TSTP Solution File: NLP077-1 by Paradox---4.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Paradox---4.0
% Problem  : NLP077-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:short
% Command  : paradox --no-progress --time %d --tstp --model %s

% Computer : n015.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 04:05:48 EDT 2022

% Result   : Satisfiable 43.78s 43.92s
% Output   : FiniteModel 42.88s
% Verified : 
% SZS Type : ERROR: Analysing output (MakeTreeStats ran out of CPU time)

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

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

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

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

fof(agent,fi_predicates,
    ! [X1,X2,X3] :
      ( agent(X1,X2,X3)
    <=> $false ) ).

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

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

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

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

fof(event,fi_predicates,
    ( ( event("1","1")
    <=> $false )
    & ( event("1","2")
    <=> $true )
    & ( event("1","3")
    <=> $true )
    & ( event("1","4")
    <=> $true )
    & ( event("1","5")
    <=> $true )
    & ( event("1","6")
    <=> $true )
    & ( event("1","7")
    <=> $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) ) ) ).

fof(eventuality,fi_predicates,
    ( ( eventuality("1","1")
    <=> $false )
    & ( eventuality("1","2")
    <=> $true )
    & ( eventuality("1","3")
    <=> $true )
    & ( eventuality("1","4")
    <=> $true )
    & ( eventuality("1","5")
    <=> $true )
    & ( eventuality("1","6")
    <=> $true )
    & ( eventuality("1","7")
    <=> $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) ) ) ).

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

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

fof(from_loc,fi_predicates,
    ! [X1,X2,X3] :
      ( from_loc(X1,X2,X3)
    <=> $true ) ).

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 )
    & ! [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) ) ) ).

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

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

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

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

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

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

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

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","2","1")
    <=> $true )
    & ( 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","3","1")
    <=> $true )
    & ( 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","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","5","1")
    <=> $true )
    & ( 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","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","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 )
    & ! [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) ) ) ).

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 )
    & ! [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) ) ) ).

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

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

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

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

fof(of,fi_predicates,
    ! [X1,X2,X3] :
      ( of(X1,X2,X3)
    <=> $false ) ).

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

fof(patient,fi_predicates,
    ! [X1,X2,X3] :
      ( patient(X1,X2,X3)
    <=> $false ) ).

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

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 )
    & ! [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) ) ) ).

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

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

fof(skc2,fi_functors,
    skc2 = "1" ).

fof(skc3,fi_functors,
    skc3 = "1" ).

fof(skf10,fi_functors,
    ( skf10("1","1") = "3"
    & skf10("2","1") = "1"
    & skf10("3","1") = "2"
    & skf10("4","1") = "3"
    & skf10("5","1") = "4"
    & skf10("6","1") = "5"
    & skf10("7","1") = "6"
    & ! [X1] : skf10(X1,"2") = skf10(X1,"1")
    & ! [X1] : skf10(X1,"3") = skf10(X1,"2")
    & ! [X1] : skf10(X1,"4") = skf10(X1,"3")
    & ! [X1] : skf10(X1,"5") = skf10(X1,"4")
    & ! [X1] : skf10(X1,"6") = skf10(X1,"5")
    & ! [X1] : skf10(X1,"7") = skf10(X1,"6") ) ).

fof(skf12,fi_functors,
    ( skf12("1","1") = "4"
    & skf12("2","1") = "1"
    & skf12("3","1") = "2"
    & skf12("4","1") = "3"
    & skf12("5","1") = "4"
    & skf12("6","1") = "5"
    & skf12("7","1") = "6"
    & ! [X1] : skf12(X1,"2") = skf12(X1,"1")
    & ! [X1] : skf12(X1,"3") = skf12(X1,"2")
    & ! [X1] : skf12(X1,"4") = skf12(X1,"3")
    & ! [X1] : skf12(X1,"5") = skf12(X1,"4")
    & ! [X1] : skf12(X1,"6") = skf12(X1,"5")
    & ! [X1] : skf12(X1,"7") = skf12(X1,"6") ) ).

fof(skf14,fi_functors,
    ( skf14("1","1") = "6"
    & skf14("2","1") = "1"
    & skf14("3","1") = "2"
    & skf14("4","1") = "3"
    & skf14("5","1") = "4"
    & skf14("6","1") = "5"
    & skf14("7","1") = "6"
    & ! [X1] : skf14(X1,"2") = skf14(X1,"1")
    & ! [X1] : skf14(X1,"3") = skf14(X1,"2")
    & ! [X1] : skf14(X1,"4") = skf14(X1,"3")
    & ! [X1] : skf14(X1,"5") = skf14(X1,"4")
    & ! [X1] : skf14(X1,"6") = skf14(X1,"5")
    & ! [X1] : skf14(X1,"7") = skf14(X1,"6") ) ).

fof(skf16,fi_functors,
    ( skf16("1","1") = "7"
    & skf16("2","1") = "1"
    & skf16("3","1") = "2"
    & skf16("4","1") = "3"
    & skf16("5","1") = "4"
    & skf16("6","1") = "5"
    & skf16("7","1") = "6"
    & ! [X1] : skf16(X1,"2") = skf16(X1,"1")
    & ! [X1] : skf16(X1,"3") = skf16(X1,"2")
    & ! [X1] : skf16(X1,"4") = skf16(X1,"3")
    & ! [X1] : skf16(X1,"5") = skf16(X1,"4")
    & ! [X1] : skf16(X1,"6") = skf16(X1,"5")
    & ! [X1] : skf16(X1,"7") = skf16(X1,"6") ) ).

fof(skf18,fi_functors,
    ( skf18("1","1") = "2"
    & skf18("2","1") = "1"
    & skf18("3","1") = "2"
    & skf18("4","1") = "3"
    & skf18("5","1") = "4"
    & skf18("6","1") = "5"
    & skf18("7","1") = "6"
    & ! [X1] : skf18(X1,"2") = skf18(X1,"1")
    & ! [X1] : skf18(X1,"3") = skf18(X1,"2")
    & ! [X1] : skf18(X1,"4") = skf18(X1,"3")
    & ! [X1] : skf18(X1,"5") = skf18(X1,"4")
    & ! [X1] : skf18(X1,"6") = skf18(X1,"5")
    & ! [X1] : skf18(X1,"7") = skf18(X1,"6") ) ).

fof(skf20,fi_functors,
    ( skf20("1","1") = "5"
    & skf20("2","1") = "1"
    & skf20("3","1") = "2"
    & skf20("4","1") = "3"
    & skf20("5","1") = "4"
    & skf20("6","1") = "5"
    & skf20("7","1") = "6"
    & ! [X1] : skf20(X1,"2") = skf20(X1,"1")
    & ! [X1] : skf20(X1,"3") = skf20(X1,"2")
    & ! [X1] : skf20(X1,"4") = skf20(X1,"3")
    & ! [X1] : skf20(X1,"5") = skf20(X1,"4")
    & ! [X1] : skf20(X1,"6") = skf20(X1,"5")
    & ! [X1] : skf20(X1,"7") = skf20(X1,"6") ) ).

fof(skf21,fi_functors,
    ( skf21("1","1","1","1","1","1","1","1") = "1"
    & skf21("1","1","1","1","1","1","2","1") = "2"
    & skf21("1","1","1","1","1","1","3","1") = "2"
    & skf21("1","1","1","1","1","1","4","1") = "3"
    & skf21("1","1","1","1","1","1","5","1") = "4"
    & skf21("1","1","1","1","1","1","6","1") = "5"
    & skf21("1","1","1","1","1","1","7","1") = "6"
    & skf21("1","1","1","1","1","2","1","1") = "1"
    & skf21("1","1","1","1","1","2","2","1") = "1"
    & skf21("1","1","1","1","1","2","3","1") = "2"
    & skf21("1","1","1","1","1","2","4","1") = "3"
    & skf21("1","1","1","1","1","2","5","1") = "4"
    & skf21("1","1","1","1","1","2","6","1") = "5"
    & skf21("1","1","1","1","1","2","7","1") = "6"
    & skf21("1","1","1","1","1","3","1","1") = "2"
    & skf21("1","1","1","1","1","3","2","1") = "2"
    & skf21("1","1","1","1","1","3","3","1") = "2"
    & skf21("1","1","1","1","1","3","4","1") = "3"
    & skf21("1","1","1","1","1","3","5","1") = "4"
    & skf21("1","1","1","1","1","3","6","1") = "5"
    & skf21("1","1","1","1","1","3","7","1") = "6"
    & skf21("1","1","1","1","1","4","1","1") = "3"
    & skf21("1","1","1","1","1","4","2","1") = "3"
    & skf21("1","1","1","1","1","4","3","1") = "3"
    & skf21("1","1","1","1","1","4","4","1") = "3"
    & skf21("1","1","1","1","1","4","5","1") = "4"
    & skf21("1","1","1","1","1","4","6","1") = "5"
    & skf21("1","1","1","1","1","4","7","1") = "6"
    & skf21("1","1","1","1","1","5","1","1") = "4"
    & skf21("1","1","1","1","1","5","2","1") = "4"
    & skf21("1","1","1","1","1","5","3","1") = "4"
    & skf21("1","1","1","1","1","5","4","1") = "4"
    & skf21("1","1","1","1","1","5","5","1") = "4"
    & skf21("1","1","1","1","1","5","6","1") = "5"
    & skf21("1","1","1","1","1","5","7","1") = "6"
    & skf21("1","1","1","1","1","6","1","1") = "5"
    & skf21("1","1","1","1","1","6","2","1") = "5"
    & skf21("1","1","1","1","1","6","3","1") = "5"
    & skf21("1","1","1","1","1","6","4","1") = "5"
    & skf21("1","1","1","1","1","6","5","1") = "5"
    & skf21("1","1","1","1","1","6","6","1") = "5"
    & skf21("1","1","1","1","1","6","7","1") = "6"
    & skf21("1","1","1","1","1","7","1","1") = "6"
    & skf21("1","1","1","1","1","7","2","1") = "6"
    & skf21("1","1","1","1","1","7","3","1") = "6"
    & skf21("1","1","1","1","1","7","4","1") = "6"
    & skf21("1","1","1","1","1","7","5","1") = "6"
    & skf21("1","1","1","1","1","7","6","1") = "6"
    & skf21("1","1","1","1","1","7","7","1") = "6"
    & skf21("1","1","1","1","2","1","1","1") = "1"
    & skf21("1","1","1","1","2","1","2","1") = "1"
    & skf21("1","1","1","1","2","1","3","1") = "2"
    & skf21("1","1","1","1","2","1","4","1") = "3"
    & skf21("1","1","1","1","2","1","5","1") = "4"
    & skf21("1","1","1","1","2","1","6","1") = "5"
    & skf21("1","1","1","1","2","1","7","1") = "6"
    & skf21("1","1","1","1","2","2","1","1") = "2"
    & skf21("1","1","1","1","2","2","2","1") = "1"
    & skf21("1","1","1","1","2","2","3","1") = "2"
    & skf21("1","1","1","1","2","2","4","1") = "3"
    & skf21("1","1","1","1","2","2","5","1") = "4"
    & skf21("1","1","1","1","2","2","6","1") = "5"
    & skf21("1","1","1","1","2","2","7","1") = "6"
    & skf21("1","1","1","1","2","3","1","1") = "2"
    & skf21("1","1","1","1","2","3","2","1") = "2"
    & skf21("1","1","1","1","2","3","3","1") = "2"
    & skf21("1","1","1","1","2","3","4","1") = "3"
    & skf21("1","1","1","1","2","3","5","1") = "4"
    & skf21("1","1","1","1","2","3","6","1") = "5"
    & skf21("1","1","1","1","2","3","7","1") = "6"
    & skf21("1","1","1","1","2","4","1","1") = "3"
    & skf21("1","1","1","1","2","4","2","1") = "3"
    & skf21("1","1","1","1","2","4","3","1") = "3"
    & skf21("1","1","1","1","2","4","4","1") = "3"
    & skf21("1","1","1","1","2","4","5","1") = "4"
    & skf21("1","1","1","1","2","4","6","1") = "5"
    & skf21("1","1","1","1","2","4","7","1") = "6"
    & skf21("1","1","1","1","2","5","1","1") = "4"
    & skf21("1","1","1","1","2","5","2","1") = "4"
    & skf21("1","1","1","1","2","5","3","1") = "4"
    & skf21("1","1","1","1","2","5","4","1") = "4"
    & skf21("1","1","1","1","2","5","5","1") = "4"
    & skf21("1","1","1","1","2","5","6","1") = "5"
    & skf21("1","1","1","1","2","5","7","1") = "6"
    & skf21("1","1","1","1","2","6","1","1") = "5"
    & skf21("1","1","1","1","2","6","2","1") = "5"
    & skf21("1","1","1","1","2","6","3","1") = "5"
    & skf21("1","1","1","1","2","6","4","1") = "5"
    & skf21("1","1","1","1","2","6","5","1") = "5"
    & skf21("1","1","1","1","2","6","6","1") = "5"
    & skf21("1","1","1","1","2","6","7","1") = "6"
    & skf21("1","1","1","1","2","7","1","1") = "6"
    & skf21("1","1","1","1","2","7","2","1") = "6"
    & skf21("1","1","1","1","2","7","3","1") = "6"
    & skf21("1","1","1","1","2","7","4","1") = "6"
    & skf21("1","1","1","1","2","7","5","1") = "6"
    & skf21("1","1","1","1","2","7","6","1") = "6"
    & skf21("1","1","1","1","2","7","7","1") = "6"
    & skf21("1","1","1","1","3","1","1","1") = "2"
    & skf21("1","1","1","1","3","1","2","1") = "2"
    & skf21("1","1","1","1","3","1","3","1") = "2"
    & skf21("1","1","1","1","3","1","4","1") = "3"
    & skf21("1","1","1","1","3","1","5","1") = "4"
    & skf21("1","1","1","1","3","1","6","1") = "5"
    & skf21("1","1","1","1","3","1","7","1") = "6"
    & skf21("1","1","1","1","3","2","1","1") = "2"
    & skf21("1","1","1","1","3","2","2","1") = "2"
    & skf21("1","1","1","1","3","2","3","1") = "2"
    & skf21("1","1","1","1","3","2","4","1") = "3"
    & skf21("1","1","1","1","3","2","5","1") = "4"
    & skf21("1","1","1","1","3","2","6","1") = "5"
    & skf21("1","1","1","1","3","2","7","1") = "6"
    & skf21("1","1","1","1","3","3","1","1") = "2"
    & skf21("1","1","1","1","3","3","2","1") = "2"
    & skf21("1","1","1","1","3","3","3","1") = "2"
    & skf21("1","1","1","1","3","3","4","1") = "3"
    & skf21("1","1","1","1","3","3","5","1") = "4"
    & skf21("1","1","1","1","3","3","6","1") = "5"
    & skf21("1","1","1","1","3","3","7","1") = "6"
    & skf21("1","1","1","1","3","4","1","1") = "3"
    & skf21("1","1","1","1","3","4","2","1") = "3"
    & skf21("1","1","1","1","3","4","3","1") = "3"
    & skf21("1","1","1","1","3","4","4","1") = "3"
    & skf21("1","1","1","1","3","4","5","1") = "4"
    & skf21("1","1","1","1","3","4","6","1") = "5"
    & skf21("1","1","1","1","3","4","7","1") = "6"
    & skf21("1","1","1","1","3","5","1","1") = "4"
    & skf21("1","1","1","1","3","5","2","1") = "4"
    & skf21("1","1","1","1","3","5","3","1") = "4"
    & skf21("1","1","1","1","3","5","4","1") = "4"
    & skf21("1","1","1","1","3","5","5","1") = "4"
    & skf21("1","1","1","1","3","5","6","1") = "5"
    & skf21("1","1","1","1","3","5","7","1") = "6"
    & skf21("1","1","1","1","3","6","1","1") = "5"
    & skf21("1","1","1","1","3","6","2","1") = "5"
    & skf21("1","1","1","1","3","6","3","1") = "5"
    & skf21("1","1","1","1","3","6","4","1") = "5"
    & skf21("1","1","1","1","3","6","5","1") = "5"
    & skf21("1","1","1","1","3","6","6","1") = "5"
    & skf21("1","1","1","1","3","6","7","1") = "6"
    & skf21("1","1","1","1","3","7","1","1") = "6"
    & skf21("1","1","1","1","3","7","2","1") = "6"
    & skf21("1","1","1","1","3","7","3","1") = "6"
    & skf21("1","1","1","1","3","7","4","1") = "6"
    & skf21("1","1","1","1","3","7","5","1") = "6"
    & skf21("1","1","1","1","3","7","6","1") = "6"
    & skf21("1","1","1","1","3","7","7","1") = "6"
    & skf21("1","1","1","1","4","1","1","1") = "3"
    & skf21("1","1","1","1","4","1","2","1") = "3"
    & skf21("1","1","1","1","4","1","3","1") = "3"
    & skf21("1","1","1","1","4","1","4","1") = "3"
    & skf21("1","1","1","1","4","1","5","1") = "4"
    & skf21("1","1","1","1","4","1","6","1") = "5"
    & skf21("1","1","1","1","4","1","7","1") = "6"
    & skf21("1","1","1","1","4","2","1","1") = "3"
    & skf21("1","1","1","1","4","2","2","1") = "3"
    & skf21("1","1","1","1","4","2","3","1") = "3"
    & skf21("1","1","1","1","4","2","4","1") = "3"
    & skf21("1","1","1","1","4","2","5","1") = "4"
    & skf21("1","1","1","1","4","2","6","1") = "5"
    & skf21("1","1","1","1","4","2","7","1") = "6"
    & skf21("1","1","1","1","4","3","1","1") = "3"
    & skf21("1","1","1","1","4","3","2","1") = "3"
    & skf21("1","1","1","1","4","3","3","1") = "3"
    & skf21("1","1","1","1","4","3","4","1") = "3"
    & skf21("1","1","1","1","4","3","5","1") = "4"
    & skf21("1","1","1","1","4","3","6","1") = "5"
    & skf21("1","1","1","1","4","3","7","1") = "6"
    & skf21("1","1","1","1","4","4","1","1") = "3"
    & skf21("1","1","1","1","4","4","2","1") = "3"
    & skf21("1","1","1","1","4","4","3","1") = "3"
    & skf21("1","1","1","1","4","4","4","1") = "3"
    & skf21("1","1","1","1","4","4","5","1") = "4"
    & skf21("1","1","1","1","4","4","6","1") = "5"
    & skf21("1","1","1","1","4","4","7","1") = "6"
    & skf21("1","1","1","1","4","5","1","1") = "4"
    & skf21("1","1","1","1","4","5","2","1") = "4"
    & skf21("1","1","1","1","4","5","3","1") = "4"
    & skf21("1","1","1","1","4","5","4","1") = "4"
    & skf21("1","1","1","1","4","5","5","1") = "4"
    & skf21("1","1","1","1","4","5","6","1") = "5"
    & skf21("1","1","1","1","4","5","7","1") = "6"
    & skf21("1","1","1","1","4","6","1","1") = "5"
    & skf21("1","1","1","1","4","6","2","1") = "5"
    & skf21("1","1","1","1","4","6","3","1") = "5"
    & skf21("1","1","1","1","4","6","4","1") = "5"
    & skf21("1","1","1","1","4","6","5","1") = "5"
    & skf21("1","1","1","1","4","6","6","1") = "5"
    & skf21("1","1","1","1","4","6","7","1") = "6"
    & skf21("1","1","1","1","4","7","1","1") = "6"
    & skf21("1","1","1","1","4","7","2","1") = "6"
    & skf21("1","1","1","1","4","7","3","1") = "6"
    & skf21("1","1","1","1","4","7","4","1") = "6"
    & skf21("1","1","1","1","4","7","5","1") = "6"
    & skf21("1","1","1","1","4","7","6","1") = "6"
    & skf21("1","1","1","1","4","7","7","1") = "6"
    & skf21("1","1","1","1","5","1","1","1") = "4"
    & skf21("1","1","1","1","5","1","2","1") = "4"
    & skf21("1","1","1","1","5","1","3","1") = "4"
    & skf21("1","1","1","1","5","1","4","1") = "4"
    & skf21("1","1","1","1","5","1","5","1") = "4"
    & skf21("1","1","1","1","5","1","6","1") = "5"
    & skf21("1","1","1","1","5","1","7","1") = "6"
    & skf21("1","1","1","1","5","2","1","1") = "4"
    & skf21("1","1","1","1","5","2","2","1") = "4"
    & skf21("1","1","1","1","5","2","3","1") = "4"
    & skf21("1","1","1","1","5","2","4","1") = "4"
    & skf21("1","1","1","1","5","2","5","1") = "4"
    & skf21("1","1","1","1","5","2","6","1") = "5"
    & skf21("1","1","1","1","5","2","7","1") = "6"
    & skf21("1","1","1","1","5","3","1","1") = "4"
    & skf21("1","1","1","1","5","3","2","1") = "4"
    & skf21("1","1","1","1","5","3","3","1") = "4"
    & skf21("1","1","1","1","5","3","4","1") = "4"
    & skf21("1","1","1","1","5","3","5","1") = "4"
    & skf21("1","1","1","1","5","3","6","1") = "5"
    & skf21("1","1","1","1","5","3","7","1") = "6"
    & skf21("1","1","1","1","5","4","1","1") = "4"
    & skf21("1","1","1","1","5","4","2","1") = "4"
    & skf21("1","1","1","1","5","4","3","1") = "4"
    & skf21("1","1","1","1","5","4","4","1") = "4"
    & skf21("1","1","1","1","5","4","5","1") = "4"
    & skf21("1","1","1","1","5","4","6","1") = "5"
    & skf21("1","1","1","1","5","4","7","1") = "6"
    & skf21("1","1","1","1","5","5","1","1") = "4"
    & skf21("1","1","1","1","5","5","2","1") = "4"
    & skf21("1","1","1","1","5","5","3","1") = "4"
    & skf21("1","1","1","1","5","5","4","1") = "4"
    & skf21("1","1","1","1","5","5","5","1") = "4"
    & skf21("1","1","1","1","5","5","6","1") = "5"
    & skf21("1","1","1","1","5","5","7","1") = "6"
    & skf21("1","1","1","1","5","6","1","1") = "5"
    & skf21("1","1","1","1","5","6","2","1") = "5"
    & skf21("1","1","1","1","5","6","3","1") = "5"
    & skf21("1","1","1","1","5","6","4","1") = "5"
    & skf21("1","1","1","1","5","6","5","1") = "5"
    & skf21("1","1","1","1","5","6","6","1") = "5"
    & skf21("1","1","1","1","5","6","7","1") = "6"
    & skf21("1","1","1","1","5","7","1","1") = "6"
    & skf21("1","1","1","1","5","7","2","1") = "6"
    & skf21("1","1","1","1","5","7","3","1") = "6"
    & skf21("1","1","1","1","5","7","4","1") = "6"
    & skf21("1","1","1","1","5","7","5","1") = "6"
    & skf21("1","1","1","1","5","7","6","1") = "6"
    & skf21("1","1","1","1","5","7","7","1") = "6"
    & skf21("1","1","1","1","6","1","1","1") = "5"
    & skf21("1","1","1","1","6","1","2","1") = "5"
    & skf21("1","1","1","1","6","1","3","1") = "5"
    & skf21("1","1","1","1","6","1","4","1") = "5"
    & skf21("1","1","1","1","6","1","5","1") = "5"
    & skf21("1","1","1","1","6","1","6","1") = "5"
    & skf21("1","1","1","1","6","1","7","1") = "6"
    & skf21("1","1","1","1","6","2","1","1") = "5"
    & skf21("1","1","1","1","6","2","2","1") = "5"
    & skf21("1","1","1","1","6","2","3","1") = "5"
    & skf21("1","1","1","1","6","2","4","1") = "5"
    & skf21("1","1","1","1","6","2","5","1") = "5"
    & skf21("1","1","1","1","6","2","6","1") = "5"
    & skf21("1","1","1","1","6","2","7","1") = "6"
    & skf21("1","1","1","1","6","3","1","1") = "5"
    & skf21("1","1","1","1","6","3","2","1") = "5"
    & skf21("1","1","1","1","6","3","3","1") = "5"
    & skf21("1","1","1","1","6","3","4","1") = "5"
    & skf21("1","1","1","1","6","3","5","1") = "5"
    & skf21("1","1","1","1","6","3","6","1") = "5"
    & skf21("1","1","1","1","6","3","7","1") = "6"
    & skf21("1","1","1","1","6","4","1","1") = "5"
    & skf21("1","1","1","1","6","4","2","1") = "5"
    & skf21("1","1","1","1","6","4","3","1") = "5"
    & skf21("1","1","1","1","6","4","4","1") = "5"
    & skf21("1","1","1","1","6","4","5","1") = "5"
    & skf21("1","1","1","1","6","4","6","1") = "5"
    & skf21("1","1","1","1","6","4","7","1") = "6"
    & skf21("1","1","1","1","6","5","1","1") = "5"
    & skf21("1","1","1","1","6","5","2","1") = "5"
    & skf21("1","1","1","1","6","5","3","1") = "5"
    & skf21("1","1","1","1","6","5","4","1") = "5"
    & skf21("1","1","1","1","6","5","5","1") = "5"
    & skf21("1","1","1","1","6","5","6","1") = "5"
    & skf21("1","1","1","1","6","5","7","1") = "6"
    & skf21("1","1","1","1","6","6","1","1") = "5"
    & skf21("1","1","1","1","6","6","2","1") = "5"
    & skf21("1","1","1","1","6","6","3","1") = "5"
    & skf21("1","1","1","1","6","6","4","1") = "5"
    & skf21("1","1","1","1","6","6","5","1") = "5"
    & skf21("1","1","1","1","6","6","6","1") = "5"
    & skf21("1","1","1","1","6","6","7","1") = "6"
    & skf21("1","1","1","1","6","7","1","1") = "6"
    & skf21("1","1","1","1","6","7","2","1") = "6"
    & skf21("1","1","1","1","6","7","3","1") = "6"
    & skf21("1","1","1","1","6","7","4","1") = "6"
    & skf21("1","1","1","1","6","7","5","1") = "6"
    & skf21("1","1","1","1","6","7","6","1") = "6"
    & skf21("1","1","1","1","6","7","7","1") = "6"
    & skf21("1","1","1","1","7","1","1","1") = "6"
    & skf21("1","1","1","1","7","1","2","1") = "6"
    & skf21("1","1","1","1","7","1","3","1") = "6"
    & skf21("1","1","1","1","7","1","4","1") = "6"
    & skf21("1","1","1","1","7","1","5","1") = "6"
    & skf21("1","1","1","1","7","1","6","1") = "6"
    & skf21("1","1","1","1","7","1","7","1") = "6"
    & skf21("1","1","1","1","7","2","1","1") = "6"
    & skf21("1","1","1","1","7","2","2","1") = "6"
    & skf21("1","1","1","1","7","2","3","1") = "6"
    & skf21("1","1","1","1","7","2","4","1") = "6"
    & skf21("1","1","1","1","7","2","5","1") = "6"
    & skf21("1","1","1","1","7","2","6","1") = "6"
    & skf21("1","1","1","1","7","2","7","1") = "6"
    & skf21("1","1","1","1","7","3","1","1") = "6"
    & skf21("1","1","1","1","7","3","2","1") = "6"
    & skf21("1","1","1","1","7","3","3","1") = "6"
    & skf21("1","1","1","1","7","3","4","1") = "6"
    & skf21("1","1","1","1","7","3","5","1") = "6"
    & skf21("1","1","1","1","7","3","6","1") = "6"
    & skf21("1","1","1","1","7","3","7","1") = "6"
    & skf21("1","1","1","1","7","4","1","1") = "6"
    & skf21("1","1","1","1","7","4","2","1") = "6"
    & skf21("1","1","1","1","7","4","3","1") = "6"
    & skf21("1","1","1","1","7","4","4","1") = "6"
    & skf21("1","1","1","1","7","4","5","1") = "6"
    & skf21("1","1","1","1","7","4","6","1") = "6"
    & skf21("1","1","1","1","7","4","7","1") = "6"
    & skf21("1","1","1","1","7","5","1","1") = "6"
    & skf21("1","1","1","1","7","5","2","1") = "6"
    & skf21("1","1","1","1","7","5","3","1") = "6"
    & skf21("1","1","1","1","7","5","4","1") = "6"
    & skf21("1","1","1","1","7","5","5","1") = "6"
    & skf21("1","1","1","1","7","5","6","1") = "6"
    & skf21("1","1","1","1","7","5","7","1") = "6"
    & skf21("1","1","1","1","7","6","1","1") = "6"
    & skf21("1","1","1","1","7","6","2","1") = "6"
    & skf21("1","1","1","1","7","6","3","1") = "6"
    & skf21("1","1","1","1","7","6","4","1") = "6"
    & skf21("1","1","1","1","7","6","5","1") = "6"
    & skf21("1","1","1","1","7","6","6","1") = "6"
    & skf21("1","1","1","1","7","6","7","1") = "6"
    & skf21("1","1","1","1","7","7","1","1") = "6"
    & skf21("1","1","1","1","7","7","2","1") = "6"
    & skf21("1","1","1","1","7","7","3","1") = "6"
    & skf21("1","1","1","1","7","7","4","1") = "6"
    & skf21("1","1","1","1","7","7","5","1") = "6"
    & skf21("1","1","1","1","7","7","6","1") = "6"
    & skf21("1","1","1","1","7","7","7","1") = "6"
    & skf21("1","1","1","2","1","1","1","1") = "1"
    & skf21("1","1","1","2","1","1","2","1") = "1"
    & skf21("1","1","1","2","1","1","3","1") = "2"
    & skf21("1","1","1","2","1","1","4","1") = "3"
    & skf21("1","1","1","2","1","1","5","1") = "4"
    & skf21("1","1","1","2","1","1","6","1") = "5"
    & skf21("1","1","1","2","1","1","7","1") = "6"
    & skf21("1","1","1","2","1","2","1","1") = "1"
    & skf21("1","1","1","2","1","2","2","1") = "2"
    & skf21("1","1","1","2","1","2","3","1") = "2"
    & skf21("1","1","1","2","1","2","4","1") = "3"
    & skf21("1","1","1","2","1","2","5","1") = "4"
    & skf21("1","1","1","2","1","2","6","1") = "5"
    & skf21("1","1","1","2","1","2","7","1") = "6"
    & skf21("1","1","1","2","1","3","1","1") = "2"
    & skf21("1","1","1","2","1","3","2","1") = "2"
    & skf21("1","1","1","2","1","3","3","1") = "2"
    & skf21("1","1","1","2","1","3","4","1") = "3"
    & skf21("1","1","1","2","1","3","5","1") = "4"
    & skf21("1","1","1","2","1","3","6","1") = "5"
    & skf21("1","1","1","2","1","3","7","1") = "6"
    & skf21("1","1","1","2","1","4","1","1") = "3"
    & skf21("1","1","1","2","1","4","2","1") = "3"
    & skf21("1","1","1","2","1","4","3","1") = "3"
    & skf21("1","1","1","2","1","4","4","1") = "3"
    & skf21("1","1","1","2","1","4","5","1") = "4"
    & skf21("1","1","1","2","1","4","6","1") = "5"
    & skf21("1","1","1","2","1","4","7","1") = "6"
    & skf21("1","1","1","2","1","5","1","1") = "4"
    & skf21("1","1","1","2","1","5","2","1") = "4"
    & skf21("1","1","1","2","1","5","3","1") = "4"
    & skf21("1","1","1","2","1","5","4","1") = "4"
    & skf21("1","1","1","2","1","5","5","1") = "4"
    & skf21("1","1","1","2","1","5","6","1") = "5"
    & skf21("1","1","1","2","1","5","7","1") = "6"
    & skf21("1","1","1","2","1","6","1","1") = "5"
    & skf21("1","1","1","2","1","6","2","1") = "5"
    & skf21("1","1","1","2","1","6","3","1") = "5"
    & skf21("1","1","1","2","1","6","4","1") = "5"
    & skf21("1","1","1","2","1","6","5","1") = "5"
    & skf21("1","1","1","2","1","6","6","1") = "5"
    & skf21("1","1","1","2","1","6","7","1") = "6"
    & skf21("1","1","1","2","1","7","1","1") = "6"
    & skf21("1","1","1","2","1","7","2","1") = "6"
    & skf21("1","1","1","2","1","7","3","1") = "6"
    & skf21("1","1","1","2","1","7","4","1") = "6"
    & skf21("1","1","1","2","1","7","5","1") = "6"
    & skf21("1","1","1","2","1","7","6","1") = "6"
    & skf21("1","1","1","2","1","7","7","1") = "6"
    & skf21("1","1","1","2","2","1","1","1") = "2"
    & skf21("1","1","1","2","2","1","2","1") = "1"
    & skf21("1","1","1","2","2","1","3","1") = "2"
    & skf21("1","1","1","2","2","1","4","1") = "3"
    & skf21("1","1","1","2","2","1","5","1") = "4"
    & skf21("1","1","1","2","2","1","6","1") = "5"
    & skf21("1","1","1","2","2","1","7","1") = "6"
    & skf21("1","1","1","2","2","2","1","1") = "1"
    & skf21("1","1","1","2","2","2","2","1") = "1"
    & skf21("1","1","1","2","2","2","3","1") = "2"
    & skf21("1","1","1","2","2","2","4","1") = "3"
    & skf21("1","1","1","2","2","2","5","1") = "4"
    & skf21("1","1","1","2","2","2","6","1") = "5"
    & skf21("1","1","1","2","2","2","7","1") = "6"
    & skf21("1","1","1","2","2","3","1","1") = "2"
    & skf21("1","1","1","2","2","3","2","1") = "2"
    & skf21("1","1","1","2","2","3","3","1") = "2"
    & skf21("1","1","1","2","2","3","4","1") = "3"
    & skf21("1","1","1","2","2","3","5","1") = "4"
    & skf21("1","1","1","2","2","3","6","1") = "5"
    & skf21("1","1","1","2","2","3","7","1") = "6"
    & skf21("1","1","1","2","2","4","1","1") = "3"
    & skf21("1","1","1","2","2","4","2","1") = "3"
    & skf21("1","1","1","2","2","4","3","1") = "3"
    & skf21("1","1","1","2","2","4","4","1") = "3"
    & skf21("1","1","1","2","2","4","5","1") = "4"
    & skf21("1","1","1","2","2","4","6","1") = "5"
    & skf21("1","1","1","2","2","4","7","1") = "6"
    & skf21("1","1","1","2","2","5","1","1") = "4"
    & skf21("1","1","1","2","2","5","2","1") = "4"
    & skf21("1","1","1","2","2","5","3","1") = "4"
    & skf21("1","1","1","2","2","5","4","1") = "4"
    & skf21("1","1","1","2","2","5","5","1") = "4"
    & skf21("1","1","1","2","2","5","6","1") = "5"
    & skf21("1","1","1","2","2","5","7","1") = "6"
    & skf21("1","1","1","2","2","6","1","1") = "5"
    & skf21("1","1","1","2","2","6","2","1") = "5"
    & skf21("1","1","1","2","2","6","3","1") = "5"
    & skf21("1","1","1","2","2","6","4","1") = "5"
    & skf21("1","1","1","2","2","6","5","1") = "5"
    & skf21("1","1","1","2","2","6","6","1") = "5"
    & skf21("1","1","1","2","2","6","7","1") = "6"
    & skf21("1","1","1","2","2","7","1","1") = "6"
    & skf21("1","1","1","2","2","7","2","1") = "6"
    & skf21("1","1","1","2","2","7","3","1") = "6"
    & skf21("1","1","1","2","2","7","4","1") = "6"
    & skf21("1","1","1","2","2","7","5","1") = "6"
    & skf21("1","1","1","2","2","7","6","1") = "6"
    & skf21("1","1","1","2","2","7","7","1") = "6"
    & skf21("1","1","1","2","3","1","1","1") = "2"
    & skf21("1","1","1","2","3","1","2","1") = "2"
    & skf21("1","1","1","2","3","1","3","1") = "2"
    & skf21("1","1","1","2","3","1","4","1") = "3"
    & skf21("1","1","1","2","3","1","5","1") = "4"
    & skf21("1","1","1","2","3","1","6","1") = "5"
    & skf21("1","1","1","2","3","1","7","1") = "6"
    & skf21("1","1","1","2","3","2","1","1") = "2"
    & skf21("1","1","1","2","3","2","2","1") = "2"
    & skf21("1","1","1","2","3","2","3","1") = "2"
    & skf21("1","1","1","2","3","2","4","1") = "3"
    & skf21("1","1","1","2","3","2","5","1") = "4"
    & skf21("1","1","1","2","3","2","6","1") = "5"
    & skf21("1","1","1","2","3","2","7","1") = "6"
    & skf21("1","1","1","2","3","3","1","1") = "2"
    & skf21("1","1","1","2","3","3","2","1") = "2"
    & skf21("1","1","1","2","3","3","3","1") = "2"
    & skf21("1","1","1","2","3","3","4","1") = "3"
    & skf21("1","1","1","2","3","3","5","1") = "4"
    & skf21("1","1","1","2","3","3","6","1") = "5"
    & skf21("1","1","1","2","3","3","7","1") = "6"
    & skf21("1","1","1","2","3","4","1","1") = "3"
    & skf21("1","1","1","2","3","4","2","1") = "3"
    & skf21("1","1","1","2","3","4","3","1") = "3"
    & skf21("1","1","1","2","3","4","4","1") = "3"
    & skf21("1","1","1","2","3","4","5","1") = "4"
    & skf21("1","1","1","2","3","4","6","1") = "5"
    & skf21("1","1","1","2","3","4","7","1") = "6"
    & skf21("1","1","1","2","3","5","1","1") = "4"
    & skf21("1","1","1","2","3","5","2","1") = "4"
    & skf21("1","1","1","2","3","5","3","1") = "4"
    & skf21("1","1","1","2","3","5","4","1") = "4"
    & skf21("1","1","1","2","3","5","5","1") = "4"
    & skf21("1","1","1","2","3","5","6","1") = "5"
    & skf21("1","1","1","2","3","5","7","1") = "6"
    & skf21("1","1","1","2","3","6","1","1") = "5"
    & skf21("1","1","1","2","3","6","2","1") = "5"
    & skf21("1","1","1","2","3","6","3","1") = "5"
    & skf21("1","1","1","2","3","6","4","1") = "5"
    & skf21("1","1","1","2","3","6","5","1") = "5"
    & skf21("1","1","1","2","3","6","6","1") = "5"
    & skf21("1","1","1","2","3","6","7","1") = "6"
    & skf21("1","1","1","2","3","7","1","1") = "6"
    & skf21("1","1","1","2","3","7","2","1") = "6"
    & skf21("1","1","1","2","3","7","3","1") = "6"
    & skf21("1","1","1","2","3","7","4","1") = "6"
    & skf21("1","1","1","2","3","7","5","1") = "6"
    & skf21("1","1","1","2","3","7","6","1") = "6"
    & skf21("1","1","1","2","3","7","7","1") = "6"
    & skf21("1","1","1","2","4","1","1","1") = "3"
    & skf21("1","1","1","2","4","1","2","1") = "3"
    & skf21("1","1","1","2","4","1","3","1") = "3"
    & skf21("1","1","1","2","4","1","4","1") = "3"
    & skf21("1","1","1","2","4","1","5","1") = "4"
    & skf21("1","1","1","2","4","1","6","1") = "5"
    & skf21("1","1","1","2","4","1","7","1") = "6"
    & skf21("1","1","1","2","4","2","1","1") = "3"
    & skf21("1","1","1","2","4","2","2","1") = "3"
    & skf21("1","1","1","2","4","2","3","1") = "3"
    & skf21("1","1","1","2","4","2","4","1") = "3"
    & skf21("1","1","1","2","4","2","5","1") = "4"
    & skf21("1","1","1","2","4","2","6","1") = "5"
    & skf21("1","1","1","2","4","2","7","1") = "6"
    & skf21("1","1","1","2","4","3","1","1") = "3"
    & skf21("1","1","1","2","4","3","2","1") = "3"
    & skf21("1","1","1","2","4","3","3","1") = "3"
    & skf21("1","1","1","2","4","3","4","1") = "3"
    & skf21("1","1","1","2","4","3","5","1") = "4"
    & skf21("1","1","1","2","4","3","6","1") = "5"
    & skf21("1","1","1","2","4","3","7","1") = "6"
    & skf21("1","1","1","2","4","4","1","1") = "3"
    & skf21("1","1","1","2","4","4","2","1") = "3"
    & skf21("1","1","1","2","4","4","3","1") = "3"
    & skf21("1","1","1","2","4","4","4","1") = "3"
    & skf21("1","1","1","2","4","4","5","1") = "4"
    & skf21("1","1","1","2","4","4","6","1") = "5"
    & skf21("1","1","1","2","4","4","7","1") = "6"
    & skf21("1","1","1","2","4","5","1","1") = "4"
    & skf21("1","1","1","2","4","5","2","1") = "4"
    & skf21("1","1","1","2","4","5","3","1") = "4"
    & skf21("1","1","1","2","4","5","4","1") = "4"
    & skf21("1","1","1","2","4","5","5","1") = "4"
    & skf21("1","1","1","2","4","5","6","1") = "5"
    & skf21("1","1","1","2","4","5","7","1") = "6"
    & skf21("1","1","1","2","4","6","1","1") = "5"
    & skf21("1","1","1","2","4","6","2","1") = "5"
    & skf21("1","1","1","2","4","6","3","1") = "5"
    & skf21("1","1","1","2","4","6","4","1") = "5"
    & skf21("1","1","1","2","4","6","5","1") = "5"
    & skf21("1","1","1","2","4","6","6","1") = "5"
    & skf21("1","1","1","2","4","6","7","1") = "6"
    & skf21("1","1","1","2","4","7","1","1") = "6"
    & skf21("1","1","1","2","4","7","2","1") = "6"
    & skf21("1","1","1","2","4","7","3","1") = "6"
    & skf21("1","1","1","2","4","7","4","1") = "6"
    & skf21("1","1","1","2","4","7","5","1") = "6"
    & skf21("1","1","1","2","4","7","6","1") = "6"
    & skf21("1","1","1","2","4","7","7","1") = "6"
    & skf21("1","1","1","2","5","1","1","1") = "4"
    & skf21("1","1","1","2","5","1","2","1") = "4"
    & skf21("1","1","1","2","5","1","3","1") = "4"
    & skf21("1","1","1","2","5","1","4","1") = "4"
    & skf21("1","1","1","2","5","1","5","1") = "4"
    & skf21("1","1","1","2","5","1","6","1") = "5"
    & skf21("1","1","1","2","5","1","7","1") = "6"
    & skf21("1","1","1","2","5","2","1","1") = "4"
    & skf21("1","1","1","2","5","2","2","1") = "4"
    & skf21("1","1","1","2","5","2","3","1") = "4"
    & skf21("1","1","1","2","5","2","4","1") = "4"
    & skf21("1","1","1","2","5","2","5","1") = "4"
    & skf21("1","1","1","2","5","2","6","1") = "5"
    & skf21("1","1","1","2","5","2","7","1") = "6"
    & skf21("1","1","1","2","5","3","1","1") = "4"
    & skf21("1","1","1","2","5","3","2","1") = "4"
    & skf21("1","1","1","2","5","3","3","1") = "4"
    & skf21("1","1","1","2","5","3","4","1") = "4"
    & skf21("1","1","1","2","5","3","5","1") = "4"
    & skf21("1","1","1","2","5","3","6","1") = "5"
    & skf21("1","1","1","2","5","3","7","1") = "6"
    & skf21("1","1","1","2","5","4","1","1") = "4"
    & skf21("1","1","1","2","5","4","2","1") = "4"
    & skf21("1","1","1","2","5","4","3","1") = "4"
    & skf21("1","1","1","2","5","4","4","1") = "4"
    & skf21("1","1","1","2","5","4","5","1") = "4"
    & skf21("1","1","1","2","5","4","6","1") = "5"
    & skf21("1","1","1","2","5","4","7","1") = "6"
    & skf21("1","1","1","2","5","5","1","1") = "4"
    & skf21("1","1","1","2","5","5","2","1") = "4"
    & skf21("1","1","1","2","5","5","3","1") = "4"
    & skf21("1","1","1","2","5","5","4","1") = "4"
    & skf21("1","1","1","2","5","5","5","1") = "4"
    & skf21("1","1","1","2","5","5","6","1") = "5"
    & skf21("1","1","1","2","5","5","7","1") = "6"
    & skf21("1","1","1","2","5","6","1","1") = "5"
    & skf21("1","1","1","2","5","6","2","1") = "5"
    & skf21("1","1","1","2","5","6","3","1") = "5"
    & skf21("1","1","1","2","5","6","4","1") = "5"
    & skf21("1","1","1","2","5","6","5","1") = "5"
    & skf21("1","1","1","2","5","6","6","1") = "5"
    & skf21("1","1","1","2","5","6","7","1") = "6"
    & skf21("1","1","1","2","5","7","1","1") = "6"
    & skf21("1","1","1","2","5","7","2","1") = "6"
    & skf21("1","1","1","2","5","7","3","1") = "6"
    & skf21("1","1","1","2","5","7","4","1") = "6"
    & skf21("1","1","1","2","5","7","5","1") = "6"
    & skf21("1","1","1","2","5","7","6","1") = "6"
    & skf21("1","1","1","2","5","7","7","1") = "6"
    & skf21("1","1","1","2","6","1","1","1") = "5"
    & skf21("1","1","1","2","6","1","2","1") = "5"
    & skf21("1","1","1","2","6","1","3","1") = "5"
    & skf21("1","1","1","2","6","1","4","1") = "5"
    & skf21("1","1","1","2","6","1","5","1") = "5"
    & skf21("1","1","1","2","6","1","6","1") = "5"
    & skf21("1","1","1","2","6","1","7","1") = "6"
    & skf21("1","1","1","2","6","2","1","1") = "5"
    & skf21("1","1","1","2","6","2","2","1") = "5"
    & skf21("1","1","1","2","6","2","3","1") = "5"
    & skf21("1","1","1","2","6","2","4","1") = "5"
    & skf21("1","1","1","2","6","2","5","1") = "5"
    & skf21("1","1","1","2","6","2","6","1") = "5"
    & skf21("1","1","1","2","6","2","7","1") = "6"
    & skf21("1","1","1","2","6","3","1","1") = "5"
    & skf21("1","1","1","2","6","3","2","1") = "5"
    & skf21("1","1","1","2","6","3","3","1") = "5"
    & skf21("1","1","1","2","6","3","4","1") = "5"
    & skf21("1","1","1","2","6","3","5","1") = "5"
    & skf21("1","1","1","2","6","3","6","1") = "5"
    & skf21("1","1","1","2","6","3","7","1") = "6"
    & skf21("1","1","1","2","6","4","1","1") = "5"
    & skf21("1","1","1","2","6","4","2","1") = "5"
    & skf21("1","1","1","2","6","4","3","1") = "5"
    & skf21("1","1","1","2","6","4","4","1") = "5"
    & skf21("1","1","1","2","6","4","5","1") = "5"
    & skf21("1","1","1","2","6","4","6","1") = "5"
    & skf21("1","1","1","2","6","4","7","1") = "6"
    & skf21("1","1","1","2","6","5","1","1") = "5"
    & skf21("1","1","1","2","6","5","2","1") = "5"
    & skf21("1","1","1","2","6","5","3","1") = "5"
    & skf21("1","1","1","2","6","5","4","1") = "5"
    & skf21("1","1","1","2","6","5","5","1") = "5"
    & skf21("1","1","1","2","6","5","6","1") = "5"
    & skf21("1","1","1","2","6","5","7","1") = "6"
    & skf21("1","1","1","2","6","6","1","1") = "5"
    & skf21("1","1","1","2","6","6","2","1") = "5"
    & skf21("1","1","1","2","6","6","3","1") = "5"
    & skf21("1","1","1","2","6","6","4","1") = "5"
    & skf21("1","1","1","2","6","6","5","1") = "5"
    & skf21("1","1","1","2","6","6","6","1") = "5"
    & skf21("1","1","1","2","6","6","7","1") = "6"
    & skf21("1","1","1","2","6","7","1","1") = "6"
    & skf21("1","1","1","2","6","7","2","1") = "6"
    & skf21("1","1","1","2","6","7","3","1") = "6"
    & skf21("1","1","1","2","6","7","4","1") = "6"
    & skf21("1","1","1","2","6","7","5","1") = "6"
    & skf21("1","1","1","2","6","7","6","1") = "6"
    & skf21("1","1","1","2","6","7","7","1") = "6"
    & skf21("1","1","1","2","7","1","1","1") = "6"
    & skf21("1","1","1","2","7","1","2","1") = "6"
    & skf21("1","1","1","2","7","1","3","1") = "6"
    & skf21("1","1","1","2","7","1","4","1") = "6"
    & skf21("1","1","1","2","7","1","5","1") = "6"
    & skf21("1","1","1","2","7","1","6","1") = "6"
    & skf21("1","1","1","2","7","1","7","1") = "6"
    & skf21("1","1","1","2","7","2","1","1") = "6"
    & skf21("1","1","1","2","7","2","2","1") = "6"
    & skf21("1","1","1","2","7","2","3","1") = "6"
    & skf21("1","1","1","2","7","2","4","1") = "6"
    & skf21("1","1","1","2","7","2","5","1") = "6"
    & skf21("1","1","1","2","7","2","6","1") = "6"
    & skf21("1","1","1","2","7","2","7","1") = "6"
    & skf21("1","1","1","2","7","3","1","1") = "6"
    & skf21("1","1","1","2","7","3","2","1") = "6"
    & skf21("1","1","1","2","7","3","3","1") = "6"
    & skf21("1","1","1","2","7","3","4","1") = "6"
    & skf21("1","1","1","2","7","3","5","1") = "6"
    & skf21("1","1","1","2","7","3","6","1") = "6"
    & skf21("1","1","1","2","7","3","7","1") = "6"
    & skf21("1","1","1","2","7","4","1","1") = "6"
    & skf21("1","1","1","2","7","4","2","1") = "6"
    & skf21("1","1","1","2","7","4","3","1") = "6"
    & skf21("1","1","1","2","7","4","4","1") = "6"
    & skf21("1","1","1","2","7","4","5","1") = "6"
    & skf21("1","1","1","2","7","4","6","1") = "6"
    & skf21("1","1","1","2","7","4","7","1") = "6"
    & skf21("1","1","1","2","7","5","1","1") = "6"
    & skf21("1","1","1","2","7","5","2","1") = "6"
    & skf21("1","1","1","2","7","5","3","1") = "6"
    & skf21("1","1","1","2","7","5","4","1") = "6"
    & skf21("1","1","1","2","7","5","5","1") = "6"
    & skf21("1","1","1","2","7","5","6","1") = "6"
    & skf21("1","1","1","2","7","5","7","1") = "6"
    & skf21("1","1","1","2","7","6","1","1") = "6"
    & skf21("1","1","1","2","7","6","2","1") = "6"
    & skf21("1","1","1","2","7","6","3","1") = "6"
    & skf21("1","1","1","2","7","6","4","1") = "6"
    & skf21("1","1","1","2","7","6","5","1") = "6"
    & skf21("1","1","1","2","7","6","6","1") = "6"
    & skf21("1","1","1","2","7","6","7","1") = "6"
    & skf21("1","1","1","2","7","7","1","1") = "6"
    & skf21("1","1","1","2","7","7","2","1") = "6"
    & skf21("1","1","1","2","7","7","3","1") = "6"
    & skf21("1","1","1","2","7","7","4","1") = "6"
    & skf21("1","1","1","2","7","7","5","1") = "6"
    & skf21("1","1","1","2","7","7","6","1") = "6"
    & skf21("1","1","1","2","7","7","7","1") = "6"
    & skf21("1","1","1","3","1","1","1","1") = "2"
    & skf21("1","1","1","3","1","1","2","1") = "2"
    & skf21("1","1","1","3","1","1","3","1") = "2"
    & skf21("1","1","1","3","1","1","4","1") = "3"
    & skf21("1","1","1","3","1","1","5","1") = "4"
    & skf21("1","1","1","3","1","1","6","1") = "5"
    & skf21("1","1","1","3","1","1","7","1") = "6"
    & skf21("1","1","1","3","1","2","1","1") = "2"
    & skf21("1","1","1","3","1","2","2","1") = "2"
    & skf21("1","1","1","3","1","2","3","1") = "2"
    & skf21("1","1","1","3","1","2","4","1") = "3"
    & skf21("1","1","1","3","1","2","5","1") = "4"
    & skf21("1","1","1","3","1","2","6","1") = "5"
    & skf21("1","1","1","3","1","2","7","1") = "6"
    & skf21("1","1","1","3","1","3","1","1") = "2"
    & skf21("1","1","1","3","1","3","2","1") = "2"
    & skf21("1","1","1","3","1","3","3","1") = "2"
    & skf21("1","1","1","3","1","3","4","1") = "3"
    & skf21("1","1","1","3","1","3","5","1") = "4"
    & skf21("1","1","1","3","1","3","6","1") = "5"
    & skf21("1","1","1","3","1","3","7","1") = "6"
    & skf21("1","1","1","3","1","4","1","1") = "3"
    & skf21("1","1","1","3","1","4","2","1") = "3"
    & skf21("1","1","1","3","1","4","3","1") = "3"
    & skf21("1","1","1","3","1","4","4","1") = "3"
    & skf21("1","1","1","3","1","4","5","1") = "4"
    & skf21("1","1","1","3","1","4","6","1") = "5"
    & skf21("1","1","1","3","1","4","7","1") = "6"
    & skf21("1","1","1","3","1","5","1","1") = "4"
    & skf21("1","1","1","3","1","5","2","1") = "4"
    & skf21("1","1","1","3","1","5","3","1") = "4"
    & skf21("1","1","1","3","1","5","4","1") = "4"
    & skf21("1","1","1","3","1","5","5","1") = "4"
    & skf21("1","1","1","3","1","5","6","1") = "5"
    & skf21("1","1","1","3","1","5","7","1") = "6"
    & skf21("1","1","1","3","1","6","1","1") = "5"
    & skf21("1","1","1","3","1","6","2","1") = "5"
    & skf21("1","1","1","3","1","6","3","1") = "5"
    & skf21("1","1","1","3","1","6","4","1") = "5"
    & skf21("1","1","1","3","1","6","5","1") = "5"
    & skf21("1","1","1","3","1","6","6","1") = "5"
    & skf21("1","1","1","3","1","6","7","1") = "6"
    & skf21("1","1","1","3","1","7","1","1") = "6"
    & skf21("1","1","1","3","1","7","2","1") = "6"
    & skf21("1","1","1","3","1","7","3","1") = "6"
    & skf21("1","1","1","3","1","7","4","1") = "6"
    & skf21("1","1","1","3","1","7","5","1") = "6"
    & skf21("1","1","1","3","1","7","6","1") = "6"
    & skf21("1","1","1","3","1","7","7","1") = "6"
    & skf21("1","1","1","3","2","1","1","1") = "2"
    & skf21("1","1","1","3","2","1","2","1") = "2"
    & skf21("1","1","1","3","2","1","3","1") = "2"
    & skf21("1","1","1","3","2","1","4","1") = "3"
    & skf21("1","1","1","3","2","1","5","1") = "4"
    & skf21("1","1","1","3","2","1","6","1") = "5"
    & skf21("1","1","1","3","2","1","7","1") = "6"
    & skf21("1","1","1","3","2","2","1","1") = "2"
    & skf21("1","1","1","3","2","2","2","1") = "2"
    & skf21("1","1","1","3","2","2","3","1") = "2"
    & skf21("1","1","1","3","2","2","4","1") = "3"
    & skf21("1","1","1","3","2","2","5","1") = "4"
    & skf21("1","1","1","3","2","2","6","1") = "5"
    & skf21("1","1","1","3","2","2","7","1") = "6"
    & skf21("1","1","1","3","2","3","1","1") = "2"
    & skf21("1","1","1","3","2","3","2","1") = "2"
    & skf21("1","1","1","3","2","3","3","1") = "2"
    & skf21("1","1","1","3","2","3","4","1") = "3"
    & skf21("1","1","1","3","2","3","5","1") = "4"
    & skf21("1","1","1","3","2","3","6","1") = "5"
    & skf21("1","1","1","3","2","3","7","1") = "6"
    & skf21("1","1","1","3","2","4","1","1") = "3"
    & skf21("1","1","1","3","2","4","2","1") = "3"
    & skf21("1","1","1","3","2","4","3","1") = "3"
    & skf21("1","1","1","3","2","4","4","1") = "3"
    & skf21("1","1","1","3","2","4","5","1") = "4"
    & skf21("1","1","1","3","2","4","6","1") = "5"
    & skf21("1","1","1","3","2","4","7","1") = "6"
    & skf21("1","1","1","3","2","5","1","1") = "4"
    & skf21("1","1","1","3","2","5","2","1") = "4"
    & skf21("1","1","1","3","2","5","3","1") = "4"
    & skf21("1","1","1","3","2","5","4","1") = "4"
    & skf21("1","1","1","3","2","5","5","1") = "4"
    & skf21("1","1","1","3","2","5","6","1") = "5"
    & skf21("1","1","1","3","2","5","7","1") = "6"
    & skf21("1","1","1","3","2","6","1","1") = "5"
    & skf21("1","1","1","3","2","6","2","1") = "5"
    & skf21("1","1","1","3","2","6","3","1") = "5"
    & skf21("1","1","1","3","2","6","4","1") = "5"
    & skf21("1","1","1","3","2","6","5","1") = "5"
    & skf21("1","1","1","3","2","6","6","1") = "5"
    & skf21("1","1","1","3","2","6","7","1") = "6"
    & skf21("1","1","1","3","2","7","1","1") = "6"
    & skf21("1","1","1","3","2","7","2","1") = "6"
    & skf21("1","1","1","3","2","7","3","1") = "6"
    & skf21("1","1","1","3","2","7","4","1") = "6"
    & skf21("1","1","1","3","2","7","5","1") = "6"
    & skf21("1","1","1","3","2","7","6","1") = "6"
    & skf21("1","1","1","3","2","7","7","1") = "6"
    & skf21("1","1","1","3","3","1","1","1") = "2"
    & skf21("1","1","1","3","3","1","2","1") = "2"
    & skf21("1","1","1","3","3","1","3","1") = "2"
    & skf21("1","1","1","3","3","1","4","1") = "3"
    & skf21("1","1","1","3","3","1","5","1") = "4"
    & skf21("1","1","1","3","3","1","6","1") = "5"
    & skf21("1","1","1","3","3","1","7","1") = "6"
    & skf21("1","1","1","3","3","2","1","1") = "2"
    & skf21("1","1","1","3","3","2","2","1") = "2"
    & skf21("1","1","1","3","3","2","3","1") = "2"
    & skf21("1","1","1","3","3","2","4","1") = "3"
    & skf21("1","1","1","3","3","2","5","1") = "4"
    & skf21("1","1","1","3","3","2","6","1") = "5"
    & skf21("1","1","1","3","3","2","7","1") = "6"
    & skf21("1","1","1","3","3","3","1","1") = "2"
    & skf21("1","1","1","3","3","3","2","1") = "2"
    & skf21("1","1","1","3","3","3","3","1") = "2"
    & skf21("1","1","1","3","3","3","4","1") = "3"
    & skf21("1","1","1","3","3","3","5","1") = "4"
    & skf21("1","1","1","3","3","3","6","1") = "5"
    & skf21("1","1","1","3","3","3","7","1") = "6"
    & skf21("1","1","1","3","3","4","1","1") = "3"
    & skf21("1","1","1","3","3","4","2","1") = "3"
    & skf21("1","1","1","3","3","4","3","1") = "3"
    & skf21("1","1","1","3","3","4","4","1") = "3"
    & skf21("1","1","1","3","3","4","5","1") = "4"
    & skf21("1","1","1","3","3","4","6","1") = "5"
    & skf21("1","1","1","3","3","4","7","1") = "6"
    & skf21("1","1","1","3","3","5","1","1") = "4"
    & skf21("1","1","1","3","3","5","2","1") = "4"
    & skf21("1","1","1","3","3","5","3","1") = "4"
    & skf21("1","1","1","3","3","5","4","1") = "4"
    & skf21("1","1","1","3","3","5","5","1") = "4"
    & skf21("1","1","1","3","3","5","6","1") = "5"
    & skf21("1","1","1","3","3","5","7","1") = "6"
    & skf21("1","1","1","3","3","6","1","1") = "5"
    & skf21("1","1","1","3","3","6","2","1") = "5"
    & skf21("1","1","1","3","3","6","3","1") = "5"
    & skf21("1","1","1","3","3","6","4","1") = "5"
    & skf21("1","1","1","3","3","6","5","1") = "5"
    & skf21("1","1","1","3","3","6","6","1") = "5"
    & skf21("1","1","1","3","3","6","7","1") = "6"
    & skf21("1","1","1","3","3","7","1","1") = "6"
    & skf21("1","1","1","3","3","7","2","1") = "6"
    & skf21("1","1","1","3","3","7","3","1") = "6"
    & skf21("1","1","1","3","3","7","4","1") = "6"
    & skf21("1","1","1","3","3","7","5","1") = "6"
    & skf21("1","1","1","3","3","7","6","1") = "6"
    & skf21("1","1","1","3","3","7","7","1") = "6"
    & skf21("1","1","1","3","4","1","1","1") = "3"
    & skf21("1","1","1","3","4","1","2","1") = "3"
    & skf21("1","1","1","3","4","1","3","1") = "3"
    & skf21("1","1","1","3","4","1","4","1") = "3"
    & skf21("1","1","1","3","4","1","5","1") = "4"
    & skf21("1","1","1","3","4","1","6","1") = "5"
    & skf21("1","1","1","3","4","1","7","1") = "6"
    & skf21("1","1","1","3","4","2","1","1") = "3"
    & skf21("1","1","1","3","4","2","2","1") = "3"
    & skf21("1","1","1","3","4","2","3","1") = "3"
    & skf21("1","1","1","3","4","2","4","1") = "3"
    & skf21("1","1","1","3","4","2","5","1") = "4"
    & skf21("1","1","1","3","4","2","6","1") = "5"
    & skf21("1","1","1","3","4","2","7","1") = "6"
    & skf21("1","1","1","3","4","3","1","1") = "3"
    & skf21("1","1","1","3","4","3","2","1") = "3"
    & skf21("1","1","1","3","4","3","3","1") = "3"
    & skf21("1","1","1","3","4","3","4","1") = "3"
    & skf21("1","1","1","3","4","3","5","1") = "4"
    & skf21("1","1","1","3","4","3","6","1") = "5"
    & skf21("1","1","1","3","4","3","7","1") = "6"
    & skf21("1","1","1","3","4","4","1","1") = "3"
    & skf21("1","1","1","3","4","4","2","1") = "3"
    & skf21("1","1","1","3","4","4","3","1") = "3"
    & skf21("1","1","1","3","4","4","4","1") = "3"
    & skf21("1","1","1","3","4","4","5","1") = "4"
    & skf21("1","1","1","3","4","4","6","1") = "5"
    & skf21("1","1","1","3","4","4","7","1") = "6"
    & skf21("1","1","1","3","4","5","1","1") = "4"
    & skf21("1","1","1","3","4","5","2","1") = "4"
    & skf21("1","1","1","3","4","5","3","1") = "4"
    & skf21("1","1","1","3","4","5","4","1") = "4"
    & skf21("1","1","1","3","4","5","5","1") = "4"
    & skf21("1","1","1","3","4","5","6","1") = "5"
    & skf21("1","1","1","3","4","5","7","1") = "6"
    & skf21("1","1","1","3","4","6","1","1") = "5"
    & skf21("1","1","1","3","4","6","2","1") = "5"
    & skf21("1","1","1","3","4","6","3","1") = "5"
    & skf21("1","1","1","3","4","6","4","1") = "5"
    & skf21("1","1","1","3","4","6","5","1") = "5"
    & skf21("1","1","1","3","4","6","6","1") = "5"
    & skf21("1","1","1","3","4","6","7","1") = "6"
    & skf21("1","1","1","3","4","7","1","1") = "6"
    & skf21("1","1","1","3","4","7","2","1") = "6"
    & skf21("1","1","1","3","4","7","3","1") = "6"
    & skf21("1","1","1","3","4","7","4","1") = "6"
    & skf21("1","1","1","3","4","7","5","1") = "6"
    & skf21("1","1","1","3","4","7","6","1") = "6"
    & skf21("1","1","1","3","4","7","7","1") = "6"
    & skf21("1","1","1","3","5","1","1","1") = "4"
    & skf21("1","1","1","3","5","1","2","1") = "4"
    & skf21("1","1","1","3","5","1","3","1") = "4"
    & skf21("1","1","1","3","5","1","4","1") = "4"
    & skf21("1","1","1","3","5","1","5","1") = "4"
    & skf21("1","1","1","3","5","1","6","1") = "5"
    & skf21("1","1","1","3","5","1","7","1") = "6"
    & skf21("1","1","1","3","5","2","1","1") = "4"
    & skf21("1","1","1","3","5","2","2","1") = "4"
    & skf21("1","1","1","3","5","2","3","1") = "4"
    & skf21("1","1","1","3","5","2","4","1") = "4"
    & skf21("1","1","1","3","5","2","5","1") = "4"
    & skf21("1","1","1","3","5","2","6","1") = "5"
    & skf21("1","1","1","3","5","2","7","1") = "6"
    & skf21("1","1","1","3","5","3","1","1") = "4"
    & skf21("1","1","1","3","5","3","2","1") = "4"
    & skf21("1","1","1","3","5","3","3","1") = "4"
    & skf21("1","1","1","3","5","3","4","1") = "4"
    & skf21("1","1","1","3","5","3","5","1") = "4"
    & skf21("1","1","1","3","5","3","6","1") = "5"
    & skf21("1","1","1","3","5","3","7","1") = "6"
    & skf21("1","1","1","3","5","4","1","1") = "4"
    & skf21("1","1","1","3","5","4","2","1") = "4"
    & skf21("1","1","1","3","5","4","3","1") = "4"
    & skf21("1","1","1","3","5","4","4","1") = "4"
    & skf21("1","1","1","3","5","4","5","1") = "4"
    & skf21("1","1","1","3","5","4","6","1") = "5"
    & skf21("1","1","1","3","5","4","7","1") = "6"
    & skf21("1","1","1","3","5","5","1","1") = "4"
    & skf21("1","1","1","3","5","5","2","1") = "4"
    & skf21("1","1","1","3","5","5","3","1") = "4"
    & skf21("1","1","1","3","5","5","4","1") = "4"
    & skf21("1","1","1","3","5","5","5","1") = "4"
    & skf21("1","1","1","3","5","5","6","1") = "5"
    & skf21("1","1","1","3","5","5","7","1") = "6"
    & skf21("1","1","1","3","5","6","1","1") = "5"
    & skf21("1","1","1","3","5","6","2","1") = "5"
    & skf21("1","1","1","3","5","6","3","1") = "5"
    & skf21("1","1","1","3","5","6","4","1") = "5"
    & skf21("1","1","1","3","5","6","5","1") = "5"
    & skf21("1","1","1","3","5","6","6","1") = "5"
    & skf21("1","1","1","3","5","6","7","1") = "6"
    & skf21("1","1","1","3","5","7","1","1") = "6"
    & skf21("1","1","1","3","5","7","2","1") = "6"
    & skf21("1","1","1","3","5","7","3","1") = "6"
    & skf21("1","1","1","3","5","7","4","1") = "6"
    & skf21("1","1","1","3","5","7","5","1") = "6"
    & skf21("1","1","1","3","5","7","6","1") = "6"
    & skf21("1","1","1","3","5","7","7","1") = "6"
    & skf21("1","1","1","3","6","1","1","1") = "5"
    & skf21("1","1","1","3","6","1","2","1") = "5"
    & skf21("1","1","1","3","6","1","3","1") = "5"
    & skf21("1","1","1","3","6","1","4","1") = "5"
    & skf21("1","1","1","3","6","1","5","1") = "5"
    & skf21("1","1","1","3","6","1","6","1") = "5"
    & skf21("1","1","1","3","6","1","7","1") = "6"
    & skf21("1","1","1","3","6","2","1","1") = "5"
    & skf21("1","1","1","3","6","2","2","1") = "5"
    & skf21("1","1","1","3","6","2","3","1") = "5"
    & skf21("1","1","1","3","6","2","4","1") = "5"
    & skf21("1","1","1","3","6","2","5","1") = "5"
    & skf21("1","1","1","3","6","2","6","1") = "5"
    & skf21("1","1","1","3","6","2","7","1") = "6"
    & skf21("1","1","1","3","6","3","1","1") = "5"
    & skf21("1","1","1","3","6","3","2","1") = "5"
    & skf21("1","1","1","3","6","3","3","1") = "5"
    & skf21("1","1","1","3","6","3","4","1") = "5"
    & skf21("1","1","1","3","6","3","5","1") = "5"
    & skf21("1","1","1","3","6","3","6","1") = "5"
    & skf21("1","1","1","3","6","3","7","1") = "6"
    & skf21("1","1","1","3","6","4","1","1") = "5"
    & skf21("1","1","1","3","6","4","2","1") = "5"
    & skf21("1","1","1","3","6","4","3","1") = "5"
    & skf21("1","1","1","3","6","4","4","1") = "5"
    & skf21("1","1","1","3","6","4","5","1") = "5"
    & skf21("1","1","1","3","6","4","6","1") = "5"
    & skf21("1","1","1","3","6","4","7","1") = "6"
    & skf21("1","1","1","3","6","5","1","1") = "5"
    & skf21("1","1","1","3","6","5","2","1") = "5"
    & skf21("1","1","1","3","6","5","3","1") = "5"
    & skf21("1","1","1","3","6","5","4","1") = "5"
    & skf21("1","1","1","3","6","5","5","1") = "5"
    & skf21("1","1","1","3","6","5","6","1") = "5"
    & skf21("1","1","1","3","6","5","7","1") = "6"
    & skf21("1","1","1","3","6","6","1","1") = "5"
    & skf21("1","1","1","3","6","6","2","1") = "5"
    & skf21("1","1","1","3","6","6","3","1") = "5"
    & skf21("1","1","1","3","6","6","4","1") = "5"
    & skf21("1","1","1","3","6","6","5","1") = "5"
    & skf21("1","1","1","3","6","6","6","1") = "5"
    & skf21("1","1","1","3","6","6","7","1") = "6"
    & skf21("1","1","1","3","6","7","1","1") = "6"
    & skf21("1","1","1","3","6","7","2","1") = "6"
    & skf21("1","1","1","3","6","7","3","1") = "6"
    & skf21("1","1","1","3","6","7","4","1") = "6"
    & skf21("1","1","1","3","6","7","5","1") = "6"
    & skf21("1","1","1","3","6","7","6","1") = "6"
    & skf21("1","1","1","3","6","7","7","1") = "6"
    & skf21("1","1","1","3","7","1","1","1") = "6"
    & skf21("1","1","1","3","7","1","2","1") = "6"
    & skf21("1","1","1","3","7","1","3","1") = "6"
    & skf21("1","1","1","3","7","1","4","1") = "6"
    & skf21("1","1","1","3","7","1","5","1") = "6"
    & skf21("1","1","1","3","7","1","6","1") = "6"
    & skf21("1","1","1","3","7","1","7","1") = "6"
    & skf21("1","1","1","3","7","2","1","1") = "6"
    & skf21("1","1","1","3","7","2","2","1") = "6"
    & skf21("1","1","1","3","7","2","3","1") = "6"
    & skf21("1","1","1","3","7","2","4","1") = "6"
    & skf21("1","1","1","3","7","2","5","1") = "6"
    & skf21("1","1","1","3","7","2","6","1") = "6"
    & skf21("1","1","1","3","7","2","7","1") = "6"
    & skf21("1","1","1","3","7","3","1","1") = "6"
    & skf21("1","1","1","3","7","3","2","1") = "6"
    & skf21("1","1","1","3","7","3","3","1") = "6"
    & skf21("1","1","1","3","7","3","4","1") = "6"
    & skf21("1","1","1","3","7","3","5","1") = "6"
    & skf21("1","1","1","3","7","3","6","1") = "6"
    & skf21("1","1","1","3","7","3","7","1") = "6"
    & skf21("1","1","1","3","7","4","1","1") = "6"
    & skf21("1","1","1","3","7","4","2","1") = "6"
    & skf21("1","1","1","3","7","4","3","1") = "6"
    & skf21("1","1","1","3","7","4","4","1") = "6"
    & skf21("1","1","1","3","7","4","5","1") = "6"
    & skf21("1","1","1","3","7","4","6","1") = "6"
    & skf21("1","1","1","3","7","4","7","1") = "6"
    & skf21("1","1","1","3","7","5","1","1") = "6"
    & skf21("1","1","1","3","7","5","2","1") = "6"
    & skf21("1","1","1","3","7","5","3","1") = "6"
    & skf21("1","1","1","3","7","5","4","1") = "6"
    & skf21("1","1","1","3","7","5","5","1") = "6"
    & skf21("1","1","1","3","7","5","6","1") = "6"
    & skf21("1","1","1","3","7","5","7","1") = "6"
    & skf21("1","1","1","3","7","6","1","1") = "6"
    & skf21("1","1","1","3","7","6","2","1") = "6"
    & skf21("1","1","1","3","7","6","3","1") = "6"
    & skf21("1","1","1","3","7","6","4","1") = "6"
    & skf21("1","1","1","3","7","6","5","1") = "6"
    & skf21("1","1","1","3","7","6","6","1") = "6"
    & skf21("1","1","1","3","7","6","7","1") = "6"
    & skf21("1","1","1","3","7","7","1","1") = "6"
    & skf21("1","1","1","3","7","7","2","1") = "6"
    & skf21("1","1","1","3","7","7","3","1") = "6"
    & skf21("1","1","1","3","7","7","4","1") = "6"
    & skf21("1","1","1","3","7","7","5","1") = "6"
    & skf21("1","1","1","3","7","7","6","1") = "6"
    & skf21("1","1","1","3","7","7","7","1") = "6"
    & skf21("1","1","1","4","1","1","1","1") = "3"
    & skf21("1","1","1","4","1","1","2","1") = "3"
    & skf21("1","1","1","4","1","1","3","1") = "3"
    & skf21("1","1","1","4","1","1","4","1") = "3"
    & skf21("1","1","1","4","1","1","5","1") = "4"
    & skf21("1","1","1","4","1","1","6","1") = "5"
    & skf21("1","1","1","4","1","1","7","1") = "6"
    & skf21("1","1","1","4","1","2","1","1") = "3"
    & skf21("1","1","1","4","1","2","2","1") = "3"
    & skf21("1","1","1","4","1","2","3","1") = "3"
    & skf21("1","1","1","4","1","2","4","1") = "3"
    & skf21("1","1","1","4","1","2","5","1") = "4"
    & skf21("1","1","1","4","1","2","6","1") = "5"
    & skf21("1","1","1","4","1","2","7","1") = "6"
    & skf21("1","1","1","4","1","3","1","1") = "3"
    & skf21("1","1","1","4","1","3","2","1") = "3"
    & skf21("1","1","1","4","1","3","3","1") = "3"
    & skf21("1","1","1","4","1","3","4","1") = "3"
    & skf21("1","1","1","4","1","3","5","1") = "4"
    & skf21("1","1","1","4","1","3","6","1") = "5"
    & skf21("1","1","1","4","1","3","7","1") = "6"
    & skf21("1","1","1","4","1","4","1","1") = "3"
    & skf21("1","1","1","4","1","4","2","1") = "3"
    & skf21("1","1","1","4","1","4","3","1") = "3"
    & skf21("1","1","1","4","1","4","4","1") = "3"
    & skf21("1","1","1","4","1","4","5","1") = "4"
    & skf21("1","1","1","4","1","4","6","1") = "5"
    & skf21("1","1","1","4","1","4","7","1") = "6"
    & skf21("1","1","1","4","1","5","1","1") = "4"
    & skf21("1","1","1","4","1","5","2","1") = "4"
    & skf21("1","1","1","4","1","5","3","1") = "4"
    & skf21("1","1","1","4","1","5","4","1") = "4"
    & skf21("1","1","1","4","1","5","5","1") = "4"
    & skf21("1","1","1","4","1","5","6","1") = "5"
    & skf21("1","1","1","4","1","5","7","1") = "6"
    & skf21("1","1","1","4","1","6","1","1") = "5"
    & skf21("1","1","1","4","1","6","2","1") = "5"
    & skf21("1","1","1","4","1","6","3","1") = "5"
    & skf21("1","1","1","4","1","6","4","1") = "5"
    & skf21("1","1","1","4","1","6","5","1") = "5"
    & skf21("1","1","1","4","1","6","6","1") = "5"
    & skf21("1","1","1","4","1","6","7","1") = "6"
    & skf21("1","1","1","4","1","7","1","1") = "6"
    & skf21("1","1","1","4","1","7","2","1") = "6"
    & skf21("1","1","1","4","1","7","3","1") = "6"
    & skf21("1","1","1","4","1","7","4","1") = "6"
    & skf21("1","1","1","4","1","7","5","1") = "6"
    & skf21("1","1","1","4","1","7","6","1") = "6"
    & skf21("1","1","1","4","1","7","7","1") = "6"
    & skf21("1","1","1","4","2","1","1","1") = "3"
    & skf21("1","1","1","4","2","1","2","1") = "3"
    & skf21("1","1","1","4","2","1","3","1") = "3"
    & skf21("1","1","1","4","2","1","4","1") = "3"
    & skf21("1","1","1","4","2","1","5","1") = "4"
    & skf21("1","1","1","4","2","1","6","1") = "5"
    & skf21("1","1","1","4","2","1","7","1") = "6"
    & skf21("1","1","1","4","2","2","1","1") = "3"
    & skf21("1","1","1","4","2","2","2","1") = "3"
    & skf21("1","1","1","4","2","2","3","1") = "3"
    & skf21("1","1","1","4","2","2","4","1") = "3"
    & skf21("1","1","1","4","2","2","5","1") = "4"
    & skf21("1","1","1","4","2","2","6","1") = "5"
    & skf21("1","1","1","4","2","2","7","1") = "6"
    & skf21("1","1","1","4","2","3","1","1") = "3"
    & skf21("1","1","1","4","2","3","2","1") = "3"
    & skf21("1","1","1","4","2","3","3","1") = "3"
    & skf21("1","1","1","4","2","3","4","1") = "3"
    & skf21("1","1","1","4","2","3","5","1") = "4"
    & skf21("1","1","1","4","2","3","6","1") = "5"
    & skf21("1","1","1","4","2","3","7","1") = "6"
    & skf21("1","1","1","4","2","4","1","1") = "3"
    & skf21("1","1","1","4","2","4","2","1") = "3"
    & skf21("1","1","1","4","2","4","3","1") = "3"
    & skf21("1","1","1","4","2","4","4","1") = "3"
    & skf21("1","1","1","4","2","4","5","1") = "4"
    & skf21("1","1","1","4","2","4","6","1") = "5"
    & skf21("1","1","1","4","2","4","7","1") = "6"
    & skf21("1","1","1","4","2","5","1","1") = "4"
    & skf21("1","1","1","4","2","5","2","1") = "4"
    & skf21("1","1","1","4","2","5","3","1") = "4"
    & skf21("1","1","1","4","2","5","4","1") = "4"
    & skf21("1","1","1","4","2","5","5","1") = "4"
    & skf21("1","1","1","4","2","5","6","1") = "5"
    & skf21("1","1","1","4","2","5","7","1") = "6"
    & skf21("1","1","1","4","2","6","1","1") = "5"
    & skf21("1","1","1","4","2","6","2","1") = "5"
    & skf21("1","1","1","4","2","6","3","1") = "5"
    & skf21("1","1","1","4","2","6","4","1") = "5"
    & skf21("1","1","1","4","2","6","5","1") = "5"
    & skf21("1","1","1","4","2","6","6","1") = "5"
    & skf21("1","1","1","4","2","6","7","1") = "6"
    & skf21("1","1","1","4","2","7","1","1") = "6"
    & skf21("1","1","1","4","2","7","2","1") = "6"
    & skf21("1","1","1","4","2","7","3","1") = "6"
    & skf21("1","1","1","4","2","7","4","1") = "6"
    & skf21("1","1","1","4","2","7","5","1") = "6"
    & skf21("1","1","1","4","2","7","6","1") = "6"
    & skf21("1","1","1","4","2","7","7","1") = "6"
    & skf21("1","1","1","4","3","1","1","1") = "3"
    & skf21("1","1","1","4","3","1","2","1") = "3"
    & skf21("1","1","1","4","3","1","3","1") = "3"
    & skf21("1","1","1","4","3","1","4","1") = "3"
    & skf21("1","1","1","4","3","1","5","1") = "4"
    & skf21("1","1","1","4","3","1","6","1") = "5"
    & skf21("1","1","1","4","3","1","7","1") = "6"
    & skf21("1","1","1","4","3","2","1","1") = "3"
    & skf21("1","1","1","4","3","2","2","1") = "3"
    & skf21("1","1","1","4","3","2","3","1") = "3"
    & skf21("1","1","1","4","3","2","4","1") = "3"
    & skf21("1","1","1","4","3","2","5","1") = "4"
    & skf21("1","1","1","4","3","2","6","1") = "5"
    & skf21("1","1","1","4","3","2","7","1") = "6"
    & skf21("1","1","1","4","3","3","1","1") = "3"
    & skf21("1","1","1","4","3","3","2","1") = "3"
    & skf21("1","1","1","4","3","3","3","1") = "3"
    & skf21("1","1","1","4","3","3","4","1") = "3"
    & skf21("1","1","1","4","3","3","5","1") = "4"
    & skf21("1","1","1","4","3","3","6","1") = "5"
    & skf21("1","1","1","4","3","3","7","1") = "6"
    & skf21("1","1","1","4","3","4","1","1") = "3"
    & skf21("1","1","1","4","3","4","2","1") = "3"
    & skf21("1","1","1","4","3","4","3","1") = "3"
    & skf21("1","1","1","4","3","4","4","1") = "3"
    & skf21("1","1","1","4","3","4","5","1") = "4"
    & skf21("1","1","1","4","3","4","6","1") = "5"
    & skf21("1","1","1","4","3","4","7","1") = "6"
    & skf21("1","1","1","4","3","5","1","1") = "4"
    & skf21("1","1","1","4","3","5","2","1") = "4"
    & skf21("1","1","1","4","3","5","3","1") = "4"
    & skf21("1","1","1","4","3","5","4","1") = "4"
    & skf21("1","1","1","4","3","5","5","1") = "4"
    & skf21("1","1","1","4","3","5","6","1") = "5"
    & skf21("1","1","1","4","3","5","7","1") = "6"
    & skf21("1","1","1","4","3","6","1","1") = "5"
    & skf21("1","1","1","4","3","6","2","1") = "5"
    & skf21("1","1","1","4","3","6","3","1") = "5"
    & skf21("1","1","1","4","3","6","4","1") = "5"
    & skf21("1","1","1","4","3","6","5","1") = "5"
    & skf21("1","1","1","4","3","6","6","1") = "5"
    & skf21("1","1","1","4","3","6","7","1") = "6"
    & skf21("1","1","1","4","3","7","1","1") = "6"
    & skf21("1","1","1","4","3","7","2","1") = "6"
    & skf21("1","1","1","4","3","7","3","1") = "6"
    & skf21("1","1","1","4","3","7","4","1") = "6"
    & skf21("1","1","1","4","3","7","5","1") = "6"
    & skf21("1","1","1","4","3","7","6","1") = "6"
    & skf21("1","1","1","4","3","7","7","1") = "6"
    & skf21("1","1","1","4","4","1","1","1") = "3"
    & skf21("1","1","1","4","4","1","2","1") = "3"
    & skf21("1","1","1","4","4","1","3","1") = "3"
    & skf21("1","1","1","4","4","1","4","1") = "3"
    & skf21("1","1","1","4","4","1","5","1") = "4"
    & skf21("1","1","1","4","4","1","6","1") = "5"
    & skf21("1","1","1","4","4","1","7","1") = "6"
    & skf21("1","1","1","4","4","2","1","1") = "3"
    & skf21("1","1","1","4","4","2","2","1") = "3"
    & skf21("1","1","1","4","4","2","3","1") = "3"
    & skf21("1","1","1","4","4","2","4","1") = "3"
    & skf21("1","1","1","4","4","2","5","1") = "4"
    & skf21("1","1","1","4","4","2","6","1") = "5"
    & skf21("1","1","1","4","4","2","7","1") = "6"
    & skf21("1","1","1","4","4","3","1","1") = "3"
    & skf21("1","1","1","4","4","3","2","1") = "3"
    & skf21("1","1","1","4","4","3","3","1") = "3"
    & skf21("1","1","1","4","4","3","4","1") = "3"
    & skf21("1","1","1","4","4","3","5","1") = "4"
    & skf21("1","1","1","4","4","3","6","1") = "5"
    & skf21("1","1","1","4","4","3","7","1") = "6"
    & skf21("1","1","1","4","4","4","1","1") = "3"
    & skf21("1","1","1","4","4","4","2","1") = "3"
    & skf21("1","1","1","4","4","4","3","1") = "3"
    & skf21("1","1","1","4","4","4","4","1") = "3"
    & skf21("1","1","1","4","4","4","5","1") = "4"
    & skf21("1","1","1","4","4","4","6","1") = "5"
    & skf21("1","1","1","4","4","4","7","1") = "6"
    & skf21("1","1","1","4","4","5","1","1") = "4"
    & skf21("1","1","1","4","4","5","2","1") = "4"
    & skf21("1","1","1","4","4","5","3","1") = "4"
    & skf21("1","1","1","4","4","5","4","1") = "4"
    & skf21("1","1","1","4","4","5","5","1") = "4"
    & skf21("1","1","1","4","4","5","6","1") = "5"
    & skf21("1","1","1","4","4","5","7","1") = "6"
    & skf21("1","1","1","4","4","6","1","1") = "5"
    & skf21("1","1","1","4","4","6","2","1") = "5"
    & skf21("1","1","1","4","4","6","3","1") = "5"
    & skf21("1","1","1","4","4","6","4","1") = "5"
    & skf21("1","1","1","4","4","6","5","1") = "5"
    & skf21("1","1","1","4","4","6","6","1") = "5"
    & skf21("1","1","1","4","4","6","7","1") = "6"
    & skf21("1","1","1","4","4","7","1","1") = "6"
    & skf21("1","1","1","4","4","7","2","1") = "6"
    & skf21("1","1","1","4","4","7","3","1") = "6"
    & skf21("1","1","1","4","4","7","4","1") = "6"
    & skf21("1","1","1","4","4","7","5","1") = "6"
    & skf21("1","1","1","4","4","7","6","1") = "6"
    & skf21("1","1","1","4","4","7","7","1") = "6"
    & skf21("1","1","1","4","5","1","1","1") = "4"
    & skf21("1","1","1","4","5","1","2","1") = "4"
    & skf21("1","1","1","4","5","1","3","1") = "4"
    & skf21("1","1","1","4","5","1","4","1") = "4"
    & skf21("1","1","1","4","5","1","5","1") = "4"
    & skf21("1","1","1","4","5","1","6","1") = "5"
    & skf21("1","1","1","4","5","1","7","1") = "6"
    & skf21("1","1","1","4","5","2","1","1") = "4"
    & skf21("1","1","1","4","5","2","2","1") = "4"
    & skf21("1","1","1","4","5","2","3","1") = "4"
    & skf21("1","1","1","4","5","2","4","1") = "4"
    & skf21("1","1","1","4","5","2","5","1") = "4"
    & skf21("1","1","1","4","5","2","6","1") = "5"
    & skf21("1","1","1","4","5","2","7","1") = "6"
    & skf21("1","1","1","4","5","3","1","1") = "4"
    & skf21("1","1","1","4","5","3","2","1") = "4"
    & skf21("1","1","1","4","5","3","3","1") = "4"
    & skf21("1","1","1","4","5","3","4","1") = "4"
    & skf21("1","1","1","4","5","3","5","1") = "4"
    & skf21("1","1","1","4","5","3","6","1") = "5"
    & skf21("1","1","1","4","5","3","7","1") = "6"
    & skf21("1","1","1","4","5","4","1","1") = "4"
    & skf21("1","1","1","4","5","4","2","1") = "4"
    & skf21("1","1","1","4","5","4","3","1") = "4"
    & skf21("1","1","1","4","5","4","4","1") = "4"
    & skf21("1","1","1","4","5","4","5","1") = "4"
    & skf21("1","1","1","4","5","4","6","1") = "5"
    & skf21("1","1","1","4","5","4","7","1") = "6"
    & skf21("1","1","1","4","5","5","1","1") = "4"
    & skf21("1","1","1","4","5","5","2","1") = "4"
    & skf21("1","1","1","4","5","5","3","1") = "4"
    & skf21("1","1","1","4","5","5","4","1") = "4"
    & skf21("1","1","1","4","5","5","5","1") = "4"
    & skf21("1","1","1","4","5","5","6","1") = "5"
    & skf21("1","1","1","4","5","5","7","1") = "6"
    & skf21("1","1","1","4","5","6","1","1") = "5"
    & skf21("1","1","1","4","5","6","2","1") = "5"
    & skf21("1","1","1","4","5","6","3","1") = "5"
    & skf21("1","1","1","4","5","6","4","1") = "5"
    & skf21("1","1","1","4","5","6","5","1") = "5"
    & skf21("1","1","1","4","5","6","6","1") = "5"
    & skf21("1","1","1","4","5","6","7","1") = "6"
    & skf21("1","1","1","4","5","7","1","1") = "6"
    & skf21("1","1","1","4","5","7","2","1") = "6"
    & skf21("1","1","1","4","5","7","3","1") = "6"
    & skf21("1","1","1","4","5","7","4","1") = "6"
    & skf21("1","1","1","4","5","7","5","1") = "6"
    & skf21("1","1","1","4","5","7","6","1") = "6"
    & skf21("1","1","1","4","5","7","7","1") = "6"
    & skf21("1","1","1","4","6","1","1","1") = "5"
    & skf21("1","1","1","4","6","1","2","1") = "5"
    & skf21("1","1","1","4","6","1","3","1") = "5"
    & skf21("1","1","1","4","6","1","4","1") = "5"
    & skf21("1","1","1","4","6","1","5","1") = "5"
    & skf21("1","1","1","4","6","1","6","1") = "5"
    & skf21("1","1","1","4","6","1","7","1") = "6"
    & skf21("1","1","1","4","6","2","1","1") = "5"
    & skf21("1","1","1","4","6","2","2","1") = "5"
    & skf21("1","1","1","4","6","2","3","1") = "5"
    & skf21("1","1","1","4","6","2","4","1") = "5"
    & skf21("1","1","1","4","6","2","5","1") = "5"
    & skf21("1","1","1","4","6","2","6","1") = "5"
    & skf21("1","1","1","4","6","2","7","1") = "6"
    & skf21("1","1","1","4","6","3","1","1") = "5"
    & skf21("1","1","1","4","6","3","2","1") = "5"
    & skf21("1","1","1","4","6","3","3","1") = "5"
    & skf21("1","1","1","4","6","3","4","1") = "5"
    & skf21("1","1","1","4","6","3","5","1") = "5"
    & skf21("1","1","1","4","6","3","6","1") = "5"
    & skf21("1","1","1","4","6","3","7","1") = "6"
    & skf21("1","1","1","4","6","4","1","1") = "5"
    & skf21("1","1","1","4","6","4","2","1") = "5"
    & skf21("1","1","1","4","6","4","3","1") = "5"
    & skf21("1","1","1","4","6","4","4","1") = "5"
    & skf21("1","1","1","4","6","4","5","1") = "5"
    & skf21("1","1","1","4","6","4","6","1") = "5"
    & skf21("1","1","1","4","6","4","7","1") = "6"
    & skf21("1","1","1","4","6","5","1","1") = "5"
    & skf21("1","1","1","4","6","5","2","1") = "5"
    & skf21("1","1","1","4","6","5","3","1") = "5"
    & skf21("1","1","1","4","6","5","4","1") = "5"
    & skf21("1","1","1","4","6","5","5","1") = "5"
    & skf21("1","1","1","4","6","5","6","1") = "5"
    & skf21("1","1","1","4","6","5","7","1") = "6"
    & skf21("1","1","1","4","6","6","1","1") = "5"
    & skf21("1","1","1","4","6","6","2","1") = "5"
    & skf21("1","1","1","4","6","6","3","1") = "5"
    & skf21("1","1","1","4","6","6","4","1") = "5"
    & skf21("1","1","1","4","6","6","5","1") = "5"
    & skf21("1","1","1","4","6","6","6","1") = "5"
    & skf21("1","1","1","4","6","6","7","1") = "6"
    & skf21("1","1","1","4","6","7","1","1") = "6"
    & skf21("1","1","1","4","6","7","2","1") = "6"
    & skf21("1","1","1","4","6","7","3","1") = "6"
    & skf21("1","1","1","4","6","7","4","1") = "6"
    & skf21("1","1","1","4","6","7","5","1") = "6"
    & skf21("1","1","1","4","6","7","6","1") = "6"
    & skf21("1","1","1","4","6","7","7","1") = "6"
    & skf21("1","1","1","4","7","1","1","1") = "6"
    & skf21("1","1","1","4","7","1","2","1") = "6"
    & skf21("1","1","1","4","7","1","3","1") = "6"
    & skf21("1","1","1","4","7","1","4","1") = "6"
    & skf21("1","1","1","4","7","1","5","1") = "6"
    & skf21("1","1","1","4","7","1","6","1") = "6"
    & skf21("1","1","1","4","7","1","7","1") = "6"
    & skf21("1","1","1","4","7","2","1","1") = "6"
    & skf21("1","1","1","4","7","2","2","1") = "6"
    & skf21("1","1","1","4","7","2","3","1") = "6"
    & skf21("1","1","1","4","7","2","4","1") = "6"
    & skf21("1","1","1","4","7","2","5","1") = "6"
    & skf21("1","1","1","4","7","2","6","1") = "6"
    & skf21("1","1","1","4","7","2","7","1") = "6"
    & skf21("1","1","1","4","7","3","1","1") = "6"
    & skf21("1","1","1","4","7","3","2","1") = "6"
    & skf21("1","1","1","4","7","3","3","1") = "6"
    & skf21("1","1","1","4","7","3","4","1") = "6"
    & skf21("1","1","1","4","7","3","5","1") = "6"
    & skf21("1","1","1","4","7","3","6","1") = "6"
    & skf21("1","1","1","4","7","3","7","1") = "6"
    & skf21("1","1","1","4","7","4","1","1") = "6"
    & skf21("1","1","1","4","7","4","2","1") = "6"
    & skf21("1","1","1","4","7","4","3","1") = "6"
    & skf21("1","1","1","4","7","4","4","1") = "6"
    & skf21("1","1","1","4","7","4","5","1") = "6"
    & skf21("1","1","1","4","7","4","6","1") = "6"
    & skf21("1","1","1","4","7","4","7","1") = "6"
    & skf21("1","1","1","4","7","5","1","1") = "6"
    & skf21("1","1","1","4","7","5","2","1") = "6"
    & skf21("1","1","1","4","7","5","3","1") = "6"
    & skf21("1","1","1","4","7","5","4","1") = "6"
    & skf21("1","1","1","4","7","5","5","1") = "6"
    & skf21("1","1","1","4","7","5","6","1") = "6"
    & skf21("1","1","1","4","7","5","7","1") = "6"
    & skf21("1","1","1","4","7","6","1","1") = "6"
    & skf21("1","1","1","4","7","6","2","1") = "6"
    & skf21("1","1","1","4","7","6","3","1") = "6"
    & skf21("1","1","1","4","7","6","4","1") = "6"
    & skf21("1","1","1","4","7","6","5","1") = "6"
    & skf21("1","1","1","4","7","6","6","1") = "6"
    & skf21("1","1","1","4","7","6","7","1") = "6"
    & skf21("1","1","1","4","7","7","1","1") = "6"
    & skf21("1","1","1","4","7","7","2","1") = "6"
    & skf21("1","1","1","4","7","7","3","1") = "6"
    & skf21("1","1","1","4","7","7","4","1") = "6"
    & skf21("1","1","1","4","7","7","5","1") = "6"
    & skf21("1","1","1","4","7","7","6","1") = "6"
    & skf21("1","1","1","4","7","7","7","1") = "6"
    & skf21("1","1","1","5","1","1","1","1") = "4"
    & skf21("1","1","1","5","1","1","2","1") = "4"
    & skf21("1","1","1","5","1","1","3","1") = "4"
    & skf21("1","1","1","5","1","1","4","1") = "4"
    & skf21("1","1","1","5","1","1","5","1") = "4"
    & skf21("1","1","1","5","1","1","6","1") = "5"
    & skf21("1","1","1","5","1","1","7","1") = "6"
    & skf21("1","1","1","5","1","2","1","1") = "4"
    & skf21("1","1","1","5","1","2","2","1") = "4"
    & skf21("1","1","1","5","1","2","3","1") = "4"
    & skf21("1","1","1","5","1","2","4","1") = "4"
    & skf21("1","1","1","5","1","2","5","1") = "4"
    & skf21("1","1","1","5","1","2","6","1") = "5"
    & skf21("1","1","1","5","1","2","7","1") = "6"
    & skf21("1","1","1","5","1","3","1","1") = "4"
    & skf21("1","1","1","5","1","3","2","1") = "4"
    & skf21("1","1","1","5","1","3","3","1") = "4"
    & skf21("1","1","1","5","1","3","4","1") = "4"
    & skf21("1","1","1","5","1","3","5","1") = "4"
    & skf21("1","1","1","5","1","3","6","1") = "5"
    & skf21("1","1","1","5","1","3","7","1") = "6"
    & skf21("1","1","1","5","1","4","1","1") = "4"
    & skf21("1","1","1","5","1","4","2","1") = "4"
    & skf21("1","1","1","5","1","4","3","1") = "4"
    & skf21("1","1","1","5","1","4","4","1") = "4"
    & skf21("1","1","1","5","1","4","5","1") = "4"
    & skf21("1","1","1","5","1","4","6","1") = "5"
    & skf21("1","1","1","5","1","4","7","1") = "6"
    & skf21("1","1","1","5","1","5","1","1") = "4"
    & skf21("1","1","1","5","1","5","2","1") = "4"
    & skf21("1","1","1","5","1","5","3","1") = "4"
    & skf21("1","1","1","5","1","5","4","1") = "4"
    & skf21("1","1","1","5","1","5","5","1") = "4"
    & skf21("1","1","1","5","1","5","6","1") = "5"
    & skf21("1","1","1","5","1","5","7","1") = "6"
    & skf21("1","1","1","5","1","6","1","1") = "5"
    & skf21("1","1","1","5","1","6","2","1") = "5"
    & skf21("1","1","1","5","1","6","3","1") = "5"
    & skf21("1","1","1","5","1","6","4","1") = "5"
    & skf21("1","1","1","5","1","6","5","1") = "5"
    & skf21("1","1","1","5","1","6","6","1") = "5"
    & skf21("1","1","1","5","1","6","7","1") = "6"
    & skf21("1","1","1","5","1","7","1","1") = "6"
    & skf21("1","1","1","5","1","7","2","1") = "6"
    & skf21("1","1","1","5","1","7","3","1") = "6"
    & skf21("1","1","1","5","1","7","4","1") = "6"
    & skf21("1","1","1","5","1","7","5","1") = "6"
    & skf21("1","1","1","5","1","7","6","1") = "6"
    & skf21("1","1","1","5","1","7","7","1") = "6"
    & skf21("1","1","1","5","2","1","1","1") = "4"
    & skf21("1","1","1","5","2","1","2","1") = "4"
    & skf21("1","1","1","5","2","1","3","1") = "4"
    & skf21("1","1","1","5","2","1","4","1") = "4"
    & skf21("1","1","1","5","2","1","5","1") = "4"
    & skf21("1","1","1","5","2","1","6","1") = "5"
    & skf21("1","1","1","5","2","1","7","1") = "6"
    & skf21("1","1","1","5","2","2","1","1") = "4"
    & skf21("1","1","1","5","2","2","2","1") = "4"
    & skf21("1","1","1","5","2","2","3","1") = "4"
    & skf21("1","1","1","5","2","2","4","1") = "4"
    & skf21("1","1","1","5","2","2","5","1") = "4"
    & skf21("1","1","1","5","2","2","6","1") = "5"
    & skf21("1","1","1","5","2","2","7","1") = "6"
    & skf21("1","1","1","5","2","3","1","1") = "4"
    & skf21("1","1","1","5","2","3","2","1") = "4"
    & skf21("1","1","1","5","2","3","3","1") = "4"
    & skf21("1","1","1","5","2","3","4","1") = "4"
    & skf21("1","1","1","5","2","3","5","1") = "4"
    & skf21("1","1","1","5","2","3","6","1") = "5"
    & skf21("1","1","1","5","2","3","7","1") = "6"
    & skf21("1","1","1","5","2","4","1","1") = "4"
    & skf21("1","1","1","5","2","4","2","1") = "4"
    & skf21("1","1","1","5","2","4","3","1") = "4"
    & skf21("1","1","1","5","2","4","4","1") = "4"
    & skf21("1","1","1","5","2","4","5","1") = "4"
    & skf21("1","1","1","5","2","4","6","1") = "5"
    & skf21("1","1","1","5","2","4","7","1") = "6"
    & skf21("1","1","1","5","2","5","1","1") = "4"
    & skf21("1","1","1","5","2","5","2","1") = "4"
    & skf21("1","1","1","5","2","5","3","1") = "4"
    & skf21("1","1","1","5","2","5","4","1") = "4"
    & skf21("1","1","1","5","2","5","5","1") = "4"
    & skf21("1","1","1","5","2","5","6","1") = "5"
    & skf21("1","1","1","5","2","5","7","1") = "6"
    & skf21("1","1","1","5","2","6","1","1") = "5"
    & skf21("1","1","1","5","2","6","2","1") = "5"
    & skf21("1","1","1","5","2","6","3","1") = "5"
    & skf21("1","1","1","5","2","6","4","1") = "5"
    & skf21("1","1","1","5","2","6","5","1") = "5"
    & skf21("1","1","1","5","2","6","6","1") = "5"
    & skf21("1","1","1","5","2","6","7","1") = "6"
    & skf21("1","1","1","5","2","7","1","1") = "6"
    & skf21("1","1","1","5","2","7","2","1") = "6"
    & skf21("1","1","1","5","2","7","3","1") = "6"
    & skf21("1","1","1","5","2","7","4","1") = "6"
    & skf21("1","1","1","5","2","7","5","1") = "6"
    & skf21("1","1","1","5","2","7","6","1") = "6"
    & skf21("1","1","1","5","2","7","7","1") = "6"
    & skf21("1","1","1","5","3","1","1","1") = "4"
    & skf21("1","1","1","5","3","1","2","1") = "4"
    & skf21("1","1","1","5","3","1","3","1") = "4"
    & skf21("1","1","1","5","3","1","4","1") = "4"
    & skf21("1","1","1","5","3","1","5","1") = "4"
    & skf21("1","1","1","5","3","1","6","1") = "5"
    & skf21("1","1","1","5","3","1","7","1") = "6"
    & skf21("1","1","1","5","3","2","1","1") = "4"
    & skf21("1","1","1","5","3","2","2","1") = "4"
    & skf21("1","1","1","5","3","2","3","1") = "4"
    & skf21("1","1","1","5","3","2","4","1") = "4"
    & skf21("1","1","1","5","3","2","5","1") = "4"
    & skf21("1","1","1","5","3","2","6","1") = "5"
    & skf21("1","1","1","5","3","2","7","1") = "6"
    & skf21("1","1","1","5","3","3","1","1") = "4"
    & skf21("1","1","1","5","3","3","2","1") = "4"
    & skf21("1","1","1","5","3","3","3","1") = "4"
    & skf21("1","1","1","5","3","3","4","1") = "4"
    & skf21("1","1","1","5","3","3","5","1") = "4"
    & skf21("1","1","1","5","3","3","6","1") = "5"
    & skf21("1","1","1","5","3","3","7","1") = "6"
    & skf21("1","1","1","5","3","4","1","1") = "4"
    & skf21("1","1","1","5","3","4","2","1") = "4"
    & skf21("1","1","1","5","3","4","3","1") = "4"
    & skf21("1","1","1","5","3","4","4","1") = "4"
    & skf21("1","1","1","5","3","4","5","1") = "4"
    & skf21("1","1","1","5","3","4","6","1") = "5"
    & skf21("1","1","1","5","3","4","7","1") = "6"
    & skf21("1","1","1","5","3","5","1","1") = "4"
    & skf21("1","1","1","5","3","5","2","1") = "4"
    & skf21("1","1","1","5","3","5","3","1") = "4"
    & skf21("1","1","1","5","3","5","4","1") = "4"
    & skf21("1","1","1","5","3","5","5","1") = "4"
    & skf21("1","1","1","5","3","5","6","1") = "5"
    & skf21("1","1","1","5","3","5","7","1") = "6"
    & skf21("1","1","1","5","3","6","1","1") = "5"
    & skf21("1","1","1","5","3","6","2","1") = "5"
    & skf21("1","1","1","5","3","6","3","1") = "5"
    & skf21("1","1","1","5","3","6","4","1") = "5"
    & skf21("1","1","1","5","3","6","5","1") = "5"
    & skf21("1","1","1","5","3","6","6","1") = "5"
    & skf21("1","1","1","5","3","6","7","1") = "6"
    & skf21("1","1","1","5","3","7","1","1") = "6"
    & skf21("1","1","1","5","3","7","2","1") = "6"
    & skf21("1","1","1","5","3","7","3","1") = "6"
    & skf21("1","1","1","5","3","7","4","1") = "6"
    & skf21("1","1","1","5","3","7","5","1") = "6"
    & skf21("1","1","1","5","3","7","6","1") = "6"
    & skf21("1","1","1","5","3","7","7","1") = "6"
    & skf21("1","1","1","5","4","1","1","1") = "4"
    & skf21("1","1","1","5","4","1","2","1") = "4"
    & skf21("1","1","1","5","4","1","3","1") = "4"
    & skf21("1","1","1","5","4","1","4","1") = "4"
    & skf21("1","1","1","5","4","1","5","1") = "4"
    & skf21("1","1","1","5","4","1","6","1") = "5"
    & skf21("1","1","1","5","4","1","7","1") = "6"
    & skf21("1","1","1","5","4","2","1","1") = "4"
    & skf21("1","1","1","5","4","2","2","1") = "4"
    & skf21("1","1","1","5","4","2","3","1") = "4"
    & skf21("1","1","1","5","4","2","4","1") = "4"
    & skf21("1","1","1","5","4","2","5","1") = "4"
    & skf21("1","1","1","5","4","2","6","1") = "5"
    & skf21("1","1","1","5","4","2","7","1") = "6"
    & skf21("1","1","1","5","4","3","1","1") = "4"
    & skf21("1","1","1","5","4","3","2","1") = "4"
    & skf21("1","1","1","5","4","3","3","1") = "4"
    & skf21("1","1","1","5","4","3","4","1") = "4"
    & skf21("1","1","1","5","4","3","5","1") = "4"
    & skf21("1","1","1","5","4","3","6","1") = "5"
    & skf21("1","1","1","5","4","3","7","1") = "6"
    & skf21("1","1","1","5","4","4","1","1") = "4"
    & skf21("1","1","1","5","4","4","2","1") = "4"
    & skf21("1","1","1","5","4","4","3","1") = "4"
    & skf21("1","1","1","5","4","4","4","1") = "4"
    & skf21("1","1","1","5","4","4","5","1") = "4"
    & skf21("1","1","1","5","4","4","6","1") = "5"
    & skf21("1","1","1","5","4","4","7","1") = "6"
    & skf21("1","1","1","5","4","5","1","1") = "4"
    & skf21("1","1","1","5","4","5","2","1") = "4"
    & skf21("1","1","1","5","4","5","3","1") = "4"
    & skf21("1","1","1","5","4","5","4","1") = "4"
    & skf21("1","1","1","5","4","5","5","1") = "4"
    & skf21("1","1","1","5","4","5","6","1") = "5"
    & skf21("1","1","1","5","4","5","7","1") = "6"
    & skf21("1","1","1","5","4","6","1","1") = "5"
    & skf21("1","1","1","5","4","6","2","1") = "5"
    & skf21("1","1","1","5","4","6","3","1") = "5"
    & skf21("1","1","1","5","4","6","4","1") = "5"
    & skf21("1","1","1","5","4","6","5","1") = "5"
    & skf21("1","1","1","5","4","6","6","1") = "5"
    & skf21("1","1","1","5","4","6","7","1") = "6"
    & skf21("1","1","1","5","4","7","1","1") = "6"
    & skf21("1","1","1","5","4","7","2","1") = "6"
    & skf21("1","1","1","5","4","7","3","1") = "6"
    & skf21("1","1","1","5","4","7","4","1") = "6"
    & skf21("1","1","1","5","4","7","5","1") = "6"
    & skf21("1","1","1","5","4","7","6","1") = "6"
    & skf21("1","1","1","5","4","7","7","1") = "6"
    & skf21("1","1","1","5","5","1","1","1") = "4"
    & skf21("1","1","1","5","5","1","2","1") = "4"
    & skf21("1","1","1","5","5","1","3","1") = "4"
    & skf21("1","1","1","5","5","1","4","1") = "4"
    & skf21("1","1","1","5","5","1","5","1") = "4"
    & skf21("1","1","1","5","5","1","6","1") = "5"
    & skf21("1","1","1","5","5","1","7","1") = "6"
    & skf21("1","1","1","5","5","2","1","1") = "4"
    & skf21("1","1","1","5","5","2","2","1") = "4"
    & skf21("1","1","1","5","5","2","3","1") = "4"
    & skf21("1","1","1","5","5","2","4","1") = "4"
    & skf21("1","1","1","5","5","2","5","1") = "4"
    & skf21("1","1","1","5","5","2","6","1") = "5"
    & skf21("1","1","1","5","5","2","7","1") = "6"
    & skf21("1","1","1","5","5","3","1","1") = "4"
    & skf21("1","1","1","5","5","3","2","1") = "4"
    & skf21("1","1","1","5","5","3","3","1") = "4"
    & skf21("1","1","1","5","5","3","4","1") = "4"
    & skf21("1","1","1","5","5","3","5","1") = "4"
    & skf21("1","1","1","5","5","3","6","1") = "5"
    & skf21("1","1","1","5","5","3","7","1") = "6"
    & skf21("1","1","1","5","5","4","1","1") = "4"
    & skf21("1","1","1","5","5","4","2","1") = "4"
    & skf21("1","1","1","5","5","4","3","1") = "4"
    & skf21("1","1","1","5","5","4","4","1") = "4"
    & skf21("1","1","1","5","5","4","5","1") = "4"
    & skf21("1","1","1","5","5","4","6","1") = "5"
    & skf21("1","1","1","5","5","4","7","1") = "6"
    & skf21("1","1","1","5","5","5","1","1") = "4"
    & skf21("1","1","1","5","5","5","2","1") = "4"
    & skf21("1","1","1","5","5","5","3","1") = "4"
    & skf21("1","1","1","5","5","5","4","1") = "4"
    & skf21("1","1","1","5","5","5","5","1") = "4"
    & skf21("1","1","1","5","5","5","6","1") = "5"
    & skf21("1","1","1","5","5","5","7","1") = "6"
    & skf21("1","1","1","5","5","6","1","1") = "5"
    & skf21("1","1","1","5","5","6","2","1") = "5"
    & skf21("1","1","1","5","5","6","3","1") = "5"
    & skf21("1","1","1","5","5","6","4","1") = "5"
    & skf21("1","1","1","5","5","6","5","1") = "5"
    & skf21("1","1","1","5","5","6","6","1") = "5"
    & skf21("1","1","1","5","5","6","7","1") = "6"
    & skf21("1","1","1","5","5","7","1","1") = "6"
    & skf21("1","1","1","5","5","7","2","1") = "6"
    & skf21("1","1","1","5","5","7","3","1") = "6"
    & skf21("1","1","1","5","5","7","4","1") = "6"
    & skf21("1","1","1","5","5","7","5","1") = "6"
    & skf21("1","1","1","5","5","7","6","1") = "6"
    & skf21("1","1","1","5","5","7","7","1") = "6"
    & skf21("1","1","1","5","6","1","1","1") = "5"
    & skf21("1","1","1","5","6","1","2","1") = "5"
    & skf21("1","1","1","5","6","1","3","1") = "5"
    & skf21("1","1","1","5","6","1","4","1") = "5"
    & skf21("1","1","1","5","6","1","5","1") = "5"
    & skf21("1","1","1","5","6","1","6","1") = "5"
    & skf21("1","1","1","5","6","1","7","1") = "6"
    & skf21("1","1","1","5","6","2","1","1") = "5"
    & skf21("1","1","1","5","6","2","2","1") = "5"
    & skf21("1","1","1","5","6","2","3","1") = "5"
    & skf21("1","1","1","5","6","2","4","1") = "5"
    & skf21("1","1","1","5","6","2","5","1") = "5"
    & skf21("1","1","1","5","6","2","6","1") = "5"
    & skf21("1","1","1","5","6","2","7","1") = "6"
    & skf21("1","1","1","5","6","3","1","1") = "5"
    & skf21("1","1","1","5","6","3","2","1") = "5"
    & skf21("1","1","1","5","6","3","3","1") = "5"
    & skf21("1","1","1","5","6","3","4","1") = "5"
    & skf21("1","1","1","5","6","3","5","1") = "5"
    & skf21("1","1","1","5","6","3","6","1") = "5"
    & skf21("1","1","1","5","6","3","7","1") = "6"
    & skf21("1","1","1","5","6","4","1","1") = "5"
    & skf21("1","1","1","5","6","4","2","1") = "5"
    & skf21("1","1","1","5","6","4","3","1") = "5"
    & skf21("1","1","1","5","6","4","4","1") = "5"
    & skf21("1","1","1","5","6","4","5","1") = "5"
    & skf21("1","1","1","5","6","4","6","1") = "5"
    & skf21("1","1","1","5","6","4","7","1") = "6"
    & skf21("1","1","1","5","6","5","1","1") = "5"
    & skf21("1","1","1","5","6","5","2","1") = "5"
    & skf21("1","1","1","5","6","5","3","1") = "5"
    & skf21("1","1","1","5","6","5","4","1") = "5"
    & skf21("1","1","1","5","6","5","5","1") = "5"
    & skf21("1","1","1","5","6","5","6","1") = "5"
    & skf21("1","1","1","5","6","5","7","1") = "6"
    & skf21("1","1","1","5","6","6","1","1") = "5"
    & skf21("1","1","1","5","6","6","2","1") = "5"
    & skf21("1","1","1","5","6","6","3","1") = "5"
    & skf21("1","1","1","5","6","6","4","1") = "5"
    & skf21("1","1","1","5","6","6","5","1") = "5"
    & skf21("1","1","1","5","6","6","6","1") = "5"
    & skf21("1","1","1","5","6","6","7","1") = "6"
    & skf21("1","1","1","5","6","7","1","1") = "6"
    & skf21("1","1","1","5","6","7","2","1") = "6"
    & skf21("1","1","1","5","6","7","3","1") = "6"
    & skf21("1","1","1","5","6","7","4","1") = "6"
    & skf21("1","1","1","5","6","7","5","1") = "6"
    & skf21("1","1","1","5","6","7","6","1") = "6"
    & skf21("1","1","1","5","6","7","7","1") = "6"
    & skf21("1","1","1","5","7","1","1","1") = "6"
    & skf21("1","1","1","5","7","1","2","1") = "6"
    & skf21("1","1","1","5","7","1","3","1") = "6"
    & skf21("1","1","1","5","7","1","4","1") = "6"
    & skf21("1","1","1","5","7","1","5","1") = "6"
    & skf21("1","1","1","5","7","1","6","1") = "6"
    & skf21("1","1","1","5","7","1","7","1") = "6"
    & skf21("1","1","1","5","7","2","1","1") = "6"
    & skf21("1","1","1","5","7","2","2","1") = "6"
    & skf21("1","1","1","5","7","2","3","1") = "6"
    & skf21("1","1","1","5","7","2","4","1") = "6"
    & skf21("1","1","1","5","7","2","5","1") = "6"
    & skf21("1","1","1","5","7","2","6","1") = "6"
    & skf21("1","1","1","5","7","2","7","1") = "6"
    & skf21("1","1","1","5","7","3","1","1") = "6"
    & skf21("1","1","1","5","7","3","2","1") = "6"
    & skf21("1","1","1","5","7","3","3","1") = "6"
    & skf21("1","1","1","5","7","3","4","1") = "6"
    & skf21("1","1","1","5","7","3","5","1") = "6"
    & skf21("1","1","1","5","7","3","6","1") = "6"
    & skf21("1","1","1","5","7","3","7","1") = "6"
    & skf21("1","1","1","5","7","4","1","1") = "6"
    & skf21("1","1","1","5","7","4","2","1") = "6"
    & skf21("1","1","1","5","7","4","3","1") = "6"
    & skf21("1","1","1","5","7","4","4","1") = "6"
    & skf21("1","1","1","5","7","4","5","1") = "6"
    & skf21("1","1","1","5","7","4","6","1") = "6"
    & skf21("1","1","1","5","7","4","7","1") = "6"
    & skf21("1","1","1","5","7","5","1","1") = "6"
    & skf21("1","1","1","5","7","5","2","1") = "6"
    & skf21("1","1","1","5","7","5","3","1") = "6"
    & skf21("1","1","1","5","7","5","4","1") = "6"
    & skf21("1","1","1","5","7","5","5","1") = "6"
    & skf21("1","1","1","5","7","5","6","1") = "6"
    & skf21("1","1","1","5","7","5","7","1") = "6"
    & skf21("1","1","1","5","7","6","1","1") = "6"
    & skf21("1","1","1","5","7","6","2","1") = "6"
    & skf21("1","1","1","5","7","6","3","1") = "6"
    & skf21("1","1","1","5","7","6","4","1") = "6"
    & skf21("1","1","1","5","7","6","5","1") = "6"
    & skf21("1","1","1","5","7","6","6","1") = "6"
    & skf21("1","1","1","5","7","6","7","1") = "6"
    & skf21("1","1","1","5","7","7","1","1") = "6"
    & skf21("1","1","1","5","7","7","2","1") = "6"
    & skf21("1","1","1","5","7","7","3","1") = "6"
    & skf21("1","1","1","5","7","7","4","1") = "6"
    & skf21("1","1","1","5","7","7","5","1") = "6"
    & skf21("1","1","1","5","7","7","6","1") = "6"
    & skf21("1","1","1","5","7","7","7","1") = "6"
    & skf21("1","1","1","6","1","1","1","1") = "5"
    & skf21("1","1","1","6","1","1","2","1") = "5"
    & skf21("1","1","1","6","1","1","3","1") = "5"
    & skf21("1","1","1","6","1","1","4","1") = "5"
    & skf21("1","1","1","6","1","1","5","1") = "5"
    & skf21("1","1","1","6","1","1","6","1") = "5"
    & skf21("1","1","1","6","1","1","7","1") = "6"
    & skf21("1","1","1","6","1","2","1","1") = "5"
    & skf21("1","1","1","6","1","2","2","1") = "5"
    & skf21("1","1","1","6","1","2","3","1") = "5"
    & skf21("1","1","1","6","1","2","4","1") = "5"
    & skf21("1","1","1","6","1","2","5","1") = "5"
    & skf21("1","1","1","6","1","2","6","1") = "5"
    & skf21("1","1","1","6","1","2","7","1") = "6"
    & skf21("1","1","1","6","1","3","1","1") = "5"
    & skf21("1","1","1","6","1","3","2","1") = "5"
    & skf21("1","1","1","6","1","3","3","1") = "5"
    & skf21("1","1","1","6","1","3","4","1") = "5"
    & skf21("1","1","1","6","1","3","5","1") = "5"
    & skf21("1","1","1","6","1","3","6","1") = "5"
    & skf21("1","1","1","6","1","3","7","1") = "6"
    & skf21("1","1","1","6","1","4","1","1") = "5"
    & skf21("1","1","1","6","1","4","2","1") = "5"
    & skf21("1","1","1","6","1","4","3","1") = "5"
    & skf21("1","1","1","6","1","4","4","1") = "5"
    & skf21("1","1","1","6","1","4","5","1") = "5"
    & skf21("1","1","1","6","1","4","6","1") = "5"
    & skf21("1","1","1","6","1","4","7","1") = "6"
    & skf21("1","1","1","6","1","5","1","1") = "5"
    & skf21("1","1","1","6","1","5","2","1") = "5"
    & skf21("1","1","1","6","1","5","3","1") = "5"
    & skf21("1","1","1","6","1","5","4","1") = "5"
    & skf21("1","1","1","6","1","5","5","1") = "5"
    & skf21("1","1","1","6","1","5","6","1") = "5"
    & skf21("1","1","1","6","1","5","7","1") = "6"
    & skf21("1","1","1","6","1","6","1","1") = "5"
    & skf21("1","1","1","6","1","6","2","1") = "5"
    & skf21("1","1","1","6","1","6","3","1") = "5"
    & skf21("1","1","1","6","1","6","4","1") = "5"
    & skf21("1","1","1","6","1","6","5","1") = "5"
    & skf21("1","1","1","6","1","6","6","1") = "5"
    & skf21("1","1","1","6","1","6","7","1") = "6"
    & skf21("1","1","1","6","1","7","1","1") = "6"
    & skf21("1","1","1","6","1","7","2","1") = "6"
    & skf21("1","1","1","6","1","7","3","1") = "6"
    & skf21("1","1","1","6","1","7","4","1") = "6"
    & skf21("1","1","1","6","1","7","5","1") = "6"
    & skf21("1","1","1","6","1","7","6","1") = "6"
    & skf21("1","1","1","6","1","7","7","1") = "6"
    & skf21("1","1","1","6","2","1","1","1") = "5"
    & skf21("1","1","1","6","2","1","2","1") = "5"
    & skf21("1","1","1","6","2","1","3","1") = "5"
    & skf21("1","1","1","6","2","1","4","1") = "5"
    & skf21("1","1","1","6","2","1","5","1") = "5"
    & skf21("1","1","1","6","2","1","6","1") = "5"
    & skf21("1","1","1","6","2","1","7","1") = "6"
    & skf21("1","1","1","6","2","2","1","1") = "5"
    & skf21("1","1","1","6","2","2","2","1") = "5"
    & skf21("1","1","1","6","2","2","3","1") = "5"
    & skf21("1","1","1","6","2","2","4","1") = "5"
    & skf21("1","1","1","6","2","2","5","1") = "5"
    & skf21("1","1","1","6","2","2","6","1") = "5"
    & skf21("1","1","1","6","2","2","7","1") = "6"
    & skf21("1","1","1","6","2","3","1","1") = "5"
    & skf21("1","1","1","6","2","3","2","1") = "5"
    & skf21("1","1","1","6","2","3","3","1") = "5"
    & skf21("1","1","1","6","2","3","4","1") = "5"
    & skf21("1","1","1","6","2","3","5","1") = "5"
    & skf21("1","1","1","6","2","3","6","1") = "5"
    & skf21("1","1","1","6","2","3","7","1") = "6"
    & skf21("1","1","1","6","2","4","1","1") = "5"
    & skf21("1","1","1","6","2","4","2","1") = "5"
    & skf21("1","1","1","6","2","4","3","1") = "5"
    & skf21("1","1","1","6","2","4","4","1") = "5"
    & skf21("1","1","1","6","2","4","5","1") = "5"
    & skf21("1","1","1","6","2","4","6","1") = "5"
    & skf21("1","1","1","6","2","4","7","1") = "6"
    & skf21("1","1","1","6","2","5","1","1") = "5"
    & skf21("1","1","1","6","2","5","2","1") = "5"
    & skf21("1","1","1","6","2","5","3","1") = "5"
    & skf21("1","1","1","6","2","5","4","1") = "5"
    & skf21("1","1","1","6","2","5","5","1") = "5"
    & skf21("1","1","1","6","2","5","6","1") = "5"
    & skf21("1","1","1","6","2","5","7","1") = "6"
    & skf21("1","1","1","6","2","6","1","1") = "5"
    & skf21("1","1","1","6","2","6","2","1") = "5"
    & skf21("1","1","1","6","2","6","3","1") = "5"
    & skf21("1","1","1","6","2","6","4","1") = "5"
    & skf21("1","1","1","6","2","6","5","1") = "5"
    & skf21("1","1","1","6","2","6","6","1") = "5"
    & skf21("1","1","1","6","2","6","7","1") = "6"
    & skf21("1","1","1","6","2","7","1","1") = "6"
    & skf21("1","1","1","6","2","7","2","1") = "6"
    & skf21("1","1","1","6","2","7","3","1") = "6"
    & skf21("1","1","1","6","2","7","4","1") = "6"
    & skf21("1","1","1","6","2","7","5","1") = "6"
    & skf21("1","1","1","6","2","7","6","1") = "6"
    & skf21("1","1","1","6","2","7","7","1") = "6"
    & skf21("1","1","1","6","3","1","1","1") = "5"
    & skf21("1","1","1","6","3","1","2","1") = "5"
    & skf21("1","1","1","6","3","1","3","1") = "5"
    & skf21("1","1","1","6","3","1","4","1") = "5"
    & skf21("1","1","1","6","3","1","5","1") = "5"
    & skf21("1","1","1","6","3","1","6","1") = "5"
    & skf21("1","1","1","6","3","1","7","1") = "6"
    & skf21("1","1","1","6","3","2","1","1") = "5"
    & skf21("1","1","1","6","3","2","2","1") = "5"
    & skf21("1","1","1","6","3","2","3","1") = "5"
    & skf21("1","1","1","6","3","2","4","1") = "5"
    & skf21("1","1","1","6","3","2","5","1") = "5"
    & skf21("1","1","1","6","3","2","6","1") = "5"
    & skf21("1","1","1","6","3","2","7","1") = "6"
    & skf21("1","1","1","6","3","3","1","1") = "5"
    & skf21("1","1","1","6","3","3","2","1") = "5"
    & skf21("1","1","1","6","3","3","3","1") = "5"
    & skf21("1","1","1","6","3","3","4","1") = "5"
    & skf21("1","1","1","6","3","3","5","1") = "5"
    & skf21("1","1","1","6","3","3","6","1") = "5"
    & skf21("1","1","1","6","3","3","7","1") = "6"
    & skf21("1","1","1","6","3","4","1","1") = "5"
    & skf21("1","1","1","6","3","4","2","1") = "5"
    & skf21("1","1","1","6","3","4","3","1") = "5"
    & skf21("1","1","1","6","3","4","4","1") = "5"
    & skf21("1","1","1","6","3","4","5","1") = "5"
    & skf21("1","1","1","6","3","4","6","1") = "5"
    & skf21("1","1","1","6","3","4","7","1") = "6"
    & skf21("1","1","1","6","3","5","1","1") = "5"
    & skf21("1","1","1","6","3","5","2","1") = "5"
    & skf21("1","1","1","6","3","5","3","1") = "5"
    & skf21("1","1","1","6","3","5","4","1") = "5"
    & skf21("1","1","1","6","3","5","5","1") = "5"
    & skf21("1","1","1","6","3","5","6","1") = "5"
    & skf21("1","1","1","6","3","5","7","1") = "6"
    & skf21("1","1","1","6","3","6","1","1") = "5"
    & skf21("1","1","1","6","3","6","2","1") = "5"
    & skf21("1","1","1","6","3","6","3","1") = "5"
    & skf21("1","1","1","6","3","6","4","1") = "5"
    & skf21("1","1","1","6","3","6","5","1") = "5"
    & skf21("1","1","1","6","3","6","6","1") = "5"
    & skf21("1","1","1","6","3","6","7","1") = "6"
    & skf21("1","1","1","6","3","7","1","1") = "6"
    & skf21("1","1","1","6","3","7","2","1") = "6"
    & skf21("1","1","1","6","3","7","3","1") = "6"
    & skf21("1","1","1","6","3","7","4","1") = "6"
    & skf21("1","1","1","6","3","7","5","1") = "6"
    & skf21("1","1","1","6","3","7","6","1") = "6"
    & skf21("1","1","1","6","3","7","7","1") = "6"
    & skf21("1","1","1","6","4","1","1","1") = "5"
    & skf21("1","1","1","6","4","1","2","1") = "5"
    & skf21("1","1","1","6","4","1","3","1") = "5"
    & skf21("1","1","1","6","4","1","4","1") = "5"
    & skf21("1","1","1","6","4","1","5","1") = "5"
    & skf21("1","1","1","6","4","1","6","1") = "5"
    & skf21("1","1","1","6","4","1","7","1") = "6"
    & skf21("1","1","1","6","4","2","1","1") = "5"
    & skf21("1","1","1","6","4","2","2","1") = "5"
    & skf21("1","1","1","6","4","2","3","1") = "5"
    & skf21("1","1","1","6","4","2","4","1") = "5"
    & skf21("1","1","1","6","4","2","5","1") = "5"
    & skf21("1","1","1","6","4","2","6","1") = "5"
    & skf21("1","1","1","6","4","2","7","1") = "6"
    & skf21("1","1","1","6","4","3","1","1") = "5"
    & skf21("1","1","1","6","4","3","2","1") = "5"
    & skf21("1","1","1","6","4","3","3","1") = "5"
    & skf21("1","1","1","6","4","3","4","1") = "5"
    & skf21("1","1","1","6","4","3","5","1") = "5"
    & skf21("1","1","1","6","4","3","6","1") = "5"
    & skf21("1","1","1","6","4","3","7","1") = "6"
    & skf21("1","1","1","6","4","4","1","1") = "5"
    & skf21("1","1","1","6","4","4","2","1") = "5"
    & skf21("1","1","1","6","4","4","3","1") = "5"
    & skf21("1","1","1","6","4","4","4","1") = "5"
    & skf21("1","1","1","6","4","4","5","1") = "5"
    & skf21("1","1","1","6","4","4","6","1") = "5"
    & skf21("1","1","1","6","4","4","7","1") = "6"
    & skf21("1","1","1","6","4","5","1","1") = "5"
    & skf21("1","1","1","6","4","5","2","1") = "5"
    & skf21("1","1","1","6","4","5","3","1") = "5"
    & skf21("1","1","1","6","4","5","4","1") = "5"
    & skf21("1","1","1","6","4","5","5","1") = "5"
    & skf21("1","1","1","6","4","5","6","1") = "5"
    & skf21("1","1","1","6","4","5","7","1") = "6"
    & skf21("1","1","1","6","4","6","1","1") = "5"
    & skf21("1","1","1","6","4","6","2","1") = "5"
    & skf21("1","1","1","6","4","6","3","1") = "5"
    & skf21("1","1","1","6","4","6","4","1") = "5"
    & skf21("1","1","1","6","4","6","5","1") = "5"
    & skf21("1","1","1","6","4","6","6","1") = "5"
    & skf21("1","1","1","6","4","6","7","1") = "6"
    & skf21("1","1","1","6","4","7","1","1") = "6"
    & skf21("1","1","1","6","4","7","2","1") = "6"
    & skf21("1","1","1","6","4","7","3","1") = "6"
    & skf21("1","1","1","6","4","7","4","1") = "6"
    & skf21("1","1","1","6","4","7","5","1") = "6"
    & skf21("1","1","1","6","4","7","6","1") = "6"
    & skf21("1","1","1","6","4","7","7","1") = "6"
    & skf21("1","1","1","6","5","1","1","1") = "5"
    & skf21("1","1","1","6","5","1","2","1") = "5"
    & skf21("1","1","1","6","5","1","3","1") = "5"
    & skf21("1","1","1","6","5","1","4","1") = "5"
    & skf21("1","1","1","6","5","1","5","1") = "5"
    & skf21("1","1","1","6","5","1","6","1") = "5"
    & skf21("1","1","1","6","5","1","7","1") = "6"
    & skf21("1","1","1","6","5","2","1","1") = "5"
    & skf21("1","1","1","6","5","2","2","1") = "5"
    & skf21("1","1","1","6","5","2","3","1") = "5"
    & skf21("1","1","1","6","5","2","4","1") = "5"
    & skf21("1","1","1","6","5","2","5","1") = "5"
    & skf21("1","1","1","6","5","2","6","1") = "5"
    & skf21("1","1","1","6","5","2","7","1") = "6"
    & skf21("1","1","1","6","5","3","1","1") = "5"
    & skf21("1","1","1","6","5","3","2","1") = "5"
    & skf21("1","1","1","6","5","3","3","1") = "5"
    & skf21("1","1","1","6","5","3","4","1") = "5"
    & skf21("1","1","1","6","5","3","5","1") = "5"
    & skf21("1","1","1","6","5","3","6","1") = "5"
    & skf21("1","1","1","6","5","3","7","1") = "6"
    & skf21("1","1","1","6","5","4","1","1") = "5"
    & skf21("1","1","1","6","5","4","2","1") = "5"
    & skf21("1","1","1","6","5","4","3","1") = "5"
    & skf21("1","1","1","6","5","4","4","1") = "5"
    & skf21("1","1","1","6","5","4","5","1") = "5"
    & skf21("1","1","1","6","5","4","6","1") = "5"
    & skf21("1","1","1","6","5","4","7","1") = "6"
    & skf21("1","1","1","6","5","5","1","1") = "5"
    & skf21("1","1","1","6","5","5","2","1") = "5"
    & skf21("1","1","1","6","5","5","3","1") = "5"
    & skf21("1","1","1","6","5","5","4","1") = "5"
    & skf21("1","1","1","6","5","5","5","1") = "5"
    & skf21("1","1","1","6","5","5","6","1") = "5"
    & skf21("1","1","1","6","5","5","7","1") = "6"
    & skf21("1","1","1","6","5","6","1","1") = "5"
    & skf21("1","1","1","6","5","6","2","1") = "5"
    & skf21("1","1","1","6","5","6","3","1") = "5"
    & skf21("1","1","1","6","5","6","4","1") = "5"
    & skf21("1","1","1","6","5","6","5","1") = "5"
    & skf21("1","1","1","6","5","6","6","1") = "5"
    & skf21("1","1","1","6","5","6","7","1") = "6"
    & skf21("1","1","1","6","5","7","1","1") = "6"
    & skf21("1","1","1","6","5","7","2","1") = "6"
    & skf21("1","1","1","6","5","7","3","1") = "6"
    & skf21("1","1","1","6","5","7","4","1") = "6"
    & skf21("1","1","1","6","5","7","5","1") = "6"
    & skf21("1","1","1","6","5","7","6","1") = "6"
    & skf21("1","1","1","6","5","7","7","1") = "6"
    & skf21("1","1","1","6","6","1","1","1") = "5"
    & skf21("1","1","1","6","6","1","2","1") = "5"
    & skf21("1","1","1","6","6","1","3","1") = "5"
    & skf21("1","1","1","6","6","1","4","1") = "5"
    & skf21("1","1","1","6","6","1","5","1") = "5"
    & skf21("1","1","1","6","6","1","6","1") = "5"
    & skf21("1","1","1","6","6","1","7","1") = "6"
    & skf21("1","1","1","6","6","2","1","1") = "5"
    & skf21("1","1","1","6","6","2","2","1") = "5"
    & skf21("1","1","1","6","6","2","3","1") = "5"
    & skf21("1","1","1","6","6","2","4","1") = "5"
    & skf21("1","1","1","6","6","2","5","1") = "5"
    & skf21("1","1","1","6","6","2","6","1") = "5"
    & skf21("1","1","1","6","6","2","7","1") = "6"
    & skf21("1","1","1","6","6","3","1","1") = "5"
    & skf21("1","1","1","6","6","3","2","1") = "5"
    & skf21("1","1","1","6","6","3","3","1") = "5"
    & skf21("1","1","1","6","6","3","4","1") = "5"
    & skf21("1","1","1","6","6","3","5","1") = "5"
    & skf21("1","1","1","6","6","3","6","1") = "5"
    & skf21("1","1","1","6","6","3","7","1") = "6"
    & skf21("1","1","1","6","6","4","1","1") = "5"
    & skf21("1","1","1","6","6","4","2","1") = "5"
    & skf21("1","1","1","6","6","4","3","1") = "5"
    & skf21("1","1","1","6","6","4","4","1") = "5"
    & skf21("1","1","1","6","6","4","5","1") = "5"
    & skf21("1","1","1","6","6","4","6","1") = "5"
    & skf21("1","1","1","6","6","4","7","1") = "6"
    & skf21("1","1","1","6","6","5","1","1") = "5"
    & skf21("1","1","1","6","6","5","2","1") = "5"
    & skf21("1","1","1","6","6","5","3","1") = "5"
    & skf21("1","1","1","6","6","5","4","1") = "5"
    & skf21("1","1","1","6","6","5","5","1") = "5"
    & skf21("1","1","1","6","6","5","6","1") = "5"
    & skf21("1","1","1","6","6","5","7","1") = "6"
    & skf21("1","1","1","6","6","6","1","1") = "5"
    & skf21("1","1","1","6","6","6","2","1") = "5"
    & skf21("1","1","1","6","6","6","3","1") = "5"
    & skf21("1","1","1","6","6","6","4","1") = "5"
    & skf21("1","1","1","6","6","6","5","1") = "5"
    & skf21("1","1","1","6","6","6","6","1") = "5"
    & skf21("1","1","1","6","6","6","7","1") = "6"
    & skf21("1","1","1","6","6","7","1","1") = "6"
    & skf21("1","1","1","6","6","7","2","1") = "6"
    & skf21("1","1","1","6","6","7","3","1") = "6"
    & skf21("1","1","1","6","6","7","4","1") = "6"
    & skf21("1","1","1","6","6","7","5","1") = "6"
    & skf21("1","1","1","6","6","7","6","1") = "6"
    & skf21("1","1","1","6","6","7","7","1") = "6"
    & skf21("1","1","1","6","7","1","1","1") = "6"
    & skf21("1","1","1","6","7","1","2","1") = "6"
    & skf21("1","1","1","6","7","1","3","1") = "6"
    & skf21("1","1","1","6","7","1","4","1") = "6"
    & skf21("1","1","1","6","7","1","5","1") = "6"
    & skf21("1","1","1","6","7","1","6","1") = "6"
    & skf21("1","1","1","6","7","1","7","1") = "6"
    & skf21("1","1","1","6","7","2","1","1") = "6"
    & skf21("1","1","1","6","7","2","2","1") = "6"
    & skf21("1","1","1","6","7","2","3","1") = "6"
    & skf21("1","1","1","6","7","2","4","1") = "6"
    & skf21("1","1","1","6","7","2","5","1") = "6"
    & skf21("1","1","1","6","7","2","6","1") = "6"
    & skf21("1","1","1","6","7","2","7","1") = "6"
    & skf21("1","1","1","6","7","3","1","1") = "6"
    & skf21("1","1","1","6","7","3","2","1") = "6"
    & skf21("1","1","1","6","7","3","3","1") = "6"
    & skf21("1","1","1","6","7","3","4","1") = "6"
    & skf21("1","1","1","6","7","3","5","1") = "6"
    & skf21("1","1","1","6","7","3","6","1") = "6"
    & skf21("1","1","1","6","7","3","7","1") = "6"
    & skf21("1","1","1","6","7","4","1","1") = "6"
    & skf21("1","1","1","6","7","4","2","1") = "6"
    & skf21("1","1","1","6","7","4","3","1") = "6"
    & skf21("1","1","1","6","7","4","4","1") = "6"
    & skf21("1","1","1","6","7","4","5","1") = "6"
    & skf21("1","1","1","6","7","4","6","1") = "6"
    & skf21("1","1","1","6","7","4","7","1") = "6"
    & skf21("1","1","1","6","7","5","1","1") = "6"
    & skf21("1","1","1","6","7","5","2","1") = "6"
    & skf21("1","1","1","6","7","5","3","1") = "6"
    & skf21("1","1","1","6","7","5","4","1") = "6"
    & skf21("1","1","1","6","7","5","5","1") = "6"
    & skf21("1","1","1","6","7","5","6","1") = "6"
    & skf21("1","1","1","6","7","5","7","1") = "6"
    & skf21("1","1","1","6","7","6","1","1") = "6"
    & skf21("1","1","1","6","7","6","2","1") = "6"
    & skf21("1","1","1","6","7","6","3","1") = "6"
    & skf21("1","1","1","6","7","6","4","1") = "6"
    & skf21("1","1","1","6","7","6","5","1") = "6"
    & skf21("1","1","1","6","7","6","6","1") = "6"
    & skf21("1","1","1","6","7","6","7","1") = "6"
    & skf21("1","1","1","6","7","7","1","1") = "6"
    & skf21("1","1","1","6","7","7","2","1") = "6"
    & skf21("1","1","1","6","7","7","3","1") = "6"
    & skf21("1","1","1","6","7","7","4","1") = "6"
    & skf21("1","1","1","6","7","7","5","1") = "6"
    & skf21("1","1","1","6","7","7","6","1") = "6"
    & skf21("1","1","1","6","7","7","7","1") = "6"
    & skf21("1","1","1","7","1","1","1","1") = "6"
    & skf21("1","1","1","7","1","1","2","1") = "6"
    & skf21("1","1","1","7","1","1","3","1") = "6"
    & skf21("1","1","1","7","1","1","4","1") = "6"
    & skf21("1","1","1","7","1","1","5","1") = "6"
    & skf21("1","1","1","7","1","1","6","1") = "6"
    & skf21("1","1","1","7","1","1","7","1") = "6"
    & skf21("1","1","1","7","1","2","1","1") = "6"
    & skf21("1","1","1","7","1","2","2","1") = "6"
    & skf21("1","1","1","7","1","2","3","1") = "6"
    & skf21("1","1","1","7","1","2","4","1") = "6"
    & skf21("1","1","1","7","1","2","5","1") = "6"
    & skf21("1","1","1","7","1","2","6","1") = "6"
    & skf21("1","1","1","7","1","2","7","1") = "6"
    & skf21("1","1","1","7","1","3","1","1") = "6"
    & skf21("1","1","1","7","1","3","2","1") = "6"
    & skf21("1","1","1","7","1","3","3","1") = "6"
    & skf21("1","1","1","7","1","3","4","1") = "6"
    & skf21("1","1","1","7","1","3","5","1") = "6"
    & skf21("1","1","1","7","1","3","6","1") = "6"
    & skf21("1","1","1","7","1","3","7","1") = "6"
    & skf21("1","1","1","7","1","4","1","1") = "6"
    & skf21("1","1","1","7","1","4","2","1") = "6"
    & skf21("1","1","1","7","1","4","3","1") = "6"
    & skf21("1","1","1","7","1","4","4","1") = "6"
    & skf21("1","1","1","7","1","4","5","1") = "6"
    & skf21("1","1","1","7","1","4","6","1") = "6"
    & skf21("1","1","1","7","1","4","7","1") = "6"
    & skf21("1","1","1","7","1","5","1","1") = "6"
    & skf21("1","1","1","7","1","5","2","1") = "6"
    & skf21("1","1","1","7","1","5","3","1") = "6"
    & skf21("1","1","1","7","1","5","4","1") = "6"
    & skf21("1","1","1","7","1","5","5","1") = "6"
    & skf21("1","1","1","7","1","5","6","1") = "6"
    & skf21("1","1","1","7","1","5","7","1") = "6"
    & skf21("1","1","1","7","1","6","1","1") = "6"
    & skf21("1","1","1","7","1","6","2","1") = "6"
    & skf21("1","1","1","7","1","6","3","1") = "6"
    & skf21("1","1","1","7","1","6","4","1") = "6"
    & skf21("1","1","1","7","1","6","5","1") = "6"
    & skf21("1","1","1","7","1","6","6","1") = "6"
    & skf21("1","1","1","7","1","6","7","1") = "6"
    & skf21("1","1","1","7","1","7","1","1") = "6"
    & skf21("1","1","1","7","1","7","2","1") = "6"
    & skf21("1","1","1","7","1","7","3","1") = "6"
    & skf21("1","1","1","7","1","7","4","1") = "6"
    & skf21("1","1","1","7","1","7","5","1") = "6"
    & skf21("1","1","1","7","1","7","6","1") = "6"
    & skf21("1","1","1","7","1","7","7","1") = "6"
    & skf21("1","1","1","7","2","1","1","1") = "6"
    & skf21("1","1","1","7","2","1","2","1") = "6"
    & skf21("1","1","1","7","2","1","3","1") = "6"
    & skf21("1","1","1","7","2","1","4","1") = "6"
    & skf21("1","1","1","7","2","1","5","1") = "6"
    & skf21("1","1","1","7","2","1","6","1") = "6"
    & skf21("1","1","1","7","2","1","7","1") = "6"
    & skf21("1","1","1","7","2","2","1","1") = "6"
    & skf21("1","1","1","7","2","2","2","1") = "6"
    & skf21("1","1","1","7","2","2","3","1") = "6"
    & skf21("1","1","1","7","2","2","4","1") = "6"
    & skf21("1","1","1","7","2","2","5","1") = "6"
    & skf21("1","1","1","7","2","2","6","1") = "6"
    & skf21("1","1","1","7","2","2","7","1") = "6"
    & skf21("1","1","1","7","2","3","1","1") = "6"
    & skf21("1","1","1","7","2","3","2","1") = "6"
    & skf21("1","1","1","7","2","3","3","1") = "6"
    & skf21("1","1","1","7","2","3","4","1") = "6"
    & skf21("1","1","1","7","2","3","5","1") = "6"
    & skf21("1","1","1","7","2","3","6","1") = "6"
    & skf21("1","1","1","7","2","3","7","1") = "6"
    & skf21("1","1","1","7","2","4","1","1") = "6"
    & skf21("1","1","1","7","2","4","2","1") = "6"
    & skf21("1","1","1","7","2","4","3","1") = "6"
    & skf21("1","1","1","7","2","4","4","1") = "6"
    & skf21("1","1","1","7","2","4","5","1") = "6"
    & skf21("1","1","1","7","2","4","6","1") = "6"
    & skf21("1","1","1","7","2","4","7","1") = "6"
    & skf21("1","1","1","7","2","5","1","1") = "6"
    & skf21("1","1","1","7","2","5","2","1") = "6"
    & skf21("1","1","1","7","2","5","3","1") = "6"
    & skf21("1","1","1","7","2","5","4","1") = "6"
    & skf21("1","1","1","7","2","5","5","1") = "6"
    & skf21("1","1","1","7","2","5","6","1") = "6"
    & skf21("1","1","1","7","2","5","7","1") = "6"
    & skf21("1","1","1","7","2","6","1","1") = "6"
    & skf21("1","1","1","7","2","6","2","1") = "6"
    & skf21("1","1","1","7","2","6","3","1") = "6"
    & skf21("1","1","1","7","2","6","4","1") = "6"
    & skf21("1","1","1","7","2","6","5","1") = "6"
    & skf21("1","1","1","7","2","6","6","1") = "6"
    & skf21("1","1","1","7","2","6","7","1") = "6"
    & skf21("1","1","1","7","2","7","1","1") = "6"
    & skf21("1","1","1","7","2","7","2","1") = "6"
    & skf21("1","1","1","7","2","7","3","1") = "6"
    & skf21("1","1","1","7","2","7","4","1") = "6"
    & skf21("1","1","1","7","2","7","5","1") = "6"
    & skf21("1","1","1","7","2","7","6","1") = "6"
    & skf21("1","1","1","7","2","7","7","1") = "6"
    & skf21("1","1","1","7","3","1","1","1") = "6"
    & skf21("1","1","1","7","3","1","2","1") = "6"
    & skf21("1","1","1","7","3","1","3","1") = "6"
    & skf21("1","1","1","7","3","1","4","1") = "6"
    & skf21("1","1","1","7","3","1","5","1") = "6"
    & skf21("1","1","1","7","3","1","6","1") = "6"
    & skf21("1","1","1","7","3","1","7","1") = "6"
    & skf21("1","1","1","7","3","2","1","1") = "6"
    & skf21("1","1","1","7","3","2","2","1") = "6"
    & skf21("1","1","1","7","3","2","3","1") = "6"
    & skf21("1","1","1","7","3","2","4","1") = "6"
    & skf21("1","1","1","7","3","2","5","1") = "6"
    & skf21("1","1","1","7","3","2","6","1") = "6"
    & skf21("1","1","1","7","3","2","7","1") = "6"
    & skf21("1","1","1","7","3","3","1","1") = "6"
    & skf21("1","1","1","7","3","3","2","1") = "6"
    & skf21("1","1","1","7","3","3","3","1") = "6"
    & skf21("1","1","1","7","3","3","4","1") = "6"
    & skf21("1","1","1","7","3","3","5","1") = "6"
    & skf21("1","1","1","7","3","3","6","1") = "6"
    & skf21("1","1","1","7","3","3","7","1") = "6"
    & skf21("1","1","1","7","3","4","1","1") = "6"
    & skf21("1","1","1","7","3","4","2","1") = "6"
    & skf21("1","1","1","7","3","4","3","1") = "6"
    & skf21("1","1","1","7","3","4","4","1") = "6"
    & skf21("1","1","1","7","3","4","5","1") = "6"
    & skf21("1","1","1","7","3","4","6","1") = "6"
    & skf21("1","1","1","7","3","4","7","1") = "6"
    & skf21("1","1","1","7","3","5","1","1") = "6"
    & skf21("1","1","1","7","3","5","2","1") = "6"
    & skf21("1","1","1","7","3","5","3","1") = "6"
    & skf21("1","1","1","7","3","5","4","1") = "6"
    & skf21("1","1","1","7","3","5","5","1") = "6"
    & skf21("1","1","1","7","3","5","6","1") = "6"
    & skf21("1","1","1","7","3","5","7","1") = "6"
    & skf21("1","1","1","7","3","6","1","1") = "6"
    & skf21("1","1","1","7","3","6","2","1") = "6"
    & skf21("1","1","1","7","3","6","3","1") = "6"
    & skf21("1","1","1","7","3","6","4","1") = "6"
    & skf21("1","1","1","7","3","6","5","1") = "6"
    & skf21("1","1","1","7","3","6","6","1") = "6"
    & skf21("1","1","1","7","3","6","7","1") = "6"
    & skf21("1","1","1","7","3","7","1","1") = "6"
    & skf21("1","1","1","7","3","7","2","1") = "6"
    & skf21("1","1","1","7","3","7","3","1") = "6"
    & skf21("1","1","1","7","3","7","4","1") = "6"
    & skf21("1","1","1","7","3","7","5","1") = "6"
    & skf21("1","1","1","7","3","7","6","1") = "6"
    & skf21("1","1","1","7","3","7","7","1") = "6"
    & skf21("1","1","1","7","4","1","1","1") = "6"
    & skf21("1","1","1","7","4","1","2","1") = "6"
    & skf21("1","1","1","7","4","1","3","1") = "6"
    & skf21("1","1","1","7","4","1","4","1") = "6"
    & skf21("1","1","1","7","4","1","5","1") = "6"
    & skf21("1","1","1","7","4","1","6","1") = "6"
    & skf21("1","1","1","7","4","1","7","1") = "6"
    & skf21("1","1","1","7","4","2","1","1") = "6"
    & skf21("1","1","1","7","4","2","2","1") = "6"
    & skf21("1","1","1","7","4","2","3","1") = "6"
    & skf21("1","1","1","7","4","2","4","1") = "6"
    & skf21("1","1","1","7","4","2","5","1") = "6"
    & skf21("1","1","1","7","4","2","6","1") = "6"
    & skf21("1","1","1","7","4","2","7","1") = "6"
    & skf21("1","1","1","7","4","3","1","1") = "6"
    & skf21("1","1","1","7","4","3","2","1") = "6"
    & skf21("1","1","1","7","4","3","3","1") = "6"
    & skf21("1","1","1","7","4","3","4","1") = "6"
    & skf21("1","1","1","7","4","3","5","1") = "6"
    & skf21("1","1","1","7","4","3","6","1") = "6"
    & skf21("1","1","1","7","4","3","7","1") = "6"
    & skf21("1","1","1","7","4","4","1","1") = "6"
    & skf21("1","1","1","7","4","4","2","1") = "6"
    & skf21("1","1","1","7","4","4","3","1") = "6"
    & skf21("1","1","1","7","4","4","4","1") = "6"
    & skf21("1","1","1","7","4","4","5","1") = "6"
    & skf21("1","1","1","7","4","4","6","1") = "6"
    & skf21("1","1","1","7","4","4","7","1") = "6"
    & skf21("1","1","1","7","4","5","1","1") = "6"
    & skf21("1","1","1","7","4","5","2","1") = "6"
    & skf21("1","1","1","7","4","5","3","1") = "6"
    & skf21("1","1","1","7","4","5","4","1") = "6"
    & skf21("1","1","1","7","4","5","5","1") = "6"
    & skf21("1","1","1","7","4","5","6","1") = "6"
    & skf21("1","1","1","7","4","5","7","1") = "6"
    & skf21("1","1","1","7","4","6","1","1") = "6"
    & skf21("1","1","1","7","4","6","2","1") = "6"
    & skf21("1","1","1","7","4","6","3","1") = "6"
    & skf21("1","1","1","7","4","6","4","1") = "6"
    & skf21("1","1","1","7","4","6","5","1") = "6"
    & skf21("1","1","1","7","4","6","6","1") = "6"
    & skf21("1","1","1","7","4","6","7","1") = "6"
    & skf21("1","1","1","7","4","7","1","1") = "6"
    & skf21("1","1","1","7","4","7","2","1") = "6"
    & skf21("1","1","1","7","4","7","3","1") = "6"
    & skf21("1","1","1","7","4","7","4","1") = "6"
    & skf21("1","1","1","7","4","7","5","1") = "6"
    & skf21("1","1","1","7","4","7","6","1") = "6"
    & skf21("1","1","1","7","4","7","7","1") = "6"
    & skf21("1","1","1","7","5","1","1","1") = "6"
    & skf21("1","1","1","7","5","1","2","1") = "6"
    & skf21("1","1","1","7","5","1","3","1") = "6"
    & skf21("1","1","1","7","5","1","4","1") = "6"
    & skf21("1","1","1","7","5","1","5","1") = "6"
    & skf21("1","1","1","7","5","1","6","1") = "6"
    & skf21("1","1","1","7","5","1","7","1") = "6"
    & skf21("1","1","1","7","5","2","1","1") = "6"
    & skf21("1","1","1","7","5","2","2","1") = "6"
    & skf21("1","1","1","7","5","2","3","1") = "6"
    & skf21("1","1","1","7","5","2","4","1") = "6"
    & skf21("1","1","1","7","5","2","5","1") = "6"
    & skf21("1","1","1","7","5","2","6","1") = "6"
    & skf21("1","1","1","7","5","2","7","1") = "6"
    & skf21("1","1","1","7","5","3","1","1") = "6"
    & skf21("1","1","1","7","5","3","2","1") = "6"
    & skf21("1","1","1","7","5","3","3","1") = "6"
    & skf21("1","1","1","7","5","3","4","1") = "6"
    & skf21("1","1","1","7","5","3","5","1") = "6"
    & skf21("1","1","1","7","5","3","6","1") = "6"
    & skf21("1","1","1","7","5","3","7","1") = "6"
    & skf21("1","1","1","7","5","4","1","1") = "6"
    & skf21("1","1","1","7","5","4","2","1") = "6"
    & skf21("1","1","1","7","5","4","3","1") = "6"
    & skf21("1","1","1","7","5","4","4","1") = "6"
    & skf21("1","1","1","7","5","4","5","1") = "6"
    & skf21("1","1","1","7","5","4","6","1") = "6"
    & skf21("1","1","1","7","5","4","7","1") = "6"
    & skf21("1","1","1","7","5","5","1","1") = "6"
    & skf21("1","1","1","7","5","5","2","1") = "6"
    & skf21("1","1","1","7","5","5","3","1") = "6"
    & skf21("1","1","1","7","5","5","4","1") = "6"
    & skf21("1","1","1","7","5","5","5","1") = "6"
    & skf21("1","1","1","7","5","5","6","1") = "6"
    & skf21("1","1","1","7","5","5","7","1") = "6"
    & skf21("1","1","1","7","5","6","1","1") = "6"
    & skf21("1","1","1","7","5","6","2","1") = "6"
    & skf21("1","1","1","7","5","6","3","1") = "6"
    & skf21("1","1","1","7","5","6","4","1") = "6"
    & skf21("1","1","1","7","5","6","5","1") = "6"
    & skf21("1","1","1","7","5","6","6","1") = "6"
    & skf21("1","1","1","7","5","6","7","1") = "6"
    & skf21("1","1","1","7","5","7","1","1") = "6"
    & skf21("1","1","1","7","5","7","2","1") = "6"
    & skf21("1","1","1","7","5","7","3","1") = "6"
    & skf21("1","1","1","7","5","7","4","1") = "6"
    & skf21("1","1","1","7","5","7","5","1") = "6"
    & skf21("1","1","1","7","5","7","6","1") = "6"
    & skf21("1","1","1","7","5","7","7","1") = "6"
    & skf21("1","1","1","7","6","1","1","1") = "6"
    & skf21("1","1","1","7","6","1","2","1") = "6"
    & skf21("1","1","1","7","6","1","3","1") = "6"
    & skf21("1","1","1","7","6","1","4","1") = "6"
    & skf21("1","1","1","7","6","1","5","1") = "6"
    & skf21("1","1","1","7","6","1","6","1") = "6"
    & skf21("1","1","1","7","6","1","7","1") = "6"
    & skf21("1","1","1","7","6","2","1","1") = "6"
    & skf21("1","1","1","7","6","2","2","1") = "6"
    & skf21("1","1","1","7","6","2","3","1") = "6"
    & skf21("1","1","1","7","6","2","4","1") = "6"
    & skf21("1","1","1","7","6","2","5","1") = "6"
    & skf21("1","1","1","7","6","2","6","1") = "6"
    & skf21("1","1","1","7","6","2","7","1") = "6"
    & skf21("1","1","1","7","6","3","1","1") = "6"
    & skf21("1","1","1","7","6","3","2","1") = "6"
    & skf21("1","1","1","7","6","3","3","1") = "6"
    & skf21("1","1","1","7","6","3","4","1") = "6"
    & skf21("1","1","1","7","6","3","5","1") = "6"
    & skf21("1","1","1","7","6","3","6","1") = "6"
    & skf21("1","1","1","7","6","3","7","1") = "6"
    & skf21("1","1","1","7","6","4","1","1") = "6"
    & skf21("1","1","1","7","6","4","2","1") = "6"
    & skf21("1","1","1","7","6","4","3","1") = "6"
    & skf21("1","1","1","7","6","4","4","1") = "6"
    & skf21("1","1","1","7","6","4","5","1") = "6"
    & skf21("1","1","1","7","6","4","6","1") = "6"
    & skf21("1","1","1","7","6","4","7","1") = "6"
    & skf21("1","1","1","7","6","5","1","1") = "6"
    & skf21("1","1","1","7","6","5","2","1") = "6"
    & skf21("1","1","1","7","6","5","3","1") = "6"
    & skf21("1","1","1","7","6","5","4","1") = "6"
    & skf21("1","1","1","7","6","5","5","1") = "6"
    & skf21("1","1","1","7","6","5","6","1") = "6"
    & skf21("1","1","1","7","6","5","7","1") = "6"
    & skf21("1","1","1","7","6","6","1","1") = "6"
    & skf21("1","1","1","7","6","6","2","1") = "6"
    & skf21("1","1","1","7","6","6","3","1") = "6"
    & skf21("1","1","1","7","6","6","4","1") = "6"
    & skf21("1","1","1","7","6","6","5","1") = "6"
    & skf21("1","1","1","7","6","6","6","1") = "6"
    & skf21("1","1","1","7","6","6","7","1") = "6"
    & skf21("1","1","1","7","6","7","1","1") = "6"
    & skf21("1","1","1","7","6","7","2","1") = "6"
    & skf21("1","1","1","7","6","7","3","1") = "6"
    & skf21("1","1","1","7","6","7","4","1") = "6"
    & skf21("1","1","1","7","6","7","5","1") = "6"
    & skf21("1","1","1","7","6","7","6","1") = "6"
    & skf21("1","1","1","7","6","7","7","1") = "6"
    & skf21("1","1","1","7","7","1","1","1") = "6"
    & skf21("1","1","1","7","7","1","2","1") = "6"
    & skf21("1","1","1","7","7","1","3","1") = "6"
    & skf21("1","1","1","7","7","1","4","1") = "6"
    & skf21("1","1","1","7","7","1","5","1") = "6"
    & skf21("1","1","1","7","7","1","6","1") = "6"
    & skf21("1","1","1","7","7","1","7","1") = "6"
    & skf21("1","1","1","7","7","2","1","1") = "6"
    & skf21("1","1","1","7","7","2","2","1") = "6"
    & skf21("1","1","1","7","7","2","3","1") = "6"
    & skf21("1","1","1","7","7","2","4","1") = "6"
    & skf21("1","1","1","7","7","2","5","1") = "6"
    & skf21("1","1","1","7","7","2","6","1") = "6"
    & skf21("1","1","1","7","7","2","7","1") = "6"
    & skf21("1","1","1","7","7","3","1","1") = "6"
    & skf21("1","1","1","7","7","3","2","1") = "6"
    & skf21("1","1","1","7","7","3","3","1") = "6"
    & skf21("1","1","1","7","7","3","4","1") = "6"
    & skf21("1","1","1","7","7","3","5","1") = "6"
    & skf21("1","1","1","7","7","3","6","1") = "6"
    & skf21("1","1","1","7","7","3","7","1") = "6"
    & skf21("1","1","1","7","7","4","1","1") = "6"
    & skf21("1","1","1","7","7","4","2","1") = "6"
    & skf21("1","1","1","7","7","4","3","1") = "6"
    & skf21("1","1","1","7","7","4","4","1") = "6"
    & skf21("1","1","1","7","7","4","5","1") = "6"
    & skf21("1","1","1","7","7","4","6","1") = "6"
    & skf21("1","1","1","7","7","4","7","1") = "6"
    & skf21("1","1","1","7","7","5","1","1") = "6"
    & skf21("1","1","1","7","7","5","2","1") = "6"
    & skf21("1","1","1","7","7","5","3","1") = "6"
    & skf21("1","1","1","7","7","5","4","1") = "6"
    & skf21("1","1","1","7","7","5","5","1") = "6"
    & skf21("1","1","1","7","7","5","6","1") = "6"
    & skf21("1","1","1","7","7","5","7","1") = "6"
    & skf21("1","1","1","7","7","6","1","1") = "6"
    & skf21("1","1","1","7","7","6","2","1") = "6"
    & skf21("1","1","1","7","7","6","3","1") = "6"
    & skf21("1","1","1","7","7","6","4","1") = "6"
    & skf21("1","1","1","7","7","6","5","1") = "6"
    & skf21("1","1","1","7","7","6","6","1") = "6"
    & skf21("1","1","1","7","7","6","7","1") = "6"
    & skf21("1","1","1","7","7","7","1","1") = "6"
    & skf21("1","1","1","7","7","7","2","1") = "6"
    & skf21("1","1","1","7","7","7","3","1") = "6"
    & skf21("1","1","1","7","7","7","4","1") = "6"
    & skf21("1","1","1","7","7","7","5","1") = "6"
    & skf21("1","1","1","7","7","7","6","1") = "6"
    & skf21("1","1","1","7","7","7","7","1") = "6"
    & skf21("1","1","2","1","1","1","1","1") = "1"
    & skf21("1","1","2","1","1","1","2","1") = "2"
    & skf21("1","1","2","1","1","1","3","1") = "2"
    & skf21("1","1","2","1","1","1","4","1") = "3"
    & skf21("1","1","2","1","1","1","5","1") = "4"
    & skf21("1","1","2","1","1","1","6","1") = "5"
    & skf21("1","1","2","1","1","1","7","1") = "6"
    & skf21("1","1","2","1","1","2","1","1") = "1"
    & skf21("1","1","2","1","1","2","2","1") = "1"
    & skf21("1","1","2","1","1","2","3","1") = "2"
    & skf21("1","1","2","1","1","2","4","1") = "3"
    & skf21("1","1","2","1","1","2","5","1") = "4"
    & skf21("1","1","2","1","1","2","6","1") = "5"
    & skf21("1","1","2","1","1","2","7","1") = "6"
    & skf21("1","1","2","1","1","3","1","1") = "2"
    & skf21("1","1","2","1","1","3","2","1") = "2"
    & skf21("1","1","2","1","1","3","3","1") = "2"
    & skf21("1","1","2","1","1","3","4","1") = "3"
    & skf21("1","1","2","1","1","3","5","1") = "4"
    & skf21("1","1","2","1","1","3","6","1") = "5"
    & skf21("1","1","2","1","1","3","7","1") = "6"
    & skf21("1","1","2","1","1","4","1","1") = "3"
    & skf21("1","1","2","1","1","4","2","1") = "3"
    & skf21("1","1","2","1","1","4","3","1") = "3"
    & skf21("1","1","2","1","1","4","4","1") = "3"
    & skf21("1","1","2","1","1","4","5","1") = "4"
    & skf21("1","1","2","1","1","4","6","1") = "5"
    & skf21("1","1","2","1","1","4","7","1") = "6"
    & skf21("1","1","2","1","1","5","1","1") = "4"
    & skf21("1","1","2","1","1","5","2","1") = "4"
    & skf21("1","1","2","1","1","5","3","1") = "4"
    & skf21("1","1","2","1","1","5","4","1") = "4"
    & skf21("1","1","2","1","1","5","5","1") = "4"
    & skf21("1","1","2","1","1","5","6","1") = "5"
    & skf21("1","1","2","1","1","5","7","1") = "6"
    & skf21("1","1","2","1","1","6","1","1") = "5"
    & skf21("1","1","2","1","1","6","2","1") = "5"
    & skf21("1","1","2","1","1","6","3","1") = "5"
    & skf21("1","1","2","1","1","6","4","1") = "5"
    & skf21("1","1","2","1","1","6","5","1") = "5"
    & skf21("1","1","2","1","1","6","6","1") = "5"
    & skf21("1","1","2","1","1","6","7","1") = "6"
    & skf21("1","1","2","1","1","7","1","1") = "6"
    & skf21("1","1","2","1","1","7","2","1") = "6"
    & skf21("1","1","2","1","1","7","3","1") = "6"
    & skf21("1","1","2","1","1","7","4","1") = "6"
    & skf21("1","1","2","1","1","7","5","1") = "6"
    & skf21("1","1","2","1","1","7","6","1") = "6"
    & skf21("1","1","2","1","1","7","7","1") = "6"
    & skf21("1","1","2","1","2","1","1","1") = "1"
    & skf21("1","1","2","1","2","1","2","1") = "1"
    & skf21("1","1","2","1","2","1","3","1") = "2"
    & skf21("1","1","2","1","2","1","4","1") = "3"
    & skf21("1","1","2","1","2","1","5","1") = "4"
    & skf21("1","1","2","1","2","1","6","1") = "5"
    & skf21("1","1","2","1","2","1","7","1") = "6"
    & skf21("1","1","2","1","2","2","1","1") = "1"
    & skf21("1","1","2","1","2","2","2","1") = "2"
    & skf21("1","1","2","1","2","2","3","1") = "2"
    & skf21("1","1","2","1","2","2","4","1") = "3"
    & skf21("1","1","2","1","2","2","5","1") = "4"
    & skf21("1","1","2","1","2","2","6","1") = "5"
    & skf21("1","1","2","1","2","2","7","1") = "6"
    & skf21("1","1","2","1","2","3","1","1") = "2"
    & skf21("1","1","2","1","2","3","2","1") = "2"
    & skf21("1","1","2","1","2","3","3","1") = "2"
    & skf21("1","1","2","1","2","3","4","1") = "3"
    & skf21("1","1","2","1","2","3","5","1") = "4"
    & skf21("1","1","2","1","2","3","6","1") = "5"
    & skf21("1","1","2","1","2","3","7","1") = "6"
    & skf21("1","1","2","1","2","4","1","1") = "3"
    & skf21("1","1","2","1","2","4","2","1") = "3"
    & skf21("1","1","2","1","2","4","3","1") = "3"
    & skf21("1","1","2","1","2","4","4","1") = "3"
    & skf21("1","1","2","1","2","4","5","1") = "4"
    & skf21("1","1","2","1","2","4","6","1") = "5"
    & skf21("1","1","2","1","2","4","7","1") = "6"
    & skf21("1","1","2","1","2","5","1","1") = "4"
    & skf21("1","1","2","1","2","5","2","1") = "4"
    & skf21("1","1","2","1","2","5","3","1") = "4"
    & skf21("1","1","2","1","2","5","4","1") = "4"
    & skf21("1","1","2","1","2","5","5","1") = "4"
    & skf21("1","1","2","1","2","5","6","1") = "5"
    & skf21("1","1","2","1","2","5","7","1") = "6"
    & skf21("1","1","2","1","2","6","1","1") = "5"
    & skf21("1","1","2","1","2","6","2","1") = "5"
    & skf21("1","1","2","1","2","6","3","1") = "5"
    & skf21("1","1","2","1","2","6","4","1") = "5"
    & skf21("1","1","2","1","2","6","5","1") = "5"
    & skf21("1","1","2","1","2","6","6","1") = "5"
    & skf21("1","1","2","1","2","6","7","1") = "6"
    & skf21("1","1","2","1","2","7","1","1") = "6"
    & skf21("1","1","2","1","2","7","2","1") = "6"
    & skf21("1","1","2","1","2","7","3","1") = "6"
    & skf21("1","1","2","1","2","7","4","1") = "6"
    & skf21("1","1","2","1","2","7","5","1") = "6"
    & skf21("1","1","2","1","2","7","6","1") = "6"
    & skf21("1","1","2","1","2","7","7","1") = "6"
    & skf21("1","1","2","1","3","1","1","1") = "2"
    & skf21("1","1","2","1","3","1","2","1") = "2"
    & skf21("1","1","2","1","3","1","3","1") = "2"
    & skf21("1","1","2","1","3","1","4","1") = "3"
    & skf21("1","1","2","1","3","1","5","1") = "4"
    & skf21("1","1","2","1","3","1","6","1") = "5"
    & skf21("1","1","2","1","3","1","7","1") = "6"
    & skf21("1","1","2","1","3","2","1","1") = "2"
    & skf21("1","1","2","1","3","2","2","1") = "2"
    & skf21("1","1","2","1","3","2","3","1") = "2"
    & skf21("1","1","2","1","3","2","4","1") = "3"
    & skf21("1","1","2","1","3","2","5","1") = "4"
    & skf21("1","1","2","1","3","2","6","1") = "5"
    & skf21("1","1","2","1","3","2","7","1") = "6"
    & skf21("1","1","2","1","3","3","1","1") = "2"
    & skf21("1","1","2","1","3","3","2","1") = "2"
    & skf21("1","1","2","1","3","3","3","1") = "2"
    & skf21("1","1","2","1","3","3","4","1") = "3"
    & skf21("1","1","2","1","3","3","5","1") = "4"
    & skf21("1","1","2","1","3","3","6","1") = "5"
    & skf21("1","1","2","1","3","3","7","1") = "6"
    & skf21("1","1","2","1","3","4","1","1") = "3"
    & skf21("1","1","2","1","3","4","2","1") = "3"
    & skf21("1","1","2","1","3","4","3","1") = "3"
    & skf21("1","1","2","1","3","4","4","1") = "3"
    & skf21("1","1","2","1","3","4","5","1") = "4"
    & skf21("1","1","2","1","3","4","6","1") = "5"
    & skf21("1","1","2","1","3","4","7","1") = "6"
    & skf21("1","1","2","1","3","5","1","1") = "4"
    & skf21("1","1","2","1","3","5","2","1") = "4"
    & skf21("1","1","2","1","3","5","3","1") = "4"
    & skf21("1","1","2","1","3","5","4","1") = "4"
    & skf21("1","1","2","1","3","5","5","1") = "4"
    & skf21("1","1","2","1","3","5","6","1") = "5"
    & skf21("1","1","2","1","3","5","7","1") = "6"
    & skf21("1","1","2","1","3","6","1","1") = "5"
    & skf21("1","1","2","1","3","6","2","1") = "5"
    & skf21("1","1","2","1","3","6","3","1") = "5"
    & skf21("1","1","2","1","3","6","4","1") = "5"
    & skf21("1","1","2","1","3","6","5","1") = "5"
    & skf21("1","1","2","1","3","6","6","1") = "5"
    & skf21("1","1","2","1","3","6","7","1") = "6"
    & skf21("1","1","2","1","3","7","1","1") = "6"
    & skf21("1","1","2","1","3","7","2","1") = "6"
    & skf21("1","1","2","1","3","7","3","1") = "6"
    & skf21("1","1","2","1","3","7","4","1") = "6"
    & skf21("1","1","2","1","3","7","5","1") = "6"
    & skf21("1","1","2","1","3","7","6","1") = "6"
    & skf21("1","1","2","1","3","7","7","1") = "6"
    & skf21("1","1","2","1","4","1","1","1") = "3"
    & skf21("1","1","2","1","4","1","2","1") = "3"
    & skf21("1","1","2","1","4","1","3","1") = "3"
    & skf21("1","1","2","1","4","1","4","1") = "3"
    & skf21("1","1","2","1","4","1","5","1") = "4"
    & skf21("1","1","2","1","4","1","6","1") = "5"
    & skf21("1","1","2","1","4","1","7","1") = "6"
    & skf21("1","1","2","1","4","2","1","1") = "3"
    & skf21("1","1","2","1","4","2","2","1") = "3"
    & skf21("1","1","2","1","4","2","3","1") = "3"
    & skf21("1","1","2","1","4","2","4","1") = "3"
    & skf21("1","1","2","1","4","2","5","1") = "4"
    & skf21("1","1","2","1","4","2","6","1") = "5"
    & skf21("1","1","2","1","4","2","7","1") = "6"
    & skf21("1","1","2","1","4","3","1","1") = "3"
    & skf21("1","1","2","1","4","3","2","1") = "3"
    & skf21("1","1","2","1","4","3","3","1") = "3"
    & skf21("1","1","2","1","4","3","4","1") = "3"
    & skf21("1","1","2","1","4","3","5","1") = "4"
    & skf21("1","1","2","1","4","3","6","1") = "5"
    & skf21("1","1","2","1","4","3","7","1") = "6"
    & skf21("1","1","2","1","4","4","1","1") = "3"
    & skf21("1","1","2","1","4","4","2","1") = "3"
    & skf21("1","1","2","1","4","4","3","1") = "3"
    & skf21("1","1","2","1","4","4","4","1") = "3"
    & skf21("1","1","2","1","4","4","5","1") = "4"
    & skf21("1","1","2","1","4","4","6","1") = "5"
    & skf21("1","1","2","1","4","4","7","1") = "6"
    & skf21("1","1","2","1","4","5","1","1") = "4"
    & skf21("1","1","2","1","4","5","2","1") = "4"
    & skf21("1","1","2","1","4","5","3","1") = "4"
    & skf21("1","1","2","1","4","5","4","1") = "4"
    & skf21("1","1","2","1","4","5","5","1") = "4"
    & skf21("1","1","2","1","4","5","6","1") = "5"
    & skf21("1","1","2","1","4","5","7","1") = "6"
    & skf21("1","1","2","1","4","6","1","1") = "5"
    & skf21("1","1","2","1","4","6","2","1") = "5"
    & skf21("1","1","2","1","4","6","3","1") = "5"
    & skf21("1","1","2","1","4","6","4","1") = "5"
    & skf21("1","1","2","1","4","6","5","1") = "5"
    & skf21("1","1","2","1","4","6","6","1") = "5"
    & skf21("1","1","2","1","4","6","7","1") = "6"
    & skf21("1","1","2","1","4","7","1","1") = "6"
    & skf21("1","1","2","1","4","7","2","1") = "6"
    & skf21("1","1","2","1","4","7","3","1") = "6"
    & skf21("1","1","2","1","4","7","4","1") = "6"
    & skf21("1","1","2","1","4","7","5","1") = "6"
    & skf21("1","1","2","1","4","7","6","1") = "6"
    & skf21("1","1","2","1","4","7","7","1") = "6"
    & skf21("1","1","2","1","5","1","1","1") = "4"
    & skf21("1","1","2","1","5","1","2","1") = "4"
    & skf21("1","1","2","1","5","1","3","1") = "4"
    & skf21("1","1","2","1","5","1","4","1") = "4"
    & skf21("1","1","2","1","5","1","5","1") = "4"
    & skf21("1","1","2","1","5","1","6","1") = "5"
    & skf21("1","1","2","1","5","1","7","1") = "6"
    & skf21("1","1","2","1","5","2","1","1") = "4"
    & skf21("1","1","2","1","5","2","2","1") = "4"
    & skf21("1","1","2","1","5","2","3","1") = "4"
    & skf21("1","1","2","1","5","2","4","1") = "4"
    & skf21("1","1","2","1","5","2","5","1") = "4"
    & skf21("1","1","2","1","5","2","6","1") = "5"
    & skf21("1","1","2","1","5","2","7","1") = "6"
    & skf21("1","1","2","1","5","3","1","1") = "4"
    & skf21("1","1","2","1","5","3","2","1") = "4"
    & skf21("1","1","2","1","5","3","3","1") = "4"
    & skf21("1","1","2","1","5","3","4","1") = "4"
    & skf21("1","1","2","1","5","3","5","1") = "4"
    & skf21("1","1","2","1","5","3","6","1") = "5"
    & skf21("1","1","2","1","5","3","7","1") = "6"
    & skf21("1","1","2","1","5","4","1","1") = "4"
    & skf21("1","1","2","1","5","4","2","1") = "4"
    & skf21("1","1","2","1","5","4","3","1") = "4"
    & skf21("1","1","2","1","5","4","4","1") = "4"
    & skf21("1","1","2","1","5","4","5","1") = "4"
    & skf21("1","1","2","1","5","4","6","1") = "5"
    & skf21("1","1","2","1","5","4","7","1") = "6"
    & skf21("1","1","2","1","5","5","1","1") = "4"
    & skf21("1","1","2","1","5","5","2","1") = "4"
    & skf21("1","1","2","1","5","5","3","1") = "4"
    & skf21("1","1","2","1","5","5","4","1") = "4"
    & skf21("1","1","2","1","5","5","5","1") = "4"
    & skf21("1","1","2","1","5","5","6","1") = "5"
    & skf21("1","1","2","1","5","5","7","1") = "6"
    & skf21("1","1","2","1","5","6","1","1") = "5"
    & skf21("1","1","2","1","5","6","2","1") = "5"
    & skf21("1","1","2","1","5","6","3","1") = "5"
    & skf21("1","1","2","1","5","6","4","1") = "5"
    & skf21("1","1","2","1","5","6","5","1") = "5"
    & skf21("1","1","2","1","5","6","6","1") = "5"
    & skf21("1","1","2","1","5","6","7","1") = "6"
    & skf21("1","1","2","1","5","7","1","1") = "6"
    & skf21("1","1","2","1","5","7","2","1") = "6"
    & skf21("1","1","2","1","5","7","3","1") = "6"
    & skf21("1","1","2","1","5","7","4","1") = "6"
    & skf21("1","1","2","1","5","7","5","1") = "6"
    & skf21("1","1","2","1","5","7","6","1") = "6"
    & skf21("1","1","2","1","5","7","7","1") = "6"
    & skf21("1","1","2","1","6","1","1","1") = "5"
    & skf21("1","1","2","1","6","1","2","1") = "5"
    & skf21("1","1","2","1","6","1","3","1") = "5"
    & skf21("1","1","2","1","6","1","4","1") = "5"
    & skf21("1","1","2","1","6","1","5","1") = "5"
    & skf21("1","1","2","1","6","1","6","1") = "5"
    & skf21("1","1","2","1","6","1","7","1") = "6"
    & skf21("1","1","2","1","6","2","1","1") = "5"
    & skf21("1","1","2","1","6","2","2","1") = "5"
    & skf21("1","1","2","1","6","2","3","1") = "5"
    & skf21("1","1","2","1","6","2","4","1") = "5"
    & skf21("1","1","2","1","6","2","5","1") = "5"
    & skf21("1","1","2","1","6","2","6","1") = "5"
    & skf21("1","1","2","1","6","2","7","1") = "6"
    & skf21("1","1","2","1","6","3","1","1") = "5"
    & skf21("1","1","2","1","6","3","2","1") = "5"
    & skf21("1","1","2","1","6","3","3","1") = "5"
    & skf21("1","1","2","1","6","3","4","1") = "5"
    & skf21("1","1","2","1","6","3","5","1") = "5"
    & skf21("1","1","2","1","6","3","6","1") = "5"
    & skf21("1","1","2","1","6","3","7","1") = "6"
    & skf21("1","1","2","1","6","4","1","1") = "5"
    & skf21("1","1","2","1","6","4","2","1") = "5"
    & skf21("1","1","2","1","6","4","3","1") = "5"
    & skf21("1","1","2","1","6","4","4","1") = "5"
    & skf21("1","1","2","1","6","4","5","1") = "5"
    & skf21("1","1","2","1","6","4","6","1") = "5"
    & skf21("1","1","2","1","6","4","7","1") = "6"
    & skf21("1","1","2","1","6","5","1","1") = "5"
    & skf21("1","1","2","1","6","5","2","1") = "5"
    & skf21("1","1","2","1","6","5","3","1") = "5"
    & skf21("1","1","2","1","6","5","4","1") = "5"
    & skf21("1","1","2","1","6","5","5","1") = "5"
    & skf21("1","1","2","1","6","5","6","1") = "5"
    & skf21("1","1","2","1","6","5","7","1") = "6"
    & skf21("1","1","2","1","6","6","1","1") = "5"
    & skf21("1","1","2","1","6","6","2","1") = "5"
    & skf21("1","1","2","1","6","6","3","1") = "5"
    & skf21("1","1","2","1","6","6","4","1") = "5"
    & skf21("1","1","2","1","6","6","5","1") = "5"
    & skf21("1","1","2","1","6","6","6","1") = "5"
    & skf21("1","1","2","1","6","6","7","1") = "6"
    & skf21("1","1","2","1","6","7","1","1") = "6"
    & skf21("1","1","2","1","6","7","2","1") = "6"
    & skf21("1","1","2","1","6","7","3","1") = "6"
    & skf21("1","1","2","1","6","7","4","1") = "6"
    & skf21("1","1","2","1","6","7","5","1") = "6"
    & skf21("1","1","2","1","6","7","6","1") = "6"
    & skf21("1","1","2","1","6","7","7","1") = "6"
    & skf21("1","1","2","1","7","1","1","1") = "6"
    & skf21("1","1","2","1","7","1","2","1") = "6"
    & skf21("1","1","2","1","7","1","3","1") = "6"
    & skf21("1","1","2","1","7","1","4","1") = "6"
    & skf21("1","1","2","1","7","1","5","1") = "6"
    & skf21("1","1","2","1","7","1","6","1") = "6"
    & skf21("1","1","2","1","7","1","7","1") = "6"
    & skf21("1","1","2","1","7","2","1","1") = "6"
    & skf21("1","1","2","1","7","2","2","1") = "6"
    & skf21("1","1","2","1","7","2","3","1") = "6"
    & skf21("1","1","2","1","7","2","4","1") = "6"
    & skf21("1","1","2","1","7","2","5","1") = "6"
    & skf21("1","1","2","1","7","2","6","1") = "6"
    & skf21("1","1","2","1","7","2","7","1") = "6"
    & skf21("1","1","2","1","7","3","1","1") = "6"
    & skf21("1","1","2","1","7","3","2","1") = "6"
    & skf21("1","1","2","1","7","3","3","1") = "6"
    & skf21("1","1","2","1","7","3","4","1") = "6"
    & skf21("1","1","2","1","7","3","5","1") = "6"
    & skf21("1","1","2","1","7","3","6","1") = "6"
    & skf21("1","1","2","1","7","3","7","1") = "6"
    & skf21("1","1","2","1","7","4","1","1") = "6"
    & skf21("1","1","2","1","7","4","2","1") = "6"
    & skf21("1","1","2","1","7","4","3","1") = "6"
    & skf21("1","1","2","1","7","4","4","1") = "6"
    & skf21("1","1","2","1","7","4","5","1") = "6"
    & skf21("1","1","2","1","7","4","6","1") = "6"
    & skf21("1","1","2","1","7","4","7","1") = "6"
    & skf21("1","1","2","1","7","5","1","1") = "6"
    & skf21("1","1","2","1","7","5","2","1") = "6"
    & skf21("1","1","2","1","7","5","3","1") = "6"
    & skf21("1","1","2","1","7","5","4","1") = "6"
    & skf21("1","1","2","1","7","5","5","1") = "6"
    & skf21("1","1","2","1","7","5","6","1") = "6"
    & skf21("1","1","2","1","7","5","7","1") = "6"
    & skf21("1","1","2","1","7","6","1","1") = "6"
    & skf21("1","1","2","1","7","6","2","1") = "6"
    & skf21("1","1","2","1","7","6","3","1") = "6"
    & skf21("1","1","2","1","7","6","4","1") = "6"
    & skf21("1","1","2","1","7","6","5","1") = "6"
    & skf21("1","1","2","1","7","6","6","1") = "6"
    & skf21("1","1","2","1","7","6","7","1") = "6"
    & skf21("1","1","2","1","7","7","1","1") = "6"
    & skf21("1","1","2","1","7","7","2","1") = "6"
    & skf21("1","1","2","1","7","7","3","1") = "6"
    & skf21("1","1","2","1","7","7","4","1") = "6"
    & skf21("1","1","2","1","7","7","5","1") = "6"
    & skf21("1","1","2","1","7","7","6","1") = "6"
    & skf21("1","1","2","1","7","7","7","1") = "6"
    & skf21("1","1","2","2","1","1","1","1") = "1"
    & skf21("1","1","2","2","1","1","2","1") = "1"
    & skf21("1","1","2","2","1","1","3","1") = "2"
    & skf21("1","1","2","2","1","1","4","1") = "3"
    & skf21("1","1","2","2","1","1","5","1") = "4"
    & skf21("1","1","2","2","1","1","6","1") = "5"
    & skf21("1","1","2","2","1","1","7","1") = "6"
    & skf21("1","1","2","2","1","2","1","1") = "1"
    & skf21("1","1","2","2","1","2","2","1") = "1"
    & skf21("1","1","2","2","1","2","3","1") = "2"
    & skf21("1","1","2","2","1","2","4","1") = "3"
    & skf21("1","1","2","2","1","2","5","1") = "4"
    & skf21("1","1","2","2","1","2","6","1") = "5"
    & skf21("1","1","2","2","1","2","7","1") = "6"
    & skf21("1","1","2","2","1","3","1","1") = "2"
    & skf21("1","1","2","2","1","3","2","1") = "2"
    & skf21("1","1","2","2","1","3","3","1") = "2"
    & skf21("1","1","2","2","1","3","4","1") = "3"
    & skf21("1","1","2","2","1","3","5","1") = "4"
    & skf21("1","1","2","2","1","3","6","1") = "5"
    & skf21("1","1","2","2","1","3","7","1") = "6"
    & skf21("1","1","2","2","1","4","1","1") = "3"
    & skf21("1","1","2","2","1","4","2","1") = "3"
    & skf21("1","1","2","2","1","4","3","1") = "3"
    & skf21("1","1","2","2","1","4","4","1") = "3"
    & skf21("1","1","2","2","1","4","5","1") = "4"
    & skf21("1","1","2","2","1","4","6","1") = "5"
    & skf21("1","1","2","2","1","4","7","1") = "6"
    & skf21("1","1","2","2","1","5","1","1") = "4"
    & skf21("1","1","2","2","1","5","2","1") = "4"
    & skf21("1","1","2","2","1","5","3","1") = "4"
    & skf21("1","1","2","2","1","5","4","1") = "4"
    & skf21("1","1","2","2","1","5","5","1") = "4"
    & skf21("1","1","2","2","1","5","6","1") = "5"
    & skf21("1","1","2","2","1","5","7","1") = "6"
    & skf21("1","1","2","2","1","6","1","1") = "5"
    & skf21("1","1","2","2","1","6","2","1") = "5"
    & skf21("1","1","2","2","1","6","3","1") = "5"
    & skf21("1","1","2","2","1","6","4","1") = "5"
    & skf21("1","1","2","2","1","6","5","1") = "5"
    & skf21("1","1","2","2","1","6","6","1") = "5"
    & skf21("1","1","2","2","1","6","7","1") = "6"
    & skf21("1","1","2","2","1","7","1","1") = "6"
    & skf21("1","1","2","2","1","7","2","1") = "6"
    & skf21("1","1","2","2","1","7","3","1") = "6"
    & skf21("1","1","2","2","1","7","4","1") = "6"
    & skf21("1","1","2","2","1","7","5","1") = "6"
    & skf21("1","1","2","2","1","7","6","1") = "6"
    & skf21("1","1","2","2","1","7","7","1") = "6"
    & skf21("1","1","2","2","2","1","1","1") = "1"
    & skf21("1","1","2","2","2","1","2","1") = "1"
    & skf21("1","1","2","2","2","1","3","1") = "2"
    & skf21("1","1","2","2","2","1","4","1") = "3"
    & skf21("1","1","2","2","2","1","5","1") = "4"
    & skf21("1","1","2","2","2","1","6","1") = "5"
    & skf21("1","1","2","2","2","1","7","1") = "6"
    & skf21("1","1","2","2","2","2","1","1") = "1"
    & skf21("1","1","2","2","2","2","2","1") = "1"
    & skf21("1","1","2","2","2","2","3","1") = "2"
    & skf21("1","1","2","2","2","2","4","1") = "3"
    & skf21("1","1","2","2","2","2","5","1") = "4"
    & skf21("1","1","2","2","2","2","6","1") = "5"
    & skf21("1","1","2","2","2","2","7","1") = "6"
    & skf21("1","1","2","2","2","3","1","1") = "2"
    & skf21("1","1","2","2","2","3","2","1") = "2"
    & skf21("1","1","2","2","2","3","3","1") = "2"
    & skf21("1","1","2","2","2","3","4","1") = "3"
    & skf21("1","1","2","2","2","3","5","1") = "4"
    & skf21("1","1","2","2","2","3","6","1") = "5"
    & skf21("1","1","2","2","2","3","7","1") = "6"
    & skf21("1","1","2","2","2","4","1","1") = "3"
    & skf21("1","1","2","2","2","4","2","1") = "3"
    & skf21("1","1","2","2","2","4","3","1") = "3"
    & skf21("1","1","2","2","2","4","4","1") = "3"
    & skf21("1","1","2","2","2","4","5","1") = "4"
    & skf21("1","1","2","2","2","4","6","1") = "5"
    & skf21("1","1","2","2","2","4","7","1") = "6"
    & skf21("1","1","2","2","2","5","1","1") = "4"
    & skf21("1","1","2","2","2","5","2","1") = "4"
    & skf21("1","1","2","2","2","5","3","1") = "4"
    & skf21("1","1","2","2","2","5","4","1") = "4"
    & skf21("1","1","2","2","2","5","5","1") = "4"
    & skf21("1","1","2","2","2","5","6","1") = "5"
    & skf21("1","1","2","2","2","5","7","1") = "6"
    & skf21("1","1","2","2","2","6","1","1") = "5"
    & skf21("1","1","2","2","2","6","2","1") = "5"
    & skf21("1","1","2","2","2","6","3","1") = "5"
    & skf21("1","1","2","2","2","6","4","1") = "5"
    & skf21("1","1","2","2","2","6","5","1") = "5"
    & skf21("1","1","2","2","2","6","6","1") = "5"
    & skf21("1","1","2","2","2","6","7","1") = "6"
    & skf21("1","1","2","2","2","7","1","1") = "6"
    & skf21("1","1","2","2","2","7","2","1") = "6"
    & skf21("1","1","2","2","2","7","3","1") = "6"
    & skf21("1","1","2","2","2","7","4","1") = "6"
    & skf21("1","1","2","2","2","7","5","1") = "6"
    & skf21("1","1","2","2","2","7","6","1") = "6"
    & skf21("1","1","2","2","2","7","7","1") = "6"
    & skf21("1","1","2","2","3","1","1","1") = "2"
    & skf21("1","1","2","2","3","1","2","1") = "2"
    & skf21("1","1","2","2","3","1","3","1") = "2"
    & skf21("1","1","2","2","3","1","4","1") = "3"
    & skf21("1","1","2","2","3","1","5","1") = "4"
    & skf21("1","1","2","2","3","1","6","1") = "5"
    & skf21("1","1","2","2","3","1","7","1") = "6"
    & skf21("1","1","2","2","3","2","1","1") = "2"
    & skf21("1","1","2","2","3","2","2","1") = "2"
    & skf21("1","1","2","2","3","2","3","1") = "2"
    & skf21("1","1","2","2","3","2","4","1") = "3"
    & skf21("1","1","2","2","3","2","5","1") = "4"
    & skf21("1","1","2","2","3","2","6","1") = "5"
    & skf21("1","1","2","2","3","2","7","1") = "6"
    & skf21("1","1","2","2","3","3","1","1") = "2"
    & skf21("1","1","2","2","3","3","2","1") = "2"
    & skf21("1","1","2","2","3","3","3","1") = "2"
    & skf21("1","1","2","2","3","3","4","1") = "3"
    & skf21("1","1","2","2","3","3","5","1") = "4"
    & skf21("1","1","2","2","3","3","6","1") = "5"
    & skf21("1","1","2","2","3","3","7","1") = "6"
    & skf21("1","1","2","2","3","4","1","1") = "3"
    & skf21("1","1","2","2","3","4","2","1") = "3"
    & skf21("1","1","2","2","3","4","3","1") = "3"
    & skf21("1","1","2","2","3","4","4","1") = "3"
    & skf21("1","1","2","2","3","4","5","1") = "4"
    & skf21("1","1","2","2","3","4","6","1") = "5"
    & skf21("1","1","2","2","3","4","7","1") = "6"
    & skf21("1","1","2","2","3","5","1","1") = "4"
    & skf21("1","1","2","2","3","5","2","1") = "4"
    & skf21("1","1","2","2","3","5","3","1") = "4"
    & skf21("1","1","2","2","3","5","4","1") = "4"
    & skf21("1","1","2","2","3","5","5","1") = "4"
    & skf21("1","1","2","2","3","5","6","1") = "5"
    & skf21("1","1","2","2","3","5","7","1") = "6"
    & skf21("1","1","2","2","3","6","1","1") = "5"
    & skf21("1","1","2","2","3","6","2","1") = "5"
    & skf21("1","1","2","2","3","6","3","1") = "5"
    & skf21("1","1","2","2","3","6","4","1") = "5"
    & skf21("1","1","2","2","3","6","5","1") = "5"
    & skf21("1","1","2","2","3","6","6","1") = "5"
    & skf21("1","1","2","2","3","6","7","1") = "6"
    & skf21("1","1","2","2","3","7","1","1") = "6"
    & skf21("1","1","2","2","3","7","2","1") = "6"
    & skf21("1","1","2","2","3","7","3","1") = "6"
    & skf21("1","1","2","2","3","7","4","1") = "6"
    & skf21("1","1","2","2","3","7","5","1") = "6"
    & skf21("1","1","2","2","3","7","6","1") = "6"
    & skf21("1","1","2","2","3","7","7","1") = "6"
    & skf21("1","1","2","2","4","1","1","1") = "3"
    & skf21("1","1","2","2","4","1","2","1") = "3"
    & skf21("1","1","2","2","4","1","3","1") = "3"
    & skf21("1","1","2","2","4","1","4","1") = "3"
    & skf21("1","1","2","2","4","1","5","1") = "4"
    & skf21("1","1","2","2","4","1","6","1") = "5"
    & skf21("1","1","2","2","4","1","7","1") = "6"
    & skf21("1","1","2","2","4","2","1","1") = "3"
    & skf21("1","1","2","2","4","2","2","1") = "3"
    & skf21("1","1","2","2","4","2","3","1") = "3"
    & skf21("1","1","2","2","4","2","4","1") = "3"
    & skf21("1","1","2","2","4","2","5","1") = "4"
    & skf21("1","1","2","2","4","2","6","1") = "5"
    & skf21("1","1","2","2","4","2","7","1") = "6"
    & skf21("1","1","2","2","4","3","1","1") = "3"
    & skf21("1","1","2","2","4","3","2","1") = "3"
    & skf21("1","1","2","2","4","3","3","1") = "3"
    & skf21("1","1","2","2","4","3","4","1") = "3"
    & skf21("1","1","2","2","4","3","5","1") = "4"
    & skf21("1","1","2","2","4","3","6","1") = "5"
    & skf21("1","1","2","2","4","3","7","1") = "6"
    & skf21("1","1","2","2","4","4","1","1") = "3"
    & skf21("1","1","2","2","4","4","2","1") = "3"
    & skf21("1","1","2","2","4","4","3","1") = "3"
    & skf21("1","1","2","2","4","4","4","1") = "3"
    & skf21("1","1","2","2","4","4","5","1") = "4"
    & skf21("1","1","2","2","4","4","6","1") = "5"
    & skf21("1","1","2","2","4","4","7","1") = "6"
    & skf21("1","1","2","2","4","5","1","1") = "4"
    & skf21("1","1","2","2","4","5","2","1") = "4"
    & skf21("1","1","2","2","4","5","3","1") = "4"
    & skf21("1","1","2","2","4","5","4","1") = "4"
    & skf21("1","1","2","2","4","5","5","1") = "4"
    & skf21("1","1","2","2","4","5","6","1") = "5"
    & skf21("1","1","2","2","4","5","7","1") = "6"
    & skf21("1","1","2","2","4","6","1","1") = "5"
    & skf21("1","1","2","2","4","6","2","1") = "5"
    & skf21("1","1","2","2","4","6","3","1") = "5"
    & skf21("1","1","2","2","4","6","4","1") = "5"
    & skf21("1","1","2","2","4","6","5","1") = "5"
    & skf21("1","1","2","2","4","6","6","1") = "5"
    & skf21("1","1","2","2","4","6","7","1") = "6"
    & skf21("1","1","2","2","4","7","1","1") = "6"
    & skf21("1","1","2","2","4","7","2","1") = "6"
    & skf21("1","1","2","2","4","7","3","1") = "6"
    & skf21("1","1","2","2","4","7","4","1") = "6"
    & skf21("1","1","2","2","4","7","5","1") = "6"
    & skf21("1","1","2","2","4","7","6","1") = "6"
    & skf21("1","1","2","2","4","7","7","1") = "6"
    & skf21("1","1","2","2","5","1","1","1") = "4"
    & skf21("1","1","2","2","5","1","2","1") = "4"
    & skf21("1","1","2","2","5","1","3","1") = "4"
    & skf21("1","1","2","2","5","1","4","1") = "4"
    & skf21("1","1","2","2","5","1","5","1") = "4"
    & skf21("1","1","2","2","5","1","6","1") = "5"
    & skf21("1","1","2","2","5","1","7","1") = "6"
    & skf21("1","1","2","2","5","2","1","1") = "4"
    & skf21("1","1","2","2","5","2","2","1") = "4"
    & skf21("1","1","2","2","5","2","3","1") = "4"
    & skf21("1","1","2","2","5","2","4","1") = "4"
    & skf21("1","1","2","2","5","2","5","1") = "4"
    & skf21("1","1","2","2","5","2","6","1") = "5"
    & skf21("1","1","2","2","5","2","7","1") = "6"
    & skf21("1","1","2","2","5","3","1","1") = "4"
    & skf21("1","1","2","2","5","3","2","1") = "4"
    & skf21("1","1","2","2","5","3","3","1") = "4"
    & skf21("1","1","2","2","5","3","4","1") = "4"
    & skf21("1","1","2","2","5","3","5","1") = "4"
    & skf21("1","1","2","2","5","3","6","1") = "5"
    & skf21("1","1","2","2","5","3","7","1") = "6"
    & skf21("1","1","2","2","5","4","1","1") = "4"
    & skf21("1","1","2","2","5","4","2","1") = "4"
    & skf21("1","1","2","2","5","4","3","1") = "4"
    & skf21("1","1","2","2","5","4","4","1") = "4"
    & skf21("1","1","2","2","5","4","5","1") = "4"
    & skf21("1","1","2","2","5","4","6","1") = "5"
    & skf21("1","1","2","2","5","4","7","1") = "6"
    & skf21("1","1","2","2","5","5","1","1") = "4"
    & skf21("1","1","2","2","5","5","2","1") = "4"
    & skf21("1","1","2","2","5","5","3","1") = "4"
    & skf21("1","1","2","2","5","5","4","1") = "4"
    & skf21("1","1","2","2","5","5","5","1") = "4"
    & skf21("1","1","2","2","5","5","6","1") = "5"
    & skf21("1","1","2","2","5","5","7","1") = "6"
    & skf21("1","1","2","2","5","6","1","1") = "5"
    & skf21("1","1","2","2","5","6","2","1") = "5"
    & skf21("1","1","2","2","5","6","3","1") = "5"
    & skf21("1","1","2","2","5","6","4","1") = "5"
    & skf21("1","1","2","2","5","6","5","1") = "5"
    & skf21("1","1","2","2","5","6","6","1") = "5"
    & skf21("1","1","2","2","5","6","7","1") = "6"
    & skf21("1","1","2","2","5","7","1","1") = "6"
    & skf21("1","1","2","2","5","7","2","1") = "6"
    & skf21("1","1","2","2","5","7","3","1") = "6"
    & skf21("1","1","2","2","5","7","4","1") = "6"
    & skf21("1","1","2","2","5","7","5","1") = "6"
    & skf21("1","1","2","2","5","7","6","1") = "6"
    & skf21("1","1","2","2","5","7","7","1") = "6"
    & skf21("1","1","2","2","6","1","1","1") = "5"
    & skf21("1","1","2","2","6","1","2","1") = "5"
    & skf21("1","1","2","2","6","1","3","1") = "5"
    & skf21("1","1","2","2","6","1","4","1") = "5"
    & skf21("1","1","2","2","6","1","5","1") = "5"
    & skf21("1","1","2","2","6","1","6","1") = "5"
    & skf21("1","1","2","2","6","1","7","1") = "6"
    & skf21("1","1","2","2","6","2","1","1") = "5"
    & skf21("1","1","2","2","6","2","2","1") = "5"
    & skf21("1","1","2","2","6","2","3","1") = "5"
    & skf21("1","1","2","2","6","2","4","1") = "5"
    & skf21("1","1","2","2","6","2","5","1") = "5"
    & skf21("1","1","2","2","6","2","6","1") = "5"
    & skf21("1","1","2","2","6","2","7","1") = "6"
    & skf21("1","1","2","2","6","3","1","1") = "5"
    & skf21("1","1","2","2","6","3","2","1") = "5"
    & skf21("1","1","2","2","6","3","3","1") = "5"
    & skf21("1","1","2","2","6","3","4","1") = "5"
    & skf21("1","1","2","2","6","3","5","1") = "5"
    & skf21("1","1","2","2","6","3","6","1") = "5"
    & skf21("1","1","2","2","6","3","7","1") = "6"
    & skf21("1","1","2","2","6","4","1","1") = "5"
    & skf21("1","1","2","2","6","4","2","1") = "5"
    & skf21("1","1","2","2","6","4","3","1") = "5"
    & skf21("1","1","2","2","6","4","4","1") = "5"
    & skf21("1","1","2","2","6","4","5","1") = "5"
    & skf21("1","1","2","2","6","4","6","1") = "5"
    & skf21("1","1","2","2","6","4","7","1") = "6"
    & skf21("1","1","2","2","6","5","1","1") = "5"
    & skf21("1","1","2","2","6","5","2","1") = "5"
    & skf21("1","1","2","2","6","5","3","1") = "5"
    & skf21("1","1","2","2","6","5","4","1") = "5"
    & skf21("1","1","2","2","6","5","5","1") = "5"
    & skf21("1","1","2","2","6","5","6","1") = "5"
    & skf21("1","1","2","2","6","5","7","1") = "6"
    & skf21("1","1","2","2","6","6","1","1") = "5"
    & skf21("1","1","2","2","6","6","2","1") = "5"
    & skf21("1","1","2","2","6","6","3","1") = "5"
    & skf21("1","1","2","2","6","6","4","1") = "5"
    & skf21("1","1","2","2","6","6","5","1") = "5"
    & skf21("1","1","2","2","6","6","6","1") = "5"
    & skf21("1","1","2","2","6","6","7","1") = "6"
    & skf21("1","1","2","2","6","7","1","1") = "6"
    & skf21("1","1","2","2","6","7","2","1") = "6"
    & skf21("1","1","2","2","6","7","3","1") = "6"
    & skf21("1","1","2","2","6","7","4","1") = "6"
    & skf21("1","1","2","2","6","7","5","1") = "6"
    & skf21("1","1","2","2","6","7","6","1") = "6"
    & skf21("1","1","2","2","6","7","7","1") = "6"
    & skf21("1","1","2","2","7","1","1","1") = "6"
    & skf21("1","1","2","2","7","1","2","1") = "6"
    & skf21("1","1","2","2","7","1","3","1") = "6"
    & skf21("1","1","2","2","7","1","4","1") = "6"
    & skf21("1","1","2","2","7","1","5","1") = "6"
    & skf21("1","1","2","2","7","1","6","1") = "6"
    & skf21("1","1","2","2","7","1","7","1") = "6"
    & skf21("1","1","2","2","7","2","1","1") = "6"
    & skf21("1","1","2","2","7","2","2","1") = "6"
    & skf21("1","1","2","2","7","2","3","1") = "6"
    & skf21("1","1","2","2","7","2","4","1") = "6"
    & skf21("1","1","2","2","7","2","5","1") = "6"
    & skf21("1","1","2","2","7","2","6","1") = "6"
    & skf21("1","1","2","2","7","2","7","1") = "6"
    & skf21("1","1","2","2","7","3","1","1") = "6"
    & skf21("1","1","2","2","7","3","2","1") = "6"
    & skf21("1","1","2","2","7","3","3","1") = "6"
    & skf21("1","1","2","2","7","3","4","1") = "6"
    & skf21("1","1","2","2","7","3","5","1") = "6"
    & skf21("1","1","2","2","7","3","6","1") = "6"
    & skf21("1","1","2","2","7","3","7","1") = "6"
    & skf21("1","1","2","2","7","4","1","1") = "6"
    & skf21("1","1","2","2","7","4","2","1") = "6"
    & skf21("1","1","2","2","7","4","3","1") = "6"
    & skf21("1","1","2","2","7","4","4","1") = "6"
    & skf21("1","1","2","2","7","4","5","1") = "6"
    & skf21("1","1","2","2","7","4","6","1") = "6"
    & skf21("1","1","2","2","7","4","7","1") = "6"
    & skf21("1","1","2","2","7","5","1","1") = "6"
    & skf21("1","1","2","2","7","5","2","1") = "6"
    & skf21("1","1","2","2","7","5","3","1") = "6"
    & skf21("1","1","2","2","7","5","4","1") = "6"
    & skf21("1","1","2","2","7","5","5","1") = "6"
    & skf21("1","1","2","2","7","5","6","1") = "6"
    & skf21("1","1","2","2","7","5","7","1") = "6"
    & skf21("1","1","2","2","7","6","1","1") = "6"
    & skf21("1","1","2","2","7","6","2","1") = "6"
    & skf21("1","1","2","2","7","6","3","1") = "6"
    & skf21("1","1","2","2","7","6","4","1") = "6"
    & skf21("1","1","2","2","7","6","5","1") = "6"
    & skf21("1","1","2","2","7","6","6","1") = "6"
    & skf21("1","1","2","2","7","6","7","1") = "6"
    & skf21("1","1","2","2","7","7","1","1") = "6"
    & skf21("1","1","2","2","7","7","2","1") = "6"
    & skf21("1","1","2","2","7","7","3","1") = "6"
    & skf21("1","1","2","2","7","7","4","1") = "6"
    & skf21("1","1","2","2","7","7","5","1") = "6"
    & skf21("1","1","2","2","7","7","6","1") = "6"
    & skf21("1","1","2","2","7","7","7","1") = "6"
    & skf21("1","1","2","3","1","1","1","1") = "2"
    & skf21("1","1","2","3","1","1","2","1") = "2"
    & skf21("1","1","2","3","1","1","3","1") = "2"
    & skf21("1","1","2","3","1","1","4","1") = "3"
    & skf21("1","1","2","3","1","1","5","1") = "4"
    & skf21("1","1","2","3","1","1","6","1") = "5"
    & skf21("1","1","2","3","1","1","7","1") = "6"
    & skf21("1","1","2","3","1","2","1","1") = "2"
    & skf21("1","1","2","3","1","2","2","1") = "2"
    & skf21("1","1","2","3","1","2","3","1") = "2"
    & skf21("1","1","2","3","1","2","4","1") = "3"
    & skf21("1","1","2","3","1","2","5","1") = "4"
    & skf21("1","1","2","3","1","2","6","1") = "5"
    & skf21("1","1","2","3","1","2","7","1") = "6"
    & skf21("1","1","2","3","1","3","1","1") = "2"
    & skf21("1","1","2","3","1","3","2","1") = "2"
    & skf21("1","1","2","3","1","3","3","1") = "2"
    & skf21("1","1","2","3","1","3","4","1") = "3"
    & skf21("1","1","2","3","1","3","5","1") = "4"
    & skf21("1","1","2","3","1","3","6","1") = "5"
    & skf21("1","1","2","3","1","3","7","1") = "6"
    & skf21("1","1","2","3","1","4","1","1") = "3"
    & skf21("1","1","2","3","1","4","2","1") = "3"
    & skf21("1","1","2","3","1","4","3","1") = "3"
    & skf21("1","1","2","3","1","4","4","1") = "3"
    & skf21("1","1","2","3","1","4","5","1") = "4"
    & skf21("1","1","2","3","1","4","6","1") = "5"
    & skf21("1","1","2","3","1","4","7","1") = "6"
    & skf21("1","1","2","3","1","5","1","1") = "4"
    & skf21("1","1","2","3","1","5","2","1") = "4"
    & skf21("1","1","2","3","1","5","3","1") = "4"
    & skf21("1","1","2","3","1","5","4","1") = "4"
    & skf21("1","1","2","3","1","5","5","1") = "4"
    & skf21("1","1","2","3","1","5","6","1") = "5"
    & skf21("1","1","2","3","1","5","7","1") = "6"
    & skf21("1","1","2","3","1","6","1","1") = "5"
    & skf21("1","1","2","3","1","6","2","1") = "5"
    & skf21("1","1","2","3","1","6","3","1") = "5"
    & skf21("1","1","2","3","1","6","4","1") = "5"
    & skf21("1","1","2","3","1","6","5","1") = "5"
    & skf21("1","1","2","3","1","6","6","1") = "5"
    & skf21("1","1","2","3","1","6","7","1") = "6"
    & skf21("1","1","2","3","1","7","1","1") = "6"
    & skf21("1","1","2","3","1","7","2","1") = "6"
    & skf21("1","1","2","3","1","7","3","1") = "6"
    & skf21("1","1","2","3","1","7","4","1") = "6"
    & skf21("1","1","2","3","1","7","5","1") = "6"
    & skf21("1","1","2","3","1","7","6","1") = "6"
    & skf21("1","1","2","3","1","7","7","1") = "6"
    & skf21("1","1","2","3","2","1","1","1") = "2"
    & skf21("1","1","2","3","2","1","2","1") = "2"
    & skf21("1","1","2","3","2","1","3","1") = "2"
    & skf21("1","1","2","3","2","1","4","1") = "3"
    & skf21("1","1","2","3","2","1","5","1") = "4"
    & skf21("1","1","2","3","2","1","6","1") = "5"
    & skf21("1","1","2","3","2","1","7","1") = "6"
    & skf21("1","1","2","3","2","2","1","1") = "2"
    & skf21("1","1","2","3","2","2","2","1") = "2"
    & skf21("1","1","2","3","2","2","3","1") = "2"
    & skf21("1","1","2","3","2","2","4","1") = "3"
    & skf21("1","1","2","3","2","2","5","1") = "4"
    & skf21("1","1","2","3","2","2","6","1") = "5"
    & skf21("1","1","2","3","2","2","7","1") = "6"
    & skf21("1","1","2","3","2","3","1","1") = "2"
    & skf21("1","1","2","3","2","3","2","1") = "2"
    & skf21("1","1","2","3","2","3","3","1") = "2"
    & skf21("1","1","2","3","2","3","4","1") = "3"
    & skf21("1","1","2","3","2","3","5","1") = "4"
    & skf21("1","1","2","3","2","3","6","1") = "5"
    & skf21("1","1","2","3","2","3","7","1") = "6"
    & skf21("1","1","2","3","2","4","1","1") = "3"
    & skf21("1","1","2","3","2","4","2","1") = "3"
    & skf21("1","1","2","3","2","4","3","1") = "3"
    & skf21("1","1","2","3","2","4","4","1") = "3"
    & skf21("1","1","2","3","2","4","5","1") = "4"
    & skf21("1","1","2","3","2","4","6","1") = "5"
    & skf21("1","1","2","3","2","4","7","1") = "6"
    & skf21("1","1","2","3","2","5","1","1") = "4"
    & skf21("1","1","2","3","2","5","2","1") = "4"
    & skf21("1","1","2","3","2","5","3","1") = "4"
    & skf21("1","1","2","3","2","5","4","1") = "4"
    & skf21("1","1","2","3","2","5","5","1") = "4"
    & skf21("1","1","2","3","2","5","6","1") = "5"
    & skf21("1","1","2","3","2","5","7","1") = "6"
    & skf21("1","1","2","3","2","6","1","1") = "5"
    & skf21("1","1","2","3","2","6","2","1") = "5"
    & skf21("1","1","2","3","2","6","3","1") = "5"
    & skf21("1","1","2","3","2","6","4","1") = "5"
    & skf21("1","1","2","3","2","6","5","1") = "5"
    & skf21("1","1","2","3","2","6","6","1") = "5"
    & skf21("1","1","2","3","2","6","7","1") = "6"
    & skf21("1","1","2","3","2","7","1","1") = "6"
    & skf21("1","1","2","3","2","7","2","1") = "6"
    & skf21("1","1","2","3","2","7","3","1") = "6"
    & skf21("1","1","2","3","2","7","4","1") = "6"
    & skf21("1","1","2","3","2","7","5","1") = "6"
    & skf21("1","1","2","3","2","7","6","1") = "6"
    & skf21("1","1","2","3","2","7","7","1") = "6"
    & skf21("1","1","2","3","3","1","1","1") = "2"
    & skf21("1","1","2","3","3","1","2","1") = "2"
    & skf21("1","1","2","3","3","1","3","1") = "2"
    & skf21("1","1","2","3","3","1","4","1") = "3"
    & skf21("1","1","2","3","3","1","5","1") = "4"
    & skf21("1","1","2","3","3","1","6","1") = "5"
    & skf21("1","1","2","3","3","1","7","1") = "6"
    & skf21("1","1","2","3","3","2","1","1") = "2"
    & skf21("1","1","2","3","3","2","2","1") = "2"
    & skf21("1","1","2","3","3","2","3","1") = "2"
    & skf21("1","1","2","3","3","2","4","1") = "3"
    & skf21("1","1","2","3","3","2","5","1") = "4"
    & skf21("1","1","2","3","3","2","6","1") = "5"
    & skf21("1","1","2","3","3","2","7","1") = "6"
    & skf21("1","1","2","3","3","3","1","1") = "2"
    & skf21("1","1","2","3","3","3","2","1") = "2"
    & skf21("1","1","2","3","3","3","3","1") = "2"
    & skf21("1","1","2","3","3","3","4","1") = "3"
    & skf21("1","1","2","3","3","3","5","1") = "4"
    & skf21("1","1","2","3","3","3","6","1") = "5"
    & skf21("1","1","2","3","3","3","7","1") = "6"
    & skf21("1","1","2","3","3","4","1","1") = "3"
    & skf21("1","1","2","3","3","4","2","1") = "3"
    & skf21("1","1","2","3","3","4","3","1") = "3"
    & skf21("1","1","2","3","3","4","4","1") = "3"
    & skf21("1","1","2","3","3","4","5","1") = "4"
    & skf21("1","1","2","3","3","4","6","1") = "5"
    & skf21("1","1","2","3","3","4","7","1") = "6"
    & skf21("1","1","2","3","3","5","1","1") = "4"
    & skf21("1","1","2","3","3","5","2","1") = "4"
    & skf21("1","1","2","3","3","5","3","1") = "4"
    & skf21("1","1","2","3","3","5","4","1") = "4"
    & skf21("1","1","2","3","3","5","5","1") = "4"
    & skf21("1","1","2","3","3","5","6","1") = "5"
    & skf21("1","1","2","3","3","5","7","1") = "6"
    & skf21("1","1","2","3","3","6","1","1") = "5"
    & skf21("1","1","2","3","3","6","2","1") = "5"
    & skf21("1","1","2","3","3","6","3","1") = "5"
    & skf21("1","1","2","3","3","6","4","1") = "5"
    & skf21("1","1","2","3","3","6","5","1") = "5"
    & skf21("1","1","2","3","3","6","6","1") = "5"
    & skf21("1","1","2","3","3","6","7","1") = "6"
    & skf21("1","1","2","3","3","7","1","1") = "6"
    & skf21("1","1","2","3","3","7","2","1") = "6"
    & skf21("1","1","2","3","3","7","3","1") = "6"
    & skf21("1","1","2","3","3","7","4","1") = "6"
    & skf21("1","1","2","3","3","7","5","1") = "6"
    & skf21("1","1","2","3","3","7","6","1") = "6"
    & skf21("1","1","2","3","3","7","7","1") = "6"
    & skf21("1","1","2","3","4","1","1","1") = "3"
    & skf21("1","1","2","3","4","1","2","1") = "3"
    & skf21("1","1","2","3","4","1","3","1") = "3"
    & skf21("1","1","2","3","4","1","4","1") = "3"
    & skf21("1","1","2","3","4","1","5","1") = "4"
    & skf21("1","1","2","3","4","1","6","1") = "5"
    & skf21("1","1","2","3","4","1","7","1") = "6"
    & skf21("1","1","2","3","4","2","1","1") = "3"
    & skf21("1","1","2","3","4","2","2","1") = "3"
    & skf21("1","1","2","3","4","2","3","1") = "3"
    & skf21("1","1","2","3","4","2","4","1") = "3"
    & skf21("1","1","2","3","4","2","5","1") = "4"
    & skf21("1","1","2","3","4","2","6","1") = "5"
    & skf21("1","1","2","3","4","2","7","1") = "6"
    & skf21("1","1","2","3","4","3","1","1") = "3"
    & skf21("1","1","2","3","4","3","2","1") = "3"
    & skf21("1","1","2","3","4","3","3","1") = "3"
    & skf21("1","1","2","3","4","3","4","1") = "3"
    & skf21("1","1","2","3","4","3","5","1") = "4"
    & skf21("1","1","2","3","4","3","6","1") = "5"
    & skf21("1","1","2","3","4","3","7","1") = "6"
    & skf21("1","1","2","3","4","4","1","1") = "3"
    & skf21("1","1","2","3","4","4","2","1") = "3"
    & skf21("1","1","2","3","4","4","3","1") = "3"
    & skf21("1","1","2","3","4","4","4","1") = "3"
    & skf21("1","1","2","3","4","4","5","1") = "4"
    & skf21("1","1","2","3","4","4","6","1") = "5"
    & skf21("1","1","2","3","4","4","7","1") = "6"
    & skf21("1","1","2","3","4","5","1","1") = "4"
    & skf21("1","1","2","3","4","5","2","1") = "4"
    & skf21("1","1","2","3","4","5","3","1") = "4"
    & skf21("1","1","2","3","4","5","4","1") = "4"
    & skf21("1","1","2","3","4","5","5","1") = "4"
    & skf21("1","1","2","3","4","5","6","1") = "5"
    & skf21("1","1","2","3","4","5","7","1") = "6"
    & skf21("1","1","2","3","4","6","1","1") = "5"
    & skf21("1","1","2","3","4","6","2","1") = "5"
    & skf21("1","1","2","3","4","6","3","1") = "5"
    & skf21("1","1","2","3","4","6","4","1") = "5"
    & skf21("1","1","2","3","4","6","5","1") = "5"
    & skf21("1","1","2","3","4","6","6","1") = "5"
    & skf21("1","1","2","3","4","6","7","1") = "6"
    & skf21("1","1","2","3","4","7","1","1") = "6"
    & skf21("1","1","2","3","4","7","2","1") = "6"
    & skf21("1","1","2","3","4","7","3","1") = "6"
    & skf21("1","1","2","3","4","7","4","1") = "6"
    & skf21("1","1","2","3","4","7","5","1") = "6"
    & skf21("1","1","2","3","4","7","6","1") = "6"
    & skf21("1","1","2","3","4","7","7","1") = "6"
    & skf21("1","1","2","3","5","1","1","1") = "4"
    & skf21("1","1","2","3","5","1","2","1") = "4"
    & skf21("1","1","2","3","5","1","3","1") = "4"
    & skf21("1","1","2","3","5","1","4","1") = "4"
    & skf21("1","1","2","3","5","1","5","1") = "4"
    & skf21("1","1","2","3","5","1","6","1") = "5"
    & skf21("1","1","2","3","5","1","7","1") = "6"
    & skf21("1","1","2","3","5","2","1","1") = "4"
    & skf21("1","1","2","3","5","2","2","1") = "4"
    & skf21("1","1","2","3","5","2","3","1") = "4"
    & skf21("1","1","2","3","5","2","4","1") = "4"
    & skf21("1","1","2","3","5","2","5","1") = "4"
    & skf21("1","1","2","3","5","2","6","1") = "5"
    & skf21("1","1","2","3","5","2","7","1") = "6"
    & skf21("1","1","2","3","5","3","1","1") = "4"
    & skf21("1","1","2","3","5","3","2","1") = "4"
    & skf21("1","1","2","3","5","3","3","1") = "4"
    & skf21("1","1","2","3","5","3","4","1") = "4"
    & skf21("1","1","2","3","5","3","5","1") = "4"
    & skf21("1","1","2","3","5","3","6","1") = "5"
    & skf21("1","1","2","3","5","3","7","1") = "6"
    & skf21("1","1","2","3","5","4","1","1") = "4"
    & skf21("1","1","2","3","5","4","2","1") = "4"
    & skf21("1","1","2","3","5","4","3","1") = "4"
    & skf21("1","1","2","3","5","4","4","1") = "4"
    & skf21("1","1","2","3","5","4","5","1") = "4"
    & skf21("1","1","2","3","5","4","6","1") = "5"
    & skf21("1","1","2","3","5","4","7","1") = "6"
    & skf21("1","1","2","3","5","5","1","1") = "4"
    & skf21("1","1","2","3","5","5","2","1") = "4"
    & skf21("1","1","2","3","5","5","3","1") = "4"
    & skf21("1","1","2","3","5","5","4","1") = "4"
    & skf21("1","1","2","3","5","5","5","1") = "4"
    & skf21("1","1","2","3","5","5","6","1") = "5"
    & skf21("1","1","2","3","5","5","7","1") = "6"
    & skf21("1","1","2","3","5","6","1","1") = "5"
    & skf21("1","1","2","3","5","6","2","1") = "5"
    & skf21("1","1","2","3","5","6","3","1") = "5"
    & skf21("1","1","2","3","5","6","4","1") = "5"
    & skf21("1","1","2","3","5","6","5","1") = "5"
    & skf21("1","1","2","3","5","6","6","1") = "5"
    & skf21("1","1","2","3","5","6","7","1") = "6"
    & skf21("1","1","2","3","5","7","1","1") = "6"
    & skf21("1","1","2","3","5","7","2","1") = "6"
    & skf21("1","1","2","3","5","7","3","1") = "6"
    & skf21("1","1","2","3","5","7","4","1") = "6"
    & skf21("1","1","2","3","5","7","5","1") = "6"
    & skf21("1","1","2","3","5","7","6","1") = "6"
    & skf21("1","1","2","3","5","7","7","1") = "6"
    & skf21("1","1","2","3","6","1","1","1") = "5"
    & skf21("1","1","2","3","6","1","2","1") = "5"
    & skf21("1","1","2","3","6","1","3","1") = "5"
    & skf21("1","1","2","3","6","1","4","1") = "5"
    & skf21("1","1","2","3","6","1","5","1") = "5"
    & skf21("1","1","2","3","6","1","6","1") = "5"
    & skf21("1","1","2","3","6","1","7","1") = "6"
    & skf21("1","1","2","3","6","2","1","1") = "5"
    & skf21("1","1","2","3","6","2","2","1") = "5"
    & skf21("1","1","2","3","6","2","3","1") = "5"
    & skf21("1","1","2","3","6","2","4","1") = "5"
    & skf21("1","1","2","3","6","2","5","1") = "5"
    & skf21("1","1","2","3","6","2","6","1") = "5"
    & skf21("1","1","2","3","6","2","7","1") = "6"
    & skf21("1","1","2","3","6","3","1","1") = "5"
    & skf21("1","1","2","3","6","3","2","1") = "5"
    & skf21("1","1","2","3","6","3","3","1") = "5"
    & skf21("1","1","2","3","6","3","4","1") = "5"
    & skf21("1","1","2","3","6","3","5","1") = "5"
    & skf21("1","1","2","3","6","3","6","1") = "5"
    & skf21("1","1","2","3","6","3","7","1") = "6"
    & skf21("1","1","2","3","6","4","1","1") = "5"
    & skf21("1","1","2","3","6","4","2","1") = "5"
    & skf21("1","1","2","3","6","4","3","1") = "5"
    & skf21("1","1","2","3","6","4","4","1") = "5"
    & skf21("1","1","2","3","6","4","5","1") = "5"
    & skf21("1","1","2","3","6","4","6","1") = "5"
    & skf21("1","1","2","3","6","4","7","1") = "6"
    & skf21("1","1","2","3","6","5","1","1") = "5"
    & skf21("1","1","2","3","6","5","2","1") = "5"
    & skf21("1","1","2","3","6","5","3","1") = "5"
    & skf21("1","1","2","3","6","5","4","1") = "5"
    & skf21("1","1","2","3","6","5","5","1") = "5"
    & skf21("1","1","2","3","6","5","6","1") = "5"
    & skf21("1","1","2","3","6","5","7","1") = "6"
    & skf21("1","1","2","3","6","6","1","1") = "5"
    & skf21("1","1","2","3","6","6","2","1") = "5"
    & skf21("1","1","2","3","6","6","3","1") = "5"
    & skf21("1","1","2","3","6","6","4","1") = "5"
    & skf21("1","1","2","3","6","6","5","1") = "5"
    & skf21("1","1","2","3","6","6","6","1") = "5"
    & skf21("1","1","2","3","6","6","7","1") = "6"
    & skf21("1","1","2","3","6","7","1","1") = "6"
    & skf21("1","1","2","3","6","7","2","1") = "6"
    & skf21("1","1","2","3","6","7","3","1") = "6"
    & skf21("1","1","2","3","6","7","4","1") = "6"
    & skf21("1","1","2","3","6","7","5","1") = "6"
    & skf21("1","1","2","3","6","7","6","1") = "6"
    & skf21("1","1","2","3","6","7","7","1") = "6"
    & skf21("1","1","2","3","7","1","1","1") = "6"
    & skf21("1","1","2","3","7","1","2","1") = "6"
    & skf21("1","1","2","3","7","1","3","1") = "6"
    & skf21("1","1","2","3","7","1","4","1") = "6"
    & skf21("1","1","2","3","7","1","5","1") = "6"
    & skf21("1","1","2","3","7","1","6","1") = "6"
    & skf21("1","1","2","3","7","1","7","1") = "6"
    & skf21("1","1","2","3","7","2","1","1") = "6"
    & skf21("1","1","2","3","7","2","2","1") = "6"
    & skf21("1","1","2","3","7","2","3","1") = "6"
    & skf21("1","1","2","3","7","2","4","1") = "6"
    & skf21("1","1","2","3","7","2","5","1") = "6"
    & skf21("1","1","2","3","7","2","6","1") = "6"
    & skf21("1","1","2","3","7","2","7","1") = "6"
    & skf21("1","1","2","3","7","3","1","1") = "6"
    & skf21("1","1","2","3","7","3","2","1") = "6"
    & skf21("1","1","2","3","7","3","3","1") = "6"
    & skf21("1","1","2","3","7","3","4","1") = "6"
    & skf21("1","1","2","3","7","3","5","1") = "6"
    & skf21("1","1","2","3","7","3","6","1") = "6"
    & skf21("1","1","2","3","7","3","7","1") = "6"
    & skf21("1","1","2","3","7","4","1","1") = "6"
    & skf21("1","1","2","3","7","4","2","1") = "6"
    & skf21("1","1","2","3","7","4","3","1") = "6"
    & skf21("1","1","2","3","7","4","4","1") = "6"
    & skf21("1","1","2","3","7","4","5","1") = "6"
    & skf21("1","1","2","3","7","4","6","1") = "6"
    & skf21("1","1","2","3","7","4","7","1") = "6"
    & skf21("1","1","2","3","7","5","1","1") = "6"
    & skf21("1","1","2","3","7","5","2","1") = "6"
    & skf21("1","1","2","3","7","5","3","1") = "6"
    & skf21("1","1","2","3","7","5","4","1") = "6"
    & skf21("1","1","2","3","7","5","5","1") = "6"
    & skf21("1","1","2","3","7","5","6","1") = "6"
    & skf21("1","1","2","3","7","5","7","1") = "6"
    & skf21("1","1","2","3","7","6","1","1") = "6"
    & skf21("1","1","2","3","7","6","2","1") = "6"
    & skf21("1","1","2","3","7","6","3","1") = "6"
    & skf21("1","1","2","3","7","6","4","1") = "6"
    & skf21("1","1","2","3","7","6","5","1") = "6"
    & skf21("1","1","2","3","7","6","6","1") = "6"
    & skf21("1","1","2","3","7","6","7","1") = "6"
    & skf21("1","1","2","3","7","7","1","1") = "6"
    & skf21("1","1","2","3","7","7","2","1") = "6"
    & skf21("1","1","2","3","7","7","3","1") = "6"
    & skf21("1","1","2","3","7","7","4","1") = "6"
    & skf21("1","1","2","3","7","7","5","1") = "6"
    & skf21("1","1","2","3","7","7","6","1") = "6"
    & skf21("1","1","2","3","7","7","7","1") = "6"
    & skf21("1","1","2","4","1","1","1","1") = "3"
    & skf21("1","1","2","4","1","1","2","1") = "3"
    & skf21("1","1","2","4","1","1","3","1") = "3"
    & skf21("1","1","2","4","1","1","4","1") = "3"
    & skf21("1","1","2","4","1","1","5","1") = "4"
    & skf21("1","1","2","4","1","1","6","1") = "5"
    & skf21("1","1","2","4","1","1","7","1") = "6"
    & skf21("1","1","2","4","1","2","1","1") = "3"
    & skf21("1","1","2","4","1","2","2","1") = "3"
    & skf21("1","1","2","4","1","2","3","1") = "3"
    & skf21("1","1","2","4","1","2","4","1") = "3"
    & skf21("1","1","2","4","1","2","5","1") = "4"
    & skf21("1","1","2","4","1","2","6","1") = "5"
    & skf21("1","1","2","4","1","2","7","1") = "6"
    & skf21("1","1","2","4","1","3","1","1") = "3"
    & skf21("1","1","2","4","1","3","2","1") = "3"
    & skf21("1","1","2","4","1","3","3","1") = "3"
    & skf21("1","1","2","4","1","3","4","1") = "3"
    & skf21("1","1","2","4","1","3","5","1") = "4"
    & skf21("1","1","2","4","1","3","6","1") = "5"
    & skf21("1","1","2","4","1","3","7","1") = "6"
    & skf21("1","1","2","4","1","4","1","1") = "3"
    & skf21("1","1","2","4","1","4","2","1") = "3"
    & skf21("1","1","2","4","1","4","3","1") = "3"
    & skf21("1","1","2","4","1","4","4","1") = "3"
    & skf21("1","1","2","4","1","4","5","1") = "4"
    & skf21("1","1","2","4","1","4","6","1") = "5"
    & skf21("1","1","2","4","1","4","7","1") = "6"
    & skf21("1","1","2","4","1","5","1","1") = "4"
    & skf21("1","1","2","4","1","5","2","1") = "4"
    & skf21("1","1","2","4","1","5","3","1") = "4"
    & skf21("1","1","2","4","1","5","4","1") = "4"
    & skf21("1","1","2","4","1","5","5","1") = "4"
    & skf21("1","1","2","4","1","5","6","1") = "5"
    & skf21("1","1","2","4","1","5","7","1") = "6"
    & skf21("1","1","2","4","1","6","1","1") = "5"
    & skf21("1","1","2","4","1","6","2","1") = "5"
    & skf21("1","1","2","4","1","6","3","1") = "5"
    & skf21("1","1","2","4","1","6","4","1") = "5"
    & skf21("1","1","2","4","1","6","5","1") = "5"
    & skf21("1","1","2","4","1","6","6","1") = "5"
    & skf21("1","1","2","4","1","6","7","1") = "6"
    & skf21("1","1","2","4","1","7","1","1") = "6"
    & skf21("1","1","2","4","1","7","2","1") = "6"
    & skf21("1","1","2","4","1","7","3","1") = "6"
    & skf21("1","1","2","4","1","7","4","1") = "6"
    & skf21("1","1","2","4","1","7","5","1") = "6"
    & skf21("1","1","2","4","1","7","6","1") = "6"
    & skf21("1","1","2","4","1","7","7","1") = "6"
    & skf21("1","1","2","4","2","1","1","1") = "3"
    & skf21("1","1","2","4","2","1","2","1") = "3"
    & skf21("1","1","2","4","2","1","3","1") = "3"
    & skf21("1","1","2","4","2","1","4","1") = "3"
    & skf21("1","1","2","4","2","1","5","1") = "4"
    & skf21("1","1","2","4","2","1","6","1") = "5"
    & skf21("1","1","2","4","2","1","7","1") = "6"
    & skf21("1","1","2","4","2","2","1","1") = "3"
    & skf21("1","1","2","4","2","2","2","1") = "3"
    & skf21("1","1","2","4","2","2","3","1") = "3"
    & skf21("1","1","2","4","2","2","4","1") = "3"
    & skf21("1","1","2","4","2","2","5","1") = "4"
    & skf21("1","1","2","4","2","2","6","1") = "5"
    & skf21("1","1","2","4","2","2","7","1") = "6"
    & skf21("1","1","2","4","2","3","1","1") = "3"
    & skf21("1","1","2","4","2","3","2","1") = "3"
    & skf21("1","1","2","4","2","3","3","1") = "3"
    & skf21("1","1","2","4","2","3","4","1") = "3"
    & skf21("1","1","2","4","2","3","5","1") = "4"
    & skf21("1","1","2","4","2","3","6","1") = "5"
    & skf21("1","1","2","4","2","3","7","1") = "6"
    & skf21("1","1","2","4","2","4","1","1") = "3"
    & skf21("1","1","2","4","2","4","2","1") = "3"
    & skf21("1","1","2","4","2","4","3","1") = "3"
    & skf21("1","1","2","4","2","4","4","1") = "3"
    & skf21("1","1","2","4","2","4","5","1") = "4"
    & skf21("1","1","2","4","2","4","6","1") = "5"
    & skf21("1","1","2","4","2","4","7","1") = "6"
    & skf21("1","1","2","4","2","5","1","1") = "4"
    & skf21("1","1","2","4","2","5","2","1") = "4"
    & skf21("1","1","2","4","2","5","3","1") = "4"
    & skf21("1","1","2","4","2","5","4","1") = "4"
    & skf21("1","1","2","4","2","5","5","1") = "4"
    & skf21("1","1","2","4","2","5","6","1") = "5"
    & skf21("1","1","2","4","2","5","7","1") = "6"
    & skf21("1","1","2","4","2","6","1","1") = "5"
    & skf21("1","1","2","4","2","6","2","1") = "5"
    & skf21("1","1","2","4","2","6","3","1") = "5"
    & skf21("1","1","2","4","2","6","4","1") = "5"
    & skf21("1","1","2","4","2","6","5","1") = "5"
    & skf21("1","1","2","4","2","6","6","1") = "5"
    & skf21("1","1","2","4","2","6","7","1") = "6"
    & skf21("1","1","2","4","2","7","1","1") = "6"
    & skf21("1","1","2","4","2","7","2","1") = "6"
    & skf21("1","1","2","4","2","7","3","1") = "6"
    & skf21("1","1","2","4","2","7","4","1") = "6"
    & skf21("1","1","2","4","2","7","5","1") = "6"
    & skf21("1","1","2","4","2","7","6","1") = "6"
    & skf21("1","1","2","4","2","7","7","1") = "6"
    & skf21("1","1","2","4","3","1","1","1") = "3"
    & skf21("1","1","2","4","3","1","2","1") = "3"
    & skf21("1","1","2","4","3","1","3","1") = "3"
    & skf21("1","1","2","4","3","1","4","1") = "3"
    & skf21("1","1","2","4","3","1","5","1") = "4"
    & skf21("1","1","2","4","3","1","6","1") = "5"
    & skf21("1","1","2","4","3","1","7","1") = "6"
    & skf21("1","1","2","4","3","2","1","1") = "3"
    & skf21("1","1","2","4","3","2","2","1") = "3"
    & skf21("1","1","2","4","3","2","3","1") = "3"
    & skf21("1","1","2","4","3","2","4","1") = "3"
    & skf21("1","1","2","4","3","2","5","1") = "4"
    & skf21("1","1","2","4","3","2","6","1") = "5"
    & skf21("1","1","2","4","3","2","7","1") = "6"
    & skf21("1","1","2","4","3","3","1","1") = "3"
    & skf21("1","1","2","4","3","3","2","1") = "3"
    & skf21("1","1","2","4","3","3","3","1") = "3"
    & skf21("1","1","2","4","3","3","4","1") = "3"
    & skf21("1","1","2","4","3","3","5","1") = "4"
    & skf21("1","1","2","4","3","3","6","1") = "5"
    & skf21("1","1","2","4","3","3","7","1") = "6"
    & skf21("1","1","2","4","3","4","1","1") = "3"
    & skf21("1","1","2","4","3","4","2","1") = "3"
    & skf21("1","1","2","4","3","4","3","1") = "3"
    & skf21("1","1","2","4","3","4","4","1") = "3"
    & skf21("1","1","2","4","3","4","5","1") = "4"
    & skf21("1","1","2","4","3","4","6","1") = "5"
    & skf21("1","1","2","4","3","4","7","1") = "6"
    & skf21("1","1","2","4","3","5","1","1") = "4"
    & skf21("1","1","2","4","3","5","2","1") = "4"
    & skf21("1","1","2","4","3","5","3","1") = "4"
    & skf21("1","1","2","4","3","5","4","1") = "4"
    & skf21("1","1","2","4","3","5","5","1") = "4"
    & skf21("1","1","2","4","3","5","6","1") = "5"
    & skf21("1","1","2","4","3","5","7","1") = "6"
    & skf21("1","1","2","4","3","6","1","1") = "5"
    & skf21("1","1","2","4","3","6","2","1") = "5"
    & skf21("1","1","2","4","3","6","3","1") = "5"
    & skf21("1","1","2","4","3","6","4","1") = "5"
    & skf21("1","1","2","4","3","6","5","1") = "5"
    & skf21("1","1","2","4","3","6","6","1") = "5"
    & skf21("1","1","2","4","3","6","7","1") = "6"
    & skf21("1","1","2","4","3","7","1","1") = "6"
    & skf21("1","1","2","4","3","7","2","1") = "6"
    & skf21("1","1","2","4","3","7","3","1") = "6"
    & skf21("1","1","2","4","3","7","4","1") = "6"
    & skf21("1","1","2","4","3","7","5","1") = "6"
    & skf21("1","1","2","4","3","7","6","1") = "6"
    & skf21("1","1","2","4","3","7","7","1") = "6"
    & skf21("1","1","2","4","4","1","1","1") = "3"
    & skf21("1","1","2","4","4","1","2","1") = "3"
    & skf21("1","1","2","4","4","1","3","1") = "3"
    & skf21("1","1","2","4","4","1","4","1") = "3"
    & skf21("1","1","2","4","4","1","5","1") = "4"
    & skf21("1","1","2","4","4","1","6","1") = "5"
    & skf21("1","1","2","4","4","1","7","1") = "6"
    & skf21("1","1","2","4","4","2","1","1") = "3"
    & skf21("1","1","2","4","4","2","2","1") = "3"
    & skf21("1","1","2","4","4","2","3","1") = "3"
    & skf21("1","1","2","4","4","2","4","1") = "3"
    & skf21("1","1","2","4","4","2","5","1") = "4"
    & skf21("1","1","2","4","4","2","6","1") = "5"
    & skf21("1","1","2","4","4","2","7","1") = "6"
    & skf21("1","1","2","4","4","3","1","1") = "3"
    & skf21("1","1","2","4","4","3","2","1") = "3"
    & skf21("1","1","2","4","4","3","3","1") = "3"
    & skf21("1","1","2","4","4","3","4","1") = "3"
    & skf21("1","1","2","4","4","3","5","1") = "4"
    & skf21("1","1","2","4","4","3","6","1") = "5"
    & skf21("1","1","2","4","4","3","7","1") = "6"
    & skf21("1","1","2","4","4","4","1","1") = "3"
    & skf21("1","1","2","4","4","4","2","1") = "3"
    & skf21("1","1","2","4","4","4","3","1") = "3"
    & skf21("1","1","2","4","4","4","4","1") = "3"
    & skf21("1","1","2","4","4","4","5","1") = "4"
    & skf21("1","1","2","4","4","4","6","1") = "5"
    & skf21("1","1","2","4","4","4","7","1") = "6"
    & skf21("1","1","2","4","4","5","1","1") = "4"
    & skf21("1","1","2","4","4","5","2","1") = "4"
    & skf21("1","1","2","4","4","5","3","1") = "4"
    & skf21("1","1","2","4","4","5","4","1") = "4"
    & skf21("1","1","2","4","4","5","5","1") = "4"
    & skf21("1","1","2","4","4","5","6","1") = "5"
    & skf21("1","1","2","4","4","5","7","1") = "6"
    & skf21("1","1","2","4","4","6","1","1") = "5"
    & skf21("1","1","2","4","4","6","2","1") = "5"
    & skf21("1","1","2","4","4","6","3","1") = "5"
    & skf21("1","1","2","4","4","6","4","1") = "5"
    & skf21("1","1","2","4","4","6","5","1") = "5"
    & skf21("1","1","2","4","4","6","6","1") = "5"
    & skf21("1","1","2","4","4","6","7","1") = "6"
    & skf21("1","1","2","4","4","7","1","1") = "6"
    & skf21("1","1","2","4","4","7","2","1") = "6"
    & skf21("1","1","2","4","4","7","3","1") = "6"
    & skf21("1","1","2","4","4","7","4","1") = "6"
    & skf21("1","1","2","4","4","7","5","1") = "6"
    & skf21("1","1","2","4","4","7","6","1") = "6"
    & skf21("1","1","2","4","4","7","7","1") = "6"
    & skf21("1","1","2","4","5","1","1","1") = "4"
    & skf21("1","1","2","4","5","1","2","1") = "4"
    & skf21("1","1","2","4","5","1","3","1") = "4"
    & skf21("1","1","2","4","5","1","4","1") = "4"
    & skf21("1","1","2","4","5","1","5","1") = "4"
    & skf21("1","1","2","4","5","1","6","1") = "5"
    & skf21("1","1","2","4","5","1","7","1") = "6"
    & skf21("1","1","2","4","5","2","1","1") = "4"
    & skf21("1","1","2","4","5","2","2","1") = "4"
    & skf21("1","1","2","4","5","2","3","1") = "4"
    & skf21("1","1","2","4","5","2","4","1") = "4"
    & skf21("1","1","2","4","5","2","5","1") = "4"
    & skf21("1","1","2","4","5","2","6","1") = "5"
    & skf21("1","1","2","4","5","2","7","1") = "6"
    & skf21("1","1","2","4","5","3","1","1") = "4"
    & skf21("1","1","2","4","5","3","2","1") = "4"
    & skf21("1","1","2","4","5","3","3","1") = "4"
    & skf21("1","1","2","4","5","3","4","1") = "4"
    & skf21("1","1","2","4","5","3","5","1") = "4"
    & skf21("1","1","2","4","5","3","6","1") = "5"
    & skf21("1","1","2","4","5","3","7","1") = "6"
    & skf21("1","1","2","4","5","4","1","1") = "4"
    & skf21("1","1","2","4","5","4","2","1") = "4"
    & skf21("1","1","2","4","5","4","3","1") = "4"
    & skf21("1","1","2","4","5","4","4","1") = "4"
    & skf21("1","1","2","4","5","4","5","1") = "4"
    & skf21("1","1","2","4","5","4","6","1") = "5"
    & skf21("1","1","2","4","5","4","7","1") = "6"
    & skf21("1","1","2","4","5","5","1","1") = "4"
    & skf21("1","1","2","4","5","5","2","1") = "4"
    & skf21("1","1","2","4","5","5","3","1") = "4"
    & skf21("1","1","2","4","5","5","4","1") = "4"
    & skf21("1","1","2","4","5","5","5","1") = "4"
    & skf21("1","1","2","4","5","5","6","1") = "5"
    & skf21("1","1","2","4","5","5","7","1") = "6"
    & skf21("1","1","2","4","5","6","1","1") = "5"
    & skf21("1","1","2","4","5","6","2","1") = "5"
    & skf21("1","1","2","4","5","6","3","1") = "5"
    & skf21("1","1","2","4","5","6","4","1") = "5"
    & skf21("1","1","2","4","5","6","5","1") = "5"
    & skf21("1","1","2","4","5","6","6","1") = "5"
    & skf21("1","1","2","4","5","6","7","1") = "6"
    & skf21("1","1","2","4","5","7","1","1") = "6"
    & skf21("1","1","2","4","5","7","2","1") = "6"
    & skf21("1","1","2","4","5","7","3","1") = "6"
    & skf21("1","1","2","4","5","7","4","1") = "6"
    & skf21("1","1","2","4","5","7","5","1") = "6"
    & skf21("1","1","2","4","5","7","6","1") = "6"
    & skf21("1","1","2","4","5","7","7","1") = "6"
    & skf21("1","1","2","4","6","1","1","1") = "5"
    & skf21("1","1","2","4","6","1","2","1") = "5"
    & skf21("1","1","2","4","6","1","3","1") = "5"
    & skf21("1","1","2","4","6","1","4","1") = "5"
    & skf21("1","1","2","4","6","1","5","1") = "5"
    & skf21("1","1","2","4","6","1","6","1") = "5"
    & skf21("1","1","2","4","6","1","7","1") = "6"
    & skf21("1","1","2","4","6","2","1","1") = "5"
    & skf21("1","1","2","4","6","2","2","1") = "5"
    & skf21("1","1","2","4","6","2","3","1") = "5"
    & skf21("1","1","2","4","6","2","4","1") = "5"
    & skf21("1","1","2","4","6","2","5","1") = "5"
    & skf21("1","1","2","4","6","2","6","1") = "5"
    & skf21("1","1","2","4","6","2","7","1") = "6"
    & skf21("1","1","2","4","6","3","1","1") = "5"
    & skf21("1","1","2","4","6","3","2","1") = "5"
    & skf21("1","1","2","4","6","3","3","1") = "5"
    & skf21("1","1","2","4","6","3","4","1") = "5"
    & skf21("1","1","2","4","6","3","5","1") = "5"
    & skf21("1","1","2","4","6","3","6","1") = "5"
    & skf21("1","1","2","4","6","3","7","1") = "6"
    & skf21("1","1","2","4","6","4","1","1") = "5"
    & skf21("1","1","2","4","6","4","2","1") = "5"
    & skf21("1","1","2","4","6","4","3","1") = "5"
    & skf21("1","1","2","4","6","4","4","1") = "5"
    & skf21("1","1","2","4","6","4","5","1") = "5"
    & skf21("1","1","2","4","6","4","6","1") = "5"
    & skf21("1","1","2","4","6","4","7","1") = "6"
    & skf21("1","1","2","4","6","5","1","1") = "5"
    & skf21("1","1","2","4","6","5","2","1") = "5"
    & skf21("1","1","2","4","6","5","3","1") = "5"
    & skf21("1","1","2","4","6","5","4","1") = "5"
    & skf21("1","1","2","4","6","5","5","1") = "5"
    & skf21("1","1","2","4","6","5","6","1") = "5"
    & skf21("1","1","2","4","6","5","7","1") = "6"
    & skf21("1","1","2","4","6","6","1","1") = "5"
    & skf21("1","1","2","4","6","6","2","1") = "5"
    & skf21("1","1","2","4","6","6","3","1") = "5"
    & skf21("1","1","2","4","6","6","4","1") = "5"
    & skf21("1","1","2","4","6","6","5","1") = "5"
    & skf21("1","1","2","4","6","6","6","1") = "5"
    & skf21("1","1","2","4","6","6","7","1") = "6"
    & skf21("1","1","2","4","6","7","1","1") = "6"
    & skf21("1","1","2","4","6","7","2","1") = "6"
    & skf21("1","1","2","4","6","7","3","1") = "6"
    & skf21("1","1","2","4","6","7","4","1") = "6"
    & skf21("1","1","2","4","6","7","5","1") = "6"
    & skf21("1","1","2","4","6","7","6","1") = "6"
    & skf21("1","1","2","4","6","7","7","1") = "6"
    & skf21("1","1","2","4","7","1","1","1") = "6"
    & skf21("1","1","2","4","7","1","2","1") = "6"
    & skf21("1","1","2","4","7","1","3","1") = "6"
    & skf21("1","1","2","4","7","1","4","1") = "6"
    & skf21("1","1","2","4","7","1","5","1") = "6"
    & skf21("1","1","2","4","7","1","6","1") = "6"
    & skf21("1","1","2","4","7","1","7","1") = "6"
    & skf21("1","1","2","4","7","2","1","1") = "6"
    & skf21("1","1","2","4","7","2","2","1") = "6"
    & skf21("1","1","2","4","7","2","3","1") = "6"
    & skf21("1","1","2","4","7","2","4","1") = "6"
    & skf21("1","1","2","4","7","2","5","1") = "6"
    & skf21("1","1","2","4","7","2","6","1") = "6"
    & skf21("1","1","2","4","7","2","7","1") = "6"
    & skf21("1","1","2","4","7","3","1","1") = "6"
    & skf21("1","1","2","4","7","3","2","1") = "6"
    & skf21("1","1","2","4","7","3","3","1") = "6"
    & skf21("1","1","2","4","7","3","4","1") = "6"
    & skf21("1","1","2","4","7","3","5","1") = "6"
    & skf21("1","1","2","4","7","3","6","1") = "6"
    & skf21("1","1","2","4","7","3","7","1") = "6"
    & skf21("1","1","2","4","7","4","1","1") = "6"
    & skf21("1","1","2","4","7","4","2","1") = "6"
    & skf21("1","1","2","4","7","4","3","1") = "6"
    & skf21("1","1","2","4","7","4","4","1") = "6"
    & skf21("1","1","2","4","7","4","5","1") = "6"
    & skf21("1","1","2","4","7","4","6","1") = "6"
    & skf21("1","1","2","4","7","4","7","1") = "6"
    & skf21("1","1","2","4","7","5","1","1") = "6"
    & skf21("1","1","2","4","7","5","2","1") = "6"
    & skf21("1","1","2","4","7","5","3","1") = "6"
    & skf21("1","1","2","4","7","5","4","1") = "6"
    & skf21("1","1","2","4","7","5","5","1") = "6"
    & skf21("1","1","2","4","7","5","6","1") = "6"
    & skf21("1","1","2","4","7","5","7","1") = "6"
    & skf21("1","1","2","4","7","6","1","1") = "6"
    & skf21("1","1","2","4","7","6","2","1") = "6"
    & skf21("1","1","2","4","7","6","3","1") = "6"
    & skf21("1","1","2","4","7","6","4","1") = "6"
    & skf21("1","1","2","4","7","6","5","1") = "6"
    & skf21("1","1","2","4","7","6","6","1") = "6"
    & skf21("1","1","2","4","7","6","7","1") = "6"
    & skf21("1","1","2","4","7","7","1","1") = "6"
    & skf21("1","1","2","4","7","7","2","1") = "6"
    & skf21("1","1","2","4","7","7","3","1") = "6"
    & skf21("1","1","2","4","7","7","4","1") = "6"
    & skf21("1","1","2","4","7","7","5","1") = "6"
    & skf21("1","1","2","4","7","7","6","1") = "6"
    & skf21("1","1","2","4","7","7","7","1") = "6"
    & skf21("1","1","2","5","1","1","1","1") = "4"
    & skf21("1","1","2","5","1","1","2","1") = "4"
    & skf21("1","1","2","5","1","1","3","1") = "4"
    & skf21("1","1","2","5","1","1","4","1") = "4"
    & skf21("1","1","2","5","1","1","5","1") = "4"
    & skf21("1","1","2","5","1","1","6","1") = "5"
    & skf21("1","1","2","5","1","1","7","1") = "6"
    & skf21("1","1","2","5","1","2","1","1") = "4"
    & skf21("1","1","2","5","1","2","2","1") = "4"
    & skf21("1","1","2","5","1","2","3","1") = "4"
    & skf21("1","1","2","5","1","2","4","1") = "4"
    & skf21("1","1","2","5","1","2","5","1") = "4"
    & skf21("1","1","2","5","1","2","6","1") = "5"
    & skf21("1","1","2","5","1","2","7","1") = "6"
    & skf21("1","1","2","5","1","3","1","1") = "4"
    & skf21("1","1","2","5","1","3","2","1") = "4"
    & skf21("1","1","2","5","1","3","3","1") = "4"
    & skf21("1","1","2","5","1","3","4","1") = "4"
    & skf21("1","1","2","5","1","3","5","1") = "4"
    & skf21("1","1","2","5","1","3","6","1") = "5"
    & skf21("1","1","2","5","1","3","7","1") = "6"
    & skf21("1","1","2","5","1","4","1","1") = "4"
    & skf21("1","1","2","5","1","4","2","1") = "4"
    & skf21("1","1","2","5","1","4","3","1") = "4"
    & skf21("1","1","2","5","1","4","4","1") = "4"
    & skf21("1","1","2","5","1","4","5","1") = "4"
    & skf21("1","1","2","5","1","4","6","1") = "5"
    & skf21("1","1","2","5","1","4","7","1") = "6"
    & skf21("1","1","2","5","1","5","1","1") = "4"
    & skf21("1","1","2","5","1","5","2","1") = "4"
    & skf21("1","1","2","5","1","5","3","1") = "4"
    & skf21("1","1","2","5","1","5","4","1") = "4"
    & skf21("1","1","2","5","1","5","5","1") = "4"
    & skf21("1","1","2","5","1","5","6","1") = "5"
    & skf21("1","1","2","5","1","5","7","1") = "6"
    & skf21("1","1","2","5","1","6","1","1") = "5"
    & skf21("1","1","2","5","1","6","2","1") = "5"
    & skf21("1","1","2","5","1","6","3","1") = "5"
    & skf21("1","1","2","5","1","6","4","1") = "5"
    & skf21("1","1","2","5","1","6","5","1") = "5"
    & skf21("1","1","2","5","1","6","6","1") = "5"
    & skf21("1","1","2","5","1","6","7","1") = "6"
    & skf21("1","1","2","5","1","7","1","1") = "6"
    & skf21("1","1","2","5","1","7","2","1") = "6"
    & skf21("1","1","2","5","1","7","3","1") = "6"
    & skf21("1","1","2","5","1","7","4","1") = "6"
    & skf21("1","1","2","5","1","7","5","1") = "6"
    & skf21("1","1","2","5","1","7","6","1") = "6"
    & skf21("1","1","2","5","1","7","7","1") = "6"
    & skf21("1","1","2","5","2","1","1","1") = "4"
    & skf21("1","1","2","5","2","1","2","1") = "4"
    & skf21("1","1","2","5","2","1","3","1") = "4"
    & skf21("1","1","2","5","2","1","4","1") = "4"
    & skf21("1","1","2","5","2","1","5","1") = "4"
    & skf21("1","1","2","5","2","1","6","1") = "5"
    & skf21("1","1","2","5","2","1","7","1") = "6"
    & skf21("1","1","2","5","2","2","1","1") = "4"
    & skf21("1","1","2","5","2","2","2","1") = "4"
    & skf21("1","1","2","5","2","2","3","1") = "4"
    & skf21("1","1","2","5","2","2","4","1") = "4"
    & skf21("1","1","2","5","2","2","5","1") = "4"
    & skf21("1","1","2","5","2","2","6","1") = "5"
    & skf21("1","1","2","5","2","2","7","1") = "6"
    & skf21("1","1","2","5","2","3","1","1") = "4"
    & skf21("1","1","2","5","2","3","2","1") = "4"
    & skf21("1","1","2","5","2","3","3","1") = "4"
    & skf21("1","1","2","5","2","3","4","1") = "4"
    & skf21("1","1","2","5","2","3","5","1") = "4"
    & skf21("1","1","2","5","2","3","6","1") = "5"
    & skf21("1","1","2","5","2","3","7","1") = "6"
    & skf21("1","1","2","5","2","4","1","1") = "4"
    & skf21("1","1","2","5","2","4","2","1") = "4"
    & skf21("1","1","2","5","2","4","3","1") = "4"
    & skf21("1","1","2","5","2","4","4","1") = "4"
    & skf21("1","1","2","5","2","4","5","1") = "4"
    & skf21("1","1","2","5","2","4","6","1") = "5"
    & skf21("1","1","2","5","2","4","7","1") = "6"
    & skf21("1","1","2","5","2","5","1","1") = "4"
    & skf21("1","1","2","5","2","5","2","1") = "4"
    & skf21("1","1","2","5","2","5","3","1") = "4"
    & skf21("1","1","2","5","2","5","4","1") = "4"
    & skf21("1","1","2","5","2","5","5","1") = "4"
    & skf21("1","1","2","5","2","5","6","1") = "5"
    & skf21("1","1","2","5","2","5","7","1") = "6"
    & skf21("1","1","2","5","2","6","1","1") = "5"
    & skf21("1","1","2","5","2","6","2","1") = "5"
    & skf21("1","1","2","5","2","6","3","1") = "5"
    & skf21("1","1","2","5","2","6","4","1") = "5"
    & skf21("1","1","2","5","2","6","5","1") = "5"
    & skf21("1","1","2","5","2","6","6","1") = "5"
    & skf21("1","1","2","5","2","6","7","1") = "6"
    & skf21("1","1","2","5","2","7","1","1") = "6"
    & skf21("1","1","2","5","2","7","2","1") = "6"
    & skf21("1","1","2","5","2","7","3","1") = "6"
    & skf21("1","1","2","5","2","7","4","1") = "6"
    & skf21("1","1","2","5","2","7","5","1") = "6"
    & skf21("1","1","2","5","2","7","6","1") = "6"
    & skf21("1","1","2","5","2","7","7","1") = "6"
    & skf21("1","1","2","5","3","1","1","1") = "4"
    & skf21("1","1","2","5","3","1","2","1") = "4"
    & skf21("1","1","2","5","3","1","3","1") = "4"
    & skf21("1","1","2","5","3","1","4","1") = "4"
    & skf21("1","1","2","5","3","1","5","1") = "4"
    & skf21("1","1","2","5","3","1","6","1") = "5"
    & skf21("1","1","2","5","3","1","7","1") = "6"
    & skf21("1","1","2","5","3","2","1","1") = "4"
    & skf21("1","1","2","5","3","2","2","1") = "4"
    & skf21("1","1","2","5","3","2","3","1") = "4"
    & skf21("1","1","2","5","3","2","4","1") = "4"
    & skf21("1","1","2","5","3","2","5","1") = "4"
    & skf21("1","1","2","5","3","2","6","1") = "5"
    & skf21("1","1","2","5","3","2","7","1") = "6"
    & skf21("1","1","2","5","3","3","1","1") = "4"
    & skf21("1","1","2","5","3","3","2","1") = "4"
    & skf21("1","1","2","5","3","3","3","1") = "4"
    & skf21("1","1","2","5","3","3","4","1") = "4"
    & skf21("1","1","2","5","3","3","5","1") = "4"
    & skf21("1","1","2","5","3","3","6","1") = "5"
    & skf21("1","1","2","5","3","3","7","1") = "6"
    & skf21("1","1","2","5","3","4","1","1") = "4"
    & skf21("1","1","2","5","3","4","2","1") = "4"
    & skf21("1","1","2","5","3","4","3","1") = "4"
    & skf21("1","1","2","5","3","4","4","1") = "4"
    & skf21("1","1","2","5","3","4","5","1") = "4"
    & skf21("1","1","2","5","3","4","6","1") = "5"
    & skf21("1","1","2","5","3","4","7","1") = "6"
    & skf21("1","1","2","5","3","5","1","1") = "4"
    & skf21("1","1","2","5","3","5","2","1") = "4"
    & skf21("1","1","2","5","3","5","3","1") = "4"
    & skf21("1","1","2","5","3","5","4","1") = "4"
    & skf21("1","1","2","5","3","5","5","1") = "4"
    & skf21("1","1","2","5","3","5","6","1") = "5"
    & skf21("1","1","2","5","3","5","7","1") = "6"
    & skf21("1","1","2","5","3","6","1","1") = "5"
    & skf21("1","1","2","5","3","6","2","1") = "5"
    & skf21("1","1","2","5","3","6","3","1") = "5"
    & skf21("1","1","2","5","3","6","4","1") = "5"
    & skf21("1","1","2","5","3","6","5","1") = "5"
    & skf21("1","1","2","5","3","6","6","1") = "5"
    & skf21("1","1","2","5","3","6","7","1") = "6"
    & skf21("1","1","2","5","3","7","1","1") = "6"
    & skf21("1","1","2","5","3","7","2","1") = "6"
    & skf21("1","1","2","5","3","7","3","1") = "6"
    & skf21("1","1","2","5","3","7","4","1") = "6"
    & skf21("1","1","2","5","3","7","5","1") = "6"
    & skf21("1","1","2","5","3","7","6","1") = "6"
    & skf21("1","1","2","5","3","7","7","1") = "6"
    & skf21("1","1","2","5","4","1","1","1") = "4"
    & skf21("1","1","2","5","4","1","2","1") = "4"
    & skf21("1","1","2","5","4","1","3","1") = "4"
    & skf21("1","1","2","5","4","1","4","1") = "4"
    & skf21("1","1","2","5","4","1","5","1") = "4"
    & skf21("1","1","2","5","4","1","6","1") = "5"
    & skf21("1","1","2","5","4","1","7","1") = "6"
    & skf21("1","1","2","5","4","2","1","1") = "4"
    & skf21("1","1","2","5","4","2","2","1") = "4"
    & skf21("1","1","2","5","4","2","3","1") = "4"
    & skf21("1","1","2","5","4","2","4","1") = "4"
    & skf21("1","1","2","5","4","2","5","1") = "4"
    & skf21("1","1","2","5","4","2","6","1") = "5"
    & skf21("1","1","2","5","4","2","7","1") = "6"
    & skf21("1","1","2","5","4","3","1","1") = "4"
    & skf21("1","1","2","5","4","3","2","1") = "4"
    & skf21("1","1","2","5","4","3","3","1") = "4"
    & skf21("1","1","2","5","4","3","4","1") = "4"
    & skf21("1","1","2","5","4","3","5","1") = "4"
    & skf21("1","1","2","5","4","3","6","1") = "5"
    & skf21("1","1","2","5","4","3","7","1") = "6"
    & skf21("1","1","2","5","4","4","1","1") = "4"
    & skf21("1","1","2","5","4","4","2","1") = "4"
    & skf21("1","1","2","5","4","4","3","1") = "4"
    & skf21("1","1","2","5","4","4","4","1") = "4"
    & skf21("1","1","2","5","4","4","5","1") = "4"
    & skf21("1","1","2","5","4","4","6","1") = "5"
    & skf21("1","1","2","5","4","4","7","1") = "6"
    & skf21("1","1","2","5","4","5","1","1") = "4"
    & skf21("1","1","2","5","4","5","2","1") = "4"
    & skf21("1","1","2","5","4","5","3","1") = "4"
    & skf21("1","1","2","5","4","5","4","1") = "4"
    & skf21("1","1","2","5","4","5","5","1") = "4"
    & skf21("1","1","2","5","4","5","6","1") = "5"
    & skf21("1","1","2","5","4","5","7","1") = "6"
    & skf21("1","1","2","5","4","6","1","1") = "5"
    & skf21("1","1","2","5","4","6","2","1") = "5"
    & skf21("1","1","2","5","4","6","3","1") = "5"
    & skf21("1","1","2","5","4","6","4","1") = "5"
    & skf21("1","1","2","5","4","6","5","1") = "5"
    & skf21("1","1","2","5","4","6","6","1") = "5"
    & skf21("1","1","2","5","4","6","7","1") = "6"
    & skf21("1","1","2","5","4","7","1","1") = "6"
    & skf21("1","1","2","5","4","7","2","1") = "6"
    & skf21("1","1","2","5","4","7","3","1") = "6"
    & skf21("1","1","2","5","4","7","4","1") = "6"
    & skf21("1","1","2","5","4","7","5","1") = "6"
    & skf21("1","1","2","5","4","7","6","1") = "6"
    & skf21("1","1","2","5","4","7","7","1") = "6"
    & skf21("1","1","2","5","5","1","1","1") = "4"
    & skf21("1","1","2","5","5","1","2","1") = "4"
    & skf21("1","1","2","5","5","1","3","1") = "4"
    & skf21("1","1","2","5","5","1","4","1") = "4"
    & skf21("1","1","2","5","5","1","5","1") = "4"
    & skf21("1","1","2","5","5","1","6","1") = "5"
    & skf21("1","1","2","5","5","1","7","1") = "6"
    & skf21("1","1","2","5","5","2","1","1") = "4"
    & skf21("1","1","2","5","5","2","2","1") = "4"
    & skf21("1","1","2","5","5","2","3","1") = "4"
    & skf21("1","1","2","5","5","2","4","1") = "4"
    & skf21("1","1","2","5","5","2","5","1") = "4"
    & skf21("1","1","2","5","5","2","6","1") = "5"
    & skf21("1","1","2","5","5","2","7","1") = "6"
    & skf21("1","1","2","5","5","3","1","1") = "4"
    & skf21("1","1","2","5","5","3","2","1") = "4"
    & skf21("1","1","2","5","5","3","3","1") = "4"
    & skf21("1","1","2","5","5","3","4","1") = "4"
    & skf21("1","1","2","5","5","3","5","1") = "4"
    & skf21("1","1","2","5","5","3","6","1") = "5"
    & skf21("1","1","2","5","5","3","7","1") = "6"
    & skf21("1","1","2","5","5","4","1","1") = "4"
    & skf21("1","1","2","5","5","4","2","1") = "4"
    & skf21("1","1","2","5","5","4","3","1") = "4"
    & skf21("1","1","2","5","5","4","4","1") = "4"
    & skf21("1","1","2","5","5","4","5","1") = "4"
    & skf21("1","1","2","5","5","4","6","1") = "5"
    & skf21("1","1","2","5","5","4","7","1") = "6"
    & skf21("1","1","2","5","5","5","1","1") = "4"
    & skf21("1","1","2","5","5","5","2","1") = "4"
    & skf21("1","1","2","5","5","5","3","1") = "4"
    & skf21("1","1","2","5","5","5","4","1") = "4"
    & skf21("1","1","2","5","5","5","5","1") = "4"
    & skf21("1","1","2","5","5","5","6","1") = "5"
    & skf21("1","1","2","5","5","5","7","1") = "6"
    & skf21("1","1","2","5","5","6","1","1") = "5"
    & skf21("1","1","2","5","5","6","2","1") = "5"
    & skf21("1","1","2","5","5","6","3","1") = "5"
    & skf21("1","1","2","5","5","6","4","1") = "5"
    & skf21("1","1","2","5","5","6","5","1") = "5"
    & skf21("1","1","2","5","5","6","6","1") = "5"
    & skf21("1","1","2","5","5","6","7","1") = "6"
    & skf21("1","1","2","5","5","7","1","1") = "6"
    & skf21("1","1","2","5","5","7","2","1") = "6"
    & skf21("1","1","2","5","5","7","3","1") = "6"
    & skf21("1","1","2","5","5","7","4","1") = "6"
    & skf21("1","1","2","5","5","7","5","1") = "6"
    & skf21("1","1","2","5","5","7","6","1") = "6"
    & skf21("1","1","2","5","5","7","7","1") = "6"
    & skf21("1","1","2","5","6","1","1","1") = "5"
    & skf21("1","1","2","5","6","1","2","1") = "5"
    & skf21("1","1","2","5","6","1","3","1") = "5"
    & skf21("1","1","2","5","6","1","4","1") = "5"
    & skf21("1","1","2","5","6","1","5","1") = "5"
    & skf21("1","1","2","5","6","1","6","1") = "5"
    & skf21("1","1","2","5","6","1","7","1") = "6"
    & skf21("1","1","2","5","6","2","1","1") = "5"
    & skf21("1","1","2","5","6","2","2","1") = "5"
    & skf21("1","1","2","5","6","2","3","1") = "5"
    & skf21("1","1","2","5","6","2","4","1") = "5"
    & skf21("1","1","2","5","6","2","5","1") = "5"
    & skf21("1","1","2","5","6","2","6","1") = "5"
    & skf21("1","1","2","5","6","2","7","1") = "6"
    & skf21("1","1","2","5","6","3","1","1") = "5"
    & skf21("1","1","2","5","6","3","2","1") = "5"
    & skf21("1","1","2","5","6","3","3","1") = "5"
    & skf21("1","1","2","5","6","3","4","1") = "5"
    & skf21("1","1","2","5","6","3","5","1") = "5"
    & skf21("1","1","2","5","6","3","6","1") = "5"
    & skf21("1","1","2","5","6","3","7","1") = "6"
    & skf21("1","1","2","5","6","4","1","1") = "5"
    & skf21("1","1","2","5","6","4","2","1") = "5"
    & skf21("1","1","2","5","6","4","3","1") = "5"
    & skf21("1","1","2","5","6","4","4","1") = "5"
    & skf21("1","1","2","5","6","4","5","1") = "5"
    & skf21("1","1","2","5","6","4","6","1") = "5"
    & skf21("1","1","2","5","6","4","7","1") = "6"
    & skf21("1","1","2","5","6","5","1","1") = "5"
    & skf21("1","1","2","5","6","5","2","1") = "5"
    & skf21("1","1","2","5","6","5","3","1") = "5"
    & skf21("1","1","2","5","6","5","4","1") = "5"
    & skf21("1","1","2","5","6","5","5","1") = "5"
    & skf21("1","1","2","5","6","5","6","1") = "5"
    & skf21("1","1","2","5","6","5","7","1") = "6"
    & skf21("1","1","2","5","6","6","1","1") = "5"
    & skf21("1","1","2","5","6","6","2","1") = "5"
    & skf21("1","1","2","5","6","6","3","1") = "5"
    & skf21("1","1","2","5","6","6","4","1") = "5"
    & skf21("1","1","2","5","6","6","5","1") = "5"
    & skf21("1","1","2","5","6","6","6","1") = "5"
    & skf21("1","1","2","5","6","6","7","1") = "6"
    & skf21("1","1","2","5","6","7","1","1") = "6"
    & skf21("1","1","2","5","6","7","2","1") = "6"
    & skf21("1","1","2","5","6","7","3","1") = "6"
    & skf21("1","1","2","5","6","7","4","1") = "6"
    & skf21("1","1","2","5","6","7","5","1") = "6"
    & skf21("1","1","2","5","6","7","6","1") = "6"
    & skf21("1","1","2","5","6","7","7","1") = "6"
    & skf21("1","1","2","5","7","1","1","1") = "6"
    & skf21("1","1","2","5","7","1","2","1") = "6"
    & skf21("1","1","2","5","7","1","3","1") = "6"
    & skf21("1","1","2","5","7","1","4","1") = "6"
    & skf21("1","1","2","5","7","1","5","1") = "6"
    & skf21("1","1","2","5","7","1","6","1") = "6"
    & skf21("1","1","2","5","7","1","7","1") = "6"
    & skf21("1","1","2","5","7","2","1","1") = "6"
    & skf21("1","1","2","5","7","2","2","1") = "6"
    & skf21("1","1","2","5","7","2","3","1") = "6"
    & skf21("1","1","2","5","7","2","4","1") = "6"
    & skf21("1","1","2","5","7","2","5","1") = "6"
    & skf21("1","1","2","5","7","2","6","1") = "6"
    & skf21("1","1","2","5","7","2","7","1") = "6"
    & skf21("1","1","2","5","7","3","1","1") = "6"
    & skf21("1","1","2","5","7","3","2","1") = "6"
    & skf21("1","1","2","5","7","3","3","1") = "6"
    & skf21("1","1","2","5","7","3","4","1") = "6"
    & skf21("1","1","2","5","7","3","5","1") = "6"
    & skf21("1","1","2","5","7","3","6","1") = "6"
    & skf21("1","1","2","5","7","3","7","1") = "6"
    & skf21("1","1","2","5","7","4","1","1") = "6"
    & skf21("1","1","2","5","7","4","2","1") = "6"
    & skf21("1","1","2","5","7","4","3","1") = "6"
    & skf21("1","1","2","5","7","4","4","1") = "6"
    & skf21("1","1","2","5","7","4","5","1") = "6"
    & skf21("1","1","2","5","7","4","6","1") = "6"
    & skf21("1","1","2","5","7","4","7","1") = "6"
    & skf21("1","1","2","5","7","5","1","1") = "6"
    & skf21("1","1","2","5","7","5","2","1") = "6"
    & skf21("1","1","2","5","7","5","3","1") = "6"
    & skf21("1","1","2","5","7","5","4","1") = "6"
    & skf21("1","1","2","5","7","5","5","1") = "6"
    & skf21("1","1","2","5","7","5","6","1") = "6"
    & skf21("1","1","2","5","7","5","7","1") = "6"
    & skf21("1","1","2","5","7","6","1","1") = "6"
    & skf21("1","1","2","5","7","6","2","1") = "6"
    & skf21("1","1","2","5","7","6","3","1") = "6"
    & skf21("1","1","2","5","7","6","4","1") = "6"
    & skf21("1","1","2","5","7","6","5","1") = "6"
    & skf21("1","1","2","5","7","6","6","1") = "6"
    & skf21("1","1","2","5","7","6","7","1") = "6"
    & skf21("1","1","2","5","7","7","1","1") = "6"
    & skf21("1","1","2","5","7","7","2","1") = "6"
    & skf21("1","1","2","5","7","7","3","1") = "6"
    & skf21("1","1","2","5","7","7","4","1") = "6"
    & skf21("1","1","2","5","7","7","5","1") = "6"
    & skf21("1","1","2","5","7","7","6","1") = "6"
    & skf21("1","1","2","5","7","7","7","1") = "6"
    & skf21("1","1","2","6","1","1","1","1") = "5"
    & skf21("1","1","2","6","1","1","2","1") = "5"
    & skf21("1","1","2","6","1","1","3","1") = "5"
    & skf21("1","1","2","6","1","1","4","1") = "5"
    & skf21("1","1","2","6","1","1","5","1") = "5"
    & skf21("1","1","2","6","1","1","6","1") = "5"
    & skf21("1","1","2","6","1","1","7","1") = "6"
    & skf21("1","1","2","6","1","2","1","1") = "5"
    & skf21("1","1","2","6","1","2","2","1") = "5"
    & skf21("1","1","2","6","1","2","3","1") = "5"
    & skf21("1","1","2","6","1","2","4","1") = "5"
    & skf21("1","1","2","6","1","2","5","1") = "5"
    & skf21("1","1","2","6","1","2","6","1") = "5"
    & skf21("1","1","2","6","1","2","7","1") = "6"
    & skf21("1","1","2","6","1","3","1","1") = "5"
    & skf21("1","1","2","6","1","3","2","1") = "5"
    & skf21("1","1","2","6","1","3","3","1") = "5"
    & skf21("1","1","2","6","1","3","4","1") = "5"
    & skf21("1","1","2","6","1","3","5","1") = "5"
    & skf21("1","1","2","6","1","3","6","1") = "5"
    & skf21("1","1","2","6","1","3","7","1") = "6"
    & skf21("1","1","2","6","1","4","1","1") = "5"
    & skf21("1","1","2","6","1","4","2","1") = "5"
    & skf21("1","1","2","6","1","4","3","1") = "5"
    & skf21("1","1","2","6","1","4","4","1") = "5"
    & skf21("1","1","2","6","1","4","5","1") = "5"
    & skf21("1","1","2","6","1","4","6","1") = "5"
    & skf21("1","1","2","6","1","4","7","1") = "6"
    & skf21("1","1","2","6","1","5","1","1") = "5"
    & skf21("1","1","2","6","1","5","2","1") = "5"
    & skf21("1","1","2","6","1","5","3","1") = "5"
    & skf21("1","1","2","6","1","5","4","1") = "5"
    & skf21("1","1","2","6","1","5","5","1") = "5"
    & skf21("1","1","2","6","1","5","6","1") = "5"
    & skf21("1","1","2","6","1","5","7","1") = "6"
    & skf21("1","1","2","6","1","6","1","1") = "5"
    & skf21("1","1","2","6","1","6","2","1") = "5"
    & skf21("1","1","2","6","1","6","3","1") = "5"
    & skf21("1","1","2","6","1","6","4","1") = "5"
    & skf21("1","1","2","6","1","6","5","1") = "5"
    & skf21("1","1","2","6","1","6","6","1") = "5"
    & skf21("1","1","2","6","1","6","7","1") = "6"
    & skf21("1","1","2","6","1","7","1","1") = "6"
    & skf21("1","1","2","6","1","7","2","1") = "6"
    & skf21("1","1","2","6","1","7","3","1") = "6"
    & skf21("1","1","2","6","1","7","4","1") = "6"
    & skf21("1","1","2","6","1","7","5","1") = "6"
    & skf21("1","1","2","6","1","7","6","1") = "6"
    & skf21("1","1","2","6","1","7","7","1") = "6"
    & skf21("1","1","2","6","2","1","1","1") = "5"
    & skf21("1","1","2","6","2","1","2","1") = "5"
    & skf21("1","1","2","6","2","1","3","1") = "5"
    & skf21("1","1","2","6","2","1","4","1") = "5"
    & skf21("1","1","2","6","2","1","5","1") = "5"
    & skf21("1","1","2","6","2","1","6","1") = "5"
    & skf21("1","1","2","6","2","1","7","1") = "6"
    & skf21("1","1","2","6","2","2","1","1") = "5"
    & skf21("1","1","2","6","2","2","2","1") = "5"
    & skf21("1","1","2","6","2","2","3","1") = "5"
    & skf21("1","1","2","6","2","2","4","1") = "5"
    & skf21("1","1","2","6","2","2","5","1") = "5"
    & skf21("1","1","2","6","2","2","6","1") = "5"
    & skf21("1","1","2","6","2","2","7","1") = "6"
    & skf21("1","1","2","6","2","3","1","1") = "5"
    & skf21("1","1","2","6","2","3","2","1") = "5"
    & skf21("1","1","2","6","2","3","3","1") = "5"
    & skf21("1","1","2","6","2","3","4","1") = "5"
    & skf21("1","1","2","6","2","3","5","1") = "5"
    & skf21("1","1","2","6","2","3","6","1") = "5"
    & skf21("1","1","2","6","2","3","7","1") = "6"
    & skf21("1","1","2","6","2","4","1","1") = "5"
    & skf21("1","1","2","6","2","4","2","1") = "5"
    & skf21("1","1","2","6","2","4","3","1") = "5"
    & skf21("1","1","2","6","2","4","4","1") = "5"
    & skf21("1","1","2","6","2","4","5","1") = "5"
    & skf21("1","1","2","6","2","4","6","1") = "5"
    & skf21("1","1","2","6","2","4","7","1") = "6"
    & skf21("1","1","2","6","2","5","1","1") = "5"
    & skf21("1","1","2","6","2","5","2","1") = "5"
    & skf21("1","1","2","6","2","5","3","1") = "5"
    & skf21("1","1","2","6","2","5","4","1") = "5"
    & skf21("1","1","2","6","2","5","5","1") = "5"
    & skf21("1","1","2","6","2","5","6","1") = "5"
    & skf21("1","1","2","6","2","5","7","1") = "6"
    & skf21("1","1","2","6","2","6","1","1") = "5"
    & skf21("1","1","2","6","2","6","2","1") = "5"
    & skf21("1","1","2","6","2","6","3","1") = "5"
    & skf21("1","1","2","6","2","6","4","1") = "5"
    & skf21("1","1","2","6","2","6","5","1") = "5"
    & skf21("1","1","2","6","2","6","6","1") = "5"
    & skf21("1","1","2","6","2","6","7","1") = "6"
    & skf21("1","1","2","6","2","7","1","1") = "6"
    & skf21("1","1","2","6","2","7","2","1") = "6"
    & skf21("1","1","2","6","2","7","3","1") = "6"
    & skf21("1","1","2","6","2","7","4","1") = "6"
    & skf21("1","1","2","6","2","7","5","1") = "6"
    & skf21("1","1","2","6","2","7","6","1") = "6"
    & skf21("1","1","2","6","2","7","7","1") = "6"
    & skf21("1","1","2","6","3","1","1","1") = "5"
    & skf21("1","1","2","6","3","1","2","1") = "5"
    & skf21("1","1","2","6","3","1","3","1") = "5"
    & skf21("1","1","2","6","3","1","4","1") = "5"
    & skf21("1","1","2","6","3","1","5","1") = "5"
    & skf21("1","1","2","6","3","1","6","1") = "5"
    & skf21("1","1","2","6","3","1","7","1") = "6"
    & skf21("1","1","2","6","3","2","1","1") = "5"
    & skf21("1","1","2","6","3","2","2","1") = "5"
    & skf21("1","1","2","6","3","2","3","1") = "5"
    & skf21("1","1","2","6","3","2","4","1") = "5"
    & skf21("1","1","2","6","3","2","5","1") = "5"
    & skf21("1","1","2","6","3","2","6","1") = "5"
    & skf21("1","1","2","6","3","2","7","1") = "6"
    & skf21("1","1","2","6","3","3","1","1") = "5"
    & skf21("1","1","2","6","3","3","2","1") = "5"
    & skf21("1","1","2","6","3","3","3","1") = "5"
    & skf21("1","1","2","6","3","3","4","1") = "5"
    & skf21("1","1","2","6","3","3","5","1") = "5"
    & skf21("1","1","2","6","3","3","6","1") = "5"
    & skf21("1","1","2","6","3","3","7","1") = "6"
    & skf21("1","1","2","6","3","4","1","1") = "5"
    & skf21("1","1","2","6","3","4","2","1") = "5"
    & skf21("1","1","2","6","3","4","3","1") = "5"
    & skf21("1","1","2","6","3","4","4","1") = "5"
    & skf21("1","1","2","6","3","4","5","1") = "5"
    & skf21("1","1","2","6","3","4","6","1") = "5"
    & skf21("1","1","2","6","3","4","7","1") = "6"
    & skf21("1","1","2","6","3","5","1","1") = "5"
    & skf21("1","1","2","6","3","5","2","1") = "5"
    & skf21("1","1","2","6","3","5","3","1") = "5"
    & skf21("1","1","2","6","3","5","4","1") = "5"
    & skf21("1","1","2","6","3","5","5","1") = "5"
    & skf21("1","1","2","6","3","5","6","1") = "5"
    & skf21("1","1","2","6","3","5","7","1") = "6"
    & skf21("1","1","2","6","3","6","1","1") = "5"
    & skf21("1","1","2","6","3","6","2","1") = "5"
    & skf21("1","1","2","6","3","6","3","1") = "5"
    & skf21("1","1","2","6","3","6","4","1") = "5"
    & skf21("1","1","2","6","3","6","5","1") = "5"
    & skf21("1","1","2","6","3","6","6","1") = "5"
    & skf21("1","1","2","6","3","6","7","1") = "6"
    & skf21("1","1","2","6","3","7","1","1") = "6"
    & skf21("1","1","2","6","3","7","2","1") = "6"
    & skf21("1","1","2","6","3","7","3","1") = "6"
    & skf21("1","1","2","6","3","7","4","1") = "6"
    & skf21("1","1","2","6","3","7","5","1") = "6"
    & skf21("1","1","2","6","3","7","6","1") = "6"
    & skf21("1","1","2","6","3","7","7","1") = "6"
    & skf21("1","1","2","6","4","1","1","1") = "5"
    & skf21("1","1","2","6","4","1","2","1") = "5"
    & skf21("1","1","2","6","4","1","3","1") = "5"
    & skf21("1","1","2","6","4","1","4","1") = "5"
    & skf21("1","1","2","6","4","1","5","1") = "5"
    & skf21("1","1","2","6","4","1","6","1") = "5"
    & skf21("1","1","2","6","4","1","7","1") = "6"
    & skf21("1","1","2","6","4","2","1","1") = "5"
    & skf21("1","1","2","6","4","2","2","1") = "5"
    & skf21("1","1","2","6","4","2","3","1") = "5"
    & skf21("1","1","2","6","4","2","4","1") = "5"
    & skf21("1","1","2","6","4","2","5","1") = "5"
    & skf21("1","1","2","6","4","2","6","1") = "5"
    & skf21("1","1","2","6","4","2","7","1") = "6"
    & skf21("1","1","2","6","4","3","1","1") = "5"
    & skf21("1","1","2","6","4","3","2","1") = "5"
    & skf21("1","1","2","6","4","3","3","1") = "5"
    & skf21("1","1","2","6","4","3","4","1") = "5"
    & skf21("1","1","2","6","4","3","5","1") = "5"
    & skf21("1","1","2","6","4","3","6","1") = "5"
    & skf21("1","1","2","6","4","3","7","1") = "6"
    & skf21("1","1","2","6","4","4","1","1") = "5"
    & skf21("1","1","2","6","4","4","2","1") = "5"
    & skf21("1","1","2","6","4","4","3","1") = "5"
    & skf21("1","1","2","6","4","4","4","1") = "5"
    & skf21("1","1","2","6","4","4","5","1") = "5"
    & skf21("1","1","2","6","4","4","6","1") = "5"
    & skf21("1","1","2","6","4","4","7","1") = "6"
    & skf21("1","1","2","6","4","5","1","1") = "5"
    & skf21("1","1","2","6","4","5","2","1") = "5"
    & skf21("1","1","2","6","4","5","3","1") = "5"
    & skf21("1","1","2","6","4","5","4","1") = "5"
    & skf21("1","1","2","6","4","5","5","1") = "5"
    & skf21("1","1","2","6","4","5","6","1") = "5"
    & skf21("1","1","2","6","4","5","7","1") = "6"
    & skf21("1","1","2","6","4","6","1","1") = "5"
    & skf21("1","1","2","6","4","6","2","1") = "5"
    & skf21("1","1","2","6","4","6","3","1") = "5"
    & skf21("1","1","2","6","4","6","4","1") = "5"
    & skf21("1","1","2","6","4","6","5","1") = "5"
    & skf21("1","1","2","6","4","6","6","1") = "5"
    & skf21("1","1","2","6","4","6","7","1") = "6"
    & skf21("1","1","2","6","4","7","1","1") = "6"
    & skf21("1","1","2","6","4","7","2","1") = "6"
    & skf21("1","1","2","6","4","7","3","1") = "6"
    & skf21("1","1","2","6","4","7","4","1") = "6"
    & skf21("1","1","2","6","4","7","5","1") = "6"
    & skf21("1","1","2","6","4","7","6","1") = "6"
    & skf21("1","1","2","6","4","7","7","1") = "6"
    & skf21("1","1","2","6","5","1","1","1") = "5"
    & skf21("1","1","2","6","5","1","2","1") = "5"
    & skf21("1","1","2","6","5","1","3","1") = "5"
    & skf21("1","1","2","6","5","1","4","1") = "5"
    & skf21("1","1","2","6","5","1","5","1") = "5"
    & skf21("1","1","2","6","5","1","6","1") = "5"
    & skf21("1","1","2","6","5","1","7","1") = "6"
    & skf21("1","1","2","6","5","2","1","1") = "5"
    & skf21("1","1","2","6","5","2","2","1") = "5"
    & skf21("1","1","2","6","5","2","3","1") = "5"
    & skf21("1","1","2","6","5","2","4","1") = "5"
    & skf21("1","1","2","6","5","2","5","1") = "5"
    & skf21("1","1","2","6","5","2","6","1") = "5"
    & skf21("1","1","2","6","5","2","7","1") = "6"
    & skf21("1","1","2","6","5","3","1","1") = "5"
    & skf21("1","1","2","6","5","3","2","1") = "5"
    & skf21("1","1","2","6","5","3","3","1") = "5"
    & skf21("1","1","2","6","5","3","4","1") = "5"
    & skf21("1","1","2","6","5","3","5","1") = "5"
    & skf21("1","1","2","6","5","3","6","1") = "5"
    & skf21("1","1","2","6","5","3","7","1") = "6"
    & skf21("1","1","2","6","5","4","1","1") = "5"
    & skf21("1","1","2","6","5","4","2","1") = "5"
    & skf21("1","1","2","6","5","4","3","1") = "5"
    & skf21("1","1","2","6","5","4","4","1") = "5"
    & skf21("1","1","2","6","5","4","5","1") = "5"
    & skf21("1","1","2","6","5","4","6","1") = "5"
    & skf21("1","1","2","6","5","4","7","1") = "6"
    & skf21("1","1","2","6","5","5","1","1") = "5"
    & skf21("1","1","2","6","5","5","2","1") = "5"
    & skf21("1","1","2","6","5","5","3","1") = "5"
    & skf21("1","1","2","6","5","5","4","1") = "5"
    & skf21("1","1","2","6","5","5","5","1") = "5"
    & skf21("1","1","2","6","5","5","6","1") = "5"
    & skf21("1","1","2","6","5","5","7","1") = "6"
    & skf21("1","1","2","6","5","6","1","1") = "5"
    & skf21("1","1","2","6","5","6","2","1") = "5"
    & skf21("1","1","2","6","5","6","3","1") = "5"
    & skf21("1","1","2","6","5","6","4","1") = "5"
    & skf21("1","1","2","6","5","6","5","1") = "5"
    & skf21("1","1","2","6","5","6","6","1") = "5"
    & skf21("1","1","2","6","5","6","7","1") = "6"
    & skf21("1","1","2","6","5","7","1","1") = "6"
    & skf21("1","1","2","6","5","7","2","1") = "6"
    & skf21("1","1","2","6","5","7","3","1") = "6"
    & skf21("1","1","2","6","5","7","4","1") = "6"
    & skf21("1","1","2","6","5","7","5","1") = "6"
    & skf21("1","1","2","6","5","7","6","1") = "6"
    & skf21("1","1","2","6","5","7","7","1") = "6"
    & skf21("1","1","2","6","6","1","1","1") = "5"
    & skf21("1","1","2","6","6","1","2","1") = "5"
    & skf21("1","1","2","6","6","1","3","1") = "5"
    & skf21("1","1","2","6","6","1","4","1") = "5"
    & skf21("1","1","2","6","6","1","5","1") = "5"
    & skf21("1","1","2","6","6","1","6","1") = "5"
    & skf21("1","1","2","6","6","1","7","1") = "6"
    & skf21("1","1","2","6","6","2","1","1") = "5"
    & skf21("1","1","2","6","6","2","2","1") = "5"
    & skf21("1","1","2","6","6","2","3","1") = "5"
    & skf21("1","1","2","6","6","2","4","1") = "5"
    & skf21("1","1","2","6","6","2","5","1") = "5"
    & skf21("1","1","2","6","6","2","6","1") = "5"
    & skf21("1","1","2","6","6","2","7","1") = "6"
    & skf21("1","1","2","6","6","3","1","1") = "5"
    & skf21("1","1","2","6","6","3","2","1") = "5"
    & skf21("1","1","2","6","6","3","3","1") = "5"
    & skf21("1","1","2","6","6","3","4","1") = "5"
    & skf21("1","1","2","6","6","3","5","1") = "5"
    & skf21("1","1","2","6","6","3","6","1") = "5"
    & skf21("1","1","2","6","6","3","7","1") = "6"
    & skf21("1","1","2","6","6","4","1","1") = "5"
    & skf21("1","1","2","6","6","4","2","1") = "5"
    & skf21("1","1","2","6","6","4","3","1") = "5"
    & skf21("1","1","2","6","6","4","4","1") = "5"
    & skf21("1","1","2","6","6","4","5","1") = "5"
    & skf21("1","1","2","6","6","4","6","1") = "5"
    & skf21("1","1","2","6","6","4","7","1") = "6"
    & skf21("1","1","2","6","6","5","1","1") = "5"
    & skf21("1","1","2","6","6","5","2","1") = "5"
    & skf21("1","1","2","6","6","5","3","1") = "5"
    & skf21("1","1","2","6","6","5","4","1") = "5"
    & skf21("1","1","2","6","6","5","5","1") = "5"
    & skf21("1","1","2","6","6","5","6","1") = "5"
    & skf21("1","1","2","6","6","5","7","1") = "6"
    & skf21("1","1","2","6","6","6","1","1") = "5"
    & skf21("1","1","2","6","6","6","2","1") = "5"
    & skf21("1","1","2","6","6","6","3","1") = "5"
    & skf21("1","1","2","6","6","6","4","1") = "5"
    & skf21("1","1","2","6","6","6","5","1") = "5"
    & skf21("1","1","2","6","6","6","6","1") = "5"
    & skf21("1","1","2","6","6","6","7","1") = "6"
    & skf21("1","1","2","6","6","7","1","1") = "6"
    & skf21("1","1","2","6","6","7","2","1") = "6"
    & skf21("1","1","2","6","6","7","3","1") = "6"
    & skf21("1","1","2","6","6","7","4","1") = "6"
    & skf21("1","1","2","6","6","7","5","1") = "6"
    & skf21("1","1","2","6","6","7","6","1") = "6"
    & skf21("1","1","2","6","6","7","7","1") = "6"
    & skf21("1","1","2","6","7","1","1","1") = "6"
    & skf21("1","1","2","6","7","1","2","1") = "6"
    & skf21("1","1","2","6","7","1","3","1") = "6"
    & skf21("1","1","2","6","7","1","4","1") = "6"
    & skf21("1","1","2","6","7","1","5","1") = "6"
    & skf21("1","1","2","6","7","1","6","1") = "6"
    & skf21("1","1","2","6","7","1","7","1") = "6"
    & skf21("1","1","2","6","7","2","1","1") = "6"
    & skf21("1","1","2","6","7","2","2","1") = "6"
    & skf21("1","1","2","6","7","2","3","1") = "6"
    & skf21("1","1","2","6","7","2","4","1") = "6"
    & skf21("1","1","2","6","7","2","5","1") = "6"
    & skf21("1","1","2","6","7","2","6","1") = "6"
    & skf21("1","1","2","6","7","2","7","1") = "6"
    & skf21("1","1","2","6","7","3","1","1") = "6"
    & skf21("1","1","2","6","7","3","2","1") = "6"
    & skf21("1","1","2","6","7","3","3","1") = "6"
    & skf21("1","1","2","6","7","3","4","1") = "6"
    & skf21("1","1","2","6","7","3","5","1") = "6"
    & skf21("1","1","2","6","7","3","6","1") = "6"
    & skf21("1","1","2","6","7","3","7","1") = "6"
    & skf21("1","1","2","6","7","4","1","1") = "6"
    & skf21("1","1","2","6","7","4","2","1") = "6"
    & skf21("1","1","2","6","7","4","3","1") = "6"
    & skf21("1","1","2","6","7","4","4","1") = "6"
    & skf21("1","1","2","6","7","4","5","1") = "6"
    & skf21("1","1","2","6","7","4","6","1") = "6"
    & skf21("1","1","2","6","7","4","7","1") = "6"
    & skf21("1","1","2","6","7","5","1","1") = "6"
    & skf21("1","1","2","6","7","5","2","1") = "6"
    & skf21("1","1","2","6","7","5","3","1") = "6"
    & skf21("1","1","2","6","7","5","4","1") = "6"
    & skf21("1","1","2","6","7","5","5","1") = "6"
    & skf21("1","1","2","6","7","5","6","1") = "6"
    & skf21("1","1","2","6","7","5","7","1") = "6"
    & skf21("1","1","2","6","7","6","1","1") = "6"
    & skf21("1","1","2","6","7","6","2","1") = "6"
    & skf21("1","1","2","6","7","6","3","1") = "6"
    & skf21("1","1","2","6","7","6","4","1") = "6"
    & skf21("1","1","2","6","7","6","5","1") = "6"
    & skf21("1","1","2","6","7","6","6","1") = "6"
    & skf21("1","1","2","6","7","6","7","1") = "6"
    & skf21("1","1","2","6","7","7","1","1") = "6"
    & skf21("1","1","2","6","7","7","2","1") = "6"
    & skf21("1","1","2","6","7","7","3","1") = "6"
    & skf21("1","1","2","6","7","7","4","1") = "6"
    & skf21("1","1","2","6","7","7","5","1") = "6"
    & skf21("1","1","2","6","7","7","6","1") = "6"
    & skf21("1","1","2","6","7","7","7","1") = "6"
    & skf21("1","1","2","7","1","1","1","1") = "6"
    & skf21("1","1","2","7","1","1","2","1") = "6"
    & skf21("1","1","2","7","1","1","3","1") = "6"
    & skf21("1","1","2","7","1","1","4","1") = "6"
    & skf21("1","1","2","7","1","1","5","1") = "6"
    & skf21("1","1","2","7","1","1","6","1") = "6"
    & skf21("1","1","2","7","1","1","7","1") = "6"
    & skf21("1","1","2","7","1","2","1","1") = "6"
    & skf21("1","1","2","7","1","2","2","1") = "6"
    & skf21("1","1","2","7","1","2","3","1") = "6"
    & skf21("1","1","2","7","1","2","4","1") = "6"
    & skf21("1","1","2","7","1","2","5","1") = "6"
    & skf21("1","1","2","7","1","2","6","1") = "6"
    & skf21("1","1","2","7","1","2","7","1") = "6"
    & skf21("1","1","2","7","1","3","1","1") = "6"
    & skf21("1","1","2","7","1","3","2","1") = "6"
    & skf21("1","1","2","7","1","3","3","1") = "6"
    & skf21("1","1","2","7","1","3","4","1") = "6"
    & skf21("1","1","2","7","1","3","5","1") = "6"
    & skf21("1","1","2","7","1","3","6","1") = "6"
    & skf21("1","1","2","7","1","3","7","1") = "6"
    & skf21("1","1","2","7","1","4","1","1") = "6"
    & skf21("1","1","2","7","1","4","2","1") = "6"
    & skf21("1","1","2","7","1","4","3","1") = "6"
    & skf21("1","1","2","7","1","4","4","1") = "6"
    & skf21("1","1","2","7","1","4","5","1") = "6"
    & skf21("1","1","2","7","1","4","6","1") = "6"
    & skf21("1","1","2","7","1","4","7","1") = "6"
    & skf21("1","1","2","7","1","5","1","1") = "6"
    & skf21("1","1","2","7","1","5","2","1") = "6"
    & skf21("1","1","2","7","1","5","3","1") = "6"
    & skf21("1","1","2","7","1","5","4","1") = "6"
    & skf21("1","1","2","7","1","5","5","1") = "6"
    & skf21("1","1","2","7","1","5","6","1") = "6"
    & skf21("1","1","2","7","1","5","7","1") = "6"
    & skf21("1","1","2","7","1","6","1","1") = "6"
    & skf21("1","1","2","7","1","6","2","1") = "6"
    & skf21("1","1","2","7","1","6","3","1") = "6"
    & skf21("1","1","2","7","1","6","4","1") = "6"
    & skf21("1","1","2","7","1","6","5","1") = "6"
    & skf21("1","1","2","7","1","6","6","1") = "6"
    & skf21("1","1","2","7","1","6","7","1") = "6"
    & skf21("1","1","2","7","1","7","1","1") = "6"
    & skf21("1","1","2","7","1","7","2","1") = "6"
    & skf21("1","1","2","7","1","7","3","1") = "6"
    & skf21("1","1","2","7","1","7","4","1") = "6"
    & skf21("1","1","2","7","1","7","5","1") = "6"
    & skf21("1","1","2","7","1","7","6","1") = "6"
    & skf21("1","1","2","7","1","7","7","1") = "6"
    & skf21("1","1","2","7","2","1","1","1") = "6"
    & skf21("1","1","2","7","2","1","2","1") = "6"
    & skf21("1","1","2","7","2","1","3","1") = "6"
    & skf21("1","1","2","7","2","1","4","1") = "6"
    & skf21("1","1","2","7","2","1","5","1") = "6"
    & skf21("1","1","2","7","2","1","6","1") = "6"
    & skf21("1","1","2","7","2","1","7","1") = "6"
    & skf21("1","1","2","7","2","2","1","1") = "6"
    & skf21("1","1","2","7","2","2","2","1") = "6"
    & skf21("1","1","2","7","2","2","3","1") = "6"
    & skf21("1","1","2","7","2","2","4","1") = "6"
    & skf21("1","1","2","7","2","2","5","1") = "6"
    & skf21("1","1","2","7","2","2","6","1") = "6"
    & skf21("1","1","2","7","2","2","7","1") = "6"
    & skf21("1","1","2","7","2","3","1","1") = "6"
    & skf21("1","1","2","7","2","3","2","1") = "6"
    & skf21("1","1","2","7","2","3","3","1") = "6"
    & skf21("1","1","2","7","2","3","4","1") = "6"
    & skf21("1","1","2","7","2","3","5","1") = "6"
    & skf21("1","1","2","7","2","3","6","1") = "6"
    & skf21("1","1","2","7","2","3","7","1") = "6"
    & skf21("1","1","2","7","2","4","1","1") = "6"
    & skf21("1","1","2","7","2","4","2","1") = "6"
    & skf21("1","1","2","7","2","4","3","1") = "6"
    & skf21("1","1","2","7","2","4","4","1") = "6"
    & skf21("1","1","2","7","2","4","5","1") = "6"
    & skf21("1","1","2","7","2","4","6","1") = "6"
    & skf21("1","1","2","7","2","4","7","1") = "6"
    & skf21("1","1","2","7","2","5","1","1") = "6"
    & skf21("1","1","2","7","2","5","2","1") = "6"
    & skf21("1","1","2","7","2","5","3","1") = "6"
    & skf21("1","1","2","7","2","5","4","1") = "6"
    & skf21("1","1","2","7","2","5","5","1") = "6"
    & skf21("1","1","2","7","2","5","6","1") = "6"
    & skf21("1","1","2","7","2","5","7","1") = "6"
    & skf21("1","1","2","7","2","6","1","1") = "6"
    & skf21("1","1","2","7","2","6","2","1") = "6"
    & skf21("1","1","2","7","2","6","3","1") = "6"
    & skf21("1","1","2","7","2","6","4","1") = "6"
    & skf21("1","1","2","7","2","6","5","1") = "6"
    & skf21("1","1","2","7","2","6","6","1") = "6"
    & skf21("1","1","2","7","2","6","7","1") = "6"
    & skf21("1","1","2","7","2","7","1","1") = "6"
    & skf21("1","1","2","7","2","7","2","1") = "6"
    & skf21("1","1","2","7","2","7","3","1") = "6"
    & skf21("1","1","2","7","2","7","4","1") = "6"
    & skf21("1","1","2","7","2","7","5","1") = "6"
    & skf21("1","1","2","7","2","7","6","1") = "6"
    & skf21("1","1","2","7","2","7","7","1") = "6"
    & skf21("1","1","2","7","3","1","1","1") = "6"
    & skf21("1","1","2","7","3","1","2","1") = "6"
    & skf21("1","1","2","7","3","1","3","1") = "6"
    & skf21("1","1","2","7","3","1","4","1") = "6"
    & skf21("1","1","2","7","3","1","5","1") = "6"
    & skf21("1","1","2","7","3","1","6","1") = "6"
    & skf21("1","1","2","7","3","1","7","1") = "6"
    & skf21("1","1","2","7","3","2","1","1") = "6"
    & skf21("1","1","2","7","3","2","2","1") = "6"
    & skf21("1","1","2","7","3","2","3","1") = "6"
    & skf21("1","1","2","7","3","2","4","1") = "6"
    & skf21("1","1","2","7","3","2","5","1") = "6"
    & skf21("1","1","2","7","3","2","6","1") = "6"
    & skf21("1","1","2","7","3","2","7","1") = "6"
    & skf21("1","1","2","7","3","3","1","1") = "6"
    & skf21("1","1","2","7","3","3","2","1") = "6"
    & skf21("1","1","2","7","3","3","3","1") = "6"
    & skf21("1","1","2","7","3","3","4","1") = "6"
    & skf21("1","1","2","7","3","3","5","1") = "6"
    & skf21("1","1","2","7","3","3","6","1") = "6"
    & skf21("1","1","2","7","3","3","7","1") = "6"
    & skf21("1","1","2","7","3","4","1","1") = "6"
    & skf21("1","1","2","7","3","4","2","1") = "6"
    & skf21("1","1","2","7","3","4","3","1") = "6"
    & skf21("1","1","2","7","3","4","4","1") = "6"
    & skf21("1","1","2","7","3","4","5","1") = "6"
    & skf21("1","1","2","7","3","4","6","1") = "6"
    & skf21("1","1","2","7","3","4","7","1") = "6"
    & skf21("1","1","2","7","3","5","1","1") = "6"
    & skf21("1","1","2","7","3","5","2","1") = "6"
    & skf21("1","1","2","7","3","5","3","1") = "6"
    & skf21("1","1","2","7","3","5","4","1") = "6"
    & skf21("1","1","2","7","3","5","5","1") = "6"
    & skf21("1","1","2","7","3","5","6","1") = "6"
    & skf21("1","1","2","7","3","5","7","1") = "6"
    & skf21("1","1","2","7","3","6","1","1") = "6"
    & skf21("1","1","2","7","3","6","2","1") = "6"
    & skf21("1","1","2","7","3","6","3","1") = "6"
    & skf21("1","1","2","7","3","6","4","1") = "6"
    & skf21("1","1","2","7","3","6","5","1") = "6"
    & skf21("1","1","2","7","3","6","6","1") = "6"
    & skf21("1","1","2","7","3","6","7","1") = "6"
    & skf21("1","1","2","7","3","7","1","1") = "6"
    & skf21("1","1","2","7","3","7","2","1") = "6"
    & skf21("1","1","2","7","3","7","3","1") = "6"
    & skf21("1","1","2","7","3","7","4","1") = "6"
    & skf21("1","1","2","7","3","7","5","1") = "6"
    & skf21("1","1","2","7","3","7","6","1") = "6"
    & skf21("1","1","2","7","3","7","7","1") = "6"
    & skf21("1","1","2","7","4","1","1","1") = "6"
    & skf21("1","1","2","7","4","1","2","1") = "6"
    & skf21("1","1","2","7","4","1","3","1") = "6"
    & skf21("1","1","2","7","4","1","4","1") = "6"
    & skf21("1","1","2","7","4","1","5","1") = "6"
    & skf21("1","1","2","7","4","1","6","1") = "6"
    & skf21("1","1","2","7","4","1","7","1") = "6"
    & skf21("1","1","2","7","4","2","1","1") = "6"
    & skf21("1","1","2","7","4","2","2","1") = "6"
    & skf21("1","1","2","7","4","2","3","1") = "6"
    & skf21("1","1","2","7","4","2","4","1") = "6"
    & skf21("1","1","2","7","4","2","5","1") = "6"
    & skf21("1","1","2","7","4","2","6","1") = "6"
    & skf21("1","1","2","7","4","2","7","1") = "6"
    & skf21("1","1","2","7","4","3","1","1") = "6"
    & skf21("1","1","2","7","4","3","2","1") = "6"
    & skf21("1","1","2","7","4","3","3","1") = "6"
    & skf21("1","1","2","7","4","3","4","1") = "6"
    & skf21("1","1","2","7","4","3","5","1") = "6"
    & skf21("1","1","2","7","4","3","6","1") = "6"
    & skf21("1","1","2","7","4","3","7","1") = "6"
    & skf21("1","1","2","7","4","4","1","1") = "6"
    & skf21("1","1","2","7","4","4","2","1") = "6"
    & skf21("1","1","2","7","4","4","3","1") = "6"
    & skf21("1","1","2","7","4","4","4","1") = "6"
    & skf21("1","1","2","7","4","4","5","1") = "6"
    & skf21("1","1","2","7","4","4","6","1") = "6"
    & skf21("1","1","2","7","4","4","7","1") = "6"
    & skf21("1","1","2","7","4","5","1","1") = "6"
    & skf21("1","1","2","7","4","5","2","1") = "6"
    & skf21("1","1","2","7","4","5","3","1") = "6"
    & skf21("1","1","2","7","4","5","4","1") = "6"
    & skf21("1","1","2","7","4","5","5","1") = "6"
    & skf21("1","1","2","7","4","5","6","1") = "6"
    & skf21("1","1","2","7","4","5","7","1") = "6"
    & skf21("1","1","2","7","4","6","1","1") = "6"
    & skf21("1","1","2","7","4","6","2","1") = "6"
    & skf21("1","1","2","7","4","6","3","1") = "6"
    & skf21("1","1","2","7","4","6","4","1") = "6"
    & skf21("1","1","2","7","4","6","5","1") = "6"
    & skf21("1","1","2","7","4","6","6","1") = "6"
    & skf21("1","1","2","7","4","6","7","1") = "6"
    & skf21("1","1","2","7","4","7","1","1") = "6"
    & skf21("1","1","2","7","4","7","2","1") = "6"
    & skf21("1","1","2","7","4","7","3","1") = "6"
    & skf21("1","1","2","7","4","7","4","1") = "6"
    & skf21("1","1","2","7","4","7","5","1") = "6"
    & skf21("1","1","2","7","4","7","6","1") = "6"
    & skf21("1","1","2","7","4","7","7","1") = "6"
    & skf21("1","1","2","7","5","1","1","1") = "6"
    & skf21("1","1","2","7","5","1","2","1") = "6"
    & skf21("1","1","2","7","5","1","3","1") = "6"
    & skf21("1","1","2","7","5","1","4","1") = "6"
    & skf21("1","1","2","7","5","1","5","1") = "6"
    & skf21("1","1","2","7","5","1","6","1") = "6"
    & skf21("1","1","2","7","5","1","7","1") = "6"
    & skf21("1","1","2","7","5","2","1","1") = "6"
    & skf21("1","1","2","7","5","2","2","1") = "6"
    & skf21("1","1","2","7","5","2","3","1") = "6"
    & skf21("1","1","2","7","5","2","4","1") = "6"
    & skf21("1","1","2","7","5","2","5","1") = "6"
    & skf21("1","1","2","7","5","2","6","1") = "6"
    & skf21("1","1","2","7","5","2","7","1") = "6"
    & skf21("1","1","2","7","5","3","1","1") = "6"
    & skf21("1","1","2","7","5","3","2","1") = "6"
    & skf21("1","1","2","7","5","3","3","1") = "6"
    & skf21("1","1","2","7","5","3","4","1") = "6"
    & skf21("1","1","2","7","5","3","5","1") = "6"
    & skf21("1","1","2","7","5","3","6","1") = "6"
    & skf21("1","1","2","7","5","3","7","1") = "6"
    & skf21("1","1","2","7","5","4","1","1") = "6"
    & skf21("1","1","2","7","5","4","2","1") = "6"
    & skf21("1","1","2","7","5","4","3","1") = "6"
    & skf21("1","1","2","7","5","4","4","1") = "6"
    & skf21("1","1","2","7","5","4","5","1") = "6"
    & skf21("1","1","2","7","5","4","6","1") = "6"
    & skf21("1","1","2","7","5","4","7","1") = "6"
    & skf21("1","1","2","7","5","5","1","1") = "6"
    & skf21("1","1","2","7","5","5","2","1") = "6"
    & skf21("1","1","2","7","5","5","3","1") = "6"
    & skf21("1","1","2","7","5","5","4","1") = "6"
    & skf21("1","1","2","7","5","5","5","1") = "6"
    & skf21("1","1","2","7","5","5","6","1") = "6"
    & skf21("1","1","2","7","5","5","7","1") = "6"
    & skf21("1","1","2","7","5","6","1","1") = "6"
    & skf21("1","1","2","7","5","6","2","1") = "6"
    & skf21("1","1","2","7","5","6","3","1") = "6"
    & skf21("1","1","2","7","5","6","4","1") = "6"
    & skf21("1","1","2","7","5","6","5","1") = "6"
    & skf21("1","1","2","7","5","6","6","1") = "6"
    & skf21("1","1","2","7","5","6","7","1") = "6"
    & skf21("1","1","2","7","5","7","1","1") = "6"
    & skf21("1","1","2","7","5","7","2","1") = "6"
    & skf21("1","1","2","7","5","7","3","1") = "6"
    & skf21("1","1","2","7","5","7","4","1") = "6"
    & skf21("1","1","2","7","5","7","5","1") = "6"
    & skf21("1","1","2","7","5","7","6","1") = "6"
    & skf21("1","1","2","7","5","7","7","1") = "6"
    & skf21("1","1","2","7","6","1","1","1") = "6"
    & skf21("1","1","2","7","6","1","2","1") = "6"
    & skf21("1","1","2","7","6","1","3","1") = "6"
    & skf21("1","1","2","7","6","1","4","1") = "6"
    & skf21("1","1","2","7","6","1","5","1") = "6"
    & skf21("1","1","2","7","6","1","6","1") = "6"
    & skf21("1","1","2","7","6","1","7","1") = "6"
    & skf21("1","1","2","7","6","2","1","1") = "6"
    & skf21("1","1","2","7","6","2","2","1") = "6"
    & skf21("1","1","2","7","6","2","3","1") = "6"
    & skf21("1","1","2","7","6","2","4","1") = "6"
    & skf21("1","1","2","7","6","2","5","1") = "6"
    & skf21("1","1","2","7","6","2","6","1") = "6"
    & skf21("1","1","2","7","6","2","7","1") = "6"
    & skf21("1","1","2","7","6","3","1","1") = "6"
    & skf21("1","1","2","7","6","3","2","1") = "6"
    & skf21("1","1","2","7","6","3","3","1") = "6"
    & skf21("1","1","2","7","6","3","4","1") = "6"
    & skf21("1","1","2","7","6","3","5","1") = "6"
    & skf21("1","1","2","7","6","3","6","1") = "6"
    & skf21("1","1","2","7","6","3","7","1") = "6"
    & skf21("1","1","2","7","6","4","1","1") = "6"
    & skf21("1","1","2","7","6","4","2","1") = "6"
    & skf21("1","1","2","7","6","4","3","1") = "6"
    & skf21("1","1","2","7","6","4","4","1") = "6"
    & skf21("1","1","2","7","6","4","5","1") = "6"
    & skf21("1","1","2","7","6","4","6","1") = "6"
    & skf21("1","1","2","7","6","4","7","1") = "6"
    & skf21("1","1","2","7","6","5","1","1") = "6"
    & skf21("1","1","2","7","6","5","2","1") = "6"
    & skf21("1","1","2","7","6","5","3","1") = "6"
    & skf21("1","1","2","7","6","5","4","1") = "6"
    & skf21("1","1","2","7","6","5","5","1") = "6"
    & skf21("1","1","2","7","6","5","6","1") = "6"
    & skf21("1","1","2","7","6","5","7","1") = "6"
    & skf21("1","1","2","7","6","6","1","1") = "6"
    & skf21("1","1","2","7","6","6","2","1") = "6"
    & skf21("1","1","2","7","6","6","3","1") = "6"
    & skf21("1","1","2","7","6","6","4","1") = "6"
    & skf21("1","1","2","7","6","6","5","1") = "6"
    & skf21("1","1","2","7","6","6","6","1") = "6"
    & skf21("1","1","2","7","6","6","7","1") = "6"
    & skf21("1","1","2","7","6","7","1","1") = "6"
    & skf21("1","1","2","7","6","7","2","1") = "6"
    & skf21("1","1","2","7","6","7","3","1") = "6"
    & skf21("1","1","2","7","6","7","4","1") = "6"
    & skf21("1","1","2","7","6","7","5","1") = "6"
    & skf21("1","1","2","7","6","7","6","1") = "6"
    & skf21("1","1","2","7","6","7","7","1") = "6"
    & skf21("1","1","2","7","7","1","1","1") = "6"
    & skf21("1","1","2","7","7","1","2","1") = "6"
    & skf21("1","1","2","7","7","1","3","1") = "6"
    & skf21("1","1","2","7","7","1","4","1") = "6"
    & skf21("1","1","2","7","7","1","5","1") = "6"
    & skf21("1","1","2","7","7","1","6","1") = "6"
    & skf21("1","1","2","7","7","1","7","1") = "6"
    & skf21("1","1","2","7","7","2","1","1") = "6"
    & skf21("1","1","2","7","7","2","2","1") = "6"
    & skf21("1","1","2","7","7","2","3","1") = "6"
    & skf21("1","1","2","7","7","2","4","1") = "6"
    & skf21("1","1","2","7","7","2","5","1") = "6"
    & skf21("1","1","2","7","7","2","6","1") = "6"
    & skf21("1","1","2","7","7","2","7","1") = "6"
    & skf21("1","1","2","7","7","3","1","1") = "6"
    & skf21("1","1","2","7","7","3","2","1") = "6"
    & skf21("1","1","2","7","7","3","3","1") = "6"
    & skf21("1","1","2","7","7","3","4","1") = "6"
    & skf21("1","1","2","7","7","3","5","1") = "6"
    & skf21("1","1","2","7","7","3","6","1") = "6"
    & skf21("1","1","2","7","7","3","7","1") = "6"
    & skf21("1","1","2","7","7","4","1","1") = "6"
    & skf21("1","1","2","7","7","4","2","1") = "6"
    & skf21("1","1","2","7","7","4","3","1") = "6"
    & skf21("1","1","2","7","7","4","4","1") = "6"
    & skf21("1","1","2","7","7","4","5","1") = "6"
    & skf21("1","1","2","7","7","4","6","1") = "6"
    & skf21("1","1","2","7","7","4","7","1") = "6"
    & skf21("1","1","2","7","7","5","1","1") = "6"
    & skf21("1","1","2","7","7","5","2","1") = "6"
    & skf21("1","1","2","7","7","5","3","1") = "6"
    & skf21("1","1","2","7","7","5","4","1") = "6"
    & skf21("1","1","2","7","7","5","5","1") = "6"
    & skf21("1","1","2","7","7","5","6","1") = "6"
    & skf21("1","1","2","7","7","5","7","1") = "6"
    & skf21("1","1","2","7","7","6","1","1") = "6"
    & skf21("1","1","2","7","7","6","2","1") = "6"
    & skf21("1","1","2","7","7","6","3","1") = "6"
    & skf21("1","1","2","7","7","6","4","1") = "6"
    & skf21("1","1","2","7","7","6","5","1") = "6"
    & skf21("1","1","2","7","7","6","6","1") = "6"
    & skf21("1","1","2","7","7","6","7","1") = "6"
    & skf21("1","1","2","7","7","7","1","1") = "6"
    & skf21("1","1","2","7","7","7","2","1") = "6"
    & skf21("1","1","2","7","7","7","3","1") = "6"
    & skf21("1","1","2","7","7","7","4","1") = "6"
    & skf21("1","1","2","7","7","7","5","1") = "6"
    & skf21("1","1","2","7","7","7","6","1") = "6"
    & skf21("1","1","2","7","7","7","7","1") = "6"
    & skf21("1","1","3","1","1","1","1","1") = "2"
    & skf21("1","1","3","1","1","1","2","1") = "2"
    & skf21("1","1","3","1","1","1","3","1") = "2"
    & skf21("1","1","3","1","1","1","4","1") = "3"
    & skf21("1","1","3","1","1","1","5","1") = "4"
    & skf21("1","1","3","1","1","1","6","1") = "5"
    & skf21("1","1","3","1","1","1","7","1") = "6"
    & skf21("1","1","3","1","1","2","1","1") = "2"
    & skf21("1","1","3","1","1","2","2","1") = "2"
    & skf21("1","1","3","1","1","2","3","1") = "2"
    & skf21("1","1","3","1","1","2","4","1") = "3"
    & skf21("1","1","3","1","1","2","5","1") = "4"
    & skf21("1","1","3","1","1","2","6","1") = "5"
    & skf21("1","1","3","1","1","2","7","1") = "6"
    & skf21("1","1","3","1","1","3","1","1") = "2"
    & skf21("1","1","3","1","1","3","2","1") = "2"
    & skf21("1","1","3","1","1","3","3","1") = "2"
    & skf21("1","1","3","1","1","3","4","1") = "3"
    & skf21("1","1","3","1","1","3","5","1") = "4"
    & skf21("1","1","3","1","1","3","6","1") = "5"
    & skf21("1","1","3","1","1","3","7","1") = "6"
    & skf21("1","1","3","1","1","4","1","1") = "3"
    & skf21("1","1","3","1","1","4","2","1") = "3"
    & skf21("1","1","3","1","1","4","3","1") = "3"
    & skf21("1","1","3","1","1","4","4","1") = "3"
    & skf21("1","1","3","1","1","4","5","1") = "4"
    & skf21("1","1","3","1","1","4","6","1") = "5"
    & skf21("1","1","3","1","1","4","7","1") = "6"
    & skf21("1","1","3","1","1","5","1","1") = "4"
    & skf21("1","1","3","1","1","5","2","1") = "4"
    & skf21("1","1","3","1","1","5","3","1") = "4"
    & skf21("1","1","3","1","1","5","4","1") = "4"
    & skf21("1","1","3","1","1","5","5","1") = "4"
    & skf21("1","1","3","1","1","5","6","1") = "5"
    & skf21("1","1","3","1","1","5","7","1") = "6"
    & skf21("1","1","3","1","1","6","1","1") = "5"
    & skf21("1","1","3","1","1","6","2","1") = "5"
    & skf21("1","1","3","1","1","6","3","1") = "5"
    & skf21("1","1","3","1","1","6","4","1") = "5"
    & skf21("1","1","3","1","1","6","5","1") = "5"
    & skf21("1","1","3","1","1","6","6","1") = "5"
    & skf21("1","1","3","1","1","6","7","1") = "6"
    & skf21("1","1","3","1","1","7","1","1") = "6"
    & skf21("1","1","3","1","1","7","2","1") = "6"
    & skf21("1","1","3","1","1","7","3","1") = "6"
    & skf21("1","1","3","1","1","7","4","1") = "6"
    & skf21("1","1","3","1","1","7","5","1") = "6"
    & skf21("1","1","3","1","1","7","6","1") = "6"
    & skf21("1","1","3","1","1","7","7","1") = "6"
    & skf21("1","1","3","1","2","1","1","1") = "2"
    & skf21("1","1","3","1","2","1","2","1") = "2"
    & skf21("1","1","3","1","2","1","3","1") = "2"
    & skf21("1","1","3","1","2","1","4","1") = "3"
    & skf21("1","1","3","1","2","1","5","1") = "4"
    & skf21("1","1","3","1","2","1","6","1") = "5"
    & skf21("1","1","3","1","2","1","7","1") = "6"
    & skf21("1","1","3","1","2","2","1","1") = "2"
    & skf21("1","1","3","1","2","2","2","1") = "2"
    & skf21("1","1","3","1","2","2","3","1") = "2"
    & skf21("1","1","3","1","2","2","4","1") = "3"
    & skf21("1","1","3","1","2","2","5","1") = "4"
    & skf21("1","1","3","1","2","2","6","1") = "5"
    & skf21("1","1","3","1","2","2","7","1") = "6"
    & skf21("1","1","3","1","2","3","1","1") = "2"
    & skf21("1","1","3","1","2","3","2","1") = "2"
    & skf21("1","1","3","1","2","3","3","1") = "2"
    & skf21("1","1","3","1","2","3","4","1") = "3"
    & skf21("1","1","3","1","2","3","5","1") = "4"
    & skf21("1","1","3","1","2","3","6","1") = "5"
    & skf21("1","1","3","1","2","3","7","1") = "6"
    & skf21("1","1","3","1","2","4","1","1") = "3"
    & skf21("1","1","3","1","2","4","2","1") = "3"
    & skf21("1","1","3","1","2","4","3","1") = "3"
    & skf21("1","1","3","1","2","4","4","1") = "3"
    & skf21("1","1","3","1","2","4","5","1") = "4"
    & skf21("1","1","3","1","2","4","6","1") = "5"
    & skf21("1","1","3","1","2","4","7","1") = "6"
    & skf21("1","1","3","1","2","5","1","1") = "4"
    & skf21("1","1","3","1","2","5","2","1") = "4"
    & skf21("1","1","3","1","2","5","3","1") = "4"
    & skf21("1","1","3","1","2","5","4","1") = "4"
    & skf21("1","1","3","1","2","5","5","1") = "4"
    & skf21("1","1","3","1","2","5","6","1") = "5"
    & skf21("1","1","3","1","2","5","7","1") = "6"
    & skf21("1","1","3","1","2","6","1","1") = "5"
    & skf21("1","1","3","1","2","6","2","1") = "5"
    & skf21("1","1","3","1","2","6","3","1") = "5"
    & skf21("1","1","3","1","2","6","4","1") = "5"
    & skf21("1","1","3","1","2","6","5","1") = "5"
    & skf21("1","1","3","1","2","6","6","1") = "5"
    & skf21("1","1","3","1","2","6","7","1") = "6"
    & skf21("1","1","3","1","2","7","1","1") = "6"
    & skf21("1","1","3","1","2","7","2","1") = "6"
    & skf21("1","1","3","1","2","7","3","1") = "6"
    & skf21("1","1","3","1","2","7","4","1") = "6"
    & skf21("1","1","3","1","2","7","5","1") = "6"
    & skf21("1","1","3","1","2","7","6","1") = "6"
    & skf21("1","1","3","1","2","7","7","1") = "6"
    & skf21("1","1","3","1","3","1","1","1") = "2"
    & skf21("1","1","3","1","3","1","2","1") = "2"
    & skf21("1","1","3","1","3","1","3","1") = "2"
    & skf21("1","1","3","1","3","1","4","1") = "3"
    & skf21("1","1","3","1","3","1","5","1") = "4"
    & skf21("1","1","3","1","3","1","6","1") = "5"
    & skf21("1","1","3","1","3","1","7","1") = "6"
    & skf21("1","1","3","1","3","2","1","1") = "2"
    & skf21("1","1","3","1","3","2","2","1") = "2"
    & skf21("1","1","3","1","3","2","3","1") = "2"
    & skf21("1","1","3","1","3","2","4","1") = "3"
    & skf21("1","1","3","1","3","2","5","1") = "4"
    & skf21("1","1","3","1","3","2","6","1") = "5"
    & skf21("1","1","3","1","3","2","7","1") = "6"
    & skf21("1","1","3","1","3","3","1","1") = "2"
    & skf21("1","1","3","1","3","3","2","1") = "2"
    & skf21("1","1","3","1","3","3","3","1") = "2"
    & skf21("1","1","3","1","3","3","4","1") = "3"
    & skf21("1","1","3","1","3","3","5","1") = "4"
    & skf21("1","1","3","1","3","3","6","1") = "5"
    & skf21("1","1","3","1","3","3","7","1") = "6"
    & skf21("1","1","3","1","3","4","1","1") = "3"
    & skf21("1","1","3","1","3","4","2","1") = "3"
    & skf21("1","1","3","1","3","4","3","1") = "3"
    & skf21("1","1","3","1","3","4","4","1") = "3"
    & skf21("1","1","3","1","3","4","5","1") = "4"
    & skf21("1","1","3","1","3","4","6","1") = "5"
    & skf21("1","1","3","1","3","4","7","1") = "6"
    & skf21("1","1","3","1","3","5","1","1") = "4"
    & skf21("1","1","3","1","3","5","2","1") = "4"
    & skf21("1","1","3","1","3","5","3","1") = "4"
    & skf21("1","1","3","1","3","5","4","1") = "4"
    & skf21("1","1","3","1","3","5","5","1") = "4"
    & skf21("1","1","3","1","3","5","6","1") = "5"
    & skf21("1","1","3","1","3","5","7","1") = "6"
    & skf21("1","1","3","1","3","6","1","1") = "5"
    & skf21("1","1","3","1","3","6","2","1") = "5"
    & skf21("1","1","3","1","3","6","3","1") = "5"
    & skf21("1","1","3","1","3","6","4","1") = "5"
    & skf21("1","1","3","1","3","6","5","1") = "5"
    & skf21("1","1","3","1","3","6","6","1") = "5"
    & skf21("1","1","3","1","3","6","7","1") = "6"
    & skf21("1","1","3","1","3","7","1","1") = "6"
    & skf21("1","1","3","1","3","7","2","1") = "6"
    & skf21("1","1","3","1","3","7","3","1") = "6"
    & skf21("1","1","3","1","3","7","4","1") = "6"
    & skf21("1","1","3","1","3","7","5","1") = "6"
    & skf21("1","1","3","1","3","7","6","1") = "6"
    & skf21("1","1","3","1","3","7","7","1") = "6"
    & skf21("1","1","3","1","4","1","1","1") = "3"
    & skf21("1","1","3","1","4","1","2","1") = "3"
    & skf21("1","1","3","1","4","1","3","1") = "3"
    & skf21("1","1","3","1","4","1","4","1") = "3"
    & skf21("1","1","3","1","4","1","5","1") = "4"
    & skf21("1","1","3","1","4","1","6","1") = "5"
    & skf21("1","1","3","1","4","1","7","1") = "6"
    & skf21("1","1","3","1","4","2","1","1") = "3"
    & skf21("1","1","3","1","4","2","2","1") = "3"
    & skf21("1","1","3","1","4","2","3","1") = "3"
    & skf21("1","1","3","1","4","2","4","1") = "3"
    & skf21("1","1","3","1","4","2","5","1") = "4"
    & skf21("1","1","3","1","4","2","6","1") = "5"
    & skf21("1","1","3","1","4","2","7","1") = "6"
    & skf21("1","1","3","1","4","3","1","1") = "3"
    & skf21("1","1","3","1","4","3","2","1") = "3"
    & skf21("1","1","3","1","4","3","3","1") = "3"
    & skf21("1","1","3","1","4","3","4","1") = "3"
    & skf21("1","1","3","1","4","3","5","1") = "4"
    & skf21("1","1","3","1","4","3","6","1") = "5"
    & skf21("1","1","3","1","4","3","7","1") = "6"
    & skf21("1","1","3","1","4","4","1","1") = "3"
    & skf21("1","1","3","1","4","4","2","1") = "3"
    & skf21("1","1","3","1","4","4","3","1") = "3"
    & skf21("1","1","3","1","4","4","4","1") = "3"
    & skf21("1","1","3","1","4","4","5","1") = "4"
    & skf21("1","1","3","1","4","4","6","1") = "5"
    & skf21("1","1","3","1","4","4","7","1") = "6"
    & skf21("1","1","3","1","4","5","1","1") = "4"
    & skf21("1","1","3","1","4","5","2","1") = "4"
    & skf21("1","1","3","1","4","5","3","1") = "4"
    & skf21("1","1","3","1","4","5","4","1") = "4"
    & skf21("1","1","3","1","4","5","5","1") = "4"
    & skf21("1","1","3","1","4","5","6","1") = "5"
    & skf21("1","1","3","1","4","5","7","1") = "6"
    & skf21("1","1","3","1","4","6","1","1") = "5"
    & skf21("1","1","3","1","4","6","2","1") = "5"
    & skf21("1","1","3","1","4","6","3","1") = "5"
    & skf21("1","1","3","1","4","6","4","1") = "5"
    & skf21("1","1","3","1","4","6","5","1") = "5"
    & skf21("1","1","3","1","4","6","6","1") = "5"
    & skf21("1","1","3","1","4","6","7","1") = "6"
    & skf21("1","1","3","1","4","7","1","1") = "6"
    & skf21("1","1","3","1","4","7","2","1") = "6"
    & skf21("1","1","3","1","4","7","3","1") = "6"
    & skf21("1","1","3","1","4","7","4","1") = "6"
    & skf21("1","1","3","1","4","7","5","1") = "6"
    & skf21("1","1","3","1","4","7","6","1") = "6"
    & skf21("1","1","3","1","4","7","7","1") = "6"
    & skf21("1","1","3","1","5","1","1","1") = "4"
    & skf21("1","1","3","1","5","1","2","1") = "4"
    & skf21("1","1","3","1","5","1","3","1") = "4"
    & skf21("1","1","3","1","5","1","4","1") = "4"
    & skf21("1","1","3","1","5","1","5","1") = "4"
    & skf21("1","1","3","1","5","1","6","1") = "5"
    & skf21("1","1","3","1","5","1","7","1") = "6"
    & skf21("1","1","3","1","5","2","1","1") = "4"
    & skf21("1","1","3","1","5","2","2","1") = "4"
    & skf21("1","1","3","1","5","2","3","1") = "4"
    & skf21("1","1","3","1","5","2","4","1") = "4"
    & skf21("1","1","3","1","5","2","5","1") = "4"
    & skf21("1","1","3","1","5","2","6","1") = "5"
    & skf21("1","1","3","1","5","2","7","1") = "6"
    & skf21("1","1","3","1","5","3","1","1") = "4"
    & skf21("1","1","3","1","5","3","2","1") = "4"
    & skf21("1","1","3","1","5","3","3","1") = "4"
    & skf21("1","1","3","1","5","3","4","1") = "4"
    & skf21("1","1","3","1","5","3","5","1") = "4"
    & skf21("1","1","3","1","5","3","6","1") = "5"
    & skf21("1","1","3","1","5","3","7","1") = "6"
    & skf21("1","1","3","1","5","4","1","1") = "4"
    & skf21("1","1","3","1","5","4","2","1") = "4"
    & skf21("1","1","3","1","5","4","3","1") = "4"
    & skf21("1","1","3","1","5","4","4","1") = "4"
    & skf21("1","1","3","1","5","4","5","1") = "4"
    & skf21("1","1","3","1","5","4","6","1") = "5"
    & skf21("1","1","3","1","5","4","7","1") = "6"
    & skf21("1","1","3","1","5","5","1","1") = "4"
    & skf21("1","1","3","1","5","5","2","1") = "4"
    & skf21("1","1","3","1","5","5","3","1") = "4"
    & skf21("1","1","3","1","5","5","4","1") = "4"
    & skf21("1","1","3","1","5","5","5","1") = "4"
    & skf21("1","1","3","1","5","5","6","1") = "5"
    & skf21("1","1","3","1","5","5","7","1") = "6"
    & skf21("1","1","3","1","5","6","1","1") = "5"
    & skf21("1","1","3","1","5","6","2","1") = "5"
    & skf21("1","1","3","1","5","6","3","1") = "5"
    & skf21("1","1","3","1","5","6","4","1") = "5"
    & skf21("1","1","3","1","5","6","5","1") = "5"
    & skf21("1","1","3","1","5","6","6","1") = "5"
    & skf21("1","1","3","1","5","6","7","1") = "6"
    & skf21("1","1","3","1","5","7","1","1") = "6"
    & skf21("1","1","3","1","5","7","2","1") = "6"
    & skf21("1","1","3","1","5","7","3","1") = "6"
    & skf21("1","1","3","1","5","7","4","1") = "6"
    & skf21("1","1","3","1","5","7","5","1") = "6"
    & skf21("1","1","3","1","5","7","6","1") = "6"
    & skf21("1","1","3","1","5","7","7","1") = "6"
    & skf21("1","1","3","1","6","1","1","1") = "5"
    & skf21("1","1","3","1","6","1","2","1") = "5"
    & skf21("1","1","3","1","6","1","3","1") = "5"
    & skf21("1","1","3","1","6","1","4","1") = "5"
    & skf21("1","1","3","1","6","1","5","1") = "5"
    & skf21("1","1","3","1","6","1","6","1") = "5"
    & skf21("1","1","3","1","6","1","7","1") = "6"
    & skf21("1","1","3","1","6","2","1","1") = "5"
    & skf21("1","1","3","1","6","2","2","1") = "5"
    & skf21("1","1","3","1","6","2","3","1") = "5"
    & skf21("1","1","3","1","6","2","4","1") = "5"
    & skf21("1","1","3","1","6","2","5","1") = "5"
    & skf21("1","1","3","1","6","2","6","1") = "5"
    & skf21("1","1","3","1","6","2","7","1") = "6"
    & skf21("1","1","3","1","6","3","1","1") = "5"
    & skf21("1","1","3","1","6","3","2","1") = "5"
    & skf21("1","1","3","1","6","3","3","1") = "5"
    & skf21("1","1","3","1","6","3","4","1") = "5"
    & skf21("1","1","3","1","6","3","5","1") = "5"
    & skf21("1","1","3","1","6","3","6","1") = "5"
    & skf21("1","1","3","1","6","3","7","1") = "6"
    & skf21("1","1","3","1","6","4","1","1") = "5"
    & skf21("1","1","3","1","6","4","2","1") = "5"
    & skf21("1","1","3","1","6","4","3","1") = "5"
    & skf21("1","1","3","1","6","4","4","1") = "5"
    & skf21("1","1","3","1","6","4","5","1") = "5"
    & skf21("1","1","3","1","6","4","6","1") = "5"
    & skf21("1","1","3","1","6","4","7","1") = "6"
    & skf21("1","1","3","1","6","5","1","1") = "5"
    & skf21("1","1","3","1","6","5","2","1") = "5"
    & skf21("1","1","3","1","6","5","3","1") = "5"
    & skf21("1","1","3","1","6","5","4","1") = "5"
    & skf21("1","1","3","1","6","5","5","1") = "5"
    & skf21("1","1","3","1","6","5","6","1") = "5"
    & skf21("1","1","3","1","6","5","7","1") = "6"
    & skf21("1","1","3","1","6","6","1","1") = "5"
    & skf21("1","1","3","1","6","6","2","1") = "5"
    & skf21("1","1","3","1","6","6","3","1") = "5"
    & skf21("1","1","3","1","6","6","4","1") = "5"
    & skf21("1","1","3","1","6","6","5","1") = "5"
    & skf21("1","1","3","1","6","6","6","1") = "5"
    & skf21("1","1","3","1","6","6","7","1") = "6"
    & skf21("1","1","3","1","6","7","1","1") = "6"
    & skf21("1","1","3","1","6","7","2","1") = "6"
    & skf21("1","1","3","1","6","7","3","1") = "6"
    & skf21("1","1","3","1","6","7","4","1") = "6"
    & skf21("1","1","3","1","6","7","5","1") = "6"
    & skf21("1","1","3","1","6","7","6","1") = "6"
    & skf21("1","1","3","1","6","7","7","1") = "6"
    & skf21("1","1","3","1","7","1","1","1") = "6"
    & skf21("1","1","3","1","7","1","2","1") = "6"
    & skf21("1","1","3","1","7","1","3","1") = "6"
    & skf21("1","1","3","1","7","1","4","1") = "6"
    & skf21("1","1","3","1","7","1","5","1") = "6"
    & skf21("1","1","3","1","7","1","6","1") = "6"
    & skf21("1","1","3","1","7","1","7","1") = "6"
    & skf21("1","1","3","1","7","2","1","1") = "6"
    & skf21("1","1","3","1","7","2","2","1") = "6"
    & skf21("1","1","3","1","7","2","3","1") = "6"
    & skf21("1","1","3","1","7","2","4","1") = "6"
    & skf21("1","1","3","1","7","2","5","1") = "6"
    & skf21("1","1","3","1","7","2","6","1") = "6"
    & skf21("1","1","3","1","7","2","7","1") = "6"
    & skf21("1","1","3","1","7","3","1","1") = "6"
    & skf21("1","1","3","1","7","3","2","1") = "6"
    & skf21("1","1","3","1","7","3","3","1") = "6"
    & skf21("1","1","3","1","7","3","4","1") = "6"
    & skf21("1","1","3","1","7","3","5","1") = "6"
    & skf21("1","1","3","1","7","3","6","1") = "6"
    & skf21("1","1","3","1","7","3","7","1") = "6"
    & skf21("1","1","3","1","7","4","1","1") = "6"
    & skf21("1","1","3","1","7","4","2","1") = "6"
    & skf21("1","1","3","1","7","4","3","1") = "6"
    & skf21("1","1","3","1","7","4","4","1") = "6"
    & skf21("1","1","3","1","7","4","5","1") = "6"
    & skf21("1","1","3","1","7","4","6","1") = "6"
    & skf21("1","1","3","1","7","4","7","1") = "6"
    & skf21("1","1","3","1","7","5","1","1") = "6"
    & skf21("1","1","3","1","7","5","2","1") = "6"
    & skf21("1","1","3","1","7","5","3","1") = "6"
    & skf21("1","1","3","1","7","5","4","1") = "6"
    & skf21("1","1","3","1","7","5","5","1") = "6"
    & skf21("1","1","3","1","7","5","6","1") = "6"
    & skf21("1","1","3","1","7","5","7","1") = "6"
    & skf21("1","1","3","1","7","6","1","1") = "6"
    & skf21("1","1","3","1","7","6","2","1") = "6"
    & skf21("1","1","3","1","7","6","3","1") = "6"
    & skf21("1","1","3","1","7","6","4","1") = "6"
    & skf21("1","1","3","1","7","6","5","1") = "6"
    & skf21("1","1","3","1","7","6","6","1") = "6"
    & skf21("1","1","3","1","7","6","7","1") = "6"
    & skf21("1","1","3","1","7","7","1","1") = "6"
    & skf21("1","1","3","1","7","7","2","1") = "6"
    & skf21("1","1","3","1","7","7","3","1") = "6"
    & skf21("1","1","3","1","7","7","4","1") = "6"
    & skf21("1","1","3","1","7","7","5","1") = "6"
    & skf21("1","1","3","1","7","7","6","1") = "6"
    & skf21("1","1","3","1","7","7","7","1") = "6"
    & skf21("1","1","3","2","1","1","1","1") = "2"
    & skf21("1","1","3","2","1","1","2","1") = "2"
    & skf21("1","1","3","2","1","1","3","1") = "2"
    & skf21("1","1","3","2","1","1","4","1") = "3"
    & skf21("1","1","3","2","1","1","5","1") = "4"
    & skf21("1","1","3","2","1","1","6","1") = "5"
    & skf21("1","1","3","2","1","1","7","1") = "6"
    & skf21("1","1","3","2","1","2","1","1") = "2"
    & skf21("1","1","3","2","1","2","2","1") = "2"
    & skf21("1","1","3","2","1","2","3","1") = "2"
    & skf21("1","1","3","2","1","2","4","1") = "3"
    & skf21("1","1","3","2","1","2","5","1") = "4"
    & skf21("1","1","3","2","1","2","6","1") = "5"
    & skf21("1","1","3","2","1","2","7","1") = "6"
    & skf21("1","1","3","2","1","3","1","1") = "2"
    & skf21("1","1","3","2","1","3","2","1") = "2"
    & skf21("1","1","3","2","1","3","3","1") = "2"
    & skf21("1","1","3","2","1","3","4","1") = "3"
    & skf21("1","1","3","2","1","3","5","1") = "4"
    & skf21("1","1","3","2","1","3","6","1") = "5"
    & skf21("1","1","3","2","1","3","7","1") = "6"
    & skf21("1","1","3","2","1","4","1","1") = "3"
    & skf21("1","1","3","2","1","4","2","1") = "3"
    & skf21("1","1","3","2","1","4","3","1") = "3"
    & skf21("1","1","3","2","1","4","4","1") = "3"
    & skf21("1","1","3","2","1","4","5","1") = "4"
    & skf21("1","1","3","2","1","4","6","1") = "5"
    & skf21("1","1","3","2","1","4","7","1") = "6"
    & skf21("1","1","3","2","1","5","1","1") = "4"
    & skf21("1","1","3","2","1","5","2","1") = "4"
    & skf21("1","1","3","2","1","5","3","1") = "4"
    & skf21("1","1","3","2","1","5","4","1") = "4"
    & skf21("1","1","3","2","1","5","5","1") = "4"
    & skf21("1","1","3","2","1","5","6","1") = "5"
    & skf21("1","1","3","2","1","5","7","1") = "6"
    & skf21("1","1","3","2","1","6","1","1") = "5"
    & skf21("1","1","3","2","1","6","2","1") = "5"
    & skf21("1","1","3","2","1","6","3","1") = "5"
    & skf21("1","1","3","2","1","6","4","1") = "5"
    & skf21("1","1","3","2","1","6","5","1") = "5"
    & skf21("1","1","3","2","1","6","6","1") = "5"
    & skf21("1","1","3","2","1","6","7","1") = "6"
    & skf21("1","1","3","2","1","7","1","1") = "6"
    & skf21("1","1","3","2","1","7","2","1") = "6"
    & skf21("1","1","3","2","1","7","3","1") = "6"
    & skf21("1","1","3","2","1","7","4","1") = "6"
    & skf21("1","1","3","2","1","7","5","1") = "6"
    & skf21("1","1","3","2","1","7","6","1") = "6"
    & skf21("1","1","3","2","1","7","7","1") = "6"
    & skf21("1","1","3","2","2","1","1","1") = "2"
    & skf21("1","1","3","2","2","1","2","1") = "2"
    & skf21("1","1","3","2","2","1","3","1") = "2"
    & skf21("1","1","3","2","2","1","4","1") = "3"
    & skf21("1","1","3","2","2","1","5","1") = "4"
    & skf21("1","1","3","2","2","1","6","1") = "5"
    & skf21("1","1","3","2","2","1","7","1") = "6"
    & skf21("1","1","3","2","2","2","1","1") = "2"
    & skf21("1","1","3","2","2","2","2","1") = "2"
    & skf21("1","1","3","2","2","2","3","1") = "2"
    & skf21("1","1","3","2","2","2","4","1") = "3"
    & skf21("1","1","3","2","2","2","5","1") = "4"
    & skf21("1","1","3","2","2","2","6","1") = "5"
    & skf21("1","1","3","2","2","2","7","1") = "6"
    & skf21("1","1","3","2","2","3","1","1") = "2"
    & skf21("1","1","3","2","2","3","2","1") = "2"
    & skf21("1","1","3","2","2","3","3","1") = "2"
    & skf21("1","1","3","2","2","3","4","1") = "3"
    & skf21("1","1","3","2","2","3","5","1") = "4"
    & skf21("1","1","3","2","2","3","6","1") = "5"
    & skf21("1","1","3","2","2","3","7","1") = "6"
    & skf21("1","1","3","2","2","4","1","1") = "3"
    & skf21("1","1","3","2","2","4","2","1") = "3"
    & skf21("1","1","3","2","2","4","3","1") = "3"
    & skf21("1","1","3","2","2","4","4","1") = "3"
    & skf21("1","1","3","2","2","4","5","1") = "4"
    & skf21("1","1","3","2","2","4","6","1") = "5"
    & skf21("1","1","3","2","2","4","7","1") = "6"
    & skf21("1","1","3","2","2","5","1","1") = "4"
    & skf21("1","1","3","2","2","5","2","1") = "4"
    & skf21("1","1","3","2","2","5","3","1") = "4"
    & skf21("1","1","3","2","2","5","4","1") = "4"
    & skf21("1","1","3","2","2","5","5","1") = "4"
    & skf21("1","1","3","2","2","5","6","1") = "5"
    & skf21("1","1","3","2","2","5","7","1") = "6"
    & skf21("1","1","3","2","2","6","1","1") = "5"
    & skf21("1","1","3","2","2","6","2","1") = "5"
    & skf21("1","1","3","2","2","6","3","1") = "5"
    & skf21("1","1","3","2","2","6","4","1") = "5"
    & skf21("1","1","3","2","2","6","5","1") = "5"
    & skf21("1","1","3","2","2","6","6","1") = "5"
    & skf21("1","1","3","2","2","6","7","1") = "6"
    & skf21("1","1","3","2","2","7","1","1") = "6"
    & skf21("1","1","3","2","2","7","2","1") = "6"
    & skf21("1","1","3","2","2","7","3","1") = "6"
    & skf21("1","1","3","2","2","7","4","1") = "6"
    & skf21("1","1","3","2","2","7","5","1") = "6"
    & skf21("1","1","3","2","2","7","6","1") = "6"
    & skf21("1","1","3","2","2","7","7","1") = "6"
    & skf21("1","1","3","2","3","1","1","1") = "2"
    & skf21("1","1","3","2","3","1","2","1") = "2"
    & skf21("1","1","3","2","3","1","3","1") = "2"
    & skf21("1","1","3","2","3","1","4","1") = "3"
    & skf21("1","1","3","2","3","1","5","1") = "4"
    & skf21("1","1","3","2","3","1","6","1") = "5"
    & skf21("1","1","3","2","3","1","7","1") = "6"
    & skf21("1","1","3","2","3","2","1","1") = "2"
    & skf21("1","1","3","2","3","2","2","1") = "2"
    & skf21("1","1","3","2","3","2","3","1") = "2"
    & skf21("1","1","3","2","3","2","4","1") = "3"
    & skf21("1","1","3","2","3","2","5","1") = "4"
    & skf21("1","1","3","2","3","2","6","1") = "5"
    & skf21("1","1","3","2","3","2","7","1") = "6"
    & skf21("1","1","3","2","3","3","1","1") = "2"
    & skf21("1","1","3","2","3","3","2","1") = "2"
    & skf21("1","1","3","2","3","3","3","1") = "2"
    & skf21("1","1","3","2","3","3","4","1") = "3"
    & skf21("1","1","3","2","3","3","5","1") = "4"
    & skf21("1","1","3","2","3","3","6","1") = "5"
    & skf21("1","1","3","2","3","3","7","1") = "6"
    & skf21("1","1","3","2","3","4","1","1") = "3"
    & skf21("1","1","3","2","3","4","2","1") = "3"
    & skf21("1","1","3","2","3","4","3","1") = "3"
    & skf21("1","1","3","2","3","4","4","1") = "3"
    & skf21("1","1","3","2","3","4","5","1") = "4"
    & skf21("1","1","3","2","3","4","6","1") = "5"
    & skf21("1","1","3","2","3","4","7","1") = "6"
    & skf21("1","1","3","2","3","5","1","1") = "4"
    & skf21("1","1","3","2","3","5","2","1") = "4"
    & skf21("1","1","3","2","3","5","3","1") = "4"
    & skf21("1","1","3","2","3","5","4","1") = "4"
    & skf21("1","1","3","2","3","5","5","1") = "4"
    & skf21("1","1","3","2","3","5","6","1") = "5"
    & skf21("1","1","3","2","3","5","7","1") = "6"
    & skf21("1","1","3","2","3","6","1","1") = "5"
    & skf21("1","1","3","2","3","6","2","1") = "5"
    & skf21("1","1","3","2","3","6","3","1") = "5"
    & skf21("1","1","3","2","3","6","4","1") = "5"
    & skf21("1","1","3","2","3","6","5","1") = "5"
    & skf21("1","1","3","2","3","6","6","1") = "5"
    & skf21("1","1","3","2","3","6","7","1") = "6"
    & skf21("1","1","3","2","3","7","1","1") = "6"
    & skf21("1","1","3","2","3","7","2","1") = "6"
    & skf21("1","1","3","2","3","7","3","1") = "6"
    & skf21("1","1","3","2","3","7","4","1") = "6"
    & skf21("1","1","3","2","3","7","5","1") = "6"
    & skf21("1","1","3","2","3","7","6","1") = "6"
    & skf21("1","1","3","2","3","7","7","1") = "6"
    & skf21("1","1","3","2","4","1","1","1") = "3"
    & skf21("1","1","3","2","4","1","2","1") = "3"
    & skf21("1","1","3","2","4","1","3","1") = "3"
    & skf21("1","1","3","2","4","1","4","1") = "3"
    & skf21("1","1","3","2","4","1","5","1") = "4"
    & skf21("1","1","3","2","4","1","6","1") = "5"
    & skf21("1","1","3","2","4","1","7","1") = "6"
    & skf21("1","1","3","2","4","2","1","1") = "3"
    & skf21("1","1","3","2","4","2","2","1") = "3"
    & skf21("1","1","3","2","4","2","3","1") = "3"
    & skf21("1","1","3","2","4","2","4","1") = "3"
    & skf21("1","1","3","2","4","2","5","1") = "4"
    & skf21("1","1","3","2","4","2","6","1") = "5"
    & skf21("1","1","3","2","4","2","7","1") = "6"
    & skf21("1","1","3","2","4","3","1","1") = "3"
    & skf21("1","1","3","2","4","3","2","1") = "3"
    & skf21("1","1","3","2","4","3","3","1") = "3"
    & skf21("1","1","3","2","4","3","4","1") = "3"
    & skf21("1","1","3","2","4","3","5","1") = "4"
    & skf21("1","1","3","2","4","3","6","1") = "5"
    & skf21("1","1","3","2","4","3","7","1") = "6"
    & skf21("1","1","3","2","4","4","1","1") = "3"
    & skf21("1","1","3","2","4","4","2","1") = "3"
    & skf21("1","1","3","2","4","4","3","1") = "3"
    & skf21("1","1","3","2","4","4","4","1") = "3"
    & skf21("1","1","3","2","4","4","5","1") = "4"
    & skf21("1","1","3","2","4","4","6","1") = "5"
    & skf21("1","1","3","2","4","4","7","1") = "6"
    & skf21("1","1","3","2","4","5","1","1") = "4"
    & skf21("1","1","3","2","4","5","2","1") = "4"
    & skf21("1","1","3","2","4","5","3","1") = "4"
    & skf21("1","1","3","2","4","5","4","1") = "4"
    & skf21("1","1","3","2","4","5","5","1") = "4"
    & skf21("1","1","3","2","4","5","6","1") = "5"
    & skf21("1","1","3","2","4","5","7","1") = "6"
    & skf21("1","1","3","2","4","6","1","1") = "5"
    & skf21("1","1","3","2","4","6","2","1") = "5"
    & skf21("1","1","3","2","4","6","3","1") = "5"
    & skf21("1","1","3","2","4","6","4","1") = "5"
    & skf21("1","1","3","2","4","6","5","1") = "5"
    & skf21("1","1","3","2","4","6","6","1") = "5"
    & skf21("1","1","3","2","4","6","7","1") = "6"
    & skf21("1","1","3","2","4","7","1","1") = "6"
    & skf21("1","1","3","2","4","7","2","1") = "6"
    & skf21("1","1","3","2","4","7","3","1") = "6"
    & skf21("1","1","3","2","4","7","4","1") = "6"
    & skf21("1","1","3","2","4","7","5","1") = "6"
    & skf21("1","1","3","2","4","7","6","1") = "6"
    & skf21("1","1","3","2","4","7","7","1") = "6"
    & skf21("1","1","3","2","5","1","1","1") = "4"
    & skf21("1","1","3","2","5","1","2","1") = "4"
    & skf21("1","1","3","2","5","1","3","1") = "4"
    & skf21("1","1","3","2","5","1","4","1") = "4"
    & skf21("1","1","3","2","5","1","5","1") = "4"
    & skf21("1","1","3","2","5","1","6","1") = "5"
    & skf21("1","1","3","2","5","1","7","1") = "6"
    & skf21("1","1","3","2","5","2","1","1") = "4"
    & skf21("1","1","3","2","5","2","2","1") = "4"
    & skf21("1","1","3","2","5","2","3","1") = "4"
    & skf21("1","1","3","2","5","2","4","1") = "4"
    & skf21("1","1","3","2","5","2","5","1") = "4"
    & skf21("1","1","3","2","5","2","6","1") = "5"
    & skf21("1","1","3","2","5","2","7","1") = "6"
    & skf21("1","1","3","2","5","3","1","1") = "4"
    & skf21("1","1","3","2","5","3","2","1") = "4"
    & skf21("1","1","3","2","5","3","3","1") = "4"
    & skf21("1","1","3","2","5","3","4","1") = "4"
    & skf21("1","1","3","2","5","3","5","1") = "4"
    & skf21("1","1","3","2","5","3","6","1") = "5"
    & skf21("1","1","3","2","5","3","7","1") = "6"
    & skf21("1","1","3","2","5","4","1","1") = "4"
    & skf21("1","1","3","2","5","4","2","1") = "4"
    & skf21("1","1","3","2","5","4","3","1") = "4"
    & skf21("1","1","3","2","5","4","4","1") = "4"
    & skf21("1","1","3","2","5","4","5","1") = "4"
    & skf21("1","1","3","2","5","4","6","1") = "5"
    & skf21("1","1","3","2","5","4","7","1") = "6"
    & skf21("1","1","3","2","5","5","1","1") = "4"
    & skf21("1","1","3","2","5","5","2","1") = "4"
    & skf21("1","1","3","2","5","5","3","1") = "4"
    & skf21("1","1","3","2","5","5","4","1") = "4"
    & skf21("1","1","3","2","5","5","5","1") = "4"
    & skf21("1","1","3","2","5","5","6","1") = "5"
    & skf21("1","1","3","2","5","5","7","1") = "6"
    & skf21("1","1","3","2","5","6","1","1") = "5"
    & skf21("1","1","3","2","5","6","2","1") = "5"
    & skf21("1","1","3","2","5","6","3","1") = "5"
    & skf21("1","1","3","2","5","6","4","1") = "5"
    & skf21("1","1","3","2","5","6","5","1") = "5"
    & skf21("1","1","3","2","5","6","6","1") = "5"
    & skf21("1","1","3","2","5","6","7","1") = "6"
    & skf21("1","1","3","2","5","7","1","1") = "6"
    & skf21("1","1","3","2","5","7","2","1") = "6"
    & skf21("1","1","3","2","5","7","3","1") = "6"
    & skf21("1","1","3","2","5","7","4","1") = "6"
    & skf21("1","1","3","2","5","7","5","1") = "6"
    & skf21("1","1","3","2","5","7","6","1") = "6"
    & skf21("1","1","3","2","5","7","7","1") = "6"
    & skf21("1","1","3","2","6","1","1","1") = "5"
    & skf21("1","1","3","2","6","1","2","1") = "5"
    & skf21("1","1","3","2","6","1","3","1") = "5"
    & skf21("1","1","3","2","6","1","4","1") = "5"
    & skf21("1","1","3","2","6","1","5","1") = "5"
    & skf21("1","1","3","2","6","1","6","1") = "5"
    & skf21("1","1","3","2","6","1","7","1") = "6"
    & skf21("1","1","3","2","6","2","1","1") = "5"
    & skf21("1","1","3","2","6","2","2","1") = "5"
    & skf21("1","1","3","2","6","2","3","1") = "5"
    & skf21("1","1","3","2","6","2","4","1") = "5"
    & skf21("1","1","3","2","6","2","5","1") = "5"
    & skf21("1","1","3","2","6","2","6","1") = "5"
    & skf21("1","1","3","2","6","2","7","1") = "6"
    & skf21("1","1","3","2","6","3","1","1") = "5"
    & skf21("1","1","3","2","6","3","2","1") = "5"
    & skf21("1","1","3","2","6","3","3","1") = "5"
    & skf21("1","1","3","2","6","3","4","1") = "5"
    & skf21("1","1","3","2","6","3","5","1") = "5"
    & skf21("1","1","3","2","6","3","6","1") = "5"
    & skf21("1","1","3","2","6","3","7","1") = "6"
    & skf21("1","1","3","2","6","4","1","1") = "5"
    & skf21("1","1","3","2","6","4","2","1") = "5"
    & skf21("1","1","3","2","6","4","3","1") = "5"
    & skf21("1","1","3","2","6","4","4","1") = "5"
    & skf21("1","1","3","2","6","4","5","1") = "5"
    & skf21("1","1","3","2","6","4","6","1") = "5"
    & skf21("1","1","3","2","6","4","7","1") = "6"
    & skf21("1","1","3","2","6","5","1","1") = "5"
    & skf21("1","1","3","2","6","5","2","1") = "5"
    & skf21("1","1","3","2","6","5","3","1") = "5"
    & skf21("1","1","3","2","6","5","4","1") = "5"
    & skf21("1","1","3","2","6","5","5","1") = "5"
    & skf21("1","1","3","2","6","5","6","1") = "5"
    & skf21("1","1","3","2","6","5","7","1") = "6"
    & skf21("1","1","3","2","6","6","1","1") = "5"
    & skf21("1","1","3","2","6","6","2","1") = "5"
    & skf21("1","1","3","2","6","6","3","1") = "5"
    & skf21("1","1","3","2","6","6","4","1") = "5"
    & skf21("1","1","3","2","6","6","5","1") = "5"
    & skf21("1","1","3","2","6","6","6","1") = "5"
    & skf21("1","1","3","2","6","6","7","1") = "6"
    & skf21("1","1","3","2","6","7","1","1") = "6"
    & skf21("1","1","3","2","6","7","2","1") = "6"
    & skf21("1","1","3","2","6","7","3","1") = "6"
    & skf21("1","1","3","2","6","7","4","1") = "6"
    & skf21("1","1","3","2","6","7","5","1") = "6"
    & skf21("1","1","3","2","6","7","6","1") = "6"
    & skf21("1","1","3","2","6","7","7","1") = "6"
    & skf21("1","1","3","2","7","1","1","1") = "6"
    & skf21("1","1","3","2","7","1","2","1") = "6"
    & skf21("1","1","3","2","7","1","3","1") = "6"
    & skf21("1","1","3","2","7","1","4","1") = "6"
    & skf21("1","1","3","2","7","1","5","1") = "6"
    & skf21("1","1","3","2","7","1","6","1") = "6"
    & skf21("1","1","3","2","7","1","7","1") = "6"
    & skf21("1","1","3","2","7","2","1","1") = "6"
    & skf21("1","1","3","2","7","2","2","1") = "6"
    & skf21("1","1","3","2","7","2","3","1") = "6"
    & skf21("1","1","3","2","7","2","4","1") = "6"
    & skf21("1","1","3","2","7","2","5","1") = "6"
    & skf21("1","1","3","2","7","2","6","1") = "6"
    & skf21("1","1","3","2","7","2","7","1") = "6"
    & skf21("1","1","3","2","7","3","1","1") = "6"
    & skf21("1","1","3","2","7","3","2","1") = "6"
    & skf21("1","1","3","2","7","3","3","1") = "6"
    & skf21("1","1","3","2","7","3","4","1") = "6"
    & skf21("1","1","3","2","7","3","5","1") = "6"
    & skf21("1","1","3","2","7","3","6","1") = "6"
    & skf21("1","1","3","2","7","3","7","1") = "6"
    & skf21("1","1","3","2","7","4","1","1") = "6"
    & skf21("1","1","3","2","7","4","2","1") = "6"
    & skf21("1","1","3","2","7","4","3","1") = "6"
    & skf21("1","1","3","2","7","4","4","1") = "6"
    & skf21("1","1","3","2","7","4","5","1") = "6"
    & skf21("1","1","3","2","7","4","6","1") = "6"
    & skf21("1","1","3","2","7","4","7","1") = "6"
    & skf21("1","1","3","2","7","5","1","1") = "6"
    & skf21("1","1","3","2","7","5","2","1") = "6"
    & skf21("1","1","3","2","7","5","3","1") = "6"
    & skf21("1","1","3","2","7","5","4","1") = "6"
    & skf21("1","1","3","2","7","5","5","1") = "6"
    & skf21("1","1","3","2","7","5","6","1") = "6"
    & skf21("1","1","3","2","7","5","7","1") = "6"
    & skf21("1","1","3","2","7","6","1","1") = "6"
    & skf21("1","1","3","2","7","6","2","1") = "6"
    & skf21("1","1","3","2","7","6","3","1") = "6"
    & skf21("1","1","3","2","7","6","4","1") = "6"
    & skf21("1","1","3","2","7","6","5","1") = "6"
    & skf21("1","1","3","2","7","6","6","1") = "6"
    & skf21("1","1","3","2","7","6","7","1") = "6"
    & skf21("1","1","3","2","7","7","1","1") = "6"
    & skf21("1","1","3","2","7","7","2","1") = "6"
    & skf21("1","1","3","2","7","7","3","1") = "6"
    & skf21("1","1","3","2","7","7","4","1") = "6"
    & skf21("1","1","3","2","7","7","5","1") = "6"
    & skf21("1","1","3","2","7","7","6","1") = "6"
    & skf21("1","1","3","2","7","7","7","1") = "6"
    & skf21("1","1","3","3","1","1","1","1") = "2"
    & skf21("1","1","3","3","1","1","2","1") = "2"
    & skf21("1","1","3","3","1","1","3","1") = "2"
    & skf21("1","1","3","3","1","1","4","1") = "3"
    & skf21("1","1","3","3","1","1","5","1") = "4"
    & skf21("1","1","3","3","1","1","6","1") = "5"
    & skf21("1","1","3","3","1","1","7","1") = "6"
    & skf21("1","1","3","3","1","2","1","1") = "2"
    & skf21("1","1","3","3","1","2","2","1") = "2"
    & skf21("1","1","3","3","1","2","3","1") = "2"
    & skf21("1","1","3","3","1","2","4","1") = "3"
    & skf21("1","1","3","3","1","2","5","1") = "4"
    & skf21("1","1","3","3","1","2","6","1") = "5"
    & skf21("1","1","3","3","1","2","7","1") = "6"
    & skf21("1","1","3","3","1","3","1","1") = "2"
    & skf21("1","1","3","3","1","3","2","1") = "2"
    & skf21("1","1","3","3","1","3","3","1") = "2"
    & skf21("1","1","3","3","1","3","4","1") = "3"
    & skf21("1","1","3","3","1","3","5","1") = "4"
    & skf21("1","1","3","3","1","3","6","1") = "5"
    & skf21("1","1","3","3","1","3","7","1") = "6"
    & skf21("1","1","3","3","1","4","1","1") = "3"
    & skf21("1","1","3","3","1","4","2","1") = "3"
    & skf21("1","1","3","3","1","4","3","1") = "3"
    & skf21("1","1","3","3","1","4","4","1") = "3"
    & skf21("1","1","3","3","1","4","5","1") = "4"
    & skf21("1","1","3","3","1","4","6","1") = "5"
    & skf21("1","1","3","3","1","4","7","1") = "6"
    & skf21("1","1","3","3","1","5","1","1") = "4"
    & skf21("1","1","3","3","1","5","2","1") = "4"
    & skf21("1","1","3","3","1","5","3","1") = "4"
    & skf21("1","1","3","3","1","5","4","1") = "4"
    & skf21("1","1","3","3","1","5","5","1") = "4"
    & skf21("1","1","3","3","1","5","6","1") = "5"
    & skf21("1","1","3","3","1","5","7","1") = "6"
    & skf21("1","1","3","3","1","6","1","1") = "5"
    & skf21("1","1","3","3","1","6","2","1") = "5"
    & skf21("1","1","3","3","1","6","3","1") = "5"
    & skf21("1","1","3","3","1","6","4","1") = "5"
    & skf21("1","1","3","3","1","6","5","1") = "5"
    & skf21("1","1","3","3","1","6","6","1") = "5"
    & skf21("1","1","3","3","1","6","7","1") = "6"
    & skf21("1","1","3","3","1","7","1","1") = "6"
    & skf21("1","1","3","3","1","7","2","1") = "6"
    & skf21("1","1","3","3","1","7","3","1") = "6"
    & skf21("1","1","3","3","1","7","4","1") = "6"
    & skf21("1","1","3","3","1","7","5","1") = "6"
    & skf21("1","1","3","3","1","7","6","1") = "6"
    & skf21("1","1","3","3","1","7","7","1") = "6"
    & skf21("1","1","3","3","2","1","1","1") = "2"
    & skf21("1","1","3","3","2","1","2","1") = "2"
    & skf21("1","1","3","3","2","1","3","1") = "2"
    & skf21("1","1","3","3","2","1","4","1") = "3"
    & skf21("1","1","3","3","2","1","5","1") = "4"
    & skf21("1","1","3","3","2","1","6","1") = "5"
    & skf21("1","1","3","3","2","1","7","1") = "6"
    & skf21("1","1","3","3","2","2","1","1") = "2"
    & skf21("1","1","3","3","2","2","2","1") = "2"
    & skf21("1","1","3","3","2","2","3","1") = "2"
    & skf21("1","1","3","3","2","2","4","1") = "3"
    & skf21("1","1","3","3","2","2","5","1") = "4"
    & skf21("1","1","3","3","2","2","6","1") = "5"
    & skf21("1","1","3","3","2","2","7","1") = "6"
    & skf21("1","1","3","3","2","3","1","1") = "2"
    & skf21("1","1","3","3","2","3","2","1") = "2"
    & skf21("1","1","3","3","2","3","3","1") = "2"
    & skf21("1","1","3","3","2","3","4","1") = "3"
    & skf21("1","1","3","3","2","3","5","1") = "4"
    & skf21("1","1","3","3","2","3","6","1") = "5"
    & skf21("1","1","3","3","2","3","7","1") = "6"
    & skf21("1","1","3","3","2","4","1","1") = "3"
    & skf21("1","1","3","3","2","4","2","1") = "3"
    & skf21("1","1","3","3","2","4","3","1") = "3"
    & skf21("1","1","3","3","2","4","4","1") = "3"
    & skf21("1","1","3","3","2","4","5","1") = "4"
    & skf21("1","1","3","3","2","4","6","1") = "5"
    & skf21("1","1","3","3","2","4","7","1") = "6"
    & skf21("1","1","3","3","2","5","1","1") = "4"
    & skf21("1","1","3","3","2","5","2","1") = "4"
    & skf21("1","1","3","3","2","5","3","1") = "4"
    & skf21("1","1","3","3","2","5","4","1") = "4"
    & skf21("1","1","3","3","2","5","5","1") = "4"
    & skf21("1","1","3","3","2","5","6","1") = "5"
    & skf21("1","1","3","3","2","5","7","1") = "6"
    & skf21("1","1","3","3","2","6","1","1") = "5"
    & skf21("1","1","3","3","2","6","2","1") = "5"
    & skf21("1","1","3","3","2","6","3","1") = "5"
    & skf21("1","1","3","3","2","6","4","1") = "5"
    & skf21("1","1","3","3","2","6","5","1") = "5"
    & skf21("1","1","3","3","2","6","6","1") = "5"
    & skf21("1","1","3","3","2","6","7","1") = "6"
    & skf21("1","1","3","3","2","7","1","1") = "6"
    & skf21("1","1","3","3","2","7","2","1") = "6"
    & skf21("1","1","3","3","2","7","3","1") = "6"
    & skf21("1","1","3","3","2","7","4","1") = "6"
    & skf21("1","1","3","3","2","7","5","1") = "6"
    & skf21("1","1","3","3","2","7","6","1") = "6"
    & skf21("1","1","3","3","2","7","7","1") = "6"
    & skf21("1","1","3","3","3","1","1","1") = "2"
    & skf21("1","1","3","3","3","1","2","1") = "2"
    & skf21("1","1","3","3","3","1","3","1") = "2"
    & skf21("1","1","3","3","3","1","4","1") = "3"
    & skf21("1","1","3","3","3","1","5","1") = "4"
    & skf21("1","1","3","3","3","1","6","1") = "5"
    & skf21("1","1","3","3","3","1","7","1") = "6"
    & skf21("1","1","3","3","3","2","1","1") = "2"
    & skf21("1","1","3","3","3","2","2","1") = "2"
    & skf21("1","1","3","3","3","2","3","1") = "2"
    & skf21("1","1","3","3","3","2","4","1") = "3"
    & skf21("1","1","3","3","3","2","5","1") = "4"
    & skf21("1","1","3","3","3","2","6","1") = "5"
    & skf21("1","1","3","3","3","2","7","1") = "6"
    & skf21("1","1","3","3","3","3","1","1") = "2"
    & skf21("1","1","3","3","3","3","2","1") = "2"
    & skf21("1","1","3","3","3","3","3","1") = "2"
    & skf21("1","1","3","3","3","3","4","1") = "3"
    & skf21("1","1","3","3","3","3","5","1") = "4"
    & skf21("1","1","3","3","3","3","6","1") = "5"
    & skf21("1","1","3","3","3","3","7","1") = "6"
    & skf21("1","1","3","3","3","4","1","1") = "3"
    & skf21("1","1","3","3","3","4","2","1") = "3"
    & skf21("1","1","3","3","3","4","3","1") = "3"
    & skf21("1","1","3","3","3","4","4","1") = "3"
    & skf21("1","1","3","3","3","4","5","1") = "4"
    & skf21("1","1","3","3","3","4","6","1") = "5"
    & skf21("1","1","3","3","3","4","7","1") = "6"
    & skf21("1","1","3","3","3","5","1","1") = "4"
    & skf21("1","1","3","3","3","5","2","1") = "4"
    & skf21("1","1","3","3","3","5","3","1") = "4"
    & skf21("1","1","3","3","3","5","4","1") = "4"
    & skf21("1","1","3","3","3","5","5","1") = "4"
    & skf21("1","1","3","3","3","5","6","1") = "5"
    & skf21("1","1","3","3","3","5","7","1") = "6"
    & skf21("1","1","3","3","3","6","1","1") = "5"
    & skf21("1","1","3","3","3","6","2","1") = "5"
    & skf21("1","1","3","3","3","6","3","1") = "5"
    & skf21("1","1","3","3","3","6","4","1") = "5"
    & skf21("1","1","3","3","3","6","5","1") = "5"
    & skf21("1","1","3","3","3","6","6","1") = "5"
    & skf21("1","1","3","3","3","6","7","1") = "6"
    & skf21("1","1","3","3","3","7","1","1") = "6"
    & skf21("1","1","3","3","3","7","2","1") = "6"
    & skf21("1","1","3","3","3","7","3","1") = "6"
    & skf21("1","1","3","3","3","7","4","1") = "6"
    & skf21("1","1","3","3","3","7","5","1") = "6"
    & skf21("1","1","3","3","3","7","6","1") = "6"
    & skf21("1","1","3","3","3","7","7","1") = "6"
    & skf21("1","1","3","3","4","1","1","1") = "3"
    & skf21("1","1","3","3","4","1","2","1") = "3"
    & skf21("1","1","3","3","4","1","3","1") = "3"
    & skf21("1","1","3","3","4","1","4","1") = "3"
    & skf21("1","1","3","3","4","1","5","1") = "4"
    & skf21("1","1","3","3","4","1","6","1") = "5"
    & skf21("1","1","3","3","4","1","7","1") = "6"
    & skf21("1","1","3","3","4","2","1","1") = "3"
    & skf21("1","1","3","3","4","2","2","1") = "3"
    & skf21("1","1","3","3","4","2","3","1") = "3"
    & skf21("1","1","3","3","4","2","4","1") = "3"
    & skf21("1","1","3","3","4","2","5","1") = "4"
    & skf21("1","1","3","3","4","2","6","1") = "5"
    & skf21("1","1","3","3","4","2","7","1") = "6"
    & skf21("1","1","3","3","4","3","1","1") = "3"
    & skf21("1","1","3","3","4","3","2","1") = "3"
    & skf21("1","1","3","3","4","3","3","1") = "3"
    & skf21("1","1","3","3","4","3","4","1") = "3"
    & skf21("1","1","3","3","4","3","5","1") = "4"
    & skf21("1","1","3","3","4","3","6","1") = "5"
    & skf21("1","1","3","3","4","3","7","1") = "6"
    & skf21("1","1","3","3","4","4","1","1") = "3"
    & skf21("1","1","3","3","4","4","2","1") = "3"
    & skf21("1","1","3","3","4","4","3","1") = "3"
    & skf21("1","1","3","3","4","4","4","1") = "3"
    & skf21("1","1","3","3","4","4","5","1") = "4"
    & skf21("1","1","3","3","4","4","6","1") = "5"
    & skf21("1","1","3","3","4","4","7","1") = "6"
    & skf21("1","1","3","3","4","5","1","1") = "4"
    & skf21("1","1","3","3","4","5","2","1") = "4"
    & skf21("1","1","3","3","4","5","3","1") = "4"
    & skf21("1","1","3","3","4","5","4","1") = "4"
    & skf21("1","1","3","3","4","5","5","1") = "4"
    & skf21("1","1","3","3","4","5","6","1") = "5"
    & skf21("1","1","3","3","4","5","7","1") = "6"
    & skf21("1","1","3","3","4","6","1","1") = "5"
    & skf21("1","1","3","3","4","6","2","1") = "5"
    & skf21("1","1","3","3","4","6","3","1") = "5"
    & skf21("1","1","3","3","4","6","4","1") = "5"
    & skf21("1","1","3","3","4","6","5","1") = "5"
    & skf21("1","1","3","3","4","6","6","1") = "5"
    & skf21("1","1","3","3","4","6","7","1") = "6"
    & skf21("1","1","3","3","4","7","1","1") = "6"
    & skf21("1","1","3","3","4","7","2","1") = "6"
    & skf21("1","1","3","3","4","7","3","1") = "6"
    & skf21("1","1","3","3","4","7","4","1") = "6"
    & skf21("1","1","3","3","4","7","5","1") = "6"
    & skf21("1","1","3","3","4","7","6","1") = "6"
    & skf21("1","1","3","3","4","7","7","1") = "6"
    & skf21("1","1","3","3","5","1","1","1") = "4"
    & skf21("1","1","3","3","5","1","2","1") = "4"
    & skf21("1","1","3","3","5","1","3","1") = "4"
    & skf21("1","1","3","3","5","1","4","1") = "4"
    & skf21("1","1","3","3","5","1","5","1") = "4"
    & skf21("1","1","3","3","5","1","6","1") = "5"
    & skf21("1","1","3","3","5","1","7","1") = "6"
    & skf21("1","1","3","3","5","2","1","1") = "4"
    & skf21("1","1","3","3","5","2","2","1") = "4"
    & skf21("1","1","3","3","5","2","3","1") = "4"
    & skf21("1","1","3","3","5","2","4","1") = "4"
    & skf21("1","1","3","3","5","2","5","1") = "4"
    & skf21("1","1","3","3","5","2","6","1") = "5"
    & skf21("1","1","3","3","5","2","7","1") = "6"
    & skf21("1","1","3","3","5","3","1","1") = "4"
    & skf21("1","1","3","3","5","3","2","1") = "4"
    & skf21("1","1","3","3","5","3","3","1") = "4"
    & skf21("1","1","3","3","5","3","4","1") = "4"
    & skf21("1","1","3","3","5","3","5","1") = "4"
    & skf21("1","1","3","3","5","3","6","1") = "5"
    & skf21("1","1","3","3","5","3","7","1") = "6"
    & skf21("1","1","3","3","5","4","1","1") = "4"
    & skf21("1","1","3","3","5","4","2","1") = "4"
    & skf21("1","1","3","3","5","4","3","1") = "4"
    & skf21("1","1","3","3","5","4","4","1") = "4"
    & skf21("1","1","3","3","5","4","5","1") = "4"
    & skf21("1","1","3","3","5","4","6","1") = "5"
    & skf21("1","1","3","3","5","4","7","1") = "6"
    & skf21("1","1","3","3","5","5","1","1") = "4"
    & skf21("1","1","3","3","5","5","2","1") = "4"
    & skf21("1","1","3","3","5","5","3","1") = "4"
    & skf21("1","1","3","3","5","5","4","1") = "4"
    & skf21("1","1","3","3","5","5","5","1") = "4"
    & skf21("1","1","3","3","5","5","6","1") = "5"
    & skf21("1","1","3","3","5","5","7","1") = "6"
    & skf21("1","1","3","3","5","6","1","1") = "5"
    & skf21("1","1","3","3","5","6","2","1") = "5"
    & skf21("1","1","3","3","5","6","3","1") = "5"
    & skf21("1","1","3","3","5","6","4","1") = "5"
    & skf21("1","1","3","3","5","6","5","1") = "5"
    & skf21("1","1","3","3","5","6","6","1") = "5"
    & skf21("1","1","3","3","5","6","7","1") = "6"
    & skf21("1","1","3","3","5","7","1","1") = "6"
    & skf21("1","1","3","3","5","7","2","1") = "6"
    & skf21("1","1","3","3","5","7","3","1") = "6"
    & skf21("1","1","3","3","5","7","4","1") = "6"
    & skf21("1","1","3","3","5","7","5","1") = "6"
    & skf21("1","1","3","3","5","7","6","1") = "6"
    & skf21("1","1","3","3","5","7","7","1") = "6"
    & skf21("1","1","3","3","6","1","1","1") = "5"
    & skf21("1","1","3","3","6","1","2","1") = "5"
    & skf21("1","1","3","3","6","1","3","1") = "5"
    & skf21("1","1","3","3","6","1","4","1") = "5"
    & skf21("1","1","3","3","6","1","5","1") = "5"
    & skf21("1","1","3","3","6","1","6","1") = "5"
    & skf21("1","1","3","3","6","1","7","1") = "6"
    & skf21("1","1","3","3","6","2","1","1") = "5"
    & skf21("1","1","3","3","6","2","2","1") = "5"
    & skf21("1","1","3","3","6","2","3","1") = "5"
    & skf21("1","1","3","3","6","2","4","1") = "5"
    & skf21("1","1","3","3","6","2","5","1") = "5"
    & skf21("1","1","3","3","6","2","6","1") = "5"
    & skf21("1","1","3","3","6","2","7","1") = "6"
    & skf21("1","1","3","3","6","3","1","1") = "5"
    & skf21("1","1","3","3","6","3","2","1") = "5"
    & skf21("1","1","3","3","6","3","3","1") = "5"
    & skf21("1","1","3","3","6","3","4","1") = "5"
    & skf21("1","1","3","3","6","3","5","1") = "5"
    & skf21("1","1","3","3","6","3","6","1") = "5"
    & skf21("1","1","3","3","6","3","7","1") = "6"
    & skf21("1","1","3","3","6","4","1","1") = "5"
    & skf21("1","1","3","3","6","4","2","1") = "5"
    & skf21("1","1","3","3","6","4","3","1") = "5"
    & skf21("1","1","3","3","6","4","4","1") = "5"
    & skf21("1","1","3","3","6","4","5","1") = "5"
    & skf21("1","1","3","3","6","4","6","1") = "5"
    & skf21("1","1","3","3","6","4","7","1") = "6"
    & skf21("1","1","3","3","6","5","1","1") = "5"
    & skf21("1","1","3","3","6","5","2","1") = "5"
    & skf21("1","1","3","3","6","5","3","1") = "5"
    & skf21("1","1","3","3","6","5","4","1") = "5"
    & skf21("1","1","3","3","6","5","5","1") = "5"
    & skf21("1","1","3","3","6","5","6","1") = "5"
    & skf21("1","1","3","3","6","5","7","1") = "6"
    & skf21("1","1","3","3","6","6","1","1") = "5"
    & skf21("1","1","3","3","6","6","2","1") = "5"
    & skf21("1","1","3","3","6","6","3","1") = "5"
    & skf21("1","1","3","3","6","6","4","1") = "5"
    & skf21("1","1","3","3","6","6","5","1") = "5"
    & skf21("1","1","3","3","6","6","6","1") = "5"
    & skf21("1","1","3","3","6","6","7","1") = "6"
    & skf21("1","1","3","3","6","7","1","1") = "6"
    & skf21("1","1","3","3","6","7","2","1") = "6"
    & skf21("1","1","3","3","6","7","3","1") = "6"
    & skf21("1","1","3","3","6","7","4","1") = "6"
    & skf21("1","1","3","3","6","7","5","1") = "6"
    & skf21("1","1","3","3","6","7","6","1") = "6"
    & skf21("1","1","3","3","6","7","7","1") = "6"
    & skf21("1","1","3","3","7","1","1","1") = "6"
    & skf21("1","1","3","3","7","1","2","1") = "6"
    & skf21("1","1","3","3","7","1","3","1") = "6"
    & skf21("1","1","3","3","7","1","4","1") = "6"
    & skf21("1","1","3","3","7","1","5","1") = "6"
    & skf21("1","1","3","3","7","1","6","1") = "6"
    & skf21("1","1","3","3","7","1","7","1") = "6"
    & skf21("1","1","3","3","7","2","1","1") = "6"
    & skf21("1","1","3","3","7","2","2","1") = "6"
    & skf21("1","1","3","3","7","2","3","1") = "6"
    & skf21("1","1","3","3","7","2","4","1") = "6"
    & skf21("1","1","3","3","7","2","5","1") = "6"
    & skf21("1","1","3","3","7","2","6","1") = "6"
    & skf21("1","1","3","3","7","2","7","1") = "6"
    & skf21("1","1","3","3","7","3","1","1") = "6"
    & skf21("1","1","3","3","7","3","2","1") = "6"
    & skf21("1","1","3","3","7","3","3","1") = "6"
    & skf21("1","1","3","3","7","3","4","1") = "6"
    & skf21("1","1","3","3","7","3","5","1") = "6"
    & skf21("1","1","3","3","7","3","6","1") = "6"
    & skf21("1","1","3","3","7","3","7","1") = "6"
    & skf21("1","1","3","3","7","4","1","1") = "6"
    & skf21("1","1","3","3","7","4","2","1") = "6"
    & skf21("1","1","3","3","7","4","3","1") = "6"
    & skf21("1","1","3","3","7","4","4","1") = "6"
    & skf21("1","1","3","3","7","4","5","1") = "6"
    & skf21("1","1","3","3","7","4","6","1") = "6"
    & skf21("1","1","3","3","7","4","7","1") = "6"
    & skf21("1","1","3","3","7","5","1","1") = "6"
    & skf21("1","1","3","3","7","5","2","1") = "6"
    & skf21("1","1","3","3","7","5","3","1") = "6"
    & skf21("1","1","3","3","7","5","4","1") = "6"
    & skf21("1","1","3","3","7","5","5","1") = "6"
    & skf21("1","1","3","3","7","5","6","1") = "6"
    & skf21("1","1","3","3","7","5","7","1") = "6"
    & skf21("1","1","3","3","7","6","1","1") = "6"
    & skf21("1","1","3","3","7","6","2","1") = "6"
    & skf21("1","1","3","3","7","6","3","1") = "6"
    & skf21("1","1","3","3","7","6","4","1") = "6"
    & skf21("1","1","3","3","7","6","5","1") = "6"
    & skf21("1","1","3","3","7","6","6","1") = "6"
    & skf21("1","1","3","3","7","6","7","1") = "6"
    & skf21("1","1","3","3","7","7","1","1") = "6"
    & skf21("1","1","3","3","7","7","2","1") = "6"
    & skf21("1","1","3","3","7","7","3","1") = "6"
    & skf21("1","1","3","3","7","7","4","1") = "6"
    & skf21("1","1","3","3","7","7","5","1") = "6"
    & skf21("1","1","3","3","7","7","6","1") = "6"
    & skf21("1","1","3","3","7","7","7","1") = "6"
    & skf21("1","1","3","4","1","1","1","1") = "3"
    & skf21("1","1","3","4","1","1","2","1") = "3"
    & skf21("1","1","3","4","1","1","3","1") = "3"
    & skf21("1","1","3","4","1","1","4","1") = "3"
    & skf21("1","1","3","4","1","1","5","1") = "4"
    & skf21("1","1","3","4","1","1","6","1") = "5"
    & skf21("1","1","3","4","1","1","7","1") = "6"
    & skf21("1","1","3","4","1","2","1","1") = "3"
    & skf21("1","1","3","4","1","2","2","1") = "3"
    & skf21("1","1","3","4","1","2","3","1") = "3"
    & skf21("1","1","3","4","1","2","4","1") = "3"
    & skf21("1","1","3","4","1","2","5","1") = "4"
    & skf21("1","1","3","4","1","2","6","1") = "5"
    & skf21("1","1","3","4","1","2","7","1") = "6"
    & skf21("1","1","3","4","1","3","1","1") = "3"
    & skf21("1","1","3","4","1","3","2","1") = "3"
    & skf21("1","1","3","4","1","3","3","1") = "3"
    & skf21("1","1","3","4","1","3","4","1") = "3"
    & skf21("1","1","3","4","1","3","5","1") = "4"
    & skf21("1","1","3","4","1","3","6","1") = "5"
    & skf21("1","1","3","4","1","3","7","1") = "6"
    & skf21("1","1","3","4","1","4","1","1") = "3"
    & skf21("1","1","3","4","1","4","2","1") = "3"
    & skf21("1","1","3","4","1","4","3","1") = "3"
    & skf21("1","1","3","4","1","4","4","1") = "3"
    & skf21("1","1","3","4","1","4","5","1") = "4"
    & skf21("1","1","3","4","1","4","6","1") = "5"
    & skf21("1","1","3","4","1","4","7","1") = "6"
    & skf21("1","1","3","4","1","5","1","1") = "4"
    & skf21("1","1","3","4","1","5","2","1") = "4"
    & skf21("1","1","3","4","1","5","3","1") = "4"
    & skf21("1","1","3","4","1","5","4","1") = "4"
    & skf21("1","1","3","4","1","5","5","1") = "4"
    & skf21("1","1","3","4","1","5","6","1") = "5"
    & skf21("1","1","3","4","1","5","7","1") = "6"
    & skf21("1","1","3","4","1","6","1","1") = "5"
    & skf21("1","1","3","4","1","6","2","1") = "5"
    & skf21("1","1","3","4","1","6","3","1") = "5"
    & skf21("1","1","3","4","1","6","4","1") = "5"
    & skf21("1","1","3","4","1","6","5","1") = "5"
    & skf21("1","1","3","4","1","6","6","1") = "5"
    & skf21("1","1","3","4","1","6","7","1") = "6"
    & skf21("1","1","3","4","1","7","1","1") = "6"
    & skf21("1","1","3","4","1","7","2","1") = "6"
    & skf21("1","1","3","4","1","7","3","1") = "6"
    & skf21("1","1","3","4","1","7","4","1") = "6"
    & skf21("1","1","3","4","1","7","5","1") = "6"
    & skf21("1","1","3","4","1","7","6","1") = "6"
    & skf21("1","1","3","4","1","7","7","1") = "6"
    & skf21("1","1","3","4","2","1","1","1") = "3"
    & skf21("1","1","3","4","2","1","2","1") = "3"
    & skf21("1","1","3","4","2","1","3","1") = "3"
    & skf21("1","1","3","4","2","1","4","1") = "3"
    & skf21("1","1","3","4","2","1","5","1") = "4"
    & skf21("1","1","3","4","2","1","6","1") = "5"
    & skf21("1","1","3","4","2","1","7","1") = "6"
    & skf21("1","1","3","4","2","2","1","1") = "3"
    & skf21("1","1","3","4","2","2","2","1") = "3"
    & skf21("1","1","3","4","2","2","3","1") = "3"
    & skf21("1","1","3","4","2","2","4","1") = "3"
    & skf21("1","1","3","4","2","2","5","1") = "4"
    & skf21("1","1","3","4","2","2","6","1") = "5"
    & skf21("1","1","3","4","2","2","7","1") = "6"
    & skf21("1","1","3","4","2","3","1","1") = "3"
    & skf21("1","1","3","4","2","3","2","1") = "3"
    & skf21("1","1","3","4","2","3","3","1") = "3"
    & skf21("1","1","3","4","2","3","4","1") = "3"
    & skf21("1","1","3","4","2","3","5","1") = "4"
    & skf21("1","1","3","4","2","3","6","1") = "5"
    & skf21("1","1","3","4","2","3","7","1") = "6"
    & skf21("1","1","3","4","2","4","1","1") = "3"
    & skf21("1","1","3","4","2","4","2","1") = "3"
    & skf21("1","1","3","4","2","4","3","1") = "3"
    & skf21("1","1","3","4","2","4","4","1") = "3"
    & skf21("1","1","3","4","2","4","5","1") = "4"
    & skf21("1","1","3","4","2","4","6","1") = "5"
    & skf21("1","1","3","4","2","4","7","1") = "6"
    & skf21("1","1","3","4","2","5","1","1") = "4"
    & skf21("1","1","3","4","2","5","2","1") = "4"
    & skf21("1","1","3","4","2","5","3","1") = "4"
    & skf21("1","1","3","4","2","5","4","1") = "4"
    & skf21("1","1","3","4","2","5","5","1") = "4"
    & skf21("1","1","3","4","2","5","6","1") = "5"
    & skf21("1","1","3","4","2","5","7","1") = "6"
    & skf21("1","1","3","4","2","6","1","1") = "5"
    & skf21("1","1","3","4","2","6","2","1") = "5"
    & skf21("1","1","3","4","2","6","3","1") = "5"
    & skf21("1","1","3","4","2","6","4","1") = "5"
    & skf21("1","1","3","4","2","6","5","1") = "5"
    & skf21("1","1","3","4","2","6","6","1") = "5"
    & skf21("1","1","3","4","2","6","7","1") = "6"
    & skf21("1","1","3","4","2","7","1","1") = "6"
    & skf21("1","1","3","4","2","7","2","1") = "6"
    & skf21("1","1","3","4","2","7","3","1") = "6"
    & skf21("1","1","3","4","2","7","4","1") = "6"
    & skf21("1","1","3","4","2","7","5","1") = "6"
    & skf21("1","1","3","4","2","7","6","1") = "6"
    & skf21("1","1","3","4","2","7","7","1") = "6"
    & skf21("1","1","3","4","3","1","1","1") = "3"
    & skf21("1","1","3","4","3","1","2","1") = "3"
    & skf21("1","1","3","4","3","1","3","1") = "3"
    & skf21("1","1","3","4","3","1","4","1") = "3"
    & skf21("1","1","3","4","3","1","5","1") = "4"
    & skf21("1","1","3","4","3","1","6","1") = "5"
    & skf21("1","1","3","4","3","1","7","1") = "6"
    & skf21("1","1","3","4","3","2","1","1") = "3"
    & skf21("1","1","3","4","3","2","2","1") = "3"
    & skf21("1","1","3","4","3","2","3","1") = "3"
    & skf21("1","1","3","4","3","2","4","1") = "3"
    & skf21("1","1","3","4","3","2","5","1") = "4"
    & skf21("1","1","3","4","3","2","6","1") = "5"
    & skf21("1","1","3","4","3","2","7","1") = "6"
    & skf21("1","1","3","4","3","3","1","1") = "3"
    & skf21("1","1","3","4","3","3","2","1") = "3"
    & skf21("1","1","3","4","3","3","3","1") = "3"
    & skf21("1","1","3","4","3","3","4","1") = "3"
    & skf21("1","1","3","4","3","3","5","1") = "4"
    & skf21("1","1","3","4","3","3","6","1") = "5"
    & skf21("1","1","3","4","3","3","7","1") = "6"
    & skf21("1","1","3","4","3","4","1","1") = "3"
    & skf21("1","1","3","4","3","4","2","1") = "3"
    & skf21("1","1","3","4","3","4","3","1") = "3"
    & skf21("1","1","3","4","3","4","4","1") = "3"
    & skf21("1","1","3","4","3","4","5","1") = "4"
    & skf21("1","1","3","4","3","4","6","1") = "5"
    & skf21("1","1","3","4","3","4","7","1") = "6"
    & skf21("1","1","3","4","3","5","1","1") = "4"
    & skf21("1","1","3","4","3","5","2","1") = "4"
    & skf21("1","1","3","4","3","5","3","1") = "4"
    & skf21("1","1","3","4","3","5","4","1") = "4"
    & skf21("1","1","3","4","3","5","5","1") = "4"
    & skf21("1","1","3","4","3","5","6","1") = "5"
    & skf21("1","1","3","4","3","5","7","1") = "6"
    & skf21("1","1","3","4","3","6","1","1") = "5"
    & skf21("1","1","3","4","3","6","2","1") = "5"
    & skf21("1","1","3","4","3","6","3","1") = "5"
    & skf21("1","1","3","4","3","6","4","1") = "5"
    & skf21("1","1","3","4","3","6","5","1") = "5"
    & skf21("1","1","3","4","3","6","6","1") = "5"
    & skf21("1","1","3","4","3","6","7","1") = "6"
    & skf21("1","1","3","4","3","7","1","1") = "6"
    & skf21("1","1","3","4","3","7","2","1") = "6"
    & skf21("1","1","3","4","3","7","3","1") = "6"
    & skf21("1","1","3","4","3","7","4","1") = "6"
    & skf21("1","1","3","4","3","7","5","1") = "6"
    & skf21("1","1","3","4","3","7","6","1") = "6"
    & skf21("1","1","3","4","3","7","7","1") = "6"
    & skf21("1","1","3","4","4","1","1","1") = "3"
    & skf21("1","1","3","4","4","1","2","1") = "3"
    & skf21("1","1","3","4","4","1","3","1") = "3"
    & skf21("1","1","3","4","4","1","4","1") = "3"
    & skf21("1","1","3","4","4","1","5","1") = "4"
    & skf21("1","1","3","4","4","1","6","1") = "5"
    & skf21("1","1","3","4","4","1","7","1") = "6"
    & skf21("1","1","3","4","4","2","1","1") = "3"
    & skf21("1","1","3","4","4","2","2","1") = "3"
    & skf21("1","1","3","4","4","2","3","1") = "3"
    & skf21("1","1","3","4","4","2","4","1") = "3"
    & skf21("1","1","3","4","4","2","5","1") = "4"
    & skf21("1","1","3","4","4","2","6","1") = "5"
    & skf21("1","1","3","4","4","2","7","1") = "6"
    & skf21("1","1","3","4","4","3","1","1") = "3"
    & skf21("1","1","3","4","4","3","2","1") = "3"
    & skf21("1","1","3","4","4","3","3","1") = "3"
    & skf21("1","1","3","4","4","3","4","1") = "3"
    & skf21("1","1","3","4","4","3","5","1") = "4"
    & skf21("1","1","3","4","4","3","6","1") = "5"
    & skf21("1","1","3","4","4","3","7","1") = "6"
    & skf21("1","1","3","4","4","4","1","1") = "3"
    & skf21("1","1","3","4","4","4","2","1") = "3"
    & skf21("1","1","3","4","4","4","3","1") = "3"
    & skf21("1","1","3","4","4","4","4","1") = "3"
    & skf21("1","1","3","4","4","4","5","1") = "4"
    & skf21("1","1","3","4","4","4","6","1") = "5"
    & skf21("1","1","3","4","4","4","7","1") = "6"
    & skf21("1","1","3","4","4","5","1","1") = "4"
    & skf21("1","1","3","4","4","5","2","1") = "4"
    & skf21("1","1","3","4","4","5","3","1") = "4"
    & skf21("1","1","3","4","4","5","4","1") = "4"
    & skf21("1","1","3","4","4","5","5","1") = "4"
    & skf21("1","1","3","4","4","5","6","1") = "5"
    & skf21("1","1","3","4","4","5","7","1") = "6"
    & skf21("1","1","3","4","4","6","1","1") = "5"
    & skf21("1","1","3","4","4","6","2","1") = "5"
    & skf21("1","1","3","4","4","6","3","1") = "5"
    & skf21("1","1","3","4","4","6","4","1") = "5"
    & skf21("1","1","3","4","4","6","5","1") = "5"
    & skf21("1","1","3","4","4","6","6","1") = "5"
    & skf21("1","1","3","4","4","6","7","1") = "6"
    & skf21("1","1","3","4","4","7","1","1") = "6"
    & skf21("1","1","3","4","4","7","2","1") = "6"
    & skf21("1","1","3","4","4","7","3","1") = "6"
    & skf21("1","1","3","4","4","7","4","1") = "6"
    & skf21("1","1","3","4","4","7","5","1") = "6"
    & skf21("1","1","3","4","4","7","6","1") = "6"
    & skf21("1","1","3","4","4","7","7","1") = "6"
    & skf21("1","1","3","4","5","1","1","1") = "4"
    & skf21("1","1","3","4","5","1","2","1") = "4"
    & skf21("1","1","3","4","5","1","3","1") = "4"
    & skf21("1","1","3","4","5","1","4","1") = "4"
    & skf21("1","1","3","4","5","1","5","1") = "4"
    & skf21("1","1","3","4","5","1","6","1") = "5"
    & skf21("1","1","3","4","5","1","7","1") = "6"
    & skf21("1","1","3","4","5","2","1","1") = "4"
    & skf21("1","1","3","4","5","2","2","1") = "4"
    & skf21("1","1","3","4","5","2","3","1") = "4"
    & skf21("1","1","3","4","5","2","4","1") = "4"
    & skf21("1","1","3","4","5","2","5","1") = "4"
    & skf21("1","1","3","4","5","2","6","1") = "5"
    & skf21("1","1","3","4","5","2","7","1") = "6"
    & skf21("1","1","3","4","5","3","1","1") = "4"
    & skf21("1","1","3","4","5","3","2","1") = "4"
    & skf21("1","1","3","4","5","3","3","1") = "4"
    & skf21("1","1","3","4","5","3","4","1") = "4"
    & skf21("1","1","3","4","5","3","5","1") = "4"
    & skf21("1","1","3","4","5","3","6","1") = "5"
    & skf21("1","1","3","4","5","3","7","1") = "6"
    & skf21("1","1","3","4","5","4","1","1") = "4"
    & skf21("1","1","3","4","5","4","2","1") = "4"
    & skf21("1","1","3","4","5","4","3","1") = "4"
    & skf21("1","1","3","4","5","4","4","1") = "4"
    & skf21("1","1","3","4","5","4","5","1") = "4"
    & skf21("1","1","3","4","5","4","6","1") = "5"
    & skf21("1","1","3","4","5","4","7","1") = "6"
    & skf21("1","1","3","4","5","5","1","1") = "4"
    & skf21("1","1","3","4","5","5","2","1") = "4"
    & skf21("1","1","3","4","5","5","3","1") = "4"
    & skf21("1","1","3","4","5","5","4","1") = "4"
    & skf21("1","1","3","4","5","5","5","1") = "4"
    & skf21("1","1","3","4","5","5","6","1") = "5"
    & skf21("1","1","3","4","5","5","7","1") = "6"
    & skf21("1","1","3","4","5","6","1","1") = "5"
    & skf21("1","1","3","4","5","6","2","1") = "5"
    & skf21("1","1","3","4","5","6","3","1") = "5"
    & skf21("1","1","3","4","5","6","4","1") = "5"
    & skf21("1","1","3","4","5","6","5","1") = "5"
    & skf21("1","1","3","4","5","6","6","1") = "5"
    & skf21("1","1","3","4","5","6","7","1") = "6"
    & skf21("1","1","3","4","5","7","1","1") = "6"
    & skf21("1","1","3","4","5","7","2","1") = "6"
    & skf21("1","1","3","4","5","7","3","1") = "6"
    & skf21("1","1","3","4","5","7","4","1") = "6"
    & skf21("1","1","3","4","5","7","5","1") = "6"
    & skf21("1","1","3","4","5","7","6","1") = "6"
    & skf21("1","1","3","4","5","7","7","1") = "6"
    & skf21("1","1","3","4","6","1","1","1") = "5"
    & skf21("1","1","3","4","6","1","2","1") = "5"
    & skf21("1","1","3","4","6","1","3","1") = "5"
    & skf21("1","1","3","4","6","1","4","1") = "5"
    & skf21("1","1","3","4","6","1","5","1") = "5"
    & skf21("1","1","3","4","6","1","6","1") = "5"
    & skf21("1","1","3","4","6","1","7","1") = "6"
    & skf21("1","1","3","4","6","2","1","1") = "5"
    & skf21("1","1","3","4","6","2","2","1") = "5"
    & skf21("1","1","3","4","6","2","3","1") = "5"
    & skf21("1","1","3","4","6","2","4","1") = "5"
    & skf21("1","1","3","4","6","2","5","1") = "5"
    & skf21("1","1","3","4","6","2","6","1") = "5"
    & skf21("1","1","3","4","6","2","7","1") = "6"
    & skf21("1","1","3","4","6","3","1","1") = "5"
    & skf21("1","1","3","4","6","3","2","1") = "5"
    & skf21("1","1","3","4","6","3","3","1") = "5"
    & skf21("1","1","3","4","6","3","4","1") = "5"
    & skf21("1","1","3","4","6","3","5","1") = "5"
    & skf21("1","1","3","4","6","3","6","1") = "5"
    & skf21("1","1","3","4","6","3","7","1") = "6"
    & skf21("1","1","3","4","6","4","1","1") = "5"
    & skf21("1","1","3","4","6","4","2","1") = "5"
    & skf21("1","1","3","4","6","4","3","1") = "5"
    & skf21("1","1","3","4","6","4","4","1") = "5"
    & skf21("1","1","3","4","6","4","5","1") = "5"
    & skf21("1","1","3","4","6","4","6","1") = "5"
    & skf21("1","1","3","4","6","4","7","1") = "6"
    & skf21("1","1","3","4","6","5","1","1") = "5"
    & skf21("1","1","3","4","6","5","2","1") = "5"
    & skf21("1","1","3","4","6","5","3","1") = "5"
    & skf21("1","1","3","4","6","5","4","1") = "5"
    & skf21("1","1","3","4","6","5","5","1") = "5"
    & skf21("1","1","3","4","6","5","6","1") = "5"
    & skf21("1","1","3","4","6","5","7","1") = "6"
    & skf21("1","1","3","4","6","6","1","1") = "5"
    & skf21("1","1","3","4","6","6","2","1") = "5"
    & skf21("1","1","3","4","6","6","3","1") = "5"
    & skf21("1","1","3","4","6","6","4","1") = "5"
    & skf21("1","1","3","4","6","6","5","1") = "5"
    & skf21("1","1","3","4","6","6","6","1") = "5"
    & skf21("1","1","3","4","6","6","7","1") = "6"
    & skf21("1","1","3","4","6","7","1","1") = "6"
    & skf21("1","1","3","4","6","7","2","1") = "6"
    & skf21("1","1","3","4","6","7","3","1") = "6"
    & skf21("1","1","3","4","6","7","4","1") = "6"
    & skf21("1","1","3","4","6","7","5","1") = "6"
    & skf21("1","1","3","4","6","7","6","1") = "6"
    & skf21("1","1","3","4","6","7","7","1") = "6"
    & skf21("1","1","3","4","7","1","1","1") = "6"
    & skf21("1","1","3","4","7","1","2","1") = "6"
    & skf21("1","1","3","4","7","1","3","1") = "6"
    & skf21("1","1","3","4","7","1","4","1") = "6"
    & skf21("1","1","3","4","7","1","5","1") = "6"
    & skf21("1","1","3","4","7","1","6","1") = "6"
    & skf21("1","1","3","4","7","1","7","1") = "6"
    & skf21("1","1","3","4","7","2","1","1") = "6"
    & skf21("1","1","3","4","7","2","2","1") = "6"
    & skf21("1","1","3","4","7","2","3","1") = "6"
    & skf21("1","1","3","4","7","2","4","1") = "6"
    & skf21("1","1","3","4","7","2","5","1") = "6"
    & skf21("1","1","3","4","7","2","6","1") = "6"
    & skf21("1","1","3","4","7","2","7","1") = "6"
    & skf21("1","1","3","4","7","3","1","1") = "6"
    & skf21("1","1","3","4","7","3","2","1") = "6"
    & skf21("1","1","3","4","7","3","3","1") = "6"
    & skf21("1","1","3","4","7","3","4","1") = "6"
    & skf21("1","1","3","4","7","3","5","1") = "6"
    & skf21("1","1","3","4","7","3","6","1") = "6"
    & skf21("1","1","3","4","7","3","7","1") = "6"
    & skf21("1","1","3","4","7","4","1","1") = "6"
    & skf21("1","1","3","4","7","4","2","1") = "6"
    & skf21("1","1","3","4","7","4","3","1") = "6"
    & skf21("1","1","3","4","7","4","4","1") = "6"
    & skf21("1","1","3","4","7","4","5","1") = "6"
    & skf21("1","1","3","4","7","4","6","1") = "6"
    & skf21("1","1","3","4","7","4","7","1") = "6"
    & skf21("1","1","3","4","7","5","1","1") = "6"
    & skf21("1","1","3","4","7","5","2","1") = "6"
    & skf21("1","1","3","4","7","5","3","1") = "6"
    & skf21("1","1","3","4","7","5","4","1") = "6"
    & skf21("1","1","3","4","7","5","5","1") = "6"
    & skf21("1","1","3","4","7","5","6","1") = "6"
    & skf21("1","1","3","4","7","5","7","1") = "6"
    & skf21("1","1","3","4","7","6","1","1") = "6"
    & skf21("1","1","3","4","7","6","2","1") = "6"
    & skf21("1","1","3","4","7","6","3","1") = "6"
    & skf21("1","1","3","4","7","6","4","1") = "6"
    & skf21("1","1","3","4","7","6","5","1") = "6"
    & skf21("1","1","3","4","7","6","6","1") = "6"
    & skf21("1","1","3","4","7","6","7","1") = "6"
    & skf21("1","1","3","4","7","7","1","1") = "6"
    & skf21("1","1","3","4","7","7","2","1") = "6"
    & skf21("1","1","3","4","7","7","3","1") = "6"
    & skf21("1","1","3","4","7","7","4","1") = "6"
    & skf21("1","1","3","4","7","7","5","1") = "6"
    & skf21("1","1","3","4","7","7","6","1") = "6"
    & skf21("1","1","3","4","7","7","7","1") = "6"
    & skf21("1","1","3","5","1","1","1","1") = "4"
    & skf21("1","1","3","5","1","1","2","1") = "4"
    & skf21("1","1","3","5","1","1","3","1") = "4"
    & skf21("1","1","3","5","1","1","4","1") = "4"
    & skf21("1","1","3","5","1","1","5","1") = "4"
    & skf21("1","1","3","5","1","1","6","1") = "5"
    & skf21("1","1","3","5","1","1","7","1") = "6"
    & skf21("1","1","3","5","1","2","1","1") = "4"
    & skf21("1","1","3","5","1","2","2","1") = "4"
    & skf21("1","1","3","5","1","2","3","1") = "4"
    & skf21("1","1","3","5","1","2","4","1") = "4"
    & skf21("1","1","3","5","1","2","5","1") = "4"
    & skf21("1","1","3","5","1","2","6","1") = "5"
    & skf21("1","1","3","5","1","2","7","1") = "6"
    & skf21("1","1","3","5","1","3","1","1") = "4"
    & skf21("1","1","3","5","1","3","2","1") = "4"
    & skf21("1","1","3","5","1","3","3","1") = "4"
    & skf21("1","1","3","5","1","3","4","1") = "4"
    & skf21("1","1","3","5","1","3","5","1") = "4"
    & skf21("1","1","3","5","1","3","6","1") = "5"
    & skf21("1","1","3","5","1","3","7","1") = "6"
    & skf21("1","1","3","5","1","4","1","1") = "4"
    & skf21("1","1","3","5","1","4","2","1") = "4"
    & skf21("1","1","3","5","1","4","3","1") = "4"
    & skf21("1","1","3","5","1","4","4","1") = "4"
    & skf21("1","1","3","5","1","4","5","1") = "4"
    & skf21("1","1","3","5","1","4","6","1") = "5"
    & skf21("1","1","3","5","1","4","7","1") = "6"
    & skf21("1","1","3","5","1","5","1","1") = "4"
    & skf21("1","1","3","5","1","5","2","1") = "4"
    & skf21("1","1","3","5","1","5","3","1") = "4"
    & skf21("1","1","3","5","1","5","4","1") = "4"
    & skf21("1","1","3","5","1","5","5","1") = "4"
    & skf21("1","1","3","5","1","5","6","1") = "5"
    & skf21("1","1","3","5","1","5","7","1") = "6"
    & skf21("1","1","3","5","1","6","1","1") = "5"
    & skf21("1","1","3","5","1","6","2","1") = "5"
    & skf21("1","1","3","5","1","6","3","1") = "5"
    & skf21("1","1","3","5","1","6","4","1") = "5"
    & skf21("1","1","3","5","1","6","5","1") = "5"
    & skf21("1","1","3","5","1","6","6","1") = "5"
    & skf21("1","1","3","5","1","6","7","1") = "6"
    & skf21("1","1","3","5","1","7","1","1") = "6"
    & skf21("1","1","3","5","1","7","2","1") = "6"
    & skf21("1","1","3","5","1","7","3","1") = "6"
    & skf21("1","1","3","5","1","7","4","1") = "6"
    & skf21("1","1","3","5","1","7","5","1") = "6"
    & skf21("1","1","3","5","1","7","6","1") = "6"
    & skf21("1","1","3","5","1","7","7","1") = "6"
    & skf21("1","1","3","5","2","1","1","1") = "4"
    & skf21("1","1","3","5","2","1","2","1") = "4"
    & skf21("1","1","3","5","2","1","3","1") = "4"
    & skf21("1","1","3","5","2","1","4","1") = "4"
    & skf21("1","1","3","5","2","1","5","1") = "4"
    & skf21("1","1","3","5","2","1","6","1") = "5"
    & skf21("1","1","3","5","2","1","7","1") = "6"
    & skf21("1","1","3","5","2","2","1","1") = "4"
    & skf21("1","1","3","5","2","2","2","1") = "4"
    & skf21("1","1","3","5","2","2","3","1") = "4"
    & skf21("1","1","3","5","2","2","4","1") = "4"
    & skf21("1","1","3","5","2","2","5","1") = "4"
    & skf21("1","1","3","5","2","2","6","1") = "5"
    & skf21("1","1","3","5","2","2","7","1") = "6"
    & skf21("1","1","3","5","2","3","1","1") = "4"
    & skf21("1","1","3","5","2","3","2","1") = "4"
    & skf21("1","1","3","5","2","3","3","1") = "4"
    & skf21("1","1","3","5","2","3","4","1") = "4"
    & skf21("1","1","3","5","2","3","5","1") = "4"
    & skf21("1","1","3","5","2","3","6","1") = "5"
    & skf21("1","1","3","5","2","3","7","1") = "6"
    & skf21("1","1","3","5","2","4","1","1") = "4"
    & skf21("1","1","3","5","2","4","2","1") = "4"
    & skf21("1","1","3","5","2","4","3","1") = "4"
    & skf21("1","1","3","5","2","4","4","1") = "4"
    & skf21("1","1","3","5","2","4","5","1") = "4"
    & skf21("1","1","3","5","2","4","6","1") = "5"
    & skf21("1","1","3","5","2","4","7","1") = "6"
    & skf21("1","1","3","5","2","5","1","1") = "4"
    & skf21("1","1","3","5","2","5","2","1") = "4"
    & skf21("1","1","3","5","2","5","3","1") = "4"
    & skf21("1","1","3","5","2","5","4","1") = "4"
    & skf21("1","1","3","5","2","5","5","1") = "4"
    & skf21("1","1","3","5","2","5","6","1") = "5"
    & skf21("1","1","3","5","2","5","7","1") = "6"
    & skf21("1","1","3","5","2","6","1","1") = "5"
    & skf21("1","1","3","5","2","6","2","1") = "5"
    & skf21("1","1","3","5","2","6","3","1") = "5"
    & skf21("1","1","3","5","2","6","4","1") = "5"
    & skf21("1","1","3","5","2","6","5","1") = "5"
    & skf21("1","1","3","5","2","6","6","1") = "5"
    & skf21("1","1","3","5","2","6","7","1") = "6"
    & skf21("1","1","3","5","2","7","1","1") = "6"
    & skf21("1","1","3","5","2","7","2","1") = "6"
    & skf21("1","1","3","5","2","7","3","1") = "6"
    & skf21("1","1","3","5","2","7","4","1") = "6"
    & skf21("1","1","3","5","2","7","5","1") = "6"
    & skf21("1","1","3","5","2","7","6","1") = "6"
    & skf21("1","1","3","5","2","7","7","1") = "6"
    & skf21("1","1","3","5","3","1","1","1") = "4"
    & skf21("1","1","3","5","3","1","2","1") = "4"
    & skf21("1","1","3","5","3","1","3","1") = "4"
    & skf21("1","1","3","5","3","1","4","1") = "4"
    & skf21("1","1","3","5","3","1","5","1") = "4"
    & skf21("1","1","3","5","3","1","6","1") = "5"
    & skf21("1","1","3","5","3","1","7","1") = "6"
    & skf21("1","1","3","5","3","2","1","1") = "4"
    & skf21("1","1","3","5","3","2","2","1") = "4"
    & skf21("1","1","3","5","3","2","3","1") = "4"
    & skf21("1","1","3","5","3","2","4","1") = "4"
    & skf21("1","1","3","5","3","2","5","1") = "4"
    & skf21("1","1","3","5","3","2","6","1") = "5"
    & skf21("1","1","3","5","3","2","7","1") = "6"
    & skf21("1","1","3","5","3","3","1","1") = "4"
    & skf21("1","1","3","5","3","3","2","1") = "4"
    & skf21("1","1","3","5","3","3","3","1") = "4"
    & skf21("1","1","3","5","3","3","4","1") = "4"
    & skf21("1","1","3","5","3","3","5","1") = "4"
    & skf21("1","1","3","5","3","3","6","1") = "5"
    & skf21("1","1","3","5","3","3","7","1") = "6"
    & skf21("1","1","3","5","3","4","1","1") = "4"
    & skf21("1","1","3","5","3","4","2","1") = "4"
    & skf21("1","1","3","5","3","4","3","1") = "4"
    & skf21("1","1","3","5","3","4","4","1") = "4"
    & skf21("1","1","3","5","3","4","5","1") = "4"
    & skf21("1","1","3","5","3","4","6","1") = "5"
    & skf21("1","1","3","5","3","4","7","1") = "6"
    & skf21("1","1","3","5","3","5","1","1") = "4"
    & skf21("1","1","3","5","3","5","2","1") = "4"
    & skf21("1","1","3","5","3","5","3","1") = "4"
    & skf21("1","1","3","5","3","5","4","1") = "4"
    & skf21("1","1","3","5","3","5","5","1") = "4"
    & skf21("1","1","3","5","3","5","6","1") = "5"
    & skf21("1","1","3","5","3","5","7","1") = "6"
    & skf21("1","1","3","5","3","6","1","1") = "5"
    & skf21("1","1","3","5","3","6","2","1") = "5"
    & skf21("1","1","3","5","3","6","3","1") = "5"
    & skf21("1","1","3","5","3","6","4","1") = "5"
    & skf21("1","1","3","5","3","6","5","1") = "5"
    & skf21("1","1","3","5","3","6","6","1") = "5"
    & skf21("1","1","3","5","3","6","7","1") = "6"
    & skf21("1","1","3","5","3","7","1","1") = "6"
    & skf21("1","1","3","5","3","7","2","1") = "6"
    & skf21("1","1","3","5","3","7","3","1") = "6"
    & skf21("1","1","3","5","3","7","4","1") = "6"
    & skf21("1","1","3","5","3","7","5","1") = "6"
    & skf21("1","1","3","5","3","7","6","1") = "6"
    & skf21("1","1","3","5","3","7","7","1") = "6"
    & skf21("1","1","3","5","4","1","1","1") = "4"
    & skf21("1","1","3","5","4","1","2","1") = "4"
    & skf21("1","1","3","5","4","1","3","1") = "4"
    & skf21("1","1","3","5","4","1","4","1") = "4"
    & skf21("1","1","3","5","4","1","5","1") = "4"
    & skf21("1","1","3","5","4","1","6","1") = "5"
    & skf21("1","1","3","5","4","1","7","1") = "6"
    & skf21("1","1","3","5","4","2","1","1") = "4"
    & skf21("1","1","3","5","4","2","2","1") = "4"
    & skf21("1","1","3","5","4","2","3","1") = "4"
    & skf21("1","1","3","5","4","2","4","1") = "4"
    & skf21("1","1","3","5","4","2","5","1") = "4"
    & skf21("1","1","3","5","4","2","6","1") = "5"
    & skf21("1","1","3","5","4","2","7","1") = "6"
    & skf21("1","1","3","5","4","3","1","1") = "4"
    & skf21("1","1","3","5","4","3","2","1") = "4"
    & skf21("1","1","3","5","4","3","3","1") = "4"
    & skf21("1","1","3","5","4","3","4","1") = "4"
    & skf21("1","1","3","5","4","3","5","1") = "4"
    & skf21("1","1","3","5","4","3","6","1") = "5"
    & skf21("1","1","3","5","4","3","7","1") = "6"
    & skf21("1","1","3","5","4","4","1","1") = "4"
    & skf21("1","1","3","5","4","4","2","1") = "4"
    & skf21("1","1","3","5","4","4","3","1") = "4"
    & skf21("1","1","3","5","4","4","4","1") = "4"
    & skf21("1","1","3","5","4","4","5","1") = "4"
    & skf21("1","1","3","5","4","4","6","1") = "5"
    & skf21("1","1","3","5","4","4","7","1") = "6"
    & skf21("1","1","3","5","4","5","1","1") = "4"
    & skf21("1","1","3","5","4","5","2","1") = "4"
    & skf21("1","1","3","5","4","5","3","1") = "4"
    & skf21("1","1","3","5","4","5","4","1") = "4"
    & skf21("1","1","3","5","4","5","5","1") = "4"
    & skf21("1","1","3","5","4","5","6","1") = "5"
    & skf21("1","1","3","5","4","5","7","1") = "6"
    & skf21("1","1","3","5","4","6","1","1") = "5"
    & skf21("1","1","3","5","4","6","2","1") = "5"
    & skf21("1","1","3","5","4","6","3","1") = "5"
    & skf21("1","1","3","5","4","6","4","1") = "5"
    & skf21("1","1","3","5","4","6","5","1") = "5"
    & skf21("1","1","3","5","4","6","6","1") = "5"
    & skf21("1","1","3","5","4","6","7","1") = "6"
    & skf21("1","1","3","5","4","7","1","1") = "6"
    & skf21("1","1","3","5","4","7","2","1") = "6"
    & skf21("1","1","3","5","4","7","3","1") = "6"
    & skf21("1","1","3","5","4","7","4","1") = "6"
    & skf21("1","1","3","5","4","7","5","1") = "6"
    & skf21("1","1","3","5","4","7","6","1") = "6"
    & skf21("1","1","3","5","4","7","7","1") = "6"
    & skf21("1","1","3","5","5","1","1","1") = "4"
    & skf21("1","1","3","5","5","1","2","1") = "4"
    & skf21("1","1","3","5","5","1","3","1") = "4"
    & skf21("1","1","3","5","5","1","4","1") = "4"
    & skf21("1","1","3","5","5","1","5","1") = "4"
    & skf21("1","1","3","5","5","1","6","1") = "5"
    & skf21("1","1","3","5","5","1","7","1") = "6"
    & skf21("1","1","3","5","5","2","1","1") = "4"
    & skf21("1","1","3","5","5","2","2","1") = "4"
    & skf21("1","1","3","5","5","2","3","1") = "4"
    & skf21("1","1","3","5","5","2","4","1") = "4"
    & skf21("1","1","3","5","5","2","5","1") = "4"
    & skf21("1","1","3","5","5","2","6","1") = "5"
    & skf21("1","1","3","5","5","2","7","1") = "6"
    & skf21("1","1","3","5","5","3","1","1") = "4"
    & skf21("1","1","3","5","5","3","2","1") = "4"
    & skf21("1","1","3","5","5","3","3","1") = "4"
    & skf21("1","1","3","5","5","3","4","1") = "4"
    & skf21("1","1","3","5","5","3","5","1") = "4"
    & skf21("1","1","3","5","5","3","6","1") = "5"
    & skf21("1","1","3","5","5","3","7","1") = "6"
    & skf21("1","1","3","5","5","4","1","1") = "4"
    & skf21("1","1","3","5","5","4","2","1") = "4"
    & skf21("1","1","3","5","5","4","3","1") = "4"
    & skf21("1","1","3","5","5","4","4","1") = "4"
    & skf21("1","1","3","5","5","4","5","1") = "4"
    & skf21("1","1","3","5","5","4","6","1") = "5"
    & skf21("1","1","3","5","5","4","7","1") = "6"
    & skf21("1","1","3","5","5","5","1","1") = "4"
    & skf21("1","1","3","5","5","5","2","1") = "4"
    & skf21("1","1","3","5","5","5","3","1") = "4"
    & skf21("1","1","3","5","5","5","4","1") = "4"
    & skf21("1","1","3","5","5","5","5","1") = "4"
    & skf21("1","1","3","5","5","5","6","1") = "5"
    & skf21("1","1","3","5","5","5","7","1") = "6"
    & skf21("1","1","3","5","5","6","1","1") = "5"
    & skf21("1","1","3","5","5","6","2","1") = "5"
    & skf21("1","1","3","5","5","6","3","1") = "5"
    & skf21("1","1","3","5","5","6","4","1") = "5"
    & skf21("1","1","3","5","5","6","5","1") = "5"
    & skf21("1","1","3","5","5","6","6","1") = "5"
    & skf21("1","1","3","5","5","6","7","1") = "6"
    & skf21("1","1","3","5","5","7","1","1") = "6"
    & skf21("1","1","3","5","5","7","2","1") = "6"
    & skf21("1","1","3","5","5","7","3","1") = "6"
    & skf21("1","1","3","5","5","7","4","1") = "6"
    & skf21("1","1","3","5","5","7","5","1") = "6"
    & skf21("1","1","3","5","5","7","6","1") = "6"
    & skf21("1","1","3","5","5","7","7","1") = "6"
    & skf21("1","1","3","5","6","1","1","1") = "5"
    & skf21("1","1","3","5","6","1","2","1") = "5"
    & skf21("1","1","3","5","6","1","3","1") = "5"
    & skf21("1","1","3","5","6","1","4","1") = "5"
    & skf21("1","1","3","5","6","1","5","1") = "5"
    & skf21("1","1","3","5","6","1","6","1") = "5"
    & skf21("1","1","3","5","6","1","7","1") = "6"
    & skf21("1","1","3","5","6","2","1","1") = "5"
    & skf21("1","1","3","5","6","2","2","1") = "5"
    & skf21("1","1","3","5","6","2","3","1") = "5"
    & skf21("1","1","3","5","6","2","4","1") = "5"
    & skf21("1","1","3","5","6","2","5","1") = "5"
    & skf21("1","1","3","5","6","2","6","1") = "5"
    & skf21("1","1","3","5","6","2","7","1") = "6"
    & skf21("1","1","3","5","6","3","1","1") = "5"
    & skf21("1","1","3","5","6","3","2","1") = "5"
    & skf21("1","1","3","5","6","3","3","1") = "5"
    & skf21("1","1","3","5","6","3","4","1") = "5"
    & skf21("1","1","3","5","6","3","5","1") = "5"
    & skf21("1","1","3","5","6","3","6","1") = "5"
    & skf21("1","1","3","5","6","3","7","1") = "6"
    & skf21("1","1","3","5","6","4","1","1") = "5"
    & skf21("1","1","3","5","6","4","2","1") = "5"
    & skf21("1","1","3","5","6","4","3","1") = "5"
    & skf21("1","1","3","5","6","4","4","1") = "5"
    & skf21("1","1","3","5","6","4","5","1") = "5"
    & skf21("1","1","3","5","6","4","6","1") = "5"
    & skf21("1","1","3","5","6","4","7","1") = "6"
    & skf21("1","1","3","5","6","5","1","1") = "5"
    & skf21("1","1","3","5","6","5","2","1") = "5"
    & skf21("1","1","3","5","6","5","3","1") = "5"
    & skf21("1","1","3","5","6","5","4","1") = "5"
    & skf21("1","1","3","5","6","5","5","1") = "5"
    & skf21("1","1","3","5","6","5","6","1") = "5"
    & skf21("1","1","3","5","6","5","7","1") = "6"
    & skf21("1","1","3","5","6","6","1","1") = "5"
    & skf21("1","1","3","5","6","6","2","1") = "5"
    & skf21("1","1","3","5","6","6","3","1") = "5"
    & skf21("1","1","3","5","6","6","4","1") = "5"
    & skf21("1","1","3","5","6","6","5","1") = "5"
    & skf21("1","1","3","5","6","6","6","1") = "5"
    & skf21("1","1","3","5","6","6","7","1") = "6"
    & skf21("1","1","3","5","6","7","1","1") = "6"
    & skf21("1","1","3","5","6","7","2","1") = "6"
    & skf21("1","1","3","5","6","7","3","1") = "6"
    & skf21("1","1","3","5","6","7","4","1") = "6"
    & skf21("1","1","3","5","6","7","5","1") = "6"
    & skf21("1","1","3","5","6","7","6","1") = "6"
    & skf21("1","1","3","5","6","7","7","1") = "6"
    & skf21("1","1","3","5","7","1","1","1") = "6"
    & skf21("1","1","3","5","7","1","2","1") = "6"
    & skf21("1","1","3","5","7","1","3","1") = "6"
    & skf21("1","1","3","5","7","1","4","1") = "6"
    & skf21("1","1","3","5","7","1","5","1") = "6"
    & skf21("1","1","3","5","7","1","6","1") = "6"
    & skf21("1","1","3","5","7","1","7","1") = "6"
    & skf21("1","1","3","5","7","2","1","1") = "6"
    & skf21("1","1","3","5","7","2","2","1") = "6"
    & skf21("1","1","3","5","7","2","3","1") = "6"
    & skf21("1","1","3","5","7","2","4","1") = "6"
    & skf21("1","1","3","5","7","2","5","1") = "6"
    & skf21("1","1","3","5","7","2","6","1") = "6"
    & skf21("1","1","3","5","7","2","7","1") = "6"
    & skf21("1","1","3","5","7","3","1","1") = "6"
    & skf21("1","1","3","5","7","3","2","1") = "6"
    & skf21("1","1","3","5","7","3","3","1") = "6"
    & skf21("1","1","3","5","7","3","4","1") = "6"
    & skf21("1","1","3","5","7","3","5","1") = "6"
    & skf21("1","1","3","5","7","3","6","1") = "6"
    & skf21("1","1","3","5","7","3","7","1") = "6"
    & skf21("1","1","3","5","7","4","1","1") = "6"
    & skf21("1","1","3","5","7","4","2","1") = "6"
    & skf21("1","1","3","5","7","4","3","1") = "6"
    & skf21("1","1","3","5","7","4","4","1") = "6"
    & skf21("1","1","3","5","7","4","5","1") = "6"
    & skf21("1","1","3","5","7","4","6","1") = "6"
    & skf21("1","1","3","5","7","4","7","1") = "6"
    & skf21("1","1","3","5","7","5","1","1") = "6"
    & skf21("1","1","3","5","7","5","2","1") = "6"
    & skf21("1","1","3","5","7","5","3","1") = "6"
    & skf21("1","1","3","5","7","5","4","1") = "6"
    & skf21("1","1","3","5","7","5","5","1") = "6"
    & skf21("1","1","3","5","7","5","6","1") = "6"
    & skf21("1","1","3","5","7","5","7","1") = "6"
    & skf21("1","1","3","5","7","6","1","1") = "6"
    & skf21("1","1","3","5","7","6","2","1") = "6"
    & skf21("1","1","3","5","7","6","3","1") = "6"
    & skf21("1","1","3","5","7","6","4","1") = "6"
    & skf21("1","1","3","5","7","6","5","1") = "6"
    & skf21("1","1","3","5","7","6","6","1") = "6"
    & skf21("1","1","3","5","7","6","7","1") = "6"
    & skf21("1","1","3","5","7","7","1","1") = "6"
    & skf21("1","1","3","5","7","7","2","1") = "6"
    & skf21("1","1","3","5","7","7","3","1") = "6"
    & skf21("1","1","3","5","7","7","4","1") = "6"
    & skf21("1","1","3","5","7","7","5","1") = "6"
    & skf21("1","1","3","5","7","7","6","1") = "6"
    & skf21("1","1","3","5","7","7","7","1") = "6"
    & skf21("1","1","3","6","1","1","1","1") = "5"
    & skf21("1","1","3","6","1","1","2","1") = "5"
    & skf21("1","1","3","6","1","1","3","1") = "5"
    & skf21("1","1","3","6","1","1","4","1") = "5"
    & skf21("1","1","3","6","1","1","5","1") = "5"
    & skf21("1","1","3","6","1","1","6","1") = "5"
    & skf21("1","1","3","6","1","1","7","1") = "6"
    & skf21("1","1","3","6","1","2","1","1") = "5"
    & skf21("1","1","3","6","1","2","2","1") = "5"
    & skf21("1","1","3","6","1","2","3","1") = "5"
    & skf21("1","1","3","6","1","2","4","1") = "5"
    & skf21("1","1","3","6","1","2","5","1") = "5"
    & skf21("1","1","3","6","1","2","6","1") = "5"
    & skf21("1","1","3","6","1","2","7","1") = "6"
    & skf21("1","1","3","6","1","3","1","1") = "5"
    & skf21("1","1","3","6","1","3","2","1") = "5"
    & skf21("1","1","3","6","1","3","3","1") = "5"
    & skf21("1","1","3","6","1","3","4","1") = "5"
    & skf21("1","1","3","6","1","3","5","1") = "5"
    & skf21("1","1","3","6","1","3","6","1") = "5"
    & skf21("1","1","3","6","1","3","7","1") = "6"
    & skf21("1","1","3","6","1","4","1","1") = "5"
    & skf21("1","1","3","6","1","4","2","1") = "5"
    & skf21("1","1","3","6","1","4","3","1") = "5"
    & skf21("1","1","3","6","1","4","4","1") = "5"
    & skf21("1","1","3","6","1","4","5","1") = "5"
    & skf21("1","1","3","6","1","4","6","1") = "5"
    & skf21("1","1","3","6","1","4","7","1") = "6"
    & skf21("1","1","3","6","1","5","1","1") = "5"
    & skf21("1","1","3","6","1","5","2","1") = "5"
    & skf21("1","1","3","6","1","5","3","1") = "5"
    & skf21("1","1","3","6","1","5","4","1") = "5"
    & skf21("1","1","3","6","1","5","5","1") = "5"
    & skf21("1","1","3","6","1","5","6","1") = "5"
    & skf21("1","1","3","6","1","5","7","1") = "6"
    & skf21("1","1","3","6","1","6","1","1") = "5"
    & skf21("1","1","3","6","1","6","2","1") = "5"
    & skf21("1","1","3","6","1","6","3","1") = "5"
    & skf21("1","1","3","6","1","6","4","1") = "5"
    & skf21("1","1","3","6","1","6","5","1") = "5"
    & skf21("1","1","3","6","1","6","6","1") = "5"
    & skf21("1","1","3","6","1","6","7","1") = "6"
    & skf21("1","1","3","6","1","7","1","1") = "6"
    & skf21("1","1","3","6","1","7","2","1") = "6"
    & skf21("1","1","3","6","1","7","3","1") = "6"
    & skf21("1","1","3","6","1","7","4","1") = "6"
    & skf21("1","1","3","6","1","7","5","1") = "6"
    & skf21("1","1","3","6","1","7","6","1") = "6"
    & skf21("1","1","3","6","1","7","7","1") = "6"
    & skf21("1","1","3","6","2","1","1","1") = "5"
    & skf21("1","1","3","6","2","1","2","1") = "5"
    & skf21("1","1","3","6","2","1","3","1") = "5"
    & skf21("1","1","3","6","2","1","4","1") = "5"
    & skf21("1","1","3","6","2","1","5","1") = "5"
    & skf21("1","1","3","6","2","1","6","1") = "5"
    & skf21("1","1","3","6","2","1","7","1") = "6"
    & skf21("1","1","3","6","2","2","1","1") = "5"
    & skf21("1","1","3","6","2","2","2","1") = "5"
    & skf21("1","1","3","6","2","2","3","1") = "5"
    & skf21("1","1","3","6","2","2","4","1") = "5"
    & skf21("1","1","3","6","2","2","5","1") = "5"
    & skf21("1","1","3","6","2","2","6","1") = "5"
    & skf21("1","1","3","6","2","2","7","1") = "6"
    & skf21("1","1","3","6","2","3","1","1") = "5"
    & skf21("1","1","3","6","2","3","2","1") = "5"
    & skf21("1","1","3","6","2","3","3","1") = "5"
    & skf21("1","1","3","6","2","3","4","1") = "5"
    & skf21("1","1","3","6","2","3","5","1") = "5"
    & skf21("1","1","3","6","2","3","6","1") = "5"
    & skf21("1","1","3","6","2","3","7","1") = "6"
    & skf21("1","1","3","6","2","4","1","1") = "5"
    & skf21("1","1","3","6","2","4","2","1") = "5"
    & skf21("1","1","3","6","2","4","3","1") = "5"
    & skf21("1","1","3","6","2","4","4","1") = "5"
    & skf21("1","1","3","6","2","4","5","1") = "5"
    & skf21("1","1","3","6","2","4","6","1") = "5"
    & skf21("1","1","3","6","2","4","7","1") = "6"
    & skf21("1","1","3","6","2","5","1","1") = "5"
    & skf21("1","1","3","6","2","5","2","1") = "5"
    & skf21("1","1","3","6","2","5","3","1") = "5"
    & skf21("1","1","3","6","2","5","4","1") = "5"
    & skf21("1","1","3","6","2","5","5","1") = "5"
    & skf21("1","1","3","6","2","5","6","1") = "5"
    & skf21("1","1","3","6","2","5","7","1") = "6"
    & skf21("1","1","3","6","2","6","1","1") = "5"
    & skf21("1","1","3","6","2","6","2","1") = "5"
    & skf21("1","1","3","6","2","6","3","1") = "5"
    & skf21("1","1","3","6","2","6","4","1") = "5"
    & skf21("1","1","3","6","2","6","5","1") = "5"
    & skf21("1","1","3","6","2","6","6","1") = "5"
    & skf21("1","1","3","6","2","6","7","1") = "6"
    & skf21("1","1","3","6","2","7","1","1") = "6"
    & skf21("1","1","3","6","2","7","2","1") = "6"
    & skf21("1","1","3","6","2","7","3","1") = "6"
    & skf21("1","1","3","6","2","7","4","1") = "6"
    & skf21("1","1","3","6","2","7","5","1") = "6"
    & skf21("1","1","3","6","2","7","6","1") = "6"
    & skf21("1","1","3","6","2","7","7","1") = "6"
    & skf21("1","1","3","6","3","1","1","1") = "5"
    & skf21("1","1","3","6","3","1","2","1") = "5"
    & skf21("1","1","3","6","3","1","3","1") = "5"
    & skf21("1","1","3","6","3","1","4","1") = "5"
    & skf21("1","1","3","6","3","1","5","1") = "5"
    & skf21("1","1","3","6","3","1","6","1") = "5"
    & skf21("1","1","3","6","3","1","7","1") = "6"
    & skf21("1","1","3","6","3","2","1","1") = "5"
    & skf21("1","1","3","6","3","2","2","1") = "5"
    & skf21("1","1","3","6","3","2","3","1") = "5"
    & skf21("1","1","3","6","3","2","4","1") = "5"
    & skf21("1","1","3","6","3","2","5","1") = "5"
    & skf21("1","1","3","6","3","2","6","1") = "5"
    & skf21("1","1","3","6","3","2","7","1") = "6"
    & skf21("1","1","3","6","3","3","1","1") = "5"
    & skf21("1","1","3","6","3","3","2","1") = "5"
    & skf21("1","1","3","6","3","3","3","1") = "5"
    & skf21("1","1","3","6","3","3","4","1") = "5"
    & skf21("1","1","3","6","3","3","5","1") = "5"
    & skf21("1","1","3","6","3","3","6","1") = "5"
    & skf21("1","1","3","6","3","3","7","1") = "6"
    & skf21("1","1","3","6","3","4","1","1") = "5"
    & skf21("1","1","3","6","3","4","2","1") = "5"
    & skf21("1","1","3","6","3","4","3","1") = "5"
    & skf21("1","1","3","6","3","4","4","1") = "5"
    & skf21("1","1","3","6","3","4","5","1") = "5"
    & skf21("1","1","3","6","3","4","6","1") = "5"
    & skf21("1","1","3","6","3","4","7","1") = "6"
    & skf21("1","1","3","6","3","5","1","1") = "5"
    & skf21("1","1","3","6","3","5","2","1") = "5"
    & skf21("1","1","3","6","3","5","3","1") = "5"
    & skf21("1","1","3","6","3","5","4","1") = "5"
    & skf21("1","1","3","6","3","5","5","1") = "5"
    & skf21("1","1","3","6","3","5","6","1") = "5"
    & skf21("1","1","3","6","3","5","7","1") = "6"
    & skf21("1","1","3","6","3","6","1","1") = "5"
    & skf21("1","1","3","6","3","6","2","1") = "5"
    & skf21("1","1","3","6","3","6","3","1") = "5"
    & skf21("1","1","3","6","3","6","4","1") = "5"
    & skf21("1","1","3","6","3","6","5","1") = "5"
    & skf21("1","1","3","6","3","6","6","1") = "5"
    & skf21("1","1","3","6","3","6","7","1") = "6"
    & skf21("1","1","3","6","3","7","1","1") = "6"
    & skf21("1","1","3","6","3","7","2","1") = "6"
    & skf21("1","1","3","6","3","7","3","1") = "6"
    & skf21("1","1","3","6","3","7","4","1") = "6"
    & skf21("1","1","3","6","3","7","5","1") = "6"
    & skf21("1","1","3","6","3","7","6","1") = "6"
    & skf21("1","1","3","6","3","7","7","1") = "6"
    & skf21("1","1","3","6","4","1","1","1") = "5"
    & skf21("1","1","3","6","4","1","2","1") = "5"
    & skf21("1","1","3","6","4","1","3","1") = "5"
    & skf21("1","1","3","6","4","1","4","1") = "5"
    & skf21("1","1","3","6","4","1","5","1") = "5"
    & skf21("1","1","3","6","4","1","6","1") = "5"
    & skf21("1","1","3","6","4","1","7","1") = "6"
    & skf21("1","1","3","6","4","2","1","1") = "5"
    & skf21("1","1","3","6","4","2","2","1") = "5"
    & skf21("1","1","3","6","4","2","3","1") = "5"
    & skf21("1","1","3","6","4","2","4","1") = "5"
    & skf21("1","1","3","6","4","2","5","1") = "5"
    & skf21("1","1","3","6","4","2","6","1") = "5"
    & skf21("1","1","3","6","4","2","7","1") = "6"
    & skf21("1","1","3","6","4","3","1","1") = "5"
    & skf21("1","1","3","6","4","3","2","1") = "5"
    & skf21("1","1","3","6","4","3","3","1") = "5"
    & skf21("1","1","3","6","4","3","4","1") = "5"
    & skf21("1","1","3","6","4","3","5","1") = "5"
    & skf21("1","1","3","6","4","3","6","1") = "5"
    & skf21("1","1","3","6","4","3","7","1") = "6"
    & skf21("1","1","3","6","4","4","1","1") = "5"
    & skf21("1","1","3","6","4","4","2","1") = "5"
    & skf21("1","1","3","6","4","4","3","1") = "5"
    & skf21("1","1","3","6","4","4","4","1") = "5"
    & skf21("1","1","3","6","4","4","5","1") = "5"
    & skf21("1","1","3","6","4","4","6","1") = "5"
    & skf21("1","1","3","6","4","4","7","1") = "6"
    & skf21("1","1","3","6","4","5","1","1") = "5"
    & skf21("1","1","3","6","4","5","2","1") = "5"
    & skf21("1","1","3","6","4","5","3","1") = "5"
    & skf21("1","1","3","6","4","5","4","1") = "5"
    & skf21("1","1","3","6","4","5","5","1") = "5"
    & skf21("1","1","3","6","4","5","6","1") = "5"
    & skf21("1","1","3","6","4","5","7","1") = "6"
    & skf21("1","1","3","6","4","6","1","1") = "5"
    & skf21("1","1","3","6","4","6","2","1") = "5"
    & skf21("1","1","3","6","4","6","3","1") = "5"
    & skf21("1","1","3","6","4","6","4","1") = "5"
    & skf21("1","1","3","6","4","6","5","1") = "5"
    & skf21("1","1","3","6","4","6","6","1") = "5"
    & skf21("1","1","3","6","4","6","7","1") = "6"
    & skf21("1","1","3","6","4","7","1","1") = "6"
    & skf21("1","1","3","6","4","7","2","1") = "6"
    & skf21("1","1","3","6","4","7","3","1") = "6"
    & skf21("1","1","3","6","4","7","4","1") = "6"
    & skf21("1","1","3","6","4","7","5","1") = "6"
    & skf21("1","1","3","6","4","7","6","1") = "6"
    & skf21("1","1","3","6","4","7","7","1") = "6"
    & skf21("1","1","3","6","5","1","1","1") = "5"
    & skf21("1","1","3","6","5","1","2","1") = "5"
    & skf21("1","1","3","6","5","1","3","1") = "5"
    & skf21("1","1","3","6","5","1","4","1") = "5"
    & skf21("1","1","3","6","5","1","5","1") = "5"
    & skf21("1","1","3","6","5","1","6","1") = "5"
    & skf21("1","1","3","6","5","1","7","1") = "6"
    & skf21("1","1","3","6","5","2","1","1") = "5"
    & skf21("1","1","3","6","5","2","2","1") = "5"
    & skf21("1","1","3","6","5","2","3","1") = "5"
    & skf21("1","1","3","6","5","2","4","1") = "5"
    & skf21("1","1","3","6","5","2","5","1") = "5"
    & skf21("1","1","3","6","5","2","6","1") = "5"
    & skf21("1","1","3","6","5","2","7","1") = "6"
    & skf21("1","1","3","6","5","3","1","1") = "5"
    & skf21("1","1","3","6","5","3","2","1") = "5"
    & skf21("1","1","3","6","5","3","3","1") = "5"
    & skf21("1","1","3","6","5","3","4","1") = "5"
    & skf21("1","1","3","6","5","3","5","1") = "5"
    & skf21("1","1","3","6","5","3","6","1") = "5"
    & skf21("1","1","3","6","5","3","7","1") = "6"
    & skf21("1","1","3","6","5","4","1","1") = "5"
    & skf21("1","1","3","6","5","4","2","1") = "5"
    & skf21("1","1","3","6","5","4","3","1") = "5"
    & skf21("1","1","3","6","5","4","4","1") = "5"
    & skf21("1","1","3","6","5","4","5","1") = "5"
    & skf21("1","1","3","6","5","4","6","1") = "5"
    & skf21("1","1","3","6","5","4","7","1") = "6"
    & skf21("1","1","3","6","5","5","1","1") = "5"
    & skf21("1","1","3","6","5","5","2","1") = "5"
    & skf21("1","1","3","6","5","5","3","1") = "5"
    & skf21("1","1","3","6","5","5","4","1") = "5"
    & skf21("1","1","3","6","5","5","5","1") = "5"
    & skf21("1","1","3","6","5","5","6","1") = "5"
    & skf21("1","1","3","6","5","5","7","1") = "6"
    & skf21("1","1","3","6","5","6","1","1") = "5"
    & skf21("1","1","3","6","5","6","2","1") = "5"
    & skf21("1","1","3","6","5","6","3","1") = "5"
    & skf21("1","1","3","6","5","6","4","1") = "5"
    & skf21("1","1","3","6","5","6","5","1") = "5"
    & skf21("1","1","3","6","5","6","6","1") = "5"
    & skf21("1","1","3","6","5","6","7","1") = "6"
    & skf21("1","1","3","6","5","7","1","1") = "6"
    & skf21("1","1","3","6","5","7","2","1") = "6"
    & skf21("1","1","3","6","5","7","3","1") = "6"
    & skf21("1","1","3","6","5","7","4","1") = "6"
    & skf21("1","1","3","6","5","7","5","1") = "6"
    & skf21("1","1","3","6","5","7","6","1") = "6"
    & skf21("1","1","3","6","5","7","7","1") = "6"
    & skf21("1","1","3","6","6","1","1","1") = "5"
    & skf21("1","1","3","6","6","1","2","1") = "5"
    & skf21("1","1","3","6","6","1","3","1") = "5"
    & skf21("1","1","3","6","6","1","4","1") = "5"
    & skf21("1","1","3","6","6","1","5","1") = "5"
    & skf21("1","1","3","6","6","1","6","1") = "5"
    & skf21("1","1","3","6","6","1","7","1") = "6"
    & skf21("1","1","3","6","6","2","1","1") = "5"
    & skf21("1","1","3","6","6","2","2","1") = "5"
    & skf21("1","1","3","6","6","2","3","1") = "5"
    & skf21("1","1","3","6","6","2","4","1") = "5"
    & skf21("1","1","3","6","6","2","5","1") = "5"
    & skf21("1","1","3","6","6","2","6","1") = "5"
    & skf21("1","1","3","6","6","2","7","1") = "6"
    & skf21("1","1","3","6","6","3","1","1") = "5"
    & skf21("1","1","3","6","6","3","2","1") = "5"
    & skf21("1","1","3","6","6","3","3","1") = "5"
    & skf21("1","1","3","6","6","3","4","1") = "5"
    & skf21("1","1","3","6","6","3","5","1") = "5"
    & skf21("1","1","3","6","6","3","6","1") = "5"
    & skf21("1","1","3","6","6","3","7","1") = "6"
    & skf21("1","1","3","6","6","4","1","1") = "5"
    & skf21("1","1","3","6","6","4","2","1") = "5"
    & skf21("1","1","3","6","6","4","3","1") = "5"
    & skf21("1","1","3","6","6","4","4","1") = "5"
    & skf21("1","1","3","6","6","4","5","1") = "5"
    & skf21("1","1","3","6","6","4","6","1") = "5"
    & skf21("1","1","3","6","6","4","7","1") = "6"
    & skf21("1","1","3","6","6","5","1","1") = "5"
    & skf21("1","1","3","6","6","5","2","1") = "5"
    & skf21("1","1","3","6","6","5","3","1") = "5"
    & skf21("1","1","3","6","6","5","4","1") = "5"
    & skf21("1","1","3","6","6","5","5","1") = "5"
    & skf21("1","1","3","6","6","5","6","1") = "5"
    & skf21("1","1","3","6","6","5","7","1") = "6"
    & skf21("1","1","3","6","6","6","1","1") = "5"
    & skf21("1","1","3","6","6","6","2","1") = "5"
    & skf21("1","1","3","6","6","6","3","1") = "5"
    & skf21("1","1","3","6","6","6","4","1") = "5"
    & skf21("1","1","3","6","6","6","5","1") = "5"
    & skf21("1","1","3","6","6","6","6","1") = "5"
    & skf21("1","1","3","6","6","6","7","1") = "6"
    & skf21("1","1","3","6","6","7","1","1") = "6"
    & skf21("1","1","3","6","6","7","2","1") = "6"
    & skf21("1","1","3","6","6","7","3","1") = "6"
    & skf21("1","1","3","6","6","7","4","1") = "6"
    & skf21("1","1","3","6","6","7","5","1") = "6"
    & skf21("1","1","3","6","6","7","6","1") = "6"
    & skf21("1","1","3","6","6","7","7","1") = "6"
    & skf21("1","1","3","6","7","1","1","1") = "6"
    & skf21("1","1","3","6","7","1","2","1") = "6"
    & skf21("1","1","3","6","7","1","3","1") = "6"
    & skf21("1","1","3","6","7","1","4","1") = "6"
    & skf21("1","1","3","6","7","1","5","1") = "6"
    & skf21("1","1","3","6","7","1","6","1") = "6"
    & skf21("1","1","3","6","7","1","7","1") = "6"
    & skf21("1","1","3","6","7","2","1","1") = "6"
    & skf21("1","1","3","6","7","2","2","1") = "6"
    & skf21("1","1","3","6","7","2","3","1") = "6"
    & skf21("1","1","3","6","7","2","4","1") = "6"
    & skf21("1","1","3","6","7","2","5","1") = "6"
    & skf21("1","1","3","6","7","2","6","1") = "6"
    & skf21("1","1","3","6","7","2","7","1") = "6"
    & skf21("1","1","3","6","7","3","1","1") = "6"
    & skf21("1","1","3","6","7","3","2","1") = "6"
    & skf21("1","1","3","6","7","3","3","1") = "6"
    & skf21("1","1","3","6","7","3","4","1") = "6"
    & skf21("1","1","3","6","7","3","5","1") = "6"
    & skf21("1","1","3","6","7","3","6","1") = "6"
    & skf21("1","1","3","6","7","3","7","1") = "6"
    & skf21("1","1","3","6","7","4","1","1") = "6"
    & skf21("1","1","3","6","7","4","2","1") = "6"
    & skf21("1","1","3","6","7","4","3","1") = "6"
    & skf21("1","1","3","6","7","4","4","1") = "6"
    & skf21("1","1","3","6","7","4","5","1") = "6"
    & skf21("1","1","3","6","7","4","6","1") = "6"
    & skf21("1","1","3","6","7","4","7","1") = "6"
    & skf21("1","1","3","6","7","5","1","1") = "6"
    & skf21("1","1","3","6","7","5","2","1") = "6"
    & skf21("1","1","3","6","7","5","3","1") = "6"
    & skf21("1","1","3","6","7","5","4","1") = "6"
    & skf21("1","1","3","6","7","5","5","1") = "6"
    & skf21("1","1","3","6","7","5","6","1") = "6"
    & skf21("1","1","3","6","7","5","7","1") = "6"
    & skf21("1","1","3","6","7","6","1","1") = "6"
    & skf21("1","1","3","6","7","6","2","1") = "6"
    & skf21("1","1","3","6","7","6","3","1") = "6"
    & skf21("1","1","3","6","7","6","4","1") = "6"
    & skf21("1","1","3","6","7","6","5","1") = "6"
    & skf21("1","1","3","6","7","6","6","1") = "6"
    & skf21("1","1","3","6","7","6","7","1") = "6"
    & skf21("1","1","3","6","7","7","1","1") = "6"
    & skf21("1","1","3","6","7","7","2","1") = "6"
    & skf21("1","1","3","6","7","7","3","1") = "6"
    & skf21("1","1","3","6","7","7","4","1") = "6"
    & skf21("1","1","3","6","7","7","5","1") = "6"
    & skf21("1","1","3","6","7","7","6","1") = "6"
    & skf21("1","1","3","6","7","7","7","1") = "6"
    & skf21("1","1","3","7","1","1","1","1") = "6"
    & skf21("1","1","3","7","1","1","2","1") = "6"
    & skf21("1","1","3","7","1","1","3","1") = "6"
    & skf21("1","1","3","7","1","1","4","1") = "6"
    & skf21("1","1","3","7","1","1","5","1") = "6"
    & skf21("1","1","3","7","1","1","6","1") = "6"
    & skf21("1","1","3","7","1","1","7","1") = "6"
    & skf21("1","1","3","7","1","2","1","1") = "6"
    & skf21("1","1","3","7","1","2","2","1") = "6"
    & skf21("1","1","3","7","1","2","3","1") = "6"
    & skf21("1","1","3","7","1","2","4","1") = "6"
    & skf21("1","1","3","7","1","2","5","1") = "6"
    & skf21("1","1","3","7","1","2","6","1") = "6"
    & skf21("1","1","3","7","1","2","7","1") = "6"
    & skf21("1","1","3","7","1","3","1","1") = "6"
    & skf21("1","1","3","7","1","3","2","1") = "6"
    & skf21("1","1","3","7","1","3","3","1") = "6"
    & skf21("1","1","3","7","1","3","4","1") = "6"
    & skf21("1","1","3","7","1","3","5","1") = "6"
    & skf21("1","1","3","7","1","3","6","1") = "6"
    & skf21("1","1","3","7","1","3","7","1") = "6"
    & skf21("1","1","3","7","1","4","1","1") = "6"
    & skf21("1","1","3","7","1","4","2","1") = "6"
    & skf21("1","1","3","7","1","4","3","1") = "6"
    & skf21("1","1","3","7","1","4","4","1") = "6"
    & skf21("1","1","3","7","1","4","5","1") = "6"
    & skf21("1","1","3","7","1","4","6","1") = "6"
    & skf21("1","1","3","7","1","4","7","1") = "6"
    & skf21("1","1","3","7","1","5","1","1") = "6"
    & skf21("1","1","3","7","1","5","2","1") = "6"
    & skf21("1","1","3","7","1","5","3","1") = "6"
    & skf21("1","1","3","7","1","5","4","1") = "6"
    & skf21("1","1","3","7","1","5","5","1") = "6"
    & skf21("1","1","3","7","1","5","6","1") = "6"
    & skf21("1","1","3","7","1","5","7","1") = "6"
    & skf21("1","1","3","7","1","6","1","1") = "6"
    & skf21("1","1","3","7","1","6","2","1") = "6"
    & skf21("1","1","3","7","1","6","3","1") = "6"
    & skf21("1","1","3","7","1","6","4","1") = "6"
    & skf21("1","1","3","7","1","6","5","1") = "6"
    & skf21("1","1","3","7","1","6","6","1") = "6"
    & skf21("1","1","3","7","1","6","7","1") = "6"
    & skf21("1","1","3","7","1","7","1","1") = "6"
    & skf21("1","1","3","7","1","7","2","1") = "6"
    & skf21("1","1","3","7","1","7","3","1") = "6"
    & skf21("1","1","3","7","1","7","4","1") = "6"
    & skf21("1","1","3","7","1","7","5","1") = "6"
    & skf21("1","1","3","7","1","7","6","1") = "6"
    & skf21("1","1","3","7","1","7","7","1") = "6"
    & skf21("1","1","3","7","2","1","1","1") = "6"
    & skf21("1","1","3","7","2","1","2","1") = "6"
    & skf21("1","1","3","7","2","1","3","1") = "6"
    & skf21("1","1","3","7","2","1","4","1") = "6"
    & skf21("1","1","3","7","2","1","5","1") = "6"
    & skf21("1","1","3","7","2","1","6","1") = "6"
    & skf21("1","1","3","7","2","1","7","1") = "6"
    & skf21("1","1","3","7","2","2","1","1") = "6"
    & skf21("1","1","3","7","2","2","2","1") = "6"
    & skf21("1","1","3","7","2","2","3","1") = "6"
    & skf21("1","1","3","7","2","2","4","1") = "6"
    & skf21("1","1","3","7","2","2","5","1") = "6"
    & skf21("1","1","3","7","2","2","6","1") = "6"
    & skf21("1","1","3","7","2","2","7","1") = "6"
    & skf21("1","1","3","7","2","3","1","1") = "6"
    & skf21("1","1","3","7","2","3","2","1") = "6"
    & skf21("1","1","3","7","2","3","3","1") = "6"
    & skf21("1","1","3","7","2","3","4","1") = "6"
    & skf21("1","1","3","7","2","3","5","1") = "6"
    & skf21("1","1","3","7","2","3","6","1") = "6"
    & skf21("1","1","3","7","2","3","7","1") = "6"
    & skf21("1","1","3","7","2","4","1","1") = "6"
    & skf21("1","1","3","7","2","4","2","1") = "6"
    & skf21("1","1","3","7","2","4","3","1") = "6"
    & skf21("1","1","3","7","2","4","4","1") = "6"
    & skf21("1","1","3","7","2","4","5","1") = "6"
    & skf21("1","1","3","7","2","4","6","1") = "6"
    & skf21("1","1","3","7","2","4","7","1") = "6"
    & skf21("1","1","3","7","2","5","1","1") = "6"
    & skf21("1","1","3","7","2","5","2","1") = "6"
    & skf21("1","1","3","7","2","5","3","1") = "6"
    & skf21("1","1","3","7","2","5","4","1") = "6"
    & skf21("1","1","3","7","2","5","5","1") = "6"
    & skf21("1","1","3","7","2","5","6","1") = "6"
    & skf21("1","1","3","7","2","5","7","1") = "6"
    & skf21("1","1","3","7","2","6","1","1") = "6"
    & skf21("1","1","3","7","2","6","2","1") = "6"
    & skf21("1","1","3","7","2","6","3","1") = "6"
    & skf21("1","1","3","7","2","6","4","1") = "6"
    & skf21("1","1","3","7","2","6","5","1") = "6"
    & skf21("1","1","3","7","2","6","6","1") = "6"
    & skf21("1","1","3","7","2","6","7","1") = "6"
    & skf21("1","1","3","7","2","7","1","1") = "6"
    & skf21("1","1","3","7","2","7","2","1") = "6"
    & skf21("1","1","3","7","2","7","3","1") = "6"
    & skf21("1","1","3","7","2","7","4","1") = "6"
    & skf21("1","1","3","7","2","7","5","1") = "6"
    & skf21("1","1","3","7","2","7","6","1") = "6"
    & skf21("1","1","3","7","2","7","7","1") = "6"
    & skf21("1","1","3","7","3","1","1","1") = "6"
    & skf21("1","1","3","7","3","1","2","1") = "6"
    & skf21("1","1","3","7","3","1","3","1") = "6"
    & skf21("1","1","3","7","3","1","4","1") = "6"
    & skf21("1","1","3","7","3","1","5","1") = "6"
    & skf21("1","1","3","7","3","1","6","1") = "6"
    & skf21("1","1","3","7","3","1","7","1") = "6"
    & skf21("1","1","3","7","3","2","1","1") = "6"
    & skf21("1","1","3","7","3","2","2","1") = "6"
    & skf21("1","1","3","7","3","2","3","1") = "6"
    & skf21("1","1","3","7","3","2","4","1") = "6"
    & skf21("1","1","3","7","3","2","5","1") = "6"
    & skf21("1","1","3","7","3","2","6","1") = "6"
    & skf21("1","1","3","7","3","2","7","1") = "6"
    & skf21("1","1","3","7","3","3","1","1") = "6"
    & skf21("1","1","3","7","3","3","2","1") = "6"
    & skf21("1","1","3","7","3","3","3","1") = "6"
    & skf21("1","1","3","7","3","3","4","1") = "6"
    & skf21("1","1","3","7","3","3","5","1") = "6"
    & skf21("1","1","3","7","3","3","6","1") = "6"
    & skf21("1","1","3","7","3","3","7","1") = "6"
    & skf21("1","1","3","7","3","4","1","1") = "6"
    & skf21("1","1","3","7","3","4","2","1") = "6"
    & skf21("1","1","3","7","3","4","3","1") = "6"
    & skf21("1","1","3","7","3","4","4","1") = "6"
    & skf21("1","1","3","7","3","4","5","1") = "6"
    & skf21("1","1","3","7","3","4","6","1") = "6"
    & skf21("1","1","3","7","3","4","7","1") = "6"
    & skf21("1","1","3","7","3","5","1","1") = "6"
    & skf21("1","1","3","7","3","5","2","1") = "6"
    & skf21("1","1","3","7","3","5","3","1") = "6"
    & skf21("1","1","3","7","3","5","4","1") = "6"
    & skf21("1","1","3","7","3","5","5","1") = "6"
    & skf21("1","1","3","7","3","5","6","1") = "6"
    & skf21("1","1","3","7","3","5","7","1") = "6"
    & skf21("1","1","3","7","3","6","1","1") = "6"
    & skf21("1","1","3","7","3","6","2","1") = "6"
    & skf21("1","1","3","7","3","6","3","1") = "6"
    & skf21("1","1","3","7","3","6","4","1") = "6"
    & skf21("1","1","3","7","3","6","5","1") = "6"
    & skf21("1","1","3","7","3","6","6","1") = "6"
    & skf21("1","1","3","7","3","6","7","1") = "6"
    & skf21("1","1","3","7","3","7","1","1") = "6"
    & skf21("1","1","3","7","3","7","2","1") = "6"
    & skf21("1","1","3","7","3","7","3","1") = "6"
    & skf21("1","1","3","7","3","7","4","1") = "6"
    & skf21("1","1","3","7","3","7","5","1") = "6"
    & skf21("1","1","3","7","3","7","6","1") = "6"
    & skf21("1","1","3","7","3","7","7","1") = "6"
    & skf21("1","1","3","7","4","1","1","1") = "6"
    & skf21("1","1","3","7","4","1","2","1") = "6"
    & skf21("1","1","3","7","4","1","3","1") = "6"
    & skf21("1","1","3","7","4","1","4","1") = "6"
    & skf21("1","1","3","7","4","1","5","1") = "6"
    & skf21("1","1","3","7","4","1","6","1") = "6"
    & skf21("1","1","3","7","4","1","7","1") = "6"
    & skf21("1","1","3","7","4","2","1","1") = "6"
    & skf21("1","1","3","7","4","2","2","1") = "6"
    & skf21("1","1","3","7","4","2","3","1") = "6"
    & skf21("1","1","3","7","4","2","4","1") = "6"
    & skf21("1","1","3","7","4","2","5","1") = "6"
    & skf21("1","1","3","7","4","2","6","1") = "6"
    & skf21("1","1","3","7","4","2","7","1") = "6"
    & skf21("1","1","3","7","4","3","1","1") = "6"
    & skf21("1","1","3","7","4","3","2","1") = "6"
    & skf21("1","1","3","7","4","3","3","1") = "6"
    & skf21("1","1","3","7","4","3","4","1") = "6"
    & skf21("1","1","3","7","4","3","5","1") = "6"
    & skf21("1","1","3","7","4","3","6","1") = "6"
    & skf21("1","1","3","7","4","3","7","1") = "6"
    & skf21("1","1","3","7","4","4","1","1") = "6"
    & skf21("1","1","3","7","4","4","2","1") = "6"
    & skf21("1","1","3","7","4","4","3","1") = "6"
    & skf21("1","1","3","7","4","4","4","1") = "6"
    & skf21("1","1","3","7","4","4","5","1") = "6"
    & skf21("1","1","3","7","4","4","6","1") = "6"
    & skf21("1","1","3","7","4","4","7","1") = "6"
    & skf21("1","1","3","7","4","5","1","1") = "6"
    & skf21("1","1","3","7","4","5","2","1") = "6"
    & skf21("1","1","3","7","4","5","3","1") = "6"
    & skf21("1","1","3","7","4","5","4","1") = "6"
    & skf21("1","1","3","7","4","5","5","1") = "6"
    & skf21("1","1","3","7","4","5","6","1") = "6"
    & skf21("1","1","3","7","4","5","7","1") = "6"
    & skf21("1","1","3","7","4","6","1","1") = "6"
    & skf21("1","1","3","7","4","6","2","1") = "6"
    & skf21("1","1","3","7","4","6","3","1") = "6"
    & skf21("1","1","3","7","4","6","4","1") = "6"
    & skf21("1","1","3","7","4","6","5","1") = "6"
    & skf21("1","1","3","7","4","6","6","1") = "6"
    & skf21("1","1","3","7","4","6","7","1") = "6"
    & skf21("1","1","3","7","4","7","1","1") = "6"
    & skf21("1","1","3","7","4","7","2","1") = "6"
    & skf21("1","1","3","7","4","7","3","1") = "6"
    & skf21("1","1","3","7","4","7","4","1") = "6"
    & skf21("1","1","3","7","4","7","5","1") = "6"
    & skf21("1","1","3","7","4","7","6","1") = "6"
    & skf21("1","1","3","7","4","7","7","1") = "6"
    & skf21("1","1","3","7","5","1","1","1") = "6"
    & skf21("1","1","3","7","5","1","2","1") = "6"
    & skf21("1","1","3","7","5","1","3","1") = "6"
    & skf21("1","1","3","7","5","1","4","1") = "6"
    & skf21("1","1","3","7","5","1","5","1") = "6"
    & skf21("1","1","3","7","5","1","6","1") = "6"
    & skf21("1","1","3","7","5","1","7","1") = "6"
    & skf21("1","1","3","7","5","2","1","1") = "6"
    & skf21("1","1","3","7","5","2","2","1") = "6"
    & skf21("1","1","3","7","5","2","3","1") = "6"
    & skf21("1","1","3","7","5","2","4","1") = "6"
    & skf21("1","1","3","7","5","2","5","1") = "6"
    & skf21("1","1","3","7","5","2","6","1") = "6"
    & skf21("1","1","3","7","5","2","7","1") = "6"
    & skf21("1","1","3","7","5","3","1","1") = "6"
    & skf21("1","1","3","7","5","3","2","1") = "6"
    & skf21("1","1","3","7","5","3","3","1") = "6"
    & skf21("1","1","3","7","5","3","4","1") = "6"
    & skf21("1","1","3","7","5","3","5","1") = "6"
    & skf21("1","1","3","7","5","3","6","1") = "6"
    & skf21("1","1","3","7","5","3","7","1") = "6"
    & skf21("1","1","3","7","5","4","1","1") = "6"
    & skf21("1","1","3","7","5","4","2","1") = "6"
    & skf21("1","1","3","7","5","4","3","1") = "6"
    & skf21("1","1","3","7","5","4","4","1") = "6"
    & skf21("1","1","3","7","5","4","5","1") = "6"
    & skf21("1","1","3","7","5","4","6","1") = "6"
    & skf21("1","1","3","7","5","4","7","1") = "6"
    & skf21("1","1","3","7","5","5","1","1") = "6"
    & skf21("1","1","3","7","5","5","2","1") = "6"
    & skf21("1","1","3","7","5","5","3","1") = "6"
    & skf21("1","1","3","7","5","5","4","1") = "6"
    & skf21("1","1","3","7","5","5","5","1") = "6"
    & skf21("1","1","3","7","5","5","6","1") = "6"
    & skf21("1","1","3","7","5","5","7","1") = "6"
    & skf21("1","1","3","7","5","6","1","1") = "6"
    & skf21("1","1","3","7","5","6","2","1") = "6"
    & skf21("1","1","3","7","5","6","3","1") = "6"
    & skf21("1","1","3","7","5","6","4","1") = "6"
    & skf21("1","1","3","7","5","6","5","1") = "6"
    & skf21("1","1","3","7","5","6","6","1") = "6"
    & skf21("1","1","3","7","5","6","7","1") = "6"
    & skf21("1","1","3","7","5","7","1","1") = "6"
    & skf21("1","1","3","7","5","7","2","1") = "6"
    & skf21("1","1","3","7","5","7","3","1") = "6"
    & skf21("1","1","3","7","5","7","4","1") = "6"
    & skf21("1","1","3","7","5","7","5","1") = "6"
    & skf21("1","1","3","7","5","7","6","1") = "6"
    & skf21("1","1","3","7","5","7","7","1") = "6"
    & skf21("1","1","3","7","6","1","1","1") = "6"
    & skf21("1","1","3","7","6","1","2","1") = "6"
    & skf21("1","1","3","7","6","1","3","1") = "6"
    & skf21("1","1","3","7","6","1","4","1") = "6"
    & skf21("1","1","3","7","6","1","5","1") = "6"
    & skf21("1","1","3","7","6","1","6","1") = "6"
    & skf21("1","1","3","7","6","1","7","1") = "6"
    & skf21("1","1","3","7","6","2","1","1") = "6"
    & skf21("1","1","3","7","6","2","2","1") = "6"
    & skf21("1","1","3","7","6","2","3","1") = "6"
    & skf21("1","1","3","7","6","2","4","1") = "6"
    & skf21("1","1","3","7","6","2","5","1") = "6"
    & skf21("1","1","3","7","6","2","6","1") = "6"
    & skf21("1","1","3","7","6","2","7","1") = "6"
    & skf21("1","1","3","7","6","3","1","1") = "6"
    & skf21("1","1","3","7","6","3","2","1") = "6"
    & skf21("1","1","3","7","6","3","3","1") = "6"
    & skf21("1","1","3","7","6","3","4","1") = "6"
    & skf21("1","1","3","7","6","3","5","1") = "6"
    & skf21("1","1","3","7","6","3","6","1") = "6"
    & skf21("1","1","3","7","6","3","7","1") = "6"
    & skf21("1","1","3","7","6","4","1","1") = "6"
    & skf21("1","1","3","7","6","4","2","1") = "6"
    & skf21("1","1","3","7","6","4","3","1") = "6"
    & skf21("1","1","3","7","6","4","4","1") = "6"
    & skf21("1","1","3","7","6","4","5","1") = "6"
    & skf21("1","1","3","7","6","4","6","1") = "6"
    & skf21("1","1","3","7","6","4","7","1") = "6"
    & skf21("1","1","3","7","6","5","1","1") = "6"
    & skf21("1","1","3","7","6","5","2","1") = "6"
    & skf21("1","1","3","7","6","5","3","1") = "6"
    & skf21("1","1","3","7","6","5","4","1") = "6"
    & skf21("1","1","3","7","6","5","5","1") = "6"
    & skf21("1","1","3","7","6","5","6","1") = "6"
    & skf21("1","1","3","7","6","5","7","1") = "6"
    & skf21("1","1","3","7","6","6","1","1") = "6"
    & skf21("1","1","3","7","6","6","2","1") = "6"
    & skf21("1","1","3","7","6","6","3","1") = "6"
    & skf21("1","1","3","7","6","6","4","1") = "6"
    & skf21("1","1","3","7","6","6","5","1") = "6"
    & skf21("1","1","3","7","6","6","6","1") = "6"
    & skf21("1","1","3","7","6","6","7","1") = "6"
    & skf21("1","1","3","7","6","7","1","1") = "6"
    & skf21("1","1","3","7","6","7","2","1") = "6"
    & skf21("1","1","3","7","6","7","3","1") = "6"
    & skf21("1","1","3","7","6","7","4","1") = "6"
    & skf21("1","1","3","7","6","7","5","1") = "6"
    & skf21("1","1","3","7","6","7","6","1") = "6"
    & skf21("1","1","3","7","6","7","7","1") = "6"
    & skf21("1","1","3","7","7","1","1","1") = "6"
    & skf21("1","1","3","7","7","1","2","1") = "6"
    & skf21("1","1","3","7","7","1","3","1") = "6"
    & skf21("1","1","3","7","7","1","4","1") = "6"
    & skf21("1","1","3","7","7","1","5","1") = "6"
    & skf21("1","1","3","7","7","1","6","1") = "6"
    & skf21("1","1","3","7","7","1","7","1") = "6"
    & skf21("1","1","3","7","7","2","1","1") = "6"
    & skf21("1","1","3","7","7","2","2","1") = "6"
    & skf21("1","1","3","7","7","2","3","1") = "6"
    & skf21("1","1","3","7","7","2","4","1") = "6"
    & skf21("1","1","3","7","7","2","5","1") = "6"
    & skf21("1","1","3","7","7","2","6","1") = "6"
    & skf21("1","1","3","7","7","2","7","1") = "6"
    & skf21("1","1","3","7","7","3","1","1") = "6"
    & skf21("1","1","3","7","7","3","2","1") = "6"
    & skf21("1","1","3","7","7","3","3","1") = "6"
    & skf21("1","1","3","7","7","3","4","1") = "6"
    & skf21("1","1","3","7","7","3","5","1") = "6"
    & skf21("1","1","3","7","7","3","6","1") = "6"
    & skf21("1","1","3","7","7","3","7","1") = "6"
    & skf21("1","1","3","7","7","4","1","1") = "6"
    & skf21("1","1","3","7","7","4","2","1") = "6"
    & skf21("1","1","3","7","7","4","3","1") = "6"
    & skf21("1","1","3","7","7","4","4","1") = "6"
    & skf21("1","1","3","7","7","4","5","1") = "6"
    & skf21("1","1","3","7","7","4","6","1") = "6"
    & skf21("1","1","3","7","7","4","7","1") = "6"
    & skf21("1","1","3","7","7","5","1","1") = "6"
    & skf21("1","1","3","7","7","5","2","1") = "6"
    & skf21("1","1","3","7","7","5","3","1") = "6"
    & skf21("1","1","3","7","7","5","4","1") = "6"
    & skf21("1","1","3","7","7","5","5","1") = "6"
    & skf21("1","1","3","7","7","5","6","1") = "6"
    & skf21("1","1","3","7","7","5","7","1") = "6"
    & skf21("1","1","3","7","7","6","1","1") = "6"
    & skf21("1","1","3","7","7","6","2","1") = "6"
    & skf21("1","1","3","7","7","6","3","1") = "6"
    & skf21("1","1","3","7","7","6","4","1") = "6"
    & skf21("1","1","3","7","7","6","5","1") = "6"
    & skf21("1","1","3","7","7","6","6","1") = "6"
    & skf21("1","1","3","7","7","6","7","1") = "6"
    & skf21("1","1","3","7","7","7","1","1") = "6"
    & skf21("1","1","3","7","7","7","2","1") = "6"
    & skf21("1","1","3","7","7","7","3","1") = "6"
    & skf21("1","1","3","7","7","7","4","1") = "6"
    & skf21("1","1","3","7","7","7","5","1") = "6"
    & skf21("1","1","3","7","7","7","6","1") = "6"
    & skf21("1","1","3","7","7","7","7","1") = "6"
    & skf21("1","1","4","1","1","1","1","1") = "3"
    & skf21("1","1","4","1","1","1","2","1") = "3"
    & skf21("1","1","4","1","1","1","3","1") = "3"
    & skf21("1","1","4","1","1","1","4","1") = "3"
    & skf21("1","1","4","1","1","1","5","1") = "4"
    & skf21("1","1","4","1","1","1","6","1") = "5"
    & skf21("1","1","4","1","1","1","7","1") = "6"
    & skf21("1","1","4","1","1","2","1","1") = "3"
    & skf21("1","1","4","1","1","2","2","1") = "3"
    & skf21("1","1","4","1","1","2","3","1") = "3"
    & skf21("1","1","4","1","1","2","4","1") = "3"
    & skf21("1","1","4","1","1","2","5","1") = "4"
    & skf21("1","1","4","1","1","2","6","1") = "5"
    & skf21("1","1","4","1","1","2","7","1") = "6"
    & skf21("1","1","4","1","1","3","1","1") = "3"
    & skf21("1","1","4","1","1","3","2","1") = "3"
    & skf21("1","1","4","1","1","3","3","1") = "3"
    & skf21("1","1","4","1","1","3","4","1") = "3"
    & skf21("1","1","4","1","1","3","5","1") = "4"
    & skf21("1","1","4","1","1","3","6","1") = "5"
    & skf21("1","1","4","1","1","3","7","1") = "6"
    & skf21("1","1","4","1","1","4","1","1") = "3"
    & skf21("1","1","4","1","1","4","2","1") = "3"
    & skf21("1","1","4","1","1","4","3","1") = "3"
    & skf21("1","1","4","1","1","4","4","1") = "3"
    & skf21("1","1","4","1","1","4","5","1") = "4"
    & skf21("1","1","4","1","1","4","6","1") = "5"
    & skf21("1","1","4","1","1","4","7","1") = "6"
    & skf21("1","1","4","1","1","5","1","1") = "4"
    & skf21("1","1","4","1","1","5","2","1") = "4"
    & skf21("1","1","4","1","1","5","3","1") = "4"
    & skf21("1","1","4","1","1","5","4","1") = "4"
    & skf21("1","1","4","1","1","5","5","1") = "4"
    & skf21("1","1","4","1","1","5","6","1") = "5"
    & skf21("1","1","4","1","1","5","7","1") = "6"
    & skf21("1","1","4","1","1","6","1","1") = "5"
    & skf21("1","1","4","1","1","6","2","1") = "5"
    & skf21("1","1","4","1","1","6","3","1") = "5"
    & skf21("1","1","4","1","1","6","4","1") = "5"
    & skf21("1","1","4","1","1","6","5","1") = "5"
    & skf21("1","1","4","1","1","6","6","1") = "5"
    & skf21("1","1","4","1","1","6","7","1") = "6"
    & skf21("1","1","4","1","1","7","1","1") = "6"
    & skf21("1","1","4","1","1","7","2","1") = "6"
    & skf21("1","1","4","1","1","7","3","1") = "6"
    & skf21("1","1","4","1","1","7","4","1") = "6"
    & skf21("1","1","4","1","1","7","5","1") = "6"
    & skf21("1","1","4","1","1","7","6","1") = "6"
    & skf21("1","1","4","1","1","7","7","1") = "6"
    & skf21("1","1","4","1","2","1","1","1") = "3"
    & skf21("1","1","4","1","2","1","2","1") = "3"
    & skf21("1","1","4","1","2","1","3","1") = "3"
    & skf21("1","1","4","1","2","1","4","1") = "3"
    & skf21("1","1","4","1","2","1","5","1") = "4"
    & skf21("1","1","4","1","2","1","6","1") = "5"
    & skf21("1","1","4","1","2","1","7","1") = "6"
    & skf21("1","1","4","1","2","2","1","1") = "3"
    & skf21("1","1","4","1","2","2","2","1") = "3"
    & skf21("1","1","4","1","2","2","3","1") = "3"
    & skf21("1","1","4","1","2","2","4","1") = "3"
    & skf21("1","1","4","1","2","2","5","1") = "4"
    & skf21("1","1","4","1","2","2","6","1") = "5"
    & skf21("1","1","4","1","2","2","7","1") = "6"
    & skf21("1","1","4","1","2","3","1","1") = "3"
    & skf21("1","1","4","1","2","3","2","1") = "3"
    & skf21("1","1","4","1","2","3","3","1") = "3"
    & skf21("1","1","4","1","2","3","4","1") = "3"
    & skf21("1","1","4","1","2","3","5","1") = "4"
    & skf21("1","1","4","1","2","3","6","1") = "5"
    & skf21("1","1","4","1","2","3","7","1") = "6"
    & skf21("1","1","4","1","2","4","1","1") = "3"
    & skf21("1","1","4","1","2","4","2","1") = "3"
    & skf21("1","1","4","1","2","4","3","1") = "3"
    & skf21("1","1","4","1","2","4","4","1") = "3"
    & skf21("1","1","4","1","2","4","5","1") = "4"
    & skf21("1","1","4","1","2","4","6","1") = "5"
    & skf21("1","1","4","1","2","4","7","1") = "6"
    & skf21("1","1","4","1","2","5","1","1") = "4"
    & skf21("1","1","4","1","2","5","2","1") = "4"
    & skf21("1","1","4","1","2","5","3","1") = "4"
    & skf21("1","1","4","1","2","5","4","1") = "4"
    & skf21("1","1","4","1","2","5","5","1") = "4"
    & skf21("1","1","4","1","2","5","6","1") = "5"
    & skf21("1","1","4","1","2","5","7","1") = "6"
    & skf21("1","1","4","1","2","6","1","1") = "5"
    & skf21("1","1","4","1","2","6","2","1") = "5"
    & skf21("1","1","4","1","2","6","3","1") = "5"
    & skf21("1","1","4","1","2","6","4","1") = "5"
    & skf21("1","1","4","1","2","6","5","1") = "5"
    & skf21("1","1","4","1","2","6","6","1") = "5"
    & skf21("1","1","4","1","2","6","7","1") = "6"
    & skf21("1","1","4","1","2","7","1","1") = "6"
    & skf21("1","1","4","1","2","7","2","1") = "6"
    & skf21("1","1","4","1","2","7","3","1") = "6"
    & skf21("1","1","4","1","2","7","4","1") = "6"
    & skf21("1","1","4","1","2","7","5","1") = "6"
    & skf21("1","1","4","1","2","7","6","1") = "6"
    & skf21("1","1","4","1","2","7","7","1") = "6"
    & skf21("1","1","4","1","3","1","1","1") = "3"
    & skf21("1","1","4","1","3","1","2","1") = "3"
    & skf21("1","1","4","1","3","1","3","1") = "3"
    & skf21("1","1","4","1","3","1","4","1") = "3"
    & skf21("1","1","4","1","3","1","5","1") = "4"
    & skf21("1","1","4","1","3","1","6","1") = "5"
    & skf21("1","1","4","1","3","1","7","1") = "6"
    & skf21("1","1","4","1","3","2","1","1") = "3"
    & skf21("1","1","4","1","3","2","2","1") = "3"
    & skf21("1","1","4","1","3","2","3","1") = "3"
    & skf21("1","1","4","1","3","2","4","1") = "3"
    & skf21("1","1","4","1","3","2","5","1") = "4"
    & skf21("1","1","4","1","3","2","6","1") = "5"
    & skf21("1","1","4","1","3","2","7","1") = "6"
    & skf21("1","1","4","1","3","3","1","1") = "3"
    & skf21("1","1","4","1","3","3","2","1") = "3"
    & skf21("1","1","4","1","3","3","3","1") = "3"
    & skf21("1","1","4","1","3","3","4","1") = "3"
    & skf21("1","1","4","1","3","3","5","1") = "4"
    & skf21("1","1","4","1","3","3","6","1") = "5"
    & skf21("1","1","4","1","3","3","7","1") = "6"
    & skf21("1","1","4","1","3","4","1","1") = "3"
    & skf21("1","1","4","1","3","4","2","1") = "3"
    & skf21("1","1","4","1","3","4","3","1") = "3"
    & skf21("1","1","4","1","3","4","4","1") = "3"
    & skf21("1","1","4","1","3","4","5","1") = "4"
    & skf21("1","1","4","1","3","4","6","1") = "5"
    & skf21("1","1","4","1","3","4","7","1") = "6"
    & skf21("1","1","4","1","3","5","1","1") = "4"
    & skf21("1","1","4","1","3","5","2","1") = "4"
    & skf21("1","1","4","1","3","5","3","1") = "4"
    & skf21("1","1","4","1","3","5","4","1") = "4"
    & skf21("1","1","4","1","3","5","5","1") = "4"
    & skf21("1","1","4","1","3","5","6","1") = "5"
    & skf21("1","1","4","1","3","5","7","1") = "6"
    & skf21("1","1","4","1","3","6","1","1") = "5"
    & skf21("1","1","4","1","3","6","2","1") = "5"
    & skf21("1","1","4","1","3","6","3","1") = "5"
    & skf21("1","1","4","1","3","6","4","1") = "5"
    & skf21("1","1","4","1","3","6","5","1") = "5"
    & skf21("1","1","4","1","3","6","6","1") = "5"
    & skf21("1","1","4","1","3","6","7","1") = "6"
    & skf21("1","1","4","1","3","7","1","1") = "6"
    & skf21("1","1","4","1","3","7","2","1") = "6"
    & skf21("1","1","4","1","3","7","3","1") = "6"
    & skf21("1","1","4","1","3","7","4","1") = "6"
    & skf21("1","1","4","1","3","7","5","1") = "6"
    & skf21("1","1","4","1","3","7","6","1") = "6"
    & skf21("1","1","4","1","3","7","7","1") = "6"
    & skf21("1","1","4","1","4","1","1","1") = "3"
    & skf21("1","1","4","1","4","1","2","1") = "3"
    & skf21("1","1","4","1","4","1","3","1") = "3"
    & skf21("1","1","4","1","4","1","4","1") = "3"
    & skf21("1","1","4","1","4","1","5","1") = "4"
    & skf21("1","1","4","1","4","1","6","1") = "5"
    & skf21("1","1","4","1","4","1","7","1") = "6"
    & skf21("1","1","4","1","4","2","1","1") = "3"
    & skf21("1","1","4","1","4","2","2","1") = "3"
    & skf21("1","1","4","1","4","2","3","1") = "3"
    & skf21("1","1","4","1","4","2","4","1") = "3"
    & skf21("1","1","4","1","4","2","5","1") = "4"
    & skf21("1","1","4","1","4","2","6","1") = "5"
    & skf21("1","1","4","1","4","2","7","1") = "6"
    & skf21("1","1","4","1","4","3","1","1") = "3"
    & skf21("1","1","4","1","4","3","2","1") = "3"
    & skf21("1","1","4","1","4","3","3","1") = "3"
    & skf21("1","1","4","1","4","3","4","1") = "3"
    & skf21("1","1","4","1","4","3","5","1") = "4"
    & skf21("1","1","4","1","4","3","6","1") = "5"
    & skf21("1","1","4","1","4","3","7","1") = "6"
    & skf21("1","1","4","1","4","4","1","1") = "3"
    & skf21("1","1","4","1","4","4","2","1") = "3"
    & skf21("1","1","4","1","4","4","3","1") = "3"
    & skf21("1","1","4","1","4","4","4","1") = "3"
    & skf21("1","1","4","1","4","4","5","1") = "4"
    & skf21("1","1","4","1","4","4","6","1") = "5"
    & skf21("1","1","4","1","4","4","7","1") = "6"
    & skf21("1","1","4","1","4","5","1","1") = "4"
    & skf21("1","1","4","1","4","5","2","1") = "4"
    & skf21("1","1","4","1","4","5","3","1") = "4"
    & skf21("1","1","4","1","4","5","4","1") = "4"
    & skf21("1","1","4","1","4","5","5","1") = "4"
    & skf21("1","1","4","1","4","5","6","1") = "5"
    & skf21("1","1","4","1","4","5","7","1") = "6"
    & skf21("1","1","4","1","4","6","1","1") = "5"
    & skf21("1","1","4","1","4","6","2","1") = "5"
    & skf21("1","1","4","1","4","6","3","1") = "5"
    & skf21("1","1","4","1","4","6","4","1") = "5"
    & skf21("1","1","4","1","4","6","5","1") = "5"
    & skf21("1","1","4","1","4","6","6","1") = "5"
    & skf21("1","1","4","1","4","6","7","1") = "6"
    & skf21("1","1","4","1","4","7","1","1") = "6"
    & skf21("1","1","4","1","4","7","2","1") = "6"
    & skf21("1","1","4","1","4","7","3","1") = "6"
    & skf21("1","1","4","1","4","7","4","1") = "6"
    & skf21("1","1","4","1","4","7","5","1") = "6"
    & skf21("1","1","4","1","4","7","6","1") = "6"
    & skf21("1","1","4","1","4","7","7","1") = "6"
    & skf21("1","1","4","1","5","1","1","1") = "4"
    & skf21("1","1","4","1","5","1","2","1") = "4"
    & skf21("1","1","4","1","5","1","3","1") = "4"
    & skf21("1","1","4","1","5","1","4","1") = "4"
    & skf21("1","1","4","1","5","1","5","1") = "4"
    & skf21("1","1","4","1","5","1","6","1") = "5"
    & skf21("1","1","4","1","5","1","7","1") = "6"
    & skf21("1","1","4","1","5","2","1","1") = "4"
    & skf21("1","1","4","1","5","2","2","1") = "4"
    & skf21("1","1","4","1","5","2","3","1") = "4"
    & skf21("1","1","4","1","5","2","4","1") = "4"
    & skf21("1","1","4","1","5","2","5","1") = "4"
    & skf21("1","1","4","1","5","2","6","1") = "5"
    & skf21("1","1","4","1","5","2","7","1") = "6"
    & skf21("1","1","4","1","5","3","1","1") = "4"
    & skf21("1","1","4","1","5","3","2","1") = "4"
    & skf21("1","1","4","1","5","3","3","1") = "4"
    & skf21("1","1","4","1","5","3","4","1") = "4"
    & skf21("1","1","4","1","5","3","5","1") = "4"
    & skf21("1","1","4","1","5","3","6","1") = "5"
    & skf21("1","1","4","1","5","3","7","1") = "6"
    & skf21("1","1","4","1","5","4","1","1") = "4"
    & skf21("1","1","4","1","5","4","2","1") = "4"
    & skf21("1","1","4","1","5","4","3","1") = "4"
    & skf21("1","1","4","1","5","4","4","1") = "4"
    & skf21("1","1","4","1","5","4","5","1") = "4"
    & skf21("1","1","4","1","5","4","6","1") = "5"
    & skf21("1","1","4","1","5","4","7","1") = "6"
    & skf21("1","1","4","1","5","5","1","1") = "4"
    & skf21("1","1","4","1","5","5","2","1") = "4"
    & skf21("1","1","4","1","5","5","3","1") = "4"
    & skf21("1","1","4","1","5","5","4","1") = "4"
    & skf21("1","1","4","1","5","5","5","1") = "4"
    & skf21("1","1","4","1","5","5","6","1") = "5"
    & skf21("1","1","4","1","5","5","7","1") = "6"
    & skf21("1","1","4","1","5","6","1","1") = "5"
    & skf21("1","1","4","1","5","6","2","1") = "5"
    & skf21("1","1","4","1","5","6","3","1") = "5"
    & skf21("1","1","4","1","5","6","4","1") = "5"
    & skf21("1","1","4","1","5","6","5","1") = "5"
    & skf21("1","1","4","1","5","6","6","1") = "5"
    & skf21("1","1","4","1","5","6","7","1") = "6"
    & skf21("1","1","4","1","5","7","1","1") = "6"
    & skf21("1","1","4","1","5","7","2","1") = "6"
    & skf21("1","1","4","1","5","7","3","1") = "6"
    & skf21("1","1","4","1","5","7","4","1") = "6"
    & skf21("1","1","4","1","5","7","5","1") = "6"
    & skf21("1","1","4","1","5","7","6","1") = "6"
    & skf21("1","1","4","1","5","7","7","1") = "6"
    & skf21("1","1","4","1","6","1","1","1") = "5"
    & skf21("1","1","4","1","6","1","2","1") = "5"
    & skf21("1","1","4","1","6","1","3","1") = "5"
    & skf21("1","1","4","1","6","1","4","1") = "5"
    & skf21("1","1","4","1","6","1","5","1") = "5"
    & skf21("1","1","4","1","6","1","6","1") = "5"
    & skf21("1","1","4","1","6","1","7","1") = "6"
    & skf21("1","1","4","1","6","2","1","1") = "5"
    & skf21("1","1","4","1","6","2","2","1") = "5"
    & skf21("1","1","4","1","6","2","3","1") = "5"
    & skf21("1","1","4","1","6","2","4","1") = "5"
    & skf21("1","1","4","1","6","2","5","1") = "5"
    & skf21("1","1","4","1","6","2","6","1") = "5"
    & skf21("1","1","4","1","6","2","7","1") = "6"
    & skf21("1","1","4","1","6","3","1","1") = "5"
    & skf21("1","1","4","1","6","3","2","1") = "5"
    & skf21("1","1","4","1","6","3","3","1") = "5"
    & skf21("1","1","4","1","6","3","4","1") = "5"
    & skf21("1","1","4","1","6","3","5","1") = "5"
    & skf21("1","1","4","1","6","3","6","1") = "5"
    & skf21("1","1","4","1","6","3","7","1") = "6"
    & skf21("1","1","4","1","6","4","1","1") = "5"
    & skf21("1","1","4","1","6","4","2","1") = "5"
    & skf21("1","1","4","1","6","4","3","1") = "5"
    & skf21("1","1","4","1","6","4","4","1") = "5"
    & skf21("1","1","4","1","6","4","5","1") = "5"
    & skf21("1","1","4","1","6","4","6","1") = "5"
    & skf21("1","1","4","1","6","4","7","1") = "6"
    & skf21("1","1","4","1","6","5","1","1") = "5"
    & skf21("1","1","4","1","6","5","2","1") = "5"
    & skf21("1","1","4","1","6","5","3","1") = "5"
    & skf21("1","1","4","1","6","5","4","1") = "5"
    & skf21("1","1","4","1","6","5","5","1") = "5"
    & skf21("1","1","4","1","6","5","6","1") = "5"
    & skf21("1","1","4","1","6","5","7","1") = "6"
    & skf21("1","1","4","1","6","6","1","1") = "5"
    & skf21("1","1","4","1","6","6","2","1") = "5"
    & skf21("1","1","4","1","6","6","3","1") = "5"
    & skf21("1","1","4","1","6","6","4","1") = "5"
    & skf21("1","1","4","1","6","6","5","1") = "5"
    & skf21("1","1","4","1","6","6","6","1") = "5"
    & skf21("1","1","4","1","6","6","7","1") = "6"
    & skf21("1","1","4","1","6","7","1","1") = "6"
    & skf21("1","1","4","1","6","7","2","1") = "6"
    & skf21("1","1","4","1","6","7","3","1") = "6"
    & skf21("1","1","4","1","6","7","4","1") = "6"
    & skf21("1","1","4","1","6","7","5","1") = "6"
    & skf21("1","1","4","1","6","7","6","1") = "6"
    & skf21("1","1","4","1","6","7","7","1") = "6"
    & skf21("1","1","4","1","7","1","1","1") = "6"
    & skf21("1","1","4","1","7","1","2","1") = "6"
    & skf21("1","1","4","1","7","1","3","1") = "6"
    & skf21("1","1","4","1","7","1","4","1") = "6"
    & skf21("1","1","4","1","7","1","5","1") = "6"
    & skf21("1","1","4","1","7","1","6","1") = "6"
    & skf21("1","1","4","1","7","1","7","1") = "6"
    & skf21("1","1","4","1","7","2","1","1") = "6"
    & skf21("1","1","4","1","7","2","2","1") = "6"
    & skf21("1","1","4","1","7","2","3","1") = "6"
    & skf21("1","1","4","1","7","2","4","1") = "6"
    & skf21("1","1","4","1","7","2","5","1") = "6"
    & skf21("1","1","4","1","7","2","6","1") = "6"
    & skf21("1","1","4","1","7","2","7","1") = "6"
    & skf21("1","1","4","1","7","3","1","1") = "6"
    & skf21("1","1","4","1","7","3","2","1") = "6"
    & skf21("1","1","4","1","7","3","3","1") = "6"
    & skf21("1","1","4","1","7","3","4","1") = "6"
    & skf21("1","1","4","1","7","3","5","1") = "6"
    & skf21("1","1","4","1","7","3","6","1") = "6"
    & skf21("1","1","4","1","7","3","7","1") = "6"
    & skf21("1","1","4","1","7","4","1","1") = "6"
    & skf21("1","1","4","1","7","4","2","1") = "6"
    & skf21("1","1","4","1","7","4","3","1") = "6"
    & skf21("1","1","4","1","7","4","4","1") = "6"
    & skf21("1","1","4","1","7","4","5","1") = "6"
    & skf21("1","1","4","1","7","4","6","1") = "6"
    & skf21("1","1","4","1","7","4","7","1") = "6"
    & skf21("1","1","4","1","7","5","1","1") = "6"
    & skf21("1","1","4","1","7","5","2","1") = "6"
    & skf21("1","1","4","1","7","5","3","1") = "6"
    & skf21("1","1","4","1","7","5","4","1") = "6"
    & skf21("1","1","4","1","7","5","5","1") = "6"
    & skf21("1","1","4","1","7","5","6","1") = "6"
    & skf21("1","1","4","1","7","5","7","1") = "6"
    & skf21("1","1","4","1","7","6","1","1") = "6"
    & skf21("1","1","4","1","7","6","2","1") = "6"
    & skf21("1","1","4","1","7","6","3","1") = "6"
    & skf21("1","1","4","1","7","6","4","1") = "6"
    & skf21("1","1","4","1","7","6","5","1") = "6"
    & skf21("1","1","4","1","7","6","6","1") = "6"
    & skf21("1","1","4","1","7","6","7","1") = "6"
    & skf21("1","1","4","1","7","7","1","1") = "6"
    & skf21("1","1","4","1","7","7","2","1") = "6"
    & skf21("1","1","4","1","7","7","3","1") = "6"
    & skf21("1","1","4","1","7","7","4","1") = "6"
    & skf21("1","1","4","1","7","7","5","1") = "6"
    & skf21("1","1","4","1","7","7","6","1") = "6"
    & skf21("1","1","4","1","7","7","7","1") = "6"
    & skf21("1","1","4","2","1","1","1","1") = "3"
    & skf21("1","1","4","2","1","1","2","1") = "3"
    & skf21("1","1","4","2","1","1","3","1") = "3"
    & skf21("1","1","4","2","1","1","4","1") = "3"
    & skf21("1","1","4","2","1","1","5","1") = "4"
    & skf21("1","1","4","2","1","1","6","1") = "5"
    & skf21("1","1","4","2","1","1","7","1") = "6"
    & skf21("1","1","4","2","1","2","1","1") = "3"
    & skf21("1","1","4","2","1","2","2","1") = "3"
    & skf21("1","1","4","2","1","2","3","1") = "3"
    & skf21("1","1","4","2","1","2","4","1") = "3"
    & skf21("1","1","4","2","1","2","5","1") = "4"
    & skf21("1","1","4","2","1","2","6","1") = "5"
    & skf21("1","1","4","2","1","2","7","1") = "6"
    & skf21("1","1","4","2","1","3","1","1") = "3"
    & skf21("1","1","4","2","1","3","2","1") = "3"
    & skf21("1","1","4","2","1","3","3","1") = "3"
    & skf21("1","1","4","2","1","3","4","1") = "3"
    & skf21("1","1","4","2","1","3","5","1") = "4"
    & skf21("1","1","4","2","1","3","6","1") = "5"
    & skf21("1","1","4","2","1","3","7","1") = "6"
    & skf21("1","1","4","2","1","4","1","1") = "3"
    & skf21("1","1","4","2","1","4","2","1") = "3"
    & skf21("1","1","4","2","1","4","3","1") = "3"
    & skf21("1","1","4","2","1","4","4","1") = "3"
    & skf21("1","1","4","2","1","4","5","1") = "4"
    & skf21("1","1","4","2","1","4","6","1") = "5"
    & skf21("1","1","4","2","1","4","7","1") = "6"
    & skf21("1","1","4","2","1","5","1","1") = "4"
    & skf21("1","1","4","2","1","5","2","1") = "4"
    & skf21("1","1","4","2","1","5","3","1") = "4"
    & skf21("1","1","4","2","1","5","4","1") = "4"
    & skf21("1","1","4","2","1","5","5","1") = "4"
    & skf21("1","1","4","2","1","5","6","1") = "5"
    & skf21("1","1","4","2","1","5","7","1") = "6"
    & skf21("1","1","4","2","1","6","1","1") = "5"
    & skf21("1","1","4","2","1","6","2","1") = "5"
    & skf21("1","1","4","2","1","6","3","1") = "5"
    & skf21("1","1","4","2","1","6","4","1") = "5"
    & skf21("1","1","4","2","1","6","5","1") = "5"
    & skf21("1","1","4","2","1","6","6","1") = "5"
    & skf21("1","1","4","2","1","6","7","1") = "6"
    & skf21("1","1","4","2","1","7","1","1") = "6"
    & skf21("1","1","4","2","1","7","2","1") = "6"
    & skf21("1","1","4","2","1","7","3","1") = "6"
    & skf21("1","1","4","2","1","7","4","1") = "6"
    & skf21("1","1","4","2","1","7","5","1") = "6"
    & skf21("1","1","4","2","1","7","6","1") = "6"
    & skf21("1","1","4","2","1","7","7","1") = "6"
    & skf21("1","1","4","2","2","1","1","1") = "3"
    & skf21("1","1","4","2","2","1","2","1") = "3"
    & skf21("1","1","4","2","2","1","3","1") = "3"
    & skf21("1","1","4","2","2","1","4","1") = "3"
    & skf21("1","1","4","2","2","1","5","1") = "4"
    & skf21("1","1","4","2","2","1","6","1") = "5"
    & skf21("1","1","4","2","2","1","7","1") = "6"
    & skf21("1","1","4","2","2","2","1","1") = "3"
    & skf21("1","1","4","2","2","2","2","1") = "3"
    & skf21("1","1","4","2","2","2","3","1") = "3"
    & skf21("1","1","4","2","2","2","4","1") = "3"
    & skf21("1","1","4","2","2","2","5","1") = "4"
    & skf21("1","1","4","2","2","2","6","1") = "5"
    & skf21("1","1","4","2","2","2","7","1") = "6"
    & skf21("1","1","4","2","2","3","1","1") = "3"
    & skf21("1","1","4","2","2","3","2","1") = "3"
    & skf21("1","1","4","2","2","3","3","1") = "3"
    & skf21("1","1","4","2","2","3","4","1") = "3"
    & skf21("1","1","4","2","2","3","5","1") = "4"
    & skf21("1","1","4","2","2","3","6","1") = "5"
    & skf21("1","1","4","2","2","3","7","1") = "6"
    & skf21("1","1","4","2","2","4","1","1") = "3"
    & skf21("1","1","4","2","2","4","2","1") = "3"
    & skf21("1","1","4","2","2","4","3","1") = "3"
    & skf21("1","1","4","2","2","4","4","1") = "3"
    & skf21("1","1","4","2","2","4","5","1") = "4"
    & skf21("1","1","4","2","2","4","6","1") = "5"
    & skf21("1","1","4","2","2","4","7","1") = "6"
    & skf21("1","1","4","2","2","5","1","1") = "4"
    & skf21("1","1","4","2","2","5","2","1") = "4"
    & skf21("1","1","4","2","2","5","3","1") = "4"
    & skf21("1","1","4","2","2","5","4","1") = "4"
    & skf21("1","1","4","2","2","5","5","1") = "4"
    & skf21("1","1","4","2","2","5","6","1") = "5"
    & skf21("1","1","4","2","2","5","7","1") = "6"
    & skf21("1","1","4","2","2","6","1","1") = "5"
    & skf21("1","1","4","2","2","6","2","1") = "5"
    & skf21("1","1","4","2","2","6","3","1") = "5"
    & skf21("1","1","4","2","2","6","4","1") = "5"
    & skf21("1","1","4","2","2","6","5","1") = "5"
    & skf21("1","1","4","2","2","6","6","1") = "5"
    & skf21("1","1","4","2","2","6","7","1") = "6"
    & skf21("1","1","4","2","2","7","1","1") = "6"
    & skf21("1","1","4","2","2","7","2","1") = "6"
    & skf21("1","1","4","2","2","7","3","1") = "6"
    & skf21("1","1","4","2","2","7","4","1") = "6"
    & skf21("1","1","4","2","2","7","5","1") = "6"
    & skf21("1","1","4","2","2","7","6","1") = "6"
    & skf21("1","1","4","2","2","7","7","1") = "6"
    & skf21("1","1","4","2","3","1","1","1") = "3"
    & skf21("1","1","4","2","3","1","2","1") = "3"
    & skf21("1","1","4","2","3","1","3","1") = "3"
    & skf21("1","1","4","2","3","1","4","1") = "3"
    & skf21("1","1","4","2","3","1","5","1") = "4"
    & skf21("1","1","4","2","3","1","6","1") = "5"
    & skf21("1","1","4","2","3","1","7","1") = "6"
    & skf21("1","1","4","2","3","2","1","1") = "3"
    & skf21("1","1","4","2","3","2","2","1") = "3"
    & skf21("1","1","4","2","3","2","3","1") = "3"
    & skf21("1","1","4","2","3","2","4","1") = "3"
    & skf21("1","1","4","2","3","2","5","1") = "4"
    & skf21("1","1","4","2","3","2","6","1") = "5"
    & skf21("1","1","4","2","3","2","7","1") = "6"
    & skf21("1","1","4","2","3","3","1","1") = "3"
    & skf21("1","1","4","2","3","3","2","1") = "3"
    & skf21("1","1","4","2","3","3","3","1") = "3"
    & skf21("1","1","4","2","3","3","4","1") = "3"
    & skf21("1","1","4","2","3","3","5","1") = "4"
    & skf21("1","1","4","2","3","3","6","1") = "5"
    & skf21("1","1","4","2","3","3","7","1") = "6"
    & skf21("1","1","4","2","3","4","1","1") = "3"
    & skf21("1","1","4","2","3","4","2","1") = "3"
    & skf21("1","1","4","2","3","4","3","1") = "3"
    & skf21("1","1","4","2","3","4","4","1") = "3"
    & skf21("1","1","4","2","3","4","5","1") = "4"
    & skf21("1","1","4","2","3","4","6","1") = "5"
    & skf21("1","1","4","2","3","4","7","1") = "6"
    & skf21("1","1","4","2","3","5","1","1") = "4"
    & skf21("1","1","4","2","3","5","2","1") = "4"
    & skf21("1","1","4","2","3","5","3","1") = "4"
    & skf21("1","1","4","2","3","5","4","1") = "4"
    & skf21("1","1","4","2","3","5","5","1") = "4"
    & skf21("1","1","4","2","3","5","6","1") = "5"
    & skf21("1","1","4","2","3","5","7","1") = "6"
    & skf21("1","1","4","2","3","6","1","1") = "5"
    & skf21("1","1","4","2","3","6","2","1") = "5"
    & skf21("1","1","4","2","3","6","3","1") = "5"
    & skf21("1","1","4","2","3","6","4","1") = "5"
    & skf21("1","1","4","2","3","6","5","1") = "5"
    & skf21("1","1","4","2","3","6","6","1") = "5"
    & skf21("1","1","4","2","3","6","7","1") = "6"
    & skf21("1","1","4","2","3","7","1","1") = "6"
    & skf21("1","1","4","2","3","7","2","1") = "6"
    & skf21("1","1","4","2","3","7","3","1") = "6"
    & skf21("1","1","4","2","3","7","4","1") = "6"
    & skf21("1","1","4","2","3","7","5","1") = "6"
    & skf21("1","1","4","2","3","7","6","1") = "6"
    & skf21("1","1","4","2","3","7","7","1") = "6"
    & skf21("1","1","4","2","4","1","1","1") = "3"
    & skf21("1","1","4","2","4","1","2","1") = "3"
    & skf21("1","1","4","2","4","1","3","1") = "3"
    & skf21("1","1","4","2","4","1","4","1") = "3"
    & skf21("1","1","4","2","4","1","5","1") = "4"
    & skf21("1","1","4","2","4","1","6","1") = "5"
    & skf21("1","1","4","2","4","1","7","1") = "6"
    & skf21("1","1","4","2","4","2","1","1") = "3"
    & skf21("1","1","4","2","4","2","2","1") = "3"
    & skf21("1","1","4","2","4","2","3","1") = "3"
    & skf21("1","1","4","2","4","2","4","1") = "3"
    & skf21("1","1","4","2","4","2","5","1") = "4"
    & skf21("1","1","4","2","4","2","6","1") = "5"
    & skf21("1","1","4","2","4","2","7","1") = "6"
    & skf21("1","1","4","2","4","3","1","1") = "3"
    & skf21("1","1","4","2","4","3","2","1") = "3"
    & skf21("1","1","4","2","4","3","3","1") = "3"
    & skf21("1","1","4","2","4","3","4","1") = "3"
    & skf21("1","1","4","2","4","3","5","1") = "4"
    & skf21("1","1","4","2","4","3","6","1") = "5"
    & skf21("1","1","4","2","4","3","7","1") = "6"
    & skf21("1","1","4","2","4","4","1","1") = "3"
    & skf21("1","1","4","2","4","4","2","1") = "3"
    & skf21("1","1","4","2","4","4","3","1") = "3"
    & skf21("1","1","4","2","4","4","4","1") = "3"
    & skf21("1","1","4","2","4","4","5","1") = "4"
    & skf21("1","1","4","2","4","4","6","1") = "5"
    & skf21("1","1","4","2","4","4","7","1") = "6"
    & skf21("1","1","4","2","4","5","1","1") = "4"
    & skf21("1","1","4","2","4","5","2","1") = "4"
    & skf21("1","1","4","2","4","5","3","1") = "4"
    & skf21("1","1","4","2","4","5","4","1") = "4"
    & skf21("1","1","4","2","4","5","5","1") = "4"
    & skf21("1","1","4","2","4","5","6","1") = "5"
    & skf21("1","1","4","2","4","5","7","1") = "6"
    & skf21("1","1","4","2","4","6","1","1") = "5"
    & skf21("1","1","4","2","4","6","2","1") = "5"
    & skf21("1","1","4","2","4","6","3","1") = "5"
    & skf21("1","1","4","2","4","6","4","1") = "5"
    & skf21("1","1","4","2","4","6","5","1") = "5"
    & skf21("1","1","4","2","4","6","6","1") = "5"
    & skf21("1","1","4","2","4","6","7","1") = "6"
    & skf21("1","1","4","2","4","7","1","1") = "6"
    & skf21("1","1","4","2","4","7","2","1") = "6"
    & skf21("1","1","4","2","4","7","3","1") = "6"
    & skf21("1","1","4","2","4","7","4","1") = "6"
    & skf21("1","1","4","2","4","7","5","1") = "6"
    & skf21("1","1","4","2","4","7","6","1") = "6"
    & skf21("1","1","4","2","4","7","7","1") = "6"
    & skf21("1","1","4","2","5","1","1","1") = "4"
    & skf21("1","1","4","2","5","1","2","1") = "4"
    & skf21("1","1","4","2","5","1","3","1") = "4"
    & skf21("1","1","4","2","5","1","4","1") = "4"
    & skf21("1","1","4","2","5","1","5","1") = "4"
    & skf21("1","1","4","2","5","1","6","1") = "5"
    & skf21("1","1","4","2","5","1","7","1") = "6"
    & skf21("1","1","4","2","5","2","1","1") = "4"
    & skf21("1","1","4","2","5","2","2","1") = "4"
    & skf21("1","1","4","2","5","2","3","1") = "4"
    & skf21("1","1","4","2","5","2","4","1") = "4"
    & skf21("1","1","4","2","5","2","5","1") = "4"
    & skf21("1","1","4","2","5","2","6","1") = "5"
    & skf21("1","1","4","2","5","2","7","1") = "6"
    & skf21("1","1","4","2","5","3","1","1") = "4"
    & skf21("1","1","4","2","5","3","2","1") = "4"
    & skf21("1","1","4","2","5","3","3","1") = "4"
    & skf21("1","1","4","2","5","3","4","1") = "4"
    & skf21("1","1","4","2","5","3","5","1") = "4"
    & skf21("1","1","4","2","5","3","6","1") = "5"
    & skf21("1","1","4","2","5","3","7","1") = "6"
    & skf21("1","1","4","2","5","4","1","1") = "4"
    & skf21("1","1","4","2","5","4","2","1") = "4"
    & skf21("1","1","4","2","5","4","3","1") = "4"
    & skf21("1","1","4","2","5","4","4","1") = "4"
    & skf21("1","1","4","2","5","4","5","1") = "4"
    & skf21("1","1","4","2","5","4","6","1") = "5"
    & skf21("1","1","4","2","5","4","7","1") = "6"
    & skf21("1","1","4","2","5","5","1","1") = "4"
    & skf21("1","1","4","2","5","5","2","1") = "4"
    & skf21("1","1","4","2","5","5","3","1") = "4"
    & skf21("1","1","4","2","5","5","4","1") = "4"
    & skf21("1","1","4","2","5","5","5","1") = "4"
    & skf21("1","1","4","2","5","5","6","1") = "5"
    & skf21("1","1","4","2","5","5","7","1") = "6"
    & skf21("1","1","4","2","5","6","1","1") = "5"
    & skf21("1","1","4","2","5","6","2","1") = "5"
    & skf21("1","1","4","2","5","6","3","1") = "5"
    & skf21("1","1","4","2","5","6","4","1") = "5"
    & skf21("1","1","4","2","5","6","5","1") = "5"
    & skf21("1","1","4","2","5","6","6","1") = "5"
    & skf21("1","1","4","2","5","6","7","1") = "6"
    & skf21("1","1","4","2","5","7","1","1") = "6"
    & skf21("1","1","4","2","5","7","2","1") = "6"
    & skf21("1","1","4","2","5","7","3","1") = "6"
    & skf21("1","1","4","2","5","7","4","1") = "6"
    & skf21("1","1","4","2","5","7","5","1") = "6"
    & skf21("1","1","4","2","5","7","6","1") = "6"
    & skf21("1","1","4","2","5","7","7","1") = "6"
    & skf21("1","1","4","2","6","1","1","1") = "5"
    & skf21("1","1","4","2","6","1","2","1") = "5"
    & skf21("1","1","4","2","6","1","3","1") = "5"
    & skf21("1","1","4","2","6","1","4","1") = "5"
    & skf21("1","1","4","2","6","1","5","1") = "5"
    & skf21("1","1","4","2","6","1","6","1") = "5"
    & skf21("1","1","4","2","6","1","7","1") = "6"
    & skf21("1","1","4","2","6","2","1","1") = "5"
    & skf21("1","1","4","2","6","2","2","1") = "5"
    & skf21("1","1","4","2","6","2","3","1") = "5"
    & skf21("1","1","4","2","6","2","4","1") = "5"
    & skf21("1","1","4","2","6","2","5","1") = "5"
    & skf21("1","1","4","2","6","2","6","1") = "5"
    & skf21("1","1","4","2","6","2","7","1") = "6"
    & skf21("1","1","4","2","6","3","1","1") = "5"
    & skf21("1","1","4","2","6","3","2","1") = "5"
    & skf21("1","1","4","2","6","3","3","1") = "5"
    & skf21("1","1","4","2","6","3","4","1") = "5"
    & skf21("1","1","4","2","6","3","5","1") = "5"
    & skf21("1","1","4","2","6","3","6","1") = "5"
    & skf21("1","1","4","2","6","3","7","1") = "6"
    & skf21("1","1","4","2","6","4","1","1") = "5"
    & skf21("1","1","4","2","6","4","2","1") = "5"
    & skf21("1","1","4","2","6","4","3","1") = "5"
    & skf21("1","1","4","2","6","4","4","1") = "5"
    & skf21("1","1","4","2","6","4","5","1") = "5"
    & skf21("1","1","4","2","6","4","6","1") = "5"
    & skf21("1","1","4","2","6","4","7","1") = "6"
    & skf21("1","1","4","2","6","5","1","1") = "5"
    & skf21("1","1","4","2","6","5","2","1") = "5"
    & skf21("1","1","4","2","6","5","3","1") = "5"
    & skf21("1","1","4","2","6","5","4","1") = "5"
    & skf21("1","1","4","2","6","5","5","1") = "5"
    & skf21("1","1","4","2","6","5","6","1") = "5"
    & skf21("1","1","4","2","6","5","7","1") = "6"
    & skf21("1","1","4","2","6","6","1","1") = "5"
    & skf21("1","1","4","2","6","6","2","1") = "5"
    & skf21("1","1","4","2","6","6","3","1") = "5"
    & skf21("1","1","4","2","6","6","4","1") = "5"
    & skf21("1","1","4","2","6","6","5","1") = "5"
    & skf21("1","1","4","2","6","6","6","1") = "5"
    & skf21("1","1","4","2","6","6","7","1") = "6"
    & skf21("1","1","4","2","6","7","1","1") = "6"
    & skf21("1","1","4","2","6","7","2","1") = "6"
    & skf21("1","1","4","2","6","7","3","1") = "6"
    & skf21("1","1","4","2","6","7","4","1") = "6"
    & skf21("1","1","4","2","6","7","5","1") = "6"
    & skf21("1","1","4","2","6","7","6","1") = "6"
    & skf21("1","1","4","2","6","7","7","1") = "6"
    & skf21("1","1","4","2","7","1","1","1") = "6"
    & skf21("1","1","4","2","7","1","2","1") = "6"
    & skf21("1","1","4","2","7","1","3","1") = "6"
    & skf21("1","1","4","2","7","1","4","1") = "6"
    & skf21("1","1","4","2","7","1","5","1") = "6"
    & skf21("1","1","4","2","7","1","6","1") = "6"
    & skf21("1","1","4","2","7","1","7","1") = "6"
    & skf21("1","1","4","2","7","2","1","1") = "6"
    & skf21("1","1","4","2","7","2","2","1") = "6"
    & skf21("1","1","4","2","7","2","3","1") = "6"
    & skf21("1","1","4","2","7","2","4","1") = "6"
    & skf21("1","1","4","2","7","2","5","1") = "6"
    & skf21("1","1","4","2","7","2","6","1") = "6"
    & skf21("1","1","4","2","7","2","7","1") = "6"
    & skf21("1","1","4","2","7","3","1","1") = "6"
    & skf21("1","1","4","2","7","3","2","1") = "6"
    & skf21("1","1","4","2","7","3","3","1") = "6"
    & skf21("1","1","4","2","7","3","4","1") = "6"
    & skf21("1","1","4","2","7","3","5","1") = "6"
    & skf21("1","1","4","2","7","3","6","1") = "6"
    & skf21("1","1","4","2","7","3","7","1") = "6"
    & skf21("1","1","4","2","7","4","1","1") = "6"
    & skf21("1","1","4","2","7","4","2","1") = "6"
    & skf21("1","1","4","2","7","4","3","1") = "6"
    & skf21("1","1","4","2","7","4","4","1") = "6"
    & skf21("1","1","4","2","7","4","5","1") = "6"
    & skf21("1","1","4","2","7","4","6","1") = "6"
    & skf21("1","1","4","2","7","4","7","1") = "6"
    & skf21("1","1","4","2","7","5","1","1") = "6"
    & skf21("1","1","4","2","7","5","2","1") = "6"
    & skf21("1","1","4","2","7","5","3","1") = "6"
    & skf21("1","1","4","2","7","5","4","1") = "6"
    & skf21("1","1","4","2","7","5","5","1") = "6"
    & skf21("1","1","4","2","7","5","6","1") = "6"
    & skf21("1","1","4","2","7","5","7","1") = "6"
    & skf21("1","1","4","2","7","6","1","1") = "6"
    & skf21("1","1","4","2","7","6","2","1") = "6"
    & skf21("1","1","4","2","7","6","3","1") = "6"
    & skf21("1","1","4","2","7","6","4","1") = "6"
    & skf21("1","1","4","2","7","6","5","1") = "6"
    & skf21("1","1","4","2","7","6","6","1") = "6"
    & skf21("1","1","4","2","7","6","7","1") = "6"
    & skf21("1","1","4","2","7","7","1","1") = "6"
    & skf21("1","1","4","2","7","7","2","1") = "6"
    & skf21("1","1","4","2","7","7","3","1") = "6"
    & skf21("1","1","4","2","7","7","4","1") = "6"
    & skf21("1","1","4","2","7","7","5","1") = "6"
    & skf21("1","1","4","2","7","7","6","1") = "6"
    & skf21("1","1","4","2","7","7","7","1") = "6"
    & skf21("1","1","4","3","1","1","1","1") = "3"
    & skf21("1","1","4","3","1","1","2","1") = "3"
    & skf21("1","1","4","3","1","1","3","1") = "3"
    & skf21("1","1","4","3","1","1","4","1") = "3"
    & skf21("1","1","4","3","1","1","5","1") = "4"
    & skf21("1","1","4","3","1","1","6","1") = "5"
    & skf21("1","1","4","3","1","1","7","1") = "6"
    & skf21("1","1","4","3","1","2","1","1") = "3"
    & skf21("1","1","4","3","1","2","2","1") = "3"
    & skf21("1","1","4","3","1","2","3","1") = "3"
    & skf21("1","1","4","3","1","2","4","1") = "3"
    & skf21("1","1","4","3","1","2","5","1") = "4"
    & skf21("1","1","4","3","1","2","6","1") = "5"
    & skf21("1","1","4","3","1","2","7","1") = "6"
    & skf21("1","1","4","3","1","3","1","1") = "3"
    & skf21("1","1","4","3","1","3","2","1") = "3"
    & skf21("1","1","4","3","1","3","3","1") = "3"
    & skf21("1","1","4","3","1","3","4","1") = "3"
    & skf21("1","1","4","3","1","3","5","1") = "4"
    & skf21("1","1","4","3","1","3","6","1") = "5"
    & skf21("1","1","4","3","1","3","7","1") = "6"
    & skf21("1","1","4","3","1","4","1","1") = "3"
    & skf21("1","1","4","3","1","4","2","1") = "3"
    & skf21("1","1","4","3","1","4","3","1") = "3"
    & skf21("1","1","4","3","1","4","4","1") = "3"
    & skf21("1","1","4","3","1","4","5","1") = "4"
    & skf21("1","1","4","3","1","4","6","1") = "5"
    & skf21("1","1","4","3","1","4","7","1") = "6"
    & skf21("1","1","4","3","1","5","1","1") = "4"
    & skf21("1","1","4","3","1","5","2","1") = "4"
    & skf21("1","1","4","3","1","5","3","1") = "4"
    & skf21("1","1","4","3","1","5","4","1") = "4"
    & skf21("1","1","4","3","1","5","5","1") = "4"
    & skf21("1","1","4","3","1","5","6","1") = "5"
    & skf21("1","1","4","3","1","5","7","1") = "6"
    & skf21("1","1","4","3","1","6","1","1") = "5"
    & skf21("1","1","4","3","1","6","2","1") = "5"
    & skf21("1","1","4","3","1","6","3","1") = "5"
    & skf21("1","1","4","3","1","6","4","1") = "5"
    & skf21("1","1","4","3","1","6","5","1") = "5"
    & skf21("1","1","4","3","1","6","6","1") = "5"
    & skf21("1","1","4","3","1","6","7","1") = "6"
    & skf21("1","1","4","3","1","7","1","1") = "6"
    & skf21("1","1","4","3","1","7","2","1") = "6"
    & skf21("1","1","4","3","1","7","3","1") = "6"
    & skf21("1","1","4","3","1","7","4","1") = "6"
    & skf21("1","1","4","3","1","7","5","1") = "6"
    & skf21("1","1","4","3","1","7","6","1") = "6"
    & skf21("1","1","4","3","1","7","7","1") = "6"
    & skf21("1","1","4","3","2","1","1","1") = "3"
    & skf21("1","1","4","3","2","1","2","1") = "3"
    & skf21("1","1","4","3","2","1","3","1") = "3"
    & skf21("1","1","4","3","2","1","4","1") = "3"
    & skf21("1","1","4","3","2","1","5","1") = "4"
    & skf21("1","1","4","3","2","1","6","1") = "5"
    & skf21("1","1","4","3","2","1","7","1") = "6"
    & skf21("1","1","4","3","2","2","1","1") = "3"
    & skf21("1","1","4","3","2","2","2","1") = "3"
    & skf21("1","1","4","3","2","2","3","1") = "3"
    & skf21("1","1","4","3","2","2","4","1") = "3"
    & skf21("1","1","4","3","2","2","5","1") = "4"
    & skf21("1","1","4","3","2","2","6","1") = "5"
    & skf21("1","1","4","3","2","2","7","1") = "6"
    & skf21("1","1","4","3","2","3","1","1") = "3"
    & skf21("1","1","4","3","2","3","2","1") = "3"
    & skf21("1","1","4","3","2","3","3","1") = "3"
    & skf21("1","1","4","3","2","3","4","1") = "3"
    & skf21("1","1","4","3","2","3","5","1") = "4"
    & skf21("1","1","4","3","2","3","6","1") = "5"
    & skf21("1","1","4","3","2","3","7","1") = "6"
    & skf21("1","1","4","3","2","4","1","1") = "3"
    & skf21("1","1","4","3","2","4","2","1") = "3"
    & skf21("1","1","4","3","2","4","3","1") = "3"
    & skf21("1","1","4","3","2","4","4","1") = "3"
    & skf21("1","1","4","3","2","4","5","1") = "4"
    & skf21("1","1","4","3","2","4","6","1") = "5"
    & skf21("1","1","4","3","2","4","7","1") = "6"
    & skf21("1","1","4","3","2","5","1","1") = "4"
    & skf21("1","1","4","3","2","5","2","1") = "4"
    & skf21("1","1","4","3","2","5","3","1") = "4"
    & skf21("1","1","4","3","2","5","4","1") = "4"
    & skf21("1","1","4","3","2","5","5","1") = "4"
    & skf21("1","1","4","3","2","5","6","1") = "5"
    & skf21("1","1","4","3","2","5","7","1") = "6"
    & skf21("1","1","4","3","2","6","1","1") = "5"
    & skf21("1","1","4","3","2","6","2","1") = "5"
    & skf21("1","1","4","3","2","6","3","1") = "5"
    & skf21("1","1","4","3","2","6","4","1") = "5"
    & skf21("1","1","4","3","2","6","5","1") = "5"
    & skf21("1","1","4","3","2","6","6","1") = "5"
    & skf21("1","1","4","3","2","6","7","1") = "6"
    & skf21("1","1","4","3","2","7","1","1") = "6"
    & skf21("1","1","4","3","2","7","2","1") = "6"
    & skf21("1","1","4","3","2","7","3","1") = "6"
    & skf21("1","1","4","3","2","7","4","1") = "6"
    & skf21("1","1","4","3","2","7","5","1") = "6"
    & skf21("1","1","4","3","2","7","6","1") = "6"
    & skf21("1","1","4","3","2","7","7","1") = "6"
    & skf21("1","1","4","3","3","1","1","1") = "3"
    & skf21("1","1","4","3","3","1","2","1") = "3"
    & skf21("1","1","4","3","3","1","3","1") = "3"
    & skf21("1","1","4","3","3","1","4","1") = "3"
    & skf21("1","1","4","3","3","1","5","1") = "4"
    & skf21("1","1","4","3","3","1","6","1") = "5"
    & skf21("1","1","4","3","3","1","7","1") = "6"
    & skf21("1","1","4","3","3","2","1","1") = "3"
    & skf21("1","1","4","3","3","2","2","1") = "3"
    & skf21("1","1","4","3","3","2","3","1") = "3"
    & skf21("1","1","4","3","3","2","4","1") = "3"
    & skf21("1","1","4","3","3","2","5","1") = "4"
    & skf21("1","1","4","3","3","2","6","1") = "5"
    & skf21("1","1","4","3","3","2","7","1") = "6"
    & skf21("1","1","4","3","3","3","1","1") = "3"
    & skf21("1","1","4","3","3","3","2","1") = "3"
    & skf21("1","1","4","3","3","3","3","1") = "3"
    & skf21("1","1","4","3","3","3","4","1") = "3"
    & skf21("1","1","4","3","3","3","5","1") = "4"
    & skf21("1","1","4","3","3","3","6","1") = "5"
    & skf21("1","1","4","3","3","3","7","1") = "6"
    & skf21("1","1","4","3","3","4","1","1") = "3"
    & skf21("1","1","4","3","3","4","2","1") = "3"
    & skf21("1","1","4","3","3","4","3","1") = "3"
    & skf21("1","1","4","3","3","4","4","1") = "3"
    & skf21("1","1","4","3","3","4","5","1") = "4"
    & skf21("1","1","4","3","3","4","6","1") = "5"
    & skf21("1","1","4","3","3","4","7","1") = "6"
    & skf21("1","1","4","3","3","5","1","1") = "4"
    & skf21("1","1","4","3","3","5","2","1") = "4"
    & skf21("1","1","4","3","3","5","3","1") = "4"
    & skf21("1","1","4","3","3","5","4","1") = "4"
    & skf21("1","1","4","3","3","5","5","1") = "4"
    & skf21("1","1","4","3","3","5","6","1") = "5"
    & skf21("1","1","4","3","3","5","7","1") = "6"
    & skf21("1","1","4","3","3","6","1","1") = "5"
    & skf21("1","1","4","3","3","6","2","1") = "5"
    & skf21("1","1","4","3","3","6","3","1") = "5"
    & skf21("1","1","4","3","3","6","4","1") = "5"
    & skf21("1","1","4","3","3","6","5","1") = "5"
    & skf21("1","1","4","3","3","6","6","1") = "5"
    & skf21("1","1","4","3","3","6","7","1") = "6"
    & skf21("1","1","4","3","3","7","1","1") = "6"
    & skf21("1","1","4","3","3","7","2","1") = "6"
    & skf21("1","1","4","3","3","7","3","1") = "6"
    & skf21("1","1","4","3","3","7","4","1") = "6"
    & skf21("1","1","4","3","3","7","5","1") = "6"
    & skf21("1","1","4","3","3","7","6","1") = "6"
    & skf21("1","1","4","3","3","7","7","1") = "6"
    & skf21("1","1","4","3","4","1","1","1") = "3"
    & skf21("1","1","4","3","4","1","2","1") = "3"
    & skf21("1","1","4","3","4","1","3","1") = "3"
    & skf21("1","1","4","3","4","1","4","1") = "3"
    & skf21("1","1","4","3","4","1","5","1") = "4"
    & skf21("1","1","4","3","4","1","6","1") = "5"
    & skf21("1","1","4","3","4","1","7","1") = "6"
    & skf21("1","1","4","3","4","2","1","1") = "3"
    & skf21("1","1","4","3","4","2","2","1") = "3"
    & skf21("1","1","4","3","4","2","3","1") = "3"
    & skf21("1","1","4","3","4","2","4","1") = "3"
    & skf21("1","1","4","3","4","2","5","1") = "4"
    & skf21("1","1","4","3","4","2","6","1") = "5"
    & skf21("1","1","4","3","4","2","7","1") = "6"
    & skf21("1","1","4","3","4","3","1","1") = "3"
    & skf21("1","1","4","3","4","3","2","1") = "3"
    & skf21("1","1","4","3","4","3","3","1") = "3"
    & skf21("1","1","4","3","4","3","4","1") = "3"
    & skf21("1","1","4","3","4","3","5","1") = "4"
    & skf21("1","1","4","3","4","3","6","1") = "5"
    & skf21("1","1","4","3","4","3","7","1") = "6"
    & skf21("1","1","4","3","4","4","1","1") = "3"
    & skf21("1","1","4","3","4","4","2","1") = "3"
    & skf21("1","1","4","3","4","4","3","1") = "3"
    & skf21("1","1","4","3","4","4","4","1") = "3"
    & skf21("1","1","4","3","4","4","5","1") = "4"
    & skf21("1","1","4","3","4","4","6","1") = "5"
    & skf21("1","1","4","3","4","4","7","1") = "6"
    & skf21("1","1","4","3","4","5","1","1") = "4"
    & skf21("1","1","4","3","4","5","2","1") = "4"
    & skf21("1","1","4","3","4","5","3","1") = "4"
    & skf21("1","1","4","3","4","5","4","1") = "4"
    & skf21("1","1","4","3","4","5","5","1") = "4"
    & skf21("1","1","4","3","4","5","6","1") = "5"
    & skf21("1","1","4","3","4","5","7","1") = "6"
    & skf21("1","1","4","3","4","6","1","1") = "5"
    & skf21("1","1","4","3","4","6","2","1") = "5"
    & skf21("1","1","4","3","4","6","3","1") = "5"
    & skf21("1","1","4","3","4","6","4","1") = "5"
    & skf21("1","1","4","3","4","6","5","1") = "5"
    & skf21("1","1","4","3","4","6","6","1") = "5"
    & skf21("1","1","4","3","4","6","7","1") = "6"
    & skf21("1","1","4","3","4","7","1","1") = "6"
    & skf21("1","1","4","3","4","7","2","1") = "6"
    & skf21("1","1","4","3","4","7","3","1") = "6"
    & skf21("1","1","4","3","4","7","4","1") = "6"
    & skf21("1","1","4","3","4","7","5","1") = "6"
    & skf21("1","1","4","3","4","7","6","1") = "6"
    & skf21("1","1","4","3","4","7","7","1") = "6"
    & skf21("1","1","4","3","5","1","1","1") = "4"
    & skf21("1","1","4","3","5","1","2","1") = "4"
    & skf21("1","1","4","3","5","1","3","1") = "4"
    & skf21("1","1","4","3","5","1","4","1") = "4"
    & skf21("1","1","4","3","5","1","5","1") = "4"
    & skf21("1","1","4","3","5","1","6","1") = "5"
    & skf21("1","1","4","3","5","1","7","1") = "6"
    & skf21("1","1","4","3","5","2","1","1") = "4"
    & skf21("1","1","4","3","5","2","2","1") = "4"
    & skf21("1","1","4","3","5","2","3","1") = "4"
    & skf21("1","1","4","3","5","2","4","1") = "4"
    & skf21("1","1","4","3","5","2","5","1") = "4"
    & skf21("1","1","4","3","5","2","6","1") = "5"
    & skf21("1","1","4","3","5","2","7","1") = "6"
    & skf21("1","1","4","3","5","3","1","1") = "4"
    & skf21("1","1","4","3","5","3","2","1") = "4"
    & skf21("1","1","4","3","5","3","3","1") = "4"
    & skf21("1","1","4","3","5","3","4","1") = "4"
    & skf21("1","1","4","3","5","3","5","1") = "4"
    & skf21("1","1","4","3","5","3","6","1") = "5"
    & skf21("1","1","4","3","5","3","7","1") = "6"
    & skf21("1","1","4","3","5","4","1","1") = "4"
    & skf21("1","1","4","3","5","4","2","1") = "4"
    & skf21("1","1","4","3","5","4","3","1") = "4"
    & skf21("1","1","4","3","5","4","4","1") = "4"
    & skf21("1","1","4","3","5","4","5","1") = "4"
    & skf21("1","1","4","3","5","4","6","1") = "5"
    & skf21("1","1","4","3","5","4","7","1") = "6"
    & skf21("1","1","4","3","5","5","1","1") = "4"
    & skf21("1","1","4","3","5","5","2","1") = "4"
    & skf21("1","1","4","3","5","5","3","1") = "4"
    & skf21("1","1","4","3","5","5","4","1") = "4"
    & skf21("1","1","4","3","5","5","5","1") = "4"
    & skf21("1","1","4","3","5","5","6","1") = "5"
    & skf21("1","1","4","3","5","5","7","1") = "6"
    & skf21("1","1","4","3","5","6","1","1") = "5"
    & skf21("1","1","4","3","5","6","2","1") = "5"
    & skf21("1","1","4","3","5","6","3","1") = "5"
    & skf21("1","1","4","3","5","6","4","1") = "5"
    & skf21("1","1","4","3","5","6","5","1") = "5"
    & skf21("1","1","4","3","5","6","6","1") = "5"
    & skf21("1","1","4","3","5","6","7","1") = "6"
    & skf21("1","1","4","3","5","7","1","1") = "6"
    & skf21("1","1","4","3","5","7","2","1") = "6"
    & skf21("1","1","4","3","5","7","3","1") = "6"
    & skf21("1","1","4","3","5","7","4","1") = "6"
    & skf21("1","1","4","3","5","7","5","1") = "6"
    & skf21("1","1","4","3","5","7","6","1") = "6"
    & skf21("1","1","4","3","5","7","7","1") = "6"
    & skf21("1","1","4","3","6","1","1","1") = "5"
    & skf21("1","1","4","3","6","1","2","1") = "5"
    & skf21("1","1","4","3","6","1","3","1") = "5"
    & skf21("1","1","4","3","6","1","4","1") = "5"
    & skf21("1","1","4","3","6","1","5","1") = "5"
    & skf21("1","1","4","3","6","1","6","1") = "5"
    & skf21("1","1","4","3","6","1","7","1") = "6"
    & skf21("1","1","4","3","6","2","1","1") = "5"
    & skf21("1","1","4","3","6","2","2","1") = "5"
    & skf21("1","1","4","3","6","2","3","1") = "5"
    & skf21("1","1","4","3","6","2","4","1") = "5"
    & skf21("1","1","4","3","6","2","5","1") = "5"
    & skf21("1","1","4","3","6","2","6","1") = "5"
    & skf21("1","1","4","3","6","2","7","1") = "6"
    & skf21("1","1","4","3","6","3","1","1") = "5"
    & skf21("1","1","4","3","6","3","2","1") = "5"
    & skf21("1","1","4","3","6","3","3","1") = "5"
    & skf21("1","1","4","3","6","3","4","1") = "5"
    & skf21("1","1","4","3","6","3","5","1") = "5"
    & skf21("1","1","4","3","6","3","6","1") = "5"
    & skf21("1","1","4","3","6","3","7","1") = "6"
    & skf21("1","1","4","3","6","4","1","1") = "5"
    & skf21("1","1","4","3","6","4","2","1") = "5"
    & skf21("1","1","4","3","6","4","3","1") = "5"
    & skf21("1","1","4","3","6","4","4","1") = "5"
    & skf21("1","1","4","3","6","4","5","1") = "5"
    & skf21("1","1","4","3","6","4","6","1") = "5"
    & skf21("1","1","4","3","6","4","7","1") = "6"
    & skf21("1","1","4","3","6","5","1","1") = "5"
    & skf21("1","1","4","3","6","5","2","1") = "5"
    & skf21("1","1","4","3","6","5","3","1") = "5"
    & skf21("1","1","4","3","6","5","4","1") = "5"
    & skf21("1","1","4","3","6","5","5","1") = "5"
    & skf21("1","1","4","3","6","5","6","1") = "5"
    & skf21("1","1","4","3","6","5","7","1") = "6"
    & skf21("1","1","4","3","6","6","1","1") = "5"
    & skf21("1","1","4","3","6","6","2","1") = "5"
    & skf21("1","1","4","3","6","6","3","1") = "5"
    & skf21("1","1","4","3","6","6","4","1") = "5"
    & skf21("1","1","4","3","6","6","5","1") = "5"
    & skf21("1","1","4","3","6","6","6","1") = "5"
    & skf21("1","1","4","3","6","6","7","1") = "6"
    & skf21("1","1","4","3","6","7","1","1") = "6"
    & skf21("1","1","4","3","6","7","2","1") = "6"
    & skf21("1","1","4","3","6","7","3","1") = "6"
    & skf21("1","1","4","3","6","7","4","1") = "6"
    & skf21("1","1","4","3","6","7","5","1") = "6"
    & skf21("1","1","4","3","6","7","6","1") = "6"
    & skf21("1","1","4","3","6","7","7","1") = "6"
    & skf21("1","1","4","3","7","1","1","1") = "6"
    & skf21("1","1","4","3","7","1","2","1") = "6"
    & skf21("1","1","4","3","7","1","3","1") = "6"
    & skf21("1","1","4","3","7","1","4","1") = "6"
    & skf21("1","1","4","3","7","1","5","1") = "6"
    & skf21("1","1","4","3","7","1","6","1") = "6"
    & skf21("1","1","4","3","7","1","7","1") = "6"
    & skf21("1","1","4","3","7","2","1","1") = "6"
    & skf21("1","1","4","3","7","2","2","1") = "6"
    & skf21("1","1","4","3","7","2","3","1") = "6"
    & skf21("1","1","4","3","7","2","4","1") = "6"
    & skf21("1","1","4","3","7","2","5","1") = "6"
    & skf21("1","1","4","3","7","2","6","1") = "6"
    & skf21("1","1","4","3","7","2","7","1") = "6"
    & skf21("1","1","4","3","7","3","1","1") = "6"
    & skf21("1","1","4","3","7","3","2","1") = "6"
    & skf21("1","1","4","3","7","3","3","1") = "6"
    & skf21("1","1","4","3","7","3","4","1") = "6"
    & skf21("1","1","4","3","7","3","5","1") = "6"
    & skf21("1","1","4","3","7","3","6","1") = "6"
    & skf21("1","1","4","3","7","3","7","1") = "6"
    & skf21("1","1","4","3","7","4","1","1") = "6"
    & skf21("1","1","4","3","7","4","2","1") = "6"
    & skf21("1","1","4","3","7","4","3","1") = "6"
    & skf21("1","1","4","3","7","4","4","1") = "6"
    & skf21("1","1","4","3","7","4","5","1") = "6"
    & skf21("1","1","4","3","7","4","6","1") = "6"
    & skf21("1","1","4","3","7","4","7","1") = "6"
    & skf21("1","1","4","3","7","5","1","1") = "6"
    & skf21("1","1","4","3","7","5","2","1") = "6"
    & skf21("1","1","4","3","7","5","3","1") = "6"
    & skf21("1","1","4","3","7","5","4","1") = "6"
    & skf21("1","1","4","3","7","5","5","1") = "6"
    & skf21("1","1","4","3","7","5","6","1") = "6"
    & skf21("1","1","4","3","7","5","7","1") = "6"
    & skf21("1","1","4","3","7","6","1","1") = "6"
    & skf21("1","1","4","3","7","6","2","1") = "6"
    & skf21("1","1","4","3","7","6","3","1") = "6"
    & skf21("1","1","4","3","7","6","4","1") = "6"
    & skf21("1","1","4","3","7","6","5","1") = "6"
    & skf21("1","1","4","3","7","6","6","1") = "6"
    & skf21("1","1","4","3","7","6","7","1") = "6"
    & skf21("1","1","4","3","7","7","1","1") = "6"
    & skf21("1","1","4","3","7","7","2","1") = "6"
    & skf21("1","1","4","3","7","7","3","1") = "6"
    & skf21("1","1","4","3","7","7","4","1") = "6"
    & skf21("1","1","4","3","7","7","5","1") = "6"
    & skf21("1","1","4","3","7","7","6","1") = "6"
    & skf21("1","1","4","3","7","7","7","1") = "6"
    & skf21("1","1","4","4","1","1","1","1") = "3"
    & skf21("1","1","4","4","1","1","2","1") = "3"
    & skf21("1","1","4","4","1","1","3","1") = "3"
    & skf21("1","1","4","4","1","1","4","1") = "3"
    & skf21("1","1","4","4","1","1","5","1") = "4"
    & skf21("1","1","4","4","1","1","6","1") = "5"
    & skf21("1","1","4","4","1","1","7","1") = "6"
    & skf21("1","1","4","4","1","2","1","1") = "3"
    & skf21("1","1","4","4","1","2","2","1") = "3"
    & skf21("1","1","4","4","1","2","3","1") = "3"
    & skf21("1","1","4","4","1","2","4","1") = "3"
    & skf21("1","1","4","4","1","2","5","1") = "4"
    & skf21("1","1","4","4","1","2","6","1") = "5"
    & skf21("1","1","4","4","1","2","7","1") = "6"
    & skf21("1","1","4","4","1","3","1","1") = "3"
    & skf21("1","1","4","4","1","3","2","1") = "3"
    & skf21("1","1","4","4","1","3","3","1") = "3"
    & skf21("1","1","4","4","1","3","4","1") = "3"
    & skf21("1","1","4","4","1","3","5","1") = "4"
    & skf21("1","1","4","4","1","3","6","1") = "5"
    & skf21("1","1","4","4","1","3","7","1") = "6"
    & skf21("1","1","4","4","1","4","1","1") = "3"
    & skf21("1","1","4","4","1","4","2","1") = "3"
    & skf21("1","1","4","4","1","4","3","1") = "3"
    & skf21("1","1","4","4","1","4","4","1") = "3"
    & skf21("1","1","4","4","1","4","5","1") = "4"
    & skf21("1","1","4","4","1","4","6","1") = "5"
    & skf21("1","1","4","4","1","4","7","1") = "6"
    & skf21("1","1","4","4","1","5","1","1") = "4"
    & skf21("1","1","4","4","1","5","2","1") = "4"
    & skf21("1","1","4","4","1","5","3","1") = "4"
    & skf21("1","1","4","4","1","5","4","1") = "4"
    & skf21("1","1","4","4","1","5","5","1") = "4"
    & skf21("1","1","4","4","1","5","6","1") = "5"
    & skf21("1","1","4","4","1","5","7","1") = "6"
    & skf21("1","1","4","4","1","6","1","1") = "5"
    & skf21("1","1","4","4","1","6","2","1") = "5"
    & skf21("1","1","4","4","1","6","3","1") = "5"
    & skf21("1","1","4","4","1","6","4","1") = "5"
    & skf21("1","1","4","4","1","6","5","1") = "5"
    & skf21("1","1","4","4","1","6","6","1") = "5"
    & skf21("1","1","4","4","1","6","7","1") = "6"
    & skf21("1","1","4","4","1","7","1","1") = "6"
    & skf21("1","1","4","4","1","7","2","1") = "6"
    & skf21("1","1","4","4","1","7","3","1") = "6"
    & skf21("1","1","4","4","1","7","4","1") = "6"
    & skf21("1","1","4","4","1","7","5","1") = "6"
    & skf21("1","1","4","4","1","7","6","1") = "6"
    & skf21("1","1","4","4","1","7","7","1") = "6"
    & skf21("1","1","4","4","2","1","1","1") = "3"
    & skf21("1","1","4","4","2","1","2","1") = "3"
    & skf21("1","1","4","4","2","1","3","1") = "3"
    & skf21("1","1","4","4","2","1","4","1") = "3"
    & skf21("1","1","4","4","2","1","5","1") = "4"
    & skf21("1","1","4","4","2","1","6","1") = "5"
    & skf21("1","1","4","4","2","1","7","1") = "6"
    & skf21("1","1","4","4","2","2","1","1") = "3"
    & skf21("1","1","4","4","2","2","2","1") = "3"
    & skf21("1","1","4","4","2","2","3","1") = "3"
    & skf21("1","1","4","4","2","2","4","1") = "3"
    & skf21("1","1","4","4","2","2","5","1") = "4"
    & skf21("1","1","4","4","2","2","6","1") = "5"
    & skf21("1","1","4","4","2","2","7","1") = "6"
    & skf21("1","1","4","4","2","3","1","1") = "3"
    & skf21("1","1","4","4","2","3","2","1") = "3"
    & skf21("1","1","4","4","2","3","3","1") = "3"
    & skf21("1","1","4","4","2","3","4","1") = "3"
    & skf21("1","1","4","4","2","3","5","1") = "4"
    & skf21("1","1","4","4","2","3","6","1") = "5"
    & skf21("1","1","4","4","2","3","7","1") = "6"
    & skf21("1","1","4","4","2","4","1","1") = "3"
    & skf21("1","1","4","4","2","4","2","1") = "3"
    & skf21("1","1","4","4","2","4","3","1") = "3"
    & skf21("1","1","4","4","2","4","4","1") = "3"
    & skf21("1","1","4","4","2","4","5","1") = "4"
    & skf21("1","1","4","4","2","4","6","1") = "5"
    & skf21("1","1","4","4","2","4","7","1") = "6"
    & skf21("1","1","4","4","2","5","1","1") = "4"
    & skf21("1","1","4","4","2","5","2","1") = "4"
    & skf21("1","1","4","4","2","5","3","1") = "4"
    & skf21("1","1","4","4","2","5","4","1") = "4"
    & skf21("1","1","4","4","2","5","5","1") = "4"
    & skf21("1","1","4","4","2","5","6","1") = "5"
    & skf21("1","1","4","4","2","5","7","1") = "6"
    & skf21("1","1","4","4","2","6","1","1") = "5"
    & skf21("1","1","4","4","2","6","2","1") = "5"
    & skf21("1","1","4","4","2","6","3","1") = "5"
    & skf21("1","1","4","4","2","6","4","1") = "5"
    & skf21("1","1","4","4","2","6","5","1") = "5"
    & skf21("1","1","4","4","2","6","6","1") = "5"
    & skf21("1","1","4","4","2","6","7","1") = "6"
    & skf21("1","1","4","4","2","7","1","1") = "6"
    & skf21("1","1","4","4","2","7","2","1") = "6"
    & skf21("1","1","4","4","2","7","3","1") = "6"
    & skf21("1","1","4","4","2","7","4","1") = "6"
    & skf21("1","1","4","4","2","7","5","1") = "6"
    & skf21("1","1","4","4","2","7","6","1") = "6"
    & skf21("1","1","4","4","2","7","7","1") = "6"
    & skf21("1","1","4","4","3","1","1","1") = "3"
    & skf21("1","1","4","4","3","1","2","1") = "3"
    & skf21("1","1","4","4","3","1","3","1") = "3"
    & skf21("1","1","4","4","3","1","4","1") = "3"
    & skf21("1","1","4","4","3","1","5","1") = "4"
    & skf21("1","1","4","4","3","1","6","1") = "5"
    & skf21("1","1","4","4","3","1","7","1") = "6"
    & skf21("1","1","4","4","3","2","1","1") = "3"
    & skf21("1","1","4","4","3","2","2","1") = "3"
    & skf21("1","1","4","4","3","2","3","1") = "3"
    & skf21("1","1","4","4","3","2","4","1") = "3"
    & skf21("1","1","4","4","3","2","5","1") = "4"
    & skf21("1","1","4","4","3","2","6","1") = "5"
    & skf21("1","1","4","4","3","2","7","1") = "6"
    & skf21("1","1","4","4","3","3","1","1") = "3"
    & skf21("1","1","4","4","3","3","2","1") = "3"
    & skf21("1","1","4","4","3","3","3","1") = "3"
    & skf21("1","1","4","4","3","3","4","1") = "3"
    & skf21("1","1","4","4","3","3","5","1") = "4"
    & skf21("1","1","4","4","3","3","6","1") = "5"
    & skf21("1","1","4","4","3","3","7","1") = "6"
    & skf21("1","1","4","4","3","4","1","1") = "3"
    & skf21("1","1","4","4","3","4","2","1") = "3"
    & skf21("1","1","4","4","3","4","3","1") = "3"
    & skf21("1","1","4","4","3","4","4","1") = "3"
    & skf21("1","1","4","4","3","4","5","1") = "4"
    & skf21("1","1","4","4","3","4","6","1") = "5"
    & skf21("1","1","4","4","3","4","7","1") = "6"
    & skf21("1","1","4","4","3","5","1","1") = "4"
    & skf21("1","1","4","4","3","5","2","1") = "4"
    & skf21("1","1","4","4","3","5","3","1") = "4"
    & skf21("1","1","4","4","3","5","4","1") = "4"
    & skf21("1","1","4","4","3","5","5","1") = "4"
    & skf21("1","1","4","4","3","5","6","1") = "5"
    & skf21("1","1","4","4","3","5","7","1") = "6"
    & skf21("1","1","4","4","3","6","1","1") = "5"
    & skf21("1","1","4","4","3","6","2","1") = "5"
    & skf21("1","1","4","4","3","6","3","1") = "5"
    & skf21("1","1","4","4","3","6","4","1") = "5"
    & skf21("1","1","4","4","3","6","5","1") = "5"
    & skf21("1","1","4","4","3","6","6","1") = "5"
    & skf21("1","1","4","4","3","6","7","1") = "6"
    & skf21("1","1","4","4","3","7","1","1") = "6"
    & skf21("1","1","4","4","3","7","2","1") = "6"
    & skf21("1","1","4","4","3","7","3","1") = "6"
    & skf21("1","1","4","4","3","7","4","1") = "6"
    & skf21("1","1","4","4","3","7","5","1") = "6"
    & skf21("1","1","4","4","3","7","6","1") = "6"
    & skf21("1","1","4","4","3","7","7","1") = "6"
    & skf21("1","1","4","4","4","1","1","1") = "3"
    & skf21("1","1","4","4","4","1","2","1") = "3"
    & skf21("1","1","4","4","4","1","3","1") = "3"
    & skf21("1","1","4","4","4","1","4","1") = "3"
    & skf21("1","1","4","4","4","1","5","1") = "4"
    & skf21("1","1","4","4","4","1","6","1") = "5"
    & skf21("1","1","4","4","4","1","7","1") = "6"
    & skf21("1","1","4","4","4","2","1","1") = "3"
    & skf21("1","1","4","4","4","2","2","1") = "3"
    & skf21("1","1","4","4","4","2","3","1") = "3"
    & skf21("1","1","4","4","4","2","4","1") = "3"
    & skf21("1","1","4","4","4","2","5","1") = "4"
    & skf21("1","1","4","4","4","2","6","1") = "5"
    & skf21("1","1","4","4","4","2","7","1") = "6"
    & skf21("1","1","4","4","4","3","1","1") = "3"
    & skf21("1","1","4","4","4","3","2","1") = "3"
    & skf21("1","1","4","4","4","3","3","1") = "3"
    & skf21("1","1","4","4","4","3","4","1") = "3"
    & skf21("1","1","4","4","4","3","5","1") = "4"
    & skf21("1","1","4","4","4","3","6","1") = "5"
    & skf21("1","1","4","4","4","3","7","1") = "6"
    & skf21("1","1","4","4","4","4","1","1") = "3"
    & skf21("1","1","4","4","4","4","2","1") = "3"
    & skf21("1","1","4","4","4","4","3","1") = "3"
    & skf21("1","1","4","4","4","4","4","1") = "3"
    & skf21("1","1","4","4","4","4","5","1") = "4"
    & skf21("1","1","4","4","4","4","6","1") = "5"
    & skf21("1","1","4","4","4","4","7","1") = "6"
    & skf21("1","1","4","4","4","5","1","1") = "4"
    & skf21("1","1","4","4","4","5","2","1") = "4"
    & skf21("1","1","4","4","4","5","3","1") = "4"
    & skf21("1","1","4","4","4","5","4","1") = "4"
    & skf21("1","1","4","4","4","5","5","1") = "4"
    & skf21("1","1","4","4","4","5","6","1") = "5"
    & skf21("1","1","4","4","4","5","7","1") = "6"
    & skf21("1","1","4","4","4","6","1","1") = "5"
    & skf21("1","1","4","4","4","6","2","1") = "5"
    & skf21("1","1","4","4","4","6","3","1") = "5"
    & skf21("1","1","4","4","4","6","4","1") = "5"
    & skf21("1","1","4","4","4","6","5","1") = "5"
    & skf21("1","1","4","4","4","6","6","1") = "5"
    & skf21("1","1","4","4","4","6","7","1") = "6"
    & skf21("1","1","4","4","4","7","1","1") = "6"
    & skf21("1","1","4","4","4","7","2","1") = "6"
    & skf21("1","1","4","4","4","7","3","1") = "6"
    & skf21("1","1","4","4","4","7","4","1") = "6"
    & skf21("1","1","4","4","4","7","5","1") = "6"
    & skf21("1","1","4","4","4","7","6","1") = "6"
    & skf21("1","1","4","4","4","7","7","1") = "6"
    & skf21("1","1","4","4","5","1","1","1") = "4"
    & skf21("1","1","4","4","5","1","2","1") = "4"
    & skf21("1","1","4","4","5","1","3","1") = "4"
    & skf21("1","1","4","4","5","1","4","1") = "4"
    & skf21("1","1","4","4","5","1","5","1") = "4"
    & skf21("1","1","4","4","5","1","6","1") = "5"
    & skf21("1","1","4","4","5","1","7","1") = "6"
    & skf21("1","1","4","4","5","2","1","1") = "4"
    & skf21("1","1","4","4","5","2","2","1") = "4"
    & skf21("1","1","4","4","5","2","3","1") = "4"
    & skf21("1","1","4","4","5","2","4","1") = "4"
    & skf21("1","1","4","4","5","2","5","1") = "4"
    & skf21("1","1","4","4","5","2","6","1") = "5"
    & skf21("1","1","4","4","5","2","7","1") = "6"
    & skf21("1","1","4","4","5","3","1","1") = "4"
    & skf21("1","1","4","4","5","3","2","1") = "4"
    & skf21("1","1","4","4","5","3","3","1") = "4"
    & skf21("1","1","4","4","5","3","4","1") = "4"
    & skf21("1","1","4","4","5","3","5","1") = "4"
    & skf21("1","1","4","4","5","3","6","1") = "5"
    & skf21("1","1","4","4","5","3","7","1") = "6"
    & skf21("1","1","4","4","5","4","1","1") = "4"
    & skf21("1","1","4","4","5","4","2","1") = "4"
    & skf21("1","1","4","4","5","4","3","1") = "4"
    & skf21("1","1","4","4","5","4","4","1") = "4"
    & skf21("1","1","4","4","5","4","5","1") = "4"
    & skf21("1","1","4","4","5","4","6","1") = "5"
    & skf21("1","1","4","4","5","4","7","1") = "6"
    & skf21("1","1","4","4","5","5","1","1") = "4"
    & skf21("1","1","4","4","5","5","2","1") = "4"
    & skf21("1","1","4","4","5","5","3","1") = "4"
    & skf21("1","1","4","4","5","5","4","1") = "4"
    & skf21("1","1","4","4","5","5","5","1") = "4"
    & skf21("1","1","4","4","5","5","6","1") = "5"
    & skf21("1","1","4","4","5","5","7","1") = "6"
    & skf21("1","1","4","4","5","6","1","1") = "5"
    & skf21("1","1","4","4","5","6","2","1") = "5"
    & skf21("1","1","4","4","5","6","3","1") = "5"
    & skf21("1","1","4","4","5","6","4","1") = "5"
    & skf21("1","1","4","4","5","6","5","1") = "5"
    & skf21("1","1","4","4","5","6","6","1") = "5"
    & skf21("1","1","4","4","5","6","7","1") = "6"
    & skf21("1","1","4","4","5","7","1","1") = "6"
    & skf21("1","1","4","4","5","7","2","1") = "6"
    & skf21("1","1","4","4","5","7","3","1") = "6"
    & skf21("1","1","4","4","5","7","4","1") = "6"
    & skf21("1","1","4","4","5","7","5","1") = "6"
    & skf21("1","1","4","4","5","7","6","1") = "6"
    & skf21("1","1","4","4","5","7","7","1") = "6"
    & skf21("1","1","4","4","6","1","1","1") = "5"
    & skf21("1","1","4","4","6","1","2","1") = "5"
    & skf21("1","1","4","4","6","1","3","1") = "5"
    & skf21("1","1","4","4","6","1","4","1") = "5"
    & skf21("1","1","4","4","6","1","5","1") = "5"
    & skf21("1","1","4","4","6","1","6","1") = "5"
    & skf21("1","1","4","4","6","1","7","1") = "6"
    & skf21("1","1","4","4","6","2","1","1") = "5"
    & skf21("1","1","4","4","6","2","2","1") = "5"
    & skf21("1","1","4","4","6","2","3","1") = "5"
    & skf21("1","1","4","4","6","2","4","1") = "5"
    & skf21("1","1","4","4","6","2","5","1") = "5"
    & skf21("1","1","4","4","6","2","6","1") = "5"
    & skf21("1","1","4","4","6","2","7","1") = "6"
    & skf21("1","1","4","4","6","3","1","1") = "5"
    & skf21("1","1","4","4","6","3","2","1") = "5"
    & skf21("1","1","4","4","6","3","3","1") = "5"
    & skf21("1","1","4","4","6","3","4","1") = "5"
    & skf21("1","1","4","4","6","3","5","1") = "5"
    & skf21("1","1","4","4","6","3","6","1") = "5"
    & skf21("1","1","4","4","6","3","7","1") = "6"
    & skf21("1","1","4","4","6","4","1","1") = "5"
    & skf21("1","1","4","4","6","4","2","1") = "5"
    & skf21("1","1","4","4","6","4","3","1") = "5"
    & skf21("1","1","4","4","6","4","4","1") = "5"
    & skf21("1","1","4","4","6","4","5","1") = "5"
    & skf21("1","1","4","4","6","4","6","1") = "5"
    & skf21("1","1","4","4","6","4","7","1") = "6"
    & skf21("1","1","4","4","6","5","1","1") = "5"
    & skf21("1","1","4","4","6","5","2","1") = "5"
    & skf21("1","1","4","4","6","5","3","1") = "5"
    & skf21("1","1","4","4","6","5","4","1") = "5"
    & skf21("1","1","4","4","6","5","5","1") = "5"
    & skf21("1","1","4","4","6","5","6","1") = "5"
    & skf21("1","1","4","4","6","5","7","1") = "6"
    & skf21("1","1","4","4","6","6","1","1") = "5"
    & skf21("1","1","4","4","6","6","2","1") = "5"
    & skf21("1","1","4","4","6","6","3","1") = "5"
    & skf21("1","1","4","4","6","6","4","1") = "5"
    & skf21("1","1","4","4","6","6","5","1") = "5"
    & skf21("1","1","4","4","6","6","6","1") = "5"
    & skf21("1","1","4","4","6","6","7","1") = "6"
    & skf21("1","1","4","4","6","7","1","1") = "6"
    & skf21("1","1","4","4","6","7","2","1") = "6"
    & skf21("1","1","4","4","6","7","3","1") = "6"
    & skf21("1","1","4","4","6","7","4","1") = "6"
    & skf21("1","1","4","4","6","7","5","1") = "6"
    & skf21("1","1","4","4","6","7","6","1") = "6"
    & skf21("1","1","4","4","6","7","7","1") = "6"
    & skf21("1","1","4","4","7","1","1","1") = "6"
    & skf21("1","1","4","4","7","1","2","1") = "6"
    & skf21("1","1","4","4","7","1","3","1") = "6"
    & skf21("1","1","4","4","7","1","4","1") = "6"
    & skf21("1","1","4","4","7","1","5","1") = "6"
    & skf21("1","1","4","4","7","1","6","1") = "6"
    & skf21("1","1","4","4","7","1","7","1") = "6"
    & skf21("1","1","4","4","7","2","1","1") = "6"
    & skf21("1","1","4","4","7","2","2","1") = "6"
    & skf21("1","1","4","4","7","2","3","1") = "6"
    & skf21("1","1","4","4","7","2","4","1") = "6"
    & skf21("1","1","4","4","7","2","5","1") = "6"
    & skf21("1","1","4","4","7","2","6","1") = "6"
    & skf21("1","1","4","4","7","2","7","1") = "6"
    & skf21("1","1","4","4","7","3","1","1") = "6"
    & skf21("1","1","4","4","7","3","2","1") = "6"
    & skf21("1","1","4","4","7","3","3","1") = "6"
    & skf21("1","1","4","4","7","3","4","1") = "6"
    & skf21("1","1","4","4","7","3","5","1") = "6"
    & skf21("1","1","4","4","7","3","6","1") = "6"
    & skf21("1","1","4","4","7","3","7","1") = "6"
    & skf21("1","1","4","4","7","4","1","1") = "6"
    & skf21("1","1","4","4","7","4","2","1") = "6"
    & skf21("1","1","4","4","7","4","3","1") = "6"
    & skf21("1","1","4","4","7","4","4","1") = "6"
    & skf21("1","1","4","4","7","4","5","1") = "6"
    & skf21("1","1","4","4","7","4","6","1") = "6"
    & skf21("1","1","4","4","7","4","7","1") = "6"
    & skf21("1","1","4","4","7","5","1","1") = "6"
    & skf21("1","1","4","4","7","5","2","1") = "6"
    & skf21("1","1","4","4","7","5","3","1") = "6"
    & skf21("1","1","4","4","7","5","4","1") = "6"
    & skf21("1","1","4","4","7","5","5","1") = "6"
    & skf21("1","1","4","4","7","5","6","1") = "6"
    & skf21("1","1","4","4","7","5","7","1") = "6"
    & skf21("1","1","4","4","7","6","1","1") = "6"
    & skf21("1","1","4","4","7","6","2","1") = "6"
    & skf21("1","1","4","4","7","6","3","1") = "6"
    & skf21("1","1","4","4","7","6","4","1") = "6"
    & skf21("1","1","4","4","7","6","5","1") = "6"
    & skf21("1","1","4","4","7","6","6","1") = "6"
    & skf21("1","1","4","4","7","6","7","1") = "6"
    & skf21("1","1","4","4","7","7","1","1") = "6"
    & skf21("1","1","4","4","7","7","2","1") = "6"
    & skf21("1","1","4","4","7","7","3","1") = "6"
    & skf21("1","1","4","4","7","7","4","1") = "6"
    & skf21("1","1","4","4","7","7","5","1") = "6"
    & skf21("1","1","4","4","7","7","6","1") = "6"
    & skf21("1","1","4","4","7","7","7","1") = "6"
    & skf21("1","1","4","5","1","1","1","1") = "4"
    & skf21("1","1","4","5","1","1","2","1") = "4"
    & skf21("1","1","4","5","1","1","3","1") = "4"
    & skf21("1","1","4","5","1","1","4","1") = "4"
    & skf21("1","1","4","5","1","1","5","1") = "4"
    & skf21("1","1","4","5","1","1","6","1") = "5"
    & skf21("1","1","4","5","1","1","7","1") = "6"
    & skf21("1","1","4","5","1","2","1","1") = "4"
    & skf21("1","1","4","5","1","2","2","1") = "4"
    & skf21("1","1","4","5","1","2","3","1") = "4"
    & skf21("1","1","4","5","1","2","4","1") = "4"
    & skf21("1","1","4","5","1","2","5","1") = "4"
    & skf21("1","1","4","5","1","2","6","1") = "5"
    & skf21("1","1","4","5","1","2","7","1") = "6"
    & skf21("1","1","4","5","1","3","1","1") = "4"
    & skf21("1","1","4","5","1","3","2","1") = "4"
    & skf21("1","1","4","5","1","3","3","1") = "4"
    & skf21("1","1","4","5","1","3","4","1") = "4"
    & skf21("1","1","4","5","1","3","5","1") = "4"
    & skf21("1","1","4","5","1","3","6","1") = "5"
    & skf21("1","1","4","5","1","3","7","1") = "6"
    & skf21("1","1","4","5","1","4","1","1") = "4"
    & skf21("1","1","4","5","1","4","2","1") = "4"
    & skf21("1","1","4","5","1","4","3","1") = "4"
    & skf21("1","1","4","5","1","4","4","1") = "4"
    & skf21("1","1","4","5","1","4","5","1") = "4"
    & skf21("1","1","4","5","1","4","6","1") = "5"
    & skf21("1","1","4","5","1","4","7","1") = "6"
    & skf21("1","1","4","5","1","5","1","1") = "4"
    & skf21("1","1","4","5","1","5","2","1") = "4"
    & skf21("1","1","4","5","1","5","3","1") = "4"
    & skf21("1","1","4","5","1","5","4","1") = "4"
    & skf21("1","1","4","5","1","5","5","1") = "4"
    & skf21("1","1","4","5","1","5","6","1") = "5"
    & skf21("1","1","4","5","1","5","7","1") = "6"
    & skf21("1","1","4","5","1","6","1","1") = "5"
    & skf21("1","1","4","5","1","6","2","1") = "5"
    & skf21("1","1","4","5","1","6","3","1") = "5"
    & skf21("1","1","4","5","1","6","4","1") = "5"
    & skf21("1","1","4","5","1","6","5","1") = "5"
    & skf21("1","1","4","5","1","6","6","1") = "5"
    & skf21("1","1","4","5","1","6","7","1") = "6"
    & skf21("1","1","4","5","1","7","1","1") = "6"
    & skf21("1","1","4","5","1","7","2","1") = "6"
    & skf21("1","1","4","5","1","7","3","1") = "6"
    & skf21("1","1","4","5","1","7","4","1") = "6"
    & skf21("1","1","4","5","1","7","5","1") = "6"
    & skf21("1","1","4","5","1","7","6","1") = "6"
    & skf21("1","1","4","5","1","7","7","1") = "6"
    & skf21("1","1","4","5","2","1","1","1") = "4"
    & skf21("1","1","4","5","2","1","2","1") = "4"
    & skf21("1","1","4","5","2","1","3","1") = "4"
    & skf21("1","1","4","5","2","1","4","1") = "4"
    & skf21("1","1","4","5","2","1","5","1") = "4"
    & skf21("1","1","4","5","2","1","6","1") = "5"
    & skf21("1","1","4","5","2","1","7","1") = "6"
    & skf21("1","1","4","5","2","2","1","1") = "4"
    & skf21("1","1","4","5","2","2","2","1") = "4"
    & skf21("1","1","4","5","2","2","3","1") = "4"
    & skf21("1","1","4","5","2","2","4","1") = "4"
    & skf21("1","1","4","5","2","2","5","1") = "4"
    & skf21("1","1","4","5","2","2","6","1") = "5"
    & skf21("1","1","4","5","2","2","7","1") = "6"
    & skf21("1","1","4","5","2","3","1","1") = "4"
    & skf21("1","1","4","5","2","3","2","1") = "4"
    & skf21("1","1","4","5","2","3","3","1") = "4"
    & skf21("1","1","4","5","2","3","4","1") = "4"
    & skf21("1","1","4","5","2","3","5","1") = "4"
    & skf21("1","1","4","5","2","3","6","1") = "5"
    & skf21("1","1","4","5","2","3","7","1") = "6"
    & skf21("1","1","4","5","2","4","1","1") = "4"
    & skf21("1","1","4","5","2","4","2","1") = "4"
    & skf21("1","1","4","5","2","4","3","1") = "4"
    & skf21("1","1","4","5","2","4","4","1") = "4"
    & skf21("1","1","4","5","2","4","5","1") = "4"
    & skf21("1","1","4","5","2","4","6","1") = "5"
    & skf21("1","1","4","5","2","4","7","1") = "6"
    & skf21("1","1","4","5","2","5","1","1") = "4"
    & skf21("1","1","4","5","2","5","2","1") = "4"
    & skf21("1","1","4","5","2","5","3","1") = "4"
    & skf21("1","1","4","5","2","5","4","1") = "4"
    & skf21("1","1","4","5","2","5","5","1") = "4"
    & skf21("1","1","4","5","2","5","6","1") = "5"
    & skf21("1","1","4","5","2","5","7","1") = "6"
    & skf21("1","1","4","5","2","6","1","1") = "5"
    & skf21("1","1","4","5","2","6","2","1") = "5"
    & skf21("1","1","4","5","2","6","3","1") = "5"
    & skf21("1","1","4","5","2","6","4","1") = "5"
    & skf21("1","1","4","5","2","6","5","1") = "5"
    & skf21("1","1","4","5","2","6","6","1") = "5"
    & skf21("1","1","4","5","2","6","7","1") = "6"
    & skf21("1","1","4","5","2","7","1","1") = "6"
    & skf21("1","1","4","5","2","7","2","1") = "6"
    & skf21("1","1","4","5","2","7","3","1") = "6"
    & skf21("1","1","4","5","2","7","4","1") = "6"
    & skf21("1","1","4","5","2","7","5","1") = "6"
    & skf21("1","1","4","5","2","7","6","1") = "6"
    & skf21("1","1","4","5","2","7","7","1") = "6"
    & skf21("1","1","4","5","3","1","1","1") = "4"
    & skf21("1","1","4","5","3","1","2","1") = "4"
    & skf21("1","1","4","5","3","1","3","1") = "4"
    & skf21("1","1","4","5","3","1","4","1") = "4"
    & skf21("1","1","4","5","3","1","5","1") = "4"
    & skf21("1","1","4","5","3","1","6","1") = "5"
    & skf21("1","1","4","5","3","1","7","1") = "6"
    & skf21("1","1","4","5","3","2","1","1") = "4"
    & skf21("1","1","4","5","3","2","2","1") = "4"
    & skf21("1","1","4","5","3","2","3","1") = "4"
    & skf21("1","1","4","5","3","2","4","1") = "4"
    & skf21("1","1","4","5","3","2","5","1") = "4"
    & skf21("1","1","4","5","3","2","6","1") = "5"
    & skf21("1","1","4","5","3","2","7","1") = "6"
    & skf21("1","1","4","5","3","3","1","1") = "4"
    & skf21("1","1","4","5","3","3","2","1") = "4"
    & skf21("1","1","4","5","3","3","3","1") = "4"
    & skf21("1","1","4","5","3","3","4","1") = "4"
    & skf21("1","1","4","5","3","3","5","1") = "4"
    & skf21("1","1","4","5","3","3","6","1") = "5"
    & skf21("1","1","4","5","3","3","7","1") = "6"
    & skf21("1","1","4","5","3","4","1","1") = "4"
    & skf21("1","1","4","5","3","4","2","1") = "4"
    & skf21("1","1","4","5","3","4","3","1") = "4"
    & skf21("1","1","4","5","3","4","4","1") = "4"
    & skf21("1","1","4","5","3","4","5","1") = "4"
    & skf21("1","1","4","5","3","4","6","1") = "5"
    & skf21("1","1","4","5","3","4","7","1") = "6"
    & skf21("1","1","4","5","3","5","1","1") = "4"
    & skf21("1","1","4","5","3","5","2","1") = "4"
    & skf21("1","1","4","5","3","5","3","1") = "4"
    & skf21("1","1","4","5","3","5","4","1") = "4"
    & skf21("1","1","4","5","3","5","5","1") = "4"
    & skf21("1","1","4","5","3","5","6","1") = "5"
    & skf21("1","1","4","5","3","5","7","1") = "6"
    & skf21("1","1","4","5","3","6","1","1") = "5"
    & skf21("1","1","4","5","3","6","2","1") = "5"
    & skf21("1","1","4","5","3","6","3","1") = "5"
    & skf21("1","1","4","5","3","6","4","1") = "5"
    & skf21("1","1","4","5","3","6","5","1") = "5"
    & skf21("1","1","4","5","3","6","6","1") = "5"
    & skf21("1","1","4","5","3","6","7","1") = "6"
    & skf21("1","1","4","5","3","7","1","1") = "6"
    & skf21("1","1","4","5","3","7","2","1") = "6"
    & skf21("1","1","4","5","3","7","3","1") = "6"
    & skf21("1","1","4","5","3","7","4","1") = "6"
    & skf21("1","1","4","5","3","7","5","1") = "6"
    & skf21("1","1","4","5","3","7","6","1") = "6"
    & skf21("1","1","4","5","3","7","7","1") = "6"
    & skf21("1","1","4","5","4","1","1","1") = "4"
    & skf21("1","1","4","5","4","1","2","1") = "4"
    & skf21("1","1","4","5","4","1","3","1") = "4"
    & skf21("1","1","4","5","4","1","4","1") = "4"
    & skf21("1","1","4","5","4","1","5","1") = "4"
    & skf21("1","1","4","5","4","1","6","1") = "5"
    & skf21("1","1","4","5","4","1","7","1") = "6"
    & skf21("1","1","4","5","4","2","1","1") = "4"
    & skf21("1","1","4","5","4","2","2","1") = "4"
    & skf21("1","1","4","5","4","2","3","1") = "4"
    & skf21("1","1","4","5","4","2","4","1") = "4"
    & skf21("1","1","4","5","4","2","5","1") = "4"
    & skf21("1","1","4","5","4","2","6","1") = "5"
    & skf21("1","1","4","5","4","2","7","1") = "6"
    & skf21("1","1","4","5","4","3","1","1") = "4"
    & skf21("1","1","4","5","4","3","2","1") = "4"
    & skf21("1","1","4","5","4","3","3","1") = "4"
    & skf21("1","1","4","5","4","3","4","1") = "4"
    & skf21("1","1","4","5","4","3","5","1") = "4"
    & skf21("1","1","4","5","4","3","6","1") = "5"
    & skf21("1","1","4","5","4","3","7","1") = "6"
    & skf21("1","1","4","5","4","4","1","1") = "4"
    & skf21("1","1","4","5","4","4","2","1") = "4"
    & skf21("1","1","4","5","4","4","3","1") = "4"
    & skf21("1","1","4","5","4","4","4","1") = "4"
    & skf21("1","1","4","5","4","4","5","1") = "4"
    & skf21("1","1","4","5","4","4","6","1") = "5"
    & skf21("1","1","4","5","4","4","7","1") = "6"
    & skf21("1","1","4","5","4","5","1","1") = "4"
    & skf21("1","1","4","5","4","5","2","1") = "4"
    & skf21("1","1","4","5","4","5","3","1") = "4"
    & skf21("1","1","4","5","4","5","4","1") = "4"
    & skf21("1","1","4","5","4","5","5","1") = "4"
    & skf21("1","1","4","5","4","5","6","1") = "5"
    & skf21("1","1","4","5","4","5","7","1") = "6"
    & skf21("1","1","4","5","4","6","1","1") = "5"
    & skf21("1","1","4","5","4","6","2","1") = "5"
    & skf21("1","1","4","5","4","6","3","1") = "5"
    & skf21("1","1","4","5","4","6","4","1") = "5"
    & skf21("1","1","4","5","4","6","5","1") = "5"
    & skf21("1","1","4","5","4","6","6","1") = "5"
    & skf21("1","1","4","5","4","6","7","1") = "6"
    & skf21("1","1","4","5","4","7","1","1") = "6"
    & skf21("1","1","4","5","4","7","2","1") = "6"
    & skf21("1","1","4","5","4","7","3","1") = "6"
    & skf21("1","1","4","5","4","7","4","1") = "6"
    & skf21("1","1","4","5","4","7","5","1") = "6"
    & skf21("1","1","4","5","4","7","6","1") = "6"
    & skf21("1","1","4","5","4","7","7","1") = "6"
    & skf21("1","1","4","5","5","1","1","1") = "4"
    & skf21("1","1","4","5","5","1","2","1") = "4"
    & skf21("1","1","4","5","5","1","3","1") = "4"
    & skf21("1","1","4","5","5","1","4","1") = "4"
    & skf21("1","1","4","5","5","1","5","1") = "4"
    & skf21("1","1","4","5","5","1","6","1") = "5"
    & skf21("1","1","4","5","5","1","7","1") = "6"
    & skf21("1","1","4","5","5","2","1","1") = "4"
    & skf21("1","1","4","5","5","2","2","1") = "4"
    & skf21("1","1","4","5","5","2","3","1") = "4"
    & skf21("1","1","4","5","5","2","4","1") = "4"
    & skf21("1","1","4","5","5","2","5","1") = "4"
    & skf21("1","1","4","5","5","2","6","1") = "5"
    & skf21("1","1","4","5","5","2","7","1") = "6"
    & skf21("1","1","4","5","5","3","1","1") = "4"
    & skf21("1","1","4","5","5","3","2","1") = "4"
    & skf21("1","1","4","5","5","3","3","1") = "4"
    & skf21("1","1","4","5","5","3","4","1") = "4"
    & skf21("1","1","4","5","5","3","5","1") = "4"
    & skf21("1","1","4","5","5","3","6","1") = "5"
    & skf21("1","1","4","5","5","3","7","1") = "6"
    & skf21("1","1","4","5","5","4","1","1") = "4"
    & skf21("1","1","4","5","5","4","2","1") = "4"
    & skf21("1","1","4","5","5","4","3","1") = "4"
    & skf21("1","1","4","5","5","4","4","1") = "4"
    & skf21("1","1","4","5","5","4","5","1") = "4"
    & skf21("1","1","4","5","5","4","6","1") = "5"
    & skf21("1","1","4","5","5","4","7","1") = "6"
    & skf21("1","1","4","5","5","5","1","1") = "4"
    & skf21("1","1","4","5","5","5","2","1") = "4"
    & skf21("1","1","4","5","5","5","3","1") = "4"
    & skf21("1","1","4","5","5","5","4","1") = "4"
    & skf21("1","1","4","5","5","5","5","1") = "4"
    & skf21("1","1","4","5","5","5","6","1") = "5"
    & skf21("1","1","4","5","5","5","7","1") = "6"
    & skf21("1","1","4","5","5","6","1","1") = "5"
    & skf21("1","1","4","5","5","6","2","1") = "5"
    & skf21("1","1","4","5","5","6","3","1") = "5"
    & skf21("1","1","4","5","5","6","4","1") = "5"
    & skf21("1","1","4","5","5","6","5","1") = "5"
    & skf21("1","1","4","5","5","6","6","1") = "5"
    & skf21("1","1","4","5","5","6","7","1") = "6"
    & skf21("1","1","4","5","5","7","1","1") = "6"
    & skf21("1","1","4","5","5","7","2","1") = "6"
    & skf21("1","1","4","5","5","7","3","1") = "6"
    & skf21("1","1","4","5","5","7","4","1") = "6"
    & skf21("1","1","4","5","5","7","5","1") = "6"
    & skf21("1","1","4","5","5","7","6","1") = "6"
    & skf21("1","1","4","5","5","7","7","1") = "6"
    & skf21("1","1","4","5","6","1","1","1") = "5"
    & skf21("1","1","4","5","6","1","2","1") = "5"
    & skf21("1","1","4","5","6","1","3","1") = "5"
    & skf21("1","1","4","5","6","1","4","1") = "5"
    & skf21("1","1","4","5","6","1","5","1") = "5"
    & skf21("1","1","4","5","6","1","6","1") = "5"
    & skf21("1","1","4","5","6","1","7","1") = "6"
    & skf21("1","1","4","5","6","2","1","1") = "5"
    & skf21("1","1","4","5","6","2","2","1") = "5"
    & skf21("1","1","4","5","6","2","3","1") = "5"
    & skf21("1","1","4","5","6","2","4","1") = "5"
    & skf21("1","1","4","5","6","2","5","1") = "5"
    & skf21("1","1","4","5","6","2","6","1") = "5"
    & skf21("1","1","4","5","6","2","7","1") = "6"
    & skf21("1","1","4","5","6","3","1","1") = "5"
    & skf21("1","1","4","5","6","3","2","1") = "5"
    & skf21("1","1","4","5","6","3","3","1") = "5"
    & skf21("1","1","4","5","6","3","4","1") = "5"
    & skf21("1","1","4","5","6","3","5","1") = "5"
    & skf21("1","1","4","5","6","3","6","1") = "5"
    & skf21("1","1","4","5","6","3","7","1") = "6"
    & skf21("1","1","4","5","6","4","1","1") = "5"
    & skf21("1","1","4","5","6","4","2","1") = "5"
    & skf21("1","1","4","5","6","4","3","1") = "5"
    & skf21("1","1","4","5","6","4","4","1") = "5"
    & skf21("1","1","4","5","6","4","5","1") = "5"
    & skf21("1","1","4","5","6","4","6","1") = "5"
    & skf21("1","1","4","5","6","4","7","1") = "6"
    & skf21("1","1","4","5","6","5","1","1") = "5"
    & skf21("1","1","4","5","6","5","2","1") = "5"
    & skf21("1","1","4","5","6","5","3","1") = "5"
    & skf21("1","1","4","5","6","5","4","1") = "5"
    & skf21("1","1","4","5","6","5","5","1") = "5"
    & skf21("1","1","4","5","6","5","6","1") = "5"
    & skf21("1","1","4","5","6","5","7","1") = "6"
    & skf21("1","1","4","5","6","6","1","1") = "5"
    & skf21("1","1","4","5","6","6","2","1") = "5"
    & skf21("1","1","4","5","6","6","3","1") = "5"
    & skf21("1","1","4","5","6","6","4","1") = "5"
    & skf21("1","1","4","5","6","6","5","1") = "5"
    & skf21("1","1","4","5","6","6","6","1") = "5"
    & skf21("1","1","4","5","6","6","7","1") = "6"
    & skf21("1","1","4","5","6","7","1","1") = "6"
    & skf21("1","1","4","5","6","7","2","1") = "6"
    & skf21("1","1","4","5","6","7","3","1") = "6"
    & skf21("1","1","4","5","6","7","4","1") = "6"
    & skf21("1","1","4","5","6","7","5","1") = "6"
    & skf21("1","1","4","5","6","7","6","1") = "6"
    & skf21("1","1","4","5","6","7","7","1") = "6"
    & skf21("1","1","4","5","7","1","1","1") = "6"
    & skf21("1","1","4","5","7","1","2","1") = "6"
    & skf21("1","1","4","5","7","1","3","1") = "6"
    & skf21("1","1","4","5","7","1","4","1") = "6"
    & skf21("1","1","4","5","7","1","5","1") = "6"
    & skf21("1","1","4","5","7","1","6","1") = "6"
    & skf21("1","1","4","5","7","1","7","1") = "6"
    & skf21("1","1","4","5","7","2","1","1") = "6"
    & skf21("1","1","4","5","7","2","2","1") = "6"
    & skf21("1","1","4","5","7","2","3","1") = "6"
    & skf21("1","1","4","5","7","2","4","1") = "6"
    & skf21("1","1","4","5","7","2","5","1") = "6"
    & skf21("1","1","4","5","7","2","6","1") = "6"
    & skf21("1","1","4","5","7","2","7","1") = "6"
    & skf21("1","1","4","5","7","3","1","1") = "6"
    & skf21("1","1","4","5","7","3","2","1") = "6"
    & skf21("1","1","4","5","7","3","3","1") = "6"
    & skf21("1","1","4","5","7","3","4","1") = "6"
    & skf21("1","1","4","5","7","3","5","1") = "6"
    & skf21("1","1","4","5","7","3","6","1") = "6"
    & skf21("1","1","4","5","7","3","7","1") = "6"
    & skf21("1","1","4","5","7","4","1","1") = "6"
    & skf21("1","1","4","5","7","4","2","1") = "6"
    & skf21("1","1","4","5","7","4","3","1") = "6"
    & skf21("1","1","4","5","7","4","4","1") = "6"
    & skf21("1","1","4","5","7","4","5","1") = "6"
    & skf21("1","1","4","5","7","4","6","1") = "6"
    & skf21("1","1","4","5","7","4","7","1") = "6"
    & skf21("1","1","4","5","7","5","1","1") = "6"
    & skf21("1","1","4","5","7","5","2","1") = "6"
    & skf21("1","1","4","5","7","5","3","1") = "6"
    & skf21("1","1","4","5","7","5","4","1") = "6"
    & skf21("1","1","4","5","7","5","5","1") = "6"
    & skf21("1","1","4","5","7","5","6","1") = "6"
    & skf21("1","1","4","5","7","5","7","1") = "6"
    & skf21("1","1","4","5","7","6","1","1") = "6"
    & skf21("1","1","4","5","7","6","2","1") = "6"
    & skf21("1","1","4","5","7","6","3","1") = "6"
    & skf21("1","1","4","5","7","6","4","1") = "6"
    & skf21("1","1","4","5","7","6","5","1") = "6"
    & skf21("1","1","4","5","7","6","6","1") = "6"
    & skf21("1","1","4","5","7","6","7","1") = "6"
    & skf21("1","1","4","5","7","7","1","1") = "6"
    & skf21("1","1","4","5","7","7","2","1") = "6"
    & skf21("1","1","4","5","7","7","3","1") = "6"
    & skf21("1","1","4","5","7","7","4","1") = "6"
    & skf21("1","1","4","5","7","7","5","1") = "6"
    & skf21("1","1","4","5","7","7","6","1") = "6"
    & skf21("1","1","4","5","7","7","7","1") = "6"
    & skf21("1","1","4","6","1","1","1","1") = "5"
    & skf21("1","1","4","6","1","1","2","1") = "5"
    & skf21("1","1","4","6","1","1","3","1") = "5"
    & skf21("1","1","4","6","1","1","4","1") = "5"
    & skf21("1","1","4","6","1","1","5","1") = "5"
    & skf21("1","1","4","6","1","1","6","1") = "5"
    & skf21("1","1","4","6","1","1","7","1") = "6"
    & skf21("1","1","4","6","1","2","1","1") = "5"
    & skf21("1","1","4","6","1","2","2","1") = "5"
    & skf21("1","1","4","6","1","2","3","1") = "5"
    & skf21("1","1","4","6","1","2","4","1") = "5"
    & skf21("1","1","4","6","1","2","5","1") = "5"
    & skf21("1","1","4","6","1","2","6","1") = "5"
    & skf21("1","1","4","6","1","2","7","1") = "6"
    & skf21("1","1","4","6","1","3","1","1") = "5"
    & skf21("1","1","4","6","1","3","2","1") = "5"
    & skf21("1","1","4","6","1","3","3","1") = "5"
    & skf21("1","1","4","6","1","3","4","1") = "5"
    & skf21("1","1","4","6","1","3","5","1") = "5"
    & skf21("1","1","4","6","1","3","6","1") = "5"
    & skf21("1","1","4","6","1","3","7","1") = "6"
    & skf21("1","1","4","6","1","4","1","1") = "5"
    & skf21("1","1","4","6","1","4","2","1") = "5"
    & skf21("1","1","4","6","1","4","3","1") = "5"
    & skf21("1","1","4","6","1","4","4","1") = "5"
    & skf21("1","1","4","6","1","4","5","1") = "5"
    & skf21("1","1","4","6","1","4","6","1") = "5"
    & skf21("1","1","4","6","1","4","7","1") = "6"
    & skf21("1","1","4","6","1","5","1","1") = "5"
    & skf21("1","1","4","6","1","5","2","1") = "5"
    & skf21("1","1","4","6","1","5","3","1") = "5"
    & skf21("1","1","4","6","1","5","4","1") = "5"
    & skf21("1","1","4","6","1","5","5","1") = "5"
    & skf21("1","1","4","6","1","5","6","1") = "5"
    & skf21("1","1","4","6","1","5","7","1") = "6"
    & skf21("1","1","4","6","1","6","1","1") = "5"
    & skf21("1","1","4","6","1","6","2","1") = "5"
    & skf21("1","1","4","6","1","6","3","1") = "5"
    & skf21("1","1","4","6","1","6","4","1") = "5"
    & skf21("1","1","4","6","1","6","5","1") = "5"
    & skf21("1","1","4","6","1","6","6","1") = "5"
    & skf21("1","1","4","6","1","6","7","1") = "6"
    & skf21("1","1","4","6","1","7","1","1") = "6"
    & skf21("1","1","4","6","1","7","2","1") = "6"
    & skf21("1","1","4","6","1","7","3","1") = "6"
    & skf21("1","1","4","6","1","7","4","1") = "6"
    & skf21("1","1","4","6","1","7","5","1") = "6"
    & skf21("1","1","4","6","1","7","6","1") = "6"
    & skf21("1","1","4","6","1","7","7","1") = "6"
    & skf21("1","1","4","6","2","1","1","1") = "5"
    & skf21("1","1","4","6","2","1","2","1") = "5"
    & skf21("1","1","4","6","2","1","3","1") = "5"
    & skf21("1","1","4","6","2","1","4","1") = "5"
    & skf21("1","1","4","6","2","1","5","1") = "5"
    & skf21("1","1","4","6","2","1","6","1") = "5"
    & skf21("1","1","4","6","2","1","7","1") = "6"
    & skf21("1","1","4","6","2","2","1","1") = "5"
    & skf21("1","1","4","6","2","2","2","1") = "5"
    & skf21("1","1","4","6","2","2","3","1") = "5"
    & skf21("1","1","4","6","2","2","4","1") = "5"
    & skf21("1","1","4","6","2","2","5","1") = "5"
    & skf21("1","1","4","6","2","2","6","1") = "5"
    & skf21("1","1","4","6","2","2","7","1") = "6"
    & skf21("1","1","4","6","2","3","1","1") = "5"
    & skf21("1","1","4","6","2","3","2","1") = "5"
    & skf21("1","1","4","6","2","3","3","1") = "5"
    & skf21("1","1","4","6","2","3","4","1") = "5"
    & skf21("1","1","4","6","2","3","5","1") = "5"
    & skf21("1","1","4","6","2","3","6","1") = "5"
    & skf21("1","1","4","6","2","3","7","1") = "6"
    & skf21("1","1","4","6","2","4","1","1") = "5"
    & skf21("1","1","4","6","2","4","2","1") = "5"
    & skf21("1","1","4","6","2","4","3","1") = "5"
    & skf21("1","1","4","6","2","4","4","1") = "5"
    & skf21("1","1","4","6","2","4","5","1") = "5"
    & skf21("1","1","4","6","2","4","6","1") = "5"
    & skf21("1","1","4","6","2","4","7","1") = "6"
    & skf21("1","1","4","6","2","5","1","1") = "5"
    & skf21("1","1","4","6","2","5","2","1") = "5"
    & skf21("1","1","4","6","2","5","3","1") = "5"
    & skf21("1","1","4","6","2","5","4","1") = "5"
    & skf21("1","1","4","6","2","5","5","1") = "5"
    & skf21("1","1","4","6","2","5","6","1") = "5"
    & skf21("1","1","4","6","2","5","7","1") = "6"
    & skf21("1","1","4","6","2","6","1","1") = "5"
    & skf21("1","1","4","6","2","6","2","1") = "5"
    & skf21("1","1","4","6","2","6","3","1") = "5"
    & skf21("1","1","4","6","2","6","4","1") = "5"
    & skf21("1","1","4","6","2","6","5","1") = "5"
    & skf21("1","1","4","6","2","6","6","1") = "5"
    & skf21("1","1","4","6","2","6","7","1") = "6"
    & skf21("1","1","4","6","2","7","1","1") = "6"
    & skf21("1","1","4","6","2","7","2","1") = "6"
    & skf21("1","1","4","6","2","7","3","1") = "6"
    & skf21("1","1","4","6","2","7","4","1") = "6"
    & skf21("1","1","4","6","2","7","5","1") = "6"
    & skf21("1","1","4","6","2","7","6","1") = "6"
    & skf21("1","1","4","6","2","7","7","1") = "6"
    & skf21("1","1","4","6","3","1","1","1") = "5"
    & skf21("1","1","4","6","3","1","2","1") = "5"
    & skf21("1","1","4","6","3","1","3","1") = "5"
    & skf21("1","1","4","6","3","1","4","1") = "5"
    & skf21("1","1","4","6","3","1","5","1") = "5"
    & skf21("1","1","4","6","3","1","6","1") = "5"
    & skf21("1","1","4","6","3","1","7","1") = "6"
    & skf21("1","1","4","6","3","2","1","1") = "5"
    & skf21("1","1","4","6","3","2","2","1") = "5"
    & skf21("1","1","4","6","3","2","3","1") = "5"
    & skf21("1","1","4","6","3","2","4","1") = "5"
    & skf21("1","1","4","6","3","2","5","1") = "5"
    & skf21("1","1","4","6","3","2","6","1") = "5"
    & skf21("1","1","4","6","3","2","7","1") = "6"
    & skf21("1","1","4","6","3","3","1","1") = "5"
    & skf21("1","1","4","6","3","3","2","1") = "5"
    & skf21("1","1","4","6","3","3","3","1") = "5"
    & skf21("1","1","4","6","3","3","4","1") = "5"
    & skf21("1","1","4","6","3","3","5","1") = "5"
    & skf21("1","1","4","6","3","3","6","1") = "5"
    & skf21("1","1","4","6","3","3","7","1") = "6"
    & skf21("1","1","4","6","3","4","1","1") = "5"
    & skf21("1","1","4","6","3","4","2","1") = "5"
    & skf21("1","1","4","6","3","4","3","1") = "5"
    & skf21("1","1","4","6","3","4","4","1") = "5"
    & skf21("1","1","4","6","3","4","5","1") = "5"
    & skf21("1","1","4","6","3","4","6","1") = "5"
    & skf21("1","1","4","6","3","4","7","1") = "6"
    & skf21("1","1","4","6","3","5","1","1") = "5"
    & skf21("1","1","4","6","3","5","2","1") = "5"
    & skf21("1","1","4","6","3","5","3","1") = "5"
    & skf21("1","1","4","6","3","5","4","1") = "5"
    & skf21("1","1","4","6","3","5","5","1") = "5"
    & skf21("1","1","4","6","3","5","6","1") = "5"
    & skf21("1","1","4","6","3","5","7","1") = "6"
    & skf21("1","1","4","6","3","6","1","1") = "5"
    & skf21("1","1","4","6","3","6","2","1") = "5"
    & skf21("1","1","4","6","3","6","3","1") = "5"
    & skf21("1","1","4","6","3","6","4","1") = "5"
    & skf21("1","1","4","6","3","6","5","1") = "5"
    & skf21("1","1","4","6","3","6","6","1") = "5"
    & skf21("1","1","4","6","3","6","7","1") = "6"
    & skf21("1","1","4","6","3","7","1","1") = "6"
    & skf21("1","1","4","6","3","7","2","1") = "6"
    & skf21("1","1","4","6","3","7","3","1") = "6"
    & skf21("1","1","4","6","3","7","4","1") = "6"
    & skf21("1","1","4","6","3","7","5","1") = "6"
    & skf21("1","1","4","6","3","7","6","1") = "6"
    & skf21("1","1","4","6","3","7","7","1") = "6"
    & skf21("1","1","4","6","4","1","1","1") = "5"
    & skf21("1","1","4","6","4","1","2","1") = "5"
    & skf21("1","1","4","6","4","1","3","1") = "5"
    & skf21("1","1","4","6","4","1","4","1") = "5"
    & skf21("1","1","4","6","4","1","5","1") = "5"
    & skf21("1","1","4","6","4","1","6","1") = "5"
    & skf21("1","1","4","6","4","1","7","1") = "6"
    & skf21("1","1","4","6","4","2","1","1") = "5"
    & skf21("1","1","4","6","4","2","2","1") = "5"
    & skf21("1","1","4","6","4","2","3","1") = "5"
    & skf21("1","1","4","6","4","2","4","1") = "5"
    & skf21("1","1","4","6","4","2","5","1") = "5"
    & skf21("1","1","4","6","4","2","6","1") = "5"
    & skf21("1","1","4","6","4","2","7","1") = "6"
    & skf21("1","1","4","6","4","3","1","1") = "5"
    & skf21("1","1","4","6","4","3","2","1") = "5"
    & skf21("1","1","4","6","4","3","3","1") = "5"
    & skf21("1","1","4","6","4","3","4","1") = "5"
    & skf21("1","1","4","6","4","3","5","1") = "5"
    & skf21("1","1","4","6","4","3","6","1") = "5"
    & skf21("1","1","4","6","4","3","7","1") = "6"
    & skf21("1","1","4","6","4","4","1","1") = "5"
    & skf21("1","1","4","6","4","4","2","1") = "5"
    & skf21("1","1","4","6","4","4","3","1") = "5"
    & skf21("1","1","4","6","4","4","4","1") = "5"
    & skf21("1","1","4","6","4","4","5","1") = "5"
    & skf21("1","1","4","6","4","4","6","1") = "5"
    & skf21("1","1","4","6","4","4","7","1") = "6"
    & skf21("1","1","4","6","4","5","1","1") = "5"
    & skf21("1","1","4","6","4","5","2","1") = "5"
    & skf21("1","1","4","6","4","5","3","1") = "5"
    & skf21("1","1","4","6","4","5","4","1") = "5"
    & skf21("1","1","4","6","4","5","5","1") = "5"
    & skf21("1","1","4","6","4","5","6","1") = "5"
    & skf21("1","1","4","6","4","5","7","1") = "6"
    & skf21("1","1","4","6","4","6","1","1") = "5"
    & skf21("1","1","4","6","4","6","2","1") = "5"
    & skf21("1","1","4","6","4","6","3","1") = "5"
    & skf21("1","1","4","6","4","6","4","1") = "5"
    & skf21("1","1","4","6","4","6","5","1") = "5"
    & skf21("1","1","4","6","4","6","6","1") = "5"
    & skf21("1","1","4","6","4","6","7","1") = "6"
    & skf21("1","1","4","6","4","7","1","1") = "6"
    & skf21("1","1","4","6","4","7","2","1") = "6"
    & skf21("1","1","4","6","4","7","3","1") = "6"
    & skf21("1","1","4","6","4","7","4","1") = "6"
    & skf21("1","1","4","6","4","7","5","1") = "6"
    & skf21("1","1","4","6","4","7","6","1") = "6"
    & skf21("1","1","4","6","4","7","7","1") = "6"
    & skf21("1","1","4","6","5","1","1","1") = "5"
    & skf21("1","1","4","6","5","1","2","1") = "5"
    & skf21("1","1","4","6","5","1","3","1") = "5"
    & skf21("1","1","4","6","5","1","4","1") = "5"
    & skf21("1","1","4","6","5","1","5","1") = "5"
    & skf21("1","1","4","6","5","1","6","1") = "5"
    & skf21("1","1","4","6","5","1","7","1") = "6"
    & skf21("1","1","4","6","5","2","1","1") = "5"
    & skf21("1","1","4","6","5","2","2","1") = "5"
    & skf21("1","1","4","6","5","2","3","1") = "5"
    & skf21("1","1","4","6","5","2","4","1") = "5"
    & skf21("1","1","4","6","5","2","5","1") = "5"
    & skf21("1","1","4","6","5","2","6","1") = "5"
    & skf21("1","1","4","6","5","2","7","1") = "6"
    & skf21("1","1","4","6","5","3","1","1") = "5"
    & skf21("1","1","4","6","5","3","2","1") = "5"
    & skf21("1","1","4","6","5","3","3","1") = "5"
    & skf21("1","1","4","6","5","3","4","1") = "5"
    & skf21("1","1","4","6","5","3","5","1") = "5"
    & skf21("1","1","4","6","5","3","6","1") = "5"
    & skf21("1","1","4","6","5","3","7","1") = "6"
    & skf21("1","1","4","6","5","4","1","1") = "5"
    & skf21("1","1","4","6","5","4","2","1") = "5"
    & skf21("1","1","4","6","5","4","3","1") = "5"
    & skf21("1","1","4","6","5","4","4","1") = "5"
    & skf21("1","1","4","6","5","4","5","1") = "5"
    & skf21("1","1","4","6","5","4","6","1") = "5"
    & skf21("1","1","4","6","5","4","7","1") = "6"
    & skf21("1","1","4","6","5","5","1","1") = "5"
    & skf21("1","1","4","6","5","5","2","1") = "5"
    & skf21("1","1","4","6","5","5","3","1") = "5"
    & skf21("1","1","4","6","5","5","4","1") = "5"
    & skf21("1","1","4","6","5","5","5","1") = "5"
    & skf21("1","1","4","6","5","5","6","1") = "5"
    & skf21("1","1","4","6","5","5","7","1") = "6"
    & skf21("1","1","4","6","5","6","1","1") = "5"
    & skf21("1","1","4","6","5","6","2","1") = "5"
    & skf21("1","1","4","6","5","6","3","1") = "5"
    & skf21("1","1","4","6","5","6","4","1") = "5"
    & skf21("1","1","4","6","5","6","5","1") = "5"
    & skf21("1","1","4","6","5","6","6","1") = "5"
    & skf21("1","1","4","6","5","6","7","1") = "6"
    & skf21("1","1","4","6","5","7","1","1") = "6"
    & skf21("1","1","4","6","5","7","2","1") = "6"
    & skf21("1","1","4","6","5","7","3","1") = "6"
    & skf21("1","1","4","6","5","7","4","1") = "6"
    & skf21("1","1","4","6","5","7","5","1") = "6"
    & skf21("1","1","4","6","5","7","6","1") = "6"
    & skf21("1","1","4","6","5","7","7","1") = "6"
    & skf21("1","1","4","6","6","1","1","1") = "5"
    & skf21("1","1","4","6","6","1","2","1") = "5"
    & skf21("1","1","4","6","6","1","3","1") = "5"
    & skf21("1","1","4","6","6","1","4","1") = "5"
    & skf21("1","1","4","6","6","1","5","1") = "5"
    & skf21("1","1","4","6","6","1","6","1") = "5"
    & skf21("1","1","4","6","6","1","7","1") = "6"
    & skf21("1","1","4","6","6","2","1","1") = "5"
    & skf21("1","1","4","6","6","2","2","1") = "5"
    & skf21("1","1","4","6","6","2","3","1") = "5"
    & skf21("1","1","4","6","6","2","4","1") = "5"
    & skf21("1","1","4","6","6","2","5","1") = "5"
    & skf21("1","1","4","6","6","2","6","1") = "5"
    & skf21("1","1","4","6","6","2","7","1") = "6"
    & skf21("1","1","4","6","6","3","1","1") = "5"
    & skf21("1","1","4","6","6","3","2","1") = "5"
    & skf21("1","1","4","6","6","3","3","1") = "5"
    & skf21("1","1","4","6","6","3","4","1") = "5"
    & skf21("1","1","4","6","6","3","5","1") = "5"
    & skf21("1","1","4","6","6","3","6","1") = "5"
    & skf21("1","1","4","6","6","3","7","1") = "6"
    & skf21("1","1","4","6","6","4","1","1") = "5"
    & skf21("1","1","4","6","6","4","2","1") = "5"
    & skf21("1","1","4","6","6","4","3","1") = "5"
    & skf21("1","1","4","6","6","4","4","1") = "5"
    & skf21("1","1","4","6","6","4","5","1") = "5"
    & skf21("1","1","4","6","6","4","6","1") = "5"
    & skf21("1","1","4","6","6","4","7","1") = "6"
    & skf21("1","1","4","6","6","5","1","1") = "5"
    & skf21("1","1","4","6","6","5","2","1") = "5"
    & skf21("1","1","4","6","6","5","3","1") = "5"
    & skf21("1","1","4","6","6","5","4","1") = "5"
    & skf21("1","1","4","6","6","5","5","1") = "5"
    & skf21("1","1","4","6","6","5","6","1") = "5"
    & skf21("1","1","4","6","6","5","7","1") = "6"
    & skf21("1","1","4","6","6","6","1","1") = "5"
    & skf21("1","1","4","6","6","6","2","1") = "5"
    & skf21("1","1","4","6","6","6","3","1") = "5"
    & skf21("1","1","4","6","6","6","4","1") = "5"
    & skf21("1","1","4","6","6","6","5","1") = "5"
    & skf21("1","1","4","6","6","6","6","1") = "5"
    & skf21("1","1","4","6","6","6","7","1") = "6"
    & skf21("1","1","4","6","6","7","1","1") = "6"
    & skf21("1","1","4","6","6","7","2","1") = "6"
    & skf21("1","1","4","6","6","7","3","1") = "6"
    & skf21("1","1","4","6","6","7","4","1") = "6"
    & skf21("1","1","4","6","6","7","5","1") = "6"
    & skf21("1","1","4","6","6","7","6","1") = "6"
    & skf21("1","1","4","6","6","7","7","1") = "6"
    & skf21("1","1","4","6","7","1","1","1") = "6"
    & skf21("1","1","4","6","7","1","2","1") = "6"
    & skf21("1","1","4","6","7","1","3","1") = "6"
    & skf21("1","1","4","6","7","1","4","1") = "6"
    & skf21("1","1","4","6","7","1","5","1") = "6"
    & skf21("1","1","4","6","7","1","6","1") = "6"
    & skf21("1","1","4","6","7","1","7","1") = "6"
    & skf21("1","1","4","6","7","2","1","1") = "6"
    & skf21("1","1","4","6","7","2","2","1") = "6"
    & skf21("1","1","4","6","7","2","3","1") = "6"
    & skf21("1","1","4","6","7","2","4","1") = "6"
    & skf21("1","1","4","6","7","2","5","1") = "6"
    & skf21("1","1","4","6","7","2","6","1") = "6"
    & skf21("1","1","4","6","7","2","7","1") = "6"
    & skf21("1","1","4","6","7","3","1","1") = "6"
    & skf21("1","1","4","6","7","3","2","1") = "6"
    & skf21("1","1","4","6","7","3","3","1") = "6"
    & skf21("1","1","4","6","7","3","4","1") = "6"
    & skf21("1","1","4","6","7","3","5","1") = "6"
    & skf21("1","1","4","6","7","3","6","1") = "6"
    & skf21("1","1","4","6","7","3","7","1") = "6"
    & skf21("1","1","4","6","7","4","1","1") = "6"
    & skf21("1","1","4","6","7","4","2","1") = "6"
    & skf21("1","1","4","6","7","4","3","1") = "6"
    & skf21("1","1","4","6","7","4","4","1") = "6"
    & skf21("1","1","4","6","7","4","5","1") = "6"
    & skf21("1","1","4","6","7","4","6","1") = "6"
    & skf21("1","1","4","6","7","4","7","1") = "6"
    & skf21("1","1","4","6","7","5","1","1") = "6"
    & skf21("1","1","4","6","7","5","2","1") = "6"
    & skf21("1","1","4","6","7","5","3","1") = "6"
    & skf21("1","1","4","6","7","5","4","1") = "6"
    & skf21("1","1","4","6","7","5","5","1") = "6"
    & skf21("1","1","4","6","7","5","6","1") = "6"
    & skf21("1","1","4","6","7","5","7","1") = "6"
    & skf21("1","1","4","6","7","6","1","1") = "6"
    & skf21("1","1","4","6","7","6","2","1") = "6"
    & skf21("1","1","4","6","7","6","3","1") = "6"
    & skf21("1","1","4","6","7","6","4","1") = "6"
    & skf21("1","1","4","6","7","6","5","1") = "6"
    & skf21("1","1","4","6","7","6","6","1") = "6"
    & skf21("1","1","4","6","7","6","7","1") = "6"
    & skf21("1","1","4","6","7","7","1","1") = "6"
    & skf21("1","1","4","6","7","7","2","1") = "6"
    & skf21("1","1","4","6","7","7","3","1") = "6"
    & skf21("1","1","4","6","7","7","4","1") = "6"
    & skf21("1","1","4","6","7","7","5","1") = "6"
    & skf21("1","1","4","6","7","7","6","1") = "6"
    & skf21("1","1","4","6","7","7","7","1") = "6"
    & skf21("1","1","4","7","1","1","1","1") = "6"
    & skf21("1","1","4","7","1","1","2","1") = "6"
    & skf21("1","1","4","7","1","1","3","1") = "6"
    & skf21("1","1","4","7","1","1","4","1") = "6"
    & skf21("1","1","4","7","1","1","5","1") = "6"
    & skf21("1","1","4","7","1","1","6","1") = "6"
    & skf21("1","1","4","7","1","1","7","1") = "6"
    & skf21("1","1","4","7","1","2","1","1") = "6"
    & skf21("1","1","4","7","1","2","2","1") = "6"
    & skf21("1","1","4","7","1","2","3","1") = "6"
    & skf21("1","1","4","7","1","2","4","1") = "6"
    & skf21("1","1","4","7","1","2","5","1") = "6"
    & skf21("1","1","4","7","1","2","6","1") = "6"
    & skf21("1","1","4","7","1","2","7","1") = "6"
    & skf21("1","1","4","7","1","3","1","1") = "6"
    & skf21("1","1","4","7","1","3","2","1") = "6"
    & skf21("1","1","4","7","1","3","3","1") = "6"
    & skf21("1","1","4","7","1","3","4","1") = "6"
    & skf21("1","1","4","7","1","3","5","1") = "6"
    & skf21("1","1","4","7","1","3","6","1") = "6"
    & skf21("1","1","4","7","1","3","7","1") = "6"
    & skf21("1","1","4","7","1","4","1","1") = "6"
    & skf21("1","1","4","7","1","4","2","1") = "6"
    & skf21("1","1","4","7","1","4","3","1") = "6"
    & skf21("1","1","4","7","1","4","4","1") = "6"
    & skf21("1","1","4","7","1","4","5","1") = "6"
    & skf21("1","1","4","7","1","4","6","1") = "6"
    & skf21("1","1","4","7","1","4","7","1") = "6"
    & skf21("1","1","4","7","1","5","1","1") = "6"
    & skf21("1","1","4","7","1","5","2","1") = "6"
    & skf21("1","1","4","7","1","5","3","1") = "6"
    & skf21("1","1","4","7","1","5","4","1") = "6"
    & skf21("1","1","4","7","1","5","5","1") = "6"
    & skf21("1","1","4","7","1","5","6","1") = "6"
    & skf21("1","1","4","7","1","5","7","1") = "6"
    & skf21("1","1","4","7","1","6","1","1") = "6"
    & skf21("1","1","4","7","1","6","2","1") = "6"
    & skf21("1","1","4","7","1","6","3","1") = "6"
    & skf21("1","1","4","7","1","6","4","1") = "6"
    & skf21("1","1","4","7","1","6","5","1") = "6"
    & skf21("1","1","4","7","1","6","6","1") = "6"
    & skf21("1","1","4","7","1","6","7","1") = "6"
    & skf21("1","1","4","7","1","7","1","1") = "6"
    & skf21("1","1","4","7","1","7","2","1") = "6"
    & skf21("1","1","4","7","1","7","3","1") = "6"
    & skf21("1","1","4","7","1","7","4","1") = "6"
    & skf21("1","1","4","7","1","7","5","1") = "6"
    & skf21("1","1","4","7","1","7","6","1") = "6"
    & skf21("1","1","4","7","1","7","7","1") = "6"
    & skf21("1","1","4","7","2","1","1","1") = "6"
    & skf21("1","1","4","7","2","1","2","1") = "6"
    & skf21("1","1","4","7","2","1","3","1") = "6"
    & skf21("1","1","4","7","2","1","4","1") = "6"
    & skf21("1","1","4","7","2","1","5","1") = "6"
    & skf21("1","1","4","7","2","1","6","1") = "6"
    & skf21("1","1","4","7","2","1","7","1") = "6"
    & skf21("1","1","4","7","2","2","1","1") = "6"
    & skf21("1","1","4","7","2","2","2","1") = "6"
    & skf21("1","1","4","7","2","2","3","1") = "6"
    & skf21("1","1","4","7","2","2","4","1") = "6"
    & skf21("1","1","4","7","2","2","5","1") = "6"
    & skf21("1","1","4","7","2","2","6","1") = "6"
    & skf21("1","1","4","7","2","2","7","1") = "6"
    & skf21("1","1","4","7","2","3","1","1") = "6"
    & skf21("1","1","4","7","2","3","2","1") = "6"
    & skf21("1","1","4","7","2","3","3","1") = "6"
    & skf21("1","1","4","7","2","3","4","1") = "6"
    & skf21("1","1","4","7","2","3","5","1") = "6"
    & skf21("1","1","4","7","2","3","6","1") = "6"
    & skf21("1","1","4","7","2","3","7","1") = "6"
    & skf21("1","1","4","7","2","4","1","1") = "6"
    & skf21("1","1","4","7","2","4","2","1") = "6"
    & skf21("1","1","4","7","2","4","3","1") = "6"
    & skf21("1","1","4","7","2","4","4","1") = "6"
    & skf21("1","1","4","7","2","4","5","1") = "6"
    & skf21("1","1","4","7","2","4","6","1") = "6"
    & skf21("1","1","4","7","2","4","7","1") = "6"
    & skf21("1","1","4","7","2","5","1","1") = "6"
    & skf21("1","1","4","7","2","5","2","1") = "6"
    & skf21("1","1","4","7","2","5","3","1") = "6"
    & skf21("1","1","4","7","2","5","4","1") = "6"
    & skf21("1","1","4","7","2","5","5","1") = "6"
    & skf21("1","1","4","7","2","5","6","1") = "6"
    & skf21("1","1","4","7","2","5","7","1") = "6"
    & skf21("1","1","4","7","2","6","1","1") = "6"
    & skf21("1","1","4","7","2","6","2","1") = "6"
    & skf21("1","1","4","7","2","6","3","1") = "6"
    & skf21("1","1","4","7","2","6","4","1") = "6"
    & skf21("1","1","4","7","2","6","5","1") = "6"
    & skf21("1","1","4","7","2","6","6","1") = "6"
    & skf21("1","1","4","7","2","6","7","1") = "6"
    & skf21("1","1","4","7","2","7","1","1") = "6"
    & skf21("1","1","4","7","2","7","2","1") = "6"
    & skf21("1","1","4","7","2","7","3","1") = "6"
    & skf21("1","1","4","7","2","7","4","1") = "6"
    & skf21("1","1","4","7","2","7","5","1") = "6"
    & skf21("1","1","4","7","2","7","6","1") = "6"
    & skf21("1","1","4","7","2","7","7","1") = "6"
    & skf21("1","1","4","7","3","1","1","1") = "6"
    & skf21("1","1","4","7","3","1","2","1") = "6"
    & skf21("1","1","4","7","3","1","3","1") = "6"
    & skf21("1","1","4","7","3","1","4","1") = "6"
    & skf21("1","1","4","7","3","1","5","1") = "6"
    & skf21("1","1","4","7","3","1","6","1") = "6"
    & skf21("1","1","4","7","3","1","7","1") = "6"
    & skf21("1","1","4","7","3","2","1","1") = "6"
    & skf21("1","1","4","7","3","2","2","1") = "6"
    & skf21("1","1","4","7","3","2","3","1") = "6"
    & skf21("1","1","4","7","3","2","4","1") = "6"
    & skf21("1","1","4","7","3","2","5","1") = "6"
    & skf21("1","1","4","7","3","2","6","1") = "6"
    & skf21("1","1","4","7","3","2","7","1") = "6"
    & skf21("1","1","4","7","3","3","1","1") = "6"
    & skf21("1","1","4","7","3","3","2","1") = "6"
    & skf21("1","1","4","7","3","3","3","1") = "6"
    & skf21("1","1","4","7","3","3","4","1") = "6"
    & skf21("1","1","4","7","3","3","5","1") = "6"
    & skf21("1","1","4","7","3","3","6","1") = "6"
    & skf21("1","1","4","7","3","3","7","1") = "6"
    & skf21("1","1","4","7","3","4","1","1") = "6"
    & skf21("1","1","4","7","3","4","2","1") = "6"
    & skf21("1","1","4","7","3","4","3","1") = "6"
    & skf21("1","1","4","7","3","4","4","1") = "6"
    & skf21("1","1","4","7","3","4","5","1") = "6"
    & skf21("1","1","4","7","3","4","6","1") = "6"
    & skf21("1","1","4","7","3","4","7","1") = "6"
    & skf21("1","1","4","7","3","5","1","1") = "6"
    & skf21("1","1","4","7","3","5","2","1") = "6"
    & skf21("1","1","4","7","3","5","3","1") = "6"
    & skf21("1","1","4","7","3","5","4","1") = "6"
    & skf21("1","1","4","7","3","5","5","1") = "6"
    & skf21("1","1","4","7","3","5","6","1") = "6"
    & skf21("1","1","4","7","3","5","7","1") = "6"
    & skf21("1","1","4","7","3","6","1","1") = "6"
    & skf21("1","1","4","7","3","6","2","1") = "6"
    & skf21("1","1","4","7","3","6","3","1") = "6"
    & skf21("1","1","4","7","3","6","4","1") = "6"
    & skf21("1","1","4","7","3","6","5","1") = "6"
    & skf21("1","1","4","7","3","6","6","1") = "6"
    & skf21("1","1","4","7","3","6","7","1") = "6"
    & skf21("1","1","4","7","3","7","1","1") = "6"
    & skf21("1","1","4","7","3","7","2","1") = "6"
    & skf21("1","1","4","7","3","7","3","1") = "6"
    & skf21("1","1","4","7","3","7","4","1") = "6"
    & skf21("1","1","4","7","3","7","5","1") = "6"
    & skf21("1","1","4","7","3","7","6","1") = "6"
    & skf21("1","1","4","7","3","7","7","1") = "6"
    & skf21("1","1","4","7","4","1","1","1") = "6"
    & skf21("1","1","4","7","4","1","2","1") = "6"
    & skf21("1","1","4","7","4","1","3","1") = "6"
    & skf21("1","1","4","7","4","1","4","1") = "6"
    & skf21("1","1","4","7","4","1","5","1") = "6"
    & skf21("1","1","4","7","4","1","6","1") = "6"
    & skf21("1","1","4","7","4","1","7","1") = "6"
    & skf21("1","1","4","7","4","2","1","1") = "6"
    & skf21("1","1","4","7","4","2","2","1") = "6"
    & skf21("1","1","4","7","4","2","3","1") = "6"
    & skf21("1","1","4","7","4","2","4","1") = "6"
    & skf21("1","1","4","7","4","2","5","1") = "6"
    & skf21("1","1","4","7","4","2","6","1") = "6"
    & skf21("1","1","4","7","4","2","7","1") = "6"
    & skf21("1","1","4","7","4","3","1","1") = "6"
    & skf21("1","1","4","7","4","3","2","1") = "6"
    & skf21("1","1","4","7","4","3","3","1") = "6"
    & skf21("1","1","4","7","4","3","4","1") = "6"
    & skf21("1","1","4","7","4","3","5","1") = "6"
    & skf21("1","1","4","7","4","3","6","1") = "6"
    & skf21("1","1","4","7","4","3","7","1") = "6"
    & skf21("1","1","4","7","4","4","1","1") = "6"
    & skf21("1","1","4","7","4","4","2","1") = "6"
    & skf21("1","1","4","7","4","4","3","1") = "6"
    & skf21("1","1","4","7","4","4","4","1") = "6"
    & skf21("1","1","4","7","4","4","5","1") = "6"
    & skf21("1","1","4","7","4","4","6","1") = "6"
    & skf21("1","1","4","7","4","4","7","1") = "6"
    & skf21("1","1","4","7","4","5","1","1") = "6"
    & skf21("1","1","4","7","4","5","2","1") = "6"
    & skf21("1","1","4","7","4","5","3","1") = "6"
    & skf21("1","1","4","7","4","5","4","1") = "6"
    & skf21("1","1","4","7","4","5","5","1") = "6"
    & skf21("1","1","4","7","4","5","6","1") = "6"
    & skf21("1","1","4","7","4","5","7","1") = "6"
    & skf21("1","1","4","7","4","6","1","1") = "6"
    & skf21("1","1","4","7","4","6","2","1") = "6"
    & skf21("1","1","4","7","4","6","3","1") = "6"
    & skf21("1","1","4","7","4","6","4","1") = "6"
    & skf21("1","1","4","7","4","6","5","1") = "6"
    & skf21("1","1","4","7","4","6","6","1") = "6"
    & skf21("1","1","4","7","4","6","7","1") = "6"
    & skf21("1","1","4","7","4","7","1","1") = "6"
    & skf21("1","1","4","7","4","7","2","1") = "6"
    & skf21("1","1","4","7","4","7","3","1") = "6"
    & skf21("1","1","4","7","4","7","4","1") = "6"
    & skf21("1","1","4","7","4","7","5","1") = "6"
    & skf21("1","1","4","7","4","7","6","1") = "6"
    & skf21("1","1","4","7","4","7","7","1") = "6"
    & skf21("1","1","4","7","5","1","1","1") = "6"
    & skf21("1","1","4","7","5","1","2","1") = "6"
    & skf21("1","1","4","7","5","1","3","1") = "6"
    & skf21("1","1","4","7","5","1","4","1") = "6"
    & skf21("1","1","4","7","5","1","5","1") = "6"
    & skf21("1","1","4","7","5","1","6","1") = "6"
    & skf21("1","1","4","7","5","1","7","1") = "6"
    & skf21("1","1","4","7","5","2","1","1") = "6"
    & skf21("1","1","4","7","5","2","2","1") = "6"
    & skf21("1","1","4","7","5","2","3","1") = "6"
    & skf21("1","1","4","7","5","2","4","1") = "6"
    & skf21("1","1","4","7","5","2","5","1") = "6"
    & skf21("1","1","4","7","5","2","6","1") = "6"
    & skf21("1","1","4","7","5","2","7","1") = "6"
    & skf21("1","1","4","7","5","3","1","1") = "6"
    & skf21("1","1","4","7","5","3","2","1") = "6"
    & skf21("1","1","4","7","5","3","3","1") = "6"
    & skf21("1","1","4","7","5","3","4","1") = "6"
    & skf21("1","1","4","7","5","3","5","1") = "6"
    & skf21("1","1","4","7","5","3","6","1") = "6"
    & skf21("1","1","4","7","5","3","7","1") = "6"
    & skf21("1","1","4","7","5","4","1","1") = "6"
    & skf21("1","1","4","7","5","4","2","1") = "6"
    & skf21("1","1","4","7","5","4","3","1") = "6"
    & skf21("1","1","4","7","5","4","4","1") = "6"
    & skf21("1","1","4","7","5","4","5","1") = "6"
    & skf21("1","1","4","7","5","4","6","1") = "6"
    & skf21("1","1","4","7","5","4","7","1") = "6"
    & skf21("1","1","4","7","5","5","1","1") = "6"
    & skf21("1","1","4","7","5","5","2","1") = "6"
    & skf21("1","1","4","7","5","5","3","1") = "6"
    & skf21("1","1","4","7","5","5","4","1") = "6"
    & skf21("1","1","4","7","5","5","5","1") = "6"
    & skf21("1","1","4","7","5","5","6","1") = "6"
    & skf21("1","1","4","7","5","5","7","1") = "6"
    & skf21("1","1","4","7","5","6","1","1") = "6"
    & skf21("1","1","4","7","5","6","2","1") = "6"
    & skf21("1","1","4","7","5","6","3","1") = "6"
    & skf21("1","1","4","7","5","6","4","1") = "6"
    & skf21("1","1","4","7","5","6","5","1") = "6"
    & skf21("1","1","4","7","5","6","6","1") = "6"
    & skf21("1","1","4","7","5","6","7","1") = "6"
    & skf21("1","1","4","7","5","7","1","1") = "6"
    & skf21("1","1","4","7","5","7","2","1") = "6"
    & skf21("1","1","4","7","5","7","3","1") = "6"
    & skf21("1","1","4","7","5","7","4","1") = "6"
    & skf21("1","1","4","7","5","7","5","1") = "6"
    & skf21("1","1","4","7","5","7","6","1") = "6"
    & skf21("1","1","4","7","5","7","7","1") = "6"
    & skf21("1","1","4","7","6","1","1","1") = "6"
    & skf21("1","1","4","7","6","1","2","1") = "6"
    & skf21("1","1","4","7","6","1","3","1") = "6"
    & skf21("1","1","4","7","6","1","4","1") = "6"
    & skf21("1","1","4","7","6","1","5","1") = "6"
    & skf21("1","1","4","7","6","1","6","1") = "6"
    & skf21("1","1","4","7","6","1","7","1") = "6"
    & skf21("1","1","4","7","6","2","1","1") = "6"
    & skf21("1","1","4","7","6","2","2","1") = "6"
    & skf21("1","1","4","7","6","2","3","1") = "6"
    & skf21("1","1","4","7","6","2","4","1") = "6"
    & skf21("1","1","4","7","6","2","5","1") = "6"
    & skf21("1","1","4","7","6","2","6","1") = "6"
    & skf21("1","1","4","7","6","2","7","1") = "6"
    & skf21("1","1","4","7","6","3","1","1") = "6"
    & skf21("1","1","4","7","6","3","2","1") = "6"
    & skf21("1","1","4","7","6","3","3","1") = "6"
    & skf21("1","1","4","7","6","3","4","1") = "6"
    & skf21("1","1","4","7","6","3","5","1") = "6"
    & skf21("1","1","4","7","6","3","6","1") = "6"
    & skf21("1","1","4","7","6","3","7","1") = "6"
    & skf21("1","1","4","7","6","4","1","1") = "6"
    & skf21("1","1","4","7","6","4","2","1") = "6"
    & skf21("1","1","4","7","6","4","3","1") = "6"
    & skf21("1","1","4","7","6","4","4","1") = "6"
    & skf21("1","1","4","7","6","4","5","1") = "6"
    & skf21("1","1","4","7","6","4","6","1") = "6"
    & skf21("1","1","4","7","6","4","7","1") = "6"
    & skf21("1","1","4","7","6","5","1","1") = "6"
    & skf21("1","1","4","7","6","5","2","1") = "6"
    & skf21("1","1","4","7","6","5","3","1") = "6"
    & skf21("1","1","4","7","6","5","4","1") = "6"
    & skf21("1","1","4","7","6","5","5","1") = "6"
    & skf21("1","1","4","7","6","5","6","1") = "6"
    & skf21("1","1","4","7","6","5","7","1") = "6"
    & skf21("1","1","4","7","6","6","1","1") = "6"
    & skf21("1","1","4","7","6","6","2","1") = "6"
    & skf21("1","1","4","7","6","6","3","1") = "6"
    & skf21("1","1","4","7","6","6","4","1") = "6"
    & skf21("1","1","4","7","6","6","5","1") = "6"
    & skf21("1","1","4","7","6","6","6","1") = "6"
    & skf21("1","1","4","7","6","6","7","1") = "6"
    & skf21("1","1","4","7","6","7","1","1") = "6"
    & skf21("1","1","4","7","6","7","2","1") = "6"
    & skf21("1","1","4","7","6","7","3","1") = "6"
    & skf21("1","1","4","7","6","7","4","1") = "6"
    & skf21("1","1","4","7","6","7","5","1") = "6"
    & skf21("1","1","4","7","6","7","6","1") = "6"
    & skf21("1","1","4","7","6","7","7","1") = "6"
    & skf21("1","1","4","7","7","1","1","1") = "6"
    & skf21("1","1","4","7","7","1","2","1") = "6"
    & skf21("1","1","4","7","7","1","3","1") = "6"
    & skf21("1","1","4","7","7","1","4","1") = "6"
    & skf21("1","1","4","7","7","1","5","1") = "6"
    & skf21("1","1","4","7","7","1","6","1") = "6"
    & skf21("1","1","4","7","7","1","7","1") = "6"
    & skf21("1","1","4","7","7","2","1","1") = "6"
    & skf21("1","1","4","7","7","2","2","1") = "6"
    & skf21("1","1","4","7","7","2","3","1") = "6"
    & skf21("1","1","4","7","7","2","4","1") = "6"
    & skf21("1","1","4","7","7","2","5","1") = "6"
    & skf21("1","1","4","7","7","2","6","1") = "6"
    & skf21("1","1","4","7","7","2","7","1") = "6"
    & skf21("1","1","4","7","7","3","1","1") = "6"
    & skf21("1","1","4","7","7","3","2","1") = "6"
    & skf21("1","1","4","7","7","3","3","1") = "6"
    & skf21("1","1","4","7","7","3","4","1") = "6"
    & skf21("1","1","4","7","7","3","5","1") = "6"
    & skf21("1","1","4","7","7","3","6","1") = "6"
    & skf21("1","1","4","7","7","3","7","1") = "6"
    & skf21("1","1","4","7","7","4","1","1") = "6"
    & skf21("1","1","4","7","7","4","2","1") = "6"
    & skf21("1","1","4","7","7","4","3","1") = "6"
    & skf21("1","1","4","7","7","4","4","1") = "6"
    & skf21("1","1","4","7","7","4","5","1") = "6"
    & skf21("1","1","4","7","7","4","6","1") = "6"
    & skf21("1","1","4","7","7","4","7","1") = "6"
    & skf21("1","1","4","7","7","5","1","1") = "6"
    & skf21("1","1","4","7","7","5","2","1") = "6"
    & skf21("1","1","4","7","7","5","3","1") = "6"
    & skf21("1","1","4","7","7","5","4","1") = "6"
    & skf21("1","1","4","7","7","5","5","1") = "6"
    & skf21("1","1","4","7","7","5","6","1") = "6"
    & skf21("1","1","4","7","7","5","7","1") = "6"
    & skf21("1","1","4","7","7","6","1","1") = "6"
    & skf21("1","1","4","7","7","6","2","1") = "6"
    & skf21("1","1","4","7","7","6","3","1") = "6"
    & skf21("1","1","4","7","7","6","4","1") = "6"
    & skf21("1","1","4","7","7","6","5","1") = "6"
    & skf21("1","1","4","7","7","6","6","1") = "6"
    & skf21("1","1","4","7","7","6","7","1") = "6"
    & skf21("1","1","4","7","7","7","1","1") = "6"
    & skf21("1","1","4","7","7","7","2","1") = "6"
    & skf21("1","1","4","7","7","7","3","1") = "6"
    & skf21("1","1","4","7","7","7","4","1") = "6"
    & skf21("1","1","4","7","7","7","5","1") = "6"
    & skf21("1","1","4","7","7","7","6","1") = "6"
    & skf21("1","1","4","7","7","7","7","1") = "6"
    & skf21("1","1","5","1","1","1","1","1") = "4"
    & skf21("1","1","5","1","1","1","2","1") = "4"
    & skf21("1","1","5","1","1","1","3","1") = "4"
    & skf21("1","1","5","1","1","1","4","1") = "4"
    & skf21("1","1","5","1","1","1","5","1") = "4"
    & skf21("1","1","5","1","1","1","6","1") = "5"
    & skf21("1","1","5","1","1","1","7","1") = "6"
    & skf21("1","1","5","1","1","2","1","1") = "4"
    & skf21("1","1","5","1","1","2","2","1") = "4"
    & skf21("1","1","5","1","1","2","3","1") = "4"
    & skf21("1","1","5","1","1","2","4","1") = "4"
    & skf21("1","1","5","1","1","2","5","1") = "4"
    & skf21("1","1","5","1","1","2","6","1") = "5"
    & skf21("1","1","5","1","1","2","7","1") = "6"
    & skf21("1","1","5","1","1","3","1","1") = "4"
    & skf21("1","1","5","1","1","3","2","1") = "4"
    & skf21("1","1","5","1","1","3","3","1") = "4"
    & skf21("1","1","5","1","1","3","4","1") = "4"
    & skf21("1","1","5","1","1","3","5","1") = "4"
    & skf21("1","1","5","1","1","3","6","1") = "5"
    & skf21("1","1","5","1","1","3","7","1") = "6"
    & skf21("1","1","5","1","1","4","1","1") = "4"
    & skf21("1","1","5","1","1","4","2","1") = "4"
    & skf21("1","1","5","1","1","4","3","1") = "4"
    & skf21("1","1","5","1","1","4","4","1") = "4"
    & skf21("1","1","5","1","1","4","5","1") = "4"
    & skf21("1","1","5","1","1","4","6","1") = "5"
    & skf21("1","1","5","1","1","4","7","1") = "6"
    & skf21("1","1","5","1","1","5","1","1") = "4"
    & skf21("1","1","5","1","1","5","2","1") = "4"
    & skf21("1","1","5","1","1","5","3","1") = "4"
    & skf21("1","1","5","1","1","5","4","1") = "4"
    & skf21("1","1","5","1","1","5","5","1") = "4"
    & skf21("1","1","5","1","1","5","6","1") = "5"
    & skf21("1","1","5","1","1","5","7","1") = "6"
    & skf21("1","1","5","1","1","6","1","1") = "5"
    & skf21("1","1","5","1","1","6","2","1") = "5"
    & skf21("1","1","5","1","1","6","3","1") = "5"
    & skf21("1","1","5","1","1","6","4","1") = "5"
    & skf21("1","1","5","1","1","6","5","1") = "5"
    & skf21("1","1","5","1","1","6","6","1") = "5"
    & skf21("1","1","5","1","1","6","7","1") = "6"
    & skf21("1","1","5","1","1","7","1","1") = "6"
    & skf21("1","1","5","1","1","7","2","1") = "6"
    & skf21("1","1","5","1","1","7","3","1") = "6"
    & skf21("1","1","5","1","1","7","4","1") = "6"
    & skf21("1","1","5","1","1","7","5","1") = "6"
    & skf21("1","1","5","1","1","7","6","1") = "6"
    & skf21("1","1","5","1","1","7","7","1") = "6"
    & skf21("1","1","5","1","2","1","1","1") = "4"
    & skf21("1","1","5","1","2","1","2","1") = "4"
    & skf21("1","1","5","1","2","1","3","1") = "4"
    & skf21("1","1","5","1","2","1","4","1") = "4"
    & skf21("1","1","5","1","2","1","5","1") = "4"
    & skf21("1","1","5","1","2","1","6","1") = "5"
    & skf21("1","1","5","1","2","1","7","1") = "6"
    & skf21("1","1","5","1","2","2","1","1") = "4"
    & skf21("1","1","5","1","2","2","2","1") = "4"
    & skf21("1","1","5","1","2","2","3","1") = "4"
    & skf21("1","1","5","1","2","2","4","1") = "4"
    & skf21("1","1","5","1","2","2","5","1") = "4"
    & skf21("1","1","5","1","2","2","6","1") = "5"
    & skf21("1","1","5","1","2","2","7","1") = "6"
    & skf21("1","1","5","1","2","3","1","1") = "4"
    & skf21("1","1","5","1","2","3","2","1") = "4"
    & skf21("1","1","5","1","2","3","3","1") = "4"
    & skf21("1","1","5","1","2","3","4","1") = "4"
    & skf21("1","1","5","1","2","3","5","1") = "4"
    & skf21("1","1","5","1","2","3","6","1") = "5"
    & skf21("1","1","5","1","2","3","7","1") = "6"
    & skf21("1","1","5","1","2","4","1","1") = "4"
    & skf21("1","1","5","1","2","4","2","1") = "4"
    & skf21("1","1","5","1","2","4","3","1") = "4"
    & skf21("1","1","5","1","2","4","4","1") = "4"
    & skf21("1","1","5","1","2","4","5","1") = "4"
    & skf21("1","1","5","1","2","4","6","1") = "5"
    & skf21("1","1","5","1","2","4","7","1") = "6"
    & skf21("1","1","5","1","2","5","1","1") = "4"
    & skf21("1","1","5","1","2","5","2","1") = "4"
    & skf21("1","1","5","1","2","5","3","1") = "4"
    & skf21("1","1","5","1","2","5","4","1") = "4"
    & skf21("1","1","5","1","2","5","5","1") = "4"
    & skf21("1","1","5","1","2","5","6","1") = "5"
    & skf21("1","1","5","1","2","5","7","1") = "6"
    & skf21("1","1","5","1","2","6","1","1") = "5"
    & skf21("1","1","5","1","2","6","2","1") = "5"
    & skf21("1","1","5","1","2","6","3","1") = "5"
    & skf21("1","1","5","1","2","6","4","1") = "5"
    & skf21("1","1","5","1","2","6","5","1") = "5"
    & skf21("1","1","5","1","2","6","6","1") = "5"
    & skf21("1","1","5","1","2","6","7","1") = "6"
    & skf21("1","1","5","1","2","7","1","1") = "6"
    & skf21("1","1","5","1","2","7","2","1") = "6"
    & skf21("1","1","5","1","2","7","3","1") = "6"
    & skf21("1","1","5","1","2","7","4","1") = "6"
    & skf21("1","1","5","1","2","7","5","1") = "6"
    & skf21("1","1","5","1","2","7","6","1") = "6"
    & skf21("1","1","5","1","2","7","7","1") = "6"
    & skf21("1","1","5","1","3","1","1","1") = "4"
    & skf21("1","1","5","1","3","1","2","1") = "4"
    & skf21("1","1","5","1","3","1","3","1") = "4"
    & skf21("1","1","5","1","3","1","4","1") = "4"
    & skf21("1","1","5","1","3","1","5","1") = "4"
    & skf21("1","1","5","1","3","1","6","1") = "5"
    & skf21("1","1","5","1","3","1","7","1") = "6"
    & skf21("1","1","5","1","3","2","1","1") = "4"
    & skf21("1","1","5","1","3","2","2","1") = "4"
    & skf21("1","1","5","1","3","2","3","1") = "4"
    & skf21("1","1","5","1","3","2","4","1") = "4"
    & skf21("1","1","5","1","3","2","5","1") = "4"
    & skf21("1","1","5","1","3","2","6","1") = "5"
    & skf21("1","1","5","1","3","2","7","1") = "6"
    & skf21("1","1","5","1","3","3","1","1") = "4"
    & skf21("1","1","5","1","3","3","2","1") = "4"
    & skf21("1","1","5","1","3","3","3","1") = "4"
    & skf21("1","1","5","1","3","3","4","1") = "4"
    & skf21("1","1","5","1","3","3","5","1") = "4"
    & skf21("1","1","5","1","3","3","6","1") = "5"
    & skf21("1","1","5","1","3","3","7","1") = "6"
    & skf21("1","1","5","1","3","4","1","1") = "4"
    & skf21("1","1","5","1","3","4","2","1") = "4"
    & skf21("1","1","5","1","3","4","3","1") = "4"
    & skf21("1","1","5","1","3","4","4","1") = "4"
    & skf21("1","1","5","1","3","4","5","1") = "4"
    & skf21("1","1","5","1","3","4","6","1") = "5"
    & skf21("1","1","5","1","3","4","7","1") = "6"
    & skf21("1","1","5","1","3","5","1","1") = "4"
    & skf21("1","1","5","1","3","5","2","1") = "4"
    & skf21("1","1","5","1","3","5","3","1") = "4"
    & skf21("1","1","5","1","3","5","4","1") = "4"
    & skf21("1","1","5","1","3","5","5","1") = "4"
    & skf21("1","1","5","1","3","5","6","1") = "5"
    & skf21("1","1","5","1","3","5","7","1") = "6"
    & skf21("1","1","5","1","3","6","1","1") = "5"
    & skf21("1","1","5","1","3","6","2","1") = "5"
    & skf21("1","1","5","1","3","6","3","1") = "5"
    & skf21("1","1","5","1","3","6","4","1") = "5"
    & skf21("1","1","5","1","3","6","5","1") = "5"
    & skf21("1","1","5","1","3","6","6","1") = "5"
    & skf21("1","1","5","1","3","6","7","1") = "6"
    & skf21("1","1","5","1","3","7","1","1") = "6"
    & skf21("1","1","5","1","3","7","2","1") = "6"
    & skf21("1","1","5","1","3","7","3","1") = "6"
    & skf21("1","1","5","1","3","7","4","1") = "6"
    & skf21("1","1","5","1","3","7","5","1") = "6"
    & skf21("1","1","5","1","3","7","6","1") = "6"
    & skf21("1","1","5","1","3","7","7","1") = "6"
    & skf21("1","1","5","1","4","1","1","1") = "4"
    & skf21("1","1","5","1","4","1","2","1") = "4"
    & skf21("1","1","5","1","4","1","3","1") = "4"
    & skf21("1","1","5","1","4","1","4","1") = "4"
    & skf21("1","1","5","1","4","1","5","1") = "4"
    & skf21("1","1","5","1","4","1","6","1") = "5"
    & skf21("1","1","5","1","4","1","7","1") = "6"
    & skf21("1","1","5","1","4","2","1","1") = "4"
    & skf21("1","1","5","1","4","2","2","1") = "4"
    & skf21("1","1","5","1","4","2","3","1") = "4"
    & skf21("1","1","5","1","4","2","4","1") = "4"
    & skf21("1","1","5","1","4","2","5","1") = "4"
    & skf21("1","1","5","1","4","2","6","1") = "5"
    & skf21("1","1","5","1","4","2","7","1") = "6"
    & skf21("1","1","5","1","4","3","1","1") = "4"
    & skf21("1","1","5","1","4","3","2","1") = "4"
    & skf21("1","1","5","1","4","3","3","1") = "4"
    & skf21("1","1","5","1","4","3","4","1") = "4"
    & skf21("1","1","5","1","4","3","5","1") = "4"
    & skf21("1","1","5","1","4","3","6","1") = "5"
    & skf21("1","1","5","1","4","3","7","1") = "6"
    & skf21("1","1","5","1","4","4","1","1") = "4"
    & skf21("1","1","5","1","4","4","2","1") = "4"
    & skf21("1","1","5","1","4","4","3","1") = "4"
    & skf21("1","1","5","1","4","4","4","1") = "4"
    & skf21("1","1","5","1","4","4","5","1") = "4"
    & skf21("1","1","5","1","4","4","6","1") = "5"
    & skf21("1","1","5","1","4","4","7","1") = "6"
    & skf21("1","1","5","1","4","5","1","1") = "4"
    & skf21("1","1","5","1","4","5","2","1") = "4"
    & skf21("1","1","5","1","4","5","3","1") = "4"
    & skf21("1","1","5","1","4","5","4","1") = "4"
    & skf21("1","1","5","1","4","5","5","1") = "4"
    & skf21("1","1","5","1","4","5","6","1") = "5"
    & skf21("1","1","5","1","4","5","7","1") = "6"
    & skf21("1","1","5","1","4","6","1","1") = "5"
    & skf21("1","1","5","1","4","6","2","1") = "5"
    & skf21("1","1","5","1","4","6","3","1") = "5"
    & skf21("1","1","5","1","4","6","4","1") = "5"
    & skf21("1","1","5","1","4","6","5","1") = "5"
    & skf21("1","1","5","1","4","6","6","1") = "5"
    & skf21("1","1","5","1","4","6","7","1") = "6"
    & skf21("1","1","5","1","4","7","1","1") = "6"
    & skf21("1","1","5","1","4","7","2","1") = "6"
    & skf21("1","1","5","1","4","7","3","1") = "6"
    & skf21("1","1","5","1","4","7","4","1") = "6"
    & skf21("1","1","5","1","4","7","5","1") = "6"
    & skf21("1","1","5","1","4","7","6","1") = "6"
    & skf21("1","1","5","1","4","7","7","1") = "6"
    & skf21("1","1","5","1","5","1","1","1") = "4"
    & skf21("1","1","5","1","5","1","2","1") = "4"
    & skf21("1","1","5","1","5","1","3","1") = "4"
    & skf21("1","1","5","1","5","1","4","1") = "4"
    & skf21("1","1","5","1","5","1","5","1") = "4"
    & skf21("1","1","5","1","5","1","6","1") = "5"
    & skf21("1","1","5","1","5","1","7","1") = "6"
    & skf21("1","1","5","1","5","2","1","1") = "4"
    & skf21("1","1","5","1","5","2","2","1") = "4"
    & skf21("1","1","5","1","5","2","3","1") = "4"
    & skf21("1","1","5","1","5","2","4","1") = "4"
    & skf21("1","1","5","1","5","2","5","1") = "4"
    & skf21("1","1","5","1","5","2","6","1") = "5"
    & skf21("1","1","5","1","5","2","7","1") = "6"
    & skf21("1","1","5","1","5","3","1","1") = "4"
    & skf21("1","1","5","1","5","3","2","1") = "4"
    & skf21("1","1","5","1","5","3","3","1") = "4"
    & skf21("1","1","5","1","5","3","4","1") = "4"
    & skf21("1","1","5","1","5","3","5","1") = "4"
    & skf21("1","1","5","1","5","3","6","1") = "5"
    & skf21("1","1","5","1","5","3","7","1") = "6"
    & skf21("1","1","5","1","5","4","1","1") = "4"
    & skf21("1","1","5","1","5","4","2","1") = "4"
    & skf21("1","1","5","1","5","4","3","1") = "4"
    & skf21("1","1","5","1","5","4","4","1") = "4"
    & skf21("1","1","5","1","5","4","5","1") = "4"
    & skf21("1","1","5","1","5","4","6","1") = "5"
    & skf21("1","1","5","1","5","4","7","1") = "6"
    & skf21("1","1","5","1","5","5","1","1") = "4"
    & skf21("1","1","5","1","5","5","2","1") = "4"
    & skf21("1","1","5","1","5","5","3","1") = "4"
    & skf21("1","1","5","1","5","5","4","1") = "4"
    & skf21("1","1","5","1","5","5","5","1") = "4"
    & skf21("1","1","5","1","5","5","6","1") = "5"
    & skf21("1","1","5","1","5","5","7","1") = "6"
    & skf21("1","1","5","1","5","6","1","1") = "5"
    & skf21("1","1","5","1","5","6","2","1") = "5"
    & skf21("1","1","5","1","5","6","3","1") = "5"
    & skf21("1","1","5","1","5","6","4","1") = "5"
    & skf21("1","1","5","1","5","6","5","1") = "5"
    & skf21("1","1","5","1","5","6","6","1") = "5"
    & skf21("1","1","5","1","5","6","7","1") = "6"
    & skf21("1","1","5","1","5","7","1","1") = "6"
    & skf21("1","1","5","1","5","7","2","1") = "6"
    & skf21("1","1","5","1","5","7","3","1") = "6"
    & skf21("1","1","5","1","5","7","4","1") = "6"
    & skf21("1","1","5","1","5","7","5","1") = "6"
    & skf21("1","1","5","1","5","7","6","1") = "6"
    & skf21("1","1","5","1","5","7","7","1") = "6"
    & skf21("1","1","5","1","6","1","1","1") = "5"
    & skf21("1","1","5","1","6","1","2","1") = "5"
    & skf21("1","1","5","1","6","1","3","1") = "5"
    & skf21("1","1","5","1","6","1","4","1") = "5"
    & skf21("1","1","5","1","6","1","5","1") = "5"
    & skf21("1","1","5","1","6","1","6","1") = "5"
    & skf21("1","1","5","1","6","1","7","1") = "6"
    & skf21("1","1","5","1","6","2","1","1") = "5"
    & skf21("1","1","5","1","6","2","2","1") = "5"
    & skf21("1","1","5","1","6","2","3","1") = "5"
    & skf21("1","1","5","1","6","2","4","1") = "5"
    & skf21("1","1","5","1","6","2","5","1") = "5"
    & skf21("1","1","5","1","6","2","6","1") = "5"
    & skf21("1","1","5","1","6","2","7","1") = "6"
    & skf21("1","1","5","1","6","3","1","1") = "5"
    & skf21("1","1","5","1","6","3","2","1") = "5"
    & skf21("1","1","5","1","6","3","3","1") = "5"
    & skf21("1","1","5","1","6","3","4","1") = "5"
    & skf21("1","1","5","1","6","3","5","1") = "5"
    & skf21("1","1","5","1","6","3","6","1") = "5"
    & skf21("1","1","5","1","6","3","7","1") = "6"
    & skf21("1","1","5","1","6","4","1","1") = "5"
    & skf21("1","1","5","1","6","4","2","1") = "5"
    & skf21("1","1","5","1","6","4","3","1") = "5"
    & skf21("1","1","5","1","6","4","4","1") = "5"
    & skf21("1","1","5","1","6","4","5","1") = "5"
    & skf21("1","1","5","1","6","4","6","1") = "5"
    & skf21("1","1","5","1","6","4","7","1") = "6"
    & skf21("1","1","5","1","6","5","1","1") = "5"
    & skf21("1","1","5","1","6","5","2","1") = "5"
    & skf21("1","1","5","1","6","5","3","1") = "5"
    & skf21("1","1","5","1","6","5","4","1") = "5"
    & skf21("1","1","5","1","6","5","5","1") = "5"
    & skf21("1","1","5","1","6","5","6","1") = "5"
    & skf21("1","1","5","1","6","5","7","1") = "6"
    & skf21("1","1","5","1","6","6","1","1") = "5"
    & skf21("1","1","5","1","6","6","2","1") = "5"
    & skf21("1","1","5","1","6","6","3","1") = "5"
    & skf21("1","1","5","1","6","6","4","1") = "5"
    & skf21("1","1","5","1","6","6","5","1") = "5"
    & skf21("1","1","5","1","6","6","6","1") = "5"
    & skf21("1","1","5","1","6","6","7","1") = "6"
    & skf21("1","1","5","1","6","7","1","1") = "6"
    & skf21("1","1","5","1","6","7","2","1") = "6"
    & skf21("1","1","5","1","6","7","3","1") = "6"
    & skf21("1","1","5","1","6","7","4","1") = "6"
    & skf21("1","1","5","1","6","7","5","1") = "6"
    & skf21("1","1","5","1","6","7","6","1") = "6"
    & skf21("1","1","5","1","6","7","7","1") = "6"
    & skf21("1","1","5","1","7","1","1","1") = "6"
    & skf21("1","1","5","1","7","1","2","1") = "6"
    & skf21("1","1","5","1","7","1","3","1") = "6"
    & skf21("1","1","5","1","7","1","4","1") = "6"
    & skf21("1","1","5","1","7","1","5","1") = "6"
    & skf21("1","1","5","1","7","1","6","1") = "6"
    & skf21("1","1","5","1","7","1","7","1") = "6"
    & skf21("1","1","5","1","7","2","1","1") = "6"
    & skf21("1","1","5","1","7","2","2","1") = "6"
    & skf21("1","1","5","1","7","2","3","1") = "6"
    & skf21("1","1","5","1","7","2","4","1") = "6"
    & skf21("1","1","5","1","7","2","5","1") = "6"
    & skf21("1","1","5","1","7","2","6","1") = "6"
    & skf21("1","1","5","1","7","2","7","1") = "6"
    & skf21("1","1","5","1","7","3","1","1") = "6"
    & skf21("1","1","5","1","7","3","2","1") = "6"
    & skf21("1","1","5","1","7","3","3","1") = "6"
    & skf21("1","1","5","1","7","3","4","1") = "6"
    & skf21("1","1","5","1","7","3","5","1") = "6"
    & skf21("1","1","5","1","7","3","6","1") = "6"
    & skf21("1","1","5","1","7","3","7","1") = "6"
    & skf21("1","1","5","1","7","4","1","1") = "6"
    & skf21("1","1","5","1","7","4","2","1") = "6"
    & skf21("1","1","5","1","7","4","3","1") = "6"
    & skf21("1","1","5","1","7","4","4","1") = "6"
    & skf21("1","1","5","1","7","4","5","1") = "6"
    & skf21("1","1","5","1","7","4","6","1") = "6"
    & skf21("1","1","5","1","7","4","7","1") = "6"
    & skf21("1","1","5","1","7","5","1","1") = "6"
    & skf21("1","1","5","1","7","5","2","1") = "6"
    & skf21("1","1","5","1","7","5","3","1") = "6"
    & skf21("1","1","5","1","7","5","4","1") = "6"
    & skf21("1","1","5","1","7","5","5","1") = "6"
    & skf21("1","1","5","1","7","5","6","1") = "6"
    & skf21("1","1","5","1","7","5","7","1") = "6"
    & skf21("1","1","5","1","7","6","1","1") = "6"
    & skf21("1","1","5","1","7","6","2","1") = "6"
    & skf21("1","1","5","1","7","6","3","1") = "6"
    & skf21("1","1","5","1","7","6","4","1") = "6"
    & skf21("1","1","5","1","7","6","5","1") = "6"
    & skf21("1","1","5","1","7","6","6","1") = "6"
    & skf21("1","1","5","1","7","6","7","1") = "6"
    & skf21("1","1","5","1","7","7","1","1") = "6"
    & skf21("1","1","5","1","7","7","2","1") = "6"
    & skf21("1","1","5","1","7","7","3","1") = "6"
    & skf21("1","1","5","1","7","7","4","1") = "6"
    & skf21("1","1","5","1","7","7","5","1") = "6"
    & skf21("1","1","5","1","7","7","6","1") = "6"
    & skf21("1","1","5","1","7","7","7","1") = "6"
    & skf21("1","1","5","2","1","1","1","1") = "4"
    & skf21("1","1","5","2","1","1","2","1") = "4"
    & skf21("1","1","5","2","1","1","3","1") = "4"
    & skf21("1","1","5","2","1","1","4","1") = "4"
    & skf21("1","1","5","2","1","1","5","1") = "4"
    & skf21("1","1","5","2","1","1","6","1") = "5"
    & skf21("1","1","5","2","1","1","7","1") = "6"
    & skf21("1","1","5","2","1","2","1","1") = "4"
    & skf21("1","1","5","2","1","2","2","1") = "4"
    & skf21("1","1","5","2","1","2","3","1") = "4"
    & skf21("1","1","5","2","1","2","4","1") = "4"
    & skf21("1","1","5","2","1","2","5","1") = "4"
    & skf21("1","1","5","2","1","2","6","1") = "5"
    & skf21("1","1","5","2","1","2","7","1") = "6"
    & skf21("1","1","5","2","1","3","1","1") = "4"
    & skf21("1","1","5","2","1","3","2","1") = "4"
    & skf21("1","1","5","2","1","3","3","1") = "4"
    & skf21("1","1","5","2","1","3","4","1") = "4"
    & skf21("1","1","5","2","1","3","5","1") = "4"
    & skf21("1","1","5","2","1","3","6","1") = "5"
    & skf21("1","1","5","2","1","3","7","1") = "6"
    & skf21("1","1","5","2","1","4","1","1") = "4"
    & skf21("1","1","5","2","1","4","2","1") = "4"
    & skf21("1","1","5","2","1","4","3","1") = "4"
    & skf21("1","1","5","2","1","4","4","1") = "4"
    & skf21("1","1","5","2","1","4","5","1") = "4"
    & skf21("1","1","5","2","1","4","6","1") = "5"
    & skf21("1","1","5","2","1","4","7","1") = "6"
    & skf21("1","1","5","2","1","5","1","1") = "4"
    & skf21("1","1","5","2","1","5","2","1") = "4"
    & skf21("1","1","5","2","1","5","3","1") = "4"
    & skf21("1","1","5","2","1","5","4","1") = "4"
    & skf21("1","1","5","2","1","5","5","1") = "4"
    & skf21("1","1","5","2","1","5","6","1") = "5"
    & skf21("1","1","5","2","1","5","7","1") = "6"
    & skf21("1","1","5","2","1","6","1","1") = "5"
    & skf21("1","1","5","2","1","6","2","1") = "5"
    & skf21("1","1","5","2","1","6","3","1") = "5"
    & skf21("1","1","5","2","1","6","4","1") = "5"
    & skf21("1","1","5","2","1","6","5","1") = "5"
    & skf21("1","1","5","2","1","6","6","1") = "5"
    & skf21("1","1","5","2","1","6","7","1") = "6"
    & skf21("1","1","5","2","1","7","1","1") = "6"
    & skf21("1","1","5","2","1","7","2","1") = "6"
    & skf21("1","1","5","2","1","7","3","1") = "6"
    & skf21("1","1","5","2","1","7","4","1") = "6"
    & skf21("1","1","5","2","1","7","5","1") = "6"
    & skf21("1","1","5","2","1","7","6","1") = "6"
    & skf21("1","1","5","2","1","7","7","1") = "6"
    & skf21("1","1","5","2","2","1","1","1") = "4"
    & skf21("1","1","5","2","2","1","2","1") = "4"
    & skf21("1","1","5","2","2","1","3","1") = "4"
    & skf21("1","1","5","2","2","1","4","1") = "4"
    & skf21("1","1","5","2","2","1","5","1") = "4"
    & skf21("1","1","5","2","2","1","6","1") = "5"
    & skf21("1","1","5","2","2","1","7","1") = "6"
    & skf21("1","1","5","2","2","2","1","1") = "4"
    & skf21("1","1","5","2","2","2","2","1") = "4"
    & skf21("1","1","5","2","2","2","3","1") = "4"
    & skf21("1","1","5","2","2","2","4","1") = "4"
    & skf21("1","1","5","2","2","2","5","1") = "4"
    & skf21("1","1","5","2","2","2","6","1") = "5"
    & skf21("1","1","5","2","2","2","7","1") = "6"
    & skf21("1","1","5","2","2","3","1","1") = "4"
    & skf21("1","1","5","2","2","3","2","1") = "4"
    & skf21("1","1","5","2","2","3","3","1") = "4"
    & skf21("1","1","5","2","2","3","4","1") = "4"
    & skf21("1","1","5","2","2","3","5","1") = "4"
    & skf21("1","1","5","2","2","3","6","1") = "5"
    & skf21("1","1","5","2","2","3","7","1") = "6"
    & skf21("1","1","5","2","2","4","1","1") = "4"
    & skf21("1","1","5","2","2","4","2","1") = "4"
    & skf21("1","1","5","2","2","4","3","1") = "4"
    & skf21("1","1","5","2","2","4","4","1") = "4"
    & skf21("1","1","5","2","2","4","5","1") = "4"
    & skf21("1","1","5","2","2","4","6","1") = "5"
    & skf21("1","1","5","2","2","4","7","1") = "6"
    & skf21("1","1","5","2","2","5","1","1") = "4"
    & skf21("1","1","5","2","2","5","2","1") = "4"
    & skf21("1","1","5","2","2","5","3","1") = "4"
    & skf21("1","1","5","2","2","5","4","1") = "4"
    & skf21("1","1","5","2","2","5","5","1") = "4"
    & skf21("1","1","5","2","2","5","6","1") = "5"
    & skf21("1","1","5","2","2","5","7","1") = "6"
    & skf21("1","1","5","2","2","6","1","1") = "5"
    & skf21("1","1","5","2","2","6","2","1") = "5"
    & skf21("1","1","5","2","2","6","3","1") = "5"
    & skf21("1","1","5","2","2","6","4","1") = "5"
    & skf21("1","1","5","2","2","6","5","1") = "5"
    & skf21("1","1","5","2","2","6","6","1") = "5"
    & skf21("1","1","5","2","2","6","7","1") = "6"
    & skf21("1","1","5","2","2","7","1","1") = "6"
    & skf21("1","1","5","2","2","7","2","1") = "6"
    & skf21("1","1","5","2","2","7","3","1") = "6"
    & skf21("1","1","5","2","2","7","4","1") = "6"
    & skf21("1","1","5","2","2","7","5","1") = "6"
    & skf21("1","1","5","2","2","7","6","1") = "6"
    & skf21("1","1","5","2","2","7","7","1") = "6"
    & skf21("1","1","5","2","3","1","1","1") = "4"
    & skf21("1","1","5","2","3","1","2","1") = "4"
    & skf21("1","1","5","2","3","1","3","1") = "4"
    & skf21("1","1","5","2","3","1","4","1") = "4"
    & skf21("1","1","5","2","3","1","5","1") = "4"
    & skf21("1","1","5","2","3","1","6","1") = "5"
    & skf21("1","1","5","2","3","1","7","1") = "6"
    & skf21("1","1","5","2","3","2","1","1") = "4"
    & skf21("1","1","5","2","3","2","2","1") = "4"
    & skf21("1","1","5","2","3","2","3","1") = "4"
    & skf21("1","1","5","2","3","2","4","1") = "4"
    & skf21("1","1","5","2","3","2","5","1") = "4"
    & skf21("1","1","5","2","3","2","6","1") = "5"
    & skf21("1","1","5","2","3","2","7","1") = "6"
    & skf21("1","1","5","2","3","3","1","1") = "4"
    & skf21("1","1","5","2","3","3","2","1") = "4"
    & skf21("1","1","5","2","3","3","3","1") = "4"
    & skf21("1","1","5","2","3","3","4","1") = "4"
    & skf21("1","1","5","2","3","3","5","1") = "4"
    & skf21("1","1","5","2","3","3","6","1") = "5"
    & skf21("1","1","5","2","3","3","7","1") = "6"
    & skf21("1","1","5","2","3","4","1","1") = "4"
    & skf21("1","1","5","2","3","4","2","1") = "4"
    & skf21("1","1","5","2","3","4","3","1") = "4"
    & skf21("1","1","5","2","3","4","4","1") = "4"
    & skf21("1","1","5","2","3","4","5","1") = "4"
    & skf21("1","1","5","2","3","4","6","1") = "5"
    & skf21("1","1","5","2","3","4","7","1") = "6"
    & skf21("1","1","5","2","3","5","1","1") = "4"
    & skf21("1","1","5","2","3","5","2","1") = "4"
    & skf21("1","1","5","2","3","5","3","1") = "4"
    & skf21("1","1","5","2","3","5","4","1") = "4"
    & skf21("1","1","5","2","3","5","5","1") = "4"
    & skf21("1","1","5","2","3","5","6","1") = "5"
    & skf21("1","1","5","2","3","5","7","1") = "6"
    & skf21("1","1","5","2","3","6","1","1") = "5"
    & skf21("1","1","5","2","3","6","2","1") = "5"
    & skf21("1","1","5","2","3","6","3","1") = "5"
    & skf21("1","1","5","2","3","6","4","1") = "5"
    & skf21("1","1","5","2","3","6","5","1") = "5"
    & skf21("1","1","5","2","3","6","6","1") = "5"
    & skf21("1","1","5","2","3","6","7","1") = "6"
    & skf21("1","1","5","2","3","7","1","1") = "6"
    & skf21("1","1","5","2","3","7","2","1") = "6"
    & skf21("1","1","5","2","3","7","3","1") = "6"
    & skf21("1","1","5","2","3","7","4","1") = "6"
    & skf21("1","1","5","2","3","7","5","1") = "6"
    & skf21("1","1","5","2","3","7","6","1") = "6"
    & skf21("1","1","5","2","3","7","7","1") = "6"
    & skf21("1","1","5","2","4","1","1","1") = "4"
    & skf21("1","1","5","2","4","1","2","1") = "4"
    & skf21("1","1","5","2","4","1","3","1") = "4"
    & skf21("1","1","5","2","4","1","4","1") = "4"
    & skf21("1","1","5","2","4","1","5","1") = "4"
    & skf21("1","1","5","2","4","1","6","1") = "5"
    & skf21("1","1","5","2","4","1","7","1") = "6"
    & skf21("1","1","5","2","4","2","1","1") = "4"
    & skf21("1","1","5","2","4","2","2","1") = "4"
    & skf21("1","1","5","2","4","2","3","1") = "4"
    & skf21("1","1","5","2","4","2","4","1") = "4"
    & skf21("1","1","5","2","4","2","5","1") = "4"
    & skf21("1","1","5","2","4","2","6","1") = "5"
    & skf21("1","1","5","2","4","2","7","1") = "6"
    & skf21("1","1","5","2","4","3","1","1") = "4"
    & skf21("1","1","5","2","4","3","2","1") = "4"
    & skf21("1","1","5","2","4","3","3","1") = "4"
    & skf21("1","1","5","2","4","3","4","1") = "4"
    & skf21("1","1","5","2","4","3","5","1") = "4"
    & skf21("1","1","5","2","4","3","6","1") = "5"
    & skf21("1","1","5","2","4","3","7","1") = "6"
    & skf21("1","1","5","2","4","4","1","1") = "4"
    & skf21("1","1","5","2","4","4","2","1") = "4"
    & skf21("1","1","5","2","4","4","3","1") = "4"
    & skf21("1","1","5","2","4","4","4","1") = "4"
    & skf21("1","1","5","2","4","4","5","1") = "4"
    & skf21("1","1","5","2","4","4","6","1") = "5"
    & skf21("1","1","5","2","4","4","7","1") = "6"
    & skf21("1","1","5","2","4","5","1","1") = "4"
    & skf21("1","1","5","2","4","5","2","1") = "4"
    & skf21("1","1","5","2","4","5","3","1") = "4"
    & skf21("1","1","5","2","4","5","4","1") = "4"
    & skf21("1","1","5","2","4","5","5","1") = "4"
    & skf21("1","1","5","2","4","5","6","1") = "5"
    & skf21("1","1","5","2","4","5","7","1") = "6"
    & skf21("1","1","5","2","4","6","1","1") = "5"
    & skf21("1","1","5","2","4","6","2","1") = "5"
    & skf21("1","1","5","2","4","6","3","1") = "5"
    & skf21("1","1","5","2","4","6","4","1") = "5"
    & skf21("1","1","5","2","4","6","5","1") = "5"
    & skf21("1","1","5","2","4","6","6","1") = "5"
    & skf21("1","1","5","2","4","6","7","1") = "6"
    & skf21("1","1","5","2","4","7","1","1") = "6"
    & skf21("1","1","5","2","4","7","2","1") = "6"
    & skf21("1","1","5","2","4","7","3","1") = "6"
    & skf21("1","1","5","2","4","7","4","1") = "6"
    & skf21("1","1","5","2","4","7","5","1") = "6"
    & skf21("1","1","5","2","4","7","6","1") = "6"
    & skf21("1","1","5","2","4","7","7","1") = "6"
    & skf21("1","1","5","2","5","1","1","1") = "4"
    & skf21("1","1","5","2","5","1","2","1") = "4"
    & skf21("1","1","5","2","5","1","3","1") = "4"
    & skf21("1","1","5","2","5","1","4","1") = "4"
    & skf21("1","1","5","2","5","1","5","1") = "4"
    & skf21("1","1","5","2","5","1","6","1") = "5"
    & skf21("1","1","5","2","5","1","7","1") = "6"
    & skf21("1","1","5","2","5","2","1","1") = "4"
    & skf21("1","1","5","2","5","2","2","1") = "4"
    & skf21("1","1","5","2","5","2","3","1") = "4"
    & skf21("1","1","5","2","5","2","4","1") = "4"
    & skf21("1","1","5","2","5","2","5","1") = "4"
    & skf21("1","1","5","2","5","2","6","1") = "5"
    & skf21("1","1","5","2","5","2","7","1") = "6"
    & skf21("1","1","5","2","5","3","1","1") = "4"
    & skf21("1","1","5","2","5","3","2","1") = "4"
    & skf21("1","1","5","2","5","3","3","1") = "4"
    & skf21("1","1","5","2","5","3","4","1") = "4"
    & skf21("1","1","5","2","5","3","5","1") = "4"
    & skf21("1","1","5","2","5","3","6","1") = "5"
    & skf21("1","1","5","2","5","3","7","1") = "6"
    & skf21("1","1","5","2","5","4","1","1") = "4"
    & skf21("1","1","5","2","5","4","2","1") = "4"
    & skf21("1","1","5","2","5","4","3","1") = "4"
    & skf21("1","1","5","2","5","4","4","1") = "4"
    & skf21("1","1","5","2","5","4","5","1") = "4"
    & skf21("1","1","5","2","5","4","6","1") = "5"
    & skf21("1","1","5","2","5","4","7","1") = "6"
    & skf21("1","1","5","2","5","5","1","1") = "4"
    & skf21("1","1","5","2","5","5","2","1") = "4"
    & skf21("1","1","5","2","5","5","3","1") = "4"
    & skf21("1","1","5","2","5","5","4","1") = "4"
    & skf21("1","1","5","2","5","5","5","1") = "4"
    & skf21("1","1","5","2","5","5","6","1") = "5"
    & skf21("1","1","5","2","5","5","7","1") = "6"
    & skf21("1","1","5","2","5","6","1","1") = "5"
    & skf21("1","1","5","2","5","6","2","1") = "5"
    & skf21("1","1","5","2","5","6","3","1") = "5"
    & skf21("1","1","5","2","5","6","4","1") = "5"
    & skf21("1","1","5","2","5","6","5","1") = "5"
    & skf21("1","1","5","2","5","6","6","1") = "5"
    & skf21("1","1","5","2","5","6","7","1") = "6"
    & skf21("1","1","5","2","5","7","1","1") = "6"
    & skf21("1","1","5","2","5","7","2","1") = "6"
    & skf21("1","1","5","2","5","7","3","1") = "6"
    & skf21("1","1","5","2","5","7","4","1") = "6"
    & skf21("1","1","5","2","5","7","5","1") = "6"
    & skf21("1","1","5","2","5","7","6","1") = "6"
    & skf21("1","1","5","2","5","7","7","1") = "6"
    & skf21("1","1","5","2","6","1","1","1") = "5"
    & skf21("1","1","5","2","6","1","2","1") = "5"
    & skf21("1","1","5","2","6","1","3","1") = "5"
    & skf21("1","1","5","2","6","1","4","1") = "5"
    & skf21("1","1","5","2","6","1","5","1") = "5"
    & skf21("1","1","5","2","6","1","6","1") = "5"
    & skf21("1","1","5","2","6","1","7","1") = "6"
    & skf21("1","1","5","2","6","2","1","1") = "5"
    & skf21("1","1","5","2","6","2","2","1") = "5"
    & skf21("1","1","5","2","6","2","3","1") = "5"
    & skf21("1","1","5","2","6","2","4","1") = "5"
    & skf21("1","1","5","2","6","2","5","1") = "5"
    & skf21("1","1","5","2","6","2","6","1") = "5"
    & skf21("1","1","5","2","6","2","7","1") = "6"
    & skf21("1","1","5","2","6","3","1","1") = "5"
    & skf21("1","1","5","2","6","3","2","1") = "5"
    & skf21("1","1","5","2","6","3","3","1") = "5"
    & skf21("1","1","5","2","6","3","4","1") = "5"
    & skf21("1","1","5","2","6","3","5","1") = "5"
    & skf21("1","1","5","2","6","3","6","1") = "5"
    & skf21("1","1","5","2","6","3","7","1") = "6"
    & skf21("1","1","5","2","6","4","1","1") = "5"
    & skf21("1","1","5","2","6","4","2","1") = "5"
    & skf21("1","1","5","2","6","4","3","1") = "5"
    & skf21("1","1","5","2","6","4","4","1") = "5"
    & skf21("1","1","5","2","6","4","5","1") = "5"
    & skf21("1","1","5","2","6","4","6","1") = "5"
    & skf21("1","1","5","2","6","4","7","1") = "6"
    & skf21("1","1","5","2","6","5","1","1") = "5"
    & skf21("1","1","5","2","6","5","2","1") = "5"
    & skf21("1","1","5","2","6","5","3","1") = "5"
    & skf21("1","1","5","2","6","5","4","1") = "5"
    & skf21("1","1","5","2","6","5","5","1") = "5"
    & skf21("1","1","5","2","6","5","6","1") = "5"
    & skf21("1","1","5","2","6","5","7","1") = "6"
    & skf21("1","1","5","2","6","6","1","1") = "5"
    & skf21("1","1","5","2","6","6","2","1") = "5"
    & skf21("1","1","5","2","6","6","3","1") = "5"
    & skf21("1","1","5","2","6","6","4","1") = "5"
    & skf21("1","1","5","2","6","6","5","1") = "5"
    & skf21("1","1","5","2","6","6","6","1") = "5"
    & skf21("1","1","5","2","6","6","7","1") = "6"
    & skf21("1","1","5","2","6","7","1","1") = "6"
    & skf21("1","1","5","2","6","7","2","1") = "6"
    & skf21("1","1","5","2","6","7","3","1") = "6"
    & skf21("1","1","5","2","6","7","4","1") = "6"
    & skf21("1","1","5","2","6","7","5","1") = "6"
    & skf21("1","1","5","2","6","7","6","1") = "6"
    & skf21("1","1","5","2","6","7","7","1") = "6"
    & skf21("1","1","5","2","7","1","1","1") = "6"
    & skf21("1","1","5","2","7","1","2","1") = "6"
    & skf21("1","1","5","2","7","1","3","1") = "6"
    & skf21("1","1","5","2","7","1","4","1") = "6"
    & skf21("1","1","5","2","7","1","5","1") = "6"
    & skf21("1","1","5","2","7","1","6","1") = "6"
    & skf21("1","1","5","2","7","1","7","1") = "6"
    & skf21("1","1","5","2","7","2","1","1") = "6"
    & skf21("1","1","5","2","7","2","2","1") = "6"
    & skf21("1","1","5","2","7","2","3","1") = "6"
    & skf21("1","1","5","2","7","2","4","1") = "6"
    & skf21("1","1","5","2","7","2","5","1") = "6"
    & skf21("1","1","5","2","7","2","6","1") = "6"
    & skf21("1","1","5","2","7","2","7","1") = "6"
    & skf21("1","1","5","2","7","3","1","1") = "6"
    & skf21("1","1","5","2","7","3","2","1") = "6"
    & skf21("1","1","5","2","7","3","3","1") = "6"
    & skf21("1","1","5","2","7","3","4","1") = "6"
    & skf21("1","1","5","2","7","3","5","1") = "6"
    & skf21("1","1","5","2","7","3","6","1") = "6"
    & skf21("1","1","5","2","7","3","7","1") = "6"
    & skf21("1","1","5","2","7","4","1","1") = "6"
    & skf21("1","1","5","2","7","4","2","1") = "6"
    & skf21("1","1","5","2","7","4","3","1") = "6"
    & skf21("1","1","5","2","7","4","4","1") = "6"
    & skf21("1","1","5","2","7","4","5","1") = "6"
    & skf21("1","1","5","2","7","4","6","1") = "6"
    & skf21("1","1","5","2","7","4","7","1") = "6"
    & skf21("1","1","5","2","7","5","1","1") = "6"
    & skf21("1","1","5","2","7","5","2","1") = "6"
    & skf21("1","1","5","2","7","5","3","1") = "6"
    & skf21("1","1","5","2","7","5","4","1") = "6"
    & skf21("1","1","5","2","7","5","5","1") = "6"
    & skf21("1","1","5","2","7","5","6","1") = "6"
    & skf21("1","1","5","2","7","5","7","1") = "6"
    & skf21("1","1","5","2","7","6","1","1") = "6"
    & skf21("1","1","5","2","7","6","2","1") = "6"
    & skf21("1","1","5","2","7","6","3","1") = "6"
    & skf21("1","1","5","2","7","6","4","1") = "6"
    & skf21("1","1","5","2","7","6","5","1") = "6"
    & skf21("1","1","5","2","7","6","6","1") = "6"
    & skf21("1","1","5","2","7","6","7","1") = "6"
    & skf21("1","1","5","2","7","7","1","1") = "6"
    & skf21("1","1","5","2","7","7","2","1") = "6"
    & skf21("1","1","5","2","7","7","3","1") = "6"
    & skf21("1","1","5","2","7","7","4","1") = "6"
    & skf21("1","1","5","2","7","7","5","1") = "6"
    & skf21("1","1","5","2","7","7","6","1") = "6"
    & skf21("1","1","5","2","7","7","7","1") = "6"
    & skf21("1","1","5","3","1","1","1","1") = "4"
    & skf21("1","1","5","3","1","1","2","1") = "4"
    & skf21("1","1","5","3","1","1","3","1") = "4"
    & skf21("1","1","5","3","1","1","4","1") = "4"
    & skf21("1","1","5","3","1","1","5","1") = "4"
    & skf21("1","1","5","3","1","1","6","1") = "5"
    & skf21("1","1","5","3","1","1","7","1") = "6"
    & skf21("1","1","5","3","1","2","1","1") = "4"
    & skf21("1","1","5","3","1","2","2","1") = "4"
    & skf21("1","1","5","3","1","2","3","1") = "4"
    & skf21("1","1","5","3","1","2","4","1") = "4"
    & skf21("1","1","5","3","1","2","5","1") = "4"
    & skf21("1","1","5","3","1","2","6","1") = "5"
    & skf21("1","1","5","3","1","2","7","1") = "6"
    & skf21("1","1","5","3","1","3","1","1") = "4"
    & skf21("1","1","5","3","1","3","2","1") = "4"
    & skf21("1","1","5","3","1","3","3","1") = "4"
    & skf21("1","1","5","3","1","3","4","1") = "4"
    & skf21("1","1","5","3","1","3","5","1") = "4"
    & skf21("1","1","5","3","1","3","6","1") = "5"
    & skf21("1","1","5","3","1","3","7","1") = "6"
    & skf21("1","1","5","3","1","4","1","1") = "4"
    & skf21("1","1","5","3","1","4","2","1") = "4"
    & skf21("1","1","5","3","1","4","3","1") = "4"
    & skf21("1","1","5","3","1","4","4","1") = "4"
    & skf21("1","1","5","3","1","4","5","1") = "4"
    & skf21("1","1","5","3","1","4","6","1") = "5"
    & skf21("1","1","5","3","1","4","7","1") = "6"
    & skf21("1","1","5","3","1","5","1","1") = "4"
    & skf21("1","1","5","3","1","5","2","1") = "4"
    & skf21("1","1","5","3","1","5","3","1") = "4"
    & skf21("1","1","5","3","1","5","4","1") = "4"
    & skf21("1","1","5","3","1","5","5","1") = "4"
    & skf21("1","1","5","3","1","5","6","1") = "5"
    & skf21("1","1","5","3","1","5","7","1") = "6"
    & skf21("1","1","5","3","1","6","1","1") = "5"
    & skf21("1","1","5","3","1","6","2","1") = "5"
    & skf21("1","1","5","3","1","6","3","1") = "5"
    & skf21("1","1","5","3","1","6","4","1") = "5"
    & skf21("1","1","5","3","1","6","5","1") = "5"
    & skf21("1","1","5","3","1","6","6","1") = "5"
    & skf21("1","1","5","3","1","6","7","1") = "6"
    & skf21("1","1","5","3","1","7","1","1") = "6"
    & skf21("1","1","5","3","1","7","2","1") = "6"
    & skf21("1","1","5","3","1","7","3","1") = "6"
    & skf21("1","1","5","3","1","7","4","1") = "6"
    & skf21("1","1","5","3","1","7","5","1") = "6"
    & skf21("1","1","5","3","1","7","6","1") = "6"
    & skf21("1","1","5","3","1","7","7","1") = "6"
    & skf21("1","1","5","3","2","1","1","1") = "4"
    & skf21("1","1","5","3","2","1","2","1") = "4"
    & skf21("1","1","5","3","2","1","3","1") = "4"
    & skf21("1","1","5","3","2","1","4","1") = "4"
    & skf21("1","1","5","3","2","1","5","1") = "4"
    & skf21("1","1","5","3","2","1","6","1") = "5"
    & skf21("1","1","5","3","2","1","7","1") = "6"
    & skf21("1","1","5","3","2","2","1","1") = "4"
    & skf21("1","1","5","3","2","2","2","1") = "4"
    & skf21("1","1","5","3","2","2","3","1") = "4"
    & skf21("1","1","5","3","2","2","4","1") = "4"
    & skf21("1","1","5","3","2","2","5","1") = "4"
    & skf21("1","1","5","3","2","2","6","1") = "5"
    & skf21("1","1","5","3","2","2","7","1") = "6"
    & skf21("1","1","5","3","2","3","1","1") = "4"
    & skf21("1","1","5","3","2","3","2","1") = "4"
    & skf21("1","1","5","3","2","3","3","1") = "4"
    & skf21("1","1","5","3","2","3","4","1") = "4"
    & skf21("1","1","5","3","2","3","5","1") = "4"
    & skf21("1","1","5","3","2","3","6","1") = "5"
    & skf21("1","1","5","3","2","3","7","1") = "6"
    & skf21("1","1","5","3","2","4","1","1") = "4"
    & skf21("1","1","5","3","2","4","2","1") = "4"
    & skf21("1","1","5","3","2","4","3","1") = "4"
    & skf21("1","1","5","3","2","4","4","1") = "4"
    & skf21("1","1","5","3","2","4","5","1") = "4"
    & skf21("1","1","5","3","2","4","6","1") = "5"
    & skf21("1","1","5","3","2","4","7","1") = "6"
    & skf21("1","1","5","3","2","5","1","1") = "4"
    & skf21("1","1","5","3","2","5","2","1") = "4"
    & skf21("1","1","5","3","2","5","3","1") = "4"
    & skf21("1","1","5","3","2","5","4","1") = "4"
    & skf21("1","1","5","3","2","5","5","1") = "4"
    & skf21("1","1","5","3","2","5","6","1") = "5"
    & skf21("1","1","5","3","2","5","7","1") = "6"
    & skf21("1","1","5","3","2","6","1","1") = "5"
    & skf21("1","1","5","3","2","6","2","1") = "5"
    & skf21("1","1","5","3","2","6","3","1") = "5"
    & skf21("1","1","5","3","2","6","4","1") = "5"
    & skf21("1","1","5","3","2","6","5","1") = "5"
    & skf21("1","1","5","3","2","6","6","1") = "5"
    & skf21("1","1","5","3","2","6","7","1") = "6"
    & skf21("1","1","5","3","2","7","1","1") = "6"
    & skf21("1","1","5","3","2","7","2","1") = "6"
    & skf21("1","1","5","3","2","7","3","1") = "6"
    & skf21("1","1","5","3","2","7","4","1") = "6"
    & skf21("1","1","5","3","2","7","5","1") = "6"
    & skf21("1","1","5","3","2","7","6","1") = "6"
    & skf21("1","1","5","3","2","7","7","1") = "6"
    & skf21("1","1","5","3","3","1","1","1") = "4"
    & skf21("1","1","5","3","3","1","2","1") = "4"
    & skf21("1","1","5","3","3","1","3","1") = "4"
    & skf21("1","1","5","3","3","1","4","1") = "4"
    & skf21("1","1","5","3","3","1","5","1") = "4"
    & skf21("1","1","5","3","3","1","6","1") = "5"
    & skf21("1","1","5","3","3","1","7","1") = "6"
    & skf21("1","1","5","3","3","2","1","1") = "4"
    & skf21("1","1","5","3","3","2","2","1") = "4"
    & skf21("1","1","5","3","3","2","3","1") = "4"
    & skf21("1","1","5","3","3","2","4","1") = "4"
    & skf21("1","1","5","3","3","2","5","1") = "4"
    & skf21("1","1","5","3","3","2","6","1") = "5"
    & skf21("1","1","5","3","3","2","7","1") = "6"
    & skf21("1","1","5","3","3","3","1","1") = "4"
    & skf21("1","1","5","3","3","3","2","1") = "4"
    & skf21("1","1","5","3","3","3","3","1") = "4"
    & skf21("1","1","5","3","3","3","4","1") = "4"
    & skf21("1","1","5","3","3","3","5","1") = "4"
    & skf21("1","1","5","3","3","3","6","1") = "5"
    & skf21("1","1","5","3","3","3","7","1") = "6"
    & skf21("1","1","5","3","3","4","1","1") = "4"
    & skf21("1","1","5","3","3","4","2","1") = "4"
    & skf21("1","1","5","3","3","4","3","1") = "4"
    & skf21("1","1","5","3","3","4","4","1") = "4"
    & skf21("1","1","5","3","3","4","5","1") = "4"
    & skf21("1","1","5","3","3","4","6","1") = "5"
    & skf21("1","1","5","3","3","4","7","1") = "6"
    & skf21("1","1","5","3","3","5","1","1") = "4"
    & skf21("1","1","5","3","3","5","2","1") = "4"
    & skf21("1","1","5","3","3","5","3","1") = "4"
    & skf21("1","1","5","3","3","5","4","1") = "4"
    & skf21("1","1","5","3","3","5","5","1") = "4"
    & skf21("1","1","5","3","3","5","6","1") = "5"
    & skf21("1","1","5","3","3","5","7","1") = "6"
    & skf21("1","1","5","3","3","6","1","1") = "5"
    & skf21("1","1","5","3","3","6","2","1") = "5"
    & skf21("1","1","5","3","3","6","3","1") = "5"
    & skf21("1","1","5","3","3","6","4","1") = "5"
    & skf21("1","1","5","3","3","6","5","1") = "5"
    & skf21("1","1","5","3","3","6","6","1") = "5"
    & skf21("1","1","5","3","3","6","7","1") = "6"
    & skf21("1","1","5","3","3","7","1","1") = "6"
    & skf21("1","1","5","3","3","7","2","1") = "6"
    & skf21("1","1","5","3","3","7","3","1") = "6"
    & skf21("1","1","5","3","3","7","4","1") = "6"
    & skf21("1","1","5","3","3","7","5","1") = "6"
    & skf21("1","1","5","3","3","7","6","1") = "6"
    & skf21("1","1","5","3","3","7","7","1") = "6"
    & skf21("1","1","5","3","4","1","1","1") = "4"
    & skf21("1","1","5","3","4","1","2","1") = "4"
    & skf21("1","1","5","3","4","1","3","1") = "4"
    & skf21("1","1","5","3","4","1","4","1") = "4"
    & skf21("1","1","5","3","4","1","5","1") = "4"
    & skf21("1","1","5","3","4","1","6","1") = "5"
    & skf21("1","1","5","3","4","1","7","1") = "6"
    & skf21("1","1","5","3","4","2","1","1") = "4"
    & skf21("1","1","5","3","4","2","2","1") = "4"
    & skf21("1","1","5","3","4","2","3","1") = "4"
    & skf21("1","1","5","3","4","2","4","1") = "4"
    & skf21("1","1","5","3","4","2","5","1") = "4"
    & skf21("1","1","5","3","4","2","6","1") = "5"
    & skf21("1","1","5","3","4","2","7","1") = "6"
    & skf21("1","1","5","3","4","3","1","1") = "4"
    & skf21("1","1","5","3","4","3","2","1") = "4"
    & skf21("1","1","5","3","4","3","3","1") = "4"
    & skf21("1","1","5","3","4","3","4","1") = "4"
    & skf21("1","1","5","3","4","3","5","1") = "4"
    & skf21("1","1","5","3","4","3","6","1") = "5"
    & skf21("1","1","5","3","4","3","7","1") = "6"
    & skf21("1","1","5","3","4","4","1","1") = "4"
    & skf21("1","1","5","3","4","4","2","1") = "4"
    & skf21("1","1","5","3","4","4","3","1") = "4"
    & skf21("1","1","5","3","4","4","4","1") = "4"
    & skf21("1","1","5","3","4","4","5","1") = "4"
    & skf21("1","1","5","3","4","4","6","1") = "5"
    & skf21("1","1","5","3","4","4","7","1") = "6"
    & skf21("1","1","5","3","4","5","1","1") = "4"
    & skf21("1","1","5","3","4","5","2","1") = "4"
    & skf21("1","1","5","3","4","5","3","1") = "4"
    & skf21("1","1","5","3","4","5","4","1") = "4"
    & skf21("1","1","5","3","4","5","5","1") = "4"
    & skf21("1","1","5","3","4","5","6","1") = "5"
    & skf21("1","1","5","3","4","5","7","1") = "6"
    & skf21("1","1","5","3","4","6","1","1") = "5"
    & skf21("1","1","5","3","4","6","2","1") = "5"
    & skf21("1","1","5","3","4","6","3","1") = "5"
    & skf21("1","1","5","3","4","6","4","1") = "5"
    & skf21("1","1","5","3","4","6","5","1") = "5"
    & skf21("1","1","5","3","4","6","6","1") = "5"
    & skf21("1","1","5","3","4","6","7","1") = "6"
    & skf21("1","1","5","3","4","7","1","1") = "6"
    & skf21("1","1","5","3","4","7","2","1") = "6"
    & skf21("1","1","5","3","4","7","3","1") = "6"
    & skf21("1","1","5","3","4","7","4","1") = "6"
    & skf21("1","1","5","3","4","7","5","1") = "6"
    & skf21("1","1","5","3","4","7","6","1") = "6"
    & skf21("1","1","5","3","4","7","7","1") = "6"
    & skf21("1","1","5","3","5","1","1","1") = "4"
    & skf21("1","1","5","3","5","1","2","1") = "4"
    & skf21("1","1","5","3","5","1","3","1") = "4"
    & skf21("1","1","5","3","5","1","4","1") = "4"
    & skf21("1","1","5","3","5","1","5","1") = "4"
    & skf21("1","1","5","3","5","1","6","1") = "5"
    & skf21("1","1","5","3","5","1","7","1") = "6"
    & skf21("1","1","5","3","5","2","1","1") = "4"
    & skf21("1","1","5","3","5","2","2","1") = "4"
    & skf21("1","1","5","3","5","2","3","1") = "4"
    & skf21("1","1","5","3","5","2","4","1") = "4"
    & skf21("1","1","5","3","5","2","5","1") = "4"
    & skf21("1","1","5","3","5","2","6","1") = "5"
    & skf21("1","1","5","3","5","2","7","1") = "6"
    & skf21("1","1","5","3","5","3","1","1") = "4"
    & skf21("1","1","5","3","5","3","2","1") = "4"
    & skf21("1","1","5","3","5","3","3","1") = "4"
    & skf21("1","1","5","3","5","3","4","1") = "4"
    & skf21("1","1","5","3","5","3","5","1") = "4"
    & skf21("1","1","5","3","5","3","6","1") = "5"
    & skf21("1","1","5","3","5","3","7","1") = "6"
    & skf21("1","1","5","3","5","4","1","1") = "4"
    & skf21("1","1","5","3","5","4","2","1") = "4"
    & skf21("1","1","5","3","5","4","3","1") = "4"
    & skf21("1","1","5","3","5","4","4","1") = "4"
    & skf21("1","1","5","3","5","4","5","1") = "4"
    & skf21("1","1","5","3","5","4","6","1") = "5"
    & skf21("1","1","5","3","5","4","7","1") = "6"
    & skf21("1","1","5","3","5","5","1","1") = "4"
    & skf21("1","1","5","3","5","5","2","1") = "4"
    & skf21("1","1","5","3","5","5","3","1") = "4"
    & skf21("1","1","5","3","5","5","4","1") = "4"
    & skf21("1","1","5","3","5","5","5","1") = "4"
    & skf21("1","1","5","3","5","5","6","1") = "5"
    & skf21("1","1","5","3","5","5","7","1") = "6"
    & skf21("1","1","5","3","5","6","1","1") = "5"
    & skf21("1","1","5","3","5","6","2","1") = "5"
    & skf21("1","1","5","3","5","6","3","1") = "5"
    & skf21("1","1","5","3","5","6","4","1") = "5"
    & skf21("1","1","5","3","5","6","5","1") = "5"
    & skf21("1","1","5","3","5","6","6","1") = "5"
    & skf21("1","1","5","3","5","6","7","1") = "6"
    & skf21("1","1","5","3","5","7","1","1") = "6"
    & skf21("1","1","5","3","5","7","2","1") = "6"
    & skf21("1","1","5","3","5","7","3","1") = "6"
    & skf21("1","1","5","3","5","7","4","1") = "6"
    & skf21("1","1","5","3","5","7","5","1") = "6"
    & skf21("1","1","5","3","5","7","6","1") = "6"
    & skf21("1","1","5","3","5","7","7","1") = "6"
    & skf21("1","1","5","3","6","1","1","1") = "5"
    & skf21("1","1","5","3","6","1","2","1") = "5"
    & skf21("1","1","5","3","6","1","3","1") = "5"
    & skf21("1","1","5","3","6","1","4","1") = "5"
    & skf21("1","1","5","3","6","1","5","1") = "5"
    & skf21("1","1","5","3","6","1","6","1") = "5"
    & skf21("1","1","5","3","6","1","7","1") = "6"
    & skf21("1","1","5","3","6","2","1","1") = "5"
    & skf21("1","1","5","3","6","2","2","1") = "5"
    & skf21("1","1","5","3","6","2","3","1") = "5"
    & skf21("1","1","5","3","6","2","4","1") = "5"
    & skf21("1","1","5","3","6","2","5","1") = "5"
    & skf21("1","1","5","3","6","2","6","1") = "5"
    & skf21("1","1","5","3","6","2","7","1") = "6"
    & skf21("1","1","5","3","6","3","1","1") = "5"
    & skf21("1","1","5","3","6","3","2","1") = "5"
    & skf21("1","1","5","3","6","3","3","1") = "5"
    & skf21("1","1","5","3","6","3","4","1") = "5"
    & skf21("1","1","5","3","6","3","5","1") = "5"
    & skf21("1","1","5","3","6","3","6","1") = "5"
    & skf21("1","1","5","3","6","3","7","1") = "6"
    & skf21("1","1","5","3","6","4","1","1") = "5"
    & skf21("1","1","5","3","6","4","2","1") = "5"
    & skf21("1","1","5","3","6","4","3","1") = "5"
    & skf21("1","1","5","3","6","4","4","1") = "5"
    & skf21("1","1","5","3","6","4","5","1") = "5"
    & skf21("1","1","5","3","6","4","6","1") = "5"
    & skf21("1","1","5","3","6","4","7","1") = "6"
    & skf21("1","1","5","3","6","5","1","1") = "5"
    & skf21("1","1","5","3","6","5","2","1") = "5"
    & skf21("1","1","5","3","6","5","3","1") = "5"
    & skf21("1","1","5","3","6","5","4","1") = "5"
    & skf21("1","1","5","3","6","5","5","1") = "5"
    & skf21("1","1","5","3","6","5","6","1") = "5"
    & skf21("1","1","5","3","6","5","7","1") = "6"
    & skf21("1","1","5","3","6","6","1","1") = "5"
    & skf21("1","1","5","3","6","6","2","1") = "5"
    & skf21("1","1","5","3","6","6","3","1") = "5"
    & skf21("1","1","5","3","6","6","4","1") = "5"
    & skf21("1","1","5","3","6","6","5","1") = "5"
    & skf21("1","1","5","3","6","6","6","1") = "5"
    & skf21("1","1","5","3","6","6","7","1") = "6"
    & skf21("1","1","5","3","6","7","1","1") = "6"
    & skf21("1","1","5","3","6","7","2","1") = "6"
    & skf21("1","1","5","3","6","7","3","1") = "6"
    & skf21("1","1","5","3","6","7","4","1") = "6"
    & skf21("1","1","5","3","6","7","5","1") = "6"
    & skf21("1","1","5","3","6","7","6","1") = "6"
    & skf21("1","1","5","3","6","7","7","1") = "6"
    & skf21("1","1","5","3","7","1","1","1") = "6"
    & skf21("1","1","5","3","7","1","2","1") = "6"
    & skf21("1","1","5","3","7","1","3","1") = "6"
    & skf21("1","1","5","3","7","1","4","1") = "6"
    & skf21("1","1","5","3","7","1","5","1") = "6"
    & skf21("1","1","5","3","7","1","6","1") = "6"
    & skf21("1","1","5","3","7","1","7","1") = "6"
    & skf21("1","1","5","3","7","2","1","1") = "6"
    & skf21("1","1","5","3","7","2","2","1") = "6"
    & skf21("1","1","5","3","7","2","3","1") = "6"
    & skf21("1","1","5","3","7","2","4","1") = "6"
    & skf21("1","1","5","3","7","2","5","1") = "6"
    & skf21("1","1","5","3","7","2","6","1") = "6"
    & skf21("1","1","5","3","7","2","7","1") = "6"
    & skf21("1","1","5","3","7","3","1","1") = "6"
    & skf21("1","1","5","3","7","3","2","1") = "6"
    & skf21("1","1","5","3","7","3","3","1") = "6"
    & skf21("1","1","5","3","7","3","4","1") = "6"
    & skf21("1","1","5","3","7","3","5","1") = "6"
    & skf21("1","1","5","3","7","3","6","1") = "6"
    & skf21("1","1","5","3","7","3","7","1") = "6"
    & skf21("1","1","5","3","7","4","1","1") = "6"
    & skf21("1","1","5","3","7","4","2","1") = "6"
    & skf21("1","1","5","3","7","4","3","1") = "6"
    & skf21("1","1","5","3","7","4","4","1") = "6"
    & skf21("1","1","5","3","7","4","5","1") = "6"
    & skf21("1","1","5","3","7","4","6","1") = "6"
    & skf21("1","1","5","3","7","4","7","1") = "6"
    & skf21("1","1","5","3","7","5","1","1") = "6"
    & skf21("1","1","5","3","7","5","2","1") = "6"
    & skf21("1","1","5","3","7","5","3","1") = "6"
    & skf21("1","1","5","3","7","5","4","1") = "6"
    & skf21("1","1","5","3","7","5","5","1") = "6"
    & skf21("1","1","5","3","7","5","6","1") = "6"
    & skf21("1","1","5","3","7","5","7","1") = "6"
    & skf21("1","1","5","3","7","6","1","1") = "6"
    & skf21("1","1","5","3","7","6","2","1") = "6"
    & skf21("1","1","5","3","7","6","3","1") = "6"
    & skf21("1","1","5","3","7","6","4","1") = "6"
    & skf21("1","1","5","3","7","6","5","1") = "6"
    & skf21("1","1","5","3","7","6","6","1") = "6"
    & skf21("1","1","5","3","7","6","7","1") = "6"
    & skf21("1","1","5","3","7","7","1","1") = "6"
    & skf21("1","1","5","3","7","7","2","1") = "6"
    & skf21("1","1","5","3","7","7","3","1") = "6"
    & skf21("1","1","5","3","7","7","4","1") = "6"
    & skf21("1","1","5","3","7","7","5","1") = "6"
    & skf21("1","1","5","3","7","7","6","1") = "6"
    & skf21("1","1","5","3","7","7","7","1") = "6"
    & skf21("1","1","5","4","1","1","1","1") = "4"
    & skf21("1","1","5","4","1","1","2","1") = "4"
    & skf21("1","1","5","4","1","1","3","1") = "4"
    & skf21("1","1","5","4","1","1","4","1") = "4"
    & skf21("1","1","5","4","1","1","5","1") = "4"
    & skf21("1","1","5","4","1","1","6","1") = "5"
    & skf21("1","1","5","4","1","1","7","1") = "6"
    & skf21("1","1","5","4","1","2","1","1") = "4"
    & skf21("1","1","5","4","1","2","2","1") = "4"
    & skf21("1","1","5","4","1","2","3","1") = "4"
    & skf21("1","1","5","4","1","2","4","1") = "4"
    & skf21("1","1","5","4","1","2","5","1") = "4"
    & skf21("1","1","5","4","1","2","6","1") = "5"
    & skf21("1","1","5","4","1","2","7","1") = "6"
    & skf21("1","1","5","4","1","3","1","1") = "4"
    & skf21("1","1","5","4","1","3","2","1") = "4"
    & skf21("1","1","5","4","1","3","3","1") = "4"
    & skf21("1","1","5","4","1","3","4","1") = "4"
    & skf21("1","1","5","4","1","3","5","1") = "4"
    & skf21("1","1","5","4","1","3","6","1") = "5"
    & skf21("1","1","5","4","1","3","7","1") = "6"
    & skf21("1","1","5","4","1","4","1","1") = "4"
    & skf21("1","1","5","4","1","4","2","1") = "4"
    & skf21("1","1","5","4","1","4","3","1") = "4"
    & skf21("1","1","5","4","1","4","4","1") = "4"
    & skf21("1","1","5","4","1","4","5","1") = "4"
    & skf21("1","1","5","4","1","4","6","1") = "5"
    & skf21("1","1","5","4","1","4","7","1") = "6"
    & skf21("1","1","5","4","1","5","1","1") = "4"
    & skf21("1","1","5","4","1","5","2","1") = "4"
    & skf21("1","1","5","4","1","5","3","1") = "4"
    & skf21("1","1","5","4","1","5","4","1") = "4"
    & skf21("1","1","5","4","1","5","5","1") = "4"
    & skf21("1","1","5","4","1","5","6","1") = "5"
    & skf21("1","1","5","4","1","5","7","1") = "6"
    & skf21("1","1","5","4","1","6","1","1") = "5"
    & skf21("1","1","5","4","1","6","2","1") = "5"
    & skf21("1","1","5","4","1","6","3","1") = "5"
    & skf21("1","1","5","4","1","6","4","1") = "5"
    & skf21("1","1","5","4","1","6","5","1") = "5"
    & skf21("1","1","5","4","1","6","6","1") = "5"
    & skf21("1","1","5","4","1","6","7","1") = "6"
    & skf21("1","1","5","4","1","7","1","1") = "6"
    & skf21("1","1","5","4","1","7","2","1") = "6"
    & skf21("1","1","5","4","1","7","3","1") = "6"
    & skf21("1","1","5","4","1","7","4","1") = "6"
    & skf21("1","1","5","4","1","7","5","1") = "6"
    & skf21("1","1","5","4","1","7","6","1") = "6"
    & skf21("1","1","5","4","1","7","7","1") = "6"
    & skf21("1","1","5","4","2","1","1","1") = "4"
    & skf21("1","1","5","4","2","1","2","1") = "4"
    & skf21("1","1","5","4","2","1","3","1") = "4"
    & skf21("1","1","5","4","2","1","4","1") = "4"
    & skf21("1","1","5","4","2","1","5","1") = "4"
    & skf21("1","1","5","4","2","1","6","1") = "5"
    & skf21("1","1","5","4","2","1","7","1") = "6"
    & skf21("1","1","5","4","2","2","1","1") = "4"
    & skf21("1","1","5","4","2","2","2","1") = "4"
    & skf21("1","1","5","4","2","2","3","1") = "4"
    & skf21("1","1","5","4","2","2","4","1") = "4"
    & skf21("1","1","5","4","2","2","5","1") = "4"
    & skf21("1","1","5","4","2","2","6","1") = "5"
    & skf21("1","1","5","4","2","2","7","1") = "6"
    & skf21("1","1","5","4","2","3","1","1") = "4"
    & skf21("1","1","5","4","2","3","2","1") = "4"
    & skf21("1","1","5","4","2","3","3","1") = "4"
    & skf21("1","1","5","4","2","3","4","1") = "4"
    & skf21("1","1","5","4","2","3","5","1") = "4"
    & skf21("1","1","5","4","2","3","6","1") = "5"
    & skf21("1","1","5","4","2","3","7","1") = "6"
    & skf21("1","1","5","4","2","4","1","1") = "4"
    & skf21("1","1","5","4","2","4","2","1") = "4"
    & skf21("1","1","5","4","2","4","3","1") = "4"
    & skf21("1","1","5","4","2","4","4","1") = "4"
    & skf21("1","1","5","4","2","4","5","1") = "4"
    & skf21("1","1","5","4","2","4","6","1") = "5"
    & skf21("1","1","5","4","2","4","7","1") = "6"
    & skf21("1","1","5","4","2","5","1","1") = "4"
    & skf21("1","1","5","4","2","5","2","1") = "4"
    & skf21("1","1","5","4","2","5","3","1") = "4"
    & skf21("1","1","5","4","2","5","4","1") = "4"
    & skf21("1","1","5","4","2","5","5","1") = "4"
    & skf21("1","1","5","4","2","5","6","1") = "5"
    & skf21("1","1","5","4","2","5","7","1") = "6"
    & skf21("1","1","5","4","2","6","1","1") = "5"
    & skf21("1","1","5","4","2","6","2","1") = "5"
    & skf21("1","1","5","4","2","6","3","1") = "5"
    & skf21("1","1","5","4","2","6","4","1") = "5"
    & skf21("1","1","5","4","2","6","5","1") = "5"
    & skf21("1","1","5","4","2","6","6","1") = "5"
    & skf21("1","1","5","4","2","6","7","1") = "6"
    & skf21("1","1","5","4","2","7","1","1") = "6"
    & skf21("1","1","5","4","2","7","2","1") = "6"
    & skf21("1","1","5","4","2","7","3","1") = "6"
    & skf21("1","1","5","4","2","7","4","1") = "6"
    & skf21("1","1","5","4","2","7","5","1") = "6"
    & skf21("1","1","5","4","2","7","6","1") = "6"
    & skf21("1","1","5","4","2","7","7","1") = "6"
    & skf21("1","1","5","4","3","1","1","1") = "4"
    & skf21("1","1","5","4","3","1","2","1") = "4"
    & skf21("1","1","5","4","3","1","3","1") = "4"
    & skf21("1","1","5","4","3","1","4","1") = "4"
    & skf21("1","1","5","4","3","1","5","1") = "4"
    & skf21("1","1","5","4","3","1","6","1") = "5"
    & skf21("1","1","5","4","3","1","7","1") = "6"
    & skf21("1","1","5","4","3","2","1","1") = "4"
    & skf21("1","1","5","4","3","2","2","1") = "4"
    & skf21("1","1","5","4","3","2","3","1") = "4"
    & skf21("1","1","5","4","3","2","4","1") = "4"
    & skf21("1","1","5","4","3","2","5","1") = "4"
    & skf21("1","1","5","4","3","2","6","1") = "5"
    & skf21("1","1","5","4","3","2","7","1") = "6"
    & skf21("1","1","5","4","3","3","1","1") = "4"
    & skf21("1","1","5","4","3","3","2","1") = "4"
    & skf21("1","1","5","4","3","3","3","1") = "4"
    & skf21("1","1","5","4","3","3","4","1") = "4"
    & skf21("1","1","5","4","3","3","5","1") = "4"
    & skf21("1","1","5","4","3","3","6","1") = "5"
    & skf21("1","1","5","4","3","3","7","1") = "6"
    & skf21("1","1","5","4","3","4","1","1") = "4"
    & skf21("1","1","5","4","3","4","2","1") = "4"
    & skf21("1","1","5","4","3","4","3","1") = "4"
    & skf21("1","1","5","4","3","4","4","1") = "4"
    & skf21("1","1","5","4","3","4","5","1") = "4"
    & skf21("1","1","5","4","3","4","6","1") = "5"
    & skf21("1","1","5","4","3","4","7","1") = "6"
    & skf21("1","1","5","4","3","5","1","1") = "4"
    & skf21("1","1","5","4","3","5","2","1") = "4"
    & skf21("1","1","5","4","3","5","3","1") = "4"
    & skf21("1","1","5","4","3","5","4","1") = "4"
    & skf21("1","1","5","4","3","5","5","1") = "4"
    & skf21("1","1","5","4","3","5","6","1") = "5"
    & skf21("1","1","5","4","3","5","7","1") = "6"
    & skf21("1","1","5","4","3","6","1","1") = "5"
    & skf21("1","1","5","4","3","6","2","1") = "5"
    & skf21("1","1","5","4","3","6","3","1") = "5"
    & skf21("1","1","5","4","3","6","4","1") = "5"
    & skf21("1","1","5","4","3","6","5","1") = "5"
    & skf21("1","1","5","4","3","6","6","1") = "5"
    & skf21("1","1","5","4","3","6","7","1") = "6"
    & skf21("1","1","5","4","3","7","1","1") = "6"
    & skf21("1","1","5","4","3","7","2","1") = "6"
    & skf21("1","1","5","4","3","7","3","1") = "6"
    & skf21("1","1","5","4","3","7","4","1") = "6"
    & skf21("1","1","5","4","3","7","5","1") = "6"
    & skf21("1","1","5","4","3","7","6","1") = "6"
    & skf21("1","1","5","4","3","7","7","1") = "6"
    & skf21("1","1","5","4","4","1","1","1") = "4"
    & skf21("1","1","5","4","4","1","2","1") = "4"
    & skf21("1","1","5","4","4","1","3","1") = "4"
    & skf21("1","1","5","4","4","1","4","1") = "4"
    & skf21("1","1","5","4","4","1","5","1") = "4"
    & skf21("1","1","5","4","4","1","6","1") = "5"
    & skf21("1","1","5","4","4","1","7","1") = "6"
    & skf21("1","1","5","4","4","2","1","1") = "4"
    & skf21("1","1","5","4","4","2","2","1") = "4"
    & skf21("1","1","5","4","4","2","3","1") = "4"
    & skf21("1","1","5","4","4","2","4","1") = "4"
    & skf21("1","1","5","4","4","2","5","1") = "4"
    & skf21("1","1","5","4","4","2","6","1") = "5"
    & skf21("1","1","5","4","4","2","7","1") = "6"
    & skf21("1","1","5","4","4","3","1","1") = "4"
    & skf21("1","1","5","4","4","3","2","1") = "4"
    & skf21("1","1","5","4","4","3","3","1") = "4"
    & skf21("1","1","5","4","4","3","4","1") = "4"
    & skf21("1","1","5","4","4","3","5","1") = "4"
    & skf21("1","1","5","4","4","3","6","1") = "5"
    & skf21("1","1","5","4","4","3","7","1") = "6"
    & skf21("1","1","5","4","4","4","1","1") = "4"
    & skf21("1","1","5","4","4","4","2","1") = "4"
    & skf21("1","1","5","4","4","4","3","1") = "4"
    & skf21("1","1","5","4","4","4","4","1") = "4"
    & skf21("1","1","5","4","4","4","5","1") = "4"
    & skf21("1","1","5","4","4","4","6","1") = "5"
    & skf21("1","1","5","4","4","4","7","1") = "6"
    & skf21("1","1","5","4","4","5","1","1") = "4"
    & skf21("1","1","5","4","4","5","2","1") = "4"
    & skf21("1","1","5","4","4","5","3","1") = "4"
    & skf21("1","1","5","4","4","5","4","1") = "4"
    & skf21("1","1","5","4","4","5","5","1") = "4"
    & skf21("1","1","5","4","4","5","6","1") = "5"
    & skf21("1","1","5","4","4","5","7","1") = "6"
    & skf21("1","1","5","4","4","6","1","1") = "5"
    & skf21("1","1","5","4","4","6","2","1") = "5"
    & skf21("1","1","5","4","4","6","3","1") = "5"
    & skf21("1","1","5","4","4","6","4","1") = "5"
    & skf21("1","1","5","4","4","6","5","1") = "5"
    & skf21("1","1","5","4","4","6","6","1") = "5"
    & skf21("1","1","5","4","4","6","7","1") = "6"
    & skf21("1","1","5","4","4","7","1","1") = "6"
    & skf21("1","1","5","4","4","7","2","1") = "6"
    & skf21("1","1","5","4","4","7","3","1") = "6"
    & skf21("1","1","5","4","4","7","4","1") = "6"
    & skf21("1","1","5","4","4","7","5","1") = "6"
    & skf21("1","1","5","4","4","7","6","1") = "6"
    & skf21("1","1","5","4","4","7","7","1") = "6"
    & skf21("1","1","5","4","5","1","1","1") = "4"
    & skf21("1","1","5","4","5","1","2","1") = "4"
    & skf21("1","1","5","4","5","1","3","1") = "4"
    & skf21("1","1","5","4","5","1","4","1") = "4"
    & skf21("1","1","5","4","5","1","5","1") = "4"
    & skf21("1","1","5","4","5","1","6","1") = "5"
    & skf21("1","1","5","4","5","1","7","1") = "6"
    & skf21("1","1","5","4","5","2","1","1") = "4"
    & skf21("1","1","5","4","5","2","2","1") = "4"
    & skf21("1","1","5","4","5","2","3","1") = "4"
    & skf21("1","1","5","4","5","2","4","1") = "4"
    & skf21("1","1","5","4","5","2","5","1") = "4"
    & skf21("1","1","5","4","5","2","6","1") = "5"
    & skf21("1","1","5","4","5","2","7","1") = "6"
    & skf21("1","1","5","4","5","3","1","1") = "4"
    & skf21("1","1","5","4","5","3","2","1") = "4"
    & skf21("1","1","5","4","5","3","3","1") = "4"
    & skf21("1","1","5","4","5","3","4","1") = "4"
    & skf21("1","1","5","4","5","3","5","1") = "4"
    & skf21("1","1","5","4","5","3","6","1") = "5"
    & skf21("1","1","5","4","5","3","7","1") = "6"
    & skf21("1","1","5","4","5","4","1","1") = "4"
    & skf21("1","1","5","4","5","4","2","1") = "4"
    & skf21("1","1","5","4","5","4","3","1") = "4"
    & skf21("1","1","5","4","5","4","4","1") = "4"
    & skf21("1","1","5","4","5","4","5","1") = "4"
    & skf21("1","1","5","4","5","4","6","1") = "5"
    & skf21("1","1","5","4","5","4","7","1") = "6"
    & skf21("1","1","5","4","5","5","1","1") = "4"
    & skf21("1","1","5","4","5","5","2","1") = "4"
    & skf21("1","1","5","4","5","5","3","1") = "4"
    & skf21("1","1","5","4","5","5","4","1") = "4"
    & skf21("1","1","5","4","5","5","5","1") = "4"
    & skf21("1","1","5","4","5","5","6","1") = "5"
    & skf21("1","1","5","4","5","5","7","1") = "6"
    & skf21("1","1","5","4","5","6","1","1") = "5"
    & skf21("1","1","5","4","5","6","2","1") = "5"
    & skf21("1","1","5","4","5","6","3","1") = "5"
    & skf21("1","1","5","4","5","6","4","1") = "5"
    & skf21("1","1","5","4","5","6","5","1") = "5"
    & skf21("1","1","5","4","5","6","6","1") = "5"
    & skf21("1","1","5","4","5","6","7","1") = "6"
    & skf21("1","1","5","4","5","7","1","1") = "6"
    & skf21("1","1","5","4","5","7","2","1") = "6"
    & skf21("1","1","5","4","5","7","3","1") = "6"
    & skf21("1","1","5","4","5","7","4","1") = "6"
    & skf21("1","1","5","4","5","7","5","1") = "6"
    & skf21("1","1","5","4","5","7","6","1") = "6"
    & skf21("1","1","5","4","5","7","7","1") = "6"
    & skf21("1","1","5","4","6","1","1","1") = "5"
    & skf21("1","1","5","4","6","1","2","1") = "5"
    & skf21("1","1","5","4","6","1","3","1") = "5"
    & skf21("1","1","5","4","6","1","4","1") = "5"
    & skf21("1","1","5","4","6","1","5","1") = "5"
    & skf21("1","1","5","4","6","1","6","1") = "5"
    & skf21("1","1","5","4","6","1","7","1") = "6"
    & skf21("1","1","5","4","6","2","1","1") = "5"
    & skf21("1","1","5","4","6","2","2","1") = "5"
    & skf21("1","1","5","4","6","2","3","1") = "5"
    & skf21("1","1","5","4","6","2","4","1") = "5"
    & skf21("1","1","5","4","6","2","5","1") = "5"
    & skf21("1","1","5","4","6","2","6","1") = "5"
    & skf21("1","1","5","4","6","2","7","1") = "6"
    & skf21("1","1","5","4","6","3","1","1") = "5"
    & skf21("1","1","5","4","6","3","2","1") = "5"
    & skf21("1","1","5","4","6","3","3","1") = "5"
    & skf21("1","1","5","4","6","3","4","1") = "5"
    & skf21("1","1","5","4","6","3","5","1") = "5"
    & skf21("1","1","5","4","6","3","6","1") = "5"
    & skf21("1","1","5","4","6","3","7","1") = "6"
    & skf21("1","1","5","4","6","4","1","1") = "5"
    & skf21("1","1","5","4","6","4","2","1") = "5"
    & skf21("1","1","5","4","6","4","3","1") = "5"
    & skf21("1","1","5","4","6","4","4","1") = "5"
    & skf21("1","1","5","4","6","4","5","1") = "5"
    & skf21("1","1","5","4","6","4","6","1") = "5"
    & skf21("1","1","5","4","6","4","7","1") = "6"
    & skf21("1","1","5","4","6","5","1","1") = "5"
    & skf21("1","1","5","4","6","5","2","1") = "5"
    & skf21("1","1","5","4","6","5","3","1") = "5"
    & skf21("1","1","5","4","6","5","4","1") = "5"
    & skf21("1","1","5","4","6","5","5","1") = "5"
    & skf21("1","1","5","4","6","5","6","1") = "5"
    & skf21("1","1","5","4","6","5","7","1") = "6"
    & skf21("1","1","5","4","6","6","1","1") = "5"
    & skf21("1","1","5","4","6","6","2","1") = "5"
    & skf21("1","1","5","4","6","6","3","1") = "5"
    & skf21("1","1","5","4","6","6","4","1") = "5"
    & skf21("1","1","5","4","6","6","5","1") = "5"
    & skf21("1","1","5","4","6","6","6","1") = "5"
    & skf21("1","1","5","4","6","6","7","1") = "6"
    & skf21("1","1","5","4","6","7","1","1") = "6"
    & skf21("1","1","5","4","6","7","2","1") = "6"
    & skf21("1","1","5","4","6","7","3","1") = "6"
    & skf21("1","1","5","4","6","7","4","1") = "6"
    & skf21("1","1","5","4","6","7","5","1") = "6"
    & skf21("1","1","5","4","6","7","6","1") = "6"
    & skf21("1","1","5","4","6","7","7","1") = "6"
    & skf21("1","1","5","4","7","1","1","1") = "6"
    & skf21("1","1","5","4","7","1","2","1") = "6"
    & skf21("1","1","5","4","7","1","3","1") = "6"
    & skf21("1","1","5","4","7","1","4","1") = "6"
    & skf21("1","1","5","4","7","1","5","1") = "6"
    & skf21("1","1","5","4","7","1","6","1") = "6"
    & skf21("1","1","5","4","7","1","7","1") = "6"
    & skf21("1","1","5","4","7","2","1","1") = "6"
    & skf21("1","1","5","4","7","2","2","1") = "6"
    & skf21("1","1","5","4","7","2","3","1") = "6"
    & skf21("1","1","5","4","7","2","4","1") = "6"
    & skf21("1","1","5","4","7","2","5","1") = "6"
    & skf21("1","1","5","4","7","2","6","1") = "6"
    & skf21("1","1","5","4","7","2","7","1") = "6"
    & skf21("1","1","5","4","7","3","1","1") = "6"
    & skf21("1","1","5","4","7","3","2","1") = "6"
    & skf21("1","1","5","4","7","3","3","1") = "6"
    & skf21("1","1","5","4","7","3","4","1") = "6"
    & skf21("1","1","5","4","7","3","5","1") = "6"
    & skf21("1","1","5","4","7","3","6","1") = "6"
    & skf21("1","1","5","4","7","3","7","1") = "6"
    & skf21("1","1","5","4","7","4","1","1") = "6"
    & skf21("1","1","5","4","7","4","2","1") = "6"
    & skf21("1","1","5","4","7","4","3","1") = "6"
    & skf21("1","1","5","4","7","4","4","1") = "6"
    & skf21("1","1","5","4","7","4","5","1") = "6"
    & skf21("1","1","5","4","7","4","6","1") = "6"
    & skf21("1","1","5","4","7","4","7","1") = "6"
    & skf21("1","1","5","4","7","5","1","1") = "6"
    & skf21("1","1","5","4","7","5","2","1") = "6"
    & skf21("1","1","5","4","7","5","3","1") = "6"
    & skf21("1","1","5","4","7","5","4","1") = "6"
    & skf21("1","1","5","4","7","5","5","1") = "6"
    & skf21("1","1","5","4","7","5","6","1") = "6"
    & skf21("1","1","5","4","7","5","7","1") = "6"
    & skf21("1","1","5","4","7","6","1","1") = "6"
    & skf21("1","1","5","4","7","6","2","1") = "6"
    & skf21("1","1","5","4","7","6","3","1") = "6"
    & skf21("1","1","5","4","7","6","4","1") = "6"
    & skf21("1","1","5","4","7","6","5","1") = "6"
    & skf21("1","1","5","4","7","6","6","1") = "6"
    & skf21("1","1","5","4","7","6","7","1") = "6"
    & skf21("1","1","5","4","7","7","1","1") = "6"
    & skf21("1","1","5","4","7","7","2","1") = "6"
    & skf21("1","1","5","4","7","7","3","1") = "6"
    & skf21("1","1","5","4","7","7","4","1") = "6"
    & skf21("1","1","5","4","7","7","5","1") = "6"
    & skf21("1","1","5","4","7","7","6","1") = "6"
    & skf21("1","1","5","4","7","7","7","1") = "6"
    & skf21("1","1","5","5","1","1","1","1") = "4"
    & skf21("1","1","5","5","1","1","2","1") = "4"
    & skf21("1","1","5","5","1","1","3","1") = "4"
    & skf21("1","1","5","5","1","1","4","1") = "4"
    & skf21("1","1","5","5","1","1","5","1") = "4"
    & skf21("1","1","5","5","1","1","6","1") = "5"
    & skf21("1","1","5","5","1","1","7","1") = "6"
    & skf21("1","1","5","5","1","2","1","1") = "4"
    & skf21("1","1","5","5","1","2","2","1") = "4"
    & skf21("1","1","5","5","1","2","3","1") = "4"
    & skf21("1","1","5","5","1","2","4","1") = "4"
    & skf21("1","1","5","5","1","2","5","1") = "4"
    & skf21("1","1","5","5","1","2","6","1") = "5"
    & skf21("1","1","5","5","1","2","7","1") = "6"
    & skf21("1","1","5","5","1","3","1","1") = "4"
    & skf21("1","1","5","5","1","3","2","1") = "4"
    & skf21("1","1","5","5","1","3","3","1") = "4"
    & skf21("1","1","5","5","1","3","4","1") = "4"
    & skf21("1","1","5","5","1","3","5","1") = "4"
    & skf21("1","1","5","5","1","3","6","1") = "5"
    & skf21("1","1","5","5","1","3","7","1") = "6"
    & skf21("1","1","5","5","1","4","1","1") = "4"
    & skf21("1","1","5","5","1","4","2","1") = "4"
    & skf21("1","1","5","5","1","4","3","1") = "4"
    & skf21("1","1","5","5","1","4","4","1") = "4"
    & skf21("1","1","5","5","1","4","5","1") = "4"
    & skf21("1","1","5","5","1","4","6","1") = "5"
    & skf21("1","1","5","5","1","4","7","1") = "6"
    & skf21("1","1","5","5","1","5","1","1") = "4"
    & skf21("1","1","5","5","1","5","2","1") = "4"
    & skf21("1","1","5","5","1","5","3","1") = "4"
    & skf21("1","1","5","5","1","5","4","1") = "4"
    & skf21("1","1","5","5","1","5","5","1") = "4"
    & skf21("1","1","5","5","1","5","6","1") = "5"
    & skf21("1","1","5","5","1","5","7","1") = "6"
    & skf21("1","1","5","5","1","6","1","1") = "5"
    & skf21("1","1","5","5","1","6","2","1") = "5"
    & skf21("1","1","5","5","1","6","3","1") = "5"
    & skf21("1","1","5","5","1","6","4","1") = "5"
    & skf21("1","1","5","5","1","6","5","1") = "5"
    & skf21("1","1","5","5","1","6","6","1") = "5"
    & skf21("1","1","5","5","1","6","7","1") = "6"
    & skf21("1","1","5","5","1","7","1","1") = "6"
    & skf21("1","1","5","5","1","7","2","1") = "6"
    & skf21("1","1","5","5","1","7","3","1") = "6"
    & skf21("1","1","5","5","1","7","4","1") = "6"
    & skf21("1","1","5","5","1","7","5","1") = "6"
    & skf21("1","1","5","5","1","7","6","1") = "6"
    & skf21("1","1","5","5","1","7","7","1") = "6"
    & skf21("1","1","5","5","2","1","1","1") = "4"
    & skf21("1","1","5","5","2","1","2","1") = "4"
    & skf21("1","1","5","5","2","1","3","1") = "4"
    & skf21("1","1","5","5","2","1","4","1") = "4"
    & skf21("1","1","5","5","2","1","5","1") = "4"
    & skf21("1","1","5","5","2","1","6","1") = "5"
    & skf21("1","1","5","5","2","1","7","1") = "6"
    & skf21("1","1","5","5","2","2","1","1") = "4"
    & skf21("1","1","5","5","2","2","2","1") = "4"
    & skf21("1","1","5","5","2","2","3","1") = "4"
    & skf21("1","1","5","5","2","2","4","1") = "4"
    & skf21("1","1","5","5","2","2","5","1") = "4"
    & skf21("1","1","5","5","2","2","6","1") = "5"
    & skf21("1","1","5","5","2","2","7","1") = "6"
    & skf21("1","1","5","5","2","3","1","1") = "4"
    & skf21("1","1","5","5","2","3","2","1") = "4"
    & skf21("1","1","5","5","2","3","3","1") = "4"
    & skf21("1","1","5","5","2","3","4","1") = "4"
    & skf21("1","1","5","5","2","3","5","1") = "4"
    & skf21("1","1","5","5","2","3","6","1") = "5"
    & skf21("1","1","5","5","2","3","7","1") = "6"
    & skf21("1","1","5","5","2","4","1","1") = "4"
    & skf21("1","1","5","5","2","4","2","1") = "4"
    & skf21("1","1","5","5","2","4","3","1") = "4"
    & skf21("1","1","5","5","2","4","4","1") = "4"
    & skf21("1","1","5","5","2","4","5","1") = "4"
    & skf21("1","1","5","5","2","4","6","1") = "5"
    & skf21("1","1","5","5","2","4","7","1") = "6"
    & skf21("1","1","5","5","2","5","1","1") = "4"
    & skf21("1","1","5","5","2","5","2","1") = "4"
    & skf21("1","1","5","5","2","5","3","1") = "4"
    & skf21("1","1","5","5","2","5","4","1") = "4"
    & skf21("1","1","5","5","2","5","5","1") = "4"
    & skf21("1","1","5","5","2","5","6","1") = "5"
    & skf21("1","1","5","5","2","5","7","1") = "6"
    & skf21("1","1","5","5","2","6","1","1") = "5"
    & skf21("1","1","5","5","2","6","2","1") = "5"
    & skf21("1","1","5","5","2","6","3","1") = "5"
    & skf21("1","1","5","5","2","6","4","1") = "5"
    & skf21("1","1","5","5","2","6","5","1") = "5"
    & skf21("1","1","5","5","2","6","6","1") = "5"
    & skf21("1","1","5","5","2","6","7","1") = "6"
    & skf21("1","1","5","5","2","7","1","1") = "6"
    & skf21("1","1","5","5","2","7","2","1") = "6"
    & skf21("1","1","5","5","2","7","3","1") = "6"
    & skf21("1","1","5","5","2","7","4","1") = "6"
    & skf21("1","1","5","5","2","7","5","1") = "6"
    & skf21("1","1","5","5","2","7","6","1") = "6"
    & skf21("1","1","5","5","2","7","7","1") = "6"
    & skf21("1","1","5","5","3","1","1","1") = "4"
    & skf21("1","1","5","5","3","1","2","1") = "4"
    & skf21("1","1","5","5","3","1","3","1") = "4"
    & skf21("1","1","5","5","3","1","4","1") = "4"
    & skf21("1","1","5","5","3","1","5","1") = "4"
    & skf21("1","1","5","5","3","1","6","1") = "5"
    & skf21("1","1","5","5","3","1","7","1") = "6"
    & skf21("1","1","5","5","3","2","1","1") = "4"
    & skf21("1","1","5","5","3","2","2","1") = "4"
    & skf21("1","1","5","5","3","2","3","1") = "4"
    & skf21("1","1","5","5","3","2","4","1") = "4"
    & skf21("1","1","5","5","3","2","5","1") = "4"
    & skf21("1","1","5","5","3","2","6","1") = "5"
    & skf21("1","1","5","5","3","2","7","1") = "6"
    & skf21("1","1","5","5","3","3","1","1") = "4"
    & skf21("1","1","5","5","3","3","2","1") = "4"
    & skf21("1","1","5","5","3","3","3","1") = "4"
    & skf21("1","1","5","5","3","3","4","1") = "4"
    & skf21("1","1","5","5","3","3","5","1") = "4"
    & skf21("1","1","5","5","3","3","6","1") = "5"
    & skf21("1","1","5","5","3","3","7","1") = "6"
    & skf21("1","1","5","5","3","4","1","1") = "4"
    & skf21("1","1","5","5","3","4","2","1") = "4"
    & skf21("1","1","5","5","3","4","3","1") = "4"
    & skf21("1","1","5","5","3","4","4","1") = "4"
    & skf21("1","1","5","5","3","4","5","1") = "4"
    & skf21("1","1","5","5","3","4","6","1") = "5"
    & skf21("1","1","5","5","3","4","7","1") = "6"
    & skf21("1","1","5","5","3","5","1","1") = "4"
    & skf21("1","1","5","5","3","5","2","1") = "4"
    & skf21("1","1","5","5","3","5","3","1") = "4"
    & skf21("1","1","5","5","3","5","4","1") = "4"
    & skf21("1","1","5","5","3","5","5","1") = "4"
    & skf21("1","1","5","5","3","5","6","1") = "5"
    & skf21("1","1","5","5","3","5","7","1") = "6"
    & skf21("1","1","5","5","3","6","1","1") = "5"
    & skf21("1","1","5","5","3","6","2","1") = "5"
    & skf21("1","1","5","5","3","6","3","1") = "5"
    & skf21("1","1","5","5","3","6","4","1") = "5"
    & skf21("1","1","5","5","3","6","5","1") = "5"
    & skf21("1","1","5","5","3","6","6","1") = "5"
    & skf21("1","1","5","5","3","6","7","1") = "6"
    & skf21("1","1","5","5","3","7","1","1") = "6"
    & skf21("1","1","5","5","3","7","2","1") = "6"
    & skf21("1","1","5","5","3","7","3","1") = "6"
    & skf21("1","1","5","5","3","7","4","1") = "6"
    & skf21("1","1","5","5","3","7","5","1") = "6"
    & skf21("1","1","5","5","3","7","6","1") = "6"
    & skf21("1","1","5","5","3","7","7","1") = "6"
    & skf21("1","1","5","5","4","1","1","1") = "4"
    & skf21("1","1","5","5","4","1","2","1") = "4"
    & skf21("1","1","5","5","4","1","3","1") = "4"
    & skf21("1","1","5","5","4","1","4","1") = "4"
    & skf21("1","1","5","5","4","1","5","1") = "4"
    & skf21("1","1","5","5","4","1","6","1") = "5"
    & skf21("1","1","5","5","4","1","7","1") = "6"
    & skf21("1","1","5","5","4","2","1","1") = "4"
    & skf21("1","1","5","5","4","2","2","1") = "4"
    & skf21("1","1","5","5","4","2","3","1") = "4"
    & skf21("1","1","5","5","4","2","4","1") = "4"
    & skf21("1","1","5","5","4","2","5","1") = "4"
    & skf21("1","1","5","5","4","2","6","1") = "5"
    & skf21("1","1","5","5","4","2","7","1") = "6"
    & skf21("1","1","5","5","4","3","1","1") = "4"
    & skf21("1","1","5","5","4","3","2","1") = "4"
    & skf21("1","1","5","5","4","3","3","1") = "4"
    & skf21("1","1","5","5","4","3","4","1") = "4"
    & skf21("1","1","5","5","4","3","5","1") = "4"
    & skf21("1","1","5","5","4","3","6","1") = "5"
    & skf21("1","1","5","5","4","3","7","1") = "6"
    & skf21("1","1","5","5","4","4","1","1") = "4"
    & skf21("1","1","5","5","4","4","2","1") = "4"
    & skf21("1","1","5","5","4","4","3","1") = "4"
    & skf21("1","1","5","5","4","4","4","1") = "4"
    & skf21("1","1","5","5","4","4","5","1") = "4"
    & skf21("1","1","5","5","4","4","6","1") = "5"
    & skf21("1","1","5","5","4","4","7","1") = "6"
    & skf21("1","1","5","5","4","5","1","1") = "4"
    & skf21("1","1","5","5","4","5","2","1") = "4"
    & skf21("1","1","5","5","4","5","3","1") = "4"
    & skf21("1","1","5","5","4","5","4","1") = "4"
    & skf21("1","1","5","5","4","5","5","1") = "4"
    & skf21("1","1","5","5","4","5","6","1") = "5"
    & skf21("1","1","5","5","4","5","7","1") = "6"
    & skf21("1","1","5","5","4","6","1","1") = "5"
    & skf21("1","1","5","5","4","6","2","1") = "5"
    & skf21("1","1","5","5","4","6","3","1") = "5"
    & skf21("1","1","5","5","4","6","4","1") = "5"
    & skf21("1","1","5","5","4","6","5","1") = "5"
    & skf21("1","1","5","5","4","6","6","1") = "5"
    & skf21("1","1","5","5","4","6","7","1") = "6"
    & skf21("1","1","5","5","4","7","1","1") = "6"
    & skf21("1","1","5","5","4","7","2","1") = "6"
    & skf21("1","1","5","5","4","7","3","1") = "6"
    & skf21("1","1","5","5","4","7","4","1") = "6"
    & skf21("1","1","5","5","4","7","5","1") = "6"
    & skf21("1","1","5","5","4","7","6","1") = "6"
    & skf21("1","1","5","5","4","7","7","1") = "6"
    & skf21("1","1","5","5","5","1","1","1") = "4"
    & skf21("1","1","5","5","5","1","2","1") = "4"
    & skf21("1","1","5","5","5","1","3","1") = "4"
    & skf21("1","1","5","5","5","1","4","1") = "4"
    & skf21("1","1","5","5","5","1","5","1") = "4"
    & skf21("1","1","5","5","5","1","6","1") = "5"
    & skf21("1","1","5","5","5","1","7","1") = "6"
    & skf21("1","1","5","5","5","2","1","1") = "4"
    & skf21("1","1","5","5","5","2","2","1") = "4"
    & skf21("1","1","5","5","5","2","3","1") = "4"
    & skf21("1","1","5","5","5","2","4","1") = "4"
    & skf21("1","1","5","5","5","2","5","1") = "4"
    & skf21("1","1","5","5","5","2","6","1") = "5"
    & skf21("1","1","5","5","5","2","7","1") = "6"
    & skf21("1","1","5","5","5","3","1","1") = "4"
    & skf21("1","1","5","5","5","3","2","1") = "4"
    & skf21("1","1","5","5","5","3","3","1") = "4"
    & skf21("1","1","5","5","5","3","4","1") = "4"
    & skf21("1","1","5","5","5","3","5","1") = "4"
    & skf21("1","1","5","5","5","3","6","1") = "5"
    & skf21("1","1","5","5","5","3","7","1") = "6"
    & skf21("1","1","5","5","5","4","1","1") = "4"
    & skf21("1","1","5","5","5","4","2","1") = "4"
    & skf21("1","1","5","5","5","4","3","1") = "4"
    & skf21("1","1","5","5","5","4","4","1") = "4"
    & skf21("1","1","5","5","5","4","5","1") = "4"
    & skf21("1","1","5","5","5","4","6","1") = "5"
    & skf21("1","1","5","5","5","4","7","1") = "6"
    & skf21("1","1","5","5","5","5","1","1") = "4"
    & skf21("1","1","5","5","5","5","2","1") = "4"
    & skf21("1","1","5","5","5","5","3","1") = "4"
    & skf21("1","1","5","5","5","5","4","1") = "4"
    & skf21("1","1","5","5","5","5","5","1") = "4"
    & skf21("1","1","5","5","5","5","6","1") = "5"
    & skf21("1","1","5","5","5","5","7","1") = "6"
    & skf21("1","1","5","5","5","6","1","1") = "5"
    & skf21("1","1","5","5","5","6","2","1") = "5"
    & skf21("1","1","5","5","5","6","3","1") = "5"
    & skf21("1","1","5","5","5","6","4","1") = "5"
    & skf21("1","1","5","5","5","6","5","1") = "5"
    & skf21("1","1","5","5","5","6","6","1") = "5"
    & skf21("1","1","5","5","5","6","7","1") = "6"
    & skf21("1","1","5","5","5","7","1","1") = "6"
    & skf21("1","1","5","5","5","7","2","1") = "6"
    & skf21("1","1","5","5","5","7","3","1") = "6"
    & skf21("1","1","5","5","5","7","4","1") = "6"
    & skf21("1","1","5","5","5","7","5","1") = "6"
    & skf21("1","1","5","5","5","7","6","1") = "6"
    & skf21("1","1","5","5","5","7","7","1") = "6"
    & skf21("1","1","5","5","6","1","1","1") = "5"
    & skf21("1","1","5","5","6","1","2","1") = "5"
    & skf21("1","1","5","5","6","1","3","1") = "5"
    & skf21("1","1","5","5","6","1","4","1") = "5"
    & skf21("1","1","5","5","6","1","5","1") = "5"
    & skf21("1","1","5","5","6","1","6","1") = "5"
    & skf21("1","1","5","5","6","1","7","1") = "6"
    & skf21("1","1","5","5","6","2","1","1") = "5"
    & skf21("1","1","5","5","6","2","2","1") = "5"
    & skf21("1","1","5","5","6","2","3","1") = "5"
    & skf21("1","1","5","5","6","2","4","1") = "5"
    & skf21("1","1","5","5","6","2","5","1") = "5"
    & skf21("1","1","5","5","6","2","6","1") = "5"
    & skf21("1","1","5","5","6","2","7","1") = "6"
    & skf21("1","1","5","5","6","3","1","1") = "5"
    & skf21("1","1","5","5","6","3","2","1") = "5"
    & skf21("1","1","5","5","6","3","3","1") = "5"
    & skf21("1","1","5","5","6","3","4","1") = "5"
    & skf21("1","1","5","5","6","3","5","1") = "5"
    & skf21("1","1","5","5","6","3","6","1") = "5"
    & skf21("1","1","5","5","6","3","7","1") = "6"
    & skf21("1","1","5","5","6","4","1","1") = "5"
    & skf21("1","1","5","5","6","4","2","1") = "5"
    & skf21("1","1","5","5","6","4","3","1") = "5"
    & skf21("1","1","5","5","6","4","4","1") = "5"
    & skf21("1","1","5","5","6","4","5","1") = "5"
    & skf21("1","1","5","5","6","4","6","1") = "5"
    & skf21("1","1","5","5","6","4","7","1") = "6"
    & skf21("1","1","5","5","6","5","1","1") = "5"
    & skf21("1","1","5","5","6","5","2","1") = "5"
    & skf21("1","1","5","5","6","5","3","1") = "5"
    & skf21("1","1","5","5","6","5","4","1") = "5"
    & skf21("1","1","5","5","6","5","5","1") = "5"
    & skf21("1","1","5","5","6","5","6","1") = "5"
    & skf21("1","1","5","5","6","5","7","1") = "6"
    & skf21("1","1","5","5","6","6","1","1") = "5"
    & skf21("1","1","5","5","6","6","2","1") = "5"
    & skf21("1","1","5","5","6","6","3","1") = "5"
    & skf21("1","1","5","5","6","6","4","1") = "5"
    & skf21("1","1","5","5","6","6","5","1") = "5"
    & skf21("1","1","5","5","6","6","6","1") = "5"
    & skf21("1","1","5","5","6","6","7","1") = "6"
    & skf21("1","1","5","5","6","7","1","1") = "6"
    & skf21("1","1","5","5","6","7","2","1") = "6"
    & skf21("1","1","5","5","6","7","3","1") = "6"
    & skf21("1","1","5","5","6","7","4","1") = "6"
    & skf21("1","1","5","5","6","7","5","1") = "6"
    & skf21("1","1","5","5","6","7","6","1") = "6"
    & skf21("1","1","5","5","6","7","7","1") = "6"
    & skf21("1","1","5","5","7","1","1","1") = "6"
    & skf21("1","1","5","5","7","1","2","1") = "6"
    & skf21("1","1","5","5","7","1","3","1") = "6"
    & skf21("1","1","5","5","7","1","4","1") = "6"
    & skf21("1","1","5","5","7","1","5","1") = "6"
    & skf21("1","1","5","5","7","1","6","1") = "6"
    & skf21("1","1","5","5","7","1","7","1") = "6"
    & skf21("1","1","5","5","7","2","1","1") = "6"
    & skf21("1","1","5","5","7","2","2","1") = "6"
    & skf21("1","1","5","5","7","2","3","1") = "6"
    & skf21("1","1","5","5","7","2","4","1") = "6"
    & skf21("1","1","5","5","7","2","5","1") = "6"
    & skf21("1","1","5","5","7","2","6","1") = "6"
    & skf21("1","1","5","5","7","2","7","1") = "6"
    & skf21("1","1","5","5","7","3","1","1") = "6"
    & skf21("1","1","5","5","7","3","2","1") = "6"
    & skf21("1","1","5","5","7","3","3","1") = "6"
    & skf21("1","1","5","5","7","3","4","1") = "6"
    & skf21("1","1","5","5","7","3","5","1") = "6"
    & skf21("1","1","5","5","7","3","6","1") = "6"
    & skf21("1","1","5","5","7","3","7","1") = "6"
    & skf21("1","1","5","5","7","4","1","1") = "6"
    & skf21("1","1","5","5","7","4","2","1") = "6"
    & skf21("1","1","5","5","7","4","3","1") = "6"
    & skf21("1","1","5","5","7","4","4","1") = "6"
    & skf21("1","1","5","5","7","4","5","1") = "6"
    & skf21("1","1","5","5","7","4","6","1") = "6"
    & skf21("1","1","5","5","7","4","7","1") = "6"
    & skf21("1","1","5","5","7","5","1","1") = "6"
    & skf21("1","1","5","5","7","5","2","1") = "6"
    & skf21("1","1","5","5","7","5","3","1") = "6"
    & skf21("1","1","5","5","7","5","4","1") = "6"
    & skf21("1","1","5","5","7","5","5","1") = "6"
    & skf21("1","1","5","5","7","5","6","1") = "6"
    & skf21("1","1","5","5","7","5","7","1") = "6"
    & skf21("1","1","5","5","7","6","1","1") = "6"
    & skf21("1","1","5","5","7","6","2","1") = "6"
    & skf21("1","1","5","5","7","6","3","1") = "6"
    & skf21("1","1","5","5","7","6","4","1") = "6"
    & skf21("1","1","5","5","7","6","5","1") = "6"
    & skf21("1","1","5","5","7","6","6","1") = "6"
    & skf21("1","1","5","5","7","6","7","1") = "6"
    & skf21("1","1","5","5","7","7","1","1") = "6"
    & skf21("1","1","5","5","7","7","2","1") = "6"
    & skf21("1","1","5","5","7","7","3","1") = "6"
    & skf21("1","1","5","5","7","7","4","1") = "6"
    & skf21("1","1","5","5","7","7","5","1") = "6"
    & skf21("1","1","5","5","7","7","6","1") = "6"
    & skf21("1","1","5","5","7","7","7","1") = "6"
    & skf21("1","1","5","6","1","1","1","1") = "5"
    & skf21("1","1","5","6","1","1","2","1") = "5"
    & skf21("1","1","5","6","1","1","3","1") = "5"
    & skf21("1","1","5","6","1","1","4","1") = "5"
    & skf21("1","1","5","6","1","1","5","1") = "5"
    & skf21("1","1","5","6","1","1","6","1") = "5"
    & skf21("1","1","5","6","1","1","7","1") = "6"
    & skf21("1","1","5","6","1","2","1","1") = "5"
    & skf21("1","1","5","6","1","2","2","1") = "5"
    & skf21("1","1","5","6","1","2","3","1") = "5"
    & skf21("1","1","5","6","1","2","4","1") = "5"
    & skf21("1","1","5","6","1","2","5","1") = "5"
    & skf21("1","1","5","6","1","2","6","1") = "5"
    & skf21("1","1","5","6","1","2","7","1") = "6"
    & skf21("1","1","5","6","1","3","1","1") = "5"
    & skf21("1","1","5","6","1","3","2","1") = "5"
    & skf21("1","1","5","6","1","3","3","1") = "5"
    & skf21("1","1","5","6","1","3","4","1") = "5"
    & skf21("1","1","5","6","1","3","5","1") = "5"
    & skf21("1","1","5","6","1","3","6","1") = "5"
    & skf21("1","1","5","6","1","3","7","1") = "6"
    & skf21("1","1","5","6","1","4","1","1") = "5"
    & skf21("1","1","5","6","1","4","2","1") = "5"
    & skf21("1","1","5","6","1","4","3","1") = "5"
    & skf21("1","1","5","6","1","4","4","1") = "5"
    & skf21("1","1","5","6","1","4","5","1") = "5"
    & skf21("1","1","5","6","1","4","6","1") = "5"
    & skf21("1","1","5","6","1","4","7","1") = "6"
    & skf21("1","1","5","6","1","5","1","1") = "5"
    & skf21("1","1","5","6","1","5","2","1") = "5"
    & skf21("1","1","5","6","1","5","3","1") = "5"
    & skf21("1","1","5","6","1","5","4","1") = "5"
    & skf21("1","1","5","6","1","5","5","1") = "5"
    & skf21("1","1","5","6","1","5","6","1") = "5"
    & skf21("1","1","5","6","1","5","7","1") = "6"
    & skf21("1","1","5","6","1","6","1","1") = "5"
    & skf21("1","1","5","6","1","6","2","1") = "5"
    & skf21("1","1","5","6","1","6","3","1") = "5"
    & skf21("1","1","5","6","1","6","4","1") = "5"
    & skf21("1","1","5","6","1","6","5","1") = "5"
    & skf21("1","1","5","6","1","6","6","1") = "5"
    & skf21("1","1","5","6","1","6","7","1") = "6"
    & skf21("1","1","5","6","1","7","1","1") = "6"
    & skf21("1","1","5","6","1","7","2","1") = "6"
    & skf21("1","1","5","6","1","7","3","1") = "6"
    & skf21("1","1","5","6","1","7","4","1") = "6"
    & skf21("1","1","5","6","1","7","5","1") = "6"
    & skf21("1","1","5","6","1","7","6","1") = "6"
    & skf21("1","1","5","6","1","7","7","1") = "6"
    & skf21("1","1","5","6","2","1","1","1") = "5"
    & skf21("1","1","5","6","2","1","2","1") = "5"
    & skf21("1","1","5","6","2","1","3","1") = "5"
    & skf21("1","1","5","6","2","1","4","1") = "5"
    & skf21("1","1","5","6","2","1","5","1") = "5"
    & skf21("1","1","5","6","2","1","6","1") = "5"
    & skf21("1","1","5","6","2","1","7","1") = "6"
    & skf21("1","1","5","6","2","2","1","1") = "5"
    & skf21("1","1","5","6","2","2","2","1") = "5"
    & skf21("1","1","5","6","2","2","3","1") = "5"
    & skf21("1","1","5","6","2","2","4","1") = "5"
    & skf21("1","1","5","6","2","2","5","1") = "5"
    & skf21("1","1","5","6","2","2","6","1") = "5"
    & skf21("1","1","5","6","2","2","7","1") = "6"
    & skf21("1","1","5","6","2","3","1","1") = "5"
    & skf21("1","1","5","6","2","3","2","1") = "5"
    & skf21("1","1","5","6","2","3","3","1") = "5"
    & skf21("1","1","5","6","2","3","4","1") = "5"
    & skf21("1","1","5","6","2","3","5","1") = "5"
    & skf21("1","1","5","6","2","3","6","1") = "5"
    & skf21("1","1","5","6","2","3","7","1") = "6"
    & skf21("1","1","5","6","2","4","1","1") = "5"
    & skf21("1","1","5","6","2","4","2","1") = "5"
    & skf21("1","1","5","6","2","4","3","1") = "5"
    & skf21("1","1","5","6","2","4","4","1") = "5"
    & skf21("1","1","5","6","2","4","5","1") = "5"
    & skf21("1","1","5","6","2","4","6","1") = "5"
    & skf21("1","1","5","6","2","4","7","1") = "6"
    & skf21("1","1","5","6","2","5","1","1") = "5"
    & skf21("1","1","5","6","2","5","2","1") = "5"
    & skf21("1","1","5","6","2","5","3","1") = "5"
    & skf21("1","1","5","6","2","5","4","1") = "5"
    & skf21("1","1","5","6","2","5","5","1") = "5"
    & skf21("1","1","5","6","2","5","6","1") = "5"
    & skf21("1","1","5","6","2","5","7","1") = "6"
    & skf21("1","1","5","6","2","6","1","1") = "5"
    & skf21("1","1","5","6","2","6","2","1") = "5"
    & skf21("1","1","5","6","2","6","3","1") = "5"
    & skf21("1","1","5","6","2","6","4","1") = "5"
    & skf21("1","1","5","6","2","6","5","1") = "5"
    & skf21("1","1","5","6","2","6","6","1") = "5"
    & skf21("1","1","5","6","2","6","7","1") = "6"
    & skf21("1","1","5","6","2","7","1","1") = "6"
    & skf21("1","1","5","6","2","7","2","1") = "6"
    & skf21("1","1","5","6","2","7","3","1") = "6"
    & skf21("1","1","5","6","2","7","4","1") = "6"
    & skf21("1","1","5","6","2","7","5","1") = "6"
    & skf21("1","1","5","6","2","7","6","1") = "6"
    & skf21("1","1","5","6","2","7","7","1") = "6"
    & skf21("1","1","5","6","3","1","1","1") = "5"
    & skf21("1","1","5","6","3","1","2","1") = "5"
    & skf21("1","1","5","6","3","1","3","1") = "5"
    & skf21("1","1","5","6","3","1","4","1") = "5"
    & skf21("1","1","5","6","3","1","5","1") = "5"
    & skf21("1","1","5","6","3","1","6","1") = "5"
    & skf21("1","1","5","6","3","1","7","1") = "6"
    & skf21("1","1","5","6","3","2","1","1") = "5"
    & skf21("1","1","5","6","3","2","2","1") = "5"
    & skf21("1","1","5","6","3","2","3","1") = "5"
    & skf21("1","1","5","6","3","2","4","1") = "5"
    & skf21("1","1","5","6","3","2","5","1") = "5"
    & skf21("1","1","5","6","3","2","6","1") = "5"
    & skf21("1","1","5","6","3","2","7","1") = "6"
    & skf21("1","1","5","6","3","3","1","1") = "5"
    & skf21("1","1","5","6","3","3","2","1") = "5"
    & skf21("1","1","5","6","3","3","3","1") = "5"
    & skf21("1","1","5","6","3","3","4","1") = "5"
    & skf21("1","1","5","6","3","3","5","1") = "5"
    & skf21("1","1","5","6","3","3","6","1") = "5"
    & skf21("1","1","5","6","3","3","7","1") = "6"
    & skf21("1","1","5","6","3","4","1","1") = "5"
    & skf21("1","1","5","6","3","4","2","1") = "5"
    & skf21("1","1","5","6","3","4","3","1") = "5"
    & skf21("1","1","5","6","3","4","4","1") = "5"
    & skf21("1","1","5","6","3","4","5","1") = "5"
    & skf21("1","1","5","6","3","4","6","1") = "5"
    & skf21("1","1","5","6","3","4","7","1") = "6"
    & skf21("1","1","5","6","3","5","1","1") = "5"
    & skf21("1","1","5","6","3","5","2","1") = "5"
    & skf21("1","1","5","6","3","5","3","1") = "5"
    & skf21("1","1","5","6","3","5","4","1") = "5"
    & skf21("1","1","5","6","3","5","5","1") = "5"
    & skf21("1","1","5","6","3","5","6","1") = "5"
    & skf21("1","1","5","6","3","5","7","1") = "6"
    & skf21("1","1","5","6","3","6","1","1") = "5"
    & skf21("1","1","5","6","3","6","2","1") = "5"
    & skf21("1","1","5","6","3","6","3","1") = "5"
    & skf21("1","1","5","6","3","6","4","1") = "5"
    & skf21("1","1","5","6","3","6","5","1") = "5"
    & skf21("1","1","5","6","3","6","6","1") = "5"
    & skf21("1","1","5","6","3","6","7","1") = "6"
    & skf21("1","1","5","6","3","7","1","1") = "6"
    & skf21("1","1","5","6","3","7","2","1") = "6"
    & skf21("1","1","5","6","3","7","3","1") = "6"
    & skf21("1","1","5","6","3","7","4","1") = "6"
    & skf21("1","1","5","6","3","7","5","1") = "6"
    & skf21("1","1","5","6","3","7","6","1") = "6"
    & skf21("1","1","5","6","3","7","7","1") = "6"
    & skf21("1","1","5","6","4","1","1","1") = "5"
    & skf21("1","1","5","6","4","1","2","1") = "5"
    & skf21("1","1","5","6","4","1","3","1") = "5"
    & skf21("1","1","5","6","4","1","4","1") = "5"
    & skf21("1","1","5","6","4","1","5","1") = "5"
    & skf21("1","1","5","6","4","1","6","1") = "5"
    & skf21("1","1","5","6","4","1","7","1") = "6"
    & skf21("1","1","5","6","4","2","1","1") = "5"
    & skf21("1","1","5","6","4","2","2","1") = "5"
    & skf21("1","1","5","6","4","2","3","1") = "5"
    & skf21("1","1","5","6","4","2","4","1") = "5"
    & skf21("1","1","5","6","4","2","5","1") = "5"
    & skf21("1","1","5","6","4","2","6","1") = "5"
    & skf21("1","1","5","6","4","2","7","1") = "6"
    & skf21("1","1","5","6","4","3","1","1") = "5"
    & skf21("1","1","5","6","4","3","2","1") = "5"
    & skf21("1","1","5","6","4","3","3","1") = "5"
    & skf21("1","1","5","6","4","3","4","1") = "5"
    & skf21("1","1","5","6","4","3","5","1") = "5"
    & skf21("1","1","5","6","4","3","6","1") = "5"
    & skf21("1","1","5","6","4","3","7","1") = "6"
    & skf21("1","1","5","6","4","4","1","1") = "5"
    & skf21("1","1","5","6","4","4","2","1") = "5"
    & skf21("1","1","5","6","4","4","3","1") = "5"
    & skf21("1","1","5","6","4","4","4","1") = "5"
    & skf21("1","1","5","6","4","4","5","1") = "5"
    & skf21("1","1","5","6","4","4","6","1") = "5"
    & skf21("1","1","5","6","4","4","7","1") = "6"
    & skf21("1","1","5","6","4","5","1","1") = "5"
    & skf21("1","1","5","6","4","5","2","1") = "5"
    & skf21("1","1","5","6","4","5","3","1") = "5"
    & skf21("1","1","5","6","4","5","4","1") = "5"
    & skf21("1","1","5","6","4","5","5","1") = "5"
    & skf21("1","1","5","6","4","5","6","1") = "5"
    & skf21("1","1","5","6","4","5","7","1") = "6"
    & skf21("1","1","5","6","4","6","1","1") = "5"
    & skf21("1","1","5","6","4","6","2","1") = "5"
    & skf21("1","1","5","6","4","6","3","1") = "5"
    & skf21("1","1","5","6","4","6","4","1") = "5"
    & skf21("1","1","5","6","4","6","5","1") = "5"
    & skf21("1","1","5","6","4","6","6","1") = "5"
    & skf21("1","1","5","6","4","6","7","1") = "6"
    & skf21("1","1","5","6","4","7","1","1") = "6"
    & skf21("1","1","5","6","4","7","2","1") = "6"
    & skf21("1","1","5","6","4","7","3","1") = "6"
    & skf21("1","1","5","6","4","7","4","1") = "6"
    & skf21("1","1","5","6","4","7","5","1") = "6"
    & skf21("1","1","5","6","4","7","6","1") = "6"
    & skf21("1","1","5","6","4","7","7","1") = "6"
    & skf21("1","1","5","6","5","1","1","1") = "5"
    & skf21("1","1","5","6","5","1","2","1") = "5"
    & skf21("1","1","5","6","5","1","3","1") = "5"
    & skf21("1","1","5","6","5","1","4","1") = "5"
    & skf21("1","1","5","6","5","1","5","1") = "5"
    & skf21("1","1","5","6","5","1","6","1") = "5"
    & skf21("1","1","5","6","5","1","7","1") = "6"
    & skf21("1","1","5","6","5","2","1","1") = "5"
    & skf21("1","1","5","6","5","2","2","1") = "5"
    & skf21("1","1","5","6","5","2","3","1") = "5"
    & skf21("1","1","5","6","5","2","4","1") = "5"
    & skf21("1","1","5","6","5","2","5","1") = "5"
    & skf21("1","1","5","6","5","2","6","1") = "5"
    & skf21("1","1","5","6","5","2","7","1") = "6"
    & skf21("1","1","5","6","5","3","1","1") = "5"
    & skf21("1","1","5","6","5","3","2","1") = "5"
    & skf21("1","1","5","6","5","3","3","1") = "5"
    & skf21("1","1","5","6","5","3","4","1") = "5"
    & skf21("1","1","5","6","5","3","5","1") = "5"
    & skf21("1","1","5","6","5","3","6","1") = "5"
    & skf21("1","1","5","6","5","3","7","1") = "6"
    & skf21("1","1","5","6","5","4","1","1") = "5"
    & skf21("1","1","5","6","5","4","2","1") = "5"
    & skf21("1","1","5","6","5","4","3","1") = "5"
    & skf21("1","1","5","6","5","4","4","1") = "5"
    & skf21("1","1","5","6","5","4","5","1") = "5"
    & skf21("1","1","5","6","5","4","6","1") = "5"
    & skf21("1","1","5","6","5","4","7","1") = "6"
    & skf21("1","1","5","6","5","5","1","1") = "5"
    & skf21("1","1","5","6","5","5","2","1") = "5"
    & skf21("1","1","5","6","5","5","3","1") = "5"
    & skf21("1","1","5","6","5","5","4","1") = "5"
    & skf21("1","1","5","6","5","5","5","1") = "5"
    & skf21("1","1","5","6","5","5","6","1") = "5"
    & skf21("1","1","5","6","5","5","7","1") = "6"
    & skf21("1","1","5","6","5","6","1","1") = "5"
    & skf21("1","1","5","6","5","6","2","1") = "5"
    & skf21("1","1","5","6","5","6","3","1") = "5"
    & skf21("1","1","5","6","5","6","4","1") = "5"
    & skf21("1","1","5","6","5","6","5","1") = "5"
    & skf21("1","1","5","6","5","6","6","1") = "5"
    & skf21("1","1","5","6","5","6","7","1") = "6"
    & skf21("1","1","5","6","5","7","1","1") = "6"
    & skf21("1","1","5","6","5","7","2","1") = "6"
    & skf21("1","1","5","6","5","7","3","1") = "6"
    & skf21("1","1","5","6","5","7","4","1") = "6"
    & skf21("1","1","5","6","5","7","5","1") = "6"
    & skf21("1","1","5","6","5","7","6","1") = "6"
    & skf21("1","1","5","6","5","7","7","1") = "6"
    & skf21("1","1","5","6","6","1","1","1") = "5"
    & skf21("1","1","5","6","6","1","2","1") = "5"
    & skf21("1","1","5","6","6","1","3","1") = "5"
    & skf21("1","1","5","6","6","1","4","1") = "5"
    & skf21("1","1","5","6","6","1","5","1") = "5"
    & skf21("1","1","5","6","6","1","6","1") = "5"
    & skf21("1","1","5","6","6","1","7","1") = "6"
    & skf21("1","1","5","6","6","2","1","1") = "5"
    & skf21("1","1","5","6","6","2","2","1") = "5"
    & skf21("1","1","5","6","6","2","3","1") = "5"
    & skf21("1","1","5","6","6","2","4","1") = "5"
    & skf21("1","1","5","6","6","2","5","1") = "5"
    & skf21("1","1","5","6","6","2","6","1") = "5"
    & skf21("1","1","5","6","6","2","7","1") = "6"
    & skf21("1","1","5","6","6","3","1","1") = "5"
    & skf21("1","1","5","6","6","3","2","1") = "5"
    & skf21("1","1","5","6","6","3","3","1") = "5"
    & skf21("1","1","5","6","6","3","4","1") = "5"
    & skf21("1","1","5","6","6","3","5","1") = "5"
    & skf21("1","1","5","6","6","3","6","1") = "5"
    & skf21("1","1","5","6","6","3","7","1") = "6"
    & skf21("1","1","5","6","6","4","1","1") = "5"
    & skf21("1","1","5","6","6","4","2","1") = "5"
    & skf21("1","1","5","6","6","4","3","1") = "5"
    & skf21("1","1","5","6","6","4","4","1") = "5"
    & skf21("1","1","5","6","6","4","5","1") = "5"
    & skf21("1","1","5","6","6","4","6","1") = "5"
    & skf21("1","1","5","6","6","4","7","1") = "6"
    & skf21("1","1","5","6","6","5","1","1") = "5"
    & skf21("1","1","5","6","6","5","2","1") = "5"
    & skf21("1","1","5","6","6","5","3","1") = "5"
    & skf21("1","1","5","6","6","5","4","1") = "5"
    & skf21("1","1","5","6","6","5","5","1") = "5"
    & skf21("1","1","5","6","6","5","6","1") = "5"
    & skf21("1","1","5","6","6","5","7","1") = "6"
    & skf21("1","1","5","6","6","6","1","1") = "5"
    & skf21("1","1","5","6","6","6","2","1") = "5"
    & skf21("1","1","5","6","6","6","3","1") = "5"
    & skf21("1","1","5","6","6","6","4","1") = "5"
    & skf21("1","1","5","6","6","6","5","1") = "5"
    & skf21("1","1","5","6","6","6","6","1") = "5"
    & skf21("1","1","5","6","6","6","7","1") = "6"
    & skf21("1","1","5","6","6","7","1","1") = "6"
    & skf21("1","1","5","6","6","7","2","1") = "6"
    & skf21("1","1","5","6","6","7","3","1") = "6"
    & skf21("1","1","5","6","6","7","4","1") = "6"
    & skf21("1","1","5","6","6","7","5","1") = "6"
    & skf21("1","1","5","6","6","7","6","1") = "6"
    & skf21("1","1","5","6","6","7","7","1") = "6"
    & skf21("1","1","5","6","7","1","1","1") = "6"
    & skf21("1","1","5","6","7","1","2","1") = "6"
    & skf21("1","1","5","6","7","1","3","1") = "6"
    & skf21("1","1","5","6","7","1","4","1") = "6"
    & skf21("1","1","5","6","7","1","5","1") = "6"
    & skf21("1","1","5","6","7","1","6","1") = "6"
    & skf21("1","1","5","6","7","1","7","1") = "6"
    & skf21("1","1","5","6","7","2","1","1") = "6"
    & skf21("1","1","5","6","7","2","2","1") = "6"
    & skf21("1","1","5","6","7","2","3","1") = "6"
    & skf21("1","1","5","6","7","2","4","1") = "6"
    & skf21("1","1","5","6","7","2","5","1") = "6"
    & skf21("1","1","5","6","7","2","6","1") = "6"
    & skf21("1","1","5","6","7","2","7","1") = "6"
    & skf21("1","1","5","6","7","3","1","1") = "6"
    & skf21("1","1","5","6","7","3","2","1") = "6"
    & skf21("1","1","5","6","7","3","3","1") = "6"
    & skf21("1","1","5","6","7","3","4","1") = "6"
    & skf21("1","1","5","6","7","3","5","1") = "6"
    & skf21("1","1","5","6","7","3","6","1") = "6"
    & skf21("1","1","5","6","7","3","7","1") = "6"
    & skf21("1","1","5","6","7","4","1","1") = "6"
    & skf21("1","1","5","6","7","4","2","1") = "6"
    & skf21("1","1","5","6","7","4","3","1") = "6"
    & skf21("1","1","5","6","7","4","4","1") = "6"
    & skf21("1","1","5","6","7","4","5","1") = "6"
    & skf21("1","1","5","6","7","4","6","1") = "6"
    & skf21("1","1","5","6","7","4","7","1") = "6"
    & skf21("1","1","5","6","7","5","1","1") = "6"
    & skf21("1","1","5","6","7","5","2","1") = "6"
    & skf21("1","1","5","6","7","5","3","1") = "6"
    & skf21("1","1","5","6","7","5","4","1") = "6"
    & skf21("1","1","5","6","7","5","5","1") = "6"
    & skf21("1","1","5","6","7","5","6","1") = "6"
    & skf21("1","1","5","6","7","5","7","1") = "6"
    & skf21("1","1","5","6","7","6","1","1") = "6"
    & skf21("1","1","5","6","7","6","2","1") = "6"
    & skf21("1","1","5","6","7","6","3","1") = "6"
    & skf21("1","1","5","6","7","6","4","1") = "6"
    & skf21("1","1","5","6","7","6","5","1") = "6"
    & skf21("1","1","5","6","7","6","6","1") = "6"
    & skf21("1","1","5","6","7","6","7","1") = "6"
    & skf21("1","1","5","6","7","7","1","1") = "6"
    & skf21("1","1","5","6","7","7","2","1") = "6"
    & skf21("1","1","5","6","7","7","3","1") = "6"
    & skf21("1","1","5","6","7","7","4","1") = "6"
    & skf21("1","1","5","6","7","7","5","1") = "6"
    & skf21("1","1","5","6","7","7","6","1") = "6"
    & skf21("1","1","5","6","7","7","7","1") = "6"
    & skf21("1","1","5","7","1","1","1","1") = "6"
    & skf21("1","1","5","7","1","1","2","1") = "6"
    & skf21("1","1","5","7","1","1","3","1") = "6"
    & skf21("1","1","5","7","1","1","4","1") = "6"
    & skf21("1","1","5","7","1","1","5","1") = "6"
    & skf21("1","1","5","7","1","1","6","1") = "6"
    & skf21("1","1","5","7","1","1","7","1") = "6"
    & skf21("1","1","5","7","1","2","1","1") = "6"
    & skf21("1","1","5","7","1","2","2","1") = "6"
    & skf21("1","1","5","7","1","2","3","1") = "6"
    & skf21("1","1","5","7","1","2","4","1") = "6"
    & skf21("1","1","5","7","1","2","5","1") = "6"
    & skf21("1","1","5","7","1","2","6","1") = "6"
    & skf21("1","1","5","7","1","2","7","1") = "6"
    & skf21("1","1","5","7","1","3","1","1") = "6"
    & skf21("1","1","5","7","1","3","2","1") = "6"
    & skf21("1","1","5","7","1","3","3","1") = "6"
    & skf21("1","1","5","7","1","3","4","1") = "6"
    & skf21("1","1","5","7","1","3","5","1") = "6"
    & skf21("1","1","5","7","1","3","6","1") = "6"
    & skf21("1","1","5","7","1","3","7","1") = "6"
    & skf21("1","1","5","7","1","4","1","1") = "6"
    & skf21("1","1","5","7","1","4","2","1") = "6"
    & skf21("1","1","5","7","1","4","3","1") = "6"
    & skf21("1","1","5","7","1","4","4","1") = "6"
    & skf21("1","1","5","7","1","4","5","1") = "6"
    & skf21("1","1","5","7","1","4","6","1") = "6"
    & skf21("1","1","5","7","1","4","7","1") = "6"
    & skf21("1","1","5","7","1","5","1","1") = "6"
    & skf21("1","1","5","7","1","5","2","1") = "6"
    & skf21("1","1","5","7","1","5","3","1") = "6"
    & skf21("1","1","5","7","1","5","4","1") = "6"
    & skf21("1","1","5","7","1","5","5","1") = "6"
    & skf21("1","1","5","7","1","5","6","1") = "6"
    & skf21("1","1","5","7","1","5","7","1") = "6"
    & skf21("1","1","5","7","1","6","1","1") = "6"
    & skf21("1","1","5","7","1","6","2","1") = "6"
    & skf21("1","1","5","7","1","6","3","1") = "6"
    & skf21("1","1","5","7","1","6","4","1") = "6"
    & skf21("1","1","5","7","1","6","5","1") = "6"
    & skf21("1","1","5","7","1","6","6","1") = "6"
    & skf21("1","1","5","7","1","6","7","1") = "6"
    & skf21("1","1","5","7","1","7","1","1") = "6"
    & skf21("1","1","5","7","1","7","2","1") = "6"
    & skf21("1","1","5","7","1","7","3","1") = "6"
    & skf21("1","1","5","7","1","7","4","1") = "6"
    & skf21("1","1","5","7","1","7","5","1") = "6"
    & skf21("1","1","5","7","1","7","6","1") = "6"
    & skf21("1","1","5","7","1","7","7","1") = "6"
    & skf21("1","1","5","7","2","1","1","1") = "6"
    & skf21("1","1","5","7","2","1","2","1") = "6"
    & skf21("1","1","5","7","2","1","3","1") = "6"
    & skf21("1","1","5","7","2","1","4","1") = "6"
    & skf21("1","1","5","7","2","1","5","1") = "6"
    & skf21("1","1","5","7","2","1","6","1") = "6"
    & skf21("1","1","5","7","2","1","7","1") = "6"
    & skf21("1","1","5","7","2","2","1","1") = "6"
    & skf21("1","1","5","7","2","2","2","1") = "6"
    & skf21("1","1","5","7","2","2","3","1") = "6"
    & skf21("1","1","5","7","2","2","4","1") = "6"
    & skf21("1","1","5","7","2","2","5","1") = "6"
    & skf21("1","1","5","7","2","2","6","1") = "6"
    & skf21("1","1","5","7","2","2","7","1") = "6"
    & skf21("1","1","5","7","2","3","1","1") = "6"
    & skf21("1","1","5","7","2","3","2","1") = "6"
    & skf21("1","1","5","7","2","3","3","1") = "6"
    & skf21("1","1","5","7","2","3","4","1") = "6"
    & skf21("1","1","5","7","2","3","5","1") = "6"
    & skf21("1","1","5","7","2","3","6","1") = "6"
    & skf21("1","1","5","7","2","3","7","1") = "6"
    & skf21("1","1","5","7","2","4","1","1") = "6"
    & skf21("1","1","5","7","2","4","2","1") = "6"
    & skf21("1","1","5","7","2","4","3","1") = "6"
    & skf21("1","1","5","7","2","4","4","1") = "6"
    & skf21("1","1","5","7","2","4","5","1") = "6"
    & skf21("1","1","5","7","2","4","6","1") = "6"
    & skf21("1","1","5","7","2","4","7","1") = "6"
    & skf21("1","1","5","7","2","5","1","1") = "6"
    & skf21("1","1","5","7","2","5","2","1") = "6"
    & skf21("1","1","5","7","2","5","3","1") = "6"
    & skf21("1","1","5","7","2","5","4","1") = "6"
    & skf21("1","1","5","7","2","5","5","1") = "6"
    & skf21("1","1","5","7","2","5","6","1") = "6"
    & skf21("1","1","5","7","2","5","7","1") = "6"
    & skf21("1","1","5","7","2","6","1","1") = "6"
    & skf21("1","1","5","7","2","6","2","1") = "6"
    & skf21("1","1","5","7","2","6","3","1") = "6"
    & skf21("1","1","5","7","2","6","4","1") = "6"
    & skf21("1","1","5","7","2","6","5","1") = "6"
    & skf21("1","1","5","7","2","6","6","1") = "6"
    & skf21("1","1","5","7","2","6","7","1") = "6"
    & skf21("1","1","5","7","2","7","1","1") = "6"
    & skf21("1","1","5","7","2","7","2","1") = "6"
    & skf21("1","1","5","7","2","7","3","1") = "6"
    & skf21("1","1","5","7","2","7","4","1") = "6"
    & skf21("1","1","5","7","2","7","5","1") = "6"
    & skf21("1","1","5","7","2","7","6","1") = "6"
    & skf21("1","1","5","7","2","7","7","1") = "6"
    & skf21("1","1","5","7","3","1","1","1") = "6"
    & skf21("1","1","5","7","3","1","2","1") = "6"
    & skf21("1","1","5","7","3","1","3","1") = "6"
    & skf21("1","1","5","7","3","1","4","1") = "6"
    & skf21("1","1","5","7","3","1","5","1") = "6"
    & skf21("1","1","5","7","3","1","6","1") = "6"
    & skf21("1","1","5","7","3","1","7","1") = "6"
    & skf21("1","1","5","7","3","2","1","1") = "6"
    & skf21("1","1","5","7","3","2","2","1") = "6"
    & skf21("1","1","5","7","3","2","3","1") = "6"
    & skf21("1","1","5","7","3","2","4","1") = "6"
    & skf21("1","1","5","7","3","2","5","1") = "6"
    & skf21("1","1","5","7","3","2","6","1") = "6"
    & skf21("1","1","5","7","3","2","7","1") = "6"
    & skf21("1","1","5","7","3","3","1","1") = "6"
    & skf21("1","1","5","7","3","3","2","1") = "6"
    & skf21("1","1","5","7","3","3","3","1") = "6"
    & skf21("1","1","5","7","3","3","4","1") = "6"
    & skf21("1","1","5","7","3","3","5","1") = "6"
    & skf21("1","1","5","7","3","3","6","1") = "6"
    & skf21("1","1","5","7","3","3","7","1") = "6"
    & skf21("1","1","5","7","3","4","1","1") = "6"
    & skf21("1","1","5","7","3","4","2","1") = "6"
    & skf21("1","1","5","7","3","4","3","1") = "6"
    & skf21("1","1","5","7","3","4","4","1") = "6"
    & skf21("1","1","5","7","3","4","5","1") = "6"
    & skf21("1","1","5","7","3","4","6","1") = "6"
    & skf21("1","1","5","7","3","4","7","1") = "6"
    & skf21("1","1","5","7","3","5","1","1") = "6"
    & skf21("1","1","5","7","3","5","2","1") = "6"
    & skf21("1","1","5","7","3","5","3","1") = "6"
    & skf21("1","1","5","7","3","5","4","1") = "6"
    & skf21("1","1","5","7","3","5","5","1") = "6"
    & skf21("1","1","5","7","3","5","6","1") = "6"
    & skf21("1","1","5","7","3","5","7","1") = "6"
    & skf21("1","1","5","7","3","6","1","1") = "6"
    & skf21("1","1","5","7","3","6","2","1") = "6"
    & skf21("1","1","5","7","3","6","3","1") = "6"
    & skf21("1","1","5","7","3","6","4","1") = "6"
    & skf21("1","1","5","7","3","6","5","1") = "6"
    & skf21("1","1","5","7","3","6","6","1") = "6"
    & skf21("1","1","5","7","3","6","7","1") = "6"
    & skf21("1","1","5","7","3","7","1","1") = "6"
    & skf21("1","1","5","7","3","7","2","1") = "6"
    & skf21("1","1","5","7","3","7","3","1") = "6"
    & skf21("1","1","5","7","3","7","4","1") = "6"
    & skf21("1","1","5","7","3","7","5","1") = "6"
    & skf21("1","1","5","7","3","7","6","1") = "6"
    & skf21("1","1","5","7","3","7","7","1") = "6"
    & skf21("1","1","5","7","4","1","1","1") = "6"
    & skf21("1","1","5","7","4","1","2","1") = "6"
    & skf21("1","1","5","7","4","1","3","1") = "6"
    & skf21("1","1","5","7","4","1","4","1") = "6"
    & skf21("1","1","5","7","4","1","5","1") = "6"
    & skf21("1","1","5","7","4","1","6","1") = "6"
    & skf21("1","1","5","7","4","1","7","1") = "6"
    & skf21("1","1","5","7","4","2","1","1") = "6"
    & skf21("1","1","5","7","4","2","2","1") = "6"
    & skf21("1","1","5","7","4","2","3","1") = "6"
    & skf21("1","1","5","7","4","2","4","1") = "6"
    & skf21("1","1","5","7","4","2","5","1") = "6"
    & skf21("1","1","5","7","4","2","6","1") = "6"
    & skf21("1","1","5","7","4","2","7","1") = "6"
    & skf21("1","1","5","7","4","3","1","1") = "6"
    & skf21("1","1","5","7","4","3","2","1") = "6"
    & skf21("1","1","5","7","4","3","3","1") = "6"
    & skf21("1","1","5","7","4","3","4","1") = "6"
    & skf21("1","1","5","7","4","3","5","1") = "6"
    & skf21("1","1","5","7","4","3","6","1") = "6"
    & skf21("1","1","5","7","4","3","7","1") = "6"
    & skf21("1","1","5","7","4","4","1","1") = "6"
    & skf21("1","1","5","7","4","4","2","1") = "6"
    & skf21("1","1","5","7","4","4","3","1") = "6"
    & skf21("1","1","5","7","4","4","4","1") = "6"
    & skf21("1","1","5","7","4","4","5","1") = "6"
    & skf21("1","1","5","7","4","4","6","1") = "6"
    & skf21("1","1","5","7","4","4","7","1") = "6"
    & skf21("1","1","5","7","4","5","1","1") = "6"
    & skf21("1","1","5","7","4","5","2","1") = "6"
    & skf21("1","1","5","7","4","5","3","1") = "6"
    & skf21("1","1","5","7","4","5","4","1") = "6"
    & skf21("1","1","5","7","4","5","5","1") = "6"
    & skf21("1","1","5","7","4","5","6","1") = "6"
    & skf21("1","1","5","7","4","5","7","1") = "6"
    & skf21("1","1","5","7","4","6","1","1") = "6"
    & skf21("1","1","5","7","4","6","2","1") = "6"
    & skf21("1","1","5","7","4","6","3","1") = "6"
    & skf21("1","1","5","7","4","6","4","1") = "6"
    & skf21("1","1","5","7","4","6","5","1") = "6"
    & skf21("1","1","5","7","4","6","6","1") = "6"
    & skf21("1","1","5","7","4","6","7","1") = "6"
    & skf21("1","1","5","7","4","7","1","1") = "6"
    & skf21("1","1","5","7","4","7","2","1") = "6"
    & skf21("1","1","5","7","4","7","3","1") = "6"
    & skf21("1","1","5","7","4","7","4","1") = "6"
    & skf21("1","1","5","7","4","7","5","1") = "6"
    & skf21("1","1","5","7","4","7","6","1") = "6"
    & skf21("1","1","5","7","4","7","7","1") = "6"
    & skf21("1","1","5","7","5","1","1","1") = "6"
    & skf21("1","1","5","7","5","1","2","1") = "6"
    & skf21("1","1","5","7","5","1","3","1") = "6"
    & skf21("1","1","5","7","5","1","4","1") = "6"
    & skf21("1","1","5","7","5","1","5","1") = "6"
    & skf21("1","1","5","7","5","1","6","1") = "6"
    & skf21("1","1","5","7","5","1","7","1") = "6"
    & skf21("1","1","5","7","5","2","1","1") = "6"
    & skf21("1","1","5","7","5","2","2","1") = "6"
    & skf21("1","1","5","7","5","2","3","1") = "6"
    & skf21("1","1","5","7","5","2","4","1") = "6"
    & skf21("1","1","5","7","5","2","5","1") = "6"
    & skf21("1","1","5","7","5","2","6","1") = "6"
    & skf21("1","1","5","7","5","2","7","1") = "6"
    & skf21("1","1","5","7","5","3","1","1") = "6"
    & skf21("1","1","5","7","5","3","2","1") = "6"
    & skf21("1","1","5","7","5","3","3","1") = "6"
    & skf21("1","1","5","7","5","3","4","1") = "6"
    & skf21("1","1","5","7","5","3","5","1") = "6"
    & skf21("1","1","5","7","5","3","6","1") = "6"
    & skf21("1","1","5","7","5","3","7","1") = "6"
    & skf21("1","1","5","7","5","4","1","1") = "6"
    & skf21("1","1","5","7","5","4","2","1") = "6"
    & skf21("1","1","5","7","5","4","3","1") = "6"
    & skf21("1","1","5","7","5","4","4","1") = "6"
    & skf21("1","1","5","7","5","4","5","1") = "6"
    & skf21("1","1","5","7","5","4","6","1") = "6"
    & skf21("1","1","5","7","5","4","7","1") = "6"
    & skf21("1","1","5","7","5","5","1","1") = "6"
    & skf21("1","1","5","7","5","5","2","1") = "6"
    & skf21("1","1","5","7","5","5","3","1") = "6"
    & skf21("1","1","5","7","5","5","4","1") = "6"
    & skf21("1","1","5","7","5","5","5","1") = "6"
    & skf21("1","1","5","7","5","5","6","1") = "6"
    & skf21("1","1","5","7","5","5","7","1") = "6"
    & skf21("1","1","5","7","5","6","1","1") = "6"
    & skf21("1","1","5","7","5","6","2","1") = "6"
    & skf21("1","1","5","7","5","6","3","1") = "6"
    & skf21("1","1","5","7","5","6","4","1") = "6"
    & skf21("1","1","5","7","5","6","5","1") = "6"
    & skf21("1","1","5","7","5","6","6","1") = "6"
    & skf21("1","1","5","7","5","6","7","1") = "6"
    & skf21("1","1","5","7","5","7","1","1") = "6"
    & skf21("1","1","5","7","5","7","2","1") = "6"
    & skf21("1","1","5","7","5","7","3","1") = "6"
    & skf21("1","1","5","7","5","7","4","1") = "6"
    & skf21("1","1","5","7","5","7","5","1") = "6"
    & skf21("1","1","5","7","5","7","6","1") = "6"
    & skf21("1","1","5","7","5","7","7","1") = "6"
    & skf21("1","1","5","7","6","1","1","1") = "6"
    & skf21("1","1","5","7","6","1","2","1") = "6"
    & skf21("1","1","5","7","6","1","3","1") = "6"
    & skf21("1","1","5","7","6","1","4","1") = "6"
    & skf21("1","1","5","7","6","1","5","1") = "6"
    & skf21("1","1","5","7","6","1","6","1") = "6"
    & skf21("1","1","5","7","6","1","7","1") = "6"
    & skf21("1","1","5","7","6","2","1","1") = "6"
    & skf21("1","1","5","7","6","2","2","1") = "6"
    & skf21("1","1","5","7","6","2","3","1") = "6"
    & skf21("1","1","5","7","6","2","4","1") = "6"
    & skf21("1","1","5","7","6","2","5","1") = "6"
    & skf21("1","1","5","7","6","2","6","1") = "6"
    & skf21("1","1","5","7","6","2","7","1") = "6"
    & skf21("1","1","5","7","6","3","1","1") = "6"
    & skf21("1","1","5","7","6","3","2","1") = "6"
    & skf21("1","1","5","7","6","3","3","1") = "6"
    & skf21("1","1","5","7","6","3","4","1") = "6"
    & skf21("1","1","5","7","6","3","5","1") = "6"
    & skf21("1","1","5","7","6","3","6","1") = "6"
    & skf21("1","1","5","7","6","3","7","1") = "6"
    & skf21("1","1","5","7","6","4","1","1") = "6"
    & skf21("1","1","5","7","6","4","2","1") = "6"
    & skf21("1","1","5","7","6","4","3","1") = "6"
    & skf21("1","1","5","7","6","4","4","1") = "6"
    & skf21("1","1","5","7","6","4","5","1") = "6"
    & skf21("1","1","5","7","6","4","6","1") = "6"
    & skf21("1","1","5","7","6","4","7","1") = "6"
    & skf21("1","1","5","7","6","5","1","1") = "6"
    & skf21("1","1","5","7","6","5","2","1") = "6"
    & skf21("1","1","5","7","6","5","3","1") = "6"
    & skf21("1","1","5","7","6","5","4","1") = "6"
    & skf21("1","1","5","7","6","5","5","1") = "6"
    & skf21("1","1","5","7","6","5","6","1") = "6"
    & skf21("1","1","5","7","6","5","7","1") = "6"
    & skf21("1","1","5","7","6","6","1","1") = "6"
    & skf21("1","1","5","7","6","6","2","1") = "6"
    & skf21("1","1","5","7","6","6","3","1") = "6"
    & skf21("1","1","5","7","6","6","4","1") = "6"
    & skf21("1","1","5","7","6","6","5","1") = "6"
    & skf21("1","1","5","7","6","6","6","1") = "6"
    & skf21("1","1","5","7","6","6","7","1") = "6"
    & skf21("1","1","5","7","6","7","1","1") = "6"
    & skf21("1","1","5","7","6","7","2","1") = "6"
    & skf21("1","1","5","7","6","7","3","1") = "6"
    & skf21("1","1","5","7","6","7","4","1") = "6"
    & skf21("1","1","5","7","6","7","5","1") = "6"
    & skf21("1","1","5","7","6","7","6","1") = "6"
    & skf21("1","1","5","7","6","7","7","1") = "6"
    & skf21("1","1","5","7","7","1","1","1") = "6"
    & skf21("1","1","5","7","7","1","2","1") = "6"
    & skf21("1","1","5","7","7","1","3","1") = "6"
    & skf21("1","1","5","7","7","1","4","1") = "6"
    & skf21("1","1","5","7","7","1","5","1") = "6"
    & skf21("1","1","5","7","7","1","6","1") = "6"
    & skf21("1","1","5","7","7","1","7","1") = "6"
    & skf21("1","1","5","7","7","2","1","1") = "6"
    & skf21("1","1","5","7","7","2","2","1") = "6"
    & skf21("1","1","5","7","7","2","3","1") = "6"
    & skf21("1","1","5","7","7","2","4","1") = "6"
    & skf21("1","1","5","7","7","2","5","1") = "6"
    & skf21("1","1","5","7","7","2","6","1") = "6"
    & skf21("1","1","5","7","7","2","7","1") = "6"
    & skf21("1","1","5","7","7","3","1","1") = "6"
    & skf21("1","1","5","7","7","3","2","1") = "6"
    & skf21("1","1","5","7","7","3","3","1") = "6"
    & skf21("1","1","5","7","7","3","4","1") = "6"
    & skf21("1","1","5","7","7","3","5","1") = "6"
    & skf21("1","1","5","7","7","3","6","1") = "6"
    & skf21("1","1","5","7","7","3","7","1") = "6"
    & skf21("1","1","5","7","7","4","1","1") = "6"
    & skf21("1","1","5","7","7","4","2","1") = "6"
    & skf21("1","1","5","7","7","4","3","1") = "6"
    & skf21("1","1","5","7","7","4","4","1") = "6"
    & skf21("1","1","5","7","7","4","5","1") = "6"
    & skf21("1","1","5","7","7","4","6","1") = "6"
    & skf21("1","1","5","7","7","4","7","1") = "6"
    & skf21("1","1","5","7","7","5","1","1") = "6"
    & skf21("1","1","5","7","7","5","2","1") = "6"
    & skf21("1","1","5","7","7","5","3","1") = "6"
    & skf21("1","1","5","7","7","5","4","1") = "6"
    & skf21("1","1","5","7","7","5","5","1") = "6"
    & skf21("1","1","5","7","7","5","6","1") = "6"
    & skf21("1","1","5","7","7","5","7","1") = "6"
    & skf21("1","1","5","7","7","6","1","1") = "6"
    & skf21("1","1","5","7","7","6","2","1") = "6"
    & skf21("1","1","5","7","7","6","3","1") = "6"
    & skf21("1","1","5","7","7","6","4","1") = "6"
    & skf21("1","1","5","7","7","6","5","1") = "6"
    & skf21("1","1","5","7","7","6","6","1") = "6"
    & skf21("1","1","5","7","7","6","7","1") = "6"
    & skf21("1","1","5","7","7","7","1","1") = "6"
    & skf21("1","1","5","7","7","7","2","1") = "6"
    & skf21("1","1","5","7","7","7","3","1") = "6"
    & skf21("1","1","5","7","7","7","4","1") = "6"
    & skf21("1","1","5","7","7","7","5","1") = "6"
    & skf21("1","1","5","7","7","7","6","1") = "6"
    & skf21("1","1","5","7","7","7","7","1") = "6"
    & skf21("1","1","6","1","1","1","1","1") = "5"
    & skf21("1","1","6","1","1","1","2","1") = "5"
    & skf21("1","1","6","1","1","1","3","1") = "5"
    & skf21("1","1","6","1","1","1","4","1") = "5"
    & skf21("1","1","6","1","1","1","5","1") = "5"
    & skf21("1","1","6","1","1","1","6","1") = "5"
    & skf21("1","1","6","1","1","1","7","1") = "6"
    & skf21("1","1","6","1","1","2","1","1") = "5"
    & skf21("1","1","6","1","1","2","2","1") = "5"
    & skf21("1","1","6","1","1","2","3","1") = "5"
    & skf21("1","1","6","1","1","2","4","1") = "5"
    & skf21("1","1","6","1","1","2","5","1") = "5"
    & skf21("1","1","6","1","1","2","6","1") = "5"
    & skf21("1","1","6","1","1","2","7","1") = "6"
    & skf21("1","1","6","1","1","3","1","1") = "5"
    & skf21("1","1","6","1","1","3","2","1") = "5"
    & skf21("1","1","6","1","1","3","3","1") = "5"
    & skf21("1","1","6","1","1","3","4","1") = "5"
    & skf21("1","1","6","1","1","3","5","1") = "5"
    & skf21("1","1","6","1","1","3","6","1") = "5"
    & skf21("1","1","6","1","1","3","7","1") = "6"
    & skf21("1","1","6","1","1","4","1","1") = "5"
    & skf21("1","1","6","1","1","4","2","1") = "5"
    & skf21("1","1","6","1","1","4","3","1") = "5"
    & skf21("1","1","6","1","1","4","4","1") = "5"
    & skf21("1","1","6","1","1","4","5","1") = "5"
    & skf21("1","1","6","1","1","4","6","1") = "5"
    & skf21("1","1","6","1","1","4","7","1") = "6"
    & skf21("1","1","6","1","1","5","1","1") = "5"
    & skf21("1","1","6","1","1","5","2","1") = "5"
    & skf21("1","1","6","1","1","5","3","1") = "5"
    & skf21("1","1","6","1","1","5","4","1") = "5"
    & skf21("1","1","6","1","1","5","5","1") = "5"
    & skf21("1","1","6","1","1","5","6","1") = "5"
    & skf21("1","1","6","1","1","5","7","1") = "6"
    & skf21("1","1","6","1","1","6","1","1") = "5"
    & skf21("1","1","6","1","1","6","2","1") = "5"
    & skf21("1","1","6","1","1","6","3","1") = "5"
    & skf21("1","1","6","1","1","6","4","1") = "5"
    & skf21("1","1","6","1","1","6","5","1") = "5"
    & skf21("1","1","6","1","1","6","6","1") = "5"
    & skf21("1","1","6","1","1","6","7","1") = "6"
    & skf21("1","1","6","1","1","7","1","1") = "6"
    & skf21("1","1","6","1","1","7","2","1") = "6"
    & skf21("1","1","6","1","1","7","3","1") = "6"
    & skf21("1","1","6","1","1","7","4","1") = "6"
    & skf21("1","1","6","1","1","7","5","1") = "6"
    & skf21("1","1","6","1","1","7","6","1") = "6"
    & skf21("1","1","6","1","1","7","7","1") = "6"
    & skf21("1","1","6","1","2","1","1","1") = "5"
    & skf21("1","1","6","1","2","1","2","1") = "5"
    & skf21("1","1","6","1","2","1","3","1") = "5"
    & skf21("1","1","6","1","2","1","4","1") = "5"
    & skf21("1","1","6","1","2","1","5","1") = "5"
    & skf21("1","1","6","1","2","1","6","1") = "5"
    & skf21("1","1","6","1","2","1","7","1") = "6"
    & skf21("1","1","6","1","2","2","1","1") = "5"
    & skf21("1","1","6","1","2","2","2","1") = "5"
    & skf21("1","1","6","1","2","2","3","1") = "5"
    & skf21("1","1","6","1","2","2","4","1") = "5"
    & skf21("1","1","6","1","2","2","5","1") = "5"
    & skf21("1","1","6","1","2","2","6","1") = "5"
    & skf21("1","1","6","1","2","2","7","1") = "6"
    & skf21("1","1","6","1","2","3","1","1") = "5"
    & skf21("1","1","6","1","2","3","2","1") = "5"
    & skf21("1","1","6","1","2","3","3","1") = "5"
    & skf21("1","1","6","1","2","3","4","1") = "5"
    & skf21("1","1","6","1","2","3","5","1") = "5"
    & skf21("1","1","6","1","2","3","6","1") = "5"
    & skf21("1","1","6","1","2","3","7","1") = "6"
    & skf21("1","1","6","1","2","4","1","1") = "5"
    & skf21("1","1","6","1","2","4","2","1") = "5"
    & skf21("1","1","6","1","2","4","3","1") = "5"
    & skf21("1","1","6","1","2","4","4","1") = "5"
    & skf21("1","1","6","1","2","4","5","1") = "5"
    & skf21("1","1","6","1","2","4","6","1") = "5"
    & skf21("1","1","6","1","2","4","7","1") = "6"
    & skf21("1","1","6","1","2","5","1","1") = "5"
    & skf21("1","1","6","1","2","5","2","1") = "5"
    & skf21("1","1","6","1","2","5","3","1") = "5"
    & skf21("1","1","6","1","2","5","4","1") = "5"
    & skf21("1","1","6","1","2","5","5","1") = "5"
    & skf21("1","1","6","1","2","5","6","1") = "5"
    & skf21("1","1","6","1","2","5","7","1") = "6"
    & skf21("1","1","6","1","2","6","1","1") = "5"
    & skf21("1","1","6","1","2","6","2","1") = "5"
    & skf21("1","1","6","1","2","6","3","1") = "5"
    & skf21("1","1","6","1","2","6","4","1") = "5"
    & skf21("1","1","6","1","2","6","5","1") = "5"
    & skf21("1","1","6","1","2","6","6","1") = "5"
    & skf21("1","1","6","1","2","6","7","1") = "6"
    & skf21("1","1","6","1","2","7","1","1") = "6"
    & skf21("1","1","6","1","2","7","2","1") = "6"
    & skf21("1","1","6","1","2","7","3","1") = "6"
    & skf21("1","1","6","1","2","7","4","1") = "6"
    & skf21("1","1","6","1","2","7","5","1") = "6"
    & skf21("1","1","6","1","2","7","6","1") = "6"
    & skf21("1","1","6","1","2","7","7","1") = "6"
    & skf21("1","1","6","1","3","1","1","1") = "5"
    & skf21("1","1","6","1","3","1","2","1") = "5"
    & skf21("1","1","6","1","3","1","3","1") = "5"
    & skf21("1","1","6","1","3","1","4","1") = "5"
    & skf21("1","1","6","1","3","1","5","1") = "5"
    & skf21("1","1","6","1","3","1","6","1") = "5"
    & skf21("1","1","6","1","3","1","7","1") = "6"
    & skf21("1","1","6","1","3","2","1","1") = "5"
    & skf21("1","1","6","1","3","2","2","1") = "5"
    & skf21("1","1","6","1","3","2","3","1") = "5"
    & skf21("1","1","6","1","3","2","4","1") = "5"
    & skf21("1","1","6","1","3","2","5","1") = "5"
    & skf21("1","1","6","1","3","2","6","1") = "5"
    & skf21("1","1","6","1","3","2","7","1") = "6"
    & skf21("1","1","6","1","3","3","1","1") = "5"
    & skf21("1","1","6","1","3","3","2","1") = "5"
    & skf21("1","1","6","1","3","3","3","1") = "5"
    & skf21("1","1","6","1","3","3","4","1") = "5"
    & skf21("1","1","6","1","3","3","5","1") = "5"
    & skf21("1","1","6","1","3","3","6","1") = "5"
    & skf21("1","1","6","1","3","3","7","1") = "6"
    & skf21("1","1","6","1","3","4","1","1") = "5"
    & skf21("1","1","6","1","3","4","2","1") = "5"
    & skf21("1","1","6","1","3","4","3","1") = "5"
    & skf21("1","1","6","1","3","4","4","1") = "5"
    & skf21("1","1","6","1","3","4","5","1") = "5"
    & skf21("1","1","6","1","3","4","6","1") = "5"
    & skf21("1","1","6","1","3","4","7","1") = "6"
    & skf21("1","1","6","1","3","5","1","1") = "5"
    & skf21("1","1","6","1","3","5","2","1") = "5"
    & skf21("1","1","6","1","3","5","3","1") = "5"
    & skf21("1","1","6","1","3","5","4","1") = "5"
    & skf21("1","1","6","1","3","5","5","1") = "5"
    & skf21("1","1","6","1","3","5","6","1") = "5"
    & skf21("1","1","6","1","3","5","7","1") = "6"
    & skf21("1","1","6","1","3","6","1","1") = "5"
    & skf21("1","1","6","1","3","6","2","1") = "5"
    & skf21("1","1","6","1","3","6","3","1") = "5"
    & skf21("1","1","6","1","3","6","4","1") = "5"
    & skf21("1","1","6","1","3","6","5","1") = "5"
    & skf21("1","1","6","1","3","6","6","1") = "5"
    & skf21("1","1","6","1","3","6","7","1") = "6"
    & skf21("1","1","6","1","3","7","1","1") = "6"
    & skf21("1","1","6","1","3","7","2","1") = "6"
    & skf21("1","1","6","1","3","7","3","1") = "6"
    & skf21("1","1","6","1","3","7","4","1") = "6"
    & skf21("1","1","6","1","3","7","5","1") = "6"
    & skf21("1","1","6","1","3","7","6","1") = "6"
    & skf21("1","1","6","1","3","7","7","1") = "6"
    & skf21("1","1","6","1","4","1","1","1") = "5"
    & skf21("1","1","6","1","4","1","2","1") = "5"
    & skf21("1","1","6","1","4","1","3","1") = "5"
    & skf21("1","1","6","1","4","1","4","1") = "5"
    & skf21("1","1","6","1","4","1","5","1") = "5"
    & skf21("1","1","6","1","4","1","6","1") = "5"
    & skf21("1","1","6","1","4","1","7","1") = "6"
    & skf21("1","1","6","1","4","2","1","1") = "5"
    & skf21("1","1","6","1","4","2","2","1") = "5"
    & skf21("1","1","6","1","4","2","3","1") = "5"
    & skf21("1","1","6","1","4","2","4","1") = "5"
    & skf21("1","1","6","1","4","2","5","1") = "5"
    & skf21("1","1","6","1","4","2","6","1") = "5"
    & skf21("1","1","6","1","4","2","7","1") = "6"
    & skf21("1","1","6","1","4","3","1","1") = "5"
    & skf21("1","1","6","1","4","3","2","1") = "5"
    & skf21("1","1","6","1","4","3","3","1") = "5"
    & skf21("1","1","6","1","4","3","4","1") = "5"
    & skf21("1","1","6","1","4","3","5","1") = "5"
    & skf21("1","1","6","1","4","3","6","1") = "5"
    & skf21("1","1","6","1","4","3","7","1") = "6"
    & skf21("1","1","6","1","4","4","1","1") = "5"
    & skf21("1","1","6","1","4","4","2","1") = "5"
    & skf21("1","1","6","1","4","4","3","1") = "5"
    & skf21("1","1","6","1","4","4","4","1") = "5"
    & skf21("1","1","6","1","4","4","5","1") = "5"
    & skf21("1","1","6","1","4","4","6","1") = "5"
    & skf21("1","1","6","1","4","4","7","1") = "6"
    & skf21("1","1","6","1","4","5","1","1") = "5"
    & skf21("1","1","6","1","4","5","2","1") = "5"
    & skf21("1","1","6","1","4","5","3","1") = "5"
    & skf21("1","1","6","1","4","5","4","1") = "5"
    & skf21("1","1","6","1","4","5","5","1") = "5"
    & skf21("1","1","6","1","4","5","6","1") = "5"
    & skf21("1","1","6","1","4","5","7","1") = "6"
    & skf21("1","1","6","1","4","6","1","1") = "5"
    & skf21("1","1","6","1","4","6","2","1") = "5"
    & skf21("1","1","6","1","4","6","3","1") = "5"
    & skf21("1","1","6","1","4","6","4","1") = "5"
    & skf21("1","1","6","1","4","6","5","1") = "5"
    & skf21("1","1","6","1","4","6","6","1") = "5"
    & skf21("1","1","6","1","4","6","7","1") = "6"
    & skf21("1","1","6","1","4","7","1","1") = "6"
    & skf21("1","1","6","1","4","7","2","1") = "6"
    & skf21("1","1","6","1","4","7","3","1") = "6"
    & skf21("1","1","6","1","4","7","4","1") = "6"
    & skf21("1","1","6","1","4","7","5","1") = "6"
    & skf21("1","1","6","1","4","7","6","1") = "6"
    & skf21("1","1","6","1","4","7","7","1") = "6"
    & skf21("1","1","6","1","5","1","1","1") = "5"
    & skf21("1","1","6","1","5","1","2","1") = "5"
    & skf21("1","1","6","1","5","1","3","1") = "5"
    & skf21("1","1","6","1","5","1","4","1") = "5"
    & skf21("1","1","6","1","5","1","5","1") = "5"
    & skf21("1","1","6","1","5","1","6","1") = "5"
    & skf21("1","1","6","1","5","1","7","1") = "6"
    & skf21("1","1","6","1","5","2","1","1") = "5"
    & skf21("1","1","6","1","5","2","2","1") = "5"
    & skf21("1","1","6","1","5","2","3","1") = "5"
    & skf21("1","1","6","1","5","2","4","1") = "5"
    & skf21("1","1","6","1","5","2","5","1") = "5"
    & skf21("1","1","6","1","5","2","6","1") = "5"
    & skf21("1","1","6","1","5","2","7","1") = "6"
    & skf21("1","1","6","1","5","3","1","1") = "5"
    & skf21("1","1","6","1","5","3","2","1") = "5"
    & skf21("1","1","6","1","5","3","3","1") = "5"
    & skf21("1","1","6","1","5","3","4","1") = "5"
    & skf21("1","1","6","1","5","3","5","1") = "5"
    & skf21("1","1","6","1","5","3","6","1") = "5"
    & skf21("1","1","6","1","5","3","7","1") = "6"
    & skf21("1","1","6","1","5","4","1","1") = "5"
    & skf21("1","1","6","1","5","4","2","1") = "5"
    & skf21("1","1","6","1","5","4","3","1") = "5"
    & skf21("1","1","6","1","5","4","4","1") = "5"
    & skf21("1","1","6","1","5","4","5","1") = "5"
    & skf21("1","1","6","1","5","4","6","1") = "5"
    & skf21("1","1","6","1","5","4","7","1") = "6"
    & skf21("1","1","6","1","5","5","1","1") = "5"
    & skf21("1","1","6","1","5","5","2","1") = "5"
    & skf21("1","1","6","1","5","5","3","1") = "5"
    & skf21("1","1","6","1","5","5","4","1") = "5"
    & skf21("1","1","6","1","5","5","5","1") = "5"
    & skf21("1","1","6","1","5","5","6","1") = "5"
    & skf21("1","1","6","1","5","5","7","1") = "6"
    & skf21("1","1","6","1","5","6","1","1") = "5"
    & skf21("1","1","6","1","5","6","2","1") = "5"
    & skf21("1","1","6","1","5","6","3","1") = "5"
    & skf21("1","1","6","1","5","6","4","1") = "5"
    & skf21("1","1","6","1","5","6","5","1") = "5"
    & skf21("1","1","6","1","5","6","6","1") = "5"
    & skf21("1","1","6","1","5","6","7","1") = "6"
    & skf21("1","1","6","1","5","7","1","1") = "6"
    & skf21("1","1","6","1","5","7","2","1") = "6"
    & skf21("1","1","6","1","5","7","3","1") = "6"
    & skf21("1","1","6","1","5","7","4","1") = "6"
    & skf21("1","1","6","1","5","7","5","1") = "6"
    & skf21("1","1","6","1","5","7","6","1") = "6"
    & skf21("1","1","6","1","5","7","7","1") = "6"
    & skf21("1","1","6","1","6","1","1","1") = "5"
    & skf21("1","1","6","1","6","1","2","1") = "5"
    & skf21("1","1","6","1","6","1","3","1") = "5"
    & skf21("1","1","6","1","6","1","4","1") = "5"
    & skf21("1","1","6","1","6","1","5","1") = "5"
    & skf21("1","1","6","1","6","1","6","1") = "5"
    & skf21("1","1","6","1","6","1","7","1") = "6"
    & skf21("1","1","6","1","6","2","1","1") = "5"
    & skf21("1","1","6","1","6","2","2","1") = "5"
    & skf21("1","1","6","1","6","2","3","1") = "5"
    & skf21("1","1","6","1","6","2","4","1") = "5"
    & skf21("1","1","6","1","6","2","5","1") = "5"
    & skf21("1","1","6","1","6","2","6","1") = "5"
    & skf21("1","1","6","1","6","2","7","1") = "6"
    & skf21("1","1","6","1","6","3","1","1") = "5"
    & skf21("1","1","6","1","6","3","2","1") = "5"
    & skf21("1","1","6","1","6","3","3","1") = "5"
    & skf21("1","1","6","1","6","3","4","1") = "5"
    & skf21("1","1","6","1","6","3","5","1") = "5"
    & skf21("1","1","6","1","6","3","6","1") = "5"
    & skf21("1","1","6","1","6","3","7","1") = "6"
    & skf21("1","1","6","1","6","4","1","1") = "5"
    & skf21("1","1","6","1","6","4","2","1") = "5"
    & skf21("1","1","6","1","6","4","3","1") = "5"
    & skf21("1","1","6","1","6","4","4","1") = "5"
    & skf21("1","1","6","1","6","4","5","1") = "5"
    & skf21("1","1","6","1","6","4","6","1") = "5"
    & skf21("1","1","6","1","6","4","7","1") = "6"
    & skf21("1","1","6","1","6","5","1","1") = "5"
    & skf21("1","1","6","1","6","5","2","1") = "5"
    & skf21("1","1","6","1","6","5","3","1") = "5"
    & skf21("1","1","6","1","6","5","4","1") = "5"
    & skf21("1","1","6","1","6","5","5","1") = "5"
    & skf21("1","1","6","1","6","5","6","1") = "5"
    & skf21("1","1","6","1","6","5","7","1") = "6"
    & skf21("1","1","6","1","6","6","1","1") = "5"
    & skf21("1","1","6","1","6","6","2","1") = "5"
    & skf21("1","1","6","1","6","6","3","1") = "5"
    & skf21("1","1","6","1","6","6","4","1") = "5"
    & skf21("1","1","6","1","6","6","5","1") = "5"
    & skf21("1","1","6","1","6","6","6","1") = "5"
    & skf21("1","1","6","1","6","6","7","1") = "6"
    & skf21("1","1","6","1","6","7","1","1") = "6"
    & skf21("1","1","6","1","6","7","2","1") = "6"
    & skf21("1","1","6","1","6","7","3","1") = "6"
    & skf21("1","1","6","1","6","7","4","1") = "6"
    & skf21("1","1","6","1","6","7","5","1") = "6"
    & skf21("1","1","6","1","6","7","6","1") = "6"
    & skf21("1","1","6","1","6","7","7","1") = "6"
    & skf21("1","1","6","1","7","1","1","1") = "6"
    & skf21("1","1","6","1","7","1","2","1") = "6"
    & skf21("1","1","6","1","7","1","3","1") = "6"
    & skf21("1","1","6","1","7","1","4","1") = "6"
    & skf21("1","1","6","1","7","1","5","1") = "6"
    & skf21("1","1","6","1","7","1","6","1") = "6"
    & skf21("1","1","6","1","7","1","7","1") = "6"
    & skf21("1","1","6","1","7","2","1","1") = "6"
    & skf21("1","1","6","1","7","2","2","1") = "6"
    & skf21("1","1","6","1","7","2","3","1") = "6"
    & skf21("1","1","6","1","7","2","4","1") = "6"
    & skf21("1","1","6","1","7","2","5","1") = "6"
    & skf21("1","1","6","1","7","2","6","1") = "6"
    & skf21("1","1","6","1","7","2","7","1") = "6"
    & skf21("1","1","6","1","7","3","1","1") = "6"
    & skf21("1","1","6","1","7","3","2","1") = "6"
    & skf21("1","1","6","1","7","3","3","1") = "6"
    & skf21("1","1","6","1","7","3","4","1") = "6"
    & skf21("1","1","6","1","7","3","5","1") = "6"
    & skf21("1","1","6","1","7","3","6","1") = "6"
    & skf21("1","1","6","1","7","3","7","1") = "6"
    & skf21("1","1","6","1","7","4","1","1") = "6"
    & skf21("1","1","6","1","7","4","2","1") = "6"
    & skf21("1","1","6","1","7","4","3","1") = "6"
    & skf21("1","1","6","1","7","4","4","1") = "6"
    & skf21("1","1","6","1","7","4","5","1") = "6"
    & skf21("1","1","6","1","7","4","6","1") = "6"
    & skf21("1","1","6","1","7","4","7","1") = "6"
    & skf21("1","1","6","1","7","5","1","1") = "6"
    & skf21("1","1","6","1","7","5","2","1") = "6"
    & skf21("1","1","6","1","7","5","3","1") = "6"
    & skf21("1","1","6","1","7","5","4","1") = "6"
    & skf21("1","1","6","1","7","5","5","1") = "6"
    & skf21("1","1","6","1","7","5","6","1") = "6"
    & skf21("1","1","6","1","7","5","7","1") = "6"
    & skf21("1","1","6","1","7","6","1","1") = "6"
    & skf21("1","1","6","1","7","6","2","1") = "6"
    & skf21("1","1","6","1","7","6","3","1") = "6"
    & skf21("1","1","6","1","7","6","4","1") = "6"
    & skf21("1","1","6","1","7","6","5","1") = "6"
    & skf21("1","1","6","1","7","6","6","1") = "6"
    & skf21("1","1","6","1","7","6","7","1") = "6"
    & skf21("1","1","6","1","7","7","1","1") = "6"
    & skf21("1","1","6","1","7","7","2","1") = "6"
    & skf21("1","1","6","1","7","7","3","1") = "6"
    & skf21("1","1","6","1","7","7","4","1") = "6"
    & skf21("1","1","6","1","7","7","5","1") = "6"
    & skf21("1","1","6","1","7","7","6","1") = "6"
    & skf21("1","1","6","1","7","7","7","1") = "6"
    & skf21("1","1","6","2","1","1","1","1") = "5"
    & skf21("1","1","6","2","1","1","2","1") = "5"
    & skf21("1","1","6","2","1","1","3","1") = "5"
    & skf21("1","1","6","2","1","1","4","1") = "5"
    & skf21("1","1","6","2","1","1","5","1") = "5"
    & skf21("1","1","6","2","1","1","6","1") = "5"
    & skf21("1","1","6","2","1","1","7","1") = "6"
    & skf21("1","1","6","2","1","2","1","1") = "5"
    & skf21("1","1","6","2","1","2","2","1") = "5"
    & skf21("1","1","6","2","1","2","3","1") = "5"
    & skf21("1","1","6","2","1","2","4","1") = "5"
    & skf21("1","1","6","2","1","2","5","1") = "5"
    & skf21("1","1","6","2","1","2","6","1") = "5"
    & skf21("1","1","6","2","1","2","7","1") = "6"
    & skf21("1","1","6","2","1","3","1","1") = "5"
    & skf21("1","1","6","2","1","3","2","1") = "5"
    & skf21("1","1","6","2","1","3","3","1") = "5"
    & skf21("1","1","6","2","1","3","4","1") = "5"
    & skf21("1","1","6","2","1","3","5","1") = "5"
    & skf21("1","1","6","2","1","3","6","1") = "5"
    & skf21("1","1","6","2","1","3","7","1") = "6"
    & skf21("1","1","6","2","1","4","1","1") = "5"
    & skf21("1","1","6","2","1","4","2","1") = "5"
    & skf21("1","1","6","2","1","4","3","1") = "5"
    & skf21("1","1","6","2","1","4","4","1") = "5"
    & skf21("1","1","6","2","1","4","5","1") = "5"
    & skf21("1","1","6","2","1","4","6","1") = "5"
    & skf21("1","1","6","2","1","4","7","1") = "6"
    & skf21("1","1","6","2","1","5","1","1") = "5"
    & skf21("1","1","6","2","1","5","2","1") = "5"
    & skf21("1","1","6","2","1","5","3","1") = "5"
    & skf21("1","1","6","2","1","5","4","1") = "5"
    & skf21("1","1","6","2","1","5","5","1") = "5"
    & skf21("1","1","6","2","1","5","6","1") = "5"
    & skf21("1","1","6","2","1","5","7","1") = "6"
    & skf21("1","1","6","2","1","6","1","1") = "5"
    & skf21("1","1","6","2","1","6","2","1") = "5"
    & skf21("1","1","6","2","1","6","3","1") = "5"
    & skf21("1","1","6","2","1","6","4","1") = "5"
    & skf21("1","1","6","2","1","6","5","1") = "5"
    & skf21("1","1","6","2","1","6","6","1") = "5"
    & skf21("1","1","6","2","1","6","7","1") = "6"
    & skf21("1","1","6","2","1","7","1","1") = "6"
    & skf21("1","1","6","2","1","7","2","1") = "6"
    & skf21("1","1","6","2","1","7","3","1") = "6"
    & skf21("1","1","6","2","1","7","4","1") = "6"
    & skf21("1","1","6","2","1","7","5","1") = "6"
    & skf21("1","1","6","2","1","7","6","1") = "6"
    & skf21("1","1","6","2","1","7","7","1") = "6"
    & skf21("1","1","6","2","2","1","1","1") = "5"
    & skf21("1","1","6","2","2","1","2","1") = "5"
    & skf21("1","1","6","2","2","1","3","1") = "5"
    & skf21("1","1","6","2","2","1","4","1") = "5"
    & skf21("1","1","6","2","2","1","5","1") = "5"
    & skf21("1","1","6","2","2","1","6","1") = "5"
    & skf21("1","1","6","2","2","1","7","1") = "6"
    & skf21("1","1","6","2","2","2","1","1") = "5"
    & skf21("1","1","6","2","2","2","2","1") = "5"
    & skf21("1","1","6","2","2","2","3","1") = "5"
    & skf21("1","1","6","2","2","2","4","1") = "5"
    & skf21("1","1","6","2","2","2","5","1") = "5"
    & skf21("1","1","6","2","2","2","6","1") = "5"
    & skf21("1","1","6","2","2","2","7","1") = "6"
    & skf21("1","1","6","2","2","3","1","1") = "5"
    & skf21("1","1","6","2","2","3","2","1") = "5"
    & skf21("1","1","6","2","2","3","3","1") = "5"
    & skf21("1","1","6","2","2","3","4","1") = "5"
    & skf21("1","1","6","2","2","3","5","1") = "5"
    & skf21("1","1","6","2","2","3","6","1") = "5"
    & skf21("1","1","6","2","2","3","7","1") = "6"
    & skf21("1","1","6","2","2","4","1","1") = "5"
    & skf21("1","1","6","2","2","4","2","1") = "5"
    & skf21("1","1","6","2","2","4","3","1") = "5"
    & skf21("1","1","6","2","2","4","4","1") = "5"
    & skf21("1","1","6","2","2","4","5","1") = "5"
    & skf21("1","1","6","2","2","4","6","1") = "5"
    & skf21("1","1","6","2","2","4","7","1") = "6"
    & skf21("1","1","6","2","2","5","1","1") = "5"
    & skf21("1","1","6","2","2","5","2","1") = "5"
    & skf21("1","1","6","2","2","5","3","1") = "5"
    & skf21("1","1","6","2","2","5","4","1") = "5"
    & skf21("1","1","6","2","2","5","5","1") = "5"
    & skf21("1","1","6","2","2","5","6","1") = "5"
    & skf21("1","1","6","2","2","5","7","1") = "6"
    & skf21("1","1","6","2","2","6","1","1") = "5"
    & skf21("1","1","6","2","2","6","2","1") = "5"
    & skf21("1","1","6","2","2","6","3","1") = "5"
    & skf21("1","1","6","2","2","6","4","1") = "5"
    & skf21("1","1","6","2","2","6","5","1") = "5"
    & skf21("1","1","6","2","2","6","6","1") = "5"
    & skf21("1","1","6","2","2","6","7","1") = "6"
    & skf21("1","1","6","2","2","7","1","1") = "6"
    & skf21("1","1","6","2","2","7","2","1") = "6"
    & skf21("1","1","6","2","2","7","3","1") = "6"
    & skf21("1","1","6","2","2","7","4","1") = "6"
    & skf21("1","1","6","2","2","7","5","1") = "6"
    & skf21("1","1","6","2","2","7","6","1") = "6"
    & skf21("1","1","6","2","2","7","7","1") = "6"
    & skf21("1","1","6","2","3","1","1","1") = "5"
    & skf21("1","1","6","2","3","1","2","1") = "5"
    & skf21("1","1","6","2","3","1","3","1") = "5"
    & skf21("1","1","6","2","3","1","4","1") = "5"
    & skf21("1","1","6","2","3","1","5","1") = "5"
    & skf21("1","1","6","2","3","1","6","1") = "5"
    & skf21("1","1","6","2","3","1","7","1") = "6"
    & skf21("1","1","6","2","3","2","1","1") = "5"
    & skf21("1","1","6","2","3","2","2","1") = "5"
    & skf21("1","1","6","2","3","2","3","1") = "5"
    & skf21("1","1","6","2","3","2","4","1") = "5"
    & skf21("1","1","6","2","3","2","5","1") = "5"
    & skf21("1","1","6","2","3","2","6","1") = "5"
    & skf21("1","1","6","2","3","2","7","1") = "6"
    & skf21("1","1","6","2","3","3","1","1") = "5"
    & skf21("1","1","6","2","3","3","2","1") = "5"
    & skf21("1","1","6","2","3","3","3","1") = "5"
    & skf21("1","1","6","2","3","3","4","1") = "5"
    & skf21("1","1","6","2","3","3","5","1") = "5"
    & skf21("1","1","6","2","3","3","6","1") = "5"
    & skf21("1","1","6","2","3","3","7","1") = "6"
    & skf21("1","1","6","2","3","4","1","1") = "5"
    & skf21("1","1","6","2","3","4","2","1") = "5"
    & skf21("1","1","6","2","3","4","3","1") = "5"
    & skf21("1","1","6","2","3","4","4","1") = "5"
    & skf21("1","1","6","2","3","4","5","1") = "5"
    & skf21("1","1","6","2","3","4","6","1") = "5"
    & skf21("1","1","6","2","3","4","7","1") = "6"
    & skf21("1","1","6","2","3","5","1","1") = "5"
    & skf21("1","1","6","2","3","5","2","1") = "5"
    & skf21("1","1","6","2","3","5","3","1") = "5"
    & skf21("1","1","6","2","3","5","4","1") = "5"
    & skf21("1","1","6","2","3","5","5","1") = "5"
    & skf21("1","1","6","2","3","5","6","1") = "5"
    & skf21("1","1","6","2","3","5","7","1") = "6"
    & skf21("1","1","6","2","3","6","1","1") = "5"
    & skf21("1","1","6","2","3","6","2","1") = "5"
    & skf21("1","1","6","2","3","6","3","1") = "5"
    & skf21("1","1","6","2","3","6","4","1") = "5"
    & skf21("1","1","6","2","3","6","5","1") = "5"
    & skf21("1","1","6","2","3","6","6","1") = "5"
    & skf21("1","1","6","2","3","6","7","1") = "6"
    & skf21("1","1","6","2","3","7","1","1") = "6"
    & skf21("1","1","6","2","3","7","2","1") = "6"
    & skf21("1","1","6","2","3","7","3","1") = "6"
    & skf21("1","1","6","2","3","7","4","1") = "6"
    & skf21("1","1","6","2","3","7","5","1") = "6"
    & skf21("1","1","6","2","3","7","6","1") = "6"
    & skf21("1","1","6","2","3","7","7","1") = "6"
    & skf21("1","1","6","2","4","1","1","1") = "5"
    & skf21("1","1","6","2","4","1","2","1") = "5"
    & skf21("1","1","6","2","4","1","3","1") = "5"
    & skf21("1","1","6","2","4","1","4","1") = "5"
    & skf21("1","1","6","2","4","1","5","1") = "5"
    & skf21("1","1","6","2","4","1","6","1") = "5"
    & skf21("1","1","6","2","4","1","7","1") = "6"
    & skf21("1","1","6","2","4","2","1","1") = "5"
    & skf21("1","1","6","2","4","2","2","1") = "5"
    & skf21("1","1","6","2","4","2","3","1") = "5"
    & skf21("1","1","6","2","4","2","4","1") = "5"
    & skf21("1","1","6","2","4","2","5","1") = "5"
    & skf21("1","1","6","2","4","2","6","1") = "5"
    & skf21("1","1","6","2","4","2","7","1") = "6"
    & skf21("1","1","6","2","4","3","1","1") = "5"
    & skf21("1","1","6","2","4","3","2","1") = "5"
    & skf21("1","1","6","2","4","3","3","1") = "5"
    & skf21("1","1","6","2","4","3","4","1") = "5"
    & skf21("1","1","6","2","4","3","5","1") = "5"
    & skf21("1","1","6","2","4","3","6","1") = "5"
    & skf21("1","1","6","2","4","3","7","1") = "6"
    & skf21("1","1","6","2","4","4","1","1") = "5"
    & skf21("1","1","6","2","4","4","2","1") = "5"
    & skf21("1","1","6","2","4","4","3","1") = "5"
    & skf21("1","1","6","2","4","4","4","1") = "5"
    & skf21("1","1","6","2","4","4","5","1") = "5"
    & skf21("1","1","6","2","4","4","6","1") = "5"
    & skf21("1","1","6","2","4","4","7","1") = "6"
    & skf21("1","1","6","2","4","5","1","1") = "5"
    & skf21("1","1","6","2","4","5","2","1") = "5"
    & skf21("1","1","6","2","4","5","3","1") = "5"
    & skf21("1","1","6","2","4","5","4","1") = "5"
    & skf21("1","1","6","2","4","5","5","1") = "5"
    & skf21("1","1","6","2","4","5","6","1") = "5"
    & skf21("1","1","6","2","4","5","7","1") = "6"
    & skf21("1","1","6","2","4","6","1","1") = "5"
    & skf21("1","1","6","2","4","6","2","1") = "5"
    & skf21("1","1","6","2","4","6","3","1") = "5"
    & skf21("1","1","6","2","4","6","4","1") = "5"
    & skf21("1","1","6","2","4","6","5","1") = "5"
    & skf21("1","1","6","2","4","6","6","1") = "5"
    & skf21("1","1","6","2","4","6","7","1") = "6"
    & skf21("1","1","6","2","4","7","1","1") = "6"
    & skf21("1","1","6","2","4","7","2","1") = "6"
    & skf21("1","1","6","2","4","7","3","1") = "6"
    & skf21("1","1","6","2","4","7","4","1") = "6"
    & skf21("1","1","6","2","4","7","5","1") = "6"
    & skf21("1","1","6","2","4","7","6","1") = "6"
    & skf21("1","1","6","2","4","7","7","1") = "6"
    & skf21("1","1","6","2","5","1","1","1") = "5"
    & skf21("1","1","6","2","5","1","2","1") = "5"
    & skf21("1","1","6","2","5","1","3","1") = "5"
    & skf21("1","1","6","2","5","1","4","1") = "5"
    & skf21("1","1","6","2","5","1","5","1") = "5"
    & skf21("1","1","6","2","5","1","6","1") = "5"
    & skf21("1","1","6","2","5","1","7","1") = "6"
    & skf21("1","1","6","2","5","2","1","1") = "5"
    & skf21("1","1","6","2","5","2","2","1") = "5"
    & skf21("1","1","6","2","5","2","3","1") = "5"
    & skf21("1","1","6","2","5","2","4","1") = "5"
    & skf21("1","1","6","2","5","2","5","1") = "5"
    & skf21("1","1","6","2","5","2","6","1") = "5"
    & skf21("1","1","6","2","5","2","7","1") = "6"
    & skf21("1","1","6","2","5","3","1","1") = "5"
    & skf21("1","1","6","2","5","3","2","1") = "5"
    & skf21("1","1","6","2","5","3","3","1") = "5"
    & skf21("1","1","6","2","5","3","4","1") = "5"
    & skf21("1","1","6","2","5","3","5","1") = "5"
    & skf21("1","1","6","2","5","3","6","1") = "5"
    & skf21("1","1","6","2","5","3","7","1") = "6"
    & skf21("1","1","6","2","5","4","1","1") = "5"
    & skf21("1","1","6","2","5","4","2","1") = "5"
    & skf21("1","1","6","2","5","4","3","1") = "5"
    & skf21("1","1","6","2","5","4","4","1") = "5"
    & skf21("1","1","6","2","5","4","5","1") = "5"
    & skf21("1","1","6","2","5","4","6","1") = "5"
    & skf21("1","1","6","2","5","4","7","1") = "6"
    & skf21("1","1","6","2","5","5","1","1") = "5"
    & skf21("1","1","6","2","5","5","2","1") = "5"
    & skf21("1","1","6","2","5","5","3","1") = "5"
    & skf21("1","1","6","2","5","5","4","1") = "5"
    & skf21("1","1","6","2","5","5","5","1") = "5"
    & skf21("1","1","6","2","5","5","6","1") = "5"
    & skf21("1","1","6","2","5","5","7","1") = "6"
    & skf21("1","1","6","2","5","6","1","1") = "5"
    & skf21("1","1","6","2","5","6","2","1") = "5"
    & skf21("1","1","6","2","5","6","3","1") = "5"
    & skf21("1","1","6","2","5","6","4","1") = "5"
    & skf21("1","1","6","2","5","6","5","1") = "5"
    & skf21("1","1","6","2","5","6","6","1") = "5"
    & skf21("1","1","6","2","5","6","7","1") = "6"
    & skf21("1","1","6","2","5","7","1","1") = "6"
    & skf21("1","1","6","2","5","7","2","1") = "6"
    & skf21("1","1","6","2","5","7","3","1") = "6"
    & skf21("1","1","6","2","5","7","4","1") = "6"
    & skf21("1","1","6","2","5","7","5","1") = "6"
    & skf21("1","1","6","2","5","7","6","1") = "6"
    & skf21("1","1","6","2","5","7","7","1") = "6"
    & skf21("1","1","6","2","6","1","1","1") = "5"
    & skf21("1","1","6","2","6","1","2","1") = "5"
    & skf21("1","1","6","2","6","1","3","1") = "5"
    & skf21("1","1","6","2","6","1","4","1") = "5"
    & skf21("1","1","6","2","6","1","5","1") = "5"
    & skf21("1","1","6","2","6","1","6","1") = "5"
    & skf21("1","1","6","2","6","1","7","1") = "6"
    & skf21("1","1","6","2","6","2","1","1") = "5"
    & skf21("1","1","6","2","6","2","2","1") = "5"
    & skf21("1","1","6","2","6","2","3","1") = "5"
    & skf21("1","1","6","2","6","2","4","1") = "5"
    & skf21("1","1","6","2","6","2","5","1") = "5"
    & skf21("1","1","6","2","6","2","6","1") = "5"
    & skf21("1","1","6","2","6","2","7","1") = "6"
    & skf21("1","1","6","2","6","3","1","1") = "5"
    & skf21("1","1","6","2","6","3","2","1") = "5"
    & skf21("1","1","6","2","6","3","3","1") = "5"
    & skf21("1","1","6","2","6","3","4","1") = "5"
    & skf21("1","1","6","2","6","3","5","1") = "5"
    & skf21("1","1","6","2","6","3","6","1") = "5"
    & skf21("1","1","6","2","6","3","7","1") = "6"
    & skf21("1","1","6","2","6","4","1","1") = "5"
    & skf21("1","1","6","2","6","4","2","1") = "5"
    & skf21("1","1","6","2","6","4","3","1") = "5"
    & skf21("1","1","6","2","6","4","4","1") = "5"
    & skf21("1","1","6","2","6","4","5","1") = "5"
    & skf21("1","1","6","2","6","4","6","1") = "5"
    & skf21("1","1","6","2","6","4","7","1") = "6"
    & skf21("1","1","6","2","6","5","1","1") = "5"
    & skf21("1","1","6","2","6","5","2","1") = "5"
    & skf21("1","1","6","2","6","5","3","1") = "5"
    & skf21("1","1","6","2","6","5","4","1") = "5"
    & skf21("1","1","6","2","6","5","5","1") = "5"
    & skf21("1","1","6","2","6","5","6","1") = "5"
    & skf21("1","1","6","2","6","5","7","1") = "6"
    & skf21("1","1","6","2","6","6","1","1") = "5"
    & skf21("1","1","6","2","6","6","2","1") = "5"
    & skf21("1","1","6","2","6","6","3","1") = "5"
    & skf21("1","1","6","2","6","6","4","1") = "5"
    & skf21("1","1","6","2","6","6","5","1") = "5"
    & skf21("1","1","6","2","6","6","6","1") = "5"
    & skf21("1","1","6","2","6","6","7","1") = "6"
    & skf21("1","1","6","2","6","7","1","1") = "6"
    & skf21("1","1","6","2","6","7","2","1") = "6"
    & skf21("1","1","6","2","6","7","3","1") = "6"
    & skf21("1","1","6","2","6","7","4","1") = "6"
    & skf21("1","1","6","2","6","7","5","1") = "6"
    & skf21("1","1","6","2","6","7","6","1") = "6"
    & skf21("1","1","6","2","6","7","7","1") = "6"
    & skf21("1","1","6","2","7","1","1","1") = "6"
    & skf21("1","1","6","2","7","1","2","1") = "6"
    & skf21("1","1","6","2","7","1","3","1") = "6"
    & skf21("1","1","6","2","7","1","4","1") = "6"
    & skf21("1","1","6","2","7","1","5","1") = "6"
    & skf21("1","1","6","2","7","1","6","1") = "6"
    & skf21("1","1","6","2","7","1","7","1") = "6"
    & skf21("1","1","6","2","7","2","1","1") = "6"
    & skf21("1","1","6","2","7","2","2","1") = "6"
    & skf21("1","1","6","2","7","2","3","1") = "6"
    & skf21("1","1","6","2","7","2","4","1") = "6"
    & skf21("1","1","6","2","7","2","5","1") = "6"
    & skf21("1","1","6","2","7","2","6","1") = "6"
    & skf21("1","1","6","2","7","2","7","1") = "6"
    & skf21("1","1","6","2","7","3","1","1") = "6"
    & skf21("1","1","6","2","7","3","2","1") = "6"
    & skf21("1","1","6","2","7","3","3","1") = "6"
    & skf21("1","1","6","2","7","3","4","1") = "6"
    & skf21("1","1","6","2","7","3","5","1") = "6"
    & skf21("1","1","6","2","7","3","6","1") = "6"
    & skf21("1","1","6","2","7","3","7","1") = "6"
    & skf21("1","1","6","2","7","4","1","1") = "6"
    & skf21("1","1","6","2","7","4","2","1") = "6"
    & skf21("1","1","6","2","7","4","3","1") = "6"
    & skf21("1","1","6","2","7","4","4","1") = "6"
    & skf21("1","1","6","2","7","4","5","1") = "6"
    & skf21("1","1","6","2","7","4","6","1") = "6"
    & skf21("1","1","6","2","7","4","7","1") = "6"
    & skf21("1","1","6","2","7","5","1","1") = "6"
    & skf21("1","1","6","2","7","5","2","1") = "6"
    & skf21("1","1","6","2","7","5","3","1") = "6"
    & skf21("1","1","6","2","7","5","4","1") = "6"
    & skf21("1","1","6","2","7","5","5","1") = "6"
    & skf21("1","1","6","2","7","5","6","1") = "6"
    & skf21("1","1","6","2","7","5","7","1") = "6"
    & skf21("1","1","6","2","7","6","1","1") = "6"
    & skf21("1","1","6","2","7","6","2","1") = "6"
    & skf21("1","1","6","2","7","6","3","1") = "6"
    & skf21("1","1","6","2","7","6","4","1") = "6"
    & skf21("1","1","6","2","7","6","5","1") = "6"
    & skf21("1","1","6","2","7","6","6","1") = "6"
    & skf21("1","1","6","2","7","6","7","1") = "6"
    & skf21("1","1","6","2","7","7","1","1") = "6"
    & skf21("1","1","6","2","7","7","2","1") = "6"
    & skf21("1","1","6","2","7","7","3","1") = "6"
    & skf21("1","1","6","2","7","7","4","1") = "6"
    & skf21("1","1","6","2","7","7","5","1") = "6"
    & skf21("1","1","6","2","7","7","6","1") = "6"
    & skf21("1","1","6","2","7","7","7","1") = "6"
    & skf21("1","1","6","3","1","1","1","1") = "5"
    & skf21("1","1","6","3","1","1","2","1") = "5"
    & skf21("1","1","6","3","1","1","3","1") = "5"
    & skf21("1","1","6","3","1","1","4","1") = "5"
    & skf21("1","1","6","3","1","1","5","1") = "5"
    & skf21("1","1","6","3","1","1","6","1") = "5"
    & skf21("1","1","6","3","1","1","7","1") = "6"
    & skf21("1","1","6","3","1","2","1","1") = "5"
    & skf21("1","1","6","3","1","2","2","1") = "5"
    & skf21("1","1","6","3","1","2","3","1") = "5"
    & skf21("1","1","6","3","1","2","4","1") = "5"
    & skf21("1","1","6","3","1","2","5","1") = "5"
    & skf21("1","1","6","3","1","2","6","1") = "5"
    & skf21("1","1","6","3","1","2","7","1") = "6"
    & skf21("1","1","6","3","1","3","1","1") = "5"
    & skf21("1","1","6","3","1","3","2","1") = "5"
    & skf21("1","1","6","3","1","3","3","1") = "5"
    & skf21("1","1","6","3","1","3","4","1") = "5"
    & skf21("1","1","6","3","1","3","5","1") = "5"
    & skf21("1","1","6","3","1","3","6","1") = "5"
    & skf21("1","1","6","3","1","3","7","1") = "6"
    & skf21("1","1","6","3","1","4","1","1") = "5"
    & skf21("1","1","6","3","1","4","2","1") = "5"
    & skf21("1","1","6","3","1","4","3","1") = "5"
    & skf21("1","1","6","3","1","4","4","1") = "5"
    & skf21("1","1","6","3","1","4","5","1") = "5"
    & skf21("1","1","6","3","1","4","6","1") = "5"
    & skf21("1","1","6","3","1","4","7","1") = "6"
    & skf21("1","1","6","3","1","5","1","1") = "5"
    & skf21("1","1","6","3","1","5","2","1") = "5"
    & skf21("1","1","6","3","1","5","3","1") = "5"
    & skf21("1","1","6","3","1","5","4","1") = "5"
    & skf21("1","1","6","3","1","5","5","1") = "5"
    & skf21("1","1","6","3","1","5","6","1") = "5"
    & skf21("1","1","6","3","1","5","7","1") = "6"
    & skf21("1","1","6","3","1","6","1","1") = "5"
    & skf21("1","1","6","3","1","6","2","1") = "5"
    & skf21("1","1","6","3","1","6","3","1") = "5"
    & skf21("1","1","6","3","1","6","4","1") = "5"
    & skf21("1","1","6","3","1","6","5","1") = "5"
    & skf21("1","1","6","3","1","6","6","1") = "5"
    & skf21("1","1","6","3","1","6","7","1") = "6"
    & skf21("1","1","6","3","1","7","1","1") = "6"
    & skf21("1","1","6","3","1","7","2","1") = "6"
    & skf21("1","1","6","3","1","7","3","1") = "6"
    & skf21("1","1","6","3","1","7","4","1") = "6"
    & skf21("1","1","6","3","1","7","5","1") = "6"
    & skf21("1","1","6","3","1","7","6","1") = "6"
    & skf21("1","1","6","3","1","7","7","1") = "6"
    & skf21("1","1","6","3","2","1","1","1") = "5"
    & skf21("1","1","6","3","2","1","2","1") = "5"
    & skf21("1","1","6","3","2","1","3","1") = "5"
    & skf21("1","1","6","3","2","1","4","1") = "5"
    & skf21("1","1","6","3","2","1","5","1") = "5"
    & skf21("1","1","6","3","2","1","6","1") = "5"
    & skf21("1","1","6","3","2","1","7","1") = "6"
    & skf21("1","1","6","3","2","2","1","1") = "5"
    & skf21("1","1","6","3","2","2","2","1") = "5"
    & skf21("1","1","6","3","2","2","3","1") = "5"
    & skf21("1","1","6","3","2","2","4","1") = "5"
    & skf21("1","1","6","3","2","2","5","1") = "5"
    & skf21("1","1","6","3","2","2","6","1") = "5"
    & skf21("1","1","6","3","2","2","7","1") = "6"
    & skf21("1","1","6","3","2","3","1","1") = "5"
    & skf21("1","1","6","3","2","3","2","1") = "5"
    & skf21("1","1","6","3","2","3","3","1") = "5"
    & skf21("1","1","6","3","2","3","4","1") = "5"
    & skf21("1","1","6","3","2","3","5","1") = "5"
    & skf21("1","1","6","3","2","3","6","1") = "5"
    & skf21("1","1","6","3","2","3","7","1") = "6"
    & skf21("1","1","6","3","2","4","1","1") = "5"
    & skf21("1","1","6","3","2","4","2","1") = "5"
    & skf21("1","1","6","3","2","4","3","1") = "5"
    & skf21("1","1","6","3","2","4","4","1") = "5"
    & skf21("1","1","6","3","2","4","5","1") = "5"
    & skf21("1","1","6","3","2","4","6","1") = "5"
    & skf21("1","1","6","3","2","4","7","1") = "6"
    & skf21("1","1","6","3","2","5","1","1") = "5"
    & skf21("1","1","6","3","2","5","2","1") = "5"
    & skf21("1","1","6","3","2","5","3","1") = "5"
    & skf21("1","1","6","3","2","5","4","1") = "5"
    & skf21("1","1","6","3","2","5","5","1") = "5"
    & skf21("1","1","6","3","2","5","6","1") = "5"
    & skf21("1","1","6","3","2","5","7","1") = "6"
    & skf21("1","1","6","3","2","6","1","1") = "5"
    & skf21("1","1","6","3","2","6","2","1") = "5"
    & skf21("1","1","6","3","2","6","3","1") = "5"
    & skf21("1","1","6","3","2","6","4","1") = "5"
    & skf21("1","1","6","3","2","6","5","1") = "5"
    & skf21("1","1","6","3","2","6","6","1") = "5"
    & skf21("1","1","6","3","2","6","7","1") = "6"
    & skf21("1","1","6","3","2","7","1","1") = "6"
    & skf21("1","1","6","3","2","7","2","1") = "6"
    & skf21("1","1","6","3","2","7","3","1") = "6"
    & skf21("1","1","6","3","2","7","4","1") = "6"
    & skf21("1","1","6","3","2","7","5","1") = "6"
    & skf21("1","1","6","3","2","7","6","1") = "6"
    & skf21("1","1","6","3","2","7","7","1") = "6"
    & skf21("1","1","6","3","3","1","1","1") = "5"
    & skf21("1","1","6","3","3","1","2","1") = "5"
    & skf21("1","1","6","3","3","1","3","1") = "5"
    & skf21("1","1","6","3","3","1","4","1") = "5"
    & skf21("1","1","6","3","3","1","5","1") = "5"
    & skf21("1","1","6","3","3","1","6","1") = "5"
    & skf21("1","1","6","3","3","1","7","1") = "6"
    & skf21("1","1","6","3","3","2","1","1") = "5"
    & skf21("1","1","6","3","3","2","2","1") = "5"
    & skf21("1","1","6","3","3","2","3","1") = "5"
    & skf21("1","1","6","3","3","2","4","1") = "5"
    & skf21("1","1","6","3","3","2","5","1") = "5"
    & skf21("1","1","6","3","3","2","6","1") = "5"
    & skf21("1","1","6","3","3","2","7","1") = "6"
    & skf21("1","1","6","3","3","3","1","1") = "5"
    & skf21("1","1","6","3","3","3","2","1") = "5"
    & skf21("1","1","6","3","3","3","3","1") = "5"
    & skf21("1","1","6","3","3","3","4","1") = "5"
    & skf21("1","1","6","3","3","3","5","1") = "5"
    & skf21("1","1","6","3","3","3","6","1") = "5"
    & skf21("1","1","6","3","3","3","7","1") = "6"
    & skf21("1","1","6","3","3","4","1","1") = "5"
    & skf21("1","1","6","3","3","4","2","1") = "5"
    & skf21("1","1","6","3","3","4","3","1") = "5"
    & skf21("1","1","6","3","3","4","4","1") = "5"
    & skf21("1","1","6","3","3","4","5","1") = "5"
    & skf21("1","1","6","3","3","4","6","1") = "5"
    & skf21("1","1","6","3","3","4","7","1") = "6"
    & skf21("1","1","6","3","3","5","1","1") = "5"
    & skf21("1","1","6","3","3","5","2","1") = "5"
    & skf21("1","1","6","3","3","5","3","1") = "5"
    & skf21("1","1","6","3","3","5","4","1") = "5"
    & skf21("1","1","6","3","3","5","5","1") = "5"
    & skf21("1","1","6","3","3","5","6","1") = "5"
    & skf21("1","1","6","3","3","5","7","1") = "6"
    & skf21("1","1","6","3","3","6","1","1") = "5"
    & skf21("1","1","6","3","3","6","2","1") = "5"
    & skf21("1","1","6","3","3","6","3","1") = "5"
    & skf21("1","1","6","3","3","6","4","1") = "5"
    & skf21("1","1","6","3","3","6","5","1") = "5"
    & skf21("1","1","6","3","3","6","6","1") = "5"
    & skf21("1","1","6","3","3","6","7","1") = "6"
    & skf21("1","1","6","3","3","7","1","1") = "6"
    & skf21("1","1","6","3","3","7","2","1") = "6"
    & skf21("1","1","6","3","3","7","3","1") = "6"
    & skf21("1","1","6","3","3","7","4","1") = "6"
    & skf21("1","1","6","3","3","7","5","1") = "6"
    & skf21("1","1","6","3","3","7","6","1") = "6"
    & skf21("1","1","6","3","3","7","7","1") = "6"
    & skf21("1","1","6","3","4","1","1","1") = "5"
    & skf21("1","1","6","3","4","1","2","1") = "5"
    & skf21("1","1","6","3","4","1","3","1") = "5"
    & skf21("1","1","6","3","4","1","4","1") = "5"
    & skf21("1","1","6","3","4","1","5","1") = "5"
    & skf21("1","1","6","3","4","1","6","1") = "5"
    & skf21("1","1","6","3","4","1","7","1") = "6"
    & skf21("1","1","6","3","4","2","1","1") = "5"
    & skf21("1","1","6","3","4","2","2","1") = "5"
    & skf21("1","1","6","3","4","2","3","1") = "5"
    & skf21("1","1","6","3","4","2","4","1") = "5"
    & skf21("1","1","6","3","4","2","5","1") = "5"
    & skf21("1","1","6","3","4","2","6","1") = "5"
    & skf21("1","1","6","3","4","2","7","1") = "6"
    & skf21("1","1","6","3","4","3","1","1") = "5"
    & skf21("1","1","6","3","4","3","2","1") = "5"
    & skf21("1","1","6","3","4","3","3","1") = "5"
    & skf21("1","1","6","3","4","3","4","1") = "5"
    & skf21("1","1","6","3","4","3","5","1") = "5"
    & skf21("1","1","6","3","4","3","6","1") = "5"
    & skf21("1","1","6","3","4","3","7","1") = "6"
    & skf21("1","1","6","3","4","4","1","1") = "5"
    & skf21("1","1","6","3","4","4","2","1") = "5"
    & skf21("1","1","6","3","4","4","3","1") = "5"
    & skf21("1","1","6","3","4","4","4","1") = "5"
    & skf21("1","1","6","3","4","4","5","1") = "5"
    & skf21("1","1","6","3","4","4","6","1") = "5"
    & skf21("1","1","6","3","4","4","7","1") = "6"
    & skf21("1","1","6","3","4","5","1","1") = "5"
    & skf21("1","1","6","3","4","5","2","1") = "5"
    & skf21("1","1","6","3","4","5","3","1") = "5"
    & skf21("1","1","6","3","4","5","4","1") = "5"
    & skf21("1","1","6","3","4","5","5","1") = "5"
    & skf21("1","1","6","3","4","5","6","1") = "5"
    & skf21("1","1","6","3","4","5","7","1") = "6"
    & skf21("1","1","6","3","4","6","1","1") = "5"
    & skf21("1","1","6","3","4","6","2","1") = "5"
    & skf21("1","1","6","3","4","6","3","1") = "5"
    & skf21("1","1","6","3","4","6","4","1") = "5"
    & skf21("1","1","6","3","4","6","5","1") = "5"
    & skf21("1","1","6","3","4","6","6","1") = "5"
    & skf21("1","1","6","3","4","6","7","1") = "6"
    & skf21("1","1","6","3","4","7","1","1") = "6"
    & skf21("1","1","6","3","4","7","2","1") = "6"
    & skf21("1","1","6","3","4","7","3","1") = "6"
    & skf21("1","1","6","3","4","7","4","1") = "6"
    & skf21("1","1","6","3","4","7","5","1") = "6"
    & skf21("1","1","6","3","4","7","6","1") = "6"
    & skf21("1","1","6","3","4","7","7","1") = "6"
    & skf21("1","1","6","3","5","1","1","1") = "5"
    & skf21("1","1","6","3","5","1","2","1") = "5"
    & skf21("1","1","6","3","5","1","3","1") = "5"
    & skf21("1","1","6","3","5","1","4","1") = "5"
    & skf21("1","1","6","3","5","1","5","1") = "5"
    & skf21("1","1","6","3","5","1","6","1") = "5"
    & skf21("1","1","6","3","5","1","7","1") = "6"
    & skf21("1","1","6","3","5","2","1","1") = "5"
    & skf21("1","1","6","3","5","2","2","1") = "5"
    & skf21("1","1","6","3","5","2","3","1") = "5"
    & skf21("1","1","6","3","5","2","4","1") = "5"
    & skf21("1","1","6","3","5","2","5","1") = "5"
    & skf21("1","1","6","3","5","2","6","1") = "5"
    & skf21("1","1","6","3","5","2","7","1") = "6"
    & skf21("1","1","6","3","5","3","1","1") = "5"
    & skf21("1","1","6","3","5","3","2","1") = "5"
    & skf21("1","1","6","3","5","3","3","1") = "5"
    & skf21("1","1","6","3","5","3","4","1") = "5"
    & skf21("1","1","6","3","5","3","5","1") = "5"
    & skf21("1","1","6","3","5","3","6","1") = "5"
    & skf21("1","1","6","3","5","3","7","1") = "6"
    & skf21("1","1","6","3","5","4","1","1") = "5"
    & skf21("1","1","6","3","5","4","2","1") = "5"
    & skf21("1","1","6","3","5","4","3","1") = "5"
    & skf21("1","1","6","3","5","4","4","1") = "5"
    & skf21("1","1","6","3","5","4","5","1") = "5"
    & skf21("1","1","6","3","5","4","6","1") = "5"
    & skf21("1","1","6","3","5","4","7","1") = "6"
    & skf21("1","1","6","3","5","5","1","1") = "5"
    & skf21("1","1","6","3","5","5","2","1") = "5"
    & skf21("1","1","6","3","5","5","3","1") = "5"
    & skf21("1","1","6","3","5","5","4","1") = "5"
    & skf21("1","1","6","3","5","5","5","1") = "5"
    & skf21("1","1","6","3","5","5","6","1") = "5"
    & skf21("1","1","6","3","5","5","7","1") = "6"
    & skf21("1","1","6","3","5","6","1","1") = "5"
    & skf21("1","1","6","3","5","6","2","1") = "5"
    & skf21("1","1","6","3","5","6","3","1") = "5"
    & skf21("1","1","6","3","5","6","4","1") = "5"
    & skf21("1","1","6","3","5","6","5","1") = "5"
    & skf21("1","1","6","3","5","6","6","1") = "5"
    & skf21("1","1","6","3","5","6","7","1") = "6"
    & skf21("1","1","6","3","5","7","1","1") = "6"
    & skf21("1","1","6","3","5","7","2","1") = "6"
    & skf21("1","1","6","3","5","7","3","1") = "6"
    & skf21("1","1","6","3","5","7","4","1") = "6"
    & skf21("1","1","6","3","5","7","5","1") = "6"
    & skf21("1","1","6","3","5","7","6","1") = "6"
    & skf21("1","1","6","3","5","7","7","1") = "6"
    & skf21("1","1","6","3","6","1","1","1") = "5"
    & skf21("1","1","6","3","6","1","2","1") = "5"
    & skf21("1","1","6","3","6","1","3","1") = "5"
    & skf21("1","1","6","3","6","1","4","1") = "5"
    & skf21("1","1","6","3","6","1","5","1") = "5"
    & skf21("1","1","6","3","6","1","6","1") = "5"
    & skf21("1","1","6","3","6","1","7","1") = "6"
    & skf21("1","1","6","3","6","2","1","1") = "5"
    & skf21("1","1","6","3","6","2","2","1") = "5"
    & skf21("1","1","6","3","6","2","3","1") = "5"
    & skf21("1","1","6","3","6","2","4","1") = "5"
    & skf21("1","1","6","3","6","2","5","1") = "5"
    & skf21("1","1","6","3","6","2","6","1") = "5"
    & skf21("1","1","6","3","6","2","7","1") = "6"
    & skf21("1","1","6","3","6","3","1","1") = "5"
    & skf21("1","1","6","3","6","3","2","1") = "5"
    & skf21("1","1","6","3","6","3","3","1") = "5"
    & skf21("1","1","6","3","6","3","4","1") = "5"
    & skf21("1","1","6","3","6","3","5","1") = "5"
    & skf21("1","1","6","3","6","3","6","1") = "5"
    & skf21("1","1","6","3","6","3","7","1") = "6"
    & skf21("1","1","6","3","6","4","1","1") = "5"
    & skf21("1","1","6","3","6","4","2","1") = "5"
    & skf21("1","1","6","3","6","4","3","1") = "5"
    & skf21("1","1","6","3","6","4","4","1") = "5"
    & skf21("1","1","6","3","6","4","5","1") = "5"
    & skf21("1","1","6","3","6","4","6","1") = "5"
    & skf21("1","1","6","3","6","4","7","1") = "6"
    & skf21("1","1","6","3","6","5","1","1") = "5"
    & skf21("1","1","6","3","6","5","2","1") = "5"
    & skf21("1","1","6","3","6","5","3","1") = "5"
    & skf21("1","1","6","3","6","5","4","1") = "5"
    & skf21("1","1","6","3","6","5","5","1") = "5"
    & skf21("1","1","6","3","6","5","6","1") = "5"
    & skf21("1","1","6","3","6","5","7","1") = "6"
    & skf21("1","1","6","3","6","6","1","1") = "5"
    & skf21("1","1","6","3","6","6","2","1") = "5"
    & skf21("1","1","6","3","6","6","3","1") = "5"
    & skf21("1","1","6","3","6","6","4","1") = "5"
    & skf21("1","1","6","3","6","6","5","1") = "5"
    & skf21("1","1","6","3","6","6","6","1") = "5"
    & skf21("1","1","6","3","6","6","7","1") = "6"
    & skf21("1","1","6","3","6","7","1","1") = "6"
    & skf21("1","1","6","3","6","7","2","1") = "6"
    & skf21("1","1","6","3","6","7","3","1") = "6"
    & skf21("1","1","6","3","6","7","4","1") = "6"
    & skf21("1","1","6","3","6","7","5","1") = "6"
    & skf21("1","1","6","3","6","7","6","1") = "6"
    & skf21("1","1","6","3","6","7","7","1") = "6"
    & skf21("1","1","6","3","7","1","1","1") = "6"
    & skf21("1","1","6","3","7","1","2","1") = "6"
    & skf21("1","1","6","3","7","1","3","1") = "6"
    & skf21("1","1","6","3","7","1","4","1") = "6"
    & skf21("1","1","6","3","7","1","5","1") = "6"
    & skf21("1","1","6","3","7","1","6","1") = "6"
    & skf21("1","1","6","3","7","1","7","1") = "6"
    & skf21("1","1","6","3","7","2","1","1") = "6"
    & skf21("1","1","6","3","7","2","2","1") = "6"
    & skf21("1","1","6","3","7","2","3","1") = "6"
    & skf21("1","1","6","3","7","2","4","1") = "6"
    & skf21("1","1","6","3","7","2","5","1") = "6"
    & skf21("1","1","6","3","7","2","6","1") = "6"
    & skf21("1","1","6","3","7","2","7","1") = "6"
    & skf21("1","1","6","3","7","3","1","1") = "6"
    & skf21("1","1","6","3","7","3","2","1") = "6"
    & skf21("1","1","6","3","7","3","3","1") = "6"
    & skf21("1","1","6","3","7","3","4","1") = "6"
    & skf21("1","1","6","3","7","3","5","1") = "6"
    & skf21("1","1","6","3","7","3","6","1") = "6"
    & skf21("1","1","6","3","7","3","7","1") = "6"
    & skf21("1","1","6","3","7","4","1","1") = "6"
    & skf21("1","1","6","3","7","4","2","1") = "6"
    & skf21("1","1","6","3","7","4","3","1") = "6"
    & skf21("1","1","6","3","7","4","4","1") = "6"
    & skf21("1","1","6","3","7","4","5","1") = "6"
    & skf21("1","1","6","3","7","4","6","1") = "6"
    & skf21("1","1","6","3","7","4","7","1") = "6"
    & skf21("1","1","6","3","7","5","1","1") = "6"
    & skf21("1","1","6","3","7","5","2","1") = "6"
    & skf21("1","1","6","3","7","5","3","1") = "6"
    & skf21("1","1","6","3","7","5","4","1") = "6"
    & skf21("1","1","6","3","7","5","5","1") = "6"
    & skf21("1","1","6","3","7","5","6","1") = "6"
    & skf21("1","1","6","3","7","5","7","1") = "6"
    & skf21("1","1","6","3","7","6","1","1") = "6"
    & skf21("1","1","6","3","7","6","2","1") = "6"
    & skf21("1","1","6","3","7","6","3","1") = "6"
    & skf21("1","1","6","3","7","6","4","1") = "6"
    & skf21("1","1","6","3","7","6","5","1") = "6"
    & skf21("1","1","6","3","7","6","6","1") = "6"
    & skf21("1","1","6","3","7","6","7","1") = "6"
    & skf21("1","1","6","3","7","7","1","1") = "6"
    & skf21("1","1","6","3","7","7","2","1") = "6"
    & skf21("1","1","6","3","7","7","3","1") = "6"
    & skf21("1","1","6","3","7","7","4","1") = "6"
    & skf21("1","1","6","3","7","7","5","1") = "6"
    & skf21("1","1","6","3","7","7","6","1") = "6"
    & skf21("1","1","6","3","7","7","7","1") = "6"
    & skf21("1","1","6","4","1","1","1","1") = "5"
    & skf21("1","1","6","4","1","1","2","1") = "5"
    & skf21("1","1","6","4","1","1","3","1") = "5"
    & skf21("1","1","6","4","1","1","4","1") = "5"
    & skf21("1","1","6","4","1","1","5","1") = "5"
    & skf21("1","1","6","4","1","1","6","1") = "5"
    & skf21("1","1","6","4","1","1","7","1") = "6"
    & skf21("1","1","6","4","1","2","1","1") = "5"
    & skf21("1","1","6","4","1","2","2","1") = "5"
    & skf21("1","1","6","4","1","2","3","1") = "5"
    & skf21("1","1","6","4","1","2","4","1") = "5"
    & skf21("1","1","6","4","1","2","5","1") = "5"
    & skf21("1","1","6","4","1","2","6","1") = "5"
    & skf21("1","1","6","4","1","2","7","1") = "6"
    & skf21("1","1","6","4","1","3","1","1") = "5"
    & skf21("1","1","6","4","1","3","2","1") = "5"
    & skf21("1","1","6","4","1","3","3","1") = "5"
    & skf21("1","1","6","4","1","3","4","1") = "5"
    & skf21("1","1","6","4","1","3","5","1") = "5"
    & skf21("1","1","6","4","1","3","6","1") = "5"
    & skf21("1","1","6","4","1","3","7","1") = "6"
    & skf21("1","1","6","4","1","4","1","1") = "5"
    & skf21("1","1","6","4","1","4","2","1") = "5"
    & skf21("1","1","6","4","1","4","3","1") = "5"
    & skf21("1","1","6","4","1","4","4","1") = "5"
    & skf21("1","1","6","4","1","4","5","1") = "5"
    & skf21("1","1","6","4","1","4","6","1") = "5"
    & skf21("1","1","6","4","1","4","7","1") = "6"
    & skf21("1","1","6","4","1","5","1","1") = "5"
    & skf21("1","1","6","4","1","5","2","1") = "5"
    & skf21("1","1","6","4","1","5","3","1") = "5"
    & skf21("1","1","6","4","1","5","4","1") = "5"
    & skf21("1","1","6","4","1","5","5","1") = "5"
    & skf21("1","1","6","4","1","5","6","1") = "5"
    & skf21("1","1","6","4","1","5","7","1") = "6"
    & skf21("1","1","6","4","1","6","1","1") = "5"
    & skf21("1","1","6","4","1","6","2","1") = "5"
    & skf21("1","1","6","4","1","6","3","1") = "5"
    & skf21("1","1","6","4","1","6","4","1") = "5"
    & skf21("1","1","6","4","1","6","5","1") = "5"
    & skf21("1","1","6","4","1","6","6","1") = "5"
    & skf21("1","1","6","4","1","6","7","1") = "6"
    & skf21("1","1","6","4","1","7","1","1") = "6"
    & skf21("1","1","6","4","1","7","2","1") = "6"
    & skf21("1","1","6","4","1","7","3","1") = "6"
    & skf21("1","1","6","4","1","7","4","1") = "6"
    & skf21("1","1","6","4","1","7","5","1") = "6"
    & skf21("1","1","6","4","1","7","6","1") = "6"
    & skf21("1","1","6","4","1","7","7","1") = "6"
    & skf21("1","1","6","4","2","1","1","1") = "5"
    & skf21("1","1","6","4","2","1","2","1") = "5"
    & skf21("1","1","6","4","2","1","3","1") = "5"
    & skf21("1","1","6","4","2","1","4","1") = "5"
    & skf21("1","1","6","4","2","1","5","1") = "5"
    & skf21("1","1","6","4","2","1","6","1") = "5"
    & skf21("1","1","6","4","2","1","7","1") = "6"
    & skf21("1","1","6","4","2","2","1","1") = "5"
    & skf21("1","1","6","4","2","2","2","1") = "5"
    & skf21("1","1","6","4","2","2","3","1") = "5"
    & skf21("1","1","6","4","2","2","4","1") = "5"
    & skf21("1","1","6","4","2","2","5","1") = "5"
    & skf21("1","1","6","4","2","2","6","1") = "5"
    & skf21("1","1","6","4","2","2","7","1") = "6"
    & skf21("1","1","6","4","2","3","1","1") = "5"
    & skf21("1","1","6","4","2","3","2","1") = "5"
    & skf21("1","1","6","4","2","3","3","1") = "5"
    & skf21("1","1","6","4","2","3","4","1") = "5"
    & skf21("1","1","6","4","2","3","5","1") = "5"
    & skf21("1","1","6","4","2","3","6","1") = "5"
    & skf21("1","1","6","4","2","3","7","1") = "6"
    & skf21("1","1","6","4","2","4","1","1") = "5"
    & skf21("1","1","6","4","2","4","2","1") = "5"
    & skf21("1","1","6","4","2","4","3","1") = "5"
    & skf21("1","1","6","4","2","4","4","1") = "5"
    & skf21("1","1","6","4","2","4","5","1") = "5"
    & skf21("1","1","6","4","2","4","6","1") = "5"
    & skf21("1","1","6","4","2","4","7","1") = "6"
    & skf21("1","1","6","4","2","5","1","1") = "5"
    & skf21("1","1","6","4","2","5","2","1") = "5"
    & skf21("1","1","6","4","2","5","3","1") = "5"
    & skf21("1","1","6","4","2","5","4","1") = "5"
    & skf21("1","1","6","4","2","5","5","1") = "5"
    & skf21("1","1","6","4","2","5","6","1") = "5"
    & skf21("1","1","6","4","2","5","7","1") = "6"
    & skf21("1","1","6","4","2","6","1","1") = "5"
    & skf21("1","1","6","4","2","6","2","1") = "5"
    & skf21("1","1","6","4","2","6","3","1") = "5"
    & skf21("1","1","6","4","2","6","4","1") = "5"
    & skf21("1","1","6","4","2","6","5","1") = "5"
    & skf21("1","1","6","4","2","6","6","1") = "5"
    & skf21("1","1","6","4","2","6","7","1") = "6"
    & skf21("1","1","6","4","2","7","1","1") = "6"
    & skf21("1","1","6","4","2","7","2","1") = "6"
    & skf21("1","1","6","4","2","7","3","1") = "6"
    & skf21("1","1","6","4","2","7","4","1") = "6"
    & skf21("1","1","6","4","2","7","5","1") = "6"
    & skf21("1","1","6","4","2","7","6","1") = "6"
    & skf21("1","1","6","4","2","7","7","1") = "6"
    & skf21("1","1","6","4","3","1","1","1") = "5"
    & skf21("1","1","6","4","3","1","2","1") = "5"
    & skf21("1","1","6","4","3","1","3","1") = "5"
    & skf21("1","1","6","4","3","1","4","1") = "5"
    & skf21("1","1","6","4","3","1","5","1") = "5"
    & skf21("1","1","6","4","3","1","6","1") = "5"
    & skf21("1","1","6","4","3","1","7","1") = "6"
    & skf21("1","1","6","4","3","2","1","1") = "5"
    & skf21("1","1","6","4","3","2","2","1") = "5"
    & skf21("1","1","6","4","3","2","3","1") = "5"
    & skf21("1","1","6","4","3","2","4","1") = "5"
    & skf21("1","1","6","4","3","2","5","1") = "5"
    & skf21("1","1","6","4","3","2","6","1") = "5"
    & skf21("1","1","6","4","3","2","7","1") = "6"
    & skf21("1","1","6","4","3","3","1","1") = "5"
    & skf21("1","1","6","4","3","3","2","1") = "5"
    & skf21("1","1","6","4","3","3","3","1") = "5"
    & skf21("1","1","6","4","3","3","4","1") = "5"
    & skf21("1","1","6","4","3","3","5","1") = "5"
    & skf21("1","1","6","4","3","3","6","1") = "5"
    & skf21("1","1","6","4","3","3","7","1") = "6"
    & skf21("1","1","6","4","3","4","1","1") = "5"
    & skf21("1","1","6","4","3","4","2","1") = "5"
    & skf21("1","1","6","4","3","4","3","1") = "5"
    & skf21("1","1","6","4","3","4","4","1") = "5"
    & skf21("1","1","6","4","3","4","5","1") = "5"
    & skf21("1","1","6","4","3","4","6","1") = "5"
    & skf21("1","1","6","4","3","4","7","1") = "6"
    & skf21("1","1","6","4","3","5","1","1") = "5"
    & skf21("1","1","6","4","3","5","2","1") = "5"
    & skf21("1","1","6","4","3","5","3","1") = "5"
    & skf21("1","1","6","4","3","5","4","1") = "5"
    & skf21("1","1","6","4","3","5","5","1") = "5"
    & skf21("1","1","6","4","3","5","6","1") = "5"
    & skf21("1","1","6","4","3","5","7","1") = "6"
    & skf21("1","1","6","4","3","6","1","1") = "5"
    & skf21("1","1","6","4","3","6","2","1") = "5"
    & skf21("1","1","6","4","3","6","3","1") = "5"
    & skf21("1","1","6","4","3","6","4","1") = "5"
    & skf21("1","1","6","4","3","6","5","1") = "5"
    & skf21("1","1","6","4","3","6","6","1") = "5"
    & skf21("1","1","6","4","3","6","7","1") = "6"
    & skf21("1","1","6","4","3","7","1","1") = "6"
    & skf21("1","1","6","4","3","7","2","1") = "6"
    & skf21("1","1","6","4","3","7","3","1") = "6"
    & skf21("1","1","6","4","3","7","4","1") = "6"
    & skf21("1","1","6","4","3","7","5","1") = "6"
    & skf21("1","1","6","4","3","7","6","1") = "6"
    & skf21("1","1","6","4","3","7","7","1") = "6"
    & skf21("1","1","6","4","4","1","1","1") = "5"
    & skf21("1","1","6","4","4","1","2","1") = "5"
    & skf21("1","1","6","4","4","1","3","1") = "5"
    & skf21("1","1","6","4","4","1","4","1") = "5"
    & skf21("1","1","6","4","4","1","5","1") = "5"
    & skf21("1","1","6","4","4","1","6","1") = "5"
    & skf21("1","1","6","4","4","1","7","1") = "6"
    & skf21("1","1","6","4","4","2","1","1") = "5"
    & skf21("1","1","6","4","4","2","2","1") = "5"
    & skf21("1","1","6","4","4","2","3","1") = "5"
    & skf21("1","1","6","4","4","2","4","1") = "5"
    & skf21("1","1","6","4","4","2","5","1") = "5"
    & skf21("1","1","6","4","4","2","6","1") = "5"
    & skf21("1","1","6","4","4","2","7","1") = "6"
    & skf21("1","1","6","4","4","3","1","1") = "5"
    & skf21("1","1","6","4","4","3","2","1") = "5"
    & skf21("1","1","6","4","4","3","3","1") = "5"
    & skf21("1","1","6","4","4","3","4","1") = "5"
    & skf21("1","1","6","4","4","3","5","1") = "5"
    & skf21("1","1","6","4","4","3","6","1") = "5"
    & skf21("1","1","6","4","4","3","7","1") = "6"
    & skf21("1","1","6","4","4","4","1","1") = "5"
    & skf21("1","1","6","4","4","4","2","1") = "5"
    & skf21("1","1","6","4","4","4","3","1") = "5"
    & skf21("1","1","6","4","4","4","4","1") = "5"
    & skf21("1","1","6","4","4","4","5","1") = "5"
    & skf21("1","1","6","4","4","4","6","1") = "5"
    & skf21("1","1","6","4","4","4","7","1") = "6"
    & skf21("1","1","6","4","4","5","1","1") = "5"
    & skf21("1","1","6","4","4","5","2","1") = "5"
    & skf21("1","1","6","4","4","5","3","1") = "5"
    & skf21("1","1","6","4","4","5","4","1") = "5"
    & skf21("1","1","6","4","4","5","5","1") = "5"
    & skf21("1","1","6","4","4","5","6","1") = "5"
    & skf21("1","1","6","4","4","5","7","1") = "6"
    & skf21("1","1","6","4","4","6","1","1") = "5"
    & skf21("1","1","6","4","4","6","2","1") = "5"
    & skf21("1","1","6","4","4","6","3","1") = "5"
    & skf21("1","1","6","4","4","6","4","1") = "5"
    & skf21("1","1","6","4","4","6","5","1") = "5"
    & skf21("1","1","6","4","4","6","6","1") = "5"
    & skf21("1","1","6","4","4","6","7","1") = "6"
    & skf21("1","1","6","4","4","7","1","1") = "6"
    & skf21("1","1","6","4","4","7","2","1") = "6"
    & skf21("1","1","6","4","4","7","3","1") = "6"
    & skf21("1","1","6","4","4","7","4","1") = "6"
    & skf21("1","1","6","4","4","7","5","1") = "6"
    & skf21("1","1","6","4","4","7","6","1") = "6"
    & skf21("1","1","6","4","4","7","7","1") = "6"
    & skf21("1","1","6","4","5","1","1","1") = "5"
    & skf21("1","1","6","4","5","1","2","1") = "5"
    & skf21("1","1","6","4","5","1","3","1") = "5"
    & skf21("1","1","6","4","5","1","4","1") = "5"
    & skf21("1","1","6","4","5","1","5","1") = "5"
    & skf21("1","1","6","4","5","1","6","1") = "5"
    & skf21("1","1","6","4","5","1","7","1") = "6"
    & skf21("1","1","6","4","5","2","1","1") = "5"
    & skf21("1","1","6","4","5","2","2","1") = "5"
    & skf21("1","1","6","4","5","2","3","1") = "5"
    & skf21("1","1","6","4","5","2","4","1") = "5"
    & skf21("1","1","6","4","5","2","5","1") = "5"
    & skf21("1","1","6","4","5","2","6","1") = "5"
    & skf21("1","1","6","4","5","2","7","1") = "6"
    & skf21("1","1","6","4","5","3","1","1") = "5"
    & skf21("1","1","6","4","5","3","2","1") = "5"
    & skf21("1","1","6","4","5","3","3","1") = "5"
    & skf21("1","1","6","4","5","3","4","1") = "5"
    & skf21("1","1","6","4","5","3","5","1") = "5"
    & skf21("1","1","6","4","5","3","6","1") = "5"
    & skf21("1","1","6","4","5","3","7","1") = "6"
    & skf21("1","1","6","4","5","4","1","1") = "5"
    & skf21("1","1","6","4","5","4","2","1") = "5"
    & skf21("1","1","6","4","5","4","3","1") = "5"
    & skf21("1","1","6","4","5","4","4","1") = "5"
    & skf21("1","1","6","4","5","4","5","1") = "5"
    & skf21("1","1","6","4","5","4","6","1") = "5"
    & skf21("1","1","6","4","5","4","7","1") = "6"
    & skf21("1","1","6","4","5","5","1","1") = "5"
    & skf21("1","1","6","4","5","5","2","1") = "5"
    & skf21("1","1","6","4","5","5","3","1") = "5"
    & skf21("1","1","6","4","5","5","4","1") = "5"
    & skf21("1","1","6","4","5","5","5","1") = "5"
    & skf21("1","1","6","4","5","5","6","1") = "5"
    & skf21("1","1","6","4","5","5","7","1") = "6"
    & skf21("1","1","6","4","5","6","1","1") = "5"
    & skf21("1","1","6","4","5","6","2","1") = "5"
    & skf21("1","1","6","4","5","6","3","1") = "5"
    & skf21("1","1","6","4","5","6","4","1") = "5"
    & skf21("1","1","6","4","5","6","5","1") = "5"
    & skf21("1","1","6","4","5","6","6","1") = "5"
    & skf21("1","1","6","4","5","6","7","1") = "6"
    & skf21("1","1","6","4","5","7","1","1") = "6"
    & skf21("1","1","6","4","5","7","2","1") = "6"
    & skf21("1","1","6","4","5","7","3","1") = "6"
    & skf21("1","1","6","4","5","7","4","1") = "6"
    & skf21("1","1","6","4","5","7","5","1") = "6"
    & skf21("1","1","6","4","5","7","6","1") = "6"
    & skf21("1","1","6","4","5","7","7","1") = "6"
    & skf21("1","1","6","4","6","1","1","1") = "5"
    & skf21("1","1","6","4","6","1","2","1") = "5"
    & skf21("1","1","6","4","6","1","3","1") = "5"
    & skf21("1","1","6","4","6","1","4","1") = "5"
    & skf21("1","1","6","4","6","1","5","1") = "5"
    & skf21("1","1","6","4","6","1","6","1") = "5"
    & skf21("1","1","6","4","6","1","7","1") = "6"
    & skf21("1","1","6","4","6","2","1","1") = "5"
    & skf21("1","1","6","4","6","2","2","1") = "5"
    & skf21("1","1","6","4","6","2","3","1") = "5"
    & skf21("1","1","6","4","6","2","4","1") = "5"
    & skf21("1","1","6","4","6","2","5","1") = "5"
    & skf21("1","1","6","4","6","2","6","1") = "5"
    & skf21("1","1","6","4","6","2","7","1") = "6"
    & skf21("1","1","6","4","6","3","1","1") = "5"
    & skf21("1","1","6","4","6","3","2","1") = "5"
    & skf21("1","1","6","4","6","3","3","1") = "5"
    & skf21("1","1","6","4","6","3","4","1") = "5"
    & skf21("1","1","6","4","6","3","5","1") = "5"
    & skf21("1","1","6","4","6","3","6","1") = "5"
    & skf21("1","1","6","4","6","3","7","1") = "6"
    & skf21("1","1","6","4","6","4","1","1") = "5"
    & skf21("1","1","6","4","6","4","2","1") = "5"
    & skf21("1","1","6","4","6","4","3","1") = "5"
    & skf21("1","1","6","4","6","4","4","1") = "5"
    & skf21("1","1","6","4","6","4","5","1") = "5"
    & skf21("1","1","6","4","6","4","6","1") = "5"
    & skf21("1","1","6","4","6","4","7","1") = "6"
    & skf21("1","1","6","4","6","5","1","1") = "5"
    & skf21("1","1","6","4","6","5","2","1") = "5"
    & skf21("1","1","6","4","6","5","3","1") = "5"
    & skf21("1","1","6","4","6","5","4","1") = "5"
    & skf21("1","1","6","4","6","5","5","1") = "5"
    & skf21("1","1","6","4","6","5","6","1") = "5"
    & skf21("1","1","6","4","6","5","7","1") = "6"
    & skf21("1","1","6","4","6","6","1","1") = "5"
    & skf21("1","1","6","4","6","6","2","1") = "5"
    & skf21("1","1","6","4","6","6","3","1") = "5"
    & skf21("1","1","6","4","6","6","4","1") = "5"
    & skf21("1","1","6","4","6","6","5","1") = "5"
    & skf21("1","1","6","4","6","6","6","1") = "5"
    & skf21("1","1","6","4","6","6","7","1") = "6"
    & skf21("1","1","6","4","6","7","1","1") = "6"
    & skf21("1","1","6","4","6","7","2","1") = "6"
    & skf21("1","1","6","4","6","7","3","1") = "6"
    & skf21("1","1","6","4","6","7","4","1") = "6"
    & skf21("1","1","6","4","6","7","5","1") = "6"
    & skf21("1","1","6","4","6","7","6","1") = "6"
    & skf21("1","1","6","4","6","7","7","1") = "6"
    & skf21("1","1","6","4","7","1","1","1") = "6"
    & skf21("1","1","6","4","7","1","2","1") = "6"
    & skf21("1","1","6","4","7","1","3","1") = "6"
    & skf21("1","1","6","4","7","1","4","1") = "6"
    & skf21("1","1","6","4","7","1","5","1") = "6"
    & skf21("1","1","6","4","7","1","6","1") = "6"
    & skf21("1","1","6","4","7","1","7","1") = "6"
    & skf21("1","1","6","4","7","2","1","1") = "6"
    & skf21("1","1","6","4","7","2","2","1") = "6"
    & skf21("1","1","6","4","7","2","3","1") = "6"
    & skf21("1","1","6","4","7","2","4","1") = "6"
    & skf21("1","1","6","4","7","2","5","1") = "6"
    & skf21("1","1","6","4","7","2","6","1") = "6"
    & skf21("1","1","6","4","7","2","7","1") = "6"
    & skf21("1","1","6","4","7","3","1","1") = "6"
    & skf21("1","1","6","4","7","3","2","1") = "6"
    & skf21("1","1","6","4","7","3","3","1") = "6"
    & skf21("1","1","6","4","7","3","4","1") = "6"
    & skf21("1","1","6","4","7","3","5","1") = "6"
    & skf21("1","1","6","4","7","3","6","1") = "6"
    & skf21("1","1","6","4","7","3","7","1") = "6"
    & skf21("1","1","6","4","7","4","1","1") = "6"
    & skf21("1","1","6","4","7","4","2","1") = "6"
    & skf21("1","1","6","4","7","4","3","1") = "6"
    & skf21("1","1","6","4","7","4","4","1") = "6"
    & skf21("1","1","6","4","7","4","5","1") = "6"
    & skf21("1","1","6","4","7","4","6","1") = "6"
    & skf21("1","1","6","4","7","4","7","1") = "6"
    & skf21("1","1","6","4","7","5","1","1") = "6"
    & skf21("1","1","6","4","7","5","2","1") = "6"
    & skf21("1","1","6","4","7","5","3","1") = "6"
    & skf21("1","1","6","4","7","5","4","1") = "6"
    & skf21("1","1","6","4","7","5","5","1") = "6"
    & skf21("1","1","6","4","7","5","6","1") = "6"
    & skf21("1","1","6","4","7","5","7","1") = "6"
    & skf21("1","1","6","4","7","6","1","1") = "6"
    & skf21("1","1","6","4","7","6","2","1") = "6"
    & skf21("1","1","6","4","7","6","3","1") = "6"
    & skf21("1","1","6","4","7","6","4","1") = "6"
    & skf21("1","1","6","4","7","6","5","1") = "6"
    & skf21("1","1","6","4","7","6","6","1") = "6"
    & skf21("1","1","6","4","7","6","7","1") = "6"
    & skf21("1","1","6","4","7","7","1","1") = "6"
    & skf21("1","1","6","4","7","7","2","1") = "6"
    & skf21("1","1","6","4","7","7","3","1") = "6"
    & skf21("1","1","6","4","7","7","4","1") = "6"
    & skf21("1","1","6","4","7","7","5","1") = "6"
    & skf21("1","1","6","4","7","7","6","1") = "6"
    & skf21("1","1","6","4","7","7","7","1") = "6"
    & skf21("1","1","6","5","1","1","1","1") = "5"
    & skf21("1","1","6","5","1","1","2","1") = "5"
    & skf21("1","1","6","5","1","1","3","1") = "5"
    & skf21("1","1","6","5","1","1","4","1") = "5"
    & skf21("1","1","6","5","1","1","5","1") = "5"
    & skf21("1","1","6","5","1","1","6","1") = "5"
    & skf21("1","1","6","5","1","1","7","1") = "6"
    & skf21("1","1","6","5","1","2","1","1") = "5"
    & skf21("1","1","6","5","1","2","2","1") = "5"
    & skf21("1","1","6","5","1","2","3","1") = "5"
    & skf21("1","1","6","5","1","2","4","1") = "5"
    & skf21("1","1","6","5","1","2","5","1") = "5"
    & skf21("1","1","6","5","1","2","6","1") = "5"
    & skf21("1","1","6","5","1","2","7","1") = "6"
    & skf21("1","1","6","5","1","3","1","1") = "5"
    & skf21("1","1","6","5","1","3","2","1") = "5"
    & skf21("1","1","6","5","1","3","3","1") = "5"
    & skf21("1","1","6","5","1","3","4","1") = "5"
    & skf21("1","1","6","5","1","3","5","1") = "5"
    & skf21("1","1","6","5","1","3","6","1") = "5"
    & skf21("1","1","6","5","1","3","7","1") = "6"
    & skf21("1","1","6","5","1","4","1","1") = "5"
    & skf21("1","1","6","5","1","4","2","1") = "5"
    & skf21("1","1","6","5","1","4","3","1") = "5"
    & skf21("1","1","6","5","1","4","4","1") = "5"
    & skf21("1","1","6","5","1","4","5","1") = "5"
    & skf21("1","1","6","5","1","4","6","1") = "5"
    & skf21("1","1","6","5","1","4","7","1") = "6"
    & skf21("1","1","6","5","1","5","1","1") = "5"
    & skf21("1","1","6","5","1","5","2","1") = "5"
    & skf21("1","1","6","5","1","5","3","1") = "5"
    & skf21("1","1","6","5","1","5","4","1") = "5"
    & skf21("1","1","6","5","1","5","5","1") = "5"
    & skf21("1","1","6","5","1","5","6","1") = "5"
    & skf21("1","1","6","5","1","5","7","1") = "6"
    & skf21("1","1","6","5","1","6","1","1") = "5"
    & skf21("1","1","6","5","1","6","2","1") = "5"
    & skf21("1","1","6","5","1","6","3","1") = "5"
    & skf21("1","1","6","5","1","6","4","1") = "5"
    & skf21("1","1","6","5","1","6","5","1") = "5"
    & skf21("1","1","6","5","1","6","6","1") = "5"
    & skf21("1","1","6","5","1","6","7","1") = "6"
    & skf21("1","1","6","5","1","7","1","1") = "6"
    & skf21("1","1","6","5","1","7","2","1") = "6"
    & skf21("1","1","6","5","1","7","3","1") = "6"
    & skf21("1","1","6","5","1","7","4","1") = "6"
    & skf21("1","1","6","5","1","7","5","1") = "6"
    & skf21("1","1","6","5","1","7","6","1") = "6"
    & skf21("1","1","6","5","1","7","7","1") = "6"
    & skf21("1","1","6","5","2","1","1","1") = "5"
    & skf21("1","1","6","5","2","1","2","1") = "5"
    & skf21("1","1","6","5","2","1","3","1") = "5"
    & skf21("1","1","6","5","2","1","4","1") = "5"
    & skf21("1","1","6","5","2","1","5","1") = "5"
    & skf21("1","1","6","5","2","1","6","1") = "5"
    & skf21("1","1","6","5","2","1","7","1") = "6"
    & skf21("1","1","6","5","2","2","1","1") = "5"
    & skf21("1","1","6","5","2","2","2","1") = "5"
    & skf21("1","1","6","5","2","2","3","1") = "5"
    & skf21("1","1","6","5","2","2","4","1") = "5"
    & skf21("1","1","6","5","2","2","5","1") = "5"
    & skf21("1","1","6","5","2","2","6","1") = "5"
    & skf21("1","1","6","5","2","2","7","1") = "6"
    & skf21("1","1","6","5","2","3","1","1") = "5"
    & skf21("1","1","6","5","2","3","2","1") = "5"
    & skf21("1","1","6","5","2","3","3","1") = "5"
    & skf21("1","1","6","5","2","3","4","1") = "5"
    & skf21("1","1","6","5","2","3","5","1") = "5"
    & skf21("1","1","6","5","2","3","6","1") = "5"
    & skf21("1","1","6","5","2","3","7","1") = "6"
    & skf21("1","1","6","5","2","4","1","1") = "5"
    & skf21("1","1","6","5","2","4","2","1") = "5"
    & skf21("1","1","6","5","2","4","3","1") = "5"
    & skf21("1","1","6","5","2","4","4","1") = "5"
    & skf21("1","1","6","5","2","4","5","1") = "5"
    & skf21("1","1","6","5","2","4","6","1") = "5"
    & skf21("1","1","6","5","2","4","7","1") = "6"
    & skf21("1","1","6","5","2","5","1","1") = "5"
    & skf21("1","1","6","5","2","5","2","1") = "5"
    & skf21("1","1","6","5","2","5","3","1") = "5"
    & skf21("1","1","6","5","2","5","4","1") = "5"
    & skf21("1","1","6","5","2","5","5","1") = "5"
    & skf21("1","1","6","5","2","5","6","1") = "5"
    & skf21("1","1","6","5","2","5","7","1") = "6"
    & skf21("1","1","6","5","2","6","1","1") = "5"
    & skf21("1","1","6","5","2","6","2","1") = "5"
    & skf21("1","1","6","5","2","6","3","1") = "5"
    & skf21("1","1","6","5","2","6","4","1") = "5"
    & skf21("1","1","6","5","2","6","5","1") = "5"
    & skf21("1","1","6","5","2","6","6","1") = "5"
    & skf21("1","1","6","5","2","6","7","1") = "6"
    & skf21("1","1","6","5","2","7","1","1") = "6"
    & skf21("1","1","6","5","2","7","2","1") = "6"
    & skf21("1","1","6","5","2","7","3","1") = "6"
    & skf21("1","1","6","5","2","7","4","1") = "6"
    & skf21("1","1","6","5","2","7","5","1") = "6"
    & skf21("1","1","6","5","2","7","6","1") = "6"
    & skf21("1","1","6","5","2","7","7","1") = "6"
    & skf21("1","1","6","5","3","1","1","1") = "5"
    & skf21("1","1","6","5","3","1","2","1") = "5"
    & skf21("1","1","6","5","3","1","3","1") = "5"
    & skf21("1","1","6","5","3","1","4","1") = "5"
    & skf21("1","1","6","5","3","1","5","1") = "5"
    & skf21("1","1","6","5","3","1","6","1") = "5"
    & skf21("1","1","6","5","3","1","7","1") = "6"
    & skf21("1","1","6","5","3","2","1","1") = "5"
    & skf21("1","1","6","5","3","2","2","1") = "5"
    & skf21("1","1","6","5","3","2","3","1") = "5"
    & skf21("1","1","6","5","3","2","4","1") = "5"
    & skf21("1","1","6","5","3","2","5","1") = "5"
    & skf21("1","1","6","5","3","2","6","1") = "5"
    & skf21("1","1","6","5","3","2","7","1") = "6"
    & skf21("1","1","6","5","3","3","1","1") = "5"
    & skf21("1","1","6","5","3","3","2","1") = "5"
    & skf21("1","1","6","5","3","3","3","1") = "5"
    & skf21("1","1","6","5","3","3","4","1") = "5"
    & skf21("1","1","6","5","3","3","5","1") = "5"
    & skf21("1","1","6","5","3","3","6","1") = "5"
    & skf21("1","1","6","5","3","3","7","1") = "6"
    & skf21("1","1","6","5","3","4","1","1") = "5"
    & skf21("1","1","6","5","3","4","2","1") = "5"
    & skf21("1","1","6","5","3","4","3","1") = "5"
    & skf21("1","1","6","5","3","4","4","1") = "5"
    & skf21("1","1","6","5","3","4","5","1") = "5"
    & skf21("1","1","6","5","3","4","6","1") = "5"
    & skf21("1","1","6","5","3","4","7","1") = "6"
    & skf21("1","1","6","5","3","5","1","1") = "5"
    & skf21("1","1","6","5","3","5","2","1") = "5"
    & skf21("1","1","6","5","3","5","3","1") = "5"
    & skf21("1","1","6","5","3","5","4","1") = "5"
    & skf21("1","1","6","5","3","5","5","1") = "5"
    & skf21("1","1","6","5","3","5","6","1") = "5"
    & skf21("1","1","6","5","3","5","7","1") = "6"
    & skf21("1","1","6","5","3","6","1","1") = "5"
    & skf21("1","1","6","5","3","6","2","1") = "5"
    & skf21("1","1","6","5","3","6","3","1") = "5"
    & skf21("1","1","6","5","3","6","4","1") = "5"
    & skf21("1","1","6","5","3","6","5","1") = "5"
    & skf21("1","1","6","5","3","6","6","1") = "5"
    & skf21("1","1","6","5","3","6","7","1") = "6"
    & skf21("1","1","6","5","3","7","1","1") = "6"
    & skf21("1","1","6","5","3","7","2","1") = "6"
    & skf21("1","1","6","5","3","7","3","1") = "6"
    & skf21("1","1","6","5","3","7","4","1") = "6"
    & skf21("1","1","6","5","3","7","5","1") = "6"
    & skf21("1","1","6","5","3","7","6","1") = "6"
    & skf21("1","1","6","5","3","7","7","1") = "6"
    & skf21("1","1","6","5","4","1","1","1") = "5"
    & skf21("1","1","6","5","4","1","2","1") = "5"
    & skf21("1","1","6","5","4","1","3","1") = "5"
    & skf21("1","1","6","5","4","1","4","1") = "5"
    & skf21("1","1","6","5","4","1","5","1") = "5"
    & skf21("1","1","6","5","4","1","6","1") = "5"
    & skf21("1","1","6","5","4","1","7","1") = "6"
    & skf21("1","1","6","5","4","2","1","1") = "5"
    & skf21("1","1","6","5","4","2","2","1") = "5"
    & skf21("1","1","6","5","4","2","3","1") = "5"
    & skf21("1","1","6","5","4","2","4","1") = "5"
    & skf21("1","1","6","5","4","2","5","1") = "5"
    & skf21("1","1","6","5","4","2","6","1") = "5"
    & skf21("1","1","6","5","4","2","7","1") = "6"
    & skf21("1","1","6","5","4","3","1","1") = "5"
    & skf21("1","1","6","5","4","3","2","1") = "5"
    & skf21("1","1","6","5","4","3","3","1") = "5"
    & skf21("1","1","6","5","4","3","4","1") = "5"
    & skf21("1","1","6","5","4","3","5","1") = "5"
    & skf21("1","1","6","5","4","3","6","1") = "5"
    & skf21("1","1","6","5","4","3","7","1") = "6"
    & skf21("1","1","6","5","4","4","1","1") = "5"
    & skf21("1","1","6","5","4","4","2","1") = "5"
    & skf21("1","1","6","5","4","4","3","1") = "5"
    & skf21("1","1","6","5","4","4","4","1") = "5"
    & skf21("1","1","6","5","4","4","5","1") = "5"
    & skf21("1","1","6","5","4","4","6","1") = "5"
    & skf21("1","1","6","5","4","4","7","1") = "6"
    & skf21("1","1","6","5","4","5","1","1") = "5"
    & skf21("1","1","6","5","4","5","2","1") = "5"
    & skf21("1","1","6","5","4","5","3","1") = "5"
    & skf21("1","1","6","5","4","5","4","1") = "5"
    & skf21("1","1","6","5","4","5","5","1") = "5"
    & skf21("1","1","6","5","4","5","6","1") = "5"
    & skf21("1","1","6","5","4","5","7","1") = "6"
    & skf21("1","1","6","5","4","6","1","1") = "5"
    & skf21("1","1","6","5","4","6","2","1") = "5"
    & skf21("1","1","6","5","4","6","3","1") = "5"
    & skf21("1","1","6","5","4","6","4","1") = "5"
    & skf21("1","1","6","5","4","6","5","1") = "5"
    & skf21("1","1","6","5","4","6","6","1") = "5"
    & skf21("1","1","6","5","4","6","7","1") = "6"
    & skf21("1","1","6","5","4","7","1","1") = "6"
    & skf21("1","1","6","5","4","7","2","1") = "6"
    & skf21("1","1","6","5","4","7","3","1") = "6"
    & skf21("1","1","6","5","4","7","4","1") = "6"
    & skf21("1","1","6","5","4","7","5","1") = "6"
    & skf21("1","1","6","5","4","7","6","1") = "6"
    & skf21("1","1","6","5","4","7","7","1") = "6"
    & skf21("1","1","6","5","5","1","1","1") = "5"
    & skf21("1","1","6","5","5","1","2","1") = "5"
    & skf21("1","1","6","5","5","1","3","1") = "5"
    & skf21("1","1","6","5","5","1","4","1") = "5"
    & skf21("1","1","6","5","5","1","5","1") = "5"
    & skf21("1","1","6","5","5","1","6","1") = "5"
    & skf21("1","1","6","5","5","1","7","1") = "6"
    & skf21("1","1","6","5","5","2","1","1") = "5"
    & skf21("1","1","6","5","5","2","2","1") = "5"
    & skf21("1","1","6","5","5","2","3","1") = "5"
    & skf21("1","1","6","5","5","2","4","1") = "5"
    & skf21("1","1","6","5","5","2","5","1") = "5"
    & skf21("1","1","6","5","5","2","6","1") = "5"
    & skf21("1","1","6","5","5","2","7","1") = "6"
    & skf21("1","1","6","5","5","3","1","1") = "5"
    & skf21("1","1","6","5","5","3","2","1") = "5"
    & skf21("1","1","6","5","5","3","3","1") = "5"
    & skf21("1","1","6","5","5","3","4","1") = "5"
    & skf21("1","1","6","5","5","3","5","1") = "5"
    & skf21("1","1","6","5","5","3","6","1") = "5"
    & skf21("1","1","6","5","5","3","7","1") = "6"
    & skf21("1","1","6","5","5","4","1","1") = "5"
    & skf21("1","1","6","5","5","4","2","1") = "5"
    & skf21("1","1","6","5","5","4","3","1") = "5"
    & skf21("1","1","6","5","5","4","4","1") = "5"
    & skf21("1","1","6","5","5","4","5","1") = "5"
    & skf21("1","1","6","5","5","4","6","1") = "5"
    & skf21("1","1","6","5","5","4","7","1") = "6"
    & skf21("1","1","6","5","5","5","1","1") = "5"
    & skf21("1","1","6","5","5","5","2","1") = "5"
    & skf21("1","1","6","5","5","5","3","1") = "5"
    & skf21("1","1","6","5","5","5","4","1") = "5"
    & skf21("1","1","6","5","5","5","5","1") = "5"
    & skf21("1","1","6","5","5","5","6","1") = "5"
    & skf21("1","1","6","5","5","5","7","1") = "6"
    & skf21("1","1","6","5","5","6","1","1") = "5"
    & skf21("1","1","6","5","5","6","2","1") = "5"
    & skf21("1","1","6","5","5","6","3","1") = "5"
    & skf21("1","1","6","5","5","6","4","1") = "5"
    & skf21("1","1","6","5","5","6","5","1") = "5"
    & skf21("1","1","6","5","5","6","6","1") = "5"
    & skf21("1","1","6","5","5","6","7","1") = "6"
    & skf21("1","1","6","5","5","7","1","1") = "6"
    & skf21("1","1","6","5","5","7","2","1") = "6"
    & skf21("1","1","6","5","5","7","3","1") = "6"
    & skf21("1","1","6","5","5","7","4","1") = "6"
    & skf21("1","1","6","5","5","7","5","1") = "6"
    & skf21("1","1","6","5","5","7","6","1") = "6"
    & skf21("1","1","6","5","5","7","7","1") = "6"
    & skf21("1","1","6","5","6","1","1","1") = "5"
    & skf21("1","1","6","5","6","1","2","1") = "5"
    & skf21("1","1","6","5","6","1","3","1") = "5"
    & skf21("1","1","6","5","6","1","4","1") = "5"
    & skf21("1","1","6","5","6","1","5","1") = "5"
    & skf21("1","1","6","5","6","1","6","1") = "5"
    & skf21("1","1","6","5","6","1","7","1") = "6"
    & skf21("1","1","6","5","6","2","1","1") = "5"
    & skf21("1","1","6","5","6","2","2","1") = "5"
    & skf21("1","1","6","5","6","2","3","1") = "5"
    & skf21("1","1","6","5","6","2","4","1") = "5"
    & skf21("1","1","6","5","6","2","5","1") = "5"
    & skf21("1","1","6","5","6","2","6","1") = "5"
    & skf21("1","1","6","5","6","2","7","1") = "6"
    & skf21("1","1","6","5","6","3","1","1") = "5"
    & skf21("1","1","6","5","6","3","2","1") = "5"
    & skf21("1","1","6","5","6","3","3","1") = "5"
    & skf21("1","1","6","5","6","3","4","1") = "5"
    & skf21("1","1","6","5","6","3","5","1") = "5"
    & skf21("1","1","6","5","6","3","6","1") = "5"
    & skf21("1","1","6","5","6","3","7","1") = "6"
    & skf21("1","1","6","5","6","4","1","1") = "5"
    & skf21("1","1","6","5","6","4","2","1") = "5"
    & skf21("1","1","6","5","6","4","3","1") = "5"
    & skf21("1","1","6","5","6","4","4","1") = "5"
    & skf21("1","1","6","5","6","4","5","1") = "5"
    & skf21("1","1","6","5","6","4","6","1") = "5"
    & skf21("1","1","6","5","6","4","7","1") = "6"
    & skf21("1","1","6","5","6","5","1","1") = "5"
    & skf21("1","1","6","5","6","5","2","1") = "5"
    & skf21("1","1","6","5","6","5","3","1") = "5"
    & skf21("1","1","6","5","6","5","4","1") = "5"
    & skf21("1","1","6","5","6","5","5","1") = "5"
    & skf21("1","1","6","5","6","5","6","1") = "5"
    & skf21("1","1","6","5","6","5","7","1") = "6"
    & skf21("1","1","6","5","6","6","1","1") = "5"
    & skf21("1","1","6","5","6","6","2","1") = "5"
    & skf21("1","1","6","5","6","6","3","1") = "5"
    & skf21("1","1","6","5","6","6","4","1") = "5"
    & skf21("1","1","6","5","6","6","5","1") = "5"
    & skf21("1","1","6","5","6","6","6","1") = "5"
    & skf21("1","1","6","5","6","6","7","1") = "6"
    & skf21("1","1","6","5","6","7","1","1") = "6"
    & skf21("1","1","6","5","6","7","2","1") = "6"
    & skf21("1","1","6","5","6","7","3","1") = "6"
    & skf21("1","1","6","5","6","7","4","1") = "6"
    & skf21("1","1","6","5","6","7","5","1") = "6"
    & skf21("1","1","6","5","6","7","6","1") = "6"
    & skf21("1","1","6","5","6","7","7","1") = "6"
    & skf21("1","1","6","5","7","1","1","1") = "6"
    & skf21("1","1","6","5","7","1","2","1") = "6"
    & skf21("1","1","6","5","7","1","3","1") = "6"
    & skf21("1","1","6","5","7","1","4","1") = "6"
    & skf21("1","1","6","5","7","1","5","1") = "6"
    & skf21("1","1","6","5","7","1","6","1") = "6"
    & skf21("1","1","6","5","7","1","7","1") = "6"
    & skf21("1","1","6","5","7","2","1","1") = "6"
    & skf21("1","1","6","5","7","2","2","1") = "6"
    & skf21("1","1","6","5","7","2","3","1") = "6"
    & skf21("1","1","6","5","7","2","4","1") = "6"
    & skf21("1","1","6","5","7","2","5","1") = "6"
    & skf21("1","1","6","5","7","2","6","1") = "6"
    & skf21("1","1","6","5","7","2","7","1") = "6"
    & skf21("1","1","6","5","7","3","1","1") = "6"
    & skf21("1","1","6","5","7","3","2","1") = "6"
    & skf21("1","1","6","5","7","3","3","1") = "6"
    & skf21("1","1","6","5","7","3","4","1") = "6"
    & skf21("1","1","6","5","7","3","5","1") = "6"
    & skf21("1","1","6","5","7","3","6","1") = "6"
    & skf21("1","1","6","5","7","3","7","1") = "6"
    & skf21("1","1","6","5","7","4","1","1") = "6"
    & skf21("1","1","6","5","7","4","2","1") = "6"
    & skf21("1","1","6","5","7","4","3","1") = "6"
    & skf21("1","1","6","5","7","4","4","1") = "6"
    & skf21("1","1","6","5","7","4","5","1") = "6"
    & skf21("1","1","6","5","7","4","6","1") = "6"
    & skf21("1","1","6","5","7","4","7","1") = "6"
    & skf21("1","1","6","5","7","5","1","1") = "6"
    & skf21("1","1","6","5","7","5","2","1") = "6"
    & skf21("1","1","6","5","7","5","3","1") = "6"
    & skf21("1","1","6","5","7","5","4","1") = "6"
    & skf21("1","1","6","5","7","5","5","1") = "6"
    & skf21("1","1","6","5","7","5","6","1") = "6"
    & skf21("1","1","6","5","7","5","7","1") = "6"
    & skf21("1","1","6","5","7","6","1","1") = "6"
    & skf21("1","1","6","5","7","6","2","1") = "6"
    & skf21("1","1","6","5","7","6","3","1") = "6"
    & skf21("1","1","6","5","7","6","4","1") = "6"
    & skf21("1","1","6","5","7","6","5","1") = "6"
    & skf21("1","1","6","5","7","6","6","1") = "6"
    & skf21("1","1","6","5","7","6","7","1") = "6"
    & skf21("1","1","6","5","7","7","1","1") = "6"
    & skf21("1","1","6","5","7","7","2","1") = "6"
    & skf21("1","1","6","5","7","7","3","1") = "6"
    & skf21("1","1","6","5","7","7","4","1") = "6"
    & skf21("1","1","6","5","7","7","5","1") = "6"
    & skf21("1","1","6","5","7","7","6","1") = "6"
    & skf21("1","1","6","5","7","7","7","1") = "6"
    & skf21("1","1","6","6","1","1","1","1") = "5"
    & skf21("1","1","6","6","1","1","2","1") = "5"
    & skf21("1","1","6","6","1","1","3","1") = "5"
    & skf21("1","1","6","6","1","1","4","1") = "5"
    & skf21("1","1","6","6","1","1","5","1") = "5"
    & skf21("1","1","6","6","1","1","6","1") = "5"
    & skf21("1","1","6","6","1","1","7","1") = "6"
    & skf21("1","1","6","6","1","2","1","1") = "5"
    & skf21("1","1","6","6","1","2","2","1") = "5"
    & skf21("1","1","6","6","1","2","3","1") = "5"
    & skf21("1","1","6","6","1","2","4","1") = "5"
    & skf21("1","1","6","6","1","2","5","1") = "5"
    & skf21("1","1","6","6","1","2","6","1") = "5"
    & skf21("1","1","6","6","1","2","7","1") = "6"
    & skf21("1","1","6","6","1","3","1","1") = "5"
    & skf21("1","1","6","6","1","3","2","1") = "5"
    & skf21("1","1","6","6","1","3","3","1") = "5"
    & skf21("1","1","6","6","1","3","4","1") = "5"
    & skf21("1","1","6","6","1","3","5","1") = "5"
    & skf21("1","1","6","6","1","3","6","1") = "5"
    & skf21("1","1","6","6","1","3","7","1") = "6"
    & skf21("1","1","6","6","1","4","1","1") = "5"
    & skf21("1","1","6","6","1","4","2","1") = "5"
    & skf21("1","1","6","6","1","4","3","1") = "5"
    & skf21("1","1","6","6","1","4","4","1") = "5"
    & skf21("1","1","6","6","1","4","5","1") = "5"
    & skf21("1","1","6","6","1","4","6","1") = "5"
    & skf21("1","1","6","6","1","4","7","1") = "6"
    & skf21("1","1","6","6","1","5","1","1") = "5"
    & skf21("1","1","6","6","1","5","2","1") = "5"
    & skf21("1","1","6","6","1","5","3","1") = "5"
    & skf21("1","1","6","6","1","5","4","1") = "5"
    & skf21("1","1","6","6","1","5","5","1") = "5"
    & skf21("1","1","6","6","1","5","6","1") = "5"
    & skf21("1","1","6","6","1","5","7","1") = "6"
    & skf21("1","1","6","6","1","6","1","1") = "5"
    & skf21("1","1","6","6","1","6","2","1") = "5"
    & skf21("1","1","6","6","1","6","3","1") = "5"
    & skf21("1","1","6","6","1","6","4","1") = "5"
    & skf21("1","1","6","6","1","6","5","1") = "5"
    & skf21("1","1","6","6","1","6","6","1") = "5"
    & skf21("1","1","6","6","1","6","7","1") = "6"
    & skf21("1","1","6","6","1","7","1","1") = "6"
    & skf21("1","1","6","6","1","7","2","1") = "6"
    & skf21("1","1","6","6","1","7","3","1") = "6"
    & skf21("1","1","6","6","1","7","4","1") = "6"
    & skf21("1","1","6","6","1","7","5","1") = "6"
    & skf21("1","1","6","6","1","7","6","1") = "6"
    & skf21("1","1","6","6","1","7","7","1") = "6"
    & skf21("1","1","6","6","2","1","1","1") = "5"
    & skf21("1","1","6","6","2","1","2","1") = "5"
    & skf21("1","1","6","6","2","1","3","1") = "5"
    & skf21("1","1","6","6","2","1","4","1") = "5"
    & skf21("1","1","6","6","2","1","5","1") = "5"
    & skf21("1","1","6","6","2","1","6","1") = "5"
    & skf21("1","1","6","6","2","1","7","1") = "6"
    & skf21("1","1","6","6","2","2","1","1") = "5"
    & skf21("1","1","6","6","2","2","2","1") = "5"
    & skf21("1","1","6","6","2","2","3","1") = "5"
    & skf21("1","1","6","6","2","2","4","1") = "5"
    & skf21("1","1","6","6","2","2","5","1") = "5"
    & skf21("1","1","6","6","2","2","6","1") = "5"
    & skf21("1","1","6","6","2","2","7","1") = "6"
    & skf21("1","1","6","6","2","3","1","1") = "5"
    & skf21("1","1","6","6","2","3","2","1") = "5"
    & skf21("1","1","6","6","2","3","3","1") = "5"
    & skf21("1","1","6","6","2","3","4","1") = "5"
    & skf21("1","1","6","6","2","3","5","1") = "5"
    & skf21("1","1","6","6","2","3","6","1") = "5"
    & skf21("1","1","6","6","2","3","7","1") = "6"
    & skf21("1","1","6","6","2","4","1","1") = "5"
    & skf21("1","1","6","6","2","4","2","1") = "5"
    & skf21("1","1","6","6","2","4","3","1") = "5"
    & skf21("1","1","6","6","2","4","4","1") = "5"
    & skf21("1","1","6","6","2","4","5","1") = "5"
    & skf21("1","1","6","6","2","4","6","1") = "5"
    & skf21("1","1","6","6","2","4","7","1") = "6"
    & skf21("1","1","6","6","2","5","1","1") = "5"
    & skf21("1","1","6","6","2","5","2","1") = "5"
    & skf21("1","1","6","6","2","5","3","1") = "5"
    & skf21("1","1","6","6","2","5","4","1") = "5"
    & skf21("1","1","6","6","2","5","5","1") = "5"
    & skf21("1","1","6","6","2","5","6","1") = "5"
    & skf21("1","1","6","6","2","5","7","1") = "6"
    & skf21("1","1","6","6","2","6","1","1") = "5"
    & skf21("1","1","6","6","2","6","2","1") = "5"
    & skf21("1","1","6","6","2","6","3","1") = "5"
    & skf21("1","1","6","6","2","6","4","1") = "5"
    & skf21("1","1","6","6","2","6","5","1") = "5"
    & skf21("1","1","6","6","2","6","6","1") = "5"
    & skf21("1","1","6","6","2","6","7","1") = "6"
    & skf21("1","1","6","6","2","7","1","1") = "6"
    & skf21("1","1","6","6","2","7","2","1") = "6"
    & skf21("1","1","6","6","2","7","3","1") = "6"
    & skf21("1","1","6","6","2","7","4","1") = "6"
    & skf21("1","1","6","6","2","7","5","1") = "6"
    & skf21("1","1","6","6","2","7","6","1") = "6"
    & skf21("1","1","6","6","2","7","7","1") = "6"
    & skf21("1","1","6","6","3","1","1","1") = "5"
    & skf21("1","1","6","6","3","1","2","1") = "5"
    & skf21("1","1","6","6","3","1","3","1") = "5"
    & skf21("1","1","6","6","3","1","4","1") = "5"
    & skf21("1","1","6","6","3","1","5","1") = "5"
    & skf21("1","1","6","6","3","1","6","1") = "5"
    & skf21("1","1","6","6","3","1","7","1") = "6"
    & skf21("1","1","6","6","3","2","1","1") = "5"
    & skf21("1","1","6","6","3","2","2","1") = "5"
    & skf21("1","1","6","6","3","2","3","1") = "5"
    & skf21("1","1","6","6","3","2","4","1") = "5"
    & skf21("1","1","6","6","3","2","5","1") = "5"
    & skf21("1","1","6","6","3","2","6","1") = "5"
    & skf21("1","1","6","6","3","2","7","1") = "6"
    & skf21("1","1","6","6","3","3","1","1") = "5"
    & skf21("1","1","6","6","3","3","2","1") = "5"
    & skf21("1","1","6","6","3","3","3","1") = "5"
    & skf21("1","1","6","6","3","3","4","1") = "5"
    & skf21("1","1","6","6","3","3","5","1") = "5"
    & skf21("1","1","6","6","3","3","6","1") = "5"
    & skf21("1","1","6","6","3","3","7","1") = "6"
    & skf21("1","1","6","6","3","4","1","1") = "5"
    & skf21("1","1","6","6","3","4","2","1") = "5"
    & skf21("1","1","6","6","3","4","3","1") = "5"
    & skf21("1","1","6","6","3","4","4","1") = "5"
    & skf21("1","1","6","6","3","4","5","1") = "5"
    & skf21("1","1","6","6","3","4","6","1") = "5"
    & skf21("1","1","6","6","3","4","7","1") = "6"
    & skf21("1","1","6","6","3","5","1","1") = "5"
    & skf21("1","1","6","6","3","5","2","1") = "5"
    & skf21("1","1","6","6","3","5","3","1") = "5"
    & skf21("1","1","6","6","3","5","4","1") = "5"
    & skf21("1","1","6","6","3","5","5","1") = "5"
    & skf21("1","1","6","6","3","5","6","1") = "5"
    & skf21("1","1","6","6","3","5","7","1") = "6"
    & skf21("1","1","6","6","3","6","1","1") = "5"
    & skf21("1","1","6","6","3","6","2","1") = "5"
    & skf21("1","1","6","6","3","6","3","1") = "5"
    & skf21("1","1","6","6","3","6","4","1") = "5"
    & skf21("1","1","6","6","3","6","5","1") = "5"
    & skf21("1","1","6","6","3","6","6","1") = "5"
    & skf21("1","1","6","6","3","6","7","1") = "6"
    & skf21("1","1","6","6","3","7","1","1") = "6"
    & skf21("1","1","6","6","3","7","2","1") = "6"
    & skf21("1","1","6","6","3","7","3","1") = "6"
    & skf21("1","1","6","6","3","7","4","1") = "6"
    & skf21("1","1","6","6","3","7","5","1") = "6"
    & skf21("1","1","6","6","3","7","6","1") = "6"
    & skf21("1","1","6","6","3","7","7","1") = "6"
    & skf21("1","1","6","6","4","1","1","1") = "5"
    & skf21("1","1","6","6","4","1","2","1") = "5"
    & skf21("1","1","6","6","4","1","3","1") = "5"
    & skf21("1","1","6","6","4","1","4","1") = "5"
    & skf21("1","1","6","6","4","1","5","1") = "5"
    & skf21("1","1","6","6","4","1","6","1") = "5"
    & skf21("1","1","6","6","4","1","7","1") = "6"
    & skf21("1","1","6","6","4","2","1","1") = "5"
    & skf21("1","1","6","6","4","2","2","1") = "5"
    & skf21("1","1","6","6","4","2","3","1") = "5"
    & skf21("1","1","6","6","4","2","4","1") = "5"
    & skf21("1","1","6","6","4","2","5","1") = "5"
    & skf21("1","1","6","6","4","2","6","1") = "5"
    & skf21("1","1","6","6","4","2","7","1") = "6"
    & skf21("1","1","6","6","4","3","1","1") = "5"
    & skf21("1","1","6","6","4","3","2","1") = "5"
    & skf21("1","1","6","6","4","3","3","1") = "5"
    & skf21("1","1","6","6","4","3","4","1") = "5"
    & skf21("1","1","6","6","4","3","5","1") = "5"
    & skf21("1","1","6","6","4","3","6","1") = "5"
    & skf21("1","1","6","6","4","3","7","1") = "6"
    & skf21("1","1","6","6","4","4","1","1") = "5"
    & skf21("1","1","6","6","4","4","2","1") = "5"
    & skf21("1","1","6","6","4","4","3","1") = "5"
    & skf21("1","1","6","6","4","4","4","1") = "5"
    & skf21("1","1","6","6","4","4","5","1") = "5"
    & skf21("1","1","6","6","4","4","6","1") = "5"
    & skf21("1","1","6","6","4","4","7","1") = "6"
    & skf21("1","1","6","6","4","5","1","1") = "5"
    & skf21("1","1","6","6","4","5","2","1") = "5"
    & skf21("1","1","6","6","4","5","3","1") = "5"
    & skf21("1","1","6","6","4","5","4","1") = "5"
    & skf21("1","1","6","6","4","5","5","1") = "5"
    & skf21("1","1","6","6","4","5","6","1") = "5"
    & skf21("1","1","6","6","4","5","7","1") = "6"
    & skf21("1","1","6","6","4","6","1","1") = "5"
    & skf21("1","1","6","6","4","6","2","1") = "5"
    & skf21("1","1","6","6","4","6","3","1") = "5"
    & skf21("1","1","6","6","4","6","4","1") = "5"
    & skf21("1","1","6","6","4","6","5","1") = "5"
    & skf21("1","1","6","6","4","6","6","1") = "5"
    & skf21("1","1","6","6","4","6","7","1") = "6"
    & skf21("1","1","6","6","4","7","1","1") = "6"
    & skf21("1","1","6","6","4","7","2","1") = "6"
    & skf21("1","1","6","6","4","7","3","1") = "6"
    & skf21("1","1","6","6","4","7","4","1") = "6"
    & skf21("1","1","6","6","4","7","5","1") = "6"
    & skf21("1","1","6","6","4","7","6","1") = "6"
    & skf21("1","1","6","6","4","7","7","1") = "6"
    & skf21("1","1","6","6","5","1","1","1") = "5"
    & skf21("1","1","6","6","5","1","2","1") = "5"
    & skf21("1","1","6","6","5","1","3","1") = "5"
    & skf21("1","1","6","6","5","1","4","1") = "5"
    & skf21("1","1","6","6","5","1","5","1") = "5"
    & skf21("1","1","6","6","5","1","6","1") = "5"
    & skf21("1","1","6","6","5","1","7","1") = "6"
    & skf21("1","1","6","6","5","2","1","1") = "5"
    & skf21("1","1","6","6","5","2","2","1") = "5"
    & skf21("1","1","6","6","5","2","3","1") = "5"
    & skf21("1","1","6","6","5","2","4","1") = "5"
    & skf21("1","1","6","6","5","2","5","1") = "5"
    & skf21("1","1","6","6","5","2","6","1") = "5"
    & skf21("1","1","6","6","5","2","7","1") = "6"
    & skf21("1","1","6","6","5","3","1","1") = "5"
    & skf21("1","1","6","6","5","3","2","1") = "5"
    & skf21("1","1","6","6","5","3","3","1") = "5"
    & skf21("1","1","6","6","5","3","4","1") = "5"
    & skf21("1","1","6","6","5","3","5","1") = "5"
    & skf21("1","1","6","6","5","3","6","1") = "5"
    & skf21("1","1","6","6","5","3","7","1") = "6"
    & skf21("1","1","6","6","5","4","1","1") = "5"
    & skf21("1","1","6","6","5","4","2","1") = "5"
    & skf21("1","1","6","6","5","4","3","1") = "5"
    & skf21("1","1","6","6","5","4","4","1") = "5"
    & skf21("1","1","6","6","5","4","5","1") = "5"
    & skf21("1","1","6","6","5","4","6","1") = "5"
    & skf21("1","1","6","6","5","4","7","1") = "6"
    & skf21("1","1","6","6","5","5","1","1") = "5"
    & skf21("1","1","6","6","5","5","2","1") = "5"
    & skf21("1","1","6","6","5","5","3","1") = "5"
    & skf21("1","1","6","6","5","5","4","1") = "5"
    & skf21("1","1","6","6","5","5","5","1") = "5"
    & skf21("1","1","6","6","5","5","6","1") = "5"
    & skf21("1","1","6","6","5","5","7","1") = "6"
    & skf21("1","1","6","6","5","6","1","1") = "5"
    & skf21("1","1","6","6","5","6","2","1") = "5"
    & skf21("1","1","6","6","5","6","3","1") = "5"
    & skf21("1","1","6","6","5","6","4","1") = "5"
    & skf21("1","1","6","6","5","6","5","1") = "5"
    & skf21("1","1","6","6","5","6","6","1") = "5"
    & skf21("1","1","6","6","5","6","7","1") = "6"
    & skf21("1","1","6","6","5","7","1","1") = "6"
    & skf21("1","1","6","6","5","7","2","1") = "6"
    & skf21("1","1","6","6","5","7","3","1") = "6"
    & skf21("1","1","6","6","5","7","4","1") = "6"
    & skf21("1","1","6","6","5","7","5","1") = "6"
    & skf21("1","1","6","6","5","7","6","1") = "6"
    & skf21("1","1","6","6","5","7","7","1") = "6"
    & skf21("1","1","6","6","6","1","1","1") = "5"
    & skf21("1","1","6","6","6","1","2","1") = "5"
    & skf21("1","1","6","6","6","1","3","1") = "5"
    & skf21("1","1","6","6","6","1","4","1") = "5"
    & skf21("1","1","6","6","6","1","5","1") = "5"
    & skf21("1","1","6","6","6","1","6","1") = "5"
    & skf21("1","1","6","6","6","1","7","1") = "6"
    & skf21("1","1","6","6","6","2","1","1") = "5"
    & skf21("1","1","6","6","6","2","2","1") = "5"
    & skf21("1","1","6","6","6","2","3","1") = "5"
    & skf21("1","1","6","6","6","2","4","1") = "5"
    & skf21("1","1","6","6","6","2","5","1") = "5"
    & skf21("1","1","6","6","6","2","6","1") = "5"
    & skf21("1","1","6","6","6","2","7","1") = "6"
    & skf21("1","1","6","6","6","3","1","1") = "5"
    & skf21("1","1","6","6","6","3","2","1") = "5"
    & skf21("1","1","6","6","6","3","3","1") = "5"
    & skf21("1","1","6","6","6","3","4","1") = "5"
    & skf21("1","1","6","6","6","3","5","1") = "5"
    & skf21("1","1","6","6","6","3","6","1") = "5"
    & skf21("1","1","6","6","6","3","7","1") = "6"
    & skf21("1","1","6","6","6","4","1","1") = "5"
    & skf21("1","1","6","6","6","4","2","1") = "5"
    & skf21("1","1","6","6","6","4","3","1") = "5"
    & skf21("1","1","6","6","6","4","4","1") = "5"
    & skf21("1","1","6","6","6","4","5","1") = "5"
    & skf21("1","1","6","6","6","4","6","1") = "5"
    & skf21("1","1","6","6","6","4","7","1") = "6"
    & skf21("1","1","6","6","6","5","1","1") = "5"
    & skf21("1","1","6","6","6","5","2","1") = "5"
    & skf21("1","1","6","6","6","5","3","1") = "5"
    & skf21("1","1","6","6","6","5","4","1") = "5"
    & skf21("1","1","6","6","6","5","5","1") = "5"
    & skf21("1","1","6","6","6","5","6","1") = "5"
    & skf21("1","1","6","6","6","5","7","1") = "6"
    & skf21("1","1","6","6","6","6","1","1") = "5"
    & skf21("1","1","6","6","6","6","2","1") = "5"
    & skf21("1","1","6","6","6","6","3","1") = "5"
    & skf21("1","1","6","6","6","6","4","1") = "5"
    & skf21("1","1","6","6","6","6","5","1") = "5"
    & skf21("1","1","6","6","6","6","6","1") = "5"
    & skf21("1","1","6","6","6","6","7","1") = "6"
    & skf21("1","1","6","6","6","7","1","1") = "6"
    & skf21("1","1","6","6","6","7","2","1") = "6"
    & skf21("1","1","6","6","6","7","3","1") = "6"
    & skf21("1","1","6","6","6","7","4","1") = "6"
    & skf21("1","1","6","6","6","7","5","1") = "6"
    & skf21("1","1","6","6","6","7","6","1") = "6"
    & skf21("1","1","6","6","6","7","7","1") = "6"
    & skf21("1","1","6","6","7","1","1","1") = "6"
    & skf21("1","1","6","6","7","1","2","1") = "6"
    & skf21("1","1","6","6","7","1","3","1") = "6"
    & skf21("1","1","6","6","7","1","4","1") = "6"
    & skf21("1","1","6","6","7","1","5","1") = "6"
    & skf21("1","1","6","6","7","1","6","1") = "6"
    & skf21("1","1","6","6","7","1","7","1") = "6"
    & skf21("1","1","6","6","7","2","1","1") = "6"
    & skf21("1","1","6","6","7","2","2","1") = "6"
    & skf21("1","1","6","6","7","2","3","1") = "6"
    & skf21("1","1","6","6","7","2","4","1") = "6"
    & skf21("1","1","6","6","7","2","5","1") = "6"
    & skf21("1","1","6","6","7","2","6","1") = "6"
    & skf21("1","1","6","6","7","2","7","1") = "6"
    & skf21("1","1","6","6","7","3","1","1") = "6"
    & skf21("1","1","6","6","7","3","2","1") = "6"
    & skf21("1","1","6","6","7","3","3","1") = "6"
    & skf21("1","1","6","6","7","3","4","1") = "6"
    & skf21("1","1","6","6","7","3","5","1") = "6"
    & skf21("1","1","6","6","7","3","6","1") = "6"
    & skf21("1","1","6","6","7","3","7","1") = "6"
    & skf21("1","1","6","6","7","4","1","1") = "6"
    & skf21("1","1","6","6","7","4","2","1") = "6"
    & skf21("1","1","6","6","7","4","3","1") = "6"
    & skf21("1","1","6","6","7","4","4","1") = "6"
    & skf21("1","1","6","6","7","4","5","1") = "6"
    & skf21("1","1","6","6","7","4","6","1") = "6"
    & skf21("1","1","6","6","7","4","7","1") = "6"
    & skf21("1","1","6","6","7","5","1","1") = "6"
    & skf21("1","1","6","6","7","5","2","1") = "6"
    & skf21("1","1","6","6","7","5","3","1") = "6"
    & skf21("1","1","6","6","7","5","4","1") = "6"
    & skf21("1","1","6","6","7","5","5","1") = "6"
    & skf21("1","1","6","6","7","5","6","1") = "6"
    & skf21("1","1","6","6","7","5","7","1") = "6"
    & skf21("1","1","6","6","7","6","1","1") = "6"
    & skf21("1","1","6","6","7","6","2","1") = "6"
    & skf21("1","1","6","6","7","6","3","1") = "6"
    & skf21("1","1","6","6","7","6","4","1") = "6"
    & skf21("1","1","6","6","7","6","5","1") = "6"
    & skf21("1","1","6","6","7","6","6","1") = "6"
    & skf21("1","1","6","6","7","6","7","1") = "6"
    & skf21("1","1","6","6","7","7","1","1") = "6"
    & skf21("1","1","6","6","7","7","2","1") = "6"
    & skf21("1","1","6","6","7","7","3","1") = "6"
    & skf21("1","1","6","6","7","7","4","1") = "6"
    & skf21("1","1","6","6","7","7","5","1") = "6"
    & skf21("1","1","6","6","7","7","6","1") = "6"
    & skf21("1","1","6","6","7","7","7","1") = "6"
    & skf21("1","1","6","7","1","1","1","1") = "6"
    & skf21("1","1","6","7","1","1","2","1") = "6"
    & skf21("1","1","6","7","1","1","3","1") = "6"
    & skf21("1","1","6","7","1","1","4","1") = "6"
    & skf21("1","1","6","7","1","1","5","1") = "6"
    & skf21("1","1","6","7","1","1","6","1") = "6"
    & skf21("1","1","6","7","1","1","7","1") = "6"
    & skf21("1","1","6","7","1","2","1","1") = "6"
    & skf21("1","1","6","7","1","2","2","1") = "6"
    & skf21("1","1","6","7","1","2","3","1") = "6"
    & skf21("1","1","6","7","1","2","4","1") = "6"
    & skf21("1","1","6","7","1","2","5","1") = "6"
    & skf21("1","1","6","7","1","2","6","1") = "6"
    & skf21("1","1","6","7","1","2","7","1") = "6"
    & skf21("1","1","6","7","1","3","1","1") = "6"
    & skf21("1","1","6","7","1","3","2","1") = "6"
    & skf21("1","1","6","7","1","3","3","1") = "6"
    & skf21("1","1","6","7","1","3","4","1") = "6"
    & skf21("1","1","6","7","1","3","5","1") = "6"
    & skf21("1","1","6","7","1","3","6","1") = "6"
    & skf21("1","1","6","7","1","3","7","1") = "6"
    & skf21("1","1","6","7","1","4","1","1") = "6"
    & skf21("1","1","6","7","1","4","2","1") = "6"
    & skf21("1","1","6","7","1","4","3","1") = "6"
    & skf21("1","1","6","7","1","4","4","1") = "6"
    & skf21("1","1","6","7","1","4","5","1") = "6"
    & skf21("1","1","6","7","1","4","6","1") = "6"
    & skf21("1","1","6","7","1","4","7","1") = "6"
    & skf21("1","1","6","7","1","5","1","1") = "6"
    & skf21("1","1","6","7","1","5","2","1") = "6"
    & skf21("1","1","6","7","1","5","3","1") = "6"
    & skf21("1","1","6","7","1","5","4","1") = "6"
    & skf21("1","1","6","7","1","5","5","1") = "6"
    & skf21("1","1","6","7","1","5","6","1") = "6"
    & skf21("1","1","6","7","1","5","7","1") = "6"
    & skf21("1","1","6","7","1","6","1","1") = "6"
    & skf21("1","1","6","7","1","6","2","1") = "6"
    & skf21("1","1","6","7","1","6","3","1") = "6"
    & skf21("1","1","6","7","1","6","4","1") = "6"
    & skf21("1","1","6","7","1","6","5","1") = "6"
    & skf21("1","1","6","7","1","6","6","1") = "6"
    & skf21("1","1","6","7","1","6","7","1") = "6"
    & skf21("1","1","6","7","1","7","1","1") = "6"
    & skf21("1","1","6","7","1","7","2","1") = "6"
    & skf21("1","1","6","7","1","7","3","1") = "6"
    & skf21("1","1","6","7","1","7","4","1") = "6"
    & skf21("1","1","6","7","1","7","5","1") = "6"
    & skf21("1","1","6","7","1","7","6","1") = "6"
    & skf21("1","1","6","7","1","7","7","1") = "6"
    & skf21("1","1","6","7","2","1","1","1") = "6"
    & skf21("1","1","6","7","2","1","2","1") = "6"
    & skf21("1","1","6","7","2","1","3","1") = "6"
    & skf21("1","1","6","7","2","1","4","1") = "6"
    & skf21("1","1","6","7","2","1","5","1") = "6"
    & skf21("1","1","6","7","2","1","6","1") = "6"
    & skf21("1","1","6","7","2","1","7","1") = "6"
    & skf21("1","1","6","7","2","2","1","1") = "6"
    & skf21("1","1","6","7","2","2","2","1") = "6"
    & skf21("1","1","6","7","2","2","3","1") = "6"
    & skf21("1","1","6","7","2","2","4","1") = "6"
    & skf21("1","1","6","7","2","2","5","1") = "6"
    & skf21("1","1","6","7","2","2","6","1") = "6"
    & skf21("1","1","6","7","2","2","7","1") = "6"
    & skf21("1","1","6","7","2","3","1","1") = "6"
    & skf21("1","1","6","7","2","3","2","1") = "6"
    & skf21("1","1","6","7","2","3","3","1") = "6"
    & skf21("1","1","6","7","2","3","4","1") = "6"
    & skf21("1","1","6","7","2","3","5","1") = "6"
    & skf21("1","1","6","7","2","3","6","1") = "6"
    & skf21("1","1","6","7","2","3","7","1") = "6"
    & skf21("1","1","6","7","2","4","1","1") = "6"
    & skf21("1","1","6","7","2","4","2","1") = "6"
    & skf21("1","1","6","7","2","4","3","1") = "6"
    & skf21("1","1","6","7","2","4","4","1") = "6"
    & skf21("1","1","6","7","2","4","5","1") = "6"
    & skf21("1","1","6","7","2","4","6","1") = "6"
    & skf21("1","1","6","7","2","4","7","1") = "6"
    & skf21("1","1","6","7","2","5","1","1") = "6"
    & skf21("1","1","6","7","2","5","2","1") = "6"
    & skf21("1","1","6","7","2","5","3","1") = "6"
    & skf21("1","1","6","7","2","5","4","1") = "6"
    & skf21("1","1","6","7","2","5","5","1") = "6"
    & skf21("1","1","6","7","2","5","6","1") = "6"
    & skf21("1","1","6","7","2","5","7","1") = "6"
    & skf21("1","1","6","7","2","6","1","1") = "6"
    & skf21("1","1","6","7","2","6","2","1") = "6"
    & skf21("1","1","6","7","2","6","3","1") = "6"
    & skf21("1","1","6","7","2","6","4","1") = "6"
    & skf21("1","1","6","7","2","6","5","1") = "6"
    & skf21("1","1","6","7","2","6","6","1") = "6"
    & skf21("1","1","6","7","2","6","7","1") = "6"
    & skf21("1","1","6","7","2","7","1","1") = "6"
    & skf21("1","1","6","7","2","7","2","1") = "6"
    & skf21("1","1","6","7","2","7","3","1") = "6"
    & skf21("1","1","6","7","2","7","4","1") = "6"
    & skf21("1","1","6","7","2","7","5","1") = "6"
    & skf21("1","1","6","7","2","7","6","1") = "6"
    & skf21("1","1","6","7","2","7","7","1") = "6"
    & skf21("1","1","6","7","3","1","1","1") = "6"
    & skf21("1","1","6","7","3","1","2","1") = "6"
    & skf21("1","1","6","7","3","1","3","1") = "6"
    & skf21("1","1","6","7","3","1","4","1") = "6"
    & skf21("1","1","6","7","3","1","5","1") = "6"
    & skf21("1","1","6","7","3","1","6","1") = "6"
    & skf21("1","1","6","7","3","1","7","1") = "6"
    & skf21("1","1","6","7","3","2","1","1") = "6"
    & skf21("1","1","6","7","3","2","2","1") = "6"
    & skf21("1","1","6","7","3","2","3","1") = "6"
    & skf21("1","1","6","7","3","2","4","1") = "6"
    & skf21("1","1","6","7","3","2","5","1") = "6"
    & skf21("1","1","6","7","3","2","6","1") = "6"
    & skf21("1","1","6","7","3","2","7","1") = "6"
    & skf21("1","1","6","7","3","3","1","1") = "6"
    & skf21("1","1","6","7","3","3","2","1") = "6"
    & skf21("1","1","6","7","3","3","3","1") = "6"
    & skf21("1","1","6","7","3","3","4","1") = "6"
    & skf21("1","1","6","7","3","3","5","1") = "6"
    & skf21("1","1","6","7","3","3","6","1") = "6"
    & skf21("1","1","6","7","3","3","7","1") = "6"
    & skf21("1","1","6","7","3","4","1","1") = "6"
    & skf21("1","1","6","7","3","4","2","1") = "6"
    & skf21("1","1","6","7","3","4","3","1") = "6"
    & skf21("1","1","6","7","3","4","4","1") = "6"
    & skf21("1","1","6","7","3","4","5","1") = "6"
    & skf21("1","1","6","7","3","4","6","1") = "6"
    & skf21("1","1","6","7","3","4","7","1") = "6"
    & skf21("1","1","6","7","3","5","1","1") = "6"
    & skf21("1","1","6","7","3","5","2","1") = "6"
    & skf21("1","1","6","7","3","5","3","1") = "6"
    & skf21("1","1","6","7","3","5","4","1") = "6"
    & skf21("1","1","6","7","3","5","5","1") = "6"
    & skf21("1","1","6","7","3","5","6","1") = "6"
    & skf21("1","1","6","7","3","5","7","1") = "6"
    & skf21("1","1","6","7","3","6","1","1") = "6"
    & skf21("1","1","6","7","3","6","2","1") = "6"
    & skf21("1","1","6","7","3","6","3","1") = "6"
    & skf21("1","1","6","7","3","6","4","1") = "6"
    & skf21("1","1","6","7","3","6","5","1") = "6"
    & skf21("1","1","6","7","3","6","6","1") = "6"
    & skf21("1","1","6","7","3","6","7","1") = "6"
    & skf21("1","1","6","7","3","7","1","1") = "6"
    & skf21("1","1","6","7","3","7","2","1") = "6"
    & skf21("1","1","6","7","3","7","3","1") = "6"
    & skf21("1","1","6","7","3","7","4","1") = "6"
    & skf21("1","1","6","7","3","7","5","1") = "6"
    & skf21("1","1","6","7","3","7","6","1") = "6"
    & skf21("1","1","6","7","3","7","7","1") = "6"
    & skf21("1","1","6","7","4","1","1","1") = "6"
    & skf21("1","1","6","7","4","1","2","1") = "6"
    & skf21("1","1","6","7","4","1","3","1") = "6"
    & skf21("1","1","6","7","4","1","4","1") = "6"
    & skf21("1","1","6","7","4","1","5","1") = "6"
    & skf21("1","1","6","7","4","1","6","1") = "6"
    & skf21("1","1","6","7","4","1","7","1") = "6"
    & skf21("1","1","6","7","4","2","1","1") = "6"
    & skf21("1","1","6","7","4","2","2","1") = "6"
    & skf21("1","1","6","7","4","2","3","1") = "6"
    & skf21("1","1","6","7","4","2","4","1") = "6"
    & skf21("1","1","6","7","4","2","5","1") = "6"
    & skf21("1","1","6","7","4","2","6","1") = "6"
    & skf21("1","1","6","7","4","2","7","1") = "6"
    & skf21("1","1","6","7","4","3","1","1") = "6"
    & skf21("1","1","6","7","4","3","2","1") = "6"
    & skf21("1","1","6","7","4","3","3","1") = "6"
    & skf21("1","1","6","7","4","3","4","1") = "6"
    & skf21("1","1","6","7","4","3","5","1") = "6"
    & skf21("1","1","6","7","4","3","6","1") = "6"
    & skf21("1","1","6","7","4","3","7","1") = "6"
    & skf21("1","1","6","7","4","4","1","1") = "6"
    & skf21("1","1","6","7","4","4","2","1") = "6"
    & skf21("1","1","6","7","4","4","3","1") = "6"
    & skf21("1","1","6","7","4","4","4","1") = "6"
    & skf21("1","1","6","7","4","4","5","1") = "6"
    & skf21("1","1","6","7","4","4","6","1") = "6"
    & skf21("1","1","6","7","4","4","7","1") = "6"
    & skf21("1","1","6","7","4","5","1","1") = "6"
    & skf21("1","1","6","7","4","5","2","1") = "6"
    & skf21("1","1","6","7","4","5","3","1") = "6"
    & skf21("1","1","6","7","4","5","4","1") = "6"
    & skf21("1","1","6","7","4","5","5","1") = "6"
    & skf21("1","1","6","7","4","5","6","1") = "6"
    & skf21("1","1","6","7","4","5","7","1") = "6"
    & skf21("1","1","6","7","4","6","1","1") = "6"
    & skf21("1","1","6","7","4","6","2","1") = "6"
    & skf21("1","1","6","7","4","6","3","1") = "6"
    & skf21("1","1","6","7","4","6","4","1") = "6"
    & skf21("1","1","6","7","4","6","5","1") = "6"
    & skf21("1","1","6","7","4","6","6","1") = "6"
    & skf21("1","1","6","7","4","6","7","1") = "6"
    & skf21("1","1","6","7","4","7","1","1") = "6"
    & skf21("1","1","6","7","4","7","2","1") = "6"
    & skf21("1","1","6","7","4","7","3","1") = "6"
    & skf21("1","1","6","7","4","7","4","1") = "6"
    & skf21("1","1","6","7","4","7","5","1") = "6"
    & skf21("1","1","6","7","4","7","6","1") = "6"
    & skf21("1","1","6","7","4","7","7","1") = "6"
    & skf21("1","1","6","7","5","1","1","1") = "6"
    & skf21("1","1","6","7","5","1","2","1") = "6"
    & skf21("1","1","6","7","5","1","3","1") = "6"
    & skf21("1","1","6","7","5","1","4","1") = "6"
    & skf21("1","1","6","7","5","1","5","1") = "6"
    & skf21("1","1","6","7","5","1","6","1") = "6"
    & skf21("1","1","6","7","5","1","7","1") = "6"
    & skf21("1","1","6","7","5","2","1","1") = "6"
    & skf21("1","1","6","7","5","2","2","1") = "6"
    & skf21("1","1","6","7","5","2","3","1") = "6"
    & skf21("1","1","6","7","5","2","4","1") = "6"
    & skf21("1","1","6","7","5","2","5","1") = "6"
    & skf21("1","1","6","7","5","2","6","1") = "6"
    & skf21("1","1","6","7","5","2","7","1") = "6"
    & skf21("1","1","6","7","5","3","1","1") = "6"
    & skf21("1","1","6","7","5","3","2","1") = "6"
    & skf21("1","1","6","7","5","3","3","1") = "6"
    & skf21("1","1","6","7","5","3","4","1") = "6"
    & skf21("1","1","6","7","5","3","5","1") = "6"
    & skf21("1","1","6","7","5","3","6","1") = "6"
    & skf21("1","1","6","7","5","3","7","1") = "6"
    & skf21("1","1","6","7","5","4","1","1") = "6"
    & skf21("1","1","6","7","5","4","2","1") = "6"
    & skf21("1","1","6","7","5","4","3","1") = "6"
    & skf21("1","1","6","7","5","4","4","1") = "6"
    & skf21("1","1","6","7","5","4","5","1") = "6"
    & skf21("1","1","6","7","5","4","6","1") = "6"
    & skf21("1","1","6","7","5","4","7","1") = "6"
    & skf21("1","1","6","7","5","5","1","1") = "6"
    & skf21("1","1","6","7","5","5","2","1") = "6"
    & skf21("1","1","6","7","5","5","3","1") = "6"
    & skf21("1","1","6","7","5","5","4","1") = "6"
    & skf21("1","1","6","7","5","5","5","1") = "6"
    & skf21("1","1","6","7","5","5","6","1") = "6"
    & skf21("1","1","6","7","5","5","7","1") = "6"
    & skf21("1","1","6","7","5","6","1","1") = "6"
    & skf21("1","1","6","7","5","6","2","1") = "6"
    & skf21("1","1","6","7","5","6","3","1") = "6"
    & skf21("1","1","6","7","5","6","4","1") = "6"
    & skf21("1","1","6","7","5","6","5","1") = "6"
    & skf21("1","1","6","7","5","6","6","1") = "6"
    & skf21("1","1","6","7","5","6","7","1") = "6"
    & skf21("1","1","6","7","5","7","1","1") = "6"
    & skf21("1","1","6","7","5","7","2","1") = "6"
    & skf21("1","1","6","7","5","7","3","1") = "6"
    & skf21("1","1","6","7","5","7","4","1") = "6"
    & skf21("1","1","6","7","5","7","5","1") = "6"
    & skf21("1","1","6","7","5","7","6","1") = "6"
    & skf21("1","1","6","7","5","7","7","1") = "6"
    & skf21("1","1","6","7","6","1","1","1") = "6"
    & skf21("1","1","6","7","6","1","2","1") = "6"
    & skf21("1","1","6","7","6","1","3","1") = "6"
    & skf21("1","1","6","7","6","1","4","1") = "6"
    & skf21("1","1","6","7","6","1","5","1") = "6"
    & skf21("1","1","6","7","6","1","6","1") = "6"
    & skf21("1","1","6","7","6","1","7","1") = "6"
    & skf21("1","1","6","7","6","2","1","1") = "6"
    & skf21("1","1","6","7","6","2","2","1") = "6"
    & skf21("1","1","6","7","6","2","3","1") = "6"
    & skf21("1","1","6","7","6","2","4","1") = "6"
    & skf21("1","1","6","7","6","2","5","1") = "6"
    & skf21("1","1","6","7","6","2","6","1") = "6"
    & skf21("1","1","6","7","6","2","7","1") = "6"
    & skf21("1","1","6","7","6","3","1","1") = "6"
    & skf21("1","1","6","7","6","3","2","1") = "6"
    & skf21("1","1","6","7","6","3","3","1") = "6"
    & skf21("1","1","6","7","6","3","4","1") = "6"
    & skf21("1","1","6","7","6","3","5","1") = "6"
    & skf21("1","1","6","7","6","3","6","1") = "6"
    & skf21("1","1","6","7","6","3","7","1") = "6"
    & skf21("1","1","6","7","6","4","1","1") = "6"
    & skf21("1","1","6","7","6","4","2","1") = "6"
    & skf21("1","1","6","7","6","4","3","1") = "6"
    & skf21("1","1","6","7","6","4","4","1") = "6"
    & skf21("1","1","6","7","6","4","5","1") = "6"
    & skf21("1","1","6","7","6","4","6","1") = "6"
    & skf21("1","1","6","7","6","4","7","1") = "6"
    & skf21("1","1","6","7","6","5","1","1") = "6"
    & skf21("1","1","6","7","6","5","2","1") = "6"
    & skf21("1","1","6","7","6","5","3","1") = "6"
    & skf21("1","1","6","7","6","5","4","1") = "6"
    & skf21("1","1","6","7","6","5","5","1") = "6"
    & skf21("1","1","6","7","6","5","6","1") = "6"
    & skf21("1","1","6","7","6","5","7","1") = "6"
    & skf21("1","1","6","7","6","6","1","1") = "6"
    & skf21("1","1","6","7","6","6","2","1") = "6"
    & skf21("1","1","6","7","6","6","3","1") = "6"
    & skf21("1","1","6","7","6","6","4","1") = "6"
    & skf21("1","1","6","7","6","6","5","1") = "6"
    & skf21("1","1","6","7","6","6","6","1") = "6"
    & skf21("1","1","6","7","6","6","7","1") = "6"
    & skf21("1","1","6","7","6","7","1","1") = "6"
    & skf21("1","1","6","7","6","7","2","1") = "6"
    & skf21("1","1","6","7","6","7","3","1") = "6"
    & skf21("1","1","6","7","6","7","4","1") = "6"
    & skf21("1","1","6","7","6","7","5","1") = "6"
    & skf21("1","1","6","7","6","7","6","1") = "6"
    & skf21("1","1","6","7","6","7","7","1") = "6"
    & skf21("1","1","6","7","7","1","1","1") = "6"
    & skf21("1","1","6","7","7","1","2","1") = "6"
    & skf21("1","1","6","7","7","1","3","1") = "6"
    & skf21("1","1","6","7","7","1","4","1") = "6"
    & skf21("1","1","6","7","7","1","5","1") = "6"
    & skf21("1","1","6","7","7","1","6","1") = "6"
    & skf21("1","1","6","7","7","1","7","1") = "6"
    & skf21("1","1","6","7","7","2","1","1") = "6"
    & skf21("1","1","6","7","7","2","2","1") = "6"
    & skf21("1","1","6","7","7","2","3","1") = "6"
    & skf21("1","1","6","7","7","2","4","1") = "6"
    & skf21("1","1","6","7","7","2","5","1") = "6"
    & skf21("1","1","6","7","7","2","6","1") = "6"
    & skf21("1","1","6","7","7","2","7","1") = "6"
    & skf21("1","1","6","7","7","3","1","1") = "6"
    & skf21("1","1","6","7","7","3","2","1") = "6"
    & skf21("1","1","6","7","7","3","3","1") = "6"
    & skf21("1","1","6","7","7","3","4","1") = "6"
    & skf21("1","1","6","7","7","3","5","1") = "6"
    & skf21("1","1","6","7","7","3","6","1") = "6"
    & skf21("1","1","6","7","7","3","7","1") = "6"
    & skf21("1","1","6","7","7","4","1","1") = "6"
    & skf21("1","1","6","7","7","4","2","1") = "6"
    & skf21("1","1","6","7","7","4","3","1") = "6"
    & skf21("1","1","6","7","7","4","4","1") = "6"
    & skf21("1","1","6","7","7","4","5","1") = "6"
    & skf21("1","1","6","7","7","4","6","1") = "6"
    & skf21("1","1","6","7","7","4","7","1") = "6"
    & skf21("1","1","6","7","7","5","1","1") = "6"
    & skf21("1","1","6","7","7","5","2","1") = "6"
    & skf21("1","1","6","7","7","5","3","1") = "6"
    & skf21("1","1","6","7","7","5","4","1") = "6"
    & skf21("1","1","6","7","7","5","5","1") = "6"
    & skf21("1","1","6","7","7","5","6","1") = "6"
    & skf21("1","1","6","7","7","5","7","1") = "6"
    & skf21("1","1","6","7","7","6","1","1") = "6"
    & skf21("1","1","6","7","7","6","2","1") = "6"
    & skf21("1","1","6","7","7","6","3","1") = "6"
    & skf21("1","1","6","7","7","6","4","1") = "6"
    & skf21("1","1","6","7","7","6","5","1") = "6"
    & skf21("1","1","6","7","7","6","6","1") = "6"
    & skf21("1","1","6","7","7","6","7","1") = "6"
    & skf21("1","1","6","7","7","7","1","1") = "6"
    & skf21("1","1","6","7","7","7","2","1") = "6"
    & skf21("1","1","6","7","7","7","3","1") = "6"
    & skf21("1","1","6","7","7","7","4","1") = "6"
    & skf21("1","1","6","7","7","7","5","1") = "6"
    & skf21("1","1","6","7","7","7","6","1") = "6"
    & skf21("1","1","6","7","7","7","7","1") = "6"
    & skf21("1","1","7","1","1","1","1","1") = "6"
    & skf21("1","1","7","1","1","1","2","1") = "6"
    & skf21("1","1","7","1","1","1","3","1") = "6"
    & skf21("1","1","7","1","1","1","4","1") = "6"
    & skf21("1","1","7","1","1","1","5","1") = "6"
    & skf21("1","1","7","1","1","1","6","1") = "6"
    & skf21("1","1","7","1","1","1","7","1") = "6"
    & skf21("1","1","7","1","1","2","1","1") = "6"
    & skf21("1","1","7","1","1","2","2","1") = "6"
    & skf21("1","1","7","1","1","2","3","1") = "6"
    & skf21("1","1","7","1","1","2","4","1") = "6"
    & skf21("1","1","7","1","1","2","5","1") = "6"
    & skf21("1","1","7","1","1","2","6","1") = "6"
    & skf21("1","1","7","1","1","2","7","1") = "6"
    & skf21("1","1","7","1","1","3","1","1") = "6"
    & skf21("1","1","7","1","1","3","2","1") = "6"
    & skf21("1","1","7","1","1","3","3","1") = "6"
    & skf21("1","1","7","1","1","3","4","1") = "6"
    & skf21("1","1","7","1","1","3","5","1") = "6"
    & skf21("1","1","7","1","1","3","6","1") = "6"
    & skf21("1","1","7","1","1","3","7","1") = "6"
    & skf21("1","1","7","1","1","4","1","1") = "6"
    & skf21("1","1","7","1","1","4","2","1") = "6"
    & skf21("1","1","7","1","1","4","3","1") = "6"
    & skf21("1","1","7","1","1","4","4","1") = "6"
    & skf21("1","1","7","1","1","4","5","1") = "6"
    & skf21("1","1","7","1","1","4","6","1") = "6"
    & skf21("1","1","7","1","1","4","7","1") = "6"
    & skf21("1","1","7","1","1","5","1","1") = "6"
    & skf21("1","1","7","1","1","5","2","1") = "6"
    & skf21("1","1","7","1","1","5","3","1") = "6"
    & skf21("1","1","7","1","1","5","4","1") = "6"
    & skf21("1","1","7","1","1","5","5","1") = "6"
    & skf21("1","1","7","1","1","5","6","1") = "6"
    & skf21("1","1","7","1","1","5","7","1") = "6"
    & skf21("1","1","7","1","1","6","1","1") = "6"
    & skf21("1","1","7","1","1","6","2","1") = "6"
    & skf21("1","1","7","1","1","6","3","1") = "6"
    & skf21("1","1","7","1","1","6","4","1") = "6"
    & skf21("1","1","7","1","1","6","5","1") = "6"
    & skf21("1","1","7","1","1","6","6","1") = "6"
    & skf21("1","1","7","1","1","6","7","1") = "6"
    & skf21("1","1","7","1","1","7","1","1") = "6"
    & skf21("1","1","7","1","1","7","2","1") = "6"
    & skf21("1","1","7","1","1","7","3","1") = "6"
    & skf21("1","1","7","1","1","7","4","1") = "6"
    & skf21("1","1","7","1","1","7","5","1") = "6"
    & skf21("1","1","7","1","1","7","6","1") = "6"
    & skf21("1","1","7","1","1","7","7","1") = "6"
    & skf21("1","1","7","1","2","1","1","1") = "6"
    & skf21("1","1","7","1","2","1","2","1") = "6"
    & skf21("1","1","7","1","2","1","3","1") = "6"
    & skf21("1","1","7","1","2","1","4","1") = "6"
    & skf21("1","1","7","1","2","1","5","1") = "6"
    & skf21("1","1","7","1","2","1","6","1") = "6"
    & skf21("1","1","7","1","2","1","7","1") = "6"
    & skf21("1","1","7","1","2","2","1","1") = "6"
    & skf21("1","1","7","1","2","2","2","1") = "6"
    & skf21("1","1","7","1","2","2","3","1") = "6"
    & skf21("1","1","7","1","2","2","4","1") = "6"
    & skf21("1","1","7","1","2","2","5","1") = "6"
    & skf21("1","1","7","1","2","2","6","1") = "6"
    & skf21("1","1","7","1","2","2","7","1") = "6"
    & skf21("1","1","7","1","2","3","1","1") = "6"
    & skf21("1","1","7","1","2","3","2","1") = "6"
    & skf21("1","1","7","1","2","3","3","1") = "6"
    & skf21("1","1","7","1","2","3","4","1") = "6"
    & skf21("1","1","7","1","2","3","5","1") = "6"
    & skf21("1","1","7","1","2","3","6","1") = "6"
    & skf21("1","1","7","1","2","3","7","1") = "6"
    & skf21("1","1","7","1","2","4","1","1") = "6"
    & skf21("1","1","7","1","2","4","2","1") = "6"
    & skf21("1","1","7","1","2","4","3","1") = "6"
    & skf21("1","1","7","1","2","4","4","1") = "6"
    & skf21("1","1","7","1","2","4","5","1") = "6"
    & skf21("1","1","7","1","2","4","6","1") = "6"
    & skf21("1","1","7","1","2","4","7","1") = "6"
    & skf21("1","1","7","1","2","5","1","1") = "6"
    & skf21("1","1","7","1","2","5","2","1") = "6"
    & skf21("1","1","7","1","2","5","3","1") = "6"
    & skf21("1","1","7","1","2","5","4","1") = "6"
    & skf21("1","1","7","1","2","5","5","1") = "6"
    & skf21("1","1","7","1","2","5","6","1") = "6"
    & skf21("1","1","7","1","2","5","7","1") = "6"
    & skf21("1","1","7","1","2","6","1","1") = "6"
    & skf21("1","1","7","1","2","6","2","1") = "6"
    & skf21("1","1","7","1","2","6","3","1") = "6"
    & skf21("1","1","7","1","2","6","4","1") = "6"
    & skf21("1","1","7","1","2","6","5","1") = "6"
    & skf21("1","1","7","1","2","6","6","1") = "6"
    & skf21("1","1","7","1","2","6","7","1") = "6"
    & skf21("1","1","7","1","2","7","1","1") = "6"
    & skf21("1","1","7","1","2","7","2","1") = "6"
    & skf21("1","1","7","1","2","7","3","1") = "6"
    & skf21("1","1","7","1","2","7","4","1") = "6"
    & skf21("1","1","7","1","2","7","5","1") = "6"
    & skf21("1","1","7","1","2","7","6","1") = "6"
    & skf21("1","1","7","1","2","7","7","1") = "6"
    & skf21("1","1","7","1","3","1","1","1") = "6"
    & skf21("1","1","7","1","3","1","2","1") = "6"
    & skf21("1","1","7","1","3","1","3","1") = "6"
    & skf21("1","1","7","1","3","1","4","1") = "6"
    & skf21("1","1","7","1","3","1","5","1") = "6"
    & skf21("1","1","7","1","3","1","6","1") = "6"
    & skf21("1","1","7","1","3","1","7","1") = "6"
    & skf21("1","1","7","1","3","2","1","1") = "6"
    & skf21("1","1","7","1","3","2","2","1") = "6"
    & skf21("1","1","7","1","3","2","3","1") = "6"
    & skf21("1","1","7","1","3","2","4","1") = "6"
    & skf21("1","1","7","1","3","2","5","1") = "6"
    & skf21("1","1","7","1","3","2","6","1") = "6"
    & skf21("1","1","7","1","3","2","7","1") = "6"
    & skf21("1","1","7","1","3","3","1","1") = "6"
    & skf21("1","1","7","1","3","3","2","1") = "6"
    & skf21("1","1","7","1","3","3","3","1") = "6"
    & skf21("1","1","7","1","3","3","4","1") = "6"
    & skf21("1","1","7","1","3","3","5","1") = "6"
    & skf21("1","1","7","1","3","3","6","1") = "6"
    & skf21("1","1","7","1","3","3","7","1") = "6"
    & skf21("1","1","7","1","3","4","1","1") = "6"
    & skf21("1","1","7","1","3","4","2","1") = "6"
    & skf21("1","1","7","1","3","4","3","1") = "6"
    & skf21("1","1","7","1","3","4","4","1") = "6"
    & skf21("1","1","7","1","3","4","5","1") = "6"
    & skf21("1","1","7","1","3","4","6","1") = "6"
    & skf21("1","1","7","1","3","4","7","1") = "6"
    & skf21("1","1","7","1","3","5","1","1") = "6"
    & skf21("1","1","7","1","3","5","2","1") = "6"
    & skf21("1","1","7","1","3","5","3","1") = "6"
    & skf21("1","1","7","1","3","5","4","1") = "6"
    & skf21("1","1","7","1","3","5","5","1") = "6"
    & skf21("1","1","7","1","3","5","6","1") = "6"
    & skf21("1","1","7","1","3","5","7","1") = "6"
    & skf21("1","1","7","1","3","6","1","1") = "6"
    & skf21("1","1","7","1","3","6","2","1") = "6"
    & skf21("1","1","7","1","3","6","3","1") = "6"
    & skf21("1","1","7","1","3","6","4","1") = "6"
    & skf21("1","1","7","1","3","6","5","1") = "6"
    & skf21("1","1","7","1","3","6","6","1") = "6"
    & skf21("1","1","7","1","3","6","7","1") = "6"
    & skf21("1","1","7","1","3","7","1","1") = "6"
    & skf21("1","1","7","1","3","7","2","1") = "6"
    & skf21("1","1","7","1","3","7","3","1") = "6"
    & skf21("1","1","7","1","3","7","4","1") = "6"
    & skf21("1","1","7","1","3","7","5","1") = "6"
    & skf21("1","1","7","1","3","7","6","1") = "6"
    & skf21("1","1","7","1","3","7","7","1") = "6"
    & skf21("1","1","7","1","4","1","1","1") = "6"
    & skf21("1","1","7","1","4","1","2","1") = "6"
    & skf21("1","1","7","1","4","1","3","1") = "6"
    & skf21("1","1","7","1","4","1","4","1") = "6"
    & skf21("1","1","7","1","4","1","5","1") = "6"
    & skf21("1","1","7","1","4","1","6","1") = "6"
    & skf21("1","1","7","1","4","1","7","1") = "6"
    & skf21("1","1","7","1","4","2","1","1") = "6"
    & skf21("1","1","7","1","4","2","2","1") = "6"
    & skf21("1","1","7","1","4","2","3","1") = "6"
    & skf21("1","1","7","1","4","2","4","1") = "6"
    & skf21("1","1","7","1","4","2","5","1") = "6"
    & skf21("1","1","7","1","4","2","6","1") = "6"
    & skf21("1","1","7","1","4","2","7","1") = "6"
    & skf21("1","1","7","1","4","3","1","1") = "6"
    & skf21("1","1","7","1","4","3","2","1") = "6"
    & skf21("1","1","7","1","4","3","3","1") = "6"
    & skf21("1","1","7","1","4","3","4","1") = "6"
    & skf21("1","1","7","1","4","3","5","1") = "6"
    & skf21("1","1","7","1","4","3","6","1") = "6"
    & skf21("1","1","7","1","4","3","7","1") = "6"
    & skf21("1","1","7","1","4","4","1","1") = "6"
    & skf21("1","1","7","1","4","4","2","1") = "6"
    & skf21("1","1","7","1","4","4","3","1") = "6"
    & skf21("1","1","7","1","4","4","4","1") = "6"
    & skf21("1","1","7","1","4","4","5","1") = "6"
    & skf21("1","1","7","1","4","4","6","1") = "6"
    & skf21("1","1","7","1","4","4","7","1") = "6"
    & skf21("1","1","7","1","4","5","1","1") = "6"
    & skf21("1","1","7","1","4","5","2","1") = "6"
    & skf21("1","1","7","1","4","5","3","1") = "6"
    & skf21("1","1","7","1","4","5","4","1") = "6"
    & skf21("1","1","7","1","4","5","5","1") = "6"
    & skf21("1","1","7","1","4","5","6","1") = "6"
    & skf21("1","1","7","1","4","5","7","1") = "6"
    & skf21("1","1","7","1","4","6","1","1") = "6"
    & skf21("1","1","7","1","4","6","2","1") = "6"
    & skf21("1","1","7","1","4","6","3","1") = "6"
    & skf21("1","1","7","1","4","6","4","1") = "6"
    & skf21("1","1","7","1","4","6","5","1") = "6"
    & skf21("1","1","7","1","4","6","6","1") = "6"
    & skf21("1","1","7","1","4","6","7","1") = "6"
    & skf21("1","1","7","1","4","7","1","1") = "6"
    & skf21("1","1","7","1","4","7","2","1") = "6"
    & skf21("1","1","7","1","4","7","3","1") = "6"
    & skf21("1","1","7","1","4","7","4","1") = "6"
    & skf21("1","1","7","1","4","7","5","1") = "6"
    & skf21("1","1","7","1","4","7","6","1") = "6"
    & skf21("1","1","7","1","4","7","7","1") = "6"
    & skf21("1","1","7","1","5","1","1","1") = "6"
    & skf21("1","1","7","1","5","1","2","1") = "6"
    & skf21("1","1","7","1","5","1","3","1") = "6"
    & skf21("1","1","7","1","5","1","4","1") = "6"
    & skf21("1","1","7","1","5","1","5","1") = "6"
    & skf21("1","1","7","1","5","1","6","1") = "6"
    & skf21("1","1","7","1","5","1","7","1") = "6"
    & skf21("1","1","7","1","5","2","1","1") = "6"
    & skf21("1","1","7","1","5","2","2","1") = "6"
    & skf21("1","1","7","1","5","2","3","1") = "6"
    & skf21("1","1","7","1","5","2","4","1") = "6"
    & skf21("1","1","7","1","5","2","5","1") = "6"
    & skf21("1","1","7","1","5","2","6","1") = "6"
    & skf21("1","1","7","1","5","2","7","1") = "6"
    & skf21("1","1","7","1","5","3","1","1") = "6"
    & skf21("1","1","7","1","5","3","2","1") = "6"
    & skf21("1","1","7","1","5","3","3","1") = "6"
    & skf21("1","1","7","1","5","3","4","1") = "6"
    & skf21("1","1","7","1","5","3","5","1") = "6"
    & skf21("1","1","7","1","5","3","6","1") = "6"
    & skf21("1","1","7","1","5","3","7","1") = "6"
    & skf21("1","1","7","1","5","4","1","1") = "6"
    & skf21("1","1","7","1","5","4","2","1") = "6"
    & skf21("1","1","7","1","5","4","3","1") = "6"
    & skf21("1","1","7","1","5","4","4","1") = "6"
    & skf21("1","1","7","1","5","4","5","1") = "6"
    & skf21("1","1","7","1","5","4","6","1") = "6"
    & skf21("1","1","7","1","5","4","7","1") = "6"
    & skf21("1","1","7","1","5","5","1","1") = "6"
    & skf21("1","1","7","1","5","5","2","1") = "6"
    & skf21("1","1","7","1","5","5","3","1") = "6"
    & skf21("1","1","7","1","5","5","4","1") = "6"
    & skf21("1","1","7","1","5","5","5","1") = "6"
    & skf21("1","1","7","1","5","5","6","1") = "6"
    & skf21("1","1","7","1","5","5","7","1") = "6"
    & skf21("1","1","7","1","5","6","1","1") = "6"
    & skf21("1","1","7","1","5","6","2","1") = "6"
    & skf21("1","1","7","1","5","6","3","1") = "6"
    & skf21("1","1","7","1","5","6","4","1") = "6"
    & skf21("1","1","7","1","5","6","5","1") = "6"
    & skf21("1","1","7","1","5","6","6","1") = "6"
    & skf21("1","1","7","1","5","6","7","1") = "6"
    & skf21("1","1","7","1","5","7","1","1") = "6"
    & skf21("1","1","7","1","5","7","2","1") = "6"
    & skf21("1","1","7","1","5","7","3","1") = "6"
    & skf21("1","1","7","1","5","7","4","1") = "6"
    & skf21("1","1","7","1","5","7","5","1") = "6"
    & skf21("1","1","7","1","5","7","6","1") = "6"
    & skf21("1","1","7","1","5","7","7","1") = "6"
    & skf21("1","1","7","1","6","1","1","1") = "6"
    & skf21("1","1","7","1","6","1","2","1") = "6"
    & skf21("1","1","7","1","6","1","3","1") = "6"
    & skf21("1","1","7","1","6","1","4","1") = "6"
    & skf21("1","1","7","1","6","1","5","1") = "6"
    & skf21("1","1","7","1","6","1","6","1") = "6"
    & skf21("1","1","7","1","6","1","7","1") = "6"
    & skf21("1","1","7","1","6","2","1","1") = "6"
    & skf21("1","1","7","1","6","2","2","1") = "6"
    & skf21("1","1","7","1","6","2","3","1") = "6"
    & skf21("1","1","7","1","6","2","4","1") = "6"
    & skf21("1","1","7","1","6","2","5","1") = "6"
    & skf21("1","1","7","1","6","2","6","1") = "6"
    & skf21("1","1","7","1","6","2","7","1") = "6"
    & skf21("1","1","7","1","6","3","1","1") = "6"
    & skf21("1","1","7","1","6","3","2","1") = "6"
    & skf21("1","1","7","1","6","3","3","1") = "6"
    & skf21("1","1","7","1","6","3","4","1") = "6"
    & skf21("1","1","7","1","6","3","5","1") = "6"
    & skf21("1","1","7","1","6","3","6","1") = "6"
    & skf21("1","1","7","1","6","3","7","1") = "6"
    & skf21("1","1","7","1","6","4","1","1") = "6"
    & skf21("1","1","7","1","6","4","2","1") = "6"
    & skf21("1","1","7","1","6","4","3","1") = "6"
    & skf21("1","1","7","1","6","4","4","1") = "6"
    & skf21("1","1","7","1","6","4","5","1") = "6"
    & skf21("1","1","7","1","6","4","6","1") = "6"
    & skf21("1","1","7","1","6","4","7","1") = "6"
    & skf21("1","1","7","1","6","5","1","1") = "6"
    & skf21("1","1","7","1","6","5","2","1") = "6"
    & skf21("1","1","7","1","6","5","3","1") = "6"
    & skf21("1","1","7","1","6","5","4","1") = "6"
    & skf21("1","1","7","1","6","5","5","1") = "6"
    & skf21("1","1","7","1","6","5","6","1") = "6"
    & skf21("1","1","7","1","6","5","7","1") = "6"
    & skf21("1","1","7","1","6","6","1","1") = "6"
    & skf21("1","1","7","1","6","6","2","1") = "6"
    & skf21("1","1","7","1","6","6","3","1") = "6"
    & skf21("1","1","7","1","6","6","4","1") = "6"
    & skf21("1","1","7","1","6","6","5","1") = "6"
    & skf21("1","1","7","1","6","6","6","1") = "6"
    & skf21("1","1","7","1","6","6","7","1") = "6"
    & skf21("1","1","7","1","6","7","1","1") = "6"
    & skf21("1","1","7","1","6","7","2","1") = "6"
    & skf21("1","1","7","1","6","7","3","1") = "6"
    & skf21("1","1","7","1","6","7","4","1") = "6"
    & skf21("1","1","7","1","6","7","5","1") = "6"
    & skf21("1","1","7","1","6","7","6","1") = "6"
    & skf21("1","1","7","1","6","7","7","1") = "6"
    & skf21("1","1","7","1","7","1","1","1") = "6"
    & skf21("1","1","7","1","7","1","2","1") = "6"
    & skf21("1","1","7","1","7","1","3","1") = "6"
    & skf21("1","1","7","1","7","1","4","1") = "6"
    & skf21("1","1","7","1","7","1","5","1") = "6"
    & skf21("1","1","7","1","7","1","6","1") = "6"
    & skf21("1","1","7","1","7","1","7","1") = "6"
    & skf21("1","1","7","1","7","2","1","1") = "6"
    & skf21("1","1","7","1","7","2","2","1") = "6"
    & skf21("1","1","7","1","7","2","3","1") = "6"
    & skf21("1","1","7","1","7","2","4","1") = "6"
    & skf21("1","1","7","1","7","2","5","1") = "6"
    & skf21("1","1","7","1","7","2","6","1") = "6"
    & skf21("1","1","7","1","7","2","7","1") = "6"
    & skf21("1","1","7","1","7","3","1","1") = "6"
    & skf21("1","1","7","1","7","3","2","1") = "6"
    & skf21("1","1","7","1","7","3","3","1") = "6"
    & skf21("1","1","7","1","7","3","4","1") = "6"
    & skf21("1","1","7","1","7","3","5","1") = "6"
    & skf21("1","1","7","1","7","3","6","1") = "6"
    & skf21("1","1","7","1","7","3","7","1") = "6"
    & skf21("1","1","7","1","7","4","1","1") = "6"
    & skf21("1","1","7","1","7","4","2","1") = "6"
    & skf21("1","1","7","1","7","4","3","1") = "6"
    & skf21("1","1","7","1","7","4","4","1") = "6"
    & skf21("1","1","7","1","7","4","5","1") = "6"
    & skf21("1","1","7","1","7","4","6","1") = "6"
    & skf21("1","1","7","1","7","4","7","1") = "6"
    & skf21("1","1","7","1","7","5","1","1") = "6"
    & skf21("1","1","7","1","7","5","2","1") = "6"
    & skf21("1","1","7","1","7","5","3","1") = "6"
    & skf21("1","1","7","1","7","5","4","1") = "6"
    & skf21("1","1","7","1","7","5","5","1") = "6"
    & skf21("1","1","7","1","7","5","6","1") = "6"
    & skf21("1","1","7","1","7","5","7","1") = "6"
    & skf21("1","1","7","1","7","6","1","1") = "6"
    & skf21("1","1","7","1","7","6","2","1") = "6"
    & skf21("1","1","7","1","7","6","3","1") = "6"
    & skf21("1","1","7","1","7","6","4","1") = "6"
    & skf21("1","1","7","1","7","6","5","1") = "6"
    & skf21("1","1","7","1","7","6","6","1") = "6"
    & skf21("1","1","7","1","7","6","7","1") = "6"
    & skf21("1","1","7","1","7","7","1","1") = "6"
    & skf21("1","1","7","1","7","7","2","1") = "6"
    & skf21("1","1","7","1","7","7","3","1") = "6"
    & skf21("1","1","7","1","7","7","4","1") = "6"
    & skf21("1","1","7","1","7","7","5","1") = "6"
    & skf21("1","1","7","1","7","7","6","1") = "6"
    & skf21("1","1","7","1","7","7","7","1") = "6"
    & skf21("1","1","7","2","1","1","1","1") = "6"
    & skf21("1","1","7","2","1","1","2","1") = "6"
    & skf21("1","1","7","2","1","1","3","1") = "6"
    & skf21("1","1","7","2","1","1","4","1") = "6"
    & skf21("1","1","7","2","1","1","5","1") = "6"
    & skf21("1","1","7","2","1","1","6","1") = "6"
    & skf21("1","1","7","2","1","1","7","1") = "6"
    & skf21("1","1","7","2","1","2","1","1") = "6"
    & skf21("1","1","7","2","1","2","2","1") = "6"
    & skf21("1","1","7","2","1","2","3","1") = "6"
    & skf21("1","1","7","2","1","2","4","1") = "6"
    & skf21("1","1","7","2","1","2","5","1") = "6"
    & skf21("1","1","7","2","1","2","6","1") = "6"
    & skf21("1","1","7","2","1","2","7","1") = "6"
    & skf21("1","1","7","2","1","3","1","1") = "6"
    & skf21("1","1","7","2","1","3","2","1") = "6"
    & skf21("1","1","7","2","1","3","3","1") = "6"
    & skf21("1","1","7","2","1","3","4","1") = "6"
    & skf21("1","1","7","2","1","3","5","1") = "6"
    & skf21("1","1","7","2","1","3","6","1") = "6"
    & skf21("1","1","7","2","1","3","7","1") = "6"
    & skf21("1","1","7","2","1","4","1","1") = "6"
    & skf21("1","1","7","2","1","4","2","1") = "6"
    & skf21("1","1","7","2","1","4","3","1") = "6"
    & skf21("1","1","7","2","1","4","4","1") = "6"
    & skf21("1","1","7","2","1","4","5","1") = "6"
    & skf21("1","1","7","2","1","4","6","1") = "6"
    & skf21("1","1","7","2","1","4","7","1") = "6"
    & skf21("1","1","7","2","1","5","1","1") = "6"
    & skf21("1","1","7","2","1","5","2","1") = "6"
    & skf21("1","1","7","2","1","5","3","1") = "6"
    & skf21("1","1","7","2","1","5","4","1") = "6"
    & skf21("1","1","7","2","1","5","5","1") = "6"
    & skf21("1","1","7","2","1","5","6","1") = "6"
    & skf21("1","1","7","2","1","5","7","1") = "6"
    & skf21("1","1","7","2","1","6","1","1") = "6"
    & skf21("1","1","7","2","1","6","2","1") = "6"
    & skf21("1","1","7","2","1","6","3","1") = "6"
    & skf21("1","1","7","2","1","6","4","1") = "6"
    & skf21("1","1","7","2","1","6","5","1") = "6"
    & skf21("1","1","7","2","1","6","6","1") = "6"
    & skf21("1","1","7","2","1","6","7","1") = "6"
    & skf21("1","1","7","2","1","7","1","1") = "6"
    & skf21("1","1","7","2","1","7","2","1") = "6"
    & skf21("1","1","7","2","1","7","3","1") = "6"
    & skf21("1","1","7","2","1","7","4","1") = "6"
    & skf21("1","1","7","2","1","7","5","1") = "6"
    & skf21("1","1","7","2","1","7","6","1") = "6"
    & skf21("1","1","7","2","1","7","7","1") = "6"
    & skf21("1","1","7","2","2","1","1","1") = "6"
    & skf21("1","1","7","2","2","1","2","1") = "6"
    & skf21("1","1","7","2","2","1","3","1") = "6"
    & skf21("1","1","7","2","2","1","4","1") = "6"
    & skf21("1","1","7","2","2","1","5","1") = "6"
    & skf21("1","1","7","2","2","1","6","1") = "6"
    & skf21("1","1","7","2","2","1","7","1") = "6"
    & skf21("1","1","7","2","2","2","1","1") = "6"
    & skf21("1","1","7","2","2","2","2","1") = "6"
    & skf21("1","1","7","2","2","2","3","1") = "6"
    & skf21("1","1","7","2","2","2","4","1") = "6"
    & skf21("1","1","7","2","2","2","5","1") = "6"
    & skf21("1","1","7","2","2","2","6","1") = "6"
    & skf21("1","1","7","2","2","2","7","1") = "6"
    & skf21("1","1","7","2","2","3","1","1") = "6"
    & skf21("1","1","7","2","2","3","2","1") = "6"
    & skf21("1","1","7","2","2","3","3","1") = "6"
    & skf21("1","1","7","2","2","3","4","1") = "6"
    & skf21("1","1","7","2","2","3","5","1") = "6"
    & skf21("1","1","7","2","2","3","6","1") = "6"
    & skf21("1","1","7","2","2","3","7","1") = "6"
    & skf21("1","1","7","2","2","4","1","1") = "6"
    & skf21("1","1","7","2","2","4","2","1") = "6"
    & skf21("1","1","7","2","2","4","3","1") = "6"
    & skf21("1","1","7","2","2","4","4","1") = "6"
    & skf21("1","1","7","2","2","4","5","1") = "6"
    & skf21("1","1","7","2","2","4","6","1") = "6"
    & skf21("1","1","7","2","2","4","7","1") = "6"
    & skf21("1","1","7","2","2","5","1","1") = "6"
    & skf21("1","1","7","2","2","5","2","1") = "6"
    & skf21("1","1","7","2","2","5","3","1") = "6"
    & skf21("1","1","7","2","2","5","4","1") = "6"
    & skf21("1","1","7","2","2","5","5","1") = "6"
    & skf21("1","1","7","2","2","5","6","1") = "6"
    & skf21("1","1","7","2","2","5","7","1") = "6"
    & skf21("1","1","7","2","2","6","1","1") = "6"
    & skf21("1","1","7","2","2","6","2","1") = "6"
    & skf21("1","1","7","2","2","6","3","1") = "6"
    & skf21("1","1","7","2","2","6","4","1") = "6"
    & skf21("1","1","7","2","2","6","5","1") = "6"
    & skf21("1","1","7","2","2","6","6","1") = "6"
    & skf21("1","1","7","2","2","6","7","1") = "6"
    & skf21("1","1","7","2","2","7","1","1") = "6"
    & skf21("1","1","7","2","2","7","2","1") = "6"
    & skf21("1","1","7","2","2","7","3","1") = "6"
    & skf21("1","1","7","2","2","7","4","1") = "6"
    & skf21("1","1","7","2","2","7","5","1") = "6"
    & skf21("1","1","7","2","2","7","6","1") = "6"
    & skf21("1","1","7","2","2","7","7","1") = "6"
    & skf21("1","1","7","2","3","1","1","1") = "6"
    & skf21("1","1","7","2","3","1","2","1") = "6"
    & skf21("1","1","7","2","3","1","3","1") = "6"
    & skf21("1","1","7","2","3","1","4","1") = "6"
    & skf21("1","1","7","2","3","1","5","1") = "6"
    & skf21("1","1","7","2","3","1","6","1") = "6"
    & skf21("1","1","7","2","3","1","7","1") = "6"
    & skf21("1","1","7","2","3","2","1","1") = "6"
    & skf21("1","1","7","2","3","2","2","1") = "6"
    & skf21("1","1","7","2","3","2","3","1") = "6"
    & skf21("1","1","7","2","3","2","4","1") = "6"
    & skf21("1","1","7","2","3","2","5","1") = "6"
    & skf21("1","1","7","2","3","2","6","1") = "6"
    & skf21("1","1","7","2","3","2","7","1") = "6"
    & skf21("1","1","7","2","3","3","1","1") = "6"
    & skf21("1","1","7","2","3","3","2","1") = "6"
    & skf21("1","1","7","2","3","3","3","1") = "6"
    & skf21("1","1","7","2","3","3","4","1") = "6"
    & skf21("1","1","7","2","3","3","5","1") = "6"
    & skf21("1","1","7","2","3","3","6","1") = "6"
    & skf21("1","1","7","2","3","3","7","1") = "6"
    & skf21("1","1","7","2","3","4","1","1") = "6"
    & skf21("1","1","7","2","3","4","2","1") = "6"
    & skf21("1","1","7","2","3","4","3","1") = "6"
    & skf21("1","1","7","2","3","4","4","1") = "6"
    & skf21("1","1","7","2","3","4","5","1") = "6"
    & skf21("1","1","7","2","3","4","6","1") = "6"
    & skf21("1","1","7","2","3","4","7","1") = "6"
    & skf21("1","1","7","2","3","5","1","1") = "6"
    & skf21("1","1","7","2","3","5","2","1") = "6"
    & skf21("1","1","7","2","3","5","3","1") = "6"
    & skf21("1","1","7","2","3","5","4","1") = "6"
    & skf21("1","1","7","2","3","5","5","1") = "6"
    & skf21("1","1","7","2","3","5","6","1") = "6"
    & skf21("1","1","7","2","3","5","7","1") = "6"
    & skf21("1","1","7","2","3","6","1","1") = "6"
    & skf21("1","1","7","2","3","6","2","1") = "6"
    & skf21("1","1","7","2","3","6","3","1") = "6"
    & skf21("1","1","7","2","3","6","4","1") = "6"
    & skf21("1","1","7","2","3","6","5","1") = "6"
    & skf21("1","1","7","2","3","6","6","1") = "6"
    & skf21("1","1","7","2","3","6","7","1") = "6"
    & skf21("1","1","7","2","3","7","1","1") = "6"
    & skf21("1","1","7","2","3","7","2","1") = "6"
    & skf21("1","1","7","2","3","7","3","1") = "6"
    & skf21("1","1","7","2","3","7","4","1") = "6"
    & skf21("1","1","7","2","3","7","5","1") = "6"
    & skf21("1","1","7","2","3","7","6","1") = "6"
    & skf21("1","1","7","2","3","7","7","1") = "6"
    & skf21("1","1","7","2","4","1","1","1") = "6"
    & skf21("1","1","7","2","4","1","2","1") = "6"
    & skf21("1","1","7","2","4","1","3","1") = "6"
    & skf21("1","1","7","2","4","1","4","1") = "6"
    & skf21("1","1","7","2","4","1","5","1") = "6"
    & skf21("1","1","7","2","4","1","6","1") = "6"
    & skf21("1","1","7","2","4","1","7","1") = "6"
    & skf21("1","1","7","2","4","2","1","1") = "6"
    & skf21("1","1","7","2","4","2","2","1") = "6"
    & skf21("1","1","7","2","4","2","3","1") = "6"
    & skf21("1","1","7","2","4","2","4","1") = "6"
    & skf21("1","1","7","2","4","2","5","1") = "6"
    & skf21("1","1","7","2","4","2","6","1") = "6"
    & skf21("1","1","7","2","4","2","7","1") = "6"
    & skf21("1","1","7","2","4","3","1","1") = "6"
    & skf21("1","1","7","2","4","3","2","1") = "6"
    & skf21("1","1","7","2","4","3","3","1") = "6"
    & skf21("1","1","7","2","4","3","4","1") = "6"
    & skf21("1","1","7","2","4","3","5","1") = "6"
    & skf21("1","1","7","2","4","3","6","1") = "6"
    & skf21("1","1","7","2","4","3","7","1") = "6"
    & skf21("1","1","7","2","4","4","1","1") = "6"
    & skf21("1","1","7","2","4","4","2","1") = "6"
    & skf21("1","1","7","2","4","4","3","1") = "6"
    & skf21("1","1","7","2","4","4","4","1") = "6"
    & skf21("1","1","7","2","4","4","5","1") = "6"
    & skf21("1","1","7","2","4","4","6","1") = "6"
    & skf21("1","1","7","2","4","4","7","1") = "6"
    & skf21("1","1","7","2","4","5","1","1") = "6"
    & skf21("1","1","7","2","4","5","2","1") = "6"
    & skf21("1","1","7","2","4","5","3","1") = "6"
    & skf21("1","1","7","2","4","5","4","1") = "6"
    & skf21("1","1","7","2","4","5","5","1") = "6"
    & skf21("1","1","7","2","4","5","6","1") = "6"
    & skf21("1","1","7","2","4","5","7","1") = "6"
    & skf21("1","1","7","2","4","6","1","1") = "6"
    & skf21("1","1","7","2","4","6","2","1") = "6"
    & skf21("1","1","7","2","4","6","3","1") = "6"
    & skf21("1","1","7","2","4","6","4","1") = "6"
    & skf21("1","1","7","2","4","6","5","1") = "6"
    & skf21("1","1","7","2","4","6","6","1") = "6"
    & skf21("1","1","7","2","4","6","7","1") = "6"
    & skf21("1","1","7","2","4","7","1","1") = "6"
    & skf21("1","1","7","2","4","7","2","1") = "6"
    & skf21("1","1","7","2","4","7","3","1") = "6"
    & skf21("1","1","7","2","4","7","4","1") = "6"
    & skf21("1","1","7","2","4","7","5","1") = "6"
    & skf21("1","1","7","2","4","7","6","1") = "6"
    & skf21("1","1","7","2","4","7","7","1") = "6"
    & skf21("1","1","7","2","5","1","1","1") = "6"
    & skf21("1","1","7","2","5","1","2","1") = "6"
    & skf21("1","1","7","2","5","1","3","1") = "6"
    & skf21("1","1","7","2","5","1","4","1") = "6"
    & skf21("1","1","7","2","5","1","5","1") = "6"
    & skf21("1","1","7","2","5","1","6","1") = "6"
    & skf21("1","1","7","2","5","1","7","1") = "6"
    & skf21("1","1","7","2","5","2","1","1") = "6"
    & skf21("1","1","7","2","5","2","2","1") = "6"
    & skf21("1","1","7","2","5","2","3","1") = "6"
    & skf21("1","1","7","2","5","2","4","1") = "6"
    & skf21("1","1","7","2","5","2","5","1") = "6"
    & skf21("1","1","7","2","5","2","6","1") = "6"
    & skf21("1","1","7","2","5","2","7","1") = "6"
    & skf21("1","1","7","2","5","3","1","1") = "6"
    & skf21("1","1","7","2","5","3","2","1") = "6"
    & skf21("1","1","7","2","5","3","3","1") = "6"
    & skf21("1","1","7","2","5","3","4","1") = "6"
    & skf21("1","1","7","2","5","3","5","1") = "6"
    & skf21("1","1","7","2","5","3","6","1") = "6"
    & skf21("1","1","7","2","5","3","7","1") = "6"
    & skf21("1","1","7","2","5","4","1","1") = "6"
    & skf21("1","1","7","2","5","4","2","1") = "6"
    & skf21("1","1","7","2","5","4","3","1") = "6"
    & skf21("1","1","7","2","5","4","4","1") = "6"
    & skf21("1","1","7","2","5","4","5","1") = "6"
    & skf21("1","1","7","2","5","4","6","1") = "6"
    & skf21("1","1","7","2","5","4","7","1") = "6"
    & skf21("1","1","7","2","5","5","1","1") = "6"
    & skf21("1","1","7","2","5","5","2","1") = "6"
    & skf21("1","1","7","2","5","5","3","1") = "6"
    & skf21("1","1","7","2","5","5","4","1") = "6"
    & skf21("1","1","7","2","5","5","5","1") = "6"
    & skf21("1","1","7","2","5","5","6","1") = "6"
    & skf21("1","1","7","2","5","5","7","1") = "6"
    & skf21("1","1","7","2","5","6","1","1") = "6"
    & skf21("1","1","7","2","5","6","2","1") = "6"
    & skf21("1","1","7","2","5","6","3","1") = "6"
    & skf21("1","1","7","2","5","6","4","1") = "6"
    & skf21("1","1","7","2","5","6","5","1") = "6"
    & skf21("1","1","7","2","5","6","6","1") = "6"
    & skf21("1","1","7","2","5","6","7","1") = "6"
    & skf21("1","1","7","2","5","7","1","1") = "6"
    & skf21("1","1","7","2","5","7","2","1") = "6"
    & skf21("1","1","7","2","5","7","3","1") = "6"
    & skf21("1","1","7","2","5","7","4","1") = "6"
    & skf21("1","1","7","2","5","7","5","1") = "6"
    & skf21("1","1","7","2","5","7","6","1") = "6"
    & skf21("1","1","7","2","5","7","7","1") = "6"
    & skf21("1","1","7","2","6","1","1","1") = "6"
    & skf21("1","1","7","2","6","1","2","1") = "6"
    & skf21("1","1","7","2","6","1","3","1") = "6"
    & skf21("1","1","7","2","6","1","4","1") = "6"
    & skf21("1","1","7","2","6","1","5","1") = "6"
    & skf21("1","1","7","2","6","1","6","1") = "6"
    & skf21("1","1","7","2","6","1","7","1") = "6"
    & skf21("1","1","7","2","6","2","1","1") = "6"
    & skf21("1","1","7","2","6","2","2","1") = "6"
    & skf21("1","1","7","2","6","2","3","1") = "6"
    & skf21("1","1","7","2","6","2","4","1") = "6"
    & skf21("1","1","7","2","6","2","5","1") = "6"
    & skf21("1","1","7","2","6","2","6","1") = "6"
    & skf21("1","1","7","2","6","2","7","1") = "6"
    & skf21("1","1","7","2","6","3","1","1") = "6"
    & skf21("1","1","7","2","6","3","2","1") = "6"
    & skf21("1","1","7","2","6","3","3","1") = "6"
    & skf21("1","1","7","2","6","3","4","1") = "6"
    & skf21("1","1","7","2","6","3","5","1") = "6"
    & skf21("1","1","7","2","6","3","6","1") = "6"
    & skf21("1","1","7","2","6","3","7","1") = "6"
    & skf21("1","1","7","2","6","4","1","1") = "6"
    & skf21("1","1","7","2","6","4","2","1") = "6"
    & skf21("1","1","7","2","6","4","3","1") = "6"
    & skf21("1","1","7","2","6","4","4","1") = "6"
    & skf21("1","1","7","2","6","4","5","1") = "6"
    & skf21("1","1","7","2","6","4","6","1") = "6"
    & skf21("1","1","7","2","6","4","7","1") = "6"
    & skf21("1","1","7","2","6","5","1","1") = "6"
    & skf21("1","1","7","2","6","5","2","1") = "6"
    & skf21("1","1","7","2","6","5","3","1") = "6"
    & skf21("1","1","7","2","6","5","4","1") = "6"
    & skf21("1","1","7","2","6","5","5","1") = "6"
    & skf21("1","1","7","2","6","5","6","1") = "6"
    & skf21("1","1","7","2","6","5","7","1") = "6"
    & skf21("1","1","7","2","6","6","1","1") = "6"
    & skf21("1","1","7","2","6","6","2","1") = "6"
    & skf21("1","1","7","2","6","6","3","1") = "6"
    & skf21("1","1","7","2","6","6","4","1") = "6"
    & skf21("1","1","7","2","6","6","5","1") = "6"
    & skf21("1","1","7","2","6","6","6","1") = "6"
    & skf21("1","1","7","2","6","6","7","1") = "6"
    & skf21("1","1","7","2","6","7","1","1") = "6"
    & skf21("1","1","7","2","6","7","2","1") = "6"
    & skf21("1","1","7","2","6","7","3","1") = "6"
    & skf21("1","1","7","2","6","7","4","1") = "6"
    & skf21("1","1","7","2","6","7","5","1") = "6"
    & skf21("1","1","7","2","6","7","6","1") = "6"
    & skf21("1","1","7","2","6","7","7","1") = "6"
    & skf21("1","1","7","2","7","1","1","1") = "6"
    & skf21("1","1","7","2","7","1","2","1") = "6"
    & skf21("1","1","7","2","7","1","3","1") = "6"
    & skf21("1","1","7","2","7","1","4","1") = "6"
    & skf21("1","1","7","2","7","1","5","1") = "6"
    & skf21("1","1","7","2","7","1","6","1") = "6"
    & skf21("1","1","7","2","7","1","7","1") = "6"
    & skf21("1","1","7","2","7","2","1","1") = "6"
    & skf21("1","1","7","2","7","2","2","1") = "6"
    & skf21("1","1","7","2","7","2","3","1") = "6"
    & skf21("1","1","7","2","7","2","4","1") = "6"
    & skf21("1","1","7","2","7","2","5","1") = "6"
    & skf21("1","1","7","2","7","2","6","1") = "6"
    & skf21("1","1","7","2","7","2","7","1") = "6"
    & skf21("1","1","7","2","7","3","1","1") = "6"
    & skf21("1","1","7","2","7","3","2","1") = "6"
    & skf21("1","1","7","2","7","3","3","1") = "6"
    & skf21("1","1","7","2","7","3","4","1") = "6"
    & skf21("1","1","7","2","7","3","5","1") = "6"
    & skf21("1","1","7","2","7","3","6","1") = "6"
    & skf21("1","1","7","2","7","3","7","1") = "6"
    & skf21("1","1","7","2","7","4","1","1") = "6"
    & skf21("1","1","7","2","7","4","2","1") = "6"
    & skf21("1","1","7","2","7","4","3","1") = "6"
    & skf21("1","1","7","2","7","4","4","1") = "6"
    & skf21("1","1","7","2","7","4","5","1") = "6"
    & skf21("1","1","7","2","7","4","6","1") = "6"
    & skf21("1","1","7","2","7","4","7","1") = "6"
    & skf21("1","1","7","2","7","5","1","1") = "6"
    & skf21("1","1","7","2","7","5","2","1") = "6"
    & skf21("1","1","7","2","7","5","3","1") = "6"
    & skf21("1","1","7","2","7","5","4","1") = "6"
    & skf21("1","1","7","2","7","5","5","1") = "6"
    & skf21("1","1","7","2","7","5","6","1") = "6"
    & skf21("1","1","7","2","7","5","7","1") = "6"
    & skf21("1","1","7","2","7","6","1","1") = "6"
    & skf21("1","1","7","2","7","6","2","1") = "6"
    & skf21("1","1","7","2","7","6","3","1") = "6"
    & skf21("1","1","7","2","7","6","4","1") = "6"
    & skf21("1","1","7","2","7","6","5","1") = "6"
    & skf21("1","1","7","2","7","6","6","1") = "6"
    & skf21("1","1","7","2","7","6","7","1") = "6"
    & skf21("1","1","7","2","7","7","1","1") = "6"
    & skf21("1","1","7","2","7","7","2","1") = "6"
    & skf21("1","1","7","2","7","7","3","1") = "6"
    & skf21("1","1","7","2","7","7","4","1") = "6"
    & skf21("1","1","7","2","7","7","5","1") = "6"
    & skf21("1","1","7","2","7","7","6","1") = "6"
    & skf21("1","1","7","2","7","7","7","1") = "6"
    & skf21("1","1","7","3","1","1","1","1") = "6"
    & skf21("1","1","7","3","1","1","2","1") = "6"
    & skf21("1","1","7","3","1","1","3","1") = "6"
    & skf21("1","1","7","3","1","1","4","1") = "6"
    & skf21("1","1","7","3","1","1","5","1") = "6"
    & skf21("1","1","7","3","1","1","6","1") = "6"
    & skf21("1","1","7","3","1","1","7","1") = "6"
    & skf21("1","1","7","3","1","2","1","1") = "6"
    & skf21("1","1","7","3","1","2","2","1") = "6"
    & skf21("1","1","7","3","1","2","3","1") = "6"
    & skf21("1","1","7","3","1","2","4","1") = "6"
    & skf21("1","1","7","3","1","2","5","1") = "6"
    & skf21("1","1","7","3","1","2","6","1") = "6"
    & skf21("1","1","7","3","1","2","7","1") = "6"
    & skf21("1","1","7","3","1","3","1","1") = "6"
    & skf21("1","1","7","3","1","3","2","1") = "6"
    & skf21("1","1","7","3","1","3","3","1") = "6"
    & skf21("1","1","7","3","1","3","4","1") = "6"
    & skf21("1","1","7","3","1","3","5","1") = "6"
    & skf21("1","1","7","3","1","3","6","1") = "6"
    & skf21("1","1","7","3","1","3","7","1") = "6"
    & skf21("1","1","7","3","1","4","1","1") = "6"
    & skf21("1","1","7","3","1","4","2","1") = "6"
    & skf21("1","1","7","3","1","4","3","1") = "6"
    & skf21("1","1","7","3","1","4","4","1") = "6"
    & skf21("1","1","7","3","1","4","5","1") = "6"
    & skf21("1","1","7","3","1","4","6","1") = "6"
    & skf21("1","1","7","3","1","4","7","1") = "6"
    & skf21("1","1","7","3","1","5","1","1") = "6"
    & skf21("1","1","7","3","1","5","2","1") = "6"
    & skf21("1","1","7","3","1","5","3","1") = "6"
    & skf21("1","1","7","3","1","5","4","1") = "6"
    & skf21("1","1","7","3","1","5","5","1") = "6"
    & skf21("1","1","7","3","1","5","6","1") = "6"
    & skf21("1","1","7","3","1","5","7","1") = "6"
    & skf21("1","1","7","3","1","6","1","1") = "6"
    & skf21("1","1","7","3","1","6","2","1") = "6"
    & skf21("1","1","7","3","1","6","3","1") = "6"
    & skf21("1","1","7","3","1","6","4","1") = "6"
    & skf21("1","1","7","3","1","6","5","1") = "6"
    & skf21("1","1","7","3","1","6","6","1") = "6"
    & skf21("1","1","7","3","1","6","7","1") = "6"
    & skf21("1","1","7","3","1","7","1","1") = "6"
    & skf21("1","1","7","3","1","7","2","1") = "6"
    & skf21("1","1","7","3","1","7","3","1") = "6"
    & skf21("1","1","7","3","1","7","4","1") = "6"
    & skf21("1","1","7","3","1","7","5","1") = "6"
    & skf21("1","1","7","3","1","7","6","1") = "6"
    & skf21("1","1","7","3","1","7","7","1") = "6"
    & skf21("1","1","7","3","2","1","1","1") = "6"
    & skf21("1","1","7","3","2","1","2","1") = "6"
    & skf21("1","1","7","3","2","1","3","1") = "6"
    & skf21("1","1","7","3","2","1","4","1") = "6"
    & skf21("1","1","7","3","2","1","5","1") = "6"
    & skf21("1","1","7","3","2","1","6","1") = "6"
    & skf21("1","1","7","3","2","1","7","1") = "6"
    & skf21("1","1","7","3","2","2","1","1") = "6"
    & skf21("1","1","7","3","2","2","2","1") = "6"
    & skf21("1","1","7","3","2","2","3","1") = "6"
    & skf21("1","1","7","3","2","2","4","1") = "6"
    & skf21("1","1","7","3","2","2","5","1") = "6"
    & skf21("1","1","7","3","2","2","6","1") = "6"
    & skf21("1","1","7","3","2","2","7","1") = "6"
    & skf21("1","1","7","3","2","3","1","1") = "6"
    & skf21("1","1","7","3","2","3","2","1") = "6"
    & skf21("1","1","7","3","2","3","3","1") = "6"
    & skf21("1","1","7","3","2","3","4","1") = "6"
    & skf21("1","1","7","3","2","3","5","1") = "6"
    & skf21("1","1","7","3","2","3","6","1") = "6"
    & skf21("1","1","7","3","2","3","7","1") = "6"
    & skf21("1","1","7","3","2","4","1","1") = "6"
    & skf21("1","1","7","3","2","4","2","1") = "6"
    & skf21("1","1","7","3","2","4","3","1") = "6"
    & skf21("1","1","7","3","2","4","4","1") = "6"
    & skf21("1","1","7","3","2","4","5","1") = "6"
    & skf21("1","1","7","3","2","4","6","1") = "6"
    & skf21("1","1","7","3","2","4","7","1") = "6"
    & skf21("1","1","7","3","2","5","1","1") = "6"
    & skf21("1","1","7","3","2","5","2","1") = "6"
    & skf21("1","1","7","3","2","5","3","1") = "6"
    & skf21("1","1","7","3","2","5","4","1") = "6"
    & skf21("1","1","7","3","2","5","5","1") = "6"
    & skf21("1","1","7","3","2","5","6","1") = "6"
    & skf21("1","1","7","3","2","5","7","1") = "6"
    & skf21("1","1","7","3","2","6","1","1") = "6"
    & skf21("1","1","7","3","2","6","2","1") = "6"
    & skf21("1","1","7","3","2","6","3","1") = "6"
    & skf21("1","1","7","3","2","6","4","1") = "6"
    & skf21("1","1","7","3","2","6","5","1") = "6"
    & skf21("1","1","7","3","2","6","6","1") = "6"
    & skf21("1","1","7","3","2","6","7","1") = "6"
    & skf21("1","1","7","3","2","7","1","1") = "6"
    & skf21("1","1","7","3","2","7","2","1") = "6"
    & skf21("1","1","7","3","2","7","3","1") = "6"
    & skf21("1","1","7","3","2","7","4","1") = "6"
    & skf21("1","1","7","3","2","7","5","1") = "6"
    & skf21("1","1","7","3","2","7","6","1") = "6"
    & skf21("1","1","7","3","2","7","7","1") = "6"
    & skf21("1","1","7","3","3","1","1","1") = "6"
    & skf21("1","1","7","3","3","1","2","1") = "6"
    & skf21("1","1","7","3","3","1","3","1") = "6"
    & skf21("1","1","7","3","3","1","4","1") = "6"
    & skf21("1","1","7","3","3","1","5","1") = "6"
    & skf21("1","1","7","3","3","1","6","1") = "6"
    & skf21("1","1","7","3","3","1","7","1") = "6"
    & skf21("1","1","7","3","3","2","1","1") = "6"
    & skf21("1","1","7","3","3","2","2","1") = "6"
    & skf21("1","1","7","3","3","2","3","1") = "6"
    & skf21("1","1","7","3","3","2","4","1") = "6"
    & skf21("1","1","7","3","3","2","5","1") = "6"
    & skf21("1","1","7","3","3","2","6","1") = "6"
    & skf21("1","1","7","3","3","2","7","1") = "6"
    & skf21("1","1","7","3","3","3","1","1") = "6"
    & skf21("1","1","7","3","3","3","2","1") = "6"
    & skf21("1","1","7","3","3","3","3","1") = "6"
    & skf21("1","1","7","3","3","3","4","1") = "6"
    & skf21("1","1","7","3","3","3","5","1") = "6"
    & skf21("1","1","7","3","3","3","6","1") = "6"
    & skf21("1","1","7","3","3","3","7","1") = "6"
    & skf21("1","1","7","3","3","4","1","1") = "6"
    & skf21("1","1","7","3","3","4","2","1") = "6"
    & skf21("1","1","7","3","3","4","3","1") = "6"
    & skf21("1","1","7","3","3","4","4","1") = "6"
    & skf21("1","1","7","3","3","4","5","1") = "6"
    & skf21("1","1","7","3","3","4","6","1") = "6"
    & skf21("1","1","7","3","3","4","7","1") = "6"
    & skf21("1","1","7","3","3","5","1","1") = "6"
    & skf21("1","1","7","3","3","5","2","1") = "6"
    & skf21("1","1","7","3","3","5","3","1") = "6"
    & skf21("1","1","7","3","3","5","4","1") = "6"
    & skf21("1","1","7","3","3","5","5","1") = "6"
    & skf21("1","1","7","3","3","5","6","1") = "6"
    & skf21("1","1","7","3","3","5","7","1") = "6"
    & skf21("1","1","7","3","3","6","1","1") = "6"
    & skf21("1","1","7","3","3","6","2","1") = "6"
    & skf21("1","1","7","3","3","6","3","1") = "6"
    & skf21("1","1","7","3","3","6","4","1") = "6"
    & skf21("1","1","7","3","3","6","5","1") = "6"
    & skf21("1","1","7","3","3","6","6","1") = "6"
    & skf21("1","1","7","3","3","6","7","1") = "6"
    & skf21("1","1","7","3","3","7","1","1") = "6"
    & skf21("1","1","7","3","3","7","2","1") = "6"
    & skf21("1","1","7","3","3","7","3","1") = "6"
    & skf21("1","1","7","3","3","7","4","1") = "6"
    & skf21("1","1","7","3","3","7","5","1") = "6"
    & skf21("1","1","7","3","3","7","6","1") = "6"
    & skf21("1","1","7","3","3","7","7","1") = "6"
    & skf21("1","1","7","3","4","1","1","1") = "6"
    & skf21("1","1","7","3","4","1","2","1") = "6"
    & skf21("1","1","7","3","4","1","3","1") = "6"
    & skf21("1","1","7","3","4","1","4","1") = "6"
    & skf21("1","1","7","3","4","1","5","1") = "6"
    & skf21("1","1","7","3","4","1","6","1") = "6"
    & skf21("1","1","7","3","4","1","7","1") = "6"
    & skf21("1","1","7","3","4","2","1","1") = "6"
    & skf21("1","1","7","3","4","2","2","1") = "6"
    & skf21("1","1","7","3","4","2","3","1") = "6"
    & skf21("1","1","7","3","4","2","4","1") = "6"
    & skf21("1","1","7","3","4","2","5","1") = "6"
    & skf21("1","1","7","3","4","2","6","1") = "6"
    & skf21("1","1","7","3","4","2","7","1") = "6"
    & skf21("1","1","7","3","4","3","1","1") = "6"
    & skf21("1","1","7","3","4","3","2","1") = "6"
    & skf21("1","1","7","3","4","3","3","1") = "6"
    & skf21("1","1","7","3","4","3","4","1") = "6"
    & skf21("1","1","7","3","4","3","5","1") = "6"
    & skf21("1","1","7","3","4","3","6","1") = "6"
    & skf21("1","1","7","3","4","3","7","1") = "6"
    & skf21("1","1","7","3","4","4","1","1") = "6"
    & skf21("1","1","7","3","4","4","2","1") = "6"
    & skf21("1","1","7","3","4","4","3","1") = "6"
    & skf21("1","1","7","3","4","4","4","1") = "6"
    & skf21("1","1","7","3","4","4","5","1") = "6"
    & skf21("1","1","7","3","4","4","6","1") = "6"
    & skf21("1","1","7","3","4","4","7","1") = "6"
    & skf21("1","1","7","3","4","5","1","1") = "6"
    & skf21("1","1","7","3","4","5","2","1") = "6"
    & skf21("1","1","7","3","4","5","3","1") = "6"
    & skf21("1","1","7","3","4","5","4","1") = "6"
    & skf21("1","1","7","3","4","5","5","1") = "6"
    & skf21("1","1","7","3","4","5","6","1") = "6"
    & skf21("1","1","7","3","4","5","7","1") = "6"
    & skf21("1","1","7","3","4","6","1","1") = "6"
    & skf21("1","1","7","3","4","6","2","1") = "6"
    & skf21("1","1","7","3","4","6","3","1") = "6"
    & skf21("1","1","7","3","4","6","4","1") = "6"
    & skf21("1","1","7","3","4","6","5","1") = "6"
    & skf21("1","1","7","3","4","6","6","1") = "6"
    & skf21("1","1","7","3","4","6","7","1") = "6"
    & skf21("1","1","7","3","4","7","1","1") = "6"
    & skf21("1","1","7","3","4","7","2","1") = "6"
    & skf21("1","1","7","3","4","7","3","1") = "6"
    & skf21("1","1","7","3","4","7","4","1") = "6"
    & skf21("1","1","7","3","4","7","5","1") = "6"
    & skf21("1","1","7","3","4","7","6","1") = "6"
    & skf21("1","1","7","3","4","7","7","1") = "6"
    & skf21("1","1","7","3","5","1","1","1") = "6"
    & skf21("1","1","7","3","5","1","2","1") = "6"
    & skf21("1","1","7","3","5","1","3","1") = "6"
    & skf21("1","1","7","3","5","1","4","1") = "6"
    & skf21("1","1","7","3","5","1","5","1") = "6"
    & skf21("1","1","7","3","5","1","6","1") = "6"
    & skf21("1","1","7","3","5","1","7","1") = "6"
    & skf21("1","1","7","3","5","2","1","1") = "6"
    & skf21("1","1","7","3","5","2","2","1") = "6"
    & skf21("1","1","7","3","5","2","3","1") = "6"
    & skf21("1","1","7","3","5","2","4","1") = "6"
    & skf21("1","1","7","3","5","2","5","1") = "6"
    & skf21("1","1","7","3","5","2","6","1") = "6"
    & skf21("1","1","7","3","5","2","7","1") = "6"
    & skf21("1","1","7","3","5","3","1","1") = "6"
    & skf21("1","1","7","3","5","3","2","1") = "6"
    & skf21("1","1","7","3","5","3","3","1") = "6"
    & skf21("1","1","7","3","5","3","4","1") = "6"
    & skf21("1","1","7","3","5","3","5","1") = "6"
    & skf21("1","1","7","3","5","3","6","1") = "6"
    & skf21("1","1","7","3","5","3","7","1") = "6"
    & skf21("1","1","7","3","5","4","1","1") = "6"
    & skf21("1","1","7","3","5","4","2","1") = "6"
    & skf21("1","1","7","3","5","4","3","1") = "6"
    & skf21("1","1","7","3","5","4","4","1") = "6"
    & skf21("1","1","7","3","5","4","5","1") = "6"
    & skf21("1","1","7","3","5","4","6","1") = "6"
    & skf21("1","1","7","3","5","4","7","1") = "6"
    & skf21("1","1","7","3","5","5","1","1") = "6"
    & skf21("1","1","7","3","5","5","2","1") = "6"
    & skf21("1","1","7","3","5","5","3","1") = "6"
    & skf21("1","1","7","3","5","5","4","1") = "6"
    & skf21("1","1","7","3","5","5","5","1") = "6"
    & skf21("1","1","7","3","5","5","6","1") = "6"
    & skf21("1","1","7","3","5","5","7","1") = "6"
    & skf21("1","1","7","3","5","6","1","1") = "6"
    & skf21("1","1","7","3","5","6","2","1") = "6"
    & skf21("1","1","7","3","5","6","3","1") = "6"
    & skf21("1","1","7","3","5","6","4","1") = "6"
    & skf21("1","1","7","3","5","6","5","1") = "6"
    & skf21("1","1","7","3","5","6","6","1") = "6"
    & skf21("1","1","7","3","5","6","7","1") = "6"
    & skf21("1","1","7","3","5","7","1","1") = "6"
    & skf21("1","1","7","3","5","7","2","1") = "6"
    & skf21("1","1","7","3","5","7","3","1") = "6"
    & skf21("1","1","7","3","5","7","4","1") = "6"
    & skf21("1","1","7","3","5","7","5","1") = "6"
    & skf21("1","1","7","3","5","7","6","1") = "6"
    & skf21("1","1","7","3","5","7","7","1") = "6"
    & skf21("1","1","7","3","6","1","1","1") = "6"
    & skf21("1","1","7","3","6","1","2","1") = "6"
    & skf21("1","1","7","3","6","1","3","1") = "6"
    & skf21("1","1","7","3","6","1","4","1") = "6"
    & skf21("1","1","7","3","6","1","5","1") = "6"
    & skf21("1","1","7","3","6","1","6","1") = "6"
    & skf21("1","1","7","3","6","1","7","1") = "6"
    & skf21("1","1","7","3","6","2","1","1") = "6"
    & skf21("1","1","7","3","6","2","2","1") = "6"
    & skf21("1","1","7","3","6","2","3","1") = "6"
    & skf21("1","1","7","3","6","2","4","1") = "6"
    & skf21("1","1","7","3","6","2","5","1") = "6"
    & skf21("1","1","7","3","6","2","6","1") = "6"
    & skf21("1","1","7","3","6","2","7","1") = "6"
    & skf21("1","1","7","3","6","3","1","1") = "6"
    & skf21("1","1","7","3","6","3","2","1") = "6"
    & skf21("1","1","7","3","6","3","3","1") = "6"
    & skf21("1","1","7","3","6","3","4","1") = "6"
    & skf21("1","1","7","3","6","3","5","1") = "6"
    & skf21("1","1","7","3","6","3","6","1") = "6"
    & skf21("1","1","7","3","6","3","7","1") = "6"
    & skf21("1","1","7","3","6","4","1","1") = "6"
    & skf21("1","1","7","3","6","4","2","1") = "6"
    & skf21("1","1","7","3","6","4","3","1") = "6"
    & skf21("1","1","7","3","6","4","4","1") = "6"
    & skf21("1","1","7","3","6","4","5","1") = "6"
    & skf21("1","1","7","3","6","4","6","1") = "6"
    & skf21("1","1","7","3","6","4","7","1") = "6"
    & skf21("1","1","7","3","6","5","1","1") = "6"
    & skf21("1","1","7","3","6","5","2","1") = "6"
    & skf21("1","1","7","3","6","5","3","1") = "6"
    & skf21("1","1","7","3","6","5","4","1") = "6"
    & skf21("1","1","7","3","6","5","5","1") = "6"
    & skf21("1","1","7","3","6","5","6","1") = "6"
    & skf21("1","1","7","3","6","5","7","1") = "6"
    & skf21("1","1","7","3","6","6","1","1") = "6"
    & skf21("1","1","7","3","6","6","2","1") = "6"
    & skf21("1","1","7","3","6","6","3","1") = "6"
    & skf21("1","1","7","3","6","6","4","1") = "6"
    & skf21("1","1","7","3","6","6","5","1") = "6"
    & skf21("1","1","7","3","6","6","6","1") = "6"
    & skf21("1","1","7","3","6","6","7","1") = "6"
    & skf21("1","1","7","3","6","7","1","1") = "6"
    & skf21("1","1","7","3","6","7","2","1") = "6"
    & skf21("1","1","7","3","6","7","3","1") = "6"
    & skf21("1","1","7","3","6","7","4","1") = "6"
    & skf21("1","1","7","3","6","7","5","1") = "6"
    & skf21("1","1","7","3","6","7","6","1") = "6"
    & skf21("1","1","7","3","6","7","7","1") = "6"
    & skf21("1","1","7","3","7","1","1","1") = "6"
    & skf21("1","1","7","3","7","1","2","1") = "6"
    & skf21("1","1","7","3","7","1","3","1") = "6"
    & skf21("1","1","7","3","7","1","4","1") = "6"
    & skf21("1","1","7","3","7","1","5","1") = "6"
    & skf21("1","1","7","3","7","1","6","1") = "6"
    & skf21("1","1","7","3","7","1","7","1") = "6"
    & skf21("1","1","7","3","7","2","1","1") = "6"
    & skf21("1","1","7","3","7","2","2","1") = "6"
    & skf21("1","1","7","3","7","2","3","1") = "6"
    & skf21("1","1","7","3","7","2","4","1") = "6"
    & skf21("1","1","7","3","7","2","5","1") = "6"
    & skf21("1","1","7","3","7","2","6","1") = "6"
    & skf21("1","1","7","3","7","2","7","1") = "6"
    & skf21("1","1","7","3","7","3","1","1") = "6"
    & skf21("1","1","7","3","7","3","2","1") = "6"
    & skf21("1","1","7","3","7","3","3","1") = "6"
    & skf21("1","1","7","3","7","3","4","1") = "6"
    & skf21("1","1","7","3","7","3","5","1") = "6"
    & skf21("1","1","7","3","7","3","6","1") = "6"
    & skf21("1","1","7","3","7","3","7","1") = "6"
    & skf21("1","1","7","3","7","4","1","1") = "6"
    & skf21("1","1","7","3","7","4","2","1") = "6"
    & skf21("1","1","7","3","7","4","3","1") = "6"
    & skf21("1","1","7","3","7","4","4","1") = "6"
    & skf21("1","1","7","3","7","4","5","1") = "6"
    & skf21("1","1","7","3","7","4","6","1") = "6"
    & skf21("1","1","7","3","7","4","7","1") = "6"
    & skf21("1","1","7","3","7","5","1","1") = "6"
    & skf21("1","1","7","3","7","5","2","1") = "6"
    & skf21("1","1","7","3","7","5","3","1") = "6"
    & skf21("1","1","7","3","7","5","4","1") = "6"
    & skf21("1","1","7","3","7","5","5","1") = "6"
    & skf21("1","1","7","3","7","5","6","1") = "6"
    & skf21("1","1","7","3","7","5","7","1") = "6"
    & skf21("1","1","7","3","7","6","1","1") = "6"
    & skf21("1","1","7","3","7","6","2","1") = "6"
    & skf21("1","1","7","3","7","6","3","1") = "6"
    & skf21("1","1","7","3","7","6","4","1") = "6"
    & skf21("1","1","7","3","7","6","5","1") = "6"
    & skf21("1","1","7","3","7","6","6","1") = "6"
    & skf21("1","1","7","3","7","6","7","1") = "6"
    & skf21("1","1","7","3","7","7","1","1") = "6"
    & skf21("1","1","7","3","7","7","2","1") = "6"
    & skf21("1","1","7","3","7","7","3","1") = "6"
    & skf21("1","1","7","3","7","7","4","1") = "6"
    & skf21("1","1","7","3","7","7","5","1") = "6"
    & skf21("1","1","7","3","7","7","6","1") = "6"
    & skf21("1","1","7","3","7","7","7","1") = "6"
    & skf21("1","1","7","4","1","1","1","1") = "6"
    & skf21("1","1","7","4","1","1","2","1") = "6"
    & skf21("1","1","7","4","1","1","3","1") = "6"
    & skf21("1","1","7","4","1","1","4","1") = "6"
    & skf21("1","1","7","4","1","1","5","1") = "6"
    & skf21("1","1","7","4","1","1","6","1") = "6"
    & skf21("1","1","7","4","1","1","7","1") = "6"
    & skf21("1","1","7","4","1","2","1","1") = "6"
    & skf21("1","1","7","4","1","2","2","1") = "6"
    & skf21("1","1","7","4","1","2","3","1") = "6"
    & skf21("1","1","7","4","1","2","4","1") = "6"
    & skf21("1","1","7","4","1","2","5","1") = "6"
    & skf21("1","1","7","4","1","2","6","1") = "6"
    & skf21("1","1","7","4","1","2","7","1") = "6"
    & skf21("1","1","7","4","1","3","1","1") = "6"
    & skf21("1","1","7","4","1","3","2","1") = "6"
    & skf21("1","1","7","4","1","3","3","1") = "6"
    & skf21("1","1","7","4","1","3","4","1") = "6"
    & skf21("1","1","7","4","1","3","5","1") = "6"
    & skf21("1","1","7","4","1","3","6","1") = "6"
    & skf21("1","1","7","4","1","3","7","1") = "6"
    & skf21("1","1","7","4","1","4","1","1") = "6"
    & skf21("1","1","7","4","1","4","2","1") = "6"
    & skf21("1","1","7","4","1","4","3","1") = "6"
    & skf21("1","1","7","4","1","4","4","1") = "6"
    & skf21("1","1","7","4","1","4","5","1") = "6"
    & skf21("1","1","7","4","1","4","6","1") = "6"
    & skf21("1","1","7","4","1","4","7","1") = "6"
    & skf21("1","1","7","4","1","5","1","1") = "6"
    & skf21("1","1","7","4","1","5","2","1") = "6"
    & skf21("1","1","7","4","1","5","3","1") = "6"
    & skf21("1","1","7","4","1","5","4","1") = "6"
    & skf21("1","1","7","4","1","5","5","1") = "6"
    & skf21("1","1","7","4","1","5","6","1") = "6"
    & skf21("1","1","7","4","1","5","7","1") = "6"
    & skf21("1","1","7","4","1","6","1","1") = "6"
    & skf21("1","1","7","4","1","6","2","1") = "6"
    & skf21("1","1","7","4","1","6","3","1") = "6"
    & skf21("1","1","7","4","1","6","4","1") = "6"
    & skf21("1","1","7","4","1","6","5","1") = "6"
    & skf21("1","1","7","4","1","6","6","1") = "6"
    & skf21("1","1","7","4","1","6","7","1") = "6"
    & skf21("1","1","7","4","1","7","1","1") = "6"
    & skf21("1","1","7","4","1","7","2","1") = "6"
    & skf21("1","1","7","4","1","7","3","1") = "6"
    & skf21("1","1","7","4","1","7","4","1") = "6"
    & skf21("1","1","7","4","1","7","5","1") = "6"
    & skf21("1","1","7","4","1","7","6","1") = "6"
    & skf21("1","1","7","4","1","7","7","1") = "6"
    & skf21("1","1","7","4","2","1","1","1") = "6"
    & skf21("1","1","7","4","2","1","2","1") = "6"
    & skf21("1","1","7","4","2","1","3","1") = "6"
    & skf21("1","1","7","4","2","1","4","1") = "6"
    & skf21("1","1","7","4","2","1","5","1") = "6"
    & skf21("1","1","7","4","2","1","6","1") = "6"
    & skf21("1","1","7","4","2","1","7","1") = "6"
    & skf21("1","1","7","4","2","2","1","1") = "6"
    & skf21("1","1","7","4","2","2","2","1") = "6"
    & skf21("1","1","7","4","2","2","3","1") = "6"
    & skf21("1","1","7","4","2","2","4","1") = "6"
    & skf21("1","1","7","4","2","2","5","1") = "6"
    & skf21("1","1","7","4","2","2","6","1") = "6"
    & skf21("1","1","7","4","2","2","7","1") = "6"
    & skf21("1","1","7","4","2","3","1","1") = "6"
    & skf21("1","1","7","4","2","3","2","1") = "6"
    & skf21("1","1","7","4","2","3","3","1") = "6"
    & skf21("1","1","7","4","2","3","4","1") = "6"
    & skf21("1","1","7","4","2","3","5","1") = "6"
    & skf21("1","1","7","4","2","3","6","1") = "6"
    & skf21("1","1","7","4","2","3","7","1") = "6"
    & skf21("1","1","7","4","2","4","1","1") = "6"
    & skf21("1","1","7","4","2","4","2","1") = "6"
    & skf21("1","1","7","4","2","4","3","1") = "6"
    & skf21("1","1","7","4","2","4","4","1") = "6"
    & skf21("1","1","7","4","2","4","5","1") = "6"
    & skf21("1","1","7","4","2","4","6","1") = "6"
    & skf21("1","1","7","4","2","4","7","1") = "6"
    & skf21("1","1","7","4","2","5","1","1") = "6"
    & skf21("1","1","7","4","2","5","2","1") = "6"
    & skf21("1","1","7","4","2","5","3","1") = "6"
    & skf21("1","1","7","4","2","5","4","1") = "6"
    & skf21("1","1","7","4","2","5","5","1") = "6"
    & skf21("1","1","7","4","2","5","6","1") = "6"
    & skf21("1","1","7","4","2","5","7","1") = "6"
    & skf21("1","1","7","4","2","6","1","1") = "6"
    & skf21("1","1","7","4","2","6","2","1") = "6"
    & skf21("1","1","7","4","2","6","3","1") = "6"
    & skf21("1","1","7","4","2","6","4","1") = "6"
    & skf21("1","1","7","4","2","6","5","1") = "6"
    & skf21("1","1","7","4","2","6","6","1") = "6"
    & skf21("1","1","7","4","2","6","7","1") = "6"
    & skf21("1","1","7","4","2","7","1","1") = "6"
    & skf21("1","1","7","4","2","7","2","1") = "6"
    & skf21("1","1","7","4","2","7","3","1") = "6"
    & skf21("1","1","7","4","2","7","4","1") = "6"
    & skf21("1","1","7","4","2","7","5","1") = "6"
    & skf21("1","1","7","4","2","7","6","1") = "6"
    & skf21("1","1","7","4","2","7","7","1") = "6"
    & skf21("1","1","7","4","3","1","1","1") = "6"
    & skf21("1","1","7","4","3","1","2","1") = "6"
    & skf21("1","1","7","4","3","1","3","1") = "6"
    & skf21("1","1","7","4","3","1","4","1") = "6"
    & skf21("1","1","7","4","3","1","5","1") = "6"
    & skf21("1","1","7","4","3","1","6","1") = "6"
    & skf21("1","1","7","4","3","1","7","1") = "6"
    & skf21("1","1","7","4","3","2","1","1") = "6"
    & skf21("1","1","7","4","3","2","2","1") = "6"
    & skf21("1","1","7","4","3","2","3","1") = "6"
    & skf21("1","1","7","4","3","2","4","1") = "6"
    & skf21("1","1","7","4","3","2","5","1") = "6"
    & skf21("1","1","7","4","3","2","6","1") = "6"
    & skf21("1","1","7","4","3","2","7","1") = "6"
    & skf21("1","1","7","4","3","3","1","1") = "6"
    & skf21("1","1","7","4","3","3","2","1") = "6"
    & skf21("1","1","7","4","3","3","3","1") = "6"
    & skf21("1","1","7","4","3","3","4","1") = "6"
    & skf21("1","1","7","4","3","3","5","1") = "6"
    & skf21("1","1","7","4","3","3","6","1") = "6"
    & skf21("1","1","7","4","3","3","7","1") = "6"
    & skf21("1","1","7","4","3","4","1","1") = "6"
    & skf21("1","1","7","4","3","4","2","1") = "6"
    & skf21("1","1","7","4","3","4","3","1") = "6"
    & skf21("1","1","7","4","3","4","4","1") = "6"
    & skf21("1","1","7","4","3","4","5","1") = "6"
    & skf21("1","1","7","4","3","4","6","1") = "6"
    & skf21("1","1","7","4","3","4","7","1") = "6"
    & skf21("1","1","7","4","3","5","1","1") = "6"
    & skf21("1","1","7","4","3","5","2","1") = "6"
    & skf21("1","1","7","4","3","5","3","1") = "6"
    & skf21("1","1","7","4","3","5","4","1") = "6"
    & skf21("1","1","7","4","3","5","5","1") = "6"
    & skf21("1","1","7","4","3","5","6","1") = "6"
    & skf21("1","1","7","4","3","5","7","1") = "6"
    & skf21("1","1","7","4","3","6","1","1") = "6"
    & skf21("1","1","7","4","3","6","2","1") = "6"
    & skf21("1","1","7","4","3","6","3","1") = "6"
    & skf21("1","1","7","4","3","6","4","1") = "6"
    & skf21("1","1","7","4","3","6","5","1") = "6"
    & skf21("1","1","7","4","3","6","6","1") = "6"
    & skf21("1","1","7","4","3","6","7","1") = "6"
    & skf21("1","1","7","4","3","7","1","1") = "6"
    & skf21("1","1","7","4","3","7","2","1") = "6"
    & skf21("1","1","7","4","3","7","3","1") = "6"
    & skf21("1","1","7","4","3","7","4","1") = "6"
    & skf21("1","1","7","4","3","7","5","1") = "6"
    & skf21("1","1","7","4","3","7","6","1") = "6"
    & skf21("1","1","7","4","3","7","7","1") = "6"
    & skf21("1","1","7","4","4","1","1","1") = "6"
    & skf21("1","1","7","4","4","1","2","1") = "6"
    & skf21("1","1","7","4","4","1","3","1") = "6"
    & skf21("1","1","7","4","4","1","4","1") = "6"
    & skf21("1","1","7","4","4","1","5","1") = "6"
    & skf21("1","1","7","4","4","1","6","1") = "6"
    & skf21("1","1","7","4","4","1","7","1") = "6"
    & skf21("1","1","7","4","4","2","1","1") = "6"
    & skf21("1","1","7","4","4","2","2","1") = "6"
    & skf21("1","1","7","4","4","2","3","1") = "6"
    & skf21("1","1","7","4","4","2","4","1") = "6"
    & skf21("1","1","7","4","4","2","5","1") = "6"
    & skf21("1","1","7","4","4","2","6","1") = "6"
    & skf21("1","1","7","4","4","2","7","1") = "6"
    & skf21("1","1","7","4","4","3","1","1") = "6"
    & skf21("1","1","7","4","4","3","2","1") = "6"
    & skf21("1","1","7","4","4","3","3","1") = "6"
    & skf21("1","1","7","4","4","3","4","1") = "6"
    & skf21("1","1","7","4","4","3","5","1") = "6"
    & skf21("1","1","7","4","4","3","6","1") = "6"
    & skf21("1","1","7","4","4","3","7","1") = "6"
    & skf21("1","1","7","4","4","4","1","1") = "6"
    & skf21("1","1","7","4","4","4","2","1") = "6"
    & skf21("1","1","7","4","4","4","3","1") = "6"
    & skf21("1","1","7","4","4","4","4","1") = "6"
    & skf21("1","1","7","4","4","4","5","1") = "6"
    & skf21("1","1","7","4","4","4","6","1") = "6"
    & skf21("1","1","7","4","4","4","7","1") = "6"
    & skf21("1","1","7","4","4","5","1","1") = "6"
    & skf21("1","1","7","4","4","5","2","1") = "6"
    & skf21("1","1","7","4","4","5","3","1") = "6"
    & skf21("1","1","7","4","4","5","4","1") = "6"
    & skf21("1","1","7","4","4","5","5","1") = "6"
    & skf21("1","1","7","4","4","5","6","1") = "6"
    & skf21("1","1","7","4","4","5","7","1") = "6"
    & skf21("1","1","7","4","4","6","1","1") = "6"
    & skf21("1","1","7","4","4","6","2","1") = "6"
    & skf21("1","1","7","4","4","6","3","1") = "6"
    & skf21("1","1","7","4","4","6","4","1") = "6"
    & skf21("1","1","7","4","4","6","5","1") = "6"
    & skf21("1","1","7","4","4","6","6","1") = "6"
    & skf21("1","1","7","4","4","6","7","1") = "6"
    & skf21("1","1","7","4","4","7","1","1") = "6"
    & skf21("1","1","7","4","4","7","2","1") = "6"
    & skf21("1","1","7","4","4","7","3","1") = "6"
    & skf21("1","1","7","4","4","7","4","1") = "6"
    & skf21("1","1","7","4","4","7","5","1") = "6"
    & skf21("1","1","7","4","4","7","6","1") = "6"
    & skf21("1","1","7","4","4","7","7","1") = "6"
    & skf21("1","1","7","4","5","1","1","1") = "6"
    & skf21("1","1","7","4","5","1","2","1") = "6"
    & skf21("1","1","7","4","5","1","3","1") = "6"
    & skf21("1","1","7","4","5","1","4","1") = "6"
    & skf21("1","1","7","4","5","1","5","1") = "6"
    & skf21("1","1","7","4","5","1","6","1") = "6"
    & skf21("1","1","7","4","5","1","7","1") = "6"
    & skf21("1","1","7","4","5","2","1","1") = "6"
    & skf21("1","1","7","4","5","2","2","1") = "6"
    & skf21("1","1","7","4","5","2","3","1") = "6"
    & skf21("1","1","7","4","5","2","4","1") = "6"
    & skf21("1","1","7","4","5","2","5","1") = "6"
    & skf21("1","1","7","4","5","2","6","1") = "6"
    & skf21("1","1","7","4","5","2","7","1") = "6"
    & skf21("1","1","7","4","5","3","1","1") = "6"
    & skf21("1","1","7","4","5","3","2","1") = "6"
    & skf21("1","1","7","4","5","3","3","1") = "6"
    & skf21("1","1","7","4","5","3","4","1") = "6"
    & skf21("1","1","7","4","5","3","5","1") = "6"
    & skf21("1","1","7","4","5","3","6","1") = "6"
    & skf21("1","1","7","4","5","3","7","1") = "6"
    & skf21("1","1","7","4","5","4","1","1") = "6"
    & skf21("1","1","7","4","5","4","2","1") = "6"
    & skf21("1","1","7","4","5","4","3","1") = "6"
    & skf21("1","1","7","4","5","4","4","1") = "6"
    & skf21("1","1","7","4","5","4","5","1") = "6"
    & skf21("1","1","7","4","5","4","6","1") = "6"
    & skf21("1","1","7","4","5","4","7","1") = "6"
    & skf21("1","1","7","4","5","5","1","1") = "6"
    & skf21("1","1","7","4","5","5","2","1") = "6"
    & skf21("1","1","7","4","5","5","3","1") = "6"
    & skf21("1","1","7","4","5","5","4","1") = "6"
    & skf21("1","1","7","4","5","5","5","1") = "6"
    & skf21("1","1","7","4","5","5","6","1") = "6"
    & skf21("1","1","7","4","5","5","7","1") = "6"
    & skf21("1","1","7","4","5","6","1","1") = "6"
    & skf21("1","1","7","4","5","6","2","1") = "6"
    & skf21("1","1","7","4","5","6","3","1") = "6"
    & skf21("1","1","7","4","5","6","4","1") = "6"
    & skf21("1","1","7","4","5","6","5","1") = "6"
    & skf21("1","1","7","4","5","6","6","1") = "6"
    & skf21("1","1","7","4","5","6","7","1") = "6"
    & skf21("1","1","7","4","5","7","1","1") = "6"
    & skf21("1","1","7","4","5","7","2","1") = "6"
    & skf21("1","1","7","4","5","7","3","1") = "6"
    & skf21("1","1","7","4","5","7","4","1") = "6"
    & skf21("1","1","7","4","5","7","5","1") = "6"
    & skf21("1","1","7","4","5","7","6","1") = "6"
    & skf21("1","1","7","4","5","7","7","1") = "6"
    & skf21("1","1","7","4","6","1","1","1") = "6"
    & skf21("1","1","7","4","6","1","2","1") = "6"
    & skf21("1","1","7","4","6","1","3","1") = "6"
    & skf21("1","1","7","4","6","1","4","1") = "6"
    & skf21("1","1","7","4","6","1","5","1") = "6"
    & skf21("1","1","7","4","6","1","6","1") = "6"
    & skf21("1","1","7","4","6","1","7","1") = "6"
    & skf21("1","1","7","4","6","2","1","1") = "6"
    & skf21("1","1","7","4","6","2","2","1") = "6"
    & skf21("1","1","7","4","6","2","3","1") = "6"
    & skf21("1","1","7","4","6","2","4","1") = "6"
    & skf21("1","1","7","4","6","2","5","1") = "6"
    & skf21("1","1","7","4","6","2","6","1") = "6"
    & skf21("1","1","7","4","6","2","7","1") = "6"
    & skf21("1","1","7","4","6","3","1","1") = "6"
    & skf21("1","1","7","4","6","3","2","1") = "6"
    & skf21("1","1","7","4","6","3","3","1") = "6"
    & skf21("1","1","7","4","6","3","4","1") = "6"
    & skf21("1","1","7","4","6","3","5","1") = "6"
    & skf21("1","1","7","4","6","3","6","1") = "6"
    & skf21("1","1","7","4","6","3","7","1") = "6"
    & skf21("1","1","7","4","6","4","1","1") = "6"
    & skf21("1","1","7","4","6","4","2","1") = "6"
    & skf21("1","1","7","4","6","4","3","1") = "6"
    & skf21("1","1","7","4","6","4","4","1") = "6"
    & skf21("1","1","7","4","6","4","5","1") = "6"
    & skf21("1","1","7","4","6","4","6","1") = "6"
    & skf21("1","1","7","4","6","4","7","1") = "6"
    & skf21("1","1","7","4","6","5","1","1") = "6"
    & skf21("1","1","7","4","6","5","2","1") = "6"
    & skf21("1","1","7","4","6","5","3","1") = "6"
    & skf21("1","1","7","4","6","5","4","1") = "6"
    & skf21("1","1","7","4","6","5","5","1") = "6"
    & skf21("1","1","7","4","6","5","6","1") = "6"
    & skf21("1","1","7","4","6","5","7","1") = "6"
    & skf21("1","1","7","4","6","6","1","1") = "6"
    & skf21("1","1","7","4","6","6","2","1") = "6"
    & skf21("1","1","7","4","6","6","3","1") = "6"
    & skf21("1","1","7","4","6","6","4","1") = "6"
    & skf21("1","1","7","4","6","6","5","1") = "6"
    & skf21("1","1","7","4","6","6","6","1") = "6"
    & skf21("1","1","7","4","6","6","7","1") = "6"
    & skf21("1","1","7","4","6","7","1","1") = "6"
    & skf21("1","1","7","4","6","7","2","1") = "6"
    & skf21("1","1","7","4","6","7","3","1") = "6"
    & skf21("1","1","7","4","6","7","4","1") = "6"
    & skf21("1","1","7","4","6","7","5","1") = "6"
    & skf21("1","1","7","4","6","7","6","1") = "6"
    & skf21("1","1","7","4","6","7","7","1") = "6"
    & skf21("1","1","7","4","7","1","1","1") = "6"
    & skf21("1","1","7","4","7","1","2","1") = "6"
    & skf21("1","1","7","4","7","1","3","1") = "6"
    & skf21("1","1","7","4","7","1","4","1") = "6"
    & skf21("1","1","7","4","7","1","5","1") = "6"
    & skf21("1","1","7","4","7","1","6","1") = "6"
    & skf21("1","1","7","4","7","1","7","1") = "6"
    & skf21("1","1","7","4","7","2","1","1") = "6"
    & skf21("1","1","7","4","7","2","2","1") = "6"
    & skf21("1","1","7","4","7","2","3","1") = "6"
    & skf21("1","1","7","4","7","2","4","1") = "6"
    & skf21("1","1","7","4","7","2","5","1") = "6"
    & skf21("1","1","7","4","7","2","6","1") = "6"
    & skf21("1","1","7","4","7","2","7","1") = "6"
    & skf21("1","1","7","4","7","3","1","1") = "6"
    & skf21("1","1","7","4","7","3","2","1") = "6"
    & skf21("1","1","7","4","7","3","3","1") = "6"
    & skf21("1","1","7","4","7","3","4","1") = "6"
    & skf21("1","1","7","4","7","3","5","1") = "6"
    & skf21("1","1","7","4","7","3","6","1") = "6"
    & skf21("1","1","7","4","7","3","7","1") = "6"
    & skf21("1","1","7","4","7","4","1","1") = "6"
    & skf21("1","1","7","4","7","4","2","1") = "6"
    & skf21("1","1","7","4","7","4","3","1") = "6"
    & skf21("1","1","7","4","7","4","4","1") = "6"
    & skf21("1","1","7","4","7","4","5","1") = "6"
    & skf21("1","1","7","4","7","4","6","1") = "6"
    & skf21("1","1","7","4","7","4","7","1") = "6"
    & skf21("1","1","7","4","7","5","1","1") = "6"
    & skf21("1","1","7","4","7","5","2","1") = "6"
    & skf21("1","1","7","4","7","5","3","1") = "6"
    & skf21("1","1","7","4","7","5","4","1") = "6"
    & skf21("1","1","7","4","7","5","5","1") = "6"
    & skf21("1","1","7","4","7","5","6","1") = "6"
    & skf21("1","1","7","4","7","5","7","1") = "6"
    & skf21("1","1","7","4","7","6","1","1") = "6"
    & skf21("1","1","7","4","7","6","2","1") = "6"
    & skf21("1","1","7","4","7","6","3","1") = "6"
    & skf21("1","1","7","4","7","6","4","1") = "6"
    & skf21("1","1","7","4","7","6","5","1") = "6"
    & skf21("1","1","7","4","7","6","6","1") = "6"
    & skf21("1","1","7","4","7","6","7","1") = "6"
    & skf21("1","1","7","4","7","7","1","1") = "6"
    & skf21("1","1","7","4","7","7","2","1") = "6"
    & skf21("1","1","7","4","7","7","3","1") = "6"
    & skf21("1","1","7","4","7","7","4","1") = "6"
    & skf21("1","1","7","4","7","7","5","1") = "6"
    & skf21("1","1","7","4","7","7","6","1") = "6"
    & skf21("1","1","7","4","7","7","7","1") = "6"
    & skf21("1","1","7","5","1","1","1","1") = "6"
    & skf21("1","1","7","5","1","1","2","1") = "6"
    & skf21("1","1","7","5","1","1","3","1") = "6"
    & skf21("1","1","7","5","1","1","4","1") = "6"
    & skf21("1","1","7","5","1","1","5","1") = "6"
    & skf21("1","1","7","5","1","1","6","1") = "6"
    & skf21("1","1","7","5","1","1","7","1") = "6"
    & skf21("1","1","7","5","1","2","1","1") = "6"
    & skf21("1","1","7","5","1","2","2","1") = "6"
    & skf21("1","1","7","5","1","2","3","1") = "6"
    & skf21("1","1","7","5","1","2","4","1") = "6"
    & skf21("1","1","7","5","1","2","5","1") = "6"
    & skf21("1","1","7","5","1","2","6","1") = "6"
    & skf21("1","1","7","5","1","2","7","1") = "6"
    & skf21("1","1","7","5","1","3","1","1") = "6"
    & skf21("1","1","7","5","1","3","2","1") = "6"
    & skf21("1","1","7","5","1","3","3","1") = "6"
    & skf21("1","1","7","5","1","3","4","1") = "6"
    & skf21("1","1","7","5","1","3","5","1") = "6"
    & skf21("1","1","7","5","1","3","6","1") = "6"
    & skf21("1","1","7","5","1","3","7","1") = "6"
    & skf21("1","1","7","5","1","4","1","1") = "6"
    & skf21("1","1","7","5","1","4","2","1") = "6"
    & skf21("1","1","7","5","1","4","3","1") = "6"
    & skf21("1","1","7","5","1","4","4","1") = "6"
    & skf21("1","1","7","5","1","4","5","1") = "6"
    & skf21("1","1","7","5","1","4","6","1") = "6"
    & skf21("1","1","7","5","1","4","7","1") = "6"
    & skf21("1","1","7","5","1","5","1","1") = "6"
    & skf21("1","1","7","5","1","5","2","1") = "6"
    & skf21("1","1","7","5","1","5","3","1") = "6"
    & skf21("1","1","7","5","1","5","4","1") = "6"
    & skf21("1","1","7","5","1","5","5","1") = "6"
    & skf21("1","1","7","5","1","5","6","1") = "6"
    & skf21("1","1","7","5","1","5","7","1") = "6"
    & skf21("1","1","7","5","1","6","1","1") = "6"
    & skf21("1","1","7","5","1","6","2","1") = "6"
    & skf21("1","1","7","5","1","6","3","1") = "6"
    & skf21("1","1","7","5","1","6","4","1") = "6"
    & skf21("1","1","7","5","1","6","5","1") = "6"
    & skf21("1","1","7","5","1","6","6","1") = "6"
    & skf21("1","1","7","5","1","6","7","1") = "6"
    & skf21("1","1","7","5","1","7","1","1") = "6"
    & skf21("1","1","7","5","1","7","2","1") = "6"
    & skf21("1","1","7","5","1","7","3","1") = "6"
    & skf21("1","1","7","5","1","7","4","1") = "6"
    & skf21("1","1","7","5","1","7","5","1") = "6"
    & skf21("1","1","7","5","1","7","6","1") = "6"
    & skf21("1","1","7","5","1","7","7","1") = "6"
    & skf21("1","1","7","5","2","1","1","1") = "6"
    & skf21("1","1","7","5","2","1","2","1") = "6"
    & skf21("1","1","7","5","2","1","3","1") = "6"
    & skf21("1","1","7","5","2","1","4","1") = "6"
    & skf21("1","1","7","5","2","1","5","1") = "6"
    & skf21("1","1","7","5","2","1","6","1") = "6"
    & skf21("1","1","7","5","2","1","7","1") = "6"
    & skf21("1","1","7","5","2","2","1","1") = "6"
    & skf21("1","1","7","5","2","2","2","1") = "6"
    & skf21("1","1","7","5","2","2","3","1") = "6"
    & skf21("1","1","7","5","2","2","4","1") = "6"
    & skf21("1","1","7","5","2","2","5","1") = "6"
    & skf21("1","1","7","5","2","2","6","1") = "6"
    & skf21("1","1","7","5","2","2","7","1") = "6"
    & skf21("1","1","7","5","2","3","1","1") = "6"
    & skf21("1","1","7","5","2","3","2","1") = "6"
    & skf21("1","1","7","5","2","3","3","1") = "6"
    & skf21("1","1","7","5","2","3","4","1") = "6"
    & skf21("1","1","7","5","2","3","5","1") = "6"
    & skf21("1","1","7","5","2","3","6","1") = "6"
    & skf21("1","1","7","5","2","3","7","1") = "6"
    & skf21("1","1","7","5","2","4","1","1") = "6"
    & skf21("1","1","7","5","2","4","2","1") = "6"
    & skf21("1","1","7","5","2","4","3","1") = "6"
    & skf21("1","1","7","5","2","4","4","1") = "6"
    & skf21("1","1","7","5","2","4","5","1") = "6"
    & skf21("1","1","7","5","2","4","6","1") = "6"
    & skf21("1","1","7","5","2","4","7","1") = "6"
    & skf21("1","1","7","5","2","5","1","1") = "6"
    & skf21("1","1","7","5","2","5","2","1") = "6"
    & skf21("1","1","7","5","2","5","3","1") = "6"
    & skf21("1","1","7","5","2","5","4","1") = "6"
    & skf21("1","1","7","5","2","5","5","1") = "6"
    & skf21("1","1","7","5","2","5","6","1") = "6"
    & skf21("1","1","7","5","2","5","7","1") = "6"
    & skf21("1","1","7","5","2","6","1","1") = "6"
    & skf21("1","1","7","5","2","6","2","1") = "6"
    & skf21("1","1","7","5","2","6","3","1") = "6"
    & skf21("1","1","7","5","2","6","4","1") = "6"
    & skf21("1","1","7","5","2","6","5","1") = "6"
    & skf21("1","1","7","5","2","6","6","1") = "6"
    & skf21("1","1","7","5","2","6","7","1") = "6"
    & skf21("1","1","7","5","2","7","1","1") = "6"
    & skf21("1","1","7","5","2","7","2","1") = "6"
    & skf21("1","1","7","5","2","7","3","1") = "6"
    & skf21("1","1","7","5","2","7","4","1") = "6"
    & skf21("1","1","7","5","2","7","5","1") = "6"
    & skf21("1","1","7","5","2","7","6","1") = "6"
    & skf21("1","1","7","5","2","7","7","1") = "6"
    & skf21("1","1","7","5","3","1","1","1") = "6"
    & skf21("1","1","7","5","3","1","2","1") = "6"
    & skf21("1","1","7","5","3","1","3","1") = "6"
    & skf21("1","1","7","5","3","1","4","1") = "6"
    & skf21("1","1","7","5","3","1","5","1") = "6"
    & skf21("1","1","7","5","3","1","6","1") = "6"
    & skf21("1","1","7","5","3","1","7","1") = "6"
    & skf21("1","1","7","5","3","2","1","1") = "6"
    & skf21("1","1","7","5","3","2","2","1") = "6"
    & skf21("1","1","7","5","3","2","3","1") = "6"
    & skf21("1","1","7","5","3","2","4","1") = "6"
    & skf21("1","1","7","5","3","2","5","1") = "6"
    & skf21("1","1","7","5","3","2","6","1") = "6"
    & skf21("1","1","7","5","3","2","7","1") = "6"
    & skf21("1","1","7","5","3","3","1","1") = "6"
    & skf21("1","1","7","5","3","3","2","1") = "6"
    & skf21("1","1","7","5","3","3","3","1") = "6"
    & skf21("1","1","7","5","3","3","4","1") = "6"
    & skf21("1","1","7","5","3","3","5","1") = "6"
    & skf21("1","1","7","5","3","3","6","1") = "6"
    & skf21("1","1","7","5","3","3","7","1") = "6"
    & skf21("1","1","7","5","3","4","1","1") = "6"
    & skf21("1","1","7","5","3","4","2","1") = "6"
    & skf21("1","1","7","5","3","4","3","1") = "6"
    & skf21("1","1","7","5","3","4","4","1") = "6"
    & skf21("1","1","7","5","3","4","5","1") = "6"
    & skf21("1","1","7","5","3","4","6","1") = "6"
    & skf21("1","1","7","5","3","4","7","1") = "6"
    & skf21("1","1","7","5","3","5","1","1") = "6"
    & skf21("1","1","7","5","3","5","2","1") = "6"
    & skf21("1","1","7","5","3","5","3","1") = "6"
    & skf21("1","1","7","5","3","5","4","1") = "6"
    & skf21("1","1","7","5","3","5","5","1") = "6"
    & skf21("1","1","7","5","3","5","6","1") = "6"
    & skf21("1","1","7","5","3","5","7","1") = "6"
    & skf21("1","1","7","5","3","6","1","1") = "6"
    & skf21("1","1","7","5","3","6","2","1") = "6"
    & skf21("1","1","7","5","3","6","3","1") = "6"
    & skf21("1","1","7","5","3","6","4","1") = "6"
    & skf21("1","1","7","5","3","6","5","1") = "6"
    & skf21("1","1","7","5","3","6","6","1") = "6"
    & skf21("1","1","7","5","3","6","7","1") = "6"
    & skf21("1","1","7","5","3","7","1","1") = "6"
    & skf21("1","1","7","5","3","7","2","1") = "6"
    & skf21("1","1","7","5","3","7","3","1") = "6"
    & skf21("1","1","7","5","3","7","4","1") = "6"
    & skf21("1","1","7","5","3","7","5","1") = "6"
    & skf21("1","1","7","5","3","7","6","1") = "6"
    & skf21("1","1","7","5","3","7","7","1") = "6"
    & skf21("1","1","7","5","4","1","1","1") = "6"
    & skf21("1","1","7","5","4","1","2","1") = "6"
    & skf21("1","1","7","5","4","1","3","1") = "6"
    & skf21("1","1","7","5","4","1","4","1") = "6"
    & skf21("1","1","7","5","4","1","5","1") = "6"
    & skf21("1","1","7","5","4","1","6","1") = "6"
    & skf21("1","1","7","5","4","1","7","1") = "6"
    & skf21("1","1","7","5","4","2","1","1") = "6"
    & skf21("1","1","7","5","4","2","2","1") = "6"
    & skf21("1","1","7","5","4","2","3","1") = "6"
    & skf21("1","1","7","5","4","2","4","1") = "6"
    & skf21("1","1","7","5","4","2","5","1") = "6"
    & skf21("1","1","7","5","4","2","6","1") = "6"
    & skf21("1","1","7","5","4","2","7","1") = "6"
    & skf21("1","1","7","5","4","3","1","1") = "6"
    & skf21("1","1","7","5","4","3","2","1") = "6"
    & skf21("1","1","7","5","4","3","3","1") = "6"
    & skf21("1","1","7","5","4","3","4","1") = "6"
    & skf21("1","1","7","5","4","3","5","1") = "6"
    & skf21("1","1","7","5","4","3","6","1") = "6"
    & skf21("1","1","7","5","4","3","7","1") = "6"
    & skf21("1","1","7","5","4","4","1","1") = "6"
    & skf21("1","1","7","5","4","4","2","1") = "6"
    & skf21("1","1","7","5","4","4","3","1") = "6"
    & skf21("1","1","7","5","4","4","4","1") = "6"
    & skf21("1","1","7","5","4","4","5","1") = "6"
    & skf21("1","1","7","5","4","4","6","1") = "6"
    & skf21("1","1","7","5","4","4","7","1") = "6"
    & skf21("1","1","7","5","4","5","1","1") = "6"
    & skf21("1","1","7","5","4","5","2","1") = "6"
    & skf21("1","1","7","5","4","5","3","1") = "6"
    & skf21("1","1","7","5","4","5","4","1") = "6"
    & skf21("1","1","7","5","4","5","5","1") = "6"
    & skf21("1","1","7","5","4","5","6","1") = "6"
    & skf21("1","1","7","5","4","5","7","1") = "6"
    & skf21("1","1","7","5","4","6","1","1") = "6"
    & skf21("1","1","7","5","4","6","2","1") = "6"
    & skf21("1","1","7","5","4","6","3","1") = "6"
    & skf21("1","1","7","5","4","6","4","1") = "6"
    & skf21("1","1","7","5","4","6","5","1") = "6"
    & skf21("1","1","7","5","4","6","6","1") = "6"
    & skf21("1","1","7","5","4","6","7","1") = "6"
    & skf21("1","1","7","5","4","7","1","1") = "6"
    & skf21("1","1","7","5","4","7","2","1") = "6"
    & skf21("1","1","7","5","4","7","3","1") = "6"
    & skf21("1","1","7","5","4","7","4","1") = "6"
    & skf21("1","1","7","5","4","7","5","1") = "6"
    & skf21("1","1","7","5","4","7","6","1") = "6"
    & skf21("1","1","7","5","4","7","7","1") = "6"
    & skf21("1","1","7","5","5","1","1","1") = "6"
    & skf21("1","1","7","5","5","1","2","1") = "6"
    & skf21("1","1","7","5","5","1","3","1") = "6"
    & skf21("1","1","7","5","5","1","4","1") = "6"
    & skf21("1","1","7","5","5","1","5","1") = "6"
    & skf21("1","1","7","5","5","1","6","1") = "6"
    & skf21("1","1","7","5","5","1","7","1") = "6"
    & skf21("1","1","7","5","5","2","1","1") = "6"
    & skf21("1","1","7","5","5","2","2","1") = "6"
    & skf21("1","1","7","5","5","2","3","1") = "6"
    & skf21("1","1","7","5","5","2","4","1") = "6"
    & skf21("1","1","7","5","5","2","5","1") = "6"
    & skf21("1","1","7","5","5","2","6","1") = "6"
    & skf21("1","1","7","5","5","2","7","1") = "6"
    & skf21("1","1","7","5","5","3","1","1") = "6"
    & skf21("1","1","7","5","5","3","2","1") = "6"
    & skf21("1","1","7","5","5","3","3","1") = "6"
    & skf21("1","1","7","5","5","3","4","1") = "6"
    & skf21("1","1","7","5","5","3","5","1") = "6"
    & skf21("1","1","7","5","5","3","6","1") = "6"
    & skf21("1","1","7","5","5","3","7","1") = "6"
    & skf21("1","1","7","5","5","4","1","1") = "6"
    & skf21("1","1","7","5","5","4","2","1") = "6"
    & skf21("1","1","7","5","5","4","3","1") = "6"
    & skf21("1","1","7","5","5","4","4","1") = "6"
    & skf21("1","1","7","5","5","4","5","1") = "6"
    & skf21("1","1","7","5","5","4","6","1") = "6"
    & skf21("1","1","7","5","5","4","7","1") = "6"
    & skf21("1","1","7","5","5","5","1","1") = "6"
    & skf21("1","1","7","5","5","5","2","1") = "6"
    & skf21("1","1","7","5","5","5","3","1") = "6"
    & skf21("1","1","7","5","5","5","4","1") = "6"
    & skf21("1","1","7","5","5","5","5","1") = "6"
    & skf21("1","1","7","5","5","5","6","1") = "6"
    & skf21("1","1","7","5","5","5","7","1") = "6"
    & skf21("1","1","7","5","5","6","1","1") = "6"
    & skf21("1","1","7","5","5","6","2","1") = "6"
    & skf21("1","1","7","5","5","6","3","1") = "6"
    & skf21("1","1","7","5","5","6","4","1") = "6"
    & skf21("1","1","7","5","5","6","5","1") = "6"
    & skf21("1","1","7","5","5","6","6","1") = "6"
    & skf21("1","1","7","5","5","6","7","1") = "6"
    & skf21("1","1","7","5","5","7","1","1") = "6"
    & skf21("1","1","7","5","5","7","2","1") = "6"
    & skf21("1","1","7","5","5","7","3","1") = "6"
    & skf21("1","1","7","5","5","7","4","1") = "6"
    & skf21("1","1","7","5","5","7","5","1") = "6"
    & skf21("1","1","7","5","5","7","6","1") = "6"
    & skf21("1","1","7","5","5","7","7","1") = "6"
    & skf21("1","1","7","5","6","1","1","1") = "6"
    & skf21("1","1","7","5","6","1","2","1") = "6"
    & skf21("1","1","7","5","6","1","3","1") = "6"
    & skf21("1","1","7","5","6","1","4","1") = "6"
    & skf21("1","1","7","5","6","1","5","1") = "6"
    & skf21("1","1","7","5","6","1","6","1") = "6"
    & skf21("1","1","7","5","6","1","7","1") = "6"
    & skf21("1","1","7","5","6","2","1","1") = "6"
    & skf21("1","1","7","5","6","2","2","1") = "6"
    & skf21("1","1","7","5","6","2","3","1") = "6"
    & skf21("1","1","7","5","6","2","4","1") = "6"
    & skf21("1","1","7","5","6","2","5","1") = "6"
    & skf21("1","1","7","5","6","2","6","1") = "6"
    & skf21("1","1","7","5","6","2","7","1") = "6"
    & skf21("1","1","7","5","6","3","1","1") = "6"
    & skf21("1","1","7","5","6","3","2","1") = "6"
    & skf21("1","1","7","5","6","3","3","1") = "6"
    & skf21("1","1","7","5","6","3","4","1") = "6"
    & skf21("1","1","7","5","6","3","5","1") = "6"
    & skf21("1","1","7","5","6","3","6","1") = "6"
    & skf21("1","1","7","5","6","3","7","1") = "6"
    & skf21("1","1","7","5","6","4","1","1") = "6"
    & skf21("1","1","7","5","6","4","2","1") = "6"
    & skf21("1","1","7","5","6","4","3","1") = "6"
    & skf21("1","1","7","5","6","4","4","1") = "6"
    & skf21("1","1","7","5","6","4","5","1") = "6"
    & skf21("1","1","7","5","6","4","6","1") = "6"
    & skf21("1","1","7","5","6","4","7","1") = "6"
    & skf21("1","1","7","5","6","5","1","1") = "6"
    & skf21("1","1","7","5","6","5","2","1") = "6"
    & skf21("1","1","7","5","6","5","3","1") = "6"
    & skf21("1","1","7","5","6","5","4","1") = "6"
    & skf21("1","1","7","5","6","5","5","1") = "6"
    & skf21("1","1","7","5","6","5","6","1") = "6"
    & skf21("1","1","7","5","6","5","7","1") = "6"
    & skf21("1","1","7","5","6","6","1","1") = "6"
    & skf21("1","1","7","5","6","6","2","1") = "6"
    & skf21("1","1","7","5","6","6","3","1") = "6"
    & skf21("1","1","7","5","6","6","4","1") = "6"
    & skf21("1","1","7","5","6","6","5","1") = "6"
    & skf21("1","1","7","5","6","6","6","1") = "6"
    & skf21("1","1","7","5","6","6","7","1") = "6"
    & skf21("1","1","7","5","6","7","1","1") = "6"
    & skf21("1","1","7","5","6","7","2","1") = "6"
    & skf21("1","1","7","5","6","7","3","1") = "6"
    & skf21("1","1","7","5","6","7","4","1") = "6"
    & skf21("1","1","7","5","6","7","5","1") = "6"
    & skf21("1","1","7","5","6","7","6","1") = "6"
    & skf21("1","1","7","5","6","7","7","1") = "6"
    & skf21("1","1","7","5","7","1","1","1") = "6"
    & skf21("1","1","7","5","7","1","2","1") = "6"
    & skf21("1","1","7","5","7","1","3","1") = "6"
    & skf21("1","1","7","5","7","1","4","1") = "6"
    & skf21("1","1","7","5","7","1","5","1") = "6"
    & skf21("1","1","7","5","7","1","6","1") = "6"
    & skf21("1","1","7","5","7","1","7","1") = "6"
    & skf21("1","1","7","5","7","2","1","1") = "6"
    & skf21("1","1","7","5","7","2","2","1") = "6"
    & skf21("1","1","7","5","7","2","3","1") = "6"
    & skf21("1","1","7","5","7","2","4","1") = "6"
    & skf21("1","1","7","5","7","2","5","1") = "6"
    & skf21("1","1","7","5","7","2","6","1") = "6"
    & skf21("1","1","7","5","7","2","7","1") = "6"
    & skf21("1","1","7","5","7","3","1","1") = "6"
    & skf21("1","1","7","5","7","3","2","1") = "6"
    & skf21("1","1","7","5","7","3","3","1") = "6"
    & skf21("1","1","7","5","7","3","4","1") = "6"
    & skf21("1","1","7","5","7","3","5","1") = "6"
    & skf21("1","1","7","5","7","3","6","1") = "6"
    & skf21("1","1","7","5","7","3","7","1") = "6"
    & skf21("1","1","7","5","7","4","1","1") = "6"
    & skf21("1","1","7","5","7","4","2","1") = "6"
    & skf21("1","1","7","5","7","4","3","1") = "6"
    & skf21("1","1","7","5","7","4","4","1") = "6"
    & skf21("1","1","7","5","7","4","5","1") = "6"
    & skf21("1","1","7","5","7","4","6","1") = "6"
    & skf21("1","1","7","5","7","4","7","1") = "6"
    & skf21("1","1","7","5","7","5","1","1") = "6"
    & skf21("1","1","7","5","7","5","2","1") = "6"
    & skf21("1","1","7","5","7","5","3","1") = "6"
    & skf21("1","1","7","5","7","5","4","1") = "6"
    & skf21("1","1","7","5","7","5","5","1") = "6"
    & skf21("1","1","7","5","7","5","6","1") = "6"
    & skf21("1","1","7","5","7","5","7","1") = "6"
    & skf21("1","1","7","5","7","6","1","1") = "6"
    & skf21("1","1","7","5","7","6","2","1") = "6"
    & skf21("1","1","7","5","7","6","3","1") = "6"
    & skf21("1","1","7","5","7","6","4","1") = "6"
    & skf21("1","1","7","5","7","6","5","1") = "6"
    & skf21("1","1","7","5","7","6","6","1") = "6"
    & skf21("1","1","7","5","7","6","7","1") = "6"
    & skf21("1","1","7","5","7","7","1","1") = "6"
    & skf21("1","1","7","5","7","7","2","1") = "6"
    & skf21("1","1","7","5","7","7","3","1") = "6"
    & skf21("1","1","7","5","7","7","4","1") = "6"
    & skf21("1","1","7","5","7","7","5","1") = "6"
    & skf21("1","1","7","5","7","7","6","1") = "6"
    & skf21("1","1","7","5","7","7","7","1") = "6"
    & skf21("1","1","7","6","1","1","1","1") = "6"
    & skf21("1","1","7","6","1","1","2","1") = "6"
    & skf21("1","1","7","6","1","1","3","1") = "6"
    & skf21("1","1","7","6","1","1","4","1") = "6"
    & skf21("1","1","7","6","1","1","5","1") = "6"
    & skf21("1","1","7","6","1","1","6","1") = "6"
    & skf21("1","1","7","6","1","1","7","1") = "6"
    & skf21("1","1","7","6","1","2","1","1") = "6"
    & skf21("1","1","7","6","1","2","2","1") = "6"
    & skf21("1","1","7","6","1","2","3","1") = "6"
    & skf21("1","1","7","6","1","2","4","1") = "6"
    & skf21("1","1","7","6","1","2","5","1") = "6"
    & skf21("1","1","7","6","1","2","6","1") = "6"
    & skf21("1","1","7","6","1","2","7","1") = "6"
    & skf21("1","1","7","6","1","3","1","1") = "6"
    & skf21("1","1","7","6","1","3","2","1") = "6"
    & skf21("1","1","7","6","1","3","3","1") = "6"
    & skf21("1","1","7","6","1","3","4","1") = "6"
    & skf21("1","1","7","6","1","3","5","1") = "6"
    & skf21("1","1","7","6","1","3","6","1") = "6"
    & skf21("1","1","7","6","1","3","7","1") = "6"
    & skf21("1","1","7","6","1","4","1","1") = "6"
    & skf21("1","1","7","6","1","4","2","1") = "6"
    & skf21("1","1","7","6","1","4","3","1") = "6"
    & skf21("1","1","7","6","1","4","4","1") = "6"
    & skf21("1","1","7","6","1","4","5","1") = "6"
    & skf21("1","1","7","6","1","4","6","1") = "6"
    & skf21("1","1","7","6","1","4","7","1") = "6"
    & skf21("1","1","7","6","1","5","1","1") = "6"
    & skf21("1","1","7","6","1","5","2","1") = "6"
    & skf21("1","1","7","6","1","5","3","1") = "6"
    & skf21("1","1","7","6","1","5","4","1") = "6"
    & skf21("1","1","7","6","1","5","5","1") = "6"
    & skf21("1","1","7","6","1","5","6","1") = "6"
    & skf21("1","1","7","6","1","5","7","1") = "6"
    & skf21("1","1","7","6","1","6","1","1") = "6"
    & skf21("1","1","7","6","1","6","2","1") = "6"
    & skf21("1","1","7","6","1","6","3","1") = "6"
    & skf21("1","1","7","6","1","6","4","1") = "6"
    & skf21("1","1","7","6","1","6","5","1") = "6"
    & skf21("1","1","7","6","1","6","6","1") = "6"
    & skf21("1","1","7","6","1","6","7","1") = "6"
    & skf21("1","1","7","6","1","7","1","1") = "6"
    & skf21("1","1","7","6","1","7","2","1") = "6"
    & skf21("1","1","7","6","1","7","3","1") = "6"
    & skf21("1","1","7","6","1","7","4","1") = "6"
    & skf21("1","1","7","6","1","7","5","1") = "6"
    & skf21("1","1","7","6","1","7","6","1") = "6"
    & skf21("1","1","7","6","1","7","7","1") = "6"
    & skf21("1","1","7","6","2","1","1","1") = "6"
    & skf21("1","1","7","6","2","1","2","1") = "6"
    & skf21("1","1","7","6","2","1","3","1") = "6"
    & skf21("1","1","7","6","2","1","4","1") = "6"
    & skf21("1","1","7","6","2","1","5","1") = "6"
    & skf21("1","1","7","6","2","1","6","1") = "6"
    & skf21("1","1","7","6","2","1","7","1") = "6"
    & skf21("1","1","7","6","2","2","1","1") = "6"
    & skf21("1","1","7","6","2","2","2","1") = "6"
    & skf21("1","1","7","6","2","2","3","1") = "6"
    & skf21("1","1","7","6","2","2","4","1") = "6"
    & skf21("1","1","7","6","2","2","5","1") = "6"
    & skf21("1","1","7","6","2","2","6","1") = "6"
    & skf21("1","1","7","6","2","2","7","1") = "6"
    & skf21("1","1","7","6","2","3","1","1") = "6"
    & skf21("1","1","7","6","2","3","2","1") = "6"
    & skf21("1","1","7","6","2","3","3","1") = "6"
    & skf21("1","1","7","6","2","3","4","1") = "6"
    & skf21("1","1","7","6","2","3","5","1") = "6"
    & skf21("1","1","7","6","2","3","6","1") = "6"
    & skf21("1","1","7","6","2","3","7","1") = "6"
    & skf21("1","1","7","6","2","4","1","1") = "6"
    & skf21("1","1","7","6","2","4","2","1") = "6"
    & skf21("1","1","7","6","2","4","3","1") = "6"
    & skf21("1","1","7","6","2","4","4","1") = "6"
    & skf21("1","1","7","6","2","4","5","1") = "6"
    & skf21("1","1","7","6","2","4","6","1") = "6"
    & skf21("1","1","7","6","2","4","7","1") = "6"
    & skf21("1","1","7","6","2","5","1","1") = "6"
    & skf21("1","1","7","6","2","5","2","1") = "6"
    & skf21("1","1","7","6","2","5","3","1") = "6"
    & skf21("1","1","7","6","2","5","4","1") = "6"
    & skf21("1","1","7","6","2","5","5","1") = "6"
    & skf21("1","1","7","6","2","5","6","1") = "6"
    & skf21("1","1","7","6","2","5","7","1") = "6"
    & skf21("1","1","7","6","2","6","1","1") = "6"
    & skf21("1","1","7","6","2","6","2","1") = "6"
    & skf21("1","1","7","6","2","6","3","1") = "6"
    & skf21("1","1","7","6","2","6","4","1") = "6"
    & skf21("1","1","7","6","2","6","5","1") = "6"
    & skf21("1","1","7","6","2","6","6","1") = "6"
    & skf21("1","1","7","6","2","6","7","1") = "6"
    & skf21("1","1","7","6","2","7","1","1") = "6"
    & skf21("1","1","7","6","2","7","2","1") = "6"
    & skf21("1","1","7","6","2","7","3","1") = "6"
    & skf21("1","1","7","6","2","7","4","1") = "6"
    & skf21("1","1","7","6","2","7","5","1") = "6"
    & skf21("1","1","7","6","2","7","6","1") = "6"
    & skf21("1","1","7","6","2","7","7","1") = "6"
    & skf21("1","1","7","6","3","1","1","1") = "6"
    & skf21("1","1","7","6","3","1","2","1") = "6"
    & skf21("1","1","7","6","3","1","3","1") = "6"
    & skf21("1","1","7","6","3","1","4","1") = "6"
    & skf21("1","1","7","6","3","1","5","1") = "6"
    & skf21("1","1","7","6","3","1","6","1") = "6"
    & skf21("1","1","7","6","3","1","7","1") = "6"
    & skf21("1","1","7","6","3","2","1","1") = "6"
    & skf21("1","1","7","6","3","2","2","1") = "6"
    & skf21("1","1","7","6","3","2","3","1") = "6"
    & skf21("1","1","7","6","3","2","4","1") = "6"
    & skf21("1","1","7","6","3","2","5","1") = "6"
    & skf21("1","1","7","6","3","2","6","1") = "6"
    & skf21("1","1","7","6","3","2","7","1") = "6"
    & skf21("1","1","7","6","3","3","1","1") = "6"
    & skf21("1","1","7","6","3","3","2","1") = "6"
    & skf21("1","1","7","6","3","3","3","1") = "6"
    & skf21("1","1","7","6","3","3","4","1") = "6"
    & skf21("1","1","7","6","3","3","5","1") = "6"
    & skf21("1","1","7","6","3","3","6","1") = "6"
    & skf21("1","1","7","6","3","3","7","1") = "6"
    & skf21("1","1","7","6","3","4","1","1") = "6"
    & skf21("1","1","7","6","3","4","2","1") = "6"
    & skf21("1","1","7","6","3","4","3","1") = "6"
    & skf21("1","1","7","6","3","4","4","1") = "6"
    & skf21("1","1","7","6","3","4","5","1") = "6"
    & skf21("1","1","7","6","3","4","6","1") = "6"
    & skf21("1","1","7","6","3","4","7","1") = "6"
    & skf21("1","1","7","6","3","5","1","1") = "6"
    & skf21("1","1","7","6","3","5","2","1") = "6"
    & skf21("1","1","7","6","3","5","3","1") = "6"
    & skf21("1","1","7","6","3","5","4","1") = "6"
    & skf21("1","1","7","6","3","5","5","1") = "6"
    & skf21("1","1","7","6","3","5","6","1") = "6"
    & skf21("1","1","7","6","3","5","7","1") = "6"
    & skf21("1","1","7","6","3","6","1","1") = "6"
    & skf21("1","1","7","6","3","6","2","1") = "6"
    & skf21("1","1","7","6","3","6","3","1") = "6"
    & skf21("1","1","7","6","3","6","4","1") = "6"
    & skf21("1","1","7","6","3","6","5","1") = "6"
    & skf21("1","1","7","6","3","6","6","1") = "6"
    & skf21("1","1","7","6","3","6","7","1") = "6"
    & skf21("1","1","7","6","3","7","1","1") = "6"
    & skf21("1","1","7","6","3","7","2","1") = "6"
    & skf21("1","1","7","6","3","7","3","1") = "6"
    & skf21("1","1","7","6","3","7","4","1") = "6"
    & skf21("1","1","7","6","3","7","5","1") = "6"
    & skf21("1","1","7","6","3","7","6","1") = "6"
    & skf21("1","1","7","6","3","7","7","1") = "6"
    & skf21("1","1","7","6","4","1","1","1") = "6"
    & skf21("1","1","7","6","4","1","2","1") = "6"
    & skf21("1","1","7","6","4","1","3","1") = "6"
    & skf21("1","1","7","6","4","1","4","1") = "6"
    & skf21("1","1","7","6","4","1","5","1") = "6"
    & skf21("1","1","7","6","4","1","6","1") = "6"
    & skf21("1","1","7","6","4","1","7","1") = "6"
    & skf21("1","1","7","6","4","2","1","1") = "6"
    & skf21("1","1","7","6","4","2","2","1") = "6"
    & skf21("1","1","7","6","4","2","3","1") = "6"
    & skf21("1","1","7","6","4","2","4","1") = "6"
    & skf21("1","1","7","6","4","2","5","1") = "6"
    & skf21("1","1","7","6","4","2","6","1") = "6"
    & skf21("1","1","7","6","4","2","7","1") = "6"
    & skf21("1","1","7","6","4","3","1","1") = "6"
    & skf21("1","1","7","6","4","3","2","1") = "6"
    & skf21("1","1","7","6","4","3","3","1") = "6"
    & skf21("1","1","7","6","4","3","4","1") = "6"
    & skf21("1","1","7","6","4","3","5","1") = "6"
    & skf21("1","1","7","6","4","3","6","1") = "6"
    & skf21("1","1","7","6","4","3","7","1") = "6"
    & skf21("1","1","7","6","4","4","1","1") = "6"
    & skf21("1","1","7","6","4","4","2","1") = "6"
    & skf21("1","1","7","6","4","4","3","1") = "6"
    & skf21("1","1","7","6","4","4","4","1") = "6"
    & skf21("1","1","7","6","4","4","5","1") = "6"
    & skf21("1","1","7","6","4","4","6","1") = "6"
    & skf21("1","1","7","6","4","4","7","1") = "6"
    & skf21("1","1","7","6","4","5","1","1") = "6"
    & skf21("1","1","7","6","4","5","2","1") = "6"
    & skf21("1","1","7","6","4","5","3","1") = "6"
    & skf21("1","1","7","6","4","5","4","1") = "6"
    & skf21("1","1","7","6","4","5","5","1") = "6"
    & skf21("1","1","7","6","4","5","6","1") = "6"
    & skf21("1","1","7","6","4","5","7","1") = "6"
    & skf21("1","1","7","6","4","6","1","1") = "6"
    & skf21("1","1","7","6","4","6","2","1") = "6"
    & skf21("1","1","7","6","4","6","3","1") = "6"
    & skf21("1","1","7","6","4","6","4","1") = "6"
    & skf21("1","1","7","6","4","6","5","1") = "6"
    & skf21("1","1","7","6","4","6","6","1") = "6"
    & skf21("1","1","7","6","4","6","7","1") = "6"
    & skf21("1","1","7","6","4","7","1","1") = "6"
    & skf21("1","1","7","6","4","7","2","1") = "6"
    & skf21("1","1","7","6","4","7","3","1") = "6"
    & skf21("1","1","7","6","4","7","4","1") = "6"
    & skf21("1","1","7","6","4","7","5","1") = "6"
    & skf21("1","1","7","6","4","7","6","1") = "6"
    & skf21("1","1","7","6","4","7","7","1") = "6"
    & skf21("1","1","7","6","5","1","1","1") = "6"
    & skf21("1","1","7","6","5","1","2","1") = "6"
    & skf21("1","1","7","6","5","1","3","1") = "6"
    & skf21("1","1","7","6","5","1","4","1") = "6"
    & skf21("1","1","7","6","5","1","5","1") = "6"
    & skf21("1","1","7","6","5","1","6","1") = "6"
    & skf21("1","1","7","6","5","1","7","1") = "6"
    & skf21("1","1","7","6","5","2","1","1") = "6"
    & skf21("1","1","7","6","5","2","2","1") = "6"
    & skf21("1","1","7","6","5","2","3","1") = "6"
    & skf21("1","1","7","6","5","2","4","1") = "6"
    & skf21("1","1","7","6","5","2","5","1") = "6"
    & skf21("1","1","7","6","5","2","6","1") = "6"
    & skf21("1","1","7","6","5","2","7","1") = "6"
    & skf21("1","1","7","6","5","3","1","1") = "6"
    & skf21("1","1","7","6","5","3","2","1") = "6"
    & skf21("1","1","7","6","5","3","3","1") = "6"
    & skf21("1","1","7","6","5","3","4","1") = "6"
    & skf21("1","1","7","6","5","3","5","1") = "6"
    & skf21("1","1","7","6","5","3","6","1") = "6"
    & skf21("1","1","7","6","5","3","7","1") = "6"
    & skf21("1","1","7","6","5","4","1","1") = "6"
    & skf21("1","1","7","6","5","4","2","1") = "6"
    & skf21("1","1","7","6","5","4","3","1") = "6"
    & skf21("1","1","7","6","5","4","4","1") = "6"
    & skf21("1","1","7","6","5","4","5","1") = "6"
    & skf21("1","1","7","6","5","4","6","1") = "6"
    & skf21("1","1","7","6","5","4","7","1") = "6"
    & skf21("1","1","7","6","5","5","1","1") = "6"
    & skf21("1","1","7","6","5","5","2","1") = "6"
    & skf21("1","1","7","6","5","5","3","1") = "6"
    & skf21("1","1","7","6","5","5","4","1") = "6"
    & skf21("1","1","7","6","5","5","5","1") = "6"
    & skf21("1","1","7","6","5","5","6","1") = "6"
    & skf21("1","1","7","6","5","5","7","1") = "6"
    & skf21("1","1","7","6","5","6","1","1") = "6"
    & skf21("1","1","7","6","5","6","2","1") = "6"
    & skf21("1","1","7","6","5","6","3","1") = "6"
    & skf21("1","1","7","6","5","6","4","1") = "6"
    & skf21("1","1","7","6","5","6","5","1") = "6"
    & skf21("1","1","7","6","5","6","6","1") = "6"
    & skf21("1","1","7","6","5","6","7","1") = "6"
    & skf21("1","1","7","6","5","7","1","1") = "6"
    & skf21("1","1","7","6","5","7","2","1") = "6"
    & skf21("1","1","7","6","5","7","3","1") = "6"
    & skf21("1","1","7","6","5","7","4","1") = "6"
    & skf21("1","1","7","6","5","7","5","1") = "6"
    & skf21("1","1","7","6","5","7","6","1") = "6"
    & skf21("1","1","7","6","5","7","7","1") = "6"
    & skf21("1","1","7","6","6","1","1","1") = "6"
    & skf21("1","1","7","6","6","1","2","1") = "6"
    & skf21("1","1","7","6","6","1","3","1") = "6"
    & skf21("1","1","7","6","6","1","4","1") = "6"
    & skf21("1","1","7","6","6","1","5","1") = "6"
    & skf21("1","1","7","6","6","1","6","1") = "6"
    & skf21("1","1","7","6","6","1","7","1") = "6"
    & skf21("1","1","7","6","6","2","1","1") = "6"
    & skf21("1","1","7","6","6","2","2","1") = "6"
    & skf21("1","1","7","6","6","2","3","1") = "6"
    & skf21("1","1","7","6","6","2","4","1") = "6"
    & skf21("1","1","7","6","6","2","5","1") = "6"
    & skf21("1","1","7","6","6","2","6","1") = "6"
    & skf21("1","1","7","6","6","2","7","1") = "6"
    & skf21("1","1","7","6","6","3","1","1") = "6"
    & skf21("1","1","7","6","6","3","2","1") = "6"
    & skf21("1","1","7","6","6","3","3","1") = "6"
    & skf21("1","1","7","6","6","3","4","1") = "6"
    & skf21("1","1","7","6","6","3","5","1") = "6"
    & skf21("1","1","7","6","6","3","6","1") = "6"
    & skf21("1","1","7","6","6","3","7","1") = "6"
    & skf21("1","1","7","6","6","4","1","1") = "6"
    & skf21("1","1","7","6","6","4","2","1") = "6"
    & skf21("1","1","7","6","6","4","3","1") = "6"
    & skf21("1","1","7","6","6","4","4","1") = "6"
    & skf21("1","1","7","6","6","4","5","1") = "6"
    & skf21("1","1","7","6","6","4","6","1") = "6"
    & skf21("1","1","7","6","6","4","7","1") = "6"
    & skf21("1","1","7","6","6","5","1","1") = "6"
    & skf21("1","1","7","6","6","5","2","1") = "6"
    & skf21("1","1","7","6","6","5","3","1") = "6"
    & skf21("1","1","7","6","6","5","4","1") = "6"
    & skf21("1","1","7","6","6","5","5","1") = "6"
    & skf21("1","1","7","6","6","5","6","1") = "6"
    & skf21("1","1","7","6","6","5","7","1") = "6"
    & skf21("1","1","7","6","6","6","1","1") = "6"
    & skf21("1","1","7","6","6","6","2","1") = "6"
    & skf21("1","1","7","6","6","6","3","1") = "6"
    & skf21("1","1","7","6","6","6","4","1") = "6"
    & skf21("1","1","7","6","6","6","5","1") = "6"
    & skf21("1","1","7","6","6","6","6","1") = "6"
    & skf21("1","1","7","6","6","6","7","1") = "6"
    & skf21("1","1","7","6","6","7","1","1") = "6"
    & skf21("1","1","7","6","6","7","2","1") = "6"
    & skf21("1","1","7","6","6","7","3","1") = "6"
    & skf21("1","1","7","6","6","7","4","1") = "6"
    & skf21("1","1","7","6","6","7","5","1") = "6"
    & skf21("1","1","7","6","6","7","6","1") = "6"
    & skf21("1","1","7","6","6","7","7","1") = "6"
    & skf21("1","1","7","6","7","1","1","1") = "6"
    & skf21("1","1","7","6","7","1","2","1") = "6"
    & skf21("1","1","7","6","7","1","3","1") = "6"
    & skf21("1","1","7","6","7","1","4","1") = "6"
    & skf21("1","1","7","6","7","1","5","1") = "6"
    & skf21("1","1","7","6","7","1","6","1") = "6"
    & skf21("1","1","7","6","7","1","7","1") = "6"
    & skf21("1","1","7","6","7","2","1","1") = "6"
    & skf21("1","1","7","6","7","2","2","1") = "6"
    & skf21("1","1","7","6","7","2","3","1") = "6"
    & skf21("1","1","7","6","7","2","4","1") = "6"
    & skf21("1","1","7","6","7","2","5","1") = "6"
    & skf21("1","1","7","6","7","2","6","1") = "6"
    & skf21("1","1","7","6","7","2","7","1") = "6"
    & skf21("1","1","7","6","7","3","1","1") = "6"
    & skf21("1","1","7","6","7","3","2","1") = "6"
    & skf21("1","1","7","6","7","3","3","1") = "6"
    & skf21("1","1","7","6","7","3","4","1") = "6"
    & skf21("1","1","7","6","7","3","5","1") = "6"
    & skf21("1","1","7","6","7","3","6","1") = "6"
    & skf21("1","1","7","6","7","3","7","1") = "6"
    & skf21("1","1","7","6","7","4","1","1") = "6"
    & skf21("1","1","7","6","7","4","2","1") = "6"
    & skf21("1","1","7","6","7","4","3","1") = "6"
    & skf21("1","1","7","6","7","4","4","1") = "6"
    & skf21("1","1","7","6","7","4","5","1") = "6"
    & skf21("1","1","7","6","7","4","6","1") = "6"
    & skf21("1","1","7","6","7","4","7","1") = "6"
    & skf21("1","1","7","6","7","5","1","1") = "6"
    & skf21("1","1","7","6","7","5","2","1") = "6"
    & skf21("1","1","7","6","7","5","3","1") = "6"
    & skf21("1","1","7","6","7","5","4","1") = "6"
    & skf21("1","1","7","6","7","5","5","1") = "6"
    & skf21("1","1","7","6","7","5","6","1") = "6"
    & skf21("1","1","7","6","7","5","7","1") = "6"
    & skf21("1","1","7","6","7","6","1","1") = "6"
    & skf21("1","1","7","6","7","6","2","1") = "6"
    & skf21("1","1","7","6","7","6","3","1") = "6"
    & skf21("1","1","7","6","7","6","4","1") = "6"
    & skf21("1","1","7","6","7","6","5","1") = "6"
    & skf21("1","1","7","6","7","6","6","1") = "6"
    & skf21("1","1","7","6","7","6","7","1") = "6"
    & skf21("1","1","7","6","7","7","1","1") = "6"
    & skf21("1","1","7","6","7","7","2","1") = "6"
    & skf21("1","1","7","6","7","7","3","1") = "6"
    & skf21("1","1","7","6","7","7","4","1") = "6"
    & skf21("1","1","7","6","7","7","5","1") = "6"
    & skf21("1","1","7","6","7","7","6","1") = "6"
    & skf21("1","1","7","6","7","7","7","1") = "6"
    & skf21("1","1","7","7","1","1","1","1") = "6"
    & skf21("1","1","7","7","1","1","2","1") = "6"
    & skf21("1","1","7","7","1","1","3","1") = "6"
    & skf21("1","1","7","7","1","1","4","1") = "6"
    & skf21("1","1","7","7","1","1","5","1") = "6"
    & skf21("1","1","7","7","1","1","6","1") = "6"
    & skf21("1","1","7","7","1","1","7","1") = "6"
    & skf21("1","1","7","7","1","2","1","1") = "6"
    & skf21("1","1","7","7","1","2","2","1") = "6"
    & skf21("1","1","7","7","1","2","3","1") = "6"
    & skf21("1","1","7","7","1","2","4","1") = "6"
    & skf21("1","1","7","7","1","2","5","1") = "6"
    & skf21("1","1","7","7","1","2","6","1") = "6"
    & skf21("1","1","7","7","1","2","7","1") = "6"
    & skf21("1","1","7","7","1","3","1","1") = "6"
    & skf21("1","1","7","7","1","3","2","1") = "6"
    & skf21("1","1","7","7","1","3","3","1") = "6"
    & skf21("1","1","7","7","1","3","4","1") = "6"
    & skf21("1","1","7","7","1","3","5","1") = "6"
    & skf21("1","1","7","7","1","3","6","1") = "6"
    & skf21("1","1","7","7","1","3","7","1") = "6"
    & skf21("1","1","7","7","1","4","1","1") = "6"
    & skf21("1","1","7","7","1","4","2","1") = "6"
    & skf21("1","1","7","7","1","4","3","1") = "6"
    & skf21("1","1","7","7","1","4","4","1") = "6"
    & skf21("1","1","7","7","1","4","5","1") = "6"
    & skf21("1","1","7","7","1","4","6","1") = "6"
    & skf21("1","1","7","7","1","4","7","1") = "6"
    & skf21("1","1","7","7","1","5","1","1") = "6"
    & skf21("1","1","7","7","1","5","2","1") = "6"
    & skf21("1","1","7","7","1","5","3","1") = "6"
    & skf21("1","1","7","7","1","5","4","1") = "6"
    & skf21("1","1","7","7","1","5","5","1") = "6"
    & skf21("1","1","7","7","1","5","6","1") = "6"
    & skf21("1","1","7","7","1","5","7","1") = "6"
    & skf21("1","1","7","7","1","6","1","1") = "6"
    & skf21("1","1","7","7","1","6","2","1") = "6"
    & skf21("1","1","7","7","1","6","3","1") = "6"
    & skf21("1","1","7","7","1","6","4","1") = "6"
    & skf21("1","1","7","7","1","6","5","1") = "6"
    & skf21("1","1","7","7","1","6","6","1") = "6"
    & skf21("1","1","7","7","1","6","7","1") = "6"
    & skf21("1","1","7","7","1","7","1","1") = "6"
    & skf21("1","1","7","7","1","7","2","1") = "6"
    & skf21("1","1","7","7","1","7","3","1") = "6"
    & skf21("1","1","7","7","1","7","4","1") = "6"
    & skf21("1","1","7","7","1","7","5","1") = "6"
    & skf21("1","1","7","7","1","7","6","1") = "6"
    & skf21("1","1","7","7","1","7","7","1") = "6"
    & skf21("1","1","7","7","2","1","1","1") = "6"
    & skf21("1","1","7","7","2","1","2","1") = "6"
    & skf21("1","1","7","7","2","1","3","1") = "6"
    & skf21("1","1","7","7","2","1","4","1") = "6"
    & skf21("1","1","7","7","2","1","5","1") = "6"
    & skf21("1","1","7","7","2","1","6","1") = "6"
    & skf21("1","1","7","7","2","1","7","1") = "6"
    & skf21("1","1","7","7","2","2","1","1") = "6"
    & skf21("1","1","7","7","2","2","2","1") = "6"
    & skf21("1","1","7","7","2","2","3","1") = "6"
    & skf21("1","1","7","7","2","2","4","1") = "6"
    & skf21("1","1","7","7","2","2","5","1") = "6"
    & skf21("1","1","7","7","2","2","6","1") = "6"
    & skf21("1","1","7","7","2","2","7","1") = "6"
    & skf21("1","1","7","7","2","3","1","1") = "6"
    & skf21("1","1","7","7","2","3","2","1") = "6"
    & skf21("1","1","7","7","2","3","3","1") = "6"
    & skf21("1","1","7","7","2","3","4","1") = "6"
    & skf21("1","1","7","7","2","3","5","1") = "6"
    & skf21("1","1","7","7","2","3","6","1") = "6"
    & skf21("1","1","7","7","2","3","7","1") = "6"
    & skf21("1","1","7","7","2","4","1","1") = "6"
    & skf21("1","1","7","7","2","4","2","1") = "6"
    & skf21("1","1","7","7","2","4","3","1") = "6"
    & skf21("1","1","7","7","2","4","4","1") = "6"
    & skf21("1","1","7","7","2","4","5","1") = "6"
    & skf21("1","1","7","7","2","4","6","1") = "6"
    & skf21("1","1","7","7","2","4","7","1") = "6"
    & skf21("1","1","7","7","2","5","1","1") = "6"
    & skf21("1","1","7","7","2","5","2","1") = "6"
    & skf21("1","1","7","7","2","5","3","1") = "6"
    & skf21("1","1","7","7","2","5","4","1") = "6"
    & skf21("1","1","7","7","2","5","5","1") = "6"
    & skf21("1","1","7","7","2","5","6","1") = "6"
    & skf21("1","1","7","7","2","5","7","1") = "6"
    & skf21("1","1","7","7","2","6","1","1") = "6"
    & skf21("1","1","7","7","2","6","2","1") = "6"
    & skf21("1","1","7","7","2","6","3","1") = "6"
    & skf21("1","1","7","7","2","6","4","1") = "6"
    & skf21("1","1","7","7","2","6","5","1") = "6"
    & skf21("1","1","7","7","2","6","6","1") = "6"
    & skf21("1","1","7","7","2","6","7","1") = "6"
    & skf21("1","1","7","7","2","7","1","1") = "6"
    & skf21("1","1","7","7","2","7","2","1") = "6"
    & skf21("1","1","7","7","2","7","3","1") = "6"
    & skf21("1","1","7","7","2","7","4","1") = "6"
    & skf21("1","1","7","7","2","7","5","1") = "6"
    & skf21("1","1","7","7","2","7","6","1") = "6"
    & skf21("1","1","7","7","2","7","7","1") = "6"
    & skf21("1","1","7","7","3","1","1","1") = "6"
    & skf21("1","1","7","7","3","1","2","1") = "6"
    & skf21("1","1","7","7","3","1","3","1") = "6"
    & skf21("1","1","7","7","3","1","4","1") = "6"
    & skf21("1","1","7","7","3","1","5","1") = "6"
    & skf21("1","1","7","7","3","1","6","1") = "6"
    & skf21("1","1","7","7","3","1","7","1") = "6"
    & skf21("1","1","7","7","3","2","1","1") = "6"
    & skf21("1","1","7","7","3","2","2","1") = "6"
    & skf21("1","1","7","7","3","2","3","1") = "6"
    & skf21("1","1","7","7","3","2","4","1") = "6"
    & skf21("1","1","7","7","3","2","5","1") = "6"
    & skf21("1","1","7","7","3","2","6","1") = "6"
    & skf21("1","1","7","7","3","2","7","1") = "6"
    & skf21("1","1","7","7","3","3","1","1") = "6"
    & skf21("1","1","7","7","3","3","2","1") = "6"
    & skf21("1","1","7","7","3","3","3","1") = "6"
    & skf21("1","1","7","7","3","3","4","1") = "6"
    & skf21("1","1","7","7","3","3","5","1") = "6"
    & skf21("1","1","7","7","3","3","6","1") = "6"
    & skf21("1","1","7","7","3","3","7","1") = "6"
    & skf21("1","1","7","7","3","4","1","1") = "6"
    & skf21("1","1","7","7","3","4","2","1") = "6"
    & skf21("1","1","7","7","3","4","3","1") = "6"
    & skf21("1","1","7","7","3","4","4","1") = "6"
    & skf21("1","1","7","7","3","4","5","1") = "6"
    & skf21("1","1","7","7","3","4","6","1") = "6"
    & skf21("1","1","7","7","3","4","7","1") = "6"
    & skf21("1","1","7","7","3","5","1","1") = "6"
    & skf21("1","1","7","7","3","5","2","1") = "6"
    & skf21("1","1","7","7","3","5","3","1") = "6"
    & skf21("1","1","7","7","3","5","4","1") = "6"
    & skf21("1","1","7","7","3","5","5","1") = "6"
    & skf21("1","1","7","7","3","5","6","1") = "6"
    & skf21("1","1","7","7","3","5","7","1") = "6"
    & skf21("1","1","7","7","3","6","1","1") = "6"
    & skf21("1","1","7","7","3","6","2","1") = "6"
    & skf21("1","1","7","7","3","6","3","1") = "6"
    & skf21("1","1","7","7","3","6","4","1") = "6"
    & skf21("1","1","7","7","3","6","5","1") = "6"
    & skf21("1","1","7","7","3","6","6","1") = "6"
    & skf21("1","1","7","7","3","6","7","1") = "6"
    & skf21("1","1","7","7","3","7","1","1") = "6"
    & skf21("1","1","7","7","3","7","2","1") = "6"
    & skf21("1","1","7","7","3","7","3","1") = "6"
    & skf21("1","1","7","7","3","7","4","1") = "6"
    & skf21("1","1","7","7","3","7","5","1") = "6"
    & skf21("1","1","7","7","3","7","6","1") = "6"
    & skf21("1","1","7","7","3","7","7","1") = "6"
    & skf21("1","1","7","7","4","1","1","1") = "6"
    & skf21("1","1","7","7","4","1","2","1") = "6"
    & skf21("1","1","7","7","4","1","3","1") = "6"
    & skf21("1","1","7","7","4","1","4","1") = "6"
    & skf21("1","1","7","7","4","1","5","1") = "6"
    & skf21("1","1","7","7","4","1","6","1") = "6"
    & skf21("1","1","7","7","4","1","7","1") = "6"
    & skf21("1","1","7","7","4","2","1","1") = "6"
    & skf21("1","1","7","7","4","2","2","1") = "6"
    & skf21("1","1","7","7","4","2","3","1") = "6"
    & skf21("1","1","7","7","4","2","4","1") = "6"
    & skf21("1","1","7","7","4","2","5","1") = "6"
    & skf21("1","1","7","7","4","2","6","1") = "6"
    & skf21("1","1","7","7","4","2","7","1") = "6"
    & skf21("1","1","7","7","4","3","1","1") = "6"
    & skf21("1","1","7","7","4","3","2","1") = "6"
    & skf21("1","1","7","7","4","3","3","1") = "6"
    & skf21("1","1","7","7","4","3","4","1") = "6"
    & skf21("1","1","7","7","4","3","5","1") = "6"
    & skf21("1","1","7","7","4","3","6","1") = "6"
    & skf21("1","1","7","7","4","3","7","1") = "6"
    & skf21("1","1","7","7","4","4","1","1") = "6"
    & skf21("1","1","7","7","4","4","2","1") = "6"
    & skf21("1","1","7","7","4","4","3","1") = "6"
    & skf21("1","1","7","7","4","4","4","1") = "6"
    & skf21("1","1","7","7","4","4","5","1") = "6"
    & skf21("1","1","7","7","4","4","6","1") = "6"
    & skf21("1","1","7","7","4","4","7","1") = "6"
    & skf21("1","1","7","7","4","5","1","1") = "6"
    & skf21("1","1","7","7","4","5","2","1") = "6"
    & skf21("1","1","7","7","4","5","3","1") = "6"
    & skf21("1","1","7","7","4","5","4","1") = "6"
    & skf21("1","1","7","7","4","5","5","1") = "6"
    & skf21("1","1","7","7","4","5","6","1") = "6"
    & skf21("1","1","7","7","4","5","7","1") = "6"
    & skf21("1","1","7","7","4","6","1","1") = "6"
    & skf21("1","1","7","7","4","6","2","1") = "6"
    & skf21("1","1","7","7","4","6","3","1") = "6"
    & skf21("1","1","7","7","4","6","4","1") = "6"
    & skf21("1","1","7","7","4","6","5","1") = "6"
    & skf21("1","1","7","7","4","6","6","1") = "6"
    & skf21("1","1","7","7","4","6","7","1") = "6"
    & skf21("1","1","7","7","4","7","1","1") = "6"
    & skf21("1","1","7","7","4","7","2","1") = "6"
    & skf21("1","1","7","7","4","7","3","1") = "6"
    & skf21("1","1","7","7","4","7","4","1") = "6"
    & skf21("1","1","7","7","4","7","5","1") = "6"
    & skf21("1","1","7","7","4","7","6","1") = "6"
    & skf21("1","1","7","7","4","7","7","1") = "6"
    & skf21("1","1","7","7","5","1","1","1") = "6"
    & skf21("1","1","7","7","5","1","2","1") = "6"
    & skf21("1","1","7","7","5","1","3","1") = "6"
    & skf21("1","1","7","7","5","1","4","1") = "6"
    & skf21("1","1","7","7","5","1","5","1") = "6"
    & skf21("1","1","7","7","5","1","6","1") = "6"
    & skf21("1","1","7","7","5","1","7","1") = "6"
    & skf21("1","1","7","7","5","2","1","1") = "6"
    & skf21("1","1","7","7","5","2","2","1") = "6"
    & skf21("1","1","7","7","5","2","3","1") = "6"
    & skf21("1","1","7","7","5","2","4","1") = "6"
    & skf21("1","1","7","7","5","2","5","1") = "6"
    & skf21("1","1","7","7","5","2","6","1") = "6"
    & skf21("1","1","7","7","5","2","7","1") = "6"
    & skf21("1","1","7","7","5","3","1","1") = "6"
    & skf21("1","1","7","7","5","3","2","1") = "6"
    & skf21("1","1","7","7","5","3","3","1") = "6"
    & skf21("1","1","7","7","5","3","4","1") = "6"
    & skf21("1","1","7","7","5","3","5","1") = "6"
    & skf21("1","1","7","7","5","3","6","1") = "6"
    & skf21("1","1","7","7","5","3","7","1") = "6"
    & skf21("1","1","7","7","5","4","1","1") = "6"
    & skf21("1","1","7","7","5","4","2","1") = "6"
    & skf21("1","1","7","7","5","4","3","1") = "6"
    & skf21("1","1","7","7","5","4","4","1") = "6"
    & skf21("1","1","7","7","5","4","5","1") = "6"
    & skf21("1","1","7","7","5","4","6","1") = "6"
    & skf21("1","1","7","7","5","4","7","1") = "6"
    & skf21("1","1","7","7","5","5","1","1") = "6"
    & skf21("1","1","7","7","5","5","2","1") = "6"
    & skf21("1","1","7","7","5","5","3","1") = "6"
    & skf21("1","1","7","7","5","5","4","1") = "6"
    & skf21("1","1","7","7","5","5","5","1") = "6"
    & skf21("1","1","7","7","5","5","6","1") = "6"
    & skf21("1","1","7","7","5","5","7","1") = "6"
    & skf21("1","1","7","7","5","6","1","1") = "6"
    & skf21("1","1","7","7","5","6","2","1") = "6"
    & skf21("1","1","7","7","5","6","3","1") = "6"
    & skf21("1","1","7","7","5","6","4","1") = "6"
    & skf21("1","1","7","7","5","6","5","1") = "6"
    & skf21("1","1","7","7","5","6","6","1") = "6"
    & skf21("1","1","7","7","5","6","7","1") = "6"
    & skf21("1","1","7","7","5","7","1","1") = "6"
    & skf21("1","1","7","7","5","7","2","1") = "6"
    & skf21("1","1","7","7","5","7","3","1") = "6"
    & skf21("1","1","7","7","5","7","4","1") = "6"
    & skf21("1","1","7","7","5","7","5","1") = "6"
    & skf21("1","1","7","7","5","7","6","1") = "6"
    & skf21("1","1","7","7","5","7","7","1") = "6"
    & skf21("1","1","7","7","6","1","1","1") = "6"
    & skf21("1","1","7","7","6","1","2","1") = "6"
    & skf21("1","1","7","7","6","1","3","1") = "6"
    & skf21("1","1","7","7","6","1","4","1") = "6"
    & skf21("1","1","7","7","6","1","5","1") = "6"
    & skf21("1","1","7","7","6","1","6","1") = "6"
    & skf21("1","1","7","7","6","1","7","1") = "6"
    & skf21("1","1","7","7","6","2","1","1") = "6"
    & skf21("1","1","7","7","6","2","2","1") = "6"
    & skf21("1","1","7","7","6","2","3","1") = "6"
    & skf21("1","1","7","7","6","2","4","1") = "6"
    & skf21("1","1","7","7","6","2","5","1") = "6"
    & skf21("1","1","7","7","6","2","6","1") = "6"
    & skf21("1","1","7","7","6","2","7","1") = "6"
    & skf21("1","1","7","7","6","3","1","1") = "6"
    & skf21("1","1","7","7","6","3","2","1") = "6"
    & skf21("1","1","7","7","6","3","3","1") = "6"
    & skf21("1","1","7","7","6","3","4","1") = "6"
    & skf21("1","1","7","7","6","3","5","1") = "6"
    & skf21("1","1","7","7","6","3","6","1") = "6"
    & skf21("1","1","7","7","6","3","7","1") = "6"
    & skf21("1","1","7","7","6","4","1","1") = "6"
    & skf21("1","1","7","7","6","4","2","1") = "6"
    & skf21("1","1","7","7","6","4","3","1") = "6"
    & skf21("1","1","7","7","6","4","4","1") = "6"
    & skf21("1","1","7","7","6","4","5","1") = "6"
    & skf21("1","1","7","7","6","4","6","1") = "6"
    & skf21("1","1","7","7","6","4","7","1") = "6"
    & skf21("1","1","7","7","6","5","1","1") = "6"
    & skf21("1","1","7","7","6","5","2","1") = "6"
    & skf21("1","1","7","7","6","5","3","1") = "6"
    & skf21("1","1","7","7","6","5","4","1") = "6"
    & skf21("1","1","7","7","6","5","5","1") = "6"
    & skf21("1","1","7","7","6","5","6","1") = "6"
    & skf21("1","1","7","7","6","5","7","1") = "6"
    & skf21("1","1","7","7","6","6","1","1") = "6"
    & skf21("1","1","7","7","6","6","2","1") = "6"
    & skf21("1","1","7","7","6","6","3","1") = "6"
    & skf21("1","1","7","7","6","6","4","1") = "6"
    & skf21("1","1","7","7","6","6","5","1") = "6"
    & skf21("1","1","7","7","6","6","6","1") = "6"
    & skf21("1","1","7","7","6","6","7","1") = "6"
    & skf21("1","1","7","7","6","7","1","1") = "6"
    & skf21("1","1","7","7","6","7","2","1") = "6"
    & skf21("1","1","7","7","6","7","3","1") = "6"
    & skf21("1","1","7","7","6","7","4","1") = "6"
    & skf21("1","1","7","7","6","7","5","1") = "6"
    & skf21("1","1","7","7","6","7","6","1") = "6"
    & skf21("1","1","7","7","6","7","7","1") = "6"
    & skf21("1","1","7","7","7","1","1","1") = "6"
    & skf21("1","1","7","7","7","1","2","1") = "6"
    & skf21("1","1","7","7","7","1","3","1") = "6"
    & skf21("1","1","7","7","7","1","4","1") = "6"
    & skf21("1","1","7","7","7","1","5","1") = "6"
    & skf21("1","1","7","7","7","1","6","1") = "6"
    & skf21("1","1","7","7","7","1","7","1") = "6"
    & skf21("1","1","7","7","7","2","1","1") = "6"
    & skf21("1","1","7","7","7","2","2","1") = "6"
    & skf21("1","1","7","7","7","2","3","1") = "6"
    & skf21("1","1","7","7","7","2","4","1") = "6"
    & skf21("1","1","7","7","7","2","5","1") = "6"
    & skf21("1","1","7","7","7","2","6","1") = "6"
    & skf21("1","1","7","7","7","2","7","1") = "6"
    & skf21("1","1","7","7","7","3","1","1") = "6"
    & skf21("1","1","7","7","7","3","2","1") = "6"
    & skf21("1","1","7","7","7","3","3","1") = "6"
    & skf21("1","1","7","7","7","3","4","1") = "6"
    & skf21("1","1","7","7","7","3","5","1") = "6"
    & skf21("1","1","7","7","7","3","6","1") = "6"
    & skf21("1","1","7","7","7","3","7","1") = "6"
    & skf21("1","1","7","7","7","4","1","1") = "6"
    & skf21("1","1","7","7","7","4","2","1") = "6"
    & skf21("1","1","7","7","7","4","3","1") = "6"
    & skf21("1","1","7","7","7","4","4","1") = "6"
    & skf21("1","1","7","7","7","4","5","1") = "6"
    & skf21("1","1","7","7","7","4","6","1") = "6"
    & skf21("1","1","7","7","7","4","7","1") = "6"
    & skf21("1","1","7","7","7","5","1","1") = "6"
    & skf21("1","1","7","7","7","5","2","1") = "6"
    & skf21("1","1","7","7","7","5","3","1") = "6"
    & skf21("1","1","7","7","7","5","4","1") = "6"
    & skf21("1","1","7","7","7","5","5","1") = "6"
    & skf21("1","1","7","7","7","5","6","1") = "6"
    & skf21("1","1","7","7","7","5","7","1") = "6"
    & skf21("1","1","7","7","7","6","1","1") = "6"
    & skf21("1","1","7","7","7","6","2","1") = "6"
    & skf21("1","1","7","7","7","6","3","1") = "6"
    & skf21("1","1","7","7","7","6","4","1") = "6"
    & skf21("1","1","7","7","7","6","5","1") = "6"
    & skf21("1","1","7","7","7","6","6","1") = "6"
    & skf21("1","1","7","7","7","6","7","1") = "6"
    & skf21("1","1","7","7","7","7","1","1") = "6"
    & skf21("1","1","7","7","7","7","2","1") = "6"
    & skf21("1","1","7","7","7","7","3","1") = "6"
    & skf21("1","1","7","7","7","7","4","1") = "6"
    & skf21("1","1","7","7","7","7","5","1") = "6"
    & skf21("1","1","7","7","7","7","6","1") = "6"
    & skf21("1","1","7","7","7","7","7","1") = "6"
    & skf21("1","2","1","1","1","1","1","1") = "2"
    & skf21("1","2","1","1","1","1","2","1") = "1"
    & skf21("1","2","1","1","1","1","3","1") = "2"
    & skf21("1","2","1","1","1","1","4","1") = "3"
    & skf21("1","2","1","1","1","1","5","1") = "4"
    & skf21("1","2","1","1","1","1","6","1") = "5"
    & skf21("1","2","1","1","1","1","7","1") = "6"
    & skf21("1","2","1","1","1","2","1","1") = "2"
    & skf21("1","2","1","1","1","2","2","1") = "1"
    & skf21("1","2","1","1","1","2","3","1") = "2"
    & skf21("1","2","1","1","1","2","4","1") = "3"
    & skf21("1","2","1","1","1","2","5","1") = "4"
    & skf21("1","2","1","1","1","2","6","1") = "5"
    & skf21("1","2","1","1","1","2","7","1") = "6"
    & skf21("1","2","1","1","1","3","1","1") = "2"
    & skf21("1","2","1","1","1","3","2","1") = "2"
    & skf21("1","2","1","1","1","3","3","1") = "2"
    & skf21("1","2","1","1","1","3","4","1") = "3"
    & skf21("1","2","1","1","1","3","5","1") = "4"
    & skf21("1","2","1","1","1","3","6","1") = "5"
    & skf21("1","2","1","1","1","3","7","1") = "6"
    & skf21("1","2","1","1","1","4","1","1") = "3"
    & skf21("1","2","1","1","1","4","2","1") = "3"
    & skf21("1","2","1","1","1","4","3","1") = "3"
    & skf21("1","2","1","1","1","4","4","1") = "3"
    & skf21("1","2","1","1","1","4","5","1") = "4"
    & skf21("1","2","1","1","1","4","6","1") = "5"
    & skf21("1","2","1","1","1","4","7","1") = "6"
    & skf21("1","2","1","1","1","5","1","1") = "4"
    & skf21("1","2","1","1","1","5","2","1") = "4"
    & skf21("1","2","1","1","1","5","3","1") = "4"
    & skf21("1","2","1","1","1","5","4","1") = "4"
    & skf21("1","2","1","1","1","5","5","1") = "4"
    & skf21("1","2","1","1","1","5","6","1") = "5"
    & skf21("1","2","1","1","1","5","7","1") = "6"
    & skf21("1","2","1","1","1","6","1","1") = "5"
    & skf21("1","2","1","1","1","6","2","1") = "5"
    & skf21("1","2","1","1","1","6","3","1") = "5"
    & skf21("1","2","1","1","1","6","4","1") = "5"
    & skf21("1","2","1","1","1","6","5","1") = "5"
    & skf21("1","2","1","1","1","6","6","1") = "5"
    & skf21("1","2","1","1","1","6","7","1") = "6"
    & skf21("1","2","1","1","1","7","1","1") = "6"
    & skf21("1","2","1","1","1","7","2","1") = "6"
    & skf21("1","2","1","1","1","7","3","1") = "6"
    & skf21("1","2","1","1","1","7","4","1") = "6"
    & skf21("1","2","1","1","1","7","5","1") = "6"
    & skf21("1","2","1","1","1","7","6","1") = "6"
    & skf21("1","2","1","1","1","7","7","1") = "6"
    & skf21("1","2","1","1","2","1","1","1") = "1"
    & skf21("1","2","1","1","2","1","2","1") = "1"
    & skf21("1","2","1","1","2","1","3","1") = "2"
    & skf21("1","2","1","1","2","1","4","1") = "3"
    & skf21("1","2","1","1","2","1","5","1") = "4"
    & skf21("1","2","1","1","2","1","6","1") = "5"
    & skf21("1","2","1","1","2","1","7","1") = "6"
    & skf21("1","2","1","1","2","2","1","1") = "1"
    & skf21("1","2","1","1","2","2","2","1") = "1"
    & skf21("1","2","1","1","2","2","3","1") = "2"
    & skf21("1","2","1","1","2","2","4","1") = "3"
    & skf21("1","2","1","1","2","2","5","1") = "4"
    & skf21("1","2","1","1","2","2","6","1") = "5"
    & skf21("1","2","1","1","2","2","7","1") = "6"
    & skf21("1","2","1","1","2","3","1","1") = "2"
    & skf21("1","2","1","1","2","3","2","1") = "2"
    & skf21("1","2","1","1","2","3","3","1") = "2"
    & skf21("1","2","1","1","2","3","4","1") = "3"
    & skf21("1","2","1","1","2","3","5","1") = "4"
    & skf21("1","2","1","1","2","3","6","1") = "5"
    & skf21("1","2","1","1","2","3","7","1") = "6"
    & skf21("1","2","1","1","2","4","1","1") = "3"
    & skf21("1","2","1","1","2","4","2","1") = "3"
    & skf21("1","2","1","1","2","4","3","1") = "3"
    & skf21("1","2","1","1","2","4","4","1") = "3"
    & skf21("1","2","1","1","2","4","5","1") = "4"
    & skf21("1","2","1","1","2","4","6","1") = "5"
    & skf21("1","2","1","1","2","4","7","1") = "6"
    & skf21("1","2","1","1","2","5","1","1") = "4"
    & skf21("1","2","1","1","2","5","2","1") = "4"
    & skf21("1","2","1","1","2","5","3","1") = "4"
    & skf21("1","2","1","1","2","5","4","1") = "4"
    & skf21("1","2","1","1","2","5","5","1") = "4"
    & skf21("1","2","1","1","2","5","6","1") = "5"
    & skf21("1","2","1","1","2","5","7","1") = "6"
    & skf21("1","2","1","1","2","6","1","1") = "5"
    & skf21("1","2","1","1","2","6","2","1") = "5"
    & skf21("1","2","1","1","2","6","3","1") = "5"
    & skf21("1","2","1","1","2","6","4","1") = "5"
    & skf21("1","2","1","1","2","6","5","1") = "5"
    & skf21("1","2","1","1","2","6","6","1") = "5"
    & skf21("1","2","1","1","2","6","7","1") = "6"
    & skf21("1","2","1","1","2","7","1","1") = "6"
    & skf21("1","2","1","1","2","7","2","1") = "6"
    & skf21("1","2","1","1","2","7","3","1") = "6"
    & skf21("1","2","1","1","2","7","4","1") = "6"
    & skf21("1","2","1","1","2","7","5","1") = "6"
    & skf21("1","2","1","1","2","7","6","1") = "6"
    & skf21("1","2","1","1","2","7","7","1") = "6"
    & skf21("1","2","1","1","3","1","1","1") = "2"
    & skf21("1","2","1","1","3","1","2","1") = "2"
    & skf21("1","2","1","1","3","1","3","1") = "2"
    & skf21("1","2","1","1","3","1","4","1") = "3"
    & skf21("1","2","1","1","3","1","5","1") = "4"
    & skf21("1","2","1","1","3","1","6","1") = "5"
    & skf21("1","2","1","1","3","1","7","1") = "6"
    & skf21("1","2","1","1","3","2","1","1") = "2"
    & skf21("1","2","1","1","3","2","2","1") = "2"
    & skf21("1","2","1","1","3","2","3","1") = "2"
    & skf21("1","2","1","1","3","2","4","1") = "3"
    & skf21("1","2","1","1","3","2","5","1") = "4"
    & skf21("1","2","1","1","3","2","6","1") = "5"
    & skf21("1","2","1","1","3","2","7","1") = "6"
    & skf21("1","2","1","1","3","3","1","1") = "2"
    & skf21("1","2","1","1","3","3","2","1") = "2"
    & skf21("1","2","1","1","3","3","3","1") = "2"
    & skf21("1","2","1","1","3","3","4","1") = "3"
    & skf21("1","2","1","1","3","3","5","1") = "4"
    & skf21("1","2","1","1","3","3","6","1") = "5"
    & skf21("1","2","1","1","3","3","7","1") = "6"
    & skf21("1","2","1","1","3","4","1","1") = "3"
    & skf21("1","2","1","1","3","4","2","1") = "3"
    & skf21("1","2","1","1","3","4","3","1") = "3"
    & skf21("1","2","1","1","3","4","4","1") = "3"
    & skf21("1","2","1","1","3","4","5","1") = "4"
    & skf21("1","2","1","1","3","4","6","1") = "5"
    & skf21("1","2","1","1","3","4","7","1") = "6"
    & skf21("1","2","1","1","3","5","1","1") = "4"
    & skf21("1","2","1","1","3","5","2","1") = "4"
    & skf21("1","2","1","1","3","5","3","1") = "4"
    & skf21("1","2","1","1","3","5","4","1") = "4"
    & skf21("1","2","1","1","3","5","5","1") = "4"
    & skf21("1","2","1","1","3","5","6","1") = "5"
    & skf21("1","2","1","1","3","5","7","1") = "6"
    & skf21("1","2","1","1","3","6","1","1") = "5"
    & skf21("1","2","1","1","3","6","2","1") = "5"
    & skf21("1","2","1","1","3","6","3","1") = "5"
    & skf21("1","2","1","1","3","6","4","1") = "5"
    & skf21("1","2","1","1","3","6","5","1") = "5"
    & skf21("1","2","1","1","3","6","6","1") = "5"
    & skf21("1","2","1","1","3","6","7","1") = "6"
    & skf21("1","2","1","1","3","7","1","1") = "6"
    & skf21("1","2","1","1","3","7","2","1") = "6"
    & skf21("1","2","1","1","3","7","3","1") = "6"
    & skf21("1","2","1","1","3","7","4","1") = "6"
    & skf21("1","2","1","1","3","7","5","1") = "6"
    & skf21("1","2","1","1","3","7","6","1") = "6"
    & skf21("1","2","1","1","3","7","7","1") = "6"
    & skf21("1","2","1","1","4","1","1","1") = "3"
    & skf21("1","2","1","1","4","1","2","1") = "3"
    & skf21("1","2","1","1","4","1","3","1") = "3"
    & skf21("1","2","1","1","4","1","4","1") = "3"
    & skf21("1","2","1","1","4","1","5","1") = "4"
    & skf21("1","2","1","1","4","1","6","1") = "5"
    & skf21("1","2","1","1","4","1","7","1") = "6"
    & skf21("1","2","1","1","4","2","1","1") = "3"
    & skf21("1","2","1","1","4","2","2","1") = "3"
    & skf21("1","2","1","1","4","2","3","1") = "3"
    & skf21("1","2","1","1","4","2","4","1") = "3"
    & skf21("1","2","1","1","4","2","5","1") = "4"
    & skf21("1","2","1","1","4","2","6","1") = "5"
    & skf21("1","2","1","1","4","2","7","1") = "6"
    & skf21("1","2","1","1","4","3","1","1") = "3"
    & skf21("1","2","1","1","4","3","2","1") = "3"
    & skf21("1","2","1","1","4","3","3","1") = "3"
    & skf21("1","2","1","1","4","3","4","1") = "3"
    & skf21("1","2","1","1","4","3","5","1") = "4"
    & skf21("1","2","1","1","4","3","6","1") = "5"
    & skf21("1","2","1","1","4","3","7","1") = "6"
    & skf21("1","2","1","1","4","4","1","1") = "3"
    & skf21("1","2","1","1","4","4","2","1") = "3"
    & skf21("1","2","1","1","4","4","3","1") = "3"
    & skf21("1","2","1","1","4","4","4","1") = "3"
    & skf21("1","2","1","1","4","4","5","1") = "4"
    & skf21("1","2","1","1","4","4","6","1") = "5"
    & skf21("1","2","1","1","4","4","7","1") = "6"
    & skf21("1","2","1","1","4","5","1","1") = "4"
    & skf21("1","2","1","1","4","5","2","1") = "4"
    & skf21("1","2","1","1","4","5","3","1") = "4"
    & skf21("1","2","1","1","4","5","4","1") = "4"
    & skf21("1","2","1","1","4","5","5","1") = "4"
    & skf21("1","2","1","1","4","5","6","1") = "5"
    & skf21("1","2","1","1","4","5","7","1") = "6"
    & skf21("1","2","1","1","4","6","1","1") = "5"
    & skf21("1","2","1","1","4","6","2","1") = "5"
    & skf21("1","2","1","1","4","6","3","1") = "5"
    & skf21("1","2","1","1","4","6","4","1") = "5"
    & skf21("1","2","1","1","4","6","5","1") = "5"
    & skf21("1","2","1","1","4","6","6","1") = "5"
    & skf21("1","2","1","1","4","6","7","1") = "6"
    & skf21("1","2","1","1","4","7","1","1") = "6"
    & skf21("1","2","1","1","4","7","2","1") = "6"
    & skf21("1","2","1","1","4","7","3","1") = "6"
    & skf21("1","2","1","1","4","7","4","1") = "6"
    & skf21("1","2","1","1","4","7","5","1") = "6"
    & skf21("1","2","1","1","4","7","6","1") = "6"
    & skf21("1","2","1","1","4","7","7","1") = "6"
    & skf21("1","2","1","1","5","1","1","1") = "4"
    & skf21("1","2","1","1","5","1","2","1") = "4"
    & skf21("1","2","1","1","5","1","3","1") = "4"
    & skf21("1","2","1","1","5","1","4","1") = "4"
    & skf21("1","2","1","1","5","1","5","1") = "4"
    & skf21("1","2","1","1","5","1","6","1") = "5"
    & skf21("1","2","1","1","5","1","7","1") = "6"
    & skf21("1","2","1","1","5","2","1","1") = "4"
    & skf21("1","2","1","1","5","2","2","1") = "4"
    & skf21("1","2","1","1","5","2","3","1") = "4"
    & skf21("1","2","1","1","5","2","4","1") = "4"
    & skf21("1","2","1","1","5","2","5","1") = "4"
    & skf21("1","2","1","1","5","2","6","1") = "5"
    & skf21("1","2","1","1","5","2","7","1") = "6"
    & skf21("1","2","1","1","5","3","1","1") = "4"
    & skf21("1","2","1","1","5","3","2","1") = "4"
    & skf21("1","2","1","1","5","3","3","1") = "4"
    & skf21("1","2","1","1","5","3","4","1") = "4"
    & skf21("1","2","1","1","5","3","5","1") = "4"
    & skf21("1","2","1","1","5","3","6","1") = "5"
    & skf21("1","2","1","1","5","3","7","1") = "6"
    & skf21("1","2","1","1","5","4","1","1") = "4"
    & skf21("1","2","1","1","5","4","2","1") = "4"
    & skf21("1","2","1","1","5","4","3","1") = "4"
    & skf21("1","2","1","1","5","4","4","1") = "4"
    & skf21("1","2","1","1","5","4","5","1") = "4"
    & skf21("1","2","1","1","5","4","6","1") = "5"
    & skf21("1","2","1","1","5","4","7","1") = "6"
    & skf21("1","2","1","1","5","5","1","1") = "4"
    & skf21("1","2","1","1","5","5","2","1") = "4"
    & skf21("1","2","1","1","5","5","3","1") = "4"
    & skf21("1","2","1","1","5","5","4","1") = "4"
    & skf21("1","2","1","1","5","5","5","1") = "4"
    & skf21("1","2","1","1","5","5","6","1") = "5"
    & skf21("1","2","1","1","5","5","7","1") = "6"
    & skf21("1","2","1","1","5","6","1","1") = "5"
    & skf21("1","2","1","1","5","6","2","1") = "5"
    & skf21("1","2","1","1","5","6","3","1") = "5"
    & skf21("1","2","1","1","5","6","4","1") = "5"
    & skf21("1","2","1","1","5","6","5","1") = "5"
    & skf21("1","2","1","1","5","6","6","1") = "5"
    & skf21("1","2","1","1","5","6","7","1") = "6"
    & skf21("1","2","1","1","5","7","1","1") = "6"
    & skf21("1","2","1","1","5","7","2","1") = "6"
    & skf21("1","2","1","1","5","7","3","1") = "6"
    & skf21("1","2","1","1","5","7","4","1") = "6"
    & skf21("1","2","1","1","5","7","5","1") = "6"
    & skf21("1","2","1","1","5","7","6","1") = "6"
    & skf21("1","2","1","1","5","7","7","1") = "6"
    & skf21("1","2","1","1","6","1","1","1") = "5"
    & skf21("1","2","1","1","6","1","2","1") = "5"
    & skf21("1","2","1","1","6","1","3","1") = "5"
    & skf21("1","2","1","1","6","1","4","1") = "5"
    & skf21("1","2","1","1","6","1","5","1") = "5"
    & skf21("1","2","1","1","6","1","6","1") = "5"
    & skf21("1","2","1","1","6","1","7","1") = "6"
    & skf21("1","2","1","1","6","2","1","1") = "5"
    & skf21("1","2","1","1","6","2","2","1") = "5"
    & skf21("1","2","1","1","6","2","3","1") = "5"
    & skf21("1","2","1","1","6","2","4","1") = "5"
    & skf21("1","2","1","1","6","2","5","1") = "5"
    & skf21("1","2","1","1","6","2","6","1") = "5"
    & skf21("1","2","1","1","6","2","7","1") = "6"
    & skf21("1","2","1","1","6","3","1","1") = "5"
    & skf21("1","2","1","1","6","3","2","1") = "5"
    & skf21("1","2","1","1","6","3","3","1") = "5"
    & skf21("1","2","1","1","6","3","4","1") = "5"
    & skf21("1","2","1","1","6","3","5","1") = "5"
    & skf21("1","2","1","1","6","3","6","1") = "5"
    & skf21("1","2","1","1","6","3","7","1") = "6"
    & skf21("1","2","1","1","6","4","1","1") = "5"
    & skf21("1","2","1","1","6","4","2","1") = "5"
    & skf21("1","2","1","1","6","4","3","1") = "5"
    & skf21("1","2","1","1","6","4","4","1") = "5"
    & skf21("1","2","1","1","6","4","5","1") = "5"
    & skf21("1","2","1","1","6","4","6","1") = "5"
    & skf21("1","2","1","1","6","4","7","1") = "6"
    & skf21("1","2","1","1","6","5","1","1") = "5"
    & skf21("1","2","1","1","6","5","2","1") = "5"
    & skf21("1","2","1","1","6","5","3","1") = "5"
    & skf21("1","2","1","1","6","5","4","1") = "5"
    & skf21("1","2","1","1","6","5","5","1") = "5"
    & skf21("1","2","1","1","6","5","6","1") = "5"
    & skf21("1","2","1","1","6","5","7","1") = "6"
    & skf21("1","2","1","1","6","6","1","1") = "5"
    & skf21("1","2","1","1","6","6","2","1") = "5"
    & skf21("1","2","1","1","6","6","3","1") = "5"
    & skf21("1","2","1","1","6","6","4","1") = "5"
    & skf21("1","2","1","1","6","6","5","1") = "5"
    & skf21("1","2","1","1","6","6","6","1") = "5"
    & skf21("1","2","1","1","6","6","7","1") = "6"
    & skf21("1","2","1","1","6","7","1","1") = "6"
    & skf21("1","2","1","1","6","7","2","1") = "6"
    & skf21("1","2","1","1","6","7","3","1") = "6"
    & skf21("1","2","1","1","6","7","4","1") = "6"
    & skf21("1","2","1","1","6","7","5","1") = "6"
    & skf21("1","2","1","1","6","7","6","1") = "6"
    & skf21("1","2","1","1","6","7","7","1") = "6"
    & skf21("1","2","1","1","7","1","1","1") = "6"
    & skf21("1","2","1","1","7","1","2","1") = "6"
    & skf21("1","2","1","1","7","1","3","1") = "6"
    & skf21("1","2","1","1","7","1","4","1") = "6"
    & skf21("1","2","1","1","7","1","5","1") = "6"
    & skf21("1","2","1","1","7","1","6","1") = "6"
    & skf21("1","2","1","1","7","1","7","1") = "6"
    & skf21("1","2","1","1","7","2","1","1") = "6"
    & skf21("1","2","1","1","7","2","2","1") = "6"
    & skf21("1","2","1","1","7","2","3","1") = "6"
    & skf21("1","2","1","1","7","2","4","1") = "6"
    & skf21("1","2","1","1","7","2","5","1") = "6"
    & skf21("1","2","1","1","7","2","6","1") = "6"
    & skf21("1","2","1","1","7","2","7","1") = "6"
    & skf21("1","2","1","1","7","3","1","1") = "6"
    & skf21("1","2","1","1","7","3","2","1") = "6"
    & skf21("1","2","1","1","7","3","3","1") = "6"
    & skf21("1","2","1","1","7","3","4","1") = "6"
    & skf21("1","2","1","1","7","3","5","1") = "6"
    & skf21("1","2","1","1","7","3","6","1") = "6"
    & skf21("1","2","1","1","7","3","7","1") = "6"
    & skf21("1","2","1","1","7","4","1","1") = "6"
    & skf21("1","2","1","1","7","4","2","1") = "6"
    & skf21("1","2","1","1","7","4","3","1") = "6"
    & skf21("1","2","1","1","7","4","4","1") = "6"
    & skf21("1","2","1","1","7","4","5","1") = "6"
    & skf21("1","2","1","1","7","4","6","1") = "6"
    & skf21("1","2","1","1","7","4","7","1") = "6"
    & skf21("1","2","1","1","7","5","1","1") = "6"
    & skf21("1","2","1","1","7","5","2","1") = "6"
    & skf21("1","2","1","1","7","5","3","1") = "6"
    & skf21("1","2","1","1","7","5","4","1") = "6"
    & skf21("1","2","1","1","7","5","5","1") = "6"
    & skf21("1","2","1","1","7","5","6","1") = "6"
    & skf21("1","2","1","1","7","5","7","1") = "6"
    & skf21("1","2","1","1","7","6","1","1") = "6"
    & skf21("1","2","1","1","7","6","2","1") = "6"
    & skf21("1","2","1","1","7","6","3","1") = "6"
    & skf21("1","2","1","1","7","6","4","1") = "6"
    & skf21("1","2","1","1","7","6","5","1") = "6"
    & skf21("1","2","1","1","7","6","6","1") = "6"
    & skf21("1","2","1","1","7","6","7","1") = "6"
    & skf21("1","2","1","1","7","7","1","1") = "6"
    & skf21("1","2","1","1","7","7","2","1") = "6"
    & skf21("1","2","1","1","7","7","3","1") = "6"
    & skf21("1","2","1","1","7","7","4","1") = "6"
    & skf21("1","2","1","1","7","7","5","1") = "6"
    & skf21("1","2","1","1","7","7","6","1") = "6"
    & skf21("1","2","1","1","7","7","7","1") = "6"
    & skf21("1","2","1","2","1","1","1","1") = "1"
    & skf21("1","2","1","2","1","1","2","1") = "1"
    & skf21("1","2","1","2","1","1","3","1") = "2"
    & skf21("1","2","1","2","1","1","4","1") = "3"
    & skf21("1","2","1","2","1","1","5","1") = "4"
    & skf21("1","2","1","2","1","1","6","1") = "5"
    & skf21("1","2","1","2","1","1","7","1") = "6"
    & skf21("1","2","1","2","1","2","1","1") = "1"
    & skf21("1","2","1","2","1","2","2","1") = "1"
    & skf21("1","2","1","2","1","2","3","1") = "2"
    & skf21("1","2","1","2","1","2","4","1") = "3"
    & skf21("1","2","1","2","1","2","5","1") = "4"
    & skf21("1","2","1","2","1","2","6","1") = "5"
    & skf21("1","2","1","2","1","2","7","1") = "6"
    & skf21("1","2","1","2","1","3","1","1") = "2"
    & skf21("1","2","1","2","1","3","2","1") = "2"
    & skf21("1","2","1","2","1","3","3","1") = "2"
    & skf21("1","2","1","2","1","3","4","1") = "3"
    & skf21("1","2","1","2","1","3","5","1") = "4"
    & skf21("1","2","1","2","1","3","6","1") = "5"
    & skf21("1","2","1","2","1","3","7","1") = "6"
    & skf21("1","2","1","2","1","4","1","1") = "3"
    & skf21("1","2","1","2","1","4","2","1") = "3"
    & skf21("1","2","1","2","1","4","3","1") = "3"
    & skf21("1","2","1","2","1","4","4","1") = "3"
    & skf21("1","2","1","2","1","4","5","1") = "4"
    & skf21("1","2","1","2","1","4","6","1") = "5"
    & skf21("1","2","1","2","1","4","7","1") = "6"
    & skf21("1","2","1","2","1","5","1","1") = "4"
    & skf21("1","2","1","2","1","5","2","1") = "4"
    & skf21("1","2","1","2","1","5","3","1") = "4"
    & skf21("1","2","1","2","1","5","4","1") = "4"
    & skf21("1","2","1","2","1","5","5","1") = "4"
    & skf21("1","2","1","2","1","5","6","1") = "5"
    & skf21("1","2","1","2","1","5","7","1") = "6"
    & skf21("1","2","1","2","1","6","1","1") = "5"
    & skf21("1","2","1","2","1","6","2","1") = "5"
    & skf21("1","2","1","2","1","6","3","1") = "5"
    & skf21("1","2","1","2","1","6","4","1") = "5"
    & skf21("1","2","1","2","1","6","5","1") = "5"
    & skf21("1","2","1","2","1","6","6","1") = "5"
    & skf21("1","2","1","2","1","6","7","1") = "6"
    & skf21("1","2","1","2","1","7","1","1") = "6"
    & skf21("1","2","1","2","1","7","2","1") = "6"
    & skf21("1","2","1","2","1","7","3","1") = "6"
    & skf21("1","2","1","2","1","7","4","1") = "6"
    & skf21("1","2","1","2","1","7","5","1") = "6"
    & skf21("1","2","1","2","1","7","6","1") = "6"
    & skf21("1","2","1","2","1","7","7","1") = "6"
    & skf21("1","2","1","2","2","1","1","1") = "2"
    & skf21("1","2","1","2","2","1","2","1") = "1"
    & skf21("1","2","1","2","2","1","3","1") = "2"
    & skf21("1","2","1","2","2","1","4","1") = "3"
    & skf21("1","2","1","2","2","1","5","1") = "4"
    & skf21("1","2","1","2","2","1","6","1") = "5"
    & skf21("1","2","1","2","2","1","7","1") = "6"
    & skf21("1","2","1","2","2","2","1","1") = "1"
    & skf21("1","2","1","2","2","2","2","1") = "1"
    & skf21("1","2","1","2","2","2","3","1") = "2"
    & skf21("1","2","1","2","2","2","4","1") = "3"
    & skf21("1","2","1","2","2","2","5","1") = "4"
    & skf21("1","2","1","2","2","2","6","1") = "5"
    & skf21("1","2","1","2","2","2","7","1") = "6"
    & skf21("1","2","1","2","2","3","1","1") = "2"
    & skf21("1","2","1","2","2","3","2","1") = "2"
    & skf21("1","2","1","2","2","3","3","1") = "2"
    & skf21("1","2","1","2","2","3","4","1") = "3"
    & skf21("1","2","1","2","2","3","5","1") = "4"
    & skf21("1","2","1","2","2","3","6","1") = "5"
    & skf21("1","2","1","2","2","3","7","1") = "6"
    & skf21("1","2","1","2","2","4","1","1") = "3"
    & skf21("1","2","1","2","2","4","2","1") = "3"
    & skf21("1","2","1","2","2","4","3","1") = "3"
    & skf21("1","2","1","2","2","4","4","1") = "3"
    & skf21("1","2","1","2","2","4","5","1") = "4"
    & skf21("1","2","1","2","2","4","6","1") = "5"
    & skf21("1","2","1","2","2","4","7","1") = "6"
    & skf21("1","2","1","2","2","5","1","1") = "4"
    & skf21("1","2","1","2","2","5","2","1") = "4"
    & skf21("1","2","1","2","2","5","3","1") = "4"
    & skf21("1","2","1","2","2","5","4","1") = "4"
    & skf21("1","2","1","2","2","5","5","1") = "4"
    & skf21("1","2","1","2","2","5","6","1") = "5"
    & skf21("1","2","1","2","2","5","7","1") = "6"
    & skf21("1","2","1","2","2","6","1","1") = "5"
    & skf21("1","2","1","2","2","6","2","1") = "5"
    & skf21("1","2","1","2","2","6","3","1") = "5"
    & skf21("1","2","1","2","2","6","4","1") = "5"
    & skf21("1","2","1","2","2","6","5","1") = "5"
    & skf21("1","2","1","2","2","6","6","1") = "5"
    & skf21("1","2","1","2","2","6","7","1") = "6"
    & skf21("1","2","1","2","2","7","1","1") = "6"
    & skf21("1","2","1","2","2","7","2","1") = "6"
    & skf21("1","2","1","2","2","7","3","1") = "6"
    & skf21("1","2","1","2","2","7","4","1") = "6"
    & skf21("1","2","1","2","2","7","5","1") = "6"
    & skf21("1","2","1","2","2","7","6","1") = "6"
    & skf21("1","2","1","2","2","7","7","1") = "6"
    & skf21("1","2","1","2","3","1","1","1") = "2"
    & skf21("1","2","1","2","3","1","2","1") = "2"
    & skf21("1","2","1","2","3","1","3","1") = "2"
    & skf21("1","2","1","2","3","1","4","1") = "3"
    & skf21("1","2","1","2","3","1","5","1") = "4"
    & skf21("1","2","1","2","3","1","6","1") = "5"
    & skf21("1","2","1","2","3","1","7","1") = "6"
    & skf21("1","2","1","2","3","2","1","1") = "2"
    & skf21("1","2","1","2","3","2","2","1") = "2"
    & skf21("1","2","1","2","3","2","3","1") = "2"
    & skf21("1","2","1","2","3","2","4","1") = "3"
    & skf21("1","2","1","2","3","2","5","1") = "4"
    & skf21("1","2","1","2","3","2","6","1") = "5"
    & skf21("1","2","1","2","3","2","7","1") = "6"
    & skf21("1","2","1","2","3","3","1","1") = "2"
    & skf21("1","2","1","2","3","3","2","1") = "2"
    & skf21("1","2","1","2","3","3","3","1") = "2"
    & skf21("1","2","1","2","3","3","4","1") = "3"
    & skf21("1","2","1","2","3","3","5","1") = "4"
    & skf21("1","2","1","2","3","3","6","1") = "5"
    & skf21("1","2","1","2","3","3","7","1") = "6"
    & skf21("1","2","1","2","3","4","1","1") = "3"
    & skf21("1","2","1","2","3","4","2","1") = "3"
    & skf21("1","2","1","2","3","4","3","1") = "3"
    & skf21("1","2","1","2","3","4","4","1") = "3"
    & skf21("1","2","1","2","3","4","5","1") = "4"
    & skf21("1","2","1","2","3","4","6","1") = "5"
    & skf21("1","2","1","2","3","4","7","1") = "6"
    & skf21("1","2","1","2","3","5","1","1") = "4"
    & skf21("1","2","1","2","3","5","2","1") = "4"
    & skf21("1","2","1","2","3","5","3","1") = "4"
    & skf21("1","2","1","2","3","5","4","1") = "4"
    & skf21("1","2","1","2","3","5","5","1") = "4"
    & skf21("1","2","1","2","3","5","6","1") = "5"
    & skf21("1","2","1","2","3","5","7","1") = "6"
    & skf21("1","2","1","2","3","6","1","1") = "5"
    & skf21("1","2","1","2","3","6","2","1") = "5"
    & skf21("1","2","1","2","3","6","3","1") = "5"
    & skf21("1","2","1","2","3","6","4","1") = "5"
    & skf21("1","2","1","2","3","6","5","1") = "5"
    & skf21("1","2","1","2","3","6","6","1") = "5"
    & skf21("1","2","1","2","3","6","7","1") = "6"
    & skf21("1","2","1","2","3","7","1","1") = "6"
    & skf21("1","2","1","2","3","7","2","1") = "6"
    & skf21("1","2","1","2","3","7","3","1") = "6"
    & skf21("1","2","1","2","3","7","4","1") = "6"
    & skf21("1","2","1","2","3","7","5","1") = "6"
    & skf21("1","2","1","2","3","7","6","1") = "6"
    & skf21("1","2","1","2","3","7","7","1") = "6"
    & skf21("1","2","1","2","4","1","1","1") = "3"
    & skf21("1","2","1","2","4","1","2","1") = "3"
    & skf21("1","2","1","2","4","1","3","1") = "3"
    & skf21("1","2","1","2","4","1","4","1") = "3"
    & skf21("1","2","1","2","4","1","5","1") = "4"
    & skf21("1","2","1","2","4","1","6","1") = "5"
    & skf21("1","2","1","2","4","1","7","1") = "6"
    & skf21("1","2","1","2","4","2","1","1") = "3"
    & skf21("1","2","1","2","4","2","2","1") = "3"
    & skf21("1","2","1","2","4","2","3","1") = "3"
    & skf21("1","2","1","2","4","2","4","1") = "3"
    & skf21("1","2","1","2","4","2","5","1") = "4"
    & skf21("1","2","1","2","4","2","6","1") = "5"
    & skf21("1","2","1","2","4","2","7","1") = "6"
    & skf21("1","2","1","2","4","3","1","1") = "3"
    & skf21("1","2","1","2","4","3","2","1") = "3"
    & skf21("1","2","1","2","4","3","3","1") = "3"
    & skf21("1","2","1","2","4","3","4","1") = "3"
    & skf21("1","2","1","2","4","3","5","1") = "4"
    & skf21("1","2","1","2","4","3","6","1") = "5"
    & skf21("1","2","1","2","4","3","7","1") = "6"
    & skf21("1","2","1","2","4","4","1","1") = "3"
    & skf21("1","2","1","2","4","4","2","1") = "3"
    & skf21("1","2","1","2","4","4","3","1") = "3"
    & skf21("1","2","1","2","4","4","4","1") = "3"
    & skf21("1","2","1","2","4","4","5","1") = "4"
    & skf21("1","2","1","2","4","4","6","1") = "5"
    & skf21("1","2","1","2","4","4","7","1") = "6"
    & skf21("1","2","1","2","4","5","1","1") = "4"
    & skf21("1","2","1","2","4","5","2","1") = "4"
    & skf21("1","2","1","2","4","5","3","1") = "4"
    & skf21("1","2","1","2","4","5","4","1") = "4"
    & skf21("1","2","1","2","4","5","5","1") = "4"
    & skf21("1","2","1","2","4","5","6","1") = "5"
    & skf21("1","2","1","2","4","5","7","1") = "6"
    & skf21("1","2","1","2","4","6","1","1") = "5"
    & skf21("1","2","1","2","4","6","2","1") = "5"
    & skf21("1","2","1","2","4","6","3","1") = "5"
    & skf21("1","2","1","2","4","6","4","1") = "5"
    & skf21("1","2","1","2","4","6","5","1") = "5"
    & skf21("1","2","1","2","4","6","6","1") = "5"
    & skf21("1","2","1","2","4","6","7","1") = "6"
    & skf21("1","2","1","2","4","7","1","1") = "6"
    & skf21("1","2","1","2","4","7","2","1") = "6"
    & skf21("1","2","1","2","4","7","3","1") = "6"
    & skf21("1","2","1","2","4","7","4","1") = "6"
    & skf21("1","2","1","2","4","7","5","1") = "6"
    & skf21("1","2","1","2","4","7","6","1") = "6"
    & skf21("1","2","1","2","4","7","7","1") = "6"
    & skf21("1","2","1","2","5","1","1","1") = "4"
    & skf21("1","2","1","2","5","1","2","1") = "4"
    & skf21("1","2","1","2","5","1","3","1") = "4"
    & skf21("1","2","1","2","5","1","4","1") = "4"
    & skf21("1","2","1","2","5","1","5","1") = "4"
    & skf21("1","2","1","2","5","1","6","1") = "5"
    & skf21("1","2","1","2","5","1","7","1") = "6"
    & skf21("1","2","1","2","5","2","1","1") = "4"
    & skf21("1","2","1","2","5","2","2","1") = "4"
    & skf21("1","2","1","2","5","2","3","1") = "4"
    & skf21("1","2","1","2","5","2","4","1") = "4"
    & skf21("1","2","1","2","5","2","5","1") = "4"
    & skf21("1","2","1","2","5","2","6","1") = "5"
    & skf21("1","2","1","2","5","2","7","1") = "6"
    & skf21("1","2","1","2","5","3","1","1") = "4"
    & skf21("1","2","1","2","5","3","2","1") = "4"
    & skf21("1","2","1","2","5","3","3","1") = "4"
    & skf21("1","2","1","2","5","3","4","1") = "4"
    & skf21("1","2","1","2","5","3","5","1") = "4"
    & skf21("1","2","1","2","5","3","6","1") = "5"
    & skf21("1","2","1","2","5","3","7","1") = "6"
    & skf21("1","2","1","2","5","4","1","1") = "4"
    & skf21("1","2","1","2","5","4","2","1") = "4"
    & skf21("1","2","1","2","5","4","3","1") = "4"
    & skf21("1","2","1","2","5","4","4","1") = "4"
    & skf21("1","2","1","2","5","4","5","1") = "4"
    & skf21("1","2","1","2","5","4","6","1") = "5"
    & skf21("1","2","1","2","5","4","7","1") = "6"
    & skf21("1","2","1","2","5","5","1","1") = "4"
    & skf21("1","2","1","2","5","5","2","1") = "4"
    & skf21("1","2","1","2","5","5","3","1") = "4"
    & skf21("1","2","1","2","5","5","4","1") = "4"
    & skf21("1","2","1","2","5","5","5","1") = "4"
    & skf21("1","2","1","2","5","5","6","1") = "5"
    & skf21("1","2","1","2","5","5","7","1") = "6"
    & skf21("1","2","1","2","5","6","1","1") = "5"
    & skf21("1","2","1","2","5","6","2","1") = "5"
    & skf21("1","2","1","2","5","6","3","1") = "5"
    & skf21("1","2","1","2","5","6","4","1") = "5"
    & skf21("1","2","1","2","5","6","5","1") = "5"
    & skf21("1","2","1","2","5","6","6","1") = "5"
    & skf21("1","2","1","2","5","6","7","1") = "6"
    & skf21("1","2","1","2","5","7","1","1") = "6"
    & skf21("1","2","1","2","5","7","2","1") = "6"
    & skf21("1","2","1","2","5","7","3","1") = "6"
    & skf21("1","2","1","2","5","7","4","1") = "6"
    & skf21("1","2","1","2","5","7","5","1") = "6"
    & skf21("1","2","1","2","5","7","6","1") = "6"
    & skf21("1","2","1","2","5","7","7","1") = "6"
    & skf21("1","2","1","2","6","1","1","1") = "5"
    & skf21("1","2","1","2","6","1","2","1") = "5"
    & skf21("1","2","1","2","6","1","3","1") = "5"
    & skf21("1","2","1","2","6","1","4","1") = "5"
    & skf21("1","2","1","2","6","1","5","1") = "5"
    & skf21("1","2","1","2","6","1","6","1") = "5"
    & skf21("1","2","1","2","6","1","7","1") = "6"
    & skf21("1","2","1","2","6","2","1","1") = "5"
    & skf21("1","2","1","2","6","2","2","1") = "5"
    & skf21("1","2","1","2","6","2","3","1") = "5"
    & skf21("1","2","1","2","6","2","4","1") = "5"
    & skf21("1","2","1","2","6","2","5","1") = "5"
    & skf21("1","2","1","2","6","2","6","1") = "5"
    & skf21("1","2","1","2","6","2","7","1") = "6"
    & skf21("1","2","1","2","6","3","1","1") = "5"
    & skf21("1","2","1","2","6","3","2","1") = "5"
    & skf21("1","2","1","2","6","3","3","1") = "5"
    & skf21("1","2","1","2","6","3","4","1") = "5"
    & skf21("1","2","1","2","6","3","5","1") = "5"
    & skf21("1","2","1","2","6","3","6","1") = "5"
    & skf21("1","2","1","2","6","3","7","1") = "6"
    & skf21("1","2","1","2","6","4","1","1") = "5"
    & skf21("1","2","1","2","6","4","2","1") = "5"
    & skf21("1","2","1","2","6","4","3","1") = "5"
    & skf21("1","2","1","2","6","4","4","1") = "5"
    & skf21("1","2","1","2","6","4","5","1") = "5"
    & skf21("1","2","1","2","6","4","6","1") = "5"
    & skf21("1","2","1","2","6","4","7","1") = "6"
    & skf21("1","2","1","2","6","5","1","1") = "5"
    & skf21("1","2","1","2","6","5","2","1") = "5"
    & skf21("1","2","1","2","6","5","3","1") = "5"
    & skf21("1","2","1","2","6","5","4","1") = "5"
    & skf21("1","2","1","2","6","5","5","1") = "5"
    & skf21("1","2","1","2","6","5","6","1") = "5"
    & skf21("1","2","1","2","6","5","7","1") = "6"
    & skf21("1","2","1","2","6","6","1","1") = "5"
    & skf21("1","2","1","2","6","6","2","1") = "5"
    & skf21("1","2","1","2","6","6","3","1") = "5"
    & skf21("1","2","1","2","6","6","4","1") = "5"
    & skf21("1","2","1","2","6","6","5","1") = "5"
    & skf21("1","2","1","2","6","6","6","1") = "5"
    & skf21("1","2","1","2","6","6","7","1") = "6"
    & skf21("1","2","1","2","6","7","1","1") = "6"
    & skf21("1","2","1","2","6","7","2","1") = "6"
    & skf21("1","2","1","2","6","7","3","1") = "6"
    & skf21("1","2","1","2","6","7","4","1") = "6"
    & skf21("1","2","1","2","6","7","5","1") = "6"
    & skf21("1","2","1","2","6","7","6","1") = "6"
    & skf21("1","2","1","2","6","7","7","1") = "6"
    & skf21("1","2","1","2","7","1","1","1") = "6"
    & skf21("1","2","1","2","7","1","2","1") = "6"
    & skf21("1","2","1","2","7","1","3","1") = "6"
    & skf21("1","2","1","2","7","1","4","1") = "6"
    & skf21("1","2","1","2","7","1","5","1") = "6"
    & skf21("1","2","1","2","7","1","6","1") = "6"
    & skf21("1","2","1","2","7","1","7","1") = "6"
    & skf21("1","2","1","2","7","2","1","1") = "6"
    & skf21("1","2","1","2","7","2","2","1") = "6"
    & skf21("1","2","1","2","7","2","3","1") = "6"
    & skf21("1","2","1","2","7","2","4","1") = "6"
    & skf21("1","2","1","2","7","2","5","1") = "6"
    & skf21("1","2","1","2","7","2","6","1") = "6"
    & skf21("1","2","1","2","7","2","7","1") = "6"
    & skf21("1","2","1","2","7","3","1","1") = "6"
    & skf21("1","2","1","2","7","3","2","1") = "6"
    & skf21("1","2","1","2","7","3","3","1") = "6"
    & skf21("1","2","1","2","7","3","4","1") = "6"
    & skf21("1","2","1","2","7","3","5","1") = "6"
    & skf21("1","2","1","2","7","3","6","1") = "6"
    & skf21("1","2","1","2","7","3","7","1") = "6"
    & skf21("1","2","1","2","7","4","1","1") = "6"
    & skf21("1","2","1","2","7","4","2","1") = "6"
    & skf21("1","2","1","2","7","4","3","1") = "6"
    & skf21("1","2","1","2","7","4","4","1") = "6"
    & skf21("1","2","1","2","7","4","5","1") = "6"
    & skf21("1","2","1","2","7","4","6","1") = "6"
    & skf21("1","2","1","2","7","4","7","1") = "6"
    & skf21("1","2","1","2","7","5","1","1") = "6"
    & skf21("1","2","1","2","7","5","2","1") = "6"
    & skf21("1","2","1","2","7","5","3","1") = "6"
    & skf21("1","2","1","2","7","5","4","1") = "6"
    & skf21("1","2","1","2","7","5","5","1") = "6"
    & skf21("1","2","1","2","7","5","6","1") = "6"
    & skf21("1","2","1","2","7","5","7","1") = "6"
    & skf21("1","2","1","2","7","6","1","1") = "6"
    & skf21("1","2","1","2","7","6","2","1") = "6"
    & skf21("1","2","1","2","7","6","3","1") = "6"
    & skf21("1","2","1","2","7","6","4","1") = "6"
    & skf21("1","2","1","2","7","6","5","1") = "6"
    & skf21("1","2","1","2","7","6","6","1") = "6"
    & skf21("1","2","1","2","7","6","7","1") = "6"
    & skf21("1","2","1","2","7","7","1","1") = "6"
    & skf21("1","2","1","2","7","7","2","1") = "6"
    & skf21("1","2","1","2","7","7","3","1") = "6"
    & skf21("1","2","1","2","7","7","4","1") = "6"
    & skf21("1","2","1","2","7","7","5","1") = "6"
    & skf21("1","2","1","2","7","7","6","1") = "6"
    & skf21("1","2","1","2","7","7","7","1") = "6"
    & skf21("1","2","1","3","1","1","1","1") = "2"
    & skf21("1","2","1","3","1","1","2","1") = "2"
    & skf21("1","2","1","3","1","1","3","1") = "2"
    & skf21("1","2","1","3","1","1","4","1") = "3"
    & skf21("1","2","1","3","1","1","5","1") = "4"
    & skf21("1","2","1","3","1","1","6","1") = "5"
    & skf21("1","2","1","3","1","1","7","1") = "6"
    & skf21("1","2","1","3","1","2","1","1") = "2"
    & skf21("1","2","1","3","1","2","2","1") = "2"
    & skf21("1","2","1","3","1","2","3","1") = "2"
    & skf21("1","2","1","3","1","2","4","1") = "3"
    & skf21("1","2","1","3","1","2","5","1") = "4"
    & skf21("1","2","1","3","1","2","6","1") = "5"
    & skf21("1","2","1","3","1","2","7","1") = "6"
    & skf21("1","2","1","3","1","3","1","1") = "2"
    & skf21("1","2","1","3","1","3","2","1") = "2"
    & skf21("1","2","1","3","1","3","3","1") = "2"
    & skf21("1","2","1","3","1","3","4","1") = "3"
    & skf21("1","2","1","3","1","3","5","1") = "4"
    & skf21("1","2","1","3","1","3","6","1") = "5"
    & skf21("1","2","1","3","1","3","7","1") = "6"
    & skf21("1","2","1","3","1","4","1","1") = "3"
    & skf21("1","2","1","3","1","4","2","1") = "3"
    & skf21("1","2","1","3","1","4","3","1") = "3"
    & skf21("1","2","1","3","1","4","4","1") = "3"
    & skf21("1","2","1","3","1","4","5","1") = "4"
    & skf21("1","2","1","3","1","4","6","1") = "5"
    & skf21("1","2","1","3","1","4","7","1") = "6"
    & skf21("1","2","1","3","1","5","1","1") = "4"
    & skf21("1","2","1","3","1","5","2","1") = "4"
    & skf21("1","2","1","3","1","5","3","1") = "4"
    & skf21("1","2","1","3","1","5","4","1") = "4"
    & skf21("1","2","1","3","1","5","5","1") = "4"
    & skf21("1","2","1","3","1","5","6","1") = "5"
    & skf21("1","2","1","3","1","5","7","1") = "6"
    & skf21("1","2","1","3","1","6","1","1") = "5"
    & skf21("1","2","1","3","1","6","2","1") = "5"
    & skf21("1","2","1","3","1","6","3","1") = "5"
    & skf21("1","2","1","3","1","6","4","1") = "5"
    & skf21("1","2","1","3","1","6","5","1") = "5"
    & skf21("1","2","1","3","1","6","6","1") = "5"
    & skf21("1","2","1","3","1","6","7","1") = "6"
    & skf21("1","2","1","3","1","7","1","1") = "6"
    & skf21("1","2","1","3","1","7","2","1") = "6"
    & skf21("1","2","1","3","1","7","3","1") = "6"
    & skf21("1","2","1","3","1","7","4","1") = "6"
    & skf21("1","2","1","3","1","7","5","1") = "6"
    & skf21("1","2","1","3","1","7","6","1") = "6"
    & skf21("1","2","1","3","1","7","7","1") = "6"
    & skf21("1","2","1","3","2","1","1","1") = "2"
    & skf21("1","2","1","3","2","1","2","1") = "2"
    & skf21("1","2","1","3","2","1","3","1") = "2"
    & skf21("1","2","1","3","2","1","4","1") = "3"
    & skf21("1","2","1","3","2","1","5","1") = "4"
    & skf21("1","2","1","3","2","1","6","1") = "5"
    & skf21("1","2","1","3","2","1","7","1") = "6"
    & skf21("1","2","1","3","2","2","1","1") = "2"
    & skf21("1","2","1","3","2","2","2","1") = "2"
    & skf21("1","2","1","3","2","2","3","1") = "2"
    & skf21("1","2","1","3","2","2","4","1") = "3"
    & skf21("1","2","1","3","2","2","5","1") = "4"
    & skf21("1","2","1","3","2","2","6","1") = "5"
    & skf21("1","2","1","3","2","2","7","1") = "6"
    & skf21("1","2","1","3","2","3","1","1") = "2"
    & skf21("1","2","1","3","2","3","2","1") = "2"
    & skf21("1","2","1","3","2","3","3","1") = "2"
    & skf21("1","2","1","3","2","3","4","1") = "3"
    & skf21("1","2","1","3","2","3","5","1") = "4"
    & skf21("1","2","1","3","2","3","6","1") = "5"
    & skf21("1","2","1","3","2","3","7","1") = "6"
    & skf21("1","2","1","3","2","4","1","1") = "3"
    & skf21("1","2","1","3","2","4","2","1") = "3"
    & skf21("1","2","1","3","2","4","3","1") = "3"
    & skf21("1","2","1","3","2","4","4","1") = "3"
    & skf21("1","2","1","3","2","4","5","1") = "4"
    & skf21("1","2","1","3","2","4","6","1") = "5"
    & skf21("1","2","1","3","2","4","7","1") = "6"
    & skf21("1","2","1","3","2","5","1","1") = "4"
    & skf21("1","2","1","3","2","5","2","1") = "4"
    & skf21("1","2","1","3","2","5","3","1") = "4"
    & skf21("1","2","1","3","2","5","4","1") = "4"
    & skf21("1","2","1","3","2","5","5","1") = "4"
    & skf21("1","2","1","3","2","5","6","1") = "5"
    & skf21("1","2","1","3","2","5","7","1") = "6"
    & skf21("1","2","1","3","2","6","1","1") = "5"
    & skf21("1","2","1","3","2","6","2","1") = "5"
    & skf21("1","2","1","3","2","6","3","1") = "5"
    & skf21("1","2","1","3","2","6","4","1") = "5"
    & skf21("1","2","1","3","2","6","5","1") = "5"
    & skf21("1","2","1","3","2","6","6","1") = "5"
    & skf21("1","2","1","3","2","6","7","1") = "6"
    & skf21("1","2","1","3","2","7","1","1") = "6"
    & skf21("1","2","1","3","2","7","2","1") = "6"
    & skf21("1","2","1","3","2","7","3","1") = "6"
    & skf21("1","2","1","3","2","7","4","1") = "6"
    & skf21("1","2","1","3","2","7","5","1") = "6"
    & skf21("1","2","1","3","2","7","6","1") = "6"
    & skf21("1","2","1","3","2","7","7","1") = "6"
    & skf21("1","2","1","3","3","1","1","1") = "2"
    & skf21("1","2","1","3","3","1","2","1") = "2"
    & skf21("1","2","1","3","3","1","3","1") = "2"
    & skf21("1","2","1","3","3","1","4","1") = "3"
    & skf21("1","2","1","3","3","1","5","1") = "4"
    & skf21("1","2","1","3","3","1","6","1") = "5"
    & skf21("1","2","1","3","3","1","7","1") = "6"
    & skf21("1","2","1","3","3","2","1","1") = "2"
    & skf21("1","2","1","3","3","2","2","1") = "2"
    & skf21("1","2","1","3","3","2","3","1") = "2"
    & skf21("1","2","1","3","3","2","4","1") = "3"
    & skf21("1","2","1","3","3","2","5","1") = "4"
    & skf21("1","2","1","3","3","2","6","1") = "5"
    & skf21("1","2","1","3","3","2","7","1") = "6"
    & skf21("1","2","1","3","3","3","1","1") = "2"
    & skf21("1","2","1","3","3","3","2","1") = "2"
    & skf21("1","2","1","3","3","3","3","1") = "2"
    & skf21("1","2","1","3","3","3","4","1") = "3"
    & skf21("1","2","1","3","3","3","5","1") = "4"
    & skf21("1","2","1","3","3","3","6","1") = "5"
    & skf21("1","2","1","3","3","3","7","1") = "6"
    & skf21("1","2","1","3","3","4","1","1") = "3"
    & skf21("1","2","1","3","3","4","2","1") = "3"
    & skf21("1","2","1","3","3","4","3","1") = "3"
    & skf21("1","2","1","3","3","4","4","1") = "3"
    & skf21("1","2","1","3","3","4","5","1") = "4"
    & skf21("1","2","1","3","3","4","6","1") = "5"
    & skf21("1","2","1","3","3","4","7","1") = "6"
    & skf21("1","2","1","3","3","5","1","1") = "4"
    & skf21("1","2","1","3","3","5","2","1") = "4"
    & skf21("1","2","1","3","3","5","3","1") = "4"
    & skf21("1","2","1","3","3","5","4","1") = "4"
    & skf21("1","2","1","3","3","5","5","1") = "4"
    & skf21("1","2","1","3","3","5","6","1") = "5"
    & skf21("1","2","1","3","3","5","7","1") = "6"
    & skf21("1","2","1","3","3","6","1","1") = "5"
    & skf21("1","2","1","3","3","6","2","1") = "5"
    & skf21("1","2","1","3","3","6","3","1") = "5"
    & skf21("1","2","1","3","3","6","4","1") = "5"
    & skf21("1","2","1","3","3","6","5","1") = "5"
    & skf21("1","2","1","3","3","6","6","1") = "5"
    & skf21("1","2","1","3","3","6","7","1") = "6"
    & skf21("1","2","1","3","3","7","1","1") = "6"
    & skf21("1","2","1","3","3","7","2","1") = "6"
    & skf21("1","2","1","3","3","7","3","1") = "6"
    & skf21("1","2","1","3","3","7","4","1") = "6"
    & skf21("1","2","1","3","3","7","5","1") = "6"
    & skf21("1","2","1","3","3","7","6","1") = "6"
    & skf21("1","2","1","3","3","7","7","1") = "6"
    & skf21("1","2","1","3","4","1","1","1") = "3"
    & skf21("1","2","1","3","4","1","2","1") = "3"
    & skf21("1","2","1","3","4","1","3","1") = "3"
    & skf21("1","2","1","3","4","1","4","1") = "3"
    & skf21("1","2","1","3","4","1","5","1") = "4"
    & skf21("1","2","1","3","4","1","6","1") = "5"
    & skf21("1","2","1","3","4","1","7","1") = "6"
    & skf21("1","2","1","3","4","2","1","1") = "3"
    & skf21("1","2","1","3","4","2","2","1") = "3"
    & skf21("1","2","1","3","4","2","3","1") = "3"
    & skf21("1","2","1","3","4","2","4","1") = "3"
    & skf21("1","2","1","3","4","2","5","1") = "4"
    & skf21("1","2","1","3","4","2","6","1") = "5"
    & skf21("1","2","1","3","4","2","7","1") = "6"
    & skf21("1","2","1","3","4","3","1","1") = "3"
    & skf21("1","2","1","3","4","3","2","1") = "3"
    & skf21("1","2","1","3","4","3","3","1") = "3"
    & skf21("1","2","1","3","4","3","4","1") = "3"
    & skf21("1","2","1","3","4","3","5","1") = "4"
    & skf21("1","2","1","3","4","3","6","1") = "5"
    & skf21("1","2","1","3","4","3","7","1") = "6"
    & skf21("1","2","1","3","4","4","1","1") = "3"
    & skf21("1","2","1","3","4","4","2","1") = "3"
    & skf21("1","2","1","3","4","4","3","1") = "3"
    & skf21("1","2","1","3","4","4","4","1") = "3"
    & skf21("1","2","1","3","4","4","5","1") = "4"
    & skf21("1","2","1","3","4","4","6","1") = "5"
    & skf21("1","2","1","3","4","4","7","1") = "6"
    & skf21("1","2","1","3","4","5","1","1") = "4"
    & skf21("1","2","1","3","4","5","2","1") = "4"
    & skf21("1","2","1","3","4","5","3","1") = "4"
    & skf21("1","2","1","3","4","5","4","1") = "4"
    & skf21("1","2","1","3","4","5","5","1") = "4"
    & skf21("1","2","1","3","4","5","6","1") = "5"
    & skf21("1","2","1","3","4","5","7","1") = "6"
    & skf21("1","2","1","3","4","6","1","1") = "5"
    & skf21("1","2","1","3","4","6","2","1") = "5"
    & skf21("1","2","1","3","4","6","3","1") = "5"
    & skf21("1","2","1","3","4","6","4","1") = "5"
    & skf21("1","2","1","3","4","6","5","1") = "5"
    & skf21("1","2","1","3","4","6","6","1") = "5"
    & skf21("1","2","1","3","4","6","7","1") = "6"
    & skf21("1","2","1","3","4","7","1","1") = "6"
    & skf21("1","2","1","3","4","7","2","1") = "6"
    & skf21("1","2","1","3","4","7","3","1") = "6"
    & skf21("1","2","1","3","4","7","4","1") = "6"
    & skf21("1","2","1","3","4","7","5","1") = "6"
    & skf21("1","2","1","3","4","7","6","1") = "6"
    & skf21("1","2","1","3","4","7","7","1") = "6"
    & skf21("1","2","1","3","5","1","1","1") = "4"
    & skf21("1","2","1","3","5","1","2","1") = "4"
    & skf21("1","2","1","3","5","1","3","1") = "4"
    & skf21("1","2","1","3","5","1","4","1") = "4"
    & skf21("1","2","1","3","5","1","5","1") = "4"
    & skf21("1","2","1","3","5","1","6","1") = "5"
    & skf21("1","2","1","3","5","1","7","1") = "6"
    & skf21("1","2","1","3","5","2","1","1") = "4"
    & skf21("1","2","1","3","5","2","2","1") = "4"
    & skf21("1","2","1","3","5","2","3","1") = "4"
    & skf21("1","2","1","3","5","2","4","1") = "4"
    & skf21("1","2","1","3","5","2","5","1") = "4"
    & skf21("1","2","1","3","5","2","6","1") = "5"
    & skf21("1","2","1","3","5","2","7","1") = "6"
    & skf21("1","2","1","3","5","3","1","1") = "4"
    & skf21("1","2","1","3","5","3","2","1") = "4"
    & skf21("1","2","1","3","5","3","3","1") = "4"
    & skf21("1","2","1","3","5","3","4","1") = "4"
    & skf21("1","2","1","3","5","3","5","1") = "4"
    & skf21("1","2","1","3","5","3","6","1") = "5"
    & skf21("1","2","1","3","5","3","7","1") = "6"
    & skf21("1","2","1","3","5","4","1","1") = "4"
    & skf21("1","2","1","3","5","4","2","1") = "4"
    & skf21("1","2","1","3","5","4","3","1") = "4"
    & skf21("1","2","1","3","5","4","4","1") = "4"
    & skf21("1","2","1","3","5","4","5","1") = "4"
    & skf21("1","2","1","3","5","4","6","1") = "5"
    & skf21("1","2","1","3","5","4","7","1") = "6"
    & skf21("1","2","1","3","5","5","1","1") = "4"
    & skf21("1","2","1","3","5","5","2","1") = "4"
    & skf21("1","2","1","3","5","5","3","1") = "4"
    & skf21("1","2","1","3","5","5","4","1") = "4"
    & skf21("1","2","1","3","5","5","5","1") = "4"
    & skf21("1","2","1","3","5","5","6","1") = "5"
    & skf21("1","2","1","3","5","5","7","1") = "6"
    & skf21("1","2","1","3","5","6","1","1") = "5"
    & skf21("1","2","1","3","5","6","2","1") = "5"
    & skf21("1","2","1","3","5","6","3","1") = "5"
    & skf21("1","2","1","3","5","6","4","1") = "5"
    & skf21("1","2","1","3","5","6","5","1") = "5"
    & skf21("1","2","1","3","5","6","6","1") = "5"
    & skf21("1","2","1","3","5","6","7","1") = "6"
    & skf21("1","2","1","3","5","7","1","1") = "6"
    & skf21("1","2","1","3","5","7","2","1") = "6"
    & skf21("1","2","1","3","5","7","3","1") = "6"
    & skf21("1","2","1","3","5","7","4","1") = "6"
    & skf21("1","2","1","3","5","7","5","1") = "6"
    & skf21("1","2","1","3","5","7","6","1") = "6"
    & skf21("1","2","1","3","5","7","7","1") = "6"
    & skf21("1","2","1","3","6","1","1","1") = "5"
    & skf21("1","2","1","3","6","1","2","1") = "5"
    & skf21("1","2","1","3","6","1","3","1") = "5"
    & skf21("1","2","1","3","6","1","4","1") = "5"
    & skf21("1","2","1","3","6","1","5","1") = "5"
    & skf21("1","2","1","3","6","1","6","1") = "5"
    & skf21("1","2","1","3","6","1","7","1") = "6"
    & skf21("1","2","1","3","6","2","1","1") = "5"
    & skf21("1","2","1","3","6","2","2","1") = "5"
    & skf21("1","2","1","3","6","2","3","1") = "5"
    & skf21("1","2","1","3","6","2","4","1") = "5"
    & skf21("1","2","1","3","6","2","5","1") = "5"
    & skf21("1","2","1","3","6","2","6","1") = "5"
    & skf21("1","2","1","3","6","2","7","1") = "6"
    & skf21("1","2","1","3","6","3","1","1") = "5"
    & skf21("1","2","1","3","6","3","2","1") = "5"
    & skf21("1","2","1","3","6","3","3","1") = "5"
    & skf21("1","2","1","3","6","3","4","1") = "5"
    & skf21("1","2","1","3","6","3","5","1") = "5"
    & skf21("1","2","1","3","6","3","6","1") = "5"
    & skf21("1","2","1","3","6","3","7","1") = "6"
    & skf21("1","2","1","3","6","4","1","1") = "5"
    & skf21("1","2","1","3","6","4","2","1") = "5"
    & skf21("1","2","1","3","6","4","3","1") = "5"
    & skf21("1","2","1","3","6","4","4","1") = "5"
    & skf21("1","2","1","3","6","4","5","1") = "5"
    & skf21("1","2","1","3","6","4","6","1") = "5"
    & skf21("1","2","1","3","6","4","7","1") = "6"
    & skf21("1","2","1","3","6","5","1","1") = "5"
    & skf21("1","2","1","3","6","5","2","1") = "5"
    & skf21("1","2","1","3","6","5","3","1") = "5"
    & skf21("1","2","1","3","6","5","4","1") = "5"
    & skf21("1","2","1","3","6","5","5","1") = "5"
    & skf21("1","2","1","3","6","5","6","1") = "5"
    & skf21("1","2","1","3","6","5","7","1") = "6"
    & skf21("1","2","1","3","6","6","1","1") = "5"
    & skf21("1","2","1","3","6","6","2","1") = "5"
    & skf21("1","2","1","3","6","6","3","1") = "5"
    & skf21("1","2","1","3","6","6","4","1") = "5"
    & skf21("1","2","1","3","6","6","5","1") = "5"
    & skf21("1","2","1","3","6","6","6","1") = "5"
    & skf21("1","2","1","3","6","6","7","1") = "6"
    & skf21("1","2","1","3","6","7","1","1") = "6"
    & skf21("1","2","1","3","6","7","2","1") = "6"
    & skf21("1","2","1","3","6","7","3","1") = "6"
    & skf21("1","2","1","3","6","7","4","1") = "6"
    & skf21("1","2","1","3","6","7","5","1") = "6"
    & skf21("1","2","1","3","6","7","6","1") = "6"
    & skf21("1","2","1","3","6","7","7","1") = "6"
    & skf21("1","2","1","3","7","1","1","1") = "6"
    & skf21("1","2","1","3","7","1","2","1") = "6"
    & skf21("1","2","1","3","7","1","3","1") = "6"
    & skf21("1","2","1","3","7","1","4","1") = "6"
    & skf21("1","2","1","3","7","1","5","1") = "6"
    & skf21("1","2","1","3","7","1","6","1") = "6"
    & skf21("1","2","1","3","7","1","7","1") = "6"
    & skf21("1","2","1","3","7","2","1","1") = "6"
    & skf21("1","2","1","3","7","2","2","1") = "6"
    & skf21("1","2","1","3","7","2","3","1") = "6"
    & skf21("1","2","1","3","7","2","4","1") = "6"
    & skf21("1","2","1","3","7","2","5","1") = "6"
    & skf21("1","2","1","3","7","2","6","1") = "6"
    & skf21("1","2","1","3","7","2","7","1") = "6"
    & skf21("1","2","1","3","7","3","1","1") = "6"
    & skf21("1","2","1","3","7","3","2","1") = "6"
    & skf21("1","2","1","3","7","3","3","1") = "6"
    & skf21("1","2","1","3","7","3","4","1") = "6"
    & skf21("1","2","1","3","7","3","5","1") = "6"
    & skf21("1","2","1","3","7","3","6","1") = "6"
    & skf21("1","2","1","3","7","3","7","1") = "6"
    & skf21("1","2","1","3","7","4","1","1") = "6"
    & skf21("1","2","1","3","7","4","2","1") = "6"
    & skf21("1","2","1","3","7","4","3","1") = "6"
    & skf21("1","2","1","3","7","4","4","1") = "6"
    & skf21("1","2","1","3","7","4","5","1") = "6"
    & skf21("1","2","1","3","7","4","6","1") = "6"
    & skf21("1","2","1","3","7","4","7","1") = "6"
    & skf21("1","2","1","3","7","5","1","1") = "6"
    & skf21("1","2","1","3","7","5","2","1") = "6"
    & skf21("1","2","1","3","7","5","3","1") = "6"
    & skf21("1","2","1","3","7","5","4","1") = "6"
    & skf21("1","2","1","3","7","5","5","1") = "6"
    & skf21("1","2","1","3","7","5","6","1") = "6"
    & skf21("1","2","1","3","7","5","7","1") = "6"
    & skf21("1","2","1","3","7","6","1","1") = "6"
    & skf21("1","2","1","3","7","6","2","1") = "6"
    & skf21("1","2","1","3","7","6","3","1") = "6"
    & skf21("1","2","1","3","7","6","4","1") = "6"
    & skf21("1","2","1","3","7","6","5","1") = "6"
    & skf21("1","2","1","3","7","6","6","1") = "6"
    & skf21("1","2","1","3","7","6","7","1") = "6"
    & skf21("1","2","1","3","7","7","1","1") = "6"
    & skf21("1","2","1","3","7","7","2","1") = "6"
    & skf21("1","2","1","3","7","7","3","1") = "6"
    & skf21("1","2","1","3","7","7","4","1") = "6"
    & skf21("1","2","1","3","7","7","5","1") = "6"
    & skf21("1","2","1","3","7","7","6","1") = "6"
    & skf21("1","2","1","3","7","7","7","1") = "6"
    & skf21("1","2","1","4","1","1","1","1") = "3"
    & skf21("1","2","1","4","1","1","2","1") = "3"
    & skf21("1","2","1","4","1","1","3","1") = "3"
    & skf21("1","2","1","4","1","1","4","1") = "3"
    & skf21("1","2","1","4","1","1","5","1") = "4"
    & skf21("1","2","1","4","1","1","6","1") = "5"
    & skf21("1","2","1","4","1","1","7","1") = "6"
    & skf21("1","2","1","4","1","2","1","1") = "3"
    & skf21("1","2","1","4","1","2","2","1") = "3"
    & skf21("1","2","1","4","1","2","3","1") = "3"
    & skf21("1","2","1","4","1","2","4","1") = "3"
    & skf21("1","2","1","4","1","2","5","1") = "4"
    & skf21("1","2","1","4","1","2","6","1") = "5"
    & skf21("1","2","1","4","1","2","7","1") = "6"
    & skf21("1","2","1","4","1","3","1","1") = "3"
    & skf21("1","2","1","4","1","3","2","1") = "3"
    & skf21("1","2","1","4","1","3","3","1") = "3"
    & skf21("1","2","1","4","1","3","4","1") = "3"
    & skf21("1","2","1","4","1","3","5","1") = "4"
    & skf21("1","2","1","4","1","3","6","1") = "5"
    & skf21("1","2","1","4","1","3","7","1") = "6"
    & skf21("1","2","1","4","1","4","1","1") = "3"
    & skf21("1","2","1","4","1","4","2","1") = "3"
    & skf21("1","2","1","4","1","4","3","1") = "3"
    & skf21("1","2","1","4","1","4","4","1") = "3"
    & skf21("1","2","1","4","1","4","5","1") = "4"
    & skf21("1","2","1","4","1","4","6","1") = "5"
    & skf21("1","2","1","4","1","4","7","1") = "6"
    & skf21("1","2","1","4","1","5","1","1") = "4"
    & skf21("1","2","1","4","1","5","2","1") = "4"
    & skf21("1","2","1","4","1","5","3","1") = "4"
    & skf21("1","2","1","4","1","5","4","1") = "4"
    & skf21("1","2","1","4","1","5","5","1") = "4"
    & skf21("1","2","1","4","1","5","6","1") = "5"
    & skf21("1","2","1","4","1","5","7","1") = "6"
    & skf21("1","2","1","4","1","6","1","1") = "5"
    & skf21("1","2","1","4","1","6","2","1") = "5"
    & skf21("1","2","1","4","1","6","3","1") = "5"
    & skf21("1","2","1","4","1","6","4","1") = "5"
    & skf21("1","2","1","4","1","6","5","1") = "5"
    & skf21("1","2","1","4","1","6","6","1") = "5"
    & skf21("1","2","1","4","1","6","7","1") = "6"
    & skf21("1","2","1","4","1","7","1","1") = "6"
    & skf21("1","2","1","4","1","7","2","1") = "6"
    & skf21("1","2","1","4","1","7","3","1") = "6"
    & skf21("1","2","1","4","1","7","4","1") = "6"
    & skf21("1","2","1","4","1","7","5","1") = "6"
    & skf21("1","2","1","4","1","7","6","1") = "6"
    & skf21("1","2","1","4","1","7","7","1") = "6"
    & skf21("1","2","1","4","2","1","1","1") = "3"
    & skf21("1","2","1","4","2","1","2","1") = "3"
    & skf21("1","2","1","4","2","1","3","1") = "3"
    & skf21("1","2","1","4","2","1","4","1") = "3"
    & skf21("1","2","1","4","2","1","5","1") = "4"
    & skf21("1","2","1","4","2","1","6","1") = "5"
    & skf21("1","2","1","4","2","1","7","1") = "6"
    & skf21("1","2","1","4","2","2","1","1") = "3"
    & skf21("1","2","1","4","2","2","2","1") = "3"
    & skf21("1","2","1","4","2","2","3","1") = "3"
    & skf21("1","2","1","4","2","2","4","1") = "3"
    & skf21("1","2","1","4","2","2","5","1") = "4"
    & skf21("1","2","1","4","2","2","6","1") = "5"
    & skf21("1","2","1","4","2","2","7","1") = "6"
    & skf21("1","2","1","4","2","3","1","1") = "3"
    & skf21("1","2","1","4","2","3","2","1") = "3"
    & skf21("1","2","1","4","2","3","3","1") = "3"
    & skf21("1","2","1","4","2","3","4","1") = "3"
    & skf21("1","2","1","4","2","3","5","1") = "4"
    & skf21("1","2","1","4","2","3","6","1") = "5"
    & skf21("1","2","1","4","2","3","7","1") = "6"
    & skf21("1","2","1","4","2","4","1","1") = "3"
    & skf21("1","2","1","4","2","4","2","1") = "3"
    & skf21("1","2","1","4","2","4","3","1") = "3"
    & skf21("1","2","1","4","2","4","4","1") = "3"
    & skf21("1","2","1","4","2","4","5","1") = "4"
    & skf21("1","2","1","4","2","4","6","1") = "5"
    & skf21("1","2","1","4","2","4","7","1") = "6"
    & skf21("1","2","1","4","2","5","1","1") = "4"
    & skf21("1","2","1","4","2","5","2","1") = "4"
    & skf21("1","2","1","4","2","5","3","1") = "4"
    & skf21("1","2","1","4","2","5","4","1") = "4"
    & skf21("1","2","1","4","2","5","5","1") = "4"
    & skf21("1","2","1","4","2","5","6","1") = "5"
    & skf21("1","2","1","4","2","5","7","1") = "6"
    & skf21("1","2","1","4","2","6","1","1") = "5"
    & skf21("1","2","1","4","2","6","2","1") = "5"
    & skf21("1","2","1","4","2","6","3","1") = "5"
    & skf21("1","2","1","4","2","6","4","1") = "5"
    & skf21("1","2","1","4","2","6","5","1") = "5"
    & skf21("1","2","1","4","2","6","6","1") = "5"
    & skf21("1","2","1","4","2","6","7","1") = "6"
    & skf21("1","2","1","4","2","7","1","1") = "6"
    & skf21("1","2","1","4","2","7","2","1") = "6"
    & skf21("1","2","1","4","2","7","3","1") = "6"
    & skf21("1","2","1","4","2","7","4","1") = "6"
    & skf21("1","2","1","4","2","7","5","1") = "6"
    & skf21("1","2","1","4","2","7","6","1") = "6"
    & skf21("1","2","1","4","2","7","7","1") = "6"
    & skf21("1","2","1","4","3","1","1","1") = "3"
    & skf21("1","2","1","4","3","1","2","1") = "3"
    & skf21("1","2","1","4","3","1","3","1") = "3"
    & skf21("1","2","1","4","3","1","4","1") = "3"
    & skf21("1","2","1","4","3","1","5","1") = "4"
    & skf21("1","2","1","4","3","1","6","1") = "5"
    & skf21("1","2","1","4","3","1","7","1") = "6"
    & skf21("1","2","1","4","3","2","1","1") = "3"
    & skf21("1","2","1","4","3","2","2","1") = "3"
    & skf21("1","2","1","4","3","2","3","1") = "3"
    & skf21("1","2","1","4","3","2","4","1") = "3"
    & skf21("1","2","1","4","3","2","5","1") = "4"
    & skf21("1","2","1","4","3","2","6","1") = "5"
    & skf21("1","2","1","4","3","2","7","1") = "6"
    & skf21("1","2","1","4","3","3","1","1") = "3"
    & skf21("1","2","1","4","3","3","2","1") = "3"
    & skf21("1","2","1","4","3","3","3","1") = "3"
    & skf21("1","2","1","4","3","3","4","1") = "3"
    & skf21("1","2","1","4","3","3","5","1") = "4"
    & skf21("1","2","1","4","3","3","6","1") = "5"
    & skf21("1","2","1","4","3","3","7","1") = "6"
    & skf21("1","2","1","4","3","4","1","1") = "3"
    & skf21("1","2","1","4","3","4","2","1") = "3"
    & skf21("1","2","1","4","3","4","3","1") = "3"
    & skf21("1","2","1","4","3","4","4","1") = "3"
    & skf21("1","2","1","4","3","4","5","1") = "4"
    & skf21("1","2","1","4","3","4","6","1") = "5"
    & skf21("1","2","1","4","3","4","7","1") = "6"
    & skf21("1","2","1","4","3","5","1","1") = "4"
    & skf21("1","2","1","4","3","5","2","1") = "4"
    & skf21("1","2","1","4","3","5","3","1") = "4"
    & skf21("1","2","1","4","3","5","4","1") = "4"
    & skf21("1","2","1","4","3","5","5","1") = "4"
    & skf21("1","2","1","4","3","5","6","1") = "5"
    & skf21("1","2","1","4","3","5","7","1") = "6"
    & skf21("1","2","1","4","3","6","1","1") = "5"
    & skf21("1","2","1","4","3","6","2","1") = "5"
    & skf21("1","2","1","4","3","6","3","1") = "5"
    & skf21("1","2","1","4","3","6","4","1") = "5"
    & skf21("1","2","1","4","3","6","5","1") = "5"
    & skf21("1","2","1","4","3","6","6","1") = "5"
    & skf21("1","2","1","4","3","6","7","1") = "6"
    & skf21("1","2","1","4","3","7","1","1") = "6"
    & skf21("1","2","1","4","3","7","2","1") = "6"
    & skf21("1","2","1","4","3","7","3","1") = "6"
    & skf21("1","2","1","4","3","7","4","1") = "6"
    & skf21("1","2","1","4","3","7","5","1") = "6"
    & skf21("1","2","1","4","3","7","6","1") = "6"
    & skf21("1","2","1","4","3","7","7","1") = "6"
    & skf21("1","2","1","4","4","1","1","1") = "3"
    & skf21("1","2","1","4","4","1","2","1") = "3"
    & skf21("1","2","1","4","4","1","3","1") = "3"
    & skf21("1","2","1","4","4","1","4","1") = "3"
    & skf21("1","2","1","4","4","1","5","1") = "4"
    & skf21("1","2","1","4","4","1","6","1") = "5"
    & skf21("1","2","1","4","4","1","7","1") = "6"
    & skf21("1","2","1","4","4","2","1","1") = "3"
    & skf21("1","2","1","4","4","2","2","1") = "3"
    & skf21("1","2","1","4","4","2","3","1") = "3"
    & skf21("1","2","1","4","4","2","4","1") = "3"
    & skf21("1","2","1","4","4","2","5","1") = "4"
    & skf21("1","2","1","4","4","2","6","1") = "5"
    & skf21("1","2","1","4","4","2","7","1") = "6"
    & skf21("1","2","1","4","4","3","1","1") = "3"
    & skf21("1","2","1","4","4","3","2","1") = "3"
    & skf21("1","2","1","4","4","3","3","1") = "3"
    & skf21("1","2","1","4","4","3","4","1") = "3"
    & skf21("1","2","1","4","4","3","5","1") = "4"
    & skf21("1","2","1","4","4","3","6","1") = "5"
    & skf21("1","2","1","4","4","3","7","1") = "6"
    & skf21("1","2","1","4","4","4","1","1") = "3"
    & skf21("1","2","1","4","4","4","2","1") = "3"
    & skf21("1","2","1","4","4","4","3","1") = "3"
    & skf21("1","2","1","4","4","4","4","1") = "3"
    & skf21("1","2","1","4","4","4","5","1") = "4"
    & skf21("1","2","1","4","4","4","6","1") = "5"
    & skf21("1","2","1","4","4","4","7","1") = "6"
    & skf21("1","2","1","4","4","5","1","1") = "4"
    & skf21("1","2","1","4","4","5","2","1") = "4"
    & skf21("1","2","1","4","4","5","3","1") = "4"
    & skf21("1","2","1","4","4","5","4","1") = "4"
    & skf21("1","2","1","4","4","5","5","1") = "4"
    & skf21("1","2","1","4","4","5","6","1") = "5"
    & skf21("1","2","1","4","4","5","7","1") = "6"
    & skf21("1","2","1","4","4","6","1","1") = "5"
    & skf21("1","2","1","4","4","6","2","1") = "5"
    & skf21("1","2","1","4","4","6","3","1") = "5"
    & skf21("1","2","1","4","4","6","4","1") = "5"
    & skf21("1","2","1","4","4","6","5","1") = "5"
    & skf21("1","2","1","4","4","6","6","1") = "5"
    & skf21("1","2","1","4","4","6","7","1") = "6"
    & skf21("1","2","1","4","4","7","1","1") = "6"
    & skf21("1","2","1","4","4","7","2","1") = "6"
    & skf21("1","2","1","4","4","7","3","1") = "6"
    & skf21("1","2","1","4","4","7","4","1") = "6"
    & skf21("1","2","1","4","4","7","5","1") = "6"
    & skf21("1","2","1","4","4","7","6","1") = "6"
    & skf21("1","2","1","4","4","7","7","1") = "6"
    & skf21("1","2","1","4","5","1","1","1") = "4"
    & skf21("1","2","1","4","5","1","2","1") = "4"
    & skf21("1","2","1","4","5","1","3","1") = "4"
    & skf21("1","2","1","4","5","1","4","1") = "4"
    & skf21("1","2","1","4","5","1","5","1") = "4"
    & skf21("1","2","1","4","5","1","6","1") = "5"
    & skf21("1","2","1","4","5","1","7","1") = "6"
    & skf21("1","2","1","4","5","2","1","1") = "4"
    & skf21("1","2","1","4","5","2","2","1") = "4"
    & skf21("1","2","1","4","5","2","3","1") = "4"
    & skf21("1","2","1","4","5","2","4","1") = "4"
    & skf21("1","2","1","4","5","2","5","1") = "4"
    & skf21("1","2","1","4","5","2","6","1") = "5"
    & skf21("1","2","1","4","5","2","7","1") = "6"
    & skf21("1","2","1","4","5","3","1","1") = "4"
    & skf21("1","2","1","4","5","3","2","1") = "4"
    & skf21("1","2","1","4","5","3","3","1") = "4"
    & skf21("1","2","1","4","5","3","4","1") = "4"
    & skf21("1","2","1","4","5","3","5","1") = "4"
    & skf21("1","2","1","4","5","3","6","1") = "5"
    & skf21("1","2","1","4","5","3","7","1") = "6"
    & skf21("1","2","1","4","5","4","1","1") = "4"
    & skf21("1","2","1","4","5","4","2","1") = "4"
    & skf21("1","2","1","4","5","4","3","1") = "4"
    & skf21("1","2","1","4","5","4","4","1") = "4"
    & skf21("1","2","1","4","5","4","5","1") = "4"
    & skf21("1","2","1","4","5","4","6","1") = "5"
    & skf21("1","2","1","4","5","4","7","1") = "6"
    & skf21("1","2","1","4","5","5","1","1") = "4"
    & skf21("1","2","1","4","5","5","2","1") = "4"
    & skf21("1","2","1","4","5","5","3","1") = "4"
    & skf21("1","2","1","4","5","5","4","1") = "4"
    & skf21("1","2","1","4","5","5","5","1") = "4"
    & skf21("1","2","1","4","5","5","6","1") = "5"
    & skf21("1","2","1","4","5","5","7","1") = "6"
    & skf21("1","2","1","4","5","6","1","1") = "5"
    & skf21("1","2","1","4","5","6","2","1") = "5"
    & skf21("1","2","1","4","5","6","3","1") = "5"
    & skf21("1","2","1","4","5","6","4","1") = "5"
    & skf21("1","2","1","4","5","6","5","1") = "5"
    & skf21("1","2","1","4","5","6","6","1") = "5"
    & skf21("1","2","1","4","5","6","7","1") = "6"
    & skf21("1","2","1","4","5","7","1","1") = "6"
    & skf21("1","2","1","4","5","7","2","1") = "6"
    & skf21("1","2","1","4","5","7","3","1") = "6"
    & skf21("1","2","1","4","5","7","4","1") = "6"
    & skf21("1","2","1","4","5","7","5","1") = "6"
    & skf21("1","2","1","4","5","7","6","1") = "6"
    & skf21("1","2","1","4","5","7","7","1") = "6"
    & skf21("1","2","1","4","6","1","1","1") = "5"
    & skf21("1","2","1","4","6","1","2","1") = "5"
    & skf21("1","2","1","4","6","1","3","1") = "5"
    & skf21("1","2","1","4","6","1","4","1") = "5"
    & skf21("1","2","1","4","6","1","5","1") = "5"
    & skf21("1","2","1","4","6","1","6","1") = "5"
    & skf21("1","2","1","4","6","1","7","1") = "6"
    & skf21("1","2","1","4","6","2","1","1") = "5"
    & skf21("1","2","1","4","6","2","2","1") = "5"
    & skf21("1","2","1","4","6","2","3","1") = "5"
    & skf21("1","2","1","4","6","2","4","1") = "5"
    & skf21("1","2","1","4","6","2","5","1") = "5"
    & skf21("1","2","1","4","6","2","6","1") = "5"
    & skf21("1","2","1","4","6","2","7","1") = "6"
    & skf21("1","2","1","4","6","3","1","1") = "5"
    & skf21("1","2","1","4","6","3","2","1") = "5"
    & skf21("1","2","1","4","6","3","3","1") = "5"
    & skf21("1","2","1","4","6","3","4","1") = "5"
    & skf21("1","2","1","4","6","3","5","1") = "5"
    & skf21("1","2","1","4","6","3","6","1") = "5"
    & skf21("1","2","1","4","6","3","7","1") = "6"
    & skf21("1","2","1","4","6","4","1","1") = "5"
    & skf21("1","2","1","4","6","4","2","1") = "5"
    & skf21("1","2","1","4","6","4","3","1") = "5"
    & skf21("1","2","1","4","6","4","4","1") = "5"
    & skf21("1","2","1","4","6","4","5","1") = "5"
    & skf21("1","2","1","4","6","4","6","1") = "5"
    & skf21("1","2","1","4","6","4","7","1") = "6"
    & skf21("1","2","1","4","6","5","1","1") = "5"
    & skf21("1","2","1","4","6","5","2","1") = "5"
    & skf21("1","2","1","4","6","5","3","1") = "5"
    & skf21("1","2","1","4","6","5","4","1") = "5"
    & skf21("1","2","1","4","6","5","5","1") = "5"
    & skf21("1","2","1","4","6","5","6","1") = "5"
    & skf21("1","2","1","4","6","5","7","1") = "6"
    & skf21("1","2","1","4","6","6","1","1") = "5"
    & skf21("1","2","1","4","6","6","2","1") = "5"
    & skf21("1","2","1","4","6","6","3","1") = "5"
    & skf21("1","2","1","4","6","6","4","1") = "5"
    & skf21("1","2","1","4","6","6","5","1") = "5"
    & skf21("1","2","1","4","6","6","6","1") = "5"
    & skf21("1","2","1","4","6","6","7","1") = "6"
    & skf21("1","2","1","4","6","7","1","1") = "6"
    & skf21("1","2","1","4","6","7","2","1") = "6"
    & skf21("1","2","1","4","6","7","3","1") = "6"
    & skf21("1","2","1","4","6","7","4","1") = "6"
    & skf21("1","2","1","4","6","7","5","1") = "6"
    & skf21("1","2","1","4","6","7","6","1") = "6"
    & skf21("1","2","1","4","6","7","7","1") = "6"
    & skf21("1","2","1","4","7","1","1","1") = "6"
    & skf21("1","2","1","4","7","1","2","1") = "6"
    & skf21("1","2","1","4","7","1","3","1") = "6"
    & skf21("1","2","1","4","7","1","4","1") = "6"
    & skf21("1","2","1","4","7","1","5","1") = "6"
    & skf21("1","2","1","4","7","1","6","1") = "6"
    & skf21("1","2","1","4","7","1","7","1") = "6"
    & skf21("1","2","1","4","7","2","1","1") = "6"
    & skf21("1","2","1","4","7","2","2","1") = "6"
    & skf21("1","2","1","4","7","2","3","1") = "6"
    & skf21("1","2","1","4","7","2","4","1") = "6"
    & skf21("1","2","1","4","7","2","5","1") = "6"
    & skf21("1","2","1","4","7","2","6","1") = "6"
    & skf21("1","2","1","4","7","2","7","1") = "6"
    & skf21("1","2","1","4","7","3","1","1") = "6"
    & skf21("1","2","1","4","7","3","2","1") = "6"
    & skf21("1","2","1","4","7","3","3","1") = "6"
    & skf21("1","2","1","4","7","3","4","1") = "6"
    & skf21("1","2","1","4","7","3","5","1") = "6"
    & skf21("1","2","1","4","7","3","6","1") = "6"
    & skf21("1","2","1","4","7","3","7","1") = "6"
    & skf21("1","2","1","4","7","4","1","1") = "6"
    & skf21("1","2","1","4","7","4","2","1") = "6"
    & skf21("1","2","1","4","7","4","3","1") = "6"
    & skf21("1","2","1","4","7","4","4","1") = "6"
    & skf21("1","2","1","4","7","4","5","1") = "6"
    & skf21("1","2","1","4","7","4","6","1") = "6"
    & skf21("1","2","1","4","7","4","7","1") = "6"
    & skf21("1","2","1","4","7","5","1","1") = "6"
    & skf21("1","2","1","4","7","5","2","1") = "6"
    & skf21("1","2","1","4","7","5","3","1") = "6"
    & skf21("1","2","1","4","7","5","4","1") = "6"
    & skf21("1","2","1","4","7","5","5","1") = "6"
    & skf21("1","2","1","4","7","5","6","1") = "6"
    & skf21("1","2","1","4","7","5","7","1") = "6"
    & skf21("1","2","1","4","7","6","1","1") = "6"
    & skf21("1","2","1","4","7","6","2","1") = "6"
    & skf21("1","2","1","4","7","6","3","1") = "6"
    & skf21("1","2","1","4","7","6","4","1") = "6"
    & skf21("1","2","1","4","7","6","5","1") = "6"
    & skf21("1","2","1","4","7","6","6","1") = "6"
    & skf21("1","2","1","4","7","6","7","1") = "6"
    & skf21("1","2","1","4","7","7","1","1") = "6"
    & skf21("1","2","1","4","7","7","2","1") = "6"
    & skf21("1","2","1","4","7","7","3","1") = "6"
    & skf21("1","2","1","4","7","7","4","1") = "6"
    & skf21("1","2","1","4","7","7","5","1") = "6"
    & skf21("1","2","1","4","7","7","6","1") = "6"
    & skf21("1","2","1","4","7","7","7","1") = "6"
    & skf21("1","2","1","5","1","1","1","1") = "4"
    & skf21("1","2","1","5","1","1","2","1") = "4"
    & skf21("1","2","1","5","1","1","3","1") = "4"
    & skf21("1","2","1","5","1","1","4","1") = "4"
    & skf21("1","2","1","5","1","1","5","1") = "4"
    & skf21("1","2","1","5","1","1","6","1") = "5"
    & skf21("1","2","1","5","1","1","7","1") = "6"
    & skf21("1","2","1","5","1","2","1","1") = "4"
    & skf21("1","2","1","5","1","2","2","1") = "4"
    & skf21("1","2","1","5","1","2","3","1") = "4"
    & skf21("1","2","1","5","1","2","4","1") = "4"
    & skf21("1","2","1","5","1","2","5","1") = "4"
    & skf21("1","2","1","5","1","2","6","1") = "5"
    & skf21("1","2","1","5","1","2","7","1") = "6"
    & skf21("1","2","1","5","1","3","1","1") = "4"
    & skf21("1","2","1","5","1","3","2","1") = "4"
    & skf21("1","2","1","5","1","3","3","1") = "4"
    & skf21("1","2","1","5","1","3","4","1") = "4"
    & skf21("1","2","1","5","1","3","5","1") = "4"
    & skf21("1","2","1","5","1","3","6","1") = "5"
    & skf21("1","2","1","5","1","3","7","1") = "6"
    & skf21("1","2","1","5","1","4","1","1") = "4"
    & skf21("1","2","1","5","1","4","2","1") = "4"
    & skf21("1","2","1","5","1","4","3","1") = "4"
    & skf21("1","2","1","5","1","4","4","1") = "4"
    & skf21("1","2","1","5","1","4","5","1") = "4"
    & skf21("1","2","1","5","1","4","6","1") = "5"
    & skf21("1","2","1","5","1","4","7","1") = "6"
    & skf21("1","2","1","5","1","5","1","1") = "4"
    & skf21("1","2","1","5","1","5","2","1") = "4"
    & skf21("1","2","1","5","1","5","3","1") = "4"
    & skf21("1","2","1","5","1","5","4","1") = "4"
    & skf21("1","2","1","5","1","5","5","1") = "4"
    & skf21("1","2","1","5","1","5","6","1") = "5"
    & skf21("1","2","1","5","1","5","7","1") = "6"
    & skf21("1","2","1","5","1","6","1","1") = "5"
    & skf21("1","2","1","5","1","6","2","1") = "5"
    & skf21("1","2","1","5","1","6","3","1") = "5"
    & skf21("1","2","1","5","1","6","4","1") = "5"
    & skf21("1","2","1","5","1","6","5","1") = "5"
    & skf21("1","2","1","5","1","6","6","1") = "5"
    & skf21("1","2","1","5","1","6","7","1") = "6"
    & skf21("1","2","1","5","1","7","1","1") = "6"
    & skf21("1","2","1","5","1","7","2","1") = "6"
    & skf21("1","2","1","5","1","7","3","1") = "6"
    & skf21("1","2","1","5","1","7","4","1") = "6"
    & skf21("1","2","1","5","1","7","5","1") = "6"
    & skf21("1","2","1","5","1","7","6","1") = "6"
    & skf21("1","2","1","5","1","7","7","1") = "6"
    & skf21("1","2","1","5","2","1","1","1") = "4"
    & skf21("1","2","1","5","2","1","2","1") = "4"
    & skf21("1","2","1","5","2","1","3","1") = "4"
    & skf21("1","2","1","5","2","1","4","1") = "4"
    & skf21("1","2","1","5","2","1","5","1") = "4"
    & skf21("1","2","1","5","2","1","6","1") = "5"
    & skf21("1","2","1","5","2","1","7","1") = "6"
    & skf21("1","2","1","5","2","2","1","1") = "4"
    & skf21("1","2","1","5","2","2","2","1") = "4"
    & skf21("1","2","1","5","2","2","3","1") = "4"
    & skf21("1","2","1","5","2","2","4","1") = "4"
    & skf21("1","2","1","5","2","2","5","1") = "4"
    & skf21("1","2","1","5","2","2","6","1") = "5"
    & skf21("1","2","1","5","2","2","7","1") = "6"
    & skf21("1","2","1","5","2","3","1","1") = "4"
    & skf21("1","2","1","5","2","3","2","1") = "4"
    & skf21("1","2","1","5","2","3","3","1") = "4"
    & skf21("1","2","1","5","2","3","4","1") = "4"
    & skf21("1","2","1","5","2","3","5","1") = "4"
    & skf21("1","2","1","5","2","3","6","1") = "5"
    & skf21("1","2","1","5","2","3","7","1") = "6"
    & skf21("1","2","1","5","2","4","1","1") = "4"
    & skf21("1","2","1","5","2","4","2","1") = "4"
    & skf21("1","2","1","5","2","4","3","1") = "4"
    & skf21("1","2","1","5","2","4","4","1") = "4"
    & skf21("1","2","1","5","2","4","5","1") = "4"
    & skf21("1","2","1","5","2","4","6","1") = "5"
    & skf21("1","2","1","5","2","4","7","1") = "6"
    & skf21("1","2","1","5","2","5","1","1") = "4"
    & skf21("1","2","1","5","2","5","2","1") = "4"
    & skf21("1","2","1","5","2","5","3","1") = "4"
    & skf21("1","2","1","5","2","5","4","1") = "4"
    & skf21("1","2","1","5","2","5","5","1") = "4"
    & skf21("1","2","1","5","2","5","6","1") = "5"
    & skf21("1","2","1","5","2","5","7","1") = "6"
    & skf21("1","2","1","5","2","6","1","1") = "5"
    & skf21("1","2","1","5","2","6","2","1") = "5"
    & skf21("1","2","1","5","2","6","3","1") = "5"
    & skf21("1","2","1","5","2","6","4","1") = "5"
    & skf21("1","2","1","5","2","6","5","1") = "5"
    & skf21("1","2","1","5","2","6","6","1") = "5"
    & skf21("1","2","1","5","2","6","7","1") = "6"
    & skf21("1","2","1","5","2","7","1","1") = "6"
    & skf21("1","2","1","5","2","7","2","1") = "6"
    & skf21("1","2","1","5","2","7","3","1") = "6"
    & skf21("1","2","1","5","2","7","4","1") = "6"
    & skf21("1","2","1","5","2","7","5","1") = "6"
    & skf21("1","2","1","5","2","7","6","1") = "6"
    & skf21("1","2","1","5","2","7","7","1") = "6"
    & skf21("1","2","1","5","3","1","1","1") = "4"
    & skf21("1","2","1","5","3","1","2","1") = "4"
    & skf21("1","2","1","5","3","1","3","1") = "4"
    & skf21("1","2","1","5","3","1","4","1") = "4"
    & skf21("1","2","1","5","3","1","5","1") = "4"
    & skf21("1","2","1","5","3","1","6","1") = "5"
    & skf21("1","2","1","5","3","1","7","1") = "6"
    & skf21("1","2","1","5","3","2","1","1") = "4"
    & skf21("1","2","1","5","3","2","2","1") = "4"
    & skf21("1","2","1","5","3","2","3","1") = "4"
    & skf21("1","2","1","5","3","2","4","1") = "4"
    & skf21("1","2","1","5","3","2","5","1") = "4"
    & skf21("1","2","1","5","3","2","6","1") = "5"
    & skf21("1","2","1","5","3","2","7","1") = "6"
    & skf21("1","2","1","5","3","3","1","1") = "4"
    & skf21("1","2","1","5","3","3","2","1") = "4"
    & skf21("1","2","1","5","3","3","3","1") = "4"
    & skf21("1","2","1","5","3","3","4","1") = "4"
    & skf21("1","2","1","5","3","3","5","1") = "4"
    & skf21("1","2","1","5","3","3","6","1") = "5"
    & skf21("1","2","1","5","3","3","7","1") = "6"
    & skf21("1","2","1","5","3","4","1","1") = "4"
    & skf21("1","2","1","5","3","4","2","1") = "4"
    & skf21("1","2","1","5","3","4","3","1") = "4"
    & skf21("1","2","1","5","3","4","4","1") = "4"
    & skf21("1","2","1","5","3","4","5","1") = "4"
    & skf21("1","2","1","5","3","4","6","1") = "5"
    & skf21("1","2","1","5","3","4","7","1") = "6"
    & skf21("1","2","1","5","3","5","1","1") = "4"
    & skf21("1","2","1","5","3","5","2","1") = "4"
    & skf21("1","2","1","5","3","5","3","1") = "4"
    & skf21("1","2","1","5","3","5","4","1") = "4"
    & skf21("1","2","1","5","3","5","5","1") = "4"
    & skf21("1","2","1","5","3","5","6","1") = "5"
    & skf21("1","2","1","5","3","5","7","1") = "6"
    & skf21("1","2","1","5","3","6","1","1") = "5"
    & skf21("1","2","1","5","3","6","2","1") = "5"
    & skf21("1","2","1","5","3","6","3","1") = "5"
    & skf21("1","2","1","5","3","6","4","1") = "5"
    & skf21("1","2","1","5","3","6","5","1") = "5"
    & skf21("1","2","1","5","3","6","6","1") = "5"
    & skf21("1","2","1","5","3","6","7","1") = "6"
    & skf21("1","2","1","5","3","7","1","1") = "6"
    & skf21("1","2","1","5","3","7","2","1") = "6"
    & skf21("1","2","1","5","3","7","3","1") = "6"
    & skf21("1","2","1","5","3","7","4","1") = "6"
    & skf21("1","2","1","5","3","7","5","1") = "6"
    & skf21("1","2","1","5","3","7","6","1") = "6"
    & skf21("1","2","1","5","3","7","7","1") = "6"
    & skf21("1","2","1","5","4","1","1","1") = "4"
    & skf21("1","2","1","5","4","1","2","1") = "4"
    & skf21("1","2","1","5","4","1","3","1") = "4"
    & skf21("1","2","1","5","4","1","4","1") = "4"
    & skf21("1","2","1","5","4","1","5","1") = "4"
    & skf21("1","2","1","5","4","1","6","1") = "5"
    & skf21("1","2","1","5","4","1","7","1") = "6"
    & skf21("1","2","1","5","4","2","1","1") = "4"
    & skf21("1","2","1","5","4","2","2","1") = "4"
    & skf21("1","2","1","5","4","2","3","1") = "4"
    & skf21("1","2","1","5","4","2","4","1") = "4"
    & skf21("1","2","1","5","4","2","5","1") = "4"
    & skf21("1","2","1","5","4","2","6","1") = "5"
    & skf21("1","2","1","5","4","2","7","1") = "6"
    & skf21("1","2","1","5","4","3","1","1") = "4"
    & skf21("1","2","1","5","4","3","2","1") = "4"
    & skf21("1","2","1","5","4","3","3","1") = "4"
    & skf21("1","2","1","5","4","3","4","1") = "4"
    & skf21("1","2","1","5","4","3","5","1") = "4"
    & skf21("1","2","1","5","4","3","6","1") = "5"
    & skf21("1","2","1","5","4","3","7","1") = "6"
    & skf21("1","2","1","5","4","4","1","1") = "4"
    & skf21("1","2","1","5","4","4","2","1") = "4"
    & skf21("1","2","1","5","4","4","3","1") = "4"
    & skf21("1","2","1","5","4","4","4","1") = "4"
    & skf21("1","2","1","5","4","4","5","1") = "4"
    & skf21("1","2","1","5","4","4","6","1") = "5"
    & skf21("1","2","1","5","4","4","7","1") = "6"
    & skf21("1","2","1","5","4","5","1","1") = "4"
    & skf21("1","2","1","5","4","5","2","1") = "4"
    & skf21("1","2","1","5","4","5","3","1") = "4"
    & skf21("1","2","1","5","4","5","4","1") = "4"
    & skf21("1","2","1","5","4","5","5","1") = "4"
    & skf21("1","2","1","5","4","5","6","1") = "5"
    & skf21("1","2","1","5","4","5","7","1") = "6"
    & skf21("1","2","1","5","4","6","1","1") = "5"
    & skf21("1","2","1","5","4","6","2","1") = "5"
    & skf21("1","2","1","5","4","6","3","1") = "5"
    & skf21("1","2","1","5","4","6","4","1") = "5"
    & skf21("1","2","1","5","4","6","5","1") = "5"
    & skf21("1","2","1","5","4","6","6","1") = "5"
    & skf21("1","2","1","5","4","6","7","1") = "6"
    & skf21("1","2","1","5","4","7","1","1") = "6"
    & skf21("1","2","1","5","4","7","2","1") = "6"
    & skf21("1","2","1","5","4","7","3","1") = "6"
    & skf21("1","2","1","5","4","7","4","1") = "6"
    & skf21("1","2","1","5","4","7","5","1") = "6"
    & skf21("1","2","1","5","4","7","6","1") = "6"
    & skf21("1","2","1","5","4","7","7","1") = "6"
    & skf21("1","2","1","5","5","1","1","1") = "4"
    & skf21("1","2","1","5","5","1","2","1") = "4"
    & skf21("1","2","1","5","5","1","3","1") = "4"
    & skf21("1","2","1","5","5","1","4","1") = "4"
    & skf21("1","2","1","5","5","1","5","1") = "4"
    & skf21("1","2","1","5","5","1","6","1") = "5"
    & skf21("1","2","1","5","5","1","7","1") = "6"
    & skf21("1","2","1","5","5","2","1","1") = "4"
    & skf21("1","2","1","5","5","2","2","1") = "4"
    & skf21("1","2","1","5","5","2","3","1") = "4"
    & skf21("1","2","1","5","5","2","4","1") = "4"
    & skf21("1","2","1","5","5","2","5","1") = "4"
    & skf21("1","2","1","5","5","2","6","1") = "5"
    & skf21("1","2","1","5","5","2","7","1") = "6"
    & skf21("1","2","1","5","5","3","1","1") = "4"
    & skf21("1","2","1","5","5","3","2","1") = "4"
    & skf21("1","2","1","5","5","3","3","1") = "4"
    & skf21("1","2","1","5","5","3","4","1") = "4"
    & skf21("1","2","1","5","5","3","5","1") = "4"
    & skf21("1","2","1","5","5","3","6","1") = "5"
    & skf21("1","2","1","5","5","3","7","1") = "6"
    & skf21("1","2","1","5","5","4","1","1") = "4"
    & skf21("1","2","1","5","5","4","2","1") = "4"
    & skf21("1","2","1","5","5","4","3","1") = "4"
    & skf21("1","2","1","5","5","4","4","1") = "4"
    & skf21("1","2","1","5","5","4","5","1") = "4"
    & skf21("1","2","1","5","5","4","6","1") = "5"
    & skf21("1","2","1","5","5","4","7","1") = "6"
    & skf21("1","2","1","5","5","5","1","1") = "4"
    & skf21("1","2","1","5","5","5","2","1") = "4"
    & skf21("1","2","1","5","5","5","3","1") = "4"
    & skf21("1","2","1","5","5","5","4","1") = "4"
    & skf21("1","2","1","5","5","5","5","1") = "4"
    & skf21("1","2","1","5","5","5","6","1") = "5"
    & skf21("1","2","1","5","5","5","7","1") = "6"
    & skf21("1","2","1","5","5","6","1","1") = "5"
    & skf21("1","2","1","5","5","6","2","1") = "5"
    & skf21("1","2","1","5","5","6","3","1") = "5"
    & skf21("1","2","1","5","5","6","4","1") = "5"
    & skf21("1","2","1","5","5","6","5","1") = "5"
    & skf21("1","2","1","5","5","6","6","1") = "5"
    & skf21("1","2","1","5","5","6","7","1") = "6"
    & skf21("1","2","1","5","5","7","1","1") = "6"
    & skf21("1","2","1","5","5","7","2","1") = "6"
    & skf21("1","2","1","5","5","7","3","1") = "6"
    & skf21("1","2","1","5","5","7","4","1") = "6"
    & skf21("1","2","1","5","5","7","5","1") = "6"
    & skf21("1","2","1","5","5","7","6","1") = "6"
    & skf21("1","2","1","5","5","7","7","1") = "6"
    & skf21("1","2","1","5","6","1","1","1") = "5"
    & skf21("1","2","1","5","6","1","2","1") = "5"
    & skf21("1","2","1","5","6","1","3","1") = "5"
    & skf21("1","2","1","5","6","1","4","1") = "5"
    & skf21("1","2","1","5","6","1","5","1") = "5"
    & skf21("1","2","1","5","6","1","6","1") = "5"
    & skf21("1","2","1","5","6","1","7","1") = "6"
    & skf21("1","2","1","5","6","2","1","1") = "5"
    & skf21("1","2","1","5","6","2","2","1") = "5"
    & skf21("1","2","1","5","6","2","3","1") = "5"
    & skf21("1","2","1","5","6","2","4","1") = "5"
    & skf21("1","2","1","5","6","2","5","1") = "5"
    & skf21("1","2","1","5","6","2","6","1") = "5"
    & skf21("1","2","1","5","6","2","7","1") = "6"
    & skf21("1","2","1","5","6","3","1","1") = "5"
    & skf21("1","2","1","5","6","3","2","1") = "5"
    & skf21("1","2","1","5","6","3","3","1") = "5"
    & skf21("1","2","1","5","6","3","4","1") = "5"
    & skf21("1","2","1","5","6","3","5","1") = "5"
    & skf21("1","2","1","5","6","3","6","1") = "5"
    & skf21("1","2","1","5","6","3","7","1") = "6"
    & skf21("1","2","1","5","6","4","1","1") = "5"
    & skf21("1","2","1","5","6","4","2","1") = "5"
    & skf21("1","2","1","5","6","4","3","1") = "5"
    & skf21("1","2","1","5","6","4","4","1") = "5"
    & skf21("1","2","1","5","6","4","5","1") = "5"
    & skf21("1","2","1","5","6","4","6","1") = "5"
    & skf21("1","2","1","5","6","4","7","1") = "6"
    & skf21("1","2","1","5","6","5","1","1") = "5"
    & skf21("1","2","1","5","6","5","2","1") = "5"
    & skf21("1","2","1","5","6","5","3","1") = "5"
    & skf21("1","2","1","5","6","5","4","1") = "5"
    & skf21("1","2","1","5","6","5","5","1") = "5"
    & skf21("1","2","1","5","6","5","6","1") = "5"
    & skf21("1","2","1","5","6","5","7","1") = "6"
    & skf21("1","2","1","5","6","6","1","1") = "5"
    & skf21("1","2","1","5","6","6","2","1") = "5"
    & skf21("1","2","1","5","6","6","3","1") = "5"
    & skf21("1","2","1","5","6","6","4","1") = "5"
    & skf21("1","2","1","5","6","6","5","1") = "5"
    & skf21("1","2","1","5","6","6","6","1") = "5"
    & skf21("1","2","1","5","6","6","7","1") = "6"
    & skf21("1","2","1","5","6","7","1","1") = "6"
    & skf21("1","2","1","5","6","7","2","1") = "6"
    & skf21("1","2","1","5","6","7","3","1") = "6"
    & skf21("1","2","1","5","6","7","4","1") = "6"
    & skf21("1","2","1","5","6","7","5","1") = "6"
    & skf21("1","2","1","5","6","7","6","1") = "6"
    & skf21("1","2","1","5","6","7","7","1") = "6"
    & skf21("1","2","1","5","7","1","1","1") = "6"
    & skf21("1","2","1","5","7","1","2","1") = "6"
    & skf21("1","2","1","5","7","1","3","1") = "6"
    & skf21("1","2","1","5","7","1","4","1") = "6"
    & skf21("1","2","1","5","7","1","5","1") = "6"
    & skf21("1","2","1","5","7","1","6","1") = "6"
    & skf21("1","2","1","5","7","1","7","1") = "6"
    & skf21("1","2","1","5","7","2","1","1") = "6"
    & skf21("1","2","1","5","7","2","2","1") = "6"
    & skf21("1","2","1","5","7","2","3","1") = "6"
    & skf21("1","2","1","5","7","2","4","1") = "6"
    & skf21("1","2","1","5","7","2","5","1") = "6"
    & skf21("1","2","1","5","7","2","6","1") = "6"
    & skf21("1","2","1","5","7","2","7","1") = "6"
    & skf21("1","2","1","5","7","3","1","1") = "6"
    & skf21("1","2","1","5","7","3","2","1") = "6"
    & skf21("1","2","1","5","7","3","3","1") = "6"
    & skf21("1","2","1","5","7","3","4","1") = "6"
    & skf21("1","2","1","5","7","3","5","1") = "6"
    & skf21("1","2","1","5","7","3","6","1") = "6"
    & skf21("1","2","1","5","7","3","7","1") = "6"
    & skf21("1","2","1","5","7","4","1","1") = "6"
    & skf21("1","2","1","5","7","4","2","1") = "6"
    & skf21("1","2","1","5","7","4","3","1") = "6"
    & skf21("1","2","1","5","7","4","4","1") = "6"
    & skf21("1","2","1","5","7","4","5","1") = "6"
    & skf21("1","2","1","5","7","4","6","1") = "6"
    & skf21("1","2","1","5","7","4","7","1") = "6"
    & skf21("1","2","1","5","7","5","1","1") = "6"
    & skf21("1","2","1","5","7","5","2","1") = "6"
    & skf21("1","2","1","5","7","5","3","1") = "6"
    & skf21("1","2","1","5","7","5","4","1") = "6"
    & skf21("1","2","1","5","7","5","5","1") = "6"
    & skf21("1","2","1","5","7","5","6","1") = "6"
    & skf21("1","2","1","5","7","5","7","1") = "6"
    & skf21("1","2","1","5","7","6","1","1") = "6"
    & skf21("1","2","1","5","7","6","2","1") = "6"
    & skf21("1","2","1","5","7","6","3","1") = "6"
    & skf21("1","2","1","5","7","6","4","1") = "6"
    & skf21("1","2","1","5","7","6","5","1") = "6"
    & skf21("1","2","1","5","7","6","6","1") = "6"
    & skf21("1","2","1","5","7","6","7","1") = "6"
    & skf21("1","2","1","5","7","7","1","1") = "6"
    & skf21("1","2","1","5","7","7","2","1") = "6"
    & skf21("1","2","1","5","7","7","3","1") = "6"
    & skf21("1","2","1","5","7","7","4","1") = "6"
    & skf21("1","2","1","5","7","7","5","1") = "6"
    & skf21("1","2","1","5","7","7","6","1") = "6"
    & skf21("1","2","1","5","7","7","7","1") = "6"
    & skf21("1","2","1","6","1","1","1","1") = "5"
    & skf21("1","2","1","6","1","1","2","1") = "5"
    & skf21("1","2","1","6","1","1","3","1") = "5"
    & skf21("1","2","1","6","1","1","4","1") = "5"
    & skf21("1","2","1","6","1","1","5","1") = "5"
    & skf21("1","2","1","6","1","1","6","1") = "5"
    & skf21("1","2","1","6","1","1","7","1") = "6"
    & skf21("1","2","1","6","1","2","1","1") = "5"
    & skf21("1","2","1","6","1","2","2","1") = "5"
    & skf21("1","2","1","6","1","2","3","1") = "5"
    & skf21("1","2","1","6","1","2","4","1") = "5"
    & skf21("1","2","1","6","1","2","5","1") = "5"
    & skf21("1","2","1","6","1","2","6","1") = "5"
    & skf21("1","2","1","6","1","2","7","1") = "6"
    & skf21("1","2","1","6","1","3","1","1") = "5"
    & skf21("1","2","1","6","1","3","2","1") = "5"
    & skf21("1","2","1","6","1","3","3","1") = "5"
    & skf21("1","2","1","6","1","3","4","1") = "5"
    & skf21("1","2","1","6","1","3","5","1") = "5"
    & skf21("1","2","1","6","1","3","6","1") = "5"
    & skf21("1","2","1","6","1","3","7","1") = "6"
    & skf21("1","2","1","6","1","4","1","1") = "5"
    & skf21("1","2","1","6","1","4","2","1") = "5"
    & skf21("1","2","1","6","1","4","3","1") = "5"
    & skf21("1","2","1","6","1","4","4","1") = "5"
    & skf21("1","2","1","6","1","4","5","1") = "5"
    & skf21("1","2","1","6","1","4","6","1") = "5"
    & skf21("1","2","1","6","1","4","7","1") = "6"
    & skf21("1","2","1","6","1","5","1","1") = "5"
    & skf21("1","2","1","6","1","5","2","1") = "5"
    & skf21("1","2","1","6","1","5","3","1") = "5"
    & skf21("1","2","1","6","1","5","4","1") = "5"
    & skf21("1","2","1","6","1","5","5","1") = "5"
    & skf21("1","2","1","6","1","5","6","1") = "5"
    & skf21("1","2","1","6","1","5","7","1") = "6"
    & skf21("1","2","1","6","1","6","1","1") = "5"
    & skf21("1","2","1","6","1","6","2","1") = "5"
    & skf21("1","2","1","6","1","6","3","1") = "5"
    & skf21("1","2","1","6","1","6","4","1") = "5"
    & skf21("1","2","1","6","1","6","5","1") = "5"
    & skf21("1","2","1","6","1","6","6","1") = "5"
    & skf21("1","2","1","6","1","6","7","1") = "6"
    & skf21("1","2","1","6","1","7","1","1") = "6"
    & skf21("1","2","1","6","1","7","2","1") = "6"
    & skf21("1","2","1","6","1","7","3","1") = "6"
    & skf21("1","2","1","6","1","7","4","1") = "6"
    & skf21("1","2","1","6","1","7","5","1") = "6"
    & skf21("1","2","1","6","1","7","6","1") = "6"
    & skf21("1","2","1","6","1","7","7","1") = "6"
    & skf21("1","2","1","6","2","1","1","1") = "5"
    & skf21("1","2","1","6","2","1","2","1") = "5"
    & skf21("1","2","1","6","2","1","3","1") = "5"
    & skf21("1","2","1","6","2","1","4","1") = "5"
    & skf21("1","2","1","6","2","1","5","1") = "5"
    & skf21("1","2","1","6","2","1","6","1") = "5"
    & skf21("1","2","1","6","2","1","7","1") = "6"
    & skf21("1","2","1","6","2","2","1","1") = "5"
    & skf21("1","2","1","6","2","2","2","1") = "5"
    & skf21("1","2","1","6","2","2","3","1") = "5"
    & skf21("1","2","1","6","2","2","4","1") = "5"
    & skf21("1","2","1","6","2","2","5","1") = "5"
    & skf21("1","2","1","6","2","2","6","1") = "5"
    & skf21("1","2","1","6","2","2","7","1") = "6"
    & skf21("1","2","1","6","2","3","1","1") = "5"
    & skf21("1","2","1","6","2","3","2","1") = "5"
    & skf21("1","2","1","6","2","3","3","1") = "5"
    & skf21("1","2","1","6","2","3","4","1") = "5"
    & skf21("1","2","1","6","2","3","5","1") = "5"
    & skf21("1","2","1","6","2","3","6","1") = "5"
    & skf21("1","2","1","6","2","3","7","1") = "6"
    & skf21("1","2","1","6","2","4","1","1") = "5"
    & skf21("1","2","1","6","2","4","2","1") = "5"
    & skf21("1","2","1","6","2","4","3","1") = "5"
    & skf21("1","2","1","6","2","4","4","1") = "5"
    & skf21("1","2","1","6","2","4","5","1") = "5"
    & skf21("1","2","1","6","2","4","6","1") = "5"
    & skf21("1","2","1","6","2","4","7","1") = "6"
    & skf21("1","2","1","6","2","5","1","1") = "5"
    & skf21("1","2","1","6","2","5","2","1") = "5"
    & skf21("1","2","1","6","2","5","3","1") = "5"
    & skf21("1","2","1","6","2","5","4","1") = "5"
    & skf21("1","2","1","6","2","5","5","1") = "5"
    & skf21("1","2","1","6","2","5","6","1") = "5"
    & skf21("1","2","1","6","2","5","7","1") = "6"
    & skf21("1","2","1","6","2","6","1","1") = "5"
    & skf21("1","2","1","6","2","6","2","1") = "5"
    & skf21("1","2","1","6","2","6","3","1") = "5"
    & skf21("1","2","1","6","2","6","4","1") = "5"
    & skf21("1","2","1","6","2","6","5","1") = "5"
    & skf21("1","2","1","6","2","6","6","1") = "5"
    & skf21("1","2","1","6","2","6","7","1") = "6"
    & skf21("1","2","1","6","2","7","1","1") = "6"
    & skf21("1","2","1","6","2","7","2","1") = "6"
    & skf21("1","2","1","6","2","7","3","1") = "6"
    & skf21("1","2","1","6","2","7","4","1") = "6"
    & skf21("1","2","1","6","2","7","5","1") = "6"
    & skf21("1","2","1","6","2","7","6","1") = "6"
    & skf21("1","2","1","6","2","7","7","1") = "6"
    & skf21("1","2","1","6","3","1","1","1") = "5"
    & skf21("1","2","1","6","3","1","2","1") = "5"
    & skf21("1","2","1","6","3","1","3","1") = "5"
    & skf21("1","2","1","6","3","1","4","1") = "5"
    & skf21("1","2","1","6","3","1","5","1") = "5"
    & skf21("1","2","1","6","3","1","6","1") = "5"
    & skf21("1","2","1","6","3","1","7","1") = "6"
    & skf21("1","2","1","6","3","2","1","1") = "5"
    & skf21("1","2","1","6","3","2","2","1") = "5"
    & skf21("1","2","1","6","3","2","3","1") = "5"
    & skf21("1","2","1","6","3","2","4","1") = "5"
    & skf21("1","2","1","6","3","2","5","1") = "5"
    & skf21("1","2","1","6","3","2","6","1") = "5"
    & skf21("1","2","1","6","3","2","7","1") = "6"
    & skf21("1","2","1","6","3","3","1","1") = "5"
    & skf21("1","2","1","6","3","3","2","1") = "5"
    & skf21("1","2","1","6","3","3","3","1") = "5"
    & skf21("1","2","1","6","3","3","4","1") = "5"
    & skf21("1","2","1","6","3","3","5","1") = "5"
    & skf21("1","2","1","6","3","3","6","1") = "5"
    & skf21("1","2","1","6","3","3","7","1") = "6"
    & skf21("1","2","1","6","3","4","1","1") = "5"
    & skf21("1","2","1","6","3","4","2","1") = "5"
    & skf21("1","2","1","6","3","4","3","1") = "5"
    & skf21("1","2","1","6","3","4","4","1") = "5"
    & skf21("1","2","1","6","3","4","5","1") = "5"
    & skf21("1","2","1","6","3","4","6","1") = "5"
    & skf21("1","2","1","6","3","4","7","1") = "6"
    & skf21("1","2","1","6","3","5","1","1") = "5"
    & skf21("1","2","1","6","3","5","2","1") = "5"
    & skf21("1","2","1","6","3","5","3","1") = "5"
    & skf21("1","2","1","6","3","5","4","1") = "5"
    & skf21("1","2","1","6","3","5","5","1") = "5"
    & skf21("1","2","1","6","3","5","6","1") = "5"
    & skf21("1","2","1","6","3","5","7","1") = "6"
    & skf21("1","2","1","6","3","6","1","1") = "5"
    & skf21("1","2","1","6","3","6","2","1") = "5"
    & skf21("1","2","1","6","3","6","3","1") = "5"
    & skf21("1","2","1","6","3","6","4","1") = "5"
    & skf21("1","2","1","6","3","6","5","1") = "5"
    & skf21("1","2","1","6","3","6","6","1") = "5"
    & skf21("1","2","1","6","3","6","7","1") = "6"
    & skf21("1","2","1","6","3","7","1","1") = "6"
    & skf21("1","2","1","6","3","7","2","1") = "6"
    & skf21("1","2","1","6","3","7","3","1") = "6"
    & skf21("1","2","1","6","3","7","4","1") = "6"
    & skf21("1","2","1","6","3","7","5","1") = "6"
    & skf21("1","2","1","6","3","7","6","1") = "6"
    & skf21("1","2","1","6","3","7","7","1") = "6"
    & skf21("1","2","1","6","4","1","1","1") = "5"
    & skf21("1","2","1","6","4","1","2","1") = "5"
    & skf21("1","2","1","6","4","1","3","1") = "5"
    & skf21("1","2","1","6","4","1","4","1") = "5"
    & skf21("1","2","1","6","4","1","5","1") = "5"
    & skf21("1","2","1","6","4","1","6","1") = "5"
    & skf21("1","2","1","6","4","1","7","1") = "6"
    & skf21("1","2","1","6","4","2","1","1") = "5"
    & skf21("1","2","1","6","4","2","2","1") = "5"
    & skf21("1","2","1","6","4","2","3","1") = "5"
    & skf21("1","2","1","6","4","2","4","1") = "5"
    & skf21("1","2","1","6","4","2","5","1") = "5"
    & skf21("1","2","1","6","4","2","6","1") = "5"
    & skf21("1","2","1","6","4","2","7","1") = "6"
    & skf21("1","2","1","6","4","3","1","1") = "5"
    & skf21("1","2","1","6","4","3","2","1") = "5"
    & skf21("1","2","1","6","4","3","3","1") = "5"
    & skf21("1","2","1","6","4","3","4","1") = "5"
    & skf21("1","2","1","6","4","3","5","1") = "5"
    & skf21("1","2","1","6","4","3","6","1") = "5"
    & skf21("1","2","1","6","4","3","7","1") = "6"
    & skf21("1","2","1","6","4","4","1","1") = "5"
    & skf21("1","2","1","6","4","4","2","1") = "5"
    & skf21("1","2","1","6","4","4","3","1") = "5"
    & skf21("1","2","1","6","4","4","4","1") = "5"
    & skf21("1","2","1","6","4","4","5","1") = "5"
    & skf21("1","2","1","6","4","4","6","1") = "5"
    & skf21("1","2","1","6","4","4","7","1") = "6"
    & skf21("1","2","1","6","4","5","1","1") = "5"
    & skf21("1","2","1","6","4","5","2","1") = "5"
    & skf21("1","2","1","6","4","5","3","1") = "5"
    & skf21("1","2","1","6","4","5","4","1") = "5"
    & skf21("1","2","1","6","4","5","5","1") = "5"
    & skf21("1","2","1","6","4","5","6","1") = "5"
    & skf21("1","2","1","6","4","5","7","1") = "6"
    & skf21("1","2","1","6","4","6","1","1") = "5"
    & skf21("1","2","1","6","4","6","2","1") = "5"
    & skf21("1","2","1","6","4","6","3","1") = "5"
    & skf21("1","2","1","6","4","6","4","1") = "5"
    & skf21("1","2","1","6","4","6","5","1") = "5"
    & skf21("1","2","1","6","4","6","6","1") = "5"
    & skf21("1","2","1","6","4","6","7","1") = "6"
    & skf21("1","2","1","6","4","7","1","1") = "6"
    & skf21("1","2","1","6","4","7","2","1") = "6"
    & skf21("1","2","1","6","4","7","3","1") = "6"
    & skf21("1","2","1","6","4","7","4","1") = "6"
    & skf21("1","2","1","6","4","7","5","1") = "6"
    & skf21("1","2","1","6","4","7","6","1") = "6"
    & skf21("1","2","1","6","4","7","7","1") = "6"
    & skf21("1","2","1","6","5","1","1","1") = "5"
    & skf21("1","2","1","6","5","1","2","1") = "5"
    & skf21("1","2","1","6","5","1","3","1") = "5"
    & skf21("1","2","1","6","5","1","4","1") = "5"
    & skf21("1","2","1","6","5","1","5","1") = "5"
    & skf21("1","2","1","6","5","1","6","1") = "5"
    & skf21("1","2","1","6","5","1","7","1") = "6"
    & skf21("1","2","1","6","5","2","1","1") = "5"
    & skf21("1","2","1","6","5","2","2","1") = "5"
    & skf21("1","2","1","6","5","2","3","1") = "5"
    & skf21("1","2","1","6","5","2","4","1") = "5"
    & skf21("1","2","1","6","5","2","5","1") = "5"
    & skf21("1","2","1","6","5","2","6","1") = "5"
    & skf21("1","2","1","6","5","2","7","1") = "6"
    & skf21("1","2","1","6","5","3","1","1") = "5"
    & skf21("1","2","1","6","5","3","2","1") = "5"
    & skf21("1","2","1","6","5","3","3","1") = "5"
    & skf21("1","2","1","6","5","3","4","1") = "5"
    & skf21("1","2","1","6","5","3","5","1") = "5"
    & skf21("1","2","1","6","5","3","6","1") = "5"
    & skf21("1","2","1","6","5","3","7","1") = "6"
    & skf21("1","2","1","6","5","4","1","1") = "5"
    & skf21("1","2","1","6","5","4","2","1") = "5"
    & skf21("1","2","1","6","5","4","3","1") = "5"
    & skf21("1","2","1","6","5","4","4","1") = "5"
    & skf21("1","2","1","6","5","4","5","1") = "5"
    & skf21("1","2","1","6","5","4","6","1") = "5"
    & skf21("1","2","1","6","5","4","7","1") = "6"
    & skf21("1","2","1","6","5","5","1","1") = "5"
    & skf21("1","2","1","6","5","5","2","1") = "5"
    & skf21("1","2","1","6","5","5","3","1") = "5"
    & skf21("1","2","1","6","5","5","4","1") = "5"
    & skf21("1","2","1","6","5","5","5","1") = "5"
    & skf21("1","2","1","6","5","5","6","1") = "5"
    & skf21("1","2","1","6","5","5","7","1") = "6"
    & skf21("1","2","1","6","5","6","1","1") = "5"
    & skf21("1","2","1","6","5","6","2","1") = "5"
    & skf21("1","2","1","6","5","6","3","1") = "5"
    & skf21("1","2","1","6","5","6","4","1") = "5"
    & skf21("1","2","1","6","5","6","5","1") = "5"
    & skf21("1","2","1","6","5","6","6","1") = "5"
    & skf21("1","2","1","6","5","6","7","1") = "6"
    & skf21("1","2","1","6","5","7","1","1") = "6"
    & skf21("1","2","1","6","5","7","2","1") = "6"
    & skf21("1","2","1","6","5","7","3","1") = "6"
    & skf21("1","2","1","6","5","7","4","1") = "6"
    & skf21("1","2","1","6","5","7","5","1") = "6"
    & skf21("1","2","1","6","5","7","6","1") = "6"
    & skf21("1","2","1","6","5","7","7","1") = "6"
    & skf21("1","2","1","6","6","1","1","1") = "5"
    & skf21("1","2","1","6","6","1","2","1") = "5"
    & skf21("1","2","1","6","6","1","3","1") = "5"
    & skf21("1","2","1","6","6","1","4","1") = "5"
    & skf21("1","2","1","6","6","1","5","1") = "5"
    & skf21("1","2","1","6","6","1","6","1") = "5"
    & skf21("1","2","1","6","6","1","7","1") = "6"
    & skf21("1","2","1","6","6","2","1","1") = "5"
    & skf21("1","2","1","6","6","2","2","1") = "5"
    & skf21("1","2","1","6","6","2","3","1") = "5"
    & skf21("1","2","1","6","6","2","4","1") = "5"
    & skf21("1","2","1","6","6","2","5","1") = "5"
    & skf21("1","2","1","6","6","2","6","1") = "5"
    & skf21("1","2","1","6","6","2","7","1") = "6"
    & skf21("1","2","1","6","6","3","1","1") = "5"
    & skf21("1","2","1","6","6","3","2","1") = "5"
    & skf21("1","2","1","6","6","3","3","1") = "5"
    & skf21("1","2","1","6","6","3","4","1") = "5"
    & skf21("1","2","1","6","6","3","5","1") = "5"
    & skf21("1","2","1","6","6","3","6","1") = "5"
    & skf21("1","2","1","6","6","3","7","1") = "6"
    & skf21("1","2","1","6","6","4","1","1") = "5"
    & skf21("1","2","1","6","6","4","2","1") = "5"
    & skf21("1","2","1","6","6","4","3","1") = "5"
    & skf21("1","2","1","6","6","4","4","1") = "5"
    & skf21("1","2","1","6","6","4","5","1") = "5"
    & skf21("1","2","1","6","6","4","6","1") = "5"
    & skf21("1","2","1","6","6","4","7","1") = "6"
    & skf21("1","2","1","6","6","5","1","1") = "5"
    & skf21("1","2","1","6","6","5","2","1") = "5"
    & skf21("1","2","1","6","6","5","3","1") = "5"
    & skf21("1","2","1","6","6","5","4","1") = "5"
    & skf21("1","2","1","6","6","5","5","1") = "5"
    & skf21("1","2","1","6","6","5","6","1") = "5"
    & skf21("1","2","1","6","6","5","7","1") = "6"
    & skf21("1","2","1","6","6","6","1","1") = "5"
    & skf21("1","2","1","6","6","6","2","1") = "5"
    & skf21("1","2","1","6","6","6","3","1") = "5"
    & skf21("1","2","1","6","6","6","4","1") = "5"
    & skf21("1","2","1","6","6","6","5","1") = "5"
    & skf21("1","2","1","6","6","6","6","1") = "5"
    & skf21("1","2","1","6","6","6","7","1") = "6"
    & skf21("1","2","1","6","6","7","1","1") = "6"
    & skf21("1","2","1","6","6","7","2","1") = "6"
    & skf21("1","2","1","6","6","7","3","1") = "6"
    & skf21("1","2","1","6","6","7","4","1") = "6"
    & skf21("1","2","1","6","6","7","5","1") = "6"
    & skf21("1","2","1","6","6","7","6","1") = "6"
    & skf21("1","2","1","6","6","7","7","1") = "6"
    & skf21("1","2","1","6","7","1","1","1") = "6"
    & skf21("1","2","1","6","7","1","2","1") = "6"
    & skf21("1","2","1","6","7","1","3","1") = "6"
    & skf21("1","2","1","6","7","1","4","1") = "6"
    & skf21("1","2","1","6","7","1","5","1") = "6"
    & skf21("1","2","1","6","7","1","6","1") = "6"
    & skf21("1","2","1","6","7","1","7","1") = "6"
    & skf21("1","2","1","6","7","2","1","1") = "6"
    & skf21("1","2","1","6","7","2","2","1") = "6"
    & skf21("1","2","1","6","7","2","3","1") = "6"
    & skf21("1","2","1","6","7","2","4","1") = "6"
    & skf21("1","2","1","6","7","2","5","1") = "6"
    & skf21("1","2","1","6","7","2","6","1") = "6"
    & skf21("1","2","1","6","7","2","7","1") = "6"
    & skf21("1","2","1","6","7","3","1","1") = "6"
    & skf21("1","2","1","6","7","3","2","1") = "6"
    & skf21("1","2","1","6","7","3","3","1") = "6"
    & skf21("1","2","1","6","7","3","4","1") = "6"
    & skf21("1","2","1","6","7","3","5","1") = "6"
    & skf21("1","2","1","6","7","3","6","1") = "6"
    & skf21("1","2","1","6","7","3","7","1") = "6"
    & skf21("1","2","1","6","7","4","1","1") = "6"
    & skf21("1","2","1","6","7","4","2","1") = "6"
    & skf21("1","2","1","6","7","4","3","1") = "6"
    & skf21("1","2","1","6","7","4","4","1") = "6"
    & skf21("1","2","1","6","7","4","5","1") = "6"
    & skf21("1","2","1","6","7","4","6","1") = "6"
    & skf21("1","2","1","6","7","4","7","1") = "6"
    & skf21("1","2","1","6","7","5","1","1") = "6"
    & skf21("1","2","1","6","7","5","2","1") = "6"
    & skf21("1","2","1","6","7","5","3","1") = "6"
    & skf21("1","2","1","6","7","5","4","1") = "6"
    & skf21("1","2","1","6","7","5","5","1") = "6"
    & skf21("1","2","1","6","7","5","6","1") = "6"
    & skf21("1","2","1","6","7","5","7","1") = "6"
    & skf21("1","2","1","6","7","6","1","1") = "6"
    & skf21("1","2","1","6","7","6","2","1") = "6"
    & skf21("1","2","1","6","7","6","3","1") = "6"
    & skf21("1","2","1","6","7","6","4","1") = "6"
    & skf21("1","2","1","6","7","6","5","1") = "6"
    & skf21("1","2","1","6","7","6","6","1") = "6"
    & skf21("1","2","1","6","7","6","7","1") = "6"
    & skf21("1","2","1","6","7","7","1","1") = "6"
    & skf21("1","2","1","6","7","7","2","1") = "6"
    & skf21("1","2","1","6","7","7","3","1") = "6"
    & skf21("1","2","1","6","7","7","4","1") = "6"
    & skf21("1","2","1","6","7","7","5","1") = "6"
    & skf21("1","2","1","6","7","7","6","1") = "6"
    & skf21("1","2","1","6","7","7","7","1") = "6"
    & skf21("1","2","1","7","1","1","1","1") = "6"
    & skf21("1","2","1","7","1","1","2","1") = "6"
    & skf21("1","2","1","7","1","1","3","1") = "6"
    & skf21("1","2","1","7","1","1","4","1") = "6"
    & skf21("1","2","1","7","1","1","5","1") = "6"
    & skf21("1","2","1","7","1","1","6","1") = "6"
    & skf21("1","2","1","7","1","1","7","1") = "6"
    & skf21("1","2","1","7","1","2","1","1") = "6"
    & skf21("1","2","1","7","1","2","2","1") = "6"
    & skf21("1","2","1","7","1","2","3","1") = "6"
    & skf21("1","2","1","7","1","2","4","1") = "6"
    & skf21("1","2","1","7","1","2","5","1") = "6"
    & skf21("1","2","1","7","1","2","6","1") = "6"
    & skf21("1","2","1","7","1","2","7","1") = "6"
    & skf21("1","2","1","7","1","3","1","1") = "6"
    & skf21("1","2","1","7","1","3","2","1") = "6"
    & skf21("1","2","1","7","1","3","3","1") = "6"
    & skf21("1","2","1","7","1","3","4","1") = "6"
    & skf21("1","2","1","7","1","3","5","1") = "6"
    & skf21("1","2","1","7","1","3","6","1") = "6"
    & skf21("1","2","1","7","1","3","7","1") = "6"
    & skf21("1","2","1","7","1","4","1","1") = "6"
    & skf21("1","2","1","7","1","4","2","1") = "6"
    & skf21("1","2","1","7","1","4","3","1") = "6"
    & skf21("1","2","1","7","1","4","4","1") = "6"
    & skf21("1","2","1","7","1","4","5","1") = "6"
    & skf21("1","2","1","7","1","4","6","1") = "6"
    & skf21("1","2","1","7","1","4","7","1") = "6"
    & skf21("1","2","1","7","1","5","1","1") = "6"
    & skf21("1","2","1","7","1","5","2","1") = "6"
    & skf21("1","2","1","7","1","5","3","1") = "6"
    & skf21("1","2","1","7","1","5","4","1") = "6"
    & skf21("1","2","1","7","1","5","5","1") = "6"
    & skf21("1","2","1","7","1","5","6","1") = "6"
    & skf21("1","2","1","7","1","5","7","1") = "6"
    & skf21("1","2","1","7","1","6","1","1") = "6"
    & skf21("1","2","1","7","1","6","2","1") = "6"
    & skf21("1","2","1","7","1","6","3","1") = "6"
    & skf21("1","2","1","7","1","6","4","1") = "6"
    & skf21("1","2","1","7","1","6","5","1") = "6"
    & skf21("1","2","1","7","1","6","6","1") = "6"
    & skf21("1","2","1","7","1","6","7","1") = "6"
    & skf21("1","2","1","7","1","7","1","1") = "6"
    & skf21("1","2","1","7","1","7","2","1") = "6"
    & skf21("1","2","1","7","1","7","3","1") = "6"
    & skf21("1","2","1","7","1","7","4","1") = "6"
    & skf21("1","2","1","7","1","7","5","1") = "6"
    & skf21("1","2","1","7","1","7","6","1") = "6"
    & skf21("1","2","1","7","1","7","7","1") = "6"
    & skf21("1","2","1","7","2","1","1","1") = "6"
    & skf21("1","2","1","7","2","1","2","1") = "6"
    & skf21("1","2","1","7","2","1","3","1") = "6"
    & skf21("1","2","1","7","2","1","4","1") = "6"
    & skf21("1","2","1","7","2","1","5","1") = "6"
    & skf21("1","2","1","7","2","1","6","1") = "6"
    & skf21("1","2","1","7","2","1","7","1") = "6"
    & skf21("1","2","1","7","2","2","1","1") = "6"
    & skf21("1","2","1","7","2","2","2","1") = "6"
    & skf21("1","2","1","7","2","2","3","1") = "6"
    & skf21("1","2","1","7","2","2","4","1") = "6"
    & skf21("1","2","1","7","2","2","5","1") = "6"
    & skf21("1","2","1","7","2","2","6","1") = "6"
    & skf21("1","2","1","7","2","2","7","1") = "6"
    & skf21("1","2","1","7","2","3","1","1") = "6"
    & skf21("1","2","1","7","2","3","2","1") = "6"
    & skf21("1","2","1","7","2","3","3","1") = "6"
    & skf21("1","2","1","7","2","3","4","1") = "6"
    & skf21("1","2","1","7","2","3","5","1") = "6"
    & skf21("1","2","1","7","2","3","6","1") = "6"
    & skf21("1","2","1","7","2","3","7","1") = "6"
    & skf21("1","2","1","7","2","4","1","1") = "6"
    & skf21("1","2","1","7","2","4","2","1") = "6"
    & skf21("1","2","1","7","2","4","3","1") = "6"
    & skf21("1","2","1","7","2","4","4","1") = "6"
    & skf21("1","2","1","7","2","4","5","1") = "6"
    & skf21("1","2","1","7","2","4","6","1") = "6"
    & skf21("1","2","1","7","2","4","7","1") = "6"
    & skf21("1","2","1","7","2","5","1","1") = "6"
    & skf21("1","2","1","7","2","5","2","1") = "6"
    & skf21("1","2","1","7","2","5","3","1") = "6"
    & skf21("1","2","1","7","2","5","4","1") = "6"
    & skf21("1","2","1","7","2","5","5","1") = "6"
    & skf21("1","2","1","7","2","5","6","1") = "6"
    & skf21("1","2","1","7","2","5","7","1") = "6"
    & skf21("1","2","1","7","2","6","1","1") = "6"
    & skf21("1","2","1","7","2","6","2","1") = "6"
    & skf21("1","2","1","7","2","6","3","1") = "6"
    & skf21("1","2","1","7","2","6","4","1") = "6"
    & skf21("1","2","1","7","2","6","5","1") = "6"
    & skf21("1","2","1","7","2","6","6","1") = "6"
    & skf21("1","2","1","7","2","6","7","1") = "6"
    & skf21("1","2","1","7","2","7","1","1") = "6"
    & skf21("1","2","1","7","2","7","2","1") = "6"
    & skf21("1","2","1","7","2","7","3","1") = "6"
    & skf21("1","2","1","7","2","7","4","1") = "6"
    & skf21("1","2","1","7","2","7","5","1") = "6"
    & skf21("1","2","1","7","2","7","6","1") = "6"
    & skf21("1","2","1","7","2","7","7","1") = "6"
    & skf21("1","2","1","7","3","1","1","1") = "6"
    & skf21("1","2","1","7","3","1","2","1") = "6"
    & skf21("1","2","1","7","3","1","3","1") = "6"
    & skf21("1","2","1","7","3","1","4","1") = "6"
    & skf21("1","2","1","7","3","1","5","1") = "6"
    & skf21("1","2","1","7","3","1","6","1") = "6"
    & skf21("1","2","1","7","3","1","7","1") = "6"
    & skf21("1","2","1","7","3","2","1","1") = "6"
    & skf21("1","2","1","7","3","2","2","1") = "6"
    & skf21("1","2","1","7","3","2","3","1") = "6"
    & skf21("1","2","1","7","3","2","4","1") = "6"
    & skf21("1","2","1","7","3","2","5","1") = "6"
    & skf21("1","2","1","7","3","2","6","1") = "6"
    & skf21("1","2","1","7","3","2","7","1") = "6"
    & skf21("1","2","1","7","3","3","1","1") = "6"
    & skf21("1","2","1","7","3","3","2","1") = "6"
    & skf21("1","2","1","7","3","3","3","1") = "6"
    & skf21("1","2","1","7","3","3","4","1") = "6"
    & skf21("1","2","1","7","3","3","5","1") = "6"
    & skf21("1","2","1","7","3","3","6","1") = "6"
    & skf21("1","2","1","7","3","3","7","1") = "6"
    & skf21("1","2","1","7","3","4","1","1") = "6"
    & skf21("1","2","1","7","3","4","2","1") = "6"
    & skf21("1","2","1","7","3","4","3","1") = "6"
    & skf21("1","2","1","7","3","4","4","1") = "6"
    & skf21("1","2","1","7","3","4","5","1") = "6"
    & skf21("1","2","1","7","3","4","6","1") = "6"
    & skf21("1","2","1","7","3","4","7","1") = "6"
    & skf21("1","2","1","7","3","5","1","1") = "6"
    & skf21("1","2","1","7","3","5","2","1") = "6"
    & skf21("1","2","1","7","3","5","3","1") = "6"
    & skf21("1","2","1","7","3","5","4","1") = "6"
    & skf21("1","2","1","7","3","5","5","1") = "6"
    & skf21("1","2","1","7","3","5","6","1") = "6"
    & skf21("1","2","1","7","3","5","7","1") = "6"
    & skf21("1","2","1","7","3","6","1","1") = "6"
    & skf21("1","2","1","7","3","6","2","1") = "6"
    & skf21("1","2","1","7","3","6","3","1") = "6"
    & skf21("1","2","1","7","3","6","4","1") = "6"
    & skf21("1","2","1","7","3","6","5","1") = "6"
    & skf21("1","2","1","7","3","6","6","1") = "6"
    & skf21("1","2","1","7","3","6","7","1") = "6"
    & skf21("1","2","1","7","3","7","1","1") = "6"
    & skf21("1","2","1","7","3","7","2","1") = "6"
    & skf21("1","2","1","7","3","7","3","1") = "6"
    & skf21("1","2","1","7","3","7","4","1") = "6"
    & skf21("1","2","1","7","3","7","5","1") = "6"
    & skf21("1","2","1","7","3","7","6","1") = "6"
    & skf21("1","2","1","7","3","7","7","1") = "6"
    & skf21("1","2","1","7","4","1","1","1") = "6"
    & skf21("1","2","1","7","4","1","2","1") = "6"
    & skf21("1","2","1","7","4","1","3","1") = "6"
    & skf21("1","2","1","7","4","1","4","1") = "6"
    & skf21("1","2","1","7","4","1","5","1") = "6"
    & skf21("1","2","1","7","4","1","6","1") = "6"
    & skf21("1","2","1","7","4","1","7","1") = "6"
    & skf21("1","2","1","7","4","2","1","1") = "6"
    & skf21("1","2","1","7","4","2","2","1") = "6"
    & skf21("1","2","1","7","4","2","3","1") = "6"
    & skf21("1","2","1","7","4","2","4","1") = "6"
    & skf21("1","2","1","7","4","2","5","1") = "6"
    & skf21("1","2","1","7","4","2","6","1") = "6"
    & skf21("1","2","1","7","4","2","7","1") = "6"
    & skf21("1","2","1","7","4","3","1","1") = "6"
    & skf21("1","2","1","7","4","3","2","1") = "6"
    & skf21("1","2","1","7","4","3","3","1") = "6"
    & skf21("1","2","1","7","4","3","4","1") = "6"
    & skf21("1","2","1","7","4","3","5","1") = "6"
    & skf21("1","2","1","7","4","3","6","1") = "6"
    & skf21("1","2","1","7","4","3","7","1") = "6"
    & skf21("1","2","1","7","4","4","1","1") = "6"
    & skf21("1","2","1","7","4","4","2","1") = "6"
    & skf21("1","2","1","7","4","4","3","1") = "6"
    & skf21("1","2","1","7","4","4","4","1") = "6"
    & skf21("1","2","1","7","4","4","5","1") = "6"
    & skf21("1","2","1","7","4","4","6","1") = "6"
    & skf21("1","2","1","7","4","4","7","1") = "6"
    & skf21("1","2","1","7","4","5","1","1") = "6"
    & skf21("1","2","1","7","4","5","2","1") = "6"
    & skf21("1","2","1","7","4","5","3","1") = "6"
    & skf21("1","2","1","7","4","5","4","1") = "6"
    & skf21("1","2","1","7","4","5","5","1") = "6"
    & skf21("1","2","1","7","4","5","6","1") = "6"
    & skf21("1","2","1","7","4","5","7","1") = "6"
    & skf21("1","2","1","7","4","6","1","1") = "6"
    & skf21("1","2","1","7","4","6","2","1") = "6"
    & skf21("1","2","1","7","4","6","3","1") = "6"
    & skf21("1","2","1","7","4","6","4","1") = "6"
    & skf21("1","2","1","7","4","6","5","1") = "6"
    & skf21("1","2","1","7","4","6","6","1") = "6"
    & skf21("1","2","1","7","4","6","7","1") = "6"
    & skf21("1","2","1","7","4","7","1","1") = "6"
    & skf21("1","2","1","7","4","7","2","1") = "6"
    & skf21("1","2","1","7","4","7","3","1") = "6"
    & skf21("1","2","1","7","4","7","4","1") = "6"
    & skf21("1","2","1","7","4","7","5","1") = "6"
    & skf21("1","2","1","7","4","7","6","1") = "6"
    & skf21("1","2","1","7","4","7","7","1") = "6"
    & skf21("1","2","1","7","5","1","1","1") = "6"
    & skf21("1","2","1","7","5","1","2","1") = "6"
    & skf21("1","2","1","7","5","1","3","1") = "6"
    & skf21("1","2","1","7","5","1","4","1") = "6"
    & skf21("1","2","1","7","5","1","5","1") = "6"
    & skf21("1","2","1","7","5","1","6","1") = "6"
    & skf21("1","2","1","7","5","1","7","1") = "6"
    & skf21("1","2","1","7","5","2","1","1") = "6"
    & skf21("1","2","1","7","5","2","2","1") = "6"
    & skf21("1","2","1","7","5","2","3","1") = "6"
    & skf21("1","2","1","7","5","2","4","1") = "6"
    & skf21("1","2","1","7","5","2","5","1") = "6"
    & skf21("1","2","1","7","5","2","6","1") = "6"
    & skf21("1","2","1","7","5","2","7","1") = "6"
    & skf21("1","2","1","7","5","3","1","1") = "6"
    & skf21("1","2","1","7","5","3","2","1") = "6"
    & skf21("1","2","1","7","5","3","3","1") = "6"
    & skf21("1","2","1","7","5","3","4","1") = "6"
    & skf21("1","2","1","7","5","3","5","1") = "6"
    & skf21("1","2","1","7","5","3","6","1") = "6"
    & skf21("1","2","1","7","5","3","7","1") = "6"
    & skf21("1","2","1","7","5","4","1","1") = "6"
    & skf21("1","2","1","7","5","4","2","1") = "6"
    & skf21("1","2","1","7","5","4","3","1") = "6"
    & skf21("1","2","1","7","5","4","4","1") = "6"
    & skf21("1","2","1","7","5","4","5","1") = "6"
    & skf21("1","2","1","7","5","4","6","1") = "6"
    & skf21("1","2","1","7","5","4","7","1") = "6"
    & skf21("1","2","1","7","5","5","1","1") = "6"
    & skf21("1","2","1","7","5","5","2","1") = "6"
    & skf21("1","2","1","7","5","5","3","1") = "6"
    & skf21("1","2","1","7","5","5","4","1") = "6"
    & skf21("1","2","1","7","5","5","5","1") = "6"
    & skf21("1","2","1","7","5","5","6","1") = "6"
    & skf21("1","2","1","7","5","5","7","1") = "6"
    & skf21("1","2","1","7","5","6","1","1") = "6"
    & skf21("1","2","1","7","5","6","2","1") = "6"
    & skf21("1","2","1","7","5","6","3","1") = "6"
    & skf21("1","2","1","7","5","6","4","1") = "6"
    & skf21("1","2","1","7","5","6","5","1") = "6"
    & skf21("1","2","1","7","5","6","6","1") = "6"
    & skf21("1","2","1","7","5","6","7","1") = "6"
    & skf21("1","2","1","7","5","7","1","1") = "6"
    & skf21("1","2","1","7","5","7","2","1") = "6"
    & skf21("1","2","1","7","5","7","3","1") = "6"
    & skf21("1","2","1","7","5","7","4","1") = "6"
    & skf21("1","2","1","7","5","7","5","1") = "6"
    & skf21("1","2","1","7","5","7","6","1") = "6"
    & skf21("1","2","1","7","5","7","7","1") = "6"
    & skf21("1","2","1","7","6","1","1","1") = "6"
    & skf21("1","2","1","7","6","1","2","1") = "6"
    & skf21("1","2","1","7","6","1","3","1") = "6"
    & skf21("1","2","1","7","6","1","4","1") = "6"
    & skf21("1","2","1","7","6","1","5","1") = "6"
    & skf21("1","2","1","7","6","1","6","1") = "6"
    & skf21("1","2","1","7","6","1","7","1") = "6"
    & skf21("1","2","1","7","6","2","1","1") = "6"
    & skf21("1","2","1","7","6","2","2","1") = "6"
    & skf21("1","2","1","7","6","2","3","1") = "6"
    & skf21("1","2","1","7","6","2","4","1") = "6"
    & skf21("1","2","1","7","6","2","5","1") = "6"
    & skf21("1","2","1","7","6","2","6","1") = "6"
    & skf21("1","2","1","7","6","2","7","1") = "6"
    & skf21("1","2","1","7","6","3","1","1") = "6"
    & skf21("1","2","1","7","6","3","2","1") = "6"
    & skf21("1","2","1","7","6","3","3","1") = "6"
    & skf21("1","2","1","7","6","3","4","1") = "6"
    & skf21("1","2","1","7","6","3","5","1") = "6"
    & skf21("1","2","1","7","6","3","6","1") = "6"
    & skf21("1","2","1","7","6","3","7","1") = "6"
    & skf21("1","2","1","7","6","4","1","1") = "6"
    & skf21("1","2","1","7","6","4","2","1") = "6"
    & skf21("1","2","1","7","6","4","3","1") = "6"
    & skf21("1","2","1","7","6","4","4","1") = "6"
    & skf21("1","2","1","7","6","4","5","1") = "6"
    & skf21("1","2","1","7","6","4","6","1") = "6"
    & skf21("1","2","1","7","6","4","7","1") = "6"
    & skf21("1","2","1","7","6","5","1","1") = "6"
    & skf21("1","2","1","7","6","5","2","1") = "6"
    & skf21("1","2","1","7","6","5","3","1") = "6"
    & skf21("1","2","1","7","6","5","4","1") = "6"
    & skf21("1","2","1","7","6","5","5","1") = "6"
    & skf21("1","2","1","7","6","5","6","1") = "6"
    & skf21("1","2","1","7","6","5","7","1") = "6"
    & skf21("1","2","1","7","6","6","1","1") = "6"
    & skf21("1","2","1","7","6","6","2","1") = "6"
    & skf21("1","2","1","7","6","6","3","1") = "6"
    & skf21("1","2","1","7","6","6","4","1") = "6"
    & skf21("1","2","1","7","6","6","5","1") = "6"
    & skf21("1","2","1","7","6","6","6","1") = "6"
    & skf21("1","2","1","7","6","6","7","1") = "6"
    & skf21("1","2","1","7","6","7","1","1") = "6"
    & skf21("1","2","1","7","6","7","2","1") = "6"
    & skf21("1","2","1","7","6","7","3","1") = "6"
    & skf21("1","2","1","7","6","7","4","1") = "6"
    & skf21("1","2","1","7","6","7","5","1") = "6"
    & skf21("1","2","1","7","6","7","6","1") = "6"
    & skf21("1","2","1","7","6","7","7","1") = "6"
    & skf21("1","2","1","7","7","1","1","1") = "6"
    & skf21("1","2","1","7","7","1","2","1") = "6"
    & skf21("1","2","1","7","7","1","3","1") = "6"
    & skf21("1","2","1","7","7","1","4","1") = "6"
    & skf21("1","2","1","7","7","1","5","1") = "6"
    & skf21("1","2","1","7","7","1","6","1") = "6"
    & skf21("1","2","1","7","7","1","7","1") = "6"
    & skf21("1","2","1","7","7","2","1","1") = "6"
    & skf21("1","2","1","7","7","2","2","1") = "6"
    & skf21("1","2","1","7","7","2","3","1") = "6"
    & skf21("1","2","1","7","7","2","4","1") = "6"
    & skf21("1","2","1","7","7","2","5","1") = "6"
    & skf21("1","2","1","7","7","2","6","1") = "6"
    & skf21("1","2","1","7","7","2","7","1") = "6"
    & skf21("1","2","1","7","7","3","1","1") = "6"
    & skf21("1","2","1","7","7","3","2","1") = "6"
    & skf21("1","2","1","7","7","3","3","1") = "6"
    & skf21("1","2","1","7","7","3","4","1") = "6"
    & skf21("1","2","1","7","7","3","5","1") = "6"
    & skf21("1","2","1","7","7","3","6","1") = "6"
    & skf21("1","2","1","7","7","3","7","1") = "6"
    & skf21("1","2","1","7","7","4","1","1") = "6"
    & skf21("1","2","1","7","7","4","2","1") = "6"
    & skf21("1","2","1","7","7","4","3","1") = "6"
    & skf21("1","2","1","7","7","4","4","1") = "6"
    & skf21("1","2","1","7","7","4","5","1") = "6"
    & skf21("1","2","1","7","7","4","6","1") = "6"
    & skf21("1","2","1","7","7","4","7","1") = "6"
    & skf21("1","2","1","7","7","5","1","1") = "6"
    & skf21("1","2","1","7","7","5","2","1") = "6"
    & skf21("1","2","1","7","7","5","3","1") = "6"
    & skf21("1","2","1","7","7","5","4","1") = "6"
    & skf21("1","2","1","7","7","5","5","1") = "6"
    & skf21("1","2","1","7","7","5","6","1") = "6"
    & skf21("1","2","1","7","7","5","7","1") = "6"
    & skf21("1","2","1","7","7","6","1","1") = "6"
    & skf21("1","2","1","7","7","6","2","1") = "6"
    & skf21("1","2","1","7","7","6","3","1") = "6"
    & skf21("1","2","1","7","7","6","4","1") = "6"
    & skf21("1","2","1","7","7","6","5","1") = "6"
    & skf21("1","2","1","7","7","6","6","1") = "6"
    & skf21("1","2","1","7","7","6","7","1") = "6"
    & skf21("1","2","1","7","7","7","1","1") = "6"
    & skf21("1","2","1","7","7","7","2","1") = "6"
    & skf21("1","2","1","7","7","7","3","1") = "6"
    & skf21("1","2","1","7","7","7","4","1") = "6"
    & skf21("1","2","1","7","7","7","5","1") = "6"
    & skf21("1","2","1","7","7","7","6","1") = "6"
    & skf21("1","2","1","7","7","7","7","1") = "6"
    & skf21("1","2","2","1","1","1","1","1") = "1"
    & skf21("1","2","2","1","1","1","2","1") = "1"
    & skf21("1","2","2","1","1","1","3","1") = "2"
    & skf21("1","2","2","1","1","1","4","1") = "3"
    & skf21("1","2","2","1","1","1","5","1") = "4"
    & skf21("1","2","2","1","1","1","6","1") = "5"
    & skf21("1","2","2","1","1","1","7","1") = "6"
    & skf21("1","2","2","1","1","2","1","1") = "1"
    & skf21("1","2","2","1","1","2","2","1") = "1"
    & skf21("1","2","2","1","1","2","3","1") = "2"
    & skf21("1","2","2","1","1","2","4","1") = "3"
    & skf21("1","2","2","1","1","2","5","1") = "4"
    & skf21("1","2","2","1","1","2","6","1") = "5"
    & skf21("1","2","2","1","1","2","7","1") = "6"
    & skf21("1","2","2","1","1","3","1","1") = "2"
    & skf21("1","2","2","1","1","3","2","1") = "2"
    & skf21("1","2","2","1","1","3","3","1") = "2"
    & skf21("1","2","2","1","1","3","4","1") = "3"
    & skf21("1","2","2","1","1","3","5","1") = "4"
    & skf21("1","2","2","1","1","3","6","1") = "5"
    & skf21("1","2","2","1","1","3","7","1") = "6"
    & skf21("1","2","2","1","1","4","1","1") = "3"
    & skf21("1","2","2","1","1","4","2","1") = "3"
    & skf21("1","2","2","1","1","4","3","1") = "3"
    & skf21("1","2","2","1","1","4","4","1") = "3"
    & skf21("1","2","2","1","1","4","5","1") = "4"
    & skf21("1","2","2","1","1","4","6","1") = "5"
    & skf21("1","2","2","1","1","4","7","1") = "6"
    & skf21("1","2","2","1","1","5","1","1") = "4"
    & skf21("1","2","2","1","1","5","2","1") = "4"
    & skf21("1","2","2","1","1","5","3","1") = "4"
    & skf21("1","2","2","1","1","5","4","1") = "4"
    & skf21("1","2","2","1","1","5","5","1") = "4"
    & skf21("1","2","2","1","1","5","6","1") = "5"
    & skf21("1","2","2","1","1","5","7","1") = "6"
    & skf21("1","2","2","1","1","6","1","1") = "5"
    & skf21("1","2","2","1","1","6","2","1") = "5"
    & skf21("1","2","2","1","1","6","3","1") = "5"
    & skf21("1","2","2","1","1","6","4","1") = "5"
    & skf21("1","2","2","1","1","6","5","1") = "5"
    & skf21("1","2","2","1","1","6","6","1") = "5"
    & skf21("1","2","2","1","1","6","7","1") = "6"
    & skf21("1","2","2","1","1","7","1","1") = "6"
    & skf21("1","2","2","1","1","7","2","1") = "6"
    & skf21("1","2","2","1","1","7","3","1") = "6"
    & skf21("1","2","2","1","1","7","4","1") = "6"
    & skf21("1","2","2","1","1","7","5","1") = "6"
    & skf21("1","2","2","1","1","7","6","1") = "6"
    & skf21("1","2","2","1","1","7","7","1") = "6"
    & skf21("1","2","2","1","2","1","1","1") = "1"
    & skf21("1","2","2","1","2","1","2","1") = "1"
    & skf21("1","2","2","1","2","1","3","1") = "2"
    & skf21("1","2","2","1","2","1","4","1") = "3"
    & skf21("1","2","2","1","2","1","5","1") = "4"
    & skf21("1","2","2","1","2","1","6","1") = "5"
    & skf21("1","2","2","1","2","1","7","1") = "6"
    & skf21("1","2","2","1","2","2","1","1") = "1"
    & skf21("1","2","2","1","2","2","2","1") = "2"
    & skf21("1","2","2","1","2","2","3","1") = "2"
    & skf21("1","2","2","1","2","2","4","1") = "3"
    & skf21("1","2","2","1","2","2","5","1") = "4"
    & skf21("1","2","2","1","2","2","6","1") = "5"
    & skf21("1","2","2","1","2","2","7","1") = "6"
    & skf21("1","2","2","1","2","3","1","1") = "2"
    & skf21("1","2","2","1","2","3","2","1") = "2"
    & skf21("1","2","2","1","2","3","3","1") = "2"
    & skf21("1","2","2","1","2","3","4","1") = "3"
    & skf21("1","2","2","1","2","3","5","1") = "4"
    & skf21("1","2","2","1","2","3","6","1") = "5"
    & skf21("1","2","2","1","2","3","7","1") = "6"
    & skf21("1","2","2","1","2","4","1","1") = "3"
    & skf21("1","2","2","1","2","4","2","1") = "3"
    & skf21("1","2","2","1","2","4","3","1") = "3"
    & skf21("1","2","2","1","2","4","4","1") = "3"
    & skf21("1","2","2","1","2","4","5","1") = "4"
    & skf21("1","2","2","1","2","4","6","1") = "5"
    & skf21("1","2","2","1","2","4","7","1") = "6"
    & skf21("1","2","2","1","2","5","1","1") = "4"
    & skf21("1","2","2","1","2","5","2","1") = "4"
    & skf21("1","2","2","1","2","5","3","1") = "4"
    & skf21("1","2","2","1","2","5","4","1") = "4"
    & skf21("1","2","2","1","2","5","5","1") = "4"
    & skf21("1","2","2","1","2","5","6","1") = "5"
    & skf21("1","2","2","1","2","5","7","1") = "6"
    & skf21("1","2","2","1","2","6","1","1") = "5"
    & skf21("1","2","2","1","2","6","2","1") = "5"
    & skf21("1","2","2","1","2","6","3","1") = "5"
    & skf21("1","2","2","1","2","6","4","1") = "5"
    & skf21("1","2","2","1","2","6","5","1") = "5"
    & skf21("1","2","2","1","2","6","6","1") = "5"
    & skf21("1","2","2","1","2","6","7","1") = "6"
    & skf21("1","2","2","1","2","7","1","1") = "6"
    & skf21("1","2","2","1","2","7","2","1") = "6"
    & skf21("1","2","2","1","2","7","3","1") = "6"
    & skf21("1","2","2","1","2","7","4","1") = "6"
    & skf21("1","2","2","1","2","7","5","1") = "6"
    & skf21("1","2","2","1","2","7","6","1") = "6"
    & skf21("1","2","2","1","2","7","7","1") = "6"
    & skf21("1","2","2","1","3","1","1","1") = "2"
    & skf21("1","2","2","1","3","1","2","1") = "2"
    & skf21("1","2","2","1","3","1","3","1") = "2"
    & skf21("1","2","2","1","3","1","4","1") = "3"
    & skf21("1","2","2","1","3","1","5","1") = "4"
    & skf21("1","2","2","1","3","1","6","1") = "5"
    & skf21("1","2","2","1","3","1","7","1") = "6"
    & skf21("1","2","2","1","3","2","1","1") = "2"
    & skf21("1","2","2","1","3","2","2","1") = "2"
    & skf21("1","2","2","1","3","2","3","1") = "2"
    & skf21("1","2","2","1","3","2","4","1") = "3"
    & skf21("1","2","2","1","3","2","5","1") = "4"
    & skf21("1","2","2","1","3","2","6","1") = "5"
    & skf21("1","2","2","1","3","2","7","1") = "6"
    & skf21("1","2","2","1","3","3","1","1") = "2"
    & skf21("1","2","2","1","3","3","2","1") = "2"
    & skf21("1","2","2","1","3","3","3","1") = "2"
    & skf21("1","2","2","1","3","3","4","1") = "3"
    & skf21("1","2","2","1","3","3","5","1") = "4"
    & skf21("1","2","2","1","3","3","6","1") = "5"
    & skf21("1","2","2","1","3","3","7","1") = "6"
    & skf21("1","2","2","1","3","4","1","1") = "3"
    & skf21("1","2","2","1","3","4","2","1") = "3"
    & skf21("1","2","2","1","3","4","3","1") = "3"
    & skf21("1","2","2","1","3","4","4","1") = "3"
    & skf21("1","2","2","1","3","4","5","1") = "4"
    & skf21("1","2","2","1","3","4","6","1") = "5"
    & skf21("1","2","2","1","3","4","7","1") = "6"
    & skf21("1","2","2","1","3","5","1","1") = "4"
    & skf21("1","2","2","1","3","5","2","1") = "4"
    & skf21("1","2","2","1","3","5","3","1") = "4"
    & skf21("1","2","2","1","3","5","4","1") = "4"
    & skf21("1","2","2","1","3","5","5","1") = "4"
    & skf21("1","2","2","1","3","5","6","1") = "5"
    & skf21("1","2","2","1","3","5","7","1") = "6"
    & skf21("1","2","2","1","3","6","1","1") = "5"
    & skf21("1","2","2","1","3","6","2","1") = "5"
    & skf21("1","2","2","1","3","6","3","1") = "5"
    & skf21("1","2","2","1","3","6","4","1") = "5"
    & skf21("1","2","2","1","3","6","5","1") = "5"
    & skf21("1","2","2","1","3","6","6","1") = "5"
    & skf21("1","2","2","1","3","6","7","1") = "6"
    & skf21("1","2","2","1","3","7","1","1") = "6"
    & skf21("1","2","2","1","3","7","2","1") = "6"
    & skf21("1","2","2","1","3","7","3","1") = "6"
    & skf21("1","2","2","1","3","7","4","1") = "6"
    & skf21("1","2","2","1","3","7","5","1") = "6"
    & skf21("1","2","2","1","3","7","6","1") = "6"
    & skf21("1","2","2","1","3","7","7","1") = "6"
    & skf21("1","2","2","1","4","1","1","1") = "3"
    & skf21("1","2","2","1","4","1","2","1") = "3"
    & skf21("1","2","2","1","4","1","3","1") = "3"
    & skf21("1","2","2","1","4","1","4","1") = "3"
    & skf21("1","2","2","1","4","1","5","1") = "4"
    & skf21("1","2","2","1","4","1","6","1") = "5"
    & skf21("1","2","2","1","4","1","7","1") = "6"
    & skf21("1","2","2","1","4","2","1","1") = "3"
    & skf21("1","2","2","1","4","2","2","1") = "3"
    & skf21("1","2","2","1","4","2","3","1") = "3"
    & skf21("1","2","2","1","4","2","4","1") = "3"
    & skf21("1","2","2","1","4","2","5","1") = "4"
    & skf21("1","2","2","1","4","2","6","1") = "5"
    & skf21("1","2","2","1","4","2","7","1") = "6"
    & skf21("1","2","2","1","4","3","1","1") = "3"
    & skf21("1","2","2","1","4","3","2","1") = "3"
    & skf21("1","2","2","1","4","3","3","1") = "3"
    & skf21("1","2","2","1","4","3","4","1") = "3"
    & skf21("1","2","2","1","4","3","5","1") = "4"
    & skf21("1","2","2","1","4","3","6","1") = "5"
    & skf21("1","2","2","1","4","3","7","1") = "6"
    & skf21("1","2","2","1","4","4","1","1") = "3"
    & skf21("1","2","2","1","4","4","2","1") = "3"
    & skf21("1","2","2","1","4","4","3","1") = "3"
    & skf21("1","2","2","1","4","4","4","1") = "3"
    & skf21("1","2","2","1","4","4","5","1") = "4"
    & skf21("1","2","2","1","4","4","6","1") = "5"
    & skf21("1","2","2","1","4","4","7","1") = "6"
    & skf21("1","2","2","1","4","5","1","1") = "4"
    & skf21("1","2","2","1","4","5","2","1") = "4"
    & skf21("1","2","2","1","4","5","3","1") = "4"
    & skf21("1","2","2","1","4","5","4","1") = "4"
    & skf21("1","2","2","1","4","5","5","1") = "4"
    & skf21("1","2","2","1","4","5","6","1") = "5"
    & skf21("1","2","2","1","4","5","7","1") = "6"
    & skf21("1","2","2","1","4","6","1","1") = "5"
    & skf21("1","2","2","1","4","6","2","1") = "5"
    & skf21("1","2","2","1","4","6","3","1") = "5"
    & skf21("1","2","2","1","4","6","4","1") = "5"
    & skf21("1","2","2","1","4","6","5","1") = "5"
    & skf21("1","2","2","1","4","6","6","1") = "5"
    & skf21("1","2","2","1","4","6","7","1") = "6"
    & skf21("1","2","2","1","4","7","1","1") = "6"
    & skf21("1","2","2","1","4","7","2","1") = "6"
    & skf21("1","2","2","1","4","7","3","1") = "6"
    & skf21("1","2","2","1","4","7","4","1") = "6"
    & skf21("1","2","2","1","4","7","5","1") = "6"
    & skf21("1","2","2","1","4","7","6","1") = "6"
    & skf21("1","2","2","1","4","7","7","1") = "6"
    & skf21("1","2","2","1","5","1","1","1") = "4"
    & skf21("1","2","2","1","5","1","2","1") = "4"
    & skf21("1","2","2","1","5","1","3","1") = "4"
    & skf21("1","2","2","1","5","1","4","1") = "4"
    & skf21("1","2","2","1","5","1","5","1") = "4"
    & skf21("1","2","2","1","5","1","6","1") = "5"
    & skf21("1","2","2","1","5","1","7","1") = "6"
    & skf21("1","2","2","1","5","2","1","1") = "4"
    & skf21("1","2","2","1","5","2","2","1") = "4"
    & skf21("1","2","2","1","5","2","3","1") = "4"
    & skf21("1","2","2","1","5","2","4","1") = "4"
    & skf21("1","2","2","1","5","2","5","1") = "4"
    & skf21("1","2","2","1","5","2","6","1") = "5"
    & skf21("1","2","2","1","5","2","7","1") = "6"
    & skf21("1","2","2","1","5","3","1","1") = "4"
    & skf21("1","2","2","1","5","3","2","1") = "4"
    & skf21("1","2","2","1","5","3","3","1") = "4"
    & skf21("1","2","2","1","5","3","4","1") = "4"
    & skf21("1","2","2","1","5","3","5","1") = "4"
    & skf21("1","2","2","1","5","3","6","1") = "5"
    & skf21("1","2","2","1","5","3","7","1") = "6"
    & skf21("1","2","2","1","5","4","1","1") = "4"
    & skf21("1","2","2","1","5","4","2","1") = "4"
    & skf21("1","2","2","1","5","4","3","1") = "4"
    & skf21("1","2","2","1","5","4","4","1") = "4"
    & skf21("1","2","2","1","5","4","5","1") = "4"
    & skf21("1","2","2","1","5","4","6","1") = "5"
    & skf21("1","2","2","1","5","4","7","1") = "6"
    & skf21("1","2","2","1","5","5","1","1") = "4"
    & skf21("1","2","2","1","5","5","2","1") = "4"
    & skf21("1","2","2","1","5","5","3","1") = "4"
    & skf21("1","2","2","1","5","5","4","1") = "4"
    & skf21("1","2","2","1","5","5","5","1") = "4"
    & skf21("1","2","2","1","5","5","6","1") = "5"
    & skf21("1","2","2","1","5","5","7","1") = "6"
    & skf21("1","2","2","1","5","6","1","1") = "5"
    & skf21("1","2","2","1","5","6","2","1") = "5"
    & skf21("1","2","2","1","5","6","3","1") = "5"
    & skf21("1","2","2","1","5","6","4","1") = "5"
    & skf21("1","2","2","1","5","6","5","1") = "5"
    & skf21("1","2","2","1","5","6","6","1") = "5"
    & skf21("1","2","2","1","5","6","7","1") = "6"
    & skf21("1","2","2","1","5","7","1","1") = "6"
    & skf21("1","2","2","1","5","7","2","1") = "6"
    & skf21("1","2","2","1","5","7","3","1") = "6"
    & skf21("1","2","2","1","5","7","4","1") = "6"
    & skf21("1","2","2","1","5","7","5","1") = "6"
    & skf21("1","2","2","1","5","7","6","1") = "6"
    & skf21("1","2","2","1","5","7","7","1") = "6"
    & skf21("1","2","2","1","6","1","1","1") = "5"
    & skf21("1","2","2","1","6","1","2","1") = "5"
    & skf21("1","2","2","1","6","1","3","1") = "5"
    & skf21("1","2","2","1","6","1","4","1") = "5"
    & skf21("1","2","2","1","6","1","5","1") = "5"
    & skf21("1","2","2","1","6","1","6","1") = "5"
    & skf21("1","2","2","1","6","1","7","1") = "6"
    & skf21("1","2","2","1","6","2","1","1") = "5"
    & skf21("1","2","2","1","6","2","2","1") = "5"
    & skf21("1","2","2","1","6","2","3","1") = "5"
    & skf21("1","2","2","1","6","2","4","1") = "5"
    & skf21("1","2","2","1","6","2","5","1") = "5"
    & skf21("1","2","2","1","6","2","6","1") = "5"
    & skf21("1","2","2","1","6","2","7","1") = "6"
    & skf21("1","2","2","1","6","3","1","1") = "5"
    & skf21("1","2","2","1","6","3","2","1") = "5"
    & skf21("1","2","2","1","6","3","3","1") = "5"
    & skf21("1","2","2","1","6","3","4","1") = "5"
    & skf21("1","2","2","1","6","3","5","1") = "5"
    & skf21("1","2","2","1","6","3","6","1") = "5"
    & skf21("1","2","2","1","6","3","7","1") = "6"
    & skf21("1","2","2","1","6","4","1","1") = "5"
    & skf21("1","2","2","1","6","4","2","1") = "5"
    & skf21("1","2","2","1","6","4","3","1") = "5"
    & skf21("1","2","2","1","6","4","4","1") = "5"
    & skf21("1","2","2","1","6","4","5","1") = "5"
    & skf21("1","2","2","1","6","4","6","1") = "5"
    & skf21("1","2","2","1","6","4","7","1") = "6"
    & skf21("1","2","2","1","6","5","1","1") = "5"
    & skf21("1","2","2","1","6","5","2","1") = "5"
    & skf21("1","2","2","1","6","5","3","1") = "5"
    & skf21("1","2","2","1","6","5","4","1") = "5"
    & skf21("1","2","2","1","6","5","5","1") = "5"
    & skf21("1","2","2","1","6","5","6","1") = "5"
    & skf21("1","2","2","1","6","5","7","1") = "6"
    & skf21("1","2","2","1","6","6","1","1") = "5"
    & skf21("1","2","2","1","6","6","2","1") = "5"
    & skf21("1","2","2","1","6","6","3","1") = "5"
    & skf21("1","2","2","1","6","6","4","1") = "5"
    & skf21("1","2","2","1","6","6","5","1") = "5"
    & skf21("1","2","2","1","6","6","6","1") = "5"
    & skf21("1","2","2","1","6","6","7","1") = "6"
    & skf21("1","2","2","1","6","7","1","1") = "6"
    & skf21("1","2","2","1","6","7","2","1") = "6"
    & skf21("1","2","2","1","6","7","3","1") = "6"
    & skf21("1","2","2","1","6","7","4","1") = "6"
    & skf21("1","2","2","1","6","7","5","1") = "6"
    & skf21("1","2","2","1","6","7","6","1") = "6"
    & skf21("1","2","2","1","6","7","7","1") = "6"
    & skf21("1","2","2","1","7","1","1","1") = "6"
    & skf21("1","2","2","1","7","1","2","1") = "6"
    & skf21("1","2","2","1","7","1","3","1") = "6"
    & skf21("1","2","2","1","7","1","4","1") = "6"
    & skf21("1","2","2","1","7","1","5","1") = "6"
    & skf21("1","2","2","1","7","1","6","1") = "6"
    & skf21("1","2","2","1","7","1","7","1") = "6"
    & skf21("1","2","2","1","7","2","1","1") = "6"
    & skf21("1","2","2","1","7","2","2","1") = "6"
    & skf21("1","2","2","1","7","2","3","1") = "6"
    & skf21("1","2","2","1","7","2","4","1") = "6"
    & skf21("1","2","2","1","7","2","5","1") = "6"
    & skf21("1","2","2","1","7","2","6","1") = "6"
    & skf21("1","2","2","1","7","2","7","1") = "6"
    & skf21("1","2","2","1","7","3","1","1") = "6"
    & skf21("1","2","2","1","7","3","2","1") = "6"
    & skf21("1","2","2","1","7","3","3","1") = "6"
    & skf21("1","2","2","1","7","3","4","1") = "6"
    & skf21("1","2","2","1","7","3","5","1") = "6"
    & skf21("1","2","2","1","7","3","6","1") = "6"
    & skf21("1","2","2","1","7","3","7","1") = "6"
    & skf21("1","2","2","1","7","4","1","1") = "6"
    & skf21("1","2","2","1","7","4","2","1") = "6"
    & skf21("1","2","2","1","7","4","3","1") = "6"
    & skf21("1","2","2","1","7","4","4","1") = "6"
    & skf21("1","2","2","1","7","4","5","1") = "6"
    & skf21("1","2","2","1","7","4","6","1") = "6"
    & skf21("1","2","2","1","7","4","7","1") = "6"
    & skf21("1","2","2","1","7","5","1","1") = "6"
    & skf21("1","2","2","1","7","5","2","1") = "6"
    & skf21("1","2","2","1","7","5","3","1") = "6"
    & skf21("1","2","2","1","7","5","4","1") = "6"
    & skf21("1","2","2","1","7","5","5","1") = "6"
    & skf21("1","2","2","1","7","5","6","1") = "6"
    & skf21("1","2","2","1","7","5","7","1") = "6"
    & skf21("1","2","2","1","7","6","1","1") = "6"
    & skf21("1","2","2","1","7","6","2","1") = "6"
    & skf21("1","2","2","1","7","6","3","1") = "6"
    & skf21("1","2","2","1","7","6","4","1") = "6"
    & skf21("1","2","2","1","7","6","5","1") = "6"
    & skf21("1","2","2","1","7","6","6","1") = "6"
    & skf21("1","2","2","1","7","6","7","1") = "6"
    & skf21("1","2","2","1","7","7","1","1") = "6"
    & skf21("1","2","2","1","7","7","2","1") = "6"
    & skf21("1","2","2","1","7","7","3","1") = "6"
    & skf21("1","2","2","1","7","7","4","1") = "6"
    & skf21("1","2","2","1","7","7","5","1") = "6"
    & skf21("1","2","2","1","7","7","6","1") = "6"
    & skf21("1","2","2","1","7","7","7","1") = "6"
    & skf21("1","2","2","2","1","1","1","1") = "1"
    & skf21("1","2","2","2","1","1","2","1") = "1"
    & skf21("1","2","2","2","1","1","3","1") = "2"
    & skf21("1","2","2","2","1","1","4","1") = "3"
    & skf21("1","2","2","2","1","1","5","1") = "4"
    & skf21("1","2","2","2","1","1","6","1") = "5"
    & skf21("1","2","2","2","1","1","7","1") = "6"
    & skf21("1","2","2","2","1","2","1","1") = "1"
    & skf21("1","2","2","2","1","2","2","1") = "1"
    & skf21("1","2","2","2","1","2","3","1") = "2"
    & skf21("1","2","2","2","1","2","4","1") = "3"
    & skf21("1","2","2","2","1","2","5","1") = "4"
    & skf21("1","2","2","2","1","2","6","1") = "5"
    & skf21("1","2","2","2","1","2","7","1") = "6"
    & skf21("1","2","2","2","1","3","1","1") = "2"
    & skf21("1","2","2","2","1","3","2","1") = "2"
    & skf21("1","2","2","2","1","3","3","1") = "2"
    & skf21("1","2","2","2","1","3","4","1") = "3"
    & skf21("1","2","2","2","1","3","5","1") = "4"
    & skf21("1","2","2","2","1","3","6","1") = "5"
    & skf21("1","2","2","2","1","3","7","1") = "6"
    & skf21("1","2","2","2","1","4","1","1") = "3"
    & skf21("1","2","2","2","1","4","2","1") = "3"
    & skf21("1","2","2","2","1","4","3","1") = "3"
    & skf21("1","2","2","2","1","4","4","1") = "3"
    & skf21("1","2","2","2","1","4","5","1") = "4"
    & skf21("1","2","2","2","1","4","6","1") = "5"
    & skf21("1","2","2","2","1","4","7","1") = "6"
    & skf21("1","2","2","2","1","5","1","1") = "4"
    & skf21("1","2","2","2","1","5","2","1") = "4"
    & skf21("1","2","2","2","1","5","3","1") = "4"
    & skf21("1","2","2","2","1","5","4","1") = "4"
    & skf21("1","2","2","2","1","5","5","1") = "4"
    & skf21("1","2","2","2","1","5","6","1") = "5"
    & skf21("1","2","2","2","1","5","7","1") = "6"
    & skf21("1","2","2","2","1","6","1","1") = "5"
    & skf21("1","2","2","2","1","6","2","1") = "5"
    & skf21("1","2","2","2","1","6","3","1") = "5"
    & skf21("1","2","2","2","1","6","4","1") = "5"
    & skf21("1","2","2","2","1","6","5","1") = "5"
    & skf21("1","2","2","2","1","6","6","1") = "5"
    & skf21("1","2","2","2","1","6","7","1") = "6"
    & skf21("1","2","2","2","1","7","1","1") = "6"
    & skf21("1","2","2","2","1","7","2","1") = "6"
    & skf21("1","2","2","2","1","7","3","1") = "6"
    & skf21("1","2","2","2","1","7","4","1") = "6"
    & skf21("1","2","2","2","1","7","5","1") = "6"
    & skf21("1","2","2","2","1","7","6","1") = "6"
    & skf21("1","2","2","2","1","7","7","1") = "6"
    & skf21("1","2","2","2","2","1","1","1") = "1"
    & skf21("1","2","2","2","2","1","2","1") = "1"
    & skf21("1","2","2","2","2","1","3","1") = "2"
    & skf21("1","2","2","2","2","1","4","1") = "3"
    & skf21("1","2","2","2","2","1","5","1") = "4"
    & skf21("1","2","2","2","2","1","6","1") = "5"
    & skf21("1","2","2","2","2","1","7","1") = "6"
    & skf21("1","2","2","2","2","2","1","1") = "1"
    & skf21("1","2","2","2","2","2","2","1") = "1"
    & skf21("1","2","2","2","2","2","3","1") = "2"
    & skf21("1","2","2","2","2","2","4","1") = "3"
    & skf21("1","2","2","2","2","2","5","1") = "4"
    & skf21("1","2","2","2","2","2","6","1") = "5"
    & skf21("1","2","2","2","2","2","7","1") = "6"
    & skf21("1","2","2","2","2","3","1","1") = "2"
    & skf21("1","2","2","2","2","3","2","1") = "2"
    & skf21("1","2","2","2","2","3","3","1") = "2"
    & skf21("1","2","2","2","2","3","4","1") = "3"
    & skf21("1","2","2","2","2","3","5","1") = "4"
    & skf21("1","2","2","2","2","3","6","1") = "5"
    & skf21("1","2","2","2","2","3","7","1") = "6"
    & skf21("1","2","2","2","2","4","1","1") = "3"
    & skf21("1","2","2","2","2","4","2","1") = "3"
    & skf21("1","2","2","2","2","4","3","1") = "3"
    & skf21("1","2","2","2","2","4","4","1") = "3"
    & skf21("1","2","2","2","2","4","5","1") = "4"
    & skf21("1","2","2","2","2","4","6","1") = "5"
    & skf21("1","2","2","2","2","4","7","1") = "6"
    & skf21("1","2","2","2","2","5","1","1") = "4"
    & skf21("1","2","2","2","2","5","2","1") = "4"
    & skf21("1","2","2","2","2","5","3","1") = "4"
    & skf21("1","2","2","2","2","5","4","1") = "4"
    & skf21("1","2","2","2","2","5","5","1") = "4"
    & skf21("1","2","2","2","2","5","6","1") = "5"
    & skf21("1","2","2","2","2","5","7","1") = "6"
    & skf21("1","2","2","2","2","6","1","1") = "5"
    & skf21("1","2","2","2","2","6","2","1") = "5"
    & skf21("1","2","2","2","2","6","3","1") = "5"
    & skf21("1","2","2","2","2","6","4","1") = "5"
    & skf21("1","2","2","2","2","6","5","1") = "5"
    & skf21("1","2","2","2","2","6","6","1") = "5"
    & skf21("1","2","2","2","2","6","7","1") = "6"
    & skf21("1","2","2","2","2","7","1","1") = "6"
    & skf21("1","2","2","2","2","7","2","1") = "6"
    & skf21("1","2","2","2","2","7","3","1") = "6"
    & skf21("1","2","2","2","2","7","4","1") = "6"
    & skf21("1","2","2","2","2","7","5","1") = "6"
    & skf21("1","2","2","2","2","7","6","1") = "6"
    & skf21("1","2","2","2","2","7","7","1") = "6"
    & skf21("1","2","2","2","3","1","1","1") = "2"
    & skf21("1","2","2","2","3","1","2","1") = "2"
    & skf21("1","2","2","2","3","1","3","1") = "2"
    & skf21("1","2","2","2","3","1","4","1") = "3"
    & skf21("1","2","2","2","3","1","5","1") = "4"
    & skf21("1","2","2","2","3","1","6","1") = "5"
    & skf21("1","2","2","2","3","1","7","1") = "6"
    & skf21("1","2","2","2","3","2","1","1") = "2"
    & skf21("1","2","2","2","3","2","2","1") = "2"
    & skf21("1","2","2","2","3","2","3","1") = "2"
    & skf21("1","2","2","2","3","2","4","1") = "3"
    & skf21("1","2","2","2","3","2","5","1") = "4"
    & skf21("1","2","2","2","3","2","6","1") = "5"
    & skf21("1","2","2","2","3","2","7","1") = "6"
    & skf21("1","2","2","2","3","3","1","1") = "2"
    & skf21("1","2","2","2","3","3","2","1") = "2"
    & skf21("1","2","2","2","3","3","3","1") = "2"
    & skf21("1","2","2","2","3","3","4","1") = "3"
    & skf21("1","2","2","2","3","3","5","1") = "4"
    & skf21("1","2","2","2","3","3","6","1") = "5"
    & skf21("1","2","2","2","3","3","7","1") = "6"
    & skf21("1","2","2","2","3","4","1","1") = "3"
    & skf21("1","2","2","2","3","4","2","1") = "3"
    & skf21("1","2","2","2","3","4","3","1") = "3"
    & skf21("1","2","2","2","3","4","4","1") = "3"
    & skf21("1","2","2","2","3","4","5","1") = "4"
    & skf21("1","2","2","2","3","4","6","1") = "5"
    & skf21("1","2","2","2","3","4","7","1") = "6"
    & skf21("1","2","2","2","3","5","1","1") = "4"
    & skf21("1","2","2","2","3","5","2","1") = "4"
    & skf21("1","2","2","2","3","5","3","1") = "4"
    & skf21("1","2","2","2","3","5","4","1") = "4"
    & skf21("1","2","2","2","3","5","5","1") = "4"
    & skf21("1","2","2","2","3","5","6","1") = "5"
    & skf21("1","2","2","2","3","5","7","1") = "6"
    & skf21("1","2","2","2","3","6","1","1") = "5"
    & skf21("1","2","2","2","3","6","2","1") = "5"
    & skf21("1","2","2","2","3","6","3","1") = "5"
    & skf21("1","2","2","2","3","6","4","1") = "5"
    & skf21("1","2","2","2","3","6","5","1") = "5"
    & skf21("1","2","2","2","3","6","6","1") = "5"
    & skf21("1","2","2","2","3","6","7","1") = "6"
    & skf21("1","2","2","2","3","7","1","1") = "6"
    & skf21("1","2","2","2","3","7","2","1") = "6"
    & skf21("1","2","2","2","3","7","3","1") = "6"
    & skf21("1","2","2","2","3","7","4","1") = "6"
    & skf21("1","2","2","2","3","7","5","1") = "6"
    & skf21("1","2","2","2","3","7","6","1") = "6"
    & skf21("1","2","2","2","3","7","7","1") = "6"
    & skf21("1","2","2","2","4","1","1","1") = "3"
    & skf21("1","2","2","2","4","1","2","1") = "3"
    & skf21("1","2","2","2","4","1","3","1") = "3"
    & skf21("1","2","2","2","4","1","4","1") = "3"
    & skf21("1","2","2","2","4","1","5","1") = "4"
    & skf21("1","2","2","2","4","1","6","1") = "5"
    & skf21("1","2","2","2","4","1","7","1") = "6"
    & skf21("1","2","2","2","4","2","1","1") = "3"
    & skf21("1","2","2","2","4","2","2","1") = "3"
    & skf21("1","2","2","2","4","2","3","1") = "3"
    & skf21("1","2","2","2","4","2","4","1") = "3"
    & skf21("1","2","2","2","4","2","5","1") = "4"
    & skf21("1","2","2","2","4","2","6","1") = "5"
    & skf21("1","2","2","2","4","2","7","1") = "6"
    & skf21("1","2","2","2","4","3","1","1") = "3"
    & skf21("1","2","2","2","4","3","2","1") = "3"
    & skf21("1","2","2","2","4","3","3","1") = "3"
    & skf21("1","2","2","2","4","3","4","1") = "3"
    & skf21("1","2","2","2","4","3","5","1") = "4"
    & skf21("1","2","2","2","4","3","6","1") = "5"
    & skf21("1","2","2","2","4","3","7","1") = "6"
    & skf21("1","2","2","2","4","4","1","1") = "3"
    & skf21("1","2","2","2","4","4","2","1") = "3"
    & skf21("1","2","2","2","4","4","3","1") = "3"
    & skf21("1","2","2","2","4","4","4","1") = "3"
    & skf21("1","2","2","2","4","4","5","1") = "4"
    & skf21("1","2","2","2","4","4","6","1") = "5"
    & skf21("1","2","2","2","4","4","7","1") = "6"
    & skf21("1","2","2","2","4","5","1","1") = "4"
    & skf21("1","2","2","2","4","5","2","1") = "4"
    & skf21("1","2","2","2","4","5","3","1") = "4"
    & skf21("1","2","2","2","4","5","4","1") = "4"
    & skf21("1","2","2","2","4","5","5","1") = "4"
    & skf21("1","2","2","2","4","5","6","1") = "5"
    & skf21("1","2","2","2","4","5","7","1") = "6"
    & skf21("1","2","2","2","4","6","1","1") = "5"
    & skf21("1","2","2","2","4","6","2","1") = "5"
    & skf21("1","2","2","2","4","6","3","1") = "5"
    & skf21("1","2","2","2","4","6","4","1") = "5"
    & skf21("1","2","2","2","4","6","5","1") = "5"
    & skf21("1","2","2","2","4","6","6","1") = "5"
    & skf21("1","2","2","2","4","6","7","1") = "6"
    & skf21("1","2","2","2","4","7","1","1") = "6"
    & skf21("1","2","2","2","4","7","2","1") = "6"
    & skf21("1","2","2","2","4","7","3","1") = "6"
    & skf21("1","2","2","2","4","7","4","1") = "6"
    & skf21("1","2","2","2","4","7","5","1") = "6"
    & skf21("1","2","2","2","4","7","6","1") = "6"
    & skf21("1","2","2","2","4","7","7","1") = "6"
    & skf21("1","2","2","2","5","1","1","1") = "4"
    & skf21("1","2","2","2","5","1","2","1") = "4"
    & skf21("1","2","2","2","5","1","3","1") = "4"
    & skf21("1","2","2","2","5","1","4","1") = "4"
    & skf21("1","2","2","2","5","1","5","1") = "4"
    & skf21("1","2","2","2","5","1","6","1") = "5"
    & skf21("1","2","2","2","5","1","7","1") = "6"
    & skf21("1","2","2","2","5","2","1","1") = "4"
    & skf21("1","2","2","2","5","2","2","1") = "4"
    & skf21("1","2","2","2","5","2","3","1") = "4"
    & skf21("1","2","2","2","5","2","4","1") = "4"
    & skf21("1","2","2","2","5","2","5","1") = "4"
    & skf21("1","2","2","2","5","2","6","1") = "5"
    & skf21("1","2","2","2","5","2","7","1") = "6"
    & skf21("1","2","2","2","5","3","1","1") = "4"
    & skf21("1","2","2","2","5","3","2","1") = "4"
    & skf21("1","2","2","2","5","3","3","1") = "4"
    & skf21("1","2","2","2","5","3","4","1") = "4"
    & skf21("1","2","2","2","5","3","5","1") = "4"
    & skf21("1","2","2","2","5","3","6","1") = "5"
    & skf21("1","2","2","2","5","3","7","1") = "6"
    & skf21("1","2","2","2","5","4","1","1") = "4"
    & skf21("1","2","2","2","5","4","2","1") = "4"
    & skf21("1","2","2","2","5","4","3","1") = "4"
    & skf21("1","2","2","2","5","4","4","1") = "4"
    & skf21("1","2","2","2","5","4","5","1") = "4"
    & skf21("1","2","2","2","5","4","6","1") = "5"
    & skf21("1","2","2","2","5","4","7","1") = "6"
    & skf21("1","2","2","2","5","5","1","1") = "4"
    & skf21("1","2","2","2","5","5","2","1") = "4"
    & skf21("1","2","2","2","5","5","3","1") = "4"
    & skf21("1","2","2","2","5","5","4","1") = "4"
    & skf21("1","2","2","2","5","5","5","1") = "4"
    & skf21("1","2","2","2","5","5","6","1") = "5"
    & skf21("1","2","2","2","5","5","7","1") = "6"
    & skf21("1","2","2","2","5","6","1","1") = "5"
    & skf21("1","2","2","2","5","6","2","1") = "5"
    & skf21("1","2","2","2","5","6","3","1") = "5"
    & skf21("1","2","2","2","5","6","4","1") = "5"
    & skf21("1","2","2","2","5","6","5","1") = "5"
    & skf21("1","2","2","2","5","6","6","1") = "5"
    & skf21("1","2","2","2","5","6","7","1") = "6"
    & skf21("1","2","2","2","5","7","1","1") = "6"
    & skf21("1","2","2","2","5","7","2","1") = "6"
    & skf21("1","2","2","2","5","7","3","1") = "6"
    & skf21("1","2","2","2","5","7","4","1") = "6"
    & skf21("1","2","2","2","5","7","5","1") = "6"
    & skf21("1","2","2","2","5","7","6","1") = "6"
    & skf21("1","2","2","2","5","7","7","1") = "6"
    & skf21("1","2","2","2","6","1","1","1") = "5"
    & skf21("1","2","2","2","6","1","2","1") = "5"
    & skf21("1","2","2","2","6","1","3","1") = "5"
    & skf21("1","2","2","2","6","1","4","1") = "5"
    & skf21("1","2","2","2","6","1","5","1") = "5"
    & skf21("1","2","2","2","6","1","6","1") = "5"
    & skf21("1","2","2","2","6","1","7","1") = "6"
    & skf21("1","2","2","2","6","2","1","1") = "5"
    & skf21("1","2","2","2","6","2","2","1") = "5"
    & skf21("1","2","2","2","6","2","3","1") = "5"
    & skf21("1","2","2","2","6","2","4","1") = "5"
    & skf21("1","2","2","2","6","2","5","1") = "5"
    & skf21("1","2","2","2","6","2","6","1") = "5"
    & skf21("1","2","2","2","6","2","7","1") = "6"
    & skf21("1","2","2","2","6","3","1","1") = "5"
    & skf21("1","2","2","2","6","3","2","1") = "5"
    & skf21("1","2","2","2","6","3","3","1") = "5"
    & skf21("1","2","2","2","6","3","4","1") = "5"
    & skf21("1","2","2","2","6","3","5","1") = "5"
    & skf21("1","2","2","2","6","3","6","1") = "5"
    & skf21("1","2","2","2","6","3","7","1") = "6"
    & skf21("1","2","2","2","6","4","1","1") = "5"
    & skf21("1","2","2","2","6","4","2","1") = "5"
    & skf21("1","2","2","2","6","4","3","1") = "5"
    & skf21("1","2","2","2","6","4","4","1") = "5"
    & skf21("1","2","2","2","6","4","5","1") = "5"
    & skf21("1","2","2","2","6","4","6","1") = "5"
    & skf21("1","2","2","2","6","4","7","1") = "6"
    & skf21("1","2","2","2","6","5","1","1") = "5"
    & skf21("1","2","2","2","6","5","2","1") = "5"
    & skf21("1","2","2","2","6","5","3","1") = "5"
    & skf21("1","2","2","2","6","5","4","1") = "5"
    & skf21("1","2","2","2","6","5","5","1") = "5"
    & skf21("1","2","2","2","6","5","6","1") = "5"
    & skf21("1","2","2","2","6","5","7","1") = "6"
    & skf21("1","2","2","2","6","6","1","1") = "5"
    & skf21("1","2","2","2","6","6","2","1") = "5"
    & skf21("1","2","2","2","6","6","3","1") = "5"
    & skf21("1","2","2","2","6","6","4","1") = "5"
    & skf21("1","2","2","2","6","6","5","1") = "5"
    & skf21("1","2","2","2","6","6","6","1") = "5"
    & skf21("1","2","2","2","6","6","7","1") = "6"
    & skf21("1","2","2","2","6","7","1","1") = "6"
    & skf21("1","2","2","2","6","7","2","1") = "6"
    & skf21("1","2","2","2","6","7","3","1") = "6"
    & skf21("1","2","2","2","6","7","4","1") = "6"
    & skf21("1","2","2","2","6","7","5","1") = "6"
    & skf21("1","2","2","2","6","7","6","1") = "6"
    & skf21("1","2","2","2","6","7","7","1") = "6"
    & skf21("1","2","2","2","7","1","1","1") = "6"
    & skf21("1","2","2","2","7","1","2","1") = "6"
    & skf21("1","2","2","2","7","1","3","1") = "6"
    & skf21("1","2","2","2","7","1","4","1") = "6"
    & skf21("1","2","2","2","7","1","5","1") = "6"
    & skf21("1","2","2","2","7","1","6","1") = "6"
    & skf21("1","2","2","2","7","1","7","1") = "6"
    & skf21("1","2","2","2","7","2","1","1") = "6"
    & skf21("1","2","2","2","7","2","2","1") = "6"
    & skf21("1","2","2","2","7","2","3","1") = "6"
    & skf21("1","2","2","2","7","2","4","1") = "6"
    & skf21("1","2","2","2","7","2","5","1") = "6"
    & skf21("1","2","2","2","7","2","6","1") = "6"
    & skf21("1","2","2","2","7","2","7","1") = "6"
    & skf21("1","2","2","2","7","3","1","1") = "6"
    & skf21("1","2","2","2","7","3","2","1") = "6"
    & skf21("1","2","2","2","7","3","3","1") = "6"
    & skf21("1","2","2","2","7","3","4","1") = "6"
    & skf21("1","2","2","2","7","3","5","1") = "6"
    & skf21("1","2","2","2","7","3","6","1") = "6"
    & skf21("1","2","2","2","7","3","7","1") = "6"
    & skf21("1","2","2","2","7","4","1","1") = "6"
    & skf21("1","2","2","2","7","4","2","1") = "6"
    & skf21("1","2","2","2","7","4","3","1") = "6"
    & skf21("1","2","2","2","7","4","4","1") = "6"
    & skf21("1","2","2","2","7","4","5","1") = "6"
    & skf21("1","2","2","2","7","4","6","1") = "6"
    & skf21("1","2","2","2","7","4","7","1") = "6"
    & skf21("1","2","2","2","7","5","1","1") = "6"
    & skf21("1","2","2","2","7","5","2","1") = "6"
    & skf21("1","2","2","2","7","5","3","1") = "6"
    & skf21("1","2","2","2","7","5","4","1") = "6"
    & skf21("1","2","2","2","7","5","5","1") = "6"
    & skf21("1","2","2","2","7","5","6","1") = "6"
    & skf21("1","2","2","2","7","5","7","1") = "6"
    & skf21("1","2","2","2","7","6","1","1") = "6"
    & skf21("1","2","2","2","7","6","2","1") = "6"
    & skf21("1","2","2","2","7","6","3","1") = "6"
    & skf21("1","2","2","2","7","6","4","1") = "6"
    & skf21("1","2","2","2","7","6","5","1") = "6"
    & skf21("1","2","2","2","7","6","6","1") = "6"
    & skf21("1","2","2","2","7","6","7","1") = "6"
    & skf21("1","2","2","2","7","7","1","1") = "6"
    & skf21("1","2","2","2","7","7","2","1") = "6"
    & skf21("1","2","2","2","7","7","3","1") = "6"
    & skf21("1","2","2","2","7","7","4","1") = "6"
    & skf21("1","2","2","2","7","7","5","1") = "6"
    & skf21("1","2","2","2","7","7","6","1") = "6"
    & skf21("1","2","2","2","7","7","7","1") = "6"
    & skf21("1","2","2","3","1","1","1","1") = "2"
    & skf21("1","2","2","3","1","1","2","1") = "2"
    & skf21("1","2","2","3","1","1","3","1") = "2"
    & skf21("1","2","2","3","1","1","4","1") = "3"
    & skf21("1","2","2","3","1","1","5","1") = "4"
    & skf21("1","2","2","3","1","1","6","1") = "5"
    & skf21("1","2","2","3","1","1","7","1") = "6"
    & skf21("1","2","2","3","1","2","1","1") = "2"
    & skf21("1","2","2","3","1","2","2","1") = "2"
    & skf21("1","2","2","3","1","2","3","1") = "2"
    & skf21("1","2","2","3","1","2","4","1") = "3"
    & skf21("1","2","2","3","1","2","5","1") = "4"
    & skf21("1","2","2","3","1","2","6","1") = "5"
    & skf21("1","2","2","3","1","2","7","1") = "6"
    & skf21("1","2","2","3","1","3","1","1") = "2"
    & skf21("1","2","2","3","1","3","2","1") = "2"
    & skf21("1","2","2","3","1","3","3","1") = "2"
    & skf21("1","2","2","3","1","3","4","1") = "3"
    & skf21("1","2","2","3","1","3","5","1") = "4"
    & skf21("1","2","2","3","1","3","6","1") = "5"
    & skf21("1","2","2","3","1","3","7","1") = "6"
    & skf21("1","2","2","3","1","4","1","1") = "3"
    & skf21("1","2","2","3","1","4","2","1") = "3"
    & skf21("1","2","2","3","1","4","3","1") = "3"
    & skf21("1","2","2","3","1","4","4","1") = "3"
    & skf21("1","2","2","3","1","4","5","1") = "4"
    & skf21("1","2","2","3","1","4","6","1") = "5"
    & skf21("1","2","2","3","1","4","7","1") = "6"
    & skf21("1","2","2","3","1","5","1","1") = "4"
    & skf21("1","2","2","3","1","5","2","1") = "4"
    & skf21("1","2","2","3","1","5","3","1") = "4"
    & skf21("1","2","2","3","1","5","4","1") = "4"
    & skf21("1","2","2","3","1","5","5","1") = "4"
    & skf21("1","2","2","3","1","5","6","1") = "5"
    & skf21("1","2","2","3","1","5","7","1") = "6"
    & skf21("1","2","2","3","1","6","1","1") = "5"
    & skf21("1","2","2","3","1","6","2","1") = "5"
    & skf21("1","2","2","3","1","6","3","1") = "5"
    & skf21("1","2","2","3","1","6","4","1") = "5"
    & skf21("1","2","2","3","1","6","5","1") = "5"
    & skf21("1","2","2","3","1","6","6","1") = "5"
    & skf21("1","2","2","3","1","6","7","1") = "6"
    & skf21("1","2","2","3","1","7","1","1") = "6"
    & skf21("1","2","2","3","1","7","2","1") = "6"
    & skf21("1","2","2","3","1","7","3","1") = "6"
    & skf21("1","2","2","3","1","7","4","1") = "6"
    & skf21("1","2","2","3","1","7","5","1") = "6"
    & skf21("1","2","2","3","1","7","6","1") = "6"
    & skf21("1","2","2","3","1","7","7","1") = "6"
    & skf21("1","2","2","3","2","1","1","1") = "2"
    & skf21("1","2","2","3","2","1","2","1") = "2"
    & skf21("1","2","2","3","2","1","3","1") = "2"
    & skf21("1","2","2","3","2","1","4","1") = "3"
    & skf21("1","2","2","3","2","1","5","1") = "4"
    & skf21("1","2","2","3","2","1","6","1") = "5"
    & skf21("1","2","2","3","2","1","7","1") = "6"
    & skf21("1","2","2","3","2","2","1","1") = "2"
    & skf21("1","2","2","3","2","2","2","1") = "2"
    & skf21("1","2","2","3","2","2","3","1") = "2"
    & skf21("1","2","2","3","2","2","4","1") = "3"
    & skf21("1","2","2","3","2","2","5","1") = "4"
    & skf21("1","2","2","3","2","2","6","1") = "5"
    & skf21("1","2","2","3","2","2","7","1") = "6"
    & skf21("1","2","2","3","2","3","1","1") = "2"
    & skf21("1","2","2","3","2","3","2","1") = "2"
    & skf21("1","2","2","3","2","3","3","1") = "2"
    & skf21("1","2","2","3","2","3","4","1") = "3"
    & skf21("1","2","2","3","2","3","5","1") = "4"
    & skf21("1","2","2","3","2","3","6","1") = "5"
    & skf21("1","2","2","3","2","3","7","1") = "6"
    & skf21("1","2","2","3","2","4","1","1") = "3"
    & skf21("1","2","2","3","2","4","2","1") = "3"
    & skf21("1","2","2","3","2","4","3","1") = "3"
    & skf21("1","2","2","3","2","4","4","1") = "3"
    & skf21("1","2","2","3","2","4","5","1") = "4"
    & skf21("1","2","2","3","2","4","6","1") = "5"
    & skf21("1","2","2","3","2","4","7","1") = "6"
    & skf21("1","2","2","3","2","5","1","1") = "4"
    & skf21("1","2","2","3","2","5","2","1") = "4"
    & skf21("1","2","2","3","2","5","3","1") = "4"
    & skf21("1","2","2","3","2","5","4","1") = "4"
    & skf21("1","2","2","3","2","5","5","1") = "4"
    & skf21("1","2","2","3","2","5","6","1") = "5"
    & skf21("1","2","2","3","2","5","7","1") = "6"
    & skf21("1","2","2","3","2","6","1","1") = "5"
    & skf21("1","2","2","3","2","6","2","1") = "5"
    & skf21("1","2","2","3","2","6","3","1") = "5"
    & skf21("1","2","2","3","2","6","4","1") = "5"
    & skf21("1","2","2","3","2","6","5","1") = "5"
    & skf21("1","2","2","3","2","6","6","1") = "5"
    & skf21("1","2","2","3","2","6","7","1") = "6"
    & skf21("1","2","2","3","2","7","1","1") = "6"
    & skf21("1","2","2","3","2","7","2","1") = "6"
    & skf21("1","2","2","3","2","7","3","1") = "6"
    & skf21("1","2","2","3","2","7","4","1") = "6"
    & skf21("1","2","2","3","2","7","5","1") = "6"
    & skf21("1","2","2","3","2","7","6","1") = "6"
    & skf21("1","2","2","3","2","7","7","1") = "6"
    & skf21("1","2","2","3","3","1","1","1") = "2"
    & skf21("1","2","2","3","3","1","2","1") = "2"
    & skf21("1","2","2","3","3","1","3","1") = "2"
    & skf21("1","2","2","3","3","1","4","1") = "3"
    & skf21("1","2","2","3","3","1","5","1") = "4"
    & skf21("1","2","2","3","3","1","6","1") = "5"
    & skf21("1","2","2","3","3","1","7","1") = "6"
    & skf21("1","2","2","3","3","2","1","1") = "2"
    & skf21("1","2","2","3","3","2","2","1") = "2"
    & skf21("1","2","2","3","3","2","3","1") = "2"
    & skf21("1","2","2","3","3","2","4","1") = "3"
    & skf21("1","2","2","3","3","2","5","1") = "4"
    & skf21("1","2","2","3","3","2","6","1") = "5"
    & skf21("1","2","2","3","3","2","7","1") = "6"
    & skf21("1","2","2","3","3","3","1","1") = "2"
    & skf21("1","2","2","3","3","3","2","1") = "2"
    & skf21("1","2","2","3","3","3","3","1") = "2"
    & skf21("1","2","2","3","3","3","4","1") = "3"
    & skf21("1","2","2","3","3","3","5","1") = "4"
    & skf21("1","2","2","3","3","3","6","1") = "5"
    & skf21("1","2","2","3","3","3","7","1") = "6"
    & skf21("1","2","2","3","3","4","1","1") = "3"
    & skf21("1","2","2","3","3","4","2","1") = "3"
    & skf21("1","2","2","3","3","4","3","1") = "3"
    & skf21("1","2","2","3","3","4","4","1") = "3"
    & skf21("1","2","2","3","3","4","5","1") = "4"
    & skf21("1","2","2","3","3","4","6","1") = "5"
    & skf21("1","2","2","3","3","4","7","1") = "6"
    & skf21("1","2","2","3","3","5","1","1") = "4"
    & skf21("1","2","2","3","3","5","2","1") = "4"
    & skf21("1","2","2","3","3","5","3","1") = "4"
    & skf21("1","2","2","3","3","5","4","1") = "4"
    & skf21("1","2","2","3","3","5","5","1") = "4"
    & skf21("1","2","2","3","3","5","6","1") = "5"
    & skf21("1","2","2","3","3","5","7","1") = "6"
    & skf21("1","2","2","3","3","6","1","1") = "5"
    & skf21("1","2","2","3","3","6","2","1") = "5"
    & skf21("1","2","2","3","3","6","3","1") = "5"
    & skf21("1","2","2","3","3","6","4","1") = "5"
    & skf21("1","2","2","3","3","6","5","1") = "5"
    & skf21("1","2","2","3","3","6","6","1") = "5"
    & skf21("1","2","2","3","3","6","7","1") = "6"
    & skf21("1","2","2","3","3","7","1","1") = "6"
    & skf21("1","2","2","3","3","7","2","1") = "6"
    & skf21("1","2","2","3","3","7","3","1") = "6"
    & skf21("1","2","2","3","3","7","4","1") = "6"
    & skf21("1","2","2","3","3","7","5","1") = "6"
    & skf21("1","2","2","3","3","7","6","1") = "6"
    & skf21("1","2","2","3","3","7","7","1") = "6"
    & skf21("1","2","2","3","4","1","1","1") = "3"
    & skf21("1","2","2","3","4","1","2","1") = "3"
    & skf21("1","2","2","3","4","1","3","1") = "3"
    & skf21("1","2","2","3","4","1","4","1") = "3"
    & skf21("1","2","2","3","4","1","5","1") = "4"
    & skf21("1","2","2","3","4","1","6","1") = "5"
    & skf21("1","2","2","3","4","1","7","1") = "6"
    & skf21("1","2","2","3","4","2","1","1") = "3"
    & skf21("1","2","2","3","4","2","2","1") = "3"
    & skf21("1","2","2","3","4","2","3","1") = "3"
    & skf21("1","2","2","3","4","2","4","1") = "3"
    & skf21("1","2","2","3","4","2","5","1") = "4"
    & skf21("1","2","2","3","4","2","6","1") = "5"
    & skf21("1","2","2","3","4","2","7","1") = "6"
    & skf21("1","2","2","3","4","3","1","1") = "3"
    & skf21("1","2","2","3","4","3","2","1") = "3"
    & skf21("1","2","2","3","4","3","3","1") = "3"
    & skf21("1","2","2","3","4","3","4","1") = "3"
    & skf21("1","2","2","3","4","3","5","1") = "4"
    & skf21("1","2","2","3","4","3","6","1") = "5"
    & skf21("1","2","2","3","4","3","7","1") = "6"
    & skf21("1","2","2","3","4","4","1","1") = "3"
    & skf21("1","2","2","3","4","4","2","1") = "3"
    & skf21("1","2","2","3","4","4","3","1") = "3"
    & skf21("1","2","2","3","4","4","4","1") = "3"
    & skf21("1","2","2","3","4","4","5","1") = "4"
    & skf21("1","2","2","3","4","4","6","1") = "5"
    & skf21("1","2","2","3","4","4","7","1") = "6"
    & skf21("1","2","2","3","4","5","1","1") = "4"
    & skf21("1","2","2","3","4","5","2","1") = "4"
    & skf21("1","2","2","3","4","5","3","1") = "4"
    & skf21("1","2","2","3","4","5","4","1") = "4"
    & skf21("1","2","2","3","4","5","5","1") = "4"
    & skf21("1","2","2","3","4","5","6","1") = "5"
    & skf21("1","2","2","3","4","5","7","1") = "6"
    & skf21("1","2","2","3","4","6","1","1") = "5"
    & skf21("1","2","2","3","4","6","2","1") = "5"
    & skf21("1","2","2","3","4","6","3","1") = "5"
    & skf21("1","2","2","3","4","6","4","1") = "5"
    & skf21("1","2","2","3","4","6","5","1") = "5"
    & skf21("1","2","2","3","4","6","6","1") = "5"
    & skf21("1","2","2","3","4","6","7","1") = "6"
    & skf21("1","2","2","3","4","7","1","1") = "6"
    & skf21("1","2","2","3","4","7","2","1") = "6"
    & skf21("1","2","2","3","4","7","3","1") = "6"
    & skf21("1","2","2","3","4","7","4","1") = "6"
    & skf21("1","2","2","3","4","7","5","1") = "6"
    & skf21("1","2","2","3","4","7","6","1") = "6"
    & skf21("1","2","2","3","4","7","7","1") = "6"
    & skf21("1","2","2","3","5","1","1","1") = "4"
    & skf21("1","2","2","3","5","1","2","1") = "4"
    & skf21("1","2","2","3","5","1","3","1") = "4"
    & skf21("1","2","2","3","5","1","4","1") = "4"
    & skf21("1","2","2","3","5","1","5","1") = "4"
    & skf21("1","2","2","3","5","1","6","1") = "5"
    & skf21("1","2","2","3","5","1","7","1") = "6"
    & skf21("1","2","2","3","5","2","1","1") = "4"
    & skf21("1","2","2","3","5","2","2","1") = "4"
    & skf21("1","2","2","3","5","2","3","1") = "4"
    & skf21("1","2","2","3","5","2","4","1") = "4"
    & skf21("1","2","2","3","5","2","5","1") = "4"
    & skf21("1","2","2","3","5","2","6","1") = "5"
    & skf21("1","2","2","3","5","2","7","1") = "6"
    & skf21("1","2","2","3","5","3","1","1") = "4"
    & skf21("1","2","2","3","5","3","2","1") = "4"
    & skf21("1","2","2","3","5","3","3","1") = "4"
    & skf21("1","2","2","3","5","3","4","1") = "4"
    & skf21("1","2","2","3","5","3","5","1") = "4"
    & skf21("1","2","2","3","5","3","6","1") = "5"
    & skf21("1","2","2","3","5","3","7","1") = "6"
    & skf21("1","2","2","3","5","4","1","1") = "4"
    & skf21("1","2","2","3","5","4","2","1") = "4"
    & skf21("1","2","2","3","5","4","3","1") = "4"
    & skf21("1","2","2","3","5","4","4","1") = "4"
    & skf21("1","2","2","3","5","4","5","1") = "4"
    & skf21("1","2","2","3","5","4","6","1") = "5"
    & skf21("1","2","2","3","5","4","7","1") = "6"
    & skf21("1","2","2","3","5","5","1","1") = "4"
    & skf21("1","2","2","3","5","5","2","1") = "4"
    & skf21("1","2","2","3","5","5","3","1") = "4"
    & skf21("1","2","2","3","5","5","4","1") = "4"
    & skf21("1","2","2","3","5","5","5","1") = "4"
    & skf21("1","2","2","3","5","5","6","1") = "5"
    & skf21("1","2","2","3","5","5","7","1") = "6"
    & skf21("1","2","2","3","5","6","1","1") = "5"
    & skf21("1","2","2","3","5","6","2","1") = "5"
    & skf21("1","2","2","3","5","6","3","1") = "5"
    & skf21("1","2","2","3","5","6","4","1") = "5"
    & skf21("1","2","2","3","5","6","5","1") = "5"
    & skf21("1","2","2","3","5","6","6","1") = "5"
    & skf21("1","2","2","3","5","6","7","1") = "6"
    & skf21("1","2","2","3","5","7","1","1") = "6"
    & skf21("1","2","2","3","5","7","2","1") = "6"
    & skf21("1","2","2","3","5","7","3","1") = "6"
    & skf21("1","2","2","3","5","7","4","1") = "6"
    & skf21("1","2","2","3","5","7","5","1") = "6"
    & skf21("1","2","2","3","5","7","6","1") = "6"
    & skf21("1","2","2","3","5","7","7","1") = "6"
    & skf21("1","2","2","3","6","1","1","1") = "5"
    & skf21("1","2","2","3","6","1","2","1") = "5"
    & skf21("1","2","2","3","6","1","3","1") = "5"
    & skf21("1","2","2","3","6","1","4","1") = "5"
    & skf21("1","2","2","3","6","1","5","1") = "5"
    & skf21("1","2","2","3","6","1","6","1") = "5"
    & skf21("1","2","2","3","6","1","7","1") = "6"
    & skf21("1","2","2","3","6","2","1","1") = "5"
    & skf21("1","2","2","3","6","2","2","1") = "5"
    & skf21("1","2","2","3","6","2","3","1") = "5"
    & skf21("1","2","2","3","6","2","4","1") = "5"
    & skf21("1","2","2","3","6","2","5","1") = "5"
    & skf21("1","2","2","3","6","2","6","1") = "5"
    & skf21("1","2","2","3","6","2","7","1") = "6"
    & skf21("1","2","2","3","6","3","1","1") = "5"
    & skf21("1","2","2","3","6","3","2","1") = "5"
    & skf21("1","2","2","3","6","3","3","1") = "5"
    & skf21("1","2","2","3","6","3","4","1") = "5"
    & skf21("1","2","2","3","6","3","5","1") = "5"
    & skf21("1","2","2","3","6","3","6","1") = "5"
    & skf21("1","2","2","3","6","3","7","1") = "6"
    & skf21("1","2","2","3","6","4","1","1") = "5"
    & skf21("1","2","2","3","6","4","2","1") = "5"
    & skf21("1","2","2","3","6","4","3","1") = "5"
    & skf21("1","2","2","3","6","4","4","1") = "5"
    & skf21("1","2","2","3","6","4","5","1") = "5"
    & skf21("1","2","2","3","6","4","6","1") = "5"
    & skf21("1","2","2","3","6","4","7","1") = "6"
    & skf21("1","2","2","3","6","5","1","1") = "5"
    & skf21("1","2","2","3","6","5","2","1") = "5"
    & skf21("1","2","2","3","6","5","3","1") = "5"
    & skf21("1","2","2","3","6","5","4","1") = "5"
    & skf21("1","2","2","3","6","5","5","1") = "5"
    & skf21("1","2","2","3","6","5","6","1") = "5"
    & skf21("1","2","2","3","6","5","7","1") = "6"
    & skf21("1","2","2","3","6","6","1","1") = "5"
    & skf21("1","2","2","3","6","6","2","1") = "5"
    & skf21("1","2","2","3","6","6","3","1") = "5"
    & skf21("1","2","2","3","6","6","4","1") = "5"
    & skf21("1","2","2","3","6","6","5","1") = "5"
    & skf21("1","2","2","3","6","6","6","1") = "5"
    & skf21("1","2","2","3","6","6","7","1") = "6"
    & skf21("1","2","2","3","6","7","1","1") = "6"
    & skf21("1","2","2","3","6","7","2","1") = "6"
    & skf21("1","2","2","3","6","7","3","1") = "6"
    & skf21("1","2","2","3","6","7","4","1") = "6"
    & skf21("1","2","2","3","6","7","5","1") = "6"
    & skf21("1","2","2","3","6","7","6","1") = "6"
    & skf21("1","2","2","3","6","7","7","1") = "6"
    & skf21("1","2","2","3","7","1","1","1") = "6"
    & skf21("1","2","2","3","7","1","2","1") = "6"
    & skf21("1","2","2","3","7","1","3","1") = "6"
    & skf21("1","2","2","3","7","1","4","1") = "6"
    & skf21("1","2","2","3","7","1","5","1") = "6"
    & skf21("1","2","2","3","7","1","6","1") = "6"
    & skf21("1","2","2","3","7","1","7","1") = "6"
    & skf21("1","2","2","3","7","2","1","1") = "6"
    & skf21("1","2","2","3","7","2","2","1") = "6"
    & skf21("1","2","2","3","7","2","3","1") = "6"
    & skf21("1","2","2","3","7","2","4","1") = "6"
    & skf21("1","2","2","3","7","2","5","1") = "6"
    & skf21("1","2","2","3","7","2","6","1") = "6"
    & skf21("1","2","2","3","7","2","7","1") = "6"
    & skf21("1","2","2","3","7","3","1","1") = "6"
    & skf21("1","2","2","3","7","3","2","1") = "6"
    & skf21("1","2","2","3","7","3","3","1") = "6"
    & skf21("1","2","2","3","7","3","4","1") = "6"
    & skf21("1","2","2","3","7","3","5","1") = "6"
    & skf21("1","2","2","3","7","3","6","1") = "6"
    & skf21("1","2","2","3","7","3","7","1") = "6"
    & skf21("1","2","2","3","7","4","1","1") = "6"
    & skf21("1","2","2","3","7","4","2","1") = "6"
    & skf21("1","2","2","3","7","4","3","1") = "6"
    & skf21("1","2","2","3","7","4","4","1") = "6"
    & skf21("1","2","2","3","7","4","5","1") = "6"
    & skf21("1","2","2","3","7","4","6","1") = "6"
    & skf21("1","2","2","3","7","4","7","1") = "6"
    & skf21("1","2","2","3","7","5","1","1") = "6"
    & skf21("1","2","2","3","7","5","2","1") = "6"
    & skf21("1","2","2","3","7","5","3","1") = "6"
    & skf21("1","2","2","3","7","5","4","1") = "6"
    & skf21("1","2","2","3","7","5","5","1") = "6"
    & skf21("1","2","2","3","7","5","6","1") = "6"
    & skf21("1","2","2","3","7","5","7","1") = "6"
    & skf21("1","2","2","3","7","6","1","1") = "6"
    & skf21("1","2","2","3","7","6","2","1") = "6"
    & skf21("1","2","2","3","7","6","3","1") = "6"
    & skf21("1","2","2","3","7","6","4","1") = "6"
    & skf21("1","2","2","3","7","6","5","1") = "6"
    & skf21("1","2","2","3","7","6","6","1") = "6"
    & skf21("1","2","2","3","7","6","7","1") = "6"
    & skf21("1","2","2","3","7","7","1","1") = "6"
    & skf21("1","2","2","3","7","7","2","1") = "6"
    & skf21("1","2","2","3","7","7","3","1") = "6"
    & skf21("1","2","2","3","7","7","4","1") = "6"
    & skf21("1","2","2","3","7","7","5","1") = "6"
    & skf21("1","2","2","3","7","7","6","1") = "6"
    & skf21("1","2","2","3","7","7","7","1") = "6"
    & skf21("1","2","2","4","1","1","1","1") = "3"
    & skf21("1","2","2","4","1","1","2","1") = "3"
    & skf21("1","2","2","4","1","1","3","1") = "3"
    & skf21("1","2","2","4","1","1","4","1") = "3"
    & skf21("1","2","2","4","1","1","5","1") = "4"
    & skf21("1","2","2","4","1","1","6","1") = "5"
    & skf21("1","2","2","4","1","1","7","1") = "6"
    & skf21("1","2","2","4","1","2","1","1") = "3"
    & skf21("1","2","2","4","1","2","2","1") = "3"
    & skf21("1","2","2","4","1","2","3","1") = "3"
    & skf21("1","2","2","4","1","2","4","1") = "3"
    & skf21("1","2","2","4","1","2","5","1") = "4"
    & skf21("1","2","2","4","1","2","6","1") = "5"
    & skf21("1","2","2","4","1","2","7","1") = "6"
    & skf21("1","2","2","4","1","3","1","1") = "3"
    & skf21("1","2","2","4","1","3","2","1") = "3"
    & skf21("1","2","2","4","1","3","3","1") = "3"
    & skf21("1","2","2","4","1","3","4","1") = "3"
    & skf21("1","2","2","4","1","3","5","1") = "4"
    & skf21("1","2","2","4","1","3","6","1") = "5"
    & skf21("1","2","2","4","1","3","7","1") = "6"
    & skf21("1","2","2","4","1","4","1","1") = "3"
    & skf21("1","2","2","4","1","4","2","1") = "3"
    & skf21("1","2","2","4","1","4","3","1") = "3"
    & skf21("1","2","2","4","1","4","4","1") = "3"
    & skf21("1","2","2","4","1","4","5","1") = "4"
    & skf21("1","2","2","4","1","4","6","1") = "5"
    & skf21("1","2","2","4","1","4","7","1") = "6"
    & skf21("1","2","2","4","1","5","1","1") = "4"
    & skf21("1","2","2","4","1","5","2","1") = "4"
    & skf21("1","2","2","4","1","5","3","1") = "4"
    & skf21("1","2","2","4","1","5","4","1") = "4"
    & skf21("1","2","2","4","1","5","5","1") = "4"
    & skf21("1","2","2","4","1","5","6","1") = "5"
    & skf21("1","2","2","4","1","5","7","1") = "6"
    & skf21("1","2","2","4","1","6","1","1") = "5"
    & skf21("1","2","2","4","1","6","2","1") = "5"
    & skf21("1","2","2","4","1","6","3","1") = "5"
    & skf21("1","2","2","4","1","6","4","1") = "5"
    & skf21("1","2","2","4","1","6","5","1") = "5"
    & skf21("1","2","2","4","1","6","6","1") = "5"
    & skf21("1","2","2","4","1","6","7","1") = "6"
    & skf21("1","2","2","4","1","7","1","1") = "6"
    & skf21("1","2","2","4","1","7","2","1") = "6"
    & skf21("1","2","2","4","1","7","3","1") = "6"
    & skf21("1","2","2","4","1","7","4","1") = "6"
    & skf21("1","2","2","4","1","7","5","1") = "6"
    & skf21("1","2","2","4","1","7","6","1") = "6"
    & skf21("1","2","2","4","1","7","7","1") = "6"
    & skf21("1","2","2","4","2","1","1","1") = "3"
    & skf21("1","2","2","4","2","1","2","1") = "3"
    & skf21("1","2","2","4","2","1","3","1") = "3"
    & skf21("1","2","2","4","2","1","4","1") = "3"
    & skf21("1","2","2","4","2","1","5","1") = "4"
    & skf21("1","2","2","4","2","1","6","1") = "5"
    & skf21("1","2","2","4","2","1","7","1") = "6"
    & skf21("1","2","2","4","2","2","1","1") = "3"
    & skf21("1","2","2","4","2","2","2","1") = "3"
    & skf21("1","2","2","4","2","2","3","1") = "3"
    & skf21("1","2","2","4","2","2","4","1") = "3"
    & skf21("1","2","2","4","2","2","5","1") = "4"
    & skf21("1","2","2","4","2","2","6","1") = "5"
    & skf21("1","2","2","4","2","2","7","1") = "6"
    & skf21("1","2","2","4","2","3","1","1") = "3"
    & skf21("1","2","2","4","2","3","2","1") = "3"
    & skf21("1","2","2","4","2","3","3","1") = "3"
    & skf21("1","2","2","4","2","3","4","1") = "3"
    & skf21("1","2","2","4","2","3","5","1") = "4"
    & skf21("1","2","2","4","2","3","6","1") = "5"
    & skf21("1","2","2","4","2","3","7","1") = "6"
    & skf21("1","2","2","4","2","4","1","1") = "3"
    & skf21("1","2","2","4","2","4","2","1") = "3"
    & skf21("1","2","2","4","2","4","3","1") = "3"
    & skf21("1","2","2","4","2","4","4","1") = "3"
    & skf21("1","2","2","4","2","4","5","1") = "4"
    & skf21("1","2","2","4","2","4","6","1") = "5"
    & skf21("1","2","2","4","2","4","7","1") = "6"
    & skf21("1","2","2","4","2","5","1","1") = "4"
    & skf21("1","2","2","4","2","5","2","1") = "4"
    & skf21("1","2","2","4","2","5","3","1") = "4"
    & skf21("1","2","2","4","2","5","4","1") = "4"
    & skf21("1","2","2","4","2","5","5","1") = "4"
    & skf21("1","2","2","4","2","5","6","1") = "5"
    & skf21("1","2","2","4","2","5","7","1") = "6"
    & skf21("1","2","2","4","2","6","1","1") = "5"
    & skf21("1","2","2","4","2","6","2","1") = "5"
    & skf21("1","2","2","4","2","6","3","1") = "5"
    & skf21("1","2","2","4","2","6","4","1") = "5"
    & skf21("1","2","2","4","2","6","5","1") = "5"
    & skf21("1","2","2","4","2","6","6","1") = "5"
    & skf21("1","2","2","4","2","6","7","1") = "6"
    & skf21("1","2","2","4","2","7","1","1") = "6"
    & skf21("1","2","2","4","2","7","2","1") = "6"
    & skf21("1","2","2","4","2","7","3","1") = "6"
    & skf21("1","2","2","4","2","7","4","1") = "6"
    & skf21("1","2","2","4","2","7","5","1") = "6"
    & skf21("1","2","2","4","2","7","6","1") = "6"
    & skf21("1","2","2","4","2","7","7","1") = "6"
    & skf21("1","2","2","4","3","1","1","1") = "3"
    & skf21("1","2","2","4","3","1","2","1") = "3"
    & skf21("1","2","2","4","3","1","3","1") = "3"
    & skf21("1","2","2","4","3","1","4","1") = "3"
    & skf21("1","2","2","4","3","1","5","1") = "4"
    & skf21("1","2","2","4","3","1","6","1") = "5"
    & skf21("1","2","2","4","3","1","7","1") = "6"
    & skf21("1","2","2","4","3","2","1","1") = "3"
    & skf21("1","2","2","4","3","2","2","1") = "3"
    & skf21("1","2","2","4","3","2","3","1") = "3"
    & skf21("1","2","2","4","3","2","4","1") = "3"
    & skf21("1","2","2","4","3","2","5","1") = "4"
    & skf21("1","2","2","4","3","2","6","1") = "5"
    & skf21("1","2","2","4","3","2","7","1") = "6"
    & skf21("1","2","2","4","3","3","1","1") = "3"
    & skf21("1","2","2","4","3","3","2","1") = "3"
    & skf21("1","2","2","4","3","3","3","1") = "3"
    & skf21("1","2","2","4","3","3","4","1") = "3"
    & skf21("1","2","2","4","3","3","5","1") = "4"
    & skf21("1","2","2","4","3","3","6","1") = "5"
    & skf21("1","2","2","4","3","3","7","1") = "6"
    & skf21("1","2","2","4","3","4","1","1") = "3"
    & skf21("1","2","2","4","3","4","2","1") = "3"
    & skf21("1","2","2","4","3","4","3","1") = "3"
    & skf21("1","2","2","4","3","4","4","1") = "3"
    & skf21("1","2","2","4","3","4","5","1") = "4"
    & skf21("1","2","2","4","3","4","6","1") = "5"
    & skf21("1","2","2","4","3","4","7","1") = "6"
    & skf21("1","2","2","4","3","5","1","1") = "4"
    & skf21("1","2","2","4","3","5","2","1") = "4"
    & skf21("1","2","2","4","3","5","3","1") = "4"
    & skf21("1","2","2","4","3","5","4","1") = "4"
    & skf21("1","2","2","4","3","5","5","1") = "4"
    & skf21("1","2","2","4","3","5","6","1") = "5"
    & skf21("1","2","2","4","3","5","7","1") = "6"
    & skf21("1","2","2","4","3","6","1","1") = "5"
    & skf21("1","2","2","4","3","6","2","1") = "5"
    & skf21("1","2","2","4","3","6","3","1") = "5"
    & skf21("1","2","2","4","3","6","4","1") = "5"
    & skf21("1","2","2","4","3","6","5","1") = "5"
    & skf21("1","2","2","4","3","6","6","1") = "5"
    & skf21("1","2","2","4","3","6","7","1") = "6"
    & skf21("1","2","2","4","3","7","1","1") = "6"
    & skf21("1","2","2","4","3","7","2","1") = "6"
    & skf21("1","2","2","4","3","7","3","1") = "6"
    & skf21("1","2","2","4","3","7","4","1") = "6"
    & skf21("1","2","2","4","3","7","5","1") = "6"
    & skf21("1","2","2","4","3","7","6","1") = "6"
    & skf21("1","2","2","4","3","7","7","1") = "6"
    & skf21("1","2","2","4","4","1","1","1") = "3"
    & skf21("1","2","2","4","4","1","2","1") = "3"
    & skf21("1","2","2","4","4","1","3","1") = "3"
    & skf21("1","2","2","4","4","1","4","1") = "3"
    & skf21("1","2","2","4","4","1","5","1") = "4"
    & skf21("1","2","2","4","4","1","6","1") = "5"
    & skf21("1","2","2","4","4","1","7","1") = "6"
    & skf21("1","2","2","4","4","2","1","1") = "3"
    & skf21("1","2","2","4","4","2","2","1") = "3"
    & skf21("1","2","2","4","4","2","3","1") = "3"
    & skf21("1","2","2","4","4","2","4","1") = "3"
    & skf21("1","2","2","4","4","2","5","1") = "4"
    & skf21("1","2","2","4","4","2","6","1") = "5"
    & skf21("1","2","2","4","4","2","7","1") = "6"
    & skf21("1","2","2","4","4","3","1","1") = "3"
    & skf21("1","2","2","4","4","3","2","1") = "3"
    & skf21("1","2","2","4","4","3","3","1") = "3"
    & skf21("1","2","2","4","4","3","4","1") = "3"
    & skf21("1","2","2","4","4","3","5","1") = "4"
    & skf21("1","2","2","4","4","3","6","1") = "5"
    & skf21("1","2","2","4","4","3","7","1") = "6"
    & skf21("1","2","2","4","4","4","1","1") = "3"
    & skf21("1","2","2","4","4","4","2","1") = "3"
    & skf21("1","2","2","4","4","4","3","1") = "3"
    & skf21("1","2","2","4","4","4","4","1") = "3"
    & skf21("1","2","2","4","4","4","5","1") = "4"
    & skf21("1","2","2","4","4","4","6","1") = "5"
    & skf21("1","2","2","4","4","4","7","1") = "6"
    & skf21("1","2","2","4","4","5","1","1") = "4"
    & skf21("1","2","2","4","4","5","2","1") = "4"
    & skf21("1","2","2","4","4","5","3","1") = "4"
    & skf21("1","2","2","4","4","5","4","1") = "4"
    & skf21("1","2","2","4","4","5","5","1") = "4"
    & skf21("1","2","2","4","4","5","6","1") = "5"
    & skf21("1","2","2","4","4","5","7","1") = "6"
    & skf21("1","2","2","4","4","6","1","1") = "5"
    & skf21("1","2","2","4","4","6","2","1") = "5"
    & skf21("1","2","2","4","4","6","3","1") = "5"
    & skf21("1","2","2","4","4","6","4","1") = "5"
    & skf21("1","2","2","4","4","6","5","1") = "5"
    & skf21("1","2","2","4","4","6","6","1") = "5"
    & skf21("1","2","2","4","4","6","7","1") = "6"
    & skf21("1","2","2","4","4","7","1","1") = "6"
    & skf21("1","2","2","4","4","7","2","1") = "6"
    & skf21("1","2","2","4","4","7","3","1") = "6"
    & skf21("1","2","2","4","4","7","4","1") = "6"
    & skf21("1","2","2","4","4","7","5","1") = "6"
    & skf21("1","2","2","4","4","7","6","1") = "6"
    & skf21("1","2","2","4","4","7","7","1") = "6"
    & skf21("1","2","2","4","5","1","1","1") = "4"
    & skf21("1","2","2","4","5","1","2","1") = "4"
    & skf21("1","2","2","4","5","1","3","1") = "4"
    & skf21("1","2","2","4","5","1","4","1") = "4"
    & skf21("1","2","2","4","5","1","5","1") = "4"
    & skf21("1","2","2","4","5","1","6","1") = "5"
    & skf21("1","2","2","4","5","1","7","1") = "6"
    & skf21("1","2","2","4","5","2","1","1") = "4"
    & skf21("1","2","2","4","5","2","2","1") = "4"
    & skf21("1","2","2","4","5","2","3","1") = "4"
    & skf21("1","2","2","4","5","2","4","1") = "4"
    & skf21("1","2","2","4","5","2","5","1") = "4"
    & skf21("1","2","2","4","5","2","6","1") = "5"
    & skf21("1","2","2","4","5","2","7","1") = "6"
    & skf21("1","2","2","4","5","3","1","1") = "4"
    & skf21("1","2","2","4","5","3","2","1") = "4"
    & skf21("1","2","2","4","5","3","3","1") = "4"
    & skf21("1","2","2","4","5","3","4","1") = "4"
    & skf21("1","2","2","4","5","3","5","1") = "4"
    & skf21("1","2","2","4","5","3","6","1") = "5"
    & skf21("1","2","2","4","5","3","7","1") = "6"
    & skf21("1","2","2","4","5","4","1","1") = "4"
    & skf21("1","2","2","4","5","4","2","1") = "4"
    & skf21("1","2","2","4","5","4","3","1") = "4"
    & skf21("1","2","2","4","5","4","4","1") = "4"
    & skf21("1","2","2","4","5","4","5","1") = "4"
    & skf21("1","2","2","4","5","4","6","1") = "5"
    & skf21("1","2","2","4","5","4","7","1") = "6"
    & skf21("1","2","2","4","5","5","1","1") = "4"
    & skf21("1","2","2","4","5","5","2","1") = "4"
    & skf21("1","2","2","4","5","5","3","1") = "4"
    & skf21("1","2","2","4","5","5","4","1") = "4"
    & skf21("1","2","2","4","5","5","5","1") = "4"
    & skf21("1","2","2","4","5","5","6","1") = "5"
    & skf21("1","2","2","4","5","5","7","1") = "6"
    & skf21("1","2","2","4","5","6","1","1") = "5"
    & skf21("1","2","2","4","5","6","2","1") = "5"
    & skf21("1","2","2","4","5","6","3","1") = "5"
    & skf21("1","2","2","4","5","6","4","1") = "5"
    & skf21("1","2","2","4","5","6","5","1") = "5"
    & skf21("1","2","2","4","5","6","6","1") = "5"
    & skf21("1","2","2","4","5","6","7","1") = "6"
    & skf21("1","2","2","4","5","7","1","1") = "6"
    & skf21("1","2","2","4","5","7","2","1") = "6"
    & skf21("1","2","2","4","5","7","3","1") = "6"
    & skf21("1","2","2","4","5","7","4","1") = "6"
    & skf21("1","2","2","4","5","7","5","1") = "6"
    & skf21("1","2","2","4","5","7","6","1") = "6"
    & skf21("1","2","2","4","5","7","7","1") = "6"
    & skf21("1","2","2","4","6","1","1","1") = "5"
    & skf21("1","2","2","4","6","1","2","1") = "5"
    & skf21("1","2","2","4","6","1","3","1") = "5"
    & skf21("1","2","2","4","6","1","4","1") = "5"
    & skf21("1","2","2","4","6","1","5","1") = "5"
    & skf21("1","2","2","4","6","1","6","1") = "5"
    & skf21("1","2","2","4","6","1","7","1") = "6"
    & skf21("1","2","2","4","6","2","1","1") = "5"
    & skf21("1","2","2","4","6","2","2","1") = "5"
    & skf21("1","2","2","4","6","2","3","1") = "5"
    & skf21("1","2","2","4","6","2","4","1") = "5"
    & skf21("1","2","2","4","6","2","5","1") = "5"
    & skf21("1","2","2","4","6","2","6","1") = "5"
    & skf21("1","2","2","4","6","2","7","1") = "6"
    & skf21("1","2","2","4","6","3","1","1") = "5"
    & skf21("1","2","2","4","6","3","2","1") = "5"
    & skf21("1","2","2","4","6","3","3","1") = "5"
    & skf21("1","2","2","4","6","3","4","1") = "5"
    & skf21("1","2","2","4","6","3","5","1") = "5"
    & skf21("1","2","2","4","6","3","6","1") = "5"
    & skf21("1","2","2","4","6","3","7","1") = "6"
    & skf21("1","2","2","4","6","4","1","1") = "5"
    & skf21("1","2","2","4","6","4","2","1") = "5"
    & skf21("1","2","2","4","6","4","3","1") = "5"
    & skf21("1","2","2","4","6","4","4","1") = "5"
    & skf21("1","2","2","4","6","4","5","1") = "5"
    & skf21("1","2","2","4","6","4","6","1") = "5"
    & skf21("1","2","2","4","6","4","7","1") = "6"
    & skf21("1","2","2","4","6","5","1","1") = "5"
    & skf21("1","2","2","4","6","5","2","1") = "5"
    & skf21("1","2","2","4","6","5","3","1") = "5"
    & skf21("1","2","2","4","6","5","4","1") = "5"
    & skf21("1","2","2","4","6","5","5","1") = "5"
    & skf21("1","2","2","4","6","5","6","1") = "5"
    & skf21("1","2","2","4","6","5","7","1") = "6"
    & skf21("1","2","2","4","6","6","1","1") = "5"
    & skf21("1","2","2","4","6","6","2","1") = "5"
    & skf21("1","2","2","4","6","6","3","1") = "5"
    & skf21("1","2","2","4","6","6","4","1") = "5"
    & skf21("1","2","2","4","6","6","5","1") = "5"
    & skf21("1","2","2","4","6","6","6","1") = "5"
    & skf21("1","2","2","4","6","6","7","1") = "6"
    & skf21("1","2","2","4","6","7","1","1") = "6"
    & skf21("1","2","2","4","6","7","2","1") = "6"
    & skf21("1","2","2","4","6","7","3","1") = "6"
    & skf21("1","2","2","4","6","7","4","1") = "6"
    & skf21("1","2","2","4","6","7","5","1") = "6"
    & skf21("1","2","2","4","6","7","6","1") = "6"
    & skf21("1","2","2","4","6","7","7","1") = "6"
    & skf21("1","2","2","4","7","1","1","1") = "6"
    & skf21("1","2","2","4","7","1","2","1") = "6"
    & skf21("1","2","2","4","7","1","3","1") = "6"
    & skf21("1","2","2","4","7","1","4","1") = "6"
    & skf21("1","2","2","4","7","1","5","1") = "6"
    & skf21("1","2","2","4","7","1","6","1") = "6"
    & skf21("1","2","2","4","7","1","7","1") = "6"
    & skf21("1","2","2","4","7","2","1","1") = "6"
    & skf21("1","2","2","4","7","2","2","1") = "6"
    & skf21("1","2","2","4","7","2","3","1") = "6"
    & skf21("1","2","2","4","7","2","4","1") = "6"
    & skf21("1","2","2","4","7","2","5","1") = "6"
    & skf21("1","2","2","4","7","2","6","1") = "6"
    & skf21("1","2","2","4","7","2","7","1") = "6"
    & skf21("1","2","2","4","7","3","1","1") = "6"
    & skf21("1","2","2","4","7","3","2","1") = "6"
    & skf21("1","2","2","4","7","3","3","1") = "6"
    & skf21("1","2","2","4","7","3","4","1") = "6"
    & skf21("1","2","2","4","7","3","5","1") = "6"
    & skf21("1","2","2","4","7","3","6","1") = "6"
    & skf21("1","2","2","4","7","3","7","1") = "6"
    & skf21("1","2","2","4","7","4","1","1") = "6"
    & skf21("1","2","2","4","7","4","2","1") = "6"
    & skf21("1","2","2","4","7","4","3","1") = "6"
    & skf21("1","2","2","4","7","4","4","1") = "6"
    & skf21("1","2","2","4","7","4","5","1") = "6"
    & skf21("1","2","2","4","7","4","6","1") = "6"
    & skf21("1","2","2","4","7","4","7","1") = "6"
    & skf21("1","2","2","4","7","5","1","1") = "6"
    & skf21("1","2","2","4","7","5","2","1") = "6"
    & skf21("1","2","2","4","7","5","3","1") = "6"
    & skf21("1","2","2","4","7","5","4","1") = "6"
    & skf21("1","2","2","4","7","5","5","1") = "6"
    & skf21("1","2","2","4","7","5","6","1") = "6"
    & skf21("1","2","2","4","7","5","7","1") = "6"
    & skf21("1","2","2","4","7","6","1","1") = "6"
    & skf21("1","2","2","4","7","6","2","1") = "6"
    & skf21("1","2","2","4","7","6","3","1") = "6"
    & skf21("1","2","2","4","7","6","4","1") = "6"
    & skf21("1","2","2","4","7","6","5","1") = "6"
    & skf21("1","2","2","4","7","6","6","1") = "6"
    & skf21("1","2","2","4","7","6","7","1") = "6"
    & skf21("1","2","2","4","7","7","1","1") = "6"
    & skf21("1","2","2","4","7","7","2","1") = "6"
    & skf21("1","2","2","4","7","7","3","1") = "6"
    & skf21("1","2","2","4","7","7","4","1") = "6"
    & skf21("1","2","2","4","7","7","5","1") = "6"
    & skf21("1","2","2","4","7","7","6","1") = "6"
    & skf21("1","2","2","4","7","7","7","1") = "6"
    & skf21("1","2","2","5","1","1","1","1") = "4"
    & skf21("1","2","2","5","1","1","2","1") = "4"
    & skf21("1","2","2","5","1","1","3","1") = "4"
    & skf21("1","2","2","5","1","1","4","1") = "4"
    & skf21("1","2","2","5","1","1","5","1") = "4"
    & skf21("1","2","2","5","1","1","6","1") = "5"
    & skf21("1","2","2","5","1","1","7","1") = "6"
    & skf21("1","2","2","5","1","2","1","1") = "4"
    & skf21("1","2","2","5","1","2","2","1") = "4"
    & skf21("1","2","2","5","1","2","3","1") = "4"
    & skf21("1","2","2","5","1","2","4","1") = "4"
    & skf21("1","2","2","5","1","2","5","1") = "4"
    & skf21("1","2","2","5","1","2","6","1") = "5"
    & skf21("1","2","2","5","1","2","7","1") = "6"
    & skf21("1","2","2","5","1","3","1","1") = "4"
    & skf21("1","2","2","5","1","3","2","1") = "4"
    & skf21("1","2","2","5","1","3","3","1") = "4"
    & skf21("1","2","2","5","1","3","4","1") = "4"
    & skf21("1","2","2","5","1","3","5","1") = "4"
    & skf21("1","2","2","5","1","3","6","1") = "5"
    & skf21("1","2","2","5","1","3","7","1") = "6"
    & skf21("1","2","2","5","1","4","1","1") = "4"
    & skf21("1","2","2","5","1","4","2","1") = "4"
    & skf21("1","2","2","5","1","4","3","1") = "4"
    & skf21("1","2","2","5","1","4","4","1") = "4"
    & skf21("1","2","2","5","1","4","5","1") = "4"
    & skf21("1","2","2","5","1","4","6","1") = "5"
    & skf21("1","2","2","5","1","4","7","1") = "6"
    & skf21("1","2","2","5","1","5","1","1") = "4"
    & skf21("1","2","2","5","1","5","2","1") = "4"
    & skf21("1","2","2","5","1","5","3","1") = "4"
    & skf21("1","2","2","5","1","5","4","1") = "4"
    & skf21("1","2","2","5","1","5","5","1") = "4"
    & skf21("1","2","2","5","1","5","6","1") = "5"
    & skf21("1","2","2","5","1","5","7","1") = "6"
    & skf21("1","2","2","5","1","6","1","1") = "5"
    & skf21("1","2","2","5","1","6","2","1") = "5"
    & skf21("1","2","2","5","1","6","3","1") = "5"
    & skf21("1","2","2","5","1","6","4","1") = "5"
    & skf21("1","2","2","5","1","6","5","1") = "5"
    & skf21("1","2","2","5","1","6","6","1") = "5"
    & skf21("1","2","2","5","1","6","7","1") = "6"
    & skf21("1","2","2","5","1","7","1","1") = "6"
    & skf21("1","2","2","5","1","7","2","1") = "6"
    & skf21("1","2","2","5","1","7","3","1") = "6"
    & skf21("1","2","2","5","1","7","4","1") = "6"
    & skf21("1","2","2","5","1","7","5","1") = "6"
    & skf21("1","2","2","5","1","7","6","1") = "6"
    & skf21("1","2","2","5","1","7","7","1") = "6"
    & skf21("1","2","2","5","2","1","1","1") = "4"
    & skf21("1","2","2","5","2","1","2","1") = "4"
    & skf21("1","2","2","5","2","1","3","1") = "4"
    & skf21("1","2","2","5","2","1","4","1") = "4"
    & skf21("1","2","2","5","2","1","5","1") = "4"
    & skf21("1","2","2","5","2","1","6","1") = "5"
    & skf21("1","2","2","5","2","1","7","1") = "6"
    & skf21("1","2","2","5","2","2","1","1") = "4"
    & skf21("1","2","2","5","2","2","2","1") = "4"
    & skf21("1","2","2","5","2","2","3","1") = "4"
    & skf21("1","2","2","5","2","2","4","1") = "4"
    & skf21("1","2","2","5","2","2","5","1") = "4"
    & skf21("1","2","2","5","2","2","6","1") = "5"
    & skf21("1","2","2","5","2","2","7","1") = "6"
    & skf21("1","2","2","5","2","3","1","1") = "4"
    & skf21("1","2","2","5","2","3","2","1") = "4"
    & skf21("1","2","2","5","2","3","3","1") = "4"
    & skf21("1","2","2","5","2","3","4","1") = "4"
    & skf21("1","2","2","5","2","3","5","1") = "4"
    & skf21("1","2","2","5","2","3","6","1") = "5"
    & skf21("1","2","2","5","2","3","7","1") = "6"
    & skf21("1","2","2","5","2","4","1","1") = "4"
    & skf21("1","2","2","5","2","4","2","1") = "4"
    & skf21("1","2","2","5","2","4","3","1") = "4"
    & skf21("1","2","2","5","2","4","4","1") = "4"
    & skf21("1","2","2","5","2","4","5","1") = "4"
    & skf21("1","2","2","5","2","4","6","1") = "5"
    & skf21("1","2","2","5","2","4","7","1") = "6"
    & skf21("1","2","2","5","2","5","1","1") = "4"
    & skf21("1","2","2","5","2","5","2","1") = "4"
    & skf21("1","2","2","5","2","5","3","1") = "4"
    & skf21("1","2","2","5","2","5","4","1") = "4"
    & skf21("1","2","2","5","2","5","5","1") = "4"
    & skf21("1","2","2","5","2","5","6","1") = "5"
    & skf21("1","2","2","5","2","5","7","1") = "6"
    & skf21("1","2","2","5","2","6","1","1") = "5"
    & skf21("1","2","2","5","2","6","2","1") = "5"
    & skf21("1","2","2","5","2","6","3","1") = "5"
    & skf21("1","2","2","5","2","6","4","1") = "5"
    & skf21("1","2","2","5","2","6","5","1") = "5"
    & skf21("1","2","2","5","2","6","6","1") = "5"
    & skf21("1","2","2","5","2","6","7","1") = "6"
    & skf21("1","2","2","5","2","7","1","1") = "6"
    & skf21("1","2","2","5","2","7","2","1") = "6"
    & skf21("1","2","2","5","2","7","3","1") = "6"
    & skf21("1","2","2","5","2","7","4","1") = "6"
    & skf21("1","2","2","5","2","7","5","1") = "6"
    & skf21("1","2","2","5","2","7","6","1") = "6"
    & skf21("1","2","2","5","2","7","7","1") = "6"
    & skf21("1","2","2","5","3","1","1","1") = "4"
    & skf21("1","2","2","5","3","1","2","1") = "4"
    & skf21("1","2","2","5","3","1","3","1") = "4"
    & skf21("1","2","2","5","3","1","4","1") = "4"
    & skf21("1","2","2","5","3","1","5","1") = "4"
    & skf21("1","2","2","5","3","1","6","1") = "5"
    & skf21("1","2","2","5","3","1","7","1") = "6"
    & skf21("1","2","2","5","3","2","1","1") = "4"
    & skf21("1","2","2","5","3","2","2","1") = "4"
    & skf21("1","2","2","5","3","2","3","1") = "4"
    & skf21("1","2","2","5","3","2","4","1") = "4"
    & skf21("1","2","2","5","3","2","5","1") = "4"
    & skf21("1","2","2","5","3","2","6","1") = "5"
    & skf21("1","2","2","5","3","2","7","1") = "6"
    & skf21("1","2","2","5","3","3","1","1") = "4"
    & skf21("1","2","2","5","3","3","2","1") = "4"
    & skf21("1","2","2","5","3","3","3","1") = "4"
    & skf21("1","2","2","5","3","3","4","1") = "4"
    & skf21("1","2","2","5","3","3","5","1") = "4"
    & skf21("1","2","2","5","3","3","6","1") = "5"
    & skf21("1","2","2","5","3","3","7","1") = "6"
    & skf21("1","2","2","5","3","4","1","1") = "4"
    & skf21("1","2","2","5","3","4","2","1") = "4"
    & skf21("1","2","2","5","3","4","3","1") = "4"
    & skf21("1","2","2","5","3","4","4","1") = "4"
    & skf21("1","2","2","5","3","4","5","1") = "4"
    & skf21("1","2","2","5","3","4","6","1") = "5"
    & skf21("1","2","2","5","3","4","7","1") = "6"
    & skf21("1","2","2","5","3","5","1","1") = "4"
    & skf21("1","2","2","5","3","5","2","1") = "4"
    & skf21("1","2","2","5","3","5","3","1") = "4"
    & skf21("1","2","2","5","3","5","4","1") = "4"
    & skf21("1","2","2","5","3","5","5","1") = "4"
    & skf21("1","2","2","5","3","5","6","1") = "5"
    & skf21("1","2","2","5","3","5","7","1") = "6"
    & skf21("1","2","2","5","3","6","1","1") = "5"
    & skf21("1","2","2","5","3","6","2","1") = "5"
    & skf21("1","2","2","5","3","6","3","1") = "5"
    & skf21("1","2","2","5","3","6","4","1") = "5"
    & skf21("1","2","2","5","3","6","5","1") = "5"
    & skf21("1","2","2","5","3","6","6","1") = "5"
    & skf21("1","2","2","5","3","6","7","1") = "6"
    & skf21("1","2","2","5","3","7","1","1") = "6"
    & skf21("1","2","2","5","3","7","2","1") = "6"
    & skf21("1","2","2","5","3","7","3","1") = "6"
    & skf21("1","2","2","5","3","7","4","1") = "6"
    & skf21("1","2","2","5","3","7","5","1") = "6"
    & skf21("1","2","2","5","3","7","6","1") = "6"
    & skf21("1","2","2","5","3","7","7","1") = "6"
    & skf21("1","2","2","5","4","1","1","1") = "4"
    & skf21("1","2","2","5","4","1","2","1") = "4"
    & skf21("1","2","2","5","4","1","3","1") = "4"
    & skf21("1","2","2","5","4","1","4","1") = "4"
    & skf21("1","2","2","5","4","1","5","1") = "4"
    & skf21("1","2","2","5","4","1","6","1") = "5"
    & skf21("1","2","2","5","4","1","7","1") = "6"
    & skf21("1","2","2","5","4","2","1","1") = "4"
    & skf21("1","2","2","5","4","2","2","1") = "4"
    & skf21("1","2","2","5","4","2","3","1") = "4"
    & skf21("1","2","2","5","4","2","4","1") = "4"
    & skf21("1","2","2","5","4","2","5","1") = "4"
    & skf21("1","2","2","5","4","2","6","1") = "5"
    & skf21("1","2","2","5","4","2","7","1") = "6"
    & skf21("1","2","2","5","4","3","1","1") = "4"
    & skf21("1","2","2","5","4","3","2","1") = "4"
    & skf21("1","2","2","5","4","3","3","1") = "4"
    & skf21("1","2","2","5","4","3","4","1") = "4"
    & skf21("1","2","2","5","4","3","5","1") = "4"
    & skf21("1","2","2","5","4","3","6","1") = "5"
    & skf21("1","2","2","5","4","3","7","1") = "6"
    & skf21("1","2","2","5","4","4","1","1") = "4"
    & skf21("1","2","2","5","4","4","2","1") = "4"
    & skf21("1","2","2","5","4","4","3","1") = "4"
    & skf21("1","2","2","5","4","4","4","1") = "4"
    & skf21("1","2","2","5","4","4","5","1") = "4"
    & skf21("1","2","2","5","4","4","6","1") = "5"
    & skf21("1","2","2","5","4","4","7","1") = "6"
    & skf21("1","2","2","5","4","5","1","1") = "4"
    & skf21("1","2","2","5","4","5","2","1") = "4"
    & skf21("1","2","2","5","4","5","3","1") = "4"
    & skf21("1","2","2","5","4","5","4","1") = "4"
    & skf21("1","2","2","5","4","5","5","1") = "4"
    & skf21("1","2","2","5","4","5","6","1") = "5"
    & skf21("1","2","2","5","4","5","7","1") = "6"
    & skf21("1","2","2","5","4","6","1","1") = "5"
    & skf21("1","2","2","5","4","6","2","1") = "5"
    & skf21("1","2","2","5","4","6","3","1") = "5"
    & skf21("1","2","2","5","4","6","4","1") = "5"
    & skf21("1","2","2","5","4","6","5","1") = "5"
    & skf21("1","2","2","5","4","6","6","1") = "5"
    & skf21("1","2","2","5","4","6","7","1") = "6"
    & skf21("1","2","2","5","4","7","1","1") = "6"
    & skf21("1","2","2","5","4","7","2","1") = "6"
    & skf21("1","2","2","5","4","7","3","1") = "6"
    & skf21("1","2","2","5","4","7","4","1") = "6"
    & skf21("1","2","2","5","4","7","5","1") = "6"
    & skf21("1","2","2","5","4","7","6","1") = "6"
    & skf21("1","2","2","5","4","7","7","1") = "6"
    & skf21("1","2","2","5","5","1","1","1") = "4"
    & skf21("1","2","2","5","5","1","2","1") = "4"
    & skf21("1","2","2","5","5","1","3","1") = "4"
    & skf21("1","2","2","5","5","1","4","1") = "4"
    & skf21("1","2","2","5","5","1","5","1") = "4"
    & skf21("1","2","2","5","5","1","6","1") = "5"
    & skf21("1","2","2","5","5","1","7","1") = "6"
    & skf21("1","2","2","5","5","2","1","1") = "4"
    & skf21("1","2","2","5","5","2","2","1") = "4"
    & skf21("1","2","2","5","5","2","3","1") = "4"
    & skf21("1","2","2","5","5","2","4","1") = "4"
    & skf21("1","2","2","5","5","2","5","1") = "4"
    & skf21("1","2","2","5","5","2","6","1") = "5"
    & skf21("1","2","2","5","5","2","7","1") = "6"
    & skf21("1","2","2","5","5","3","1","1") = "4"
    & skf21("1","2","2","5","5","3","2","1") = "4"
    & skf21("1","2","2","5","5","3","3","1") = "4"
    & skf21("1","2","2","5","5","3","4","1") = "4"
    & skf21("1","2","2","5","5","3","5","1") = "4"
    & skf21("1","2","2","5","5","3","6","1") = "5"
    & skf21("1","2","2","5","5","3","7","1") = "6"
    & skf21("1","2","2","5","5","4","1","1") = "4"
    & skf21("1","2","2","5","5","4","2","1") = "4"
    & skf21("1","2","2","5","5","4","3","1") = "4"
    & skf21("1","2","2","5","5","4","4","1") = "4"
    & skf21("1","2","2","5","5","4","5","1") = "4"
    & skf21("1","2","2","5","5","4","6","1") = "5"
    & skf21("1","2","2","5","5","4","7","1") = "6"
    & skf21("1","2","2","5","5","5","1","1") = "4"
    & skf21("1","2","2","5","5","5","2","1") = "4"
    & skf21("1","2","2","5","5","5","3","1") = "4"
    & skf21("1","2","2","5","5","5","4","1") = "4"
    & skf21("1","2","2","5","5","5","5","1") = "4"
    & skf21("1","2","2","5","5","5","6","1") = "5"
    & skf21("1","2","2","5","5","5","7","1") = "6"
    & skf21("1","2","2","5","5","6","1","1") = "5"
    & skf21("1","2","2","5","5","6","2","1") = "5"
    & skf21("1","2","2","5","5","6","3","1") = "5"
    & skf21("1","2","2","5","5","6","4","1") = "5"
    & skf21("1","2","2","5","5","6","5","1") = "5"
    & skf21("1","2","2","5","5","6","6","1") = "5"
    & skf21("1","2","2","5","5","6","7","1") = "6"
    & skf21("1","2","2","5","5","7","1","1") = "6"
    & skf21("1","2","2","5","5","7","2","1") = "6"
    & skf21("1","2","2","5","5","7","3","1") = "6"
    & skf21("1","2","2","5","5","7","4","1") = "6"
    & skf21("1","2","2","5","5","7","5","1") = "6"
    & skf21("1","2","2","5","5","7","6","1") = "6"
    & skf21("1","2","2","5","5","7","7","1") = "6"
    & skf21("1","2","2","5","6","1","1","1") = "5"
    & skf21("1","2","2","5","6","1","2","1") = "5"
    & skf21("1","2","2","5","6","1","3","1") = "5"
    & skf21("1","2","2","5","6","1","4","1") = "5"
    & skf21("1","2","2","5","6","1","5","1") = "5"
    & skf21("1","2","2","5","6","1","6","1") = "5"
    & skf21("1","2","2","5","6","1","7","1") = "6"
    & skf21("1","2","2","5","6","2","1","1") = "5"
    & skf21("1","2","2","5","6","2","2","1") = "5"
    & skf21("1","2","2","5","6","2","3","1") = "5"
    & skf21("1","2","2","5","6","2","4","1") = "5"
    & skf21("1","2","2","5","6","2","5","1") = "5"
    & skf21("1","2","2","5","6","2","6","1") = "5"
    & skf21("1","2","2","5","6","2","7","1") = "6"
    & skf21("1","2","2","5","6","3","1","1") = "5"
    & skf21("1","2","2","5","6","3","2","1") = "5"
    & skf21("1","2","2","5","6","3","3","1") = "5"
    & skf21("1","2","2","5","6","3","4","1") = "5"
    & skf21("1","2","2","5","6","3","5","1") = "5"
    & skf21("1","2","2","5","6","3","6","1") = "5"
    & skf21("1","2","2","5","6","3","7","1") = "6"
    & skf21("1","2","2","5","6","4","1","1") = "5"
    & skf21("1","2","2","5","6","4","2","1") = "5"
    & skf21("1","2","2","5","6","4","3","1") = "5"
    & skf21("1","2","2","5","6","4","4","1") = "5"
    & skf21("1","2","2","5","6","4","5","1") = "5"
    & skf21("1","2","2","5","6","4","6","1") = "5"
    & skf21("1","2","2","5","6","4","7","1") = "6"
    & skf21("1","2","2","5","6","5","1","1") = "5"
    & skf21("1","2","2","5","6","5","2","1") = "5"
    & skf21("1","2","2","5","6","5","3","1") = "5"
    & skf21("1","2","2","5","6","5","4","1") = "5"
    & skf21("1","2","2","5","6","5","5","1") = "5"
    & skf21("1","2","2","5","6","5","6","1") = "5"
    & skf21("1","2","2","5","6","5","7","1") = "6"
    & skf21("1","2","2","5","6","6","1","1") = "5"
    & skf21("1","2","2","5","6","6","2","1") = "5"
    & skf21("1","2","2","5","6","6","3","1") = "5"
    & skf21("1","2","2","5","6","6","4","1") = "5"
    & skf21("1","2","2","5","6","6","5","1") = "5"
    & skf21("1","2","2","5","6","6","6","1") = "5"
    & skf21("1","2","2","5","6","6","7","1") = "6"
    & skf21("1","2","2","5","6","7","1","1") = "6"
    & skf21("1","2","2","5","6","7","2","1") = "6"
    & skf21("1","2","2","5","6","7","3","1") = "6"
    & skf21("1","2","2","5","6","7","4","1") = "6"
    & skf21("1","2","2","5","6","7","5","1") = "6"
    & skf21("1","2","2","5","6","7","6","1") = "6"
    & skf21("1","2","2","5","6","7","7","1") = "6"
    & skf21("1","2","2","5","7","1","1","1") = "6"
    & skf21("1","2","2","5","7","1","2","1") = "6"
    & skf21("1","2","2","5","7","1","3","1") = "6"
    & skf21("1","2","2","5","7","1","4","1") = "6"
    & skf21("1","2","2","5","7","1","5","1") = "6"
    & skf21("1","2","2","5","7","1","6","1") = "6"
    & skf21("1","2","2","5","7","1","7","1") = "6"
    & skf21("1","2","2","5","7","2","1","1") = "6"
    & skf21("1","2","2","5","7","2","2","1") = "6"
    & skf21("1","2","2","5","7","2","3","1") = "6"
    & skf21("1","2","2","5","7","2","4","1") = "6"
    & skf21("1","2","2","5","7","2","5","1") = "6"
    & skf21("1","2","2","5","7","2","6","1") = "6"
    & skf21("1","2","2","5","7","2","7","1") = "6"
    & skf21("1","2","2","5","7","3","1","1") = "6"
    & skf21("1","2","2","5","7","3","2","1") = "6"
    & skf21("1","2","2","5","7","3","3","1") = "6"
    & skf21("1","2","2","5","7","3","4","1") = "6"
    & skf21("1","2","2","5","7","3","5","1") = "6"
    & skf21("1","2","2","5","7","3","6","1") = "6"
    & skf21("1","2","2","5","7","3","7","1") = "6"
    & skf21("1","2","2","5","7","4","1","1") = "6"
    & skf21("1","2","2","5","7","4","2","1") = "6"
    & skf21("1","2","2","5","7","4","3","1") = "6"
    & skf21("1","2","2","5","7","4","4","1") = "6"
    & skf21("1","2","2","5","7","4","5","1") = "6"
    & skf21("1","2","2","5","7","4","6","1") = "6"
    & skf21("1","2","2","5","7","4","7","1") = "6"
    & skf21("1","2","2","5","7","5","1","1") = "6"
    & skf21("1","2","2","5","7","5","2","1") = "6"
    & skf21("1","2","2","5","7","5","3","1") = "6"
    & skf21("1","2","2","5","7","5","4","1") = "6"
    & skf21("1","2","2","5","7","5","5","1") = "6"
    & skf21("1","2","2","5","7","5","6","1") = "6"
    & skf21("1","2","2","5","7","5","7","1") = "6"
    & skf21("1","2","2","5","7","6","1","1") = "6"
    & skf21("1","2","2","5","7","6","2","1") = "6"
    & skf21("1","2","2","5","7","6","3","1") = "6"
    & skf21("1","2","2","5","7","6","4","1") = "6"
    & skf21("1","2","2","5","7","6","5","1") = "6"
    & skf21("1","2","2","5","7","6","6","1") = "6"
    & skf21("1","2","2","5","7","6","7","1") = "6"
    & skf21("1","2","2","5","7","7","1","1") = "6"
    & skf21("1","2","2","5","7","7","2","1") = "6"
    & skf21("1","2","2","5","7","7","3","1") = "6"
    & skf21("1","2","2","5","7","7","4","1") = "6"
    & skf21("1","2","2","5","7","7","5","1") = "6"
    & skf21("1","2","2","5","7","7","6","1") = "6"
    & skf21("1","2","2","5","7","7","7","1") = "6"
    & skf21("1","2","2","6","1","1","1","1") = "5"
    & skf21("1","2","2","6","1","1","2","1") = "5"
    & skf21("1","2","2","6","1","1","3","1") = "5"
    & skf21("1","2","2","6","1","1","4","1") = "5"
    & skf21("1","2","2","6","1","1","5","1") = "5"
    & skf21("1","2","2","6","1","1","6","1") = "5"
    & skf21("1","2","2","6","1","1","7","1") = "6"
    & skf21("1","2","2","6","1","2","1","1") = "5"
    & skf21("1","2","2","6","1","2","2","1") = "5"
    & skf21("1","2","2","6","1","2","3","1") = "5"
    & skf21("1","2","2","6","1","2","4","1") = "5"
    & skf21("1","2","2","6","1","2","5","1") = "5"
    & skf21("1","2","2","6","1","2","6","1") = "5"
    & skf21("1","2","2","6","1","2","7","1") = "6"
    & skf21("1","2","2","6","1","3","1","1") = "5"
    & skf21("1","2","2","6","1","3","2","1") = "5"
    & skf21("1","2","2","6","1","3","3","1") = "5"
    & skf21("1","2","2","6","1","3","4","1") = "5"
    & skf21("1","2","2","6","1","3","5","1") = "5"
    & skf21("1","2","2","6","1","3","6","1") = "5"
    & skf21("1","2","2","6","1","3","7","1") = "6"
    & skf21("1","2","2","6","1","4","1","1") = "5"
    & skf21("1","2","2","6","1","4","2","1") = "5"
    & skf21("1","2","2","6","1","4","3","1") = "5"
    & skf21("1","2","2","6","1","4","4","1") = "5"
    & skf21("1","2","2","6","1","4","5","1") = "5"
    & skf21("1","2","2","6","1","4","6","1") = "5"
    & skf21("1","2","2","6","1","4","7","1") = "6"
    & skf21("1","2","2","6","1","5","1","1") = "5"
    & skf21("1","2","2","6","1","5","2","1") = "5"
    & skf21("1","2","2","6","1","5","3","1") = "5"
    & skf21("1","2","2","6","1","5","4","1") = "5"
    & skf21("1","2","2","6","1","5","5","1") = "5"
    & skf21("1","2","2","6","1","5","6","1") = "5"
    & skf21("1","2","2","6","1","5","7","1") = "6"
    & skf21("1","2","2","6","1","6","1","1") = "5"
    & skf21("1","2","2","6","1","6","2","1") = "5"
    & skf21("1","2","2","6","1","6","3","1") = "5"
    & skf21("1","2","2","6","1","6","4","1") = "5"
    & skf21("1","2","2","6","1","6","5","1") = "5"
    & skf21("1","2","2","6","1","6","6","1") = "5"
    & skf21("1","2","2","6","1","6","7","1") = "6"
    & skf21("1","2","2","6","1","7","1","1") = "6"
    & skf21("1","2","2","6","1","7","2","1") = "6"
    & skf21("1","2","2","6","1","7","3","1") = "6"
    & skf21("1","2","2","6","1","7","4","1") = "6"
    & skf21("1","2","2","6","1","7","5","1") = "6"
    & skf21("1","2","2","6","1","7","6","1") = "6"
    & skf21("1","2","2","6","1","7","7","1") = "6"
    & skf21("1","2","2","6","2","1","1","1") = "5"
    & skf21("1","2","2","6","2","1","2","1") = "5"
    & skf21("1","2","2","6","2","1","3","1") = "5"
    & skf21("1","2","2","6","2","1","4","1") = "5"
    & skf21("1","2","2","6","2","1","5","1") = "5"
    & skf21("1","2","2","6","2","1","6","1") = "5"
    & skf21("1","2","2","6","2","1","7","1") = "6"
    & skf21("1","2","2","6","2","2","1","1") = "5"
    & skf21("1","2","2","6","2","2","2","1") = "5"
    & skf21("1","2","2","6","2","2","3","1") = "5"
    & skf21("1","2","2","6","2","2","4","1") = "5"
    & skf21("1","2","2","6","2","2","5","1") = "5"
    & skf21("1","2","2","6","2","2","6","1") = "5"
    & skf21("1","2","2","6","2","2","7","1") = "6"
    & skf21("1","2","2","6","2","3","1","1") = "5"
    & skf21("1","2","2","6","2","3","2","1") = "5"
    & skf21("1","2","2","6","2","3","3","1") = "5"
    & skf21("1","2","2","6","2","3","4","1") = "5"
    & skf21("1","2","2","6","2","3","5","1") = "5"
    & skf21("1","2","2","6","2","3","6","1") = "5"
    & skf21("1","2","2","6","2","3","7","1") = "6"
    & skf21("1","2","2","6","2","4","1","1") = "5"
    & skf21("1","2","2","6","2","4","2","1") = "5"
    & skf21("1","2","2","6","2","4","3","1") = "5"
    & skf21("1","2","2","6","2","4","4","1") = "5"
    & skf21("1","2","2","6","2","4","5","1") = "5"
    & skf21("1","2","2","6","2","4","6","1") = "5"
    & skf21("1","2","2","6","2","4","7","1") = "6"
    & skf21("1","2","2","6","2","5","1","1") = "5"
    & skf21("1","2","2","6","2","5","2","1") = "5"
    & skf21("1","2","2","6","2","5","3","1") = "5"
    & skf21("1","2","2","6","2","5","4","1") = "5"
    & skf21("1","2","2","6","2","5","5","1") = "5"
    & skf21("1","2","2","6","2","5","6","1") = "5"
    & skf21("1","2","2","6","2","5","7","1") = "6"
    & skf21("1","2","2","6","2","6","1","1") = "5"
    & skf21("1","2","2","6","2","6","2","1") = "5"
    & skf21("1","2","2","6","2","6","3","1") = "5"
    & skf21("1","2","2","6","2","6","4","1") = "5"
    & skf21("1","2","2","6","2","6","5","1") = "5"
    & skf21("1","2","2","6","2","6","6","1") = "5"
    & skf21("1","2","2","6","2","6","7","1") = "6"
    & skf21("1","2","2","6","2","7","1","1") = "6"
    & skf21("1","2","2","6","2","7","2","1") = "6"
    & skf21("1","2","2","6","2","7","3","1") = "6"
    & skf21("1","2","2","6","2","7","4","1") = "6"
    & skf21("1","2","2","6","2","7","5","1") = "6"
    & skf21("1","2","2","6","2","7","6","1") = "6"
    & skf21("1","2","2","6","2","7","7","1") = "6"
    & skf21("1","2","2","6","3","1","1","1") = "5"
    & skf21("1","2","2","6","3","1","2","1") = "5"
    & skf21("1","2","2","6","3","1","3","1") = "5"
    & skf21("1","2","2","6","3","1","4","1") = "5"
    & skf21("1","2","2","6","3","1","5","1") = "5"
    & skf21("1","2","2","6","3","1","6","1") = "5"
    & skf21("1","2","2","6","3","1","7","1") = "6"
    & skf21("1","2","2","6","3","2","1","1") = "5"
    & skf21("1","2","2","6","3","2","2","1") = "5"
    & skf21("1","2","2","6","3","2","3","1") = "5"
    & skf21("1","2","2","6","3","2","4","1") = "5"
    & skf21("1","2","2","6","3","2","5","1") = "5"
    & skf21("1","2","2","6","3","2","6","1") = "5"
    & skf21("1","2","2","6","3","2","7","1") = "6"
    & skf21("1","2","2","6","3","3","1","1") = "5"
    & skf21("1","2","2","6","3","3","2","1") = "5"
    & skf21("1","2","2","6","3","3","3","1") = "5"
    & skf21("1","2","2","6","3","3","4","1") = "5"
    & skf21("1","2","2","6","3","3","5","1") = "5"
    & skf21("1","2","2","6","3","3","6","1") = "5"
    & skf21("1","2","2","6","3","3","7","1") = "6"
    & skf21("1","2","2","6","3","4","1","1") = "5"
    & skf21("1","2","2","6","3","4","2","1") = "5"
    & skf21("1","2","2","6","3","4","3","1") = "5"
    & skf21("1","2","2","6","3","4","4","1") = "5"
    & skf21("1","2","2","6","3","4","5","1") = "5"
    & skf21("1","2","2","6","3","4","6","1") = "5"
    & skf21("1","2","2","6","3","4","7","1") = "6"
    & skf21("1","2","2","6","3","5","1","1") = "5"
    & skf21("1","2","2","6","3","5","2","1") = "5"
    & skf21("1","2","2","6","3","5","3","1") = "5"
    & skf21("1","2","2","6","3","5","4","1") = "5"
    & skf21("1","2","2","6","3","5","5","1") = "5"
    & skf21("1","2","2","6","3","5","6","1") = "5"
    & skf21("1","2","2","6","3","5","7","1") = "6"
    & skf21("1","2","2","6","3","6","1","1") = "5"
    & skf21("1","2","2","6","3","6","2","1") = "5"
    & skf21("1","2","2","6","3","6","3","1") = "5"
    & skf21("1","2","2","6","3","6","4","1") = "5"
    & skf21("1","2","2","6","3","6","5","1") = "5"
    & skf21("1","2","2","6","3","6","6","1") = "5"
    & skf21("1","2","2","6","3","6","7","1") = "6"
    & skf21("1","2","2","6","3","7","1","1") = "6"
    & skf21("1","2","2","6","3","7","2","1") = "6"
    & skf21("1","2","2","6","3","7","3","1") = "6"
    & skf21("1","2","2","6","3","7","4","1") = "6"
    & skf21("1","2","2","6","3","7","5","1") = "6"
    & skf21("1","2","2","6","3","7","6","1") = "6"
    & skf21("1","2","2","6","3","7","7","1") = "6"
    & skf21("1","2","2","6","4","1","1","1") = "5"
    & skf21("1","2","2","6","4","1","2","1") = "5"
    & skf21("1","2","2","6","4","1","3","1") = "5"
    & skf21("1","2","2","6","4","1","4","1") = "5"
    & skf21("1","2","2","6","4","1","5","1") = "5"
    & skf21("1","2","2","6","4","1","6","1") = "5"
    & skf21("1","2","2","6","4","1","7","1") = "6"
    & skf21("1","2","2","6","4","2","1","1") = "5"
    & skf21("1","2","2","6","4","2","2","1") = "5"
    & skf21("1","2","2","6","4","2","3","1") = "5"
    & skf21("1","2","2","6","4","2","4","1") = "5"
    & skf21("1","2","2","6","4","2","5","1") = "5"
    & skf21("1","2","2","6","4","2","6","1") = "5"
    & skf21("1","2","2","6","4","2","7","1") = "6"
    & skf21("1","2","2","6","4","3","1","1") = "5"
    & skf21("1","2","2","6","4","3","2","1") = "5"
    & skf21("1","2","2","6","4","3","3","1") = "5"
    & skf21("1","2","2","6","4","3","4","1") = "5"
    & skf21("1","2","2","6","4","3","5","1") = "5"
    & skf21("1","2","2","6","4","3","6","1") = "5"
    & skf21("1","2","2","6","4","3","7","1") = "6"
    & skf21("1","2","2","6","4","4","1","1") = "5"
    & skf21("1","2","2","6","4","4","2","1") = "5"
    & skf21("1","2","2","6","4","4","3","1") = "5"
    & skf21("1","2","2","6","4","4","4","1") = "5"
    & skf21("1","2","2","6","4","4","5","1") = "5"
    & skf21("1","2","2","6","4","4","6","1") = "5"
    & skf21("1","2","2","6","4","4","7","1") = "6"
    & skf21("1","2","2","6","4","5","1","1") = "5"
    & skf21("1","2","2","6","4","5","2","1") = "5"
    & skf21("1","2","2","6","4","5","3","1") = "5"
    & skf21("1","2","2","6","4","5","4","1") = "5"
    & skf21("1","2","2","6","4","5","5","1") = "5"
    & skf21("1","2","2","6","4","5","6","1") = "5"
    & skf21("1","2","2","6","4","5","7","1") = "6"
    & skf21("1","2","2","6","4","6","1","1") = "5"
    & skf21("1","2","2","6","4","6","2","1") = "5"
    & skf21("1","2","2","6","4","6","3","1") = "5"
    & skf21("1","2","2","6","4","6","4","1") = "5"
    & skf21("1","2","2","6","4","6","5","1") = "5"
    & skf21("1","2","2","6","4","6","6","1") = "5"
    & skf21("1","2","2","6","4","6","7","1") = "6"
    & skf21("1","2","2","6","4","7","1","1") = "6"
    & skf21("1","2","2","6","4","7","2","1") = "6"
    & skf21("1","2","2","6","4","7","3","1") = "6"
    & skf21("1","2","2","6","4","7","4","1") = "6"
    & skf21("1","2","2","6","4","7","5","1") = "6"
    & skf21("1","2","2","6","4","7","6","1") = "6"
    & skf21("1","2","2","6","4","7","7","1") = "6"
    & skf21("1","2","2","6","5","1","1","1") = "5"
    & skf21("1","2","2","6","5","1","2","1") = "5"
    & skf21("1","2","2","6","5","1","3","1") = "5"
    & skf21("1","2","2","6","5","1","4","1") = "5"
    & skf21("1","2","2","6","5","1","5","1") = "5"
    & skf21("1","2","2","6","5","1","6","1") = "5"
    & skf21("1","2","2","6","5","1","7","1") = "6"
    & skf21("1","2","2","6","5","2","1","1") = "5"
    & skf21("1","2","2","6","5","2","2","1") = "5"
    & skf21("1","2","2","6","5","2","3","1") = "5"
    & skf21("1","2","2","6","5","2","4","1") = "5"
    & skf21("1","2","2","6","5","2","5","1") = "5"
    & skf21("1","2","2","6","5","2","6","1") = "5"
    & skf21("1","2","2","6","5","2","7","1") = "6"
    & skf21("1","2","2","6","5","3","1","1") = "5"
    & skf21("1","2","2","6","5","3","2","1") = "5"
    & skf21("1","2","2","6","5","3","3","1") = "5"
    & skf21("1","2","2","6","5","3","4","1") = "5"
    & skf21("1","2","2","6","5","3","5","1") = "5"
    & skf21("1","2","2","6","5","3","6","1") = "5"
    & skf21("1","2","2","6","5","3","7","1") = "6"
    & skf21("1","2","2","6","5","4","1","1") = "5"
    & skf21("1","2","2","6","5","4","2","1") = "5"
    & skf21("1","2","2","6","5","4","3","1") = "5"
    & skf21("1","2","2","6","5","4","4","1") = "5"
    & skf21("1","2","2","6","5","4","5","1") = "5"
    & skf21("1","2","2","6","5","4","6","1") = "5"
    & skf21("1","2","2","6","5","4","7","1") = "6"
    & skf21("1","2","2","6","5","5","1","1") = "5"
    & skf21("1","2","2","6","5","5","2","1") = "5"
    & skf21("1","2","2","6","5","5","3","1") = "5"
    & skf21("1","2","2","6","5","5","4","1") = "5"
    & skf21("1","2","2","6","5","5","5","1") = "5"
    & skf21("1","2","2","6","5","5","6","1") = "5"
    & skf21("1","2","2","6","5","5","7","1") = "6"
    & skf21("1","2","2","6","5","6","1","1") = "5"
    & skf21("1","2","2","6","5","6","2","1") = "5"
    & skf21("1","2","2","6","5","6","3","1") = "5"
    & skf21("1","2","2","6","5","6","4","1") = "5"
    & skf21("1","2","2","6","5","6","5","1") = "5"
    & skf21("1","2","2","6","5","6","6","1") = "5"
    & skf21("1","2","2","6","5","6","7","1") = "6"
    & skf21("1","2","2","6","5","7","1","1") = "6"
    & skf21("1","2","2","6","5","7","2","1") = "6"
    & skf21("1","2","2","6","5","7","3","1") = "6"
    & skf21("1","2","2","6","5","7","4","1") = "6"
    & skf21("1","2","2","6","5","7","5","1") = "6"
    & skf21("1","2","2","6","5","7","6","1") = "6"
    & skf21("1","2","2","6","5","7","7","1") = "6"
    & skf21("1","2","2","6","6","1","1","1") = "5"
    & skf21("1","2","2","6","6","1","2","1") = "5"
    & skf21("1","2","2","6","6","1","3","1") = "5"
    & skf21("1","2","2","6","6","1","4","1") = "5"
    & skf21("1","2","2","6","6","1","5","1") = "5"
    & skf21("1","2","2","6","6","1","6","1") = "5"
    & skf21("1","2","2","6","6","1","7","1") = "6"
    & skf21("1","2","2","6","6","2","1","1") = "5"
    & skf21("1","2","2","6","6","2","2","1") = "5"
    & skf21("1","2","2","6","6","2","3","1") = "5"
    & skf21("1","2","2","6","6","2","4","1") = "5"
    & skf21("1","2","2","6","6","2","5","1") = "5"
    & skf21("1","2","2","6","6","2","6","1") = "5"
    & skf21("1","2","2","6","6","2","7","1") = "6"
    & skf21("1","2","2","6","6","3","1","1") = "5"
    & skf21("1","2","2","6","6","3","2","1") = "5"
    & skf21("1","2","2","6","6","3","3","1") = "5"
    & skf21("1","2","2","6","6","3","4","1") = "5"
    & skf21("1","2","2","6","6","3","5","1") = "5"
    & skf21("1","2","2","6","6","3","6","1") = "5"
    & skf21("1","2","2","6","6","3","7","1") = "6"
    & skf21("1","2","2","6","6","4","1","1") = "5"
    & skf21("1","2","2","6","6","4","2","1") = "5"
    & skf21("1","2","2","6","6","4","3","1") = "5"
    & skf21("1","2","2","6","6","4","4","1") = "5"
    & skf21("1","2","2","6","6","4","5","1") = "5"
    & skf21("1","2","2","6","6","4","6","1") = "5"
    & skf21("1","2","2","6","6","4","7","1") = "6"
    & skf21("1","2","2","6","6","5","1","1") = "5"
    & skf21("1","2","2","6","6","5","2","1") = "5"
    & skf21("1","2","2","6","6","5","3","1") = "5"
    & skf21("1","2","2","6","6","5","4","1") = "5"
    & skf21("1","2","2","6","6","5","5","1") = "5"
    & skf21("1","2","2","6","6","5","6","1") = "5"
    & skf21("1","2","2","6","6","5","7","1") = "6"
    & skf21("1","2","2","6","6","6","1","1") = "5"
    & skf21("1","2","2","6","6","6","2","1") = "5"
    & skf21("1","2","2","6","6","6","3","1") = "5"
    & skf21("1","2","2","6","6","6","4","1") = "5"
    & skf21("1","2","2","6","6","6","5","1") = "5"
    & skf21("1","2","2","6","6","6","6","1") = "5"
    & skf21("1","2","2","6","6","6","7","1") = "6"
    & skf21("1","2","2","6","6","7","1","1") = "6"
    & skf21("1","2","2","6","6","7","2","1") = "6"
    & skf21("1","2","2","6","6","7","3","1") = "6"
    & skf21("1","2","2","6","6","7","4","1") = "6"
    & skf21("1","2","2","6","6","7","5","1") = "6"
    & skf21("1","2","2","6","6","7","6","1") = "6"
    & skf21("1","2","2","6","6","7","7","1") = "6"
    & skf21("1","2","2","6","7","1","1","1") = "6"
    & skf21("1","2","2","6","7","1","2","1") = "6"
    & skf21("1","2","2","6","7","1","3","1") = "6"
    & skf21("1","2","2","6","7","1","4","1") = "6"
    & skf21("1","2","2","6","7","1","5","1") = "6"
    & skf21("1","2","2","6","7","1","6","1") = "6"
    & skf21("1","2","2","6","7","1","7","1") = "6"
    & skf21("1","2","2","6","7","2","1","1") = "6"
    & skf21("1","2","2","6","7","2","2","1") = "6"
    & skf21("1","2","2","6","7","2","3","1") = "6"
    & skf21("1","2","2","6","7","2","4","1") = "6"
    & skf21("1","2","2","6","7","2","5","1") = "6"
    & skf21("1","2","2","6","7","2","6","1") = "6"
    & skf21("1","2","2","6","7","2","7","1") = "6"
    & skf21("1","2","2","6","7","3","1","1") = "6"
    & skf21("1","2","2","6","7","3","2","1") = "6"
    & skf21("1","2","2","6","7","3","3","1") = "6"
    & skf21("1","2","2","6","7","3","4","1") = "6"
    & skf21("1","2","2","6","7","3","5","1") = "6"
    & skf21("1","2","2","6","7","3","6","1") = "6"
    & skf21("1","2","2","6","7","3","7","1") = "6"
    & skf21("1","2","2","6","7","4","1","1") = "6"
    & skf21("1","2","2","6","7","4","2","1") = "6"
    & skf21("1","2","2","6","7","4","3","1") = "6"
    & skf21("1","2","2","6","7","4","4","1") = "6"
    & skf21("1","2","2","6","7","4","5","1") = "6"
    & skf21("1","2","2","6","7","4","6","1") = "6"
    & skf21("1","2","2","6","7","4","7","1") = "6"
    & skf21("1","2","2","6","7","5","1","1") = "6"
    & skf21("1","2","2","6","7","5","2","1") = "6"
    & skf21("1","2","2","6","7","5","3","1") = "6"
    & skf21("1","2","2","6","7","5","4","1") = "6"
    & skf21("1","2","2","6","7","5","5","1") = "6"
    & skf21("1","2","2","6","7","5","6","1") = "6"
    & skf21("1","2","2","6","7","5","7","1") = "6"
    & skf21("1","2","2","6","7","6","1","1") = "6"
    & skf21("1","2","2","6","7","6","2","1") = "6"
    & skf21("1","2","2","6","7","6","3","1") = "6"
    & skf21("1","2","2","6","7","6","4","1") = "6"
    & skf21("1","2","2","6","7","6","5","1") = "6"
    & skf21("1","2","2","6","7","6","6","1") = "6"
    & skf21("1","2","2","6","7","6","7","1") = "6"
    & skf21("1","2","2","6","7","7","1","1") = "6"
    & skf21("1","2","2","6","7","7","2","1") = "6"
    & skf21("1","2","2","6","7","7","3","1") = "6"
    & skf21("1","2","2","6","7","7","4","1") = "6"
    & skf21("1","2","2","6","7","7","5","1") = "6"
    & skf21("1","2","2","6","7","7","6","1") = "6"
    & skf21("1","2","2","6","7","7","7","1") = "6"
    & skf21("1","2","2","7","1","1","1","1") = "6"
    & skf21("1","2","2","7","1","1","2","1") = "6"
    & skf21("1","2","2","7","1","1","3","1") = "6"
    & skf21("1","2","2","7","1","1","4","1") = "6"
    & skf21("1","2","2","7","1","1","5","1") = "6"
    & skf21("1","2","2","7","1","1","6","1") = "6"
    & skf21("1","2","2","7","1","1","7","1") = "6"
    & skf21("1","2","2","7","1","2","1","1") = "6"
    & skf21("1","2","2","7","1","2","2","1") = "6"
    & skf21("1","2","2","7","1","2","3","1") = "6"
    & skf21("1","2","2","7","1","2","4","1") = "6"
    & skf21("1","2","2","7","1","2","5","1") = "6"
    & skf21("1","2","2","7","1","2","6","1") = "6"
    & skf21("1","2","2","7","1","2","7","1") = "6"
    & skf21("1","2","2","7","1","3","1","1") = "6"
    & skf21("1","2","2","7","1","3","2","1") = "6"
    & skf21("1","2","2","7","1","3","3","1") = "6"
    & skf21("1","2","2","7","1","3","4","1") = "6"
    & skf21("1","2","2","7","1","3","5","1") = "6"
    & skf21("1","2","2","7","1","3","6","1") = "6"
    & skf21("1","2","2","7","1","3","7","1") = "6"
    & skf21("1","2","2","7","1","4","1","1") = "6"
    & skf21("1","2","2","7","1","4","2","1") = "6"
    & skf21("1","2","2","7","1","4","3","1") = "6"
    & skf21("1","2","2","7","1","4","4","1") = "6"
    & skf21("1","2","2","7","1","4","5","1") = "6"
    & skf21("1","2","2","7","1","4","6","1") = "6"
    & skf21("1","2","2","7","1","4","7","1") = "6"
    & skf21("1","2","2","7","1","5","1","1") = "6"
    & skf21("1","2","2","7","1","5","2","1") = "6"
    & skf21("1","2","2","7","1","5","3","1") = "6"
    & skf21("1","2","2","7","1","5","4","1") = "6"
    & skf21("1","2","2","7","1","5","5","1") = "6"
    & skf21("1","2","2","7","1","5","6","1") = "6"
    & skf21("1","2","2","7","1","5","7","1") = "6"
    & skf21("1","2","2","7","1","6","1","1") = "6"
    & skf21("1","2","2","7","1","6","2","1") = "6"
    & skf21("1","2","2","7","1","6","3","1") = "6"
    & skf21("1","2","2","7","1","6","4","1") = "6"
    & skf21("1","2","2","7","1","6","5","1") = "6"
    & skf21("1","2","2","7","1","6","6","1") = "6"
    & skf21("1","2","2","7","1","6","7","1") = "6"
    & skf21("1","2","2","7","1","7","1","1") = "6"
    & skf21("1","2","2","7","1","7","2","1") = "6"
    & skf21("1","2","2","7","1","7","3","1") = "6"
    & skf21("1","2","2","7","1","7","4","1") = "6"
    & skf21("1","2","2","7","1","7","5","1") = "6"
    & skf21("1","2","2","7","1","7","6","1") = "6"
    & skf21("1","2","2","7","1","7","7","1") = "6"
    & skf21("1","2","2","7","2","1","1","1") = "6"
    & skf21("1","2","2","7","2","1","2","1") = "6"
    & skf21("1","2","2","7","2","1","3","1") = "6"
    & skf21("1","2","2","7","2","1","4","1") = "6"
    & skf21("1","2","2","7","2","1","5","1") = "6"
    & skf21("1","2","2","7","2","1","6","1") = "6"
    & skf21("1","2","2","7","2","1","7","1") = "6"
    & skf21("1","2","2","7","2","2","1","1") = "6"
    & skf21("1","2","2","7","2","2","2","1") = "6"
    & skf21("1","2","2","7","2","2","3","1") = "6"
    & skf21("1","2","2","7","2","2","4","1") = "6"
    & skf21("1","2","2","7","2","2","5","1") = "6"
    & skf21("1","2","2","7","2","2","6","1") = "6"
    & skf21("1","2","2","7","2","2","7","1") = "6"
    & skf21("1","2","2","7","2","3","1","1") = "6"
    & skf21("1","2","2","7","2","3","2","1") = "6"
    & skf21("1","2","2","7","2","3","3","1") = "6"
    & skf21("1","2","2","7","2","3","4","1") = "6"
    & skf21("1","2","2","7","2","3","5","1") = "6"
    & skf21("1","2","2","7","2","3","6","1") = "6"
    & skf21("1","2","2","7","2","3","7","1") = "6"
    & skf21("1","2","2","7","2","4","1","1") = "6"
    & skf21("1","2","2","7","2","4","2","1") = "6"
    & skf21("1","2","2","7","2","4","3","1") = "6"
    & skf21("1","2","2","7","2","4","4","1") = "6"
    & skf21("1","2","2","7","2","4","5","1") = "6"
    & skf21("1","2","2","7","2","4","6","1") = "6"
    & skf21("1","2","2","7","2","4","7","1") = "6"
    & skf21("1","2","2","7","2","5","1","1") = "6"
    & skf21("1","2","2","7","2","5","2","1") = "6"
    & skf21("1","2","2","7","2","5","3","1") = "6"
    & skf21("1","2","2","7","2","5","4","1") = "6"
    & skf21("1","2","2","7","2","5","5","1") = "6"
    & skf21("1","2","2","7","2","5","6","1") = "6"
    & skf21("1","2","2","7","2","5","7","1") = "6"
    & skf21("1","2","2","7","2","6","1","1") = "6"
    & skf21("1","2","2","7","2","6","2","1") = "6"
    & skf21("1","2","2","7","2","6","3","1") = "6"
    & skf21("1","2","2","7","2","6","4","1") = "6"
    & skf21("1","2","2","7","2","6","5","1") = "6"
    & skf21("1","2","2","7","2","6","6","1") = "6"
    & skf21("1","2","2","7","2","6","7","1") = "6"
    & skf21("1","2","2","7","2","7","1","1") = "6"
    & skf21("1","2","2","7","2","7","2","1") = "6"
    & skf21("1","2","2","7","2","7","3","1") = "6"
    & skf21("1","2","2","7","2","7","4","1") = "6"
    & skf21("1","2","2","7","2","7","5","1") = "6"
    & skf21("1","2","2","7","2","7","6","1") = "6"
    & skf21("1","2","2","7","2","7","7","1") = "6"
    & skf21("1","2","2","7","3","1","1","1") = "6"
    & skf21("1","2","2","7","3","1","2","1") = "6"
    & skf21("1","2","2","7","3","1","3","1") = "6"
    & skf21("1","2","2","7","3","1","4","1") = "6"
    & skf21("1","2","2","7","3","1","5","1") = "6"
    & skf21("1","2","2","7","3","1","6","1") = "6"
    & skf21("1","2","2","7","3","1","7","1") = "6"
    & skf21("1","2","2","7","3","2","1","1") = "6"
    & skf21("1","2","2","7","3","2","2","1") = "6"
    & skf21("1","2","2","7","3","2","3","1") = "6"
    & skf21("1","2","2","7","3","2","4","1") = "6"
    & skf21("1","2","2","7","3","2","5","1") = "6"
    & skf21("1","2","2","7","3","2","6","1") = "6"
    & skf21("1","2","2","7","3","2","7","1") = "6"
    & skf21("1","2","2","7","3","3","1","1") = "6"
    & skf21("1","2","2","7","3","3","2","1") = "6"
    & skf21("1","2","2","7","3","3","3","1") = "6"
    & skf21("1","2","2","7","3","3","4","1") = "6"
    & skf21("1","2","2","7","3","3","5","1") = "6"
    & skf21("1","2","2","7","3","3","6","1") = "6"
    & skf21("1","2","2","7","3","3","7","1") = "6"
    & skf21("1","2","2","7","3","4","1","1") = "6"
    & skf21("1","2","2","7","3","4","2","1") = "6"
    & skf21("1","2","2","7","3","4","3","1") = "6"
    & skf21("1","2","2","7","3","4","4","1") = "6"
    & skf21("1","2","2","7","3","4","5","1") = "6"
    & skf21("1","2","2","7","3","4","6","1") = "6"
    & skf21("1","2","2","7","3","4","7","1") = "6"
    & skf21("1","2","2","7","3","5","1","1") = "6"
    & skf21("1","2","2","7","3","5","2","1") = "6"
    & skf21("1","2","2","7","3","5","3","1") = "6"
    & skf21("1","2","2","7","3","5","4","1") = "6"
    & skf21("1","2","2","7","3","5","5","1") = "6"
    & skf21("1","2","2","7","3","5","6","1") = "6"
    & skf21("1","2","2","7","3","5","7","1") = "6"
    & skf21("1","2","2","7","3","6","1","1") = "6"
    & skf21("1","2","2","7","3","6","2","1") = "6"
    & skf21("1","2","2","7","3","6","3","1") = "6"
    & skf21("1","2","2","7","3","6","4","1") = "6"
    & skf21("1","2","2","7","3","6","5","1") = "6"
    & skf21("1","2","2","7","3","6","6","1") = "6"
    & skf21("1","2","2","7","3","6","7","1") = "6"
    & skf21("1","2","2","7","3","7","1","1") = "6"
    & skf21("1","2","2","7","3","7","2","1") = "6"
    & skf21("1","2","2","7","3","7","3","1") = "6"
    & skf21("1","2","2","7","3","7","4","1") = "6"
    & skf21("1","2","2","7","3","7","5","1") = "6"
    & skf21("1","2","2","7","3","7","6","1") = "6"
    & skf21("1","2","2","7","3","7","7","1") = "6"
    & skf21("1","2","2","7","4","1","1","1") = "6"
    & skf21("1","2","2","7","4","1","2","1") = "6"
    & skf21("1","2","2","7","4","1","3","1") = "6"
    & skf21("1","2","2","7","4","1","4","1") = "6"
    & skf21("1","2","2","7","4","1","5","1") = "6"
    & skf21("1","2","2","7","4","1","6","1") = "6"
    & skf21("1","2","2","7","4","1","7","1") = "6"
    & skf21("1","2","2","7","4","2","1","1") = "6"
    & skf21("1","2","2","7","4","2","2","1") = "6"
    & skf21("1","2","2","7","4","2","3","1") = "6"
    & skf21("1","2","2","7","4","2","4","1") = "6"
    & skf21("1","2","2","7","4","2","5","1") = "6"
    & skf21("1","2","2","7","4","2","6","1") = "6"
    & skf21("1","2","2","7","4","2","7","1") = "6"
    & skf21("1","2","2","7","4","3","1","1") = "6"
    & skf21("1","2","2","7","4","3","2","1") = "6"
    & skf21("1","2","2","7","4","3","3","1") = "6"
    & skf21("1","2","2","7","4","3","4","1") = "6"
    & skf21("1","2","2","7","4","3","5","1") = "6"
    & skf21("1","2","2","7","4","3","6","1") = "6"
    & skf21("1","2","2","7","4","3","7","1") = "6"
    & skf21("1","2","2","7","4","4","1","1") = "6"
    & skf21("1","2","2","7","4","4","2","1") = "6"
    & skf21("1","2","2","7","4","4","3","1") = "6"
    & skf21("1","2","2","7","4","4","4","1") = "6"
    & skf21("1","2","2","7","4","4","5","1") = "6"
    & skf21("1","2","2","7","4","4","6","1") = "6"
    & skf21("1","2","2","7","4","4","7","1") = "6"
    & skf21("1","2","2","7","4","5","1","1") = "6"
    & skf21("1","2","2","7","4","5","2","1") = "6"
    & skf21("1","2","2","7","4","5","3","1") = "6"
    & skf21("1","2","2","7","4","5","4","1") = "6"
    & skf21("1","2","2","7","4","5","5","1") = "6"
    & skf21("1","2","2","7","4","5","6","1") = "6"
    & skf21("1","2","2","7","4","5","7","1") = "6"
    & skf21("1","2","2","7","4","6","1","1") = "6"
    & skf21("1","2","2","7","4","6","2","1") = "6"
    & skf21("1","2","2","7","4","6","3","1") = "6"
    & skf21("1","2","2","7","4","6","4","1") = "6"
    & skf21("1","2","2","7","4","6","5","1") = "6"
    & skf21("1","2","2","7","4","6","6","1") = "6"
    & skf21("1","2","2","7","4","6","7","1") = "6"
    & skf21("1","2","2","7","4","7","1","1") = "6"
    & skf21("1","2","2","7","4","7","2","1") = "6"
    & skf21("1","2","2","7","4","7","3","1") = "6"
    & skf21("1","2","2","7","4","7","4","1") = "6"
    & skf21("1","2","2","7","4","7","5","1") = "6"
    & skf21("1","2","2","7","4","7","6","1") = "6"
    & skf21("1","2","2","7","4","7","7","1") = "6"
    & skf21("1","2","2","7","5","1","1","1") = "6"
    & skf21("1","2","2","7","5","1","2","1") = "6"
    & skf21("1","2","2","7","5","1","3","1") = "6"
    & skf21("1","2","2","7","5","1","4","1") = "6"
    & skf21("1","2","2","7","5","1","5","1") = "6"
    & skf21("1","2","2","7","5","1","6","1") = "6"
    & skf21("1","2","2","7","5","1","7","1") = "6"
    & skf21("1","2","2","7","5","2","1","1") = "6"
    & skf21("1","2","2","7","5","2","2","1") = "6"
    & skf21("1","2","2","7","5","2","3","1") = "6"
    & skf21("1","2","2","7","5","2","4","1") = "6"
    & skf21("1","2","2","7","5","2","5","1") = "6"
    & skf21("1","2","2","7","5","2","6","1") = "6"
    & skf21("1","2","2","7","5","2","7","1") = "6"
    & skf21("1","2","2","7","5","3","1","1") = "6"
    & skf21("1","2","2","7","5","3","2","1") = "6"
    & skf21("1","2","2","7","5","3","3","1") = "6"
    & skf21("1","2","2","7","5","3","4","1") = "6"
    & skf21("1","2","2","7","5","3","5","1") = "6"
    & skf21("1","2","2","7","5","3","6","1") = "6"
    & skf21("1","2","2","7","5","3","7","1") = "6"
    & skf21("1","2","2","7","5","4","1","1") = "6"
    & skf21("1","2","2","7","5","4","2","1") = "6"
    & skf21("1","2","2","7","5","4","3","1") = "6"
    & skf21("1","2","2","7","5","4","4","1") = "6"
    & skf21("1","2","2","7","5","4","5","1") = "6"
    & skf21("1","2","2","7","5","4","6","1") = "6"
    & skf21("1","2","2","7","5","4","7","1") = "6"
    & skf21("1","2","2","7","5","5","1","1") = "6"
    & skf21("1","2","2","7","5","5","2","1") = "6"
    & skf21("1","2","2","7","5","5","3","1") = "6"
    & skf21("1","2","2","7","5","5","4","1") = "6"
    & skf21("1","2","2","7","5","5","5","1") = "6"
    & skf21("1","2","2","7","5","5","6","1") = "6"
    & skf21("1","2","2","7","5","5","7","1") = "6"
    & skf21("1","2","2","7","5","6","1","1") = "6"
    & skf21("1","2","2","7","5","6","2","1") = "6"
    & skf21("1","2","2","7","5","6","3","1") = "6"
    & skf21("1","2","2","7","5","6","4","1") = "6"
    & skf21("1","2","2","7","5","6","5","1") = "6"
    & skf21("1","2","2","7","5","6","6","1") = "6"
    & skf21("1","2","2","7","5","6","7","1") = "6"
    & skf21("1","2","2","7","5","7","1","1") = "6"
    & skf21("1","2","2","7","5","7","2","1") = "6"
    & skf21("1","2","2","7","5","7","3","1") = "6"
    & skf21("1","2","2","7","5","7","4","1") = "6"
    & skf21("1","2","2","7","5","7","5","1") = "6"
    & skf21("1","2","2","7","5","7","6","1") = "6"
    & skf21("1","2","2","7","5","7","7","1") = "6"
    & skf21("1","2","2","7","6","1","1","1") = "6"
    & skf21("1","2","2","7","6","1","2","1") = "6"
    & skf21("1","2","2","7","6","1","3","1") = "6"
    & skf21("1","2","2","7","6","1","4","1") = "6"
    & skf21("1","2","2","7","6","1","5","1") = "6"
    & skf21("1","2","2","7","6","1","6","1") = "6"
    & skf21("1","2","2","7","6","1","7","1") = "6"
    & skf21("1","2","2","7","6","2","1","1") = "6"
    & skf21("1","2","2","7","6","2","2","1") = "6"
    & skf21("1","2","2","7","6","2","3","1") = "6"
    & skf21("1","2","2","7","6","2","4","1") = "6"
    & skf21("1","2","2","7","6","2","5","1") = "6"
    & skf21("1","2","2","7","6","2","6","1") = "6"
    & skf21("1","2","2","7","6","2","7","1") = "6"
    & skf21("1","2","2","7","6","3","1","1") = "6"
    & skf21("1","2","2","7","6","3","2","1") = "6"
    & skf21("1","2","2","7","6","3","3","1") = "6"
    & skf21("1","2","2","7","6","3","4","1") = "6"
    & skf21("1","2","2","7","6","3","5","1") = "6"
    & skf21("1","2","2","7","6","3","6","1") = "6"
    & skf21("1","2","2","7","6","3","7","1") = "6"
    & skf21("1","2","2","7","6","4","1","1") = "6"
    & skf21("1","2","2","7","6","4","2","1") = "6"
    & skf21("1","2","2","7","6","4","3","1") = "6"
    & skf21("1","2","2","7","6","4","4","1") = "6"
    & skf21("1","2","2","7","6","4","5","1") = "6"
    & skf21("1","2","2","7","6","4","6","1") = "6"
    & skf21("1","2","2","7","6","4","7","1") = "6"
    & skf21("1","2","2","7","6","5","1","1") = "6"
    & skf21("1","2","2","7","6","5","2","1") = "6"
    & skf21("1","2","2","7","6","5","3","1") = "6"
    & skf21("1","2","2","7","6","5","4","1") = "6"
    & skf21("1","2","2","7","6","5","5","1") = "6"
    & skf21("1","2","2","7","6","5","6","1") = "6"
    & skf21("1","2","2","7","6","5","7","1") = "6"
    & skf21("1","2","2","7","6","6","1","1") = "6"
    & skf21("1","2","2","7","6","6","2","1") = "6"
    & skf21("1","2","2","7","6","6","3","1") = "6"
    & skf21("1","2","2","7","6","6","4","1") = "6"
    & skf21("1","2","2","7","6","6","5","1") = "6"
    & skf21("1","2","2","7","6","6","6","1") = "6"
    & skf21("1","2","2","7","6","6","7","1") = "6"
    & skf21("1","2","2","7","6","7","1","1") = "6"
    & skf21("1","2","2","7","6","7","2","1") = "6"
    & skf21("1","2","2","7","6","7","3","1") = "6"
    & skf21("1","2","2","7","6","7","4","1") = "6"
    & skf21("1","2","2","7","6","7","5","1") = "6"
    & skf21("1","2","2","7","6","7","6","1") = "6"
    & skf21("1","2","2","7","6","7","7","1") = "6"
    & skf21("1","2","2","7","7","1","1","1") = "6"
    & skf21("1","2","2","7","7","1","2","1") = "6"
    & skf21("1","2","2","7","7","1","3","1") = "6"
    & skf21("1","2","2","7","7","1","4","1") = "6"
    & skf21("1","2","2","7","7","1","5","1") = "6"
    & skf21("1","2","2","7","7","1","6","1") = "6"
    & skf21("1","2","2","7","7","1","7","1") = "6"
    & skf21("1","2","2","7","7","2","1","1") = "6"
    & skf21("1","2","2","7","7","2","2","1") = "6"
    & skf21("1","2","2","7","7","2","3","1") = "6"
    & skf21("1","2","2","7","7","2","4","1") = "6"
    & skf21("1","2","2","7","7","2","5","1") = "6"
    & skf21("1","2","2","7","7","2","6","1") = "6"
    & skf21("1","2","2","7","7","2","7","1") = "6"
    & skf21("1","2","2","7","7","3","1","1") = "6"
    & skf21("1","2","2","7","7","3","2","1") = "6"
    & skf21("1","2","2","7","7","3","3","1") = "6"
    & skf21("1","2","2","7","7","3","4","1") = "6"
    & skf21("1","2","2","7","7","3","5","1") = "6"
    & skf21("1","2","2","7","7","3","6","1") = "6"
    & skf21("1","2","2","7","7","3","7","1") = "6"
    & skf21("1","2","2","7","7","4","1","1") = "6"
    & skf21("1","2","2","7","7","4","2","1") = "6"
    & skf21("1","2","2","7","7","4","3","1") = "6"
    & skf21("1","2","2","7","7","4","4","1") = "6"
    & skf21("1","2","2","7","7","4","5","1") = "6"
    & skf21("1","2","2","7","7","4","6","1") = "6"
    & skf21("1","2","2","7","7","4","7","1") = "6"
    & skf21("1","2","2","7","7","5","1","1") = "6"
    & skf21("1","2","2","7","7","5","2","1") = "6"
    & skf21("1","2","2","7","7","5","3","1") = "6"
    & skf21("1","2","2","7","7","5","4","1") = "6"
    & skf21("1","2","2","7","7","5","5","1") = "6"
    & skf21("1","2","2","7","7","5","6","1") = "6"
    & skf21("1","2","2","7","7","5","7","1") = "6"
    & skf21("1","2","2","7","7","6","1","1") = "6"
    & skf21("1","2","2","7","7","6","2","1") = "6"
    & skf21("1","2","2","7","7","6","3","1") = "6"
    & skf21("1","2","2","7","7","6","4","1") = "6"
    & skf21("1","2","2","7","7","6","5","1") = "6"
    & skf21("1","2","2","7","7","6","6","1") = "6"
    & skf21("1","2","2","7","7","6","7","1") = "6"
    & skf21("1","2","2","7","7","7","1","1") = "6"
    & skf21("1","2","2","7","7","7","2","1") = "6"
    & skf21("1","2","2","7","7","7","3","1") = "6"
    & skf21("1","2","2","7","7","7","4","1") = "6"
    & skf21("1","2","2","7","7","7","5","1") = "6"
    & skf21("1","2","2","7","7","7","6","1") = "6"
    & skf21("1","2","2","7","7","7","7","1") = "6"
    & skf21("1","2","3","1","1","1","1","1") = "2"
    & skf21("1","2","3","1","1","1","2","1") = "2"
    & skf21("1","2","3","1","1","1","3","1") = "2"
    & skf21("1","2","3","1","1","1","4","1") = "3"
    & skf21("1","2","3","1","1","1","5","1") = "4"
    & skf21("1","2","3","1","1","1","6","1") = "5"
    & skf21("1","2","3","1","1","1","7","1") = "6"
    & skf21("1","2","3","1","1","2","1","1") = "2"
    & skf21("1","2","3","1","1","2","2","1") = "2"
    & skf21("1","2","3","1","1","2","3","1") = "2"
    & skf21("1","2","3","1","1","2","4","1") = "3"
    & skf21("1","2","3","1","1","2","5","1") = "4"
    & skf21("1","2","3","1","1","2","6","1") = "5"
    & skf21("1","2","3","1","1","2","7","1") = "6"
    & skf21("1","2","3","1","1","3","1","1") = "2"
    & skf21("1","2","3","1","1","3","2","1") = "2"
    & skf21("1","2","3","1","1","3","3","1") = "2"
    & skf21("1","2","3","1","1","3","4","1") = "3"
    & skf21("1","2","3","1","1","3","5","1") = "4"
    & skf21("1","2","3","1","1","3","6","1") = "5"
    & skf21("1","2","3","1","1","3","7","1") = "6"
    & skf21("1","2","3","1","1","4","1","1") = "3"
    & skf21("1","2","3","1","1","4","2","1") = "3"
    & skf21("1","2","3","1","1","4","3","1") = "3"
    & skf21("1","2","3","1","1","4","4","1") = "3"
    & skf21("1","2","3","1","1","4","5","1") = "4"
    & skf21("1","2","3","1","1","4","6","1") = "5"
    & skf21("1","2","3","1","1","4","7","1") = "6"
    & skf21("1","2","3","1","1","5","1","1") = "4"
    & skf21("1","2","3","1","1","5","2","1") = "4"
    & skf21("1","2","3","1","1","5","3","1") = "4"
    & skf21("1","2","3","1","1","5","4","1") = "4"
    & skf21("1","2","3","1","1","5","5","1") = "4"
    & skf21("1","2","3","1","1","5","6","1") = "5"
    & skf21("1","2","3","1","1","5","7","1") = "6"
    & skf21("1","2","3","1","1","6","1","1") = "5"
    & skf21("1","2","3","1","1","6","2","1") = "5"
    & skf21("1","2","3","1","1","6","3","1") = "5"
    & skf21("1","2","3","1","1","6","4","1") = "5"
    & skf21("1","2","3","1","1","6","5","1") = "5"
    & skf21("1","2","3","1","1","6","6","1") = "5"
    & skf21("1","2","3","1","1","6","7","1") = "6"
    & skf21("1","2","3","1","1","7","1","1") = "6"
    & skf21("1","2","3","1","1","7","2","1") = "6"
    & skf21("1","2","3","1","1","7","3","1") = "6"
    & skf21("1","2","3","1","1","7","4","1") = "6"
    & skf21("1","2","3","1","1","7","5","1") = "6"
    & skf21("1","2","3","1","1","7","6","1") = "6"
    & skf21("1","2","3","1","1","7","7","1") = "6"
    & skf21("1","2","3","1","2","1","1","1") = "2"
    & skf21("1","2","3","1","2","1","2","1") = "2"
    & skf21("1","2","3","1","2","1","3","1") = "2"
    & skf21("1","2","3","1","2","1","4","1") = "3"
    & skf21("1","2","3","1","2","1","5","1") = "4"
    & skf21("1","2","3","1","2","1","6","1") = "5"
    & skf21("1","2","3","1","2","1","7","1") = "6"
    & skf21("1","2","3","1","2","2","1","1") = "2"
    & skf21("1","2","3","1","2","2","2","1") = "2"
    & skf21("1","2","3","1","2","2","3","1") = "2"
    & skf21("1","2","3","1","2","2","4","1") = "3"
    & skf21("1","2","3","1","2","2","5","1") = "4"
    & skf21("1","2","3","1","2","2","6","1") = "5"
    & skf21("1","2","3","1","2","2","7","1") = "6"
    & skf21("1","2","3","1","2","3","1","1") = "2"
    & skf21("1","2","3","1","2","3","2","1") = "2"
    & skf21("1","2","3","1","2","3","3","1") = "2"
    & skf21("1","2","3","1","2","3","4","1") = "3"
    & skf21("1","2","3","1","2","3","5","1") = "4"
    & skf21("1","2","3","1","2","3","6","1") = "5"
    & skf21("1","2","3","1","2","3","7","1") = "6"
    & skf21("1","2","3","1","2","4","1","1") = "3"
    & skf21("1","2","3","1","2","4","2","1") = "3"
    & skf21("1","2","3","1","2","4","3","1") = "3"
    & skf21("1","2","3","1","2","4","4","1") = "3"
    & skf21("1","2","3","1","2","4","5","1") = "4"
    & skf21("1","2","3","1","2","4","6","1") = "5"
    & skf21("1","2","3","1","2","4","7","1") = "6"
    & skf21("1","2","3","1","2","5","1","1") = "4"
    & skf21("1","2","3","1","2","5","2","1") = "4"
    & skf21("1","2","3","1","2","5","3","1") = "4"
    & skf21("1","2","3","1","2","5","4","1") = "4"
    & skf21("1","2","3","1","2","5","5","1") = "4"
    & skf21("1","2","3","1","2","5","6","1") = "5"
    & skf21("1","2","3","1","2","5","7","1") = "6"
    & skf21("1","2","3","1","2","6","1","1") = "5"
    & skf21("1","2","3","1","2","6","2","1") = "5"
    & skf21("1","2","3","1","2","6","3","1") = "5"
    & skf21("1","2","3","1","2","6","4","1") = "5"
    & skf21("1","2","3","1","2","6","5","1") = "5"
    & skf21("1","2","3","1","2","6","6","1") = "5"
    & skf21("1","2","3","1","2","6","7","1") = "6"
    & skf21("1","2","3","1","2","7","1","1") = "6"
    & skf21("1","2","3","1","2","7","2","1") = "6"
    & skf21("1","2","3","1","2","7","3","1") = "6"
    & skf21("1","2","3","1","2","7","4","1") = "6"
    & skf21("1","2","3","1","2","7","5","1") = "6"
    & skf21("1","2","3","1","2","7","6","1") = "6"
    & skf21("1","2","3","1","2","7","7","1") = "6"
    & skf21("1","2","3","1","3","1","1","1") = "2"
    & skf21("1","2","3","1","3","1","2","1") = "2"
    & skf21("1","2","3","1","3","1","3","1") = "2"
    & skf21("1","2","3","1","3","1","4","1") = "3"
    & skf21("1","2","3","1","3","1","5","1") = "4"
    & skf21("1","2","3","1","3","1","6","1") = "5"
    & skf21("1","2","3","1","3","1","7","1") = "6"
    & skf21("1","2","3","1","3","2","1","1") = "2"
    & skf21("1","2","3","1","3","2","2","1") = "2"
    & skf21("1","2","3","1","3","2","3","1") = "2"
    & skf21("1","2","3","1","3","2","4","1") = "3"
    & skf21("1","2","3","1","3","2","5","1") = "4"
    & skf21("1","2","3","1","3","2","6","1") = "5"
    & skf21("1","2","3","1","3","2","7","1") = "6"
    & skf21("1","2","3","1","3","3","1","1") = "2"
    & skf21("1","2","3","1","3","3","2","1") = "2"
    & skf21("1","2","3","1","3","3","3","1") = "2"
    & skf21("1","2","3","1","3","3","4","1") = "3"
    & skf21("1","2","3","1","3","3","5","1") = "4"
    & skf21("1","2","3","1","3","3","6","1") = "5"
    & skf21("1","2","3","1","3","3","7","1") = "6"
    & skf21("1","2","3","1","3","4","1","1") = "3"
    & skf21("1","2","3","1","3","4","2","1") = "3"
    & skf21("1","2","3","1","3","4","3","1") = "3"
    & skf21("1","2","3","1","3","4","4","1") = "3"
    & skf21("1","2","3","1","3","4","5","1") = "4"
    & skf21("1","2","3","1","3","4","6","1") = "5"
    & skf21("1","2","3","1","3","4","7","1") = "6"
    & skf21("1","2","3","1","3","5","1","1") = "4"
    & skf21("1","2","3","1","3","5","2","1") = "4"
    & skf21("1","2","3","1","3","5","3","1") = "4"
    & skf21("1","2","3","1","3","5","4","1") = "4"
    & skf21("1","2","3","1","3","5","5","1") = "4"
    & skf21("1","2","3","1","3","5","6","1") = "5"
    & skf21("1","2","3","1","3","5","7","1") = "6"
    & skf21("1","2","3","1","3","6","1","1") = "5"
    & skf21("1","2","3","1","3","6","2","1") = "5"
    & skf21("1","2","3","1","3","6","3","1") = "5"
    & skf21("1","2","3","1","3","6","4","1") = "5"
    & skf21("1","2","3","1","3","6","5","1") = "5"
    & skf21("1","2","3","1","3","6","6","1") = "5"
    & skf21("1","2","3","1","3","6","7","1") = "6"
    & skf21("1","2","3","1","3","7","1","1") = "6"
    & skf21("1","2","3","1","3","7","2","1") = "6"
    & skf21("1","2","3","1","3","7","3","1") = "6"
    & skf21("1","2","3","1","3","7","4","1") = "6"
    & skf21("1","2","3","1","3","7","5","1") = "6"
    & skf21("1","2","3","1","3","7","6","1") = "6"
    & skf21("1","2","3","1","3","7","7","1") = "6"
    & skf21("1","2","3","1","4","1","1","1") = "3"
    & skf21("1","2","3","1","4","1","2","1") = "3"
    & skf21("1","2","3","1","4","1","3","1") = "3"
    & skf21("1","2","3","1","4","1","4","1") = "3"
    & skf21("1","2","3","1","4","1","5","1") = "4"
    & skf21("1","2","3","1","4","1","6","1") = "5"
    & skf21("1","2","3","1","4","1","7","1") = "6"
    & skf21("1","2","3","1","4","2","1","1") = "3"
    & skf21("1","2","3","1","4","2","2","1") = "3"
    & skf21("1","2","3","1","4","2","3","1") = "3"
    & skf21("1","2","3","1","4","2","4","1") = "3"
    & skf21("1","2","3","1","4","2","5","1") = "4"
    & skf21("1","2","3","1","4","2","6","1") = "5"
    & skf21("1","2","3","1","4","2","7","1") = "6"
    & skf21("1","2","3","1","4","3","1","1") = "3"
    & skf21("1","2","3","1","4","3","2","1") = "3"
    & skf21("1","2","3","1","4","3","3","1") = "3"
    & skf21("1","2","3","1","4","3","4","1") = "3"
    & skf21("1","2","3","1","4","3","5","1") = "4"
    & skf21("1","2","3","1","4","3","6","1") = "5"
    & skf21("1","2","3","1","4","3","7","1") = "6"
    & skf21("1","2","3","1","4","4","1","1") = "3"
    & skf21("1","2","3","1","4","4","2","1") = "3"
    & skf21("1","2","3","1","4","4","3","1") = "3"
    & skf21("1","2","3","1","4","4","4","1") = "3"
    & skf21("1","2","3","1","4","4","5","1") = "4"
    & skf21("1","2","3","1","4","4","6","1") = "5"
    & skf21("1","2","3","1","4","4","7","1") = "6"
    & skf21("1","2","3","1","4","5","1","1") = "4"
    & skf21("1","2","3","1","4","5","2","1") = "4"
    & skf21("1","2","3","1","4","5","3","1") = "4"
    & skf21("1","2","3","1","4","5","4","1") = "4"
    & skf21("1","2","3","1","4","5","5","1") = "4"
    & skf21("1","2","3","1","4","5","6","1") = "5"
    & skf21("1","2","3","1","4","5","7","1") = "6"
    & skf21("1","2","3","1","4","6","1","1") = "5"
    & skf21("1","2","3","1","4","6","2","1") = "5"
    & skf21("1","2","3","1","4","6","3","1") = "5"
    & skf21("1","2","3","1","4","6","4","1") = "5"
    & skf21("1","2","3","1","4","6","5","1") = "5"
    & skf21("1","2","3","1","4","6","6","1") = "5"
    & skf21("1","2","3","1","4","6","7","1") = "6"
    & skf21("1","2","3","1","4","7","1","1") = "6"
    & skf21("1","2","3","1","4","7","2","1") = "6"
    & skf21("1","2","3","1","4","7","3","1") = "6"
    & skf21("1","2","3","1","4","7","4","1") = "6"
    & skf21("1","2","3","1","4","7","5","1") = "6"
    & skf21("1","2","3","1","4","7","6","1") = "6"
    & skf21("1","2","3","1","4","7","7","1") = "6"
    & skf21("1","2","3","1","5","1","1","1") = "4"
    & skf21("1","2","3","1","5","1","2","1") = "4"
    & skf21("1","2","3","1","5","1","3","1") = "4"
    & skf21("1","2","3","1","5","1","4","1") = "4"
    & skf21("1","2","3","1","5","1","5","1") = "4"
    & skf21("1","2","3","1","5","1","6","1") = "5"
    & skf21("1","2","3","1","5","1","7","1") = "6"
    & skf21("1","2","3","1","5","2","1","1") = "4"
    & skf21("1","2","3","1","5","2","2","1") = "4"
    & skf21("1","2","3","1","5","2","3","1") = "4"
    & skf21("1","2","3","1","5","2","4","1") = "4"
    & skf21("1","2","3","1","5","2","5","1") = "4"
    & skf21("1","2","3","1","5","2","6","1") = "5"
    & skf21("1","2","3","1","5","2","7","1") = "6"
    & skf21("1","2","3","1","5","3","1","1") = "4"
    & skf21("1","2","3","1","5","3","2","1") = "4"
    & skf21("1","2","3","1","5","3","3","1") = "4"
    & skf21("1","2","3","1","5","3","4","1") = "4"
    & skf21("1","2","3","1","5","3","5","1") = "4"
    & skf21("1","2","3","1","5","3","6","1") = "5"
    & skf21("1","2","3","1","5","3","7","1") = "6"
    & skf21("1","2","3","1","5","4","1","1") = "4"
    & skf21("1","2","3","1","5","4","2","1") = "4"
    & skf21("1","2","3","1","5","4","3","1") = "4"
    & skf21("1","2","3","1","5","4","4","1") = "4"
    & skf21("1","2","3","1","5","4","5","1") = "4"
    & skf21("1","2","3","1","5","4","6","1") = "5"
    & skf21("1","2","3","1","5","4","7","1") = "6"
    & skf21("1","2","3","1","5","5","1","1") = "4"
    & skf21("1","2","3","1","5","5","2","1") = "4"
    & skf21("1","2","3","1","5","5","3","1") = "4"
    & skf21("1","2","3","1","5","5","4","1") = "4"
    & skf21("1","2","3","1","5","5","5","1") = "4"
    & skf21("1","2","3","1","5","5","6","1") = "5"
    & skf21("1","2","3","1","5","5","7","1") = "6"
    & skf21("1","2","3","1","5","6","1","1") = "5"
    & skf21("1","2","3","1","5","6","2","1") = "5"
    & skf21("1","2","3","1","5","6","3","1") = "5"
    & skf21("1","2","3","1","5","6","4","1") = "5"
    & skf21("1","2","3","1","5","6","5","1") = "5"
    & skf21("1","2","3","1","5","6","6","1") = "5"
    & skf21("1","2","3","1","5","6","7","1") = "6"
    & skf21("1","2","3","1","5","7","1","1") = "6"
    & skf21("1","2","3","1","5","7","2","1") = "6"
    & skf21("1","2","3","1","5","7","3","1") = "6"
    & skf21("1","2","3","1","5","7","4","1") = "6"
    & skf21("1","2","3","1","5","7","5","1") = "6"
    & skf21("1","2","3","1","5","7","6","1") = "6"
    & skf21("1","2","3","1","5","7","7","1") = "6"
    & skf21("1","2","3","1","6","1","1","1") = "5"
    & skf21("1","2","3","1","6","1","2","1") = "5"
    & skf21("1","2","3","1","6","1","3","1") = "5"
    & skf21("1","2","3","1","6","1","4","1") = "5"
    & skf21("1","2","3","1","6","1","5","1") = "5"
    & skf21("1","2","3","1","6","1","6","1") = "5"
    & skf21("1","2","3","1","6","1","7","1") = "6"
    & skf21("1","2","3","1","6","2","1","1") = "5"
    & skf21("1","2","3","1","6","2","2","1") = "5"
    & skf21("1","2","3","1","6","2","3","1") = "5"
    & skf21("1","2","3","1","6","2","4","1") = "5"
    & skf21("1","2","3","1","6","2","5","1") = "5"
    & skf21("1","2","3","1","6","2","6","1") = "5"
    & skf21("1","2","3","1","6","2","7","1") = "6"
    & skf21("1","2","3","1","6","3","1","1") = "5"
    & skf21("1","2","3","1","6","3","2","1") = "5"
    & skf21("1","2","3","1","6","3","3","1") = "5"
    & skf21("1","2","3","1","6","3","4","1") = "5"
    & skf21("1","2","3","1","6","3","5","1") = "5"
    & skf21("1","2","3","1","6","3","6","1") = "5"
    & skf21("1","2","3","1","6","3","7","1") = "6"
    & skf21("1","2","3","1","6","4","1","1") = "5"
    & skf21("1","2","3","1","6","4","2","1") = "5"
    & skf21("1","2","3","1","6","4","3","1") = "5"
    & skf21("1","2","3","1","6","4","4","1") = "5"
    & skf21("1","2","3","1","6","4","5","1") = "5"
    & skf21("1","2","3","1","6","4","6","1") = "5"
    & skf21("1","2","3","1","6","4","7","1") = "6"
    & skf21("1","2","3","1","6","5","1","1") = "5"
    & skf21("1","2","3","1","6","5","2","1") = "5"
    & skf21("1","2","3","1","6","5","3","1") = "5"
    & skf21("1","2","3","1","6","5","4","1") = "5"
    & skf21("1","2","3","1","6","5","5","1") = "5"
    & skf21("1","2","3","1","6","5","6","1") = "5"
    & skf21("1","2","3","1","6","5","7","1") = "6"
    & skf21("1","2","3","1","6","6","1","1") = "5"
    & skf21("1","2","3","1","6","6","2","1") = "5"
    & skf21("1","2","3","1","6","6","3","1") = "5"
    & skf21("1","2","3","1","6","6","4","1") = "5"
    & skf21("1","2","3","1","6","6","5","1") = "5"
    & skf21("1","2","3","1","6","6","6","1") = "5"
    & skf21("1","2","3","1","6","6","7","1") = "6"
    & skf21("1","2","3","1","6","7","1","1") = "6"
    & skf21("1","2","3","1","6","7","2","1") = "6"
    & skf21("1","2","3","1","6","7","3","1") = "6"
    & skf21("1","2","3","1","6","7","4","1") = "6"
    & skf21("1","2","3","1","6","7","5","1") = "6"
    & skf21("1","2","3","1","6","7","6","1") = "6"
    & skf21("1","2","3","1","6","7","7","1") = "6"
    & skf21("1","2","3","1","7","1","1","1") = "6"
    & skf21("1","2","3","1","7","1","2","1") = "6"
    & skf21("1","2","3","1","7","1","3","1") = "6"
    & skf21("1","2","3","1","7","1","4","1") = "6"
    & skf21("1","2","3","1","7","1","5","1") = "6"
    & skf21("1","2","3","1","7","1","6","1") = "6"
    & skf21("1","2","3","1","7","1","7","1") = "6"
    & skf21("1","2","3","1","7","2","1","1") = "6"
    & skf21("1","2","3","1","7","2","2","1") = "6"
    & skf21("1","2","3","1","7","2","3","1") = "6"
    & skf21("1","2","3","1","7","2","4","1") = "6"
    & skf21("1","2","3","1","7","2","5","1") = "6"
    & skf21("1","2","3","1","7","2","6","1") = "6"
    & skf21("1","2","3","1","7","2","7","1") = "6"
    & skf21("1","2","3","1","7","3","1","1") = "6"
    & skf21("1","2","3","1","7","3","2","1") = "6"
    & skf21("1","2","3","1","7","3","3","1") = "6"
    & skf21("1","2","3","1","7","3","4","1") = "6"
    & skf21("1","2","3","1","7","3","5","1") = "6"
    & skf21("1","2","3","1","7","3","6","1") = "6"
    & skf21("1","2","3","1","7","3","7","1") = "6"
    & skf21("1","2","3","1","7","4","1","1") = "6"
    & skf21("1","2","3","1","7","4","2","1") = "6"
    & skf21("1","2","3","1","7","4","3","1") = "6"
    & skf21("1","2","3","1","7","4","4","1") = "6"
    & skf21("1","2","3","1","7","4","5","1") = "6"
    & skf21("1","2","3","1","7","4","6","1") = "6"
    & skf21("1","2","3","1","7","4","7","1") = "6"
    & skf21("1","2","3","1","7","5","1","1") = "6"
    & skf21("1","2","3","1","7","5","2","1") = "6"
    & skf21("1","2","3","1","7","5","3","1") = "6"
    & skf21("1","2","3","1","7","5","4","1") = "6"
    & skf21("1","2","3","1","7","5","5","1") = "6"
    & skf21("1","2","3","1","7","5","6","1") = "6"
    & skf21("1","2","3","1","7","5","7","1") = "6"
    & skf21("1","2","3","1","7","6","1","1") = "6"
    & skf21("1","2","3","1","7","6","2","1") = "6"
    & skf21("1","2","3","1","7","6","3","1") = "6"
    & skf21("1","2","3","1","7","6","4","1") = "6"
    & skf21("1","2","3","1","7","6","5","1") = "6"
    & skf21("1","2","3","1","7","6","6","1") = "6"
    & skf21("1","2","3","1","7","6","7","1") = "6"
    & skf21("1","2","3","1","7","7","1","1") = "6"
    & skf21("1","2","3","1","7","7","2","1") = "6"
    & skf21("1","2","3","1","7","7","3","1") = "6"
    & skf21("1","2","3","1","7","7","4","1") = "6"
    & skf21("1","2","3","1","7","7","5","1") = "6"
    & skf21("1","2","3","1","7","7","6","1") = "6"
    & skf21("1","2","3","1","7","7","7","1") = "6"
    & skf21("1","2","3","2","1","1","1","1") = "2"
    & skf21("1","2","3","2","1","1","2","1") = "2"
    & skf21("1","2","3","2","1","1","3","1") = "2"
    & skf21("1","2","3","2","1","1","4","1") = "3"
    & skf21("1","2","3","2","1","1","5","1") = "4"
    & skf21("1","2","3","2","1","1","6","1") = "5"
    & skf21("1","2","3","2","1","1","7","1") = "6"
    & skf21("1","2","3","2","1","2","1","1") = "2"
    & skf21("1","2","3","2","1","2","2","1") = "2"
    & skf21("1","2","3","2","1","2","3","1") = "2"
    & skf21("1","2","3","2","1","2","4","1") = "3"
    & skf21("1","2","3","2","1","2","5","1") = "4"
    & skf21("1","2","3","2","1","2","6","1") = "5"
    & skf21("1","2","3","2","1","2","7","1") = "6"
    & skf21("1","2","3","2","1","3","1","1") = "2"
    & skf21("1","2","3","2","1","3","2","1") = "2"
    & skf21("1","2","3","2","1","3","3","1") = "2"
    & skf21("1","2","3","2","1","3","4","1") = "3"
    & skf21("1","2","3","2","1","3","5","1") = "4"
    & skf21("1","2","3","2","1","3","6","1") = "5"
    & skf21("1","2","3","2","1","3","7","1") = "6"
    & skf21("1","2","3","2","1","4","1","1") = "3"
    & skf21("1","2","3","2","1","4","2","1") = "3"
    & skf21("1","2","3","2","1","4","3","1") = "3"
    & skf21("1","2","3","2","1","4","4","1") = "3"
    & skf21("1","2","3","2","1","4","5","1") = "4"
    & skf21("1","2","3","2","1","4","6","1") = "5"
    & skf21("1","2","3","2","1","4","7","1") = "6"
    & skf21("1","2","3","2","1","5","1","1") = "4"
    & skf21("1","2","3","2","1","5","2","1") = "4"
    & skf21("1","2","3","2","1","5","3","1") = "4"
    & skf21("1","2","3","2","1","5","4","1") = "4"
    & skf21("1","2","3","2","1","5","5","1") = "4"
    & skf21("1","2","3","2","1","5","6","1") = "5"
    & skf21("1","2","3","2","1","5","7","1") = "6"
    & skf21("1","2","3","2","1","6","1","1") = "5"
    & skf21("1","2","3","2","1","6","2","1") = "5"
    & skf21("1","2","3","2","1","6","3","1") = "5"
    & skf21("1","2","3","2","1","6","4","1") = "5"
    & skf21("1","2","3","2","1","6","5","1") = "5"
    & skf21("1","2","3","2","1","6","6","1") = "5"
    & skf21("1","2","3","2","1","6","7","1") = "6"
    & skf21("1","2","3","2","1","7","1","1") = "6"
    & skf21("1","2","3","2","1","7","2","1") = "6"
    & skf21("1","2","3","2","1","7","3","1") = "6"
    & skf21("1","2","3","2","1","7","4","1") = "6"
    & skf21("1","2","3","2","1","7","5","1") = "6"
    & skf21("1","2","3","2","1","7","6","1") = "6"
    & skf21("1","2","3","2","1","7","7","1") = "6"
    & skf21("1","2","3","2","2","1","1","1") = "2"
    & skf21("1","2","3","2","2","1","2","1") = "2"
    & skf21("1","2","3","2","2","1","3","1") = "2"
    & skf21("1","2","3","2","2","1","4","1") = "3"
    & skf21("1","2","3","2","2","1","5","1") = "4"
    & skf21("1","2","3","2","2","1","6","1") = "5"
    & skf21("1","2","3","2","2","1","7","1") = "6"
    & skf21("1","2","3","2","2","2","1","1") = "2"
    & skf21("1","2","3","2","2","2","2","1") = "2"
    & skf21("1","2","3","2","2","2","3","1") = "2"
    & skf21("1","2","3","2","2","2","4","1") = "3"
    & skf21("1","2","3","2","2","2","5","1") = "4"
    & skf21("1","2","3","2","2","2","6","1") = "5"
    & skf21("1","2","3","2","2","2","7","1") = "6"
    & skf21("1","2","3","2","2","3","1","1") = "2"
    & skf21("1","2","3","2","2","3","2","1") = "2"
    & skf21("1","2","3","2","2","3","3","1") = "2"
    & skf21("1","2","3","2","2","3","4","1") = "3"
    & skf21("1","2","3","2","2","3","5","1") = "4"
    & skf21("1","2","3","2","2","3","6","1") = "5"
    & skf21("1","2","3","2","2","3","7","1") = "6"
    & skf21("1","2","3","2","2","4","1","1") = "3"
    & skf21("1","2","3","2","2","4","2","1") = "3"
    & skf21("1","2","3","2","2","4","3","1") = "3"
    & skf21("1","2","3","2","2","4","4","1") = "3"
    & skf21("1","2","3","2","2","4","5","1") = "4"
    & skf21("1","2","3","2","2","4","6","1") = "5"
    & skf21("1","2","3","2","2","4","7","1") = "6"
    & skf21("1","2","3","2","2","5","1","1") = "4"
    & skf21("1","2","3","2","2","5","2","1") = "4"
    & skf21("1","2","3","2","2","5","3","1") = "4"
    & skf21("1","2","3","2","2","5","4","1") = "4"
    & skf21("1","2","3","2","2","5","5","1") = "4"
    & skf21("1","2","3","2","2","5","6","1") = "5"
    & skf21("1","2","3","2","2","5","7","1") = "6"
    & skf21("1","2","3","2","2","6","1","1") = "5"
    & skf21("1","2","3","2","2","6","2","1") = "5"
    & skf21("1","2","3","2","2","6","3","1") = "5"
    & skf21("1","2","3","2","2","6","4","1") = "5"
    & skf21("1","2","3","2","2","6","5","1") = "5"
    & skf21("1","2","3","2","2","6","6","1") = "5"
    & skf21("1","2","3","2","2","6","7","1") = "6"
    & skf21("1","2","3","2","2","7","1","1") = "6"
    & skf21("1","2","3","2","2","7","2","1") = "6"
    & skf21("1","2","3","2","2","7","3","1") = "6"
    & skf21("1","2","3","2","2","7","4","1") = "6"
    & skf21("1","2","3","2","2","7","5","1") = "6"
    & skf21("1","2","3","2","2","7","6","1") = "6"
    & skf21("1","2","3","2","2","7","7","1") = "6"
    & skf21("1","2","3","2","3","1","1","1") = "2"
    & skf21("1","2","3","2","3","1","2","1") = "2"
    & skf21("1","2","3","2","3","1","3","1") = "2"
    & skf21("1","2","3","2","3","1","4","1") = "3"
    & skf21("1","2","3","2","3","1","5","1") = "4"
    & skf21("1","2","3","2","3","1","6","1") = "5"
    & skf21("1","2","3","2","3","1","7","1") = "6"
    & skf21("1","2","3","2","3","2","1","1") = "2"
    & skf21("1","2","3","2","3","2","2","1") = "2"
    & skf21("1","2","3","2","3","2","3","1") = "2"
    & skf21("1","2","3","2","3","2","4","1") = "3"
    & skf21("1","2","3","2","3","2","5","1") = "4"
    & skf21("1","2","3","2","3","2","6","1") = "5"
    & skf21("1","2","3","2","3","2","7","1") = "6"
    & skf21("1","2","3","2","3","3","1","1") = "2"
    & skf21("1","2","3","2","3","3","2","1") = "2"
    & skf21("1","2","3","2","3","3","3","1") = "2"
    & skf21("1","2","3","2","3","3","4","1") = "3"
    & skf21("1","2","3","2","3","3","5","1") = "4"
    & skf21("1","2","3","2","3","3","6","1") = "5"
    & skf21("1","2","3","2","3","3","7","1") = "6"
    & skf21("1","2","3","2","3","4","1","1") = "3"
    & skf21("1","2","3","2","3","4","2","1") = "3"
    & skf21("1","2","3","2","3","4","3","1") = "3"
    & skf21("1","2","3","2","3","4","4","1") = "3"
    & skf21("1","2","3","2","3","4","5","1") = "4"
    & skf21("1","2","3","2","3","4","6","1") = "5"
    & skf21("1","2","3","2","3","4","7","1") = "6"
    & skf21("1","2","3","2","3","5","1","1") = "4"
    & skf21("1","2","3","2","3","5","2","1") = "4"
    & skf21("1","2","3","2","3","5","3","1") = "4"
    & skf21("1","2","3","2","3","5","4","1") = "4"
    & skf21("1","2","3","2","3","5","5","1") = "4"
    & skf21("1","2","3","2","3","5","6","1") = "5"
    & skf21("1","2","3","2","3","5","7","1") = "6"
    & skf21("1","2","3","2","3","6","1","1") = "5"
    & skf21("1","2","3","2","3","6","2","1") = "5"
    & skf21("1","2","3","2","3","6","3","1") = "5"
    & skf21("1","2","3","2","3","6","4","1") = "5"
    & skf21("1","2","3","2","3","6","5","1") = "5"
    & skf21("1","2","3","2","3","6","6","1") = "5"
    & skf21("1","2","3","2","3","6","7","1") = "6"
    & skf21("1","2","3","2","3","7","1","1") = "6"
    & skf21("1","2","3","2","3","7","2","1") = "6"
    & skf21("1","2","3","2","3","7","3","1") = "6"
    & skf21("1","2","3","2","3","7","4","1") = "6"
    & skf21("1","2","3","2","3","7","5","1") = "6"
    & skf21("1","2","3","2","3","7","6","1") = "6"
    & skf21("1","2","3","2","3","7","7","1") = "6"
    & skf21("1","2","3","2","4","1","1","1") = "3"
    & skf21("1","2","3","2","4","1","2","1") = "3"
    & skf21("1","2","3","2","4","1","3","1") = "3"
    & skf21("1","2","3","2","4","1","4","1") = "3"
    & skf21("1","2","3","2","4","1","5","1") = "4"
    & skf21("1","2","3","2","4","1","6","1") = "5"
    & skf21("1","2","3","2","4","1","7","1") = "6"
    & skf21("1","2","3","2","4","2","1","1") = "3"
    & skf21("1","2","3","2","4","2","2","1") = "3"
    & skf21("1","2","3","2","4","2","3","1") = "3"
    & skf21("1","2","3","2","4","2","4","1") = "3"
    & skf21("1","2","3","2","4","2","5","1") = "4"
    & skf21("1","2","3","2","4","2","6","1") = "5"
    & skf21("1","2","3","2","4","2","7","1") = "6"
    & skf21("1","2","3","2","4","3","1","1") = "3"
    & skf21("1","2","3","2","4","3","2","1") = "3"
    & skf21("1","2","3","2","4","3","3","1") = "3"
    & skf21("1","2","3","2","4","3","4","1") = "3"
    & skf21("1","2","3","2","4","3","5","1") = "4"
    & skf21("1","2","3","2","4","3","6","1") = "5"
    & skf21("1","2","3","2","4","3","7","1") = "6"
    & skf21("1","2","3","2","4","4","1","1") = "3"
    & skf21("1","2","3","2","4","4","2","1") = "3"
    & skf21("1","2","3","2","4","4","3","1") = "3"
    & skf21("1","2","3","2","4","4","4","1") = "3"
    & skf21("1","2","3","2","4","4","5","1") = "4"
    & skf21("1","2","3","2","4","4","6","1") = "5"
    & skf21("1","2","3","2","4","4","7","1") = "6"
    & skf21("1","2","3","2","4","5","1","1") = "4"
    & skf21("1","2","3","2","4","5","2","1") = "4"
    & skf21("1","2","3","2","4","5","3","1") = "4"
    & skf21("1","2","3","2","4","5","4","1") = "4"
    & skf21("1","2","3","2","4","5","5","1") = "4"
    & skf21("1","2","3","2","4","5","6","1") = "5"
    & skf21("1","2","3","2","4","5","7","1") = "6"
    & skf21("1","2","3","2","4","6","1","1") = "5"
    & skf21("1","2","3","2","4","6","2","1") = "5"
    & skf21("1","2","3","2","4","6","3","1") = "5"
    & skf21("1","2","3","2","4","6","4","1") = "5"
    & skf21("1","2","3","2","4","6","5","1") = "5"
    & skf21("1","2","3","2","4","6","6","1") = "5"
    & skf21("1","2","3","2","4","6","7","1") = "6"
    & skf21("1","2","3","2","4","7","1","1") = "6"
    & skf21("1","2","3","2","4","7","2","1") = "6"
    & skf21("1","2","3","2","4","7","3","1") = "6"
    & skf21("1","2","3","2","4","7","4","1") = "6"
    & skf21("1","2","3","2","4","7","5","1") = "6"
    & skf21("1","2","3","2","4","7","6","1") = "6"
    & skf21("1","2","3","2","4","7","7","1") = "6"
    & skf21("1","2","3","2","5","1","1","1") = "4"
    & skf21("1","2","3","2","5","1","2","1") = "4"
    & skf21("1","2","3","2","5","1","3","1") = "4"
    & skf21("1","2","3","2","5","1","4","1") = "4"
    & skf21("1","2","3","2","5","1","5","1") = "4"
    & skf21("1","2","3","2","5","1","6","1") = "5"
    & skf21("1","2","3","2","5","1","7","1") = "6"
    & skf21("1","2","3","2","5","2","1","1") = "4"
    & skf21("1","2","3","2","5","2","2","1") = "4"
    & skf21("1","2","3","2","5","2","3","1") = "4"
    & skf21("1","2","3","2","5","2","4","1") = "4"
    & skf21("1","2","3","2","5","2","5","1") = "4"
    & skf21("1","2","3","2","5","2","6","1") = "5"
    & skf21("1","2","3","2","5","2","7","1") = "6"
    & skf21("1","2","3","2","5","3","1","1") = "4"
    & skf21("1","2","3","2","5","3","2","1") = "4"
    & skf21("1","2","3","2","5","3","3","1") = "4"
    & skf21("1","2","3","2","5","3","4","1") = "4"
    & skf21("1","2","3","2","5","3","5","1") = "4"
    & skf21("1","2","3","2","5","3","6","1") = "5"
    & skf21("1","2","3","2","5","3","7","1") = "6"
    & skf21("1","2","3","2","5","4","1","1") = "4"
    & skf21("1","2","3","2","5","4","2","1") = "4"
    & skf21("1","2","3","2","5","4","3","1") = "4"
    & skf21("1","2","3","2","5","4","4","1") = "4"
    & skf21("1","2","3","2","5","4","5","1") = "4"
    & skf21("1","2","3","2","5","4","6","1") = "5"
    & skf21("1","2","3","2","5","4","7","1") = "6"
    & skf21("1","2","3","2","5","5","1","1") = "4"
    & skf21("1","2","3","2","5","5","2","1") = "4"
    & skf21("1","2","3","2","5","5","3","1") = "4"
    & skf21("1","2","3","2","5","5","4","1") = "4"
    & skf21("1","2","3","2","5","5","5","1") = "4"
    & skf21("1","2","3","2","5","5","6","1") = "5"
    & skf21("1","2","3","2","5","5","7","1") = "6"
    & skf21("1","2","3","2","5","6","1","1") = "5"
    & skf21("1","2","3","2","5","6","2","1") = "5"
    & skf21("1","2","3","2","5","6","3","1") = "5"
    & skf21("1","2","3","2","5","6","4","1") = "5"
    & skf21("1","2","3","2","5","6","5","1") = "5"
    & skf21("1","2","3","2","5","6","6","1") = "5"
    & skf21("1","2","3","2","5","6","7","1") = "6"
    & skf21("1","2","3","2","5","7","1","1") = "6"
    & skf21("1","2","3","2","5","7","2","1") = "6"
    & skf21("1","2","3","2","5","7","3","1") = "6"
    & skf21("1","2","3","2","5","7","4","1") = "6"
    & skf21("1","2","3","2","5","7","5","1") = "6"
    & skf21("1","2","3","2","5","7","6","1") = "6"
    & skf21("1","2","3","2","5","7","7","1") = "6"
    & skf21("1","2","3","2","6","1","1","1") = "5"
    & skf21("1","2","3","2","6","1","2","1") = "5"
    & skf21("1","2","3","2","6","1","3","1") = "5"
    & skf21("1","2","3","2","6","1","4","1") = "5"
    & skf21("1","2","3","2","6","1","5","1") = "5"
    & skf21("1","2","3","2","6","1","6","1") = "5"
    & skf21("1","2","3","2","6","1","7","1") = "6"
    & skf21("1","2","3","2","6","2","1","1") = "5"
    & skf21("1","2","3","2","6","2","2","1") = "5"
    & skf21("1","2","3","2","6","2","3","1") = "5"
    & skf21("1","2","3","2","6","2","4","1") = "5"
    & skf21("1","2","3","2","6","2","5","1") = "5"
    & skf21("1","2","3","2","6","2","6","1") = "5"
    & skf21("1","2","3","2","6","2","7","1") = "6"
    & skf21("1","2","3","2","6","3","1","1") = "5"
    & skf21("1","2","3","2","6","3","2","1") = "5"
    & skf21("1","2","3","2","6","3","3","1") = "5"
    & skf21("1","2","3","2","6","3","4","1") = "5"
    & skf21("1","2","3","2","6","3","5","1") = "5"
    & skf21("1","2","3","2","6","3","6","1") = "5"
    & skf21("1","2","3","2","6","3","7","1") = "6"
    & skf21("1","2","3","2","6","4","1","1") = "5"
    & skf21("1","2","3","2","6","4","2","1") = "5"
    & skf21("1","2","3","2","6","4","3","1") = "5"
    & skf21("1","2","3","2","6","4","4","1") = "5"
    & skf21("1","2","3","2","6","4","5","1") = "5"
    & skf21("1","2","3","2","6","4","6","1") = "5"
    & skf21("1","2","3","2","6","4","7","1") = "6"
    & skf21("1","2","3","2","6","5","1","1") = "5"
    & skf21("1","2","3","2","6","5","2","1") = "5"
    & skf21("1","2","3","2","6","5","3","1") = "5"
    & skf21("1","2","3","2","6","5","4","1") = "5"
    & skf21("1","2","3","2","6","5","5","1") = "5"
    & skf21("1","2","3","2","6","5","6","1") = "5"
    & skf21("1","2","3","2","6","5","7","1") = "6"
    & skf21("1","2","3","2","6","6","1","1") = "5"
    & skf21("1","2","3","2","6","6","2","1") = "5"
    & skf21("1","2","3","2","6","6","3","1") = "5"
    & skf21("1","2","3","2","6","6","4","1") = "5"
    & skf21("1","2","3","2","6","6","5","1") = "5"
    & skf21("1","2","3","2","6","6","6","1") = "5"
    & skf21("1","2","3","2","6","6","7","1") = "6"
    & skf21("1","2","3","2","6","7","1","1") = "6"
    & skf21("1","2","3","2","6","7","2","1") = "6"
    & skf21("1","2","3","2","6","7","3","1") = "6"
    & skf21("1","2","3","2","6","7","4","1") = "6"
    & skf21("1","2","3","2","6","7","5","1") = "6"
    & skf21("1","2","3","2","6","7","6","1") = "6"
    & skf21("1","2","3","2","6","7","7","1") = "6"
    & skf21("1","2","3","2","7","1","1","1") = "6"
    & skf21("1","2","3","2","7","1","2","1") = "6"
    & skf21("1","2","3","2","7","1","3","1") = "6"
    & skf21("1","2","3","2","7","1","4","1") = "6"
    & skf21("1","2","3","2","7","1","5","1") = "6"
    & skf21("1","2","3","2","7","1","6","1") = "6"
    & skf21("1","2","3","2","7","1","7","1") = "6"
    & skf21("1","2","3","2","7","2","1","1") = "6"
    & skf21("1","2","3","2","7","2","2","1") = "6"
    & skf21("1","2","3","2","7","2","3","1") = "6"
    & skf21("1","2","3","2","7","2","4","1") = "6"
    & skf21("1","2","3","2","7","2","5","1") = "6"
    & skf21("1","2","3","2","7","2","6","1") = "6"
    & skf21("1","2","3","2","7","2","7","1") = "6"
    & skf21("1","2","3","2","7","3","1","1") = "6"
    & skf21("1","2","3","2","7","3","2","1") = "6"
    & skf21("1","2","3","2","7","3","3","1") = "6"
    & skf21("1","2","3","2","7","3","4","1") = "6"
    & skf21("1","2","3","2","7","3","5","1") = "6"
    & skf21("1","2","3","2","7","3","6","1") = "6"
    & skf21("1","2","3","2","7","3","7","1") = "6"
    & skf21("1","2","3","2","7","4","1","1") = "6"
    & skf21("1","2","3","2","7","4","2","1") = "6"
    & skf21("1","2","3","2","7","4","3","1") = "6"
    & skf21("1","2","3","2","7","4","4","1") = "6"
    & skf21("1","2","3","2","7","4","5","1") = "6"
    & skf21("1","2","3","2","7","4","6","1") = "6"
    & skf21("1","2","3","2","7","4","7","1") = "6"
    & skf21("1","2","3","2","7","5","1","1") = "6"
    & skf21("1","2","3","2","7","5","2","1") = "6"
    & skf21("1","2","3","2","7","5","3","1") = "6"
    & skf21("1","2","3","2","7","5","4","1") = "6"
    & skf21("1","2","3","2","7","5","5","1") = "6"
    & skf21("1","2","3","2","7","5","6","1") = "6"
    & skf21("1","2","3","2","7","5","7","1") = "6"
    & skf21("1","2","3","2","7","6","1","1") = "6"
    & skf21("1","2","3","2","7","6","2","1") = "6"
    & skf21("1","2","3","2","7","6","3","1") = "6"
    & skf21("1","2","3","2","7","6","4","1") = "6"
    & skf21("1","2","3","2","7","6","5","1") = "6"
    & skf21("1","2","3","2","7","6","6","1") = "6"
    & skf21("1","2","3","2","7","6","7","1") = "6"
    & skf21("1","2","3","2","7","7","1","1") = "6"
    & skf21("1","2","3","2","7","7","2","1") = "6"
    & skf21("1","2","3","2","7","7","3","1") = "6"
    & skf21("1","2","3","2","7","7","4","1") = "6"
    & skf21("1","2","3","2","7","7","5","1") = "6"
    & skf21("1","2","3","2","7","7","6","1") = "6"
    & skf21("1","2","3","2","7","7","7","1") = "6"
    & skf21("1","2","3","3","1","1","1","1") = "2"
    & skf21("1","2","3","3","1","1","2","1") = "2"
    & skf21("1","2","3","3","1","1","3","1") = "2"
    & skf21("1","2","3","3","1","1","4","1") = "3"
    & skf21("1","2","3","3","1","1","5","1") = "4"
    & skf21("1","2","3","3","1","1","6","1") = "5"
    & skf21("1","2","3","3","1","1","7","1") = "6"
    & skf21("1","2","3","3","1","2","1","1") = "2"
    & skf21("1","2","3","3","1","2","2","1") = "2"
    & skf21("1","2","3","3","1","2","3","1") = "2"
    & skf21("1","2","3","3","1","2","4","1") = "3"
    & skf21("1","2","3","3","1","2","5","1") = "4"
    & skf21("1","2","3","3","1","2","6","1") = "5"
    & skf21("1","2","3","3","1","2","7","1") = "6"
    & skf21("1","2","3","3","1","3","1","1") = "2"
    & skf21("1","2","3","3","1","3","2","1") = "2"
    & skf21("1","2","3","3","1","3","3","1") = "2"
    & skf21("1","2","3","3","1","3","4","1") = "3"
    & skf21("1","2","3","3","1","3","5","1") = "4"
    & skf21("1","2","3","3","1","3","6","1") = "5"
    & skf21("1","2","3","3","1","3","7","1") = "6"
    & skf21("1","2","3","3","1","4","1","1") = "3"
    & skf21("1","2","3","3","1","4","2","1") = "3"
    & skf21("1","2","3","3","1","4","3","1") = "3"
    & skf21("1","2","3","3","1","4","4","1") = "3"
    & skf21("1","2","3","3","1","4","5","1") = "4"
    & skf21("1","2","3","3","1","4","6","1") = "5"
    & skf21("1","2","3","3","1","4","7","1") = "6"
    & skf21("1","2","3","3","1","5","1","1") = "4"
    & skf21("1","2","3","3","1","5","2","1") = "4"
    & skf21("1","2","3","3","1","5","3","1") = "4"
    & skf21("1","2","3","3","1","5","4","1") = "4"
    & skf21("1","2","3","3","1","5","5","1") = "4"
    & skf21("1","2","3","3","1","5","6","1") = "5"
    & skf21("1","2","3","3","1","5","7","1") = "6"
    & skf21("1","2","3","3","1","6","1","1") = "5"
    & skf21("1","2","3","3","1","6","2","1") = "5"
    & skf21("1","2","3","3","1","6","3","1") = "5"
    & skf21("1","2","3","3","1","6","4","1") = "5"
    & skf21("1","2","3","3","1","6","5","1") = "5"
    & skf21("1","2","3","3","1","6","6","1") = "5"
    & skf21("1","2","3","3","1","6","7","1") = "6"
    & skf21("1","2","3","3","1","7","1","1") = "6"
    & skf21("1","2","3","3","1","7","2","1") = "6"
    & skf21("1","2","3","3","1","7","3","1") = "6"
    & skf21("1","2","3","3","1","7","4","1") = "6"
    & skf21("1","2","3","3","1","7","5","1") = "6"
    & skf21("1","2","3","3","1","7","6","1") = "6"
    & skf21("1","2","3","3","1","7","7","1") = "6"
    & skf21("1","2","3","3","2","1","1","1") = "2"
    & skf21("1","2","3","3","2","1","2","1") = "2"
    & skf21("1","2","3","3","2","1","3","1") = "2"
    & skf21("1","2","3","3","2","1","4","1") = "3"
    & skf21("1","2","3","3","2","1","5","1") = "4"
    & skf21("1","2","3","3","2","1","6","1") = "5"
    & skf21("1","2","3","3","2","1","7","1") = "6"
    & skf21("1","2","3","3","2","2","1","1") = "2"
    & skf21("1","2","3","3","2","2","2","1") = "2"
    & skf21("1","2","3","3","2","2","3","1") = "2"
    & skf21("1","2","3","3","2","2","4","1") = "3"
    & skf21("1","2","3","3","2","2","5","1") = "4"
    & skf21("1","2","3","3","2","2","6","1") = "5"
    & skf21("1","2","3","3","2","2","7","1") = "6"
    & skf21("1","2","3","3","2","3","1","1") = "2"
    & skf21("1","2","3","3","2","3","2","1") = "2"
    & skf21("1","2","3","3","2","3","3","1") = "2"
    & skf21("1","2","3","3","2","3","4","1") = "3"
    & skf21("1","2","3","3","2","3","5","1") = "4"
    & skf21("1","2","3","3","2","3","6","1") = "5"
    & skf21("1","2","3","3","2","3","7","1") = "6"
    & skf21("1","2","3","3","2","4","1","1") = "3"
    & skf21("1","2","3","3","2","4","2","1") = "3"
    & skf21("1","2","3","3","2","4","3","1") = "3"
    & skf21("1","2","3","3","2","4","4","1") = "3"
    & skf21("1","2","3","3","2","4","5","1") = "4"
    & skf21("1","2","3","3","2","4","6","1") = "5"
    & skf21("1","2","3","3","2","4","7","1") = "6"
    & skf21("1","2","3","3","2","5","1","1") = "4"
    & skf21("1","2","3","3","2","5","2","1") = "4"
    & skf21("1","2","3","3","2","5","3","1") = "4"
    & skf21("1","2","3","3","2","5","4","1") = "4"
    & skf21("1","2","3","3","2","5","5","1") = "4"
    & skf21("1","2","3","3","2","5","6","1") = "5"
    & skf21("1","2","3","3","2","5","7","1") = "6"
    & skf21("1","2","3","3","2","6","1","1") = "5"
    & skf21("1","2","3","3","2","6","2","1") = "5"
    & skf21("1","2","3","3","2","6","3","1") = "5"
    & skf21("1","2","3","3","2","6","4","1") = "5"
    & skf21("1","2","3","3","2","6","5","1") = "5"
    & skf21("1","2","3","3","2","6","6","1") = "5"
    & skf21("1","2","3","3","2","6","7","1") = "6"
    & skf21("1","2","3","3","2","7","1","1") = "6"
    & skf21("1","2","3","3","2","7","2","1") = "6"
    & skf21("1","2","3","3","2","7","3","1") = "6"
    & skf21("1","2","3","3","2","7","4","1") = "6"
    & skf21("1","2","3","3","2","7","5","1") = "6"
    & skf21("1","2","3","3","2","7","6","1") = "6"
    & skf21("1","2","3","3","2","7","7","1") = "6"
    & skf21("1","2","3","3","3","1","1","1") = "2"
    & skf21("1","2","3","3","3","1","2","1") = "2"
    & skf21("1","2","3","3","3","1","3","1") = "2"
    & skf21("1","2","3","3","3","1","4","1") = "3"
    & skf21("1","2","3","3","3","1","5","1") = "4"
    & skf21("1","2","3","3","3","1","6","1") = "5"
    & skf21("1","2","3","3","3","1","7","1") = "6"
    & skf21("1","2","3","3","3","2","1","1") = "2"
    & skf21("1","2","3","3","3","2","2","1") = "2"
    & skf21("1","2","3","3","3","2","3","1") = "2"
    & skf21("1","2","3","3","3","2","4","1") = "3"
    & skf21("1","2","3","3","3","2","5","1") = "4"
    & skf21("1","2","3","3","3","2","6","1") = "5"
    & skf21("1","2","3","3","3","2","7","1") = "6"
    & skf21("1","2","3","3","3","3","1","1") = "2"
    & skf21("1","2","3","3","3","3","2","1") = "2"
    & skf21("1","2","3","3","3","3","3","1") = "2"
    & skf21("1","2","3","3","3","3","4","1") = "3"
    & skf21("1","2","3","3","3","3","5","1") = "4"
    & skf21("1","2","3","3","3","3","6","1") = "5"
    & skf21("1","2","3","3","3","3","7","1") = "6"
    & skf21("1","2","3","3","3","4","1","1") = "3"
    & skf21("1","2","3","3","3","4","2","1") = "3"
    & skf21("1","2","3","3","3","4","3","1") = "3"
    & skf21("1","2","3","3","3","4","4","1") = "3"
    & skf21("1","2","3","3","3","4","5","1") = "4"
    & skf21("1","2","3","3","3","4","6","1") = "5"
    & skf21("1","2","3","3","3","4","7","1") = "6"
    & skf21("1","2","3","3","3","5","1","1") = "4"
    & skf21("1","2","3","3","3","5","2","1") = "4"
    & skf21("1","2","3","3","3","5","3","1") = "4"
    & skf21("1","2","3","3","3","5","4","1") = "4"
    & skf21("1","2","3","3","3","5","5","1") = "4"
    & skf21("1","2","3","3","3","5","6","1") = "5"
    & skf21("1","2","3","3","3","5","7","1") = "6"
    & skf21("1","2","3","3","3","6","1","1") = "5"
    & skf21("1","2","3","3","3","6","2","1") = "5"
    & skf21("1","2","3","3","3","6","3","1") = "5"
    & skf21("1","2","3","3","3","6","4","1") = "5"
    & skf21("1","2","3","3","3","6","5","1") = "5"
    & skf21("1","2","3","3","3","6","6","1") = "5"
    & skf21("1","2","3","3","3","6","7","1") = "6"
    & skf21("1","2","3","3","3","7","1","1") = "6"
    & skf21("1","2","3","3","3","7","2","1") = "6"
    & skf21("1","2","3","3","3","7","3","1") = "6"
    & skf21("1","2","3","3","3","7","4","1") = "6"
    & skf21("1","2","3","3","3","7","5","1") = "6"
    & skf21("1","2","3","3","3","7","6","1") = "6"
    & skf21("1","2","3","3","3","7","7","1") = "6"
    & skf21("1","2","3","3","4","1","1","1") = "3"
    & skf21("1","2","3","3","4","1","2","1") = "3"
    & skf21("1","2","3","3","4","1","3","1") = "3"
    & skf21("1","2","3","3","4","1","4","1") = "3"
    & skf21("1","2","3","3","4","1","5","1") = "4"
    & skf21("1","2","3","3","4","1","6","1") = "5"
    & skf21("1","2","3","3","4","1","7","1") = "6"
    & skf21("1","2","3","3","4","2","1","1") = "3"
    & skf21("1","2","3","3","4","2","2","1") = "3"
    & skf21("1","2","3","3","4","2","3","1") = "3"
    & skf21("1","2","3","3","4","2","4","1") = "3"
    & skf21("1","2","3","3","4","2","5","1") = "4"
    & skf21("1","2","3","3","4","2","6","1") = "5"
    & skf21("1","2","3","3","4","2","7","1") = "6"
    & skf21("1","2","3","3","4","3","1","1") = "3"
    & skf21("1","2","3","3","4","3","2","1") = "3"
    & skf21("1","2","3","3","4","3","3","1") = "3"
    & skf21("1","2","3","3","4","3","4","1") = "3"
    & skf21("1","2","3","3","4","3","5","1") = "4"
    & skf21("1","2","3","3","4","3","6","1") = "5"
    & skf21("1","2","3","3","4","3","7","1") = "6"
    & skf21("1","2","3","3","4","4","1","1") = "3"
    & skf21("1","2","3","3","4","4","2","1") = "3"
    & skf21("1","2","3","3","4","4","3","1") = "3"
    & skf21("1","2","3","3","4","4","4","1") = "3"
    & skf21("1","2","3","3","4","4","5","1") = "4"
    & skf21("1","2","3","3","4","4","6","1") = "5"
    & skf21("1","2","3","3","4","4","7","1") = "6"
    & skf21("1","2","3","3","4","5","1","1") = "4"
    & skf21("1","2","3","3","4","5","2","1") = "4"
    & skf21("1","2","3","3","4","5","3","1") = "4"
    & skf21("1","2","3","3","4","5","4","1") = "4"
    & skf21("1","2","3","3","4","5","5","1") = "4"
    & skf21("1","2","3","3","4","5","6","1") = "5"
    & skf21("1","2","3","3","4","5","7","1") = "6"
    & skf21("1","2","3","3","4","6","1","1") = "5"
    & skf21("1","2","3","3","4","6","2","1") = "5"
    & skf21("1","2","3","3","4","6","3","1") = "5"
    & skf21("1","2","3","3","4","6","4","1") = "5"
    & skf21("1","2","3","3","4","6","5","1") = "5"
    & skf21("1","2","3","3","4","6","6","1") = "5"
    & skf21("1","2","3","3","4","6","7","1") = "6"
    & skf21("1","2","3","3","4","7","1","1") = "6"
    & skf21("1","2","3","3","4","7","2","1") = "6"
    & skf21("1","2","3","3","4","7","3","1") = "6"
    & skf21("1","2","3","3","4","7","4","1") = "6"
    & skf21("1","2","3","3","4","7","5","1") = "6"
    & skf21("1","2","3","3","4","7","6","1") = "6"
    & skf21("1","2","3","3","4","7","7","1") = "6"
    & skf21("1","2","3","3","5","1","1","1") = "4"
    & skf21("1","2","3","3","5","1","2","1") = "4"
    & skf21("1","2","3","3","5","1","3","1") = "4"
    & skf21("1","2","3","3","5","1","4","1") = "4"
    & skf21("1","2","3","3","5","1","5","1") = "4"
    & skf21("1","2","3","3","5","1","6","1") = "5"
    & skf21("1","2","3","3","5","1","7","1") = "6"
    & skf21("1","2","3","3","5","2","1","1") = "4"
    & skf21("1","2","3","3","5","2","2","1") = "4"
    & skf21("1","2","3","3","5","2","3","1") = "4"
    & skf21("1","2","3","3","5","2","4","1") = "4"
    & skf21("1","2","3","3","5","2","5","1") = "4"
    & skf21("1","2","3","3","5","2","6","1") = "5"
    & skf21("1","2","3","3","5","2","7","1") = "6"
    & skf21("1","2","3","3","5","3","1","1") = "4"
    & skf21("1","2","3","3","5","3","2","1") = "4"
    & skf21("1","2","3","3","5","3","3","1") = "4"
    & skf21("1","2","3","3","5","3","4","1") = "4"
    & skf21("1","2","3","3","5","3","5","1") = "4"
    & skf21("1","2","3","3","5","3","6","1") = "5"
    & skf21("1","2","3","3","5","3","7","1") = "6"
    & skf21("1","2","3","3","5","4","1","1") = "4"
    & skf21("1","2","3","3","5","4","2","1") = "4"
    & skf21("1","2","3","3","5","4","3","1") = "4"
    & skf21("1","2","3","3","5","4","4","1") = "4"
    & skf21("1","2","3","3","5","4","5","1") = "4"
    & skf21("1","2","3","3","5","4","6","1") = "5"
    & skf21("1","2","3","3","5","4","7","1") = "6"
    & skf21("1","2","3","3","5","5","1","1") = "4"
    & skf21("1","2","3","3","5","5","2","1") = "4"
    & skf21("1","2","3","3","5","5","3","1") = "4"
    & skf21("1","2","3","3","5","5","4","1") = "4"
    & skf21("1","2","3","3","5","5","5","1") = "4"
    & skf21("1","2","3","3","5","5","6","1") = "5"
    & skf21("1","2","3","3","5","5","7","1") = "6"
    & skf21("1","2","3","3","5","6","1","1") = "5"
    & skf21("1","2","3","3","5","6","2","1") = "5"
    & skf21("1","2","3","3","5","6","3","1") = "5"
    & skf21("1","2","3","3","5","6","4","1") = "5"
    & skf21("1","2","3","3","5","6","5","1") = "5"
    & skf21("1","2","3","3","5","6","6","1") = "5"
    & skf21("1","2","3","3","5","6","7","1") = "6"
    & skf21("1","2","3","3","5","7","1","1") = "6"
    & skf21("1","2","3","3","5","7","2","1") = "6"
    & skf21("1","2","3","3","5","7","3","1") = "6"
    & skf21("1","2","3","3","5","7","4","1") = "6"
    & skf21("1","2","3","3","5","7","5","1") = "6"
    & skf21("1","2","3","3","5","7","6","1") = "6"
    & skf21("1","2","3","3","5","7","7","1") = "6"
    & skf21("1","2","3","3","6","1","1","1") = "5"
    & skf21("1","2","3","3","6","1","2","1") = "5"
    & skf21("1","2","3","3","6","1","3","1") = "5"
    & skf21("1","2","3","3","6","1","4","1") = "5"
    & skf21("1","2","3","3","6","1","5","1") = "5"
    & skf21("1","2","3","3","6","1","6","1") = "5"
    & skf21("1","2","3","3","6","1","7","1") = "6"
    & skf21("1","2","3","3","6","2","1","1") = "5"
    & skf21("1","2","3","3","6","2","2","1") = "5"
    & skf21("1","2","3","3","6","2","3","1") = "5"
    & skf21("1","2","3","3","6","2","4","1") = "5"
    & skf21("1","2","3","3","6","2","5","1") = "5"
    & skf21("1","2","3","3","6","2","6","1") = "5"
    & skf21("1","2","3","3","6","2","7","1") = "6"
    & skf21("1","2","3","3","6","3","1","1") = "5"
    & skf21("1","2","3","3","6","3","2","1") = "5"
    & skf21("1","2","3","3","6","3","3","1") = "5"
    & skf21("1","2","3","3","6","3","4","1") = "5"
    & skf21("1","2","3","3","6","3","5","1") = "5"
    & skf21("1","2","3","3","6","3","6","1") = "5"
    & skf21("1","2","3","3","6","3","7","1") = "6"
    & skf21("1","2","3","3","6","4","1","1") = "5"
    & skf21("1","2","3","3","6","4","2","1") = "5"
    & skf21("1","2","3","3","6","4","3","1") = "5"
    & skf21("1","2","3","3","6","4","4","1") = "5"
    & skf21("1","2","3","3","6","4","5","1") = "5"
    & skf21("1","2","3","3","6","4","6","1") = "5"
    & skf21("1","2","3","3","6","4","7","1") = "6"
    & skf21("1","2","3","3","6","5","1","1") = "5"
    & skf21("1","2","3","3","6","5","2","1") = "5"
    & skf21("1","2","3","3","6","5","3","1") = "5"
    & skf21("1","2","3","3","6","5","4","1") = "5"
    & skf21("1","2","3","3","6","5","5","1") = "5"
    & skf21("1","2","3","3","6","5","6","1") = "5"
    & skf21("1","2","3","3","6","5","7","1") = "6"
    & skf21("1","2","3","3","6","6","1","1") = "5"
    & skf21("1","2","3","3","6","6","2","1") = "5"
    & skf21("1","2","3","3","6","6","3","1") = "5"
    & skf21("1","2","3","3","6","6","4","1") = "5"
    & skf21("1","2","3","3","6","6","5","1") = "5"
    & skf21("1","2","3","3","6","6","6","1") = "5"
    & skf21("1","2","3","3","6","6","7","1") = "6"
    & skf21("1","2","3","3","6","7","1","1") = "6"
    & skf21("1","2","3","3","6","7","2","1") = "6"
    & skf21("1","2","3","3","6","7","3","1") = "6"
    & skf21("1","2","3","3","6","7","4","1") = "6"
    & skf21("1","2","3","3","6","7","5","1") = "6"
    & skf21("1","2","3","3","6","7","6","1") = "6"
    & skf21("1","2","3","3","6","7","7","1") = "6"
    & skf21("1","2","3","3","7","1","1","1") = "6"
    & skf21("1","2","3","3","7","1","2","1") = "6"
    & skf21("1","2","3","3","7","1","3","1") = "6"
    & skf21("1","2","3","3","7","1","4","1") = "6"
    & skf21("1","2","3","3","7","1","5","1") = "6"
    & skf21("1","2","3","3","7","1","6","1") = "6"
    & skf21("1","2","3","3","7","1","7","1") = "6"
    & skf21("1","2","3","3","7","2","1","1") = "6"
    & skf21("1","2","3","3","7","2","2","1") = "6"
    & skf21("1","2","3","3","7","2","3","1") = "6"
    & skf21("1","2","3","3","7","2","4","1") = "6"
    & skf21("1","2","3","3","7","2","5","1") = "6"
    & skf21("1","2","3","3","7","2","6","1") = "6"
    & skf21("1","2","3","3","7","2","7","1") = "6"
    & skf21("1","2","3","3","7","3","1","1") = "6"
    & skf21("1","2","3","3","7","3","2","1") = "6"
    & skf21("1","2","3","3","7","3","3","1") = "6"
    & skf21("1","2","3","3","7","3","4","1") = "6"
    & skf21("1","2","3","3","7","3","5","1") = "6"
    & skf21("1","2","3","3","7","3","6","1") = "6"
    & skf21("1","2","3","3","7","3","7","1") = "6"
    & skf21("1","2","3","3","7","4","1","1") = "6"
    & skf21("1","2","3","3","7","4","2","1") = "6"
    & skf21("1","2","3","3","7","4","3","1") = "6"
    & skf21("1","2","3","3","7","4","4","1") = "6"
    & skf21("1","2","3","3","7","4","5","1") = "6"
    & skf21("1","2","3","3","7","4","6","1") = "6"
    & skf21("1","2","3","3","7","4","7","1") = "6"
    & skf21("1","2","3","3","7","5","1","1") = "6"
    & skf21("1","2","3","3","7","5","2","1") = "6"
    & skf21("1","2","3","3","7","5","3","1") = "6"
    & skf21("1","2","3","3","7","5","4","1") = "6"
    & skf21("1","2","3","3","7","5","5","1") = "6"
    & skf21("1","2","3","3","7","5","6","1") = "6"
    & skf21("1","2","3","3","7","5","7","1") = "6"
    & skf21("1","2","3","3","7","6","1","1") = "6"
    & skf21("1","2","3","3","7","6","2","1") = "6"
    & skf21("1","2","3","3","7","6","3","1") = "6"
    & skf21("1","2","3","3","7","6","4","1") = "6"
    & skf21("1","2","3","3","7","6","5","1") = "6"
    & skf21("1","2","3","3","7","6","6","1") = "6"
    & skf21("1","2","3","3","7","6","7","1") = "6"
    & skf21("1","2","3","3","7","7","1","1") = "6"
    & skf21("1","2","3","3","7","7","2","1") = "6"
    & skf21("1","2","3","3","7","7","3","1") = "6"
    & skf21("1","2","3","3","7","7","4","1") = "6"
    & skf21("1","2","3","3","7","7","5","1") = "6"
    & skf21("1","2","3","3","7","7","6","1") = "6"
    & skf21("1","2","3","3","7","7","7","1") = "6"
    & skf21("1","2","3","4","1","1","1","1") = "3"
    & skf21("1","2","3","4","1","1","2","1") = "3"
    & skf21("1","2","3","4","1","1","3","1") = "3"
    & skf21("1","2","3","4","1","1","4","1") = "3"
    & skf21("1","2","3","4","1","1","5","1") = "4"
    & skf21("1","2","3","4","1","1","6","1") = "5"
    & skf21("1","2","3","4","1","1","7","1") = "6"
    & skf21("1","2","3","4","1","2","1","1") = "3"
    & skf21("1","2","3","4","1","2","2","1") = "3"
    & skf21("1","2","3","4","1","2","3","1") = "3"
    & skf21("1","2","3","4","1","2","4","1") = "3"
    & skf21("1","2","3","4","1","2","5","1") = "4"
    & skf21("1","2","3","4","1","2","6","1") = "5"
    & skf21("1","2","3","4","1","2","7","1") = "6"
    & skf21("1","2","3","4","1","3","1","1") = "3"
    & skf21("1","2","3","4","1","3","2","1") = "3"
    & skf21("1","2","3","4","1","3","3","1") = "3"
    & skf21("1","2","3","4","1","3","4","1") = "3"
    & skf21("1","2","3","4","1","3","5","1") = "4"
    & skf21("1","2","3","4","1","3","6","1") = "5"
    & skf21("1","2","3","4","1","3","7","1") = "6"
    & skf21("1","2","3","4","1","4","1","1") = "3"
    & skf21("1","2","3","4","1","4","2","1") = "3"
    & skf21("1","2","3","4","1","4","3","1") = "3"
    & skf21("1","2","3","4","1","4","4","1") = "3"
    & skf21("1","2","3","4","1","4","5","1") = "4"
    & skf21("1","2","3","4","1","4","6","1") = "5"
    & skf21("1","2","3","4","1","4","7","1") = "6"
    & skf21("1","2","3","4","1","5","1","1") = "4"
    & skf21("1","2","3","4","1","5","2","1") = "4"
    & skf21("1","2","3","4","1","5","3","1") = "4"
    & skf21("1","2","3","4","1","5","4","1") = "4"
    & skf21("1","2","3","4","1","5","5","1") = "4"
    & skf21("1","2","3","4","1","5","6","1") = "5"
    & skf21("1","2","3","4","1","5","7","1") = "6"
    & skf21("1","2","3","4","1","6","1","1") = "5"
    & skf21("1","2","3","4","1","6","2","1") = "5"
    & skf21("1","2","3","4","1","6","3","1") = "5"
    & skf21("1","2","3","4","1","6","4","1") = "5"
    & skf21("1","2","3","4","1","6","5","1") = "5"
    & skf21("1","2","3","4","1","6","6","1") = "5"
    & skf21("1","2","3","4","1","6","7","1") = "6"
    & skf21("1","2","3","4","1","7","1","1") = "6"
    & skf21("1","2","3","4","1","7","2","1") = "6"
    & skf21("1","2","3","4","1","7","3","1") = "6"
    & skf21("1","2","3","4","1","7","4","1") = "6"
    & skf21("1","2","3","4","1","7","5","1") = "6"
    & skf21("1","2","3","4","1","7","6","1") = "6"
    & skf21("1","2","3","4","1","7","7","1") = "6"
    & skf21("1","2","3","4","2","1","1","1") = "3"
    & skf21("1","2","3","4","2","1","2","1") = "3"
    & skf21("1","2","3","4","2","1","3","1") = "3"
    & skf21("1","2","3","4","2","1","4","1") = "3"
    & skf21("1","2","3","4","2","1","5","1") = "4"
    & skf21("1","2","3","4","2","1","6","1") = "5"
    & skf21("1","2","3","4","2","1","7","1") = "6"
    & skf21("1","2","3","4","2","2","1","1") = "3"
    & skf21("1","2","3","4","2","2","2","1") = "3"
    & skf21("1","2","3","4","2","2","3","1") = "3"
    & skf21("1","2","3","4","2","2","4","1") = "3"
    & skf21("1","2","3","4","2","2","5","1") = "4"
    & skf21("1","2","3","4","2","2","6","1") = "5"
    & skf21("1","2","3","4","2","2","7","1") = "6"
    & skf21("1","2","3","4","2","3","1","1") = "3"
    & skf21("1","2","3","4","2","3","2","1") = "3"
    & skf21("1","2","3","4","2","3","3","1") = "3"
    & skf21("1","2","3","4","2","3","4","1") = "3"
    & skf21("1","2","3","4","2","3","5","1") = "4"
    & skf21("1","2","3","4","2","3","6","1") = "5"
    & skf21("1","2","3","4","2","3","7","1") = "6"
    & skf21("1","2","3","4","2","4","1","1") = "3"
    & skf21("1","2","3","4","2","4","2","1") = "3"
    & skf21("1","2","3","4","2","4","3","1") = "3"
    & skf21("1","2","3","4","2","4","4","1") = "3"
    & skf21("1","2","3","4","2","4","5","1") = "4"
    & skf21("1","2","3","4","2","4","6","1") = "5"
    & skf21("1","2","3","4","2","4","7","1") = "6"
    & skf21("1","2","3","4","2","5","1","1") = "4"
    & skf21("1","2","3","4","2","5","2","1") = "4"
    & skf21("1","2","3","4","2","5","3","1") = "4"
    & skf21("1","2","3","4","2","5","4","1") = "4"
    & skf21("1","2","3","4","2","5","5","1") = "4"
    & skf21("1","2","3","4","2","5","6","1") = "5"
    & skf21("1","2","3","4","2","5","7","1") = "6"
    & skf21("1","2","3","4","2","6","1","1") = "5"
    & skf21("1","2","3","4","2","6","2","1") = "5"
    & skf21("1","2","3","4","2","6","3","1") = "5"
    & skf21("1","2","3","4","2","6","4","1") = "5"
    & skf21("1","2","3","4","2","6","5","1") = "5"
    & skf21("1","2","3","4","2","6","6","1") = "5"
    & skf21("1","2","3","4","2","6","7","1") = "6"
    & skf21("1","2","3","4","2","7","1","1") = "6"
    & skf21("1","2","3","4","2","7","2","1") = "6"
    & skf21("1","2","3","4","2","7","3","1") = "6"
    & skf21("1","2","3","4","2","7","4","1") = "6"
    & skf21("1","2","3","4","2","7","5","1") = "6"
    & skf21("1","2","3","4","2","7","6","1") = "6"
    & skf21("1","2","3","4","2","7","7","1") = "6"
    & skf21("1","2","3","4","3","1","1","1") = "3"
    & skf21("1","2","3","4","3","1","2","1") = "3"
    & skf21("1","2","3","4","3","1","3","1") = "3"
    & skf21("1","2","3","4","3","1","4","1") = "3"
    & skf21("1","2","3","4","3","1","5","1") = "4"
    & skf21("1","2","3","4","3","1","6","1") = "5"
    & skf21("1","2","3","4","3","1","7","1") = "6"
    & skf21("1","2","3","4","3","2","1","1") = "3"
    & skf21("1","2","3","4","3","2","2","1") = "3"
    & skf21("1","2","3","4","3","2","3","1") = "3"
    & skf21("1","2","3","4","3","2","4","1") = "3"
    & skf21("1","2","3","4","3","2","5","1") = "4"
    & skf21("1","2","3","4","3","2","6","1") = "5"
    & skf21("1","2","3","4","3","2","7","1") = "6"
    & skf21("1","2","3","4","3","3","1","1") = "3"
    & skf21("1","2","3","4","3","3","2","1") = "3"
    & skf21("1","2","3","4","3","3","3","1") = "3"
    & skf21("1","2","3","4","3","3","4","1") = "3"
    & skf21("1","2","3","4","3","3","5","1") = "4"
    & skf21("1","2","3","4","3","3","6","1") = "5"
    & skf21("1","2","3","4","3","3","7","1") = "6"
    & skf21("1","2","3","4","3","4","1","1") = "3"
    & skf21("1","2","3","4","3","4","2","1") = "3"
    & skf21("1","2","3","4","3","4","3","1") = "3"
    & skf21("1","2","3","4","3","4","4","1") = "3"
    & skf21("1","2","3","4","3","4","5","1") = "4"
    & skf21("1","2","3","4","3","4","6","1") = "5"
    & skf21("1","2","3","4","3","4","7","1") = "6"
    & skf21("1","2","3","4","3","5","1","1") = "4"
    & skf21("1","2","3","4","3","5","2","1") = "4"
    & skf21("1","2","3","4","3","5","3","1") = "4"
    & skf21("1","2","3","4","3","5","4","1") = "4"
    & skf21("1","2","3","4","3","5","5","1") = "4"
    & skf21("1","2","3","4","3","5","6","1") = "5"
    & skf21("1","2","3","4","3","5","7","1") = "6"
    & skf21("1","2","3","4","3","6","1","1") = "5"
    & skf21("1","2","3","4","3","6","2","1") = "5"
    & skf21("1","2","3","4","3","6","3","1") = "5"
    & skf21("1","2","3","4","3","6","4","1") = "5"
    & skf21("1","2","3","4","3","6","5","1") = "5"
    & skf21("1","2","3","4","3","6","6","1") = "5"
    & skf21("1","2","3","4","3","6","7","1") = "6"
    & skf21("1","2","3","4","3","7","1","1") = "6"
    & skf21("1","2","3","4","3","7","2","1") = "6"
    & skf21("1","2","3","4","3","7","3","1") = "6"
    & skf21("1","2","3","4","3","7","4","1") = "6"
    & skf21("1","2","3","4","3","7","5","1") = "6"
    & skf21("1","2","3","4","3","7","6","1") = "6"
    & skf21("1","2","3","4","3","7","7","1") = "6"
    & skf21("1","2","3","4","4","1","1","1") = "3"
    & skf21("1","2","3","4","4","1","2","1") = "3"
    & skf21("1","2","3","4","4","1","3","1") = "3"
    & skf21("1","2","3","4","4","1","4","1") = "3"
    & skf21("1","2","3","4","4","1","5","1") = "4"
    & skf21("1","2","3","4","4","1","6","1") = "5"
    & skf21("1","2","3","4","4","1","7","1") = "6"
    & skf21("1","2","3","4","4","2","1","1") = "3"
    & skf21("1","2","3","4","4","2","2","1") = "3"
    & skf21("1","2","3","4","4","2","3","1") = "3"
    & skf21("1","2","3","4","4","2","4","1") = "3"
    & skf21("1","2","3","4","4","2","5","1") = "4"
    & skf21("1","2","3","4","4","2","6","1") = "5"
    & skf21("1","2","3","4","4","2","7","1") = "6"
    & skf21("1","2","3","4","4","3","1","1") = "3"
    & skf21("1","2","3","4","4","3","2","1") = "3"
    & skf21("1","2","3","4","4","3","3","1") = "3"
    & skf21("1","2","3","4","4","3","4","1") = "3"
    & skf21("1","2","3","4","4","3","5","1") = "4"
    & skf21("1","2","3","4","4","3","6","1") = "5"
    & skf21("1","2","3","4","4","3","7","1") = "6"
    & skf21("1","2","3","4","4","4","1","1") = "3"
    & skf21("1","2","3","4","4","4","2","1") = "3"
    & skf21("1","2","3","4","4","4","3","1") = "3"
    & skf21("1","2","3","4","4","4","4","1") = "3"
    & skf21("1","2","3","4","4","4","5","1") = "4"
    & skf21("1","2","3","4","4","4","6","1") = "5"
    & skf21("1","2","3","4","4","4","7","1") = "6"
    & skf21("1","2","3","4","4","5","1","1") = "4"
    & skf21("1","2","3","4","4","5","2","1") = "4"
    & skf21("1","2","3","4","4","5","3","1") = "4"
    & skf21("1","2","3","4","4","5","4","1") = "4"
    & skf21("1","2","3","4","4","5","5","1") = "4"
    & skf21("1","2","3","4","4","5","6","1") = "5"
    & skf21("1","2","3","4","4","5","7","1") = "6"
    & skf21("1","2","3","4","4","6","1","1") = "5"
    & skf21("1","2","3","4","4","6","2","1") = "5"
    & skf21("1","2","3","4","4","6","3","1") = "5"
    & skf21("1","2","3","4","4","6","4","1") = "5"
    & skf21("1","2","3","4","4","6","5","1") = "5"
    & skf21("1","2","3","4","4","6","6","1") = "5"
    & skf21("1","2","3","4","4","6","7","1") = "6"
    & skf21("1","2","3","4","4","7","1","1") = "6"
    & skf21("1","2","3","4","4","7","2","1") = "6"
    & skf21("1","2","3","4","4","7","3","1") = "6"
    & skf21("1","2","3","4","4","7","4","1") = "6"
    & skf21("1","2","3","4","4","7","5","1") = "6"
    & skf21("1","2","3","4","4","7","6","1") = "6"
    & skf21("1","2","3","4","4","7","7","1") = "6"
    & skf21("1","2","3","4","5","1","1","1") = "4"
    & skf21("1","2","3","4","5","1","2","1") = "4"
    & skf21("1","2","3","4","5","1","3","1") = "4"
    & skf21("1","2","3","4","5","1","4","1") = "4"
    & skf21("1","2","3","4","5","1","5","1") = "4"
    & skf21("1","2","3","4","5","1","6","1") = "5"
    & skf21("1","2","3","4","5","1","7","1") = "6"
    & skf21("1","2","3","4","5","2","1","1") = "4"
    & skf21("1","2","3","4","5","2","2","1") = "4"
    & skf21("1","2","3","4","5","2","3","1") = "4"
    & skf21("1","2","3","4","5","2","4","1") = "4"
    & skf21("1","2","3","4","5","2","5","1") = "4"
    & skf21("1","2","3","4","5","2","6","1") = "5"
    & skf21("1","2","3","4","5","2","7","1") = "6"
    & skf21("1","2","3","4","5","3","1","1") = "4"
    & skf21("1","2","3","4","5","3","2","1") = "4"
    & skf21("1","2","3","4","5","3","3","1") = "4"
    & skf21("1","2","3","4","5","3","4","1") = "4"
    & skf21("1","2","3","4","5","3","5","1") = "4"
    & skf21("1","2","3","4","5","3","6","1") = "5"
    & skf21("1","2","3","4","5","3","7","1") = "6"
    & skf21("1","2","3","4","5","4","1","1") = "4"
    & skf21("1","2","3","4","5","4","2","1") = "4"
    & skf21("1","2","3","4","5","4","3","1") = "4"
    & skf21("1","2","3","4","5","4","4","1") = "4"
    & skf21("1","2","3","4","5","4","5","1") = "4"
    & skf21("1","2","3","4","5","4","6","1") = "5"
    & skf21("1","2","3","4","5","4","7","1") = "6"
    & skf21("1","2","3","4","5","5","1","1") = "4"
    & skf21("1","2","3","4","5","5","2","1") = "4"
    & skf21("1","2","3","4","5","5","3","1") = "4"
    & skf21("1","2","3","4","5","5","4","1") = "4"
    & skf21("1","2","3","4","5","5","5","1") = "4"
    & skf21("1","2","3","4","5","5","6","1") = "5"
    & skf21("1","2","3","4","5","5","7","1") = "6"
    & skf21("1","2","3","4","5","6","1","1") = "5"
    & skf21("1","2","3","4","5","6","2","1") = "5"
    & skf21("1","2","3","4","5","6","3","1") = "5"
    & skf21("1","2","3","4","5","6","4","1") = "5"
    & skf21("1","2","3","4","5","6","5","1") = "5"
    & skf21("1","2","3","4","5","6","6","1") = "5"
    & skf21("1","2","3","4","5","6","7","1") = "6"
    & skf21("1","2","3","4","5","7","1","1") = "6"
    & skf21("1","2","3","4","5","7","2","1") = "6"
    & skf21("1","2","3","4","5","7","3","1") = "6"
    & skf21("1","2","3","4","5","7","4","1") = "6"
    & skf21("1","2","3","4","5","7","5","1") = "6"
    & skf21("1","2","3","4","5","7","6","1") = "6"
    & skf21("1","2","3","4","5","7","7","1") = "6"
    & skf21("1","2","3","4","6","1","1","1") = "5"
    & skf21("1","2","3","4","6","1","2","1") = "5"
    & skf21("1","2","3","4","6","1","3","1") = "5"
    & skf21("1","2","3","4","6","1","4","1") = "5"
    & skf21("1","2","3","4","6","1","5","1") = "5"
    & skf21("1","2","3","4","6","1","6","1") = "5"
    & skf21("1","2","3","4","6","1","7","1") = "6"
    & skf21("1","2","3","4","6","2","1","1") = "5"
    & skf21("1","2","3","4","6","2","2","1") = "5"
    & skf21("1","2","3","4","6","2","3","1") = "5"
    & skf21("1","2","3","4","6","2","4","1") = "5"
    & skf21("1","2","3","4","6","2","5","1") = "5"
    & skf21("1","2","3","4","6","2","6","1") = "5"
    & skf21("1","2","3","4","6","2","7","1") = "6"
    & skf21("1","2","3","4","6","3","1","1") = "5"
    & skf21("1","2","3","4","6","3","2","1") = "5"
    & skf21("1","2","3","4","6","3","3","1") = "5"
    & skf21("1","2","3","4","6","3","4","1") = "5"
    & skf21("1","2","3","4","6","3","5","1") = "5"
    & skf21("1","2","3","4","6","3","6","1") = "5"
    & skf21("1","2","3","4","6","3","7","1") = "6"
    & skf21("1","2","3","4","6","4","1","1") = "5"
    & skf21("1","2","3","4","6","4","2","1") = "5"
    & skf21("1","2","3","4","6","4","3","1") = "5"
    & skf21("1","2","3","4","6","4","4","1") = "5"
    & skf21("1","2","3","4","6","4","5","1") = "5"
    & skf21("1","2","3","4","6","4","6","1") = "5"
    & skf21("1","2","3","4","6","4","7","1") = "6"
    & skf21("1","2","3","4","6","5","1","1") = "5"
    & skf21("1","2","3","4","6","5","2","1") = "5"
    & skf21("1","2","3","4","6","5","3","1") = "5"
    & skf21("1","2","3","4","6","5","4","1") = "5"
    & skf21("1","2","3","4","6","5","5","1") = "5"
    & skf21("1","2","3","4","6","5","6","1") = "5"
    & skf21("1","2","3","4","6","5","7","1") = "6"
    & skf21("1","2","3","4","6","6","1","1") = "5"
    & skf21("1","2","3","4","6","6","2","1") = "5"
    & skf21("1","2","3","4","6","6","3","1") = "5"
    & skf21("1","2","3","4","6","6","4","1") = "5"
    & skf21("1","2","3","4","6","6","5","1") = "5"
    & skf21("1","2","3","4","6","6","6","1") = "5"
    & skf21("1","2","3","4","6","6","7","1") = "6"
    & skf21("1","2","3","4","6","7","1","1") = "6"
    & skf21("1","2","3","4","6","7","2","1") = "6"
    & skf21("1","2","3","4","6","7","3","1") = "6"
    & skf21("1","2","3","4","6","7","4","1") = "6"
    & skf21("1","2","3","4","6","7","5","1") = "6"
    & skf21("1","2","3","4","6","7","6","1") = "6"
    & skf21("1","2","3","4","6","7","7","1") = "6"
    & skf21("1","2","3","4","7","1","1","1") = "6"
    & skf21("1","2","3","4","7","1","2","1") = "6"
    & skf21("1","2","3","4","7","1","3","1") = "6"
    & skf21("1","2","3","4","7","1","4","1") = "6"
    & skf21("1","2","3","4","7","1","5","1") = "6"
    & skf21("1","2","3","4","7","1","6","1") = "6"
    & skf21("1","2","3","4","7","1","7","1") = "6"
    & skf21("1","2","3","4","7","2","1","1") = "6"
    & skf21("1","2","3","4","7","2","2","1") = "6"
    & skf21("1","2","3","4","7","2","3","1") = "6"
    & skf21("1","2","3","4","7","2","4","1") = "6"
    & skf21("1","2","3","4","7","2","5","1") = "6"
    & skf21("1","2","3","4","7","2","6","1") = "6"
    & skf21("1","2","3","4","7","2","7","1") = "6"
    & skf21("1","2","3","4","7","3","1","1") = "6"
    & skf21("1","2","3","4","7","3","2","1") = "6"
    & skf21("1","2","3","4","7","3","3","1") = "6"
    & skf21("1","2","3","4","7","3","4","1") = "6"
    & skf21("1","2","3","4","7","3","5","1") = "6"
    & skf21("1","2","3","4","7","3","6","1") = "6"
    & skf21("1","2","3","4","7","3","7","1") = "6"
    & skf21("1","2","3","4","7","4","1","1") = "6"
    & skf21("1","2","3","4","7","4","2","1") = "6"
    & skf21("1","2","3","4","7","4","3","1") = "6"
    & skf21("1","2","3","4","7","4","4","1") = "6"
    & skf21("1","2","3","4","7","4","5","1") = "6"
    & skf21("1","2","3","4","7","4","6","1") = "6"
    & skf21("1","2","3","4","7","4","7","1") = "6"
    & skf21("1","2","3","4","7","5","1","1") = "6"
    & skf21("1","2","3","4","7","5","2","1") = "6"
    & skf21("1","2","3","4","7","5","3","1") = "6"
    & skf21("1","2","3","4","7","5","4","1") = "6"
    & skf21("1","2","3","4","7","5","5","1") = "6"
    & skf21("1","2","3","4","7","5","6","1") = "6"
    & skf21("1","2","3","4","7","5","7","1") = "6"
    & skf21("1","2","3","4","7","6","1","1") = "6"
    & skf21("1","2","3","4","7","6","2","1") = "6"
    & skf21("1","2","3","4","7","6","3","1") = "6"
    & skf21("1","2","3","4","7","6","4","1") = "6"
    & skf21("1","2","3","4","7","6","5","1") = "6"
    & skf21("1","2","3","4","7","6","6","1") = "6"
    & skf21("1","2","3","4","7","6","7","1") = "6"
    & skf21("1","2","3","4","7","7","1","1") = "6"
    & skf21("1","2","3","4","7","7","2","1") = "6"
    & skf21("1","2","3","4","7","7","3","1") = "6"
    & skf21("1","2","3","4","7","7","4","1") = "6"
    & skf21("1","2","3","4","7","7","5","1") = "6"
    & skf21("1","2","3","4","7","7","6","1") = "6"
    & skf21("1","2","3","4","7","7","7","1") = "6"
    & skf21("1","2","3","5","1","1","1","1") = "4"
    & skf21("1","2","3","5","1","1","2","1") = "4"
    & skf21("1","2","3","5","1","1","3","1") = "4"
    & skf21("1","2","3","5","1","1","4","1") = "4"
    & skf21("1","2","3","5","1","1","5","1") = "4"
    & skf21("1","2","3","5","1","1","6","1") = "5"
    & skf21("1","2","3","5","1","1","7","1") = "6"
    & skf21("1","2","3","5","1","2","1","1") = "4"
    & skf21("1","2","3","5","1","2","2","1") = "4"
    & skf21("1","2","3","5","1","2","3","1") = "4"
    & skf21("1","2","3","5","1","2","4","1") = "4"
    & skf21("1","2","3","5","1","2","5","1") = "4"
    & skf21("1","2","3","5","1","2","6","1") = "5"
    & skf21("1","2","3","5","1","2","7","1") = "6"
    & skf21("1","2","3","5","1","3","1","1") = "4"
    & skf21("1","2","3","5","1","3","2","1") = "4"
    & skf21("1","2","3","5","1","3","3","1") = "4"
    & skf21("1","2","3","5","1","3","4","1") = "4"
    & skf21("1","2","3","5","1","3","5","1") = "4"
    & skf21("1","2","3","5","1","3","6","1") = "5"
    & skf21("1","2","3","5","1","3","7","1") = "6"
    & skf21("1","2","3","5","1","4","1","1") = "4"
    & skf21("1","2","3","5","1","4","2","1") = "4"
    & skf21("1","2","3","5","1","4","3","1") = "4"
    & skf21("1","2","3","5","1","4","4","1") = "4"
    & skf21("1","2","3","5","1","4","5","1") = "4"
    & skf21("1","2","3","5","1","4","6","1") = "5"
    & skf21("1","2","3","5","1","4","7","1") = "6"
    & skf21("1","2","3","5","1","5","1","1") = "4"
    & skf21("1","2","3","5","1","5","2","1") = "4"
    & skf21("1","2","3","5","1","5","3","1") = "4"
    & skf21("1","2","3","5","1","5","4","1") = "4"
    & skf21("1","2","3","5","1","5","5","1") = "4"
    & skf21("1","2","3","5","1","5","6","1") = "5"
    & skf21("1","2","3","5","1","5","7","1") = "6"
    & skf21("1","2","3","5","1","6","1","1") = "5"
    & skf21("1","2","3","5","1","6","2","1") = "5"
    & skf21("1","2","3","5","1","6","3","1") = "5"
    & skf21("1","2","3","5","1","6","4","1") = "5"
    & skf21("1","2","3","5","1","6","5","1") = "5"
    & skf21("1","2","3","5","1","6","6","1") = "5"
    & skf21("1","2","3","5","1","6","7","1") = "6"
    & skf21("1","2","3","5","1","7","1","1") = "6"
    & skf21("1","2","3","5","1","7","2","1") = "6"
    & skf21("1","2","3","5","1","7","3","1") = "6"
    & skf21("1","2","3","5","1","7","4","1") = "6"
    & skf21("1","2","3","5","1","7","5","1") = "6"
    & skf21("1","2","3","5","1","7","6","1") = "6"
    & skf21("1","2","3","5","1","7","7","1") = "6"
    & skf21("1","2","3","5","2","1","1","1") = "4"
    & skf21("1","2","3","5","2","1","2","1") = "4"
    & skf21("1","2","3","5","2","1","3","1") = "4"
    & skf21("1","2","3","5","2","1","4","1") = "4"
    & skf21("1","2","3","5","2","1","5","1") = "4"
    & skf21("1","2","3","5","2","1","6","1") = "5"
    & skf21("1","2","3","5","2","1","7","1") = "6"
    & skf21("1","2","3","5","2","2","1","1") = "4"
    & skf21("1","2","3","5","2","2","2","1") = "4"
    & skf21("1","2","3","5","2","2","3","1") = "4"
    & skf21("1","2","3","5","2","2","4","1") = "4"
    & skf21("1","2","3","5","2","2","5","1") = "4"
    & skf21("1","2","3","5","2","2","6","1") = "5"
    & skf21("1","2","3","5","2","2","7","1") = "6"
    & skf21("1","2","3","5","2","3","1","1") = "4"
    & skf21("1","2","3","5","2","3","2","1") = "4"
    & skf21("1","2","3","5","2","3","3","1") = "4"
    & skf21("1","2","3","5","2","3","4","1") = "4"
    & skf21("1","2","3","5","2","3","5","1") = "4"
    & skf21("1","2","3","5","2","3","6","1") = "5"
    & skf21("1","2","3","5","2","3","7","1") = "6"
    & skf21("1","2","3","5","2","4","1","1") = "4"
    & skf21("1","2","3","5","2","4","2","1") = "4"
    & skf21("1","2","3","5","2","4","3","1") = "4"
    & skf21("1","2","3","5","2","4","4","1") = "4"
    & skf21("1","2","3","5","2","4","5","1") = "4"
    & skf21("1","2","3","5","2","4","6","1") = "5"
    & skf21("1","2","3","5","2","4","7","1") = "6"
    & skf21("1","2","3","5","2","5","1","1") = "4"
    & skf21("1","2","3","5","2","5","2","1") = "4"
    & skf21("1","2","3","5","2","5","3","1") = "4"
    & skf21("1","2","3","5","2","5","4","1") = "4"
    & skf21("1","2","3","5","2","5","5","1") = "4"
    & skf21("1","2","3","5","2","5","6","1") = "5"
    & skf21("1","2","3","5","2","5","7","1") = "6"
    & skf21("1","2","3","5","2","6","1","1") = "5"
    & skf21("1","2","3","5","2","6","2","1") = "5"
    & skf21("1","2","3","5","2","6","3","1") = "5"
    & skf21("1","2","3","5","2","6","4","1") = "5"
    & skf21("1","2","3","5","2","6","5","1") = "5"
    & skf21("1","2","3","5","2","6","6","1") = "5"
    & skf21("1","2","3","5","2","6","7","1") = "6"
    & skf21("1","2","3","5","2","7","1","1") = "6"
    & skf21("1","2","3","5","2","7","2","1") = "6"
    & skf21("1","2","3","5","2","7","3","1") = "6"
    & skf21("1","2","3","5","2","7","4","1") = "6"
    & skf21("1","2","3","5","2","7","5","1") = "6"
    & skf21("1","2","3","5","2","7","6","1") = "6"
    & skf21("1","2","3","5","2","7","7","1") = "6"
    & skf21("1","2","3","5","3","1","1","1") = "4"
    & skf21("1","2","3","5","3","1","2","1") = "4"
    & skf21("1","2","3","5","3","1","3","1") = "4"
    & skf21("1","2","3","5","3","1","4","1") = "4"
    & skf21("1","2","3","5","3","1","5","1") = "4"
    & skf21("1","2","3","5","3","1","6","1") = "5"
    & skf21("1","2","3","5","3","1","7","1") = "6"
    & skf21("1","2","3","5","3","2","1","1") = "4"
    & skf21("1","2","3","5","3","2","2","1") = "4"
    & skf21("1","2","3","5","3","2","3","1") = "4"
    & skf21("1","2","3","5","3","2","4","1") = "4"
    & skf21("1","2","3","5","3","2","5","1") = "4"
    & skf21("1","2","3","5","3","2","6","1") = "5"
    & skf21("1","2","3","5","3","2","7","1") = "6"
    & skf21("1","2","3","5","3","3","1","1") = "4"
    & skf21("1","2","3","5","3","3","2","1") = "4"
    & skf21("1","2","3","5","3","3","3","1") = "4"
    & skf21("1","2","3","5","3","3","4","1") = "4"
    & skf21("1","2","3","5","3","3","5","1") = "4"
    & skf21("1","2","3","5","3","3","6","1") = "5"
    & skf21("1","2","3","5","3","3","7","1") = "6"
    & skf21("1","2","3","5","3","4","1","1") = "4"
    & skf21("1","2","3","5","3","4","2","1") = "4"
    & skf21("1","2","3","5","3","4","3","1") = "4"
    & skf21("1","2","3","5","3","4","4","1") = "4"
    & skf21("1","2","3","5","3","4","5","1") = "4"
    & skf21("1","2","3","5","3","4","6","1") = "5"
    & skf21("1","2","3","5","3","4","7","1") = "6"
    & skf21("1","2","3","5","3","5","1","1") = "4"
    & skf21("1","2","3","5","3","5","2","1") = "4"
    & skf21("1","2","3","5","3","5","3","1") = "4"
    & skf21("1","2","3","5","3","5","4","1") = "4"
    & skf21("1","2","3","5","3","5","5","1") = "4"
    & skf21("1","2","3","5","3","5","6","1") = "5"
    & skf21("1","2","3","5","3","5","7","1") = "6"
    & skf21("1","2","3","5","3","6","1","1") = "5"
    & skf21("1","2","3","5","3","6","2","1") = "5"
    & skf21("1","2","3","5","3","6","3","1") = "5"
    & skf21("1","2","3","5","3","6","4","1") = "5"
    & skf21("1","2","3","5","3","6","5","1") = "5"
    & skf21("1","2","3","5","3","6","6","1") = "5"
    & skf21("1","2","3","5","3","6","7","1") = "6"
    & skf21("1","2","3","5","3","7","1","1") = "6"
    & skf21("1","2","3","5","3","7","2","1") = "6"
    & skf21("1","2","3","5","3","7","3","1") = "6"
    & skf21("1","2","3","5","3","7","4","1") = "6"
    & skf21("1","2","3","5","3","7","5","1") = "6"
    & skf21("1","2","3","5","3","7","6","1") = "6"
    & skf21("1","2","3","5","3","7","7","1") = "6"
    & skf21("1","2","3","5","4","1","1","1") = "4"
    & skf21("1","2","3","5","4","1","2","1") = "4"
    & skf21("1","2","3","5","4","1","3","1") = "4"
    & skf21("1","2","3","5","4","1","4","1") = "4"
    & skf21("1","2","3","5","4","1","5","1") = "4"
    & skf21("1","2","3","5","4","1","6","1") = "5"
    & skf21("1","2","3","5","4","1","7","1") = "6"
    & skf21("1","2","3","5","4","2","1","1") = "4"
    & skf21("1","2","3","5","4","2","2","1") = "4"
    & skf21("1","2","3","5","4","2","3","1") = "4"
    & skf21("1","2","3","5","4","2","4","1") = "4"
    & skf21("1","2","3","5","4","2","5","1") = "4"
    & skf21("1","2","3","5","4","2","6","1") = "5"
    & skf21("1","2","3","5","4","2","7","1") = "6"
    & skf21("1","2","3","5","4","3","1","1") = "4"
    & skf21("1","2","3","5","4","3","2","1") = "4"
    & skf21("1","2","3","5","4","3","3","1") = "4"
    & skf21("1","2","3","5","4","3","4","1") = "4"
    & skf21("1","2","3","5","4","3","5","1") = "4"
    & skf21("1","2","3","5","4","3","6","1") = "5"
    & skf21("1","2","3","5","4","3","7","1") = "6"
    & skf21("1","2","3","5","4","4","1","1") = "4"
    & skf21("1","2","3","5","4","4","2","1") = "4"
    & skf21("1","2","3","5","4","4","3","1") = "4"
    & skf21("1","2","3","5","4","4","4","1") = "4"
    & skf21("1","2","3","5","4","4","5","1") = "4"
    & skf21("1","2","3","5","4","4","6","1") = "5"
    & skf21("1","2","3","5","4","4","7","1") = "6"
    & skf21("1","2","3","5","4","5","1","1") = "4"
    & skf21("1","2","3","5","4","5","2","1") = "4"
    & skf21("1","2","3","5","4","5","3","1") = "4"
    & skf21("1","2","3","5","4","5","4","1") = "4"
    & skf21("1","2","3","5","4","5","5","1") = "4"
    & skf21("1","2","3","5","4","5","6","1") = "5"
    & skf21("1","2","3","5","4","5","7","1") = "6"
    & skf21("1","2","3","5","4","6","1","1") = "5"
    & skf21("1","2","3","5","4","6","2","1") = "5"
    & skf21("1","2","3","5","4","6","3","1") = "5"
    & skf21("1","2","3","5","4","6","4","1") = "5"
    & skf21("1","2","3","5","4","6","5","1") = "5"
    & skf21("1","2","3","5","4","6","6","1") = "5"
    & skf21("1","2","3","5","4","6","7","1") = "6"
    & skf21("1","2","3","5","4","7","1","1") = "6"
    & skf21("1","2","3","5","4","7","2","1") = "6"
    & skf21("1","2","3","5","4","7","3","1") = "6"
    & skf21("1","2","3","5","4","7","4","1") = "6"
    & skf21("1","2","3","5","4","7","5","1") = "6"
    & skf21("1","2","3","5","4","7","6","1") = "6"
    & skf21("1","2","3","5","4","7","7","1") = "6"
    & skf21("1","2","3","5","5","1","1","1") = "4"
    & skf21("1","2","3","5","5","1","2","1") = "4"
    & skf21("1","2","3","5","5","1","3","1") = "4"
    & skf21("1","2","3","5","5","1","4","1") = "4"
    & skf21("1","2","3","5","5","1","5","1") = "4"
    & skf21("1","2","3","5","5","1","6","1") = "5"
    & skf21("1","2","3","5","5","1","7","1") = "6"
    & skf21("1","2","3","5","5","2","1","1") = "4"
    & skf21("1","2","3","5","5","2","2","1") = "4"
    & skf21("1","2","3","5","5","2","3","1") = "4"
    & skf21("1","2","3","5","5","2","4","1") = "4"
    & skf21("1","2","3","5","5","2","5","1") = "4"
    & skf21("1","2","3","5","5","2","6","1") = "5"
    & skf21("1","2","3","5","5","2","7","1") = "6"
    & skf21("1","2","3","5","5","3","1","1") = "4"
    & skf21("1","2","3","5","5","3","2","1") = "4"
    & skf21("1","2","3","5","5","3","3","1") = "4"
    & skf21("1","2","3","5","5","3","4","1") = "4"
    & skf21("1","2","3","5","5","3","5","1") = "4"
    & skf21("1","2","3","5","5","3","6","1") = "5"
    & skf21("1","2","3","5","5","3","7","1") = "6"
    & skf21("1","2","3","5","5","4","1","1") = "4"
    & skf21("1","2","3","5","5","4","2","1") = "4"
    & skf21("1","2","3","5","5","4","3","1") = "4"
    & skf21("1","2","3","5","5","4","4","1") = "4"
    & skf21("1","2","3","5","5","4","5","1") = "4"
    & skf21("1","2","3","5","5","4","6","1") = "5"
    & skf21("1","2","3","5","5","4","7","1") = "6"
    & skf21("1","2","3","5","5","5","1","1") = "4"
    & skf21("1","2","3","5","5","5","2","1") = "4"
    & skf21("1","2","3","5","5","5","3","1") = "4"
    & skf21("1","2","3","5","5","5","4","1") = "4"
    & skf21("1","2","3","5","5","5","5","1") = "4"
    & skf21("1","2","3","5","5","5","6","1") = "5"
    & skf21("1","2","3","5","5","5","7","1") = "6"
    & skf21("1","2","3","5","5","6","1","1") = "5"
    & skf21("1","2","3","5","5","6","2","1") = "5"
    & skf21("1","2","3","5","5","6","3","1") = "5"
    & skf21("1","2","3","5","5","6","4","1") = "5"
    & skf21("1","2","3","5","5","6","5","1") = "5"
    & skf21("1","2","3","5","5","6","6","1") = "5"
    & skf21("1","2","3","5","5","6","7","1") = "6"
    & skf21("1","2","3","5","5","7","1","1") = "6"
    & skf21("1","2","3","5","5","7","2","1") = "6"
    & skf21("1","2","3","5","5","7","3","1") = "6"
    & skf21("1","2","3","5","5","7","4","1") = "6"
    & skf21("1","2","3","5","5","7","5","1") = "6"
    & skf21("1","2","3","5","5","7","6","1") = "6"
    & skf21("1","2","3","5","5","7","7","1") = "6"
    & skf21("1","2","3","5","6","1","1","1") = "5"
    & skf21("1","2","3","5","6","1","2","1") = "5"
    & skf21("1","2","3","5","6","1","3","1") = "5"
    & skf21("1","2","3","5","6","1","4","1") = "5"
    & skf21("1","2","3","5","6","1","5","1") = "5"
    & skf21("1","2","3","5","6","1","6","1") = "5"
    & skf21("1","2","3","5","6","1","7","1") = "6"
    & skf21("1","2","3","5","6","2","1","1") = "5"
    & skf21("1","2","3","5","6","2","2","1") = "5"
    & skf21("1","2","3","5","6","2","3","1") = "5"
    & skf21("1","2","3","5","6","2","4","1") = "5"
    & skf21("1","2","3","5","6","2","5","1") = "5"
    & skf21("1","2","3","5","6","2","6","1") = "5"
    & skf21("1","2","3","5","6","2","7","1") = "6"
    & skf21("1","2","3","5","6","3","1","1") = "5"
    & skf21("1","2","3","5","6","3","2","1") = "5"
    & skf21("1","2","3","5","6","3","3","1") = "5"
    & skf21("1","2","3","5","6","3","4","1") = "5"
    & skf21("1","2","3","5","6","3","5","1") = "5"
    & skf21("1","2","3","5","6","3","6","1") = "5"
    & skf21("1","2","3","5","6","3","7","1") = "6"
    & skf21("1","2","3","5","6","4","1","1") = "5"
    & skf21("1","2","3","5","6","4","2","1") = "5"
    & skf21("1","2","3","5","6","4","3","1") = "5"
    & skf21("1","2","3","5","6","4","4","1") = "5"
    & skf21("1","2","3","5","6","4","5","1") = "5"
    & skf21("1","2","3","5","6","4","6","1") = "5"
    & skf21("1","2","3","5","6","4","7","1") = "6"
    & skf21("1","2","3","5","6","5","1","1") = "5"
    & skf21("1","2","3","5","6","5","2","1") = "5"
    & skf21("1","2","3","5","6","5","3","1") = "5"
    & skf21("1","2","3","5","6","5","4","1") = "5"
    & skf21("1","2","3","5","6","5","5","1") = "5"
    & skf21("1","2","3","5","6","5","6","1") = "5"
    & skf21("1","2","3","5","6","5","7","1") = "6"
    & skf21("1","2","3","5","6","6","1","1") = "5"
    & skf21("1","2","3","5","6","6","2","1") = "5"
    & skf21("1","2","3","5","6","6","3","1") = "5"
    & skf21("1","2","3","5","6","6","4","1") = "5"
    & skf21("1","2","3","5","6","6","5","1") = "5"
    & skf21("1","2","3","5","6","6","6","1") = "5"
    & skf21("1","2","3","5","6","6","7","1") = "6"
    & skf21("1","2","3","5","6","7","1","1") = "6"
    & skf21("1","2","3","5","6","7","2","1") = "6"
    & skf21("1","2","3","5","6","7","3","1") = "6"
    & skf21("1","2","3","5","6","7","4","1") = "6"
    & skf21("1","2","3","5","6","7","5","1") = "6"
    & skf21("1","2","3","5","6","7","6","1") = "6"
    & skf21("1","2","3","5","6","7","7","1") = "6"
    & skf21("1","2","3","5","7","1","1","1") = "6"
    & skf21("1","2","3","5","7","1","2","1") = "6"
    & skf21("1","2","3","5","7","1","3","1") = "6"
    & skf21("1","2","3","5","7","1","4","1") = "6"
    & skf21("1","2","3","5","7","1","5","1") = "6"
    & skf21("1","2","3","5","7","1","6","1") = "6"
    & skf21("1","2","3","5","7","1","7","1") = "6"
    & skf21("1","2","3","5","7","2","1","1") = "6"
    & skf21("1","2","3","5","7","2","2","1") = "6"
    & skf21("1","2","3","5","7","2","3","1") = "6"
    & skf21("1","2","3","5","7","2","4","1") = "6"
    & skf21("1","2","3","5","7","2","5","1") = "6"
    & skf21("1","2","3","5","7","2","6","1") = "6"
    & skf21("1","2","3","5","7","2","7","1") = "6"
    & skf21("1","2","3","5","7","3","1","1") = "6"
    & skf21("1","2","3","5","7","3","2","1") = "6"
    & skf21("1","2","3","5","7","3","3","1") = "6"
    & skf21("1","2","3","5","7","3","4","1") = "6"
    & skf21("1","2","3","5","7","3","5","1") = "6"
    & skf21("1","2","3","5","7","3","6","1") = "6"
    & skf21("1","2","3","5","7","3","7","1") = "6"
    & skf21("1","2","3","5","7","4","1","1") = "6"
    & skf21("1","2","3","5","7","4","2","1") = "6"
    & skf21("1","2","3","5","7","4","3","1") = "6"
    & skf21("1","2","3","5","7","4","4","1") = "6"
    & skf21("1","2","3","5","7","4","5","1") = "6"
    & skf21("1","2","3","5","7","4","6","1") = "6"
    & skf21("1","2","3","5","7","4","7","1") = "6"
    & skf21("1","2","3","5","7","5","1","1") = "6"
    & skf21("1","2","3","5","7","5","2","1") = "6"
    & skf21("1","2","3","5","7","5","3","1") = "6"
    & skf21("1","2","3","5","7","5","4","1") = "6"
    & skf21("1","2","3","5","7","5","5","1") = "6"
    & skf21("1","2","3","5","7","5","6","1") = "6"
    & skf21("1","2","3","5","7","5","7","1") = "6"
    & skf21("1","2","3","5","7","6","1","1") = "6"
    & skf21("1","2","3","5","7","6","2","1") = "6"
    & skf21("1","2","3","5","7","6","3","1") = "6"
    & skf21("1","2","3","5","7","6","4","1") = "6"
    & skf21("1","2","3","5","7","6","5","1") = "6"
    & skf21("1","2","3","5","7","6","6","1") = "6"
    & skf21("1","2","3","5","7","6","7","1") = "6"
    & skf21("1","2","3","5","7","7","1","1") = "6"
    & skf21("1","2","3","5","7","7","2","1") = "6"
    & skf21("1","2","3","5","7","7","3","1") = "6"
    & skf21("1","2","3","5","7","7","4","1") = "6"
    & skf21("1","2","3","5","7","7","5","1") = "6"
    & skf21("1","2","3","5","7","7","6","1") = "6"
    & skf21("1","2","3","5","7","7","7","1") = "6"
    & skf21("1","2","3","6","1","1","1","1") = "5"
    & skf21("1","2","3","6","1","1","2","1") = "5"
    & skf21("1","2","3","6","1","1","3","1") = "5"
    & skf21("1","2","3","6","1","1","4","1") = "5"
    & skf21("1","2","3","6","1","1","5","1") = "5"
    & skf21("1","2","3","6","1","1","6","1") = "5"
    & skf21("1","2","3","6","1","1","7","1") = "6"
    & skf21("1","2","3","6","1","2","1","1") = "5"
    & skf21("1","2","3","6","1","2","2","1") = "5"
    & skf21("1","2","3","6","1","2","3","1") = "5"
    & skf21("1","2","3","6","1","2","4","1") = "5"
    & skf21("1","2","3","6","1","2","5","1") = "5"
    & skf21("1","2","3","6","1","2","6","1") = "5"
    & skf21("1","2","3","6","1","2","7","1") = "6"
    & skf21("1","2","3","6","1","3","1","1") = "5"
    & skf21("1","2","3","6","1","3","2","1") = "5"
    & skf21("1","2","3","6","1","3","3","1") = "5"
    & skf21("1","2","3","6","1","3","4","1") = "5"
    & skf21("1","2","3","6","1","3","5","1") = "5"
    & skf21("1","2","3","6","1","3","6","1") = "5"
    & skf21("1","2","3","6","1","3","7","1") = "6"
    & skf21("1","2","3","6","1","4","1","1") = "5"
    & skf21("1","2","3","6","1","4","2","1") = "5"
    & skf21("1","2","3","6","1","4","3","1") = "5"
    & skf21("1","2","3","6","1","4","4","1") = "5"
    & skf21("1","2","3","6","1","4","5","1") = "5"
    & skf21("1","2","3","6","1","4","6","1") = "5"
    & skf21("1","2","3","6","1","4","7","1") = "6"
    & skf21("1","2","3","6","1","5","1","1") = "5"
    & skf21("1","2","3","6","1","5","2","1") = "5"
    & skf21("1","2","3","6","1","5","3","1") = "5"
    & skf21("1","2","3","6","1","5","4","1") = "5"
    & skf21("1","2","3","6","1","5","5","1") = "5"
    & skf21("1","2","3","6","1","5","6","1") = "5"
    & skf21("1","2","3","6","1","5","7","1") = "6"
    & skf21("1","2","3","6","1","6","1","1") = "5"
    & skf21("1","2","3","6","1","6","2","1") = "5"
    & skf21("1","2","3","6","1","6","3","1") = "5"
    & skf21("1","2","3","6","1","6","4","1") = "5"
    & skf21("1","2","3","6","1","6","5","1") = "5"
    & skf21("1","2","3","6","1","6","6","1") = "5"
    & skf21("1","2","3","6","1","6","7","1") = "6"
    & skf21("1","2","3","6","1","7","1","1") = "6"
    & skf21("1","2","3","6","1","7","2","1") = "6"
    & skf21("1","2","3","6","1","7","3","1") = "6"
    & skf21("1","2","3","6","1","7","4","1") = "6"
    & skf21("1","2","3","6","1","7","5","1") = "6"
    & skf21("1","2","3","6","1","7","6","1") = "6"
    & skf21("1","2","3","6","1","7","7","1") = "6"
    & skf21("1","2","3","6","2","1","1","1") = "5"
    & skf21("1","2","3","6","2","1","2","1") = "5"
    & skf21("1","2","3","6","2","1","3","1") = "5"
    & skf21("1","2","3","6","2","1","4","1") = "5"
    & skf21("1","2","3","6","2","1","5","1") = "5"
    & skf21("1","2","3","6","2","1","6","1") = "5"
    & skf21("1","2","3","6","2","1","7","1") = "6"
    & skf21("1","2","3","6","2","2","1","1") = "5"
    & skf21("1","2","3","6","2","2","2","1") = "5"
    & skf21("1","2","3","6","2","2","3","1") = "5"
    & skf21("1","2","3","6","2","2","4","1") = "5"
    & skf21("1","2","3","6","2","2","5","1") = "5"
    & skf21("1","2","3","6","2","2","6","1") = "5"
    & skf21("1","2","3","6","2","2","7","1") = "6"
    & skf21("1","2","3","6","2","3","1","1") = "5"
    & skf21("1","2","3","6","2","3","2","1") = "5"
    & skf21("1","2","3","6","2","3","3","1") = "5"
    & skf21("1","2","3","6","2","3","4","1") = "5"
    & skf21("1","2","3","6","2","3","5","1") = "5"
    & skf21("1","2","3","6","2","3","6","1") = "5"
    & skf21("1","2","3","6","2","3","7","1") = "6"
    & skf21("1","2","3","6","2","4","1","1") = "5"
    & skf21("1","2","3","6","2","4","2","1") = "5"
    & skf21("1","2","3","6","2","4","3","1") = "5"
    & skf21("1","2","3","6","2","4","4","1") = "5"
    & skf21("1","2","3","6","2","4","5","1") = "5"
    & skf21("1","2","3","6","2","4","6","1") = "5"
    & skf21("1","2","3","6","2","4","7","1") = "6"
    & skf21("1","2","3","6","2","5","1","1") = "5"
    & skf21("1","2","3","6","2","5","2","1") = "5"
    & skf21("1","2","3","6","2","5","3","1") = "5"
    & skf21("1","2","3","6","2","5","4","1") = "5"
    & skf21("1","2","3","6","2","5","5","1") = "5"
    & skf21("1","2","3","6","2","5","6","1") = "5"
    & skf21("1","2","3","6","2","5","7","1") = "6"
    & skf21("1","2","3","6","2","6","1","1") = "5"
    & skf21("1","2","3","6","2","6","2","1") = "5"
    & skf21("1","2","3","6","2","6","3","1") = "5"
    & skf21("1","2","3","6","2","6","4","1") = "5"
    & skf21("1","2","3","6","2","6","5","1") = "5"
    & skf21("1","2","3","6","2","6","6","1") = "5"
    & skf21("1","2","3","6","2","6","7","1") = "6"
    & skf21("1","2","3","6","2","7","1","1") = "6"
    & skf21("1","2","3","6","2","7","2","1") = "6"
    & skf21("1","2","3","6","2","7","3","1") = "6"
    & skf21("1","2","3","6","2","7","4","1") = "6"
    & skf21("1","2","3","6","2","7","5","1") = "6"
    & skf21("1","2","3","6","2","7","6","1") = "6"
    & skf21("1","2","3","6","2","7","7","1") = "6"
    & skf21("1","2","3","6","3","1","1","1") = "5"
    & skf21("1","2","3","6","3","1","2","1") = "5"
    & skf21("1","2","3","6","3","1","3","1") = "5"
    & skf21("1","2","3","6","3","1","4","1") = "5"
    & skf21("1","2","3","6","3","1","5","1") = "5"
    & skf21("1","2","3","6","3","1","6","1") = "5"
    & skf21("1","2","3","6","3","1","7","1") = "6"
    & skf21("1","2","3","6","3","2","1","1") = "5"
    & skf21("1","2","3","6","3","2","2","1") = "5"
    & skf21("1","2","3","6","3","2","3","1") = "5"
    & skf21("1","2","3","6","3","2","4","1") = "5"
    & skf21("1","2","3","6","3","2","5","1") = "5"
    & skf21("1","2","3","6","3","2","6","1") = "5"
    & skf21("1","2","3","6","3","2","7","1") = "6"
    & skf21("1","2","3","6","3","3","1","1") = "5"
    & skf21("1","2","3","6","3","3","2","1") = "5"
    & skf21("1","2","3","6","3","3","3","1") = "5"
    & skf21("1","2","3","6","3","3","4","1") = "5"
    & skf21("1","2","3","6","3","3","5","1") = "5"
    & skf21("1","2","3","6","3","3","6","1") = "5"
    & skf21("1","2","3","6","3","3","7","1") = "6"
    & skf21("1","2","3","6","3","4","1","1") = "5"
    & skf21("1","2","3","6","3","4","2","1") = "5"
    & skf21("1","2","3","6","3","4","3","1") = "5"
    & skf21("1","2","3","6","3","4","4","1") = "5"
    & skf21("1","2","3","6","3","4","5","1") = "5"
    & skf21("1","2","3","6","3","4","6","1") = "5"
    & skf21("1","2","3","6","3","4","7","1") = "6"
    & skf21("1","2","3","6","3","5","1","1") = "5"
    & skf21("1","2","3","6","3","5","2","1") = "5"
    & skf21("1","2","3","6","3","5","3","1") = "5"
    & skf21("1","2","3","6","3","5","4","1") = "5"
    & skf21("1","2","3","6","3","5","5","1") = "5"
    & skf21("1","2","3","6","3","5","6","1") = "5"
    & skf21("1","2","3","6","3","5","7","1") = "6"
    & skf21("1","2","3","6","3","6","1","1") = "5"
    & skf21("1","2","3","6","3","6","2","1") = "5"
    & skf21("1","2","3","6","3","6","3","1") = "5"
    & skf21("1","2","3","6","3","6","4","1") = "5"
    & skf21("1","2","3","6","3","6","5","1") = "5"
    & skf21("1","2","3","6","3","6","6","1") = "5"
    & skf21("1","2","3","6","3","6","7","1") = "6"
    & skf21("1","2","3","6","3","7","1","1") = "6"
    & skf21("1","2","3","6","3","7","2","1") = "6"
    & skf21("1","2","3","6","3","7","3","1") = "6"
    & skf21("1","2","3","6","3","7","4","1") = "6"
    & skf21("1","2","3","6","3","7","5","1") = "6"
    & skf21("1","2","3","6","3","7","6","1") = "6"
    & skf21("1","2","3","6","3","7","7","1") = "6"
    & skf21("1","2","3","6","4","1","1","1") = "5"
    & skf21("1","2","3","6","4","1","2","1") = "5"
    & skf21("1","2","3","6","4","1","3","1") = "5"
    & skf21("1","2","3","6","4","1","4","1") = "5"
    & skf21("1","2","3","6","4","1","5","1") = "5"
    & skf21("1","2","3","6","4","1","6","1") = "5"
    & skf21("1","2","3","6","4","1","7","1") = "6"
    & skf21("1","2","3","6","4","2","1","1") = "5"
    & skf21("1","2","3","6","4","2","2","1") = "5"
    & skf21("1","2","3","6","4","2","3","1") = "5"
    & skf21("1","2","3","6","4","2","4","1") = "5"
    & skf21("1","2","3","6","4","2","5","1") = "5"
    & skf21("1","2","3","6","4","2","6","1") = "5"
    & skf21("1","2","3","6","4","2","7","1") = "6"
    & skf21("1","2","3","6","4","3","1","1") = "5"
    & skf21("1","2","3","6","4","3","2","1") = "5"
    & skf21("1","2","3","6","4","3","3","1") = "5"
    & skf21("1","2","3","6","4","3","4","1") = "5"
    & skf21("1","2","3","6","4","3","5","1") = "5"
    & skf21("1","2","3","6","4","3","6","1") = "5"
    & skf21("1","2","3","6","4","3","7","1") = "6"
    & skf21("1","2","3","6","4","4","1","1") = "5"
    & skf21("1","2","3","6","4","4","2","1") = "5"
    & skf21("1","2","3","6","4","4","3","1") = "5"
    & skf21("1","2","3","6","4","4","4","1") = "5"
    & skf21("1","2","3","6","4","4","5","1") = "5"
    & skf21("1","2","3","6","4","4","6","1") = "5"
    & skf21("1","2","3","6","4","4","7","1") = "6"
    & skf21("1","2","3","6","4","5","1","1") = "5"
    & skf21("1","2","3","6","4","5","2","1") = "5"
    & skf21("1","2","3","6","4","5","3","1") = "5"
    & skf21("1","2","3","6","4","5","4","1") = "5"
    & skf21("1","2","3","6","4","5","5","1") = "5"
    & skf21("1","2","3","6","4","5","6","1") = "5"
    & skf21("1","2","3","6","4","5","7","1") = "6"
    & skf21("1","2","3","6","4","6","1","1") = "5"
    & skf21("1","2","3","6","4","6","2","1") = "5"
    & skf21("1","2","3","6","4","6","3","1") = "5"
    & skf21("1","2","3","6","4","6","4","1") = "5"
    & skf21("1","2","3","6","4","6","5","1") = "5"
    & skf21("1","2","3","6","4","6","6","1") = "5"
    & skf21("1","2","3","6","4","6","7","1") = "6"
    & skf21("1","2","3","6","4","7","1","1") = "6"
    & skf21("1","2","3","6","4","7","2","1") = "6"
    & skf21("1","2","3","6","4","7","3","1") = "6"
    & skf21("1","2","3","6","4","7","4","1") = "6"
    & skf21("1","2","3","6","4","7","5","1") = "6"
    & skf21("1","2","3","6","4","7","6","1") = "6"
    & skf21("1","2","3","6","4","7","7","1") = "6"
    & skf21("1","2","3","6","5","1","1","1") = "5"
    & skf21("1","2","3","6","5","1","2","1") = "5"
    & skf21("1","2","3","6","5","1","3","1") = "5"
    & skf21("1","2","3","6","5","1","4","1") = "5"
    & skf21("1","2","3","6","5","1","5","1") = "5"
    & skf21("1","2","3","6","5","1","6","1") = "5"
    & skf21("1","2","3","6","5","1","7","1") = "6"
    & skf21("1","2","3","6","5","2","1","1") = "5"
    & skf21("1","2","3","6","5","2","2","1") = "5"
    & skf21("1","2","3","6","5","2","3","1") = "5"
    & skf21("1","2","3","6","5","2","4","1") = "5"
    & skf21("1","2","3","6","5","2","5","1") = "5"
    & skf21("1","2","3","6","5","2","6","1") = "5"
    & skf21("1","2","3","6","5","2","7","1") = "6"
    & skf21("1","2","3","6","5","3","1","1") = "5"
    & skf21("1","2","3","6","5","3","2","1") = "5"
    & skf21("1","2","3","6","5","3","3","1") = "5"
    & skf21("1","2","3","6","5","3","4","1") = "5"
    & skf21("1","2","3","6","5","3","5","1") = "5"
    & skf21("1","2","3","6","5","3","6","1") = "5"
    & skf21("1","2","3","6","5","3","7","1") = "6"
    & skf21("1","2","3","6","5","4","1","1") = "5"
    & skf21("1","2","3","6","5","4","2","1") = "5"
    & skf21("1","2","3","6","5","4","3","1") = "5"
    & skf21("1","2","3","6","5","4","4","1") = "5"
    & skf21("1","2","3","6","5","4","5","1") = "5"
    & skf21("1","2","3","6","5","4","6","1") = "5"
    & skf21("1","2","3","6","5","4","7","1") = "6"
    & skf21("1","2","3","6","5","5","1","1") = "5"
    & skf21("1","2","3","6","5","5","2","1") = "5"
    & skf21("1","2","3","6","5","5","3","1") = "5"
    & skf21("1","2","3","6","5","5","4","1") = "5"
    & skf21("1","2","3","6","5","5","5","1") = "5"
    & skf21("1","2","3","6","5","5","6","1") = "5"
    & skf21("1","2","3","6","5","5","7","1") = "6"
    & skf21("1","2","3","6","5","6","1","1") = "5"
    & skf21("1","2","3","6","5","6","2","1") = "5"
    & skf21("1","2","3","6","5","6","3","1") = "5"
    & skf21("1","2","3","6","5","6","4","1") = "5"
    & skf21("1","2","3","6","5","6","5","1") = "5"
    & skf21("1","2","3","6","5","6","6","1") = "5"
    & skf21("1","2","3","6","5","6","7","1") = "6"
    & skf21("1","2","3","6","5","7","1","1") = "6"
    & skf21("1","2","3","6","5","7","2","1") = "6"
    & skf21("1","2","3","6","5","7","3","1") = "6"
    & skf21("1","2","3","6","5","7","4","1") = "6"
    & skf21("1","2","3","6","5","7","5","1") = "6"
    & skf21("1","2","3","6","5","7","6","1") = "6"
    & skf21("1","2","3","6","5","7","7","1") = "6"
    & skf21("1","2","3","6","6","1","1","1") = "5"
    & skf21("1","2","3","6","6","1","2","1") = "5"
    & skf21("1","2","3","6","6","1","3","1") = "5"
    & skf21("1","2","3","6","6","1","4","1") = "5"
    & skf21("1","2","3","6","6","1","5","1") = "5"
    & skf21("1","2","3","6","6","1","6","1") = "5"
    & skf21("1","2","3","6","6","1","7","1") = "6"
    & skf21("1","2","3","6","6","2","1","1") = "5"
    & skf21("1","2","3","6","6","2","2","1") = "5"
    & skf21("1","2","3","6","6","2","3","1") = "5"
    & skf21("1","2","3","6","6","2","4","1") = "5"
    & skf21("1","2","3","6","6","2","5","1") = "5"
    & skf21("1","2","3","6","6","2","6","1") = "5"
    & skf21("1","2","3","6","6","2","7","1") = "6"
    & skf21("1","2","3","6","6","3","1","1") = "5"
    & skf21("1","2","3","6","6","3","2","1") = "5"
    & skf21("1","2","3","6","6","3","3","1") = "5"
    & skf21("1","2","3","6","6","3","4","1") = "5"
    & skf21("1","2","3","6","6","3","5","1") = "5"
    & skf21("1","2","3","6","6","3","6","1") = "5"
    & skf21("1","2","3","6","6","3","7","1") = "6"
    & skf21("1","2","3","6","6","4","1","1") = "5"
    & skf21("1","2","3","6","6","4","2","1") = "5"
    & skf21("1","2","3","6","6","4","3","1") = "5"
    & skf21("1","2","3","6","6","4","4","1") = "5"
    & skf21("1","2","3","6","6","4","5","1") = "5"
    & skf21("1","2","3","6","6","4","6","1") = "5"
    & skf21("1","2","3","6","6","4","7","1") = "6"
    & skf21("1","2","3","6","6","5","1","1") = "5"
    & skf21("1","2","3","6","6","5","2","1") = "5"
    & skf21("1","2","3","6","6","5","3","1") = "5"
    & skf21("1","2","3","6","6","5","4","1") = "5"
    & skf21("1","2","3","6","6","5","5","1") = "5"
    & skf21("1","2","3","6","6","5","6","1") = "5"
    & skf21("1","2","3","6","6","5","7","1") = "6"
    & skf21("1","2","3","6","6","6","1","1") = "5"
    & skf21("1","2","3","6","6","6","2","1") = "5"
    & skf21("1","2","3","6","6","6","3","1") = "5"
    & skf21("1","2","3","6","6","6","4","1") = "5"
    & skf21("1","2","3","6","6","6","5","1") = "5"
    & skf21("1","2","3","6","6","6","6","1") = "5"
    & skf21("1","2","3","6","6","6","7","1") = "6"
    & skf21("1","2","3","6","6","7","1","1") = "6"
    & skf21("1","2","3","6","6","7","2","1") = "6"
    & skf21("1","2","3","6","6","7","3","1") = "6"
    & skf21("1","2","3","6","6","7","4","1") = "6"
    & skf21("1","2","3","6","6","7","5","1") = "6"
    & skf21("1","2","3","6","6","7","6","1") = "6"
    & skf21("1","2","3","6","6","7","7","1") = "6"
    & skf21("1","2","3","6","7","1","1","1") = "6"
    & skf21("1","2","3","6","7","1","2","1") = "6"
    & skf21("1","2","3","6","7","1","3","1") = "6"
    & skf21("1","2","3","6","7","1","4","1") = "6"
    & skf21("1","2","3","6","7","1","5","1") = "6"
    & skf21("1","2","3","6","7","1","6","1") = "6"
    & skf21("1","2","3","6","7","1","7","1") = "6"
    & skf21("1","2","3","6","7","2","1","1") = "6"
    & skf21("1","2","3","6","7","2","2","1") = "6"
    & skf21("1","2","3","6","7","2","3","1") = "6"
    & skf21("1","2","3","6","7","2","4","1") = "6"
    & skf21("1","2","3","6","7","2","5","1") = "6"
    & skf21("1","2","3","6","7","2","6","1") = "6"
    & skf21("1","2","3","6","7","2","7","1") = "6"
    & skf21("1","2","3","6","7","3","1","1") = "6"
    & skf21("1","2","3","6","7","3","2","1") = "6"
    & skf21("1","2","3","6","7","3","3","1") = "6"
    & skf21("1","2","3","6","7","3","4","1") = "6"
    & skf21("1","2","3","6","7","3","5","1") = "6"
    & skf21("1","2","3","6","7","3","6","1") = "6"
    & skf21("1","2","3","6","7","3","7","1") = "6"
    & skf21("1","2","3","6","7","4","1","1") = "6"
    & skf21("1","2","3","6","7","4","2","1") = "6"
    & skf21("1","2","3","6","7","4","3","1") = "6"
    & skf21("1","2","3","6","7","4","4","1") = "6"
    & skf21("1","2","3","6","7","4","5","1") = "6"
    & skf21("1","2","3","6","7","4","6","1") = "6"
    & skf21("1","2","3","6","7","4","7","1") = "6"
    & skf21("1","2","3","6","7","5","1","1") = "6"
    & skf21("1","2","3","6","7","5","2","1") = "6"
    & skf21("1","2","3","6","7","5","3","1") = "6"
    & skf21("1","2","3","6","7","5","4","1") = "6"
    & skf21("1","2","3","6","7","5","5","1") = "6"
    & skf21("1","2","3","6","7","5","6","1") = "6"
    & skf21("1","2","3","6","7","5","7","1") = "6"
    & skf21("1","2","3","6","7","6","1","1") = "6"
    & skf21("1","2","3","6","7","6","2","1") = "6"
    & skf21("1","2","3","6","7","6","3","1") = "6"
    & skf21("1","2","3","6","7","6","4","1") = "6"
    & skf21("1","2","3","6","7","6","5","1") = "6"
    & skf21("1","2","3","6","7","6","6","1") = "6"
    & skf21("1","2","3","6","7","6","7","1") = "6"
    & skf21("1","2","3","6","7","7","1","1") = "6"
    & skf21("1","2","3","6","7","7","2","1") = "6"
    & skf21("1","2","3","6","7","7","3","1") = "6"
    & skf21("1","2","3","6","7","7","4","1") = "6"
    & skf21("1","2","3","6","7","7","5","1") = "6"
    & skf21("1","2","3","6","7","7","6","1") = "6"
    & skf21("1","2","3","6","7","7","7","1") = "6"
    & skf21("1","2","3","7","1","1","1","1") = "6"
    & skf21("1","2","3","7","1","1","2","1") = "6"
    & skf21("1","2","3","7","1","1","3","1") = "6"
    & skf21("1","2","3","7","1","1","4","1") = "6"
    & skf21("1","2","3","7","1","1","5","1") = "6"
    & skf21("1","2","3","7","1","1","6","1") = "6"
    & skf21("1","2","3","7","1","1","7","1") = "6"
    & skf21("1","2","3","7","1","2","1","1") = "6"
    & skf21("1","2","3","7","1","2","2","1") = "6"
    & skf21("1","2","3","7","1","2","3","1") = "6"
    & skf21("1","2","3","7","1","2","4","1") = "6"
    & skf21("1","2","3","7","1","2","5","1") = "6"
    & skf21("1","2","3","7","1","2","6","1") = "6"
    & skf21("1","2","3","7","1","2","7","1") = "6"
    & skf21("1","2","3","7","1","3","1","1") = "6"
    & skf21("1","2","3","7","1","3","2","1") = "6"
    & skf21("1","2","3","7","1","3","3","1") = "6"
    & skf21("1","2","3","7","1","3","4","1") = "6"
    & skf21("1","2","3","7","1","3","5","1") = "6"
    & skf21("1","2","3","7","1","3","6","1") = "6"
    & skf21("1","2","3","7","1","3","7","1") = "6"
    & skf21("1","2","3","7","1","4","1","1") = "6"
    & skf21("1","2","3","7","1","4","2","1") = "6"
    & skf21("1","2","3","7","1","4","3","1") = "6"
    & skf21("1","2","3","7","1","4","4","1") = "6"
    & skf21("1","2","3","7","1","4","5","1") = "6"
    & skf21("1","2","3","7","1","4","6","1") = "6"
    & skf21("1","2","3","7","1","4","7","1") = "6"
    & skf21("1","2","3","7","1","5","1","1") = "6"
    & skf21("1","2","3","7","1","5","2","1") = "6"
    & skf21("1","2","3","7","1","5","3","1") = "6"
    & skf21("1","2","3","7","1","5","4","1") = "6"
    & skf21("1","2","3","7","1","5","5","1") = "6"
    & skf21("1","2","3","7","1","5","6","1") = "6"
    & skf21("1","2","3","7","1","5","7","1") = "6"
    & skf21("1","2","3","7","1","6","1","1") = "6"
    & skf21("1","2","3","7","1","6","2","1") = "6"
    & skf21("1","2","3","7","1","6","3","1") = "6"
    & skf21("1","2","3","7","1","6","4","1") = "6"
    & skf21("1","2","3","7","1","6","5","1") = "6"
    & skf21("1","2","3","7","1","6","6","1") = "6"
    & skf21("1","2","3","7","1","6","7","1") = "6"
    & skf21("1","2","3","7","1","7","1","1") = "6"
    & skf21("1","2","3","7","1","7","2","1") = "6"
    & skf21("1","2","3","7","1","7","3","1") = "6"
    & skf21("1","2","3","7","1","7","4","1") = "6"
    & skf21("1","2","3","7","1","7","5","1") = "6"
    & skf21("1","2","3","7","1","7","6","1") = "6"
    & skf21("1","2","3","7","1","7","7","1") = "6"
    & skf21("1","2","3","7","2","1","1","1") = "6"
    & skf21("1","2","3","7","2","1","2","1") = "6"
    & skf21("1","2","3","7","2","1","3","1") = "6"
    & skf21("1","2","3","7","2","1","4","1") = "6"
    & skf21("1","2","3","7","2","1","5","1") = "6"
    & skf21("1","2","3","7","2","1","6","1") = "6"
    & skf21("1","2","3","7","2","1","7","1") = "6"
    & skf21("1","2","3","7","2","2","1","1") = "6"
    & skf21("1","2","3","7","2","2","2","1") = "6"
    & skf21("1","2","3","7","2","2","3","1") = "6"
    & skf21("1","2","3","7","2","2","4","1") = "6"
    & skf21("1","2","3","7","2","2","5","1") = "6"
    & skf21("1","2","3","7","2","2","6","1") = "6"
    & skf21("1","2","3","7","2","2","7","1") = "6"
    & skf21("1","2","3","7","2","3","1","1") = "6"
    & skf21("1","2","3","7","2","3","2","1") = "6"
    & skf21("1","2","3","7","2","3","3","1") = "6"
    & skf21("1","2","3","7","2","3","4","1") = "6"
    & skf21("1","2","3","7","2","3","5","1") = "6"
    & skf21("1","2","3","7","2","3","6","1") = "6"
    & skf21("1","2","3","7","2","3","7","1") = "6"
    & skf21("1","2","3","7","2","4","1","1") = "6"
    & skf21("1","2","3","7","2","4","2","1") = "6"
    & skf21("1","2","3","7","2","4","3","1") = "6"
    & skf21("1","2","3","7","2","4","4","1") = "6"
    & skf21("1","2","3","7","2","4","5","1") = "6"
    & skf21("1","2","3","7","2","4","6","1") = "6"
    & skf21("1","2","3","7","2","4","7","1") = "6"
    & skf21("1","2","3","7","2","5","1","1") = "6"
    & skf21("1","2","3","7","2","5","2","1") = "6"
    & skf21("1","2","3","7","2","5","3","1") = "6"
    & skf21("1","2","3","7","2","5","4","1") = "6"
    & skf21("1","2","3","7","2","5","5","1") = "6"
    & skf21("1","2","3","7","2","5","6","1") = "6"
    & skf21("1","2","3","7","2","5","7","1") = "6"
    & skf21("1","2","3","7","2","6","1","1") = "6"
    & skf21("1","2","3","7","2","6","2","1") = "6"
    & skf21("1","2","3","7","2","6","3","1") = "6"
    & skf21("1","2","3","7","2","6","4","1") = "6"
    & skf21("1","2","3","7","2","6","5","1") = "6"
    & skf21("1","2","3","7","2","6","6","1") = "6"
    & skf21("1","2","3","7","2","6","7","1") = "6"
    & skf21("1","2","3","7","2","7","1","1") = "6"
    & skf21("1","2","3","7","2","7","2","1") = "6"
    & skf21("1","2","3","7","2","7","3","1") = "6"
    & skf21("1","2","3","7","2","7","4","1") = "6"
    & skf21("1","2","3","7","2","7","5","1") = "6"
    & skf21("1","2","3","7","2","7","6","1") = "6"
    & skf21("1","2","3","7","2","7","7","1") = "6"
    & skf21("1","2","3","7","3","1","1","1") = "6"
    & skf21("1","2","3","7","3","1","2","1") = "6"
    & skf21("1","2","3","7","3","1","3","1") = "6"
    & skf21("1","2","3","7","3","1","4","1") = "6"
    & skf21("1","2","3","7","3","1","5","1") = "6"
    & skf21("1","2","3","7","3","1","6","1") = "6"
    & skf21("1","2","3","7","3","1","7","1") = "6"
    & skf21("1","2","3","7","3","2","1","1") = "6"
    & skf21("1","2","3","7","3","2","2","1") = "6"
    & skf21("1","2","3","7","3","2","3","1") = "6"
    & skf21("1","2","3","7","3","2","4","1") = "6"
    & skf21("1","2","3","7","3","2","5","1") = "6"
    & skf21("1","2","3","7","3","2","6","1") = "6"
    & skf21("1","2","3","7","3","2","7","1") = "6"
    & skf21("1","2","3","7","3","3","1","1") = "6"
    & skf21("1","2","3","7","3","3","2","1") = "6"
    & skf21("1","2","3","7","3","3","3","1") = "6"
    & skf21("1","2","3","7","3","3","4","1") = "6"
    & skf21("1","2","3","7","3","3","5","1") = "6"
    & skf21("1","2","3","7","3","3","6","1") = "6"
    & skf21("1","2","3","7","3","3","7","1") = "6"
    & skf21("1","2","3","7","3","4","1","1") = "6"
    & skf21("1","2","3","7","3","4","2","1") = "6"
    & skf21("1","2","3","7","3","4","3","1") = "6"
    & skf21("1","2","3","7","3","4","4","1") = "6"
    & skf21("1","2","3","7","3","4","5","1") = "6"
    & skf21("1","2","3","7","3","4","6","1") = "6"
    & skf21("1","2","3","7","3","4","7","1") = "6"
    & skf21("1","2","3","7","3","5","1","1") = "6"
    & skf21("1","2","3","7","3","5","2","1") = "6"
    & skf21("1","2","3","7","3","5","3","1") = "6"
    & skf21("1","2","3","7","3","5","4","1") = "6"
    & skf21("1","2","3","7","3","5","5","1") = "6"
    & skf21("1","2","3","7","3","5","6","1") = "6"
    & skf21("1","2","3","7","3","5","7","1") = "6"
    & skf21("1","2","3","7","3","6","1","1") = "6"
    & skf21("1","2","3","7","3","6","2","1") = "6"
    & skf21("1","2","3","7","3","6","3","1") = "6"
    & skf21("1","2","3","7","3","6","4","1") = "6"
    & skf21("1","2","3","7","3","6","5","1") = "6"
    & skf21("1","2","3","7","3","6","6","1") = "6"
    & skf21("1","2","3","7","3","6","7","1") = "6"
    & skf21("1","2","3","7","3","7","1","1") = "6"
    & skf21("1","2","3","7","3","7","2","1") = "6"
    & skf21("1","2","3","7","3","7","3","1") = "6"
    & skf21("1","2","3","7","3","7","4","1") = "6"
    & skf21("1","2","3","7","3","7","5","1") = "6"
    & skf21("1","2","3","7","3","7","6","1") = "6"
    & skf21("1","2","3","7","3","7","7","1") = "6"
    & skf21("1","2","3","7","4","1","1","1") = "6"
    & skf21("1","2","3","7","4","1","2","1") = "6"
    & skf21("1","2","3","7","4","1","3","1") = "6"
    & skf21("1","2","3","7","4","1","4","1") = "6"
    & skf21("1","2","3","7","4","1","5","1") = "6"
    & skf21("1","2","3","7","4","1","6","1") = "6"
    & skf21("1","2","3","7","4","1","7","1") = "6"
    & skf21("1","2","3","7","4","2","1","1") = "6"
    & skf21("1","2","3","7","4","2","2","1") = "6"
    & skf21("1","2","3","7","4","2","3","1") = "6"
    & skf21("1","2","3","7","4","2","4","1") = "6"
    & skf21("1","2","3","7","4","2","5","1") = "6"
    & skf21("1","2","3","7","4","2","6","1") = "6"
    & skf21("1","2","3","7","4","2","7","1") = "6"
    & skf21("1","2","3","7","4","3","1","1") = "6"
    & skf21("1","2","3","7","4","3","2","1") = "6"
    & skf21("1","2","3","7","4","3","3","1") = "6"
    & skf21("1","2","3","7","4","3","4","1") = "6"
    & skf21("1","2","3","7","4","3","5","1") = "6"
    & skf21("1","2","3","7","4","3","6","1") = "6"
    & skf21("1","2","3","7","4","3","7","1") = "6"
    & skf21("1","2","3","7","4","4","1","1") = "6"
    & skf21("1","2","3","7","4","4","2","1") = "6"
    & skf21("1","2","3","7","4","4","3","1") = "6"
    & skf21("1","2","3","7","4","4","4","1") = "6"
    & skf21("1","2","3","7","4","4","5","1") = "6"
    & skf21("1","2","3","7","4","4","6","1") = "6"
    & skf21("1","2","3","7","4","4","7","1") = "6"
    & skf21("1","2","3","7","4","5","1","1") = "6"
    & skf21("1","2","3","7","4","5","2","1") = "6"
    & skf21("1","2","3","7","4","5","3","1") = "6"
    & skf21("1","2","3","7","4","5","4","1") = "6"
    & skf21("1","2","3","7","4","5","5","1") = "6"
    & skf21("1","2","3","7","4","5","6","1") = "6"
    & skf21("1","2","3","7","4","5","7","1") = "6"
    & skf21("1","2","3","7","4","6","1","1") = "6"
    & skf21("1","2","3","7","4","6","2","1") = "6"
    & skf21("1","2","3","7","4","6","3","1") = "6"
    & skf21("1","2","3","7","4","6","4","1") = "6"
    & skf21("1","2","3","7","4","6","5","1") = "6"
    & skf21("1","2","3","7","4","6","6","1") = "6"
    & skf21("1","2","3","7","4","6","7","1") = "6"
    & skf21("1","2","3","7","4","7","1","1") = "6"
    & skf21("1","2","3","7","4","7","2","1") = "6"
    & skf21("1","2","3","7","4","7","3","1") = "6"
    & skf21("1","2","3","7","4","7","4","1") = "6"
    & skf21("1","2","3","7","4","7","5","1") = "6"
    & skf21("1","2","3","7","4","7","6","1") = "6"
    & skf21("1","2","3","7","4","7","7","1") = "6"
    & skf21("1","2","3","7","5","1","1","1") = "6"
    & skf21("1","2","3","7","5","1","2","1") = "6"
    & skf21("1","2","3","7","5","1","3","1") = "6"
    & skf21("1","2","3","7","5","1","4","1") = "6"
    & skf21("1","2","3","7","5","1","5","1") = "6"
    & skf21("1","2","3","7","5","1","6","1") = "6"
    & skf21("1","2","3","7","5","1","7","1") = "6"
    & skf21("1","2","3","7","5","2","1","1") = "6"
    & skf21("1","2","3","7","5","2","2","1") = "6"
    & skf21("1","2","3","7","5","2","3","1") = "6"
    & skf21("1","2","3","7","5","2","4","1") = "6"
    & skf21("1","2","3","7","5","2","5","1") = "6"
    & skf21("1","2","3","7","5","2","6","1") = "6"
    & skf21("1","2","3","7","5","2","7","1") = "6"
    & skf21("1","2","3","7","5","3","1","1") = "6"
    & skf21("1","2","3","7","5","3","2","1") = "6"
    & skf21("1","2","3","7","5","3","3","1") = "6"
    & skf21("1","2","3","7","5","3","4","1") = "6"
    & skf21("1","2","3","7","5","3","5","1") = "6"
    & skf21("1","2","3","7","5","3","6","1") = "6"
    & skf21("1","2","3","7","5","3","7","1") = "6"
    & skf21("1","2","3","7","5","4","1","1") = "6"
    & skf21("1","2","3","7","5","4","2","1") = "6"
    & skf21("1","2","3","7","5","4","3","1") = "6"
    & skf21("1","2","3","7","5","4","4","1") = "6"
    & skf21("1","2","3","7","5","4","5","1") = "6"
    & skf21("1","2","3","7","5","4","6","1") = "6"
    & skf21("1","2","3","7","5","4","7","1") = "6"
    & skf21("1","2","3","7","5","5","1","1") = "6"
    & skf21("1","2","3","7","5","5","2","1") = "6"
    & skf21("1","2","3","7","5","5","3","1") = "6"
    & skf21("1","2","3","7","5","5","4","1") = "6"
    & skf21("1","2","3","7","5","5","5","1") = "6"
    & skf21("1","2","3","7","5","5","6","1") = "6"
    & skf21("1","2","3","7","5","5","7","1") = "6"
    & skf21("1","2","3","7","5","6","1","1") = "6"
    & skf21("1","2","3","7","5","6","2","1") = "6"
    & skf21("1","2","3","7","5","6","3","1") = "6"
    & skf21("1","2","3","7","5","6","4","1") = "6"
    & skf21("1","2","3","7","5","6","5","1") = "6"
    & skf21("1","2","3","7","5","6","6","1") = "6"
    & skf21("1","2","3","7","5","6","7","1") = "6"
    & skf21("1","2","3","7","5","7","1","1") = "6"
    & skf21("1","2","3","7","5","7","2","1") = "6"
    & skf21("1","2","3","7","5","7","3","1") = "6"
    & skf21("1","2","3","7","5","7","4","1") = "6"
    & skf21("1","2","3","7","5","7","5","1") = "6"
    & skf21("1","2","3","7","5","7","6","1") = "6"
    & skf21("1","2","3","7","5","7","7","1") = "6"
    & skf21("1","2","3","7","6","1","1","1") = "6"
    & skf21("1","2","3","7","6","1","2","1") = "6"
    & skf21("1","2","3","7","6","1","3","1") = "6"
    & skf21("1","2","3","7","6","1","4","1") = "6"
    & skf21("1","2","3","7","6","1","5","1") = "6"
    & skf21("1","2","3","7","6","1","6","1") = "6"
    & skf21("1","2","3","7","6","1","7","1") = "6"
    & skf21("1","2","3","7","6","2","1","1") = "6"
    & skf21("1","2","3","7","6","2","2","1") = "6"
    & skf21("1","2","3","7","6","2","3","1") = "6"
    & skf21("1","2","3","7","6","2","4","1") = "6"
    & skf21("1","2","3","7","6","2","5","1") = "6"
    & skf21("1","2","3","7","6","2","6","1") = "6"
    & skf21("1","2","3","7","6","2","7","1") = "6"
    & skf21("1","2","3","7","6","3","1","1") = "6"
    & skf21("1","2","3","7","6","3","2","1") = "6"
    & skf21("1","2","3","7","6","3","3","1") = "6"
    & skf21("1","2","3","7","6","3","4","1") = "6"
    & skf21("1","2","3","7","6","3","5","1") = "6"
    & skf21("1","2","3","7","6","3","6","1") = "6"
    & skf21("1","2","3","7","6","3","7","1") = "6"
    & skf21("1","2","3","7","6","4","1","1") = "6"
    & skf21("1","2","3","7","6","4","2","1") = "6"
    & skf21("1","2","3","7","6","4","3","1") = "6"
    & skf21("1","2","3","7","6","4","4","1") = "6"
    & skf21("1","2","3","7","6","4","5","1") = "6"
    & skf21("1","2","3","7","6","4","6","1") = "6"
    & skf21("1","2","3","7","6","4","7","1") = "6"
    & skf21("1","2","3","7","6","5","1","1") = "6"
    & skf21("1","2","3","7","6","5","2","1") = "6"
    & skf21("1","2","3","7","6","5","3","1") = "6"
    & skf21("1","2","3","7","6","5","4","1") = "6"
    & skf21("1","2","3","7","6","5","5","1") = "6"
    & skf21("1","2","3","7","6","5","6","1") = "6"
    & skf21("1","2","3","7","6","5","7","1") = "6"
    & skf21("1","2","3","7","6","6","1","1") = "6"
    & skf21("1","2","3","7","6","6","2","1") = "6"
    & skf21("1","2","3","7","6","6","3","1") = "6"
    & skf21("1","2","3","7","6","6","4","1") = "6"
    & skf21("1","2","3","7","6","6","5","1") = "6"
    & skf21("1","2","3","7","6","6","6","1") = "6"
    & skf21("1","2","3","7","6","6","7","1") = "6"
    & skf21("1","2","3","7","6","7","1","1") = "6"
    & skf21("1","2","3","7","6","7","2","1") = "6"
    & skf21("1","2","3","7","6","7","3","1") = "6"
    & skf21("1","2","3","7","6","7","4","1") = "6"
    & skf21("1","2","3","7","6","7","5","1") = "6"
    & skf21("1","2","3","7","6","7","6","1") = "6"
    & skf21("1","2","3","7","6","7","7","1") = "6"
    & skf21("1","2","3","7","7","1","1","1") = "6"
    & skf21("1","2","3","7","7","1","2","1") = "6"
    & skf21("1","2","3","7","7","1","3","1") = "6"
    & skf21("1","2","3","7","7","1","4","1") = "6"
    & skf21("1","2","3","7","7","1","5","1") = "6"
    & skf21("1","2","3","7","7","1","6","1") = "6"
    & skf21("1","2","3","7","7","1","7","1") = "6"
    & skf21("1","2","3","7","7","2","1","1") = "6"
    & skf21("1","2","3","7","7","2","2","1") = "6"
    & skf21("1","2","3","7","7","2","3","1") = "6"
    & skf21("1","2","3","7","7","2","4","1") = "6"
    & skf21("1","2","3","7","7","2","5","1") = "6"
    & skf21("1","2","3","7","7","2","6","1") = "6"
    & skf21("1","2","3","7","7","2","7","1") = "6"
    & skf21("1","2","3","7","7","3","1","1") = "6"
    & skf21("1","2","3","7","7","3","2","1") = "6"
    & skf21("1","2","3","7","7","3","3","1") = "6"
    & skf21("1","2","3","7","7","3","4","1") = "6"
    & skf21("1","2","3","7","7","3","5","1") = "6"
    & skf21("1","2","3","7","7","3","6","1") = "6"
    & skf21("1","2","3","7","7","3","7","1") = "6"
    & skf21("1","2","3","7","7","4","1","1") = "6"
    & skf21("1","2","3","7","7","4","2","1") = "6"
    & skf21("1","2","3","7","7","4","3","1") = "6"
    & skf21("1","2","3","7","7","4","4","1") = "6"
    & skf21("1","2","3","7","7","4","5","1") = "6"
    & skf21("1","2","3","7","7","4","6","1") = "6"
    & skf21("1","2","3","7","7","4","7","1") = "6"
    & skf21("1","2","3","7","7","5","1","1") = "6"
    & skf21("1","2","3","7","7","5","2","1") = "6"
    & skf21("1","2","3","7","7","5","3","1") = "6"
    & skf21("1","2","3","7","7","5","4","1") = "6"
    & skf21("1","2","3","7","7","5","5","1") = "6"
    & skf21("1","2","3","7","7","5","6","1") = "6"
    & skf21("1","2","3","7","7","5","7","1") = "6"
    & skf21("1","2","3","7","7","6","1","1") = "6"
    & skf21("1","2","3","7","7","6","2","1") = "6"
    & skf21("1","2","3","7","7","6","3","1") = "6"
    & skf21("1","2","3","7","7","6","4","1") = "6"
    & skf21("1","2","3","7","7","6","5","1") = "6"
    & skf21("1","2","3","7","7","6","6","1") = "6"
    & skf21("1","2","3","7","7","6","7","1") = "6"
    & skf21("1","2","3","7","7","7","1","1") = "6"
    & skf21("1","2","3","7","7","7","2","1") = "6"
    & skf21("1","2","3","7","7","7","3","1") = "6"
    & skf21("1","2","3","7","7","7","4","1") = "6"
    & skf21("1","2","3","7","7","7","5","1") = "6"
    & skf21("1","2","3","7","7","7","6","1") = "6"
    & skf21("1","2","3","7","7","7","7","1") = "6"
    & skf21("1","2","4","1","1","1","1","1") = "3"
    & skf21("1","2","4","1","1","1","2","1") = "3"
    & skf21("1","2","4","1","1","1","3","1") = "3"
    & skf21("1","2","4","1","1","1","4","1") = "3"
    & skf21("1","2","4","1","1","1","5","1") = "4"
    & skf21("1","2","4","1","1","1","6","1") = "5"
    & skf21("1","2","4","1","1","1","7","1") = "6"
    & skf21("1","2","4","1","1","2","1","1") = "3"
    & skf21("1","2","4","1","1","2","2","1") = "3"
    & skf21("1","2","4","1","1","2","3","1") = "3"
    & skf21("1","2","4","1","1","2","4","1") = "3"
    & skf21("1","2","4","1","1","2","5","1") = "4"
    & skf21("1","2","4","1","1","2","6","1") = "5"
    & skf21("1","2","4","1","1","2","7","1") = "6"
    & skf21("1","2","4","1","1","3","1","1") = "3"
    & skf21("1","2","4","1","1","3","2","1") = "3"
    & skf21("1","2","4","1","1","3","3","1") = "3"
    & skf21("1","2","4","1","1","3","4","1") = "3"
    & skf21("1","2","4","1","1","3","5","1") = "4"
    & skf21("1","2","4","1","1","3","6","1") = "5"
    & skf21("1","2","4","1","1","3","7","1") = "6"
    & skf21("1","2","4","1","1","4","1","1") = "3"
    & skf21("1","2","4","1","1","4","2","1") = "3"
    & skf21("1","2","4","1","1","4","3","1") = "3"
    & skf21("1","2","4","1","1","4","4","1") = "3"
    & skf21("1","2","4","1","1","4","5","1") = "4"
    & skf21("1","2","4","1","1","4","6","1") = "5"
    & skf21("1","2","4","1","1","4","7","1") = "6"
    & skf21("1","2","4","1","1","5","1","1") = "4"
    & skf21("1","2","4","1","1","5","2","1") = "4"
    & skf21("1","2","4","1","1","5","3","1") = "4"
    & skf21("1","2","4","1","1","5","4","1") = "4"
    & skf21("1","2","4","1","1","5","5","1") = "4"
    & skf21("1","2","4","1","1","5","6","1") = "5"
    & skf21("1","2","4","1","1","5","7","1") = "6"
    & skf21("1","2","4","1","1","6","1","1") = "5"
    & skf21("1","2","4","1","1","6","2","1") = "5"
    & skf21("1","2","4","1","1","6","3","1") = "5"
    & skf21("1","2","4","1","1","6","4","1") = "5"
    & skf21("1","2","4","1","1","6","5","1") = "5"
    & skf21("1","2","4","1","1","6","6","1") = "5"
    & skf21("1","2","4","1","1","6","7","1") = "6"
    & skf21("1","2","4","1","1","7","1","1") = "6"
    & skf21("1","2","4","1","1","7","2","1") = "6"
    & skf21("1","2","4","1","1","7","3","1") = "6"
    & skf21("1","2","4","1","1","7","4","1") = "6"
    & skf21("1","2","4","1","1","7","5","1") = "6"
    & skf21("1","2","4","1","1","7","6","1") = "6"
    & skf21("1","2","4","1","1","7","7","1") = "6"
    & skf21("1","2","4","1","2","1","1","1") = "3"
    & skf21("1","2","4","1","2","1","2","1") = "3"
    & skf21("1","2","4","1","2","1","3","1") = "3"
    & skf21("1","2","4","1","2","1","4","1") = "3"
    & skf21("1","2","4","1","2","1","5","1") = "4"
    & skf21("1","2","4","1","2","1","6","1") = "5"
    & skf21("1","2","4","1","2","1","7","1") = "6"
    & skf21("1","2","4","1","2","2","1","1") = "3"
    & skf21("1","2","4","1","2","2","2","1") = "3"
    & skf21("1","2","4","1","2","2","3","1") = "3"
    & skf21("1","2","4","1","2","2","4","1") = "3"
    & skf21("1","2","4","1","2","2","5","1") = "4"
    & skf21("1","2","4","1","2","2","6","1") = "5"
    & skf21("1","2","4","1","2","2","7","1") = "6"
    & skf21("1","2","4","1","2","3","1","1") = "3"
    & skf21("1","2","4","1","2","3","2","1") = "3"
    & skf21("1","2","4","1","2","3","3","1") = "3"
    & skf21("1","2","4","1","2","3","4","1") = "3"
    & skf21("1","2","4","1","2","3","5","1") = "4"
    & skf21("1","2","4","1","2","3","6","1") = "5"
    & skf21("1","2","4","1","2","3","7","1") = "6"
    & skf21("1","2","4","1","2","4","1","1") = "3"
    & skf21("1","2","4","1","2","4","2","1") = "3"
    & skf21("1","2","4","1","2","4","3","1") = "3"
    & skf21("1","2","4","1","2","4","4","1") = "3"
    & skf21("1","2","4","1","2","4","5","1") = "4"
    & skf21("1","2","4","1","2","4","6","1") = "5"
    & skf21("1","2","4","1","2","4","7","1") = "6"
    & skf21("1","2","4","1","2","5","1","1") = "4"
    & skf21("1","2","4","1","2","5","2","1") = "4"
    & skf21("1","2","4","1","2","5","3","1") = "4"
    & skf21("1","2","4","1","2","5","4","1") = "4"
    & skf21("1","2","4","1","2","5","5","1") = "4"
    & skf21("1","2","4","1","2","5","6","1") = "5"
    & skf21("1","2","4","1","2","5","7","1") = "6"
    & skf21("1","2","4","1","2","6","1","1") = "5"
    & skf21("1","2","4","1","2","6","2","1") = "5"
    & skf21("1","2","4","1","2","6","3","1") = "5"
    & skf21("1","2","4","1","2","6","4","1") = "5"
    & skf21("1","2","4","1","2","6","5","1") = "5"
    & skf21("1","2","4","1","2","6","6","1") = "5"
    & skf21("1","2","4","1","2","6","7","1") = "6"
    & skf21("1","2","4","1","2","7","1","1") = "6"
    & skf21("1","2","4","1","2","7","2","1") = "6"
    & skf21("1","2","4","1","2","7","3","1") = "6"
    & skf21("1","2","4","1","2","7","4","1") = "6"
    & skf21("1","2","4","1","2","7","5","1") = "6"
    & skf21("1","2","4","1","2","7","6","1") = "6"
    & skf21("1","2","4","1","2","7","7","1") = "6"
    & skf21("1","2","4","1","3","1","1","1") = "3"
    & skf21("1","2","4","1","3","1","2","1") = "3"
    & skf21("1","2","4","1","3","1","3","1") = "3"
    & skf21("1","2","4","1","3","1","4","1") = "3"
    & skf21("1","2","4","1","3","1","5","1") = "4"
    & skf21("1","2","4","1","3","1","6","1") = "5"
    & skf21("1","2","4","1","3","1","7","1") = "6"
    & skf21("1","2","4","1","3","2","1","1") = "3"
    & skf21("1","2","4","1","3","2","2","1") = "3"
    & skf21("1","2","4","1","3","2","3","1") = "3"
    & skf21("1","2","4","1","3","2","4","1") = "3"
    & skf21("1","2","4","1","3","2","5","1") = "4"
    & skf21("1","2","4","1","3","2","6","1") = "5"
    & skf21("1","2","4","1","3","2","7","1") = "6"
    & skf21("1","2","4","1","3","3","1","1") = "3"
    & skf21("1","2","4","1","3","3","2","1") = "3"
    & skf21("1","2","4","1","3","3","3","1") = "3"
    & skf21("1","2","4","1","3","3","4","1") = "3"
    & skf21("1","2","4","1","3","3","5","1") = "4"
    & skf21("1","2","4","1","3","3","6","1") = "5"
    & skf21("1","2","4","1","3","3","7","1") = "6"
    & skf21("1","2","4","1","3","4","1","1") = "3"
    & skf21("1","2","4","1","3","4","2","1") = "3"
    & skf21("1","2","4","1","3","4","3","1") = "3"
    & skf21("1","2","4","1","3","4","4","1") = "3"
    & skf21("1","2","4","1","3","4","5","1") = "4"
    & skf21("1","2","4","1","3","4","6","1") = "5"
    & skf21("1","2","4","1","3","4","7","1") = "6"
    & skf21("1","2","4","1","3","5","1","1") = "4"
    & skf21("1","2","4","1","3","5","2","1") = "4"
    & skf21("1","2","4","1","3","5","3","1") = "4"
    & skf21("1","2","4","1","3","5","4","1") = "4"
    & skf21("1","2","4","1","3","5","5","1") = "4"
    & skf21("1","2","4","1","3","5","6","1") = "5"
    & skf21("1","2","4","1","3","5","7","1") = "6"
    & skf21("1","2","4","1","3","6","1","1") = "5"
    & skf21("1","2","4","1","3","6","2","1") = "5"
    & skf21("1","2","4","1","3","6","3","1") = "5"
    & skf21("1","2","4","1","3","6","4","1") = "5"
    & skf21("1","2","4","1","3","6","5","1") = "5"
    & skf21("1","2","4","1","3","6","6","1") = "5"
    & skf21("1","2","4","1","3","6","7","1") = "6"
    & skf21("1","2","4","1","3","7","1","1") = "6"
    & skf21("1","2","4","1","3","7","2","1") = "6"
    & skf21("1","2","4","1","3","7","3","1") = "6"
    & skf21("1","2","4","1","3","7","4","1") = "6"
    & skf21("1","2","4","1","3","7","5","1") = "6"
    & skf21("1","2","4","1","3","7","6","1") = "6"
    & skf21("1","2","4","1","3","7","7","1") = "6"
    & skf21("1","2","4","1","4","1","1","1") = "3"
    & skf21("1","2","4","1","4","1","2","1") = "3"
    & skf21("1","2","4","1","4","1","3","1") = "3"
    & skf21("1","2","4","1","4","1","4","1") = "3"
    & skf21("1","2","4","1","4","1","5","1") = "4"
    & skf21("1","2","4","1","4","1","6","1") = "5"
    & skf21("1","2","4","1","4","1","7","1") = "6"
    & skf21("1","2","4","1","4","2","1","1") = "3"
    & skf21("1","2","4","1","4","2","2","1") = "3"
    & skf21("1","2","4","1","4","2","3","1") = "3"
    & skf21("1","2","4","1","4","2","4","1") = "3"
    & skf21("1","2","4","1","4","2","5","1") = "4"
    & skf21("1","2","4","1","4","2","6","1") = "5"
    & skf21("1","2","4","1","4","2","7","1") = "6"
    & skf21("1","2","4","1","4","3","1","1") = "3"
    & skf21("1","2","4","1","4","3","2","1") = "3"
    & skf21("1","2","4","1","4","3","3","1") = "3"
    & skf21("1","2","4","1","4","3","4","1") = "3"
    & skf21("1","2","4","1","4","3","5","1") = "4"
    & skf21("1","2","4","1","4","3","6","1") = "5"
    & skf21("1","2","4","1","4","3","7","1") = "6"
    & skf21("1","2","4","1","4","4","1","1") = "3"
    & skf21("1","2","4","1","4","4","2","1") = "3"
    & skf21("1","2","4","1","4","4","3","1") = "3"
    & skf21("1","2","4","1","4","4","4","1") = "3"
    & skf21("1","2","4","1","4","4","5","1") = "4"
    & skf21("1","2","4","1","4","4","6","1") = "5"
    & skf21("1","2","4","1","4","4","7","1") = "6"
    & skf21("1","2","4","1","4","5","1","1") = "4"
    & skf21("1","2","4","1","4","5","2","1") = "4"
    & skf21("1","2","4","1","4","5","3","1") = "4"
    & skf21("1","2","4","1","4","5","4","1") = "4"
    & skf21("1","2","4","1","4","5","5","1") = "4"
    & skf21("1","2","4","1","4","5","6","1") = "5"
    & skf21("1","2","4","1","4","5","7","1") = "6"
    & skf21("1","2","4","1","4","6","1","1") = "5"
    & skf21("1","2","4","1","4","6","2","1") = "5"
    & skf21("1","2","4","1","4","6","3","1") = "5"
    & skf21("1","2","4","1","4","6","4","1") = "5"
    & skf21("1","2","4","1","4","6","5","1") = "5"
    & skf21("1","2","4","1","4","6","6","1") = "5"
    & skf21("1","2","4","1","4","6","7","1") = "6"
    & skf21("1","2","4","1","4","7","1","1") = "6"
    & skf21("1","2","4","1","4","7","2","1") = "6"
    & skf21("1","2","4","1","4","7","3","1") = "6"
    & skf21("1","2","4","1","4","7","4","1") = "6"
    & skf21("1","2","4","1","4","7","5","1") = "6"
    & skf21("1","2","4","1","4","7","6","1") = "6"
    & skf21("1","2","4","1","4","7","7","1") = "6"
    & skf21("1","2","4","1","5","1","1","1") = "4"
    & skf21("1","2","4","1","5","1","2","1") = "4"
    & skf21("1","2","4","1","5","1","3","1") = "4"
    & skf21("1","2","4","1","5","1","4","1") = "4"
    & skf21("1","2","4","1","5","1","5","1") = "4"
    & skf21("1","2","4","1","5","1","6","1") = "5"
    & skf21("1","2","4","1","5","1","7","1") = "6"
    & skf21("1","2","4","1","5","2","1","1") = "4"
    & skf21("1","2","4","1","5","2","2","1") = "4"
    & skf21("1","2","4","1","5","2","3","1") = "4"
    & skf21("1","2","4","1","5","2","4","1") = "4"
    & skf21("1","2","4","1","5","2","5","1") = "4"
    & skf21("1","2","4","1","5","2","6","1") = "5"
    & skf21("1","2","4","1","5","2","7","1") = "6"
    & skf21("1","2","4","1","5","3","1","1") = "4"
    & skf21("1","2","4","1","5","3","2","1") = "4"
    & skf21("1","2","4","1","5","3","3","1") = "4"
    & skf21("1","2","4","1","5","3","4","1") = "4"
    & skf21("1","2","4","1","5","3","5","1") = "4"
    & skf21("1","2","4","1","5","3","6","1") = "5"
    & skf21("1","2","4","1","5","3","7","1") = "6"
    & skf21("1","2","4","1","5","4","1","1") = "4"
    & skf21("1","2","4","1","5","4","2","1") = "4"
    & skf21("1","2","4","1","5","4","3","1") = "4"
    & skf21("1","2","4","1","5","4","4","1") = "4"
    & skf21("1","2","4","1","5","4","5","1") = "4"
    & skf21("1","2","4","1","5","4","6","1") = "5"
    & skf21("1","2","4","1","5","4","7","1") = "6"
    & skf21("1","2","4","1","5","5","1","1") = "4"
    & skf21("1","2","4","1","5","5","2","1") = "4"
    & skf21("1","2","4","1","5","5","3","1") = "4"
    & skf21("1","2","4","1","5","5","4","1") = "4"
    & skf21("1","2","4","1","5","5","5","1") = "4"
    & skf21("1","2","4","1","5","5","6","1") = "5"
    & skf21("1","2","4","1","5","5","7","1") = "6"
    & skf21("1","2","4","1","5","6","1","1") = "5"
    & skf21("1","2","4","1","5","6","2","1") = "5"
    & skf21("1","2","4","1","5","6","3","1") = "5"
    & skf21("1","2","4","1","5","6","4","1") = "5"
    & skf21("1","2","4","1","5","6","5","1") = "5"
    & skf21("1","2","4","1","5","6","6","1") = "5"
    & skf21("1","2","4","1","5","6","7","1") = "6"
    & skf21("1","2","4","1","5","7","1","1") = "6"
    & skf21("1","2","4","1","5","7","2","1") = "6"
    & skf21("1","2","4","1","5","7","3","1") = "6"
    & skf21("1","2","4","1","5","7","4","1") = "6"
    & skf21("1","2","4","1","5","7","5","1") = "6"
    & skf21("1","2","4","1","5","7","6","1") = "6"
    & skf21("1","2","4","1","5","7","7","1") = "6"
    & skf21("1","2","4","1","6","1","1","1") = "5"
    & skf21("1","2","4","1","6","1","2","1") = "5"
    & skf21("1","2","4","1","6","1","3","1") = "5"
    & skf21("1","2","4","1","6","1","4","1") = "5"
    & skf21("1","2","4","1","6","1","5","1") = "5"
    & skf21("1","2","4","1","6","1","6","1") = "5"
    & skf21("1","2","4","1","6","1","7","1") = "6"
    & skf21("1","2","4","1","6","2","1","1") = "5"
    & skf21("1","2","4","1","6","2","2","1") = "5"
    & skf21("1","2","4","1","6","2","3","1") = "5"
    & skf21("1","2","4","1","6","2","4","1") = "5"
    & skf21("1","2","4","1","6","2","5","1") = "5"
    & skf21("1","2","4","1","6","2","6","1") = "5"
    & skf21("1","2","4","1","6","2","7","1") = "6"
    & skf21("1","2","4","1","6","3","1","1") = "5"
    & skf21("1","2","4","1","6","3","2","1") = "5"
    & skf21("1","2","4","1","6","3","3","1") = "5"
    & skf21("1","2","4","1","6","3","4","1") = "5"
    & skf21("1","2","4","1","6","3","5","1") = "5"
    & skf21("1","2","4","1","6","3","6","1") = "5"
    & skf21("1","2","4","1","6","3","7","1") = "6"
    & skf21("1","2","4","1","6","4","1","1") = "5"
    & skf21("1","2","4","1","6","4","2","1") = "5"
    & skf21("1","2","4","1","6","4","3","1") = "5"
    & skf21("1","2","4","1","6","4","4","1") = "5"
    & skf21("1","2","4","1","6","4","5","1") = "5"
    & skf21("1","2","4","1","6","4","6","1") = "5"
    & skf21("1","2","4","1","6","4","7","1") = "6"
    & skf21("1","2","4","1","6","5","1","1") = "5"
    & skf21("1","2","4","1","6","5","2","1") = "5"
    & skf21("1","2","4","1","6","5","3","1") = "5"
    & skf21("1","2","4","1","6","5","4","1") = "5"
    & skf21("1","2","4","1","6","5","5","1") = "5"
    & skf21("1","2","4","1","6","5","6","1") = "5"
    & skf21("1","2","4","1","6","5","7","1") = "6"
    & skf21("1","2","4","1","6","6","1","1") = "5"
    & skf21("1","2","4","1","6","6","2","1") = "5"
    & skf21("1","2","4","1","6","6","3","1") = "5"
    & skf21("1","2","4","1","6","6","4","1") = "5"
    & skf21("1","2","4","1","6","6","5","1") = "5"
    & skf21("1","2","4","1","6","6","6","1") = "5"
    & skf21("1","2","4","1","6","6","7","1") = "6"
    & skf21("1","2","4","1","6","7","1","1") = "6"
    & skf21("1","2","4","1","6","7","2","1") = "6"
    & skf21("1","2","4","1","6","7","3","1") = "6"
    & skf21("1","2","4","1","6","7","4","1") = "6"
    & skf21("1","2","4","1","6","7","5","1") = "6"
    & skf21("1","2","4","1","6","7","6","1") = "6"
    & skf21("1","2","4","1","6","7","7","1") = "6"
    & skf21("1","2","4","1","7","1","1","1") = "6"
    & skf21("1","2","4","1","7","1","2","1") = "6"
    & skf21("1","2","4","1","7","1","3","1") = "6"
    & skf21("1","2","4","1","7","1","4","1") = "6"
    & skf21("1","2","4","1","7","1","5","1") = "6"
    & skf21("1","2","4","1","7","1","6","1") = "6"
    & skf21("1","2","4","1","7","1","7","1") = "6"
    & skf21("1","2","4","1","7","2","1","1") = "6"
    & skf21("1","2","4","1","7","2","2","1") = "6"
    & skf21("1","2","4","1","7","2","3","1") = "6"
    & skf21("1","2","4","1","7","2","4","1") = "6"
    & skf21("1","2","4","1","7","2","5","1") = "6"
    & skf21("1","2","4","1","7","2","6","1") = "6"
    & skf21("1","2","4","1","7","2","7","1") = "6"
    & skf21("1","2","4","1","7","3","1","1") = "6"
    & skf21("1","2","4","1","7","3","2","1") = "6"
    & skf21("1","2","4","1","7","3","3","1") = "6"
    & skf21("1","2","4","1","7","3","4","1") = "6"
    & skf21("1","2","4","1","7","3","5","1") = "6"
    & skf21("1","2","4","1","7","3","6","1") = "6"
    & skf21("1","2","4","1","7","3","7","1") = "6"
    & skf21("1","2","4","1","7","4","1","1") = "6"
    & skf21("1","2","4","1","7","4","2","1") = "6"
    & skf21("1","2","4","1","7","4","3","1") = "6"
    & skf21("1","2","4","1","7","4","4","1") = "6"
    & skf21("1","2","4","1","7","4","5","1") = "6"
    & skf21("1","2","4","1","7","4","6","1") = "6"
    & skf21("1","2","4","1","7","4","7","1") = "6"
    & skf21("1","2","4","1","7","5","1","1") = "6"
    & skf21("1","2","4","1","7","5","2","1") = "6"
    & skf21("1","2","4","1","7","5","3","1") = "6"
    & skf21("1","2","4","1","7","5","4","1") = "6"
    & skf21("1","2","4","1","7","5","5","1") = "6"
    & skf21("1","2","4","1","7","5","6","1") = "6"
    & skf21("1","2","4","1","7","5","7","1") = "6"
    & skf21("1","2","4","1","7","6","1","1") = "6"
    & skf21("1","2","4","1","7","6","2","1") = "6"
    & skf21("1","2","4","1","7","6","3","1") = "6"
    & skf21("1","2","4","1","7","6","4","1") = "6"
    & skf21("1","2","4","1","7","6","5","1") = "6"
    & skf21("1","2","4","1","7","6","6","1") = "6"
    & skf21("1","2","4","1","7","6","7","1") = "6"
    & skf21("1","2","4","1","7","7","1","1") = "6"
    & skf21("1","2","4","1","7","7","2","1") = "6"
    & skf21("1","2","4","1","7","7","3","1") = "6"
    & skf21("1","2","4","1","7","7","4","1") = "6"
    & skf21("1","2","4","1","7","7","5","1") = "6"
    & skf21("1","2","4","1","7","7","6","1") = "6"
    & skf21("1","2","4","1","7","7","7","1") = "6"
    & skf21("1","2","4","2","1","1","1","1") = "3"
    & skf21("1","2","4","2","1","1","2","1") = "3"
    & skf21("1","2","4","2","1","1","3","1") = "3"
    & skf21("1","2","4","2","1","1","4","1") = "3"
    & skf21("1","2","4","2","1","1","5","1") = "4"
    & skf21("1","2","4","2","1","1","6","1") = "5"
    & skf21("1","2","4","2","1","1","7","1") = "6"
    & skf21("1","2","4","2","1","2","1","1") = "3"
    & skf21("1","2","4","2","1","2","2","1") = "3"
    & skf21("1","2","4","2","1","2","3","1") = "3"
    & skf21("1","2","4","2","1","2","4","1") = "3"
    & skf21("1","2","4","2","1","2","5","1") = "4"
    & skf21("1","2","4","2","1","2","6","1") = "5"
    & skf21("1","2","4","2","1","2","7","1") = "6"
    & skf21("1","2","4","2","1","3","1","1") = "3"
    & skf21("1","2","4","2","1","3","2","1") = "3"
    & skf21("1","2","4","2","1","3","3","1") = "3"
    & skf21("1","2","4","2","1","3","4","1") = "3"
    & skf21("1","2","4","2","1","3","5","1") = "4"
    & skf21("1","2","4","2","1","3","6","1") = "5"
    & skf21("1","2","4","2","1","3","7","1") = "6"
    & skf21("1","2","4","2","1","4","1","1") = "3"
    & skf21("1","2","4","2","1","4","2","1") = "3"
    & skf21("1","2","4","2","1","4","3","1") = "3"
    & skf21("1","2","4","2","1","4","4","1") = "3"
    & skf21("1","2","4","2","1","4","5","1") = "4"
    & skf21("1","2","4","2","1","4","6","1") = "5"
    & skf21("1","2","4","2","1","4","7","1") = "6"
    & skf21("1","2","4","2","1","5","1","1") = "4"
    & skf21("1","2","4","2","1","5","2","1") = "4"
    & skf21("1","2","4","2","1","5","3","1") = "4"
    & skf21("1","2","4","2","1","5","4","1") = "4"
    & skf21("1","2","4","2","1","5","5","1") = "4"
    & skf21("1","2","4","2","1","5","6","1") = "5"
    & skf21("1","2","4","2","1","5","7","1") = "6"
    & skf21("1","2","4","2","1","6","1","1") = "5"
    & skf21("1","2","4","2","1","6","2","1") = "5"
    & skf21("1","2","4","2","1","6","3","1") = "5"
    & skf21("1","2","4","2","1","6","4","1") = "5"
    & skf21("1","2","4","2","1","6","5","1") = "5"
    & skf21("1","2","4","2","1","6","6","1") = "5"
    & skf21("1","2","4","2","1","6","7","1") = "6"
    & skf21("1","2","4","2","1","7","1","1") = "6"
    & skf21("1","2","4","2","1","7","2","1") = "6"
    & skf21("1","2","4","2","1","7","3","1") = "6"
    & skf21("1","2","4","2","1","7","4","1") = "6"
    & skf21("1","2","4","2","1","7","5","1") = "6"
    & skf21("1","2","4","2","1","7","6","1") = "6"
    & skf21("1","2","4","2","1","7","7","1") = "6"
    & skf21("1","2","4","2","2","1","1","1") = "3"
    & skf21("1","2","4","2","2","1","2","1") = "3"
    & skf21("1","2","4","2","2","1","3","1") = "3"
    & skf21("1","2","4","2","2","1","4","1") = "3"
    & skf21("1","2","4","2","2","1","5","1") = "4"
    & skf21("1","2","4","2","2","1","6","1") = "5"
    & skf21("1","2","4","2","2","1","7","1") = "6"
    & skf21("1","2","4","2","2","2","1","1") = "3"
    & skf21("1","2","4","2","2","2","2","1") = "3"
    & skf21("1","2","4","2","2","2","3","1") = "3"
    & skf21("1","2","4","2","2","2","4","1") = "3"
    & skf21("1","2","4","2","2","2","5","1") = "4"
    & skf21("1","2","4","2","2","2","6","1") = "5"
    & skf21("1","2","4","2","2","2","7","1") = "6"
    & skf21("1","2","4","2","2","3","1","1") = "3"
    & skf21("1","2","4","2","2","3","2","1") = "3"
    & skf21("1","2","4","2","2","3","3","1") = "3"
    & skf21("1","2","4","2","2","3","4","1") = "3"
    & skf21("1","2","4","2","2","3","5","1") = "4"
    & skf21("1","2","4","2","2","3","6","1") = "5"
    & skf21("1","2","4","2","2","3","7","1") = "6"
    & skf21("1","2","4","2","2","4","1","1") = "3"
    & skf21("1","2","4","2","2","4","2","1") = "3"
    & skf21("1","2","4","2","2","4","3","1") = "3"
    & skf21("1","2","4","2","2","4","4","1") = "3"
    & skf21("1","2","4","2","2","4","5","1") = "4"
    & skf21("1","2","4","2","2","4","6","1") = "5"
    & skf21("1","2","4","2","2","4","7","1") = "6"
    & skf21("1","2","4","2","2","5","1","1") = "4"
    & skf21("1","2","4","2","2","5","2","1") = "4"
    & skf21("1","2","4","2","2","5","3","1") = "4"
    & skf21("1","2","4","2","2","5","4","1") = "4"
    & skf21("1","2","4","2","2","5","5","1") = "4"
    & skf21("1","2","4","2","2","5","6","1") = "5"
    & skf21("1","2","4","2","2","5","7","1") = "6"
    & skf21("1","2","4","2","2","6","1","1") = "5"
    & skf21("1","2","4","2","2","6","2","1") = "5"
    & skf21("1","2","4","2","2","6","3","1") = "5"
    & skf21("1","2","4","2","2","6","4","1") = "5"
    & skf21("1","2","4","2","2","6","5","1") = "5"
    & skf21("1","2","4","2","2","6","6","1") = "5"
    & skf21("1","2","4","2","2","6","7","1") = "6"
    & skf21("1","2","4","2","2","7","1","1") = "6"
    & skf21("1","2","4","2","2","7","2","1") = "6"
    & skf21("1","2","4","2","2","7","3","1") = "6"
    & skf21("1","2","4","2","2","7","4","1") = "6"
    & skf21("1","2","4","2","2","7","5","1") = "6"
    & skf21("1","2","4","2","2","7","6","1") = "6"
    & skf21("1","2","4","2","2","7","7","1") = "6"
    & skf21("1","2","4","2","3","1","1","1") = "3"
    & skf21("1","2","4","2","3","1","2","1") = "3"
    & skf21("1","2","4","2","3","1","3","1") = "3"
    & skf21("1","2","4","2","3","1","4","1") = "3"
    & skf21("1","2","4","2","3","1","5","1") = "4"
    & skf21("1","2","4","2","3","1","6","1") = "5"
    & skf21("1","2","4","2","3","1","7","1") = "6"
    & skf21("1","2","4","2","3","2","1","1") = "3"
    & skf21("1","2","4","2","3","2","2","1") = "3"
    & skf21("1","2","4","2","3","2","3","1") = "3"
    & skf21("1","2","4","2","3","2","4","1") = "3"
    & skf21("1","2","4","2","3","2","5","1") = "4"
    & skf21("1","2","4","2","3","2","6","1") = "5"
    & skf21("1","2","4","2","3","2","7","1") = "6"
    & skf21("1","2","4","2","3","3","1","1") = "3"
    & skf21("1","2","4","2","3","3","2","1") = "3"
    & skf21("1","2","4","2","3","3","3","1") = "3"
    & skf21("1","2","4","2","3","3","4","1") = "3"
    & skf21("1","2","4","2","3","3","5","1") = "4"
    & skf21("1","2","4","2","3","3","6","1") = "5"
    & skf21("1","2","4","2","3","3","7","1") = "6"
    & skf21("1","2","4","2","3","4","1","1") = "3"
    & skf21("1","2","4","2","3","4","2","1") = "3"
    & skf21("1","2","4","2","3","4","3","1") = "3"
    & skf21("1","2","4","2","3","4","4","1") = "3"
    & skf21("1","2","4","2","3","4","5","1") = "4"
    & skf21("1","2","4","2","3","4","6","1") = "5"
    & skf21("1","2","4","2","3","4","7","1") = "6"
    & skf21("1","2","4","2","3","5","1","1") = "4"
    & skf21("1","2","4","2","3","5","2","1") = "4"
    & skf21("1","2","4","2","3","5","3","1") = "4"
    & skf21("1","2","4","2","3","5","4","1") = "4"
    & skf21("1","2","4","2","3","5","5","1") = "4"
    & skf21("1","2","4","2","3","5","6","1") = "5"
    & skf21("1","2","4","2","3","5","7","1") = "6"
    & skf21("1","2","4","2","3","6","1","1") = "5"
    & skf21("1","2","4","2","3","6","2","1") = "5"
    & skf21("1","2","4","2","3","6","3","1") = "5"
    & skf21("1","2","4","2","3","6","4","1") = "5"
    & skf21("1","2","4","2","3","6","5","1") = "5"
    & skf21("1","2","4","2","3","6","6","1") = "5"
    & skf21("1","2","4","2","3","6","7","1") = "6"
    & skf21("1","2","4","2","3","7","1","1") = "6"
    & skf21("1","2","4","2","3","7","2","1") = "6"
    & skf21("1","2","4","2","3","7","3","1") = "6"
    & skf21("1","2","4","2","3","7","4","1") = "6"
    & skf21("1","2","4","2","3","7","5","1") = "6"
    & skf21("1","2","4","2","3","7","6","1") = "6"
    & skf21("1","2","4","2","3","7","7","1") = "6"
    & skf21("1","2","4","2","4","1","1","1") = "3"
    & skf21("1","2","4","2","4","1","2","1") = "3"
    & skf21("1","2","4","2","4","1","3","1") = "3"
    & skf21("1","2","4","2","4","1","4","1") = "3"
    & skf21("1","2","4","2","4","1","5","1") = "4"
    & skf21("1","2","4","2","4","1","6","1") = "5"
    & skf21("1","2","4","2","4","1","7","1") = "6"
    & skf21("1","2","4","2","4","2","1","1") = "3"
    & skf21("1","2","4","2","4","2","2","1") = "3"
    & skf21("1","2","4","2","4","2","3","1") = "3"
    & skf21("1","2","4","2","4","2","4","1") = "3"
    & skf21("1","2","4","2","4","2","5","1") = "4"
    & skf21("1","2","4","2","4","2","6","1") = "5"
    & skf21("1","2","4","2","4","2","7","1") = "6"
    & skf21("1","2","4","2","4","3","1","1") = "3"
    & skf21("1","2","4","2","4","3","2","1") = "3"
    & skf21("1","2","4","2","4","3","3","1") = "3"
    & skf21("1","2","4","2","4","3","4","1") = "3"
    & skf21("1","2","4","2","4","3","5","1") = "4"
    & skf21("1","2","4","2","4","3","6","1") = "5"
    & skf21("1","2","4","2","4","3","7","1") = "6"
    & skf21("1","2","4","2","4","4","1","1") = "3"
    & skf21("1","2","4","2","4","4","2","1") = "3"
    & skf21("1","2","4","2","4","4","3","1") = "3"
    & skf21("1","2","4","2","4","4","4","1") = "3"
    & skf21("1","2","4","2","4","4","5","1") = "4"
    & skf21("1","2","4","2","4","4","6","1") = "5"
    & skf21("1","2","4","2","4","4","7","1") = "6"
    & skf21("1","2","4","2","4","5","1","1") = "4"
    & skf21("1","2","4","2","4","5","2","1") = "4"
    & skf21("1","2","4","2","4","5","3","1") = "4"
    & skf21("1","2","4","2","4","5","4","1") = "4"
    & skf21("1","2","4","2","4","5","5","1") = "4"
    & skf21("1","2","4","2","4","5","6","1") = "5"
    & skf21("1","2","4","2","4","5","7","1") = "6"
    & skf21("1","2","4","2","4","6","1","1") = "5"
    & skf21("1","2","4","2","4","6","2","1") = "5"
    & skf21("1","2","4","2","4","6","3","1") = "5"
    & skf21("1","2","4","2","4","6","4","1") = "5"
    & skf21("1","2","4","2","4","6","5","1") = "5"
    & skf21("1","2","4","2","4","6","6","1") = "5"
    & skf21("1","2","4","2","4","6","7","1") = "6"
    & skf21("1","2","4","2","4","7","1","1") = "6"
    & skf21("1","2","4","2","4","7","2","1") = "6"
    & skf21("1","2","4","2","4","7","3","1") = "6"
    & skf21("1","2","4","2","4","7","4","1") = "6"
    & skf21("1","2","4","2","4","7","5","1") = "6"
    & skf21("1","2","4","2","4","7","6","1") = "6"
    & skf21("1","2","4","2","4","7","7","1") = "6"
    & skf21("1","2","4","2","5","1","1","1") = "4"
    & skf21("1","2","4","2","5","1","2","1") = "4"
    & skf21("1","2","4","2","5","1","3","1") = "4"
    & skf21("1","2","4","2","5","1","4","1") = "4"
    & skf21("1","2","4","2","5","1","5","1") = "4"
    & skf21("1","2","4","2","5","1","6","1") = "5"
    & skf21("1","2","4","2","5","1","7","1") = "6"
    & skf21("1","2","4","2","5","2","1","1") = "4"
    & skf21("1","2","4","2","5","2","2","1") = "4"
    & skf21("1","2","4","2","5","2","3","1") = "4"
    & skf21("1","2","4","2","5","2","4","1") = "4"
    & skf21("1","2","4","2","5","2","5","1") = "4"
    & skf21("1","2","4","2","5","2","6","1") = "5"
    & skf21("1","2","4","2","5","2","7","1") = "6"
    & skf21("1","2","4","2","5","3","1","1") = "4"
    & skf21("1","2","4","2","5","3","2","1") = "4"
    & skf21("1","2","4","2","5","3","3","1") = "4"
    & skf21("1","2","4","2","5","3","4","1") = "4"
    & skf21("1","2","4","2","5","3","5","1") = "4"
    & skf21("1","2","4","2","5","3","6","1") = "5"
    & skf21("1","2","4","2","5","3","7","1") = "6"
    & skf21("1","2","4","2","5","4","1","1") = "4"
    & skf21("1","2","4","2","5","4","2","1") = "4"
    & skf21("1","2","4","2","5","4","3","1") = "4"
    & skf21("1","2","4","2","5","4","4","1") = "4"
    & skf21("1","2","4","2","5","4","5","1") = "4"
    & skf21("1","2","4","2","5","4","6","1") = "5"
    & skf21("1","2","4","2","5","4","7","1") = "6"
    & skf21("1","2","4","2","5","5","1","1") = "4"
    & skf21("1","2","4","2","5","5","2","1") = "4"
    & skf21("1","2","4","2","5","5","3","1") = "4"
    & skf21("1","2","4","2","5","5","4","1") = "4"
    & skf21("1","2","4","2","5","5","5","1") = "4"
    & skf21("1","2","4","2","5","5","6","1") = "5"
    & skf21("1","2","4","2","5","5","7","1") = "6"
    & skf21("1","2","4","2","5","6","1","1") = "5"
    & skf21("1","2","4","2","5","6","2","1") = "5"
    & skf21("1","2","4","2","5","6","3","1") = "5"
    & skf21("1","2","4","2","5","6","4","1") = "5"
    & skf21("1","2","4","2","5","6","5","1") = "5"
    & skf21("1","2","4","2","5","6","6","1") = "5"
    & skf21("1","2","4","2","5","6","7","1") = "6"
    & skf21("1","2","4","2","5","7","1","1") = "6"
    & skf21("1","2","4","2","5","7","2","1") = "6"
    & skf21("1","2","4","2","5","7","3","1") = "6"
    & skf21("1","2","4","2","5","7","4","1") = "6"
    & skf21("1","2","4","2","5","7","5","1") = "6"
    & skf21("1","2","4","2","5","7","6","1") = "6"
    & skf21("1","2","4","2","5","7","7","1") = "6"
    & skf21("1","2","4","2","6","1","1","1") = "5"
    & skf21("1","2","4","2","6","1","2","1") = "5"
    & skf21("1","2","4","2","6","1","3","1") = "5"
    & skf21("1","2","4","2","6","1","4","1") = "5"
    & skf21("1","2","4","2","6","1","5","1") = "5"
    & skf21("1","2","4","2","6","1","6","1") = "5"
    & skf21("1","2","4","2","6","1","7","1") = "6"
    & skf21("1","2","4","2","6","2","1","1") = "5"
    & skf21("1","2","4","2","6","2","2","1") = "5"
    & skf21("1","2","4","2","6","2","3","1") = "5"
    & skf21("1","2","4","2","6","2","4","1") = "5"
    & skf21("1","2","4","2","6","2","5","1") = "5"
    & skf21("1","2","4","2","6","2","6","1") = "5"
    & skf21("1","2","4","2","6","2","7","1") = "6"
    & skf21("1","2","4","2","6","3","1","1") = "5"
    & skf21("1","2","4","2","6","3","2","1") = "5"
    & skf21("1","2","4","2","6","3","3","1") = "5"
    & skf21("1","2","4","2","6","3","4","1") = "5"
    & skf21("1","2","4","2","6","3","5","1") = "5"
    & skf21("1","2","4","2","6","3","6","1") = "5"
    & skf21("1","2","4","2","6","3","7","1") = "6"
    & skf21("1","2","4","2","6","4","1","1") = "5"
    & skf21("1","2","4","2","6","4","2","1") = "5"
    & skf21("1","2","4","2","6","4","3","1") = "5"
    & skf21("1","2","4","2","6","4","4","1") = "5"
    & skf21("1","2","4","2","6","4","5","1") = "5"
    & skf21("1","2","4","2","6","4","6","1") = "5"
    & skf21("1","2","4","2","6","4","7","1") = "6"
    & skf21("1","2","4","2","6","5","1","1") = "5"
    & skf21("1","2","4","2","6","5","2","1") = "5"
    & skf21("1","2","4","2","6","5","3","1") = "5"
    & skf21("1","2","4","2","6","5","4","1") = "5"
    & skf21("1","2","4","2","6","5","5","1") = "5"
    & skf21("1","2","4","2","6","5","6","1") = "5"
    & skf21("1","2","4","2","6","5","7","1") = "6"
    & skf21("1","2","4","2","6","6","1","1") = "5"
    & skf21("1","2","4","2","6","6","2","1") = "5"
    & skf21("1","2","4","2","6","6","3","1") = "5"
    & skf21("1","2","4","2","6","6","4","1") = "5"
    & skf21("1","2","4","2","6","6","5","1") = "5"
    & skf21("1","2","4","2","6","6","6","1") = "5"
    & skf21("1","2","4","2","6","6","7","1") = "6"
    & skf21("1","2","4","2","6","7","1","1") = "6"
    & skf21("1","2","4","2","6","7","2","1") = "6"
    & skf21("1","2","4","2","6","7","3","1") = "6"
    & skf21("1","2","4","2","6","7","4","1") = "6"
    & skf21("1","2","4","2","6","7","5","1") = "6"
    & skf21("1","2","4","2","6","7","6","1") = "6"
    & skf21("1","2","4","2","6","7","7","1") = "6"
    & skf21("1","2","4","2","7","1","1","1") = "6"
    & skf21("1","2","4","2","7","1","2","1") = "6"
    & skf21("1","2","4","2","7","1","3","1") = "6"
    & skf21("1","2","4","2","7","1","4","1") = "6"
    & skf21("1","2","4","2","7","1","5","1") = "6"
    & skf21("1","2","4","2","7","1","6","1") = "6"
    & skf21("1","2","4","2","7","1","7","1") = "6"
    & skf21("1","2","4","2","7","2","1","1") = "6"
    & skf21("1","2","4","2","7","2","2","1") = "6"
    & skf21("1","2","4","2","7","2","3","1") = "6"
    & skf21("1","2","4","2","7","2","4","1") = "6"
    & skf21("1","2","4","2","7","2","5","1") = "6"
    & skf21("1","2","4","2","7","2","6","1") = "6"
    & skf21("1","2","4","2","7","2","7","1") = "6"
    & skf21("1","2","4","2","7","3","1","1") = "6"
    & skf21("1","2","4","2","7","3","2","1") = "6"
    & skf21("1","2","4","2","7","3","3","1") = "6"
    & skf21("1","2","4","2","7","3","4","1") = "6"
    & skf21("1","2","4","2","7","3","5","1") = "6"
    & skf21("1","2","4","2","7","3","6","1") = "6"
    & skf21("1","2","4","2","7","3","7","1") = "6"
    & skf21("1","2","4","2","7","4","1","1") = "6"
    & skf21("1","2","4","2","7","4","2","1") = "6"
    & skf21("1","2","4","2","7","4","3","1") = "6"
    & skf21("1","2","4","2","7","4","4","1") = "6"
    & skf21("1","2","4","2","7","4","5","1") = "6"
    & skf21("1","2","4","2","7","4","6","1") = "6"
    & skf21("1","2","4","2","7","4","7","1") = "6"
    & skf21("1","2","4","2","7","5","1","1") = "6"
    & skf21("1","2","4","2","7","5","2","1") = "6"
    & skf21("1","2","4","2","7","5","3","1") = "6"
    & skf21("1","2","4","2","7","5","4","1") = "6"
    & skf21("1","2","4","2","7","5","5","1") = "6"
    & skf21("1","2","4","2","7","5","6","1") = "6"
    & skf21("1","2","4","2","7","5","7","1") = "6"
    & skf21("1","2","4","2","7","6","1","1") = "6"
    & skf21("1","2","4","2","7","6","2","1") = "6"
    & skf21("1","2","4","2","7","6","3","1") = "6"
    & skf21("1","2","4","2","7","6","4","1") = "6"
    & skf21("1","2","4","2","7","6","5","1") = "6"
    & skf21("1","2","4","2","7","6","6","1") = "6"
    & skf21("1","2","4","2","7","6","7","1") = "6"
    & skf21("1","2","4","2","7","7","1","1") = "6"
    & skf21("1","2","4","2","7","7","2","1") = "6"
    & skf21("1","2","4","2","7","7","3","1") = "6"
    & skf21("1","2","4","2","7","7","4","1") = "6"
    & skf21("1","2","4","2","7","7","5","1") = "6"
    & skf21("1","2","4","2","7","7","6","1") = "6"
    & skf21("1","2","4","2","7","7","7","1") = "6"
    & skf21("1","2","4","3","1","1","1","1") = "3"
    & skf21("1","2","4","3","1","1","2","1") = "3"
    & skf21("1","2","4","3","1","1","3","1") = "3"
    & skf21("1","2","4","3","1","1","4","1") = "3"
    & skf21("1","2","4","3","1","1","5","1") = "4"
    & skf21("1","2","4","3","1","1","6","1") = "5"
    & skf21("1","2","4","3","1","1","7","1") = "6"
    & skf21("1","2","4","3","1","2","1","1") = "3"
    & skf21("1","2","4","3","1","2","2","1") = "3"
    & skf21("1","2","4","3","1","2","3","1") = "3"
    & skf21("1","2","4","3","1","2","4","1") = "3"
    & skf21("1","2","4","3","1","2","5","1") = "4"
    & skf21("1","2","4","3","1","2","6","1") = "5"
    & skf21("1","2","4","3","1","2","7","1") = "6"
    & skf21("1","2","4","3","1","3","1","1") = "3"
    & skf21("1","2","4","3","1","3","2","1") = "3"
    & skf21("1","2","4","3","1","3","3","1") = "3"
    & skf21("1","2","4","3","1","3","4","1") = "3"
    & skf21("1","2","4","3","1","3","5","1") = "4"
    & skf21("1","2","4","3","1","3","6","1") = "5"
    & skf21("1","2","4","3","1","3","7","1") = "6"
    & skf21("1","2","4","3","1","4","1","1") = "3"
    & skf21("1","2","4","3","1","4","2","1") = "3"
    & skf21("1","2","4","3","1","4","3","1") = "3"
    & skf21("1","2","4","3","1","4","4","1") = "3"
    & skf21("1","2","4","3","1","4","5","1") = "4"
    & skf21("1","2","4","3","1","4","6","1") = "5"
    & skf21("1","2","4","3","1","4","7","1") = "6"
    & skf21("1","2","4","3","1","5","1","1") = "4"
    & skf21("1","2","4","3","1","5","2","1") = "4"
    & skf21("1","2","4","3","1","5","3","1") = "4"
    & skf21("1","2","4","3","1","5","4","1") = "4"
    & skf21("1","2","4","3","1","5","5","1") = "4"
    & skf21("1","2","4","3","1","5","6","1") = "5"
    & skf21("1","2","4","3","1","5","7","1") = "6"
    & skf21("1","2","4","3","1","6","1","1") = "5"
    & skf21("1","2","4","3","1","6","2","1") = "5"
    & skf21("1","2","4","3","1","6","3","1") = "5"
    & skf21("1","2","4","3","1","6","4","1") = "5"
    & skf21("1","2","4","3","1","6","5","1") = "5"
    & skf21("1","2","4","3","1","6","6","1") = "5"
    & skf21("1","2","4","3","1","6","7","1") = "6"
    & skf21("1","2","4","3","1","7","1","1") = "6"
    & skf21("1","2","4","3","1","7","2","1") = "6"
    & skf21("1","2","4","3","1","7","3","1") = "6"
    & skf21("1","2","4","3","1","7","4","1") = "6"
    & skf21("1","2","4","3","1","7","5","1") = "6"
    & skf21("1","2","4","3","1","7","6","1") = "6"
    & skf21("1","2","4","3","1","7","7","1") = "6"
    & skf21("1","2","4","3","2","1","1","1") = "3"
    & skf21("1","2","4","3","2","1","2","1") = "3"
    & skf21("1","2","4","3","2","1","3","1") = "3"
    & skf21("1","2","4","3","2","1","4","1") = "3"
    & skf21("1","2","4","3","2","1","5","1") = "4"
    & skf21("1","2","4","3","2","1","6","1") = "5"
    & skf21("1","2","4","3","2","1","7","1") = "6"
    & skf21("1","2","4","3","2","2","1","1") = "3"
    & skf21("1","2","4","3","2","2","2","1") = "3"
    & skf21("1","2","4","3","2","2","3","1") = "3"
    & skf21("1","2","4","3","2","2","4","1") = "3"
    & skf21("1","2","4","3","2","2","5","1") = "4"
    & skf21("1","2","4","3","2","2","6","1") = "5"
    & skf21("1","2","4","3","2","2","7","1") = "6"
    & skf21("1","2","4","3","2","3","1","1") = "3"
    & skf21("1","2","4","3","2","3","2","1") = "3"
    & skf21("1","2","4","3","2","3","3","1") = "3"
    & skf21("1","2","4","3","2","3","4","1") = "3"
    & skf21("1","2","4","3","2","3","5","1") = "4"
    & skf21("1","2","4","3","2","3","6","1") = "5"
    & skf21("1","2","4","3","2","3","7","1") = "6"
    & skf21("1","2","4","3","2","4","1","1") = "3"
    & skf21("1","2","4","3","2","4","2","1") = "3"
    & skf21("1","2","4","3","2","4","3","1") = "3"
    & skf21("1","2","4","3","2","4","4","1") = "3"
    & skf21("1","2","4","3","2","4","5","1") = "4"
    & skf21("1","2","4","3","2","4","6","1") = "5"
    & skf21("1","2","4","3","2","4","7","1") = "6"
    & skf21("1","2","4","3","2","5","1","1") = "4"
    & skf21("1","2","4","3","2","5","2","1") = "4"
    & skf21("1","2","4","3","2","5","3","1") = "4"
    & skf21("1","2","4","3","2","5","4","1") = "4"
    & skf21("1","2","4","3","2","5","5","1") = "4"
    & skf21("1","2","4","3","2","5","6","1") = "5"
    & skf21("1","2","4","3","2","5","7","1") = "6"
    & skf21("1","2","4","3","2","6","1","1") = "5"
    & skf21("1","2","4","3","2","6","2","1") = "5"
    & skf21("1","2","4","3","2","6","3","1") = "5"
    & skf21("1","2","4","3","2","6","4","1") = "5"
    & skf21("1","2","4","3","2","6","5","1") = "5"
    & skf21("1","2","4","3","2","6","6","1") = "5"
    & skf21("1","2","4","3","2","6","7","1") = "6"
    & skf21("1","2","4","3","2","7","1","1") = "6"
    & skf21("1","2","4","3","2","7","2","1") = "6"
    & skf21("1","2","4","3","2","7","3","1") = "6"
    & skf21("1","2","4","3","2","7","4","1") = "6"
    & skf21("1","2","4","3","2","7","5","1") = "6"
    & skf21("1","2","4","3","2","7","6","1") = "6"
    & skf21("1","2","4","3","2","7","7","1") = "6"
    & skf21("1","2","4","3","3","1","1","1") = "3"
    & skf21("1","2","4","3","3","1","2","1") = "3"
    & skf21("1","2","4","3","3","1","3","1") = "3"
    & skf21("1","2","4","3","3","1","4","1") = "3"
    & skf21("1","2","4","3","3","1","5","1") = "4"
    & skf21("1","2","4","3","3","1","6","1") = "5"
    & skf21("1","2","4","3","3","1","7","1") = "6"
    & skf21("1","2","4","3","3","2","1","1") = "3"
    & skf21("1","2","4","3","3","2","2","1") = "3"
    & skf21("1","2","4","3","3","2","3","1") = "3"
    & skf21("1","2","4","3","3","2","4","1") = "3"
    & skf21("1","2","4","3","3","2","5","1") = "4"
    & skf21("1","2","4","3","3","2","6","1") = "5"
    & skf21("1","2","4","3","3","2","7","1") = "6"
    & skf21("1","2","4","3","3","3","1","1") = "3"
    & skf21("1","2","4","3","3","3","2","1") = "3"
    & skf21("1","2","4","3","3","3","3","1") = "3"
    & skf21("1","2","4","3","3","3","4","1") = "3"
    & skf21("1","2","4","3","3","3","5","1") = "4"
    & skf21("1","2","4","3","3","3","6","1") = "5"
    & skf21("1","2","4","3","3","3","7","1") = "6"
    & skf21("1","2","4","3","3","4","1","1") = "3"
    & skf21("1","2","4","3","3","4","2","1") = "3"
    & skf21("1","2","4","3","3","4","3","1") = "3"
    & skf21("1","2","4","3","3","4","4","1") = "3"
    & skf21("1","2","4","3","3","4","5","1") = "4"
    & skf21("1","2","4","3","3","4","6","1") = "5"
    & skf21("1","2","4","3","3","4","7","1") = "6"
    & skf21("1","2","4","3","3","5","1","1") = "4"
    & skf21("1","2","4","3","3","5","2","1") = "4"
    & skf21("1","2","4","3","3","5","3","1") = "4"
    & skf21("1","2","4","3","3","5","4","1") = "4"
    & skf21("1","2","4","3","3","5","5","1") = "4"
    & skf21("1","2","4","3","3","5","6","1") = "5"
    & skf21("1","2","4","3","3","5","7","1") = "6"
    & skf21("1","2","4","3","3","6","1","1") = "5"
    & skf21("1","2","4","3","3","6","2","1") = "5"
    & skf21("1","2","4","3","3","6","3","1") = "5"
    & skf21("1","2","4","3","3","6","4","1") = "5"
    & skf21("1","2","4","3","3","6","5","1") = "5"
    & skf21("1","2","4","3","3","6","6","1") = "5"
    & skf21("1","2","4","3","3","6","7","1") = "6"
    & skf21("1","2","4","3","3","7","1","1") = "6"
    & skf21("1","2","4","3","3","7","2","1") = "6"
    & skf21("1","2","4","3","3","7","3","1") = "6"
    & skf21("1","2","4","3","3","7","4","1") = "6"
    & skf21("1","2","4","3","3","7","5","1") = "6"
    & skf21("1","2","4","3","3","7","6","1") = "6"
    & skf21("1","2","4","3","3","7","7","1") = "6"
    & skf21("1","2","4","3","4","1","1","1") = "3"
    & skf21("1","2","4","3","4","1","2","1") = "3"
    & skf21("1","2","4","3","4","1","3","1") = "3"
    & skf21("1","2","4","3","4","1","4","1") = "3"
    & skf21("1","2","4","3","4","1","5","1") = "4"
    & skf21("1","2","4","3","4","1","6","1") = "5"
    & skf21("1","2","4","3","4","1","7","1") = "6"
    & skf21("1","2","4","3","4","2","1","1") = "3"
    & skf21("1","2","4","3","4","2","2","1") = "3"
    & skf21("1","2","4","3","4","2","3","1") = "3"
    & skf21("1","2","4","3","4","2","4","1") = "3"
    & skf21("1","2","4","3","4","2","5","1") = "4"
    & skf21("1","2","4","3","4","2","6","1") = "5"
    & skf21("1","2","4","3","4","2","7","1") = "6"
    & skf21("1","2","4","3","4","3","1","1") = "3"
    & skf21("1","2","4","3","4","3","2","1") = "3"
    & skf21("1","2","4","3","4","3","3","1") = "3"
    & skf21("1","2","4","3","4","3","4","1") = "3"
    & skf21("1","2","4","3","4","3","5","1") = "4"
    & skf21("1","2","4","3","4","3","6","1") = "5"
    & skf21("1","2","4","3","4","3","7","1") = "6"
    & skf21("1","2","4","3","4","4","1","1") = "3"
    & skf21("1","2","4","3","4","4","2","1") = "3"
    & skf21("1","2","4","3","4","4","3","1") = "3"
    & skf21("1","2","4","3","4","4","4","1") = "3"
    & skf21("1","2","4","3","4","4","5","1") = "4"
    & skf21("1","2","4","3","4","4","6","1") = "5"
    & skf21("1","2","4","3","4","4","7","1") = "6"
    & skf21("1","2","4","3","4","5","1","1") = "4"
    & skf21("1","2","4","3","4","5","2","1") = "4"
    & skf21("1","2","4","3","4","5","3","1") = "4"
    & skf21("1","2","4","3","4","5","4","1") = "4"
    & skf21("1","2","4","3","4","5","5","1") = "4"
    & skf21("1","2","4","3","4","5","6","1") = "5"
    & skf21("1","2","4","3","4","5","7","1") = "6"
    & skf21("1","2","4","3","4","6","1","1") = "5"
    & skf21("1","2","4","3","4","6","2","1") = "5"
    & skf21("1","2","4","3","4","6","3","1") = "5"
    & skf21("1","2","4","3","4","6","4","1") = "5"
    & skf21("1","2","4","3","4","6","5","1") = "5"
    & skf21("1","2","4","3","4","6","6","1") = "5"
    & skf21("1","2","4","3","4","6","7","1") = "6"
    & skf21("1","2","4","3","4","7","1","1") = "6"
    & skf21("1","2","4","3","4","7","2","1") = "6"
    & skf21("1","2","4","3","4","7","3","1") = "6"
    & skf21("1","2","4","3","4","7","4","1") = "6"
    & skf21("1","2","4","3","4","7","5","1") = "6"
    & skf21("1","2","4","3","4","7","6","1") = "6"
    & skf21("1","2","4","3","4","7","7","1") = "6"
    & skf21("1","2","4","3","5","1","1","1") = "4"
    & skf21("1","2","4","3","5","1","2","1") = "4"
    & skf21("1","2","4","3","5","1","3","1") = "4"
    & skf21("1","2","4","3","5","1","4","1") = "4"
    & skf21("1","2","4","3","5","1","5","1") = "4"
    & skf21("1","2","4","3","5","1","6","1") = "5"
    & skf21("1","2","4","3","5","1","7","1") = "6"
    & skf21("1","2","4","3","5","2","1","1") = "4"
    & skf21("1","2","4","3","5","2","2","1") = "4"
    & skf21("1","2","4","3","5","2","3","1") = "4"
    & skf21("1","2","4","3","5","2","4","1") = "4"
    & skf21("1","2","4","3","5","2","5","1") = "4"
    & skf21("1","2","4","3","5","2","6","1") = "5"
    & skf21("1","2","4","3","5","2","7","1") = "6"
    & skf21("1","2","4","3","5","3","1","1") = "4"
    & skf21("1","2","4","3","5","3","2","1") = "4"
    & skf21("1","2","4","3","5","3","3","1") = "4"
    & skf21("1","2","4","3","5","3","4","1") = "4"
    & skf21("1","2","4","3","5","3","5","1") = "4"
    & skf21("1","2","4","3","5","3","6","1") = "5"
    & skf21("1","2","4","3","5","3","7","1") = "6"
    & skf21("1","2","4","3","5","4","1","1") = "4"
    & skf21("1","2","4","3","5","4","2","1") = "4"
    & skf21("1","2","4","3","5","4","3","1") = "4"
    & skf21("1","2","4","3","5","4","4","1") = "4"
    & skf21("1","2","4","3","5","4","5","1") = "4"
    & skf21("1","2","4","3","5","4","6","1") = "5"
    & skf21("1","2","4","3","5","4","7","1") = "6"
    & skf21("1","2","4","3","5","5","1","1") = "4"
    & skf21("1","2","4","3","5","5","2","1") = "4"
    & skf21("1","2","4","3","5","5","3","1") = "4"
    & skf21("1","2","4","3","5","5","4","1") = "4"
    & skf21("1","2","4","3","5","5","5","1") = "4"
    & skf21("1","2","4","3","5","5","6","1") = "5"
    & skf21("1","2","4","3","5","5","7","1") = "6"
    & skf21("1","2","4","3","5","6","1","1") = "5"
    & skf21("1","2","4","3","5","6","2","1") = "5"
    & skf21("1","2","4","3","5","6","3","1") = "5"
    & skf21("1","2","4","3","5","6","4","1") = "5"
    & skf21("1","2","4","3","5","6","5","1") = "5"
    & skf21("1","2","4","3","5","6","6","1") = "5"
    & skf21("1","2","4","3","5","6","7","1") = "6"
    & skf21("1","2","4","3","5","7","1","1") = "6"
    & skf21("1","2","4","3","5","7","2","1") = "6"
    & skf21("1","2","4","3","5","7","3","1") = "6"
    & skf21("1","2","4","3","5","7","4","1") = "6"
    & skf21("1","2","4","3","5","7","5","1") = "6"
    & skf21("1","2","4","3","5","7","6","1") = "6"
    & skf21("1","2","4","3","5","7","7","1") = "6"
    & skf21("1","2","4","3","6","1","1","1") = "5"
    & skf21("1","2","4","3","6","1","2","1") = "5"
    & skf21("1","2","4","3","6","1","3","1") = "5"
    & skf21("1","2","4","3","6","1","4","1") = "5"
    & skf21("1","2","4","3","6","1","5","1") = "5"
    & skf21("1","2","4","3","6","1","6","1") = "5"
    & skf21("1","2","4","3","6","1","7","1") = "6"
    & skf21("1","2","4","3","6","2","1","1") = "5"
    & skf21("1","2","4","3","6","2","2","1") = "5"
    & skf21("1","2","4","3","6","2","3","1") = "5"
    & skf21("1","2","4","3","6","2","4","1") = "5"
    & skf21("1","2","4","3","6","2","5","1") = "5"
    & skf21("1","2","4","3","6","2","6","1") = "5"
    & skf21("1","2","4","3","6","2","7","1") = "6"
    & skf21("1","2","4","3","6","3","1","1") = "5"
    & skf21("1","2","4","3","6","3","2","1") = "5"
    & skf21("1","2","4","3","6","3","3","1") = "5"
    & skf21("1","2","4","3","6","3","4","1") = "5"
    & skf21("1","2","4","3","6","3","5","1") = "5"
    & skf21("1","2","4","3","6","3","6","1") = "5"
    & skf21("1","2","4","3","6","3","7","1") = "6"
    & skf21("1","2","4","3","6","4","1","1") = "5"
    & skf21("1","2","4","3","6","4","2","1") = "5"
    & skf21("1","2","4","3","6","4","3","1") = "5"
    & skf21("1","2","4","3","6","4","4","1") = "5"
    & skf21("1","2","4","3","6","4","5","1") = "5"
    & skf21("1","2","4","3","6","4","6","1") = "5"
    & skf21("1","2","4","3","6","4","7","1") = "6"
    & skf21("1","2","4","3","6","5","1","1") = "5"
    & skf21("1","2","4","3","6","5","2","1") = "5"
    & skf21("1","2","4","3","6","5","3","1") = "5"
    & skf21("1","2","4","3","6","5","4","1") = "5"
    & skf21("1","2","4","3","6","5","5","1") = "5"
    & skf21("1","2","4","3","6","5","6","1") = "5"
    & skf21("1","2","4","3","6","5","7","1") = "6"
    & skf21("1","2","4","3","6","6","1","1") = "5"
    & skf21("1","2","4","3","6","6","2","1") = "5"
    & skf21("1","2","4","3","6","6","3","1") = "5"
    & skf21("1","2","4","3","6","6","4","1") = "5"
    & skf21("1","2","4","3","6","6","5","1") = "5"
    & skf21("1","2","4","3","6","6","6","1") = "5"
    & skf21("1","2","4","3","6","6","7","1") = "6"
    & skf21("1","2","4","3","6","7","1","1") = "6"
    & skf21("1","2","4","3","6","7","2","1") = "6"
    & skf21("1","2","4","3","6","7","3","1") = "6"
    & skf21("1","2","4","3","6","7","4","1") = "6"
    & skf21("1","2","4","3","6","7","5","1") = "6"
    & skf21("1","2","4","3","6","7","6","1") = "6"
    & skf21("1","2","4","3","6","7","7","1") = "6"
    & skf21("1","2","4","3","7","1","1","1") = "6"
    & skf21("1","2","4","3","7","1","2","1") = "6"
    & skf21("1","2","4","3","7","1","3","1") = "6"
    & skf21("1","2","4","3","7","1","4","1") = "6"
    & skf21("1","2","4","3","7","1","5","1") = "6"
    & skf21("1","2","4","3","7","1","6","1") = "6"
    & skf21("1","2","4","3","7","1","7","1") = "6"
    & skf21("1","2","4","3","7","2","1","1") = "6"
    & skf21("1","2","4","3","7","2","2","1") = "6"
    & skf21("1","2","4","3","7","2","3","1") = "6"
    & skf21("1","2","4","3","7","2","4","1") = "6"
    & skf21("1","2","4","3","7","2","5","1") = "6"
    & skf21("1","2","4","3","7","2","6","1") = "6"
    & skf21("1","2","4","3","7","2","7","1") = "6"
    & skf21("1","2","4","3","7","3","1","1") = "6"
    & skf21("1","2","4","3","7","3","2","1") = "6"
    & skf21("1","2","4","3","7","3","3","1") = "6"
    & skf21("1","2","4","3","7","3","4","1") = "6"
    & skf21("1","2","4","3","7","3","5","1") = "6"
    & skf21("1","2","4","3","7","3","6","1") = "6"
    & skf21("1","2","4","3","7","3","7","1") = "6"
    & skf21("1","2","4","3","7","4","1","1") = "6"
    & skf21("1","2","4","3","7","4","2","1") = "6"
    & skf21("1","2","4","3","7","4","3","1") = "6"
    & skf21("1","2","4","3","7","4","4","1") = "6"
    & skf21("1","2","4","3","7","4","5","1") = "6"
    & skf21("1","2","4","3","7","4","6","1") = "6"
    & skf21("1","2","4","3","7","4","7","1") = "6"
    & skf21("1","2","4","3","7","5","1","1") = "6"
    & skf21("1","2","4","3","7","5","2","1") = "6"
    & skf21("1","2","4","3","7","5","3","1") = "6"
    & skf21("1","2","4","3","7","5","4","1") = "6"
    & skf21("1","2","4","3","7","5","5","1") = "6"
    & skf21("1","2","4","3","7","5","6","1") = "6"
    & skf21("1","2","4","3","7","5","7","1") = "6"
    & skf21("1","2","4","3","7","6","1","1") = "6"
    & skf21("1","2","4","3","7","6","2","1") = "6"
    & skf21("1","2","4","3","7","6","3","1") = "6"
    & skf21("1","2","4","3","7","6","4","1") = "6"
    & skf21("1","2","4","3","7","6","5","1") = "6"
    & skf21("1","2","4","3","7","6","6","1") = "6"
    & skf21("1","2","4","3","7","6","7","1") = "6"
    & skf21("1","2","4","3","7","7","1","1") = "6"
    & skf21("1","2","4","3","7","7","2","1") = "6"
    & skf21("1","2","4","3","7","7","3","1") = "6"
    & skf21("1","2","4","3","7","7","4","1") = "6"
    & skf21("1","2","4","3","7","7","5","1") = "6"
    & skf21("1","2","4","3","7","7","6","1") = "6"
    & skf21("1","2","4","3","7","7","7","1") = "6"
    & skf21("1","2","4","4","1","1","1","1") = "3"
    & skf21("1","2","4","4","1","1","2","1") = "3"
    & skf21("1","2","4","4","1","1","3","1") = "3"
    & skf21("1","2","4","4","1","1","4","1") = "3"
    & skf21("1","2","4","4","1","1","5","1") = "4"
    & skf21("1","2","4","4","1","1","6","1") = "5"
    & skf21("1","2","4","4","1","1","7","1") = "6"
    & skf21("1","2","4","4","1","2","1","1") = "3"
    & skf21("1","2","4","4","1","2","2","1") = "3"
    & skf21("1","2","4","4","1","2","3","1") = "3"
    & skf21("1","2","4","4","1","2","4","1") = "3"
    & skf21("1","2","4","4","1","2","5","1") = "4"
    & skf21("1","2","4","4","1","2","6","1") = "5"
    & skf21("1","2","4","4","1","2","7","1") = "6"
    & skf21("1","2","4","4","1","3","1","1") = "3"
    & skf21("1","2","4","4","1","3","2","1") = "3"
    & skf21("1","2","4","4","1","3","3","1") = "3"
    & skf21("1","2","4","4","1","3","4","1") = "3"
    & skf21("1","2","4","4","1","3","5","1") = "4"
    & skf21("1","2","4","4","1","3","6","1") = "5"
    & skf21("1","2","4","4","1","3","7","1") = "6"
    & skf21("1","2","4","4","1","4","1","1") = "3"
    & skf21("1","2","4","4","1","4","2","1") = "3"
    & skf21("1","2","4","4","1","4","3","1") = "3"
    & skf21("1","2","4","4","1","4","4","1") = "3"
    & skf21("1","2","4","4","1","4","5","1") = "4"
    & skf21("1","2","4","4","1","4","6","1") = "5"
    & skf21("1","2","4","4","1","4","7","1") = "6"
    & skf21("1","2","4","4","1","5","1","1") = "4"
    & skf21("1","2","4","4","1","5","2","1") = "4"
    & skf21("1","2","4","4","1","5","3","1") = "4"
    & skf21("1","2","4","4","1","5","4","1") = "4"
    & skf21("1","2","4","4","1","5","5","1") = "4"
    & skf21("1","2","4","4","1","5","6","1") = "5"
    & skf21("1","2","4","4","1","5","7","1") = "6"
    & skf21("1","2","4","4","1","6","1","1") = "5"
    & skf21("1","2","4","4","1","6","2","1") = "5"
    & skf21("1","2","4","4","1","6","3","1") = "5"
    & skf21("1","2","4","4","1","6","4","1") = "5"
    & skf21("1","2","4","4","1","6","5","1") = "5"
    & skf21("1","2","4","4","1","6","6","1") = "5"
    & skf21("1","2","4","4","1","6","7","1") = "6"
    & skf21("1","2","4","4","1","7","1","1") = "6"
    & skf21("1","2","4","4","1","7","2","1") = "6"
    & skf21("1","2","4","4","1","7","3","1") = "6"
    & skf21("1","2","4","4","1","7","4","1") = "6"
    & skf21("1","2","4","4","1","7","5","1") = "6"
    & skf21("1","2","4","4","1","7","6","1") = "6"
    & skf21("1","2","4","4","1","7","7","1") = "6"
    & skf21("1","2","4","4","2","1","1","1") = "3"
    & skf21("1","2","4","4","2","1","2","1") = "3"
    & skf21("1","2","4","4","2","1","3","1") = "3"
    & skf21("1","2","4","4","2","1","4","1") = "3"
    & skf21("1","2","4","4","2","1","5","1") = "4"
    & skf21("1","2","4","4","2","1","6","1") = "5"
    & skf21("1","2","4","4","2","1","7","1") = "6"
    & skf21("1","2","4","4","2","2","1","1") = "3"
    & skf21("1","2","4","4","2","2","2","1") = "3"
    & skf21("1","2","4","4","2","2","3","1") = "3"
    & skf21("1","2","4","4","2","2","4","1") = "3"
    & skf21("1","2","4","4","2","2","5","1") = "4"
    & skf21("1","2","4","4","2","2","6","1") = "5"
    & skf21("1","2","4","4","2","2","7","1") = "6"
    & skf21("1","2","4","4","2","3","1","1") = "3"
    & skf21("1","2","4","4","2","3","2","1") = "3"
    & skf21("1","2","4","4","2","3","3","1") = "3"
    & skf21("1","2","4","4","2","3","4","1") = "3"
    & skf21("1","2","4","4","2","3","5","1") = "4"
    & skf21("1","2","4","4","2","3","6","1") = "5"
    & skf21("1","2","4","4","2","3","7","1") = "6"
    & skf21("1","2","4","4","2","4","1","1") = "3"
    & skf21("1","2","4","4","2","4","2","1") = "3"
    & skf21("1","2","4","4","2","4","3","1") = "3"
    & skf21("1","2","4","4","2","4","4","1") = "3"
    & skf21("1","2","4","4","2","4","5","1") = "4"
    & skf21("1","2","4","4","2","4","6","1") = "5"
    & skf21("1","2","4","4","2","4","7","1") = "6"
    & skf21("1","2","4","4","2","5","1","1") = "4"
    & skf21("1","2","4","4","2","5","2","1") = "4"
    & skf21("1","2","4","4","2","5","3","1") = "4"
    & skf21("1","2","4","4","2","5","4","1") = "4"
    & skf21("1","2","4","4","2","5","5","1") = "4"
    & skf21("1","2","4","4","2","5","6","1") = "5"
    & skf21("1","2","4","4","2","5","7","1") = "6"
    & skf21("1","2","4","4","2","6","1","1") = "5"
    & skf21("1","2","4","4","2","6","2","1") = "5"
    & skf21("1","2","4","4","2","6","3","1") = "5"
    & skf21("1","2","4","4","2","6","4","1") = "5"
    & skf21("1","2","4","4","2","6","5","1") = "5"
    & skf21("1","2","4","4","2","6","6","1") = "5"
    & skf21("1","2","4","4","2","6","7","1") = "6"
    & skf21("1","2","4","4","2","7","1","1") = "6"
    & skf21("1","2","4","4","2","7","2","1") = "6"
    & skf21("1","2","4","4","2","7","3","1") = "6"
    & skf21("1","2","4","4","2","7","4","1") = "6"
    & skf21("1","2","4","4","2","7","5","1") = "6"
    & skf21("1","2","4","4","2","7","6","1") = "6"
    & skf21("1","2","4","4","2","7","7","1") = "6"
    & skf21("1","2","4","4","3","1","1","1") = "3"
    & skf21("1","2","4","4","3","1","2","1") = "3"
    & skf21("1","2","4","4","3","1","3","1") = "3"
    & skf21("1","2","4","4","3","1","4","1") = "3"
    & skf21("1","2","4","4","3","1","5","1") = "4"
    & skf21("1","2","4","4","3","1","6","1") = "5"
    & skf21("1","2","4","4","3","1","7","1") = "6"
    & skf21("1","2","4","4","3","2","1","1") = "3"
    & skf21("1","2","4","4","3","2","2","1") = "3"
    & skf21("1","2","4","4","3","2","3","1") = "3"
    & skf21("1","2","4","4","3","2","4","1") = "3"
    & skf21("1","2","4","4","3","2","5","1") = "4"
    & skf21("1","2","4","4","3","2","6","1") = "5"
    & skf21("1","2","4","4","3","2","7","1") = "6"
    & skf21("1","2","4","4","3","3","1","1") = "3"
    & skf21("1","2","4","4","3","3","2","1") = "3"
    & skf21("1","2","4","4","3","3","3","1") = "3"
    & skf21("1","2","4","4","3","3","4","1") = "3"
    & skf21("1","2","4","4","3","3","5","1") = "4"
    & skf21("1","2","4","4","3","3","6","1") = "5"
    & skf21("1","2","4","4","3","3","7","1") = "6"
    & skf21("1","2","4","4","3","4","1","1") = "3"
    & skf21("1","2","4","4","3","4","2","1") = "3"
    & skf21("1","2","4","4","3","4","3","1") = "3"
    & skf21("1","2","4","4","3","4","4","1") = "3"
    & skf21("1","2","4","4","3","4","5","1") = "4"
    & skf21("1","2","4","4","3","4","6","1") = "5"
    & skf21("1","2","4","4","3","4","7","1") = "6"
    & skf21("1","2","4","4","3","5","1","1") = "4"
    & skf21("1","2","4","4","3","5","2","1") = "4"
    & skf21("1","2","4","4","3","5","3","1") = "4"
    & skf21("1","2","4","4","3","5","4","1") = "4"
    & skf21("1","2","4","4","3","5","5","1") = "4"
    & skf21("1","2","4","4","3","5","6","1") = "5"
    & skf21("1","2","4","4","3","5","7","1") = "6"
    & skf21("1","2","4","4","3","6","1","1") = "5"
    & skf21("1","2","4","4","3","6","2","1") = "5"
    & skf21("1","2","4","4","3","6","3","1") = "5"
    & skf21("1","2","4","4","3","6","4","1") = "5"
    & skf21("1","2","4","4","3","6","5","1") = "5"
    & skf21("1","2","4","4","3","6","6","1") = "5"
    & skf21("1","2","4","4","3","6","7","1") = "6"
    & skf21("1","2","4","4","3","7","1","1") = "6"
    & skf21("1","2","4","4","3","7","2","1") = "6"
    & skf21("1","2","4","4","3","7","3","1") = "6"
    & skf21("1","2","4","4","3","7","4","1") = "6"
    & skf21("1","2","4","4","3","7","5","1") = "6"
    & skf21("1","2","4","4","3","7","6","1") = "6"
    & skf21("1","2","4","4","3","7","7","1") = "6"
    & skf21("1","2","4","4","4","1","1","1") = "3"
    & skf21("1","2","4","4","4","1","2","1") = "3"
    & skf21("1","2","4","4","4","1","3","1") = "3"
    & skf21("1","2","4","4","4","1","4","1") = "3"
    & skf21("1","2","4","4","4","1","5","1") = "4"
    & skf21("1","2","4","4","4","1","6","1") = "5"
    & skf21("1","2","4","4","4","1","7","1") = "6"
    & skf21("1","2","4","4","4","2","1","1") = "3"
    & skf21("1","2","4","4","4","2","2","1") = "3"
    & skf21("1","2","4","4","4","2","3","1") = "3"
    & skf21("1","2","4","4","4","2","4","1") = "3"
    & skf21("1","2","4","4","4","2","5","1") = "4"
    & skf21("1","2","4","4","4","2","6","1") = "5"
    & skf21("1","2","4","4","4","2","7","1") = "6"
    & skf21("1","2","4","4","4","3","1","1") = "3"
    & skf21("1","2","4","4","4","3","2","1") = "3"
    & skf21("1","2","4","4","4","3","3","1") = "3"
    & skf21("1","2","4","4","4","3","4","1") = "3"
    & skf21("1","2","4","4","4","3","5","1") = "4"
    & skf21("1","2","4","4","4","3","6","1") = "5"
    & skf21("1","2","4","4","4","3","7","1") = "6"
    & skf21("1","2","4","4","4","4","1","1") = "3"
    & skf21("1","2","4","4","4","4","2","1") = "3"
    & skf21("1","2","4","4","4","4","3","1") = "3"
    & skf21("1","2","4","4","4","4","4","1") = "3"
    & skf21("1","2","4","4","4","4","5","1") = "4"
    & skf21("1","2","4","4","4","4","6","1") = "5"
    & skf21("1","2","4","4","4","4","7","1") = "6"
    & skf21("1","2","4","4","4","5","1","1") = "4"
    & skf21("1","2","4","4","4","5","2","1") = "4"
    & skf21("1","2","4","4","4","5","3","1") = "4"
    & skf21("1","2","4","4","4","5","4","1") = "4"
    & skf21("1","2","4","4","4","5","5","1") = "4"
    & skf21("1","2","4","4","4","5","6","1") = "5"
    & skf21("1","2","4","4","4","5","7","1") = "6"
    & skf21("1","2","4","4","4","6","1","1") = "5"
    & skf21("1","2","4","4","4","6","2","1") = "5"
    & skf21("1","2","4","4","4","6","3","1") = "5"
    & skf21("1","2","4","4","4","6","4","1") = "5"
    & skf21("1","2","4","4","4","6","5","1") = "5"
    & skf21("1","2","4","4","4","6","6","1") = "5"
    & skf21("1","2","4","4","4","6","7","1") = "6"
    & skf21("1","2","4","4","4","7","1","1") = "6"
    & skf21("1","2","4","4","4","7","2","1") = "6"
    & skf21("1","2","4","4","4","7","3","1") = "6"
    & skf21("1","2","4","4","4","7","4","1") = "6"
    & skf21("1","2","4","4","4","7","5","1") = "6"
    & skf21("1","2","4","4","4","7","6","1") = "6"
    & skf21("1","2","4","4","4","7","7","1") = "6"
    & skf21("1","2","4","4","5","1","1","1") = "4"
    & skf21("1","2","4","4","5","1","2","1") = "4"
    & skf21("1","2","4","4","5","1","3","1") = "4"
    & skf21("1","2","4","4","5","1","4","1") = "4"
    & skf21("1","2","4","4","5","1","5","1") = "4"
    & skf21("1","2","4","4","5","1","6","1") = "5"
    & skf21("1","2","4","4","5","1","7","1") = "6"
    & skf21("1","2","4","4","5","2","1","1") = "4"
    & skf21("1","2","4","4","5","2","2","1") = "4"
    & skf21("1","2","4","4","5","2","3","1") = "4"
    & skf21("1","2","4","4","5","2","4","1") = "4"
    & skf21("1","2","4","4","5","2","5","1") = "4"
    & skf21("1","2","4","4","5","2","6","1") = "5"
    & skf21("1","2","4","4","5","2","7","1") = "6"
    & skf21("1","2","4","4","5","3","1","1") = "4"
    & skf21("1","2","4","4","5","3","2","1") = "4"
    & skf21("1","2","4","4","5","3","3","1") = "4"
    & skf21("1","2","4","4","5","3","4","1") = "4"
    & skf21("1","2","4","4","5","3","5","1") = "4"
    & skf21("1","2","4","4","5","3","6","1") = "5"
    & skf21("1","2","4","4","5","3","7","1") = "6"
    & skf21("1","2","4","4","5","4","1","1") = "4"
    & skf21("1","2","4","4","5","4","2","1") = "4"
    & skf21("1","2","4","4","5","4","3","1") = "4"
    & skf21("1","2","4","4","5","4","4","1") = "4"
    & skf21("1","2","4","4","5","4","5","1") = "4"
    & skf21("1","2","4","4","5","4","6","1") = "5"
    & skf21("1","2","4","4","5","4","7","1") = "6"
    & skf21("1","2","4","4","5","5","1","1") = "4"
    & skf21("1","2","4","4","5","5","2","1") = "4"
    & skf21("1","2","4","4","5","5","3","1") = "4"
    & skf21("1","2","4","4","5","5","4","1") = "4"
    & skf21("1","2","4","4","5","5","5","1") = "4"
    & skf21("1","2","4","4","5","5","6","1") = "5"
    & skf21("1","2","4","4","5","5","7","1") = "6"
    & skf21("1","2","4","4","5","6","1","1") = "5"
    & skf21("1","2","4","4","5","6","2","1") = "5"
    & skf21("1","2","4","4","5","6","3","1") = "5"
    & skf21("1","2","4","4","5","6","4","1") = "5"
    & skf21("1","2","4","4","5","6","5","1") = "5"
    & skf21("1","2","4","4","5","6","6","1") = "5"
    & skf21("1","2","4","4","5","6","7","1") = "6"
    & skf21("1","2","4","4","5","7","1","1") = "6"
    & skf21("1","2","4","4","5","7","2","1") = "6"
    & skf21("1","2","4","4","5","7","3","1") = "6"
    & skf21("1","2","4","4","5","7","4","1") = "6"
    & skf21("1","2","4","4","5","7","5","1") = "6"
    & skf21("1","2","4","4","5","7","6","1") = "6"
    & skf21("1","2","4","4","5","7","7","1") = "6"
    & skf21("1","2","4","4","6","1","1","1") = "5"
    & skf21("1","2","4","4","6","1","2","1") = "5"
    & skf21("1","2","4","4","6","1","3","1") = "5"
    & skf21("1","2","4","4","6","1","4","1") = "5"
    & skf21("1","2","4","4","6","1","5","1") = "5"
    & skf21("1","2","4","4","6","1","6","1") = "5"
    & skf21("1","2","4","4","6","1","7","1") = "6"
    & skf21("1","2","4","4","6","2","1","1") = "5"
    & skf21("1","2","4","4","6","2","2","1") = "5"
    & skf21("1","2","4","4","6","2","3","1") = "5"
    & skf21("1","2","4","4","6","2","4","1") = "5"
    & skf21("1","2","4","4","6","2","5","1") = "5"
    & skf21("1","2","4","4","6","2","6","1") = "5"
    & skf21("1","2","4","4","6","2","7","1") = "6"
    & skf21("1","2","4","4","6","3","1","1") = "5"
    & skf21("1","2","4","4","6","3","2","1") = "5"
    & skf21("1","2","4","4","6","3","3","1") = "5"
    & skf21("1","2","4","4","6","3","4","1") = "5"
    & skf21("1","2","4","4","6","3","5","1") = "5"
    & skf21("1","2","4","4","6","3","6","1") = "5"
    & skf21("1","2","4","4","6","3","7","1") = "6"
    & skf21("1","2","4","4","6","4","1","1") = "5"
    & skf21("1","2","4","4","6","4","2","1") = "5"
    & skf21("1","2","4","4","6","4","3","1") = "5"
    & skf21("1","2","4","4","6","4","4","1") = "5"
    & skf21("1","2","4","4","6","4","5","1") = "5"
    & skf21("1","2","4","4","6","4","6","1") = "5"
    & skf21("1","2","4","4","6","4","7","1") = "6"
    & skf21("1","2","4","4","6","5","1","1") = "5"
    & skf21("1","2","4","4","6","5","2","1") = "5"
    & skf21("1","2","4","4","6","5","3","1") = "5"
    & skf21("1","2","4","4","6","5","4","1") = "5"
    & skf21("1","2","4","4","6","5","5","1") = "5"
    & skf21("1","2","4","4","6","5","6","1") = "5"
    & skf21("1","2","4","4","6","5","7","1") = "6"
    & skf21("1","2","4","4","6","6","1","1") = "5"
    & skf21("1","2","4","4","6","6","2","1") = "5"
    & skf21("1","2","4","4","6","6","3","1") = "5"
    & skf21("1","2","4","4","6","6","4","1") = "5"
    & skf21("1","2","4","4","6","6","5","1") = "5"
    & skf21("1","2","4","4","6","6","6","1") = "5"
    & skf21("1","2","4","4","6","6","7","1") = "6"
    & skf21("1","2","4","4","6","7","1","1") = "6"
    & skf21("1","2","4","4","6","7","2","1") = "6"
    & skf21("1","2","4","4","6","7","3","1") = "6"
    & skf21("1","2","4","4","6","7","4","1") = "6"
    & skf21("1","2","4","4","6","7","5","1") = "6"
    & skf21("1","2","4","4","6","7","6","1") = "6"
    & skf21("1","2","4","4","6","7","7","1") = "6"
    & skf21("1","2","4","4","7","1","1","1") = "6"
    & skf21("1","2","4","4","7","1","2","1") = "6"
    & skf21("1","2","4","4","7","1","3","1") = "6"
    & skf21("1","2","4","4","7","1","4","1") = "6"
    & skf21("1","2","4","4","7","1","5","1") = "6"
    & skf21("1","2","4","4","7","1","6","1") = "6"
    & skf21("1","2","4","4","7","1","7","1") = "6"
    & skf21("1","2","4","4","7","2","1","1") = "6"
    & skf21("1","2","4","4","7","2","2","1") = "6"
    & skf21("1","2","4","4","7","2","3","1") = "6"
    & skf21("1","2","4","4","7","2","4","1") = "6"
    & skf21("1","2","4","4","7","2","5","1") = "6"
    & skf21("1","2","4","4","7","2","6","1") = "6"
    & skf21("1","2","4","4","7","2","7","1") = "6"
    & skf21("1","2","4","4","7","3","1","1") = "6"
    & skf21("1","2","4","4","7","3","2","1") = "6"
    & skf21("1","2","4","4","7","3","3","1") = "6"
    & skf21("1","2","4","4","7","3","4","1") = "6"
    & skf21("1","2","4","4","7","3","5","1") = "6"
    & skf21("1","2","4","4","7","3","6","1") = "6"
    & skf21("1","2","4","4","7","3","7","1") = "6"
    & skf21("1","2","4","4","7","4","1","1") = "6"
    & skf21("1","2","4","4","7","4","2","1") = "6"
    & skf21("1","2","4","4","7","4","3","1") = "6"
    & skf21("1","2","4","4","7","4","4","1") = "6"
    & skf21("1","2","4","4","7","4","5","1") = "6"
    & skf21("1","2","4","4","7","4","6","1") = "6"
    & skf21("1","2","4","4","7","4","7","1") = "6"
    & skf21("1","2","4","4","7","5","1","1") = "6"
    & skf21("1","2","4","4","7","5","2","1") = "6"
    & skf21("1","2","4","4","7","5","3","1") = "6"
    & skf21("1","2","4","4","7","5","4","1") = "6"
    & skf21("1","2","4","4","7","5","5","1") = "6"
    & skf21("1","2","4","4","7","5","6","1") = "6"
    & skf21("1","2","4","4","7","5","7","1") = "6"
    & skf21("1","2","4","4","7","6","1","1") = "6"
    & skf21("1","2","4","4","7","6","2","1") = "6"
    & skf21("1","2","4","4","7","6","3","1") = "6"
    & skf21("1","2","4","4","7","6","4","1") = "6"
    & skf21("1","2","4","4","7","6","5","1") = "6"
    & skf21("1","2","4","4","7","6","6","1") = "6"
    & skf21("1","2","4","4","7","6","7","1") = "6"
    & skf21("1","2","4","4","7","7","1","1") = "6"
    & skf21("1","2","4","4","7","7","2","1") = "6"
    & skf21("1","2","4","4","7","7","3","1") = "6"
    & skf21("1","2","4","4","7","7","4","1") = "6"
    & skf21("1","2","4","4","7","7","5","1") = "6"
    & skf21("1","2","4","4","7","7","6","1") = "6"
    & skf21("1","2","4","4","7","7","7","1") = "6"
    & skf21("1","2","4","5","1","1","1","1") = "4"
    & skf21("1","2","4","5","1","1","2","1") = "4"
    & skf21("1","2","4","5","1","1","3","1") = "4"
    & skf21("1","2","4","5","1","1","4","1") = "4"
    & skf21("1","2","4","5","1","1","5","1") = "4"
    & skf21("1","2","4","5","1","1","6","1") = "5"
    & skf21("1","2","4","5","1","1","7","1") = "6"
    & skf21("1","2","4","5","1","2","1","1") = "4"
    & skf21("1","2","4","5","1","2","2","1") = "4"
    & skf21("1","2","4","5","1","2","3","1") = "4"
    & skf21("1","2","4","5","1","2","4","1") = "4"
    & skf21("1","2","4","5","1","2","5","1") = "4"
    & skf21("1","2","4","5","1","2","6","1") = "5"
    & skf21("1","2","4","5","1","2","7","1") = "6"
    & skf21("1","2","4","5","1","3","1","1") = "4"
    & skf21("1","2","4","5","1","3","2","1") = "4"
    & skf21("1","2","4","5","1","3","3","1") = "4"
    & skf21("1","2","4","5","1","3","4","1") = "4"
    & skf21("1","2","4","5","1","3","5","1") = "4"
    & skf21("1","2","4","5","1","3","6","1") = "5"
    & skf21("1","2","4","5","1","3","7","1") = "6"
    & skf21("1","2","4","5","1","4","1","1") = "4"
    & skf21("1","2","4","5","1","4","2","1") = "4"
    & skf21("1","2","4","5","1","4","3","1") = "4"
    & skf21("1","2","4","5","1","4","4","1") = "4"
    & skf21("1","2","4","5","1","4","5","1") = "4"
    & skf21("1","2","4","5","1","4","6","1") = "5"
    & skf21("1","2","4","5","1","4","7","1") = "6"
    & skf21("1","2","4","5","1","5","1","1") = "4"
    & skf21("1","2","4","5","1","5","2","1") = "4"
    & skf21("1","2","4","5","1","5","3","1") = "4"
    & skf21("1","2","4","5","1","5","4","1") = "4"
    & skf21("1","2","4","5","1","5","5","1") = "4"
    & skf21("1","2","4","5","1","5","6","1") = "5"
    & skf21("1","2","4","5","1","5","7","1") = "6"
    & skf21("1","2","4","5","1","6","1","1") = "5"
    & skf21("1","2","4","5","1","6","2","1") = "5"
    & skf21("1","2","4","5","1","6","3","1") = "5"
    & skf21("1","2","4","5","1","6","4","1") = "5"
    & skf21("1","2","4","5","1","6","5","1") = "5"
    & skf21("1","2","4","5","1","6","6","1") = "5"
    & skf21("1","2","4","5","1","6","7","1") = "6"
    & skf21("1","2","4","5","1","7","1","1") = "6"
    & skf21("1","2","4","5","1","7","2","1") = "6"
    & skf21("1","2","4","5","1","7","3","1") = "6"
    & skf21("1","2","4","5","1","7","4","1") = "6"
    & skf21("1","2","4","5","1","7","5","1") = "6"
    & skf21("1","2","4","5","1","7","6","1") = "6"
    & skf21("1","2","4","5","1","7","7","1") = "6"
    & skf21("1","2","4","5","2","1","1","1") = "4"
    & skf21("1","2","4","5","2","1","2","1") = "4"
    & skf21("1","2","4","5","2","1","3","1") = "4"
    & skf21("1","2","4","5","2","1","4","1") = "4"
    & skf21("1","2","4","5","2","1","5","1") = "4"
    & skf21("1","2","4","5","2","1","6","1") = "5"
    & skf21("1","2","4","5","2","1","7","1") = "6"
    & skf21("1","2","4","5","2","2","1","1") = "4"
    & skf21("1","2","4","5","2","2","2","1") = "4"
    & skf21("1","2","4","5","2","2","3","1") = "4"
    & skf21("1","2","4","5","2","2","4","1") = "4"
    & skf21("1","2","4","5","2","2","5","1") = "4"
    & skf21("1","2","4","5","2","2","6","1") = "5"
    & skf21("1","2","4","5","2","2","7","1") = "6"
    & skf21("1","2","4","5","2","3","1","1") = "4"
    & skf21("1","2","4","5","2","3","2","1") = "4"
    & skf21("1","2","4","5","2","3","3","1") = "4"
    & skf21("1","2","4","5","2","3","4","1") = "4"
    & skf21("1","2","4","5","2","3","5","1") = "4"
    & skf21("1","2","4","5","2","3","6","1") = "5"
    & skf21("1","2","4","5","2","3","7","1") = "6"
    & skf21("1","2","4","5","2","4","1","1") = "4"
    & skf21("1","2","4","5","2","4","2","1") = "4"
    & skf21("1","2","4","5","2","4","3","1") = "4"
    & skf21("1","2","4","5","2","4","4","1") = "4"
    & skf21("1","2","4","5","2","4","5","1") = "4"
    & skf21("1","2","4","5","2","4","6","1") = "5"
    & skf21("1","2","4","5","2","4","7","1") = "6"
    & skf21("1","2","4","5","2","5","1","1") = "4"
    & skf21("1","2","4","5","2","5","2","1") = "4"
    & skf21("1","2","4","5","2","5","3","1") = "4"
    & skf21("1","2","4","5","2","5","4","1") = "4"
    & skf21("1","2","4","5","2","5","5","1") = "4"
    & skf21("1","2","4","5","2","5","6","1") = "5"
    & skf21("1","2","4","5","2","5","7","1") = "6"
    & skf21("1","2","4","5","2","6","1","1") = "5"
    & skf21("1","2","4","5","2","6","2","1") = "5"
    & skf21("1","2","4","5","2","6","3","1") = "5"
    & skf21("1","2","4","5","2","6","4","1") = "5"
    & skf21("1","2","4","5","2","6","5","1") = "5"
    & skf21("1","2","4","5","2","6","6","1") = "5"
    & skf21("1","2","4","5","2","6","7","1") = "6"
    & skf21("1","2","4","5","2","7","1","1") = "6"
    & skf21("1","2","4","5","2","7","2","1") = "6"
    & skf21("1","2","4","5","2","7","3","1") = "6"
    & skf21("1","2","4","5","2","7","4","1") = "6"
    & skf21("1","2","4","5","2","7","5","1") = "6"
    & skf21("1","2","4","5","2","7","6","1") = "6"
    & skf21("1","2","4","5","2","7","7","1") = "6"
    & skf21("1","2","4","5","3","1","1","1") = "4"
    & skf21("1","2","4","5","3","1","2","1") = "4"
    & skf21("1","2","4","5","3","1","3","1") = "4"
    & skf21("1","2","4","5","3","1","4","1") = "4"
    & skf21("1","2","4","5","3","1","5","1") = "4"
    & skf21("1","2","4","5","3","1","6","1") = "5"
    & skf21("1","2","4","5","3","1","7","1") = "6"
    & skf21("1","2","4","5","3","2","1","1") = "4"
    & skf21("1","2","4","5","3","2","2","1") = "4"
    & skf21("1","2","4","5","3","2","3","1") = "4"
    & skf21("1","2","4","5","3","2","4","1") = "4"
    & skf21("1","2","4","5","3","2","5","1") = "4"
    & skf21("1","2","4","5","3","2","6","1") = "5"
    & skf21("1","2","4","5","3","2","7","1") = "6"
    & skf21("1","2","4","5","3","3","1","1") = "4"
    & skf21("1","2","4","5","3","3","2","1") = "4"
    & skf21("1","2","4","5","3","3","3","1") = "4"
    & skf21("1","2","4","5","3","3","4","1") = "4"
    & skf21("1","2","4","5","3","3","5","1") = "4"
    & skf21("1","2","4","5","3","3","6","1") = "5"
    & skf21("1","2","4","5","3","3","7","1") = "6"
    & skf21("1","2","4","5","3","4","1","1") = "4"
    & skf21("1","2","4","5","3","4","2","1") = "4"
    & skf21("1","2","4","5","3","4","3","1") = "4"
    & skf21("1","2","4","5","3","4","4","1") = "4"
    & skf21("1","2","4","5","3","4","5","1") = "4"
    & skf21("1","2","4","5","3","4","6","1") = "5"
    & skf21("1","2","4","5","3","4","7","1") = "6"
    & skf21("1","2","4","5","3","5","1","1") = "4"
    & skf21("1","2","4","5","3","5","2","1") = "4"
    & skf21("1","2","4","5","3","5","3","1") = "4"
    & skf21("1","2","4","5","3","5","4","1") = "4"
    & skf21("1","2","4","5","3","5","5","1") = "4"
    & skf21("1","2","4","5","3","5","6","1") = "5"
    & skf21("1","2","4","5","3","5","7","1") = "6"
    & skf21("1","2","4","5","3","6","1","1") = "5"
    & skf21("1","2","4","5","3","6","2","1") = "5"
    & skf21("1","2","4","5","3","6","3","1") = "5"
    & skf21("1","2","4","5","3","6","4","1") = "5"
    & skf21("1","2","4","5","3","6","5","1") = "5"
    & skf21("1","2","4","5","3","6","6","1") = "5"
    & skf21("1","2","4","5","3","6","7","1") = "6"
    & skf21("1","2","4","5","3","7","1","1") = "6"
    & skf21("1","2","4","5","3","7","2","1") = "6"
    & skf21("1","2","4","5","3","7","3","1") = "6"
    & skf21("1","2","4","5","3","7","4","1") = "6"
    & skf21("1","2","4","5","3","7","5","1") = "6"
    & skf21("1","2","4","5","3","7","6","1") = "6"
    & skf21("1","2","4","5","3","7","7","1") = "6"
    & skf21("1","2","4","5","4","1","1","1") = "4"
    & skf21("1","2","4","5","4","1","2","1") = "4"
    & skf21("1","2","4","5","4","1","3","1") = "4"
    & skf21("1","2","4","5","4","1","4","1") = "4"
    & skf21("1","2","4","5","4","1","5","1") = "4"
    & skf21("1","2","4","5","4","1","6","1") = "5"
    & skf21("1","2","4","5","4","1","7","1") = "6"
    & skf21("1","2","4","5","4","2","1","1") = "4"
    & skf21("1","2","4","5","4","2","2","1") = "4"
    & skf21("1","2","4","5","4","2","3","1") = "4"
    & skf21("1","2","4","5","4","2","4","1") = "4"
    & skf21("1","2","4","5","4","2","5","1") = "4"
    & skf21("1","2","4","5","4","2","6","1") = "5"
    & skf21("1","2","4","5","4","2","7","1") = "6"
    & skf21("1","2","4","5","4","3","1","1") = "4"
    & skf21("1","2","4","5","4","3","2","1") = "4"
    & skf21("1","2","4","5","4","3","3","1") = "4"
    & skf21("1","2","4","5","4","3","4","1") = "4"
    & skf21("1","2","4","5","4","3","5","1") = "4"
    & skf21("1","2","4","5","4","3","6","1") = "5"
    & skf21("1","2","4","5","4","3","7","1") = "6"
    & skf21("1","2","4","5","4","4","1","1") = "4"
    & skf21("1","2","4","5","4","4","2","1") = "4"
    & skf21("1","2","4","5","4","4","3","1") = "4"
    & skf21("1","2","4","5","4","4","4","1") = "4"
    & skf21("1","2","4","5","4","4","5","1") = "4"
    & skf21("1","2","4","5","4","4","6","1") = "5"
    & skf21("1","2","4","5","4","4","7","1") = "6"
    & skf21("1","2","4","5","4","5","1","1") = "4"
    & skf21("1","2","4","5","4","5","2","1") = "4"
    & skf21("1","2","4","5","4","5","3","1") = "4"
    & skf21("1","2","4","5","4","5","4","1") = "4"
    & skf21("1","2","4","5","4","5","5","1") = "4"
    & skf21("1","2","4","5","4","5","6","1") = "5"
    & skf21("1","2","4","5","4","5","7","1") = "6"
    & skf21("1","2","4","5","4","6","1","1") = "5"
    & skf21("1","2","4","5","4","6","2","1") = "5"
    & skf21("1","2","4","5","4","6","3","1") = "5"
    & skf21("1","2","4","5","4","6","4","1") = "5"
    & skf21("1","2","4","5","4","6","5","1") = "5"
    & skf21("1","2","4","5","4","6","6","1") = "5"
    & skf21("1","2","4","5","4","6","7","1") = "6"
    & skf21("1","2","4","5","4","7","1","1") = "6"
    & skf21("1","2","4","5","4","7","2","1") = "6"
    & skf21("1","2","4","5","4","7","3","1") = "6"
    & skf21("1","2","4","5","4","7","4","1") = "6"
    & skf21("1","2","4","5","4","7","5","1") = "6"
    & skf21("1","2","4","5","4","7","6","1") = "6"
    & skf21("1","2","4","5","4","7","7","1") = "6"
    & skf21("1","2","4","5","5","1","1","1") = "4"
    & skf21("1","2","4","5","5","1","2","1") = "4"
    & skf21("1","2","4","5","5","1","3","1") = "4"
    & skf21("1","2","4","5","5","1","4","1") = "4"
    & skf21("1","2","4","5","5","1","5","1") = "4"
    & skf21("1","2","4","5","5","1","6","1") = "5"
    & skf21("1","2","4","5","5","1","7","1") = "6"
    & skf21("1","2","4","5","5","2","1","1") = "4"
    & skf21("1","2","4","5","5","2","2","1") = "4"
    & skf21("1","2","4","5","5","2","3","1") = "4"
    & skf21("1","2","4","5","5","2","4","1") = "4"
    & skf21("1","2","4","5","5","2","5","1") = "4"
    & skf21("1","2","4","5","5","2","6","1") = "5"
    & skf21("1","2","4","5","5","2","7","1") = "6"
    & skf21("1","2","4","5","5","3","1","1") = "4"
    & skf21("1","2","4","5","5","3","2","1") = "4"
    & skf21("1","2","4","5","5","3","3","1") = "4"
    & skf21("1","2","4","5","5","3","4","1") = "4"
    & skf21("1","2","4","5","5","3","5","1") = "4"
    & skf21("1","2","4","5","5","3","6","1") = "5"
    & skf21("1","2","4","5","5","3","7","1") = "6"
    & skf21("1","2","4","5","5","4","1","1") = "4"
    & skf21("1","2","4","5","5","4","2","1") = "4"
    & skf21("1","2","4","5","5","4","3","1") = "4"
    & skf21("1","2","4","5","5","4","4","1") = "4"
    & skf21("1","2","4","5","5","4","5","1") = "4"
    & skf21("1","2","4","5","5","4","6","1") = "5"
    & skf21("1","2","4","5","5","4","7","1") = "6"
    & skf21("1","2","4","5","5","5","1","1") = "4"
    & skf21("1","2","4","5","5","5","2","1") = "4"
    & skf21("1","2","4","5","5","5","3","1") = "4"
    & skf21("1","2","4","5","5","5","4","1") = "4"
    & skf21("1","2","4","5","5","5","5","1") = "4"
    & skf21("1","2","4","5","5","5","6","1") = "5"
    & skf21("1","2","4","5","5","5","7","1") = "6"
    & skf21("1","2","4","5","5","6","1","1") = "5"
    & skf21("1","2","4","5","5","6","2","1") = "5"
    & skf21("1","2","4","5","5","6","3","1") = "5"
    & skf21("1","2","4","5","5","6","4","1") = "5"
    & skf21("1","2","4","5","5","6","5","1") = "5"
    & skf21("1","2","4","5","5","6","6","1") = "5"
    & skf21("1","2","4","5","5","6","7","1") = "6"
    & skf21("1","2","4","5","5","7","1","1") = "6"
    & skf21("1","2","4","5","5","7","2","1") = "6"
    & skf21("1","2","4","5","5","7","3","1") = "6"
    & skf21("1","2","4","5","5","7","4","1") = "6"
    & skf21("1","2","4","5","5","7","5","1") = "6"
    & skf21("1","2","4","5","5","7","6","1") = "6"
    & skf21("1","2","4","5","5","7","7","1") = "6"
    & skf21("1","2","4","5","6","1","1","1") = "5"
    & skf21("1","2","4","5","6","1","2","1") = "5"
    & skf21("1","2","4","5","6","1","3","1") = "5"
    & skf21("1","2","4","5","6","1","4","1") = "5"
    & skf21("1","2","4","5","6","1","5","1") = "5"
    & skf21("1","2","4","5","6","1","6","1") = "5"
    & skf21("1","2","4","5","6","1","7","1") = "6"
    & skf21("1","2","4","5","6","2","1","1") = "5"
    & skf21("1","2","4","5","6","2","2","1") = "5"
    & skf21("1","2","4","5","6","2","3","1") = "5"
    & skf21("1","2","4","5","6","2","4","1") = "5"
    & skf21("1","2","4","5","6","2","5","1") = "5"
    & skf21("1","2","4","5","6","2","6","1") = "5"
    & skf21("1","2","4","5","6","2","7","1") = "6"
    & skf21("1","2","4","5","6","3","1","1") = "5"
    & skf21("1","2","4","5","6","3","2","1") = "5"
    & skf21("1","2","4","5","6","3","3","1") = "5"
    & skf21("1","2","4","5","6","3","4","1") = "5"
    & skf21("1","2","4","5","6","3","5","1") = "5"
    & skf21("1","2","4","5","6","3","6","1") = "5"
    & skf21("1","2","4","5","6","3","7","1") = "6"
    & skf21("1","2","4","5","6","4","1","1") = "5"
    & skf21("1","2","4","5","6","4","2","1") = "5"
    & skf21("1","2","4","5","6","4","3","1") = "5"
    & skf21("1","2","4","5","6","4","4","1") = "5"
    & skf21("1","2","4","5","6","4","5","1") = "5"
    & skf21("1","2","4","5","6","4","6","1") = "5"
    & skf21("1","2","4","5","6","4","7","1") = "6"
    & skf21("1","2","4","5","6","5","1","1") = "5"
    & skf21("1","2","4","5","6","5","2","1") = "5"
    & skf21("1","2","4","5","6","5","3","1") = "5"
    & skf21("1","2","4","5","6","5","4","1") = "5"
    & skf21("1","2","4","5","6","5","5","1") = "5"
    & skf21("1","2","4","5","6","5","6","1") = "5"
    & skf21("1","2","4","5","6","5","7","1") = "6"
    & skf21("1","2","4","5","6","6","1","1") = "5"
    & skf21("1","2","4","5","6","6","2","1") = "5"
    & skf21("1","2","4","5","6","6","3","1") = "5"
    & skf21("1","2","4","5","6","6","4","1") = "5"
    & skf21("1","2","4","5","6","6","5","1") = "5"
    & skf21("1","2","4","5","6","6","6","1") = "5"
    & skf21("1","2","4","5","6","6","7","1") = "6"
    & skf21("1","2","4","5","6","7","1","1") = "6"
    & skf21("1","2","4","5","6","7","2","1") = "6"
    & skf21("1","2","4","5","6","7","3","1") = "6"
    & skf21("1","2","4","5","6","7","4","1") = "6"
    & skf21("1","2","4","5","6","7","5","1") = "6"
    & skf21("1","2","4","5","6","7","6","1") = "6"
    & skf21("1","2","4","5","6","7","7","1") = "6"
    & skf21("1","2","4","5","7","1","1","1") = "6"
    & skf21("1","2","4","5","7","1","2","1") = "6"
    & skf21("1","2","4","5","7","1","3","1") = "6"
    & skf21("1","2","4","5","7","1","4","1") = "6"
    & skf21("1","2","4","5","7","1","5","1") = "6"
    & skf21("1","2","4","5","7","1","6","1") = "6"
    & skf21("1","2","4","5","7","1","7","1") = "6"
    & skf21("1","2","4","5","7","2","1","1") = "6"
    & skf21("1","2","4","5","7","2","2","1") = "6"
    & skf21("1","2","4","5","7","2","3","1") = "6"
    & skf21("1","2","4","5","7","2","4","1") = "6"
    & skf21("1","2","4","5","7","2","5","1") = "6"
    & skf21("1","2","4","5","7","2","6","1") = "6"
    & skf21("1","2","4","5","7","2","7","1") = "6"
    & skf21("1","2","4","5","7","3","1","1") = "6"
    & skf21("1","2","4","5","7","3","2","1") = "6"
    & skf21("1","2","4","5","7","3","3","1") = "6"
    & skf21("1","2","4","5","7","3","4","1") = "6"
    & skf21("1","2","4","5","7","3","5","1") = "6"
    & skf21("1","2","4","5","7","3","6","1") = "6"
    & skf21("1","2","4","5","7","3","7","1") = "6"
    & skf21("1","2","4","5","7","4","1","1") = "6"
    & skf21("1","2","4","5","7","4","2","1") = "6"
    & skf21("1","2","4","5","7","4","3","1") = "6"
    & skf21("1","2","4","5","7","4","4","1") = "6"
    & skf21("1","2","4","5","7","4","5","1") = "6"
    & skf21("1","2","4","5","7","4","6","1") = "6"
    & skf21("1","2","4","5","7","4","7","1") = "6"
    & skf21("1","2","4","5","7","5","1","1") = "6"
    & skf21("1","2","4","5","7","5","2","1") = "6"
    & skf21("1","2","4","5","7","5","3","1") = "6"
    & skf21("1","2","4","5","7","5","4","1") = "6"
    & skf21("1","2","4","5","7","5","5","1") = "6"
    & skf21("1","2","4","5","7","5","6","1") = "6"
    & skf21("1","2","4","5","7","5","7","1") = "6"
    & skf21("1","2","4","5","7","6","1","1") = "6"
    & skf21("1","2","4","5","7","6","2","1") = "6"
    & skf21("1","2","4","5","7","6","3","1") = "6"
    & skf21("1","2","4","5","7","6","4","1") = "6"
    & skf21("1","2","4","5","7","6","5","1") = "6"
    & skf21("1","2","4","5","7","6","6","1") = "6"
    & skf21("1","2","4","5","7","6","7","1") = "6"
    & skf21("1","2","4","5","7","7","1","1") = "6"
    & skf21("1","2","4","5","7","7","2","1") = "6"
    & skf21("1","2","4","5","7","7","3","1") = "6"
    & skf21("1","2","4","5","7","7","4","1") = "6"
    & skf21("1","2","4","5","7","7","5","1") = "6"
    & skf21("1","2","4","5","7","7","6","1") = "6"
    & skf21("1","2","4","5","7","7","7","1") = "6"
    & skf21("1","2","4","6","1","1","1","1") = "5"
    & skf21("1","2","4","6","1","1","2","1") = "5"
    & skf21("1","2","4","6","1","1","3","1") = "5"
    & skf21("1","2","4","6","1","1","4","1") = "5"
    & skf21("1","2","4","6","1","1","5","1") = "5"
    & skf21("1","2","4","6","1","1","6","1") = "5"
    & skf21("1","2","4","6","1","1","7","1") = "6"
    & skf21("1","2","4","6","1","2","1","1") = "5"
    & skf21("1","2","4","6","1","2","2","1") = "5"
    & skf21("1","2","4","6","1","2","3","1") = "5"
    & skf21("1","2","4","6","1","2","4","1") = "5"
    & skf21("1","2","4","6","1","2","5","1") = "5"
    & skf21("1","2","4","6","1","2","6","1") = "5"
    & skf21("1","2","4","6","1","2","7","1") = "6"
    & skf21("1","2","4","6","1","3","1","1") = "5"
    & skf21("1","2","4","6","1","3","2","1") = "5"
    & skf21("1","2","4","6","1","3","3","1") = "5"
    & skf21("1","2","4","6","1","3","4","1") = "5"
    & skf21("1","2","4","6","1","3","5","1") = "5"
    & skf21("1","2","4","6","1","3","6","1") = "5"
    & skf21("1","2","4","6","1","3","7","1") = "6"
    & skf21("1","2","4","6","1","4","1","1") = "5"
    & skf21("1","2","4","6","1","4","2","1") = "5"
    & skf21("1","2","4","6","1","4","3","1") = "5"
    & skf21("1","2","4","6","1","4","4","1") = "5"
    & skf21("1","2","4","6","1","4","5","1") = "5"
    & skf21("1","2","4","6","1","4","6","1") = "5"
    & skf21("1","2","4","6","1","4","7","1") = "6"
    & skf21("1","2","4","6","1","5","1","1") = "5"
    & skf21("1","2","4","6","1","5","2","1") = "5"
    & skf21("1","2","4","6","1","5","3","1") = "5"
    & skf21("1","2","4","6","1","5","4","1") = "5"
    & skf21("1","2","4","6","1","5","5","1") = "5"
    & skf21("1","2","4","6","1","5","6","1") = "5"
    & skf21("1","2","4","6","1","5","7","1") = "6"
    & skf21("1","2","4","6","1","6","1","1") = "5"
    & skf21("1","2","4","6","1","6","2","1") = "5"
    & skf21("1","2","4","6","1","6","3","1") = "5"
    & skf21("1","2","4","6","1","6","4","1") = "5"
    & skf21("1","2","4","6","1","6","5","1") = "5"
    & skf21("1","2","4","6","1","6","6","1") = "5"
    & skf21("1","2","4","6","1","6","7","1") = "6"
    & skf21("1","2","4","6","1","7","1","1") = "6"
    & skf21("1","2","4","6","1","7","2","1") = "6"
    & skf21("1","2","4","6","1","7","3","1") = "6"
    & skf21("1","2","4","6","1","7","4","1") = "6"
    & skf21("1","2","4","6","1","7","5","1") = "6"
    & skf21("1","2","4","6","1","7","6","1") = "6"
    & skf21("1","2","4","6","1","7","7","1") = "6"
    & skf21("1","2","4","6","2","1","1","1") = "5"
    & skf21("1","2","4","6","2","1","2","1") = "5"
    & skf21("1","2","4","6","2","1","3","1") = "5"
    & skf21("1","2","4","6","2","1","4","1") = "5"
    & skf21("1","2","4","6","2","1","5","1") = "5"
    & skf21("1","2","4","6","2","1","6","1") = "5"
    & skf21("1","2","4","6","2","1","7","1") = "6"
    & skf21("1","2","4","6","2","2","1","1") = "5"
    & skf21("1","2","4","6","2","2","2","1") = "5"
    & skf21("1","2","4","6","2","2","3","1") = "5"
    & skf21("1","2","4","6","2","2","4","1") = "5"
    & skf21("1","2","4","6","2","2","5","1") = "5"
    & skf21("1","2","4","6","2","2","6","1") = "5"
    & skf21("1","2","4","6","2","2","7","1") = "6"
    & skf21("1","2","4","6","2","3","1","1") = "5"
    & skf21("1","2","4","6","2","3","2","1") = "5"
    & skf21("1","2","4","6","2","3","3","1") = "5"
    & skf21("1","2","4","6","2","3","4","1") = "5"
    & skf21("1","2","4","6","2","3","5","1") = "5"
    & skf21("1","2","4","6","2","3","6","1") = "5"
    & skf21("1","2","4","6","2","3","7","1") = "6"
    & skf21("1","2","4","6","2","4","1","1") = "5"
    & skf21("1","2","4","6","2","4","2","1") = "5"
    & skf21("1","2","4","6","2","4","3","1") = "5"
    & skf21("1","2","4","6","2","4","4","1") = "5"
    & skf21("1","2","4","6","2","4","5","1") = "5"
    & skf21("1","2","4","6","2","4","6","1") = "5"
    & skf21("1","2","4","6","2","4","7","1") = "6"
    & skf21("1","2","4","6","2","5","1","1") = "5"
    & skf21("1","2","4","6","2","5","2","1") = "5"
    & skf21("1","2","4","6","2","5","3","1") = "5"
    & skf21("1","2","4","6","2","5","4","1") = "5"
    & skf21("1","2","4","6","2","5","5","1") = "5"
    & skf21("1","2","4","6","2","5","6","1") = "5"
    & skf21("1","2","4","6","2","5","7","1") = "6"
    & skf21("1","2","4","6","2","6","1","1") = "5"
    & skf21("1","2","4","6","2","6","2","1") = "5"
    & skf21("1","2","4","6","2","6","3","1") = "5"
    & skf21("1","2","4","6","2","6","4","1") = "5"
    & skf21("1","2","4","6","2","6","5","1") = "5"
    & skf21("1","2","4","6","2","6","6","1") = "5"
    & skf21("1","2","4","6","2","6","7","1") = "6"
    & skf21("1","2","4","6","2","7","1","1") = "6"
    & skf21("1","2","4","6","2","7","2","1") = "6"
    & skf21("1","2","4","6","2","7","3","1") = "6"
    & skf21("1","2","4","6","2","7","4","1") = "6"
    & skf21("1","2","4","6","2","7","5","1") = "6"
    & skf21("1","2","4","6","2","7","6","1") = "6"
    & skf21("1","2","4","6","2","7","7","1") = "6"
    & skf21("1","2","4","6","3","1","1","1") = "5"
    & skf21("1","2","4","6","3","1","2","1") = "5"
    & skf21("1","2","4","6","3","1","3","1") = "5"
    & skf21("1","2","4","6","3","1","4","1") = "5"
    & skf21("1","2","4","6","3","1","5","1") = "5"
    & skf21("1","2","4","6","3","1","6","1") = "5"
    & skf21("1","2","4","6","3","1","7","1") = "6"
    & skf21("1","2","4","6","3","2","1","1") = "5"
    & skf21("1","2","4","6","3","2","2","1") = "5"
    & skf21("1","2","4","6","3","2","3","1") = "5"
    & skf21("1","2","4","6","3","2","4","1") = "5"
    & skf21("1","2","4","6","3","2","5","1") = "5"
    & skf21("1","2","4","6","3","2","6","1") = "5"
    & skf21("1","2","4","6","3","2","7","1") = "6"
    & skf21("1","2","4","6","3","3","1","1") = "5"
    & skf21("1","2","4","6","3","3","2","1") = "5"
    & skf21("1","2","4","6","3","3","3","1") = "5"
    & skf21("1","2","4","6","3","3","4","1") = "5"
    & skf21("1","2","4","6","3","3","5","1") = "5"
    & skf21("1","2","4","6","3","3","6","1") = "5"
    & skf21("1","2","4","6","3","3","7","1") = "6"
    & skf21("1","2","4","6","3","4","1","1") = "5"
    & skf21("1","2","4","6","3","4","2","1") = "5"
    & skf21("1","2","4","6","3","4","3","1") = "5"
    & skf21("1","2","4","6","3","4","4","1") = "5"
    & skf21("1","2","4","6","3","4","5","1") = "5"
    & skf21("1","2","4","6","3","4","6","1") = "5"
    & skf21("1","2","4","6","3","4","7","1") = "6"
    & skf21("1","2","4","6","3","5","1","1") = "5"
    & skf21("1","2","4","6","3","5","2","1") = "5"
    & skf21("1","2","4","6","3","5","3","1") = "5"
    & skf21("1","2","4","6","3","5","4","1") = "5"
    & skf21("1","2","4","6","3","5","5","1") = "5"
    & skf21("1","2","4","6","3","5","6","1") = "5"
    & skf21("1","2","4","6","3","5","7","1") = "6"
    & skf21("1","2","4","6","3","6","1","1") = "5"
    & skf21("1","2","4","6","3","6","2","1") = "5"
    & skf21("1","2","4","6","3","6","3","1") = "5"
    & skf21("1","2","4","6","3","6","4","1") = "5"
    & skf21("1","2","4","6","3","6","5","1") = "5"
    & skf21("1","2","4","6","3","6","6","1") = "5"
    & skf21("1","2","4","6","3","6","7","1") = "6"
    & skf21("1","2","4","6","3","7","1","1") = "6"
    & skf21("1","2","4","6","3","7","2","1") = "6"
    & skf21("1","2","4","6","3","7","3","1") = "6"
    & skf21("1","2","4","6","3","7","4","1") = "6"
    & skf21("1","2","4","6","3","7","5","1") = "6"
    & skf21("1","2","4","6","3","7","6","1") = "6"
    & skf21("1","2","4","6","3","7","7","1") = "6"
    & skf21("1","2","4","6","4","1","1","1") = "5"
    & skf21("1","2","4","6","4","1","2","1") = "5"
    & skf21("1","2","4","6","4","1","3","1") = "5"
    & skf21("1","2","4","6","4","1","4","1") = "5"
    & skf21("1","2","4","6","4","1","5","1") = "5"
    & skf21("1","2","4","6","4","1","6","1") = "5"
    & skf21("1","2","4","6","4","1","7","1") = "6"
    & skf21("1","2","4","6","4","2","1","1") = "5"
    & skf21("1","2","4","6","4","2","2","1") = "5"
    & skf21("1","2","4","6","4","2","3","1") = "5"
    & skf21("1","2","4","6","4","2","4","1") = "5"
    & skf21("1","2","4","6","4","2","5","1") = "5"
    & skf21("1","2","4","6","4","2","6","1") = "5"
    & skf21("1","2","4","6","4","2","7","1") = "6"
    & skf21("1","2","4","6","4","3","1","1") = "5"
    & skf21("1","2","4","6","4","3","2","1") = "5"
    & skf21("1","2","4","6","4","3","3","1") = "5"
    & skf21("1","2","4","6","4","3","4","1") = "5"
    & skf21("1","2","4","6","4","3","5","1") = "5"
    & skf21("1","2","4","6","4","3","6","1") = "5"
    & skf21("1","2","4","6","4","3","7","1") = "6"
    & skf21("1","2","4","6","4","4","1","1") = "5"
    & skf21("1","2","4","6","4","4","2","1") = "5"
    & skf21("1","2","4","6","4","4","3","1") = "5"
    & skf21("1","2","4","6","4","4","4","1") = "5"
    & skf21("1","2","4","6","4","4","5","1") = "5"
    & skf21("1","2","4","6","4","4","6","1") = "5"
    & skf21("1","2","4","6","4","4","7","1") = "6"
    & skf21("1","2","4","6","4","5","1","1") = "5"
    & skf21("1","2","4","6","4","5","2","1") = "5"
    & skf21("1","2","4","6","4","5","3","1") = "5"
    & skf21("1","2","4","6","4","5","4","1") = "5"
    & skf21("1","2","4","6","4","5","5","1") = "5"
    & skf21("1","2","4","6","4","5","6","1") = "5"
    & skf21("1","2","4","6","4","5","7","1") = "6"
    & skf21("1","2","4","6","4","6","1","1") = "5"
    & skf21("1","2","4","6","4","6","2","1") = "5"
    & skf21("1","2","4","6","4","6","3","1") = "5"
    & skf21("1","2","4","6","4","6","4","1") = "5"
    & skf21("1","2","4","6","4","6","5","1") = "5"
    & skf21("1","2","4","6","4","6","6","1") = "5"
    & skf21("1","2","4","6","4","6","7","1") = "6"
    & skf21("1","2","4","6","4","7","1","1") = "6"
    & skf21("1","2","4","6","4","7","2","1") = "6"
    & skf21("1","2","4","6","4","7","3","1") = "6"
    & skf21("1","2","4","6","4","7","4","1") = "6"
    & skf21("1","2","4","6","4","7","5","1") = "6"
    & skf21("1","2","4","6","4","7","6","1") = "6"
    & skf21("1","2","4","6","4","7","7","1") = "6"
    & skf21("1","2","4","6","5","1","1","1") = "5"
    & skf21("1","2","4","6","5","1","2","1") = "5"
    & skf21("1","2","4","6","5","1","3","1") = "5"
    & skf21("1","2","4","6","5","1","4","1") = "5"
    & skf21("1","2","4","6","5","1","5","1") = "5"
    & skf21("1","2","4","6","5","1","6","1") = "5"
    & skf21("1","2","4","6","5","1","7","1") = "6"
    & skf21("1","2","4","6","5","2","1","1") = "5"
    & skf21("1","2","4","6","5","2","2","1") = "5"
    & skf21("1","2","4","6","5","2","3","1") = "5"
    & skf21("1","2","4","6","5","2","4","1") = "5"
    & skf21("1","2","4","6","5","2","5","1") = "5"
    & skf21("1","2","4","6","5","2","6","1") = "5"
    & skf21("1","2","4","6","5","2","7","1") = "6"
    & skf21("1","2","4","6","5","3","1","1") = "5"
    & skf21("1","2","4","6","5","3","2","1") = "5"
    & skf21("1","2","4","6","5","3","3","1") = "5"
    & skf21("1","2","4","6","5","3","4","1") = "5"
    & skf21("1","2","4","6","5","3","5","1") = "5"
    & skf21("1","2","4","6","5","3","6","1") = "5"
    & skf21("1","2","4","6","5","3","7","1") = "6"
    & skf21("1","2","4","6","5","4","1","1") = "5"
    & skf21("1","2","4","6","5","4","2","1") = "5"
    & skf21("1","2","4","6","5","4","3","1") = "5"
    & skf21("1","2","4","6","5","4","4","1") = "5"
    & skf21("1","2","4","6","5","4","5","1") = "5"
    & skf21("1","2","4","6","5","4","6","1") = "5"
    & skf21("1","2","4","6","5","4","7","1") = "6"
    & skf21("1","2","4","6","5","5","1","1") = "5"
    & skf21("1","2","4","6","5","5","2","1") = "5"
    & skf21("1","2","4","6","5","5","3","1") = "5"
    & skf21("1","2","4","6","5","5","4","1") = "5"
    & skf21("1","2","4","6","5","5","5","1") = "5"
    & skf21("1","2","4","6","5","5","6","1") = "5"
    & skf21("1","2","4","6","5","5","7","1") = "6"
    & skf21("1","2","4","6","5","6","1","1") = "5"
    & skf21("1","2","4","6","5","6","2","1") = "5"
    & skf21("1","2","4","6","5","6","3","1") = "5"
    & skf21("1","2","4","6","5","6","4","1") = "5"
    & skf21("1","2","4","6","5","6","5","1") = "5"
    & skf21("1","2","4","6","5","6","6","1") = "5"
    & skf21("1","2","4","6","5","6","7","1") = "6"
    & skf21("1","2","4","6","5","7","1","1") = "6"
    & skf21("1","2","4","6","5","7","2","1") = "6"
    & skf21("1","2","4","6","5","7","3","1") = "6"
    & skf21("1","2","4","6","5","7","4","1") = "6"
    & skf21("1","2","4","6","5","7","5","1") = "6"
    & skf21("1","2","4","6","5","7","6","1") = "6"
    & skf21("1","2","4","6","5","7","7","1") = "6"
    & skf21("1","2","4","6","6","1","1","1") = "5"
    & skf21("1","2","4","6","6","1","2","1") = "5"
    & skf21("1","2","4","6","6","1","3","1") = "5"
    & skf21("1","2","4","6","6","1","4","1") = "5"
    & skf21("1","2","4","6","6","1","5","1") = "5"
    & skf21("1","2","4","6","6","1","6","1") = "5"
    & skf21("1","2","4","6","6","1","7","1") = "6"
    & skf21("1","2","4","6","6","2","1","1") = "5"
    & skf21("1","2","4","6","6","2","2","1") = "5"
    & skf21("1","2","4","6","6","2","3","1") = "5"
    & skf21("1","2","4","6","6","2","4","1") = "5"
    & skf21("1","2","4","6","6","2","5","1") = "5"
    & skf21("1","2","4","6","6","2","6","1") = "5"
    & skf21("1","2","4","6","6","2","7","1") = "6"
    & skf21("1","2","4","6","6","3","1","1") = "5"
    & skf21("1","2","4","6","6","3","2","1") = "5"
    & skf21("1","2","4","6","6","3","3","1") = "5"
    & skf21("1","2","4","6","6","3","4","1") = "5"
    & skf21("1","2","4","6","6","3","5","1") = "5"
    & skf21("1","2","4","6","6","3","6","1") = "5"
    & skf21("1","2","4","6","6","3","7","1") = "6"
    & skf21("1","2","4","6","6","4","1","1") = "5"
    & skf21("1","2","4","6","6","4","2","1") = "5"
    & skf21("1","2","4","6","6","4","3","1") = "5"
    & skf21("1","2","4","6","6","4","4","1") = "5"
    & skf21("1","2","4","6","6","4","5","1") = "5"
    & skf21("1","2","4","6","6","4","6","1") = "5"
    & skf21("1","2","4","6","6","4","7","1") = "6"
    & skf21("1","2","4","6","6","5","1","1") = "5"
    & skf21("1","2","4","6","6","5","2","1") = "5"
    & skf21("1","2","4","6","6","5","3","1") = "5"
    & skf21("1","2","4","6","6","5","4","1") = "5"
    & skf21("1","2","4","6","6","5","5","1") = "5"
    & skf21("1","2","4","6","6","5","6","1") = "5"
    & skf21("1","2","4","6","6","5","7","1") = "6"
    & skf21("1","2","4","6","6","6","1","1") = "5"
    & skf21("1","2","4","6","6","6","2","1") = "5"
    & skf21("1","2","4","6","6","6","3","1") = "5"
    & skf21("1","2","4","6","6","6","4","1") = "5"
    & skf21("1","2","4","6","6","6","5","1") = "5"
    & skf21("1","2","4","6","6","6","6","1") = "5"
    & skf21("1","2","4","6","6","6","7","1") = "6"
    & skf21("1","2","4","6","6","7","1","1") = "6"
    & skf21("1","2","4","6","6","7","2","1") = "6"
    & skf21("1","2","4","6","6","7","3","1") = "6"
    & skf21("1","2","4","6","6","7","4","1") = "6"
    & skf21("1","2","4","6","6","7","5","1") = "6"
    & skf21("1","2","4","6","6","7","6","1") = "6"
    & skf21("1","2","4","6","6","7","7","1") = "6"
    & skf21("1","2","4","6","7","1","1","1") = "6"
    & skf21("1","2","4","6","7","1","2","1") = "6"
    & skf21("1","2","4","6","7","1","3","1") = "6"
    & skf21("1","2","4","6","7","1","4","1") = "6"
    & skf21("1","2","4","6","7","1","5","1") = "6"
    & skf21("1","2","4","6","7","1","6","1") = "6"
    & skf21("1","2","4","6","7","1","7","1") = "6"
    & skf21("1","2","4","6","7","2","1","1") = "6"
    & skf21("1","2","4","6","7","2","2","1") = "6"
    & skf21("1","2","4","6","7","2","3","1") = "6"
    & skf21("1","2","4","6","7","2","4","1") = "6"
    & skf21("1","2","4","6","7","2","5","1") = "6"
    & skf21("1","2","4","6","7","2","6","1") = "6"
    & skf21("1","2","4","6","7","2","7","1") = "6"
    & skf21("1","2","4","6","7","3","1","1") = "6"
    & skf21("1","2","4","6","7","3","2","1") = "6"
    & skf21("1","2","4","6","7","3","3","1") = "6"
    & skf21("1","2","4","6","7","3","4","1") = "6"
    & skf21("1","2","4","6","7","3","5","1") = "6"
    & skf21("1","2","4","6","7","3","6","1") = "6"
    & skf21("1","2","4","6","7","3","7","1") = "6"
    & skf21("1","2","4","6","7","4","1","1") = "6"
    & skf21("1","2","4","6","7","4","2","1") = "6"
    & skf21("1","2","4","6","7","4","3","1") = "6"
    & skf21("1","2","4","6","7","4","4","1") = "6"
    & skf21("1","2","4","6","7","4","5","1") = "6"
    & skf21("1","2","4","6","7","4","6","1") = "6"
    & skf21("1","2","4","6","7","4","7","1") = "6"
    & skf21("1","2","4","6","7","5","1","1") = "6"
    & skf21("1","2","4","6","7","5","2","1") = "6"
    & skf21("1","2","4","6","7","5","3","1") = "6"
    & skf21("1","2","4","6","7","5","4","1") = "6"
    & skf21("1","2","4","6","7","5","5","1") = "6"
    & skf21("1","2","4","6","7","5","6","1") = "6"
    & skf21("1","2","4","6","7","5","7","1") = "6"
    & skf21("1","2","4","6","7","6","1","1") = "6"
    & skf21("1","2","4","6","7","6","2","1") = "6"
    & skf21("1","2","4","6","7","6","3","1") = "6"
    & skf21("1","2","4","6","7","6","4","1") = "6"
    & skf21("1","2","4","6","7","6","5","1") = "6"
    & skf21("1","2","4","6","7","6","6","1") = "6"
    & skf21("1","2","4","6","7","6","7","1") = "6"
    & skf21("1","2","4","6","7","7","1","1") = "6"
    & skf21("1","2","4","6","7","7","2","1") = "6"
    & skf21("1","2","4","6","7","7","3","1") = "6"
    & skf21("1","2","4","6","7","7","4","1") = "6"
    & skf21("1","2","4","6","7","7","5","1") = "6"
    & skf21("1","2","4","6","7","7","6","1") = "6"
    & skf21("1","2","4","6","7","7","7","1") = "6"
    & skf21("1","2","4","7","1","1","1","1") = "6"
    & skf21("1","2","4","7","1","1","2","1") = "6"
    & skf21("1","2","4","7","1","1","3","1") = "6"
    & skf21("1","2","4","7","1","1","4","1") = "6"
    & skf21("1","2","4","7","1","1","5","1") = "6"
    & skf21("1","2","4","7","1","1","6","1") = "6"
    & skf21("1","2","4","7","1","1","7","1") = "6"
    & skf21("1","2","4","7","1","2","1","1") = "6"
    & skf21("1","2","4","7","1","2","2","1") = "6"
    & skf21("1","2","4","7","1","2","3","1") = "6"
    & skf21("1","2","4","7","1","2","4","1") = "6"
    & skf21("1","2","4","7","1","2","5","1") = "6"
    & skf21("1","2","4","7","1","2","6","1") = "6"
    & skf21("1","2","4","7","1","2","7","1") = "6"
    & skf21("1","2","4","7","1","3","1","1") = "6"
    & skf21("1","2","4","7","1","3","2","1") = "6"
    & skf21("1","2","4","7","1","3","3","1") = "6"
    & skf21("1","2","4","7","1","3","4","1") = "6"
    & skf21("1","2","4","7","1","3","5","1") = "6"
    & skf21("1","2","4","7","1","3","6","1") = "6"
    & skf21("1","2","4","7","1","3","7","1") = "6"
    & skf21("1","2","4","7","1","4","1","1") = "6"
    & skf21("1","2","4","7","1","4","2","1") = "6"
    & skf21("1","2","4","7","1","4","3","1") = "6"
    & skf21("1","2","4","7","1","4","4","1") = "6"
    & skf21("1","2","4","7","1","4","5","1") = "6"
    & skf21("1","2","4","7","1","4","6","1") = "6"
    & skf21("1","2","4","7","1","4","7","1") = "6"
    & skf21("1","2","4","7","1","5","1","1") = "6"
    & skf21("1","2","4","7","1","5","2","1") = "6"
    & skf21("1","2","4","7","1","5","3","1") = "6"
    & skf21("1","2","4","7","1","5","4","1") = "6"
    & skf21("1","2","4","7","1","5","5","1") = "6"
    & skf21("1","2","4","7","1","5","6","1") = "6"
    & skf21("1","2","4","7","1","5","7","1") = "6"
    & skf21("1","2","4","7","1","6","1","1") = "6"
    & skf21("1","2","4","7","1","6","2","1") = "6"
    & skf21("1","2","4","7","1","6","3","1") = "6"
    & skf21("1","2","4","7","1","6","4","1") = "6"
    & skf21("1","2","4","7","1","6","5","1") = "6"
    & skf21("1","2","4","7","1","6","6","1") = "6"
    & skf21("1","2","4","7","1","6","7","1") = "6"
    & skf21("1","2","4","7","1","7","1","1") = "6"
    & skf21("1","2","4","7","1","7","2","1") = "6"
    & skf21("1","2","4","7","1","7","3","1") = "6"
    & skf21("1","2","4","7","1","7","4","1") = "6"
    & skf21("1","2","4","7","1","7","5","1") = "6"
    & skf21("1","2","4","7","1","7","6","1") = "6"
    & skf21("1","2","4","7","1","7","7","1") = "6"
    & skf21("1","2","4","7","2","1","1","1") = "6"
    & skf21("1","2","4","7","2","1","2","1") = "6"
    & skf21("1","2","4","7","2","1","3","1") = "6"
    & skf21("1","2","4","7","2","1","4","1") = "6"
    & skf21("1","2","4","7","2","1","5","1") = "6"
    & skf21("1","2","4","7","2","1","6","1") = "6"
    & skf21("1","2","4","7","2","1","7","1") = "6"
    & skf21("1","2","4","7","2","2","1","1") = "6"
    & skf21("1","2","4","7","2","2","2","1") = "6"
    & skf21("1","2","4","7","2","2","3","1") = "6"
    & skf21("1","2","4","7","2","2","4","1") = "6"
    & skf21("1","2","4","7","2","2","5","1") = "6"
    & skf21("1","2","4","7","2","2","6","1") = "6"
    & skf21("1","2","4","7","2","2","7","1") = "6"
    & skf21("1","2","4","7","2","3","1","1") = "6"
    & skf21("1","2","4","7","2","3","2","1") = "6"
    & skf21("1","2","4","7","2","3","3","1") = "6"
    & skf21("1","2","4","7","2","3","4","1") = "6"
    & skf21("1","2","4","7","2","3","5","1") = "6"
    & skf21("1","2","4","7","2","3","6","1") = "6"
    & skf21("1","2","4","7","2","3","7","1") = "6"
    & skf21("1","2","4","7","2","4","1","1") = "6"
    & skf21("1","2","4","7","2","4","2","1") = "6"
    & skf21("1","2","4","7","2","4","3","1") = "6"
    & skf21("1","2","4","7","2","4","4","1") = "6"
    & skf21("1","2","4","7","2","4","5","1") = "6"
    & skf21("1","2","4","7","2","4","6","1") = "6"
    & skf21("1","2","4","7","2","4","7","1") = "6"
    & skf21("1","2","4","7","2","5","1","1") = "6"
    & skf21("1","2","4","7","2","5","2","1") = "6"
    & skf21("1","2","4","7","2","5","3","1") = "6"
    & skf21("1","2","4","7","2","5","4","1") = "6"
    & skf21("1","2","4","7","2","5","5","1") = "6"
    & skf21("1","2","4","7","2","5","6","1") = "6"
    & skf21("1","2","4","7","2","5","7","1") = "6"
    & skf21("1","2","4","7","2","6","1","1") = "6"
    & skf21("1","2","4","7","2","6","2","1") = "6"
    & skf21("1","2","4","7","2","6","3","1") = "6"
    & skf21("1","2","4","7","2","6","4","1") = "6"
    & skf21("1","2","4","7","2","6","5","1") = "6"
    & skf21("1","2","4","7","2","6","6","1") = "6"
    & skf21("1","2","4","7","2","6","7","1") = "6"
    & skf21("1","2","4","7","2","7","1","1") = "6"
    & skf21("1","2","4","7","2","7","2","1") = "6"
    & skf21("1","2","4","7","2","7","3","1") = "6"
    & skf21("1","2","4","7","2","7","4","1") = "6"
    & skf21("1","2","4","7","2","7","5","1") = "6"
    & skf21("1","2","4","7","2","7","6","1") = "6"
    & skf21("1","2","4","7","2","7","7","1") = "6"
    & skf21("1","2","4","7","3","1","1","1") = "6"
    & skf21("1","2","4","7","3","1","2","1") = "6"
    & skf21("1","2","4","7","3","1","3","1") = "6"
    & skf21("1","2","4","7","3","1","4","1") = "6"
    & skf21("1","2","4","7","3","1","5","1") = "6"
    & skf21("1","2","4","7","3","1","6","1") = "6"
    & skf21("1","2","4","7","3","1","7","1") = "6"
    & skf21("1","2","4","7","3","2","1","1") = "6"
    & skf21("1","2","4","7","3","2","2","1") = "6"
    & skf21("1","2","4","7","3","2","3","1") = "6"
    & skf21("1","2","4","7","3","2","4","1") = "6"
    & skf21("1","2","4","7","3","2","5","1") = "6"
    & skf21("1","2","4","7","3","2","6","1") = "6"
    & skf21("1","2","4","7","3","2","7","1") = "6"
    & skf21("1","2","4","7","3","3","1","1") = "6"
    & skf21("1","2","4","7","3","3","2","1") = "6"
    & skf21("1","2","4","7","3","3","3","1") = "6"
    & skf21("1","2","4","7","3","3","4","1") = "6"
    & skf21("1","2","4","7","3","3","5","1") = "6"
    & skf21("1","2","4","7","3","3","6","1") = "6"
    & skf21("1","2","4","7","3","3","7","1") = "6"
    & skf21("1","2","4","7","3","4","1","1") = "6"
    & skf21("1","2","4","7","3","4","2","1") = "6"
    & skf21("1","2","4","7","3","4","3","1") = "6"
    & skf21("1","2","4","7","3","4","4","1") = "6"
    & skf21("1","2","4","7","3","4","5","1") = "6"
    & skf21("1","2","4","7","3","4","6","1") = "6"
    & skf21("1","2","4","7","3","4","7","1") = "6"
    & skf21("1","2","4","7","3","5","1","1") = "6"
    & skf21("1","2","4","7","3","5","2","1") = "6"
    & skf21("1","2","4","7","3","5","3","1") = "6"
    & skf21("1","2","4","7","3","5","4","1") = "6"
    & skf21("1","2","4","7","3","5","5","1") = "6"
    & skf21("1","2","4","7","3","5","6","1") = "6"
    & skf21("1","2","4","7","3","5","7","1") = "6"
    & skf21("1","2","4","7","3","6","1","1") = "6"
    & skf21("1","2","4","7","3","6","2","1") = "6"
    & skf21("1","2","4","7","3","6","3","1") = "6"
    & skf21("1","2","4","7","3","6","4","1") = "6"
    & skf21("1","2","4","7","3","6","5","1") = "6"
    & skf21("1","2","4","7","3","6","6","1") = "6"
    & skf21("1","2","4","7","3","6","7","1") = "6"
    & skf21("1","2","4","7","3","7","1","1") = "6"
    & skf21("1","2","4","7","3","7","2","1") = "6"
    & skf21("1","2","4","7","3","7","3","1") = "6"
    & skf21("1","2","4","7","3","7","4","1") = "6"
    & skf21("1","2","4","7","3","7","5","1") = "6"
    & skf21("1","2","4","7","3","7","6","1") = "6"
    & skf21("1","2","4","7","3","7","7","1") = "6"
    & skf21("1","2","4","7","4","1","1","1") = "6"
    & skf21("1","2","4","7","4","1","2","1") = "6"
    & skf21("1","2","4","7","4","1","3","1") = "6"
    & skf21("1","2","4","7","4","1","4","1") = "6"
    & skf21("1","2","4","7","4","1","5","1") = "6"
    & skf21("1","2","4","7","4","1","6","1") = "6"
    & skf21("1","2","4","7","4","1","7","1") = "6"
    & skf21("1","2","4","7","4","2","1","1") = "6"
    & skf21("1","2","4","7","4","2","2","1") = "6"
    & skf21("1","2","4","7","4","2","3","1") = "6"
    & skf21("1","2","4","7","4","2","4","1") = "6"
    & skf21("1","2","4","7","4","2","5","1") = "6"
    & skf21("1","2","4","7","4","2","6","1") = "6"
    & skf21("1","2","4","7","4","2","7","1") = "6"
    & skf21("1","2","4","7","4","3","1","1") = "6"
    & skf21("1","2","4","7","4","3","2","1") = "6"
    & skf21("1","2","4","7","4","3","3","1") = "6"
    & skf21("1","2","4","7","4","3","4","1") = "6"
    & skf21("1","2","4","7","4","3","5","1") = "6"
    & skf21("1","2","4","7","4","3","6","1") = "6"
    & skf21("1","2","4","7","4","3","7","1") = "6"
    & skf21("1","2","4","7","4","4","1","1") = "6"
    & skf21("1","2","4","7","4","4","2","1") = "6"
    & skf21("1","2","4","7","4","4","3","1") = "6"
    & skf21("1","2","4","7","4","4","4","1") = "6"
    & skf21("1","2","4","7","4","4","5","1") = "6"
    & skf21("1","2","4","7","4","4","6","1") = "6"
    & skf21("1","2","4","7","4","4","7","1") = "6"
    & skf21("1","2","4","7","4","5","1","1") = "6"
    & skf21("1","2","4","7","4","5","2","1") = "6"
    & skf21("1","2","4","7","4","5","3","1") = "6"
    & skf21("1","2","4","7","4","5","4","1") = "6"
    & skf21("1","2","4","7","4","5","5","1") = "6"
    & skf21("1","2","4","7","4","5","6","1") = "6"
    & skf21("1","2","4","7","4","5","7","1") = "6"
    & skf21("1","2","4","7","4","6","1","1") = "6"
    & skf21("1","2","4","7","4","6","2","1") = "6"
    & skf21("1","2","4","7","4","6","3","1") = "6"
    & skf21("1","2","4","7","4","6","4","1") = "6"
    & skf21("1","2","4","7","4","6","5","1") = "6"
    & skf21("1","2","4","7","4","6","6","1") = "6"
    & skf21("1","2","4","7","4","6","7","1") = "6"
    & skf21("1","2","4","7","4","7","1","1") = "6"
    & skf21("1","2","4","7","4","7","2","1") = "6"
    & skf21("1","2","4","7","4","7","3","1") = "6"
    & skf21("1","2","4","7","4","7","4","1") = "6"
    & skf21("1","2","4","7","4","7","5","1") = "6"
    & skf21("1","2","4","7","4","7","6","1") = "6"
    & skf21("1","2","4","7","4","7","7","1") = "6"
    & skf21("1","2","4","7","5","1","1","1") = "6"
    & skf21("1","2","4","7","5","1","2","1") = "6"
    & skf21("1","2","4","7","5","1","3","1") = "6"
    & skf21("1","2","4","7","5","1","4","1") = "6"
    & skf21("1","2","4","7","5","1","5","1") = "6"
    & skf21("1","2","4","7","5","1","6","1") = "6"
    & skf21("1","2","4","7","5","1","7","1") = "6"
    & skf21("1","2","4","7","5","2","1","1") = "6"
    & skf21("1","2","4","7","5","2","2","1") = "6"
    & skf21("1","2","4","7","5","2","3","1") = "6"
    & skf21("1","2","4","7","5","2","4","1") = "6"
    & skf21("1","2","4","7","5","2","5","1") = "6"
    & skf21("1","2","4","7","5","2","6","1") = "6"
    & skf21("1","2","4","7","5","2","7","1") = "6"
    & skf21("1","2","4","7","5","3","1","1") = "6"
    & skf21("1","2","4","7","5","3","2","1") = "6"
    & skf21("1","2","4","7","5","3","3","1") = "6"
    & skf21("1","2","4","7","5","3","4","1") = "6"
    & skf21("1","2","4","7","5","3","5","1") = "6"
    & skf21("1","2","4","7","5","3","6","1") = "6"
    & skf21("1","2","4","7","5","3","7","1") = "6"
    & skf21("1","2","4","7","5","4","1","1") = "6"
    & skf21("1","2","4","7","5","4","2","1") = "6"
    & skf21("1","2","4","7","5","4","3","1") = "6"
    & skf21("1","2","4","7","5","4","4","1") = "6"
    & skf21("1","2","4","7","5","4","5","1") = "6"
    & skf21("1","2","4","7","5","4","6","1") = "6"
    & skf21("1","2","4","7","5","4","7","1") = "6"
    & skf21("1","2","4","7","5","5","1","1") = "6"
    & skf21("1","2","4","7","5","5","2","1") = "6"
    & skf21("1","2","4","7","5","5","3","1") = "6"
    & skf21("1","2","4","7","5","5","4","1") = "6"
    & skf21("1","2","4","7","5","5","5","1") = "6"
    & skf21("1","2","4","7","5","5","6","1") = "6"
    & skf21("1","2","4","7","5","5","7","1") = "6"
    & skf21("1","2","4","7","5","6","1","1") = "6"
    & skf21("1","2","4","7","5","6","2","1") = "6"
    & skf21("1","2","4","7","5","6","3","1") = "6"
    & skf21("1","2","4","7","5","6","4","1") = "6"
    & skf21("1","2","4","7","5","6","5","1") = "6"
    & skf21("1","2","4","7","5","6","6","1") = "6"
    & skf21("1","2","4","7","5","6","7","1") = "6"
    & skf21("1","2","4","7","5","7","1","1") = "6"
    & skf21("1","2","4","7","5","7","2","1") = "6"
    & skf21("1","2","4","7","5","7","3","1") = "6"
    & skf21("1","2","4","7","5","7","4","1") = "6"
    & skf21("1","2","4","7","5","7","5","1") = "6"
    & skf21("1","2","4","7","5","7","6","1") = "6"
    & skf21("1","2","4","7","5","7","7","1") = "6"
    & skf21("1","2","4","7","6","1","1","1") = "6"
    & skf21("1","2","4","7","6","1","2","1") = "6"
    & skf21("1","2","4","7","6","1","3","1") = "6"
    & skf21("1","2","4","7","6","1","4","1") = "6"
    & skf21("1","2","4","7","6","1","5","1") = "6"
    & skf21("1","2","4","7","6","1","6","1") = "6"
    & skf21("1","2","4","7","6","1","7","1") = "6"
    & skf21("1","2","4","7","6","2","1","1") = "6"
    & skf21("1","2","4","7","6","2","2","1") = "6"
    & skf21("1","2","4","7","6","2","3","1") = "6"
    & skf21("1","2","4","7","6","2","4","1") = "6"
    & skf21("1","2","4","7","6","2","5","1") = "6"
    & skf21("1","2","4","7","6","2","6","1") = "6"
    & skf21("1","2","4","7","6","2","7","1") = "6"
    & skf21("1","2","4","7","6","3","1","1") = "6"
    & skf21("1","2","4","7","6","3","2","1") = "6"
    & skf21("1","2","4","7","6","3","3","1") = "6"
    & skf21("1","2","4","7","6","3","4","1") = "6"
    & skf21("1","2","4","7","6","3","5","1") = "6"
    & skf21("1","2","4","7","6","3","6","1") = "6"
    & skf21("1","2","4","7","6","3","7","1") = "6"
    & skf21("1","2","4","7","6","4","1","1") = "6"
    & skf21("1","2","4","7","6","4","2","1") = "6"
    & skf21("1","2","4","7","6","4","3","1") = "6"
    & skf21("1","2","4","7","6","4","4","1") = "6"
    & skf21("1","2","4","7","6","4","5","1") = "6"
    & skf21("1","2","4","7","6","4","6","1") = "6"
    & skf21("1","2","4","7","6","4","7","1") = "6"
    & skf21("1","2","4","7","6","5","1","1") = "6"
    & skf21("1","2","4","7","6","5","2","1") = "6"
    & skf21("1","2","4","7","6","5","3","1") = "6"
    & skf21("1","2","4","7","6","5","4","1") = "6"
    & skf21("1","2","4","7","6","5","5","1") = "6"
    & skf21("1","2","4","7","6","5","6","1") = "6"
    & skf21("1","2","4","7","6","5","7","1") = "6"
    & skf21("1","2","4","7","6","6","1","1") = "6"
    & skf21("1","2","4","7","6","6","2","1") = "6"
    & skf21("1","2","4","7","6","6","3","1") = "6"
    & skf21("1","2","4","7","6","6","4","1") = "6"
    & skf21("1","2","4","7","6","6","5","1") = "6"
    & skf21("1","2","4","7","6","6","6","1") = "6"
    & skf21("1","2","4","7","6","6","7","1") = "6"
    & skf21("1","2","4","7","6","7","1","1") = "6"
    & skf21("1","2","4","7","6","7","2","1") = "6"
    & skf21("1","2","4","7","6","7","3","1") = "6"
    & skf21("1","2","4","7","6","7","4","1") = "6"
    & skf21("1","2","4","7","6","7","5","1") = "6"
    & skf21("1","2","4","7","6","7","6","1") = "6"
    & skf21("1","2","4","7","6","7","7","1") = "6"
    & skf21("1","2","4","7","7","1","1","1") = "6"
    & skf21("1","2","4","7","7","1","2","1") = "6"
    & skf21("1","2","4","7","7","1","3","1") = "6"
    & skf21("1","2","4","7","7","1","4","1") = "6"
    & skf21("1","2","4","7","7","1","5","1") = "6"
    & skf21("1","2","4","7","7","1","6","1") = "6"
    & skf21("1","2","4","7","7","1","7","1") = "6"
    & skf21("1","2","4","7","7","2","1","1") = "6"
    & skf21("1","2","4","7","7","2","2","1") = "6"
    & skf21("1","2","4","7","7","2","3","1") = "6"
    & skf21("1","2","4","7","7","2","4","1") = "6"
    & skf21("1","2","4","7","7","2","5","1") = "6"
    & skf21("1","2","4","7","7","2","6","1") = "6"
    & skf21("1","2","4","7","7","2","7","1") = "6"
    & skf21("1","2","4","7","7","3","1","1") = "6"
    & skf21("1","2","4","7","7","3","2","1") = "6"
    & skf21("1","2","4","7","7","3","3","1") = "6"
    & skf21("1","2","4","7","7","3","4","1") = "6"
    & skf21("1","2","4","7","7","3","5","1") = "6"
    & skf21("1","2","4","7","7","3","6","1") = "6"
    & skf21("1","2","4","7","7","3","7","1") = "6"
    & skf21("1","2","4","7","7","4","1","1") = "6"
    & skf21("1","2","4","7","7","4","2","1") = "6"
    & skf21("1","2","4","7","7","4","3","1") = "6"
    & skf21("1","2","4","7","7","4","4","1") = "6"
    & skf21("1","2","4","7","7","4","5","1") = "6"
    & skf21("1","2","4","7","7","4","6","1") = "6"
    & skf21("1","2","4","7","7","4","7","1") = "6"
    & skf21("1","2","4","7","7","5","1","1") = "6"
    & skf21("1","2","4","7","7","5","2","1") = "6"
    & skf21("1","2","4","7","7","5","3","1") = "6"
    & skf21("1","2","4","7","7","5","4","1") = "6"
    & skf21("1","2","4","7","7","5","5","1") = "6"
    & skf21("1","2","4","7","7","5","6","1") = "6"
    & skf21("1","2","4","7","7","5","7","1") = "6"
    & skf21("1","2","4","7","7","6","1","1") = "6"
    & skf21("1","2","4","7","7","6","2","1") = "6"
    & skf21("1","2","4","7","7","6","3","1") = "6"
    & skf21("1","2","4","7","7","6","4","1") = "6"
    & skf21("1","2","4","7","7","6","5","1") = "6"
    & skf21("1","2","4","7","7","6","6","1") = "6"
    & skf21("1","2","4","7","7","6","7","1") = "6"
    & skf21("1","2","4","7","7","7","1","1") = "6"
    & skf21("1","2","4","7","7","7","2","1") = "6"
    & skf21("1","2","4","7","7","7","3","1") = "6"
    & skf21("1","2","4","7","7","7","4","1") = "6"
    & skf21("1","2","4","7","7","7","5","1") = "6"
    & skf21("1","2","4","7","7","7","6","1") = "6"
    & skf21("1","2","4","7","7","7","7","1") = "6"
    & skf21("1","2","5","1","1","1","1","1") = "4"
    & skf21("1","2","5","1","1","1","2","1") = "4"
    & skf21("1","2","5","1","1","1","3","1") = "4"
    & skf21("1","2","5","1","1","1","4","1") = "4"
    & skf21("1","2","5","1","1","1","5","1") = "4"
    & skf21("1","2","5","1","1","1","6","1") = "5"
    & skf21("1","2","5","1","1","1","7","1") = "6"
    & skf21("1","2","5","1","1","2","1","1") = "4"
    & skf21("1","2","5","1","1","2","2","1") = "4"
    & skf21("1","2","5","1","1","2","3","1") = "4"
    & skf21("1","2","5","1","1","2","4","1") = "4"
    & skf21("1","2","5","1","1","2","5","1") = "4"
    & skf21("1","2","5","1","1","2","6","1") = "5"
    & skf21("1","2","5","1","1","2","7","1") = "6"
    & skf21("1","2","5","1","1","3","1","1") = "4"
    & skf21("1","2","5","1","1","3","2","1") = "4"
    & skf21("1","2","5","1","1","3","3","1") = "4"
    & skf21("1","2","5","1","1","3","4","1") = "4"
    & skf21("1","2","5","1","1","3","5","1") = "4"
    & skf21("1","2","5","1","1","3","6","1") = "5"
    & skf21("1","2","5","1","1","3","7","1") = "6"
    & skf21("1","2","5","1","1","4","1","1") = "4"
    & skf21("1","2","5","1","1","4","2","1") = "4"
    & skf21("1","2","5","1","1","4","3","1") = "4"
    & skf21("1","2","5","1","1","4","4","1") = "4"
    & skf21("1","2","5","1","1","4","5","1") = "4"
    & skf21("1","2","5","1","1","4","6","1") = "5"
    & skf21("1","2","5","1","1","4","7","1") = "6"
    & skf21("1","2","5","1","1","5","1","1") = "4"
    & skf21("1","2","5","1","1","5","2","1") = "4"
    & skf21("1","2","5","1","1","5","3","1") = "4"
    & skf21("1","2","5","1","1","5","4","1") = "4"
    & skf21("1","2","5","1","1","5","5","1") = "4"
    & skf21("1","2","5","1","1","5","6","1") = "5"
    & skf21("1","2","5","1","1","5","7","1") = "6"
    & skf21("1","2","5","1","1","6","1","1") = "5"
    & skf21("1","2","5","1","1","6","2","1") = "5"
    & skf21("1","2","5","1","1","6","3","1") = "5"
    & skf21("1","2","5","1","1","6","4","1") = "5"
    & skf21("1","2","5","1","1","6","5","1") = "5"
    & skf21("1","2","5","1","1","6","6","1") = "5"
    & skf21("1","2","5","1","1","6","7","1") = "6"
    & skf21("1","2","5","1","1","7","1","1") = "6"
    & skf21("1","2","5","1","1","7","2","1") = "6"
    & skf21("1","2","5","1","1","7","3","1") = "6"
    & skf21("1","2","5","1","1","7","4","1") = "6"
    & skf21("1","2","5","1","1","7","5","1") = "6"
    & skf21("1","2","5","1","1","7","6","1") = "6"
    & skf21("1","2","5","1","1","7","7","1") = "6"
    & skf21("1","2","5","1","2","1","1","1") = "4"
    & skf21("1","2","5","1","2","1","2","1") = "4"
    & skf21("1","2","5","1","2","1","3","1") = "4"
    & skf21("1","2","5","1","2","1","4","1") = "4"
    & skf21("1","2","5","1","2","1","5","1") = "4"
    & skf21("1","2","5","1","2","1","6","1") = "5"
    & skf21("1","2","5","1","2","1","7","1") = "6"
    & skf21("1","2","5","1","2","2","1","1") = "4"
    & skf21("1","2","5","1","2","2","2","1") = "4"
    & skf21("1","2","5","1","2","2","3","1") = "4"
    & skf21("1","2","5","1","2","2","4","1") = "4"
    & skf21("1","2","5","1","2","2","5","1") = "4"
    & skf21("1","2","5","1","2","2","6","1") = "5"
    & skf21("1","2","5","1","2","2","7","1") = "6"
    & skf21("1","2","5","1","2","3","1","1") = "4"
    & skf21("1","2","5","1","2","3","2","1") = "4"
    & skf21("1","2","5","1","2","3","3","1") = "4"
    & skf21("1","2","5","1","2","3","4","1") = "4"
    & skf21("1","2","5","1","2","3","5","1") = "4"
    & skf21("1","2","5","1","2","3","6","1") = "5"
    & skf21("1","2","5","1","2","3","7","1") = "6"
    & skf21("1","2","5","1","2","4","1","1") = "4"
    & skf21("1","2","5","1","2","4","2","1") = "4"
    & skf21("1","2","5","1","2","4","3","1") = "4"
    & skf21("1","2","5","1","2","4","4","1") = "4"
    & skf21("1","2","5","1","2","4","5","1") = "4"
    & skf21("1","2","5","1","2","4","6","1") = "5"
    & skf21("1","2","5","1","2","4","7","1") = "6"
    & skf21("1","2","5","1","2","5","1","1") = "4"
    & skf21("1","2","5","1","2","5","2","1") = "4"
    & skf21("1","2","5","1","2","5","3","1") = "4"
    & skf21("1","2","5","1","2","5","4","1") = "4"
    & skf21("1","2","5","1","2","5","5","1") = "4"
    & skf21("1","2","5","1","2","5","6","1") = "5"
    & skf21("1","2","5","1","2","5","7","1") = "6"
    & skf21("1","2","5","1","2","6","1","1") = "5"
    & skf21("1","2","5","1","2","6","2","1") = "5"
    & skf21("1","2","5","1","2","6","3","1") = "5"
    & skf21("1","2","5","1","2","6","4","1") = "5"
    & skf21("1","2","5","1","2","6","5","1") = "5"
    & skf21("1","2","5","1","2","6","6","1") = "5"
    & skf21("1","2","5","1","2","6","7","1") = "6"
    & skf21("1","2","5","1","2","7","1","1") = "6"
    & skf21("1","2","5","1","2","7","2","1") = "6"
    & skf21("1","2","5","1","2","7","3","1") = "6"
    & skf21("1","2","5","1","2","7","4","1") = "6"
    & skf21("1","2","5","1","2","7","5","1") = "6"
    & skf21("1","2","5","1","2","7","6","1") = "6"
    & skf21("1","2","5","1","2","7","7","1") = "6"
    & skf21("1","2","5","1","3","1","1","1") = "4"
    & skf21("1","2","5","1","3","1","2","1") = "4"
    & skf21("1","2","5","1","3","1","3","1") = "4"
    & skf21("1","2","5","1","3","1","4","1") = "4"
    & skf21("1","2","5","1","3","1","5","1") = "4"
    & skf21("1","2","5","1","3","1","6","1") = "5"
    & skf21("1","2","5","1","3","1","7","1") = "6"
    & skf21("1","2","5","1","3","2","1","1") = "4"
    & skf21("1","2","5","1","3","2","2","1") = "4"
    & skf21("1","2","5","1","3","2","3","1") = "4"
    & skf21("1","2","5","1","3","2","4","1") = "4"
    & skf21("1","2","5","1","3","2","5","1") = "4"
    & skf21("1","2","5","1","3","2","6","1") = "5"
    & skf21("1","2","5","1","3","2","7","1") = "6"
    & skf21("1","2","5","1","3","3","1","1") = "4"
    & skf21("1","2","5","1","3","3","2","1") = "4"
    & skf21("1","2","5","1","3","3","3","1") = "4"
    & skf21("1","2","5","1","3","3","4","1") = "4"
    & skf21("1","2","5","1","3","3","5","1") = "4"
    & skf21("1","2","5","1","3","3","6","1") = "5"
    & skf21("1","2","5","1","3","3","7","1") = "6"
    & skf21("1","2","5","1","3","4","1","1") = "4"
    & skf21("1","2","5","1","3","4","2","1") = "4"
    & skf21("1","2","5","1","3","4","3","1") = "4"
    & skf21("1","2","5","1","3","4","4","1") = "4"
    & skf21("1","2","5","1","3","4","5","1") = "4"
    & skf21("1","2","5","1","3","4","6","1") = "5"
    & skf21("1","2","5","1","3","4","7","1") = "6"
    & skf21("1","2","5","1","3","5","1","1") = "4"
    & skf21("1","2","5","1","3","5","2","1") = "4"
    & skf21("1","2","5","1","3","5","3","1") = "4"
    & skf21("1","2","5","1","3","5","4","1") = "4"
    & skf21("1","2","5","1","3","5","5","1") = "4"
    & skf21("1","2","5","1","3","5","6","1") = "5"
    & skf21("1","2","5","1","3","5","7","1") = "6"
    & skf21("1","2","5","1","3","6","1","1") = "5"
    & skf21("1","2","5","1","3","6","2","1") = "5"
    & skf21("1","2","5","1","3","6","3","1") = "5"
    & skf21("1","2","5","1","3","6","4","1") = "5"
    & skf21("1","2","5","1","3","6","5","1") = "5"
    & skf21("1","2","5","1","3","6","6","1") = "5"
    & skf21("1","2","5","1","3","6","7","1") = "6"
    & skf21("1","2","5","1","3","7","1","1") = "6"
    & skf21("1","2","5","1","3","7","2","1") = "6"
    & skf21("1","2","5","1","3","7","3","1") = "6"
    & skf21("1","2","5","1","3","7","4","1") = "6"
    & skf21("1","2","5","1","3","7","5","1") = "6"
    & skf21("1","2","5","1","3","7","6","1") = "6"
    & skf21("1","2","5","1","3","7","7","1") = "6"
    & skf21("1","2","5","1","4","1","1","1") = "4"
    & skf21("1","2","5","1","4","1","2","1") = "4"
    & skf21("1","2","5","1","4","1","3","1") = "4"
    & skf21("1","2","5","1","4","1","4","1") = "4"
    & skf21("1","2","5","1","4","1","5","1") = "4"
    & skf21("1","2","5","1","4","1","6","1") = "5"
    & skf21("1","2","5","1","4","1","7","1") = "6"
    & skf21("1","2","5","1","4","2","1","1") = "4"
    & skf21("1","2","5","1","4","2","2","1") = "4"
    & skf21("1","2","5","1","4","2","3","1") = "4"
    & skf21("1","2","5","1","4","2","4","1") = "4"
    & skf21("1","2","5","1","4","2","5","1") = "4"
    & skf21("1","2","5","1","4","2","6","1") = "5"
    & skf21("1","2","5","1","4","2","7","1") = "6"
    & skf21("1","2","5","1","4","3","1","1") = "4"
    & skf21("1","2","5","1","4","3","2","1") = "4"
    & skf21("1","2","5","1","4","3","3","1") = "4"
    & skf21("1","2","5","1","4","3","4","1") = "4"
    & skf21("1","2","5","1","4","3","5","1") = "4"
    & skf21("1","2","5","1","4","3","6","1") = "5"
    & skf21("1","2","5","1","4","3","7","1") = "6"
    & skf21("1","2","5","1","4","4","1","1") = "4"
    & skf21("1","2","5","1","4","4","2","1") = "4"
    & skf21("1","2","5","1","4","4","3","1") = "4"
    & skf21("1","2","5","1","4","4","4","1") = "4"
    & skf21("1","2","5","1","4","4","5","1") = "4"
    & skf21("1","2","5","1","4","4","6","1") = "5"
    & skf21("1","2","5","1","4","4","7","1") = "6"
    & skf21("1","2","5","1","4","5","1","1") = "4"
    & skf21("1","2","5","1","4","5","2","1") = "4"
    & skf21("1","2","5","1","4","5","3","1") = "4"
    & skf21("1","2","5","1","4","5","4","1") = "4"
    & skf21("1","2","5","1","4","5","5","1") = "4"
    & skf21("1","2","5","1","4","5","6","1") = "5"
    & skf21("1","2","5","1","4","5","7","1") = "6"
    & skf21("1","2","5","1","4","6","1","1") = "5"
    & skf21("1","2","5","1","4","6","2","1") = "5"
    & skf21("1","2","5","1","4","6","3","1") = "5"
    & skf21("1","2","5","1","4","6","4","1") = "5"
    & skf21("1","2","5","1","4","6","5","1") = "5"
    & skf21("1","2","5","1","4","6","6","1") = "5"
    & skf21("1","2","5","1","4","6","7","1") = "6"
    & skf21("1","2","5","1","4","7","1","1") = "6"
    & skf21("1","2","5","1","4","7","2","1") = "6"
    & skf21("1","2","5","1","4","7","3","1") = "6"
    & skf21("1","2","5","1","4","7","4","1") = "6"
    & skf21("1","2","5","1","4","7","5","1") = "6"
    & skf21("1","2","5","1","4","7","6","1") = "6"
    & skf21("1","2","5","1","4","7","7","1") = "6"
    & skf21("1","2","5","1","5","1","1","1") = "4"
    & skf21("1","2","5","1","5","1","2","1") = "4"
    & skf21("1","2","5","1","5","1","3","1") = "4"
    & skf21("1","2","5","1","5","1","4","1") = "4"
    & skf21("1","2","5","1","5","1","5","1") = "4"
    & skf21("1","2","5","1","5","1","6","1") = "5"
    & skf21("1","2","5","1","5","1","7","1") = "6"
    & skf21("1","2","5","1","5","2","1","1") = "4"
    & skf21("1","2","5","1","5","2","2","1") = "4"
    & skf21("1","2","5","1","5","2","3","1") = "4"
    & skf21("1","2","5","1","5","2","4","1") = "4"
    & skf21("1","2","5","1","5","2","5","1") = "4"
    & skf21("1","2","5","1","5","2","6","1") = "5"
    & skf21("1","2","5","1","5","2","7","1") = "6"
    & skf21("1","2","5","1","5","3","1","1") = "4"
    & skf21("1","2","5","1","5","3","2","1") = "4"
    & skf21("1","2","5","1","5","3","3","1") = "4"
    & skf21("1","2","5","1","5","3","4","1") = "4"
    & skf21("1","2","5","1","5","3","5","1") = "4"
    & skf21("1","2","5","1","5","3","6","1") = "5"
    & skf21("1","2","5","1","5","3","7","1") = "6"
    & skf21("1","2","5","1","5","4","1","1") = "4"
    & skf21("1","2","5","1","5","4","2","1") = "4"
    & skf21("1","2","5","1","5","4","3","1") = "4"
    & skf21("1","2","5","1","5","4","4","1") = "4"
    & skf21("1","2","5","1","5","4","5","1") = "4"
    & skf21("1","2","5","1","5","4","6","1") = "5"
    & skf21("1","2","5","1","5","4","7","1") = "6"
    & skf21("1","2","5","1","5","5","1","1") = "4"
    & skf21("1","2","5","1","5","5","2","1") = "4"
    & skf21("1","2","5","1","5","5","3","1") = "4"
    & skf21("1","2","5","1","5","5","4","1") = "4"
    & skf21("1","2","5","1","5","5","5","1") = "4"
    & skf21("1","2","5","1","5","5","6","1") = "5"
    & skf21("1","2","5","1","5","5","7","1") = "6"
    & skf21("1","2","5","1","5","6","1","1") = "5"
    & skf21("1","2","5","1","5","6","2","1") = "5"
    & skf21("1","2","5","1","5","6","3","1") = "5"
    & skf21("1","2","5","1","5","6","4","1") = "5"
    & skf21("1","2","5","1","5","6","5","1") = "5"
    & skf21("1","2","5","1","5","6","6","1") = "5"
    & skf21("1","2","5","1","5","6","7","1") = "6"
    & skf21("1","2","5","1","5","7","1","1") = "6"
    & skf21("1","2","5","1","5","7","2","1") = "6"
    & skf21("1","2","5","1","5","7","3","1") = "6"
    & skf21("1","2","5","1","5","7","4","1") = "6"
    & skf21("1","2","5","1","5","7","5","1") = "6"
    & skf21("1","2","5","1","5","7","6","1") = "6"
    & skf21("1","2","5","1","5","7","7","1") = "6"
    & skf21("1","2","5","1","6","1","1","1") = "5"
    & skf21("1","2","5","1","6","1","2","1") = "5"
    & skf21("1","2","5","1","6","1","3","1") = "5"
    & skf21("1","2","5","1","6","1","4","1") = "5"
    & skf21("1","2","5","1","6","1","5","1") = "5"
    & skf21("1","2","5","1","6","1","6","1") = "5"
    & skf21("1","2","5","1","6","1","7","1") = "6"
    & skf21("1","2","5","1","6","2","1","1") = "5"
    & skf21("1","2","5","1","6","2","2","1") = "5"
    & skf21("1","2","5","1","6","2","3","1") = "5"
    & skf21("1","2","5","1","6","2","4","1") = "5"
    & skf21("1","2","5","1","6","2","5","1") = "5"
    & skf21("1","2","5","1","6","2","6","1") = "5"
    & skf21("1","2","5","1","6","2","7","1") = "6"
    & skf21("1","2","5","1","6","3","1","1") = "5"
    & skf21("1","2","5","1","6","3","2","1") = "5"
    & skf21("1","2","5","1","6","3","3","1") = "5"
    & skf21("1","2","5","1","6","3","4","1") = "5"
    & skf21("1","2","5","1","6","3","5","1") = "5"
    & skf21("1","2","5","1","6","3","6","1") = "5"
    & skf21("1","2","5","1","6","3","7","1") = "6"
    & skf21("1","2","5","1","6","4","1","1") = "5"
    & skf21("1","2","5","1","6","4","2","1") = "5"
    & skf21("1","2","5","1","6","4","3","1") = "5"
    & skf21("1","2","5","1","6","4","4","1") = "5"
    & skf21("1","2","5","1","6","4","5","1") = "5"
    & skf21("1","2","5","1","6","4","6","1") = "5"
    & skf21("1","2","5","1","6","4","7","1") = "6"
    & skf21("1","2","5","1","6","5","1","1") = "5"
    & skf21("1","2","5","1","6","5","2","1") = "5"
    & skf21("1","2","5","1","6","5","3","1") = "5"
    & skf21("1","2","5","1","6","5","4","1") = "5"
    & skf21("1","2","5","1","6","5","5","1") = "5"
    & skf21("1","2","5","1","6","5","6","1") = "5"
    & skf21("1","2","5","1","6","5","7","1") = "6"
    & skf21("1","2","5","1","6","6","1","1") = "5"
    & skf21("1","2","5","1","6","6","2","1") = "5"
    & skf21("1","2","5","1","6","6","3","1") = "5"
    & skf21("1","2","5","1","6","6","4","1") = "5"
    & skf21("1","2","5","1","6","6","5","1") = "5"
    & skf21("1","2","5","1","6","6","6","1") = "5"
    & skf21("1","2","5","1","6","6","7","1") = "6"
    & skf21("1","2","5","1","6","7","1","1") = "6"
    & skf21("1","2","5","1","6","7","2","1") = "6"
    & skf21("1","2","5","1","6","7","3","1") = "6"
    & skf21("1","2","5","1","6","7","4","1") = "6"
    & skf21("1","2","5","1","6","7","5","1") = "6"
    & skf21("1","2","5","1","6","7","6","1") = "6"
    & skf21("1","2","5","1","6","7","7","1") = "6"
    & skf21("1","2","5","1","7","1","1","1") = "6"
    & skf21("1","2","5","1","7","1","2","1") = "6"
    & skf21("1","2","5","1","7","1","3","1") = "6"
    & skf21("1","2","5","1","7","1","4","1") = "6"
    & skf21("1","2","5","1","7","1","5","1") = "6"
    & skf21("1","2","5","1","7","1","6","1") = "6"
    & skf21("1","2","5","1","7","1","7","1") = "6"
    & skf21("1","2","5","1","7","2","1","1") = "6"
    & skf21("1","2","5","1","7","2","2","1") = "6"
    & skf21("1","2","5","1","7","2","3","1") = "6"
    & skf21("1","2","5","1","7","2","4","1") = "6"
    & skf21("1","2","5","1","7","2","5","1") = "6"
    & skf21("1","2","5","1","7","2","6","1") = "6"
    & skf21("1","2","5","1","7","2","7","1") = "6"
    & skf21("1","2","5","1","7","3","1","1") = "6"
    & skf21("1","2","5","1","7","3","2","1") = "6"
    & skf21("1","2","5","1","7","3","3","1") = "6"
    & skf21("1","2","5","1","7","3","4","1") = "6"
    & skf21("1","2","5","1","7","3","5","1") = "6"
    & skf21("1","2","5","1","7","3","6","1") = "6"
    & skf21("1","2","5","1","7","3","7","1") = "6"
    & skf21("1","2","5","1","7","4","1","1") = "6"
    & skf21("1","2","5","1","7","4","2","1") = "6"
    & skf21("1","2","5","1","7","4","3","1") = "6"
    & skf21("1","2","5","1","7","4","4","1") = "6"
    & skf21("1","2","5","1","7","4","5","1") = "6"
    & skf21("1","2","5","1","7","4","6","1") = "6"
    & skf21("1","2","5","1","7","4","7","1") = "6"
    & skf21("1","2","5","1","7","5","1","1") = "6"
    & skf21("1","2","5","1","7","5","2","1") = "6"
    & skf21("1","2","5","1","7","5","3","1") = "6"
    & skf21("1","2","5","1","7","5","4","1") = "6"
    & skf21("1","2","5","1","7","5","5","1") = "6"
    & skf21("1","2","5","1","7","5","6","1") = "6"
    & skf21("1","2","5","1","7","5","7","1") = "6"
    & skf21("1","2","5","1","7","6","1","1") = "6"
    & skf21("1","2","5","1","7","6","2","1") = "6"
    & skf21("1","2","5","1","7","6","3","1") = "6"
    & skf21("1","2","5","1","7","6","4","1") = "6"
    & skf21("1","2","5","1","7","6","5","1") = "6"
    & skf21("1","2","5","1","7","6","6","1") = "6"
    & skf21("1","2","5","1","7","6","7","1") = "6"
    & skf21("1","2","5","1","7","7","1","1") = "6"
    & skf21("1","2","5","1","7","7","2","1") = "6"
    & skf21("1","2","5","1","7","7","3","1") = "6"
    & skf21("1","2","5","1","7","7","4","1") = "6"
    & skf21("1","2","5","1","7","7","5","1") = "6"
    & skf21("1","2","5","1","7","7","6","1") = "6"
    & skf21("1","2","5","1","7","7","7","1") = "6"
    & skf21("1","2","5","2","1","1","1","1") = "4"
    & skf21("1","2","5","2","1","1","2","1") = "4"
    & skf21("1","2","5","2","1","1","3","1") = "4"
    & skf21("1","2","5","2","1","1","4","1") = "4"
    & skf21("1","2","5","2","1","1","5","1") = "4"
    & skf21("1","2","5","2","1","1","6","1") = "5"
    & skf21("1","2","5","2","1","1","7","1") = "6"
    & skf21("1","2","5","2","1","2","1","1") = "4"
    & skf21("1","2","5","2","1","2","2","1") = "4"
    & skf21("1","2","5","2","1","2","3","1") = "4"
    & skf21("1","2","5","2","1","2","4","1") = "4"
    & skf21("1","2","5","2","1","2","5","1") = "4"
    & skf21("1","2","5","2","1","2","6","1") = "5"
    & skf21("1","2","5","2","1","2","7","1") = "6"
    & skf21("1","2","5","2","1","3","1","1") = "4"
    & skf21("1","2","5","2","1","3","2","1") = "4"
    & skf21("1","2","5","2","1","3","3","1") = "4"
    & skf21("1","2","5","2","1","3","4","1") = "4"
    & skf21("1","2","5","2","1","3","5","1") = "4"
    & skf21("1","2","5","2","1","3","6","1") = "5"
    & skf21("1","2","5","2","1","3","7","1") = "6"
    & skf21("1","2","5","2","1","4","1","1") = "4"
    & skf21("1","2","5","2","1","4","2","1") = "4"
    & skf21("1","2","5","2","1","4","3","1") = "4"
    & skf21("1","2","5","2","1","4","4","1") = "4"
    & skf21("1","2","5","2","1","4","5","1") = "4"
    & skf21("1","2","5","2","1","4","6","1") = "5"
    & skf21("1","2","5","2","1","4","7","1") = "6"
    & skf21("1","2","5","2","1","5","1","1") = "4"
    & skf21("1","2","5","2","1","5","2","1") = "4"
    & skf21("1","2","5","2","1","5","3","1") = "4"
    & skf21("1","2","5","2","1","5","4","1") = "4"
    & skf21("1","2","5","2","1","5","5","1") = "4"
    & skf21("1","2","5","2","1","5","6","1") = "5"
    & skf21("1","2","5","2","1","5","7","1") = "6"
    & skf21("1","2","5","2","1","6","1","1") = "5"
    & skf21("1","2","5","2","1","6","2","1") = "5"
    & skf21("1","2","5","2","1","6","3","1") = "5"
    & skf21("1","2","5","2","1","6","4","1") = "5"
    & skf21("1","2","5","2","1","6","5","1") = "5"
    & skf21("1","2","5","2","1","6","6","1") = "5"
    & skf21("1","2","5","2","1","6","7","1") = "6"
    & skf21("1","2","5","2","1","7","1","1") = "6"
    & skf21("1","2","5","2","1","7","2","1") = "6"
    & skf21("1","2","5","2","1","7","3","1") = "6"
    & skf21("1","2","5","2","1","7","4","1") = "6"
    & skf21("1","2","5","2","1","7","5","1") = "6"
    & skf21("1","2","5","2","1","7","6","1") = "6"
    & skf21("1","2","5","2","1","7","7","1") = "6"
    & skf21("1","2","5","2","2","1","1","1") = "4"
    & skf21("1","2","5","2","2","1","2","1") = "4"
    & skf21("1","2","5","2","2","1","3","1") = "4"
    & skf21("1","2","5","2","2","1","4","1") = "4"
    & skf21("1","2","5","2","2","1","5","1") = "4"
    & skf21("1","2","5","2","2","1","6","1") = "5"
    & skf21("1","2","5","2","2","1","7","1") = "6"
    & skf21("1","2","5","2","2","2","1","1") = "4"
    & skf21("1","2","5","2","2","2","2","1") = "4"
    & skf21("1","2","5","2","2","2","3","1") = "4"
    & skf21("1","2","5","2","2","2","4","1") = "4"
    & skf21("1","2","5","2","2","2","5","1") = "4"
    & skf21("1","2","5","2","2","2","6","1") = "5"
    & skf21("1","2","5","2","2","2","7","1") = "6"
    & skf21("1","2","5","2","2","3","1","1") = "4"
    & skf21("1","2","5","2","2","3","2","1") = "4"
    & skf21("1","2","5","2","2","3","3","1") = "4"
    & skf21("1","2","5","2","2","3","4","1") = "4"
    & skf21("1","2","5","2","2","3","5","1") = "4"
    & skf21("1","2","5","2","2","3","6","1") = "5"
    & skf21("1","2","5","2","2","3","7","1") = "6"
    & skf21("1","2","5","2","2","4","1","1") = "4"
    & skf21("1","2","5","2","2","4","2","1") = "4"
    & skf21("1","2","5","2","2","4","3","1") = "4"
    & skf21("1","2","5","2","2","4","4","1") = "4"
    & skf21("1","2","5","2","2","4","5","1") = "4"
    & skf21("1","2","5","2","2","4","6","1") = "5"
    & skf21("1","2","5","2","2","4","7","1") = "6"
    & skf21("1","2","5","2","2","5","1","1") = "4"
    & skf21("1","2","5","2","2","5","2","1") = "4"
    & skf21("1","2","5","2","2","5","3","1") = "4"
    & skf21("1","2","5","2","2","5","4","1") = "4"
    & skf21("1","2","5","2","2","5","5","1") = "4"
    & skf21("1","2","5","2","2","5","6","1") = "5"
    & skf21("1","2","5","2","2","5","7","1") = "6"
    & skf21("1","2","5","2","2","6","1","1") = "5"
    & skf21("1","2","5","2","2","6","2","1") = "5"
    & skf21("1","2","5","2","2","6","3","1") = "5"
    & skf21("1","2","5","2","2","6","4","1") = "5"
    & skf21("1","2","5","2","2","6","5","1") = "5"
    & skf21("1","2","5","2","2","6","6","1") = "5"
    & skf21("1","2","5","2","2","6","7","1") = "6"
    & skf21("1","2","5","2","2","7","1","1") = "6"
    & skf21("1","2","5","2","2","7","2","1") = "6"
    & skf21("1","2","5","2","2","7","3","1") = "6"
    & skf21("1","2","5","2","2","7","4","1") = "6"
    & skf21("1","2","5","2","2","7","5","1") = "6"
    & skf21("1","2","5","2","2","7","6","1") = "6"
    & skf21("1","2","5","2","2","7","7","1") = "6"
    & skf21("1","2","5","2","3","1","1","1") = "4"
    & skf21("1","2","5","2","3","1","2","1") = "4"
    & skf21("1","2","5","2","3","1","3","1") = "4"
    & skf21("1","2","5","2","3","1","4","1") = "4"
    & skf21("1","2","5","2","3","1","5","1") = "4"
    & skf21("1","2","5","2","3","1","6","1") = "5"
    & skf21("1","2","5","2","3","1","7","1") = "6"
    & skf21("1","2","5","2","3","2","1","1") = "4"
    & skf21("1","2","5","2","3","2","2","1") = "4"
    & skf21("1","2","5","2","3","2","3","1") = "4"
    & skf21("1","2","5","2","3","2","4","1") = "4"
    & skf21("1","2","5","2","3","2","5","1") = "4"
    & skf21("1","2","5","2","3","2","6","1") = "5"
    & skf21("1","2","5","2","3","2","7","1") = "6"
    & skf21("1","2","5","2","3","3","1","1") = "4"
    & skf21("1","2","5","2","3","3","2","1") = "4"
    & skf21("1","2","5","2","3","3","3","1") = "4"
    & skf21("1","2","5","2","3","3","4","1") = "4"
    & skf21("1","2","5","2","3","3","5","1") = "4"
    & skf21("1","2","5","2","3","3","6","1") = "5"
    & skf21("1","2","5","2","3","3","7","1") = "6"
    & skf21("1","2","5","2","3","4","1","1") = "4"
    & skf21("1","2","5","2","3","4","2","1") = "4"
    & skf21("1","2","5","2","3","4","3","1") = "4"
    & skf21("1","2","5","2","3","4","4","1") = "4"
    & skf21("1","2","5","2","3","4","5","1") = "4"
    & skf21("1","2","5","2","3","4","6","1") = "5"
    & skf21("1","2","5","2","3","4","7","1") = "6"
    & skf21("1","2","5","2","3","5","1","1") = "4"
    & skf21("1","2","5","2","3","5","2","1") = "4"
    & skf21("1","2","5","2","3","5","3","1") = "4"
    & skf21("1","2","5","2","3","5","4","1") = "4"
    & skf21("1","2","5","2","3","5","5","1") = "4"
    & skf21("1","2","5","2","3","5","6","1") = "5"
    & skf21("1","2","5","2","3","5","7","1") = "6"
    & skf21("1","2","5","2","3","6","1","1") = "5"
    & skf21("1","2","5","2","3","6","2","1") = "5"
    & skf21("1","2","5","2","3","6","3","1") = "5"
    & skf21("1","2","5","2","3","6","4","1") = "5"
    & skf21("1","2","5","2","3","6","5","1") = "5"
    & skf21("1","2","5","2","3","6","6","1") = "5"
    & skf21("1","2","5","2","3","6","7","1") = "6"
    & skf21("1","2","5","2","3","7","1","1") = "6"
    & skf21("1","2","5","2","3","7","2","1") = "6"
    & skf21("1","2","5","2","3","7","3","1") = "6"
    & skf21("1","2","5","2","3","7","4","1") = "6"
    & skf21("1","2","5","2","3","7","5","1") = "6"
    & skf21("1","2","5","2","3","7","6","1") = "6"
    & skf21("1","2","5","2","3","7","7","1") = "6"
    & skf21("1","2","5","2","4","1","1","1") = "4"
    & skf21("1","2","5","2","4","1","2","1") = "4"
    & skf21("1","2","5","2","4","1","3","1") = "4"
    & skf21("1","2","5","2","4","1","4","1") = "4"
    & skf21("1","2","5","2","4","1","5","1") = "4"
    & skf21("1","2","5","2","4","1","6","1") = "5"
    & skf21("1","2","5","2","4","1","7","1") = "6"
    & skf21("1","2","5","2","4","2","1","1") = "4"
    & skf21("1","2","5","2","4","2","2","1") = "4"
    & skf21("1","2","5","2","4","2","3","1") = "4"
    & skf21("1","2","5","2","4","2","4","1") = "4"
    & skf21("1","2","5","2","4","2","5","1") = "4"
    & skf21("1","2","5","2","4","2","6","1") = "5"
    & skf21("1","2","5","2","4","2","7","1") = "6"
    & skf21("1","2","5","2","4","3","1","1") = "4"
    & skf21("1","2","5","2","4","3","2","1") = "4"
    & skf21("1","2","5","2","4","3","3","1") = "4"
    & skf21("1","2","5","2","4","3","4","1") = "4"
    & skf21("1","2","5","2","4","3","5","1") = "4"
    & skf21("1","2","5","2","4","3","6","1") = "5"
    & skf21("1","2","5","2","4","3","7","1") = "6"
    & skf21("1","2","5","2","4","4","1","1") = "4"
    & skf21("1","2","5","2","4","4","2","1") = "4"
    & skf21("1","2","5","2","4","4","3","1") = "4"
    & skf21("1","2","5","2","4","4","4","1") = "4"
    & skf21("1","2","5","2","4","4","5","1") = "4"
    & skf21("1","2","5","2","4","4","6","1") = "5"
    & skf21("1","2","5","2","4","4","7","1") = "6"
    & skf21("1","2","5","2","4","5","1","1") = "4"
    & skf21("1","2","5","2","4","5","2","1") = "4"
    & skf21("1","2","5","2","4","5","3","1") = "4"
    & skf21("1","2","5","2","4","5","4","1") = "4"
    & skf21("1","2","5","2","4","5","5","1") = "4"
    & skf21("1","2","5","2","4","5","6","1") = "5"
    & skf21("1","2","5","2","4","5","7","1") = "6"
    & skf21("1","2","5","2","4","6","1","1") = "5"
    & skf21("1","2","5","2","4","6","2","1") = "5"
    & skf21("1","2","5","2","4","6","3","1") = "5"
    & skf21("1","2","5","2","4","6","4","1") = "5"
    & skf21("1","2","5","2","4","6","5","1") = "5"
    & skf21("1","2","5","2","4","6","6","1") = "5"
    & skf21("1","2","5","2","4","6","7","1") = "6"
    & skf21("1","2","5","2","4","7","1","1") = "6"
    & skf21("1","2","5","2","4","7","2","1") = "6"
    & skf21("1","2","5","2","4","7","3","1") = "6"
    & skf21("1","2","5","2","4","7","4","1") = "6"
    & skf21("1","2","5","2","4","7","5","1") = "6"
    & skf21("1","2","5","2","4","7","6","1") = "6"
    & skf21("1","2","5","2","4","7","7","1") = "6"
    & skf21("1","2","5","2","5","1","1","1") = "4"
    & skf21("1","2","5","2","5","1","2","1") = "4"
    & skf21("1","2","5","2","5","1","3","1") = "4"
    & skf21("1","2","5","2","5","1","4","1") = "4"
    & skf21("1","2","5","2","5","1","5","1") = "4"
    & skf21("1","2","5","2","5","1","6","1") = "5"
    & skf21("1","2","5","2","5","1","7","1") = "6"
    & skf21("1","2","5","2","5","2","1","1") = "4"
    & skf21("1","2","5","2","5","2","2","1") = "4"
    & skf21("1","2","5","2","5","2","3","1") = "4"
    & skf21("1","2","5","2","5","2","4","1") = "4"
    & skf21("1","2","5","2","5","2","5","1") = "4"
    & skf21("1","2","5","2","5","2","6","1") = "5"
    & skf21("1","2","5","2","5","2","7","1") = "6"
    & skf21("1","2","5","2","5","3","1","1") = "4"
    & skf21("1","2","5","2","5","3","2","1") = "4"
    & skf21("1","2","5","2","5","3","3","1") = "4"
    & skf21("1","2","5","2","5","3","4","1") = "4"
    & skf21("1","2","5","2","5","3","5","1") = "4"
    & skf21("1","2","5","2","5","3","6","1") = "5"
    & skf21("1","2","5","2","5","3","7","1") = "6"
    & skf21("1","2","5","2","5","4","1","1") = "4"
    & skf21("1","2","5","2","5","4","2","1") = "4"
    & skf21("1","2","5","2","5","4","3","1") = "4"
    & skf21("1","2","5","2","5","4","4","1") = "4"
    & skf21("1","2","5","2","5","4","5","1") = "4"
    & skf21("1","2","5","2","5","4","6","1") = "5"
    & skf21("1","2","5","2","5","4","7","1") = "6"
    & skf21("1","2","5","2","5","5","1","1") = "4"
    & skf21("1","2","5","2","5","5","2","1") = "4"
    & skf21("1","2","5","2","5","5","3","1") = "4"
    & skf21("1","2","5","2","5","5","4","1") = "4"
    & skf21("1","2","5","2","5","5","5","1") = "4"
    & skf21("1","2","5","2","5","5","6","1") = "5"
    & skf21("1","2","5","2","5","5","7","1") = "6"
    & skf21("1","2","5","2","5","6","1","1") = "5"
    & skf21("1","2","5","2","5","6","2","1") = "5"
    & skf21("1","2","5","2","5","6","3","1") = "5"
    & skf21("1","2","5","2","5","6","4","1") = "5"
    & skf21("1","2","5","2","5","6","5","1") = "5"
    & skf21("1","2","5","2","5","6","6","1") = "5"
    & skf21("1","2","5","2","5","6","7","1") = "6"
    & skf21("1","2","5","2","5","7","1","1") = "6"
    & skf21("1","2","5","2","5","7","2","1") = "6"
    & skf21("1","2","5","2","5","7","3","1") = "6"
    & skf21("1","2","5","2","5","7","4","1") = "6"
    & skf21("1","2","5","2","5","7","5","1") = "6"
    & skf21("1","2","5","2","5","7","6","1") = "6"
    & skf21("1","2","5","2","5","7","7","1") = "6"
    & skf21("1","2","5","2","6","1","1","1") = "5"
    & skf21("1","2","5","2","6","1","2","1") = "5"
    & skf21("1","2","5","2","6","1","3","1") = "5"
    & skf21("1","2","5","2","6","1","4","1") = "5"
    & skf21("1","2","5","2","6","1","5","1") = "5"
    & skf21("1","2","5","2","6","1","6","1") = "5"
    & skf21("1","2","5","2","6","1","7","1") = "6"
    & skf21("1","2","5","2","6","2","1","1") = "5"
    & skf21("1","2","5","2","6","2","2","1") = "5"
    & skf21("1","2","5","2","6","2","3","1") = "5"
    & skf21("1","2","5","2","6","2","4","1") = "5"
    & skf21("1","2","5","2","6","2","5","1") = "5"
    & skf21("1","2","5","2","6","2","6","1") = "5"
    & skf21("1","2","5","2","6","2","7","1") = "6"
    & skf21("1","2","5","2","6","3","1","1") = "5"
    & skf21("1","2","5","2","6","3","2","1") = "5"
    & skf21("1","2","5","2","6","3","3","1") = "5"
    & skf21("1","2","5","2","6","3","4","1") = "5"
    & skf21("1","2","5","2","6","3","5","1") = "5"
    & skf21("1","2","5","2","6","3","6","1") = "5"
    & skf21("1","2","5","2","6","3","7","1") = "6"
    & skf21("1","2","5","2","6","4","1","1") = "5"
    & skf21("1","2","5","2","6","4","2","1") = "5"
    & skf21("1","2","5","2","6","4","3","1") = "5"
    & skf21("1","2","5","2","6","4","4","1") = "5"
    & skf21("1","2","5","2","6","4","5","1") = "5"
    & skf21("1","2","5","2","6","4","6","1") = "5"
    & skf21("1","2","5","2","6","4","7","1") = "6"
    & skf21("1","2","5","2","6","5","1","1") = "5"
    & skf21("1","2","5","2","6","5","2","1") = "5"
    & skf21("1","2","5","2","6","5","3","1") = "5"
    & skf21("1","2","5","2","6","5","4","1") = "5"
    & skf21("1","2","5","2","6","5","5","1") = "5"
    & skf21("1","2","5","2","6","5","6","1") = "5"
    & skf21("1","2","5","2","6","5","7","1") = "6"
    & skf21("1","2","5","2","6","6","1","1") = "5"
    & skf21("1","2","5","2","6","6","2","1") = "5"
    & skf21("1","2","5","2","6","6","3","1") = "5"
    & skf21("1","2","5","2","6","6","4","1") = "5"
    & skf21("1","2","5","2","6","6","5","1") = "5"
    & skf21("1","2","5","2","6","6","6","1") = "5"
    & skf21("1","2","5","2","6","6","7","1") = "6"
    & skf21("1","2","5","2","6","7","1","1") = "6"
    & skf21("1","2","5","2","6","7","2","1") = "6"
    & skf21("1","2","5","2","6","7","3","1") = "6"
    & skf21("1","2","5","2","6","7","4","1") = "6"
    & skf21("1","2","5","2","6","7","5","1") = "6"
    & skf21("1","2","5","2","6","7","6","1") = "6"
    & skf21("1","2","5","2","6","7","7","1") = "6"
    & skf21("1","2","5","2","7","1","1","1") = "6"
    & skf21("1","2","5","2","7","1","2","1") = "6"
    & skf21("1","2","5","2","7","1","3","1") = "6"
    & skf21("1","2","5","2","7","1","4","1") = "6"
    & skf21("1","2","5","2","7","1","5","1") = "6"
    & skf21("1","2","5","2","7","1","6","1") = "6"
    & skf21("1","2","5","2","7","1","7","1") = "6"
    & skf21("1","2","5","2","7","2","1","1") = "6"
    & skf21("1","2","5","2","7","2","2","1") = "6"
    & skf21("1","2","5","2","7","2","3","1") = "6"
    & skf21("1","2","5","2","7","2","4","1") = "6"
    & skf21("1","2","5","2","7","2","5","1") = "6"
    & skf21("1","2","5","2","7","2","6","1") = "6"
    & skf21("1","2","5","2","7","2","7","1") = "6"
    & skf21("1","2","5","2","7","3","1","1") = "6"
    & skf21("1","2","5","2","7","3","2","1") = "6"
    & skf21("1","2","5","2","7","3","3","1") = "6"
    & skf21("1","2","5","2","7","3","4","1") = "6"
    & skf21("1","2","5","2","7","3","5","1") = "6"
    & skf21("1","2","5","2","7","3","6","1") = "6"
    & skf21("1","2","5","2","7","3","7","1") = "6"
    & skf21("1","2","5","2","7","4","1","1") = "6"
    & skf21("1","2","5","2","7","4","2","1") = "6"
    & skf21("1","2","5","2","7","4","3","1") = "6"
    & skf21("1","2","5","2","7","4","4","1") = "6"
    & skf21("1","2","5","2","7","4","5","1") = "6"
    & skf21("1","2","5","2","7","4","6","1") = "6"
    & skf21("1","2","5","2","7","4","7","1") = "6"
    & skf21("1","2","5","2","7","5","1","1") = "6"
    & skf21("1","2","5","2","7","5","2","1") = "6"
    & skf21("1","2","5","2","7","5","3","1") = "6"
    & skf21("1","2","5","2","7","5","4","1") = "6"
    & skf21("1","2","5","2","7","5","5","1") = "6"
    & skf21("1","2","5","2","7","5","6","1") = "6"
    & skf21("1","2","5","2","7","5","7","1") = "6"
    & skf21("1","2","5","2","7","6","1","1") = "6"
    & skf21("1","2","5","2","7","6","2","1") = "6"
    & skf21("1","2","5","2","7","6","3","1") = "6"
    & skf21("1","2","5","2","7","6","4","1") = "6"
    & skf21("1","2","5","2","7","6","5","1") = "6"
    & skf21("1","2","5","2","7","6","6","1") = "6"
    & skf21("1","2","5","2","7","6","7","1") = "6"
    & skf21("1","2","5","2","7","7","1","1") = "6"
    & skf21("1","2","5","2","7","7","2","1") = "6"
    & skf21("1","2","5","2","7","7","3","1") = "6"
    & skf21("1","2","5","2","7","7","4","1") = "6"
    & skf21("1","2","5","2","7","7","5","1") = "6"
    & skf21("1","2","5","2","7","7","6","1") = "6"
    & skf21("1","2","5","2","7","7","7","1") = "6"
    & skf21("1","2","5","3","1","1","1","1") = "4"
    & skf21("1","2","5","3","1","1","2","1") = "4"
    & skf21("1","2","5","3","1","1","3","1") = "4"
    & skf21("1","2","5","3","1","1","4","1") = "4"
    & skf21("1","2","5","3","1","1","5","1") = "4"
    & skf21("1","2","5","3","1","1","6","1") = "5"
    & skf21("1","2","5","3","1","1","7","1") = "6"
    & skf21("1","2","5","3","1","2","1","1") = "4"
    & skf21("1","2","5","3","1","2","2","1") = "4"
    & skf21("1","2","5","3","1","2","3","1") = "4"
    & skf21("1","2","5","3","1","2","4","1") = "4"
    & skf21("1","2","5","3","1","2","5","1") = "4"
    & skf21("1","2","5","3","1","2","6","1") = "5"
    & skf21("1","2","5","3","1","2","7","1") = "6"
    & skf21("1","2","5","3","1","3","1","1") = "4"
    & skf21("1","2","5","3","1","3","2","1") = "4"
    & skf21("1","2","5","3","1","3","3","1") = "4"
    & skf21("1","2","5","3","1","3","4","1") = "4"
    & skf21("1","2","5","3","1","3","5","1") = "4"
    & skf21("1","2","5","3","1","3","6","1") = "5"
    & skf21("1","2","5","3","1","3","7","1") = "6"
    & skf21("1","2","5","3","1","4","1","1") = "4"
    & skf21("1","2","5","3","1","4","2","1") = "4"
    & skf21("1","2","5","3","1","4","3","1") = "4"
    & skf21("1","2","5","3","1","4","4","1") = "4"
    & skf21("1","2","5","3","1","4","5","1") = "4"
    & skf21("1","2","5","3","1","4","6","1") = "5"
    & skf21("1","2","5","3","1","4","7","1") = "6"
    & skf21("1","2","5","3","1","5","1","1") = "4"
    & skf21("1","2","5","3","1","5","2","1") = "4"
    & skf21("1","2","5","3","1","5","3","1") = "4"
    & skf21("1","2","5","3","1","5","4","1") = "4"
    & skf21("1","2","5","3","1","5","5","1") = "4"
    & skf21("1","2","5","3","1","5","6","1") = "5"
    & skf21("1","2","5","3","1","5","7","1") = "6"
    & skf21("1","2","5","3","1","6","1","1") = "5"
    & skf21("1","2","5","3","1","6","2","1") = "5"
    & skf21("1","2","5","3","1","6","3","1") = "5"
    & skf21("1","2","5","3","1","6","4","1") = "5"
    & skf21("1","2","5","3","1","6","5","1") = "5"
    & skf21("1","2","5","3","1","6","6","1") = "5"
    & skf21("1","2","5","3","1","6","7","1") = "6"
    & skf21("1","2","5","3","1","7","1","1") = "6"
    & skf21("1","2","5","3","1","7","2","1") = "6"
    & skf21("1","2","5","3","1","7","3","1") = "6"
    & skf21("1","2","5","3","1","7","4","1") = "6"
    & skf21("1","2","5","3","1","7","5","1") = "6"
    & skf21("1","2","5","3","1","7","6","1") = "6"
    & skf21("1","2","5","3","1","7","7","1") = "6"
    & skf21("1","2","5","3","2","1","1","1") = "4"
    & skf21("1","2","5","3","2","1","2","1") = "4"
    & skf21("1","2","5","3","2","1","3","1") = "4"
    & skf21("1","2","5","3","2","1","4","1") = "4"
    & skf21("1","2","5","3","2","1","5","1") = "4"
    & skf21("1","2","5","3","2","1","6","1") = "5"
    & skf21("1","2","5","3","2","1","7","1") = "6"
    & skf21("1","2","5","3","2","2","1","1") = "4"
    & skf21("1","2","5","3","2","2","2","1") = "4"
    & skf21("1","2","5","3","2","2","3","1") = "4"
    & skf21("1","2","5","3","2","2","4","1") = "4"
    & skf21("1","2","5","3","2","2","5","1") = "4"
    & skf21("1","2","5","3","2","2","6","1") = "5"
    & skf21("1","2","5","3","2","2","7","1") = "6"
    & skf21("1","2","5","3","2","3","1","1") = "4"
    & skf21("1","2","5","3","2","3","2","1") = "4"
    & skf21("1","2","5","3","2","3","3","1") = "4"
    & skf21("1","2","5","3","2","3","4","1") = "4"
    & skf21("1","2","5","3","2","3","5","1") = "4"
    & skf21("1","2","5","3","2","3","6","1") = "5"
    & skf21("1","2","5","3","2","3","7","1") = "6"
    & skf21("1","2","5","3","2","4","1","1") = "4"
    & skf21("1","2","5","3","2","4","2","1") = "4"
    & skf21("1","2","5","3","2","4","3","1") = "4"
    & skf21("1","2","5","3","2","4","4","1") = "4"
    & skf21("1","2","5","3","2","4","5","1") = "4"
    & skf21("1","2","5","3","2","4","6","1") = "5"
    & skf21("1","2","5","3","2","4","7","1") = "6"
    & skf21("1","2","5","3","2","5","1","1") = "4"
    & skf21("1","2","5","3","2","5","2","1") = "4"
    & skf21("1","2","5","3","2","5","3","1") = "4"
    & skf21("1","2","5","3","2","5","4","1") = "4"
    & skf21("1","2","5","3","2","5","5","1") = "4"
    & skf21("1","2","5","3","2","5","6","1") = "5"
    & skf21("1","2","5","3","2","5","7","1") = "6"
    & skf21("1","2","5","3","2","6","1","1") = "5"
    & skf21("1","2","5","3","2","6","2","1") = "5"
    & skf21("1","2","5","3","2","6","3","1") = "5"
    & skf21("1","2","5","3","2","6","4","1") = "5"
    & skf21("1","2","5","3","2","6","5","1") = "5"
    & skf21("1","2","5","3","2","6","6","1") = "5"
    & skf21("1","2","5","3","2","6","7","1") = "6"
    & skf21("1","2","5","3","2","7","1","1") = "6"
    & skf21("1","2","5","3","2","7","2","1") = "6"
    & skf21("1","2","5","3","2","7","3","1") = "6"
    & skf21("1","2","5","3","2","7","4","1") = "6"
    & skf21("1","2","5","3","2","7","5","1") = "6"
    & skf21("1","2","5","3","2","7","6","1") = "6"
    & skf21("1","2","5","3","2","7","7","1") = "6"
    & skf21("1","2","5","3","3","1","1","1") = "4"
    & skf21("1","2","5","3","3","1","2","1") = "4"
    & skf21("1","2","5","3","3","1","3","1") = "4"
    & skf21("1","2","5","3","3","1","4","1") = "4"
    & skf21("1","2","5","3","3","1","5","1") = "4"
    & skf21("1","2","5","3","3","1","6","1") = "5"
    & skf21("1","2","5","3","3","1","7","1") = "6"
    & skf21("1","2","5","3","3","2","1","1") = "4"
    & skf21("1","2","5","3","3","2","2","1") = "4"
    & skf21("1","2","5","3","3","2","3","1") = "4"
    & skf21("1","2","5","3","3","2","4","1") = "4"
    & skf21("1","2","5","3","3","2","5","1") = "4"
    & skf21("1","2","5","3","3","2","6","1") = "5"
    & skf21("1","2","5","3","3","2","7","1") = "6"
    & skf21("1","2","5","3","3","3","1","1") = "4"
    & skf21("1","2","5","3","3","3","2","1") = "4"
    & skf21("1","2","5","3","3","3","3","1") = "4"
    & skf21("1","2","5","3","3","3","4","1") = "4"
    & skf21("1","2","5","3","3","3","5","1") = "4"
    & skf21("1","2","5","3","3","3","6","1") = "5"
    & skf21("1","2","5","3","3","3","7","1") = "6"
    & skf21("1","2","5","3","3","4","1","1") = "4"
    & skf21("1","2","5","3","3","4","2","1") = "4"
    & skf21("1","2","5","3","3","4","3","1") = "4"
    & skf21("1","2","5","3","3","4","4","1") = "4"
    & skf21("1","2","5","3","3","4","5","1") = "4"
    & skf21("1","2","5","3","3","4","6","1") = "5"
    & skf21("1","2","5","3","3","4","7","1") = "6"
    & skf21("1","2","5","3","3","5","1","1") = "4"
    & skf21("1","2","5","3","3","5","2","1") = "4"
    & skf21("1","2","5","3","3","5","3","1") = "4"
    & skf21("1","2","5","3","3","5","4","1") = "4"
    & skf21("1","2","5","3","3","5","5","1") = "4"
    & skf21("1","2","5","3","3","5","6","1") = "5"
    & skf21("1","2","5","3","3","5","7","1") = "6"
    & skf21("1","2","5","3","3","6","1","1") = "5"
    & skf21("1","2","5","3","3","6","2","1") = "5"
    & skf21("1","2","5","3","3","6","3","1") = "5"
    & skf21("1","2","5","3","3","6","4","1") = "5"
    & skf21("1","2","5","3","3","6","5","1") = "5"
    & skf21("1","2","5","3","3","6","6","1") = "5"
    & skf21("1","2","5","3","3","6","7","1") = "6"
    & skf21("1","2","5","3","3","7","1","1") = "6"
    & skf21("1","2","5","3","3","7","2","1") = "6"
    & skf21("1","2","5","3","3","7","3","1") = "6"
    & skf21("1","2","5","3","3","7","4","1") = "6"
    & skf21("1","2","5","3","3","7","5","1") = "6"
    & skf21("1","2","5","3","3","7","6","1") = "6"
    & skf21("1","2","5","3","3","7","7","1") = "6"
    & skf21("1","2","5","3","4","1","1","1") = "4"
    & skf21("1","2","5","3","4","1","2","1") = "4"
    & skf21("1","2","5","3","4","1","3","1") = "4"
    & skf21("1","2","5","3","4","1","4","1") = "4"
    & skf21("1","2","5","3","4","1","5","1") = "4"
    & skf21("1","2","5","3","4","1","6","1") = "5"
    & skf21("1","2","5","3","4","1","7","1") = "6"
    & skf21("1","2","5","3","4","2","1","1") = "4"
    & skf21("1","2","5","3","4","2","2","1") = "4"
    & skf21("1","2","5","3","4","2","3","1") = "4"
    & skf21("1","2","5","3","4","2","4","1") = "4"
    & skf21("1","2","5","3","4","2","5","1") = "4"
    & skf21("1","2","5","3","4","2","6","1") = "5"
    & skf21("1","2","5","3","4","2","7","1") = "6"
    & skf21("1","2","5","3","4","3","1","1") = "4"
    & skf21("1","2","5","3","4","3","2","1") = "4"
    & skf21("1","2","5","3","4","3","3","1") = "4"
    & skf21("1","2","5","3","4","3","4","1") = "4"
    & skf21("1","2","5","3","4","3","5","1") = "4"
    & skf21("1","2","5","3","4","3","6","1") = "5"
    & skf21("1","2","5","3","4","3","7","1") = "6"
    & skf21("1","2","5","3","4","4","1","1") = "4"
    & skf21("1","2","5","3","4","4","2","1") = "4"
    & skf21("1","2","5","3","4","4","3","1") = "4"
    & skf21("1","2","5","3","4","4","4","1") = "4"
    & skf21("1","2","5","3","4","4","5","1") = "4"
    & skf21("1","2","5","3","4","4","6","1") = "5"
    & skf21("1","2","5","3","4","4","7","1") = "6"
    & skf21("1","2","5","3","4","5","1","1") = "4"
    & skf21("1","2","5","3","4","5","2","1") = "4"
    & skf21("1","2","5","3","4","5","3","1") = "4"
    & skf21("1","2","5","3","4","5","4","1") = "4"
    & skf21("1","2","5","3","4","5","5","1") = "4"
    & skf21("1","2","5","3","4","5","6","1") = "5"
    & skf21("1","2","5","3","4","5","7","1") = "6"
    & skf21("1","2","5","3","4","6","1","1") = "5"
    & skf21("1","2","5","3","4","6","2","1") = "5"
    & skf21("1","2","5","3","4","6","3","1") = "5"
    & skf21("1","2","5","3","4","6","4","1") = "5"
    & skf21("1","2","5","3","4","6","5","1") = "5"
    & skf21("1","2","5","3","4","6","6","1") = "5"
    & skf21("1","2","5","3","4","6","7","1") = "6"
    & skf21("1","2","5","3","4","7","1","1") = "6"
    & skf21("1","2","5","3","4","7","2","1") = "6"
    & skf21("1","2","5","3","4","7","3","1") = "6"
    & skf21("1","2","5","3","4","7","4","1") = "6"
    & skf21("1","2","5","3","4","7","5","1") = "6"
    & skf21("1","2","5","3","4","7","6","1") = "6"
    & skf21("1","2","5","3","4","7","7","1") = "6"
    & skf21("1","2","5","3","5","1","1","1") = "4"
    & skf21("1","2","5","3","5","1","2","1") = "4"
    & skf21("1","2","5","3","5","1","3","1") = "4"
    & skf21("1","2","5","3","5","1","4","1") = "4"
    & skf21("1","2","5","3","5","1","5","1") = "4"
    & skf21("1","2","5","3","5","1","6","1") = "5"
    & skf21("1","2","5","3","5","1","7","1") = "6"
    & skf21("1","2","5","3","5","2","1","1") = "4"
    & skf21("1","2","5","3","5","2","2","1") = "4"
    & skf21("1","2","5","3","5","2","3","1") = "4"
    & skf21("1","2","5","3","5","2","4","1") = "4"
    & skf21("1","2","5","3","5","2","5","1") = "4"
    & skf21("1","2","5","3","5","2","6","1") = "5"
    & skf21("1","2","5","3","5","2","7","1") = "6"
    & skf21("1","2","5","3","5","3","1","1") = "4"
    & skf21("1","2","5","3","5","3","2","1") = "4"
    & skf21("1","2","5","3","5","3","3","1") = "4"
    & skf21("1","2","5","3","5","3","4","1") = "4"
    & skf21("1","2","5","3","5","3","5","1") = "4"
    & skf21("1","2","5","3","5","3","6","1") = "5"
    & skf21("1","2","5","3","5","3","7","1") = "6"
    & skf21("1","2","5","3","5","4","1","1") = "4"
    & skf21("1","2","5","3","5","4","2","1") = "4"
    & skf21("1","2","5","3","5","4","3","1") = "4"
    & skf21("1","2","5","3","5","4","4","1") = "4"
    & skf21("1","2","5","3","5","4","5","1") = "4"
    & skf21("1","2","5","3","5","4","6","1") = "5"
    & skf21("1","2","5","3","5","4","7","1") = "6"
    & skf21("1","2","5","3","5","5","1","1") = "4"
    & skf21("1","2","5","3","5","5","2","1") = "4"
    & skf21("1","2","5","3","5","5","3","1") = "4"
    & skf21("1","2","5","3","5","5","4","1") = "4"
    & skf21("1","2","5","3","5","5","5","1") = "4"
    & skf21("1","2","5","3","5","5","6","1") = "5"
    & skf21("1","2","5","3","5","5","7","1") = "6"
    & skf21("1","2","5","3","5","6","1","1") = "5"
    & skf21("1","2","5","3","5","6","2","1") = "5"
    & skf21("1","2","5","3","5","6","3","1") = "5"
    & skf21("1","2","5","3","5","6","4","1") = "5"
    & skf21("1","2","5","3","5","6","5","1") = "5"
    & skf21("1","2","5","3","5","6","6","1") = "5"
    & skf21("1","2","5","3","5","6","7","1") = "6"
    & skf21("1","2","5","3","5","7","1","1") = "6"
    & skf21("1","2","5","3","5","7","2","1") = "6"
    & skf21("1","2","5","3","5","7","3","1") = "6"
    & skf21("1","2","5","3","5","7","4","1") = "6"
    & skf21("1","2","5","3","5","7","5","1") = "6"
    & skf21("1","2","5","3","5","7","6","1") = "6"
    & skf21("1","2","5","3","5","7","7","1") = "6"
    & skf21("1","2","5","3","6","1","1","1") = "5"
    & skf21("1","2","5","3","6","1","2","1") = "5"
    & skf21("1","2","5","3","6","1","3","1") = "5"
    & skf21("1","2","5","3","6","1","4","1") = "5"
    & skf21("1","2","5","3","6","1","5","1") = "5"
    & skf21("1","2","5","3","6","1","6","1") = "5"
    & skf21("1","2","5","3","6","1","7","1") = "6"
    & skf21("1","2","5","3","6","2","1","1") = "5"
    & skf21("1","2","5","3","6","2","2","1") = "5"
    & skf21("1","2","5","3","6","2","3","1") = "5"
    & skf21("1","2","5","3","6","2","4","1") = "5"
    & skf21("1","2","5","3","6","2","5","1") = "5"
    & skf21("1","2","5","3","6","2","6","1") = "5"
    & skf21("1","2","5","3","6","2","7","1") = "6"
    & skf21("1","2","5","3","6","3","1","1") = "5"
    & skf21("1","2","5","3","6","3","2","1") = "5"
    & skf21("1","2","5","3","6","3","3","1") = "5"
    & skf21("1","2","5","3","6","3","4","1") = "5"
    & skf21("1","2","5","3","6","3","5","1") = "5"
    & skf21("1","2","5","3","6","3","6","1") = "5"
    & skf21("1","2","5","3","6","3","7","1") = "6"
    & skf21("1","2","5","3","6","4","1","1") = "5"
    & skf21("1","2","5","3","6","4","2","1") = "5"
    & skf21("1","2","5","3","6","4","3","1") = "5"
    & skf21("1","2","5","3","6","4","4","1") = "5"
    & skf21("1","2","5","3","6","4","5","1") = "5"
    & skf21("1","2","5","3","6","4","6","1") = "5"
    & skf21("1","2","5","3","6","4","7","1") = "6"
    & skf21("1","2","5","3","6","5","1","1") = "5"
    & skf21("1","2","5","3","6","5","2","1") = "5"
    & skf21("1","2","5","3","6","5","3","1") = "5"
    & skf21("1","2","5","3","6","5","4","1") = "5"
    & skf21("1","2","5","3","6","5","5","1") = "5"
    & skf21("1","2","5","3","6","5","6","1") = "5"
    & skf21("1","2","5","3","6","5","7","1") = "6"
    & skf21("1","2","5","3","6","6","1","1") = "5"
    & skf21("1","2","5","3","6","6","2","1") = "5"
    & skf21("1","2","5","3","6","6","3","1") = "5"
    & skf21("1","2","5","3","6","6","4","1") = "5"
    & skf21("1","2","5","3","6","6","5","1") = "5"
    & skf21("1","2","5","3","6","6","6","1") = "5"
    & skf21("1","2","5","3","6","6","7","1") = "6"
    & skf21("1","2","5","3","6","7","1","1") = "6"
    & skf21("1","2","5","3","6","7","2","1") = "6"
    & skf21("1","2","5","3","6","7","3","1") = "6"
    & skf21("1","2","5","3","6","7","4","1") = "6"
    & skf21("1","2","5","3","6","7","5","1") = "6"
    & skf21("1","2","5","3","6","7","6","1") = "6"
    & skf21("1","2","5","3","6","7","7","1") = "6"
    & skf21("1","2","5","3","7","1","1","1") = "6"
    & skf21("1","2","5","3","7","1","2","1") = "6"
    & skf21("1","2","5","3","7","1","3","1") = "6"
    & skf21("1","2","5","3","7","1","4","1") = "6"
    & skf21("1","2","5","3","7","1","5","1") = "6"
    & skf21("1","2","5","3","7","1","6","1") = "6"
    & skf21("1","2","5","3","7","1","7","1") = "6"
    & skf21("1","2","5","3","7","2","1","1") = "6"
    & skf21("1","2","5","3","7","2","2","1") = "6"
    & skf21("1","2","5","3","7","2","3","1") = "6"
    & skf21("1","2","5","3","7","2","4","1") = "6"
    & skf21("1","2","5","3","7","2","5","1") = "6"
    & skf21("1","2","5","3","7","2","6","1") = "6"
    & skf21("1","2","5","3","7","2","7","1") = "6"
    & skf21("1","2","5","3","7","3","1","1") = "6"
    & skf21("1","2","5","3","7","3","2","1") = "6"
    & skf21("1","2","5","3","7","3","3","1") = "6"
    & skf21("1","2","5","3","7","3","4","1") = "6"
    & skf21("1","2","5","3","7","3","5","1") = "6"
    & skf21("1","2","5","3","7","3","6","1") = "6"
    & skf21("1","2","5","3","7","3","7","1") = "6"
    & skf21("1","2","5","3","7","4","1","1") = "6"
    & skf21("1","2","5","3","7","4","2","1") = "6"
    & skf21("1","2","5","3","7","4","3","1") = "6"
    & skf21("1","2","5","3","7","4","4","1") = "6"
    & skf21("1","2","5","3","7","4","5","1") = "6"
    & skf21("1","2","5","3","7","4","6","1") = "6"
    & skf21("1","2","5","3","7","4","7","1") = "6"
    & skf21("1","2","5","3","7","5","1","1") = "6"
    & skf21("1","2","5","3","7","5","2","1") = "6"
    & skf21("1","2","5","3","7","5","3","1") = "6"
    & skf21("1","2","5","3","7","5","4","1") = "6"
    & skf21("1","2","5","3","7","5","5","1") = "6"
    & skf21("1","2","5","3","7","5","6","1") = "6"
    & skf21("1","2","5","3","7","5","7","1") = "6"
    & skf21("1","2","5","3","7","6","1","1") = "6"
    & skf21("1","2","5","3","7","6","2","1") = "6"
    & skf21("1","2","5","3","7","6","3","1") = "6"
    & skf21("1","2","5","3","7","6","4","1") = "6"
    & skf21("1","2","5","3","7","6","5","1") = "6"
    & skf21("1","2","5","3","7","6","6","1") = "6"
    & skf21("1","2","5","3","7","6","7","1") = "6"
    & skf21("1","2","5","3","7","7","1","1") = "6"
    & skf21("1","2","5","3","7","7","2","1") = "6"
    & skf21("1","2","5","3","7","7","3","1") = "6"
    & skf21("1","2","5","3","7","7","4","1") = "6"
    & skf21("1","2","5","3","7","7","5","1") = "6"
    & skf21("1","2","5","3","7","7","6","1") = "6"
    & skf21("1","2","5","3","7","7","7","1") = "6"
    & skf21("1","2","5","4","1","1","1","1") = "4"
    & skf21("1","2","5","4","1","1","2","1") = "4"
    & skf21("1","2","5","4","1","1","3","1") = "4"
    & skf21("1","2","5","4","1","1","4","1") = "4"
    & skf21("1","2","5","4","1","1","5","1") = "4"
    & skf21("1","2","5","4","1","1","6","1") = "5"
    & skf21("1","2","5","4","1","1","7","1") = "6"
    & skf21("1","2","5","4","1","2","1","1") = "4"
    & skf21("1","2","5","4","1","2","2","1") = "4"
    & skf21("1","2","5","4","1","2","3","1") = "4"
    & skf21("1","2","5","4","1","2","4","1") = "4"
    & skf21("1","2","5","4","1","2","5","1") = "4"
    & skf21("1","2","5","4","1","2","6","1") = "5"
    & skf21("1","2","5","4","1","2","7","1") = "6"
    & skf21("1","2","5","4","1","3","1","1") = "4"
    & skf21("1","2","5","4","1","3","2","1") = "4"
    & skf21("1","2","5","4","1","3","3","1") = "4"
    & skf21("1","2","5","4","1","3","4","1") = "4"
    & skf21("1","2","5","4","1","3","5","1") = "4"
    & skf21("1","2","5","4","1","3","6","1") = "5"
    & skf21("1","2","5","4","1","3","7","1") = "6"
    & skf21("1","2","5","4","1","4","1","1") = "4"
    & skf21("1","2","5","4","1","4","2","1") = "4"
    & skf21("1","2","5","4","1","4","3","1") = "4"
    & skf21("1","2","5","4","1","4","4","1") = "4"
    & skf21("1","2","5","4","1","4","5","1") = "4"
    & skf21("1","2","5","4","1","4","6","1") = "5"
    & skf21("1","2","5","4","1","4","7","1") = "6"
    & skf21("1","2","5","4","1","5","1","1") = "4"
    & skf21("1","2","5","4","1","5","2","1") = "4"
    & skf21("1","2","5","4","1","5","3","1") = "4"
    & skf21("1","2","5","4","1","5","4","1") = "4"
    & skf21("1","2","5","4","1","5","5","1") = "4"
    & skf21("1","2","5","4","1","5","6","1") = "5"
    & skf21("1","2","5","4","1","5","7","1") = "6"
    & skf21("1","2","5","4","1","6","1","1") = "5"
    & skf21("1","2","5","4","1","6","2","1") = "5"
    & skf21("1","2","5","4","1","6","3","1") = "5"
    & skf21("1","2","5","4","1","6","4","1") = "5"
    & skf21("1","2","5","4","1","6","5","1") = "5"
    & skf21("1","2","5","4","1","6","6","1") = "5"
    & skf21("1","2","5","4","1","6","7","1") = "6"
    & skf21("1","2","5","4","1","7","1","1") = "6"
    & skf21("1","2","5","4","1","7","2","1") = "6"
    & skf21("1","2","5","4","1","7","3","1") = "6"
    & skf21("1","2","5","4","1","7","4","1") = "6"
    & skf21("1","2","5","4","1","7","5","1") = "6"
    & skf21("1","2","5","4","1","7","6","1") = "6"
    & skf21("1","2","5","4","1","7","7","1") = "6"
    & skf21("1","2","5","4","2","1","1","1") = "4"
    & skf21("1","2","5","4","2","1","2","1") = "4"
    & skf21("1","2","5","4","2","1","3","1") = "4"
    & skf21("1","2","5","4","2","1","4","1") = "4"
    & skf21("1","2","5","4","2","1","5","1") = "4"
    & skf21("1","2","5","4","2","1","6","1") = "5"
    & skf21("1","2","5","4","2","1","7","1") = "6"
    & skf21("1","2","5","4","2","2","1","1") = "4"
    & skf21("1","2","5","4","2","2","2","1") = "4"
    & skf21("1","2","5","4","2","2","3","1") = "4"
    & skf21("1","2","5","4","2","2","4","1") = "4"
    & skf21("1","2","5","4","2","2","5","1") = "4"
    & skf21("1","2","5","4","2","2","6","1") = "5"
    & skf21("1","2","5","4","2","2","7","1") = "6"
    & skf21("1","2","5","4","2","3","1","1") = "4"
    & skf21("1","2","5","4","2","3","2","1") = "4"
    & skf21("1","2","5","4","2","3","3","1") = "4"
    & skf21("1","2","5","4","2","3","4","1") = "4"
    & skf21("1","2","5","4","2","3","5","1") = "4"
    & skf21("1","2","5","4","2","3","6","1") = "5"
    & skf21("1","2","5","4","2","3","7","1") = "6"
    & skf21("1","2","5","4","2","4","1","1") = "4"
    & skf21("1","2","5","4","2","4","2","1") = "4"
    & skf21("1","2","5","4","2","4","3","1") = "4"
    & skf21("1","2","5","4","2","4","4","1") = "4"
    & skf21("1","2","5","4","2","4","5","1") = "4"
    & skf21("1","2","5","4","2","4","6","1") = "5"
    & skf21("1","2","5","4","2","4","7","1") = "6"
    & skf21("1","2","5","4","2","5","1","1") = "4"
    & skf21("1","2","5","4","2","5","2","1") = "4"
    & skf21("1","2","5","4","2","5","3","1") = "4"
    & skf21("1","2","5","4","2","5","4","1") = "4"
    & skf21("1","2","5","4","2","5","5","1") = "4"
    & skf21("1","2","5","4","2","5","6","1") = "5"
    & skf21("1","2","5","4","2","5","7","1") = "6"
    & skf21("1","2","5","4","2","6","1","1") = "5"
    & skf21("1","2","5","4","2","6","2","1") = "5"
    & skf21("1","2","5","4","2","6","3","1") = "5"
    & skf21("1","2","5","4","2","6","4","1") = "5"
    & skf21("1","2","5","4","2","6","5","1") = "5"
    & skf21("1","2","5","4","2","6","6","1") = "5"
    & skf21("1","2","5","4","2","6","7","1") = "6"
    & skf21("1","2","5","4","2","7","1","1") = "6"
    & skf21("1","2","5","4","2","7","2","1") = "6"
    & skf21("1","2","5","4","2","7","3","1") = "6"
    & skf21("1","2","5","4","2","7","4","1") = "6"
    & skf21("1","2","5","4","2","7","5","1") = "6"
    & skf21("1","2","5","4","2","7","6","1") = "6"
    & skf21("1","2","5","4","2","7","7","1") = "6"
    & skf21("1","2","5","4","3","1","1","1") = "4"
    & skf21("1","2","5","4","3","1","2","1") = "4"
    & skf21("1","2","5","4","3","1","3","1") = "4"
    & skf21("1","2","5","4","3","1","4","1") = "4"
    & skf21("1","2","5","4","3","1","5","1") = "4"
    & skf21("1","2","5","4","3","1","6","1") = "5"
    & skf21("1","2","5","4","3","1","7","1") = "6"
    & skf21("1","2","5","4","3","2","1","1") = "4"
    & skf21("1","2","5","4","3","2","2","1") = "4"
    & skf21("1","2","5","4","3","2","3","1") = "4"
    & skf21("1","2","5","4","3","2","4","1") = "4"
    & skf21("1","2","5","4","3","2","5","1") = "4"
    & skf21("1","2","5","4","3","2","6","1") = "5"
    & skf21("1","2","5","4","3","2","7","1") = "6"
    & skf21("1","2","5","4","3","3","1","1") = "4"
    & skf21("1","2","5","4","3","3","2","1") = "4"
    & skf21("1","2","5","4","3","3","3","1") = "4"
    & skf21("1","2","5","4","3","3","4","1") = "4"
    & skf21("1","2","5","4","3","3","5","1") = "4"
    & skf21("1","2","5","4","3","3","6","1") = "5"
    & skf21("1","2","5","4","3","3","7","1") = "6"
    & skf21("1","2","5","4","3","4","1","1") = "4"
    & skf21("1","2","5","4","3","4","2","1") = "4"
    & skf21("1","2","5","4","3","4","3","1") = "4"
    & skf21("1","2","5","4","3","4","4","1") = "4"
    & skf21("1","2","5","4","3","4","5","1") = "4"
    & skf21("1","2","5","4","3","4","6","1") = "5"
    & skf21("1","2","5","4","3","4","7","1") = "6"
    & skf21("1","2","5","4","3","5","1","1") = "4"
    & skf21("1","2","5","4","3","5","2","1") = "4"
    & skf21("1","2","5","4","3","5","3","1") = "4"
    & skf21("1","2","5","4","3","5","4","1") = "4"
    & skf21("1","2","5","4","3","5","5","1") = "4"
    & skf21("1","2","5","4","3","5","6","1") = "5"
    & skf21("1","2","5","4","3","5","7","1") = "6"
    & skf21("1","2","5","4","3","6","1","1") = "5"
    & skf21("1","2","5","4","3","6","2","1") = "5"
    & skf21("1","2","5","4","3","6","3","1") = "5"
    & skf21("1","2","5","4","3","6","4","1") = "5"
    & skf21("1","2","5","4","3","6","5","1") = "5"
    & skf21("1","2","5","4","3","6","6","1") = "5"
    & skf21("1","2","5","4","3","6","7","1") = "6"
    & skf21("1","2","5","4","3","7","1","1") = "6"
    & skf21("1","2","5","4","3","7","2","1") = "6"
    & skf21("1","2","5","4","3","7","3","1") = "6"
    & skf21("1","2","5","4","3","7","4","1") = "6"
    & skf21("1","2","5","4","3","7","5","1") = "6"
    & skf21("1","2","5","4","3","7","6","1") = "6"
    & skf21("1","2","5","4","3","7","7","1") = "6"
    & skf21("1","2","5","4","4","1","1","1") = "4"
    & skf21("1","2","5","4","4","1","2","1") = "4"
    & skf21("1","2","5","4","4","1","3","1") = "4"
    & skf21("1","2","5","4","4","1","4","1") = "4"
    & skf21("1","2","5","4","4","1","5","1") = "4"
    & skf21("1","2","5","4","4","1","6","1") = "5"
    & skf21("1","2","5","4","4","1","7","1") = "6"
    & skf21("1","2","5","4","4","2","1","1") = "4"
    & skf21("1","2","5","4","4","2","2","1") = "4"
    & skf21("1","2","5","4","4","2","3","1") = "4"
    & skf21("1","2","5","4","4","2","4","1") = "4"
    & skf21("1","2","5","4","4","2","5","1") = "4"
    & skf21("1","2","5","4","4","2","6","1") = "5"
    & skf21("1","2","5","4","4","2","7","1") = "6"
    & skf21("1","2","5","4","4","3","1","1") = "4"
    & skf21("1","2","5","4","4","3","2","1") = "4"
    & skf21("1","2","5","4","4","3","3","1") = "4"
    & skf21("1","2","5","4","4","3","4","1") = "4"
    & skf21("1","2","5","4","4","3","5","1") = "4"
    & skf21("1","2","5","4","4","3","6","1") = "5"
    & skf21("1","2","5","4","4","3","7","1") = "6"
    & skf21("1","2","5","4","4","4","1","1") = "4"
    & skf21("1","2","5","4","4","4","2","1") = "4"
    & skf21("1","2","5","4","4","4","3","1") = "4"
    & skf21("1","2","5","4","4","4","4","1") = "4"
    & skf21("1","2","5","4","4","4","5","1") = "4"
    & skf21("1","2","5","4","4","4","6","1") = "5"
    & skf21("1","2","5","4","4","4","7","1") = "6"
    & skf21("1","2","5","4","4","5","1","1") = "4"
    & skf21("1","2","5","4","4","5","2","1") = "4"
    & skf21("1","2","5","4","4","5","3","1") = "4"
    & skf21("1","2","5","4","4","5","4","1") = "4"
    & skf21("1","2","5","4","4","5","5","1") = "4"
    & skf21("1","2","5","4","4","5","6","1") = "5"
    & skf21("1","2","5","4","4","5","7","1") = "6"
    & skf21("1","2","5","4","4","6","1","1") = "5"
    & skf21("1","2","5","4","4","6","2","1") = "5"
    & skf21("1","2","5","4","4","6","3","1") = "5"
    & skf21("1","2","5","4","4","6","4","1") = "5"
    & skf21("1","2","5","4","4","6","5","1") = "5"
    & skf21("1","2","5","4","4","6","6","1") = "5"
    & skf21("1","2","5","4","4","6","7","1") = "6"
    & skf21("1","2","5","4","4","7","1","1") = "6"
    & skf21("1","2","5","4","4","7","2","1") = "6"
    & skf21("1","2","5","4","4","7","3","1") = "6"
    & skf21("1","2","5","4","4","7","4","1") = "6"
    & skf21("1","2","5","4","4","7","5","1") = "6"
    & skf21("1","2","5","4","4","7","6","1") = "6"
    & skf21("1","2","5","4","4","7","7","1") = "6"
    & skf21("1","2","5","4","5","1","1","1") = "4"
    & skf21("1","2","5","4","5","1","2","1") = "4"
    & skf21("1","2","5","4","5","1","3","1") = "4"
    & skf21("1","2","5","4","5","1","4","1") = "4"
    & skf21("1","2","5","4","5","1","5","1") = "4"
    & skf21("1","2","5","4","5","1","6","1") = "5"
    & skf21("1","2","5","4","5","1","7","1") = "6"
    & skf21("1","2","5","4","5","2","1","1") = "4"
    & skf21("1","2","5","4","5","2","2","1") = "4"
    & skf21("1","2","5","4","5","2","3","1") = "4"
    & skf21("1","2","5","4","5","2","4","1") = "4"
    & skf21("1","2","5","4","5","2","5","1") = "4"
    & skf21("1","2","5","4","5","2","6","1") = "5"
    & skf21("1","2","5","4","5","2","7","1") = "6"
    & skf21("1","2","5","4","5","3","1","1") = "4"
    & skf21("1","2","5","4","5","3","2","1") = "4"
    & skf21("1","2","5","4","5","3","3","1") = "4"
    & skf21("1","2","5","4","5","3","4","1") = "4"
    & skf21("1","2","5","4","5","3","5","1") = "4"
    & skf21("1","2","5","4","5","3","6","1") = "5"
    & skf21("1","2","5","4","5","3","7","1") = "6"
    & skf21("1","2","5","4","5","4","1","1") = "4"
    & skf21("1","2","5","4","5","4","2","1") = "4"
    & skf21("1","2","5","4","5","4","3","1") = "4"
    & skf21("1","2","5","4","5","4","4","1") = "4"
    & skf21("1","2","5","4","5","4","5","1") = "4"
    & skf21("1","2","5","4","5","4","6","1") = "5"
    & skf21("1","2","5","4","5","4","7","1") = "6"
    & skf21("1","2","5","4","5","5","1","1") = "4"
    & skf21("1","2","5","4","5","5","2","1") = "4"
    & skf21("1","2","5","4","5","5","3","1") = "4"
    & skf21("1","2","5","4","5","5","4","1") = "4"
    & skf21("1","2","5","4","5","5","5","1") = "4"
    & skf21("1","2","5","4","5","5","6","1") = "5"
    & skf21("1","2","5","4","5","5","7","1") = "6"
    & skf21("1","2","5","4","5","6","1","1") = "5"
    & skf21("1","2","5","4","5","6","2","1") = "5"
    & skf21("1","2","5","4","5","6","3","1") = "5"
    & skf21("1","2","5","4","5","6","4","1") = "5"
    & skf21("1","2","5","4","5","6","5","1") = "5"
    & skf21("1","2","5","4","5","6","6","1") = "5"
    & skf21("1","2","5","4","5","6","7","1") = "6"
    & skf21("1","2","5","4","5","7","1","1") = "6"
    & skf21("1","2","5","4","5","7","2","1") = "6"
    & skf21("1","2","5","4","5","7","3","1") = "6"
    & skf21("1","2","5","4","5","7","4","1") = "6"
    & skf21("1","2","5","4","5","7","5","1") = "6"
    & skf21("1","2","5","4","5","7","6","1") = "6"
    & skf21("1","2","5","4","5","7","7","1") = "6"
    & skf21("1","2","5","4","6","1","1","1") = "5"
    & skf21("1","2","5","4","6","1","2","1") = "5"
    & skf21("1","2","5","4","6","1","3","1") = "5"
    & skf21("1","2","5","4","6","1","4","1") = "5"
    & skf21("1","2","5","4","6","1","5","1") = "5"
    & skf21("1","2","5","4","6","1","6","1") = "5"
    & skf21("1","2","5","4","6","1","7","1") = "6"
    & skf21("1","2","5","4","6","2","1","1") = "5"
    & skf21("1","2","5","4","6","2","2","1") = "5"
    & skf21("1","2","5","4","6","2","3","1") = "5"
    & skf21("1","2","5","4","6","2","4","1") = "5"
    & skf21("1","2","5","4","6","2","5","1") = "5"
    & skf21("1","2","5","4","6","2","6","1") = "5"
    & skf21("1","2","5","4","6","2","7","1") = "6"
    & skf21("1","2","5","4","6","3","1","1") = "5"
    & skf21("1","2","5","4","6","3","2","1") = "5"
    & skf21("1","2","5","4","6","3","3","1") = "5"
    & skf21("1","2","5","4","6","3","4","1") = "5"
    & skf21("1","2","5","4","6","3","5","1") = "5"
    & skf21("1","2","5","4","6","3","6","1") = "5"
    & skf21("1","2","5","4","6","3","7","1") = "6"
    & skf21("1","2","5","4","6","4","1","1") = "5"
    & skf21("1","2","5","4","6","4","2","1") = "5"
    & skf21("1","2","5","4","6","4","3","1") = "5"
    & skf21("1","2","5","4","6","4","4","1") = "5"
    & skf21("1","2","5","4","6","4","5","1") = "5"
    & skf21("1","2","5","4","6","4","6","1") = "5"
    & skf21("1","2","5","4","6","4","7","1") = "6"
    & skf21("1","2","5","4","6","5","1","1") = "5"
    & skf21("1","2","5","4","6","5","2","1") = "5"
    & skf21("1","2","5","4","6","5","3","1") = "5"
    & skf21("1","2","5","4","6","5","4","1") = "5"
    & skf21("1","2","5","4","6","5","5","1") = "5"
    & skf21("1","2","5","4","6","5","6","1") = "5"
    & skf21("1","2","5","4","6","5","7","1") = "6"
    & skf21("1","2","5","4","6","6","1","1") = "5"
    & skf21("1","2","5","4","6","6","2","1") = "5"
    & skf21("1","2","5","4","6","6","3","1") = "5"
    & skf21("1","2","5","4","6","6","4","1") = "5"
    & skf21("1","2","5","4","6","6","5","1") = "5"
    & skf21("1","2","5","4","6","6","6","1") = "5"
    & skf21("1","2","5","4","6","6","7","1") = "6"
    & skf21("1","2","5","4","6","7","1","1") = "6"
    & skf21("1","2","5","4","6","7","2","1") = "6"
    & skf21("1","2","5","4","6","7","3","1") = "6"
    & skf21("1","2","5","4","6","7","4","1") = "6"
    & skf21("1","2","5","4","6","7","5","1") = "6"
    & skf21("1","2","5","4","6","7","6","1") = "6"
    & skf21("1","2","5","4","6","7","7","1") = "6"
    & skf21("1","2","5","4","7","1","1","1") = "6"
    & skf21("1","2","5","4","7","1","2","1") = "6"
    & skf21("1","2","5","4","7","1","3","1") = "6"
    & skf21("1","2","5","4","7","1","4","1") = "6"
    & skf21("1","2","5","4","7","1","5","1") = "6"
    & skf21("1","2","5","4","7","1","6","1") = "6"
    & skf21("1","2","5","4","7","1","7","1") = "6"
    & skf21("1","2","5","4","7","2","1","1") = "6"
    & skf21("1","2","5","4","7","2","2","1") = "6"
    & skf21("1","2","5","4","7","2","3","1") = "6"
    & skf21("1","2","5","4","7","2","4","1") = "6"
    & skf21("1","2","5","4","7","2","5","1") = "6"
    & skf21("1","2","5","4","7","2","6","1") = "6"
    & skf21("1","2","5","4","7","2","7","1") = "6"
    & skf21("1","2","5","4","7","3","1","1") = "6"
    & skf21("1","2","5","4","7","3","2","1") = "6"
    & skf21("1","2","5","4","7","3","3","1") = "6"
    & skf21("1","2","5","4","7","3","4","1") = "6"
    & skf21("1","2","5","4","7","3","5","1") = "6"
    & skf21("1","2","5","4","7","3","6","1") = "6"
    & skf21("1","2","5","4","7","3","7","1") = "6"
    & skf21("1","2","5","4","7","4","1","1") = "6"
    & skf21("1","2","5","4","7","4","2","1") = "6"
    & skf21("1","2","5","4","7","4","3","1") = "6"
    & skf21("1","2","5","4","7","4","4","1") = "6"
    & skf21("1","2","5","4","7","4","5","1") = "6"
    & skf21("1","2","5","4","7","4","6","1") = "6"
    & skf21("1","2","5","4","7","4","7","1") = "6"
    & skf21("1","2","5","4","7","5","1","1") = "6"
    & skf21("1","2","5","4","7","5","2","1") = "6"
    & skf21("1","2","5","4","7","5","3","1") = "6"
    & skf21("1","2","5","4","7","5","4","1") = "6"
    & skf21("1","2","5","4","7","5","5","1") = "6"
    & skf21("1","2","5","4","7","5","6","1") = "6"
    & skf21("1","2","5","4","7","5","7","1") = "6"
    & skf21("1","2","5","4","7","6","1","1") = "6"
    & skf21("1","2","5","4","7","6","2","1") = "6"
    & skf21("1","2","5","4","7","6","3","1") = "6"
    & skf21("1","2","5","4","7","6","4","1") = "6"
    & skf21("1","2","5","4","7","6","5","1") = "6"
    & skf21("1","2","5","4","7","6","6","1") = "6"
    & skf21("1","2","5","4","7","6","7","1") = "6"
    & skf21("1","2","5","4","7","7","1","1") = "6"
    & skf21("1","2","5","4","7","7","2","1") = "6"
    & skf21("1","2","5","4","7","7","3","1") = "6"
    & skf21("1","2","5","4","7","7","4","1") = "6"
    & skf21("1","2","5","4","7","7","5","1") = "6"
    & skf21("1","2","5","4","7","7","6","1") = "6"
    & skf21("1","2","5","4","7","7","7","1") = "6"
    & skf21("1","2","5","5","1","1","1","1") = "4"
    & skf21("1","2","5","5","1","1","2","1") = "4"
    & skf21("1","2","5","5","1","1","3","1") = "4"
    & skf21("1","2","5","5","1","1","4","1") = "4"
    & skf21("1","2","5","5","1","1","5","1") = "4"
    & skf21("1","2","5","5","1","1","6","1") = "5"
    & skf21("1","2","5","5","1","1","7","1") = "6"
    & skf21("1","2","5","5","1","2","1","1") = "4"
    & skf21("1","2","5","5","1","2","2","1") = "4"
    & skf21("1","2","5","5","1","2","3","1") = "4"
    & skf21("1","2","5","5","1","2","4","1") = "4"
    & skf21("1","2","5","5","1","2","5","1") = "4"
    & skf21("1","2","5","5","1","2","6","1") = "5"
    & skf21("1","2","5","5","1","2","7","1") = "6"
    & skf21("1","2","5","5","1","3","1","1") = "4"
    & skf21("1","2","5","5","1","3","2","1") = "4"
    & skf21("1","2","5","5","1","3","3","1") = "4"
    & skf21("1","2","5","5","1","3","4","1") = "4"
    & skf21("1","2","5","5","1","3","5","1") = "4"
    & skf21("1","2","5","5","1","3","6","1") = "5"
    & skf21("1","2","5","5","1","3","7","1") = "6"
    & skf21("1","2","5","5","1","4","1","1") = "4"
    & skf21("1","2","5","5","1","4","2","1") = "4"
    & skf21("1","2","5","5","1","4","3","1") = "4"
    & skf21("1","2","5","5","1","4","4","1") = "4"
    & skf21("1","2","5","5","1","4","5","1") = "4"
    & skf21("1","2","5","5","1","4","6","1") = "5"
    & skf21("1","2","5","5","1","4","7","1") = "6"
    & skf21("1","2","5","5","1","5","1","1") = "4"
    & skf21("1","2","5","5","1","5","2","1") = "4"
    & skf21("1","2","5","5","1","5","3","1") = "4"
    & skf21("1","2","5","5","1","5","4","1") = "4"
    & skf21("1","2","5","5","1","5","5","1") = "4"
    & skf21("1","2","5","5","1","5","6","1") = "5"
    & skf21("1","2","5","5","1","5","7","1") = "6"
    & skf21("1","2","5","5","1","6","1","1") = "5"
    & skf21("1","2","5","5","1","6","2","1") = "5"
    & skf21("1","2","5","5","1","6","3","1") = "5"
    & skf21("1","2","5","5","1","6","4","1") = "5"
    & skf21("1","2","5","5","1","6","5","1") = "5"
    & skf21("1","2","5","5","1","6","6","1") = "5"
    & skf21("1","2","5","5","1","6","7","1") = "6"
    & skf21("1","2","5","5","1","7","1","1") = "6"
    & skf21("1","2","5","5","1","7","2","1") = "6"
    & skf21("1","2","5","5","1","7","3","1") = "6"
    & skf21("1","2","5","5","1","7","4","1") = "6"
    & skf21("1","2","5","5","1","7","5","1") = "6"
    & skf21("1","2","5","5","1","7","6","1") = "6"
    & skf21("1","2","5","5","1","7","7","1") = "6"
    & skf21("1","2","5","5","2","1","1","1") = "4"
    & skf21("1","2","5","5","2","1","2","1") = "4"
    & skf21("1","2","5","5","2","1","3","1") = "4"
    & skf21("1","2","5","5","2","1","4","1") = "4"
    & skf21("1","2","5","5","2","1","5","1") = "4"
    & skf21("1","2","5","5","2","1","6","1") = "5"
    & skf21("1","2","5","5","2","1","7","1") = "6"
    & skf21("1","2","5","5","2","2","1","1") = "4"
    & skf21("1","2","5","5","2","2","2","1") = "4"
    & skf21("1","2","5","5","2","2","3","1") = "4"
    & skf21("1","2","5","5","2","2","4","1") = "4"
    & skf21("1","2","5","5","2","2","5","1") = "4"
    & skf21("1","2","5","5","2","2","6","1") = "5"
    & skf21("1","2","5","5","2","2","7","1") = "6"
    & skf21("1","2","5","5","2","3","1","1") = "4"
    & skf21("1","2","5","5","2","3","2","1") = "4"
    & skf21("1","2","5","5","2","3","3","1") = "4"
    & skf21("1","2","5","5","2","3","4","1") = "4"
    & skf21("1","2","5","5","2","3","5","1") = "4"
    & skf21("1","2","5","5","2","3","6","1") = "5"
    & skf21("1","2","5","5","2","3","7","1") = "6"
    & skf21("1","2","5","5","2","4","1","1") = "4"
    & skf21("1","2","5","5","2","4","2","1") = "4"
    & skf21("1","2","5","5","2","4","3","1") = "4"
    & skf21("1","2","5","5","2","4","4","1") = "4"
    & skf21("1","2","5","5","2","4","5","1") = "4"
    & skf21("1","2","5","5","2","4","6","1") = "5"
    & skf21("1","2","5","5","2","4","7","1") = "6"
    & skf21("1","2","5","5","2","5","1","1") = "4"
    & skf21("1","2","5","5","2","5","2","1") = "4"
    & skf21("1","2","5","5","2","5","3","1") = "4"
    & skf21("1","2","5","5","2","5","4","1") = "4"
    & skf21("1","2","5","5","2","5","5","1") = "4"
    & skf21("1","2","5","5","2","5","6","1") = "5"
    & skf21("1","2","5","5","2","5","7","1") = "6"
    & skf21("1","2","5","5","2","6","1","1") = "5"
    & skf21("1","2","5","5","2","6","2","1") = "5"
    & skf21("1","2","5","5","2","6","3","1") = "5"
    & skf21("1","2","5","5","2","6","4","1") = "5"
    & skf21("1","2","5","5","2","6","5","1") = "5"
    & skf21("1","2","5","5","2","6","6","1") = "5"
    & skf21("1","2","5","5","2","6","7","1") = "6"
    & skf21("1","2","5","5","2","7","1","1") = "6"
    & skf21("1","2","5","5","2","7","2","1") = "6"
    & skf21("1","2","5","5","2","7","3","1") = "6"
    & skf21("1","2","5","5","2","7","4","1") = "6"
    & skf21("1","2","5","5","2","7","5","1") = "6"
    & skf21("1","2","5","5","2","7","6","1") = "6"
    & skf21("1","2","5","5","2","7","7","1") = "6"
    & skf21("1","2","5","5","3","1","1","1") = "4"
    & skf21("1","2","5","5","3","1","2","1") = "4"
    & skf21("1","2","5","5","3","1","3","1") = "4"
    & skf21("1","2","5","5","3","1","4","1") = "4"
    & skf21("1","2","5","5","3","1","5","1") = "4"
    & skf21("1","2","5","5","3","1","6","1") = "5"
    & skf21("1","2","5","5","3","1","7","1") = "6"
    & skf21("1","2","5","5","3","2","1","1") = "4"
    & skf21("1","2","5","5","3","2","2","1") = "4"
    & skf21("1","2","5","5","3","2","3","1") = "4"
    & skf21("1","2","5","5","3","2","4","1") = "4"
    & skf21("1","2","5","5","3","2","5","1") = "4"
    & skf21("1","2","5","5","3","2","6","1") = "5"
    & skf21("1","2","5","5","3","2","7","1") = "6"
    & skf21("1","2","5","5","3","3","1","1") = "4"
    & skf21("1","2","5","5","3","3","2","1") = "4"
    & skf21("1","2","5","5","3","3","3","1") = "4"
    & skf21("1","2","5","5","3","3","4","1") = "4"
    & skf21("1","2","5","5","3","3","5","1") = "4"
    & skf21("1","2","5","5","3","3","6","1") = "5"
    & skf21("1","2","5","5","3","3","7","1") = "6"
    & skf21("1","2","5","5","3","4","1","1") = "4"
    & skf21("1","2","5","5","3","4","2","1") = "4"
    & skf21("1","2","5","5","3","4","3","1") = "4"
    & skf21("1","2","5","5","3","4","4","1") = "4"
    & skf21("1","2","5","5","3","4","5","1") = "4"
    & skf21("1","2","5","5","3","4","6","1") = "5"
    & skf21("1","2","5","5","3","4","7","1") = "6"
    & skf21("1","2","5","5","3","5","1","1") = "4"
    & skf21("1","2","5","5","3","5","2","1") = "4"
    & skf21("1","2","5","5","3","5","3","1") = "4"
    & skf21("1","2","5","5","3","5","4","1") = "4"
    & skf21("1","2","5","5","3","5","5","1") = "4"
    & skf21("1","2","5","5","3","5","6","1") = "5"
    & skf21("1","2","5","5","3","5","7","1") = "6"
    & skf21("1","2","5","5","3","6","1","1") = "5"
    & skf21("1","2","5","5","3","6","2","1") = "5"
    & skf21("1","2","5","5","3","6","3","1") = "5"
    & skf21("1","2","5","5","3","6","4","1") = "5"
    & skf21("1","2","5","5","3","6","5","1") = "5"
    & skf21("1","2","5","5","3","6","6","1") = "5"
    & skf21("1","2","5","5","3","6","7","1") = "6"
    & skf21("1","2","5","5","3","7","1","1") = "6"
    & skf21("1","2","5","5","3","7","2","1") = "6"
    & skf21("1","2","5","5","3","7","3","1") = "6"
    & skf21("1","2","5","5","3","7","4","1") = "6"
    & skf21("1","2","5","5","3","7","5","1") = "6"
    & skf21("1","2","5","5","3","7","6","1") = "6"
    & skf21("1","2","5","5","3","7","7","1") = "6"
    & skf21("1","2","5","5","4","1","1","1") = "4"
    & skf21("1","2","5","5","4","1","2","1") = "4"
    & skf21("1","2","5","5","4","1","3","1") = "4"
    & skf21("1","2","5","5","4","1","4","1") = "4"
    & skf21("1","2","5","5","4","1","5","1") = "4"
    & skf21("1","2","5","5","4","1","6","1") = "5"
    & skf21("1","2","5","5","4","1","7","1") = "6"
    & skf21("1","2","5","5","4","2","1","1") = "4"
    & skf21("1","2","5","5","4","2","2","1") = "4"
    & skf21("1","2","5","5","4","2","3","1") = "4"
    & skf21("1","2","5","5","4","2","4","1") = "4"
    & skf21("1","2","5","5","4","2","5","1") = "4"
    & skf21("1","2","5","5","4","2","6","1") = "5"
    & skf21("1","2","5","5","4","2","7","1") = "6"
    & skf21("1","2","5","5","4","3","1","1") = "4"
    & skf21("1","2","5","5","4","3","2","1") = "4"
    & skf21("1","2","5","5","4","3","3","1") = "4"
    & skf21("1","2","5","5","4","3","4","1") = "4"
    & skf21("1","2","5","5","4","3","5","1") = "4"
    & skf21("1","2","5","5","4","3","6","1") = "5"
    & skf21("1","2","5","5","4","3","7","1") = "6"
    & skf21("1","2","5","5","4","4","1","1") = "4"
    & skf21("1","2","5","5","4","4","2","1") = "4"
    & skf21("1","2","5","5","4","4","3","1") = "4"
    & skf21("1","2","5","5","4","4","4","1") = "4"
    & skf21("1","2","5","5","4","4","5","1") = "4"
    & skf21("1","2","5","5","4","4","6","1") = "5"
    & skf21("1","2","5","5","4","4","7","1") = "6"
    & skf21("1","2","5","5","4","5","1","1") = "4"
    & skf21("1","2","5","5","4","5","2","1") = "4"
    & skf21("1","2","5","5","4","5","3","1") = "4"
    & skf21("1","2","5","5","4","5","4","1") = "4"
    & skf21("1","2","5","5","4","5","5","1") = "4"
    & skf21("1","2","5","5","4","5","6","1") = "5"
    & skf21("1","2","5","5","4","5","7","1") = "6"
    & skf21("1","2","5","5","4","6","1","1") = "5"
    & skf21("1","2","5","5","4","6","2","1") = "5"
    & skf21("1","2","5","5","4","6","3","1") = "5"
    & skf21("1","2","5","5","4","6","4","1") = "5"
    & skf21("1","2","5","5","4","6","5","1") = "5"
    & skf21("1","2","5","5","4","6","6","1") = "5"
    & skf21("1","2","5","5","4","6","7","1") = "6"
    & skf21("1","2","5","5","4","7","1","1") = "6"
    & skf21("1","2","5","5","4","7","2","1") = "6"
    & skf21("1","2","5","5","4","7","3","1") = "6"
    & skf21("1","2","5","5","4","7","4","1") = "6"
    & skf21("1","2","5","5","4","7","5","1") = "6"
    & skf21("1","2","5","5","4","7","6","1") = "6"
    & skf21("1","2","5","5","4","7","7","1") = "6"
    & skf21("1","2","5","5","5","1","1","1") = "4"
    & skf21("1","2","5","5","5","1","2","1") = "4"
    & skf21("1","2","5","5","5","1","3","1") = "4"
    & skf21("1","2","5","5","5","1","4","1") = "4"
    & skf21("1","2","5","5","5","1","5","1") = "4"
    & skf21("1","2","5","5","5","1","6","1") = "5"
    & skf21("1","2","5","5","5","1","7","1") = "6"
    & skf21("1","2","5","5","5","2","1","1") = "4"
    & skf21("1","2","5","5","5","2","2","1") = "4"
    & skf21("1","2","5","5","5","2","3","1") = "4"
    & skf21("1","2","5","5","5","2","4","1") = "4"
    & skf21("1","2","5","5","5","2","5","1") = "4"
    & skf21("1","2","5","5","5","2","6","1") = "5"
    & skf21("1","2","5","5","5","2","7","1") = "6"
    & skf21("1","2","5","5","5","3","1","1") = "4"
    & skf21("1","2","5","5","5","3","2","1") = "4"
    & skf21("1","2","5","5","5","3","3","1") = "4"
    & skf21("1","2","5","5","5","3","4","1") = "4"
    & skf21("1","2","5","5","5","3","5","1") = "4"
    & skf21("1","2","5","5","5","3","6","1") = "5"
    & skf21("1","2","5","5","5","3","7","1") = "6"
    & skf21("1","2","5","5","5","4","1","1") = "4"
    & skf21("1","2","5","5","5","4","2","1") = "4"
    & skf21("1","2","5","5","5","4","3","1") = "4"
    & skf21("1","2","5","5","5","4","4","1") = "4"
    & skf21("1","2","5","5","5","4","5","1") = "4"
    & skf21("1","2","5","5","5","4","6","1") = "5"
    & skf21("1","2","5","5","5","4","7","1") = "6"
    & skf21("1","2","5","5","5","5","1","1") = "4"
    & skf21("1","2","5","5","5","5","2","1") = "4"
    & skf21("1","2","5","5","5","5","3","1") = "4"
    & skf21("1","2","5","5","5","5","4","1") = "4"
    & skf21("1","2","5","5","5","5","5","1") = "4"
    & skf21("1","2","5","5","5","5","6","1") = "5"
    & skf21("1","2","5","5","5","5","7","1") = "6"
    & skf21("1","2","5","5","5","6","1","1") = "5"
    & skf21("1","2","5","5","5","6","2","1") = "5"
    & skf21("1","2","5","5","5","6","3","1") = "5"
    & skf21("1","2","5","5","5","6","4","1") = "5"
    & skf21("1","2","5","5","5","6","5","1") = "5"
    & skf21("1","2","5","5","5","6","6","1") = "5"
    & skf21("1","2","5","5","5","6","7","1") = "6"
    & skf21("1","2","5","5","5","7","1","1") = "6"
    & skf21("1","2","5","5","5","7","2","1") = "6"
    & skf21("1","2","5","5","5","7","3","1") = "6"
    & skf21("1","2","5","5","5","7","4","1") = "6"
    & skf21("1","2","5","5","5","7","5","1") = "6"
    & skf21("1","2","5","5","5","7","6","1") = "6"
    & skf21("1","2","5","5","5","7","7","1") = "6"
    & skf21("1","2","5","5","6","1","1","1") = "5"
    & skf21("1","2","5","5","6","1","2","1") = "5"
    & skf21("1","2","5","5","6","1","3","1") = "5"
    & skf21("1","2","5","5","6","1","4","1") = "5"
    & skf21("1","2","5","5","6","1","5","1") = "5"
    & skf21("1","2","5","5","6","1","6","1") = "5"
    & skf21("1","2","5","5","6","1","7","1") = "6"
    & skf21("1","2","5","5","6","2","1","1") = "5"
    & skf21("1","2","5","5","6","2","2","1") = "5"
    & skf21("1","2","5","5","6","2","3","1") = "5"
    & skf21("1","2","5","5","6","2","4","1") = "5"
    & skf21("1","2","5","5","6","2","5","1") = "5"
    & skf21("1","2","5","5","6","2","6","1") = "5"
    & skf21("1","2","5","5","6","2","7","1") = "6"
    & skf21("1","2","5","5","6","3","1","1") = "5"
    & skf21("1","2","5","5","6","3","2","1") = "5"
    & skf21("1","2","5","5","6","3","3","1") = "5"
    & skf21("1","2","5","5","6","3","4","1") = "5"
    & skf21("1","2","5","5","6","3","5","1") = "5"
    & skf21("1","2","5","5","6","3","6","1") = "5"
    & skf21("1","2","5","5","6","3","7","1") = "6"
    & skf21("1","2","5","5","6","4","1","1") = "5"
    & skf21("1","2","5","5","6","4","2","1") = "5"
    & skf21("1","2","5","5","6","4","3","1") = "5"
    & skf21("1","2","5","5","6","4","4","1") = "5"
    & skf21("1","2","5","5","6","4","5","1") = "5"
    & skf21("1","2","5","5","6","4","6","1") = "5"
    & skf21("1","2","5","5","6","4","7","1") = "6"
    & skf21("1","2","5","5","6","5","1","1") = "5"
    & skf21("1","2","5","5","6","5","2","1") = "5"
    & skf21("1","2","5","5","6","5","3","1") = "5"
    & skf21("1","2","5","5","6","5","4","1") = "5"
    & skf21("1","2","5","5","6","5","5","1") = "5"
    & skf21("1","2","5","5","6","5","6","1") = "5"
    & skf21("1","2","5","5","6","5","7","1") = "6"
    & skf21("1","2","5","5","6","6","1","1") = "5"
    & skf21("1","2","5","5","6","6","2","1") = "5"
    & skf21("1","2","5","5","6","6","3","1") = "5"
    & skf21("1","2","5","5","6","6","4","1") = "5"
    & skf21("1","2","5","5","6","6","5","1") = "5"
    & skf21("1","2","5","5","6","6","6","1") = "5"
    & skf21("1","2","5","5","6","6","7","1") = "6"
    & skf21("1","2","5","5","6","7","1","1") = "6"
    & skf21("1","2","5","5","6","7","2","1") = "6"
    & skf21("1","2","5","5","6","7","3","1") = "6"
    & skf21("1","2","5","5","6","7","4","1") = "6"
    & skf21("1","2","5","5","6","7","5","1") = "6"
    & skf21("1","2","5","5","6","7","6","1") = "6"
    & skf21("1","2","5","5","6","7","7","1") = "6"
    & skf21("1","2","5","5","7","1","1","1") = "6"
    & skf21("1","2","5","5","7","1","2","1") = "6"
    & skf21("1","2","5","5","7","1","3","1") = "6"
    & skf21("1","2","5","5","7","1","4","1") = "6"
    & skf21("1","2","5","5","7","1","5","1") = "6"
    & skf21("1","2","5","5","7","1","6","1") = "6"
    & skf21("1","2","5","5","7","1","7","1") = "6"
    & skf21("1","2","5","5","7","2","1","1") = "6"
    & skf21("1","2","5","5","7","2","2","1") = "6"
    & skf21("1","2","5","5","7","2","3","1") = "6"
    & skf21("1","2","5","5","7","2","4","1") = "6"
    & skf21("1","2","5","5","7","2","5","1") = "6"
    & skf21("1","2","5","5","7","2","6","1") = "6"
    & skf21("1","2","5","5","7","2","7","1") = "6"
    & skf21("1","2","5","5","7","3","1","1") = "6"
    & skf21("1","2","5","5","7","3","2","1") = "6"
    & skf21("1","2","5","5","7","3","3","1") = "6"
    & skf21("1","2","5","5","7","3","4","1") = "6"
    & skf21("1","2","5","5","7","3","5","1") = "6"
    & skf21("1","2","5","5","7","3","6","1") = "6"
    & skf21("1","2","5","5","7","3","7","1") = "6"
    & skf21("1","2","5","5","7","4","1","1") = "6"
    & skf21("1","2","5","5","7","4","2","1") = "6"
    & skf21("1","2","5","5","7","4","3","1") = "6"
    & skf21("1","2","5","5","7","4","4","1") = "6"
    & skf21("1","2","5","5","7","4","5","1") = "6"
    & skf21("1","2","5","5","7","4","6","1") = "6"
    & skf21("1","2","5","5","7","4","7","1") = "6"
    & skf21("1","2","5","5","7","5","1","1") = "6"
    & skf21("1","2","5","5","7","5","2","1") = "6"
    & skf21("1","2","5","5","7","5","3","1") = "6"
    & skf21("1","2","5","5","7","5","4","1") = "6"
    & skf21("1","2","5","5","7","5","5","1") = "6"
    & skf21("1","2","5","5","7","5","6","1") = "6"
    & skf21("1","2","5","5","7","5","7","1") = "6"
    & skf21("1","2","5","5","7","6","1","1") = "6"
    & skf21("1","2","5","5","7","6","2","1") = "6"
    & skf21("1","2","5","5","7","6","3","1") = "6"
    & skf21("1","2","5","5","7","6","4","1") = "6"
    & skf21("1","2","5","5","7","6","5","1") = "6"
    & skf21("1","2","5","5","7","6","6","1") = "6"
    & skf21("1","2","5","5","7","6","7","1") = "6"
    & skf21("1","2","5","5","7","7","1","1") = "6"
    & skf21("1","2","5","5","7","7","2","1") = "6"
    & skf21("1","2","5","5","7","7","3","1") = "6"
    & skf21("1","2","5","5","7","7","4","1") = "6"
    & skf21("1","2","5","5","7","7","5","1") = "6"
    & skf21("1","2","5","5","7","7","6","1") = "6"
    & skf21("1","2","5","5","7","7","7","1") = "6"
    & skf21("1","2","5","6","1","1","1","1") = "5"
    & skf21("1","2","5","6","1","1","2","1") = "5"
    & skf21("1","2","5","6","1","1","3","1") = "5"
    & skf21("1","2","5","6","1","1","4","1") = "5"
    & skf21("1","2","5","6","1","1","5","1") = "5"
    & skf21("1","2","5","6","1","1","6","1") = "5"
    & skf21("1","2","5","6","1","1","7","1") = "6"
    & skf21("1","2","5","6","1","2","1","1") = "5"
    & skf21("1","2","5","6","1","2","2","1") = "5"
    & skf21("1","2","5","6","1","2","3","1") = "5"
    & skf21("1","2","5","6","1","2","4","1") = "5"
    & skf21("1","2","5","6","1","2","5","1") = "5"
    & skf21("1","2","5","6","1","2","6","1") = "5"
    & skf21("1","2","5","6","1","2","7","1") = "6"
    & skf21("1","2","5","6","1","3","1","1") = "5"
    & skf21("1","2","5","6","1","3","2","1") = "5"
    & skf21("1","2","5","6","1","3","3","1") = "5"
    & skf21("1","2","5","6","1","3","4","1") = "5"
    & skf21("1","2","5","6","1","3","5","1") = "5"
    & skf21("1","2","5","6","1","3","6","1") = "5"
    & skf21("1","2","5","6","1","3","7","1") = "6"
    & skf21("1","2","5","6","1","4","1","1") = "5"
    & skf21("1","2","5","6","1","4","2","1") = "5"
    & skf21("1","2","5","6","1","4","3","1") = "5"
    & skf21("1","2","5","6","1","4","4","1") = "5"
    & skf21("1","2","5","6","1","4","5","1") = "5"
    & skf21("1","2","5","6","1","4","6","1") = "5"
    & skf21("1","2","5","6","1","4","7","1") = "6"
    & skf21("1","2","5","6","1","5","1","1") = "5"
    & skf21("1","2","5","6","1","5","2","1") = "5"
    & skf21("1","2","5","6","1","5","3","1") = "5"
    & skf21("1","2","5","6","1","5","4","1") = "5"
    & skf21("1","2","5","6","1","5","5","1") = "5"
    & skf21("1","2","5","6","1","5","6","1") = "5"
    & skf21("1","2","5","6","1","5","7","1") = "6"
    & skf21("1","2","5","6","1","6","1","1") = "5"
    & skf21("1","2","5","6","1","6","2","1") = "5"
    & skf21("1","2","5","6","1","6","3","1") = "5"
    & skf21("1","2","5","6","1","6","4","1") = "5"
    & skf21("1","2","5","6","1","6","5","1") = "5"
    & skf21("1","2","5","6","1","6","6","1") = "5"
    & skf21("1","2","5","6","1","6","7","1") = "6"
    & skf21("1","2","5","6","1","7","1","1") = "6"
    & skf21("1","2","5","6","1","7","2","1") = "6"
    & skf21("1","2","5","6","1","7","3","1") = "6"
    & skf21("1","2","5","6","1","7","4","1") = "6"
    & skf21("1","2","5","6","1","7","5","1") = "6"
    & skf21("1","2","5","6","1","7","6","1") = "6"
    & skf21("1","2","5","6","1","7","7","1") = "6"
    & skf21("1","2","5","6","2","1","1","1") = "5"
    & skf21("1","2","5","6","2","1","2","1") = "5"
    & skf21("1","2","5","6","2","1","3","1") = "5"
    & skf21("1","2","5","6","2","1","4","1") = "5"
    & skf21("1","2","5","6","2","1","5","1") = "5"
    & skf21("1","2","5","6","2","1","6","1") = "5"
    & skf21("1","2","5","6","2","1","7","1") = "6"
    & skf21("1","2","5","6","2","2","1","1") = "5"
    & skf21("1","2","5","6","2","2","2","1") = "5"
    & skf21("1","2","5","6","2","2","3","1") = "5"
    & skf21("1","2","5","6","2","2","4","1") = "5"
    & skf21("1","2","5","6","2","2","5","1") = "5"
    & skf21("1","2","5","6","2","2","6","1") = "5"
    & skf21("1","2","5","6","2","2","7","1") = "6"
    & skf21("1","2","5","6","2","3","1","1") = "5"
    & skf21("1","2","5","6","2","3","2","1") = "5"
    & skf21("1","2","5","6","2","3","3","1") = "5"
    & skf21("1","2","5","6","2","3","4","1") = "5"
    & skf21("1","2","5","6","2","3","5","1") = "5"
    & skf21("1","2","5","6","2","3","6","1") = "5"
    & skf21("1","2","5","6","2","3","7","1") = "6"
    & skf21("1","2","5","6","2","4","1","1") = "5"
    & skf21("1","2","5","6","2","4","2","1") = "5"
    & skf21("1","2","5","6","2","4","3","1") = "5"
    & skf21("1","2","5","6","2","4","4","1") = "5"
    & skf21("1","2","5","6","2","4","5","1") = "5"
    & skf21("1","2","5","6","2","4","6","1") = "5"
    & skf21("1","2","5","6","2","4","7","1") = "6"
    & skf21("1","2","5","6","2","5","1","1") = "5"
    & skf21("1","2","5","6","2","5","2","1") = "5"
    & skf21("1","2","5","6","2","5","3","1") = "5"
    & skf21("1","2","5","6","2","5","4","1") = "5"
    & skf21("1","2","5","6","2","5","5","1") = "5"
    & skf21("1","2","5","6","2","5","6","1") = "5"
    & skf21("1","2","5","6","2","5","7","1") = "6"
    & skf21("1","2","5","6","2","6","1","1") = "5"
    & skf21("1","2","5","6","2","6","2","1") = "5"
    & skf21("1","2","5","6","2","6","3","1") = "5"
    & skf21("1","2","5","6","2","6","4","1") = "5"
    & skf21("1","2","5","6","2","6","5","1") = "5"
    & skf21("1","2","5","6","2","6","6","1") = "5"
    & skf21("1","2","5","6","2","6","7","1") = "6"
    & skf21("1","2","5","6","2","7","1","1") = "6"
    & skf21("1","2","5","6","2","7","2","1") = "6"
    & skf21("1","2","5","6","2","7","3","1") = "6"
    & skf21("1","2","5","6","2","7","4","1") = "6"
    & skf21("1","2","5","6","2","7","5","1") = "6"
    & skf21("1","2","5","6","2","7","6","1") = "6"
    & skf21("1","2","5","6","2","7","7","1") = "6"
    & skf21("1","2","5","6","3","1","1","1") = "5"
    & skf21("1","2","5","6","3","1","2","1") = "5"
    & skf21("1","2","5","6","3","1","3","1") = "5"
    & skf21("1","2","5","6","3","1","4","1") = "5"
    & skf21("1","2","5","6","3","1","5","1") = "5"
    & skf21("1","2","5","6","3","1","6","1") = "5"
    & skf21("1","2","5","6","3","1","7","1") = "6"
    & skf21("1","2","5","6","3","2","1","1") = "5"
    & skf21("1","2","5","6","3","2","2","1") = "5"
    & skf21("1","2","5","6","3","2","3","1") = "5"
    & skf21("1","2","5","6","3","2","4","1") = "5"
    & skf21("1","2","5","6","3","2","5","1") = "5"
    & skf21("1","2","5","6","3","2","6","1") = "5"
    & skf21("1","2","5","6","3","2","7","1") = "6"
    & skf21("1","2","5","6","3","3","1","1") = "5"
    & skf21("1","2","5","6","3","3","2","1") = "5"
    & skf21("1","2","5","6","3","3","3","1") = "5"
    & skf21("1","2","5","6","3","3","4","1") = "5"
    & skf21("1","2","5","6","3","3","5","1") = "5"
    & skf21("1","2","5","6","3","3","6","1") = "5"
    & skf21("1","2","5","6","3","3","7","1") = "6"
    & skf21("1","2","5","6","3","4","1","1") = "5"
    & skf21("1","2","5","6","3","4","2","1") = "5"
    & skf21("1","2","5","6","3","4","3","1") = "5"
    & skf21("1","2","5","6","3","4","4","1") = "5"
    & skf21("1","2","5","6","3","4","5","1") = "5"
    & skf21("1","2","5","6","3","4","6","1") = "5"
    & skf21("1","2","5","6","3","4","7","1") = "6"
    & skf21("1","2","5","6","3","5","1","1") = "5"
    & skf21("1","2","5","6","3","5","2","1") = "5"
    & skf21("1","2","5","6","3","5","3","1") = "5"
    & skf21("1","2","5","6","3","5","4","1") = "5"
    & skf21("1","2","5","6","3","5","5","1") = "5"
    & skf21("1","2","5","6","3","5","6","1") = "5"
    & skf21("1","2","5","6","3","5","7","1") = "6"
    & skf21("1","2","5","6","3","6","1","1") = "5"
    & skf21("1","2","5","6","3","6","2","1") = "5"
    & skf21("1","2","5","6","3","6","3","1") = "5"
    & skf21("1","2","5","6","3","6","4","1") = "5"
    & skf21("1","2","5","6","3","6","5","1") = "5"
    & skf21("1","2","5","6","3","6","6","1") = "5"
    & skf21("1","2","5","6","3","6","7","1") = "6"
    & skf21("1","2","5","6","3","7","1","1") = "6"
    & skf21("1","2","5","6","3","7","2","1") = "6"
    & skf21("1","2","5","6","3","7","3","1") = "6"
    & skf21("1","2","5","6","3","7","4","1") = "6"
    & skf21("1","2","5","6","3","7","5","1") = "6"
    & skf21("1","2","5","6","3","7","6","1") = "6"
    & skf21("1","2","5","6","3","7","7","1") = "6"
    & skf21("1","2","5","6","4","1","1","1") = "5"
    & skf21("1","2","5","6","4","1","2","1") = "5"
    & skf21("1","2","5","6","4","1","3","1") = "5"
    & skf21("1","2","5","6","4","1","4","1") = "5"
    & skf21("1","2","5","6","4","1","5","1") = "5"
    & skf21("1","2","5","6","4","1","6","1") = "5"
    & skf21("1","2","5","6","4","1","7","1") = "6"
    & skf21("1","2","5","6","4","2","1","1") = "5"
    & skf21("1","2","5","6","4","2","2","1") = "5"
    & skf21("1","2","5","6","4","2","3","1") = "5"
    & skf21("1","2","5","6","4","2","4","1") = "5"
    & skf21("1","2","5","6","4","2","5","1") = "5"
    & skf21("1","2","5","6","4","2","6","1") = "5"
    & skf21("1","2","5","6","4","2","7","1") = "6"
    & skf21("1","2","5","6","4","3","1","1") = "5"
    & skf21("1","2","5","6","4","3","2","1") = "5"
    & skf21("1","2","5","6","4","3","3","1") = "5"
    & skf21("1","2","5","6","4","3","4","1") = "5"
    & skf21("1","2","5","6","4","3","5","1") = "5"
    & skf21("1","2","5","6","4","3","6","1") = "5"
    & skf21("1","2","5","6","4","3","7","1") = "6"
    & skf21("1","2","5","6","4","4","1","1") = "5"
    & skf21("1","2","5","6","4","4","2","1") = "5"
    & skf21("1","2","5","6","4","4","3","1") = "5"
    & skf21("1","2","5","6","4","4","4","1") = "5"
    & skf21("1","2","5","6","4","4","5","1") = "5"
    & skf21("1","2","5","6","4","4","6","1") = "5"
    & skf21("1","2","5","6","4","4","7","1") = "6"
    & skf21("1","2","5","6","4","5","1","1") = "5"
    & skf21("1","2","5","6","4","5","2","1") = "5"
    & skf21("1","2","5","6","4","5","3","1") = "5"
    & skf21("1","2","5","6","4","5","4","1") = "5"
    & skf21("1","2","5","6","4","5","5","1") = "5"
    & skf21("1","2","5","6","4","5","6","1") = "5"
    & skf21("1","2","5","6","4","5","7","1") = "6"
    & skf21("1","2","5","6","4","6","1","1") = "5"
    & skf21("1","2","5","6","4","6","2","1") = "5"
    & skf21("1","2","5","6","4","6","3","1") = "5"
    & skf21("1","2","5","6","4","6","4","1") = "5"
    & skf21("1","2","5","6","4","6","5","1") = "5"
    & skf21("1","2","5","6","4","6","6","1") = "5"
    & skf21("1","2","5","6","4","6","7","1") = "6"
    & skf21("1","2","5","6","4","7","1","1") = "6"
    & skf21("1","2","5","6","4","7","2","1") = "6"
    & skf21("1","2","5","6","4","7","3","1") = "6"
    & skf21("1","2","5","6","4","7","4","1") = "6"
    & skf21("1","2","5","6","4","7","5","1") = "6"
    & skf21("1","2","5","6","4","7","6","1") = "6"
    & skf21("1","2","5","6","4","7","7","1") = "6"
    & skf21("1","2","5","6","5","1","1","1") = "5"
    & skf21("1","2","5","6","5","1","2","1") = "5"
    & skf21("1","2","5","6","5","1","3","1") = "5"
    & skf21("1","2","5","6","5","1","4","1") = "5"
    & skf21("1","2","5","6","5","1","5","1") = "5"
    & skf21("1","2","5","6","5","1","6","1") = "5"
    & skf21("1","2","5","6","5","1","7","1") = "6"
    & skf21("1","2","5","6","5","2","1","1") = "5"
    & skf21("1","2","5","6","5","2","2","1") = "5"
    & skf21("1","2","5","6","5","2","3","1") = "5"
    & skf21("1","2","5","6","5","2","4","1") = "5"
    & skf21("1","2","5","6","5","2","5","1") = "5"
    & skf21("1","2","5","6","5","2","6","1") = "5"
    & skf21("1","2","5","6","5","2","7","1") = "6"
    & skf21("1","2","5","6","5","3","1","1") = "5"
    & skf21("1","2","5","6","5","3","2","1") = "5"
    & skf21("1","2","5","6","5","3","3","1") = "5"
    & skf21("1","2","5","6","5","3","4","1") = "5"
    & skf21("1","2","5","6","5","3","5","1") = "5"
    & skf21("1","2","5","6","5","3","6","1") = "5"
    & skf21("1","2","5","6","5","3","7","1") = "6"
    & skf21("1","2","5","6","5","4","1","1") = "5"
    & skf21("1","2","5","6","5","4","2","1") = "5"
    & skf21("1","2","5","6","5","4","3","1") = "5"
    & skf21("1","2","5","6","5","4","4","1") = "5"
    & skf21("1","2","5","6","5","4","5","1") = "5"
    & skf21("1","2","5","6","5","4","6","1") = "5"
    & skf21("1","2","5","6","5","4","7","1") = "6"
    & skf21("1","2","5","6","5","5","1","1") = "5"
    & skf21("1","2","5","6","5","5","2","1") = "5"
    & skf21("1","2","5","6","5","5","3","1") = "5"
    & skf21("1","2","5","6","5","5","4","1") = "5"
    & skf21("1","2","5","6","5","5","5","1") = "5"
    & skf21("1","2","5","6","5","5","6","1") = "5"
    & skf21("1","2","5","6","5","5","7","1") = "6"
    & skf21("1","2","5","6","5","6","1","1") = "5"
    & skf21("1","2","5","6","5","6","2","1") = "5"
    & skf21("1","2","5","6","5","6","3","1") = "5"
    & skf21("1","2","5","6","5","6","4","1") = "5"
    & skf21("1","2","5","6","5","6","5","1") = "5"
    & skf21("1","2","5","6","5","6","6","1") = "5"
    & skf21("1","2","5","6","5","6","7","1") = "6"
    & skf21("1","2","5","6","5","7","1","1") = "6"
    & skf21("1","2","5","6","5","7","2","1") = "6"
    & skf21("1","2","5","6","5","7","3","1") = "6"
    & skf21("1","2","5","6","5","7","4","1") = "6"
    & skf21("1","2","5","6","5","7","5","1") = "6"
    & skf21("1","2","5","6","5","7","6","1") = "6"
    & skf21("1","2","5","6","5","7","7","1") = "6"
    & skf21("1","2","5","6","6","1","1","1") = "5"
    & skf21("1","2","5","6","6","1","2","1") = "5"
    & skf21("1","2","5","6","6","1","3","1") = "5"
    & skf21("1","2","5","6","6","1","4","1") = "5"
    & skf21("1","2","5","6","6","1","5","1") = "5"
    & skf21("1","2","5","6","6","1","6","1") = "5"
    & skf21("1","2","5","6","6","1","7","1") = "6"
    & skf21("1","2","5","6","6","2","1","1") = "5"
    & skf21("1","2","5","6","6","2","2","1") = "5"
    & skf21("1","2","5","6","6","2","3","1") = "5"
    & skf21("1","2","5","6","6","2","4","1") = "5"
    & skf21("1","2","5","6","6","2","5","1") = "5"
    & skf21("1","2","5","6","6","2","6","1") = "5"
    & skf21("1","2","5","6","6","2","7","1") = "6"
    & skf21("1","2","5","6","6","3","1","1") = "5"
    & skf21("1","2","5","6","6","3","2","1") = "5"
    & skf21("1","2","5","6","6","3","3","1") = "5"
    & skf21("1","2","5","6","6","3","4","1") = "5"
    & skf21("1","2","5","6","6","3","5","1") = "5"
    & skf21("1","2","5","6","6","3","6","1") = "5"
    & skf21("1","2","5","6","6","3","7","1") = "6"
    & skf21("1","2","5","6","6","4","1","1") = "5"
    & skf21("1","2","5","6","6","4","2","1") = "5"
    & skf21("1","2","5","6","6","4","3","1") = "5"
    & skf21("1","2","5","6","6","4","4","1") = "5"
    & skf21("1","2","5","6","6","4","5","1") = "5"
    & skf21("1","2","5","6","6","4","6","1") = "5"
    & skf21("1","2","5","6","6","4","7","1") = "6"
    & skf21("1","2","5","6","6","5","1","1") = "5"
    & skf21("1","2","5","6","6","5","2","1") = "5"
    & skf21("1","2","5","6","6","5","3","1") = "5"
    & skf21("1","2","5","6","6","5","4","1") = "5"
    & skf21("1","2","5","6","6","5","5","1") = "5"
    & skf21("1","2","5","6","6","5","6","1") = "5"
    & skf21("1","2","5","6","6","5","7","1") = "6"
    & skf21("1","2","5","6","6","6","1","1") = "5"
    & skf21("1","2","5","6","6","6","2","1") = "5"
    & skf21("1","2","5","6","6","6","3","1") = "5"
    & skf21("1","2","5","6","6","6","4","1") = "5"
    & skf21("1","2","5","6","6","6","5","1") = "5"
    & skf21("1","2","5","6","6","6","6","1") = "5"
    & skf21("1","2","5","6","6","6","7","1") = "6"
    & skf21("1","2","5","6","6","7","1","1") = "6"
    & skf21("1","2","5","6","6","7","2","1") = "6"
    & skf21("1","2","5","6","6","7","3","1") = "6"
    & skf21("1","2","5","6","6","7","4","1") = "6"
    & skf21("1","2","5","6","6","7","5","1") = "6"
    & skf21("1","2","5","6","6","7","6","1") = "6"
    & skf21("1","2","5","6","6","7","7","1") = "6"
    & skf21("1","2","5","6","7","1","1","1") = "6"
    & skf21("1","2","5","6","7","1","2","1") = "6"
    & skf21("1","2","5","6","7","1","3","1") = "6"
    & skf21("1","2","5","6","7","1","4","1") = "6"
    & skf21("1","2","5","6","7","1","5","1") = "6"
    & skf21("1","2","5","6","7","1","6","1") = "6"
    & skf21("1","2","5","6","7","1","7","1") = "6"
    & skf21("1","2","5","6","7","2","1","1") = "6"
    & skf21("1","2","5","6","7","2","2","1") = "6"
    & skf21("1","2","5","6","7","2","3","1") = "6"
    & skf21("1","2","5","6","7","2","4","1") = "6"
    & skf21("1","2","5","6","7","2","5","1") = "6"
    & skf21("1","2","5","6","7","2","6","1") = "6"
    & skf21("1","2","5","6","7","2","7","1") = "6"
    & skf21("1","2","5","6","7","3","1","1") = "6"
    & skf21("1","2","5","6","7","3","2","1") = "6"
    & skf21("1","2","5","6","7","3","3","1") = "6"
    & skf21("1","2","5","6","7","3","4","1") = "6"
    & skf21("1","2","5","6","7","3","5","1") = "6"
    & skf21("1","2","5","6","7","3","6","1") = "6"
    & skf21("1","2","5","6","7","3","7","1") = "6"
    & skf21("1","2","5","6","7","4","1","1") = "6"
    & skf21("1","2","5","6","7","4","2","1") = "6"
    & skf21("1","2","5","6","7","4","3","1") = "6"
    & skf21("1","2","5","6","7","4","4","1") = "6"
    & skf21("1","2","5","6","7","4","5","1") = "6"
    & skf21("1","2","5","6","7","4","6","1") = "6"
    & skf21("1","2","5","6","7","4","7","1") = "6"
    & skf21("1","2","5","6","7","5","1","1") = "6"
    & skf21("1","2","5","6","7","5","2","1") = "6"
    & skf21("1","2","5","6","7","5","3","1") = "6"
    & skf21("1","2","5","6","7","5","4","1") = "6"
    & skf21("1","2","5","6","7","5","5","1") = "6"
    & skf21("1","2","5","6","7","5","6","1") = "6"
    & skf21("1","2","5","6","7","5","7","1") = "6"
    & skf21("1","2","5","6","7","6","1","1") = "6"
    & skf21("1","2","5","6","7","6","2","1") = "6"
    & skf21("1","2","5","6","7","6","3","1") = "6"
    & skf21("1","2","5","6","7","6","4","1") = "6"
    & skf21("1","2","5","6","7","6","5","1") = "6"
    & skf21("1","2","5","6","7","6","6","1") = "6"
    & skf21("1","2","5","6","7","6","7","1") = "6"
    & skf21("1","2","5","6","7","7","1","1") = "6"
    & skf21("1","2","5","6","7","7","2","1") = "6"
    & skf21("1","2","5","6","7","7","3","1") = "6"
    & skf21("1","2","5","6","7","7","4","1") = "6"
    & skf21("1","2","5","6","7","7","5","1") = "6"
    & skf21("1","2","5","6","7","7","6","1") = "6"
    & skf21("1","2","5","6","7","7","7","1") = "6"
    & skf21("1","2","5","7","1","1","1","1") = "6"
    & skf21("1","2","5","7","1","1","2","1") = "6"
    & skf21("1","2","5","7","1","1","3","1") = "6"
    & skf21("1","2","5","7","1","1","4","1") = "6"
    & skf21("1","2","5","7","1","1","5","1") = "6"
    & skf21("1","2","5","7","1","1","6","1") = "6"
    & skf21("1","2","5","7","1","1","7","1") = "6"
    & skf21("1","2","5","7","1","2","1","1") = "6"
    & skf21("1","2","5","7","1","2","2","1") = "6"
    & skf21("1","2","5","7","1","2","3","1") = "6"
    & skf21("1","2","5","7","1","2","4","1") = "6"
    & skf21("1","2","5","7","1","2","5","1") = "6"
    & skf21("1","2","5","7","1","2","6","1") = "6"
    & skf21("1","2","5","7","1","2","7","1") = "6"
    & skf21("1","2","5","7","1","3","1","1") = "6"
    & skf21("1","2","5","7","1","3","2","1") = "6"
    & skf21("1","2","5","7","1","3","3","1") = "6"
    & skf21("1","2","5","7","1","3","4","1") = "6"
    & skf21("1","2","5","7","1","3","5","1") = "6"
    & skf21("1","2","5","7","1","3","6","1") = "6"
    & skf21("1","2","5","7","1","3","7","1") = "6"
    & skf21("1","2","5","7","1","4","1","1") = "6"
    & skf21("1","2","5","7","1","4","2","1") = "6"
    & skf21("1","2","5","7","1","4","3","1") = "6"
    & skf21("1","2","5","7","1","4","4","1") = "6"
    & skf21("1","2","5","7","1","4","5","1") = "6"
    & skf21("1","2","5","7","1","4","6","1") = "6"
    & skf21("1","2","5","7","1","4","7","1") = "6"
    & skf21("1","2","5","7","1","5","1","1") = "6"
    & skf21("1","2","5","7","1","5","2","1") = "6"
    & skf21("1","2","5","7","1","5","3","1") = "6"
    & skf21("1","2","5","7","1","5","4","1") = "6"
    & skf21("1","2","5","7","1","5","5","1") = "6"
    & skf21("1","2","5","7","1","5","6","1") = "6"
    & skf21("1","2","5","7","1","5","7","1") = "6"
    & skf21("1","2","5","7","1","6","1","1") = "6"
    & skf21("1","2","5","7","1","6","2","1") = "6"
    & skf21("1","2","5","7","1","6","3","1") = "6"
    & skf21("1","2","5","7","1","6","4","1") = "6"
    & skf21("1","2","5","7","1","6","5","1") = "6"
    & skf21("1","2","5","7","1","6","6","1") = "6"
    & skf21("1","2","5","7","1","6","7","1") = "6"
    & skf21("1","2","5","7","1","7","1","1") = "6"
    & skf21("1","2","5","7","1","7","2","1") = "6"
    & skf21("1","2","5","7","1","7","3","1") = "6"
    & skf21("1","2","5","7","1","7","4","1") = "6"
    & skf21("1","2","5","7","1","7","5","1") = "6"
    & skf21("1","2","5","7","1","7","6","1") = "6"
    & skf21("1","2","5","7","1","7","7","1") = "6"
    & skf21("1","2","5","7","2","1","1","1") = "6"
    & skf21("1","2","5","7","2","1","2","1") = "6"
    & skf21("1","2","5","7","2","1","3","1") = "6"
    & skf21("1","2","5","7","2","1","4","1") = "6"
    & skf21("1","2","5","7","2","1","5","1") = "6"
    & skf21("1","2","5","7","2","1","6","1") = "6"
    & skf21("1","2","5","7","2","1","7","1") = "6"
    & skf21("1","2","5","7","2","2","1","1") = "6"
    & skf21("1","2","5","7","2","2","2","1") = "6"
    & skf21("1","2","5","7","2","2","3","1") = "6"
    & skf21("1","2","5","7","2","2","4","1") = "6"
    & skf21("1","2","5","7","2","2","5","1") = "6"
    & skf21("1","2","5","7","2","2","6","1") = "6"
    & skf21("1","2","5","7","2","2","7","1") = "6"
    & skf21("1","2","5","7","2","3","1","1") = "6"
    & skf21("1","2","5","7","2","3","2","1") = "6"
    & skf21("1","2","5","7","2","3","3","1") = "6"
    & skf21("1","2","5","7","2","3","4","1") = "6"
    & skf21("1","2","5","7","2","3","5","1") = "6"
    & skf21("1","2","5","7","2","3","6","1") = "6"
    & skf21("1","2","5","7","2","3","7","1") = "6"
    & skf21("1","2","5","7","2","4","1","1") = "6"
    & skf21("1","2","5","7","2","4","2","1") = "6"
    & skf21("1","2","5","7","2","4","3","1") = "6"
    & skf21("1","2","5","7","2","4","4","1") = "6"
    & skf21("1","2","5","7","2","4","5","1") = "6"
    & skf21("1","2","5","7","2","4","6","1") = "6"
    & skf21("1","2","5","7","2","4","7","1") = "6"
    & skf21("1","2","5","7","2","5","1","1") = "6"
    & skf21("1","2","5","7","2","5","2","1") = "6"
    & skf21("1","2","5","7","2","5","3","1") = "6"
    & skf21("1","2","5","7","2","5","4","1") = "6"
    & skf21("1","2","5","7","2","5","5","1") = "6"
    & skf21("1","2","5","7","2","5","6","1") = "6"
    & skf21("1","2","5","7","2","5","7","1") = "6"
    & skf21("1","2","5","7","2","6","1","1") = "6"
    & skf21("1","2","5","7","2","6","2","1") = "6"
    & skf21("1","2","5","7","2","6","3","1") = "6"
    & skf21("1","2","5","7","2","6","4","1") = "6"
    & skf21("1","2","5","7","2","6","5","1") = "6"
    & skf21("1","2","5","7","2","6","6","1") = "6"
    & skf21("1","2","5","7","2","6","7","1") = "6"
    & skf21("1","2","5","7","2","7","1","1") = "6"
    & skf21("1","2","5","7","2","7","2","1") = "6"
    & skf21("1","2","5","7","2","7","3","1") = "6"
    & skf21("1","2","5","7","2","7","4","1") = "6"
    & skf21("1","2","5","7","2","7","5","1") = "6"
    & skf21("1","2","5","7","2","7","6","1") = "6"
    & skf21("1","2","5","7","2","7","7","1") = "6"
    & skf21("1","2","5","7","3","1","1","1") = "6"
    & skf21("1","2","5","7","3","1","2","1") = "6"
    & skf21("1","2","5","7","3","1","3","1") = "6"
    & skf21("1","2","5","7","3","1","4","1") = "6"
    & skf21("1","2","5","7","3","1","5","1") = "6"
    & skf21("1","2","5","7","3","1","6","1") = "6"
    & skf21("1","2","5","7","3","1","7","1") = "6"
    & skf21("1","2","5","7","3","2","1","1") = "6"
    & skf21("1","2","5","7","3","2","2","1") = "6"
    & skf21("1","2","5","7","3","2","3","1") = "6"
    & skf21("1","2","5","7","3","2","4","1") = "6"
    & skf21("1","2","5","7","3","2","5","1") = "6"
    & skf21("1","2","5","7","3","2","6","1") = "6"
    & skf21("1","2","5","7","3","2","7","1") = "6"
    & skf21("1","2","5","7","3","3","1","1") = "6"
    & skf21("1","2","5","7","3","3","2","1") = "6"
    & skf21("1","2","5","7","3","3","3","1") = "6"
    & skf21("1","2","5","7","3","3","4","1") = "6"
    & skf21("1","2","5","7","3","3","5","1") = "6"
    & skf21("1","2","5","7","3","3","6","1") = "6"
    & skf21("1","2","5","7","3","3","7","1") = "6"
    & skf21("1","2","5","7","3","4","1","1") = "6"
    & skf21("1","2","5","7","3","4","2","1") = "6"
    & skf21("1","2","5","7","3","4","3","1") = "6"
    & skf21("1","2","5","7","3","4","4","1") = "6"
    & skf21("1","2","5","7","3","4","5","1") = "6"
    & skf21("1","2","5","7","3","4","6","1") = "6"
    & skf21("1","2","5","7","3","4","7","1") = "6"
    & skf21("1","2","5","7","3","5","1","1") = "6"
    & skf21("1","2","5","7","3","5","2","1") = "6"
    & skf21("1","2","5","7","3","5","3","1") = "6"
    & skf21("1","2","5","7","3","5","4","1") = "6"
    & skf21("1","2","5","7","3","5","5","1") = "6"
    & skf21("1","2","5","7","3","5","6","1") = "6"
    & skf21("1","2","5","7","3","5","7","1") = "6"
    & skf21("1","2","5","7","3","6","1","1") = "6"
    & skf21("1","2","5","7","3","6","2","1") = "6"
    & skf21("1","2","5","7","3","6","3","1") = "6"
    & skf21("1","2","5","7","3","6","4","1") = "6"
    & skf21("1","2","5","7","3","6","5","1") = "6"
    & skf21("1","2","5","7","3","6","6","1") = "6"
    & skf21("1","2","5","7","3","6","7","1") = "6"
    & skf21("1","2","5","7","3","7","1","1") = "6"
    & skf21("1","2","5","7","3","7","2","1") = "6"
    & skf21("1","2","5","7","3","7","3","1") = "6"
    & skf21("1","2","5","7","3","7","4","1") = "6"
    & skf21("1","2","5","7","3","7","5","1") = "6"
    & skf21("1","2","5","7","3","7","6","1") = "6"
    & skf21("1","2","5","7","3","7","7","1") = "6"
    & skf21("1","2","5","7","4","1","1","1") = "6"
    & skf21("1","2","5","7","4","1","2","1") = "6"
    & skf21("1","2","5","7","4","1","3","1") = "6"
    & skf21("1","2","5","7","4","1","4","1") = "6"
    & skf21("1","2","5","7","4","1","5","1") = "6"
    & skf21("1","2","5","7","4","1","6","1") = "6"
    & skf21("1","2","5","7","4","1","7","1") = "6"
    & skf21("1","2","5","7","4","2","1","1") = "6"
    & skf21("1","2","5","7","4","2","2","1") = "6"
    & skf21("1","2","5","7","4","2","3","1") = "6"
    & skf21("1","2","5","7","4","2","4","1") = "6"
    & skf21("1","2","5","7","4","2","5","1") = "6"
    & skf21("1","2","5","7","4","2","6","1") = "6"
    & skf21("1","2","5","7","4","2","7","1") = "6"
    & skf21("1","2","5","7","4","3","1","1") = "6"
    & skf21("1","2","5","7","4","3","2","1") = "6"
    & skf21("1","2","5","7","4","3","3","1") = "6"
    & skf21("1","2","5","7","4","3","4","1") = "6"
    & skf21("1","2","5","7","4","3","5","1") = "6"
    & skf21("1","2","5","7","4","3","6","1") = "6"
    & skf21("1","2","5","7","4","3","7","1") = "6"
    & skf21("1","2","5","7","4","4","1","1") = "6"
    & skf21("1","2","5","7","4","4","2","1") = "6"
    & skf21("1","2","5","7","4","4","3","1") = "6"
    & skf21("1","2","5","7","4","4","4","1") = "6"
    & skf21("1","2","5","7","4","4","5","1") = "6"
    & skf21("1","2","5","7","4","4","6","1") = "6"
    & skf21("1","2","5","7","4","4","7","1") = "6"
    & skf21("1","2","5","7","4","5","1","1") = "6"
    & skf21("1","2","5","7","4","5","2","1") = "6"
    & skf21("1","2","5","7","4","5","3","1") = "6"
    & skf21("1","2","5","7","4","5","4","1") = "6"
    & skf21("1","2","5","7","4","5","5","1") = "6"
    & skf21("1","2","5","7","4","5","6","1") = "6"
    & skf21("1","2","5","7","4","5","7","1") = "6"
    & skf21("1","2","5","7","4","6","1","1") = "6"
    & skf21("1","2","5","7","4","6","2","1") = "6"
    & skf21("1","2","5","7","4","6","3","1") = "6"
    & skf21("1","2","5","7","4","6","4","1") = "6"
    & skf21("1","2","5","7","4","6","5","1") = "6"
    & skf21("1","2","5","7","4","6","6","1") = "6"
    & skf21("1","2","5","7","4","6","7","1") = "6"
    & skf21("1","2","5","7","4","7","1","1") = "6"
    & skf21("1","2","5","7","4","7","2","1") = "6"
    & skf21("1","2","5","7","4","7","3","1") = "6"
    & skf21("1","2","5","7","4","7","4","1") = "6"
    & skf21("1","2","5","7","4","7","5","1") = "6"
    & skf21("1","2","5","7","4","7","6","1") = "6"
    & skf21("1","2","5","7","4","7","7","1") = "6"
    & skf21("1","2","5","7","5","1","1","1") = "6"
    & skf21("1","2","5","7","5","1","2","1") = "6"
    & skf21("1","2","5","7","5","1","3","1") = "6"
    & skf21("1","2","5","7","5","1","4","1") = "6"
    & skf21("1","2","5","7","5","1","5","1") = "6"
    & skf21("1","2","5","7","5","1","6","1") = "6"
    & skf21("1","2","5","7","5","1","7","1") = "6"
    & skf21("1","2","5","7","5","2","1","1") = "6"
    & skf21("1","2","5","7","5","2","2","1") = "6"
    & skf21("1","2","5","7","5","2","3","1") = "6"
    & skf21("1","2","5","7","5","2","4","1") = "6"
    & skf21("1","2","5","7","5","2","5","1") = "6"
    & skf21("1","2","5","7","5","2","6","1") = "6"
    & skf21("1","2","5","7","5","2","7","1") = "6"
    & skf21("1","2","5","7","5","3","1","1") = "6"
    & skf21("1","2","5","7","5","3","2","1") = "6"
    & skf21("1","2","5","7","5","3","3","1") = "6"
    & skf21("1","2","5","7","5","3","4","1") = "6"
    & skf21("1","2","5","7","5","3","5","1") = "6"
    & skf21("1","2","5","7","5","3","6","1") = "6"
    & skf21("1","2","5","7","5","3","7","1") = "6"
    & skf21("1","2","5","7","5","4","1","1") = "6"
    & skf21("1","2","5","7","5","4","2","1") = "6"
    & skf21("1","2","5","7","5","4","3","1") = "6"
    & skf21("1","2","5","7","5","4","4","1") = "6"
    & skf21("1","2","5","7","5","4","5","1") = "6"
    & skf21("1","2","5","7","5","4","6","1") = "6"
    & skf21("1","2","5","7","5","4","7","1") = "6"
    & skf21("1","2","5","7","5","5","1","1") = "6"
    & skf21("1","2","5","7","5","5","2","1") = "6"
    & skf21("1","2","5","7","5","5","3","1") = "6"
    & skf21("1","2","5","7","5","5","4","1") = "6"
    & skf21("1","2","5","7","5","5","5","1") = "6"
    & skf21("1","2","5","7","5","5","6","1") = "6"
    & skf21("1","2","5","7","5","5","7","1") = "6"
    & skf21("1","2","5","7","5","6","1","1") = "6"
    & skf21("1","2","5","7","5","6","2","1") = "6"
    & skf21("1","2","5","7","5","6","3","1") = "6"
    & skf21("1","2","5","7","5","6","4","1") = "6"
    & skf21("1","2","5","7","5","6","5","1") = "6"
    & skf21("1","2","5","7","5","6","6","1") = "6"
    & skf21("1","2","5","7","5","6","7","1") = "6"
    & skf21("1","2","5","7","5","7","1","1") = "6"
    & skf21("1","2","5","7","5","7","2","1") = "6"
    & skf21("1","2","5","7","5","7","3","1") = "6"
    & skf21("1","2","5","7","5","7","4","1") = "6"
    & skf21("1","2","5","7","5","7","5","1") = "6"
    & skf21("1","2","5","7","5","7","6","1") = "6"
    & skf21("1","2","5","7","5","7","7","1") = "6"
    & skf21("1","2","5","7","6","1","1","1") = "6"
    & skf21("1","2","5","7","6","1","2","1") = "6"
    & skf21("1","2","5","7","6","1","3","1") = "6"
    & skf21("1","2","5","7","6","1","4","1") = "6"
    & skf21("1","2","5","7","6","1","5","1") = "6"
    & skf21("1","2","5","7","6","1","6","1") = "6"
    & skf21("1","2","5","7","6","1","7","1") = "6"
    & skf21("1","2","5","7","6","2","1","1") = "6"
    & skf21("1","2","5","7","6","2","2","1") = "6"
    & skf21("1","2","5","7","6","2","3","1") = "6"
    & skf21("1","2","5","7","6","2","4","1") = "6"
    & skf21("1","2","5","7","6","2","5","1") = "6"
    & skf21("1","2","5","7","6","2","6","1") = "6"
    & skf21("1","2","5","7","6","2","7","1") = "6"
    & skf21("1","2","5","7","6","3","1","1") = "6"
    & skf21("1","2","5","7","6","3","2","1") = "6"
    & skf21("1","2","5","7","6","3","3","1") = "6"
    & skf21("1","2","5","7","6","3","4","1") = "6"
    & skf21("1","2","5","7","6","3","5","1") = "6"
    & skf21("1","2","5","7","6","3","6","1") = "6"
    & skf21("1","2","5","7","6","3","7","1") = "6"
    & skf21("1","2","5","7","6","4","1","1") = "6"
    & skf21("1","2","5","7","6","4","2","1") = "6"
    & skf21("1","2","5","7","6","4","3","1") = "6"
    & skf21("1","2","5","7","6","4","4","1") = "6"
    & skf21("1","2","5","7","6","4","5","1") = "6"
    & skf21("1","2","5","7","6","4","6","1") = "6"
    & skf21("1","2","5","7","6","4","7","1") = "6"
    & skf21("1","2","5","7","6","5","1","1") = "6"
    & skf21("1","2","5","7","6","5","2","1") = "6"
    & skf21("1","2","5","7","6","5","3","1") = "6"
    & skf21("1","2","5","7","6","5","4","1") = "6"
    & skf21("1","2","5","7","6","5","5","1") = "6"
    & skf21("1","2","5","7","6","5","6","1") = "6"
    & skf21("1","2","5","7","6","5","7","1") = "6"
    & skf21("1","2","5","7","6","6","1","1") = "6"
    & skf21("1","2","5","7","6","6","2","1") = "6"
    & skf21("1","2","5","7","6","6","3","1") = "6"
    & skf21("1","2","5","7","6","6","4","1") = "6"
    & skf21("1","2","5","7","6","6","5","1") = "6"
    & skf21("1","2","5","7","6","6","6","1") = "6"
    & skf21("1","2","5","7","6","6","7","1") = "6"
    & skf21("1","2","5","7","6","7","1","1") = "6"
    & skf21("1","2","5","7","6","7","2","1") = "6"
    & skf21("1","2","5","7","6","7","3","1") = "6"
    & skf21("1","2","5","7","6","7","4","1") = "6"
    & skf21("1","2","5","7","6","7","5","1") = "6"
    & skf21("1","2","5","7","6","7","6","1") = "6"
    & skf21("1","2","5","7","6","7","7","1") = "6"
    & skf21("1","2","5","7","7","1","1","1") = "6"
    & skf21("1","2","5","7","7","1","2","1") = "6"
    & skf21("1","2","5","7","7","1","3","1") = "6"
    & skf21("1","2","5","7","7","1","4","1") = "6"
    & skf21("1","2","5","7","7","1","5","1") = "6"
    & skf21("1","2","5","7","7","1","6","1") = "6"
    & skf21("1","2","5","7","7","1","7","1") = "6"
    & skf21("1","2","5","7","7","2","1","1") = "6"
    & skf21("1","2","5","7","7","2","2","1") = "6"
    & skf21("1","2","5","7","7","2","3","1") = "6"
    & skf21("1","2","5","7","7","2","4","1") = "6"
    & skf21("1","2","5","7","7","2","5","1") = "6"
    & skf21("1","2","5","7","7","2","6","1") = "6"
    & skf21("1","2","5","7","7","2","7","1") = "6"
    & skf21("1","2","5","7","7","3","1","1") = "6"
    & skf21("1","2","5","7","7","3","2","1") = "6"
    & skf21("1","2","5","7","7","3","3","1") = "6"
    & skf21("1","2","5","7","7","3","4","1") = "6"
    & skf21("1","2","5","7","7","3","5","1") = "6"
    & skf21("1","2","5","7","7","3","6","1") = "6"
    & skf21("1","2","5","7","7","3","7","1") = "6"
    & skf21("1","2","5","7","7","4","1","1") = "6"
    & skf21("1","2","5","7","7","4","2","1") = "6"
    & skf21("1","2","5","7","7","4","3","1") = "6"
    & skf21("1","2","5","7","7","4","4","1") = "6"
    & skf21("1","2","5","7","7","4","5","1") = "6"
    & skf21("1","2","5","7","7","4","6","1") = "6"
    & skf21("1","2","5","7","7","4","7","1") = "6"
    & skf21("1","2","5","7","7","5","1","1") = "6"
    & skf21("1","2","5","7","7","5","2","1") = "6"
    & skf21("1","2","5","7","7","5","3","1") = "6"
    & skf21("1","2","5","7","7","5","4","1") = "6"
    & skf21("1","2","5","7","7","5","5","1") = "6"
    & skf21("1","2","5","7","7","5","6","1") = "6"
    & skf21("1","2","5","7","7","5","7","1") = "6"
    & skf21("1","2","5","7","7","6","1","1") = "6"
    & skf21("1","2","5","7","7","6","2","1") = "6"
    & skf21("1","2","5","7","7","6","3","1") = "6"
    & skf21("1","2","5","7","7","6","4","1") = "6"
    & skf21("1","2","5","7","7","6","5","1") = "6"
    & skf21("1","2","5","7","7","6","6","1") = "6"
    & skf21("1","2","5","7","7","6","7","1") = "6"
    & skf21("1","2","5","7","7","7","1","1") = "6"
    & skf21("1","2","5","7","7","7","2","1") = "6"
    & skf21("1","2","5","7","7","7","3","1") = "6"
    & skf21("1","2","5","7","7","7","4","1") = "6"
    & skf21("1","2","5","7","7","7","5","1") = "6"
    & skf21("1","2","5","7","7","7","6","1") = "6"
    & skf21("1","2","5","7","7","7","7","1") = "6"
    & skf21("1","2","6","1","1","1","1","1") = "5"
    & skf21("1","2","6","1","1","1","2","1") = "5"
    & skf21("1","2","6","1","1","1","3","1") = "5"
    & skf21("1","2","6","1","1","1","4","1") = "5"
    & skf21("1","2","6","1","1","1","5","1") = "5"
    & skf21("1","2","6","1","1","1","6","1") = "5"
    & skf21("1","2","6","1","1","1","7","1") = "6"
    & skf21("1","2","6","1","1","2","1","1") = "5"
    & skf21("1","2","6","1","1","2","2","1") = "5"
    & skf21("1","2","6","1","1","2","3","1") = "5"
    & skf21("1","2","6","1","1","2","4","1") = "5"
    & skf21("1","2","6","1","1","2","5","1") = "5"
    & skf21("1","2","6","1","1","2","6","1") = "5"
    & skf21("1","2","6","1","1","2","7","1") = "6"
    & skf21("1","2","6","1","1","3","1","1") = "5"
    & skf21("1","2","6","1","1","3","2","1") = "5"
    & skf21("1","2","6","1","1","3","3","1") = "5"
    & skf21("1","2","6","1","1","3","4","1") = "5"
    & skf21("1","2","6","1","1","3","5","1") = "5"
    & skf21("1","2","6","1","1","3","6","1") = "5"
    & skf21("1","2","6","1","1","3","7","1") = "6"
    & skf21("1","2","6","1","1","4","1","1") = "5"
    & skf21("1","2","6","1","1","4","2","1") = "5"
    & skf21("1","2","6","1","1","4","3","1") = "5"
    & skf21("1","2","6","1","1","4","4","1") = "5"
    & skf21("1","2","6","1","1","4","5","1") = "5"
    & skf21("1","2","6","1","1","4","6","1") = "5"
    & skf21("1","2","6","1","1","4","7","1") = "6"
    & skf21("1","2","6","1","1","5","1","1") = "5"
    & skf21("1","2","6","1","1","5","2","1") = "5"
    & skf21("1","2","6","1","1","5","3","1") = "5"
    & skf21("1","2","6","1","1","5","4","1") = "5"
    & skf21("1","2","6","1","1","5","5","1") = "5"
    & skf21("1","2","6","1","1","5","6","1") = "5"
    & skf21("1","2","6","1","1","5","7","1") = "6"
    & skf21("1","2","6","1","1","6","1","1") = "5"
    & skf21("1","2","6","1","1","6","2","1") = "5"
    & skf21("1","2","6","1","1","6","3","1") = "5"
    & skf21("1","2","6","1","1","6","4","1") = "5"
    & skf21("1","2","6","1","1","6","5","1") = "5"
    & skf21("1","2","6","1","1","6","6","1") = "5"
    & skf21("1","2","6","1","1","6","7","1") = "6"
    & skf21("1","2","6","1","1","7","1","1") = "6"
    & skf21("1","2","6","1","1","7","2","1") = "6"
    & skf21("1","2","6","1","1","7","3","1") = "6"
    & skf21("1","2","6","1","1","7","4","1") = "6"
    & skf21("1","2","6","1","1","7","5","1") = "6"
    & skf21("1","2","6","1","1","7","6","1") = "6"
    & skf21("1","2","6","1","1","7","7","1") = "6"
    & skf21("1","2","6","1","2","1","1","1") = "5"
    & skf21("1","2","6","1","2","1","2","1") = "5"
    & skf21("1","2","6","1","2","1","3","1") = "5"
    & skf21("1","2","6","1","2","1","4","1") = "5"
    & skf21("1","2","6","1","2","1","5","1") = "5"
    & skf21("1","2","6","1","2","1","6","1") = "5"
    & skf21("1","2","6","1","2","1","7","1") = "6"
    & skf21("1","2","6","1","2","2","1","1") = "5"
    & skf21("1","2","6","1","2","2","2","1") = "5"
    & skf21("1","2","6","1","2","2","3","1") = "5"
    & skf21("1","2","6","1","2","2","4","1") = "5"
    & skf21("1","2","6","1","2","2","5","1") = "5"
    & skf21("1","2","6","1","2","2","6","1") = "5"
    & skf21("1","2","6","1","2","2","7","1") = "6"
    & skf21("1","2","6","1","2","3","1","1") = "5"
    & skf21("1","2","6","1","2","3","2","1") = "5"
    & skf21("1","2","6","1","2","3","3","1") = "5"
    & skf21("1","2","6","1","2","3","4","1") = "5"
    & skf21("1","2","6","1","2","3","5","1") = "5"
    & skf21("1","2","6","1","2","3","6","1") = "5"
    & skf21("1","2","6","1","2","3","7","1") = "6"
    & skf21("1","2","6","1","2","4","1","1") = "5"
    & skf21("1","2","6","1","2","4","2","1") = "5"
    & skf21("1","2","6","1","2","4","3","1") = "5"
    & skf21("1","2","6","1","2","4","4","1") = "5"
    & skf21("1","2","6","1","2","4","5","1") = "5"
    & skf21("1","2","6","1","2","4","6","1") = "5"
    & skf21("1","2","6","1","2","4","7","1") = "6"
    & skf21("1","2","6","1","2","5","1","1") = "5"
    & skf21("1","2","6","1","2","5","2","1") = "5"
    & skf21("1","2","6","1","2","5","3","1") = "5"
    & skf21("1","2","6","1","2","5","4","1") = "5"
    & skf21("1","2","6","1","2","5","5","1") = "5"
    & skf21("1","2","6","1","2","5","6","1") = "5"
    & skf21("1","2","6","1","2","5","7","1") = "6"
    & skf21("1","2","6","1","2","6","1","1") = "5"
    & skf21("1","2","6","1","2","6","2","1") = "5"
    & skf21("1","2","6","1","2","6","3","1") = "5"
    & skf21("1","2","6","1","2","6","4","1") = "5"
    & skf21("1","2","6","1","2","6","5","1") = "5"
    & skf21("1","2","6","1","2","6","6","1") = "5"
    & skf21("1","2","6","1","2","6","7","1") = "6"
    & skf21("1","2","6","1","2","7","1","1") = "6"
    & skf21("1","2","6","1","2","7","2","1") = "6"
    & skf21("1","2","6","1","2","7","3","1") = "6"
    & skf21("1","2","6","1","2","7","4","1") = "6"
    & skf21("1","2","6","1","2","7","5","1") = "6"
    & skf21("1","2","6","1","2","7","6","1") = "6"
    & skf21("1","2","6","1","2","7","7","1") = "6"
    & skf21("1","2","6","1","3","1","1","1") = "5"
    & skf21("1","2","6","1","3","1","2","1") = "5"
    & skf21("1","2","6","1","3","1","3","1") = "5"
    & skf21("1","2","6","1","3","1","4","1") = "5"
    & skf21("1","2","6","1","3","1","5","1") = "5"
    & skf21("1","2","6","1","3","1","6","1") = "5"
    & skf21("1","2","6","1","3","1","7","1") = "6"
    & skf21("1","2","6","1","3","2","1","1") = "5"
    & skf21("1","2","6","1","3","2","2","1") = "5"
    & skf21("1","2","6","1","3","2","3","1") = "5"
    & skf21("1","2","6","1","3","2","4","1") = "5"
    & skf21("1","2","6","1","3","2","5","1") = "5"
    & skf21("1","2","6","1","3","2","6","1") = "5"
    & skf21("1","2","6","1","3","2","7","1") = "6"
    & skf21("1","2","6","1","3","3","1","1") = "5"
    & skf21("1","2","6","1","3","3","2","1") = "5"
    & skf21("1","2","6","1","3","3","3","1") = "5"
    & skf21("1","2","6","1","3","3","4","1") = "5"
    & skf21("1","2","6","1","3","3","5","1") = "5"
    & skf21("1","2","6","1","3","3","6","1") = "5"
    & skf21("1","2","6","1","3","3","7","1") = "6"
    & skf21("1","2","6","1","3","4","1","1") = "5"
    & skf21("1","2","6","1","3","4","2","1") = "5"
    & skf21("1","2","6","1","3","4","3","1") = "5"
    & skf21("1","2","6","1","3","4","4","1") = "5"
    & skf21("1","2","6","1","3","4","5","1") = "5"
    & skf21("1","2","6","1","3","4","6","1") = "5"
    & skf21("1","2","6","1","3","4","7","1") = "6"
    & skf21("1","2","6","1","3","5","1","1") = "5"
    & skf21("1","2","6","1","3","5","2","1") = "5"
    & skf21("1","2","6","1","3","5","3","1") = "5"
    & skf21("1","2","6","1","3","5","4","1") = "5"
    & skf21("1","2","6","1","3","5","5","1") = "5"
    & skf21("1","2","6","1","3","5","6","1") = "5"
    & skf21("1","2","6","1","3","5","7","1") = "6"
    & skf21("1","2","6","1","3","6","1","1") = "5"
    & skf21("1","2","6","1","3","6","2","1") = "5"
    & skf21("1","2","6","1","3","6","3","1") = "5"
    & skf21("1","2","6","1","3","6","4","1") = "5"
    & skf21("1","2","6","1","3","6","5","1") = "5"
    & skf21("1","2","6","1","3","6","6","1") = "5"
    & skf21("1","2","6","1","3","6","7","1") = "6"
    & skf21("1","2","6","1","3","7","1","1") = "6"
    & skf21("1","2","6","1","3","7","2","1") = "6"
    & skf21("1","2","6","1","3","7","3","1") = "6"
    & skf21("1","2","6","1","3","7","4","1") = "6"
    & skf21("1","2","6","1","3","7","5","1") = "6"
    & skf21("1","2","6","1","3","7","6","1") = "6"
    & skf21("1","2","6","1","3","7","7","1") = "6"
    & skf21("1","2","6","1","4","1","1","1") = "5"
    & skf21("1","2","6","1","4","1","2","1") = "5"
    & skf21("1","2","6","1","4","1","3","1") = "5"
    & skf21("1","2","6","1","4","1","4","1") = "5"
    & skf21("1","2","6","1","4","1","5","1") = "5"
    & skf21("1","2","6","1","4","1","6","1") = "5"
    & skf21("1","2","6","1","4","1","7","1") = "6"
    & skf21("1","2","6","1","4","2","1","1") = "5"
    & skf21("1","2","6","1","4","2","2","1") = "5"
    & skf21("1","2","6","1","4","2","3","1") = "5"
    & skf21("1","2","6","1","4","2","4","1") = "5"
    & skf21("1","2","6","1","4","2","5","1") = "5"
    & skf21("1","2","6","1","4","2","6","1") = "5"
    & skf21("1","2","6","1","4","2","7","1") = "6"
    & skf21("1","2","6","1","4","3","1","1") = "5"
    & skf21("1","2","6","1","4","3","2","1") = "5"
    & skf21("1","2","6","1","4","3","3","1") = "5"
    & skf21("1","2","6","1","4","3","4","1") = "5"
    & skf21("1","2","6","1","4","3","5","1") = "5"
    & skf21("1","2","6","1","4","3","6","1") = "5"
    & skf21("1","2","6","1","4","3","7","1") = "6"
    & skf21("1","2","6","1","4","4","1","1") = "5"
    & skf21("1","2","6","1","4","4","2","1") = "5"
    & skf21("1","2","6","1","4","4","3","1") = "5"
    & skf21("1","2","6","1","4","4","4","1") = "5"
    & skf21("1","2","6","1","4","4","5","1") = "5"
    & skf21("1","2","6","1","4","4","6","1") = "5"
    & skf21("1","2","6","1","4","4","7","1") = "6"
    & skf21("1","2","6","1","4","5","1","1") = "5"
    & skf21("1","2","6","1","4","5","2","1") = "5"
    & skf21("1","2","6","1","4","5","3","1") = "5"
    & skf21("1","2","6","1","4","5","4","1") = "5"
    & skf21("1","2","6","1","4","5","5","1") = "5"
    & skf21("1","2","6","1","4","5","6","1") = "5"
    & skf21("1","2","6","1","4","5","7","1") = "6"
    & skf21("1","2","6","1","4","6","1","1") = "5"
    & skf21("1","2","6","1","4","6","2","1") = "5"
    & skf21("1","2","6","1","4","6","3","1") = "5"
    & skf21("1","2","6","1","4","6","4","1") = "5"
    & skf21("1","2","6","1","4","6","5","1") = "5"
    & skf21("1","2","6","1","4","6","6","1") = "5"
    & skf21("1","2","6","1","4","6","7","1") = "6"
    & skf21("1","2","6","1","4","7","1","1") = "6"
    & skf21("1","2","6","1","4","7","2","1") = "6"
    & skf21("1","2","6","1","4","7","3","1") = "6"
    & skf21("1","2","6","1","4","7","4","1") = "6"
    & skf21("1","2","6","1","4","7","5","1") = "6"
    & skf21("1","2","6","1","4","7","6","1") = "6"
    & skf21("1","2","6","1","4","7","7","1") = "6"
    & skf21("1","2","6","1","5","1","1","1") = "5"
    & skf21("1","2","6","1","5","1","2","1") = "5"
    & skf21("1","2","6","1","5","1","3","1") = "5"
    & skf21("1","2","6","1","5","1","4","1") = "5"
    & skf21("1","2","6","1","5","1","5","1") = "5"
    & skf21("1","2","6","1","5","1","6","1") = "5"
    & skf21("1","2","6","1","5","1","7","1") = "6"
    & skf21("1","2","6","1","5","2","1","1") = "5"
    & skf21("1","2","6","1","5","2","2","1") = "5"
    & skf21("1","2","6","1","5","2","3","1") = "5"
    & skf21("1","2","6","1","5","2","4","1") = "5"
    & skf21("1","2","6","1","5","2","5","1") = "5"
    & skf21("1","2","6","1","5","2","6","1") = "5"
    & skf21("1","2","6","1","5","2","7","1") = "6"
    & skf21("1","2","6","1","5","3","1","1") = "5"
    & skf21("1","2","6","1","5","3","2","1") = "5"
    & skf21("1","2","6","1","5","3","3","1") = "5"
    & skf21("1","2","6","1","5","3","4","1") = "5"
    & skf21("1","2","6","1","5","3","5","1") = "5"
    & skf21("1","2","6","1","5","3","6","1") = "5"
    & skf21("1","2","6","1","5","3","7","1") = "6"
    & skf21("1","2","6","1","5","4","1","1") = "5"
    & skf21("1","2","6","1","5","4","2","1") = "5"
    & skf21("1","2","6","1","5","4","3","1") = "5"
    & skf21("1","2","6","1","5","4","4","1") = "5"
    & skf21("1","2","6","1","5","4","5","1") = "5"
    & skf21("1","2","6","1","5","4","6","1") = "5"
    & skf21("1","2","6","1","5","4","7","1") = "6"
    & skf21("1","2","6","1","5","5","1","1") = "5"
    & skf21("1","2","6","1","5","5","2","1") = "5"
    & skf21("1","2","6","1","5","5","3","1") = "5"
    & skf21("1","2","6","1","5","5","4","1") = "5"
    & skf21("1","2","6","1","5","5","5","1") = "5"
    & skf21("1","2","6","1","5","5","6","1") = "5"
    & skf21("1","2","6","1","5","5","7","1") = "6"
    & skf21("1","2","6","1","5","6","1","1") = "5"
    & skf21("1","2","6","1","5","6","2","1") = "5"
    & skf21("1","2","6","1","5","6","3","1") = "5"
    & skf21("1","2","6","1","5","6","4","1") = "5"
    & skf21("1","2","6","1","5","6","5","1") = "5"
    & skf21("1","2","6","1","5","6","6","1") = "5"
    & skf21("1","2","6","1","5","6","7","1") = "6"
    & skf21("1","2","6","1","5","7","1","1") = "6"
    & skf21("1","2","6","1","5","7","2","1") = "6"
    & skf21("1","2","6","1","5","7","3","1") = "6"
    & skf21("1","2","6","1","5","7","4","1") = "6"
    & skf21("1","2","6","1","5","7","5","1") = "6"
    & skf21("1","2","6","1","5","7","6","1") = "6"
    & skf21("1","2","6","1","5","7","7","1") = "6"
    & skf21("1","2","6","1","6","1","1","1") = "5"
    & skf21("1","2","6","1","6","1","2","1") = "5"
    & skf21("1","2","6","1","6","1","3","1") = "5"
    & skf21("1","2","6","1","6","1","4","1") = "5"
    & skf21("1","2","6","1","6","1","5","1") = "5"
    & skf21("1","2","6","1","6","1","6","1") = "5"
    & skf21("1","2","6","1","6","1","7","1") = "6"
    & skf21("1","2","6","1","6","2","1","1") = "5"
    & skf21("1","2","6","1","6","2","2","1") = "5"
    & skf21("1","2","6","1","6","2","3","1") = "5"
    & skf21("1","2","6","1","6","2","4","1") = "5"
    & skf21("1","2","6","1","6","2","5","1") = "5"
    & skf21("1","2","6","1","6","2","6","1") = "5"
    & skf21("1","2","6","1","6","2","7","1") = "6"
    & skf21("1","2","6","1","6","3","1","1") = "5"
    & skf21("1","2","6","1","6","3","2","1") = "5"
    & skf21("1","2","6","1","6","3","3","1") = "5"
    & skf21("1","2","6","1","6","3","4","1") = "5"
    & skf21("1","2","6","1","6","3","5","1") = "5"
    & skf21("1","2","6","1","6","3","6","1") = "5"
    & skf21("1","2","6","1","6","3","7","1") = "6"
    & skf21("1","2","6","1","6","4","1","1") = "5"
    & skf21("1","2","6","1","6","4","2","1") = "5"
    & skf21("1","2","6","1","6","4","3","1") = "5"
    & skf21("1","2","6","1","6","4","4","1") = "5"
    & skf21("1","2","6","1","6","4","5","1") = "5"
    & skf21("1","2","6","1","6","4","6","1") = "5"
    & skf21("1","2","6","1","6","4","7","1") = "6"
    & skf21("1","2","6","1","6","5","1","1") = "5"
    & skf21("1","2","6","1","6","5","2","1") = "5"
    & skf21("1","2","6","1","6","5","3","1") = "5"
    & skf21("1","2","6","1","6","5","4","1") = "5"
    & skf21("1","2","6","1","6","5","5","1") = "5"
    & skf21("1","2","6","1","6","5","6","1") = "5"
    & skf21("1","2","6","1","6","5","7","1") = "6"
    & skf21("1","2","6","1","6","6","1","1") = "5"
    & skf21("1","2","6","1","6","6","2","1") = "5"
    & skf21("1","2","6","1","6","6","3","1") = "5"
    & skf21("1","2","6","1","6","6","4","1") = "5"
    & skf21("1","2","6","1","6","6","5","1") = "5"
    & skf21("1","2","6","1","6","6","6","1") = "5"
    & skf21("1","2","6","1","6","6","7","1") = "6"
    & skf21("1","2","6","1","6","7","1","1") = "6"
    & skf21("1","2","6","1","6","7","2","1") = "6"
    & skf21("1","2","6","1","6","7","3","1") = "6"
    & skf21("1","2","6","1","6","7","4","1") = "6"
    & skf21("1","2","6","1","6","7","5","1") = "6"
    & skf21("1","2","6","1","6","7","6","1") = "6"
    & skf21("1","2","6","1","6","7","7","1") = "6"
    & skf21("1","2","6","1","7","1","1","1") = "6"
    & skf21("1","2","6","1","7","1","2","1") = "6"
    & skf21("1","2","6","1","7","1","3","1") = "6"
    & skf21("1","2","6","1","7","1","4","1") = "6"
    & skf21("1","2","6","1","7","1","5","1") = "6"
    & skf21("1","2","6","1","7","1","6","1") = "6"
    & skf21("1","2","6","1","7","1","7","1") = "6"
    & skf21("1","2","6","1","7","2","1","1") = "6"
    & skf21("1","2","6","1","7","2","2","1") = "6"
    & skf21("1","2","6","1","7","2","3","1") = "6"
    & skf21("1","2","6","1","7","2","4","1") = "6"
    & skf21("1","2","6","1","7","2","5","1") = "6"
    & skf21("1","2","6","1","7","2","6","1") = "6"
    & skf21("1","2","6","1","7","2","7","1") = "6"
    & skf21("1","2","6","1","7","3","1","1") = "6"
    & skf21("1","2","6","1","7","3","2","1") = "6"
    & skf21("1","2","6","1","7","3","3","1") = "6"
    & skf21("1","2","6","1","7","3","4","1") = "6"
    & skf21("1","2","6","1","7","3","5","1") = "6"
    & skf21("1","2","6","1","7","3","6","1") = "6"
    & skf21("1","2","6","1","7","3","7","1") = "6"
    & skf21("1","2","6","1","7","4","1","1") = "6"
    & skf21("1","2","6","1","7","4","2","1") = "6"
    & skf21("1","2","6","1","7","4","3","1") = "6"
    & skf21("1","2","6","1","7","4","4","1") = "6"
    & skf21("1","2","6","1","7","4","5","1") = "6"
    & skf21("1","2","6","1","7","4","6","1") = "6"
    & skf21("1","2","6","1","7","4","7","1") = "6"
    & skf21("1","2","6","1","7","5","1","1") = "6"
    & skf21("1","2","6","1","7","5","2","1") = "6"
    & skf21("1","2","6","1","7","5","3","1") = "6"
    & skf21("1","2","6","1","7","5","4","1") = "6"
    & skf21("1","2","6","1","7","5","5","1") = "6"
    & skf21("1","2","6","1","7","5","6","1") = "6"
    & skf21("1","2","6","1","7","5","7","1") = "6"
    & skf21("1","2","6","1","7","6","1","1") = "6"
    & skf21("1","2","6","1","7","6","2","1") = "6"
    & skf21("1","2","6","1","7","6","3","1") = "6"
    & skf21("1","2","6","1","7","6","4","1") = "6"
    & skf21("1","2","6","1","7","6","5","1") = "6"
    & skf21("1","2","6","1","7","6","6","1") = "6"
    & skf21("1","2","6","1","7","6","7","1") = "6"
    & skf21("1","2","6","1","7","7","1","1") = "6"
    & skf21("1","2","6","1","7","7","2","1") = "6"
    & skf21("1","2","6","1","7","7","3","1") = "6"
    & skf21("1","2","6","1","7","7","4","1") = "6"
    & skf21("1","2","6","1","7","7","5","1") = "6"
    & skf21("1","2","6","1","7","7","6","1") = "6"
    & skf21("1","2","6","1","7","7","7","1") = "6"
    & skf21("1","2","6","2","1","1","1","1") = "5"
    & skf21("1","2","6","2","1","1","2","1") = "5"
    & skf21("1","2","6","2","1","1","3","1") = "5"
    & skf21("1","2","6","2","1","1","4","1") = "5"
    & skf21("1","2","6","2","1","1","5","1") = "5"
    & skf21("1","2","6","2","1","1","6","1") = "5"
    & skf21("1","2","6","2","1","1","7","1") = "6"
    & skf21("1","2","6","2","1","2","1","1") = "5"
    & skf21("1","2","6","2","1","2","2","1") = "5"
    & skf21("1","2","6","2","1","2","3","1") = "5"
    & skf21("1","2","6","2","1","2","4","1") = "5"
    & skf21("1","2","6","2","1","2","5","1") = "5"
    & skf21("1","2","6","2","1","2","6","1") = "5"
    & skf21("1","2","6","2","1","2","7","1") = "6"
    & skf21("1","2","6","2","1","3","1","1") = "5"
    & skf21("1","2","6","2","1","3","2","1") = "5"
    & skf21("1","2","6","2","1","3","3","1") = "5"
    & skf21("1","2","6","2","1","3","4","1") = "5"
    & skf21("1","2","6","2","1","3","5","1") = "5"
    & skf21("1","2","6","2","1","3","6","1") = "5"
    & skf21("1","2","6","2","1","3","7","1") = "6"
    & skf21("1","2","6","2","1","4","1","1") = "5"
    & skf21("1","2","6","2","1","4","2","1") = "5"
    & skf21("1","2","6","2","1","4","3","1") = "5"
    & skf21("1","2","6","2","1","4","4","1") = "5"
    & skf21("1","2","6","2","1","4","5","1") = "5"
    & skf21("1","2","6","2","1","4","6","1") = "5"
    & skf21("1","2","6","2","1","4","7","1") = "6"
    & skf21("1","2","6","2","1","5","1","1") = "5"
    & skf21("1","2","6","2","1","5","2","1") = "5"
    & skf21("1","2","6","2","1","5","3","1") = "5"
    & skf21("1","2","6","2","1","5","4","1") = "5"
    & skf21("1","2","6","2","1","5","5","1") = "5"
    & skf21("1","2","6","2","1","5","6","1") = "5"
    & skf21("1","2","6","2","1","5","7","1") = "6"
    & skf21("1","2","6","2","1","6","1","1") = "5"
    & skf21("1","2","6","2","1","6","2","1") = "5"
    & skf21("1","2","6","2","1","6","3","1") = "5"
    & skf21("1","2","6","2","1","6","4","1") = "5"
    & skf21("1","2","6","2","1","6","5","1") = "5"
    & skf21("1","2","6","2","1","6","6","1") = "5"
    & skf21("1","2","6","2","1","6","7","1") = "6"
    & skf21("1","2","6","2","1","7","1","1") = "6"
    & skf21("1","2","6","2","1","7","2","1") = "6"
    & skf21("1","2","6","2","1","7","3","1") = "6"
    & skf21("1","2","6","2","1","7","4","1") = "6"
    & skf21("1","2","6","2","1","7","5","1") = "6"
    & skf21("1","2","6","2","1","7","6","1") = "6"
    & skf21("1","2","6","2","1","7","7","1") = "6"
    & skf21("1","2","6","2","2","1","1","1") = "5"
    & skf21("1","2","6","2","2","1","2","1") = "5"
    & skf21("1","2","6","2","2","1","3","1") = "5"
    & skf21("1","2","6","2","2","1","4","1") = "5"
    & skf21("1","2","6","2","2","1","5","1") = "5"
    & skf21("1","2","6","2","2","1","6","1") = "5"
    & skf21("1","2","6","2","2","1","7","1") = "6"
    & skf21("1","2","6","2","2","2","1","1") = "5"
    & skf21("1","2","6","2","2","2","2","1") = "5"
    & skf21("1","2","6","2","2","2","3","1") = "5"
    & skf21("1","2","6","2","2","2","4","1") = "5"
    & skf21("1","2","6","2","2","2","5","1") = "5"
    & skf21("1","2","6","2","2","2","6","1") = "5"
    & skf21("1","2","6","2","2","2","7","1") = "6"
    & skf21("1","2","6","2","2","3","1","1") = "5"
    & skf21("1","2","6","2","2","3","2","1") = "5"
    & skf21("1","2","6","2","2","3","3","1") = "5"
    & skf21("1","2","6","2","2","3","4","1") = "5"
    & skf21("1","2","6","2","2","3","5","1") = "5"
    & skf21("1","2","6","2","2","3","6","1") = "5"
    & skf21("1","2","6","2","2","3","7","1") = "6"
    & skf21("1","2","6","2","2","4","1","1") = "5"
    & skf21("1","2","6","2","2","4","2","1") = "5"
    & skf21("1","2","6","2","2","4","3","1") = "5"
    & skf21("1","2","6","2","2","4","4","1") = "5"
    & skf21("1","2","6","2","2","4","5","1") = "5"
    & skf21("1","2","6","2","2","4","6","1") = "5"
    & skf21("1","2","6","2","2","4","7","1") = "6"
    & skf21("1","2","6","2","2","5","1","1") = "5"
    & skf21("1","2","6","2","2","5","2","1") = "5"
    & skf21("1","2","6","2","2","5","3","1") = "5"
    & skf21("1","2","6","2","2","5","4","1") = "5"
    & skf21("1","2","6","2","2","5","5","1") = "5"
    & skf21("1","2","6","2","2","5","6","1") = "5"
    & skf21("1","2","6","2","2","5","7","1") = "6"
    & skf21("1","2","6","2","2","6","1","1") = "5"
    & skf21("1","2","6","2","2","6","2","1") = "5"
    & skf21("1","2","6","2","2","6","3","1") = "5"
    & skf21("1","2","6","2","2","6","4","1") = "5"
    & skf21("1","2","6","2","2","6","5","1") = "5"
    & skf21("1","2","6","2","2","6","6","1") = "5"
    & skf21("1","2","6","2","2","6","7","1") = "6"
    & skf21("1","2","6","2","2","7","1","1") = "6"
    & skf21("1","2","6","2","2","7","2","1") = "6"
    & skf21("1","2","6","2","2","7","3","1") = "6"
    & skf21("1","2","6","2","2","7","4","1") = "6"
    & skf21("1","2","6","2","2","7","5","1") = "6"
    & skf21("1","2","6","2","2","7","6","1") = "6"
    & skf21("1","2","6","2","2","7","7","1") = "6"
    & skf21("1","2","6","2","3","1","1","1") = "5"
    & skf21("1","2","6","2","3","1","2","1") = "5"
    & skf21("1","2","6","2","3","1","3","1") = "5"
    & skf21("1","2","6","2","3","1","4","1") = "5"
    & skf21("1","2","6","2","3","1","5","1") = "5"
    & skf21("1","2","6","2","3","1","6","1") = "5"
    & skf21("1","2","6","2","3","1","7","1") = "6"
    & skf21("1","2","6","2","3","2","1","1") = "5"
    & skf21("1","2","6","2","3","2","2","1") = "5"
    & skf21("1","2","6","2","3","2","3","1") = "5"
    & skf21("1","2","6","2","3","2","4","1") = "5"
    & skf21("1","2","6","2","3","2","5","1") = "5"
    & skf21("1","2","6","2","3","2","6","1") = "5"
    & skf21("1","2","6","2","3","2","7","1") = "6"
    & skf21("1","2","6","2","3","3","1","1") = "5"
    & skf21("1","2","6","2","3","3","2","1") = "5"
    & skf21("1","2","6","2","3","3","3","1") = "5"
    & skf21("1","2","6","2","3","3","4","1") = "5"
    & skf21("1","2","6","2","3","3","5","1") = "5"
    & skf21("1","2","6","2","3","3","6","1") = "5"
    & skf21("1","2","6","2","3","3","7","1") = "6"
    & skf21("1","2","6","2","3","4","1","1") = "5"
    & skf21("1","2","6","2","3","4","2","1") = "5"
    & skf21("1","2","6","2","3","4","3","1") = "5"
    & skf21("1","2","6","2","3","4","4","1") = "5"
    & skf21("1","2","6","2","3","4","5","1") = "5"
    & skf21("1","2","6","2","3","4","6","1") = "5"
    & skf21("1","2","6","2","3","4","7","1") = "6"
    & skf21("1","2","6","2","3","5","1","1") = "5"
    & skf21("1","2","6","2","3","5","2","1") = "5"
    & skf21("1","2","6","2","3","5","3","1") = "5"
    & skf21("1","2","6","2","3","5","4","1") = "5"
    & skf21("1","2","6","2","3","5","5","1") = "5"
    & skf21("1","2","6","2","3","5","6","1") = "5"
    & skf21("1","2","6","2","3","5","7","1") = "6"
    & skf21("1","2","6","2","3","6","1","1") = "5"
    & skf21("1","2","6","2","3","6","2","1") = "5"
    & skf21("1","2","6","2","3","6","3","1") = "5"
    & skf21("1","2","6","2","3","6","4","1") = "5"
    & skf21("1","2","6","2","3","6","5","1") = "5"
    & skf21("1","2","6","2","3","6","6","1") = "5"
    & skf21("1","2","6","2","3","6","7","1") = "6"
    & skf21("1","2","6","2","3","7","1","1") = "6"
    & skf21("1","2","6","2","3","7","2","1") = "6"
    & skf21("1","2","6","2","3","7","3","1") = "6"
    & skf21("1","2","6","2","3","7","4","1") = "6"
    & skf21("1","2","6","2","3","7","5","1") = "6"
    & skf21("1","2","6","2","3","7","6","1") = "6"
    & skf21("1","2","6","2","3","7","7","1") = "6"
    & skf21("1","2","6","2","4","1","1","1") = "5"
    & skf21("1","2","6","2","4","1","2","1") = "5"
    & skf21("1","2","6","2","4","1","3","1") = "5"
    & skf21("1","2","6","2","4","1","4","1") = "5"
    & skf21("1","2","6","2","4","1","5","1") = "5"
    & skf21("1","2","6","2","4","1","6","1") = "5"
    & skf21("1","2","6","2","4","1","7","1") = "6"
    & skf21("1","2","6","2","4","2","1","1") = "5"
    & skf21("1","2","6","2","4","2","2","1") = "5"
    & skf21("1","2","6","2","4","2","3","1") = "5"
    & skf21("1","2","6","2","4","2","4","1") = "5"
    & skf21("1","2","6","2","4","2","5","1") = "5"
    & skf21("1","2","6","2","4","2","6","1") = "5"
    & skf21("1","2","6","2","4","2","7","1") = "6"
    & skf21("1","2","6","2","4","3","1","1") = "5"
    & skf21("1","2","6","2","4","3","2","1") = "5"
    & skf21("1","2","6","2","4","3","3","1") = "5"
    & skf21("1","2","6","2","4","3","4","1") = "5"
    & skf21("1","2","6","2","4","3","5","1") = "5"
    & skf21("1","2","6","2","4","3","6","1") = "5"
    & skf21("1","2","6","2","4","3","7","1") = "6"
    & skf21("1","2","6","2","4","4","1","1") = "5"
    & skf21("1","2","6","2","4","4","2","1") = "5"
    & skf21("1","2","6","2","4","4","3","1") = "5"
    & skf21("1","2","6","2","4","4","4","1") = "5"
    & skf21("1","2","6","2","4","4","5","1") = "5"
    & skf21("1","2","6","2","4","4","6","1") = "5"
    & skf21("1","2","6","2","4","4","7","1") = "6"
    & skf21("1","2","6","2","4","5","1","1") = "5"
    & skf21("1","2","6","2","4","5","2","1") = "5"
    & skf21("1","2","6","2","4","5","3","1") = "5"
    & skf21("1","2","6","2","4","5","4","1") = "5"
    & skf21("1","2","6","2","4","5","5","1") = "5"
    & skf21("1","2","6","2","4","5","6","1") = "5"
    & skf21("1","2","6","2","4","5","7","1") = "6"
    & skf21("1","2","6","2","4","6","1","1") = "5"
    & skf21("1","2","6","2","4","6","2","1") = "5"
    & skf21("1","2","6","2","4","6","3","1") = "5"
    & skf21("1","2","6","2","4","6","4","1") = "5"
    & skf21("1","2","6","2","4","6","5","1") = "5"
    & skf21("1","2","6","2","4","6","6","1") = "5"
    & skf21("1","2","6","2","4","6","7","1") = "6"
    & skf21("1","2","6","2","4","7","1","1") = "6"
    & skf21("1","2","6","2","4","7","2","1") = "6"
    & skf21("1","2","6","2","4","7","3","1") = "6"
    & skf21("1","2","6","2","4","7","4","1") = "6"
    & skf21("1","2","6","2","4","7","5","1") = "6"
    & skf21("1","2","6","2","4","7","6","1") = "6"
    & skf21("1","2","6","2","4","7","7","1") = "6"
    & skf21("1","2","6","2","5","1","1","1") = "5"
    & skf21("1","2","6","2","5","1","2","1") = "5"
    & skf21("1","2","6","2","5","1","3","1") = "5"
    & skf21("1","2","6","2","5","1","4","1") = "5"
    & skf21("1","2","6","2","5","1","5","1") = "5"
    & skf21("1","2","6","2","5","1","6","1") = "5"
    & skf21("1","2","6","2","5","1","7","1") = "6"
    & skf21("1","2","6","2","5","2","1","1") = "5"
    & skf21("1","2","6","2","5","2","2","1") = "5"
    & skf21("1","2","6","2","5","2","3","1") = "5"
    & skf21("1","2","6","2","5","2","4","1") = "5"
    & skf21("1","2","6","2","5","2","5","1") = "5"
    & skf21("1","2","6","2","5","2","6","1") = "5"
    & skf21("1","2","6","2","5","2","7","1") = "6"
    & skf21("1","2","6","2","5","3","1","1") = "5"
    & skf21("1","2","6","2","5","3","2","1") = "5"
    & skf21("1","2","6","2","5","3","3","1") = "5"
    & skf21("1","2","6","2","5","3","4","1") = "5"
    & skf21("1","2","6","2","5","3","5","1") = "5"
    & skf21("1","2","6","2","5","3","6","1") = "5"
    & skf21("1","2","6","2","5","3","7","1") = "6"
    & skf21("1","2","6","2","5","4","1","1") = "5"
    & skf21("1","2","6","2","5","4","2","1") = "5"
    & skf21("1","2","6","2","5","4","3","1") = "5"
    & skf21("1","2","6","2","5","4","4","1") = "5"
    & skf21("1","2","6","2","5","4","5","1") = "5"
    & skf21("1","2","6","2","5","4","6","1") = "5"
    & skf21("1","2","6","2","5","4","7","1") = "6"
    & skf21("1","2","6","2","5","5","1","1") = "5"
    & skf21("1","2","6","2","5","5","2","1") = "5"
    & skf21("1","2","6","2","5","5","3","1") = "5"
    & skf21("1","2","6","2","5","5","4","1") = "5"
    & skf21("1","2","6","2","5","5","5","1") = "5"
    & skf21("1","2","6","2","5","5","6","1") = "5"
    & skf21("1","2","6","2","5","5","7","1") = "6"
    & skf21("1","2","6","2","5","6","1","1") = "5"
    & skf21("1","2","6","2","5","6","2","1") = "5"
    & skf21("1","2","6","2","5","6","3","1") = "5"
    & skf21("1","2","6","2","5","6","4","1") = "5"
    & skf21("1","2","6","2","5","6","5","1") = "5"
    & skf21("1","2","6","2","5","6","6","1") = "5"
    & skf21("1","2","6","2","5","6","7","1") = "6"
    & skf21("1","2","6","2","5","7","1","1") = "6"
    & skf21("1","2","6","2","5","7","2","1") = "6"
    & skf21("1","2","6","2","5","7","3","1") = "6"
    & skf21("1","2","6","2","5","7","4","1") = "6"
    & skf21("1","2","6","2","5","7","5","1") = "6"
    & skf21("1","2","6","2","5","7","6","1") = "6"
    & skf21("1","2","6","2","5","7","7","1") = "6"
    & skf21("1","2","6","2","6","1","1","1") = "5"
    & skf21("1","2","6","2","6","1","2","1") = "5"
    & skf21("1","2","6","2","6","1","3","1") = "5"
    & skf21("1","2","6","2","6","1","4","1") = "5"
    & skf21("1","2","6","2","6","1","5","1") = "5"
    & skf21("1","2","6","2","6","1","6","1") = "5"
    & skf21("1","2","6","2","6","1","7","1") = "6"
    & skf21("1","2","6","2","6","2","1","1") = "5"
    & skf21("1","2","6","2","6","2","2","1") = "5"
    & skf21("1","2","6","2","6","2","3","1") = "5"
    & skf21("1","2","6","2","6","2","4","1") = "5"
    & skf21("1","2","6","2","6","2","5","1") = "5"
    & skf21("1","2","6","2","6","2","6","1") = "5"
    & skf21("1","2","6","2","6","2","7","1") = "6"
    & skf21("1","2","6","2","6","3","1","1") = "5"
    & skf21("1","2","6","2","6","3","2","1") = "5"
    & skf21("1","2","6","2","6","3","3","1") = "5"
    & skf21("1","2","6","2","6","3","4","1") = "5"
    & skf21("1","2","6","2","6","3","5","1") = "5"
    & skf21("1","2","6","2","6","3","6","1") = "5"
    & skf21("1","2","6","2","6","3","7","1") = "6"
    & skf21("1","2","6","2","6","4","1","1") = "5"
    & skf21("1","2","6","2","6","4","2","1") = "5"
    & skf21("1","2","6","2","6","4","3","1") = "5"
    & skf21("1","2","6","2","6","4","4","1") = "5"
    & skf21("1","2","6","2","6","4","5","1") = "5"
    & skf21("1","2","6","2","6","4","6","1") = "5"
    & skf21("1","2","6","2","6","4","7","1") = "6"
    & skf21("1","2","6","2","6","5","1","1") = "5"
    & skf21("1","2","6","2","6","5","2","1") = "5"
    & skf21("1","2","6","2","6","5","3","1") = "5"
    & skf21("1","2","6","2","6","5","4","1") = "5"
    & skf21("1","2","6","2","6","5","5","1") = "5"
    & skf21("1","2","6","2","6","5","6","1") = "5"
    & skf21("1","2","6","2","6","5","7","1") = "6"
    & skf21("1","2","6","2","6","6","1","1") = "5"
    & skf21("1","2","6","2","6","6","2","1") = "5"
    & skf21("1","2","6","2","6","6","3","1") = "5"
    & skf21("1","2","6","2","6","6","4","1") = "5"
    & skf21("1","2","6","2","6","6","5","1") = "5"
    & skf21("1","2","6","2","6","6","6","1") = "5"
    & skf21("1","2","6","2","6","6","7","1") = "6"
    & skf21("1","2","6","2","6","7","1","1") = "6"
    & skf21("1","2","6","2","6","7","2","1") = "6"
    & skf21("1","2","6","2","6","7","3","1") = "6"
    & skf21("1","2","6","2","6","7","4","1") = "6"
    & skf21("1","2","6","2","6","7","5","1") = "6"
    & skf21("1","2","6","2","6","7","6","1") = "6"
    & skf21("1","2","6","2","6","7","7","1") = "6"
    & skf21("1","2","6","2","7","1","1","1") = "6"
    & skf21("1","2","6","2","7","1","2","1") = "6"
    & skf21("1","2","6","2","7","1","3","1") = "6"
    & skf21("1","2","6","2","7","1","4","1") = "6"
    & skf21("1","2","6","2","7","1","5","1") = "6"
    & skf21("1","2","6","2","7","1","6","1") = "6"
    & skf21("1","2","6","2","7","1","7","1") = "6"
    & skf21("1","2","6","2","7","2","1","1") = "6"
    & skf21("1","2","6","2","7","2","2","1") = "6"
    & skf21("1","2","6","2","7","2","3","1") = "6"
    & skf21("1","2","6","2","7","2","4","1") = "6"
    & skf21("1","2","6","2","7","2","5","1") = "6"
    & skf21("1","2","6","2","7","2","6","1") = "6"
    & skf21("1","2","6","2","7","2","7","1") = "6"
    & skf21("1","2","6","2","7","3","1","1") = "6"
    & skf21("1","2","6","2","7","3","2","1") = "6"
    & skf21("1","2","6","2","7","3","3","1") = "6"
    & skf21("1","2","6","2","7","3","4","1") = "6"
    & skf21("1","2","6","2","7","3","5","1") = "6"
    & skf21("1","2","6","2","7","3","6","1") = "6"
    & skf21("1","2","6","2","7","3","7","1") = "6"
    & skf21("1","2","6","2","7","4","1","1") = "6"
    & skf21("1","2","6","2","7","4","2","1") = "6"
    & skf21("1","2","6","2","7","4","3","1") = "6"
    & skf21("1","2","6","2","7","4","4","1") = "6"
    & skf21("1","2","6","2","7","4","5","1") = "6"
    & skf21("1","2","6","2","7","4","6","1") = "6"
    & skf21("1","2","6","2","7","4","7","1") = "6"
    & skf21("1","2","6","2","7","5","1","1") = "6"
    & skf21("1","2","6","2","7","5","2","1") = "6"
    & skf21("1","2","6","2","7","5","3","1") = "6"
    & skf21("1","2","6","2","7","5","4","1") = "6"
    & skf21("1","2","6","2","7","5","5","1") = "6"
    & skf21("1","2","6","2","7","5","6","1") = "6"
    & skf21("1","2","6","2","7","5","7","1") = "6"
    & skf21("1","2","6","2","7","6","1","1") = "6"
    & skf21("1","2","6","2","7","6","2","1") = "6"
    & skf21("1","2","6","2","7","6","3","1") = "6"
    & skf21("1","2","6","2","7","6","4","1") = "6"
    & skf21("1","2","6","2","7","6","5","1") = "6"
    & skf21("1","2","6","2","7","6","6","1") = "6"
    & skf21("1","2","6","2","7","6","7","1") = "6"
    & skf21("1","2","6","2","7","7","1","1") = "6"
    & skf21("1","2","6","2","7","7","2","1") = "6"
    & skf21("1","2","6","2","7","7","3","1") = "6"
    & skf21("1","2","6","2","7","7","4","1") = "6"
    & skf21("1","2","6","2","7","7","5","1") = "6"
    & skf21("1","2","6","2","7","7","6","1") = "6"
    & skf21("1","2","6","2","7","7","7","1") = "6"
    & skf21("1","2","6","3","1","1","1","1") = "5"
    & skf21("1","2","6","3","1","1","2","1") = "5"
    & skf21("1","2","6","3","1","1","3","1") = "5"
    & skf21("1","2","6","3","1","1","4","1") = "5"
    & skf21("1","2","6","3","1","1","5","1") = "5"
    & skf21("1","2","6","3","1","1","6","1") = "5"
    & skf21("1","2","6","3","1","1","7","1") = "6"
    & skf21("1","2","6","3","1","2","1","1") = "5"
    & skf21("1","2","6","3","1","2","2","1") = "5"
    & skf21("1","2","6","3","1","2","3","1") = "5"
    & skf21("1","2","6","3","1","2","4","1") = "5"
    & skf21("1","2","6","3","1","2","5","1") = "5"
    & skf21("1","2","6","3","1","2","6","1") = "5"
    & skf21("1","2","6","3","1","2","7","1") = "6"
    & skf21("1","2","6","3","1","3","1","1") = "5"
    & skf21("1","2","6","3","1","3","2","1") = "5"
    & skf21("1","2","6","3","1","3","3","1") = "5"
    & skf21("1","2","6","3","1","3","4","1") = "5"
    & skf21("1","2","6","3","1","3","5","1") = "5"
    & skf21("1","2","6","3","1","3","6","1") = "5"
    & skf21("1","2","6","3","1","3","7","1") = "6"
    & skf21("1","2","6","3","1","4","1","1") = "5"
    & skf21("1","2","6","3","1","4","2","1") = "5"
    & skf21("1","2","6","3","1","4","3","1") = "5"
    & skf21("1","2","6","3","1","4","4","1") = "5"
    & skf21("1","2","6","3","1","4","5","1") = "5"
    & skf21("1","2","6","3","1","4","6","1") = "5"
    & skf21("1","2","6","3","1","4","7","1") = "6"
    & skf21("1","2","6","3","1","5","1","1") = "5"
    & skf21("1","2","6","3","1","5","2","1") = "5"
    & skf21("1","2","6","3","1","5","3","1") = "5"
    & skf21("1","2","6","3","1","5","4","1") = "5"
    & skf21("1","2","6","3","1","5","5","1") = "5"
    & skf21("1","2","6","3","1","5","6","1") = "5"
    & skf21("1","2","6","3","1","5","7","1") = "6"
    & skf21("1","2","6","3","1","6","1","1") = "5"
    & skf21("1","2","6","3","1","6","2","1") = "5"
    & skf21("1","2","6","3","1","6","3","1") = "5"
    & skf21("1","2","6","3","1","6","4","1") = "5"
    & skf21("1","2","6","3","1","6","5","1") = "5"
    & skf21("1","2","6","3","1","6","6","1") = "5"
    & skf21("1","2","6","3","1","6","7","1") = "6"
    & skf21("1","2","6","3","1","7","1","1") = "6"
    & skf21("1","2","6","3","1","7","2","1") = "6"
    & skf21("1","2","6","3","1","7","3","1") = "6"
    & skf21("1","2","6","3","1","7","4","1") = "6"
    & skf21("1","2","6","3","1","7","5","1") = "6"
    & skf21("1","2","6","3","1","7","6","1") = "6"
    & skf21("1","2","6","3","1","7","7","1") = "6"
    & skf21("1","2","6","3","2","1","1","1") = "5"
    & skf21("1","2","6","3","2","1","2","1") = "5"
    & skf21("1","2","6","3","2","1","3","1") = "5"
    & skf21("1","2","6","3","2","1","4","1") = "5"
    & skf21("1","2","6","3","2","1","5","1") = "5"
    & skf21("1","2","6","3","2","1","6","1") = "5"
    & skf21("1","2","6","3","2","1","7","1") = "6"
    & skf21("1","2","6","3","2","2","1","1") = "5"
    & skf21("1","2","6","3","2","2","2","1") = "5"
    & skf21("1","2","6","3","2","2","3","1") = "5"
    & skf21("1","2","6","3","2","2","4","1") = "5"
    & skf21("1","2","6","3","2","2","5","1") = "5"
    & skf21("1","2","6","3","2","2","6","1") = "5"
    & skf21("1","2","6","3","2","2","7","1") = "6"
    & skf21("1","2","6","3","2","3","1","1") = "5"
    & skf21("1","2","6","3","2","3","2","1") = "5"
    & skf21("1","2","6","3","2","3","3","1") = "5"
    & skf21("1","2","6","3","2","3","4","1") = "5"
    & skf21("1","2","6","3","2","3","5","1") = "5"
    & skf21("1","2","6","3","2","3","6","1") = "5"
    & skf21("1","2","6","3","2","3","7","1") = "6"
    & skf21("1","2","6","3","2","4","1","1") = "5"
    & skf21("1","2","6","3","2","4","2","1") = "5"
    & skf21("1","2","6","3","2","4","3","1") = "5"
    & skf21("1","2","6","3","2","4","4","1") = "5"
    & skf21("1","2","6","3","2","4","5","1") = "5"
    & skf21("1","2","6","3","2","4","6","1") = "5"
    & skf21("1","2","6","3","2","4","7","1") = "6"
    & skf21("1","2","6","3","2","5","1","1") = "5"
    & skf21("1","2","6","3","2","5","2","1") = "5"
    & skf21("1","2","6","3","2","5","3","1") = "5"
    & skf21("1","2","6","3","2","5","4","1") = "5"
    & skf21("1","2","6","3","2","5","5","1") = "5"
    & skf21("1","2","6","3","2","5","6","1") = "5"
    & skf21("1","2","6","3","2","5","7","1") = "6"
    & skf21("1","2","6","3","2","6","1","1") = "5"
    & skf21("1","2","6","3","2","6","2","1") = "5"
    & skf21("1","2","6","3","2","6","3","1") = "5"
    & skf21("1","2","6","3","2","6","4","1") = "5"
    & skf21("1","2","6","3","2","6","5","1") = "5"
    & skf21("1","2","6","3","2","6","6","1") = "5"
    & skf21("1","2","6","3","2","6","7","1") = "6"
    & skf21("1","2","6","3","2","7","1","1") = "6"
    & skf21("1","2","6","3","2","7","2","1") = "6"
    & skf21("1","2","6","3","2","7","3","1") = "6"
    & skf21("1","2","6","3","2","7","4","1") = "6"
    & skf21("1","2","6","3","2","7","5","1") = "6"
    & skf21("1","2","6","3","2","7","6","1") = "6"
    & skf21("1","2","6","3","2","7","7","1") = "6"
    & skf21("1","2","6","3","3","1","1","1") = "5"
    & skf21("1","2","6","3","3","1","2","1") = "5"
    & skf21("1","2","6","3","3","1","3","1") = "5"
    & skf21("1","2","6","3","3","1","4","1") = "5"
    & skf21("1","2","6","3","3","1","5","1") = "5"
    & skf21("1","2","6","3","3","1","6","1") = "5"
    & skf21("1","2","6","3","3","1","7","1") = "6"
    & skf21("1","2","6","3","3","2","1","1") = "5"
    & skf21("1","2","6","3","3","2","2","1") = "5"
    & skf21("1","2","6","3","3","2","3","1") = "5"
    & skf21("1","2","6","3","3","2","4","1") = "5"
    & skf21("1","2","6","3","3","2","5","1") = "5"
    & skf21("1","2","6","3","3","2","6","1") = "5"
    & skf21("1","2","6","3","3","2","7","1") = "6"
    & skf21("1","2","6","3","3","3","1","1") = "5"
    & skf21("1","2","6","3","3","3","2","1") = "5"
    & skf21("1","2","6","3","3","3","3","1") = "5"
    & skf21("1","2","6","3","3","3","4","1") = "5"
    & skf21("1","2","6","3","3","3","5","1") = "5"
    & skf21("1","2","6","3","3","3","6","1") = "5"
    & skf21("1","2","6","3","3","3","7","1") = "6"
    & skf21("1","2","6","3","3","4","1","1") = "5"
    & skf21("1","2","6","3","3","4","2","1") = "5"
    & skf21("1","2","6","3","3","4","3","1") = "5"
    & skf21("1","2","6","3","3","4","4","1") = "5"
    & skf21("1","2","6","3","3","4","5","1") = "5"
    & skf21("1","2","6","3","3","4","6","1") = "5"
    & skf21("1","2","6","3","3","4","7","1") = "6"
    & skf21("1","2","6","3","3","5","1","1") = "5"
    & skf21("1","2","6","3","3","5","2","1") = "5"
    & skf21("1","2","6","3","3","5","3","1") = "5"
    & skf21("1","2","6","3","3","5","4","1") = "5"
    & skf21("1","2","6","3","3","5","5","1") = "5"
    & skf21("1","2","6","3","3","5","6","1") = "5"
    & skf21("1","2","6","3","3","5","7","1") = "6"
    & skf21("1","2","6","3","3","6","1","1") = "5"
    & skf21("1","2","6","3","3","6","2","1") = "5"
    & skf21("1","2","6","3","3","6","3","1") = "5"
    & skf21("1","2","6","3","3","6","4","1") = "5"
    & skf21("1","2","6","3","3","6","5","1") = "5"
    & skf21("1","2","6","3","3","6","6","1") = "5"
    & skf21("1","2","6","3","3","6","7","1") = "6"
    & skf21("1","2","6","3","3","7","1","1") = "6"
    & skf21("1","2","6","3","3","7","2","1") = "6"
    & skf21("1","2","6","3","3","7","3","1") = "6"
    & skf21("1","2","6","3","3","7","4","1") = "6"
    & skf21("1","2","6","3","3","7","5","1") = "6"
    & skf21("1","2","6","3","3","7","6","1") = "6"
    & skf21("1","2","6","3","3","7","7","1") = "6"
    & skf21("1","2","6","3","4","1","1","1") = "5"
    & skf21("1","2","6","3","4","1","2","1") = "5"
    & skf21("1","2","6","3","4","1","3","1") = "5"
    & skf21("1","2","6","3","4","1","4","1") = "5"
    & skf21("1","2","6","3","4","1","5","1") = "5"
    & skf21("1","2","6","3","4","1","6","1") = "5"
    & skf21("1","2","6","3","4","1","7","1") = "6"
    & skf21("1","2","6","3","4","2","1","1") = "5"
    & skf21("1","2","6","3","4","2","2","1") = "5"
    & skf21("1","2","6","3","4","2","3","1") = "5"
    & skf21("1","2","6","3","4","2","4","1") = "5"
    & skf21("1","2","6","3","4","2","5","1") = "5"
    & skf21("1","2","6","3","4","2","6","1") = "5"
    & skf21("1","2","6","3","4","2","7","1") = "6"
    & skf21("1","2","6","3","4","3","1","1") = "5"
    & skf21("1","2","6","3","4","3","2","1") = "5"
    & skf21("1","2","6","3","4","3","3","1") = "5"
    & skf21("1","2","6","3","4","3","4","1") = "5"
    & skf21("1","2","6","3","4","3","5","1") = "5"
    & skf21("1","2","6","3","4","3","6","1") = "5"
    & skf21("1","2","6","3","4","3","7","1") = "6"
    & skf21("1","2","6","3","4","4","1","1") = "5"
    & skf21("1","2","6","3","4","4","2","1") = "5"
    & skf21("1","2","6","3","4","4","3","1") = "5"
    & skf21("1","2","6","3","4","4","4","1") = "5"
    & skf21("1","2","6","3","4","4","5","1") = "5"
    & skf21("1","2","6","3","4","4","6","1") = "5"
    & skf21("1","2","6","3","4","4","7","1") = "6"
    & skf21("1","2","6","3","4","5","1","1") = "5"
    & skf21("1","2","6","3","4","5","2","1") = "5"
    & skf21("1","2","6","3","4","5","3","1") = "5"
    & skf21("1","2","6","3","4","5","4","1") = "5"
    & skf21("1","2","6","3","4","5","5","1") = "5"
    & skf21("1","2","6","3","4","5","6","1") = "5"
    & skf21("1","2","6","3","4","5","7","1") = "6"
    & skf21("1","2","6","3","4","6","1","1") = "5"
    & skf21("1","2","6","3","4","6","2","1") = "5"
    & skf21("1","2","6","3","4","6","3","1") = "5"
    & skf21("1","2","6","3","4","6","4","1") = "5"
    & skf21("1","2","6","3","4","6","5","1") = "5"
    & skf21("1","2","6","3","4","6","6","1") = "5"
    & skf21("1","2","6","3","4","6","7","1") = "6"
    & skf21("1","2","6","3","4","7","1","1") = "6"
    & skf21("1","2","6","3","4","7","2","1") = "6"
    & skf21("1","2","6","3","4","7","3","1") = "6"
    & skf21("1","2","6","3","4","7","4","1") = "6"
    & skf21("1","2","6","3","4","7","5","1") = "6"
    & skf21("1","2","6","3","4","7","6","1") = "6"
    & skf21("1","2","6","3","4","7","7","1") = "6"
    & skf21("1","2","6","3","5","1","1","1") = "5"
    & skf21("1","2","6","3","5","1","2","1") = "5"
    & skf21("1","2","6","3","5","1","3","1") = "5"
    & skf21("1","2","6","3","5","1","4","1") = "5"
    & skf21("1","2","6","3","5","1","5","1") = "5"
    & skf21("1","2","6","3","5","1","6","1") = "5"
    & skf21("1","2","6","3","5","1","7","1") = "6"
    & skf21("1","2","6","3","5","2","1","1") = "5"
    & skf21("1","2","6","3","5","2","2","1") = "5"
    & skf21("1","2","6","3","5","2","3","1") = "5"
    & skf21("1","2","6","3","5","2","4","1") = "5"
    & skf21("1","2","6","3","5","2","5","1") = "5"
    & skf21("1","2","6","3","5","2","6","1") = "5"
    & skf21("1","2","6","3","5","2","7","1") = "6"
    & skf21("1","2","6","3","5","3","1","1") = "5"
    & skf21("1","2","6","3","5","3","2","1") = "5"
    & skf21("1","2","6","3","5","3","3","1") = "5"
    & skf21("1","2","6","3","5","3","4","1") = "5"
    & skf21("1","2","6","3","5","3","5","1") = "5"
    & skf21("1","2","6","3","5","3","6","1") = "5"
    & skf21("1","2","6","3","5","3","7","1") = "6"
    & skf21("1","2","6","3","5","4","1","1") = "5"
    & skf21("1","2","6","3","5","4","2","1") = "5"
    & skf21("1","2","6","3","5","4","3","1") = "5"
    & skf21("1","2","6","3","5","4","4","1") = "5"
    & skf21("1","2","6","3","5","4","5","1") = "5"
    & skf21("1","2","6","3","5","4","6","1") = "5"
    & skf21("1","2","6","3","5","4","7","1") = "6"
    & skf21("1","2","6","3","5","5","1","1") = "5"
    & skf21("1","2","6","3","5","5","2","1") = "5"
    & skf21("1","2","6","3","5","5","3","1") = "5"
    & skf21("1","2","6","3","5","5","4","1") = "5"
    & skf21("1","2","6","3","5","5","5","1") = "5"
    & skf21("1","2","6","3","5","5","6","1") = "5"
    & skf21("1","2","6","3","5","5","7","1") = "6"
    & skf21("1","2","6","3","5","6","1","1") = "5"
    & skf21("1","2","6","3","5","6","2","1") = "5"
    & skf21("1","2","6","3","5","6","3","1") = "5"
    & skf21("1","2","6","3","5","6","4","1") = "5"
    & skf21("1","2","6","3","5","6","5","1") = "5"
    & skf21("1","2","6","3","5","6","6","1") = "5"
    & skf21("1","2","6","3","5","6","7","1") = "6"
    & skf21("1","2","6","3","5","7","1","1") = "6"
    & skf21("1","2","6","3","5","7","2","1") = "6"
    & skf21("1","2","6","3","5","7","3","1") = "6"
    & skf21("1","2","6","3","5","7","4","1") = "6"
    & skf21("1","2","6","3","5","7","5","1") = "6"
    & skf21("1","2","6","3","5","7","6","1") = "6"
    & skf21("1","2","6","3","5","7","7","1") = "6"
    & skf21("1","2","6","3","6","1","1","1") = "5"
    & skf21("1","2","6","3","6","1","2","1") = "5"
    & skf21("1","2","6","3","6","1","3","1") = "5"
    & skf21("1","2","6","3","6","1","4","1") = "5"
    & skf21("1","2","6","3","6","1","5","1") = "5"
    & skf21("1","2","6","3","6","1","6","1") = "5"
    & skf21("1","2","6","3","6","1","7","1") = "6"
    & skf21("1","2","6","3","6","2","1","1") = "5"
    & skf21("1","2","6","3","6","2","2","1") = "5"
    & skf21("1","2","6","3","6","2","3","1") = "5"
    & skf21("1","2","6","3","6","2","4","1") = "5"
    & skf21("1","2","6","3","6","2","5","1") = "5"
    & skf21("1","2","6","3","6","2","6","1") = "5"
    & skf21("1","2","6","3","6","2","7","1") = "6"
    & skf21("1","2","6","3","6","3","1","1") = "5"
    & skf21("1","2","6","3","6","3","2","1") = "5"
    & skf21("1","2","6","3","6","3","3","1") = "5"
    & skf21("1","2","6","3","6","3","4","1") = "5"
    & skf21("1","2","6","3","6","3","5","1") = "5"
    & skf21("1","2","6","3","6","3","6","1") = "5"
    & skf21("1","2","6","3","6","3","7","1") = "6"
    & skf21("1","2","6","3","6","4","1","1") = "5"
    & skf21("1","2","6","3","6","4","2","1") = "5"
    & skf21("1","2","6","3","6","4","3","1") = "5"
    & skf21("1","2","6","3","6","4","4","1") = "5"
    & skf21("1","2","6","3","6","4","5","1") = "5"
    & skf21("1","2","6","3","6","4","6","1") = "5"
    & skf21("1","2","6","3","6","4","7","1") = "6"
    & skf21("1","2","6","3","6","5","1","1") = "5"
    & skf21("1","2","6","3","6","5","2","1") = "5"
    & skf21("1","2","6","3","6","5","3","1") = "5"
    & skf21("1","2","6","3","6","5","4","1") = "5"
    & skf21("1","2","6","3","6","5","5","1") = "5"
    & skf21("1","2","6","3","6","5","6","1") = "5"
    & skf21("1","2","6","3","6","5","7","1") = "6"
    & skf21("1","2","6","3","6","6","1","1") = "5"
    & skf21("1","2","6","3","6","6","2","1") = "5"
    & skf21("1","2","6","3","6","6","3","1") = "5"
    & skf21("1","2","6","3","6","6","4","1") = "5"
    & skf21("1","2","6","3","6","6","5","1") = "5"
    & skf21("1","2","6","3","6","6","6","1") = "5"
    & skf21("1","2","6","3","6","6","7","1") = "6"
    & skf21("1","2","6","3","6","7","1","1") = "6"
    & skf21("1","2","6","3","6","7","2","1") = "6"
    & skf21("1","2","6","3","6","7","3","1") = "6"
    & skf21("1","2","6","3","6","7","4","1") = "6"
    & skf21("1","2","6","3","6","7","5","1") = "6"
    & skf21("1","2","6","3","6","7","6","1") = "6"
    & skf21("1","2","6","3","6","7","7","1") = "6"
    & skf21("1","2","6","3","7","1","1","1") = "6"
    & skf21("1","2","6","3","7","1","2","1") = "6"
    & skf21("1","2","6","3","7","1","3","1") = "6"
    & skf21("1","2","6","3","7","1","4","1") = "6"
    & skf21("1","2","6","3","7","1","5","1") = "6"
    & skf21("1","2","6","3","7","1","6","1") = "6"
    & skf21("1","2","6","3","7","1","7","1") = "6"
    & skf21("1","2","6","3","7","2","1","1") = "6"
    & skf21("1","2","6","3","7","2","2","1") = "6"
    & skf21("1","2","6","3","7","2","3","1") = "6"
    & skf21("1","2","6","3","7","2","4","1") = "6"
    & skf21("1","2","6","3","7","2","5","1") = "6"
    & skf21("1","2","6","3","7","2","6","1") = "6"
    & skf21("1","2","6","3","7","2","7","1") = "6"
    & skf21("1","2","6","3","7","3","1","1") = "6"
    & skf21("1","2","6","3","7","3","2","1") = "6"
    & skf21("1","2","6","3","7","3","3","1") = "6"
    & skf21("1","2","6","3","7","3","4","1") = "6"
    & skf21("1","2","6","3","7","3","5","1") = "6"
    & skf21("1","2","6","3","7","3","6","1") = "6"
    & skf21("1","2","6","3","7","3","7","1") = "6"
    & skf21("1","2","6","3","7","4","1","1") = "6"
    & skf21("1","2","6","3","7","4","2","1") = "6"
    & skf21("1","2","6","3","7","4","3","1") = "6"
    & skf21("1","2","6","3","7","4","4","1") = "6"
    & skf21("1","2","6","3","7","4","5","1") = "6"
    & skf21("1","2","6","3","7","4","6","1") = "6"
    & skf21("1","2","6","3","7","4","7","1") = "6"
    & skf21("1","2","6","3","7","5","1","1") = "6"
    & skf21("1","2","6","3","7","5","2","1") = "6"
    & skf21("1","2","6","3","7","5","3","1") = "6"
    & skf21("1","2","6","3","7","5","4","1") = "6"
    & skf21("1","2","6","3","7","5","5","1") = "6"
    & skf21("1","2","6","3","7","5","6","1") = "6"
    & skf21("1","2","6","3","7","5","7","1") = "6"
    & skf21("1","2","6","3","7","6","1","1") = "6"
    & skf21("1","2","6","3","7","6","2","1") = "6"
    & skf21("1","2","6","3","7","6","3","1") = "6"
    & skf21("1","2","6","3","7","6","4","1") = "6"
    & skf21("1","2","6","3","7","6","5","1") = "6"
    & skf21("1","2","6","3","7","6","6","1") = "6"
    & skf21("1","2","6","3","7","6","7","1") = "6"
    & skf21("1","2","6","3","7","7","1","1") = "6"
    & skf21("1","2","6","3","7","7","2","1") = "6"
    & skf21("1","2","6","3","7","7","3","1") = "6"
    & skf21("1","2","6","3","7","7","4","1") = "6"
    & skf21("1","2","6","3","7","7","5","1") = "6"
    & skf21("1","2","6","3","7","7","6","1") = "6"
    & skf21("1","2","6","3","7","7","7","1") = "6"
    & skf21("1","2","6","4","1","1","1","1") = "5"
    & skf21("1","2","6","4","1","1","2","1") = "5"
    & skf21("1","2","6","4","1","1","3","1") = "5"
    & skf21("1","2","6","4","1","1","4","1") = "5"
    & skf21("1","2","6","4","1","1","5","1") = "5"
    & skf21("1","2","6","4","1","1","6","1") = "5"
    & skf21("1","2","6","4","1","1","7","1") = "6"
    & skf21("1","2","6","4","1","2","1","1") = "5"
    & skf21("1","2","6","4","1","2","2","1") = "5"
    & skf21("1","2","6","4","1","2","3","1") = "5"
    & skf21("1","2","6","4","1","2","4","1") = "5"
    & skf21("1","2","6","4","1","2","5","1") = "5"
    & skf21("1","2","6","4","1","2","6","1") = "5"
    & skf21("1","2","6","4","1","2","7","1") = "6"
    & skf21("1","2","6","4","1","3","1","1") = "5"
    & skf21("1","2","6","4","1","3","2","1") = "5"
    & skf21("1","2","6","4","1","3","3","1") = "5"
    & skf21("1","2","6","4","1","3","4","1") = "5"
    & skf21("1","2","6","4","1","3","5","1") = "5"
    & skf21("1","2","6","4","1","3","6","1") = "5"
    & skf21("1","2","6","4","1","3","7","1") = "6"
    & skf21("1","2","6","4","1","4","1","1") = "5"
    & skf21("1","2","6","4","1","4","2","1") = "5"
    & skf21("1","2","6","4","1","4","3","1") = "5"
    & skf21("1","2","6","4","1","4","4","1") = "5"
    & skf21("1","2","6","4","1","4","5","1") = "5"
    & skf21("1","2","6","4","1","4","6","1") = "5"
    & skf21("1","2","6","4","1","4","7","1") = "6"
    & skf21("1","2","6","4","1","5","1","1") = "5"
    & skf21("1","2","6","4","1","5","2","1") = "5"
    & skf21("1","2","6","4","1","5","3","1") = "5"
    & skf21("1","2","6","4","1","5","4","1") = "5"
    & skf21("1","2","6","4","1","5","5","1") = "5"
    & skf21("1","2","6","4","1","5","6","1") = "5"
    & skf21("1","2","6","4","1","5","7","1") = "6"
    & skf21("1","2","6","4","1","6","1","1") = "5"
    & skf21("1","2","6","4","1","6","2","1") = "5"
    & skf21("1","2","6","4","1","6","3","1") = "5"
    & skf21("1","2","6","4","1","6","4","1") = "5"
    & skf21("1","2","6","4","1","6","5","1") = "5"
    & skf21("1","2","6","4","1","6","6","1") = "5"
    & skf21("1","2","6","4","1","6","7","1") = "6"
    & skf21("1","2","6","4","1","7","1","1") = "6"
    & skf21("1","2","6","4","1","7","2","1") = "6"
    & skf21("1","2","6","4","1","7","3","1") = "6"
    & skf21("1","2","6","4","1","7","4","1") = "6"
    & skf21("1","2","6","4","1","7","5","1") = "6"
    & skf21("1","2","6","4","1","7","6","1") = "6"
    & skf21("1","2","6","4","1","7","7","1") = "6"
    & skf21("1","2","6","4","2","1","1","1") = "5"
    & skf21("1","2","6","4","2","1","2","1") = "5"
    & skf21("1","2","6","4","2","1","3","1") = "5"
    & skf21("1","2","6","4","2","1","4","1") = "5"
    & skf21("1","2","6","4","2","1","5","1") = "5"
    & skf21("1","2","6","4","2","1","6","1") = "5"
    & skf21("1","2","6","4","2","1","7","1") = "6"
    & skf21("1","2","6","4","2","2","1","1") = "5"
    & skf21("1","2","6","4","2","2","2","1") = "5"
    & skf21("1","2","6","4","2","2","3","1") = "5"
    & skf21("1","2","6","4","2","2","4","1") = "5"
    & skf21("1","2","6","4","2","2","5","1") = "5"
    & skf21("1","2","6","4","2","2","6","1") = "5"
    & skf21("1","2","6","4","2","2","7","1") = "6"
    & skf21("1","2","6","4","2","3","1","1") = "5"
    & skf21("1","2","6","4","2","3","2","1") = "5"
    & skf21("1","2","6","4","2","3","3","1") = "5"
    & skf21("1","2","6","4","2","3","4","1") = "5"
    & skf21("1","2","6","4","2","3","5","1") = "5"
    & skf21("1","2","6","4","2","3","6","1") = "5"
    & skf21("1","2","6","4","2","3","7","1") = "6"
    & skf21("1","2","6","4","2","4","1","1") = "5"
    & skf21("1","2","6","4","2","4","2","1") = "5"
    & skf21("1","2","6","4","2","4","3","1") = "5"
    & skf21("1","2","6","4","2","4","4","1") = "5"
    & skf21("1","2","6","4","2","4","5","1") = "5"
    & skf21("1","2","6","4","2","4","6","1") = "5"
    & skf21("1","2","6","4","2","4","7","1") = "6"
    & skf21("1","2","6","4","2","5","1","1") = "5"
    & skf21("1","2","6","4","2","5","2","1") = "5"
    & skf21("1","2","6","4","2","5","3","1") = "5"
    & skf21("1","2","6","4","2","5","4","1") = "5"
    & skf21("1","2","6","4","2","5","5","1") = "5"
    & skf21("1","2","6","4","2","5","6","1") = "5"
    & skf21("1","2","6","4","2","5","7","1") = "6"
    & skf21("1","2","6","4","2","6","1","1") = "5"
    & skf21("1","2","6","4","2","6","2","1") = "5"
    & skf21("1","2","6","4","2","6","3","1") = "5"
    & skf21("1","2","6","4","2","6","4","1") = "5"
    & skf21("1","2","6","4","2","6","5","1") = "5"
    & skf21("1","2","6","4","2","6","6","1") = "5"
    & skf21("1","2","6","4","2","6","7","1") = "6"
    & skf21("1","2","6","4","2","7","1","1") = "6"
    & skf21("1","2","6","4","2","7","2","1") = "6"
    & skf21("1","2","6","4","2","7","3","1") = "6"
    & skf21("1","2","6","4","2","7","4","1") = "6"
    & skf21("1","2","6","4","2","7","5","1") = "6"
    & skf21("1","2","6","4","2","7","6","1") = "6"
    & skf21("1","2","6","4","2","7","7","1") = "6"
    & skf21("1","2","6","4","3","1","1","1") = "5"
    & skf21("1","2","6","4","3","1","2","1") = "5"
    & skf21("1","2","6","4","3","1","3","1") = "5"
    & skf21("1","2","6","4","3","1","4","1") = "5"
    & skf21("1","2","6","4","3","1","5","1") = "5"
    & skf21("1","2","6","4","3","1","6","1") = "5"
    & skf21("1","2","6","4","3","1","7","1") = "6"
    & skf21("1","2","6","4","3","2","1","1") = "5"
    & skf21("1","2","6","4","3","2","2","1") = "5"
    & skf21("1","2","6","4","3","2","3","1") = "5"
    & skf21("1","2","6","4","3","2","4","1") = "5"
    & skf21("1","2","6","4","3","2","5","1") = "5"
    & skf21("1","2","6","4","3","2","6","1") = "5"
    & skf21("1","2","6","4","3","2","7","1") = "6"
    & skf21("1","2","6","4","3","3","1","1") = "5"
    & skf21("1","2","6","4","3","3","2","1") = "5"
    & skf21("1","2","6","4","3","3","3","1") = "5"
    & skf21("1","2","6","4","3","3","4","1") = "5"
    & skf21("1","2","6","4","3","3","5","1") = "5"
    & skf21("1","2","6","4","3","3","6","1") = "5"
    & skf21("1","2","6","4","3","3","7","1") = "6"
    & skf21("1","2","6","4","3","4","1","1") = "5"
    & skf21("1","2","6","4","3","4","2","1") = "5"
    & skf21("1","2","6","4","3","4","3","1") = "5"
    & skf21("1","2","6","4","3","4","4","1") = "5"
    & skf21("1","2","6","4","3","4","5","1") = "5"
    & skf21("1","2","6","4","3","4","6","1") = "5"
    & skf21("1","2","6","4","3","4","7","1") = "6"
    & skf21("1","2","6","4","3","5","1","1") = "5"
    & skf21("1","2","6","4","3","5","2","1") = "5"
    & skf21("1","2","6","4","3","5","3","1") = "5"
    & skf21("1","2","6","4","3","5","4","1") = "5"
    & skf21("1","2","6","4","3","5","5","1") = "5"
    & skf21("1","2","6","4","3","5","6","1") = "5"
    & skf21("1","2","6","4","3","5","7","1") = "6"
    & skf21("1","2","6","4","3","6","1","1") = "5"
    & skf21("1","2","6","4","3","6","2","1") = "5"
    & skf21("1","2","6","4","3","6","3","1") = "5"
    & skf21("1","2","6","4","3","6","4","1") = "5"
    & skf21("1","2","6","4","3","6","5","1") = "5"
    & skf21("1","2","6","4","3","6","6","1") = "5"
    & skf21("1","2","6","4","3","6","7","1") = "6"
    & skf21("1","2","6","4","3","7","1","1") = "6"
    & skf21("1","2","6","4","3","7","2","1") = "6"
    & skf21("1","2","6","4","3","7","3","1") = "6"
    & skf21("1","2","6","4","3","7","4","1") = "6"
    & skf21("1","2","6","4","3","7","5","1") = "6"
    & skf21("1","2","6","4","3","7","6","1") = "6"
    & skf21("1","2","6","4","3","7","7","1") = "6"
    & skf21("1","2","6","4","4","1","1","1") = "5"
    & skf21("1","2","6","4","4","1","2","1") = "5"
    & skf21("1","2","6","4","4","1","3","1") = "5"
    & skf21("1","2","6","4","4","1","4","1") = "5"
    & skf21("1","2","6","4","4","1","5","1") = "5"
    & skf21("1","2","6","4","4","1","6","1") = "5"
    & skf21("1","2","6","4","4","1","7","1") = "6"
    & skf21("1","2","6","4","4","2","1","1") = "5"
    & skf21("1","2","6","4","4","2","2","1") = "5"
    & skf21("1","2","6","4","4","2","3","1") = "5"
    & skf21("1","2","6","4","4","2","4","1") = "5"
    & skf21("1","2","6","4","4","2","5","1") = "5"
    & skf21("1","2","6","4","4","2","6","1") = "5"
    & skf21("1","2","6","4","4","2","7","1") = "6"
    & skf21("1","2","6","4","4","3","1","1") = "5"
    & skf21("1","2","6","4","4","3","2","1") = "5"
    & skf21("1","2","6","4","4","3","3","1") = "5"
    & skf21("1","2","6","4","4","3","4","1") = "5"
    & skf21("1","2","6","4","4","3","5","1") = "5"
    & skf21("1","2","6","4","4","3","6","1") = "5"
    & skf21("1","2","6","4","4","3","7","1") = "6"
    & skf21("1","2","6","4","4","4","1","1") = "5"
    & skf21("1","2","6","4","4","4","2","1") = "5"
    & skf21("1","2","6","4","4","4","3","1") = "5"
    & skf21("1","2","6","4","4","4","4","1") = "5"
    & skf21("1","2","6","4","4","4","5","1") = "5"
    & skf21("1","2","6","4","4","4","6","1") = "5"
    & skf21("1","2","6","4","4","4","7","1") = "6"
    & skf21("1","2","6","4","4","5","1","1") = "5"
    & skf21("1","2","6","4","4","5","2","1") = "5"
    & skf21("1","2","6","4","4","5","3","1") = "5"
    & skf21("1","2","6","4","4","5","4","1") = "5"
    & skf21("1","2","6","4","4","5","5","1") = "5"
    & skf21("1","2","6","4","4","5","6","1") = "5"
    & skf21("1","2","6","4","4","5","7","1") = "6"
    & skf21("1","2","6","4","4","6","1","1") = "5"
    & skf21("1","2","6","4","4","6","2","1") = "5"
    & skf21("1","2","6","4","4","6","3","1") = "5"
    & skf21("1","2","6","4","4","6","4","1") = "5"
    & skf21("1","2","6","4","4","6","5","1") = "5"
    & skf21("1","2","6","4","4","6","6","1") = "5"
    & skf21("1","2","6","4","4","6","7","1") = "6"
    & skf21("1","2","6","4","4","7","1","1") = "6"
    & skf21("1","2","6","4","4","7","2","1") = "6"
    & skf21("1","2","6","4","4","7","3","1") = "6"
    & skf21("1","2","6","4","4","7","4","1") = "6"
    & skf21("1","2","6","4","4","7","5","1") = "6"
    & skf21("1","2","6","4","4","7","6","1") = "6"
    & skf21("1","2","6","4","4","7","7","1") = "6"
    & skf21("1","2","6","4","5","1","1","1") = "5"
    & skf21("1","2","6","4","5","1","2","1") = "5"
    & skf21("1","2","6","4","5","1","3","1") = "5"
    & skf21("1","2","6","4","5","1","4","1") = "5"
    & skf21("1","2","6","4","5","1","5","1") = "5"
    & skf21("1","2","6","4","5","1","6","1") = "5"
    & skf21("1","2","6","4","5","1","7","1") = "6"
    & skf21("1","2","6","4","5","2","1","1") = "5"
    & skf21("1","2","6","4","5","2","2","1") = "5"
    & skf21("1","2","6","4","5","2","3","1") = "5"
    & skf21("1","2","6","4","5","2","4","1") = "5"
    & skf21("1","2","6","4","5","2","5","1") = "5"
    & skf21("1","2","6","4","5","2","6","1") = "5"
    & skf21("1","2","6","4","5","2","7","1") = "6"
    & skf21("1","2","6","4","5","3","1","1") = "5"
    & skf21("1","2","6","4","5","3","2","1") = "5"
    & skf21("1","2","6","4","5","3","3","1") = "5"
    & skf21("1","2","6","4","5","3","4","1") = "5"
    & skf21("1","2","6","4","5","3","5","1") = "5"
    & skf21("1","2","6","4","5","3","6","1") = "5"
    & skf21("1","2","6","4","5","3","7","1") = "6"
    & skf21("1","2","6","4","5","4","1","1") = "5"
    & skf21("1","2","6","4","5","4","2","1") = "5"
    & skf21("1","2","6","4","5","4","3","1") = "5"
    & skf21("1","2","6","4","5","4","4","1") = "5"
    & skf21("1","2","6","4","5","4","5","1") = "5"
    & skf21("1","2","6","4","5","4","6","1") = "5"
    & skf21("1","2","6","4","5","4","7","1") = "6"
    & skf21("1","2","6","4","5","5","1","1") = "5"
    & skf21("1","2","6","4","5","5","2","1") = "5"
    & skf21("1","2","6","4","5","5","3","1") = "5"
    & skf21("1","2","6","4","5","5","4","1") = "5"
    & skf21("1","2","6","4","5","5","5","1") = "5"
    & skf21("1","2","6","4","5","5","6","1") = "5"
    & skf21("1","2","6","4","5","5","7","1") = "6"
    & skf21("1","2","6","4","5","6","1","1") = "5"
    & skf21("1","2","6","4","5","6","2","1") = "5"
    & skf21("1","2","6","4","5","6","3","1") = "5"
    & skf21("1","2","6","4","5","6","4","1") = "5"
    & skf21("1","2","6","4","5","6","5","1") = "5"
    & skf21("1","2","6","4","5","6","6","1") = "5"
    & skf21("1","2","6","4","5","6","7","1") = "6"
    & skf21("1","2","6","4","5","7","1","1") = "6"
    & skf21("1","2","6","4","5","7","2","1") = "6"
    & skf21("1","2","6","4","5","7","3","1") = "6"
    & skf21("1","2","6","4","5","7","4","1") = "6"
    & skf21("1","2","6","4","5","7","5","1") = "6"
    & skf21("1","2","6","4","5","7","6","1") = "6"
    & skf21("1","2","6","4","5","7","7","1") = "6"
    & skf21("1","2","6","4","6","1","1","1") = "5"
    & skf21("1","2","6","4","6","1","2","1") = "5"
    & skf21("1","2","6","4","6","1","3","1") = "5"
    & skf21("1","2","6","4","6","1","4","1") = "5"
    & skf21("1","2","6","4","6","1","5","1") = "5"
    & skf21("1","2","6","4","6","1","6","1") = "5"
    & skf21("1","2","6","4","6","1","7","1") = "6"
    & skf21("1","2","6","4","6","2","1","1") = "5"
    & skf21("1","2","6","4","6","2","2","1") = "5"
    & skf21("1","2","6","4","6","2","3","1") = "5"
    & skf21("1","2","6","4","6","2","4","1") = "5"
    & skf21("1","2","6","4","6","2","5","1") = "5"
    & skf21("1","2","6","4","6","2","6","1") = "5"
    & skf21("1","2","6","4","6","2","7","1") = "6"
    & skf21("1","2","6","4","6","3","1","1") = "5"
    & skf21("1","2","6","4","6","3","2","1") = "5"
    & skf21("1","2","6","4","6","3","3","1") = "5"
    & skf21("1","2","6","4","6","3","4","1") = "5"
    & skf21("1","2","6","4","6","3","5","1") = "5"
    & skf21("1","2","6","4","6","3","6","1") = "5"
    & skf21("1","2","6","4","6","3","7","1") = "6"
    & skf21("1","2","6","4","6","4","1","1") = "5"
    & skf21("1","2","6","4","6","4","2","1") = "5"
    & skf21("1","2","6","4","6","4","3","1") = "5"
    & skf21("1","2","6","4","6","4","4","1") = "5"
    & skf21("1","2","6","4","6","4","5","1") = "5"
    & skf21("1","2","6","4","6","4","6","1") = "5"
    & skf21("1","2","6","4","6","4","7","1") = "6"
    & skf21("1","2","6","4","6","5","1","1") = "5"
    & skf21("1","2","6","4","6","5","2","1") = "5"
    & skf21("1","2","6","4","6","5","3","1") = "5"
    & skf21("1","2","6","4","6","5","4","1") = "5"
    & skf21("1","2","6","4","6","5","5","1") = "5"
    & skf21("1","2","6","4","6","5","6","1") = "5"
    & skf21("1","2","6","4","6","5","7","1") = "6"
    & skf21("1","2","6","4","6","6","1","1") = "5"
    & skf21("1","2","6","4","6","6","2","1") = "5"
    & skf21("1","2","6","4","6","6","3","1") = "5"
    & skf21("1","2","6","4","6","6","4","1") = "5"
    & skf21("1","2","6","4","6","6","5","1") = "5"
    & skf21("1","2","6","4","6","6","6","1") = "5"
    & skf21("1","2","6","4","6","6","7","1") = "6"
    & skf21("1","2","6","4","6","7","1","1") = "6"
    & skf21("1","2","6","4","6","7","2","1") = "6"
    & skf21("1","2","6","4","6","7","3","1") = "6"
    & skf21("1","2","6","4","6","7","4","1") = "6"
    & skf21("1","2","6","4","6","7","5","1") = "6"
    & skf21("1","2","6","4","6","7","6","1") = "6"
    & skf21("1","2","6","4","6","7","7","1") = "6"
    & skf21("1","2","6","4","7","1","1","1") = "6"
    & skf21("1","2","6","4","7","1","2","1") = "6"
    & skf21("1","2","6","4","7","1","3","1") = "6"
    & skf21("1","2","6","4","7","1","4","1") = "6"
    & skf21("1","2","6","4","7","1","5","1") = "6"
    & skf21("1","2","6","4","7","1","6","1") = "6"
    & skf21("1","2","6","4","7","1","7","1") = "6"
    & skf21("1","2","6","4","7","2","1","1") = "6"
    & skf21("1","2","6","4","7","2","2","1") = "6"
    & skf21("1","2","6","4","7","2","3","1") = "6"
    & skf21("1","2","6","4","7","2","4","1") = "6"
    & skf21("1","2","6","4","7","2","5","1") = "6"
    & skf21("1","2","6","4","7","2","6","1") = "6"
    & skf21("1","2","6","4","7","2","7","1") = "6"
    & skf21("1","2","6","4","7","3","1","1") = "6"
    & skf21("1","2","6","4","7","3","2","1") = "6"
    & skf21("1","2","6","4","7","3","3","1") = "6"
    & skf21("1","2","6","4","7","3","4","1") = "6"
    & skf21("1","2","6","4","7","3","5","1") = "6"
    & skf21("1","2","6","4","7","3","6","1") = "6"
    & skf21("1","2","6","4","7","3","7","1") = "6"
    & skf21("1","2","6","4","7","4","1","1") = "6"
    & skf21("1","2","6","4","7","4","2","1") = "6"
    & skf21("1","2","6","4","7","4","3","1") = "6"
    & skf21("1","2","6","4","7","4","4","1") = "6"
    & skf21("1","2","6","4","7","4","5","1") = "6"
    & skf21("1","2","6","4","7","4","6","1") = "6"
    & skf21("1","2","6","4","7","4","7","1") = "6"
    & skf21("1","2","6","4","7","5","1","1") = "6"
    & skf21("1","2","6","4","7","5","2","1") = "6"
    & skf21("1","2","6","4","7","5","3","1") = "6"
    & skf21("1","2","6","4","7","5","4","1") = "6"
    & skf21("1","2","6","4","7","5","5","1") = "6"
    & skf21("1","2","6","4","7","5","6","1") = "6"
    & skf21("1","2","6","4","7","5","7","1") = "6"
    & skf21("1","2","6","4","7","6","1","1") = "6"
    & skf21("1","2","6","4","7","6","2","1") = "6"
    & skf21("1","2","6","4","7","6","3","1") = "6"
    & skf21("1","2","6","4","7","6","4","1") = "6"
    & skf21("1","2","6","4","7","6","5","1") = "6"
    & skf21("1","2","6","4","7","6","6","1") = "6"
    & skf21("1","2","6","4","7","6","7","1") = "6"
    & skf21("1","2","6","4","7","7","1","1") = "6"
    & skf21("1","2","6","4","7","7","2","1") = "6"
    & skf21("1","2","6","4","7","7","3","1") = "6"
    & skf21("1","2","6","4","7","7","4","1") = "6"
    & skf21("1","2","6","4","7","7","5","1") = "6"
    & skf21("1","2","6","4","7","7","6","1") = "6"
    & skf21("1","2","6","4","7","7","7","1") = "6"
    & skf21("1","2","6","5","1","1","1","1") = "5"
    & skf21("1","2","6","5","1","1","2","1") = "5"
    & skf21("1","2","6","5","1","1","3","1") = "5"
    & skf21("1","2","6","5","1","1","4","1") = "5"
    & skf21("1","2","6","5","1","1","5","1") = "5"
    & skf21("1","2","6","5","1","1","6","1") = "5"
    & skf21("1","2","6","5","1","1","7","1") = "6"
    & skf21("1","2","6","5","1","2","1","1") = "5"
    & skf21("1","2","6","5","1","2","2","1") = "5"
    & skf21("1","2","6","5","1","2","3","1") = "5"
    & skf21("1","2","6","5","1","2","4","1") = "5"
    & skf21("1","2","6","5","1","2","5","1") = "5"
    & skf21("1","2","6","5","1","2","6","1") = "5"
    & skf21("1","2","6","5","1","2","7","1") = "6"
    & skf21("1","2","6","5","1","3","1","1") = "5"
    & skf21("1","2","6","5","1","3","2","1") = "5"
    & skf21("1","2","6","5","1","3","3","1") = "5"
    & skf21("1","2","6","5","1","3","4","1") = "5"
    & skf21("1","2","6","5","1","3","5","1") = "5"
    & skf21("1","2","6","5","1","3","6","1") = "5"
    & skf21("1","2","6","5","1","3","7","1") = "6"
    & skf21("1","2","6","5","1","4","1","1") = "5"
    & skf21("1","2","6","5","1","4","2","1") = "5"
    & skf21("1","2","6","5","1","4","3","1") = "5"
    & skf21("1","2","6","5","1","4","4","1") = "5"
    & skf21("1","2","6","5","1","4","5","1") = "5"
    & skf21("1","2","6","5","1","4","6","1") = "5"
    & skf21("1","2","6","5","1","4","7","1") = "6"
    & skf21("1","2","6","5","1","5","1","1") = "5"
    & skf21("1","2","6","5","1","5","2","1") = "5"
    & skf21("1","2","6","5","1","5","3","1") = "5"
    & skf21("1","2","6","5","1","5","4","1") = "5"
    & skf21("1","2","6","5","1","5","5","1") = "5"
    & skf21("1","2","6","5","1","5","6","1") = "5"
    & skf21("1","2","6","5","1","5","7","1") = "6"
    & skf21("1","2","6","5","1","6","1","1") = "5"
    & skf21("1","2","6","5","1","6","2","1") = "5"
    & skf21("1","2","6","5","1","6","3","1") = "5"
    & skf21("1","2","6","5","1","6","4","1") = "5"
    & skf21("1","2","6","5","1","6","5","1") = "5"
    & skf21("1","2","6","5","1","6","6","1") = "5"
    & skf21("1","2","6","5","1","6","7","1") = "6"
    & skf21("1","2","6","5","1","7","1","1") = "6"
    & skf21("1","2","6","5","1","7","2","1") = "6"
    & skf21("1","2","6","5","1","7","3","1") = "6"
    & skf21("1","2","6","5","1","7","4","1") = "6"
    & skf21("1","2","6","5","1","7","5","1") = "6"
    & skf21("1","2","6","5","1","7","6","1") = "6"
    & skf21("1","2","6","5","1","7","7","1") = "6"
    & skf21("1","2","6","5","2","1","1","1") = "5"
    & skf21("1","2","6","5","2","1","2","1") = "5"
    & skf21("1","2","6","5","2","1","3","1") = "5"
    & skf21("1","2","6","5","2","1","4","1") = "5"
    & skf21("1","2","6","5","2","1","5","1") = "5"
    & skf21("1","2","6","5","2","1","6","1") = "5"
    & skf21("1","2","6","5","2","1","7","1") = "6"
    & skf21("1","2","6","5","2","2","1","1") = "5"
    & skf21("1","2","6","5","2","2","2","1") = "5"
    & skf21("1","2","6","5","2","2","3","1") = "5"
    & skf21("1","2","6","5","2","2","4","1") = "5"
    & skf21("1","2","6","5","2","2","5","1") = "5"
    & skf21("1","2","6","5","2","2","6","1") = "5"
    & skf21("1","2","6","5","2","2","7","1") = "6"
    & skf21("1","2","6","5","2","3","1","1") = "5"
    & skf21("1","2","6","5","2","3","2","1") = "5"
    & skf21("1","2","6","5","2","3","3","1") = "5"
    & skf21("1","2","6","5","2","3","4","1") = "5"
    & skf21("1","2","6","5","2","3","5","1") = "5"
    & skf21("1","2","6","5","2","3","6","1") = "5"
    & skf21("1","2","6","5","2","3","7","1") = "6"
    & skf21("1","2","6","5","2","4","1","1") = "5"
    & skf21("1","2","6","5","2","4","2","1") = "5"
    & skf21("1","2","6","5","2","4","3","1") = "5"
    & skf21("1","2","6","5","2","4","4","1") = "5"
    & skf21("1","2","6","5","2","4","5","1") = "5"
    & skf21("1","2","6","5","2","4","6","1") = "5"
    & skf21("1","2","6","5","2","4","7","1") = "6"
    & skf21("1","2","6","5","2","5","1","1") = "5"
    & skf21("1","2","6","5","2","5","2","1") = "5"
    & skf21("1","2","6","5","2","5","3","1") = "5"
    & skf21("1","2","6","5","2","5","4","1") = "5"
    & skf21("1","2","6","5","2","5","5","1") = "5"
    & skf21("1","2","6","5","2","5","6","1") = "5"
    & skf21("1","2","6","5","2","5","7","1") = "6"
    & skf21("1","2","6","5","2","6","1","1") = "5"
    & skf21("1","2","6","5","2","6","2","1") = "5"
    & skf21("1","2","6","5","2","6","3","1") = "5"
    & skf21("1","2","6","5","2","6","4","1") = "5"
    & skf21("1","2","6","5","2","6","5","1") = "5"
    & skf21("1","2","6","5","2","6","6","1") = "5"
    & skf21("1","2","6","5","2","6","7","1") = "6"
    & skf21("1","2","6","5","2","7","1","1") = "6"
    & skf21("1","2","6","5","2","7","2","1") = "6"
    & skf21("1","2","6","5","2","7","3","1") = "6"
    & skf21("1","2","6","5","2","7","4","1") = "6"
    & skf21("1","2","6","5","2","7","5","1") = "6"
    & skf21("1","2","6","5","2","7","6","1") = "6"
    & skf21("1","2","6","5","2","7","7","1") = "6"
    & skf21("1","2","6","5","3","1","1","1") = "5"
    & skf21("1","2","6","5","3","1","2","1") = "5"
    & skf21("1","2","6","5","3","1","3","1") = "5"
    & skf21("1","2","6","5","3","1","4","1") = "5"
    & skf21("1","2","6","5","3","1","5","1") = "5"
    & skf21("1","2","6","5","3","1","6","1") = "5"
    & skf21("1","2","6","5","3","1","7","1") = "6"
    & skf21("1","2","6","5","3","2","1","1") = "5"
    & skf21("1","2","6","5","3","2","2","1") = "5"
    & skf21("1","2","6","5","3","2","3","1") = "5"
    & skf21("1","2","6","5","3","2","4","1") = "5"
    & skf21("1","2","6","5","3","2","5","1") = "5"
    & skf21("1","2","6","5","3","2","6","1") = "5"
    & skf21("1","2","6","5","3","2","7","1") = "6"
    & skf21("1","2","6","5","3","3","1","1") = "5"
    & skf21("1","2","6","5","3","3","2","1") = "5"
    & skf21("1","2","6","5","3","3","3","1") = "5"
    & skf21("1","2","6","5","3","3","4","1") = "5"
    & skf21("1","2","6","5","3","3","5","1") = "5"
    & skf21("1","2","6","5","3","3","6","1") = "5"
    & skf21("1","2","6","5","3","3","7","1") = "6"
    & skf21("1","2","6","5","3","4","1","1") = "5"
    & skf21("1","2","6","5","3","4","2","1") = "5"
    & skf21("1","2","6","5","3","4","3","1") = "5"
    & skf21("1","2","6","5","3","4","4","1") = "5"
    & skf21("1","2","6","5","3","4","5","1") = "5"
    & skf21("1","2","6","5","3","4","6","1") = "5"
    & skf21("1","2","6","5","3","4","7","1") = "6"
    & skf21("1","2","6","5","3","5","1","1") = "5"
    & skf21("1","2","6","5","3","5","2","1") = "5"
    & skf21("1","2","6","5","3","5","3","1") = "5"
    & skf21("1","2","6","5","3","5","4","1") = "5"
    & skf21("1","2","6","5","3","5","5","1") = "5"
    & skf21("1","2","6","5","3","5","6","1") = "5"
    & skf21("1","2","6","5","3","5","7","1") = "6"
    & skf21("1","2","6","5","3","6","1","1") = "5"
    & skf21("1","2","6","5","3","6","2","1") = "5"
    & skf21("1","2","6","5","3","6","3","1") = "5"
    & skf21("1","2","6","5","3","6","4","1") = "5"
    & skf21("1","2","6","5","3","6","5","1") = "5"
    & skf21("1","2","6","5","3","6","6","1") = "5"
    & skf21("1","2","6","5","3","6","7","1") = "6"
    & skf21("1","2","6","5","3","7","1","1") = "6"
    & skf21("1","2","6","5","3","7","2","1") = "6"
    & skf21("1","2","6","5","3","7","3","1") = "6"
    & skf21("1","2","6","5","3","7","4","1") = "6"
    & skf21("1","2","6","5","3","7","5","1") = "6"
    & skf21("1","2","6","5","3","7","6","1") = "6"
    & skf21("1","2","6","5","3","7","7","1") = "6"
    & skf21("1","2","6","5","4","1","1","1") = "5"
    & skf21("1","2","6","5","4","1","2","1") = "5"
    & skf21("1","2","6","5","4","1","3","1") = "5"
    & skf21("1","2","6","5","4","1","4","1") = "5"
    & skf21("1","2","6","5","4","1","5","1") = "5"
    & skf21("1","2","6","5","4","1","6","1") = "5"
    & skf21("1","2","6","5","4","1","7","1") = "6"
    & skf21("1","2","6","5","4","2","1","1") = "5"
    & skf21("1","2","6","5","4","2","2","1") = "5"
    & skf21("1","2","6","5","4","2","3","1") = "5"
    & skf21("1","2","6","5","4","2","4","1") = "5"
    & skf21("1","2","6","5","4","2","5","1") = "5"
    & skf21("1","2","6","5","4","2","6","1") = "5"
    & skf21("1","2","6","5","4","2","7","1") = "6"
    & skf21("1","2","6","5","4","3","1","1") = "5"
    & skf21("1","2","6","5","4","3","2","1") = "5"
    & skf21("1","2","6","5","4","3","3","1") = "5"
    & skf21("1","2","6","5","4","3","4","1") = "5"
    & skf21("1","2","6","5","4","3","5","1") = "5"
    & skf21("1","2","6","5","4","3","6","1") = "5"
    & skf21("1","2","6","5","4","3","7","1") = "6"
    & skf21("1","2","6","5","4","4","1","1") = "5"
    & skf21("1","2","6","5","4","4","2","1") = "5"
    & skf21("1","2","6","5","4","4","3","1") = "5"
    & skf21("1","2","6","5","4","4","4","1") = "5"
    & skf21("1","2","6","5","4","4","5","1") = "5"
    & skf21("1","2","6","5","4","4","6","1") = "5"
    & skf21("1","2","6","5","4","4","7","1") = "6"
    & skf21("1","2","6","5","4","5","1","1") = "5"
    & skf21("1","2","6","5","4","5","2","1") = "5"
    & skf21("1","2","6","5","4","5","3","1") = "5"
    & skf21("1","2","6","5","4","5","4","1") = "5"
    & skf21("1","2","6","5","4","5","5","1") = "5"
    & skf21("1","2","6","5","4","5","6","1") = "5"
    & skf21("1","2","6","5","4","5","7","1") = "6"
    & skf21("1","2","6","5","4","6","1","1") = "5"
    & skf21("1","2","6","5","4","6","2","1") = "5"
    & skf21("1","2","6","5","4","6","3","1") = "5"
    & skf21("1","2","6","5","4","6","4","1") = "5"
    & skf21("1","2","6","5","4","6","5","1") = "5"
    & skf21("1","2","6","5","4","6","6","1") = "5"
    & skf21("1","2","6","5","4","6","7","1") = "6"
    & skf21("1","2","6","5","4","7","1","1") = "6"
    & skf21("1","2","6","5","4","7","2","1") = "6"
    & skf21("1","2","6","5","4","7","3","1") = "6"
    & skf21("1","2","6","5","4","7","4","1") = "6"
    & skf21("1","2","6","5","4","7","5","1") = "6"
    & skf21("1","2","6","5","4","7","6","1") = "6"
    & skf21("1","2","6","5","4","7","7","1") = "6"
    & skf21("1","2","6","5","5","1","1","1") = "5"
    & skf21("1","2","6","5","5","1","2","1") = "5"
    & skf21("1","2","6","5","5","1","3","1") = "5"
    & skf21("1","2","6","5","5","1","4","1") = "5"
    & skf21("1","2","6","5","5","1","5","1") = "5"
    & skf21("1","2","6","5","5","1","6","1") = "5"
    & skf21("1","2","6","5","5","1","7","1") = "6"
    & skf21("1","2","6","5","5","2","1","1") = "5"
    & skf21("1","2","6","5","5","2","2","1") = "5"
    & skf21("1","2","6","5","5","2","3","1") = "5"
    & skf21("1","2","6","5","5","2","4","1") = "5"
    & skf21("1","2","6","5","5","2","5","1") = "5"
    & skf21("1","2","6","5","5","2","6","1") = "5"
    & skf21("1","2","6","5","5","2","7","1") = "6"
    & skf21("1","2","6","5","5","3","1","1") = "5"
    & skf21("1","2","6","5","5","3","2","1") = "5"
    & skf21("1","2","6","5","5","3","3","1") = "5"
    & skf21("1","2","6","5","5","3","4","1") = "5"
    & skf21("1","2","6","5","5","3","5","1") = "5"
    & skf21("1","2","6","5","5","3","6","1") = "5"
    & skf21("1","2","6","5","5","3","7","1") = "6"
    & skf21("1","2","6","5","5","4","1","1") = "5"
    & skf21("1","2","6","5","5","4","2","1") = "5"
    & skf21("1","2","6","5","5","4","3","1") = "5"
    & skf21("1","2","6","5","5","4","4","1") = "5"
    & skf21("1","2","6","5","5","4","5","1") = "5"
    & skf21("1","2","6","5","5","4","6","1") = "5"
    & skf21("1","2","6","5","5","4","7","1") = "6"
    & skf21("1","2","6","5","5","5","1","1") = "5"
    & skf21("1","2","6","5","5","5","2","1") = "5"
    & skf21("1","2","6","5","5","5","3","1") = "5"
    & skf21("1","2","6","5","5","5","4","1") = "5"
    & skf21("1","2","6","5","5","5","5","1") = "5"
    & skf21("1","2","6","5","5","5","6","1") = "5"
    & skf21("1","2","6","5","5","5","7","1") = "6"
    & skf21("1","2","6","5","5","6","1","1") = "5"
    & skf21("1","2","6","5","5","6","2","1") = "5"
    & skf21("1","2","6","5","5","6","3","1") = "5"
    & skf21("1","2","6","5","5","6","4","1") = "5"
    & skf21("1","2","6","5","5","6","5","1") = "5"
    & skf21("1","2","6","5","5","6","6","1") = "5"
    & skf21("1","2","6","5","5","6","7","1") = "6"
    & skf21("1","2","6","5","5","7","1","1") = "6"
    & skf21("1","2","6","5","5","7","2","1") = "6"
    & skf21("1","2","6","5","5","7","3","1") = "6"
    & skf21("1","2","6","5","5","7","4","1") = "6"
    & skf21("1","2","6","5","5","7","5","1") = "6"
    & skf21("1","2","6","5","5","7","6","1") = "6"
    & skf21("1","2","6","5","5","7","7","1") = "6"
    & skf21("1","2","6","5","6","1","1","1") = "5"
    & skf21("1","2","6","5","6","1","2","1") = "5"
    & skf21("1","2","6","5","6","1","3","1") = "5"
    & skf21("1","2","6","5","6","1","4","1") = "5"
    & skf21("1","2","6","5","6","1","5","1") = "5"
    & skf21("1","2","6","5","6","1","6","1") = "5"
    & skf21("1","2","6","5","6","1","7","1") = "6"
    & skf21("1","2","6","5","6","2","1","1") = "5"
    & skf21("1","2","6","5","6","2","2","1") = "5"
    & skf21("1","2","6","5","6","2","3","1") = "5"
    & skf21("1","2","6","5","6","2","4","1") = "5"
    & skf21("1","2","6","5","6","2","5","1") = "5"
    & skf21("1","2","6","5","6","2","6","1") = "5"
    & skf21("1","2","6","5","6","2","7","1") = "6"
    & skf21("1","2","6","5","6","3","1","1") = "5"
    & skf21("1","2","6","5","6","3","2","1") = "5"
    & skf21("1","2","6","5","6","3","3","1") = "5"
    & skf21("1","2","6","5","6","3","4","1") = "5"
    & skf21("1","2","6","5","6","3","5","1") = "5"
    & skf21("1","2","6","5","6","3","6","1") = "5"
    & skf21("1","2","6","5","6","3","7","1") = "6"
    & skf21("1","2","6","5","6","4","1","1") = "5"
    & skf21("1","2","6","5","6","4","2","1") = "5"
    & skf21("1","2","6","5","6","4","3","1") = "5"
    & skf21("1","2","6","5","6","4","4","1") = "5"
    & skf21("1","2","6","5","6","4","5","1") = "5"
    & skf21("1","2","6","5","6","4","6","1") = "5"
    & skf21("1","2","6","5","6","4","7","1") = "6"
    & skf21("1","2","6","5","6","5","1","1") = "5"
    & skf21("1","2","6","5","6","5","2","1") = "5"
    & skf21("1","2","6","5","6","5","3","1") = "5"
    & skf21("1","2","6","5","6","5","4","1") = "5"
    & skf21("1","2","6","5","6","5","5","1") = "5"
    & skf21("1","2","6","5","6","5","6","1") = "5"
    & skf21("1","2","6","5","6","5","7","1") = "6"
    & skf21("1","2","6","5","6","6","1","1") = "5"
    & skf21("1","2","6","5","6","6","2","1") = "5"
    & skf21("1","2","6","5","6","6","3","1") = "5"
    & skf21("1","2","6","5","6","6","4","1") = "5"
    & skf21("1","2","6","5","6","6","5","1") = "5"
    & skf21("1","2","6","5","6","6","6","1") = "5"
    & skf21("1","2","6","5","6","6","7","1") = "6"
    & skf21("1","2","6","5","6","7","1","1") = "6"
    & skf21("1","2","6","5","6","7","2","1") = "6"
    & skf21("1","2","6","5","6","7","3","1") = "6"
    & skf21("1","2","6","5","6","7","4","1") = "6"
    & skf21("1","2","6","5","6","7","5","1") = "6"
    & skf21("1","2","6","5","6","7","6","1") = "6"
    & skf21("1","2","6","5","6","7","7","1") = "6"
    & skf21("1","2","6","5","7","1","1","1") = "6"
    & skf21("1","2","6","5","7","1","2","1") = "6"
    & skf21("1","2","6","5","7","1","3","1") = "6"
    & skf21("1","2","6","5","7","1","4","1") = "6"
    & skf21("1","2","6","5","7","1","5","1") = "6"
    & skf21("1","2","6","5","7","1","6","1") = "6"
    & skf21("1","2","6","5","7","1","7","1") = "6"
    & skf21("1","2","6","5","7","2","1","1") = "6"
    & skf21("1","2","6","5","7","2","2","1") = "6"
    & skf21("1","2","6","5","7","2","3","1") = "6"
    & skf21("1","2","6","5","7","2","4","1") = "6"
    & skf21("1","2","6","5","7","2","5","1") = "6"
    & skf21("1","2","6","5","7","2","6","1") = "6"
    & skf21("1","2","6","5","7","2","7","1") = "6"
    & skf21("1","2","6","5","7","3","1","1") = "6"
    & skf21("1","2","6","5","7","3","2","1") = "6"
    & skf21("1","2","6","5","7","3","3","1") = "6"
    & skf21("1","2","6","5","7","3","4","1") = "6"
    & skf21("1","2","6","5","7","3","5","1") = "6"
    & skf21("1","2","6","5","7","3","6","1") = "6"
    & skf21("1","2","6","5","7","3","7","1") = "6"
    & skf21("1","2","6","5","7","4","1","1") = "6"
    & skf21("1","2","6","5","7","4","2","1") = "6"
    & skf21("1","2","6","5","7","4","3","1") = "6"
    & skf21("1","2","6","5","7","4","4","1") = "6"
    & skf21("1","2","6","5","7","4","5","1") = "6"
    & skf21("1","2","6","5","7","4","6","1") = "6"
    & skf21("1","2","6","5","7","4","7","1") = "6"
    & skf21("1","2","6","5","7","5","1","1") = "6"
    & skf21("1","2","6","5","7","5","2","1") = "6"
    & skf21("1","2","6","5","7","5","3","1") = "6"
    & skf21("1","2","6","5","7","5","4","1") = "6"
    & skf21("1","2","6","5","7","5","5","1") = "6"
    & skf21("1","2","6","5","7","5","6","1") = "6"
    & skf21("1","2","6","5","7","5","7","1") = "6"
    & skf21("1","2","6","5","7","6","1","1") = "6"
    & skf21("1","2","6","5","7","6","2","1") = "6"
    & skf21("1","2","6","5","7","6","3","1") = "6"
    & skf21("1","2","6","5","7","6","4","1") = "6"
    & skf21("1","2","6","5","7","6","5","1") = "6"
    & skf21("1","2","6","5","7","6","6","1") = "6"
    & skf21("1","2","6","5","7","6","7","1") = "6"
    & skf21("1","2","6","5","7","7","1","1") = "6"
    & skf21("1","2","6","5","7","7","2","1") = "6"
    & skf21("1","2","6","5","7","7","3","1") = "6"
    & skf21("1","2","6","5","7","7","4","1") = "6"
    & skf21("1","2","6","5","7","7","5","1") = "6"
    & skf21("1","2","6","5","7","7","6","1") = "6"
    & skf21("1","2","6","5","7","7","7","1") = "6"
    & skf21("1","2","6","6","1","1","1","1") = "5"
    & skf21("1","2","6","6","1","1","2","1") = "5"
    & skf21("1","2","6","6","1","1","3","1") = "5"
    & skf21("1","2","6","6","1","1","4","1") = "5"
    & skf21("1","2","6","6","1","1","5","1") = "5"
    & skf21("1","2","6","6","1","1","6","1") = "5"
    & skf21("1","2","6","6","1","1","7","1") = "6"
    & skf21("1","2","6","6","1","2","1","1") = "5"
    & skf21("1","2","6","6","1","2","2","1") = "5"
    & skf21("1","2","6","6","1","2","3","1") = "5"
    & skf21("1","2","6","6","1","2","4","1") = "5"
    & skf21("1","2","6","6","1","2","5","1") = "5"
    & skf21("1","2","6","6","1","2","6","1") = "5"
    & skf21("1","2","6","6","1","2","7","1") = "6"
    & skf21("1","2","6","6","1","3","1","1") = "5"
    & skf21("1","2","6","6","1","3","2","1") = "5"
    & skf21("1","2","6","6","1","3","3","1") = "5"
    & skf21("1","2","6","6","1","3","4","1") = "5"
    & skf21("1","2","6","6","1","3","5","1") = "5"
    & skf21("1","2","6","6","1","3","6","1") = "5"
    & skf21("1","2","6","6","1","3","7","1") = "6"
    & skf21("1","2","6","6","1","4","1","1") = "5"
    & skf21("1","2","6","6","1","4","2","1") = "5"
    & skf21("1","2","6","6","1","4","3","1") = "5"
    & skf21("1","2","6","6","1","4","4","1") = "5"
    & skf21("1","2","6","6","1","4","5","1") = "5"
    & skf21("1","2","6","6","1","4","6","1") = "5"
    & skf21("1","2","6","6","1","4","7","1") = "6"
    & skf21("1","2","6","6","1","5","1","1") = "5"
    & skf21("1","2","6","6","1","5","2","1") = "5"
    & skf21("1","2","6","6","1","5","3","1") = "5"
    & skf21("1","2","6","6","1","5","4","1") = "5"
    & skf21("1","2","6","6","1","5","5","1") = "5"
    & skf21("1","2","6","6","1","5","6","1") = "5"
    & skf21("1","2","6","6","1","5","7","1") = "6"
    & skf21("1","2","6","6","1","6","1","1") = "5"
    & skf21("1","2","6","6","1","6","2","1") = "5"
    & skf21("1","2","6","6","1","6","3","1") = "5"
    & skf21("1","2","6","6","1","6","4","1") = "5"
    & skf21("1","2","6","6","1","6","5","1") = "5"
    & skf21("1","2","6","6","1","6","6","1") = "5"
    & skf21("1","2","6","6","1","6","7","1") = "6"
    & skf21("1","2","6","6","1","7","1","1") = "6"
    & skf21("1","2","6","6","1","7","2","1") = "6"
    & skf21("1","2","6","6","1","7","3","1") = "6"
    & skf21("1","2","6","6","1","7","4","1") = "6"
    & skf21("1","2","6","6","1","7","5","1") = "6"
    & skf21("1","2","6","6","1","7","6","1") = "6"
    & skf21("1","2","6","6","1","7","7","1") = "6"
    & skf21("1","2","6","6","2","1","1","1") = "5"
    & skf21("1","2","6","6","2","1","2","1") = "5"
    & skf21("1","2","6","6","2","1","3","1") = "5"
    & skf21("1","2","6","6","2","1","4","1") = "5"
    & skf21("1","2","6","6","2","1","5","1") = "5"
    & skf21("1","2","6","6","2","1","6","1") = "5"
    & skf21("1","2","6","6","2","1","7","1") = "6"
    & skf21("1","2","6","6","2","2","1","1") = "5"
    & skf21("1","2","6","6","2","2","2","1") = "5"
    & skf21("1","2","6","6","2","2","3","1") = "5"
    & skf21("1","2","6","6","2","2","4","1") = "5"
    & skf21("1","2","6","6","2","2","5","1") = "5"
    & skf21("1","2","6","6","2","2","6","1") = "5"
    & skf21("1","2","6","6","2","2","7","1") = "6"
    & skf21("1","2","6","6","2","3","1","1") = "5"
    & skf21("1","2","6","6","2","3","2","1") = "5"
    & skf21("1","2","6","6","2","3","3","1") = "5"
    & skf21("1","2","6","6","2","3","4","1") = "5"
    & skf21("1","2","6","6","2","3","5","1") = "5"
    & skf21("1","2","6","6","2","3","6","1") = "5"
    & skf21("1","2","6","6","2","3","7","1") = "6"
    & skf21("1","2","6","6","2","4","1","1") = "5"
    & skf21("1","2","6","6","2","4","2","1") = "5"
    & skf21("1","2","6","6","2","4","3","1") = "5"
    & skf21("1","2","6","6","2","4","4","1") = "5"
    & skf21("1","2","6","6","2","4","5","1") = "5"
    & skf21("1","2","6","6","2","4","6","1") = "5"
    & skf21("1","2","6","6","2","4","7","1") = "6"
    & skf21("1","2","6","6","2","5","1","1") = "5"
    & skf21("1","2","6","6","2","5","2","1") = "5"
    & skf21("1","2","6","6","2","5","3","1") = "5"
    & skf21("1","2","6","6","2","5","4","1") = "5"
    & skf21("1","2","6","6","2","5","5","1") = "5"
    & skf21("1","2","6","6","2","5","6","1") = "5"
    & skf21("1","2","6","6","2","5","7","1") = "6"
    & skf21("1","2","6","6","2","6","1","1") = "5"
    & skf21("1","2","6","6","2","6","2","1") = "5"
    & skf21("1","2","6","6","2","6","3","1") = "5"
    & skf21("1","2","6","6","2","6","4","1") = "5"
    & skf21("1","2","6","6","2","6","5","1") = "5"
    & skf21("1","2","6","6","2","6","6","1") = "5"
    & skf21("1","2","6","6","2","6","7","1") = "6"
    & skf21("1","2","6","6","2","7","1","1") = "6"
    & skf21("1","2","6","6","2","7","2","1") = "6"
    & skf21("1","2","6","6","2","7","3","1") = "6"
    & skf21("1","2","6","6","2","7","4","1") = "6"
    & skf21("1","2","6","6","2","7","5","1") = "6"
    & skf21("1","2","6","6","2","7","6","1") = "6"
    & skf21("1","2","6","6","2","7","7","1") = "6"
    & skf21("1","2","6","6","3","1","1","1") = "5"
    & skf21("1","2","6","6","3","1","2","1") = "5"
    & skf21("1","2","6","6","3","1","3","1") = "5"
    & skf21("1","2","6","6","3","1","4","1") = "5"
    & skf21("1","2","6","6","3","1","5","1") = "5"
    & skf21("1","2","6","6","3","1","6","1") = "5"
    & skf21("1","2","6","6","3","1","7","1") = "6"
    & skf21("1","2","6","6","3","2","1","1") = "5"
    & skf21("1","2","6","6","3","2","2","1") = "5"
    & skf21("1","2","6","6","3","2","3","1") = "5"
    & skf21("1","2","6","6","3","2","4","1") = "5"
    & skf21("1","2","6","6","3","2","5","1") = "5"
    & skf21("1","2","6","6","3","2","6","1") = "5"
    & skf21("1","2","6","6","3","2","7","1") = "6"
    & skf21("1","2","6","6","3","3","1","1") = "5"
    & skf21("1","2","6","6","3","3","2","1") = "5"
    & skf21("1","2","6","6","3","3","3","1") = "5"
    & skf21("1","2","6","6","3","3","4","1") = "5"
    & skf21("1","2","6","6","3","3","5","1") = "5"
    & skf21("1","2","6","6","3","3","6","1") = "5"
    & skf21("1","2","6","6","3","3","7","1") = "6"
    & skf21("1","2","6","6","3","4","1","1") = "5"
    & skf21("1","2","6","6","3","4","2","1") = "5"
    & skf21("1","2","6","6","3","4","3","1") = "5"
    & skf21("1","2","6","6","3","4","4","1") = "5"
    & skf21("1","2","6","6","3","4","5","1") = "5"
    & skf21("1","2","6","6","3","4","6","1") = "5"
    & skf21("1","2","6","6","3","4","7","1") = "6"
    & skf21("1","2","6","6","3","5","1","1") = "5"
    & skf21("1","2","6","6","3","5","2","1") = "5"
    & skf21("1","2","6","6","3","5","3","1") = "5"
    & skf21("1","2","6","6","3","5","4","1") = "5"
    & skf21("1","2","6","6","3","5","5","1") = "5"
    & skf21("1","2","6","6","3","5","6","1") = "5"
    & skf21("1","2","6","6","3","5","7","1") = "6"
    & skf21("1","2","6","6","3","6","1","1") = "5"
    & skf21("1","2","6","6","3","6","2","1") = "5"
    & skf21("1","2","6","6","3","6","3","1") = "5"
    & skf21("1","2","6","6","3","6","4","1") = "5"
    & skf21("1","2","6","6","3","6","5","1") = "5"
    & skf21("1","2","6","6","3","6","6","1") = "5"
    & skf21("1","2","6","6","3","6","7","1") = "6"
    & skf21("1","2","6","6","3","7","1","1") = "6"
    & skf21("1","2","6","6","3","7","2","1") = "6"
    & skf21("1","2","6","6","3","7","3","1") = "6"
    & skf21("1","2","6","6","3","7","4","1") = "6"
    & skf21("1","2","6","6","3","7","5","1") = "6"
    & skf21("1","2","6","6","3","7","6","1") = "6"
    & skf21("1","2","6","6","3","7","7","1") = "6"
    & skf21("1","2","6","6","4","1","1","1") = "5"
    & skf21("1","2","6","6","4","1","2","1") = "5"
    & skf21("1","2","6","6","4","1","3","1") = "5"
    & skf21("1","2","6","6","4","1","4","1") = "5"
    & skf21("1","2","6","6","4","1","5","1") = "5"
    & skf21("1","2","6","6","4","1","6","1") = "5"
    & skf21("1","2","6","6","4","1","7","1") = "6"
    & skf21("1","2","6","6","4","2","1","1") = "5"
    & skf21("1","2","6","6","4","2","2","1") = "5"
    & skf21("1","2","6","6","4","2","3","1") = "5"
    & skf21("1","2","6","6","4","2","4","1") = "5"
    & skf21("1","2","6","6","4","2","5","1") = "5"
    & skf21("1","2","6","6","4","2","6","1") = "5"
    & skf21("1","2","6","6","4","2","7","1") = "6"
    & skf21("1","2","6","6","4","3","1","1") = "5"
    & skf21("1","2","6","6","4","3","2","1") = "5"
    & skf21("1","2","6","6","4","3","3","1") = "5"
    & skf21("1","2","6","6","4","3","4","1") = "5"
    & skf21("1","2","6","6","4","3","5","1") = "5"
    & skf21("1","2","6","6","4","3","6","1") = "5"
    & skf21("1","2","6","6","4","3","7","1") = "6"
    & skf21("1","2","6","6","4","4","1","1") = "5"
    & skf21("1","2","6","6","4","4","2","1") = "5"
    & skf21("1","2","6","6","4","4","3","1") = "5"
    & skf21("1","2","6","6","4","4","4","1") = "5"
    & skf21("1","2","6","6","4","4","5","1") = "5"
    & skf21("1","2","6","6","4","4","6","1") = "5"
    & skf21("1","2","6","6","4","4","7","1") = "6"
    & skf21("1","2","6","6","4","5","1","1") = "5"
    & skf21("1","2","6","6","4","5","2","1") = "5"
    & skf21("1","2","6","6","4","5","3","1") = "5"
    & skf21("1","2","6","6","4","5","4","1") = "5"
    & skf21("1","2","6","6","4","5","5","1") = "5"
    & skf21("1","2","6","6","4","5","6","1") = "5"
    & skf21("1","2","6","6","4","5","7","1") = "6"
    & skf21("1","2","6","6","4","6","1","1") = "5"
    & skf21("1","2","6","6","4","6","2","1") = "5"
    & skf21("1","2","6","6","4","6","3","1") = "5"
    & skf21("1","2","6","6","4","6","4","1") = "5"
    & skf21("1","2","6","6","4","6","5","1") = "5"
    & skf21("1","2","6","6","4","6","6","1") = "5"
    & skf21("1","2","6","6","4","6","7","1") = "6"
    & skf21("1","2","6","6","4","7","1","1") = "6"
    & skf21("1","2","6","6","4","7","2","1") = "6"
    & skf21("1","2","6","6","4","7","3","1") = "6"
    & skf21("1","2","6","6","4","7","4","1") = "6"
    & skf21("1","2","6","6","4","7","5","1") = "6"
    & skf21("1","2","6","6","4","7","6","1") = "6"
    & skf21("1","2","6","6","4","7","7","1") = "6"
    & skf21("1","2","6","6","5","1","1","1") = "5"
    & skf21("1","2","6","6","5","1","2","1") = "5"
    & skf21("1","2","6","6","5","1","3","1") = "5"
    & skf21("1","2","6","6","5","1","4","1") = "5"
    & skf21("1","2","6","6","5","1","5","1") = "5"
    & skf21("1","2","6","6","5","1","6","1") = "5"
    & skf21("1","2","6","6","5","1","7","1") = "6"
    & skf21("1","2","6","6","5","2","1","1") = "5"
    & skf21("1","2","6","6","5","2","2","1") = "5"
    & skf21("1","2","6","6","5","2","3","1") = "5"
    & skf21("1","2","6","6","5","2","4","1") = "5"
    & skf21("1","2","6","6","5","2","5","1") = "5"
    & skf21("1","2","6","6","5","2","6","1") = "5"
    & skf21("1","2","6","6","5","2","7","1") = "6"
    & skf21("1","2","6","6","5","3","1","1") = "5"
    & skf21("1","2","6","6","5","3","2","1") = "5"
    & skf21("1","2","6","6","5","3","3","1") = "5"
    & skf21("1","2","6","6","5","3","4","1") = "5"
    & skf21("1","2","6","6","5","3","5","1") = "5"
    & skf21("1","2","6","6","5","3","6","1") = "5"
    & skf21("1","2","6","6","5","3","7","1") = "6"
    & skf21("1","2","6","6","5","4","1","1") = "5"
    & skf21("1","2","6","6","5","4","2","1") = "5"
    & skf21("1","2","6","6","5","4","3","1") = "5"
    & skf21("1","2","6","6","5","4","4","1") = "5"
    & skf21("1","2","6","6","5","4","5","1") = "5"
    & skf21("1","2","6","6","5","4","6","1") = "5"
    & skf21("1","2","6","6","5","4","7","1") = "6"
    & skf21("1","2","6","6","5","5","1","1") = "5"
    & skf21("1","2","6","6","5","5","2","1") = "5"
    & skf21("1","2","6","6","5","5","3","1") = "5"
    & skf21("1","2","6","6","5","5","4","1") = "5"
    & skf21("1","2","6","6","5","5","5","1") = "5"
    & skf21("1","2","6","6","5","5","6","1") = "5"
    & skf21("1","2","6","6","5","5","7","1") = "6"
    & skf21("1","2","6","6","5","6","1","1") = "5"
    & skf21("1","2","6","6","5","6","2","1") = "5"
    & skf21("1","2","6","6","5","6","3","1") = "5"
    & skf21("1","2","6","6","5","6","4","1") = "5"
    & skf21("1","2","6","6","5","6","5","1") = "5"
    & skf21("1","2","6","6","5","6","6","1") = "5"
    & skf21("1","2","6","6","5","6","7","1") = "6"
    & skf21("1","2","6","6","5","7","1","1") = "6"
    & skf21("1","2","6","6","5","7","2","1") = "6"
    & skf21("1","2","6","6","5","7","3","1") = "6"
    & skf21("1","2","6","6","5","7","4","1") = "6"
    & skf21("1","2","6","6","5","7","5","1") = "6"
    & skf21("1","2","6","6","5","7","6","1") = "6"
    & skf21("1","2","6","6","5","7","7","1") = "6"
    & skf21("1","2","6","6","6","1","1","1") = "5"
    & skf21("1","2","6","6","6","1","2","1") = "5"
    & skf21("1","2","6","6","6","1","3","1") = "5"
    & skf21("1","2","6","6","6","1","4","1") = "5"
    & skf21("1","2","6","6","6","1","5","1") = "5"
    & skf21("1","2","6","6","6","1","6","1") = "5"
    & skf21("1","2","6","6","6","1","7","1") = "6"
    & skf21("1","2","6","6","6","2","1","1") = "5"
    & skf21("1","2","6","6","6","2","2","1") = "5"
    & skf21("1","2","6","6","6","2","3","1") = "5"
    & skf21("1","2","6","6","6","2","4","1") = "5"
    & skf21("1","2","6","6","6","2","5","1") = "5"
    & skf21("1","2","6","6","6","2","6","1") = "5"
    & skf21("1","2","6","6","6","2","7","1") = "6"
    & skf21("1","2","6","6","6","3","1","1") = "5"
    & skf21("1","2","6","6","6","3","2","1") = "5"
    & skf21("1","2","6","6","6","3","3","1") = "5"
    & skf21("1","2","6","6","6","3","4","1") = "5"
    & skf21("1","2","6","6","6","3","5","1") = "5"
    & skf21("1","2","6","6","6","3","6","1") = "5"
    & skf21("1","2","6","6","6","3","7","1") = "6"
    & skf21("1","2","6","6","6","4","1","1") = "5"
    & skf21("1","2","6","6","6","4","2","1") = "5"
    & skf21("1","2","6","6","6","4","3","1") = "5"
    & skf21("1","2","6","6","6","4","4","1") = "5"
    & skf21("1","2","6","6","6","4","5","1") = "5"
    & skf21("1","2","6","6","6","4","6","1") = "5"
    & skf21("1","2","6","6","6","4","7","1") = "6"
    & skf21("1","2","6","6","6","5","1","1") = "5"
    & skf21("1","2","6","6","6","5","2","1") = "5"
    & skf21("1","2","6","6","6","5","3","1") = "5"
    & skf21("1","2","6","6","6","5","4","1") = "5"
    & skf21("1","2","6","6","6","5","5","1") = "5"
    & skf21("1","2","6","6","6","5","6","1") = "5"
    & skf21("1","2","6","6","6","5","7","1") = "6"
    & skf21("1","2","6","6","6","6","1","1") = "5"
    & skf21("1","2","6","6","6","6","2","1") = "5"
    & skf21("1","2","6","6","6","6","3","1") = "5"
    & skf21("1","2","6","6","6","6","4","1") = "5"
    & skf21("1","2","6","6","6","6","5","1") = "5"
    & skf21("1","2","6","6","6","6","6","1") = "5"
    & skf21("1","2","6","6","6","6","7","1") = "6"
    & skf21("1","2","6","6","6","7","1","1") = "6"
    & skf21("1","2","6","6","6","7","2","1") = "6"
    & skf21("1","2","6","6","6","7","3","1") = "6"
    & skf21("1","2","6","6","6","7","4","1") = "6"
    & skf21("1","2","6","6","6","7","5","1") = "6"
    & skf21("1","2","6","6","6","7","6","1") = "6"
    & skf21("1","2","6","6","6","7","7","1") = "6"
    & skf21("1","2","6","6","7","1","1","1") = "6"
    & skf21("1","2","6","6","7","1","2","1") = "6"
    & skf21("1","2","6","6","7","1","3","1") = "6"
    & skf21("1","2","6","6","7","1","4","1") = "6"
    & skf21("1","2","6","6","7","1","5","1") = "6"
    & skf21("1","2","6","6","7","1","6","1") = "6"
    & skf21("1","2","6","6","7","1","7","1") = "6"
    & skf21("1","2","6","6","7","2","1","1") = "6"
    & skf21("1","2","6","6","7","2","2","1") = "6"
    & skf21("1","2","6","6","7","2","3","1") = "6"
    & skf21("1","2","6","6","7","2","4","1") = "6"
    & skf21("1","2","6","6","7","2","5","1") = "6"
    & skf21("1","2","6","6","7","2","6","1") = "6"
    & skf21("1","2","6","6","7","2","7","1") = "6"
    & skf21("1","2","6","6","7","3","1","1") = "6"
    & skf21("1","2","6","6","7","3","2","1") = "6"
    & skf21("1","2","6","6","7","3","3","1") = "6"
    & skf21("1","2","6","6","7","3","4","1") = "6"
    & skf21("1","2","6","6","7","3","5","1") = "6"
    & skf21("1","2","6","6","7","3","6","1") = "6"
    & skf21("1","2","6","6","7","3","7","1") = "6"
    & skf21("1","2","6","6","7","4","1","1") = "6"
    & skf21("1","2","6","6","7","4","2","1") = "6"
    & skf21("1","2","6","6","7","4","3","1") = "6"
    & skf21("1","2","6","6","7","4","4","1") = "6"
    & skf21("1","2","6","6","7","4","5","1") = "6"
    & skf21("1","2","6","6","7","4","6","1") = "6"
    & skf21("1","2","6","6","7","4","7","1") = "6"
    & skf21("1","2","6","6","7","5","1","1") = "6"
    & skf21("1","2","6","6","7","5","2","1") = "6"
    & skf21("1","2","6","6","7","5","3","1") = "6"
    & skf21("1","2","6","6","7","5","4","1") = "6"
    & skf21("1","2","6","6","7","5","5","1") = "6"
    & skf21("1","2","6","6","7","5","6","1") = "6"
    & skf21("1","2","6","6","7","5","7","1") = "6"
    & skf21("1","2","6","6","7","6","1","1") = "6"
    & skf21("1","2","6","6","7","6","2","1") = "6"
    & skf21("1","2","6","6","7","6","3","1") = "6"
    & skf21("1","2","6","6","7","6","4","1") = "6"
    & skf21("1","2","6","6","7","6","5","1") = "6"
    & skf21("1","2","6","6","7","6","6","1") = "6"
    & skf21("1","2","6","6","7","6","7","1") = "6"
    & skf21("1","2","6","6","7","7","1","1") = "6"
    & skf21("1","2","6","6","7","7","2","1") = "6"
    & skf21("1","2","6","6","7","7","3","1") = "6"
    & skf21("1","2","6","6","7","7","4","1") = "6"
    & skf21("1","2","6","6","7","7","5","1") = "6"
    & skf21("1","2","6","6","7","7","6","1") = "6"
    & skf21("1","2","6","6","7","7","7","1") = "6"
    & skf21("1","2","6","7","1","1","1","1") = "6"
    & skf21("1","2","6","7","1","1","2","1") = "6"
    & skf21("1","2","6","7","1","1","3","1") = "6"
    & skf21("1","2","6","7","1","1","4","1") = "6"
    & skf21("1","2","6","7","1","1","5","1") = "6"
    & skf21("1","2","6","7","1","1","6","1") = "6"
    & skf21("1","2","6","7","1","1","7","1") = "6"
    & skf21("1","2","6","7","1","2","1","1") = "6"
    & skf21("1","2","6","7","1","2","2","1") = "6"
    & skf21("1","2","6","7","1","2","3","1") = "6"
    & skf21("1","2","6","7","1","2","4","1") = "6"
    & skf21("1","2","6","7","1","2","5","1") = "6"
    & skf21("1","2","6","7","1","2","6","1") = "6"
    & skf21("1","2","6","7","1","2","7","1") = "6"
    & skf21("1","2","6","7","1","3","1","1") = "6"
    & skf21("1","2","6","7","1","3","2","1") = "6"
    & skf21("1","2","6","7","1","3","3","1") = "6"
    & skf21("1","2","6","7","1","3","4","1") = "6"
    & skf21("1","2","6","7","1","3","5","1") = "6"
    & skf21("1","2","6","7","1","3","6","1") = "6"
    & skf21("1","2","6","7","1","3","7","1") = "6"
    & skf21("1","2","6","7","1","4","1","1") = "6"
    & skf21("1","2","6","7","1","4","2","1") = "6"
    & skf21("1","2","6","7","1","4","3","1") = "6"
    & skf21("1","2","6","7","1","4","4","1") = "6"
    & skf21("1","2","6","7","1","4","5","1") = "6"
    & skf21("1","2","6","7","1","4","6","1") = "6"
    & skf21("1","2","6","7","1","4","7","1") = "6"
    & skf21("1","2","6","7","1","5","1","1") = "6"
    & skf21("1","2","6","7","1","5","2","1") = "6"
    & skf21("1","2","6","7","1","5","3","1") = "6"
    & skf21("1","2","6","7","1","5","4","1") = "6"
    & skf21("1","2","6","7","1","5","5","1") = "6"
    & skf21("1","2","6","7","1","5","6","1") = "6"
    & skf21("1","2","6","7","1","5","7","1") = "6"
    & skf21("1","2","6","7","1","6","1","1") = "6"
    & skf21("1","2","6","7","1","6","2","1") = "6"
    & skf21("1","2","6","7","1","6","3","1") = "6"
    & skf21("1","2","6","7","1","6","4","1") = "6"
    & skf21("1","2","6","7","1","6","5","1") = "6"
    & skf21("1","2","6","7","1","6","6","1") = "6"
    & skf21("1","2","6","7","1","6","7","1") = "6"
    & skf21("1","2","6","7","1","7","1","1") = "6"
    & skf21("1","2","6","7","1","7","2","1") = "6"
    & skf21("1","2","6","7","1","7","3","1") = "6"
    & skf21("1","2","6","7","1","7","4","1") = "6"
    & skf21("1","2","6","7","1","7","5","1") = "6"
    & skf21("1","2","6","7","1","7","6","1") = "6"
    & skf21("1","2","6","7","1","7","7","1") = "6"
    & skf21("1","2","6","7","2","1","1","1") = "6"
    & skf21("1","2","6","7","2","1","2","1") = "6"
    & skf21("1","2","6","7","2","1","3","1") = "6"
    & skf21("1","2","6","7","2","1","4","1") = "6"
    & skf21("1","2","6","7","2","1","5","1") = "6"
    & skf21("1","2","6","7","2","1","6","1") = "6"
    & skf21("1","2","6","7","2","1","7","1") = "6"
    & skf21("1","2","6","7","2","2","1","1") = "6"
    & skf21("1","2","6","7","2","2","2","1") = "6"
    & skf21("1","2","6","7","2","2","3","1") = "6"
    & skf21("1","2","6","7","2","2","4","1") = "6"
    & skf21("1","2","6","7","2","2","5","1") = "6"
    & skf21("1","2","6","7","2","2","6","1") = "6"
    & skf21("1","2","6","7","2","2","7","1") = "6"
    & skf21("1","2","6","7","2","3","1","1") = "6"
    & skf21("1","2","6","7","2","3","2","1") = "6"
    & skf21("1","2","6","7","2","3","3","1") = "6"
    & skf21("1","2","6","7","2","3","4","1") = "6"
    & skf21("1","2","6","7","2","3","5","1") = "6"
    & skf21("1","2","6","7","2","3","6","1") = "6"
    & skf21("1","2","6","7","2","3","7","1") = "6"
    & skf21("1","2","6","7","2","4","1","1") = "6"
    & skf21("1","2","6","7","2","4","2","1") = "6"
    & skf21("1","2","6","7","2","4","3","1") = "6"
    & skf21("1","2","6","7","2","4","4","1") = "6"
    & skf21("1","2","6","7","2","4","5","1") = "6"
    & skf21("1","2","6","7","2","4","6","1") = "6"
    & skf21("1","2","6","7","2","4","7","1") = "6"
    & skf21("1","2","6","7","2","5","1","1") = "6"
    & skf21("1","2","6","7","2","5","2","1") = "6"
    & skf21("1","2","6","7","2","5","3","1") = "6"
    & skf21("1","2","6","7","2","5","4","1") = "6"
    & skf21("1","2","6","7","2","5","5","1") = "6"
    & skf21("1","2","6","7","2","5","6","1") = "6"
    & skf21("1","2","6","7","2","5","7","1") = "6"
    & skf21("1","2","6","7","2","6","1","1") = "6"
    & skf21("1","2","6","7","2","6","2","1") = "6"
    & skf21("1","2","6","7","2","6","3","1") = "6"
    & skf21("1","2","6","7","2","6","4","1") = "6"
    & skf21("1","2","6","7","2","6","5","1") = "6"
    & skf21("1","2","6","7","2","6","6","1") = "6"
    & skf21("1","2","6","7","2","6","7","1") = "6"
    & skf21("1","2","6","7","2","7","1","1") = "6"
    & skf21("1","2","6","7","2","7","2","1") = "6"
    & skf21("1","2","6","7","2","7","3","1") = "6"
    & skf21("1","2","6","7","2","7","4","1") = "6"
    & skf21("1","2","6","7","2","7","5","1") = "6"
    & skf21("1","2","6","7","2","7","6","1") = "6"
    & skf21("1","2","6","7","2","7","7","1") = "6"
    & skf21("1","2","6","7","3","1","1","1") = "6"
    & skf21("1","2","6","7","3","1","2","1") = "6"
    & skf21("1","2","6","7","3","1","3","1") = "6"
    & skf21("1","2","6","7","3","1","4","1") = "6"
    & skf21("1","2","6","7","3","1","5","1") = "6"
    & skf21("1","2","6","7","3","1","6","1") = "6"
    & skf21("1","2","6","7","3","1","7","1") = "6"
    & skf21("1","2","6","7","3","2","1","1") = "6"
    & skf21("1","2","6","7","3","2","2","1") = "6"
    & skf21("1","2","6","7","3","2","3","1") = "6"
    & skf21("1","2","6","7","3","2","4","1") = "6"
    & skf21("1","2","6","7","3","2","5","1") = "6"
    & skf21("1","2","6","7","3","2","6","1") = "6"
    & skf21("1","2","6","7","3","2","7","1") = "6"
    & skf21("1","2","6","7","3","3","1","1") = "6"
    & skf21("1","2","6","7","3","3","2","1") = "6"
    & skf21("1","2","6","7","3","3","3","1") = "6"
    & skf21("1","2","6","7","3","3","4","1") = "6"
    & skf21("1","2","6","7","3","3","5","1") = "6"
    & skf21("1","2","6","7","3","3","6","1") = "6"
    & skf21("1","2","6","7","3","3","7","1") = "6"
    & skf21("1","2","6","7","3","4","1","1") = "6"
    & skf21("1","2","6","7","3","4","2","1") = "6"
    & skf21("1","2","6","7","3","4","3","1") = "6"
    & skf21("1","2","6","7","3","4","4","1") = "6"
    & skf21("1","2","6","7","3","4","5","1") = "6"
    & skf21("1","2","6","7","3","4","6","1") = "6"
    & skf21("1","2","6","7","3","4","7","1") = "6"
    & skf21("1","2","6","7","3","5","1","1") = "6"
    & skf21("1","2","6","7","3","5","2","1") = "6"
    & skf21("1","2","6","7","3","5","3","1") = "6"
    & skf21("1","2","6","7","3","5","4","1") = "6"
    & skf21("1","2","6","7","3","5","5","1") = "6"
    & skf21("1","2","6","7","3","5","6","1") = "6"
    & skf21("1","2","6","7","3","5","7","1") = "6"
    & skf21("1","2","6","7","3","6","1","1") = "6"
    & skf21("1","2","6","7","3","6","2","1") = "6"
    & skf21("1","2","6","7","3","6","3","1") = "6"
    & skf21("1","2","6","7","3","6","4","1") = "6"
    & skf21("1","2","6","7","3","6","5","1") = "6"
    & skf21("1","2","6","7","3","6","6","1") = "6"
    & skf21("1","2","6","7","3","6","7","1") = "6"
    & skf21("1","2","6","7","3","7","1","1") = "6"
    & skf21("1","2","6","7","3","7","2","1") = "6"
    & skf21("1","2","6","7","3","7","3","1") = "6"
    & skf21("1","2","6","7","3","7","4","1") = "6"
    & skf21("1","2","6","7","3","7","5","1") = "6"
    & skf21("1","2","6","7","3","7","6","1") = "6"
    & skf21("1","2","6","7","3","7","7","1") = "6"
    & skf21("1","2","6","7","4","1","1","1") = "6"
    & skf21("1","2","6","7","4","1","2","1") = "6"
    & skf21("1","2","6","7","4","1","3","1") = "6"
    & skf21("1","2","6","7","4","1","4","1") = "6"
    & skf21("1","2","6","7","4","1","5","1") = "6"
    & skf21("1","2","6","7","4","1","6","1") = "6"
    & skf21("1","2","6","7","4","1","7","1") = "6"
    & skf21("1","2","6","7","4","2","1","1") = "6"
    & skf21("1","2","6","7","4","2","2","1") = "6"
    & skf21("1","2","6","7","4","2","3","1") = "6"
    & skf21("1","2","6","7","4","2","4","1") = "6"
    & skf21("1","2","6","7","4","2","5","1") = "6"
    & skf21("1","2","6","7","4","2","6","1") = "6"
    & skf21("1","2","6","7","4","2","7","1") = "6"
    & skf21("1","2","6","7","4","3","1","1") = "6"
    & skf21("1","2","6","7","4","3","2","1") = "6"
    & skf21("1","2","6","7","4","3","3","1") = "6"
    & skf21("1","2","6","7","4","3","4","1") = "6"
    & skf21("1","2","6","7","4","3","5","1") = "6"
    & skf21("1","2","6","7","4","3","6","1") = "6"
    & skf21("1","2","6","7","4","3","7","1") = "6"
    & skf21("1","2","6","7","4","4","1","1") = "6"
    & skf21("1","2","6","7","4","4","2","1") = "6"
    & skf21("1","2","6","7","4","4","3","1") = "6"
    & skf21("1","2","6","7","4","4","4","1") = "6"
    & skf21("1","2","6","7","4","4","5","1") = "6"
    & skf21("1","2","6","7","4","4","6","1") = "6"
    & skf21("1","2","6","7","4","4","7","1") = "6"
    & skf21("1","2","6","7","4","5","1","1") = "6"
    & skf21("1","2","6","7","4","5","2","1") = "6"
    & skf21("1","2","6","7","4","5","3","1") = "6"
    & skf21("1","2","6","7","4","5","4","1") = "6"
    & skf21("1","2","6","7","4","5","5","1") = "6"
    & skf21("1","2","6","7","4","5","6","1") = "6"
    & skf21("1","2","6","7","4","5","7","1") = "6"
    & skf21("1","2","6","7","4","6","1","1") = "6"
    & skf21("1","2","6","7","4","6","2","1") = "6"
    & skf21("1","2","6","7","4","6","3","1") = "6"
    & skf21("1","2","6","7","4","6","4","1") = "6"
    & skf21("1","2","6","7","4","6","5","1") = "6"
    & skf21("1","2","6","7","4","6","6","1") = "6"
    & skf21("1","2","6","7","4","6","7","1") = "6"
    & skf21("1","2","6","7","4","7","1","1") = "6"
    & skf21("1","2","6","7","4","7","2","1") = "6"
    & skf21("1","2","6","7","4","7","3","1") = "6"
    & skf21("1","2","6","7","4","7","4","1") = "6"
    & skf21("1","2","6","7","4","7","5","1") = "6"
    & skf21("1","2","6","7","4","7","6","1") = "6"
    & skf21("1","2","6","7","4","7","7","1") = "6"
    & skf21("1","2","6","7","5","1","1","1") = "6"
    & skf21("1","2","6","7","5","1","2","1") = "6"
    & skf21("1","2","6","7","5","1","3","1") = "6"
    & skf21("1","2","6","7","5","1","4","1") = "6"
    & skf21("1","2","6","7","5","1","5","1") = "6"
    & skf21("1","2","6","7","5","1","6","1") = "6"
    & skf21("1","2","6","7","5","1","7","1") = "6"
    & skf21("1","2","6","7","5","2","1","1") = "6"
    & skf21("1","2","6","7","5","2","2","1") = "6"
    & skf21("1","2","6","7","5","2","3","1") = "6"
    & skf21("1","2","6","7","5","2","4","1") = "6"
    & skf21("1","2","6","7","5","2","5","1") = "6"
    & skf21("1","2","6","7","5","2","6","1") = "6"
    & skf21("1","2","6","7","5","2","7","1") = "6"
    & skf21("1","2","6","7","5","3","1","1") = "6"
    & skf21("1","2","6","7","5","3","2","1") = "6"
    & skf21("1","2","6","7","5","3","3","1") = "6"
    & skf21("1","2","6","7","5","3","4","1") = "6"
    & skf21("1","2","6","7","5","3","5","1") = "6"
    & skf21("1","2","6","7","5","3","6","1") = "6"
    & skf21("1","2","6","7","5","3","7","1") = "6"
    & skf21("1","2","6","7","5","4","1","1") = "6"
    & skf21("1","2","6","7","5","4","2","1") = "6"
    & skf21("1","2","6","7","5","4","3","1") = "6"
    & skf21("1","2","6","7","5","4","4","1") = "6"
    & skf21("1","2","6","7","5","4","5","1") = "6"
    & skf21("1","2","6","7","5","4","6","1") = "6"
    & skf21("1","2","6","7","5","4","7","1") = "6"
    & skf21("1","2","6","7","5","5","1","1") = "6"
    & skf21("1","2","6","7","5","5","2","1") = "6"
    & skf21("1","2","6","7","5","5","3","1") = "6"
    & skf21("1","2","6","7","5","5","4","1") = "6"
    & skf21("1","2","6","7","5","5","5","1") = "6"
    & skf21("1","2","6","7","5","5","6","1") = "6"
    & skf21("1","2","6","7","5","5","7","1") = "6"
    & skf21("1","2","6","7","5","6","1","1") = "6"
    & skf21("1","2","6","7","5","6","2","1") = "6"
    & skf21("1","2","6","7","5","6","3","1") = "6"
    & skf21("1","2","6","7","5","6","4","1") = "6"
    & skf21("1","2","6","7","5","6","5","1") = "6"
    & skf21("1","2","6","7","5","6","6","1") = "6"
    & skf21("1","2","6","7","5","6","7","1") = "6"
    & skf21("1","2","6","7","5","7","1","1") = "6"
    & skf21("1","2","6","7","5","7","2","1") = "6"
    & skf21("1","2","6","7","5","7","3","1") = "6"
    & skf21("1","2","6","7","5","7","4","1") = "6"
    & skf21("1","2","6","7","5","7","5","1") = "6"
    & skf21("1","2","6","7","5","7","6","1") = "6"
    & skf21("1","2","6","7","5","7","7","1") = "6"
    & skf21("1","2","6","7","6","1","1","1") = "6"
    & skf21("1","2","6","7","6","1","2","1") = "6"
    & skf21("1","2","6","7","6","1","3","1") = "6"
    & skf21("1","2","6","7","6","1","4","1") = "6"
    & skf21("1","2","6","7","6","1","5","1") = "6"
    & skf21("1","2","6","7","6","1","6","1") = "6"
    & skf21("1","2","6","7","6","1","7","1") = "6"
    & skf21("1","2","6","7","6","2","1","1") = "6"
    & skf21("1","2","6","7","6","2","2","1") = "6"
    & skf21("1","2","6","7","6","2","3","1") = "6"
    & skf21("1","2","6","7","6","2","4","1") = "6"
    & skf21("1","2","6","7","6","2","5","1") = "6"
    & skf21("1","2","6","7","6","2","6","1") = "6"
    & skf21("1","2","6","7","6","2","7","1") = "6"
    & skf21("1","2","6","7","6","3","1","1") = "6"
    & skf21("1","2","6","7","6","3","2","1") = "6"
    & skf21("1","2","6","7","6","3","3","1") = "6"
    & skf21("1","2","6","7","6","3","4","1") = "6"
    & skf21("1","2","6","7","6","3","5","1") = "6"
    & skf21("1","2","6","7","6","3","6","1") = "6"
    & skf21("1","2","6","7","6","3","7","1") = "6"
    & skf21("1","2","6","7","6","4","1","1") = "6"
    & skf21("1","2","6","7","6","4","2","1") = "6"
    & skf21("1","2","6","7","6","4","3","1") = "6"
    & skf21("1","2","6","7","6","4","4","1") = "6"
    & skf21("1","2","6","7","6","4","5","1") = "6"
    & skf21("1","2","6","7","6","4","6","1") = "6"
    & skf21("1","2","6","7","6","4","7","1") = "6"
    & skf21("1","2","6","7","6","5","1","1") = "6"
    & skf21("1","2","6","7","6","5","2","1") = "6"
    & skf21("1","2","6","7","6","5","3","1") = "6"
    & skf21("1","2","6","7","6","5","4","1") = "6"
    & skf21("1","2","6","7","6","5","5","1") = "6"
    & skf21("1","2","6","7","6","5","6","1") = "6"
    & skf21("1","2","6","7","6","5","7","1") = "6"
    & skf21("1","2","6","7","6","6","1","1") = "6"
    & skf21("1","2","6","7","6","6","2","1") = "6"
    & skf21("1","2","6","7","6","6","3","1") = "6"
    & skf21("1","2","6","7","6","6","4","1") = "6"
    & skf21("1","2","6","7","6","6","5","1") = "6"
    & skf21("1","2","6","7","6","6","6","1") = "6"
    & skf21("1","2","6","7","6","6","7","1") = "6"
    & skf21("1","2","6","7","6","7","1","1") = "6"
    & skf21("1","2","6","7","6","7","2","1") = "6"
    & skf21("1","2","6","7","6","7","3","1") = "6"
    & skf21("1","2","6","7","6","7","4","1") = "6"
    & skf21("1","2","6","7","6","7","5","1") = "6"
    & skf21("1","2","6","7","6","7","6","1") = "6"
    & skf21("1","2","6","7","6","7","7","1") = "6"
    & skf21("1","2","6","7","7","1","1","1") = "6"
    & skf21("1","2","6","7","7","1","2","1") = "6"
    & skf21("1","2","6","7","7","1","3","1") = "6"
    & skf21("1","2","6","7","7","1","4","1") = "6"
    & skf21("1","2","6","7","7","1","5","1") = "6"
    & skf21("1","2","6","7","7","1","6","1") = "6"
    & skf21("1","2","6","7","7","1","7","1") = "6"
    & skf21("1","2","6","7","7","2","1","1") = "6"
    & skf21("1","2","6","7","7","2","2","1") = "6"
    & skf21("1","2","6","7","7","2","3","1") = "6"
    & skf21("1","2","6","7","7","2","4","1") = "6"
    & skf21("1","2","6","7","7","2","5","1") = "6"
    & skf21("1","2","6","7","7","2","6","1") = "6"
    & skf21("1","2","6","7","7","2","7","1") = "6"
    & skf21("1","2","6","7","7","3","1","1") = "6"
    & skf21("1","2","6","7","7","3","2","1") = "6"
    & skf21("1","2","6","7","7","3","3","1") = "6"
    & skf21("1","2","6","7","7","3","4","1") = "6"
    & skf21("1","2","6","7","7","3","5","1") = "6"
    & skf21("1","2","6","7","7","3","6","1") = "6"
    & skf21("1","2","6","7","7","3","7","1") = "6"
    & skf21("1","2","6","7","7","4","1","1") = "6"
    & skf21("1","2","6","7","7","4","2","1") = "6"
    & skf21("1","2","6","7","7","4","3","1") = "6"
    & skf21("1","2","6","7","7","4","4","1") = "6"
    & skf21("1","2","6","7","7","4","5","1") = "6"
    & skf21("1","2","6","7","7","4","6","1") = "6"
    & skf21("1","2","6","7","7","4","7","1") = "6"
    & skf21("1","2","6","7","7","5","1","1") = "6"
    & skf21("1","2","6","7","7","5","2","1") = "6"
    & skf21("1","2","6","7","7","5","3","1") = "6"
    & skf21("1","2","6","7","7","5","4","1") = "6"
    & skf21("1","2","6","7","7","5","5","1") = "6"
    & skf21("1","2","6","7","7","5","6","1") = "6"
    & skf21("1","2","6","7","7","5","7","1") = "6"
    & skf21("1","2","6","7","7","6","1","1") = "6"
    & skf21("1","2","6","7","7","6","2","1") = "6"
    & skf21("1","2","6","7","7","6","3","1") = "6"
    & skf21("1","2","6","7","7","6","4","1") = "6"
    & skf21("1","2","6","7","7","6","5","1") = "6"
    & skf21("1","2","6","7","7","6","6","1") = "6"
    & skf21("1","2","6","7","7","6","7","1") = "6"
    & skf21("1","2","6","7","7","7","1","1") = "6"
    & skf21("1","2","6","7","7","7","2","1") = "6"
    & skf21("1","2","6","7","7","7","3","1") = "6"
    & skf21("1","2","6","7","7","7","4","1") = "6"
    & skf21("1","2","6","7","7","7","5","1") = "6"
    & skf21("1","2","6","7","7","7","6","1") = "6"
    & skf21("1","2","6","7","7","7","7","1") = "6"
    & skf21("1","2","7","1","1","1","1","1") = "6"
    & skf21("1","2","7","1","1","1","2","1") = "6"
    & skf21("1","2","7","1","1","1","3","1") = "6"
    & skf21("1","2","7","1","1","1","4","1") = "6"
    & skf21("1","2","7","1","1","1","5","1") = "6"
    & skf21("1","2","7","1","1","1","6","1") = "6"
    & skf21("1","2","7","1","1","1","7","1") = "6"
    & skf21("1","2","7","1","1","2","1","1") = "6"
    & skf21("1","2","7","1","1","2","2","1") = "6"
    & skf21("1","2","7","1","1","2","3","1") = "6"
    & skf21("1","2","7","1","1","2","4","1") = "6"
    & skf21("1","2","7","1","1","2","5","1") = "6"
    & skf21("1","2","7","1","1","2","6","1") = "6"
    & skf21("1","2","7","1","1","2","7","1") = "6"
    & skf21("1","2","7","1","1","3","1","1") = "6"
    & skf21("1","2","7","1","1","3","2","1") = "6"
    & skf21("1","2","7","1","1","3","3","1") = "6"
    & skf21("1","2","7","1","1","3","4","1") = "6"
    & skf21("1","2","7","1","1","3","5","1") = "6"
    & skf21("1","2","7","1","1","3","6","1") = "6"
    & skf21("1","2","7","1","1","3","7","1") = "6"
    & skf21("1","2","7","1","1","4","1","1") = "6"
    & skf21("1","2","7","1","1","4","2","1") = "6"
    & skf21("1","2","7","1","1","4","3","1") = "6"
    & skf21("1","2","7","1","1","4","4","1") = "6"
    & skf21("1","2","7","1","1","4","5","1") = "6"
    & skf21("1","2","7","1","1","4","6","1") = "6"
    & skf21("1","2","7","1","1","4","7","1") = "6"
    & skf21("1","2","7","1","1","5","1","1") = "6"
    & skf21("1","2","7","1","1","5","2","1") = "6"
    & skf21("1","2","7","1","1","5","3","1") = "6"
    & skf21("1","2","7","1","1","5","4","1") = "6"
    & skf21("1","2","7","1","1","5","5","1") = "6"
    & skf21("1","2","7","1","1","5","6","1") = "6"
    & skf21("1","2","7","1","1","5","7","1") = "6"
    & skf21("1","2","7","1","1","6","1","1") = "6"
    & skf21("1","2","7","1","1","6","2","1") = "6"
    & skf21("1","2","7","1","1","6","3","1") = "6"
    & skf21("1","2","7","1","1","6","4","1") = "6"
    & skf21("1","2","7","1","1","6","5","1") = "6"
    & skf21("1","2","7","1","1","6","6","1") = "6"
    & skf21("1","2","7","1","1","6","7","1") = "6"
    & skf21("1","2","7","1","1","7","1","1") = "6"
    & skf21("1","2","7","1","1","7","2","1") = "6"
    & skf21("1","2","7","1","1","7","3","1") = "6"
    & skf21("1","2","7","1","1","7","4","1") = "6"
    & skf21("1","2","7","1","1","7","5","1") = "6"
    & skf21("1","2","7","1","1","7","6","1") = "6"
    & skf21("1","2","7","1","1","7","7","1") = "6"
    & skf21("1","2","7","1","2","1","1","1") = "6"
    & skf21("1","2","7","1","2","1","2","1") = "6"
    & skf21("1","2","7","1","2","1","3","1") = "6"
    & skf21("1","2","7","1","2","1","4","1") = "6"
    & skf21("1","2","7","1","2","1","5","1") = "6"
    & skf21("1","2","7","1","2","1","6","1") = "6"
    & skf21("1","2","7","1","2","1","7","1") = "6"
    & skf21("1","2","7","1","2","2","1","1") = "6"
    & skf21("1","2","7","1","2","2","2","1") = "6"
    & skf21("1","2","7","1","2","2","3","1") = "6"
    & skf21("1","2","7","1","2","2","4","1") = "6"
    & skf21("1","2","7","1","2","2","5","1") = "6"
    & skf21("1","2","7","1","2","2","6","1") = "6"
    & skf21("1","2","7","1","2","2","7","1") = "6"
    & skf21("1","2","7","1","2","3","1","1") = "6"
    & skf21("1","2","7","1","2","3","2","1") = "6"
    & skf21("1","2","7","1","2","3","3","1") = "6"
    & skf21("1","2","7","1","2","3","4","1") = "6"
    & skf21("1","2","7","1","2","3","5","1") = "6"
    & skf21("1","2","7","1","2","3","6","1") = "6"
    & skf21("1","2","7","1","2","3","7","1") = "6"
    & skf21("1","2","7","1","2","4","1","1") = "6"
    & skf21("1","2","7","1","2","4","2","1") = "6"
    & skf21("1","2","7","1","2","4","3","1") = "6"
    & skf21("1","2","7","1","2","4","4","1") = "6"
    & skf21("1","2","7","1","2","4","5","1") = "6"
    & skf21("1","2","7","1","2","4","6","1") = "6"
    & skf21("1","2","7","1","2","4","7","1") = "6"
    & skf21("1","2","7","1","2","5","1","1") = "6"
    & skf21("1","2","7","1","2","5","2","1") = "6"
    & skf21("1","2","7","1","2","5","3","1") = "6"
    & skf21("1","2","7","1","2","5","4","1") = "6"
    & skf21("1","2","7","1","2","5","5","1") = "6"
    & skf21("1","2","7","1","2","5","6","1") = "6"
    & skf21("1","2","7","1","2","5","7","1") = "6"
    & skf21("1","2","7","1","2","6","1","1") = "6"
    & skf21("1","2","7","1","2","6","2","1") = "6"
    & skf21("1","2","7","1","2","6","3","1") = "6"
    & skf21("1","2","7","1","2","6","4","1") = "6"
    & skf21("1","2","7","1","2","6","5","1") = "6"
    & skf21("1","2","7","1","2","6","6","1") = "6"
    & skf21("1","2","7","1","2","6","7","1") = "6"
    & skf21("1","2","7","1","2","7","1","1") = "6"
    & skf21("1","2","7","1","2","7","2","1") = "6"
    & skf21("1","2","7","1","2","7","3","1") = "6"
    & skf21("1","2","7","1","2","7","4","1") = "6"
    & skf21("1","2","7","1","2","7","5","1") = "6"
    & skf21("1","2","7","1","2","7","6","1") = "6"
    & skf21("1","2","7","1","2","7","7","1") = "6"
    & skf21("1","2","7","1","3","1","1","1") = "6"
    & skf21("1","2","7","1","3","1","2","1") = "6"
    & skf21("1","2","7","1","3","1","3","1") = "6"
    & skf21("1","2","7","1","3","1","4","1") = "6"
    & skf21("1","2","7","1","3","1","5","1") = "6"
    & skf21("1","2","7","1","3","1","6","1") = "6"
    & skf21("1","2","7","1","3","1","7","1") = "6"
    & skf21("1","2","7","1","3","2","1","1") = "6"
    & skf21("1","2","7","1","3","2","2","1") = "6"
    & skf21("1","2","7","1","3","2","3","1") = "6"
    & skf21("1","2","7","1","3","2","4","1") = "6"
    & skf21("1","2","7","1","3","2","5","1") = "6"
    & skf21("1","2","7","1","3","2","6","1") = "6"
    & skf21("1","2","7","1","3","2","7","1") = "6"
    & skf21("1","2","7","1","3","3","1","1") = "6"
    & skf21("1","2","7","1","3","3","2","1") = "6"
    & skf21("1","2","7","1","3","3","3","1") = "6"
    & skf21("1","2","7","1","3","3","4","1") = "6"
    & skf21("1","2","7","1","3","3","5","1") = "6"
    & skf21("1","2","7","1","3","3","6","1") = "6"
    & skf21("1","2","7","1","3","3","7","1") = "6"
    & skf21("1","2","7","1","3","4","1","1") = "6"
    & skf21("1","2","7","1","3","4","2","1") = "6"
    & skf21("1","2","7","1","3","4","3","1") = "6"
    & skf21("1","2","7","1","3","4","4","1") = "6"
    & skf21("1","2","7","1","3","4","5","1") = "6"
    & skf21("1","2","7","1","3","4","6","1") = "6"
    & skf21("1","2","7","1","3","4","7","1") = "6"
    & skf21("1","2","7","1","3","5","1","1") = "6"
    & skf21("1","2","7","1","3","5","2","1") = "6"
    & skf21("1","2","7","1","3","5","3","1") = "6"
    & skf21("1","2","7","1","3","5","4","1") = "6"
    & skf21("1","2","7","1","3","5","5","1") = "6"
    & skf21("1","2","7","1","3","5","6","1") = "6"
    & skf21("1","2","7","1","3","5","7","1") = "6"
    & skf21("1","2","7","1","3","6","1","1") = "6"
    & skf21("1","2","7","1","3","6","2","1") = "6"
    & skf21("1","2","7","1","3","6","3","1") = "6"
    & skf21("1","2","7","1","3","6","4","1") = "6"
    & skf21("1","2","7","1","3","6","5","1") = "6"
    & skf21("1","2","7","1","3","6","6","1") = "6"
    & skf21("1","2","7","1","3","6","7","1") = "6"
    & skf21("1","2","7","1","3","7","1","1") = "6"
    & skf21("1","2","7","1","3","7","2","1") = "6"
    & skf21("1","2","7","1","3","7","3","1") = "6"
    & skf21("1","2","7","1","3","7","4","1") = "6"
    & skf21("1","2","7","1","3","7","5","1") = "6"
    & skf21("1","2","7","1","3","7","6","1") = "6"
    & skf21("1","2","7","1","3","7","7","1") = "6"
    & skf21("1","2","7","1","4","1","1","1") = "6"
    & skf21("1","2","7","1","4","1","2","1") = "6"
    & skf21("1","2","7","1","4","1","3","1") = "6"
    & skf21("1","2","7","1","4","1","4","1") = "6"
    & skf21("1","2","7","1","4","1","5","1") = "6"
    & skf21("1","2","7","1","4","1","6","1") = "6"
    & skf21("1","2","7","1","4","1","7","1") = "6"
    & skf21("1","2","7","1","4","2","1","1") = "6"
    & skf21("1","2","7","1","4","2","2","1") = "6"
    & skf21("1","2","7","1","4","2","3","1") = "6"
    & skf21("1","2","7","1","4","2","4","1") = "6"
    & skf21("1","2","7","1","4","2","5","1") = "6"
    & skf21("1","2","7","1","4","2","6","1") = "6"
    & skf21("1","2","7","1","4","2","7","1") = "6"
    & skf21("1","2","7","1","4","3","1","1") = "6"
    & skf21("1","2","7","1","4","3","2","1") = "6"
    & skf21("1","2","7","1","4","3","3","1") = "6"
    & skf21("1","2","7","1","4","3","4","1") = "6"
    & skf21("1","2","7","1","4","3","5","1") = "6"
    & skf21("1","2","7","1","4","3","6","1") = "6"
    & skf21("1","2","7","1","4","3","7","1") = "6"
    & skf21("1","2","7","1","4","4","1","1") = "6"
    & skf21("1","2","7","1","4","4","2","1") = "6"
    & skf21("1","2","7","1","4","4","3","1") = "6"
    & skf21("1","2","7","1","4","4","4","1") = "6"
    & skf21("1","2","7","1","4","4","5","1") = "6"
    & skf21("1","2","7","1","4","4","6","1") = "6"
    & skf21("1","2","7","1","4","4","7","1") = "6"
    & skf21("1","2","7","1","4","5","1","1") = "6"
    & skf21("1","2","7","1","4","5","2","1") = "6"
    & skf21("1","2","7","1","4","5","3","1") = "6"
    & skf21("1","2","7","1","4","5","4","1") = "6"
    & skf21("1","2","7","1","4","5","5","1") = "6"
    & skf21("1","2","7","1","4","5","6","1") = "6"
    & skf21("1","2","7","1","4","5","7","1") = "6"
    & skf21("1","2","7","1","4","6","1","1") = "6"
    & skf21("1","2","7","1","4","6","2","1") = "6"
    & skf21("1","2","7","1","4","6","3","1") = "6"
    & skf21("1","2","7","1","4","6","4","1") = "6"
    & skf21("1","2","7","1","4","6","5","1") = "6"
    & skf21("1","2","7","1","4","6","6","1") = "6"
    & skf21("1","2","7","1","4","6","7","1") = "6"
    & skf21("1","2","7","1","4","7","1","1") = "6"
    & skf21("1","2","7","1","4","7","2","1") = "6"
    & skf21("1","2","7","1","4","7","3","1") = "6"
    & skf21("1","2","7","1","4","7","4","1") = "6"
    & skf21("1","2","7","1","4","7","5","1") = "6"
    & skf21("1","2","7","1","4","7","6","1") = "6"
    & skf21("1","2","7","1","4","7","7","1") = "6"
    & skf21("1","2","7","1","5","1","1","1") = "6"
    & skf21("1","2","7","1","5","1","2","1") = "6"
    & skf21("1","2","7","1","5","1","3","1") = "6"
    & skf21("1","2","7","1","5","1","4","1") = "6"
    & skf21("1","2","7","1","5","1","5","1") = "6"
    & skf21("1","2","7","1","5","1","6","1") = "6"
    & skf21("1","2","7","1","5","1","7","1") = "6"
    & skf21("1","2","7","1","5","2","1","1") = "6"
    & skf21("1","2","7","1","5","2","2","1") = "6"
    & skf21("1","2","7","1","5","2","3","1") = "6"
    & skf21("1","2","7","1","5","2","4","1") = "6"
    & skf21("1","2","7","1","5","2","5","1") = "6"
    & skf21("1","2","7","1","5","2","6","1") = "6"
    & skf21("1","2","7","1","5","2","7","1") = "6"
    & skf21("1","2","7","1","5","3","1","1") = "6"
    & skf21("1","2","7","1","5","3","2","1") = "6"
    & skf21("1","2","7","1","5","3","3","1") = "6"
    & skf21("1","2","7","1","5","3","4","1") = "6"
    & skf21("1","2","7","1","5","3","5","1") = "6"
    & skf21("1","2","7","1","5","3","6","1") = "6"
    & skf21("1","2","7","1","5","3","7","1") = "6"
    & skf21("1","2","7","1","5","4","1","1") = "6"
    & skf21("1","2","7","1","5","4","2","1") = "6"
    & skf21("1","2","7","1","5","4","3","1") = "6"
    & skf21("1","2","7","1","5","4","4","1") = "6"
    & skf21("1","2","7","1","5","4","5","1") = "6"
    & skf21("1","2","7","1","5","4","6","1") = "6"
    & skf21("1","2","7","1","5","4","7","1") = "6"
    & skf21("1","2","7","1","5","5","1","1") = "6"
    & skf21("1","2","7","1","5","5","2","1") = "6"
    & skf21("1","2","7","1","5","5","3","1") = "6"
    & skf21("1","2","7","1","5","5","4","1") = "6"
    & skf21("1","2","7","1","5","5","5","1") = "6"
    & skf21("1","2","7","1","5","5","6","1") = "6"
    & skf21("1","2","7","1","5","5","7","1") = "6"
    & skf21("1","2","7","1","5","6","1","1") = "6"
    & skf21("1","2","7","1","5","6","2","1") = "6"
    & skf21("1","2","7","1","5","6","3","1") = "6"
    & skf21("1","2","7","1","5","6","4","1") = "6"
    & skf21("1","2","7","1","5","6","5","1") = "6"
    & skf21("1","2","7","1","5","6","6","1") = "6"
    & skf21("1","2","7","1","5","6","7","1") = "6"
    & skf21("1","2","7","1","5","7","1","1") = "6"
    & skf21("1","2","7","1","5","7","2","1") = "6"
    & skf21("1","2","7","1","5","7","3","1") = "6"
    & skf21("1","2","7","1","5","7","4","1") = "6"
    & skf21("1","2","7","1","5","7","5","1") = "6"
    & skf21("1","2","7","1","5","7","6","1") = "6"
    & skf21("1","2","7","1","5","7","7","1") = "6"
    & skf21("1","2","7","1","6","1","1","1") = "6"
    & skf21("1","2","7","1","6","1","2","1") = "6"
    & skf21("1","2","7","1","6","1","3","1") = "6"
    & skf21("1","2","7","1","6","1","4","1") = "6"
    & skf21("1","2","7","1","6","1","5","1") = "6"
    & skf21("1","2","7","1","6","1","6","1") = "6"
    & skf21("1","2","7","1","6","1","7","1") = "6"
    & skf21("1","2","7","1","6","2","1","1") = "6"
    & skf21("1","2","7","1","6","2","2","1") = "6"
    & skf21("1","2","7","1","6","2","3","1") = "6"
    & skf21("1","2","7","1","6","2","4","1") = "6"
    & skf21("1","2","7","1","6","2","5","1") = "6"
    & skf21("1","2","7","1","6","2","6","1") = "6"
    & skf21("1","2","7","1","6","2","7","1") = "6"
    & skf21("1","2","7","1","6","3","1","1") = "6"
    & skf21("1","2","7","1","6","3","2","1") = "6"
    & skf21("1","2","7","1","6","3","3","1") = "6"
    & skf21("1","2","7","1","6","3","4","1") = "6"
    & skf21("1","2","7","1","6","3","5","1") = "6"
    & skf21("1","2","7","1","6","3","6","1") = "6"
    & skf21("1","2","7","1","6","3","7","1") = "6"
    & skf21("1","2","7","1","6","4","1","1") = "6"
    & skf21("1","2","7","1","6","4","2","1") = "6"
    & skf21("1","2","7","1","6","4","3","1") = "6"
    & skf21("1","2","7","1","6","4","4","1") = "6"
    & skf21("1","2","7","1","6","4","5","1") = "6"
    & skf21("1","2","7","1","6","4","6","1") = "6"
    & skf21("1","2","7","1","6","4","7","1") = "6"
    & skf21("1","2","7","1","6","5","1","1") = "6"
    & skf21("1","2","7","1","6","5","2","1") = "6"
    & skf21("1","2","7","1","6","5","3","1") = "6"
    & skf21("1","2","7","1","6","5","4","1") = "6"
    & skf21("1","2","7","1","6","5","5","1") = "6"
    & skf21("1","2","7","1","6","5","6","1") = "6"
    & skf21("1","2","7","1","6","5","7","1") = "6"
    & skf21("1","2","7","1","6","6","1","1") = "6"
    & skf21("1","2","7","1","6","6","2","1") = "6"
    & skf21("1","2","7","1","6","6","3","1") = "6"
    & skf21("1","2","7","1","6","6","4","1") = "6"
    & skf21("1","2","7","1","6","6","5","1") = "6"
    & skf21("1","2","7","1","6","6","6","1") = "6"
    & skf21("1","2","7","1","6","6","7","1") = "6"
    & skf21("1","2","7","1","6","7","1","1") = "6"
    & skf21("1","2","7","1","6","7","2","1") = "6"
    & skf21("1","2","7","1","6","7","3","1") = "6"
    & skf21("1","2","7","1","6","7","4","1") = "6"
    & skf21("1","2","7","1","6","7","5","1") = "6"
    & skf21("1","2","7","1","6","7","6","1") = "6"
    & skf21("1","2","7","1","6","7","7","1") = "6"
    & skf21("1","2","7","1","7","1","1","1") = "6"
    & skf21("1","2","7","1","7","1","2","1") = "6"
    & skf21("1","2","7","1","7","1","3","1") = "6"
    & skf21("1","2","7","1","7","1","4","1") = "6"
    & skf21("1","2","7","1","7","1","5","1") = "6"
    & skf21("1","2","7","1","7","1","6","1") = "6"
    & skf21("1","2","7","1","7","1","7","1") = "6"
    & skf21("1","2","7","1","7","2","1","1") = "6"
    & skf21("1","2","7","1","7","2","2","1") = "6"
    & skf21("1","2","7","1","7","2","3","1") = "6"
    & skf21("1","2","7","1","7","2","4","1") = "6"
    & skf21("1","2","7","1","7","2","5","1") = "6"
    & skf21("1","2","7","1","7","2","6","1") = "6"
    & skf21("1","2","7","1","7","2","7","1") = "6"
    & skf21("1","2","7","1","7","3","1","1") = "6"
    & skf21("1","2","7","1","7","3","2","1") = "6"
    & skf21("1","2","7","1","7","3","3","1") = "6"
    & skf21("1","2","7","1","7","3","4","1") = "6"
    & skf21("1","2","7","1","7","3","5","1") = "6"
    & skf21("1","2","7","1","7","3","6","1") = "6"
    & skf21("1","2","7","1","7","3","7","1") = "6"
    & skf21("1","2","7","1","7","4","1","1") = "6"
    & skf21("1","2","7","1","7","4","2","1") = "6"
    & skf21("1","2","7","1","7","4","3","1") = "6"
    & skf21("1","2","7","1","7","4","4","1") = "6"
    & skf21("1","2","7","1","7","4","5","1") = "6"
    & skf21("1","2","7","1","7","4","6","1") = "6"
    & skf21("1","2","7","1","7","4","7","1") = "6"
    & skf21("1","2","7","1","7","5","1","1") = "6"
    & skf21("1","2","7","1","7","5","2","1") = "6"
    & skf21("1","2","7","1","7","5","3","1") = "6"
    & skf21("1","2","7","1","7","5","4","1") = "6"
    & skf21("1","2","7","1","7","5","5","1") = "6"
    & skf21("1","2","7","1","7","5","6","1") = "6"
    & skf21("1","2","7","1","7","5","7","1") = "6"
    & skf21("1","2","7","1","7","6","1","1") = "6"
    & skf21("1","2","7","1","7","6","2","1") = "6"
    & skf21("1","2","7","1","7","6","3","1") = "6"
    & skf21("1","2","7","1","7","6","4","1") = "6"
    & skf21("1","2","7","1","7","6","5","1") = "6"
    & skf21("1","2","7","1","7","6","6","1") = "6"
    & skf21("1","2","7","1","7","6","7","1") = "6"
    & skf21("1","2","7","1","7","7","1","1") = "6"
    & skf21("1","2","7","1","7","7","2","1") = "6"
    & skf21("1","2","7","1","7","7","3","1") = "6"
    & skf21("1","2","7","1","7","7","4","1") = "6"
    & skf21("1","2","7","1","7","7","5","1") = "6"
    & skf21("1","2","7","1","7","7","6","1") = "6"
    & skf21("1","2","7","1","7","7","7","1") = "6"
    & skf21("1","2","7","2","1","1","1","1") = "6"
    & skf21("1","2","7","2","1","1","2","1") = "6"
    & skf21("1","2","7","2","1","1","3","1") = "6"
    & skf21("1","2","7","2","1","1","4","1") = "6"
    & skf21("1","2","7","2","1","1","5","1") = "6"
    & skf21("1","2","7","2","1","1","6","1") = "6"
    & skf21("1","2","7","2","1","1","7","1") = "6"
    & skf21("1","2","7","2","1","2","1","1") = "6"
    & skf21("1","2","7","2","1","2","2","1") = "6"
    & skf21("1","2","7","2","1","2","3","1") = "6"
    & skf21("1","2","7","2","1","2","4","1") = "6"
    & skf21("1","2","7","2","1","2","5","1") = "6"
    & skf21("1","2","7","2","1","2","6","1") = "6"
    & skf21("1","2","7","2","1","2","7","1") = "6"
    & skf21("1","2","7","2","1","3","1","1") = "6"
    & skf21("1","2","7","2","1","3","2","1") = "6"
    & skf21("1","2","7","2","1","3","3","1") = "6"
    & skf21("1","2","7","2","1","3","4","1") = "6"
    & skf21("1","2","7","2","1","3","5","1") = "6"
    & skf21("1","2","7","2","1","3","6","1") = "6"
    & skf21("1","2","7","2","1","3","7","1") = "6"
    & skf21("1","2","7","2","1","4","1","1") = "6"
    & skf21("1","2","7","2","1","4","2","1") = "6"
    & skf21("1","2","7","2","1","4","3","1") = "6"
    & skf21("1","2","7","2","1","4","4","1") = "6"
    & skf21("1","2","7","2","1","4","5","1") = "6"
    & skf21("1","2","7","2","1","4","6","1") = "6"
    & skf21("1","2","7","2","1","4","7","1") = "6"
    & skf21("1","2","7","2","1","5","1","1") = "6"
    & skf21("1","2","7","2","1","5","2","1") = "6"
    & skf21("1","2","7","2","1","5","3","1") = "6"
    & skf21("1","2","7","2","1","5","4","1") = "6"
    & skf21("1","2","7","2","1","5","5","1") = "6"
    & skf21("1","2","7","2","1","5","6","1") = "6"
    & skf21("1","2","7","2","1","5","7","1") = "6"
    & skf21("1","2","7","2","1","6","1","1") = "6"
    & skf21("1","2","7","2","1","6","2","1") = "6"
    & skf21("1","2","7","2","1","6","3","1") = "6"
    & skf21("1","2","7","2","1","6","4","1") = "6"
    & skf21("1","2","7","2","1","6","5","1") = "6"
    & skf21("1","2","7","2","1","6","6","1") = "6"
    & skf21("1","2","7","2","1","6","7","1") = "6"
    & skf21("1","2","7","2","1","7","1","1") = "6"
    & skf21("1","2","7","2","1","7","2","1") = "6"
    & skf21("1","2","7","2","1","7","3","1") = "6"
    & skf21("1","2","7","2","1","7","4","1") = "6"
    & skf21("1","2","7","2","1","7","5","1") = "6"
    & skf21("1","2","7","2","1","7","6","1") = "6"
    & skf21("1","2","7","2","1","7","7","1") = "6"
    & skf21("1","2","7","2","2","1","1","1") = "6"
    & skf21("1","2","7","2","2","1","2","1") = "6"
    & skf21("1","2","7","2","2","1","3","1") = "6"
    & skf21("1","2","7","2","2","1","4","1") = "6"
    & skf21("1","2","7","2","2","1","5","1") = "6"
    & skf21("1","2","7","2","2","1","6","1") = "6"
    & skf21("1","2","7","2","2","1","7","1") = "6"
    & skf21("1","2","7","2","2","2","1","1") = "6"
    & skf21("1","2","7","2","2","2","2","1") = "6"
    & skf21("1","2","7","2","2","2","3","1") = "6"
    & skf21("1","2","7","2","2","2","4","1") = "6"
    & skf21("1","2","7","2","2","2","5","1") = "6"
    & skf21("1","2","7","2","2","2","6","1") = "6"
    & skf21("1","2","7","2","2","2","7","1") = "6"
    & skf21("1","2","7","2","2","3","1","1") = "6"
    & skf21("1","2","7","2","2","3","2","1") = "6"
    & skf21("1","2","7","2","2","3","3","1") = "6"
    & skf21("1","2","7","2","2","3","4","1") = "6"
    & skf21("1","2","7","2","2","3","5","1") = "6"
    & skf21("1","2","7","2","2","3","6","1") = "6"
    & skf21("1","2","7","2","2","3","7","1") = "6"
    & skf21("1","2","7","2","2","4","1","1") = "6"
    & skf21("1","2","7","2","2","4","2","1") = "6"
    & skf21("1","2","7","2","2","4","3","1") = "6"
    & skf21("1","2","7","2","2","4","4","1") = "6"
    & skf21("1","2","7","2","2","4","5","1") = "6"
    & skf21("1","2","7","2","2","4","6","1") = "6"
    & skf21("1","2","7","2","2","4","7","1") = "6"
    & skf21("1","2","7","2","2","5","1","1") = "6"
    & skf21("1","2","7","2","2","5","2","1") = "6"
    & skf21("1","2","7","2","2","5","3","1") = "6"
    & skf21("1","2","7","2","2","5","4","1") = "6"
    & skf21("1","2","7","2","2","5","5","1") = "6"
    & skf21("1","2","7","2","2","5","6","1") = "6"
    & skf21("1","2","7","2","2","5","7","1") = "6"
    & skf21("1","2","7","2","2","6","1","1") = "6"
    & skf21("1","2","7","2","2","6","2","1") = "6"
    & skf21("1","2","7","2","2","6","3","1") = "6"
    & skf21("1","2","7","2","2","6","4","1") = "6"
    & skf21("1","2","7","2","2","6","5","1") = "6"
    & skf21("1","2","7","2","2","6","6","1") = "6"
    & skf21("1","2","7","2","2","6","7","1") = "6"
    & skf21("1","2","7","2","2","7","1","1") = "6"
    & skf21("1","2","7","2","2","7","2","1") = "6"
    & skf21("1","2","7","2","2","7","3","1") = "6"
    & skf21("1","2","7","2","2","7","4","1") = "6"
    & skf21("1","2","7","2","2","7","5","1") = "6"
    & skf21("1","2","7","2","2","7","6","1") = "6"
    & skf21("1","2","7","2","2","7","7","1") = "6"
    & skf21("1","2","7","2","3","1","1","1") = "6"
    & skf21("1","2","7","2","3","1","2","1") = "6"
    & skf21("1","2","7","2","3","1","3","1") = "6"
    & skf21("1","2","7","2","3","1","4","1") = "6"
    & skf21("1","2","7","2","3","1","5","1") = "6"
    & skf21("1","2","7","2","3","1","6","1") = "6"
    & skf21("1","2","7","2","3","1","7","1") = "6"
    & skf21("1","2","7","2","3","2","1","1") = "6"
    & skf21("1","2","7","2","3","2","2","1") = "6"
    & skf21("1","2","7","2","3","2","3","1") = "6"
    & skf21("1","2","7","2","3","2","4","1") = "6"
    & skf21("1","2","7","2","3","2","5","1") = "6"
    & skf21("1","2","7","2","3","2","6","1") = "6"
    & skf21("1","2","7","2","3","2","7","1") = "6"
    & skf21("1","2","7","2","3","3","1","1") = "6"
    & skf21("1","2","7","2","3","3","2","1") = "6"
    & skf21("1","2","7","2","3","3","3","1") = "6"
    & skf21("1","2","7","2","3","3","4","1") = "6"
    & skf21("1","2","7","2","3","3","5","1") = "6"
    & skf21("1","2","7","2","3","3","6","1") = "6"
    & skf21("1","2","7","2","3","3","7","1") = "6"
    & skf21("1","2","7","2","3","4","1","1") = "6"
    & skf21("1","2","7","2","3","4","2","1") = "6"
    & skf21("1","2","7","2","3","4","3","1") = "6"
    & skf21("1","2","7","2","3","4","4","1") = "6"
    & skf21("1","2","7","2","3","4","5","1") = "6"
    & skf21("1","2","7","2","3","4","6","1") = "6"
    & skf21("1","2","7","2","3","4","7","1") = "6"
    & skf21("1","2","7","2","3","5","1","1") = "6"
    & skf21("1","2","7","2","3","5","2","1") = "6"
    & skf21("1","2","7","2","3","5","3","1") = "6"
    & skf21("1","2","7","2","3","5","4","1") = "6"
    & skf21("1","2","7","2","3","5","5","1") = "6"
    & skf21("1","2","7","2","3","5","6","1") = "6"
    & skf21("1","2","7","2","3","5","7","1") = "6"
    & skf21("1","2","7","2","3","6","1","1") = "6"
    & skf21("1","2","7","2","3","6","2","1") = "6"
    & skf21("1","2","7","2","3","6","3","1") = "6"
    & skf21("1","2","7","2","3","6","4","1") = "6"
    & skf21("1","2","7","2","3","6","5","1") = "6"
    & skf21("1","2","7","2","3","6","6","1") = "6"
    & skf21("1","2","7","2","3","6","7","1") = "6"
    & skf21("1","2","7","2","3","7","1","1") = "6"
    & skf21("1","2","7","2","3","7","2","1") = "6"
    & skf21("1","2","7","2","3","7","3","1") = "6"
    & skf21("1","2","7","2","3","7","4","1") = "6"
    & skf21("1","2","7","2","3","7","5","1") = "6"
    & skf21("1","2","7","2","3","7","6","1") = "6"
    & skf21("1","2","7","2","3","7","7","1") = "6"
    & skf21("1","2","7","2","4","1","1","1") = "6"
    & skf21("1","2","7","2","4","1","2","1") = "6"
    & skf21("1","2","7","2","4","1","3","1") = "6"
    & skf21("1","2","7","2","4","1","4","1") = "6"
    & skf21("1","2","7","2","4","1","5","1") = "6"
    & skf21("1","2","7","2","4","1","6","1") = "6"
    & skf21("1","2","7","2","4","1","7","1") = "6"
    & skf21("1","2","7","2","4","2","1","1") = "6"
    & skf21("1","2","7","2","4","2","2","1") = "6"
    & skf21("1","2","7","2","4","2","3","1") = "6"
    & skf21("1","2","7","2","4","2","4","1") = "6"
    & skf21("1","2","7","2","4","2","5","1") = "6"
    & skf21("1","2","7","2","4","2","6","1") = "6"
    & skf21("1","2","7","2","4","2","7","1") = "6"
    & skf21("1","2","7","2","4","3","1","1") = "6"
    & skf21("1","2","7","2","4","3","2","1") = "6"
    & skf21("1","2","7","2","4","3","3","1") = "6"
    & skf21("1","2","7","2","4","3","4","1") = "6"
    & skf21("1","2","7","2","4","3","5","1") = "6"
    & skf21("1","2","7","2","4","3","6","1") = "6"
    & skf21("1","2","7","2","4","3","7","1") = "6"
    & skf21("1","2","7","2","4","4","1","1") = "6"
    & skf21("1","2","7","2","4","4","2","1") = "6"
    & skf21("1","2","7","2","4","4","3","1") = "6"
    & skf21("1","2","7","2","4","4","4","1") = "6"
    & skf21("1","2","7","2","4","4","5","1") = "6"
    & skf21("1","2","7","2","4","4","6","1") = "6"
    & skf21("1","2","7","2","4","4","7","1") = "6"
    & skf21("1","2","7","2","4","5","1","1") = "6"
    & skf21("1","2","7","2","4","5","2","1") = "6"
    & skf21("1","2","7","2","4","5","3","1") = "6"
    & skf21("1","2","7","2","4","5","4","1") = "6"
    & skf21("1","2","7","2","4","5","5","1") = "6"
    & skf21("1","2","7","2","4","5","6","1") = "6"
    & skf21("1","2","7","2","4","5","7","1") = "6"
    & skf21("1","2","7","2","4","6","1","1") = "6"
    & skf21("1","2","7","2","4","6","2","1") = "6"
    & skf21("1","2","7","2","4","6","3","1") = "6"
    & skf21("1","2","7","2","4","6","4","1") = "6"
    & skf21("1","2","7","2","4","6","5","1") = "6"
    & skf21("1","2","7","2","4","6","6","1") = "6"
    & skf21("1","2","7","2","4","6","7","1") = "6"
    & skf21("1","2","7","2","4","7","1","1") = "6"
    & skf21("1","2","7","2","4","7","2","1") = "6"
    & skf21("1","2","7","2","4","7","3","1") = "6"
    & skf21("1","2","7","2","4","7","4","1") = "6"
    & skf21("1","2","7","2","4","7","5","1") = "6"
    & skf21("1","2","7","2","4","7","6","1") = "6"
    & skf21("1","2","7","2","4","7","7","1") = "6"
    & skf21("1","2","7","2","5","1","1","1") = "6"
    & skf21("1","2","7","2","5","1","2","1") = "6"
    & skf21("1","2","7","2","5","1","3","1") = "6"
    & skf21("1","2","7","2","5","1","4","1") = "6"
    & skf21("1","2","7","2","5","1","5","1") = "6"
    & skf21("1","2","7","2","5","1","6","1") = "6"
    & skf21("1","2","7","2","5","1","7","1") = "6"
    & skf21("1","2","7","2","5","2","1","1") = "6"
    & skf21("1","2","7","2","5","2","2","1") = "6"
    & skf21("1","2","7","2","5","2","3","1") = "6"
    & skf21("1","2","7","2","5","2","4","1") = "6"
    & skf21("1","2","7","2","5","2","5","1") = "6"
    & skf21("1","2","7","2","5","2","6","1") = "6"
    & skf21("1","2","7","2","5","2","7","1") = "6"
    & skf21("1","2","7","2","5","3","1","1") = "6"
    & skf21("1","2","7","2","5","3","2","1") = "6"
    & skf21("1","2","7","2","5","3","3","1") = "6"
    & skf21("1","2","7","2","5","3","4","1") = "6"
    & skf21("1","2","7","2","5","3","5","1") = "6"
    & skf21("1","2","7","2","5","3","6","1") = "6"
    & skf21("1","2","7","2","5","3","7","1") = "6"
    & skf21("1","2","7","2","5","4","1","1") = "6"
    & skf21("1","2","7","2","5","4","2","1") = "6"
    & skf21("1","2","7","2","5","4","3","1") = "6"
    & skf21("1","2","7","2","5","4","4","1") = "6"
    & skf21("1","2","7","2","5","4","5","1") = "6"
    & skf21("1","2","7","2","5","4","6","1") = "6"
    & skf21("1","2","7","2","5","4","7","1") = "6"
    & skf21("1","2","7","2","5","5","1","1") = "6"
    & skf21("1","2","7","2","5","5","2","1") = "6"
    & skf21("1","2","7","2","5","5","3","1") = "6"
    & skf21("1","2","7","2","5","5","4","1") = "6"
    & skf21("1","2","7","2","5","5","5","1") = "6"
    & skf21("1","2","7","2","5","5","6","1") = "6"
    & skf21("1","2","7","2","5","5","7","1") = "6"
    & skf21("1","2","7","2","5","6","1","1") = "6"
    & skf21("1","2","7","2","5","6","2","1") = "6"
    & skf21("1","2","7","2","5","6","3","1") = "6"
    & skf21("1","2","7","2","5","6","4","1") = "6"
    & skf21("1","2","7","2","5","6","5","1") = "6"
    & skf21("1","2","7","2","5","6","6","1") = "6"
    & skf21("1","2","7","2","5","6","7","1") = "6"
    & skf21("1","2","7","2","5","7","1","1") = "6"
    & skf21("1","2","7","2","5","7","2","1") = "6"
    & skf21("1","2","7","2","5","7","3","1") = "6"
    & skf21("1","2","7","2","5","7","4","1") = "6"
    & skf21("1","2","7","2","5","7","5","1") = "6"
    & skf21("1","2","7","2","5","7","6","1") = "6"
    & skf21("1","2","7","2","5","7","7","1") = "6"
    & skf21("1","2","7","2","6","1","1","1") = "6"
    & skf21("1","2","7","2","6","1","2","1") = "6"
    & skf21("1","2","7","2","6","1","3","1") = "6"
    & skf21("1","2","7","2","6","1","4","1") = "6"
    & skf21("1","2","7","2","6","1","5","1") = "6"
    & skf21("1","2","7","2","6","1","6","1") = "6"
    & skf21("1","2","7","2","6","1","7","1") = "6"
    & skf21("1","2","7","2","6","2","1","1") = "6"
    & skf21("1","2","7","2","6","2","2","1") = "6"
    & skf21("1","2","7","2","6","2","3","1") = "6"
    & skf21("1","2","7","2","6","2","4","1") = "6"
    & skf21("1","2","7","2","6","2","5","1") = "6"
    & skf21("1","2","7","2","6","2","6","1") = "6"
    & skf21("1","2","7","2","6","2","7","1") = "6"
    & skf21("1","2","7","2","6","3","1","1") = "6"
    & skf21("1","2","7","2","6","3","2","1") = "6"
    & skf21("1","2","7","2","6","3","3","1") = "6"
    & skf21("1","2","7","2","6","3","4","1") = "6"
    & skf21("1","2","7","2","6","3","5","1") = "6"
    & skf21("1","2","7","2","6","3","6","1") = "6"
    & skf21("1","2","7","2","6","3","7","1") = "6"
    & skf21("1","2","7","2","6","4","1","1") = "6"
    & skf21("1","2","7","2","6","4","2","1") = "6"
    & skf21("1","2","7","2","6","4","3","1") = "6"
    & skf21("1","2","7","2","6","4","4","1") = "6"
    & skf21("1","2","7","2","6","4","5","1") = "6"
    & skf21("1","2","7","2","6","4","6","1") = "6"
    & skf21("1","2","7","2","6","4","7","1") = "6"
    & skf21("1","2","7","2","6","5","1","1") = "6"
    & skf21("1","2","7","2","6","5","2","1") = "6"
    & skf21("1","2","7","2","6","5","3","1") = "6"
    & skf21("1","2","7","2","6","5","4","1") = "6"
    & skf21("1","2","7","2","6","5","5","1") = "6"
    & skf21("1","2","7","2","6","5","6","1") = "6"
    & skf21("1","2","7","2","6","5","7","1") = "6"
    & skf21("1","2","7","2","6","6","1","1") = "6"
    & skf21("1","2","7","2","6","6","2","1") = "6"
    & skf21("1","2","7","2","6","6","3","1") = "6"
    & skf21("1","2","7","2","6","6","4","1") = "6"
    & skf21("1","2","7","2","6","6","5","1") = "6"
    & skf21("1","2","7","2","6","6","6","1") = "6"
    & skf21("1","2","7","2","6","6","7","1") = "6"
    & skf21("1","2","7","2","6","7","1","1") = "6"
    & skf21("1","2","7","2","6","7","2","1") = "6"
    & skf21("1","2","7","2","6","7","3","1") = "6"
    & skf21("1","2","7","2","6","7","4","1") = "6"
    & skf21("1","2","7","2","6","7","5","1") = "6"
    & skf21("1","2","7","2","6","7","6","1") = "6"
    & skf21("1","2","7","2","6","7","7","1") = "6"
    & skf21("1","2","7","2","7","1","1","1") = "6"
    & skf21("1","2","7","2","7","1","2","1") = "6"
    & skf21("1","2","7","2","7","1","3","1") = "6"
    & skf21("1","2","7","2","7","1","4","1") = "6"
    & skf21("1","2","7","2","7","1","5","1") = "6"
    & skf21("1","2","7","2","7","1","6","1") = "6"
    & skf21("1","2","7","2","7","1","7","1") = "6"
    & skf21("1","2","7","2","7","2","1","1") = "6"
    & skf21("1","2","7","2","7","2","2","1") = "6"
    & skf21("1","2","7","2","7","2","3","1") = "6"
    & skf21("1","2","7","2","7","2","4","1") = "6"
    & skf21("1","2","7","2","7","2","5","1") = "6"
    & skf21("1","2","7","2","7","2","6","1") = "6"
    & skf21("1","2","7","2","7","2","7","1") = "6"
    & skf21("1","2","7","2","7","3","1","1") = "6"
    & skf21("1","2","7","2","7","3","2","1") = "6"
    & skf21("1","2","7","2","7","3","3","1") = "6"
    & skf21("1","2","7","2","7","3","4","1") = "6"
    & skf21("1","2","7","2","7","3","5","1") = "6"
    & skf21("1","2","7","2","7","3","6","1") = "6"
    & skf21("1","2","7","2","7","3","7","1") = "6"
    & skf21("1","2","7","2","7","4","1","1") = "6"
    & skf21("1","2","7","2","7","4","2","1") = "6"
    & skf21("1","2","7","2","7","4","3","1") = "6"
    & skf21("1","2","7","2","7","4","4","1") = "6"
    & skf21("1","2","7","2","7","4","5","1") = "6"
    & skf21("1","2","7","2","7","4","6","1") = "6"
    & skf21("1","2","7","2","7","4","7","1") = "6"
    & skf21("1","2","7","2","7","5","1","1") = "6"
    & skf21("1","2","7","2","7","5","2","1") = "6"
    & skf21("1","2","7","2","7","5","3","1") = "6"
    & skf21("1","2","7","2","7","5","4","1") = "6"
    & skf21("1","2","7","2","7","5","5","1") = "6"
    & skf21("1","2","7","2","7","5","6","1") = "6"
    & skf21("1","2","7","2","7","5","7","1") = "6"
    & skf21("1","2","7","2","7","6","1","1") = "6"
    & skf21("1","2","7","2","7","6","2","1") = "6"
    & skf21("1","2","7","2","7","6","3","1") = "6"
    & skf21("1","2","7","2","7","6","4","1") = "6"
    & skf21("1","2","7","2","7","6","5","1") = "6"
    & skf21("1","2","7","2","7","6","6","1") = "6"
    & skf21("1","2","7","2","7","6","7","1") = "6"
    & skf21("1","2","7","2","7","7","1","1") = "6"
    & skf21("1","2","7","2","7","7","2","1") = "6"
    & skf21("1","2","7","2","7","7","3","1") = "6"
    & skf21("1","2","7","2","7","7","4","1") = "6"
    & skf21("1","2","7","2","7","7","5","1") = "6"
    & skf21("1","2","7","2","7","7","6","1") = "6"
    & skf21("1","2","7","2","7","7","7","1") = "6"
    & skf21("1","2","7","3","1","1","1","1") = "6"
    & skf21("1","2","7","3","1","1","2","1") = "6"
    & skf21("1","2","7","3","1","1","3","1") = "6"
    & skf21("1","2","7","3","1","1","4","1") = "6"
    & skf21("1","2","7","3","1","1","5","1") = "6"
    & skf21("1","2","7","3","1","1","6","1") = "6"
    & skf21("1","2","7","3","1","1","7","1") = "6"
    & skf21("1","2","7","3","1","2","1","1") = "6"
    & skf21("1","2","7","3","1","2","2","1") = "6"
    & skf21("1","2","7","3","1","2","3","1") = "6"
    & skf21("1","2","7","3","1","2","4","1") = "6"
    & skf21("1","2","7","3","1","2","5","1") = "6"
    & skf21("1","2","7","3","1","2","6","1") = "6"
    & skf21("1","2","7","3","1","2","7","1") = "6"
    & skf21("1","2","7","3","1","3","1","1") = "6"
    & skf21("1","2","7","3","1","3","2","1") = "6"
    & skf21("1","2","7","3","1","3","3","1") = "6"
    & skf21("1","2","7","3","1","3","4","1") = "6"
    & skf21("1","2","7","3","1","3","5","1") = "6"
    & skf21("1","2","7","3","1","3","6","1") = "6"
    & skf21("1","2","7","3","1","3","7","1") = "6"
    & skf21("1","2","7","3","1","4","1","1") = "6"
    & skf21("1","2","7","3","1","4","2","1") = "6"
    & skf21("1","2","7","3","1","4","3","1") = "6"
    & skf21("1","2","7","3","1","4","4","1") = "6"
    & skf21("1","2","7","3","1","4","5","1") = "6"
    & skf21("1","2","7","3","1","4","6","1") = "6"
    & skf21("1","2","7","3","1","4","7","1") = "6"
    & skf21("1","2","7","3","1","5","1","1") = "6"
    & skf21("1","2","7","3","1","5","2","1") = "6"
    & skf21("1","2","7","3","1","5","3","1") = "6"
    & skf21("1","2","7","3","1","5","4","1") = "6"
    & skf21("1","2","7","3","1","5","5","1") = "6"
    & skf21("1","2","7","3","1","5","6","1") = "6"
    & skf21("1","2","7","3","1","5","7","1") = "6"
    & skf21("1","2","7","3","1","6","1","1") = "6"
    & skf21("1","2","7","3","1","6","2","1") = "6"
    & skf21("1","2","7","3","1","6","3","1") = "6"
    & skf21("1","2","7","3","1","6","4","1") = "6"
    & skf21("1","2","7","3","1","6","5","1") = "6"
    & skf21("1","2","7","3","1","6","6","1") = "6"
    & skf21("1","2","7","3","1","6","7","1") = "6"
    & skf21("1","2","7","3","1","7","1","1") = "6"
    & skf21("1","2","7","3","1","7","2","1") = "6"
    & skf21("1","2","7","3","1","7","3","1") = "6"
    & skf21("1","2","7","3","1","7","4","1") = "6"
    & skf21("1","2","7","3","1","7","5","1") = "6"
    & skf21("1","2","7","3","1","7","6","1") = "6"
    & skf21("1","2","7","3","1","7","7","1") = "6"
    & skf21("1","2","7","3","2","1","1","1") = "6"
    & skf21("1","2","7","3","2","1","2","1") = "6"
    & skf21("1","2","7","3","2","1","3","1") = "6"
    & skf21("1","2","7","3","2","1","4","1") = "6"
    & skf21("1","2","7","3","2","1","5","1") = "6"
    & skf21("1","2","7","3","2","1","6","1") = "6"
    & skf21("1","2","7","3","2","1","7","1") = "6"
    & skf21("1","2","7","3","2","2","1","1") = "6"
    & skf21("1","2","7","3","2","2","2","1") = "6"
    & skf21("1","2","7","3","2","2","3","1") = "6"
    & skf21("1","2","7","3","2","2","4","1") = "6"
    & skf21("1","2","7","3","2","2","5","1") = "6"
    & skf21("1","2","7","3","2","2","6","1") = "6"
    & skf21("1","2","7","3","2","2","7","1") = "6"
    & skf21("1","2","7","3","2","3","1","1") = "6"
    & skf21("1","2","7","3","2","3","2","1") = "6"
    & skf21("1","2","7","3","2","3","3","1") = "6"
    & skf21("1","2","7","3","2","3","4","1") = "6"
    & skf21("1","2","7","3","2","3","5","1") = "6"
    & skf21("1","2","7","3","2","3","6","1") = "6"
    & skf21("1","2","7","3","2","3","7","1") = "6"
    & skf21("1","2","7","3","2","4","1","1") = "6"
    & skf21("1","2","7","3","2","4","2","1") = "6"
    & skf21("1","2","7","3","2","4","3","1") = "6"
    & skf21("1","2","7","3","2","4","4","1") = "6"
    & skf21("1","2","7","3","2","4","5","1") = "6"
    & skf21("1","2","7","3","2","4","6","1") = "6"
    & skf21("1","2","7","3","2","4","7","1") = "6"
    & skf21("1","2","7","3","2","5","1","1") = "6"
    & skf21("1","2","7","3","2","5","2","1") = "6"
    & skf21("1","2","7","3","2","5","3","1") = "6"
    & skf21("1","2","7","3","2","5","4","1") = "6"
    & skf21("1","2","7","3","2","5","5","1") = "6"
    & skf21("1","2","7","3","2","5","6","1") = "6"
    & skf21("1","2","7","3","2","5","7","1") = "6"
    & skf21("1","2","7","3","2","6","1","1") = "6"
    & skf21("1","2","7","3","2","6","2","1") = "6"
    & skf21("1","2","7","3","2","6","3","1") = "6"
    & skf21("1","2","7","3","2","6","4","1") = "6"
    & skf21("1","2","7","3","2","6","5","1") = "6"
    & skf21("1","2","7","3","2","6","6","1") = "6"
    & skf21("1","2","7","3","2","6","7","1") = "6"
    & skf21("1","2","7","3","2","7","1","1") = "6"
    & skf21("1","2","7","3","2","7","2","1") = "6"
    & skf21("1","2","7","3","2","7","3","1") = "6"
    & skf21("1","2","7","3","2","7","4","1") = "6"
    & skf21("1","2","7","3","2","7","5","1") = "6"
    & skf21("1","2","7","3","2","7","6","1") = "6"
    & skf21("1","2","7","3","2","7","7","1") = "6"
    & skf21("1","2","7","3","3","1","1","1") = "6"
    & skf21("1","2","7","3","3","1","2","1") = "6"
    & skf21("1","2","7","3","3","1","3","1") = "6"
    & skf21("1","2","7","3","3","1","4","1") = "6"
    & skf21("1","2","7","3","3","1","5","1") = "6"
    & skf21("1","2","7","3","3","1","6","1") = "6"
    & skf21("1","2","7","3","3","1","7","1") = "6"
    & skf21("1","2","7","3","3","2","1","1") = "6"
    & skf21("1","2","7","3","3","2","2","1") = "6"
    & skf21("1","2","7","3","3","2","3","1") = "6"
    & skf21("1","2","7","3","3","2","4","1") = "6"
    & skf21("1","2","7","3","3","2","5","1") = "6"
    & skf21("1","2","7","3","3","2","6","1") = "6"
    & skf21("1","2","7","3","3","2","7","1") = "6"
    & skf21("1","2","7","3","3","3","1","1") = "6"
    & skf21("1","2","7","3","3","3","2","1") = "6"
    & skf21("1","2","7","3","3","3","3","1") = "6"
    & skf21("1","2","7","3","3","3","4","1") = "6"
    & skf21("1","2","7","3","3","3","5","1") = "6"
    & skf21("1","2","7","3","3","3","6","1") = "6"
    & skf21("1","2","7","3","3","3","7","1") = "6"
    & skf21("1","2","7","3","3","4","1","1") = "6"
    & skf21("1","2","7","3","3","4","2","1") = "6"
    & skf21("1","2","7","3","3","4","3","1") = "6"
    & skf21("1","2","7","3","3","4","4","1") = "6"
    & skf21("1","2","7","3","3","4","5","1") = "6"
    & skf21("1","2","7","3","3","4","6","1") = "6"
    & skf21("1","2","7","3","3","4","7","1") = "6"
    & skf21("1","2","7","3","3","5","1","1") = "6"
    & skf21("1","2","7","3","3","5","2","1") = "6"
    & skf21("1","2","7","3","3","5","3","1") = "6"
    & skf21("1","2","7","3","3","5","4","1") = "6"
    & skf21("1","2","7","3","3","5","5","1") = "6"
    & skf21("1","2","7","3","3","5","6","1") = "6"
    & skf21("1","2","7","3","3","5","7","1") = "6"
    & skf21("1","2","7","3","3","6","1","1") = "6"
    & skf21("1","2","7","3","3","6","2","1") = "6"
    & skf21("1","2","7","3","3","6","3","1") = "6"
    & skf21("1","2","7","3","3","6","4","1") = "6"
    & skf21("1","2","7","3","3","6","5","1") = "6"
    & skf21("1","2","7","3","3","6","6","1") = "6"
    & skf21("1","2","7","3","3","6","7","1") = "6"
    & skf21("1","2","7","3","3","7","1","1") = "6"
    & skf21("1","2","7","3","3","7","2","1") = "6"
    & skf21("1","2","7","3","3","7","3","1") = "6"
    & skf21("1","2","7","3","3","7","4","1") = "6"
    & skf21("1","2","7","3","3","7","5","1") = "6"
    & skf21("1","2","7","3","3","7","6","1") = "6"
    & skf21("1","2","7","3","3","7","7","1") = "6"
    & skf21("1","2","7","3","4","1","1","1") = "6"
    & skf21("1","2","7","3","4","1","2","1") = "6"
    & skf21("1","2","7","3","4","1","3","1") = "6"
    & skf21("1","2","7","3","4","1","4","1") = "6"
    & skf21("1","2","7","3","4","1","5","1") = "6"
    & skf21("1","2","7","3","4","1","6","1") = "6"
    & skf21("1","2","7","3","4","1","7","1") = "6"
    & skf21("1","2","7","3","4","2","1","1") = "6"
    & skf21("1","2","7","3","4","2","2","1") = "6"
    & skf21("1","2","7","3","4","2","3","1") = "6"
    & skf21("1","2","7","3","4","2","4","1") = "6"
    & skf21("1","2","7","3","4","2","5","1") = "6"
    & skf21("1","2","7","3","4","2","6","1") = "6"
    & skf21("1","2","7","3","4","2","7","1") = "6"
    & skf21("1","2","7","3","4","3","1","1") = "6"
    & skf21("1","2","7","3","4","3","2","1") = "6"
    & skf21("1","2","7","3","4","3","3","1") = "6"
    & skf21("1","2","7","3","4","3","4","1") = "6"
    & skf21("1","2","7","3","4","3","5","1") = "6"
    & skf21("1","2","7","3","4","3","6","1") = "6"
    & skf21("1","2","7","3","4","3","7","1") = "6"
    & skf21("1","2","7","3","4","4","1","1") = "6"
    & skf21("1","2","7","3","4","4","2","1") = "6"
    & skf21("1","2","7","3","4","4","3","1") = "6"
    & skf21("1","2","7","3","4","4","4","1") = "6"
    & skf21("1","2","7","3","4","4","5","1") = "6"
    & skf21("1","2","7","3","4","4","6","1") = "6"
    & skf21("1","2","7","3","4","4","7","1") = "6"
    & skf21("1","2","7","3","4","5","1","1") = "6"
    & skf21("1","2","7","3","4","5","2","1") = "6"
    & skf21("1","2","7","3","4","5","3","1") = "6"
    & skf21("1","2","7","3","4","5","4","1") = "6"
    & skf21("1","2","7","3","4","5","5","1") = "6"
    & skf21("1","2","7","3","4","5","6","1") = "6"
    & skf21("1","2","7","3","4","5","7","1") = "6"
    & skf21("1","2","7","3","4","6","1","1") = "6"
    & skf21("1","2","7","3","4","6","2","1") = "6"
    & skf21("1","2","7","3","4","6","3","1") = "6"
    & skf21("1","2","7","3","4","6","4","1") = "6"
    & skf21("1","2","7","3","4","6","5","1") = "6"
    & skf21("1","2","7","3","4","6","6","1") = "6"
    & skf21("1","2","7","3","4","6","7","1") = "6"
    & skf21("1","2","7","3","4","7","1","1") = "6"
    & skf21("1","2","7","3","4","7","2","1") = "6"
    & skf21("1","2","7","3","4","7","3","1") = "6"
    & skf21("1","2","7","3","4","7","4","1") = "6"
    & skf21("1","2","7","3","4","7","5","1") = "6"
    & skf21("1","2","7","3","4","7","6","1") = "6"
    & skf21("1","2","7","3","4","7","7","1") = "6"
    & skf21("1","2","7","3","5","1","1","1") = "6"
    & skf21("1","2","7","3","5","1","2","1") = "6"
    & skf21("1","2","7","3","5","1","3","1") = "6"
    & skf21("1","2","7","3","5","1","4","1") = "6"
    & skf21("1","2","7","3","5","1","5","1") = "6"
    & skf21("1","2","7","3","5","1","6","1") = "6"
    & skf21("1","2","7","3","5","1","7","1") = "6"
    & skf21("1","2","7","3","5","2","1","1") = "6"
    & skf21("1","2","7","3","5","2","2","1") = "6"
    & skf21("1","2","7","3","5","2","3","1") = "6"
    & skf21("1","2","7","3","5","2","4","1") = "6"
    & skf21("1","2","7","3","5","2","5","1") = "6"
    & skf21("1","2","7","3","5","2","6","1") = "6"
    & skf21("1","2","7","3","5","2","7","1") = "6"
    & skf21("1","2","7","3","5","3","1","1") = "6"
    & skf21("1","2","7","3","5","3","2","1") = "6"
    & skf21("1","2","7","3","5","3","3","1") = "6"
    & skf21("1","2","7","3","5","3","4","1") = "6"
    & skf21("1","2","7","3","5","3","5","1") = "6"
    & skf21("1","2","7","3","5","3","6","1") = "6"
    & skf21("1","2","7","3","5","3","7","1") = "6"
    & skf21("1","2","7","3","5","4","1","1") = "6"
    & skf21("1","2","7","3","5","4","2","1") = "6"
    & skf21("1","2","7","3","5","4","3","1") = "6"
    & skf21("1","2","7","3","5","4","4","1") = "6"
    & skf21("1","2","7","3","5","4","5","1") = "6"
    & skf21("1","2","7","3","5","4","6","1") = "6"
    & skf21("1","2","7","3","5","4","7","1") = "6"
    & skf21("1","2","7","3","5","5","1","1") = "6"
    & skf21("1","2","7","3","5","5","2","1") = "6"
    & skf21("1","2","7","3","5","5","3","1") = "6"
    & skf21("1","2","7","3","5","5","4","1") = "6"
    & skf21("1","2","7","3","5","5","5","1") = "6"
    & skf21("1","2","7","3","5","5","6","1") = "6"
    & skf21("1","2","7","3","5","5","7","1") = "6"
    & skf21("1","2","7","3","5","6","1","1") = "6"
    & skf21("1","2","7","3","5","6","2","1") = "6"
    & skf21("1","2","7","3","5","6","3","1") = "6"
    & skf21("1","2","7","3","5","6","4","1") = "6"
    & skf21("1","2","7","3","5","6","5","1") = "6"
    & skf21("1","2","7","3","5","6","6","1") = "6"
    & skf21("1","2","7","3","5","6","7","1") = "6"
    & skf21("1","2","7","3","5","7","1","1") = "6"
    & skf21("1","2","7","3","5","7","2","1") = "6"
    & skf21("1","2","7","3","5","7","3","1") = "6"
    & skf21("1","2","7","3","5","7","4","1") = "6"
    & skf21("1","2","7","3","5","7","5","1") = "6"
    & skf21("1","2","7","3","5","7","6","1") = "6"
    & skf21("1","2","7","3","5","7","7","1") = "6"
    & skf21("1","2","7","3","6","1","1","1") = "6"
    & skf21("1","2","7","3","6","1","2","1") = "6"
    & skf21("1","2","7","3","6","1","3","1") = "6"
    & skf21("1","2","7","3","6","1","4","1") = "6"
    & skf21("1","2","7","3","6","1","5","1") = "6"
    & skf21("1","2","7","3","6","1","6","1") = "6"
    & skf21("1","2","7","3","6","1","7","1") = "6"
    & skf21("1","2","7","3","6","2","1","1") = "6"
    & skf21("1","2","7","3","6","2","2","1") = "6"
    & skf21("1","2","7","3","6","2","3","1") = "6"
    & skf21("1","2","7","3","6","2","4","1") = "6"
    & skf21("1","2","7","3","6","2","5","1") = "6"
    & skf21("1","2","7","3","6","2","6","1") = "6"
    & skf21("1","2","7","3","6","2","7","1") = "6"
    & skf21("1","2","7","3","6","3","1","1") = "6"
    & skf21("1","2","7","3","6","3","2","1") = "6"
    & skf21("1","2","7","3","6","3","3","1") = "6"
    & skf21("1","2","7","3","6","3","4","1") = "6"
    & skf21("1","2","7","3","6","3","5","1") = "6"
    & skf21("1","2","7","3","6","3","6","1") = "6"
    & skf21("1","2","7","3","6","3","7","1") = "6"
    & skf21("1","2","7","3","6","4","1","1") = "6"
    & skf21("1","2","7","3","6","4","2","1") = "6"
    & skf21("1","2","7","3","6","4","3","1") = "6"
    & skf21("1","2","7","3","6","4","4","1") = "6"
    & skf21("1","2","7","3","6","4","5","1") = "6"
    & skf21("1","2","7","3","6","4","6","1") = "6"
    & skf21("1","2","7","3","6","4","7","1") = "6"
    & skf21("1","2","7","3","6","5","1","1") = "6"
    & skf21("1","2","7","3","6","5","2","1") = "6"
    & skf21("1","2","7","3","6","5","3","1") = "6"
    & skf21("1","2","7","3","6","5","4","1") = "6"
    & skf21("1","2","7","3","6","5","5","1") = "6"
    & skf21("1","2","7","3","6","5","6","1") = "6"
    & skf21("1","2","7","3","6","5","7","1") = "6"
    & skf21("1","2","7","3","6","6","1","1") = "6"
    & skf21("1","2","7","3","6","6","2","1") = "6"
    & skf21("1","2","7","3","6","6","3","1") = "6"
    & skf21("1","2","7","3","6","6","4","1") = "6"
    & skf21("1","2","7","3","6","6","5","1") = "6"
    & skf21("1","2","7","3","6","6","6","1") = "6"
    & skf21("1","2","7","3","6","6","7","1") = "6"
    & skf21("1","2","7","3","6","7","1","1") = "6"
    & skf21("1","2","7","3","6","7","2","1") = "6"
    & skf21("1","2","7","3","6","7","3","1") = "6"
    & skf21("1","2","7","3","6","7","4","1") = "6"
    & skf21("1","2","7","3","6","7","5","1") = "6"
    & skf21("1","2","7","3","6","7","6","1") = "6"
    & skf21("1","2","7","3","6","7","7","1") = "6"
    & skf21("1","2","7","3","7","1","1","1") = "6"
    & skf21("1","2","7","3","7","1","2","1") = "6"
    & skf21("1","2","7","3","7","1","3","1") = "6"
    & skf21("1","2","7","3","7","1","4","1") = "6"
    & skf21("1","2","7","3","7","1","5","1") = "6"
    & skf21("1","2","7","3","7","1","6","1") = "6"
    & skf21("1","2","7","3","7","1","7","1") = "6"
    & skf21("1","2","7","3","7","2","1","1") = "6"
    & skf21("1","2","7","3","7","2","2","1") = "6"
    & skf21("1","2","7","3","7","2","3","1") = "6"
    & skf21("1","2","7","3","7","2","4","1") = "6"
    & skf21("1","2","7","3","7","2","5","1") = "6"
    & skf21("1","2","7","3","7","2","6","1") = "6"
    & skf21("1","2","7","3","7","2","7","1") = "6"
    & skf21("1","2","7","3","7","3","1","1") = "6"
    & skf21("1","2","7","3","7","3","2","1") = "6"
    & skf21("1","2","7","3","7","3","3","1") = "6"
    & skf21("1","2","7","3","7","3","4","1") = "6"
    & skf21("1","2","7","3","7","3","5","1") = "6"
    & skf21("1","2","7","3","7","3","6","1") = "6"
    & skf21("1","2","7","3","7","3","7","1") = "6"
    & skf21("1","2","7","3","7","4","1","1") = "6"
    & skf21("1","2","7","3","7","4","2","1") = "6"
    & skf21("1","2","7","3","7","4","3","1") = "6"
    & skf21("1","2","7","3","7","4","4","1") = "6"
    & skf21("1","2","7","3","7","4","5","1") = "6"
    & skf21("1","2","7","3","7","4","6","1") = "6"
    & skf21("1","2","7","3","7","4","7","1") = "6"
    & skf21("1","2","7","3","7","5","1","1") = "6"
    & skf21("1","2","7","3","7","5","2","1") = "6"
    & skf21("1","2","7","3","7","5","3","1") = "6"
    & skf21("1","2","7","3","7","5","4","1") = "6"
    & skf21("1","2","7","3","7","5","5","1") = "6"
    & skf21("1","2","7","3","7","5","6","1") = "6"
    & skf21("1","2","7","3","7","5","7","1") = "6"
    & skf21("1","2","7","3","7","6","1","1") = "6"
    & skf21("1","2","7","3","7","6","2","1") = "6"
    & skf21("1","2","7","3","7","6","3","1") = "6"
    & skf21("1","2","7","3","7","6","4","1") = "6"
    & skf21("1","2","7","3","7","6","5","1") = "6"
    & skf21("1","2","7","3","7","6","6","1") = "6"
    & skf21("1","2","7","3","7","6","7","1") = "6"
    & skf21("1","2","7","3","7","7","1","1") = "6"
    & skf21("1","2","7","3","7","7","2","1") = "6"
    & skf21("1","2","7","3","7","7","3","1") = "6"
    & skf21("1","2","7","3","7","7","4","1") = "6"
    & skf21("1","2","7","3","7","7","5","1") = "6"
    & skf21("1","2","7","3","7","7","6","1") = "6"
    & skf21("1","2","7","3","7","7","7","1") = "6"
    & skf21("1","2","7","4","1","1","1","1") = "6"
    & skf21("1","2","7","4","1","1","2","1") = "6"
    & skf21("1","2","7","4","1","1","3","1") = "6"
    & skf21("1","2","7","4","1","1","4","1") = "6"
    & skf21("1","2","7","4","1","1","5","1") = "6"
    & skf21("1","2","7","4","1","1","6","1") = "6"
    & skf21("1","2","7","4","1","1","7","1") = "6"
    & skf21("1","2","7","4","1","2","1","1") = "6"
    & skf21("1","2","7","4","1","2","2","1") = "6"
    & skf21("1","2","7","4","1","2","3","1") = "6"
    & skf21("1","2","7","4","1","2","4","1") = "6"
    & skf21("1","2","7","4","1","2","5","1") = "6"
    & skf21("1","2","7","4","1","2","6","1") = "6"
    & skf21("1","2","7","4","1","2","7","1") = "6"
    & skf21("1","2","7","4","1","3","1","1") = "6"
    & skf21("1","2","7","4","1","3","2","1") = "6"
    & skf21("1","2","7","4","1","3","3","1") = "6"
    & skf21("1","2","7","4","1","3","4","1") = "6"
    & skf21("1","2","7","4","1","3","5","1") = "6"
    & skf21("1","2","7","4","1","3","6","1") = "6"
    & skf21("1","2","7","4","1","3","7","1") = "6"
    & skf21("1","2","7","4","1","4","1","1") = "6"
    & skf21("1","2","7","4","1","4","2","1") = "6"
    & skf21("1","2","7","4","1","4","3","1") = "6"
    & skf21("1","2","7","4","1","4","4","1") = "6"
    & skf21("1","2","7","4","1","4","5","1") = "6"
    & skf21("1","2","7","4","1","4","6","1") = "6"
    & skf21("1","2","7","4","1","4","7","1") = "6"
    & skf21("1","2","7","4","1","5","1","1") = "6"
    & skf21("1","2","7","4","1","5","2","1") = "6"
    & skf21("1","2","7","4","1","5","3","1") = "6"
    & skf21("1","2","7","4","1","5","4","1") = "6"
    & skf21("1","2","7","4","1","5","5","1") = "6"
    & skf21("1","2","7","4","1","5","6","1") = "6"
    & skf21("1","2","7","4","1","5","7","1") = "6"
    & skf21("1","2","7","4","1","6","1","1") = "6"
    & skf21("1","2","7","4","1","6","2","1") = "6"
    & skf21("1","2","7","4","1","6","3","1") = "6"
    & skf21("1","2","7","4","1","6","4","1") = "6"
    & skf21("1","2","7","4","1","6","5","1") = "6"
    & skf21("1","2","7","4","1","6","6","1") = "6"
    & skf21("1","2","7","4","1","6","7","1") = "6"
    & skf21("1","2","7","4","1","7","1","1") = "6"
    & skf21("1","2","7","4","1","7","2","1") = "6"
    & skf21("1","2","7","4","1","7","3","1") = "6"
    & skf21("1","2","7","4","1","7","4","1") = "6"
    & skf21("1","2","7","4","1","7","5","1") = "6"
    & skf21("1","2","7","4","1","7","6","1") = "6"
    & skf21("1","2","7","4","1","7","7","1") = "6"
    & skf21("1","2","7","4","2","1","1","1") = "6"
    & skf21("1","2","7","4","2","1","2","1") = "6"
    & skf21("1","2","7","4","2","1","3","1") = "6"
    & skf21("1","2","7","4","2","1","4","1") = "6"
    & skf21("1","2","7","4","2","1","5","1") = "6"
    & skf21("1","2","7","4","2","1","6","1") = "6"
    & skf21("1","2","7","4","2","1","7","1") = "6"
    & skf21("1","2","7","4","2","2","1","1") = "6"
    & skf21("1","2","7","4","2","2","2","1") = "6"
    & skf21("1","2","7","4","2","2","3","1") = "6"
    & skf21("1","2","7","4","2","2","4","1") = "6"
    & skf21("1","2","7","4","2","2","5","1") = "6"
    & skf21("1","2","7","4","2","2","6","1") = "6"
    & skf21("1","2","7","4","2","2","7","1") = "6"
    & skf21("1","2","7","4","2","3","1","1") = "6"
    & skf21("1","2","7","4","2","3","2","1") = "6"
    & skf21("1","2","7","4","2","3","3","1") = "6"
    & skf21("1","2","7","4","2","3","4","1") = "6"
    & skf21("1","2","7","4","2","3","5","1") = "6"
    & skf21("1","2","7","4","2","3","6","1") = "6"
    & skf21("1","2","7","4","2","3","7","1") = "6"
    & skf21("1","2","7","4","2","4","1","1") = "6"
    & skf21("1","2","7","4","2","4","2","1") = "6"
    & skf21("1","2","7","4","2","4","3","1") = "6"
    & skf21("1","2","7","4","2","4","4","1") = "6"
    & skf21("1","2","7","4","2","4","5","1") = "6"
    & skf21("1","2","7","4","2","4","6","1") = "6"
    & skf21("1","2","7","4","2","4","7","1") = "6"
    & skf21("1","2","7","4","2","5","1","1") = "6"
    & skf21("1","2","7","4","2","5","2","1") = "6"
    & skf21("1","2","7","4","2","5","3","1") = "6"
    & skf21("1","2","7","4","2","5","4","1") = "6"
    & skf21("1","2","7","4","2","5","5","1") = "6"
    & skf21("1","2","7","4","2","5","6","1") = "6"
    & skf21("1","2","7","4","2","5","7","1") = "6"
    & skf21("1","2","7","4","2","6","1","1") = "6"
    & skf21("1","2","7","4","2","6","2","1") = "6"
    & skf21("1","2","7","4","2","6","3","1") = "6"
    & skf21("1","2","7","4","2","6","4","1") = "6"
    & skf21("1","2","7","4","2","6","5","1") = "6"
    & skf21("1","2","7","4","2","6","6","1") = "6"
    & skf21("1","2","7","4","2","6","7","1") = "6"
    & skf21("1","2","7","4","2","7","1","1") = "6"
    & skf21("1","2","7","4","2","7","2","1") = "6"
    & skf21("1","2","7","4","2","7","3","1") = "6"
    & skf21("1","2","7","4","2","7","4","1") = "6"
    & skf21("1","2","7","4","2","7","5","1") = "6"
    & skf21("1","2","7","4","2","7","6","1") = "6"
    & skf21("1","2","7","4","2","7","7","1") = "6"
    & skf21("1","2","7","4","3","1","1","1") = "6"
    & skf21("1","2","7","4","3","1","2","1") = "6"
    & skf21("1","2","7","4","3","1","3","1") = "6"
    & skf21("1","2","7","4","3","1","4","1") = "6"
    & skf21("1","2","7","4","3","1","5","1") = "6"
    & skf21("1","2","7","4","3","1","6","1") = "6"
    & skf21("1","2","7","4","3","1","7","1") = "6"
    & skf21("1","2","7","4","3","2","1","1") = "6"
    & skf21("1","2","7","4","3","2","2","1") = "6"
    & skf21("1","2","7","4","3","2","3","1") = "6"
    & skf21("1","2","7","4","3","2","4","1") = "6"
    & skf21("1","2","7","4","3","2","5","1") = "6"
    & skf21("1","2","7","4","3","2","6","1") = "6"
    & skf21("1","2","7","4","3","2","7","1") = "6"
    & skf21("1","2","7","4","3","3","1","1") = "6"
    & skf21("1","2","7","4","3","3","2","1") = "6"
    & skf21("1","2","7","4","3","3","3","1") = "6"
    & skf21("1","2","7","4","3","3","4","1") = "6"
    & skf21("1","2","7","4","3","3","5","1") = "6"
    & skf21("1","2","7","4","3","3","6","1") = "6"
    & skf21("1","2","7","4","3","3","7","1") = "6"
    & skf21("1","2","7","4","3","4","1","1") = "6"
    & skf21("1","2","7","4","3","4","2","1") = "6"
    & skf21("1","2","7","4","3","4","3","1") = "6"
    & skf21("1","2","7","4","3","4","4","1") = "6"
    & skf21("1","2","7","4","3","4","5","1") = "6"
    & skf21("1","2","7","4","3","4","6","1") = "6"
    & skf21("1","2","7","4","3","4","7","1") = "6"
    & skf21("1","2","7","4","3","5","1","1") = "6"
    & skf21("1","2","7","4","3","5","2","1") = "6"
    & skf21("1","2","7","4","3","5","3","1") = "6"
    & skf21("1","2","7","4","3","5","4","1") = "6"
    & skf21("1","2","7","4","3","5","5","1") = "6"
    & skf21("1","2","7","4","3","5","6","1") = "6"
    & skf21("1","2","7","4","3","5","7","1") = "6"
    & skf21("1","2","7","4","3","6","1","1") = "6"
    & skf21("1","2","7","4","3","6","2","1") = "6"
    & skf21("1","2","7","4","3","6","3","1") = "6"
    & skf21("1","2","7","4","3","6","4","1") = "6"
    & skf21("1","2","7","4","3","6","5","1") = "6"
    & skf21("1","2","7","4","3","6","6","1") = "6"
    & skf21("1","2","7","4","3","6","7","1") = "6"
    & skf21("1","2","7","4","3","7","1","1") = "6"
    & skf21("1","2","7","4","3","7","2","1") = "6"
    & skf21("1","2","7","4","3","7","3","1") = "6"
    & skf21("1","2","7","4","3","7","4","1") = "6"
    & skf21("1","2","7","4","3","7","5","1") = "6"
    & skf21("1","2","7","4","3","7","6","1") = "6"
    & skf21("1","2","7","4","3","7","7","1") = "6"
    & skf21("1","2","7","4","4","1","1","1") = "6"
    & skf21("1","2","7","4","4","1","2","1") = "6"
    & skf21("1","2","7","4","4","1","3","1") = "6"
    & skf21("1","2","7","4","4","1","4","1") = "6"
    & skf21("1","2","7","4","4","1","5","1") = "6"
    & skf21("1","2","7","4","4","1","6","1") = "6"
    & skf21("1","2","7","4","4","1","7","1") = "6"
    & skf21("1","2","7","4","4","2","1","1") = "6"
    & skf21("1","2","7","4","4","2","2","1") = "6"
    & skf21("1","2","7","4","4","2","3","1") = "6"
    & skf21("1","2","7","4","4","2","4","1") = "6"
    & skf21("1","2","7","4","4","2","5","1") = "6"
    & skf21("1","2","7","4","4","2","6","1") = "6"
    & skf21("1","2","7","4","4","2","7","1") = "6"
    & skf21("1","2","7","4","4","3","1","1") = "6"
    & skf21("1","2","7","4","4","3","2","1") = "6"
    & skf21("1","2","7","4","4","3","3","1") = "6"
    & skf21("1","2","7","4","4","3","4","1") = "6"
    & skf21("1","2","7","4","4","3","5","1") = "6"
    & skf21("1","2","7","4","4","3","6","1") = "6"
    & skf21("1","2","7","4","4","3","7","1") = "6"
    & skf21("1","2","7","4","4","4","1","1") = "6"
    & skf21("1","2","7","4","4","4","2","1") = "6"
    & skf21("1","2","7","4","4","4","3","1") = "6"
    & skf21("1","2","7","4","4","4","4","1") = "6"
    & skf21("1","2","7","4","4","4","5","1") = "6"
    & skf21("1","2","7","4","4","4","6","1") = "6"
    & skf21("1","2","7","4","4","4","7","1") = "6"
    & skf21("1","2","7","4","4","5","1","1") = "6"
    & skf21("1","2","7","4","4","5","2","1") = "6"
    & skf21("1","2","7","4","4","5","3","1") = "6"
    & skf21("1","2","7","4","4","5","4","1") = "6"
    & skf21("1","2","7","4","4","5","5","1") = "6"
    & skf21("1","2","7","4","4","5","6","1") = "6"
    & skf21("1","2","7","4","4","5","7","1") = "6"
    & skf21("1","2","7","4","4","6","1","1") = "6"
    & skf21("1","2","7","4","4","6","2","1") = "6"
    & skf21("1","2","7","4","4","6","3","1") = "6"
    & skf21("1","2","7","4","4","6","4","1") = "6"
    & skf21("1","2","7","4","4","6","5","1") = "6"
    & skf21("1","2","7","4","4","6","6","1") = "6"
    & skf21("1","2","7","4","4","6","7","1") = "6"
    & skf21("1","2","7","4","4","7","1","1") = "6"
    & skf21("1","2","7","4","4","7","2","1") = "6"
    & skf21("1","2","7","4","4","7","3","1") = "6"
    & skf21("1","2","7","4","4","7","4","1") = "6"
    & skf21("1","2","7","4","4","7","5","1") = "6"
    & skf21("1","2","7","4","4","7","6","1") = "6"
    & skf21("1","2","7","4","4","7","7","1") = "6"
    & skf21("1","2","7","4","5","1","1","1") = "6"
    & skf21("1","2","7","4","5","1","2","1") = "6"
    & skf21("1","2","7","4","5","1","3","1") = "6"
    & skf21("1","2","7","4","5","1","4","1") = "6"
    & skf21("1","2","7","4","5","1","5","1") = "6"
    & skf21("1","2","7","4","5","1","6","1") = "6"
    & skf21("1","2","7","4","5","1","7","1") = "6"
    & skf21("1","2","7","4","5","2","1","1") = "6"
    & skf21("1","2","7","4","5","2","2","1") = "6"
    & skf21("1","2","7","4","5","2","3","1") = "6"
    & skf21("1","2","7","4","5","2","4","1") = "6"
    & skf21("1","2","7","4","5","2","5","1") = "6"
    & skf21("1","2","7","4","5","2","6","1") = "6"
    & skf21("1","2","7","4","5","2","7","1") = "6"
    & skf21("1","2","7","4","5","3","1","1") = "6"
    & skf21("1","2","7","4","5","3","2","1") = "6"
    & skf21("1","2","7","4","5","3","3","1") = "6"
    & skf21("1","2","7","4","5","3","4","1") = "6"
    & skf21("1","2","7","4","5","3","5","1") = "6"
    & skf21("1","2","7","4","5","3","6","1") = "6"
    & skf21("1","2","7","4","5","3","7","1") = "6"
    & skf21("1","2","7","4","5","4","1","1") = "6"
    & skf21("1","2","7","4","5","4","2","1") = "6"
    & skf21("1","2","7","4","5","4","3","1") = "6"
    & skf21("1","2","7","4","5","4","4","1") = "6"
    & skf21("1","2","7","4","5","4","5","1") = "6"
    & skf21("1","2","7","4","5","4","6","1") = "6"
    & skf21("1","2","7","4","5","4","7","1") = "6"
    & skf21("1","2","7","4","5","5","1","1") = "6"
    & skf21("1","2","7","4","5","5","2","1") = "6"
    & skf21("1","2","7","4","5","5","3","1") = "6"
    & skf21("1","2","7","4","5","5","4","1") = "6"
    & skf21("1","2","7","4","5","5","5","1") = "6"
    & skf21("1","2","7","4","5","5","6","1") = "6"
    & skf21("1","2","7","4","5","5","7","1") = "6"
    & skf21("1","2","7","4","5","6","1","1") = "6"
    & skf21("1","2","7","4","5","6","2","1") = "6"
    & skf21("1","2","7","4","5","6","3","1") = "6"
    & skf21("1","2","7","4","5","6","4","1") = "6"
    & skf21("1","2","7","4","5","6","5","1") = "6"
    & skf21("1","2","7","4","5","6","6","1") = "6"
    & skf21("1","2","7","4","5","6","7","1") = "6"
    & skf21("1","2","7","4","5","7","1","1") = "6"
    & skf21("1","2","7","4","5","7","2","1") = "6"
    & skf21("1","2","7","4","5","7","3","1") = "6"
    & skf21("1","2","7","4","5","7","4","1") = "6"
    & skf21("1","2","7","4","5","7","5","1") = "6"
    & skf21("1","2","7","4","5","7","6","1") = "6"
    & skf21("1","2","7","4","5","7","7","1") = "6"
    & skf21("1","2","7","4","6","1","1","1") = "6"
    & skf21("1","2","7","4","6","1","2","1") = "6"
    & skf21("1","2","7","4","6","1","3","1") = "6"
    & skf21("1","2","7","4","6","1","4","1") = "6"
    & skf21("1","2","7","4","6","1","5","1") = "6"
    & skf21("1","2","7","4","6","1","6","1") = "6"
    & skf21("1","2","7","4","6","1","7","1") = "6"
    & skf21("1","2","7","4","6","2","1","1") = "6"
    & skf21("1","2","7","4","6","2","2","1") = "6"
    & skf21("1","2","7","4","6","2","3","1") = "6"
    & skf21("1","2","7","4","6","2","4","1") = "6"
    & skf21("1","2","7","4","6","2","5","1") = "6"
    & skf21("1","2","7","4","6","2","6","1") = "6"
    & skf21("1","2","7","4","6","2","7","1") = "6"
    & skf21("1","2","7","4","6","3","1","1") = "6"
    & skf21("1","2","7","4","6","3","2","1") = "6"
    & skf21("1","2","7","4","6","3","3","1") = "6"
    & skf21("1","2","7","4","6","3","4","1") = "6"
    & skf21("1","2","7","4","6","3","5","1") = "6"
    & skf21("1","2","7","4","6","3","6","1") = "6"
    & skf21("1","2","7","4","6","3","7","1") = "6"
    & skf21("1","2","7","4","6","4","1","1") = "6"
    & skf21("1","2","7","4","6","4","2","1") = "6"
    & skf21("1","2","7","4","6","4","3","1") = "6"
    & skf21("1","2","7","4","6","4","4","1") = "6"
    & skf21("1","2","7","4","6","4","5","1") = "6"
    & skf21("1","2","7","4","6","4","6","1") = "6"
    & skf21("1","2","7","4","6","4","7","1") = "6"
    & skf21("1","2","7","4","6","5","1","1") = "6"
    & skf21("1","2","7","4","6","5","2","1") = "6"
    & skf21("1","2","7","4","6","5","3","1") = "6"
    & skf21("1","2","7","4","6","5","4","1") = "6"
    & skf21("1","2","7","4","6","5","5","1") = "6"
    & skf21("1","2","7","4","6","5","6","1") = "6"
    & skf21("1","2","7","4","6","5","7","1") = "6"
    & skf21("1","2","7","4","6","6","1","1") = "6"
    & skf21("1","2","7","4","6","6","2","1") = "6"
    & skf21("1","2","7","4","6","6","3","1") = "6"
    & skf21("1","2","7","4","6","6","4","1") = "6"
    & skf21("1","2","7","4","6","6","5","1") = "6"
    & skf21("1","2","7","4","6","6","6","1") = "6"
    & skf21("1","2","7","4","6","6","7","1") = "6"
    & skf21("1","2","7","4","6","7","1","1") = "6"
    & skf21("1","2","7","4","6","7","2","1") = "6"
    & skf21("1","2","7","4","6","7","3","1") = "6"
    & skf21("1","2","7","4","6","7","4","1") = "6"
    & skf21("1","2","7","4","6","7","5","1") = "6"
    & skf21("1","2","7","4","6","7","6","1") = "6"
    & skf21("1","2","7","4","6","7","7","1") = "6"
    & skf21("1","2","7","4","7","1","1","1") = "6"
    & skf21("1","2","7","4","7","1","2","1") = "6"
    & skf21("1","2","7","4","7","1","3","1") = "6"
    & skf21("1","2","7","4","7","1","4","1") = "6"
    & skf21("1","2","7","4","7","1","5","1") = "6"
    & skf21("1","2","7","4","7","1","6","1") = "6"
    & skf21("1","2","7","4","7","1","7","1") = "6"
    & skf21("1","2","7","4","7","2","1","1") = "6"
    & skf21("1","2","7","4","7","2","2","1") = "6"
    & skf21("1","2","7","4","7","2","3","1") = "6"
    & skf21("1","2","7","4","7","2","4","1") = "6"
    & skf21("1","2","7","4","7","2","5","1") = "6"
    & skf21("1","2","7","4","7","2","6","1") = "6"
    & skf21("1","2","7","4","7","2","7","1") = "6"
    & skf21("1","2","7","4","7","3","1","1") = "6"
    & skf21("1","2","7","4","7","3","2","1") = "6"
    & skf21("1","2","7","4","7","3","3","1") = "6"
    & skf21("1","2","7","4","7","3","4","1") = "6"
    & skf21("1","2","7","4","7","3","5","1") = "6"
    & skf21("1","2","7","4","7","3","6","1") = "6"
    & skf21("1","2","7","4","7","3","7","1") = "6"
    & skf21("1","2","7","4","7","4","1","1") = "6"
    & skf21("1","2","7","4","7","4","2","1") = "6"
    & skf21("1","2","7","4","7","4","3","1") = "6"
    & skf21("1","2","7","4","7","4","4","1") = "6"
    & skf21("1","2","7","4","7","4","5","1") = "6"
    & skf21("1","2","7","4","7","4","6","1") = "6"
    & skf21("1","2","7","4","7","4","7","1") = "6"
    & skf21("1","2","7","4","7","5","1","1") = "6"
    & skf21("1","2","7","4","7","5","2","1") = "6"
    & skf21("1","2","7","4","7","5","3","1") = "6"
    & skf21("1","2","7","4","7","5","4","1") = "6"
    & skf21("1","2","7","4","7","5","5","1") = "6"
    & skf21("1","2","7","4","7","5","6","1") = "6"
    & skf21("1","2","7","4","7","5","7","1") = "6"
    & skf21("1","2","7","4","7","6","1","1") = "6"
    & skf21("1","2","7","4","7","6","2","1") = "6"
    & skf21("1","2","7","4","7","6","3","1") = "6"
    & skf21("1","2","7","4","7","6","4","1") = "6"
    & skf21("1","2","7","4","7","6","5","1") = "6"
    & skf21("1","2","7","4","7","6","6","1") = "6"
    & skf21("1","2","7","4","7","6","7","1") = "6"
    & skf21("1","2","7","4","7","7","1","1") = "6"
    & skf21("1","2","7","4","7","7","2","1") = "6"
    & skf21("1","2","7","4","7","7","3","1") = "6"
    & skf21("1","2","7","4","7","7","4","1") = "6"
    & skf21("1","2","7","4","7","7","5","1") = "6"
    & skf21("1","2","7","4","7","7","6","1") = "6"
    & skf21("1","2","7","4","7","7","7","1") = "6"
    & skf21("1","2","7","5","1","1","1","1") = "6"
    & skf21("1","2","7","5","1","1","2","1") = "6"
    & skf21("1","2","7","5","1","1","3","1") = "6"
    & skf21("1","2","7","5","1","1","4","1") = "6"
    & skf21("1","2","7","5","1","1","5","1") = "6"
    & skf21("1","2","7","5","1","1","6","1") = "6"
    & skf21("1","2","7","5","1","1","7","1") = "6"
    & skf21("1","2","7","5","1","2","1","1") = "6"
    & skf21("1","2","7","5","1","2","2","1") = "6"
    & skf21("1","2","7","5","1","2","3","1") = "6"
    & skf21("1","2","7","5","1","2","4","1") = "6"
    & skf21("1","2","7","5","1","2","5","1") = "6"
    & skf21("1","2","7","5","1","2","6","1") = "6"
    & skf21("1","2","7","5","1","2","7","1") = "6"
    & skf21("1","2","7","5","1","3","1","1") = "6"
    & skf21("1","2","7","5","1","3","2","1") = "6"
    & skf21("1","2","7","5","1","3","3","1") = "6"
    & skf21("1","2","7","5","1","3","4","1") = "6"
    & skf21("1","2","7","5","1","3","5","1") = "6"
    & skf21("1","2","7","5","1","3","6","1") = "6"
    & skf21("1","2","7","5","1","3","7","1") = "6"
    & skf21("1","2","7","5","1","4","1","1") = "6"
    & skf21("1","2","7","5","1","4","2","1") = "6"
    & skf21("1","2","7","5","1","4","3","1") = "6"
    & skf21("1","2","7","5","1","4","4","1") = "6"
    & skf21("1","2","7","5","1","4","5","1") = "6"
    & skf21("1","2","7","5","1","4","6","1") = "6"
    & skf21("1","2","7","5","1","4","7","1") = "6"
    & skf21("1","2","7","5","1","5","1","1") = "6"
    & skf21("1","2","7","5","1","5","2","1") = "6"
    & skf21("1","2","7","5","1","5","3","1") = "6"
    & skf21("1","2","7","5","1","5","4","1") = "6"
    & skf21("1","2","7","5","1","5","5","1") = "6"
    & skf21("1","2","7","5","1","5","6","1") = "6"
    & skf21("1","2","7","5","1","5","7","1") = "6"
    & skf21("1","2","7","5","1","6","1","1") = "6"
    & skf21("1","2","7","5","1","6","2","1") = "6"
    & skf21("1","2","7","5","1","6","3","1") = "6"
    & skf21("1","2","7","5","1","6","4","1") = "6"
    & skf21("1","2","7","5","1","6","5","1") = "6"
    & skf21("1","2","7","5","1","6","6","1") = "6"
    & skf21("1","2","7","5","1","6","7","1") = "6"
    & skf21("1","2","7","5","1","7","1","1") = "6"
    & skf21("1","2","7","5","1","7","2","1") = "6"
    & skf21("1","2","7","5","1","7","3","1") = "6"
    & skf21("1","2","7","5","1","7","4","1") = "6"
    & skf21("1","2","7","5","1","7","5","1") = "6"
    & skf21("1","2","7","5","1","7","6","1") = "6"
    & skf21("1","2","7","5","1","7","7","1") = "6"
    & skf21("1","2","7","5","2","1","1","1") = "6"
    & skf21("1","2","7","5","2","1","2","1") = "6"
    & skf21("1","2","7","5","2","1","3","1") = "6"
    & skf21("1","2","7","5","2","1","4","1") = "6"
    & skf21("1","2","7","5","2","1","5","1") = "6"
    & skf21("1","2","7","5","2","1","6","1") = "6"
    & skf21("1","2","7","5","2","1","7","1") = "6"
    & skf21("1","2","7","5","2","2","1","1") = "6"
    & skf21("1","2","7","5","2","2","2","1") = "6"
    & skf21("1","2","7","5","2","2","3","1") = "6"
    & skf21("1","2","7","5","2","2","4","1") = "6"
    & skf21("1","2","7","5","2","2","5","1") = "6"
    & skf21("1","2","7","5","2","2","6","1") = "6"
    & skf21("1","2","7","5","2","2","7","1") = "6"
    & skf21("1","2","7","5","2","3","1","1") = "6"
    & skf21("1","2","7","5","2","3","2","1") = "6"
    & skf21("1","2","7","5","2","3","3","1") = "6"
    & skf21("1","2","7","5","2","3","4","1") = "6"
    & skf21("1","2","7","5","2","3","5","1") = "6"
    & skf21("1","2","7","5","2","3","6","1") = "6"
    & skf21("1","2","7","5","2","3","7","1") = "6"
    & skf21("1","2","7","5","2","4","1","1") = "6"
    & skf21("1","2","7","5","2","4","2","1") = "6"
    & skf21("1","2","7","5","2","4","3","1") = "6"
    & skf21("1","2","7","5","2","4","4","1") = "6"
    & skf21("1","2","7","5","2","4","5","1") = "6"
    & skf21("1","2","7","5","2","4","6","1") = "6"
    & skf21("1","2","7","5","2","4","7","1") = "6"
    & skf21("1","2","7","5","2","5","1","1") = "6"
    & skf21("1","2","7","5","2","5","2","1") = "6"
    & skf21("1","2","7","5","2","5","3","1") = "6"
    & skf21("1","2","7","5","2","5","4","1") = "6"
    & skf21("1","2","7","5","2","5","5","1") = "6"
    & skf21("1","2","7","5","2","5","6","1") = "6"
    & skf21("1","2","7","5","2","5","7","1") = "6"
    & skf21("1","2","7","5","2","6","1","1") = "6"
    & skf21("1","2","7","5","2","6","2","1") = "6"
    & skf21("1","2","7","5","2","6","3","1") = "6"
    & skf21("1","2","7","5","2","6","4","1") = "6"
    & skf21("1","2","7","5","2","6","5","1") = "6"
    & skf21("1","2","7","5","2","6","6","1") = "6"
    & skf21("1","2","7","5","2","6","7","1") = "6"
    & skf21("1","2","7","5","2","7","1","1") = "6"
    & skf21("1","2","7","5","2","7","2","1") = "6"
    & skf21("1","2","7","5","2","7","3","1") = "6"
    & skf21("1","2","7","5","2","7","4","1") = "6"
    & skf21("1","2","7","5","2","7","5","1") = "6"
    & skf21("1","2","7","5","2","7","6","1") = "6"
    & skf21("1","2","7","5","2","7","7","1") = "6"
    & skf21("1","2","7","5","3","1","1","1") = "6"
    & skf21("1","2","7","5","3","1","2","1") = "6"
    & skf21("1","2","7","5","3","1","3","1") = "6"
    & skf21("1","2","7","5","3","1","4","1") = "6"
    & skf21("1","2","7","5","3","1","5","1") = "6"
    & skf21("1","2","7","5","3","1","6","1") = "6"
    & skf21("1","2","7","5","3","1","7","1") = "6"
    & skf21("1","2","7","5","3","2","1","1") = "6"
    & skf21("1","2","7","5","3","2","2","1") = "6"
    & skf21("1","2","7","5","3","2","3","1") = "6"
    & skf21("1","2","7","5","3","2","4","1") = "6"
    & skf21("1","2","7","5","3","2","5","1") = "6"
    & skf21("1","2","7","5","3","2","6","1") = "6"
    & skf21("1","2","7","5","3","2","7","1") = "6"
    & skf21("1","2","7","5","3","3","1","1") = "6"
    & skf21("1","2","7","5","3","3","2","1") = "6"
    & skf21("1","2","7","5","3","3","3","1") = "6"
    & skf21("1","2","7","5","3","3","4","1") = "6"
    & skf21("1","2","7","5","3","3","5","1") = "6"
    & skf21("1","2","7","5","3","3","6","1") = "6"
    & skf21("1","2","7","5","3","3","7","1") = "6"
    & skf21("1","2","7","5","3","4","1","1") = "6"
    & skf21("1","2","7","5","3","4","2","1") = "6"
    & skf21("1","2","7","5","3","4","3","1") = "6"
    & skf21("1","2","7","5","3","4","4","1") = "6"
    & skf21("1","2","7","5","3","4","5","1") = "6"
    & skf21("1","2","7","5","3","4","6","1") = "6"
    & skf21("1","2","7","5","3","4","7","1") = "6"
    & skf21("1","2","7","5","3","5","1","1") = "6"
    & skf21("1","2","7","5","3","5","2","1") = "6"
    & skf21("1","2","7","5","3","5","3","1") = "6"
    & skf21("1","2","7","5","3","5","4","1") = "6"
    & skf21("1","2","7","5","3","5","5","1") = "6"
    & skf21("1","2","7","5","3","5","6","1") = "6"
    & skf21("1","2","7","5","3","5","7","1") = "6"
    & skf21("1","2","7","5","3","6","1","1") = "6"
    & skf21("1","2","7","5","3","6","2","1") = "6"
    & skf21("1","2","7","5","3","6","3","1") = "6"
    & skf21("1","2","7","5","3","6","4","1") = "6"
    & skf21("1","2","7","5","3","6","5","1") = "6"
    & skf21("1","2","7","5","3","6","6","1") = "6"
    & skf21("1","2","7","5","3","6","7","1") = "6"
    & skf21("1","2","7","5","3","7","1","1") = "6"
    & skf21("1","2","7","5","3","7","2","1") = "6"
    & skf21("1","2","7","5","3","7","3","1") = "6"
    & skf21("1","2","7","5","3","7","4","1") = "6"
    & skf21("1","2","7","5","3","7","5","1") = "6"
    & skf21("1","2","7","5","3","7","6","1") = "6"
    & skf21("1","2","7","5","3","7","7","1") = "6"
    & skf21("1","2","7","5","4","1","1","1") = "6"
    & skf21("1","2","7","5","4","1","2","1") = "6"
    & skf21("1","2","7","5","4","1","3","1") = "6"
    & skf21("1","2","7","5","4","1","4","1") = "6"
    & skf21("1","2","7","5","4","1","5","1") = "6"
    & skf21("1","2","7","5","4","1","6","1") = "6"
    & skf21("1","2","7","5","4","1","7","1") = "6"
    & skf21("1","2","7","5","4","2","1","1") = "6"
    & skf21("1","2","7","5","4","2","2","1") = "6"
    & skf21("1","2","7","5","4","2","3","1") = "6"
    & skf21("1","2","7","5","4","2","4","1") = "6"
    & skf21("1","2","7","5","4","2","5","1") = "6"
    & skf21("1","2","7","5","4","2","6","1") = "6"
    & skf21("1","2","7","5","4","2","7","1") = "6"
    & skf21("1","2","7","5","4","3","1","1") = "6"
    & skf21("1","2","7","5","4","3","2","1") = "6"
    & skf21("1","2","7","5","4","3","3","1") = "6"
    & skf21("1","2","7","5","4","3","4","1") = "6"
    & skf21("1","2","7","5","4","3","5","1") = "6"
    & skf21("1","2","7","5","4","3","6","1") = "6"
    & skf21("1","2","7","5","4","3","7","1") = "6"
    & skf21("1","2","7","5","4","4","1","1") = "6"
    & skf21("1","2","7","5","4","4","2","1") = "6"
    & skf21("1","2","7","5","4","4","3","1") = "6"
    & skf21("1","2","7","5","4","4","4","1") = "6"
    & skf21("1","2","7","5","4","4","5","1") = "6"
    & skf21("1","2","7","5","4","4","6","1") = "6"
    & skf21("1","2","7","5","4","4","7","1") = "6"
    & skf21("1","2","7","5","4","5","1","1") = "6"
    & skf21("1","2","7","5","4","5","2","1") = "6"
    & skf21("1","2","7","5","4","5","3","1") = "6"
    & skf21("1","2","7","5","4","5","4","1") = "6"
    & skf21("1","2","7","5","4","5","5","1") = "6"
    & skf21("1","2","7","5","4","5","6","1") = "6"
    & skf21("1","2","7","5","4","5","7","1") = "6"
    & skf21("1","2","7","5","4","6","1","1") = "6"
    & skf21("1","2","7","5","4","6","2","1") = "6"
    & skf21("1","2","7","5","4","6","3","1") = "6"
    & skf21("1","2","7","5","4","6","4","1") = "6"
    & skf21("1","2","7","5","4","6","5","1") = "6"
    & skf21("1","2","7","5","4","6","6","1") = "6"
    & skf21("1","2","7","5","4","6","7","1") = "6"
    & skf21("1","2","7","5","4","7","1","1") = "6"
    & skf21("1","2","7","5","4","7","2","1") = "6"
    & skf21("1","2","7","5","4","7","3","1") = "6"
    & skf21("1","2","7","5","4","7","4","1") = "6"
    & skf21("1","2","7","5","4","7","5","1") = "6"
    & skf21("1","2","7","5","4","7","6","1") = "6"
    & skf21("1","2","7","5","4","7","7","1") = "6"
    & skf21("1","2","7","5","5","1","1","1") = "6"
    & skf21("1","2","7","5","5","1","2","1") = "6"
    & skf21("1","2","7","5","5","1","3","1") = "6"
    & skf21("1","2","7","5","5","1","4","1") = "6"
    & skf21("1","2","7","5","5","1","5","1") = "6"
    & skf21("1","2","7","5","5","1","6","1") = "6"
    & skf21("1","2","7","5","5","1","7","1") = "6"
    & skf21("1","2","7","5","5","2","1","1") = "6"
    & skf21("1","2","7","5","5","2","2","1") = "6"
    & skf21("1","2","7","5","5","2","3","1") = "6"
    & skf21("1","2","7","5","5","2","4","1") = "6"
    & skf21("1","2","7","5","5","2","5","1") = "6"
    & skf21("1","2","7","5","5","2","6","1") = "6"
    & skf21("1","2","7","5","5","2","7","1") = "6"
    & skf21("1","2","7","5","5","3","1","1") = "6"
    & skf21("1","2","7","5","5","3","2","1") = "6"
    & skf21("1","2","7","5","5","3","3","1") = "6"
    & skf21("1","2","7","5","5","3","4","1") = "6"
    & skf21("1","2","7","5","5","3","5","1") = "6"
    & skf21("1","2","7","5","5","3","6","1") = "6"
    & skf21("1","2","7","5","5","3","7","1") = "6"
    & skf21("1","2","7","5","5","4","1","1") = "6"
    & skf21("1","2","7","5","5","4","2","1") = "6"
    & skf21("1","2","7","5","5","4","3","1") = "6"
    & skf21("1","2","7","5","5","4","4","1") = "6"
    & skf21("1","2","7","5","5","4","5","1") = "6"
    & skf21("1","2","7","5","5","4","6","1") = "6"
    & skf21("1","2","7","5","5","4","7","1") = "6"
    & skf21("1","2","7","5","5","5","1","1") = "6"
    & skf21("1","2","7","5","5","5","2","1") = "6"
    & skf21("1","2","7","5","5","5","3","1") = "6"
    & skf21("1","2","7","5","5","5","4","1") = "6"
    & skf21("1","2","7","5","5","5","5","1") = "6"
    & skf21("1","2","7","5","5","5","6","1") = "6"
    & skf21("1","2","7","5","5","5","7","1") = "6"
    & skf21("1","2","7","5","5","6","1","1") = "6"
    & skf21("1","2","7","5","5","6","2","1") = "6"
    & skf21("1","2","7","5","5","6","3","1") = "6"
    & skf21("1","2","7","5","5","6","4","1") = "6"
    & skf21("1","2","7","5","5","6","5","1") = "6"
    & skf21("1","2","7","5","5","6","6","1") = "6"
    & skf21("1","2","7","5","5","6","7","1") = "6"
    & skf21("1","2","7","5","5","7","1","1") = "6"
    & skf21("1","2","7","5","5","7","2","1") = "6"
    & skf21("1","2","7","5","5","7","3","1") = "6"
    & skf21("1","2","7","5","5","7","4","1") = "6"
    & skf21("1","2","7","5","5","7","5","1") = "6"
    & skf21("1","2","7","5","5","7","6","1") = "6"
    & skf21("1","2","7","5","5","7","7","1") = "6"
    & skf21("1","2","7","5","6","1","1","1") = "6"
    & skf21("1","2","7","5","6","1","2","1") = "6"
    & skf21("1","2","7","5","6","1","3","1") = "6"
    & skf21("1","2","7","5","6","1","4","1") = "6"
    & skf21("1","2","7","5","6","1","5","1") = "6"
    & skf21("1","2","7","5","6","1","6","1") = "6"
    & skf21("1","2","7","5","6","1","7","1") = "6"
    & skf21("1","2","7","5","6","2","1","1") = "6"
    & skf21("1","2","7","5","6","2","2","1") = "6"
    & skf21("1","2","7","5","6","2","3","1") = "6"
    & skf21("1","2","7","5","6","2","4","1") = "6"
    & skf21("1","2","7","5","6","2","5","1") = "6"
    & skf21("1","2","7","5","6","2","6","1") = "6"
    & skf21("1","2","7","5","6","2","7","1") = "6"
    & skf21("1","2","7","5","6","3","1","1") = "6"
    & skf21("1","2","7","5","6","3","2","1") = "6"
    & skf21("1","2","7","5","6","3","3","1") = "6"
    & skf21("1","2","7","5","6","3","4","1") = "6"
    & skf21("1","2","7","5","6","3","5","1") = "6"
    & skf21("1","2","7","5","6","3","6","1") = "6"
    & skf21("1","2","7","5","6","3","7","1") = "6"
    & skf21("1","2","7","5","6","4","1","1") = "6"
    & skf21("1","2","7","5","6","4","2","1") = "6"
    & skf21("1","2","7","5","6","4","3","1") = "6"
    & skf21("1","2","7","5","6","4","4","1") = "6"
    & skf21("1","2","7","5","6","4","5","1") = "6"
    & skf21("1","2","7","5","6","4","6","1") = "6"
    & skf21("1","2","7","5","6","4","7","1") = "6"
    & skf21("1","2","7","5","6","5","1","1") = "6"
    & skf21("1","2","7","5","6","5","2","1") = "6"
    & skf21("1","2","7","5","6","5","3","1") = "6"
    & skf21("1","2","7","5","6","5","4","1") = "6"
    & skf21("1","2","7","5","6","5","5","1") = "6"
    & skf21("1","2","7","5","6","5","6","1") = "6"
    & skf21("1","2","7","5","6","5","7","1") = "6"
    & skf21("1","2","7","5","6","6","1","1") = "6"
    & skf21("1","2","7","5","6","6","2","1") = "6"
    & skf21("1","2","7","5","6","6","3","1") = "6"
    & skf21("1","2","7","5","6","6","4","1") = "6"
    & skf21("1","2","7","5","6","6","5","1") = "6"
    & skf21("1","2","7","5","6","6","6","1") = "6"
    & skf21("1","2","7","5","6","6","7","1") = "6"
    & skf21("1","2","7","5","6","7","1","1") = "6"
    & skf21("1","2","7","5","6","7","2","1") = "6"
    & skf21("1","2","7","5","6","7","3","1") = "6"
    & skf21("1","2","7","5","6","7","4","1") = "6"
    & skf21("1","2","7","5","6","7","5","1") = "6"
    & skf21("1","2","7","5","6","7","6","1") = "6"
    & skf21("1","2","7","5","6","7","7","1") = "6"
    & skf21("1","2","7","5","7","1","1","1") = "6"
    & skf21("1","2","7","5","7","1","2","1") = "6"
    & skf21("1","2","7","5","7","1","3","1") = "6"
    & skf21("1","2","7","5","7","1","4","1") = "6"
    & skf21("1","2","7","5","7","1","5","1") = "6"
    & skf21("1","2","7","5","7","1","6","1") = "6"
    & skf21("1","2","7","5","7","1","7","1") = "6"
    & skf21("1","2","7","5","7","2","1","1") = "6"
    & skf21("1","2","7","5","7","2","2","1") = "6"
    & skf21("1","2","7","5","7","2","3","1") = "6"
    & skf21("1","2","7","5","7","2","4","1") = "6"
    & skf21("1","2","7","5","7","2","5","1") = "6"
    & skf21("1","2","7","5","7","2","6","1") = "6"
    & skf21("1","2","7","5","7","2","7","1") = "6"
    & skf21("1","2","7","5","7","3","1","1") = "6"
    & skf21("1","2","7","5","7","3","2","1") = "6"
    & skf21("1","2","7","5","7","3","3","1") = "6"
    & skf21("1","2","7","5","7","3","4","1") = "6"
    & skf21("1","2","7","5","7","3","5","1") = "6"
    & skf21("1","2","7","5","7","3","6","1") = "6"
    & skf21("1","2","7","5","7","3","7","1") = "6"
    & skf21("1","2","7","5","7","4","1","1") = "6"
    & skf21("1","2","7","5","7","4","2","1") = "6"
    & skf21("1","2","7","5","7","4","3","1") = "6"
    & skf21("1","2","7","5","7","4","4","1") = "6"
    & skf21("1","2","7","5","7","4","5","1") = "6"
    & skf21("1","2","7","5","7","4","6","1") = "6"
    & skf21("1","2","7","5","7","4","7","1") = "6"
    & skf21("1","2","7","5","7","5","1","1") = "6"
    & skf21("1","2","7","5","7","5","2","1") = "6"
    & skf21("1","2","7","5","7","5","3","1") = "6"
    & skf21("1","2","7","5","7","5","4","1") = "6"
    & skf21("1","2","7","5","7","5","5","1") = "6"
    & skf21("1","2","7","5","7","5","6","1") = "6"
    & skf21("1","2","7","5","7","5","7","1") = "6"
    & skf21("1","2","7","5","7","6","1","1") = "6"
    & skf21("1","2","7","5","7","6","2","1") = "6"
    & skf21("1","2","7","5","7","6","3","1") = "6"
    & skf21("1","2","7","5","7","6","4","1") = "6"
    & skf21("1","2","7","5","7","6","5","1") = "6"
    & skf21("1","2","7","5","7","6","6","1") = "6"
    & skf21("1","2","7","5","7","6","7","1") = "6"
    & skf21("1","2","7","5","7","7","1","1") = "6"
    & skf21("1","2","7","5","7","7","2","1") = "6"
    & skf21("1","2","7","5","7","7","3","1") = "6"
    & skf21("1","2","7","5","7","7","4","1") = "6"
    & skf21("1","2","7","5","7","7","5","1") = "6"
    & skf21("1","2","7","5","7","7","6","1") = "6"
    & skf21("1","2","7","5","7","7","7","1") = "6"
    & skf21("1","2","7","6","1","1","1","1") = "6"
    & skf21("1","2","7","6","1","1","2","1") = "6"
    & skf21("1","2","7","6","1","1","3","1") = "6"
    & skf21("1","2","7","6","1","1","4","1") = "6"
    & skf21("1","2","7","6","1","1","5","1") = "6"
    & skf21("1","2","7","6","1","1","6","1") = "6"
    & skf21("1","2","7","6","1","1","7","1") = "6"
    & skf21("1","2","7","6","1","2","1","1") = "6"
    & skf21("1","2","7","6","1","2","2","1") = "6"
    & skf21("1","2","7","6","1","2","3","1") = "6"
    & skf21("1","2","7","6","1","2","4","1") = "6"
    & skf21("1","2","7","6","1","2","5","1") = "6"
    & skf21("1","2","7","6","1","2","6","1") = "6"
    & skf21("1","2","7","6","1","2","7","1") = "6"
    & skf21("1","2","7","6","1","3","1","1") = "6"
    & skf21("1","2","7","6","1","3","2","1") = "6"
    & skf21("1","2","7","6","1","3","3","1") = "6"
    & skf21("1","2","7","6","1","3","4","1") = "6"
    & skf21("1","2","7","6","1","3","5","1") = "6"
    & skf21("1","2","7","6","1","3","6","1") = "6"
    & skf21("1","2","7","6","1","3","7","1") = "6"
    & skf21("1","2","7","6","1","4","1","1") = "6"
    & skf21("1","2","7","6","1","4","2","1") = "6"
    & skf21("1","2","7","6","1","4","3","1") = "6"
    & skf21("1","2","7","6","1","4","4","1") = "6"
    & skf21("1","2","7","6","1","4","5","1") = "6"
    & skf21("1","2","7","6","1","4","6","1") = "6"
    & skf21("1","2","7","6","1","4","7","1") = "6"
    & skf21("1","2","7","6","1","5","1","1") = "6"
    & skf21("1","2","7","6","1","5","2","1") = "6"
    & skf21("1","2","7","6","1","5","3","1") = "6"
    & skf21("1","2","7","6","1","5","4","1") = "6"
    & skf21("1","2","7","6","1","5","5","1") = "6"
    & skf21("1","2","7","6","1","5","6","1") = "6"
    & skf21("1","2","7","6","1","5","7","1") = "6"
    & skf21("1","2","7","6","1","6","1","1") = "6"
    & skf21("1","2","7","6","1","6","2","1") = "6"
    & skf21("1","2","7","6","1","6","3","1") = "6"
    & skf21("1","2","7","6","1","6","4","1") = "6"
    & skf21("1","2","7","6","1","6","5","1") = "6"
    & skf21("1","2","7","6","1","6","6","1") = "6"
    & skf21("1","2","7","6","1","6","7","1") = "6"
    & skf21("1","2","7","6","1","7","1","1") = "6"
    & skf21("1","2","7","6","1","7","2","1") = "6"
    & skf21("1","2","7","6","1","7","3","1") = "6"
    & skf21("1","2","7","6","1","7","4","1") = "6"
    & skf21("1","2","7","6","1","7","5","1") = "6"
    & skf21("1","2","7","6","1","7","6","1") = "6"
    & skf21("1","2","7","6","1","7","7","1") = "6"
    & skf21("1","2","7","6","2","1","1","1") = "6"
    & skf21("1","2","7","6","2","1","2","1") = "6"
    & skf21("1","2","7","6","2","1","3","1") = "6"
    & skf21("1","2","7","6","2","1","4","1") = "6"
    & skf21("1","2","7","6","2","1","5","1") = "6"
    & skf21("1","2","7","6","2","1","6","1") = "6"
    & skf21("1","2","7","6","2","1","7","1") = "6"
    & skf21("1","2","7","6","2","2","1","1") = "6"
    & skf21("1","2","7","6","2","2","2","1") = "6"
    & skf21("1","2","7","6","2","2","3","1") = "6"
    & skf21("1","2","7","6","2","2","4","1") = "6"
    & skf21("1","2","7","6","2","2","5","1") = "6"
    & skf21("1","2","7","6","2","2","6","1") = "6"
    & skf21("1","2","7","6","2","2","7","1") = "6"
    & skf21("1","2","7","6","2","3","1","1") = "6"
    & skf21("1","2","7","6","2","3","2","1") = "6"
    & skf21("1","2","7","6","2","3","3","1") = "6"
    & skf21("1","2","7","6","2","3","4","1") = "6"
    & skf21("1","2","7","6","2","3","5","1") = "6"
    & skf21("1","2","7","6","2","3","6","1") = "6"
    & skf21("1","2","7","6","2","3","7","1") = "6"
    & skf21("1","2","7","6","2","4","1","1") = "6"
    & skf21("1","2","7","6","2","4","2","1") = "6"
    & skf21("1","2","7","6","2","4","3","1") = "6"
    & skf21("1","2","7","6","2","4","4","1") = "6"
    & skf21("1","2","7","6","2","4","5","1") = "6"
    & skf21("1","2","7","6","2","4","6","1") = "6"
    & skf21("1","2","7","6","2","4","7","1") = "6"
    & skf21("1","2","7","6","2","5","1","1") = "6"
    & skf21("1","2","7","6","2","5","2","1") = "6"
    & skf21("1","2","7","6","2","5","3","1") = "6"
    & skf21("1","2","7","6","2","5","4","1") = "6"
    & skf21("1","2","7","6","2","5","5","1") = "6"
    & skf21("1","2","7","6","2","5","6","1") = "6"
    & skf21("1","2","7","6","2","5","7","1") = "6"
    & skf21("1","2","7","6","2","6","1","1") = "6"
    & skf21("1","2","7","6","2","6","2","1") = "6"
    & skf21("1","2","7","6","2","6","3","1") = "6"
    & skf21("1","2","7","6","2","6","4","1") = "6"
    & skf21("1","2","7","6","2","6","5","1") = "6"
    & skf21("1","2","7","6","2","6","6","1") = "6"
    & skf21("1","2","7","6","2","6","7","1") = "6"
    & skf21("1","2","7","6","2","7","1","1") = "6"
    & skf21("1","2","7","6","2","7","2","1") = "6"
    & skf21("1","2","7","6","2","7","3","1") = "6"
    & skf21("1","2","7","6","2","7","4","1") = "6"
    & skf21("1","2","7","6","2","7","5","1") = "6"
    & skf21("1","2","7","6","2","7","6","1") = "6"
    & skf21("1","2","7","6","2","7","7","1") = "6"
    & skf21("1","2","7","6","3","1","1","1") = "6"
    & skf21("1","2","7","6","3","1","2","1") = "6"
    & skf21("1","2","7","6","3","1","3","1") = "6"
    & skf21("1","2","7","6","3","1","4","1") = "6"
    & skf21("1","2","7","6","3","1","5","1") = "6"
    & skf21("1","2","7","6","3","1","6","1") = "6"
    & skf21("1","2","7","6","3","1","7","1") = "6"
    & skf21("1","2","7","6","3","2","1","1") = "6"
    & skf21("1","2","7","6","3","2","2","1") = "6"
    & skf21("1","2","7","6","3","2","3","1") = "6"
    & skf21("1","2","7","6","3","2","4","1") = "6"
    & skf21("1","2","7","6","3","2","5","1") = "6"
    & skf21("1","2","7","6","3","2","6","1") = "6"
    & skf21("1","2","7","6","3","2","7","1") = "6"
    & skf21("1","2","7","6","3","3","1","1") = "6"
    & skf21("1","2","7","6","3","3","2","1") = "6"
    & skf21("1","2","7","6","3","3","3","1") = "6"
    & skf21("1","2","7","6","3","3","4","1") = "6"
    & skf21("1","2","7","6","3","3","5","1") = "6"
    & skf21("1","2","7","6","3","3","6","1") = "6"
    & skf21("1","2","7","6","3","3","7","1") = "6"
    & skf21("1","2","7","6","3","4","1","1") = "6"
    & skf21("1","2","7","6","3","4","2","1") = "6"
    & skf21("1","2","7","6","3","4","3","1") = "6"
    & skf21("1","2","7","6","3","4","4","1") = "6"
    & skf21("1","2","7","6","3","4","5","1") = "6"
    & skf21("1","2","7","6","3","4","6","1") = "6"
    & skf21("1","2","7","6","3","4","7","1") = "6"
    & skf21("1","2","7","6","3","5","1","1") = "6"
    & skf21("1","2","7","6","3","5","2","1") = "6"
    & skf21("1","2","7","6","3","5","3","1") = "6"
    & skf21("1","2","7","6","3","5","4","1") = "6"
    & skf21("1","2","7","6","3","5","5","1") = "6"
    & skf21("1","2","7","6","3","5","6","1") = "6"
    & skf21("1","2","7","6","3","5","7","1") = "6"
    & skf21("1","2","7","6","3","6","1","1") = "6"
    & skf21("1","2","7","6","3","6","2","1") = "6"
    & skf21("1","2","7","6","3","6","3","1") = "6"
    & skf21("1","2","7","6","3","6","4","1") = "6"
    & skf21("1","2","7","6","3","6","5","1") = "6"
    & skf21("1","2","7","6","3","6","6","1") = "6"
    & skf21("1","2","7","6","3","6","7","1") = "6"
    & skf21("1","2","7","6","3","7","1","1") = "6"
    & skf21("1","2","7","6","3","7","2","1") = "6"
    & skf21("1","2","7","6","3","7","3","1") = "6"
    & skf21("1","2","7","6","3","7","4","1") = "6"
    & skf21("1","2","7","6","3","7","5","1") = "6"
    & skf21("1","2","7","6","3","7","6","1") = "6"
    & skf21("1","2","7","6","3","7","7","1") = "6"
    & skf21("1","2","7","6","4","1","1","1") = "6"
    & skf21("1","2","7","6","4","1","2","1") = "6"
    & skf21("1","2","7","6","4","1","3","1") = "6"
    & skf21("1","2","7","6","4","1","4","1") = "6"
    & skf21("1","2","7","6","4","1","5","1") = "6"
    & skf21("1","2","7","6","4","1","6","1") = "6"
    & skf21("1","2","7","6","4","1","7","1") = "6"
    & skf21("1","2","7","6","4","2","1","1") = "6"
    & skf21("1","2","7","6","4","2","2","1") = "6"
    & skf21("1","2","7","6","4","2","3","1") = "6"
    & skf21("1","2","7","6","4","2","4","1") = "6"
    & skf21("1","2","7","6","4","2","5","1") = "6"
    & skf21("1","2","7","6","4","2","6","1") = "6"
    & skf21("1","2","7","6","4","2","7","1") = "6"
    & skf21("1","2","7","6","4","3","1","1") = "6"
    & skf21("1","2","7","6","4","3","2","1") = "6"
    & skf21("1","2","7","6","4","3","3","1") = "6"
    & skf21("1","2","7","6","4","3","4","1") = "6"
    & skf21("1","2","7","6","4","3","5","1") = "6"
    & skf21("1","2","7","6","4","3","6","1") = "6"
    & skf21("1","2","7","6","4","3","7","1") = "6"
    & skf21("1","2","7","6","4","4","1","1") = "6"
    & skf21("1","2","7","6","4","4","2","1") = "6"
    & skf21("1","2","7","6","4","4","3","1") = "6"
    & skf21("1","2","7","6","4","4","4","1") = "6"
    & skf21("1","2","7","6","4","4","5","1") = "6"
    & skf21("1","2","7","6","4","4","6","1") = "6"
    & skf21("1","2","7","6","4","4","7","1") = "6"
    & skf21("1","2","7","6","4","5","1","1") = "6"
    & skf21("1","2","7","6","4","5","2","1") = "6"
    & skf21("1","2","7","6","4","5","3","1") = "6"
    & skf21("1","2","7","6","4","5","4","1") = "6"
    & skf21("1","2","7","6","4","5","5","1") = "6"
    & skf21("1","2","7","6","4","5","6","1") = "6"
    & skf21("1","2","7","6","4","5","7","1") = "6"
    & skf21("1","2","7","6","4","6","1","1") = "6"
    & skf21("1","2","7","6","4","6","2","1") = "6"
    & skf21("1","2","7","6","4","6","3","1") = "6"
    & skf21("1","2","7","6","4","6","4","1") = "6"
    & skf21("1","2","7","6","4","6","5","1") = "6"
    & skf21("1","2","7","6","4","6","6","1") = "6"
    & skf21("1","2","7","6","4","6","7","1") = "6"
    & skf21("1","2","7","6","4","7","1","1") = "6"
    & skf21("1","2","7","6","4","7","2","1") = "6"
    & skf21("1","2","7","6","4","7","3","1") = "6"
    & skf21("1","2","7","6","4","7","4","1") = "6"
    & skf21("1","2","7","6","4","7","5","1") = "6"
    & skf21("1","2","7","6","4","7","6","1") = "6"
    & skf21("1","2","7","6","4","7","7","1") = "6"
    & skf21("1","2","7","6","5","1","1","1") = "6"
    & skf21("1","2","7","6","5","1","2","1") = "6"
    & skf21("1","2","7","6","5","1","3","1") = "6"
    & skf21("1","2","7","6","5","1","4","1") = "6"
    & skf21("1","2","7","6","5","1","5","1") = "6"
    & skf21("1","2","7","6","5","1","6","1") = "6"
    & skf21("1","2","7","6","5","1","7","1") = "6"
    & skf21("1","2","7","6","5","2","1","1") = "6"
    & skf21("1","2","7","6","5","2","2","1") = "6"
    & skf21("1","2","7","6","5","2","3","1") = "6"
    & skf21("1","2","7","6","5","2","4","1") = "6"
    & skf21("1","2","7","6","5","2","5","1") = "6"
    & skf21("1","2","7","6","5","2","6","1") = "6"
    & skf21("1","2","7","6","5","2","7","1") = "6"
    & skf21("1","2","7","6","5","3","1","1") = "6"
    & skf21("1","2","7","6","5","3","2","1") = "6"
    & skf21("1","2","7","6","5","3","3","1") = "6"
    & skf21("1","2","7","6","5","3","4","1") = "6"
    & skf21("1","2","7","6","5","3","5","1") = "6"
    & skf21("1","2","7","6","5","3","6","1") = "6"
    & skf21("1","2","7","6","5","3","7","1") = "6"
    & skf21("1","2","7","6","5","4","1","1") = "6"
    & skf21("1","2","7","6","5","4","2","1") = "6"
    & skf21("1","2","7","6","5","4","3","1") = "6"
    & skf21("1","2","7","6","5","4","4","1") = "6"
    & skf21("1","2","7","6","5","4","5","1") = "6"
    & skf21("1","2","7","6","5","4","6","1") = "6"
    & skf21("1","2","7","6","5","4","7","1") = "6"
    & skf21("1","2","7","6","5","5","1","1") = "6"
    & skf21("1","2","7","6","5","5","2","1") = "6"
    & skf21("1","2","7","6","5","5","3","1") = "6"
    & skf21("1","2","7","6","5","5","4","1") = "6"
    & skf21("1","2","7","6","5","5","5","1") = "6"
    & skf21("1","2","7","6","5","5","6","1") = "6"
    & skf21("1","2","7","6","5","5","7","1") = "6"
    & skf21("1","2","7","6","5","6","1","1") = "6"
    & skf21("1","2","7","6","5","6","2","1") = "6"
    & skf21("1","2","7","6","5","6","3","1") = "6"
    & skf21("1","2","7","6","5","6","4","1") = "6"
    & skf21("1","2","7","6","5","6","5","1") = "6"
    & skf21("1","2","7","6","5","6","6","1") = "6"
    & skf21("1","2","7","6","5","6","7","1") = "6"
    & skf21("1","2","7","6","5","7","1","1") = "6"
    & skf21("1","2","7","6","5","7","2","1") = "6"
    & skf21("1","2","7","6","5","7","3","1") = "6"
    & skf21("1","2","7","6","5","7","4","1") = "6"
    & skf21("1","2","7","6","5","7","5","1") = "6"
    & skf21("1","2","7","6","5","7","6","1") = "6"
    & skf21("1","2","7","6","5","7","7","1") = "6"
    & skf21("1","2","7","6","6","1","1","1") = "6"
    & skf21("1","2","7","6","6","1","2","1") = "6"
    & skf21("1","2","7","6","6","1","3","1") = "6"
    & skf21("1","2","7","6","6","1","4","1") = "6"
    & skf21("1","2","7","6","6","1","5","1") = "6"
    & skf21("1","2","7","6","6","1","6","1") = "6"
    & skf21("1","2","7","6","6","1","7","1") = "6"
    & skf21("1","2","7","6","6","2","1","1") = "6"
    & skf21("1","2","7","6","6","2","2","1") = "6"
    & skf21("1","2","7","6","6","2","3","1") = "6"
    & skf21("1","2","7","6","6","2","4","1") = "6"
    & skf21("1","2","7","6","6","2","5","1") = "6"
    & skf21("1","2","7","6","6","2","6","1") = "6"
    & skf21("1","2","7","6","6","2","7","1") = "6"
    & skf21("1","2","7","6","6","3","1","1") = "6"
    & skf21("1","2","7","6","6","3","2","1") = "6"
    & skf21("1","2","7","6","6","3","3","1") = "6"
    & skf21("1","2","7","6","6","3","4","1") = "6"
    & skf21("1","2","7","6","6","3","5","1") = "6"
    & skf21("1","2","7","6","6","3","6","1") = "6"
    & skf21("1","2","7","6","6","3","7","1") = "6"
    & skf21("1","2","7","6","6","4","1","1") = "6"
    & skf21("1","2","7","6","6","4","2","1") = "6"
    & skf21("1","2","7","6","6","4","3","1") = "6"
    & skf21("1","2","7","6","6","4","4","1") = "6"
    & skf21("1","2","7","6","6","4","5","1") = "6"
    & skf21("1","2","7","6","6","4","6","1") = "6"
    & skf21("1","2","7","6","6","4","7","1") = "6"
    & skf21("1","2","7","6","6","5","1","1") = "6"
    & skf21("1","2","7","6","6","5","2","1") = "6"
    & skf21("1","2","7","6","6","5","3","1") = "6"
    & skf21("1","2","7","6","6","5","4","1") = "6"
    & skf21("1","2","7","6","6","5","5","1") = "6"
    & skf21("1","2","7","6","6","5","6","1") = "6"
    & skf21("1","2","7","6","6","5","7","1") = "6"
    & skf21("1","2","7","6","6","6","1","1") = "6"
    & skf21("1","2","7","6","6","6","2","1") = "6"
    & skf21("1","2","7","6","6","6","3","1") = "6"
    & skf21("1","2","7","6","6","6","4","1") = "6"
    & skf21("1","2","7","6","6","6","5","1") = "6"
    & skf21("1","2","7","6","6","6","6","1") = "6"
    & skf21("1","2","7","6","6","6","7","1") = "6"
    & skf21("1","2","7","6","6","7","1","1") = "6"
    & skf21("1","2","7","6","6","7","2","1") = "6"
    & skf21("1","2","7","6","6","7","3","1") = "6"
    & skf21("1","2","7","6","6","7","4","1") = "6"
    & skf21("1","2","7","6","6","7","5","1") = "6"
    & skf21("1","2","7","6","6","7","6","1") = "6"
    & skf21("1","2","7","6","6","7","7","1") = "6"
    & skf21("1","2","7","6","7","1","1","1") = "6"
    & skf21("1","2","7","6","7","1","2","1") = "6"
    & skf21("1","2","7","6","7","1","3","1") = "6"
    & skf21("1","2","7","6","7","1","4","1") = "6"
    & skf21("1","2","7","6","7","1","5","1") = "6"
    & skf21("1","2","7","6","7","1","6","1") = "6"
    & skf21("1","2","7","6","7","1","7","1") = "6"
    & skf21("1","2","7","6","7","2","1","1") = "6"
    & skf21("1","2","7","6","7","2","2","1") = "6"
    & skf21("1","2","7","6","7","2","3","1") = "6"
    & skf21("1","2","7","6","7","2","4","1") = "6"
    & skf21("1","2","7","6","7","2","5","1") = "6"
    & skf21("1","2","7","6","7","2","6","1") = "6"
    & skf21("1","2","7","6","7","2","7","1") = "6"
    & skf21("1","2","7","6","7","3","1","1") = "6"
    & skf21("1","2","7","6","7","3","2","1") = "6"
    & skf21("1","2","7","6","7","3","3","1") = "6"
    & skf21("1","2","7","6","7","3","4","1") = "6"
    & skf21("1","2","7","6","7","3","5","1") = "6"
    & skf21("1","2","7","6","7","3","6","1") = "6"
    & skf21("1","2","7","6","7","3","7","1") = "6"
    & skf21("1","2","7","6","7","4","1","1") = "6"
    & skf21("1","2","7","6","7","4","2","1") = "6"
    & skf21("1","2","7","6","7","4","3","1") = "6"
    & skf21("1","2","7","6","7","4","4","1") = "6"
    & skf21("1","2","7","6","7","4","5","1") = "6"
    & skf21("1","2","7","6","7","4","6","1") = "6"
    & skf21("1","2","7","6","7","4","7","1") = "6"
    & skf21("1","2","7","6","7","5","1","1") = "6"
    & skf21("1","2","7","6","7","5","2","1") = "6"
    & skf21("1","2","7","6","7","5","3","1") = "6"
    & skf21("1","2","7","6","7","5","4","1") = "6"
    & skf21("1","2","7","6","7","5","5","1") = "6"
    & skf21("1","2","7","6","7","5","6","1") = "6"
    & skf21("1","2","7","6","7","5","7","1") = "6"
    & skf21("1","2","7","6","7","6","1","1") = "6"
    & skf21("1","2","7","6","7","6","2","1") = "6"
    & skf21("1","2","7","6","7","6","3","1") = "6"
    & skf21("1","2","7","6","7","6","4","1") = "6"
    & skf21("1","2","7","6","7","6","5","1") = "6"
    & skf21("1","2","7","6","7","6","6","1") = "6"
    & skf21("1","2","7","6","7","6","7","1") = "6"
    & skf21("1","2","7","6","7","7","1","1") = "6"
    & skf21("1","2","7","6","7","7","2","1") = "6"
    & skf21("1","2","7","6","7","7","3","1") = "6"
    & skf21("1","2","7","6","7","7","4","1") = "6"
    & skf21("1","2","7","6","7","7","5","1") = "6"
    & skf21("1","2","7","6","7","7","6","1") = "6"
    & skf21("1","2","7","6","7","7","7","1") = "6"
    & skf21("1","2","7","7","1","1","1","1") = "6"
    & skf21("1","2","7","7","1","1","2","1") = "6"
    & skf21("1","2","7","7","1","1","3","1") = "6"
    & skf21("1","2","7","7","1","1","4","1") = "6"
    & skf21("1","2","7","7","1","1","5","1") = "6"
    & skf21("1","2","7","7","1","1","6","1") = "6"
    & skf21("1","2","7","7","1","1","7","1") = "6"
    & skf21("1","2","7","7","1","2","1","1") = "6"
    & skf21("1","2","7","7","1","2","2","1") = "6"
    & skf21("1","2","7","7","1","2","3","1") = "6"
    & skf21("1","2","7","7","1","2","4","1") = "6"
    & skf21("1","2","7","7","1","2","5","1") = "6"
    & skf21("1","2","7","7","1","2","6","1") = "6"
    & skf21("1","2","7","7","1","2","7","1") = "6"
    & skf21("1","2","7","7","1","3","1","1") = "6"
    & skf21("1","2","7","7","1","3","2","1") = "6"
    & skf21("1","2","7","7","1","3","3","1") = "6"
    & skf21("1","2","7","7","1","3","4","1") = "6"
    & skf21("1","2","7","7","1","3","5","1") = "6"
    & skf21("1","2","7","7","1","3","6","1") = "6"
    & skf21("1","2","7","7","1","3","7","1") = "6"
    & skf21("1","2","7","7","1","4","1","1") = "6"
    & skf21("1","2","7","7","1","4","2","1") = "6"
    & skf21("1","2","7","7","1","4","3","1") = "6"
    & skf21("1","2","7","7","1","4","4","1") = "6"
    & skf21("1","2","7","7","1","4","5","1") = "6"
    & skf21("1","2","7","7","1","4","6","1") = "6"
    & skf21("1","2","7","7","1","4","7","1") = "6"
    & skf21("1","2","7","7","1","5","1","1") = "6"
    & skf21("1","2","7","7","1","5","2","1") = "6"
    & skf21("1","2","7","7","1","5","3","1") = "6"
    & skf21("1","2","7","7","1","5","4","1") = "6"
    & skf21("1","2","7","7","1","5","5","1") = "6"
    & skf21("1","2","7","7","1","5","6","1") = "6"
    & skf21("1","2","7","7","1","5","7","1") = "6"
    & skf21("1","2","7","7","1","6","1","1") = "6"
    & skf21("1","2","7","7","1","6","2","1") = "6"
    & skf21("1","2","7","7","1","6","3","1") = "6"
    & skf21("1","2","7","7","1","6","4","1") = "6"
    & skf21("1","2","7","7","1","6","5","1") = "6"
    & skf21("1","2","7","7","1","6","6","1") = "6"
    & skf21("1","2","7","7","1","6","7","1") = "6"
    & skf21("1","2","7","7","1","7","1","1") = "6"
    & skf21("1","2","7","7","1","7","2","1") = "6"
    & skf21("1","2","7","7","1","7","3","1") = "6"
    & skf21("1","2","7","7","1","7","4","1") = "6"
    & skf21("1","2","7","7","1","7","5","1") = "6"
    & skf21("1","2","7","7","1","7","6","1") = "6"
    & skf21("1","2","7","7","1","7","7","1") = "6"
    & skf21("1","2","7","7","2","1","1","1") = "6"
    & skf21("1","2","7","7","2","1","2","1") = "6"
    & skf21("1","2","7","7","2","1","3","1") = "6"
    & skf21("1","2","7","7","2","1","4","1") = "6"
    & skf21("1","2","7","7","2","1","5","1") = "6"
    & skf21("1","2","7","7","2","1","6","1") = "6"
    & skf21("1","2","7","7","2","1","7","1") = "6"
    & skf21("1","2","7","7","2","2","1","1") = "6"
    & skf21("1","2","7","7","2","2","2","1") = "6"
    & skf21("1","2","7","7","2","2","3","1") = "6"
    & skf21("1","2","7","7","2","2","4","1") = "6"
    & skf21("1","2","7","7","2","2","5","1") = "6"
    & skf21("1","2","7","7","2","2","6","1") = "6"
    & skf21("1","2","7","7","2","2","7","1") = "6"
    & skf21("1","2","7","7","2","3","1","1") = "6"
    & skf21("1","2","7","7","2","3","2","1") = "6"
    & skf21("1","2","7","7","2","3","3","1") = "6"
    & skf21("1","2","7","7","2","3","4","1") = "6"
    & skf21("1","2","7","7","2","3","5","1") = "6"
    & skf21("1","2","7","7","2","3","6","1") = "6"
    & skf21("1","2","7","7","2","3","7","1") = "6"
    & skf21("1","2","7","7","2","4","1","1") = "6"
    & skf21("1","2","7","7","2","4","2","1") = "6"
    & skf21("1","2","7","7","2","4","3","1") = "6"
    & skf21("1","2","7","7","2","4","4","1") = "6"
    & skf21("1","2","7","7","2","4","5","1") = "6"
    & skf21("1","2","7","7","2","4","6","1") = "6"
    & skf21("1","2","7","7","2","4","7","1") = "6"
    & skf21("1","2","7","7","2","5","1","1") = "6"
    & skf21("1","2","7","7","2","5","2","1") = "6"
    & skf21("1","2","7","7","2","5","3","1") = "6"
    & skf21("1","2","7","7","2","5","4","1") = "6"
    & skf21("1","2","7","7","2","5","5","1") = "6"
    & skf21("1","2","7","7","2","5","6","1") = "6"
    & skf21("1","2","7","7","2","5","7","1") = "6"
    & skf21("1","2","7","7","2","6","1","1") = "6"
    & skf21("1","2","7","7","2","6","2","1") = "6"
    & skf21("1","2","7","7","2","6","3","1") = "6"
    & skf21("1","2","7","7","2","6","4","1") = "6"
    & skf21("1","2","7","7","2","6","5","1") = "6"
    & skf21("1","2","7","7","2","6","6","1") = "6"
    & skf21("1","2","7","7","2","6","7","1") = "6"
    & skf21("1","2","7","7","2","7","1","1") = "6"
    & skf21("1","2","7","7","2","7","2","1") = "6"
    & skf21("1","2","7","7","2","7","3","1") = "6"
    & skf21("1","2","7","7","2","7","4","1") = "6"
    & skf21("1","2","7","7","2","7","5","1") = "6"
    & skf21("1","2","7","7","2","7","6","1") = "6"
    & skf21("1","2","7","7","2","7","7","1") = "6"
    & skf21("1","2","7","7","3","1","1","1") = "6"
    & skf21("1","2","7","7","3","1","2","1") = "6"
    & skf21("1","2","7","7","3","1","3","1") = "6"
    & skf21("1","2","7","7","3","1","4","1") = "6"
    & skf21("1","2","7","7","3","1","5","1") = "6"
    & skf21("1","2","7","7","3","1","6","1") = "6"
    & skf21("1","2","7","7","3","1","7","1") = "6"
    & skf21("1","2","7","7","3","2","1","1") = "6"
    & skf21("1","2","7","7","3","2","2","1") = "6"
    & skf21("1","2","7","7","3","2","3","1") = "6"
    & skf21("1","2","7","7","3","2","4","1") = "6"
    & skf21("1","2","7","7","3","2","5","1") = "6"
    & skf21("1","2","7","7","3","2","6","1") = "6"
    & skf21("1","2","7","7","3","2","7","1") = "6"
    & skf21("1","2","7","7","3","3","1","1") = "6"
    & skf21("1","2","7","7","3","3","2","1") = "6"
    & skf21("1","2","7","7","3","3","3","1") = "6"
    & skf21("1","2","7","7","3","3","4","1") = "6"
    & skf21("1","2","7","7","3","3","5","1") = "6"
    & skf21("1","2","7","7","3","3","6","1") = "6"
    & skf21("1","2","7","7","3","3","7","1") = "6"
    & skf21("1","2","7","7","3","4","1","1") = "6"
    & skf21("1","2","7","7","3","4","2","1") = "6"
    & skf21("1","2","7","7","3","4","3","1") = "6"
    & skf21("1","2","7","7","3","4","4","1") = "6"
    & skf21("1","2","7","7","3","4","5","1") = "6"
    & skf21("1","2","7","7","3","4","6","1") = "6"
    & skf21("1","2","7","7","3","4","7","1") = "6"
    & skf21("1","2","7","7","3","5","1","1") = "6"
    & skf21("1","2","7","7","3","5","2","1") = "6"
    & skf21("1","2","7","7","3","5","3","1") = "6"
    & skf21("1","2","7","7","3","5","4","1") = "6"
    & skf21("1","2","7","7","3","5","5","1") = "6"
    & skf21("1","2","7","7","3","5","6","1") = "6"
    & skf21("1","2","7","7","3","5","7","1") = "6"
    & skf21("1","2","7","7","3","6","1","1") = "6"
    & skf21("1","2","7","7","3","6","2","1") = "6"
    & skf21("1","2","7","7","3","6","3","1") = "6"
    & skf21("1","2","7","7","3","6","4","1") = "6"
    & skf21("1","2","7","7","3","6","5","1") = "6"
    & skf21("1","2","7","7","3","6","6","1") = "6"
    & skf21("1","2","7","7","3","6","7","1") = "6"
    & skf21("1","2","7","7","3","7","1","1") = "6"
    & skf21("1","2","7","7","3","7","2","1") = "6"
    & skf21("1","2","7","7","3","7","3","1") = "6"
    & skf21("1","2","7","7","3","7","4","1") = "6"
    & skf21("1","2","7","7","3","7","5","1") = "6"
    & skf21("1","2","7","7","3","7","6","1") = "6"
    & skf21("1","2","7","7","3","7","7","1") = "6"
    & skf21("1","2","7","7","4","1","1","1") = "6"
    & skf21("1","2","7","7","4","1","2","1") = "6"
    & skf21("1","2","7","7","4","1","3","1") = "6"
    & skf21("1","2","7","7","4","1","4","1") = "6"
    & skf21("1","2","7","7","4","1","5","1") = "6"
    & skf21("1","2","7","7","4","1","6","1") = "6"
    & skf21("1","2","7","7","4","1","7","1") = "6"
    & skf21("1","2","7","7","4","2","1","1") = "6"
    & skf21("1","2","7","7","4","2","2","1") = "6"
    & skf21("1","2","7","7","4","2","3","1") = "6"
    & skf21("1","2","7","7","4","2","4","1") = "6"
    & skf21("1","2","7","7","4","2","5","1") = "6"
    & skf21("1","2","7","7","4","2","6","1") = "6"
    & skf21("1","2","7","7","4","2","7","1") = "6"
    & skf21("1","2","7","7","4","3","1","1") = "6"
    & skf21("1","2","7","7","4","3","2","1") = "6"
    & skf21("1","2","7","7","4","3","3","1") = "6"
    & skf21("1","2","7","7","4","3","4","1") = "6"
    & skf21("1","2","7","7","4","3","5","1") = "6"
    & skf21("1","2","7","7","4","3","6","1") = "6"
    & skf21("1","2","7","7","4","3","7","1") = "6"
    & skf21("1","2","7","7","4","4","1","1") = "6"
    & skf21("1","2","7","7","4","4","2","1") = "6"
    & skf21("1","2","7","7","4","4","3","1") = "6"
    & skf21("1","2","7","7","4","4","4","1") = "6"
    & skf21("1","2","7","7","4","4","5","1") = "6"
    & skf21("1","2","7","7","4","4","6","1") = "6"
    & skf21("1","2","7","7","4","4","7","1") = "6"
    & skf21("1","2","7","7","4","5","1","1") = "6"
    & skf21("1","2","7","7","4","5","2","1") = "6"
    & skf21("1","2","7","7","4","5","3","1") = "6"
    & skf21("1","2","7","7","4","5","4","1") = "6"
    & skf21("1","2","7","7","4","5","5","1") = "6"
    & skf21("1","2","7","7","4","5","6","1") = "6"
    & skf21("1","2","7","7","4","5","7","1") = "6"
    & skf21("1","2","7","7","4","6","1","1") = "6"
    & skf21("1","2","7","7","4","6","2","1") = "6"
    & skf21("1","2","7","7","4","6","3","1") = "6"
    & skf21("1","2","7","7","4","6","4","1") = "6"
    & skf21("1","2","7","7","4","6","5","1") = "6"
    & skf21("1","2","7","7","4","6","6","1") = "6"
    & skf21("1","2","7","7","4","6","7","1") = "6"
    & skf21("1","2","7","7","4","7","1","1") = "6"
    & skf21("1","2","7","7","4","7","2","1") = "6"
    & skf21("1","2","7","7","4","7","3","1") = "6"
    & skf21("1","2","7","7","4","7","4","1") = "6"
    & skf21("1","2","7","7","4","7","5","1") = "6"
    & skf21("1","2","7","7","4","7","6","1") = "6"
    & skf21("1","2","7","7","4","7","7","1") = "6"
    & skf21("1","2","7","7","5","1","1","1") = "6"
    & skf21("1","2","7","7","5","1","2","1") = "6"
    & skf21("1","2","7","7","5","1","3","1") = "6"
    & skf21("1","2","7","7","5","1","4","1") = "6"
    & skf21("1","2","7","7","5","1","5","1") = "6"
    & skf21("1","2","7","7","5","1","6","1") = "6"
    & skf21("1","2","7","7","5","1","7","1") = "6"
    & skf21("1","2","7","7","5","2","1","1") = "6"
    & skf21("1","2","7","7","5","2","2","1") = "6"
    & skf21("1","2","7","7","5","2","3","1") = "6"
    & skf21("1","2","7","7","5","2","4","1") = "6"
    & skf21("1","2","7","7","5","2","5","1") = "6"
    & skf21("1","2","7","7","5","2","6","1") = "6"
    & skf21("1","2","7","7","5","2","7","1") = "6"
    & skf21("1","2","7","7","5","3","1","1") = "6"
    & skf21("1","2","7","7","5","3","2","1") = "6"
    & skf21("1","2","7","7","5","3","3","1") = "6"
    & skf21("1","2","7","7","5","3","4","1") = "6"
    & skf21("1","2","7","7","5","3","5","1") = "6"
    & skf21("1","2","7","7","5","3","6","1") = "6"
    & skf21("1","2","7","7","5","3","7","1") = "6"
    & skf21("1","2","7","7","5","4","1","1") = "6"
    & skf21("1","2","7","7","5","4","2","1") = "6"
    & skf21("1","2","7","7","5","4","3","1") = "6"
    & skf21("1","2","7","7","5","4","4","1") = "6"
    & skf21("1","2","7","7","5","4","5","1") = "6"
    & skf21("1","2","7","7","5","4","6","1") = "6"
    & skf21("1","2","7","7","5","4","7","1") = "6"
    & skf21("1","2","7","7","5","5","1","1") = "6"
    & skf21("1","2","7","7","5","5","2","1") = "6"
    & skf21("1","2","7","7","5","5","3","1") = "6"
    & skf21("1","2","7","7","5","5","4","1") = "6"
    & skf21("1","2","7","7","5","5","5","1") = "6"
    & skf21("1","2","7","7","5","5","6","1") = "6"
    & skf21("1","2","7","7","5","5","7","1") = "6"
    & skf21("1","2","7","7","5","6","1","1") = "6"
    & skf21("1","2","7","7","5","6","2","1") = "6"
    & skf21("1","2","7","7","5","6","3","1") = "6"
    & skf21("1","2","7","7","5","6","4","1") = "6"
    & skf21("1","2","7","7","5","6","5","1") = "6"
    & skf21("1","2","7","7","5","6","6","1") = "6"
    & skf21("1","2","7","7","5","6","7","1") = "6"
    & skf21("1","2","7","7","5","7","1","1") = "6"
    & skf21("1","2","7","7","5","7","2","1") = "6"
    & skf21("1","2","7","7","5","7","3","1") = "6"
    & skf21("1","2","7","7","5","7","4","1") = "6"
    & skf21("1","2","7","7","5","7","5","1") = "6"
    & skf21("1","2","7","7","5","7","6","1") = "6"
    & skf21("1","2","7","7","5","7","7","1") = "6"
    & skf21("1","2","7","7","6","1","1","1") = "6"
    & skf21("1","2","7","7","6","1","2","1") = "6"
    & skf21("1","2","7","7","6","1","3","1") = "6"
    & skf21("1","2","7","7","6","1","4","1") = "6"
    & skf21("1","2","7","7","6","1","5","1") = "6"
    & skf21("1","2","7","7","6","1","6","1") = "6"
    & skf21("1","2","7","7","6","1","7","1") = "6"
    & skf21("1","2","7","7","6","2","1","1") = "6"
    & skf21("1","2","7","7","6","2","2","1") = "6"
    & skf21("1","2","7","7","6","2","3","1") = "6"
    & skf21("1","2","7","7","6","2","4","1") = "6"
    & skf21("1","2","7","7","6","2","5","1") = "6"
    & skf21("1","2","7","7","6","2","6","1") = "6"
    & skf21("1","2","7","7","6","2","7","1") = "6"
    & skf21("1","2","7","7","6","3","1","1") = "6"
    & skf21("1","2","7","7","6","3","2","1") = "6"
    & skf21("1","2","7","7","6","3","3","1") = "6"
    & skf21("1","2","7","7","6","3","4","1") = "6"
    & skf21("1","2","7","7","6","3","5","1") = "6"
    & skf21("1","2","7","7","6","3","6","1") = "6"
    & skf21("1","2","7","7","6","3","7","1") = "6"
    & skf21("1","2","7","7","6","4","1","1") = "6"
    & skf21("1","2","7","7","6","4","2","1") = "6"
    & skf21("1","2","7","7","6","4","3","1") = "6"
    & skf21("1","2","7","7","6","4","4","1") = "6"
    & skf21("1","2","7","7","6","4","5","1") = "6"
    & skf21("1","2","7","7","6","4","6","1") = "6"
    & skf21("1","2","7","7","6","4","7","1") = "6"
    & skf21("1","2","7","7","6","5","1","1") = "6"
    & skf21("1","2","7","7","6","5","2","1") = "6"
    & skf21("1","2","7","7","6","5","3","1") = "6"
    & skf21("1","2","7","7","6","5","4","1") = "6"
    & skf21("1","2","7","7","6","5","5","1") = "6"
    & skf21("1","2","7","7","6","5","6","1") = "6"
    & skf21("1","2","7","7","6","5","7","1") = "6"
    & skf21("1","2","7","7","6","6","1","1") = "6"
    & skf21("1","2","7","7","6","6","2","1") = "6"
    & skf21("1","2","7","7","6","6","3","1") = "6"
    & skf21("1","2","7","7","6","6","4","1") = "6"
    & skf21("1","2","7","7","6","6","5","1") = "6"
    & skf21("1","2","7","7","6","6","6","1") = "6"
    & skf21("1","2","7","7","6","6","7","1") = "6"
    & skf21("1","2","7","7","6","7","1","1") = "6"
    & skf21("1","2","7","7","6","7","2","1") = "6"
    & skf21("1","2","7","7","6","7","3","1") = "6"
    & skf21("1","2","7","7","6","7","4","1") = "6"
    & skf21("1","2","7","7","6","7","5","1") = "6"
    & skf21("1","2","7","7","6","7","6","1") = "6"
    & skf21("1","2","7","7","6","7","7","1") = "6"
    & skf21("1","2","7","7","7","1","1","1") = "6"
    & skf21("1","2","7","7","7","1","2","1") = "6"
    & skf21("1","2","7","7","7","1","3","1") = "6"
    & skf21("1","2","7","7","7","1","4","1") = "6"
    & skf21("1","2","7","7","7","1","5","1") = "6"
    & skf21("1","2","7","7","7","1","6","1") = "6"
    & skf21("1","2","7","7","7","1","7","1") = "6"
    & skf21("1","2","7","7","7","2","1","1") = "6"
    & skf21("1","2","7","7","7","2","2","1") = "6"
    & skf21("1","2","7","7","7","2","3","1") = "6"
    & skf21("1","2","7","7","7","2","4","1") = "6"
    & skf21("1","2","7","7","7","2","5","1") = "6"
    & skf21("1","2","7","7","7","2","6","1") = "6"
    & skf21("1","2","7","7","7","2","7","1") = "6"
    & skf21("1","2","7","7","7","3","1","1") = "6"
    & skf21("1","2","7","7","7","3","2","1") = "6"
    & skf21("1","2","7","7","7","3","3","1") = "6"
    & skf21("1","2","7","7","7","3","4","1") = "6"
    & skf21("1","2","7","7","7","3","5","1") = "6"
    & skf21("1","2","7","7","7","3","6","1") = "6"
    & skf21("1","2","7","7","7","3","7","1") = "6"
    & skf21("1","2","7","7","7","4","1","1") = "6"
    & skf21("1","2","7","7","7","4","2","1") = "6"
    & skf21("1","2","7","7","7","4","3","1") = "6"
    & skf21("1","2","7","7","7","4","4","1") = "6"
    & skf21("1","2","7","7","7","4","5","1") = "6"
    & skf21("1","2","7","7","7","4","6","1") = "6"
    & skf21("1","2","7","7","7","4","7","1") = "6"
    & skf21("1","2","7","7","7","5","1","1") = "6"
    & skf21("1","2","7","7","7","5","2","1") = "6"
    & skf21("1","2","7","7","7","5","3","1") = "6"
    & skf21("1","2","7","7","7","5","4","1") = "6"
    & skf21("1","2","7","7","7","5","5","1") = "6"
    & skf21("1","2","7","7","7","5","6","1") = "6"
    & skf21("1","2","7","7","7","5","7","1") = "6"
    & skf21("1","2","7","7","7","6","1","1") = "6"
    & skf21("1","2","7","7","7","6","2","1") = "6"
    & skf21("1","2","7","7","7","6","3","1") = "6"
    & skf21("1","2","7","7","7","6","4","1") = "6"
    & skf21("1","2","7","7","7","6","5","1") = "6"
    & skf21("1","2","7","7","7","6","6","1") = "6"
    & skf21("1","2","7","7","7","6","7","1") = "6"
    & skf21("1","2","7","7","7","7","1","1") = "6"
    & skf21("1","2","7","7","7","7","2","1") = "6"
    & skf21("1","2","7","7","7","7","3","1") = "6"
    & skf21("1","2","7","7","7","7","4","1") = "6"
    & skf21("1","2","7","7","7","7","5","1") = "6"
    & skf21("1","2","7","7","7","7","6","1") = "6"
    & skf21("1","2","7","7","7","7","7","1") = "6"
    & skf21("1","3","1","1","1","1","1","1") = "2"
    & skf21("1","3","1","1","1","1","2","1") = "2"
    & skf21("1","3","1","1","1","1","3","1") = "2"
    & skf21("1","3","1","1","1","1","4","1") = "3"
    & skf21("1","3","1","1","1","1","5","1") = "4"
    & skf21("1","3","1","1","1","1","6","1") = "5"
    & skf21("1","3","1","1","1","1","7","1") = "6"
    & skf21("1","3","1","1","1","2","1","1") = "2"
    & skf21("1","3","1","1","1","2","2","1") = "2"
    & skf21("1","3","1","1","1","2","3","1") = "2"
    & skf21("1","3","1","1","1","2","4","1") = "3"
    & skf21("1","3","1","1","1","2","5","1") = "4"
    & skf21("1","3","1","1","1","2","6","1") = "5"
    & skf21("1","3","1","1","1","2","7","1") = "6"
    & skf21("1","3","1","1","1","3","1","1") = "2"
    & skf21("1","3","1","1","1","3","2","1") = "2"
    & skf21("1","3","1","1","1","3","3","1") = "2"
    & skf21("1","3","1","1","1","3","4","1") = "3"
    & skf21("1","3","1","1","1","3","5","1") = "4"
    & skf21("1","3","1","1","1","3","6","1") = "5"
    & skf21("1","3","1","1","1","3","7","1") = "6"
    & skf21("1","3","1","1","1","4","1","1") = "3"
    & skf21("1","3","1","1","1","4","2","1") = "3"
    & skf21("1","3","1","1","1","4","3","1") = "3"
    & skf21("1","3","1","1","1","4","4","1") = "3"
    & skf21("1","3","1","1","1","4","5","1") = "4"
    & skf21("1","3","1","1","1","4","6","1") = "5"
    & skf21("1","3","1","1","1","4","7","1") = "6"
    & skf21("1","3","1","1","1","5","1","1") = "4"
    & skf21("1","3","1","1","1","5","2","1") = "4"
    & skf21("1","3","1","1","1","5","3","1") = "4"
    & skf21("1","3","1","1","1","5","4","1") = "4"
    & skf21("1","3","1","1","1","5","5","1") = "4"
    & skf21("1","3","1","1","1","5","6","1") = "5"
    & skf21("1","3","1","1","1","5","7","1") = "6"
    & skf21("1","3","1","1","1","6","1","1") = "5"
    & skf21("1","3","1","1","1","6","2","1") = "5"
    & skf21("1","3","1","1","1","6","3","1") = "5"
    & skf21("1","3","1","1","1","6","4","1") = "5"
    & skf21("1","3","1","1","1","6","5","1") = "5"
    & skf21("1","3","1","1","1","6","6","1") = "5"
    & skf21("1","3","1","1","1","6","7","1") = "6"
    & skf21("1","3","1","1","1","7","1","1") = "6"
    & skf21("1","3","1","1","1","7","2","1") = "6"
    & skf21("1","3","1","1","1","7","3","1") = "6"
    & skf21("1","3","1","1","1","7","4","1") = "6"
    & skf21("1","3","1","1","1","7","5","1") = "6"
    & skf21("1","3","1","1","1","7","6","1") = "6"
    & skf21("1","3","1","1","1","7","7","1") = "6"
    & skf21("1","3","1","1","2","1","1","1") = "2"
    & skf21("1","3","1","1","2","1","2","1") = "2"
    & skf21("1","3","1","1","2","1","3","1") = "2"
    & skf21("1","3","1","1","2","1","4","1") = "3"
    & skf21("1","3","1","1","2","1","5","1") = "4"
    & skf21("1","3","1","1","2","1","6","1") = "5"
    & skf21("1","3","1","1","2","1","7","1") = "6"
    & skf21("1","3","1","1","2","2","1","1") = "2"
    & skf21("1","3","1","1","2","2","2","1") = "2"
    & skf21("1","3","1","1","2","2","3","1") = "2"
    & skf21("1","3","1","1","2","2","4","1") = "3"
    & skf21("1","3","1","1","2","2","5","1") = "4"
    & skf21("1","3","1","1","2","2","6","1") = "5"
    & skf21("1","3","1","1","2","2","7","1") = "6"
    & skf21("1","3","1","1","2","3","1","1") = "2"
    & skf21("1","3","1","1","2","3","2","1") = "2"
    & skf21("1","3","1","1","2","3","3","1") = "2"
    & skf21("1","3","1","1","2","3","4","1") = "3"
    & skf21("1","3","1","1","2","3","5","1") = "4"
    & skf21("1","3","1","1","2","3","6","1") = "5"
    & skf21("1","3","1","1","2","3","7","1") = "6"
    & skf21("1","3","1","1","2","4","1","1") = "3"
    & skf21("1","3","1","1","2","4","2","1") = "3"
    & skf21("1","3","1","1","2","4","3","1") = "3"
    & skf21("1","3","1","1","2","4","4","1") = "3"
    & skf21("1","3","1","1","2","4","5","1") = "4"
    & skf21("1","3","1","1","2","4","6","1") = "5"
    & skf21("1","3","1","1","2","4","7","1") = "6"
    & skf21("1","3","1","1","2","5","1","1") = "4"
    & skf21("1","3","1","1","2","5","2","1") = "4"
    & skf21("1","3","1","1","2","5","3","1") = "4"
    & skf21("1","3","1","1","2","5","4","1") = "4"
    & skf21("1","3","1","1","2","5","5","1") = "4"
    & skf21("1","3","1","1","2","5","6","1") = "5"
    & skf21("1","3","1","1","2","5","7","1") = "6"
    & skf21("1","3","1","1","2","6","1","1") = "5"
    & skf21("1","3","1","1","2","6","2","1") = "5"
    & skf21("1","3","1","1","2","6","3","1") = "5"
    & skf21("1","3","1","1","2","6","4","1") = "5"
    & skf21("1","3","1","1","2","6","5","1") = "5"
    & skf21("1","3","1","1","2","6","6","1") = "5"
    & skf21("1","3","1","1","2","6","7","1") = "6"
    & skf21("1","3","1","1","2","7","1","1") = "6"
    & skf21("1","3","1","1","2","7","2","1") = "6"
    & skf21("1","3","1","1","2","7","3","1") = "6"
    & skf21("1","3","1","1","2","7","4","1") = "6"
    & skf21("1","3","1","1","2","7","5","1") = "6"
    & skf21("1","3","1","1","2","7","6","1") = "6"
    & skf21("1","3","1","1","2","7","7","1") = "6"
    & skf21("1","3","1","1","3","1","1","1") = "2"
    & skf21("1","3","1","1","3","1","2","1") = "2"
    & skf21("1","3","1","1","3","1","3","1") = "2"
    & skf21("1","3","1","1","3","1","4","1") = "3"
    & skf21("1","3","1","1","3","1","5","1") = "4"
    & skf21("1","3","1","1","3","1","6","1") = "5"
    & skf21("1","3","1","1","3","1","7","1") = "6"
    & skf21("1","3","1","1","3","2","1","1") = "2"
    & skf21("1","3","1","1","3","2","2","1") = "2"
    & skf21("1","3","1","1","3","2","3","1") = "2"
    & skf21("1","3","1","1","3","2","4","1") = "3"
    & skf21("1","3","1","1","3","2","5","1") = "4"
    & skf21("1","3","1","1","3","2","6","1") = "5"
    & skf21("1","3","1","1","3","2","7","1") = "6"
    & skf21("1","3","1","1","3","3","1","1") = "2"
    & skf21("1","3","1","1","3","3","2","1") = "2"
    & skf21("1","3","1","1","3","3","3","1") = "2"
    & skf21("1","3","1","1","3","3","4","1") = "3"
    & skf21("1","3","1","1","3","3","5","1") = "4"
    & skf21("1","3","1","1","3","3","6","1") = "5"
    & skf21("1","3","1","1","3","3","7","1") = "6"
    & skf21("1","3","1","1","3","4","1","1") = "3"
    & skf21("1","3","1","1","3","4","2","1") = "3"
    & skf21("1","3","1","1","3","4","3","1") = "3"
    & skf21("1","3","1","1","3","4","4","1") = "3"
    & skf21("1","3","1","1","3","4","5","1") = "4"
    & skf21("1","3","1","1","3","4","6","1") = "5"
    & skf21("1","3","1","1","3","4","7","1") = "6"
    & skf21("1","3","1","1","3","5","1","1") = "4"
    & skf21("1","3","1","1","3","5","2","1") = "4"
    & skf21("1","3","1","1","3","5","3","1") = "4"
    & skf21("1","3","1","1","3","5","4","1") = "4"
    & skf21("1","3","1","1","3","5","5","1") = "4"
    & skf21("1","3","1","1","3","5","6","1") = "5"
    & skf21("1","3","1","1","3","5","7","1") = "6"
    & skf21("1","3","1","1","3","6","1","1") = "5"
    & skf21("1","3","1","1","3","6","2","1") = "5"
    & skf21("1","3","1","1","3","6","3","1") = "5"
    & skf21("1","3","1","1","3","6","4","1") = "5"
    & skf21("1","3","1","1","3","6","5","1") = "5"
    & skf21("1","3","1","1","3","6","6","1") = "5"
    & skf21("1","3","1","1","3","6","7","1") = "6"
    & skf21("1","3","1","1","3","7","1","1") = "6"
    & skf21("1","3","1","1","3","7","2","1") = "6"
    & skf21("1","3","1","1","3","7","3","1") = "6"
    & skf21("1","3","1","1","3","7","4","1") = "6"
    & skf21("1","3","1","1","3","7","5","1") = "6"
    & skf21("1","3","1","1","3","7","6","1") = "6"
    & skf21("1","3","1","1","3","7","7","1") = "6"
    & skf21("1","3","1","1","4","1","1","1") = "3"
    & skf21("1","3","1","1","4","1","2","1") = "3"
    & skf21("1","3","1","1","4","1","3","1") = "3"
    & skf21("1","3","1","1","4","1","4","1") = "3"
    & skf21("1","3","1","1","4","1","5","1") = "4"
    & skf21("1","3","1","1","4","1","6","1") = "5"
    & skf21("1","3","1","1","4","1","7","1") = "6"
    & skf21("1","3","1","1","4","2","1","1") = "3"
    & skf21("1","3","1","1","4","2","2","1") = "3"
    & skf21("1","3","1","1","4","2","3","1") = "3"
    & skf21("1","3","1","1","4","2","4","1") = "3"
    & skf21("1","3","1","1","4","2","5","1") = "4"
    & skf21("1","3","1","1","4","2","6","1") = "5"
    & skf21("1","3","1","1","4","2","7","1") = "6"
    & skf21("1","3","1","1","4","3","1","1") = "3"
    & skf21("1","3","1","1","4","3","2","1") = "3"
    & skf21("1","3","1","1","4","3","3","1") = "3"
    & skf21("1","3","1","1","4","3","4","1") = "3"
    & skf21("1","3","1","1","4","3","5","1") = "4"
    & skf21("1","3","1","1","4","3","6","1") = "5"
    & skf21("1","3","1","1","4","3","7","1") = "6"
    & skf21("1","3","1","1","4","4","1","1") = "3"
    & skf21("1","3","1","1","4","4","2","1") = "3"
    & skf21("1","3","1","1","4","4","3","1") = "3"
    & skf21("1","3","1","1","4","4","4","1") = "3"
    & skf21("1","3","1","1","4","4","5","1") = "4"
    & skf21("1","3","1","1","4","4","6","1") = "5"
    & skf21("1","3","1","1","4","4","7","1") = "6"
    & skf21("1","3","1","1","4","5","1","1") = "4"
    & skf21("1","3","1","1","4","5","2","1") = "4"
    & skf21("1","3","1","1","4","5","3","1") = "4"
    & skf21("1","3","1","1","4","5","4","1") = "4"
    & skf21("1","3","1","1","4","5","5","1") = "4"
    & skf21("1","3","1","1","4","5","6","1") = "5"
    & skf21("1","3","1","1","4","5","7","1") = "6"
    & skf21("1","3","1","1","4","6","1","1") = "5"
    & skf21("1","3","1","1","4","6","2","1") = "5"
    & skf21("1","3","1","1","4","6","3","1") = "5"
    & skf21("1","3","1","1","4","6","4","1") = "5"
    & skf21("1","3","1","1","4","6","5","1") = "5"
    & skf21("1","3","1","1","4","6","6","1") = "5"
    & skf21("1","3","1","1","4","6","7","1") = "6"
    & skf21("1","3","1","1","4","7","1","1") = "6"
    & skf21("1","3","1","1","4","7","2","1") = "6"
    & skf21("1","3","1","1","4","7","3","1") = "6"
    & skf21("1","3","1","1","4","7","4","1") = "6"
    & skf21("1","3","1","1","4","7","5","1") = "6"
    & skf21("1","3","1","1","4","7","6","1") = "6"
    & skf21("1","3","1","1","4","7","7","1") = "6"
    & skf21("1","3","1","1","5","1","1","1") = "4"
    & skf21("1","3","1","1","5","1","2","1") = "4"
    & skf21("1","3","1","1","5","1","3","1") = "4"
    & skf21("1","3","1","1","5","1","4","1") = "4"
    & skf21("1","3","1","1","5","1","5","1") = "4"
    & skf21("1","3","1","1","5","1","6","1") = "5"
    & skf21("1","3","1","1","5","1","7","1") = "6"
    & skf21("1","3","1","1","5","2","1","1") = "4"
    & skf21("1","3","1","1","5","2","2","1") = "4"
    & skf21("1","3","1","1","5","2","3","1") = "4"
    & skf21("1","3","1","1","5","2","4","1") = "4"
    & skf21("1","3","1","1","5","2","5","1") = "4"
    & skf21("1","3","1","1","5","2","6","1") = "5"
    & skf21("1","3","1","1","5","2","7","1") = "6"
    & skf21("1","3","1","1","5","3","1","1") = "4"
    & skf21("1","3","1","1","5","3","2","1") = "4"
    & skf21("1","3","1","1","5","3","3","1") = "4"
    & skf21("1","3","1","1","5","3","4","1") = "4"
    & skf21("1","3","1","1","5","3","5","1") = "4"
    & skf21("1","3","1","1","5","3","6","1") = "5"
    & skf21("1","3","1","1","5","3","7","1") = "6"
    & skf21("1","3","1","1","5","4","1","1") = "4"
    & skf21("1","3","1","1","5","4","2","1") = "4"
    & skf21("1","3","1","1","5","4","3","1") = "4"
    & skf21("1","3","1","1","5","4","4","1") = "4"
    & skf21("1","3","1","1","5","4","5","1") = "4"
    & skf21("1","3","1","1","5","4","6","1") = "5"
    & skf21("1","3","1","1","5","4","7","1") = "6"
    & skf21("1","3","1","1","5","5","1","1") = "4"
    & skf21("1","3","1","1","5","5","2","1") = "4"
    & skf21("1","3","1","1","5","5","3","1") = "4"
    & skf21("1","3","1","1","5","5","4","1") = "4"
    & skf21("1","3","1","1","5","5","5","1") = "4"
    & skf21("1","3","1","1","5","5","6","1") = "5"
    & skf21("1","3","1","1","5","5","7","1") = "6"
    & skf21("1","3","1","1","5","6","1","1") = "5"
    & skf21("1","3","1","1","5","6","2","1") = "5"
    & skf21("1","3","1","1","5","6","3","1") = "5"
    & skf21("1","3","1","1","5","6","4","1") = "5"
    & skf21("1","3","1","1","5","6","5","1") = "5"
    & skf21("1","3","1","1","5","6","6","1") = "5"
    & skf21("1","3","1","1","5","6","7","1") = "6"
    & skf21("1","3","1","1","5","7","1","1") = "6"
    & skf21("1","3","1","1","5","7","2","1") = "6"
    & skf21("1","3","1","1","5","7","3","1") = "6"
    & skf21("1","3","1","1","5","7","4","1") = "6"
    & skf21("1","3","1","1","5","7","5","1") = "6"
    & skf21("1","3","1","1","5","7","6","1") = "6"
    & skf21("1","3","1","1","5","7","7","1") = "6"
    & skf21("1","3","1","1","6","1","1","1") = "5"
    & skf21("1","3","1","1","6","1","2","1") = "5"
    & skf21("1","3","1","1","6","1","3","1") = "5"
    & skf21("1","3","1","1","6","1","4","1") = "5"
    & skf21("1","3","1","1","6","1","5","1") = "5"
    & skf21("1","3","1","1","6","1","6","1") = "5"
    & skf21("1","3","1","1","6","1","7","1") = "6"
    & skf21("1","3","1","1","6","2","1","1") = "5"
    & skf21("1","3","1","1","6","2","2","1") = "5"
    & skf21("1","3","1","1","6","2","3","1") = "5"
    & skf21("1","3","1","1","6","2","4","1") = "5"
    & skf21("1","3","1","1","6","2","5","1") = "5"
    & skf21("1","3","1","1","6","2","6","1") = "5"
    & skf21("1","3","1","1","6","2","7","1") = "6"
    & skf21("1","3","1","1","6","3","1","1") = "5"
    & skf21("1","3","1","1","6","3","2","1") = "5"
    & skf21("1","3","1","1","6","3","3","1") = "5"
    & skf21("1","3","1","1","6","3","4","1") = "5"
    & skf21("1","3","1","1","6","3","5","1") = "5"
    & skf21("1","3","1","1","6","3","6","1") = "5"
    & skf21("1","3","1","1","6","3","7","1") = "6"
    & skf21("1","3","1","1","6","4","1","1") = "5"
    & skf21("1","3","1","1","6","4","2","1") = "5"
    & skf21("1","3","1","1","6","4","3","1") = "5"
    & skf21("1","3","1","1","6","4","4","1") = "5"
    & skf21("1","3","1","1","6","4","5","1") = "5"
    & skf21("1","3","1","1","6","4","6","1") = "5"
    & skf21("1","3","1","1","6","4","7","1") = "6"
    & skf21("1","3","1","1","6","5","1","1") = "5"
    & skf21("1","3","1","1","6","5","2","1") = "5"
    & skf21("1","3","1","1","6","5","3","1") = "5"
    & skf21("1","3","1","1","6","5","4","1") = "5"
    & skf21("1","3","1","1","6","5","5","1") = "5"
    & skf21("1","3","1","1","6","5","6","1") = "5"
    & skf21("1","3","1","1","6","5","7","1") = "6"
    & skf21("1","3","1","1","6","6","1","1") = "5"
    & skf21("1","3","1","1","6","6","2","1") = "5"
    & skf21("1","3","1","1","6","6","3","1") = "5"
    & skf21("1","3","1","1","6","6","4","1") = "5"
    & skf21("1","3","1","1","6","6","5","1") = "5"
    & skf21("1","3","1","1","6","6","6","1") = "5"
    & skf21("1","3","1","1","6","6","7","1") = "6"
    & skf21("1","3","1","1","6","7","1","1") = "6"
    & skf21("1","3","1","1","6","7","2","1") = "6"
    & skf21("1","3","1","1","6","7","3","1") = "6"
    & skf21("1","3","1","1","6","7","4","1") = "6"
    & skf21("1","3","1","1","6","7","5","1") = "6"
    & skf21("1","3","1","1","6","7","6","1") = "6"
    & skf21("1","3","1","1","6","7","7","1") = "6"
    & skf21("1","3","1","1","7","1","1","1") = "6"
    & skf21("1","3","1","1","7","1","2","1") = "6"
    & skf21("1","3","1","1","7","1","3","1") = "6"
    & skf21("1","3","1","1","7","1","4","1") = "6"
    & skf21("1","3","1","1","7","1","5","1") = "6"
    & skf21("1","3","1","1","7","1","6","1") = "6"
    & skf21("1","3","1","1","7","1","7","1") = "6"
    & skf21("1","3","1","1","7","2","1","1") = "6"
    & skf21("1","3","1","1","7","2","2","1") = "6"
    & skf21("1","3","1","1","7","2","3","1") = "6"
    & skf21("1","3","1","1","7","2","4","1") = "6"
    & skf21("1","3","1","1","7","2","5","1") = "6"
    & skf21("1","3","1","1","7","2","6","1") = "6"
    & skf21("1","3","1","1","7","2","7","1") = "6"
    & skf21("1","3","1","1","7","3","1","1") = "6"
    & skf21("1","3","1","1","7","3","2","1") = "6"
    & skf21("1","3","1","1","7","3","3","1") = "6"
    & skf21("1","3","1","1","7","3","4","1") = "6"
    & skf21("1","3","1","1","7","3","5","1") = "6"
    & skf21("1","3","1","1","7","3","6","1") = "6"
    & skf21("1","3","1","1","7","3","7","1") = "6"
    & skf21("1","3","1","1","7","4","1","1") = "6"
    & skf21("1","3","1","1","7","4","2","1") = "6"
    & skf21("1","3","1","1","7","4","3","1") = "6"
    & skf21("1","3","1","1","7","4","4","1") = "6"
    & skf21("1","3","1","1","7","4","5","1") = "6"
    & skf21("1","3","1","1","7","4","6","1") = "6"
    & skf21("1","3","1","1","7","4","7","1") = "6"
    & skf21("1","3","1","1","7","5","1","1") = "6"
    & skf21("1","3","1","1","7","5","2","1") = "6"
    & skf21("1","3","1","1","7","5","3","1") = "6"
    & skf21("1","3","1","1","7","5","4","1") = "6"
    & skf21("1","3","1","1","7","5","5","1") = "6"
    & skf21("1","3","1","1","7","5","6","1") = "6"
    & skf21("1","3","1","1","7","5","7","1") = "6"
    & skf21("1","3","1","1","7","6","1","1") = "6"
    & skf21("1","3","1","1","7","6","2","1") = "6"
    & skf21("1","3","1","1","7","6","3","1") = "6"
    & skf21("1","3","1","1","7","6","4","1") = "6"
    & skf21("1","3","1","1","7","6","5","1") = "6"
    & skf21("1","3","1","1","7","6","6","1") = "6"
    & skf21("1","3","1","1","7","6","7","1") = "6"
    & skf21("1","3","1","1","7","7","1","1") = "6"
    & skf21("1","3","1","1","7","7","2","1") = "6"
    & skf21("1","3","1","1","7","7","3","1") = "6"
    & skf21("1","3","1","1","7","7","4","1") = "6"
    & skf21("1","3","1","1","7","7","5","1") = "6"
    & skf21("1","3","1","1","7","7","6","1") = "6"
    & skf21("1","3","1","1","7","7","7","1") = "6"
    & skf21("1","3","1","2","1","1","1","1") = "2"
    & skf21("1","3","1","2","1","1","2","1") = "2"
    & skf21("1","3","1","2","1","1","3","1") = "2"
    & skf21("1","3","1","2","1","1","4","1") = "3"
    & skf21("1","3","1","2","1","1","5","1") = "4"
    & skf21("1","3","1","2","1","1","6","1") = "5"
    & skf21("1","3","1","2","1","1","7","1") = "6"
    & skf21("1","3","1","2","1","2","1","1") = "2"
    & skf21("1","3","1","2","1","2","2","1") = "2"
    & skf21("1","3","1","2","1","2","3","1") = "2"
    & skf21("1","3","1","2","1","2","4","1") = "3"
    & skf21("1","3","1","2","1","2","5","1") = "4"
    & skf21("1","3","1","2","1","2","6","1") = "5"
    & skf21("1","3","1","2","1","2","7","1") = "6"
    & skf21("1","3","1","2","1","3","1","1") = "2"
    & skf21("1","3","1","2","1","3","2","1") = "2"
    & skf21("1","3","1","2","1","3","3","1") = "2"
    & skf21("1","3","1","2","1","3","4","1") = "3"
    & skf21("1","3","1","2","1","3","5","1") = "4"
    & skf21("1","3","1","2","1","3","6","1") = "5"
    & skf21("1","3","1","2","1","3","7","1") = "6"
    & skf21("1","3","1","2","1","4","1","1") = "3"
    & skf21("1","3","1","2","1","4","2","1") = "3"
    & skf21("1","3","1","2","1","4","3","1") = "3"
    & skf21("1","3","1","2","1","4","4","1") = "3"
    & skf21("1","3","1","2","1","4","5","1") = "4"
    & skf21("1","3","1","2","1","4","6","1") = "5"
    & skf21("1","3","1","2","1","4","7","1") = "6"
    & skf21("1","3","1","2","1","5","1","1") = "4"
    & skf21("1","3","1","2","1","5","2","1") = "4"
    & skf21("1","3","1","2","1","5","3","1") = "4"
    & skf21("1","3","1","2","1","5","4","1") = "4"
    & skf21("1","3","1","2","1","5","5","1") = "4"
    & skf21("1","3","1","2","1","5","6","1") = "5"
    & skf21("1","3","1","2","1","5","7","1") = "6"
    & skf21("1","3","1","2","1","6","1","1") = "5"
    & skf21("1","3","1","2","1","6","2","1") = "5"
    & skf21("1","3","1","2","1","6","3","1") = "5"
    & skf21("1","3","1","2","1","6","4","1") = "5"
    & skf21("1","3","1","2","1","6","5","1") = "5"
    & skf21("1","3","1","2","1","6","6","1") = "5"
    & skf21("1","3","1","2","1","6","7","1") = "6"
    & skf21("1","3","1","2","1","7","1","1") = "6"
    & skf21("1","3","1","2","1","7","2","1") = "6"
    & skf21("1","3","1","2","1","7","3","1") = "6"
    & skf21("1","3","1","2","1","7","4","1") = "6"
    & skf21("1","3","1","2","1","7","5","1") = "6"
    & skf21("1","3","1","2","1","7","6","1") = "6"
    & skf21("1","3","1","2","1","7","7","1") = "6"
    & skf21("1","3","1","2","2","1","1","1") = "2"
    & skf21("1","3","1","2","2","1","2","1") = "2"
    & skf21("1","3","1","2","2","1","3","1") = "2"
    & skf21("1","3","1","2","2","1","4","1") = "3"
    & skf21("1","3","1","2","2","1","5","1") = "4"
    & skf21("1","3","1","2","2","1","6","1") = "5"
    & skf21("1","3","1","2","2","1","7","1") = "6"
    & skf21("1","3","1","2","2","2","1","1") = "2"
    & skf21("1","3","1","2","2","2","2","1") = "2"
    & skf21("1","3","1","2","2","2","3","1") = "2"
    & skf21("1","3","1","2","2","2","4","1") = "3"
    & skf21("1","3","1","2","2","2","5","1") = "4"
    & skf21("1","3","1","2","2","2","6","1") = "5"
    & skf21("1","3","1","2","2","2","7","1") = "6"
    & skf21("1","3","1","2","2","3","1","1") = "2"
    & skf21("1","3","1","2","2","3","2","1") = "2"
    & skf21("1","3","1","2","2","3","3","1") = "2"
    & skf21("1","3","1","2","2","3","4","1") = "3"
    & skf21("1","3","1","2","2","3","5","1") = "4"
    & skf21("1","3","1","2","2","3","6","1") = "5"
    & skf21("1","3","1","2","2","3","7","1") = "6"
    & skf21("1","3","1","2","2","4","1","1") = "3"
    & skf21("1","3","1","2","2","4","2","1") = "3"
    & skf21("1","3","1","2","2","4","3","1") = "3"
    & skf21("1","3","1","2","2","4","4","1") = "3"
    & skf21("1","3","1","2","2","4","5","1") = "4"
    & skf21("1","3","1","2","2","4","6","1") = "5"
    & skf21("1","3","1","2","2","4","7","1") = "6"
    & skf21("1","3","1","2","2","5","1","1") = "4"
    & skf21("1","3","1","2","2","5","2","1") = "4"
    & skf21("1","3","1","2","2","5","3","1") = "4"
    & skf21("1","3","1","2","2","5","4","1") = "4"
    & skf21("1","3","1","2","2","5","5","1") = "4"
    & skf21("1","3","1","2","2","5","6","1") = "5"
    & skf21("1","3","1","2","2","5","7","1") = "6"
    & skf21("1","3","1","2","2","6","1","1") = "5"
    & skf21("1","3","1","2","2","6","2","1") = "5"
    & skf21("1","3","1","2","2","6","3","1") = "5"
    & skf21("1","3","1","2","2","6","4","1") = "5"
    & skf21("1","3","1","2","2","6","5","1") = "5"
    & skf21("1","3","1","2","2","6","6","1") = "5"
    & skf21("1","3","1","2","2","6","7","1") = "6"
    & skf21("1","3","1","2","2","7","1","1") = "6"
    & skf21("1","3","1","2","2","7","2","1") = "6"
    & skf21("1","3","1","2","2","7","3","1") = "6"
    & skf21("1","3","1","2","2","7","4","1") = "6"
    & skf21("1","3","1","2","2","7","5","1") = "6"
    & skf21("1","3","1","2","2","7","6","1") = "6"
    & skf21("1","3","1","2","2","7","7","1") = "6"
    & skf21("1","3","1","2","3","1","1","1") = "2"
    & skf21("1","3","1","2","3","1","2","1") = "2"
    & skf21("1","3","1","2","3","1","3","1") = "2"
    & skf21("1","3","1","2","3","1","4","1") = "3"
    & skf21("1","3","1","2","3","1","5","1") = "4"
    & skf21("1","3","1","2","3","1","6","1") = "5"
    & skf21("1","3","1","2","3","1","7","1") = "6"
    & skf21("1","3","1","2","3","2","1","1") = "2"
    & skf21("1","3","1","2","3","2","2","1") = "2"
    & skf21("1","3","1","2","3","2","3","1") = "2"
    & skf21("1","3","1","2","3","2","4","1") = "3"
    & skf21("1","3","1","2","3","2","5","1") = "4"
    & skf21("1","3","1","2","3","2","6","1") = "5"
    & skf21("1","3","1","2","3","2","7","1") = "6"
    & skf21("1","3","1","2","3","3","1","1") = "2"
    & skf21("1","3","1","2","3","3","2","1") = "2"
    & skf21("1","3","1","2","3","3","3","1") = "2"
    & skf21("1","3","1","2","3","3","4","1") = "3"
    & skf21("1","3","1","2","3","3","5","1") = "4"
    & skf21("1","3","1","2","3","3","6","1") = "5"
    & skf21("1","3","1","2","3","3","7","1") = "6"
    & skf21("1","3","1","2","3","4","1","1") = "3"
    & skf21("1","3","1","2","3","4","2","1") = "3"
    & skf21("1","3","1","2","3","4","3","1") = "3"
    & skf21("1","3","1","2","3","4","4","1") = "3"
    & skf21("1","3","1","2","3","4","5","1") = "4"
    & skf21("1","3","1","2","3","4","6","1") = "5"
    & skf21("1","3","1","2","3","4","7","1") = "6"
    & skf21("1","3","1","2","3","5","1","1") = "4"
    & skf21("1","3","1","2","3","5","2","1") = "4"
    & skf21("1","3","1","2","3","5","3","1") = "4"
    & skf21("1","3","1","2","3","5","4","1") = "4"
    & skf21("1","3","1","2","3","5","5","1") = "4"
    & skf21("1","3","1","2","3","5","6","1") = "5"
    & skf21("1","3","1","2","3","5","7","1") = "6"
    & skf21("1","3","1","2","3","6","1","1") = "5"
    & skf21("1","3","1","2","3","6","2","1") = "5"
    & skf21("1","3","1","2","3","6","3","1") = "5"
    & skf21("1","3","1","2","3","6","4","1") = "5"
    & skf21("1","3","1","2","3","6","5","1") = "5"
    & skf21("1","3","1","2","3","6","6","1") = "5"
    & skf21("1","3","1","2","3","6","7","1") = "6"
    & skf21("1","3","1","2","3","7","1","1") = "6"
    & skf21("1","3","1","2","3","7","2","1") = "6"
    & skf21("1","3","1","2","3","7","3","1") = "6"
    & skf21("1","3","1","2","3","7","4","1") = "6"
    & skf21("1","3","1","2","3","7","5","1") = "6"
    & skf21("1","3","1","2","3","7","6","1") = "6"
    & skf21("1","3","1","2","3","7","7","1") = "6"
    & skf21("1","3","1","2","4","1","1","1") = "3"
    & skf21("1","3","1","2","4","1","2","1") = "3"
    & skf21("1","3","1","2","4","1","3","1") = "3"
    & skf21("1","3","1","2","4","1","4","1") = "3"
    & skf21("1","3","1","2","4","1","5","1") = "4"
    & skf21("1","3","1","2","4","1","6","1") = "5"
    & skf21("1","3","1","2","4","1","7","1") = "6"
    & skf21("1","3","1","2","4","2","1","1") = "3"
    & skf21("1","3","1","2","4","2","2","1") = "3"
    & skf21("1","3","1","2","4","2","3","1") = "3"
    & skf21("1","3","1","2","4","2","4","1") = "3"
    & skf21("1","3","1","2","4","2","5","1") = "4"
    & skf21("1","3","1","2","4","2","6","1") = "5"
    & skf21("1","3","1","2","4","2","7","1") = "6"
    & skf21("1","3","1","2","4","3","1","1") = "3"
    & skf21("1","3","1","2","4","3","2","1") = "3"
    & skf21("1","3","1","2","4","3","3","1") = "3"
    & skf21("1","3","1","2","4","3","4","1") = "3"
    & skf21("1","3","1","2","4","3","5","1") = "4"
    & skf21("1","3","1","2","4","3","6","1") = "5"
    & skf21("1","3","1","2","4","3","7","1") = "6"
    & skf21("1","3","1","2","4","4","1","1") = "3"
    & skf21("1","3","1","2","4","4","2","1") = "3"
    & skf21("1","3","1","2","4","4","3","1") = "3"
    & skf21("1","3","1","2","4","4","4","1") = "3"
    & skf21("1","3","1","2","4","4","5","1") = "4"
    & skf21("1","3","1","2","4","4","6","1") = "5"
    & skf21("1","3","1","2","4","4","7","1") = "6"
    & skf21("1","3","1","2","4","5","1","1") = "4"
    & skf21("1","3","1","2","4","5","2","1") = "4"
    & skf21("1","3","1","2","4","5","3","1") = "4"
    & skf21("1","3","1","2","4","5","4","1") = "4"
    & skf21("1","3","1","2","4","5","5","1") = "4"
    & skf21("1","3","1","2","4","5","6","1") = "5"
    & skf21("1","3","1","2","4","5","7","1") = "6"
    & skf21("1","3","1","2","4","6","1","1") = "5"
    & skf21("1","3","1","2","4","6","2","1") = "5"
    & skf21("1","3","1","2","4","6","3","1") = "5"
    & skf21("1","3","1","2","4","6","4","1") = "5"
    & skf21("1","3","1","2","4","6","5","1") = "5"
    & skf21("1","3","1","2","4","6","6","1") = "5"
    & skf21("1","3","1","2","4","6","7","1") = "6"
    & skf21("1","3","1","2","4","7","1","1") = "6"
    & skf21("1","3","1","2","4","7","2","1") = "6"
    & skf21("1","3","1","2","4","7","3","1") = "6"
    & skf21("1","3","1","2","4","7","4","1") = "6"
    & skf21("1","3","1","2","4","7","5","1") = "6"
    & skf21("1","3","1","2","4","7","6","1") = "6"
    & skf21("1","3","1","2","4","7","7","1") = "6"
    & skf21("1","3","1","2","5","1","1","1") = "4"
    & skf21("1","3","1","2","5","1","2","1") = "4"
    & skf21("1","3","1","2","5","1","3","1") = "4"
    & skf21("1","3","1","2","5","1","4","1") = "4"
    & skf21("1","3","1","2","5","1","5","1") = "4"
    & skf21("1","3","1","2","5","1","6","1") = "5"
    & skf21("1","3","1","2","5","1","7","1") = "6"
    & skf21("1","3","1","2","5","2","1","1") = "4"
    & skf21("1","3","1","2","5","2","2","1") = "4"
    & skf21("1","3","1","2","5","2","3","1") = "4"
    & skf21("1","3","1","2","5","2","4","1") = "4"
    & skf21("1","3","1","2","5","2","5","1") = "4"
    & skf21("1","3","1","2","5","2","6","1") = "5"
    & skf21("1","3","1","2","5","2","7","1") = "6"
    & skf21("1","3","1","2","5","3","1","1") = "4"
    & skf21("1","3","1","2","5","3","2","1") = "4"
    & skf21("1","3","1","2","5","3","3","1") = "4"
    & skf21("1","3","1","2","5","3","4","1") = "4"
    & skf21("1","3","1","2","5","3","5","1") = "4"
    & skf21("1","3","1","2","5","3","6","1") = "5"
    & skf21("1","3","1","2","5","3","7","1") = "6"
    & skf21("1","3","1","2","5","4","1","1") = "4"
    & skf21("1","3","1","2","5","4","2","1") = "4"
    & skf21("1","3","1","2","5","4","3","1") = "4"
    & skf21("1","3","1","2","5","4","4","1") = "4"
    & skf21("1","3","1","2","5","4","5","1") = "4"
    & skf21("1","3","1","2","5","4","6","1") = "5"
    & skf21("1","3","1","2","5","4","7","1") = "6"
    & skf21("1","3","1","2","5","5","1","1") = "4"
    & skf21("1","3","1","2","5","5","2","1") = "4"
    & skf21("1","3","1","2","5","5","3","1") = "4"
    & skf21("1","3","1","2","5","5","4","1") = "4"
    & skf21("1","3","1","2","5","5","5","1") = "4"
    & skf21("1","3","1","2","5","5","6","1") = "5"
    & skf21("1","3","1","2","5","5","7","1") = "6"
    & skf21("1","3","1","2","5","6","1","1") = "5"
    & skf21("1","3","1","2","5","6","2","1") = "5"
    & skf21("1","3","1","2","5","6","3","1") = "5"
    & skf21("1","3","1","2","5","6","4","1") = "5"
    & skf21("1","3","1","2","5","6","5","1") = "5"
    & skf21("1","3","1","2","5","6","6","1") = "5"
    & skf21("1","3","1","2","5","6","7","1") = "6"
    & skf21("1","3","1","2","5","7","1","1") = "6"
    & skf21("1","3","1","2","5","7","2","1") = "6"
    & skf21("1","3","1","2","5","7","3","1") = "6"
    & skf21("1","3","1","2","5","7","4","1") = "6"
    & skf21("1","3","1","2","5","7","5","1") = "6"
    & skf21("1","3","1","2","5","7","6","1") = "6"
    & skf21("1","3","1","2","5","7","7","1") = "6"
    & skf21("1","3","1","2","6","1","1","1") = "5"
    & skf21("1","3","1","2","6","1","2","1") = "5"
    & skf21("1","3","1","2","6","1","3","1") = "5"
    & skf21("1","3","1","2","6","1","4","1") = "5"
    & skf21("1","3","1","2","6","1","5","1") = "5"
    & skf21("1","3","1","2","6","1","6","1") = "5"
    & skf21("1","3","1","2","6","1","7","1") = "6"
    & skf21("1","3","1","2","6","2","1","1") = "5"
    & skf21("1","3","1","2","6","2","2","1") = "5"
    & skf21("1","3","1","2","6","2","3","1") = "5"
    & skf21("1","3","1","2","6","2","4","1") = "5"
    & skf21("1","3","1","2","6","2","5","1") = "5"
    & skf21("1","3","1","2","6","2","6","1") = "5"
    & skf21("1","3","1","2","6","2","7","1") = "6"
    & skf21("1","3","1","2","6","3","1","1") = "5"
    & skf21("1","3","1","2","6","3","2","1") = "5"
    & skf21("1","3","1","2","6","3","3","1") = "5"
    & skf21("1","3","1","2","6","3","4","1") = "5"
    & skf21("1","3","1","2","6","3","5","1") = "5"
    & skf21("1","3","1","2","6","3","6","1") = "5"
    & skf21("1","3","1","2","6","3","7","1") = "6"
    & skf21("1","3","1","2","6","4","1","1") = "5"
    & skf21("1","3","1","2","6","4","2","1") = "5"
    & skf21("1","3","1","2","6","4","3","1") = "5"
    & skf21("1","3","1","2","6","4","4","1") = "5"
    & skf21("1","3","1","2","6","4","5","1") = "5"
    & skf21("1","3","1","2","6","4","6","1") = "5"
    & skf21("1","3","1","2","6","4","7","1") = "6"
    & skf21("1","3","1","2","6","5","1","1") = "5"
    & skf21("1","3","1","2","6","5","2","1") = "5"
    & skf21("1","3","1","2","6","5","3","1") = "5"
    & skf21("1","3","1","2","6","5","4","1") = "5"
    & skf21("1","3","1","2","6","5","5","1") = "5"
    & skf21("1","3","1","2","6","5","6","1") = "5"
    & skf21("1","3","1","2","6","5","7","1") = "6"
    & skf21("1","3","1","2","6","6","1","1") = "5"
    & skf21("1","3","1","2","6","6","2","1") = "5"
    & skf21("1","3","1","2","6","6","3","1") = "5"
    & skf21("1","3","1","2","6","6","4","1") = "5"
    & skf21("1","3","1","2","6","6","5","1") = "5"
    & skf21("1","3","1","2","6","6","6","1") = "5"
    & skf21("1","3","1","2","6","6","7","1") = "6"
    & skf21("1","3","1","2","6","7","1","1") = "6"
    & skf21("1","3","1","2","6","7","2","1") = "6"
    & skf21("1","3","1","2","6","7","3","1") = "6"
    & skf21("1","3","1","2","6","7","4","1") = "6"
    & skf21("1","3","1","2","6","7","5","1") = "6"
    & skf21("1","3","1","2","6","7","6","1") = "6"
    & skf21("1","3","1","2","6","7","7","1") = "6"
    & skf21("1","3","1","2","7","1","1","1") = "6"
    & skf21("1","3","1","2","7","1","2","1") = "6"
    & skf21("1","3","1","2","7","1","3","1") = "6"
    & skf21("1","3","1","2","7","1","4","1") = "6"
    & skf21("1","3","1","2","7","1","5","1") = "6"
    & skf21("1","3","1","2","7","1","6","1") = "6"
    & skf21("1","3","1","2","7","1","7","1") = "6"
    & skf21("1","3","1","2","7","2","1","1") = "6"
    & skf21("1","3","1","2","7","2","2","1") = "6"
    & skf21("1","3","1","2","7","2","3","1") = "6"
    & skf21("1","3","1","2","7","2","4","1") = "6"
    & skf21("1","3","1","2","7","2","5","1") = "6"
    & skf21("1","3","1","2","7","2","6","1") = "6"
    & skf21("1","3","1","2","7","2","7","1") = "6"
    & skf21("1","3","1","2","7","3","1","1") = "6"
    & skf21("1","3","1","2","7","3","2","1") = "6"
    & skf21("1","3","1","2","7","3","3","1") = "6"
    & skf21("1","3","1","2","7","3","4","1") = "6"
    & skf21("1","3","1","2","7","3","5","1") = "6"
    & skf21("1","3","1","2","7","3","6","1") = "6"
    & skf21("1","3","1","2","7","3","7","1") = "6"
    & skf21("1","3","1","2","7","4","1","1") = "6"
    & skf21("1","3","1","2","7","4","2","1") = "6"
    & skf21("1","3","1","2","7","4","3","1") = "6"
    & skf21("1","3","1","2","7","4","4","1") = "6"
    & skf21("1","3","1","2","7","4","5","1") = "6"
    & skf21("1","3","1","2","7","4","6","1") = "6"
    & skf21("1","3","1","2","7","4","7","1") = "6"
    & skf21("1","3","1","2","7","5","1","1") = "6"
    & skf21("1","3","1","2","7","5","2","1") = "6"
    & skf21("1","3","1","2","7","5","3","1") = "6"
    & skf21("1","3","1","2","7","5","4","1") = "6"
    & skf21("1","3","1","2","7","5","5","1") = "6"
    & skf21("1","3","1","2","7","5","6","1") = "6"
    & skf21("1","3","1","2","7","5","7","1") = "6"
    & skf21("1","3","1","2","7","6","1","1") = "6"
    & skf21("1","3","1","2","7","6","2","1") = "6"
    & skf21("1","3","1","2","7","6","3","1") = "6"
    & skf21("1","3","1","2","7","6","4","1") = "6"
    & skf21("1","3","1","2","7","6","5","1") = "6"
    & skf21("1","3","1","2","7","6","6","1") = "6"
    & skf21("1","3","1","2","7","6","7","1") = "6"
    & skf21("1","3","1","2","7","7","1","1") = "6"
    & skf21("1","3","1","2","7","7","2","1") = "6"
    & skf21("1","3","1","2","7","7","3","1") = "6"
    & skf21("1","3","1","2","7","7","4","1") = "6"
    & skf21("1","3","1","2","7","7","5","1") = "6"
    & skf21("1","3","1","2","7","7","6","1") = "6"
    & skf21("1","3","1","2","7","7","7","1") = "6"
    & skf21("1","3","1","3","1","1","1","1") = "2"
    & skf21("1","3","1","3","1","1","2","1") = "2"
    & skf21("1","3","1","3","1","1","3","1") = "2"
    & skf21("1","3","1","3","1","1","4","1") = "3"
    & skf21("1","3","1","3","1","1","5","1") = "4"
    & skf21("1","3","1","3","1","1","6","1") = "5"
    & skf21("1","3","1","3","1","1","7","1") = "6"
    & skf21("1","3","1","3","1","2","1","1") = "2"
    & skf21("1","3","1","3","1","2","2","1") = "2"
    & skf21("1","3","1","3","1","2","3","1") = "2"
    & skf21("1","3","1","3","1","2","4","1") = "3"
    & skf21("1","3","1","3","1","2","5","1") = "4"
    & skf21("1","3","1","3","1","2","6","1") = "5"
    & skf21("1","3","1","3","1","2","7","1") = "6"
    & skf21("1","3","1","3","1","3","1","1") = "2"
    & skf21("1","3","1","3","1","3","2","1") = "2"
    & skf21("1","3","1","3","1","3","3","1") = "2"
    & skf21("1","3","1","3","1","3","4","1") = "3"
    & skf21("1","3","1","3","1","3","5","1") = "4"
    & skf21("1","3","1","3","1","3","6","1") = "5"
    & skf21("1","3","1","3","1","3","7","1") = "6"
    & skf21("1","3","1","3","1","4","1","1") = "3"
    & skf21("1","3","1","3","1","4","2","1") = "3"
    & skf21("1","3","1","3","1","4","3","1") = "3"
    & skf21("1","3","1","3","1","4","4","1") = "3"
    & skf21("1","3","1","3","1","4","5","1") = "4"
    & skf21("1","3","1","3","1","4","6","1") = "5"
    & skf21("1","3","1","3","1","4","7","1") = "6"
    & skf21("1","3","1","3","1","5","1","1") = "4"
    & skf21("1","3","1","3","1","5","2","1") = "4"
    & skf21("1","3","1","3","1","5","3","1") = "4"
    & skf21("1","3","1","3","1","5","4","1") = "4"
    & skf21("1","3","1","3","1","5","5","1") = "4"
    & skf21("1","3","1","3","1","5","6","1") = "5"
    & skf21("1","3","1","3","1","5","7","1") = "6"
    & skf21("1","3","1","3","1","6","1","1") = "5"
    & skf21("1","3","1","3","1","6","2","1") = "5"
    & skf21("1","3","1","3","1","6","3","1") = "5"
    & skf21("1","3","1","3","1","6","4","1") = "5"
    & skf21("1","3","1","3","1","6","5","1") = "5"
    & skf21("1","3","1","3","1","6","6","1") = "5"
    & skf21("1","3","1","3","1","6","7","1") = "6"
    & skf21("1","3","1","3","1","7","1","1") = "6"
    & skf21("1","3","1","3","1","7","2","1") = "6"
    & skf21("1","3","1","3","1","7","3","1") = "6"
    & skf21("1","3","1","3","1","7","4","1") = "6"
    & skf21("1","3","1","3","1","7","5","1") = "6"
    & skf21("1","3","1","3","1","7","6","1") = "6"
    & skf21("1","3","1","3","1","7","7","1") = "6"
    & skf21("1","3","1","3","2","1","1","1") = "2"
    & skf21("1","3","1","3","2","1","2","1") = "2"
    & skf21("1","3","1","3","2","1","3","1") = "2"
    & skf21("1","3","1","3","2","1","4","1") = "3"
    & skf21("1","3","1","3","2","1","5","1") = "4"
    & skf21("1","3","1","3","2","1","6","1") = "5"
    & skf21("1","3","1","3","2","1","7","1") = "6"
    & skf21("1","3","1","3","2","2","1","1") = "2"
    & skf21("1","3","1","3","2","2","2","1") = "2"
    & skf21("1","3","1","3","2","2","3","1") = "2"
    & skf21("1","3","1","3","2","2","4","1") = "3"
    & skf21("1","3","1","3","2","2","5","1") = "4"
    & skf21("1","3","1","3","2","2","6","1") = "5"
    & skf21("1","3","1","3","2","2","7","1") = "6"
    & skf21("1","3","1","3","2","3","1","1") = "2"
    & skf21("1","3","1","3","2","3","2","1") = "2"
    & skf21("1","3","1","3","2","3","3","1") = "2"
    & skf21("1","3","1","3","2","3","4","1") = "3"
    & skf21("1","3","1","3","2","3","5","1") = "4"
    & skf21("1","3","1","3","2","3","6","1") = "5"
    & skf21("1","3","1","3","2","3","7","1") = "6"
    & skf21("1","3","1","3","2","4","1","1") = "3"
    & skf21("1","3","1","3","2","4","2","1") = "3"
    & skf21("1","3","1","3","2","4","3","1") = "3"
    & skf21("1","3","1","3","2","4","4","1") = "3"
    & skf21("1","3","1","3","2","4","5","1") = "4"
    & skf21("1","3","1","3","2","4","6","1") = "5"
    & skf21("1","3","1","3","2","4","7","1") = "6"
    & skf21("1","3","1","3","2","5","1","1") = "4"
    & skf21("1","3","1","3","2","5","2","1") = "4"
    & skf21("1","3","1","3","2","5","3","1") = "4"
    & skf21("1","3","1","3","2","5","4","1") = "4"
    & skf21("1","3","1","3","2","5","5","1") = "4"
    & skf21("1","3","1","3","2","5","6","1") = "5"
    & skf21("1","3","1","3","2","5","7","1") = "6"
    & skf21("1","3","1","3","2","6","1","1") = "5"
    & skf21("1","3","1","3","2","6","2","1") = "5"
    & skf21("1","3","1","3","2","6","3","1") = "5"
    & skf21("1","3","1","3","2","6","4","1") = "5"
    & skf21("1","3","1","3","2","6","5","1") = "5"
    & skf21("1","3","1","3","2","6","6","1") = "5"
    & skf21("1","3","1","3","2","6","7","1") = "6"
    & skf21("1","3","1","3","2","7","1","1") = "6"
    & skf21("1","3","1","3","2","7","2","1") = "6"
    & skf21("1","3","1","3","2","7","3","1") = "6"
    & skf21("1","3","1","3","2","7","4","1") = "6"
    & skf21("1","3","1","3","2","7","5","1") = "6"
    & skf21("1","3","1","3","2","7","6","1") = "6"
    & skf21("1","3","1","3","2","7","7","1") = "6"
    & skf21("1","3","1","3","3","1","1","1") = "2"
    & skf21("1","3","1","3","3","1","2","1") = "2"
    & skf21("1","3","1","3","3","1","3","1") = "2"
    & skf21("1","3","1","3","3","1","4","1") = "3"
    & skf21("1","3","1","3","3","1","5","1") = "4"
    & skf21("1","3","1","3","3","1","6","1") = "5"
    & skf21("1","3","1","3","3","1","7","1") = "6"
    & skf21("1","3","1","3","3","2","1","1") = "2"
    & skf21("1","3","1","3","3","2","2","1") = "2"
    & skf21("1","3","1","3","3","2","3","1") = "2"
    & skf21("1","3","1","3","3","2","4","1") = "3"
    & skf21("1","3","1","3","3","2","5","1") = "4"
    & skf21("1","3","1","3","3","2","6","1") = "5"
    & skf21("1","3","1","3","3","2","7","1") = "6"
    & skf21("1","3","1","3","3","3","1","1") = "2"
    & skf21("1","3","1","3","3","3","2","1") = "2"
    & skf21("1","3","1","3","3","3","3","1") = "2"
    & skf21("1","3","1","3","3","3","4","1") = "3"
    & skf21("1","3","1","3","3","3","5","1") = "4"
    & skf21("1","3","1","3","3","3","6","1") = "5"
    & skf21("1","3","1","3","3","3","7","1") = "6"
    & skf21("1","3","1","3","3","4","1","1") = "3"
    & skf21("1","3","1","3","3","4","2","1") = "3"
    & skf21("1","3","1","3","3","4","3","1") = "3"
    & skf21("1","3","1","3","3","4","4","1") = "3"
    & skf21("1","3","1","3","3","4","5","1") = "4"
    & skf21("1","3","1","3","3","4","6","1") = "5"
    & skf21("1","3","1","3","3","4","7","1") = "6"
    & skf21("1","3","1","3","3","5","1","1") = "4"
    & skf21("1","3","1","3","3","5","2","1") = "4"
    & skf21("1","3","1","3","3","5","3","1") = "4"
    & skf21("1","3","1","3","3","5","4","1") = "4"
    & skf21("1","3","1","3","3","5","5","1") = "4"
    & skf21("1","3","1","3","3","5","6","1") = "5"
    & skf21("1","3","1","3","3","5","7","1") = "6"
    & skf21("1","3","1","3","3","6","1","1") = "5"
    & skf21("1","3","1","3","3","6","2","1") = "5"
    & skf21("1","3","1","3","3","6","3","1") = "5"
    & skf21("1","3","1","3","3","6","4","1") = "5"
    & skf21("1","3","1","3","3","6","5","1") = "5"
    & skf21("1","3","1","3","3","6","6","1") = "5"
    & skf21("1","3","1","3","3","6","7","1") = "6"
    & skf21("1","3","1","3","3","7","1","1") = "6"
    & skf21("1","3","1","3","3","7","2","1") = "6"
    & skf21("1","3","1","3","3","7","3","1") = "6"
    & skf21("1","3","1","3","3","7","4","1") = "6"
    & skf21("1","3","1","3","3","7","5","1") = "6"
    & skf21("1","3","1","3","3","7","6","1") = "6"
    & skf21("1","3","1","3","3","7","7","1") = "6"
    & skf21("1","3","1","3","4","1","1","1") = "3"
    & skf21("1","3","1","3","4","1","2","1") = "3"
    & skf21("1","3","1","3","4","1","3","1") = "3"
    & skf21("1","3","1","3","4","1","4","1") = "3"
    & skf21("1","3","1","3","4","1","5","1") = "4"
    & skf21("1","3","1","3","4","1","6","1") = "5"
    & skf21("1","3","1","3","4","1","7","1") = "6"
    & skf21("1","3","1","3","4","2","1","1") = "3"
    & skf21("1","3","1","3","4","2","2","1") = "3"
    & skf21("1","3","1","3","4","2","3","1") = "3"
    & skf21("1","3","1","3","4","2","4","1") = "3"
    & skf21("1","3","1","3","4","2","5","1") = "4"
    & skf21("1","3","1","3","4","2","6","1") = "5"
    & skf21("1","3","1","3","4","2","7","1") = "6"
    & skf21("1","3","1","3","4","3","1","1") = "3"
    & skf21("1","3","1","3","4","3","2","1") = "3"
    & skf21("1","3","1","3","4","3","3","1") = "3"
    & skf21("1","3","1","3","4","3","4","1") = "3"
    & skf21("1","3","1","3","4","3","5","1") = "4"
    & skf21("1","3","1","3","4","3","6","1") = "5"
    & skf21("1","3","1","3","4","3","7","1") = "6"
    & skf21("1","3","1","3","4","4","1","1") = "3"
    & skf21("1","3","1","3","4","4","2","1") = "3"
    & skf21("1","3","1","3","4","4","3","1") = "3"
    & skf21("1","3","1","3","4","4","4","1") = "3"
    & skf21("1","3","1","3","4","4","5","1") = "4"
    & skf21("1","3","1","3","4","4","6","1") = "5"
    & skf21("1","3","1","3","4","4","7","1") = "6"
    & skf21("1","3","1","3","4","5","1","1") = "4"
    & skf21("1","3","1","3","4","5","2","1") = "4"
    & skf21("1","3","1","3","4","5","3","1") = "4"
    & skf21("1","3","1","3","4","5","4","1") = "4"
    & skf21("1","3","1","3","4","5","5","1") = "4"
    & skf21("1","3","1","3","4","5","6","1") = "5"
    & skf21("1","3","1","3","4","5","7","1") = "6"
    & skf21("1","3","1","3","4","6","1","1") = "5"
    & skf21("1","3","1","3","4","6","2","1") = "5"
    & skf21("1","3","1","3","4","6","3","1") = "5"
    & skf21("1","3","1","3","4","6","4","1") = "5"
    & skf21("1","3","1","3","4","6","5","1") = "5"
    & skf21("1","3","1","3","4","6","6","1") = "5"
    & skf21("1","3","1","3","4","6","7","1") = "6"
    & skf21("1","3","1","3","4","7","1","1") = "6"
    & skf21("1","3","1","3","4","7","2","1") = "6"
    & skf21("1","3","1","3","4","7","3","1") = "6"
    & skf21("1","3","1","3","4","7","4","1") = "6"
    & skf21("1","3","1","3","4","7","5","1") = "6"
    & skf21("1","3","1","3","4","7","6","1") = "6"
    & skf21("1","3","1","3","4","7","7","1") = "6"
    & skf21("1","3","1","3","5","1","1","1") = "4"
    & skf21("1","3","1","3","5","1","2","1") = "4"
    & skf21("1","3","1","3","5","1","3","1") = "4"
    & skf21("1","3","1","3","5","1","4","1") = "4"
    & skf21("1","3","1","3","5","1","5","1") = "4"
    & skf21("1","3","1","3","5","1","6","1") = "5"
    & skf21("1","3","1","3","5","1","7","1") = "6"
    & skf21("1","3","1","3","5","2","1","1") = "4"
    & skf21("1","3","1","3","5","2","2","1") = "4"
    & skf21("1","3","1","3","5","2","3","1") = "4"
    & skf21("1","3","1","3","5","2","4","1") = "4"
    & skf21("1","3","1","3","5","2","5","1") = "4"
    & skf21("1","3","1","3","5","2","6","1") = "5"
    & skf21("1","3","1","3","5","2","7","1") = "6"
    & skf21("1","3","1","3","5","3","1","1") = "4"
    & skf21("1","3","1","3","5","3","2","1") = "4"
    & skf21("1","3","1","3","5","3","3","1") = "4"
    & skf21("1","3","1","3","5","3","4","1") = "4"
    & skf21("1","3","1","3","5","3","5","1") = "4"
    & skf21("1","3","1","3","5","3","6","1") = "5"
    & skf21("1","3","1","3","5","3","7","1") = "6"
    & skf21("1","3","1","3","5","4","1","1") = "4"
    & skf21("1","3","1","3","5","4","2","1") = "4"
    & skf21("1","3","1","3","5","4","3","1") = "4"
    & skf21("1","3","1","3","5","4","4","1") = "4"
    & skf21("1","3","1","3","5","4","5","1") = "4"
    & skf21("1","3","1","3","5","4","6","1") = "5"
    & skf21("1","3","1","3","5","4","7","1") = "6"
    & skf21("1","3","1","3","5","5","1","1") = "4"
    & skf21("1","3","1","3","5","5","2","1") = "4"
    & skf21("1","3","1","3","5","5","3","1") = "4"
    & skf21("1","3","1","3","5","5","4","1") = "4"
    & skf21("1","3","1","3","5","5","5","1") = "4"
    & skf21("1","3","1","3","5","5","6","1") = "5"
    & skf21("1","3","1","3","5","5","7","1") = "6"
    & skf21("1","3","1","3","5","6","1","1") = "5"
    & skf21("1","3","1","3","5","6","2","1") = "5"
    & skf21("1","3","1","3","5","6","3","1") = "5"
    & skf21("1","3","1","3","5","6","4","1") = "5"
    & skf21("1","3","1","3","5","6","5","1") = "5"
    & skf21("1","3","1","3","5","6","6","1") = "5"
    & skf21("1","3","1","3","5","6","7","1") = "6"
    & skf21("1","3","1","3","5","7","1","1") = "6"
    & skf21("1","3","1","3","5","7","2","1") = "6"
    & skf21("1","3","1","3","5","7","3","1") = "6"
    & skf21("1","3","1","3","5","7","4","1") = "6"
    & skf21("1","3","1","3","5","7","5","1") = "6"
    & skf21("1","3","1","3","5","7","6","1") = "6"
    & skf21("1","3","1","3","5","7","7","1") = "6"
    & skf21("1","3","1","3","6","1","1","1") = "5"
    & skf21("1","3","1","3","6","1","2","1") = "5"
    & skf21("1","3","1","3","6","1","3","1") = "5"
    & skf21("1","3","1","3","6","1","4","1") = "5"
    & skf21("1","3","1","3","6","1","5","1") = "5"
    & skf21("1","3","1","3","6","1","6","1") = "5"
    & skf21("1","3","1","3","6","1","7","1") = "6"
    & skf21("1","3","1","3","6","2","1","1") = "5"
    & skf21("1","3","1","3","6","2","2","1") = "5"
    & skf21("1","3","1","3","6","2","3","1") = "5"
    & skf21("1","3","1","3","6","2","4","1") = "5"
    & skf21("1","3","1","3","6","2","5","1") = "5"
    & skf21("1","3","1","3","6","2","6","1") = "5"
    & skf21("1","3","1","3","6","2","7","1") = "6"
    & skf21("1","3","1","3","6","3","1","1") = "5"
    & skf21("1","3","1","3","6","3","2","1") = "5"
    & skf21("1","3","1","3","6","3","3","1") = "5"
    & skf21("1","3","1","3","6","3","4","1") = "5"
    & skf21("1","3","1","3","6","3","5","1") = "5"
    & skf21("1","3","1","3","6","3","6","1") = "5"
    & skf21("1","3","1","3","6","3","7","1") = "6"
    & skf21("1","3","1","3","6","4","1","1") = "5"
    & skf21("1","3","1","3","6","4","2","1") = "5"
    & skf21("1","3","1","3","6","4","3","1") = "5"
    & skf21("1","3","1","3","6","4","4","1") = "5"
    & skf21("1","3","1","3","6","4","5","1") = "5"
    & skf21("1","3","1","3","6","4","6","1") = "5"
    & skf21("1","3","1","3","6","4","7","1") = "6"
    & skf21("1","3","1","3","6","5","1","1") = "5"
    & skf21("1","3","1","3","6","5","2","1") = "5"
    & skf21("1","3","1","3","6","5","3","1") = "5"
    & skf21("1","3","1","3","6","5","4","1") = "5"
    & skf21("1","3","1","3","6","5","5","1") = "5"
    & skf21("1","3","1","3","6","5","6","1") = "5"
    & skf21("1","3","1","3","6","5","7","1") = "6"
    & skf21("1","3","1","3","6","6","1","1") = "5"
    & skf21("1","3","1","3","6","6","2","1") = "5"
    & skf21("1","3","1","3","6","6","3","1") = "5"
    & skf21("1","3","1","3","6","6","4","1") = "5"
    & skf21("1","3","1","3","6","6","5","1") = "5"
    & skf21("1","3","1","3","6","6","6","1") = "5"
    & skf21("1","3","1","3","6","6","7","1") = "6"
    & skf21("1","3","1","3","6","7","1","1") = "6"
    & skf21("1","3","1","3","6","7","2","1") = "6"
    & skf21("1","3","1","3","6","7","3","1") = "6"
    & skf21("1","3","1","3","6","7","4","1") = "6"
    & skf21("1","3","1","3","6","7","5","1") = "6"
    & skf21("1","3","1","3","6","7","6","1") = "6"
    & skf21("1","3","1","3","6","7","7","1") = "6"
    & skf21("1","3","1","3","7","1","1","1") = "6"
    & skf21("1","3","1","3","7","1","2","1") = "6"
    & skf21("1","3","1","3","7","1","3","1") = "6"
    & skf21("1","3","1","3","7","1","4","1") = "6"
    & skf21("1","3","1","3","7","1","5","1") = "6"
    & skf21("1","3","1","3","7","1","6","1") = "6"
    & skf21("1","3","1","3","7","1","7","1") = "6"
    & skf21("1","3","1","3","7","2","1","1") = "6"
    & skf21("1","3","1","3","7","2","2","1") = "6"
    & skf21("1","3","1","3","7","2","3","1") = "6"
    & skf21("1","3","1","3","7","2","4","1") = "6"
    & skf21("1","3","1","3","7","2","5","1") = "6"
    & skf21("1","3","1","3","7","2","6","1") = "6"
    & skf21("1","3","1","3","7","2","7","1") = "6"
    & skf21("1","3","1","3","7","3","1","1") = "6"
    & skf21("1","3","1","3","7","3","2","1") = "6"
    & skf21("1","3","1","3","7","3","3","1") = "6"
    & skf21("1","3","1","3","7","3","4","1") = "6"
    & skf21("1","3","1","3","7","3","5","1") = "6"
    & skf21("1","3","1","3","7","3","6","1") = "6"
    & skf21("1","3","1","3","7","3","7","1") = "6"
    & skf21("1","3","1","3","7","4","1","1") = "6"
    & skf21("1","3","1","3","7","4","2","1") = "6"
    & skf21("1","3","1","3","7","4","3","1") = "6"
    & skf21("1","3","1","3","7","4","4","1") = "6"
    & skf21("1","3","1","3","7","4","5","1") = "6"
    & skf21("1","3","1","3","7","4","6","1") = "6"
    & skf21("1","3","1","3","7","4","7","1") = "6"
    & skf21("1","3","1","3","7","5","1","1") = "6"
    & skf21("1","3","1","3","7","5","2","1") = "6"
    & skf21("1","3","1","3","7","5","3","1") = "6"
    & skf21("1","3","1","3","7","5","4","1") = "6"
    & skf21("1","3","1","3","7","5","5","1") = "6"
    & skf21("1","3","1","3","7","5","6","1") = "6"
    & skf21("1","3","1","3","7","5","7","1") = "6"
    & skf21("1","3","1","3","7","6","1","1") = "6"
    & skf21("1","3","1","3","7","6","2","1") = "6"
    & skf21("1","3","1","3","7","6","3","1") = "6"
    & skf21("1","3","1","3","7","6","4","1") = "6"
    & skf21("1","3","1","3","7","6","5","1") = "6"
    & skf21("1","3","1","3","7","6","6","1") = "6"
    & skf21("1","3","1","3","7","6","7","1") = "6"
    & skf21("1","3","1","3","7","7","1","1") = "6"
    & skf21("1","3","1","3","7","7","2","1") = "6"
    & skf21("1","3","1","3","7","7","3","1") = "6"
    & skf21("1","3","1","3","7","7","4","1") = "6"
    & skf21("1","3","1","3","7","7","5","1") = "6"
    & skf21("1","3","1","3","7","7","6","1") = "6"
    & skf21("1","3","1","3","7","7","7","1") = "6"
    & skf21("1","3","1","4","1","1","1","1") = "3"
    & skf21("1","3","1","4","1","1","2","1") = "3"
    & skf21("1","3","1","4","1","1","3","1") = "3"
    & skf21("1","3","1","4","1","1","4","1") = "3"
    & skf21("1","3","1","4","1","1","5","1") = "4"
    & skf21("1","3","1","4","1","1","6","1") = "5"
    & skf21("1","3","1","4","1","1","7","1") = "6"
    & skf21("1","3","1","4","1","2","1","1") = "3"
    & skf21("1","3","1","4","1","2","2","1") = "3"
    & skf21("1","3","1","4","1","2","3","1") = "3"
    & skf21("1","3","1","4","1","2","4","1") = "3"
    & skf21("1","3","1","4","1","2","5","1") = "4"
    & skf21("1","3","1","4","1","2","6","1") = "5"
    & skf21("1","3","1","4","1","2","7","1") = "6"
    & skf21("1","3","1","4","1","3","1","1") = "3"
    & skf21("1","3","1","4","1","3","2","1") = "3"
    & skf21("1","3","1","4","1","3","3","1") = "3"
    & skf21("1","3","1","4","1","3","4","1") = "3"
    & skf21("1","3","1","4","1","3","5","1") = "4"
    & skf21("1","3","1","4","1","3","6","1") = "5"
    & skf21("1","3","1","4","1","3","7","1") = "6"
    & skf21("1","3","1","4","1","4","1","1") = "3"
    & skf21("1","3","1","4","1","4","2","1") = "3"
    & skf21("1","3","1","4","1","4","3","1") = "3"
    & skf21("1","3","1","4","1","4","4","1") = "3"
    & skf21("1","3","1","4","1","4","5","1") = "4"
    & skf21("1","3","1","4","1","4","6","1") = "5"
    & skf21("1","3","1","4","1","4","7","1") = "6"
    & skf21("1","3","1","4","1","5","1","1") = "4"
    & skf21("1","3","1","4","1","5","2","1") = "4"
    & skf21("1","3","1","4","1","5","3","1") = "4"
    & skf21("1","3","1","4","1","5","4","1") = "4"
    & skf21("1","3","1","4","1","5","5","1") = "4"
    & skf21("1","3","1","4","1","5","6","1") = "5"
    & skf21("1","3","1","4","1","5","7","1") = "6"
    & skf21("1","3","1","4","1","6","1","1") = "5"
    & skf21("1","3","1","4","1","6","2","1") = "5"
    & skf21("1","3","1","4","1","6","3","1") = "5"
    & skf21("1","3","1","4","1","6","4","1") = "5"
    & skf21("1","3","1","4","1","6","5","1") = "5"
    & skf21("1","3","1","4","1","6","6","1") = "5"
    & skf21("1","3","1","4","1","6","7","1") = "6"
    & skf21("1","3","1","4","1","7","1","1") = "6"
    & skf21("1","3","1","4","1","7","2","1") = "6"
    & skf21("1","3","1","4","1","7","3","1") = "6"
    & skf21("1","3","1","4","1","7","4","1") = "6"
    & skf21("1","3","1","4","1","7","5","1") = "6"
    & skf21("1","3","1","4","1","7","6","1") = "6"
    & skf21("1","3","1","4","1","7","7","1") = "6"
    & skf21("1","3","1","4","2","1","1","1") = "3"
    & skf21("1","3","1","4","2","1","2","1") = "3"
    & skf21("1","3","1","4","2","1","3","1") = "3"
    & skf21("1","3","1","4","2","1","4","1") = "3"
    & skf21("1","3","1","4","2","1","5","1") = "4"
    & skf21("1","3","1","4","2","1","6","1") = "5"
    & skf21("1","3","1","4","2","1","7","1") = "6"
    & skf21("1","3","1","4","2","2","1","1") = "3"
    & skf21("1","3","1","4","2","2","2","1") = "3"
    & skf21("1","3","1","4","2","2","3","1") = "3"
    & skf21("1","3","1","4","2","2","4","1") = "3"
    & skf21("1","3","1","4","2","2","5","1") = "4"
    & skf21("1","3","1","4","2","2","6","1") = "5"
    & skf21("1","3","1","4","2","2","7","1") = "6"
    & skf21("1","3","1","4","2","3","1","1") = "3"
    & skf21("1","3","1","4","2","3","2","1") = "3"
    & skf21("1","3","1","4","2","3","3","1") = "3"
    & skf21("1","3","1","4","2","3","4","1") = "3"
    & skf21("1","3","1","4","2","3","5","1") = "4"
    & skf21("1","3","1","4","2","3","6","1") = "5"
    & skf21("1","3","1","4","2","3","7","1") = "6"
    & skf21("1","3","1","4","2","4","1","1") = "3"
    & skf21("1","3","1","4","2","4","2","1") = "3"
    & skf21("1","3","1","4","2","4","3","1") = "3"
    & skf21("1","3","1","4","2","4","4","1") = "3"
    & skf21("1","3","1","4","2","4","5","1") = "4"
    & skf21("1","3","1","4","2","4","6","1") = "5"
    & skf21("1","3","1","4","2","4","7","1") = "6"
    & skf21("1","3","1","4","2","5","1","1") = "4"
    & skf21("1","3","1","4","2","5","2","1") = "4"
    & skf21("1","3","1","4","2","5","3","1") = "4"
    & skf21("1","3","1","4","2","5","4","1") = "4"
    & skf21("1","3","1","4","2","5","5","1") = "4"
    & skf21("1","3","1","4","2","5","6","1") = "5"
    & skf21("1","3","1","4","2","5","7","1") = "6"
    & skf21("1","3","1","4","2","6","1","1") = "5"
    & skf21("1","3","1","4","2","6","2","1") = "5"
    & skf21("1","3","1","4","2","6","3","1") = "5"
    & skf21("1","3","1","4","2","6","4","1") = "5"
    & skf21("1","3","1","4","2","6","5","1") = "5"
    & skf21("1","3","1","4","2","6","6","1") = "5"
    & skf21("1","3","1","4","2","6","7","1") = "6"
    & skf21("1","3","1","4","2","7","1","1") = "6"
    & skf21("1","3","1","4","2","7","2","1") = "6"
    & skf21("1","3","1","4","2","7","3","1") = "6"
    & skf21("1","3","1","4","2","7","4","1") = "6"
    & skf21("1","3","1","4","2","7","5","1") = "6"
    & skf21("1","3","1","4","2","7","6","1") = "6"
    & skf21("1","3","1","4","2","7","7","1") = "6"
    & skf21("1","3","1","4","3","1","1","1") = "3"
    & skf21("1","3","1","4","3","1","2","1") = "3"
    & skf21("1","3","1","4","3","1","3","1") = "3"
    & skf21("1","3","1","4","3","1","4","1") = "3"
    & skf21("1","3","1","4","3","1","5","1") = "4"
    & skf21("1","3","1","4","3","1","6","1") = "5"
    & skf21("1","3","1","4","3","1","7","1") = "6"
    & skf21("1","3","1","4","3","2","1","1") = "3"
    & skf21("1","3","1","4","3","2","2","1") = "3"
    & skf21("1","3","1","4","3","2","3","1") = "3"
    & skf21("1","3","1","4","3","2","4","1") = "3"
    & skf21("1","3","1","4","3","2","5","1") = "4"
    & skf21("1","3","1","4","3","2","6","1") = "5"
    & skf21("1","3","1","4","3","2","7","1") = "6"
    & skf21("1","3","1","4","3","3","1","1") = "3"
    & skf21("1","3","1","4","3","3","2","1") = "3"
    & skf21("1","3","1","4","3","3","3","1") = "3"
    & skf21("1","3","1","4","3","3","4","1") = "3"
    & skf21("1","3","1","4","3","3","5","1") = "4"
    & skf21("1","3","1","4","3","3","6","1") = "5"
    & skf21("1","3","1","4","3","3","7","1") = "6"
    & skf21("1","3","1","4","3","4","1","1") = "3"
    & skf21("1","3","1","4","3","4","2","1") = "3"
    & skf21("1","3","1","4","3","4","3","1") = "3"
    & skf21("1","3","1","4","3","4","4","1") = "3"
    & skf21("1","3","1","4","3","4","5","1") = "4"
    & skf21("1","3","1","4","3","4","6","1") = "5"
    & skf21("1","3","1","4","3","4","7","1") = "6"
    & skf21("1","3","1","4","3","5","1","1") = "4"
    & skf21("1","3","1","4","3","5","2","1") = "4"
    & skf21("1","3","1","4","3","5","3","1") = "4"
    & skf21("1","3","1","4","3","5","4","1") = "4"
    & skf21("1","3","1","4","3","5","5","1") = "4"
    & skf21("1","3","1","4","3","5","6","1") = "5"
    & skf21("1","3","1","4","3","5","7","1") = "6"
    & skf21("1","3","1","4","3","6","1","1") = "5"
    & skf21("1","3","1","4","3","6","2","1") = "5"
    & skf21("1","3","1","4","3","6","3","1") = "5"
    & skf21("1","3","1","4","3","6","4","1") = "5"
    & skf21("1","3","1","4","3","6","5","1") = "5"
    & skf21("1","3","1","4","3","6","6","1") = "5"
    & skf21("1","3","1","4","3","6","7","1") = "6"
    & skf21("1","3","1","4","3","7","1","1") = "6"
    & skf21("1","3","1","4","3","7","2","1") = "6"
    & skf21("1","3","1","4","3","7","3","1") = "6"
    & skf21("1","3","1","4","3","7","4","1") = "6"
    & skf21("1","3","1","4","3","7","5","1") = "6"
    & skf21("1","3","1","4","3","7","6","1") = "6"
    & skf21("1","3","1","4","3","7","7","1") = "6"
    & skf21("1","3","1","4","4","1","1","1") = "3"
    & skf21("1","3","1","4","4","1","2","1") = "3"
    & skf21("1","3","1","4","4","1","3","1") = "3"
    & skf21("1","3","1","4","4","1","4","1") = "3"
    & skf21("1","3","1","4","4","1","5","1") = "4"
    & skf21("1","3","1","4","4","1","6","1") = "5"
    & skf21("1","3","1","4","4","1","7","1") = "6"
    & skf21("1","3","1","4","4","2","1","1") = "3"
    & skf21("1","3","1","4","4","2","2","1") = "3"
    & skf21("1","3","1","4","4","2","3","1") = "3"
    & skf21("1","3","1","4","4","2","4","1") = "3"
    & skf21("1","3","1","4","4","2","5","1") = "4"
    & skf21("1","3","1","4","4","2","6","1") = "5"
    & skf21("1","3","1","4","4","2","7","1") = "6"
    & skf21("1","3","1","4","4","3","1","1") = "3"
    & skf21("1","3","1","4","4","3","2","1") = "3"
    & skf21("1","3","1","4","4","3","3","1") = "3"
    & skf21("1","3","1","4","4","3","4","1") = "3"
    & skf21("1","3","1","4","4","3","5","1") = "4"
    & skf21("1","3","1","4","4","3","6","1") = "5"
    & skf21("1","3","1","4","4","3","7","1") = "6"
    & skf21("1","3","1","4","4","4","1","1") = "3"
    & skf21("1","3","1","4","4","4","2","1") = "3"
    & skf21("1","3","1","4","4","4","3","1") = "3"
    & skf21("1","3","1","4","4","4","4","1") = "3"
    & skf21("1","3","1","4","4","4","5","1") = "4"
    & skf21("1","3","1","4","4","4","6","1") = "5"
    & skf21("1","3","1","4","4","4","7","1") = "6"
    & skf21("1","3","1","4","4","5","1","1") = "4"
    & skf21("1","3","1","4","4","5","2","1") = "4"
    & skf21("1","3","1","4","4","5","3","1") = "4"
    & skf21("1","3","1","4","4","5","4","1") = "4"
    & skf21("1","3","1","4","4","5","5","1") = "4"
    & skf21("1","3","1","4","4","5","6","1") = "5"
    & skf21("1","3","1","4","4","5","7","1") = "6"
    & skf21("1","3","1","4","4","6","1","1") = "5"
    & skf21("1","3","1","4","4","6","2","1") = "5"
    & skf21("1","3","1","4","4","6","3","1") = "5"
    & skf21("1","3","1","4","4","6","4","1") = "5"
    & skf21("1","3","1","4","4","6","5","1") = "5"
    & skf21("1","3","1","4","4","6","6","1") = "5"
    & skf21("1","3","1","4","4","6","7","1") = "6"
    & skf21("1","3","1","4","4","7","1","1") = "6"
    & skf21("1","3","1","4","4","7","2","1") = "6"
    & skf21("1","3","1","4","4","7","3","1") = "6"
    & skf21("1","3","1","4","4","7","4","1") = "6"
    & skf21("1","3","1","4","4","7","5","1") = "6"
    & skf21("1","3","1","4","4","7","6","1") = "6"
    & skf21("1","3","1","4","4","7","7","1") = "6"
    & skf21("1","3","1","4","5","1","1","1") = "4"
    & skf21("1","3","1","4","5","1","2","1") = "4"
    & skf21("1","3","1","4","5","1","3","1") = "4"
    & skf21("1","3","1","4","5","1","4","1") = "4"
    & skf21("1","3","1","4","5","1","5","1") = "4"
    & skf21("1","3","1","4","5","1","6","1") = "5"
    & skf21("1","3","1","4","5","1","7","1") = "6"
    & skf21("1","3","1","4","5","2","1","1") = "4"
    & skf21("1","3","1","4","5","2","2","1") = "4"
    & skf21("1","3","1","4","5","2","3","1") = "4"
    & skf21("1","3","1","4","5","2","4","1") = "4"
    & skf21("1","3","1","4","5","2","5","1") = "4"
    & skf21("1","3","1","4","5","2","6","1") = "5"
    & skf21("1","3","1","4","5","2","7","1") = "6"
    & skf21("1","3","1","4","5","3","1","1") = "4"
    & skf21("1","3","1","4","5","3","2","1") = "4"
    & skf21("1","3","1","4","5","3","3","1") = "4"
    & skf21("1","3","1","4","5","3","4","1") = "4"
    & skf21("1","3","1","4","5","3","5","1") = "4"
    & skf21("1","3","1","4","5","3","6","1") = "5"
    & skf21("1","3","1","4","5","3","7","1") = "6"
    & skf21("1","3","1","4","5","4","1","1") = "4"
    & skf21("1","3","1","4","5","4","2","1") = "4"
    & skf21("1","3","1","4","5","4","3","1") = "4"
    & skf21("1","3","1","4","5","4","4","1") = "4"
    & skf21("1","3","1","4","5","4","5","1") = "4"
    & skf21("1","3","1","4","5","4","6","1") = "5"
    & skf21("1","3","1","4","5","4","7","1") = "6"
    & skf21("1","3","1","4","5","5","1","1") = "4"
    & skf21("1","3","1","4","5","5","2","1") = "4"
    & skf21("1","3","1","4","5","5","3","1") = "4"
    & skf21("1","3","1","4","5","5","4","1") = "4"
    & skf21("1","3","1","4","5","5","5","1") = "4"
    & skf21("1","3","1","4","5","5","6","1") = "5"
    & skf21("1","3","1","4","5","5","7","1") = "6"
    & skf21("1","3","1","4","5","6","1","1") = "5"
    & skf21("1","3","1","4","5","6","2","1") = "5"
    & skf21("1","3","1","4","5","6","3","1") = "5"
    & skf21("1","3","1","4","5","6","4","1") = "5"
    & skf21("1","3","1","4","5","6","5","1") = "5"
    & skf21("1","3","1","4","5","6","6","1") = "5"
    & skf21("1","3","1","4","5","6","7","1") = "6"
    & skf21("1","3","1","4","5","7","1","1") = "6"
    & skf21("1","3","1","4","5","7","2","1") = "6"
    & skf21("1","3","1","4","5","7","3","1") = "6"
    & skf21("1","3","1","4","5","7","4","1") = "6"
    & skf21("1","3","1","4","5","7","5","1") = "6"
    & skf21("1","3","1","4","5","7","6","1") = "6"
    & skf21("1","3","1","4","5","7","7","1") = "6"
    & skf21("1","3","1","4","6","1","1","1") = "5"
    & skf21("1","3","1","4","6","1","2","1") = "5"
    & skf21("1","3","1","4","6","1","3","1") = "5"
    & skf21("1","3","1","4","6","1","4","1") = "5"
    & skf21("1","3","1","4","6","1","5","1") = "5"
    & skf21("1","3","1","4","6","1","6","1") = "5"
    & skf21("1","3","1","4","6","1","7","1") = "6"
    & skf21("1","3","1","4","6","2","1","1") = "5"
    & skf21("1","3","1","4","6","2","2","1") = "5"
    & skf21("1","3","1","4","6","2","3","1") = "5"
    & skf21("1","3","1","4","6","2","4","1") = "5"
    & skf21("1","3","1","4","6","2","5","1") = "5"
    & skf21("1","3","1","4","6","2","6","1") = "5"
    & skf21("1","3","1","4","6","2","7","1") = "6"
    & skf21("1","3","1","4","6","3","1","1") = "5"
    & skf21("1","3","1","4","6","3","2","1") = "5"
    & skf21("1","3","1","4","6","3","3","1") = "5"
    & skf21("1","3","1","4","6","3","4","1") = "5"
    & skf21("1","3","1","4","6","3","5","1") = "5"
    & skf21("1","3","1","4","6","3","6","1") = "5"
    & skf21("1","3","1","4","6","3","7","1") = "6"
    & skf21("1","3","1","4","6","4","1","1") = "5"
    & skf21("1","3","1","4","6","4","2","1") = "5"
    & skf21("1","3","1","4","6","4","3","1") = "5"
    & skf21("1","3","1","4","6","4","4","1") = "5"
    & skf21("1","3","1","4","6","4","5","1") = "5"
    & skf21("1","3","1","4","6","4","6","1") = "5"
    & skf21("1","3","1","4","6","4","7","1") = "6"
    & skf21("1","3","1","4","6","5","1","1") = "5"
    & skf21("1","3","1","4","6","5","2","1") = "5"
    & skf21("1","3","1","4","6","5","3","1") = "5"
    & skf21("1","3","1","4","6","5","4","1") = "5"
    & skf21("1","3","1","4","6","5","5","1") = "5"
    & skf21("1","3","1","4","6","5","6","1") = "5"
    & skf21("1","3","1","4","6","5","7","1") = "6"
    & skf21("1","3","1","4","6","6","1","1") = "5"
    & skf21("1","3","1","4","6","6","2","1") = "5"
    & skf21("1","3","1","4","6","6","3","1") = "5"
    & skf21("1","3","1","4","6","6","4","1") = "5"
    & skf21("1","3","1","4","6","6","5","1") = "5"
    & skf21("1","3","1","4","6","6","6","1") = "5"
    & skf21("1","3","1","4","6","6","7","1") = "6"
    & skf21("1","3","1","4","6","7","1","1") = "6"
    & skf21("1","3","1","4","6","7","2","1") = "6"
    & skf21("1","3","1","4","6","7","3","1") = "6"
    & skf21("1","3","1","4","6","7","4","1") = "6"
    & skf21("1","3","1","4","6","7","5","1") = "6"
    & skf21("1","3","1","4","6","7","6","1") = "6"
    & skf21("1","3","1","4","6","7","7","1") = "6"
    & skf21("1","3","1","4","7","1","1","1") = "6"
    & skf21("1","3","1","4","7","1","2","1") = "6"
    & skf21("1","3","1","4","7","1","3","1") = "6"
    & skf21("1","3","1","4","7","1","4","1") = "6"
    & skf21("1","3","1","4","7","1","5","1") = "6"
    & skf21("1","3","1","4","7","1","6","1") = "6"
    & skf21("1","3","1","4","7","1","7","1") = "6"
    & skf21("1","3","1","4","7","2","1","1") = "6"
    & skf21("1","3","1","4","7","2","2","1") = "6"
    & skf21("1","3","1","4","7","2","3","1") = "6"
    & skf21("1","3","1","4","7","2","4","1") = "6"
    & skf21("1","3","1","4","7","2","5","1") = "6"
    & skf21("1","3","1","4","7","2","6","1") = "6"
    & skf21("1","3","1","4","7","2","7","1") = "6"
    & skf21("1","3","1","4","7","3","1","1") = "6"
    & skf21("1","3","1","4","7","3","2","1") = "6"
    & skf21("1","3","1","4","7","3","3","1") = "6"
    & skf21("1","3","1","4","7","3","4","1") = "6"
    & skf21("1","3","1","4","7","3","5","1") = "6"
    & skf21("1","3","1","4","7","3","6","1") = "6"
    & skf21("1","3","1","4","7","3","7","1") = "6"
    & skf21("1","3","1","4","7","4","1","1") = "6"
    & skf21("1","3","1","4","7","4","2","1") = "6"
    & skf21("1","3","1","4","7","4","3","1") = "6"
    & skf21("1","3","1","4","7","4","4","1") = "6"
    & skf21("1","3","1","4","7","4","5","1") = "6"
    & skf21("1","3","1","4","7","4","6","1") = "6"
    & skf21("1","3","1","4","7","4","7","1") = "6"
    & skf21("1","3","1","4","7","5","1","1") = "6"
    & skf21("1","3","1","4","7","5","2","1") = "6"
    & skf21("1","3","1","4","7","5","3","1") = "6"
    & skf21("1","3","1","4","7","5","4","1") = "6"
    & skf21("1","3","1","4","7","5","5","1") = "6"
    & skf21("1","3","1","4","7","5","6","1") = "6"
    & skf21("1","3","1","4","7","5","7","1") = "6"
    & skf21("1","3","1","4","7","6","1","1") = "6"
    & skf21("1","3","1","4","7","6","2","1") = "6"
    & skf21("1","3","1","4","7","6","3","1") = "6"
    & skf21("1","3","1","4","7","6","4","1") = "6"
    & skf21("1","3","1","4","7","6","5","1") = "6"
    & skf21("1","3","1","4","7","6","6","1") = "6"
    & skf21("1","3","1","4","7","6","7","1") = "6"
    & skf21("1","3","1","4","7","7","1","1") = "6"
    & skf21("1","3","1","4","7","7","2","1") = "6"
    & skf21("1","3","1","4","7","7","3","1") = "6"
    & skf21("1","3","1","4","7","7","4","1") = "6"
    & skf21("1","3","1","4","7","7","5","1") = "6"
    & skf21("1","3","1","4","7","7","6","1") = "6"
    & skf21("1","3","1","4","7","7","7","1") = "6"
    & skf21("1","3","1","5","1","1","1","1") = "4"
    & skf21("1","3","1","5","1","1","2","1") = "4"
    & skf21("1","3","1","5","1","1","3","1") = "4"
    & skf21("1","3","1","5","1","1","4","1") = "4"
    & skf21("1","3","1","5","1","1","5","1") = "4"
    & skf21("1","3","1","5","1","1","6","1") = "5"
    & skf21("1","3","1","5","1","1","7","1") = "6"
    & skf21("1","3","1","5","1","2","1","1") = "4"
    & skf21("1","3","1","5","1","2","2","1") = "4"
    & skf21("1","3","1","5","1","2","3","1") = "4"
    & skf21("1","3","1","5","1","2","4","1") = "4"
    & skf21("1","3","1","5","1","2","5","1") = "4"
    & skf21("1","3","1","5","1","2","6","1") = "5"
    & skf21("1","3","1","5","1","2","7","1") = "6"
    & skf21("1","3","1","5","1","3","1","1") = "4"
    & skf21("1","3","1","5","1","3","2","1") = "4"
    & skf21("1","3","1","5","1","3","3","1") = "4"
    & skf21("1","3","1","5","1","3","4","1") = "4"
    & skf21("1","3","1","5","1","3","5","1") = "4"
    & skf21("1","3","1","5","1","3","6","1") = "5"
    & skf21("1","3","1","5","1","3","7","1") = "6"
    & skf21("1","3","1","5","1","4","1","1") = "4"
    & skf21("1","3","1","5","1","4","2","1") = "4"
    & skf21("1","3","1","5","1","4","3","1") = "4"
    & skf21("1","3","1","5","1","4","4","1") = "4"
    & skf21("1","3","1","5","1","4","5","1") = "4"
    & skf21("1","3","1","5","1","4","6","1") = "5"
    & skf21("1","3","1","5","1","4","7","1") = "6"
    & skf21("1","3","1","5","1","5","1","1") = "4"
    & skf21("1","3","1","5","1","5","2","1") = "4"
    & skf21("1","3","1","5","1","5","3","1") = "4"
    & skf21("1","3","1","5","1","5","4","1") = "4"
    & skf21("1","3","1","5","1","5","5","1") = "4"
    & skf21("1","3","1","5","1","5","6","1") = "5"
    & skf21("1","3","1","5","1","5","7","1") = "6"
    & skf21("1","3","1","5","1","6","1","1") = "5"
    & skf21("1","3","1","5","1","6","2","1") = "5"
    & skf21("1","3","1","5","1","6","3","1") = "5"
    & skf21("1","3","1","5","1","6","4","1") = "5"
    & skf21("1","3","1","5","1","6","5","1") = "5"
    & skf21("1","3","1","5","1","6","6","1") = "5"
    & skf21("1","3","1","5","1","6","7","1") = "6"
    & skf21("1","3","1","5","1","7","1","1") = "6"
    & skf21("1","3","1","5","1","7","2","1") = "6"
    & skf21("1","3","1","5","1","7","3","1") = "6"
    & skf21("1","3","1","5","1","7","4","1") = "6"
    & skf21("1","3","1","5","1","7","5","1") = "6"
    & skf21("1","3","1","5","1","7","6","1") = "6"
    & skf21("1","3","1","5","1","7","7","1") = "6"
    & skf21("1","3","1","5","2","1","1","1") = "4"
    & skf21("1","3","1","5","2","1","2","1") = "4"
    & skf21("1","3","1","5","2","1","3","1") = "4"
    & skf21("1","3","1","5","2","1","4","1") = "4"
    & skf21("1","3","1","5","2","1","5","1") = "4"
    & skf21("1","3","1","5","2","1","6","1") = "5"
    & skf21("1","3","1","5","2","1","7","1") = "6"
    & skf21("1","3","1","5","2","2","1","1") = "4"
    & skf21("1","3","1","5","2","2","2","1") = "4"
    & skf21("1","3","1","5","2","2","3","1") = "4"
    & skf21("1","3","1","5","2","2","4","1") = "4"
    & skf21("1","3","1","5","2","2","5","1") = "4"
    & skf21("1","3","1","5","2","2","6","1") = "5"
    & skf21("1","3","1","5","2","2","7","1") = "6"
    & skf21("1","3","1","5","2","3","1","1") = "4"
    & skf21("1","3","1","5","2","3","2","1") = "4"
    & skf21("1","3","1","5","2","3","3","1") = "4"
    & skf21("1","3","1","5","2","3","4","1") = "4"
    & skf21("1","3","1","5","2","3","5","1") = "4"
    & skf21("1","3","1","5","2","3","6","1") = "5"
    & skf21("1","3","1","5","2","3","7","1") = "6"
    & skf21("1","3","1","5","2","4","1","1") = "4"
    & skf21("1","3","1","5","2","4","2","1") = "4"
    & skf21("1","3","1","5","2","4","3","1") = "4"
    & skf21("1","3","1","5","2","4","4","1") = "4"
    & skf21("1","3","1","5","2","4","5","1") = "4"
    & skf21("1","3","1","5","2","4","6","1") = "5"
    & skf21("1","3","1","5","2","4","7","1") = "6"
    & skf21("1","3","1","5","2","5","1","1") = "4"
    & skf21("1","3","1","5","2","5","2","1") = "4"
    & skf21("1","3","1","5","2","5","3","1") = "4"
    & skf21("1","3","1","5","2","5","4","1") = "4"
    & skf21("1","3","1","5","2","5","5","1") = "4"
    & skf21("1","3","1","5","2","5","6","1") = "5"
    & skf21("1","3","1","5","2","5","7","1") = "6"
    & skf21("1","3","1","5","2","6","1","1") = "5"
    & skf21("1","3","1","5","2","6","2","1") = "5"
    & skf21("1","3","1","5","2","6","3","1") = "5"
    & skf21("1","3","1","5","2","6","4","1") = "5"
    & skf21("1","3","1","5","2","6","5","1") = "5"
    & skf21("1","3","1","5","2","6","6","1") = "5"
    & skf21("1","3","1","5","2","6","7","1") = "6"
    & skf21("1","3","1","5","2","7","1","1") = "6"
    & skf21("1","3","1","5","2","7","2","1") = "6"
    & skf21("1","3","1","5","2","7","3","1") = "6"
    & skf21("1","3","1","5","2","7","4","1") = "6"
    & skf21("1","3","1","5","2","7","5","1") = "6"
    & skf21("1","3","1","5","2","7","6","1") = "6"
    & skf21("1","3","1","5","2","7","7","1") = "6"
    & skf21("1","3","1","5","3","1","1","1") = "4"
    & skf21("1","3","1","5","3","1","2","1") = "4"
    & skf21("1","3","1","5","3","1","3","1") = "4"
    & skf21("1","3","1","5","3","1","4","1") = "4"
    & skf21("1","3","1","5","3","1","5","1") = "4"
    & skf21("1","3","1","5","3","1","6","1") = "5"
    & skf21("1","3","1","5","3","1","7","1") = "6"
    & skf21("1","3","1","5","3","2","1","1") = "4"
    & skf21("1","3","1","5","3","2","2","1") = "4"
    & skf21("1","3","1","5","3","2","3","1") = "4"
    & skf21("1","3","1","5","3","2","4","1") = "4"
    & skf21("1","3","1","5","3","2","5","1") = "4"
    & skf21("1","3","1","5","3","2","6","1") = "5"
    & skf21("1","3","1","5","3","2","7","1") = "6"
    & skf21("1","3","1","5","3","3","1","1") = "4"
    & skf21("1","3","1","5","3","3","2","1") = "4"
    & skf21("1","3","1","5","3","3","3","1") = "4"
    & skf21("1","3","1","5","3","3","4","1") = "4"
    & skf21("1","3","1","5","3","3","5","1") = "4"
    & skf21("1","3","1","5","3","3","6","1") = "5"
    & skf21("1","3","1","5","3","3","7","1") = "6"
    & skf21("1","3","1","5","3","4","1","1") = "4"
    & skf21("1","3","1","5","3","4","2","1") = "4"
    & skf21("1","3","1","5","3","4","3","1") = "4"
    & skf21("1","3","1","5","3","4","4","1") = "4"
    & skf21("1","3","1","5","3","4","5","1") = "4"
    & skf21("1","3","1","5","3","4","6","1") = "5"
    & skf21("1","3","1","5","3","4","7","1") = "6"
    & skf21("1","3","1","5","3","5","1","1") = "4"
    & skf21("1","3","1","5","3","5","2","1") = "4"
    & skf21("1","3","1","5","3","5","3","1") = "4"
    & skf21("1","3","1","5","3","5","4","1") = "4"
    & skf21("1","3","1","5","3","5","5","1") = "4"
    & skf21("1","3","1","5","3","5","6","1") = "5"
    & skf21("1","3","1","5","3","5","7","1") = "6"
    & skf21("1","3","1","5","3","6","1","1") = "5"
    & skf21("1","3","1","5","3","6","2","1") = "5"
    & skf21("1","3","1","5","3","6","3","1") = "5"
    & skf21("1","3","1","5","3","6","4","1") = "5"
    & skf21("1","3","1","5","3","6","5","1") = "5"
    & skf21("1","3","1","5","3","6","6","1") = "5"
    & skf21("1","3","1","5","3","6","7","1") = "6"
    & skf21("1","3","1","5","3","7","1","1") = "6"
    & skf21("1","3","1","5","3","7","2","1") = "6"
    & skf21("1","3","1","5","3","7","3","1") = "6"
    & skf21("1","3","1","5","3","7","4","1") = "6"
    & skf21("1","3","1","5","3","7","5","1") = "6"
    & skf21("1","3","1","5","3","7","6","1") = "6"
    & skf21("1","3","1","5","3","7","7","1") = "6"
    & skf21("1","3","1","5","4","1","1","1") = "4"
    & skf21("1","3","1","5","4","1","2","1") = "4"
    & skf21("1","3","1","5","4","1","3","1") = "4"
    & skf21("1","3","1","5","4","1","4","1") = "4"
    & skf21("1","3","1","5","4","1","5","1") = "4"
    & skf21("1","3","1","5","4","1","6","1") = "5"
    & skf21("1","3","1","5","4","1","7","1") = "6"
    & skf21("1","3","1","5","4","2","1","1") = "4"
    & skf21("1","3","1","5","4","2","2","1") = "4"
    & skf21("1","3","1","5","4","2","3","1") = "4"
    & skf21("1","3","1","5","4","2","4","1") = "4"
    & skf21("1","3","1","5","4","2","5","1") = "4"
    & skf21("1","3","1","5","4","2","6","1") = "5"
    & skf21("1","3","1","5","4","2","7","1") = "6"
    & skf21("1","3","1","5","4","3","1","1") = "4"
    & skf21("1","3","1","5","4","3","2","1") = "4"
    & skf21("1","3","1","5","4","3","3","1") = "4"
    & skf21("1","3","1","5","4","3","4","1") = "4"
    & skf21("1","3","1","5","4","3","5","1") = "4"
    & skf21("1","3","1","5","4","3","6","1") = "5"
    & skf21("1","3","1","5","4","3","7","1") = "6"
    & skf21("1","3","1","5","4","4","1","1") = "4"
    & skf21("1","3","1","5","4","4","2","1") = "4"
    & skf21("1","3","1","5","4","4","3","1") = "4"
    & skf21("1","3","1","5","4","4","4","1") = "4"
    & skf21("1","3","1","5","4","4","5","1") = "4"
    & skf21("1","3","1","5","4","4","6","1") = "5"
    & skf21("1","3","1","5","4","4","7","1") = "6"
    & skf21("1","3","1","5","4","5","1","1") = "4"
    & skf21("1","3","1","5","4","5","2","1") = "4"
    & skf21("1","3","1","5","4","5","3","1") = "4"
    & skf21("1","3","1","5","4","5","4","1") = "4"
    & skf21("1","3","1","5","4","5","5","1") = "4"
    & skf21("1","3","1","5","4","5","6","1") = "5"
    & skf21("1","3","1","5","4","5","7","1") = "6"
    & skf21("1","3","1","5","4","6","1","1") = "5"
    & skf21("1","3","1","5","4","6","2","1") = "5"
    & skf21("1","3","1","5","4","6","3","1") = "5"
    & skf21("1","3","1","5","4","6","4","1") = "5"
    & skf21("1","3","1","5","4","6","5","1") = "5"
    & skf21("1","3","1","5","4","6","6","1") = "5"
    & skf21("1","3","1","5","4","6","7","1") = "6"
    & skf21("1","3","1","5","4","7","1","1") = "6"
    & skf21("1","3","1","5","4","7","2","1") = "6"
    & skf21("1","3","1","5","4","7","3","1") = "6"
    & skf21("1","3","1","5","4","7","4","1") = "6"
    & skf21("1","3","1","5","4","7","5","1") = "6"
    & skf21("1","3","1","5","4","7","6","1") = "6"
    & skf21("1","3","1","5","4","7","7","1") = "6"
    & skf21("1","3","1","5","5","1","1","1") = "4"
    & skf21("1","3","1","5","5","1","2","1") = "4"
    & skf21("1","3","1","5","5","1","3","1") = "4"
    & skf21("1","3","1","5","5","1","4","1") = "4"
    & skf21("1","3","1","5","5","1","5","1") = "4"
    & skf21("1","3","1","5","5","1","6","1") = "5"
    & skf21("1","3","1","5","5","1","7","1") = "6"
    & skf21("1","3","1","5","5","2","1","1") = "4"
    & skf21("1","3","1","5","5","2","2","1") = "4"
    & skf21("1","3","1","5","5","2","3","1") = "4"
    & skf21("1","3","1","5","5","2","4","1") = "4"
    & skf21("1","3","1","5","5","2","5","1") = "4"
    & skf21("1","3","1","5","5","2","6","1") = "5"
    & skf21("1","3","1","5","5","2","7","1") = "6"
    & skf21("1","3","1","5","5","3","1","1") = "4"
    & skf21("1","3","1","5","5","3","2","1") = "4"
    & skf21("1","3","1","5","5","3","3","1") = "4"
    & skf21("1","3","1","5","5","3","4","1") = "4"
    & skf21("1","3","1","5","5","3","5","1") = "4"
    & skf21("1","3","1","5","5","3","6","1") = "5"
    & skf21("1","3","1","5","5","3","7","1") = "6"
    & skf21("1","3","1","5","5","4","1","1") = "4"
    & skf21("1","3","1","5","5","4","2","1") = "4"
    & skf21("1","3","1","5","5","4","3","1") = "4"
    & skf21("1","3","1","5","5","4","4","1") = "4"
    & skf21("1","3","1","5","5","4","5","1") = "4"
    & skf21("1","3","1","5","5","4","6","1") = "5"
    & skf21("1","3","1","5","5","4","7","1") = "6"
    & skf21("1","3","1","5","5","5","1","1") = "4"
    & skf21("1","3","1","5","5","5","2","1") = "4"
    & skf21("1","3","1","5","5","5","3","1") = "4"
    & skf21("1","3","1","5","5","5","4","1") = "4"
    & skf21("1","3","1","5","5","5","5","1") = "4"
    & skf21("1","3","1","5","5","5","6","1") = "5"
    & skf21("1","3","1","5","5","5","7","1") = "6"
    & skf21("1","3","1","5","5","6","1","1") = "5"
    & skf21("1","3","1","5","5","6","2","1") = "5"
    & skf21("1","3","1","5","5","6","3","1") = "5"
    & skf21("1","3","1","5","5","6","4","1") = "5"
    & skf21("1","3","1","5","5","6","5","1") = "5"
    & skf21("1","3","1","5","5","6","6","1") = "5"
    & skf21("1","3","1","5","5","6","7","1") = "6"
    & skf21("1","3","1","5","5","7","1","1") = "6"
    & skf21("1","3","1","5","5","7","2","1") = "6"
    & skf21("1","3","1","5","5","7","3","1") = "6"
    & skf21("1","3","1","5","5","7","4","1") = "6"
    & skf21("1","3","1","5","5","7","5","1") = "6"
    & skf21("1","3","1","5","5","7","6","1") = "6"
    & skf21("1","3","1","5","5","7","7","1") = "6"
    & skf21("1","3","1","5","6","1","1","1") = "5"
    & skf21("1","3","1","5","6","1","2","1") = "5"
    & skf21("1","3","1","5","6","1","3","1") = "5"
    & skf21("1","3","1","5","6","1","4","1") = "5"
    & skf21("1","3","1","5","6","1","5","1") = "5"
    & skf21("1","3","1","5","6","1","6","1") = "5"
    & skf21("1","3","1","5","6","1","7","1") = "6"
    & skf21("1","3","1","5","6","2","1","1") = "5"
    & skf21("1","3","1","5","6","2","2","1") = "5"
    & skf21("1","3","1","5","6","2","3","1") = "5"
    & skf21("1","3","1","5","6","2","4","1") = "5"
    & skf21("1","3","1","5","6","2","5","1") = "5"
    & skf21("1","3","1","5","6","2","6","1") = "5"
    & skf21("1","3","1","5","6","2","7","1") = "6"
    & skf21("1","3","1","5","6","3","1","1") = "5"
    & skf21("1","3","1","5","6","3","2","1") = "5"
    & skf21("1","3","1","5","6","3","3","1") = "5"
    & skf21("1","3","1","5","6","3","4","1") = "5"
    & skf21("1","3","1","5","6","3","5","1") = "5"
    & skf21("1","3","1","5","6","3","6","1") = "5"
    & skf21("1","3","1","5","6","3","7","1") = "6"
    & skf21("1","3","1","5","6","4","1","1") = "5"
    & skf21("1","3","1","5","6","4","2","1") = "5"
    & skf21("1","3","1","5","6","4","3","1") = "5"
    & skf21("1","3","1","5","6","4","4","1") = "5"
    & skf21("1","3","1","5","6","4","5","1") = "5"
    & skf21("1","3","1","5","6","4","6","1") = "5"
    & skf21("1","3","1","5","6","4","7","1") = "6"
    & skf21("1","3","1","5","6","5","1","1") = "5"
    & skf21("1","3","1","5","6","5","2","1") = "5"
    & skf21("1","3","1","5","6","5","3","1") = "5"
    & skf21("1","3","1","5","6","5","4","1") = "5"
    & skf21("1","3","1","5","6","5","5","1") = "5"
    & skf21("1","3","1","5","6","5","6","1") = "5"
    & skf21("1","3","1","5","6","5","7","1") = "6"
    & skf21("1","3","1","5","6","6","1","1") = "5"
    & skf21("1","3","1","5","6","6","2","1") = "5"
    & skf21("1","3","1","5","6","6","3","1") = "5"
    & skf21("1","3","1","5","6","6","4","1") = "5"
    & skf21("1","3","1","5","6","6","5","1") = "5"
    & skf21("1","3","1","5","6","6","6","1") = "5"
    & skf21("1","3","1","5","6","6","7","1") = "6"
    & skf21("1","3","1","5","6","7","1","1") = "6"
    & skf21("1","3","1","5","6","7","2","1") = "6"
    & skf21("1","3","1","5","6","7","3","1") = "6"
    & skf21("1","3","1","5","6","7","4","1") = "6"
    & skf21("1","3","1","5","6","7","5","1") = "6"
    & skf21("1","3","1","5","6","7","6","1") = "6"
    & skf21("1","3","1","5","6","7","7","1") = "6"
    & skf21("1","3","1","5","7","1","1","1") = "6"
    & skf21("1","3","1","5","7","1","2","1") = "6"
    & skf21("1","3","1","5","7","1","3","1") = "6"
    & skf21("1","3","1","5","7","1","4","1") = "6"
    & skf21("1","3","1","5","7","1","5","1") = "6"
    & skf21("1","3","1","5","7","1","6","1") = "6"
    & skf21("1","3","1","5","7","1","7","1") = "6"
    & skf21("1","3","1","5","7","2","1","1") = "6"
    & skf21("1","3","1","5","7","2","2","1") = "6"
    & skf21("1","3","1","5","7","2","3","1") = "6"
    & skf21("1","3","1","5","7","2","4","1") = "6"
    & skf21("1","3","1","5","7","2","5","1") = "6"
    & skf21("1","3","1","5","7","2","6","1") = "6"
    & skf21("1","3","1","5","7","2","7","1") = "6"
    & skf21("1","3","1","5","7","3","1","1") = "6"
    & skf21("1","3","1","5","7","3","2","1") = "6"
    & skf21("1","3","1","5","7","3","3","1") = "6"
    & skf21("1","3","1","5","7","3","4","1") = "6"
    & skf21("1","3","1","5","7","3","5","1") = "6"
    & skf21("1","3","1","5","7","3","6","1") = "6"
    & skf21("1","3","1","5","7","3","7","1") = "6"
    & skf21("1","3","1","5","7","4","1","1") = "6"
    & skf21("1","3","1","5","7","4","2","1") = "6"
    & skf21("1","3","1","5","7","4","3","1") = "6"
    & skf21("1","3","1","5","7","4","4","1") = "6"
    & skf21("1","3","1","5","7","4","5","1") = "6"
    & skf21("1","3","1","5","7","4","6","1") = "6"
    & skf21("1","3","1","5","7","4","7","1") = "6"
    & skf21("1","3","1","5","7","5","1","1") = "6"
    & skf21("1","3","1","5","7","5","2","1") = "6"
    & skf21("1","3","1","5","7","5","3","1") = "6"
    & skf21("1","3","1","5","7","5","4","1") = "6"
    & skf21("1","3","1","5","7","5","5","1") = "6"
    & skf21("1","3","1","5","7","5","6","1") = "6"
    & skf21("1","3","1","5","7","5","7","1") = "6"
    & skf21("1","3","1","5","7","6","1","1") = "6"
    & skf21("1","3","1","5","7","6","2","1") = "6"
    & skf21("1","3","1","5","7","6","3","1") = "6"
    & skf21("1","3","1","5","7","6","4","1") = "6"
    & skf21("1","3","1","5","7","6","5","1") = "6"
    & skf21("1","3","1","5","7","6","6","1") = "6"
    & skf21("1","3","1","5","7","6","7","1") = "6"
    & skf21("1","3","1","5","7","7","1","1") = "6"
    & skf21("1","3","1","5","7","7","2","1") = "6"
    & skf21("1","3","1","5","7","7","3","1") = "6"
    & skf21("1","3","1","5","7","7","4","1") = "6"
    & skf21("1","3","1","5","7","7","5","1") = "6"
    & skf21("1","3","1","5","7","7","6","1") = "6"
    & skf21("1","3","1","5","7","7","7","1") = "6"
    & skf21("1","3","1","6","1","1","1","1") = "5"
    & skf21("1","3","1","6","1","1","2","1") = "5"
    & skf21("1","3","1","6","1","1","3","1") = "5"
    & skf21("1","3","1","6","1","1","4","1") = "5"
    & skf21("1","3","1","6","1","1","5","1") = "5"
    & skf21("1","3","1","6","1","1","6","1") = "5"
    & skf21("1","3","1","6","1","1","7","1") = "6"
    & skf21("1","3","1","6","1","2","1","1") = "5"
    & skf21("1","3","1","6","1","2","2","1") = "5"
    & skf21("1","3","1","6","1","2","3","1") = "5"
    & skf21("1","3","1","6","1","2","4","1") = "5"
    & skf21("1","3","1","6","1","2","5","1") = "5"
    & skf21("1","3","1","6","1","2","6","1") = "5"
    & skf21("1","3","1","6","1","2","7","1") = "6"
    & skf21("1","3","1","6","1","3","1","1") = "5"
    & skf21("1","3","1","6","1","3","2","1") = "5"
    & skf21("1","3","1","6","1","3","3","1") = "5"
    & skf21("1","3","1","6","1","3","4","1") = "5"
    & skf21("1","3","1","6","1","3","5","1") = "5"
    & skf21("1","3","1","6","1","3","6","1") = "5"
    & skf21("1","3","1","6","1","3","7","1") = "6"
    & skf21("1","3","1","6","1","4","1","1") = "5"
    & skf21("1","3","1","6","1","4","2","1") = "5"
    & skf21("1","3","1","6","1","4","3","1") = "5"
    & skf21("1","3","1","6","1","4","4","1") = "5"
    & skf21("1","3","1","6","1","4","5","1") = "5"
    & skf21("1","3","1","6","1","4","6","1") = "5"
    & skf21("1","3","1","6","1","4","7","1") = "6"
    & skf21("1","3","1","6","1","5","1","1") = "5"
    & skf21("1","3","1","6","1","5","2","1") = "5"
    & skf21("1","3","1","6","1","5","3","1") = "5"
    & skf21("1","3","1","6","1","5","4","1") = "5"
    & skf21("1","3","1","6","1","5","5","1") = "5"
    & skf21("1","3","1","6","1","5","6","1") = "5"
    & skf21("1","3","1","6","1","5","7","1") = "6"
    & skf21("1","3","1","6","1","6","1","1") = "5"
    & skf21("1","3","1","6","1","6","2","1") = "5"
    & skf21("1","3","1","6","1","6","3","1") = "5"
    & skf21("1","3","1","6","1","6","4","1") = "5"
    & skf21("1","3","1","6","1","6","5","1") = "5"
    & skf21("1","3","1","6","1","6","6","1") = "5"
    & skf21("1","3","1","6","1","6","7","1") = "6"
    & skf21("1","3","1","6","1","7","1","1") = "6"
    & skf21("1","3","1","6","1","7","2","1") = "6"
    & skf21("1","3","1","6","1","7","3","1") = "6"
    & skf21("1","3","1","6","1","7","4","1") = "6"
    & skf21("1","3","1","6","1","7","5","1") = "6"
    & skf21("1","3","1","6","1","7","6","1") = "6"
    & skf21("1","3","1","6","1","7","7","1") = "6"
    & skf21("1","3","1","6","2","1","1","1") = "5"
    & skf21("1","3","1","6","2","1","2","1") = "5"
    & skf21("1","3","1","6","2","1","3","1") = "5"
    & skf21("1","3","1","6","2","1","4","1") = "5"
    & skf21("1","3","1","6","2","1","5","1") = "5"
    & skf21("1","3","1","6","2","1","6","1") = "5"
    & skf21("1","3","1","6","2","1","7","1") = "6"
    & skf21("1","3","1","6","2","2","1","1") = "5"
    & skf21("1","3","1","6","2","2","2","1") = "5"
    & skf21("1","3","1","6","2","2","3","1") = "5"
    & skf21("1","3","1","6","2","2","4","1") = "5"
    & skf21("1","3","1","6","2","2","5","1") = "5"
    & skf21("1","3","1","6","2","2","6","1") = "5"
    & skf21("1","3","1","6","2","2","7","1") = "6"
    & skf21("1","3","1","6","2","3","1","1") = "5"
    & skf21("1","3","1","6","2","3","2","1") = "5"
    & skf21("1","3","1","6","2","3","3","1") = "5"
    & skf21("1","3","1","6","2","3","4","1") = "5"
    & skf21("1","3","1","6","2","3","5","1") = "5"
    & skf21("1","3","1","6","2","3","6","1") = "5"
    & skf21("1","3","1","6","2","3","7","1") = "6"
    & skf21("1","3","1","6","2","4","1","1") = "5"
    & skf21("1","3","1","6","2","4","2","1") = "5"
    & skf21("1","3","1","6","2","4","3","1") = "5"
    & skf21("1","3","1","6","2","4","4","1") = "5"
    & skf21("1","3","1","6","2","4","5","1") = "5"
    & skf21("1","3","1","6","2","4","6","1") = "5"
    & skf21("1","3","1","6","2","4","7","1") = "6"
    & skf21("1","3","1","6","2","5","1","1") = "5"
    & skf21("1","3","1","6","2","5","2","1") = "5"
    & skf21("1","3","1","6","2","5","3","1") = "5"
    & skf21("1","3","1","6","2","5","4","1") = "5"
    & skf21("1","3","1","6","2","5","5","1") = "5"
    & skf21("1","3","1","6","2","5","6","1") = "5"
    & skf21("1","3","1","6","2","5","7","1") = "6"
    & skf21("1","3","1","6","2","6","1","1") = "5"
    & skf21("1","3","1","6","2","6","2","1") = "5"
    & skf21("1","3","1","6","2","6","3","1") = "5"
    & skf21("1","3","1","6","2","6","4","1") = "5"
    & skf21("1","3","1","6","2","6","5","1") = "5"
    & skf21("1","3","1","6","2","6","6","1") = "5"
    & skf21("1","3","1","6","2","6","7","1") = "6"
    & skf21("1","3","1","6","2","7","1","1") = "6"
    & skf21("1","3","1","6","2","7","2","1") = "6"
    & skf21("1","3","1","6","2","7","3","1") = "6"
    & skf21("1","3","1","6","2","7","4","1") = "6"
    & skf21("1","3","1","6","2","7","5","1") = "6"
    & skf21("1","3","1","6","2","7","6","1") = "6"
    & skf21("1","3","1","6","2","7","7","1") = "6"
    & skf21("1","3","1","6","3","1","1","1") = "5"
    & skf21("1","3","1","6","3","1","2","1") = "5"
    & skf21("1","3","1","6","3","1","3","1") = "5"
    & skf21("1","3","1","6","3","1","4","1") = "5"
    & skf21("1","3","1","6","3","1","5","1") = "5"
    & skf21("1","3","1","6","3","1","6","1") = "5"
    & skf21("1","3","1","6","3","1","7","1") = "6"
    & skf21("1","3","1","6","3","2","1","1") = "5"
    & skf21("1","3","1","6","3","2","2","1") = "5"
    & skf21("1","3","1","6","3","2","3","1") = "5"
    & skf21("1","3","1","6","3","2","4","1") = "5"
    & skf21("1","3","1","6","3","2","5","1") = "5"
    & skf21("1","3","1","6","3","2","6","1") = "5"
    & skf21("1","3","1","6","3","2","7","1") = "6"
    & skf21("1","3","1","6","3","3","1","1") = "5"
    & skf21("1","3","1","6","3","3","2","1") = "5"
    & skf21("1","3","1","6","3","3","3","1") = "5"
    & skf21("1","3","1","6","3","3","4","1") = "5"
    & skf21("1","3","1","6","3","3","5","1") = "5"
    & skf21("1","3","1","6","3","3","6","1") = "5"
    & skf21("1","3","1","6","3","3","7","1") = "6"
    & skf21("1","3","1","6","3","4","1","1") = "5"
    & skf21("1","3","1","6","3","4","2","1") = "5"
    & skf21("1","3","1","6","3","4","3","1") = "5"
    & skf21("1","3","1","6","3","4","4","1") = "5"
    & skf21("1","3","1","6","3","4","5","1") = "5"
    & skf21("1","3","1","6","3","4","6","1") = "5"
    & skf21("1","3","1","6","3","4","7","1") = "6"
    & skf21("1","3","1","6","3","5","1","1") = "5"
    & skf21("1","3","1","6","3","5","2","1") = "5"
    & skf21("1","3","1","6","3","5","3","1") = "5"
    & skf21("1","3","1","6","3","5","4","1") = "5"
    & skf21("1","3","1","6","3","5","5","1") = "5"
    & skf21("1","3","1","6","3","5","6","1") = "5"
    & skf21("1","3","1","6","3","5","7","1") = "6"
    & skf21("1","3","1","6","3","6","1","1") = "5"
    & skf21("1","3","1","6","3","6","2","1") = "5"
    & skf21("1","3","1","6","3","6","3","1") = "5"
    & skf21("1","3","1","6","3","6","4","1") = "5"
    & skf21("1","3","1","6","3","6","5","1") = "5"
    & skf21("1","3","1","6","3","6","6","1") = "5"
    & skf21("1","3","1","6","3","6","7","1") = "6"
    & skf21("1","3","1","6","3","7","1","1") = "6"
    & skf21("1","3","1","6","3","7","2","1") = "6"
    & skf21("1","3","1","6","3","7","3","1") = "6"
    & skf21("1","3","1","6","3","7","4","1") = "6"
    & skf21("1","3","1","6","3","7","5","1") = "6"
    & skf21("1","3","1","6","3","7","6","1") = "6"
    & skf21("1","3","1","6","3","7","7","1") = "6"
    & skf21("1","3","1","6","4","1","1","1") = "5"
    & skf21("1","3","1","6","4","1","2","1") = "5"
    & skf21("1","3","1","6","4","1","3","1") = "5"
    & skf21("1","3","1","6","4","1","4","1") = "5"
    & skf21("1","3","1","6","4","1","5","1") = "5"
    & skf21("1","3","1","6","4","1","6","1") = "5"
    & skf21("1","3","1","6","4","1","7","1") = "6"
    & skf21("1","3","1","6","4","2","1","1") = "5"
    & skf21("1","3","1","6","4","2","2","1") = "5"
    & skf21("1","3","1","6","4","2","3","1") = "5"
    & skf21("1","3","1","6","4","2","4","1") = "5"
    & skf21("1","3","1","6","4","2","5","1") = "5"
    & skf21("1","3","1","6","4","2","6","1") = "5"
    & skf21("1","3","1","6","4","2","7","1") = "6"
    & skf21("1","3","1","6","4","3","1","1") = "5"
    & skf21("1","3","1","6","4","3","2","1") = "5"
    & skf21("1","3","1","6","4","3","3","1") = "5"
    & skf21("1","3","1","6","4","3","4","1") = "5"
    & skf21("1","3","1","6","4","3","5","1") = "5"
    & skf21("1","3","1","6","4","3","6","1") = "5"
    & skf21("1","3","1","6","4","3","7","1") = "6"
    & skf21("1","3","1","6","4","4","1","1") = "5"
    & skf21("1","3","1","6","4","4","2","1") = "5"
    & skf21("1","3","1","6","4","4","3","1") = "5"
    & skf21("1","3","1","6","4","4","4","1") = "5"
    & skf21("1","3","1","6","4","4","5","1") = "5"
    & skf21("1","3","1","6","4","4","6","1") = "5"
    & skf21("1","3","1","6","4","4","7","1") = "6"
    & skf21("1","3","1","6","4","5","1","1") = "5"
    & skf21("1","3","1","6","4","5","2","1") = "5"
    & skf21("1","3","1","6","4","5","3","1") = "5"
    & skf21("1","3","1","6","4","5","4","1") = "5"
    & skf21("1","3","1","6","4","5","5","1") = "5"
    & skf21("1","3","1","6","4","5","6","1") = "5"
    & skf21("1","3","1","6","4","5","7","1") = "6"
    & skf21("1","3","1","6","4","6","1","1") = "5"
    & skf21("1","3","1","6","4","6","2","1") = "5"
    & skf21("1","3","1","6","4","6","3","1") = "5"
    & skf21("1","3","1","6","4","6","4","1") = "5"
    & skf21("1","3","1","6","4","6","5","1") = "5"
    & skf21("1","3","1","6","4","6","6","1") = "5"
    & skf21("1","3","1","6","4","6","7","1") = "6"
    & skf21("1","3","1","6","4","7","1","1") = "6"
    & skf21("1","3","1","6","4","7","2","1") = "6"
    & skf21("1","3","1","6","4","7","3","1") = "6"
    & skf21("1","3","1","6","4","7","4","1") = "6"
    & skf21("1","3","1","6","4","7","5","1") = "6"
    & skf21("1","3","1","6","4","7","6","1") = "6"
    & skf21("1","3","1","6","4","7","7","1") = "6"
    & skf21("1","3","1","6","5","1","1","1") = "5"
    & skf21("1","3","1","6","5","1","2","1") = "5"
    & skf21("1","3","1","6","5","1","3","1") = "5"
    & skf21("1","3","1","6","5","1","4","1") = "5"
    & skf21("1","3","1","6","5","1","5","1") = "5"
    & skf21("1","3","1","6","5","1","6","1") = "5"
    & skf21("1","3","1","6","5","1","7","1") = "6"
    & skf21("1","3","1","6","5","2","1","1") = "5"
    & skf21("1","3","1","6","5","2","2","1") = "5"
    & skf21("1","3","1","6","5","2","3","1") = "5"
    & skf21("1","3","1","6","5","2","4","1") = "5"
    & skf21("1","3","1","6","5","2","5","1") = "5"
    & skf21("1","3","1","6","5","2","6","1") = "5"
    & skf21("1","3","1","6","5","2","7","1") = "6"
    & skf21("1","3","1","6","5","3","1","1") = "5"
    & skf21("1","3","1","6","5","3","2","1") = "5"
    & skf21("1","3","1","6","5","3","3","1") = "5"
    & skf21("1","3","1","6","5","3","4","1") = "5"
    & skf21("1","3","1","6","5","3","5","1") = "5"
    & skf21("1","3","1","6","5","3","6","1") = "5"
    & skf21("1","3","1","6","5","3","7","1") = "6"
    & skf21("1","3","1","6","5","4","1","1") = "5"
    & skf21("1","3","1","6","5","4","2","1") = "5"
    & skf21("1","3","1","6","5","4","3","1") = "5"
    & skf21("1","3","1","6","5","4","4","1") = "5"
    & skf21("1","3","1","6","5","4","5","1") = "5"
    & skf21("1","3","1","6","5","4","6","1") = "5"
    & skf21("1","3","1","6","5","4","7","1") = "6"
    & skf21("1","3","1","6","5","5","1","1") = "5"
    & skf21("1","3","1","6","5","5","2","1") = "5"
    & skf21("1","3","1","6","5","5","3","1") = "5"
    & skf21("1","3","1","6","5","5","4","1") = "5"
    & skf21("1","3","1","6","5","5","5","1") = "5"
    & skf21("1","3","1","6","5","5","6","1") = "5"
    & skf21("1","3","1","6","5","5","7","1") = "6"
    & skf21("1","3","1","6","5","6","1","1") = "5"
    & skf21("1","3","1","6","5","6","2","1") = "5"
    & skf21("1","3","1","6","5","6","3","1") = "5"
    & skf21("1","3","1","6","5","6","4","1") = "5"
    & skf21("1","3","1","6","5","6","5","1") = "5"
    & skf21("1","3","1","6","5","6","6","1") = "5"
    & skf21("1","3","1","6","5","6","7","1") = "6"
    & skf21("1","3","1","6","5","7","1","1") = "6"
    & skf21("1","3","1","6","5","7","2","1") = "6"
    & skf21("1","3","1","6","5","7","3","1") = "6"
    & skf21("1","3","1","6","5","7","4","1") = "6"
    & skf21("1","3","1","6","5","7","5","1") = "6"
    & skf21("1","3","1","6","5","7","6","1") = "6"
    & skf21("1","3","1","6","5","7","7","1") = "6"
    & skf21("1","3","1","6","6","1","1","1") = "5"
    & skf21("1","3","1","6","6","1","2","1") = "5"
    & skf21("1","3","1","6","6","1","3","1") = "5"
    & skf21("1","3","1","6","6","1","4","1") = "5"
    & skf21("1","3","1","6","6","1","5","1") = "5"
    & skf21("1","3","1","6","6","1","6","1") = "5"
    & skf21("1","3","1","6","6","1","7","1") = "6"
    & skf21("1","3","1","6","6","2","1","1") = "5"
    & skf21("1","3","1","6","6","2","2","1") = "5"
    & skf21("1","3","1","6","6","2","3","1") = "5"
    & skf21("1","3","1","6","6","2","4","1") = "5"
    & skf21("1","3","1","6","6","2","5","1") = "5"
    & skf21("1","3","1","6","6","2","6","1") = "5"
    & skf21("1","3","1","6","6","2","7","1") = "6"
    & skf21("1","3","1","6","6","3","1","1") = "5"
    & skf21("1","3","1","6","6","3","2","1") = "5"
    & skf21("1","3","1","6","6","3","3","1") = "5"
    & skf21("1","3","1","6","6","3","4","1") = "5"
    & skf21("1","3","1","6","6","3","5","1") = "5"
    & skf21("1","3","1","6","6","3","6","1") = "5"
    & skf21("1","3","1","6","6","3","7","1") = "6"
    & skf21("1","3","1","6","6","4","1","1") = "5"
    & skf21("1","3","1","6","6","4","2","1") = "5"
    & skf21("1","3","1","6","6","4","3","1") = "5"
    & skf21("1","3","1","6","6","4","4","1") = "5"
    & skf21("1","3","1","6","6","4","5","1") = "5"
    & skf21("1","3","1","6","6","4","6","1") = "5"
    & skf21("1","3","1","6","6","4","7","1") = "6"
    & skf21("1","3","1","6","6","5","1","1") = "5"
    & skf21("1","3","1","6","6","5","2","1") = "5"
    & skf21("1","3","1","6","6","5","3","1") = "5"
    & skf21("1","3","1","6","6","5","4","1") = "5"
    & skf21("1","3","1","6","6","5","5","1") = "5"
    & skf21("1","3","1","6","6","5","6","1") = "5"
    & skf21("1","3","1","6","6","5","7","1") = "6"
    & skf21("1","3","1","6","6","6","1","1") = "5"
    & skf21("1","3","1","6","6","6","2","1") = "5"
    & skf21("1","3","1","6","6","6","3","1") = "5"
    & skf21("1","3","1","6","6","6","4","1") = "5"
    & skf21("1","3","1","6","6","6","5","1") = "5"
    & skf21("1","3","1","6","6","6","6","1") = "5"
    & skf21("1","3","1","6","6","6","7","1") = "6"
    & skf21("1","3","1","6","6","7","1","1") = "6"
    & skf21("1","3","1","6","6","7","2","1") = "6"
    & skf21("1","3","1","6","6","7","3","1") = "6"
    & skf21("1","3","1","6","6","7","4","1") = "6"
    & skf21("1","3","1","6","6","7","5","1") = "6"
    & skf21("1","3","1","6","6","7","6","1") = "6"
    & skf21("1","3","1","6","6","7","7","1") = "6"
    & skf21("1","3","1","6","7","1","1","1") = "6"
    & skf21("1","3","1","6","7","1","2","1") = "6"
    & skf21("1","3","1","6","7","1","3","1") = "6"
    & skf21("1","3","1","6","7","1","4","1") = "6"
    & skf21("1","3","1","6","7","1","5","1") = "6"
    & skf21("1","3","1","6","7","1","6","1") = "6"
    & skf21("1","3","1","6","7","1","7","1") = "6"
    & skf21("1","3","1","6","7","2","1","1") = "6"
    & skf21("1","3","1","6","7","2","2","1") = "6"
    & skf21("1","3","1","6","7","2","3","1") = "6"
    & skf21("1","3","1","6","7","2","4","1") = "6"
    & skf21("1","3","1","6","7","2","5","1") = "6"
    & skf21("1","3","1","6","7","2","6","1") = "6"
    & skf21("1","3","1","6","7","2","7","1") = "6"
    & skf21("1","3","1","6","7","3","1","1") = "6"
    & skf21("1","3","1","6","7","3","2","1") = "6"
    & skf21("1","3","1","6","7","3","3","1") = "6"
    & skf21("1","3","1","6","7","3","4","1") = "6"
    & skf21("1","3","1","6","7","3","5","1") = "6"
    & skf21("1","3","1","6","7","3","6","1") = "6"
    & skf21("1","3","1","6","7","3","7","1") = "6"
    & skf21("1","3","1","6","7","4","1","1") = "6"
    & skf21("1","3","1","6","7","4","2","1") = "6"
    & skf21("1","3","1","6","7","4","3","1") = "6"
    & skf21("1","3","1","6","7","4","4","1") = "6"
    & skf21("1","3","1","6","7","4","5","1") = "6"
    & skf21("1","3","1","6","7","4","6","1") = "6"
    & skf21("1","3","1","6","7","4","7","1") = "6"
    & skf21("1","3","1","6","7","5","1","1") = "6"
    & skf21("1","3","1","6","7","5","2","1") = "6"
    & skf21("1","3","1","6","7","5","3","1") = "6"
    & skf21("1","3","1","6","7","5","4","1") = "6"
    & skf21("1","3","1","6","7","5","5","1") = "6"
    & skf21("1","3","1","6","7","5","6","1") = "6"
    & skf21("1","3","1","6","7","5","7","1") = "6"
    & skf21("1","3","1","6","7","6","1","1") = "6"
    & skf21("1","3","1","6","7","6","2","1") = "6"
    & skf21("1","3","1","6","7","6","3","1") = "6"
    & skf21("1","3","1","6","7","6","4","1") = "6"
    & skf21("1","3","1","6","7","6","5","1") = "6"
    & skf21("1","3","1","6","7","6","6","1") = "6"
    & skf21("1","3","1","6","7","6","7","1") = "6"
    & skf21("1","3","1","6","7","7","1","1") = "6"
    & skf21("1","3","1","6","7","7","2","1") = "6"
    & skf21("1","3","1","6","7","7","3","1") = "6"
    & skf21("1","3","1","6","7","7","4","1") = "6"
    & skf21("1","3","1","6","7","7","5","1") = "6"
    & skf21("1","3","1","6","7","7","6","1") = "6"
    & skf21("1","3","1","6","7","7","7","1") = "6"
    & skf21("1","3","1","7","1","1","1","1") = "6"
    & skf21("1","3","1","7","1","1","2","1") = "6"
    & skf21("1","3","1","7","1","1","3","1") = "6"
    & skf21("1","3","1","7","1","1","4","1") = "6"
    & skf21("1","3","1","7","1","1","5","1") = "6"
    & skf21("1","3","1","7","1","1","6","1") = "6"
    & skf21("1","3","1","7","1","1","7","1") = "6"
    & skf21("1","3","1","7","1","2","1","1") = "6"
    & skf21("1","3","1","7","1","2","2","1") = "6"
    & skf21("1","3","1","7","1","2","3","1") = "6"
    & skf21("1","3","1","7","1","2","4","1") = "6"
    & skf21("1","3","1","7","1","2","5","1") = "6"
    & skf21("1","3","1","7","1","2","6","1") = "6"
    & skf21("1","3","1","7","1","2","7","1") = "6"
    & skf21("1","3","1","7","1","3","1","1") = "6"
    & skf21("1","3","1","7","1","3","2","1") = "6"
    & skf21("1","3","1","7","1","3","3","1") = "6"
    & skf21("1","3","1","7","1","3","4","1") = "6"
    & skf21("1","3","1","7","1","3","5","1") = "6"
    & skf21("1","3","1","7","1","3","6","1") = "6"
    & skf21("1","3","1","7","1","3","7","1") = "6"
    & skf21("1","3","1","7","1","4","1","1") = "6"
    & skf21("1","3","1","7","1","4","2","1") = "6"
    & skf21("1","3","1","7","1","4","3","1") = "6"
    & skf21("1","3","1","7","1","4","4","1") = "6"
    & skf21("1","3","1","7","1","4","5","1") = "6"
    & skf21("1","3","1","7","1","4","6","1") = "6"
    & skf21("1","3","1","7","1","4","7","1") = "6"
    & skf21("1","3","1","7","1","5","1","1") = "6"
    & skf21("1","3","1","7","1","5","2","1") = "6"
    & skf21("1","3","1","7","1","5","3","1") = "6"
    & skf21("1","3","1","7","1","5","4","1") = "6"
    & skf21("1","3","1","7","1","5","5","1") = "6"
    & skf21("1","3","1","7","1","5","6","1") = "6"
    & skf21("1","3","1","7","1","5","7","1") = "6"
    & skf21("1","3","1","7","1","6","1","1") = "6"
    & skf21("1","3","1","7","1","6","2","1") = "6"
    & skf21("1","3","1","7","1","6","3","1") = "6"
    & skf21("1","3","1","7","1","6","4","1") = "6"
    & skf21("1","3","1","7","1","6","5","1") = "6"
    & skf21("1","3","1","7","1","6","6","1") = "6"
    & skf21("1","3","1","7","1","6","7","1") = "6"
    & skf21("1","3","1","7","1","7","1","1") = "6"
    & skf21("1","3","1","7","1","7","2","1") = "6"
    & skf21("1","3","1","7","1","7","3","1") = "6"
    & skf21("1","3","1","7","1","7","4","1") = "6"
    & skf21("1","3","1","7","1","7","5","1") = "6"
    & skf21("1","3","1","7","1","7","6","1") = "6"
    & skf21("1","3","1","7","1","7","7","1") = "6"
    & skf21("1","3","1","7","2","1","1","1") = "6"
    & skf21("1","3","1","7","2","1","2","1") = "6"
    & skf21("1","3","1","7","2","1","3","1") = "6"
    & skf21("1","3","1","7","2","1","4","1") = "6"
    & skf21("1","3","1","7","2","1","5","1") = "6"
    & skf21("1","3","1","7","2","1","6","1") = "6"
    & skf21("1","3","1","7","2","1","7","1") = "6"
    & skf21("1","3","1","7","2","2","1","1") = "6"
    & skf21("1","3","1","7","2","2","2","1") = "6"
    & skf21("1","3","1","7","2","2","3","1") = "6"
    & skf21("1","3","1","7","2","2","4","1") = "6"
    & skf21("1","3","1","7","2","2","5","1") = "6"
    & skf21("1","3","1","7","2","2","6","1") = "6"
    & skf21("1","3","1","7","2","2","7","1") = "6"
    & skf21("1","3","1","7","2","3","1","1") = "6"
    & skf21("1","3","1","7","2","3","2","1") = "6"
    & skf21("1","3","1","7","2","3","3","1") = "6"
    & skf21("1","3","1","7","2","3","4","1") = "6"
    & skf21("1","3","1","7","2","3","5","1") = "6"
    & skf21("1","3","1","7","2","3","6","1") = "6"
    & skf21("1","3","1","7","2","3","7","1") = "6"
    & skf21("1","3","1","7","2","4","1","1") = "6"
    & skf21("1","3","1","7","2","4","2","1") = "6"
    & skf21("1","3","1","7","2","4","3","1") = "6"
    & skf21("1","3","1","7","2","4","4","1") = "6"
    & skf21("1","3","1","7","2","4","5","1") = "6"
    & skf21("1","3","1","7","2","4","6","1") = "6"
    & skf21("1","3","1","7","2","4","7","1") = "6"
    & skf21("1","3","1","7","2","5","1","1") = "6"
    & skf21("1","3","1","7","2","5","2","1") = "6"
    & skf21("1","3","1","7","2","5","3","1") = "6"
    & skf21("1","3","1","7","2","5","4","1") = "6"
    & skf21("1","3","1","7","2","5","5","1") = "6"
    & skf21("1","3","1","7","2","5","6","1") = "6"
    & skf21("1","3","1","7","2","5","7","1") = "6"
    & skf21("1","3","1","7","2","6","1","1") = "6"
    & skf21("1","3","1","7","2","6","2","1") = "6"
    & skf21("1","3","1","7","2","6","3","1") = "6"
    & skf21("1","3","1","7","2","6","4","1") = "6"
    & skf21("1","3","1","7","2","6","5","1") = "6"
    & skf21("1","3","1","7","2","6","6","1") = "6"
    & skf21("1","3","1","7","2","6","7","1") = "6"
    & skf21("1","3","1","7","2","7","1","1") = "6"
    & skf21("1","3","1","7","2","7","2","1") = "6"
    & skf21("1","3","1","7","2","7","3","1") = "6"
    & skf21("1","3","1","7","2","7","4","1") = "6"
    & skf21("1","3","1","7","2","7","5","1") = "6"
    & skf21("1","3","1","7","2","7","6","1") = "6"
    & skf21("1","3","1","7","2","7","7","1") = "6"
    & skf21("1","3","1","7","3","1","1","1") = "6"
    & skf21("1","3","1","7","3","1","2","1") = "6"
    & skf21("1","3","1","7","3","1","3","1") = "6"
    & skf21("1","3","1","7","3","1","4","1") = "6"
    & skf21("1","3","1","7","3","1","5","1") = "6"
    & skf21("1","3","1","7","3","1","6","1") = "6"
    & skf21("1","3","1","7","3","1","7","1") = "6"
    & skf21("1","3","1","7","3","2","1","1") = "6"
    & skf21("1","3","1","7","3","2","2","1") = "6"
    & skf21("1","3","1","7","3","2","3","1") = "6"
    & skf21("1","3","1","7","3","2","4","1") = "6"
    & skf21("1","3","1","7","3","2","5","1") = "6"
    & skf21("1","3","1","7","3","2","6","1") = "6"
    & skf21("1","3","1","7","3","2","7","1") = "6"
    & skf21("1","3","1","7","3","3","1","1") = "6"
    & skf21("1","3","1","7","3","3","2","1") = "6"
    & skf21("1","3","1","7","3","3","3","1") = "6"
    & skf21("1","3","1","7","3","3","4","1") = "6"
    & skf21("1","3","1","7","3","3","5","1") = "6"
    & skf21("1","3","1","7","3","3","6","1") = "6"
    & skf21("1","3","1","7","3","3","7","1") = "6"
    & skf21("1","3","1","7","3","4","1","1") = "6"
    & skf21("1","3","1","7","3","4","2","1") = "6"
    & skf21("1","3","1","7","3","4","3","1") = "6"
    & skf21("1","3","1","7","3","4","4","1") = "6"
    & skf21("1","3","1","7","3","4","5","1") = "6"
    & skf21("1","3","1","7","3","4","6","1") = "6"
    & skf21("1","3","1","7","3","4","7","1") = "6"
    & skf21("1","3","1","7","3","5","1","1") = "6"
    & skf21("1","3","1","7","3","5","2","1") = "6"
    & skf21("1","3","1","7","3","5","3","1") = "6"
    & skf21("1","3","1","7","3","5","4","1") = "6"
    & skf21("1","3","1","7","3","5","5","1") = "6"
    & skf21("1","3","1","7","3","5","6","1") = "6"
    & skf21("1","3","1","7","3","5","7","1") = "6"
    & skf21("1","3","1","7","3","6","1","1") = "6"
    & skf21("1","3","1","7","3","6","2","1") = "6"
    & skf21("1","3","1","7","3","6","3","1") = "6"
    & skf21("1","3","1","7","3","6","4","1") = "6"
    & skf21("1","3","1","7","3","6","5","1") = "6"
    & skf21("1","3","1","7","3","6","6","1") = "6"
    & skf21("1","3","1","7","3","6","7","1") = "6"
    & skf21("1","3","1","7","3","7","1","1") = "6"
    & skf21("1","3","1","7","3","7","2","1") = "6"
    & skf21("1","3","1","7","3","7","3","1") = "6"
    & skf21("1","3","1","7","3","7","4","1") = "6"
    & skf21("1","3","1","7","3","7","5","1") = "6"
    & skf21("1","3","1","7","3","7","6","1") = "6"
    & skf21("1","3","1","7","3","7","7","1") = "6"
    & skf21("1","3","1","7","4","1","1","1") = "6"
    & skf21("1","3","1","7","4","1","2","1") = "6"
    & skf21("1","3","1","7","4","1","3","1") = "6"
    & skf21("1","3","1","7","4","1","4","1") = "6"
    & skf21("1","3","1","7","4","1","5","1") = "6"
    & skf21("1","3","1","7","4","1","6","1") = "6"
    & skf21("1","3","1","7","4","1","7","1") = "6"
    & skf21("1","3","1","7","4","2","1","1") = "6"
    & skf21("1","3","1","7","4","2","2","1") = "6"
    & skf21("1","3","1","7","4","2","3","1") = "6"
    & skf21("1","3","1","7","4","2","4","1") = "6"
    & skf21("1","3","1","7","4","2","5","1") = "6"
    & skf21("1","3","1","7","4","2","6","1") = "6"
    & skf21("1","3","1","7","4","2","7","1") = "6"
    & skf21("1","3","1","7","4","3","1","1") = "6"
    & skf21("1","3","1","7","4","3","2","1") = "6"
    & skf21("1","3","1","7","4","3","3","1") = "6"
    & skf21("1","3","1","7","4","3","4","1") = "6"
    & skf21("1","3","1","7","4","3","5","1") = "6"
    & skf21("1","3","1","7","4","3","6","1") = "6"
    & skf21("1","3","1","7","4","3","7","1") = "6"
    & skf21("1","3","1","7","4","4","1","1") = "6"
    & skf21("1","3","1","7","4","4","2","1") = "6"
    & skf21("1","3","1","7","4","4","3","1") = "6"
    & skf21("1","3","1","7","4","4","4","1") = "6"
    & skf21("1","3","1","7","4","4","5","1") = "6"
    & skf21("1","3","1","7","4","4","6","1") = "6"
    & skf21("1","3","1","7","4","4","7","1") = "6"
    & skf21("1","3","1","7","4","5","1","1") = "6"
    & skf21("1","3","1","7","4","5","2","1") = "6"
    & skf21("1","3","1","7","4","5","3","1") = "6"
    & skf21("1","3","1","7","4","5","4","1") = "6"
    & skf21("1","3","1","7","4","5","5","1") = "6"
    & skf21("1","3","1","7","4","5","6","1") = "6"
    & skf21("1","3","1","7","4","5","7","1") = "6"
    & skf21("1","3","1","7","4","6","1","1") = "6"
    & skf21("1","3","1","7","4","6","2","1") = "6"
    & skf21("1","3","1","7","4","6","3","1") = "6"
    & skf21("1","3","1","7","4","6","4","1") = "6"
    & skf21("1","3","1","7","4","6","5","1") = "6"
    & skf21("1","3","1","7","4","6","6","1") = "6"
    & skf21("1","3","1","7","4","6","7","1") = "6"
    & skf21("1","3","1","7","4","7","1","1") = "6"
    & skf21("1","3","1","7","4","7","2","1") = "6"
    & skf21("1","3","1","7","4","7","3","1") = "6"
    & skf21("1","3","1","7","4","7","4","1") = "6"
    & skf21("1","3","1","7","4","7","5","1") = "6"
    & skf21("1","3","1","7","4","7","6","1") = "6"
    & skf21("1","3","1","7","4","7","7","1") = "6"
    & skf21("1","3","1","7","5","1","1","1") = "6"
    & skf21("1","3","1","7","5","1","2","1") = "6"
    & skf21("1","3","1","7","5","1","3","1") = "6"
    & skf21("1","3","1","7","5","1","4","1") = "6"
    & skf21("1","3","1","7","5","1","5","1") = "6"
    & skf21("1","3","1","7","5","1","6","1") = "6"
    & skf21("1","3","1","7","5","1","7","1") = "6"
    & skf21("1","3","1","7","5","2","1","1") = "6"
    & skf21("1","3","1","7","5","2","2","1") = "6"
    & skf21("1","3","1","7","5","2","3","1") = "6"
    & skf21("1","3","1","7","5","2","4","1") = "6"
    & skf21("1","3","1","7","5","2","5","1") = "6"
    & skf21("1","3","1","7","5","2","6","1") = "6"
    & skf21("1","3","1","7","5","2","7","1") = "6"
    & skf21("1","3","1","7","5","3","1","1") = "6"
    & skf21("1","3","1","7","5","3","2","1") = "6"
    & skf21("1","3","1","7","5","3","3","1") = "6"
    & skf21("1","3","1","7","5","3","4","1") = "6"
    & skf21("1","3","1","7","5","3","5","1") = "6"
    & skf21("1","3","1","7","5","3","6","1") = "6"
    & skf21("1","3","1","7","5","3","7","1") = "6"
    & skf21("1","3","1","7","5","4","1","1") = "6"
    & skf21("1","3","1","7","5","4","2","1") = "6"
    & skf21("1","3","1","7","5","4","3","1") = "6"
    & skf21("1","3","1","7","5","4","4","1") = "6"
    & skf21("1","3","1","7","5","4","5","1") = "6"
    & skf21("1","3","1","7","5","4","6","1") = "6"
    & skf21("1","3","1","7","5","4","7","1") = "6"
    & skf21("1","3","1","7","5","5","1","1") = "6"
    & skf21("1","3","1","7","5","5","2","1") = "6"
    & skf21("1","3","1","7","5","5","3","1") = "6"
    & skf21("1","3","1","7","5","5","4","1") = "6"
    & skf21("1","3","1","7","5","5","5","1") = "6"
    & skf21("1","3","1","7","5","5","6","1") = "6"
    & skf21("1","3","1","7","5","5","7","1") = "6"
    & skf21("1","3","1","7","5","6","1","1") = "6"
    & skf21("1","3","1","7","5","6","2","1") = "6"
    & skf21("1","3","1","7","5","6","3","1") = "6"
    & skf21("1","3","1","7","5","6","4","1") = "6"
    & skf21("1","3","1","7","5","6","5","1") = "6"
    & skf21("1","3","1","7","5","6","6","1") = "6"
    & skf21("1","3","1","7","5","6","7","1") = "6"
    & skf21("1","3","1","7","5","7","1","1") = "6"
    & skf21("1","3","1","7","5","7","2","1") = "6"
    & skf21("1","3","1","7","5","7","3","1") = "6"
    & skf21("1","3","1","7","5","7","4","1") = "6"
    & skf21("1","3","1","7","5","7","5","1") = "6"
    & skf21("1","3","1","7","5","7","6","1") = "6"
    & skf21("1","3","1","7","5","7","7","1") = "6"
    & skf21("1","3","1","7","6","1","1","1") = "6"
    & skf21("1","3","1","7","6","1","2","1") = "6"
    & skf21("1","3","1","7","6","1","3","1") = "6"
    & skf21("1","3","1","7","6","1","4","1") = "6"
    & skf21("1","3","1","7","6","1","5","1") = "6"
    & skf21("1","3","1","7","6","1","6","1") = "6"
    & skf21("1","3","1","7","6","1","7","1") = "6"
    & skf21("1","3","1","7","6","2","1","1") = "6"
    & skf21("1","3","1","7","6","2","2","1") = "6"
    & skf21("1","3","1","7","6","2","3","1") = "6"
    & skf21("1","3","1","7","6","2","4","1") = "6"
    & skf21("1","3","1","7","6","2","5","1") = "6"
    & skf21("1","3","1","7","6","2","6","1") = "6"
    & skf21("1","3","1","7","6","2","7","1") = "6"
    & skf21("1","3","1","7","6","3","1","1") = "6"
    & skf21("1","3","1","7","6","3","2","1") = "6"
    & skf21("1","3","1","7","6","3","3","1") = "6"
    & skf21("1","3","1","7","6","3","4","1") = "6"
    & skf21("1","3","1","7","6","3","5","1") = "6"
    & skf21("1","3","1","7","6","3","6","1") = "6"
    & skf21("1","3","1","7","6","3","7","1") = "6"
    & skf21("1","3","1","7","6","4","1","1") = "6"
    & skf21("1","3","1","7","6","4","2","1") = "6"
    & skf21("1","3","1","7","6","4","3","1") = "6"
    & skf21("1","3","1","7","6","4","4","1") = "6"
    & skf21("1","3","1","7","6","4","5","1") = "6"
    & skf21("1","3","1","7","6","4","6","1") = "6"
    & skf21("1","3","1","7","6","4","7","1") = "6"
    & skf21("1","3","1","7","6","5","1","1") = "6"
    & skf21("1","3","1","7","6","5","2","1") = "6"
    & skf21("1","3","1","7","6","5","3","1") = "6"
    & skf21("1","3","1","7","6","5","4","1") = "6"
    & skf21("1","3","1","7","6","5","5","1") = "6"
    & skf21("1","3","1","7","6","5","6","1") = "6"
    & skf21("1","3","1","7","6","5","7","1") = "6"
    & skf21("1","3","1","7","6","6","1","1") = "6"
    & skf21("1","3","1","7","6","6","2","1") = "6"
    & skf21("1","3","1","7","6","6","3","1") = "6"
    & skf21("1","3","1","7","6","6","4","1") = "6"
    & skf21("1","3","1","7","6","6","5","1") = "6"
    & skf21("1","3","1","7","6","6","6","1") = "6"
    & skf21("1","3","1","7","6","6","7","1") = "6"
    & skf21("1","3","1","7","6","7","1","1") = "6"
    & skf21("1","3","1","7","6","7","2","1") = "6"
    & skf21("1","3","1","7","6","7","3","1") = "6"
    & skf21("1","3","1","7","6","7","4","1") = "6"
    & skf21("1","3","1","7","6","7","5","1") = "6"
    & skf21("1","3","1","7","6","7","6","1") = "6"
    & skf21("1","3","1","7","6","7","7","1") = "6"
    & skf21("1","3","1","7","7","1","1","1") = "6"
    & skf21("1","3","1","7","7","1","2","1") = "6"
    & skf21("1","3","1","7","7","1","3","1") = "6"
    & skf21("1","3","1","7","7","1","4","1") = "6"
    & skf21("1","3","1","7","7","1","5","1") = "6"
    & skf21("1","3","1","7","7","1","6","1") = "6"
    & skf21("1","3","1","7","7","1","7","1") = "6"
    & skf21("1","3","1","7","7","2","1","1") = "6"
    & skf21("1","3","1","7","7","2","2","1") = "6"
    & skf21("1","3","1","7","7","2","3","1") = "6"
    & skf21("1","3","1","7","7","2","4","1") = "6"
    & skf21("1","3","1","7","7","2","5","1") = "6"
    & skf21("1","3","1","7","7","2","6","1") = "6"
    & skf21("1","3","1","7","7","2","7","1") = "6"
    & skf21("1","3","1","7","7","3","1","1") = "6"
    & skf21("1","3","1","7","7","3","2","1") = "6"
    & skf21("1","3","1","7","7","3","3","1") = "6"
    & skf21("1","3","1","7","7","3","4","1") = "6"
    & skf21("1","3","1","7","7","3","5","1") = "6"
    & skf21("1","3","1","7","7","3","6","1") = "6"
    & skf21("1","3","1","7","7","3","7","1") = "6"
    & skf21("1","3","1","7","7","4","1","1") = "6"
    & skf21("1","3","1","7","7","4","2","1") = "6"
    & skf21("1","3","1","7","7","4","3","1") = "6"
    & skf21("1","3","1","7","7","4","4","1") = "6"
    & skf21("1","3","1","7","7","4","5","1") = "6"
    & skf21("1","3","1","7","7","4","6","1") = "6"
    & skf21("1","3","1","7","7","4","7","1") = "6"
    & skf21("1","3","1","7","7","5","1","1") = "6"
    & skf21("1","3","1","7","7","5","2","1") = "6"
    & skf21("1","3","1","7","7","5","3","1") = "6"
    & skf21("1","3","1","7","7","5","4","1") = "6"
    & skf21("1","3","1","7","7","5","5","1") = "6"
    & skf21("1","3","1","7","7","5","6","1") = "6"
    & skf21("1","3","1","7","7","5","7","1") = "6"
    & skf21("1","3","1","7","7","6","1","1") = "6"
    & skf21("1","3","1","7","7","6","2","1") = "6"
    & skf21("1","3","1","7","7","6","3","1") = "6"
    & skf21("1","3","1","7","7","6","4","1") = "6"
    & skf21("1","3","1","7","7","6","5","1") = "6"
    & skf21("1","3","1","7","7","6","6","1") = "6"
    & skf21("1","3","1","7","7","6","7","1") = "6"
    & skf21("1","3","1","7","7","7","1","1") = "6"
    & skf21("1","3","1","7","7","7","2","1") = "6"
    & skf21("1","3","1","7","7","7","3","1") = "6"
    & skf21("1","3","1","7","7","7","4","1") = "6"
    & skf21("1","3","1","7","7","7","5","1") = "6"
    & skf21("1","3","1","7","7","7","6","1") = "6"
    & skf21("1","3","1","7","7","7","7","1") = "6"
    & skf21("1","3","2","1","1","1","1","1") = "2"
    & skf21("1","3","2","1","1","1","2","1") = "2"
    & skf21("1","3","2","1","1","1","3","1") = "2"
    & skf21("1","3","2","1","1","1","4","1") = "3"
    & skf21("1","3","2","1","1","1","5","1") = "4"
    & skf21("1","3","2","1","1","1","6","1") = "5"
    & skf21("1","3","2","1","1","1","7","1") = "6"
    & skf21("1","3","2","1","1","2","1","1") = "2"
    & skf21("1","3","2","1","1","2","2","1") = "2"
    & skf21("1","3","2","1","1","2","3","1") = "2"
    & skf21("1","3","2","1","1","2","4","1") = "3"
    & skf21("1","3","2","1","1","2","5","1") = "4"
    & skf21("1","3","2","1","1","2","6","1") = "5"
    & skf21("1","3","2","1","1","2","7","1") = "6"
    & skf21("1","3","2","1","1","3","1","1") = "2"
    & skf21("1","3","2","1","1","3","2","1") = "2"
    & skf21("1","3","2","1","1","3","3","1") = "2"
    & skf21("1","3","2","1","1","3","4","1") = "3"
    & skf21("1","3","2","1","1","3","5","1") = "4"
    & skf21("1","3","2","1","1","3","6","1") = "5"
    & skf21("1","3","2","1","1","3","7","1") = "6"
    & skf21("1","3","2","1","1","4","1","1") = "3"
    & skf21("1","3","2","1","1","4","2","1") = "3"
    & skf21("1","3","2","1","1","4","3","1") = "3"
    & skf21("1","3","2","1","1","4","4","1") = "3"
    & skf21("1","3","2","1","1","4","5","1") = "4"
    & skf21("1","3","2","1","1","4","6","1") = "5"
    & skf21("1","3","2","1","1","4","7","1") = "6"
    & skf21("1","3","2","1","1","5","1","1") = "4"
    & skf21("1","3","2","1","1","5","2","1") = "4"
    & skf21("1","3","2","1","1","5","3","1") = "4"
    & skf21("1","3","2","1","1","5","4","1") = "4"
    & skf21("1","3","2","1","1","5","5","1") = "4"
    & skf21("1","3","2","1","1","5","6","1") = "5"
    & skf21("1","3","2","1","1","5","7","1") = "6"
    & skf21("1","3","2","1","1","6","1","1") = "5"
    & skf21("1","3","2","1","1","6","2","1") = "5"
    & skf21("1","3","2","1","1","6","3","1") = "5"
    & skf21("1","3","2","1","1","6","4","1") = "5"
    & skf21("1","3","2","1","1","6","5","1") = "5"
    & skf21("1","3","2","1","1","6","6","1") = "5"
    & skf21("1","3","2","1","1","6","7","1") = "6"
    & skf21("1","3","2","1","1","7","1","1") = "6"
    & skf21("1","3","2","1","1","7","2","1") = "6"
    & skf21("1","3","2","1","1","7","3","1") = "6"
    & skf21("1","3","2","1","1","7","4","1") = "6"
    & skf21("1","3","2","1","1","7","5","1") = "6"
    & skf21("1","3","2","1","1","7","6","1") = "6"
    & skf21("1","3","2","1","1","7","7","1") = "6"
    & skf21("1","3","2","1","2","1","1","1") = "2"
    & skf21("1","3","2","1","2","1","2","1") = "2"
    & skf21("1","3","2","1","2","1","3","1") = "2"
    & skf21("1","3","2","1","2","1","4","1") = "3"
    & skf21("1","3","2","1","2","1","5","1") = "4"
    & skf21("1","3","2","1","2","1","6","1") = "5"
    & skf21("1","3","2","1","2","1","7","1") = "6"
    & skf21("1","3","2","1","2","2","1","1") = "2"
    & skf21("1","3","2","1","2","2","2","1") = "2"
    & skf21("1","3","2","1","2","2","3","1") = "2"
    & skf21("1","3","2","1","2","2","4","1") = "3"
    & skf21("1","3","2","1","2","2","5","1") = "4"
    & skf21("1","3","2","1","2","2","6","1") = "5"
    & skf21("1","3","2","1","2","2","7","1") = "6"
    & skf21("1","3","2","1","2","3","1","1") = "2"
    & skf21("1","3","2","1","2","3","2","1") = "2"
    & skf21("1","3","2","1","2","3","3","1") = "2"
    & skf21("1","3","2","1","2","3","4","1") = "3"
    & skf21("1","3","2","1","2","3","5","1") = "4"
    & skf21("1","3","2","1","2","3","6","1") = "5"
    & skf21("1","3","2","1","2","3","7","1") = "6"
    & skf21("1","3","2","1","2","4","1","1") = "3"
    & skf21("1","3","2","1","2","4","2","1") = "3"
    & skf21("1","3","2","1","2","4","3","1") = "3"
    & skf21("1","3","2","1","2","4","4","1") = "3"
    & skf21("1","3","2","1","2","4","5","1") = "4"
    & skf21("1","3","2","1","2","4","6","1") = "5"
    & skf21("1","3","2","1","2","4","7","1") = "6"
    & skf21("1","3","2","1","2","5","1","1") = "4"
    & skf21("1","3","2","1","2","5","2","1") = "4"
    & skf21("1","3","2","1","2","5","3","1") = "4"
    & skf21("1","3","2","1","2","5","4","1") = "4"
    & skf21("1","3","2","1","2","5","5","1") = "4"
    & skf21("1","3","2","1","2","5","6","1") = "5"
    & skf21("1","3","2","1","2","5","7","1") = "6"
    & skf21("1","3","2","1","2","6","1","1") = "5"
    & skf21("1","3","2","1","2","6","2","1") = "5"
    & skf21("1","3","2","1","2","6","3","1") = "5"
    & skf21("1","3","2","1","2","6","4","1") = "5"
    & skf21("1","3","2","1","2","6","5","1") = "5"
    & skf21("1","3","2","1","2","6","6","1") = "5"
    & skf21("1","3","2","1","2","6","7","1") = "6"
    & skf21("1","3","2","1","2","7","1","1") = "6"
    & skf21("1","3","2","1","2","7","2","1") = "6"
    & skf21("1","3","2","1","2","7","3","1") = "6"
    & skf21("1","3","2","1","2","7","4","1") = "6"
    & skf21("1","3","2","1","2","7","5","1") = "6"
    & skf21("1","3","2","1","2","7","6","1") = "6"
    & skf21("1","3","2","1","2","7","7","1") = "6"
    & skf21("1","3","2","1","3","1","1","1") = "2"
    & skf21("1","3","2","1","3","1","2","1") = "2"
    & skf21("1","3","2","1","3","1","3","1") = "2"
    & skf21("1","3","2","1","3","1","4","1") = "3"
    & skf21("1","3","2","1","3","1","5","1") = "4"
    & skf21("1","3","2","1","3","1","6","1") = "5"
    & skf21("1","3","2","1","3","1","7","1") = "6"
    & skf21("1","3","2","1","3","2","1","1") = "1"
    & skf21("1","3","2","1","3","2","2","1") = "2"
    & skf21("1","3","2","1","3","2","3","1") = "2"
    & skf21("1","3","2","1","3","2","4","1") = "3"
    & skf21("1","3","2","1","3","2","5","1") = "4"
    & skf21("1","3","2","1","3","2","6","1") = "5"
    & skf21("1","3","2","1","3","2","7","1") = "6"
    & skf21("1","3","2","1","3","3","1","1") = "2"
    & skf21("1","3","2","1","3","3","2","1") = "2"
    & skf21("1","3","2","1","3","3","3","1") = "2"
    & skf21("1","3","2","1","3","3","4","1") = "3"
    & skf21("1","3","2","1","3","3","5","1") = "4"
    & skf21("1","3","2","1","3","3","6","1") = "5"
    & skf21("1","3","2","1","3","3","7","1") = "6"
    & skf21("1","3","2","1","3","4","1","1") = "3"
    & skf21("1","3","2","1","3","4","2","1") = "3"
    & skf21("1","3","2","1","3","4","3","1") = "3"
    & skf21("1","3","2","1","3","4","4","1") = "3"
    & skf21("1","3","2","1","3","4","5","1") = "4"
    & skf21("1","3","2","1","3","4","6","1") = "5"
    & skf21("1","3","2","1","3","4","7","1") = "6"
    & skf21("1","3","2","1","3","5","1","1") = "4"
    & skf21("1","3","2","1","3","5","2","1") = "4"
    & skf21("1","3","2","1","3","5","3","1") = "4"
    & skf21("1","3","2","1","3","5","4","1") = "4"
    & skf21("1","3","2","1","3","5","5","1") = "4"
    & skf21("1","3","2","1","3","5","6","1") = "5"
    & skf21("1","3","2","1","3","5","7","1") = "6"
    & skf21("1","3","2","1","3","6","1","1") = "5"
    & skf21("1","3","2","1","3","6","2","1") = "5"
    & skf21("1","3","2","1","3","6","3","1") = "5"
    & skf21("1","3","2","1","3","6","4","1") = "5"
    & skf21("1","3","2","1","3","6","5","1") = "5"
    & skf21("1","3","2","1","3","6","6","1") = "5"
    & skf21("1","3","2","1","3","6","7","1") = "6"
    & skf21("1","3","2","1","3","7","1","1") = "6"
    & skf21("1","3","2","1","3","7","2","1") = "6"
    & skf21("1","3","2","1","3","7","3","1") = "6"
    & skf21("1","3","2","1","3","7","4","1") = "6"
    & skf21("1","3","2","1","3","7","5","1") = "6"
    & skf21("1","3","2","1","3","7","6","1") = "6"
    & skf21("1","3","2","1","3","7","7","1") = "6"
    & skf21("1","3","2","1","4","1","1","1") = "3"
    & skf21("1","3","2","1","4","1","2","1") = "3"
    & skf21("1","3","2","1","4","1","3","1") = "3"
    & skf21("1","3","2","1","4","1","4","1") = "3"
    & skf21("1","3","2","1","4","1","5","1") = "4"
    & skf21("1","3","2","1","4","1","6","1") = "5"
    & skf21("1","3","2","1","4","1","7","1") = "6"
    & skf21("1","3","2","1","4","2","1","1") = "3"
    & skf21("1","3","2","1","4","2","2","1") = "3"
    & skf21("1","3","2","1","4","2","3","1") = "3"
    & skf21("1","3","2","1","4","2","4","1") = "3"
    & skf21("1","3","2","1","4","2","5","1") = "4"
    & skf21("1","3","2","1","4","2","6","1") = "5"
    & skf21("1","3","2","1","4","2","7","1") = "6"
    & skf21("1","3","2","1","4","3","1","1") = "3"
    & skf21("1","3","2","1","4","3","2","1") = "3"
    & skf21("1","3","2","1","4","3","3","1") = "3"
    & skf21("1","3","2","1","4","3","4","1") = "3"
    & skf21("1","3","2","1","4","3","5","1") = "4"
    & skf21("1","3","2","1","4","3","6","1") = "5"
    & skf21("1","3","2","1","4","3","7","1") = "6"
    & skf21("1","3","2","1","4","4","1","1") = "3"
    & skf21("1","3","2","1","4","4","2","1") = "3"
    & skf21("1","3","2","1","4","4","3","1") = "3"
    & skf21("1","3","2","1","4","4","4","1") = "3"
    & skf21("1","3","2","1","4","4","5","1") = "4"
    & skf21("1","3","2","1","4","4","6","1") = "5"
    & skf21("1","3","2","1","4","4","7","1") = "6"
    & skf21("1","3","2","1","4","5","1","1") = "4"
    & skf21("1","3","2","1","4","5","2","1") = "4"
    & skf21("1","3","2","1","4","5","3","1") = "4"
    & skf21("1","3","2","1","4","5","4","1") = "4"
    & skf21("1","3","2","1","4","5","5","1") = "4"
    & skf21("1","3","2","1","4","5","6","1") = "5"
    & skf21("1","3","2","1","4","5","7","1") = "6"
    & skf21("1","3","2","1","4","6","1","1") = "5"
    & skf21("1","3","2","1","4","6","2","1") = "5"
    & skf21("1","3","2","1","4","6","3","1") = "5"
    & skf21("1","3","2","1","4","6","4","1") = "5"
    & skf21("1","3","2","1","4","6","5","1") = "5"
    & skf21("1","3","2","1","4","6","6","1") = "5"
    & skf21("1","3","2","1","4","6","7","1") = "6"
    & skf21("1","3","2","1","4","7","1","1") = "6"
    & skf21("1","3","2","1","4","7","2","1") = "6"
    & skf21("1","3","2","1","4","7","3","1") = "6"
    & skf21("1","3","2","1","4","7","4","1") = "6"
    & skf21("1","3","2","1","4","7","5","1") = "6"
    & skf21("1","3","2","1","4","7","6","1") = "6"
    & skf21("1","3","2","1","4","7","7","1") = "6"
    & skf21("1","3","2","1","5","1","1","1") = "4"
    & skf21("1","3","2","1","5","1","2","1") = "4"
    & skf21("1","3","2","1","5","1","3","1") = "4"
    & skf21("1","3","2","1","5","1","4","1") = "4"
    & skf21("1","3","2","1","5","1","5","1") = "4"
    & skf21("1","3","2","1","5","1","6","1") = "5"
    & skf21("1","3","2","1","5","1","7","1") = "6"
    & skf21("1","3","2","1","5","2","1","1") = "4"
    & skf21("1","3","2","1","5","2","2","1") = "4"
    & skf21("1","3","2","1","5","2","3","1") = "4"
    & skf21("1","3","2","1","5","2","4","1") = "4"
    & skf21("1","3","2","1","5","2","5","1") = "4"
    & skf21("1","3","2","1","5","2","6","1") = "5"
    & skf21("1","3","2","1","5","2","7","1") = "6"
    & skf21("1","3","2","1","5","3","1","1") = "4"
    & skf21("1","3","2","1","5","3","2","1") = "4"
    & skf21("1","3","2","1","5","3","3","1") = "4"
    & skf21("1","3","2","1","5","3","4","1") = "4"
    & skf21("1","3","2","1","5","3","5","1") = "4"
    & skf21("1","3","2","1","5","3","6","1") = "5"
    & skf21("1","3","2","1","5","3","7","1") = "6"
    & skf21("1","3","2","1","5","4","1","1") = "4"
    & skf21("1","3","2","1","5","4","2","1") = "4"
    & skf21("1","3","2","1","5","4","3","1") = "4"
    & skf21("1","3","2","1","5","4","4","1") = "4"
    & skf21("1","3","2","1","5","4","5","1") = "4"
    & skf21("1","3","2","1","5","4","6","1") = "5"
    & skf21("1","3","2","1","5","4","7","1") = "6"
    & skf21("1","3","2","1","5","5","1","1") = "4"
    & skf21("1","3","2","1","5","5","2","1") = "4"
    & skf21("1","3","2","1","5","5","3","1") = "4"
    & skf21("1","3","2","1","5","5","4","1") = "4"
    & skf21("1","3","2","1","5","5","5","1") = "4"
    & skf21("1","3","2","1","5","5","6","1") = "5"
    & skf21("1","3","2","1","5","5","7","1") = "6"
    & skf21("1","3","2","1","5","6","1","1") = "5"
    & skf21("1","3","2","1","5","6","2","1") = "5"
    & skf21("1","3","2","1","5","6","3","1") = "5"
    & skf21("1","3","2","1","5","6","4","1") = "5"
    & skf21("1","3","2","1","5","6","5","1") = "5"
    & skf21("1","3","2","1","5","6","6","1") = "5"
    & skf21("1","3","2","1","5","6","7","1") = "6"
    & skf21("1","3","2","1","5","7","1","1") = "6"
    & skf21("1","3","2","1","5","7","2","1") = "6"
    & skf21("1","3","2","1","5","7","3","1") = "6"
    & skf21("1","3","2","1","5","7","4","1") = "6"
    & skf21("1","3","2","1","5","7","5","1") = "6"
    & skf21("1","3","2","1","5","7","6","1") = "6"
    & skf21("1","3","2","1","5","7","7","1") = "6"
    & skf21("1","3","2","1","6","1","1","1") = "5"
    & skf21("1","3","2","1","6","1","2","1") = "5"
    & skf21("1","3","2","1","6","1","3","1") = "5"
    & skf21("1","3","2","1","6","1","4","1") = "5"
    & skf21("1","3","2","1","6","1","5","1") = "5"
    & skf21("1","3","2","1","6","1","6","1") = "5"
    & skf21("1","3","2","1","6","1","7","1") = "6"
    & skf21("1","3","2","1","6","2","1","1") = "5"
    & skf21("1","3","2","1","6","2","2","1") = "5"
    & skf21("1","3","2","1","6","2","3","1") = "5"
    & skf21("1","3","2","1","6","2","4","1") = "5"
    & skf21("1","3","2","1","6","2","5","1") = "5"
    & skf21("1","3","2","1","6","2","6","1") = "5"
    & skf21("1","3","2","1","6","2","7","1") = "6"
    & skf21("1","3","2","1","6","3","1","1") = "5"
    & skf21("1","3","2","1","6","3","2","1") = "5"
    & skf21("1","3","2","1","6","3","3","1") = "5"
    & skf21("1","3","2","1","6","3","4","1") = "5"
    & skf21("1","3","2","1","6","3","5","1") = "5"
    & skf21("1","3","2","1","6","3","6","1") = "5"
    & skf21("1","3","2","1","6","3","7","1") = "6"
    & skf21("1","3","2","1","6","4","1","1") = "5"
    & skf21("1","3","2","1","6","4","2","1") = "5"
    & skf21("1","3","2","1","6","4","3","1") = "5"
    & skf21("1","3","2","1","6","4","4","1") = "5"
    & skf21("1","3","2","1","6","4","5","1") = "5"
    & skf21("1","3","2","1","6","4","6","1") = "5"
    & skf21("1","3","2","1","6","4","7","1") = "6"
    & skf21("1","3","2","1","6","5","1","1") = "5"
    & skf21("1","3","2","1","6","5","2","1") = "5"
    & skf21("1","3","2","1","6","5","3","1") = "5"
    & skf21("1","3","2","1","6","5","4","1") = "5"
    & skf21("1","3","2","1","6","5","5","1") = "5"
    & skf21("1","3","2","1","6","5","6","1") = "5"
    & skf21("1","3","2","1","6","5","7","1") = "6"
    & skf21("1","3","2","1","6","6","1","1") = "5"
    & skf21("1","3","2","1","6","6","2","1") = "5"
    & skf21("1","3","2","1","6","6","3","1") = "5"
    & skf21("1","3","2","1","6","6","4","1") = "5"
    & skf21("1","3","2","1","6","6","5","1") = "5"
    & skf21("1","3","2","1","6","6","6","1") = "5"
    & skf21("1","3","2","1","6","6","7","1") = "6"
    & skf21("1","3","2","1","6","7","1","1") = "6"
    & skf21("1","3","2","1","6","7","2","1") = "6"
    & skf21("1","3","2","1","6","7","3","1") = "6"
    & skf21("1","3","2","1","6","7","4","1") = "6"
    & skf21("1","3","2","1","6","7","5","1") = "6"
    & skf21("1","3","2","1","6","7","6","1") = "6"
    & skf21("1","3","2","1","6","7","7","1") = "6"
    & skf21("1","3","2","1","7","1","1","1") = "6"
    & skf21("1","3","2","1","7","1","2","1") = "6"
    & skf21("1","3","2","1","7","1","3","1") = "6"
    & skf21("1","3","2","1","7","1","4","1") = "6"
    & skf21("1","3","2","1","7","1","5","1") = "6"
    & skf21("1","3","2","1","7","1","6","1") = "6"
    & skf21("1","3","2","1","7","1","7","1") = "6"
    & skf21("1","3","2","1","7","2","1","1") = "6"
    & skf21("1","3","2","1","7","2","2","1") = "6"
    & skf21("1","3","2","1","7","2","3","1") = "6"
    & skf21("1","3","2","1","7","2","4","1") = "6"
    & skf21("1","3","2","1","7","2","5","1") = "6"
    & skf21("1","3","2","1","7","2","6","1") = "6"
    & skf21("1","3","2","1","7","2","7","1") = "6"
    & skf21("1","3","2","1","7","3","1","1") = "6"
    & skf21("1","3","2","1","7","3","2","1") = "6"
    & skf21("1","3","2","1","7","3","3","1") = "6"
    & skf21("1","3","2","1","7","3","4","1") = "6"
    & skf21("1","3","2","1","7","3","5","1") = "6"
    & skf21("1","3","2","1","7","3","6","1") = "6"
    & skf21("1","3","2","1","7","3","7","1") = "6"
    & skf21("1","3","2","1","7","4","1","1") = "6"
    & skf21("1","3","2","1","7","4","2","1") = "6"
    & skf21("1","3","2","1","7","4","3","1") = "6"
    & skf21("1","3","2","1","7","4","4","1") = "6"
    & skf21("1","3","2","1","7","4","5","1") = "6"
    & skf21("1","3","2","1","7","4","6","1") = "6"
    & skf21("1","3","2","1","7","4","7","1") = "6"
    & skf21("1","3","2","1","7","5","1","1") = "6"
    & skf21("1","3","2","1","7","5","2","1") = "6"
    & skf21("1","3","2","1","7","5","3","1") = "6"
    & skf21("1","3","2","1","7","5","4","1") = "6"
    & skf21("1","3","2","1","7","5","5","1") = "6"
    & skf21("1","3","2","1","7","5","6","1") = "6"
    & skf21("1","3","2","1","7","5","7","1") = "6"
    & skf21("1","3","2","1","7","6","1","1") = "6"
    & skf21("1","3","2","1","7","6","2","1") = "6"
    & skf21("1","3","2","1","7","6","3","1") = "6"
    & skf21("1","3","2","1","7","6","4","1") = "6"
    & skf21("1","3","2","1","7","6","5","1") = "6"
    & skf21("1","3","2","1","7","6","6","1") = "6"
    & skf21("1","3","2","1","7","6","7","1") = "6"
    & skf21("1","3","2","1","7","7","1","1") = "6"
    & skf21("1","3","2","1","7","7","2","1") = "6"
    & skf21("1","3","2","1","7","7","3","1") = "6"
    & skf21("1","3","2","1","7","7","4","1") = "6"
    & skf21("1","3","2","1","7","7","5","1") = "6"
    & skf21("1","3","2","1","7","7","6","1") = "6"
    & skf21("1","3","2","1","7","7","7","1") = "6"
    & skf21("1","3","2","2","1","1","1","1") = "2"
    & skf21("1","3","2","2","1","1","2","1") = "2"
    & skf21("1","3","2","2","1","1","3","1") = "2"
    & skf21("1","3","2","2","1","1","4","1") = "3"
    & skf21("1","3","2","2","1","1","5","1") = "4"
    & skf21("1","3","2","2","1","1","6","1") = "5"
    & skf21("1","3","2","2","1","1","7","1") = "6"
    & skf21("1","3","2","2","1","2","1","1") = "2"
    & skf21("1","3","2","2","1","2","2","1") = "2"
    & skf21("1","3","2","2","1","2","3","1") = "2"
    & skf21("1","3","2","2","1","2","4","1") = "3"
    & skf21("1","3","2","2","1","2","5","1") = "4"
    & skf21("1","3","2","2","1","2","6","1") = "5"
    & skf21("1","3","2","2","1","2","7","1") = "6"
    & skf21("1","3","2","2","1","3","1","1") = "2"
    & skf21("1","3","2","2","1","3","2","1") = "2"
    & skf21("1","3","2","2","1","3","3","1") = "2"
    & skf21("1","3","2","2","1","3","4","1") = "3"
    & skf21("1","3","2","2","1","3","5","1") = "4"
    & skf21("1","3","2","2","1","3","6","1") = "5"
    & skf21("1","3","2","2","1","3","7","1") = "6"
    & skf21("1","3","2","2","1","4","1","1") = "3"
    & skf21("1","3","2","2","1","4","2","1") = "3"
    & skf21("1","3","2","2","1","4","3","1") = "3"
    & skf21("1","3","2","2","1","4","4","1") = "3"
    & skf21("1","3","2","2","1","4","5","1") = "4"
    & skf21("1","3","2","2","1","4","6","1") = "5"
    & skf21("1","3","2","2","1","4","7","1") = "6"
    & skf21("1","3","2","2","1","5","1","1") = "4"
    & skf21("1","3","2","2","1","5","2","1") = "4"
    & skf21("1","3","2","2","1","5","3","1") = "4"
    & skf21("1","3","2","2","1","5","4","1") = "4"
    & skf21("1","3","2","2","1","5","5","1") = "4"
    & skf21("1","3","2","2","1","5","6","1") = "5"
    & skf21("1","3","2","2","1","5","7","1") = "6"
    & skf21("1","3","2","2","1","6","1","1") = "5"
    & skf21("1","3","2","2","1","6","2","1") = "5"
    & skf21("1","3","2","2","1","6","3","1") = "5"
    & skf21("1","3","2","2","1","6","4","1") = "5"
    & skf21("1","3","2","2","1","6","5","1") = "5"
    & skf21("1","3","2","2","1","6","6","1") = "5"
    & skf21("1","3","2","2","1","6","7","1") = "6"
    & skf21("1","3","2","2","1","7","1","1") = "6"
    & skf21("1","3","2","2","1","7","2","1") = "6"
    & skf21("1","3","2","2","1","7","3","1") = "6"
    & skf21("1","3","2","2","1","7","4","1") = "6"
    & skf21("1","3","2","2","1","7","5","1") = "6"
    & skf21("1","3","2","2","1","7","6","1") = "6"
    & skf21("1","3","2","2","1","7","7","1") = "6"
    & skf21("1","3","2","2","2","1","1","1") = "2"
    & skf21("1","3","2","2","2","1","2","1") = "2"
    & skf21("1","3","2","2","2","1","3","1") = "2"
    & skf21("1","3","2","2","2","1","4","1") = "3"
    & skf21("1","3","2","2","2","1","5","1") = "4"
    & skf21("1","3","2","2","2","1","6","1") = "5"
    & skf21("1","3","2","2","2","1","7","1") = "6"
    & skf21("1","3","2","2","2","2","1","1") = "2"
    & skf21("1","3","2","2","2","2","2","1") = "2"
    & skf21("1","3","2","2","2","2","3","1") = "2"
    & skf21("1","3","2","2","2","2","4","1") = "3"
    & skf21("1","3","2","2","2","2","5","1") = "4"
    & skf21("1","3","2","2","2","2","6","1") = "5"
    & skf21("1","3","2","2","2","2","7","1") = "6"
    & skf21("1","3","2","2","2","3","1","1") = "2"
    & skf21("1","3","2","2","2","3","2","1") = "2"
    & skf21("1","3","2","2","2","3","3","1") = "2"
    & skf21("1","3","2","2","2","3","4","1") = "3"
    & skf21("1","3","2","2","2","3","5","1") = "4"
    & skf21("1","3","2","2","2","3","6","1") = "5"
    & skf21("1","3","2","2","2","3","7","1") = "6"
    & skf21("1","3","2","2","2","4","1","1") = "3"
    & skf21("1","3","2","2","2","4","2","1") = "3"
    & skf21("1","3","2","2","2","4","3","1") = "3"
    & skf21("1","3","2","2","2","4","4","1") = "3"
    & skf21("1","3","2","2","2","4","5","1") = "4"
    & skf21("1","3","2","2","2","4","6","1") = "5"
    & skf21("1","3","2","2","2","4","7","1") = "6"
    & skf21("1","3","2","2","2","5","1","1") = "4"
    & skf21("1","3","2","2","2","5","2","1") = "4"
    & skf21("1","3","2","2","2","5","3","1") = "4"
    & skf21("1","3","2","2","2","5","4","1") = "4"
    & skf21("1","3","2","2","2","5","5","1") = "4"
    & skf21("1","3","2","2","2","5","6","1") = "5"
    & skf21("1","3","2","2","2","5","7","1") = "6"
    & skf21("1","3","2","2","2","6","1","1") = "5"
    & skf21("1","3","2","2","2","6","2","1") = "5"
    & skf21("1","3","2","2","2","6","3","1") = "5"
    & skf21("1","3","2","2","2","6","4","1") = "5"
    & skf21("1","3","2","2","2","6","5","1") = "5"
    & skf21("1","3","2","2","2","6","6","1") = "5"
    & skf21("1","3","2","2","2","6","7","1") = "6"
    & skf21("1","3","2","2","2","7","1","1") = "6"
    & skf21("1","3","2","2","2","7","2","1") = "6"
    & skf21("1","3","2","2","2","7","3","1") = "6"
    & skf21("1","3","2","2","2","7","4","1") = "6"
    & skf21("1","3","2","2","2","7","5","1") = "6"
    & skf21("1","3","2","2","2","7","6","1") = "6"
    & skf21("1","3","2","2","2","7","7","1") = "6"
    & skf21("1","3","2","2","3","1","1","1") = "2"
    & skf21("1","3","2","2","3","1","2","1") = "2"
    & skf21("1","3","2","2","3","1","3","1") = "2"
    & skf21("1","3","2","2","3","1","4","1") = "3"
    & skf21("1","3","2","2","3","1","5","1") = "4"
    & skf21("1","3","2","2","3","1","6","1") = "5"
    & skf21("1","3","2","2","3","1","7","1") = "6"
    & skf21("1","3","2","2","3","2","1","1") = "2"
    & skf21("1","3","2","2","3","2","2","1") = "2"
    & skf21("1","3","2","2","3","2","3","1") = "1"
    & skf21("1","3","2","2","3","2","4","1") = "3"
    & skf21("1","3","2","2","3","2","5","1") = "4"
    & skf21("1","3","2","2","3","2","6","1") = "5"
    & skf21("1","3","2","2","3","2","7","1") = "6"
    & skf21("1","3","2","2","3","3","1","1") = "2"
    & skf21("1","3","2","2","3","3","2","1") = "2"
    & skf21("1","3","2","2","3","3","3","1") = "2"
    & skf21("1","3","2","2","3","3","4","1") = "3"
    & skf21("1","3","2","2","3","3","5","1") = "4"
    & skf21("1","3","2","2","3","3","6","1") = "5"
    & skf21("1","3","2","2","3","3","7","1") = "6"
    & skf21("1","3","2","2","3","4","1","1") = "3"
    & skf21("1","3","2","2","3","4","2","1") = "3"
    & skf21("1","3","2","2","3","4","3","1") = "3"
    & skf21("1","3","2","2","3","4","4","1") = "3"
    & skf21("1","3","2","2","3","4","5","1") = "4"
    & skf21("1","3","2","2","3","4","6","1") = "5"
    & skf21("1","3","2","2","3","4","7","1") = "6"
    & skf21("1","3","2","2","3","5","1","1") = "4"
    & skf21("1","3","2","2","3","5","2","1") = "4"
    & skf21("1","3","2","2","3","5","3","1") = "4"
    & skf21("1","3","2","2","3","5","4","1") = "4"
    & skf21("1","3","2","2","3","5","5","1") = "4"
    & skf21("1","3","2","2","3","5","6","1") = "5"
    & skf21("1","3","2","2","3","5","7","1") = "6"
    & skf21("1","3","2","2","3","6","1","1") = "5"
    & skf21("1","3","2","2","3","6","2","1") = "5"
    & skf21("1","3","2","2","3","6","3","1") = "5"
    & skf21("1","3","2","2","3","6","4","1") = "5"
    & skf21("1","3","2","2","3","6","5","1") = "5"
    & skf21("1","3","2","2","3","6","6","1") = "5"
    & skf21("1","3","2","2","3","6","7","1") = "6"
    & skf21("1","3","2","2","3","7","1","1") = "6"
    & skf21("1","3","2","2","3","7","2","1") = "6"
    & skf21("1","3","2","2","3","7","3","1") = "6"
    & skf21("1","3","2","2","3","7","4","1") = "6"
    & skf21("1","3","2","2","3","7","5","1") = "6"
    & skf21("1","3","2","2","3","7","6","1") = "6"
    & skf21("1","3","2","2","3","7","7","1") = "6"
    & skf21("1","3","2","2","4","1","1","1") = "3"
    & skf21("1","3","2","2","4","1","2","1") = "3"
    & skf21("1","3","2","2","4","1","3","1") = "3"
    & skf21("1","3","2","2","4","1","4","1") = "3"
    & skf21("1","3","2","2","4","1","5","1") = "4"
    & skf21("1","3","2","2","4","1","6","1") = "5"
    & skf21("1","3","2","2","4","1","7","1") = "6"
    & skf21("1","3","2","2","4","2","1","1") = "3"
    & skf21("1","3","2","2","4","2","2","1") = "3"
    & skf21("1","3","2","2","4","2","3","1") = "3"
    & skf21("1","3","2","2","4","2","4","1") = "3"
    & skf21("1","3","2","2","4","2","5","1") = "4"
    & skf21("1","3","2","2","4","2","6","1") = "5"
    & skf21("1","3","2","2","4","2","7","1") = "6"
    & skf21("1","3","2","2","4","3","1","1") = "3"
    & skf21("1","3","2","2","4","3","2","1") = "3"
    & skf21("1","3","2","2","4","3","3","1") = "3"
    & skf21("1","3","2","2","4","3","4","1") = "3"
    & skf21("1","3","2","2","4","3","5","1") = "4"
    & skf21("1","3","2","2","4","3","6","1") = "5"
    & skf21("1","3","2","2","4","3","7","1") = "6"
    & skf21("1","3","2","2","4","4","1","1") = "3"
    & skf21("1","3","2","2","4","4","2","1") = "3"
    & skf21("1","3","2","2","4","4","3","1") = "3"
    & skf21("1","3","2","2","4","4","4","1") = "3"
    & skf21("1","3","2","2","4","4","5","1") = "4"
    & skf21("1","3","2","2","4","4","6","1") = "5"
    & skf21("1","3","2","2","4","4","7","1") = "6"
    & skf21("1","3","2","2","4","5","1","1") = "4"
    & skf21("1","3","2","2","4","5","2","1") = "4"
    & skf21("1","3","2","2","4","5","3","1") = "4"
    & skf21("1","3","2","2","4","5","4","1") = "4"
    & skf21("1","3","2","2","4","5","5","1") = "4"
    & skf21("1","3","2","2","4","5","6","1") = "5"
    & skf21("1","3","2","2","4","5","7","1") = "6"
    & skf21("1","3","2","2","4","6","1","1") = "5"
    & skf21("1","3","2","2","4","6","2","1") = "5"
    & skf21("1","3","2","2","4","6","3","1") = "5"
    & skf21("1","3","2","2","4","6","4","1") = "5"
    & skf21("1","3","2","2","4","6","5","1") = "5"
    & skf21("1","3","2","2","4","6","6","1") = "5"
    & skf21("1","3","2","2","4","6","7","1") = "6"
    & skf21("1","3","2","2","4","7","1","1") = "6"
    & skf21("1","3","2","2","4","7","2","1") = "6"
    & skf21("1","3","2","2","4","7","3","1") = "6"
    & skf21("1","3","2","2","4","7","4","1") = "6"
    & skf21("1","3","2","2","4","7","5","1") = "6"
    & skf21("1","3","2","2","4","7","6","1") = "6"
    & skf21("1","3","2","2","4","7","7","1") = "6"
    & skf21("1","3","2","2","5","1","1","1") = "4"
    & skf21("1","3","2","2","5","1","2","1") = "4"
    & skf21("1","3","2","2","5","1","3","1") = "4"
    & skf21("1","3","2","2","5","1","4","1") = "4"
    & skf21("1","3","2","2","5","1","5","1") = "4"
    & skf21("1","3","2","2","5","1","6","1") = "5"
    & skf21("1","3","2","2","5","1","7","1") = "6"
    & skf21("1","3","2","2","5","2","1","1") = "4"
    & skf21("1","3","2","2","5","2","2","1") = "4"
    & skf21("1","3","2","2","5","2","3","1") = "4"
    & skf21("1","3","2","2","5","2","4","1") = "4"
    & skf21("1","3","2","2","5","2","5","1") = "4"
    & skf21("1","3","2","2","5","2","6","1") = "5"
    & skf21("1","3","2","2","5","2","7","1") = "6"
    & skf21("1","3","2","2","5","3","1","1") = "4"
    & skf21("1","3","2","2","5","3","2","1") = "4"
    & skf21("1","3","2","2","5","3","3","1") = "4"
    & skf21("1","3","2","2","5","3","4","1") = "4"
    & skf21("1","3","2","2","5","3","5","1") = "4"
    & skf21("1","3","2","2","5","3","6","1") = "5"
    & skf21("1","3","2","2","5","3","7","1") = "6"
    & skf21("1","3","2","2","5","4","1","1") = "4"
    & skf21("1","3","2","2","5","4","2","1") = "4"
    & skf21("1","3","2","2","5","4","3","1") = "4"
    & skf21("1","3","2","2","5","4","4","1") = "4"
    & skf21("1","3","2","2","5","4","5","1") = "4"
    & skf21("1","3","2","2","5","4","6","1") = "5"
    & skf21("1","3","2","2","5","4","7","1") = "6"
    & skf21("1","3","2","2","5","5","1","1") = "4"
    & skf21("1","3","2","2","5","5","2","1") = "4"
    & skf21("1","3","2","2","5","5","3","1") = "4"
    & skf21("1","3","2","2","5","5","4","1") = "4"
    & skf21("1","3","2","2","5","5","5","1") = "4"
    & skf21("1","3","2","2","5","5","6","1") = "5"
    & skf21("1","3","2","2","5","5","7","1") = "6"
    & skf21("1","3","2","2","5","6","1","1") = "5"
    & skf21("1","3","2","2","5","6","2","1") = "5"
    & skf21("1","3","2","2","5","6","3","1") = "5"
    & skf21("1","3","2","2","5","6","4","1") = "5"
    & skf21("1","3","2","2","5","6","5","1") = "5"
    & skf21("1","3","2","2","5","6","6","1") = "5"
    & skf21("1","3","2","2","5","6","7","1") = "6"
    & skf21("1","3","2","2","5","7","1","1") = "6"
    & skf21("1","3","2","2","5","7","2","1") = "6"
    & skf21("1","3","2","2","5","7","3","1") = "6"
    & skf21("1","3","2","2","5","7","4","1") = "6"
    & skf21("1","3","2","2","5","7","5","1") = "6"
    & skf21("1","3","2","2","5","7","6","1") = "6"
    & skf21("1","3","2","2","5","7","7","1") = "6"
    & skf21("1","3","2","2","6","1","1","1") = "5"
    & skf21("1","3","2","2","6","1","2","1") = "5"
    & skf21("1","3","2","2","6","1","3","1") = "5"
    & skf21("1","3","2","2","6","1","4","1") = "5"
    & skf21("1","3","2","2","6","1","5","1") = "5"
    & skf21("1","3","2","2","6","1","6","1") = "5"
    & skf21("1","3","2","2","6","1","7","1") = "6"
    & skf21("1","3","2","2","6","2","1","1") = "5"
    & skf21("1","3","2","2","6","2","2","1") = "5"
    & skf21("1","3","2","2","6","2","3","1") = "5"
    & skf21("1","3","2","2","6","2","4","1") = "5"
    & skf21("1","3","2","2","6","2","5","1") = "5"
    & skf21("1","3","2","2","6","2","6","1") = "5"
    & skf21("1","3","2","2","6","2","7","1") = "6"
    & skf21("1","3","2","2","6","3","1","1") = "5"
    & skf21("1","3","2","2","6","3","2","1") = "5"
    & skf21("1","3","2","2","6","3","3","1") = "5"
    & skf21("1","3","2","2","6","3","4","1") = "5"
    & skf21("1","3","2","2","6","3","5","1") = "5"
    & skf21("1","3","2","2","6","3","6","1") = "5"
    & skf21("1","3","2","2","6","3","7","1") = "6"
    & skf21("1","3","2","2","6","4","1","1") = "5"
    & skf21("1","3","2","2","6","4","2","1") = "5"
    & skf21("1","3","2","2","6","4","3","1") = "5"
    & skf21("1","3","2","2","6","4","4","1") = "5"
    & skf21("1","3","2","2","6","4","5","1") = "5"
    & skf21("1","3","2","2","6","4","6","1") = "5"
    & skf21("1","3","2","2","6","4","7","1") = "6"
    & skf21("1","3","2","2","6","5","1","1") = "5"
    & skf21("1","3","2","2","6","5","2","1") = "5"
    & skf21("1","3","2","2","6","5","3","1") = "5"
    & skf21("1","3","2","2","6","5","4","1") = "5"
    & skf21("1","3","2","2","6","5","5","1") = "5"
    & skf21("1","3","2","2","6","5","6","1") = "5"
    & skf21("1","3","2","2","6","5","7","1") = "6"
    & skf21("1","3","2","2","6","6","1","1") = "5"
    & skf21("1","3","2","2","6","6","2","1") = "5"
    & skf21("1","3","2","2","6","6","3","1") = "5"
    & skf21("1","3","2","2","6","6","4","1") = "5"
    & skf21("1","3","2","2","6","6","5","1") = "5"
    & skf21("1","3","2","2","6","6","6","1") = "5"
    & skf21("1","3","2","2","6","6","7","1") = "6"
    & skf21("1","3","2","2","6","7","1","1") = "6"
    & skf21("1","3","2","2","6","7","2","1") = "6"
    & skf21("1","3","2","2","6","7","3","1") = "6"
    & skf21("1","3","2","2","6","7","4","1") = "6"
    & skf21("1","3","2","2","6","7","5","1") = "6"
    & skf21("1","3","2","2","6","7","6","1") = "6"
    & skf21("1","3","2","2","6","7","7","1") = "6"
    & skf21("1","3","2","2","7","1","1","1") = "6"
    & skf21("1","3","2","2","7","1","2","1") = "6"
    & skf21("1","3","2","2","7","1","3","1") = "6"
    & skf21("1","3","2","2","7","1","4","1") = "6"
    & skf21("1","3","2","2","7","1","5","1") = "6"
    & skf21("1","3","2","2","7","1","6","1") = "6"
    & skf21("1","3","2","2","7","1","7","1") = "6"
    & skf21("1","3","2","2","7","2","1","1") = "6"
    & skf21("1","3","2","2","7","2","2","1") = "6"
    & skf21("1","3","2","2","7","2","3","1") = "6"
    & skf21("1","3","2","2","7","2","4","1") = "6"
    & skf21("1","3","2","2","7","2","5","1") = "6"
    & skf21("1","3","2","2","7","2","6","1") = "6"
    & skf21("1","3","2","2","7","2","7","1") = "6"
    & skf21("1","3","2","2","7","3","1","1") = "6"
    & skf21("1","3","2","2","7","3","2","1") = "6"
    & skf21("1","3","2","2","7","3","3","1") = "6"
    & skf21("1","3","2","2","7","3","4","1") = "6"
    & skf21("1","3","2","2","7","3","5","1") = "6"
    & skf21("1","3","2","2","7","3","6","1") = "6"
    & skf21("1","3","2","2","7","3","7","1") = "6"
    & skf21("1","3","2","2","7","4","1","1") = "6"
    & skf21("1","3","2","2","7","4","2","1") = "6"
    & skf21("1","3","2","2","7","4","3","1") = "6"
    & skf21("1","3","2","2","7","4","4","1") = "6"
    & skf21("1","3","2","2","7","4","5","1") = "6"
    & skf21("1","3","2","2","7","4","6","1") = "6"
    & skf21("1","3","2","2","7","4","7","1") = "6"
    & skf21("1","3","2","2","7","5","1","1") = "6"
    & skf21("1","3","2","2","7","5","2","1") = "6"
    & skf21("1","3","2","2","7","5","3","1") = "6"
    & skf21("1","3","2","2","7","5","4","1") = "6"
    & skf21("1","3","2","2","7","5","5","1") = "6"
    & skf21("1","3","2","2","7","5","6","1") = "6"
    & skf21("1","3","2","2","7","5","7","1") = "6"
    & skf21("1","3","2","2","7","6","1","1") = "6"
    & skf21("1","3","2","2","7","6","2","1") = "6"
    & skf21("1","3","2","2","7","6","3","1") = "6"
    & skf21("1","3","2","2","7","6","4","1") = "6"
    & skf21("1","3","2","2","7","6","5","1") = "6"
    & skf21("1","3","2","2","7","6","6","1") = "6"
    & skf21("1","3","2","2","7","6","7","1") = "6"
    & skf21("1","3","2","2","7","7","1","1") = "6"
    & skf21("1","3","2","2","7","7","2","1") = "6"
    & skf21("1","3","2","2","7","7","3","1") = "6"
    & skf21("1","3","2","2","7","7","4","1") = "6"
    & skf21("1","3","2","2","7","7","5","1") = "6"
    & skf21("1","3","2","2","7","7","6","1") = "6"
    & skf21("1","3","2","2","7","7","7","1") = "6"
    & skf21("1","3","2","3","1","1","1","1") = "2"
    & skf21("1","3","2","3","1","1","2","1") = "2"
    & skf21("1","3","2","3","1","1","3","1") = "2"
    & skf21("1","3","2","3","1","1","4","1") = "3"
    & skf21("1","3","2","3","1","1","5","1") = "4"
    & skf21("1","3","2","3","1","1","6","1") = "5"
    & skf21("1","3","2","3","1","1","7","1") = "6"
    & skf21("1","3","2","3","1","2","1","1") = "2"
    & skf21("1","3","2","3","1","2","2","1") = "2"
    & skf21("1","3","2","3","1","2","3","1") = "2"
    & skf21("1","3","2","3","1","2","4","1") = "3"
    & skf21("1","3","2","3","1","2","5","1") = "4"
    & skf21("1","3","2","3","1","2","6","1") = "5"
    & skf21("1","3","2","3","1","2","7","1") = "6"
    & skf21("1","3","2","3","1","3","1","1") = "2"
    & skf21("1","3","2","3","1","3","2","1") = "2"
    & skf21("1","3","2","3","1","3","3","1") = "2"
    & skf21("1","3","2","3","1","3","4","1") = "3"
    & skf21("1","3","2","3","1","3","5","1") = "4"
    & skf21("1","3","2","3","1","3","6","1") = "5"
    & skf21("1","3","2","3","1","3","7","1") = "6"
    & skf21("1","3","2","3","1","4","1","1") = "3"
    & skf21("1","3","2","3","1","4","2","1") = "3"
    & skf21("1","3","2","3","1","4","3","1") = "3"
    & skf21("1","3","2","3","1","4","4","1") = "3"
    & skf21("1","3","2","3","1","4","5","1") = "4"
    & skf21("1","3","2","3","1","4","6","1") = "5"
    & skf21("1","3","2","3","1","4","7","1") = "6"
    & skf21("1","3","2","3","1","5","1","1") = "4"
    & skf21("1","3","2","3","1","5","2","1") = "4"
    & skf21("1","3","2","3","1","5","3","1") = "4"
    & skf21("1","3","2","3","1","5","4","1") = "4"
    & skf21("1","3","2","3","1","5","5","1") = "4"
    & skf21("1","3","2","3","1","5","6","1") = "5"
    & skf21("1","3","2","3","1","5","7","1") = "6"
    & skf21("1","3","2","3","1","6","1","1") = "5"
    & skf21("1","3","2","3","1","6","2","1") = "5"
    & skf21("1","3","2","3","1","6","3","1") = "5"
    & skf21("1","3","2","3","1","6","4","1") = "5"
    & skf21("1","3","2","3","1","6","5","1") = "5"
    & skf21("1","3","2","3","1","6","6","1") = "5"
    & skf21("1","3","2","3","1","6","7","1") = "6"
    & skf21("1","3","2","3","1","7","1","1") = "6"
    & skf21("1","3","2","3","1","7","2","1") = "6"
    & skf21("1","3","2","3","1","7","3","1") = "6"
    & skf21("1","3","2","3","1","7","4","1") = "6"
    & skf21("1","3","2","3","1","7","5","1") = "6"
    & skf21("1","3","2","3","1","7","6","1") = "6"
    & skf21("1","3","2","3","1","7","7","1") = "6"
    & skf21("1","3","2","3","2","1","1","1") = "2"
    & skf21("1","3","2","3","2","1","2","1") = "2"
    & skf21("1","3","2","3","2","1","3","1") = "2"
    & skf21("1","3","2","3","2","1","4","1") = "3"
    & skf21("1","3","2","3","2","1","5","1") = "4"
    & skf21("1","3","2","3","2","1","6","1") = "5"
    & skf21("1","3","2","3","2","1","7","1") = "6"
    & skf21("1","3","2","3","2","2","1","1") = "2"
    & skf21("1","3","2","3","2","2","2","1") = "2"
    & skf21("1","3","2","3","2","2","3","1") = "2"
    & skf21("1","3","2","3","2","2","4","1") = "3"
    & skf21("1","3","2","3","2","2","5","1") = "4"
    & skf21("1","3","2","3","2","2","6","1") = "5"
    & skf21("1","3","2","3","2","2","7","1") = "6"
    & skf21("1","3","2","3","2","3","1","1") = "2"
    & skf21("1","3","2","3","2","3","2","1") = "2"
    & skf21("1","3","2","3","2","3","3","1") = "2"
    & skf21("1","3","2","3","2","3","4","1") = "3"
    & skf21("1","3","2","3","2","3","5","1") = "4"
    & skf21("1","3","2","3","2","3","6","1") = "5"
    & skf21("1","3","2","3","2","3","7","1") = "6"
    & skf21("1","3","2","3","2","4","1","1") = "3"
    & skf21("1","3","2","3","2","4","2","1") = "3"
    & skf21("1","3","2","3","2","4","3","1") = "3"
    & skf21("1","3","2","3","2","4","4","1") = "3"
    & skf21("1","3","2","3","2","4","5","1") = "4"
    & skf21("1","3","2","3","2","4","6","1") = "5"
    & skf21("1","3","2","3","2","4","7","1") = "6"
    & skf21("1","3","2","3","2","5","1","1") = "4"
    & skf21("1","3","2","3","2","5","2","1") = "4"
    & skf21("1","3","2","3","2","5","3","1") = "4"
    & skf21("1","3","2","3","2","5","4","1") = "4"
    & skf21("1","3","2","3","2","5","5","1") = "4"
    & skf21("1","3","2","3","2","5","6","1") = "5"
    & skf21("1","3","2","3","2","5","7","1") = "6"
    & skf21("1","3","2","3","2","6","1","1") = "5"
    & skf21("1","3","2","3","2","6","2","1") = "5"
    & skf21("1","3","2","3","2","6","3","1") = "5"
    & skf21("1","3","2","3","2","6","4","1") = "5"
    & skf21("1","3","2","3","2","6","5","1") = "5"
    & skf21("1","3","2","3","2","6","6","1") = "5"
    & skf21("1","3","2","3","2","6","7","1") = "6"
    & skf21("1","3","2","3","2","7","1","1") = "6"
    & skf21("1","3","2","3","2","7","2","1") = "6"
    & skf21("1","3","2","3","2","7","3","1") = "6"
    & skf21("1","3","2","3","2","7","4","1") = "6"
    & skf21("1","3","2","3","2","7","5","1") = "6"
    & skf21("1","3","2","3","2","7","6","1") = "6"
    & skf21("1","3","2","3","2","7","7","1") = "6"
    & skf21("1","3","2","3","3","1","1","1") = "2"
    & skf21("1","3","2","3","3","1","2","1") = "1"
    & skf21("1","3","2","3","3","1","3","1") = "2"
    & skf21("1","3","2","3","3","1","4","1") = "3"
    & skf21("1","3","2","3","3","1","5","1") = "4"
    & skf21("1","3","2","3","3","1","6","1") = "5"
    & skf21("1","3","2","3","3","1","7","1") = "6"
    & skf21("1","3","2","3","3","2","1","1") = "2"
    & skf21("1","3","2","3","3","2","2","1") = "2"
    & skf21("1","3","2","3","3","2","3","1") = "2"
    & skf21("1","3","2","3","3","2","4","1") = "3"
    & skf21("1","3","2","3","3","2","5","1") = "4"
    & skf21("1","3","2","3","3","2","6","1") = "5"
    & skf21("1","3","2","3","3","2","7","1") = "6"
    & skf21("1","3","2","3","3","3","1","1") = "2"
    & skf21("1","3","2","3","3","3","2","1") = "2"
    & skf21("1","3","2","3","3","3","3","1") = "2"
    & skf21("1","3","2","3","3","3","4","1") = "3"
    & skf21("1","3","2","3","3","3","5","1") = "4"
    & skf21("1","3","2","3","3","3","6","1") = "5"
    & skf21("1","3","2","3","3","3","7","1") = "6"
    & skf21("1","3","2","3","3","4","1","1") = "3"
    & skf21("1","3","2","3","3","4","2","1") = "3"
    & skf21("1","3","2","3","3","4","3","1") = "3"
    & skf21("1","3","2","3","3","4","4","1") = "3"
    & skf21("1","3","2","3","3","4","5","1") = "4"
    & skf21("1","3","2","3","3","4","6","1") = "5"
    & skf21("1","3","2","3","3","4","7","1") = "6"
    & skf21("1","3","2","3","3","5","1","1") = "4"
    & skf21("1","3","2","3","3","5","2","1") = "4"
    & skf21("1","3","2","3","3","5","3","1") = "4"
    & skf21("1","3","2","3","3","5","4","1") = "4"
    & skf21("1","3","2","3","3","5","5","1") = "4"
    & skf21("1","3","2","3","3","5","6","1") = "5"
    & skf21("1","3","2","3","3","5","7","1") = "6"
    & skf21("1","3","2","3","3","6","1","1") = "5"
    & skf21("1","3","2","3","3","6","2","1") = "5"
    & skf21("1","3","2","3","3","6","3","1") = "5"
    & skf21("1","3","2","3","3","6","4","1") = "5"
    & skf21("1","3","2","3","3","6","5","1") = "5"
    & skf21("1","3","2","3","3","6","6","1") = "5"
    & skf21("1","3","2","3","3","6","7","1") = "6"
    & skf21("1","3","2","3","3","7","1","1") = "6"
    & skf21("1","3","2","3","3","7","2","1") = "6"
    & skf21("1","3","2","3","3","7","3","1") = "6"
    & skf21("1","3","2","3","3","7","4","1") = "6"
    & skf21("1","3","2","3","3","7","5","1") = "6"
    & skf21("1","3","2","3","3","7","6","1") = "6"
    & skf21("1","3","2","3","3","7","7","1") = "6"
    & skf21("1","3","2","3","4","1","1","1") = "3"
    & skf21("1","3","2","3","4","1","2","1") = "3"
    & skf21("1","3","2","3","4","1","3","1") = "3"
    & skf21("1","3","2","3","4","1","4","1") = "3"
    & skf21("1","3","2","3","4","1","5","1") = "4"
    & skf21("1","3","2","3","4","1","6","1") = "5"
    & skf21("1","3","2","3","4","1","7","1") = "6"
    & skf21("1","3","2","3","4","2","1","1") = "3"
    & skf21("1","3","2","3","4","2","2","1") = "3"
    & skf21("1","3","2","3","4","2","3","1") = "3"
    & skf21("1","3","2","3","4","2","4","1") = "3"
    & skf21("1","3","2","3","4","2","5","1") = "4"
    & skf21("1","3","2","3","4","2","6","1") = "5"
    & skf21("1","3","2","3","4","2","7","1") = "6"
    & skf21("1","3","2","3","4","3","1","1") = "3"
    & skf21("1","3","2","3","4","3","2","1") = "3"
    & skf21("1","3","2","3","4","3","3","1") = "3"
    & skf21("1","3","2","3","4","3","4","1") = "3"
    & skf21("1","3","2","3","4","3","5","1") = "4"
    & skf21("1","3","2","3","4","3","6","1") = "5"
    & skf21("1","3","2","3","4","3","7","1") = "6"
    & skf21("1","3","2","3","4","4","1","1") = "3"
    & skf21("1","3","2","3","4","4","2","1") = "3"
    & skf21("1","3","2","3","4","4","3","1") = "3"
    & skf21("1","3","2","3","4","4","4","1") = "3"
    & skf21("1","3","2","3","4","4","5","1") = "4"
    & skf21("1","3","2","3","4","4","6","1") = "5"
    & skf21("1","3","2","3","4","4","7","1") = "6"
    & skf21("1","3","2","3","4","5","1","1") = "4"
    & skf21("1","3","2","3","4","5","2","1") = "4"
    & skf21("1","3","2","3","4","5","3","1") = "4"
    & skf21("1","3","2","3","4","5","4","1") = "4"
    & skf21("1","3","2","3","4","5","5","1") = "4"
    & skf21("1","3","2","3","4","5","6","1") = "5"
    & skf21("1","3","2","3","4","5","7","1") = "6"
    & skf21("1","3","2","3","4","6","1","1") = "5"
    & skf21("1","3","2","3","4","6","2","1") = "5"
    & skf21("1","3","2","3","4","6","3","1") = "5"
    & skf21("1","3","2","3","4","6","4","1") = "5"
    & skf21("1","3","2","3","4","6","5","1") = "5"
    & skf21("1","3","2","3","4","6","6","1") = "5"
    & skf21("1","3","2","3","4","6","7","1") = "6"
    & skf21("1","3","2","3","4","7","1","1") = "6"
    & skf21("1","3","2","3","4","7","2","1") = "6"
    & skf21("1","3","2","3","4","7","3","1") = "6"
    & skf21("1","3","2","3","4","7","4","1") = "6"
    & skf21("1","3","2","3","4","7","5","1") = "6"
    & skf21("1","3","2","3","4","7","6","1") = "6"
    & skf21("1","3","2","3","4","7","7","1") = "6"
    & skf21("1","3","2","3","5","1","1","1") = "4"
    & skf21("1","3","2","3","5","1","2","1") = "4"
    & skf21("1","3","2","3","5","1","3","1") = "4"
    & skf21("1","3","2","3","5","1","4","1") = "4"
    & skf21("1","3","2","3","5","1","5","1") = "4"
    & skf21("1","3","2","3","5","1","6","1") = "5"
    & skf21("1","3","2","3","5","1","7","1") = "6"
    & skf21("1","3","2","3","5","2","1","1") = "4"
    & skf21("1","3","2","3","5","2","2","1") = "4"
    & skf21("1","3","2","3","5","2","3","1") = "4"
    & skf21("1","3","2","3","5","2","4","1") = "4"
    & skf21("1","3","2","3","5","2","5","1") = "4"
    & skf21("1","3","2","3","5","2","6","1") = "5"
    & skf21("1","3","2","3","5","2","7","1") = "6"
    & skf21("1","3","2","3","5","3","1","1") = "4"
    & skf21("1","3","2","3","5","3","2","1") = "4"
    & skf21("1","3","2","3","5","3","3","1") = "4"
    & skf21("1","3","2","3","5","3","4","1") = "4"
    & skf21("1","3","2","3","5","3","5","1") = "4"
    & skf21("1","3","2","3","5","3","6","1") = "5"
    & skf21("1","3","2","3","5","3","7","1") = "6"
    & skf21("1","3","2","3","5","4","1","1") = "4"
    & skf21("1","3","2","3","5","4","2","1") = "4"
    & skf21("1","3","2","3","5","4","3","1") = "4"
    & skf21("1","3","2","3","5","4","4","1") = "4"
    & skf21("1","3","2","3","5","4","5","1") = "4"
    & skf21("1","3","2","3","5","4","6","1") = "5"
    & skf21("1","3","2","3","5","4","7","1") = "6"
    & skf21("1","3","2","3","5","5","1","1") = "4"
    & skf21("1","3","2","3","5","5","2","1") = "4"
    & skf21("1","3","2","3","5","5","3","1") = "4"
    & skf21("1","3","2","3","5","5","4","1") = "4"
    & skf21("1","3","2","3","5","5","5","1") = "4"
    & skf21("1","3","2","3","5","5","6","1") = "5"
    & skf21("1","3","2","3","5","5","7","1") = "6"
    & skf21("1","3","2","3","5","6","1","1") = "5"
    & skf21("1","3","2","3","5","6","2","1") = "5"
    & skf21("1","3","2","3","5","6","3","1") = "5"
    & skf21("1","3","2","3","5","6","4","1") = "5"
    & skf21("1","3","2","3","5","6","5","1") = "5"
    & skf21("1","3","2","3","5","6","6","1") = "5"
    & skf21("1","3","2","3","5","6","7","1") = "6"
    & skf21("1","3","2","3","5","7","1","1") = "6"
    & skf21("1","3","2","3","5","7","2","1") = "6"
    & skf21("1","3","2","3","5","7","3","1") = "6"
    & skf21("1","3","2","3","5","7","4","1") = "6"
    & skf21("1","3","2","3","5","7","5","1") = "6"
    & skf21("1","3","2","3","5","7","6","1") = "6"
    & skf21("1","3","2","3","5","7","7","1") = "6"
    & skf21("1","3","2","3","6","1","1","1") = "5"
    & skf21("1","3","2","3","6","1","2","1") = "5"
    & skf21("1","3","2","3","6","1","3","1") = "5"
    & skf21("1","3","2","3","6","1","4","1") = "5"
    & skf21("1","3","2","3","6","1","5","1") = "5"
    & skf21("1","3","2","3","6","1","6","1") = "5"
    & skf21("1","3","2","3","6","1","7","1") = "6"
    & skf21("1","3","2","3","6","2","1","1") = "5"
    & skf21("1","3","2","3","6","2","2","1") = "5"
    & skf21("1","3","2","3","6","2","3","1") = "5"
    & skf21("1","3","2","3","6","2","4","1") = "5"
    & skf21("1","3","2","3","6","2","5","1") = "5"
    & skf21("1","3","2","3","6","2","6","1") = "5"
    & skf21("1","3","2","3","6","2","7","1") = "6"
    & skf21("1","3","2","3","6","3","1","1") = "5"
    & skf21("1","3","2","3","6","3","2","1") = "5"
    & skf21("1","3","2","3","6","3","3","1") = "5"
    & skf21("1","3","2","3","6","3","4","1") = "5"
    & skf21("1","3","2","3","6","3","5","1") = "5"
    & skf21("1","3","2","3","6","3","6","1") = "5"
    & skf21("1","3","2","3","6","3","7","1") = "6"
    & skf21("1","3","2","3","6","4","1","1") = "5"
    & skf21("1","3","2","3","6","4","2","1") = "5"
    & skf21("1","3","2","3","6","4","3","1") = "5"
    & skf21("1","3","2","3","6","4","4","1") = "5"
    & skf21("1","3","2","3","6","4","5","1") = "5"
    & skf21("1","3","2","3","6","4","6","1") = "5"
    & skf21("1","3","2","3","6","4","7","1") = "6"
    & skf21("1","3","2","3","6","5","1","1") = "5"
    & skf21("1","3","2","3","6","5","2","1") = "5"
    & skf21("1","3","2","3","6","5","3","1") = "5"
    & skf21("1","3","2","3","6","5","4","1") = "5"
    & skf21("1","3","2","3","6","5","5","1") = "5"
    & skf21("1","3","2","3","6","5","6","1") = "5"
    & skf21("1","3","2","3","6","5","7","1") = "6"
    & skf21("1","3","2","3","6","6","1","1") = "5"
    & skf21("1","3","2","3","6","6","2","1") = "5"
    & skf21("1","3","2","3","6","6","3","1") = "5"
    & skf21("1","3","2","3","6","6","4","1") = "5"
    & skf21("1","3","2","3","6","6","5","1") = "5"
    & skf21("1","3","2","3","6","6","6","1") = "5"
    & skf21("1","3","2","3","6","6","7","1") = "6"
    & skf21("1","3","2","3","6","7","1","1") = "6"
    & skf21("1","3","2","3","6","7","2","1") = "6"
    & skf21("1","3","2","3","6","7","3","1") = "6"
    & skf21("1","3","2","3","6","7","4","1") = "6"
    & skf21("1","3","2","3","6","7","5","1") = "6"
    & skf21("1","3","2","3","6","7","6","1") = "6"
    & skf21("1","3","2","3","6","7","7","1") = "6"
    & skf21("1","3","2","3","7","1","1","1") = "6"
    & skf21("1","3","2","3","7","1","2","1") = "6"
    & skf21("1","3","2","3","7","1","3","1") = "6"
    & skf21("1","3","2","3","7","1","4","1") = "6"
    & skf21("1","3","2","3","7","1","5","1") = "6"
    & skf21("1","3","2","3","7","1","6","1") = "6"
    & skf21("1","3","2","3","7","1","7","1") = "6"
    & skf21("1","3","2","3","7","2","1","1") = "6"
    & skf21("1","3","2","3","7","2","2","1") = "6"
    & skf21("1","3","2","3","7","2","3","1") = "6"
    & skf21("1","3","2","3","7","2","4","1") = "6"
    & skf21("1","3","2","3","7","2","5","1") = "6"
    & skf21("1","3","2","3","7","2","6","1") = "6"
    & skf21("1","3","2","3","7","2","7","1") = "6"
    & skf21("1","3","2","3","7","3","1","1") = "6"
    & skf21("1","3","2","3","7","3","2","1") = "6"
    & skf21("1","3","2","3","7","3","3","1") = "6"
    & skf21("1","3","2","3","7","3","4","1") = "6"
    & skf21("1","3","2","3","7","3","5","1") = "6"
    & skf21("1","3","2","3","7","3","6","1") = "6"
    & skf21("1","3","2","3","7","3","7","1") = "6"
    & skf21("1","3","2","3","7","4","1","1") = "6"
    & skf21("1","3","2","3","7","4","2","1") = "6"
    & skf21("1","3","2","3","7","4","3","1") = "6"
    & skf21("1","3","2","3","7","4","4","1") = "6"
    & skf21("1","3","2","3","7","4","5","1") = "6"
    & skf21("1","3","2","3","7","4","6","1") = "6"
    & skf21("1","3","2","3","7","4","7","1") = "6"
    & skf21("1","3","2","3","7","5","1","1") = "6"
    & skf21("1","3","2","3","7","5","2","1") = "6"
    & skf21("1","3","2","3","7","5","3","1") = "6"
    & skf21("1","3","2","3","7","5","4","1") = "6"
    & skf21("1","3","2","3","7","5","5","1") = "6"
    & skf21("1","3","2","3","7","5","6","1") = "6"
    & skf21("1","3","2","3","7","5","7","1") = "6"
    & skf21("1","3","2","3","7","6","1","1") = "6"
    & skf21("1","3","2","3","7","6","2","1") = "6"
    & skf21("1","3","2","3","7","6","3","1") = "6"
    & skf21("1","3","2","3","7","6","4","1") = "6"
    & skf21("1","3","2","3","7","6","5","1") = "6"
    & skf21("1","3","2","3","7","6","6","1") = "6"
    & skf21("1","3","2","3","7","6","7","1") = "6"
    & skf21("1","3","2","3","7","7","1","1") = "6"
    & skf21("1","3","2","3","7","7","2","1") = "6"
    & skf21("1","3","2","3","7","7","3","1") = "6"
    & skf21("1","3","2","3","7","7","4","1") = "6"
    & skf21("1","3","2","3","7","7","5","1") = "6"
    & skf21("1","3","2","3","7","7","6","1") = "6"
    & skf21("1","3","2","3","7","7","7","1") = "6"
    & skf21("1","3","2","4","1","1","1","1") = "3"
    & skf21("1","3","2","4","1","1","2","1") = "3"
    & skf21("1","3","2","4","1","1","3","1") = "3"
    & skf21("1","3","2","4","1","1","4","1") = "3"
    & skf21("1","3","2","4","1","1","5","1") = "4"
    & skf21("1","3","2","4","1","1","6","1") = "5"
    & skf21("1","3","2","4","1","1","7","1") = "6"
    & skf21("1","3","2","4","1","2","1","1") = "3"
    & skf21("1","3","2","4","1","2","2","1") = "3"
    & skf21("1","3","2","4","1","2","3","1") = "3"
    & skf21("1","3","2","4","1","2","4","1") = "3"
    & skf21("1","3","2","4","1","2","5","1") = "4"
    & skf21("1","3","2","4","1","2","6","1") = "5"
    & skf21("1","3","2","4","1","2","7","1") = "6"
    & skf21("1","3","2","4","1","3","1","1") = "3"
    & skf21("1","3","2","4","1","3","2","1") = "3"
    & skf21("1","3","2","4","1","3","3","1") = "3"
    & skf21("1","3","2","4","1","3","4","1") = "3"
    & skf21("1","3","2","4","1","3","5","1") = "4"
    & skf21("1","3","2","4","1","3","6","1") = "5"
    & skf21("1","3","2","4","1","3","7","1") = "6"
    & skf21("1","3","2","4","1","4","1","1") = "3"
    & skf21("1","3","2","4","1","4","2","1") = "3"
    & skf21("1","3","2","4","1","4","3","1") = "3"
    & skf21("1","3","2","4","1","4","4","1") = "3"
    & skf21("1","3","2","4","1","4","5","1") = "4"
    & skf21("1","3","2","4","1","4","6","1") = "5"
    & skf21("1","3","2","4","1","4","7","1") = "6"
    & skf21("1","3","2","4","1","5","1","1") = "4"
    & skf21("1","3","2","4","1","5","2","1") = "4"
    & skf21("1","3","2","4","1","5","3","1") = "4"
    & skf21("1","3","2","4","1","5","4","1") = "4"
    & skf21("1","3","2","4","1","5","5","1") = "4"
    & skf21("1","3","2","4","1","5","6","1") = "5"
    & skf21("1","3","2","4","1","5","7","1") = "6"
    & skf21("1","3","2","4","1","6","1","1") = "5"
    & skf21("1","3","2","4","1","6","2","1") = "5"
    & skf21("1","3","2","4","1","6","3","1") = "5"
    & skf21("1","3","2","4","1","6","4","1") = "5"
    & skf21("1","3","2","4","1","6","5","1") = "5"
    & skf21("1","3","2","4","1","6","6","1") = "5"
    & skf21("1","3","2","4","1","6","7","1") = "6"
    & skf21("1","3","2","4","1","7","1","1") = "6"
    & skf21("1","3","2","4","1","7","2","1") = "6"
    & skf21("1","3","2","4","1","7","3","1") = "6"
    & skf21("1","3","2","4","1","7","4","1") = "6"
    & skf21("1","3","2","4","1","7","5","1") = "6"
    & skf21("1","3","2","4","1","7","6","1") = "6"
    & skf21("1","3","2","4","1","7","7","1") = "6"
    & skf21("1","3","2","4","2","1","1","1") = "3"
    & skf21("1","3","2","4","2","1","2","1") = "3"
    & skf21("1","3","2","4","2","1","3","1") = "3"
    & skf21("1","3","2","4","2","1","4","1") = "3"
    & skf21("1","3","2","4","2","1","5","1") = "4"
    & skf21("1","3","2","4","2","1","6","1") = "5"
    & skf21("1","3","2","4","2","1","7","1") = "6"
    & skf21("1","3","2","4","2","2","1","1") = "3"
    & skf21("1","3","2","4","2","2","2","1") = "3"
    & skf21("1","3","2","4","2","2","3","1") = "3"
    & skf21("1","3","2","4","2","2","4","1") = "3"
    & skf21("1","3","2","4","2","2","5","1") = "4"
    & skf21("1","3","2","4","2","2","6","1") = "5"
    & skf21("1","3","2","4","2","2","7","1") = "6"
    & skf21("1","3","2","4","2","3","1","1") = "3"
    & skf21("1","3","2","4","2","3","2","1") = "3"
    & skf21("1","3","2","4","2","3","3","1") = "3"
    & skf21("1","3","2","4","2","3","4","1") = "3"
    & skf21("1","3","2","4","2","3","5","1") = "4"
    & skf21("1","3","2","4","2","3","6","1") = "5"
    & skf21("1","3","2","4","2","3","7","1") = "6"
    & skf21("1","3","2","4","2","4","1","1") = "3"
    & skf21("1","3","2","4","2","4","2","1") = "3"
    & skf21("1","3","2","4","2","4","3","1") = "3"
    & skf21("1","3","2","4","2","4","4","1") = "3"
    & skf21("1","3","2","4","2","4","5","1") = "4"
    & skf21("1","3","2","4","2","4","6","1") = "5"
    & skf21("1","3","2","4","2","4","7","1") = "6"
    & skf21("1","3","2","4","2","5","1","1") = "4"
    & skf21("1","3","2","4","2","5","2","1") = "4"
    & skf21("1","3","2","4","2","5","3","1") = "4"
    & skf21("1","3","2","4","2","5","4","1") = "4"
    & skf21("1","3","2","4","2","5","5","1") = "4"
    & skf21("1","3","2","4","2","5","6","1") = "5"
    & skf21("1","3","2","4","2","5","7","1") = "6"
    & skf21("1","3","2","4","2","6","1","1") = "5"
    & skf21("1","3","2","4","2","6","2","1") = "5"
    & skf21("1","3","2","4","2","6","3","1") = "5"
    & skf21("1","3","2","4","2","6","4","1") = "5"
    & skf21("1","3","2","4","2","6","5","1") = "5"
    & skf21("1","3","2","4","2","6","6","1") = "5"
    & skf21("1","3","2","4","2","6","7","1") = "6"
    & skf21("1","3","2","4","2","7","1","1") = "6"
    & skf21("1","3","2","4","2","7","2","1") = "6"
    & skf21("1","3","2","4","2","7","3","1") = "6"
    & skf21("1","3","2","4","2","7","4","1") = "6"
    & skf21("1","3","2","4","2","7","5","1") = "6"
    & skf21("1","3","2","4","2","7","6","1") = "6"
    & skf21("1","3","2","4","2","7","7","1") = "6"
    & skf21("1","3","2","4","3","1","1","1") = "3"
    & skf21("1","3","2","4","3","1","2","1") = "3"
    & skf21("1","3","2","4","3","1","3","1") = "3"
    & skf21("1","3","2","4","3","1","4","1") = "3"
    & skf21("1","3","2","4","3","1","5","1") = "4"
    & skf21("1","3","2","4","3","1","6","1") = "5"
    & skf21("1","3","2","4","3","1","7","1") = "6"
    & skf21("1","3","2","4","3","2","1","1") = "3"
    & skf21("1","3","2","4","3","2","2","1") = "3"
    & skf21("1","3","2","4","3","2","3","1") = "3"
    & skf21("1","3","2","4","3","2","4","1") = "3"
    & skf21("1","3","2","4","3","2","5","1") = "4"
    & skf21("1","3","2","4","3","2","6","1") = "5"
    & skf21("1","3","2","4","3","2","7","1") = "6"
    & skf21("1","3","2","4","3","3","1","1") = "3"
    & skf21("1","3","2","4","3","3","2","1") = "3"
    & skf21("1","3","2","4","3","3","3","1") = "3"
    & skf21("1","3","2","4","3","3","4","1") = "3"
    & skf21("1","3","2","4","3","3","5","1") = "4"
    & skf21("1","3","2","4","3","3","6","1") = "5"
    & skf21("1","3","2","4","3","3","7","1") = "6"
    & skf21("1","3","2","4","3","4","1","1") = "3"
    & skf21("1","3","2","4","3","4","2","1") = "3"
    & skf21("1","3","2","4","3","4","3","1") = "3"
    & skf21("1","3","2","4","3","4","4","1") = "3"
    & skf21("1","3","2","4","3","4","5","1") = "4"
    & skf21("1","3","2","4","3","4","6","1") = "5"
    & skf21("1","3","2","4","3","4","7","1") = "6"
    & skf21("1","3","2","4","3","5","1","1") = "4"
    & skf21("1","3","2","4","3","5","2","1") = "4"
    & skf21("1","3","2","4","3","5","3","1") = "4"
    & skf21("1","3","2","4","3","5","4","1") = "4"
    & skf21("1","3","2","4","3","5","5","1") = "4"
    & skf21("1","3","2","4","3","5","6","1") = "5"
    & skf21("1","3","2","4","3","5","7","1") = "6"
    & skf21("1","3","2","4","3","6","1","1") = "5"
    & skf21("1","3","2","4","3","6","2","1") = "5"
    & skf21("1","3","2","4","3","6","3","1") = "5"
    & skf21("1","3","2","4","3","6","4","1") = "5"
    & skf21("1","3","2","4","3","6","5","1") = "5"
    & skf21("1","3","2","4","3","6","6","1") = "5"
    & skf21("1","3","2","4","3","6","7","1") = "6"
    & skf21("1","3","2","4","3","7","1","1") = "6"
    & skf21("1","3","2","4","3","7","2","1") = "6"
    & skf21("1","3","2","4","3","7","3","1") = "6"
    & skf21("1","3","2","4","3","7","4","1") = "6"
    & skf21("1","3","2","4","3","7","5","1") = "6"
    & skf21("1","3","2","4","3","7","6","1") = "6"
    & skf21("1","3","2","4","3","7","7","1") = "6"
    & skf21("1","3","2","4","4","1","1","1") = "3"
    & skf21("1","3","2","4","4","1","2","1") = "3"
    & skf21("1","3","2","4","4","1","3","1") = "3"
    & skf21("1","3","2","4","4","1","4","1") = "3"
    & skf21("1","3","2","4","4","1","5","1") = "4"
    & skf21("1","3","2","4","4","1","6","1") = "5"
    & skf21("1","3","2","4","4","1","7","1") = "6"
    & skf21("1","3","2","4","4","2","1","1") = "3"
    & skf21("1","3","2","4","4","2","2","1") = "3"
    & skf21("1","3","2","4","4","2","3","1") = "3"
    & skf21("1","3","2","4","4","2","4","1") = "3"
    & skf21("1","3","2","4","4","2","5","1") = "4"
    & skf21("1","3","2","4","4","2","6","1") = "5"
    & skf21("1","3","2","4","4","2","7","1") = "6"
    & skf21("1","3","2","4","4","3","1","1") = "3"
    & skf21("1","3","2","4","4","3","2","1") = "3"
    & skf21("1","3","2","4","4","3","3","1") = "3"
    & skf21("1","3","2","4","4","3","4","1") = "3"
    & skf21("1","3","2","4","4","3","5","1") = "4"
    & skf21("1","3","2","4","4","3","6","1") = "5"
    & skf21("1","3","2","4","4","3","7","1") = "6"
    & skf21("1","3","2","4","4","4","1","1") = "3"
    & skf21("1","3","2","4","4","4","2","1") = "3"
    & skf21("1","3","2","4","4","4","3","1") = "3"
    & skf21("1","3","2","4","4","4","4","1") = "3"
    & skf21("1","3","2","4","4","4","5","1") = "4"
    & skf21("1","3","2","4","4","4","6","1") = "5"
    & skf21("1","3","2","4","4","4","7","1") = "6"
    & skf21("1","3","2","4","4","5","1","1") = "4"
    & skf21("1","3","2","4","4","5","2","1") = "4"
    & skf21("1","3","2","4","4","5","3","1") = "4"
    & skf21("1","3","2","4","4","5","4","1") = "4"
    & skf21("1","3","2","4","4","5","5","1") = "4"
    & skf21("1","3","2","4","4","5","6","1") = "5"
    & skf21("1","3","2","4","4","5","7","1") = "6"
    & skf21("1","3","2","4","4","6","1","1") = "5"
    & skf21("1","3","2","4","4","6","2","1") = "5"
    & skf21("1","3","2","4","4","6","3","1") = "5"
    & skf21("1","3","2","4","4","6","4","1") = "5"
    & skf21("1","3","2","4","4","6","5","1") = "5"
    & skf21("1","3","2","4","4","6","6","1") = "5"
    & skf21("1","3","2","4","4","6","7","1") = "6"
    & skf21("1","3","2","4","4","7","1","1") = "6"
    & skf21("1","3","2","4","4","7","2","1") = "6"
    & skf21("1","3","2","4","4","7","3","1") = "6"
    & skf21("1","3","2","4","4","7","4","1") = "6"
    & skf21("1","3","2","4","4","7","5","1") = "6"
    & skf21("1","3","2","4","4","7","6","1") = "6"
    & skf21("1","3","2","4","4","7","7","1") = "6"
    & skf21("1","3","2","4","5","1","1","1") = "4"
    & skf21("1","3","2","4","5","1","2","1") = "4"
    & skf21("1","3","2","4","5","1","3","1") = "4"
    & skf21("1","3","2","4","5","1","4","1") = "4"
    & skf21("1","3","2","4","5","1","5","1") = "4"
    & skf21("1","3","2","4","5","1","6","1") = "5"
    & skf21("1","3","2","4","5","1","7","1") = "6"
    & skf21("1","3","2","4","5","2","1","1") = "4"
    & skf21("1","3","2","4","5","2","2","1") = "4"
    & skf21("1","3","2","4","5","2","3","1") = "4"
    & skf21("1","3","2","4","5","2","4","1") = "4"
    & skf21("1","3","2","4","5","2","5","1") = "4"
    & skf21("1","3","2","4","5","2","6","1") = "5"
    & skf21("1","3","2","4","5","2","7","1") = "6"
    & skf21("1","3","2","4","5","3","1","1") = "4"
    & skf21("1","3","2","4","5","3","2","1") = "4"
    & skf21("1","3","2","4","5","3","3","1") = "4"
    & skf21("1","3","2","4","5","3","4","1") = "4"
    & skf21("1","3","2","4","5","3","5","1") = "4"
    & skf21("1","3","2","4","5","3","6","1") = "5"
    & skf21("1","3","2","4","5","3","7","1") = "6"
    & skf21("1","3","2","4","5","4","1","1") = "4"
    & skf21("1","3","2","4","5","4","2","1") = "4"
    & skf21("1","3","2","4","5","4","3","1") = "4"
    & skf21("1","3","2","4","5","4","4","1") = "4"
    & skf21("1","3","2","4","5","4","5","1") = "4"
    & skf21("1","3","2","4","5","4","6","1") = "5"
    & skf21("1","3","2","4","5","4","7","1") = "6"
    & skf21("1","3","2","4","5","5","1","1") = "4"
    & skf21("1","3","2","4","5","5","2","1") = "4"
    & skf21("1","3","2","4","5","5","3","1") = "4"
    & skf21("1","3","2","4","5","5","4","1") = "4"
    & skf21("1","3","2","4","5","5","5","1") = "4"
    & skf21("1","3","2","4","5","5","6","1") = "5"
    & skf21("1","3","2","4","5","5","7","1") = "6"
    & skf21("1","3","2","4","5","6","1","1") = "5"
    & skf21("1","3","2","4","5","6","2","1") = "5"
    & skf21("1","3","2","4","5","6","3","1") = "5"
    & skf21("1","3","2","4","5","6","4","1") = "5"
    & skf21("1","3","2","4","5","6","5","1") = "5"
    & skf21("1","3","2","4","5","6","6","1") = "5"
    & skf21("1","3","2","4","5","6","7","1") = "6"
    & skf21("1","3","2","4","5","7","1","1") = "6"
    & skf21("1","3","2","4","5","7","2","1") = "6"
    & skf21("1","3","2","4","5","7","3","1") = "6"
    & skf21("1","3","2","4","5","7","4","1") = "6"
    & skf21("1","3","2","4","5","7","5","1") = "6"
    & skf21("1","3","2","4","5","7","6","1") = "6"
    & skf21("1","3","2","4","5","7","7","1") = "6"
    & skf21("1","3","2","4","6","1","1","1") = "5"
    & skf21("1","3","2","4","6","1","2","1") = "5"
    & skf21("1","3","2","4","6","1","3","1") = "5"
    & skf21("1","3","2","4","6","1","4","1") = "5"
    & skf21("1","3","2","4","6","1","5","1") = "5"
    & skf21("1","3","2","4","6","1","6","1") = "5"
    & skf21("1","3","2","4","6","1","7","1") = "6"
    & skf21("1","3","2","4","6","2","1","1") = "5"
    & skf21("1","3","2","4","6","2","2","1") = "5"
    & skf21("1","3","2","4","6","2","3","1") = "5"
    & skf21("1","3","2","4","6","2","4","1") = "5"
    & skf21("1","3","2","4","6","2","5","1") = "5"
    & skf21("1","3","2","4","6","2","6","1") = "5"
    & skf21("1","3","2","4","6","2","7","1") = "6"
    & skf21("1","3","2","4","6","3","1","1") = "5"
    & skf21("1","3","2","4","6","3","2","1") = "5"
    & skf21("1","3","2","4","6","3","3","1") = "5"
    & skf21("1","3","2","4","6","3","4","1") = "5"
    & skf21("1","3","2","4","6","3","5","1") = "5"
    & skf21("1","3","2","4","6","3","6","1") = "5"
    & skf21("1","3","2","4","6","3","7","1") = "6"
    & skf21("1","3","2","4","6","4","1","1") = "5"
    & skf21("1","3","2","4","6","4","2","1") = "5"
    & skf21("1","3","2","4","6","4","3","1") = "5"
    & skf21("1","3","2","4","6","4","4","1") = "5"
    & skf21("1","3","2","4","6","4","5","1") = "5"
    & skf21("1","3","2","4","6","4","6","1") = "5"
    & skf21("1","3","2","4","6","4","7","1") = "6"
    & skf21("1","3","2","4","6","5","1","1") = "5"
    & skf21("1","3","2","4","6","5","2","1") = "5"
    & skf21("1","3","2","4","6","5","3","1") = "5"
    & skf21("1","3","2","4","6","5","4","1") = "5"
    & skf21("1","3","2","4","6","5","5","1") = "5"
    & skf21("1","3","2","4","6","5","6","1") = "5"
    & skf21("1","3","2","4","6","5","7","1") = "6"
    & skf21("1","3","2","4","6","6","1","1") = "5"
    & skf21("1","3","2","4","6","6","2","1") = "5"
    & skf21("1","3","2","4","6","6","3","1") = "5"
    & skf21("1","3","2","4","6","6","4","1") = "5"
    & skf21("1","3","2","4","6","6","5","1") = "5"
    & skf21("1","3","2","4","6","6","6","1") = "5"
    & skf21("1","3","2","4","6","6","7","1") = "6"
    & skf21("1","3","2","4","6","7","1","1") = "6"
    & skf21("1","3","2","4","6","7","2","1") = "6"
    & skf21("1","3","2","4","6","7","3","1") = "6"
    & skf21("1","3","2","4","6","7","4","1") = "6"
    & skf21("1","3","2","4","6","7","5","1") = "6"
    & skf21("1","3","2","4","6","7","6","1") = "6"
    & skf21("1","3","2","4","6","7","7","1") = "6"
    & skf21("1","3","2","4","7","1","1","1") = "6"
    & skf21("1","3","2","4","7","1","2","1") = "6"
    & skf21("1","3","2","4","7","1","3","1") = "6"
    & skf21("1","3","2","4","7","1","4","1") = "6"
    & skf21("1","3","2","4","7","1","5","1") = "6"
    & skf21("1","3","2","4","7","1","6","1") = "6"
    & skf21("1","3","2","4","7","1","7","1") = "6"
    & skf21("1","3","2","4","7","2","1","1") = "6"
    & skf21("1","3","2","4","7","2","2","1") = "6"
    & skf21("1","3","2","4","7","2","3","1") = "6"
    & skf21("1","3","2","4","7","2","4","1") = "6"
    & skf21("1","3","2","4","7","2","5","1") = "6"
    & skf21("1","3","2","4","7","2","6","1") = "6"
    & skf21("1","3","2","4","7","2","7","1") = "6"
    & skf21("1","3","2","4","7","3","1","1") = "6"
    & skf21("1","3","2","4","7","3","2","1") = "6"
    & skf21("1","3","2","4","7","3","3","1") = "6"
    & skf21("1","3","2","4","7","3","4","1") = "6"
    & skf21("1","3","2","4","7","3","5","1") = "6"
    & skf21("1","3","2","4","7","3","6","1") = "6"
    & skf21("1","3","2","4","7","3","7","1") = "6"
    & skf21("1","3","2","4","7","4","1","1") = "6"
    & skf21("1","3","2","4","7","4","2","1") = "6"
    & skf21("1","3","2","4","7","4","3","1") = "6"
    & skf21("1","3","2","4","7","4","4","1") = "6"
    & skf21("1","3","2","4","7","4","5","1") = "6"
    & skf21("1","3","2","4","7","4","6","1") = "6"
    & skf21("1","3","2","4","7","4","7","1") = "6"
    & skf21("1","3","2","4","7","5","1","1") = "6"
    & skf21("1","3","2","4","7","5","2","1") = "6"
    & skf21("1","3","2","4","7","5","3","1") = "6"
    & skf21("1","3","2","4","7","5","4","1") = "6"
    & skf21("1","3","2","4","7","5","5","1") = "6"
    & skf21("1","3","2","4","7","5","6","1") = "6"
    & skf21("1","3","2","4","7","5","7","1") = "6"
    & skf21("1","3","2","4","7","6","1","1") = "6"
    & skf21("1","3","2","4","7","6","2","1") = "6"
    & skf21("1","3","2","4","7","6","3","1") = "6"
    & skf21("1","3","2","4","7","6","4","1") = "6"
    & skf21("1","3","2","4","7","6","5","1") = "6"
    & skf21("1","3","2","4","7","6","6","1") = "6"
    & skf21("1","3","2","4","7","6","7","1") = "6"
    & skf21("1","3","2","4","7","7","1","1") = "6"
    & skf21("1","3","2","4","7","7","2","1") = "6"
    & skf21("1","3","2","4","7","7","3","1") = "6"
    & skf21("1","3","2","4","7","7","4","1") = "6"
    & skf21("1","3","2","4","7","7","5","1") = "6"
    & skf21("1","3","2","4","7","7","6","1") = "6"
    & skf21("1","3","2","4","7","7","7","1") = "6"
    & skf21("1","3","2","5","1","1","1","1") = "4"
    & skf21("1","3","2","5","1","1","2","1") = "4"
    & skf21("1","3","2","5","1","1","3","1") = "4"
    & skf21("1","3","2","5","1","1","4","1") = "4"
    & skf21("1","3","2","5","1","1","5","1") = "4"
    & skf21("1","3","2","5","1","1","6","1") = "5"
    & skf21("1","3","2","5","1","1","7","1") = "6"
    & skf21("1","3","2","5","1","2","1","1") = "4"
    & skf21("1","3","2","5","1","2","2","1") = "4"
    & skf21("1","3","2","5","1","2","3","1") = "4"
    & skf21("1","3","2","5","1","2","4","1") = "4"
    & skf21("1","3","2","5","1","2","5","1") = "4"
    & skf21("1","3","2","5","1","2","6","1") = "5"
    & skf21("1","3","2","5","1","2","7","1") = "6"
    & skf21("1","3","2","5","1","3","1","1") = "4"
    & skf21("1","3","2","5","1","3","2","1") = "4"
    & skf21("1","3","2","5","1","3","3","1") = "4"
    & skf21("1","3","2","5","1","3","4","1") = "4"
    & skf21("1","3","2","5","1","3","5","1") = "4"
    & skf21("1","3","2","5","1","3","6","1") = "5"
    & skf21("1","3","2","5","1","3","7","1") = "6"
    & skf21("1","3","2","5","1","4","1","1") = "4"
    & skf21("1","3","2","5","1","4","2","1") = "4"
    & skf21("1","3","2","5","1","4","3","1") = "4"
    & skf21("1","3","2","5","1","4","4","1") = "4"
    & skf21("1","3","2","5","1","4","5","1") = "4"
    & skf21("1","3","2","5","1","4","6","1") = "5"
    & skf21("1","3","2","5","1","4","7","1") = "6"
    & skf21("1","3","2","5","1","5","1","1") = "4"
    & skf21("1","3","2","5","1","5","2","1") = "4"
    & skf21("1","3","2","5","1","5","3","1") = "4"
    & skf21("1","3","2","5","1","5","4","1") = "4"
    & skf21("1","3","2","5","1","5","5","1") = "4"
    & skf21("1","3","2","5","1","5","6","1") = "5"
    & skf21("1","3","2","5","1","5","7","1") = "6"
    & skf21("1","3","2","5","1","6","1","1") = "5"
    & skf21("1","3","2","5","1","6","2","1") = "5"
    & skf21("1","3","2","5","1","6","3","1") = "5"
    & skf21("1","3","2","5","1","6","4","1") = "5"
    & skf21("1","3","2","5","1","6","5","1") = "5"
    & skf21("1","3","2","5","1","6","6","1") = "5"
    & skf21("1","3","2","5","1","6","7","1") = "6"
    & skf21("1","3","2","5","1","7","1","1") = "6"
    & skf21("1","3","2","5","1","7","2","1") = "6"
    & skf21("1","3","2","5","1","7","3","1") = "6"
    & skf21("1","3","2","5","1","7","4","1") = "6"
    & skf21("1","3","2","5","1","7","5","1") = "6"
    & skf21("1","3","2","5","1","7","6","1") = "6"
    & skf21("1","3","2","5","1","7","7","1") = "6"
    & skf21("1","3","2","5","2","1","1","1") = "4"
    & skf21("1","3","2","5","2","1","2","1") = "4"
    & skf21("1","3","2","5","2","1","3","1") = "4"
    & skf21("1","3","2","5","2","1","4","1") = "4"
    & skf21("1","3","2","5","2","1","5","1") = "4"
    & skf21("1","3","2","5","2","1","6","1") = "5"
    & skf21("1","3","2","5","2","1","7","1") = "6"
    & skf21("1","3","2","5","2","2","1","1") = "4"
    & skf21("1","3","2","5","2","2","2","1") = "4"
    & skf21("1","3","2","5","2","2","3","1") = "4"
    & skf21("1","3","2","5","2","2","4","1") = "4"
    & skf21("1","3","2","5","2","2","5","1") = "4"
    & skf21("1","3","2","5","2","2","6","1") = "5"
    & skf21("1","3","2","5","2","2","7","1") = "6"
    & skf21("1","3","2","5","2","3","1","1") = "4"
    & skf21("1","3","2","5","2","3","2","1") = "4"
    & skf21("1","3","2","5","2","3","3","1") = "4"
    & skf21("1","3","2","5","2","3","4","1") = "4"
    & skf21("1","3","2","5","2","3","5","1") = "4"
    & skf21("1","3","2","5","2","3","6","1") = "5"
    & skf21("1","3","2","5","2","3","7","1") = "6"
    & skf21("1","3","2","5","2","4","1","1") = "4"
    & skf21("1","3","2","5","2","4","2","1") = "4"
    & skf21("1","3","2","5","2","4","3","1") = "4"
    & skf21("1","3","2","5","2","4","4","1") = "4"
    & skf21("1","3","2","5","2","4","5","1") = "4"
    & skf21("1","3","2","5","2","4","6","1") = "5"
    & skf21("1","3","2","5","2","4","7","1") = "6"
    & skf21("1","3","2","5","2","5","1","1") = "4"
    & skf21("1","3","2","5","2","5","2","1") = "4"
    & skf21("1","3","2","5","2","5","3","1") = "4"
    & skf21("1","3","2","5","2","5","4","1") = "4"
    & skf21("1","3","2","5","2","5","5","1") = "4"
    & skf21("1","3","2","5","2","5","6","1") = "5"
    & skf21("1","3","2","5","2","5","7","1") = "6"
    & skf21("1","3","2","5","2","6","1","1") = "5"
    & skf21("1","3","2","5","2","6","2","1") = "5"
    & skf21("1","3","2","5","2","6","3","1") = "5"
    & skf21("1","3","2","5","2","6","4","1") = "5"
    & skf21("1","3","2","5","2","6","5","1") = "5"
    & skf21("1","3","2","5","2","6","6","1") = "5"
    & skf21("1","3","2","5","2","6","7","1") = "6"
    & skf21("1","3","2","5","2","7","1","1") = "6"
    & skf21("1","3","2","5","2","7","2","1") = "6"
    & skf21("1","3","2","5","2","7","3","1") = "6"
    & skf21("1","3","2","5","2","7","4","1") = "6"
    & skf21("1","3","2","5","2","7","5","1") = "6"
    & skf21("1","3","2","5","2","7","6","1") = "6"
    & skf21("1","3","2","5","2","7","7","1") = "6"
    & skf21("1","3","2","5","3","1","1","1") = "4"
    & skf21("1","3","2","5","3","1","2","1") = "4"
    & skf21("1","3","2","5","3","1","3","1") = "4"
    & skf21("1","3","2","5","3","1","4","1") = "4"
    & skf21("1","3","2","5","3","1","5","1") = "4"
    & skf21("1","3","2","5","3","1","6","1") = "5"
    & skf21("1","3","2","5","3","1","7","1") = "6"
    & skf21("1","3","2","5","3","2","1","1") = "4"
    & skf21("1","3","2","5","3","2","2","1") = "4"
    & skf21("1","3","2","5","3","2","3","1") = "4"
    & skf21("1","3","2","5","3","2","4","1") = "4"
    & skf21("1","3","2","5","3","2","5","1") = "4"
    & skf21("1","3","2","5","3","2","6","1") = "5"
    & skf21("1","3","2","5","3","2","7","1") = "6"
    & skf21("1","3","2","5","3","3","1","1") = "4"
    & skf21("1","3","2","5","3","3","2","1") = "4"
    & skf21("1","3","2","5","3","3","3","1") = "4"
    & skf21("1","3","2","5","3","3","4","1") = "4"
    & skf21("1","3","2","5","3","3","5","1") = "4"
    & skf21("1","3","2","5","3","3","6","1") = "5"
    & skf21("1","3","2","5","3","3","7","1") = "6"
    & skf21("1","3","2","5","3","4","1","1") = "4"
    & skf21("1","3","2","5","3","4","2","1") = "4"
    & skf21("1","3","2","5","3","4","3","1") = "4"
    & skf21("1","3","2","5","3","4","4","1") = "4"
    & skf21("1","3","2","5","3","4","5","1") = "4"
    & skf21("1","3","2","5","3","4","6","1") = "5"
    & skf21("1","3","2","5","3","4","7","1") = "6"
    & skf21("1","3","2","5","3","5","1","1") = "4"
    & skf21("1","3","2","5","3","5","2","1") = "4"
    & skf21("1","3","2","5","3","5","3","1") = "4"
    & skf21("1","3","2","5","3","5","4","1") = "4"
    & skf21("1","3","2","5","3","5","5","1") = "4"
    & skf21("1","3","2","5","3","5","6","1") = "5"
    & skf21("1","3","2","5","3","5","7","1") = "6"
    & skf21("1","3","2","5","3","6","1","1") = "5"
    & skf21("1","3","2","5","3","6","2","1") = "5"
    & skf21("1","3","2","5","3","6","3","1") = "5"
    & skf21("1","3","2","5","3","6","4","1") = "5"
    & skf21("1","3","2","5","3","6","5","1") = "5"
    & skf21("1","3","2","5","3","6","6","1") = "5"
    & skf21("1","3","2","5","3","6","7","1") = "6"
    & skf21("1","3","2","5","3","7","1","1") = "6"
    & skf21("1","3","2","5","3","7","2","1") = "6"
    & skf21("1","3","2","5","3","7","3","1") = "6"
    & skf21("1","3","2","5","3","7","4","1") = "6"
    & skf21("1","3","2","5","3","7","5","1") = "6"
    & skf21("1","3","2","5","3","7","6","1") = "6"
    & skf21("1","3","2","5","3","7","7","1") = "6"
    & skf21("1","3","2","5","4","1","1","1") = "4"
    & skf21("1","3","2","5","4","1","2","1") = "4"
    & skf21("1","3","2","5","4","1","3","1") = "4"
    & skf21("1","3","2","5","4","1","4","1") = "4"
    & skf21("1","3","2","5","4","1","5","1") = "4"
    & skf21("1","3","2","5","4","1","6","1") = "5"
    & skf21("1","3","2","5","4","1","7","1") = "6"
    & skf21("1","3","2","5","4","2","1","1") = "4"
    & skf21("1","3","2","5","4","2","2","1") = "4"
    & skf21("1","3","2","5","4","2","3","1") = "4"
    & skf21("1","3","2","5","4","2","4","1") = "4"
    & skf21("1","3","2","5","4","2","5","1") = "4"
    & skf21("1","3","2","5","4","2","6","1") = "5"
    & skf21("1","3","2","5","4","2","7","1") = "6"
    & skf21("1","3","2","5","4","3","1","1") = "4"
    & skf21("1","3","2","5","4","3","2","1") = "4"
    & skf21("1","3","2","5","4","3","3","1") = "4"
    & skf21("1","3","2","5","4","3","4","1") = "4"
    & skf21("1","3","2","5","4","3","5","1") = "4"
    & skf21("1","3","2","5","4","3","6","1") = "5"
    & skf21("1","3","2","5","4","3","7","1") = "6"
    & skf21("1","3","2","5","4","4","1","1") = "4"
    & skf21("1","3","2","5","4","4","2","1") = "4"
    & skf21("1","3","2","5","4","4","3","1") = "4"
    & skf21("1","3","2","5","4","4","4","1") = "4"
    & skf21("1","3","2","5","4","4","5","1") = "4"
    & skf21("1","3","2","5","4","4","6","1") = "5"
    & skf21("1","3","2","5","4","4","7","1") = "6"
    & skf21("1","3","2","5","4","5","1","1") = "4"
    & skf21("1","3","2","5","4","5","2","1") = "4"
    & skf21("1","3","2","5","4","5","3","1") = "4"
    & skf21("1","3","2","5","4","5","4","1") = "4"
    & skf21("1","3","2","5","4","5","5","1") = "4"
    & skf21("1","3","2","5","4","5","6","1") = "5"
    & skf21("1","3","2","5","4","5","7","1") = "6"
    & skf21("1","3","2","5","4","6","1","1") = "5"
    & skf21("1","3","2","5","4","6","2","1") = "5"
    & skf21("1","3","2","5","4","6","3","1") = "5"
    & skf21("1","3","2","5","4","6","4","1") = "5"
    & skf21("1","3","2","5","4","6","5","1") = "5"
    & skf21("1","3","2","5","4","6","6","1") = "5"
    & skf21("1","3","2","5","4","6","7","1") = "6"
    & skf21("1","3","2","5","4","7","1","1") = "6"
    & skf21("1","3","2","5","4","7","2","1") = "6"
    & skf21("1","3","2","5","4","7","3","1") = "6"
    & skf21("1","3","2","5","4","7","4","1") = "6"
    & skf21("1","3","2","5","4","7","5","1") = "6"
    & skf21("1","3","2","5","4","7","6","1") = "6"
    & skf21("1","3","2","5","4","7","7","1") = "6"
    & skf21("1","3","2","5","5","1","1","1") = "4"
    & skf21("1","3","2","5","5","1","2","1") = "4"
    & skf21("1","3","2","5","5","1","3","1") = "4"
    & skf21("1","3","2","5","5","1","4","1") = "4"
    & skf21("1","3","2","5","5","1","5","1") = "4"
    & skf21("1","3","2","5","5","1","6","1") = "5"
    & skf21("1","3","2","5","5","1","7","1") = "6"
    & skf21("1","3","2","5","5","2","1","1") = "4"
    & skf21("1","3","2","5","5","2","2","1") = "4"
    & skf21("1","3","2","5","5","2","3","1") = "4"
    & skf21("1","3","2","5","5","2","4","1") = "4"
    & skf21("1","3","2","5","5","2","5","1") = "4"
    & skf21("1","3","2","5","5","2","6","1") = "5"
    & skf21("1","3","2","5","5","2","7","1") = "6"
    & skf21("1","3","2","5","5","3","1","1") = "4"
    & skf21("1","3","2","5","5","3","2","1") = "4"
    & skf21("1","3","2","5","5","3","3","1") = "4"
    & skf21("1","3","2","5","5","3","4","1") = "4"
    & skf21("1","3","2","5","5","3","5","1") = "4"
    & skf21("1","3","2","5","5","3","6","1") = "5"
    & skf21("1","3","2","5","5","3","7","1") = "6"
    & skf21("1","3","2","5","5","4","1","1") = "4"
    & skf21("1","3","2","5","5","4","2","1") = "4"
    & skf21("1","3","2","5","5","4","3","1") = "4"
    & skf21("1","3","2","5","5","4","4","1") = "4"
    & skf21("1","3","2","5","5","4","5","1") = "4"
    & skf21("1","3","2","5","5","4","6","1") = "5"
    & skf21("1","3","2","5","5","4","7","1") = "6"
    & skf21("1","3","2","5","5","5","1","1") = "4"
    & skf21("1","3","2","5","5","5","2","1") = "4"
    & skf21("1","3","2","5","5","5","3","1") = "4"
    & skf21("1","3","2","5","5","5","4","1") = "4"
    & skf21("1","3","2","5","5","5","5","1") = "4"
    & skf21("1","3","2","5","5","5","6","1") = "5"
    & skf21("1","3","2","5","5","5","7","1") = "6"
    & skf21("1","3","2","5","5","6","1","1") = "5"
    & skf21("1","3","2","5","5","6","2","1") = "5"
    & skf21("1","3","2","5","5","6","3","1") = "5"
    & skf21("1","3","2","5","5","6","4","1") = "5"
    & skf21("1","3","2","5","5","6","5","1") = "5"
    & skf21("1","3","2","5","5","6","6","1") = "5"
    & skf21("1","3","2","5","5","6","7","1") = "6"
    & skf21("1","3","2","5","5","7","1","1") = "6"
    & skf21("1","3","2","5","5","7","2","1") = "6"
    & skf21("1","3","2","5","5","7","3","1") = "6"
    & skf21("1","3","2","5","5","7","4","1") = "6"
    & skf21("1","3","2","5","5","7","5","1") = "6"
    & skf21("1","3","2","5","5","7","6","1") = "6"
    & skf21("1","3","2","5","5","7","7","1") = "6"
    & skf21("1","3","2","5","6","1","1","1") = "5"
    & skf21("1","3","2","5","6","1","2","1") = "5"
    & skf21("1","3","2","5","6","1","3","1") = "5"
    & skf21("1","3","2","5","6","1","4","1") = "5"
    & skf21("1","3","2","5","6","1","5","1") = "5"
    & skf21("1","3","2","5","6","1","6","1") = "5"
    & skf21("1","3","2","5","6","1","7","1") = "6"
    & skf21("1","3","2","5","6","2","1","1") = "5"
    & skf21("1","3","2","5","6","2","2","1") = "5"
    & skf21("1","3","2","5","6","2","3","1") = "5"
    & skf21("1","3","2","5","6","2","4","1") = "5"
    & skf21("1","3","2","5","6","2","5","1") = "5"
    & skf21("1","3","2","5","6","2","6","1") = "5"
    & skf21("1","3","2","5","6","2","7","1") = "6"
    & skf21("1","3","2","5","6","3","1","1") = "5"
    & skf21("1","3","2","5","6","3","2","1") = "5"
    & skf21("1","3","2","5","6","3","3","1") = "5"
    & skf21("1","3","2","5","6","3","4","1") = "5"
    & skf21("1","3","2","5","6","3","5","1") = "5"
    & skf21("1","3","2","5","6","3","6","1") = "5"
    & skf21("1","3","2","5","6","3","7","1") = "6"
    & skf21("1","3","2","5","6","4","1","1") = "5"
    & skf21("1","3","2","5","6","4","2","1") = "5"
    & skf21("1","3","2","5","6","4","3","1") = "5"
    & skf21("1","3","2","5","6","4","4","1") = "5"
    & skf21("1","3","2","5","6","4","5","1") = "5"
    & skf21("1","3","2","5","6","4","6","1") = "5"
    & skf21("1","3","2","5","6","4","7","1") = "6"
    & skf21("1","3","2","5","6","5","1","1") = "5"
    & skf21("1","3","2","5","6","5","2","1") = "5"
    & skf21("1","3","2","5","6","5","3","1") = "5"
    & skf21("1","3","2","5","6","5","4","1") = "5"
    & skf21("1","3","2","5","6","5","5","1") = "5"
    & skf21("1","3","2","5","6","5","6","1") = "5"
    & skf21("1","3","2","5","6","5","7","1") = "6"
    & skf21("1","3","2","5","6","6","1","1") = "5"
    & skf21("1","3","2","5","6","6","2","1") = "5"
    & skf21("1","3","2","5","6","6","3","1") = "5"
    & skf21("1","3","2","5","6","6","4","1") = "5"
    & skf21("1","3","2","5","6","6","5","1") = "5"
    & skf21("1","3","2","5","6","6","6","1") = "5"
    & skf21("1","3","2","5","6","6","7","1") = "6"
    & skf21("1","3","2","5","6","7","1","1") = "6"
    & skf21("1","3","2","5","6","7","2","1") = "6"
    & skf21("1","3","2","5","6","7","3","1") = "6"
    & skf21("1","3","2","5","6","7","4","1") = "6"
    & skf21("1","3","2","5","6","7","5","1") = "6"
    & skf21("1","3","2","5","6","7","6","1") = "6"
    & skf21("1","3","2","5","6","7","7","1") = "6"
    & skf21("1","3","2","5","7","1","1","1") = "6"
    & skf21("1","3","2","5","7","1","2","1") = "6"
    & skf21("1","3","2","5","7","1","3","1") = "6"
    & skf21("1","3","2","5","7","1","4","1") = "6"
    & skf21("1","3","2","5","7","1","5","1") = "6"
    & skf21("1","3","2","5","7","1","6","1") = "6"
    & skf21("1","3","2","5","7","1","7","1") = "6"
    & skf21("1","3","2","5","7","2","1","1") = "6"
    & skf21("1","3","2","5","7","2","2","1") = "6"
    & skf21("1","3","2","5","7","2","3","1") = "6"
    & skf21("1","3","2","5","7","2","4","1") = "6"
    & skf21("1","3","2","5","7","2","5","1") = "6"
    & skf21("1","3","2","5","7","2","6","1") = "6"
    & skf21("1","3","2","5","7","2","7","1") = "6"
    & skf21("1","3","2","5","7","3","1","1") = "6"
    & skf21("1","3","2","5","7","3","2","1") = "6"
    & skf21("1","3","2","5","7","3","3","1") = "6"
    & skf21("1","3","2","5","7","3","4","1") = "6"
    & skf21("1","3","2","5","7","3","5","1") = "6"
    & skf21("1","3","2","5","7","3","6","1") = "6"
    & skf21("1","3","2","5","7","3","7","1") = "6"
    & skf21("1","3","2","5","7","4","1","1") = "6"
    & skf21("1","3","2","5","7","4","2","1") = "6"
    & skf21("1","3","2","5","7","4","3","1") = "6"
    & skf21("1","3","2","5","7","4","4","1") = "6"
    & skf21("1","3","2","5","7","4","5","1") = "6"
    & skf21("1","3","2","5","7","4","6","1") = "6"
    & skf21("1","3","2","5","7","4","7","1") = "6"
    & skf21("1","3","2","5","7","5","1","1") = "6"
    & skf21("1","3","2","5","7","5","2","1") = "6"
    & skf21("1","3","2","5","7","5","3","1") = "6"
    & skf21("1","3","2","5","7","5","4","1") = "6"
    & skf21("1","3","2","5","7","5","5","1") = "6"
    & skf21("1","3","2","5","7","5","6","1") = "6"
    & skf21("1","3","2","5","7","5","7","1") = "6"
    & skf21("1","3","2","5","7","6","1","1") = "6"
    & skf21("1","3","2","5","7","6","2","1") = "6"
    & skf21("1","3","2","5","7","6","3","1") = "6"
    & skf21("1","3","2","5","7","6","4","1") = "6"
    & skf21("1","3","2","5","7","6","5","1") = "6"
    & skf21("1","3","2","5","7","6","6","1") = "6"
    & skf21("1","3","2","5","7","6","7","1") = "6"
    & skf21("1","3","2","5","7","7","1","1") = "6"
    & skf21("1","3","2","5","7","7","2","1") = "6"
    & skf21("1","3","2","5","7","7","3","1") = "6"
    & skf21("1","3","2","5","7","7","4","1") = "6"
    & skf21("1","3","2","5","7","7","5","1") = "6"
    & skf21("1","3","2","5","7","7","6","1") = "6"
    & skf21("1","3","2","5","7","7","7","1") = "6"
    & skf21("1","3","2","6","1","1","1","1") = "5"
    & skf21("1","3","2","6","1","1","2","1") = "5"
    & skf21("1","3","2","6","1","1","3","1") = "5"
    & skf21("1","3","2","6","1","1","4","1") = "5"
    & skf21("1","3","2","6","1","1","5","1") = "5"
    & skf21("1","3","2","6","1","1","6","1") = "5"
    & skf21("1","3","2","6","1","1","7","1") = "6"
    & skf21("1","3","2","6","1","2","1","1") = "5"
    & skf21("1","3","2","6","1","2","2","1") = "5"
    & skf21("1","3","2","6","1","2","3","1") = "5"
    & skf21("1","3","2","6","1","2","4","1") = "5"
    & skf21("1","3","2","6","1","2","5","1") = "5"
    & skf21("1","3","2","6","1","2","6","1") = "5"
    & skf21("1","3","2","6","1","2","7","1") = "6"
    & skf21("1","3","2","6","1","3","1","1") = "5"
    & skf21("1","3","2","6","1","3","2","1") = "5"
    & skf21("1","3","2","6","1","3","3","1") = "5"
    & skf21("1","3","2","6","1","3","4","1") = "5"
    & skf21("1","3","2","6","1","3","5","1") = "5"
    & skf21("1","3","2","6","1","3","6","1") = "5"
    & skf21("1","3","2","6","1","3","7","1") = "6"
    & skf21("1","3","2","6","1","4","1","1") = "5"
    & skf21("1","3","2","6","1","4","2","1") = "5"
    & skf21("1","3","2","6","1","4","3","1") = "5"
    & skf21("1","3","2","6","1","4","4","1") = "5"
    & skf21("1","3","2","6","1","4","5","1") = "5"
    & skf21("1","3","2","6","1","4","6","1") = "5"
    & skf21("1","3","2","6","1","4","7","1") = "6"
    & skf21("1","3","2","6","1","5","1","1") = "5"
    & skf21("1","3","2","6","1","5","2","1") = "5"
    & skf21("1","3","2","6","1","5","3","1") = "5"
    & skf21("1","3","2","6","1","5","4","1") = "5"
    & skf21("1","3","2","6","1","5","5","1") = "5"
    & skf21("1","3","2","6","1","5","6","1") = "5"
    & skf21("1","3","2","6","1","5","7","1") = "6"
    & skf21("1","3","2","6","1","6","1","1") = "5"
    & skf21("1","3","2","6","1","6","2","1") = "5"
    & skf21("1","3","2","6","1","6","3","1") = "5"
    & skf21("1","3","2","6","1","6","4","1") = "5"
    & skf21("1","3","2","6","1","6","5","1") = "5"
    & skf21("1","3","2","6","1","6","6","1") = "5"
    & skf21("1","3","2","6","1","6","7","1") = "6"
    & skf21("1","3","2","6","1","7","1","1") = "6"
    & skf21("1","3","2","6","1","7","2","1") = "6"
    & skf21("1","3","2","6","1","7","3","1") = "6"
    & skf21("1","3","2","6","1","7","4","1") = "6"
    & skf21("1","3","2","6","1","7","5","1") = "6"
    & skf21("1","3","2","6","1","7","6","1") = "6"
    & skf21("1","3","2","6","1","7","7","1") = "6"
    & skf21("1","3","2","6","2","1","1","1") = "5"
    & skf21("1","3","2","6","2","1","2","1") = "5"
    & skf21("1","3","2","6","2","1","3","1") = "5"
    & skf21("1","3","2","6","2","1","4","1") = "5"
    & skf21("1","3","2","6","2","1","5","1") = "5"
    & skf21("1","3","2","6","2","1","6","1") = "5"
    & skf21("1","3","2","6","2","1","7","1") = "6"
    & skf21("1","3","2","6","2","2","1","1") = "5"
    & skf21("1","3","2","6","2","2","2","1") = "5"
    & skf21("1","3","2","6","2","2","3","1") = "5"
    & skf21("1","3","2","6","2","2","4","1") = "5"
    & skf21("1","3","2","6","2","2","5","1") = "5"
    & skf21("1","3","2","6","2","2","6","1") = "5"
    & skf21("1","3","2","6","2","2","7","1") = "6"
    & skf21("1","3","2","6","2","3","1","1") = "5"
    & skf21("1","3","2","6","2","3","2","1") = "5"
    & skf21("1","3","2","6","2","3","3","1") = "5"
    & skf21("1","3","2","6","2","3","4","1") = "5"
    & skf21("1","3","2","6","2","3","5","1") = "5"
    & skf21("1","3","2","6","2","3","6","1") = "5"
    & skf21("1","3","2","6","2","3","7","1") = "6"
    & skf21("1","3","2","6","2","4","1","1") = "5"
    & skf21("1","3","2","6","2","4","2","1") = "5"
    & skf21("1","3","2","6","2","4","3","1") = "5"
    & skf21("1","3","2","6","2","4","4","1") = "5"
    & skf21("1","3","2","6","2","4","5","1") = "5"
    & skf21("1","3","2","6","2","4","6","1") = "5"
    & skf21("1","3","2","6","2","4","7","1") = "6"
    & skf21("1","3","2","6","2","5","1","1") = "5"
    & skf21("1","3","2","6","2","5","2","1") = "5"
    & skf21("1","3","2","6","2","5","3","1") = "5"
    & skf21("1","3","2","6","2","5","4","1") = "5"
    & skf21("1","3","2","6","2","5","5","1") = "5"
    & skf21("1","3","2","6","2","5","6","1") = "5"
    & skf21("1","3","2","6","2","5","7","1") = "6"
    & skf21("1","3","2","6","2","6","1","1") = "5"
    & skf21("1","3","2","6","2","6","2","1") = "5"
    & skf21("1","3","2","6","2","6","3","1") = "5"
    & skf21("1","3","2","6","2","6","4","1") = "5"
    & skf21("1","3","2","6","2","6","5","1") = "5"
    & skf21("1","3","2","6","2","6","6","1") = "5"
    & skf21("1","3","2","6","2","6","7","1") = "6"
    & skf21("1","3","2","6","2","7","1","1") = "6"
    & skf21("1","3","2","6","2","7","2","1") = "6"
    & skf21("1","3","2","6","2","7","3","1") = "6"
    & skf21("1","3","2","6","2","7","4","1") = "6"
    & skf21("1","3","2","6","2","7","5","1") = "6"
    & skf21("1","3","2","6","2","7","6","1") = "6"
    & skf21("1","3","2","6","2","7","7","1") = "6"
    & skf21("1","3","2","6","3","1","1","1") = "5"
    & skf21("1","3","2","6","3","1","2","1") = "5"
    & skf21("1","3","2","6","3","1","3","1") = "5"
    & skf21("1","3","2","6","3","1","4","1") = "5"
    & skf21("1","3","2","6","3","1","5","1") = "5"
    & skf21("1","3","2","6","3","1","6","1") = "5"
    & skf21("1","3","2","6","3","1","7","1") = "6"
    & skf21("1","3","2","6","3","2","1","1") = "5"
    & skf21("1","3","2","6","3","2","2","1") = "5"
    & skf21("1","3","2","6","3","2","3","1") = "5"
    & skf21("1","3","2","6","3","2","4","1") = "5"
    & skf21("1","3","2","6","3","2","5","1") = "5"
    & skf21("1","3","2","6","3","2","6","1") = "5"
    & skf21("1","3","2","6","3","2","7","1") = "6"
    & skf21("1","3","2","6","3","3","1","1") = "5"
    & skf21("1","3","2","6","3","3","2","1") = "5"
    & skf21("1","3","2","6","3","3","3","1") = "5"
    & skf21("1","3","2","6","3","3","4","1") = "5"
    & skf21("1","3","2","6","3","3","5","1") = "5"
    & skf21("1","3","2","6","3","3","6","1") = "5"
    & skf21("1","3","2","6","3","3","7","1") = "6"
    & skf21("1","3","2","6","3","4","1","1") = "5"
    & skf21("1","3","2","6","3","4","2","1") = "5"
    & skf21("1","3","2","6","3","4","3","1") = "5"
    & skf21("1","3","2","6","3","4","4","1") = "5"
    & skf21("1","3","2","6","3","4","5","1") = "5"
    & skf21("1","3","2","6","3","4","6","1") = "5"
    & skf21("1","3","2","6","3","4","7","1") = "6"
    & skf21("1","3","2","6","3","5","1","1") = "5"
    & skf21("1","3","2","6","3","5","2","1") = "5"
    & skf21("1","3","2","6","3","5","3","1") = "5"
    & skf21("1","3","2","6","3","5","4","1") = "5"
    & skf21("1","3","2","6","3","5","5","1") = "5"
    & skf21("1","3","2","6","3","5","6","1") = "5"
    & skf21("1","3","2","6","3","5","7","1") = "6"
    & skf21("1","3","2","6","3","6","1","1") = "5"
    & skf21("1","3","2","6","3","6","2","1") = "5"
    & skf21("1","3","2","6","3","6","3","1") = "5"
    & skf21("1","3","2","6","3","6","4","1") = "5"
    & skf21("1","3","2","6","3","6","5","1") = "5"
    & skf21("1","3","2","6","3","6","6","1") = "5"
    & skf21("1","3","2","6","3","6","7","1") = "6"
    & skf21("1","3","2","6","3","7","1","1") = "6"
    & skf21("1","3","2","6","3","7","2","1") = "6"
    & skf21("1","3","2","6","3","7","3","1") = "6"
    & skf21("1","3","2","6","3","7","4","1") = "6"
    & skf21("1","3","2","6","3","7","5","1") = "6"
    & skf21("1","3","2","6","3","7","6","1") = "6"
    & skf21("1","3","2","6","3","7","7","1") = "6"
    & skf21("1","3","2","6","4","1","1","1") = "5"
    & skf21("1","3","2","6","4","1","2","1") = "5"
    & skf21("1","3","2","6","4","1","3","1") = "5"
    & skf21("1","3","2","6","4","1","4","1") = "5"
    & skf21("1","3","2","6","4","1","5","1") = "5"
    & skf21("1","3","2","6","4","1","6","1") = "5"
    & skf21("1","3","2","6","4","1","7","1") = "6"
    & skf21("1","3","2","6","4","2","1","1") = "5"
    & skf21("1","3","2","6","4","2","2","1") = "5"
    & skf21("1","3","2","6","4","2","3","1") = "5"
    & skf21("1","3","2","6","4","2","4","1") = "5"
    & skf21("1","3","2","6","4","2","5","1") = "5"
    & skf21("1","3","2","6","4","2","6","1") = "5"
    & skf21("1","3","2","6","4","2","7","1") = "6"
    & skf21("1","3","2","6","4","3","1","1") = "5"
    & skf21("1","3","2","6","4","3","2","1") = "5"
    & skf21("1","3","2","6","4","3","3","1") = "5"
    & skf21("1","3","2","6","4","3","4","1") = "5"
    & skf21("1","3","2","6","4","3","5","1") = "5"
    & skf21("1","3","2","6","4","3","6","1") = "5"
    & skf21("1","3","2","6","4","3","7","1") = "6"
    & skf21("1","3","2","6","4","4","1","1") = "5"
    & skf21("1","3","2","6","4","4","2","1") = "5"
    & skf21("1","3","2","6","4","4","3","1") = "5"
    & skf21("1","3","2","6","4","4","4","1") = "5"
    & skf21("1","3","2","6","4","4","5","1") = "5"
    & skf21("1","3","2","6","4","4","6","1") = "5"
    & skf21("1","3","2","6","4","4","7","1") = "6"
    & skf21("1","3","2","6","4","5","1","1") = "5"
    & skf21("1","3","2","6","4","5","2","1") = "5"
    & skf21("1","3","2","6","4","5","3","1") = "5"
    & skf21("1","3","2","6","4","5","4","1") = "5"
    & skf21("1","3","2","6","4","5","5","1") = "5"
    & skf21("1","3","2","6","4","5","6","1") = "5"
    & skf21("1","3","2","6","4","5","7","1") = "6"
    & skf21("1","3","2","6","4","6","1","1") = "5"
    & skf21("1","3","2","6","4","6","2","1") = "5"
    & skf21("1","3","2","6","4","6","3","1") = "5"
    & skf21("1","3","2","6","4","6","4","1") = "5"
    & skf21("1","3","2","6","4","6","5","1") = "5"
    & skf21("1","3","2","6","4","6","6","1") = "5"
    & skf21("1","3","2","6","4","6","7","1") = "6"
    & skf21("1","3","2","6","4","7","1","1") = "6"
    & skf21("1","3","2","6","4","7","2","1") = "6"
    & skf21("1","3","2","6","4","7","3","1") = "6"
    & skf21("1","3","2","6","4","7","4","1") = "6"
    & skf21("1","3","2","6","4","7","5","1") = "6"
    & skf21("1","3","2","6","4","7","6","1") = "6"
    & skf21("1","3","2","6","4","7","7","1") = "6"
    & skf21("1","3","2","6","5","1","1","1") = "5"
    & skf21("1","3","2","6","5","1","2","1") = "5"
    & skf21("1","3","2","6","5","1","3","1") = "5"
    & skf21("1","3","2","6","5","1","4","1") = "5"
    & skf21("1","3","2","6","5","1","5","1") = "5"
    & skf21("1","3","2","6","5","1","6","1") = "5"
    & skf21("1","3","2","6","5","1","7","1") = "6"
    & skf21("1","3","2","6","5","2","1","1") = "5"
    & skf21("1","3","2","6","5","2","2","1") = "5"
    & skf21("1","3","2","6","5","2","3","1") = "5"
    & skf21("1","3","2","6","5","2","4","1") = "5"
    & skf21("1","3","2","6","5","2","5","1") = "5"
    & skf21("1","3","2","6","5","2","6","1") = "5"
    & skf21("1","3","2","6","5","2","7","1") = "6"
    & skf21("1","3","2","6","5","3","1","1") = "5"
    & skf21("1","3","2","6","5","3","2","1") = "5"
    & skf21("1","3","2","6","5","3","3","1") = "5"
    & skf21("1","3","2","6","5","3","4","1") = "5"
    & skf21("1","3","2","6","5","3","5","1") = "5"
    & skf21("1","3","2","6","5","3","6","1") = "5"
    & skf21("1","3","2","6","5","3","7","1") = "6"
    & skf21("1","3","2","6","5","4","1","1") = "5"
    & skf21("1","3","2","6","5","4","2","1") = "5"
    & skf21("1","3","2","6","5","4","3","1") = "5"
    & skf21("1","3","2","6","5","4","4","1") = "5"
    & skf21("1","3","2","6","5","4","5","1") = "5"
    & skf21("1","3","2","6","5","4","6","1") = "5"
    & skf21("1","3","2","6","5","4","7","1") = "6"
    & skf21("1","3","2","6","5","5","1","1") = "5"
    & skf21("1","3","2","6","5","5","2","1") = "5"
    & skf21("1","3","2","6","5","5","3","1") = "5"
    & skf21("1","3","2","6","5","5","4","1") = "5"
    & skf21("1","3","2","6","5","5","5","1") = "5"
    & skf21("1","3","2","6","5","5","6","1") = "5"
    & skf21("1","3","2","6","5","5","7","1") = "6"
    & skf21("1","3","2","6","5","6","1","1") = "5"
    & skf21("1","3","2","6","5","6","2","1") = "5"
    & skf21("1","3","2","6","5","6","3","1") = "5"
    & skf21("1","3","2","6","5","6","4","1") = "5"
    & skf21("1","3","2","6","5","6","5","1") = "5"
    & skf21("1","3","2","6","5","6","6","1") = "5"
    & skf21("1","3","2","6","5","6","7","1") = "6"
    & skf21("1","3","2","6","5","7","1","1") = "6"
    & skf21("1","3","2","6","5","7","2","1") = "6"
    & skf21("1","3","2","6","5","7","3","1") = "6"
    & skf21("1","3","2","6","5","7","4","1") = "6"
    & skf21("1","3","2","6","5","7","5","1") = "6"
    & skf21("1","3","2","6","5","7","6","1") = "6"
    & skf21("1","3","2","6","5","7","7","1") = "6"
    & skf21("1","3","2","6","6","1","1","1") = "5"
    & skf21("1","3","2","6","6","1","2","1") = "5"
    & skf21("1","3","2","6","6","1","3","1") = "5"
    & skf21("1","3","2","6","6","1","4","1") = "5"
    & skf21("1","3","2","6","6","1","5","1") = "5"
    & skf21("1","3","2","6","6","1","6","1") = "5"
    & skf21("1","3","2","6","6","1","7","1") = "6"
    & skf21("1","3","2","6","6","2","1","1") = "5"
    & skf21("1","3","2","6","6","2","2","1") = "5"
    & skf21("1","3","2","6","6","2","3","1") = "5"
    & skf21("1","3","2","6","6","2","4","1") = "5"
    & skf21("1","3","2","6","6","2","5","1") = "5"
    & skf21("1","3","2","6","6","2","6","1") = "5"
    & skf21("1","3","2","6","6","2","7","1") = "6"
    & skf21("1","3","2","6","6","3","1","1") = "5"
    & skf21("1","3","2","6","6","3","2","1") = "5"
    & skf21("1","3","2","6","6","3","3","1") = "5"
    & skf21("1","3","2","6","6","3","4","1") = "5"
    & skf21("1","3","2","6","6","3","5","1") = "5"
    & skf21("1","3","2","6","6","3","6","1") = "5"
    & skf21("1","3","2","6","6","3","7","1") = "6"
    & skf21("1","3","2","6","6","4","1","1") = "5"
    & skf21("1","3","2","6","6","4","2","1") = "5"
    & skf21("1","3","2","6","6","4","3","1") = "5"
    & skf21("1","3","2","6","6","4","4","1") = "5"
    & skf21("1","3","2","6","6","4","5","1") = "5"
    & skf21("1","3","2","6","6","4","6","1") = "5"
    & skf21("1","3","2","6","6","4","7","1") = "6"
    & skf21("1","3","2","6","6","5","1","1") = "5"
    & skf21("1","3","2","6","6","5","2","1") = "5"
    & skf21("1","3","2","6","6","5","3","1") = "5"
    & skf21("1","3","2","6","6","5","4","1") = "5"
    & skf21("1","3","2","6","6","5","5","1") = "5"
    & skf21("1","3","2","6","6","5","6","1") = "5"
    & skf21("1","3","2","6","6","5","7","1") = "6"
    & skf21("1","3","2","6","6","6","1","1") = "5"
    & skf21("1","3","2","6","6","6","2","1") = "5"
    & skf21("1","3","2","6","6","6","3","1") = "5"
    & skf21("1","3","2","6","6","6","4","1") = "5"
    & skf21("1","3","2","6","6","6","5","1") = "5"
    & skf21("1","3","2","6","6","6","6","1") = "5"
    & skf21("1","3","2","6","6","6","7","1") = "6"
    & skf21("1","3","2","6","6","7","1","1") = "6"
    & skf21("1","3","2","6","6","7","2","1") = "6"
    & skf21("1","3","2","6","6","7","3","1") = "6"
    & skf21("1","3","2","6","6","7","4","1") = "6"
    & skf21("1","3","2","6","6","7","5","1") = "6"
    & skf21("1","3","2","6","6","7","6","1") = "6"
    & skf21("1","3","2","6","6","7","7","1") = "6"
    & skf21("1","3","2","6","7","1","1","1") = "6"
    & skf21("1","3","2","6","7","1","2","1") = "6"
    & skf21("1","3","2","6","7","1","3","1") = "6"
    & skf21("1","3","2","6","7","1","4","1") = "6"
    & skf21("1","3","2","6","7","1","5","1") = "6"
    & skf21("1","3","2","6","7","1","6","1") = "6"
    & skf21("1","3","2","6","7","1","7","1") = "6"
    & skf21("1","3","2","6","7","2","1","1") = "6"
    & skf21("1","3","2","6","7","2","2","1") = "6"
    & skf21("1","3","2","6","7","2","3","1") = "6"
    & skf21("1","3","2","6","7","2","4","1") = "6"
    & skf21("1","3","2","6","7","2","5","1") = "6"
    & skf21("1","3","2","6","7","2","6","1") = "6"
    & skf21("1","3","2","6","7","2","7","1") = "6"
    & skf21("1","3","2","6","7","3","1","1") = "6"
    & skf21("1","3","2","6","7","3","2","1") = "6"
    & skf21("1","3","2","6","7","3","3","1") = "6"
    & skf21("1","3","2","6","7","3","4","1") = "6"
    & skf21("1","3","2","6","7","3","5","1") = "6"
    & skf21("1","3","2","6","7","3","6","1") = "6"
    & skf21("1","3","2","6","7","3","7","1") = "6"
    & skf21("1","3","2","6","7","4","1","1") = "6"
    & skf21("1","3","2","6","7","4","2","1") = "6"
    & skf21("1","3","2","6","7","4","3","1") = "6"
    & skf21("1","3","2","6","7","4","4","1") = "6"
    & skf21("1","3","2","6","7","4","5","1") = "6"
    & skf21("1","3","2","6","7","4","6","1") = "6"
    & skf21("1","3","2","6","7","4","7","1") = "6"
    & skf21("1","3","2","6","7","5","1","1") = "6"
    & skf21("1","3","2","6","7","5","2","1") = "6"
    & skf21("1","3","2","6","7","5","3","1") = "6"
    & skf21("1","3","2","6","7","5","4","1") = "6"
    & skf21("1","3","2","6","7","5","5","1") = "6"
    & skf21("1","3","2","6","7","5","6","1") = "6"
    & skf21("1","3","2","6","7","5","7","1") = "6"
    & skf21("1","3","2","6","7","6","1","1") = "6"
    & skf21("1","3","2","6","7","6","2","1") = "6"
    & skf21("1","3","2","6","7","6","3","1") = "6"
    & skf21("1","3","2","6","7","6","4","1") = "6"
    & skf21("1","3","2","6","7","6","5","1") = "6"
    & skf21("1","3","2","6","7","6","6","1") = "6"
    & skf21("1","3","2","6","7","6","7","1") = "6"
    & skf21("1","3","2","6","7","7","1","1") = "6"
    & skf21("1","3","2","6","7","7","2","1") = "6"
    & skf21("1","3","2","6","7","7","3","1") = "6"
    & skf21("1","3","2","6","7","7","4","1") = "6"
    & skf21("1","3","2","6","7","7","5","1") = "6"
    & skf21("1","3","2","6","7","7","6","1") = "6"
    & skf21("1","3","2","6","7","7","7","1") = "6"
    & skf21("1","3","2","7","1","1","1","1") = "6"
    & skf21("1","3","2","7","1","1","2","1") = "6"
    & skf21("1","3","2","7","1","1","3","1") = "6"
    & skf21("1","3","2","7","1","1","4","1") = "6"
    & skf21("1","3","2","7","1","1","5","1") = "6"
    & skf21("1","3","2","7","1","1","6","1") = "6"
    & skf21("1","3","2","7","1","1","7","1") = "6"
    & skf21("1","3","2","7","1","2","1","1") = "6"
    & skf21("1","3","2","7","1","2","2","1") = "6"
    & skf21("1","3","2","7","1","2","3","1") = "6"
    & skf21("1","3","2","7","1","2","4","1") = "6"
    & skf21("1","3","2","7","1","2","5","1") = "6"
    & skf21("1","3","2","7","1","2","6","1") = "6"
    & skf21("1","3","2","7","1","2","7","1") = "6"
    & skf21("1","3","2","7","1","3","1","1") = "6"
    & skf21("1","3","2","7","1","3","2","1") = "6"
    & skf21("1","3","2","7","1","3","3","1") = "6"
    & skf21("1","3","2","7","1","3","4","1") = "6"
    & skf21("1","3","2","7","1","3","5","1") = "6"
    & skf21("1","3","2","7","1","3","6","1") = "6"
    & skf21("1","3","2","7","1","3","7","1") = "6"
    & skf21("1","3","2","7","1","4","1","1") = "6"
    & skf21("1","3","2","7","1","4","2","1") = "6"
    & skf21("1","3","2","7","1","4","3","1") = "6"
    & skf21("1","3","2","7","1","4","4","1") = "6"
    & skf21("1","3","2","7","1","4","5","1") = "6"
    & skf21("1","3","2","7","1","4","6","1") = "6"
    & skf21("1","3","2","7","1","4","7","1") = "6"
    & skf21("1","3","2","7","1","5","1","1") = "6"
    & skf21("1","3","2","7","1","5","2","1") = "6"
    & skf21("1","3","2","7","1","5","3","1") = "6"
    & skf21("1","3","2","7","1","5","4","1") = "6"
    & skf21("1","3","2","7","1","5","5","1") = "6"
    & skf21("1","3","2","7","1","5","6","1") = "6"
    & skf21("1","3","2","7","1","5","7","1") = "6"
    & skf21("1","3","2","7","1","6","1","1") = "6"
    & skf21("1","3","2","7","1","6","2","1") = "6"
    & skf21("1","3","2","7","1","6","3","1") = "6"
    & skf21("1","3","2","7","1","6","4","1") = "6"
    & skf21("1","3","2","7","1","6","5","1") = "6"
    & skf21("1","3","2","7","1","6","6","1") = "6"
    & skf21("1","3","2","7","1","6","7","1") = "6"
    & skf21("1","3","2","7","1","7","1","1") = "6"
    & skf21("1","3","2","7","1","7","2","1") = "6"
    & skf21("1","3","2","7","1","7","3","1") = "6"
    & skf21("1","3","2","7","1","7","4","1") = "6"
    & skf21("1","3","2","7","1","7","5","1") = "6"
    & skf21("1","3","2","7","1","7","6","1") = "6"
    & skf21("1","3","2","7","1","7","7","1") = "6"
    & skf21("1","3","2","7","2","1","1","1") = "6"
    & skf21("1","3","2","7","2","1","2","1") = "6"
    & skf21("1","3","2","7","2","1","3","1") = "6"
    & skf21("1","3","2","7","2","1","4","1") = "6"
    & skf21("1","3","2","7","2","1","5","1") = "6"
    & skf21("1","3","2","7","2","1","6","1") = "6"
    & skf21("1","3","2","7","2","1","7","1") = "6"
    & skf21("1","3","2","7","2","2","1","1") = "6"
    & skf21("1","3","2","7","2","2","2","1") = "6"
    & skf21("1","3","2","7","2","2","3","1") = "6"
    & skf21("1","3","2","7","2","2","4","1") = "6"
    & skf21("1","3","2","7","2","2","5","1") = "6"
    & skf21("1","3","2","7","2","2","6","1") = "6"
    & skf21("1","3","2","7","2","2","7","1") = "6"
    & skf21("1","3","2","7","2","3","1","1") = "6"
    & skf21("1","3","2","7","2","3","2","1") = "6"
    & skf21("1","3","2","7","2","3","3","1") = "6"
    & skf21("1","3","2","7","2","3","4","1") = "6"
    & skf21("1","3","2","7","2","3","5","1") = "6"
    & skf21("1","3","2","7","2","3","6","1") = "6"
    & skf21("1","3","2","7","2","3","7","1") = "6"
    & skf21("1","3","2","7","2","4","1","1") = "6"
    & skf21("1","3","2","7","2","4","2","1") = "6"
    & skf21("1","3","2","7","2","4","3","1") = "6"
    & skf21("1","3","2","7","2","4","4","1") = "6"
    & skf21("1","3","2","7","2","4","5","1") = "6"
    & skf21("1","3","2","7","2","4","6","1") = "6"
    & skf21("1","3","2","7","2","4","7","1") = "6"
    & skf21("1","3","2","7","2","5","1","1") = "6"
    & skf21("1","3","2","7","2","5","2","1") = "6"
    & skf21("1","3","2","7","2","5","3","1") = "6"
    & skf21("1","3","2","7","2","5","4","1") = "6"
    & skf21("1","3","2","7","2","5","5","1") = "6"
    & skf21("1","3","2","7","2","5","6","1") = "6"
    & skf21("1","3","2","7","2","5","7","1") = "6"
    & skf21("1","3","2","7","2","6","1","1") = "6"
    & skf21("1","3","2","7","2","6","2","1") = "6"
    & skf21("1","3","2","7","2","6","3","1") = "6"
    & skf21("1","3","2","7","2","6","4","1") = "6"
    & skf21("1","3","2","7","2","6","5","1") = "6"
    & skf21("1","3","2","7","2","6","6","1") = "6"
    & skf21("1","3","2","7","2","6","7","1") = "6"
    & skf21("1","3","2","7","2","7","1","1") = "6"
    & skf21("1","3","2","7","2","7","2","1") = "6"
    & skf21("1","3","2","7","2","7","3","1") = "6"
    & skf21("1","3","2","7","2","7","4","1") = "6"
    & skf21("1","3","2","7","2","7","5","1") = "6"
    & skf21("1","3","2","7","2","7","6","1") = "6"
    & skf21("1","3","2","7","2","7","7","1") = "6"
    & skf21("1","3","2","7","3","1","1","1") = "6"
    & skf21("1","3","2","7","3","1","2","1") = "6"
    & skf21("1","3","2","7","3","1","3","1") = "6"
    & skf21("1","3","2","7","3","1","4","1") = "6"
    & skf21("1","3","2","7","3","1","5","1") = "6"
    & skf21("1","3","2","7","3","1","6","1") = "6"
    & skf21("1","3","2","7","3","1","7","1") = "6"
    & skf21("1","3","2","7","3","2","1","1") = "6"
    & skf21("1","3","2","7","3","2","2","1") = "6"
    & skf21("1","3","2","7","3","2","3","1") = "6"
    & skf21("1","3","2","7","3","2","4","1") = "6"
    & skf21("1","3","2","7","3","2","5","1") = "6"
    & skf21("1","3","2","7","3","2","6","1") = "6"
    & skf21("1","3","2","7","3","2","7","1") = "6"
    & skf21("1","3","2","7","3","3","1","1") = "6"
    & skf21("1","3","2","7","3","3","2","1") = "6"
    & skf21("1","3","2","7","3","3","3","1") = "6"
    & skf21("1","3","2","7","3","3","4","1") = "6"
    & skf21("1","3","2","7","3","3","5","1") = "6"
    & skf21("1","3","2","7","3","3","6","1") = "6"
    & skf21("1","3","2","7","3","3","7","1") = "6"
    & skf21("1","3","2","7","3","4","1","1") = "6"
    & skf21("1","3","2","7","3","4","2","1") = "6"
    & skf21("1","3","2","7","3","4","3","1") = "6"
    & skf21("1","3","2","7","3","4","4","1") = "6"
    & skf21("1","3","2","7","3","4","5","1") = "6"
    & skf21("1","3","2","7","3","4","6","1") = "6"
    & skf21("1","3","2","7","3","4","7","1") = "6"
    & skf21("1","3","2","7","3","5","1","1") = "6"
    & skf21("1","3","2","7","3","5","2","1") = "6"
    & skf21("1","3","2","7","3","5","3","1") = "6"
    & skf21("1","3","2","7","3","5","4","1") = "6"
    & skf21("1","3","2","7","3","5","5","1") = "6"
    & skf21("1","3","2","7","3","5","6","1") = "6"
    & skf21("1","3","2","7","3","5","7","1") = "6"
    & skf21("1","3","2","7","3","6","1","1") = "6"
    & skf21("1","3","2","7","3","6","2","1") = "6"
    & skf21("1","3","2","7","3","6","3","1") = "6"
    & skf21("1","3","2","7","3","6","4","1") = "6"
    & skf21("1","3","2","7","3","6","5","1") = "6"
    & skf21("1","3","2","7","3","6","6","1") = "6"
    & skf21("1","3","2","7","3","6","7","1") = "6"
    & skf21("1","3","2","7","3","7","1","1") = "6"
    & skf21("1","3","2","7","3","7","2","1") = "6"
    & skf21("1","3","2","7","3","7","3","1") = "6"
    & skf21("1","3","2","7","3","7","4","1") = "6"
    & skf21("1","3","2","7","3","7","5","1") = "6"
    & skf21("1","3","2","7","3","7","6","1") = "6"
    & skf21("1","3","2","7","3","7","7","1") = "6"
    & skf21("1","3","2","7","4","1","1","1") = "6"
    & skf21("1","3","2","7","4","1","2","1") = "6"
    & skf21("1","3","2","7","4","1","3","1") = "6"
    & skf21("1","3","2","7","4","1","4","1") = "6"
    & skf21("1","3","2","7","4","1","5","1") = "6"
    & skf21("1","3","2","7","4","1","6","1") = "6"
    & skf21("1","3","2","7","4","1","7","1") = "6"
    & skf21("1","3","2","7","4","2","1","1") = "6"
    & skf21("1","3","2","7","4","2","2","1") = "6"
    & skf21("1","3","2","7","4","2","3","1") = "6"
    & skf21("1","3","2","7","4","2","4","1") = "6"
    & skf21("1","3","2","7","4","2","5","1") = "6"
    & skf21("1","3","2","7","4","2","6","1") = "6"
    & skf21("1","3","2","7","4","2","7","1") = "6"
    & skf21("1","3","2","7","4","3","1","1") = "6"
    & skf21("1","3","2","7","4","3","2","1") = "6"
    & skf21("1","3","2","7","4","3","3","1") = "6"
    & skf21("1","3","2","7","4","3","4","1") = "6"
    & skf21("1","3","2","7","4","3","5","1") = "6"
    & skf21("1","3","2","7","4","3","6","1") = "6"
    & skf21("1","3","2","7","4","3","7","1") = "6"
    & skf21("1","3","2","7","4","4","1","1") = "6"
    & skf21("1","3","2","7","4","4","2","1") = "6"
    & skf21("1","3","2","7","4","4","3","1") = "6"
    & skf21("1","3","2","7","4","4","4","1") = "6"
    & skf21("1","3","2","7","4","4","5","1") = "6"
    & skf21("1","3","2","7","4","4","6","1") = "6"
    & skf21("1","3","2","7","4","4","7","1") = "6"
    & skf21("1","3","2","7","4","5","1","1") = "6"
    & skf21("1","3","2","7","4","5","2","1") = "6"
    & skf21("1","3","2","7","4","5","3","1") = "6"
    & skf21("1","3","2","7","4","5","4","1") = "6"
    & skf21("1","3","2","7","4","5","5","1") = "6"
    & skf21("1","3","2","7","4","5","6","1") = "6"
    & skf21("1","3","2","7","4","5","7","1") = "6"
    & skf21("1","3","2","7","4","6","1","1") = "6"
    & skf21("1","3","2","7","4","6","2","1") = "6"
    & skf21("1","3","2","7","4","6","3","1") = "6"
    & skf21("1","3","2","7","4","6","4","1") = "6"
    & skf21("1","3","2","7","4","6","5","1") = "6"
    & skf21("1","3","2","7","4","6","6","1") = "6"
    & skf21("1","3","2","7","4","6","7","1") = "6"
    & skf21("1","3","2","7","4","7","1","1") = "6"
    & skf21("1","3","2","7","4","7","2","1") = "6"
    & skf21("1","3","2","7","4","7","3","1") = "6"
    & skf21("1","3","2","7","4","7","4","1") = "6"
    & skf21("1","3","2","7","4","7","5","1") = "6"
    & skf21("1","3","2","7","4","7","6","1") = "6"
    & skf21("1","3","2","7","4","7","7","1") = "6"
    & skf21("1","3","2","7","5","1","1","1") = "6"
    & skf21("1","3","2","7","5","1","2","1") = "6"
    & skf21("1","3","2","7","5","1","3","1") = "6"
    & skf21("1","3","2","7","5","1","4","1") = "6"
    & skf21("1","3","2","7","5","1","5","1") = "6"
    & skf21("1","3","2","7","5","1","6","1") = "6"
    & skf21("1","3","2","7","5","1","7","1") = "6"
    & skf21("1","3","2","7","5","2","1","1") = "6"
    & skf21("1","3","2","7","5","2","2","1") = "6"
    & skf21("1","3","2","7","5","2","3","1") = "6"
    & skf21("1","3","2","7","5","2","4","1") = "6"
    & skf21("1","3","2","7","5","2","5","1") = "6"
    & skf21("1","3","2","7","5","2","6","1") = "6"
    & skf21("1","3","2","7","5","2","7","1") = "6"
    & skf21("1","3","2","7","5","3","1","1") = "6"
    & skf21("1","3","2","7","5","3","2","1") = "6"
    & skf21("1","3","2","7","5","3","3","1") = "6"
    & skf21("1","3","2","7","5","3","4","1") = "6"
    & skf21("1","3","2","7","5","3","5","1") = "6"
    & skf21("1","3","2","7","5","3","6","1") = "6"
    & skf21("1","3","2","7","5","3","7","1") = "6"
    & skf21("1","3","2","7","5","4","1","1") = "6"
    & skf21("1","3","2","7","5","4","2","1") = "6"
    & skf21("1","3","2","7","5","4","3","1") = "6"
    & skf21("1","3","2","7","5","4","4","1") = "6"
    & skf21("1","3","2","7","5","4","5","1") = "6"
    & skf21("1","3","2","7","5","4","6","1") = "6"
    & skf21("1","3","2","7","5","4","7","1") = "6"
    & skf21("1","3","2","7","5","5","1","1") = "6"
    & skf21("1","3","2","7","5","5","2","1") = "6"
    & skf21("1","3","2","7","5","5","3","1") = "6"
    & skf21("1","3","2","7","5","5","4","1") = "6"
    & skf21("1","3","2","7","5","5","5","1") = "6"
    & skf21("1","3","2","7","5","5","6","1") = "6"
    & skf21("1","3","2","7","5","5","7","1") = "6"
    & skf21("1","3","2","7","5","6","1","1") = "6"
    & skf21("1","3","2","7","5","6","2","1") = "6"
    & skf21("1","3","2","7","5","6","3","1") = "6"
    & skf21("1","3","2","7","5","6","4","1") = "6"
    & skf21("1","3","2","7","5","6","5","1") = "6"
    & skf21("1","3","2","7","5","6","6","1") = "6"
    & skf21("1","3","2","7","5","6","7","1") = "6"
    & skf21("1","3","2","7","5","7","1","1") = "6"
    & skf21("1","3","2","7","5","7","2","1") = "6"
    & skf21("1","3","2","7","5","7","3","1") = "6"
    & skf21("1","3","2","7","5","7","4","1") = "6"
    & skf21("1","3","2","7","5","7","5","1") = "6"
    & skf21("1","3","2","7","5","7","6","1") = "6"
    & skf21("1","3","2","7","5","7","7","1") = "6"
    & skf21("1","3","2","7","6","1","1","1") = "6"
    & skf21("1","3","2","7","6","1","2","1") = "6"
    & skf21("1","3","2","7","6","1","3","1") = "6"
    & skf21("1","3","2","7","6","1","4","1") = "6"
    & skf21("1","3","2","7","6","1","5","1") = "6"
    & skf21("1","3","2","7","6","1","6","1") = "6"
    & skf21("1","3","2","7","6","1","7","1") = "6"
    & skf21("1","3","2","7","6","2","1","1") = "6"
    & skf21("1","3","2","7","6","2","2","1") = "6"
    & skf21("1","3","2","7","6","2","3","1") = "6"
    & skf21("1","3","2","7","6","2","4","1") = "6"
    & skf21("1","3","2","7","6","2","5","1") = "6"
    & skf21("1","3","2","7","6","2","6","1") = "6"
    & skf21("1","3","2","7","6","2","7","1") = "6"
    & skf21("1","3","2","7","6","3","1","1") = "6"
    & skf21("1","3","2","7","6","3","2","1") = "6"
    & skf21("1","3","2","7","6","3","3","1") = "6"
    & skf21("1","3","2","7","6","3","4","1") = "6"
    & skf21("1","3","2","7","6","3","5","1") = "6"
    & skf21("1","3","2","7","6","3","6","1") = "6"
    & skf21("1","3","2","7","6","3","7","1") = "6"
    & skf21("1","3","2","7","6","4","1","1") = "6"
    & skf21("1","3","2","7","6","4","2","1") = "6"
    & skf21("1","3","2","7","6","4","3","1") = "6"
    & skf21("1","3","2","7","6","4","4","1") = "6"
    & skf21("1","3","2","7","6","4","5","1") = "6"
    & skf21("1","3","2","7","6","4","6","1") = "6"
    & skf21("1","3","2","7","6","4","7","1") = "6"
    & skf21("1","3","2","7","6","5","1","1") = "6"
    & skf21("1","3","2","7","6","5","2","1") = "6"
    & skf21("1","3","2","7","6","5","3","1") = "6"
    & skf21("1","3","2","7","6","5","4","1") = "6"
    & skf21("1","3","2","7","6","5","5","1") = "6"
    & skf21("1","3","2","7","6","5","6","1") = "6"
    & skf21("1","3","2","7","6","5","7","1") = "6"
    & skf21("1","3","2","7","6","6","1","1") = "6"
    & skf21("1","3","2","7","6","6","2","1") = "6"
    & skf21("1","3","2","7","6","6","3","1") = "6"
    & skf21("1","3","2","7","6","6","4","1") = "6"
    & skf21("1","3","2","7","6","6","5","1") = "6"
    & skf21("1","3","2","7","6","6","6","1") = "6"
    & skf21("1","3","2","7","6","6","7","1") = "6"
    & skf21("1","3","2","7","6","7","1","1") = "6"
    & skf21("1","3","2","7","6","7","2","1") = "6"
    & skf21("1","3","2","7","6","7","3","1") = "6"
    & skf21("1","3","2","7","6","7","4","1") = "6"
    & skf21("1","3","2","7","6","7","5","1") = "6"
    & skf21("1","3","2","7","6","7","6","1") = "6"
    & skf21("1","3","2","7","6","7","7","1") = "6"
    & skf21("1","3","2","7","7","1","1","1") = "6"
    & skf21("1","3","2","7","7","1","2","1") = "6"
    & skf21("1","3","2","7","7","1","3","1") = "6"
    & skf21("1","3","2","7","7","1","4","1") = "6"
    & skf21("1","3","2","7","7","1","5","1") = "6"
    & skf21("1","3","2","7","7","1","6","1") = "6"
    & skf21("1","3","2","7","7","1","7","1") = "6"
    & skf21("1","3","2","7","7","2","1","1") = "6"
    & skf21("1","3","2","7","7","2","2","1") = "6"
    & skf21("1","3","2","7","7","2","3","1") = "6"
    & skf21("1","3","2","7","7","2","4","1") = "6"
    & skf21("1","3","2","7","7","2","5","1") = "6"
    & skf21("1","3","2","7","7","2","6","1") = "6"
    & skf21("1","3","2","7","7","2","7","1") = "6"
    & skf21("1","3","2","7","7","3","1","1") = "6"
    & skf21("1","3","2","7","7","3","2","1") = "6"
    & skf21("1","3","2","7","7","3","3","1") = "6"
    & skf21("1","3","2","7","7","3","4","1") = "6"
    & skf21("1","3","2","7","7","3","5","1") = "6"
    & skf21("1","3","2","7","7","3","6","1") = "6"
    & skf21("1","3","2","7","7","3","7","1") = "6"
    & skf21("1","3","2","7","7","4","1","1") = "6"
    & skf21("1","3","2","7","7","4","2","1") = "6"
    & skf21("1","3","2","7","7","4","3","1") = "6"
    & skf21("1","3","2","7","7","4","4","1") = "6"
    & skf21("1","3","2","7","7","4","5","1") = "6"
    & skf21("1","3","2","7","7","4","6","1") = "6"
    & skf21("1","3","2","7","7","4","7","1") = "6"
    & skf21("1","3","2","7","7","5","1","1") = "6"
    & skf21("1","3","2","7","7","5","2","1") = "6"
    & skf21("1","3","2","7","7","5","3","1") = "6"
    & skf21("1","3","2","7","7","5","4","1") = "6"
    & skf21("1","3","2","7","7","5","5","1") = "6"
    & skf21("1","3","2","7","7","5","6","1") = "6"
    & skf21("1","3","2","7","7","5","7","1") = "6"
    & skf21("1","3","2","7","7","6","1","1") = "6"
    & skf21("1","3","2","7","7","6","2","1") = "6"
    & skf21("1","3","2","7","7","6","3","1") = "6"
    & skf21("1","3","2","7","7","6","4","1") = "6"
    & skf21("1","3","2","7","7","6","5","1") = "6"
    & skf21("1","3","2","7","7","6","6","1") = "6"
    & skf21("1","3","2","7","7","6","7","1") = "6"
    & skf21("1","3","2","7","7","7","1","1") = "6"
    & skf21("1","3","2","7","7","7","2","1") = "6"
    & skf21("1","3","2","7","7","7","3","1") = "6"
    & skf21("1","3","2","7","7","7","4","1") = "6"
    & skf21("1","3","2","7","7","7","5","1") = "6"
    & skf21("1","3","2","7","7","7","6","1") = "6"
    & skf21("1","3","2","7","7","7","7","1") = "6"
    & skf21("1","3","3","1","1","1","1","1") = "2"
    & skf21("1","3","3","1","1","1","2","1") = "2"
    & skf21("1","3","3","1","1","1","3","1") = "2"
    & skf21("1","3","3","1","1","1","4","1") = "3"
    & skf21("1","3","3","1","1","1","5","1") = "4"
    & skf21("1","3","3","1","1","1","6","1") = "5"
    & skf21("1","3","3","1","1","1","7","1") = "6"
    & skf21("1","3","3","1","1","2","1","1") = "2"
    & skf21("1","3","3","1","1","2","2","1") = "2"
    & skf21("1","3","3","1","1","2","3","1") = "2"
    & skf21("1","3","3","1","1","2","4","1") = "3"
    & skf21("1","3","3","1","1","2","5","1") = "4"
    & skf21("1","3","3","1","1","2","6","1") = "5"
    & skf21("1","3","3","1","1","2","7","1") = "6"
    & skf21("1","3","3","1","1","3","1","1") = "2"
    & skf21("1","3","3","1","1","3","2","1") = "2"
    & skf21("1","3","3","1","1","3","3","1") = "2"
    & skf21("1","3","3","1","1","3","4","1") = "3"
    & skf21("1","3","3","1","1","3","5","1") = "4"
    & skf21("1","3","3","1","1","3","6","1") = "5"
    & skf21("1","3","3","1","1","3","7","1") = "6"
    & skf21("1","3","3","1","1","4","1","1") = "3"
    & skf21("1","3","3","1","1","4","2","1") = "3"
    & skf21("1","3","3","1","1","4","3","1") = "3"
    & skf21("1","3","3","1","1","4","4","1") = "3"
    & skf21("1","3","3","1","1","4","5","1") = "4"
    & skf21("1","3","3","1","1","4","6","1") = "5"
    & skf21("1","3","3","1","1","4","7","1") = "6"
    & skf21("1","3","3","1","1","5","1","1") = "4"
    & skf21("1","3","3","1","1","5","2","1") = "4"
    & skf21("1","3","3","1","1","5","3","1") = "4"
    & skf21("1","3","3","1","1","5","4","1") = "4"
    & skf21("1","3","3","1","1","5","5","1") = "4"
    & skf21("1","3","3","1","1","5","6","1") = "5"
    & skf21("1","3","3","1","1","5","7","1") = "6"
    & skf21("1","3","3","1","1","6","1","1") = "5"
    & skf21("1","3","3","1","1","6","2","1") = "5"
    & skf21("1","3","3","1","1","6","3","1") = "5"
    & skf21("1","3","3","1","1","6","4","1") = "5"
    & skf21("1","3","3","1","1","6","5","1") = "5"
    & skf21("1","3","3","1","1","6","6","1") = "5"
    & skf21("1","3","3","1","1","6","7","1") = "6"
    & skf21("1","3","3","1","1","7","1","1") = "6"
    & skf21("1","3","3","1","1","7","2","1") = "6"
    & skf21("1","3","3","1","1","7","3","1") = "6"
    & skf21("1","3","3","1","1","7","4","1") = "6"
    & skf21("1","3","3","1","1","7","5","1") = "6"
    & skf21("1","3","3","1","1","7","6","1") = "6"
    & skf21("1","3","3","1","1","7","7","1") = "6"
    & skf21("1","3","3","1","2","1","1","1") = "2"
    & skf21("1","3","3","1","2","1","2","1") = "2"
    & skf21("1","3","3","1","2","1","3","1") = "2"
    & skf21("1","3","3","1","2","1","4","1") = "3"
    & skf21("1","3","3","1","2","1","5","1") = "4"
    & skf21("1","3","3","1","2","1","6","1") = "5"
    & skf21("1","3","3","1","2","1","7","1") = "6"
    & skf21("1","3","3","1","2","2","1","1") = "2"
    & skf21("1","3","3","1","2","2","2","1") = "2"
    & skf21("1","3","3","1","2","2","3","1") = "2"
    & skf21("1","3","3","1","2","2","4","1") = "3"
    & skf21("1","3","3","1","2","2","5","1") = "4"
    & skf21("1","3","3","1","2","2","6","1") = "5"
    & skf21("1","3","3","1","2","2","7","1") = "6"
    & skf21("1","3","3","1","2","3","1","1") = "2"
    & skf21("1","3","3","1","2","3","2","1") = "2"
    & skf21("1","3","3","1","2","3","3","1") = "2"
    & skf21("1","3","3","1","2","3","4","1") = "3"
    & skf21("1","3","3","1","2","3","5","1") = "4"
    & skf21("1","3","3","1","2","3","6","1") = "5"
    & skf21("1","3","3","1","2","3","7","1") = "6"
    & skf21("1","3","3","1","2","4","1","1") = "3"
    & skf21("1","3","3","1","2","4","2","1") = "3"
    & skf21("1","3","3","1","2","4","3","1") = "3"
    & skf21("1","3","3","1","2","4","4","1") = "3"
    & skf21("1","3","3","1","2","4","5","1") = "4"
    & skf21("1","3","3","1","2","4","6","1") = "5"
    & skf21("1","3","3","1","2","4","7","1") = "6"
    & skf21("1","3","3","1","2","5","1","1") = "4"
    & skf21("1","3","3","1","2","5","2","1") = "4"
    & skf21("1","3","3","1","2","5","3","1") = "4"
    & skf21("1","3","3","1","2","5","4","1") = "4"
    & skf21("1","3","3","1","2","5","5","1") = "4"
    & skf21("1","3","3","1","2","5","6","1") = "5"
    & skf21("1","3","3","1","2","5","7","1") = "6"
    & skf21("1","3","3","1","2","6","1","1") = "5"
    & skf21("1","3","3","1","2","6","2","1") = "5"
    & skf21("1","3","3","1","2","6","3","1") = "5"
    & skf21("1","3","3","1","2","6","4","1") = "5"
    & skf21("1","3","3","1","2","6","5","1") = "5"
    & skf21("1","3","3","1","2","6","6","1") = "5"
    & skf21("1","3","3","1","2","6","7","1") = "6"
    & skf21("1","3","3","1","2","7","1","1") = "6"
    & skf21("1","3","3","1","2","7","2","1") = "6"
    & skf21("1","3","3","1","2","7","3","1") = "6"
    & skf21("1","3","3","1","2","7","4","1") = "6"
    & skf21("1","3","3","1","2","7","5","1") = "6"
    & skf21("1","3","3","1","2","7","6","1") = "6"
    & skf21("1","3","3","1","2","7","7","1") = "6"
    & skf21("1","3","3","1","3","1","1","1") = "2"
    & skf21("1","3","3","1","3","1","2","1") = "2"
    & skf21("1","3","3","1","3","1","3","1") = "2"
    & skf21("1","3","3","1","3","1","4","1") = "3"
    & skf21("1","3","3","1","3","1","5","1") = "4"
    & skf21("1","3","3","1","3","1","6","1") = "5"
    & skf21("1","3","3","1","3","1","7","1") = "6"
    & skf21("1","3","3","1","3","2","1","1") = "2"
    & skf21("1","3","3","1","3","2","2","1") = "2"
    & skf21("1","3","3","1","3","2","3","1") = "2"
    & skf21("1","3","3","1","3","2","4","1") = "3"
    & skf21("1","3","3","1","3","2","5","1") = "4"
    & skf21("1","3","3","1","3","2","6","1") = "5"
    & skf21("1","3","3","1","3","2","7","1") = "6"
    & skf21("1","3","3","1","3","3","1","1") = "2"
    & skf21("1","3","3","1","3","3","2","1") = "2"
    & skf21("1","3","3","1","3","3","3","1") = "2"
    & skf21("1","3","3","1","3","3","4","1") = "3"
    & skf21("1","3","3","1","3","3","5","1") = "4"
    & skf21("1","3","3","1","3","3","6","1") = "5"
    & skf21("1","3","3","1","3","3","7","1") = "6"
    & skf21("1","3","3","1","3","4","1","1") = "3"
    & skf21("1","3","3","1","3","4","2","1") = "3"
    & skf21("1","3","3","1","3","4","3","1") = "3"
    & skf21("1","3","3","1","3","4","4","1") = "3"
    & skf21("1","3","3","1","3","4","5","1") = "4"
    & skf21("1","3","3","1","3","4","6","1") = "5"
    & skf21("1","3","3","1","3","4","7","1") = "6"
    & skf21("1","3","3","1","3","5","1","1") = "4"
    & skf21("1","3","3","1","3","5","2","1") = "4"
    & skf21("1","3","3","1","3","5","3","1") = "4"
    & skf21("1","3","3","1","3","5","4","1") = "4"
    & skf21("1","3","3","1","3","5","5","1") = "4"
    & skf21("1","3","3","1","3","5","6","1") = "5"
    & skf21("1","3","3","1","3","5","7","1") = "6"
    & skf21("1","3","3","1","3","6","1","1") = "5"
    & skf21("1","3","3","1","3","6","2","1") = "5"
    & skf21("1","3","3","1","3","6","3","1") = "5"
    & skf21("1","3","3","1","3","6","4","1") = "5"
    & skf21("1","3","3","1","3","6","5","1") = "5"
    & skf21("1","3","3","1","3","6","6","1") = "5"
    & skf21("1","3","3","1","3","6","7","1") = "6"
    & skf21("1","3","3","1","3","7","1","1") = "6"
    & skf21("1","3","3","1","3","7","2","1") = "6"
    & skf21("1","3","3","1","3","7","3","1") = "6"
    & skf21("1","3","3","1","3","7","4","1") = "6"
    & skf21("1","3","3","1","3","7","5","1") = "6"
    & skf21("1","3","3","1","3","7","6","1") = "6"
    & skf21("1","3","3","1","3","7","7","1") = "6"
    & skf21("1","3","3","1","4","1","1","1") = "3"
    & skf21("1","3","3","1","4","1","2","1") = "3"
    & skf21("1","3","3","1","4","1","3","1") = "3"
    & skf21("1","3","3","1","4","1","4","1") = "3"
    & skf21("1","3","3","1","4","1","5","1") = "4"
    & skf21("1","3","3","1","4","1","6","1") = "5"
    & skf21("1","3","3","1","4","1","7","1") = "6"
    & skf21("1","3","3","1","4","2","1","1") = "3"
    & skf21("1","3","3","1","4","2","2","1") = "3"
    & skf21("1","3","3","1","4","2","3","1") = "3"
    & skf21("1","3","3","1","4","2","4","1") = "3"
    & skf21("1","3","3","1","4","2","5","1") = "4"
    & skf21("1","3","3","1","4","2","6","1") = "5"
    & skf21("1","3","3","1","4","2","7","1") = "6"
    & skf21("1","3","3","1","4","3","1","1") = "3"
    & skf21("1","3","3","1","4","3","2","1") = "3"
    & skf21("1","3","3","1","4","3","3","1") = "3"
    & skf21("1","3","3","1","4","3","4","1") = "3"
    & skf21("1","3","3","1","4","3","5","1") = "4"
    & skf21("1","3","3","1","4","3","6","1") = "5"
    & skf21("1","3","3","1","4","3","7","1") = "6"
    & skf21("1","3","3","1","4","4","1","1") = "3"
    & skf21("1","3","3","1","4","4","2","1") = "3"
    & skf21("1","3","3","1","4","4","3","1") = "3"
    & skf21("1","3","3","1","4","4","4","1") = "3"
    & skf21("1","3","3","1","4","4","5","1") = "4"
    & skf21("1","3","3","1","4","4","6","1") = "5"
    & skf21("1","3","3","1","4","4","7","1") = "6"
    & skf21("1","3","3","1","4","5","1","1") = "4"
    & skf21("1","3","3","1","4","5","2","1") = "4"
    & skf21("1","3","3","1","4","5","3","1") = "4"
    & skf21("1","3","3","1","4","5","4","1") = "4"
    & skf21("1","3","3","1","4","5","5","1") = "4"
    & skf21("1","3","3","1","4","5","6","1") = "5"
    & skf21("1","3","3","1","4","5","7","1") = "6"
    & skf21("1","3","3","1","4","6","1","1") = "5"
    & skf21("1","3","3","1","4","6","2","1") = "5"
    & skf21("1","3","3","1","4","6","3","1") = "5"
    & skf21("1","3","3","1","4","6","4","1") = "5"
    & skf21("1","3","3","1","4","6","5","1") = "5"
    & skf21("1","3","3","1","4","6","6","1") = "5"
    & skf21("1","3","3","1","4","6","7","1") = "6"
    & skf21("1","3","3","1","4","7","1","1") = "6"
    & skf21("1","3","3","1","4","7","2","1") = "6"
    & skf21("1","3","3","1","4","7","3","1") = "6"
    & skf21("1","3","3","1","4","7","4","1") = "6"
    & skf21("1","3","3","1","4","7","5","1") = "6"
    & skf21("1","3","3","1","4","7","6","1") = "6"
    & skf21("1","3","3","1","4","7","7","1") = "6"
    & skf21("1","3","3","1","5","1","1","1") = "4"
    & skf21("1","3","3","1","5","1","2","1") = "4"
    & skf21("1","3","3","1","5","1","3","1") = "4"
    & skf21("1","3","3","1","5","1","4","1") = "4"
    & skf21("1","3","3","1","5","1","5","1") = "4"
    & skf21("1","3","3","1","5","1","6","1") = "5"
    & skf21("1","3","3","1","5","1","7","1") = "6"
    & skf21("1","3","3","1","5","2","1","1") = "4"
    & skf21("1","3","3","1","5","2","2","1") = "4"
    & skf21("1","3","3","1","5","2","3","1") = "4"
    & skf21("1","3","3","1","5","2","4","1") = "4"
    & skf21("1","3","3","1","5","2","5","1") = "4"
    & skf21("1","3","3","1","5","2","6","1") = "5"
    & skf21("1","3","3","1","5","2","7","1") = "6"
    & skf21("1","3","3","1","5","3","1","1") = "4"
    & skf21("1","3","3","1","5","3","2","1") = "4"
    & skf21("1","3","3","1","5","3","3","1") = "4"
    & skf21("1","3","3","1","5","3","4","1") = "4"
    & skf21("1","3","3","1","5","3","5","1") = "4"
    & skf21("1","3","3","1","5","3","6","1") = "5"
    & skf21("1","3","3","1","5","3","7","1") = "6"
    & skf21("1","3","3","1","5","4","1","1") = "4"
    & skf21("1","3","3","1","5","4","2","1") = "4"
    & skf21("1","3","3","1","5","4","3","1") = "4"
    & skf21("1","3","3","1","5","4","4","1") = "4"
    & skf21("1","3","3","1","5","4","5","1") = "4"
    & skf21("1","3","3","1","5","4","6","1") = "5"
    & skf21("1","3","3","1","5","4","7","1") = "6"
    & skf21("1","3","3","1","5","5","1","1") = "4"
    & skf21("1","3","3","1","5","5","2","1") = "4"
    & skf21("1","3","3","1","5","5","3","1") = "4"
    & skf21("1","3","3","1","5","5","4","1") = "4"
    & skf21("1","3","3","1","5","5","5","1") = "4"
    & skf21("1","3","3","1","5","5","6","1") = "5"
    & skf21("1","3","3","1","5","5","7","1") = "6"
    & skf21("1","3","3","1","5","6","1","1") = "5"
    & skf21("1","3","3","1","5","6","2","1") = "5"
    & skf21("1","3","3","1","5","6","3","1") = "5"
    & skf21("1","3","3","1","5","6","4","1") = "5"
    & skf21("1","3","3","1","5","6","5","1") = "5"
    & skf21("1","3","3","1","5","6","6","1") = "5"
    & skf21("1","3","3","1","5","6","7","1") = "6"
    & skf21("1","3","3","1","5","7","1","1") = "6"
    & skf21("1","3","3","1","5","7","2","1") = "6"
    & skf21("1","3","3","1","5","7","3","1") = "6"
    & skf21("1","3","3","1","5","7","4","1") = "6"
    & skf21("1","3","3","1","5","7","5","1") = "6"
    & skf21("1","3","3","1","5","7","6","1") = "6"
    & skf21("1","3","3","1","5","7","7","1") = "6"
    & skf21("1","3","3","1","6","1","1","1") = "5"
    & skf21("1","3","3","1","6","1","2","1") = "5"
    & skf21("1","3","3","1","6","1","3","1") = "5"
    & skf21("1","3","3","1","6","1","4","1") = "5"
    & skf21("1","3","3","1","6","1","5","1") = "5"
    & skf21("1","3","3","1","6","1","6","1") = "5"
    & skf21("1","3","3","1","6","1","7","1") = "6"
    & skf21("1","3","3","1","6","2","1","1") = "5"
    & skf21("1","3","3","1","6","2","2","1") = "5"
    & skf21("1","3","3","1","6","2","3","1") = "5"
    & skf21("1","3","3","1","6","2","4","1") = "5"
    & skf21("1","3","3","1","6","2","5","1") = "5"
    & skf21("1","3","3","1","6","2","6","1") = "5"
    & skf21("1","3","3","1","6","2","7","1") = "6"
    & skf21("1","3","3","1","6","3","1","1") = "5"
    & skf21("1","3","3","1","6","3","2","1") = "5"
    & skf21("1","3","3","1","6","3","3","1") = "5"
    & skf21("1","3","3","1","6","3","4","1") = "5"
    & skf21("1","3","3","1","6","3","5","1") = "5"
    & skf21("1","3","3","1","6","3","6","1") = "5"
    & skf21("1","3","3","1","6","3","7","1") = "6"
    & skf21("1","3","3","1","6","4","1","1") = "5"
    & skf21("1","3","3","1","6","4","2","1") = "5"
    & skf21("1","3","3","1","6","4","3","1") = "5"
    & skf21("1","3","3","1","6","4","4","1") = "5"
    & skf21("1","3","3","1","6","4","5","1") = "5"
    & skf21("1","3","3","1","6","4","6","1") = "5"
    & skf21("1","3","3","1","6","4","7","1") = "6"
    & skf21("1","3","3","1","6","5","1","1") = "5"
    & skf21("1","3","3","1","6","5","2","1") = "5"
    & skf21("1","3","3","1","6","5","3","1") = "5"
    & skf21("1","3","3","1","6","5","4","1") = "5"
    & skf21("1","3","3","1","6","5","5","1") = "5"
    & skf21("1","3","3","1","6","5","6","1") = "5"
    & skf21("1","3","3","1","6","5","7","1") = "6"
    & skf21("1","3","3","1","6","6","1","1") = "5"
    & skf21("1","3","3","1","6","6","2","1") = "5"
    & skf21("1","3","3","1","6","6","3","1") = "5"
    & skf21("1","3","3","1","6","6","4","1") = "5"
    & skf21("1","3","3","1","6","6","5","1") = "5"
    & skf21("1","3","3","1","6","6","6","1") = "5"
    & skf21("1","3","3","1","6","6","7","1") = "6"
    & skf21("1","3","3","1","6","7","1","1") = "6"
    & skf21("1","3","3","1","6","7","2","1") = "6"
    & skf21("1","3","3","1","6","7","3","1") = "6"
    & skf21("1","3","3","1","6","7","4","1") = "6"
    & skf21("1","3","3","1","6","7","5","1") = "6"
    & skf21("1","3","3","1","6","7","6","1") = "6"
    & skf21("1","3","3","1","6","7","7","1") = "6"
    & skf21("1","3","3","1","7","1","1","1") = "6"
    & skf21("1","3","3","1","7","1","2","1") = "6"
    & skf21("1","3","3","1","7","1","3","1") = "6"
    & skf21("1","3","3","1","7","1","4","1") = "6"
    & skf21("1","3","3","1","7","1","5","1") = "6"
    & skf21("1","3","3","1","7","1","6","1") = "6"
    & skf21("1","3","3","1","7","1","7","1") = "6"
    & skf21("1","3","3","1","7","2","1","1") = "6"
    & skf21("1","3","3","1","7","2","2","1") = "6"
    & skf21("1","3","3","1","7","2","3","1") = "6"
    & skf21("1","3","3","1","7","2","4","1") = "6"
    & skf21("1","3","3","1","7","2","5","1") = "6"
    & skf21("1","3","3","1","7","2","6","1") = "6"
    & skf21("1","3","3","1","7","2","7","1") = "6"
    & skf21("1","3","3","1","7","3","1","1") = "6"
    & skf21("1","3","3","1","7","3","2","1") = "6"
    & skf21("1","3","3","1","7","3","3","1") = "6"
    & skf21("1","3","3","1","7","3","4","1") = "6"
    & skf21("1","3","3","1","7","3","5","1") = "6"
    & skf21("1","3","3","1","7","3","6","1") = "6"
    & skf21("1","3","3","1","7","3","7","1") = "6"
    & skf21("1","3","3","1","7","4","1","1") = "6"
    & skf21("1","3","3","1","7","4","2","1") = "6"
    & skf21("1","3","3","1","7","4","3","1") = "6"
    & skf21("1","3","3","1","7","4","4","1") = "6"
    & skf21("1","3","3","1","7","4","5","1") = "6"
    & skf21("1","3","3","1","7","4","6","1") = "6"
    & skf21("1","3","3","1","7","4","7","1") = "6"
    & skf21("1","3","3","1","7","5","1","1") = "6"
    & skf21("1","3","3","1","7","5","2","1") = "6"
    & skf21("1","3","3","1","7","5","3","1") = "6"
    & skf21("1","3","3","1","7","5","4","1") = "6"
    & skf21("1","3","3","1","7","5","5","1") = "6"
    & skf21("1","3","3","1","7","5","6","1") = "6"
    & skf21("1","3","3","1","7","5","7","1") = "6"
    & skf21("1","3","3","1","7","6","1","1") = "6"
    & skf21("1","3","3","1","7","6","2","1") = "6"
    & skf21("1","3","3","1","7","6","3","1") = "6"
    & skf21("1","3","3","1","7","6","4","1") = "6"
    & skf21("1","3","3","1","7","6","5","1") = "6"
    & skf21("1","3","3","1","7","6","6","1") = "6"
    & skf21("1","3","3","1","7","6","7","1") = "6"
    & skf21("1","3","3","1","7","7","1","1") = "6"
    & skf21("1","3","3","1","7","7","2","1") = "6"
    & skf21("1","3","3","1","7","7","3","1") = "6"
    & skf21("1","3","3","1","7","7","4","1") = "6"
    & skf21("1","3","3","1","7","7","5","1") = "6"
    & skf21("1","3","3","1","7","7","6","1") = "6"
    & skf21("1","3","3","1","7","7","7","1") = "6"
    & skf21("1","3","3","2","1","1","1","1") = "2"
    & skf21("1","3","3","2","1","1","2","1") = "2"
    & skf21("1","3","3","2","1","1","3","1") = "2"
    & skf21("1","3","3","2","1","1","4","1") = "3"
    & skf21("1","3","3","2","1","1","5","1") = "4"
    & skf21("1","3","3","2","1","1","6","1") = "5"
    & skf21("1","3","3","2","1","1","7","1") = "6"
    & skf21("1","3","3","2","1","2","1","1") = "2"
    & skf21("1","3","3","2","1","2","2","1") = "2"
    & skf21("1","3","3","2","1","2","3","1") = "2"
    & skf21("1","3","3","2","1","2","4","1") = "3"
    & skf21("1","3","3","2","1","2","5","1") = "4"
    & skf21("1","3","3","2","1","2","6","1") = "5"
    & skf21("1","3","3","2","1","2","7","1") = "6"
    & skf21("1","3","3","2","1","3","1","1") = "2"
    & skf21("1","3","3","2","1","3","2","1") = "2"
    & skf21("1","3","3","2","1","3","3","1") = "2"
    & skf21("1","3","3","2","1","3","4","1") = "3"
    & skf21("1","3","3","2","1","3","5","1") = "4"
    & skf21("1","3","3","2","1","3","6","1") = "5"
    & skf21("1","3","3","2","1","3","7","1") = "6"
    & skf21("1","3","3","2","1","4","1","1") = "3"
    & skf21("1","3","3","2","1","4","2","1") = "3"
    & skf21("1","3","3","2","1","4","3","1") = "3"
    & skf21("1","3","3","2","1","4","4","1") = "3"
    & skf21("1","3","3","2","1","4","5","1") = "4"
    & skf21("1","3","3","2","1","4","6","1") = "5"
    & skf21("1","3","3","2","1","4","7","1") = "6"
    & skf21("1","3","3","2","1","5","1","1") = "4"
    & skf21("1","3","3","2","1","5","2","1") = "4"
    & skf21("1","3","3","2","1","5","3","1") = "4"
    & skf21("1","3","3","2","1","5","4","1") = "4"
    & skf21("1","3","3","2","1","5","5","1") = "4"
    & skf21("1","3","3","2","1","5","6","1") = "5"
    & skf21("1","3","3","2","1","5","7","1") = "6"
    & skf21("1","3","3","2","1","6","1","1") = "5"
    & skf21("1","3","3","2","1","6","2","1") = "5"
    & skf21("1","3","3","2","1","6","3","1") = "5"
    & skf21("1","3","3","2","1","6","4","1") = "5"
    & skf21("1","3","3","2","1","6","5","1") = "5"
    & skf21("1","3","3","2","1","6","6","1") = "5"
    & skf21("1","3","3","2","1","6","7","1") = "6"
    & skf21("1","3","3","2","1","7","1","1") = "6"
    & skf21("1","3","3","2","1","7","2","1") = "6"
    & skf21("1","3","3","2","1","7","3","1") = "6"
    & skf21("1","3","3","2","1","7","4","1") = "6"
    & skf21("1","3","3","2","1","7","5","1") = "6"
    & skf21("1","3","3","2","1","7","6","1") = "6"
    & skf21("1","3","3","2","1","7","7","1") = "6"
    & skf21("1","3","3","2","2","1","1","1") = "2"
    & skf21("1","3","3","2","2","1","2","1") = "2"
    & skf21("1","3","3","2","2","1","3","1") = "2"
    & skf21("1","3","3","2","2","1","4","1") = "3"
    & skf21("1","3","3","2","2","1","5","1") = "4"
    & skf21("1","3","3","2","2","1","6","1") = "5"
    & skf21("1","3","3","2","2","1","7","1") = "6"
    & skf21("1","3","3","2","2","2","1","1") = "2"
    & skf21("1","3","3","2","2","2","2","1") = "2"
    & skf21("1","3","3","2","2","2","3","1") = "2"
    & skf21("1","3","3","2","2","2","4","1") = "3"
    & skf21("1","3","3","2","2","2","5","1") = "4"
    & skf21("1","3","3","2","2","2","6","1") = "5"
    & skf21("1","3","3","2","2","2","7","1") = "6"
    & skf21("1","3","3","2","2","3","1","1") = "2"
    & skf21("1","3","3","2","2","3","2","1") = "2"
    & skf21("1","3","3","2","2","3","3","1") = "2"
    & skf21("1","3","3","2","2","3","4","1") = "3"
    & skf21("1","3","3","2","2","3","5","1") = "4"
    & skf21("1","3","3","2","2","3","6","1") = "5"
    & skf21("1","3","3","2","2","3","7","1") = "6"
    & skf21("1","3","3","2","2","4","1","1") = "3"
    & skf21("1","3","3","2","2","4","2","1") = "3"
    & skf21("1","3","3","2","2","4","3","1") = "3"
    & skf21("1","3","3","2","2","4","4","1") = "3"
    & skf21("1","3","3","2","2","4","5","1") = "4"
    & skf21("1","3","3","2","2","4","6","1") = "5"
    & skf21("1","3","3","2","2","4","7","1") = "6"
    & skf21("1","3","3","2","2","5","1","1") = "4"
    & skf21("1","3","3","2","2","5","2","1") = "4"
    & skf21("1","3","3","2","2","5","3","1") = "4"
    & skf21("1","3","3","2","2","5","4","1") = "4"
    & skf21("1","3","3","2","2","5","5","1") = "4"
    & skf21("1","3","3","2","2","5","6","1") = "5"
    & skf21("1","3","3","2","2","5","7","1") = "6"
    & skf21("1","3","3","2","2","6","1","1") = "5"
    & skf21("1","3","3","2","2","6","2","1") = "5"
    & skf21("1","3","3","2","2","6","3","1") = "5"
    & skf21("1","3","3","2","2","6","4","1") = "5"
    & skf21("1","3","3","2","2","6","5","1") = "5"
    & skf21("1","3","3","2","2","6","6","1") = "5"
    & skf21("1","3","3","2","2","6","7","1") = "6"
    & skf21("1","3","3","2","2","7","1","1") = "6"
    & skf21("1","3","3","2","2","7","2","1") = "6"
    & skf21("1","3","3","2","2","7","3","1") = "6"
    & skf21("1","3","3","2","2","7","4","1") = "6"
    & skf21("1","3","3","2","2","7","5","1") = "6"
    & skf21("1","3","3","2","2","7","6","1") = "6"
    & skf21("1","3","3","2","2","7","7","1") = "6"
    & skf21("1","3","3","2","3","1","1","1") = "2"
    & skf21("1","3","3","2","3","1","2","1") = "2"
    & skf21("1","3","3","2","3","1","3","1") = "2"
    & skf21("1","3","3","2","3","1","4","1") = "3"
    & skf21("1","3","3","2","3","1","5","1") = "4"
    & skf21("1","3","3","2","3","1","6","1") = "5"
    & skf21("1","3","3","2","3","1","7","1") = "6"
    & skf21("1","3","3","2","3","2","1","1") = "2"
    & skf21("1","3","3","2","3","2","2","1") = "2"
    & skf21("1","3","3","2","3","2","3","1") = "2"
    & skf21("1","3","3","2","3","2","4","1") = "3"
    & skf21("1","3","3","2","3","2","5","1") = "4"
    & skf21("1","3","3","2","3","2","6","1") = "5"
    & skf21("1","3","3","2","3","2","7","1") = "6"
    & skf21("1","3","3","2","3","3","1","1") = "2"
    & skf21("1","3","3","2","3","3","2","1") = "2"
    & skf21("1","3","3","2","3","3","3","1") = "2"
    & skf21("1","3","3","2","3","3","4","1") = "3"
    & skf21("1","3","3","2","3","3","5","1") = "4"
    & skf21("1","3","3","2","3","3","6","1") = "5"
    & skf21("1","3","3","2","3","3","7","1") = "6"
    & skf21("1","3","3","2","3","4","1","1") = "3"
    & skf21("1","3","3","2","3","4","2","1") = "3"
    & skf21("1","3","3","2","3","4","3","1") = "3"
    & skf21("1","3","3","2","3","4","4","1") = "3"
    & skf21("1","3","3","2","3","4","5","1") = "4"
    & skf21("1","3","3","2","3","4","6","1") = "5"
    & skf21("1","3","3","2","3","4","7","1") = "6"
    & skf21("1","3","3","2","3","5","1","1") = "4"
    & skf21("1","3","3","2","3","5","2","1") = "4"
    & skf21("1","3","3","2","3","5","3","1") = "4"
    & skf21("1","3","3","2","3","5","4","1") = "4"
    & skf21("1","3","3","2","3","5","5","1") = "4"
    & skf21("1","3","3","2","3","5","6","1") = "5"
    & skf21("1","3","3","2","3","5","7","1") = "6"
    & skf21("1","3","3","2","3","6","1","1") = "5"
    & skf21("1","3","3","2","3","6","2","1") = "5"
    & skf21("1","3","3","2","3","6","3","1") = "5"
    & skf21("1","3","3","2","3","6","4","1") = "5"
    & skf21("1","3","3","2","3","6","5","1") = "5"
    & skf21("1","3","3","2","3","6","6","1") = "5"
    & skf21("1","3","3","2","3","6","7","1") = "6"
    & skf21("1","3","3","2","3","7","1","1") = "6"
    & skf21("1","3","3","2","3","7","2","1") = "6"
    & skf21("1","3","3","2","3","7","3","1") = "6"
    & skf21("1","3","3","2","3","7","4","1") = "6"
    & skf21("1","3","3","2","3","7","5","1") = "6"
    & skf21("1","3","3","2","3","7","6","1") = "6"
    & skf21("1","3","3","2","3","7","7","1") = "6"
    & skf21("1","3","3","2","4","1","1","1") = "3"
    & skf21("1","3","3","2","4","1","2","1") = "3"
    & skf21("1","3","3","2","4","1","3","1") = "3"
    & skf21("1","3","3","2","4","1","4","1") = "3"
    & skf21("1","3","3","2","4","1","5","1") = "4"
    & skf21("1","3","3","2","4","1","6","1") = "5"
    & skf21("1","3","3","2","4","1","7","1") = "6"
    & skf21("1","3","3","2","4","2","1","1") = "3"
    & skf21("1","3","3","2","4","2","2","1") = "3"
    & skf21("1","3","3","2","4","2","3","1") = "3"
    & skf21("1","3","3","2","4","2","4","1") = "3"
    & skf21("1","3","3","2","4","2","5","1") = "4"
    & skf21("1","3","3","2","4","2","6","1") = "5"
    & skf21("1","3","3","2","4","2","7","1") = "6"
    & skf21("1","3","3","2","4","3","1","1") = "3"
    & skf21("1","3","3","2","4","3","2","1") = "3"
    & skf21("1","3","3","2","4","3","3","1") = "3"
    & skf21("1","3","3","2","4","3","4","1") = "3"
    & skf21("1","3","3","2","4","3","5","1") = "4"
    & skf21("1","3","3","2","4","3","6","1") = "5"
    & skf21("1","3","3","2","4","3","7","1") = "6"
    & skf21("1","3","3","2","4","4","1","1") = "3"
    & skf21("1","3","3","2","4","4","2","1") = "3"
    & skf21("1","3","3","2","4","4","3","1") = "3"
    & skf21("1","3","3","2","4","4","4","1") = "3"
    & skf21("1","3","3","2","4","4","5","1") = "4"
    & skf21("1","3","3","2","4","4","6","1") = "5"
    & skf21("1","3","3","2","4","4","7","1") = "6"
    & skf21("1","3","3","2","4","5","1","1") = "4"
    & skf21("1","3","3","2","4","5","2","1") = "4"
    & skf21("1","3","3","2","4","5","3","1") = "4"
    & skf21("1","3","3","2","4","5","4","1") = "4"
    & skf21("1","3","3","2","4","5","5","1") = "4"
    & skf21("1","3","3","2","4","5","6","1") = "5"
    & skf21("1","3","3","2","4","5","7","1") = "6"
    & skf21("1","3","3","2","4","6","1","1") = "5"
    & skf21("1","3","3","2","4","6","2","1") = "5"
    & skf21("1","3","3","2","4","6","3","1") = "5"
    & skf21("1","3","3","2","4","6","4","1") = "5"
    & skf21("1","3","3","2","4","6","5","1") = "5"
    & skf21("1","3","3","2","4","6","6","1") = "5"
    & skf21("1","3","3","2","4","6","7","1") = "6"
    & skf21("1","3","3","2","4","7","1","1") = "6"
    & skf21("1","3","3","2","4","7","2","1") = "6"
    & skf21("1","3","3","2","4","7","3","1") = "6"
    & skf21("1","3","3","2","4","7","4","1") = "6"
    & skf21("1","3","3","2","4","7","5","1") = "6"
    & skf21("1","3","3","2","4","7","6","1") = "6"
    & skf21("1","3","3","2","4","7","7","1") = "6"
    & skf21("1","3","3","2","5","1","1","1") = "4"
    & skf21("1","3","3","2","5","1","2","1") = "4"
    & skf21("1","3","3","2","5","1","3","1") = "4"
    & skf21("1","3","3","2","5","1","4","1") = "4"
    & skf21("1","3","3","2","5","1","5","1") = "4"
    & skf21("1","3","3","2","5","1","6","1") = "5"
    & skf21("1","3","3","2","5","1","7","1") = "6"
    & skf21("1","3","3","2","5","2","1","1") = "4"
    & skf21("1","3","3","2","5","2","2","1") = "4"
    & skf21("1","3","3","2","5","2","3","1") = "4"
    & skf21("1","3","3","2","5","2","4","1") = "4"
    & skf21("1","3","3","2","5","2","5","1") = "4"
    & skf21("1","3","3","2","5","2","6","1") = "5"
    & skf21("1","3","3","2","5","2","7","1") = "6"
    & skf21("1","3","3","2","5","3","1","1") = "4"
    & skf21("1","3","3","2","5","3","2","1") = "4"
    & skf21("1","3","3","2","5","3","3","1") = "4"
    & skf21("1","3","3","2","5","3","4","1") = "4"
    & skf21("1","3","3","2","5","3","5","1") = "4"
    & skf21("1","3","3","2","5","3","6","1") = "5"
    & skf21("1","3","3","2","5","3","7","1") = "6"
    & skf21("1","3","3","2","5","4","1","1") = "4"
    & skf21("1","3","3","2","5","4","2","1") = "4"
    & skf21("1","3","3","2","5","4","3","1") = "4"
    & skf21("1","3","3","2","5","4","4","1") = "4"
    & skf21("1","3","3","2","5","4","5","1") = "4"
    & skf21("1","3","3","2","5","4","6","1") = "5"
    & skf21("1","3","3","2","5","4","7","1") = "6"
    & skf21("1","3","3","2","5","5","1","1") = "4"
    & skf21("1","3","3","2","5","5","2","1") = "4"
    & skf21("1","3","3","2","5","5","3","1") = "4"
    & skf21("1","3","3","2","5","5","4","1") = "4"
    & skf21("1","3","3","2","5","5","5","1") = "4"
    & skf21("1","3","3","2","5","5","6","1") = "5"
    & skf21("1","3","3","2","5","5","7","1") = "6"
    & skf21("1","3","3","2","5","6","1","1") = "5"
    & skf21("1","3","3","2","5","6","2","1") = "5"
    & skf21("1","3","3","2","5","6","3","1") = "5"
    & skf21("1","3","3","2","5","6","4","1") = "5"
    & skf21("1","3","3","2","5","6","5","1") = "5"
    & skf21("1","3","3","2","5","6","6","1") = "5"
    & skf21("1","3","3","2","5","6","7","1") = "6"
    & skf21("1","3","3","2","5","7","1","1") = "6"
    & skf21("1","3","3","2","5","7","2","1") = "6"
    & skf21("1","3","3","2","5","7","3","1") = "6"
    & skf21("1","3","3","2","5","7","4","1") = "6"
    & skf21("1","3","3","2","5","7","5","1") = "6"
    & skf21("1","3","3","2","5","7","6","1") = "6"
    & skf21("1","3","3","2","5","7","7","1") = "6"
    & skf21("1","3","3","2","6","1","1","1") = "5"
    & skf21("1","3","3","2","6","1","2","1") = "5"
    & skf21("1","3","3","2","6","1","3","1") = "5"
    & skf21("1","3","3","2","6","1","4","1") = "5"
    & skf21("1","3","3","2","6","1","5","1") = "5"
    & skf21("1","3","3","2","6","1","6","1") = "5"
    & skf21("1","3","3","2","6","1","7","1") = "6"
    & skf21("1","3","3","2","6","2","1","1") = "5"
    & skf21("1","3","3","2","6","2","2","1") = "5"
    & skf21("1","3","3","2","6","2","3","1") = "5"
    & skf21("1","3","3","2","6","2","4","1") = "5"
    & skf21("1","3","3","2","6","2","5","1") = "5"
    & skf21("1","3","3","2","6","2","6","1") = "5"
    & skf21("1","3","3","2","6","2","7","1") = "6"
    & skf21("1","3","3","2","6","3","1","1") = "5"
    & skf21("1","3","3","2","6","3","2","1") = "5"
    & skf21("1","3","3","2","6","3","3","1") = "5"
    & skf21("1","3","3","2","6","3","4","1") = "5"
    & skf21("1","3","3","2","6","3","5","1") = "5"
    & skf21("1","3","3","2","6","3","6","1") = "5"
    & skf21("1","3","3","2","6","3","7","1") = "6"
    & skf21("1","3","3","2","6","4","1","1") = "5"
    & skf21("1","3","3","2","6","4","2","1") = "5"
    & skf21("1","3","3","2","6","4","3","1") = "5"
    & skf21("1","3","3","2","6","4","4","1") = "5"
    & skf21("1","3","3","2","6","4","5","1") = "5"
    & skf21("1","3","3","2","6","4","6","1") = "5"
    & skf21("1","3","3","2","6","4","7","1") = "6"
    & skf21("1","3","3","2","6","5","1","1") = "5"
    & skf21("1","3","3","2","6","5","2","1") = "5"
    & skf21("1","3","3","2","6","5","3","1") = "5"
    & skf21("1","3","3","2","6","5","4","1") = "5"
    & skf21("1","3","3","2","6","5","5","1") = "5"
    & skf21("1","3","3","2","6","5","6","1") = "5"
    & skf21("1","3","3","2","6","5","7","1") = "6"
    & skf21("1","3","3","2","6","6","1","1") = "5"
    & skf21("1","3","3","2","6","6","2","1") = "5"
    & skf21("1","3","3","2","6","6","3","1") = "5"
    & skf21("1","3","3","2","6","6","4","1") = "5"
    & skf21("1","3","3","2","6","6","5","1") = "5"
    & skf21("1","3","3","2","6","6","6","1") = "5"
    & skf21("1","3","3","2","6","6","7","1") = "6"
    & skf21("1","3","3","2","6","7","1","1") = "6"
    & skf21("1","3","3","2","6","7","2","1") = "6"
    & skf21("1","3","3","2","6","7","3","1") = "6"
    & skf21("1","3","3","2","6","7","4","1") = "6"
    & skf21("1","3","3","2","6","7","5","1") = "6"
    & skf21("1","3","3","2","6","7","6","1") = "6"
    & skf21("1","3","3","2","6","7","7","1") = "6"
    & skf21("1","3","3","2","7","1","1","1") = "6"
    & skf21("1","3","3","2","7","1","2","1") = "6"
    & skf21("1","3","3","2","7","1","3","1") = "6"
    & skf21("1","3","3","2","7","1","4","1") = "6"
    & skf21("1","3","3","2","7","1","5","1") = "6"
    & skf21("1","3","3","2","7","1","6","1") = "6"
    & skf21("1","3","3","2","7","1","7","1") = "6"
    & skf21("1","3","3","2","7","2","1","1") = "6"
    & skf21("1","3","3","2","7","2","2","1") = "6"
    & skf21("1","3","3","2","7","2","3","1") = "6"
    & skf21("1","3","3","2","7","2","4","1") = "6"
    & skf21("1","3","3","2","7","2","5","1") = "6"
    & skf21("1","3","3","2","7","2","6","1") = "6"
    & skf21("1","3","3","2","7","2","7","1") = "6"
    & skf21("1","3","3","2","7","3","1","1") = "6"
    & skf21("1","3","3","2","7","3","2","1") = "6"
    & skf21("1","3","3","2","7","3","3","1") = "6"
    & skf21("1","3","3","2","7","3","4","1") = "6"
    & skf21("1","3","3","2","7","3","5","1") = "6"
    & skf21("1","3","3","2","7","3","6","1") = "6"
    & skf21("1","3","3","2","7","3","7","1") = "6"
    & skf21("1","3","3","2","7","4","1","1") = "6"
    & skf21("1","3","3","2","7","4","2","1") = "6"
    & skf21("1","3","3","2","7","4","3","1") = "6"
    & skf21("1","3","3","2","7","4","4","1") = "6"
    & skf21("1","3","3","2","7","4","5","1") = "6"
    & skf21("1","3","3","2","7","4","6","1") = "6"
    & skf21("1","3","3","2","7","4","7","1") = "6"
    & skf21("1","3","3","2","7","5","1","1") = "6"
    & skf21("1","3","3","2","7","5","2","1") = "6"
    & skf21("1","3","3","2","7","5","3","1") = "6"
    & skf21("1","3","3","2","7","5","4","1") = "6"
    & skf21("1","3","3","2","7","5","5","1") = "6"
    & skf21("1","3","3","2","7","5","6","1") = "6"
    & skf21("1","3","3","2","7","5","7","1") = "6"
    & skf21("1","3","3","2","7","6","1","1") = "6"
    & skf21("1","3","3","2","7","6","2","1") = "6"
    & skf21("1","3","3","2","7","6","3","1") = "6"
    & skf21("1","3","3","2","7","6","4","1") = "6"
    & skf21("1","3","3","2","7","6","5","1") = "6"
    & skf21("1","3","3","2","7","6","6","1") = "6"
    & skf21("1","3","3","2","7","6","7","1") = "6"
    & skf21("1","3","3","2","7","7","1","1") = "6"
    & skf21("1","3","3","2","7","7","2","1") = "6"
    & skf21("1","3","3","2","7","7","3","1") = "6"
    & skf21("1","3","3","2","7","7","4","1") = "6"
    & skf21("1","3","3","2","7","7","5","1") = "6"
    & skf21("1","3","3","2","7","7","6","1") = "6"
    & skf21("1","3","3","2","7","7","7","1") = "6"
    & skf21("1","3","3","3","1","1","1","1") = "2"
    & skf21("1","3","3","3","1","1","2","1") = "2"
    & skf21("1","3","3","3","1","1","3","1") = "2"
    & skf21("1","3","3","3","1","1","4","1") = "3"
    & skf21("1","3","3","3","1","1","5","1") = "4"
    & skf21("1","3","3","3","1","1","6","1") = "5"
    & skf21("1","3","3","3","1","1","7","1") = "6"
    & skf21("1","3","3","3","1","2","1","1") = "2"
    & skf21("1","3","3","3","1","2","2","1") = "2"
    & skf21("1","3","3","3","1","2","3","1") = "2"
    & skf21("1","3","3","3","1","2","4","1") = "3"
    & skf21("1","3","3","3","1","2","5","1") = "4"
    & skf21("1","3","3","3","1","2","6","1") = "5"
    & skf21("1","3","3","3","1","2","7","1") = "6"
    & skf21("1","3","3","3","1","3","1","1") = "2"
    & skf21("1","3","3","3","1","3","2","1") = "2"
    & skf21("1","3","3","3","1","3","3","1") = "2"
    & skf21("1","3","3","3","1","3","4","1") = "3"
    & skf21("1","3","3","3","1","3","5","1") = "4"
    & skf21("1","3","3","3","1","3","6","1") = "5"
    & skf21("1","3","3","3","1","3","7","1") = "6"
    & skf21("1","3","3","3","1","4","1","1") = "3"
    & skf21("1","3","3","3","1","4","2","1") = "3"
    & skf21("1","3","3","3","1","4","3","1") = "3"
    & skf21("1","3","3","3","1","4","4","1") = "3"
    & skf21("1","3","3","3","1","4","5","1") = "4"
    & skf21("1","3","3","3","1","4","6","1") = "5"
    & skf21("1","3","3","3","1","4","7","1") = "6"
    & skf21("1","3","3","3","1","5","1","1") = "4"
    & skf21("1","3","3","3","1","5","2","1") = "4"
    & skf21("1","3","3","3","1","5","3","1") = "4"
    & skf21("1","3","3","3","1","5","4","1") = "4"
    & skf21("1","3","3","3","1","5","5","1") = "4"
    & skf21("1","3","3","3","1","5","6","1") = "5"
    & skf21("1","3","3","3","1","5","7","1") = "6"
    & skf21("1","3","3","3","1","6","1","1") = "5"
    & skf21("1","3","3","3","1","6","2","1") = "5"
    & skf21("1","3","3","3","1","6","3","1") = "5"
    & skf21("1","3","3","3","1","6","4","1") = "5"
    & skf21("1","3","3","3","1","6","5","1") = "5"
    & skf21("1","3","3","3","1","6","6","1") = "5"
    & skf21("1","3","3","3","1","6","7","1") = "6"
    & skf21("1","3","3","3","1","7","1","1") = "6"
    & skf21("1","3","3","3","1","7","2","1") = "6"
    & skf21("1","3","3","3","1","7","3","1") = "6"
    & skf21("1","3","3","3","1","7","4","1") = "6"
    & skf21("1","3","3","3","1","7","5","1") = "6"
    & skf21("1","3","3","3","1","7","6","1") = "6"
    & skf21("1","3","3","3","1","7","7","1") = "6"
    & skf21("1","3","3","3","2","1","1","1") = "2"
    & skf21("1","3","3","3","2","1","2","1") = "2"
    & skf21("1","3","3","3","2","1","3","1") = "2"
    & skf21("1","3","3","3","2","1","4","1") = "3"
    & skf21("1","3","3","3","2","1","5","1") = "4"
    & skf21("1","3","3","3","2","1","6","1") = "5"
    & skf21("1","3","3","3","2","1","7","1") = "6"
    & skf21("1","3","3","3","2","2","1","1") = "2"
    & skf21("1","3","3","3","2","2","2","1") = "2"
    & skf21("1","3","3","3","2","2","3","1") = "2"
    & skf21("1","3","3","3","2","2","4","1") = "3"
    & skf21("1","3","3","3","2","2","5","1") = "4"
    & skf21("1","3","3","3","2","2","6","1") = "5"
    & skf21("1","3","3","3","2","2","7","1") = "6"
    & skf21("1","3","3","3","2","3","1","1") = "2"
    & skf21("1","3","3","3","2","3","2","1") = "2"
    & skf21("1","3","3","3","2","3","3","1") = "2"
    & skf21("1","3","3","3","2","3","4","1") = "3"
    & skf21("1","3","3","3","2","3","5","1") = "4"
    & skf21("1","3","3","3","2","3","6","1") = "5"
    & skf21("1","3","3","3","2","3","7","1") = "6"
    & skf21("1","3","3","3","2","4","1","1") = "3"
    & skf21("1","3","3","3","2","4","2","1") = "3"
    & skf21("1","3","3","3","2","4","3","1") = "3"
    & skf21("1","3","3","3","2","4","4","1") = "3"
    & skf21("1","3","3","3","2","4","5","1") = "4"
    & skf21("1","3","3","3","2","4","6","1") = "5"
    & skf21("1","3","3","3","2","4","7","1") = "6"
    & skf21("1","3","3","3","2","5","1","1") = "4"
    & skf21("1","3","3","3","2","5","2","1") = "4"
    & skf21("1","3","3","3","2","5","3","1") = "4"
    & skf21("1","3","3","3","2","5","4","1") = "4"
    & skf21("1","3","3","3","2","5","5","1") = "4"
    & skf21("1","3","3","3","2","5","6","1") = "5"
    & skf21("1","3","3","3","2","5","7","1") = "6"
    & skf21("1","3","3","3","2","6","1","1") = "5"
    & skf21("1","3","3","3","2","6","2","1") = "5"
    & skf21("1","3","3","3","2","6","3","1") = "5"
    & skf21("1","3","3","3","2","6","4","1") = "5"
    & skf21("1","3","3","3","2","6","5","1") = "5"
    & skf21("1","3","3","3","2","6","6","1") = "5"
    & skf21("1","3","3","3","2","6","7","1") = "6"
    & skf21("1","3","3","3","2","7","1","1") = "6"
    & skf21("1","3","3","3","2","7","2","1") = "6"
    & skf21("1","3","3","3","2","7","3","1") = "6"
    & skf21("1","3","3","3","2","7","4","1") = "6"
    & skf21("1","3","3","3","2","7","5","1") = "6"
    & skf21("1","3","3","3","2","7","6","1") = "6"
    & skf21("1","3","3","3","2","7","7","1") = "6"
    & skf21("1","3","3","3","3","1","1","1") = "2"
    & skf21("1","3","3","3","3","1","2","1") = "2"
    & skf21("1","3","3","3","3","1","3","1") = "2"
    & skf21("1","3","3","3","3","1","4","1") = "3"
    & skf21("1","3","3","3","3","1","5","1") = "4"
    & skf21("1","3","3","3","3","1","6","1") = "5"
    & skf21("1","3","3","3","3","1","7","1") = "6"
    & skf21("1","3","3","3","3","2","1","1") = "2"
    & skf21("1","3","3","3","3","2","2","1") = "2"
    & skf21("1","3","3","3","3","2","3","1") = "2"
    & skf21("1","3","3","3","3","2","4","1") = "3"
    & skf21("1","3","3","3","3","2","5","1") = "4"
    & skf21("1","3","3","3","3","2","6","1") = "5"
    & skf21("1","3","3","3","3","2","7","1") = "6"
    & skf21("1","3","3","3","3","3","1","1") = "2"
    & skf21("1","3","3","3","3","3","2","1") = "2"
    & skf21("1","3","3","3","3","3","3","1") = "2"
    & skf21("1","3","3","3","3","3","4","1") = "3"
    & skf21("1","3","3","3","3","3","5","1") = "4"
    & skf21("1","3","3","3","3","3","6","1") = "5"
    & skf21("1","3","3","3","3","3","7","1") = "6"
    & skf21("1","3","3","3","3","4","1","1") = "3"
    & skf21("1","3","3","3","3","4","2","1") = "3"
    & skf21("1","3","3","3","3","4","3","1") = "3"
    & skf21("1","3","3","3","3","4","4","1") = "3"
    & skf21("1","3","3","3","3","4","5","1") = "4"
    & skf21("1","3","3","3","3","4","6","1") = "5"
    & skf21("1","3","3","3","3","4","7","1") = "6"
    & skf21("1","3","3","3","3","5","1","1") = "4"
    & skf21("1","3","3","3","3","5","2","1") = "4"
    & skf21("1","3","3","3","3","5","3","1") = "4"
    & skf21("1","3","3","3","3","5","4","1") = "4"
    & skf21("1","3","3","3","3","5","5","1") = "4"
    & skf21("1","3","3","3","3","5","6","1") = "5"
    & skf21("1","3","3","3","3","5","7","1") = "6"
    & skf21("1","3","3","3","3","6","1","1") = "5"
    & skf21("1","3","3","3","3","6","2","1") = "5"
    & skf21("1","3","3","3","3","6","3","1") = "5"
    & skf21("1","3","3","3","3","6","4","1") = "5"
    & skf21("1","3","3","3","3","6","5","1") = "5"
    & skf21("1","3","3","3","3","6","6","1") = "5"
    & skf21("1","3","3","3","3","6","7","1") = "6"
    & skf21("1","3","3","3","3","7","1","1") = "6"
    & skf21("1","3","3","3","3","7","2","1") = "6"
    & skf21("1","3","3","3","3","7","3","1") = "6"
    & skf21("1","3","3","3","3","7","4","1") = "6"
    & skf21("1","3","3","3","3","7","5","1") = "6"
    & skf21("1","3","3","3","3","7","6","1") = "6"
    & skf21("1","3","3","3","3","7","7","1") = "6"
    & skf21("1","3","3","3","4","1","1","1") = "3"
    & skf21("1","3","3","3","4","1","2","1") = "3"
    & skf21("1","3","3","3","4","1","3","1") = "3"
    & skf21("1","3","3","3","4","1","4","1") = "3"
    & skf21("1","3","3","3","4","1","5","1") = "4"
    & skf21("1","3","3","3","4","1","6","1") = "5"
    & skf21("1","3","3","3","4","1","7","1") = "6"
    & skf21("1","3","3","3","4","2","1","1") = "3"
    & skf21("1","3","3","3","4","2","2","1") = "3"
    & skf21("1","3","3","3","4","2","3","1") = "3"
    & skf21("1","3","3","3","4","2","4","1") = "3"
    & skf21("1","3","3","3","4","2","5","1") = "4"
    & skf21("1","3","3","3","4","2","6","1") = "5"
    & skf21("1","3","3","3","4","2","7","1") = "6"
    & skf21("1","3","3","3","4","3","1","1") = "3"
    & skf21("1","3","3","3","4","3","2","1") = "3"
    & skf21("1","3","3","3","4","3","3","1") = "3"
    & skf21("1","3","3","3","4","3","4","1") = "3"
    & skf21("1","3","3","3","4","3","5","1") = "4"
    & skf21("1","3","3","3","4","3","6","1") = "5"
    & skf21("1","3","3","3","4","3","7","1") = "6"
    & skf21("1","3","3","3","4","4","1","1") = "3"
    & skf21("1","3","3","3","4","4","2","1") = "3"
    & skf21("1","3","3","3","4","4","3","1") = "3"
    & skf21("1","3","3","3","4","4","4","1") = "3"
    & skf21("1","3","3","3","4","4","5","1") = "4"
    & skf21("1","3","3","3","4","4","6","1") = "5"
    & skf21("1","3","3","3","4","4","7","1") = "6"
    & skf21("1","3","3","3","4","5","1","1") = "4"
    & skf21("1","3","3","3","4","5","2","1") = "4"
    & skf21("1","3","3","3","4","5","3","1") = "4"
    & skf21("1","3","3","3","4","5","4","1") = "4"
    & skf21("1","3","3","3","4","5","5","1") = "4"
    & skf21("1","3","3","3","4","5","6","1") = "5"
    & skf21("1","3","3","3","4","5","7","1") = "6"
    & skf21("1","3","3","3","4","6","1","1") = "5"
    & skf21("1","3","3","3","4","6","2","1") = "5"
    & skf21("1","3","3","3","4","6","3","1") = "5"
    & skf21("1","3","3","3","4","6","4","1") = "5"
    & skf21("1","3","3","3","4","6","5","1") = "5"
    & skf21("1","3","3","3","4","6","6","1") = "5"
    & skf21("1","3","3","3","4","6","7","1") = "6"
    & skf21("1","3","3","3","4","7","1","1") = "6"
    & skf21("1","3","3","3","4","7","2","1") = "6"
    & skf21("1","3","3","3","4","7","3","1") = "6"
    & skf21("1","3","3","3","4","7","4","1") = "6"
    & skf21("1","3","3","3","4","7","5","1") = "6"
    & skf21("1","3","3","3","4","7","6","1") = "6"
    & skf21("1","3","3","3","4","7","7","1") = "6"
    & skf21("1","3","3","3","5","1","1","1") = "4"
    & skf21("1","3","3","3","5","1","2","1") = "4"
    & skf21("1","3","3","3","5","1","3","1") = "4"
    & skf21("1","3","3","3","5","1","4","1") = "4"
    & skf21("1","3","3","3","5","1","5","1") = "4"
    & skf21("1","3","3","3","5","1","6","1") = "5"
    & skf21("1","3","3","3","5","1","7","1") = "6"
    & skf21("1","3","3","3","5","2","1","1") = "4"
    & skf21("1","3","3","3","5","2","2","1") = "4"
    & skf21("1","3","3","3","5","2","3","1") = "4"
    & skf21("1","3","3","3","5","2","4","1") = "4"
    & skf21("1","3","3","3","5","2","5","1") = "4"
    & skf21("1","3","3","3","5","2","6","1") = "5"
    & skf21("1","3","3","3","5","2","7","1") = "6"
    & skf21("1","3","3","3","5","3","1","1") = "4"
    & skf21("1","3","3","3","5","3","2","1") = "4"
    & skf21("1","3","3","3","5","3","3","1") = "4"
    & skf21("1","3","3","3","5","3","4","1") = "4"
    & skf21("1","3","3","3","5","3","5","1") = "4"
    & skf21("1","3","3","3","5","3","6","1") = "5"
    & skf21("1","3","3","3","5","3","7","1") = "6"
    & skf21("1","3","3","3","5","4","1","1") = "4"
    & skf21("1","3","3","3","5","4","2","1") = "4"
    & skf21("1","3","3","3","5","4","3","1") = "4"
    & skf21("1","3","3","3","5","4","4","1") = "4"
    & skf21("1","3","3","3","5","4","5","1") = "4"
    & skf21("1","3","3","3","5","4","6","1") = "5"
    & skf21("1","3","3","3","5","4","7","1") = "6"
    & skf21("1","3","3","3","5","5","1","1") = "4"
    & skf21("1","3","3","3","5","5","2","1") = "4"
    & skf21("1","3","3","3","5","5","3","1") = "4"
    & skf21("1","3","3","3","5","5","4","1") = "4"
    & skf21("1","3","3","3","5","5","5","1") = "4"
    & skf21("1","3","3","3","5","5","6","1") = "5"
    & skf21("1","3","3","3","5","5","7","1") = "6"
    & skf21("1","3","3","3","5","6","1","1") = "5"
    & skf21("1","3","3","3","5","6","2","1") = "5"
    & skf21("1","3","3","3","5","6","3","1") = "5"
    & skf21("1","3","3","3","5","6","4","1") = "5"
    & skf21("1","3","3","3","5","6","5","1") = "5"
    & skf21("1","3","3","3","5","6","6","1") = "5"
    & skf21("1","3","3","3","5","6","7","1") = "6"
    & skf21("1","3","3","3","5","7","1","1") = "6"
    & skf21("1","3","3","3","5","7","2","1") = "6"
    & skf21("1","3","3","3","5","7","3","1") = "6"
    & skf21("1","3","3","3","5","7","4","1") = "6"
    & skf21("1","3","3","3","5","7","5","1") = "6"
    & skf21("1","3","3","3","5","7","6","1") = "6"
    & skf21("1","3","3","3","5","7","7","1") = "6"
    & skf21("1","3","3","3","6","1","1","1") = "5"
    & skf21("1","3","3","3","6","1","2","1") = "5"
    & skf21("1","3","3","3","6","1","3","1") = "5"
    & skf21("1","3","3","3","6","1","4","1") = "5"
    & skf21("1","3","3","3","6","1","5","1") = "5"
    & skf21("1","3","3","3","6","1","6","1") = "5"
    & skf21("1","3","3","3","6","1","7","1") = "6"
    & skf21("1","3","3","3","6","2","1","1") = "5"
    & skf21("1","3","3","3","6","2","2","1") = "5"
    & skf21("1","3","3","3","6","2","3","1") = "5"
    & skf21("1","3","3","3","6","2","4","1") = "5"
    & skf21("1","3","3","3","6","2","5","1") = "5"
    & skf21("1","3","3","3","6","2","6","1") = "5"
    & skf21("1","3","3","3","6","2","7","1") = "6"
    & skf21("1","3","3","3","6","3","1","1") = "5"
    & skf21("1","3","3","3","6","3","2","1") = "5"
    & skf21("1","3","3","3","6","3","3","1") = "5"
    & skf21("1","3","3","3","6","3","4","1") = "5"
    & skf21("1","3","3","3","6","3","5","1") = "5"
    & skf21("1","3","3","3","6","3","6","1") = "5"
    & skf21("1","3","3","3","6","3","7","1") = "6"
    & skf21("1","3","3","3","6","4","1","1") = "5"
    & skf21("1","3","3","3","6","4","2","1") = "5"
    & skf21("1","3","3","3","6","4","3","1") = "5"
    & skf21("1","3","3","3","6","4","4","1") = "5"
    & skf21("1","3","3","3","6","4","5","1") = "5"
    & skf21("1","3","3","3","6","4","6","1") = "5"
    & skf21("1","3","3","3","6","4","7","1") = "6"
    & skf21("1","3","3","3","6","5","1","1") = "5"
    & skf21("1","3","3","3","6","5","2","1") = "5"
    & skf21("1","3","3","3","6","5","3","1") = "5"
    & skf21("1","3","3","3","6","5","4","1") = "5"
    & skf21("1","3","3","3","6","5","5","1") = "5"
    & skf21("1","3","3","3","6","5","6","1") = "5"
    & skf21("1","3","3","3","6","5","7","1") = "6"
    & skf21("1","3","3","3","6","6","1","1") = "5"
    & skf21("1","3","3","3","6","6","2","1") = "5"
    & skf21("1","3","3","3","6","6","3","1") = "5"
    & skf21("1","3","3","3","6","6","4","1") = "5"
    & skf21("1","3","3","3","6","6","5","1") = "5"
    & skf21("1","3","3","3","6","6","6","1") = "5"
    & skf21("1","3","3","3","6","6","7","1") = "6"
    & skf21("1","3","3","3","6","7","1","1") = "6"
    & skf21("1","3","3","3","6","7","2","1") = "6"
    & skf21("1","3","3","3","6","7","3","1") = "6"
    & skf21("1","3","3","3","6","7","4","1") = "6"
    & skf21("1","3","3","3","6","7","5","1") = "6"
    & skf21("1","3","3","3","6","7","6","1") = "6"
    & skf21("1","3","3","3","6","7","7","1") = "6"
    & skf21("1","3","3","3","7","1","1","1") = "6"
    & skf21("1","3","3","3","7","1","2","1") = "6"
    & skf21("1","3","3","3","7","1","3","1") = "6"
    & skf21("1","3","3","3","7","1","4","1") = "6"
    & skf21("1","3","3","3","7","1","5","1") = "6"
    & skf21("1","3","3","3","7","1","6","1") = "6"
    & skf21("1","3","3","3","7","1","7","1") = "6"
    & skf21("1","3","3","3","7","2","1","1") = "6"
    & skf21("1","3","3","3","7","2","2","1") = "6"
    & skf21("1","3","3","3","7","2","3","1") = "6"
    & skf21("1","3","3","3","7","2","4","1") = "6"
    & skf21("1","3","3","3","7","2","5","1") = "6"
    & skf21("1","3","3","3","7","2","6","1") = "6"
    & skf21("1","3","3","3","7","2","7","1") = "6"
    & skf21("1","3","3","3","7","3","1","1") = "6"
    & skf21("1","3","3","3","7","3","2","1") = "6"
    & skf21("1","3","3","3","7","3","3","1") = "6"
    & skf21("1","3","3","3","7","3","4","1") = "6"
    & skf21("1","3","3","3","7","3","5","1") = "6"
    & skf21("1","3","3","3","7","3","6","1") = "6"
    & skf21("1","3","3","3","7","3","7","1") = "6"
    & skf21("1","3","3","3","7","4","1","1") = "6"
    & skf21("1","3","3","3","7","4","2","1") = "6"
    & skf21("1","3","3","3","7","4","3","1") = "6"
    & skf21("1","3","3","3","7","4","4","1") = "6"
    & skf21("1","3","3","3","7","4","5","1") = "6"
    & skf21("1","3","3","3","7","4","6","1") = "6"
    & skf21("1","3","3","3","7","4","7","1") = "6"
    & skf21("1","3","3","3","7","5","1","1") = "6"
    & skf21("1","3","3","3","7","5","2","1") = "6"
    & skf21("1","3","3","3","7","5","3","1") = "6"
    & skf21("1","3","3","3","7","5","4","1") = "6"
    & skf21("1","3","3","3","7","5","5","1") = "6"
    & skf21("1","3","3","3","7","5","6","1") = "6"
    & skf21("1","3","3","3","7","5","7","1") = "6"
    & skf21("1","3","3","3","7","6","1","1") = "6"
    & skf21("1","3","3","3","7","6","2","1") = "6"
    & skf21("1","3","3","3","7","6","3","1") = "6"
    & skf21("1","3","3","3","7","6","4","1") = "6"
    & skf21("1","3","3","3","7","6","5","1") = "6"
    & skf21("1","3","3","3","7","6","6","1") = "6"
    & skf21("1","3","3","3","7","6","7","1") = "6"
    & skf21("1","3","3","3","7","7","1","1") = "6"
    & skf21("1","3","3","3","7","7","2","1") = "6"
    & skf21("1","3","3","3","7","7","3","1") = "6"
    & skf21("1","3","3","3","7","7","4","1") = "6"
    & skf21("1","3","3","3","7","7","5","1") = "6"
    & skf21("1","3","3","3","7","7","6","1") = "6"
    & skf21("1","3","3","3","7","7","7","1") = "6"
    & skf21("1","3","3","4","1","1","1","1") = "3"
    & skf21("1","3","3","4","1","1","2","1") = "3"
    & skf21("1","3","3","4","1","1","3","1") = "3"
    & skf21("1","3","3","4","1","1","4","1") = "3"
    & skf21("1","3","3","4","1","1","5","1") = "4"
    & skf21("1","3","3","4","1","1","6","1") = "5"
    & skf21("1","3","3","4","1","1","7","1") = "6"
    & skf21("1","3","3","4","1","2","1","1") = "3"
    & skf21("1","3","3","4","1","2","2","1") = "3"
    & skf21("1","3","3","4","1","2","3","1") = "3"
    & skf21("1","3","3","4","1","2","4","1") = "3"
    & skf21("1","3","3","4","1","2","5","1") = "4"
    & skf21("1","3","3","4","1","2","6","1") = "5"
    & skf21("1","3","3","4","1","2","7","1") = "6"
    & skf21("1","3","3","4","1","3","1","1") = "3"
    & skf21("1","3","3","4","1","3","2","1") = "3"
    & skf21("1","3","3","4","1","3","3","1") = "3"
    & skf21("1","3","3","4","1","3","4","1") = "3"
    & skf21("1","3","3","4","1","3","5","1") = "4"
    & skf21("1","3","3","4","1","3","6","1") = "5"
    & skf21("1","3","3","4","1","3","7","1") = "6"
    & skf21("1","3","3","4","1","4","1","1") = "3"
    & skf21("1","3","3","4","1","4","2","1") = "3"
    & skf21("1","3","3","4","1","4","3","1") = "3"
    & skf21("1","3","3","4","1","4","4","1") = "3"
    & skf21("1","3","3","4","1","4","5","1") = "4"
    & skf21("1","3","3","4","1","4","6","1") = "5"
    & skf21("1","3","3","4","1","4","7","1") = "6"
    & skf21("1","3","3","4","1","5","1","1") = "4"
    & skf21("1","3","3","4","1","5","2","1") = "4"
    & skf21("1","3","3","4","1","5","3","1") = "4"
    & skf21("1","3","3","4","1","5","4","1") = "4"
    & skf21("1","3","3","4","1","5","5","1") = "4"
    & skf21("1","3","3","4","1","5","6","1") = "5"
    & skf21("1","3","3","4","1","5","7","1") = "6"
    & skf21("1","3","3","4","1","6","1","1") = "5"
    & skf21("1","3","3","4","1","6","2","1") = "5"
    & skf21("1","3","3","4","1","6","3","1") = "5"
    & skf21("1","3","3","4","1","6","4","1") = "5"
    & skf21("1","3","3","4","1","6","5","1") = "5"
    & skf21("1","3","3","4","1","6","6","1") = "5"
    & skf21("1","3","3","4","1","6","7","1") = "6"
    & skf21("1","3","3","4","1","7","1","1") = "6"
    & skf21("1","3","3","4","1","7","2","1") = "6"
    & skf21("1","3","3","4","1","7","3","1") = "6"
    & skf21("1","3","3","4","1","7","4","1") = "6"
    & skf21("1","3","3","4","1","7","5","1") = "6"
    & skf21("1","3","3","4","1","7","6","1") = "6"
    & skf21("1","3","3","4","1","7","7","1") = "6"
    & skf21("1","3","3","4","2","1","1","1") = "3"
    & skf21("1","3","3","4","2","1","2","1") = "3"
    & skf21("1","3","3","4","2","1","3","1") = "3"
    & skf21("1","3","3","4","2","1","4","1") = "3"
    & skf21("1","3","3","4","2","1","5","1") = "4"
    & skf21("1","3","3","4","2","1","6","1") = "5"
    & skf21("1","3","3","4","2","1","7","1") = "6"
    & skf21("1","3","3","4","2","2","1","1") = "3"
    & skf21("1","3","3","4","2","2","2","1") = "3"
    & skf21("1","3","3","4","2","2","3","1") = "3"
    & skf21("1","3","3","4","2","2","4","1") = "3"
    & skf21("1","3","3","4","2","2","5","1") = "4"
    & skf21("1","3","3","4","2","2","6","1") = "5"
    & skf21("1","3","3","4","2","2","7","1") = "6"
    & skf21("1","3","3","4","2","3","1","1") = "3"
    & skf21("1","3","3","4","2","3","2","1") = "3"
    & skf21("1","3","3","4","2","3","3","1") = "3"
    & skf21("1","3","3","4","2","3","4","1") = "3"
    & skf21("1","3","3","4","2","3","5","1") = "4"
    & skf21("1","3","3","4","2","3","6","1") = "5"
    & skf21("1","3","3","4","2","3","7","1") = "6"
    & skf21("1","3","3","4","2","4","1","1") = "3"
    & skf21("1","3","3","4","2","4","2","1") = "3"
    & skf21("1","3","3","4","2","4","3","1") = "3"
    & skf21("1","3","3","4","2","4","4","1") = "3"
    & skf21("1","3","3","4","2","4","5","1") = "4"
    & skf21("1","3","3","4","2","4","6","1") = "5"
    & skf21("1","3","3","4","2","4","7","1") = "6"
    & skf21("1","3","3","4","2","5","1","1") = "4"
    & skf21("1","3","3","4","2","5","2","1") = "4"
    & skf21("1","3","3","4","2","5","3","1") = "4"
    & skf21("1","3","3","4","2","5","4","1") = "4"
    & skf21("1","3","3","4","2","5","5","1") = "4"
    & skf21("1","3","3","4","2","5","6","1") = "5"
    & skf21("1","3","3","4","2","5","7","1") = "6"
    & skf21("1","3","3","4","2","6","1","1") = "5"
    & skf21("1","3","3","4","2","6","2","1") = "5"
    & skf21("1","3","3","4","2","6","3","1") = "5"
    & skf21("1","3","3","4","2","6","4","1") = "5"
    & skf21("1","3","3","4","2","6","5","1") = "5"
    & skf21("1","3","3","4","2","6","6","1") = "5"
    & skf21("1","3","3","4","2","6","7","1") = "6"
    & skf21("1","3","3","4","2","7","1","1") = "6"
    & skf21("1","3","3","4","2","7","2","1") = "6"
    & skf21("1","3","3","4","2","7","3","1") = "6"
    & skf21("1","3","3","4","2","7","4","1") = "6"
    & skf21("1","3","3","4","2","7","5","1") = "6"
    & skf21("1","3","3","4","2","7","6","1") = "6"
    & skf21("1","3","3","4","2","7","7","1") = "6"
    & skf21("1","3","3","4","3","1","1","1") = "3"
    & skf21("1","3","3","4","3","1","2","1") = "3"
    & skf21("1","3","3","4","3","1","3","1") = "3"
    & skf21("1","3","3","4","3","1","4","1") = "3"
    & skf21("1","3","3","4","3","1","5","1") = "4"
    & skf21("1","3","3","4","3","1","6","1") = "5"
    & skf21("1","3","3","4","3","1","7","1") = "6"
    & skf21("1","3","3","4","3","2","1","1") = "3"
    & skf21("1","3","3","4","3","2","2","1") = "3"
    & skf21("1","3","3","4","3","2","3","1") = "3"
    & skf21("1","3","3","4","3","2","4","1") = "3"
    & skf21("1","3","3","4","3","2","5","1") = "4"
    & skf21("1","3","3","4","3","2","6","1") = "5"
    & skf21("1","3","3","4","3","2","7","1") = "6"
    & skf21("1","3","3","4","3","3","1","1") = "3"
    & skf21("1","3","3","4","3","3","2","1") = "3"
    & skf21("1","3","3","4","3","3","3","1") = "3"
    & skf21("1","3","3","4","3","3","4","1") = "3"
    & skf21("1","3","3","4","3","3","5","1") = "4"
    & skf21("1","3","3","4","3","3","6","1") = "5"
    & skf21("1","3","3","4","3","3","7","1") = "6"
    & skf21("1","3","3","4","3","4","1","1") = "3"
    & skf21("1","3","3","4","3","4","2","1") = "3"
    & skf21("1","3","3","4","3","4","3","1") = "3"
    & skf21("1","3","3","4","3","4","4","1") = "3"
    & skf21("1","3","3","4","3","4","5","1") = "4"
    & skf21("1","3","3","4","3","4","6","1") = "5"
    & skf21("1","3","3","4","3","4","7","1") = "6"
    & skf21("1","3","3","4","3","5","1","1") = "4"
    & skf21("1","3","3","4","3","5","2","1") = "4"
    & skf21("1","3","3","4","3","5","3","1") = "4"
    & skf21("1","3","3","4","3","5","4","1") = "4"
    & skf21("1","3","3","4","3","5","5","1") = "4"
    & skf21("1","3","3","4","3","5","6","1") = "5"
    & skf21("1","3","3","4","3","5","7","1") = "6"
    & skf21("1","3","3","4","3","6","1","1") = "5"
    & skf21("1","3","3","4","3","6","2","1") = "5"
    & skf21("1","3","3","4","3","6","3","1") = "5"
    & skf21("1","3","3","4","3","6","4","1") = "5"
    & skf21("1","3","3","4","3","6","5","1") = "5"
    & skf21("1","3","3","4","3","6","6","1") = "5"
    & skf21("1","3","3","4","3","6","7","1") = "6"
    & skf21("1","3","3","4","3","7","1","1") = "6"
    & skf21("1","3","3","4","3","7","2","1") = "6"
    & skf21("1","3","3","4","3","7","3","1") = "6"
    & skf21("1","3","3","4","3","7","4","1") = "6"
    & skf21("1","3","3","4","3","7","5","1") = "6"
    & skf21("1","3","3","4","3","7","6","1") = "6"
    & skf21("1","3","3","4","3","7","7","1") = "6"
    & skf21("1","3","3","4","4","1","1","1") = "3"
    & skf21("1","3","3","4","4","1","2","1") = "3"
    & skf21("1","3","3","4","4","1","3","1") = "3"
    & skf21("1","3","3","4","4","1","4","1") = "3"
    & skf21("1","3","3","4","4","1","5","1") = "4"
    & skf21("1","3","3","4","4","1","6","1") = "5"
    & skf21("1","3","3","4","4","1","7","1") = "6"
    & skf21("1","3","3","4","4","2","1","1") = "3"
    & skf21("1","3","3","4","4","2","2","1") = "3"
    & skf21("1","3","3","4","4","2","3","1") = "3"
    & skf21("1","3","3","4","4","2","4","1") = "3"
    & skf21("1","3","3","4","4","2","5","1") = "4"
    & skf21("1","3","3","4","4","2","6","1") = "5"
    & skf21("1","3","3","4","4","2","7","1") = "6"
    & skf21("1","3","3","4","4","3","1","1") = "3"
    & skf21("1","3","3","4","4","3","2","1") = "3"
    & skf21("1","3","3","4","4","3","3","1") = "3"
    & skf21("1","3","3","4","4","3","4","1") = "3"
    & skf21("1","3","3","4","4","3","5","1") = "4"
    & skf21("1","3","3","4","4","3","6","1") = "5"
    & skf21("1","3","3","4","4","3","7","1") = "6"
    & skf21("1","3","3","4","4","4","1","1") = "3"
    & skf21("1","3","3","4","4","4","2","1") = "3"
    & skf21("1","3","3","4","4","4","3","1") = "3"
    & skf21("1","3","3","4","4","4","4","1") = "3"
    & skf21("1","3","3","4","4","4","5","1") = "4"
    & skf21("1","3","3","4","4","4","6","1") = "5"
    & skf21("1","3","3","4","4","4","7","1") = "6"
    & skf21("1","3","3","4","4","5","1","1") = "4"
    & skf21("1","3","3","4","4","5","2","1") = "4"
    & skf21("1","3","3","4","4","5","3","1") = "4"
    & skf21("1","3","3","4","4","5","4","1") = "4"
    & skf21("1","3","3","4","4","5","5","1") = "4"
    & skf21("1","3","3","4","4","5","6","1") = "5"
    & skf21("1","3","3","4","4","5","7","1") = "6"
    & skf21("1","3","3","4","4","6","1","1") = "5"
    & skf21("1","3","3","4","4","6","2","1") = "5"
    & skf21("1","3","3","4","4","6","3","1") = "5"
    & skf21("1","3","3","4","4","6","4","1") = "5"
    & skf21("1","3","3","4","4","6","5","1") = "5"
    & skf21("1","3","3","4","4","6","6","1") = "5"
    & skf21("1","3","3","4","4","6","7","1") = "6"
    & skf21("1","3","3","4","4","7","1","1") = "6"
    & skf21("1","3","3","4","4","7","2","1") = "6"
    & skf21("1","3","3","4","4","7","3","1") = "6"
    & skf21("1","3","3","4","4","7","4","1") = "6"
    & skf21("1","3","3","4","4","7","5","1") = "6"
    & skf21("1","3","3","4","4","7","6","1") = "6"
    & skf21("1","3","3","4","4","7","7","1") = "6"
    & skf21("1","3","3","4","5","1","1","1") = "4"
    & skf21("1","3","3","4","5","1","2","1") = "4"
    & skf21("1","3","3","4","5","1","3","1") = "4"
    & skf21("1","3","3","4","5","1","4","1") = "4"
    & skf21("1","3","3","4","5","1","5","1") = "4"
    & skf21("1","3","3","4","5","1","6","1") = "5"
    & skf21("1","3","3","4","5","1","7","1") = "6"
    & skf21("1","3","3","4","5","2","1","1") = "4"
    & skf21("1","3","3","4","5","2","2","1") = "4"
    & skf21("1","3","3","4","5","2","3","1") = "4"
    & skf21("1","3","3","4","5","2","4","1") = "4"
    & skf21("1","3","3","4","5","2","5","1") = "4"
    & skf21("1","3","3","4","5","2","6","1") = "5"
    & skf21("1","3","3","4","5","2","7","1") = "6"
    & skf21("1","3","3","4","5","3","1","1") = "4"
    & skf21("1","3","3","4","5","3","2","1") = "4"
    & skf21("1","3","3","4","5","3","3","1") = "4"
    & skf21("1","3","3","4","5","3","4","1") = "4"
    & skf21("1","3","3","4","5","3","5","1") = "4"
    & skf21("1","3","3","4","5","3","6","1") = "5"
    & skf21("1","3","3","4","5","3","7","1") = "6"
    & skf21("1","3","3","4","5","4","1","1") = "4"
    & skf21("1","3","3","4","5","4","2","1") = "4"
    & skf21("1","3","3","4","5","4","3","1") = "4"
    & skf21("1","3","3","4","5","4","4","1") = "4"
    & skf21("1","3","3","4","5","4","5","1") = "4"
    & skf21("1","3","3","4","5","4","6","1") = "5"
    & skf21("1","3","3","4","5","4","7","1") = "6"
    & skf21("1","3","3","4","5","5","1","1") = "4"
    & skf21("1","3","3","4","5","5","2","1") = "4"
    & skf21("1","3","3","4","5","5","3","1") = "4"
    & skf21("1","3","3","4","5","5","4","1") = "4"
    & skf21("1","3","3","4","5","5","5","1") = "4"
    & skf21("1","3","3","4","5","5","6","1") = "5"
    & skf21("1","3","3","4","5","5","7","1") = "6"
    & skf21("1","3","3","4","5","6","1","1") = "5"
    & skf21("1","3","3","4","5","6","2","1") = "5"
    & skf21("1","3","3","4","5","6","3","1") = "5"
    & skf21("1","3","3","4","5","6","4","1") = "5"
    & skf21("1","3","3","4","5","6","5","1") = "5"
    & skf21("1","3","3","4","5","6","6","1") = "5"
    & skf21("1","3","3","4","5","6","7","1") = "6"
    & skf21("1","3","3","4","5","7","1","1") = "6"
    & skf21("1","3","3","4","5","7","2","1") = "6"
    & skf21("1","3","3","4","5","7","3","1") = "6"
    & skf21("1","3","3","4","5","7","4","1") = "6"
    & skf21("1","3","3","4","5","7","5","1") = "6"
    & skf21("1","3","3","4","5","7","6","1") = "6"
    & skf21("1","3","3","4","5","7","7","1") = "6"
    & skf21("1","3","3","4","6","1","1","1") = "5"
    & skf21("1","3","3","4","6","1","2","1") = "5"
    & skf21("1","3","3","4","6","1","3","1") = "5"
    & skf21("1","3","3","4","6","1","4","1") = "5"
    & skf21("1","3","3","4","6","1","5","1") = "5"
    & skf21("1","3","3","4","6","1","6","1") = "5"
    & skf21("1","3","3","4","6","1","7","1") = "6"
    & skf21("1","3","3","4","6","2","1","1") = "5"
    & skf21("1","3","3","4","6","2","2","1") = "5"
    & skf21("1","3","3","4","6","2","3","1") = "5"
    & skf21("1","3","3","4","6","2","4","1") = "5"
    & skf21("1","3","3","4","6","2","5","1") = "5"
    & skf21("1","3","3","4","6","2","6","1") = "5"
    & skf21("1","3","3","4","6","2","7","1") = "6"
    & skf21("1","3","3","4","6","3","1","1") = "5"
    & skf21("1","3","3","4","6","3","2","1") = "5"
    & skf21("1","3","3","4","6","3","3","1") = "5"
    & skf21("1","3","3","4","6","3","4","1") = "5"
    & skf21("1","3","3","4","6","3","5","1") = "5"
    & skf21("1","3","3","4","6","3","6","1") = "5"
    & skf21("1","3","3","4","6","3","7","1") = "6"
    & skf21("1","3","3","4","6","4","1","1") = "5"
    & skf21("1","3","3","4","6","4","2","1") = "5"
    & skf21("1","3","3","4","6","4","3","1") = "5"
    & skf21("1","3","3","4","6","4","4","1") = "5"
    & skf21("1","3","3","4","6","4","5","1") = "5"
    & skf21("1","3","3","4","6","4","6","1") = "5"
    & skf21("1","3","3","4","6","4","7","1") = "6"
    & skf21("1","3","3","4","6","5","1","1") = "5"
    & skf21("1","3","3","4","6","5","2","1") = "5"
    & skf21("1","3","3","4","6","5","3","1") = "5"
    & skf21("1","3","3","4","6","5","4","1") = "5"
    & skf21("1","3","3","4","6","5","5","1") = "5"
    & skf21("1","3","3","4","6","5","6","1") = "5"
    & skf21("1","3","3","4","6","5","7","1") = "6"
    & skf21("1","3","3","4","6","6","1","1") = "5"
    & skf21("1","3","3","4","6","6","2","1") = "5"
    & skf21("1","3","3","4","6","6","3","1") = "5"
    & skf21("1","3","3","4","6","6","4","1") = "5"
    & skf21("1","3","3","4","6","6","5","1") = "5"
    & skf21("1","3","3","4","6","6","6","1") = "5"
    & skf21("1","3","3","4","6","6","7","1") = "6"
    & skf21("1","3","3","4","6","7","1","1") = "6"
    & skf21("1","3","3","4","6","7","2","1") = "6"
    & skf21("1","3","3","4","6","7","3","1") = "6"
    & skf21("1","3","3","4","6","7","4","1") = "6"
    & skf21("1","3","3","4","6","7","5","1") = "6"
    & skf21("1","3","3","4","6","7","6","1") = "6"
    & skf21("1","3","3","4","6","7","7","1") = "6"
    & skf21("1","3","3","4","7","1","1","1") = "6"
    & skf21("1","3","3","4","7","1","2","1") = "6"
    & skf21("1","3","3","4","7","1","3","1") = "6"
    & skf21("1","3","3","4","7","1","4","1") = "6"
    & skf21("1","3","3","4","7","1","5","1") = "6"
    & skf21("1","3","3","4","7","1","6","1") = "6"
    & skf21("1","3","3","4","7","1","7","1") = "6"
    & skf21("1","3","3","4","7","2","1","1") = "6"
    & skf21("1","3","3","4","7","2","2","1") = "6"
    & skf21("1","3","3","4","7","2","3","1") = "6"
    & skf21("1","3","3","4","7","2","4","1") = "6"
    & skf21("1","3","3","4","7","2","5","1") = "6"
    & skf21("1","3","3","4","7","2","6","1") = "6"
    & skf21("1","3","3","4","7","2","7","1") = "6"
    & skf21("1","3","3","4","7","3","1","1") = "6"
    & skf21("1","3","3","4","7","3","2","1") = "6"
    & skf21("1","3","3","4","7","3","3","1") = "6"
    & skf21("1","3","3","4","7","3","4","1") = "6"
    & skf21("1","3","3","4","7","3","5","1") = "6"
    & skf21("1","3","3","4","7","3","6","1") = "6"
    & skf21("1","3","3","4","7","3","7","1") = "6"
    & skf21("1","3","3","4","7","4","1","1") = "6"
    & skf21("1","3","3","4","7","4","2","1") = "6"
    & skf21("1","3","3","4","7","4","3","1") = "6"
    & skf21("1","3","3","4","7","4","4","1") = "6"
    & skf21("1","3","3","4","7","4","5","1") = "6"
    & skf21("1","3","3","4","7","4","6","1") = "6"
    & skf21("1","3","3","4","7","4","7","1") = "6"
    & skf21("1","3","3","4","7","5","1","1") = "6"
    & skf21("1","3","3","4","7","5","2","1") = "6"
    & skf21("1","3","3","4","7","5","3","1") = "6"
    & skf21("1","3","3","4","7","5","4","1") = "6"
    & skf21("1","3","3","4","7","5","5","1") = "6"
    & skf21("1","3","3","4","7","5","6","1") = "6"
    & skf21("1","3","3","4","7","5","7","1") = "6"
    & skf21("1","3","3","4","7","6","1","1") = "6"
    & skf21("1","3","3","4","7","6","2","1") = "6"
    & skf21("1","3","3","4","7","6","3","1") = "6"
    & skf21("1","3","3","4","7","6","4","1") = "6"
    & skf21("1","3","3","4","7","6","5","1") = "6"
    & skf21("1","3","3","4","7","6","6","1") = "6"
    & skf21("1","3","3","4","7","6","7","1") = "6"
    & skf21("1","3","3","4","7","7","1","1") = "6"
    & skf21("1","3","3","4","7","7","2","1") = "6"
    & skf21("1","3","3","4","7","7","3","1") = "6"
    & skf21("1","3","3","4","7","7","4","1") = "6"
    & skf21("1","3","3","4","7","7","5","1") = "6"
    & skf21("1","3","3","4","7","7","6","1") = "6"
    & skf21("1","3","3","4","7","7","7","1") = "6"
    & skf21("1","3","3","5","1","1","1","1") = "4"
    & skf21("1","3","3","5","1","1","2","1") = "4"
    & skf21("1","3","3","5","1","1","3","1") = "4"
    & skf21("1","3","3","5","1","1","4","1") = "4"
    & skf21("1","3","3","5","1","1","5","1") = "4"
    & skf21("1","3","3","5","1","1","6","1") = "5"
    & skf21("1","3","3","5","1","1","7","1") = "6"
    & skf21("1","3","3","5","1","2","1","1") = "4"
    & skf21("1","3","3","5","1","2","2","1") = "4"
    & skf21("1","3","3","5","1","2","3","1") = "4"
    & skf21("1","3","3","5","1","2","4","1") = "4"
    & skf21("1","3","3","5","1","2","5","1") = "4"
    & skf21("1","3","3","5","1","2","6","1") = "5"
    & skf21("1","3","3","5","1","2","7","1") = "6"
    & skf21("1","3","3","5","1","3","1","1") = "4"
    & skf21("1","3","3","5","1","3","2","1") = "4"
    & skf21("1","3","3","5","1","3","3","1") = "4"
    & skf21("1","3","3","5","1","3","4","1") = "4"
    & skf21("1","3","3","5","1","3","5","1") = "4"
    & skf21("1","3","3","5","1","3","6","1") = "5"
    & skf21("1","3","3","5","1","3","7","1") = "6"
    & skf21("1","3","3","5","1","4","1","1") = "4"
    & skf21("1","3","3","5","1","4","2","1") = "4"
    & skf21("1","3","3","5","1","4","3","1") = "4"
    & skf21("1","3","3","5","1","4","4","1") = "4"
    & skf21("1","3","3","5","1","4","5","1") = "4"
    & skf21("1","3","3","5","1","4","6","1") = "5"
    & skf21("1","3","3","5","1","4","7","1") = "6"
    & skf21("1","3","3","5","1","5","1","1") = "4"
    & skf21("1","3","3","5","1","5","2","1") = "4"
    & skf21("1","3","3","5","1","5","3","1") = "4"
    & skf21("1","3","3","5","1","5","4","1") = "4"
    & skf21("1","3","3","5","1","5","5","1") = "4"
    & skf21("1","3","3","5","1","5","6","1") = "5"
    & skf21("1","3","3","5","1","5","7","1") = "6"
    & skf21("1","3","3","5","1","6","1","1") = "5"
    & skf21("1","3","3","5","1","6","2","1") = "5"
    & skf21("1","3","3","5","1","6","3","1") = "5"
    & skf21("1","3","3","5","1","6","4","1") = "5"
    & skf21("1","3","3","5","1","6","5","1") = "5"
    & skf21("1","3","3","5","1","6","6","1") = "5"
    & skf21("1","3","3","5","1","6","7","1") = "6"
    & skf21("1","3","3","5","1","7","1","1") = "6"
    & skf21("1","3","3","5","1","7","2","1") = "6"
    & skf21("1","3","3","5","1","7","3","1") = "6"
    & skf21("1","3","3","5","1","7","4","1") = "6"
    & skf21("1","3","3","5","1","7","5","1") = "6"
    & skf21("1","3","3","5","1","7","6","1") = "6"
    & skf21("1","3","3","5","1","7","7","1") = "6"
    & skf21("1","3","3","5","2","1","1","1") = "4"
    & skf21("1","3","3","5","2","1","2","1") = "4"
    & skf21("1","3","3","5","2","1","3","1") = "4"
    & skf21("1","3","3","5","2","1","4","1") = "4"
    & skf21("1","3","3","5","2","1","5","1") = "4"
    & skf21("1","3","3","5","2","1","6","1") = "5"
    & skf21("1","3","3","5","2","1","7","1") = "6"
    & skf21("1","3","3","5","2","2","1","1") = "4"
    & skf21("1","3","3","5","2","2","2","1") = "4"
    & skf21("1","3","3","5","2","2","3","1") = "4"
    & skf21("1","3","3","5","2","2","4","1") = "4"
    & skf21("1","3","3","5","2","2","5","1") = "4"
    & skf21("1","3","3","5","2","2","6","1") = "5"
    & skf21("1","3","3","5","2","2","7","1") = "6"
    & skf21("1","3","3","5","2","3","1","1") = "4"
    & skf21("1","3","3","5","2","3","2","1") = "4"
    & skf21("1","3","3","5","2","3","3","1") = "4"
    & skf21("1","3","3","5","2","3","4","1") = "4"
    & skf21("1","3","3","5","2","3","5","1") = "4"
    & skf21("1","3","3","5","2","3","6","1") = "5"
    & skf21("1","3","3","5","2","3","7","1") = "6"
    & skf21("1","3","3","5","2","4","1","1") = "4"
    & skf21("1","3","3","5","2","4","2","1") = "4"
    & skf21("1","3","3","5","2","4","3","1") = "4"
    & skf21("1","3","3","5","2","4","4","1") = "4"
    & skf21("1","3","3","5","2","4","5","1") = "4"
    & skf21("1","3","3","5","2","4","6","1") = "5"
    & skf21("1","3","3","5","2","4","7","1") = "6"
    & skf21("1","3","3","5","2","5","1","1") = "4"
    & skf21("1","3","3","5","2","5","2","1") = "4"
    & skf21("1","3","3","5","2","5","3","1") = "4"
    & skf21("1","3","3","5","2","5","4","1") = "4"
    & skf21("1","3","3","5","2","5","5","1") = "4"
    & skf21("1","3","3","5","2","5","6","1") = "5"
    & skf21("1","3","3","5","2","5","7","1") = "6"
    & skf21("1","3","3","5","2","6","1","1") = "5"
    & skf21("1","3","3","5","2","6","2","1") = "5"
    & skf21("1","3","3","5","2","6","3","1") = "5"
    & skf21("1","3","3","5","2","6","4","1") = "5"
    & skf21("1","3","3","5","2","6","5","1") = "5"
    & skf21("1","3","3","5","2","6","6","1") = "5"
    & skf21("1","3","3","5","2","6","7","1") = "6"
    & skf21("1","3","3","5","2","7","1","1") = "6"
    & skf21("1","3","3","5","2","7","2","1") = "6"
    & skf21("1","3","3","5","2","7","3","1") = "6"
    & skf21("1","3","3","5","2","7","4","1") = "6"
    & skf21("1","3","3","5","2","7","5","1") = "6"
    & skf21("1","3","3","5","2","7","6","1") = "6"
    & skf21("1","3","3","5","2","7","7","1") = "6"
    & skf21("1","3","3","5","3","1","1","1") = "4"
    & skf21("1","3","3","5","3","1","2","1") = "4"
    & skf21("1","3","3","5","3","1","3","1") = "4"
    & skf21("1","3","3","5","3","1","4","1") = "4"
    & skf21("1","3","3","5","3","1","5","1") = "4"
    & skf21("1","3","3","5","3","1","6","1") = "5"
    & skf21("1","3","3","5","3","1","7","1") = "6"
    & skf21("1","3","3","5","3","2","1","1") = "4"
    & skf21("1","3","3","5","3","2","2","1") = "4"
    & skf21("1","3","3","5","3","2","3","1") = "4"
    & skf21("1","3","3","5","3","2","4","1") = "4"
    & skf21("1","3","3","5","3","2","5","1") = "4"
    & skf21("1","3","3","5","3","2","6","1") = "5"
    & skf21("1","3","3","5","3","2","7","1") = "6"
    & skf21("1","3","3","5","3","3","1","1") = "4"
    & skf21("1","3","3","5","3","3","2","1") = "4"
    & skf21("1","3","3","5","3","3","3","1") = "4"
    & skf21("1","3","3","5","3","3","4","1") = "4"
    & skf21("1","3","3","5","3","3","5","1") = "4"
    & skf21("1","3","3","5","3","3","6","1") = "5"
    & skf21("1","3","3","5","3","3","7","1") = "6"
    & skf21("1","3","3","5","3","4","1","1") = "4"
    & skf21("1","3","3","5","3","4","2","1") = "4"
    & skf21("1","3","3","5","3","4","3","1") = "4"
    & skf21("1","3","3","5","3","4","4","1") = "4"
    & skf21("1","3","3","5","3","4","5","1") = "4"
    & skf21("1","3","3","5","3","4","6","1") = "5"
    & skf21("1","3","3","5","3","4","7","1") = "6"
    & skf21("1","3","3","5","3","5","1","1") = "4"
    & skf21("1","3","3","5","3","5","2","1") = "4"
    & skf21("1","3","3","5","3","5","3","1") = "4"
    & skf21("1","3","3","5","3","5","4","1") = "4"
    & skf21("1","3","3","5","3","5","5","1") = "4"
    & skf21("1","3","3","5","3","5","6","1") = "5"
    & skf21("1","3","3","5","3","5","7","1") = "6"
    & skf21("1","3","3","5","3","6","1","1") = "5"
    & skf21("1","3","3","5","3","6","2","1") = "5"
    & skf21("1","3","3","5","3","6","3","1") = "5"
    & skf21("1","3","3","5","3","6","4","1") = "5"
    & skf21("1","3","3","5","3","6","5","1") = "5"
    & skf21("1","3","3","5","3","6","6","1") = "5"
    & skf21("1","3","3","5","3","6","7","1") = "6"
    & skf21("1","3","3","5","3","7","1","1") = "6"
    & skf21("1","3","3","5","3","7","2","1") = "6"
    & skf21("1","3","3","5","3","7","3","1") = "6"
    & skf21("1","3","3","5","3","7","4","1") = "6"
    & skf21("1","3","3","5","3","7","5","1") = "6"
    & skf21("1","3","3","5","3","7","6","1") = "6"
    & skf21("1","3","3","5","3","7","7","1") = "6"
    & skf21("1","3","3","5","4","1","1","1") = "4"
    & skf21("1","3","3","5","4","1","2","1") = "4"
    & skf21("1","3","3","5","4","1","3","1") = "4"
    & skf21("1","3","3","5","4","1","4","1") = "4"
    & skf21("1","3","3","5","4","1","5","1") = "4"
    & skf21("1","3","3","5","4","1","6","1") = "5"
    & skf21("1","3","3","5","4","1","7","1") = "6"
    & skf21("1","3","3","5","4","2","1","1") = "4"
    & skf21("1","3","3","5","4","2","2","1") = "4"
    & skf21("1","3","3","5","4","2","3","1") = "4"
    & skf21("1","3","3","5","4","2","4","1") = "4"
    & skf21("1","3","3","5","4","2","5","1") = "4"
    & skf21("1","3","3","5","4","2","6","1") = "5"
    & skf21("1","3","3","5","4","2","7","1") = "6"
    & skf21("1","3","3","5","4","3","1","1") = "4"
    & skf21("1","3","3","5","4","3","2","1") = "4"
    & skf21("1","3","3","5","4","3","3","1") = "4"
    & skf21("1","3","3","5","4","3","4","1") = "4"
    & skf21("1","3","3","5","4","3","5","1") = "4"
    & skf21("1","3","3","5","4","3","6","1") = "5"
    & skf21("1","3","3","5","4","3","7","1") = "6"
    & skf21("1","3","3","5","4","4","1","1") = "4"
    & skf21("1","3","3","5","4","4","2","1") = "4"
    & skf21("1","3","3","5","4","4","3","1") = "4"
    & skf21("1","3","3","5","4","4","4","1") = "4"
    & skf21("1","3","3","5","4","4","5","1") = "4"
    & skf21("1","3","3","5","4","4","6","1") = "5"
    & skf21("1","3","3","5","4","4","7","1") = "6"
    & skf21("1","3","3","5","4","5","1","1") = "4"
    & skf21("1","3","3","5","4","5","2","1") = "4"
    & skf21("1","3","3","5","4","5","3","1") = "4"
    & skf21("1","3","3","5","4","5","4","1") = "4"
    & skf21("1","3","3","5","4","5","5","1") = "4"
    & skf21("1","3","3","5","4","5","6","1") = "5"
    & skf21("1","3","3","5","4","5","7","1") = "6"
    & skf21("1","3","3","5","4","6","1","1") = "5"
    & skf21("1","3","3","5","4","6","2","1") = "5"
    & skf21("1","3","3","5","4","6","3","1") = "5"
    & skf21("1","3","3","5","4","6","4","1") = "5"
    & skf21("1","3","3","5","4","6","5","1") = "5"
    & skf21("1","3","3","5","4","6","6","1") = "5"
    & skf21("1","3","3","5","4","6","7","1") = "6"
    & skf21("1","3","3","5","4","7","1","1") = "6"
    & skf21("1","3","3","5","4","7","2","1") = "6"
    & skf21("1","3","3","5","4","7","3","1") = "6"
    & skf21("1","3","3","5","4","7","4","1") = "6"
    & skf21("1","3","3","5","4","7","5","1") = "6"
    & skf21("1","3","3","5","4","7","6","1") = "6"
    & skf21("1","3","3","5","4","7","7","1") = "6"
    & skf21("1","3","3","5","5","1","1","1") = "4"
    & skf21("1","3","3","5","5","1","2","1") = "4"
    & skf21("1","3","3","5","5","1","3","1") = "4"
    & skf21("1","3","3","5","5","1","4","1") = "4"
    & skf21("1","3","3","5","5","1","5","1") = "4"
    & skf21("1","3","3","5","5","1","6","1") = "5"
    & skf21("1","3","3","5","5","1","7","1") = "6"
    & skf21("1","3","3","5","5","2","1","1") = "4"
    & skf21("1","3","3","5","5","2","2","1") = "4"
    & skf21("1","3","3","5","5","2","3","1") = "4"
    & skf21("1","3","3","5","5","2","4","1") = "4"
    & skf21("1","3","3","5","5","2","5","1") = "4"
    & skf21("1","3","3","5","5","2","6","1") = "5"
    & skf21("1","3","3","5","5","2","7","1") = "6"
    & skf21("1","3","3","5","5","3","1","1") = "4"
    & skf21("1","3","3","5","5","3","2","1") = "4"
    & skf21("1","3","3","5","5","3","3","1") = "4"
    & skf21("1","3","3","5","5","3","4","1") = "4"
    & skf21("1","3","3","5","5","3","5","1") = "4"
    & skf21("1","3","3","5","5","3","6","1") = "5"
    & skf21("1","3","3","5","5","3","7","1") = "6"
    & skf21("1","3","3","5","5","4","1","1") = "4"
    & skf21("1","3","3","5","5","4","2","1") = "4"
    & skf21("1","3","3","5","5","4","3","1") = "4"
    & skf21("1","3","3","5","5","4","4","1") = "4"
    & skf21("1","3","3","5","5","4","5","1") = "4"
    & skf21("1","3","3","5","5","4","6","1") = "5"
    & skf21("1","3","3","5","5","4","7","1") = "6"
    & skf21("1","3","3","5","5","5","1","1") = "4"
    & skf21("1","3","3","5","5","5","2","1") = "4"
    & skf21("1","3","3","5","5","5","3","1") = "4"
    & skf21("1","3","3","5","5","5","4","1") = "4"
    & skf21("1","3","3","5","5","5","5","1") = "4"
    & skf21("1","3","3","5","5","5","6","1") = "5"
    & skf21("1","3","3","5","5","5","7","1") = "6"
    & skf21("1","3","3","5","5","6","1","1") = "5"
    & skf21("1","3","3","5","5","6","2","1") = "5"
    & skf21("1","3","3","5","5","6","3","1") = "5"
    & skf21("1","3","3","5","5","6","4","1") = "5"
    & skf21("1","3","3","5","5","6","5","1") = "5"
    & skf21("1","3","3","5","5","6","6","1") = "5"
    & skf21("1","3","3","5","5","6","7","1") = "6"
    & skf21("1","3","3","5","5","7","1","1") = "6"
    & skf21("1","3","3","5","5","7","2","1") = "6"
    & skf21("1","3","3","5","5","7","3","1") = "6"
    & skf21("1","3","3","5","5","7","4","1") = "6"
    & skf21("1","3","3","5","5","7","5","1") = "6"
    & skf21("1","3","3","5","5","7","6","1") = "6"
    & skf21("1","3","3","5","5","7","7","1") = "6"
    & skf21("1","3","3","5","6","1","1","1") = "5"
    & skf21("1","3","3","5","6","1","2","1") = "5"
    & skf21("1","3","3","5","6","1","3","1") = "5"
    & skf21("1","3","3","5","6","1","4","1") = "5"
    & skf21("1","3","3","5","6","1","5","1") = "5"
    & skf21("1","3","3","5","6","1","6","1") = "5"
    & skf21("1","3","3","5","6","1","7","1") = "6"
    & skf21("1","3","3","5","6","2","1","1") = "5"
    & skf21("1","3","3","5","6","2","2","1") = "5"
    & skf21("1","3","3","5","6","2","3","1") = "5"
    & skf21("1","3","3","5","6","2","4","1") = "5"
    & skf21("1","3","3","5","6","2","5","1") = "5"
    & skf21("1","3","3","5","6","2","6","1") = "5"
    & skf21("1","3","3","5","6","2","7","1") = "6"
    & skf21("1","3","3","5","6","3","1","1") = "5"
    & skf21("1","3","3","5","6","3","2","1") = "5"
    & skf21("1","3","3","5","6","3","3","1") = "5"
    & skf21("1","3","3","5","6","3","4","1") = "5"
    & skf21("1","3","3","5","6","3","5","1") = "5"
    & skf21("1","3","3","5","6","3","6","1") = "5"
    & skf21("1","3","3","5","6","3","7","1") = "6"
    & skf21("1","3","3","5","6","4","1","1") = "5"
    & skf21("1","3","3","5","6","4","2","1") = "5"
    & skf21("1","3","3","5","6","4","3","1") = "5"
    & skf21("1","3","3","5","6","4","4","1") = "5"
    & skf21("1","3","3","5","6","4","5","1") = "5"
    & skf21("1","3","3","5","6","4","6","1") = "5"
    & skf21("1","3","3","5","6","4","7","1") = "6"
    & skf21("1","3","3","5","6","5","1","1") = "5"
    & skf21("1","3","3","5","6","5","2","1") = "5"
    & skf21("1","3","3","5","6","5","3","1") = "5"
    & skf21("1","3","3","5","6","5","4","1") = "5"
    & skf21("1","3","3","5","6","5","5","1") = "5"
    & skf21("1","3","3","5","6","5","6","1") = "5"
    & skf21("1","3","3","5","6","5","7","1") = "6"
    & skf21("1","3","3","5","6","6","1","1") = "5"
    & skf21("1","3","3","5","6","6","2","1") = "5"
    & skf21("1","3","3","5","6","6","3","1") = "5"
    & skf21("1","3","3","5","6","6","4","1") = "5"
    & skf21("1","3","3","5","6","6","5","1") = "5"
    & skf21("1","3","3","5","6","6","6","1") = "5"
    & skf21("1","3","3","5","6","6","7","1") = "6"
    & skf21("1","3","3","5","6","7","1","1") = "6"
    & skf21("1","3","3","5","6","7","2","1") = "6"
    & skf21("1","3","3","5","6","7","3","1") = "6"
    & skf21("1","3","3","5","6","7","4","1") = "6"
    & skf21("1","3","3","5","6","7","5","1") = "6"
    & skf21("1","3","3","5","6","7","6","1") = "6"
    & skf21("1","3","3","5","6","7","7","1") = "6"
    & skf21("1","3","3","5","7","1","1","1") = "6"
    & skf21("1","3","3","5","7","1","2","1") = "6"
    & skf21("1","3","3","5","7","1","3","1") = "6"
    & skf21("1","3","3","5","7","1","4","1") = "6"
    & skf21("1","3","3","5","7","1","5","1") = "6"
    & skf21("1","3","3","5","7","1","6","1") = "6"
    & skf21("1","3","3","5","7","1","7","1") = "6"
    & skf21("1","3","3","5","7","2","1","1") = "6"
    & skf21("1","3","3","5","7","2","2","1") = "6"
    & skf21("1","3","3","5","7","2","3","1") = "6"
    & skf21("1","3","3","5","7","2","4","1") = "6"
    & skf21("1","3","3","5","7","2","5","1") = "6"
    & skf21("1","3","3","5","7","2","6","1") = "6"
    & skf21("1","3","3","5","7","2","7","1") = "6"
    & skf21("1","3","3","5","7","3","1","1") = "6"
    & skf21("1","3","3","5","7","3","2","1") = "6"
    & skf21("1","3","3","5","7","3","3","1") = "6"
    & skf21("1","3","3","5","7","3","4","1") = "6"
    & skf21("1","3","3","5","7","3","5","1") = "6"
    & skf21("1","3","3","5","7","3","6","1") = "6"
    & skf21("1","3","3","5","7","3","7","1") = "6"
    & skf21("1","3","3","5","7","4","1","1") = "6"
    & skf21("1","3","3","5","7","4","2","1") = "6"
    & skf21("1","3","3","5","7","4","3","1") = "6"
    & skf21("1","3","3","5","7","4","4","1") = "6"
    & skf21("1","3","3","5","7","4","5","1") = "6"
    & skf21("1","3","3","5","7","4","6","1") = "6"
    & skf21("1","3","3","5","7","4","7","1") = "6"
    & skf21("1","3","3","5","7","5","1","1") = "6"
    & skf21("1","3","3","5","7","5","2","1") = "6"
    & skf21("1","3","3","5","7","5","3","1") = "6"
    & skf21("1","3","3","5","7","5","4","1") = "6"
    & skf21("1","3","3","5","7","5","5","1") = "6"
    & skf21("1","3","3","5","7","5","6","1") = "6"
    & skf21("1","3","3","5","7","5","7","1") = "6"
    & skf21("1","3","3","5","7","6","1","1") = "6"
    & skf21("1","3","3","5","7","6","2","1") = "6"
    & skf21("1","3","3","5","7","6","3","1") = "6"
    & skf21("1","3","3","5","7","6","4","1") = "6"
    & skf21("1","3","3","5","7","6","5","1") = "6"
    & skf21("1","3","3","5","7","6","6","1") = "6"
    & skf21("1","3","3","5","7","6","7","1") = "6"
    & skf21("1","3","3","5","7","7","1","1") = "6"
    & skf21("1","3","3","5","7","7","2","1") = "6"
    & skf21("1","3","3","5","7","7","3","1") = "6"
    & skf21("1","3","3","5","7","7","4","1") = "6"
    & skf21("1","3","3","5","7","7","5","1") = "6"
    & skf21("1","3","3","5","7","7","6","1") = "6"
    & skf21("1","3","3","5","7","7","7","1") = "6"
    & skf21("1","3","3","6","1","1","1","1") = "5"
    & skf21("1","3","3","6","1","1","2","1") = "5"
    & skf21("1","3","3","6","1","1","3","1") = "5"
    & skf21("1","3","3","6","1","1","4","1") = "5"
    & skf21("1","3","3","6","1","1","5","1") = "5"
    & skf21("1","3","3","6","1","1","6","1") = "5"
    & skf21("1","3","3","6","1","1","7","1") = "6"
    & skf21("1","3","3","6","1","2","1","1") = "5"
    & skf21("1","3","3","6","1","2","2","1") = "5"
    & skf21("1","3","3","6","1","2","3","1") = "5"
    & skf21("1","3","3","6","1","2","4","1") = "5"
    & skf21("1","3","3","6","1","2","5","1") = "5"
    & skf21("1","3","3","6","1","2","6","1") = "5"
    & skf21("1","3","3","6","1","2","7","1") = "6"
    & skf21("1","3","3","6","1","3","1","1") = "5"
    & skf21("1","3","3","6","1","3","2","1") = "5"
    & skf21("1","3","3","6","1","3","3","1") = "5"
    & skf21("1","3","3","6","1","3","4","1") = "5"
    & skf21("1","3","3","6","1","3","5","1") = "5"
    & skf21("1","3","3","6","1","3","6","1") = "5"
    & skf21("1","3","3","6","1","3","7","1") = "6"
    & skf21("1","3","3","6","1","4","1","1") = "5"
    & skf21("1","3","3","6","1","4","2","1") = "5"
    & skf21("1","3","3","6","1","4","3","1") = "5"
    & skf21("1","3","3","6","1","4","4","1") = "5"
    & skf21("1","3","3","6","1","4","5","1") = "5"
    & skf21("1","3","3","6","1","4","6","1") = "5"
    & skf21("1","3","3","6","1","4","7","1") = "6"
    & skf21("1","3","3","6","1","5","1","1") = "5"
    & skf21("1","3","3","6","1","5","2","1") = "5"
    & skf21("1","3","3","6","1","5","3","1") = "5"
    & skf21("1","3","3","6","1","5","4","1") = "5"
    & skf21("1","3","3","6","1","5","5","1") = "5"
    & skf21("1","3","3","6","1","5","6","1") = "5"
    & skf21("1","3","3","6","1","5","7","1") = "6"
    & skf21("1","3","3","6","1","6","1","1") = "5"
    & skf21("1","3","3","6","1","6","2","1") = "5"
    & skf21("1","3","3","6","1","6","3","1") = "5"
    & skf21("1","3","3","6","1","6","4","1") = "5"
    & skf21("1","3","3","6","1","6","5","1") = "5"
    & skf21("1","3","3","6","1","6","6","1") = "5"
    & skf21("1","3","3","6","1","6","7","1") = "6"
    & skf21("1","3","3","6","1","7","1","1") = "6"
    & skf21("1","3","3","6","1","7","2","1") = "6"
    & skf21("1","3","3","6","1","7","3","1") = "6"
    & skf21("1","3","3","6","1","7","4","1") = "6"
    & skf21("1","3","3","6","1","7","5","1") = "6"
    & skf21("1","3","3","6","1","7","6","1") = "6"
    & skf21("1","3","3","6","1","7","7","1") = "6"
    & skf21("1","3","3","6","2","1","1","1") = "5"
    & skf21("1","3","3","6","2","1","2","1") = "5"
    & skf21("1","3","3","6","2","1","3","1") = "5"
    & skf21("1","3","3","6","2","1","4","1") = "5"
    & skf21("1","3","3","6","2","1","5","1") = "5"
    & skf21("1","3","3","6","2","1","6","1") = "5"
    & skf21("1","3","3","6","2","1","7","1") = "6"
    & skf21("1","3","3","6","2","2","1","1") = "5"
    & skf21("1","3","3","6","2","2","2","1") = "5"
    & skf21("1","3","3","6","2","2","3","1") = "5"
    & skf21("1","3","3","6","2","2","4","1") = "5"
    & skf21("1","3","3","6","2","2","5","1") = "5"
    & skf21("1","3","3","6","2","2","6","1") = "5"
    & skf21("1","3","3","6","2","2","7","1") = "6"
    & skf21("1","3","3","6","2","3","1","1") = "5"
    & skf21("1","3","3","6","2","3","2","1") = "5"
    & skf21("1","3","3","6","2","3","3","1") = "5"
    & skf21("1","3","3","6","2","3","4","1") = "5"
    & skf21("1","3","3","6","2","3","5","1") = "5"
    & skf21("1","3","3","6","2","3","6","1") = "5"
    & skf21("1","3","3","6","2","3","7","1") = "6"
    & skf21("1","3","3","6","2","4","1","1") = "5"
    & skf21("1","3","3","6","2","4","2","1") = "5"
    & skf21("1","3","3","6","2","4","3","1") = "5"
    & skf21("1","3","3","6","2","4","4","1") = "5"
    & skf21("1","3","3","6","2","4","5","1") = "5"
    & skf21("1","3","3","6","2","4","6","1") = "5"
    & skf21("1","3","3","6","2","4","7","1") = "6"
    & skf21("1","3","3","6","2","5","1","1") = "5"
    & skf21("1","3","3","6","2","5","2","1") = "5"
    & skf21("1","3","3","6","2","5","3","1") = "5"
    & skf21("1","3","3","6","2","5","4","1") = "5"
    & skf21("1","3","3","6","2","5","5","1") = "5"
    & skf21("1","3","3","6","2","5","6","1") = "5"
    & skf21("1","3","3","6","2","5","7","1") = "6"
    & skf21("1","3","3","6","2","6","1","1") = "5"
    & skf21("1","3","3","6","2","6","2","1") = "5"
    & skf21("1","3","3","6","2","6","3","1") = "5"
    & skf21("1","3","3","6","2","6","4","1") = "5"
    & skf21("1","3","3","6","2","6","5","1") = "5"
    & skf21("1","3","3","6","2","6","6","1") = "5"
    & skf21("1","3","3","6","2","6","7","1") = "6"
    & skf21("1","3","3","6","2","7","1","1") = "6"
    & skf21("1","3","3","6","2","7","2","1") = "6"
    & skf21("1","3","3","6","2","7","3","1") = "6"
    & skf21("1","3","3","6","2","7","4","1") = "6"
    & skf21("1","3","3","6","2","7","5","1") = "6"
    & skf21("1","3","3","6","2","7","6","1") = "6"
    & skf21("1","3","3","6","2","7","7","1") = "6"
    & skf21("1","3","3","6","3","1","1","1") = "5"
    & skf21("1","3","3","6","3","1","2","1") = "5"
    & skf21("1","3","3","6","3","1","3","1") = "5"
    & skf21("1","3","3","6","3","1","4","1") = "5"
    & skf21("1","3","3","6","3","1","5","1") = "5"
    & skf21("1","3","3","6","3","1","6","1") = "5"
    & skf21("1","3","3","6","3","1","7","1") = "6"
    & skf21("1","3","3","6","3","2","1","1") = "5"
    & skf21("1","3","3","6","3","2","2","1") = "5"
    & skf21("1","3","3","6","3","2","3","1") = "5"
    & skf21("1","3","3","6","3","2","4","1") = "5"
    & skf21("1","3","3","6","3","2","5","1") = "5"
    & skf21("1","3","3","6","3","2","6","1") = "5"
    & skf21("1","3","3","6","3","2","7","1") = "6"
    & skf21("1","3","3","6","3","3","1","1") = "5"
    & skf21("1","3","3","6","3","3","2","1") = "5"
    & skf21("1","3","3","6","3","3","3","1") = "5"
    & skf21("1","3","3","6","3","3","4","1") = "5"
    & skf21("1","3","3","6","3","3","5","1") = "5"
    & skf21("1","3","3","6","3","3","6","1") = "5"
    & skf21("1","3","3","6","3","3","7","1") = "6"
    & skf21("1","3","3","6","3","4","1","1") = "5"
    & skf21("1","3","3","6","3","4","2","1") = "5"
    & skf21("1","3","3","6","3","4","3","1") = "5"
    & skf21("1","3","3","6","3","4","4","1") = "5"
    & skf21("1","3","3","6","3","4","5","1") = "5"
    & skf21("1","3","3","6","3","4","6","1") = "5"
    & skf21("1","3","3","6","3","4","7","1") = "6"
    & skf21("1","3","3","6","3","5","1","1") = "5"
    & skf21("1","3","3","6","3","5","2","1") = "5"
    & skf21("1","3","3","6","3","5","3","1") = "5"
    & skf21("1","3","3","6","3","5","4","1") = "5"
    & skf21("1","3","3","6","3","5","5","1") = "5"
    & skf21("1","3","3","6","3","5","6","1") = "5"
    & skf21("1","3","3","6","3","5","7","1") = "6"
    & skf21("1","3","3","6","3","6","1","1") = "5"
    & skf21("1","3","3","6","3","6","2","1") = "5"
    & skf21("1","3","3","6","3","6","3","1") = "5"
    & skf21("1","3","3","6","3","6","4","1") = "5"
    & skf21("1","3","3","6","3","6","5","1") = "5"
    & skf21("1","3","3","6","3","6","6","1") = "5"
    & skf21("1","3","3","6","3","6","7","1") = "6"
    & skf21("1","3","3","6","3","7","1","1") = "6"
    & skf21("1","3","3","6","3","7","2","1") = "6"
    & skf21("1","3","3","6","3","7","3","1") = "6"
    & skf21("1","3","3","6","3","7","4","1") = "6"
    & skf21("1","3","3","6","3","7","5","1") = "6"
    & skf21("1","3","3","6","3","7","6","1") = "6"
    & skf21("1","3","3","6","3","7","7","1") = "6"
    & skf21("1","3","3","6","4","1","1","1") = "5"
    & skf21("1","3","3","6","4","1","2","1") = "5"
    & skf21("1","3","3","6","4","1","3","1") = "5"
    & skf21("1","3","3","6","4","1","4","1") = "5"
    & skf21("1","3","3","6","4","1","5","1") = "5"
    & skf21("1","3","3","6","4","1","6","1") = "5"
    & skf21("1","3","3","6","4","1","7","1") = "6"
    & skf21("1","3","3","6","4","2","1","1") = "5"
    & skf21("1","3","3","6","4","2","2","1") = "5"
    & skf21("1","3","3","6","4","2","3","1") = "5"
    & skf21("1","3","3","6","4","2","4","1") = "5"
    & skf21("1","3","3","6","4","2","5","1") = "5"
    & skf21("1","3","3","6","4","2","6","1") = "5"
    & skf21("1","3","3","6","4","2","7","1") = "6"
    & skf21("1","3","3","6","4","3","1","1") = "5"
    & skf21("1","3","3","6","4","3","2","1") = "5"
    & skf21("1","3","3","6","4","3","3","1") = "5"
    & skf21("1","3","3","6","4","3","4","1") = "5"
    & skf21("1","3","3","6","4","3","5","1") = "5"
    & skf21("1","3","3","6","4","3","6","1") = "5"
    & skf21("1","3","3","6","4","3","7","1") = "6"
    & skf21("1","3","3","6","4","4","1","1") = "5"
    & skf21("1","3","3","6","4","4","2","1") = "5"
    & skf21("1","3","3","6","4","4","3","1") = "5"
    & skf21("1","3","3","6","4","4","4","1") = "5"
    & skf21("1","3","3","6","4","4","5","1") = "5"
    & skf21("1","3","3","6","4","4","6","1") = "5"
    & skf21("1","3","3","6","4","4","7","1") = "6"
    & skf21("1","3","3","6","4","5","1","1") = "5"
    & skf21("1","3","3","6","4","5","2","1") = "5"
    & skf21("1","3","3","6","4","5","3","1") = "5"
    & skf21("1","3","3","6","4","5","4","1") = "5"
    & skf21("1","3","3","6","4","5","5","1") = "5"
    & skf21("1","3","3","6","4","5","6","1") = "5"
    & skf21("1","3","3","6","4","5","7","1") = "6"
    & skf21("1","3","3","6","4","6","1","1") = "5"
    & skf21("1","3","3","6","4","6","2","1") = "5"
    & skf21("1","3","3","6","4","6","3","1") = "5"
    & skf21("1","3","3","6","4","6","4","1") = "5"
    & skf21("1","3","3","6","4","6","5","1") = "5"
    & skf21("1","3","3","6","4","6","6","1") = "5"
    & skf21("1","3","3","6","4","6","7","1") = "6"
    & skf21("1","3","3","6","4","7","1","1") = "6"
    & skf21("1","3","3","6","4","7","2","1") = "6"
    & skf21("1","3","3","6","4","7","3","1") = "6"
    & skf21("1","3","3","6","4","7","4","1") = "6"
    & skf21("1","3","3","6","4","7","5","1") = "6"
    & skf21("1","3","3","6","4","7","6","1") = "6"
    & skf21("1","3","3","6","4","7","7","1") = "6"
    & skf21("1","3","3","6","5","1","1","1") = "5"
    & skf21("1","3","3","6","5","1","2","1") = "5"
    & skf21("1","3","3","6","5","1","3","1") = "5"
    & skf21("1","3","3","6","5","1","4","1") = "5"
    & skf21("1","3","3","6","5","1","5","1") = "5"
    & skf21("1","3","3","6","5","1","6","1") = "5"
    & skf21("1","3","3","6","5","1","7","1") = "6"
    & skf21("1","3","3","6","5","2","1","1") = "5"
    & skf21("1","3","3","6","5","2","2","1") = "5"
    & skf21("1","3","3","6","5","2","3","1") = "5"
    & skf21("1","3","3","6","5","2","4","1") = "5"
    & skf21("1","3","3","6","5","2","5","1") = "5"
    & skf21("1","3","3","6","5","2","6","1") = "5"
    & skf21("1","3","3","6","5","2","7","1") = "6"
    & skf21("1","3","3","6","5","3","1","1") = "5"
    & skf21("1","3","3","6","5","3","2","1") = "5"
    & skf21("1","3","3","6","5","3","3","1") = "5"
    & skf21("1","3","3","6","5","3","4","1") = "5"
    & skf21("1","3","3","6","5","3","5","1") = "5"
    & skf21("1","3","3","6","5","3","6","1") = "5"
    & skf21("1","3","3","6","5","3","7","1") = "6"
    & skf21("1","3","3","6","5","4","1","1") = "5"
    & skf21("1","3","3","6","5","4","2","1") = "5"
    & skf21("1","3","3","6","5","4","3","1") = "5"
    & skf21("1","3","3","6","5","4","4","1") = "5"
    & skf21("1","3","3","6","5","4","5","1") = "5"
    & skf21("1","3","3","6","5","4","6","1") = "5"
    & skf21("1","3","3","6","5","4","7","1") = "6"
    & skf21("1","3","3","6","5","5","1","1") = "5"
    & skf21("1","3","3","6","5","5","2","1") = "5"
    & skf21("1","3","3","6","5","5","3","1") = "5"
    & skf21("1","3","3","6","5","5","4","1") = "5"
    & skf21("1","3","3","6","5","5","5","1") = "5"
    & skf21("1","3","3","6","5","5","6","1") = "5"
    & skf21("1","3","3","6","5","5","7","1") = "6"
    & skf21("1","3","3","6","5","6","1","1") = "5"
    & skf21("1","3","3","6","5","6","2","1") = "5"
    & skf21("1","3","3","6","5","6","3","1") = "5"
    & skf21("1","3","3","6","5","6","4","1") = "5"
    & skf21("1","3","3","6","5","6","5","1") = "5"
    & skf21("1","3","3","6","5","6","6","1") = "5"
    & skf21("1","3","3","6","5","6","7","1") = "6"
    & skf21("1","3","3","6","5","7","1","1") = "6"
    & skf21("1","3","3","6","5","7","2","1") = "6"
    & skf21("1","3","3","6","5","7","3","1") = "6"
    & skf21("1","3","3","6","5","7","4","1") = "6"
    & skf21("1","3","3","6","5","7","5","1") = "6"
    & skf21("1","3","3","6","5","7","6","1") = "6"
    & skf21("1","3","3","6","5","7","7","1") = "6"
    & skf21("1","3","3","6","6","1","1","1") = "5"
    & skf21("1","3","3","6","6","1","2","1") = "5"
    & skf21("1","3","3","6","6","1","3","1") = "5"
    & skf21("1","3","3","6","6","1","4","1") = "5"
    & skf21("1","3","3","6","6","1","5","1") = "5"
    & skf21("1","3","3","6","6","1","6","1") = "5"
    & skf21("1","3","3","6","6","1","7","1") = "6"
    & skf21("1","3","3","6","6","2","1","1") = "5"
    & skf21("1","3","3","6","6","2","2","1") = "5"
    & skf21("1","3","3","6","6","2","3","1") = "5"
    & skf21("1","3","3","6","6","2","4","1") = "5"
    & skf21("1","3","3","6","6","2","5","1") = "5"
    & skf21("1","3","3","6","6","2","6","1") = "5"
    & skf21("1","3","3","6","6","2","7","1") = "6"
    & skf21("1","3","3","6","6","3","1","1") = "5"
    & skf21("1","3","3","6","6","3","2","1") = "5"
    & skf21("1","3","3","6","6","3","3","1") = "5"
    & skf21("1","3","3","6","6","3","4","1") = "5"
    & skf21("1","3","3","6","6","3","5","1") = "5"
    & skf21("1","3","3","6","6","3","6","1") = "5"
    & skf21("1","3","3","6","6","3","7","1") = "6"
    & skf21("1","3","3","6","6","4","1","1") = "5"
    & skf21("1","3","3","6","6","4","2","1") = "5"
    & skf21("1","3","3","6","6","4","3","1") = "5"
    & skf21("1","3","3","6","6","4","4","1") = "5"
    & skf21("1","3","3","6","6","4","5","1") = "5"
    & skf21("1","3","3","6","6","4","6","1") = "5"
    & skf21("1","3","3","6","6","4","7","1") = "6"
    & skf21("1","3","3","6","6","5","1","1") = "5"
    & skf21("1","3","3","6","6","5","2","1") = "5"
    & skf21("1","3","3","6","6","5","3","1") = "5"
    & skf21("1","3","3","6","6","5","4","1") = "5"
    & skf21("1","3","3","6","6","5","5","1") = "5"
    & skf21("1","3","3","6","6","5","6","1") = "5"
    & skf21("1","3","3","6","6","5","7","1") = "6"
    & skf21("1","3","3","6","6","6","1","1") = "5"
    & skf21("1","3","3","6","6","6","2","1") = "5"
    & skf21("1","3","3","6","6","6","3","1") = "5"
    & skf21("1","3","3","6","6","6","4","1") = "5"
    & skf21("1","3","3","6","6","6","5","1") = "5"
    & skf21("1","3","3","6","6","6","6","1") = "5"
    & skf21("1","3","3","6","6","6","7","1") = "6"
    & skf21("1","3","3","6","6","7","1","1") = "6"
    & skf21("1","3","3","6","6","7","2","1") = "6"
    & skf21("1","3","3","6","6","7","3","1") = "6"
    & skf21("1","3","3","6","6","7","4","1") = "6"
    & skf21("1","3","3","6","6","7","5","1") = "6"
    & skf21("1","3","3","6","6","7","6","1") = "6"
    & skf21("1","3","3","6","6","7","7","1") = "6"
    & skf21("1","3","3","6","7","1","1","1") = "6"
    & skf21("1","3","3","6","7","1","2","1") = "6"
    & skf21("1","3","3","6","7","1","3","1") = "6"
    & skf21("1","3","3","6","7","1","4","1") = "6"
    & skf21("1","3","3","6","7","1","5","1") = "6"
    & skf21("1","3","3","6","7","1","6","1") = "6"
    & skf21("1","3","3","6","7","1","7","1") = "6"
    & skf21("1","3","3","6","7","2","1","1") = "6"
    & skf21("1","3","3","6","7","2","2","1") = "6"
    & skf21("1","3","3","6","7","2","3","1") = "6"
    & skf21("1","3","3","6","7","2","4","1") = "6"
    & skf21("1","3","3","6","7","2","5","1") = "6"
    & skf21("1","3","3","6","7","2","6","1") = "6"
    & skf21("1","3","3","6","7","2","7","1") = "6"
    & skf21("1","3","3","6","7","3","1","1") = "6"
    & skf21("1","3","3","6","7","3","2","1") = "6"
    & skf21("1","3","3","6","7","3","3","1") = "6"
    & skf21("1","3","3","6","7","3","4","1") = "6"
    & skf21("1","3","3","6","7","3","5","1") = "6"
    & skf21("1","3","3","6","7","3","6","1") = "6"
    & skf21("1","3","3","6","7","3","7","1") = "6"
    & skf21("1","3","3","6","7","4","1","1") = "6"
    & skf21("1","3","3","6","7","4","2","1") = "6"
    & skf21("1","3","3","6","7","4","3","1") = "6"
    & skf21("1","3","3","6","7","4","4","1") = "6"
    & skf21("1","3","3","6","7","4","5","1") = "6"
    & skf21("1","3","3","6","7","4","6","1") = "6"
    & skf21("1","3","3","6","7","4","7","1") = "6"
    & skf21("1","3","3","6","7","5","1","1") = "6"
    & skf21("1","3","3","6","7","5","2","1") = "6"
    & skf21("1","3","3","6","7","5","3","1") = "6"
    & skf21("1","3","3","6","7","5","4","1") = "6"
    & skf21("1","3","3","6","7","5","5","1") = "6"
    & skf21("1","3","3","6","7","5","6","1") = "6"
    & skf21("1","3","3","6","7","5","7","1") = "6"
    & skf21("1","3","3","6","7","6","1","1") = "6"
    & skf21("1","3","3","6","7","6","2","1") = "6"
    & skf21("1","3","3","6","7","6","3","1") = "6"
    & skf21("1","3","3","6","7","6","4","1") = "6"
    & skf21("1","3","3","6","7","6","5","1") = "6"
    & skf21("1","3","3","6","7","6","6","1") = "6"
    & skf21("1","3","3","6","7","6","7","1") = "6"
    & skf21("1","3","3","6","7","7","1","1") = "6"
    & skf21("1","3","3","6","7","7","2","1") = "6"
    & skf21("1","3","3","6","7","7","3","1") = "6"
    & skf21("1","3","3","6","7","7","4","1") = "6"
    & skf21("1","3","3","6","7","7","5","1") = "6"
    & skf21("1","3","3","6","7","7","6","1") = "6"
    & skf21("1","3","3","6","7","7","7","1") = "6"
    & skf21("1","3","3","7","1","1","1","1") = "6"
    & skf21("1","3","3","7","1","1","2","1") = "6"
    & skf21("1","3","3","7","1","1","3","1") = "6"
    & skf21("1","3","3","7","1","1","4","1") = "6"
    & skf21("1","3","3","7","1","1","5","1") = "6"
    & skf21("1","3","3","7","1","1","6","1") = "6"
    & skf21("1","3","3","7","1","1","7","1") = "6"
    & skf21("1","3","3","7","1","2","1","1") = "6"
    & skf21("1","3","3","7","1","2","2","1") = "6"
    & skf21("1","3","3","7","1","2","3","1") = "6"
    & skf21("1","3","3","7","1","2","4","1") = "6"
    & skf21("1","3","3","7","1","2","5","1") = "6"
    & skf21("1","3","3","7","1","2","6","1") = "6"
    & skf21("1","3","3","7","1","2","7","1") = "6"
    & skf21("1","3","3","7","1","3","1","1") = "6"
    & skf21("1","3","3","7","1","3","2","1") = "6"
    & skf21("1","3","3","7","1","3","3","1") = "6"
    & skf21("1","3","3","7","1","3","4","1") = "6"
    & skf21("1","3","3","7","1","3","5","1") = "6"
    & skf21("1","3","3","7","1","3","6","1") = "6"
    & skf21("1","3","3","7","1","3","7","1") = "6"
    & skf21("1","3","3","7","1","4","1","1") = "6"
    & skf21("1","3","3","7","1","4","2","1") = "6"
    & skf21("1","3","3","7","1","4","3","1") = "6"
    & skf21("1","3","3","7","1","4","4","1") = "6"
    & skf21("1","3","3","7","1","4","5","1") = "6"
    & skf21("1","3","3","7","1","4","6","1") = "6"
    & skf21("1","3","3","7","1","4","7","1") = "6"
    & skf21("1","3","3","7","1","5","1","1") = "6"
    & skf21("1","3","3","7","1","5","2","1") = "6"
    & skf21("1","3","3","7","1","5","3","1") = "6"
    & skf21("1","3","3","7","1","5","4","1") = "6"
    & skf21("1","3","3","7","1","5","5","1") = "6"
    & skf21("1","3","3","7","1","5","6","1") = "6"
    & skf21("1","3","3","7","1","5","7","1") = "6"
    & skf21("1","3","3","7","1","6","1","1") = "6"
    & skf21("1","3","3","7","1","6","2","1") = "6"
    & skf21("1","3","3","7","1","6","3","1") = "6"
    & skf21("1","3","3","7","1","6","4","1") = "6"
    & skf21("1","3","3","7","1","6","5","1") = "6"
    & skf21("1","3","3","7","1","6","6","1") = "6"
    & skf21("1","3","3","7","1","6","7","1") = "6"
    & skf21("1","3","3","7","1","7","1","1") = "6"
    & skf21("1","3","3","7","1","7","2","1") = "6"
    & skf21("1","3","3","7","1","7","3","1") = "6"
    & skf21("1","3","3","7","1","7","4","1") = "6"
    & skf21("1","3","3","7","1","7","5","1") = "6"
    & skf21("1","3","3","7","1","7","6","1") = "6"
    & skf21("1","3","3","7","1","7","7","1") = "6"
    & skf21("1","3","3","7","2","1","1","1") = "6"
    & skf21("1","3","3","7","2","1","2","1") = "6"
    & skf21("1","3","3","7","2","1","3","1") = "6"
    & skf21("1","3","3","7","2","1","4","1") = "6"
    & skf21("1","3","3","7","2","1","5","1") = "6"
    & skf21("1","3","3","7","2","1","6","1") = "6"
    & skf21("1","3","3","7","2","1","7","1") = "6"
    & skf21("1","3","3","7","2","2","1","1") = "6"
    & skf21("1","3","3","7","2","2","2","1") = "6"
    & skf21("1","3","3","7","2","2","3","1") = "6"
    & skf21("1","3","3","7","2","2","4","1") = "6"
    & skf21("1","3","3","7","2","2","5","1") = "6"
    & skf21("1","3","3","7","2","2","6","1") = "6"
    & skf21("1","3","3","7","2","2","7","1") = "6"
    & skf21("1","3","3","7","2","3","1","1") = "6"
    & skf21("1","3","3","7","2","3","2","1") = "6"
    & skf21("1","3","3","7","2","3","3","1") = "6"
    & skf21("1","3","3","7","2","3","4","1") = "6"
    & skf21("1","3","3","7","2","3","5","1") = "6"
    & skf21("1","3","3","7","2","3","6","1") = "6"
    & skf21("1","3","3","7","2","3","7","1") = "6"
    & skf21("1","3","3","7","2","4","1","1") = "6"
    & skf21("1","3","3","7","2","4","2","1") = "6"
    & skf21("1","3","3","7","2","4","3","1") = "6"
    & skf21("1","3","3","7","2","4","4","1") = "6"
    & skf21("1","3","3","7","2","4","5","1") = "6"
    & skf21("1","3","3","7","2","4","6","1") = "6"
    & skf21("1","3","3","7","2","4","7","1") = "6"
    & skf21("1","3","3","7","2","5","1","1") = "6"
    & skf21("1","3","3","7","2","5","2","1") = "6"
    & skf21("1","3","3","7","2","5","3","1") = "6"
    & skf21("1","3","3","7","2","5","4","1") = "6"
    & skf21("1","3","3","7","2","5","5","1") = "6"
    & skf21("1","3","3","7","2","5","6","1") = "6"
    & skf21("1","3","3","7","2","5","7","1") = "6"
    & skf21("1","3","3","7","2","6","1","1") = "6"
    & skf21("1","3","3","7","2","6","2","1") = "6"
    & skf21("1","3","3","7","2","6","3","1") = "6"
    & skf21("1","3","3","7","2","6","4","1") = "6"
    & skf21("1","3","3","7","2","6","5","1") = "6"
    & skf21("1","3","3","7","2","6","6","1") = "6"
    & skf21("1","3","3","7","2","6","7","1") = "6"
    & skf21("1","3","3","7","2","7","1","1") = "6"
    & skf21("1","3","3","7","2","7","2","1") = "6"
    & skf21("1","3","3","7","2","7","3","1") = "6"
    & skf21("1","3","3","7","2","7","4","1") = "6"
    & skf21("1","3","3","7","2","7","5","1") = "6"
    & skf21("1","3","3","7","2","7","6","1") = "6"
    & skf21("1","3","3","7","2","7","7","1") = "6"
    & skf21("1","3","3","7","3","1","1","1") = "6"
    & skf21("1","3","3","7","3","1","2","1") = "6"
    & skf21("1","3","3","7","3","1","3","1") = "6"
    & skf21("1","3","3","7","3","1","4","1") = "6"
    & skf21("1","3","3","7","3","1","5","1") = "6"
    & skf21("1","3","3","7","3","1","6","1") = "6"
    & skf21("1","3","3","7","3","1","7","1") = "6"
    & skf21("1","3","3","7","3","2","1","1") = "6"
    & skf21("1","3","3","7","3","2","2","1") = "6"
    & skf21("1","3","3","7","3","2","3","1") = "6"
    & skf21("1","3","3","7","3","2","4","1") = "6"
    & skf21("1","3","3","7","3","2","5","1") = "6"
    & skf21("1","3","3","7","3","2","6","1") = "6"
    & skf21("1","3","3","7","3","2","7","1") = "6"
    & skf21("1","3","3","7","3","3","1","1") = "6"
    & skf21("1","3","3","7","3","3","2","1") = "6"
    & skf21("1","3","3","7","3","3","3","1") = "6"
    & skf21("1","3","3","7","3","3","4","1") = "6"
    & skf21("1","3","3","7","3","3","5","1") = "6"
    & skf21("1","3","3","7","3","3","6","1") = "6"
    & skf21("1","3","3","7","3","3","7","1") = "6"
    & skf21("1","3","3","7","3","4","1","1") = "6"
    & skf21("1","3","3","7","3","4","2","1") = "6"
    & skf21("1","3","3","7","3","4","3","1") = "6"
    & skf21("1","3","3","7","3","4","4","1") = "6"
    & skf21("1","3","3","7","3","4","5","1") = "6"
    & skf21("1","3","3","7","3","4","6","1") = "6"
    & skf21("1","3","3","7","3","4","7","1") = "6"
    & skf21("1","3","3","7","3","5","1","1") = "6"
    & skf21("1","3","3","7","3","5","2","1") = "6"
    & skf21("1","3","3","7","3","5","3","1") = "6"
    & skf21("1","3","3","7","3","5","4","1") = "6"
    & skf21("1","3","3","7","3","5","5","1") = "6"
    & skf21("1","3","3","7","3","5","6","1") = "6"
    & skf21("1","3","3","7","3","5","7","1") = "6"
    & skf21("1","3","3","7","3","6","1","1") = "6"
    & skf21("1","3","3","7","3","6","2","1") = "6"
    & skf21("1","3","3","7","3","6","3","1") = "6"
    & skf21("1","3","3","7","3","6","4","1") = "6"
    & skf21("1","3","3","7","3","6","5","1") = "6"
    & skf21("1","3","3","7","3","6","6","1") = "6"
    & skf21("1","3","3","7","3","6","7","1") = "6"
    & skf21("1","3","3","7","3","7","1","1") = "6"
    & skf21("1","3","3","7","3","7","2","1") = "6"
    & skf21("1","3","3","7","3","7","3","1") = "6"
    & skf21("1","3","3","7","3","7","4","1") = "6"
    & skf21("1","3","3","7","3","7","5","1") = "6"
    & skf21("1","3","3","7","3","7","6","1") = "6"
    & skf21("1","3","3","7","3","7","7","1") = "6"
    & skf21("1","3","3","7","4","1","1","1") = "6"
    & skf21("1","3","3","7","4","1","2","1") = "6"
    & skf21("1","3","3","7","4","1","3","1") = "6"
    & skf21("1","3","3","7","4","1","4","1") = "6"
    & skf21("1","3","3","7","4","1","5","1") = "6"
    & skf21("1","3","3","7","4","1","6","1") = "6"
    & skf21("1","3","3","7","4","1","7","1") = "6"
    & skf21("1","3","3","7","4","2","1","1") = "6"
    & skf21("1","3","3","7","4","2","2","1") = "6"
    & skf21("1","3","3","7","4","2","3","1") = "6"
    & skf21("1","3","3","7","4","2","4","1") = "6"
    & skf21("1","3","3","7","4","2","5","1") = "6"
    & skf21("1","3","3","7","4","2","6","1") = "6"
    & skf21("1","3","3","7","4","2","7","1") = "6"
    & skf21("1","3","3","7","4","3","1","1") = "6"
    & skf21("1","3","3","7","4","3","2","1") = "6"
    & skf21("1","3","3","7","4","3","3","1") = "6"
    & skf21("1","3","3","7","4","3","4","1") = "6"
    & skf21("1","3","3","7","4","3","5","1") = "6"
    & skf21("1","3","3","7","4","3","6","1") = "6"
    & skf21("1","3","3","7","4","3","7","1") = "6"
    & skf21("1","3","3","7","4","4","1","1") = "6"
    & skf21("1","3","3","7","4","4","2","1") = "6"
    & skf21("1","3","3","7","4","4","3","1") = "6"
    & skf21("1","3","3","7","4","4","4","1") = "6"
    & skf21("1","3","3","7","4","4","5","1") = "6"
    & skf21("1","3","3","7","4","4","6","1") = "6"
    & skf21("1","3","3","7","4","4","7","1") = "6"
    & skf21("1","3","3","7","4","5","1","1") = "6"
    & skf21("1","3","3","7","4","5","2","1") = "6"
    & skf21("1","3","3","7","4","5","3","1") = "6"
    & skf21("1","3","3","7","4","5","4","1") = "6"
    & skf21("1","3","3","7","4","5","5","1") = "6"
    & skf21("1","3","3","7","4","5","6","1") = "6"
    & skf21("1","3","3","7","4","5","7","1") = "6"
    & skf21("1","3","3","7","4","6","1","1") = "6"
    & skf21("1","3","3","7","4","6","2","1") = "6"
    & skf21("1","3","3","7","4","6","3","1") = "6"
    & skf21("1","3","3","7","4","6","4","1") = "6"
    & skf21("1","3","3","7","4","6","5","1") = "6"
    & skf21("1","3","3","7","4","6","6","1") = "6"
    & skf21("1","3","3","7","4","6","7","1") = "6"
    & skf21("1","3","3","7","4","7","1","1") = "6"
    & skf21("1","3","3","7","4","7","2","1") = "6"
    & skf21("1","3","3","7","4","7","3","1") = "6"
    & skf21("1","3","3","7","4","7","4","1") = "6"
    & skf21("1","3","3","7","4","7","5","1") = "6"
    & skf21("1","3","3","7","4","7","6","1") = "6"
    & skf21("1","3","3","7","4","7","7","1") = "6"
    & skf21("1","3","3","7","5","1","1","1") = "6"
    & skf21("1","3","3","7","5","1","2","1") = "6"
    & skf21("1","3","3","7","5","1","3","1") = "6"
    & skf21("1","3","3","7","5","1","4","1") = "6"
    & skf21("1","3","3","7","5","1","5","1") = "6"
    & skf21("1","3","3","7","5","1","6","1") = "6"
    & skf21("1","3","3","7","5","1","7","1") = "6"
    & skf21("1","3","3","7","5","2","1","1") = "6"
    & skf21("1","3","3","7","5","2","2","1") = "6"
    & skf21("1","3","3","7","5","2","3","1") = "6"
    & skf21("1","3","3","7","5","2","4","1") = "6"
    & skf21("1","3","3","7","5","2","5","1") = "6"
    & skf21("1","3","3","7","5","2","6","1") = "6"
    & skf21("1","3","3","7","5","2","7","1") = "6"
    & skf21("1","3","3","7","5","3","1","1") = "6"
    & skf21("1","3","3","7","5","3","2","1") = "6"
    & skf21("1","3","3","7","5","3","3","1") = "6"
    & skf21("1","3","3","7","5","3","4","1") = "6"
    & skf21("1","3","3","7","5","3","5","1") = "6"
    & skf21("1","3","3","7","5","3","6","1") = "6"
    & skf21("1","3","3","7","5","3","7","1") = "6"
    & skf21("1","3","3","7","5","4","1","1") = "6"
    & skf21("1","3","3","7","5","4","2","1") = "6"
    & skf21("1","3","3","7","5","4","3","1") = "6"
    & skf21("1","3","3","7","5","4","4","1") = "6"
    & skf21("1","3","3","7","5","4","5","1") = "6"
    & skf21("1","3","3","7","5","4","6","1") = "6"
    & skf21("1","3","3","7","5","4","7","1") = "6"
    & skf21("1","3","3","7","5","5","1","1") = "6"
    & skf21("1","3","3","7","5","5","2","1") = "6"
    & skf21("1","3","3","7","5","5","3","1") = "6"
    & skf21("1","3","3","7","5","5","4","1") = "6"
    & skf21("1","3","3","7","5","5","5","1") = "6"
    & skf21("1","3","3","7","5","5","6","1") = "6"
    & skf21("1","3","3","7","5","5","7","1") = "6"
    & skf21("1","3","3","7","5","6","1","1") = "6"
    & skf21("1","3","3","7","5","6","2","1") = "6"
    & skf21("1","3","3","7","5","6","3","1") = "6"
    & skf21("1","3","3","7","5","6","4","1") = "6"
    & skf21("1","3","3","7","5","6","5","1") = "6"
    & skf21("1","3","3","7","5","6","6","1") = "6"
    & skf21("1","3","3","7","5","6","7","1") = "6"
    & skf21("1","3","3","7","5","7","1","1") = "6"
    & skf21("1","3","3","7","5","7","2","1") = "6"
    & skf21("1","3","3","7","5","7","3","1") = "6"
    & skf21("1","3","3","7","5","7","4","1") = "6"
    & skf21("1","3","3","7","5","7","5","1") = "6"
    & skf21("1","3","3","7","5","7","6","1") = "6"
    & skf21("1","3","3","7","5","7","7","1") = "6"
    & skf21("1","3","3","7","6","1","1","1") = "6"
    & skf21("1","3","3","7","6","1","2","1") = "6"
    & skf21("1","3","3","7","6","1","3","1") = "6"
    & skf21("1","3","3","7","6","1","4","1") = "6"
    & skf21("1","3","3","7","6","1","5","1") = "6"
    & skf21("1","3","3","7","6","1","6","1") = "6"
    & skf21("1","3","3","7","6","1","7","1") = "6"
    & skf21("1","3","3","7","6","2","1","1") = "6"
    & skf21("1","3","3","7","6","2","2","1") = "6"
    & skf21("1","3","3","7","6","2","3","1") = "6"
    & skf21("1","3","3","7","6","2","4","1") = "6"
    & skf21("1","3","3","7","6","2","5","1") = "6"
    & skf21("1","3","3","7","6","2","6","1") = "6"
    & skf21("1","3","3","7","6","2","7","1") = "6"
    & skf21("1","3","3","7","6","3","1","1") = "6"
    & skf21("1","3","3","7","6","3","2","1") = "6"
    & skf21("1","3","3","7","6","3","3","1") = "6"
    & skf21("1","3","3","7","6","3","4","1") = "6"
    & skf21("1","3","3","7","6","3","5","1") = "6"
    & skf21("1","3","3","7","6","3","6","1") = "6"
    & skf21("1","3","3","7","6","3","7","1") = "6"
    & skf21("1","3","3","7","6","4","1","1") = "6"
    & skf21("1","3","3","7","6","4","2","1") = "6"
    & skf21("1","3","3","7","6","4","3","1") = "6"
    & skf21("1","3","3","7","6","4","4","1") = "6"
    & skf21("1","3","3","7","6","4","5","1") = "6"
    & skf21("1","3","3","7","6","4","6","1") = "6"
    & skf21("1","3","3","7","6","4","7","1") = "6"
    & skf21("1","3","3","7","6","5","1","1") = "6"
    & skf21("1","3","3","7","6","5","2","1") = "6"
    & skf21("1","3","3","7","6","5","3","1") = "6"
    & skf21("1","3","3","7","6","5","4","1") = "6"
    & skf21("1","3","3","7","6","5","5","1") = "6"
    & skf21("1","3","3","7","6","5","6","1") = "6"
    & skf21("1","3","3","7","6","5","7","1") = "6"
    & skf21("1","3","3","7","6","6","1","1") = "6"
    & skf21("1","3","3","7","6","6","2","1") = "6"
    & skf21("1","3","3","7","6","6","3","1") = "6"
    & skf21("1","3","3","7","6","6","4","1") = "6"
    & skf21("1","3","3","7","6","6","5","1") = "6"
    & skf21("1","3","3","7","6","6","6","1") = "6"
    & skf21("1","3","3","7","6","6","7","1") = "6"
    & skf21("1","3","3","7","6","7","1","1") = "6"
    & skf21("1","3","3","7","6","7","2","1") = "6"
    & skf21("1","3","3","7","6","7","3","1") = "6"
    & skf21("1","3","3","7","6","7","4","1") = "6"
    & skf21("1","3","3","7","6","7","5","1") = "6"
    & skf21("1","3","3","7","6","7","6","1") = "6"
    & skf21("1","3","3","7","6","7","7","1") = "6"
    & skf21("1","3","3","7","7","1","1","1") = "6"
    & skf21("1","3","3","7","7","1","2","1") = "6"
    & skf21("1","3","3","7","7","1","3","1") = "6"
    & skf21("1","3","3","7","7","1","4","1") = "6"
    & skf21("1","3","3","7","7","1","5","1") = "6"
    & skf21("1","3","3","7","7","1","6","1") = "6"
    & skf21("1","3","3","7","7","1","7","1") = "6"
    & skf21("1","3","3","7","7","2","1","1") = "6"
    & skf21("1","3","3","7","7","2","2","1") = "6"
    & skf21("1","3","3","7","7","2","3","1") = "6"
    & skf21("1","3","3","7","7","2","4","1") = "6"
    & skf21("1","3","3","7","7","2","5","1") = "6"
    & skf21("1","3","3","7","7","2","6","1") = "6"
    & skf21("1","3","3","7","7","2","7","1") = "6"
    & skf21("1","3","3","7","7","3","1","1") = "6"
    & skf21("1","3","3","7","7","3","2","1") = "6"
    & skf21("1","3","3","7","7","3","3","1") = "6"
    & skf21("1","3","3","7","7","3","4","1") = "6"
    & skf21("1","3","3","7","7","3","5","1") = "6"
    & skf21("1","3","3","7","7","3","6","1") = "6"
    & skf21("1","3","3","7","7","3","7","1") = "6"
    & skf21("1","3","3","7","7","4","1","1") = "6"
    & skf21("1","3","3","7","7","4","2","1") = "6"
    & skf21("1","3","3","7","7","4","3","1") = "6"
    & skf21("1","3","3","7","7","4","4","1") = "6"
    & skf21("1","3","3","7","7","4","5","1") = "6"
    & skf21("1","3","3","7","7","4","6","1") = "6"
    & skf21("1","3","3","7","7","4","7","1") = "6"
    & skf21("1","3","3","7","7","5","1","1") = "6"
    & skf21("1","3","3","7","7","5","2","1") = "6"
    & skf21("1","3","3","7","7","5","3","1") = "6"
    & skf21("1","3","3","7","7","5","4","1") = "6"
    & skf21("1","3","3","7","7","5","5","1") = "6"
    & skf21("1","3","3","7","7","5","6","1") = "6"
    & skf21("1","3","3","7","7","5","7","1") = "6"
    & skf21("1","3","3","7","7","6","1","1") = "6"
    & skf21("1","3","3","7","7","6","2","1") = "6"
    & skf21("1","3","3","7","7","6","3","1") = "6"
    & skf21("1","3","3","7","7","6","4","1") = "6"
    & skf21("1","3","3","7","7","6","5","1") = "6"
    & skf21("1","3","3","7","7","6","6","1") = "6"
    & skf21("1","3","3","7","7","6","7","1") = "6"
    & skf21("1","3","3","7","7","7","1","1") = "6"
    & skf21("1","3","3","7","7","7","2","1") = "6"
    & skf21("1","3","3","7","7","7","3","1") = "6"
    & skf21("1","3","3","7","7","7","4","1") = "6"
    & skf21("1","3","3","7","7","7","5","1") = "6"
    & skf21("1","3","3","7","7","7","6","1") = "6"
    & skf21("1","3","3","7","7","7","7","1") = "6"
    & skf21("1","3","4","1","1","1","1","1") = "3"
    & skf21("1","3","4","1","1","1","2","1") = "3"
    & skf21("1","3","4","1","1","1","3","1") = "3"
    & skf21("1","3","4","1","1","1","4","1") = "3"
    & skf21("1","3","4","1","1","1","5","1") = "4"
    & skf21("1","3","4","1","1","1","6","1") = "5"
    & skf21("1","3","4","1","1","1","7","1") = "6"
    & skf21("1","3","4","1","1","2","1","1") = "3"
    & skf21("1","3","4","1","1","2","2","1") = "3"
    & skf21("1","3","4","1","1","2","3","1") = "3"
    & skf21("1","3","4","1","1","2","4","1") = "3"
    & skf21("1","3","4","1","1","2","5","1") = "4"
    & skf21("1","3","4","1","1","2","6","1") = "5"
    & skf21("1","3","4","1","1","2","7","1") = "6"
    & skf21("1","3","4","1","1","3","1","1") = "3"
    & skf21("1","3","4","1","1","3","2","1") = "3"
    & skf21("1","3","4","1","1","3","3","1") = "3"
    & skf21("1","3","4","1","1","3","4","1") = "3"
    & skf21("1","3","4","1","1","3","5","1") = "4"
    & skf21("1","3","4","1","1","3","6","1") = "5"
    & skf21("1","3","4","1","1","3","7","1") = "6"
    & skf21("1","3","4","1","1","4","1","1") = "3"
    & skf21("1","3","4","1","1","4","2","1") = "3"
    & skf21("1","3","4","1","1","4","3","1") = "3"
    & skf21("1","3","4","1","1","4","4","1") = "3"
    & skf21("1","3","4","1","1","4","5","1") = "4"
    & skf21("1","3","4","1","1","4","6","1") = "5"
    & skf21("1","3","4","1","1","4","7","1") = "6"
    & skf21("1","3","4","1","1","5","1","1") = "4"
    & skf21("1","3","4","1","1","5","2","1") = "4"
    & skf21("1","3","4","1","1","5","3","1") = "4"
    & skf21("1","3","4","1","1","5","4","1") = "4"
    & skf21("1","3","4","1","1","5","5","1") = "4"
    & skf21("1","3","4","1","1","5","6","1") = "5"
    & skf21("1","3","4","1","1","5","7","1") = "6"
    & skf21("1","3","4","1","1","6","1","1") = "5"
    & skf21("1","3","4","1","1","6","2","1") = "5"
    & skf21("1","3","4","1","1","6","3","1") = "5"
    & skf21("1","3","4","1","1","6","4","1") = "5"
    & skf21("1","3","4","1","1","6","5","1") = "5"
    & skf21("1","3","4","1","1","6","6","1") = "5"
    & skf21("1","3","4","1","1","6","7","1") = "6"
    & skf21("1","3","4","1","1","7","1","1") = "6"
    & skf21("1","3","4","1","1","7","2","1") = "6"
    & skf21("1","3","4","1","1","7","3","1") = "6"
    & skf21("1","3","4","1","1","7","4","1") = "6"
    & skf21("1","3","4","1","1","7","5","1") = "6"
    & skf21("1","3","4","1","1","7","6","1") = "6"
    & skf21("1","3","4","1","1","7","7","1") = "6"
    & skf21("1","3","4","1","2","1","1","1") = "3"
    & skf21("1","3","4","1","2","1","2","1") = "3"
    & skf21("1","3","4","1","2","1","3","1") = "3"
    & skf21("1","3","4","1","2","1","4","1") = "3"
    & skf21("1","3","4","1","2","1","5","1") = "4"
    & skf21("1","3","4","1","2","1","6","1") = "5"
    & skf21("1","3","4","1","2","1","7","1") = "6"
    & skf21("1","3","4","1","2","2","1","1") = "3"
    & skf21("1","3","4","1","2","2","2","1") = "3"
    & skf21("1","3","4","1","2","2","3","1") = "3"
    & skf21("1","3","4","1","2","2","4","1") = "3"
    & skf21("1","3","4","1","2","2","5","1") = "4"
    & skf21("1","3","4","1","2","2","6","1") = "5"
    & skf21("1","3","4","1","2","2","7","1") = "6"
    & skf21("1","3","4","1","2","3","1","1") = "3"
    & skf21("1","3","4","1","2","3","2","1") = "3"
    & skf21("1","3","4","1","2","3","3","1") = "3"
    & skf21("1","3","4","1","2","3","4","1") = "3"
    & skf21("1","3","4","1","2","3","5","1") = "4"
    & skf21("1","3","4","1","2","3","6","1") = "5"
    & skf21("1","3","4","1","2","3","7","1") = "6"
    & skf21("1","3","4","1","2","4","1","1") = "3"
    & skf21("1","3","4","1","2","4","2","1") = "3"
    & skf21("1","3","4","1","2","4","3","1") = "3"
    & skf21("1","3","4","1","2","4","4","1") = "3"
    & skf21("1","3","4","1","2","4","5","1") = "4"
    & skf21("1","3","4","1","2","4","6","1") = "5"
    & skf21("1","3","4","1","2","4","7","1") = "6"
    & skf21("1","3","4","1","2","5","1","1") = "4"
    & skf21("1","3","4","1","2","5","2","1") = "4"
    & skf21("1","3","4","1","2","5","3","1") = "4"
    & skf21("1","3","4","1","2","5","4","1") = "4"
    & skf21("1","3","4","1","2","5","5","1") = "4"
    & skf21("1","3","4","1","2","5","6","1") = "5"
    & skf21("1","3","4","1","2","5","7","1") = "6"
    & skf21("1","3","4","1","2","6","1","1") = "5"
    & skf21("1","3","4","1","2","6","2","1") = "5"
    & skf21("1","3","4","1","2","6","3","1") = "5"
    & skf21("1","3","4","1","2","6","4","1") = "5"
    & skf21("1","3","4","1","2","6","5","1") = "5"
    & skf21("1","3","4","1","2","6","6","1") = "5"
    & skf21("1","3","4","1","2","6","7","1") = "6"
    & skf21("1","3","4","1","2","7","1","1") = "6"
    & skf21("1","3","4","1","2","7","2","1") = "6"
    & skf21("1","3","4","1","2","7","3","1") = "6"
    & skf21("1","3","4","1","2","7","4","1") = "6"
    & skf21("1","3","4","1","2","7","5","1") = "6"
    & skf21("1","3","4","1","2","7","6","1") = "6"
    & skf21("1","3","4","1","2","7","7","1") = "6"
    & skf21("1","3","4","1","3","1","1","1") = "3"
    & skf21("1","3","4","1","3","1","2","1") = "3"
    & skf21("1","3","4","1","3","1","3","1") = "3"
    & skf21("1","3","4","1","3","1","4","1") = "3"
    & skf21("1","3","4","1","3","1","5","1") = "4"
    & skf21("1","3","4","1","3","1","6","1") = "5"
    & skf21("1","3","4","1","3","1","7","1") = "6"
    & skf21("1","3","4","1","3","2","1","1") = "3"
    & skf21("1","3","4","1","3","2","2","1") = "3"
    & skf21("1","3","4","1","3","2","3","1") = "3"
    & skf21("1","3","4","1","3","2","4","1") = "3"
    & skf21("1","3","4","1","3","2","5","1") = "4"
    & skf21("1","3","4","1","3","2","6","1") = "5"
    & skf21("1","3","4","1","3","2","7","1") = "6"
    & skf21("1","3","4","1","3","3","1","1") = "3"
    & skf21("1","3","4","1","3","3","2","1") = "3"
    & skf21("1","3","4","1","3","3","3","1") = "3"
    & skf21("1","3","4","1","3","3","4","1") = "3"
    & skf21("1","3","4","1","3","3","5","1") = "4"
    & skf21("1","3","4","1","3","3","6","1") = "5"
    & skf21("1","3","4","1","3","3","7","1") = "6"
    & skf21("1","3","4","1","3","4","1","1") = "3"
    & skf21("1","3","4","1","3","4","2","1") = "3"
    & skf21("1","3","4","1","3","4","3","1") = "3"
    & skf21("1","3","4","1","3","4","4","1") = "3"
    & skf21("1","3","4","1","3","4","5","1") = "4"
    & skf21("1","3","4","1","3","4","6","1") = "5"
    & skf21("1","3","4","1","3","4","7","1") = "6"
    & skf21("1","3","4","1","3","5","1","1") = "4"
    & skf21("1","3","4","1","3","5","2","1") = "4"
    & skf21("1","3","4","1","3","5","3","1") = "4"
    & skf21("1","3","4","1","3","5","4","1") = "4"
    & skf21("1","3","4","1","3","5","5","1") = "4"
    & skf21("1","3","4","1","3","5","6","1") = "5"
    & skf21("1","3","4","1","3","5","7","1") = "6"
    & skf21("1","3","4","1","3","6","1","1") = "5"
    & skf21("1","3","4","1","3","6","2","1") = "5"
    & skf21("1","3","4","1","3","6","3","1") = "5"
    & skf21("1","3","4","1","3","6","4","1") = "5"
    & skf21("1","3","4","1","3","6","5","1") = "5"
    & skf21("1","3","4","1","3","6","6","1") = "5"
    & skf21("1","3","4","1","3","6","7","1") = "6"
    & skf21("1","3","4","1","3","7","1","1") = "6"
    & skf21("1","3","4","1","3","7","2","1") = "6"
    & skf21("1","3","4","1","3","7","3","1") = "6"
    & skf21("1","3","4","1","3","7","4","1") = "6"
    & skf21("1","3","4","1","3","7","5","1") = "6"
    & skf21("1","3","4","1","3","7","6","1") = "6"
    & skf21("1","3","4","1","3","7","7","1") = "6"
    & skf21("1","3","4","1","4","1","1","1") = "3"
    & skf21("1","3","4","1","4","1","2","1") = "3"
    & skf21("1","3","4","1","4","1","3","1") = "3"
    & skf21("1","3","4","1","4","1","4","1") = "3"
    & skf21("1","3","4","1","4","1","5","1") = "4"
    & skf21("1","3","4","1","4","1","6","1") = "5"
    & skf21("1","3","4","1","4","1","7","1") = "6"
    & skf21("1","3","4","1","4","2","1","1") = "3"
    & skf21("1","3","4","1","4","2","2","1") = "3"
    & skf21("1","3","4","1","4","2","3","1") = "3"
    & skf21("1","3","4","1","4","2","4","1") = "3"
    & skf21("1","3","4","1","4","2","5","1") = "4"
    & skf21("1","3","4","1","4","2","6","1") = "5"
    & skf21("1","3","4","1","4","2","7","1") = "6"
    & skf21("1","3","4","1","4","3","1","1") = "3"
    & skf21("1","3","4","1","4","3","2","1") = "3"
    & skf21("1","3","4","1","4","3","3","1") = "3"
    & skf21("1","3","4","1","4","3","4","1") = "3"
    & skf21("1","3","4","1","4","3","5","1") = "4"
    & skf21("1","3","4","1","4","3","6","1") = "5"
    & skf21("1","3","4","1","4","3","7","1") = "6"
    & skf21("1","3","4","1","4","4","1","1") = "3"
    & skf21("1","3","4","1","4","4","2","1") = "3"
    & skf21("1","3","4","1","4","4","3","1") = "3"
    & skf21("1","3","4","1","4","4","4","1") = "3"
    & skf21("1","3","4","1","4","4","5","1") = "4"
    & skf21("1","3","4","1","4","4","6","1") = "5"
    & skf21("1","3","4","1","4","4","7","1") = "6"
    & skf21("1","3","4","1","4","5","1","1") = "4"
    & skf21("1","3","4","1","4","5","2","1") = "4"
    & skf21("1","3","4","1","4","5","3","1") = "4"
    & skf21("1","3","4","1","4","5","4","1") = "4"
    & skf21("1","3","4","1","4","5","5","1") = "4"
    & skf21("1","3","4","1","4","5","6","1") = "5"
    & skf21("1","3","4","1","4","5","7","1") = "6"
    & skf21("1","3","4","1","4","6","1","1") = "5"
    & skf21("1","3","4","1","4","6","2","1") = "5"
    & skf21("1","3","4","1","4","6","3","1") = "5"
    & skf21("1","3","4","1","4","6","4","1") = "5"
    & skf21("1","3","4","1","4","6","5","1") = "5"
    & skf21("1","3","4","1","4","6","6","1") = "5"
    & skf21("1","3","4","1","4","6","7","1") = "6"
    & skf21("1","3","4","1","4","7","1","1") = "6"
    & skf21("1","3","4","1","4","7","2","1") = "6"
    & skf21("1","3","4","1","4","7","3","1") = "6"
    & skf21("1","3","4","1","4","7","4","1") = "6"
    & skf21("1","3","4","1","4","7","5","1") = "6"
    & skf21("1","3","4","1","4","7","6","1") = "6"
    & skf21("1","3","4","1","4","7","7","1") = "6"
    & skf21("1","3","4","1","5","1","1","1") = "4"
    & skf21("1","3","4","1","5","1","2","1") = "4"
    & skf21("1","3","4","1","5","1","3","1") = "4"
    & skf21("1","3","4","1","5","1","4","1") = "4"
    & skf21("1","3","4","1","5","1","5","1") = "4"
    & skf21("1","3","4","1","5","1","6","1") = "5"
    & skf21("1","3","4","1","5","1","7","1") = "6"
    & skf21("1","3","4","1","5","2","1","1") = "4"
    & skf21("1","3","4","1","5","2","2","1") = "4"
    & skf21("1","3","4","1","5","2","3","1") = "4"
    & skf21("1","3","4","1","5","2","4","1") = "4"
    & skf21("1","3","4","1","5","2","5","1") = "4"
    & skf21("1","3","4","1","5","2","6","1") = "5"
    & skf21("1","3","4","1","5","2","7","1") = "6"
    & skf21("1","3","4","1","5","3","1","1") = "4"
    & skf21("1","3","4","1","5","3","2","1") = "4"
    & skf21("1","3","4","1","5","3","3","1") = "4"
    & skf21("1","3","4","1","5","3","4","1") = "4"
    & skf21("1","3","4","1","5","3","5","1") = "4"
    & skf21("1","3","4","1","5","3","6","1") = "5"
    & skf21("1","3","4","1","5","3","7","1") = "6"
    & skf21("1","3","4","1","5","4","1","1") = "4"
    & skf21("1","3","4","1","5","4","2","1") = "4"
    & skf21("1","3","4","1","5","4","3","1") = "4"
    & skf21("1","3","4","1","5","4","4","1") = "4"
    & skf21("1","3","4","1","5","4","5","1") = "4"
    & skf21("1","3","4","1","5","4","6","1") = "5"
    & skf21("1","3","4","1","5","4","7","1") = "6"
    & skf21("1","3","4","1","5","5","1","1") = "4"
    & skf21("1","3","4","1","5","5","2","1") = "4"
    & skf21("1","3","4","1","5","5","3","1") = "4"
    & skf21("1","3","4","1","5","5","4","1") = "4"
    & skf21("1","3","4","1","5","5","5","1") = "4"
    & skf21("1","3","4","1","5","5","6","1") = "5"
    & skf21("1","3","4","1","5","5","7","1") = "6"
    & skf21("1","3","4","1","5","6","1","1") = "5"
    & skf21("1","3","4","1","5","6","2","1") = "5"
    & skf21("1","3","4","1","5","6","3","1") = "5"
    & skf21("1","3","4","1","5","6","4","1") = "5"
    & skf21("1","3","4","1","5","6","5","1") = "5"
    & skf21("1","3","4","1","5","6","6","1") = "5"
    & skf21("1","3","4","1","5","6","7","1") = "6"
    & skf21("1","3","4","1","5","7","1","1") = "6"
    & skf21("1","3","4","1","5","7","2","1") = "6"
    & skf21("1","3","4","1","5","7","3","1") = "6"
    & skf21("1","3","4","1","5","7","4","1") = "6"
    & skf21("1","3","4","1","5","7","5","1") = "6"
    & skf21("1","3","4","1","5","7","6","1") = "6"
    & skf21("1","3","4","1","5","7","7","1") = "6"
    & skf21("1","3","4","1","6","1","1","1") = "5"
    & skf21("1","3","4","1","6","1","2","1") = "5"
    & skf21("1","3","4","1","6","1","3","1") = "5"
    & skf21("1","3","4","1","6","1","4","1") = "5"
    & skf21("1","3","4","1","6","1","5","1") = "5"
    & skf21("1","3","4","1","6","1","6","1") = "5"
    & skf21("1","3","4","1","6","1","7","1") = "6"
    & skf21("1","3","4","1","6","2","1","1") = "5"
    & skf21("1","3","4","1","6","2","2","1") = "5"
    & skf21("1","3","4","1","6","2","3","1") = "5"
    & skf21("1","3","4","1","6","2","4","1") = "5"
    & skf21("1","3","4","1","6","2","5","1") = "5"
    & skf21("1","3","4","1","6","2","6","1") = "5"
    & skf21("1","3","4","1","6","2","7","1") = "6"
    & skf21("1","3","4","1","6","3","1","1") = "5"
    & skf21("1","3","4","1","6","3","2","1") = "5"
    & skf21("1","3","4","1","6","3","3","1") = "5"
    & skf21("1","3","4","1","6","3","4","1") = "5"
    & skf21("1","3","4","1","6","3","5","1") = "5"
    & skf21("1","3","4","1","6","3","6","1") = "5"
    & skf21("1","3","4","1","6","3","7","1") = "6"
    & skf21("1","3","4","1","6","4","1","1") = "5"
    & skf21("1","3","4","1","6","4","2","1") = "5"
    & skf21("1","3","4","1","6","4","3","1") = "5"
    & skf21("1","3","4","1","6","4","4","1") = "5"
    & skf21("1","3","4","1","6","4","5","1") = "5"
    & skf21("1","3","4","1","6","4","6","1") = "5"
    & skf21("1","3","4","1","6","4","7","1") = "6"
    & skf21("1","3","4","1","6","5","1","1") = "5"
    & skf21("1","3","4","1","6","5","2","1") = "5"
    & skf21("1","3","4","1","6","5","3","1") = "5"
    & skf21("1","3","4","1","6","5","4","1") = "5"
    & skf21("1","3","4","1","6","5","5","1") = "5"
    & skf21("1","3","4","1","6","5","6","1") = "5"
    & skf21("1","3","4","1","6","5","7","1") = "6"
    & skf21("1","3","4","1","6","6","1","1") = "5"
    & skf21("1","3","4","1","6","6","2","1") = "5"
    & skf21("1","3","4","1","6","6","3","1") = "5"
    & skf21("1","3","4","1","6","6","4","1") = "5"
    & skf21("1","3","4","1","6","6","5","1") = "5"
    & skf21("1","3","4","1","6","6","6","1") = "5"
    & skf21("1","3","4","1","6","6","7","1") = "6"
    & skf21("1","3","4","1","6","7","1","1") = "6"
    & skf21("1","3","4","1","6","7","2","1") = "6"
    & skf21("1","3","4","1","6","7","3","1") = "6"
    & skf21("1","3","4","1","6","7","4","1") = "6"
    & skf21("1","3","4","1","6","7","5","1") = "6"
    & skf21("1","3","4","1","6","7","6","1") = "6"
    & skf21("1","3","4","1","6","7","7","1") = "6"
    & skf21("1","3","4","1","7","1","1","1") = "6"
    & skf21("1","3","4","1","7","1","2","1") = "6"
    & skf21("1","3","4","1","7","1","3","1") = "6"
    & skf21("1","3","4","1","7","1","4","1") = "6"
    & skf21("1","3","4","1","7","1","5","1") = "6"
    & skf21("1","3","4","1","7","1","6","1") = "6"
    & skf21("1","3","4","1","7","1","7","1") = "6"
    & skf21("1","3","4","1","7","2","1","1") = "6"
    & skf21("1","3","4","1","7","2","2","1") = "6"
    & skf21("1","3","4","1","7","2","3","1") = "6"
    & skf21("1","3","4","1","7","2","4","1") = "6"
    & skf21("1","3","4","1","7","2","5","1") = "6"
    & skf21("1","3","4","1","7","2","6","1") = "6"
    & skf21("1","3","4","1","7","2","7","1") = "6"
    & skf21("1","3","4","1","7","3","1","1") = "6"
    & skf21("1","3","4","1","7","3","2","1") = "6"
    & skf21("1","3","4","1","7","3","3","1") = "6"
    & skf21("1","3","4","1","7","3","4","1") = "6"
    & skf21("1","3","4","1","7","3","5","1") = "6"
    & skf21("1","3","4","1","7","3","6","1") = "6"
    & skf21("1","3","4","1","7","3","7","1") = "6"
    & skf21("1","3","4","1","7","4","1","1") = "6"
    & skf21("1","3","4","1","7","4","2","1") = "6"
    & skf21("1","3","4","1","7","4","3","1") = "6"
    & skf21("1","3","4","1","7","4","4","1") = "6"
    & skf21("1","3","4","1","7","4","5","1") = "6"
    & skf21("1","3","4","1","7","4","6","1") = "6"
    & skf21("1","3","4","1","7","4","7","1") = "6"
    & skf21("1","3","4","1","7","5","1","1") = "6"
    & skf21("1","3","4","1","7","5","2","1") = "6"
    & skf21("1","3","4","1","7","5","3","1") = "6"
    & skf21("1","3","4","1","7","5","4","1") = "6"
    & skf21("1","3","4","1","7","5","5","1") = "6"
    & skf21("1","3","4","1","7","5","6","1") = "6"
    & skf21("1","3","4","1","7","5","7","1") = "6"
    & skf21("1","3","4","1","7","6","1","1") = "6"
    & skf21("1","3","4","1","7","6","2","1") = "6"
    & skf21("1","3","4","1","7","6","3","1") = "6"
    & skf21("1","3","4","1","7","6","4","1") = "6"
    & skf21("1","3","4","1","7","6","5","1") = "6"
    & skf21("1","3","4","1","7","6","6","1") = "6"
    & skf21("1","3","4","1","7","6","7","1") = "6"
    & skf21("1","3","4","1","7","7","1","1") = "6"
    & skf21("1","3","4","1","7","7","2","1") = "6"
    & skf21("1","3","4","1","7","7","3","1") = "6"
    & skf21("1","3","4","1","7","7","4","1") = "6"
    & skf21("1","3","4","1","7","7","5","1") = "6"
    & skf21("1","3","4","1","7","7","6","1") = "6"
    & skf21("1","3","4","1","7","7","7","1") = "6"
    & skf21("1","3","4","2","1","1","1","1") = "3"
    & skf21("1","3","4","2","1","1","2","1") = "3"
    & skf21("1","3","4","2","1","1","3","1") = "3"
    & skf21("1","3","4","2","1","1","4","1") = "3"
    & skf21("1","3","4","2","1","1","5","1") = "4"
    & skf21("1","3","4","2","1","1","6","1") = "5"
    & skf21("1","3","4","2","1","1","7","1") = "6"
    & skf21("1","3","4","2","1","2","1","1") = "3"
    & skf21("1","3","4","2","1","2","2","1") = "3"
    & skf21("1","3","4","2","1","2","3","1") = "3"
    & skf21("1","3","4","2","1","2","4","1") = "3"
    & skf21("1","3","4","2","1","2","5","1") = "4"
    & skf21("1","3","4","2","1","2","6","1") = "5"
    & skf21("1","3","4","2","1","2","7","1") = "6"
    & skf21("1","3","4","2","1","3","1","1") = "3"
    & skf21("1","3","4","2","1","3","2","1") = "3"
    & skf21("1","3","4","2","1","3","3","1") = "3"
    & skf21("1","3","4","2","1","3","4","1") = "3"
    & skf21("1","3","4","2","1","3","5","1") = "4"
    & skf21("1","3","4","2","1","3","6","1") = "5"
    & skf21("1","3","4","2","1","3","7","1") = "6"
    & skf21("1","3","4","2","1","4","1","1") = "3"
    & skf21("1","3","4","2","1","4","2","1") = "3"
    & skf21("1","3","4","2","1","4","3","1") = "3"
    & skf21("1","3","4","2","1","4","4","1") = "3"
    & skf21("1","3","4","2","1","4","5","1") = "4"
    & skf21("1","3","4","2","1","4","6","1") = "5"
    & skf21("1","3","4","2","1","4","7","1") = "6"
    & skf21("1","3","4","2","1","5","1","1") = "4"
    & skf21("1","3","4","2","1","5","2","1") = "4"
    & skf21("1","3","4","2","1","5","3","1") = "4"
    & skf21("1","3","4","2","1","5","4","1") = "4"
    & skf21("1","3","4","2","1","5","5","1") = "4"
    & skf21("1","3","4","2","1","5","6","1") = "5"
    & skf21("1","3","4","2","1","5","7","1") = "6"
    & skf21("1","3","4","2","1","6","1","1") = "5"
    & skf21("1","3","4","2","1","6","2","1") = "5"
    & skf21("1","3","4","2","1","6","3","1") = "5"
    & skf21("1","3","4","2","1","6","4","1") = "5"
    & skf21("1","3","4","2","1","6","5","1") = "5"
    & skf21("1","3","4","2","1","6","6","1") = "5"
    & skf21("1","3","4","2","1","6","7","1") = "6"
    & skf21("1","3","4","2","1","7","1","1") = "6"
    & skf21("1","3","4","2","1","7","2","1") = "6"
    & skf21("1","3","4","2","1","7","3","1") = "6"
    & skf21("1","3","4","2","1","7","4","1") = "6"
    & skf21("1","3","4","2","1","7","5","1") = "6"
    & skf21("1","3","4","2","1","7","6","1") = "6"
    & skf21("1","3","4","2","1","7","7","1") = "6"
    & skf21("1","3","4","2","2","1","1","1") = "3"
    & skf21("1","3","4","2","2","1","2","1") = "3"
    & skf21("1","3","4","2","2","1","3","1") = "3"
    & skf21("1","3","4","2","2","1","4","1") = "3"
    & skf21("1","3","4","2","2","1","5","1") = "4"
    & skf21("1","3","4","2","2","1","6","1") = "5"
    & skf21("1","3","4","2","2","1","7","1") = "6"
    & skf21("1","3","4","2","2","2","1","1") = "3"
    & skf21("1","3","4","2","2","2","2","1") = "3"
    & skf21("1","3","4","2","2","2","3","1") = "3"
    & skf21("1","3","4","2","2","2","4","1") = "3"
    & skf21("1","3","4","2","2","2","5","1") = "4"
    & skf21("1","3","4","2","2","2","6","1") = "5"
    & skf21("1","3","4","2","2","2","7","1") = "6"
    & skf21("1","3","4","2","2","3","1","1") = "3"
    & skf21("1","3","4","2","2","3","2","1") = "3"
    & skf21("1","3","4","2","2","3","3","1") = "3"
    & skf21("1","3","4","2","2","3","4","1") = "3"
    & skf21("1","3","4","2","2","3","5","1") = "4"
    & skf21("1","3","4","2","2","3","6","1") = "5"
    & skf21("1","3","4","2","2","3","7","1") = "6"
    & skf21("1","3","4","2","2","4","1","1") = "3"
    & skf21("1","3","4","2","2","4","2","1") = "3"
    & skf21("1","3","4","2","2","4","3","1") = "3"
    & skf21("1","3","4","2","2","4","4","1") = "3"
    & skf21("1","3","4","2","2","4","5","1") = "4"
    & skf21("1","3","4","2","2","4","6","1") = "5"
    & skf21("1","3","4","2","2","4","7","1") = "6"
    & skf21("1","3","4","2","2","5","1","1") = "4"
    & skf21("1","3","4","2","2","5","2","1") = "4"
    & skf21("1","3","4","2","2","5","3","1") = "4"
    & skf21("1","3","4","2","2","5","4","1") = "4"
    & skf21("1","3","4","2","2","5","5","1") = "4"
    & skf21("1","3","4","2","2","5","6","1") = "5"
    & skf21("1","3","4","2","2","5","7","1") = "6"
    & skf21("1","3","4","2","2","6","1","1") = "5"
    & skf21("1","3","4","2","2","6","2","1") = "5"
    & skf21("1","3","4","2","2","6","3","1") = "5"
    & skf21("1","3","4","2","2","6","4","1") = "5"
    & skf21("1","3","4","2","2","6","5","1") = "5"
    & skf21("1","3","4","2","2","6","6","1") = "5"
    & skf21("1","3","4","2","2","6","7","1") = "6"
    & skf21("1","3","4","2","2","7","1","1") = "6"
    & skf21("1","3","4","2","2","7","2","1") = "6"
    & skf21("1","3","4","2","2","7","3","1") = "6"
    & skf21("1","3","4","2","2","7","4","1") = "6"
    & skf21("1","3","4","2","2","7","5","1") = "6"
    & skf21("1","3","4","2","2","7","6","1") = "6"
    & skf21("1","3","4","2","2","7","7","1") = "6"
    & skf21("1","3","4","2","3","1","1","1") = "3"
    & skf21("1","3","4","2","3","1","2","1") = "3"
    & skf21("1","3","4","2","3","1","3","1") = "3"
    & skf21("1","3","4","2","3","1","4","1") = "3"
    & skf21("1","3","4","2","3","1","5","1") = "4"
    & skf21("1","3","4","2","3","1","6","1") = "5"
    & skf21("1","3","4","2","3","1","7","1") = "6"
    & skf21("1","3","4","2","3","2","1","1") = "3"
    & skf21("1","3","4","2","3","2","2","1") = "3"
    & skf21("1","3","4","2","3","2","3","1") = "3"
    & skf21("1","3","4","2","3","2","4","1") = "3"
    & skf21("1","3","4","2","3","2","5","1") = "4"
    & skf21("1","3","4","2","3","2","6","1") = "5"
    & skf21("1","3","4","2","3","2","7","1") = "6"
    & skf21("1","3","4","2","3","3","1","1") = "3"
    & skf21("1","3","4","2","3","3","2","1") = "3"
    & skf21("1","3","4","2","3","3","3","1") = "3"
    & skf21("1","3","4","2","3","3","4","1") = "3"
    & skf21("1","3","4","2","3","3","5","1") = "4"
    & skf21("1","3","4","2","3","3","6","1") = "5"
    & skf21("1","3","4","2","3","3","7","1") = "6"
    & skf21("1","3","4","2","3","4","1","1") = "3"
    & skf21("1","3","4","2","3","4","2","1") = "3"
    & skf21("1","3","4","2","3","4","3","1") = "3"
    & skf21("1","3","4","2","3","4","4","1") = "3"
    & skf21("1","3","4","2","3","4","5","1") = "4"
    & skf21("1","3","4","2","3","4","6","1") = "5"
    & skf21("1","3","4","2","3","4","7","1") = "6"
    & skf21("1","3","4","2","3","5","1","1") = "4"
    & skf21("1","3","4","2","3","5","2","1") = "4"
    & skf21("1","3","4","2","3","5","3","1") = "4"
    & skf21("1","3","4","2","3","5","4","1") = "4"
    & skf21("1","3","4","2","3","5","5","1") = "4"
    & skf21("1","3","4","2","3","5","6","1") = "5"
    & skf21("1","3","4","2","3","5","7","1") = "6"
    & skf21("1","3","4","2","3","6","1","1") = "5"
    & skf21("1","3","4","2","3","6","2","1") = "5"
    & skf21("1","3","4","2","3","6","3","1") = "5"
    & skf21("1","3","4","2","3","6","4","1") = "5"
    & skf21("1","3","4","2","3","6","5","1") = "5"
    & skf21("1","3","4","2","3","6","6","1") = "5"
    & skf21("1","3","4","2","3","6","7","1") = "6"
    & skf21("1","3","4","2","3","7","1","1") = "6"
    & skf21("1","3","4","2","3","7","2","1") = "6"
    & skf21("1","3","4","2","3","7","3","1") = "6"
    & skf21("1","3","4","2","3","7","4","1") = "6"
    & skf21("1","3","4","2","3","7","5","1") = "6"
    & skf21("1","3","4","2","3","7","6","1") = "6"
    & skf21("1","3","4","2","3","7","7","1") = "6"
    & skf21("1","3","4","2","4","1","1","1") = "3"
    & skf21("1","3","4","2","4","1","2","1") = "3"
    & skf21("1","3","4","2","4","1","3","1") = "3"
    & skf21("1","3","4","2","4","1","4","1") = "3"
    & skf21("1","3","4","2","4","1","5","1") = "4"
    & skf21("1","3","4","2","4","1","6","1") = "5"
    & skf21("1","3","4","2","4","1","7","1") = "6"
    & skf21("1","3","4","2","4","2","1","1") = "3"
    & skf21("1","3","4","2","4","2","2","1") = "3"
    & skf21("1","3","4","2","4","2","3","1") = "3"
    & skf21("1","3","4","2","4","2","4","1") = "3"
    & skf21("1","3","4","2","4","2","5","1") = "4"
    & skf21("1","3","4","2","4","2","6","1") = "5"
    & skf21("1","3","4","2","4","2","7","1") = "6"
    & skf21("1","3","4","2","4","3","1","1") = "3"
    & skf21("1","3","4","2","4","3","2","1") = "3"
    & skf21("1","3","4","2","4","3","3","1") = "3"
    & skf21("1","3","4","2","4","3","4","1") = "3"
    & skf21("1","3","4","2","4","3","5","1") = "4"
    & skf21("1","3","4","2","4","3","6","1") = "5"
    & skf21("1","3","4","2","4","3","7","1") = "6"
    & skf21("1","3","4","2","4","4","1","1") = "3"
    & skf21("1","3","4","2","4","4","2","1") = "3"
    & skf21("1","3","4","2","4","4","3","1") = "3"
    & skf21("1","3","4","2","4","4","4","1") = "3"
    & skf21("1","3","4","2","4","4","5","1") = "4"
    & skf21("1","3","4","2","4","4","6","1") = "5"
    & skf21("1","3","4","2","4","4","7","1") = "6"
    & skf21("1","3","4","2","4","5","1","1") = "4"
    & skf21("1","3","4","2","4","5","2","1") = "4"
    & skf21("1","3","4","2","4","5","3","1") = "4"
    & skf21("1","3","4","2","4","5","4","1") = "4"
    & skf21("1","3","4","2","4","5","5","1") = "4"
    & skf21("1","3","4","2","4","5","6","1") = "5"
    & skf21("1","3","4","2","4","5","7","1") = "6"
    & skf21("1","3","4","2","4","6","1","1") = "5"
    & skf21("1","3","4","2","4","6","2","1") = "5"
    & skf21("1","3","4","2","4","6","3","1") = "5"
    & skf21("1","3","4","2","4","6","4","1") = "5"
    & skf21("1","3","4","2","4","6","5","1") = "5"
    & skf21("1","3","4","2","4","6","6","1") = "5"
    & skf21("1","3","4","2","4","6","7","1") = "6"
    & skf21("1","3","4","2","4","7","1","1") = "6"
    & skf21("1","3","4","2","4","7","2","1") = "6"
    & skf21("1","3","4","2","4","7","3","1") = "6"
    & skf21("1","3","4","2","4","7","4","1") = "6"
    & skf21("1","3","4","2","4","7","5","1") = "6"
    & skf21("1","3","4","2","4","7","6","1") = "6"
    & skf21("1","3","4","2","4","7","7","1") = "6"
    & skf21("1","3","4","2","5","1","1","1") = "4"
    & skf21("1","3","4","2","5","1","2","1") = "4"
    & skf21("1","3","4","2","5","1","3","1") = "4"
    & skf21("1","3","4","2","5","1","4","1") = "4"
    & skf21("1","3","4","2","5","1","5","1") = "4"
    & skf21("1","3","4","2","5","1","6","1") = "5"
    & skf21("1","3","4","2","5","1","7","1") = "6"
    & skf21("1","3","4","2","5","2","1","1") = "4"
    & skf21("1","3","4","2","5","2","2","1") = "4"
    & skf21("1","3","4","2","5","2","3","1") = "4"
    & skf21("1","3","4","2","5","2","4","1") = "4"
    & skf21("1","3","4","2","5","2","5","1") = "4"
    & skf21("1","3","4","2","5","2","6","1") = "5"
    & skf21("1","3","4","2","5","2","7","1") = "6"
    & skf21("1","3","4","2","5","3","1","1") = "4"
    & skf21("1","3","4","2","5","3","2","1") = "4"
    & skf21("1","3","4","2","5","3","3","1") = "4"
    & skf21("1","3","4","2","5","3","4","1") = "4"
    & skf21("1","3","4","2","5","3","5","1") = "4"
    & skf21("1","3","4","2","5","3","6","1") = "5"
    & skf21("1","3","4","2","5","3","7","1") = "6"
    & skf21("1","3","4","2","5","4","1","1") = "4"
    & skf21("1","3","4","2","5","4","2","1") = "4"
    & skf21("1","3","4","2","5","4","3","1") = "4"
    & skf21("1","3","4","2","5","4","4","1") = "4"
    & skf21("1","3","4","2","5","4","5","1") = "4"
    & skf21("1","3","4","2","5","4","6","1") = "5"
    & skf21("1","3","4","2","5","4","7","1") = "6"
    & skf21("1","3","4","2","5","5","1","1") = "4"
    & skf21("1","3","4","2","5","5","2","1") = "4"
    & skf21("1","3","4","2","5","5","3","1") = "4"
    & skf21("1","3","4","2","5","5","4","1") = "4"
    & skf21("1","3","4","2","5","5","5","1") = "4"
    & skf21("1","3","4","2","5","5","6","1") = "5"
    & skf21("1","3","4","2","5","5","7","1") = "6"
    & skf21("1","3","4","2","5","6","1","1") = "5"
    & skf21("1","3","4","2","5","6","2","1") = "5"
    & skf21("1","3","4","2","5","6","3","1") = "5"
    & skf21("1","3","4","2","5","6","4","1") = "5"
    & skf21("1","3","4","2","5","6","5","1") = "5"
    & skf21("1","3","4","2","5","6","6","1") = "5"
    & skf21("1","3","4","2","5","6","7","1") = "6"
    & skf21("1","3","4","2","5","7","1","1") = "6"
    & skf21("1","3","4","2","5","7","2","1") = "6"
    & skf21("1","3","4","2","5","7","3","1") = "6"
    & skf21("1","3","4","2","5","7","4","1") = "6"
    & skf21("1","3","4","2","5","7","5","1") = "6"
    & skf21("1","3","4","2","5","7","6","1") = "6"
    & skf21("1","3","4","2","5","7","7","1") = "6"
    & skf21("1","3","4","2","6","1","1","1") = "5"
    & skf21("1","3","4","2","6","1","2","1") = "5"
    & skf21("1","3","4","2","6","1","3","1") = "5"
    & skf21("1","3","4","2","6","1","4","1") = "5"
    & skf21("1","3","4","2","6","1","5","1") = "5"
    & skf21("1","3","4","2","6","1","6","1") = "5"
    & skf21("1","3","4","2","6","1","7","1") = "6"
    & skf21("1","3","4","2","6","2","1","1") = "5"
    & skf21("1","3","4","2","6","2","2","1") = "5"
    & skf21("1","3","4","2","6","2","3","1") = "5"
    & skf21("1","3","4","2","6","2","4","1") = "5"
    & skf21("1","3","4","2","6","2","5","1") = "5"
    & skf21("1","3","4","2","6","2","6","1") = "5"
    & skf21("1","3","4","2","6","2","7","1") = "6"
    & skf21("1","3","4","2","6","3","1","1") = "5"
    & skf21("1","3","4","2","6","3","2","1") = "5"
    & skf21("1","3","4","2","6","3","3","1") = "5"
    & skf21("1","3","4","2","6","3","4","1") = "5"
    & skf21("1","3","4","2","6","3","5","1") = "5"
    & skf21("1","3","4","2","6","3","6","1") = "5"
    & skf21("1","3","4","2","6","3","7","1") = "6"
    & skf21("1","3","4","2","6","4","1","1") = "5"
    & skf21("1","3","4","2","6","4","2","1") = "5"
    & skf21("1","3","4","2","6","4","3","1") = "5"
    & skf21("1","3","4","2","6","4","4","1") = "5"
    & skf21("1","3","4","2","6","4","5","1") = "5"
    & skf21("1","3","4","2","6","4","6","1") = "5"
    & skf21("1","3","4","2","6","4","7","1") = "6"
    & skf21("1","3","4","2","6","5","1","1") = "5"
    & skf21("1","3","4","2","6","5","2","1") = "5"
    & skf21("1","3","4","2","6","5","3","1") = "5"
    & skf21("1","3","4","2","6","5","4","1") = "5"
    & skf21("1","3","4","2","6","5","5","1") = "5"
    & skf21("1","3","4","2","6","5","6","1") = "5"
    & skf21("1","3","4","2","6","5","7","1") = "6"
    & skf21("1","3","4","2","6","6","1","1") = "5"
    & skf21("1","3","4","2","6","6","2","1") = "5"
    & skf21("1","3","4","2","6","6","3","1") = "5"
    & skf21("1","3","4","2","6","6","4","1") = "5"
    & skf21("1","3","4","2","6","6","5","1") = "5"
    & skf21("1","3","4","2","6","6","6","1") = "5"
    & skf21("1","3","4","2","6","6","7","1") = "6"
    & skf21("1","3","4","2","6","7","1","1") = "6"
    & skf21("1","3","4","2","6","7","2","1") = "6"
    & skf21("1","3","4","2","6","7","3","1") = "6"
    & skf21("1","3","4","2","6","7","4","1") = "6"
    & skf21("1","3","4","2","6","7","5","1") = "6"
    & skf21("1","3","4","2","6","7","6","1") = "6"
    & skf21("1","3","4","2","6","7","7","1") = "6"
    & skf21("1","3","4","2","7","1","1","1") = "6"
    & skf21("1","3","4","2","7","1","2","1") = "6"
    & skf21("1","3","4","2","7","1","3","1") = "6"
    & skf21("1","3","4","2","7","1","4","1") = "6"
    & skf21("1","3","4","2","7","1","5","1") = "6"
    & skf21("1","3","4","2","7","1","6","1") = "6"
    & skf21("1","3","4","2","7","1","7","1") = "6"
    & skf21("1","3","4","2","7","2","1","1") = "6"
    & skf21("1","3","4","2","7","2","2","1") = "6"
    & skf21("1","3","4","2","7","2","3","1") = "6"
    & skf21("1","3","4","2","7","2","4","1") = "6"
    & skf21("1","3","4","2","7","2","5","1") = "6"
    & skf21("1","3","4","2","7","2","6","1") = "6"
    & skf21("1","3","4","2","7","2","7","1") = "6"
    & skf21("1","3","4","2","7","3","1","1") = "6"
    & skf21("1","3","4","2","7","3","2","1") = "6"
    & skf21("1","3","4","2","7","3","3","1") = "6"
    & skf21("1","3","4","2","7","3","4","1") = "6"
    & skf21("1","3","4","2","7","3","5","1") = "6"
    & skf21("1","3","4","2","7","3","6","1") = "6"
    & skf21("1","3","4","2","7","3","7","1") = "6"
    & skf21("1","3","4","2","7","4","1","1") = "6"
    & skf21("1","3","4","2","7","4","2","1") = "6"
    & skf21("1","3","4","2","7","4","3","1") = "6"
    & skf21("1","3","4","2","7","4","4","1") = "6"
    & skf21("1","3","4","2","7","4","5","1") = "6"
    & skf21("1","3","4","2","7","4","6","1") = "6"
    & skf21("1","3","4","2","7","4","7","1") = "6"
    & skf21("1","3","4","2","7","5","1","1") = "6"
    & skf21("1","3","4","2","7","5","2","1") = "6"
    & skf21("1","3","4","2","7","5","3","1") = "6"
    & skf21("1","3","4","2","7","5","4","1") = "6"
    & skf21("1","3","4","2","7","5","5","1") = "6"
    & skf21("1","3","4","2","7","5","6","1") = "6"
    & skf21("1","3","4","2","7","5","7","1") = "6"
    & skf21("1","3","4","2","7","6","1","1") = "6"
    & skf21("1","3","4","2","7","6","2","1") = "6"
    & skf21("1","3","4","2","7","6","3","1") = "6"
    & skf21("1","3","4","2","7","6","4","1") = "6"
    & skf21("1","3","4","2","7","6","5","1") = "6"
    & skf21("1","3","4","2","7","6","6","1") = "6"
    & skf21("1","3","4","2","7","6","7","1") = "6"
    & skf21("1","3","4","2","7","7","1","1") = "6"
    & skf21("1","3","4","2","7","7","2","1") = "6"
    & skf21("1","3","4","2","7","7","3","1") = "6"
    & skf21("1","3","4","2","7","7","4","1") = "6"
    & skf21("1","3","4","2","7","7","5","1") = "6"
    & skf21("1","3","4","2","7","7","6","1") = "6"
    & skf21("1","3","4","2","7","7","7","1") = "6"
    & skf21("1","3","4","3","1","1","1","1") = "3"
    & skf21("1","3","4","3","1","1","2","1") = "3"
    & skf21("1","3","4","3","1","1","3","1") = "3"
    & skf21("1","3","4","3","1","1","4","1") = "3"
    & skf21("1","3","4","3","1","1","5","1") = "4"
    & skf21("1","3","4","3","1","1","6","1") = "5"
    & skf21("1","3","4","3","1","1","7","1") = "6"
    & skf21("1","3","4","3","1","2","1","1") = "3"
    & skf21("1","3","4","3","1","2","2","1") = "3"
    & skf21("1","3","4","3","1","2","3","1") = "3"
    & skf21("1","3","4","3","1","2","4","1") = "3"
    & skf21("1","3","4","3","1","2","5","1") = "4"
    & skf21("1","3","4","3","1","2","6","1") = "5"
    & skf21("1","3","4","3","1","2","7","1") = "6"
    & skf21("1","3","4","3","1","3","1","1") = "3"
    & skf21("1","3","4","3","1","3","2","1") = "3"
    & skf21("1","3","4","3","1","3","3","1") = "3"
    & skf21("1","3","4","3","1","3","4","1") = "3"
    & skf21("1","3","4","3","1","3","5","1") = "4"
    & skf21("1","3","4","3","1","3","6","1") = "5"
    & skf21("1","3","4","3","1","3","7","1") = "6"
    & skf21("1","3","4","3","1","4","1","1") = "3"
    & skf21("1","3","4","3","1","4","2","1") = "3"
    & skf21("1","3","4","3","1","4","3","1") = "3"
    & skf21("1","3","4","3","1","4","4","1") = "3"
    & skf21("1","3","4","3","1","4","5","1") = "4"
    & skf21("1","3","4","3","1","4","6","1") = "5"
    & skf21("1","3","4","3","1","4","7","1") = "6"
    & skf21("1","3","4","3","1","5","1","1") = "4"
    & skf21("1","3","4","3","1","5","2","1") = "4"
    & skf21("1","3","4","3","1","5","3","1") = "4"
    & skf21("1","3","4","3","1","5","4","1") = "4"
    & skf21("1","3","4","3","1","5","5","1") = "4"
    & skf21("1","3","4","3","1","5","6","1") = "5"
    & skf21("1","3","4","3","1","5","7","1") = "6"
    & skf21("1","3","4","3","1","6","1","1") = "5"
    & skf21("1","3","4","3","1","6","2","1") = "5"
    & skf21("1","3","4","3","1","6","3","1") = "5"
    & skf21("1","3","4","3","1","6","4","1") = "5"
    & skf21("1","3","4","3","1","6","5","1") = "5"
    & skf21("1","3","4","3","1","6","6","1") = "5"
    & skf21("1","3","4","3","1","6","7","1") = "6"
    & skf21("1","3","4","3","1","7","1","1") = "6"
    & skf21("1","3","4","3","1","7","2","1") = "6"
    & skf21("1","3","4","3","1","7","3","1") = "6"
    & skf21("1","3","4","3","1","7","4","1") = "6"
    & skf21("1","3","4","3","1","7","5","1") = "6"
    & skf21("1","3","4","3","1","7","6","1") = "6"
    & skf21("1","3","4","3","1","7","7","1") = "6"
    & skf21("1","3","4","3","2","1","1","1") = "3"
    & skf21("1","3","4","3","2","1","2","1") = "3"
    & skf21("1","3","4","3","2","1","3","1") = "3"
    & skf21("1","3","4","3","2","1","4","1") = "3"
    & skf21("1","3","4","3","2","1","5","1") = "4"
    & skf21("1","3","4","3","2","1","6","1") = "5"
    & skf21("1","3","4","3","2","1","7","1") = "6"
    & skf21("1","3","4","3","2","2","1","1") = "3"
    & skf21("1","3","4","3","2","2","2","1") = "3"
    & skf21("1","3","4","3","2","2","3","1") = "3"
    & skf21("1","3","4","3","2","2","4","1") = "3"
    & skf21("1","3","4","3","2","2","5","1") = "4"
    & skf21("1","3","4","3","2","2","6","1") = "5"
    & skf21("1","3","4","3","2","2","7","1") = "6"
    & skf21("1","3","4","3","2","3","1","1") = "3"
    & skf21("1","3","4","3","2","3","2","1") = "3"
    & skf21("1","3","4","3","2","3","3","1") = "3"
    & skf21("1","3","4","3","2","3","4","1") = "3"
    & skf21("1","3","4","3","2","3","5","1") = "4"
    & skf21("1","3","4","3","2","3","6","1") = "5"
    & skf21("1","3","4","3","2","3","7","1") = "6"
    & skf21("1","3","4","3","2","4","1","1") = "3"
    & skf21("1","3","4","3","2","4","2","1") = "3"
    & skf21("1","3","4","3","2","4","3","1") = "3"
    & skf21("1","3","4","3","2","4","4","1") = "3"
    & skf21("1","3","4","3","2","4","5","1") = "4"
    & skf21("1","3","4","3","2","4","6","1") = "5"
    & skf21("1","3","4","3","2","4","7","1") = "6"
    & skf21("1","3","4","3","2","5","1","1") = "4"
    & skf21("1","3","4","3","2","5","2","1") = "4"
    & skf21("1","3","4","3","2","5","3","1") = "4"
    & skf21("1","3","4","3","2","5","4","1") = "4"
    & skf21("1","3","4","3","2","5","5","1") = "4"
    & skf21("1","3","4","3","2","5","6","1") = "5"
    & skf21("1","3","4","3","2","5","7","1") = "6"
    & skf21("1","3","4","3","2","6","1","1") = "5"
    & skf21("1","3","4","3","2","6","2","1") = "5"
    & skf21("1","3","4","3","2","6","3","1") = "5"
    & skf21("1","3","4","3","2","6","4","1") = "5"
    & skf21("1","3","4","3","2","6","5","1") = "5"
    & skf21("1","3","4","3","2","6","6","1") = "5"
    & skf21("1","3","4","3","2","6","7","1") = "6"
    & skf21("1","3","4","3","2","7","1","1") = "6"
    & skf21("1","3","4","3","2","7","2","1") = "6"
    & skf21("1","3","4","3","2","7","3","1") = "6"
    & skf21("1","3","4","3","2","7","4","1") = "6"
    & skf21("1","3","4","3","2","7","5","1") = "6"
    & skf21("1","3","4","3","2","7","6","1") = "6"
    & skf21("1","3","4","3","2","7","7","1") = "6"
    & skf21("1","3","4","3","3","1","1","1") = "3"
    & skf21("1","3","4","3","3","1","2","1") = "3"
    & skf21("1","3","4","3","3","1","3","1") = "3"
    & skf21("1","3","4","3","3","1","4","1") = "3"
    & skf21("1","3","4","3","3","1","5","1") = "4"
    & skf21("1","3","4","3","3","1","6","1") = "5"
    & skf21("1","3","4","3","3","1","7","1") = "6"
    & skf21("1","3","4","3","3","2","1","1") = "3"
    & skf21("1","3","4","3","3","2","2","1") = "3"
    & skf21("1","3","4","3","3","2","3","1") = "3"
    & skf21("1","3","4","3","3","2","4","1") = "3"
    & skf21("1","3","4","3","3","2","5","1") = "4"
    & skf21("1","3","4","3","3","2","6","1") = "5"
    & skf21("1","3","4","3","3","2","7","1") = "6"
    & skf21("1","3","4","3","3","3","1","1") = "3"
    & skf21("1","3","4","3","3","3","2","1") = "3"
    & skf21("1","3","4","3","3","3","3","1") = "3"
    & skf21("1","3","4","3","3","3","4","1") = "3"
    & skf21("1","3","4","3","3","3","5","1") = "4"
    & skf21("1","3","4","3","3","3","6","1") = "5"
    & skf21("1","3","4","3","3","3","7","1") = "6"
    & skf21("1","3","4","3","3","4","1","1") = "3"
    & skf21("1","3","4","3","3","4","2","1") = "3"
    & skf21("1","3","4","3","3","4","3","1") = "3"
    & skf21("1","3","4","3","3","4","4","1") = "3"
    & skf21("1","3","4","3","3","4","5","1") = "4"
    & skf21("1","3","4","3","3","4","6","1") = "5"
    & skf21("1","3","4","3","3","4","7","1") = "6"
    & skf21("1","3","4","3","3","5","1","1") = "4"
    & skf21("1","3","4","3","3","5","2","1") = "4"
    & skf21("1","3","4","3","3","5","3","1") = "4"
    & skf21("1","3","4","3","3","5","4","1") = "4"
    & skf21("1","3","4","3","3","5","5","1") = "4"
    & skf21("1","3","4","3","3","5","6","1") = "5"
    & skf21("1","3","4","3","3","5","7","1") = "6"
    & skf21("1","3","4","3","3","6","1","1") = "5"
    & skf21("1","3","4","3","3","6","2","1") = "5"
    & skf21("1","3","4","3","3","6","3","1") = "5"
    & skf21("1","3","4","3","3","6","4","1") = "5"
    & skf21("1","3","4","3","3","6","5","1") = "5"
    & skf21("1","3","4","3","3","6","6","1") = "5"
    & skf21("1","3","4","3","3","6","7","1") = "6"
    & skf21("1","3","4","3","3","7","1","1") = "6"
    & skf21("1","3","4","3","3","7","2","1") = "6"
    & skf21("1","3","4","3","3","7","3","1") = "6"
    & skf21("1","3","4","3","3","7","4","1") = "6"
    & skf21("1","3","4","3","3","7","5","1") = "6"
    & skf21("1","3","4","3","3","7","6","1") = "6"
    & skf21("1","3","4","3","3","7","7","1") = "6"
    & skf21("1","3","4","3","4","1","1","1") = "3"
    & skf21("1","3","4","3","4","1","2","1") = "3"
    & skf21("1","3","4","3","4","1","3","1") = "3"
    & skf21("1","3","4","3","4","1","4","1") = "3"
    & skf21("1","3","4","3","4","1","5","1") = "4"
    & skf21("1","3","4","3","4","1","6","1") = "5"
    & skf21("1","3","4","3","4","1","7","1") = "6"
    & skf21("1","3","4","3","4","2","1","1") = "3"
    & skf21("1","3","4","3","4","2","2","1") = "3"
    & skf21("1","3","4","3","4","2","3","1") = "3"
    & skf21("1","3","4","3","4","2","4","1") = "3"
    & skf21("1","3","4","3","4","2","5","1") = "4"
    & skf21("1","3","4","3","4","2","6","1") = "5"
    & skf21("1","3","4","3","4","2","7","1") = "6"
    & skf21("1","3","4","3","4","3","1","1") = "3"
    & skf21("1","3","4","3","4","3","2","1") = "3"
    & skf21("1","3","4","3","4","3","3","1") = "3"
    & skf21("1","3","4","3","4","3","4","1") = "3"
    & skf21("1","3","4","3","4","3","5","1") = "4"
    & skf21("1","3","4","3","4","3","6","1") = "5"
    & skf21("1","3","4","3","4","3","7","1") = "6"
    & skf21("1","3","4","3","4","4","1","1") = "3"
    & skf21("1","3","4","3","4","4","2","1") = "3"
    & skf21("1","3","4","3","4","4","3","1") = "3"
    & skf21("1","3","4","3","4","4","4","1") = "3"
    & skf21("1","3","4","3","4","4","5","1") = "4"
    & skf21("1","3","4","3","4","4","6","1") = "5"
    & skf21("1","3","4","3","4","4","7","1") = "6"
    & skf21("1","3","4","3","4","5","1","1") = "4"
    & skf21("1","3","4","3","4","5","2","1") = "4"
    & skf21("1","3","4","3","4","5","3","1") = "4"
    & skf21("1","3","4","3","4","5","4","1") = "4"
    & skf21("1","3","4","3","4","5","5","1") = "4"
    & skf21("1","3","4","3","4","5","6","1") = "5"
    & skf21("1","3","4","3","4","5","7","1") = "6"
    & skf21("1","3","4","3","4","6","1","1") = "5"
    & skf21("1","3","4","3","4","6","2","1") = "5"
    & skf21("1","3","4","3","4","6","3","1") = "5"
    & skf21("1","3","4","3","4","6","4","1") = "5"
    & skf21("1","3","4","3","4","6","5","1") = "5"
    & skf21("1","3","4","3","4","6","6","1") = "5"
    & skf21("1","3","4","3","4","6","7","1") = "6"
    & skf21("1","3","4","3","4","7","1","1") = "6"
    & skf21("1","3","4","3","4","7","2","1") = "6"
    & skf21("1","3","4","3","4","7","3","1") = "6"
    & skf21("1","3","4","3","4","7","4","1") = "6"
    & skf21("1","3","4","3","4","7","5","1") = "6"
    & skf21("1","3","4","3","4","7","6","1") = "6"
    & skf21("1","3","4","3","4","7","7","1") = "6"
    & skf21("1","3","4","3","5","1","1","1") = "4"
    & skf21("1","3","4","3","5","1","2","1") = "4"
    & skf21("1","3","4","3","5","1","3","1") = "4"
    & skf21("1","3","4","3","5","1","4","1") = "4"
    & skf21("1","3","4","3","5","1","5","1") = "4"
    & skf21("1","3","4","3","5","1","6","1") = "5"
    & skf21("1","3","4","3","5","1","7","1") = "6"
    & skf21("1","3","4","3","5","2","1","1") = "4"
    & skf21("1","3","4","3","5","2","2","1") = "4"
    & skf21("1","3","4","3","5","2","3","1") = "4"
    & skf21("1","3","4","3","5","2","4","1") = "4"
    & skf21("1","3","4","3","5","2","5","1") = "4"
    & skf21("1","3","4","3","5","2","6","1") = "5"
    & skf21("1","3","4","3","5","2","7","1") = "6"
    & skf21("1","3","4","3","5","3","1","1") = "4"
    & skf21("1","3","4","3","5","3","2","1") = "4"
    & skf21("1","3","4","3","5","3","3","1") = "4"
    & skf21("1","3","4","3","5","3","4","1") = "4"
    & skf21("1","3","4","3","5","3","5","1") = "4"
    & skf21("1","3","4","3","5","3","6","1") = "5"
    & skf21("1","3","4","3","5","3","7","1") = "6"
    & skf21("1","3","4","3","5","4","1","1") = "4"
    & skf21("1","3","4","3","5","4","2","1") = "4"
    & skf21("1","3","4","3","5","4","3","1") = "4"
    & skf21("1","3","4","3","5","4","4","1") = "4"
    & skf21("1","3","4","3","5","4","5","1") = "4"
    & skf21("1","3","4","3","5","4","6","1") = "5"
    & skf21("1","3","4","3","5","4","7","1") = "6"
    & skf21("1","3","4","3","5","5","1","1") = "4"
    & skf21("1","3","4","3","5","5","2","1") = "4"
    & skf21("1","3","4","3","5","5","3","1") = "4"
    & skf21("1","3","4","3","5","5","4","1") = "4"
    & skf21("1","3","4","3","5","5","5","1") = "4"
    & skf21("1","3","4","3","5","5","6","1") = "5"
    & skf21("1","3","4","3","5","5","7","1") = "6"
    & skf21("1","3","4","3","5","6","1","1") = "5"
    & skf21("1","3","4","3","5","6","2","1") = "5"
    & skf21("1","3","4","3","5","6","3","1") = "5"
    & skf21("1","3","4","3","5","6","4","1") = "5"
    & skf21("1","3","4","3","5","6","5","1") = "5"
    & skf21("1","3","4","3","5","6","6","1") = "5"
    & skf21("1","3","4","3","5","6","7","1") = "6"
    & skf21("1","3","4","3","5","7","1","1") = "6"
    & skf21("1","3","4","3","5","7","2","1") = "6"
    & skf21("1","3","4","3","5","7","3","1") = "6"
    & skf21("1","3","4","3","5","7","4","1") = "6"
    & skf21("1","3","4","3","5","7","5","1") = "6"
    & skf21("1","3","4","3","5","7","6","1") = "6"
    & skf21("1","3","4","3","5","7","7","1") = "6"
    & skf21("1","3","4","3","6","1","1","1") = "5"
    & skf21("1","3","4","3","6","1","2","1") = "5"
    & skf21("1","3","4","3","6","1","3","1") = "5"
    & skf21("1","3","4","3","6","1","4","1") = "5"
    & skf21("1","3","4","3","6","1","5","1") = "5"
    & skf21("1","3","4","3","6","1","6","1") = "5"
    & skf21("1","3","4","3","6","1","7","1") = "6"
    & skf21("1","3","4","3","6","2","1","1") = "5"
    & skf21("1","3","4","3","6","2","2","1") = "5"
    & skf21("1","3","4","3","6","2","3","1") = "5"
    & skf21("1","3","4","3","6","2","4","1") = "5"
    & skf21("1","3","4","3","6","2","5","1") = "5"
    & skf21("1","3","4","3","6","2","6","1") = "5"
    & skf21("1","3","4","3","6","2","7","1") = "6"
    & skf21("1","3","4","3","6","3","1","1") = "5"
    & skf21("1","3","4","3","6","3","2","1") = "5"
    & skf21("1","3","4","3","6","3","3","1") = "5"
    & skf21("1","3","4","3","6","3","4","1") = "5"
    & skf21("1","3","4","3","6","3","5","1") = "5"
    & skf21("1","3","4","3","6","3","6","1") = "5"
    & skf21("1","3","4","3","6","3","7","1") = "6"
    & skf21("1","3","4","3","6","4","1","1") = "5"
    & skf21("1","3","4","3","6","4","2","1") = "5"
    & skf21("1","3","4","3","6","4","3","1") = "5"
    & skf21("1","3","4","3","6","4","4","1") = "5"
    & skf21("1","3","4","3","6","4","5","1") = "5"
    & skf21("1","3","4","3","6","4","6","1") = "5"
    & skf21("1","3","4","3","6","4","7","1") = "6"
    & skf21("1","3","4","3","6","5","1","1") = "5"
    & skf21("1","3","4","3","6","5","2","1") = "5"
    & skf21("1","3","4","3","6","5","3","1") = "5"
    & skf21("1","3","4","3","6","5","4","1") = "5"
    & skf21("1","3","4","3","6","5","5","1") = "5"
    & skf21("1","3","4","3","6","5","6","1") = "5"
    & skf21("1","3","4","3","6","5","7","1") = "6"
    & skf21("1","3","4","3","6","6","1","1") = "5"
    & skf21("1","3","4","3","6","6","2","1") = "5"
    & skf21("1","3","4","3","6","6","3","1") = "5"
    & skf21("1","3","4","3","6","6","4","1") = "5"
    & skf21("1","3","4","3","6","6","5","1") = "5"
    & skf21("1","3","4","3","6","6","6","1") = "5"
    & skf21("1","3","4","3","6","6","7","1") = "6"
    & skf21("1","3","4","3","6","7","1","1") = "6"
    & skf21("1","3","4","3","6","7","2","1") = "6"
    & skf21("1","3","4","3","6","7","3","1") = "6"
    & skf21("1","3","4","3","6","7","4","1") = "6"
    & skf21("1","3","4","3","6","7","5","1") = "6"
    & skf21("1","3","4","3","6","7","6","1") = "6"
    & skf21("1","3","4","3","6","7","7","1") = "6"
    & skf21("1","3","4","3","7","1","1","1") = "6"
    & skf21("1","3","4","3","7","1","2","1") = "6"
    & skf21("1","3","4","3","7","1","3","1") = "6"
    & skf21("1","3","4","3","7","1","4","1") = "6"
    & skf21("1","3","4","3","7","1","5","1") = "6"
    & skf21("1","3","4","3","7","1","6","1") = "6"
    & skf21("1","3","4","3","7","1","7","1") = "6"
    & skf21("1","3","4","3","7","2","1","1") = "6"
    & skf21("1","3","4","3","7","2","2","1") = "6"
    & skf21("1","3","4","3","7","2","3","1") = "6"
    & skf21("1","3","4","3","7","2","4","1") = "6"
    & skf21("1","3","4","3","7","2","5","1") = "6"
    & skf21("1","3","4","3","7","2","6","1") = "6"
    & skf21("1","3","4","3","7","2","7","1") = "6"
    & skf21("1","3","4","3","7","3","1","1") = "6"
    & skf21("1","3","4","3","7","3","2","1") = "6"
    & skf21("1","3","4","3","7","3","3","1") = "6"
    & skf21("1","3","4","3","7","3","4","1") = "6"
    & skf21("1","3","4","3","7","3","5","1") = "6"
    & skf21("1","3","4","3","7","3","6","1") = "6"
    & skf21("1","3","4","3","7","3","7","1") = "6"
    & skf21("1","3","4","3","7","4","1","1") = "6"
    & skf21("1","3","4","3","7","4","2","1") = "6"
    & skf21("1","3","4","3","7","4","3","1") = "6"
    & skf21("1","3","4","3","7","4","4","1") = "6"
    & skf21("1","3","4","3","7","4","5","1") = "6"
    & skf21("1","3","4","3","7","4","6","1") = "6"
    & skf21("1","3","4","3","7","4","7","1") = "6"
    & skf21("1","3","4","3","7","5","1","1") = "6"
    & skf21("1","3","4","3","7","5","2","1") = "6"
    & skf21("1","3","4","3","7","5","3","1") = "6"
    & skf21("1","3","4","3","7","5","4","1") = "6"
    & skf21("1","3","4","3","7","5","5","1") = "6"
    & skf21("1","3","4","3","7","5","6","1") = "6"
    & skf21("1","3","4","3","7","5","7","1") = "6"
    & skf21("1","3","4","3","7","6","1","1") = "6"
    & skf21("1","3","4","3","7","6","2","1") = "6"
    & skf21("1","3","4","3","7","6","3","1") = "6"
    & skf21("1","3","4","3","7","6","4","1") = "6"
    & skf21("1","3","4","3","7","6","5","1") = "6"
    & skf21("1","3","4","3","7","6","6","1") = "6"
    & skf21("1","3","4","3","7","6","7","1") = "6"
    & skf21("1","3","4","3","7","7","1","1") = "6"
    & skf21("1","3","4","3","7","7","2","1") = "6"
    & skf21("1","3","4","3","7","7","3","1") = "6"
    & skf21("1","3","4","3","7","7","4","1") = "6"
    & skf21("1","3","4","3","7","7","5","1") = "6"
    & skf21("1","3","4","3","7","7","6","1") = "6"
    & skf21("1","3","4","3","7","7","7","1") = "6"
    & skf21("1","3","4","4","1","1","1","1") = "3"
    & skf21("1","3","4","4","1","1","2","1") = "3"
    & skf21("1","3","4","4","1","1","3","1") = "3"
    & skf21("1","3","4","4","1","1","4","1") = "3"
    & skf21("1","3","4","4","1","1","5","1") = "4"
    & skf21("1","3","4","4","1","1","6","1") = "5"
    & skf21("1","3","4","4","1","1","7","1") = "6"
    & skf21("1","3","4","4","1","2","1","1") = "3"
    & skf21("1","3","4","4","1","2","2","1") = "3"
    & skf21("1","3","4","4","1","2","3","1") = "3"
    & skf21("1","3","4","4","1","2","4","1") = "3"
    & skf21("1","3","4","4","1","2","5","1") = "4"
    & skf21("1","3","4","4","1","2","6","1") = "5"
    & skf21("1","3","4","4","1","2","7","1") = "6"
    & skf21("1","3","4","4","1","3","1","1") = "3"
    & skf21("1","3","4","4","1","3","2","1") = "3"
    & skf21("1","3","4","4","1","3","3","1") = "3"
    & skf21("1","3","4","4","1","3","4","1") = "3"
    & skf21("1","3","4","4","1","3","5","1") = "4"
    & skf21("1","3","4","4","1","3","6","1") = "5"
    & skf21("1","3","4","4","1","3","7","1") = "6"
    & skf21("1","3","4","4","1","4","1","1") = "3"
    & skf21("1","3","4","4","1","4","2","1") = "3"
    & skf21("1","3","4","4","1","4","3","1") = "3"
    & skf21("1","3","4","4","1","4","4","1") = "3"
    & skf21("1","3","4","4","1","4","5","1") = "4"
    & skf21("1","3","4","4","1","4","6","1") = "5"
    & skf21("1","3","4","4","1","4","7","1") = "6"
    & skf21("1","3","4","4","1","5","1","1") = "4"
    & skf21("1","3","4","4","1","5","2","1") = "4"
    & skf21("1","3","4","4","1","5","3","1") = "4"
    & skf21("1","3","4","4","1","5","4","1") = "4"
    & skf21("1","3","4","4","1","5","5","1") = "4"
    & skf21("1","3","4","4","1","5","6","1") = "5"
    & skf21("1","3","4","4","1","5","7","1") = "6"
    & skf21("1","3","4","4","1","6","1","1") = "5"
    & skf21("1","3","4","4","1","6","2","1") = "5"
    & skf21("1","3","4","4","1","6","3","1") = "5"
    & skf21("1","3","4","4","1","6","4","1") = "5"
    & skf21("1","3","4","4","1","6","5","1") = "5"
    & skf21("1","3","4","4","1","6","6","1") = "5"
    & skf21("1","3","4","4","1","6","7","1") = "6"
    & skf21("1","3","4","4","1","7","1","1") = "6"
    & skf21("1","3","4","4","1","7","2","1") = "6"
    & skf21("1","3","4","4","1","7","3","1") = "6"
    & skf21("1","3","4","4","1","7","4","1") = "6"
    & skf21("1","3","4","4","1","7","5","1") = "6"
    & skf21("1","3","4","4","1","7","6","1") = "6"
    & skf21("1","3","4","4","1","7","7","1") = "6"
    & skf21("1","3","4","4","2","1","1","1") = "3"
    & skf21("1","3","4","4","2","1","2","1") = "3"
    & skf21("1","3","4","4","2","1","3","1") = "3"
    & skf21("1","3","4","4","2","1","4","1") = "3"
    & skf21("1","3","4","4","2","1","5","1") = "4"
    & skf21("1","3","4","4","2","1","6","1") = "5"
    & skf21("1","3","4","4","2","1","7","1") = "6"
    & skf21("1","3","4","4","2","2","1","1") = "3"
    & skf21("1","3","4","4","2","2","2","1") = "3"
    & skf21("1","3","4","4","2","2","3","1") = "3"
    & skf21("1","3","4","4","2","2","4","1") = "3"
    & skf21("1","3","4","4","2","2","5","1") = "4"
    & skf21("1","3","4","4","2","2","6","1") = "5"
    & skf21("1","3","4","4","2","2","7","1") = "6"
    & skf21("1","3","4","4","2","3","1","1") = "3"
    & skf21("1","3","4","4","2","3","2","1") = "3"
    & skf21("1","3","4","4","2","3","3","1") = "3"
    & skf21("1","3","4","4","2","3","4","1") = "3"
    & skf21("1","3","4","4","2","3","5","1") = "4"
    & skf21("1","3","4","4","2","3","6","1") = "5"
    & skf21("1","3","4","4","2","3","7","1") = "6"
    & skf21("1","3","4","4","2","4","1","1") = "3"
    & skf21("1","3","4","4","2","4","2","1") = "3"
    & skf21("1","3","4","4","2","4","3","1") = "3"
    & skf21("1","3","4","4","2","4","4","1") = "3"
    & skf21("1","3","4","4","2","4","5","1") = "4"
    & skf21("1","3","4","4","2","4","6","1") = "5"
    & skf21("1","3","4","4","2","4","7","1") = "6"
    & skf21("1","3","4","4","2","5","1","1") = "4"
    & skf21("1","3","4","4","2","5","2","1") = "4"
    & skf21("1","3","4","4","2","5","3","1") = "4"
    & skf21("1","3","4","4","2","5","4","1") = "4"
    & skf21("1","3","4","4","2","5","5","1") = "4"
    & skf21("1","3","4","4","2","5","6","1") = "5"
    & skf21("1","3","4","4","2","5","7","1") = "6"
    & skf21("1","3","4","4","2","6","1","1") = "5"
    & skf21("1","3","4","4","2","6","2","1") = "5"
    & skf21("1","3","4","4","2","6","3","1") = "5"
    & skf21("1","3","4","4","2","6","4","1") = "5"
    & skf21("1","3","4","4","2","6","5","1") = "5"
    & skf21("1","3","4","4","2","6","6","1") = "5"
    & skf21("1","3","4","4","2","6","7","1") = "6"
    & skf21("1","3","4","4","2","7","1","1") = "6"
    & skf21("1","3","4","4","2","7","2","1") = "6"
    & skf21("1","3","4","4","2","7","3","1") = "6"
    & skf21("1","3","4","4","2","7","4","1") = "6"
    & skf21("1","3","4","4","2","7","5","1") = "6"
    & skf21("1","3","4","4","2","7","6","1") = "6"
    & skf21("1","3","4","4","2","7","7","1") = "6"
    & skf21("1","3","4","4","3","1","1","1") = "3"
    & skf21("1","3","4","4","3","1","2","1") = "3"
    & skf21("1","3","4","4","3","1","3","1") = "3"
    & skf21("1","3","4","4","3","1","4","1") = "3"
    & skf21("1","3","4","4","3","1","5","1") = "4"
    & skf21("1","3","4","4","3","1","6","1") = "5"
    & skf21("1","3","4","4","3","1","7","1") = "6"
    & skf21("1","3","4","4","3","2","1","1") = "3"
    & skf21("1","3","4","4","3","2","2","1") = "3"
    & skf21("1","3","4","4","3","2","3","1") = "3"
    & skf21("1","3","4","4","3","2","4","1") = "3"
    & skf21("1","3","4","4","3","2","5","1") = "4"
    & skf21("1","3","4","4","3","2","6","1") = "5"
    & skf21("1","3","4","4","3","2","7","1") = "6"
    & skf21("1","3","4","4","3","3","1","1") = "3"
    & skf21("1","3","4","4","3","3","2","1") = "3"
    & skf21("1","3","4","4","3","3","3","1") = "3"
    & skf21("1","3","4","4","3","3","4","1") = "3"
    & skf21("1","3","4","4","3","3","5","1") = "4"
    & skf21("1","3","4","4","3","3","6","1") = "5"
    & skf21("1","3","4","4","3","3","7","1") = "6"
    & skf21("1","3","4","4","3","4","1","1") = "3"
    & skf21("1","3","4","4","3","4","2","1") = "3"
    & skf21("1","3","4","4","3","4","3","1") = "3"
    & skf21("1","3","4","4","3","4","4","1") = "3"
    & skf21("1","3","4","4","3","4","5","1") = "4"
    & skf21("1","3","4","4","3","4","6","1") = "5"
    & skf21("1","3","4","4","3","4","7","1") = "6"
    & skf21("1","3","4","4","3","5","1","1") = "4"
    & skf21("1","3","4","4","3","5","2","1") = "4"
    & skf21("1","3","4","4","3","5","3","1") = "4"
    & skf21("1","3","4","4","3","5","4","1") = "4"
    & skf21("1","3","4","4","3","5","5","1") = "4"
    & skf21("1","3","4","4","3","5","6","1") = "5"
    & skf21("1","3","4","4","3","5","7","1") = "6"
    & skf21("1","3","4","4","3","6","1","1") = "5"
    & skf21("1","3","4","4","3","6","2","1") = "5"
    & skf21("1","3","4","4","3","6","3","1") = "5"
    & skf21("1","3","4","4","3","6","4","1") = "5"
    & skf21("1","3","4","4","3","6","5","1") = "5"
    & skf21("1","3","4","4","3","6","6","1") = "5"
    & skf21("1","3","4","4","3","6","7","1") = "6"
    & skf21("1","3","4","4","3","7","1","1") = "6"
    & skf21("1","3","4","4","3","7","2","1") = "6"
    & skf21("1","3","4","4","3","7","3","1") = "6"
    & skf21("1","3","4","4","3","7","4","1") = "6"
    & skf21("1","3","4","4","3","7","5","1") = "6"
    & skf21("1","3","4","4","3","7","6","1") = "6"
    & skf21("1","3","4","4","3","7","7","1") = "6"
    & skf21("1","3","4","4","4","1","1","1") = "3"
    & skf21("1","3","4","4","4","1","2","1") = "3"
    & skf21("1","3","4","4","4","1","3","1") = "3"
    & skf21("1","3","4","4","4","1","4","1") = "3"
    & skf21("1","3","4","4","4","1","5","1") = "4"
    & skf21("1","3","4","4","4","1","6","1") = "5"
    & skf21("1","3","4","4","4","1","7","1") = "6"
    & skf21("1","3","4","4","4","2","1","1") = "3"
    & skf21("1","3","4","4","4","2","2","1") = "3"
    & skf21("1","3","4","4","4","2","3","1") = "3"
    & skf21("1","3","4","4","4","2","4","1") = "3"
    & skf21("1","3","4","4","4","2","5","1") = "4"
    & skf21("1","3","4","4","4","2","6","1") = "5"
    & skf21("1","3","4","4","4","2","7","1") = "6"
    & skf21("1","3","4","4","4","3","1","1") = "3"
    & skf21("1","3","4","4","4","3","2","1") = "3"
    & skf21("1","3","4","4","4","3","3","1") = "3"
    & skf21("1","3","4","4","4","3","4","1") = "3"
    & skf21("1","3","4","4","4","3","5","1") = "4"
    & skf21("1","3","4","4","4","3","6","1") = "5"
    & skf21("1","3","4","4","4","3","7","1") = "6"
    & skf21("1","3","4","4","4","4","1","1") = "3"
    & skf21("1","3","4","4","4","4","2","1") = "3"
    & skf21("1","3","4","4","4","4","3","1") = "3"
    & skf21("1","3","4","4","4","4","4","1") = "3"
    & skf21("1","3","4","4","4","4","5","1") = "4"
    & skf21("1","3","4","4","4","4","6","1") = "5"
    & skf21("1","3","4","4","4","4","7","1") = "6"
    & skf21("1","3","4","4","4","5","1","1") = "4"
    & skf21("1","3","4","4","4","5","2","1") = "4"
    & skf21("1","3","4","4","4","5","3","1") = "4"
    & skf21("1","3","4","4","4","5","4","1") = "4"
    & skf21("1","3","4","4","4","5","5","1") = "4"
    & skf21("1","3","4","4","4","5","6","1") = "5"
    & skf21("1","3","4","4","4","5","7","1") = "6"
    & skf21("1","3","4","4","4","6","1","1") = "5"
    & skf21("1","3","4","4","4","6","2","1") = "5"
    & skf21("1","3","4","4","4","6","3","1") = "5"
    & skf21("1","3","4","4","4","6","4","1") = "5"
    & skf21("1","3","4","4","4","6","5","1") = "5"
    & skf21("1","3","4","4","4","6","6","1") = "5"
    & skf21("1","3","4","4","4","6","7","1") = "6"
    & skf21("1","3","4","4","4","7","1","1") = "6"
    & skf21("1","3","4","4","4","7","2","1") = "6"
    & skf21("1","3","4","4","4","7","3","1") = "6"
    & skf21("1","3","4","4","4","7","4","1") = "6"
    & skf21("1","3","4","4","4","7","5","1") = "6"
    & skf21("1","3","4","4","4","7","6","1") = "6"
    & skf21("1","3","4","4","4","7","7","1") = "6"
    & skf21("1","3","4","4","5","1","1","1") = "4"
    & skf21("1","3","4","4","5","1","2","1") = "4"
    & skf21("1","3","4","4","5","1","3","1") = "4"
    & skf21("1","3","4","4","5","1","4","1") = "4"
    & skf21("1","3","4","4","5","1","5","1") = "4"
    & skf21("1","3","4","4","5","1","6","1") = "5"
    & skf21("1","3","4","4","5","1","7","1") = "6"
    & skf21("1","3","4","4","5","2","1","1") = "4"
    & skf21("1","3","4","4","5","2","2","1") = "4"
    & skf21("1","3","4","4","5","2","3","1") = "4"
    & skf21("1","3","4","4","5","2","4","1") = "4"
    & skf21("1","3","4","4","5","2","5","1") = "4"
    & skf21("1","3","4","4","5","2","6","1") = "5"
    & skf21("1","3","4","4","5","2","7","1") = "6"
    & skf21("1","3","4","4","5","3","1","1") = "4"
    & skf21("1","3","4","4","5","3","2","1") = "4"
    & skf21("1","3","4","4","5","3","3","1") = "4"
    & skf21("1","3","4","4","5","3","4","1") = "4"
    & skf21("1","3","4","4","5","3","5","1") = "4"
    & skf21("1","3","4","4","5","3","6","1") = "5"
    & skf21("1","3","4","4","5","3","7","1") = "6"
    & skf21("1","3","4","4","5","4","1","1") = "4"
    & skf21("1","3","4","4","5","4","2","1") = "4"
    & skf21("1","3","4","4","5","4","3","1") = "4"
    & skf21("1","3","4","4","5","4","4","1") = "4"
    & skf21("1","3","4","4","5","4","5","1") = "4"
    & skf21("1","3","4","4","5","4","6","1") = "5"
    & skf21("1","3","4","4","5","4","7","1") = "6"
    & skf21("1","3","4","4","5","5","1","1") = "4"
    & skf21("1","3","4","4","5","5","2","1") = "4"
    & skf21("1","3","4","4","5","5","3","1") = "4"
    & skf21("1","3","4","4","5","5","4","1") = "4"
    & skf21("1","3","4","4","5","5","5","1") = "4"
    & skf21("1","3","4","4","5","5","6","1") = "5"
    & skf21("1","3","4","4","5","5","7","1") = "6"
    & skf21("1","3","4","4","5","6","1","1") = "5"
    & skf21("1","3","4","4","5","6","2","1") = "5"
    & skf21("1","3","4","4","5","6","3","1") = "5"
    & skf21("1","3","4","4","5","6","4","1") = "5"
    & skf21("1","3","4","4","5","6","5","1") = "5"
    & skf21("1","3","4","4","5","6","6","1") = "5"
    & skf21("1","3","4","4","5","6","7","1") = "6"
    & skf21("1","3","4","4","5","7","1","1") = "6"
    & skf21("1","3","4","4","5","7","2","1") = "6"
    & skf21("1","3","4","4","5","7","3","1") = "6"
    & skf21("1","3","4","4","5","7","4","1") = "6"
    & skf21("1","3","4","4","5","7","5","1") = "6"
    & skf21("1","3","4","4","5","7","6","1") = "6"
    & skf21("1","3","4","4","5","7","7","1") = "6"
    & skf21("1","3","4","4","6","1","1","1") = "5"
    & skf21("1","3","4","4","6","1","2","1") = "5"
    & skf21("1","3","4","4","6","1","3","1") = "5"
    & skf21("1","3","4","4","6","1","4","1") = "5"
    & skf21("1","3","4","4","6","1","5","1") = "5"
    & skf21("1","3","4","4","6","1","6","1") = "5"
    & skf21("1","3","4","4","6","1","7","1") = "6"
    & skf21("1","3","4","4","6","2","1","1") = "5"
    & skf21("1","3","4","4","6","2","2","1") = "5"
    & skf21("1","3","4","4","6","2","3","1") = "5"
    & skf21("1","3","4","4","6","2","4","1") = "5"
    & skf21("1","3","4","4","6","2","5","1") = "5"
    & skf21("1","3","4","4","6","2","6","1") = "5"
    & skf21("1","3","4","4","6","2","7","1") = "6"
    & skf21("1","3","4","4","6","3","1","1") = "5"
    & skf21("1","3","4","4","6","3","2","1") = "5"
    & skf21("1","3","4","4","6","3","3","1") = "5"
    & skf21("1","3","4","4","6","3","4","1") = "5"
    & skf21("1","3","4","4","6","3","5","1") = "5"
    & skf21("1","3","4","4","6","3","6","1") = "5"
    & skf21("1","3","4","4","6","3","7","1") = "6"
    & skf21("1","3","4","4","6","4","1","1") = "5"
    & skf21("1","3","4","4","6","4","2","1") = "5"
    & skf21("1","3","4","4","6","4","3","1") = "5"
    & skf21("1","3","4","4","6","4","4","1") = "5"
    & skf21("1","3","4","4","6","4","5","1") = "5"
    & skf21("1","3","4","4","6","4","6","1") = "5"
    & skf21("1","3","4","4","6","4","7","1") = "6"
    & skf21("1","3","4","4","6","5","1","1") = "5"
    & skf21("1","3","4","4","6","5","2","1") = "5"
    & skf21("1","3","4","4","6","5","3","1") = "5"
    & skf21("1","3","4","4","6","5","4","1") = "5"
    & skf21("1","3","4","4","6","5","5","1") = "5"
    & skf21("1","3","4","4","6","5","6","1") = "5"
    & skf21("1","3","4","4","6","5","7","1") = "6"
    & skf21("1","3","4","4","6","6","1","1") = "5"
    & skf21("1","3","4","4","6","6","2","1") = "5"
    & skf21("1","3","4","4","6","6","3","1") = "5"
    & skf21("1","3","4","4","6","6","4","1") = "5"
    & skf21("1","3","4","4","6","6","5","1") = "5"
    & skf21("1","3","4","4","6","6","6","1") = "5"
    & skf21("1","3","4","4","6","6","7","1") = "6"
    & skf21("1","3","4","4","6","7","1","1") = "6"
    & skf21("1","3","4","4","6","7","2","1") = "6"
    & skf21("1","3","4","4","6","7","3","1") = "6"
    & skf21("1","3","4","4","6","7","4","1") = "6"
    & skf21("1","3","4","4","6","7","5","1") = "6"
    & skf21("1","3","4","4","6","7","6","1") = "6"
    & skf21("1","3","4","4","6","7","7","1") = "6"
    & skf21("1","3","4","4","7","1","1","1") = "6"
    & skf21("1","3","4","4","7","1","2","1") = "6"
    & skf21("1","3","4","4","7","1","3","1") = "6"
    & skf21("1","3","4","4","7","1","4","1") = "6"
    & skf21("1","3","4","4","7","1","5","1") = "6"
    & skf21("1","3","4","4","7","1","6","1") = "6"
    & skf21("1","3","4","4","7","1","7","1") = "6"
    & skf21("1","3","4","4","7","2","1","1") = "6"
    & skf21("1","3","4","4","7","2","2","1") = "6"
    & skf21("1","3","4","4","7","2","3","1") = "6"
    & skf21("1","3","4","4","7","2","4","1") = "6"
    & skf21("1","3","4","4","7","2","5","1") = "6"
    & skf21("1","3","4","4","7","2","6","1") = "6"
    & skf21("1","3","4","4","7","2","7","1") = "6"
    & skf21("1","3","4","4","7","3","1","1") = "6"
    & skf21("1","3","4","4","7","3","2","1") = "6"
    & skf21("1","3","4","4","7","3","3","1") = "6"
    & skf21("1","3","4","4","7","3","4","1") = "6"
    & skf21("1","3","4","4","7","3","5","1") = "6"
    & skf21("1","3","4","4","7","3","6","1") = "6"
    & skf21("1","3","4","4","7","3","7","1") = "6"
    & skf21("1","3","4","4","7","4","1","1") = "6"
    & skf21("1","3","4","4","7","4","2","1") = "6"
    & skf21("1","3","4","4","7","4","3","1") = "6"
    & skf21("1","3","4","4","7","4","4","1") = "6"
    & skf21("1","3","4","4","7","4","5","1") = "6"
    & skf21("1","3","4","4","7","4","6","1") = "6"
    & skf21("1","3","4","4","7","4","7","1") = "6"
    & skf21("1","3","4","4","7","5","1","1") = "6"
    & skf21("1","3","4","4","7","5","2","1") = "6"
    & skf21("1","3","4","4","7","5","3","1") = "6"
    & skf21("1","3","4","4","7","5","4","1") = "6"
    & skf21("1","3","4","4","7","5","5","1") = "6"
    & skf21("1","3","4","4","7","5","6","1") = "6"
    & skf21("1","3","4","4","7","5","7","1") = "6"
    & skf21("1","3","4","4","7","6","1","1") = "6"
    & skf21("1","3","4","4","7","6","2","1") = "6"
    & skf21("1","3","4","4","7","6","3","1") = "6"
    & skf21("1","3","4","4","7","6","4","1") = "6"
    & skf21("1","3","4","4","7","6","5","1") = "6"
    & skf21("1","3","4","4","7","6","6","1") = "6"
    & skf21("1","3","4","4","7","6","7","1") = "6"
    & skf21("1","3","4","4","7","7","1","1") = "6"
    & skf21("1","3","4","4","7","7","2","1") = "6"
    & skf21("1","3","4","4","7","7","3","1") = "6"
    & skf21("1","3","4","4","7","7","4","1") = "6"
    & skf21("1","3","4","4","7","7","5","1") = "6"
    & skf21("1","3","4","4","7","7","6","1") = "6"
    & skf21("1","3","4","4","7","7","7","1") = "6"
    & skf21("1","3","4","5","1","1","1","1") = "4"
    & skf21("1","3","4","5","1","1","2","1") = "4"
    & skf21("1","3","4","5","1","1","3","1") = "4"
    & skf21("1","3","4","5","1","1","4","1") = "4"
    & skf21("1","3","4","5","1","1","5","1") = "4"
    & skf21("1","3","4","5","1","1","6","1") = "5"
    & skf21("1","3","4","5","1","1","7","1") = "6"
    & skf21("1","3","4","5","1","2","1","1") = "4"
    & skf21("1","3","4","5","1","2","2","1") = "4"
    & skf21("1","3","4","5","1","2","3","1") = "4"
    & skf21("1","3","4","5","1","2","4","1") = "4"
    & skf21("1","3","4","5","1","2","5","1") = "4"
    & skf21("1","3","4","5","1","2","6","1") = "5"
    & skf21("1","3","4","5","1","2","7","1") = "6"
    & skf21("1","3","4","5","1","3","1","1") = "4"
    & skf21("1","3","4","5","1","3","2","1") = "4"
    & skf21("1","3","4","5","1","3","3","1") = "4"
    & skf21("1","3","4","5","1","3","4","1") = "4"
    & skf21("1","3","4","5","1","3","5","1") = "4"
    & skf21("1","3","4","5","1","3","6","1") = "5"
    & skf21("1","3","4","5","1","3","7","1") = "6"
    & skf21("1","3","4","5","1","4","1","1") = "4"
    & skf21("1","3","4","5","1","4","2","1") = "4"
    & skf21("1","3","4","5","1","4","3","1") = "4"
    & skf21("1","3","4","5","1","4","4","1") = "4"
    & skf21("1","3","4","5","1","4","5","1") = "4"
    & skf21("1","3","4","5","1","4","6","1") = "5"
    & skf21("1","3","4","5","1","4","7","1") = "6"
    & skf21("1","3","4","5","1","5","1","1") = "4"
    & skf21("1","3","4","5","1","5","2","1") = "4"
    & skf21("1","3","4","5","1","5","3","1") = "4"
    & skf21("1","3","4","5","1","5","4","1") = "4"
    & skf21("1","3","4","5","1","5","5","1") = "4"
    & skf21("1","3","4","5","1","5","6","1") = "5"
    & skf21("1","3","4","5","1","5","7","1") = "6"
    & skf21("1","3","4","5","1","6","1","1") = "5"
    & skf21("1","3","4","5","1","6","2","1") = "5"
    & skf21("1","3","4","5","1","6","3","1") = "5"
    & skf21("1","3","4","5","1","6","4","1") = "5"
    & skf21("1","3","4","5","1","6","5","1") = "5"
    & skf21("1","3","4","5","1","6","6","1") = "5"
    & skf21("1","3","4","5","1","6","7","1") = "6"
    & skf21("1","3","4","5","1","7","1","1") = "6"
    & skf21("1","3","4","5","1","7","2","1") = "6"
    & skf21("1","3","4","5","1","7","3","1") = "6"
    & skf21("1","3","4","5","1","7","4","1") = "6"
    & skf21("1","3","4","5","1","7","5","1") = "6"
    & skf21("1","3","4","5","1","7","6","1") = "6"
    & skf21("1","3","4","5","1","7","7","1") = "6"
    & skf21("1","3","4","5","2","1","1","1") = "4"
    & skf21("1","3","4","5","2","1","2","1") = "4"
    & skf21("1","3","4","5","2","1","3","1") = "4"
    & skf21("1","3","4","5","2","1","4","1") = "4"
    & skf21("1","3","4","5","2","1","5","1") = "4"
    & skf21("1","3","4","5","2","1","6","1") = "5"
    & skf21("1","3","4","5","2","1","7","1") = "6"
    & skf21("1","3","4","5","2","2","1","1") = "4"
    & skf21("1","3","4","5","2","2","2","1") = "4"
    & skf21("1","3","4","5","2","2","3","1") = "4"
    & skf21("1","3","4","5","2","2","4","1") = "4"
    & skf21("1","3","4","5","2","2","5","1") = "4"
    & skf21("1","3","4","5","2","2","6","1") = "5"
    & skf21("1","3","4","5","2","2","7","1") = "6"
    & skf21("1","3","4","5","2","3","1","1") = "4"
    & skf21("1","3","4","5","2","3","2","1") = "4"
    & skf21("1","3","4","5","2","3","3","1") = "4"
    & skf21("1","3","4","5","2","3","4","1") = "4"
    & skf21("1","3","4","5","2","3","5","1") = "4"
    & skf21("1","3","4","5","2","3","6","1") = "5"
    & skf21("1","3","4","5","2","3","7","1") = "6"
    & skf21("1","3","4","5","2","4","1","1") = "4"
    & skf21("1","3","4","5","2","4","2","1") = "4"
    & skf21("1","3","4","5","2","4","3","1") = "4"
    & skf21("1","3","4","5","2","4","4","1") = "4"
    & skf21("1","3","4","5","2","4","5","1") = "4"
    & skf21("1","3","4","5","2","4","6","1") = "5"
    & skf21("1","3","4","5","2","4","7","1") = "6"
    & skf21("1","3","4","5","2","5","1","1") = "4"
    & skf21("1","3","4","5","2","5","2","1") = "4"
    & skf21("1","3","4","5","2","5","3","1") = "4"
    & skf21("1","3","4","5","2","5","4","1") = "4"
    & skf21("1","3","4","5","2","5","5","1") = "4"
    & skf21("1","3","4","5","2","5","6","1") = "5"
    & skf21("1","3","4","5","2","5","7","1") = "6"
    & skf21("1","3","4","5","2","6","1","1") = "5"
    & skf21("1","3","4","5","2","6","2","1") = "5"
    & skf21("1","3","4","5","2","6","3","1") = "5"
    & skf21("1","3","4","5","2","6","4","1") = "5"
    & skf21("1","3","4","5","2","6","5","1") = "5"
    & skf21("1","3","4","5","2","6","6","1") = "5"
    & skf21("1","3","4","5","2","6","7","1") = "6"
    & skf21("1","3","4","5","2","7","1","1") = "6"
    & skf21("1","3","4","5","2","7","2","1") = "6"
    & skf21("1","3","4","5","2","7","3","1") = "6"
    & skf21("1","3","4","5","2","7","4","1") = "6"
    & skf21("1","3","4","5","2","7","5","1") = "6"
    & skf21("1","3","4","5","2","7","6","1") = "6"
    & skf21("1","3","4","5","2","7","7","1") = "6"
    & skf21("1","3","4","5","3","1","1","1") = "4"
    & skf21("1","3","4","5","3","1","2","1") = "4"
    & skf21("1","3","4","5","3","1","3","1") = "4"
    & skf21("1","3","4","5","3","1","4","1") = "4"
    & skf21("1","3","4","5","3","1","5","1") = "4"
    & skf21("1","3","4","5","3","1","6","1") = "5"
    & skf21("1","3","4","5","3","1","7","1") = "6"
    & skf21("1","3","4","5","3","2","1","1") = "4"
    & skf21("1","3","4","5","3","2","2","1") = "4"
    & skf21("1","3","4","5","3","2","3","1") = "4"
    & skf21("1","3","4","5","3","2","4","1") = "4"
    & skf21("1","3","4","5","3","2","5","1") = "4"
    & skf21("1","3","4","5","3","2","6","1") = "5"
    & skf21("1","3","4","5","3","2","7","1") = "6"
    & skf21("1","3","4","5","3","3","1","1") = "4"
    & skf21("1","3","4","5","3","3","2","1") = "4"
    & skf21("1","3","4","5","3","3","3","1") = "4"
    & skf21("1","3","4","5","3","3","4","1") = "4"
    & skf21("1","3","4","5","3","3","5","1") = "4"
    & skf21("1","3","4","5","3","3","6","1") = "5"
    & skf21("1","3","4","5","3","3","7","1") = "6"
    & skf21("1","3","4","5","3","4","1","1") = "4"
    & skf21("1","3","4","5","3","4","2","1") = "4"
    & skf21("1","3","4","5","3","4","3","1") = "4"
    & skf21("1","3","4","5","3","4","4","1") = "4"
    & skf21("1","3","4","5","3","4","5","1") = "4"
    & skf21("1","3","4","5","3","4","6","1") = "5"
    & skf21("1","3","4","5","3","4","7","1") = "6"
    & skf21("1","3","4","5","3","5","1","1") = "4"
    & skf21("1","3","4","5","3","5","2","1") = "4"
    & skf21("1","3","4","5","3","5","3","1") = "4"
    & skf21("1","3","4","5","3","5","4","1") = "4"
    & skf21("1","3","4","5","3","5","5","1") = "4"
    & skf21("1","3","4","5","3","5","6","1") = "5"
    & skf21("1","3","4","5","3","5","7","1") = "6"
    & skf21("1","3","4","5","3","6","1","1") = "5"
    & skf21("1","3","4","5","3","6","2","1") = "5"
    & skf21("1","3","4","5","3","6","3","1") = "5"
    & skf21("1","3","4","5","3","6","4","1") = "5"
    & skf21("1","3","4","5","3","6","5","1") = "5"
    & skf21("1","3","4","5","3","6","6","1") = "5"
    & skf21("1","3","4","5","3","6","7","1") = "6"
    & skf21("1","3","4","5","3","7","1","1") = "6"
    & skf21("1","3","4","5","3","7","2","1") = "6"
    & skf21("1","3","4","5","3","7","3","1") = "6"
    & skf21("1","3","4","5","3","7","4","1") = "6"
    & skf21("1","3","4","5","3","7","5","1") = "6"
    & skf21("1","3","4","5","3","7","6","1") = "6"
    & skf21("1","3","4","5","3","7","7","1") = "6"
    & skf21("1","3","4","5","4","1","1","1") = "4"
    & skf21("1","3","4","5","4","1","2","1") = "4"
    & skf21("1","3","4","5","4","1","3","1") = "4"
    & skf21("1","3","4","5","4","1","4","1") = "4"
    & skf21("1","3","4","5","4","1","5","1") = "4"
    & skf21("1","3","4","5","4","1","6","1") = "5"
    & skf21("1","3","4","5","4","1","7","1") = "6"
    & skf21("1","3","4","5","4","2","1","1") = "4"
    & skf21("1","3","4","5","4","2","2","1") = "4"
    & skf21("1","3","4","5","4","2","3","1") = "4"
    & skf21("1","3","4","5","4","2","4","1") = "4"
    & skf21("1","3","4","5","4","2","5","1") = "4"
    & skf21("1","3","4","5","4","2","6","1") = "5"
    & skf21("1","3","4","5","4","2","7","1") = "6"
    & skf21("1","3","4","5","4","3","1","1") = "4"
    & skf21("1","3","4","5","4","3","2","1") = "4"
    & skf21("1","3","4","5","4","3","3","1") = "4"
    & skf21("1","3","4","5","4","3","4","1") = "4"
    & skf21("1","3","4","5","4","3","5","1") = "4"
    & skf21("1","3","4","5","4","3","6","1") = "5"
    & skf21("1","3","4","5","4","3","7","1") = "6"
    & skf21("1","3","4","5","4","4","1","1") = "4"
    & skf21("1","3","4","5","4","4","2","1") = "4"
    & skf21("1","3","4","5","4","4","3","1") = "4"
    & skf21("1","3","4","5","4","4","4","1") = "4"
    & skf21("1","3","4","5","4","4","5","1") = "4"
    & skf21("1","3","4","5","4","4","6","1") = "5"
    & skf21("1","3","4","5","4","4","7","1") = "6"
    & skf21("1","3","4","5","4","5","1","1") = "4"
    & skf21("1","3","4","5","4","5","2","1") = "4"
    & skf21("1","3","4","5","4","5","3","1") = "4"
    & skf21("1","3","4","5","4","5","4","1") = "4"
    & skf21("1","3","4","5","4","5","5","1") = "4"
    & skf21("1","3","4","5","4","5","6","1") = "5"
    & skf21("1","3","4","5","4","5","7","1") = "6"
    & skf21("1","3","4","5","4","6","1","1") = "5"
    & skf21("1","3","4","5","4","6","2","1") = "5"
    & skf21("1","3","4","5","4","6","3","1") = "5"
    & skf21("1","3","4","5","4","6","4","1") = "5"
    & skf21("1","3","4","5","4","6","5","1") = "5"
    & skf21("1","3","4","5","4","6","6","1") = "5"
    & skf21("1","3","4","5","4","6","7","1") = "6"
    & skf21("1","3","4","5","4","7","1","1") = "6"
    & skf21("1","3","4","5","4","7","2","1") = "6"
    & skf21("1","3","4","5","4","7","3","1") = "6"
    & skf21("1","3","4","5","4","7","4","1") = "6"
    & skf21("1","3","4","5","4","7","5","1") = "6"
    & skf21("1","3","4","5","4","7","6","1") = "6"
    & skf21("1","3","4","5","4","7","7","1") = "6"
    & skf21("1","3","4","5","5","1","1","1") = "4"
    & skf21("1","3","4","5","5","1","2","1") = "4"
    & skf21("1","3","4","5","5","1","3","1") = "4"
    & skf21("1","3","4","5","5","1","4","1") = "4"
    & skf21("1","3","4","5","5","1","5","1") = "4"
    & skf21("1","3","4","5","5","1","6","1") = "5"
    & skf21("1","3","4","5","5","1","7","1") = "6"
    & skf21("1","3","4","5","5","2","1","1") = "4"
    & skf21("1","3","4","5","5","2","2","1") = "4"
    & skf21("1","3","4","5","5","2","3","1") = "4"
    & skf21("1","3","4","5","5","2","4","1") = "4"
    & skf21("1","3","4","5","5","2","5","1") = "4"
    & skf21("1","3","4","5","5","2","6","1") = "5"
    & skf21("1","3","4","5","5","2","7","1") = "6"
    & skf21("1","3","4","5","5","3","1","1") = "4"
    & skf21("1","3","4","5","5","3","2","1") = "4"
    & skf21("1","3","4","5","5","3","3","1") = "4"
    & skf21("1","3","4","5","5","3","4","1") = "4"
    & skf21("1","3","4","5","5","3","5","1") = "4"
    & skf21("1","3","4","5","5","3","6","1") = "5"
    & skf21("1","3","4","5","5","3","7","1") = "6"
    & skf21("1","3","4","5","5","4","1","1") = "4"
    & skf21("1","3","4","5","5","4","2","1") = "4"
    & skf21("1","3","4","5","5","4","3","1") = "4"
    & skf21("1","3","4","5","5","4","4","1") = "4"
    & skf21("1","3","4","5","5","4","5","1") = "4"
    & skf21("1","3","4","5","5","4","6","1") = "5"
    & skf21("1","3","4","5","5","4","7","1") = "6"
    & skf21("1","3","4","5","5","5","1","1") = "4"
    & skf21("1","3","4","5","5","5","2","1") = "4"
    & skf21("1","3","4","5","5","5","3","1") = "4"
    & skf21("1","3","4","5","5","5","4","1") = "4"
    & skf21("1","3","4","5","5","5","5","1") = "4"
    & skf21("1","3","4","5","5","5","6","1") = "5"
    & skf21("1","3","4","5","5","5","7","1") = "6"
    & skf21("1","3","4","5","5","6","1","1") = "5"
    & skf21("1","3","4","5","5","6","2","1") = "5"
    & skf21("1","3","4","5","5","6","3","1") = "5"
    & skf21("1","3","4","5","5","6","4","1") = "5"
    & skf21("1","3","4","5","5","6","5","1") = "5"
    & skf21("1","3","4","5","5","6","6","1") = "5"
    & skf21("1","3","4","5","5","6","7","1") = "6"
    & skf21("1","3","4","5","5","7","1","1") = "6"
    & skf21("1","3","4","5","5","7","2","1") = "6"
    & skf21("1","3","4","5","5","7","3","1") = "6"
    & skf21("1","3","4","5","5","7","4","1") = "6"
    & skf21("1","3","4","5","5","7","5","1") = "6"
    & skf21("1","3","4","5","5","7","6","1") = "6"
    & skf21("1","3","4","5","5","7","7","1") = "6"
    & skf21("1","3","4","5","6","1","1","1") = "5"
    & skf21("1","3","4","5","6","1","2","1") = "5"
    & skf21("1","3","4","5","6","1","3","1") = "5"
    & skf21("1","3","4","5","6","1","4","1") = "5"
    & skf21("1","3","4","5","6","1","5","1") = "5"
    & skf21("1","3","4","5","6","1","6","1") = "5"
    & skf21("1","3","4","5","6","1","7","1") = "6"
    & skf21("1","3","4","5","6","2","1","1") = "5"
    & skf21("1","3","4","5","6","2","2","1") = "5"
    & skf21("1","3","4","5","6","2","3","1") = "5"
    & skf21("1","3","4","5","6","2","4","1") = "5"
    & skf21("1","3","4","5","6","2","5","1") = "5"
    & skf21("1","3","4","5","6","2","6","1") = "5"
    & skf21("1","3","4","5","6","2","7","1") = "6"
    & skf21("1","3","4","5","6","3","1","1") = "5"
    & skf21("1","3","4","5","6","3","2","1") = "5"
    & skf21("1","3","4","5","6","3","3","1") = "5"
    & skf21("1","3","4","5","6","3","4","1") = "5"
    & skf21("1","3","4","5","6","3","5","1") = "5"
    & skf21("1","3","4","5","6","3","6","1") = "5"
    & skf21("1","3","4","5","6","3","7","1") = "6"
    & skf21("1","3","4","5","6","4","1","1") = "5"
    & skf21("1","3","4","5","6","4","2","1") = "5"
    & skf21("1","3","4","5","6","4","3","1") = "5"
    & skf21("1","3","4","5","6","4","4","1") = "5"
    & skf21("1","3","4","5","6","4","5","1") = "5"
    & skf21("1","3","4","5","6","4","6","1") = "5"
    & skf21("1","3","4","5","6","4","7","1") = "6"
    & skf21("1","3","4","5","6","5","1","1") = "5"
    & skf21("1","3","4","5","6","5","2","1") = "5"
    & skf21("1","3","4","5","6","5","3","1") = "5"
    & skf21("1","3","4","5","6","5","4","1") = "5"
    & skf21("1","3","4","5","6","5","5","1") = "5"
    & skf21("1","3","4","5","6","5","6","1") = "5"
    & skf21("1","3","4","5","6","5","7","1") = "6"
    & skf21("1","3","4","5","6","6","1","1") = "5"
    & skf21("1","3","4","5","6","6","2","1") = "5"
    & skf21("1","3","4","5","6","6","3","1") = "5"
    & skf21("1","3","4","5","6","6","4","1") = "5"
    & skf21("1","3","4","5","6","6","5","1") = "5"
    & skf21("1","3","4","5","6","6","6","1") = "5"
    & skf21("1","3","4","5","6","6","7","1") = "6"
    & skf21("1","3","4","5","6","7","1","1") = "6"
    & skf21("1","3","4","5","6","7","2","1") = "6"
    & skf21("1","3","4","5","6","7","3","1") = "6"
    & skf21("1","3","4","5","6","7","4","1") = "6"
    & skf21("1","3","4","5","6","7","5","1") = "6"
    & skf21("1","3","4","5","6","7","6","1") = "6"
    & skf21("1","3","4","5","6","7","7","1") = "6"
    & skf21("1","3","4","5","7","1","1","1") = "6"
    & skf21("1","3","4","5","7","1","2","1") = "6"
    & skf21("1","3","4","5","7","1","3","1") = "6"
    & skf21("1","3","4","5","7","1","4","1") = "6"
    & skf21("1","3","4","5","7","1","5","1") = "6"
    & skf21("1","3","4","5","7","1","6","1") = "6"
    & skf21("1","3","4","5","7","1","7","1") = "6"
    & skf21("1","3","4","5","7","2","1","1") = "6"
    & skf21("1","3","4","5","7","2","2","1") = "6"
    & skf21("1","3","4","5","7","2","3","1") = "6"
    & skf21("1","3","4","5","7","2","4","1") = "6"
    & skf21("1","3","4","5","7","2","5","1") = "6"
    & skf21("1","3","4","5","7","2","6","1") = "6"
    & skf21("1","3","4","5","7","2","7","1") = "6"
    & skf21("1","3","4","5","7","3","1","1") = "6"
    & skf21("1","3","4","5","7","3","2","1") = "6"
    & skf21("1","3","4","5","7","3","3","1") = "6"
    & skf21("1","3","4","5","7","3","4","1") = "6"
    & skf21("1","3","4","5","7","3","5","1") = "6"
    & skf21("1","3","4","5","7","3","6","1") = "6"
    & skf21("1","3","4","5","7","3","7","1") = "6"
    & skf21("1","3","4","5","7","4","1","1") = "6"
    & skf21("1","3","4","5","7","4","2","1") = "6"
    & skf21("1","3","4","5","7","4","3","1") = "6"
    & skf21("1","3","4","5","7","4","4","1") = "6"
    & skf21("1","3","4","5","7","4","5","1") = "6"
    & skf21("1","3","4","5","7","4","6","1") = "6"
    & skf21("1","3","4","5","7","4","7","1") = "6"
    & skf21("1","3","4","5","7","5","1","1") = "6"
    & skf21("1","3","4","5","7","5","2","1") = "6"
    & skf21("1","3","4","5","7","5","3","1") = "6"
    & skf21("1","3","4","5","7","5","4","1") = "6"
    & skf21("1","3","4","5","7","5","5","1") = "6"
    & skf21("1","3","4","5","7","5","6","1") = "6"
    & skf21("1","3","4","5","7","5","7","1") = "6"
    & skf21("1","3","4","5","7","6","1","1") = "6"
    & skf21("1","3","4","5","7","6","2","1") = "6"
    & skf21("1","3","4","5","7","6","3","1") = "6"
    & skf21("1","3","4","5","7","6","4","1") = "6"
    & skf21("1","3","4","5","7","6","5","1") = "6"
    & skf21("1","3","4","5","7","6","6","1") = "6"
    & skf21("1","3","4","5","7","6","7","1") = "6"
    & skf21("1","3","4","5","7","7","1","1") = "6"
    & skf21("1","3","4","5","7","7","2","1") = "6"
    & skf21("1","3","4","5","7","7","3","1") = "6"
    & skf21("1","3","4","5","7","7","4","1") = "6"
    & skf21("1","3","4","5","7","7","5","1") = "6"
    & skf21("1","3","4","5","7","7","6","1") = "6"
    & skf21("1","3","4","5","7","7","7","1") = "6"
    & skf21("1","3","4","6","1","1","1","1") = "5"
    & skf21("1","3","4","6","1","1","2","1") = "5"
    & skf21("1","3","4","6","1","1","3","1") = "5"
    & skf21("1","3","4","6","1","1","4","1") = "5"
    & skf21("1","3","4","6","1","1","5","1") = "5"
    & skf21("1","3","4","6","1","1","6","1") = "5"
    & skf21("1","3","4","6","1","1","7","1") = "6"
    & skf21("1","3","4","6","1","2","1","1") = "5"
    & skf21("1","3","4","6","1","2","2","1") = "5"
    & skf21("1","3","4","6","1","2","3","1") = "5"
    & skf21("1","3","4","6","1","2","4","1") = "5"
    & skf21("1","3","4","6","1","2","5","1") = "5"
    & skf21("1","3","4","6","1","2","6","1") = "5"
    & skf21("1","3","4","6","1","2","7","1") = "6"
    & skf21("1","3","4","6","1","3","1","1") = "5"
    & skf21("1","3","4","6","1","3","2","1") = "5"
    & skf21("1","3","4","6","1","3","3","1") = "5"
    & skf21("1","3","4","6","1","3","4","1") = "5"
    & skf21("1","3","4","6","1","3","5","1") = "5"
    & skf21("1","3","4","6","1","3","6","1") = "5"
    & skf21("1","3","4","6","1","3","7","1") = "6"
    & skf21("1","3","4","6","1","4","1","1") = "5"
    & skf21("1","3","4","6","1","4","2","1") = "5"
    & skf21("1","3","4","6","1","4","3","1") = "5"
    & skf21("1","3","4","6","1","4","4","1") = "5"
    & skf21("1","3","4","6","1","4","5","1") = "5"
    & skf21("1","3","4","6","1","4","6","1") = "5"
    & skf21("1","3","4","6","1","4","7","1") = "6"
    & skf21("1","3","4","6","1","5","1","1") = "5"
    & skf21("1","3","4","6","1","5","2","1") = "5"
    & skf21("1","3","4","6","1","5","3","1") = "5"
    & skf21("1","3","4","6","1","5","4","1") = "5"
    & skf21("1","3","4","6","1","5","5","1") = "5"
    & skf21("1","3","4","6","1","5","6","1") = "5"
    & skf21("1","3","4","6","1","5","7","1") = "6"
    & skf21("1","3","4","6","1","6","1","1") = "5"
    & skf21("1","3","4","6","1","6","2","1") = "5"
    & skf21("1","3","4","6","1","6","3","1") = "5"
    & skf21("1","3","4","6","1","6","4","1") = "5"
    & skf21("1","3","4","6","1","6","5","1") = "5"
    & skf21("1","3","4","6","1","6","6","1") = "5"
    & skf21("1","3","4","6","1","6","7","1") = "6"
    & skf21("1","3","4","6","1","7","1","1") = "6"
    & skf21("1","3","4","6","1","7","2","1") = "6"
    & skf21("1","3","4","6","1","7","3","1") = "6"
    & skf21("1","3","4","6","1","7","4","1") = "6"
    & skf21("1","3","4","6","1","7","5","1") = "6"
    & skf21("1","3","4","6","1","7","6","1") = "6"
    & skf21("1","3","4","6","1","7","7","1") = "6"
    & skf21("1","3","4","6","2","1","1","1") = "5"
    & skf21("1","3","4","6","2","1","2","1") = "5"
    & skf21("1","3","4","6","2","1","3","1") = "5"
    & skf21("1","3","4","6","2","1","4","1") = "5"
    & skf21("1","3","4","6","2","1","5","1") = "5"
    & skf21("1","3","4","6","2","1","6","1") = "5"
    & skf21("1","3","4","6","2","1","7","1") = "6"
    & skf21("1","3","4","6","2","2","1","1") = "5"
    & skf21("1","3","4","6","2","2","2","1") = "5"
    & skf21("1","3","4","6","2","2","3","1") = "5"
    & skf21("1","3","4","6","2","2","4","1") = "5"
    & skf21("1","3","4","6","2","2","5","1") = "5"
    & skf21("1","3","4","6","2","2","6","1") = "5"
    & skf21("1","3","4","6","2","2","7","1") = "6"
    & skf21("1","3","4","6","2","3","1","1") = "5"
    & skf21("1","3","4","6","2","3","2","1") = "5"
    & skf21("1","3","4","6","2","3","3","1") = "5"
    & skf21("1","3","4","6","2","3","4","1") = "5"
    & skf21("1","3","4","6","2","3","5","1") = "5"
    & skf21("1","3","4","6","2","3","6","1") = "5"
    & skf21("1","3","4","6","2","3","7","1") = "6"
    & skf21("1","3","4","6","2","4","1","1") = "5"
    & skf21("1","3","4","6","2","4","2","1") = "5"
    & skf21("1","3","4","6","2","4","3","1") = "5"
    & skf21("1","3","4","6","2","4","4","1") = "5"
    & skf21("1","3","4","6","2","4","5","1") = "5"
    & skf21("1","3","4","6","2","4","6","1") = "5"
    & skf21("1","3","4","6","2","4","7","1") = "6"
    & skf21("1","3","4","6","2","5","1","1") = "5"
    & skf21("1","3","4","6","2","5","2","1") = "5"
    & skf21("1","3","4","6","2","5","3","1") = "5"
    & skf21("1","3","4","6","2","5","4","1") = "5"
    & skf21("1","3","4","6","2","5","5","1") = "5"
    & skf21("1","3","4","6","2","5","6","1") = "5"
    & skf21("1","3","4","6","2","5","7","1") = "6"
    & skf21("1","3","4","6","2","6","1","1") = "5"
    & skf21("1","3","4","6","2","6","2","1") = "5"
    & skf21("1","3","4","6","2","6","3","1") = "5"
    & skf21("1","3","4","6","2","6","4","1") = "5"
    & skf21("1","3","4","6","2","6","5","1") = "5"
    & skf21("1","3","4","6","2","6","6","1") = "5"
    & skf21("1","3","4","6","2","6","7","1") = "6"
    & skf21("1","3","4","6","2","7","1","1") = "6"
    & skf21("1","3","4","6","2","7","2","1") = "6"
    & skf21("1","3","4","6","2","7","3","1") = "6"
    & skf21("1","3","4","6","2","7","4","1") = "6"
    & skf21("1","3","4","6","2","7","5","1") = "6"
    & skf21("1","3","4","6","2","7","6","1") = "6"
    & skf21("1","3","4","6","2","7","7","1") = "6"
    & skf21("1","3","4","6","3","1","1","1") = "5"
    & skf21("1","3","4","6","3","1","2","1") = "5"
    & skf21("1","3","4","6","3","1","3","1") = "5"
    & skf21("1","3","4","6","3","1","4","1") = "5"
    & skf21("1","3","4","6","3","1","5","1") = "5"
    & skf21("1","3","4","6","3","1","6","1") = "5"
    & skf21("1","3","4","6","3","1","7","1") = "6"
    & skf21("1","3","4","6","3","2","1","1") = "5"
    & skf21("1","3","4","6","3","2","2","1") = "5"
    & skf21("1","3","4","6","3","2","3","1") = "5"
    & skf21("1","3","4","6","3","2","4","1") = "5"
    & skf21("1","3","4","6","3","2","5","1") = "5"
    & skf21("1","3","4","6","3","2","6","1") = "5"
    & skf21("1","3","4","6","3","2","7","1") = "6"
    & skf21("1","3","4","6","3","3","1","1") = "5"
    & skf21("1","3","4","6","3","3","2","1") = "5"
    & skf21("1","3","4","6","3","3","3","1") = "5"
    & skf21("1","3","4","6","3","3","4","1") = "5"
    & skf21("1","3","4","6","3","3","5","1") = "5"
    & skf21("1","3","4","6","3","3","6","1") = "5"
    & skf21("1","3","4","6","3","3","7","1") = "6"
    & skf21("1","3","4","6","3","4","1","1") = "5"
    & skf21("1","3","4","6","3","4","2","1") = "5"
    & skf21("1","3","4","6","3","4","3","1") = "5"
    & skf21("1","3","4","6","3","4","4","1") = "5"
    & skf21("1","3","4","6","3","4","5","1") = "5"
    & skf21("1","3","4","6","3","4","6","1") = "5"
    & skf21("1","3","4","6","3","4","7","1") = "6"
    & skf21("1","3","4","6","3","5","1","1") = "5"
    & skf21("1","3","4","6","3","5","2","1") = "5"
    & skf21("1","3","4","6","3","5","3","1") = "5"
    & skf21("1","3","4","6","3","5","4","1") = "5"
    & skf21("1","3","4","6","3","5","5","1") = "5"
    & skf21("1","3","4","6","3","5","6","1") = "5"
    & skf21("1","3","4","6","3","5","7","1") = "6"
    & skf21("1","3","4","6","3","6","1","1") = "5"
    & skf21("1","3","4","6","3","6","2","1") = "5"
    & skf21("1","3","4","6","3","6","3","1") = "5"
    & skf21("1","3","4","6","3","6","4","1") = "5"
    & skf21("1","3","4","6","3","6","5","1") = "5"
    & skf21("1","3","4","6","3","6","6","1") = "5"
    & skf21("1","3","4","6","3","6","7","1") = "6"
    & skf21("1","3","4","6","3","7","1","1") = "6"
    & skf21("1","3","4","6","3","7","2","1") = "6"
    & skf21("1","3","4","6","3","7","3","1") = "6"
    & skf21("1","3","4","6","3","7","4","1") = "6"
    & skf21("1","3","4","6","3","7","5","1") = "6"
    & skf21("1","3","4","6","3","7","6","1") = "6"
    & skf21("1","3","4","6","3","7","7","1") = "6"
    & skf21("1","3","4","6","4","1","1","1") = "5"
    & skf21("1","3","4","6","4","1","2","1") = "5"
    & skf21("1","3","4","6","4","1","3","1") = "5"
    & skf21("1","3","4","6","4","1","4","1") = "5"
    & skf21("1","3","4","6","4","1","5","1") = "5"
    & skf21("1","3","4","6","4","1","6","1") = "5"
    & skf21("1","3","4","6","4","1","7","1") = "6"
    & skf21("1","3","4","6","4","2","1","1") = "5"
    & skf21("1","3","4","6","4","2","2","1") = "5"
    & skf21("1","3","4","6","4","2","3","1") = "5"
    & skf21("1","3","4","6","4","2","4","1") = "5"
    & skf21("1","3","4","6","4","2","5","1") = "5"
    & skf21("1","3","4","6","4","2","6","1") = "5"
    & skf21("1","3","4","6","4","2","7","1") = "6"
    & skf21("1","3","4","6","4","3","1","1") = "5"
    & skf21("1","3","4","6","4","3","2","1") = "5"
    & skf21("1","3","4","6","4","3","3","1") = "5"
    & skf21("1","3","4","6","4","3","4","1") = "5"
    & skf21("1","3","4","6","4","3","5","1") = "5"
    & skf21("1","3","4","6","4","3","6","1") = "5"
    & skf21("1","3","4","6","4","3","7","1") = "6"
    & skf21("1","3","4","6","4","4","1","1") = "5"
    & skf21("1","3","4","6","4","4","2","1") = "5"
    & skf21("1","3","4","6","4","4","3","1") = "5"
    & skf21("1","3","4","6","4","4","4","1") = "5"
    & skf21("1","3","4","6","4","4","5","1") = "5"
    & skf21("1","3","4","6","4","4","6","1") = "5"
    & skf21("1","3","4","6","4","4","7","1") = "6"
    & skf21("1","3","4","6","4","5","1","1") = "5"
    & skf21("1","3","4","6","4","5","2","1") = "5"
    & skf21("1","3","4","6","4","5","3","1") = "5"
    & skf21("1","3","4","6","4","5","4","1") = "5"
    & skf21("1","3","4","6","4","5","5","1") = "5"
    & skf21("1","3","4","6","4","5","6","1") = "5"
    & skf21("1","3","4","6","4","5","7","1") = "6"
    & skf21("1","3","4","6","4","6","1","1") = "5"
    & skf21("1","3","4","6","4","6","2","1") = "5"
    & skf21("1","3","4","6","4","6","3","1") = "5"
    & skf21("1","3","4","6","4","6","4","1") = "5"
    & skf21("1","3","4","6","4","6","5","1") = "5"
    & skf21("1","3","4","6","4","6","6","1") = "5"
    & skf21("1","3","4","6","4","6","7","1") = "6"
    & skf21("1","3","4","6","4","7","1","1") = "6"
    & skf21("1","3","4","6","4","7","2","1") = "6"
    & skf21("1","3","4","6","4","7","3","1") = "6"
    & skf21("1","3","4","6","4","7","4","1") = "6"
    & skf21("1","3","4","6","4","7","5","1") = "6"
    & skf21("1","3","4","6","4","7","6","1") = "6"
    & skf21("1","3","4","6","4","7","7","1") = "6"
    & skf21("1","3","4","6","5","1","1","1") = "5"
    & skf21("1","3","4","6","5","1","2","1") = "5"
    & skf21("1","3","4","6","5","1","3","1") = "5"
    & skf21("1","3","4","6","5","1","4","1") = "5"
    & skf21("1","3","4","6","5","1","5","1") = "5"
    & skf21("1","3","4","6","5","1","6","1") = "5"
    & skf21("1","3","4","6","5","1","7","1") = "6"
    & skf21("1","3","4","6","5","2","1","1") = "5"
    & skf21("1","3","4","6","5","2","2","1") = "5"
    & skf21("1","3","4","6","5","2","3","1") = "5"
    & skf21("1","3","4","6","5","2","4","1") = "5"
    & skf21("1","3","4","6","5","2","5","1") = "5"
    & skf21("1","3","4","6","5","2","6","1") = "5"
    & skf21("1","3","4","6","5","2","7","1") = "6"
    & skf21("1","3","4","6","5","3","1","1") = "5"
    & skf21("1","3","4","6","5","3","2","1") = "5"
    & skf21("1","3","4","6","5","3","3","1") = "5"
    & skf21("1","3","4","6","5","3","4","1") = "5"
    & skf21("1","3","4","6","5","3","5","1") = "5"
    & skf21("1","3","4","6","5","3","6","1") = "5"
    & skf21("1","3","4","6","5","3","7","1") = "6"
    & skf21("1","3","4","6","5","4","1","1") = "5"
    & skf21("1","3","4","6","5","4","2","1") = "5"
    & skf21("1","3","4","6","5","4","3","1") = "5"
    & skf21("1","3","4","6","5","4","4","1") = "5"
    & skf21("1","3","4","6","5","4","5","1") = "5"
    & skf21("1","3","4","6","5","4","6","1") = "5"
    & skf21("1","3","4","6","5","4","7","1") = "6"
    & skf21("1","3","4","6","5","5","1","1") = "5"
    & skf21("1","3","4","6","5","5","2","1") = "5"
    & skf21("1","3","4","6","5","5","3","1") = "5"
    & skf21("1","3","4","6","5","5","4","1") = "5"
    & skf21("1","3","4","6","5","5","5","1") = "5"
    & skf21("1","3","4","6","5","5","6","1") = "5"
    & skf21("1","3","4","6","5","5","7","1") = "6"
    & skf21("1","3","4","6","5","6","1","1") = "5"
    & skf21("1","3","4","6","5","6","2","1") = "5"
    & skf21("1","3","4","6","5","6","3","1") = "5"
    & skf21("1","3","4","6","5","6","4","1") = "5"
    & skf21("1","3","4","6","5","6","5","1") = "5"
    & skf21("1","3","4","6","5","6","6","1") = "5"
    & skf21("1","3","4","6","5","6","7","1") = "6"
    & skf21("1","3","4","6","5","7","1","1") = "6"
    & skf21("1","3","4","6","5","7","2","1") = "6"
    & skf21("1","3","4","6","5","7","3","1") = "6"
    & skf21("1","3","4","6","5","7","4","1") = "6"
    & skf21("1","3","4","6","5","7","5","1") = "6"
    & skf21("1","3","4","6","5","7","6","1") = "6"
    & skf21("1","3","4","6","5","7","7","1") = "6"
    & skf21("1","3","4","6","6","1","1","1") = "5"
    & skf21("1","3","4","6","6","1","2","1") = "5"
    & skf21("1","3","4","6","6","1","3","1") = "5"
    & skf21("1","3","4","6","6","1","4","1") = "5"
    & skf21("1","3","4","6","6","1","5","1") = "5"
    & skf21("1","3","4","6","6","1","6","1") = "5"
    & skf21("1","3","4","6","6","1","7","1") = "6"
    & skf21("1","3","4","6","6","2","1","1") = "5"
    & skf21("1","3","4","6","6","2","2","1") = "5"
    & skf21("1","3","4","6","6","2","3","1") = "5"
    & skf21("1","3","4","6","6","2","4","1") = "5"
    & skf21("1","3","4","6","6","2","5","1") = "5"
    & skf21("1","3","4","6","6","2","6","1") = "5"
    & skf21("1","3","4","6","6","2","7","1") = "6"
    & skf21("1","3","4","6","6","3","1","1") = "5"
    & skf21("1","3","4","6","6","3","2","1") = "5"
    & skf21("1","3","4","6","6","3","3","1") = "5"
    & skf21("1","3","4","6","6","3","4","1") = "5"
    & skf21("1","3","4","6","6","3","5","1") = "5"
    & skf21("1","3","4","6","6","3","6","1") = "5"
    & skf21("1","3","4","6","6","3","7","1") = "6"
    & skf21("1","3","4","6","6","4","1","1") = "5"
    & skf21("1","3","4","6","6","4","2","1") = "5"
    & skf21("1","3","4","6","6","4","3","1") = "5"
    & skf21("1","3","4","6","6","4","4","1") = "5"
    & skf21("1","3","4","6","6","4","5","1") = "5"
    & skf21("1","3","4","6","6","4","6","1") = "5"
    & skf21("1","3","4","6","6","4","7","1") = "6"
    & skf21("1","3","4","6","6","5","1","1") = "5"
    & skf21("1","3","4","6","6","5","2","1") = "5"
    & skf21("1","3","4","6","6","5","3","1") = "5"
    & skf21("1","3","4","6","6","5","4","1") = "5"
    & skf21("1","3","4","6","6","5","5","1") = "5"
    & skf21("1","3","4","6","6","5","6","1") = "5"
    & skf21("1","3","4","6","6","5","7","1") = "6"
    & skf21("1","3","4","6","6","6","1","1") = "5"
    & skf21("1","3","4","6","6","6","2","1") = "5"
    & skf21("1","3","4","6","6","6","3","1") = "5"
    & skf21("1","3","4","6","6","6","4","1") = "5"
    & skf21("1","3","4","6","6","6","5","1") = "5"
    & skf21("1","3","4","6","6","6","6","1") = "5"
    & skf21("1","3","4","6","6","6","7","1") = "6"
    & skf21("1","3","4","6","6","7","1","1") = "6"
    & skf21("1","3","4","6","6","7","2","1") = "6"
    & skf21("1","3","4","6","6","7","3","1") = "6"
    & skf21("1","3","4","6","6","7","4","1") = "6"
    & skf21("1","3","4","6","6","7","5","1") = "6"
    & skf21("1","3","4","6","6","7","6","1") = "6"
    & skf21("1","3","4","6","6","7","7","1") = "6"
    & skf21("1","3","4","6","7","1","1","1") = "6"
    & skf21("1","3","4","6","7","1","2","1") = "6"
    & skf21("1","3","4","6","7","1","3","1") = "6"
    & skf21("1","3","4","6","7","1","4","1") = "6"
    & skf21("1","3","4","6","7","1","5","1") = "6"
    & skf21("1","3","4","6","7","1","6","1") = "6"
    & skf21("1","3","4","6","7","1","7","1") = "6"
    & skf21("1","3","4","6","7","2","1","1") = "6"
    & skf21("1","3","4","6","7","2","2","1") = "6"
    & skf21("1","3","4","6","7","2","3","1") = "6"
    & skf21("1","3","4","6","7","2","4","1") = "6"
    & skf21("1","3","4","6","7","2","5","1") = "6"
    & skf21("1","3","4","6","7","2","6","1") = "6"
    & skf21("1","3","4","6","7","2","7","1") = "6"
    & skf21("1","3","4","6","7","3","1","1") = "6"
    & skf21("1","3","4","6","7","3","2","1") = "6"
    & skf21("1","3","4","6","7","3","3","1") = "6"
    & skf21("1","3","4","6","7","3","4","1") = "6"
    & skf21("1","3","4","6","7","3","5","1") = "6"
    & skf21("1","3","4","6","7","3","6","1") = "6"
    & skf21("1","3","4","6","7","3","7","1") = "6"
    & skf21("1","3","4","6","7","4","1","1") = "6"
    & skf21("1","3","4","6","7","4","2","1") = "6"
    & skf21("1","3","4","6","7","4","3","1") = "6"
    & skf21("1","3","4","6","7","4","4","1") = "6"
    & skf21("1","3","4","6","7","4","5","1") = "6"
    & skf21("1","3","4","6","7","4","6","1") = "6"
    & skf21("1","3","4","6","7","4","7","1") = "6"
    & skf21("1","3","4","6","7","5","1","1") = "6"
    & skf21("1","3","4","6","7","5","2","1") = "6"
    & skf21("1","3","4","6","7","5","3","1") = "6"
    & skf21("1","3","4","6","7","5","4","1") = "6"
    & skf21("1","3","4","6","7","5","5","1") = "6"
    & skf21("1","3","4","6","7","5","6","1") = "6"
    & skf21("1","3","4","6","7","5","7","1") = "6"
    & skf21("1","3","4","6","7","6","1","1") = "6"
    & skf21("1","3","4","6","7","6","2","1") = "6"
    & skf21("1","3","4","6","7","6","3","1") = "6"
    & skf21("1","3","4","6","7","6","4","1") = "6"
    & skf21("1","3","4","6","7","6","5","1") = "6"
    & skf21("1","3","4","6","7","6","6","1") = "6"
    & skf21("1","3","4","6","7","6","7","1") = "6"
    & skf21("1","3","4","6","7","7","1","1") = "6"
    & skf21("1","3","4","6","7","7","2","1") = "6"
    & skf21("1","3","4","6","7","7","3","1") = "6"
    & skf21("1","3","4","6","7","7","4","1") = "6"
    & skf21("1","3","4","6","7","7","5","1") = "6"
    & skf21("1","3","4","6","7","7","6","1") = "6"
    & skf21("1","3","4","6","7","7","7","1") = "6"
    & skf21("1","3","4","7","1","1","1","1") = "6"
    & skf21("1","3","4","7","1","1","2","1") = "6"
    & skf21("1","3","4","7","1","1","3","1") = "6"
    & skf21("1","3","4","7","1","1","4","1") = "6"
    & skf21("1","3","4","7","1","1","5","1") = "6"
    & skf21("1","3","4","7","1","1","6","1") = "6"
    & skf21("1","3","4","7","1","1","7","1") = "6"
    & skf21("1","3","4","7","1","2","1","1") = "6"
    & skf21("1","3","4","7","1","2","2","1") = "6"
    & skf21("1","3","4","7","1","2","3","1") = "6"
    & skf21("1","3","4","7","1","2","4","1") = "6"
    & skf21("1","3","4","7","1","2","5","1") = "6"
    & skf21("1","3","4","7","1","2","6","1") = "6"
    & skf21("1","3","4","7","1","2","7","1") = "6"
    & skf21("1","3","4","7","1","3","1","1") = "6"
    & skf21("1","3","4","7","1","3","2","1") = "6"
    & skf21("1","3","4","7","1","3","3","1") = "6"
    & skf21("1","3","4","7","1","3","4","1") = "6"
    & skf21("1","3","4","7","1","3","5","1") = "6"
    & skf21("1","3","4","7","1","3","6","1") = "6"
    & skf21("1","3","4","7","1","3","7","1") = "6"
    & skf21("1","3","4","7","1","4","1","1") = "6"
    & skf21("1","3","4","7","1","4","2","1") = "6"
    & skf21("1","3","4","7","1","4","3","1") = "6"
    & skf21("1","3","4","7","1","4","4","1") = "6"
    & skf21("1","3","4","7","1","4","5","1") = "6"
    & skf21("1","3","4","7","1","4","6","1") = "6"
    & skf21("1","3","4","7","1","4","7","1") = "6"
    & skf21("1","3","4","7","1","5","1","1") = "6"
    & skf21("1","3","4","7","1","5","2","1") = "6"
    & skf21("1","3","4","7","1","5","3","1") = "6"
    & skf21("1","3","4","7","1","5","4","1") = "6"
    & skf21("1","3","4","7","1","5","5","1") = "6"
    & skf21("1","3","4","7","1","5","6","1") = "6"
    & skf21("1","3","4","7","1","5","7","1") = "6"
    & skf21("1","3","4","7","1","6","1","1") = "6"
    & skf21("1","3","4","7","1","6","2","1") = "6"
    & skf21("1","3","4","7","1","6","3","1") = "6"
    & skf21("1","3","4","7","1","6","4","1") = "6"
    & skf21("1","3","4","7","1","6","5","1") = "6"
    & skf21("1","3","4","7","1","6","6","1") = "6"
    & skf21("1","3","4","7","1","6","7","1") = "6"
    & skf21("1","3","4","7","1","7","1","1") = "6"
    & skf21("1","3","4","7","1","7","2","1") = "6"
    & skf21("1","3","4","7","1","7","3","1") = "6"
    & skf21("1","3","4","7","1","7","4","1") = "6"
    & skf21("1","3","4","7","1","7","5","1") = "6"
    & skf21("1","3","4","7","1","7","6","1") = "6"
    & skf21("1","3","4","7","1","7","7","1") = "6"
    & skf21("1","3","4","7","2","1","1","1") = "6"
    & skf21("1","3","4","7","2","1","2","1") = "6"
    & skf21("1","3","4","7","2","1","3","1") = "6"
    & skf21("1","3","4","7","2","1","4","1") = "6"
    & skf21("1","3","4","7","2","1","5","1") = "6"
    & skf21("1","3","4","7","2","1","6","1") = "6"
    & skf21("1","3","4","7","2","1","7","1") = "6"
    & skf21("1","3","4","7","2","2","1","1") = "6"
    & skf21("1","3","4","7","2","2","2","1") = "6"
    & skf21("1","3","4","7","2","2","3","1") = "6"
    & skf21("1","3","4","7","2","2","4","1") = "6"
    & skf21("1","3","4","7","2","2","5","1") = "6"
    & skf21("1","3","4","7","2","2","6","1") = "6"
    & skf21("1","3","4","7","2","2","7","1") = "6"
    & skf21("1","3","4","7","2","3","1","1") = "6"
    & skf21("1","3","4","7","2","3","2","1") = "6"
    & skf21("1","3","4","7","2","3","3","1") = "6"
    & skf21("1","3","4","7","2","3","4","1") = "6"
    & skf21("1","3","4","7","2","3","5","1") = "6"
    & skf21("1","3","4","7","2","3","6","1") = "6"
    & skf21("1","3","4","7","2","3","7","1") = "6"
    & skf21("1","3","4","7","2","4","1","1") = "6"
    & skf21("1","3","4","7","2","4","2","1") = "6"
    & skf21("1","3","4","7","2","4","3","1") = "6"
    & skf21("1","3","4","7","2","4","4","1") = "6"
    & skf21("1","3","4","7","2","4","5","1") = "6"
    & skf21("1","3","4","7","2","4","6","1") = "6"
    & skf21("1","3","4","7","2","4","7","1") = "6"
    & skf21("1","3","4","7","2","5","1","1") = "6"
    & skf21("1","3","4","7","2","5","2","1") = "6"
    & skf21("1","3","4","7","2","5","3","1") = "6"
    & skf21("1","3","4","7","2","5","4","1") = "6"
    & skf21("1","3","4","7","2","5","5","1") = "6"
    & skf21("1","3","4","7","2","5","6","1") = "6"
    & skf21("1","3","4","7","2","5","7","1") = "6"
    & skf21("1","3","4","7","2","6","1","1") = "6"
    & skf21("1","3","4","7","2","6","2","1") = "6"
    & skf21("1","3","4","7","2","6","3","1") = "6"
    & skf21("1","3","4","7","2","6","4","1") = "6"
    & skf21("1","3","4","7","2","6","5","1") = "6"
    & skf21("1","3","4","7","2","6","6","1") = "6"
    & skf21("1","3","4","7","2","6","7","1") = "6"
    & skf21("1","3","4","7","2","7","1","1") = "6"
    & skf21("1","3","4","7","2","7","2","1") = "6"
    & skf21("1","3","4","7","2","7","3","1") = "6"
    & skf21("1","3","4","7","2","7","4","1") = "6"
    & skf21("1","3","4","7","2","7","5","1") = "6"
    & skf21("1","3","4","7","2","7","6","1") = "6"
    & skf21("1","3","4","7","2","7","7","1") = "6"
    & skf21("1","3","4","7","3","1","1","1") = "6"
    & skf21("1","3","4","7","3","1","2","1") = "6"
    & skf21("1","3","4","7","3","1","3","1") = "6"
    & skf21("1","3","4","7","3","1","4","1") = "6"
    & skf21("1","3","4","7","3","1","5","1") = "6"
    & skf21("1","3","4","7","3","1","6","1") = "6"
    & skf21("1","3","4","7","3","1","7","1") = "6"
    & skf21("1","3","4","7","3","2","1","1") = "6"
    & skf21("1","3","4","7","3","2","2","1") = "6"
    & skf21("1","3","4","7","3","2","3","1") = "6"
    & skf21("1","3","4","7","3","2","4","1") = "6"
    & skf21("1","3","4","7","3","2","5","1") = "6"
    & skf21("1","3","4","7","3","2","6","1") = "6"
    & skf21("1","3","4","7","3","2","7","1") = "6"
    & skf21("1","3","4","7","3","3","1","1") = "6"
    & skf21("1","3","4","7","3","3","2","1") = "6"
    & skf21("1","3","4","7","3","3","3","1") = "6"
    & skf21("1","3","4","7","3","3","4","1") = "6"
    & skf21("1","3","4","7","3","3","5","1") = "6"
    & skf21("1","3","4","7","3","3","6","1") = "6"
    & skf21("1","3","4","7","3","3","7","1") = "6"
    & skf21("1","3","4","7","3","4","1","1") = "6"
    & skf21("1","3","4","7","3","4","2","1") = "6"
    & skf21("1","3","4","7","3","4","3","1") = "6"
    & skf21("1","3","4","7","3","4","4","1") = "6"
    & skf21("1","3","4","7","3","4","5","1") = "6"
    & skf21("1","3","4","7","3","4","6","1") = "6"
    & skf21("1","3","4","7","3","4","7","1") = "6"
    & skf21("1","3","4","7","3","5","1","1") = "6"
    & skf21("1","3","4","7","3","5","2","1") = "6"
    & skf21("1","3","4","7","3","5","3","1") = "6"
    & skf21("1","3","4","7","3","5","4","1") = "6"
    & skf21("1","3","4","7","3","5","5","1") = "6"
    & skf21("1","3","4","7","3","5","6","1") = "6"
    & skf21("1","3","4","7","3","5","7","1") = "6"
    & skf21("1","3","4","7","3","6","1","1") = "6"
    & skf21("1","3","4","7","3","6","2","1") = "6"
    & skf21("1","3","4","7","3","6","3","1") = "6"
    & skf21("1","3","4","7","3","6","4","1") = "6"
    & skf21("1","3","4","7","3","6","5","1") = "6"
    & skf21("1","3","4","7","3","6","6","1") = "6"
    & skf21("1","3","4","7","3","6","7","1") = "6"
    & skf21("1","3","4","7","3","7","1","1") = "6"
    & skf21("1","3","4","7","3","7","2","1") = "6"
    & skf21("1","3","4","7","3","7","3","1") = "6"
    & skf21("1","3","4","7","3","7","4","1") = "6"
    & skf21("1","3","4","7","3","7","5","1") = "6"
    & skf21("1","3","4","7","3","7","6","1") = "6"
    & skf21("1","3","4","7","3","7","7","1") = "6"
    & skf21("1","3","4","7","4","1","1","1") = "6"
    & skf21("1","3","4","7","4","1","2","1") = "6"
    & skf21("1","3","4","7","4","1","3","1") = "6"
    & skf21("1","3","4","7","4","1","4","1") = "6"
    & skf21("1","3","4","7","4","1","5","1") = "6"
    & skf21("1","3","4","7","4","1","6","1") = "6"
    & skf21("1","3","4","7","4","1","7","1") = "6"
    & skf21("1","3","4","7","4","2","1","1") = "6"
    & skf21("1","3","4","7","4","2","2","1") = "6"
    & skf21("1","3","4","7","4","2","3","1") = "6"
    & skf21("1","3","4","7","4","2","4","1") = "6"
    & skf21("1","3","4","7","4","2","5","1") = "6"
    & skf21("1","3","4","7","4","2","6","1") = "6"
    & skf21("1","3","4","7","4","2","7","1") = "6"
    & skf21("1","3","4","7","4","3","1","1") = "6"
    & skf21("1","3","4","7","4","3","2","1") = "6"
    & skf21("1","3","4","7","4","3","3","1") = "6"
    & skf21("1","3","4","7","4","3","4","1") = "6"
    & skf21("1","3","4","7","4","3","5","1") = "6"
    & skf21("1","3","4","7","4","3","6","1") = "6"
    & skf21("1","3","4","7","4","3","7","1") = "6"
    & skf21("1","3","4","7","4","4","1","1") = "6"
    & skf21("1","3","4","7","4","4","2","1") = "6"
    & skf21("1","3","4","7","4","4","3","1") = "6"
    & skf21("1","3","4","7","4","4","4","1") = "6"
    & skf21("1","3","4","7","4","4","5","1") = "6"
    & skf21("1","3","4","7","4","4","6","1") = "6"
    & skf21("1","3","4","7","4","4","7","1") = "6"
    & skf21("1","3","4","7","4","5","1","1") = "6"
    & skf21("1","3","4","7","4","5","2","1") = "6"
    & skf21("1","3","4","7","4","5","3","1") = "6"
    & skf21("1","3","4","7","4","5","4","1") = "6"
    & skf21("1","3","4","7","4","5","5","1") = "6"
    & skf21("1","3","4","7","4","5","6","1") = "6"
    & skf21("1","3","4","7","4","5","7","1") = "6"
    & skf21("1","3","4","7","4","6","1","1") = "6"
    & skf21("1","3","4","7","4","6","2","1") = "6"
    & skf21("1","3","4","7","4","6","3","1") = "6"
    & skf21("1","3","4","7","4","6","4","1") = "6"
    & skf21("1","3","4","7","4","6","5","1") = "6"
    & skf21("1","3","4","7","4","6","6","1") = "6"
    & skf21("1","3","4","7","4","6","7","1") = "6"
    & skf21("1","3","4","7","4","7","1","1") = "6"
    & skf21("1","3","4","7","4","7","2","1") = "6"
    & skf21("1","3","4","7","4","7","3","1") = "6"
    & skf21("1","3","4","7","4","7","4","1") = "6"
    & skf21("1","3","4","7","4","7","5","1") = "6"
    & skf21("1","3","4","7","4","7","6","1") = "6"
    & skf21("1","3","4","7","4","7","7","1") = "6"
    & skf21("1","3","4","7","5","1","1","1") = "6"
    & skf21("1","3","4","7","5","1","2","1") = "6"
    & skf21("1","3","4","7","5","1","3","1") = "6"
    & skf21("1","3","4","7","5","1","4","1") = "6"
    & skf21("1","3","4","7","5","1","5","1") = "6"
    & skf21("1","3","4","7","5","1","6","1") = "6"
    & skf21("1","3","4","7","5","1","7","1") = "6"
    & skf21("1","3","4","7","5","2","1","1") = "6"
    & skf21("1","3","4","7","5","2","2","1") = "6"
    & skf21("1","3","4","7","5","2","3","1") = "6"
    & skf21("1","3","4","7","5","2","4","1") = "6"
    & skf21("1","3","4","7","5","2","5","1") = "6"
    & skf21("1","3","4","7","5","2","6","1") = "6"
    & skf21("1","3","4","7","5","2","7","1") = "6"
    & skf21("1","3","4","7","5","3","1","1") = "6"
    & skf21("1","3","4","7","5","3","2","1") = "6"
    & skf21("1","3","4","7","5","3","3","1") = "6"
    & skf21("1","3","4","7","5","3","4","1") = "6"
    & skf21("1","3","4","7","5","3","5","1") = "6"
    & skf21("1","3","4","7","5","3","6","1") = "6"
    & skf21("1","3","4","7","5","3","7","1") = "6"
    & skf21("1","3","4","7","5","4","1","1") = "6"
    & skf21("1","3","4","7","5","4","2","1") = "6"
    & skf21("1","3","4","7","5","4","3","1") = "6"
    & skf21("1","3","4","7","5","4","4","1") = "6"
    & skf21("1","3","4","7","5","4","5","1") = "6"
    & skf21("1","3","4","7","5","4","6","1") = "6"
    & skf21("1","3","4","7","5","4","7","1") = "6"
    & skf21("1","3","4","7","5","5","1","1") = "6"
    & skf21("1","3","4","7","5","5","2","1") = "6"
    & skf21("1","3","4","7","5","5","3","1") = "6"
    & skf21("1","3","4","7","5","5","4","1") = "6"
    & skf21("1","3","4","7","5","5","5","1") = "6"
    & skf21("1","3","4","7","5","5","6","1") = "6"
    & skf21("1","3","4","7","5","5","7","1") = "6"
    & skf21("1","3","4","7","5","6","1","1") = "6"
    & skf21("1","3","4","7","5","6","2","1") = "6"
    & skf21("1","3","4","7","5","6","3","1") = "6"
    & skf21("1","3","4","7","5","6","4","1") = "6"
    & skf21("1","3","4","7","5","6","5","1") = "6"
    & skf21("1","3","4","7","5","6","6","1") = "6"
    & skf21("1","3","4","7","5","6","7","1") = "6"
    & skf21("1","3","4","7","5","7","1","1") = "6"
    & skf21("1","3","4","7","5","7","2","1") = "6"
    & skf21("1","3","4","7","5","7","3","1") = "6"
    & skf21("1","3","4","7","5","7","4","1") = "6"
    & skf21("1","3","4","7","5","7","5","1") = "6"
    & skf21("1","3","4","7","5","7","6","1") = "6"
    & skf21("1","3","4","7","5","7","7","1") = "6"
    & skf21("1","3","4","7","6","1","1","1") = "6"
    & skf21("1","3","4","7","6","1","2","1") = "6"
    & skf21("1","3","4","7","6","1","3","1") = "6"
    & skf21("1","3","4","7","6","1","4","1") = "6"
    & skf21("1","3","4","7","6","1","5","1") = "6"
    & skf21("1","3","4","7","6","1","6","1") = "6"
    & skf21("1","3","4","7","6","1","7","1") = "6"
    & skf21("1","3","4","7","6","2","1","1") = "6"
    & skf21("1","3","4","7","6","2","2","1") = "6"
    & skf21("1","3","4","7","6","2","3","1") = "6"
    & skf21("1","3","4","7","6","2","4","1") = "6"
    & skf21("1","3","4","7","6","2","5","1") = "6"
    & skf21("1","3","4","7","6","2","6","1") = "6"
    & skf21("1","3","4","7","6","2","7","1") = "6"
    & skf21("1","3","4","7","6","3","1","1") = "6"
    & skf21("1","3","4","7","6","3","2","1") = "6"
    & skf21("1","3","4","7","6","3","3","1") = "6"
    & skf21("1","3","4","7","6","3","4","1") = "6"
    & skf21("1","3","4","7","6","3","5","1") = "6"
    & skf21("1","3","4","7","6","3","6","1") = "6"
    & skf21("1","3","4","7","6","3","7","1") = "6"
    & skf21("1","3","4","7","6","4","1","1") = "6"
    & skf21("1","3","4","7","6","4","2","1") = "6"
    & skf21("1","3","4","7","6","4","3","1") = "6"
    & skf21("1","3","4","7","6","4","4","1") = "6"
    & skf21("1","3","4","7","6","4","5","1") = "6"
    & skf21("1","3","4","7","6","4","6","1") = "6"
    & skf21("1","3","4","7","6","4","7","1") = "6"
    & skf21("1","3","4","7","6","5","1","1") = "6"
    & skf21("1","3","4","7","6","5","2","1") = "6"
    & skf21("1","3","4","7","6","5","3","1") = "6"
    & skf21("1","3","4","7","6","5","4","1") = "6"
    & skf21("1","3","4","7","6","5","5","1") = "6"
    & skf21("1","3","4","7","6","5","6","1") = "6"
    & skf21("1","3","4","7","6","5","7","1") = "6"
    & skf21("1","3","4","7","6","6","1","1") = "6"
    & skf21("1","3","4","7","6","6","2","1") = "6"
    & skf21("1","3","4","7","6","6","3","1") = "6"
    & skf21("1","3","4","7","6","6","4","1") = "6"
    & skf21("1","3","4","7","6","6","5","1") = "6"
    & skf21("1","3","4","7","6","6","6","1") = "6"
    & skf21("1","3","4","7","6","6","7","1") = "6"
    & skf21("1","3","4","7","6","7","1","1") = "6"
    & skf21("1","3","4","7","6","7","2","1") = "6"
    & skf21("1","3","4","7","6","7","3","1") = "6"
    & skf21("1","3","4","7","6","7","4","1") = "6"
    & skf21("1","3","4","7","6","7","5","1") = "6"
    & skf21("1","3","4","7","6","7","6","1") = "6"
    & skf21("1","3","4","7","6","7","7","1") = "6"
    & skf21("1","3","4","7","7","1","1","1") = "6"
    & skf21("1","3","4","7","7","1","2","1") = "6"
    & skf21("1","3","4","7","7","1","3","1") = "6"
    & skf21("1","3","4","7","7","1","4","1") = "6"
    & skf21("1","3","4","7","7","1","5","1") = "6"
    & skf21("1","3","4","7","7","1","6","1") = "6"
    & skf21("1","3","4","7","7","1","7","1") = "6"
    & skf21("1","3","4","7","7","2","1","1") = "6"
    & skf21("1","3","4","7","7","2","2","1") = "6"
    & skf21("1","3","4","7","7","2","3","1") = "6"
    & skf21("1","3","4","7","7","2","4","1") = "6"
    & skf21("1","3","4","7","7","2","5","1") = "6"
    & skf21("1","3","4","7","7","2","6","1") = "6"
    & skf21("1","3","4","7","7","2","7","1") = "6"
    & skf21("1","3","4","7","7","3","1","1") = "6"
    & skf21("1","3","4","7","7","3","2","1") = "6"
    & skf21("1","3","4","7","7","3","3","1") = "6"
    & skf21("1","3","4","7","7","3","4","1") = "6"
    & skf21("1","3","4","7","7","3","5","1") = "6"
    & skf21("1","3","4","7","7","3","6","1") = "6"
    & skf21("1","3","4","7","7","3","7","1") = "6"
    & skf21("1","3","4","7","7","4","1","1") = "6"
    & skf21("1","3","4","7","7","4","2","1") = "6"
    & skf21("1","3","4","7","7","4","3","1") = "6"
    & skf21("1","3","4","7","7","4","4","1") = "6"
    & skf21("1","3","4","7","7","4","5","1") = "6"
    & skf21("1","3","4","7","7","4","6","1") = "6"
    & skf21("1","3","4","7","7","4","7","1") = "6"
    & skf21("1","3","4","7","7","5","1","1") = "6"
    & skf21("1","3","4","7","7","5","2","1") = "6"
    & skf21("1","3","4","7","7","5","3","1") = "6"
    & skf21("1","3","4","7","7","5","4","1") = "6"
    & skf21("1","3","4","7","7","5","5","1") = "6"
    & skf21("1","3","4","7","7","5","6","1") = "6"
    & skf21("1","3","4","7","7","5","7","1") = "6"
    & skf21("1","3","4","7","7","6","1","1") = "6"
    & skf21("1","3","4","7","7","6","2","1") = "6"
    & skf21("1","3","4","7","7","6","3","1") = "6"
    & skf21("1","3","4","7","7","6","4","1") = "6"
    & skf21("1","3","4","7","7","6","5","1") = "6"
    & skf21("1","3","4","7","7","6","6","1") = "6"
    & skf21("1","3","4","7","7","6","7","1") = "6"
    & skf21("1","3","4","7","7","7","1","1") = "6"
    & skf21("1","3","4","7","7","7","2","1") = "6"
    & skf21("1","3","4","7","7","7","3","1") = "6"
    & skf21("1","3","4","7","7","7","4","1") = "6"
    & skf21("1","3","4","7","7","7","5","1") = "6"
    & skf21("1","3","4","7","7","7","6","1") = "6"
    & skf21("1","3","4","7","7","7","7","1") = "6"
    & skf21("1","3","5","1","1","1","1","1") = "4"
    & skf21("1","3","5","1","1","1","2","1") = "4"
    & skf21("1","3","5","1","1","1","3","1") = "4"
    & skf21("1","3","5","1","1","1","4","1") = "4"
    & skf21("1","3","5","1","1","1","5","1") = "4"
    & skf21("1","3","5","1","1","1","6","1") = "5"
    & skf21("1","3","5","1","1","1","7","1") = "6"
    & skf21("1","3","5","1","1","2","1","1") = "4"
    & skf21("1","3","5","1","1","2","2","1") = "4"
    & skf21("1","3","5","1","1","2","3","1") = "4"
    & skf21("1","3","5","1","1","2","4","1") = "4"
    & skf21("1","3","5","1","1","2","5","1") = "4"
    & skf21("1","3","5","1","1","2","6","1") = "5"
    & skf21("1","3","5","1","1","2","7","1") = "6"
    & skf21("1","3","5","1","1","3","1","1") = "4"
    & skf21("1","3","5","1","1","3","2","1") = "4"
    & skf21("1","3","5","1","1","3","3","1") = "4"
    & skf21("1","3","5","1","1","3","4","1") = "4"
    & skf21("1","3","5","1","1","3","5","1") = "4"
    & skf21("1","3","5","1","1","3","6","1") = "5"
    & skf21("1","3","5","1","1","3","7","1") = "6"
    & skf21("1","3","5","1","1","4","1","1") = "4"
    & skf21("1","3","5","1","1","4","2","1") = "4"
    & skf21("1","3","5","1","1","4","3","1") = "4"
    & skf21("1","3","5","1","1","4","4","1") = "4"
    & skf21("1","3","5","1","1","4","5","1") = "4"
    & skf21("1","3","5","1","1","4","6","1") = "5"
    & skf21("1","3","5","1","1","4","7","1") = "6"
    & skf21("1","3","5","1","1","5","1","1") = "4"
    & skf21("1","3","5","1","1","5","2","1") = "4"
    & skf21("1","3","5","1","1","5","3","1") = "4"
    & skf21("1","3","5","1","1","5","4","1") = "4"
    & skf21("1","3","5","1","1","5","5","1") = "4"
    & skf21("1","3","5","1","1","5","6","1") = "5"
    & skf21("1","3","5","1","1","5","7","1") = "6"
    & skf21("1","3","5","1","1","6","1","1") = "5"
    & skf21("1","3","5","1","1","6","2","1") = "5"
    & skf21("1","3","5","1","1","6","3","1") = "5"
    & skf21("1","3","5","1","1","6","4","1") = "5"
    & skf21("1","3","5","1","1","6","5","1") = "5"
    & skf21("1","3","5","1","1","6","6","1") = "5"
    & skf21("1","3","5","1","1","6","7","1") = "6"
    & skf21("1","3","5","1","1","7","1","1") = "6"
    & skf21("1","3","5","1","1","7","2","1") = "6"
    & skf21("1","3","5","1","1","7","3","1") = "6"
    & skf21("1","3","5","1","1","7","4","1") = "6"
    & skf21("1","3","5","1","1","7","5","1") = "6"
    & skf21("1","3","5","1","1","7","6","1") = "6"
    & skf21("1","3","5","1","1","7","7","1") = "6"
    & skf21("1","3","5","1","2","1","1","1") = "4"
    & skf21("1","3","5","1","2","1","2","1") = "4"
    & skf21("1","3","5","1","2","1","3","1") = "4"
    & skf21("1","3","5","1","2","1","4","1") = "4"
    & skf21("1","3","5","1","2","1","5","1") = "4"
    & skf21("1","3","5","1","2","1","6","1") = "5"
    & skf21("1","3","5","1","2","1","7","1") = "6"
    & skf21("1","3","5","1","2","2","1","1") = "4"
    & skf21("1","3","5","1","2","2","2","1") = "4"
    & skf21("1","3","5","1","2","2","3","1") = "4"
    & skf21("1","3","5","1","2","2","4","1") = "4"
    & skf21("1","3","5","1","2","2","5","1") = "4"
    & skf21("1","3","5","1","2","2","6","1") = "5"
    & skf21("1","3","5","1","2","2","7","1") = "6"
    & skf21("1","3","5","1","2","3","1","1") = "4"
    & skf21("1","3","5","1","2","3","2","1") = "4"
    & skf21("1","3","5","1","2","3","3","1") = "4"
    & skf21("1","3","5","1","2","3","4","1") = "4"
    & skf21("1","3","5","1","2","3","5","1") = "4"
    & skf21("1","3","5","1","2","3","6","1") = "5"
    & skf21("1","3","5","1","2","3","7","1") = "6"
    & skf21("1","3","5","1","2","4","1","1") = "4"
    & skf21("1","3","5","1","2","4","2","1") = "4"
    & skf21("1","3","5","1","2","4","3","1") = "4"
    & skf21("1","3","5","1","2","4","4","1") = "4"
    & skf21("1","3","5","1","2","4","5","1") = "4"
    & skf21("1","3","5","1","2","4","6","1") = "5"
    & skf21("1","3","5","1","2","4","7","1") = "6"
    & skf21("1","3","5","1","2","5","1","1") = "4"
    & skf21("1","3","5","1","2","5","2","1") = "4"
    & skf21("1","3","5","1","2","5","3","1") = "4"
    & skf21("1","3","5","1","2","5","4","1") = "4"
    & skf21("1","3","5","1","2","5","5","1") = "4"
    & skf21("1","3","5","1","2","5","6","1") = "5"
    & skf21("1","3","5","1","2","5","7","1") = "6"
    & skf21("1","3","5","1","2","6","1","1") = "5"
    & skf21("1","3","5","1","2","6","2","1") = "5"
    & skf21("1","3","5","1","2","6","3","1") = "5"
    & skf21("1","3","5","1","2","6","4","1") = "5"
    & skf21("1","3","5","1","2","6","5","1") = "5"
    & skf21("1","3","5","1","2","6","6","1") = "5"
    & skf21("1","3","5","1","2","6","7","1") = "6"
    & skf21("1","3","5","1","2","7","1","1") = "6"
    & skf21("1","3","5","1","2","7","2","1") = "6"
    & skf21("1","3","5","1","2","7","3","1") = "6"
    & skf21("1","3","5","1","2","7","4","1") = "6"
    & skf21("1","3","5","1","2","7","5","1") = "6"
    & skf21("1","3","5","1","2","7","6","1") = "6"
    & skf21("1","3","5","1","2","7","7","1") = "6"
    & skf21("1","3","5","1","3","1","1","1") = "4"
    & skf21("1","3","5","1","3","1","2","1") = "4"
    & skf21("1","3","5","1","3","1","3","1") = "4"
    & skf21("1","3","5","1","3","1","4","1") = "4"
    & skf21("1","3","5","1","3","1","5","1") = "4"
    & skf21("1","3","5","1","3","1","6","1") = "5"
    & skf21("1","3","5","1","3","1","7","1") = "6"
    & skf21("1","3","5","1","3","2","1","1") = "4"
    & skf21("1","3","5","1","3","2","2","1") = "4"
    & skf21("1","3","5","1","3","2","3","1") = "4"
    & skf21("1","3","5","1","3","2","4","1") = "4"
    & skf21("1","3","5","1","3","2","5","1") = "4"
    & skf21("1","3","5","1","3","2","6","1") = "5"
    & skf21("1","3","5","1","3","2","7","1") = "6"
    & skf21("1","3","5","1","3","3","1","1") = "4"
    & skf21("1","3","5","1","3","3","2","1") = "4"
    & skf21("1","3","5","1","3","3","3","1") = "4"
    & skf21("1","3","5","1","3","3","4","1") = "4"
    & skf21("1","3","5","1","3","3","5","1") = "4"
    & skf21("1","3","5","1","3","3","6","1") = "5"
    & skf21("1","3","5","1","3","3","7","1") = "6"
    & skf21("1","3","5","1","3","4","1","1") = "4"
    & skf21("1","3","5","1","3","4","2","1") = "4"
    & skf21("1","3","5","1","3","4","3","1") = "4"
    & skf21("1","3","5","1","3","4","4","1") = "4"
    & skf21("1","3","5","1","3","4","5","1") = "4"
    & skf21("1","3","5","1","3","4","6","1") = "5"
    & skf21("1","3","5","1","3","4","7","1") = "6"
    & skf21("1","3","5","1","3","5","1","1") = "4"
    & skf21("1","3","5","1","3","5","2","1") = "4"
    & skf21("1","3","5","1","3","5","3","1") = "4"
    & skf21("1","3","5","1","3","5","4","1") = "4"
    & skf21("1","3","5","1","3","5","5","1") = "4"
    & skf21("1","3","5","1","3","5","6","1") = "5"
    & skf21("1","3","5","1","3","5","7","1") = "6"
    & skf21("1","3","5","1","3","6","1","1") = "5"
    & skf21("1","3","5","1","3","6","2","1") = "5"
    & skf21("1","3","5","1","3","6","3","1") = "5"
    & skf21("1","3","5","1","3","6","4","1") = "5"
    & skf21("1","3","5","1","3","6","5","1") = "5"
    & skf21("1","3","5","1","3","6","6","1") = "5"
    & skf21("1","3","5","1","3","6","7","1") = "6"
    & skf21("1","3","5","1","3","7","1","1") = "6"
    & skf21("1","3","5","1","3","7","2","1") = "6"
    & skf21("1","3","5","1","3","7","3","1") = "6"
    & skf21("1","3","5","1","3","7","4","1") = "6"
    & skf21("1","3","5","1","3","7","5","1") = "6"
    & skf21("1","3","5","1","3","7","6","1") = "6"
    & skf21("1","3","5","1","3","7","7","1") = "6"
    & skf21("1","3","5","1","4","1","1","1") = "4"
    & skf21("1","3","5","1","4","1","2","1") = "4"
    & skf21("1","3","5","1","4","1","3","1") = "4"
    & skf21("1","3","5","1","4","1","4","1") = "4"
    & skf21("1","3","5","1","4","1","5","1") = "4"
    & skf21("1","3","5","1","4","1","6","1") = "5"
    & skf21("1","3","5","1","4","1","7","1") = "6"
    & skf21("1","3","5","1","4","2","1","1") = "4"
    & skf21("1","3","5","1","4","2","2","1") = "4"
    & skf21("1","3","5","1","4","2","3","1") = "4"
    & skf21("1","3","5","1","4","2","4","1") = "4"
    & skf21("1","3","5","1","4","2","5","1") = "4"
    & skf21("1","3","5","1","4","2","6","1") = "5"
    & skf21("1","3","5","1","4","2","7","1") = "6"
    & skf21("1","3","5","1","4","3","1","1") = "4"
    & skf21("1","3","5","1","4","3","2","1") = "4"
    & skf21("1","3","5","1","4","3","3","1") = "4"
    & skf21("1","3","5","1","4","3","4","1") = "4"
    & skf21("1","3","5","1","4","3","5","1") = "4"
    & skf21("1","3","5","1","4","3","6","1") = "5"
    & skf21("1","3","5","1","4","3","7","1") = "6"
    & skf21("1","3","5","1","4","4","1","1") = "4"
    & skf21("1","3","5","1","4","4","2","1") = "4"
    & skf21("1","3","5","1","4","4","3","1") = "4"
    & skf21("1","3","5","1","4","4","4","1") = "4"
    & skf21("1","3","5","1","4","4","5","1") = "4"
    & skf21("1","3","5","1","4","4","6","1") = "5"
    & skf21("1","3","5","1","4","4","7","1") = "6"
    & skf21("1","3","5","1","4","5","1","1") = "4"
    & skf21("1","3","5","1","4","5","2","1") = "4"
    & skf21("1","3","5","1","4","5","3","1") = "4"
    & skf21("1","3","5","1","4","5","4","1") = "4"
    & skf21("1","3","5","1","4","5","5","1") = "4"
    & skf21("1","3","5","1","4","5","6","1") = "5"
    & skf21("1","3","5","1","4","5","7","1") = "6"
    & skf21("1","3","5","1","4","6","1","1") = "5"
    & skf21("1","3","5","1","4","6","2","1") = "5"
    & skf21("1","3","5","1","4","6","3","1") = "5"
    & skf21("1","3","5","1","4","6","4","1") = "5"
    & skf21("1","3","5","1","4","6","5","1") = "5"
    & skf21("1","3","5","1","4","6","6","1") = "5"
    & skf21("1","3","5","1","4","6","7","1") = "6"
    & skf21("1","3","5","1","4","7","1","1") = "6"
    & skf21("1","3","5","1","4","7","2","1") = "6"
    & skf21("1","3","5","1","4","7","3","1") = "6"
    & skf21("1","3","5","1","4","7","4","1") = "6"
    & skf21("1","3","5","1","4","7","5","1") = "6"
    & skf21("1","3","5","1","4","7","6","1") = "6"
    & skf21("1","3","5","1","4","7","7","1") = "6"
    & skf21("1","3","5","1","5","1","1","1") = "4"
    & skf21("1","3","5","1","5","1","2","1") = "4"
    & skf21("1","3","5","1","5","1","3","1") = "4"
    & skf21("1","3","5","1","5","1","4","1") = "4"
    & skf21("1","3","5","1","5","1","5","1") = "4"
    & skf21("1","3","5","1","5","1","6","1") = "5"
    & skf21("1","3","5","1","5","1","7","1") = "6"
    & skf21("1","3","5","1","5","2","1","1") = "4"
    & skf21("1","3","5","1","5","2","2","1") = "4"
    & skf21("1","3","5","1","5","2","3","1") = "4"
    & skf21("1","3","5","1","5","2","4","1") = "4"
    & skf21("1","3","5","1","5","2","5","1") = "4"
    & skf21("1","3","5","1","5","2","6","1") = "5"
    & skf21("1","3","5","1","5","2","7","1") = "6"
    & skf21("1","3","5","1","5","3","1","1") = "4"
    & skf21("1","3","5","1","5","3","2","1") = "4"
    & skf21("1","3","5","1","5","3","3","1") = "4"
    & skf21("1","3","5","1","5","3","4","1") = "4"
    & skf21("1","3","5","1","5","3","5","1") = "4"
    & skf21("1","3","5","1","5","3","6","1") = "5"
    & skf21("1","3","5","1","5","3","7","1") = "6"
    & skf21("1","3","5","1","5","4","1","1") = "4"
    & skf21("1","3","5","1","5","4","2","1") = "4"
    & skf21("1","3","5","1","5","4","3","1") = "4"
    & skf21("1","3","5","1","5","4","4","1") = "4"
    & skf21("1","3","5","1","5","4","5","1") = "4"
    & skf21("1","3","5","1","5","4","6","1") = "5"
    & skf21("1","3","5","1","5","4","7","1") = "6"
    & skf21("1","3","5","1","5","5","1","1") = "4"
    & skf21("1","3","5","1","5","5","2","1") = "4"
    & skf21("1","3","5","1","5","5","3","1") = "4"
    & skf21("1","3","5","1","5","5","4","1") = "4"
    & skf21("1","3","5","1","5","5","5","1") = "4"
    & skf21("1","3","5","1","5","5","6","1") = "5"
    & skf21("1","3","5","1","5","5","7","1") = "6"
    & skf21("1","3","5","1","5","6","1","1") = "5"
    & skf21("1","3","5","1","5","6","2","1") = "5"
    & skf21("1","3","5","1","5","6","3","1") = "5"
    & skf21("1","3","5","1","5","6","4","1") = "5"
    & skf21("1","3","5","1","5","6","5","1") = "5"
    & skf21("1","3","5","1","5","6","6","1") = "5"
    & skf21("1","3","5","1","5","6","7","1") = "6"
    & skf21("1","3","5","1","5","7","1","1") = "6"
    & skf21("1","3","5","1","5","7","2","1") = "6"
    & skf21("1","3","5","1","5","7","3","1") = "6"
    & skf21("1","3","5","1","5","7","4","1") = "6"
    & skf21("1","3","5","1","5","7","5","1") = "6"
    & skf21("1","3","5","1","5","7","6","1") = "6"
    & skf21("1","3","5","1","5","7","7","1") = "6"
    & skf21("1","3","5","1","6","1","1","1") = "5"
    & skf21("1","3","5","1","6","1","2","1") = "5"
    & skf21("1","3","5","1","6","1","3","1") = "5"
    & skf21("1","3","5","1","6","1","4","1") = "5"
    & skf21("1","3","5","1","6","1","5","1") = "5"
    & skf21("1","3","5","1","6","1","6","1") = "5"
    & skf21("1","3","5","1","6","1","7","1") = "6"
    & skf21("1","3","5","1","6","2","1","1") = "5"
    & skf21("1","3","5","1","6","2","2","1") = "5"
    & skf21("1","3","5","1","6","2","3","1") = "5"
    & skf21("1","3","5","1","6","2","4","1") = "5"
    & skf21("1","3","5","1","6","2","5","1") = "5"
    & skf21("1","3","5","1","6","2","6","1") = "5"
    & skf21("1","3","5","1","6","2","7","1") = "6"
    & skf21("1","3","5","1","6","3","1","1") = "5"
    & skf21("1","3","5","1","6","3","2","1") = "5"
    & skf21("1","3","5","1","6","3","3","1") = "5"
    & skf21("1","3","5","1","6","3","4","1") = "5"
    & skf21("1","3","5","1","6","3","5","1") = "5"
    & skf21("1","3","5","1","6","3","6","1") = "5"
    & skf21("1","3","5","1","6","3","7","1") = "6"
    & skf21("1","3","5","1","6","4","1","1") = "5"
    & skf21("1","3","5","1","6","4","2","1") = "5"
    & skf21("1","3","5","1","6","4","3","1") = "5"
    & skf21("1","3","5","1","6","4","4","1") = "5"
    & skf21("1","3","5","1","6","4","5","1") = "5"
    & skf21("1","3","5","1","6","4","6","1") = "5"
    & skf21("1","3","5","1","6","4","7","1") = "6"
    & skf21("1","3","5","1","6","5","1","1") = "5"
    & skf21("1","3","5","1","6","5","2","1") = "5"
    & skf21("1","3","5","1","6","5","3","1") = "5"
    & skf21("1","3","5","1","6","5","4","1") = "5"
    & skf21("1","3","5","1","6","5","5","1") = "5"
    & skf21("1","3","5","1","6","5","6","1") = "5"
    & skf21("1","3","5","1","6","5","7","1") = "6"
    & skf21("1","3","5","1","6","6","1","1") = "5"
    & skf21("1","3","5","1","6","6","2","1") = "5"
    & skf21("1","3","5","1","6","6","3","1") = "5"
    & skf21("1","3","5","1","6","6","4","1") = "5"
    & skf21("1","3","5","1","6","6","5","1") = "5"
    & skf21("1","3","5","1","6","6","6","1") = "5"
    & skf21("1","3","5","1","6","6","7","1") = "6"
    & skf21("1","3","5","1","6","7","1","1") = "6"
    & skf21("1","3","5","1","6","7","2","1") = "6"
    & skf21("1","3","5","1","6","7","3","1") = "6"
    & skf21("1","3","5","1","6","7","4","1") = "6"
    & skf21("1","3","5","1","6","7","5","1") = "6"
    & skf21("1","3","5","1","6","7","6","1") = "6"
    & skf21("1","3","5","1","6","7","7","1") = "6"
    & skf21("1","3","5","1","7","1","1","1") = "6"
    & skf21("1","3","5","1","7","1","2","1") = "6"
    & skf21("1","3","5","1","7","1","3","1") = "6"
    & skf21("1","3","5","1","7","1","4","1") = "6"
    & skf21("1","3","5","1","7","1","5","1") = "6"
    & skf21("1","3","5","1","7","1","6","1") = "6"
    & skf21("1","3","5","1","7","1","7","1") = "6"
    & skf21("1","3","5","1","7","2","1","1") = "6"
    & skf21("1","3","5","1","7","2","2","1") = "6"
    & skf21("1","3","5","1","7","2","3","1") = "6"
    & skf21("1","3","5","1","7","2","4","1") = "6"
    & skf21("1","3","5","1","7","2","5","1") = "6"
    & skf21("1","3","5","1","7","2","6","1") = "6"
    & skf21("1","3","5","1","7","2","7","1") = "6"
    & skf21("1","3","5","1","7","3","1","1") = "6"
    & skf21("1","3","5","1","7","3","2","1") = "6"
    & skf21("1","3","5","1","7","3","3","1") = "6"
    & skf21("1","3","5","1","7","3","4","1") = "6"
    & skf21("1","3","5","1","7","3","5","1") = "6"
    & skf21("1","3","5","1","7","3","6","1") = "6"
    & skf21("1","3","5","1","7","3","7","1") = "6"
    & skf21("1","3","5","1","7","4","1","1") = "6"
    & skf21("1","3","5","1","7","4","2","1") = "6"
    & skf21("1","3","5","1","7","4","3","1") = "6"
    & skf21("1","3","5","1","7","4","4","1") = "6"
    & skf21("1","3","5","1","7","4","5","1") = "6"
    & skf21("1","3","5","1","7","4","6","1") = "6"
    & skf21("1","3","5","1","7","4","7","1") = "6"
    & skf21("1","3","5","1","7","5","1","1") = "6"
    & skf21("1","3","5","1","7","5","2","1") = "6"
    & skf21("1","3","5","1","7","5","3","1") = "6"
    & skf21("1","3","5","1","7","5","4","1") = "6"
    & skf21("1","3","5","1","7","5","5","1") = "6"
    & skf21("1","3","5","1","7","5","6","1") = "6"
    & skf21("1","3","5","1","7","5","7","1") = "6"
    & skf21("1","3","5","1","7","6","1","1") = "6"
    & skf21("1","3","5","1","7","6","2","1") = "6"
    & skf21("1","3","5","1","7","6","3","1") = "6"
    & skf21("1","3","5","1","7","6","4","1") = "6"
    & skf21("1","3","5","1","7","6","5","1") = "6"
    & skf21("1","3","5","1","7","6","6","1") = "6"
    & skf21("1","3","5","1","7","6","7","1") = "6"
    & skf21("1","3","5","1","7","7","1","1") = "6"
    & skf21("1","3","5","1","7","7","2","1") = "6"
    & skf21("1","3","5","1","7","7","3","1") = "6"
    & skf21("1","3","5","1","7","7","4","1") = "6"
    & skf21("1","3","5","1","7","7","5","1") = "6"
    & skf21("1","3","5","1","7","7","6","1") = "6"
    & skf21("1","3","5","1","7","7","7","1") = "6"
    & skf21("1","3","5","2","1","1","1","1") = "4"
    & skf21("1","3","5","2","1","1","2","1") = "4"
    & skf21("1","3","5","2","1","1","3","1") = "4"
    & skf21("1","3","5","2","1","1","4","1") = "4"
    & skf21("1","3","5","2","1","1","5","1") = "4"
    & skf21("1","3","5","2","1","1","6","1") = "5"
    & skf21("1","3","5","2","1","1","7","1") = "6"
    & skf21("1","3","5","2","1","2","1","1") = "4"
    & skf21("1","3","5","2","1","2","2","1") = "4"
    & skf21("1","3","5","2","1","2","3","1") = "4"
    & skf21("1","3","5","2","1","2","4","1") = "4"
    & skf21("1","3","5","2","1","2","5","1") = "4"
    & skf21("1","3","5","2","1","2","6","1") = "5"
    & skf21("1","3","5","2","1","2","7","1") = "6"
    & skf21("1","3","5","2","1","3","1","1") = "4"
    & skf21("1","3","5","2","1","3","2","1") = "4"
    & skf21("1","3","5","2","1","3","3","1") = "4"
    & skf21("1","3","5","2","1","3","4","1") = "4"
    & skf21("1","3","5","2","1","3","5","1") = "4"
    & skf21("1","3","5","2","1","3","6","1") = "5"
    & skf21("1","3","5","2","1","3","7","1") = "6"
    & skf21("1","3","5","2","1","4","1","1") = "4"
    & skf21("1","3","5","2","1","4","2","1") = "4"
    & skf21("1","3","5","2","1","4","3","1") = "4"
    & skf21("1","3","5","2","1","4","4","1") = "4"
    & skf21("1","3","5","2","1","4","5","1") = "4"
    & skf21("1","3","5","2","1","4","6","1") = "5"
    & skf21("1","3","5","2","1","4","7","1") = "6"
    & skf21("1","3","5","2","1","5","1","1") = "4"
    & skf21("1","3","5","2","1","5","2","1") = "4"
    & skf21("1","3","5","2","1","5","3","1") = "4"
    & skf21("1","3","5","2","1","5","4","1") = "4"
    & skf21("1","3","5","2","1","5","5","1") = "4"
    & skf21("1","3","5","2","1","5","6","1") = "5"
    & skf21("1","3","5","2","1","5","7","1") = "6"
    & skf21("1","3","5","2","1","6","1","1") = "5"
    & skf21("1","3","5","2","1","6","2","1") = "5"
    & skf21("1","3","5","2","1","6","3","1") = "5"
    & skf21("1","3","5","2","1","6","4","1") = "5"
    & skf21("1","3","5","2","1","6","5","1") = "5"
    & skf21("1","3","5","2","1","6","6","1") = "5"
    & skf21("1","3","5","2","1","6","7","1") = "6"
    & skf21("1","3","5","2","1","7","1","1") = "6"
    & skf21("1","3","5","2","1","7","2","1") = "6"
    & skf21("1","3","5","2","1","7","3","1") = "6"
    & skf21("1","3","5","2","1","7","4","1") = "6"
    & skf21("1","3","5","2","1","7","5","1") = "6"
    & skf21("1","3","5","2","1","7","6","1") = "6"
    & skf21("1","3","5","2","1","7","7","1") = "6"
    & skf21("1","3","5","2","2","1","1","1") = "4"
    & skf21("1","3","5","2","2","1","2","1") = "4"
    & skf21("1","3","5","2","2","1","3","1") = "4"
    & skf21("1","3","5","2","2","1","4","1") = "4"
    & skf21("1","3","5","2","2","1","5","1") = "4"
    & skf21("1","3","5","2","2","1","6","1") = "5"
    & skf21("1","3","5","2","2","1","7","1") = "6"
    & skf21("1","3","5","2","2","2","1","1") = "4"
    & skf21("1","3","5","2","2","2","2","1") = "4"
    & skf21("1","3","5","2","2","2","3","1") = "4"
    & skf21("1","3","5","2","2","2","4","1") = "4"
    & skf21("1","3","5","2","2","2","5","1") = "4"
    & skf21("1","3","5","2","2","2","6","1") = "5"
    & skf21("1","3","5","2","2","2","7","1") = "6"
    & skf21("1","3","5","2","2","3","1","1") = "4"
    & skf21("1","3","5","2","2","3","2","1") = "4"
    & skf21("1","3","5","2","2","3","3","1") = "4"
    & skf21("1","3","5","2","2","3","4","1") = "4"
    & skf21("1","3","5","2","2","3","5","1") = "4"
    & skf21("1","3","5","2","2","3","6","1") = "5"
    & skf21("1","3","5","2","2","3","7","1") = "6"
    & skf21("1","3","5","2","2","4","1","1") = "4"
    & skf21("1","3","5","2","2","4","2","1") = "4"
    & skf21("1","3","5","2","2","4","3","1") = "4"
    & skf21("1","3","5","2","2","4","4","1") = "4"
    & skf21("1","3","5","2","2","4","5","1") = "4"
    & skf21("1","3","5","2","2","4","6","1") = "5"
    & skf21("1","3","5","2","2","4","7","1") = "6"
    & skf21("1","3","5","2","2","5","1","1") = "4"
    & skf21("1","3","5","2","2","5","2","1") = "4"
    & skf21("1","3","5","2","2","5","3","1") = "4"
    & skf21("1","3","5","2","2","5","4","1") = "4"
    & skf21("1","3","5","2","2","5","5","1") = "4"
    & skf21("1","3","5","2","2","5","6","1") = "5"
    & skf21("1","3","5","2","2","5","7","1") = "6"
    & skf21("1","3","5","2","2","6","1","1") = "5"
    & skf21("1","3","5","2","2","6","2","1") = "5"
    & skf21("1","3","5","2","2","6","3","1") = "5"
    & skf21("1","3","5","2","2","6","4","1") = "5"
    & skf21("1","3","5","2","2","6","5","1") = "5"
    & skf21("1","3","5","2","2","6","6","1") = "5"
    & skf21("1","3","5","2","2","6","7","1") = "6"
    & skf21("1","3","5","2","2","7","1","1") = "6"
    & skf21("1","3","5","2","2","7","2","1") = "6"
    & skf21("1","3","5","2","2","7","3","1") = "6"
    & skf21("1","3","5","2","2","7","4","1") = "6"
    & skf21("1","3","5","2","2","7","5","1") = "6"
    & skf21("1","3","5","2","2","7","6","1") = "6"
    & skf21("1","3","5","2","2","7","7","1") = "6"
    & skf21("1","3","5","2","3","1","1","1") = "4"
    & skf21("1","3","5","2","3","1","2","1") = "4"
    & skf21("1","3","5","2","3","1","3","1") = "4"
    & skf21("1","3","5","2","3","1","4","1") = "4"
    & skf21("1","3","5","2","3","1","5","1") = "4"
    & skf21("1","3","5","2","3","1","6","1") = "5"
    & skf21("1","3","5","2","3","1","7","1") = "6"
    & skf21("1","3","5","2","3","2","1","1") = "4"
    & skf21("1","3","5","2","3","2","2","1") = "4"
    & skf21("1","3","5","2","3","2","3","1") = "4"
    & skf21("1","3","5","2","3","2","4","1") = "4"
    & skf21("1","3","5","2","3","2","5","1") = "4"
    & skf21("1","3","5","2","3","2","6","1") = "5"
    & skf21("1","3","5","2","3","2","7","1") = "6"
    & skf21("1","3","5","2","3","3","1","1") = "4"
    & skf21("1","3","5","2","3","3","2","1") = "4"
    & skf21("1","3","5","2","3","3","3","1") = "4"
    & skf21("1","3","5","2","3","3","4","1") = "4"
    & skf21("1","3","5","2","3","3","5","1") = "4"
    & skf21("1","3","5","2","3","3","6","1") = "5"
    & skf21("1","3","5","2","3","3","7","1") = "6"
    & skf21("1","3","5","2","3","4","1","1") = "4"
    & skf21("1","3","5","2","3","4","2","1") = "4"
    & skf21("1","3","5","2","3","4","3","1") = "4"
    & skf21("1","3","5","2","3","4","4","1") = "4"
    & skf21("1","3","5","2","3","4","5","1") = "4"
    & skf21("1","3","5","2","3","4","6","1") = "5"
    & skf21("1","3","5","2","3","4","7","1") = "6"
    & skf21("1","3","5","2","3","5","1","1") = "4"
    & skf21("1","3","5","2","3","5","2","1") = "4"
    & skf21("1","3","5","2","3","5","3","1") = "4"
    & skf21("1","3","5","2","3","5","4","1") = "4"
    & skf21("1","3","5","2","3","5","5","1") = "4"
    & skf21("1","3","5","2","3","5","6","1") = "5"
    & skf21("1","3","5","2","3","5","7","1") = "6"
    & skf21("1","3","5","2","3","6","1","1") = "5"
    & skf21("1","3","5","2","3","6","2","1") = "5"
    & skf21("1","3","5","2","3","6","3","1") = "5"
    & skf21("1","3","5","2","3","6","4","1") = "5"
    & skf21("1","3","5","2","3","6","5","1") = "5"
    & skf21("1","3","5","2","3","6","6","1") = "5"
    & skf21("1","3","5","2","3","6","7","1") = "6"
    & skf21("1","3","5","2","3","7","1","1") = "6"
    & skf21("1","3","5","2","3","7","2","1") = "6"
    & skf21("1","3","5","2","3","7","3","1") = "6"
    & skf21("1","3","5","2","3","7","4","1") = "6"
    & skf21("1","3","5","2","3","7","5","1") = "6"
    & skf21("1","3","5","2","3","7","6","1") = "6"
    & skf21("1","3","5","2","3","7","7","1") = "6"
    & skf21("1","3","5","2","4","1","1","1") = "4"
    & skf21("1","3","5","2","4","1","2","1") = "4"
    & skf21("1","3","5","2","4","1","3","1") = "4"
    & skf21("1","3","5","2","4","1","4","1") = "4"
    & skf21("1","3","5","2","4","1","5","1") = "4"
    & skf21("1","3","5","2","4","1","6","1") = "5"
    & skf21("1","3","5","2","4","1","7","1") = "6"
    & skf21("1","3","5","2","4","2","1","1") = "4"
    & skf21("1","3","5","2","4","2","2","1") = "4"
    & skf21("1","3","5","2","4","2","3","1") = "4"
    & skf21("1","3","5","2","4","2","4","1") = "4"
    & skf21("1","3","5","2","4","2","5","1") = "4"
    & skf21("1","3","5","2","4","2","6","1") = "5"
    & skf21("1","3","5","2","4","2","7","1") = "6"
    & skf21("1","3","5","2","4","3","1","1") = "4"
    & skf21("1","3","5","2","4","3","2","1") = "4"
    & skf21("1","3","5","2","4","3","3","1") = "4"
    & skf21("1","3","5","2","4","3","4","1") = "4"
    & skf21("1","3","5","2","4","3","5","1") = "4"
    & skf21("1","3","5","2","4","3","6","1") = "5"
    & skf21("1","3","5","2","4","3","7","1") = "6"
    & skf21("1","3","5","2","4","4","1","1") = "4"
    & skf21("1","3","5","2","4","4","2","1") = "4"
    & skf21("1","3","5","2","4","4","3","1") = "4"
    & skf21("1","3","5","2","4","4","4","1") = "4"
    & skf21("1","3","5","2","4","4","5","1") = "4"
    & skf21("1","3","5","2","4","4","6","1") = "5"
    & skf21("1","3","5","2","4","4","7","1") = "6"
    & skf21("1","3","5","2","4","5","1","1") = "4"
    & skf21("1","3","5","2","4","5","2","1") = "4"
    & skf21("1","3","5","2","4","5","3","1") = "4"
    & skf21("1","3","5","2","4","5","4","1") = "4"
    & skf21("1","3","5","2","4","5","5","1") = "4"
    & skf21("1","3","5","2","4","5","6","1") = "5"
    & skf21("1","3","5","2","4","5","7","1") = "6"
    & skf21("1","3","5","2","4","6","1","1") = "5"
    & skf21("1","3","5","2","4","6","2","1") = "5"
    & skf21("1","3","5","2","4","6","3","1") = "5"
    & skf21("1","3","5","2","4","6","4","1") = "5"
    & skf21("1","3","5","2","4","6","5","1") = "5"
    & skf21("1","3","5","2","4","6","6","1") = "5"
    & skf21("1","3","5","2","4","6","7","1") = "6"
    & skf21("1","3","5","2","4","7","1","1") = "6"
    & skf21("1","3","5","2","4","7","2","1") = "6"
    & skf21("1","3","5","2","4","7","3","1") = "6"
    & skf21("1","3","5","2","4","7","4","1") = "6"
    & skf21("1","3","5","2","4","7","5","1") = "6"
    & skf21("1","3","5","2","4","7","6","1") = "6"
    & skf21("1","3","5","2","4","7","7","1") = "6"
    & skf21("1","3","5","2","5","1","1","1") = "4"
    & skf21("1","3","5","2","5","1","2","1") = "4"
    & skf21("1","3","5","2","5","1","3","1") = "4"
    & skf21("1","3","5","2","5","1","4","1") = "4"
    & skf21("1","3","5","2","5","1","5","1") = "4"
    & skf21("1","3","5","2","5","1","6","1") = "5"
    & skf21("1","3","5","2","5","1","7","1") = "6"
    & skf21("1","3","5","2","5","2","1","1") = "4"
    & skf21("1","3","5","2","5","2","2","1") = "4"
    & skf21("1","3","5","2","5","2","3","1") = "4"
    & skf21("1","3","5","2","5","2","4","1") = "4"
    & skf21("1","3","5","2","5","2","5","1") = "4"
    & skf21("1","3","5","2","5","2","6","1") = "5"
    & skf21("1","3","5","2","5","2","7","1") = "6"
    & skf21("1","3","5","2","5","3","1","1") = "4"
    & skf21("1","3","5","2","5","3","2","1") = "4"
    & skf21("1","3","5","2","5","3","3","1") = "4"
    & skf21("1","3","5","2","5","3","4","1") = "4"
    & skf21("1","3","5","2","5","3","5","1") = "4"
    & skf21("1","3","5","2","5","3","6","1") = "5"
    & skf21("1","3","5","2","5","3","7","1") = "6"
    & skf21("1","3","5","2","5","4","1","1") = "4"
    & skf21("1","3","5","2","5","4","2","1") = "4"
    & skf21("1","3","5","2","5","4","3","1") = "4"
    & skf21("1","3","5","2","5","4","4","1") = "4"
    & skf21("1","3","5","2","5","4","5","1") = "4"
    & skf21("1","3","5","2","5","4","6","1") = "5"
    & skf21("1","3","5","2","5","4","7","1") = "6"
    & skf21("1","3","5","2","5","5","1","1") = "4"
    & skf21("1","3","5","2","5","5","2","1") = "4"
    & skf21("1","3","5","2","5","5","3","1") = "4"
    & skf21("1","3","5","2","5","5","4","1") = "4"
    & skf21("1","3","5","2","5","5","5","1") = "4"
    & skf21("1","3","5","2","5","5","6","1") = "5"
    & skf21("1","3","5","2","5","5","7","1") = "6"
    & skf21("1","3","5","2","5","6","1","1") = "5"
    & skf21("1","3","5","2","5","6","2","1") = "5"
    & skf21("1","3","5","2","5","6","3","1") = "5"
    & skf21("1","3","5","2","5","6","4","1") = "5"
    & skf21("1","3","5","2","5","6","5","1") = "5"
    & skf21("1","3","5","2","5","6","6","1") = "5"
    & skf21("1","3","5","2","5","6","7","1") = "6"
    & skf21("1","3","5","2","5","7","1","1") = "6"
    & skf21("1","3","5","2","5","7","2","1") = "6"
    & skf21("1","3","5","2","5","7","3","1") = "6"
    & skf21("1","3","5","2","5","7","4","1") = "6"
    & skf21("1","3","5","2","5","7","5","1") = "6"
    & skf21("1","3","5","2","5","7","6","1") = "6"
    & skf21("1","3","5","2","5","7","7","1") = "6"
    & skf21("1","3","5","2","6","1","1","1") = "5"
    & skf21("1","3","5","2","6","1","2","1") = "5"
    & skf21("1","3","5","2","6","1","3","1") = "5"
    & skf21("1","3","5","2","6","1","4","1") = "5"
    & skf21("1","3","5","2","6","1","5","1") = "5"
    & skf21("1","3","5","2","6","1","6","1") = "5"
    & skf21("1","3","5","2","6","1","7","1") = "6"
    & skf21("1","3","5","2","6","2","1","1") = "5"
    & skf21("1","3","5","2","6","2","2","1") = "5"
    & skf21("1","3","5","2","6","2","3","1") = "5"
    & skf21("1","3","5","2","6","2","4","1") = "5"
    & skf21("1","3","5","2","6","2","5","1") = "5"
    & skf21("1","3","5","2","6","2","6","1") = "5"
    & skf21("1","3","5","2","6","2","7","1") = "6"
    & skf21("1","3","5","2","6","3","1","1") = "5"
    & skf21("1","3","5","2","6","3","2","1") = "5"
    & skf21("1","3","5","2","6","3","3","1") = "5"
    & skf21("1","3","5","2","6","3","4","1") = "5"
    & skf21("1","3","5","2","6","3","5","1") = "5"
    & skf21("1","3","5","2","6","3","6","1") = "5"
    & skf21("1","3","5","2","6","3","7","1") = "6"
    & skf21("1","3","5","2","6","4","1","1") = "5"
    & skf21("1","3","5","2","6","4","2","1") = "5"
    & skf21("1","3","5","2","6","4","3","1") = "5"
    & skf21("1","3","5","2","6","4","4","1") = "5"
    & skf21("1","3","5","2","6","4","5","1") = "5"
    & skf21("1","3","5","2","6","4","6","1") = "5"
    & skf21("1","3","5","2","6","4","7","1") = "6"
    & skf21("1","3","5","2","6","5","1","1") = "5"
    & skf21("1","3","5","2","6","5","2","1") = "5"
    & skf21("1","3","5","2","6","5","3","1") = "5"
    & skf21("1","3","5","2","6","5","4","1") = "5"
    & skf21("1","3","5","2","6","5","5","1") = "5"
    & skf21("1","3","5","2","6","5","6","1") = "5"
    & skf21("1","3","5","2","6","5","7","1") = "6"
    & skf21("1","3","5","2","6","6","1","1") = "5"
    & skf21("1","3","5","2","6","6","2","1") = "5"
    & skf21("1","3","5","2","6","6","3","1") = "5"
    & skf21("1","3","5","2","6","6","4","1") = "5"
    & skf21("1","3","5","2","6","6","5","1") = "5"
    & skf21("1","3","5","2","6","6","6","1") = "5"
    & skf21("1","3","5","2","6","6","7","1") = "6"
    & skf21("1","3","5","2","6","7","1","1") = "6"
    & skf21("1","3","5","2","6","7","2","1") = "6"
    & skf21("1","3","5","2","6","7","3","1") = "6"
    & skf21("1","3","5","2","6","7","4","1") = "6"
    & skf21("1","3","5","2","6","7","5","1") = "6"
    & skf21("1","3","5","2","6","7","6","1") = "6"
    & skf21("1","3","5","2","6","7","7","1") = "6"
    & skf21("1","3","5","2","7","1","1","1") = "6"
    & skf21("1","3","5","2","7","1","2","1") = "6"
    & skf21("1","3","5","2","7","1","3","1") = "6"
    & skf21("1","3","5","2","7","1","4","1") = "6"
    & skf21("1","3","5","2","7","1","5","1") = "6"
    & skf21("1","3","5","2","7","1","6","1") = "6"
    & skf21("1","3","5","2","7","1","7","1") = "6"
    & skf21("1","3","5","2","7","2","1","1") = "6"
    & skf21("1","3","5","2","7","2","2","1") = "6"
    & skf21("1","3","5","2","7","2","3","1") = "6"
    & skf21("1","3","5","2","7","2","4","1") = "6"
    & skf21("1","3","5","2","7","2","5","1") = "6"
    & skf21("1","3","5","2","7","2","6","1") = "6"
    & skf21("1","3","5","2","7","2","7","1") = "6"
    & skf21("1","3","5","2","7","3","1","1") = "6"
    & skf21("1","3","5","2","7","3","2","1") = "6"
    & skf21("1","3","5","2","7","3","3","1") = "6"
    & skf21("1","3","5","2","7","3","4","1") = "6"
    & skf21("1","3","5","2","7","3","5","1") = "6"
    & skf21("1","3","5","2","7","3","6","1") = "6"
    & skf21("1","3","5","2","7","3","7","1") = "6"
    & skf21("1","3","5","2","7","4","1","1") = "6"
    & skf21("1","3","5","2","7","4","2","1") = "6"
    & skf21("1","3","5","2","7","4","3","1") = "6"
    & skf21("1","3","5","2","7","4","4","1") = "6"
    & skf21("1","3","5","2","7","4","5","1") = "6"
    & skf21("1","3","5","2","7","4","6","1") = "6"
    & skf21("1","3","5","2","7","4","7","1") = "6"
    & skf21("1","3","5","2","7","5","1","1") = "6"
    & skf21("1","3","5","2","7","5","2","1") = "6"
    & skf21("1","3","5","2","7","5","3","1") = "6"
    & skf21("1","3","5","2","7","5","4","1") = "6"
    & skf21("1","3","5","2","7","5","5","1") = "6"
    & skf21("1","3","5","2","7","5","6","1") = "6"
    & skf21("1","3","5","2","7","5","7","1") = "6"
    & skf21("1","3","5","2","7","6","1","1") = "6"
    & skf21("1","3","5","2","7","6","2","1") = "6"
    & skf21("1","3","5","2","7","6","3","1") = "6"
    & skf21("1","3","5","2","7","6","4","1") = "6"
    & skf21("1","3","5","2","7","6","5","1") = "6"
    & skf21("1","3","5","2","7","6","6","1") = "6"
    & skf21("1","3","5","2","7","6","7","1") = "6"
    & skf21("1","3","5","2","7","7","1","1") = "6"
    & skf21("1","3","5","2","7","7","2","1") = "6"
    & skf21("1","3","5","2","7","7","3","1") = "6"
    & skf21("1","3","5","2","7","7","4","1") = "6"
    & skf21("1","3","5","2","7","7","5","1") = "6"
    & skf21("1","3","5","2","7","7","6","1") = "6"
    & skf21("1","3","5","2","7","7","7","1") = "6"
    & skf21("1","3","5","3","1","1","1","1") = "4"
    & skf21("1","3","5","3","1","1","2","1") = "4"
    & skf21("1","3","5","3","1","1","3","1") = "4"
    & skf21("1","3","5","3","1","1","4","1") = "4"
    & skf21("1","3","5","3","1","1","5","1") = "4"
    & skf21("1","3","5","3","1","1","6","1") = "5"
    & skf21("1","3","5","3","1","1","7","1") = "6"
    & skf21("1","3","5","3","1","2","1","1") = "4"
    & skf21("1","3","5","3","1","2","2","1") = "4"
    & skf21("1","3","5","3","1","2","3","1") = "4"
    & skf21("1","3","5","3","1","2","4","1") = "4"
    & skf21("1","3","5","3","1","2","5","1") = "4"
    & skf21("1","3","5","3","1","2","6","1") = "5"
    & skf21("1","3","5","3","1","2","7","1") = "6"
    & skf21("1","3","5","3","1","3","1","1") = "4"
    & skf21("1","3","5","3","1","3","2","1") = "4"
    & skf21("1","3","5","3","1","3","3","1") = "4"
    & skf21("1","3","5","3","1","3","4","1") = "4"
    & skf21("1","3","5","3","1","3","5","1") = "4"
    & skf21("1","3","5","3","1","3","6","1") = "5"
    & skf21("1","3","5","3","1","3","7","1") = "6"
    & skf21("1","3","5","3","1","4","1","1") = "4"
    & skf21("1","3","5","3","1","4","2","1") = "4"
    & skf21("1","3","5","3","1","4","3","1") = "4"
    & skf21("1","3","5","3","1","4","4","1") = "4"
    & skf21("1","3","5","3","1","4","5","1") = "4"
    & skf21("1","3","5","3","1","4","6","1") = "5"
    & skf21("1","3","5","3","1","4","7","1") = "6"
    & skf21("1","3","5","3","1","5","1","1") = "4"
    & skf21("1","3","5","3","1","5","2","1") = "4"
    & skf21("1","3","5","3","1","5","3","1") = "4"
    & skf21("1","3","5","3","1","5","4","1") = "4"
    & skf21("1","3","5","3","1","5","5","1") = "4"
    & skf21("1","3","5","3","1","5","6","1") = "5"
    & skf21("1","3","5","3","1","5","7","1") = "6"
    & skf21("1","3","5","3","1","6","1","1") = "5"
    & skf21("1","3","5","3","1","6","2","1") = "5"
    & skf21("1","3","5","3","1","6","3","1") = "5"
    & skf21("1","3","5","3","1","6","4","1") = "5"
    & skf21("1","3","5","3","1","6","5","1") = "5"
    & skf21("1","3","5","3","1","6","6","1") = "5"
    & skf21("1","3","5","3","1","6","7","1") = "6"
    & skf21("1","3","5","3","1","7","1","1") = "6"
    & skf21("1","3","5","3","1","7","2","1") = "6"
    & skf21("1","3","5","3","1","7","3","1") = "6"
    & skf21("1","3","5","3","1","7","4","1") = "6"
    & skf21("1","3","5","3","1","7","5","1") = "6"
    & skf21("1","3","5","3","1","7","6","1") = "6"
    & skf21("1","3","5","3","1","7","7","1") = "6"
    & skf21("1","3","5","3","2","1","1","1") = "4"
    & skf21("1","3","5","3","2","1","2","1") = "4"
    & skf21("1","3","5","3","2","1","3","1") = "4"
    & skf21("1","3","5","3","2","1","4","1") = "4"
    & skf21("1","3","5","3","2","1","5","1") = "4"
    & skf21("1","3","5","3","2","1","6","1") = "5"
    & skf21("1","3","5","3","2","1","7","1") = "6"
    & skf21("1","3","5","3","2","2","1","1") = "4"
    & skf21("1","3","5","3","2","2","2","1") = "4"
    & skf21("1","3","5","3","2","2","3","1") = "4"
    & skf21("1","3","5","3","2","2","4","1") = "4"
    & skf21("1","3","5","3","2","2","5","1") = "4"
    & skf21("1","3","5","3","2","2","6","1") = "5"
    & skf21("1","3","5","3","2","2","7","1") = "6"
    & skf21("1","3","5","3","2","3","1","1") = "4"
    & skf21("1","3","5","3","2","3","2","1") = "4"
    & skf21("1","3","5","3","2","3","3","1") = "4"
    & skf21("1","3","5","3","2","3","4","1") = "4"
    & skf21("1","3","5","3","2","3","5","1") = "4"
    & skf21("1","3","5","3","2","3","6","1") = "5"
    & skf21("1","3","5","3","2","3","7","1") = "6"
    & skf21("1","3","5","3","2","4","1","1") = "4"
    & skf21("1","3","5","3","2","4","2","1") = "4"
    & skf21("1","3","5","3","2","4","3","1") = "4"
    & skf21("1","3","5","3","2","4","4","1") = "4"
    & skf21("1","3","5","3","2","4","5","1") = "4"
    & skf21("1","3","5","3","2","4","6","1") = "5"
    & skf21("1","3","5","3","2","4","7","1") = "6"
    & skf21("1","3","5","3","2","5","1","1") = "4"
    & skf21("1","3","5","3","2","5","2","1") = "4"
    & skf21("1","3","5","3","2","5","3","1") = "4"
    & skf21("1","3","5","3","2","5","4","1") = "4"
    & skf21("1","3","5","3","2","5","5","1") = "4"
    & skf21("1","3","5","3","2","5","6","1") = "5"
    & skf21("1","3","5","3","2","5","7","1") = "6"
    & skf21("1","3","5","3","2","6","1","1") = "5"
    & skf21("1","3","5","3","2","6","2","1") = "5"
    & skf21("1","3","5","3","2","6","3","1") = "5"
    & skf21("1","3","5","3","2","6","4","1") = "5"
    & skf21("1","3","5","3","2","6","5","1") = "5"
    & skf21("1","3","5","3","2","6","6","1") = "5"
    & skf21("1","3","5","3","2","6","7","1") = "6"
    & skf21("1","3","5","3","2","7","1","1") = "6"
    & skf21("1","3","5","3","2","7","2","1") = "6"
    & skf21("1","3","5","3","2","7","3","1") = "6"
    & skf21("1","3","5","3","2","7","4","1") = "6"
    & skf21("1","3","5","3","2","7","5","1") = "6"
    & skf21("1","3","5","3","2","7","6","1") = "6"
    & skf21("1","3","5","3","2","7","7","1") = "6"
    & skf21("1","3","5","3","3","1","1","1") = "4"
    & skf21("1","3","5","3","3","1","2","1") = "4"
    & skf21("1","3","5","3","3","1","3","1") = "4"
    & skf21("1","3","5","3","3","1","4","1") = "4"
    & skf21("1","3","5","3","3","1","5","1") = "4"
    & skf21("1","3","5","3","3","1","6","1") = "5"
    & skf21("1","3","5","3","3","1","7","1") = "6"
    & skf21("1","3","5","3","3","2","1","1") = "4"
    & skf21("1","3","5","3","3","2","2","1") = "4"
    & skf21("1","3","5","3","3","2","3","1") = "4"
    & skf21("1","3","5","3","3","2","4","1") = "4"
    & skf21("1","3","5","3","3","2","5","1") = "4"
    & skf21("1","3","5","3","3","2","6","1") = "5"
    & skf21("1","3","5","3","3","2","7","1") = "6"
    & skf21("1","3","5","3","3","3","1","1") = "4"
    & skf21("1","3","5","3","3","3","2","1") = "4"
    & skf21("1","3","5","3","3","3","3","1") = "4"
    & skf21("1","3","5","3","3","3","4","1") = "4"
    & skf21("1","3","5","3","3","3","5","1") = "4"
    & skf21("1","3","5","3","3","3","6","1") = "5"
    & skf21("1","3","5","3","3","3","7","1") = "6"
    & skf21("1","3","5","3","3","4","1","1") = "4"
    & skf21("1","3","5","3","3","4","2","1") = "4"
    & skf21("1","3","5","3","3","4","3","1") = "4"
    & skf21("1","3","5","3","3","4","4","1") = "4"
    & skf21("1","3","5","3","3","4","5","1") = "4"
    & skf21("1","3","5","3","3","4","6","1") = "5"
    & skf21("1","3","5","3","3","4","7","1") = "6"
    & skf21("1","3","5","3","3","5","1","1") = "4"
    & skf21("1","3","5","3","3","5","2","1") = "4"
    & skf21("1","3","5","3","3","5","3","1") = "4"
    & skf21("1","3","5","3","3","5","4","1") = "4"
    & skf21("1","3","5","3","3","5","5","1") = "4"
    & skf21("1","3","5","3","3","5","6","1") = "5"
    & skf21("1","3","5","3","3","5","7","1") = "6"
    & skf21("1","3","5","3","3","6","1","1") = "5"
    & skf21("1","3","5","3","3","6","2","1") = "5"
    & skf21("1","3","5","3","3","6","3","1") = "5"
    & skf21("1","3","5","3","3","6","4","1") = "5"
    & skf21("1","3","5","3","3","6","5","1") = "5"
    & skf21("1","3","5","3","3","6","6","1") = "5"
    & skf21("1","3","5","3","3","6","7","1") = "6"
    & skf21("1","3","5","3","3","7","1","1") = "6"
    & skf21("1","3","5","3","3","7","2","1") = "6"
    & skf21("1","3","5","3","3","7","3","1") = "6"
    & skf21("1","3","5","3","3","7","4","1") = "6"
    & skf21("1","3","5","3","3","7","5","1") = "6"
    & skf21("1","3","5","3","3","7","6","1") = "6"
    & skf21("1","3","5","3","3","7","7","1") = "6"
    & skf21("1","3","5","3","4","1","1","1") = "4"
    & skf21("1","3","5","3","4","1","2","1") = "4"
    & skf21("1","3","5","3","4","1","3","1") = "4"
    & skf21("1","3","5","3","4","1","4","1") = "4"
    & skf21("1","3","5","3","4","1","5","1") = "4"
    & skf21("1","3","5","3","4","1","6","1") = "5"
    & skf21("1","3","5","3","4","1","7","1") = "6"
    & skf21("1","3","5","3","4","2","1","1") = "4"
    & skf21("1","3","5","3","4","2","2","1") = "4"
    & skf21("1","3","5","3","4","2","3","1") = "4"
    & skf21("1","3","5","3","4","2","4","1") = "4"
    & skf21("1","3","5","3","4","2","5","1") = "4"
    & skf21("1","3","5","3","4","2","6","1") = "5"
    & skf21("1","3","5","3","4","2","7","1") = "6"
    & skf21("1","3","5","3","4","3","1","1") = "4"
    & skf21("1","3","5","3","4","3","2","1") = "4"
    & skf21("1","3","5","3","4","3","3","1") = "4"
    & skf21("1","3","5","3","4","3","4","1") = "4"
    & skf21("1","3","5","3","4","3","5","1") = "4"
    & skf21("1","3","5","3","4","3","6","1") = "5"
    & skf21("1","3","5","3","4","3","7","1") = "6"
    & skf21("1","3","5","3","4","4","1","1") = "4"
    & skf21("1","3","5","3","4","4","2","1") = "4"
    & skf21("1","3","5","3","4","4","3","1") = "4"
    & skf21("1","3","5","3","4","4","4","1") = "4"
    & skf21("1","3","5","3","4","4","5","1") = "4"
    & skf21("1","3","5","3","4","4","6","1") = "5"
    & skf21("1","3","5","3","4","4","7","1") = "6"
    & skf21("1","3","5","3","4","5","1","1") = "4"
    & skf21("1","3","5","3","4","5","2","1") = "4"
    & skf21("1","3","5","3","4","5","3","1") = "4"
    & skf21("1","3","5","3","4","5","4","1") = "4"
    & skf21("1","3","5","3","4","5","5","1") = "4"
    & skf21("1","3","5","3","4","5","6","1") = "5"
    & skf21("1","3","5","3","4","5","7","1") = "6"
    & skf21("1","3","5","3","4","6","1","1") = "5"
    & skf21("1","3","5","3","4","6","2","1") = "5"
    & skf21("1","3","5","3","4","6","3","1") = "5"
    & skf21("1","3","5","3","4","6","4","1") = "5"
    & skf21("1","3","5","3","4","6","5","1") = "5"
    & skf21("1","3","5","3","4","6","6","1") = "5"
    & skf21("1","3","5","3","4","6","7","1") = "6"
    & skf21("1","3","5","3","4","7","1","1") = "6"
    & skf21("1","3","5","3","4","7","2","1") = "6"
    & skf21("1","3","5","3","4","7","3","1") = "6"
    & skf21("1","3","5","3","4","7","4","1") = "6"
    & skf21("1","3","5","3","4","7","5","1") = "6"
    & skf21("1","3","5","3","4","7","6","1") = "6"
    & skf21("1","3","5","3","4","7","7","1") = "6"
    & skf21("1","3","5","3","5","1","1","1") = "4"
    & skf21("1","3","5","3","5","1","2","1") = "4"
    & skf21("1","3","5","3","5","1","3","1") = "4"
    & skf21("1","3","5","3","5","1","4","1") = "4"
    & skf21("1","3","5","3","5","1","5","1") = "4"
    & skf21("1","3","5","3","5","1","6","1") = "5"
    & skf21("1","3","5","3","5","1","7","1") = "6"
    & skf21("1","3","5","3","5","2","1","1") = "4"
    & skf21("1","3","5","3","5","2","2","1") = "4"
    & skf21("1","3","5","3","5","2","3","1") = "4"
    & skf21("1","3","5","3","5","2","4","1") = "4"
    & skf21("1","3","5","3","5","2","5","1") = "4"
    & skf21("1","3","5","3","5","2","6","1") = "5"
    & skf21("1","3","5","3","5","2","7","1") = "6"
    & skf21("1","3","5","3","5","3","1","1") = "4"
    & skf21("1","3","5","3","5","3","2","1") = "4"
    & skf21("1","3","5","3","5","3","3","1") = "4"
    & skf21("1","3","5","3","5","3","4","1") = "4"
    & skf21("1","3","5","3","5","3","5","1") = "4"
    & skf21("1","3","5","3","5","3","6","1") = "5"
    & skf21("1","3","5","3","5","3","7","1") = "6"
    & skf21("1","3","5","3","5","4","1","1") = "4"
    & skf21("1","3","5","3","5","4","2","1") = "4"
    & skf21("1","3","5","3","5","4","3","1") = "4"
    & skf21("1","3","5","3","5","4","4","1") = "4"
    & skf21("1","3","5","3","5","4","5","1") = "4"
    & skf21("1","3","5","3","5","4","6","1") = "5"
    & skf21("1","3","5","3","5","4","7","1") = "6"
    & skf21("1","3","5","3","5","5","1","1") = "4"
    & skf21("1","3","5","3","5","5","2","1") = "4"
    & skf21("1","3","5","3","5","5","3","1") = "4"
    & skf21("1","3","5","3","5","5","4","1") = "4"
    & skf21("1","3","5","3","5","5","5","1") = "4"
    & skf21("1","3","5","3","5","5","6","1") = "5"
    & skf21("1","3","5","3","5","5","7","1") = "6"
    & skf21("1","3","5","3","5","6","1","1") = "5"
    & skf21("1","3","5","3","5","6","2","1") = "5"
    & skf21("1","3","5","3","5","6","3","1") = "5"
    & skf21("1","3","5","3","5","6","4","1") = "5"
    & skf21("1","3","5","3","5","6","5","1") = "5"
    & skf21("1","3","5","3","5","6","6","1") = "5"
    & skf21("1","3","5","3","5","6","7","1") = "6"
    & skf21("1","3","5","3","5","7","1","1") = "6"
    & skf21("1","3","5","3","5","7","2","1") = "6"
    & skf21("1","3","5","3","5","7","3","1") = "6"
    & skf21("1","3","5","3","5","7","4","1") = "6"
    & skf21("1","3","5","3","5","7","5","1") = "6"
    & skf21("1","3","5","3","5","7","6","1") = "6"
    & skf21("1","3","5","3","5","7","7","1") = "6"
    & skf21("1","3","5","3","6","1","1","1") = "5"
    & skf21("1","3","5","3","6","1","2","1") = "5"
    & skf21("1","3","5","3","6","1","3","1") = "5"
    & skf21("1","3","5","3","6","1","4","1") = "5"
    & skf21("1","3","5","3","6","1","5","1") = "5"
    & skf21("1","3","5","3","6","1","6","1") = "5"
    & skf21("1","3","5","3","6","1","7","1") = "6"
    & skf21("1","3","5","3","6","2","1","1") = "5"
    & skf21("1","3","5","3","6","2","2","1") = "5"
    & skf21("1","3","5","3","6","2","3","1") = "5"
    & skf21("1","3","5","3","6","2","4","1") = "5"
    & skf21("1","3","5","3","6","2","5","1") = "5"
    & skf21("1","3","5","3","6","2","6","1") = "5"
    & skf21("1","3","5","3","6","2","7","1") = "6"
    & skf21("1","3","5","3","6","3","1","1") = "5"
    & skf21("1","3","5","3","6","3","2","1") = "5"
    & skf21("1","3","5","3","6","3","3","1") = "5"
    & skf21("1","3","5","3","6","3","4","1") = "5"
    & skf21("1","3","5","3","6","3","5","1") = "5"
    & skf21("1","3","5","3","6","3","6","1") = "5"
    & skf21("1","3","5","3","6","3","7","1") = "6"
    & skf21("1","3","5","3","6","4","1","1") = "5"
    & skf21("1","3","5","3","6","4","2","1") = "5"
    & skf21("1","3","5","3","6","4","3","1") = "5"
    & skf21("1","3","5","3","6","4","4","1") = "5"
    & skf21("1","3","5","3","6","4","5","1") = "5"
    & skf21("1","3","5","3","6","4","6","1") = "5"
    & skf21("1","3","5","3","6","4","7","1") = "6"
    & skf21("1","3","5","3","6","5","1","1") = "5"
    & skf21("1","3","5","3","6","5","2","1") = "5"
    & skf21("1","3","5","3","6","5","3","1") = "5"
    & skf21("1","3","5","3","6","5","4","1") = "5"
    & skf21("1","3","5","3","6","5","5","1") = "5"
    & skf21("1","3","5","3","6","5","6","1") = "5"
    & skf21("1","3","5","3","6","5","7","1") = "6"
    & skf21("1","3","5","3","6","6","1","1") = "5"
    & skf21("1","3","5","3","6","6","2","1") = "5"
    & skf21("1","3","5","3","6","6","3","1") = "5"
    & skf21("1","3","5","3","6","6","4","1") = "5"
    & skf21("1","3","5","3","6","6","5","1") = "5"
    & skf21("1","3","5","3","6","6","6","1") = "5"
    & skf21("1","3","5","3","6","6","7","1") = "6"
    & skf21("1","3","5","3","6","7","1","1") = "6"
    & skf21("1","3","5","3","6","7","2","1") = "6"
    & skf21("1","3","5","3","6","7","3","1") = "6"
    & skf21("1","3","5","3","6","7","4","1") = "6"
    & skf21("1","3","5","3","6","7","5","1") = "6"
    & skf21("1","3","5","3","6","7","6","1") = "6"
    & skf21("1","3","5","3","6","7","7","1") = "6"
    & skf21("1","3","5","3","7","1","1","1") = "6"
    & skf21("1","3","5","3","7","1","2","1") = "6"
    & skf21("1","3","5","3","7","1","3","1") = "6"
    & skf21("1","3","5","3","7","1","4","1") = "6"
    & skf21("1","3","5","3","7","1","5","1") = "6"
    & skf21("1","3","5","3","7","1","6","1") = "6"
    & skf21("1","3","5","3","7","1","7","1") = "6"
    & skf21("1","3","5","3","7","2","1","1") = "6"
    & skf21("1","3","5","3","7","2","2","1") = "6"
    & skf21("1","3","5","3","7","2","3","1") = "6"
    & skf21("1","3","5","3","7","2","4","1") = "6"
    & skf21("1","3","5","3","7","2","5","1") = "6"
    & skf21("1","3","5","3","7","2","6","1") = "6"
    & skf21("1","3","5","3","7","2","7","1") = "6"
    & skf21("1","3","5","3","7","3","1","1") = "6"
    & skf21("1","3","5","3","7","3","2","1") = "6"
    & skf21("1","3","5","3","7","3","3","1") = "6"
    & skf21("1","3","5","3","7","3","4","1") = "6"
    & skf21("1","3","5","3","7","3","5","1") = "6"
    & skf21("1","3","5","3","7","3","6","1") = "6"
    & skf21("1","3","5","3","7","3","7","1") = "6"
    & skf21("1","3","5","3","7","4","1","1") = "6"
    & skf21("1","3","5","3","7","4","2","1") = "6"
    & skf21("1","3","5","3","7","4","3","1") = "6"
    & skf21("1","3","5","3","7","4","4","1") = "6"
    & skf21("1","3","5","3","7","4","5","1") = "6"
    & skf21("1","3","5","3","7","4","6","1") = "6"
    & skf21("1","3","5","3","7","4","7","1") = "6"
    & skf21("1","3","5","3","7","5","1","1") = "6"
    & skf21("1","3","5","3","7","5","2","1") = "6"
    & skf21("1","3","5","3","7","5","3","1") = "6"
    & skf21("1","3","5","3","7","5","4","1") = "6"
    & skf21("1","3","5","3","7","5","5","1") = "6"
    & skf21("1","3","5","3","7","5","6","1") = "6"
    & skf21("1","3","5","3","7","5","7","1") = "6"
    & skf21("1","3","5","3","7","6","1","1") = "6"
    & skf21("1","3","5","3","7","6","2","1") = "6"
    & skf21("1","3","5","3","7","6","3","1") = "6"
    & skf21("1","3","5","3","7","6","4","1") = "6"
    & skf21("1","3","5","3","7","6","5","1") = "6"
    & skf21("1","3","5","3","7","6","6","1") = "6"
    & skf21("1","3","5","3","7","6","7","1") = "6"
    & skf21("1","3","5","3","7","7","1","1") = "6"
    & skf21("1","3","5","3","7","7","2","1") = "6"
    & skf21("1","3","5","3","7","7","3","1") = "6"
    & skf21("1","3","5","3","7","7","4","1") = "6"
    & skf21("1","3","5","3","7","7","5","1") = "6"
    & skf21("1","3","5","3","7","7","6","1") = "6"
    & skf21("1","3","5","3","7","7","7","1") = "6"
    & skf21("1","3","5","4","1","1","1","1") = "4"
    & skf21("1","3","5","4","1","1","2","1") = "4"
    & skf21("1","3","5","4","1","1","3","1") = "4"
    & skf21("1","3","5","4","1","1","4","1") = "4"
    & skf21("1","3","5","4","1","1","5","1") = "4"
    & skf21("1","3","5","4","1","1","6","1") = "5"
    & skf21("1","3","5","4","1","1","7","1") = "6"
    & skf21("1","3","5","4","1","2","1","1") = "4"
    & skf21("1","3","5","4","1","2","2","1") = "4"
    & skf21("1","3","5","4","1","2","3","1") = "4"
    & skf21("1","3","5","4","1","2","4","1") = "4"
    & skf21("1","3","5","4","1","2","5","1") = "4"
    & skf21("1","3","5","4","1","2","6","1") = "5"
    & skf21("1","3","5","4","1","2","7","1") = "6"
    & skf21("1","3","5","4","1","3","1","1") = "4"
    & skf21("1","3","5","4","1","3","2","1") = "4"
    & skf21("1","3","5","4","1","3","3","1") = "4"
    & skf21("1","3","5","4","1","3","4","1") = "4"
    & skf21("1","3","5","4","1","3","5","1") = "4"
    & skf21("1","3","5","4","1","3","6","1") = "5"
    & skf21("1","3","5","4","1","3","7","1") = "6"
    & skf21("1","3","5","4","1","4","1","1") = "4"
    & skf21("1","3","5","4","1","4","2","1") = "4"
    & skf21("1","3","5","4","1","4","3","1") = "4"
    & skf21("1","3","5","4","1","4","4","1") = "4"
    & skf21("1","3","5","4","1","4","5","1") = "4"
    & skf21("1","3","5","4","1","4","6","1") = "5"
    & skf21("1","3","5","4","1","4","7","1") = "6"
    & skf21("1","3","5","4","1","5","1","1") = "4"
    & skf21("1","3","5","4","1","5","2","1") = "4"
    & skf21("1","3","5","4","1","5","3","1") = "4"
    & skf21("1","3","5","4","1","5","4","1") = "4"
    & skf21("1","3","5","4","1","5","5","1") = "4"
    & skf21("1","3","5","4","1","5","6","1") = "5"
    & skf21("1","3","5","4","1","5","7","1") = "6"
    & skf21("1","3","5","4","1","6","1","1") = "5"
    & skf21("1","3","5","4","1","6","2","1") = "5"
    & skf21("1","3","5","4","1","6","3","1") = "5"
    & skf21("1","3","5","4","1","6","4","1") = "5"
    & skf21("1","3","5","4","1","6","5","1") = "5"
    & skf21("1","3","5","4","1","6","6","1") = "5"
    & skf21("1","3","5","4","1","6","7","1") = "6"
    & skf21("1","3","5","4","1","7","1","1") = "6"
    & skf21("1","3","5","4","1","7","2","1") = "6"
    & skf21("1","3","5","4","1","7","3","1") = "6"
    & skf21("1","3","5","4","1","7","4","1") = "6"
    & skf21("1","3","5","4","1","7","5","1") = "6"
    & skf21("1","3","5","4","1","7","6","1") = "6"
    & skf21("1","3","5","4","1","7","7","1") = "6"
    & skf21("1","3","5","4","2","1","1","1") = "4"
    & skf21("1","3","5","4","2","1","2","1") = "4"
    & skf21("1","3","5","4","2","1","3","1") = "4"
    & skf21("1","3","5","4","2","1","4","1") = "4"
    & skf21("1","3","5","4","2","1","5","1") = "4"
    & skf21("1","3","5","4","2","1","6","1") = "5"
    & skf21("1","3","5","4","2","1","7","1") = "6"
    & skf21("1","3","5","4","2","2","1","1") = "4"
    & skf21("1","3","5","4","2","2","2","1") = "4"
    & skf21("1","3","5","4","2","2","3","1") = "4"
    & skf21("1","3","5","4","2","2","4","1") = "4"
    & skf21("1","3","5","4","2","2","5","1") = "4"
    & skf21("1","3","5","4","2","2","6","1") = "5"
    & skf21("1","3","5","4","2","2","7","1") = "6"
    & skf21("1","3","5","4","2","3","1","1") = "4"
    & skf21("1","3","5","4","2","3","2","1") = "4"
    & skf21("1","3","5","4","2","3","3","1") = "4"
    & skf21("1","3","5","4","2","3","4","1") = "4"
    & skf21("1","3","5","4","2","3","5","1") = "4"
    & skf21("1","3","5","4","2","3","6","1") = "5"
    & skf21("1","3","5","4","2","3","7","1") = "6"
    & skf21("1","3","5","4","2","4","1","1") = "4"
    & skf21("1","3","5","4","2","4","2","1") = "4"
    & skf21("1","3","5","4","2","4","3","1") = "4"
    & skf21("1","3","5","4","2","4","4","1") = "4"
    & skf21("1","3","5","4","2","4","5","1") = "4"
    & skf21("1","3","5","4","2","4","6","1") = "5"
    & skf21("1","3","5","4","2","4","7","1") = "6"
    & skf21("1","3","5","4","2","5","1","1") = "4"
    & skf21("1","3","5","4","2","5","2","1") = "4"
    & skf21("1","3","5","4","2","5","3","1") = "4"
    & skf21("1","3","5","4","2","5","4","1") = "4"
    & skf21("1","3","5","4","2","5","5","1") = "4"
    & skf21("1","3","5","4","2","5","6","1") = "5"
    & skf21("1","3","5","4","2","5","7","1") = "6"
    & skf21("1","3","5","4","2","6","1","1") = "5"
    & skf21("1","3","5","4","2","6","2","1") = "5"
    & skf21("1","3","5","4","2","6","3","1") = "5"
    & skf21("1","3","5","4","2","6","4","1") = "5"
    & skf21("1","3","5","4","2","6","5","1") = "5"
    & skf21("1","3","5","4","2","6","6","1") = "5"
    & skf21("1","3","5","4","2","6","7","1") = "6"
    & skf21("1","3","5","4","2","7","1","1") = "6"
    & skf21("1","3","5","4","2","7","2","1") = "6"
    & skf21("1","3","5","4","2","7","3","1") = "6"
    & skf21("1","3","5","4","2","7","4","1") = "6"
    & skf21("1","3","5","4","2","7","5","1") = "6"
    & skf21("1","3","5","4","2","7","6","1") = "6"
    & skf21("1","3","5","4","2","7","7","1") = "6"
    & skf21("1","3","5","4","3","1","1","1") = "4"
    & skf21("1","3","5","4","3","1","2","1") = "4"
    & skf21("1","3","5","4","3","1","3","1") = "4"
    & skf21("1","3","5","4","3","1","4","1") = "4"
    & skf21("1","3","5","4","3","1","5","1") = "4"
    & skf21("1","3","5","4","3","1","6","1") = "5"
    & skf21("1","3","5","4","3","1","7","1") = "6"
    & skf21("1","3","5","4","3","2","1","1") = "4"
    & skf21("1","3","5","4","3","2","2","1") = "4"
    & skf21("1","3","5","4","3","2","3","1") = "4"
    & skf21("1","3","5","4","3","2","4","1") = "4"
    & skf21("1","3","5","4","3","2","5","1") = "4"
    & skf21("1","3","5","4","3","2","6","1") = "5"
    & skf21("1","3","5","4","3","2","7","1") = "6"
    & skf21("1","3","5","4","3","3","1","1") = "4"
    & skf21("1","3","5","4","3","3","2","1") = "4"
    & skf21("1","3","5","4","3","3","3","1") = "4"
    & skf21("1","3","5","4","3","3","4","1") = "4"
    & skf21("1","3","5","4","3","3","5","1") = "4"
    & skf21("1","3","5","4","3","3","6","1") = "5"
    & skf21("1","3","5","4","3","3","7","1") = "6"
    & skf21("1","3","5","4","3","4","1","1") = "4"
    & skf21("1","3","5","4","3","4","2","1") = "4"
    & skf21("1","3","5","4","3","4","3","1") = "4"
    & skf21("1","3","5","4","3","4","4","1") = "4"
    & skf21("1","3","5","4","3","4","5","1") = "4"
    & skf21("1","3","5","4","3","4","6","1") = "5"
    & skf21("1","3","5","4","3","4","7","1") = "6"
    & skf21("1","3","5","4","3","5","1","1") = "4"
    & skf21("1","3","5","4","3","5","2","1") = "4"
    & skf21("1","3","5","4","3","5","3","1") = "4"
    & skf21("1","3","5","4","3","5","4","1") = "4"
    & skf21("1","3","5","4","3","5","5","1") = "4"
    & skf21("1","3","5","4","3","5","6","1") = "5"
    & skf21("1","3","5","4","3","5","7","1") = "6"
    & skf21("1","3","5","4","3","6","1","1") = "5"
    & skf21("1","3","5","4","3","6","2","1") = "5"
    & skf21("1","3","5","4","3","6","3","1") = "5"
    & skf21("1","3","5","4","3","6","4","1") = "5"
    & skf21("1","3","5","4","3","6","5","1") = "5"
    & skf21("1","3","5","4","3","6","6","1") = "5"
    & skf21("1","3","5","4","3","6","7","1") = "6"
    & skf21("1","3","5","4","3","7","1","1") = "6"
    & skf21("1","3","5","4","3","7","2","1") = "6"
    & skf21("1","3","5","4","3","7","3","1") = "6"
    & skf21("1","3","5","4","3","7","4","1") = "6"
    & skf21("1","3","5","4","3","7","5","1") = "6"
    & skf21("1","3","5","4","3","7","6","1") = "6"
    & skf21("1","3","5","4","3","7","7","1") = "6"
    & skf21("1","3","5","4","4","1","1","1") = "4"
    & skf21("1","3","5","4","4","1","2","1") = "4"
    & skf21("1","3","5","4","4","1","3","1") = "4"
    & skf21("1","3","5","4","4","1","4","1") = "4"
    & skf21("1","3","5","4","4","1","5","1") = "4"
    & skf21("1","3","5","4","4","1","6","1") = "5"
    & skf21("1","3","5","4","4","1","7","1") = "6"
    & skf21("1","3","5","4","4","2","1","1") = "4"
    & skf21("1","3","5","4","4","2","2","1") = "4"
    & skf21("1","3","5","4","4","2","3","1") = "4"
    & skf21("1","3","5","4","4","2","4","1") = "4"
    & skf21("1","3","5","4","4","2","5","1") = "4"
    & skf21("1","3","5","4","4","2","6","1") = "5"
    & skf21("1","3","5","4","4","2","7","1") = "6"
    & skf21("1","3","5","4","4","3","1","1") = "4"
    & skf21("1","3","5","4","4","3","2","1") = "4"
    & skf21("1","3","5","4","4","3","3","1") = "4"
    & skf21("1","3","5","4","4","3","4","1") = "4"
    & skf21("1","3","5","4","4","3","5","1") = "4"
    & skf21("1","3","5","4","4","3","6","1") = "5"
    & skf21("1","3","5","4","4","3","7","1") = "6"
    & skf21("1","3","5","4","4","4","1","1") = "4"
    & skf21("1","3","5","4","4","4","2","1") = "4"
    & skf21("1","3","5","4","4","4","3","1") = "4"
    & skf21("1","3","5","4","4","4","4","1") = "4"
    & skf21("1","3","5","4","4","4","5","1") = "4"
    & skf21("1","3","5","4","4","4","6","1") = "5"
    & skf21("1","3","5","4","4","4","7","1") = "6"
    & skf21("1","3","5","4","4","5","1","1") = "4"
    & skf21("1","3","5","4","4","5","2","1") = "4"
    & skf21("1","3","5","4","4","5","3","1") = "4"
    & skf21("1","3","5","4","4","5","4","1") = "4"
    & skf21("1","3","5","4","4","5","5","1") = "4"
    & skf21("1","3","5","4","4","5","6","1") = "5"
    & skf21("1","3","5","4","4","5","7","1") = "6"
    & skf21("1","3","5","4","4","6","1","1") = "5"
    & skf21("1","3","5","4","4","6","2","1") = "5"
    & skf21("1","3","5","4","4","6","3","1") = "5"
    & skf21("1","3","5","4","4","6","4","1") = "5"
    & skf21("1","3","5","4","4","6","5","1") = "5"
    & skf21("1","3","5","4","4","6","6","1") = "5"
    & skf21("1","3","5","4","4","6","7","1") = "6"
    & skf21("1","3","5","4","4","7","1","1") = "6"
    & skf21("1","3","5","4","4","7","2","1") = "6"
    & skf21("1","3","5","4","4","7","3","1") = "6"
    & skf21("1","3","5","4","4","7","4","1") = "6"
    & skf21("1","3","5","4","4","7","5","1") = "6"
    & skf21("1","3","5","4","4","7","6","1") = "6"
    & skf21("1","3","5","4","4","7","7","1") = "6"
    & skf21("1","3","5","4","5","1","1","1") = "4"
    & skf21("1","3","5","4","5","1","2","1") = "4"
    & skf21("1","3","5","4","5","1","3","1") = "4"
    & skf21("1","3","5","4","5","1","4","1") = "4"
    & skf21("1","3","5","4","5","1","5","1") = "4"
    & skf21("1","3","5","4","5","1","6","1") = "5"
    & skf21("1","3","5","4","5","1","7","1") = "6"
    & skf21("1","3","5","4","5","2","1","1") = "4"
    & skf21("1","3","5","4","5","2","2","1") = "4"
    & skf21("1","3","5","4","5","2","3","1") = "4"
    & skf21("1","3","5","4","5","2","4","1") = "4"
    & skf21("1","3","5","4","5","2","5","1") = "4"
    & skf21("1","3","5","4","5","2","6","1") = "5"
    & skf21("1","3","5","4","5","2","7","1") = "6"
    & skf21("1","3","5","4","5","3","1","1") = "4"
    & skf21("1","3","5","4","5","3","2","1") = "4"
    & skf21("1","3","5","4","5","3","3","1") = "4"
    & skf21("1","3","5","4","5","3","4","1") = "4"
    & skf21("1","3","5","4","5","3","5","1") = "4"
    & skf21("1","3","5","4","5","3","6","1") = "5"
    & skf21("1","3","5","4","5","3","7","1") = "6"
    & skf21("1","3","5","4","5","4","1","1") = "4"
    & skf21("1","3","5","4","5","4","2","1") = "4"
    & skf21("1","3","5","4","5","4","3","1") = "4"
    & skf21("1","3","5","4","5","4","4","1") = "4"
    & skf21("1","3","5","4","5","4","5","1") = "4"
    & skf21("1","3","5","4","5","4","6","1") = "5"
    & skf21("1","3","5","4","5","4","7","1") = "6"
    & skf21("1","3","5","4","5","5","1","1") = "4"
    & skf21("1","3","5","4","5","5","2","1") = "4"
    & skf21("1","3","5","4","5","5","3","1") = "4"
    & skf21("1","3","5","4","5","5","4","1") = "4"
    & skf21("1","3","5","4","5","5","5","1") = "4"
    & skf21("1","3","5","4","5","5","6","1") = "5"
    & skf21("1","3","5","4","5","5","7","1") = "6"
    & skf21("1","3","5","4","5","6","1","1") = "5"
    & skf21("1","3","5","4","5","6","2","1") = "5"
    & skf21("1","3","5","4","5","6","3","1") = "5"
    & skf21("1","3","5","4","5","6","4","1") = "5"
    & skf21("1","3","5","4","5","6","5","1") = "5"
    & skf21("1","3","5","4","5","6","6","1") = "5"
    & skf21("1","3","5","4","5","6","7","1") = "6"
    & skf21("1","3","5","4","5","7","1","1") = "6"
    & skf21("1","3","5","4","5","7","2","1") = "6"
    & skf21("1","3","5","4","5","7","3","1") = "6"
    & skf21("1","3","5","4","5","7","4","1") = "6"
    & skf21("1","3","5","4","5","7","5","1") = "6"
    & skf21("1","3","5","4","5","7","6","1") = "6"
    & skf21("1","3","5","4","5","7","7","1") = "6"
    & skf21("1","3","5","4","6","1","1","1") = "5"
    & skf21("1","3","5","4","6","1","2","1") = "5"
    & skf21("1","3","5","4","6","1","3","1") = "5"
    & skf21("1","3","5","4","6","1","4","1") = "5"
    & skf21("1","3","5","4","6","1","5","1") = "5"
    & skf21("1","3","5","4","6","1","6","1") = "5"
    & skf21("1","3","5","4","6","1","7","1") = "6"
    & skf21("1","3","5","4","6","2","1","1") = "5"
    & skf21("1","3","5","4","6","2","2","1") = "5"
    & skf21("1","3","5","4","6","2","3","1") = "5"
    & skf21("1","3","5","4","6","2","4","1") = "5"
    & skf21("1","3","5","4","6","2","5","1") = "5"
    & skf21("1","3","5","4","6","2","6","1") = "5"
    & skf21("1","3","5","4","6","2","7","1") = "6"
    & skf21("1","3","5","4","6","3","1","1") = "5"
    & skf21("1","3","5","4","6","3","2","1") = "5"
    & skf21("1","3","5","4","6","3","3","1") = "5"
    & skf21("1","3","5","4","6","3","4","1") = "5"
    & skf21("1","3","5","4","6","3","5","1") = "5"
    & skf21("1","3","5","4","6","3","6","1") = "5"
    & skf21("1","3","5","4","6","3","7","1") = "6"
    & skf21("1","3","5","4","6","4","1","1") = "5"
    & skf21("1","3","5","4","6","4","2","1") = "5"
    & skf21("1","3","5","4","6","4","3","1") = "5"
    & skf21("1","3","5","4","6","4","4","1") = "5"
    & skf21("1","3","5","4","6","4","5","1") = "5"
    & skf21("1","3","5","4","6","4","6","1") = "5"
    & skf21("1","3","5","4","6","4","7","1") = "6"
    & skf21("1","3","5","4","6","5","1","1") = "5"
    & skf21("1","3","5","4","6","5","2","1") = "5"
    & skf21("1","3","5","4","6","5","3","1") = "5"
    & skf21("1","3","5","4","6","5","4","1") = "5"
    & skf21("1","3","5","4","6","5","5","1") = "5"
    & skf21("1","3","5","4","6","5","6","1") = "5"
    & skf21("1","3","5","4","6","5","7","1") = "6"
    & skf21("1","3","5","4","6","6","1","1") = "5"
    & skf21("1","3","5","4","6","6","2","1") = "5"
    & skf21("1","3","5","4","6","6","3","1") = "5"
    & skf21("1","3","5","4","6","6","4","1") = "5"
    & skf21("1","3","5","4","6","6","5","1") = "5"
    & skf21("1","3","5","4","6","6","6","1") = "5"
    & skf21("1","3","5","4","6","6","7","1") = "6"
    & skf21("1","3","5","4","6","7","1","1") = "6"
    & skf21("1","3","5","4","6","7","2","1") = "6"
    & skf21("1","3","5","4","6","7","3","1") = "6"
    & skf21("1","3","5","4","6","7","4","1") = "6"
    & skf21("1","3","5","4","6","7","5","1") = "6"
    & skf21("1","3","5","4","6","7","6","1") = "6"
    & skf21("1","3","5","4","6","7","7","1") = "6"
    & skf21("1","3","5","4","7","1","1","1") = "6"
    & skf21("1","3","5","4","7","1","2","1") = "6"
    & skf21("1","3","5","4","7","1","3","1") = "6"
    & skf21("1","3","5","4","7","1","4","1") = "6"
    & skf21("1","3","5","4","7","1","5","1") = "6"
    & skf21("1","3","5","4","7","1","6","1") = "6"
    & skf21("1","3","5","4","7","1","7","1") = "6"
    & skf21("1","3","5","4","7","2","1","1") = "6"
    & skf21("1","3","5","4","7","2","2","1") = "6"
    & skf21("1","3","5","4","7","2","3","1") = "6"
    & skf21("1","3","5","4","7","2","4","1") = "6"
    & skf21("1","3","5","4","7","2","5","1") = "6"
    & skf21("1","3","5","4","7","2","6","1") = "6"
    & skf21("1","3","5","4","7","2","7","1") = "6"
    & skf21("1","3","5","4","7","3","1","1") = "6"
    & skf21("1","3","5","4","7","3","2","1") = "6"
    & skf21("1","3","5","4","7","3","3","1") = "6"
    & skf21("1","3","5","4","7","3","4","1") = "6"
    & skf21("1","3","5","4","7","3","5","1") = "6"
    & skf21("1","3","5","4","7","3","6","1") = "6"
    & skf21("1","3","5","4","7","3","7","1") = "6"
    & skf21("1","3","5","4","7","4","1","1") = "6"
    & skf21("1","3","5","4","7","4","2","1") = "6"
    & skf21("1","3","5","4","7","4","3","1") = "6"
    & skf21("1","3","5","4","7","4","4","1") = "6"
    & skf21("1","3","5","4","7","4","5","1") = "6"
    & skf21("1","3","5","4","7","4","6","1") = "6"
    & skf21("1","3","5","4","7","4","7","1") = "6"
    & skf21("1","3","5","4","7","5","1","1") = "6"
    & skf21("1","3","5","4","7","5","2","1") = "6"
    & skf21("1","3","5","4","7","5","3","1") = "6"
    & skf21("1","3","5","4","7","5","4","1") = "6"
    & skf21("1","3","5","4","7","5","5","1") = "6"
    & skf21("1","3","5","4","7","5","6","1") = "6"
    & skf21("1","3","5","4","7","5","7","1") = "6"
    & skf21("1","3","5","4","7","6","1","1") = "6"
    & skf21("1","3","5","4","7","6","2","1") = "6"
    & skf21("1","3","5","4","7","6","3","1") = "6"
    & skf21("1","3","5","4","7","6","4","1") = "6"
    & skf21("1","3","5","4","7","6","5","1") = "6"
    & skf21("1","3","5","4","7","6","6","1") = "6"
    & skf21("1","3","5","4","7","6","7","1") = "6"
    & skf21("1","3","5","4","7","7","1","1") = "6"
    & skf21("1","3","5","4","7","7","2","1") = "6"
    & skf21("1","3","5","4","7","7","3","1") = "6"
    & skf21("1","3","5","4","7","7","4","1") = "6"
    & skf21("1","3","5","4","7","7","5","1") = "6"
    & skf21("1","3","5","4","7","7","6","1") = "6"
    & skf21("1","3","5","4","7","7","7","1") = "6"
    & skf21("1","3","5","5","1","1","1","1") = "4"
    & skf21("1","3","5","5","1","1","2","1") = "4"
    & skf21("1","3","5","5","1","1","3","1") = "4"
    & skf21("1","3","5","5","1","1","4","1") = "4"
    & skf21("1","3","5","5","1","1","5","1") = "4"
    & skf21("1","3","5","5","1","1","6","1") = "5"
    & skf21("1","3","5","5","1","1","7","1") = "6"
    & skf21("1","3","5","5","1","2","1","1") = "4"
    & skf21("1","3","5","5","1","2","2","1") = "4"
    & skf21("1","3","5","5","1","2","3","1") = "4"
    & skf21("1","3","5","5","1","2","4","1") = "4"
    & skf21("1","3","5","5","1","2","5","1") = "4"
    & skf21("1","3","5","5","1","2","6","1") = "5"
    & skf21("1","3","5","5","1","2","7","1") = "6"
    & skf21("1","3","5","5","1","3","1","1") = "4"
    & skf21("1","3","5","5","1","3","2","1") = "4"
    & skf21("1","3","5","5","1","3","3","1") = "4"
    & skf21("1","3","5","5","1","3","4","1") = "4"
    & skf21("1","3","5","5","1","3","5","1") = "4"
    & skf21("1","3","5","5","1","3","6","1") = "5"
    & skf21("1","3","5","5","1","3","7","1") = "6"
    & skf21("1","3","5","5","1","4","1","1") = "4"
    & skf21("1","3","5","5","1","4","2","1") = "4"
    & skf21("1","3","5","5","1","4","3","1") = "4"
    & skf21("1","3","5","5","1","4","4","1") = "4"
    & skf21("1","3","5","5","1","4","5","1") = "4"
    & skf21("1","3","5","5","1","4","6","1") = "5"
    & skf21("1","3","5","5","1","4","7","1") = "6"
    & skf21("1","3","5","5","1","5","1","1") = "4"
    & skf21("1","3","5","5","1","5","2","1") = "4"
    & skf21("1","3","5","5","1","5","3","1") = "4"
    & skf21("1","3","5","5","1","5","4","1") = "4"
    & skf21("1","3","5","5","1","5","5","1") = "4"
    & skf21("1","3","5","5","1","5","6","1") = "5"
    & skf21("1","3","5","5","1","5","7","1") = "6"
    & skf21("1","3","5","5","1","6","1","1") = "5"
    & skf21("1","3","5","5","1","6","2","1") = "5"
    & skf21("1","3","5","5","1","6","3","1") = "5"
    & skf21("1","3","5","5","1","6","4","1") = "5"
    & skf21("1","3","5","5","1","6","5","1") = "5"
    & skf21("1","3","5","5","1","6","6","1") = "5"
    & skf21("1","3","5","5","1","6","7","1") = "6"
    & skf21("1","3","5","5","1","7","1","1") = "6"
    & skf21("1","3","5","5","1","7","2","1") = "6"
    & skf21("1","3","5","5","1","7","3","1") = "6"
    & skf21("1","3","5","5","1","7","4","1") = "6"
    & skf21("1","3","5","5","1","7","5","1") = "6"
    & skf21("1","3","5","5","1","7","6","1") = "6"
    & skf21("1","3","5","5","1","7","7","1") = "6"
    & skf21("1","3","5","5","2","1","1","1") = "4"
    & skf21("1","3","5","5","2","1","2","1") = "4"
    & skf21("1","3","5","5","2","1","3","1") = "4"
    & skf21("1","3","5","5","2","1","4","1") = "4"
    & skf21("1","3","5","5","2","1","5","1") = "4"
    & skf21("1","3","5","5","2","1","6","1") = "5"
    & skf21("1","3","5","5","2","1","7","1") = "6"
    & skf21("1","3","5","5","2","2","1","1") = "4"
    & skf21("1","3","5","5","2","2","2","1") = "4"
    & skf21("1","3","5","5","2","2","3","1") = "4"
    & skf21("1","3","5","5","2","2","4","1") = "4"
    & skf21("1","3","5","5","2","2","5","1") = "4"
    & skf21("1","3","5","5","2","2","6","1") = "5"
    & skf21("1","3","5","5","2","2","7","1") = "6"
    & skf21("1","3","5","5","2","3","1","1") = "4"
    & skf21("1","3","5","5","2","3","2","1") = "4"
    & skf21("1","3","5","5","2","3","3","1") = "4"
    & skf21("1","3","5","5","2","3","4","1") = "4"
    & skf21("1","3","5","5","2","3","5","1") = "4"
    & skf21("1","3","5","5","2","3","6","1") = "5"
    & skf21("1","3","5","5","2","3","7","1") = "6"
    & skf21("1","3","5","5","2","4","1","1") = "4"
    & skf21("1","3","5","5","2","4","2","1") = "4"
    & skf21("1","3","5","5","2","4","3","1") = "4"
    & skf21("1","3","5","5","2","4","4","1") = "4"
    & skf21("1","3","5","5","2","4","5","1") = "4"
    & skf21("1","3","5","5","2","4","6","1") = "5"
    & skf21("1","3","5","5","2","4","7","1") = "6"
    & skf21("1","3","5","5","2","5","1","1") = "4"
    & skf21("1","3","5","5","2","5","2","1") = "4"
    & skf21("1","3","5","5","2","5","3","1") = "4"
    & skf21("1","3","5","5","2","5","4","1") = "4"
    & skf21("1","3","5","5","2","5","5","1") = "4"
    & skf21("1","3","5","5","2","5","6","1") = "5"
    & skf21("1","3","5","5","2","5","7","1") = "6"
    & skf21("1","3","5","5","2","6","1","1") = "5"
    & skf21("1","3","5","5","2","6","2","1") = "5"
    & skf21("1","3","5","5","2","6","3","1") = "5"
    & skf21("1","3","5","5","2","6","4","1") = "5"
    & skf21("1","3","5","5","2","6","5","1") = "5"
    & skf21("1","3","5","5","2","6","6","1") = "5"
    & skf21("1","3","5","5","2","6","7","1") = "6"
    & skf21("1","3","5","5","2","7","1","1") = "6"
    & skf21("1","3","5","5","2","7","2","1") = "6"
    & skf21("1","3","5","5","2","7","3","1") = "6"
    & skf21("1","3","5","5","2","7","4","1") = "6"
    & skf21("1","3","5","5","2","7","5","1") = "6"
    & skf21("1","3","5","5","2","7","6","1") = "6"
    & skf21("1","3","5","5","2","7","7","1") = "6"
    & skf21("1","3","5","5","3","1","1","1") = "4"
    & skf21("1","3","5","5","3","1","2","1") = "4"
    & skf21("1","3","5","5","3","1","3","1") = "4"
    & skf21("1","3","5","5","3","1","4","1") = "4"
    & skf21("1","3","5","5","3","1","5","1") = "4"
    & skf21("1","3","5","5","3","1","6","1") = "5"
    & skf21("1","3","5","5","3","1","7","1") = "6"
    & skf21("1","3","5","5","3","2","1","1") = "4"
    & skf21("1","3","5","5","3","2","2","1") = "4"
    & skf21("1","3","5","5","3","2","3","1") = "4"
    & skf21("1","3","5","5","3","2","4","1") = "4"
    & skf21("1","3","5","5","3","2","5","1") = "4"
    & skf21("1","3","5","5","3","2","6","1") = "5"
    & skf21("1","3","5","5","3","2","7","1") = "6"
    & skf21("1","3","5","5","3","3","1","1") = "4"
    & skf21("1","3","5","5","3","3","2","1") = "4"
    & skf21("1","3","5","5","3","3","3","1") = "4"
    & skf21("1","3","5","5","3","3","4","1") = "4"
    & skf21("1","3","5","5","3","3","5","1") = "4"
    & skf21("1","3","5","5","3","3","6","1") = "5"
    & skf21("1","3","5","5","3","3","7","1") = "6"
    & skf21("1","3","5","5","3","4","1","1") = "4"
    & skf21("1","3","5","5","3","4","2","1") = "4"
    & skf21("1","3","5","5","3","4","3","1") = "4"
    & skf21("1","3","5","5","3","4","4","1") = "4"
    & skf21("1","3","5","5","3","4","5","1") = "4"
    & skf21("1","3","5","5","3","4","6","1") = "5"
    & skf21("1","3","5","5","3","4","7","1") = "6"
    & skf21("1","3","5","5","3","5","1","1") = "4"
    & skf21("1","3","5","5","3","5","2","1") = "4"
    & skf21("1","3","5","5","3","5","3","1") = "4"
    & skf21("1","3","5","5","3","5","4","1") = "4"
    & skf21("1","3","5","5","3","5","5","1") = "4"
    & skf21("1","3","5","5","3","5","6","1") = "5"
    & skf21("1","3","5","5","3","5","7","1") = "6"
    & skf21("1","3","5","5","3","6","1","1") = "5"
    & skf21("1","3","5","5","3","6","2","1") = "5"
    & skf21("1","3","5","5","3","6","3","1") = "5"
    & skf21("1","3","5","5","3","6","4","1") = "5"
    & skf21("1","3","5","5","3","6","5","1") = "5"
    & skf21("1","3","5","5","3","6","6","1") = "5"
    & skf21("1","3","5","5","3","6","7","1") = "6"
    & skf21("1","3","5","5","3","7","1","1") = "6"
    & skf21("1","3","5","5","3","7","2","1") = "6"
    & skf21("1","3","5","5","3","7","3","1") = "6"
    & skf21("1","3","5","5","3","7","4","1") = "6"
    & skf21("1","3","5","5","3","7","5","1") = "6"
    & skf21("1","3","5","5","3","7","6","1") = "6"
    & skf21("1","3","5","5","3","7","7","1") = "6"
    & skf21("1","3","5","5","4","1","1","1") = "4"
    & skf21("1","3","5","5","4","1","2","1") = "4"
    & skf21("1","3","5","5","4","1","3","1") = "4"
    & skf21("1","3","5","5","4","1","4","1") = "4"
    & skf21("1","3","5","5","4","1","5","1") = "4"
    & skf21("1","3","5","5","4","1","6","1") = "5"
    & skf21("1","3","5","5","4","1","7","1") = "6"
    & skf21("1","3","5","5","4","2","1","1") = "4"
    & skf21("1","3","5","5","4","2","2","1") = "4"
    & skf21("1","3","5","5","4","2","3","1") = "4"
    & skf21("1","3","5","5","4","2","4","1") = "4"
    & skf21("1","3","5","5","4","2","5","1") = "4"
    & skf21("1","3","5","5","4","2","6","1") = "5"
    & skf21("1","3","5","5","4","2","7","1") = "6"
    & skf21("1","3","5","5","4","3","1","1") = "4"
    & skf21("1","3","5","5","4","3","2","1") = "4"
    & skf21("1","3","5","5","4","3","3","1") = "4"
    & skf21("1","3","5","5","4","3","4","1") = "4"
    & skf21("1","3","5","5","4","3","5","1") = "4"
    & skf21("1","3","5","5","4","3","6","1") = "5"
    & skf21("1","3","5","5","4","3","7","1") = "6"
    & skf21("1","3","5","5","4","4","1","1") = "4"
    & skf21("1","3","5","5","4","4","2","1") = "4"
    & skf21("1","3","5","5","4","4","3","1") = "4"
    & skf21("1","3","5","5","4","4","4","1") = "4"
    & skf21("1","3","5","5","4","4","5","1") = "4"
    & skf21("1","3","5","5","4","4","6","1") = "5"
    & skf21("1","3","5","5","4","4","7","1") = "6"
    & skf21("1","3","5","5","4","5","1","1") = "4"
    & skf21("1","3","5","5","4","5","2","1") = "4"
    & skf21("1","3","5","5","4","5","3","1") = "4"
    & skf21("1","3","5","5","4","5","4","1") = "4"
    & skf21("1","3","5","5","4","5","5","1") = "4"
    & skf21("1","3","5","5","4","5","6","1") = "5"
    & skf21("1","3","5","5","4","5","7","1") = "6"
    & skf21("1","3","5","5","4","6","1","1") = "5"
    & skf21("1","3","5","5","4","6","2","1") = "5"
    & skf21("1","3","5","5","4","6","3","1") = "5"
    & skf21("1","3","5","5","4","6","4","1") = "5"
    & skf21("1","3","5","5","4","6","5","1") = "5"
    & skf21("1","3","5","5","4","6","6","1") = "5"
    & skf21("1","3","5","5","4","6","7","1") = "6"
    & skf21("1","3","5","5","4","7","1","1") = "6"
    & skf21("1","3","5","5","4","7","2","1") = "6"
    & skf21("1","3","5","5","4","7","3","1") = "6"
    & skf21("1","3","5","5","4","7","4","1") = "6"
    & skf21("1","3","5","5","4","7","5","1") = "6"
    & skf21("1","3","5","5","4","7","6","1") = "6"
    & skf21("1","3","5","5","4","7","7","1") = "6"
    & skf21("1","3","5","5","5","1","1","1") = "4"
    & skf21("1","3","5","5","5","1","2","1") = "4"
    & skf21("1","3","5","5","5","1","3","1") = "4"
    & skf21("1","3","5","5","5","1","4","1") = "4"
    & skf21("1","3","5","5","5","1","5","1") = "4"
    & skf21("1","3","5","5","5","1","6","1") = "5"
    & skf21("1","3","5","5","5","1","7","1") = "6"
    & skf21("1","3","5","5","5","2","1","1") = "4"
    & skf21("1","3","5","5","5","2","2","1") = "4"
    & skf21("1","3","5","5","5","2","3","1") = "4"
    & skf21("1","3","5","5","5","2","4","1") = "4"
    & skf21("1","3","5","5","5","2","5","1") = "4"
    & skf21("1","3","5","5","5","2","6","1") = "5"
    & skf21("1","3","5","5","5","2","7","1") = "6"
    & skf21("1","3","5","5","5","3","1","1") = "4"
    & skf21("1","3","5","5","5","3","2","1") = "4"
    & skf21("1","3","5","5","5","3","3","1") = "4"
    & skf21("1","3","5","5","5","3","4","1") = "4"
    & skf21("1","3","5","5","5","3","5","1") = "4"
    & skf21("1","3","5","5","5","3","6","1") = "5"
    & skf21("1","3","5","5","5","3","7","1") = "6"
    & skf21("1","3","5","5","5","4","1","1") = "4"
    & skf21("1","3","5","5","5","4","2","1") = "4"
    & skf21("1","3","5","5","5","4","3","1") = "4"
    & skf21("1","3","5","5","5","4","4","1") = "4"
    & skf21("1","3","5","5","5","4","5","1") = "4"
    & skf21("1","3","5","5","5","4","6","1") = "5"
    & skf21("1","3","5","5","5","4","7","1") = "6"
    & skf21("1","3","5","5","5","5","1","1") = "4"
    & skf21("1","3","5","5","5","5","2","1") = "4"
    & skf21("1","3","5","5","5","5","3","1") = "4"
    & skf21("1","3","5","5","5","5","4","1") = "4"
    & skf21("1","3","5","5","5","5","5","1") = "4"
    & skf21("1","3","5","5","5","5","6","1") = "5"
    & skf21("1","3","5","5","5","5","7","1") = "6"
    & skf21("1","3","5","5","5","6","1","1") = "5"
    & skf21("1","3","5","5","5","6","2","1") = "5"
    & skf21("1","3","5","5","5","6","3","1") = "5"
    & skf21("1","3","5","5","5","6","4","1") = "5"
    & skf21("1","3","5","5","5","6","5","1") = "5"
    & skf21("1","3","5","5","5","6","6","1") = "5"
    & skf21("1","3","5","5","5","6","7","1") = "6"
    & skf21("1","3","5","5","5","7","1","1") = "6"
    & skf21("1","3","5","5","5","7","2","1") = "6"
    & skf21("1","3","5","5","5","7","3","1") = "6"
    & skf21("1","3","5","5","5","7","4","1") = "6"
    & skf21("1","3","5","5","5","7","5","1") = "6"
    & skf21("1","3","5","5","5","7","6","1") = "6"
    & skf21("1","3","5","5","5","7","7","1") = "6"
    & skf21("1","3","5","5","6","1","1","1") = "5"
    & skf21("1","3","5","5","6","1","2","1") = "5"
    & skf21("1","3","5","5","6","1","3","1") = "5"
    & skf21("1","3","5","5","6","1","4","1") = "5"
    & skf21("1","3","5","5","6","1","5","1") = "5"
    & skf21("1","3","5","5","6","1","6","1") = "5"
    & skf21("1","3","5","5","6","1","7","1") = "6"
    & skf21("1","3","5","5","6","2","1","1") = "5"
    & skf21("1","3","5","5","6","2","2","1") = "5"
    & skf21("1","3","5","5","6","2","3","1") = "5"
    & skf21("1","3","5","5","6","2","4","1") = "5"
    & skf21("1","3","5","5","6","2","5","1") = "5"
    & skf21("1","3","5","5","6","2","6","1") = "5"
    & skf21("1","3","5","5","6","2","7","1") = "6"
    & skf21("1","3","5","5","6","3","1","1") = "5"
    & skf21("1","3","5","5","6","3","2","1") = "5"
    & skf21("1","3","5","5","6","3","3","1") = "5"
    & skf21("1","3","5","5","6","3","4","1") = "5"
    & skf21("1","3","5","5","6","3","5","1") = "5"
    & skf21("1","3","5","5","6","3","6","1") = "5"
    & skf21("1","3","5","5","6","3","7","1") = "6"
    & skf21("1","3","5","5","6","4","1","1") = "5"
    & skf21("1","3","5","5","6","4","2","1") = "5"
    & skf21("1","3","5","5","6","4","3","1") = "5"
    & skf21("1","3","5","5","6","4","4","1") = "5"
    & skf21("1","3","5","5","6","4","5","1") = "5"
    & skf21("1","3","5","5","6","4","6","1") = "5"
    & skf21("1","3","5","5","6","4","7","1") = "6"
    & skf21("1","3","5","5","6","5","1","1") = "5"
    & skf21("1","3","5","5","6","5","2","1") = "5"
    & skf21("1","3","5","5","6","5","3","1") = "5"
    & skf21("1","3","5","5","6","5","4","1") = "5"
    & skf21("1","3","5","5","6","5","5","1") = "5"
    & skf21("1","3","5","5","6","5","6","1") = "5"
    & skf21("1","3","5","5","6","5","7","1") = "6"
    & skf21("1","3","5","5","6","6","1","1") = "5"
    & skf21("1","3","5","5","6","6","2","1") = "5"
    & skf21("1","3","5","5","6","6","3","1") = "5"
    & skf21("1","3","5","5","6","6","4","1") = "5"
    & skf21("1","3","5","5","6","6","5","1") = "5"
    & skf21("1","3","5","5","6","6","6","1") = "5"
    & skf21("1","3","5","5","6","6","7","1") = "6"
    & skf21("1","3","5","5","6","7","1","1") = "6"
    & skf21("1","3","5","5","6","7","2","1") = "6"
    & skf21("1","3","5","5","6","7","3","1") = "6"
    & skf21("1","3","5","5","6","7","4","1") = "6"
    & skf21("1","3","5","5","6","7","5","1") = "6"
    & skf21("1","3","5","5","6","7","6","1") = "6"
    & skf21("1","3","5","5","6","7","7","1") = "6"
    & skf21("1","3","5","5","7","1","1","1") = "6"
    & skf21("1","3","5","5","7","1","2","1") = "6"
    & skf21("1","3","5","5","7","1","3","1") = "6"
    & skf21("1","3","5","5","7","1","4","1") = "6"
    & skf21("1","3","5","5","7","1","5","1") = "6"
    & skf21("1","3","5","5","7","1","6","1") = "6"
    & skf21("1","3","5","5","7","1","7","1") = "6"
    & skf21("1","3","5","5","7","2","1","1") = "6"
    & skf21("1","3","5","5","7","2","2","1") = "6"
    & skf21("1","3","5","5","7","2","3","1") = "6"
    & skf21("1","3","5","5","7","2","4","1") = "6"
    & skf21("1","3","5","5","7","2","5","1") = "6"
    & skf21("1","3","5","5","7","2","6","1") = "6"
    & skf21("1","3","5","5","7","2","7","1") = "6"
    & skf21("1","3","5","5","7","3","1","1") = "6"
    & skf21("1","3","5","5","7","3","2","1") = "6"
    & skf21("1","3","5","5","7","3","3","1") = "6"
    & skf21("1","3","5","5","7","3","4","1") = "6"
    & skf21("1","3","5","5","7","3","5","1") = "6"
    & skf21("1","3","5","5","7","3","6","1") = "6"
    & skf21("1","3","5","5","7","3","7","1") = "6"
    & skf21("1","3","5","5","7","4","1","1") = "6"
    & skf21("1","3","5","5","7","4","2","1") = "6"
    & skf21("1","3","5","5","7","4","3","1") = "6"
    & skf21("1","3","5","5","7","4","4","1") = "6"
    & skf21("1","3","5","5","7","4","5","1") = "6"
    & skf21("1","3","5","5","7","4","6","1") = "6"
    & skf21("1","3","5","5","7","4","7","1") = "6"
    & skf21("1","3","5","5","7","5","1","1") = "6"
    & skf21("1","3","5","5","7","5","2","1") = "6"
    & skf21("1","3","5","5","7","5","3","1") = "6"
    & skf21("1","3","5","5","7","5","4","1") = "6"
    & skf21("1","3","5","5","7","5","5","1") = "6"
    & skf21("1","3","5","5","7","5","6","1") = "6"
    & skf21("1","3","5","5","7","5","7","1") = "6"
    & skf21("1","3","5","5","7","6","1","1") = "6"
    & skf21("1","3","5","5","7","6","2","1") = "6"
    & skf21("1","3","5","5","7","6","3","1") = "6"
    & skf21("1","3","5","5","7","6","4","1") = "6"
    & skf21("1","3","5","5","7","6","5","1") = "6"
    & skf21("1","3","5","5","7","6","6","1") = "6"
    & skf21("1","3","5","5","7","6","7","1") = "6"
    & skf21("1","3","5","5","7","7","1","1") = "6"
    & skf21("1","3","5","5","7","7","2","1") = "6"
    & skf21("1","3","5","5","7","7","3","1") = "6"
    & skf21("1","3","5","5","7","7","4","1") = "6"
    & skf21("1","3","5","5","7","7","5","1") = "6"
    & skf21("1","3","5","5","7","7","6","1") = "6"
    & skf21("1","3","5","5","7","7","7","1") = "6"
    & skf21("1","3","5","6","1","1","1","1") = "5"
    & skf21("1","3","5","6","1","1","2","1") = "5"
    & skf21("1","3","5","6","1","1","3","1") = "5"
    & skf21("1","3","5","6","1","1","4","1") = "5"
    & skf21("1","3","5","6","1","1","5","1") = "5"
    & skf21("1","3","5","6","1","1","6","1") = "5"
    & skf21("1","3","5","6","1","1","7","1") = "6"
    & skf21("1","3","5","6","1","2","1","1") = "5"
    & skf21("1","3","5","6","1","2","2","1") = "5"
    & skf21("1","3","5","6","1","2","3","1") = "5"
    & skf21("1","3","5","6","1","2","4","1") = "5"
    & skf21("1","3","5","6","1","2","5","1") = "5"
    & skf21("1","3","5","6","1","2","6","1") = "5"
    & skf21("1","3","5","6","1","2","7","1") = "6"
    & skf21("1","3","5","6","1","3","1","1") = "5"
    & skf21("1","3","5","6","1","3","2","1") = "5"
    & skf21("1","3","5","6","1","3","3","1") = "5"
    & skf21("1","3","5","6","1","3","4","1") = "5"
    & skf21("1","3","5","6","1","3","5","1") = "5"
    & skf21("1","3","5","6","1","3","6","1") = "5"
    & skf21("1","3","5","6","1","3","7","1") = "6"
    & skf21("1","3","5","6","1","4","1","1") = "5"
    & skf21("1","3","5","6","1","4","2","1") = "5"
    & skf21("1","3","5","6","1","4","3","1") = "5"
    & skf21("1","3","5","6","1","4","4","1") = "5"
    & skf21("1","3","5","6","1","4","5","1") = "5"
    & skf21("1","3","5","6","1","4","6","1") = "5"
    & skf21("1","3","5","6","1","4","7","1") = "6"
    & skf21("1","3","5","6","1","5","1","1") = "5"
    & skf21("1","3","5","6","1","5","2","1") = "5"
    & skf21("1","3","5","6","1","5","3","1") = "5"
    & skf21("1","3","5","6","1","5","4","1") = "5"
    & skf21("1","3","5","6","1","5","5","1") = "5"
    & skf21("1","3","5","6","1","5","6","1") = "5"
    & skf21("1","3","5","6","1","5","7","1") = "6"
    & skf21("1","3","5","6","1","6","1","1") = "5"
    & skf21("1","3","5","6","1","6","2","1") = "5"
    & skf21("1","3","5","6","1","6","3","1") = "5"
    & skf21("1","3","5","6","1","6","4","1") = "5"
    & skf21("1","3","5","6","1","6","5","1") = "5"
    & skf21("1","3","5","6","1","6","6","1") = "5"
    & skf21("1","3","5","6","1","6","7","1") = "6"
    & skf21("1","3","5","6","1","7","1","1") = "6"
    & skf21("1","3","5","6","1","7","2","1") = "6"
    & skf21("1","3","5","6","1","7","3","1") = "6"
    & skf21("1","3","5","6","1","7","4","1") = "6"
    & skf21("1","3","5","6","1","7","5","1") = "6"
    & skf21("1","3","5","6","1","7","6","1") = "6"
    & skf21("1","3","5","6","1","7","7","1") = "6"
    & skf21("1","3","5","6","2","1","1","1") = "5"
    & skf21("1","3","5","6","2","1","2","1") = "5"
    & skf21("1","3","5","6","2","1","3","1") = "5"
    & skf21("1","3","5","6","2","1","4","1") = "5"
    & skf21("1","3","5","6","2","1","5","1") = "5"
    & skf21("1","3","5","6","2","1","6","1") = "5"
    & skf21("1","3","5","6","2","1","7","1") = "6"
    & skf21("1","3","5","6","2","2","1","1") = "5"
    & skf21("1","3","5","6","2","2","2","1") = "5"
    & skf21("1","3","5","6","2","2","3","1") = "5"
    & skf21("1","3","5","6","2","2","4","1") = "5"
    & skf21("1","3","5","6","2","2","5","1") = "5"
    & skf21("1","3","5","6","2","2","6","1") = "5"
    & skf21("1","3","5","6","2","2","7","1") = "6"
    & skf21("1","3","5","6","2","3","1","1") = "5"
    & skf21("1","3","5","6","2","3","2","1") = "5"
    & skf21("1","3","5","6","2","3","3","1") = "5"
    & skf21("1","3","5","6","2","3","4","1") = "5"
    & skf21("1","3","5","6","2","3","5","1") = "5"
    & skf21("1","3","5","6","2","3","6","1") = "5"
    & skf21("1","3","5","6","2","3","7","1") = "6"
    & skf21("1","3","5","6","2","4","1","1") = "5"
    & skf21("1","3","5","6","2","4","2","1") = "5"
    & skf21("1","3","5","6","2","4","3","1") = "5"
    & skf21("1","3","5","6","2","4","4","1") = "5"
    & skf21("1","3","5","6","2","4","5","1") = "5"
    & skf21("1","3","5","6","2","4","6","1") = "5"
    & skf21("1","3","5","6","2","4","7","1") = "6"
    & skf21("1","3","5","6","2","5","1","1") = "5"
    & skf21("1","3","5","6","2","5","2","1") = "5"
    & skf21("1","3","5","6","2","5","3","1") = "5"
    & skf21("1","3","5","6","2","5","4","1") = "5"
    & skf21("1","3","5","6","2","5","5","1") = "5"
    & skf21("1","3","5","6","2","5","6","1") = "5"
    & skf21("1","3","5","6","2","5","7","1") = "6"
    & skf21("1","3","5","6","2","6","1","1") = "5"
    & skf21("1","3","5","6","2","6","2","1") = "5"
    & skf21("1","3","5","6","2","6","3","1") = "5"
    & skf21("1","3","5","6","2","6","4","1") = "5"
    & skf21("1","3","5","6","2","6","5","1") = "5"
    & skf21("1","3","5","6","2","6","6","1") = "5"
    & skf21("1","3","5","6","2","6","7","1") = "6"
    & skf21("1","3","5","6","2","7","1","1") = "6"
    & skf21("1","3","5","6","2","7","2","1") = "6"
    & skf21("1","3","5","6","2","7","3","1") = "6"
    & skf21("1","3","5","6","2","7","4","1") = "6"
    & skf21("1","3","5","6","2","7","5","1") = "6"
    & skf21("1","3","5","6","2","7","6","1") = "6"
    & skf21("1","3","5","6","2","7","7","1") = "6"
    & skf21("1","3","5","6","3","1","1","1") = "5"
    & skf21("1","3","5","6","3","1","2","1") = "5"
    & skf21("1","3","5","6","3","1","3","1") = "5"
    & skf21("1","3","5","6","3","1","4","1") = "5"
    & skf21("1","3","5","6","3","1","5","1") = "5"
    & skf21("1","3","5","6","3","1","6","1") = "5"
    & skf21("1","3","5","6","3","1","7","1") = "6"
    & skf21("1","3","5","6","3","2","1","1") = "5"
    & skf21("1","3","5","6","3","2","2","1") = "5"
    & skf21("1","3","5","6","3","2","3","1") = "5"
    & skf21("1","3","5","6","3","2","4","1") = "5"
    & skf21("1","3","5","6","3","2","5","1") = "5"
    & skf21("1","3","5","6","3","2","6","1") = "5"
    & skf21("1","3","5","6","3","2","7","1") = "6"
    & skf21("1","3","5","6","3","3","1","1") = "5"
    & skf21("1","3","5","6","3","3","2","1") = "5"
    & skf21("1","3","5","6","3","3","3","1") = "5"
    & skf21("1","3","5","6","3","3","4","1") = "5"
    & skf21("1","3","5","6","3","3","5","1") = "5"
    & skf21("1","3","5","6","3","3","6","1") = "5"
    & skf21("1","3","5","6","3","3","7","1") = "6"
    & skf21("1","3","5","6","3","4","1","1") = "5"
    & skf21("1","3","5","6","3","4","2","1") = "5"
    & skf21("1","3","5","6","3","4","3","1") = "5"
    & skf21("1","3","5","6","3","4","4","1") = "5"
    & skf21("1","3","5","6","3","4","5","1") = "5"
    & skf21("1","3","5","6","3","4","6","1") = "5"
    & skf21("1","3","5","6","3","4","7","1") = "6"
    & skf21("1","3","5","6","3","5","1","1") = "5"
    & skf21("1","3","5","6","3","5","2","1") = "5"
    & skf21("1","3","5","6","3","5","3","1") = "5"
    & skf21("1","3","5","6","3","5","4","1") = "5"
    & skf21("1","3","5","6","3","5","5","1") = "5"
    & skf21("1","3","5","6","3","5","6","1") = "5"
    & skf21("1","3","5","6","3","5","7","1") = "6"
    & skf21("1","3","5","6","3","6","1","1") = "5"
    & skf21("1","3","5","6","3","6","2","1") = "5"
    & skf21("1","3","5","6","3","6","3","1") = "5"
    & skf21("1","3","5","6","3","6","4","1") = "5"
    & skf21("1","3","5","6","3","6","5","1") = "5"
    & skf21("1","3","5","6","3","6","6","1") = "5"
    & skf21("1","3","5","6","3","6","7","1") = "6"
    & skf21("1","3","5","6","3","7","1","1") = "6"
    & skf21("1","3","5","6","3","7","2","1") = "6"
    & skf21("1","3","5","6","3","7","3","1") = "6"
    & skf21("1","3","5","6","3","7","4","1") = "6"
    & skf21("1","3","5","6","3","7","5","1") = "6"
    & skf21("1","3","5","6","3","7","6","1") = "6"
    & skf21("1","3","5","6","3","7","7","1") = "6"
    & skf21("1","3","5","6","4","1","1","1") = "5"
    & skf21("1","3","5","6","4","1","2","1") = "5"
    & skf21("1","3","5","6","4","1","3","1") = "5"
    & skf21("1","3","5","6","4","1","4","1") = "5"
    & skf21("1","3","5","6","4","1","5","1") = "5"
    & skf21("1","3","5","6","4","1","6","1") = "5"
    & skf21("1","3","5","6","4","1","7","1") = "6"
    & skf21("1","3","5","6","4","2","1","1") = "5"
    & skf21("1","3","5","6","4","2","2","1") = "5"
    & skf21("1","3","5","6","4","2","3","1") = "5"
    & skf21("1","3","5","6","4","2","4","1") = "5"
    & skf21("1","3","5","6","4","2","5","1") = "5"
    & skf21("1","3","5","6","4","2","6","1") = "5"
    & skf21("1","3","5","6","4","2","7","1") = "6"
    & skf21("1","3","5","6","4","3","1","1") = "5"
    & skf21("1","3","5","6","4","3","2","1") = "5"
    & skf21("1","3","5","6","4","3","3","1") = "5"
    & skf21("1","3","5","6","4","3","4","1") = "5"
    & skf21("1","3","5","6","4","3","5","1") = "5"
    & skf21("1","3","5","6","4","3","6","1") = "5"
    & skf21("1","3","5","6","4","3","7","1") = "6"
    & skf21("1","3","5","6","4","4","1","1") = "5"
    & skf21("1","3","5","6","4","4","2","1") = "5"
    & skf21("1","3","5","6","4","4","3","1") = "5"
    & skf21("1","3","5","6","4","4","4","1") = "5"
    & skf21("1","3","5","6","4","4","5","1") = "5"
    & skf21("1","3","5","6","4","4","6","1") = "5"
    & skf21("1","3","5","6","4","4","7","1") = "6"
    & skf21("1","3","5","6","4","5","1","1") = "5"
    & skf21("1","3","5","6","4","5","2","1") = "5"
    & skf21("1","3","5","6","4","5","3","1") = "5"
    & skf21("1","3","5","6","4","5","4","1") = "5"
    & skf21("1","3","5","6","4","5","5","1") = "5"
    & skf21("1","3","5","6","4","5","6","1") = "5"
    & skf21("1","3","5","6","4","5","7","1") = "6"
    & skf21("1","3","5","6","4","6","1","1") = "5"
    & skf21("1","3","5","6","4","6","2","1") = "5"
    & skf21("1","3","5","6","4","6","3","1") = "5"
    & skf21("1","3","5","6","4","6","4","1") = "5"
    & skf21("1","3","5","6","4","6","5","1") = "5"
    & skf21("1","3","5","6","4","6","6","1") = "5"
    & skf21("1","3","5","6","4","6","7","1") = "6"
    & skf21("1","3","5","6","4","7","1","1") = "6"
    & skf21("1","3","5","6","4","7","2","1") = "6"
    & skf21("1","3","5","6","4","7","3","1") = "6"
    & skf21("1","3","5","6","4","7","4","1") = "6"
    & skf21("1","3","5","6","4","7","5","1") = "6"
    & skf21("1","3","5","6","4","7","6","1") = "6"
    & skf21("1","3","5","6","4","7","7","1") = "6"
    & skf21("1","3","5","6","5","1","1","1") = "5"
    & skf21("1","3","5","6","5","1","2","1") = "5"
    & skf21("1","3","5","6","5","1","3","1") = "5"
    & skf21("1","3","5","6","5","1","4","1") = "5"
    & skf21("1","3","5","6","5","1","5","1") = "5"
    & skf21("1","3","5","6","5","1","6","1") = "5"
    & skf21("1","3","5","6","5","1","7","1") = "6"
    & skf21("1","3","5","6","5","2","1","1") = "5"
    & skf21("1","3","5","6","5","2","2","1") = "5"
    & skf21("1","3","5","6","5","2","3","1") = "5"
    & skf21("1","3","5","6","5","2","4","1") = "5"
    & skf21("1","3","5","6","5","2","5","1") = "5"
    & skf21("1","3","5","6","5","2","6","1") = "5"
    & skf21("1","3","5","6","5","2","7","1") = "6"
    & skf21("1","3","5","6","5","3","1","1") = "5"
    & skf21("1","3","5","6","5","3","2","1") = "5"
    & skf21("1","3","5","6","5","3","3","1") = "5"
    & skf21("1","3","5","6","5","3","4","1") = "5"
    & skf21("1","3","5","6","5","3","5","1") = "5"
    & skf21("1","3","5","6","5","3","6","1") = "5"
    & skf21("1","3","5","6","5","3","7","1") = "6"
    & skf21("1","3","5","6","5","4","1","1") = "5"
    & skf21("1","3","5","6","5","4","2","1") = "5"
    & skf21("1","3","5","6","5","4","3","1") = "5"
    & skf21("1","3","5","6","5","4","4","1") = "5"
    & skf21("1","3","5","6","5","4","5","1") = "5"
    & skf21("1","3","5","6","5","4","6","1") = "5"
    & skf21("1","3","5","6","5","4","7","1") = "6"
    & skf21("1","3","5","6","5","5","1","1") = "5"
    & skf21("1","3","5","6","5","5","2","1") = "5"
    & skf21("1","3","5","6","5","5","3","1") = "5"
    & skf21("1","3","5","6","5","5","4","1") = "5"
    & skf21("1","3","5","6","5","5","5","1") = "5"
    & skf21("1","3","5","6","5","5","6","1") = "5"
    & skf21("1","3","5","6","5","5","7","1") = "6"
    & skf21("1","3","5","6","5","6","1","1") = "5"
    & skf21("1","3","5","6","5","6","2","1") = "5"
    & skf21("1","3","5","6","5","6","3","1") = "5"
    & skf21("1","3","5","6","5","6","4","1") = "5"
    & skf21("1","3","5","6","5","6","5","1") = "5"
    & skf21("1","3","5","6","5","6","6","1") = "5"
    & skf21("1","3","5","6","5","6","7","1") = "6"
    & skf21("1","3","5","6","5","7","1","1") = "6"
    & skf21("1","3","5","6","5","7","2","1") = "6"
    & skf21("1","3","5","6","5","7","3","1") = "6"
    & skf21("1","3","5","6","5","7","4","1") = "6"
    & skf21("1","3","5","6","5","7","5","1") = "6"
    & skf21("1","3","5","6","5","7","6","1") = "6"
    & skf21("1","3","5","6","5","7","7","1") = "6"
    & skf21("1","3","5","6","6","1","1","1") = "5"
    & skf21("1","3","5","6","6","1","2","1") = "5"
    & skf21("1","3","5","6","6","1","3","1") = "5"
    & skf21("1","3","5","6","6","1","4","1") = "5"
    & skf21("1","3","5","6","6","1","5","1") = "5"
    & skf21("1","3","5","6","6","1","6","1") = "5"
    & skf21("1","3","5","6","6","1","7","1") = "6"
    & skf21("1","3","5","6","6","2","1","1") = "5"
    & skf21("1","3","5","6","6","2","2","1") = "5"
    & skf21("1","3","5","6","6","2","3","1") = "5"
    & skf21("1","3","5","6","6","2","4","1") = "5"
    & skf21("1","3","5","6","6","2","5","1") = "5"
    & skf21("1","3","5","6","6","2","6","1") = "5"
    & skf21("1","3","5","6","6","2","7","1") = "6"
    & skf21("1","3","5","6","6","3","1","1") = "5"
    & skf21("1","3","5","6","6","3","2","1") = "5"
    & skf21("1","3","5","6","6","3","3","1") = "5"
    & skf21("1","3","5","6","6","3","4","1") = "5"
    & skf21("1","3","5","6","6","3","5","1") = "5"
    & skf21("1","3","5","6","6","3","6","1") = "5"
    & skf21("1","3","5","6","6","3","7","1") = "6"
    & skf21("1","3","5","6","6","4","1","1") = "5"
    & skf21("1","3","5","6","6","4","2","1") = "5"
    & skf21("1","3","5","6","6","4","3","1") = "5"
    & skf21("1","3","5","6","6","4","4","1") = "5"
    & skf21("1","3","5","6","6","4","5","1") = "5"
    & skf21("1","3","5","6","6","4","6","1") = "5"
    & skf21("1","3","5","6","6","4","7","1") = "6"
    & skf21("1","3","5","6","6","5","1","1") = "5"
    & skf21("1","3","5","6","6","5","2","1") = "5"
    & skf21("1","3","5","6","6","5","3","1") = "5"
    & skf21("1","3","5","6","6","5","4","1") = "5"
    & skf21("1","3","5","6","6","5","5","1") = "5"
    & skf21("1","3","5","6","6","5","6","1") = "5"
    & skf21("1","3","5","6","6","5","7","1") = "6"
    & skf21("1","3","5","6","6","6","1","1") = "5"
    & skf21("1","3","5","6","6","6","2","1") = "5"
    & skf21("1","3","5","6","6","6","3","1") = "5"
    & skf21("1","3","5","6","6","6","4","1") = "5"
    & skf21("1","3","5","6","6","6","5","1") = "5"
    & skf21("1","3","5","6","6","6","6","1") = "5"
    & skf21("1","3","5","6","6","6","7","1") = "6"
    & skf21("1","3","5","6","6","7","1","1") = "6"
    & skf21("1","3","5","6","6","7","2","1") = "6"
    & skf21("1","3","5","6","6","7","3","1") = "6"
    & skf21("1","3","5","6","6","7","4","1") = "6"
    & skf21("1","3","5","6","6","7","5","1") = "6"
    & skf21("1","3","5","6","6","7","6","1") = "6"
    & skf21("1","3","5","6","6","7","7","1") = "6"
    & skf21("1","3","5","6","7","1","1","1") = "6"
    & skf21("1","3","5","6","7","1","2","1") = "6"
    & skf21("1","3","5","6","7","1","3","1") = "6"
    & skf21("1","3","5","6","7","1","4","1") = "6"
    & skf21("1","3","5","6","7","1","5","1") = "6"
    & skf21("1","3","5","6","7","1","6","1") = "6"
    & skf21("1","3","5","6","7","1","7","1") = "6"
    & skf21("1","3","5","6","7","2","1","1") = "6"
    & skf21("1","3","5","6","7","2","2","1") = "6"
    & skf21("1","3","5","6","7","2","3","1") = "6"
    & skf21("1","3","5","6","7","2","4","1") = "6"
    & skf21("1","3","5","6","7","2","5","1") = "6"
    & skf21("1","3","5","6","7","2","6","1") = "6"
    & skf21("1","3","5","6","7","2","7","1") = "6"
    & skf21("1","3","5","6","7","3","1","1") = "6"
    & skf21("1","3","5","6","7","3","2","1") = "6"
    & skf21("1","3","5","6","7","3","3","1") = "6"
    & skf21("1","3","5","6","7","3","4","1") = "6"
    & skf21("1","3","5","6","7","3","5","1") = "6"
    & skf21("1","3","5","6","7","3","6","1") = "6"
    & skf21("1","3","5","6","7","3","7","1") = "6"
    & skf21("1","3","5","6","7","4","1","1") = "6"
    & skf21("1","3","5","6","7","4","2","1") = "6"
    & skf21("1","3","5","6","7","4","3","1") = "6"
    & skf21("1","3","5","6","7","4","4","1") = "6"
    & skf21("1","3","5","6","7","4","5","1") = "6"
    & skf21("1","3","5","6","7","4","6","1") = "6"
    & skf21("1","3","5","6","7","4","7","1") = "6"
    & skf21("1","3","5","6","7","5","1","1") = "6"
    & skf21("1","3","5","6","7","5","2","1") = "6"
    & skf21("1","3","5","6","7","5","3","1") = "6"
    & skf21("1","3","5","6","7","5","4","1") = "6"
    & skf21("1","3","5","6","7","5","5","1") = "6"
    & skf21("1","3","5","6","7","5","6","1") = "6"
    & skf21("1","3","5","6","7","5","7","1") = "6"
    & skf21("1","3","5","6","7","6","1","1") = "6"
    & skf21("1","3","5","6","7","6","2","1") = "6"
    & skf21("1","3","5","6","7","6","3","1") = "6"
    & skf21("1","3","5","6","7","6","4","1") = "6"
    & skf21("1","3","5","6","7","6","5","1") = "6"
    & skf21("1","3","5","6","7","6","6","1") = "6"
    & skf21("1","3","5","6","7","6","7","1") = "6"
    & skf21("1","3","5","6","7","7","1","1") = "6"
    & skf21("1","3","5","6","7","7","2","1") = "6"
    & skf21("1","3","5","6","7","7","3","1") = "6"
    & skf21("1","3","5","6","7","7","4","1") = "6"
    & skf21("1","3","5","6","7","7","5","1") = "6"
    & skf21("1","3","5","6","7","7","6","1") = "6"
    & skf21("1","3","5","6","7","7","7","1") = "6"
    & skf21("1","3","5","7","1","1","1","1") = "6"
    & skf21("1","3","5","7","1","1","2","1") = "6"
    & skf21("1","3","5","7","1","1","3","1") = "6"
    & skf21("1","3","5","7","1","1","4","1") = "6"
    & skf21("1","3","5","7","1","1","5","1") = "6"
    & skf21("1","3","5","7","1","1","6","1") = "6"
    & skf21("1","3","5","7","1","1","7","1") = "6"
    & skf21("1","3","5","7","1","2","1","1") = "6"
    & skf21("1","3","5","7","1","2","2","1") = "6"
    & skf21("1","3","5","7","1","2","3","1") = "6"
    & skf21("1","3","5","7","1","2","4","1") = "6"
    & skf21("1","3","5","7","1","2","5","1") = "6"
    & skf21("1","3","5","7","1","2","6","1") = "6"
    & skf21("1","3","5","7","1","2","7","1") = "6"
    & skf21("1","3","5","7","1","3","1","1") = "6"
    & skf21("1","3","5","7","1","3","2","1") = "6"
    & skf21("1","3","5","7","1","3","3","1") = "6"
    & skf21("1","3","5","7","1","3","4","1") = "6"
    & skf21("1","3","5","7","1","3","5","1") = "6"
    & skf21("1","3","5","7","1","3","6","1") = "6"
    & skf21("1","3","5","7","1","3","7","1") = "6"
    & skf21("1","3","5","7","1","4","1","1") = "6"
    & skf21("1","3","5","7","1","4","2","1") = "6"
    & skf21("1","3","5","7","1","4","3","1") = "6"
    & skf21("1","3","5","7","1","4","4","1") = "6"
    & skf21("1","3","5","7","1","4","5","1") = "6"
    & skf21("1","3","5","7","1","4","6","1") = "6"
    & skf21("1","3","5","7","1","4","7","1") = "6"
    & skf21("1","3","5","7","1","5","1","1") = "6"
    & skf21("1","3","5","7","1","5","2","1") = "6"
    & skf21("1","3","5","7","1","5","3","1") = "6"
    & skf21("1","3","5","7","1","5","4","1") = "6"
    & skf21("1","3","5","7","1","5","5","1") = "6"
    & skf21("1","3","5","7","1","5","6","1") = "6"
    & skf21("1","3","5","7","1","5","7","1") = "6"
    & skf21("1","3","5","7","1","6","1","1") = "6"
    & skf21("1","3","5","7","1","6","2","1") = "6"
    & skf21("1","3","5","7","1","6","3","1") = "6"
    & skf21("1","3","5","7","1","6","4","1") = "6"
    & skf21("1","3","5","7","1","6","5","1") = "6"
    & skf21("1","3","5","7","1","6","6","1") = "6"
    & skf21("1","3","5","7","1","6","7","1") = "6"
    & skf21("1","3","5","7","1","7","1","1") = "6"
    & skf21("1","3","5","7","1","7","2","1") = "6"
    & skf21("1","3","5","7","1","7","3","1") = "6"
    & skf21("1","3","5","7","1","7","4","1") = "6"
    & skf21("1","3","5","7","1","7","5","1") = "6"
    & skf21("1","3","5","7","1","7","6","1") = "6"
    & skf21("1","3","5","7","1","7","7","1") = "6"
    & skf21("1","3","5","7","2","1","1","1") = "6"
    & skf21("1","3","5","7","2","1","2","1") = "6"
    & skf21("1","3","5","7","2","1","3","1") = "6"
    & skf21("1","3","5","7","2","1","4","1") = "6"
    & skf21("1","3","5","7","2","1","5","1") = "6"
    & skf21("1","3","5","7","2","1","6","1") = "6"
    & skf21("1","3","5","7","2","1","7","1") = "6"
    & skf21("1","3","5","7","2","2","1","1") = "6"
    & skf21("1","3","5","7","2","2","2","1") = "6"
    & skf21("1","3","5","7","2","2","3","1") = "6"
    & skf21("1","3","5","7","2","2","4","1") = "6"
    & skf21("1","3","5","7","2","2","5","1") = "6"
    & skf21("1","3","5","7","2","2","6","1") = "6"
    & skf21("1","3","5","7","2","2","7","1") = "6"
    & skf21("1","3","5","7","2","3","1","1") = "6"
    & skf21("1","3","5","7","2","3","2","1") = "6"
    & skf21("1","3","5","7","2","3","3","1") = "6"
    & skf21("1","3","5","7","2","3","4","1") = "6"
    & skf21("1","3","5","7","2","3","5","1") = "6"
    & skf21("1","3","5","7","2","3","6","1") = "6"
    & skf21("1","3","5","7","2","3","7","1") = "6"
    & skf21("1","3","5","7","2","4","1","1") = "6"
    & skf21("1","3","5","7","2","4","2","1") = "6"
    & skf21("1","3","5","7","2","4","3","1") = "6"
    & skf21("1","3","5","7","2","4","4","1") = "6"
    & skf21("1","3","5","7","2","4","5","1") = "6"
    & skf21("1","3","5","7","2","4","6","1") = "6"
    & skf21("1","3","5","7","2","4","7","1") = "6"
    & skf21("1","3","5","7","2","5","1","1") = "6"
    & skf21("1","3","5","7","2","5","2","1") = "6"
    & skf21("1","3","5","7","2","5","3","1") = "6"
    & skf21("1","3","5","7","2","5","4","1") = "6"
    & skf21("1","3","5","7","2","5","5","1") = "6"
    & skf21("1","3","5","7","2","5","6","1") = "6"
    & skf21("1","3","5","7","2","5","7","1") = "6"
    & skf21("1","3","5","7","2","6","1","1") = "6"
    & skf21("1","3","5","7","2","6","2","1") = "6"
    & skf21("1","3","5","7","2","6","3","1") = "6"
    & skf21("1","3","5","7","2","6","4","1") = "6"
    & skf21("1","3","5","7","2","6","5","1") = "6"
    & skf21("1","3","5","7","2","6","6","1") = "6"
    & skf21("1","3","5","7","2","6","7","1") = "6"
    & skf21("1","3","5","7","2","7","1","1") = "6"
    & skf21("1","3","5","7","2","7","2","1") = "6"
    & skf21("1","3","5","7","2","7","3","1") = "6"
    & skf21("1","3","5","7","2","7","4","1") = "6"
    & skf21("1","3","5","7","2","7","5","1") = "6"
    & skf21("1","3","5","7","2","7","6","1") = "6"
    & skf21("1","3","5","7","2","7","7","1") = "6"
    & skf21("1","3","5","7","3","1","1","1") = "6"
    & skf21("1","3","5","7","3","1","2","1") = "6"
    & skf21("1","3","5","7","3","1","3","1") = "6"
    & skf21("1","3","5","7","3","1","4","1") = "6"
    & skf21("1","3","5","7","3","1","5","1") = "6"
    & skf21("1","3","5","7","3","1","6","1") = "6"
    & skf21("1","3","5","7","3","1","7","1") = "6"
    & skf21("1","3","5","7","3","2","1","1") = "6"
    & skf21("1","3","5","7","3","2","2","1") = "6"
    & skf21("1","3","5","7","3","2","3","1") = "6"
    & skf21("1","3","5","7","3","2","4","1") = "6"
    & skf21("1","3","5","7","3","2","5","1") = "6"
    & skf21("1","3","5","7","3","2","6","1") = "6"
    & skf21("1","3","5","7","3","2","7","1") = "6"
    & skf21("1","3","5","7","3","3","1","1") = "6"
    & skf21("1","3","5","7","3","3","2","1") = "6"
    & skf21("1","3","5","7","3","3","3","1") = "6"
    & skf21("1","3","5","7","3","3","4","1") = "6"
    & skf21("1","3","5","7","3","3","5","1") = "6"
    & skf21("1","3","5","7","3","3","6","1") = "6"
    & skf21("1","3","5","7","3","3","7","1") = "6"
    & skf21("1","3","5","7","3","4","1","1") = "6"
    & skf21("1","3","5","7","3","4","2","1") = "6"
    & skf21("1","3","5","7","3","4","3","1") = "6"
    & skf21("1","3","5","7","3","4","4","1") = "6"
    & skf21("1","3","5","7","3","4","5","1") = "6"
    & skf21("1","3","5","7","3","4","6","1") = "6"
    & skf21("1","3","5","7","3","4","7","1") = "6"
    & skf21("1","3","5","7","3","5","1","1") = "6"
    & skf21("1","3","5","7","3","5","2","1") = "6"
    & skf21("1","3","5","7","3","5","3","1") = "6"
    & skf21("1","3","5","7","3","5","4","1") = "6"
    & skf21("1","3","5","7","3","5","5","1") = "6"
    & skf21("1","3","5","7","3","5","6","1") = "6"
    & skf21("1","3","5","7","3","5","7","1") = "6"
    & skf21("1","3","5","7","3","6","1","1") = "6"
    & skf21("1","3","5","7","3","6","2","1") = "6"
    & skf21("1","3","5","7","3","6","3","1") = "6"
    & skf21("1","3","5","7","3","6","4","1") = "6"
    & skf21("1","3","5","7","3","6","5","1") = "6"
    & skf21("1","3","5","7","3","6","6","1") = "6"
    & skf21("1","3","5","7","3","6","7","1") = "6"
    & skf21("1","3","5","7","3","7","1","1") = "6"
    & skf21("1","3","5","7","3","7","2","1") = "6"
    & skf21("1","3","5","7","3","7","3","1") = "6"
    & skf21("1","3","5","7","3","7","4","1") = "6"
    & skf21("1","3","5","7","3","7","5","1") = "6"
    & skf21("1","3","5","7","3","7","6","1") = "6"
    & skf21("1","3","5","7","3","7","7","1") = "6"
    & skf21("1","3","5","7","4","1","1","1") = "6"
    & skf21("1","3","5","7","4","1","2","1") = "6"
    & skf21("1","3","5","7","4","1","3","1") = "6"
    & skf21("1","3","5","7","4","1","4","1") = "6"
    & skf21("1","3","5","7","4","1","5","1") = "6"
    & skf21("1","3","5","7","4","1","6","1") = "6"
    & skf21("1","3","5","7","4","1","7","1") = "6"
    & skf21("1","3","5","7","4","2","1","1") = "6"
    & skf21("1","3","5","7","4","2","2","1") = "6"
    & skf21("1","3","5","7","4","2","3","1") = "6"
    & skf21("1","3","5","7","4","2","4","1") = "6"
    & skf21("1","3","5","7","4","2","5","1") = "6"
    & skf21("1","3","5","7","4","2","6","1") = "6"
    & skf21("1","3","5","7","4","2","7","1") = "6"
    & skf21("1","3","5","7","4","3","1","1") = "6"
    & skf21("1","3","5","7","4","3","2","1") = "6"
    & skf21("1","3","5","7","4","3","3","1") = "6"
    & skf21("1","3","5","7","4","3","4","1") = "6"
    & skf21("1","3","5","7","4","3","5","1") = "6"
    & skf21("1","3","5","7","4","3","6","1") = "6"
    & skf21("1","3","5","7","4","3","7","1") = "6"
    & skf21("1","3","5","7","4","4","1","1") = "6"
    & skf21("1","3","5","7","4","4","2","1") = "6"
    & skf21("1","3","5","7","4","4","3","1") = "6"
    & skf21("1","3","5","7","4","4","4","1") = "6"
    & skf21("1","3","5","7","4","4","5","1") = "6"
    & skf21("1","3","5","7","4","4","6","1") = "6"
    & skf21("1","3","5","7","4","4","7","1") = "6"
    & skf21("1","3","5","7","4","5","1","1") = "6"
    & skf21("1","3","5","7","4","5","2","1") = "6"
    & skf21("1","3","5","7","4","5","3","1") = "6"
    & skf21("1","3","5","7","4","5","4","1") = "6"
    & skf21("1","3","5","7","4","5","5","1") = "6"
    & skf21("1","3","5","7","4","5","6","1") = "6"
    & skf21("1","3","5","7","4","5","7","1") = "6"
    & skf21("1","3","5","7","4","6","1","1") = "6"
    & skf21("1","3","5","7","4","6","2","1") = "6"
    & skf21("1","3","5","7","4","6","3","1") = "6"
    & skf21("1","3","5","7","4","6","4","1") = "6"
    & skf21("1","3","5","7","4","6","5","1") = "6"
    & skf21("1","3","5","7","4","6","6","1") = "6"
    & skf21("1","3","5","7","4","6","7","1") = "6"
    & skf21("1","3","5","7","4","7","1","1") = "6"
    & skf21("1","3","5","7","4","7","2","1") = "6"
    & skf21("1","3","5","7","4","7","3","1") = "6"
    & skf21("1","3","5","7","4","7","4","1") = "6"
    & skf21("1","3","5","7","4","7","5","1") = "6"
    & skf21("1","3","5","7","4","7","6","1") = "6"
    & skf21("1","3","5","7","4","7","7","1") = "6"
    & skf21("1","3","5","7","5","1","1","1") = "6"
    & skf21("1","3","5","7","5","1","2","1") = "6"
    & skf21("1","3","5","7","5","1","3","1") = "6"
    & skf21("1","3","5","7","5","1","4","1") = "6"
    & skf21("1","3","5","7","5","1","5","1") = "6"
    & skf21("1","3","5","7","5","1","6","1") = "6"
    & skf21("1","3","5","7","5","1","7","1") = "6"
    & skf21("1","3","5","7","5","2","1","1") = "6"
    & skf21("1","3","5","7","5","2","2","1") = "6"
    & skf21("1","3","5","7","5","2","3","1") = "6"
    & skf21("1","3","5","7","5","2","4","1") = "6"
    & skf21("1","3","5","7","5","2","5","1") = "6"
    & skf21("1","3","5","7","5","2","6","1") = "6"
    & skf21("1","3","5","7","5","2","7","1") = "6"
    & skf21("1","3","5","7","5","3","1","1") = "6"
    & skf21("1","3","5","7","5","3","2","1") = "6"
    & skf21("1","3","5","7","5","3","3","1") = "6"
    & skf21("1","3","5","7","5","3","4","1") = "6"
    & skf21("1","3","5","7","5","3","5","1") = "6"
    & skf21("1","3","5","7","5","3","6","1") = "6"
    & skf21("1","3","5","7","5","3","7","1") = "6"
    & skf21("1","3","5","7","5","4","1","1") = "6"
    & skf21("1","3","5","7","5","4","2","1") = "6"
    & skf21("1","3","5","7","5","4","3","1") = "6"
    & skf21("1","3","5","7","5","4","4","1") = "6"
    & skf21("1","3","5","7","5","4","5","1") = "6"
    & skf21("1","3","5","7","5","4","6","1") = "6"
    & skf21("1","3","5","7","5","4","7","1") = "6"
    & skf21("1","3","5","7","5","5","1","1") = "6"
    & skf21("1","3","5","7","5","5","2","1") = "6"
    & skf21("1","3","5","7","5","5","3","1") = "6"
    & skf21("1","3","5","7","5","5","4","1") = "6"
    & skf21("1","3","5","7","5","5","5","1") = "6"
    & skf21("1","3","5","7","5","5","6","1") = "6"
    & skf21("1","3","5","7","5","5","7","1") = "6"
    & skf21("1","3","5","7","5","6","1","1") = "6"
    & skf21("1","3","5","7","5","6","2","1") = "6"
    & skf21("1","3","5","7","5","6","3","1") = "6"
    & skf21("1","3","5","7","5","6","4","1") = "6"
    & skf21("1","3","5","7","5","6","5","1") = "6"
    & skf21("1","3","5","7","5","6","6","1") = "6"
    & skf21("1","3","5","7","5","6","7","1") = "6"
    & skf21("1","3","5","7","5","7","1","1") = "6"
    & skf21("1","3","5","7","5","7","2","1") = "6"
    & skf21("1","3","5","7","5","7","3","1") = "6"
    & skf21("1","3","5","7","5","7","4","1") = "6"
    & skf21("1","3","5","7","5","7","5","1") = "6"
    & skf21("1","3","5","7","5","7","6","1") = "6"
    & skf21("1","3","5","7","5","7","7","1") = "6"
    & skf21("1","3","5","7","6","1","1","1") = "6"
    & skf21("1","3","5","7","6","1","2","1") = "6"
    & skf21("1","3","5","7","6","1","3","1") = "6"
    & skf21("1","3","5","7","6","1","4","1") = "6"
    & skf21("1","3","5","7","6","1","5","1") = "6"
    & skf21("1","3","5","7","6","1","6","1") = "6"
    & skf21("1","3","5","7","6","1","7","1") = "6"
    & skf21("1","3","5","7","6","2","1","1") = "6"
    & skf21("1","3","5","7","6","2","2","1") = "6"
    & skf21("1","3","5","7","6","2","3","1") = "6"
    & skf21("1","3","5","7","6","2","4","1") = "6"
    & skf21("1","3","5","7","6","2","5","1") = "6"
    & skf21("1","3","5","7","6","2","6","1") = "6"
    & skf21("1","3","5","7","6","2","7","1") = "6"
    & skf21("1","3","5","7","6","3","1","1") = "6"
    & skf21("1","3","5","7","6","3","2","1") = "6"
    & skf21("1","3","5","7","6","3","3","1") = "6"
    & skf21("1","3","5","7","6","3","4","1") = "6"
    & skf21("1","3","5","7","6","3","5","1") = "6"
    & skf21("1","3","5","7","6","3","6","1") = "6"
    & skf21("1","3","5","7","6","3","7","1") = "6"
    & skf21("1","3","5","7","6","4","1","1") = "6"
    & skf21("1","3","5","7","6","4","2","1") = "6"
    & skf21("1","3","5","7","6","4","3","1") = "6"
    & skf21("1","3","5","7","6","4","4","1") = "6"
    & skf21("1","3","5","7","6","4","5","1") = "6"
    & skf21("1","3","5","7","6","4","6","1") = "6"
    & skf21("1","3","5","7","6","4","7","1") = "6"
    & skf21("1","3","5","7","6","5","1","1") = "6"
    & skf21("1","3","5","7","6","5","2","1") = "6"
    & skf21("1","3","5","7","6","5","3","1") = "6"
    & skf21("1","3","5","7","6","5","4","1") = "6"
    & skf21("1","3","5","7","6","5","5","1") = "6"
    & skf21("1","3","5","7","6","5","6","1") = "6"
    & skf21("1","3","5","7","6","5","7","1") = "6"
    & skf21("1","3","5","7","6","6","1","1") = "6"
    & skf21("1","3","5","7","6","6","2","1") = "6"
    & skf21("1","3","5","7","6","6","3","1") = "6"
    & skf21("1","3","5","7","6","6","4","1") = "6"
    & skf21("1","3","5","7","6","6","5","1") = "6"
    & skf21("1","3","5","7","6","6","6","1") = "6"
    & skf21("1","3","5","7","6","6","7","1") = "6"
    & skf21("1","3","5","7","6","7","1","1") = "6"
    & skf21("1","3","5","7","6","7","2","1") = "6"
    & skf21("1","3","5","7","6","7","3","1") = "6"
    & skf21("1","3","5","7","6","7","4","1") = "6"
    & skf21("1","3","5","7","6","7","5","1") = "6"
    & skf21("1","3","5","7","6","7","6","1") = "6"
    & skf21("1","3","5","7","6","7","7","1") = "6"
    & skf21("1","3","5","7","7","1","1","1") = "6"
    & skf21("1","3","5","7","7","1","2","1") = "6"
    & skf21("1","3","5","7","7","1","3","1") = "6"
    & skf21("1","3","5","7","7","1","4","1") = "6"
    & skf21("1","3","5","7","7","1","5","1") = "6"
    & skf21("1","3","5","7","7","1","6","1") = "6"
    & skf21("1","3","5","7","7","1","7","1") = "6"
    & skf21("1","3","5","7","7","2","1","1") = "6"
    & skf21("1","3","5","7","7","2","2","1") = "6"
    & skf21("1","3","5","7","7","2","3","1") = "6"
    & skf21("1","3","5","7","7","2","4","1") = "6"
    & skf21("1","3","5","7","7","2","5","1") = "6"
    & skf21("1","3","5","7","7","2","6","1") = "6"
    & skf21("1","3","5","7","7","2","7","1") = "6"
    & skf21("1","3","5","7","7","3","1","1") = "6"
    & skf21("1","3","5","7","7","3","2","1") = "6"
    & skf21("1","3","5","7","7","3","3","1") = "6"
    & skf21("1","3","5","7","7","3","4","1") = "6"
    & skf21("1","3","5","7","7","3","5","1") = "6"
    & skf21("1","3","5","7","7","3","6","1") = "6"
    & skf21("1","3","5","7","7","3","7","1") = "6"
    & skf21("1","3","5","7","7","4","1","1") = "6"
    & skf21("1","3","5","7","7","4","2","1") = "6"
    & skf21("1","3","5","7","7","4","3","1") = "6"
    & skf21("1","3","5","7","7","4","4","1") = "6"
    & skf21("1","3","5","7","7","4","5","1") = "6"
    & skf21("1","3","5","7","7","4","6","1") = "6"
    & skf21("1","3","5","7","7","4","7","1") = "6"
    & skf21("1","3","5","7","7","5","1","1") = "6"
    & skf21("1","3","5","7","7","5","2","1") = "6"
    & skf21("1","3","5","7","7","5","3","1") = "6"
    & skf21("1","3","5","7","7","5","4","1") = "6"
    & skf21("1","3","5","7","7","5","5","1") = "6"
    & skf21("1","3","5","7","7","5","6","1") = "6"
    & skf21("1","3","5","7","7","5","7","1") = "6"
    & skf21("1","3","5","7","7","6","1","1") = "6"
    & skf21("1","3","5","7","7","6","2","1") = "6"
    & skf21("1","3","5","7","7","6","3","1") = "6"
    & skf21("1","3","5","7","7","6","4","1") = "6"
    & skf21("1","3","5","7","7","6","5","1") = "6"
    & skf21("1","3","5","7","7","6","6","1") = "6"
    & skf21("1","3","5","7","7","6","7","1") = "6"
    & skf21("1","3","5","7","7","7","1","1") = "6"
    & skf21("1","3","5","7","7","7","2","1") = "6"
    & skf21("1","3","5","7","7","7","3","1") = "6"
    & skf21("1","3","5","7","7","7","4","1") = "6"
    & skf21("1","3","5","7","7","7","5","1") = "6"
    & skf21("1","3","5","7","7","7","6","1") = "6"
    & skf21("1","3","5","7","7","7","7","1") = "6"
    & skf21("1","3","6","1","1","1","1","1") = "5"
    & skf21("1","3","6","1","1","1","2","1") = "5"
    & skf21("1","3","6","1","1","1","3","1") = "5"
    & skf21("1","3","6","1","1","1","4","1") = "5"
    & skf21("1","3","6","1","1","1","5","1") = "5"
    & skf21("1","3","6","1","1","1","6","1") = "5"
    & skf21("1","3","6","1","1","1","7","1") = "6"
    & skf21("1","3","6","1","1","2","1","1") = "5"
    & skf21("1","3","6","1","1","2","2","1") = "5"
    & skf21("1","3","6","1","1","2","3","1") = "5"
    & skf21("1","3","6","1","1","2","4","1") = "5"
    & skf21("1","3","6","1","1","2","5","1") = "5"
    & skf21("1","3","6","1","1","2","6","1") = "5"
    & skf21("1","3","6","1","1","2","7","1") = "6"
    & skf21("1","3","6","1","1","3","1","1") = "5"
    & skf21("1","3","6","1","1","3","2","1") = "5"
    & skf21("1","3","6","1","1","3","3","1") = "5"
    & skf21("1","3","6","1","1","3","4","1") = "5"
    & skf21("1","3","6","1","1","3","5","1") = "5"
    & skf21("1","3","6","1","1","3","6","1") = "5"
    & skf21("1","3","6","1","1","3","7","1") = "6"
    & skf21("1","3","6","1","1","4","1","1") = "5"
    & skf21("1","3","6","1","1","4","2","1") = "5"
    & skf21("1","3","6","1","1","4","3","1") = "5"
    & skf21("1","3","6","1","1","4","4","1") = "5"
    & skf21("1","3","6","1","1","4","5","1") = "5"
    & skf21("1","3","6","1","1","4","6","1") = "5"
    & skf21("1","3","6","1","1","4","7","1") = "6"
    & skf21("1","3","6","1","1","5","1","1") = "5"
    & skf21("1","3","6","1","1","5","2","1") = "5"
    & skf21("1","3","6","1","1","5","3","1") = "5"
    & skf21("1","3","6","1","1","5","4","1") = "5"
    & skf21("1","3","6","1","1","5","5","1") = "5"
    & skf21("1","3","6","1","1","5","6","1") = "5"
    & skf21("1","3","6","1","1","5","7","1") = "6"
    & skf21("1","3","6","1","1","6","1","1") = "5"
    & skf21("1","3","6","1","1","6","2","1") = "5"
    & skf21("1","3","6","1","1","6","3","1") = "5"
    & skf21("1","3","6","1","1","6","4","1") = "5"
    & skf21("1","3","6","1","1","6","5","1") = "5"
    & skf21("1","3","6","1","1","6","6","1") = "5"
    & skf21("1","3","6","1","1","6","7","1") = "6"
    & skf21("1","3","6","1","1","7","1","1") = "6"
    & skf21("1","3","6","1","1","7","2","1") = "6"
    & skf21("1","3","6","1","1","7","3","1") = "6"
    & skf21("1","3","6","1","1","7","4","1") = "6"
    & skf21("1","3","6","1","1","7","5","1") = "6"
    & skf21("1","3","6","1","1","7","6","1") = "6"
    & skf21("1","3","6","1","1","7","7","1") = "6"
    & skf21("1","3","6","1","2","1","1","1") = "5"
    & skf21("1","3","6","1","2","1","2","1") = "5"
    & skf21("1","3","6","1","2","1","3","1") = "5"
    & skf21("1","3","6","1","2","1","4","1") = "5"
    & skf21("1","3","6","1","2","1","5","1") = "5"
    & skf21("1","3","6","1","2","1","6","1") = "5"
    & skf21("1","3","6","1","2","1","7","1") = "6"
    & skf21("1","3","6","1","2","2","1","1") = "5"
    & skf21("1","3","6","1","2","2","2","1") = "5"
    & skf21("1","3","6","1","2","2","3","1") = "5"
    & skf21("1","3","6","1","2","2","4","1") = "5"
    & skf21("1","3","6","1","2","2","5","1") = "5"
    & skf21("1","3","6","1","2","2","6","1") = "5"
    & skf21("1","3","6","1","2","2","7","1") = "6"
    & skf21("1","3","6","1","2","3","1","1") = "5"
    & skf21("1","3","6","1","2","3","2","1") = "5"
    & skf21("1","3","6","1","2","3","3","1") = "5"
    & skf21("1","3","6","1","2","3","4","1") = "5"
    & skf21("1","3","6","1","2","3","5","1") = "5"
    & skf21("1","3","6","1","2","3","6","1") = "5"
    & skf21("1","3","6","1","2","3","7","1") = "6"
    & skf21("1","3","6","1","2","4","1","1") = "5"
    & skf21("1","3","6","1","2","4","2","1") = "5"
    & skf21("1","3","6","1","2","4","3","1") = "5"
    & skf21("1","3","6","1","2","4","4","1") = "5"
    & skf21("1","3","6","1","2","4","5","1") = "5"
    & skf21("1","3","6","1","2","4","6","1") = "5"
    & skf21("1","3","6","1","2","4","7","1") = "6"
    & skf21("1","3","6","1","2","5","1","1") = "5"
    & skf21("1","3","6","1","2","5","2","1") = "5"
    & skf21("1","3","6","1","2","5","3","1") = "5"
    & skf21("1","3","6","1","2","5","4","1") = "5"
    & skf21("1","3","6","1","2","5","5","1") = "5"
    & skf21("1","3","6","1","2","5","6","1") = "5"
    & skf21("1","3","6","1","2","5","7","1") = "6"
    & skf21("1","3","6","1","2","6","1","1") = "5"
    & skf21("1","3","6","1","2","6","2","1") = "5"
    & skf21("1","3","6","1","2","6","3","1") = "5"
    & skf21("1","3","6","1","2","6","4","1") = "5"
    & skf21("1","3","6","1","2","6","5","1") = "5"
    & skf21("1","3","6","1","2","6","6","1") = "5"
    & skf21("1","3","6","1","2","6","7","1") = "6"
    & skf21("1","3","6","1","2","7","1","1") = "6"
    & skf21("1","3","6","1","2","7","2","1") = "6"
    & skf21("1","3","6","1","2","7","3","1") = "6"
    & skf21("1","3","6","1","2","7","4","1") = "6"
    & skf21("1","3","6","1","2","7","5","1") = "6"
    & skf21("1","3","6","1","2","7","6","1") = "6"
    & skf21("1","3","6","1","2","7","7","1") = "6"
    & skf21("1","3","6","1","3","1","1","1") = "5"
    & skf21("1","3","6","1","3","1","2","1") = "5"
    & skf21("1","3","6","1","3","1","3","1") = "5"
    & skf21("1","3","6","1","3","1","4","1") = "5"
    & skf21("1","3","6","1","3","1","5","1") = "5"
    & skf21("1","3","6","1","3","1","6","1") = "5"
    & skf21("1","3","6","1","3","1","7","1") = "6"
    & skf21("1","3","6","1","3","2","1","1") = "5"
    & skf21("1","3","6","1","3","2","2","1") = "5"
    & skf21("1","3","6","1","3","2","3","1") = "5"
    & skf21("1","3","6","1","3","2","4","1") = "5"
    & skf21("1","3","6","1","3","2","5","1") = "5"
    & skf21("1","3","6","1","3","2","6","1") = "5"
    & skf21("1","3","6","1","3","2","7","1") = "6"
    & skf21("1","3","6","1","3","3","1","1") = "5"
    & skf21("1","3","6","1","3","3","2","1") = "5"
    & skf21("1","3","6","1","3","3","3","1") = "5"
    & skf21("1","3","6","1","3","3","4","1") = "5"
    & skf21("1","3","6","1","3","3","5","1") = "5"
    & skf21("1","3","6","1","3","3","6","1") = "5"
    & skf21("1","3","6","1","3","3","7","1") = "6"
    & skf21("1","3","6","1","3","4","1","1") = "5"
    & skf21("1","3","6","1","3","4","2","1") = "5"
    & skf21("1","3","6","1","3","4","3","1") = "5"
    & skf21("1","3","6","1","3","4","4","1") = "5"
    & skf21("1","3","6","1","3","4","5","1") = "5"
    & skf21("1","3","6","1","3","4","6","1") = "5"
    & skf21("1","3","6","1","3","4","7","1") = "6"
    & skf21("1","3","6","1","3","5","1","1") = "5"
    & skf21("1","3","6","1","3","5","2","1") = "5"
    & skf21("1","3","6","1","3","5","3","1") = "5"
    & skf21("1","3","6","1","3","5","4","1") = "5"
    & skf21("1","3","6","1","3","5","5","1") = "5"
    & skf21("1","3","6","1","3","5","6","1") = "5"
    & skf21("1","3","6","1","3","5","7","1") = "6"
    & skf21("1","3","6","1","3","6","1","1") = "5"
    & skf21("1","3","6","1","3","6","2","1") = "5"
    & skf21("1","3","6","1","3","6","3","1") = "5"
    & skf21("1","3","6","1","3","6","4","1") = "5"
    & skf21("1","3","6","1","3","6","5","1") = "5"
    & skf21("1","3","6","1","3","6","6","1") = "5"
    & skf21("1","3","6","1","3","6","7","1") = "6"
    & skf21("1","3","6","1","3","7","1","1") = "6"
    & skf21("1","3","6","1","3","7","2","1") = "6"
    & skf21("1","3","6","1","3","7","3","1") = "6"
    & skf21("1","3","6","1","3","7","4","1") = "6"
    & skf21("1","3","6","1","3","7","5","1") = "6"
    & skf21("1","3","6","1","3","7","6","1") = "6"
    & skf21("1","3","6","1","3","7","7","1") = "6"
    & skf21("1","3","6","1","4","1","1","1") = "5"
    & skf21("1","3","6","1","4","1","2","1") = "5"
    & skf21("1","3","6","1","4","1","3","1") = "5"
    & skf21("1","3","6","1","4","1","4","1") = "5"
    & skf21("1","3","6","1","4","1","5","1") = "5"
    & skf21("1","3","6","1","4","1","6","1") = "5"
    & skf21("1","3","6","1","4","1","7","1") = "6"
    & skf21("1","3","6","1","4","2","1","1") = "5"
    & skf21("1","3","6","1","4","2","2","1") = "5"
    & skf21("1","3","6","1","4","2","3","1") = "5"
    & skf21("1","3","6","1","4","2","4","1") = "5"
    & skf21("1","3","6","1","4","2","5","1") = "5"
    & skf21("1","3","6","1","4","2","6","1") = "5"
    & skf21("1","3","6","1","4","2","7","1") = "6"
    & skf21("1","3","6","1","4","3","1","1") = "5"
    & skf21("1","3","6","1","4","3","2","1") = "5"
    & skf21("1","3","6","1","4","3","3","1") = "5"
    & skf21("1","3","6","1","4","3","4","1") = "5"
    & skf21("1","3","6","1","4","3","5","1") = "5"
    & skf21("1","3","6","1","4","3","6","1") = "5"
    & skf21("1","3","6","1","4","3","7","1") = "6"
    & skf21("1","3","6","1","4","4","1","1") = "5"
    & skf21("1","3","6","1","4","4","2","1") = "5"
    & skf21("1","3","6","1","4","4","3","1") = "5"
    & skf21("1","3","6","1","4","4","4","1") = "5"
    & skf21("1","3","6","1","4","4","5","1") = "5"
    & skf21("1","3","6","1","4","4","6","1") = "5"
    & skf21("1","3","6","1","4","4","7","1") = "6"
    & skf21("1","3","6","1","4","5","1","1") = "5"
    & skf21("1","3","6","1","4","5","2","1") = "5"
    & skf21("1","3","6","1","4","5","3","1") = "5"
    & skf21("1","3","6","1","4","5","4","1") = "5"
    & skf21("1","3","6","1","4","5","5","1") = "5"
    & skf21("1","3","6","1","4","5","6","1") = "5"
    & skf21("1","3","6","1","4","5","7","1") = "6"
    & skf21("1","3","6","1","4","6","1","1") = "5"
    & skf21("1","3","6","1","4","6","2","1") = "5"
    & skf21("1","3","6","1","4","6","3","1") = "5"
    & skf21("1","3","6","1","4","6","4","1") = "5"
    & skf21("1","3","6","1","4","6","5","1") = "5"
    & skf21("1","3","6","1","4","6","6","1") = "5"
    & skf21("1","3","6","1","4","6","7","1") = "6"
    & skf21("1","3","6","1","4","7","1","1") = "6"
    & skf21("1","3","6","1","4","7","2","1") = "6"
    & skf21("1","3","6","1","4","7","3","1") = "6"
    & skf21("1","3","6","1","4","7","4","1") = "6"
    & skf21("1","3","6","1","4","7","5","1") = "6"
    & skf21("1","3","6","1","4","7","6","1") = "6"
    & skf21("1","3","6","1","4","7","7","1") = "6"
    & skf21("1","3","6","1","5","1","1","1") = "5"
    & skf21("1","3","6","1","5","1","2","1") = "5"
    & skf21("1","3","6","1","5","1","3","1") = "5"
    & skf21("1","3","6","1","5","1","4","1") = "5"
    & skf21("1","3","6","1","5","1","5","1") = "5"
    & skf21("1","3","6","1","5","1","6","1") = "5"
    & skf21("1","3","6","1","5","1","7","1") = "6"
    & skf21("1","3","6","1","5","2","1","1") = "5"
    & skf21("1","3","6","1","5","2","2","1") = "5"
    & skf21("1","3","6","1","5","2","3","1") = "5"
    & skf21("1","3","6","1","5","2","4","1") = "5"
    & skf21("1","3","6","1","5","2","5","1") = "5"
    & skf21("1","3","6","1","5","2","6","1") = "5"
    & skf21("1","3","6","1","5","2","7","1") = "6"
    & skf21("1","3","6","1","5","3","1","1") = "5"
    & skf21("1","3","6","1","5","3","2","1") = "5"
    & skf21("1","3","6","1","5","3","3","1") = "5"
    & skf21("1","3","6","1","5","3","4","1") = "5"
    & skf21("1","3","6","1","5","3","5","1") = "5"
    & skf21("1","3","6","1","5","3","6","1") = "5"
    & skf21("1","3","6","1","5","3","7","1") = "6"
    & skf21("1","3","6","1","5","4","1","1") = "5"
    & skf21("1","3","6","1","5","4","2","1") = "5"
    & skf21("1","3","6","1","5","4","3","1") = "5"
    & skf21("1","3","6","1","5","4","4","1") = "5"
    & skf21("1","3","6","1","5","4","5","1") = "5"
    & skf21("1","3","6","1","5","4","6","1") = "5"
    & skf21("1","3","6","1","5","4","7","1") = "6"
    & skf21("1","3","6","1","5","5","1","1") = "5"
    & skf21("1","3","6","1","5","5","2","1") = "5"
    & skf21("1","3","6","1","5","5","3","1") = "5"
    & skf21("1","3","6","1","5","5","4","1") = "5"
    & skf21("1","3","6","1","5","5","5","1") = "5"
    & skf21("1","3","6","1","5","5","6","1") = "5"
    & skf21("1","3","6","1","5","5","7","1") = "6"
    & skf21("1","3","6","1","5","6","1","1") = "5"
    & skf21("1","3","6","1","5","6","2","1") = "5"
    & skf21("1","3","6","1","5","6","3","1") = "5"
    & skf21("1","3","6","1","5","6","4","1") = "5"
    & skf21("1","3","6","1","5","6","5","1") = "5"
    & skf21("1","3","6","1","5","6","6","1") = "5"
    & skf21("1","3","6","1","5","6","7","1") = "6"
    & skf21("1","3","6","1","5","7","1","1") = "6"
    & skf21("1","3","6","1","5","7","2","1") = "6"
    & skf21("1","3","6","1","5","7","3","1") = "6"
    & skf21("1","3","6","1","5","7","4","1") = "6"
    & skf21("1","3","6","1","5","7","5","1") = "6"
    & skf21("1","3","6","1","5","7","6","1") = "6"
    & skf21("1","3","6","1","5","7","7","1") = "6"
    & skf21("1","3","6","1","6","1","1","1") = "5"
    & skf21("1","3","6","1","6","1","2","1") = "5"
    & skf21("1","3","6","1","6","1","3","1") = "5"
    & skf21("1","3","6","1","6","1","4","1") = "5"
    & skf21("1","3","6","1","6","1","5","1") = "5"
    & skf21("1","3","6","1","6","1","6","1") = "5"
    & skf21("1","3","6","1","6","1","7","1") = "6"
    & skf21("1","3","6","1","6","2","1","1") = "5"
    & skf21("1","3","6","1","6","2","2","1") = "5"
    & skf21("1","3","6","1","6","2","3","1") = "5"
    & skf21("1","3","6","1","6","2","4","1") = "5"
    & skf21("1","3","6","1","6","2","5","1") = "5"
    & skf21("1","3","6","1","6","2","6","1") = "5"
    & skf21("1","3","6","1","6","2","7","1") = "6"
    & skf21("1","3","6","1","6","3","1","1") = "5"
    & skf21("1","3","6","1","6","3","2","1") = "5"
    & skf21("1","3","6","1","6","3","3","1") = "5"
    & skf21("1","3","6","1","6","3","4","1") = "5"
    & skf21("1","3","6","1","6","3","5","1") = "5"
    & skf21("1","3","6","1","6","3","6","1") = "5"
    & skf21("1","3","6","1","6","3","7","1") = "6"
    & skf21("1","3","6","1","6","4","1","1") = "5"
    & skf21("1","3","6","1","6","4","2","1") = "5"
    & skf21("1","3","6","1","6","4","3","1") = "5"
    & skf21("1","3","6","1","6","4","4","1") = "5"
    & skf21("1","3","6","1","6","4","5","1") = "5"
    & skf21("1","3","6","1","6","4","6","1") = "5"
    & skf21("1","3","6","1","6","4","7","1") = "6"
    & skf21("1","3","6","1","6","5","1","1") = "5"
    & skf21("1","3","6","1","6","5","2","1") = "5"
    & skf21("1","3","6","1","6","5","3","1") = "5"
    & skf21("1","3","6","1","6","5","4","1") = "5"
    & skf21("1","3","6","1","6","5","5","1") = "5"
    & skf21("1","3","6","1","6","5","6","1") = "5"
    & skf21("1","3","6","1","6","5","7","1") = "6"
    & skf21("1","3","6","1","6","6","1","1") = "5"
    & skf21("1","3","6","1","6","6","2","1") = "5"
    & skf21("1","3","6","1","6","6","3","1") = "5"
    & skf21("1","3","6","1","6","6","4","1") = "5"
    & skf21("1","3","6","1","6","6","5","1") = "5"
    & skf21("1","3","6","1","6","6","6","1") = "5"
    & skf21("1","3","6","1","6","6","7","1") = "6"
    & skf21("1","3","6","1","6","7","1","1") = "6"
    & skf21("1","3","6","1","6","7","2","1") = "6"
    & skf21("1","3","6","1","6","7","3","1") = "6"
    & skf21("1","3","6","1","6","7","4","1") = "6"
    & skf21("1","3","6","1","6","7","5","1") = "6"
    & skf21("1","3","6","1","6","7","6","1") = "6"
    & skf21("1","3","6","1","6","7","7","1") = "6"
    & skf21("1","3","6","1","7","1","1","1") = "6"
    & skf21("1","3","6","1","7","1","2","1") = "6"
    & skf21("1","3","6","1","7","1","3","1") = "6"
    & skf21("1","3","6","1","7","1","4","1") = "6"
    & skf21("1","3","6","1","7","1","5","1") = "6"
    & skf21("1","3","6","1","7","1","6","1") = "6"
    & skf21("1","3","6","1","7","1","7","1") = "6"
    & skf21("1","3","6","1","7","2","1","1") = "6"
    & skf21("1","3","6","1","7","2","2","1") = "6"
    & skf21("1","3","6","1","7","2","3","1") = "6"
    & skf21("1","3","6","1","7","2","4","1") = "6"
    & skf21("1","3","6","1","7","2","5","1") = "6"
    & skf21("1","3","6","1","7","2","6","1") = "6"
    & skf21("1","3","6","1","7","2","7","1") = "6"
    & skf21("1","3","6","1","7","3","1","1") = "6"
    & skf21("1","3","6","1","7","3","2","1") = "6"
    & skf21("1","3","6","1","7","3","3","1") = "6"
    & skf21("1","3","6","1","7","3","4","1") = "6"
    & skf21("1","3","6","1","7","3","5","1") = "6"
    & skf21("1","3","6","1","7","3","6","1") = "6"
    & skf21("1","3","6","1","7","3","7","1") = "6"
    & skf21("1","3","6","1","7","4","1","1") = "6"
    & skf21("1","3","6","1","7","4","2","1") = "6"
    & skf21("1","3","6","1","7","4","3","1") = "6"
    & skf21("1","3","6","1","7","4","4","1") = "6"
    & skf21("1","3","6","1","7","4","5","1") = "6"
    & skf21("1","3","6","1","7","4","6","1") = "6"
    & skf21("1","3","6","1","7","4","7","1") = "6"
    & skf21("1","3","6","1","7","5","1","1") = "6"
    & skf21("1","3","6","1","7","5","2","1") = "6"
    & skf21("1","3","6","1","7","5","3","1") = "6"
    & skf21("1","3","6","1","7","5","4","1") = "6"
    & skf21("1","3","6","1","7","5","5","1") = "6"
    & skf21("1","3","6","1","7","5","6","1") = "6"
    & skf21("1","3","6","1","7","5","7","1") = "6"
    & skf21("1","3","6","1","7","6","1","1") = "6"
    & skf21("1","3","6","1","7","6","2","1") = "6"
    & skf21("1","3","6","1","7","6","3","1") = "6"
    & skf21("1","3","6","1","7","6","4","1") = "6"
    & skf21("1","3","6","1","7","6","5","1") = "6"
    & skf21("1","3","6","1","7","6","6","1") = "6"
    & skf21("1","3","6","1","7","6","7","1") = "6"
    & skf21("1","3","6","1","7","7","1","1") = "6"
    & skf21("1","3","6","1","7","7","2","1") = "6"
    & skf21("1","3","6","1","7","7","3","1") = "6"
    & skf21("1","3","6","1","7","7","4","1") = "6"
    & skf21("1","3","6","1","7","7","5","1") = "6"
    & skf21("1","3","6","1","7","7","6","1") = "6"
    & skf21("1","3","6","1","7","7","7","1") = "6"
    & skf21("1","3","6","2","1","1","1","1") = "5"
    & skf21("1","3","6","2","1","1","2","1") = "5"
    & skf21("1","3","6","2","1","1","3","1") = "5"
    & skf21("1","3","6","2","1","1","4","1") = "5"
    & skf21("1","3","6","2","1","1","5","1") = "5"
    & skf21("1","3","6","2","1","1","6","1") = "5"
    & skf21("1","3","6","2","1","1","7","1") = "6"
    & skf21("1","3","6","2","1","2","1","1") = "5"
    & skf21("1","3","6","2","1","2","2","1") = "5"
    & skf21("1","3","6","2","1","2","3","1") = "5"
    & skf21("1","3","6","2","1","2","4","1") = "5"
    & skf21("1","3","6","2","1","2","5","1") = "5"
    & skf21("1","3","6","2","1","2","6","1") = "5"
    & skf21("1","3","6","2","1","2","7","1") = "6"
    & skf21("1","3","6","2","1","3","1","1") = "5"
    & skf21("1","3","6","2","1","3","2","1") = "5"
    & skf21("1","3","6","2","1","3","3","1") = "5"
    & skf21("1","3","6","2","1","3","4","1") = "5"
    & skf21("1","3","6","2","1","3","5","1") = "5"
    & skf21("1","3","6","2","1","3","6","1") = "5"
    & skf21("1","3","6","2","1","3","7","1") = "6"
    & skf21("1","3","6","2","1","4","1","1") = "5"
    & skf21("1","3","6","2","1","4","2","1") = "5"
    & skf21("1","3","6","2","1","4","3","1") = "5"
    & skf21("1","3","6","2","1","4","4","1") = "5"
    & skf21("1","3","6","2","1","4","5","1") = "5"
    & skf21("1","3","6","2","1","4","6","1") = "5"
    & skf21("1","3","6","2","1","4","7","1") = "6"
    & skf21("1","3","6","2","1","5","1","1") = "5"
    & skf21("1","3","6","2","1","5","2","1") = "5"
    & skf21("1","3","6","2","1","5","3","1") = "5"
    & skf21("1","3","6","2","1","5","4","1") = "5"
    & skf21("1","3","6","2","1","5","5","1") = "5"
    & skf21("1","3","6","2","1","5","6","1") = "5"
    & skf21("1","3","6","2","1","5","7","1") = "6"
    & skf21("1","3","6","2","1","6","1","1") = "5"
    & skf21("1","3","6","2","1","6","2","1") = "5"
    & skf21("1","3","6","2","1","6","3","1") = "5"
    & skf21("1","3","6","2","1","6","4","1") = "5"
    & skf21("1","3","6","2","1","6","5","1") = "5"
    & skf21("1","3","6","2","1","6","6","1") = "5"
    & skf21("1","3","6","2","1","6","7","1") = "6"
    & skf21("1","3","6","2","1","7","1","1") = "6"
    & skf21("1","3","6","2","1","7","2","1") = "6"
    & skf21("1","3","6","2","1","7","3","1") = "6"
    & skf21("1","3","6","2","1","7","4","1") = "6"
    & skf21("1","3","6","2","1","7","5","1") = "6"
    & skf21("1","3","6","2","1","7","6","1") = "6"
    & skf21("1","3","6","2","1","7","7","1") = "6"
    & skf21("1","3","6","2","2","1","1","1") = "5"
    & skf21("1","3","6","2","2","1","2","1") = "5"
    & skf21("1","3","6","2","2","1","3","1") = "5"
    & skf21("1","3","6","2","2","1","4","1") = "5"
    & skf21("1","3","6","2","2","1","5","1") = "5"
    & skf21("1","3","6","2","2","1","6","1") = "5"
    & skf21("1","3","6","2","2","1","7","1") = "6"
    & skf21("1","3","6","2","2","2","1","1") = "5"
    & skf21("1","3","6","2","2","2","2","1") = "5"
    & skf21("1","3","6","2","2","2","3","1") = "5"
    & skf21("1","3","6","2","2","2","4","1") = "5"
    & skf21("1","3","6","2","2","2","5","1") = "5"
    & skf21("1","3","6","2","2","2","6","1") = "5"
    & skf21("1","3","6","2","2","2","7","1") = "6"
    & skf21("1","3","6","2","2","3","1","1") = "5"
    & skf21("1","3","6","2","2","3","2","1") = "5"
    & skf21("1","3","6","2","2","3","3","1") = "5"
    & skf21("1","3","6","2","2","3","4","1") = "5"
    & skf21("1","3","6","2","2","3","5","1") = "5"
    & skf21("1","3","6","2","2","3","6","1") = "5"
    & skf21("1","3","6","2","2","3","7","1") = "6"
    & skf21("1","3","6","2","2","4","1","1") = "5"
    & skf21("1","3","6","2","2","4","2","1") = "5"
    & skf21("1","3","6","2","2","4","3","1") = "5"
    & skf21("1","3","6","2","2","4","4","1") = "5"
    & skf21("1","3","6","2","2","4","5","1") = "5"
    & skf21("1","3","6","2","2","4","6","1") = "5"
    & skf21("1","3","6","2","2","4","7","1") = "6"
    & skf21("1","3","6","2","2","5","1","1") = "5"
    & skf21("1","3","6","2","2","5","2","1") = "5"
    & skf21("1","3","6","2","2","5","3","1") = "5"
    & skf21("1","3","6","2","2","5","4","1") = "5"
    & skf21("1","3","6","2","2","5","5","1") = "5"
    & skf21("1","3","6","2","2","5","6","1") = "5"
    & skf21("1","3","6","2","2","5","7","1") = "6"
    & skf21("1","3","6","2","2","6","1","1") = "5"
    & skf21("1","3","6","2","2","6","2","1") = "5"
    & skf21("1","3","6","2","2","6","3","1") = "5"
    & skf21("1","3","6","2","2","6","4","1") = "5"
    & skf21("1","3","6","2","2","6","5","1") = "5"
    & skf21("1","3","6","2","2","6","6","1") = "5"
    & skf21("1","3","6","2","2","6","7","1") = "6"
    & skf21("1","3","6","2","2","7","1","1") = "6"
    & skf21("1","3","6","2","2","7","2","1") = "6"
    & skf21("1","3","6","2","2","7","3","1") = "6"
    & skf21("1","3","6","2","2","7","4","1") = "6"
    & skf21("1","3","6","2","2","7","5","1") = "6"
    & skf21("1","3","6","2","2","7","6","1") = "6"
    & skf21("1","3","6","2","2","7","7","1") = "6"
    & skf21("1","3","6","2","3","1","1","1") = "5"
    & skf21("1","3","6","2","3","1","2","1") = "5"
    & skf21("1","3","6","2","3","1","3","1") = "5"
    & skf21("1","3","6","2","3","1","4","1") = "5"
    & skf21("1","3","6","2","3","1","5","1") = "5"
    & skf21("1","3","6","2","3","1","6","1") = "5"
    & skf21("1","3","6","2","3","1","7","1") = "6"
    & skf21("1","3","6","2","3","2","1","1") = "5"
    & skf21("1","3","6","2","3","2","2","1") = "5"
    & skf21("1","3","6","2","3","2","3","1") = "5"
    & skf21("1","3","6","2","3","2","4","1") = "5"
    & skf21("1","3","6","2","3","2","5","1") = "5"
    & skf21("1","3","6","2","3","2","6","1") = "5"
    & skf21("1","3","6","2","3","2","7","1") = "6"
    & skf21("1","3","6","2","3","3","1","1") = "5"
    & skf21("1","3","6","2","3","3","2","1") = "5"
    & skf21("1","3","6","2","3","3","3","1") = "5"
    & skf21("1","3","6","2","3","3","4","1") = "5"
    & skf21("1","3","6","2","3","3","5","1") = "5"
    & skf21("1","3","6","2","3","3","6","1") = "5"
    & skf21("1","3","6","2","3","3","7","1") = "6"
    & skf21("1","3","6","2","3","4","1","1") = "5"
    & skf21("1","3","6","2","3","4","2","1") = "5"
    & skf21("1","3","6","2","3","4","3","1") = "5"
    & skf21("1","3","6","2","3","4","4","1") = "5"
    & skf21("1","3","6","2","3","4","5","1") = "5"
    & skf21("1","3","6","2","3","4","6","1") = "5"
    & skf21("1","3","6","2","3","4","7","1") = "6"
    & skf21("1","3","6","2","3","5","1","1") = "5"
    & skf21("1","3","6","2","3","5","2","1") = "5"
    & skf21("1","3","6","2","3","5","3","1") = "5"
    & skf21("1","3","6","2","3","5","4","1") = "5"
    & skf21("1","3","6","2","3","5","5","1") = "5"
    & skf21("1","3","6","2","3","5","6","1") = "5"
    & skf21("1","3","6","2","3","5","7","1") = "6"
    & skf21("1","3","6","2","3","6","1","1") = "5"
    & skf21("1","3","6","2","3","6","2","1") = "5"
    & skf21("1","3","6","2","3","6","3","1") = "5"
    & skf21("1","3","6","2","3","6","4","1") = "5"
    & skf21("1","3","6","2","3","6","5","1") = "5"
    & skf21("1","3","6","2","3","6","6","1") = "5"
    & skf21("1","3","6","2","3","6","7","1") = "6"
    & skf21("1","3","6","2","3","7","1","1") = "6"
    & skf21("1","3","6","2","3","7","2","1") = "6"
    & skf21("1","3","6","2","3","7","3","1") = "6"
    & skf21("1","3","6","2","3","7","4","1") = "6"
    & skf21("1","3","6","2","3","7","5","1") = "6"
    & skf21("1","3","6","2","3","7","6","1") = "6"
    & skf21("1","3","6","2","3","7","7","1") = "6"
    & skf21("1","3","6","2","4","1","1","1") = "5"
    & skf21("1","3","6","2","4","1","2","1") = "5"
    & skf21("1","3","6","2","4","1","3","1") = "5"
    & skf21("1","3","6","2","4","1","4","1") = "5"
    & skf21("1","3","6","2","4","1","5","1") = "5"
    & skf21("1","3","6","2","4","1","6","1") = "5"
    & skf21("1","3","6","2","4","1","7","1") = "6"
    & skf21("1","3","6","2","4","2","1","1") = "5"
    & skf21("1","3","6","2","4","2","2","1") = "5"
    & skf21("1","3","6","2","4","2","3","1") = "5"
    & skf21("1","3","6","2","4","2","4","1") = "5"
    & skf21("1","3","6","2","4","2","5","1") = "5"
    & skf21("1","3","6","2","4","2","6","1") = "5"
    & skf21("1","3","6","2","4","2","7","1") = "6"
    & skf21("1","3","6","2","4","3","1","1") = "5"
    & skf21("1","3","6","2","4","3","2","1") = "5"
    & skf21("1","3","6","2","4","3","3","1") = "5"
    & skf21("1","3","6","2","4","3","4","1") = "5"
    & skf21("1","3","6","2","4","3","5","1") = "5"
    & skf21("1","3","6","2","4","3","6","1") = "5"
    & skf21("1","3","6","2","4","3","7","1") = "6"
    & skf21("1","3","6","2","4","4","1","1") = "5"
    & skf21("1","3","6","2","4","4","2","1") = "5"
    & skf21("1","3","6","2","4","4","3","1") = "5"
    & skf21("1","3","6","2","4","4","4","1") = "5"
    & skf21("1","3","6","2","4","4","5","1") = "5"
    & skf21("1","3","6","2","4","4","6","1") = "5"
    & skf21("1","3","6","2","4","4","7","1") = "6"
    & skf21("1","3","6","2","4","5","1","1") = "5"
    & skf21("1","3","6","2","4","5","2","1") = "5"
    & skf21("1","3","6","2","4","5","3","1") = "5"
    & skf21("1","3","6","2","4","5","4","1") = "5"
    & skf21("1","3","6","2","4","5","5","1") = "5"
    & skf21("1","3","6","2","4","5","6","1") = "5"
    & skf21("1","3","6","2","4","5","7","1") = "6"
    & skf21("1","3","6","2","4","6","1","1") = "5"
    & skf21("1","3","6","2","4","6","2","1") = "5"
    & skf21("1","3","6","2","4","6","3","1") = "5"
    & skf21("1","3","6","2","4","6","4","1") = "5"
    & skf21("1","3","6","2","4","6","5","1") = "5"
    & skf21("1","3","6","2","4","6","6","1") = "5"
    & skf21("1","3","6","2","4","6","7","1") = "6"
    & skf21("1","3","6","2","4","7","1","1") = "6"
    & skf21("1","3","6","2","4","7","2","1") = "6"
    & skf21("1","3","6","2","4","7","3","1") = "6"
    & skf21("1","3","6","2","4","7","4","1") = "6"
    & skf21("1","3","6","2","4","7","5","1") = "6"
    & skf21("1","3","6","2","4","7","6","1") = "6"
    & skf21("1","3","6","2","4","7","7","1") = "6"
    & skf21("1","3","6","2","5","1","1","1") = "5"
    & skf21("1","3","6","2","5","1","2","1") = "5"
    & skf21("1","3","6","2","5","1","3","1") = "5"
    & skf21("1","3","6","2","5","1","4","1") = "5"
    & skf21("1","3","6","2","5","1","5","1") = "5"
    & skf21("1","3","6","2","5","1","6","1") = "5"
    & skf21("1","3","6","2","5","1","7","1") = "6"
    & skf21("1","3","6","2","5","2","1","1") = "5"
    & skf21("1","3","6","2","5","2","2","1") = "5"
    & skf21("1","3","6","2","5","2","3","1") = "5"
    & skf21("1","3","6","2","5","2","4","1") = "5"
    & skf21("1","3","6","2","5","2","5","1") = "5"
    & skf21("1","3","6","2","5","2","6","1") = "5"
    & skf21("1","3","6","2","5","2","7","1") = "6"
    & skf21("1","3","6","2","5","3","1","1") = "5"
    & skf21("1","3","6","2","5","3","2","1") = "5"
    & skf21("1","3","6","2","5","3","3","1") = "5"
    & skf21("1","3","6","2","5","3","4","1") = "5"
    & skf21("1","3","6","2","5","3","5","1") = "5"
    & skf21("1","3","6","2","5","3","6","1") = "5"
    & skf21("1","3","6","2","5","3","7","1") = "6"
    & skf21("1","3","6","2","5","4","1","1") = "5"
    & skf21("1","3","6","2","5","4","2","1") = "5"
    & skf21("1","3","6","2","5","4","3","1") = "5"
    & skf21("1","3","6","2","5","4","4","1") = "5"
    & skf21("1","3","6","2","5","4","5","1") = "5"
    & skf21("1","3","6","2","5","4","6","1") = "5"
    & skf21("1","3","6","2","5","4","7","1") = "6"
    & skf21("1","3","6","2","5","5","1","1") = "5"
    & skf21("1","3","6","2","5","5","2","1") = "5"
    & skf21("1","3","6","2","5","5","3","1") = "5"
    & skf21("1","3","6","2","5","5","4","1") = "5"
    & skf21("1","3","6","2","5","5","5","1") = "5"
    & skf21("1","3","6","2","5","5","6","1") = "5"
    & skf21("1","3","6","2","5","5","7","1") = "6"
    & skf21("1","3","6","2","5","6","1","1") = "5"
    & skf21("1","3","6","2","5","6","2","1") = "5"
    & skf21("1","3","6","2","5","6","3","1") = "5"
    & skf21("1","3","6","2","5","6","4","1") = "5"
    & skf21("1","3","6","2","5","6","5","1") = "5"
    & skf21("1","3","6","2","5","6","6","1") = "5"
    & skf21("1","3","6","2","5","6","7","1") = "6"
    & skf21("1","3","6","2","5","7","1","1") = "6"
    & skf21("1","3","6","2","5","7","2","1") = "6"
    & skf21("1","3","6","2","5","7","3","1") = "6"
    & skf21("1","3","6","2","5","7","4","1") = "6"
    & skf21("1","3","6","2","5","7","5","1") = "6"
    & skf21("1","3","6","2","5","7","6","1") = "6"
    & skf21("1","3","6","2","5","7","7","1") = "6"
    & skf21("1","3","6","2","6","1","1","1") = "5"
    & skf21("1","3","6","2","6","1","2","1") = "5"
    & skf21("1","3","6","2","6","1","3","1") = "5"
    & skf21("1","3","6","2","6","1","4","1") = "5"
    & skf21("1","3","6","2","6","1","5","1") = "5"
    & skf21("1","3","6","2","6","1","6","1") = "5"
    & skf21("1","3","6","2","6","1","7","1") = "6"
    & skf21("1","3","6","2","6","2","1","1") = "5"
    & skf21("1","3","6","2","6","2","2","1") = "5"
    & skf21("1","3","6","2","6","2","3","1") = "5"
    & skf21("1","3","6","2","6","2","4","1") = "5"
    & skf21("1","3","6","2","6","2","5","1") = "5"
    & skf21("1","3","6","2","6","2","6","1") = "5"
    & skf21("1","3","6","2","6","2","7","1") = "6"
    & skf21("1","3","6","2","6","3","1","1") = "5"
    & skf21("1","3","6","2","6","3","2","1") = "5"
    & skf21("1","3","6","2","6","3","3","1") = "5"
    & skf21("1","3","6","2","6","3","4","1") = "5"
    & skf21("1","3","6","2","6","3","5","1") = "5"
    & skf21("1","3","6","2","6","3","6","1") = "5"
    & skf21("1","3","6","2","6","3","7","1") = "6"
    & skf21("1","3","6","2","6","4","1","1") = "5"
    & skf21("1","3","6","2","6","4","2","1") = "5"
    & skf21("1","3","6","2","6","4","3","1") = "5"
    & skf21("1","3","6","2","6","4","4","1") = "5"
    & skf21("1","3","6","2","6","4","5","1") = "5"
    & skf21("1","3","6","2","6","4","6","1") = "5"
    & skf21("1","3","6","2","6","4","7","1") = "6"
    & skf21("1","3","6","2","6","5","1","1") = "5"
    & skf21("1","3","6","2","6","5","2","1") = "5"
    & skf21("1","3","6","2","6","5","3","1") = "5"
    & skf21("1","3","6","2","6","5","4","1") = "5"
    & skf21("1","3","6","2","6","5","5","1") = "5"
    & skf21("1","3","6","2","6","5","6","1") = "5"
    & skf21("1","3","6","2","6","5","7","1") = "6"
    & skf21("1","3","6","2","6","6","1","1") = "5"
    & skf21("1","3","6","2","6","6","2","1") = "5"
    & skf21("1","3","6","2","6","6","3","1") = "5"
    & skf21("1","3","6","2","6","6","4","1") = "5"
    & skf21("1","3","6","2","6","6","5","1") = "5"
    & skf21("1","3","6","2","6","6","6","1") = "5"
    & skf21("1","3","6","2","6","6","7","1") = "6"
    & skf21("1","3","6","2","6","7","1","1") = "6"
    & skf21("1","3","6","2","6","7","2","1") = "6"
    & skf21("1","3","6","2","6","7","3","1") = "6"
    & skf21("1","3","6","2","6","7","4","1") = "6"
    & skf21("1","3","6","2","6","7","5","1") = "6"
    & skf21("1","3","6","2","6","7","6","1") = "6"
    & skf21("1","3","6","2","6","7","7","1") = "6"
    & skf21("1","3","6","2","7","1","1","1") = "6"
    & skf21("1","3","6","2","7","1","2","1") = "6"
    & skf21("1","3","6","2","7","1","3","1") = "6"
    & skf21("1","3","6","2","7","1","4","1") = "6"
    & skf21("1","3","6","2","7","1","5","1") = "6"
    & skf21("1","3","6","2","7","1","6","1") = "6"
    & skf21("1","3","6","2","7","1","7","1") = "6"
    & skf21("1","3","6","2","7","2","1","1") = "6"
    & skf21("1","3","6","2","7","2","2","1") = "6"
    & skf21("1","3","6","2","7","2","3","1") = "6"
    & skf21("1","3","6","2","7","2","4","1") = "6"
    & skf21("1","3","6","2","7","2","5","1") = "6"
    & skf21("1","3","6","2","7","2","6","1") = "6"
    & skf21("1","3","6","2","7","2","7","1") = "6"
    & skf21("1","3","6","2","7","3","1","1") = "6"
    & skf21("1","3","6","2","7","3","2","1") = "6"
    & skf21("1","3","6","2","7","3","3","1") = "6"
    & skf21("1","3","6","2","7","3","4","1") = "6"
    & skf21("1","3","6","2","7","3","5","1") = "6"
    & skf21("1","3","6","2","7","3","6","1") = "6"
    & skf21("1","3","6","2","7","3","7","1") = "6"
    & skf21("1","3","6","2","7","4","1","1") = "6"
    & skf21("1","3","6","2","7","4","2","1") = "6"
    & skf21("1","3","6","2","7","4","3","1") = "6"
    & skf21("1","3","6","2","7","4","4","1") = "6"
    & skf21("1","3","6","2","7","4","5","1") = "6"
    & skf21("1","3","6","2","7","4","6","1") = "6"
    & skf21("1","3","6","2","7","4","7","1") = "6"
    & skf21("1","3","6","2","7","5","1","1") = "6"
    & skf21("1","3","6","2","7","5","2","1") = "6"
    & skf21("1","3","6","2","7","5","3","1") = "6"
    & skf21("1","3","6","2","7","5","4","1") = "6"
    & skf21("1","3","6","2","7","5","5","1") = "6"
    & skf21("1","3","6","2","7","5","6","1") = "6"
    & skf21("1","3","6","2","7","5","7","1") = "6"
    & skf21("1","3","6","2","7","6","1","1") = "6"
    & skf21("1","3","6","2","7","6","2","1") = "6"
    & skf21("1","3","6","2","7","6","3","1") = "6"
    & skf21("1","3","6","2","7","6","4","1") = "6"
    & skf21("1","3","6","2","7","6","5","1") = "6"
    & skf21("1","3","6","2","7","6","6","1") = "6"
    & skf21("1","3","6","2","7","6","7","1") = "6"
    & skf21("1","3","6","2","7","7","1","1") = "6"
    & skf21("1","3","6","2","7","7","2","1") = "6"
    & skf21("1","3","6","2","7","7","3","1") = "6"
    & skf21("1","3","6","2","7","7","4","1") = "6"
    & skf21("1","3","6","2","7","7","5","1") = "6"
    & skf21("1","3","6","2","7","7","6","1") = "6"
    & skf21("1","3","6","2","7","7","7","1") = "6"
    & skf21("1","3","6","3","1","1","1","1") = "5"
    & skf21("1","3","6","3","1","1","2","1") = "5"
    & skf21("1","3","6","3","1","1","3","1") = "5"
    & skf21("1","3","6","3","1","1","4","1") = "5"
    & skf21("1","3","6","3","1","1","5","1") = "5"
    & skf21("1","3","6","3","1","1","6","1") = "5"
    & skf21("1","3","6","3","1","1","7","1") = "6"
    & skf21("1","3","6","3","1","2","1","1") = "5"
    & skf21("1","3","6","3","1","2","2","1") = "5"
    & skf21("1","3","6","3","1","2","3","1") = "5"
    & skf21("1","3","6","3","1","2","4","1") = "5"
    & skf21("1","3","6","3","1","2","5","1") = "5"
    & skf21("1","3","6","3","1","2","6","1") = "5"
    & skf21("1","3","6","3","1","2","7","1") = "6"
    & skf21("1","3","6","3","1","3","1","1") = "5"
    & skf21("1","3","6","3","1","3","2","1") = "5"
    & skf21("1","3","6","3","1","3","3","1") = "5"
    & skf21("1","3","6","3","1","3","4","1") = "5"
    & skf21("1","3","6","3","1","3","5","1") = "5"
    & skf21("1","3","6","3","1","3","6","1") = "5"
    & skf21("1","3","6","3","1","3","7","1") = "6"
    & skf21("1","3","6","3","1","4","1","1") = "5"
    & skf21("1","3","6","3","1","4","2","1") = "5"
    & skf21("1","3","6","3","1","4","3","1") = "5"
    & skf21("1","3","6","3","1","4","4","1") = "5"
    & skf21("1","3","6","3","1","4","5","1") = "5"
    & skf21("1","3","6","3","1","4","6","1") = "5"
    & skf21("1","3","6","3","1","4","7","1") = "6"
    & skf21("1","3","6","3","1","5","1","1") = "5"
    & skf21("1","3","6","3","1","5","2","1") = "5"
    & skf21("1","3","6","3","1","5","3","1") = "5"
    & skf21("1","3","6","3","1","5","4","1") = "5"
    & skf21("1","3","6","3","1","5","5","1") = "5"
    & skf21("1","3","6","3","1","5","6","1") = "5"
    & skf21("1","3","6","3","1","5","7","1") = "6"
    & skf21("1","3","6","3","1","6","1","1") = "5"
    & skf21("1","3","6","3","1","6","2","1") = "5"
    & skf21("1","3","6","3","1","6","3","1") = "5"
    & skf21("1","3","6","3","1","6","4","1") = "5"
    & skf21("1","3","6","3","1","6","5","1") = "5"
    & skf21("1","3","6","3","1","6","6","1") = "5"
    & skf21("1","3","6","3","1","6","7","1") = "6"
    & skf21("1","3","6","3","1","7","1","1") = "6"
    & skf21("1","3","6","3","1","7","2","1") = "6"
    & skf21("1","3","6","3","1","7","3","1") = "6"
    & skf21("1","3","6","3","1","7","4","1") = "6"
    & skf21("1","3","6","3","1","7","5","1") = "6"
    & skf21("1","3","6","3","1","7","6","1") = "6"
    & skf21("1","3","6","3","1","7","7","1") = "6"
    & skf21("1","3","6","3","2","1","1","1") = "5"
    & skf21("1","3","6","3","2","1","2","1") = "5"
    & skf21("1","3","6","3","2","1","3","1") = "5"
    & skf21("1","3","6","3","2","1","4","1") = "5"
    & skf21("1","3","6","3","2","1","5","1") = "5"
    & skf21("1","3","6","3","2","1","6","1") = "5"
    & skf21("1","3","6","3","2","1","7","1") = "6"
    & skf21("1","3","6","3","2","2","1","1") = "5"
    & skf21("1","3","6","3","2","2","2","1") = "5"
    & skf21("1","3","6","3","2","2","3","1") = "5"
    & skf21("1","3","6","3","2","2","4","1") = "5"
    & skf21("1","3","6","3","2","2","5","1") = "5"
    & skf21("1","3","6","3","2","2","6","1") = "5"
    & skf21("1","3","6","3","2","2","7","1") = "6"
    & skf21("1","3","6","3","2","3","1","1") = "5"
    & skf21("1","3","6","3","2","3","2","1") = "5"
    & skf21("1","3","6","3","2","3","3","1") = "5"
    & skf21("1","3","6","3","2","3","4","1") = "5"
    & skf21("1","3","6","3","2","3","5","1") = "5"
    & skf21("1","3","6","3","2","3","6","1") = "5"
    & skf21("1","3","6","3","2","3","7","1") = "6"
    & skf21("1","3","6","3","2","4","1","1") = "5"
    & skf21("1","3","6","3","2","4","2","1") = "5"
    & skf21("1","3","6","3","2","4","3","1") = "5"
    & skf21("1","3","6","3","2","4","4","1") = "5"
    & skf21("1","3","6","3","2","4","5","1") = "5"
    & skf21("1","3","6","3","2","4","6","1") = "5"
    & skf21("1","3","6","3","2","4","7","1") = "6"
    & skf21("1","3","6","3","2","5","1","1") = "5"
    & skf21("1","3","6","3","2","5","2","1") = "5"
    & skf21("1","3","6","3","2","5","3","1") = "5"
    & skf21("1","3","6","3","2","5","4","1") = "5"
    & skf21("1","3","6","3","2","5","5","1") = "5"
    & skf21("1","3","6","3","2","5","6","1") = "5"
    & skf21("1","3","6","3","2","5","7","1") = "6"
    & skf21("1","3","6","3","2","6","1","1") = "5"
    & skf21("1","3","6","3","2","6","2","1") = "5"
    & skf21("1","3","6","3","2","6","3","1") = "5"
    & skf21("1","3","6","3","2","6","4","1") = "5"
    & skf21("1","3","6","3","2","6","5","1") = "5"
    & skf21("1","3","6","3","2","6","6","1") = "5"
    & skf21("1","3","6","3","2","6","7","1") = "6"
    & skf21("1","3","6","3","2","7","1","1") = "6"
    & skf21("1","3","6","3","2","7","2","1") = "6"
    & skf21("1","3","6","3","2","7","3","1") = "6"
    & skf21("1","3","6","3","2","7","4","1") = "6"
    & skf21("1","3","6","3","2","7","5","1") = "6"
    & skf21("1","3","6","3","2","7","6","1") = "6"
    & skf21("1","3","6","3","2","7","7","1") = "6"
    & skf21("1","3","6","3","3","1","1","1") = "5"
    & skf21("1","3","6","3","3","1","2","1") = "5"
    & skf21("1","3","6","3","3","1","3","1") = "5"
    & skf21("1","3","6","3","3","1","4","1") = "5"
    & skf21("1","3","6","3","3","1","5","1") = "5"
    & skf21("1","3","6","3","3","1","6","1") = "5"
    & skf21("1","3","6","3","3","1","7","1") = "6"
    & skf21("1","3","6","3","3","2","1","1") = "5"
    & skf21("1","3","6","3","3","2","2","1") = "5"
    & skf21("1","3","6","3","3","2","3","1") = "5"
    & skf21("1","3","6","3","3","2","4","1") = "5"
    & skf21("1","3","6","3","3","2","5","1") = "5"
    & skf21("1","3","6","3","3","2","6","1") = "5"
    & skf21("1","3","6","3","3","2","7","1") = "6"
    & skf21("1","3","6","3","3","3","1","1") = "5"
    & skf21("1","3","6","3","3","3","2","1") = "5"
    & skf21("1","3","6","3","3","3","3","1") = "5"
    & skf21("1","3","6","3","3","3","4","1") = "5"
    & skf21("1","3","6","3","3","3","5","1") = "5"
    & skf21("1","3","6","3","3","3","6","1") = "5"
    & skf21("1","3","6","3","3","3","7","1") = "6"
    & skf21("1","3","6","3","3","4","1","1") = "5"
    & skf21("1","3","6","3","3","4","2","1") = "5"
    & skf21("1","3","6","3","3","4","3","1") = "5"
    & skf21("1","3","6","3","3","4","4","1") = "5"
    & skf21("1","3","6","3","3","4","5","1") = "5"
    & skf21("1","3","6","3","3","4","6","1") = "5"
    & skf21("1","3","6","3","3","4","7","1") = "6"
    & skf21("1","3","6","3","3","5","1","1") = "5"
    & skf21("1","3","6","3","3","5","2","1") = "5"
    & skf21("1","3","6","3","3","5","3","1") = "5"
    & skf21("1","3","6","3","3","5","4","1") = "5"
    & skf21("1","3","6","3","3","5","5","1") = "5"
    & skf21("1","3","6","3","3","5","6","1") = "5"
    & skf21("1","3","6","3","3","5","7","1") = "6"
    & skf21("1","3","6","3","3","6","1","1") = "5"
    & skf21("1","3","6","3","3","6","2","1") = "5"
    & skf21("1","3","6","3","3","6","3","1") = "5"
    & skf21("1","3","6","3","3","6","4","1") = "5"
    & skf21("1","3","6","3","3","6","5","1") = "5"
    & skf21("1","3","6","3","3","6","6","1") = "5"
    & skf21("1","3","6","3","3","6","7","1") = "6"
    & skf21("1","3","6","3","3","7","1","1") = "6"
    & skf21("1","3","6","3","3","7","2","1") = "6"
    & skf21("1","3","6","3","3","7","3","1") = "6"
    & skf21("1","3","6","3","3","7","4","1") = "6"
    & skf21("1","3","6","3","3","7","5","1") = "6"
    & skf21("1","3","6","3","3","7","6","1") = "6"
    & skf21("1","3","6","3","3","7","7","1") = "6"
    & skf21("1","3","6","3","4","1","1","1") = "5"
    & skf21("1","3","6","3","4","1","2","1") = "5"
    & skf21("1","3","6","3","4","1","3","1") = "5"
    & skf21("1","3","6","3","4","1","4","1") = "5"
    & skf21("1","3","6","3","4","1","5","1") = "5"
    & skf21("1","3","6","3","4","1","6","1") = "5"
    & skf21("1","3","6","3","4","1","7","1") = "6"
    & skf21("1","3","6","3","4","2","1","1") = "5"
    & skf21("1","3","6","3","4","2","2","1") = "5"
    & skf21("1","3","6","3","4","2","3","1") = "5"
    & skf21("1","3","6","3","4","2","4","1") = "5"
    & skf21("1","3","6","3","4","2","5","1") = "5"
    & skf21("1","3","6","3","4","2","6","1") = "5"
    & skf21("1","3","6","3","4","2","7","1") = "6"
    & skf21("1","3","6","3","4","3","1","1") = "5"
    & skf21("1","3","6","3","4","3","2","1") = "5"
    & skf21("1","3","6","3","4","3","3","1") = "5"
    & skf21("1","3","6","3","4","3","4","1") = "5"
    & skf21("1","3","6","3","4","3","5","1") = "5"
    & skf21("1","3","6","3","4","3","6","1") = "5"
    & skf21("1","3","6","3","4","3","7","1") = "6"
    & skf21("1","3","6","3","4","4","1","1") = "5"
    & skf21("1","3","6","3","4","4","2","1") = "5"
    & skf21("1","3","6","3","4","4","3","1") = "5"
    & skf21("1","3","6","3","4","4","4","1") = "5"
    & skf21("1","3","6","3","4","4","5","1") = "5"
    & skf21("1","3","6","3","4","4","6","1") = "5"
    & skf21("1","3","6","3","4","4","7","1") = "6"
    & skf21("1","3","6","3","4","5","1","1") = "5"
    & skf21("1","3","6","3","4","5","2","1") = "5"
    & skf21("1","3","6","3","4","5","3","1") = "5"
    & skf21("1","3","6","3","4","5","4","1") = "5"
    & skf21("1","3","6","3","4","5","5","1") = "5"
    & skf21("1","3","6","3","4","5","6","1") = "5"
    & skf21("1","3","6","3","4","5","7","1") = "6"
    & skf21("1","3","6","3","4","6","1","1") = "5"
    & skf21("1","3","6","3","4","6","2","1") = "5"
    & skf21("1","3","6","3","4","6","3","1") = "5"
    & skf21("1","3","6","3","4","6","4","1") = "5"
    & skf21("1","3","6","3","4","6","5","1") = "5"
    & skf21("1","3","6","3","4","6","6","1") = "5"
    & skf21("1","3","6","3","4","6","7","1") = "6"
    & skf21("1","3","6","3","4","7","1","1") = "6"
    & skf21("1","3","6","3","4","7","2","1") = "6"
    & skf21("1","3","6","3","4","7","3","1") = "6"
    & skf21("1","3","6","3","4","7","4","1") = "6"
    & skf21("1","3","6","3","4","7","5","1") = "6"
    & skf21("1","3","6","3","4","7","6","1") = "6"
    & skf21("1","3","6","3","4","7","7","1") = "6"
    & skf21("1","3","6","3","5","1","1","1") = "5"
    & skf21("1","3","6","3","5","1","2","1") = "5"
    & skf21("1","3","6","3","5","1","3","1") = "5"
    & skf21("1","3","6","3","5","1","4","1") = "5"
    & skf21("1","3","6","3","5","1","5","1") = "5"
    & skf21("1","3","6","3","5","1","6","1") = "5"
    & skf21("1","3","6","3","5","1","7","1") = "6"
    & skf21("1","3","6","3","5","2","1","1") = "5"
    & skf21("1","3","6","3","5","2","2","1") = "5"
    & skf21("1","3","6","3","5","2","3","1") = "5"
    & skf21("1","3","6","3","5","2","4","1") = "5"
    & skf21("1","3","6","3","5","2","5","1") = "5"
    & skf21("1","3","6","3","5","2","6","1") = "5"
    & skf21("1","3","6","3","5","2","7","1") = "6"
    & skf21("1","3","6","3","5","3","1","1") = "5"
    & skf21("1","3","6","3","5","3","2","1") = "5"
    & skf21("1","3","6","3","5","3","3","1") = "5"
    & skf21("1","3","6","3","5","3","4","1") = "5"
    & skf21("1","3","6","3","5","3","5","1") = "5"
    & skf21("1","3","6","3","5","3","6","1") = "5"
    & skf21("1","3","6","3","5","3","7","1") = "6"
    & skf21("1","3","6","3","5","4","1","1") = "5"
    & skf21("1","3","6","3","5","4","2","1") = "5"
    & skf21("1","3","6","3","5","4","3","1") = "5"
    & skf21("1","3","6","3","5","4","4","1") = "5"
    & skf21("1","3","6","3","5","4","5","1") = "5"
    & skf21("1","3","6","3","5","4","6","1") = "5"
    & skf21("1","3","6","3","5","4","7","1") = "6"
    & skf21("1","3","6","3","5","5","1","1") = "5"
    & skf21("1","3","6","3","5","5","2","1") = "5"
    & skf21("1","3","6","3","5","5","3","1") = "5"
    & skf21("1","3","6","3","5","5","4","1") = "5"
    & skf21("1","3","6","3","5","5","5","1") = "5"
    & skf21("1","3","6","3","5","5","6","1") = "5"
    & skf21("1","3","6","3","5","5","7","1") = "6"
    & skf21("1","3","6","3","5","6","1","1") = "5"
    & skf21("1","3","6","3","5","6","2","1") = "5"
    & skf21("1","3","6","3","5","6","3","1") = "5"
    & skf21("1","3","6","3","5","6","4","1") = "5"
    & skf21("1","3","6","3","5","6","5","1") = "5"
    & skf21("1","3","6","3","5","6","6","1") = "5"
    & skf21("1","3","6","3","5","6","7","1") = "6"
    & skf21("1","3","6","3","5","7","1","1") = "6"
    & skf21("1","3","6","3","5","7","2","1") = "6"
    & skf21("1","3","6","3","5","7","3","1") = "6"
    & skf21("1","3","6","3","5","7","4","1") = "6"
    & skf21("1","3","6","3","5","7","5","1") = "6"
    & skf21("1","3","6","3","5","7","6","1") = "6"
    & skf21("1","3","6","3","5","7","7","1") = "6"
    & skf21("1","3","6","3","6","1","1","1") = "5"
    & skf21("1","3","6","3","6","1","2","1") = "5"
    & skf21("1","3","6","3","6","1","3","1") = "5"
    & skf21("1","3","6","3","6","1","4","1") = "5"
    & skf21("1","3","6","3","6","1","5","1") = "5"
    & skf21("1","3","6","3","6","1","6","1") = "5"
    & skf21("1","3","6","3","6","1","7","1") = "6"
    & skf21("1","3","6","3","6","2","1","1") = "5"
    & skf21("1","3","6","3","6","2","2","1") = "5"
    & skf21("1","3","6","3","6","2","3","1") = "5"
    & skf21("1","3","6","3","6","2","4","1") = "5"
    & skf21("1","3","6","3","6","2","5","1") = "5"
    & skf21("1","3","6","3","6","2","6","1") = "5"
    & skf21("1","3","6","3","6","2","7","1") = "6"
    & skf21("1","3","6","3","6","3","1","1") = "5"
    & skf21("1","3","6","3","6","3","2","1") = "5"
    & skf21("1","3","6","3","6","3","3","1") = "5"
    & skf21("1","3","6","3","6","3","4","1") = "5"
    & skf21("1","3","6","3","6","3","5","1") = "5"
    & skf21("1","3","6","3","6","3","6","1") = "5"
    & skf21("1","3","6","3","6","3","7","1") = "6"
    & skf21("1","3","6","3","6","4","1","1") = "5"
    & skf21("1","3","6","3","6","4","2","1") = "5"
    & skf21("1","3","6","3","6","4","3","1") = "5"
    & skf21("1","3","6","3","6","4","4","1") = "5"
    & skf21("1","3","6","3","6","4","5","1") = "5"
    & skf21("1","3","6","3","6","4","6","1") = "5"
    & skf21("1","3","6","3","6","4","7","1") = "6"
    & skf21("1","3","6","3","6","5","1","1") = "5"
    & skf21("1","3","6","3","6","5","2","1") = "5"
    & skf21("1","3","6","3","6","5","3","1") = "5"
    & skf21("1","3","6","3","6","5","4","1") = "5"
    & skf21("1","3","6","3","6","5","5","1") = "5"
    & skf21("1","3","6","3","6","5","6","1") = "5"
    & skf21("1","3","6","3","6","5","7","1") = "6"
    & skf21("1","3","6","3","6","6","1","1") = "5"
    & skf21("1","3","6","3","6","6","2","1") = "5"
    & skf21("1","3","6","3","6","6","3","1") = "5"
    & skf21("1","3","6","3","6","6","4","1") = "5"
    & skf21("1","3","6","3","6","6","5","1") = "5"
    & skf21("1","3","6","3","6","6","6","1") = "5"
    & skf21("1","3","6","3","6","6","7","1") = "6"
    & skf21("1","3","6","3","6","7","1","1") = "6"
    & skf21("1","3","6","3","6","7","2","1") = "6"
    & skf21("1","3","6","3","6","7","3","1") = "6"
    & skf21("1","3","6","3","6","7","4","1") = "6"
    & skf21("1","3","6","3","6","7","5","1") = "6"
    & skf21("1","3","6","3","6","7","6","1") = "6"
    & skf21("1","3","6","3","6","7","7","1") = "6"
    & skf21("1","3","6","3","7","1","1","1") = "6"
    & skf21("1","3","6","3","7","1","2","1") = "6"
    & skf21("1","3","6","3","7","1","3","1") = "6"
    & skf21("1","3","6","3","7","1","4","1") = "6"
    & skf21("1","3","6","3","7","1","5","1") = "6"
    & skf21("1","3","6","3","7","1","6","1") = "6"
    & skf21("1","3","6","3","7","1","7","1") = "6"
    & skf21("1","3","6","3","7","2","1","1") = "6"
    & skf21("1","3","6","3","7","2","2","1") = "6"
    & skf21("1","3","6","3","7","2","3","1") = "6"
    & skf21("1","3","6","3","7","2","4","1") = "6"
    & skf21("1","3","6","3","7","2","5","1") = "6"
    & skf21("1","3","6","3","7","2","6","1") = "6"
    & skf21("1","3","6","3","7","2","7","1") = "6"
    & skf21("1","3","6","3","7","3","1","1") = "6"
    & skf21("1","3","6","3","7","3","2","1") = "6"
    & skf21("1","3","6","3","7","3","3","1") = "6"
    & skf21("1","3","6","3","7","3","4","1") = "6"
    & skf21("1","3","6","3","7","3","5","1") = "6"
    & skf21("1","3","6","3","7","3","6","1") = "6"
    & skf21("1","3","6","3","7","3","7","1") = "6"
    & skf21("1","3","6","3","7","4","1","1") = "6"
    & skf21("1","3","6","3","7","4","2","1") = "6"
    & skf21("1","3","6","3","7","4","3","1") = "6"
    & skf21("1","3","6","3","7","4","4","1") = "6"
    & skf21("1","3","6","3","7","4","5","1") = "6"
    & skf21("1","3","6","3","7","4","6","1") = "6"
    & skf21("1","3","6","3","7","4","7","1") = "6"
    & skf21("1","3","6","3","7","5","1","1") = "6"
    & skf21("1","3","6","3","7","5","2","1") = "6"
    & skf21("1","3","6","3","7","5","3","1") = "6"
    & skf21("1","3","6","3","7","5","4","1") = "6"
    & skf21("1","3","6","3","7","5","5","1") = "6"
    & skf21("1","3","6","3","7","5","6","1") = "6"
    & skf21("1","3","6","3","7","5","7","1") = "6"
    & skf21("1","3","6","3","7","6","1","1") = "6"
    & skf21("1","3","6","3","7","6","2","1") = "6"
    & skf21("1","3","6","3","7","6","3","1") = "6"
    & skf21("1","3","6","3","7","6","4","1") = "6"
    & skf21("1","3","6","3","7","6","5","1") = "6"
    & skf21("1","3","6","3","7","6","6","1") = "6"
    & skf21("1","3","6","3","7","6","7","1") = "6"
    & skf21("1","3","6","3","7","7","1","1") = "6"
    & skf21("1","3","6","3","7","7","2","1") = "6"
    & skf21("1","3","6","3","7","7","3","1") = "6"
    & skf21("1","3","6","3","7","7","4","1") = "6"
    & skf21("1","3","6","3","7","7","5","1") = "6"
    & skf21("1","3","6","3","7","7","6","1") = "6"
    & skf21("1","3","6","3","7","7","7","1") = "6"
    & skf21("1","3","6","4","1","1","1","1") = "5"
    & skf21("1","3","6","4","1","1","2","1") = "5"
    & skf21("1","3","6","4","1","1","3","1") = "5"
    & skf21("1","3","6","4","1","1","4","1") = "5"
    & skf21("1","3","6","4","1","1","5","1") = "5"
    & skf21("1","3","6","4","1","1","6","1") = "5"
    & skf21("1","3","6","4","1","1","7","1") = "6"
    & skf21("1","3","6","4","1","2","1","1") = "5"
    & skf21("1","3","6","4","1","2","2","1") = "5"
    & skf21("1","3","6","4","1","2","3","1") = "5"
    & skf21("1","3","6","4","1","2","4","1") = "5"
    & skf21("1","3","6","4","1","2","5","1") = "5"
    & skf21("1","3","6","4","1","2","6","1") = "5"
    & skf21("1","3","6","4","1","2","7","1") = "6"
    & skf21("1","3","6","4","1","3","1","1") = "5"
    & skf21("1","3","6","4","1","3","2","1") = "5"
    & skf21("1","3","6","4","1","3","3","1") = "5"
    & skf21("1","3","6","4","1","3","4","1") = "5"
    & skf21("1","3","6","4","1","3","5","1") = "5"
    & skf21("1","3","6","4","1","3","6","1") = "5"
    & skf21("1","3","6","4","1","3","7","1") = "6"
    & skf21("1","3","6","4","1","4","1","1") = "5"
    & skf21("1","3","6","4","1","4","2","1") = "5"
    & skf21("1","3","6","4","1","4","3","1") = "5"
    & skf21("1","3","6","4","1","4","4","1") = "5"
    & skf21("1","3","6","4","1","4","5","1") = "5"
    & skf21("1","3","6","4","1","4","6","1") = "5"
    & skf21("1","3","6","4","1","4","7","1") = "6"
    & skf21("1","3","6","4","1","5","1","1") = "5"
    & skf21("1","3","6","4","1","5","2","1") = "5"
    & skf21("1","3","6","4","1","5","3","1") = "5"
    & skf21("1","3","6","4","1","5","4","1") = "5"
    & skf21("1","3","6","4","1","5","5","1") = "5"
    & skf21("1","3","6","4","1","5","6","1") = "5"
    & skf21("1","3","6","4","1","5","7","1") = "6"
    & skf21("1","3","6","4","1","6","1","1") = "5"
    & skf21("1","3","6","4","1","6","2","1") = "5"
    & skf21("1","3","6","4","1","6","3","1") = "5"
    & skf21("1","3","6","4","1","6","4","1") = "5"
    & skf21("1","3","6","4","1","6","5","1") = "5"
    & skf21("1","3","6","4","1","6","6","1") = "5"
    & skf21("1","3","6","4","1","6","7","1") = "6"
    & skf21("1","3","6","4","1","7","1","1") = "6"
    & skf21("1","3","6","4","1","7","2","1") = "6"
    & skf21("1","3","6","4","1","7","3","1") = "6"
    & skf21("1","3","6","4","1","7","4","1") = "6"
    & skf21("1","3","6","4","1","7","5","1") = "6"
    & skf21("1","3","6","4","1","7","6","1") = "6"
    & skf21("1","3","6","4","1","7","7","1") = "6"
    & skf21("1","3","6","4","2","1","1","1") = "5"
    & skf21("1","3","6","4","2","1","2","1") = "5"
    & skf21("1","3","6","4","2","1","3","1") = "5"
    & skf21("1","3","6","4","2","1","4","1") = "5"
    & skf21("1","3","6","4","2","1","5","1") = "5"
    & skf21("1","3","6","4","2","1","6","1") = "5"
    & skf21("1","3","6","4","2","1","7","1") = "6"
    & skf21("1","3","6","4","2","2","1","1") = "5"
    & skf21("1","3","6","4","2","2","2","1") = "5"
    & skf21("1","3","6","4","2","2","3","1") = "5"
    & skf21("1","3","6","4","2","2","4","1") = "5"
    & skf21("1","3","6","4","2","2","5","1") = "5"
    & skf21("1","3","6","4","2","2","6","1") = "5"
    & skf21("1","3","6","4","2","2","7","1") = "6"
    & skf21("1","3","6","4","2","3","1","1") = "5"
    & skf21("1","3","6","4","2","3","2","1") = "5"
    & skf21("1","3","6","4","2","3","3","1") = "5"
    & skf21("1","3","6","4","2","3","4","1") = "5"
    & skf21("1","3","6","4","2","3","5","1") = "5"
    & skf21("1","3","6","4","2","3","6","1") = "5"
    & skf21("1","3","6","4","2","3","7","1") = "6"
    & skf21("1","3","6","4","2","4","1","1") = "5"
    & skf21("1","3","6","4","2","4","2","1") = "5"
    & skf21("1","3","6","4","2","4","3","1") = "5"
    & skf21("1","3","6","4","2","4","4","1") = "5"
    & skf21("1","3","6","4","2","4","5","1") = "5"
    & skf21("1","3","6","4","2","4","6","1") = "5"
    & skf21("1","3","6","4","2","4","7","1") = "6"
    & skf21("1","3","6","4","2","5","1","1") = "5"
    & skf21("1","3","6","4","2","5","2","1") = "5"
    & skf21("1","3","6","4","2","5","3","1") = "5"
    & skf21("1","3","6","4","2","5","4","1") = "5"
    & skf21("1","3","6","4","2","5","5","1") = "5"
    & skf21("1","3","6","4","2","5","6","1") = "5"
    & skf21("1","3","6","4","2","5","7","1") = "6"
    & skf21("1","3","6","4","2","6","1","1") = "5"
    & skf21("1","3","6","4","2","6","2","1") = "5"
    & skf21("1","3","6","4","2","6","3","1") = "5"
    & skf21("1","3","6","4","2","6","4","1") = "5"
    & skf21("1","3","6","4","2","6","5","1") = "5"
    & skf21("1","3","6","4","2","6","6","1") = "5"
    & skf21("1","3","6","4","2","6","7","1") = "6"
    & skf21("1","3","6","4","2","7","1","1") = "6"
    & skf21("1","3","6","4","2","7","2","1") = "6"
    & skf21("1","3","6","4","2","7","3","1") = "6"
    & skf21("1","3","6","4","2","7","4","1") = "6"
    & skf21("1","3","6","4","2","7","5","1") = "6"
    & skf21("1","3","6","4","2","7","6","1") = "6"
    & skf21("1","3","6","4","2","7","7","1") = "6"
    & skf21("1","3","6","4","3","1","1","1") = "5"
    & skf21("1","3","6","4","3","1","2","1") = "5"
    & skf21("1","3","6","4","3","1","3","1") = "5"
    & skf21("1","3","6","4","3","1","4","1") = "5"
    & skf21("1","3","6","4","3","1","5","1") = "5"
    & skf21("1","3","6","4","3","1","6","1") = "5"
    & skf21("1","3","6","4","3","1","7","1") = "6"
    & skf21("1","3","6","4","3","2","1","1") = "5"
    & skf21("1","3","6","4","3","2","2","1") = "5"
    & skf21("1","3","6","4","3","2","3","1") = "5"
    & skf21("1","3","6","4","3","2","4","1") = "5"
    & skf21("1","3","6","4","3","2","5","1") = "5"
    & skf21("1","3","6","4","3","2","6","1") = "5"
    & skf21("1","3","6","4","3","2","7","1") = "6"
    & skf21("1","3","6","4","3","3","1","1") = "5"
    & skf21("1","3","6","4","3","3","2","1") = "5"
    & skf21("1","3","6","4","3","3","3","1") = "5"
    & skf21("1","3","6","4","3","3","4","1") = "5"
    & skf21("1","3","6","4","3","3","5","1") = "5"
    & skf21("1","3","6","4","3","3","6","1") = "5"
    & skf21("1","3","6","4","3","3","7","1") = "6"
    & skf21("1","3","6","4","3","4","1","1") = "5"
    & skf21("1","3","6","4","3","4","2","1") = "5"
    & skf21("1","3","6","4","3","4","3","1") = "5"
    & skf21("1","3","6","4","3","4","4","1") = "5"
    & skf21("1","3","6","4","3","4","5","1") = "5"
    & skf21("1","3","6","4","3","4","6","1") = "5"
    & skf21("1","3","6","4","3","4","7","1") = "6"
    & skf21("1","3","6","4","3","5","1","1") = "5"
    & skf21("1","3","6","4","3","5","2","1") = "5"
    & skf21("1","3","6","4","3","5","3","1") = "5"
    & skf21("1","3","6","4","3","5","4","1") = "5"
    & skf21("1","3","6","4","3","5","5","1") = "5"
    & skf21("1","3","6","4","3","5","6","1") = "5"
    & skf21("1","3","6","4","3","5","7","1") = "6"
    & skf21("1","3","6","4","3","6","1","1") = "5"
    & skf21("1","3","6","4","3","6","2","1") = "5"
    & skf21("1","3","6","4","3","6","3","1") = "5"
    & skf21("1","3","6","4","3","6","4","1") = "5"
    & skf21("1","3","6","4","3","6","5","1") = "5"
    & skf21("1","3","6","4","3","6","6","1") = "5"
    & skf21("1","3","6","4","3","6","7","1") = "6"
    & skf21("1","3","6","4","3","7","1","1") = "6"
    & skf21("1","3","6","4","3","7","2","1") = "6"
    & skf21("1","3","6","4","3","7","3","1") = "6"
    & skf21("1","3","6","4","3","7","4","1") = "6"
    & skf21("1","3","6","4","3","7","5","1") = "6"
    & skf21("1","3","6","4","3","7","6","1") = "6"
    & skf21("1","3","6","4","3","7","7","1") = "6"
    & skf21("1","3","6","4","4","1","1","1") = "5"
    & skf21("1","3","6","4","4","1","2","1") = "5"
    & skf21("1","3","6","4","4","1","3","1") = "5"
    & skf21("1","3","6","4","4","1","4","1") = "5"
    & skf21("1","3","6","4","4","1","5","1") = "5"
    & skf21("1","3","6","4","4","1","6","1") = "5"
    & skf21("1","3","6","4","4","1","7","1") = "6"
    & skf21("1","3","6","4","4","2","1","1") = "5"
    & skf21("1","3","6","4","4","2","2","1") = "5"
    & skf21("1","3","6","4","4","2","3","1") = "5"
    & skf21("1","3","6","4","4","2","4","1") = "5"
    & skf21("1","3","6","4","4","2","5","1") = "5"
    & skf21("1","3","6","4","4","2","6","1") = "5"
    & skf21("1","3","6","4","4","2","7","1") = "6"
    & skf21("1","3","6","4","4","3","1","1") = "5"
    & skf21("1","3","6","4","4","3","2","1") = "5"
    & skf21("1","3","6","4","4","3","3","1") = "5"
    & skf21("1","3","6","4","4","3","4","1") = "5"
    & skf21("1","3","6","4","4","3","5","1") = "5"
    & skf21("1","3","6","4","4","3","6","1") = "5"
    & skf21("1","3","6","4","4","3","7","1") = "6"
    & skf21("1","3","6","4","4","4","1","1") = "5"
    & skf21("1","3","6","4","4","4","2","1") = "5"
    & skf21("1","3","6","4","4","4","3","1") = "5"
    & skf21("1","3","6","4","4","4","4","1") = "5"
    & skf21("1","3","6","4","4","4","5","1") = "5"
    & skf21("1","3","6","4","4","4","6","1") = "5"
    & skf21("1","3","6","4","4","4","7","1") = "6"
    & skf21("1","3","6","4","4","5","1","1") = "5"
    & skf21("1","3","6","4","4","5","2","1") = "5"
    & skf21("1","3","6","4","4","5","3","1") = "5"
    & skf21("1","3","6","4","4","5","4","1") = "5"
    & skf21("1","3","6","4","4","5","5","1") = "5"
    & skf21("1","3","6","4","4","5","6","1") = "5"
    & skf21("1","3","6","4","4","5","7","1") = "6"
    & skf21("1","3","6","4","4","6","1","1") = "5"
    & skf21("1","3","6","4","4","6","2","1") = "5"
    & skf21("1","3","6","4","4","6","3","1") = "5"
    & skf21("1","3","6","4","4","6","4","1") = "5"
    & skf21("1","3","6","4","4","6","5","1") = "5"
    & skf21("1","3","6","4","4","6","6","1") = "5"
    & skf21("1","3","6","4","4","6","7","1") = "6"
    & skf21("1","3","6","4","4","7","1","1") = "6"
    & skf21("1","3","6","4","4","7","2","1") = "6"
    & skf21("1","3","6","4","4","7","3","1") = "6"
    & skf21("1","3","6","4","4","7","4","1") = "6"
    & skf21("1","3","6","4","4","7","5","1") = "6"
    & skf21("1","3","6","4","4","7","6","1") = "6"
    & skf21("1","3","6","4","4","7","7","1") = "6"
    & skf21("1","3","6","4","5","1","1","1") = "5"
    & skf21("1","3","6","4","5","1","2","1") = "5"
    & skf21("1","3","6","4","5","1","3","1") = "5"
    & skf21("1","3","6","4","5","1","4","1") = "5"
    & skf21("1","3","6","4","5","1","5","1") = "5"
    & skf21("1","3","6","4","5","1","6","1") = "5"
    & skf21("1","3","6","4","5","1","7","1") = "6"
    & skf21("1","3","6","4","5","2","1","1") = "5"
    & skf21("1","3","6","4","5","2","2","1") = "5"
    & skf21("1","3","6","4","5","2","3","1") = "5"
    & skf21("1","3","6","4","5","2","4","1") = "5"
    & skf21("1","3","6","4","5","2","5","1") = "5"
    & skf21("1","3","6","4","5","2","6","1") = "5"
    & skf21("1","3","6","4","5","2","7","1") = "6"
    & skf21("1","3","6","4","5","3","1","1") = "5"
    & skf21("1","3","6","4","5","3","2","1") = "5"
    & skf21("1","3","6","4","5","3","3","1") = "5"
    & skf21("1","3","6","4","5","3","4","1") = "5"
    & skf21("1","3","6","4","5","3","5","1") = "5"
    & skf21("1","3","6","4","5","3","6","1") = "5"
    & skf21("1","3","6","4","5","3","7","1") = "6"
    & skf21("1","3","6","4","5","4","1","1") = "5"
    & skf21("1","3","6","4","5","4","2","1") = "5"
    & skf21("1","3","6","4","5","4","3","1") = "5"
    & skf21("1","3","6","4","5","4","4","1") = "5"
    & skf21("1","3","6","4","5","4","5","1") = "5"
    & skf21("1","3","6","4","5","4","6","1") = "5"
    & skf21("1","3","6","4","5","4","7","1") = "6"
    & skf21("1","3","6","4","5","5","1","1") = "5"
    & skf21("1","3","6","4","5","5","2","1") = "5"
    & skf21("1","3","6","4","5","5","3","1") = "5"
    & skf21("1","3","6","4","5","5","4","1") = "5"
    & skf21("1","3","6","4","5","5","5","1") = "5"
    & skf21("1","3","6","4","5","5","6","1") = "5"
    & skf21("1","3","6","4","5","5","7","1") = "6"
    & skf21("1","3","6","4","5","6","1","1") = "5"
    & skf21("1","3","6","4","5","6","2","1") = "5"
    & skf21("1","3","6","4","5","6","3","1") = "5"
    & skf21("1","3","6","4","5","6","4","1") = "5"
    & skf21("1","3","6","4","5","6","5","1") = "5"
    & skf21("1","3","6","4","5","6","6","1") = "5"
    & skf21("1","3","6","4","5","6","7","1") = "6"
    & skf21("1","3","6","4","5","7","1","1") = "6"
    & skf21("1","3","6","4","5","7","2","1") = "6"
    & skf21("1","3","6","4","5","7","3","1") = "6"
    & skf21("1","3","6","4","5","7","4","1") = "6"
    & skf21("1","3","6","4","5","7","5","1") = "6"
    & skf21("1","3","6","4","5","7","6","1") = "6"
    & skf21("1","3","6","4","5","7","7","1") = "6"
    & skf21("1","3","6","4","6","1","1","1") = "5"
    & skf21("1","3","6","4","6","1","2","1") = "5"
    & skf21("1","3","6","4","6","1","3","1") = "5"
    & skf21("1","3","6","4","6","1","4","1") = "5"
    & skf21("1","3","6","4","6","1","5","1") = "5"
    & skf21("1","3","6","4","6","1","6","1") = "5"
    & skf21("1","3","6","4","6","1","7","1") = "6"
    & skf21("1","3","6","4","6","2","1","1") = "5"
    & skf21("1","3","6","4","6","2","2","1") = "5"
    & skf21("1","3","6","4","6","2","3","1") = "5"
    & skf21("1","3","6","4","6","2","4","1") = "5"
    & skf21("1","3","6","4","6","2","5","1") = "5"
    & skf21("1","3","6","4","6","2","6","1") = "5"
    & skf21("1","3","6","4","6","2","7","1") = "6"
    & skf21("1","3","6","4","6","3","1","1") = "5"
    & skf21("1","3","6","4","6","3","2","1") = "5"
    & skf21("1","3","6","4","6","3","3","1") = "5"
    & skf21("1","3","6","4","6","3","4","1") = "5"
    & skf21("1","3","6","4","6","3","5","1") = "5"
    & skf21("1","3","6","4","6","3","6","1") = "5"
    & skf21("1","3","6","4","6","3","7","1") = "6"
    & skf21("1","3","6","4","6","4","1","1") = "5"
    & skf21("1","3","6","4","6","4","2","1") = "5"
    & skf21("1","3","6","4","6","4","3","1") = "5"
    & skf21("1","3","6","4","6","4","4","1") = "5"
    & skf21("1","3","6","4","6","4","5","1") = "5"
    & skf21("1","3","6","4","6","4","6","1") = "5"
    & skf21("1","3","6","4","6","4","7","1") = "6"
    & skf21("1","3","6","4","6","5","1","1") = "5"
    & skf21("1","3","6","4","6","5","2","1") = "5"
    & skf21("1","3","6","4","6","5","3","1") = "5"
    & skf21("1","3","6","4","6","5","4","1") = "5"
    & skf21("1","3","6","4","6","5","5","1") = "5"
    & skf21("1","3","6","4","6","5","6","1") = "5"
    & skf21("1","3","6","4","6","5","7","1") = "6"
    & skf21("1","3","6","4","6","6","1","1") = "5"
    & skf21("1","3","6","4","6","6","2","1") = "5"
    & skf21("1","3","6","4","6","6","3","1") = "5"
    & skf21("1","3","6","4","6","6","4","1") = "5"
    & skf21("1","3","6","4","6","6","5","1") = "5"
    & skf21("1","3","6","4","6","6","6","1") = "5"
    & skf21("1","3","6","4","6","6","7","1") = "6"
    & skf21("1","3","6","4","6","7","1","1") = "6"
    & skf21("1","3","6","4","6","7","2","1") = "6"
    & skf21("1","3","6","4","6","7","3","1") = "6"
    & skf21("1","3","6","4","6","7","4","1") = "6"
    & skf21("1","3","6","4","6","7","5","1") = "6"
    & skf21("1","3","6","4","6","7","6","1") = "6"
    & skf21("1","3","6","4","6","7","7","1") = "6"
    & skf21("1","3","6","4","7","1","1","1") = "6"
    & skf21("1","3","6","4","7","1","2","1") = "6"
    & skf21("1","3","6","4","7","1","3","1") = "6"
    & skf21("1","3","6","4","7","1","4","1") = "6"
    & skf21("1","3","6","4","7","1","5","1") = "6"
    & skf21("1","3","6","4","7","1","6","1") = "6"
    & skf21("1","3","6","4","7","1","7","1") = "6"
    & skf21("1","3","6","4","7","2","1","1") = "6"
    & skf21("1","3","6","4","7","2","2","1") = "6"
    & skf21("1","3","6","4","7","2","3","1") = "6"
    & skf21("1","3","6","4","7","2","4","1") = "6"
    & skf21("1","3","6","4","7","2","5","1") = "6"
    & skf21("1","3","6","4","7","2","6","1") = "6"
    & skf21("1","3","6","4","7","2","7","1") = "6"
    & skf21("1","3","6","4","7","3","1","1") = "6"
    & skf21("1","3","6","4","7","3","2","1") = "6"
    & skf21("1","3","6","4","7","3","3","1") = "6"
    & skf21("1","3","6","4","7","3","4","1") = "6"
    & skf21("1","3","6","4","7","3","5","1") = "6"
    & skf21("1","3","6","4","7","3","6","1") = "6"
    & skf21("1","3","6","4","7","3","7","1") = "6"
    & skf21("1","3","6","4","7","4","1","1") = "6"
    & skf21("1","3","6","4","7","4","2","1") = "6"
    & skf21("1","3","6","4","7","4","3","1") = "6"
    & skf21("1","3","6","4","7","4","4","1") = "6"
    & skf21("1","3","6","4","7","4","5","1") = "6"
    & skf21("1","3","6","4","7","4","6","1") = "6"
    & skf21("1","3","6","4","7","4","7","1") = "6"
    & skf21("1","3","6","4","7","5","1","1") = "6"
    & skf21("1","3","6","4","7","5","2","1") = "6"
    & skf21("1","3","6","4","7","5","3","1") = "6"
    & skf21("1","3","6","4","7","5","4","1") = "6"
    & skf21("1","3","6","4","7","5","5","1") = "6"
    & skf21("1","3","6","4","7","5","6","1") = "6"
    & skf21("1","3","6","4","7","5","7","1") = "6"
    & skf21("1","3","6","4","7","6","1","1") = "6"
    & skf21("1","3","6","4","7","6","2","1") = "6"
    & skf21("1","3","6","4","7","6","3","1") = "6"
    & skf21("1","3","6","4","7","6","4","1") = "6"
    & skf21("1","3","6","4","7","6","5","1") = "6"
    & skf21("1","3","6","4","7","6","6","1") = "6"
    & skf21("1","3","6","4","7","6","7","1") = "6"
    & skf21("1","3","6","4","7","7","1","1") = "6"
    & skf21("1","3","6","4","7","7","2","1") = "6"
    & skf21("1","3","6","4","7","7","3","1") = "6"
    & skf21("1","3","6","4","7","7","4","1") = "6"
    & skf21("1","3","6","4","7","7","5","1") = "6"
    & skf21("1","3","6","4","7","7","6","1") = "6"
    & skf21("1","3","6","4","7","7","7","1") = "6"
    & skf21("1","3","6","5","1","1","1","1") = "5"
    & skf21("1","3","6","5","1","1","2","1") = "5"
    & skf21("1","3","6","5","1","1","3","1") = "5"
    & skf21("1","3","6","5","1","1","4","1") = "5"
    & skf21("1","3","6","5","1","1","5","1") = "5"
    & skf21("1","3","6","5","1","1","6","1") = "5"
    & skf21("1","3","6","5","1","1","7","1") = "6"
    & skf21("1","3","6","5","1","2","1","1") = "5"
    & skf21("1","3","6","5","1","2","2","1") = "5"
    & skf21("1","3","6","5","1","2","3","1") = "5"
    & skf21("1","3","6","5","1","2","4","1") = "5"
    & skf21("1","3","6","5","1","2","5","1") = "5"
    & skf21("1","3","6","5","1","2","6","1") = "5"
    & skf21("1","3","6","5","1","2","7","1") = "6"
    & skf21("1","3","6","5","1","3","1","1") = "5"
    & skf21("1","3","6","5","1","3","2","1") = "5"
    & skf21("1","3","6","5","1","3","3","1") = "5"
    & skf21("1","3","6","5","1","3","4","1") = "5"
    & skf21("1","3","6","5","1","3","5","1") = "5"
    & skf21("1","3","6","5","1","3","6","1") = "5"
    & skf21("1","3","6","5","1","3","7","1") = "6"
    & skf21("1","3","6","5","1","4","1","1") = "5"
    & skf21("1","3","6","5","1","4","2","1") = "5"
    & skf21("1","3","6","5","1","4","3","1") = "5"
    & skf21("1","3","6","5","1","4","4","1") = "5"
    & skf21("1","3","6","5","1","4","5","1") = "5"
    & skf21("1","3","6","5","1","4","6","1") = "5"
    & skf21("1","3","6","5","1","4","7","1") = "6"
    & skf21("1","3","6","5","1","5","1","1") = "5"
    & skf21("1","3","6","5","1","5","2","1") = "5"
    & skf21("1","3","6","5","1","5","3","1") = "5"
    & skf21("1","3","6","5","1","5","4","1") = "5"
    & skf21("1","3","6","5","1","5","5","1") = "5"
    & skf21("1","3","6","5","1","5","6","1") = "5"
    & skf21("1","3","6","5","1","5","7","1") = "6"
    & skf21("1","3","6","5","1","6","1","1") = "5"
    & skf21("1","3","6","5","1","6","2","1") = "5"
    & skf21("1","3","6","5","1","6","3","1") = "5"
    & skf21("1","3","6","5","1","6","4","1") = "5"
    & skf21("1","3","6","5","1","6","5","1") = "5"
    & skf21("1","3","6","5","1","6","6","1") = "5"
    & skf21("1","3","6","5","1","6","7","1") = "6"
    & skf21("1","3","6","5","1","7","1","1") = "6"
    & skf21("1","3","6","5","1","7","2","1") = "6"
    & skf21("1","3","6","5","1","7","3","1") = "6"
    & skf21("1","3","6","5","1","7","4","1") = "6"
    & skf21("1","3","6","5","1","7","5","1") = "6"
    & skf21("1","3","6","5","1","7","6","1") = "6"
    & skf21("1","3","6","5","1","7","7","1") = "6"
    & skf21("1","3","6","5","2","1","1","1") = "5"
    & skf21("1","3","6","5","2","1","2","1") = "5"
    & skf21("1","3","6","5","2","1","3","1") = "5"
    & skf21("1","3","6","5","2","1","4","1") = "5"
    & skf21("1","3","6","5","2","1","5","1") = "5"
    & skf21("1","3","6","5","2","1","6","1") = "5"
    & skf21("1","3","6","5","2","1","7","1") = "6"
    & skf21("1","3","6","5","2","2","1","1") = "5"
    & skf21("1","3","6","5","2","2","2","1") = "5"
    & skf21("1","3","6","5","2","2","3","1") = "5"
    & skf21("1","3","6","5","2","2","4","1") = "5"
    & skf21("1","3","6","5","2","2","5","1") = "5"
    & skf21("1","3","6","5","2","2","6","1") = "5"
    & skf21("1","3","6","5","2","2","7","1") = "6"
    & skf21("1","3","6","5","2","3","1","1") = "5"
    & skf21("1","3","6","5","2","3","2","1") = "5"
    & skf21("1","3","6","5","2","3","3","1") = "5"
    & skf21("1","3","6","5","2","3","4","1") = "5"
    & skf21("1","3","6","5","2","3","5","1") = "5"
    & skf21("1","3","6","5","2","3","6","1") = "5"
    & skf21("1","3","6","5","2","3","7","1") = "6"
    & skf21("1","3","6","5","2","4","1","1") = "5"
    & skf21("1","3","6","5","2","4","2","1") = "5"
    & skf21("1","3","6","5","2","4","3","1") = "5"
    & skf21("1","3","6","5","2","4","4","1") = "5"
    & skf21("1","3","6","5","2","4","5","1") = "5"
    & skf21("1","3","6","5","2","4","6","1") = "5"
    & skf21("1","3","6","5","2","4","7","1") = "6"
    & skf21("1","3","6","5","2","5","1","1") = "5"
    & skf21("1","3","6","5","2","5","2","1") = "5"
    & skf21("1","3","6","5","2","5","3","1") = "5"
    & skf21("1","3","6","5","2","5","4","1") = "5"
    & skf21("1","3","6","5","2","5","5","1") = "5"
    & skf21("1","3","6","5","2","5","6","1") = "5"
    & skf21("1","3","6","5","2","5","7","1") = "6"
    & skf21("1","3","6","5","2","6","1","1") = "5"
    & skf21("1","3","6","5","2","6","2","1") = "5"
    & skf21("1","3","6","5","2","6","3","1") = "5"
    & skf21("1","3","6","5","2","6","4","1") = "5"
    & skf21("1","3","6","5","2","6","5","1") = "5"
    & skf21("1","3","6","5","2","6","6","1") = "5"
    & skf21("1","3","6","5","2","6","7","1") = "6"
    & skf21("1","3","6","5","2","7","1","1") = "6"
    & skf21("1","3","6","5","2","7","2","1") = "6"
    & skf21("1","3","6","5","2","7","3","1") = "6"
    & skf21("1","3","6","5","2","7","4","1") = "6"
    & skf21("1","3","6","5","2","7","5","1") = "6"
    & skf21("1","3","6","5","2","7","6","1") = "6"
    & skf21("1","3","6","5","2","7","7","1") = "6"
    & skf21("1","3","6","5","3","1","1","1") = "5"
    & skf21("1","3","6","5","3","1","2","1") = "5"
    & skf21("1","3","6","5","3","1","3","1") = "5"
    & skf21("1","3","6","5","3","1","4","1") = "5"
    & skf21("1","3","6","5","3","1","5","1") = "5"
    & skf21("1","3","6","5","3","1","6","1") = "5"
    & skf21("1","3","6","5","3","1","7","1") = "6"
    & skf21("1","3","6","5","3","2","1","1") = "5"
    & skf21("1","3","6","5","3","2","2","1") = "5"
    & skf21("1","3","6","5","3","2","3","1") = "5"
    & skf21("1","3","6","5","3","2","4","1") = "5"
    & skf21("1","3","6","5","3","2","5","1") = "5"
    & skf21("1","3","6","5","3","2","6","1") = "5"
    & skf21("1","3","6","5","3","2","7","1") = "6"
    & skf21("1","3","6","5","3","3","1","1") = "5"
    & skf21("1","3","6","5","3","3","2","1") = "5"
    & skf21("1","3","6","5","3","3","3","1") = "5"
    & skf21("1","3","6","5","3","3","4","1") = "5"
    & skf21("1","3","6","5","3","3","5","1") = "5"
    & skf21("1","3","6","5","3","3","6","1") = "5"
    & skf21("1","3","6","5","3","3","7","1") = "6"
    & skf21("1","3","6","5","3","4","1","1") = "5"
    & skf21("1","3","6","5","3","4","2","1") = "5"
    & skf21("1","3","6","5","3","4","3","1") = "5"
    & skf21("1","3","6","5","3","4","4","1") = "5"
    & skf21("1","3","6","5","3","4","5","1") = "5"
    & skf21("1","3","6","5","3","4","6","1") = "5"
    & skf21("1","3","6","5","3","4","7","1") = "6"
    & skf21("1","3","6","5","3","5","1","1") = "5"
    & skf21("1","3","6","5","3","5","2","1") = "5"
    & skf21("1","3","6","5","3","5","3","1") = "5"
    & skf21("1","3","6","5","3","5","4","1") = "5"
    & skf21("1","3","6","5","3","5","5","1") = "5"
    & skf21("1","3","6","5","3","5","6","1") = "5"
    & skf21("1","3","6","5","3","5","7","1") = "6"
    & skf21("1","3","6","5","3","6","1","1") = "5"
    & skf21("1","3","6","5","3","6","2","1") = "5"
    & skf21("1","3","6","5","3","6","3","1") = "5"
    & skf21("1","3","6","5","3","6","4","1") = "5"
    & skf21("1","3","6","5","3","6","5","1") = "5"
    & skf21("1","3","6","5","3","6","6","1") = "5"
    & skf21("1","3","6","5","3","6","7","1") = "6"
    & skf21("1","3","6","5","3","7","1","1") = "6"
    & skf21("1","3","6","5","3","7","2","1") = "6"
    & skf21("1","3","6","5","3","7","3","1") = "6"
    & skf21("1","3","6","5","3","7","4","1") = "6"
    & skf21("1","3","6","5","3","7","5","1") = "6"
    & skf21("1","3","6","5","3","7","6","1") = "6"
    & skf21("1","3","6","5","3","7","7","1") = "6"
    & skf21("1","3","6","5","4","1","1","1") = "5"
    & skf21("1","3","6","5","4","1","2","1") = "5"
    & skf21("1","3","6","5","4","1","3","1") = "5"
    & skf21("1","3","6","5","4","1","4","1") = "5"
    & skf21("1","3","6","5","4","1","5","1") = "5"
    & skf21("1","3","6","5","4","1","6","1") = "5"
    & skf21("1","3","6","5","4","1","7","1") = "6"
    & skf21("1","3","6","5","4","2","1","1") = "5"
    & skf21("1","3","6","5","4","2","2","1") = "5"
    & skf21("1","3","6","5","4","2","3","1") = "5"
    & skf21("1","3","6","5","4","2","4","1") = "5"
    & skf21("1","3","6","5","4","2","5","1") = "5"
    & skf21("1","3","6","5","4","2","6","1") = "5"
    & skf21("1","3","6","5","4","2","7","1") = "6"
    & skf21("1","3","6","5","4","3","1","1") = "5"
    & skf21("1","3","6","5","4","3","2","1") = "5"
    & skf21("1","3","6","5","4","3","3","1") = "5"
    & skf21("1","3","6","5","4","3","4","1") = "5"
    & skf21("1","3","6","5","4","3","5","1") = "5"
    & skf21("1","3","6","5","4","3","6","1") = "5"
    & skf21("1","3","6","5","4","3","7","1") = "6"
    & skf21("1","3","6","5","4","4","1","1") = "5"
    & skf21("1","3","6","5","4","4","2","1") = "5"
    & skf21("1","3","6","5","4","4","3","1") = "5"
    & skf21("1","3","6","5","4","4","4","1") = "5"
    & skf21("1","3","6","5","4","4","5","1") = "5"
    & skf21("1","3","6","5","4","4","6","1") = "5"
    & skf21("1","3","6","5","4","4","7","1") = "6"
    & skf21("1","3","6","5","4","5","1","1") = "5"
    & skf21("1","3","6","5","4","5","2","1") = "5"
    & skf21("1","3","6","5","4","5","3","1") = "5"
    & skf21("1","3","6","5","4","5","4","1") = "5"
    & skf21("1","3","6","5","4","5","5","1") = "5"
    & skf21("1","3","6","5","4","5","6","1") = "5"
    & skf21("1","3","6","5","4","5","7","1") = "6"
    & skf21("1","3","6","5","4","6","1","1") = "5"
    & skf21("1","3","6","5","4","6","2","1") = "5"
    & skf21("1","3","6","5","4","6","3","1") = "5"
    & skf21("1","3","6","5","4","6","4","1") = "5"
    & skf21("1","3","6","5","4","6","5","1") = "5"
    & skf21("1","3","6","5","4","6","6","1") = "5"
    & skf21("1","3","6","5","4","6","7","1") = "6"
    & skf21("1","3","6","5","4","7","1","1") = "6"
    & skf21("1","3","6","5","4","7","2","1") = "6"
    & skf21("1","3","6","5","4","7","3","1") = "6"
    & skf21("1","3","6","5","4","7","4","1") = "6"
    & skf21("1","3","6","5","4","7","5","1") = "6"
    & skf21("1","3","6","5","4","7","6","1") = "6"
    & skf21("1","3","6","5","4","7","7","1") = "6"
    & skf21("1","3","6","5","5","1","1","1") = "5"
    & skf21("1","3","6","5","5","1","2","1") = "5"
    & skf21("1","3","6","5","5","1","3","1") = "5"
    & skf21("1","3","6","5","5","1","4","1") = "5"
    & skf21("1","3","6","5","5","1","5","1") = "5"
    & skf21("1","3","6","5","5","1","6","1") = "5"
    & skf21("1","3","6","5","5","1","7","1") = "6"
    & skf21("1","3","6","5","5","2","1","1") = "5"
    & skf21("1","3","6","5","5","2","2","1") = "5"
    & skf21("1","3","6","5","5","2","3","1") = "5"
    & skf21("1","3","6","5","5","2","4","1") = "5"
    & skf21("1","3","6","5","5","2","5","1") = "5"
    & skf21("1","3","6","5","5","2","6","1") = "5"
    & skf21("1","3","6","5","5","2","7","1") = "6"
    & skf21("1","3","6","5","5","3","1","1") = "5"
    & skf21("1","3","6","5","5","3","2","1") = "5"
    & skf21("1","3","6","5","5","3","3","1") = "5"
    & skf21("1","3","6","5","5","3","4","1") = "5"
    & skf21("1","3","6","5","5","3","5","1") = "5"
    & skf21("1","3","6","5","5","3","6","1") = "5"
    & skf21("1","3","6","5","5","3","7","1") = "6"
    & skf21("1","3","6","5","5","4","1","1") = "5"
    & skf21("1","3","6","5","5","4","2","1") = "5"
    & skf21("1","3","6","5","5","4","3","1") = "5"
    & skf21("1","3","6","5","5","4","4","1") = "5"
    & skf21("1","3","6","5","5","4","5","1") = "5"
    & skf21("1","3","6","5","5","4","6","1") = "5"
    & skf21("1","3","6","5","5","4","7","1") = "6"
    & skf21("1","3","6","5","5","5","1","1") = "5"
    & skf21("1","3","6","5","5","5","2","1") = "5"
    & skf21("1","3","6","5","5","5","3","1") = "5"
    & skf21("1","3","6","5","5","5","4","1") = "5"
    & skf21("1","3","6","5","5","5","5","1") = "5"
    & skf21("1","3","6","5","5","5","6","1") = "5"
    & skf21("1","3","6","5","5","5","7","1") = "6"
    & skf21("1","3","6","5","5","6","1","1") = "5"
    & skf21("1","3","6","5","5","6","2","1") = "5"
    & skf21("1","3","6","5","5","6","3","1") = "5"
    & skf21("1","3","6","5","5","6","4","1") = "5"
    & skf21("1","3","6","5","5","6","5","1") = "5"
    & skf21("1","3","6","5","5","6","6","1") = "5"
    & skf21("1","3","6","5","5","6","7","1") = "6"
    & skf21("1","3","6","5","5","7","1","1") = "6"
    & skf21("1","3","6","5","5","7","2","1") = "6"
    & skf21("1","3","6","5","5","7","3","1") = "6"
    & skf21("1","3","6","5","5","7","4","1") = "6"
    & skf21("1","3","6","5","5","7","5","1") = "6"
    & skf21("1","3","6","5","5","7","6","1") = "6"
    & skf21("1","3","6","5","5","7","7","1") = "6"
    & skf21("1","3","6","5","6","1","1","1") = "5"
    & skf21("1","3","6","5","6","1","2","1") = "5"
    & skf21("1","3","6","5","6","1","3","1") = "5"
    & skf21("1","3","6","5","6","1","4","1") = "5"
    & skf21("1","3","6","5","6","1","5","1") = "5"
    & skf21("1","3","6","5","6","1","6","1") = "5"
    & skf21("1","3","6","5","6","1","7","1") = "6"
    & skf21("1","3","6","5","6","2","1","1") = "5"
    & skf21("1","3","6","5","6","2","2","1") = "5"
    & skf21("1","3","6","5","6","2","3","1") = "5"
    & skf21("1","3","6","5","6","2","4","1") = "5"
    & skf21("1","3","6","5","6","2","5","1") = "5"
    & skf21("1","3","6","5","6","2","6","1") = "5"
    & skf21("1","3","6","5","6","2","7","1") = "6"
    & skf21("1","3","6","5","6","3","1","1") = "5"
    & skf21("1","3","6","5","6","3","2","1") = "5"
    & skf21("1","3","6","5","6","3","3","1") = "5"
    & skf21("1","3","6","5","6","3","4","1") = "5"
    & skf21("1","3","6","5","6","3","5","1") = "5"
    & skf21("1","3","6","5","6","3","6","1") = "5"
    & skf21("1","3","6","5","6","3","7","1") = "6"
    & skf21("1","3","6","5","6","4","1","1") = "5"
    & skf21("1","3","6","5","6","4","2","1") = "5"
    & skf21("1","3","6","5","6","4","3","1") = "5"
    & skf21("1","3","6","5","6","4","4","1") = "5"
    & skf21("1","3","6","5","6","4","5","1") = "5"
    & skf21("1","3","6","5","6","4","6","1") = "5"
    & skf21("1","3","6","5","6","4","7","1") = "6"
    & skf21("1","3","6","5","6","5","1","1") = "5"
    & skf21("1","3","6","5","6","5","2","1") = "5"
    & skf21("1","3","6","5","6","5","3","1") = "5"
    & skf21("1","3","6","5","6","5","4","1") = "5"
    & skf21("1","3","6","5","6","5","5","1") = "5"
    & skf21("1","3","6","5","6","5","6","1") = "5"
    & skf21("1","3","6","5","6","5","7","1") = "6"
    & skf21("1","3","6","5","6","6","1","1") = "5"
    & skf21("1","3","6","5","6","6","2","1") = "5"
    & skf21("1","3","6","5","6","6","3","1") = "5"
    & skf21("1","3","6","5","6","6","4","1") = "5"
    & skf21("1","3","6","5","6","6","5","1") = "5"
    & skf21("1","3","6","5","6","6","6","1") = "5"
    & skf21("1","3","6","5","6","6","7","1") = "6"
    & skf21("1","3","6","5","6","7","1","1") = "6"
    & skf21("1","3","6","5","6","7","2","1") = "6"
    & skf21("1","3","6","5","6","7","3","1") = "6"
    & skf21("1","3","6","5","6","7","4","1") = "6"
    & skf21("1","3","6","5","6","7","5","1") = "6"
    & skf21("1","3","6","5","6","7","6","1") = "6"
    & skf21("1","3","6","5","6","7","7","1") = "6"
    & skf21("1","3","6","5","7","1","1","1") = "6"
    & skf21("1","3","6","5","7","1","2","1") = "6"
    & skf21("1","3","6","5","7","1","3","1") = "6"
    & skf21("1","3","6","5","7","1","4","1") = "6"
    & skf21("1","3","6","5","7","1","5","1") = "6"
    & skf21("1","3","6","5","7","1","6","1") = "6"
    & skf21("1","3","6","5","7","1","7","1") = "6"
    & skf21("1","3","6","5","7","2","1","1") = "6"
    & skf21("1","3","6","5","7","2","2","1") = "6"
    & skf21("1","3","6","5","7","2","3","1") = "6"
    & skf21("1","3","6","5","7","2","4","1") = "6"
    & skf21("1","3","6","5","7","2","5","1") = "6"
    & skf21("1","3","6","5","7","2","6","1") = "6"
    & skf21("1","3","6","5","7","2","7","1") = "6"
    & skf21("1","3","6","5","7","3","1","1") = "6"
    & skf21("1","3","6","5","7","3","2","1") = "6"
    & skf21("1","3","6","5","7","3","3","1") = "6"
    & skf21("1","3","6","5","7","3","4","1") = "6"
    & skf21("1","3","6","5","7","3","5","1") = "6"
    & skf21("1","3","6","5","7","3","6","1") = "6"
    & skf21("1","3","6","5","7","3","7","1") = "6"
    & skf21("1","3","6","5","7","4","1","1") = "6"
    & skf21("1","3","6","5","7","4","2","1") = "6"
    & skf21("1","3","6","5","7","4","3","1") = "6"
    & skf21("1","3","6","5","7","4","4","1") = "6"
    & skf21("1","3","6","5","7","4","5","1") = "6"
    & skf21("1","3","6","5","7","4","6","1") = "6"
    & skf21("1","3","6","5","7","4","7","1") = "6"
    & skf21("1","3","6","5","7","5","1","1") = "6"
    & skf21("1","3","6","5","7","5","2","1") = "6"
    & skf21("1","3","6","5","7","5","3","1") = "6"
    & skf21("1","3","6","5","7","5","4","1") = "6"
    & skf21("1","3","6","5","7","5","5","1") = "6"
    & skf21("1","3","6","5","7","5","6","1") = "6"
    & skf21("1","3","6","5","7","5","7","1") = "6"
    & skf21("1","3","6","5","7","6","1","1") = "6"
    & skf21("1","3","6","5","7","6","2","1") = "6"
    & skf21("1","3","6","5","7","6","3","1") = "6"
    & skf21("1","3","6","5","7","6","4","1") = "6"
    & skf21("1","3","6","5","7","6","5","1") = "6"
    & skf21("1","3","6","5","7","6","6","1") = "6"
    & skf21("1","3","6","5","7","6","7","1") = "6"
    & skf21("1","3","6","5","7","7","1","1") = "6"
    & skf21("1","3","6","5","7","7","2","1") = "6"
    & skf21("1","3","6","5","7","7","3","1") = "6"
    & skf21("1","3","6","5","7","7","4","1") = "6"
    & skf21("1","3","6","5","7","7","5","1") = "6"
    & skf21("1","3","6","5","7","7","6","1") = "6"
    & skf21("1","3","6","5","7","7","7","1") = "6"
    & skf21("1","3","6","6","1","1","1","1") = "5"
    & skf21("1","3","6","6","1","1","2","1") = "5"
    & skf21("1","3","6","6","1","1","3","1") = "5"
    & skf21("1","3","6","6","1","1","4","1") = "5"
    & skf21("1","3","6","6","1","1","5","1") = "5"
    & skf21("1","3","6","6","1","1","6","1") = "5"
    & skf21("1","3","6","6","1","1","7","1") = "6"
    & skf21("1","3","6","6","1","2","1","1") = "5"
    & skf21("1","3","6","6","1","2","2","1") = "5"
    & skf21("1","3","6","6","1","2","3","1") = "5"
    & skf21("1","3","6","6","1","2","4","1") = "5"
    & skf21("1","3","6","6","1","2","5","1") = "5"
    & skf21("1","3","6","6","1","2","6","1") = "5"
    & skf21("1","3","6","6","1","2","7","1") = "6"
    & skf21("1","3","6","6","1","3","1","1") = "5"
    & skf21("1","3","6","6","1","3","2","1") = "5"
    & skf21("1","3","6","6","1","3","3","1") = "5"
    & skf21("1","3","6","6","1","3","4","1") = "5"
    & skf21("1","3","6","6","1","3","5","1") = "5"
    & skf21("1","3","6","6","1","3","6","1") = "5"
    & skf21("1","3","6","6","1","3","7","1") = "6"
    & skf21("1","3","6","6","1","4","1","1") = "5"
    & skf21("1","3","6","6","1","4","2","1") = "5"
    & skf21("1","3","6","6","1","4","3","1") = "5"
    & skf21("1","3","6","6","1","4","4","1") = "5"
    & skf21("1","3","6","6","1","4","5","1") = "5"
    & skf21("1","3","6","6","1","4","6","1") = "5"
    & skf21("1","3","6","6","1","4","7","1") = "6"
    & skf21("1","3","6","6","1","5","1","1") = "5"
    & skf21("1","3","6","6","1","5","2","1") = "5"
    & skf21("1","3","6","6","1","5","3","1") = "5"
    & skf21("1","3","6","6","1","5","4","1") = "5"
    & skf21("1","3","6","6","1","5","5","1") = "5"
    & skf21("1","3","6","6","1","5","6","1") = "5"
    & skf21("1","3","6","6","1","5","7","1") = "6"
    & skf21("1","3","6","6","1","6","1","1") = "5"
    & skf21("1","3","6","6","1","6","2","1") = "5"
    & skf21("1","3","6","6","1","6","3","1") = "5"
    & skf21("1","3","6","6","1","6","4","1") = "5"
    & skf21("1","3","6","6","1","6","5","1") = "5"
    & skf21("1","3","6","6","1","6","6","1") = "5"
    & skf21("1","3","6","6","1","6","7","1") = "6"
    & skf21("1","3","6","6","1","7","1","1") = "6"
    & skf21("1","3","6","6","1","7","2","1") = "6"
    & skf21("1","3","6","6","1","7","3","1") = "6"
    & skf21("1","3","6","6","1","7","4","1") = "6"
    & skf21("1","3","6","6","1","7","5","1") = "6"
    & skf21("1","3","6","6","1","7","6","1") = "6"
    & skf21("1","3","6","6","1","7","7","1") = "6"
    & skf21("1","3","6","6","2","1","1","1") = "5"
    & skf21("1","3","6","6","2","1","2","1") = "5"
    & skf21("1","3","6","6","2","1","3","1") = "5"
    & skf21("1","3","6","6","2","1","4","1") = "5"
    & skf21("1","3","6","6","2","1","5","1") = "5"
    & skf21("1","3","6","6","2","1","6","1") = "5"
    & skf21("1","3","6","6","2","1","7","1") = "6"
    & skf21("1","3","6","6","2","2","1","1") = "5"
    & skf21("1","3","6","6","2","2","2","1") = "5"
    & skf21("1","3","6","6","2","2","3","1") = "5"
    & skf21("1","3","6","6","2","2","4","1") = "5"
    & skf21("1","3","6","6","2","2","5","1") = "5"
    & skf21("1","3","6","6","2","2","6","1") = "5"
    & skf21("1","3","6","6","2","2","7","1") = "6"
    & skf21("1","3","6","6","2","3","1","1") = "5"
    & skf21("1","3","6","6","2","3","2","1") = "5"
    & skf21("1","3","6","6","2","3","3","1") = "5"
    & skf21("1","3","6","6","2","3","4","1") = "5"
    & skf21("1","3","6","6","2","3","5","1") = "5"
    & skf21("1","3","6","6","2","3","6","1") = "5"
    & skf21("1","3","6","6","2","3","7","1") = "6"
    & skf21("1","3","6","6","2","4","1","1") = "5"
    & skf21("1","3","6","6","2","4","2","1") = "5"
    & skf21("1","3","6","6","2","4","3","1") = "5"
    & skf21("1","3","6","6","2","4","4","1") = "5"
    & skf21("1","3","6","6","2","4","5","1") = "5"
    & skf21("1","3","6","6","2","4","6","1") = "5"
    & skf21("1","3","6","6","2","4","7","1") = "6"
    & skf21("1","3","6","6","2","5","1","1") = "5"
    & skf21("1","3","6","6","2","5","2","1") = "5"
    & skf21("1","3","6","6","2","5","3","1") = "5"
    & skf21("1","3","6","6","2","5","4","1") = "5"
    & skf21("1","3","6","6","2","5","5","1") = "5"
    & skf21("1","3","6","6","2","5","6","1") = "5"
    & skf21("1","3","6","6","2","5","7","1") = "6"
    & skf21("1","3","6","6","2","6","1","1") = "5"
    & skf21("1","3","6","6","2","6","2","1") = "5"
    & skf21("1","3","6","6","2","6","3","1") = "5"
    & skf21("1","3","6","6","2","6","4","1") = "5"
    & skf21("1","3","6","6","2","6","5","1") = "5"
    & skf21("1","3","6","6","2","6","6","1") = "5"
    & skf21("1","3","6","6","2","6","7","1") = "6"
    & skf21("1","3","6","6","2","7","1","1") = "6"
    & skf21("1","3","6","6","2","7","2","1") = "6"
    & skf21("1","3","6","6","2","7","3","1") = "6"
    & skf21("1","3","6","6","2","7","4","1") = "6"
    & skf21("1","3","6","6","2","7","5","1") = "6"
    & skf21("1","3","6","6","2","7","6","1") = "6"
    & skf21("1","3","6","6","2","7","7","1") = "6"
    & skf21("1","3","6","6","3","1","1","1") = "5"
    & skf21("1","3","6","6","3","1","2","1") = "5"
    & skf21("1","3","6","6","3","1","3","1") = "5"
    & skf21("1","3","6","6","3","1","4","1") = "5"
    & skf21("1","3","6","6","3","1","5","1") = "5"
    & skf21("1","3","6","6","3","1","6","1") = "5"
    & skf21("1","3","6","6","3","1","7","1") = "6"
    & skf21("1","3","6","6","3","2","1","1") = "5"
    & skf21("1","3","6","6","3","2","2","1") = "5"
    & skf21("1","3","6","6","3","2","3","1") = "5"
    & skf21("1","3","6","6","3","2","4","1") = "5"
    & skf21("1","3","6","6","3","2","5","1") = "5"
    & skf21("1","3","6","6","3","2","6","1") = "5"
    & skf21("1","3","6","6","3","2","7","1") = "6"
    & skf21("1","3","6","6","3","3","1","1") = "5"
    & skf21("1","3","6","6","3","3","2","1") = "5"
    & skf21("1","3","6","6","3","3","3","1") = "5"
    & skf21("1","3","6","6","3","3","4","1") = "5"
    & skf21("1","3","6","6","3","3","5","1") = "5"
    & skf21("1","3","6","6","3","3","6","1") = "5"
    & skf21("1","3","6","6","3","3","7","1") = "6"
    & skf21("1","3","6","6","3","4","1","1") = "5"
    & skf21("1","3","6","6","3","4","2","1") = "5"
    & skf21("1","3","6","6","3","4","3","1") = "5"
    & skf21("1","3","6","6","3","4","4","1") = "5"
    & skf21("1","3","6","6","3","4","5","1") = "5"
    & skf21("1","3","6","6","3","4","6","1") = "5"
    & skf21("1","3","6","6","3","4","7","1") = "6"
    & skf21("1","3","6","6","3","5","1","1") = "5"
    & skf21("1","3","6","6","3","5","2","1") = "5"
    & skf21("1","3","6","6","3","5","3","1") = "5"
    & skf21("1","3","6","6","3","5","4","1") = "5"
    & skf21("1","3","6","6","3","5","5","1") = "5"
    & skf21("1","3","6","6","3","5","6","1") = "5"
    & skf21("1","3","6","6","3","5","7","1") = "6"
    & skf21("1","3","6","6","3","6","1","1") = "5"
    & skf21("1","3","6","6","3","6","2","1") = "5"
    & skf21("1","3","6","6","3","6","3","1") = "5"
    & skf21("1","3","6","6","3","6","4","1") = "5"
    & skf21("1","3","6","6","3","6","5","1") = "5"
    & skf21("1","3","6","6","3","6","6","1") = "5"
    & skf21("1","3","6","6","3","6","7","1") = "6"
    & skf21("1","3","6","6","3","7","1","1") = "6"
    & skf21("1","3","6","6","3","7","2","1") = "6"
    & skf21("1","3","6","6","3","7","3","1") = "6"
    & skf21("1","3","6","6","3","7","4","1") = "6"
    & skf21("1","3","6","6","3","7","5","1") = "6"
    & skf21("1","3","6","6","3","7","6","1") = "6"
    & skf21("1","3","6","6","3","7","7","1") = "6"
    & skf21("1","3","6","6","4","1","1","1") = "5"
    & skf21("1","3","6","6","4","1","2","1") = "5"
    & skf21("1","3","6","6","4","1","3","1") = "5"
    & skf21("1","3","6","6","4","1","4","1") = "5"
    & skf21("1","3","6","6","4","1","5","1") = "5"
    & skf21("1","3","6","6","4","1","6","1") = "5"
    & skf21("1","3","6","6","4","1","7","1") = "6"
    & skf21("1","3","6","6","4","2","1","1") = "5"
    & skf21("1","3","6","6","4","2","2","1") = "5"
    & skf21("1","3","6","6","4","2","3","1") = "5"
    & skf21("1","3","6","6","4","2","4","1") = "5"
    & skf21("1","3","6","6","4","2","5","1") = "5"
    & skf21("1","3","6","6","4","2","6","1") = "5"
    & skf21("1","3","6","6","4","2","7","1") = "6"
    & skf21("1","3","6","6","4","3","1","1") = "5"
    & skf21("1","3","6","6","4","3","2","1") = "5"
    & skf21("1","3","6","6","4","3","3","1") = "5"
    & skf21("1","3","6","6","4","3","4","1") = "5"
    & skf21("1","3","6","6","4","3","5","1") = "5"
    & skf21("1","3","6","6","4","3","6","1") = "5"
    & skf21("1","3","6","6","4","3","7","1") = "6"
    & skf21("1","3","6","6","4","4","1","1") = "5"
    & skf21("1","3","6","6","4","4","2","1") = "5"
    & skf21("1","3","6","6","4","4","3","1") = "5"
    & skf21("1","3","6","6","4","4","4","1") = "5"
    & skf21("1","3","6","6","4","4","5","1") = "5"
    & skf21("1","3","6","6","4","4","6","1") = "5"
    & skf21("1","3","6","6","4","4","7","1") = "6"
    & skf21("1","3","6","6","4","5","1","1") = "5"
    & skf21("1","3","6","6","4","5","2","1") = "5"
    & skf21("1","3","6","6","4","5","3","1") = "5"
    & skf21("1","3","6","6","4","5","4","1") = "5"
    & skf21("1","3","6","6","4","5","5","1") = "5"
    & skf21("1","3","6","6","4","5","6","1") = "5"
    & skf21("1","3","6","6","4","5","7","1") = "6"
    & skf21("1","3","6","6","4","6","1","1") = "5"
    & skf21("1","3","6","6","4","6","2","1") = "5"
    & skf21("1","3","6","6","4","6","3","1") = "5"
    & skf21("1","3","6","6","4","6","4","1") = "5"
    & skf21("1","3","6","6","4","6","5","1") = "5"
    & skf21("1","3","6","6","4","6","6","1") = "5"
    & skf21("1","3","6","6","4","6","7","1") = "6"
    & skf21("1","3","6","6","4","7","1","1") = "6"
    & skf21("1","3","6","6","4","7","2","1") = "6"
    & skf21("1","3","6","6","4","7","3","1") = "6"
    & skf21("1","3","6","6","4","7","4","1") = "6"
    & skf21("1","3","6","6","4","7","5","1") = "6"
    & skf21("1","3","6","6","4","7","6","1") = "6"
    & skf21("1","3","6","6","4","7","7","1") = "6"
    & skf21("1","3","6","6","5","1","1","1") = "5"
    & skf21("1","3","6","6","5","1","2","1") = "5"
    & skf21("1","3","6","6","5","1","3","1") = "5"
    & skf21("1","3","6","6","5","1","4","1") = "5"
    & skf21("1","3","6","6","5","1","5","1") = "5"
    & skf21("1","3","6","6","5","1","6","1") = "5"
    & skf21("1","3","6","6","5","1","7","1") = "6"
    & skf21("1","3","6","6","5","2","1","1") = "5"
    & skf21("1","3","6","6","5","2","2","1") = "5"
    & skf21("1","3","6","6","5","2","3","1") = "5"
    & skf21("1","3","6","6","5","2","4","1") = "5"
    & skf21("1","3","6","6","5","2","5","1") = "5"
    & skf21("1","3","6","6","5","2","6","1") = "5"
    & skf21("1","3","6","6","5","2","7","1") = "6"
    & skf21("1","3","6","6","5","3","1","1") = "5"
    & skf21("1","3","6","6","5","3","2","1") = "5"
    & skf21("1","3","6","6","5","3","3","1") = "5"
    & skf21("1","3","6","6","5","3","4","1") = "5"
    & skf21("1","3","6","6","5","3","5","1") = "5"
    & skf21("1","3","6","6","5","3","6","1") = "5"
    & skf21("1","3","6","6","5","3","7","1") = "6"
    & skf21("1","3","6","6","5","4","1","1") = "5"
    & skf21("1","3","6","6","5","4","2","1") = "5"
    & skf21("1","3","6","6","5","4","3","1") = "5"
    & skf21("1","3","6","6","5","4","4","1") = "5"
    & skf21("1","3","6","6","5","4","5","1") = "5"
    & skf21("1","3","6","6","5","4","6","1") = "5"
    & skf21("1","3","6","6","5","4","7","1") = "6"
    & skf21("1","3","6","6","5","5","1","1") = "5"
    & skf21("1","3","6","6","5","5","2","1") = "5"
    & skf21("1","3","6","6","5","5","3","1") = "5"
    & skf21("1","3","6","6","5","5","4","1") = "5"
    & skf21("1","3","6","6","5","5","5","1") = "5"
    & skf21("1","3","6","6","5","5","6","1") = "5"
    & skf21("1","3","6","6","5","5","7","1") = "6"
    & skf21("1","3","6","6","5","6","1","1") = "5"
    & skf21("1","3","6","6","5","6","2","1") = "5"
    & skf21("1","3","6","6","5","6","3","1") = "5"
    & skf21("1","3","6","6","5","6","4","1") = "5"
    & skf21("1","3","6","6","5","6","5","1") = "5"
    & skf21("1","3","6","6","5","6","6","1") = "5"
    & skf21("1","3","6","6","5","6","7","1") = "6"
    & skf21("1","3","6","6","5","7","1","1") = "6"
    & skf21("1","3","6","6","5","7","2","1") = "6"
    & skf21("1","3","6","6","5","7","3","1") = "6"
    & skf21("1","3","6","6","5","7","4","1") = "6"
    & skf21("1","3","6","6","5","7","5","1") = "6"
    & skf21("1","3","6","6","5","7","6","1") = "6"
    & skf21("1","3","6","6","5","7","7","1") = "6"
    & skf21("1","3","6","6","6","1","1","1") = "5"
    & skf21("1","3","6","6","6","1","2","1") = "5"
    & skf21("1","3","6","6","6","1","3","1") = "5"
    & skf21("1","3","6","6","6","1","4","1") = "5"
    & skf21("1","3","6","6","6","1","5","1") = "5"
    & skf21("1","3","6","6","6","1","6","1") = "5"
    & skf21("1","3","6","6","6","1","7","1") = "6"
    & skf21("1","3","6","6","6","2","1","1") = "5"
    & skf21("1","3","6","6","6","2","2","1") = "5"
    & skf21("1","3","6","6","6","2","3","1") = "5"
    & skf21("1","3","6","6","6","2","4","1") = "5"
    & skf21("1","3","6","6","6","2","5","1") = "5"
    & skf21("1","3","6","6","6","2","6","1") = "5"
    & skf21("1","3","6","6","6","2","7","1") = "6"
    & skf21("1","3","6","6","6","3","1","1") = "5"
    & skf21("1","3","6","6","6","3","2","1") = "5"
    & skf21("1","3","6","6","6","3","3","1") = "5"
    & skf21("1","3","6","6","6","3","4","1") = "5"
    & skf21("1","3","6","6","6","3","5","1") = "5"
    & skf21("1","3","6","6","6","3","6","1") = "5"
    & skf21("1","3","6","6","6","3","7","1") = "6"
    & skf21("1","3","6","6","6","4","1","1") = "5"
    & skf21("1","3","6","6","6","4","2","1") = "5"
    & skf21("1","3","6","6","6","4","3","1") = "5"
    & skf21("1","3","6","6","6","4","4","1") = "5"
    & skf21("1","3","6","6","6","4","5","1") = "5"
    & skf21("1","3","6","6","6","4","6","1") = "5"
    & skf21("1","3","6","6","6","4","7","1") = "6"
    & skf21("1","3","6","6","6","5","1","1") = "5"
    & skf21("1","3","6","6","6","5","2","1") = "5"
    & skf21("1","3","6","6","6","5","3","1") = "5"
    & skf21("1","3","6","6","6","5","4","1") = "5"
    & skf21("1","3","6","6","6","5","5","1") = "5"
    & skf21("1","3","6","6","6","5","6","1") = "5"
    & skf21("1","3","6","6","6","5","7","1") = "6"
    & skf21("1","3","6","6","6","6","1","1") = "5"
    & skf21("1","3","6","6","6","6","2","1") = "5"
    & skf21("1","3","6","6","6","6","3","1") = "5"
    & skf21("1","3","6","6","6","6","4","1") = "5"
    & skf21("1","3","6","6","6","6","5","1") = "5"
    & skf21("1","3","6","6","6","6","6","1") = "5"
    & skf21("1","3","6","6","6","6","7","1") = "6"
    & skf21("1","3","6","6","6","7","1","1") = "6"
    & skf21("1","3","6","6","6","7","2","1") = "6"
    & skf21("1","3","6","6","6","7","3","1") = "6"
    & skf21("1","3","6","6","6","7","4","1") = "6"
    & skf21("1","3","6","6","6","7","5","1") = "6"
    & skf21("1","3","6","6","6","7","6","1") = "6"
    & skf21("1","3","6","6","6","7","7","1") = "6"
    & skf21("1","3","6","6","7","1","1","1") = "6"
    & skf21("1","3","6","6","7","1","2","1") = "6"
    & skf21("1","3","6","6","7","1","3","1") = "6"
    & skf21("1","3","6","6","7","1","4","1") = "6"
    & skf21("1","3","6","6","7","1","5","1") = "6"
    & skf21("1","3","6","6","7","1","6","1") = "6"
    & skf21("1","3","6","6","7","1","7","1") = "6"
    & skf21("1","3","6","6","7","2","1","1") = "6"
    & skf21("1","3","6","6","7","2","2","1") = "6"
    & skf21("1","3","6","6","7","2","3","1") = "6"
    & skf21("1","3","6","6","7","2","4","1") = "6"
    & skf21("1","3","6","6","7","2","5","1") = "6"
    & skf21("1","3","6","6","7","2","6","1") = "6"
    & skf21("1","3","6","6","7","2","7","1") = "6"
    & skf21("1","3","6","6","7","3","1","1") = "6"
    & skf21("1","3","6","6","7","3","2","1") = "6"
    & skf21("1","3","6","6","7","3","3","1") = "6"
    & skf21("1","3","6","6","7","3","4","1") = "6"
    & skf21("1","3","6","6","7","3","5","1") = "6"
    & skf21("1","3","6","6","7","3","6","1") = "6"
    & skf21("1","3","6","6","7","3","7","1") = "6"
    & skf21("1","3","6","6","7","4","1","1") = "6"
    & skf21("1","3","6","6","7","4","2","1") = "6"
    & skf21("1","3","6","6","7","4","3","1") = "6"
    & skf21("1","3","6","6","7","4","4","1") = "6"
    & skf21("1","3","6","6","7","4","5","1") = "6"
    & skf21("1","3","6","6","7","4","6","1") = "6"
    & skf21("1","3","6","6","7","4","7","1") = "6"
    & skf21("1","3","6","6","7","5","1","1") = "6"
    & skf21("1","3","6","6","7","5","2","1") = "6"
    & skf21("1","3","6","6","7","5","3","1") = "6"
    & skf21("1","3","6","6","7","5","4","1") = "6"
    & skf21("1","3","6","6","7","5","5","1") = "6"
    & skf21("1","3","6","6","7","5","6","1") = "6"
    & skf21("1","3","6","6","7","5","7","1") = "6"
    & skf21("1","3","6","6","7","6","1","1") = "6"
    & skf21("1","3","6","6","7","6","2","1") = "6"
    & skf21("1","3","6","6","7","6","3","1") = "6"
    & skf21("1","3","6","6","7","6","4","1") = "6"
    & skf21("1","3","6","6","7","6","5","1") = "6"
    & skf21("1","3","6","6","7","6","6","1") = "6"
    & skf21("1","3","6","6","7","6","7","1") = "6"
    & skf21("1","3","6","6","7","7","1","1") = "6"
    & skf21("1","3","6","6","7","7","2","1") = "6"
    & skf21("1","3","6","6","7","7","3","1") = "6"
    & skf21("1","3","6","6","7","7","4","1") = "6"
    & skf21("1","3","6","6","7","7","5","1") = "6"
    & skf21("1","3","6","6","7","7","6","1") = "6"
    & skf21("1","3","6","6","7","7","7","1") = "6"
    & skf21("1","3","6","7","1","1","1","1") = "6"
    & skf21("1","3","6","7","1","1","2","1") = "6"
    & skf21("1","3","6","7","1","1","3","1") = "6"
    & skf21("1","3","6","7","1","1","4","1") = "6"
    & skf21("1","3","6","7","1","1","5","1") = "6"
    & skf21("1","3","6","7","1","1","6","1") = "6"
    & skf21("1","3","6","7","1","1","7","1") = "6"
    & skf21("1","3","6","7","1","2","1","1") = "6"
    & skf21("1","3","6","7","1","2","2","1") = "6"
    & skf21("1","3","6","7","1","2","3","1") = "6"
    & skf21("1","3","6","7","1","2","4","1") = "6"
    & skf21("1","3","6","7","1","2","5","1") = "6"
    & skf21("1","3","6","7","1","2","6","1") = "6"
    & skf21("1","3","6","7","1","2","7","1") = "6"
    & skf21("1","3","6","7","1","3","1","1") = "6"
    & skf21("1","3","6","7","1","3","2","1") = "6"
    & skf21("1","3","6","7","1","3","3","1") = "6"
    & skf21("1","3","6","7","1","3","4","1") = "6"
    & skf21("1","3","6","7","1","3","5","1") = "6"
    & skf21("1","3","6","7","1","3","6","1") = "6"
    & skf21("1","3","6","7","1","3","7","1") = "6"
    & skf21("1","3","6","7","1","4","1","1") = "6"
    & skf21("1","3","6","7","1","4","2","1") = "6"
    & skf21("1","3","6","7","1","4","3","1") = "6"
    & skf21("1","3","6","7","1","4","4","1") = "6"
    & skf21("1","3","6","7","1","4","5","1") = "6"
    & skf21("1","3","6","7","1","4","6","1") = "6"
    & skf21("1","3","6","7","1","4","7","1") = "6"
    & skf21("1","3","6","7","1","5","1","1") = "6"
    & skf21("1","3","6","7","1","5","2","1") = "6"
    & skf21("1","3","6","7","1","5","3","1") = "6"
    & skf21("1","3","6","7","1","5","4","1") = "6"
    & skf21("1","3","6","7","1","5","5","1") = "6"
    & skf21("1","3","6","7","1","5","6","1") = "6"
    & skf21("1","3","6","7","1","5","7","1") = "6"
    & skf21("1","3","6","7","1","6","1","1") = "6"
    & skf21("1","3","6","7","1","6","2","1") = "6"
    & skf21("1","3","6","7","1","6","3","1") = "6"
    & skf21("1","3","6","7","1","6","4","1") = "6"
    & skf21("1","3","6","7","1","6","5","1") = "6"
    & skf21("1","3","6","7","1","6","6","1") = "6"
    & skf21("1","3","6","7","1","6","7","1") = "6"
    & skf21("1","3","6","7","1","7","1","1") = "6"
    & skf21("1","3","6","7","1","7","2","1") = "6"
    & skf21("1","3","6","7","1","7","3","1") = "6"
    & skf21("1","3","6","7","1","7","4","1") = "6"
    & skf21("1","3","6","7","1","7","5","1") = "6"
    & skf21("1","3","6","7","1","7","6","1") = "6"
    & skf21("1","3","6","7","1","7","7","1") = "6"
    & skf21("1","3","6","7","2","1","1","1") = "6"
    & skf21("1","3","6","7","2","1","2","1") = "6"
    & skf21("1","3","6","7","2","1","3","1") = "6"
    & skf21("1","3","6","7","2","1","4","1") = "6"
    & skf21("1","3","6","7","2","1","5","1") = "6"
    & skf21("1","3","6","7","2","1","6","1") = "6"
    & skf21("1","3","6","7","2","1","7","1") = "6"
    & skf21("1","3","6","7","2","2","1","1") = "6"
    & skf21("1","3","6","7","2","2","2","1") = "6"
    & skf21("1","3","6","7","2","2","3","1") = "6"
    & skf21("1","3","6","7","2","2","4","1") = "6"
    & skf21("1","3","6","7","2","2","5","1") = "6"
    & skf21("1","3","6","7","2","2","6","1") = "6"
    & skf21("1","3","6","7","2","2","7","1") = "6"
    & skf21("1","3","6","7","2","3","1","1") = "6"
    & skf21("1","3","6","7","2","3","2","1") = "6"
    & skf21("1","3","6","7","2","3","3","1") = "6"
    & skf21("1","3","6","7","2","3","4","1") = "6"
    & skf21("1","3","6","7","2","3","5","1") = "6"
    & skf21("1","3","6","7","2","3","6","1") = "6"
    & skf21("1","3","6","7","2","3","7","1") = "6"
    & skf21("1","3","6","7","2","4","1","1") = "6"
    & skf21("1","3","6","7","2","4","2","1") = "6"
    & skf21("1","3","6","7","2","4","3","1") = "6"
    & skf21("1","3","6","7","2","4","4","1") = "6"
    & skf21("1","3","6","7","2","4","5","1") = "6"
    & skf21("1","3","6","7","2","4","6","1") = "6"
    & skf21("1","3","6","7","2","4","7","1") = "6"
    & skf21("1","3","6","7","2","5","1","1") = "6"
    & skf21("1","3","6","7","2","5","2","1") = "6"
    & skf21("1","3","6","7","2","5","3","1") = "6"
    & skf21("1","3","6","7","2","5","4","1") = "6"
    & skf21("1","3","6","7","2","5","5","1") = "6"
    & skf21("1","3","6","7","2","5","6","1") = "6"
    & skf21("1","3","6","7","2","5","7","1") = "6"
    & skf21("1","3","6","7","2","6","1","1") = "6"
    & skf21("1","3","6","7","2","6","2","1") = "6"
    & skf21("1","3","6","7","2","6","3","1") = "6"
    & skf21("1","3","6","7","2","6","4","1") = "6"
    & skf21("1","3","6","7","2","6","5","1") = "6"
    & skf21("1","3","6","7","2","6","6","1") = "6"
    & skf21("1","3","6","7","2","6","7","1") = "6"
    & skf21("1","3","6","7","2","7","1","1") = "6"
    & skf21("1","3","6","7","2","7","2","1") = "6"
    & skf21("1","3","6","7","2","7","3","1") = "6"
    & skf21("1","3","6","7","2","7","4","1") = "6"
    & skf21("1","3","6","7","2","7","5","1") = "6"
    & skf21("1","3","6","7","2","7","6","1") = "6"
    & skf21("1","3","6","7","2","7","7","1") = "6"
    & skf21("1","3","6","7","3","1","1","1") = "6"
    & skf21("1","3","6","7","3","1","2","1") = "6"
    & skf21("1","3","6","7","3","1","3","1") = "6"
    & skf21("1","3","6","7","3","1","4","1") = "6"
    & skf21("1","3","6","7","3","1","5","1") = "6"
    & skf21("1","3","6","7","3","1","6","1") = "6"
    & skf21("1","3","6","7","3","1","7","1") = "6"
    & skf21("1","3","6","7","3","2","1","1") = "6"
    & skf21("1","3","6","7","3","2","2","1") = "6"
    & skf21("1","3","6","7","3","2","3","1") = "6"
    & skf21("1","3","6","7","3","2","4","1") = "6"
    & skf21("1","3","6","7","3","2","5","1") = "6"
    & skf21("1","3","6","7","3","2","6","1") = "6"
    & skf21("1","3","6","7","3","2","7","1") = "6"
    & skf21("1","3","6","7","3","3","1","1") = "6"
    & skf21("1","3","6","7","3","3","2","1") = "6"
    & skf21("1","3","6","7","3","3","3","1") = "6"
    & skf21("1","3","6","7","3","3","4","1") = "6"
    & skf21("1","3","6","7","3","3","5","1") = "6"
    & skf21("1","3","6","7","3","3","6","1") = "6"
    & skf21("1","3","6","7","3","3","7","1") = "6"
    & skf21("1","3","6","7","3","4","1","1") = "6"
    & skf21("1","3","6","7","3","4","2","1") = "6"
    & skf21("1","3","6","7","3","4","3","1") = "6"
    & skf21("1","3","6","7","3","4","4","1") = "6"
    & skf21("1","3","6","7","3","4","5","1") = "6"
    & skf21("1","3","6","7","3","4","6","1") = "6"
    & skf21("1","3","6","7","3","4","7","1") = "6"
    & skf21("1","3","6","7","3","5","1","1") = "6"
    & skf21("1","3","6","7","3","5","2","1") = "6"
    & skf21("1","3","6","7","3","5","3","1") = "6"
    & skf21("1","3","6","7","3","5","4","1") = "6"
    & skf21("1","3","6","7","3","5","5","1") = "6"
    & skf21("1","3","6","7","3","5","6","1") = "6"
    & skf21("1","3","6","7","3","5","7","1") = "6"
    & skf21("1","3","6","7","3","6","1","1") = "6"
    & skf21("1","3","6","7","3","6","2","1") = "6"
    & skf21("1","3","6","7","3","6","3","1") = "6"
    & skf21("1","3","6","7","3","6","4","1") = "6"
    & skf21("1","3","6","7","3","6","5","1") = "6"
    & skf21("1","3","6","7","3","6","6","1") = "6"
    & skf21("1","3","6","7","3","6","7","1") = "6"
    & skf21("1","3","6","7","3","7","1","1") = "6"
    & skf21("1","3","6","7","3","7","2","1") = "6"
    & skf21("1","3","6","7","3","7","3","1") = "6"
    & skf21("1","3","6","7","3","7","4","1") = "6"
    & skf21("1","3","6","7","3","7","5","1") = "6"
    & skf21("1","3","6","7","3","7","6","1") = "6"
    & skf21("1","3","6","7","3","7","7","1") = "6"
    & skf21("1","3","6","7","4","1","1","1") = "6"
    & skf21("1","3","6","7","4","1","2","1") = "6"
    & skf21("1","3","6","7","4","1","3","1") = "6"
    & skf21("1","3","6","7","4","1","4","1") = "6"
    & skf21("1","3","6","7","4","1","5","1") = "6"
    & skf21("1","3","6","7","4","1","6","1") = "6"
    & skf21("1","3","6","7","4","1","7","1") = "6"
    & skf21("1","3","6","7","4","2","1","1") = "6"
    & skf21("1","3","6","7","4","2","2","1") = "6"
    & skf21("1","3","6","7","4","2","3","1") = "6"
    & skf21("1","3","6","7","4","2","4","1") = "6"
    & skf21("1","3","6","7","4","2","5","1") = "6"
    & skf21("1","3","6","7","4","2","6","1") = "6"
    & skf21("1","3","6","7","4","2","7","1") = "6"
    & skf21("1","3","6","7","4","3","1","1") = "6"
    & skf21("1","3","6","7","4","3","2","1") = "6"
    & skf21("1","3","6","7","4","3","3","1") = "6"
    & skf21("1","3","6","7","4","3","4","1") = "6"
    & skf21("1","3","6","7","4","3","5","1") = "6"
    & skf21("1","3","6","7","4","3","6","1") = "6"
    & skf21("1","3","6","7","4","3","7","1") = "6"
    & skf21("1","3","6","7","4","4","1","1") = "6"
    & skf21("1","3","6","7","4","4","2","1") = "6"
    & skf21("1","3","6","7","4","4","3","1") = "6"
    & skf21("1","3","6","7","4","4","4","1") = "6"
    & skf21("1","3","6","7","4","4","5","1") = "6"
    & skf21("1","3","6","7","4","4","6","1") = "6"
    & skf21("1","3","6","7","4","4","7","1") = "6"
    & skf21("1","3","6","7","4","5","1","1") = "6"
    & skf21("1","3","6","7","4","5","2","1") = "6"
    & skf21("1","3","6","7","4","5","3","1") = "6"
    & skf21("1","3","6","7","4","5","4","1") = "6"
    & skf21("1","3","6","7","4","5","5","1") = "6"
    & skf21("1","3","6","7","4","5","6","1") = "6"
    & skf21("1","3","6","7","4","5","7","1") = "6"
    & skf21("1","3","6","7","4","6","1","1") = "6"
    & skf21("1","3","6","7","4","6","2","1") = "6"
    & skf21("1","3","6","7","4","6","3","1") = "6"
    & skf21("1","3","6","7","4","6","4","1") = "6"
    & skf21("1","3","6","7","4","6","5","1") = "6"
    & skf21("1","3","6","7","4","6","6","1") = "6"
    & skf21("1","3","6","7","4","6","7","1") = "6"
    & skf21("1","3","6","7","4","7","1","1") = "6"
    & skf21("1","3","6","7","4","7","2","1") = "6"
    & skf21("1","3","6","7","4","7","3","1") = "6"
    & skf21("1","3","6","7","4","7","4","1") = "6"
    & skf21("1","3","6","7","4","7","5","1") = "6"
    & skf21("1","3","6","7","4","7","6","1") = "6"
    & skf21("1","3","6","7","4","7","7","1") = "6"
    & skf21("1","3","6","7","5","1","1","1") = "6"
    & skf21("1","3","6","7","5","1","2","1") = "6"
    & skf21("1","3","6","7","5","1","3","1") = "6"
    & skf21("1","3","6","7","5","1","4","1") = "6"
    & skf21("1","3","6","7","5","1","5","1") = "6"
    & skf21("1","3","6","7","5","1","6","1") = "6"
    & skf21("1","3","6","7","5","1","7","1") = "6"
    & skf21("1","3","6","7","5","2","1","1") = "6"
    & skf21("1","3","6","7","5","2","2","1") = "6"
    & skf21("1","3","6","7","5","2","3","1") = "6"
    & skf21("1","3","6","7","5","2","4","1") = "6"
    & skf21("1","3","6","7","5","2","5","1") = "6"
    & skf21("1","3","6","7","5","2","6","1") = "6"
    & skf21("1","3","6","7","5","2","7","1") = "6"
    & skf21("1","3","6","7","5","3","1","1") = "6"
    & skf21("1","3","6","7","5","3","2","1") = "6"
    & skf21("1","3","6","7","5","3","3","1") = "6"
    & skf21("1","3","6","7","5","3","4","1") = "6"
    & skf21("1","3","6","7","5","3","5","1") = "6"
    & skf21("1","3","6","7","5","3","6","1") = "6"
    & skf21("1","3","6","7","5","3","7","1") = "6"
    & skf21("1","3","6","7","5","4","1","1") = "6"
    & skf21("1","3","6","7","5","4","2","1") = "6"
    & skf21("1","3","6","7","5","4","3","1") = "6"
    & skf21("1","3","6","7","5","4","4","1") = "6"
    & skf21("1","3","6","7","5","4","5","1") = "6"
    & skf21("1","3","6","7","5","4","6","1") = "6"
    & skf21("1","3","6","7","5","4","7","1") = "6"
    & skf21("1","3","6","7","5","5","1","1") = "6"
    & skf21("1","3","6","7","5","5","2","1") = "6"
    & skf21("1","3","6","7","5","5","3","1") = "6"
    & skf21("1","3","6","7","5","5","4","1") = "6"
    & skf21("1","3","6","7","5","5","5","1") = "6"
    & skf21("1","3","6","7","5","5","6","1") = "6"
    & skf21("1","3","6","7","5","5","7","1") = "6"
    & skf21("1","3","6","7","5","6","1","1") = "6"
    & skf21("1","3","6","7","5","6","2","1") = "6"
    & skf21("1","3","6","7","5","6","3","1") = "6"
    & skf21("1","3","6","7","5","6","4","1") = "6"
    & skf21("1","3","6","7","5","6","5","1") = "6"
    & skf21("1","3","6","7","5","6","6","1") = "6"
    & skf21("1","3","6","7","5","6","7","1") = "6"
    & skf21("1","3","6","7","5","7","1","1") = "6"
    & skf21("1","3","6","7","5","7","2","1") = "6"
    & skf21("1","3","6","7","5","7","3","1") = "6"
    & skf21("1","3","6","7","5","7","4","1") = "6"
    & skf21("1","3","6","7","5","7","5","1") = "6"
    & skf21("1","3","6","7","5","7","6","1") = "6"
    & skf21("1","3","6","7","5","7","7","1") = "6"
    & skf21("1","3","6","7","6","1","1","1") = "6"
    & skf21("1","3","6","7","6","1","2","1") = "6"
    & skf21("1","3","6","7","6","1","3","1") = "6"
    & skf21("1","3","6","7","6","1","4","1") = "6"
    & skf21("1","3","6","7","6","1","5","1") = "6"
    & skf21("1","3","6","7","6","1","6","1") = "6"
    & skf21("1","3","6","7","6","1","7","1") = "6"
    & skf21("1","3","6","7","6","2","1","1") = "6"
    & skf21("1","3","6","7","6","2","2","1") = "6"
    & skf21("1","3","6","7","6","2","3","1") = "6"
    & skf21("1","3","6","7","6","2","4","1") = "6"
    & skf21("1","3","6","7","6","2","5","1") = "6"
    & skf21("1","3","6","7","6","2","6","1") = "6"
    & skf21("1","3","6","7","6","2","7","1") = "6"
    & skf21("1","3","6","7","6","3","1","1") = "6"
    & skf21("1","3","6","7","6","3","2","1") = "6"
    & skf21("1","3","6","7","6","3","3","1") = "6"
    & skf21("1","3","6","7","6","3","4","1") = "6"
    & skf21("1","3","6","7","6","3","5","1") = "6"
    & skf21("1","3","6","7","6","3","6","1") = "6"
    & skf21("1","3","6","7","6","3","7","1") = "6"
    & skf21("1","3","6","7","6","4","1","1") = "6"
    & skf21("1","3","6","7","6","4","2","1") = "6"
    & skf21("1","3","6","7","6","4","3","1") = "6"
    & skf21("1","3","6","7","6","4","4","1") = "6"
    & skf21("1","3","6","7","6","4","5","1") = "6"
    & skf21("1","3","6","7","6","4","6","1") = "6"
    & skf21("1","3","6","7","6","4","7","1") = "6"
    & skf21("1","3","6","7","6","5","1","1") = "6"
    & skf21("1","3","6","7","6","5","2","1") = "6"
    & skf21("1","3","6","7","6","5","3","1") = "6"
    & skf21("1","3","6","7","6","5","4","1") = "6"
    & skf21("1","3","6","7","6","5","5","1") = "6"
    & skf21("1","3","6","7","6","5","6","1") = "6"
    & skf21("1","3","6","7","6","5","7","1") = "6"
    & skf21("1","3","6","7","6","6","1","1") = "6"
    & skf21("1","3","6","7","6","6","2","1") = "6"
    & skf21("1","3","6","7","6","6","3","1") = "6"
    & skf21("1","3","6","7","6","6","4","1") = "6"
    & skf21("1","3","6","7","6","6","5","1") = "6"
    & skf21("1","3","6","7","6","6","6","1") = "6"
    & skf21("1","3","6","7","6","6","7","1") = "6"
    & skf21("1","3","6","7","6","7","1","1") = "6"
    & skf21("1","3","6","7","6","7","2","1") = "6"
    & skf21("1","3","6","7","6","7","3","1") = "6"
    & skf21("1","3","6","7","6","7","4","1") = "6"
    & skf21("1","3","6","7","6","7","5","1") = "6"
    & skf21("1","3","6","7","6","7","6","1") = "6"
    & skf21("1","3","6","7","6","7","7","1") = "6"
    & skf21("1","3","6","7","7","1","1","1") = "6"
    & skf21("1","3","6","7","7","1","2","1") = "6"
    & skf21("1","3","6","7","7","1","3","1") = "6"
    & skf21("1","3","6","7","7","1","4","1") = "6"
    & skf21("1","3","6","7","7","1","5","1") = "6"
    & skf21("1","3","6","7","7","1","6","1") = "6"
    & skf21("1","3","6","7","7","1","7","1") = "6"
    & skf21("1","3","6","7","7","2","1","1") = "6"
    & skf21("1","3","6","7","7","2","2","1") = "6"
    & skf21("1","3","6","7","7","2","3","1") = "6"
    & skf21("1","3","6","7","7","2","4","1") = "6"
    & skf21("1","3","6","7","7","2","5","1") = "6"
    & skf21("1","3","6","7","7","2","6","1") = "6"
    & skf21("1","3","6","7","7","2","7","1") = "6"
    & skf21("1","3","6","7","7","3","1","1") = "6"
    & skf21("1","3","6","7","7","3","2","1") = "6"
    & skf21("1","3","6","7","7","3","3","1") = "6"
    & skf21("1","3","6","7","7","3","4","1") = "6"
    & skf21("1","3","6","7","7","3","5","1") = "6"
    & skf21("1","3","6","7","7","3","6","1") = "6"
    & skf21("1","3","6","7","7","3","7","1") = "6"
    & skf21("1","3","6","7","7","4","1","1") = "6"
    & skf21("1","3","6","7","7","4","2","1") = "6"
    & skf21("1","3","6","7","7","4","3","1") = "6"
    & skf21("1","3","6","7","7","4","4","1") = "6"
    & skf21("1","3","6","7","7","4","5","1") = "6"
    & skf21("1","3","6","7","7","4","6","1") = "6"
    & skf21("1","3","6","7","7","4","7","1") = "6"
    & skf21("1","3","6","7","7","5","1","1") = "6"
    & skf21("1","3","6","7","7","5","2","1") = "6"
    & skf21("1","3","6","7","7","5","3","1") = "6"
    & skf21("1","3","6","7","7","5","4","1") = "6"
    & skf21("1","3","6","7","7","5","5","1") = "6"
    & skf21("1","3","6","7","7","5","6","1") = "6"
    & skf21("1","3","6","7","7","5","7","1") = "6"
    & skf21("1","3","6","7","7","6","1","1") = "6"
    & skf21("1","3","6","7","7","6","2","1") = "6"
    & skf21("1","3","6","7","7","6","3","1") = "6"
    & skf21("1","3","6","7","7","6","4","1") = "6"
    & skf21("1","3","6","7","7","6","5","1") = "6"
    & skf21("1","3","6","7","7","6","6","1") = "6"
    & skf21("1","3","6","7","7","6","7","1") = "6"
    & skf21("1","3","6","7","7","7","1","1") = "6"
    & skf21("1","3","6","7","7","7","2","1") = "6"
    & skf21("1","3","6","7","7","7","3","1") = "6"
    & skf21("1","3","6","7","7","7","4","1") = "6"
    & skf21("1","3","6","7","7","7","5","1") = "6"
    & skf21("1","3","6","7","7","7","6","1") = "6"
    & skf21("1","3","6","7","7","7","7","1") = "6"
    & skf21("1","3","7","1","1","1","1","1") = "6"
    & skf21("1","3","7","1","1","1","2","1") = "6"
    & skf21("1","3","7","1","1","1","3","1") = "6"
    & skf21("1","3","7","1","1","1","4","1") = "6"
    & skf21("1","3","7","1","1","1","5","1") = "6"
    & skf21("1","3","7","1","1","1","6","1") = "6"
    & skf21("1","3","7","1","1","1","7","1") = "6"
    & skf21("1","3","7","1","1","2","1","1") = "6"
    & skf21("1","3","7","1","1","2","2","1") = "6"
    & skf21("1","3","7","1","1","2","3","1") = "6"
    & skf21("1","3","7","1","1","2","4","1") = "6"
    & skf21("1","3","7","1","1","2","5","1") = "6"
    & skf21("1","3","7","1","1","2","6","1") = "6"
    & skf21("1","3","7","1","1","2","7","1") = "6"
    & skf21("1","3","7","1","1","3","1","1") = "6"
    & skf21("1","3","7","1","1","3","2","1") = "6"
    & skf21("1","3","7","1","1","3","3","1") = "6"
    & skf21("1","3","7","1","1","3","4","1") = "6"
    & skf21("1","3","7","1","1","3","5","1") = "6"
    & skf21("1","3","7","1","1","3","6","1") = "6"
    & skf21("1","3","7","1","1","3","7","1") = "6"
    & skf21("1","3","7","1","1","4","1","1") = "6"
    & skf21("1","3","7","1","1","4","2","1") = "6"
    & skf21("1","3","7","1","1","4","3","1") = "6"
    & skf21("1","3","7","1","1","4","4","1") = "6"
    & skf21("1","3","7","1","1","4","5","1") = "6"
    & skf21("1","3","7","1","1","4","6","1") = "6"
    & skf21("1","3","7","1","1","4","7","1") = "6"
    & skf21("1","3","7","1","1","5","1","1") = "6"
    & skf21("1","3","7","1","1","5","2","1") = "6"
    & skf21("1","3","7","1","1","5","3","1") = "6"
    & skf21("1","3","7","1","1","5","4","1") = "6"
    & skf21("1","3","7","1","1","5","5","1") = "6"
    & skf21("1","3","7","1","1","5","6","1") = "6"
    & skf21("1","3","7","1","1","5","7","1") = "6"
    & skf21("1","3","7","1","1","6","1","1") = "6"
    & skf21("1","3","7","1","1","6","2","1") = "6"
    & skf21("1","3","7","1","1","6","3","1") = "6"
    & skf21("1","3","7","1","1","6","4","1") = "6"
    & skf21("1","3","7","1","1","6","5","1") = "6"
    & skf21("1","3","7","1","1","6","6","1") = "6"
    & skf21("1","3","7","1","1","6","7","1") = "6"
    & skf21("1","3","7","1","1","7","1","1") = "6"
    & skf21("1","3","7","1","1","7","2","1") = "6"
    & skf21("1","3","7","1","1","7","3","1") = "6"
    & skf21("1","3","7","1","1","7","4","1") = "6"
    & skf21("1","3","7","1","1","7","5","1") = "6"
    & skf21("1","3","7","1","1","7","6","1") = "6"
    & skf21("1","3","7","1","1","7","7","1") = "6"
    & skf21("1","3","7","1","2","1","1","1") = "6"
    & skf21("1","3","7","1","2","1","2","1") = "6"
    & skf21("1","3","7","1","2","1","3","1") = "6"
    & skf21("1","3","7","1","2","1","4","1") = "6"
    & skf21("1","3","7","1","2","1","5","1") = "6"
    & skf21("1","3","7","1","2","1","6","1") = "6"
    & skf21("1","3","7","1","2","1","7","1") = "6"
    & skf21("1","3","7","1","2","2","1","1") = "6"
    & skf21("1","3","7","1","2","2","2","1") = "6"
    & skf21("1","3","7","1","2","2","3","1") = "6"
    & skf21("1","3","7","1","2","2","4","1") = "6"
    & skf21("1","3","7","1","2","2","5","1") = "6"
    & skf21("1","3","7","1","2","2","6","1") = "6"
    & skf21("1","3","7","1","2","2","7","1") = "6"
    & skf21("1","3","7","1","2","3","1","1") = "6"
    & skf21("1","3","7","1","2","3","2","1") = "6"
    & skf21("1","3","7","1","2","3","3","1") = "6"
    & skf21("1","3","7","1","2","3","4","1") = "6"
    & skf21("1","3","7","1","2","3","5","1") = "6"
    & skf21("1","3","7","1","2","3","6","1") = "6"
    & skf21("1","3","7","1","2","3","7","1") = "6"
    & skf21("1","3","7","1","2","4","1","1") = "6"
    & skf21("1","3","7","1","2","4","2","1") = "6"
    & skf21("1","3","7","1","2","4","3","1") = "6"
    & skf21("1","3","7","1","2","4","4","1") = "6"
    & skf21("1","3","7","1","2","4","5","1") = "6"
    & skf21("1","3","7","1","2","4","6","1") = "6"
    & skf21("1","3","7","1","2","4","7","1") = "6"
    & skf21("1","3","7","1","2","5","1","1") = "6"
    & skf21("1","3","7","1","2","5","2","1") = "6"
    & skf21("1","3","7","1","2","5","3","1") = "6"
    & skf21("1","3","7","1","2","5","4","1") = "6"
    & skf21("1","3","7","1","2","5","5","1") = "6"
    & skf21("1","3","7","1","2","5","6","1") = "6"
    & skf21("1","3","7","1","2","5","7","1") = "6"
    & skf21("1","3","7","1","2","6","1","1") = "6"
    & skf21("1","3","7","1","2","6","2","1") = "6"
    & skf21("1","3","7","1","2","6","3","1") = "6"
    & skf21("1","3","7","1","2","6","4","1") = "6"
    & skf21("1","3","7","1","2","6","5","1") = "6"
    & skf21("1","3","7","1","2","6","6","1") = "6"
    & skf21("1","3","7","1","2","6","7","1") = "6"
    & skf21("1","3","7","1","2","7","1","1") = "6"
    & skf21("1","3","7","1","2","7","2","1") = "6"
    & skf21("1","3","7","1","2","7","3","1") = "6"
    & skf21("1","3","7","1","2","7","4","1") = "6"
    & skf21("1","3","7","1","2","7","5","1") = "6"
    & skf21("1","3","7","1","2","7","6","1") = "6"
    & skf21("1","3","7","1","2","7","7","1") = "6"
    & skf21("1","3","7","1","3","1","1","1") = "6"
    & skf21("1","3","7","1","3","1","2","1") = "6"
    & skf21("1","3","7","1","3","1","3","1") = "6"
    & skf21("1","3","7","1","3","1","4","1") = "6"
    & skf21("1","3","7","1","3","1","5","1") = "6"
    & skf21("1","3","7","1","3","1","6","1") = "6"
    & skf21("1","3","7","1","3","1","7","1") = "6"
    & skf21("1","3","7","1","3","2","1","1") = "6"
    & skf21("1","3","7","1","3","2","2","1") = "6"
    & skf21("1","3","7","1","3","2","3","1") = "6"
    & skf21("1","3","7","1","3","2","4","1") = "6"
    & skf21("1","3","7","1","3","2","5","1") = "6"
    & skf21("1","3","7","1","3","2","6","1") = "6"
    & skf21("1","3","7","1","3","2","7","1") = "6"
    & skf21("1","3","7","1","3","3","1","1") = "6"
    & skf21("1","3","7","1","3","3","2","1") = "6"
    & skf21("1","3","7","1","3","3","3","1") = "6"
    & skf21("1","3","7","1","3","3","4","1") = "6"
    & skf21("1","3","7","1","3","3","5","1") = "6"
    & skf21("1","3","7","1","3","3","6","1") = "6"
    & skf21("1","3","7","1","3","3","7","1") = "6"
    & skf21("1","3","7","1","3","4","1","1") = "6"
    & skf21("1","3","7","1","3","4","2","1") = "6"
    & skf21("1","3","7","1","3","4","3","1") = "6"
    & skf21("1","3","7","1","3","4","4","1") = "6"
    & skf21("1","3","7","1","3","4","5","1") = "6"
    & skf21("1","3","7","1","3","4","6","1") = "6"
    & skf21("1","3","7","1","3","4","7","1") = "6"
    & skf21("1","3","7","1","3","5","1","1") = "6"
    & skf21("1","3","7","1","3","5","2","1") = "6"
    & skf21("1","3","7","1","3","5","3","1") = "6"
    & skf21("1","3","7","1","3","5","4","1") = "6"
    & skf21("1","3","7","1","3","5","5","1") = "6"
    & skf21("1","3","7","1","3","5","6","1") = "6"
    & skf21("1","3","7","1","3","5","7","1") = "6"
    & skf21("1","3","7","1","3","6","1","1") = "6"
    & skf21("1","3","7","1","3","6","2","1") = "6"
    & skf21("1","3","7","1","3","6","3","1") = "6"
    & skf21("1","3","7","1","3","6","4","1") = "6"
    & skf21("1","3","7","1","3","6","5","1") = "6"
    & skf21("1","3","7","1","3","6","6","1") = "6"
    & skf21("1","3","7","1","3","6","7","1") = "6"
    & skf21("1","3","7","1","3","7","1","1") = "6"
    & skf21("1","3","7","1","3","7","2","1") = "6"
    & skf21("1","3","7","1","3","7","3","1") = "6"
    & skf21("1","3","7","1","3","7","4","1") = "6"
    & skf21("1","3","7","1","3","7","5","1") = "6"
    & skf21("1","3","7","1","3","7","6","1") = "6"
    & skf21("1","3","7","1","3","7","7","1") = "6"
    & skf21("1","3","7","1","4","1","1","1") = "6"
    & skf21("1","3","7","1","4","1","2","1") = "6"
    & skf21("1","3","7","1","4","1","3","1") = "6"
    & skf21("1","3","7","1","4","1","4","1") = "6"
    & skf21("1","3","7","1","4","1","5","1") = "6"
    & skf21("1","3","7","1","4","1","6","1") = "6"
    & skf21("1","3","7","1","4","1","7","1") = "6"
    & skf21("1","3","7","1","4","2","1","1") = "6"
    & skf21("1","3","7","1","4","2","2","1") = "6"
    & skf21("1","3","7","1","4","2","3","1") = "6"
    & skf21("1","3","7","1","4","2","4","1") = "6"
    & skf21("1","3","7","1","4","2","5","1") = "6"
    & skf21("1","3","7","1","4","2","6","1") = "6"
    & skf21("1","3","7","1","4","2","7","1") = "6"
    & skf21("1","3","7","1","4","3","1","1") = "6"
    & skf21("1","3","7","1","4","3","2","1") = "6"
    & skf21("1","3","7","1","4","3","3","1") = "6"
    & skf21("1","3","7","1","4","3","4","1") = "6"
    & skf21("1","3","7","1","4","3","5","1") = "6"
    & skf21("1","3","7","1","4","3","6","1") = "6"
    & skf21("1","3","7","1","4","3","7","1") = "6"
    & skf21("1","3","7","1","4","4","1","1") = "6"
    & skf21("1","3","7","1","4","4","2","1") = "6"
    & skf21("1","3","7","1","4","4","3","1") = "6"
    & skf21("1","3","7","1","4","4","4","1") = "6"
    & skf21("1","3","7","1","4","4","5","1") = "6"
    & skf21("1","3","7","1","4","4","6","1") = "6"
    & skf21("1","3","7","1","4","4","7","1") = "6"
    & skf21("1","3","7","1","4","5","1","1") = "6"
    & skf21("1","3","7","1","4","5","2","1") = "6"
    & skf21("1","3","7","1","4","5","3","1") = "6"
    & skf21("1","3","7","1","4","5","4","1") = "6"
    & skf21("1","3","7","1","4","5","5","1") = "6"
    & skf21("1","3","7","1","4","5","6","1") = "6"
    & skf21("1","3","7","1","4","5","7","1") = "6"
    & skf21("1","3","7","1","4","6","1","1") = "6"
    & skf21("1","3","7","1","4","6","2","1") = "6"
    & skf21("1","3","7","1","4","6","3","1") = "6"
    & skf21("1","3","7","1","4","6","4","1") = "6"
    & skf21("1","3","7","1","4","6","5","1") = "6"
    & skf21("1","3","7","1","4","6","6","1") = "6"
    & skf21("1","3","7","1","4","6","7","1") = "6"
    & skf21("1","3","7","1","4","7","1","1") = "6"
    & skf21("1","3","7","1","4","7","2","1") = "6"
    & skf21("1","3","7","1","4","7","3","1") = "6"
    & skf21("1","3","7","1","4","7","4","1") = "6"
    & skf21("1","3","7","1","4","7","5","1") = "6"
    & skf21("1","3","7","1","4","7","6","1") = "6"
    & skf21("1","3","7","1","4","7","7","1") = "6"
    & skf21("1","3","7","1","5","1","1","1") = "6"
    & skf21("1","3","7","1","5","1","2","1") = "6"
    & skf21("1","3","7","1","5","1","3","1") = "6"
    & skf21("1","3","7","1","5","1","4","1") = "6"
    & skf21("1","3","7","1","5","1","5","1") = "6"
    & skf21("1","3","7","1","5","1","6","1") = "6"
    & skf21("1","3","7","1","5","1","7","1") = "6"
    & skf21("1","3","7","1","5","2","1","1") = "6"
    & skf21("1","3","7","1","5","2","2","1") = "6"
    & skf21("1","3","7","1","5","2","3","1") = "6"
    & skf21("1","3","7","1","5","2","4","1") = "6"
    & skf21("1","3","7","1","5","2","5","1") = "6"
    & skf21("1","3","7","1","5","2","6","1") = "6"
    & skf21("1","3","7","1","5","2","7","1") = "6"
    & skf21("1","3","7","1","5","3","1","1") = "6"
    & skf21("1","3","7","1","5","3","2","1") = "6"
    & skf21("1","3","7","1","5","3","3","1") = "6"
    & skf21("1","3","7","1","5","3","4","1") = "6"
    & skf21("1","3","7","1","5","3","5","1") = "6"
    & skf21("1","3","7","1","5","3","6","1") = "6"
    & skf21("1","3","7","1","5","3","7","1") = "6"
    & skf21("1","3","7","1","5","4","1","1") = "6"
    & skf21("1","3","7","1","5","4","2","1") = "6"
    & skf21("1","3","7","1","5","4","3","1") = "6"
    & skf21("1","3","7","1","5","4","4","1") = "6"
    & skf21("1","3","7","1","5","4","5","1") = "6"
    & skf21("1","3","7","1","5","4","6","1") = "6"
    & skf21("1","3","7","1","5","4","7","1") = "6"
    & skf21("1","3","7","1","5","5","1","1") = "6"
    & skf21("1","3","7","1","5","5","2","1") = "6"
    & skf21("1","3","7","1","5","5","3","1") = "6"
    & skf21("1","3","7","1","5","5","4","1") = "6"
    & skf21("1","3","7","1","5","5","5","1") = "6"
    & skf21("1","3","7","1","5","5","6","1") = "6"
    & skf21("1","3","7","1","5","5","7","1") = "6"
    & skf21("1","3","7","1","5","6","1","1") = "6"
    & skf21("1","3","7","1","5","6","2","1") = "6"
    & skf21("1","3","7","1","5","6","3","1") = "6"
    & skf21("1","3","7","1","5","6","4","1") = "6"
    & skf21("1","3","7","1","5","6","5","1") = "6"
    & skf21("1","3","7","1","5","6","6","1") = "6"
    & skf21("1","3","7","1","5","6","7","1") = "6"
    & skf21("1","3","7","1","5","7","1","1") = "6"
    & skf21("1","3","7","1","5","7","2","1") = "6"
    & skf21("1","3","7","1","5","7","3","1") = "6"
    & skf21("1","3","7","1","5","7","4","1") = "6"
    & skf21("1","3","7","1","5","7","5","1") = "6"
    & skf21("1","3","7","1","5","7","6","1") = "6"
    & skf21("1","3","7","1","5","7","7","1") = "6"
    & skf21("1","3","7","1","6","1","1","1") = "6"
    & skf21("1","3","7","1","6","1","2","1") = "6"
    & skf21("1","3","7","1","6","1","3","1") = "6"
    & skf21("1","3","7","1","6","1","4","1") = "6"
    & skf21("1","3","7","1","6","1","5","1") = "6"
    & skf21("1","3","7","1","6","1","6","1") = "6"
    & skf21("1","3","7","1","6","1","7","1") = "6"
    & skf21("1","3","7","1","6","2","1","1") = "6"
    & skf21("1","3","7","1","6","2","2","1") = "6"
    & skf21("1","3","7","1","6","2","3","1") = "6"
    & skf21("1","3","7","1","6","2","4","1") = "6"
    & skf21("1","3","7","1","6","2","5","1") = "6"
    & skf21("1","3","7","1","6","2","6","1") = "6"
    & skf21("1","3","7","1","6","2","7","1") = "6"
    & skf21("1","3","7","1","6","3","1","1") = "6"
    & skf21("1","3","7","1","6","3","2","1") = "6"
    & skf21("1","3","7","1","6","3","3","1") = "6"
    & skf21("1","3","7","1","6","3","4","1") = "6"
    & skf21("1","3","7","1","6","3","5","1") = "6"
    & skf21("1","3","7","1","6","3","6","1") = "6"
    & skf21("1","3","7","1","6","3","7","1") = "6"
    & skf21("1","3","7","1","6","4","1","1") = "6"
    & skf21("1","3","7","1","6","4","2","1") = "6"
    & skf21("1","3","7","1","6","4","3","1") = "6"
    & skf21("1","3","7","1","6","4","4","1") = "6"
    & skf21("1","3","7","1","6","4","5","1") = "6"
    & skf21("1","3","7","1","6","4","6","1") = "6"
    & skf21("1","3","7","1","6","4","7","1") = "6"
    & skf21("1","3","7","1","6","5","1","1") = "6"
    & skf21("1","3","7","1","6","5","2","1") = "6"
    & skf21("1","3","7","1","6","5","3","1") = "6"
    & skf21("1","3","7","1","6","5","4","1") = "6"
    & skf21("1","3","7","1","6","5","5","1") = "6"
    & skf21("1","3","7","1","6","5","6","1") = "6"
    & skf21("1","3","7","1","6","5","7","1") = "6"
    & skf21("1","3","7","1","6","6","1","1") = "6"
    & skf21("1","3","7","1","6","6","2","1") = "6"
    & skf21("1","3","7","1","6","6","3","1") = "6"
    & skf21("1","3","7","1","6","6","4","1") = "6"
    & skf21("1","3","7","1","6","6","5","1") = "6"
    & skf21("1","3","7","1","6","6","6","1") = "6"
    & skf21("1","3","7","1","6","6","7","1") = "6"
    & skf21("1","3","7","1","6","7","1","1") = "6"
    & skf21("1","3","7","1","6","7","2","1") = "6"
    & skf21("1","3","7","1","6","7","3","1") = "6"
    & skf21("1","3","7","1","6","7","4","1") = "6"
    & skf21("1","3","7","1","6","7","5","1") = "6"
    & skf21("1","3","7","1","6","7","6","1") = "6"
    & skf21("1","3","7","1","6","7","7","1") = "6"
    & skf21("1","3","7","1","7","1","1","1") = "6"
    & skf21("1","3","7","1","7","1","2","1") = "6"
    & skf21("1","3","7","1","7","1","3","1") = "6"
    & skf21("1","3","7","1","7","1","4","1") = "6"
    & skf21("1","3","7","1","7","1","5","1") = "6"
    & skf21("1","3","7","1","7","1","6","1") = "6"
    & skf21("1","3","7","1","7","1","7","1") = "6"
    & skf21("1","3","7","1","7","2","1","1") = "6"
    & skf21("1","3","7","1","7","2","2","1") = "6"
    & skf21("1","3","7","1","7","2","3","1") = "6"
    & skf21("1","3","7","1","7","2","4","1") = "6"
    & skf21("1","3","7","1","7","2","5","1") = "6"
    & skf21("1","3","7","1","7","2","6","1") = "6"
    & skf21("1","3","7","1","7","2","7","1") = "6"
    & skf21("1","3","7","1","7","3","1","1") = "6"
    & skf21("1","3","7","1","7","3","2","1") = "6"
    & skf21("1","3","7","1","7","3","3","1") = "6"
    & skf21("1","3","7","1","7","3","4","1") = "6"
    & skf21("1","3","7","1","7","3","5","1") = "6"
    & skf21("1","3","7","1","7","3","6","1") = "6"
    & skf21("1","3","7","1","7","3","7","1") = "6"
    & skf21("1","3","7","1","7","4","1","1") = "6"
    & skf21("1","3","7","1","7","4","2","1") = "6"
    & skf21("1","3","7","1","7","4","3","1") = "6"
    & skf21("1","3","7","1","7","4","4","1") = "6"
    & skf21("1","3","7","1","7","4","5","1") = "6"
    & skf21("1","3","7","1","7","4","6","1") = "6"
    & skf21("1","3","7","1","7","4","7","1") = "6"
    & skf21("1","3","7","1","7","5","1","1") = "6"
    & skf21("1","3","7","1","7","5","2","1") = "6"
    & skf21("1","3","7","1","7","5","3","1") = "6"
    & skf21("1","3","7","1","7","5","4","1") = "6"
    & skf21("1","3","7","1","7","5","5","1") = "6"
    & skf21("1","3","7","1","7","5","6","1") = "6"
    & skf21("1","3","7","1","7","5","7","1") = "6"
    & skf21("1","3","7","1","7","6","1","1") = "6"
    & skf21("1","3","7","1","7","6","2","1") = "6"
    & skf21("1","3","7","1","7","6","3","1") = "6"
    & skf21("1","3","7","1","7","6","4","1") = "6"
    & skf21("1","3","7","1","7","6","5","1") = "6"
    & skf21("1","3","7","1","7","6","6","1") = "6"
    & skf21("1","3","7","1","7","6","7","1") = "6"
    & skf21("1","3","7","1","7","7","1","1") = "6"
    & skf21("1","3","7","1","7","7","2","1") = "6"
    & skf21("1","3","7","1","7","7","3","1") = "6"
    & skf21("1","3","7","1","7","7","4","1") = "6"
    & skf21("1","3","7","1","7","7","5","1") = "6"
    & skf21("1","3","7","1","7","7","6","1") = "6"
    & skf21("1","3","7","1","7","7","7","1") = "6"
    & skf21("1","3","7","2","1","1","1","1") = "6"
    & skf21("1","3","7","2","1","1","2","1") = "6"
    & skf21("1","3","7","2","1","1","3","1") = "6"
    & skf21("1","3","7","2","1","1","4","1") = "6"
    & skf21("1","3","7","2","1","1","5","1") = "6"
    & skf21("1","3","7","2","1","1","6","1") = "6"
    & skf21("1","3","7","2","1","1","7","1") = "6"
    & skf21("1","3","7","2","1","2","1","1") = "6"
    & skf21("1","3","7","2","1","2","2","1") = "6"
    & skf21("1","3","7","2","1","2","3","1") = "6"
    & skf21("1","3","7","2","1","2","4","1") = "6"
    & skf21("1","3","7","2","1","2","5","1") = "6"
    & skf21("1","3","7","2","1","2","6","1") = "6"
    & skf21("1","3","7","2","1","2","7","1") = "6"
    & skf21("1","3","7","2","1","3","1","1") = "6"
    & skf21("1","3","7","2","1","3","2","1") = "6"
    & skf21("1","3","7","2","1","3","3","1") = "6"
    & skf21("1","3","7","2","1","3","4","1") = "6"
    & skf21("1","3","7","2","1","3","5","1") = "6"
    & skf21("1","3","7","2","1","3","6","1") = "6"
    & skf21("1","3","7","2","1","3","7","1") = "6"
    & skf21("1","3","7","2","1","4","1","1") = "6"
    & skf21("1","3","7","2","1","4","2","1") = "6"
    & skf21("1","3","7","2","1","4","3","1") = "6"
    & skf21("1","3","7","2","1","4","4","1") = "6"
    & skf21("1","3","7","2","1","4","5","1") = "6"
    & skf21("1","3","7","2","1","4","6","1") = "6"
    & skf21("1","3","7","2","1","4","7","1") = "6"
    & skf21("1","3","7","2","1","5","1","1") = "6"
    & skf21("1","3","7","2","1","5","2","1") = "6"
    & skf21("1","3","7","2","1","5","3","1") = "6"
    & skf21("1","3","7","2","1","5","4","1") = "6"
    & skf21("1","3","7","2","1","5","5","1") = "6"
    & skf21("1","3","7","2","1","5","6","1") = "6"
    & skf21("1","3","7","2","1","5","7","1") = "6"
    & skf21("1","3","7","2","1","6","1","1") = "6"
    & skf21("1","3","7","2","1","6","2","1") = "6"
    & skf21("1","3","7","2","1","6","3","1") = "6"
    & skf21("1","3","7","2","1","6","4","1") = "6"
    & skf21("1","3","7","2","1","6","5","1") = "6"
    & skf21("1","3","7","2","1","6","6","1") = "6"
    & skf21("1","3","7","2","1","6","7","1") = "6"
    & skf21("1","3","7","2","1","7","1","1") = "6"
    & skf21("1","3","7","2","1","7","2","1") = "6"
    & skf21("1","3","7","2","1","7","3","1") = "6"
    & skf21("1","3","7","2","1","7","4","1") = "6"
    & skf21("1","3","7","2","1","7","5","1") = "6"
    & skf21("1","3","7","2","1","7","6","1") = "6"
    & skf21("1","3","7","2","1","7","7","1") = "6"
    & skf21("1","3","7","2","2","1","1","1") = "6"
    & skf21("1","3","7","2","2","1","2","1") = "6"
    & skf21("1","3","7","2","2","1","3","1") = "6"
    & skf21("1","3","7","2","2","1","4","1") = "6"
    & skf21("1","3","7","2","2","1","5","1") = "6"
    & skf21("1","3","7","2","2","1","6","1") = "6"
    & skf21("1","3","7","2","2","1","7","1") = "6"
    & skf21("1","3","7","2","2","2","1","1") = "6"
    & skf21("1","3","7","2","2","2","2","1") = "6"
    & skf21("1","3","7","2","2","2","3","1") = "6"
    & skf21("1","3","7","2","2","2","4","1") = "6"
    & skf21("1","3","7","2","2","2","5","1") = "6"
    & skf21("1","3","7","2","2","2","6","1") = "6"
    & skf21("1","3","7","2","2","2","7","1") = "6"
    & skf21("1","3","7","2","2","3","1","1") = "6"
    & skf21("1","3","7","2","2","3","2","1") = "6"
    & skf21("1","3","7","2","2","3","3","1") = "6"
    & skf21("1","3","7","2","2","3","4","1") = "6"
    & skf21("1","3","7","2","2","3","5","1") = "6"
    & skf21("1","3","7","2","2","3","6","1") = "6"
    & skf21("1","3","7","2","2","3","7","1") = "6"
    & skf21("1","3","7","2","2","4","1","1") = "6"
    & skf21("1","3","7","2","2","4","2","1") = "6"
    & skf21("1","3","7","2","2","4","3","1") = "6"
    & skf21("1","3","7","2","2","4","4","1") = "6"
    & skf21("1","3","7","2","2","4","5","1") = "6"
    & skf21("1","3","7","2","2","4","6","1") = "6"
    & skf21("1","3","7","2","2","4","7","1") = "6"
    & skf21("1","3","7","2","2","5","1","1") = "6"
    & skf21("1","3","7","2","2","5","2","1") = "6"
    & skf21("1","3","7","2","2","5","3","1") = "6"
    & skf21("1","3","7","2","2","5","4","1") = "6"
    & skf21("1","3","7","2","2","5","5","1") = "6"
    & skf21("1","3","7","2","2","5","6","1") = "6"
    & skf21("1","3","7","2","2","5","7","1") = "6"
    & skf21("1","3","7","2","2","6","1","1") = "6"
    & skf21("1","3","7","2","2","6","2","1") = "6"
    & skf21("1","3","7","2","2","6","3","1") = "6"
    & skf21("1","3","7","2","2","6","4","1") = "6"
    & skf21("1","3","7","2","2","6","5","1") = "6"
    & skf21("1","3","7","2","2","6","6","1") = "6"
    & skf21("1","3","7","2","2","6","7","1") = "6"
    & skf21("1","3","7","2","2","7","1","1") = "6"
    & skf21("1","3","7","2","2","7","2","1") = "6"
    & skf21("1","3","7","2","2","7","3","1") = "6"
    & skf21("1","3","7","2","2","7","4","1") = "6"
    & skf21("1","3","7","2","2","7","5","1") = "6"
    & skf21("1","3","7","2","2","7","6","1") = "6"
    & skf21("1","3","7","2","2","7","7","1") = "6"
    & skf21("1","3","7","2","3","1","1","1") = "6"
    & skf21("1","3","7","2","3","1","2","1") = "6"
    & skf21("1","3","7","2","3","1","3","1") = "6"
    & skf21("1","3","7","2","3","1","4","1") = "6"
    & skf21("1","3","7","2","3","1","5","1") = "6"
    & skf21("1","3","7","2","3","1","6","1") = "6"
    & skf21("1","3","7","2","3","1","7","1") = "6"
    & skf21("1","3","7","2","3","2","1","1") = "6"
    & skf21("1","3","7","2","3","2","2","1") = "6"
    & skf21("1","3","7","2","3","2","3","1") = "6"
    & skf21("1","3","7","2","3","2","4","1") = "6"
    & skf21("1","3","7","2","3","2","5","1") = "6"
    & skf21("1","3","7","2","3","2","6","1") = "6"
    & skf21("1","3","7","2","3","2","7","1") = "6"
    & skf21("1","3","7","2","3","3","1","1") = "6"
    & skf21("1","3","7","2","3","3","2","1") = "6"
    & skf21("1","3","7","2","3","3","3","1") = "6"
    & skf21("1","3","7","2","3","3","4","1") = "6"
    & skf21("1","3","7","2","3","3","5","1") = "6"
    & skf21("1","3","7","2","3","3","6","1") = "6"
    & skf21("1","3","7","2","3","3","7","1") = "6"
    & skf21("1","3","7","2","3","4","1","1") = "6"
    & skf21("1","3","7","2","3","4","2","1") = "6"
    & skf21("1","3","7","2","3","4","3","1") = "6"
    & skf21("1","3","7","2","3","4","4","1") = "6"
    & skf21("1","3","7","2","3","4","5","1") = "6"
    & skf21("1","3","7","2","3","4","6","1") = "6"
    & skf21("1","3","7","2","3","4","7","1") = "6"
    & skf21("1","3","7","2","3","5","1","1") = "6"
    & skf21("1","3","7","2","3","5","2","1") = "6"
    & skf21("1","3","7","2","3","5","3","1") = "6"
    & skf21("1","3","7","2","3","5","4","1") = "6"
    & skf21("1","3","7","2","3","5","5","1") = "6"
    & skf21("1","3","7","2","3","5","6","1") = "6"
    & skf21("1","3","7","2","3","5","7","1") = "6"
    & skf21("1","3","7","2","3","6","1","1") = "6"
    & skf21("1","3","7","2","3","6","2","1") = "6"
    & skf21("1","3","7","2","3","6","3","1") = "6"
    & skf21("1","3","7","2","3","6","4","1") = "6"
    & skf21("1","3","7","2","3","6","5","1") = "6"
    & skf21("1","3","7","2","3","6","6","1") = "6"
    & skf21("1","3","7","2","3","6","7","1") = "6"
    & skf21("1","3","7","2","3","7","1","1") = "6"
    & skf21("1","3","7","2","3","7","2","1") = "6"
    & skf21("1","3","7","2","3","7","3","1") = "6"
    & skf21("1","3","7","2","3","7","4","1") = "6"
    & skf21("1","3","7","2","3","7","5","1") = "6"
    & skf21("1","3","7","2","3","7","6","1") = "6"
    & skf21("1","3","7","2","3","7","7","1") = "6"
    & skf21("1","3","7","2","4","1","1","1") = "6"
    & skf21("1","3","7","2","4","1","2","1") = "6"
    & skf21("1","3","7","2","4","1","3","1") = "6"
    & skf21("1","3","7","2","4","1","4","1") = "6"
    & skf21("1","3","7","2","4","1","5","1") = "6"
    & skf21("1","3","7","2","4","1","6","1") = "6"
    & skf21("1","3","7","2","4","1","7","1") = "6"
    & skf21("1","3","7","2","4","2","1","1") = "6"
    & skf21("1","3","7","2","4","2","2","1") = "6"
    & skf21("1","3","7","2","4","2","3","1") = "6"
    & skf21("1","3","7","2","4","2","4","1") = "6"
    & skf21("1","3","7","2","4","2","5","1") = "6"
    & skf21("1","3","7","2","4","2","6","1") = "6"
    & skf21("1","3","7","2","4","2","7","1") = "6"
    & skf21("1","3","7","2","4","3","1","1") = "6"
    & skf21("1","3","7","2","4","3","2","1") = "6"
    & skf21("1","3","7","2","4","3","3","1") = "6"
    & skf21("1","3","7","2","4","3","4","1") = "6"
    & skf21("1","3","7","2","4","3","5","1") = "6"
    & skf21("1","3","7","2","4","3","6","1") = "6"
    & skf21("1","3","7","2","4","3","7","1") = "6"
    & skf21("1","3","7","2","4","4","1","1") = "6"
    & skf21("1","3","7","2","4","4","2","1") = "6"
    & skf21("1","3","7","2","4","4","3","1") = "6"
    & skf21("1","3","7","2","4","4","4","1") = "6"
    & skf21("1","3","7","2","4","4","5","1") = "6"
    & skf21("1","3","7","2","4","4","6","1") = "6"
    & skf21("1","3","7","2","4","4","7","1") = "6"
    & skf21("1","3","7","2","4","5","1","1") = "6"
    & skf21("1","3","7","2","4","5","2","1") = "6"
    & skf21("1","3","7","2","4","5","3","1") = "6"
    & skf21("1","3","7","2","4","5","4","1") = "6"
    & skf21("1","3","7","2","4","5","5","1") = "6"
    & skf21("1","3","7","2","4","5","6","1") = "6"
    & skf21("1","3","7","2","4","5","7","1") = "6"
    & skf21("1","3","7","2","4","6","1","1") = "6"
    & skf21("1","3","7","2","4","6","2","1") = "6"
    & skf21("1","3","7","2","4","6","3","1") = "6"
    & skf21("1","3","7","2","4","6","4","1") = "6"
    & skf21("1","3","7","2","4","6","5","1") = "6"
    & skf21("1","3","7","2","4","6","6","1") = "6"
    & skf21("1","3","7","2","4","6","7","1") = "6"
    & skf21("1","3","7","2","4","7","1","1") = "6"
    & skf21("1","3","7","2","4","7","2","1") = "6"
    & skf21("1","3","7","2","4","7","3","1") = "6"
    & skf21("1","3","7","2","4","7","4","1") = "6"
    & skf21("1","3","7","2","4","7","5","1") = "6"
    & skf21("1","3","7","2","4","7","6","1") = "6"
    & skf21("1","3","7","2","4","7","7","1") = "6"
    & skf21("1","3","7","2","5","1","1","1") = "6"
    & skf21("1","3","7","2","5","1","2","1") = "6"
    & skf21("1","3","7","2","5","1","3","1") = "6"
    & skf21("1","3","7","2","5","1","4","1") = "6"
    & skf21("1","3","7","2","5","1","5","1") = "6"
    & skf21("1","3","7","2","5","1","6","1") = "6"
    & skf21("1","3","7","2","5","1","7","1") = "6"
    & skf21("1","3","7","2","5","2","1","1") = "6"
    & skf21("1","3","7","2","5","2","2","1") = "6"
    & skf21("1","3","7","2","5","2","3","1") = "6"
    & skf21("1","3","7","2","5","2","4","1") = "6"
    & skf21("1","3","7","2","5","2","5","1") = "6"
    & skf21("1","3","7","2","5","2","6","1") = "6"
    & skf21("1","3","7","2","5","2","7","1") = "6"
    & skf21("1","3","7","2","5","3","1","1") = "6"
    & skf21("1","3","7","2","5","3","2","1") = "6"
    & skf21("1","3","7","2","5","3","3","1") = "6"
    & skf21("1","3","7","2","5","3","4","1") = "6"
    & skf21("1","3","7","2","5","3","5","1") = "6"
    & skf21("1","3","7","2","5","3","6","1") = "6"
    & skf21("1","3","7","2","5","3","7","1") = "6"
    & skf21("1","3","7","2","5","4","1","1") = "6"
    & skf21("1","3","7","2","5","4","2","1") = "6"
    & skf21("1","3","7","2","5","4","3","1") = "6"
    & skf21("1","3","7","2","5","4","4","1") = "6"
    & skf21("1","3","7","2","5","4","5","1") = "6"
    & skf21("1","3","7","2","5","4","6","1") = "6"
    & skf21("1","3","7","2","5","4","7","1") = "6"
    & skf21("1","3","7","2","5","5","1","1") = "6"
    & skf21("1","3","7","2","5","5","2","1") = "6"
    & skf21("1","3","7","2","5","5","3","1") = "6"
    & skf21("1","3","7","2","5","5","4","1") = "6"
    & skf21("1","3","7","2","5","5","5","1") = "6"
    & skf21("1","3","7","2","5","5","6","1") = "6"
    & skf21("1","3","7","2","5","5","7","1") = "6"
    & skf21("1","3","7","2","5","6","1","1") = "6"
    & skf21("1","3","7","2","5","6","2","1") = "6"
    & skf21("1","3","7","2","5","6","3","1") = "6"
    & skf21("1","3","7","2","5","6","4","1") = "6"
    & skf21("1","3","7","2","5","6","5","1") = "6"
    & skf21("1","3","7","2","5","6","6","1") = "6"
    & skf21("1","3","7","2","5","6","7","1") = "6"
    & skf21("1","3","7","2","5","7","1","1") = "6"
    & skf21("1","3","7","2","5","7","2","1") = "6"
    & skf21("1","3","7","2","5","7","3","1") = "6"
    & skf21("1","3","7","2","5","7","4","1") = "6"
    & skf21("1","3","7","2","5","7","5","1") = "6"
    & skf21("1","3","7","2","5","7","6","1") = "6"
    & skf21("1","3","7","2","5","7","7","1") = "6"
    & skf21("1","3","7","2","6","1","1","1") = "6"
    & skf21("1","3","7","2","6","1","2","1") = "6"
    & skf21("1","3","7","2","6","1","3","1") = "6"
    & skf21("1","3","7","2","6","1","4","1") = "6"
    & skf21("1","3","7","2","6","1","5","1") = "6"
    & skf21("1","3","7","2","6","1","6","1") = "6"
    & skf21("1","3","7","2","6","1","7","1") = "6"
    & skf21("1","3","7","2","6","2","1","1") = "6"
    & skf21("1","3","7","2","6","2","2","1") = "6"
    & skf21("1","3","7","2","6","2","3","1") = "6"
    & skf21("1","3","7","2","6","2","4","1") = "6"
    & skf21("1","3","7","2","6","2","5","1") = "6"
    & skf21("1","3","7","2","6","2","6","1") = "6"
    & skf21("1","3","7","2","6","2","7","1") = "6"
    & skf21("1","3","7","2","6","3","1","1") = "6"
    & skf21("1","3","7","2","6","3","2","1") = "6"
    & skf21("1","3","7","2","6","3","3","1") = "6"
    & skf21("1","3","7","2","6","3","4","1") = "6"
    & skf21("1","3","7","2","6","3","5","1") = "6"
    & skf21("1","3","7","2","6","3","6","1") = "6"
    & skf21("1","3","7","2","6","3","7","1") = "6"
    & skf21("1","3","7","2","6","4","1","1") = "6"
    & skf21("1","3","7","2","6","4","2","1") = "6"
    & skf21("1","3","7","2","6","4","3","1") = "6"
    & skf21("1","3","7","2","6","4","4","1") = "6"
    & skf21("1","3","7","2","6","4","5","1") = "6"
    & skf21("1","3","7","2","6","4","6","1") = "6"
    & skf21("1","3","7","2","6","4","7","1") = "6"
    & skf21("1","3","7","2","6","5","1","1") = "6"
    & skf21("1","3","7","2","6","5","2","1") = "6"
    & skf21("1","3","7","2","6","5","3","1") = "6"
    & skf21("1","3","7","2","6","5","4","1") = "6"
    & skf21("1","3","7","2","6","5","5","1") = "6"
    & skf21("1","3","7","2","6","5","6","1") = "6"
    & skf21("1","3","7","2","6","5","7","1") = "6"
    & skf21("1","3","7","2","6","6","1","1") = "6"
    & skf21("1","3","7","2","6","6","2","1") = "6"
    & skf21("1","3","7","2","6","6","3","1") = "6"
    & skf21("1","3","7","2","6","6","4","1") = "6"
    & skf21("1","3","7","2","6","6","5","1") = "6"
    & skf21("1","3","7","2","6","6","6","1") = "6"
    & skf21("1","3","7","2","6","6","7","1") = "6"
    & skf21("1","3","7","2","6","7","1","1") = "6"
    & skf21("1","3","7","2","6","7","2","1") = "6"
    & skf21("1","3","7","2","6","7","3","1") = "6"
    & skf21("1","3","7","2","6","7","4","1") = "6"
    & skf21("1","3","7","2","6","7","5","1") = "6"
    & skf21("1","3","7","2","6","7","6","1") = "6"
    & skf21("1","3","7","2","6","7","7","1") = "6"
    & skf21("1","3","7","2","7","1","1","1") = "6"
    & skf21("1","3","7","2","7","1","2","1") = "6"
    & skf21("1","3","7","2","7","1","3","1") = "6"
    & skf21("1","3","7","2","7","1","4","1") = "6"
    & skf21("1","3","7","2","7","1","5","1") = "6"
    & skf21("1","3","7","2","7","1","6","1") = "6"
    & skf21("1","3","7","2","7","1","7","1") = "6"
    & skf21("1","3","7","2","7","2","1","1") = "6"
    & skf21("1","3","7","2","7","2","2","1") = "6"
    & skf21("1","3","7","2","7","2","3","1") = "6"
    & skf21("1","3","7","2","7","2","4","1") = "6"
    & skf21("1","3","7","2","7","2","5","1") = "6"
    & skf21("1","3","7","2","7","2","6","1") = "6"
    & skf21("1","3","7","2","7","2","7","1") = "6"
    & skf21("1","3","7","2","7","3","1","1") = "6"
    & skf21("1","3","7","2","7","3","2","1") = "6"
    & skf21("1","3","7","2","7","3","3","1") = "6"
    & skf21("1","3","7","2","7","3","4","1") = "6"
    & skf21("1","3","7","2","7","3","5","1") = "6"
    & skf21("1","3","7","2","7","3","6","1") = "6"
    & skf21("1","3","7","2","7","3","7","1") = "6"
    & skf21("1","3","7","2","7","4","1","1") = "6"
    & skf21("1","3","7","2","7","4","2","1") = "6"
    & skf21("1","3","7","2","7","4","3","1") = "6"
    & skf21("1","3","7","2","7","4","4","1") = "6"
    & skf21("1","3","7","2","7","4","5","1") = "6"
    & skf21("1","3","7","2","7","4","6","1") = "6"
    & skf21("1","3","7","2","7","4","7","1") = "6"
    & skf21("1","3","7","2","7","5","1","1") = "6"
    & skf21("1","3","7","2","7","5","2","1") = "6"
    & skf21("1","3","7","2","7","5","3","1") = "6"
    & skf21("1","3","7","2","7","5","4","1") = "6"
    & skf21("1","3","7","2","7","5","5","1") = "6"
    & skf21("1","3","7","2","7","5","6","1") = "6"
    & skf21("1","3","7","2","7","5","7","1") = "6"
    & skf21("1","3","7","2","7","6","1","1") = "6"
    & skf21("1","3","7","2","7","6","2","1") = "6"
    & skf21("1","3","7","2","7","6","3","1") = "6"
    & skf21("1","3","7","2","7","6","4","1") = "6"
    & skf21("1","3","7","2","7","6","5","1") = "6"
    & skf21("1","3","7","2","7","6","6","1") = "6"
    & skf21("1","3","7","2","7","6","7","1") = "6"
    & skf21("1","3","7","2","7","7","1","1") = "6"
    & skf21("1","3","7","2","7","7","2","1") = "6"
    & skf21("1","3","7","2","7","7","3","1") = "6"
    & skf21("1","3","7","2","7","7","4","1") = "6"
    & skf21("1","3","7","2","7","7","5","1") = "6"
    & skf21("1","3","7","2","7","7","6","1") = "6"
    & skf21("1","3","7","2","7","7","7","1") = "6"
    & skf21("1","3","7","3","1","1","1","1") = "6"
    & skf21("1","3","7","3","1","1","2","1") = "6"
    & skf21("1","3","7","3","1","1","3","1") = "6"
    & skf21("1","3","7","3","1","1","4","1") = "6"
    & skf21("1","3","7","3","1","1","5","1") = "6"
    & skf21("1","3","7","3","1","1","6","1") = "6"
    & skf21("1","3","7","3","1","1","7","1") = "6"
    & skf21("1","3","7","3","1","2","1","1") = "6"
    & skf21("1","3","7","3","1","2","2","1") = "6"
    & skf21("1","3","7","3","1","2","3","1") = "6"
    & skf21("1","3","7","3","1","2","4","1") = "6"
    & skf21("1","3","7","3","1","2","5","1") = "6"
    & skf21("1","3","7","3","1","2","6","1") = "6"
    & skf21("1","3","7","3","1","2","7","1") = "6"
    & skf21("1","3","7","3","1","3","1","1") = "6"
    & skf21("1","3","7","3","1","3","2","1") = "6"
    & skf21("1","3","7","3","1","3","3","1") = "6"
    & skf21("1","3","7","3","1","3","4","1") = "6"
    & skf21("1","3","7","3","1","3","5","1") = "6"
    & skf21("1","3","7","3","1","3","6","1") = "6"
    & skf21("1","3","7","3","1","3","7","1") = "6"
    & skf21("1","3","7","3","1","4","1","1") = "6"
    & skf21("1","3","7","3","1","4","2","1") = "6"
    & skf21("1","3","7","3","1","4","3","1") = "6"
    & skf21("1","3","7","3","1","4","4","1") = "6"
    & skf21("1","3","7","3","1","4","5","1") = "6"
    & skf21("1","3","7","3","1","4","6","1") = "6"
    & skf21("1","3","7","3","1","4","7","1") = "6"
    & skf21("1","3","7","3","1","5","1","1") = "6"
    & skf21("1","3","7","3","1","5","2","1") = "6"
    & skf21("1","3","7","3","1","5","3","1") = "6"
    & skf21("1","3","7","3","1","5","4","1") = "6"
    & skf21("1","3","7","3","1","5","5","1") = "6"
    & skf21("1","3","7","3","1","5","6","1") = "6"
    & skf21("1","3","7","3","1","5","7","1") = "6"
    & skf21("1","3","7","3","1","6","1","1") = "6"
    & skf21("1","3","7","3","1","6","2","1") = "6"
    & skf21("1","3","7","3","1","6","3","1") = "6"
    & skf21("1","3","7","3","1","6","4","1") = "6"
    & skf21("1","3","7","3","1","6","5","1") = "6"
    & skf21("1","3","7","3","1","6","6","1") = "6"
    & skf21("1","3","7","3","1","6","7","1") = "6"
    & skf21("1","3","7","3","1","7","1","1") = "6"
    & skf21("1","3","7","3","1","7","2","1") = "6"
    & skf21("1","3","7","3","1","7","3","1") = "6"
    & skf21("1","3","7","3","1","7","4","1") = "6"
    & skf21("1","3","7","3","1","7","5","1") = "6"
    & skf21("1","3","7","3","1","7","6","1") = "6"
    & skf21("1","3","7","3","1","7","7","1") = "6"
    & skf21("1","3","7","3","2","1","1","1") = "6"
    & skf21("1","3","7","3","2","1","2","1") = "6"
    & skf21("1","3","7","3","2","1","3","1") = "6"
    & skf21("1","3","7","3","2","1","4","1") = "6"
    & skf21("1","3","7","3","2","1","5","1") = "6"
    & skf21("1","3","7","3","2","1","6","1") = "6"
    & skf21("1","3","7","3","2","1","7","1") = "6"
    & skf21("1","3","7","3","2","2","1","1") = "6"
    & skf21("1","3","7","3","2","2","2","1") = "6"
    & skf21("1","3","7","3","2","2","3","1") = "6"
    & skf21("1","3","7","3","2","2","4","1") = "6"
    & skf21("1","3","7","3","2","2","5","1") = "6"
    & skf21("1","3","7","3","2","2","6","1") = "6"
    & skf21("1","3","7","3","2","2","7","1") = "6"
    & skf21("1","3","7","3","2","3","1","1") = "6"
    & skf21("1","3","7","3","2","3","2","1") = "6"
    & skf21("1","3","7","3","2","3","3","1") = "6"
    & skf21("1","3","7","3","2","3","4","1") = "6"
    & skf21("1","3","7","3","2","3","5","1") = "6"
    & skf21("1","3","7","3","2","3","6","1") = "6"
    & skf21("1","3","7","3","2","3","7","1") = "6"
    & skf21("1","3","7","3","2","4","1","1") = "6"
    & skf21("1","3","7","3","2","4","2","1") = "6"
    & skf21("1","3","7","3","2","4","3","1") = "6"
    & skf21("1","3","7","3","2","4","4","1") = "6"
    & skf21("1","3","7","3","2","4","5","1") = "6"
    & skf21("1","3","7","3","2","4","6","1") = "6"
    & skf21("1","3","7","3","2","4","7","1") = "6"
    & skf21("1","3","7","3","2","5","1","1") = "6"
    & skf21("1","3","7","3","2","5","2","1") = "6"
    & skf21("1","3","7","3","2","5","3","1") = "6"
    & skf21("1","3","7","3","2","5","4","1") = "6"
    & skf21("1","3","7","3","2","5","5","1") = "6"
    & skf21("1","3","7","3","2","5","6","1") = "6"
    & skf21("1","3","7","3","2","5","7","1") = "6"
    & skf21("1","3","7","3","2","6","1","1") = "6"
    & skf21("1","3","7","3","2","6","2","1") = "6"
    & skf21("1","3","7","3","2","6","3","1") = "6"
    & skf21("1","3","7","3","2","6","4","1") = "6"
    & skf21("1","3","7","3","2","6","5","1") = "6"
    & skf21("1","3","7","3","2","6","6","1") = "6"
    & skf21("1","3","7","3","2","6","7","1") = "6"
    & skf21("1","3","7","3","2","7","1","1") = "6"
    & skf21("1","3","7","3","2","7","2","1") = "6"
    & skf21("1","3","7","3","2","7","3","1") = "6"
    & skf21("1","3","7","3","2","7","4","1") = "6"
    & skf21("1","3","7","3","2","7","5","1") = "6"
    & skf21("1","3","7","3","2","7","6","1") = "6"
    & skf21("1","3","7","3","2","7","7","1") = "6"
    & skf21("1","3","7","3","3","1","1","1") = "6"
    & skf21("1","3","7","3","3","1","2","1") = "6"
    & skf21("1","3","7","3","3","1","3","1") = "6"
    & skf21("1","3","7","3","3","1","4","1") = "6"
    & skf21("1","3","7","3","3","1","5","1") = "6"
    & skf21("1","3","7","3","3","1","6","1") = "6"
    & skf21("1","3","7","3","3","1","7","1") = "6"
    & skf21("1","3","7","3","3","2","1","1") = "6"
    & skf21("1","3","7","3","3","2","2","1") = "6"
    & skf21("1","3","7","3","3","2","3","1") = "6"
    & skf21("1","3","7","3","3","2","4","1") = "6"
    & skf21("1","3","7","3","3","2","5","1") = "6"
    & skf21("1","3","7","3","3","2","6","1") = "6"
    & skf21("1","3","7","3","3","2","7","1") = "6"
    & skf21("1","3","7","3","3","3","1","1") = "6"
    & skf21("1","3","7","3","3","3","2","1") = "6"
    & skf21("1","3","7","3","3","3","3","1") = "6"
    & skf21("1","3","7","3","3","3","4","1") = "6"
    & skf21("1","3","7","3","3","3","5","1") = "6"
    & skf21("1","3","7","3","3","3","6","1") = "6"
    & skf21("1","3","7","3","3","3","7","1") = "6"
    & skf21("1","3","7","3","3","4","1","1") = "6"
    & skf21("1","3","7","3","3","4","2","1") = "6"
    & skf21("1","3","7","3","3","4","3","1") = "6"
    & skf21("1","3","7","3","3","4","4","1") = "6"
    & skf21("1","3","7","3","3","4","5","1") = "6"
    & skf21("1","3","7","3","3","4","6","1") = "6"
    & skf21("1","3","7","3","3","4","7","1") = "6"
    & skf21("1","3","7","3","3","5","1","1") = "6"
    & skf21("1","3","7","3","3","5","2","1") = "6"
    & skf21("1","3","7","3","3","5","3","1") = "6"
    & skf21("1","3","7","3","3","5","4","1") = "6"
    & skf21("1","3","7","3","3","5","5","1") = "6"
    & skf21("1","3","7","3","3","5","6","1") = "6"
    & skf21("1","3","7","3","3","5","7","1") = "6"
    & skf21("1","3","7","3","3","6","1","1") = "6"
    & skf21("1","3","7","3","3","6","2","1") = "6"
    & skf21("1","3","7","3","3","6","3","1") = "6"
    & skf21("1","3","7","3","3","6","4","1") = "6"
    & skf21("1","3","7","3","3","6","5","1") = "6"
    & skf21("1","3","7","3","3","6","6","1") = "6"
    & skf21("1","3","7","3","3","6","7","1") = "6"
    & skf21("1","3","7","3","3","7","1","1") = "6"
    & skf21("1","3","7","3","3","7","2","1") = "6"
    & skf21("1","3","7","3","3","7","3","1") = "6"
    & skf21("1","3","7","3","3","7","4","1") = "6"
    & skf21("1","3","7","3","3","7","5","1") = "6"
    & skf21("1","3","7","3","3","7","6","1") = "6"
    & skf21("1","3","7","3","3","7","7","1") = "6"
    & skf21("1","3","7","3","4","1","1","1") = "6"
    & skf21("1","3","7","3","4","1","2","1") = "6"
    & skf21("1","3","7","3","4","1","3","1") = "6"
    & skf21("1","3","7","3","4","1","4","1") = "6"
    & skf21("1","3","7","3","4","1","5","1") = "6"
    & skf21("1","3","7","3","4","1","6","1") = "6"
    & skf21("1","3","7","3","4","1","7","1") = "6"
    & skf21("1","3","7","3","4","2","1","1") = "6"
    & skf21("1","3","7","3","4","2","2","1") = "6"
    & skf21("1","3","7","3","4","2","3","1") = "6"
    & skf21("1","3","7","3","4","2","4","1") = "6"
    & skf21("1","3","7","3","4","2","5","1") = "6"
    & skf21("1","3","7","3","4","2","6","1") = "6"
    & skf21("1","3","7","3","4","2","7","1") = "6"
    & skf21("1","3","7","3","4","3","1","1") = "6"
    & skf21("1","3","7","3","4","3","2","1") = "6"
    & skf21("1","3","7","3","4","3","3","1") = "6"
    & skf21("1","3","7","3","4","3","4","1") = "6"
    & skf21("1","3","7","3","4","3","5","1") = "6"
    & skf21("1","3","7","3","4","3","6","1") = "6"
    & skf21("1","3","7","3","4","3","7","1") = "6"
    & skf21("1","3","7","3","4","4","1","1") = "6"
    & skf21("1","3","7","3","4","4","2","1") = "6"
    & skf21("1","3","7","3","4","4","3","1") = "6"
    & skf21("1","3","7","3","4","4","4","1") = "6"
    & skf21("1","3","7","3","4","4","5","1") = "6"
    & skf21("1","3","7","3","4","4","6","1") = "6"
    & skf21("1","3","7","3","4","4","7","1") = "6"
    & skf21("1","3","7","3","4","5","1","1") = "6"
    & skf21("1","3","7","3","4","5","2","1") = "6"
    & skf21("1","3","7","3","4","5","3","1") = "6"
    & skf21("1","3","7","3","4","5","4","1") = "6"
    & skf21("1","3","7","3","4","5","5","1") = "6"
    & skf21("1","3","7","3","4","5","6","1") = "6"
    & skf21("1","3","7","3","4","5","7","1") = "6"
    & skf21("1","3","7","3","4","6","1","1") = "6"
    & skf21("1","3","7","3","4","6","2","1") = "6"
    & skf21("1","3","7","3","4","6","3","1") = "6"
    & skf21("1","3","7","3","4","6","4","1") = "6"
    & skf21("1","3","7","3","4","6","5","1") = "6"
    & skf21("1","3","7","3","4","6","6","1") = "6"
    & skf21("1","3","7","3","4","6","7","1") = "6"
    & skf21("1","3","7","3","4","7","1","1") = "6"
    & skf21("1","3","7","3","4","7","2","1") = "6"
    & skf21("1","3","7","3","4","7","3","1") = "6"
    & skf21("1","3","7","3","4","7","4","1") = "6"
    & skf21("1","3","7","3","4","7","5","1") = "6"
    & skf21("1","3","7","3","4","7","6","1") = "6"
    & skf21("1","3","7","3","4","7","7","1") = "6"
    & skf21("1","3","7","3","5","1","1","1") = "6"
    & skf21("1","3","7","3","5","1","2","1") = "6"
    & skf21("1","3","7","3","5","1","3","1") = "6"
    & skf21("1","3","7","3","5","1","4","1") = "6"
    & skf21("1","3","7","3","5","1","5","1") = "6"
    & skf21("1","3","7","3","5","1","6","1") = "6"
    & skf21("1","3","7","3","5","1","7","1") = "6"
    & skf21("1","3","7","3","5","2","1","1") = "6"
    & skf21("1","3","7","3","5","2","2","1") = "6"
    & skf21("1","3","7","3","5","2","3","1") = "6"
    & skf21("1","3","7","3","5","2","4","1") = "6"
    & skf21("1","3","7","3","5","2","5","1") = "6"
    & skf21("1","3","7","3","5","2","6","1") = "6"
    & skf21("1","3","7","3","5","2","7","1") = "6"
    & skf21("1","3","7","3","5","3","1","1") = "6"
    & skf21("1","3","7","3","5","3","2","1") = "6"
    & skf21("1","3","7","3","5","3","3","1") = "6"
    & skf21("1","3","7","3","5","3","4","1") = "6"
    & skf21("1","3","7","3","5","3","5","1") = "6"
    & skf21("1","3","7","3","5","3","6","1") = "6"
    & skf21("1","3","7","3","5","3","7","1") = "6"
    & skf21("1","3","7","3","5","4","1","1") = "6"
    & skf21("1","3","7","3","5","4","2","1") = "6"
    & skf21("1","3","7","3","5","4","3","1") = "6"
    & skf21("1","3","7","3","5","4","4","1") = "6"
    & skf21("1","3","7","3","5","4","5","1") = "6"
    & skf21("1","3","7","3","5","4","6","1") = "6"
    & skf21("1","3","7","3","5","4","7","1") = "6"
    & skf21("1","3","7","3","5","5","1","1") = "6"
    & skf21("1","3","7","3","5","5","2","1") = "6"
    & skf21("1","3","7","3","5","5","3","1") = "6"
    & skf21("1","3","7","3","5","5","4","1") = "6"
    & skf21("1","3","7","3","5","5","5","1") = "6"
    & skf21("1","3","7","3","5","5","6","1") = "6"
    & skf21("1","3","7","3","5","5","7","1") = "6"
    & skf21("1","3","7","3","5","6","1","1") = "6"
    & skf21("1","3","7","3","5","6","2","1") = "6"
    & skf21("1","3","7","3","5","6","3","1") = "6"
    & skf21("1","3","7","3","5","6","4","1") = "6"
    & skf21("1","3","7","3","5","6","5","1") = "6"
    & skf21("1","3","7","3","5","6","6","1") = "6"
    & skf21("1","3","7","3","5","6","7","1") = "6"
    & skf21("1","3","7","3","5","7","1","1") = "6"
    & skf21("1","3","7","3","5","7","2","1") = "6"
    & skf21("1","3","7","3","5","7","3","1") = "6"
    & skf21("1","3","7","3","5","7","4","1") = "6"
    & skf21("1","3","7","3","5","7","5","1") = "6"
    & skf21("1","3","7","3","5","7","6","1") = "6"
    & skf21("1","3","7","3","5","7","7","1") = "6"
    & skf21("1","3","7","3","6","1","1","1") = "6"
    & skf21("1","3","7","3","6","1","2","1") = "6"
    & skf21("1","3","7","3","6","1","3","1") = "6"
    & skf21("1","3","7","3","6","1","4","1") = "6"
    & skf21("1","3","7","3","6","1","5","1") = "6"
    & skf21("1","3","7","3","6","1","6","1") = "6"
    & skf21("1","3","7","3","6","1","7","1") = "6"
    & skf21("1","3","7","3","6","2","1","1") = "6"
    & skf21("1","3","7","3","6","2","2","1") = "6"
    & skf21("1","3","7","3","6","2","3","1") = "6"
    & skf21("1","3","7","3","6","2","4","1") = "6"
    & skf21("1","3","7","3","6","2","5","1") = "6"
    & skf21("1","3","7","3","6","2","6","1") = "6"
    & skf21("1","3","7","3","6","2","7","1") = "6"
    & skf21("1","3","7","3","6","3","1","1") = "6"
    & skf21("1","3","7","3","6","3","2","1") = "6"
    & skf21("1","3","7","3","6","3","3","1") = "6"
    & skf21("1","3","7","3","6","3","4","1") = "6"
    & skf21("1","3","7","3","6","3","5","1") = "6"
    & skf21("1","3","7","3","6","3","6","1") = "6"
    & skf21("1","3","7","3","6","3","7","1") = "6"
    & skf21("1","3","7","3","6","4","1","1") = "6"
    & skf21("1","3","7","3","6","4","2","1") = "6"
    & skf21("1","3","7","3","6","4","3","1") = "6"
    & skf21("1","3","7","3","6","4","4","1") = "6"
    & skf21("1","3","7","3","6","4","5","1") = "6"
    & skf21("1","3","7","3","6","4","6","1") = "6"
    & skf21("1","3","7","3","6","4","7","1") = "6"
    & skf21("1","3","7","3","6","5","1","1") = "6"
    & skf21("1","3","7","3","6","5","2","1") = "6"
    & skf21("1","3","7","3","6","5","3","1") = "6"
    & skf21("1","3","7","3","6","5","4","1") = "6"
    & skf21("1","3","7","3","6","5","5","1") = "6"
    & skf21("1","3","7","3","6","5","6","1") = "6"
    & skf21("1","3","7","3","6","5","7","1") = "6"
    & skf21("1","3","7","3","6","6","1","1") = "6"
    & skf21("1","3","7","3","6","6","2","1") = "6"
    & skf21("1","3","7","3","6","6","3","1") = "6"
    & skf21("1","3","7","3","6","6","4","1") = "6"
    & skf21("1","3","7","3","6","6","5","1") = "6"
    & skf21("1","3","7","3","6","6","6","1") = "6"
    & skf21("1","3","7","3","6","6","7","1") = "6"
    & skf21("1","3","7","3","6","7","1","1") = "6"
    & skf21("1","3","7","3","6","7","2","1") = "6"
    & skf21("1","3","7","3","6","7","3","1") = "6"
    & skf21("1","3","7","3","6","7","4","1") = "6"
    & skf21("1","3","7","3","6","7","5","1") = "6"
    & skf21("1","3","7","3","6","7","6","1") = "6"
    & skf21("1","3","7","3","6","7","7","1") = "6"
    & skf21("1","3","7","3","7","1","1","1") = "6"
    & skf21("1","3","7","3","7","1","2","1") = "6"
    & skf21("1","3","7","3","7","1","3","1") = "6"
    & skf21("1","3","7","3","7","1","4","1") = "6"
    & skf21("1","3","7","3","7","1","5","1") = "6"
    & skf21("1","3","7","3","7","1","6","1") = "6"
    & skf21("1","3","7","3","7","1","7","1") = "6"
    & skf21("1","3","7","3","7","2","1","1") = "6"
    & skf21("1","3","7","3","7","2","2","1") = "6"
    & skf21("1","3","7","3","7","2","3","1") = "6"
    & skf21("1","3","7","3","7","2","4","1") = "6"
    & skf21("1","3","7","3","7","2","5","1") = "6"
    & skf21("1","3","7","3","7","2","6","1") = "6"
    & skf21("1","3","7","3","7","2","7","1") = "6"
    & skf21("1","3","7","3","7","3","1","1") = "6"
    & skf21("1","3","7","3","7","3","2","1") = "6"
    & skf21("1","3","7","3","7","3","3","1") = "6"
    & skf21("1","3","7","3","7","3","4","1") = "6"
    & skf21("1","3","7","3","7","3","5","1") = "6"
    & skf21("1","3","7","3","7","3","6","1") = "6"
    & skf21("1","3","7","3","7","3","7","1") = "6"
    & skf21("1","3","7","3","7","4","1","1") = "6"
    & skf21("1","3","7","3","7","4","2","1") = "6"
    & skf21("1","3","7","3","7","4","3","1") = "6"
    & skf21("1","3","7","3","7","4","4","1") = "6"
    & skf21("1","3","7","3","7","4","5","1") = "6"
    & skf21("1","3","7","3","7","4","6","1") = "6"
    & skf21("1","3","7","3","7","4","7","1") = "6"
    & skf21("1","3","7","3","7","5","1","1") = "6"
    & skf21("1","3","7","3","7","5","2","1") = "6"
    & skf21("1","3","7","3","7","5","3","1") = "6"
    & skf21("1","3","7","3","7","5","4","1") = "6"
    & skf21("1","3","7","3","7","5","5","1") = "6"
    & skf21("1","3","7","3","7","5","6","1") = "6"
    & skf21("1","3","7","3","7","5","7","1") = "6"
    & skf21("1","3","7","3","7","6","1","1") = "6"
    & skf21("1","3","7","3","7","6","2","1") = "6"
    & skf21("1","3","7","3","7","6","3","1") = "6"
    & skf21("1","3","7","3","7","6","4","1") = "6"
    & skf21("1","3","7","3","7","6","5","1") = "6"
    & skf21("1","3","7","3","7","6","6","1") = "6"
    & skf21("1","3","7","3","7","6","7","1") = "6"
    & skf21("1","3","7","3","7","7","1","1") = "6"
    & skf21("1","3","7","3","7","7","2","1") = "6"
    & skf21("1","3","7","3","7","7","3","1") = "6"
    & skf21("1","3","7","3","7","7","4","1") = "6"
    & skf21("1","3","7","3","7","7","5","1") = "6"
    & skf21("1","3","7","3","7","7","6","1") = "6"
    & skf21("1","3","7","3","7","7","7","1") = "6"
    & skf21("1","3","7","4","1","1","1","1") = "6"
    & skf21("1","3","7","4","1","1","2","1") = "6"
    & skf21("1","3","7","4","1","1","3","1") = "6"
    & skf21("1","3","7","4","1","1","4","1") = "6"
    & skf21("1","3","7","4","1","1","5","1") = "6"
    & skf21("1","3","7","4","1","1","6","1") = "6"
    & skf21("1","3","7","4","1","1","7","1") = "6"
    & skf21("1","3","7","4","1","2","1","1") = "6"
    & skf21("1","3","7","4","1","2","2","1") = "6"
    & skf21("1","3","7","4","1","2","3","1") = "6"
    & skf21("1","3","7","4","1","2","4","1") = "6"
    & skf21("1","3","7","4","1","2","5","1") = "6"
    & skf21("1","3","7","4","1","2","6","1") = "6"
    & skf21("1","3","7","4","1","2","7","1") = "6"
    & skf21("1","3","7","4","1","3","1","1") = "6"
    & skf21("1","3","7","4","1","3","2","1") = "6"
    & skf21("1","3","7","4","1","3","3","1") = "6"
    & skf21("1","3","7","4","1","3","4","1") = "6"
    & skf21("1","3","7","4","1","3","5","1") = "6"
    & skf21("1","3","7","4","1","3","6","1") = "6"
    & skf21("1","3","7","4","1","3","7","1") = "6"
    & skf21("1","3","7","4","1","4","1","1") = "6"
    & skf21("1","3","7","4","1","4","2","1") = "6"
    & skf21("1","3","7","4","1","4","3","1") = "6"
    & skf21("1","3","7","4","1","4","4","1") = "6"
    & skf21("1","3","7","4","1","4","5","1") = "6"
    & skf21("1","3","7","4","1","4","6","1") = "6"
    & skf21("1","3","7","4","1","4","7","1") = "6"
    & skf21("1","3","7","4","1","5","1","1") = "6"
    & skf21("1","3","7","4","1","5","2","1") = "6"
    & skf21("1","3","7","4","1","5","3","1") = "6"
    & skf21("1","3","7","4","1","5","4","1") = "6"
    & skf21("1","3","7","4","1","5","5","1") = "6"
    & skf21("1","3","7","4","1","5","6","1") = "6"
    & skf21("1","3","7","4","1","5","7","1") = "6"
    & skf21("1","3","7","4","1","6","1","1") = "6"
    & skf21("1","3","7","4","1","6","2","1") = "6"
    & skf21("1","3","7","4","1","6","3","1") = "6"
    & skf21("1","3","7","4","1","6","4","1") = "6"
    & skf21("1","3","7","4","1","6","5","1") = "6"
    & skf21("1","3","7","4","1","6","6","1") = "6"
    & skf21("1","3","7","4","1","6","7","1") = "6"
    & skf21("1","3","7","4","1","7","1","1") = "6"
    & skf21("1","3","7","4","1","7","2","1") = "6"
    & skf21("1","3","7","4","1","7","3","1") = "6"
    & skf21("1","3","7","4","1","7","4","1") = "6"
    & skf21("1","3","7","4","1","7","5","1") = "6"
    & skf21("1","3","7","4","1","7","6","1") = "6"
    & skf21("1","3","7","4","1","7","7","1") = "6"
    & skf21("1","3","7","4","2","1","1","1") = "6"
    & skf21("1","3","7","4","2","1","2","1") = "6"
    & skf21("1","3","7","4","2","1","3","1") = "6"
    & skf21("1","3","7","4","2","1","4","1") = "6"
    & skf21("1","3","7","4","2","1","5","1") = "6"
    & skf21("1","3","7","4","2","1","6","1") = "6"
    & skf21("1","3","7","4","2","1","7","1") = "6"
    & skf21("1","3","7","4","2","2","1","1") = "6"
    & skf21("1","3","7","4","2","2","2","1") = "6"
    & skf21("1","3","7","4","2","2","3","1") = "6"
    & skf21("1","3","7","4","2","2","4","1") = "6"
    & skf21("1","3","7","4","2","2","5","1") = "6"
    & skf21("1","3","7","4","2","2","6","1") = "6"
    & skf21("1","3","7","4","2","2","7","1") = "6"
    & skf21("1","3","7","4","2","3","1","1") = "6"
    & skf21("1","3","7","4","2","3","2","1") = "6"
    & skf21("1","3","7","4","2","3","3","1") = "6"
    & skf21("1","3","7","4","2","3","4","1") = "6"
    & skf21("1","3","7","4","2","3","5","1") = "6"
    & skf21("1","3","7","4","2","3","6","1") = "6"
    & skf21("1","3","7","4","2","3","7","1") = "6"
    & skf21("1","3","7","4","2","4","1","1") = "6"
    & skf21("1","3","7","4","2","4","2","1") = "6"
    & skf21("1","3","7","4","2","4","3","1") = "6"
    & skf21("1","3","7","4","2","4","4","1") = "6"
    & skf21("1","3","7","4","2","4","5","1") = "6"
    & skf21("1","3","7","4","2","4","6","1") = "6"
    & skf21("1","3","7","4","2","4","7","1") = "6"
    & skf21("1","3","7","4","2","5","1","1") = "6"
    & skf21("1","3","7","4","2","5","2","1") = "6"
    & skf21("1","3","7","4","2","5","3","1") = "6"
    & skf21("1","3","7","4","2","5","4","1") = "6"
    & skf21("1","3","7","4","2","5","5","1") = "6"
    & skf21("1","3","7","4","2","5","6","1") = "6"
    & skf21("1","3","7","4","2","5","7","1") = "6"
    & skf21("1","3","7","4","2","6","1","1") = "6"
    & skf21("1","3","7","4","2","6","2","1") = "6"
    & skf21("1","3","7","4","2","6","3","1") = "6"
    & skf21("1","3","7","4","2","6","4","1") = "6"
    & skf21("1","3","7","4","2","6","5","1") = "6"
    & skf21("1","3","7","4","2","6","6","1") = "6"
    & skf21("1","3","7","4","2","6","7","1") = "6"
    & skf21("1","3","7","4","2","7","1","1") = "6"
    & skf21("1","3","7","4","2","7","2","1") = "6"
    & skf21("1","3","7","4","2","7","3","1") = "6"
    & skf21("1","3","7","4","2","7","4","1") = "6"
    & skf21("1","3","7","4","2","7","5","1") = "6"
    & skf21("1","3","7","4","2","7","6","1") = "6"
    & skf21("1","3","7","4","2","7","7","1") = "6"
    & skf21("1","3","7","4","3","1","1","1") = "6"
    & skf21("1","3","7","4","3","1","2","1") = "6"
    & skf21("1","3","7","4","3","1","3","1") = "6"
    & skf21("1","3","7","4","3","1","4","1") = "6"
    & skf21("1","3","7","4","3","1","5","1") = "6"
    & skf21("1","3","7","4","3","1","6","1") = "6"
    & skf21("1","3","7","4","3","1","7","1") = "6"
    & skf21("1","3","7","4","3","2","1","1") = "6"
    & skf21("1","3","7","4","3","2","2","1") = "6"
    & skf21("1","3","7","4","3","2","3","1") = "6"
    & skf21("1","3","7","4","3","2","4","1") = "6"
    & skf21("1","3","7","4","3","2","5","1") = "6"
    & skf21("1","3","7","4","3","2","6","1") = "6"
    & skf21("1","3","7","4","3","2","7","1") = "6"
    & skf21("1","3","7","4","3","3","1","1") = "6"
    & skf21("1","3","7","4","3","3","2","1") = "6"
    & skf21("1","3","7","4","3","3","3","1") = "6"
    & skf21("1","3","7","4","3","3","4","1") = "6"
    & skf21("1","3","7","4","3","3","5","1") = "6"
    & skf21("1","3","7","4","3","3","6","1") = "6"
    & skf21("1","3","7","4","3","3","7","1") = "6"
    & skf21("1","3","7","4","3","4","1","1") = "6"
    & skf21("1","3","7","4","3","4","2","1") = "6"
    & skf21("1","3","7","4","3","4","3","1") = "6"
    & skf21("1","3","7","4","3","4","4","1") = "6"
    & skf21("1","3","7","4","3","4","5","1") = "6"
    & skf21("1","3","7","4","3","4","6","1") = "6"
    & skf21("1","3","7","4","3","4","7","1") = "6"
    & skf21("1","3","7","4","3","5","1","1") = "6"
    & skf21("1","3","7","4","3","5","2","1") = "6"
    & skf21("1","3","7","4","3","5","3","1") = "6"
    & skf21("1","3","7","4","3","5","4","1") = "6"
    & skf21("1","3","7","4","3","5","5","1") = "6"
    & skf21("1","3","7","4","3","5","6","1") = "6"
    & skf21("1","3","7","4","3","5","7","1") = "6"
    & skf21("1","3","7","4","3","6","1","1") = "6"
    & skf21("1","3","7","4","3","6","2","1") = "6"
    & skf21("1","3","7","4","3","6","3","1") = "6"
    & skf21("1","3","7","4","3","6","4","1") = "6"
    & skf21("1","3","7","4","3","6","5","1") = "6"
    & skf21("1","3","7","4","3","6","6","1") = "6"
    & skf21("1","3","7","4","3","6","7","1") = "6"
    & skf21("1","3","7","4","3","7","1","1") = "6"
    & skf21("1","3","7","4","3","7","2","1") = "6"
    & skf21("1","3","7","4","3","7","3","1") = "6"
    & skf21("1","3","7","4","3","7","4","1") = "6"
    & skf21("1","3","7","4","3","7","5","1") = "6"
    & skf21("1","3","7","4","3","7","6","1") = "6"
    & skf21("1","3","7","4","3","7","7","1") = "6"
    & skf21("1","3","7","4","4","1","1","1") = "6"
    & skf21("1","3","7","4","4","1","2","1") = "6"
    & skf21("1","3","7","4","4","1","3","1") = "6"
    & skf21("1","3","7","4","4","1","4","1") = "6"
    & skf21("1","3","7","4","4","1","5","1") = "6"
    & skf21("1","3","7","4","4","1","6","1") = "6"
    & skf21("1","3","7","4","4","1","7","1") = "6"
    & skf21("1","3","7","4","4","2","1","1") = "6"
    & skf21("1","3","7","4","4","2","2","1") = "6"
    & skf21("1","3","7","4","4","2","3","1") = "6"
    & skf21("1","3","7","4","4","2","4","1") = "6"
    & skf21("1","3","7","4","4","2","5","1") = "6"
    & skf21("1","3","7","4","4","2","6","1") = "6"
    & skf21("1","3","7","4","4","2","7","1") = "6"
    & skf21("1","3","7","4","4","3","1","1") = "6"
    & skf21("1","3","7","4","4","3","2","1") = "6"
    & skf21("1","3","7","4","4","3","3","1") = "6"
    & skf21("1","3","7","4","4","3","4","1") = "6"
    & skf21("1","3","7","4","4","3","5","1") = "6"
    & skf21("1","3","7","4","4","3","6","1") = "6"
    & skf21("1","3","7","4","4","3","7","1") = "6"
    & skf21("1","3","7","4","4","4","1","1") = "6"
    & skf21("1","3","7","4","4","4","2","1") = "6"
    & skf21("1","3","7","4","4","4","3","1") = "6"
    & skf21("1","3","7","4","4","4","4","1") = "6"
    & skf21("1","3","7","4","4","4","5","1") = "6"
    & skf21("1","3","7","4","4","4","6","1") = "6"
    & skf21("1","3","7","4","4","4","7","1") = "6"
    & skf21("1","3","7","4","4","5","1","1") = "6"
    & skf21("1","3","7","4","4","5","2","1") = "6"
    & skf21("1","3","7","4","4","5","3","1") = "6"
    & skf21("1","3","7","4","4","5","4","1") = "6"
    & skf21("1","3","7","4","4","5","5","1") = "6"
    & skf21("1","3","7","4","4","5","6","1") = "6"
    & skf21("1","3","7","4","4","5","7","1") = "6"
    & skf21("1","3","7","4","4","6","1","1") = "6"
    & skf21("1","3","7","4","4","6","2","1") = "6"
    & skf21("1","3","7","4","4","6","3","1") = "6"
    & skf21("1","3","7","4","4","6","4","1") = "6"
    & skf21("1","3","7","4","4","6","5","1") = "6"
    & skf21("1","3","7","4","4","6","6","1") = "6"
    & skf21("1","3","7","4","4","6","7","1") = "6"
    & skf21("1","3","7","4","4","7","1","1") = "6"
    & skf21("1","3","7","4","4","7","2","1") = "6"
    & skf21("1","3","7","4","4","7","3","1") = "6"
    & skf21("1","3","7","4","4","7","4","1") = "6"
    & skf21("1","3","7","4","4","7","5","1") = "6"
    & skf21("1","3","7","4","4","7","6","1") = "6"
    & skf21("1","3","7","4","4","7","7","1") = "6"
    & skf21("1","3","7","4","5","1","1","1") = "6"
    & skf21("1","3","7","4","5","1","2","1") = "6"
    & skf21("1","3","7","4","5","1","3","1") = "6"
    & skf21("1","3","7","4","5","1","4","1") = "6"
    & skf21("1","3","7","4","5","1","5","1") = "6"
    & skf21("1","3","7","4","5","1","6","1") = "6"
    & skf21("1","3","7","4","5","1","7","1") = "6"
    & skf21("1","3","7","4","5","2","1","1") = "6"
    & skf21("1","3","7","4","5","2","2","1") = "6"
    & skf21("1","3","7","4","5","2","3","1") = "6"
    & skf21("1","3","7","4","5","2","4","1") = "6"
    & skf21("1","3","7","4","5","2","5","1") = "6"
    & skf21("1","3","7","4","5","2","6","1") = "6"
    & skf21("1","3","7","4","5","2","7","1") = "6"
    & skf21("1","3","7","4","5","3","1","1") = "6"
    & skf21("1","3","7","4","5","3","2","1") = "6"
    & skf21("1","3","7","4","5","3","3","1") = "6"
    & skf21("1","3","7","4","5","3","4","1") = "6"
    & skf21("1","3","7","4","5","3","5","1") = "6"
    & skf21("1","3","7","4","5","3","6","1") = "6"
    & skf21("1","3","7","4","5","3","7","1") = "6"
    & skf21("1","3","7","4","5","4","1","1") = "6"
    & skf21("1","3","7","4","5","4","2","1") = "6"
    & skf21("1","3","7","4","5","4","3","1") = "6"
    & skf21("1","3","7","4","5","4","4","1") = "6"
    & skf21("1","3","7","4","5","4","5","1") = "6"
    & skf21("1","3","7","4","5","4","6","1") = "6"
    & skf21("1","3","7","4","5","4","7","1") = "6"
    & skf21("1","3","7","4","5","5","1","1") = "6"
    & skf21("1","3","7","4","5","5","2","1") = "6"
    & skf21("1","3","7","4","5","5","3","1") = "6"
    & skf21("1","3","7","4","5","5","4","1") = "6"
    & skf21("1","3","7","4","5","5","5","1") = "6"
    & skf21("1","3","7","4","5","5","6","1") = "6"
    & skf21("1","3","7","4","5","5","7","1") = "6"
    & skf21("1","3","7","4","5","6","1","1") = "6"
    & skf21("1","3","7","4","5","6","2","1") = "6"
    & skf21("1","3","7","4","5","6","3","1") = "6"
    & skf21("1","3","7","4","5","6","4","1") = "6"
    & skf21("1","3","7","4","5","6","5","1") = "6"
    & skf21("1","3","7","4","5","6","6","1") = "6"
    & skf21("1","3","7","4","5","6","7","1") = "6"
    & skf21("1","3","7","4","5","7","1","1") = "6"
    & skf21("1","3","7","4","5","7","2","1") = "6"
    & skf21("1","3","7","4","5","7","3","1") = "6"
    & skf21("1","3","7","4","5","7","4","1") = "6"
    & skf21("1","3","7","4","5","7","5","1") = "6"
    & skf21("1","3","7","4","5","7","6","1") = "6"
    & skf21("1","3","7","4","5","7","7","1") = "6"
    & skf21("1","3","7","4","6","1","1","1") = "6"
    & skf21("1","3","7","4","6","1","2","1") = "6"
    & skf21("1","3","7","4","6","1","3","1") = "6"
    & skf21("1","3","7","4","6","1","4","1") = "6"
    & skf21("1","3","7","4","6","1","5","1") = "6"
    & skf21("1","3","7","4","6","1","6","1") = "6"
    & skf21("1","3","7","4","6","1","7","1") = "6"
    & skf21("1","3","7","4","6","2","1","1") = "6"
    & skf21("1","3","7","4","6","2","2","1") = "6"
    & skf21("1","3","7","4","6","2","3","1") = "6"
    & skf21("1","3","7","4","6","2","4","1") = "6"
    & skf21("1","3","7","4","6","2","5","1") = "6"
    & skf21("1","3","7","4","6","2","6","1") = "6"
    & skf21("1","3","7","4","6","2","7","1") = "6"
    & skf21("1","3","7","4","6","3","1","1") = "6"
    & skf21("1","3","7","4","6","3","2","1") = "6"
    & skf21("1","3","7","4","6","3","3","1") = "6"
    & skf21("1","3","7","4","6","3","4","1") = "6"
    & skf21("1","3","7","4","6","3","5","1") = "6"
    & skf21("1","3","7","4","6","3","6","1") = "6"
    & skf21("1","3","7","4","6","3","7","1") = "6"
    & skf21("1","3","7","4","6","4","1","1") = "6"
    & skf21("1","3","7","4","6","4","2","1") = "6"
    & skf21("1","3","7","4","6","4","3","1") = "6"
    & skf21("1","3","7","4","6","4","4","1") = "6"
    & skf21("1","3","7","4","6","4","5","1") = "6"
    & skf21("1","3","7","4","6","4","6","1") = "6"
    & skf21("1","3","7","4","6","4","7","1") = "6"
    & skf21("1","3","7","4","6","5","1","1") = "6"
    & skf21("1","3","7","4","6","5","2","1") = "6"
    & skf21("1","3","7","4","6","5","3","1") = "6"
    & skf21("1","3","7","4","6","5","4","1") = "6"
    & skf21("1","3","7","4","6","5","5","1") = "6"
    & skf21("1","3","7","4","6","5","6","1") = "6"
    & skf21("1","3","7","4","6","5","7","1") = "6"
    & skf21("1","3","7","4","6","6","1","1") = "6"
    & skf21("1","3","7","4","6","6","2","1") = "6"
    & skf21("1","3","7","4","6","6","3","1") = "6"
    & skf21("1","3","7","4","6","6","4","1") = "6"
    & skf21("1","3","7","4","6","6","5","1") = "6"
    & skf21("1","3","7","4","6","6","6","1") = "6"
    & skf21("1","3","7","4","6","6","7","1") = "6"
    & skf21("1","3","7","4","6","7","1","1") = "6"
    & skf21("1","3","7","4","6","7","2","1") = "6"
    & skf21("1","3","7","4","6","7","3","1") = "6"
    & skf21("1","3","7","4","6","7","4","1") = "6"
    & skf21("1","3","7","4","6","7","5","1") = "6"
    & skf21("1","3","7","4","6","7","6","1") = "6"
    & skf21("1","3","7","4","6","7","7","1") = "6"
    & skf21("1","3","7","4","7","1","1","1") = "6"
    & skf21("1","3","7","4","7","1","2","1") = "6"
    & skf21("1","3","7","4","7","1","3","1") = "6"
    & skf21("1","3","7","4","7","1","4","1") = "6"
    & skf21("1","3","7","4","7","1","5","1") = "6"
    & skf21("1","3","7","4","7","1","6","1") = "6"
    & skf21("1","3","7","4","7","1","7","1") = "6"
    & skf21("1","3","7","4","7","2","1","1") = "6"
    & skf21("1","3","7","4","7","2","2","1") = "6"
    & skf21("1","3","7","4","7","2","3","1") = "6"
    & skf21("1","3","7","4","7","2","4","1") = "6"
    & skf21("1","3","7","4","7","2","5","1") = "6"
    & skf21("1","3","7","4","7","2","6","1") = "6"
    & skf21("1","3","7","4","7","2","7","1") = "6"
    & skf21("1","3","7","4","7","3","1","1") = "6"
    & skf21("1","3","7","4","7","3","2","1") = "6"
    & skf21("1","3","7","4","7","3","3","1") = "6"
    & skf21("1","3","7","4","7","3","4","1") = "6"
    & skf21("1","3","7","4","7","3","5","1") = "6"
    & skf21("1","3","7","4","7","3","6","1") = "6"
    & skf21("1","3","7","4","7","3","7","1") = "6"
    & skf21("1","3","7","4","7","4","1","1") = "6"
    & skf21("1","3","7","4","7","4","2","1") = "6"
    & skf21("1","3","7","4","7","4","3","1") = "6"
    & skf21("1","3","7","4","7","4","4","1") = "6"
    & skf21("1","3","7","4","7","4","5","1") = "6"
    & skf21("1","3","7","4","7","4","6","1") = "6"
    & skf21("1","3","7","4","7","4","7","1") = "6"
    & skf21("1","3","7","4","7","5","1","1") = "6"
    & skf21("1","3","7","4","7","5","2","1") = "6"
    & skf21("1","3","7","4","7","5","3","1") = "6"
    & skf21("1","3","7","4","7","5","4","1") = "6"
    & skf21("1","3","7","4","7","5","5","1") = "6"
    & skf21("1","3","7","4","7","5","6","1") = "6"
    & skf21("1","3","7","4","7","5","7","1") = "6"
    & skf21("1","3","7","4","7","6","1","1") = "6"
    & skf21("1","3","7","4","7","6","2","1") = "6"
    & skf21("1","3","7","4","7","6","3","1") = "6"
    & skf21("1","3","7","4","7","6","4","1") = "6"
    & skf21("1","3","7","4","7","6","5","1") = "6"
    & skf21("1","3","7","4","7","6","6","1") = "6"
    & skf21("1","3","7","4","7","6","7","1") = "6"
    & skf21("1","3","7","4","7","7","1","1") = "6"
    & skf21("1","3","7","4","7","7","2","1") = "6"
    & skf21("1","3","7","4","7","7","3","1") = "6"
    & skf21("1","3","7","4","7","7","4","1") = "6"
    & skf21("1","3","7","4","7","7","5","1") = "6"
    & skf21("1","3","7","4","7","7","6","1") = "6"
    & skf21("1","3","7","4","7","7","7","1") = "6"
    & skf21("1","3","7","5","1","1","1","1") = "6"
    & skf21("1","3","7","5","1","1","2","1") = "6"
    & skf21("1","3","7","5","1","1","3","1") = "6"
    & skf21("1","3","7","5","1","1","4","1") = "6"
    & skf21("1","3","7","5","1","1","5","1") = "6"
    & skf21("1","3","7","5","1","1","6","1") = "6"
    & skf21("1","3","7","5","1","1","7","1") = "6"
    & skf21("1","3","7","5","1","2","1","1") = "6"
    & skf21("1","3","7","5","1","2","2","1") = "6"
    & skf21("1","3","7","5","1","2","3","1") = "6"
    & skf21("1","3","7","5","1","2","4","1") = "6"
    & skf21("1","3","7","5","1","2","5","1") = "6"
    & skf21("1","3","7","5","1","2","6","1") = "6"
    & skf21("1","3","7","5","1","2","7","1") = "6"
    & skf21("1","3","7","5","1","3","1","1") = "6"
    & skf21("1","3","7","5","1","3","2","1") = "6"
    & skf21("1","3","7","5","1","3","3","1") = "6"
    & skf21("1","3","7","5","1","3","4","1") = "6"
    & skf21("1","3","7","5","1","3","5","1") = "6"
    & skf21("1","3","7","5","1","3","6","1") = "6"
    & skf21("1","3","7","5","1","3","7","1") = "6"
    & skf21("1","3","7","5","1","4","1","1") = "6"
    & skf21("1","3","7","5","1","4","2","1") = "6"
    & skf21("1","3","7","5","1","4","3","1") = "6"
    & skf21("1","3","7","5","1","4","4","1") = "6"
    & skf21("1","3","7","5","1","4","5","1") = "6"
    & skf21("1","3","7","5","1","4","6","1") = "6"
    & skf21("1","3","7","5","1","4","7","1") = "6"
    & skf21("1","3","7","5","1","5","1","1") = "6"
    & skf21("1","3","7","5","1","5","2","1") = "6"
    & skf21("1","3","7","5","1","5","3","1") = "6"
    & skf21("1","3","7","5","1","5","4","1") = "6"
    & skf21("1","3","7","5","1","5","5","1") = "6"
    & skf21("1","3","7","5","1","5","6","1") = "6"
    & skf21("1","3","7","5","1","5","7","1") = "6"
    & skf21("1","3","7","5","1","6","1","1") = "6"
    & skf21("1","3","7","5","1","6","2","1") = "6"
    & skf21("1","3","7","5","1","6","3","1") = "6"
    & skf21("1","3","7","5","1","6","4","1") = "6"
    & skf21("1","3","7","5","1","6","5","1") = "6"
    & skf21("1","3","7","5","1","6","6","1") = "6"
    & skf21("1","3","7","5","1","6","7","1") = "6"
    & skf21("1","3","7","5","1","7","1","1") = "6"
    & skf21("1","3","7","5","1","7","2","1") = "6"
    & skf21("1","3","7","5","1","7","3","1") = "6"
    & skf21("1","3","7","5","1","7","4","1") = "6"
    & skf21("1","3","7","5","1","7","5","1") = "6"
    & skf21("1","3","7","5","1","7","6","1") = "6"
    & skf21("1","3","7","5","1","7","7","1") = "6"
    & skf21("1","3","7","5","2","1","1","1") = "6"
    & skf21("1","3","7","5","2","1","2","1") = "6"
    & skf21("1","3","7","5","2","1","3","1") = "6"
    & skf21("1","3","7","5","2","1","4","1") = "6"
    & skf21("1","3","7","5","2","1","5","1") = "6"
    & skf21("1","3","7","5","2","1","6","1") = "6"
    & skf21("1","3","7","5","2","1","7","1") = "6"
    & skf21("1","3","7","5","2","2","1","1") = "6"
    & skf21("1","3","7","5","2","2","2","1") = "6"
    & skf21("1","3","7","5","2","2","3","1") = "6"
    & skf21("1","3","7","5","2","2","4","1") = "6"
    & skf21("1","3","7","5","2","2","5","1") = "6"
    & skf21("1","3","7","5","2","2","6","1") = "6"
    & skf21("1","3","7","5","2","2","7","1") = "6"
    & skf21("1","3","7","5","2","3","1","1") = "6"
    & skf21("1","3","7","5","2","3","2","1") = "6"
    & skf21("1","3","7","5","2","3","3","1") = "6"
    & skf21("1","3","7","5","2","3","4","1") = "6"
    & skf21("1","3","7","5","2","3","5","1") = "6"
    & skf21("1","3","7","5","2","3","6","1") = "6"
    & skf21("1","3","7","5","2","3","7","1") = "6"
    & skf21("1","3","7","5","2","4","1","1") = "6"
    & skf21("1","3","7","5","2","4","2","1") = "6"
    & skf21("1","3","7","5","2","4","3","1") = "6"
    & skf21("1","3","7","5","2","4","4","1") = "6"
    & skf21("1","3","7","5","2","4","5","1") = "6"
    & skf21("1","3","7","5","2","4","6","1") = "6"
    & skf21("1","3","7","5","2","4","7","1") = "6"
    & skf21("1","3","7","5","2","5","1","1") = "6"
    & skf21("1","3","7","5","2","5","2","1") = "6"
    & skf21("1","3","7","5","2","5","3","1") = "6"
    & skf21("1","3","7","5","2","5","4","1") = "6"
    & skf21("1","3","7","5","2","5","5","1") = "6"
    & skf21("1","3","7","5","2","5","6","1") = "6"
    & skf21("1","3","7","5","2","5","7","1") = "6"
    & skf21("1","3","7","5","2","6","1","1") = "6"
    & skf21("1","3","7","5","2","6","2","1") = "6"
    & skf21("1","3","7","5","2","6","3","1") = "6"
    & skf21("1","3","7","5","2","6","4","1") = "6"
    & skf21("1","3","7","5","2","6","5","1") = "6"
    & skf21("1","3","7","5","2","6","6","1") = "6"
    & skf21("1","3","7","5","2","6","7","1") = "6"
    & skf21("1","3","7","5","2","7","1","1") = "6"
    & skf21("1","3","7","5","2","7","2","1") = "6"
    & skf21("1","3","7","5","2","7","3","1") = "6"
    & skf21("1","3","7","5","2","7","4","1") = "6"
    & skf21("1","3","7","5","2","7","5","1") = "6"
    & skf21("1","3","7","5","2","7","6","1") = "6"
    & skf21("1","3","7","5","2","7","7","1") = "6"
    & skf21("1","3","7","5","3","1","1","1") = "6"
    & skf21("1","3","7","5","3","1","2","1") = "6"
    & skf21("1","3","7","5","3","1","3","1") = "6"
    & skf21("1","3","7","5","3","1","4","1") = "6"
    & skf21("1","3","7","5","3","1","5","1") = "6"
    & skf21("1","3","7","5","3","1","6","1") = "6"
    & skf21("1","3","7","5","3","1","7","1") = "6"
    & skf21("1","3","7","5","3","2","1","1") = "6"
    & skf21("1","3","7","5","3","2","2","1") = "6"
    & skf21("1","3","7","5","3","2","3","1") = "6"
    & skf21("1","3","7","5","3","2","4","1") = "6"
    & skf21("1","3","7","5","3","2","5","1") = "6"
    & skf21("1","3","7","5","3","2","6","1") = "6"
    & skf21("1","3","7","5","3","2","7","1") = "6"
    & skf21("1","3","7","5","3","3","1","1") = "6"
    & skf21("1","3","7","5","3","3","2","1") = "6"
    & skf21("1","3","7","5","3","3","3","1") = "6"
    & skf21("1","3","7","5","3","3","4","1") = "6"
    & skf21("1","3","7","5","3","3","5","1") = "6"
    & skf21("1","3","7","5","3","3","6","1") = "6"
    & skf21("1","3","7","5","3","3","7","1") = "6"
    & skf21("1","3","7","5","3","4","1","1") = "6"
    & skf21("1","3","7","5","3","4","2","1") = "6"
    & skf21("1","3","7","5","3","4","3","1") = "6"
    & skf21("1","3","7","5","3","4","4","1") = "6"
    & skf21("1","3","7","5","3","4","5","1") = "6"
    & skf21("1","3","7","5","3","4","6","1") = "6"
    & skf21("1","3","7","5","3","4","7","1") = "6"
    & skf21("1","3","7","5","3","5","1","1") = "6"
    & skf21("1","3","7","5","3","5","2","1") = "6"
    & skf21("1","3","7","5","3","5","3","1") = "6"
    & skf21("1","3","7","5","3","5","4","1") = "6"
    & skf21("1","3","7","5","3","5","5","1") = "6"
    & skf21("1","3","7","5","3","5","6","1") = "6"
    & skf21("1","3","7","5","3","5","7","1") = "6"
    & skf21("1","3","7","5","3","6","1","1") = "6"
    & skf21("1","3","7","5","3","6","2","1") = "6"
    & skf21("1","3","7","5","3","6","3","1") = "6"
    & skf21("1","3","7","5","3","6","4","1") = "6"
    & skf21("1","3","7","5","3","6","5","1") = "6"
    & skf21("1","3","7","5","3","6","6","1") = "6"
    & skf21("1","3","7","5","3","6","7","1") = "6"
    & skf21("1","3","7","5","3","7","1","1") = "6"
    & skf21("1","3","7","5","3","7","2","1") = "6"
    & skf21("1","3","7","5","3","7","3","1") = "6"
    & skf21("1","3","7","5","3","7","4","1") = "6"
    & skf21("1","3","7","5","3","7","5","1") = "6"
    & skf21("1","3","7","5","3","7","6","1") = "6"
    & skf21("1","3","7","5","3","7","7","1") = "6"
    & skf21("1","3","7","5","4","1","1","1") = "6"
    & skf21("1","3","7","5","4","1","2","1") = "6"
    & skf21("1","3","7","5","4","1","3","1") = "6"
    & skf21("1","3","7","5","4","1","4","1") = "6"
    & skf21("1","3","7","5","4","1","5","1") = "6"
    & skf21("1","3","7","5","4","1","6","1") = "6"
    & skf21("1","3","7","5","4","1","7","1") = "6"
    & skf21("1","3","7","5","4","2","1","1") = "6"
    & skf21("1","3","7","5","4","2","2","1") = "6"
    & skf21("1","3","7","5","4","2","3","1") = "6"
    & skf21("1","3","7","5","4","2","4","1") = "6"
    & skf21("1","3","7","5","4","2","5","1") = "6"
    & skf21("1","3","7","5","4","2","6","1") = "6"
    & skf21("1","3","7","5","4","2","7","1") = "6"
    & skf21("1","3","7","5","4","3","1","1") = "6"
    & skf21("1","3","7","5","4","3","2","1") = "6"
    & skf21("1","3","7","5","4","3","3","1") = "6"
    & skf21("1","3","7","5","4","3","4","1") = "6"
    & skf21("1","3","7","5","4","3","5","1") = "6"
    & skf21("1","3","7","5","4","3","6","1") = "6"
    & skf21("1","3","7","5","4","3","7","1") = "6"
    & skf21("1","3","7","5","4","4","1","1") = "6"
    & skf21("1","3","7","5","4","4","2","1") = "6"
    & skf21("1","3","7","5","4","4","3","1") = "6"
    & skf21("1","3","7","5","4","4","4","1") = "6"
    & skf21("1","3","7","5","4","4","5","1") = "6"
    & skf21("1","3","7","5","4","4","6","1") = "6"
    & skf21("1","3","7","5","4","4","7","1") = "6"
    & skf21("1","3","7","5","4","5","1","1") = "6"
    & skf21("1","3","7","5","4","5","2","1") = "6"
    & skf21("1","3","7","5","4","5","3","1") = "6"
    & skf21("1","3","7","5","4","5","4","1") = "6"
    & skf21("1","3","7","5","4","5","5","1") = "6"
    & skf21("1","3","7","5","4","5","6","1") = "6"
    & skf21("1","3","7","5","4","5","7","1") = "6"
    & skf21("1","3","7","5","4","6","1","1") = "6"
    & skf21("1","3","7","5","4","6","2","1") = "6"
    & skf21("1","3","7","5","4","6","3","1") = "6"
    & skf21("1","3","7","5","4","6","4","1") = "6"
    & skf21("1","3","7","5","4","6","5","1") = "6"
    & skf21("1","3","7","5","4","6","6","1") = "6"
    & skf21("1","3","7","5","4","6","7","1") = "6"
    & skf21("1","3","7","5","4","7","1","1") = "6"
    & skf21("1","3","7","5","4","7","2","1") = "6"
    & skf21("1","3","7","5","4","7","3","1") = "6"
    & skf21("1","3","7","5","4","7","4","1") = "6"
    & skf21("1","3","7","5","4","7","5","1") = "6"
    & skf21("1","3","7","5","4","7","6","1") = "6"
    & skf21("1","3","7","5","4","7","7","1") = "6"
    & skf21("1","3","7","5","5","1","1","1") = "6"
    & skf21("1","3","7","5","5","1","2","1") = "6"
    & skf21("1","3","7","5","5","1","3","1") = "6"
    & skf21("1","3","7","5","5","1","4","1") = "6"
    & skf21("1","3","7","5","5","1","5","1") = "6"
    & skf21("1","3","7","5","5","1","6","1") = "6"
    & skf21("1","3","7","5","5","1","7","1") = "6"
    & skf21("1","3","7","5","5","2","1","1") = "6"
    & skf21("1","3","7","5","5","2","2","1") = "6"
    & skf21("1","3","7","5","5","2","3","1") = "6"
    & skf21("1","3","7","5","5","2","4","1") = "6"
    & skf21("1","3","7","5","5","2","5","1") = "6"
    & skf21("1","3","7","5","5","2","6","1") = "6"
    & skf21("1","3","7","5","5","2","7","1") = "6"
    & skf21("1","3","7","5","5","3","1","1") = "6"
    & skf21("1","3","7","5","5","3","2","1") = "6"
    & skf21("1","3","7","5","5","3","3","1") = "6"
    & skf21("1","3","7","5","5","3","4","1") = "6"
    & skf21("1","3","7","5","5","3","5","1") = "6"
    & skf21("1","3","7","5","5","3","6","1") = "6"
    & skf21("1","3","7","5","5","3","7","1") = "6"
    & skf21("1","3","7","5","5","4","1","1") = "6"
    & skf21("1","3","7","5","5","4","2","1") = "6"
    & skf21("1","3","7","5","5","4","3","1") = "6"
    & skf21("1","3","7","5","5","4","4","1") = "6"
    & skf21("1","3","7","5","5","4","5","1") = "6"
    & skf21("1","3","7","5","5","4","6","1") = "6"
    & skf21("1","3","7","5","5","4","7","1") = "6"
    & skf21("1","3","7","5","5","5","1","1") = "6"
    & skf21("1","3","7","5","5","5","2","1") = "6"
    & skf21("1","3","7","5","5","5","3","1") = "6"
    & skf21("1","3","7","5","5","5","4","1") = "6"
    & skf21("1","3","7","5","5","5","5","1") = "6"
    & skf21("1","3","7","5","5","5","6","1") = "6"
    & skf21("1","3","7","5","5","5","7","1") = "6"
    & skf21("1","3","7","5","5","6","1","1") = "6"
    & skf21("1","3","7","5","5","6","2","1") = "6"
    & skf21("1","3","7","5","5","6","3","1") = "6"
    & skf21("1","3","7","5","5","6","4","1") = "6"
    & skf21("1","3","7","5","5","6","5","1") = "6"
    & skf21("1","3","7","5","5","6","6","1") = "6"
    & skf21("1","3","7","5","5","6","7","1") = "6"
    & skf21("1","3","7","5","5","7","1","1") = "6"
    & skf21("1","3","7","5","5","7","2","1") = "6"
    & skf21("1","3","7","5","5","7","3","1") = "6"
    & skf21("1","3","7","5","5","7","4","1") = "6"
    & skf21("1","3","7","5","5","7","5","1") = "6"
    & skf21("1","3","7","5","5","7","6","1") = "6"
    & skf21("1","3","7","5","5","7","7","1") = "6"
    & skf21("1","3","7","5","6","1","1","1") = "6"
    & skf21("1","3","7","5","6","1","2","1") = "6"
    & skf21("1","3","7","5","6","1","3","1") = "6"
    & skf21("1","3","7","5","6","1","4","1") = "6"
    & skf21("1","3","7","5","6","1","5","1") = "6"
    & skf21("1","3","7","5","6","1","6","1") = "6"
    & skf21("1","3","7","5","6","1","7","1") = "6"
    & skf21("1","3","7","5","6","2","1","1") = "6"
    & skf21("1","3","7","5","6","2","2","1") = "6"
    & skf21("1","3","7","5","6","2","3","1") = "6"
    & skf21("1","3","7","5","6","2","4","1") = "6"
    & skf21("1","3","7","5","6","2","5","1") = "6"
    & skf21("1","3","7","5","6","2","6","1") = "6"
    & skf21("1","3","7","5","6","2","7","1") = "6"
    & skf21("1","3","7","5","6","3","1","1") = "6"
    & skf21("1","3","7","5","6","3","2","1") = "6"
    & skf21("1","3","7","5","6","3","3","1") = "6"
    & skf21("1","3","7","5","6","3","4","1") = "6"
    & skf21("1","3","7","5","6","3","5","1") = "6"
    & skf21("1","3","7","5","6","3","6","1") = "6"
    & skf21("1","3","7","5","6","3","7","1") = "6"
    & skf21("1","3","7","5","6","4","1","1") = "6"
    & skf21("1","3","7","5","6","4","2","1") = "6"
    & skf21("1","3","7","5","6","4","3","1") = "6"
    & skf21("1","3","7","5","6","4","4","1") = "6"
    & skf21("1","3","7","5","6","4","5","1") = "6"
    & skf21("1","3","7","5","6","4","6","1") = "6"
    & skf21("1","3","7","5","6","4","7","1") = "6"
    & skf21("1","3","7","5","6","5","1","1") = "6"
    & skf21("1","3","7","5","6","5","2","1") = "6"
    & skf21("1","3","7","5","6","5","3","1") = "6"
    & skf21("1","3","7","5","6","5","4","1") = "6"
    & skf21("1","3","7","5","6","5","5","1") = "6"
    & skf21("1","3","7","5","6","5","6","1") = "6"
    & skf21("1","3","7","5","6","5","7","1") = "6"
    & skf21("1","3","7","5","6","6","1","1") = "6"
    & skf21("1","3","7","5","6","6","2","1") = "6"
    & skf21("1","3","7","5","6","6","3","1") = "6"
    & skf21("1","3","7","5","6","6","4","1") = "6"
    & skf21("1","3","7","5","6","6","5","1") = "6"
    & skf21("1","3","7","5","6","6","6","1") = "6"
    & skf21("1","3","7","5","6","6","7","1") = "6"
    & skf21("1","3","7","5","6","7","1","1") = "6"
    & skf21("1","3","7","5","6","7","2","1") = "6"
    & skf21("1","3","7","5","6","7","3","1") = "6"
    & skf21("1","3","7","5","6","7","4","1") = "6"
    & skf21("1","3","7","5","6","7","5","1") = "6"
    & skf21("1","3","7","5","6","7","6","1") = "6"
    & skf21("1","3","7","5","6","7","7","1") = "6"
    & skf21("1","3","7","5","7","1","1","1") = "6"
    & skf21("1","3","7","5","7","1","2","1") = "6"
    & skf21("1","3","7","5","7","1","3","1") = "6"
    & skf21("1","3","7","5","7","1","4","1") = "6"
    & skf21("1","3","7","5","7","1","5","1") = "6"
    & skf21("1","3","7","5","7","1","6","1") = "6"
    & skf21("1","3","7","5","7","1","7","1") = "6"
    & skf21("1","3","7","5","7","2","1","1") = "6"
    & skf21("1","3","7","5","7","2","2","1") = "6"
    & skf21("1","3","7","5","7","2","3","1") = "6"
    & skf21("1","3","7","5","7","2","4","1") = "6"
    & skf21("1","3","7","5","7","2","5","1") = "6"
    & skf21("1","3","7","5","7","2","6","1") = "6"
    & skf21("1","3","7","5","7","2","7","1") = "6"
    & skf21("1","3","7","5","7","3","1","1") = "6"
    & skf21("1","3","7","5","7","3","2","1") = "6"
    & skf21("1","3","7","5","7","3","3","1") = "6"
    & skf21("1","3","7","5","7","3","4","1") = "6"
    & skf21("1","3","7","5","7","3","5","1") = "6"
    & skf21("1","3","7","5","7","3","6","1") = "6"
    & skf21("1","3","7","5","7","3","7","1") = "6"
    & skf21("1","3","7","5","7","4","1","1") = "6"
    & skf21("1","3","7","5","7","4","2","1") = "6"
    & skf21("1","3","7","5","7","4","3","1") = "6"
    & skf21("1","3","7","5","7","4","4","1") = "6"
    & skf21("1","3","7","5","7","4","5","1") = "6"
    & skf21("1","3","7","5","7","4","6","1") = "6"
    & skf21("1","3","7","5","7","4","7","1") = "6"
    & skf21("1","3","7","5","7","5","1","1") = "6"
    & skf21("1","3","7","5","7","5","2","1") = "6"
    & skf21("1","3","7","5","7","5","3","1") = "6"
    & skf21("1","3","7","5","7","5","4","1") = "6"
    & skf21("1","3","7","5","7","5","5","1") = "6"
    & skf21("1","3","7","5","7","5","6","1") = "6"
    & skf21("1","3","7","5","7","5","7","1") = "6"
    & skf21("1","3","7","5","7","6","1","1") = "6"
    & skf21("1","3","7","5","7","6","2","1") = "6"
    & skf21("1","3","7","5","7","6","3","1") = "6"
    & skf21("1","3","7","5","7","6","4","1") = "6"
    & skf21("1","3","7","5","7","6","5","1") = "6"
    & skf21("1","3","7","5","7","6","6","1") = "6"
    & skf21("1","3","7","5","7","6","7","1") = "6"
    & skf21("1","3","7","5","7","7","1","1") = "6"
    & skf21("1","3","7","5","7","7","2","1") = "6"
    & skf21("1","3","7","5","7","7","3","1") = "6"
    & skf21("1","3","7","5","7","7","4","1") = "6"
    & skf21("1","3","7","5","7","7","5","1") = "6"
    & skf21("1","3","7","5","7","7","6","1") = "6"
    & skf21("1","3","7","5","7","7","7","1") = "6"
    & skf21("1","3","7","6","1","1","1","1") = "6"
    & skf21("1","3","7","6","1","1","2","1") = "6"
    & skf21("1","3","7","6","1","1","3","1") = "6"
    & skf21("1","3","7","6","1","1","4","1") = "6"
    & skf21("1","3","7","6","1","1","5","1") = "6"
    & skf21("1","3","7","6","1","1","6","1") = "6"
    & skf21("1","3","7","6","1","1","7","1") = "6"
    & skf21("1","3","7","6","1","2","1","1") = "6"
    & skf21("1","3","7","6","1","2","2","1") = "6"
    & skf21("1","3","7","6","1","2","3","1") = "6"
    & skf21("1","3","7","6","1","2","4","1") = "6"
    & skf21("1","3","7","6","1","2","5","1") = "6"
    & skf21("1","3","7","6","1","2","6","1") = "6"
    & skf21("1","3","7","6","1","2","7","1") = "6"
    & skf21("1","3","7","6","1","3","1","1") = "6"
    & skf21("1","3","7","6","1","3","2","1") = "6"
    & skf21("1","3","7","6","1","3","3","1") = "6"
    & skf21("1","3","7","6","1","3","4","1") = "6"
    & skf21("1","3","7","6","1","3","5","1") = "6"
    & skf21("1","3","7","6","1","3","6","1") = "6"
    & skf21("1","3","7","6","1","3","7","1") = "6"
    & skf21("1","3","7","6","1","4","1","1") = "6"
    & skf21("1","3","7","6","1","4","2","1") = "6"
    & skf21("1","3","7","6","1","4","3","1") = "6"
    & skf21("1","3","7","6","1","4","4","1") = "6"
    & skf21("1","3","7","6","1","4","5","1") = "6"
    & skf21("1","3","7","6","1","4","6","1") = "6"
    & skf21("1","3","7","6","1","4","7","1") = "6"
    & skf21("1","3","7","6","1","5","1","1") = "6"
    & skf21("1","3","7","6","1","5","2","1") = "6"
    & skf21("1","3","7","6","1","5","3","1") = "6"
    & skf21("1","3","7","6","1","5","4","1") = "6"
    & skf21("1","3","7","6","1","5","5","1") = "6"
    & skf21("1","3","7","6","1","5","6","1") = "6"
    & skf21("1","3","7","6","1","5","7","1") = "6"
    & skf21("1","3","7","6","1","6","1","1") = "6"
    & skf21("1","3","7","6","1","6","2","1") = "6"
    & skf21("1","3","7","6","1","6","3","1") = "6"
    & skf21("1","3","7","6","1","6","4","1") = "6"
    & skf21("1","3","7","6","1","6","5","1") = "6"
    & skf21("1","3","7","6","1","6","6","1") = "6"
    & skf21("1","3","7","6","1","6","7","1") = "6"
    & skf21("1","3","7","6","1","7","1","1") = "6"
    & skf21("1","3","7","6","1","7","2","1") = "6"
    & skf21("1","3","7","6","1","7","3","1") = "6"
    & skf21("1","3","7","6","1","7","4","1") = "6"
    & skf21("1","3","7","6","1","7","5","1") = "6"
    & skf21("1","3","7","6","1","7","6","1") = "6"
    & skf21("1","3","7","6","1","7","7","1") = "6"
    & skf21("1","3","7","6","2","1","1","1") = "6"
    & skf21("1","3","7","6","2","1","2","1") = "6"
    & skf21("1","3","7","6","2","1","3","1") = "6"
    & skf21("1","3","7","6","2","1","4","1") = "6"
    & skf21("1","3","7","6","2","1","5","1") = "6"
    & skf21("1","3","7","6","2","1","6","1") = "6"
    & skf21("1","3","7","6","2","1","7","1") = "6"
    & skf21("1","3","7","6","2","2","1","1") = "6"
    & skf21("1","3","7","6","2","2","2","1") = "6"
    & skf21("1","3","7","6","2","2","3","1") = "6"
    & skf21("1","3","7","6","2","2","4","1") = "6"
    & skf21("1","3","7","6","2","2","5","1") = "6"
    & skf21("1","3","7","6","2","2","6","1") = "6"
    & skf21("1","3","7","6","2","2","7","1") = "6"
    & skf21("1","3","7","6","2","3","1","1") = "6"
    & skf21("1","3","7","6","2","3","2","1") = "6"
    & skf21("1","3","7","6","2","3","3","1") = "6"
    & skf21("1","3","7","6","2","3","4","1") = "6"
    & skf21("1","3","7","6","2","3","5","1") = "6"
    & skf21("1","3","7","6","2","3","6","1") = "6"
    & skf21("1","3","7","6","2","3","7","1") = "6"
    & skf21("1","3","7","6","2","4","1","1") = "6"
    & skf21("1","3","7","6","2","4","2","1") = "6"
    & skf21("1","3","7","6","2","4","3","1") = "6"
    & skf21("1","3","7","6","2","4","4","1") = "6"
    & skf21("1","3","7","6","2","4","5","1") = "6"
    & skf21("1","3","7","6","2","4","6","1") = "6"
    & skf21("1","3","7","6","2","4","7","1") = "6"
    & skf21("1","3","7","6","2","5","1","1") = "6"
    & skf21("1","3","7","6","2","5","2","1") = "6"
    & skf21("1","3","7","6","2","5","3","1") = "6"
    & skf21("1","3","7","6","2","5","4","1") = "6"
    & skf21("1","3","7","6","2","5","5","1") = "6"
    & skf21("1","3","7","6","2","5","6","1") = "6"
    & skf21("1","3","7","6","2","5","7","1") = "6"
    & skf21("1","3","7","6","2","6","1","1") = "6"
    & skf21("1","3","7","6","2","6","2","1") = "6"
    & skf21("1","3","7","6","2","6","3","1") = "6"
    & skf21("1","3","7","6","2","6","4","1") = "6"
    & skf21("1","3","7","6","2","6","5","1") = "6"
    & skf21("1","3","7","6","2","6","6","1") = "6"
    & skf21("1","3","7","6","2","6","7","1") = "6"
    & skf21("1","3","7","6","2","7","1","1") = "6"
    & skf21("1","3","7","6","2","7","2","1") = "6"
    & skf21("1","3","7","6","2","7","3","1") = "6"
    & skf21("1","3","7","6","2","7","4","1") = "6"
    & skf21("1","3","7","6","2","7","5","1") = "6"
    & skf21("1","3","7","6","2","7","6","1") = "6"
    & skf21("1","3","7","6","2","7","7","1") = "6"
    & skf21("1","3","7","6","3","1","1","1") = "6"
    & skf21("1","3","7","6","3","1","2","1") = "6"
    & skf21("1","3","7","6","3","1","3","1") = "6"
    & skf21("1","3","7","6","3","1","4","1") = "6"
    & skf21("1","3","7","6","3","1","5","1") = "6"
    & skf21("1","3","7","6","3","1","6","1") = "6"
    & skf21("1","3","7","6","3","1","7","1") = "6"
    & skf21("1","3","7","6","3","2","1","1") = "6"
    & skf21("1","3","7","6","3","2","2","1") = "6"
    & skf21("1","3","7","6","3","2","3","1") = "6"
    & skf21("1","3","7","6","3","2","4","1") = "6"
    & skf21("1","3","7","6","3","2","5","1") = "6"
    & skf21("1","3","7","6","3","2","6","1") = "6"
    & skf21("1","3","7","6","3","2","7","1") = "6"
    & skf21("1","3","7","6","3","3","1","1") = "6"
    & skf21("1","3","7","6","3","3","2","1") = "6"
    & skf21("1","3","7","6","3","3","3","1") = "6"
    & skf21("1","3","7","6","3","3","4","1") = "6"
    & skf21("1","3","7","6","3","3","5","1") = "6"
    & skf21("1","3","7","6","3","3","6","1") = "6"
    & skf21("1","3","7","6","3","3","7","1") = "6"
    & skf21("1","3","7","6","3","4","1","1") = "6"
    & skf21("1","3","7","6","3","4","2","1") = "6"
    & skf21("1","3","7","6","3","4","3","1") = "6"
    & skf21("1","3","7","6","3","4","4","1") = "6"
    & skf21("1","3","7","6","3","4","5","1") = "6"
    & skf21("1","3","7","6","3","4","6","1") = "6"
    & skf21("1","3","7","6","3","4","7","1") = "6"
    & skf21("1","3","7","6","3","5","1","1") = "6"
    & skf21("1","3","7","6","3","5","2","1") = "6"
    & skf21("1","3","7","6","3","5","3","1") = "6"
    & skf21("1","3","7","6","3","5","4","1") = "6"
    & skf21("1","3","7","6","3","5","5","1") = "6"
    & skf21("1","3","7","6","3","5","6","1") = "6"
    & skf21("1","3","7","6","3","5","7","1") = "6"
    & skf21("1","3","7","6","3","6","1","1") = "6"
    & skf21("1","3","7","6","3","6","2","1") = "6"
    & skf21("1","3","7","6","3","6","3","1") = "6"
    & skf21("1","3","7","6","3","6","4","1") = "6"
    & skf21("1","3","7","6","3","6","5","1") = "6"
    & skf21("1","3","7","6","3","6","6","1") = "6"
    & skf21("1","3","7","6","3","6","7","1") = "6"
    & skf21("1","3","7","6","3","7","1","1") = "6"
    & skf21("1","3","7","6","3","7","2","1") = "6"
    & skf21("1","3","7","6","3","7","3","1") = "6"
    & skf21("1","3","7","6","3","7","4","1") = "6"
    & skf21("1","3","7","6","3","7","5","1") = "6"
    & skf21("1","3","7","6","3","7","6","1") = "6"
    & skf21("1","3","7","6","3","7","7","1") = "6"
    & skf21("1","3","7","6","4","1","1","1") = "6"
    & skf21("1","3","7","6","4","1","2","1") = "6"
    & skf21("1","3","7","6","4","1","3","1") = "6"
    & skf21("1","3","7","6","4","1","4","1") = "6"
    & skf21("1","3","7","6","4","1","5","1") = "6"
    & skf21("1","3","7","6","4","1","6","1") = "6"
    & skf21("1","3","7","6","4","1","7","1") = "6"
    & skf21("1","3","7","6","4","2","1","1") = "6"
    & skf21("1","3","7","6","4","2","2","1") = "6"
    & skf21("1","3","7","6","4","2","3","1") = "6"
    & skf21("1","3","7","6","4","2","4","1") = "6"
    & skf21("1","3","7","6","4","2","5","1") = "6"
    & skf21("1","3","7","6","4","2","6","1") = "6"
    & skf21("1","3","7","6","4","2","7","1") = "6"
    & skf21("1","3","7","6","4","3","1","1") = "6"
    & skf21("1","3","7","6","4","3","2","1") = "6"
    & skf21("1","3","7","6","4","3","3","1") = "6"
    & skf21("1","3","7","6","4","3","4","1") = "6"
    & skf21("1","3","7","6","4","3","5","1") = "6"
    & skf21("1","3","7","6","4","3","6","1") = "6"
    & skf21("1","3","7","6","4","3","7","1") = "6"
    & skf21("1","3","7","6","4","4","1","1") = "6"
    & skf21("1","3","7","6","4","4","2","1") = "6"
    & skf21("1","3","7","6","4","4","3","1") = "6"
    & skf21("1","3","7","6","4","4","4","1") = "6"
    & skf21("1","3","7","6","4","4","5","1") = "6"
    & skf21("1","3","7","6","4","4","6","1") = "6"
    & skf21("1","3","7","6","4","4","7","1") = "6"
    & skf21("1","3","7","6","4","5","1","1") = "6"
    & skf21("1","3","7","6","4","5","2","1") = "6"
    & skf21("1","3","7","6","4","5","3","1") = "6"
    & skf21("1","3","7","6","4","5","4","1") = "6"
    & skf21("1","3","7","6","4","5","5","1") = "6"
    & skf21("1","3","7","6","4","5","6","1") = "6"
    & skf21("1","3","7","6","4","5","7","1") = "6"
    & skf21("1","3","7","6","4","6","1","1") = "6"
    & skf21("1","3","7","6","4","6","2","1") = "6"
    & skf21("1","3","7","6","4","6","3","1") = "6"
    & skf21("1","3","7","6","4","6","4","1") = "6"
    & skf21("1","3","7","6","4","6","5","1") = "6"
    & skf21("1","3","7","6","4","6","6","1") = "6"
    & skf21("1","3","7","6","4","6","7","1") = "6"
    & skf21("1","3","7","6","4","7","1","1") = "6"
    & skf21("1","3","7","6","4","7","2","1") = "6"
    & skf21("1","3","7","6","4","7","3","1") = "6"
    & skf21("1","3","7","6","4","7","4","1") = "6"
    & skf21("1","3","7","6","4","7","5","1") = "6"
    & skf21("1","3","7","6","4","7","6","1") = "6"
    & skf21("1","3","7","6","4","7","7","1") = "6"
    & skf21("1","3","7","6","5","1","1","1") = "6"
    & skf21("1","3","7","6","5","1","2","1") = "6"
    & skf21("1","3","7","6","5","1","3","1") = "6"
    & skf21("1","3","7","6","5","1","4","1") = "6"
    & skf21("1","3","7","6","5","1","5","1") = "6"
    & skf21("1","3","7","6","5","1","6","1") = "6"
    & skf21("1","3","7","6","5","1","7","1") = "6"
    & skf21("1","3","7","6","5","2","1","1") = "6"
    & skf21("1","3","7","6","5","2","2","1") = "6"
    & skf21("1","3","7","6","5","2","3","1") = "6"
    & skf21("1","3","7","6","5","2","4","1") = "6"
    & skf21("1","3","7","6","5","2","5","1") = "6"
    & skf21("1","3","7","6","5","2","6","1") = "6"
    & skf21("1","3","7","6","5","2","7","1") = "6"
    & skf21("1","3","7","6","5","3","1","1") = "6"
    & skf21("1","3","7","6","5","3","2","1") = "6"
    & skf21("1","3","7","6","5","3","3","1") = "6"
    & skf21("1","3","7","6","5","3","4","1") = "6"
    & skf21("1","3","7","6","5","3","5","1") = "6"
    & skf21("1","3","7","6","5","3","6","1") = "6"
    & skf21("1","3","7","6","5","3","7","1") = "6"
    & skf21("1","3","7","6","5","4","1","1") = "6"
    & skf21("1","3","7","6","5","4","2","1") = "6"
    & skf21("1","3","7","6","5","4","3","1") = "6"
    & skf21("1","3","7","6","5","4","4","1") = "6"
    & skf21("1","3","7","6","5","4","5","1") = "6"
    & skf21("1","3","7","6","5","4","6","1") = "6"
    & skf21("1","3","7","6","5","4","7","1") = "6"
    & skf21("1","3","7","6","5","5","1","1") = "6"
    & skf21("1","3","7","6","5","5","2","1") = "6"
    & skf21("1","3","7","6","5","5","3","1") = "6"
    & skf21("1","3","7","6","5","5","4","1") = "6"
    & skf21("1","3","7","6","5","5","5","1") = "6"
    & skf21("1","3","7","6","5","5","6","1") = "6"
    & skf21("1","3","7","6","5","5","7","1") = "6"
    & skf21("1","3","7","6","5","6","1","1") = "6"
    & skf21("1","3","7","6","5","6","2","1") = "6"
    & skf21("1","3","7","6","5","6","3","1") = "6"
    & skf21("1","3","7","6","5","6","4","1") = "6"
    & skf21("1","3","7","6","5","6","5","1") = "6"
    & skf21("1","3","7","6","5","6","6","1") = "6"
    & skf21("1","3","7","6","5","6","7","1") = "6"
    & skf21("1","3","7","6","5","7","1","1") = "6"
    & skf21("1","3","7","6","5","7","2","1") = "6"
    & skf21("1","3","7","6","5","7","3","1") = "6"
    & skf21("1","3","7","6","5","7","4","1") = "6"
    & skf21("1","3","7","6","5","7","5","1") = "6"
    & skf21("1","3","7","6","5","7","6","1") = "6"
    & skf21("1","3","7","6","5","7","7","1") = "6"
    & skf21("1","3","7","6","6","1","1","1") = "6"
    & skf21("1","3","7","6","6","1","2","1") = "6"
    & skf21("1","3","7","6","6","1","3","1") = "6"
    & skf21("1","3","7","6","6","1","4","1") = "6"
    & skf21("1","3","7","6","6","1","5","1") = "6"
    & skf21("1","3","7","6","6","1","6","1") = "6"
    & skf21("1","3","7","6","6","1","7","1") = "6"
    & skf21("1","3","7","6","6","2","1","1") = "6"
    & skf21("1","3","7","6","6","2","2","1") = "6"
    & skf21("1","3","7","6","6","2","3","1") = "6"
    & skf21("1","3","7","6","6","2","4","1") = "6"
    & skf21("1","3","7","6","6","2","5","1") = "6"
    & skf21("1","3","7","6","6","2","6","1") = "6"
    & skf21("1","3","7","6","6","2","7","1") = "6"
    & skf21("1","3","7","6","6","3","1","1") = "6"
    & skf21("1","3","7","6","6","3","2","1") = "6"
    & skf21("1","3","7","6","6","3","3","1") = "6"
    & skf21("1","3","7","6","6","3","4","1") = "6"
    & skf21("1","3","7","6","6","3","5","1") = "6"
    & skf21("1","3","7","6","6","3","6","1") = "6"
    & skf21("1","3","7","6","6","3","7","1") = "6"
    & skf21("1","3","7","6","6","4","1","1") = "6"
    & skf21("1","3","7","6","6","4","2","1") = "6"
    & skf21("1","3","7","6","6","4","3","1") = "6"
    & skf21("1","3","7","6","6","4","4","1") = "6"
    & skf21("1","3","7","6","6","4","5","1") = "6"
    & skf21("1","3","7","6","6","4","6","1") = "6"
    & skf21("1","3","7","6","6","4","7","1") = "6"
    & skf21("1","3","7","6","6","5","1","1") = "6"
    & skf21("1","3","7","6","6","5","2","1") = "6"
    & skf21("1","3","7","6","6","5","3","1") = "6"
    & skf21("1","3","7","6","6","5","4","1") = "6"
    & skf21("1","3","7","6","6","5","5","1") = "6"
    & skf21("1","3","7","6","6","5","6","1") = "6"
    & skf21("1","3","7","6","6","5","7","1") = "6"
    & skf21("1","3","7","6","6","6","1","1") = "6"
    & skf21("1","3","7","6","6","6","2","1") = "6"
    & skf21("1","3","7","6","6","6","3","1") = "6"
    & skf21("1","3","7","6","6","6","4","1") = "6"
    & skf21("1","3","7","6","6","6","5","1") = "6"
    & skf21("1","3","7","6","6","6","6","1") = "6"
    & skf21("1","3","7","6","6","6","7","1") = "6"
    & skf21("1","3","7","6","6","7","1","1") = "6"
    & skf21("1","3","7","6","6","7","2","1") = "6"
    & skf21("1","3","7","6","6","7","3","1") = "6"
    & skf21("1","3","7","6","6","7","4","1") = "6"
    & skf21("1","3","7","6","6","7","5","1") = "6"
    & skf21("1","3","7","6","6","7","6","1") = "6"
    & skf21("1","3","7","6","6","7","7","1") = "6"
    & skf21("1","3","7","6","7","1","1","1") = "6"
    & skf21("1","3","7","6","7","1","2","1") = "6"
    & skf21("1","3","7","6","7","1","3","1") = "6"
    & skf21("1","3","7","6","7","1","4","1") = "6"
    & skf21("1","3","7","6","7","1","5","1") = "6"
    & skf21("1","3","7","6","7","1","6","1") = "6"
    & skf21("1","3","7","6","7","1","7","1") = "6"
    & skf21("1","3","7","6","7","2","1","1") = "6"
    & skf21("1","3","7","6","7","2","2","1") = "6"
    & skf21("1","3","7","6","7","2","3","1") = "6"
    & skf21("1","3","7","6","7","2","4","1") = "6"
    & skf21("1","3","7","6","7","2","5","1") = "6"
    & skf21("1","3","7","6","7","2","6","1") = "6"
    & skf21("1","3","7","6","7","2","7","1") = "6"
    & skf21("1","3","7","6","7","3","1","1") = "6"
    & skf21("1","3","7","6","7","3","2","1") = "6"
    & skf21("1","3","7","6","7","3","3","1") = "6"
    & skf21("1","3","7","6","7","3","4","1") = "6"
    & skf21("1","3","7","6","7","3","5","1") = "6"
    & skf21("1","3","7","6","7","3","6","1") = "6"
    & skf21("1","3","7","6","7","3","7","1") = "6"
    & skf21("1","3","7","6","7","4","1","1") = "6"
    & skf21("1","3","7","6","7","4","2","1") = "6"
    & skf21("1","3","7","6","7","4","3","1") = "6"
    & skf21("1","3","7","6","7","4","4","1") = "6"
    & skf21("1","3","7","6","7","4","5","1") = "6"
    & skf21("1","3","7","6","7","4","6","1") = "6"
    & skf21("1","3","7","6","7","4","7","1") = "6"
    & skf21("1","3","7","6","7","5","1","1") = "6"
    & skf21("1","3","7","6","7","5","2","1") = "6"
    & skf21("1","3","7","6","7","5","3","1") = "6"
    & skf21("1","3","7","6","7","5","4","1") = "6"
    & skf21("1","3","7","6","7","5","5","1") = "6"
    & skf21("1","3","7","6","7","5","6","1") = "6"
    & skf21("1","3","7","6","7","5","7","1") = "6"
    & skf21("1","3","7","6","7","6","1","1") = "6"
    & skf21("1","3","7","6","7","6","2","1") = "6"
    & skf21("1","3","7","6","7","6","3","1") = "6"
    & skf21("1","3","7","6","7","6","4","1") = "6"
    & skf21("1","3","7","6","7","6","5","1") = "6"
    & skf21("1","3","7","6","7","6","6","1") = "6"
    & skf21("1","3","7","6","7","6","7","1") = "6"
    & skf21("1","3","7","6","7","7","1","1") = "6"
    & skf21("1","3","7","6","7","7","2","1") = "6"
    & skf21("1","3","7","6","7","7","3","1") = "6"
    & skf21("1","3","7","6","7","7","4","1") = "6"
    & skf21("1","3","7","6","7","7","5","1") = "6"
    & skf21("1","3","7","6","7","7","6","1") = "6"
    & skf21("1","3","7","6","7","7","7","1") = "6"
    & skf21("1","3","7","7","1","1","1","1") = "6"
    & skf21("1","3","7","7","1","1","2","1") = "6"
    & skf21("1","3","7","7","1","1","3","1") = "6"
    & skf21("1","3","7","7","1","1","4","1") = "6"
    & skf21("1","3","7","7","1","1","5","1") = "6"
    & skf21("1","3","7","7","1","1","6","1") = "6"
    & skf21("1","3","7","7","1","1","7","1") = "6"
    & skf21("1","3","7","7","1","2","1","1") = "6"
    & skf21("1","3","7","7","1","2","2","1") = "6"
    & skf21("1","3","7","7","1","2","3","1") = "6"
    & skf21("1","3","7","7","1","2","4","1") = "6"
    & skf21("1","3","7","7","1","2","5","1") = "6"
    & skf21("1","3","7","7","1","2","6","1") = "6"
    & skf21("1","3","7","7","1","2","7","1") = "6"
    & skf21("1","3","7","7","1","3","1","1") = "6"
    & skf21("1","3","7","7","1","3","2","1") = "6"
    & skf21("1","3","7","7","1","3","3","1") = "6"
    & skf21("1","3","7","7","1","3","4","1") = "6"
    & skf21("1","3","7","7","1","3","5","1") = "6"
    & skf21("1","3","7","7","1","3","6","1") = "6"
    & skf21("1","3","7","7","1","3","7","1") = "6"
    & skf21("1","3","7","7","1","4","1","1") = "6"
    & skf21("1","3","7","7","1","4","2","1") = "6"
    & skf21("1","3","7","7","1","4","3","1") = "6"
    & skf21("1","3","7","7","1","4","4","1") = "6"
    & skf21("1","3","7","7","1","4","5","1") = "6"
    & skf21("1","3","7","7","1","4","6","1") = "6"
    & skf21("1","3","7","7","1","4","7","1") = "6"
    & skf21("1","3","7","7","1","5","1","1") = "6"
    & skf21("1","3","7","7","1","5","2","1") = "6"
    & skf21("1","3","7","7","1","5","3","1") = "6"
    & skf21("1","3","7","7","1","5","4","1") = "6"
    & skf21("1","3","7","7","1","5","5","1") = "6"
    & skf21("1","3","7","7","1","5","6","1") = "6"
    & skf21("1","3","7","7","1","5","7","1") = "6"
    & skf21("1","3","7","7","1","6","1","1") = "6"
    & skf21("1","3","7","7","1","6","2","1") = "6"
    & skf21("1","3","7","7","1","6","3","1") = "6"
    & skf21("1","3","7","7","1","6","4","1") = "6"
    & skf21("1","3","7","7","1","6","5","1") = "6"
    & skf21("1","3","7","7","1","6","6","1") = "6"
    & skf21("1","3","7","7","1","6","7","1") = "6"
    & skf21("1","3","7","7","1","7","1","1") = "6"
    & skf21("1","3","7","7","1","7","2","1") = "6"
    & skf21("1","3","7","7","1","7","3","1") = "6"
    & skf21("1","3","7","7","1","7","4","1") = "6"
    & skf21("1","3","7","7","1","7","5","1") = "6"
    & skf21("1","3","7","7","1","7","6","1") = "6"
    & skf21("1","3","7","7","1","7","7","1") = "6"
    & skf21("1","3","7","7","2","1","1","1") = "6"
    & skf21("1","3","7","7","2","1","2","1") = "6"
    & skf21("1","3","7","7","2","1","3","1") = "6"
    & skf21("1","3","7","7","2","1","4","1") = "6"
    & skf21("1","3","7","7","2","1","5","1") = "6"
    & skf21("1","3","7","7","2","1","6","1") = "6"
    & skf21("1","3","7","7","2","1","7","1") = "6"
    & skf21("1","3","7","7","2","2","1","1") = "6"
    & skf21("1","3","7","7","2","2","2","1") = "6"
    & skf21("1","3","7","7","2","2","3","1") = "6"
    & skf21("1","3","7","7","2","2","4","1") = "6"
    & skf21("1","3","7","7","2","2","5","1") = "6"
    & skf21("1","3","7","7","2","2","6","1") = "6"
    & skf21("1","3","7","7","2","2","7","1") = "6"
    & skf21("1","3","7","7","2","3","1","1") = "6"
    & skf21("1","3","7","7","2","3","2","1") = "6"
    & skf21("1","3","7","7","2","3","3","1") = "6"
    & skf21("1","3","7","7","2","3","4","1") = "6"
    & skf21("1","3","7","7","2","3","5","1") = "6"
    & skf21("1","3","7","7","2","3","6","1") = "6"
    & skf21("1","3","7","7","2","3","7","1") = "6"
    & skf21("1","3","7","7","2","4","1","1") = "6"
    & skf21("1","3","7","7","2","4","2","1") = "6"
    & skf21("1","3","7","7","2","4","3","1") = "6"
    & skf21("1","3","7","7","2","4","4","1") = "6"
    & skf21("1","3","7","7","2","4","5","1") = "6"
    & skf21("1","3","7","7","2","4","6","1") = "6"
    & skf21("1","3","7","7","2","4","7","1") = "6"
    & skf21("1","3","7","7","2","5","1","1") = "6"
    & skf21("1","3","7","7","2","5","2","1") = "6"
    & skf21("1","3","7","7","2","5","3","1") = "6"
    & skf21("1","3","7","7","2","5","4","1") = "6"
    & skf21("1","3","7","7","2","5","5","1") = "6"
    & skf21("1","3","7","7","2","5","6","1") = "6"
    & skf21("1","3","7","7","2","5","7","1") = "6"
    & skf21("1","3","7","7","2","6","1","1") = "6"
    & skf21("1","3","7","7","2","6","2","1") = "6"
    & skf21("1","3","7","7","2","6","3","1") = "6"
    & skf21("1","3","7","7","2","6","4","1") = "6"
    & skf21("1","3","7","7","2","6","5","1") = "6"
    & skf21("1","3","7","7","2","6","6","1") = "6"
    & skf21("1","3","7","7","2","6","7","1") = "6"
    & skf21("1","3","7","7","2","7","1","1") = "6"
    & skf21("1","3","7","7","2","7","2","1") = "6"
    & skf21("1","3","7","7","2","7","3","1") = "6"
    & skf21("1","3","7","7","2","7","4","1") = "6"
    & skf21("1","3","7","7","2","7","5","1") = "6"
    & skf21("1","3","7","7","2","7","6","1") = "6"
    & skf21("1","3","7","7","2","7","7","1") = "6"
    & skf21("1","3","7","7","3","1","1","1") = "6"
    & skf21("1","3","7","7","3","1","2","1") = "6"
    & skf21("1","3","7","7","3","1","3","1") = "6"
    & skf21("1","3","7","7","3","1","4","1") = "6"
    & skf21("1","3","7","7","3","1","5","1") = "6"
    & skf21("1","3","7","7","3","1","6","1") = "6"
    & skf21("1","3","7","7","3","1","7","1") = "6"
    & skf21("1","3","7","7","3","2","1","1") = "6"
    & skf21("1","3","7","7","3","2","2","1") = "6"
    & skf21("1","3","7","7","3","2","3","1") = "6"
    & skf21("1","3","7","7","3","2","4","1") = "6"
    & skf21("1","3","7","7","3","2","5","1") = "6"
    & skf21("1","3","7","7","3","2","6","1") = "6"
    & skf21("1","3","7","7","3","2","7","1") = "6"
    & skf21("1","3","7","7","3","3","1","1") = "6"
    & skf21("1","3","7","7","3","3","2","1") = "6"
    & skf21("1","3","7","7","3","3","3","1") = "6"
    & skf21("1","3","7","7","3","3","4","1") = "6"
    & skf21("1","3","7","7","3","3","5","1") = "6"
    & skf21("1","3","7","7","3","3","6","1") = "6"
    & skf21("1","3","7","7","3","3","7","1") = "6"
    & skf21("1","3","7","7","3","4","1","1") = "6"
    & skf21("1","3","7","7","3","4","2","1") = "6"
    & skf21("1","3","7","7","3","4","3","1") = "6"
    & skf21("1","3","7","7","3","4","4","1") = "6"
    & skf21("1","3","7","7","3","4","5","1") = "6"
    & skf21("1","3","7","7","3","4","6","1") = "6"
    & skf21("1","3","7","7","3","4","7","1") = "6"
    & skf21("1","3","7","7","3","5","1","1") = "6"
    & skf21("1","3","7","7","3","5","2","1") = "6"
    & skf21("1","3","7","7","3","5","3","1") = "6"
    & skf21("1","3","7","7","3","5","4","1") = "6"
    & skf21("1","3","7","7","3","5","5","1") = "6"
    & skf21("1","3","7","7","3","5","6","1") = "6"
    & skf21("1","3","7","7","3","5","7","1") = "6"
    & skf21("1","3","7","7","3","6","1","1") = "6"
    & skf21("1","3","7","7","3","6","2","1") = "6"
    & skf21("1","3","7","7","3","6","3","1") = "6"
    & skf21("1","3","7","7","3","6","4","1") = "6"
    & skf21("1","3","7","7","3","6","5","1") = "6"
    & skf21("1","3","7","7","3","6","6","1") = "6"
    & skf21("1","3","7","7","3","6","7","1") = "6"
    & skf21("1","3","7","7","3","7","1","1") = "6"
    & skf21("1","3","7","7","3","7","2","1") = "6"
    & skf21("1","3","7","7","3","7","3","1") = "6"
    & skf21("1","3","7","7","3","7","4","1") = "6"
    & skf21("1","3","7","7","3","7","5","1") = "6"
    & skf21("1","3","7","7","3","7","6","1") = "6"
    & skf21("1","3","7","7","3","7","7","1") = "6"
    & skf21("1","3","7","7","4","1","1","1") = "6"
    & skf21("1","3","7","7","4","1","2","1") = "6"
    & skf21("1","3","7","7","4","1","3","1") = "6"
    & skf21("1","3","7","7","4","1","4","1") = "6"
    & skf21("1","3","7","7","4","1","5","1") = "6"
    & skf21("1","3","7","7","4","1","6","1") = "6"
    & skf21("1","3","7","7","4","1","7","1") = "6"
    & skf21("1","3","7","7","4","2","1","1") = "6"
    & skf21("1","3","7","7","4","2","2","1") = "6"
    & skf21("1","3","7","7","4","2","3","1") = "6"
    & skf21("1","3","7","7","4","2","4","1") = "6"
    & skf21("1","3","7","7","4","2","5","1") = "6"
    & skf21("1","3","7","7","4","2","6","1") = "6"
    & skf21("1","3","7","7","4","2","7","1") = "6"
    & skf21("1","3","7","7","4","3","1","1") = "6"
    & skf21("1","3","7","7","4","3","2","1") = "6"
    & skf21("1","3","7","7","4","3","3","1") = "6"
    & skf21("1","3","7","7","4","3","4","1") = "6"
    & skf21("1","3","7","7","4","3","5","1") = "6"
    & skf21("1","3","7","7","4","3","6","1") = "6"
    & skf21("1","3","7","7","4","3","7","1") = "6"
    & skf21("1","3","7","7","4","4","1","1") = "6"
    & skf21("1","3","7","7","4","4","2","1") = "6"
    & skf21("1","3","7","7","4","4","3","1") = "6"
    & skf21("1","3","7","7","4","4","4","1") = "6"
    & skf21("1","3","7","7","4","4","5","1") = "6"
    & skf21("1","3","7","7","4","4","6","1") = "6"
    & skf21("1","3","7","7","4","4","7","1") = "6"
    & skf21("1","3","7","7","4","5","1","1") = "6"
    & skf21("1","3","7","7","4","5","2","1") = "6"
    & skf21("1","3","7","7","4","5","3","1") = "6"
    & skf21("1","3","7","7","4","5","4","1") = "6"
    & skf21("1","3","7","7","4","5","5","1") = "6"
    & skf21("1","3","7","7","4","5","6","1") = "6"
    & skf21("1","3","7","7","4","5","7","1") = "6"
    & skf21("1","3","7","7","4","6","1","1") = "6"
    & skf21("1","3","7","7","4","6","2","1") = "6"
    & skf21("1","3","7","7","4","6","3","1") = "6"
    & skf21("1","3","7","7","4","6","4","1") = "6"
    & skf21("1","3","7","7","4","6","5","1") = "6"
    & skf21("1","3","7","7","4","6","6","1") = "6"
    & skf21("1","3","7","7","4","6","7","1") = "6"
    & skf21("1","3","7","7","4","7","1","1") = "6"
    & skf21("1","3","7","7","4","7","2","1") = "6"
    & skf21("1","3","7","7","4","7","3","1") = "6"
    & skf21("1","3","7","7","4","7","4","1") = "6"
    & skf21("1","3","7","7","4","7","5","1") = "6"
    & skf21("1","3","7","7","4","7","6","1") = "6"
    & skf21("1","3","7","7","4","7","7","1") = "6"
    & skf21("1","3","7","7","5","1","1","1") = "6"
    & skf21("1","3","7","7","5","1","2","1") = "6"
    & skf21("1","3","7","7","5","1","3","1") = "6"
    & skf21("1","3","7","7","5","1","4","1") = "6"
    & skf21("1","3","7","7","5","1","5","1") = "6"
    & skf21("1","3","7","7","5","1","6","1") = "6"
    & skf21("1","3","7","7","5","1","7","1") = "6"
    & skf21("1","3","7","7","5","2","1","1") = "6"
    & skf21("1","3","7","7","5","2","2","1") = "6"
    & skf21("1","3","7","7","5","2","3","1") = "6"
    & skf21("1","3","7","7","5","2","4","1") = "6"
    & skf21("1","3","7","7","5","2","5","1") = "6"
    & skf21("1","3","7","7","5","2","6","1") = "6"
    & skf21("1","3","7","7","5","2","7","1") = "6"
    & skf21("1","3","7","7","5","3","1","1") = "6"
    & skf21("1","3","7","7","5","3","2","1") = "6"
    & skf21("1","3","7","7","5","3","3","1") = "6"
    & skf21("1","3","7","7","5","3","4","1") = "6"
    & skf21("1","3","7","7","5","3","5","1") = "6"
    & skf21("1","3","7","7","5","3","6","1") = "6"
    & skf21("1","3","7","7","5","3","7","1") = "6"
    & skf21("1","3","7","7","5","4","1","1") = "6"
    & skf21("1","3","7","7","5","4","2","1") = "6"
    & skf21("1","3","7","7","5","4","3","1") = "6"
    & skf21("1","3","7","7","5","4","4","1") = "6"
    & skf21("1","3","7","7","5","4","5","1") = "6"
    & skf21("1","3","7","7","5","4","6","1") = "6"
    & skf21("1","3","7","7","5","4","7","1") = "6"
    & skf21("1","3","7","7","5","5","1","1") = "6"
    & skf21("1","3","7","7","5","5","2","1") = "6"
    & skf21("1","3","7","7","5","5","3","1") = "6"
    & skf21("1","3","7","7","5","5","4","1") = "6"
    & skf21("1","3","7","7","5","5","5","1") = "6"
    & skf21("1","3","7","7","5","5","6","1") = "6"
    & skf21("1","3","7","7","5","5","7","1") = "6"
    & skf21("1","3","7","7","5","6","1","1") = "6"
    & skf21("1","3","7","7","5","6","2","1") = "6"
    & skf21("1","3","7","7","5","6","3","1") = "6"
    & skf21("1","3","7","7","5","6","4","1") = "6"
    & skf21("1","3","7","7","5","6","5","1") = "6"
    & skf21("1","3","7","7","5","6","6","1") = "6"
    & skf21("1","3","7","7","5","6","7","1") = "6"
    & skf21("1","3","7","7","5","7","1","1") = "6"
    & skf21("1","3","7","7","5","7","2","1") = "6"
    & skf21("1","3","7","7","5","7","3","1") = "6"
    & skf21("1","3","7","7","5","7","4","1") = "6"
    & skf21("1","3","7","7","5","7","5","1") = "6"
    & skf21("1","3","7","7","5","7","6","1") = "6"
    & skf21("1","3","7","7","5","7","7","1") = "6"
    & skf21("1","3","7","7","6","1","1","1") = "6"
    & skf21("1","3","7","7","6","1","2","1") = "6"
    & skf21("1","3","7","7","6","1","3","1") = "6"
    & skf21("1","3","7","7","6","1","4","1") = "6"
    & skf21("1","3","7","7","6","1","5","1") = "6"
    & skf21("1","3","7","7","6","1","6","1") = "6"
    & skf21("1","3","7","7","6","1","7","1") = "6"
    & skf21("1","3","7","7","6","2","1","1") = "6"
    & skf21("1","3","7","7","6","2","2","1") = "6"
    & skf21("1","3","7","7","6","2","3","1") = "6"
    & skf21("1","3","7","7","6","2","4","1") = "6"
    & skf21("1","3","7","7","6","2","5","1") = "6"
    & skf21("1","3","7","7","6","2","6","1") = "6"
    & skf21("1","3","7","7","6","2","7","1") = "6"
    & skf21("1","3","7","7","6","3","1","1") = "6"
    & skf21("1","3","7","7","6","3","2","1") = "6"
    & skf21("1","3","7","7","6","3","3","1") = "6"
    & skf21("1","3","7","7","6","3","4","1") = "6"
    & skf21("1","3","7","7","6","3","5","1") = "6"
    & skf21("1","3","7","7","6","3","6","1") = "6"
    & skf21("1","3","7","7","6","3","7","1") = "6"
    & skf21("1","3","7","7","6","4","1","1") = "6"
    & skf21("1","3","7","7","6","4","2","1") = "6"
    & skf21("1","3","7","7","6","4","3","1") = "6"
    & skf21("1","3","7","7","6","4","4","1") = "6"
    & skf21("1","3","7","7","6","4","5","1") = "6"
    & skf21("1","3","7","7","6","4","6","1") = "6"
    & skf21("1","3","7","7","6","4","7","1") = "6"
    & skf21("1","3","7","7","6","5","1","1") = "6"
    & skf21("1","3","7","7","6","5","2","1") = "6"
    & skf21("1","3","7","7","6","5","3","1") = "6"
    & skf21("1","3","7","7","6","5","4","1") = "6"
    & skf21("1","3","7","7","6","5","5","1") = "6"
    & skf21("1","3","7","7","6","5","6","1") = "6"
    & skf21("1","3","7","7","6","5","7","1") = "6"
    & skf21("1","3","7","7","6","6","1","1") = "6"
    & skf21("1","3","7","7","6","6","2","1") = "6"
    & skf21("1","3","7","7","6","6","3","1") = "6"
    & skf21("1","3","7","7","6","6","4","1") = "6"
    & skf21("1","3","7","7","6","6","5","1") = "6"
    & skf21("1","3","7","7","6","6","6","1") = "6"
    & skf21("1","3","7","7","6","6","7","1") = "6"
    & skf21("1","3","7","7","6","7","1","1") = "6"
    & skf21("1","3","7","7","6","7","2","1") = "6"
    & skf21("1","3","7","7","6","7","3","1") = "6"
    & skf21("1","3","7","7","6","7","4","1") = "6"
    & skf21("1","3","7","7","6","7","5","1") = "6"
    & skf21("1","3","7","7","6","7","6","1") = "6"
    & skf21("1","3","7","7","6","7","7","1") = "6"
    & skf21("1","3","7","7","7","1","1","1") = "6"
    & skf21("1","3","7","7","7","1","2","1") = "6"
    & skf21("1","3","7","7","7","1","3","1") = "6"
    & skf21("1","3","7","7","7","1","4","1") = "6"
    & skf21("1","3","7","7","7","1","5","1") = "6"
    & skf21("1","3","7","7","7","1","6","1") = "6"
    & skf21("1","3","7","7","7","1","7","1") = "6"
    & skf21("1","3","7","7","7","2","1","1") = "6"
    & skf21("1","3","7","7","7","2","2","1") = "6"
    & skf21("1","3","7","7","7","2","3","1") = "6"
    & skf21("1","3","7","7","7","2","4","1") = "6"
    & skf21("1","3","7","7","7","2","5","1") = "6"
    & skf21("1","3","7","7","7","2","6","1") = "6"
    & skf21("1","3","7","7","7","2","7","1") = "6"
    & skf21("1","3","7","7","7","3","1","1") = "6"
    & skf21("1","3","7","7","7","3","2","1") = "6"
    & skf21("1","3","7","7","7","3","3","1") = "6"
    & skf21("1","3","7","7","7","3","4","1") = "6"
    & skf21("1","3","7","7","7","3","5","1") = "6"
    & skf21("1","3","7","7","7","3","6","1") = "6"
    & skf21("1","3","7","7","7","3","7","1") = "6"
    & skf21("1","3","7","7","7","4","1","1") = "6"
    & skf21("1","3","7","7","7","4","2","1") = "6"
    & skf21("1","3","7","7","7","4","3","1") = "6"
    & skf21("1","3","7","7","7","4","4","1") = "6"
    & skf21("1","3","7","7","7","4","5","1") = "6"
    & skf21("1","3","7","7","7","4","6","1") = "6"
    & skf21("1","3","7","7","7","4","7","1") = "6"
    & skf21("1","3","7","7","7","5","1","1") = "6"
    & skf21("1","3","7","7","7","5","2","1") = "6"
    & skf21("1","3","7","7","7","5","3","1") = "6"
    & skf21("1","3","7","7","7","5","4","1") = "6"
    & skf21("1","3","7","7","7","5","5","1") = "6"
    & skf21("1","3","7","7","7","5","6","1") = "6"
    & skf21("1","3","7","7","7","5","7","1") = "6"
    & skf21("1","3","7","7","7","6","1","1") = "6"
    & skf21("1","3","7","7","7","6","2","1") = "6"
    & skf21("1","3","7","7","7","6","3","1") = "6"
    & skf21("1","3","7","7","7","6","4","1") = "6"
    & skf21("1","3","7","7","7","6","5","1") = "6"
    & skf21("1","3","7","7","7","6","6","1") = "6"
    & skf21("1","3","7","7","7","6","7","1") = "6"
    & skf21("1","3","7","7","7","7","1","1") = "6"
    & skf21("1","3","7","7","7","7","2","1") = "6"
    & skf21("1","3","7","7","7","7","3","1") = "6"
    & skf21("1","3","7","7","7","7","4","1") = "6"
    & skf21("1","3","7","7","7","7","5","1") = "6"
    & skf21("1","3","7","7","7","7","6","1") = "6"
    & skf21("1","3","7","7","7","7","7","1") = "6"
    & skf21("1","4","1","1","1","1","1","1") = "3"
    & skf21("1","4","1","1","1","1","2","1") = "3"
    & skf21("1","4","1","1","1","1","3","1") = "3"
    & skf21("1","4","1","1","1","1","4","1") = "3"
    & skf21("1","4","1","1","1","1","5","1") = "4"
    & skf21("1","4","1","1","1","1","6","1") = "5"
    & skf21("1","4","1","1","1","1","7","1") = "6"
    & skf21("1","4","1","1","1","2","1","1") = "3"
    & skf21("1","4","1","1","1","2","2","1") = "3"
    & skf21("1","4","1","1","1","2","3","1") = "3"
    & skf21("1","4","1","1","1","2","4","1") = "3"
    & skf21("1","4","1","1","1","2","5","1") = "4"
    & skf21("1","4","1","1","1","2","6","1") = "5"
    & skf21("1","4","1","1","1","2","7","1") = "6"
    & skf21("1","4","1","1","1","3","1","1") = "3"
    & skf21("1","4","1","1","1","3","2","1") = "3"
    & skf21("1","4","1","1","1","3","3","1") = "3"
    & skf21("1","4","1","1","1","3","4","1") = "3"
    & skf21("1","4","1","1","1","3","5","1") = "4"
    & skf21("1","4","1","1","1","3","6","1") = "5"
    & skf21("1","4","1","1","1","3","7","1") = "6"
    & skf21("1","4","1","1","1","4","1","1") = "3"
    & skf21("1","4","1","1","1","4","2","1") = "3"
    & skf21("1","4","1","1","1","4","3","1") = "3"
    & skf21("1","4","1","1","1","4","4","1") = "3"
    & skf21("1","4","1","1","1","4","5","1") = "4"
    & skf21("1","4","1","1","1","4","6","1") = "5"
    & skf21("1","4","1","1","1","4","7","1") = "6"
    & skf21("1","4","1","1","1","5","1","1") = "4"
    & skf21("1","4","1","1","1","5","2","1") = "4"
    & skf21("1","4","1","1","1","5","3","1") = "4"
    & skf21("1","4","1","1","1","5","4","1") = "4"
    & skf21("1","4","1","1","1","5","5","1") = "4"
    & skf21("1","4","1","1","1","5","6","1") = "5"
    & skf21("1","4","1","1","1","5","7","1") = "6"
    & skf21("1","4","1","1","1","6","1","1") = "5"
    & skf21("1","4","1","1","1","6","2","1") = "5"
    & skf21("1","4","1","1","1","6","3","1") = "5"
    & skf21("1","4","1","1","1","6","4","1") = "5"
    & skf21("1","4","1","1","1","6","5","1") = "5"
    & skf21("1","4","1","1","1","6","6","1") = "5"
    & skf21("1","4","1","1","1","6","7","1") = "6"
    & skf21("1","4","1","1","1","7","1","1") = "6"
    & skf21("1","4","1","1","1","7","2","1") = "6"
    & skf21("1","4","1","1","1","7","3","1") = "6"
    & skf21("1","4","1","1","1","7","4","1") = "6"
    & skf21("1","4","1","1","1","7","5","1") = "6"
    & skf21("1","4","1","1","1","7","6","1") = "6"
    & skf21("1","4","1","1","1","7","7","1") = "6"
    & skf21("1","4","1","1","2","1","1","1") = "3"
    & skf21("1","4","1","1","2","1","2","1") = "3"
    & skf21("1","4","1","1","2","1","3","1") = "3"
    & skf21("1","4","1","1","2","1","4","1") = "3"
    & skf21("1","4","1","1","2","1","5","1") = "4"
    & skf21("1","4","1","1","2","1","6","1") = "5"
    & skf21("1","4","1","1","2","1","7","1") = "6"
    & skf21("1","4","1","1","2","2","1","1") = "3"
    & skf21("1","4","1","1","2","2","2","1") = "3"
    & skf21("1","4","1","1","2","2","3","1") = "3"
    & skf21("1","4","1","1","2","2","4","1") = "3"
    & skf21("1","4","1","1","2","2","5","1") = "4"
    & skf21("1","4","1","1","2","2","6","1") = "5"
    & skf21("1","4","1","1","2","2","7","1") = "6"
    & skf21("1","4","1","1","2","3","1","1") = "3"
    & skf21("1","4","1","1","2","3","2","1") = "3"
    & skf21("1","4","1","1","2","3","3","1") = "3"
    & skf21("1","4","1","1","2","3","4","1") = "3"
    & skf21("1","4","1","1","2","3","5","1") = "4"
    & skf21("1","4","1","1","2","3","6","1") = "5"
    & skf21("1","4","1","1","2","3","7","1") = "6"
    & skf21("1","4","1","1","2","4","1","1") = "3"
    & skf21("1","4","1","1","2","4","2","1") = "3"
    & skf21("1","4","1","1","2","4","3","1") = "3"
    & skf21("1","4","1","1","2","4","4","1") = "3"
    & skf21("1","4","1","1","2","4","5","1") = "4"
    & skf21("1","4","1","1","2","4","6","1") = "5"
    & skf21("1","4","1","1","2","4","7","1") = "6"
    & skf21("1","4","1","1","2","5","1","1") = "4"
    & skf21("1","4","1","1","2","5","2","1") = "4"
    & skf21("1","4","1","1","2","5","3","1") = "4"
    & skf21("1","4","1","1","2","5","4","1") = "4"
    & skf21("1","4","1","1","2","5","5","1") = "4"
    & skf21("1","4","1","1","2","5","6","1") = "5"
    & skf21("1","4","1","1","2","5","7","1") = "6"
    & skf21("1","4","1","1","2","6","1","1") = "5"
    & skf21("1","4","1","1","2","6","2","1") = "5"
    & skf21("1","4","1","1","2","6","3","1") = "5"
    & skf21("1","4","1","1","2","6","4","1") = "5"
    & skf21("1","4","1","1","2","6","5","1") = "5"
    & skf21("1","4","1","1","2","6","6","1") = "5"
    & skf21("1","4","1","1","2","6","7","1") = "6"
    & skf21("1","4","1","1","2","7","1","1") = "6"
    & skf21("1","4","1","1","2","7","2","1") = "6"
    & skf21("1","4","1","1","2","7","3","1") = "6"
    & skf21("1","4","1","1","2","7","4","1") = "6"
    & skf21("1","4","1","1","2","7","5","1") = "6"
    & skf21("1","4","1","1","2","7","6","1") = "6"
    & skf21("1","4","1","1","2","7","7","1") = "6"
    & skf21("1","4","1","1","3","1","1","1") = "3"
    & skf21("1","4","1","1","3","1","2","1") = "3"
    & skf21("1","4","1","1","3","1","3","1") = "3"
    & skf21("1","4","1","1","3","1","4","1") = "3"
    & skf21("1","4","1","1","3","1","5","1") = "4"
    & skf21("1","4","1","1","3","1","6","1") = "5"
    & skf21("1","4","1","1","3","1","7","1") = "6"
    & skf21("1","4","1","1","3","2","1","1") = "3"
    & skf21("1","4","1","1","3","2","2","1") = "3"
    & skf21("1","4","1","1","3","2","3","1") = "3"
    & skf21("1","4","1","1","3","2","4","1") = "3"
    & skf21("1","4","1","1","3","2","5","1") = "4"
    & skf21("1","4","1","1","3","2","6","1") = "5"
    & skf21("1","4","1","1","3","2","7","1") = "6"
    & skf21("1","4","1","1","3","3","1","1") = "3"
    & skf21("1","4","1","1","3","3","2","1") = "3"
    & skf21("1","4","1","1","3","3","3","1") = "3"
    & skf21("1","4","1","1","3","3","4","1") = "3"
    & skf21("1","4","1","1","3","3","5","1") = "4"
    & skf21("1","4","1","1","3","3","6","1") = "5"
    & skf21("1","4","1","1","3","3","7","1") = "6"
    & skf21("1","4","1","1","3","4","1","1") = "3"
    & skf21("1","4","1","1","3","4","2","1") = "3"
    & skf21("1","4","1","1","3","4","3","1") = "3"
    & skf21("1","4","1","1","3","4","4","1") = "3"
    & skf21("1","4","1","1","3","4","5","1") = "4"
    & skf21("1","4","1","1","3","4","6","1") = "5"
    & skf21("1","4","1","1","3","4","7","1") = "6"
    & skf21("1","4","1","1","3","5","1","1") = "4"
    & skf21("1","4","1","1","3","5","2","1") = "4"
    & skf21("1","4","1","1","3","5","3","1") = "4"
    & skf21("1","4","1","1","3","5","4","1") = "4"
    & skf21("1","4","1","1","3","5","5","1") = "4"
    & skf21("1","4","1","1","3","5","6","1") = "5"
    & skf21("1","4","1","1","3","5","7","1") = "6"
    & skf21("1","4","1","1","3","6","1","1") = "5"
    & skf21("1","4","1","1","3","6","2","1") = "5"
    & skf21("1","4","1","1","3","6","3","1") = "5"
    & skf21("1","4","1","1","3","6","4","1") = "5"
    & skf21("1","4","1","1","3","6","5","1") = "5"
    & skf21("1","4","1","1","3","6","6","1") = "5"
    & skf21("1","4","1","1","3","6","7","1") = "6"
    & skf21("1","4","1","1","3","7","1","1") = "6"
    & skf21("1","4","1","1","3","7","2","1") = "6"
    & skf21("1","4","1","1","3","7","3","1") = "6"
    & skf21("1","4","1","1","3","7","4","1") = "6"
    & skf21("1","4","1","1","3","7","5","1") = "6"
    & skf21("1","4","1","1","3","7","6","1") = "6"
    & skf21("1","4","1","1","3","7","7","1") = "6"
    & skf21("1","4","1","1","4","1","1","1") = "3"
    & skf21("1","4","1","1","4","1","2","1") = "3"
    & skf21("1","4","1","1","4","1","3","1") = "3"
    & skf21("1","4","1","1","4","1","4","1") = "3"
    & skf21("1","4","1","1","4","1","5","1") = "4"
    & skf21("1","4","1","1","4","1","6","1") = "5"
    & skf21("1","4","1","1","4","1","7","1") = "6"
    & skf21("1","4","1","1","4","2","1","1") = "3"
    & skf21("1","4","1","1","4","2","2","1") = "3"
    & skf21("1","4","1","1","4","2","3","1") = "3"
    & skf21("1","4","1","1","4","2","4","1") = "3"
    & skf21("1","4","1","1","4","2","5","1") = "4"
    & skf21("1","4","1","1","4","2","6","1") = "5"
    & skf21("1","4","1","1","4","2","7","1") = "6"
    & skf21("1","4","1","1","4","3","1","1") = "3"
    & skf21("1","4","1","1","4","3","2","1") = "3"
    & skf21("1","4","1","1","4","3","3","1") = "3"
    & skf21("1","4","1","1","4","3","4","1") = "3"
    & skf21("1","4","1","1","4","3","5","1") = "4"
    & skf21("1","4","1","1","4","3","6","1") = "5"
    & skf21("1","4","1","1","4","3","7","1") = "6"
    & skf21("1","4","1","1","4","4","1","1") = "3"
    & skf21("1","4","1","1","4","4","2","1") = "3"
    & skf21("1","4","1","1","4","4","3","1") = "3"
    & skf21("1","4","1","1","4","4","4","1") = "3"
    & skf21("1","4","1","1","4","4","5","1") = "4"
    & skf21("1","4","1","1","4","4","6","1") = "5"
    & skf21("1","4","1","1","4","4","7","1") = "6"
    & skf21("1","4","1","1","4","5","1","1") = "4"
    & skf21("1","4","1","1","4","5","2","1") = "4"
    & skf21("1","4","1","1","4","5","3","1") = "4"
    & skf21("1","4","1","1","4","5","4","1") = "4"
    & skf21("1","4","1","1","4","5","5","1") = "4"
    & skf21("1","4","1","1","4","5","6","1") = "5"
    & skf21("1","4","1","1","4","5","7","1") = "6"
    & skf21("1","4","1","1","4","6","1","1") = "5"
    & skf21("1","4","1","1","4","6","2","1") = "5"
    & skf21("1","4","1","1","4","6","3","1") = "5"
    & skf21("1","4","1","1","4","6","4","1") = "5"
    & skf21("1","4","1","1","4","6","5","1") = "5"
    & skf21("1","4","1","1","4","6","6","1") = "5"
    & skf21("1","4","1","1","4","6","7","1") = "6"
    & skf21("1","4","1","1","4","7","1","1") = "6"
    & skf21("1","4","1","1","4","7","2","1") = "6"
    & skf21("1","4","1","1","4","7","3","1") = "6"
    & skf21("1","4","1","1","4","7","4","1") = "6"
    & skf21("1","4","1","1","4","7","5","1") = "6"
    & skf21("1","4","1","1","4","7","6","1") = "6"
    & skf21("1","4","1","1","4","7","7","1") = "6"
    & skf21("1","4","1","1","5","1","1","1") = "4"
    & skf21("1","4","1","1","5","1","2","1") = "4"
    & skf21("1","4","1","1","5","1","3","1") = "4"
    & skf21("1","4","1","1","5","1","4","1") = "4"
    & skf21("1","4","1","1","5","1","5","1") = "4"
    & skf21("1","4","1","1","5","1","6","1") = "5"
    & skf21("1","4","1","1","5","1","7","1") = "6"
    & skf21("1","4","1","1","5","2","1","1") = "4"
    & skf21("1","4","1","1","5","2","2","1") = "4"
    & skf21("1","4","1","1","5","2","3","1") = "4"
    & skf21("1","4","1","1","5","2","4","1") = "4"
    & skf21("1","4","1","1","5","2","5","1") = "4"
    & skf21("1","4","1","1","5","2","6","1") = "5"
    & skf21("1","4","1","1","5","2","7","1") = "6"
    & skf21("1","4","1","1","5","3","1","1") = "4"
    & skf21("1","4","1","1","5","3","2","1") = "4"
    & skf21("1","4","1","1","5","3","3","1") = "4"
    & skf21("1","4","1","1","5","3","4","1") = "4"
    & skf21("1","4","1","1","5","3","5","1") = "4"
    & skf21("1","4","1","1","5","3","6","1") = "5"
    & skf21("1","4","1","1","5","3","7","1") = "6"
    & skf21("1","4","1","1","5","4","1","1") = "4"
    & skf21("1","4","1","1","5","4","2","1") = "4"
    & skf21("1","4","1","1","5","4","3","1") = "4"
    & skf21("1","4","1","1","5","4","4","1") = "4"
    & skf21("1","4","1","1","5","4","5","1") = "4"
    & skf21("1","4","1","1","5","4","6","1") = "5"
    & skf21("1","4","1","1","5","4","7","1") = "6"
    & skf21("1","4","1","1","5","5","1","1") = "4"
    & skf21("1","4","1","1","5","5","2","1") = "4"
    & skf21("1","4","1","1","5","5","3","1") = "4"
    & skf21("1","4","1","1","5","5","4","1") = "4"
    & skf21("1","4","1","1","5","5","5","1") = "4"
    & skf21("1","4","1","1","5","5","6","1") = "5"
    & skf21("1","4","1","1","5","5","7","1") = "6"
    & skf21("1","4","1","1","5","6","1","1") = "5"
    & skf21("1","4","1","1","5","6","2","1") = "5"
    & skf21("1","4","1","1","5","6","3","1") = "5"
    & skf21("1","4","1","1","5","6","4","1") = "5"
    & skf21("1","4","1","1","5","6","5","1") = "5"
    & skf21("1","4","1","1","5","6","6","1") = "5"
    & skf21("1","4","1","1","5","6","7","1") = "6"
    & skf21("1","4","1","1","5","7","1","1") = "6"
    & skf21("1","4","1","1","5","7","2","1") = "6"
    & skf21("1","4","1","1","5","7","3","1") = "6"
    & skf21("1","4","1","1","5","7","4","1") = "6"
    & skf21("1","4","1","1","5","7","5","1") = "6"
    & skf21("1","4","1","1","5","7","6","1") = "6"
    & skf21("1","4","1","1","5","7","7","1") = "6"
    & skf21("1","4","1","1","6","1","1","1") = "5"
    & skf21("1","4","1","1","6","1","2","1") = "5"
    & skf21("1","4","1","1","6","1","3","1") = "5"
    & skf21("1","4","1","1","6","1","4","1") = "5"
    & skf21("1","4","1","1","6","1","5","1") = "5"
    & skf21("1","4","1","1","6","1","6","1") = "5"
    & skf21("1","4","1","1","6","1","7","1") = "6"
    & skf21("1","4","1","1","6","2","1","1") = "5"
    & skf21("1","4","1","1","6","2","2","1") = "5"
    & skf21("1","4","1","1","6","2","3","1") = "5"
    & skf21("1","4","1","1","6","2","4","1") = "5"
    & skf21("1","4","1","1","6","2","5","1") = "5"
    & skf21("1","4","1","1","6","2","6","1") = "5"
    & skf21("1","4","1","1","6","2","7","1") = "6"
    & skf21("1","4","1","1","6","3","1","1") = "5"
    & skf21("1","4","1","1","6","3","2","1") = "5"
    & skf21("1","4","1","1","6","3","3","1") = "5"
    & skf21("1","4","1","1","6","3","4","1") = "5"
    & skf21("1","4","1","1","6","3","5","1") = "5"
    & skf21("1","4","1","1","6","3","6","1") = "5"
    & skf21("1","4","1","1","6","3","7","1") = "6"
    & skf21("1","4","1","1","6","4","1","1") = "5"
    & skf21("1","4","1","1","6","4","2","1") = "5"
    & skf21("1","4","1","1","6","4","3","1") = "5"
    & skf21("1","4","1","1","6","4","4","1") = "5"
    & skf21("1","4","1","1","6","4","5","1") = "5"
    & skf21("1","4","1","1","6","4","6","1") = "5"
    & skf21("1","4","1","1","6","4","7","1") = "6"
    & skf21("1","4","1","1","6","5","1","1") = "5"
    & skf21("1","4","1","1","6","5","2","1") = "5"
    & skf21("1","4","1","1","6","5","3","1") = "5"
    & skf21("1","4","1","1","6","5","4","1") = "5"
    & skf21("1","4","1","1","6","5","5","1") = "5"
    & skf21("1","4","1","1","6","5","6","1") = "5"
    & skf21("1","4","1","1","6","5","7","1") = "6"
    & skf21("1","4","1","1","6","6","1","1") = "5"
    & skf21("1","4","1","1","6","6","2","1") = "5"
    & skf21("1","4","1","1","6","6","3","1") = "5"
    & skf21("1","4","1","1","6","6","4","1") = "5"
    & skf21("1","4","1","1","6","6","5","1") = "5"
    & skf21("1","4","1","1","6","6","6","1") = "5"
    & skf21("1","4","1","1","6","6","7","1") = "6"
    & skf21("1","4","1","1","6","7","1","1") = "6"
    & skf21("1","4","1","1","6","7","2","1") = "6"
    & skf21("1","4","1","1","6","7","3","1") = "6"
    & skf21("1","4","1","1","6","7","4","1") = "6"
    & skf21("1","4","1","1","6","7","5","1") = "6"
    & skf21("1","4","1","1","6","7","6","1") = "6"
    & skf21("1","4","1","1","6","7","7","1") = "6"
    & skf21("1","4","1","1","7","1","1","1") = "6"
    & skf21("1","4","1","1","7","1","2","1") = "6"
    & skf21("1","4","1","1","7","1","3","1") = "6"
    & skf21("1","4","1","1","7","1","4","1") = "6"
    & skf21("1","4","1","1","7","1","5","1") = "6"
    & skf21("1","4","1","1","7","1","6","1") = "6"
    & skf21("1","4","1","1","7","1","7","1") = "6"
    & skf21("1","4","1","1","7","2","1","1") = "6"
    & skf21("1","4","1","1","7","2","2","1") = "6"
    & skf21("1","4","1","1","7","2","3","1") = "6"
    & skf21("1","4","1","1","7","2","4","1") = "6"
    & skf21("1","4","1","1","7","2","5","1") = "6"
    & skf21("1","4","1","1","7","2","6","1") = "6"
    & skf21("1","4","1","1","7","2","7","1") = "6"
    & skf21("1","4","1","1","7","3","1","1") = "6"
    & skf21("1","4","1","1","7","3","2","1") = "6"
    & skf21("1","4","1","1","7","3","3","1") = "6"
    & skf21("1","4","1","1","7","3","4","1") = "6"
    & skf21("1","4","1","1","7","3","5","1") = "6"
    & skf21("1","4","1","1","7","3","6","1") = "6"
    & skf21("1","4","1","1","7","3","7","1") = "6"
    & skf21("1","4","1","1","7","4","1","1") = "6"
    & skf21("1","4","1","1","7","4","2","1") = "6"
    & skf21("1","4","1","1","7","4","3","1") = "6"
    & skf21("1","4","1","1","7","4","4","1") = "6"
    & skf21("1","4","1","1","7","4","5","1") = "6"
    & skf21("1","4","1","1","7","4","6","1") = "6"
    & skf21("1","4","1","1","7","4","7","1") = "6"
    & skf21("1","4","1","1","7","5","1","1") = "6"
    & skf21("1","4","1","1","7","5","2","1") = "6"
    & skf21("1","4","1","1","7","5","3","1") = "6"
    & skf21("1","4","1","1","7","5","4","1") = "6"
    & skf21("1","4","1","1","7","5","5","1") = "6"
    & skf21("1","4","1","1","7","5","6","1") = "6"
    & skf21("1","4","1","1","7","5","7","1") = "6"
    & skf21("1","4","1","1","7","6","1","1") = "6"
    & skf21("1","4","1","1","7","6","2","1") = "6"
    & skf21("1","4","1","1","7","6","3","1") = "6"
    & skf21("1","4","1","1","7","6","4","1") = "6"
    & skf21("1","4","1","1","7","6","5","1") = "6"
    & skf21("1","4","1","1","7","6","6","1") = "6"
    & skf21("1","4","1","1","7","6","7","1") = "6"
    & skf21("1","4","1","1","7","7","1","1") = "6"
    & skf21("1","4","1","1","7","7","2","1") = "6"
    & skf21("1","4","1","1","7","7","3","1") = "6"
    & skf21("1","4","1","1","7","7","4","1") = "6"
    & skf21("1","4","1","1","7","7","5","1") = "6"
    & skf21("1","4","1","1","7","7","6","1") = "6"
    & skf21("1","4","1","1","7","7","7","1") = "6"
    & skf21("1","4","1","2","1","1","1","1") = "3"
    & skf21("1","4","1","2","1","1","2","1") = "3"
    & skf21("1","4","1","2","1","1","3","1") = "3"
    & skf21("1","4","1","2","1","1","4","1") = "3"
    & skf21("1","4","1","2","1","1","5","1") = "4"
    & skf21("1","4","1","2","1","1","6","1") = "5"
    & skf21("1","4","1","2","1","1","7","1") = "6"
    & skf21("1","4","1","2","1","2","1","1") = "3"
    & skf21("1","4","1","2","1","2","2","1") = "3"
    & skf21("1","4","1","2","1","2","3","1") = "3"
    & skf21("1","4","1","2","1","2","4","1") = "3"
    & skf21("1","4","1","2","1","2","5","1") = "4"
    & skf21("1","4","1","2","1","2","6","1") = "5"
    & skf21("1","4","1","2","1","2","7","1") = "6"
    & skf21("1","4","1","2","1","3","1","1") = "3"
    & skf21("1","4","1","2","1","3","2","1") = "3"
    & skf21("1","4","1","2","1","3","3","1") = "3"
    & skf21("1","4","1","2","1","3","4","1") = "3"
    & skf21("1","4","1","2","1","3","5","1") = "4"
    & skf21("1","4","1","2","1","3","6","1") = "5"
    & skf21("1","4","1","2","1","3","7","1") = "6"
    & skf21("1","4","1","2","1","4","1","1") = "3"
    & skf21("1","4","1","2","1","4","2","1") = "3"
    & skf21("1","4","1","2","1","4","3","1") = "3"
    & skf21("1","4","1","2","1","4","4","1") = "3"
    & skf21("1","4","1","2","1","4","5","1") = "4"
    & skf21("1","4","1","2","1","4","6","1") = "5"
    & skf21("1","4","1","2","1","4","7","1") = "6"
    & skf21("1","4","1","2","1","5","1","1") = "4"
    & skf21("1","4","1","2","1","5","2","1") = "4"
    & skf21("1","4","1","2","1","5","3","1") = "4"
    & skf21("1","4","1","2","1","5","4","1") = "4"
    & skf21("1","4","1","2","1","5","5","1") = "4"
    & skf21("1","4","1","2","1","5","6","1") = "5"
    & skf21("1","4","1","2","1","5","7","1") = "6"
    & skf21("1","4","1","2","1","6","1","1") = "5"
    & skf21("1","4","1","2","1","6","2","1") = "5"
    & skf21("1","4","1","2","1","6","3","1") = "5"
    & skf21("1","4","1","2","1","6","4","1") = "5"
    & skf21("1","4","1","2","1","6","5","1") = "5"
    & skf21("1","4","1","2","1","6","6","1") = "5"
    & skf21("1","4","1","2","1","6","7","1") = "6"
    & skf21("1","4","1","2","1","7","1","1") = "6"
    & skf21("1","4","1","2","1","7","2","1") = "6"
    & skf21("1","4","1","2","1","7","3","1") = "6"
    & skf21("1","4","1","2","1","7","4","1") = "6"
    & skf21("1","4","1","2","1","7","5","1") = "6"
    & skf21("1","4","1","2","1","7","6","1") = "6"
    & skf21("1","4","1","2","1","7","7","1") = "6"
    & skf21("1","4","1","2","2","1","1","1") = "3"
    & skf21("1","4","1","2","2","1","2","1") = "3"
    & skf21("1","4","1","2","2","1","3","1") = "3"
    & skf21("1","4","1","2","2","1","4","1") = "3"
    & skf21("1","4","1","2","2","1","5","1") = "4"
    & skf21("1","4","1","2","2","1","6","1") = "5"
    & skf21("1","4","1","2","2","1","7","1") = "6"
    & skf21("1","4","1","2","2","2","1","1") = "3"
    & skf21("1","4","1","2","2","2","2","1") = "3"
    & skf21("1","4","1","2","2","2","3","1") = "3"
    & skf21("1","4","1","2","2","2","4","1") = "3"
    & skf21("1","4","1","2","2","2","5","1") = "4"
    & skf21("1","4","1","2","2","2","6","1") = "5"
    & skf21("1","4","1","2","2","2","7","1") = "6"
    & skf21("1","4","1","2","2","3","1","1") = "3"
    & skf21("1","4","1","2","2","3","2","1") = "3"
    & skf21("1","4","1","2","2","3","3","1") = "3"
    & skf21("1","4","1","2","2","3","4","1") = "3"
    & skf21("1","4","1","2","2","3","5","1") = "4"
    & skf21("1","4","1","2","2","3","6","1") = "5"
    & skf21("1","4","1","2","2","3","7","1") = "6"
    & skf21("1","4","1","2","2","4","1","1") = "3"
    & skf21("1","4","1","2","2","4","2","1") = "3"
    & skf21("1","4","1","2","2","4","3","1") = "3"
    & skf21("1","4","1","2","2","4","4","1") = "3"
    & skf21("1","4","1","2","2","4","5","1") = "4"
    & skf21("1","4","1","2","2","4","6","1") = "5"
    & skf21("1","4","1","2","2","4","7","1") = "6"
    & skf21("1","4","1","2","2","5","1","1") = "4"
    & skf21("1","4","1","2","2","5","2","1") = "4"
    & skf21("1","4","1","2","2","5","3","1") = "4"
    & skf21("1","4","1","2","2","5","4","1") = "4"
    & skf21("1","4","1","2","2","5","5","1") = "4"
    & skf21("1","4","1","2","2","5","6","1") = "5"
    & skf21("1","4","1","2","2","5","7","1") = "6"
    & skf21("1","4","1","2","2","6","1","1") = "5"
    & skf21("1","4","1","2","2","6","2","1") = "5"
    & skf21("1","4","1","2","2","6","3","1") = "5"
    & skf21("1","4","1","2","2","6","4","1") = "5"
    & skf21("1","4","1","2","2","6","5","1") = "5"
    & skf21("1","4","1","2","2","6","6","1") = "5"
    & skf21("1","4","1","2","2","6","7","1") = "6"
    & skf21("1","4","1","2","2","7","1","1") = "6"
    & skf21("1","4","1","2","2","7","2","1") = "6"
    & skf21("1","4","1","2","2","7","3","1") = "6"
    & skf21("1","4","1","2","2","7","4","1") = "6"
    & skf21("1","4","1","2","2","7","5","1") = "6"
    & skf21("1","4","1","2","2","7","6","1") = "6"
    & skf21("1","4","1","2","2","7","7","1") = "6"
    & skf21("1","4","1","2","3","1","1","1") = "3"
    & skf21("1","4","1","2","3","1","2","1") = "3"
    & skf21("1","4","1","2","3","1","3","1") = "3"
    & skf21("1","4","1","2","3","1","4","1") = "3"
    & skf21("1","4","1","2","3","1","5","1") = "4"
    & skf21("1","4","1","2","3","1","6","1") = "5"
    & skf21("1","4","1","2","3","1","7","1") = "6"
    & skf21("1","4","1","2","3","2","1","1") = "3"
    & skf21("1","4","1","2","3","2","2","1") = "3"
    & skf21("1","4","1","2","3","2","3","1") = "3"
    & skf21("1","4","1","2","3","2","4","1") = "3"
    & skf21("1","4","1","2","3","2","5","1") = "4"
    & skf21("1","4","1","2","3","2","6","1") = "5"
    & skf21("1","4","1","2","3","2","7","1") = "6"
    & skf21("1","4","1","2","3","3","1","1") = "3"
    & skf21("1","4","1","2","3","3","2","1") = "3"
    & skf21("1","4","1","2","3","3","3","1") = "3"
    & skf21("1","4","1","2","3","3","4","1") = "3"
    & skf21("1","4","1","2","3","3","5","1") = "4"
    & skf21("1","4","1","2","3","3","6","1") = "5"
    & skf21("1","4","1","2","3","3","7","1") = "6"
    & skf21("1","4","1","2","3","4","1","1") = "3"
    & skf21("1","4","1","2","3","4","2","1") = "3"
    & skf21("1","4","1","2","3","4","3","1") = "3"
    & skf21("1","4","1","2","3","4","4","1") = "3"
    & skf21("1","4","1","2","3","4","5","1") = "4"
    & skf21("1","4","1","2","3","4","6","1") = "5"
    & skf21("1","4","1","2","3","4","7","1") = "6"
    & skf21("1","4","1","2","3","5","1","1") = "4"
    & skf21("1","4","1","2","3","5","2","1") = "4"
    & skf21("1","4","1","2","3","5","3","1") = "4"
    & skf21("1","4","1","2","3","5","4","1") = "4"
    & skf21("1","4","1","2","3","5","5","1") = "4"
    & skf21("1","4","1","2","3","5","6","1") = "5"
    & skf21("1","4","1","2","3","5","7","1") = "6"
    & skf21("1","4","1","2","3","6","1","1") = "5"
    & skf21("1","4","1","2","3","6","2","1") = "5"
    & skf21("1","4","1","2","3","6","3","1") = "5"
    & skf21("1","4","1","2","3","6","4","1") = "5"
    & skf21("1","4","1","2","3","6","5","1") = "5"
    & skf21("1","4","1","2","3","6","6","1") = "5"
    & skf21("1","4","1","2","3","6","7","1") = "6"
    & skf21("1","4","1","2","3","7","1","1") = "6"
    & skf21("1","4","1","2","3","7","2","1") = "6"
    & skf21("1","4","1","2","3","7","3","1") = "6"
    & skf21("1","4","1","2","3","7","4","1") = "6"
    & skf21("1","4","1","2","3","7","5","1") = "6"
    & skf21("1","4","1","2","3","7","6","1") = "6"
    & skf21("1","4","1","2","3","7","7","1") = "6"
    & skf21("1","4","1","2","4","1","1","1") = "3"
    & skf21("1","4","1","2","4","1","2","1") = "3"
    & skf21("1","4","1","2","4","1","3","1") = "3"
    & skf21("1","4","1","2","4","1","4","1") = "3"
    & skf21("1","4","1","2","4","1","5","1") = "4"
    & skf21("1","4","1","2","4","1","6","1") = "5"
    & skf21("1","4","1","2","4","1","7","1") = "6"
    & skf21("1","4","1","2","4","2","1","1") = "3"
    & skf21("1","4","1","2","4","2","2","1") = "3"
    & skf21("1","4","1","2","4","2","3","1") = "3"
    & skf21("1","4","1","2","4","2","4","1") = "3"
    & skf21("1","4","1","2","4","2","5","1") = "4"
    & skf21("1","4","1","2","4","2","6","1") = "5"
    & skf21("1","4","1","2","4","2","7","1") = "6"
    & skf21("1","4","1","2","4","3","1","1") = "3"
    & skf21("1","4","1","2","4","3","2","1") = "3"
    & skf21("1","4","1","2","4","3","3","1") = "3"
    & skf21("1","4","1","2","4","3","4","1") = "3"
    & skf21("1","4","1","2","4","3","5","1") = "4"
    & skf21("1","4","1","2","4","3","6","1") = "5"
    & skf21("1","4","1","2","4","3","7","1") = "6"
    & skf21("1","4","1","2","4","4","1","1") = "3"
    & skf21("1","4","1","2","4","4","2","1") = "3"
    & skf21("1","4","1","2","4","4","3","1") = "3"
    & skf21("1","4","1","2","4","4","4","1") = "3"
    & skf21("1","4","1","2","4","4","5","1") = "4"
    & skf21("1","4","1","2","4","4","6","1") = "5"
    & skf21("1","4","1","2","4","4","7","1") = "6"
    & skf21("1","4","1","2","4","5","1","1") = "4"
    & skf21("1","4","1","2","4","5","2","1") = "4"
    & skf21("1","4","1","2","4","5","3","1") = "4"
    & skf21("1","4","1","2","4","5","4","1") = "4"
    & skf21("1","4","1","2","4","5","5","1") = "4"
    & skf21("1","4","1","2","4","5","6","1") = "5"
    & skf21("1","4","1","2","4","5","7","1") = "6"
    & skf21("1","4","1","2","4","6","1","1") = "5"
    & skf21("1","4","1","2","4","6","2","1") = "5"
    & skf21("1","4","1","2","4","6","3","1") = "5"
    & skf21("1","4","1","2","4","6","4","1") = "5"
    & skf21("1","4","1","2","4","6","5","1") = "5"
    & skf21("1","4","1","2","4","6","6","1") = "5"
    & skf21("1","4","1","2","4","6","7","1") = "6"
    & skf21("1","4","1","2","4","7","1","1") = "6"
    & skf21("1","4","1","2","4","7","2","1") = "6"
    & skf21("1","4","1","2","4","7","3","1") = "6"
    & skf21("1","4","1","2","4","7","4","1") = "6"
    & skf21("1","4","1","2","4","7","5","1") = "6"
    & skf21("1","4","1","2","4","7","6","1") = "6"
    & skf21("1","4","1","2","4","7","7","1") = "6"
    & skf21("1","4","1","2","5","1","1","1") = "4"
    & skf21("1","4","1","2","5","1","2","1") = "4"
    & skf21("1","4","1","2","5","1","3","1") = "4"
    & skf21("1","4","1","2","5","1","4","1") = "4"
    & skf21("1","4","1","2","5","1","5","1") = "4"
    & skf21("1","4","1","2","5","1","6","1") = "5"
    & skf21("1","4","1","2","5","1","7","1") = "6"
    & skf21("1","4","1","2","5","2","1","1") = "4"
    & skf21("1","4","1","2","5","2","2","1") = "4"
    & skf21("1","4","1","2","5","2","3","1") = "4"
    & skf21("1","4","1","2","5","2","4","1") = "4"
    & skf21("1","4","1","2","5","2","5","1") = "4"
    & skf21("1","4","1","2","5","2","6","1") = "5"
    & skf21("1","4","1","2","5","2","7","1") = "6"
    & skf21("1","4","1","2","5","3","1","1") = "4"
    & skf21("1","4","1","2","5","3","2","1") = "4"
    & skf21("1","4","1","2","5","3","3","1") = "4"
    & skf21("1","4","1","2","5","3","4","1") = "4"
    & skf21("1","4","1","2","5","3","5","1") = "4"
    & skf21("1","4","1","2","5","3","6","1") = "5"
    & skf21("1","4","1","2","5","3","7","1") = "6"
    & skf21("1","4","1","2","5","4","1","1") = "4"
    & skf21("1","4","1","2","5","4","2","1") = "4"
    & skf21("1","4","1","2","5","4","3","1") = "4"
    & skf21("1","4","1","2","5","4","4","1") = "4"
    & skf21("1","4","1","2","5","4","5","1") = "4"
    & skf21("1","4","1","2","5","4","6","1") = "5"
    & skf21("1","4","1","2","5","4","7","1") = "6"
    & skf21("1","4","1","2","5","5","1","1") = "4"
    & skf21("1","4","1","2","5","5","2","1") = "4"
    & skf21("1","4","1","2","5","5","3","1") = "4"
    & skf21("1","4","1","2","5","5","4","1") = "4"
    & skf21("1","4","1","2","5","5","5","1") = "4"
    & skf21("1","4","1","2","5","5","6","1") = "5"
    & skf21("1","4","1","2","5","5","7","1") = "6"
    & skf21("1","4","1","2","5","6","1","1") = "5"
    & skf21("1","4","1","2","5","6","2","1") = "5"
    & skf21("1","4","1","2","5","6","3","1") = "5"
    & skf21("1","4","1","2","5","6","4","1") = "5"
    & skf21("1","4","1","2","5","6","5","1") = "5"
    & skf21("1","4","1","2","5","6","6","1") = "5"
    & skf21("1","4","1","2","5","6","7","1") = "6"
    & skf21("1","4","1","2","5","7","1","1") = "6"
    & skf21("1","4","1","2","5","7","2","1") = "6"
    & skf21("1","4","1","2","5","7","3","1") = "6"
    & skf21("1","4","1","2","5","7","4","1") = "6"
    & skf21("1","4","1","2","5","7","5","1") = "6"
    & skf21("1","4","1","2","5","7","6","1") = "6"
    & skf21("1","4","1","2","5","7","7","1") = "6"
    & skf21("1","4","1","2","6","1","1","1") = "5"
    & skf21("1","4","1","2","6","1","2","1") = "5"
    & skf21("1","4","1","2","6","1","3","1") = "5"
    & skf21("1","4","1","2","6","1","4","1") = "5"
    & skf21("1","4","1","2","6","1","5","1") = "5"
    & skf21("1","4","1","2","6","1","6","1") = "5"
    & skf21("1","4","1","2","6","1","7","1") = "6"
    & skf21("1","4","1","2","6","2","1","1") = "5"
    & skf21("1","4","1","2","6","2","2","1") = "5"
    & skf21("1","4","1","2","6","2","3","1") = "5"
    & skf21("1","4","1","2","6","2","4","1") = "5"
    & skf21("1","4","1","2","6","2","5","1") = "5"
    & skf21("1","4","1","2","6","2","6","1") = "5"
    & skf21("1","4","1","2","6","2","7","1") = "6"
    & skf21("1","4","1","2","6","3","1","1") = "5"
    & skf21("1","4","1","2","6","3","2","1") = "5"
    & skf21("1","4","1","2","6","3","3","1") = "5"
    & skf21("1","4","1","2","6","3","4","1") = "5"
    & skf21("1","4","1","2","6","3","5","1") = "5"
    & skf21("1","4","1","2","6","3","6","1") = "5"
    & skf21("1","4","1","2","6","3","7","1") = "6"
    & skf21("1","4","1","2","6","4","1","1") = "5"
    & skf21("1","4","1","2","6","4","2","1") = "5"
    & skf21("1","4","1","2","6","4","3","1") = "5"
    & skf21("1","4","1","2","6","4","4","1") = "5"
    & skf21("1","4","1","2","6","4","5","1") = "5"
    & skf21("1","4","1","2","6","4","6","1") = "5"
    & skf21("1","4","1","2","6","4","7","1") = "6"
    & skf21("1","4","1","2","6","5","1","1") = "5"
    & skf21("1","4","1","2","6","5","2","1") = "5"
    & skf21("1","4","1","2","6","5","3","1") = "5"
    & skf21("1","4","1","2","6","5","4","1") = "5"
    & skf21("1","4","1","2","6","5","5","1") = "5"
    & skf21("1","4","1","2","6","5","6","1") = "5"
    & skf21("1","4","1","2","6","5","7","1") = "6"
    & skf21("1","4","1","2","6","6","1","1") = "5"
    & skf21("1","4","1","2","6","6","2","1") = "5"
    & skf21("1","4","1","2","6","6","3","1") = "5"
    & skf21("1","4","1","2","6","6","4","1") = "5"
    & skf21("1","4","1","2","6","6","5","1") = "5"
    & skf21("1","4","1","2","6","6","6","1") = "5"
    & skf21("1","4","1","2","6","6","7","1") = "6"
    & skf21("1","4","1","2","6","7","1","1") = "6"
    & skf21("1","4","1","2","6","7","2","1") = "6"
    & skf21("1","4","1","2","6","7","3","1") = "6"
    & skf21("1","4","1","2","6","7","4","1") = "6"
    & skf21("1","4","1","2","6","7","5","1") = "6"
    & skf21("1","4","1","2","6","7","6","1") = "6"
    & skf21("1","4","1","2","6","7","7","1") = "6"
    & skf21("1","4","1","2","7","1","1","1") = "6"
    & skf21("1","4","1","2","7","1","2","1") = "6"
    & skf21("1","4","1","2","7","1","3","1") = "6"
    & skf21("1","4","1","2","7","1","4","1") = "6"
    & skf21("1","4","1","2","7","1","5","1") = "6"
    & skf21("1","4","1","2","7","1","6","1") = "6"
    & skf21("1","4","1","2","7","1","7","1") = "6"
    & skf21("1","4","1","2","7","2","1","1") = "6"
    & skf21("1","4","1","2","7","2","2","1") = "6"
    & skf21("1","4","1","2","7","2","3","1") = "6"
    & skf21("1","4","1","2","7","2","4","1") = "6"
    & skf21("1","4","1","2","7","2","5","1") = "6"
    & skf21("1","4","1","2","7","2","6","1") = "6"
    & skf21("1","4","1","2","7","2","7","1") = "6"
    & skf21("1","4","1","2","7","3","1","1") = "6"
    & skf21("1","4","1","2","7","3","2","1") = "6"
    & skf21("1","4","1","2","7","3","3","1") = "6"
    & skf21("1","4","1","2","7","3","4","1") = "6"
    & skf21("1","4","1","2","7","3","5","1") = "6"
    & skf21("1","4","1","2","7","3","6","1") = "6"
    & skf21("1","4","1","2","7","3","7","1") = "6"
    & skf21("1","4","1","2","7","4","1","1") = "6"
    & skf21("1","4","1","2","7","4","2","1") = "6"
    & skf21("1","4","1","2","7","4","3","1") = "6"
    & skf21("1","4","1","2","7","4","4","1") = "6"
    & skf21("1","4","1","2","7","4","5","1") = "6"
    & skf21("1","4","1","2","7","4","6","1") = "6"
    & skf21("1","4","1","2","7","4","7","1") = "6"
    & skf21("1","4","1","2","7","5","1","1") = "6"
    & skf21("1","4","1","2","7","5","2","1") = "6"
    & skf21("1","4","1","2","7","5","3","1") = "6"
    & skf21("1","4","1","2","7","5","4","1") = "6"
    & skf21("1","4","1","2","7","5","5","1") = "6"
    & skf21("1","4","1","2","7","5","6","1") = "6"
    & skf21("1","4","1","2","7","5","7","1") = "6"
    & skf21("1","4","1","2","7","6","1","1") = "6"
    & skf21("1","4","1","2","7","6","2","1") = "6"
    & skf21("1","4","1","2","7","6","3","1") = "6"
    & skf21("1","4","1","2","7","6","4","1") = "6"
    & skf21("1","4","1","2","7","6","5","1") = "6"
    & skf21("1","4","1","2","7","6","6","1") = "6"
    & skf21("1","4","1","2","7","6","7","1") = "6"
    & skf21("1","4","1","2","7","7","1","1") = "6"
    & skf21("1","4","1","2","7","7","2","1") = "6"
    & skf21("1","4","1","2","7","7","3","1") = "6"
    & skf21("1","4","1","2","7","7","4","1") = "6"
    & skf21("1","4","1","2","7","7","5","1") = "6"
    & skf21("1","4","1","2","7","7","6","1") = "6"
    & skf21("1","4","1","2","7","7","7","1") = "6"
    & skf21("1","4","1","3","1","1","1","1") = "3"
    & skf21("1","4","1","3","1","1","2","1") = "3"
    & skf21("1","4","1","3","1","1","3","1") = "3"
    & skf21("1","4","1","3","1","1","4","1") = "3"
    & skf21("1","4","1","3","1","1","5","1") = "4"
    & skf21("1","4","1","3","1","1","6","1") = "5"
    & skf21("1","4","1","3","1","1","7","1") = "6"
    & skf21("1","4","1","3","1","2","1","1") = "3"
    & skf21("1","4","1","3","1","2","2","1") = "3"
    & skf21("1","4","1","3","1","2","3","1") = "3"
    & skf21("1","4","1","3","1","2","4","1") = "3"
    & skf21("1","4","1","3","1","2","5","1") = "4"
    & skf21("1","4","1","3","1","2","6","1") = "5"
    & skf21("1","4","1","3","1","2","7","1") = "6"
    & skf21("1","4","1","3","1","3","1","1") = "3"
    & skf21("1","4","1","3","1","3","2","1") = "3"
    & skf21("1","4","1","3","1","3","3","1") = "3"
    & skf21("1","4","1","3","1","3","4","1") = "3"
    & skf21("1","4","1","3","1","3","5","1") = "4"
    & skf21("1","4","1","3","1","3","6","1") = "5"
    & skf21("1","4","1","3","1","3","7","1") = "6"
    & skf21("1","4","1","3","1","4","1","1") = "3"
    & skf21("1","4","1","3","1","4","2","1") = "3"
    & skf21("1","4","1","3","1","4","3","1") = "3"
    & skf21("1","4","1","3","1","4","4","1") = "3"
    & skf21("1","4","1","3","1","4","5","1") = "4"
    & skf21("1","4","1","3","1","4","6","1") = "5"
    & skf21("1","4","1","3","1","4","7","1") = "6"
    & skf21("1","4","1","3","1","5","1","1") = "4"
    & skf21("1","4","1","3","1","5","2","1") = "4"
    & skf21("1","4","1","3","1","5","3","1") = "4"
    & skf21("1","4","1","3","1","5","4","1") = "4"
    & skf21("1","4","1","3","1","5","5","1") = "4"
    & skf21("1","4","1","3","1","5","6","1") = "5"
    & skf21("1","4","1","3","1","5","7","1") = "6"
    & skf21("1","4","1","3","1","6","1","1") = "5"
    & skf21("1","4","1","3","1","6","2","1") = "5"
    & skf21("1","4","1","3","1","6","3","1") = "5"
    & skf21("1","4","1","3","1","6","4","1") = "5"
    & skf21("1","4","1","3","1","6","5","1") = "5"
    & skf21("1","4","1","3","1","6","6","1") = "5"
    & skf21("1","4","1","3","1","6","7","1") = "6"
    & skf21("1","4","1","3","1","7","1","1") = "6"
    & skf21("1","4","1","3","1","7","2","1") = "6"
    & skf21("1","4","1","3","1","7","3","1") = "6"
    & skf21("1","4","1","3","1","7","4","1") = "6"
    & skf21("1","4","1","3","1","7","5","1") = "6"
    & skf21("1","4","1","3","1","7","6","1") = "6"
    & skf21("1","4","1","3","1","7","7","1") = "6"
    & skf21("1","4","1","3","2","1","1","1") = "3"
    & skf21("1","4","1","3","2","1","2","1") = "3"
    & skf21("1","4","1","3","2","1","3","1") = "3"
    & skf21("1","4","1","3","2","1","4","1") = "3"
    & skf21("1","4","1","3","2","1","5","1") = "4"
    & skf21("1","4","1","3","2","1","6","1") = "5"
    & skf21("1","4","1","3","2","1","7","1") = "6"
    & skf21("1","4","1","3","2","2","1","1") = "3"
    & skf21("1","4","1","3","2","2","2","1") = "3"
    & skf21("1","4","1","3","2","2","3","1") = "3"
    & skf21("1","4","1","3","2","2","4","1") = "3"
    & skf21("1","4","1","3","2","2","5","1") = "4"
    & skf21("1","4","1","3","2","2","6","1") = "5"
    & skf21("1","4","1","3","2","2","7","1") = "6"
    & skf21("1","4","1","3","2","3","1","1") = "3"
    & skf21("1","4","1","3","2","3","2","1") = "3"
    & skf21("1","4","1","3","2","3","3","1") = "3"
    & skf21("1","4","1","3","2","3","4","1") = "3"
    & skf21("1","4","1","3","2","3","5","1") = "4"
    & skf21("1","4","1","3","2","3","6","1") = "5"
    & skf21("1","4","1","3","2","3","7","1") = "6"
    & skf21("1","4","1","3","2","4","1","1") = "3"
    & skf21("1","4","1","3","2","4","2","1") = "3"
    & skf21("1","4","1","3","2","4","3","1") = "3"
    & skf21("1","4","1","3","2","4","4","1") = "3"
    & skf21("1","4","1","3","2","4","5","1") = "4"
    & skf21("1","4","1","3","2","4","6","1") = "5"
    & skf21("1","4","1","3","2","4","7","1") = "6"
    & skf21("1","4","1","3","2","5","1","1") = "4"
    & skf21("1","4","1","3","2","5","2","1") = "4"
    & skf21("1","4","1","3","2","5","3","1") = "4"
    & skf21("1","4","1","3","2","5","4","1") = "4"
    & skf21("1","4","1","3","2","5","5","1") = "4"
    & skf21("1","4","1","3","2","5","6","1") = "5"
    & skf21("1","4","1","3","2","5","7","1") = "6"
    & skf21("1","4","1","3","2","6","1","1") = "5"
    & skf21("1","4","1","3","2","6","2","1") = "5"
    & skf21("1","4","1","3","2","6","3","1") = "5"
    & skf21("1","4","1","3","2","6","4","1") = "5"
    & skf21("1","4","1","3","2","6","5","1") = "5"
    & skf21("1","4","1","3","2","6","6","1") = "5"
    & skf21("1","4","1","3","2","6","7","1") = "6"
    & skf21("1","4","1","3","2","7","1","1") = "6"
    & skf21("1","4","1","3","2","7","2","1") = "6"
    & skf21("1","4","1","3","2","7","3","1") = "6"
    & skf21("1","4","1","3","2","7","4","1") = "6"
    & skf21("1","4","1","3","2","7","5","1") = "6"
    & skf21("1","4","1","3","2","7","6","1") = "6"
    & skf21("1","4","1","3","2","7","7","1") = "6"
    & skf21("1","4","1","3","3","1","1","1") = "3"
    & skf21("1","4","1","3","3","1","2","1") = "3"
    & skf21("1","4","1","3","3","1","3","1") = "2"
    & skf21("1","4","1","3","3","1","4","1") = "3"
    & skf21("1","4","1","3","3","1","5","1") = "4"
    & skf21("1","4","1","3","3","1","6","1") = "5"
    & skf21("1","4","1","3","3","1","7","1") = "6"
    & skf21("1","4","1","3","3","2","1","1") = "3"
    & skf21("1","4","1","3","3","2","2","1") = "3"
    & skf21("1","4","1","3","3","2","3","1") = "3"
    & skf21("1","4","1","3","3","2","4","1") = "3"
    & skf21("1","4","1","3","3","2","5","1") = "4"
    & skf21("1","4","1","3","3","2","6","1") = "5"
    & skf21("1","4","1","3","3","2","7","1") = "6"
    & skf21("1","4","1","3","3","3","1","1") = "3"
    & skf21("1","4","1","3","3","3","2","1") = "3"
    & skf21("1","4","1","3","3","3","3","1") = "3"
    & skf21("1","4","1","3","3","3","4","1") = "3"
    & skf21("1","4","1","3","3","3","5","1") = "4"
    & skf21("1","4","1","3","3","3","6","1") = "5"
    & skf21("1","4","1","3","3","3","7","1") = "6"
    & skf21("1","4","1","3","3","4","1","1") = "3"
    & skf21("1","4","1","3","3","4","2","1") = "3"
    & skf21("1","4","1","3","3","4","3","1") = "3"
    & skf21("1","4","1","3","3","4","4","1") = "3"
    & skf21("1","4","1","3","3","4","5","1") = "4"
    & skf21("1","4","1","3","3","4","6","1") = "5"
    & skf21("1","4","1","3","3","4","7","1") = "6"
    & skf21("1","4","1","3","3","5","1","1") = "4"
    & skf21("1","4","1","3","3","5","2","1") = "4"
    & skf21("1","4","1","3","3","5","3","1") = "4"
    & skf21("1","4","1","3","3","5","4","1") = "4"
    & skf21("1","4","1","3","3","5","5","1") = "4"
    & skf21("1","4","1","3","3","5","6","1") = "5"
    & skf21("1","4","1","3","3","5","7","1") = "6"
    & skf21("1","4","1","3","3","6","1","1") = "5"
    & skf21("1","4","1","3","3","6","2","1") = "5"
    & skf21("1","4","1","3","3","6","3","1") = "5"
    & skf21("1","4","1","3","3","6","4","1") = "5"
    & skf21("1","4","1","3","3","6","5","1") = "5"
    & skf21("1","4","1","3","3","6","6","1") = "5"
    & skf21("1","4","1","3","3","6","7","1") = "6"
    & skf21("1","4","1","3","3","7","1","1") = "6"
    & skf21("1","4","1","3","3","7","2","1") = "6"
    & skf21("1","4","1","3","3","7","3","1") = "6"
    & skf21("1","4","1","3","3","7","4","1") = "6"
    & skf21("1","4","1","3","3","7","5","1") = "6"
    & skf21("1","4","1","3","3","7","6","1") = "6"
    & skf21("1","4","1","3","3","7","7","1") = "6"
    & skf21("1","4","1","3","4","1","1","1") = "3"
    & skf21("1","4","1","3","4","1","2","1") = "3"
    & skf21("1","4","1","3","4","1","3","1") = "3"
    & skf21("1","4","1","3","4","1","4","1") = "3"
    & skf21("1","4","1","3","4","1","5","1") = "4"
    & skf21("1","4","1","3","4","1","6","1") = "5"
    & skf21("1","4","1","3","4","1","7","1") = "6"
    & skf21("1","4","1","3","4","2","1","1") = "3"
    & skf21("1","4","1","3","4","2","2","1") = "3"
    & skf21("1","4","1","3","4","2","3","1") = "3"
    & skf21("1","4","1","3","4","2","4","1") = "3"
    & skf21("1","4","1","3","4","2","5","1") = "4"
    & skf21("1","4","1","3","4","2","6","1") = "5"
    & skf21("1","4","1","3","4","2","7","1") = "6"
    & skf21("1","4","1","3","4","3","1","1") = "3"
    & skf21("1","4","1","3","4","3","2","1") = "3"
    & skf21("1","4","1","3","4","3","3","1") = "3"
    & skf21("1","4","1","3","4","3","4","1") = "3"
    & skf21("1","4","1","3","4","3","5","1") = "4"
    & skf21("1","4","1","3","4","3","6","1") = "5"
    & skf21("1","4","1","3","4","3","7","1") = "6"
    & skf21("1","4","1","3","4","4","1","1") = "3"
    & skf21("1","4","1","3","4","4","2","1") = "3"
    & skf21("1","4","1","3","4","4","3","1") = "3"
    & skf21("1","4","1","3","4","4","4","1") = "3"
    & skf21("1","4","1","3","4","4","5","1") = "4"
    & skf21("1","4","1","3","4","4","6","1") = "5"
    & skf21("1","4","1","3","4","4","7","1") = "6"
    & skf21("1","4","1","3","4","5","1","1") = "4"
    & skf21("1","4","1","3","4","5","2","1") = "4"
    & skf21("1","4","1","3","4","5","3","1") = "4"
    & skf21("1","4","1","3","4","5","4","1") = "4"
    & skf21("1","4","1","3","4","5","5","1") = "4"
    & skf21("1","4","1","3","4","5","6","1") = "5"
    & skf21("1","4","1","3","4","5","7","1") = "6"
    & skf21("1","4","1","3","4","6","1","1") = "5"
    & skf21("1","4","1","3","4","6","2","1") = "5"
    & skf21("1","4","1","3","4","6","3","1") = "5"
    & skf21("1","4","1","3","4","6","4","1") = "5"
    & skf21("1","4","1","3","4","6","5","1") = "5"
    & skf21("1","4","1","3","4","6","6","1") = "5"
    & skf21("1","4","1","3","4","6","7","1") = "6"
    & skf21("1","4","1","3","4","7","1","1") = "6"
    & skf21("1","4","1","3","4","7","2","1") = "6"
    & skf21("1","4","1","3","4","7","3","1") = "6"
    & skf21("1","4","1","3","4","7","4","1") = "6"
    & skf21("1","4","1","3","4","7","5","1") = "6"
    & skf21("1","4","1","3","4","7","6","1") = "6"
    & skf21("1","4","1","3","4","7","7","1") = "6"
    & skf21("1","4","1","3","5","1","1","1") = "4"
    & skf21("1","4","1","3","5","1","2","1") = "4"
    & skf21("1","4","1","3","5","1","3","1") = "4"
    & skf21("1","4","1","3","5","1","4","1") = "4"
    & skf21("1","4","1","3","5","1","5","1") = "4"
    & skf21("1","4","1","3","5","1","6","1") = "5"
    & skf21("1","4","1","3","5","1","7","1") = "6"
    & skf21("1","4","1","3","5","2","1","1") = "4"
    & skf21("1","4","1","3","5","2","2","1") = "4"
    & skf21("1","4","1","3","5","2","3","1") = "4"
    & skf21("1","4","1","3","5","2","4","1") = "4"
    & skf21("1","4","1","3","5","2","5","1") = "4"
    & skf21("1","4","1","3","5","2","6","1") = "5"
    & skf21("1","4","1","3","5","2","7","1") = "6"
    & skf21("1","4","1","3","5","3","1","1") = "4"
    & skf21("1","4","1","3","5","3","2","1") = "4"
    & skf21("1","4","1","3","5","3","3","1") = "4"
    & skf21("1","4","1","3","5","3","4","1") = "4"
    & skf21("1","4","1","3","5","3","5","1") = "4"
    & skf21("1","4","1","3","5","3","6","1") = "5"
    & skf21("1","4","1","3","5","3","7","1") = "6"
    & skf21("1","4","1","3","5","4","1","1") = "4"
    & skf21("1","4","1","3","5","4","2","1") = "4"
    & skf21("1","4","1","3","5","4","3","1") = "4"
    & skf21("1","4","1","3","5","4","4","1") = "4"
    & skf21("1","4","1","3","5","4","5","1") = "4"
    & skf21("1","4","1","3","5","4","6","1") = "5"
    & skf21("1","4","1","3","5","4","7","1") = "6"
    & skf21("1","4","1","3","5","5","1","1") = "4"
    & skf21("1","4","1","3","5","5","2","1") = "4"
    & skf21("1","4","1","3","5","5","3","1") = "4"
    & skf21("1","4","1","3","5","5","4","1") = "4"
    & skf21("1","4","1","3","5","5","5","1") = "4"
    & skf21("1","4","1","3","5","5","6","1") = "5"
    & skf21("1","4","1","3","5","5","7","1") = "6"
    & skf21("1","4","1","3","5","6","1","1") = "5"
    & skf21("1","4","1","3","5","6","2","1") = "5"
    & skf21("1","4","1","3","5","6","3","1") = "5"
    & skf21("1","4","1","3","5","6","4","1") = "5"
    & skf21("1","4","1","3","5","6","5","1") = "5"
    & skf21("1","4","1","3","5","6","6","1") = "5"
    & skf21("1","4","1","3","5","6","7","1") = "6"
    & skf21("1","4","1","3","5","7","1","1") = "6"
    & skf21("1","4","1","3","5","7","2","1") = "6"
    & skf21("1","4","1","3","5","7","3","1") = "6"
    & skf21("1","4","1","3","5","7","4","1") = "6"
    & skf21("1","4","1","3","5","7","5","1") = "6"
    & skf21("1","4","1","3","5","7","6","1") = "6"
    & skf21("1","4","1","3","5","7","7","1") = "6"
    & skf21("1","4","1","3","6","1","1","1") = "5"
    & skf21("1","4","1","3","6","1","2","1") = "5"
    & skf21("1","4","1","3","6","1","3","1") = "5"
    & skf21("1","4","1","3","6","1","4","1") = "5"
    & skf21("1","4","1","3","6","1","5","1") = "5"
    & skf21("1","4","1","3","6","1","6","1") = "5"
    & skf21("1","4","1","3","6","1","7","1") = "6"
    & skf21("1","4","1","3","6","2","1","1") = "5"
    & skf21("1","4","1","3","6","2","2","1") = "5"
    & skf21("1","4","1","3","6","2","3","1") = "5"
    & skf21("1","4","1","3","6","2","4","1") = "5"
    & skf21("1","4","1","3","6","2","5","1") = "5"
    & skf21("1","4","1","3","6","2","6","1") = "5"
    & skf21("1","4","1","3","6","2","7","1") = "6"
    & skf21("1","4","1","3","6","3","1","1") = "5"
    & skf21("1","4","1","3","6","3","2","1") = "5"
    & skf21("1","4","1","3","6","3","3","1") = "5"
    & skf21("1","4","1","3","6","3","4","1") = "5"
    & skf21("1","4","1","3","6","3","5","1") = "5"
    & skf21("1","4","1","3","6","3","6","1") = "5"
    & skf21("1","4","1","3","6","3","7","1") = "6"
    & skf21("1","4","1","3","6","4","1","1") = "5"
    & skf21("1","4","1","3","6","4","2","1") = "5"
    & skf21("1","4","1","3","6","4","3","1") = "5"
    & skf21("1","4","1","3","6","4","4","1") = "5"
    & skf21("1","4","1","3","6","4","5","1") = "5"
    & skf21("1","4","1","3","6","4","6","1") = "5"
    & skf21("1","4","1","3","6","4","7","1") = "6"
    & skf21("1","4","1","3","6","5","1","1") = "5"
    & skf21("1","4","1","3","6","5","2","1") = "5"
    & skf21("1","4","1","3","6","5","3","1") = "5"
    & skf21("1","4","1","3","6","5","4","1") = "5"
    & skf21("1","4","1","3","6","5","5","1") = "5"
    & skf21("1","4","1","3","6","5","6","1") = "5"
    & skf21("1","4","1","3","6","5","7","1") = "6"
    & skf21("1","4","1","3","6","6","1","1") = "5"
    & skf21("1","4","1","3","6","6","2","1") = "5"
    & skf21("1","4","1","3","6","6","3","1") = "5"
    & skf21("1","4","1","3","6","6","4","1") = "5"
    & skf21("1","4","1","3","6","6","5","1") = "5"
    & skf21("1","4","1","3","6","6","6","1") = "5"
    & skf21("1","4","1","3","6","6","7","1") = "6"
    & skf21("1","4","1","3","6","7","1","1") = "6"
    & skf21("1","4","1","3","6","7","2","1") = "6"
    & skf21("1","4","1","3","6","7","3","1") = "6"
    & skf21("1","4","1","3","6","7","4","1") = "6"
    & skf21("1","4","1","3","6","7","5","1") = "6"
    & skf21("1","4","1","3","6","7","6","1") = "6"
    & skf21("1","4","1","3","6","7","7","1") = "6"
    & skf21("1","4","1","3","7","1","1","1") = "6"
    & skf21("1","4","1","3","7","1","2","1") = "6"
    & skf21("1","4","1","3","7","1","3","1") = "6"
    & skf21("1","4","1","3","7","1","4","1") = "6"
    & skf21("1","4","1","3","7","1","5","1") = "6"
    & skf21("1","4","1","3","7","1","6","1") = "6"
    & skf21("1","4","1","3","7","1","7","1") = "6"
    & skf21("1","4","1","3","7","2","1","1") = "6"
    & skf21("1","4","1","3","7","2","2","1") = "6"
    & skf21("1","4","1","3","7","2","3","1") = "6"
    & skf21("1","4","1","3","7","2","4","1") = "6"
    & skf21("1","4","1","3","7","2","5","1") = "6"
    & skf21("1","4","1","3","7","2","6","1") = "6"
    & skf21("1","4","1","3","7","2","7","1") = "6"
    & skf21("1","4","1","3","7","3","1","1") = "6"
    & skf21("1","4","1","3","7","3","2","1") = "6"
    & skf21("1","4","1","3","7","3","3","1") = "6"
    & skf21("1","4","1","3","7","3","4","1") = "6"
    & skf21("1","4","1","3","7","3","5","1") = "6"
    & skf21("1","4","1","3","7","3","6","1") = "6"
    & skf21("1","4","1","3","7","3","7","1") = "6"
    & skf21("1","4","1","3","7","4","1","1") = "6"
    & skf21("1","4","1","3","7","4","2","1") = "6"
    & skf21("1","4","1","3","7","4","3","1") = "6"
    & skf21("1","4","1","3","7","4","4","1") = "6"
    & skf21("1","4","1","3","7","4","5","1") = "6"
    & skf21("1","4","1","3","7","4","6","1") = "6"
    & skf21("1","4","1","3","7","4","7","1") = "6"
    & skf21("1","4","1","3","7","5","1","1") = "6"
    & skf21("1","4","1","3","7","5","2","1") = "6"
    & skf21("1","4","1","3","7","5","3","1") = "6"
    & skf21("1","4","1","3","7","5","4","1") = "6"
    & skf21("1","4","1","3","7","5","5","1") = "6"
    & skf21("1","4","1","3","7","5","6","1") = "6"
    & skf21("1","4","1","3","7","5","7","1") = "6"
    & skf21("1","4","1","3","7","6","1","1") = "6"
    & skf21("1","4","1","3","7","6","2","1") = "6"
    & skf21("1","4","1","3","7","6","3","1") = "6"
    & skf21("1","4","1","3","7","6","4","1") = "6"
    & skf21("1","4","1","3","7","6","5","1") = "6"
    & skf21("1","4","1","3","7","6","6","1") = "6"
    & skf21("1","4","1","3","7","6","7","1") = "6"
    & skf21("1","4","1","3","7","7","1","1") = "6"
    & skf21("1","4","1","3","7","7","2","1") = "6"
    & skf21("1","4","1","3","7","7","3","1") = "6"
    & skf21("1","4","1","3","7","7","4","1") = "6"
    & skf21("1","4","1","3","7","7","5","1") = "6"
    & skf21("1","4","1","3","7","7","6","1") = "6"
    & skf21("1","4","1","3","7","7","7","1") = "6"
    & skf21("1","4","1","4","1","1","1","1") = "3"
    & skf21("1","4","1","4","1","1","2","1") = "3"
    & skf21("1","4","1","4","1","1","3","1") = "3"
    & skf21("1","4","1","4","1","1","4","1") = "3"
    & skf21("1","4","1","4","1","1","5","1") = "4"
    & skf21("1","4","1","4","1","1","6","1") = "5"
    & skf21("1","4","1","4","1","1","7","1") = "6"
    & skf21("1","4","1","4","1","2","1","1") = "3"
    & skf21("1","4","1","4","1","2","2","1") = "3"
    & skf21("1","4","1","4","1","2","3","1") = "3"
    & skf21("1","4","1","4","1","2","4","1") = "3"
    & skf21("1","4","1","4","1","2","5","1") = "4"
    & skf21("1","4","1","4","1","2","6","1") = "5"
    & skf21("1","4","1","4","1","2","7","1") = "6"
    & skf21("1","4","1","4","1","3","1","1") = "3"
    & skf21("1","4","1","4","1","3","2","1") = "3"
    & skf21("1","4","1","4","1","3","3","1") = "3"
    & skf21("1","4","1","4","1","3","4","1") = "3"
    & skf21("1","4","1","4","1","3","5","1") = "4"
    & skf21("1","4","1","4","1","3","6","1") = "5"
    & skf21("1","4","1","4","1","3","7","1") = "6"
    & skf21("1","4","1","4","1","4","1","1") = "3"
    & skf21("1","4","1","4","1","4","2","1") = "3"
    & skf21("1","4","1","4","1","4","3","1") = "3"
    & skf21("1","4","1","4","1","4","4","1") = "3"
    & skf21("1","4","1","4","1","4","5","1") = "4"
    & skf21("1","4","1","4","1","4","6","1") = "5"
    & skf21("1","4","1","4","1","4","7","1") = "6"
    & skf21("1","4","1","4","1","5","1","1") = "4"
    & skf21("1","4","1","4","1","5","2","1") = "4"
    & skf21("1","4","1","4","1","5","3","1") = "4"
    & skf21("1","4","1","4","1","5","4","1") = "4"
    & skf21("1","4","1","4","1","5","5","1") = "4"
    & skf21("1","4","1","4","1","5","6","1") = "5"
    & skf21("1","4","1","4","1","5","7","1") = "6"
    & skf21("1","4","1","4","1","6","1","1") = "5"
    & skf21("1","4","1","4","1","6","2","1") = "5"
    & skf21("1","4","1","4","1","6","3","1") = "5"
    & skf21("1","4","1","4","1","6","4","1") = "5"
    & skf21("1","4","1","4","1","6","5","1") = "5"
    & skf21("1","4","1","4","1","6","6","1") = "5"
    & skf21("1","4","1","4","1","6","7","1") = "6"
    & skf21("1","4","1","4","1","7","1","1") = "6"
    & skf21("1","4","1","4","1","7","2","1") = "6"
    & skf21("1","4","1","4","1","7","3","1") = "6"
    & skf21("1","4","1","4","1","7","4","1") = "6"
    & skf21("1","4","1","4","1","7","5","1") = "6"
    & skf21("1","4","1","4","1","7","6","1") = "6"
    & skf21("1","4","1","4","1","7","7","1") = "6"
    & skf21("1","4","1","4","2","1","1","1") = "3"
    & skf21("1","4","1","4","2","1","2","1") = "3"
    & skf21("1","4","1","4","2","1","3","1") = "3"
    & skf21("1","4","1","4","2","1","4","1") = "3"
    & skf21("1","4","1","4","2","1","5","1") = "4"
    & skf21("1","4","1","4","2","1","6","1") = "5"
    & skf21("1","4","1","4","2","1","7","1") = "6"
    & skf21("1","4","1","4","2","2","1","1") = "3"
    & skf21("1","4","1","4","2","2","2","1") = "3"
    & skf21("1","4","1","4","2","2","3","1") = "3"
    & skf21("1","4","1","4","2","2","4","1") = "3"
    & skf21("1","4","1","4","2","2","5","1") = "4"
    & skf21("1","4","1","4","2","2","6","1") = "5"
    & skf21("1","4","1","4","2","2","7","1") = "6"
    & skf21("1","4","1","4","2","3","1","1") = "3"
    & skf21("1","4","1","4","2","3","2","1") = "3"
    & skf21("1","4","1","4","2","3","3","1") = "3"
    & skf21("1","4","1","4","2","3","4","1") = "3"
    & skf21("1","4","1","4","2","3","5","1") = "4"
    & skf21("1","4","1","4","2","3","6","1") = "5"
    & skf21("1","4","1","4","2","3","7","1") = "6"
    & skf21("1","4","1","4","2","4","1","1") = "3"
    & skf21("1","4","1","4","2","4","2","1") = "3"
    & skf21("1","4","1","4","2","4","3","1") = "3"
    & skf21("1","4","1","4","2","4","4","1") = "3"
    & skf21("1","4","1","4","2","4","5","1") = "4"
    & skf21("1","4","1","4","2","4","6","1") = "5"
    & skf21("1","4","1","4","2","4","7","1") = "6"
    & skf21("1","4","1","4","2","5","1","1") = "4"
    & skf21("1","4","1","4","2","5","2","1") = "4"
    & skf21("1","4","1","4","2","5","3","1") = "4"
    & skf21("1","4","1","4","2","5","4","1") = "4"
    & skf21("1","4","1","4","2","5","5","1") = "4"
    & skf21("1","4","1","4","2","5","6","1") = "5"
    & skf21("1","4","1","4","2","5","7","1") = "6"
    & skf21("1","4","1","4","2","6","1","1") = "5"
    & skf21("1","4","1","4","2","6","2","1") = "5"
    & skf21("1","4","1","4","2","6","3","1") = "5"
    & skf21("1","4","1","4","2","6","4","1") = "5"
    & skf21("1","4","1","4","2","6","5","1") = "5"
    & skf21("1","4","1","4","2","6","6","1") = "5"
    & skf21("1","4","1","4","2","6","7","1") = "6"
    & skf21("1","4","1","4","2","7","1","1") = "6"
    & skf21("1","4","1","4","2","7","2","1") = "6"
    & skf21("1","4","1","4","2","7","3","1") = "6"
    & skf21("1","4","1","4","2","7","4","1") = "6"
    & skf21("1","4","1","4","2","7","5","1") = "6"
    & skf21("1","4","1","4","2","7","6","1") = "6"
    & skf21("1","4","1","4","2","7","7","1") = "6"
    & skf21("1","4","1","4","3","1","1","1") = "3"
    & skf21("1","4","1","4","3","1","2","1") = "3"
    & skf21("1","4","1","4","3","1","3","1") = "3"
    & skf21("1","4","1","4","3","1","4","1") = "3"
    & skf21("1","4","1","4","3","1","5","1") = "4"
    & skf21("1","4","1","4","3","1","6","1") = "5"
    & skf21("1","4","1","4","3","1","7","1") = "6"
    & skf21("1","4","1","4","3","2","1","1") = "3"
    & skf21("1","4","1","4","3","2","2","1") = "3"
    & skf21("1","4","1","4","3","2","3","1") = "3"
    & skf21("1","4","1","4","3","2","4","1") = "3"
    & skf21("1","4","1","4","3","2","5","1") = "4"
    & skf21("1","4","1","4","3","2","6","1") = "5"
    & skf21("1","4","1","4","3","2","7","1") = "6"
    & skf21("1","4","1","4","3","3","1","1") = "3"
    & skf21("1","4","1","4","3","3","2","1") = "3"
    & skf21("1","4","1","4","3","3","3","1") = "3"
    & skf21("1","4","1","4","3","3","4","1") = "3"
    & skf21("1","4","1","4","3","3","5","1") = "4"
    & skf21("1","4","1","4","3","3","6","1") = "5"
    & skf21("1","4","1","4","3","3","7","1") = "6"
    & skf21("1","4","1","4","3","4","1","1") = "3"
    & skf21("1","4","1","4","3","4","2","1") = "3"
    & skf21("1","4","1","4","3","4","3","1") = "3"
    & skf21("1","4","1","4","3","4","4","1") = "3"
    & skf21("1","4","1","4","3","4","5","1") = "4"
    & skf21("1","4","1","4","3","4","6","1") = "5"
    & skf21("1","4","1","4","3","4","7","1") = "6"
    & skf21("1","4","1","4","3","5","1","1") = "4"
    & skf21("1","4","1","4","3","5","2","1") = "4"
    & skf21("1","4","1","4","3","5","3","1") = "4"
    & skf21("1","4","1","4","3","5","4","1") = "4"
    & skf21("1","4","1","4","3","5","5","1") = "4"
    & skf21("1","4","1","4","3","5","6","1") = "5"
    & skf21("1","4","1","4","3","5","7","1") = "6"
    & skf21("1","4","1","4","3","6","1","1") = "5"
    & skf21("1","4","1","4","3","6","2","1") = "5"
    & skf21("1","4","1","4","3","6","3","1") = "5"
    & skf21("1","4","1","4","3","6","4","1") = "5"
    & skf21("1","4","1","4","3","6","5","1") = "5"
    & skf21("1","4","1","4","3","6","6","1") = "5"
    & skf21("1","4","1","4","3","6","7","1") = "6"
    & skf21("1","4","1","4","3","7","1","1") = "6"
    & skf21("1","4","1","4","3","7","2","1") = "6"
    & skf21("1","4","1","4","3","7","3","1") = "6"
    & skf21("1","4","1","4","3","7","4","1") = "6"
    & skf21("1","4","1","4","3","7","5","1") = "6"
    & skf21("1","4","1","4","3","7","6","1") = "6"
    & skf21("1","4","1","4","3","7","7","1") = "6"
    & skf21("1","4","1","4","4","1","1","1") = "3"
    & skf21("1","4","1","4","4","1","2","1") = "3"
    & skf21("1","4","1","4","4","1","3","1") = "3"
    & skf21("1","4","1","4","4","1","4","1") = "3"
    & skf21("1","4","1","4","4","1","5","1") = "4"
    & skf21("1","4","1","4","4","1","6","1") = "5"
    & skf21("1","4","1","4","4","1","7","1") = "6"
    & skf21("1","4","1","4","4","2","1","1") = "3"
    & skf21("1","4","1","4","4","2","2","1") = "3"
    & skf21("1","4","1","4","4","2","3","1") = "3"
    & skf21("1","4","1","4","4","2","4","1") = "3"
    & skf21("1","4","1","4","4","2","5","1") = "4"
    & skf21("1","4","1","4","4","2","6","1") = "5"
    & skf21("1","4","1","4","4","2","7","1") = "6"
    & skf21("1","4","1","4","4","3","1","1") = "3"
    & skf21("1","4","1","4","4","3","2","1") = "3"
    & skf21("1","4","1","4","4","3","3","1") = "3"
    & skf21("1","4","1","4","4","3","4","1") = "3"
    & skf21("1","4","1","4","4","3","5","1") = "4"
    & skf21("1","4","1","4","4","3","6","1") = "5"
    & skf21("1","4","1","4","4","3","7","1") = "6"
    & skf21("1","4","1","4","4","4","1","1") = "3"
    & skf21("1","4","1","4","4","4","2","1") = "3"
    & skf21("1","4","1","4","4","4","3","1") = "3"
    & skf21("1","4","1","4","4","4","4","1") = "3"
    & skf21("1","4","1","4","4","4","5","1") = "4"
    & skf21("1","4","1","4","4","4","6","1") = "5"
    & skf21("1","4","1","4","4","4","7","1") = "6"
    & skf21("1","4","1","4","4","5","1","1") = "4"
    & skf21("1","4","1","4","4","5","2","1") = "4"
    & skf21("1","4","1","4","4","5","3","1") = "4"
    & skf21("1","4","1","4","4","5","4","1") = "4"
    & skf21("1","4","1","4","4","5","5","1") = "4"
    & skf21("1","4","1","4","4","5","6","1") = "5"
    & skf21("1","4","1","4","4","5","7","1") = "6"
    & skf21("1","4","1","4","4","6","1","1") = "5"
    & skf21("1","4","1","4","4","6","2","1") = "5"
    & skf21("1","4","1","4","4","6","3","1") = "5"
    & skf21("1","4","1","4","4","6","4","1") = "5"
    & skf21("1","4","1","4","4","6","5","1") = "5"
    & skf21("1","4","1","4","4","6","6","1") = "5"
    & skf21("1","4","1","4","4","6","7","1") = "6"
    & skf21("1","4","1","4","4","7","1","1") = "6"
    & skf21("1","4","1","4","4","7","2","1") = "6"
    & skf21("1","4","1","4","4","7","3","1") = "6"
    & skf21("1","4","1","4","4","7","4","1") = "6"
    & skf21("1","4","1","4","4","7","5","1") = "6"
    & skf21("1","4","1","4","4","7","6","1") = "6"
    & skf21("1","4","1","4","4","7","7","1") = "6"
    & skf21("1","4","1","4","5","1","1","1") = "4"
    & skf21("1","4","1","4","5","1","2","1") = "4"
    & skf21("1","4","1","4","5","1","3","1") = "4"
    & skf21("1","4","1","4","5","1","4","1") = "4"
    & skf21("1","4","1","4","5","1","5","1") = "4"
    & skf21("1","4","1","4","5","1","6","1") = "5"
    & skf21("1","4","1","4","5","1","7","1") = "6"
    & skf21("1","4","1","4","5","2","1","1") = "4"
    & skf21("1","4","1","4","5","2","2","1") = "4"
    & skf21("1","4","1","4","5","2","3","1") = "4"
    & skf21("1","4","1","4","5","2","4","1") = "4"
    & skf21("1","4","1","4","5","2","5","1") = "4"
    & skf21("1","4","1","4","5","2","6","1") = "5"
    & skf21("1","4","1","4","5","2","7","1") = "6"
    & skf21("1","4","1","4","5","3","1","1") = "4"
    & skf21("1","4","1","4","5","3","2","1") = "4"
    & skf21("1","4","1","4","5","3","3","1") = "4"
    & skf21("1","4","1","4","5","3","4","1") = "4"
    & skf21("1","4","1","4","5","3","5","1") = "4"
    & skf21("1","4","1","4","5","3","6","1") = "5"
    & skf21("1","4","1","4","5","3","7","1") = "6"
    & skf21("1","4","1","4","5","4","1","1") = "4"
    & skf21("1","4","1","4","5","4","2","1") = "4"
    & skf21("1","4","1","4","5","4","3","1") = "4"
    & skf21("1","4","1","4","5","4","4","1") = "4"
    & skf21("1","4","1","4","5","4","5","1") = "4"
    & skf21("1","4","1","4","5","4","6","1") = "5"
    & skf21("1","4","1","4","5","4","7","1") = "6"
    & skf21("1","4","1","4","5","5","1","1") = "4"
    & skf21("1","4","1","4","5","5","2","1") = "4"
    & skf21("1","4","1","4","5","5","3","1") = "4"
    & skf21("1","4","1","4","5","5","4","1") = "4"
    & skf21("1","4","1","4","5","5","5","1") = "4"
    & skf21("1","4","1","4","5","5","6","1") = "5"
    & skf21("1","4","1","4","5","5","7","1") = "6"
    & skf21("1","4","1","4","5","6","1","1") = "5"
    & skf21("1","4","1","4","5","6","2","1") = "5"
    & skf21("1","4","1","4","5","6","3","1") = "5"
    & skf21("1","4","1","4","5","6","4","1") = "5"
    & skf21("1","4","1","4","5","6","5","1") = "5"
    & skf21("1","4","1","4","5","6","6","1") = "5"
    & skf21("1","4","1","4","5","6","7","1") = "6"
    & skf21("1","4","1","4","5","7","1","1") = "6"
    & skf21("1","4","1","4","5","7","2","1") = "6"
    & skf21("1","4","1","4","5","7","3","1") = "6"
    & skf21("1","4","1","4","5","7","4","1") = "6"
    & skf21("1","4","1","4","5","7","5","1") = "6"
    & skf21("1","4","1","4","5","7","6","1") = "6"
    & skf21("1","4","1","4","5","7","7","1") = "6"
    & skf21("1","4","1","4","6","1","1","1") = "5"
    & skf21("1","4","1","4","6","1","2","1") = "5"
    & skf21("1","4","1","4","6","1","3","1") = "5"
    & skf21("1","4","1","4","6","1","4","1") = "5"
    & skf21("1","4","1","4","6","1","5","1") = "5"
    & skf21("1","4","1","4","6","1","6","1") = "5"
    & skf21("1","4","1","4","6","1","7","1") = "6"
    & skf21("1","4","1","4","6","2","1","1") = "5"
    & skf21("1","4","1","4","6","2","2","1") = "5"
    & skf21("1","4","1","4","6","2","3","1") = "5"
    & skf21("1","4","1","4","6","2","4","1") = "5"
    & skf21("1","4","1","4","6","2","5","1") = "5"
    & skf21("1","4","1","4","6","2","6","1") = "5"
    & skf21("1","4","1","4","6","2","7","1") = "6"
    & skf21("1","4","1","4","6","3","1","1") = "5"
    & skf21("1","4","1","4","6","3","2","1") = "5"
    & skf21("1","4","1","4","6","3","3","1") = "5"
    & skf21("1","4","1","4","6","3","4","1") = "5"
    & skf21("1","4","1","4","6","3","5","1") = "5"
    & skf21("1","4","1","4","6","3","6","1") = "5"
    & skf21("1","4","1","4","6","3","7","1") = "6"
    & skf21("1","4","1","4","6","4","1","1") = "5"
    & skf21("1","4","1","4","6","4","2","1") = "5"
    & skf21("1","4","1","4","6","4","3","1") = "5"
    & skf21("1","4","1","4","6","4","4","1") = "5"
    & skf21("1","4","1","4","6","4","5","1") = "5"
    & skf21("1","4","1","4","6","4","6","1") = "5"
    & skf21("1","4","1","4","6","4","7","1") = "6"
    & skf21("1","4","1","4","6","5","1","1") = "5"
    & skf21("1","4","1","4","6","5","2","1") = "5"
    & skf21("1","4","1","4","6","5","3","1") = "5"
    & skf21("1","4","1","4","6","5","4","1") = "5"
    & skf21("1","4","1","4","6","5","5","1") = "5"
    & skf21("1","4","1","4","6","5","6","1") = "5"
    & skf21("1","4","1","4","6","5","7","1") = "6"
    & skf21("1","4","1","4","6","6","1","1") = "5"
    & skf21("1","4","1","4","6","6","2","1") = "5"
    & skf21("1","4","1","4","6","6","3","1") = "5"
    & skf21("1","4","1","4","6","6","4","1") = "5"
    & skf21("1","4","1","4","6","6","5","1") = "5"
    & skf21("1","4","1","4","6","6","6","1") = "5"
    & skf21("1","4","1","4","6","6","7","1") = "6"
    & skf21("1","4","1","4","6","7","1","1") = "6"
    & skf21("1","4","1","4","6","7","2","1") = "6"
    & skf21("1","4","1","4","6","7","3","1") = "6"
    & skf21("1","4","1","4","6","7","4","1") = "6"
    & skf21("1","4","1","4","6","7","5","1") = "6"
    & skf21("1","4","1","4","6","7","6","1") = "6"
    & skf21("1","4","1","4","6","7","7","1") = "6"
    & skf21("1","4","1","4","7","1","1","1") = "6"
    & skf21("1","4","1","4","7","1","2","1") = "6"
    & skf21("1","4","1","4","7","1","3","1") = "6"
    & skf21("1","4","1","4","7","1","4","1") = "6"
    & skf21("1","4","1","4","7","1","5","1") = "6"
    & skf21("1","4","1","4","7","1","6","1") = "6"
    & skf21("1","4","1","4","7","1","7","1") = "6"
    & skf21("1","4","1","4","7","2","1","1") = "6"
    & skf21("1","4","1","4","7","2","2","1") = "6"
    & skf21("1","4","1","4","7","2","3","1") = "6"
    & skf21("1","4","1","4","7","2","4","1") = "6"
    & skf21("1","4","1","4","7","2","5","1") = "6"
    & skf21("1","4","1","4","7","2","6","1") = "6"
    & skf21("1","4","1","4","7","2","7","1") = "6"
    & skf21("1","4","1","4","7","3","1","1") = "6"
    & skf21("1","4","1","4","7","3","2","1") = "6"
    & skf21("1","4","1","4","7","3","3","1") = "6"
    & skf21("1","4","1","4","7","3","4","1") = "6"
    & skf21("1","4","1","4","7","3","5","1") = "6"
    & skf21("1","4","1","4","7","3","6","1") = "6"
    & skf21("1","4","1","4","7","3","7","1") = "6"
    & skf21("1","4","1","4","7","4","1","1") = "6"
    & skf21("1","4","1","4","7","4","2","1") = "6"
    & skf21("1","4","1","4","7","4","3","1") = "6"
    & skf21("1","4","1","4","7","4","4","1") = "6"
    & skf21("1","4","1","4","7","4","5","1") = "6"
    & skf21("1","4","1","4","7","4","6","1") = "6"
    & skf21("1","4","1","4","7","4","7","1") = "6"
    & skf21("1","4","1","4","7","5","1","1") = "6"
    & skf21("1","4","1","4","7","5","2","1") = "6"
    & skf21("1","4","1","4","7","5","3","1") = "6"
    & skf21("1","4","1","4","7","5","4","1") = "6"
    & skf21("1","4","1","4","7","5","5","1") = "6"
    & skf21("1","4","1","4","7","5","6","1") = "6"
    & skf21("1","4","1","4","7","5","7","1") = "6"
    & skf21("1","4","1","4","7","6","1","1") = "6"
    & skf21("1","4","1","4","7","6","2","1") = "6"
    & skf21("1","4","1","4","7","6","3","1") = "6"
    & skf21("1","4","1","4","7","6","4","1") = "6"
    & skf21("1","4","1","4","7","6","5","1") = "6"
    & skf21("1","4","1","4","7","6","6","1") = "6"
    & skf21("1","4","1","4","7","6","7","1") = "6"
    & skf21("1","4","1","4","7","7","1","1") = "6"
    & skf21("1","4","1","4","7","7","2","1") = "6"
    & skf21("1","4","1","4","7","7","3","1") = "6"
    & skf21("1","4","1","4","7","7","4","1") = "6"
    & skf21("1","4","1","4","7","7","5","1") = "6"
    & skf21("1","4","1","4","7","7","6","1") = "6"
    & skf21("1","4","1","4","7","7","7","1") = "6"
    & skf21("1","4","1","5","1","1","1","1") = "4"
    & skf21("1","4","1","5","1","1","2","1") = "4"
    & skf21("1","4","1","5","1","1","3","1") = "4"
    & skf21("1","4","1","5","1","1","4","1") = "4"
    & skf21("1","4","1","5","1","1","5","1") = "4"
    & skf21("1","4","1","5","1","1","6","1") = "5"
    & skf21("1","4","1","5","1","1","7","1") = "6"
    & skf21("1","4","1","5","1","2","1","1") = "4"
    & skf21("1","4","1","5","1","2","2","1") = "4"
    & skf21("1","4","1","5","1","2","3","1") = "4"
    & skf21("1","4","1","5","1","2","4","1") = "4"
    & skf21("1","4","1","5","1","2","5","1") = "4"
    & skf21("1","4","1","5","1","2","6","1") = "5"
    & skf21("1","4","1","5","1","2","7","1") = "6"
    & skf21("1","4","1","5","1","3","1","1") = "4"
    & skf21("1","4","1","5","1","3","2","1") = "4"
    & skf21("1","4","1","5","1","3","3","1") = "4"
    & skf21("1","4","1","5","1","3","4","1") = "4"
    & skf21("1","4","1","5","1","3","5","1") = "4"
    & skf21("1","4","1","5","1","3","6","1") = "5"
    & skf21("1","4","1","5","1","3","7","1") = "6"
    & skf21("1","4","1","5","1","4","1","1") = "4"
    & skf21("1","4","1","5","1","4","2","1") = "4"
    & skf21("1","4","1","5","1","4","3","1") = "4"
    & skf21("1","4","1","5","1","4","4","1") = "4"
    & skf21("1","4","1","5","1","4","5","1") = "4"
    & skf21("1","4","1","5","1","4","6","1") = "5"
    & skf21("1","4","1","5","1","4","7","1") = "6"
    & skf21("1","4","1","5","1","5","1","1") = "4"
    & skf21("1","4","1","5","1","5","2","1") = "4"
    & skf21("1","4","1","5","1","5","3","1") = "4"
    & skf21("1","4","1","5","1","5","4","1") = "4"
    & skf21("1","4","1","5","1","5","5","1") = "4"
    & skf21("1","4","1","5","1","5","6","1") = "5"
    & skf21("1","4","1","5","1","5","7","1") = "6"
    & skf21("1","4","1","5","1","6","1","1") = "5"
    & skf21("1","4","1","5","1","6","2","1") = "5"
    & skf21("1","4","1","5","1","6","3","1") = "5"
    & skf21("1","4","1","5","1","6","4","1") = "5"
    & skf21("1","4","1","5","1","6","5","1") = "5"
    & skf21("1","4","1","5","1","6","6","1") = "5"
    & skf21("1","4","1","5","1","6","7","1") = "6"
    & skf21("1","4","1","5","1","7","1","1") = "6"
    & skf21("1","4","1","5","1","7","2","1") = "6"
    & skf21("1","4","1","5","1","7","3","1") = "6"
    & skf21("1","4","1","5","1","7","4","1") = "6"
    & skf21("1","4","1","5","1","7","5","1") = "6"
    & skf21("1","4","1","5","1","7","6","1") = "6"
    & skf21("1","4","1","5","1","7","7","1") = "6"
    & skf21("1","4","1","5","2","1","1","1") = "4"
    & skf21("1","4","1","5","2","1","2","1") = "4"
    & skf21("1","4","1","5","2","1","3","1") = "4"
    & skf21("1","4","1","5","2","1","4","1") = "4"
    & skf21("1","4","1","5","2","1","5","1") = "4"
    & skf21("1","4","1","5","2","1","6","1") = "5"
    & skf21("1","4","1","5","2","1","7","1") = "6"
    & skf21("1","4","1","5","2","2","1","1") = "4"
    & skf21("1","4","1","5","2","2","2","1") = "4"
    & skf21("1","4","1","5","2","2","3","1") = "4"
    & skf21("1","4","1","5","2","2","4","1") = "4"
    & skf21("1","4","1","5","2","2","5","1") = "4"
    & skf21("1","4","1","5","2","2","6","1") = "5"
    & skf21("1","4","1","5","2","2","7","1") = "6"
    & skf21("1","4","1","5","2","3","1","1") = "4"
    & skf21("1","4","1","5","2","3","2","1") = "4"
    & skf21("1","4","1","5","2","3","3","1") = "4"
    & skf21("1","4","1","5","2","3","4","1") = "4"
    & skf21("1","4","1","5","2","3","5","1") = "4"
    & skf21("1","4","1","5","2","3","6","1") = "5"
    & skf21("1","4","1","5","2","3","7","1") = "6"
    & skf21("1","4","1","5","2","4","1","1") = "4"
    & skf21("1","4","1","5","2","4","2","1") = "4"
    & skf21("1","4","1","5","2","4","3","1") = "4"
    & skf21("1","4","1","5","2","4","4","1") = "4"
    & skf21("1","4","1","5","2","4","5","1") = "4"
    & skf21("1","4","1","5","2","4","6","1") = "5"
    & skf21("1","4","1","5","2","4","7","1") = "6"
    & skf21("1","4","1","5","2","5","1","1") = "4"
    & skf21("1","4","1","5","2","5","2","1") = "4"
    & skf21("1","4","1","5","2","5","3","1") = "4"
    & skf21("1","4","1","5","2","5","4","1") = "4"
    & skf21("1","4","1","5","2","5","5","1") = "4"
    & skf21("1","4","1","5","2","5","6","1") = "5"
    & skf21("1","4","1","5","2","5","7","1") = "6"
    & skf21("1","4","1","5","2","6","1","1") = "5"
    & skf21("1","4","1","5","2","6","2","1") = "5"
    & skf21("1","4","1","5","2","6","3","1") = "5"
    & skf21("1","4","1","5","2","6","4","1") = "5"
    & skf21("1","4","1","5","2","6","5","1") = "5"
    & skf21("1","4","1","5","2","6","6","1") = "5"
    & skf21("1","4","1","5","2","6","7","1") = "6"
    & skf21("1","4","1","5","2","7","1","1") = "6"
    & skf21("1","4","1","5","2","7","2","1") = "6"
    & skf21("1","4","1","5","2","7","3","1") = "6"
    & skf21("1","4","1","5","2","7","4","1") = "6"
    & skf21("1","4","1","5","2","7","5","1") = "6"
    & skf21("1","4","1","5","2","7","6","1") = "6"
    & skf21("1","4","1","5","2","7","7","1") = "6"
    & skf21("1","4","1","5","3","1","1","1") = "4"
    & skf21("1","4","1","5","3","1","2","1") = "4"
    & skf21("1","4","1","5","3","1","3","1") = "4"
    & skf21("1","4","1","5","3","1","4","1") = "4"
    & skf21("1","4","1","5","3","1","5","1") = "4"
    & skf21("1","4","1","5","3","1","6","1") = "5"
    & skf21("1","4","1","5","3","1","7","1") = "6"
    & skf21("1","4","1","5","3","2","1","1") = "4"
    & skf21("1","4","1","5","3","2","2","1") = "4"
    & skf21("1","4","1","5","3","2","3","1") = "4"
    & skf21("1","4","1","5","3","2","4","1") = "4"
    & skf21("1","4","1","5","3","2","5","1") = "4"
    & skf21("1","4","1","5","3","2","6","1") = "5"
    & skf21("1","4","1","5","3","2","7","1") = "6"
    & skf21("1","4","1","5","3","3","1","1") = "4"
    & skf21("1","4","1","5","3","3","2","1") = "4"
    & skf21("1","4","1","5","3","3","3","1") = "4"
    & skf21("1","4","1","5","3","3","4","1") = "4"
    & skf21("1","4","1","5","3","3","5","1") = "4"
    & skf21("1","4","1","5","3","3","6","1") = "5"
    & skf21("1","4","1","5","3","3","7","1") = "6"
    & skf21("1","4","1","5","3","4","1","1") = "4"
    & skf21("1","4","1","5","3","4","2","1") = "4"
    & skf21("1","4","1","5","3","4","3","1") = "4"
    & skf21("1","4","1","5","3","4","4","1") = "4"
    & skf21("1","4","1","5","3","4","5","1") = "4"
    & skf21("1","4","1","5","3","4","6","1") = "5"
    & skf21("1","4","1","5","3","4","7","1") = "6"
    & skf21("1","4","1","5","3","5","1","1") = "4"
    & skf21("1","4","1","5","3","5","2","1") = "4"
    & skf21("1","4","1","5","3","5","3","1") = "4"
    & skf21("1","4","1","5","3","5","4","1") = "4"
    & skf21("1","4","1","5","3","5","5","1") = "4"
    & skf21("1","4","1","5","3","5","6","1") = "5"
    & skf21("1","4","1","5","3","5","7","1") = "6"
    & skf21("1","4","1","5","3","6","1","1") = "5"
    & skf21("1","4","1","5","3","6","2","1") = "5"
    & skf21("1","4","1","5","3","6","3","1") = "5"
    & skf21("1","4","1","5","3","6","4","1") = "5"
    & skf21("1","4","1","5","3","6","5","1") = "5"
    & skf21("1","4","1","5","3","6","6","1") = "5"
    & skf21("1","4","1","5","3","6","7","1") = "6"
    & skf21("1","4","1","5","3","7","1","1") = "6"
    & skf21("1","4","1","5","3","7","2","1") = "6"
    & skf21("1","4","1","5","3","7","3","1") = "6"
    & skf21("1","4","1","5","3","7","4","1") = "6"
    & skf21("1","4","1","5","3","7","5","1") = "6"
    & skf21("1","4","1","5","3","7","6","1") = "6"
    & skf21("1","4","1","5","3","7","7","1") = "6"
    & skf21("1","4","1","5","4","1","1","1") = "4"
    & skf21("1","4","1","5","4","1","2","1") = "4"
    & skf21("1","4","1","5","4","1","3","1") = "4"
    & skf21("1","4","1","5","4","1","4","1") = "4"
    & skf21("1","4","1","5","4","1","5","1") = "4"
    & skf21("1","4","1","5","4","1","6","1") = "5"
    & skf21("1","4","1","5","4","1","7","1") = "6"
    & skf21("1","4","1","5","4","2","1","1") = "4"
    & skf21("1","4","1","5","4","2","2","1") = "4"
    & skf21("1","4","1","5","4","2","3","1") = "4"
    & skf21("1","4","1","5","4","2","4","1") = "4"
    & skf21("1","4","1","5","4","2","5","1") = "4"
    & skf21("1","4","1","5","4","2","6","1") = "5"
    & skf21("1","4","1","5","4","2","7","1") = "6"
    & skf21("1","4","1","5","4","3","1","1") = "4"
    & skf21("1","4","1","5","4","3","2","1") = "4"
    & skf21("1","4","1","5","4","3","3","1") = "4"
    & skf21("1","4","1","5","4","3","4","1") = "4"
    & skf21("1","4","1","5","4","3","5","1") = "4"
    & skf21("1","4","1","5","4","3","6","1") = "5"
    & skf21("1","4","1","5","4","3","7","1") = "6"
    & skf21("1","4","1","5","4","4","1","1") = "4"
    & skf21("1","4","1","5","4","4","2","1") = "4"
    & skf21("1","4","1","5","4","4","3","1") = "4"
    & skf21("1","4","1","5","4","4","4","1") = "4"
    & skf21("1","4","1","5","4","4","5","1") = "4"
    & skf21("1","4","1","5","4","4","6","1") = "5"
    & skf21("1","4","1","5","4","4","7","1") = "6"
    & skf21("1","4","1","5","4","5","1","1") = "4"
    & skf21("1","4","1","5","4","5","2","1") = "4"
    & skf21("1","4","1","5","4","5","3","1") = "4"
    & skf21("1","4","1","5","4","5","4","1") = "4"
    & skf21("1","4","1","5","4","5","5","1") = "4"
    & skf21("1","4","1","5","4","5","6","1") = "5"
    & skf21("1","4","1","5","4","5","7","1") = "6"
    & skf21("1","4","1","5","4","6","1","1") = "5"
    & skf21("1","4","1","5","4","6","2","1") = "5"
    & skf21("1","4","1","5","4","6","3","1") = "5"
    & skf21("1","4","1","5","4","6","4","1") = "5"
    & skf21("1","4","1","5","4","6","5","1") = "5"
    & skf21("1","4","1","5","4","6","6","1") = "5"
    & skf21("1","4","1","5","4","6","7","1") = "6"
    & skf21("1","4","1","5","4","7","1","1") = "6"
    & skf21("1","4","1","5","4","7","2","1") = "6"
    & skf21("1","4","1","5","4","7","3","1") = "6"
    & skf21("1","4","1","5","4","7","4","1") = "6"
    & skf21("1","4","1","5","4","7","5","1") = "6"
    & skf21("1","4","1","5","4","7","6","1") = "6"
    & skf21("1","4","1","5","4","7","7","1") = "6"
    & skf21("1","4","1","5","5","1","1","1") = "4"
    & skf21("1","4","1","5","5","1","2","1") = "4"
    & skf21("1","4","1","5","5","1","3","1") = "4"
    & skf21("1","4","1","5","5","1","4","1") = "4"
    & skf21("1","4","1","5","5","1","5","1") = "4"
    & skf21("1","4","1","5","5","1","6","1") = "5"
    & skf21("1","4","1","5","5","1","7","1") = "6"
    & skf21("1","4","1","5","5","2","1","1") = "4"
    & skf21("1","4","1","5","5","2","2","1") = "4"
    & skf21("1","4","1","5","5","2","3","1") = "4"
    & skf21("1","4","1","5","5","2","4","1") = "4"
    & skf21("1","4","1","5","5","2","5","1") = "4"
    & skf21("1","4","1","5","5","2","6","1") = "5"
    & skf21("1","4","1","5","5","2","7","1") = "6"
    & skf21("1","4","1","5","5","3","1","1") = "4"
    & skf21("1","4","1","5","5","3","2","1") = "4"
    & skf21("1","4","1","5","5","3","3","1") = "4"
    & skf21("1","4","1","5","5","3","4","1") = "4"
    & skf21("1","4","1","5","5","3","5","1") = "4"
    & skf21("1","4","1","5","5","3","6","1") = "5"
    & skf21("1","4","1","5","5","3","7","1") = "6"
    & skf21("1","4","1","5","5","4","1","1") = "4"
    & skf21("1","4","1","5","5","4","2","1") = "4"
    & skf21("1","4","1","5","5","4","3","1") = "4"
    & skf21("1","4","1","5","5","4","4","1") = "4"
    & skf21("1","4","1","5","5","4","5","1") = "4"
    & skf21("1","4","1","5","5","4","6","1") = "5"
    & skf21("1","4","1","5","5","4","7","1") = "6"
    & skf21("1","4","1","5","5","5","1","1") = "4"
    & skf21("1","4","1","5","5","5","2","1") = "4"
    & skf21("1","4","1","5","5","5","3","1") = "4"
    & skf21("1","4","1","5","5","5","4","1") = "4"
    & skf21("1","4","1","5","5","5","5","1") = "4"
    & skf21("1","4","1","5","5","5","6","1") = "5"
    & skf21("1","4","1","5","5","5","7","1") = "6"
    & skf21("1","4","1","5","5","6","1","1") = "5"
    & skf21("1","4","1","5","5","6","2","1") = "5"
    & skf21("1","4","1","5","5","6","3","1") = "5"
    & skf21("1","4","1","5","5","6","4","1") = "5"
    & skf21("1","4","1","5","5","6","5","1") = "5"
    & skf21("1","4","1","5","5","6","6","1") = "5"
    & skf21("1","4","1","5","5","6","7","1") = "6"
    & skf21("1","4","1","5","5","7","1","1") = "6"
    & skf21("1","4","1","5","5","7","2","1") = "6"
    & skf21("1","4","1","5","5","7","3","1") = "6"
    & skf21("1","4","1","5","5","7","4","1") = "6"
    & skf21("1","4","1","5","5","7","5","1") = "6"
    & skf21("1","4","1","5","5","7","6","1") = "6"
    & skf21("1","4","1","5","5","7","7","1") = "6"
    & skf21("1","4","1","5","6","1","1","1") = "5"
    & skf21("1","4","1","5","6","1","2","1") = "5"
    & skf21("1","4","1","5","6","1","3","1") = "5"
    & skf21("1","4","1","5","6","1","4","1") = "5"
    & skf21("1","4","1","5","6","1","5","1") = "5"
    & skf21("1","4","1","5","6","1","6","1") = "5"
    & skf21("1","4","1","5","6","1","7","1") = "6"
    & skf21("1","4","1","5","6","2","1","1") = "5"
    & skf21("1","4","1","5","6","2","2","1") = "5"
    & skf21("1","4","1","5","6","2","3","1") = "5"
    & skf21("1","4","1","5","6","2","4","1") = "5"
    & skf21("1","4","1","5","6","2","5","1") = "5"
    & skf21("1","4","1","5","6","2","6","1") = "5"
    & skf21("1","4","1","5","6","2","7","1") = "6"
    & skf21("1","4","1","5","6","3","1","1") = "5"
    & skf21("1","4","1","5","6","3","2","1") = "5"
    & skf21("1","4","1","5","6","3","3","1") = "5"
    & skf21("1","4","1","5","6","3","4","1") = "5"
    & skf21("1","4","1","5","6","3","5","1") = "5"
    & skf21("1","4","1","5","6","3","6","1") = "5"
    & skf21("1","4","1","5","6","3","7","1") = "6"
    & skf21("1","4","1","5","6","4","1","1") = "5"
    & skf21("1","4","1","5","6","4","2","1") = "5"
    & skf21("1","4","1","5","6","4","3","1") = "5"
    & skf21("1","4","1","5","6","4","4","1") = "5"
    & skf21("1","4","1","5","6","4","5","1") = "5"
    & skf21("1","4","1","5","6","4","6","1") = "5"
    & skf21("1","4","1","5","6","4","7","1") = "6"
    & skf21("1","4","1","5","6","5","1","1") = "5"
    & skf21("1","4","1","5","6","5","2","1") = "5"
    & skf21("1","4","1","5","6","5","3","1") = "5"
    & skf21("1","4","1","5","6","5","4","1") = "5"
    & skf21("1","4","1","5","6","5","5","1") = "5"
    & skf21("1","4","1","5","6","5","6","1") = "5"
    & skf21("1","4","1","5","6","5","7","1") = "6"
    & skf21("1","4","1","5","6","6","1","1") = "5"
    & skf21("1","4","1","5","6","6","2","1") = "5"
    & skf21("1","4","1","5","6","6","3","1") = "5"
    & skf21("1","4","1","5","6","6","4","1") = "5"
    & skf21("1","4","1","5","6","6","5","1") = "5"
    & skf21("1","4","1","5","6","6","6","1") = "5"
    & skf21("1","4","1","5","6","6","7","1") = "6"
    & skf21("1","4","1","5","6","7","1","1") = "6"
    & skf21("1","4","1","5","6","7","2","1") = "6"
    & skf21("1","4","1","5","6","7","3","1") = "6"
    & skf21("1","4","1","5","6","7","4","1") = "6"
    & skf21("1","4","1","5","6","7","5","1") = "6"
    & skf21("1","4","1","5","6","7","6","1") = "6"
    & skf21("1","4","1","5","6","7","7","1") = "6"
    & skf21("1","4","1","5","7","1","1","1") = "6"
    & skf21("1","4","1","5","7","1","2","1") = "6"
    & skf21("1","4","1","5","7","1","3","1") = "6"
    & skf21("1","4","1","5","7","1","4","1") = "6"
    & skf21("1","4","1","5","7","1","5","1") = "6"
    & skf21("1","4","1","5","7","1","6","1") = "6"
    & skf21("1","4","1","5","7","1","7","1") = "6"
    & skf21("1","4","1","5","7","2","1","1") = "6"
    & skf21("1","4","1","5","7","2","2","1") = "6"
    & skf21("1","4","1","5","7","2","3","1") = "6"
    & skf21("1","4","1","5","7","2","4","1") = "6"
    & skf21("1","4","1","5","7","2","5","1") = "6"
    & skf21("1","4","1","5","7","2","6","1") = "6"
    & skf21("1","4","1","5","7","2","7","1") = "6"
    & skf21("1","4","1","5","7","3","1","1") = "6"
    & skf21("1","4","1","5","7","3","2","1") = "6"
    & skf21("1","4","1","5","7","3","3","1") = "6"
    & skf21("1","4","1","5","7","3","4","1") = "6"
    & skf21("1","4","1","5","7","3","5","1") = "6"
    & skf21("1","4","1","5","7","3","6","1") = "6"
    & skf21("1","4","1","5","7","3","7","1") = "6"
    & skf21("1","4","1","5","7","4","1","1") = "6"
    & skf21("1","4","1","5","7","4","2","1") = "6"
    & skf21("1","4","1","5","7","4","3","1") = "6"
    & skf21("1","4","1","5","7","4","4","1") = "6"
    & skf21("1","4","1","5","7","4","5","1") = "6"
    & skf21("1","4","1","5","7","4","6","1") = "6"
    & skf21("1","4","1","5","7","4","7","1") = "6"
    & skf21("1","4","1","5","7","5","1","1") = "6"
    & skf21("1","4","1","5","7","5","2","1") = "6"
    & skf21("1","4","1","5","7","5","3","1") = "6"
    & skf21("1","4","1","5","7","5","4","1") = "6"
    & skf21("1","4","1","5","7","5","5","1") = "6"
    & skf21("1","4","1","5","7","5","6","1") = "6"
    & skf21("1","4","1","5","7","5","7","1") = "6"
    & skf21("1","4","1","5","7","6","1","1") = "6"
    & skf21("1","4","1","5","7","6","2","1") = "6"
    & skf21("1","4","1","5","7","6","3","1") = "6"
    & skf21("1","4","1","5","7","6","4","1") = "6"
    & skf21("1","4","1","5","7","6","5","1") = "6"
    & skf21("1","4","1","5","7","6","6","1") = "6"
    & skf21("1","4","1","5","7","6","7","1") = "6"
    & skf21("1","4","1","5","7","7","1","1") = "6"
    & skf21("1","4","1","5","7","7","2","1") = "6"
    & skf21("1","4","1","5","7","7","3","1") = "6"
    & skf21("1","4","1","5","7","7","4","1") = "6"
    & skf21("1","4","1","5","7","7","5","1") = "6"
    & skf21("1","4","1","5","7","7","6","1") = "6"
    & skf21("1","4","1","5","7","7","7","1") = "6"
    & skf21("1","4","1","6","1","1","1","1") = "5"
    & skf21("1","4","1","6","1","1","2","1") = "5"
    & skf21("1","4","1","6","1","1","3","1") = "5"
    & skf21("1","4","1","6","1","1","4","1") = "5"
    & skf21("1","4","1","6","1","1","5","1") = "5"
    & skf21("1","4","1","6","1","1","6","1") = "5"
    & skf21("1","4","1","6","1","1","7","1") = "6"
    & skf21("1","4","1","6","1","2","1","1") = "5"
    & skf21("1","4","1","6","1","2","2","1") = "5"
    & skf21("1","4","1","6","1","2","3","1") = "5"
    & skf21("1","4","1","6","1","2","4","1") = "5"
    & skf21("1","4","1","6","1","2","5","1") = "5"
    & skf21("1","4","1","6","1","2","6","1") = "5"
    & skf21("1","4","1","6","1","2","7","1") = "6"
    & skf21("1","4","1","6","1","3","1","1") = "5"
    & skf21("1","4","1","6","1","3","2","1") = "5"
    & skf21("1","4","1","6","1","3","3","1") = "5"
    & skf21("1","4","1","6","1","3","4","1") = "5"
    & skf21("1","4","1","6","1","3","5","1") = "5"
    & skf21("1","4","1","6","1","3","6","1") = "5"
    & skf21("1","4","1","6","1","3","7","1") = "6"
    & skf21("1","4","1","6","1","4","1","1") = "5"
    & skf21("1","4","1","6","1","4","2","1") = "5"
    & skf21("1","4","1","6","1","4","3","1") = "5"
    & skf21("1","4","1","6","1","4","4","1") = "5"
    & skf21("1","4","1","6","1","4","5","1") = "5"
    & skf21("1","4","1","6","1","4","6","1") = "5"
    & skf21("1","4","1","6","1","4","7","1") = "6"
    & skf21("1","4","1","6","1","5","1","1") = "5"
    & skf21("1","4","1","6","1","5","2","1") = "5"
    & skf21("1","4","1","6","1","5","3","1") = "5"
    & skf21("1","4","1","6","1","5","4","1") = "5"
    & skf21("1","4","1","6","1","5","5","1") = "5"
    & skf21("1","4","1","6","1","5","6","1") = "5"
    & skf21("1","4","1","6","1","5","7","1") = "6"
    & skf21("1","4","1","6","1","6","1","1") = "5"
    & skf21("1","4","1","6","1","6","2","1") = "5"
    & skf21("1","4","1","6","1","6","3","1") = "5"
    & skf21("1","4","1","6","1","6","4","1") = "5"
    & skf21("1","4","1","6","1","6","5","1") = "5"
    & skf21("1","4","1","6","1","6","6","1") = "5"
    & skf21("1","4","1","6","1","6","7","1") = "6"
    & skf21("1","4","1","6","1","7","1","1") = "6"
    & skf21("1","4","1","6","1","7","2","1") = "6"
    & skf21("1","4","1","6","1","7","3","1") = "6"
    & skf21("1","4","1","6","1","7","4","1") = "6"
    & skf21("1","4","1","6","1","7","5","1") = "6"
    & skf21("1","4","1","6","1","7","6","1") = "6"
    & skf21("1","4","1","6","1","7","7","1") = "6"
    & skf21("1","4","1","6","2","1","1","1") = "5"
    & skf21("1","4","1","6","2","1","2","1") = "5"
    & skf21("1","4","1","6","2","1","3","1") = "5"
    & skf21("1","4","1","6","2","1","4","1") = "5"
    & skf21("1","4","1","6","2","1","5","1") = "5"
    & skf21("1","4","1","6","2","1","6","1") = "5"
    & skf21("1","4","1","6","2","1","7","1") = "6"
    & skf21("1","4","1","6","2","2","1","1") = "5"
    & skf21("1","4","1","6","2","2","2","1") = "5"
    & skf21("1","4","1","6","2","2","3","1") = "5"
    & skf21("1","4","1","6","2","2","4","1") = "5"
    & skf21("1","4","1","6","2","2","5","1") = "5"
    & skf21("1","4","1","6","2","2","6","1") = "5"
    & skf21("1","4","1","6","2","2","7","1") = "6"
    & skf21("1","4","1","6","2","3","1","1") = "5"
    & skf21("1","4","1","6","2","3","2","1") = "5"
    & skf21("1","4","1","6","2","3","3","1") = "5"
    & skf21("1","4","1","6","2","3","4","1") = "5"
    & skf21("1","4","1","6","2","3","5","1") = "5"
    & skf21("1","4","1","6","2","3","6","1") = "5"
    & skf21("1","4","1","6","2","3","7","1") = "6"
    & skf21("1","4","1","6","2","4","1","1") = "5"
    & skf21("1","4","1","6","2","4","2","1") = "5"
    & skf21("1","4","1","6","2","4","3","1") = "5"
    & skf21("1","4","1","6","2","4","4","1") = "5"
    & skf21("1","4","1","6","2","4","5","1") = "5"
    & skf21("1","4","1","6","2","4","6","1") = "5"
    & skf21("1","4","1","6","2","4","7","1") = "6"
    & skf21("1","4","1","6","2","5","1","1") = "5"
    & skf21("1","4","1","6","2","5","2","1") = "5"
    & skf21("1","4","1","6","2","5","3","1") = "5"
    & skf21("1","4","1","6","2","5","4","1") = "5"
    & skf21("1","4","1","6","2","5","5","1") = "5"
    & skf21("1","4","1","6","2","5","6","1") = "5"
    & skf21("1","4","1","6","2","5","7","1") = "6"
    & skf21("1","4","1","6","2","6","1","1") = "5"
    & skf21("1","4","1","6","2","6","2","1") = "5"
    & skf21("1","4","1","6","2","6","3","1") = "5"
    & skf21("1","4","1","6","2","6","4","1") = "5"
    & skf21("1","4","1","6","2","6","5","1") = "5"
    & skf21("1","4","1","6","2","6","6","1") = "5"
    & skf21("1","4","1","6","2","6","7","1") = "6"
    & skf21("1","4","1","6","2","7","1","1") = "6"
    & skf21("1","4","1","6","2","7","2","1") = "6"
    & skf21("1","4","1","6","2","7","3","1") = "6"
    & skf21("1","4","1","6","2","7","4","1") = "6"
    & skf21("1","4","1","6","2","7","5","1") = "6"
    & skf21("1","4","1","6","2","7","6","1") = "6"
    & skf21("1","4","1","6","2","7","7","1") = "6"
    & skf21("1","4","1","6","3","1","1","1") = "5"
    & skf21("1","4","1","6","3","1","2","1") = "5"
    & skf21("1","4","1","6","3","1","3","1") = "5"
    & skf21("1","4","1","6","3","1","4","1") = "5"
    & skf21("1","4","1","6","3","1","5","1") = "5"
    & skf21("1","4","1","6","3","1","6","1") = "5"
    & skf21("1","4","1","6","3","1","7","1") = "6"
    & skf21("1","4","1","6","3","2","1","1") = "5"
    & skf21("1","4","1","6","3","2","2","1") = "5"
    & skf21("1","4","1","6","3","2","3","1") = "5"
    & skf21("1","4","1","6","3","2","4","1") = "5"
    & skf21("1","4","1","6","3","2","5","1") = "5"
    & skf21("1","4","1","6","3","2","6","1") = "5"
    & skf21("1","4","1","6","3","2","7","1") = "6"
    & skf21("1","4","1","6","3","3","1","1") = "5"
    & skf21("1","4","1","6","3","3","2","1") = "5"
    & skf21("1","4","1","6","3","3","3","1") = "5"
    & skf21("1","4","1","6","3","3","4","1") = "5"
    & skf21("1","4","1","6","3","3","5","1") = "5"
    & skf21("1","4","1","6","3","3","6","1") = "5"
    & skf21("1","4","1","6","3","3","7","1") = "6"
    & skf21("1","4","1","6","3","4","1","1") = "5"
    & skf21("1","4","1","6","3","4","2","1") = "5"
    & skf21("1","4","1","6","3","4","3","1") = "5"
    & skf21("1","4","1","6","3","4","4","1") = "5"
    & skf21("1","4","1","6","3","4","5","1") = "5"
    & skf21("1","4","1","6","3","4","6","1") = "5"
    & skf21("1","4","1","6","3","4","7","1") = "6"
    & skf21("1","4","1","6","3","5","1","1") = "5"
    & skf21("1","4","1","6","3","5","2","1") = "5"
    & skf21("1","4","1","6","3","5","3","1") = "5"
    & skf21("1","4","1","6","3","5","4","1") = "5"
    & skf21("1","4","1","6","3","5","5","1") = "5"
    & skf21("1","4","1","6","3","5","6","1") = "5"
    & skf21("1","4","1","6","3","5","7","1") = "6"
    & skf21("1","4","1","6","3","6","1","1") = "5"
    & skf21("1","4","1","6","3","6","2","1") = "5"
    & skf21("1","4","1","6","3","6","3","1") = "5"
    & skf21("1","4","1","6","3","6","4","1") = "5"
    & skf21("1","4","1","6","3","6","5","1") = "5"
    & skf21("1","4","1","6","3","6","6","1") = "5"
    & skf21("1","4","1","6","3","6","7","1") = "6"
    & skf21("1","4","1","6","3","7","1","1") = "6"
    & skf21("1","4","1","6","3","7","2","1") = "6"
    & skf21("1","4","1","6","3","7","3","1") = "6"
    & skf21("1","4","1","6","3","7","4","1") = "6"
    & skf21("1","4","1","6","3","7","5","1") = "6"
    & skf21("1","4","1","6","3","7","6","1") = "6"
    & skf21("1","4","1","6","3","7","7","1") = "6"
    & skf21("1","4","1","6","4","1","1","1") = "5"
    & skf21("1","4","1","6","4","1","2","1") = "5"
    & skf21("1","4","1","6","4","1","3","1") = "5"
    & skf21("1","4","1","6","4","1","4","1") = "5"
    & skf21("1","4","1","6","4","1","5","1") = "5"
    & skf21("1","4","1","6","4","1","6","1") = "5"
    & skf21("1","4","1","6","4","1","7","1") = "6"
    & skf21("1","4","1","6","4","2","1","1") = "5"
    & skf21("1","4","1","6","4","2","2","1") = "5"
    & skf21("1","4","1","6","4","2","3","1") = "5"
    & skf21("1","4","1","6","4","2","4","1") = "5"
    & skf21("1","4","1","6","4","2","5","1") = "5"
    & skf21("1","4","1","6","4","2","6","1") = "5"
    & skf21("1","4","1","6","4","2","7","1") = "6"
    & skf21("1","4","1","6","4","3","1","1") = "5"
    & skf21("1","4","1","6","4","3","2","1") = "5"
    & skf21("1","4","1","6","4","3","3","1") = "5"
    & skf21("1","4","1","6","4","3","4","1") = "5"
    & skf21("1","4","1","6","4","3","5","1") = "5"
    & skf21("1","4","1","6","4","3","6","1") = "5"
    & skf21("1","4","1","6","4","3","7","1") = "6"
    & skf21("1","4","1","6","4","4","1","1") = "5"
    & skf21("1","4","1","6","4","4","2","1") = "5"
    & skf21("1","4","1","6","4","4","3","1") = "5"
    & skf21("1","4","1","6","4","4","4","1") = "5"
    & skf21("1","4","1","6","4","4","5","1") = "5"
    & skf21("1","4","1","6","4","4","6","1") = "5"
    & skf21("1","4","1","6","4","4","7","1") = "6"
    & skf21("1","4","1","6","4","5","1","1") = "5"
    & skf21("1","4","1","6","4","5","2","1") = "5"
    & skf21("1","4","1","6","4","5","3","1") = "5"
    & skf21("1","4","1","6","4","5","4","1") = "5"
    & skf21("1","4","1","6","4","5","5","1") = "5"
    & skf21("1","4","1","6","4","5","6","1") = "5"
    & skf21("1","4","1","6","4","5","7","1") = "6"
    & skf21("1","4","1","6","4","6","1","1") = "5"
    & skf21("1","4","1","6","4","6","2","1") = "5"
    & skf21("1","4","1","6","4","6","3","1") = "5"
    & skf21("1","4","1","6","4","6","4","1") = "5"
    & skf21("1","4","1","6","4","6","5","1") = "5"
    & skf21("1","4","1","6","4","6","6","1") = "5"
    & skf21("1","4","1","6","4","6","7","1") = "6"
    & skf21("1","4","1","6","4","7","1","1") = "6"
    & skf21("1","4","1","6","4","7","2","1") = "6"
    & skf21("1","4","1","6","4","7","3","1") = "6"
    & skf21("1","4","1","6","4","7","4","1") = "6"
    & skf21("1","4","1","6","4","7","5","1") = "6"
    & skf21("1","4","1","6","4","7","6","1") = "6"
    & skf21("1","4","1","6","4","7","7","1") = "6"
    & skf21("1","4","1","6","5","1","1","1") = "5"
    & skf21("1","4","1","6","5","1","2","1") = "5"
    & skf21("1","4","1","6","5","1","3","1") = "5"
    & skf21("1","4","1","6","5","1","4","1") = "5"
    & skf21("1","4","1","6","5","1","5","1") = "5"
    & skf21("1","4","1","6","5","1","6","1") = "5"
    & skf21("1","4","1","6","5","1","7","1") = "6"
    & skf21("1","4","1","6","5","2","1","1") = "5"
    & skf21("1","4","1","6","5","2","2","1") = "5"
    & skf21("1","4","1","6","5","2","3","1") = "5"
    & skf21("1","4","1","6","5","2","4","1") = "5"
    & skf21("1","4","1","6","5","2","5","1") = "5"
    & skf21("1","4","1","6","5","2","6","1") = "5"
    & skf21("1","4","1","6","5","2","7","1") = "6"
    & skf21("1","4","1","6","5","3","1","1") = "5"
    & skf21("1","4","1","6","5","3","2","1") = "5"
    & skf21("1","4","1","6","5","3","3","1") = "5"
    & skf21("1","4","1","6","5","3","4","1") = "5"
    & skf21("1","4","1","6","5","3","5","1") = "5"
    & skf21("1","4","1","6","5","3","6","1") = "5"
    & skf21("1","4","1","6","5","3","7","1") = "6"
    & skf21("1","4","1","6","5","4","1","1") = "5"
    & skf21("1","4","1","6","5","4","2","1") = "5"
    & skf21("1","4","1","6","5","4","3","1") = "5"
    & skf21("1","4","1","6","5","4","4","1") = "5"
    & skf21("1","4","1","6","5","4","5","1") = "5"
    & skf21("1","4","1","6","5","4","6","1") = "5"
    & skf21("1","4","1","6","5","4","7","1") = "6"
    & skf21("1","4","1","6","5","5","1","1") = "5"
    & skf21("1","4","1","6","5","5","2","1") = "5"
    & skf21("1","4","1","6","5","5","3","1") = "5"
    & skf21("1","4","1","6","5","5","4","1") = "5"
    & skf21("1","4","1","6","5","5","5","1") = "5"
    & skf21("1","4","1","6","5","5","6","1") = "5"
    & skf21("1","4","1","6","5","5","7","1") = "6"
    & skf21("1","4","1","6","5","6","1","1") = "5"
    & skf21("1","4","1","6","5","6","2","1") = "5"
    & skf21("1","4","1","6","5","6","3","1") = "5"
    & skf21("1","4","1","6","5","6","4","1") = "5"
    & skf21("1","4","1","6","5","6","5","1") = "5"
    & skf21("1","4","1","6","5","6","6","1") = "5"
    & skf21("1","4","1","6","5","6","7","1") = "6"
    & skf21("1","4","1","6","5","7","1","1") = "6"
    & skf21("1","4","1","6","5","7","2","1") = "6"
    & skf21("1","4","1","6","5","7","3","1") = "6"
    & skf21("1","4","1","6","5","7","4","1") = "6"
    & skf21("1","4","1","6","5","7","5","1") = "6"
    & skf21("1","4","1","6","5","7","6","1") = "6"
    & skf21("1","4","1","6","5","7","7","1") = "6"
    & skf21("1","4","1","6","6","1","1","1") = "5"
    & skf21("1","4","1","6","6","1","2","1") = "5"
    & skf21("1","4","1","6","6","1","3","1") = "5"
    & skf21("1","4","1","6","6","1","4","1") = "5"
    & skf21("1","4","1","6","6","1","5","1") = "5"
    & skf21("1","4","1","6","6","1","6","1") = "5"
    & skf21("1","4","1","6","6","1","7","1") = "6"
    & skf21("1","4","1","6","6","2","1","1") = "5"
    & skf21("1","4","1","6","6","2","2","1") = "5"
    & skf21("1","4","1","6","6","2","3","1") = "5"
    & skf21("1","4","1","6","6","2","4","1") = "5"
    & skf21("1","4","1","6","6","2","5","1") = "5"
    & skf21("1","4","1","6","6","2","6","1") = "5"
    & skf21("1","4","1","6","6","2","7","1") = "6"
    & skf21("1","4","1","6","6","3","1","1") = "5"
    & skf21("1","4","1","6","6","3","2","1") = "5"
    & skf21("1","4","1","6","6","3","3","1") = "5"
    & skf21("1","4","1","6","6","3","4","1") = "5"
    & skf21("1","4","1","6","6","3","5","1") = "5"
    & skf21("1","4","1","6","6","3","6","1") = "5"
    & skf21("1","4","1","6","6","3","7","1") = "6"
    & skf21("1","4","1","6","6","4","1","1") = "5"
    & skf21("1","4","1","6","6","4","2","1") = "5"
    & skf21("1","4","1","6","6","4","3","1") = "5"
    & skf21("1","4","1","6","6","4","4","1") = "5"
    & skf21("1","4","1","6","6","4","5","1") = "5"
    & skf21("1","4","1","6","6","4","6","1") = "5"
    & skf21("1","4","1","6","6","4","7","1") = "6"
    & skf21("1","4","1","6","6","5","1","1") = "5"
    & skf21("1","4","1","6","6","5","2","1") = "5"
    & skf21("1","4","1","6","6","5","3","1") = "5"
    & skf21("1","4","1","6","6","5","4","1") = "5"
    & skf21("1","4","1","6","6","5","5","1") = "5"
    & skf21("1","4","1","6","6","5","6","1") = "5"
    & skf21("1","4","1","6","6","5","7","1") = "6"
    & skf21("1","4","1","6","6","6","1","1") = "5"
    & skf21("1","4","1","6","6","6","2","1") = "5"
    & skf21("1","4","1","6","6","6","3","1") = "5"
    & skf21("1","4","1","6","6","6","4","1") = "5"
    & skf21("1","4","1","6","6","6","5","1") = "5"
    & skf21("1","4","1","6","6","6","6","1") = "5"
    & skf21("1","4","1","6","6","6","7","1") = "6"
    & skf21("1","4","1","6","6","7","1","1") = "6"
    & skf21("1","4","1","6","6","7","2","1") = "6"
    & skf21("1","4","1","6","6","7","3","1") = "6"
    & skf21("1","4","1","6","6","7","4","1") = "6"
    & skf21("1","4","1","6","6","7","5","1") = "6"
    & skf21("1","4","1","6","6","7","6","1") = "6"
    & skf21("1","4","1","6","6","7","7","1") = "6"
    & skf21("1","4","1","6","7","1","1","1") = "6"
    & skf21("1","4","1","6","7","1","2","1") = "6"
    & skf21("1","4","1","6","7","1","3","1") = "6"
    & skf21("1","4","1","6","7","1","4","1") = "6"
    & skf21("1","4","1","6","7","1","5","1") = "6"
    & skf21("1","4","1","6","7","1","6","1") = "6"
    & skf21("1","4","1","6","7","1","7","1") = "6"
    & skf21("1","4","1","6","7","2","1","1") = "6"
    & skf21("1","4","1","6","7","2","2","1") = "6"
    & skf21("1","4","1","6","7","2","3","1") = "6"
    & skf21("1","4","1","6","7","2","4","1") = "6"
    & skf21("1","4","1","6","7","2","5","1") = "6"
    & skf21("1","4","1","6","7","2","6","1") = "6"
    & skf21("1","4","1","6","7","2","7","1") = "6"
    & skf21("1","4","1","6","7","3","1","1") = "6"
    & skf21("1","4","1","6","7","3","2","1") = "6"
    & skf21("1","4","1","6","7","3","3","1") = "6"
    & skf21("1","4","1","6","7","3","4","1") = "6"
    & skf21("1","4","1","6","7","3","5","1") = "6"
    & skf21("1","4","1","6","7","3","6","1") = "6"
    & skf21("1","4","1","6","7","3","7","1") = "6"
    & skf21("1","4","1","6","7","4","1","1") = "6"
    & skf21("1","4","1","6","7","4","2","1") = "6"
    & skf21("1","4","1","6","7","4","3","1") = "6"
    & skf21("1","4","1","6","7","4","4","1") = "6"
    & skf21("1","4","1","6","7","4","5","1") = "6"
    & skf21("1","4","1","6","7","4","6","1") = "6"
    & skf21("1","4","1","6","7","4","7","1") = "6"
    & skf21("1","4","1","6","7","5","1","1") = "6"
    & skf21("1","4","1","6","7","5","2","1") = "6"
    & skf21("1","4","1","6","7","5","3","1") = "6"
    & skf21("1","4","1","6","7","5","4","1") = "6"
    & skf21("1","4","1","6","7","5","5","1") = "6"
    & skf21("1","4","1","6","7","5","6","1") = "6"
    & skf21("1","4","1","6","7","5","7","1") = "6"
    & skf21("1","4","1","6","7","6","1","1") = "6"
    & skf21("1","4","1","6","7","6","2","1") = "6"
    & skf21("1","4","1","6","7","6","3","1") = "6"
    & skf21("1","4","1","6","7","6","4","1") = "6"
    & skf21("1","4","1","6","7","6","5","1") = "6"
    & skf21("1","4","1","6","7","6","6","1") = "6"
    & skf21("1","4","1","6","7","6","7","1") = "6"
    & skf21("1","4","1","6","7","7","1","1") = "6"
    & skf21("1","4","1","6","7","7","2","1") = "6"
    & skf21("1","4","1","6","7","7","3","1") = "6"
    & skf21("1","4","1","6","7","7","4","1") = "6"
    & skf21("1","4","1","6","7","7","5","1") = "6"
    & skf21("1","4","1","6","7","7","6","1") = "6"
    & skf21("1","4","1","6","7","7","7","1") = "6"
    & skf21("1","4","1","7","1","1","1","1") = "6"
    & skf21("1","4","1","7","1","1","2","1") = "6"
    & skf21("1","4","1","7","1","1","3","1") = "6"
    & skf21("1","4","1","7","1","1","4","1") = "6"
    & skf21("1","4","1","7","1","1","5","1") = "6"
    & skf21("1","4","1","7","1","1","6","1") = "6"
    & skf21("1","4","1","7","1","1","7","1") = "6"
    & skf21("1","4","1","7","1","2","1","1") = "6"
    & skf21("1","4","1","7","1","2","2","1") = "6"
    & skf21("1","4","1","7","1","2","3","1") = "6"
    & skf21("1","4","1","7","1","2","4","1") = "6"
    & skf21("1","4","1","7","1","2","5","1") = "6"
    & skf21("1","4","1","7","1","2","6","1") = "6"
    & skf21("1","4","1","7","1","2","7","1") = "6"
    & skf21("1","4","1","7","1","3","1","1") = "6"
    & skf21("1","4","1","7","1","3","2","1") = "6"
    & skf21("1","4","1","7","1","3","3","1") = "6"
    & skf21("1","4","1","7","1","3","4","1") = "6"
    & skf21("1","4","1","7","1","3","5","1") = "6"
    & skf21("1","4","1","7","1","3","6","1") = "6"
    & skf21("1","4","1","7","1","3","7","1") = "6"
    & skf21("1","4","1","7","1","4","1","1") = "6"
    & skf21("1","4","1","7","1","4","2","1") = "6"
    & skf21("1","4","1","7","1","4","3","1") = "6"
    & skf21("1","4","1","7","1","4","4","1") = "6"
    & skf21("1","4","1","7","1","4","5","1") = "6"
    & skf21("1","4","1","7","1","4","6","1") = "6"
    & skf21("1","4","1","7","1","4","7","1") = "6"
    & skf21("1","4","1","7","1","5","1","1") = "6"
    & skf21("1","4","1","7","1","5","2","1") = "6"
    & skf21("1","4","1","7","1","5","3","1") = "6"
    & skf21("1","4","1","7","1","5","4","1") = "6"
    & skf21("1","4","1","7","1","5","5","1") = "6"
    & skf21("1","4","1","7","1","5","6","1") = "6"
    & skf21("1","4","1","7","1","5","7","1") = "6"
    & skf21("1","4","1","7","1","6","1","1") = "6"
    & skf21("1","4","1","7","1","6","2","1") = "6"
    & skf21("1","4","1","7","1","6","3","1") = "6"
    & skf21("1","4","1","7","1","6","4","1") = "6"
    & skf21("1","4","1","7","1","6","5","1") = "6"
    & skf21("1","4","1","7","1","6","6","1") = "6"
    & skf21("1","4","1","7","1","6","7","1") = "6"
    & skf21("1","4","1","7","1","7","1","1") = "6"
    & skf21("1","4","1","7","1","7","2","1") = "6"
    & skf21("1","4","1","7","1","7","3","1") = "6"
    & skf21("1","4","1","7","1","7","4","1") = "6"
    & skf21("1","4","1","7","1","7","5","1") = "6"
    & skf21("1","4","1","7","1","7","6","1") = "6"
    & skf21("1","4","1","7","1","7","7","1") = "6"
    & skf21("1","4","1","7","2","1","1","1") = "6"
    & skf21("1","4","1","7","2","1","2","1") = "6"
    & skf21("1","4","1","7","2","1","3","1") = "6"
    & skf21("1","4","1","7","2","1","4","1") = "6"
    & skf21("1","4","1","7","2","1","5","1") = "6"
    & skf21("1","4","1","7","2","1","6","1") = "6"
    & skf21("1","4","1","7","2","1","7","1") = "6"
    & skf21("1","4","1","7","2","2","1","1") = "6"
    & skf21("1","4","1","7","2","2","2","1") = "6"
    & skf21("1","4","1","7","2","2","3","1") = "6"
    & skf21("1","4","1","7","2","2","4","1") = "6"
    & skf21("1","4","1","7","2","2","5","1") = "6"
    & skf21("1","4","1","7","2","2","6","1") = "6"
    & skf21("1","4","1","7","2","2","7","1") = "6"
    & skf21("1","4","1","7","2","3","1","1") = "6"
    & skf21("1","4","1","7","2","3","2","1") = "6"
    & skf21("1","4","1","7","2","3","3","1") = "6"
    & skf21("1","4","1","7","2","3","4","1") = "6"
    & skf21("1","4","1","7","2","3","5","1") = "6"
    & skf21("1","4","1","7","2","3","6","1") = "6"
    & skf21("1","4","1","7","2","3","7","1") = "6"
    & skf21("1","4","1","7","2","4","1","1") = "6"
    & skf21("1","4","1","7","2","4","2","1") = "6"
    & skf21("1","4","1","7","2","4","3","1") = "6"
    & skf21("1","4","1","7","2","4","4","1") = "6"
    & skf21("1","4","1","7","2","4","5","1") = "6"
    & skf21("1","4","1","7","2","4","6","1") = "6"
    & skf21("1","4","1","7","2","4","7","1") = "6"
    & skf21("1","4","1","7","2","5","1","1") = "6"
    & skf21("1","4","1","7","2","5","2","1") = "6"
    & skf21("1","4","1","7","2","5","3","1") = "6"
    & skf21("1","4","1","7","2","5","4","1") = "6"
    & skf21("1","4","1","7","2","5","5","1") = "6"
    & skf21("1","4","1","7","2","5","6","1") = "6"
    & skf21("1","4","1","7","2","5","7","1") = "6"
    & skf21("1","4","1","7","2","6","1","1") = "6"
    & skf21("1","4","1","7","2","6","2","1") = "6"
    & skf21("1","4","1","7","2","6","3","1") = "6"
    & skf21("1","4","1","7","2","6","4","1") = "6"
    & skf21("1","4","1","7","2","6","5","1") = "6"
    & skf21("1","4","1","7","2","6","6","1") = "6"
    & skf21("1","4","1","7","2","6","7","1") = "6"
    & skf21("1","4","1","7","2","7","1","1") = "6"
    & skf21("1","4","1","7","2","7","2","1") = "6"
    & skf21("1","4","1","7","2","7","3","1") = "6"
    & skf21("1","4","1","7","2","7","4","1") = "6"
    & skf21("1","4","1","7","2","7","5","1") = "6"
    & skf21("1","4","1","7","2","7","6","1") = "6"
    & skf21("1","4","1","7","2","7","7","1") = "6"
    & skf21("1","4","1","7","3","1","1","1") = "6"
    & skf21("1","4","1","7","3","1","2","1") = "6"
    & skf21("1","4","1","7","3","1","3","1") = "6"
    & skf21("1","4","1","7","3","1","4","1") = "6"
    & skf21("1","4","1","7","3","1","5","1") = "6"
    & skf21("1","4","1","7","3","1","6","1") = "6"
    & skf21("1","4","1","7","3","1","7","1") = "6"
    & skf21("1","4","1","7","3","2","1","1") = "6"
    & skf21("1","4","1","7","3","2","2","1") = "6"
    & skf21("1","4","1","7","3","2","3","1") = "6"
    & skf21("1","4","1","7","3","2","4","1") = "6"
    & skf21("1","4","1","7","3","2","5","1") = "6"
    & skf21("1","4","1","7","3","2","6","1") = "6"
    & skf21("1","4","1","7","3","2","7","1") = "6"
    & skf21("1","4","1","7","3","3","1","1") = "6"
    & skf21("1","4","1","7","3","3","2","1") = "6"
    & skf21("1","4","1","7","3","3","3","1") = "6"
    & skf21("1","4","1","7","3","3","4","1") = "6"
    & skf21("1","4","1","7","3","3","5","1") = "6"
    & skf21("1","4","1","7","3","3","6","1") = "6"
    & skf21("1","4","1","7","3","3","7","1") = "6"
    & skf21("1","4","1","7","3","4","1","1") = "6"
    & skf21("1","4","1","7","3","4","2","1") = "6"
    & skf21("1","4","1","7","3","4","3","1") = "6"
    & skf21("1","4","1","7","3","4","4","1") = "6"
    & skf21("1","4","1","7","3","4","5","1") = "6"
    & skf21("1","4","1","7","3","4","6","1") = "6"
    & skf21("1","4","1","7","3","4","7","1") = "6"
    & skf21("1","4","1","7","3","5","1","1") = "6"
    & skf21("1","4","1","7","3","5","2","1") = "6"
    & skf21("1","4","1","7","3","5","3","1") = "6"
    & skf21("1","4","1","7","3","5","4","1") = "6"
    & skf21("1","4","1","7","3","5","5","1") = "6"
    & skf21("1","4","1","7","3","5","6","1") = "6"
    & skf21("1","4","1","7","3","5","7","1") = "6"
    & skf21("1","4","1","7","3","6","1","1") = "6"
    & skf21("1","4","1","7","3","6","2","1") = "6"
    & skf21("1","4","1","7","3","6","3","1") = "6"
    & skf21("1","4","1","7","3","6","4","1") = "6"
    & skf21("1","4","1","7","3","6","5","1") = "6"
    & skf21("1","4","1","7","3","6","6","1") = "6"
    & skf21("1","4","1","7","3","6","7","1") = "6"
    & skf21("1","4","1","7","3","7","1","1") = "6"
    & skf21("1","4","1","7","3","7","2","1") = "6"
    & skf21("1","4","1","7","3","7","3","1") = "6"
    & skf21("1","4","1","7","3","7","4","1") = "6"
    & skf21("1","4","1","7","3","7","5","1") = "6"
    & skf21("1","4","1","7","3","7","6","1") = "6"
    & skf21("1","4","1","7","3","7","7","1") = "6"
    & skf21("1","4","1","7","4","1","1","1") = "6"
    & skf21("1","4","1","7","4","1","2","1") = "6"
    & skf21("1","4","1","7","4","1","3","1") = "6"
    & skf21("1","4","1","7","4","1","4","1") = "6"
    & skf21("1","4","1","7","4","1","5","1") = "6"
    & skf21("1","4","1","7","4","1","6","1") = "6"
    & skf21("1","4","1","7","4","1","7","1") = "6"
    & skf21("1","4","1","7","4","2","1","1") = "6"
    & skf21("1","4","1","7","4","2","2","1") = "6"
    & skf21("1","4","1","7","4","2","3","1") = "6"
    & skf21("1","4","1","7","4","2","4","1") = "6"
    & skf21("1","4","1","7","4","2","5","1") = "6"
    & skf21("1","4","1","7","4","2","6","1") = "6"
    & skf21("1","4","1","7","4","2","7","1") = "6"
    & skf21("1","4","1","7","4","3","1","1") = "6"
    & skf21("1","4","1","7","4","3","2","1") = "6"
    & skf21("1","4","1","7","4","3","3","1") = "6"
    & skf21("1","4","1","7","4","3","4","1") = "6"
    & skf21("1","4","1","7","4","3","5","1") = "6"
    & skf21("1","4","1","7","4","3","6","1") = "6"
    & skf21("1","4","1","7","4","3","7","1") = "6"
    & skf21("1","4","1","7","4","4","1","1") = "6"
    & skf21("1","4","1","7","4","4","2","1") = "6"
    & skf21("1","4","1","7","4","4","3","1") = "6"
    & skf21("1","4","1","7","4","4","4","1") = "6"
    & skf21("1","4","1","7","4","4","5","1") = "6"
    & skf21("1","4","1","7","4","4","6","1") = "6"
    & skf21("1","4","1","7","4","4","7","1") = "6"
    & skf21("1","4","1","7","4","5","1","1") = "6"
    & skf21("1","4","1","7","4","5","2","1") = "6"
    & skf21("1","4","1","7","4","5","3","1") = "6"
    & skf21("1","4","1","7","4","5","4","1") = "6"
    & skf21("1","4","1","7","4","5","5","1") = "6"
    & skf21("1","4","1","7","4","5","6","1") = "6"
    & skf21("1","4","1","7","4","5","7","1") = "6"
    & skf21("1","4","1","7","4","6","1","1") = "6"
    & skf21("1","4","1","7","4","6","2","1") = "6"
    & skf21("1","4","1","7","4","6","3","1") = "6"
    & skf21("1","4","1","7","4","6","4","1") = "6"
    & skf21("1","4","1","7","4","6","5","1") = "6"
    & skf21("1","4","1","7","4","6","6","1") = "6"
    & skf21("1","4","1","7","4","6","7","1") = "6"
    & skf21("1","4","1","7","4","7","1","1") = "6"
    & skf21("1","4","1","7","4","7","2","1") = "6"
    & skf21("1","4","1","7","4","7","3","1") = "6"
    & skf21("1","4","1","7","4","7","4","1") = "6"
    & skf21("1","4","1","7","4","7","5","1") = "6"
    & skf21("1","4","1","7","4","7","6","1") = "6"
    & skf21("1","4","1","7","4","7","7","1") = "6"
    & skf21("1","4","1","7","5","1","1","1") = "6"
    & skf21("1","4","1","7","5","1","2","1") = "6"
    & skf21("1","4","1","7","5","1","3","1") = "6"
    & skf21("1","4","1","7","5","1","4","1") = "6"
    & skf21("1","4","1","7","5","1","5","1") = "6"
    & skf21("1","4","1","7","5","1","6","1") = "6"
    & skf21("1","4","1","7","5","1","7","1") = "6"
    & skf21("1","4","1","7","5","2","1","1") = "6"
    & skf21("1","4","1","7","5","2","2","1") = "6"
    & skf21("1","4","1","7","5","2","3","1") = "6"
    & skf21("1","4","1","7","5","2","4","1") = "6"
    & skf21("1","4","1","7","5","2","5","1") = "6"
    & skf21("1","4","1","7","5","2","6","1") = "6"
    & skf21("1","4","1","7","5","2","7","1") = "6"
    & skf21("1","4","1","7","5","3","1","1") = "6"
    & skf21("1","4","1","7","5","3","2","1") = "6"
    & skf21("1","4","1","7","5","3","3","1") = "6"
    & skf21("1","4","1","7","5","3","4","1") = "6"
    & skf21("1","4","1","7","5","3","5","1") = "6"
    & skf21("1","4","1","7","5","3","6","1") = "6"
    & skf21("1","4","1","7","5","3","7","1") = "6"
    & skf21("1","4","1","7","5","4","1","1") = "6"
    & skf21("1","4","1","7","5","4","2","1") = "6"
    & skf21("1","4","1","7","5","4","3","1") = "6"
    & skf21("1","4","1","7","5","4","4","1") = "6"
    & skf21("1","4","1","7","5","4","5","1") = "6"
    & skf21("1","4","1","7","5","4","6","1") = "6"
    & skf21("1","4","1","7","5","4","7","1") = "6"
    & skf21("1","4","1","7","5","5","1","1") = "6"
    & skf21("1","4","1","7","5","5","2","1") = "6"
    & skf21("1","4","1","7","5","5","3","1") = "6"
    & skf21("1","4","1","7","5","5","4","1") = "6"
    & skf21("1","4","1","7","5","5","5","1") = "6"
    & skf21("1","4","1","7","5","5","6","1") = "6"
    & skf21("1","4","1","7","5","5","7","1") = "6"
    & skf21("1","4","1","7","5","6","1","1") = "6"
    & skf21("1","4","1","7","5","6","2","1") = "6"
    & skf21("1","4","1","7","5","6","3","1") = "6"
    & skf21("1","4","1","7","5","6","4","1") = "6"
    & skf21("1","4","1","7","5","6","5","1") = "6"
    & skf21("1","4","1","7","5","6","6","1") = "6"
    & skf21("1","4","1","7","5","6","7","1") = "6"
    & skf21("1","4","1","7","5","7","1","1") = "6"
    & skf21("1","4","1","7","5","7","2","1") = "6"
    & skf21("1","4","1","7","5","7","3","1") = "6"
    & skf21("1","4","1","7","5","7","4","1") = "6"
    & skf21("1","4","1","7","5","7","5","1") = "6"
    & skf21("1","4","1","7","5","7","6","1") = "6"
    & skf21("1","4","1","7","5","7","7","1") = "6"
    & skf21("1","4","1","7","6","1","1","1") = "6"
    & skf21("1","4","1","7","6","1","2","1") = "6"
    & skf21("1","4","1","7","6","1","3","1") = "6"
    & skf21("1","4","1","7","6","1","4","1") = "6"
    & skf21("1","4","1","7","6","1","5","1") = "6"
    & skf21("1","4","1","7","6","1","6","1") = "6"
    & skf21("1","4","1","7","6","1","7","1") = "6"
    & skf21("1","4","1","7","6","2","1","1") = "6"
    & skf21("1","4","1","7","6","2","2","1") = "6"
    & skf21("1","4","1","7","6","2","3","1") = "6"
    & skf21("1","4","1","7","6","2","4","1") = "6"
    & skf21("1","4","1","7","6","2","5","1") = "6"
    & skf21("1","4","1","7","6","2","6","1") = "6"
    & skf21("1","4","1","7","6","2","7","1") = "6"
    & skf21("1","4","1","7","6","3","1","1") = "6"
    & skf21("1","4","1","7","6","3","2","1") = "6"
    & skf21("1","4","1","7","6","3","3","1") = "6"
    & skf21("1","4","1","7","6","3","4","1") = "6"
    & skf21("1","4","1","7","6","3","5","1") = "6"
    & skf21("1","4","1","7","6","3","6","1") = "6"
    & skf21("1","4","1","7","6","3","7","1") = "6"
    & skf21("1","4","1","7","6","4","1","1") = "6"
    & skf21("1","4","1","7","6","4","2","1") = "6"
    & skf21("1","4","1","7","6","4","3","1") = "6"
    & skf21("1","4","1","7","6","4","4","1") = "6"
    & skf21("1","4","1","7","6","4","5","1") = "6"
    & skf21("1","4","1","7","6","4","6","1") = "6"
    & skf21("1","4","1","7","6","4","7","1") = "6"
    & skf21("1","4","1","7","6","5","1","1") = "6"
    & skf21("1","4","1","7","6","5","2","1") = "6"
    & skf21("1","4","1","7","6","5","3","1") = "6"
    & skf21("1","4","1","7","6","5","4","1") = "6"
    & skf21("1","4","1","7","6","5","5","1") = "6"
    & skf21("1","4","1","7","6","5","6","1") = "6"
    & skf21("1","4","1","7","6","5","7","1") = "6"
    & skf21("1","4","1","7","6","6","1","1") = "6"
    & skf21("1","4","1","7","6","6","2","1") = "6"
    & skf21("1","4","1","7","6","6","3","1") = "6"
    & skf21("1","4","1","7","6","6","4","1") = "6"
    & skf21("1","4","1","7","6","6","5","1") = "6"
    & skf21("1","4","1","7","6","6","6","1") = "6"
    & skf21("1","4","1","7","6","6","7","1") = "6"
    & skf21("1","4","1","7","6","7","1","1") = "6"
    & skf21("1","4","1","7","6","7","2","1") = "6"
    & skf21("1","4","1","7","6","7","3","1") = "6"
    & skf21("1","4","1","7","6","7","4","1") = "6"
    & skf21("1","4","1","7","6","7","5","1") = "6"
    & skf21("1","4","1","7","6","7","6","1") = "6"
    & skf21("1","4","1","7","6","7","7","1") = "6"
    & skf21("1","4","1","7","7","1","1","1") = "6"
    & skf21("1","4","1","7","7","1","2","1") = "6"
    & skf21("1","4","1","7","7","1","3","1") = "6"
    & skf21("1","4","1","7","7","1","4","1") = "6"
    & skf21("1","4","1","7","7","1","5","1") = "6"
    & skf21("1","4","1","7","7","1","6","1") = "6"
    & skf21("1","4","1","7","7","1","7","1") = "6"
    & skf21("1","4","1","7","7","2","1","1") = "6"
    & skf21("1","4","1","7","7","2","2","1") = "6"
    & skf21("1","4","1","7","7","2","3","1") = "6"
    & skf21("1","4","1","7","7","2","4","1") = "6"
    & skf21("1","4","1","7","7","2","5","1") = "6"
    & skf21("1","4","1","7","7","2","6","1") = "6"
    & skf21("1","4","1","7","7","2","7","1") = "6"
    & skf21("1","4","1","7","7","3","1","1") = "6"
    & skf21("1","4","1","7","7","3","2","1") = "6"
    & skf21("1","4","1","7","7","3","3","1") = "6"
    & skf21("1","4","1","7","7","3","4","1") = "6"
    & skf21("1","4","1","7","7","3","5","1") = "6"
    & skf21("1","4","1","7","7","3","6","1") = "6"
    & skf21("1","4","1","7","7","3","7","1") = "6"
    & skf21("1","4","1","7","7","4","1","1") = "6"
    & skf21("1","4","1","7","7","4","2","1") = "6"
    & skf21("1","4","1","7","7","4","3","1") = "6"
    & skf21("1","4","1","7","7","4","4","1") = "6"
    & skf21("1","4","1","7","7","4","5","1") = "6"
    & skf21("1","4","1","7","7","4","6","1") = "6"
    & skf21("1","4","1","7","7","4","7","1") = "6"
    & skf21("1","4","1","7","7","5","1","1") = "6"
    & skf21("1","4","1","7","7","5","2","1") = "6"
    & skf21("1","4","1","7","7","5","3","1") = "6"
    & skf21("1","4","1","7","7","5","4","1") = "6"
    & skf21("1","4","1","7","7","5","5","1") = "6"
    & skf21("1","4","1","7","7","5","6","1") = "6"
    & skf21("1","4","1","7","7","5","7","1") = "6"
    & skf21("1","4","1","7","7","6","1","1") = "6"
    & skf21("1","4","1","7","7","6","2","1") = "6"
    & skf21("1","4","1","7","7","6","3","1") = "6"
    & skf21("1","4","1","7","7","6","4","1") = "6"
    & skf21("1","4","1","7","7","6","5","1") = "6"
    & skf21("1","4","1","7","7","6","6","1") = "6"
    & skf21("1","4","1","7","7","6","7","1") = "6"
    & skf21("1","4","1","7","7","7","1","1") = "6"
    & skf21("1","4","1","7","7","7","2","1") = "6"
    & skf21("1","4","1","7","7","7","3","1") = "6"
    & skf21("1","4","1","7","7","7","4","1") = "6"
    & skf21("1","4","1","7","7","7","5","1") = "6"
    & skf21("1","4","1","7","7","7","6","1") = "6"
    & skf21("1","4","1","7","7","7","7","1") = "6"
    & skf21("1","4","2","1","1","1","1","1") = "3"
    & skf21("1","4","2","1","1","1","2","1") = "3"
    & skf21("1","4","2","1","1","1","3","1") = "3"
    & skf21("1","4","2","1","1","1","4","1") = "3"
    & skf21("1","4","2","1","1","1","5","1") = "4"
    & skf21("1","4","2","1","1","1","6","1") = "5"
    & skf21("1","4","2","1","1","1","7","1") = "6"
    & skf21("1","4","2","1","1","2","1","1") = "3"
    & skf21("1","4","2","1","1","2","2","1") = "3"
    & skf21("1","4","2","1","1","2","3","1") = "3"
    & skf21("1","4","2","1","1","2","4","1") = "3"
    & skf21("1","4","2","1","1","2","5","1") = "4"
    & skf21("1","4","2","1","1","2","6","1") = "5"
    & skf21("1","4","2","1","1","2","7","1") = "6"
    & skf21("1","4","2","1","1","3","1","1") = "3"
    & skf21("1","4","2","1","1","3","2","1") = "3"
    & skf21("1","4","2","1","1","3","3","1") = "3"
    & skf21("1","4","2","1","1","3","4","1") = "3"
    & skf21("1","4","2","1","1","3","5","1") = "4"
    & skf21("1","4","2","1","1","3","6","1") = "5"
    & skf21("1","4","2","1","1","3","7","1") = "6"
    & skf21("1","4","2","1","1","4","1","1") = "3"
    & skf21("1","4","2","1","1","4","2","1") = "3"
    & skf21("1","4","2","1","1","4","3","1") = "3"
    & skf21("1","4","2","1","1","4","4","1") = "3"
    & skf21("1","4","2","1","1","4","5","1") = "4"
    & skf21("1","4","2","1","1","4","6","1") = "5"
    & skf21("1","4","2","1","1","4","7","1") = "6"
    & skf21("1","4","2","1","1","5","1","1") = "4"
    & skf21("1","4","2","1","1","5","2","1") = "4"
    & skf21("1","4","2","1","1","5","3","1") = "4"
    & skf21("1","4","2","1","1","5","4","1") = "4"
    & skf21("1","4","2","1","1","5","5","1") = "4"
    & skf21("1","4","2","1","1","5","6","1") = "5"
    & skf21("1","4","2","1","1","5","7","1") = "6"
    & skf21("1","4","2","1","1","6","1","1") = "5"
    & skf21("1","4","2","1","1","6","2","1") = "5"
    & skf21("1","4","2","1","1","6","3","1") = "5"
    & skf21("1","4","2","1","1","6","4","1") = "5"
    & skf21("1","4","2","1","1","6","5","1") = "5"
    & skf21("1","4","2","1","1","6","6","1") = "5"
    & skf21("1","4","2","1","1","6","7","1") = "6"
    & skf21("1","4","2","1","1","7","1","1") = "6"
    & skf21("1","4","2","1","1","7","2","1") = "6"
    & skf21("1","4","2","1","1","7","3","1") = "6"
    & skf21("1","4","2","1","1","7","4","1") = "6"
    & skf21("1","4","2","1","1","7","5","1") = "6"
    & skf21("1","4","2","1","1","7","6","1") = "6"
    & skf21("1","4","2","1","1","7","7","1") = "6"
    & skf21("1","4","2","1","2","1","1","1") = "3"
    & skf21("1","4","2","1","2","1","2","1") = "3"
    & skf21("1","4","2","1","2","1","3","1") = "3"
    & skf21("1","4","2","1","2","1","4","1") = "3"
    & skf21("1","4","2","1","2","1","5","1") = "4"
    & skf21("1","4","2","1","2","1","6","1") = "5"
    & skf21("1","4","2","1","2","1","7","1") = "6"
    & skf21("1","4","2","1","2","2","1","1") = "3"
    & skf21("1","4","2","1","2","2","2","1") = "3"
    & skf21("1","4","2","1","2","2","3","1") = "3"
    & skf21("1","4","2","1","2","2","4","1") = "3"
    & skf21("1","4","2","1","2","2","5","1") = "4"
    & skf21("1","4","2","1","2","2","6","1") = "5"
    & skf21("1","4","2","1","2","2","7","1") = "6"
    & skf21("1","4","2","1","2","3","1","1") = "3"
    & skf21("1","4","2","1","2","3","2","1") = "3"
    & skf21("1","4","2","1","2","3","3","1") = "3"
    & skf21("1","4","2","1","2","3","4","1") = "3"
    & skf21("1","4","2","1","2","3","5","1") = "4"
    & skf21("1","4","2","1","2","3","6","1") = "5"
    & skf21("1","4","2","1","2","3","7","1") = "6"
    & skf21("1","4","2","1","2","4","1","1") = "3"
    & skf21("1","4","2","1","2","4","2","1") = "3"
    & skf21("1","4","2","1","2","4","3","1") = "3"
    & skf21("1","4","2","1","2","4","4","1") = "3"
    & skf21("1","4","2","1","2","4","5","1") = "4"
    & skf21("1","4","2","1","2","4","6","1") = "5"
    & skf21("1","4","2","1","2","4","7","1") = "6"
    & skf21("1","4","2","1","2","5","1","1") = "4"
    & skf21("1","4","2","1","2","5","2","1") = "4"
    & skf21("1","4","2","1","2","5","3","1") = "4"
    & skf21("1","4","2","1","2","5","4","1") = "4"
    & skf21("1","4","2","1","2","5","5","1") = "4"
    & skf21("1","4","2","1","2","5","6","1") = "5"
    & skf21("1","4","2","1","2","5","7","1") = "6"
    & skf21("1","4","2","1","2","6","1","1") = "5"
    & skf21("1","4","2","1","2","6","2","1") = "5"
    & skf21("1","4","2","1","2","6","3","1") = "5"
    & skf21("1","4","2","1","2","6","4","1") = "5"
    & skf21("1","4","2","1","2","6","5","1") = "5"
    & skf21("1","4","2","1","2","6","6","1") = "5"
    & skf21("1","4","2","1","2","6","7","1") = "6"
    & skf21("1","4","2","1","2","7","1","1") = "6"
    & skf21("1","4","2","1","2","7","2","1") = "6"
    & skf21("1","4","2","1","2","7","3","1") = "6"
    & skf21("1","4","2","1","2","7","4","1") = "6"
    & skf21("1","4","2","1","2","7","5","1") = "6"
    & skf21("1","4","2","1","2","7","6","1") = "6"
    & skf21("1","4","2","1","2","7","7","1") = "6"
    & skf21("1","4","2","1","3","1","1","1") = "3"
    & skf21("1","4","2","1","3","1","2","1") = "3"
    & skf21("1","4","2","1","3","1","3","1") = "3"
    & skf21("1","4","2","1","3","1","4","1") = "3"
    & skf21("1","4","2","1","3","1","5","1") = "4"
    & skf21("1","4","2","1","3","1","6","1") = "5"
    & skf21("1","4","2","1","3","1","7","1") = "6"
    & skf21("1","4","2","1","3","2","1","1") = "3"
    & skf21("1","4","2","1","3","2","2","1") = "3"
    & skf21("1","4","2","1","3","2","3","1") = "3"
    & skf21("1","4","2","1","3","2","4","1") = "3"
    & skf21("1","4","2","1","3","2","5","1") = "4"
    & skf21("1","4","2","1","3","2","6","1") = "5"
    & skf21("1","4","2","1","3","2","7","1") = "6"
    & skf21("1","4","2","1","3","3","1","1") = "3"
    & skf21("1","4","2","1","3","3","2","1") = "3"
    & skf21("1","4","2","1","3","3","3","1") = "3"
    & skf21("1","4","2","1","3","3","4","1") = "3"
    & skf21("1","4","2","1","3","3","5","1") = "4"
    & skf21("1","4","2","1","3","3","6","1") = "5"
    & skf21("1","4","2","1","3","3","7","1") = "6"
    & skf21("1","4","2","1","3","4","1","1") = "3"
    & skf21("1","4","2","1","3","4","2","1") = "3"
    & skf21("1","4","2","1","3","4","3","1") = "3"
    & skf21("1","4","2","1","3","4","4","1") = "3"
    & skf21("1","4","2","1","3","4","5","1") = "4"
    & skf21("1","4","2","1","3","4","6","1") = "5"
    & skf21("1","4","2","1","3","4","7","1") = "6"
    & skf21("1","4","2","1","3","5","1","1") = "4"
    & skf21("1","4","2","1","3","5","2","1") = "4"
    & skf21("1","4","2","1","3","5","3","1") = "4"
    & skf21("1","4","2","1","3","5","4","1") = "4"
    & skf21("1","4","2","1","3","5","5","1") = "4"
    & skf21("1","4","2","1","3","5","6","1") = "5"
    & skf21("1","4","2","1","3","5","7","1") = "6"
    & skf21("1","4","2","1","3","6","1","1") = "5"
    & skf21("1","4","2","1","3","6","2","1") = "5"
    & skf21("1","4","2","1","3","6","3","1") = "5"
    & skf21("1","4","2","1","3","6","4","1") = "5"
    & skf21("1","4","2","1","3","6","5","1") = "5"
    & skf21("1","4","2","1","3","6","6","1") = "5"
    & skf21("1","4","2","1","3","6","7","1") = "6"
    & skf21("1","4","2","1","3","7","1","1") = "6"
    & skf21("1","4","2","1","3","7","2","1") = "6"
    & skf21("1","4","2","1","3","7","3","1") = "6"
    & skf21("1","4","2","1","3","7","4","1") = "6"
    & skf21("1","4","2","1","3","7","5","1") = "6"
    & skf21("1","4","2","1","3","7","6","1") = "6"
    & skf21("1","4","2","1","3","7","7","1") = "6"
    & skf21("1","4","2","1","4","1","1","1") = "3"
    & skf21("1","4","2","1","4","1","2","1") = "3"
    & skf21("1","4","2","1","4","1","3","1") = "3"
    & skf21("1","4","2","1","4","1","4","1") = "3"
    & skf21("1","4","2","1","4","1","5","1") = "4"
    & skf21("1","4","2","1","4","1","6","1") = "5"
    & skf21("1","4","2","1","4","1","7","1") = "6"
    & skf21("1","4","2","1","4","2","1","1") = "3"
    & skf21("1","4","2","1","4","2","2","1") = "3"
    & skf21("1","4","2","1","4","2","3","1") = "3"
    & skf21("1","4","2","1","4","2","4","1") = "3"
    & skf21("1","4","2","1","4","2","5","1") = "4"
    & skf21("1","4","2","1","4","2","6","1") = "5"
    & skf21("1","4","2","1","4","2","7","1") = "6"
    & skf21("1","4","2","1","4","3","1","1") = "3"
    & skf21("1","4","2","1","4","3","2","1") = "3"
    & skf21("1","4","2","1","4","3","3","1") = "3"
    & skf21("1","4","2","1","4","3","4","1") = "3"
    & skf21("1","4","2","1","4","3","5","1") = "4"
    & skf21("1","4","2","1","4","3","6","1") = "5"
    & skf21("1","4","2","1","4","3","7","1") = "6"
    & skf21("1","4","2","1","4","4","1","1") = "3"
    & skf21("1","4","2","1","4","4","2","1") = "3"
    & skf21("1","4","2","1","4","4","3","1") = "3"
    & skf21("1","4","2","1","4","4","4","1") = "3"
    & skf21("1","4","2","1","4","4","5","1") = "4"
    & skf21("1","4","2","1","4","4","6","1") = "5"
    & skf21("1","4","2","1","4","4","7","1") = "6"
    & skf21("1","4","2","1","4","5","1","1") = "4"
    & skf21("1","4","2","1","4","5","2","1") = "4"
    & skf21("1","4","2","1","4","5","3","1") = "4"
    & skf21("1","4","2","1","4","5","4","1") = "4"
    & skf21("1","4","2","1","4","5","5","1") = "4"
    & skf21("1","4","2","1","4","5","6","1") = "5"
    & skf21("1","4","2","1","4","5","7","1") = "6"
    & skf21("1","4","2","1","4","6","1","1") = "5"
    & skf21("1","4","2","1","4","6","2","1") = "5"
    & skf21("1","4","2","1","4","6","3","1") = "5"
    & skf21("1","4","2","1","4","6","4","1") = "5"
    & skf21("1","4","2","1","4","6","5","1") = "5"
    & skf21("1","4","2","1","4","6","6","1") = "5"
    & skf21("1","4","2","1","4","6","7","1") = "6"
    & skf21("1","4","2","1","4","7","1","1") = "6"
    & skf21("1","4","2","1","4","7","2","1") = "6"
    & skf21("1","4","2","1","4","7","3","1") = "6"
    & skf21("1","4","2","1","4","7","4","1") = "6"
    & skf21("1","4","2","1","4","7","5","1") = "6"
    & skf21("1","4","2","1","4","7","6","1") = "6"
    & skf21("1","4","2","1","4","7","7","1") = "6"
    & skf21("1","4","2","1","5","1","1","1") = "4"
    & skf21("1","4","2","1","5","1","2","1") = "4"
    & skf21("1","4","2","1","5","1","3","1") = "4"
    & skf21("1","4","2","1","5","1","4","1") = "4"
    & skf21("1","4","2","1","5","1","5","1") = "4"
    & skf21("1","4","2","1","5","1","6","1") = "5"
    & skf21("1","4","2","1","5","1","7","1") = "6"
    & skf21("1","4","2","1","5","2","1","1") = "4"
    & skf21("1","4","2","1","5","2","2","1") = "4"
    & skf21("1","4","2","1","5","2","3","1") = "4"
    & skf21("1","4","2","1","5","2","4","1") = "4"
    & skf21("1","4","2","1","5","2","5","1") = "4"
    & skf21("1","4","2","1","5","2","6","1") = "5"
    & skf21("1","4","2","1","5","2","7","1") = "6"
    & skf21("1","4","2","1","5","3","1","1") = "4"
    & skf21("1","4","2","1","5","3","2","1") = "4"
    & skf21("1","4","2","1","5","3","3","1") = "4"
    & skf21("1","4","2","1","5","3","4","1") = "4"
    & skf21("1","4","2","1","5","3","5","1") = "4"
    & skf21("1","4","2","1","5","3","6","1") = "5"
    & skf21("1","4","2","1","5","3","7","1") = "6"
    & skf21("1","4","2","1","5","4","1","1") = "4"
    & skf21("1","4","2","1","5","4","2","1") = "4"
    & skf21("1","4","2","1","5","4","3","1") = "4"
    & skf21("1","4","2","1","5","4","4","1") = "4"
    & skf21("1","4","2","1","5","4","5","1") = "4"
    & skf21("1","4","2","1","5","4","6","1") = "5"
    & skf21("1","4","2","1","5","4","7","1") = "6"
    & skf21("1","4","2","1","5","5","1","1") = "4"
    & skf21("1","4","2","1","5","5","2","1") = "4"
    & skf21("1","4","2","1","5","5","3","1") = "4"
    & skf21("1","4","2","1","5","5","4","1") = "4"
    & skf21("1","4","2","1","5","5","5","1") = "4"
    & skf21("1","4","2","1","5","5","6","1") = "5"
    & skf21("1","4","2","1","5","5","7","1") = "6"
    & skf21("1","4","2","1","5","6","1","1") = "5"
    & skf21("1","4","2","1","5","6","2","1") = "5"
    & skf21("1","4","2","1","5","6","3","1") = "5"
    & skf21("1","4","2","1","5","6","4","1") = "5"
    & skf21("1","4","2","1","5","6","5","1") = "5"
    & skf21("1","4","2","1","5","6","6","1") = "5"
    & skf21("1","4","2","1","5","6","7","1") = "6"
    & skf21("1","4","2","1","5","7","1","1") = "6"
    & skf21("1","4","2","1","5","7","2","1") = "6"
    & skf21("1","4","2","1","5","7","3","1") = "6"
    & skf21("1","4","2","1","5","7","4","1") = "6"
    & skf21("1","4","2","1","5","7","5","1") = "6"
    & skf21("1","4","2","1","5","7","6","1") = "6"
    & skf21("1","4","2","1","5","7","7","1") = "6"
    & skf21("1","4","2","1","6","1","1","1") = "5"
    & skf21("1","4","2","1","6","1","2","1") = "5"
    & skf21("1","4","2","1","6","1","3","1") = "5"
    & skf21("1","4","2","1","6","1","4","1") = "5"
    & skf21("1","4","2","1","6","1","5","1") = "5"
    & skf21("1","4","2","1","6","1","6","1") = "5"
    & skf21("1","4","2","1","6","1","7","1") = "6"
    & skf21("1","4","2","1","6","2","1","1") = "5"
    & skf21("1","4","2","1","6","2","2","1") = "5"
    & skf21("1","4","2","1","6","2","3","1") = "5"
    & skf21("1","4","2","1","6","2","4","1") = "5"
    & skf21("1","4","2","1","6","2","5","1") = "5"
    & skf21("1","4","2","1","6","2","6","1") = "5"
    & skf21("1","4","2","1","6","2","7","1") = "6"
    & skf21("1","4","2","1","6","3","1","1") = "5"
    & skf21("1","4","2","1","6","3","2","1") = "5"
    & skf21("1","4","2","1","6","3","3","1") = "5"
    & skf21("1","4","2","1","6","3","4","1") = "5"
    & skf21("1","4","2","1","6","3","5","1") = "5"
    & skf21("1","4","2","1","6","3","6","1") = "5"
    & skf21("1","4","2","1","6","3","7","1") = "6"
    & skf21("1","4","2","1","6","4","1","1") = "5"
    & skf21("1","4","2","1","6","4","2","1") = "5"
    & skf21("1","4","2","1","6","4","3","1") = "5"
    & skf21("1","4","2","1","6","4","4","1") = "5"
    & skf21("1","4","2","1","6","4","5","1") = "5"
    & skf21("1","4","2","1","6","4","6","1") = "5"
    & skf21("1","4","2","1","6","4","7","1") = "6"
    & skf21("1","4","2","1","6","5","1","1") = "5"
    & skf21("1","4","2","1","6","5","2","1") = "5"
    & skf21("1","4","2","1","6","5","3","1") = "5"
    & skf21("1","4","2","1","6","5","4","1") = "5"
    & skf21("1","4","2","1","6","5","5","1") = "5"
    & skf21("1","4","2","1","6","5","6","1") = "5"
    & skf21("1","4","2","1","6","5","7","1") = "6"
    & skf21("1","4","2","1","6","6","1","1") = "5"
    & skf21("1","4","2","1","6","6","2","1") = "5"
    & skf21("1","4","2","1","6","6","3","1") = "5"
    & skf21("1","4","2","1","6","6","4","1") = "5"
    & skf21("1","4","2","1","6","6","5","1") = "5"
    & skf21("1","4","2","1","6","6","6","1") = "5"
    & skf21("1","4","2","1","6","6","7","1") = "6"
    & skf21("1","4","2","1","6","7","1","1") = "6"
    & skf21("1","4","2","1","6","7","2","1") = "6"
    & skf21("1","4","2","1","6","7","3","1") = "6"
    & skf21("1","4","2","1","6","7","4","1") = "6"
    & skf21("1","4","2","1","6","7","5","1") = "6"
    & skf21("1","4","2","1","6","7","6","1") = "6"
    & skf21("1","4","2","1","6","7","7","1") = "6"
    & skf21("1","4","2","1","7","1","1","1") = "6"
    & skf21("1","4","2","1","7","1","2","1") = "6"
    & skf21("1","4","2","1","7","1","3","1") = "6"
    & skf21("1","4","2","1","7","1","4","1") = "6"
    & skf21("1","4","2","1","7","1","5","1") = "6"
    & skf21("1","4","2","1","7","1","6","1") = "6"
    & skf21("1","4","2","1","7","1","7","1") = "6"
    & skf21("1","4","2","1","7","2","1","1") = "6"
    & skf21("1","4","2","1","7","2","2","1") = "6"
    & skf21("1","4","2","1","7","2","3","1") = "6"
    & skf21("1","4","2","1","7","2","4","1") = "6"
    & skf21("1","4","2","1","7","2","5","1") = "6"
    & skf21("1","4","2","1","7","2","6","1") = "6"
    & skf21("1","4","2","1","7","2","7","1") = "6"
    & skf21("1","4","2","1","7","3","1","1") = "6"
    & skf21("1","4","2","1","7","3","2","1") = "6"
    & skf21("1","4","2","1","7","3","3","1") = "6"
    & skf21("1","4","2","1","7","3","4","1") = "6"
    & skf21("1","4","2","1","7","3","5","1") = "6"
    & skf21("1","4","2","1","7","3","6","1") = "6"
    & skf21("1","4","2","1","7","3","7","1") = "6"
    & skf21("1","4","2","1","7","4","1","1") = "6"
    & skf21("1","4","2","1","7","4","2","1") = "6"
    & skf21("1","4","2","1","7","4","3","1") = "6"
    & skf21("1","4","2","1","7","4","4","1") = "6"
    & skf21("1","4","2","1","7","4","5","1") = "6"
    & skf21("1","4","2","1","7","4","6","1") = "6"
    & skf21("1","4","2","1","7","4","7","1") = "6"
    & skf21("1","4","2","1","7","5","1","1") = "6"
    & skf21("1","4","2","1","7","5","2","1") = "6"
    & skf21("1","4","2","1","7","5","3","1") = "6"
    & skf21("1","4","2","1","7","5","4","1") = "6"
    & skf21("1","4","2","1","7","5","5","1") = "6"
    & skf21("1","4","2","1","7","5","6","1") = "6"
    & skf21("1","4","2","1","7","5","7","1") = "6"
    & skf21("1","4","2","1","7","6","1","1") = "6"
    & skf21("1","4","2","1","7","6","2","1") = "6"
    & skf21("1","4","2","1","7","6","3","1") = "6"
    & skf21("1","4","2","1","7","6","4","1") = "6"
    & skf21("1","4","2","1","7","6","5","1") = "6"
    & skf21("1","4","2","1","7","6","6","1") = "6"
    & skf21("1","4","2","1","7","6","7","1") = "6"
    & skf21("1","4","2","1","7","7","1","1") = "6"
    & skf21("1","4","2","1","7","7","2","1") = "6"
    & skf21("1","4","2","1","7","7","3","1") = "6"
    & skf21("1","4","2","1","7","7","4","1") = "6"
    & skf21("1","4","2","1","7","7","5","1") = "6"
    & skf21("1","4","2","1","7","7","6","1") = "6"
    & skf21("1","4","2","1","7","7","7","1") = "6"
    & skf21("1","4","2","2","1","1","1","1") = "3"
    & skf21("1","4","2","2","1","1","2","1") = "3"
    & skf21("1","4","2","2","1","1","3","1") = "3"
    & skf21("1","4","2","2","1","1","4","1") = "3"
    & skf21("1","4","2","2","1","1","5","1") = "4"
    & skf21("1","4","2","2","1","1","6","1") = "5"
    & skf21("1","4","2","2","1","1","7","1") = "6"
    & skf21("1","4","2","2","1","2","1","1") = "3"
    & skf21("1","4","2","2","1","2","2","1") = "3"
    & skf21("1","4","2","2","1","2","3","1") = "3"
    & skf21("1","4","2","2","1","2","4","1") = "3"
    & skf21("1","4","2","2","1","2","5","1") = "4"
    & skf21("1","4","2","2","1","2","6","1") = "5"
    & skf21("1","4","2","2","1","2","7","1") = "6"
    & skf21("1","4","2","2","1","3","1","1") = "3"
    & skf21("1","4","2","2","1","3","2","1") = "3"
    & skf21("1","4","2","2","1","3","3","1") = "3"
    & skf21("1","4","2","2","1","3","4","1") = "3"
    & skf21("1","4","2","2","1","3","5","1") = "4"
    & skf21("1","4","2","2","1","3","6","1") = "5"
    & skf21("1","4","2","2","1","3","7","1") = "6"
    & skf21("1","4","2","2","1","4","1","1") = "3"
    & skf21("1","4","2","2","1","4","2","1") = "3"
    & skf21("1","4","2","2","1","4","3","1") = "3"
    & skf21("1","4","2","2","1","4","4","1") = "3"
    & skf21("1","4","2","2","1","4","5","1") = "4"
    & skf21("1","4","2","2","1","4","6","1") = "5"
    & skf21("1","4","2","2","1","4","7","1") = "6"
    & skf21("1","4","2","2","1","5","1","1") = "4"
    & skf21("1","4","2","2","1","5","2","1") = "4"
    & skf21("1","4","2","2","1","5","3","1") = "4"
    & skf21("1","4","2","2","1","5","4","1") = "4"
    & skf21("1","4","2","2","1","5","5","1") = "4"
    & skf21("1","4","2","2","1","5","6","1") = "5"
    & skf21("1","4","2","2","1","5","7","1") = "6"
    & skf21("1","4","2","2","1","6","1","1") = "5"
    & skf21("1","4","2","2","1","6","2","1") = "5"
    & skf21("1","4","2","2","1","6","3","1") = "5"
    & skf21("1","4","2","2","1","6","4","1") = "5"
    & skf21("1","4","2","2","1","6","5","1") = "5"
    & skf21("1","4","2","2","1","6","6","1") = "5"
    & skf21("1","4","2","2","1","6","7","1") = "6"
    & skf21("1","4","2","2","1","7","1","1") = "6"
    & skf21("1","4","2","2","1","7","2","1") = "6"
    & skf21("1","4","2","2","1","7","3","1") = "6"
    & skf21("1","4","2","2","1","7","4","1") = "6"
    & skf21("1","4","2","2","1","7","5","1") = "6"
    & skf21("1","4","2","2","1","7","6","1") = "6"
    & skf21("1","4","2","2","1","7","7","1") = "6"
    & skf21("1","4","2","2","2","1","1","1") = "3"
    & skf21("1","4","2","2","2","1","2","1") = "3"
    & skf21("1","4","2","2","2","1","3","1") = "3"
    & skf21("1","4","2","2","2","1","4","1") = "3"
    & skf21("1","4","2","2","2","1","5","1") = "4"
    & skf21("1","4","2","2","2","1","6","1") = "5"
    & skf21("1","4","2","2","2","1","7","1") = "6"
    & skf21("1","4","2","2","2","2","1","1") = "3"
    & skf21("1","4","2","2","2","2","2","1") = "3"
    & skf21("1","4","2","2","2","2","3","1") = "3"
    & skf21("1","4","2","2","2","2","4","1") = "3"
    & skf21("1","4","2","2","2","2","5","1") = "4"
    & skf21("1","4","2","2","2","2","6","1") = "5"
    & skf21("1","4","2","2","2","2","7","1") = "6"
    & skf21("1","4","2","2","2","3","1","1") = "3"
    & skf21("1","4","2","2","2","3","2","1") = "3"
    & skf21("1","4","2","2","2","3","3","1") = "3"
    & skf21("1","4","2","2","2","3","4","1") = "3"
    & skf21("1","4","2","2","2","3","5","1") = "4"
    & skf21("1","4","2","2","2","3","6","1") = "5"
    & skf21("1","4","2","2","2","3","7","1") = "6"
    & skf21("1","4","2","2","2","4","1","1") = "3"
    & skf21("1","4","2","2","2","4","2","1") = "3"
    & skf21("1","4","2","2","2","4","3","1") = "3"
    & skf21("1","4","2","2","2","4","4","1") = "3"
    & skf21("1","4","2","2","2","4","5","1") = "4"
    & skf21("1","4","2","2","2","4","6","1") = "5"
    & skf21("1","4","2","2","2","4","7","1") = "6"
    & skf21("1","4","2","2","2","5","1","1") = "4"
    & skf21("1","4","2","2","2","5","2","1") = "4"
    & skf21("1","4","2","2","2","5","3","1") = "4"
    & skf21("1","4","2","2","2","5","4","1") = "4"
    & skf21("1","4","2","2","2","5","5","1") = "4"
    & skf21("1","4","2","2","2","5","6","1") = "5"
    & skf21("1","4","2","2","2","5","7","1") = "6"
    & skf21("1","4","2","2","2","6","1","1") = "5"
    & skf21("1","4","2","2","2","6","2","1") = "5"
    & skf21("1","4","2","2","2","6","3","1") = "5"
    & skf21("1","4","2","2","2","6","4","1") = "5"
    & skf21("1","4","2","2","2","6","5","1") = "5"
    & skf21("1","4","2","2","2","6","6","1") = "5"
    & skf21("1","4","2","2","2","6","7","1") = "6"
    & skf21("1","4","2","2","2","7","1","1") = "6"
    & skf21("1","4","2","2","2","7","2","1") = "6"
    & skf21("1","4","2","2","2","7","3","1") = "6"
    & skf21("1","4","2","2","2","7","4","1") = "6"
    & skf21("1","4","2","2","2","7","5","1") = "6"
    & skf21("1","4","2","2","2","7","6","1") = "6"
    & skf21("1","4","2","2","2","7","7","1") = "6"
    & skf21("1","4","2","2","3","1","1","1") = "3"
    & skf21("1","4","2","2","3","1","2","1") = "3"
    & skf21("1","4","2","2","3","1","3","1") = "3"
    & skf21("1","4","2","2","3","1","4","1") = "3"
    & skf21("1","4","2","2","3","1","5","1") = "4"
    & skf21("1","4","2","2","3","1","6","1") = "5"
    & skf21("1","4","2","2","3","1","7","1") = "6"
    & skf21("1","4","2","2","3","2","1","1") = "3"
    & skf21("1","4","2","2","3","2","2","1") = "3"
    & skf21("1","4","2","2","3","2","3","1") = "3"
    & skf21("1","4","2","2","3","2","4","1") = "3"
    & skf21("1","4","2","2","3","2","5","1") = "4"
    & skf21("1","4","2","2","3","2","6","1") = "5"
    & skf21("1","4","2","2","3","2","7","1") = "6"
    & skf21("1","4","2","2","3","3","1","1") = "3"
    & skf21("1","4","2","2","3","3","2","1") = "3"
    & skf21("1","4","2","2","3","3","3","1") = "3"
    & skf21("1","4","2","2","3","3","4","1") = "3"
    & skf21("1","4","2","2","3","3","5","1") = "4"
    & skf21("1","4","2","2","3","3","6","1") = "5"
    & skf21("1","4","2","2","3","3","7","1") = "6"
    & skf21("1","4","2","2","3","4","1","1") = "3"
    & skf21("1","4","2","2","3","4","2","1") = "3"
    & skf21("1","4","2","2","3","4","3","1") = "3"
    & skf21("1","4","2","2","3","4","4","1") = "3"
    & skf21("1","4","2","2","3","4","5","1") = "4"
    & skf21("1","4","2","2","3","4","6","1") = "5"
    & skf21("1","4","2","2","3","4","7","1") = "6"
    & skf21("1","4","2","2","3","5","1","1") = "4"
    & skf21("1","4","2","2","3","5","2","1") = "4"
    & skf21("1","4","2","2","3","5","3","1") = "4"
    & skf21("1","4","2","2","3","5","4","1") = "4"
    & skf21("1","4","2","2","3","5","5","1") = "4"
    & skf21("1","4","2","2","3","5","6","1") = "5"
    & skf21("1","4","2","2","3","5","7","1") = "6"
    & skf21("1","4","2","2","3","6","1","1") = "5"
    & skf21("1","4","2","2","3","6","2","1") = "5"
    & skf21("1","4","2","2","3","6","3","1") = "5"
    & skf21("1","4","2","2","3","6","4","1") = "5"
    & skf21("1","4","2","2","3","6","5","1") = "5"
    & skf21("1","4","2","2","3","6","6","1") = "5"
    & skf21("1","4","2","2","3","6","7","1") = "6"
    & skf21("1","4","2","2","3","7","1","1") = "6"
    & skf21("1","4","2","2","3","7","2","1") = "6"
    & skf21("1","4","2","2","3","7","3","1") = "6"
    & skf21("1","4","2","2","3","7","4","1") = "6"
    & skf21("1","4","2","2","3","7","5","1") = "6"
    & skf21("1","4","2","2","3","7","6","1") = "6"
    & skf21("1","4","2","2","3","7","7","1") = "6"
    & skf21("1","4","2","2","4","1","1","1") = "3"
    & skf21("1","4","2","2","4","1","2","1") = "3"
    & skf21("1","4","2","2","4","1","3","1") = "3"
    & skf21("1","4","2","2","4","1","4","1") = "3"
    & skf21("1","4","2","2","4","1","5","1") = "4"
    & skf21("1","4","2","2","4","1","6","1") = "5"
    & skf21("1","4","2","2","4","1","7","1") = "6"
    & skf21("1","4","2","2","4","2","1","1") = "3"
    & skf21("1","4","2","2","4","2","2","1") = "3"
    & skf21("1","4","2","2","4","2","3","1") = "3"
    & skf21("1","4","2","2","4","2","4","1") = "3"
    & skf21("1","4","2","2","4","2","5","1") = "4"
    & skf21("1","4","2","2","4","2","6","1") = "5"
    & skf21("1","4","2","2","4","2","7","1") = "6"
    & skf21("1","4","2","2","4","3","1","1") = "3"
    & skf21("1","4","2","2","4","3","2","1") = "3"
    & skf21("1","4","2","2","4","3","3","1") = "3"
    & skf21("1","4","2","2","4","3","4","1") = "3"
    & skf21("1","4","2","2","4","3","5","1") = "4"
    & skf21("1","4","2","2","4","3","6","1") = "5"
    & skf21("1","4","2","2","4","3","7","1") = "6"
    & skf21("1","4","2","2","4","4","1","1") = "3"
    & skf21("1","4","2","2","4","4","2","1") = "3"
    & skf21("1","4","2","2","4","4","3","1") = "3"
    & skf21("1","4","2","2","4","4","4","1") = "3"
    & skf21("1","4","2","2","4","4","5","1") = "4"
    & skf21("1","4","2","2","4","4","6","1") = "5"
    & skf21("1","4","2","2","4","4","7","1") = "6"
    & skf21("1","4","2","2","4","5","1","1") = "4"
    & skf21("1","4","2","2","4","5","2","1") = "4"
    & skf21("1","4","2","2","4","5","3","1") = "4"
    & skf21("1","4","2","2","4","5","4","1") = "4"
    & skf21("1","4","2","2","4","5","5","1") = "4"
    & skf21("1","4","2","2","4","5","6","1") = "5"
    & skf21("1","4","2","2","4","5","7","1") = "6"
    & skf21("1","4","2","2","4","6","1","1") = "5"
    & skf21("1","4","2","2","4","6","2","1") = "5"
    & skf21("1","4","2","2","4","6","3","1") = "5"
    & skf21("1","4","2","2","4","6","4","1") = "5"
    & skf21("1","4","2","2","4","6","5","1") = "5"
    & skf21("1","4","2","2","4","6","6","1") = "5"
    & skf21("1","4","2","2","4","6","7","1") = "6"
    & skf21("1","4","2","2","4","7","1","1") = "6"
    & skf21("1","4","2","2","4","7","2","1") = "6"
    & skf21("1","4","2","2","4","7","3","1") = "6"
    & skf21("1","4","2","2","4","7","4","1") = "6"
    & skf21("1","4","2","2","4","7","5","1") = "6"
    & skf21("1","4","2","2","4","7","6","1") = "6"
    & skf21("1","4","2","2","4","7","7","1") = "6"
    & skf21("1","4","2","2","5","1","1","1") = "4"
    & skf21("1","4","2","2","5","1","2","1") = "4"
    & skf21("1","4","2","2","5","1","3","1") = "4"
    & skf21("1","4","2","2","5","1","4","1") = "4"
    & skf21("1","4","2","2","5","1","5","1") = "4"
    & skf21("1","4","2","2","5","1","6","1") = "5"
    & skf21("1","4","2","2","5","1","7","1") = "6"
    & skf21("1","4","2","2","5","2","1","1") = "4"
    & skf21("1","4","2","2","5","2","2","1") = "4"
    & skf21("1","4","2","2","5","2","3","1") = "4"
    & skf21("1","4","2","2","5","2","4","1") = "4"
    & skf21("1","4","2","2","5","2","5","1") = "4"
    & skf21("1","4","2","2","5","2","6","1") = "5"
    & skf21("1","4","2","2","5","2","7","1") = "6"
    & skf21("1","4","2","2","5","3","1","1") = "4"
    & skf21("1","4","2","2","5","3","2","1") = "4"
    & skf21("1","4","2","2","5","3","3","1") = "4"
    & skf21("1","4","2","2","5","3","4","1") = "4"
    & skf21("1","4","2","2","5","3","5","1") = "4"
    & skf21("1","4","2","2","5","3","6","1") = "5"
    & skf21("1","4","2","2","5","3","7","1") = "6"
    & skf21("1","4","2","2","5","4","1","1") = "4"
    & skf21("1","4","2","2","5","4","2","1") = "4"
    & skf21("1","4","2","2","5","4","3","1") = "4"
    & skf21("1","4","2","2","5","4","4","1") = "4"
    & skf21("1","4","2","2","5","4","5","1") = "4"
    & skf21("1","4","2","2","5","4","6","1") = "5"
    & skf21("1","4","2","2","5","4","7","1") = "6"
    & skf21("1","4","2","2","5","5","1","1") = "4"
    & skf21("1","4","2","2","5","5","2","1") = "4"
    & skf21("1","4","2","2","5","5","3","1") = "4"
    & skf21("1","4","2","2","5","5","4","1") = "4"
    & skf21("1","4","2","2","5","5","5","1") = "4"
    & skf21("1","4","2","2","5","5","6","1") = "5"
    & skf21("1","4","2","2","5","5","7","1") = "6"
    & skf21("1","4","2","2","5","6","1","1") = "5"
    & skf21("1","4","2","2","5","6","2","1") = "5"
    & skf21("1","4","2","2","5","6","3","1") = "5"
    & skf21("1","4","2","2","5","6","4","1") = "5"
    & skf21("1","4","2","2","5","6","5","1") = "5"
    & skf21("1","4","2","2","5","6","6","1") = "5"
    & skf21("1","4","2","2","5","6","7","1") = "6"
    & skf21("1","4","2","2","5","7","1","1") = "6"
    & skf21("1","4","2","2","5","7","2","1") = "6"
    & skf21("1","4","2","2","5","7","3","1") = "6"
    & skf21("1","4","2","2","5","7","4","1") = "6"
    & skf21("1","4","2","2","5","7","5","1") = "6"
    & skf21("1","4","2","2","5","7","6","1") = "6"
    & skf21("1","4","2","2","5","7","7","1") = "6"
    & skf21("1","4","2","2","6","1","1","1") = "5"
    & skf21("1","4","2","2","6","1","2","1") = "5"
    & skf21("1","4","2","2","6","1","3","1") = "5"
    & skf21("1","4","2","2","6","1","4","1") = "5"
    & skf21("1","4","2","2","6","1","5","1") = "5"
    & skf21("1","4","2","2","6","1","6","1") = "5"
    & skf21("1","4","2","2","6","1","7","1") = "6"
    & skf21("1","4","2","2","6","2","1","1") = "5"
    & skf21("1","4","2","2","6","2","2","1") = "5"
    & skf21("1","4","2","2","6","2","3","1") = "5"
    & skf21("1","4","2","2","6","2","4","1") = "5"
    & skf21("1","4","2","2","6","2","5","1") = "5"
    & skf21("1","4","2","2","6","2","6","1") = "5"
    & skf21("1","4","2","2","6","2","7","1") = "6"
    & skf21("1","4","2","2","6","3","1","1") = "5"
    & skf21("1","4","2","2","6","3","2","1") = "5"
    & skf21("1","4","2","2","6","3","3","1") = "5"
    & skf21("1","4","2","2","6","3","4","1") = "5"
    & skf21("1","4","2","2","6","3","5","1") = "5"
    & skf21("1","4","2","2","6","3","6","1") = "5"
    & skf21("1","4","2","2","6","3","7","1") = "6"
    & skf21("1","4","2","2","6","4","1","1") = "5"
    & skf21("1","4","2","2","6","4","2","1") = "5"
    & skf21("1","4","2","2","6","4","3","1") = "5"
    & skf21("1","4","2","2","6","4","4","1") = "5"
    & skf21("1","4","2","2","6","4","5","1") = "5"
    & skf21("1","4","2","2","6","4","6","1") = "5"
    & skf21("1","4","2","2","6","4","7","1") = "6"
    & skf21("1","4","2","2","6","5","1","1") = "5"
    & skf21("1","4","2","2","6","5","2","1") = "5"
    & skf21("1","4","2","2","6","5","3","1") = "5"
    & skf21("1","4","2","2","6","5","4","1") = "5"
    & skf21("1","4","2","2","6","5","5","1") = "5"
    & skf21("1","4","2","2","6","5","6","1") = "5"
    & skf21("1","4","2","2","6","5","7","1") = "6"
    & skf21("1","4","2","2","6","6","1","1") = "5"
    & skf21("1","4","2","2","6","6","2","1") = "5"
    & skf21("1","4","2","2","6","6","3","1") = "5"
    & skf21("1","4","2","2","6","6","4","1") = "5"
    & skf21("1","4","2","2","6","6","5","1") = "5"
    & skf21("1","4","2","2","6","6","6","1") = "5"
    & skf21("1","4","2","2","6","6","7","1") = "6"
    & skf21("1","4","2","2","6","7","1","1") = "6"
    & skf21("1","4","2","2","6","7","2","1") = "6"
    & skf21("1","4","2","2","6","7","3","1") = "6"
    & skf21("1","4","2","2","6","7","4","1") = "6"
    & skf21("1","4","2","2","6","7","5","1") = "6"
    & skf21("1","4","2","2","6","7","6","1") = "6"
    & skf21("1","4","2","2","6","7","7","1") = "6"
    & skf21("1","4","2","2","7","1","1","1") = "6"
    & skf21("1","4","2","2","7","1","2","1") = "6"
    & skf21("1","4","2","2","7","1","3","1") = "6"
    & skf21("1","4","2","2","7","1","4","1") = "6"
    & skf21("1","4","2","2","7","1","5","1") = "6"
    & skf21("1","4","2","2","7","1","6","1") = "6"
    & skf21("1","4","2","2","7","1","7","1") = "6"
    & skf21("1","4","2","2","7","2","1","1") = "6"
    & skf21("1","4","2","2","7","2","2","1") = "6"
    & skf21("1","4","2","2","7","2","3","1") = "6"
    & skf21("1","4","2","2","7","2","4","1") = "6"
    & skf21("1","4","2","2","7","2","5","1") = "6"
    & skf21("1","4","2","2","7","2","6","1") = "6"
    & skf21("1","4","2","2","7","2","7","1") = "6"
    & skf21("1","4","2","2","7","3","1","1") = "6"
    & skf21("1","4","2","2","7","3","2","1") = "6"
    & skf21("1","4","2","2","7","3","3","1") = "6"
    & skf21("1","4","2","2","7","3","4","1") = "6"
    & skf21("1","4","2","2","7","3","5","1") = "6"
    & skf21("1","4","2","2","7","3","6","1") = "6"
    & skf21("1","4","2","2","7","3","7","1") = "6"
    & skf21("1","4","2","2","7","4","1","1") = "6"
    & skf21("1","4","2","2","7","4","2","1") = "6"
    & skf21("1","4","2","2","7","4","3","1") = "6"
    & skf21("1","4","2","2","7","4","4","1") = "6"
    & skf21("1","4","2","2","7","4","5","1") = "6"
    & skf21("1","4","2","2","7","4","6","1") = "6"
    & skf21("1","4","2","2","7","4","7","1") = "6"
    & skf21("1","4","2","2","7","5","1","1") = "6"
    & skf21("1","4","2","2","7","5","2","1") = "6"
    & skf21("1","4","2","2","7","5","3","1") = "6"
    & skf21("1","4","2","2","7","5","4","1") = "6"
    & skf21("1","4","2","2","7","5","5","1") = "6"
    & skf21("1","4","2","2","7","5","6","1") = "6"
    & skf21("1","4","2","2","7","5","7","1") = "6"
    & skf21("1","4","2","2","7","6","1","1") = "6"
    & skf21("1","4","2","2","7","6","2","1") = "6"
    & skf21("1","4","2","2","7","6","3","1") = "6"
    & skf21("1","4","2","2","7","6","4","1") = "6"
    & skf21("1","4","2","2","7","6","5","1") = "6"
    & skf21("1","4","2","2","7","6","6","1") = "6"
    & skf21("1","4","2","2","7","6","7","1") = "6"
    & skf21("1","4","2","2","7","7","1","1") = "6"
    & skf21("1","4","2","2","7","7","2","1") = "6"
    & skf21("1","4","2","2","7","7","3","1") = "6"
    & skf21("1","4","2","2","7","7","4","1") = "6"
    & skf21("1","4","2","2","7","7","5","1") = "6"
    & skf21("1","4","2","2","7","7","6","1") = "6"
    & skf21("1","4","2","2","7","7","7","1") = "6"
    & skf21("1","4","2","3","1","1","1","1") = "3"
    & skf21("1","4","2","3","1","1","2","1") = "3"
    & skf21("1","4","2","3","1","1","3","1") = "3"
    & skf21("1","4","2","3","1","1","4","1") = "3"
    & skf21("1","4","2","3","1","1","5","1") = "4"
    & skf21("1","4","2","3","1","1","6","1") = "5"
    & skf21("1","4","2","3","1","1","7","1") = "6"
    & skf21("1","4","2","3","1","2","1","1") = "3"
    & skf21("1","4","2","3","1","2","2","1") = "3"
    & skf21("1","4","2","3","1","2","3","1") = "3"
    & skf21("1","4","2","3","1","2","4","1") = "3"
    & skf21("1","4","2","3","1","2","5","1") = "4"
    & skf21("1","4","2","3","1","2","6","1") = "5"
    & skf21("1","4","2","3","1","2","7","1") = "6"
    & skf21("1","4","2","3","1","3","1","1") = "3"
    & skf21("1","4","2","3","1","3","2","1") = "3"
    & skf21("1","4","2","3","1","3","3","1") = "3"
    & skf21("1","4","2","3","1","3","4","1") = "3"
    & skf21("1","4","2","3","1","3","5","1") = "4"
    & skf21("1","4","2","3","1","3","6","1") = "5"
    & skf21("1","4","2","3","1","3","7","1") = "6"
    & skf21("1","4","2","3","1","4","1","1") = "3"
    & skf21("1","4","2","3","1","4","2","1") = "3"
    & skf21("1","4","2","3","1","4","3","1") = "3"
    & skf21("1","4","2","3","1","4","4","1") = "3"
    & skf21("1","4","2","3","1","4","5","1") = "4"
    & skf21("1","4","2","3","1","4","6","1") = "5"
    & skf21("1","4","2","3","1","4","7","1") = "6"
    & skf21("1","4","2","3","1","5","1","1") = "4"
    & skf21("1","4","2","3","1","5","2","1") = "4"
    & skf21("1","4","2","3","1","5","3","1") = "4"
    & skf21("1","4","2","3","1","5","4","1") = "4"
    & skf21("1","4","2","3","1","5","5","1") = "4"
    & skf21("1","4","2","3","1","5","6","1") = "5"
    & skf21("1","4","2","3","1","5","7","1") = "6"
    & skf21("1","4","2","3","1","6","1","1") = "5"
    & skf21("1","4","2","3","1","6","2","1") = "5"
    & skf21("1","4","2","3","1","6","3","1") = "5"
    & skf21("1","4","2","3","1","6","4","1") = "5"
    & skf21("1","4","2","3","1","6","5","1") = "5"
    & skf21("1","4","2","3","1","6","6","1") = "5"
    & skf21("1","4","2","3","1","6","7","1") = "6"
    & skf21("1","4","2","3","1","7","1","1") = "6"
    & skf21("1","4","2","3","1","7","2","1") = "6"
    & skf21("1","4","2","3","1","7","3","1") = "6"
    & skf21("1","4","2","3","1","7","4","1") = "6"
    & skf21("1","4","2","3","1","7","5","1") = "6"
    & skf21("1","4","2","3","1","7","6","1") = "6"
    & skf21("1","4","2","3","1","7","7","1") = "6"
    & skf21("1","4","2","3","2","1","1","1") = "3"
    & skf21("1","4","2","3","2","1","2","1") = "3"
    & skf21("1","4","2","3","2","1","3","1") = "3"
    & skf21("1","4","2","3","2","1","4","1") = "3"
    & skf21("1","4","2","3","2","1","5","1") = "4"
    & skf21("1","4","2","3","2","1","6","1") = "5"
    & skf21("1","4","2","3","2","1","7","1") = "6"
    & skf21("1","4","2","3","2","2","1","1") = "3"
    & skf21("1","4","2","3","2","2","2","1") = "3"
    & skf21("1","4","2","3","2","2","3","1") = "3"
    & skf21("1","4","2","3","2","2","4","1") = "3"
    & skf21("1","4","2","3","2","2","5","1") = "4"
    & skf21("1","4","2","3","2","2","6","1") = "5"
    & skf21("1","4","2","3","2","2","7","1") = "6"
    & skf21("1","4","2","3","2","3","1","1") = "3"
    & skf21("1","4","2","3","2","3","2","1") = "3"
    & skf21("1","4","2","3","2","3","3","1") = "3"
    & skf21("1","4","2","3","2","3","4","1") = "3"
    & skf21("1","4","2","3","2","3","5","1") = "4"
    & skf21("1","4","2","3","2","3","6","1") = "5"
    & skf21("1","4","2","3","2","3","7","1") = "6"
    & skf21("1","4","2","3","2","4","1","1") = "3"
    & skf21("1","4","2","3","2","4","2","1") = "3"
    & skf21("1","4","2","3","2","4","3","1") = "3"
    & skf21("1","4","2","3","2","4","4","1") = "3"
    & skf21("1","4","2","3","2","4","5","1") = "4"
    & skf21("1","4","2","3","2","4","6","1") = "5"
    & skf21("1","4","2","3","2","4","7","1") = "6"
    & skf21("1","4","2","3","2","5","1","1") = "4"
    & skf21("1","4","2","3","2","5","2","1") = "4"
    & skf21("1","4","2","3","2","5","3","1") = "4"
    & skf21("1","4","2","3","2","5","4","1") = "4"
    & skf21("1","4","2","3","2","5","5","1") = "4"
    & skf21("1","4","2","3","2","5","6","1") = "5"
    & skf21("1","4","2","3","2","5","7","1") = "6"
    & skf21("1","4","2","3","2","6","1","1") = "5"
    & skf21("1","4","2","3","2","6","2","1") = "5"
    & skf21("1","4","2","3","2","6","3","1") = "5"
    & skf21("1","4","2","3","2","6","4","1") = "5"
    & skf21("1","4","2","3","2","6","5","1") = "5"
    & skf21("1","4","2","3","2","6","6","1") = "5"
    & skf21("1","4","2","3","2","6","7","1") = "6"
    & skf21("1","4","2","3","2","7","1","1") = "6"
    & skf21("1","4","2","3","2","7","2","1") = "6"
    & skf21("1","4","2","3","2","7","3","1") = "6"
    & skf21("1","4","2","3","2","7","4","1") = "6"
    & skf21("1","4","2","3","2","7","5","1") = "6"
    & skf21("1","4","2","3","2","7","6","1") = "6"
    & skf21("1","4","2","3","2","7","7","1") = "6"
    & skf21("1","4","2","3","3","1","1","1") = "3"
    & skf21("1","4","2","3","3","1","2","1") = "3"
    & skf21("1","4","2","3","3","1","3","1") = "3"
    & skf21("1","4","2","3","3","1","4","1") = "3"
    & skf21("1","4","2","3","3","1","5","1") = "4"
    & skf21("1","4","2","3","3","1","6","1") = "5"
    & skf21("1","4","2","3","3","1","7","1") = "6"
    & skf21("1","4","2","3","3","2","1","1") = "3"
    & skf21("1","4","2","3","3","2","2","1") = "3"
    & skf21("1","4","2","3","3","2","3","1") = "3"
    & skf21("1","4","2","3","3","2","4","1") = "3"
    & skf21("1","4","2","3","3","2","5","1") = "4"
    & skf21("1","4","2","3","3","2","6","1") = "5"
    & skf21("1","4","2","3","3","2","7","1") = "6"
    & skf21("1","4","2","3","3","3","1","1") = "3"
    & skf21("1","4","2","3","3","3","2","1") = "3"
    & skf21("1","4","2","3","3","3","3","1") = "3"
    & skf21("1","4","2","3","3","3","4","1") = "3"
    & skf21("1","4","2","3","3","3","5","1") = "4"
    & skf21("1","4","2","3","3","3","6","1") = "5"
    & skf21("1","4","2","3","3","3","7","1") = "6"
    & skf21("1","4","2","3","3","4","1","1") = "3"
    & skf21("1","4","2","3","3","4","2","1") = "3"
    & skf21("1","4","2","3","3","4","3","1") = "3"
    & skf21("1","4","2","3","3","4","4","1") = "3"
    & skf21("1","4","2","3","3","4","5","1") = "4"
    & skf21("1","4","2","3","3","4","6","1") = "5"
    & skf21("1","4","2","3","3","4","7","1") = "6"
    & skf21("1","4","2","3","3","5","1","1") = "4"
    & skf21("1","4","2","3","3","5","2","1") = "4"
    & skf21("1","4","2","3","3","5","3","1") = "4"
    & skf21("1","4","2","3","3","5","4","1") = "4"
    & skf21("1","4","2","3","3","5","5","1") = "4"
    & skf21("1","4","2","3","3","5","6","1") = "5"
    & skf21("1","4","2","3","3","5","7","1") = "6"
    & skf21("1","4","2","3","3","6","1","1") = "5"
    & skf21("1","4","2","3","3","6","2","1") = "5"
    & skf21("1","4","2","3","3","6","3","1") = "5"
    & skf21("1","4","2","3","3","6","4","1") = "5"
    & skf21("1","4","2","3","3","6","5","1") = "5"
    & skf21("1","4","2","3","3","6","6","1") = "5"
    & skf21("1","4","2","3","3","6","7","1") = "6"
    & skf21("1","4","2","3","3","7","1","1") = "6"
    & skf21("1","4","2","3","3","7","2","1") = "6"
    & skf21("1","4","2","3","3","7","3","1") = "6"
    & skf21("1","4","2","3","3","7","4","1") = "6"
    & skf21("1","4","2","3","3","7","5","1") = "6"
    & skf21("1","4","2","3","3","7","6","1") = "6"
    & skf21("1","4","2","3","3","7","7","1") = "6"
    & skf21("1","4","2","3","4","1","1","1") = "3"
    & skf21("1","4","2","3","4","1","2","1") = "3"
    & skf21("1","4","2","3","4","1","3","1") = "3"
    & skf21("1","4","2","3","4","1","4","1") = "3"
    & skf21("1","4","2","3","4","1","5","1") = "4"
    & skf21("1","4","2","3","4","1","6","1") = "5"
    & skf21("1","4","2","3","4","1","7","1") = "6"
    & skf21("1","4","2","3","4","2","1","1") = "3"
    & skf21("1","4","2","3","4","2","2","1") = "3"
    & skf21("1","4","2","3","4","2","3","1") = "3"
    & skf21("1","4","2","3","4","2","4","1") = "3"
    & skf21("1","4","2","3","4","2","5","1") = "4"
    & skf21("1","4","2","3","4","2","6","1") = "5"
    & skf21("1","4","2","3","4","2","7","1") = "6"
    & skf21("1","4","2","3","4","3","1","1") = "3"
    & skf21("1","4","2","3","4","3","2","1") = "3"
    & skf21("1","4","2","3","4","3","3","1") = "3"
    & skf21("1","4","2","3","4","3","4","1") = "3"
    & skf21("1","4","2","3","4","3","5","1") = "4"
    & skf21("1","4","2","3","4","3","6","1") = "5"
    & skf21("1","4","2","3","4","3","7","1") = "6"
    & skf21("1","4","2","3","4","4","1","1") = "3"
    & skf21("1","4","2","3","4","4","2","1") = "3"
    & skf21("1","4","2","3","4","4","3","1") = "3"
    & skf21("1","4","2","3","4","4","4","1") = "3"
    & skf21("1","4","2","3","4","4","5","1") = "4"
    & skf21("1","4","2","3","4","4","6","1") = "5"
    & skf21("1","4","2","3","4","4","7","1") = "6"
    & skf21("1","4","2","3","4","5","1","1") = "4"
    & skf21("1","4","2","3","4","5","2","1") = "4"
    & skf21("1","4","2","3","4","5","3","1") = "4"
    & skf21("1","4","2","3","4","5","4","1") = "4"
    & skf21("1","4","2","3","4","5","5","1") = "4"
    & skf21("1","4","2","3","4","5","6","1") = "5"
    & skf21("1","4","2","3","4","5","7","1") = "6"
    & skf21("1","4","2","3","4","6","1","1") = "5"
    & skf21("1","4","2","3","4","6","2","1") = "5"
    & skf21("1","4","2","3","4","6","3","1") = "5"
    & skf21("1","4","2","3","4","6","4","1") = "5"
    & skf21("1","4","2","3","4","6","5","1") = "5"
    & skf21("1","4","2","3","4","6","6","1") = "5"
    & skf21("1","4","2","3","4","6","7","1") = "6"
    & skf21("1","4","2","3","4","7","1","1") = "6"
    & skf21("1","4","2","3","4","7","2","1") = "6"
    & skf21("1","4","2","3","4","7","3","1") = "6"
    & skf21("1","4","2","3","4","7","4","1") = "6"
    & skf21("1","4","2","3","4","7","5","1") = "6"
    & skf21("1","4","2","3","4","7","6","1") = "6"
    & skf21("1","4","2","3","4","7","7","1") = "6"
    & skf21("1","4","2","3","5","1","1","1") = "4"
    & skf21("1","4","2","3","5","1","2","1") = "4"
    & skf21("1","4","2","3","5","1","3","1") = "4"
    & skf21("1","4","2","3","5","1","4","1") = "4"
    & skf21("1","4","2","3","5","1","5","1") = "4"
    & skf21("1","4","2","3","5","1","6","1") = "5"
    & skf21("1","4","2","3","5","1","7","1") = "6"
    & skf21("1","4","2","3","5","2","1","1") = "4"
    & skf21("1","4","2","3","5","2","2","1") = "4"
    & skf21("1","4","2","3","5","2","3","1") = "4"
    & skf21("1","4","2","3","5","2","4","1") = "4"
    & skf21("1","4","2","3","5","2","5","1") = "4"
    & skf21("1","4","2","3","5","2","6","1") = "5"
    & skf21("1","4","2","3","5","2","7","1") = "6"
    & skf21("1","4","2","3","5","3","1","1") = "4"
    & skf21("1","4","2","3","5","3","2","1") = "4"
    & skf21("1","4","2","3","5","3","3","1") = "4"
    & skf21("1","4","2","3","5","3","4","1") = "4"
    & skf21("1","4","2","3","5","3","5","1") = "4"
    & skf21("1","4","2","3","5","3","6","1") = "5"
    & skf21("1","4","2","3","5","3","7","1") = "6"
    & skf21("1","4","2","3","5","4","1","1") = "4"
    & skf21("1","4","2","3","5","4","2","1") = "4"
    & skf21("1","4","2","3","5","4","3","1") = "4"
    & skf21("1","4","2","3","5","4","4","1") = "4"
    & skf21("1","4","2","3","5","4","5","1") = "4"
    & skf21("1","4","2","3","5","4","6","1") = "5"
    & skf21("1","4","2","3","5","4","7","1") = "6"
    & skf21("1","4","2","3","5","5","1","1") = "4"
    & skf21("1","4","2","3","5","5","2","1") = "4"
    & skf21("1","4","2","3","5","5","3","1") = "4"
    & skf21("1","4","2","3","5","5","4","1") = "4"
    & skf21("1","4","2","3","5","5","5","1") = "4"
    & skf21("1","4","2","3","5","5","6","1") = "5"
    & skf21("1","4","2","3","5","5","7","1") = "6"
    & skf21("1","4","2","3","5","6","1","1") = "5"
    & skf21("1","4","2","3","5","6","2","1") = "5"
    & skf21("1","4","2","3","5","6","3","1") = "5"
    & skf21("1","4","2","3","5","6","4","1") = "5"
    & skf21("1","4","2","3","5","6","5","1") = "5"
    & skf21("1","4","2","3","5","6","6","1") = "5"
    & skf21("1","4","2","3","5","6","7","1") = "6"
    & skf21("1","4","2","3","5","7","1","1") = "6"
    & skf21("1","4","2","3","5","7","2","1") = "6"
    & skf21("1","4","2","3","5","7","3","1") = "6"
    & skf21("1","4","2","3","5","7","4","1") = "6"
    & skf21("1","4","2","3","5","7","5","1") = "6"
    & skf21("1","4","2","3","5","7","6","1") = "6"
    & skf21("1","4","2","3","5","7","7","1") = "6"
    & skf21("1","4","2","3","6","1","1","1") = "5"
    & skf21("1","4","2","3","6","1","2","1") = "5"
    & skf21("1","4","2","3","6","1","3","1") = "5"
    & skf21("1","4","2","3","6","1","4","1") = "5"
    & skf21("1","4","2","3","6","1","5","1") = "5"
    & skf21("1","4","2","3","6","1","6","1") = "5"
    & skf21("1","4","2","3","6","1","7","1") = "6"
    & skf21("1","4","2","3","6","2","1","1") = "5"
    & skf21("1","4","2","3","6","2","2","1") = "5"
    & skf21("1","4","2","3","6","2","3","1") = "5"
    & skf21("1","4","2","3","6","2","4","1") = "5"
    & skf21("1","4","2","3","6","2","5","1") = "5"
    & skf21("1","4","2","3","6","2","6","1") = "5"
    & skf21("1","4","2","3","6","2","7","1") = "6"
    & skf21("1","4","2","3","6","3","1","1") = "5"
    & skf21("1","4","2","3","6","3","2","1") = "5"
    & skf21("1","4","2","3","6","3","3","1") = "5"
    & skf21("1","4","2","3","6","3","4","1") = "5"
    & skf21("1","4","2","3","6","3","5","1") = "5"
    & skf21("1","4","2","3","6","3","6","1") = "5"
    & skf21("1","4","2","3","6","3","7","1") = "6"
    & skf21("1","4","2","3","6","4","1","1") = "5"
    & skf21("1","4","2","3","6","4","2","1") = "5"
    & skf21("1","4","2","3","6","4","3","1") = "5"
    & skf21("1","4","2","3","6","4","4","1") = "5"
    & skf21("1","4","2","3","6","4","5","1") = "5"
    & skf21("1","4","2","3","6","4","6","1") = "5"
    & skf21("1","4","2","3","6","4","7","1") = "6"
    & skf21("1","4","2","3","6","5","1","1") = "5"
    & skf21("1","4","2","3","6","5","2","1") = "5"
    & skf21("1","4","2","3","6","5","3","1") = "5"
    & skf21("1","4","2","3","6","5","4","1") = "5"
    & skf21("1","4","2","3","6","5","5","1") = "5"
    & skf21("1","4","2","3","6","5","6","1") = "5"
    & skf21("1","4","2","3","6","5","7","1") = "6"
    & skf21("1","4","2","3","6","6","1","1") = "5"
    & skf21("1","4","2","3","6","6","2","1") = "5"
    & skf21("1","4","2","3","6","6","3","1") = "5"
    & skf21("1","4","2","3","6","6","4","1") = "5"
    & skf21("1","4","2","3","6","6","5","1") = "5"
    & skf21("1","4","2","3","6","6","6","1") = "5"
    & skf21("1","4","2","3","6","6","7","1") = "6"
    & skf21("1","4","2","3","6","7","1","1") = "6"
    & skf21("1","4","2","3","6","7","2","1") = "6"
    & skf21("1","4","2","3","6","7","3","1") = "6"
    & skf21("1","4","2","3","6","7","4","1") = "6"
    & skf21("1","4","2","3","6","7","5","1") = "6"
    & skf21("1","4","2","3","6","7","6","1") = "6"
    & skf21("1","4","2","3","6","7","7","1") = "6"
    & skf21("1","4","2","3","7","1","1","1") = "6"
    & skf21("1","4","2","3","7","1","2","1") = "6"
    & skf21("1","4","2","3","7","1","3","1") = "6"
    & skf21("1","4","2","3","7","1","4","1") = "6"
    & skf21("1","4","2","3","7","1","5","1") = "6"
    & skf21("1","4","2","3","7","1","6","1") = "6"
    & skf21("1","4","2","3","7","1","7","1") = "6"
    & skf21("1","4","2","3","7","2","1","1") = "6"
    & skf21("1","4","2","3","7","2","2","1") = "6"
    & skf21("1","4","2","3","7","2","3","1") = "6"
    & skf21("1","4","2","3","7","2","4","1") = "6"
    & skf21("1","4","2","3","7","2","5","1") = "6"
    & skf21("1","4","2","3","7","2","6","1") = "6"
    & skf21("1","4","2","3","7","2","7","1") = "6"
    & skf21("1","4","2","3","7","3","1","1") = "6"
    & skf21("1","4","2","3","7","3","2","1") = "6"
    & skf21("1","4","2","3","7","3","3","1") = "6"
    & skf21("1","4","2","3","7","3","4","1") = "6"
    & skf21("1","4","2","3","7","3","5","1") = "6"
    & skf21("1","4","2","3","7","3","6","1") = "6"
    & skf21("1","4","2","3","7","3","7","1") = "6"
    & skf21("1","4","2","3","7","4","1","1") = "6"
    & skf21("1","4","2","3","7","4","2","1") = "6"
    & skf21("1","4","2","3","7","4","3","1") = "6"
    & skf21("1","4","2","3","7","4","4","1") = "6"
    & skf21("1","4","2","3","7","4","5","1") = "6"
    & skf21("1","4","2","3","7","4","6","1") = "6"
    & skf21("1","4","2","3","7","4","7","1") = "6"
    & skf21("1","4","2","3","7","5","1","1") = "6"
    & skf21("1","4","2","3","7","5","2","1") = "6"
    & skf21("1","4","2","3","7","5","3","1") = "6"
    & skf21("1","4","2","3","7","5","4","1") = "6"
    & skf21("1","4","2","3","7","5","5","1") = "6"
    & skf21("1","4","2","3","7","5","6","1") = "6"
    & skf21("1","4","2","3","7","5","7","1") = "6"
    & skf21("1","4","2","3","7","6","1","1") = "6"
    & skf21("1","4","2","3","7","6","2","1") = "6"
    & skf21("1","4","2","3","7","6","3","1") = "6"
    & skf21("1","4","2","3","7","6","4","1") = "6"
    & skf21("1","4","2","3","7","6","5","1") = "6"
    & skf21("1","4","2","3","7","6","6","1") = "6"
    & skf21("1","4","2","3","7","6","7","1") = "6"
    & skf21("1","4","2","3","7","7","1","1") = "6"
    & skf21("1","4","2","3","7","7","2","1") = "6"
    & skf21("1","4","2","3","7","7","3","1") = "6"
    & skf21("1","4","2","3","7","7","4","1") = "6"
    & skf21("1","4","2","3","7","7","5","1") = "6"
    & skf21("1","4","2","3","7","7","6","1") = "6"
    & skf21("1","4","2","3","7","7","7","1") = "6"
    & skf21("1","4","2","4","1","1","1","1") = "3"
    & skf21("1","4","2","4","1","1","2","1") = "3"
    & skf21("1","4","2","4","1","1","3","1") = "3"
    & skf21("1","4","2","4","1","1","4","1") = "3"
    & skf21("1","4","2","4","1","1","5","1") = "4"
    & skf21("1","4","2","4","1","1","6","1") = "5"
    & skf21("1","4","2","4","1","1","7","1") = "6"
    & skf21("1","4","2","4","1","2","1","1") = "3"
    & skf21("1","4","2","4","1","2","2","1") = "3"
    & skf21("1","4","2","4","1","2","3","1") = "3"
    & skf21("1","4","2","4","1","2","4","1") = "3"
    & skf21("1","4","2","4","1","2","5","1") = "4"
    & skf21("1","4","2","4","1","2","6","1") = "5"
    & skf21("1","4","2","4","1","2","7","1") = "6"
    & skf21("1","4","2","4","1","3","1","1") = "3"
    & skf21("1","4","2","4","1","3","2","1") = "3"
    & skf21("1","4","2","4","1","3","3","1") = "3"
    & skf21("1","4","2","4","1","3","4","1") = "3"
    & skf21("1","4","2","4","1","3","5","1") = "4"
    & skf21("1","4","2","4","1","3","6","1") = "5"
    & skf21("1","4","2","4","1","3","7","1") = "6"
    & skf21("1","4","2","4","1","4","1","1") = "3"
    & skf21("1","4","2","4","1","4","2","1") = "3"
    & skf21("1","4","2","4","1","4","3","1") = "3"
    & skf21("1","4","2","4","1","4","4","1") = "3"
    & skf21("1","4","2","4","1","4","5","1") = "4"
    & skf21("1","4","2","4","1","4","6","1") = "5"
    & skf21("1","4","2","4","1","4","7","1") = "6"
    & skf21("1","4","2","4","1","5","1","1") = "4"
    & skf21("1","4","2","4","1","5","2","1") = "4"
    & skf21("1","4","2","4","1","5","3","1") = "4"
    & skf21("1","4","2","4","1","5","4","1") = "4"
    & skf21("1","4","2","4","1","5","5","1") = "4"
    & skf21("1","4","2","4","1","5","6","1") = "5"
    & skf21("1","4","2","4","1","5","7","1") = "6"
    & skf21("1","4","2","4","1","6","1","1") = "5"
    & skf21("1","4","2","4","1","6","2","1") = "5"
    & skf21("1","4","2","4","1","6","3","1") = "5"
    & skf21("1","4","2","4","1","6","4","1") = "5"
    & skf21("1","4","2","4","1","6","5","1") = "5"
    & skf21("1","4","2","4","1","6","6","1") = "5"
    & skf21("1","4","2","4","1","6","7","1") = "6"
    & skf21("1","4","2","4","1","7","1","1") = "6"
    & skf21("1","4","2","4","1","7","2","1") = "6"
    & skf21("1","4","2","4","1","7","3","1") = "6"
    & skf21("1","4","2","4","1","7","4","1") = "6"
    & skf21("1","4","2","4","1","7","5","1") = "6"
    & skf21("1","4","2","4","1","7","6","1") = "6"
    & skf21("1","4","2","4","1","7","7","1") = "6"
    & skf21("1","4","2","4","2","1","1","1") = "3"
    & skf21("1","4","2","4","2","1","2","1") = "3"
    & skf21("1","4","2","4","2","1","3","1") = "3"
    & skf21("1","4","2","4","2","1","4","1") = "3"
    & skf21("1","4","2","4","2","1","5","1") = "4"
    & skf21("1","4","2","4","2","1","6","1") = "5"
    & skf21("1","4","2","4","2","1","7","1") = "6"
    & skf21("1","4","2","4","2","2","1","1") = "3"
    & skf21("1","4","2","4","2","2","2","1") = "3"
    & skf21("1","4","2","4","2","2","3","1") = "3"
    & skf21("1","4","2","4","2","2","4","1") = "3"
    & skf21("1","4","2","4","2","2","5","1") = "4"
    & skf21("1","4","2","4","2","2","6","1") = "5"
    & skf21("1","4","2","4","2","2","7","1") = "6"
    & skf21("1","4","2","4","2","3","1","1") = "3"
    & skf21("1","4","2","4","2","3","2","1") = "3"
    & skf21("1","4","2","4","2","3","3","1") = "3"
    & skf21("1","4","2","4","2","3","4","1") = "3"
    & skf21("1","4","2","4","2","3","5","1") = "4"
    & skf21("1","4","2","4","2","3","6","1") = "5"
    & skf21("1","4","2","4","2","3","7","1") = "6"
    & skf21("1","4","2","4","2","4","1","1") = "3"
    & skf21("1","4","2","4","2","4","2","1") = "3"
    & skf21("1","4","2","4","2","4","3","1") = "3"
    & skf21("1","4","2","4","2","4","4","1") = "3"
    & skf21("1","4","2","4","2","4","5","1") = "4"
    & skf21("1","4","2","4","2","4","6","1") = "5"
    & skf21("1","4","2","4","2","4","7","1") = "6"
    & skf21("1","4","2","4","2","5","1","1") = "4"
    & skf21("1","4","2","4","2","5","2","1") = "4"
    & skf21("1","4","2","4","2","5","3","1") = "4"
    & skf21("1","4","2","4","2","5","4","1") = "4"
    & skf21("1","4","2","4","2","5","5","1") = "4"
    & skf21("1","4","2","4","2","5","6","1") = "5"
    & skf21("1","4","2","4","2","5","7","1") = "6"
    & skf21("1","4","2","4","2","6","1","1") = "5"
    & skf21("1","4","2","4","2","6","2","1") = "5"
    & skf21("1","4","2","4","2","6","3","1") = "5"
    & skf21("1","4","2","4","2","6","4","1") = "5"
    & skf21("1","4","2","4","2","6","5","1") = "5"
    & skf21("1","4","2","4","2","6","6","1") = "5"
    & skf21("1","4","2","4","2","6","7","1") = "6"
    & skf21("1","4","2","4","2","7","1","1") = "6"
    & skf21("1","4","2","4","2","7","2","1") = "6"
    & skf21("1","4","2","4","2","7","3","1") = "6"
    & skf21("1","4","2","4","2","7","4","1") = "6"
    & skf21("1","4","2","4","2","7","5","1") = "6"
    & skf21("1","4","2","4","2","7","6","1") = "6"
    & skf21("1","4","2","4","2","7","7","1") = "6"
    & skf21("1","4","2","4","3","1","1","1") = "3"
    & skf21("1","4","2","4","3","1","2","1") = "3"
    & skf21("1","4","2","4","3","1","3","1") = "3"
    & skf21("1","4","2","4","3","1","4","1") = "3"
    & skf21("1","4","2","4","3","1","5","1") = "4"
    & skf21("1","4","2","4","3","1","6","1") = "5"
    & skf21("1","4","2","4","3","1","7","1") = "6"
    & skf21("1","4","2","4","3","2","1","1") = "3"
    & skf21("1","4","2","4","3","2","2","1") = "3"
    & skf21("1","4","2","4","3","2","3","1") = "3"
    & skf21("1","4","2","4","3","2","4","1") = "3"
    & skf21("1","4","2","4","3","2","5","1") = "4"
    & skf21("1","4","2","4","3","2","6","1") = "5"
    & skf21("1","4","2","4","3","2","7","1") = "6"
    & skf21("1","4","2","4","3","3","1","1") = "3"
    & skf21("1","4","2","4","3","3","2","1") = "3"
    & skf21("1","4","2","4","3","3","3","1") = "3"
    & skf21("1","4","2","4","3","3","4","1") = "3"
    & skf21("1","4","2","4","3","3","5","1") = "4"
    & skf21("1","4","2","4","3","3","6","1") = "5"
    & skf21("1","4","2","4","3","3","7","1") = "6"
    & skf21("1","4","2","4","3","4","1","1") = "3"
    & skf21("1","4","2","4","3","4","2","1") = "3"
    & skf21("1","4","2","4","3","4","3","1") = "3"
    & skf21("1","4","2","4","3","4","4","1") = "3"
    & skf21("1","4","2","4","3","4","5","1") = "4"
    & skf21("1","4","2","4","3","4","6","1") = "5"
    & skf21("1","4","2","4","3","4","7","1") = "6"
    & skf21("1","4","2","4","3","5","1","1") = "4"
    & skf21("1","4","2","4","3","5","2","1") = "4"
    & skf21("1","4","2","4","3","5","3","1") = "4"
    & skf21("1","4","2","4","3","5","4","1") = "4"
    & skf21("1","4","2","4","3","5","5","1") = "4"
    & skf21("1","4","2","4","3","5","6","1") = "5"
    & skf21("1","4","2","4","3","5","7","1") = "6"
    & skf21("1","4","2","4","3","6","1","1") = "5"
    & skf21("1","4","2","4","3","6","2","1") = "5"
    & skf21("1","4","2","4","3","6","3","1") = "5"
    & skf21("1","4","2","4","3","6","4","1") = "5"
    & skf21("1","4","2","4","3","6","5","1") = "5"
    & skf21("1","4","2","4","3","6","6","1") = "5"
    & skf21("1","4","2","4","3","6","7","1") = "6"
    & skf21("1","4","2","4","3","7","1","1") = "6"
    & skf21("1","4","2","4","3","7","2","1") = "6"
    & skf21("1","4","2","4","3","7","3","1") = "6"
    & skf21("1","4","2","4","3","7","4","1") = "6"
    & skf21("1","4","2","4","3","7","5","1") = "6"
    & skf21("1","4","2","4","3","7","6","1") = "6"
    & skf21("1","4","2","4","3","7","7","1") = "6"
    & skf21("1","4","2","4","4","1","1","1") = "3"
    & skf21("1","4","2","4","4","1","2","1") = "3"
    & skf21("1","4","2","4","4","1","3","1") = "3"
    & skf21("1","4","2","4","4","1","4","1") = "3"
    & skf21("1","4","2","4","4","1","5","1") = "4"
    & skf21("1","4","2","4","4","1","6","1") = "5"
    & skf21("1","4","2","4","4","1","7","1") = "6"
    & skf21("1","4","2","4","4","2","1","1") = "3"
    & skf21("1","4","2","4","4","2","2","1") = "3"
    & skf21("1","4","2","4","4","2","3","1") = "3"
    & skf21("1","4","2","4","4","2","4","1") = "3"
    & skf21("1","4","2","4","4","2","5","1") = "4"
    & skf21("1","4","2","4","4","2","6","1") = "5"
    & skf21("1","4","2","4","4","2","7","1") = "6"
    & skf21("1","4","2","4","4","3","1","1") = "3"
    & skf21("1","4","2","4","4","3","2","1") = "3"
    & skf21("1","4","2","4","4","3","3","1") = "3"
    & skf21("1","4","2","4","4","3","4","1") = "3"
    & skf21("1","4","2","4","4","3","5","1") = "4"
    & skf21("1","4","2","4","4","3","6","1") = "5"
    & skf21("1","4","2","4","4","3","7","1") = "6"
    & skf21("1","4","2","4","4","4","1","1") = "3"
    & skf21("1","4","2","4","4","4","2","1") = "3"
    & skf21("1","4","2","4","4","4","3","1") = "3"
    & skf21("1","4","2","4","4","4","4","1") = "3"
    & skf21("1","4","2","4","4","4","5","1") = "4"
    & skf21("1","4","2","4","4","4","6","1") = "5"
    & skf21("1","4","2","4","4","4","7","1") = "6"
    & skf21("1","4","2","4","4","5","1","1") = "4"
    & skf21("1","4","2","4","4","5","2","1") = "4"
    & skf21("1","4","2","4","4","5","3","1") = "4"
    & skf21("1","4","2","4","4","5","4","1") = "4"
    & skf21("1","4","2","4","4","5","5","1") = "4"
    & skf21("1","4","2","4","4","5","6","1") = "5"
    & skf21("1","4","2","4","4","5","7","1") = "6"
    & skf21("1","4","2","4","4","6","1","1") = "5"
    & skf21("1","4","2","4","4","6","2","1") = "5"
    & skf21("1","4","2","4","4","6","3","1") = "5"
    & skf21("1","4","2","4","4","6","4","1") = "5"
    & skf21("1","4","2","4","4","6","5","1") = "5"
    & skf21("1","4","2","4","4","6","6","1") = "5"
    & skf21("1","4","2","4","4","6","7","1") = "6"
    & skf21("1","4","2","4","4","7","1","1") = "6"
    & skf21("1","4","2","4","4","7","2","1") = "6"
    & skf21("1","4","2","4","4","7","3","1") = "6"
    & skf21("1","4","2","4","4","7","4","1") = "6"
    & skf21("1","4","2","4","4","7","5","1") = "6"
    & skf21("1","4","2","4","4","7","6","1") = "6"
    & skf21("1","4","2","4","4","7","7","1") = "6"
    & skf21("1","4","2","4","5","1","1","1") = "4"
    & skf21("1","4","2","4","5","1","2","1") = "4"
    & skf21("1","4","2","4","5","1","3","1") = "4"
    & skf21("1","4","2","4","5","1","4","1") = "4"
    & skf21("1","4","2","4","5","1","5","1") = "4"
    & skf21("1","4","2","4","5","1","6","1") = "5"
    & skf21("1","4","2","4","5","1","7","1") = "6"
    & skf21("1","4","2","4","5","2","1","1") = "4"
    & skf21("1","4","2","4","5","2","2","1") = "4"
    & skf21("1","4","2","4","5","2","3","1") = "4"
    & skf21("1","4","2","4","5","2","4","1") = "4"
    & skf21("1","4","2","4","5","2","5","1") = "4"
    & skf21("1","4","2","4","5","2","6","1") = "5"
    & skf21("1","4","2","4","5","2","7","1") = "6"
    & skf21("1","4","2","4","5","3","1","1") = "4"
    & skf21("1","4","2","4","5","3","2","1") = "4"
    & skf21("1","4","2","4","5","3","3","1") = "4"
    & skf21("1","4","2","4","5","3","4","1") = "4"
    & skf21("1","4","2","4","5","3","5","1") = "4"
    & skf21("1","4","2","4","5","3","6","1") = "5"
    & skf21("1","4","2","4","5","3","7","1") = "6"
    & skf21("1","4","2","4","5","4","1","1") = "4"
    & skf21("1","4","2","4","5","4","2","1") = "4"
    & skf21("1","4","2","4","5","4","3","1") = "4"
    & skf21("1","4","2","4","5","4","4","1") = "4"
    & skf21("1","4","2","4","5","4","5","1") = "4"
    & skf21("1","4","2","4","5","4","6","1") = "5"
    & skf21("1","4","2","4","5","4","7","1") = "6"
    & skf21("1","4","2","4","5","5","1","1") = "4"
    & skf21("1","4","2","4","5","5","2","1") = "4"
    & skf21("1","4","2","4","5","5","3","1") = "4"
    & skf21("1","4","2","4","5","5","4","1") = "4"
    & skf21("1","4","2","4","5","5","5","1") = "4"
    & skf21("1","4","2","4","5","5","6","1") = "5"
    & skf21("1","4","2","4","5","5","7","1") = "6"
    & skf21("1","4","2","4","5","6","1","1") = "5"
    & skf21("1","4","2","4","5","6","2","1") = "5"
    & skf21("1","4","2","4","5","6","3","1") = "5"
    & skf21("1","4","2","4","5","6","4","1") = "5"
    & skf21("1","4","2","4","5","6","5","1") = "5"
    & skf21("1","4","2","4","5","6","6","1") = "5"
    & skf21("1","4","2","4","5","6","7","1") = "6"
    & skf21("1","4","2","4","5","7","1","1") = "6"
    & skf21("1","4","2","4","5","7","2","1") = "6"
    & skf21("1","4","2","4","5","7","3","1") = "6"
    & skf21("1","4","2","4","5","7","4","1") = "6"
    & skf21("1","4","2","4","5","7","5","1") = "6"
    & skf21("1","4","2","4","5","7","6","1") = "6"
    & skf21("1","4","2","4","5","7","7","1") = "6"
    & skf21("1","4","2","4","6","1","1","1") = "5"
    & skf21("1","4","2","4","6","1","2","1") = "5"
    & skf21("1","4","2","4","6","1","3","1") = "5"
    & skf21("1","4","2","4","6","1","4","1") = "5"
    & skf21("1","4","2","4","6","1","5","1") = "5"
    & skf21("1","4","2","4","6","1","6","1") = "5"
    & skf21("1","4","2","4","6","1","7","1") = "6"
    & skf21("1","4","2","4","6","2","1","1") = "5"
    & skf21("1","4","2","4","6","2","2","1") = "5"
    & skf21("1","4","2","4","6","2","3","1") = "5"
    & skf21("1","4","2","4","6","2","4","1") = "5"
    & skf21("1","4","2","4","6","2","5","1") = "5"
    & skf21("1","4","2","4","6","2","6","1") = "5"
    & skf21("1","4","2","4","6","2","7","1") = "6"
    & skf21("1","4","2","4","6","3","1","1") = "5"
    & skf21("1","4","2","4","6","3","2","1") = "5"
    & skf21("1","4","2","4","6","3","3","1") = "5"
    & skf21("1","4","2","4","6","3","4","1") = "5"
    & skf21("1","4","2","4","6","3","5","1") = "5"
    & skf21("1","4","2","4","6","3","6","1") = "5"
    & skf21("1","4","2","4","6","3","7","1") = "6"
    & skf21("1","4","2","4","6","4","1","1") = "5"
    & skf21("1","4","2","4","6","4","2","1") = "5"
    & skf21("1","4","2","4","6","4","3","1") = "5"
    & skf21("1","4","2","4","6","4","4","1") = "5"
    & skf21("1","4","2","4","6","4","5","1") = "5"
    & skf21("1","4","2","4","6","4","6","1") = "5"
    & skf21("1","4","2","4","6","4","7","1") = "6"
    & skf21("1","4","2","4","6","5","1","1") = "5"
    & skf21("1","4","2","4","6","5","2","1") = "5"
    & skf21("1","4","2","4","6","5","3","1") = "5"
    & skf21("1","4","2","4","6","5","4","1") = "5"
    & skf21("1","4","2","4","6","5","5","1") = "5"
    & skf21("1","4","2","4","6","5","6","1") = "5"
    & skf21("1","4","2","4","6","5","7","1") = "6"
    & skf21("1","4","2","4","6","6","1","1") = "5"
    & skf21("1","4","2","4","6","6","2","1") = "5"
    & skf21("1","4","2","4","6","6","3","1") = "5"
    & skf21("1","4","2","4","6","6","4","1") = "5"
    & skf21("1","4","2","4","6","6","5","1") = "5"
    & skf21("1","4","2","4","6","6","6","1") = "5"
    & skf21("1","4","2","4","6","6","7","1") = "6"
    & skf21("1","4","2","4","6","7","1","1") = "6"
    & skf21("1","4","2","4","6","7","2","1") = "6"
    & skf21("1","4","2","4","6","7","3","1") = "6"
    & skf21("1","4","2","4","6","7","4","1") = "6"
    & skf21("1","4","2","4","6","7","5","1") = "6"
    & skf21("1","4","2","4","6","7","6","1") = "6"
    & skf21("1","4","2","4","6","7","7","1") = "6"
    & skf21("1","4","2","4","7","1","1","1") = "6"
    & skf21("1","4","2","4","7","1","2","1") = "6"
    & skf21("1","4","2","4","7","1","3","1") = "6"
    & skf21("1","4","2","4","7","1","4","1") = "6"
    & skf21("1","4","2","4","7","1","5","1") = "6"
    & skf21("1","4","2","4","7","1","6","1") = "6"
    & skf21("1","4","2","4","7","1","7","1") = "6"
    & skf21("1","4","2","4","7","2","1","1") = "6"
    & skf21("1","4","2","4","7","2","2","1") = "6"
    & skf21("1","4","2","4","7","2","3","1") = "6"
    & skf21("1","4","2","4","7","2","4","1") = "6"
    & skf21("1","4","2","4","7","2","5","1") = "6"
    & skf21("1","4","2","4","7","2","6","1") = "6"
    & skf21("1","4","2","4","7","2","7","1") = "6"
    & skf21("1","4","2","4","7","3","1","1") = "6"
    & skf21("1","4","2","4","7","3","2","1") = "6"
    & skf21("1","4","2","4","7","3","3","1") = "6"
    & skf21("1","4","2","4","7","3","4","1") = "6"
    & skf21("1","4","2","4","7","3","5","1") = "6"
    & skf21("1","4","2","4","7","3","6","1") = "6"
    & skf21("1","4","2","4","7","3","7","1") = "6"
    & skf21("1","4","2","4","7","4","1","1") = "6"
    & skf21("1","4","2","4","7","4","2","1") = "6"
    & skf21("1","4","2","4","7","4","3","1") = "6"
    & skf21("1","4","2","4","7","4","4","1") = "6"
    & skf21("1","4","2","4","7","4","5","1") = "6"
    & skf21("1","4","2","4","7","4","6","1") = "6"
    & skf21("1","4","2","4","7","4","7","1") = "6"
    & skf21("1","4","2","4","7","5","1","1") = "6"
    & skf21("1","4","2","4","7","5","2","1") = "6"
    & skf21("1","4","2","4","7","5","3","1") = "6"
    & skf21("1","4","2","4","7","5","4","1") = "6"
    & skf21("1","4","2","4","7","5","5","1") = "6"
    & skf21("1","4","2","4","7","5","6","1") = "6"
    & skf21("1","4","2","4","7","5","7","1") = "6"
    & skf21("1","4","2","4","7","6","1","1") = "6"
    & skf21("1","4","2","4","7","6","2","1") = "6"
    & skf21("1","4","2","4","7","6","3","1") = "6"
    & skf21("1","4","2","4","7","6","4","1") = "6"
    & skf21("1","4","2","4","7","6","5","1") = "6"
    & skf21("1","4","2","4","7","6","6","1") = "6"
    & skf21("1","4","2","4","7","6","7","1") = "6"
    & skf21("1","4","2","4","7","7","1","1") = "6"
    & skf21("1","4","2","4","7","7","2","1") = "6"
    & skf21("1","4","2","4","7","7","3","1") = "6"
    & skf21("1","4","2","4","7","7","4","1") = "6"
    & skf21("1","4","2","4","7","7","5","1") = "6"
    & skf21("1","4","2","4","7","7","6","1") = "6"
    & skf21("1","4","2","4","7","7","7","1") = "6"
    & skf21("1","4","2","5","1","1","1","1") = "4"
    & skf21("1","4","2","5","1","1","2","1") = "4"
    & skf21("1","4","2","5","1","1","3","1") = "4"
    & skf21("1","4","2","5","1","1","4","1") = "4"
    & skf21("1","4","2","5","1","1","5","1") = "4"
    & skf21("1","4","2","5","1","1","6","1") = "5"
    & skf21("1","4","2","5","1","1","7","1") = "6"
    & skf21("1","4","2","5","1","2","1","1") = "4"
    & skf21("1","4","2","5","1","2","2","1") = "4"
    & skf21("1","4","2","5","1","2","3","1") = "4"
    & skf21("1","4","2","5","1","2","4","1") = "4"
    & skf21("1","4","2","5","1","2","5","1") = "4"
    & skf21("1","4","2","5","1","2","6","1") = "5"
    & skf21("1","4","2","5","1","2","7","1") = "6"
    & skf21("1","4","2","5","1","3","1","1") = "4"
    & skf21("1","4","2","5","1","3","2","1") = "4"
    & skf21("1","4","2","5","1","3","3","1") = "4"
    & skf21("1","4","2","5","1","3","4","1") = "4"
    & skf21("1","4","2","5","1","3","5","1") = "4"
    & skf21("1","4","2","5","1","3","6","1") = "5"
    & skf21("1","4","2","5","1","3","7","1") = "6"
    & skf21("1","4","2","5","1","4","1","1") = "4"
    & skf21("1","4","2","5","1","4","2","1") = "4"
    & skf21("1","4","2","5","1","4","3","1") = "4"
    & skf21("1","4","2","5","1","4","4","1") = "4"
    & skf21("1","4","2","5","1","4","5","1") = "4"
    & skf21("1","4","2","5","1","4","6","1") = "5"
    & skf21("1","4","2","5","1","4","7","1") = "6"
    & skf21("1","4","2","5","1","5","1","1") = "4"
    & skf21("1","4","2","5","1","5","2","1") = "4"
    & skf21("1","4","2","5","1","5","3","1") = "4"
    & skf21("1","4","2","5","1","5","4","1") = "4"
    & skf21("1","4","2","5","1","5","5","1") = "4"
    & skf21("1","4","2","5","1","5","6","1") = "5"
    & skf21("1","4","2","5","1","5","7","1") = "6"
    & skf21("1","4","2","5","1","6","1","1") = "5"
    & skf21("1","4","2","5","1","6","2","1") = "5"
    & skf21("1","4","2","5","1","6","3","1") = "5"
    & skf21("1","4","2","5","1","6","4","1") = "5"
    & skf21("1","4","2","5","1","6","5","1") = "5"
    & skf21("1","4","2","5","1","6","6","1") = "5"
    & skf21("1","4","2","5","1","6","7","1") = "6"
    & skf21("1","4","2","5","1","7","1","1") = "6"
    & skf21("1","4","2","5","1","7","2","1") = "6"
    & skf21("1","4","2","5","1","7","3","1") = "6"
    & skf21("1","4","2","5","1","7","4","1") = "6"
    & skf21("1","4","2","5","1","7","5","1") = "6"
    & skf21("1","4","2","5","1","7","6","1") = "6"
    & skf21("1","4","2","5","1","7","7","1") = "6"
    & skf21("1","4","2","5","2","1","1","1") = "4"
    & skf21("1","4","2","5","2","1","2","1") = "4"
    & skf21("1","4","2","5","2","1","3","1") = "4"
    & skf21("1","4","2","5","2","1","4","1") = "4"
    & skf21("1","4","2","5","2","1","5","1") = "4"
    & skf21("1","4","2","5","2","1","6","1") = "5"
    & skf21("1","4","2","5","2","1","7","1") = "6"
    & skf21("1","4","2","5","2","2","1","1") = "4"
    & skf21("1","4","2","5","2","2","2","1") = "4"
    & skf21("1","4","2","5","2","2","3","1") = "4"
    & skf21("1","4","2","5","2","2","4","1") = "4"
    & skf21("1","4","2","5","2","2","5","1") = "4"
    & skf21("1","4","2","5","2","2","6","1") = "5"
    & skf21("1","4","2","5","2","2","7","1") = "6"
    & skf21("1","4","2","5","2","3","1","1") = "4"
    & skf21("1","4","2","5","2","3","2","1") = "4"
    & skf21("1","4","2","5","2","3","3","1") = "4"
    & skf21("1","4","2","5","2","3","4","1") = "4"
    & skf21("1","4","2","5","2","3","5","1") = "4"
    & skf21("1","4","2","5","2","3","6","1") = "5"
    & skf21("1","4","2","5","2","3","7","1") = "6"
    & skf21("1","4","2","5","2","4","1","1") = "4"
    & skf21("1","4","2","5","2","4","2","1") = "4"
    & skf21("1","4","2","5","2","4","3","1") = "4"
    & skf21("1","4","2","5","2","4","4","1") = "4"
    & skf21("1","4","2","5","2","4","5","1") = "4"
    & skf21("1","4","2","5","2","4","6","1") = "5"
    & skf21("1","4","2","5","2","4","7","1") = "6"
    & skf21("1","4","2","5","2","5","1","1") = "4"
    & skf21("1","4","2","5","2","5","2","1") = "4"
    & skf21("1","4","2","5","2","5","3","1") = "4"
    & skf21("1","4","2","5","2","5","4","1") = "4"
    & skf21("1","4","2","5","2","5","5","1") = "4"
    & skf21("1","4","2","5","2","5","6","1") = "5"
    & skf21("1","4","2","5","2","5","7","1") = "6"
    & skf21("1","4","2","5","2","6","1","1") = "5"
    & skf21("1","4","2","5","2","6","2","1") = "5"
    & skf21("1","4","2","5","2","6","3","1") = "5"
    & skf21("1","4","2","5","2","6","4","1") = "5"
    & skf21("1","4","2","5","2","6","5","1") = "5"
    & skf21("1","4","2","5","2","6","6","1") = "5"
    & skf21("1","4","2","5","2","6","7","1") = "6"
    & skf21("1","4","2","5","2","7","1","1") = "6"
    & skf21("1","4","2","5","2","7","2","1") = "6"
    & skf21("1","4","2","5","2","7","3","1") = "6"
    & skf21("1","4","2","5","2","7","4","1") = "6"
    & skf21("1","4","2","5","2","7","5","1") = "6"
    & skf21("1","4","2","5","2","7","6","1") = "6"
    & skf21("1","4","2","5","2","7","7","1") = "6"
    & skf21("1","4","2","5","3","1","1","1") = "4"
    & skf21("1","4","2","5","3","1","2","1") = "4"
    & skf21("1","4","2","5","3","1","3","1") = "4"
    & skf21("1","4","2","5","3","1","4","1") = "4"
    & skf21("1","4","2","5","3","1","5","1") = "4"
    & skf21("1","4","2","5","3","1","6","1") = "5"
    & skf21("1","4","2","5","3","1","7","1") = "6"
    & skf21("1","4","2","5","3","2","1","1") = "4"
    & skf21("1","4","2","5","3","2","2","1") = "4"
    & skf21("1","4","2","5","3","2","3","1") = "4"
    & skf21("1","4","2","5","3","2","4","1") = "4"
    & skf21("1","4","2","5","3","2","5","1") = "4"
    & skf21("1","4","2","5","3","2","6","1") = "5"
    & skf21("1","4","2","5","3","2","7","1") = "6"
    & skf21("1","4","2","5","3","3","1","1") = "4"
    & skf21("1","4","2","5","3","3","2","1") = "4"
    & skf21("1","4","2","5","3","3","3","1") = "4"
    & skf21("1","4","2","5","3","3","4","1") = "4"
    & skf21("1","4","2","5","3","3","5","1") = "4"
    & skf21("1","4","2","5","3","3","6","1") = "5"
    & skf21("1","4","2","5","3","3","7","1") = "6"
    & skf21("1","4","2","5","3","4","1","1") = "4"
    & skf21("1","4","2","5","3","4","2","1") = "4"
    & skf21("1","4","2","5","3","4","3","1") = "4"
    & skf21("1","4","2","5","3","4","4","1") = "4"
    & skf21("1","4","2","5","3","4","5","1") = "4"
    & skf21("1","4","2","5","3","4","6","1") = "5"
    & skf21("1","4","2","5","3","4","7","1") = "6"
    & skf21("1","4","2","5","3","5","1","1") = "4"
    & skf21("1","4","2","5","3","5","2","1") = "4"
    & skf21("1","4","2","5","3","5","3","1") = "4"
    & skf21("1","4","2","5","3","5","4","1") = "4"
    & skf21("1","4","2","5","3","5","5","1") = "4"
    & skf21("1","4","2","5","3","5","6","1") = "5"
    & skf21("1","4","2","5","3","5","7","1") = "6"
    & skf21("1","4","2","5","3","6","1","1") = "5"
    & skf21("1","4","2","5","3","6","2","1") = "5"
    & skf21("1","4","2","5","3","6","3","1") = "5"
    & skf21("1","4","2","5","3","6","4","1") = "5"
    & skf21("1","4","2","5","3","6","5","1") = "5"
    & skf21("1","4","2","5","3","6","6","1") = "5"
    & skf21("1","4","2","5","3","6","7","1") = "6"
    & skf21("1","4","2","5","3","7","1","1") = "6"
    & skf21("1","4","2","5","3","7","2","1") = "6"
    & skf21("1","4","2","5","3","7","3","1") = "6"
    & skf21("1","4","2","5","3","7","4","1") = "6"
    & skf21("1","4","2","5","3","7","5","1") = "6"
    & skf21("1","4","2","5","3","7","6","1") = "6"
    & skf21("1","4","2","5","3","7","7","1") = "6"
    & skf21("1","4","2","5","4","1","1","1") = "4"
    & skf21("1","4","2","5","4","1","2","1") = "4"
    & skf21("1","4","2","5","4","1","3","1") = "4"
    & skf21("1","4","2","5","4","1","4","1") = "4"
    & skf21("1","4","2","5","4","1","5","1") = "4"
    & skf21("1","4","2","5","4","1","6","1") = "5"
    & skf21("1","4","2","5","4","1","7","1") = "6"
    & skf21("1","4","2","5","4","2","1","1") = "4"
    & skf21("1","4","2","5","4","2","2","1") = "4"
    & skf21("1","4","2","5","4","2","3","1") = "4"
    & skf21("1","4","2","5","4","2","4","1") = "4"
    & skf21("1","4","2","5","4","2","5","1") = "4"
    & skf21("1","4","2","5","4","2","6","1") = "5"
    & skf21("1","4","2","5","4","2","7","1") = "6"
    & skf21("1","4","2","5","4","3","1","1") = "4"
    & skf21("1","4","2","5","4","3","2","1") = "4"
    & skf21("1","4","2","5","4","3","3","1") = "4"
    & skf21("1","4","2","5","4","3","4","1") = "4"
    & skf21("1","4","2","5","4","3","5","1") = "4"
    & skf21("1","4","2","5","4","3","6","1") = "5"
    & skf21("1","4","2","5","4","3","7","1") = "6"
    & skf21("1","4","2","5","4","4","1","1") = "4"
    & skf21("1","4","2","5","4","4","2","1") = "4"
    & skf21("1","4","2","5","4","4","3","1") = "4"
    & skf21("1","4","2","5","4","4","4","1") = "4"
    & skf21("1","4","2","5","4","4","5","1") = "4"
    & skf21("1","4","2","5","4","4","6","1") = "5"
    & skf21("1","4","2","5","4","4","7","1") = "6"
    & skf21("1","4","2","5","4","5","1","1") = "4"
    & skf21("1","4","2","5","4","5","2","1") = "4"
    & skf21("1","4","2","5","4","5","3","1") = "4"
    & skf21("1","4","2","5","4","5","4","1") = "4"
    & skf21("1","4","2","5","4","5","5","1") = "4"
    & skf21("1","4","2","5","4","5","6","1") = "5"
    & skf21("1","4","2","5","4","5","7","1") = "6"
    & skf21("1","4","2","5","4","6","1","1") = "5"
    & skf21("1","4","2","5","4","6","2","1") = "5"
    & skf21("1","4","2","5","4","6","3","1") = "5"
    & skf21("1","4","2","5","4","6","4","1") = "5"
    & skf21("1","4","2","5","4","6","5","1") = "5"
    & skf21("1","4","2","5","4","6","6","1") = "5"
    & skf21("1","4","2","5","4","6","7","1") = "6"
    & skf21("1","4","2","5","4","7","1","1") = "6"
    & skf21("1","4","2","5","4","7","2","1") = "6"
    & skf21("1","4","2","5","4","7","3","1") = "6"
    & skf21("1","4","2","5","4","7","4","1") = "6"
    & skf21("1","4","2","5","4","7","5","1") = "6"
    & skf21("1","4","2","5","4","7","6","1") = "6"
    & skf21("1","4","2","5","4","7","7","1") = "6"
    & skf21("1","4","2","5","5","1","1","1") = "4"
    & skf21("1","4","2","5","5","1","2","1") = "4"
    & skf21("1","4","2","5","5","1","3","1") = "4"
    & skf21("1","4","2","5","5","1","4","1") = "4"
    & skf21("1","4","2","5","5","1","5","1") = "4"
    & skf21("1","4","2","5","5","1","6","1") = "5"
    & skf21("1","4","2","5","5","1","7","1") = "6"
    & skf21("1","4","2","5","5","2","1","1") = "4"
    & skf21("1","4","2","5","5","2","2","1") = "4"
    & skf21("1","4","2","5","5","2","3","1") = "4"
    & skf21("1","4","2","5","5","2","4","1") = "4"
    & skf21("1","4","2","5","5","2","5","1") = "4"
    & skf21("1","4","2","5","5","2","6","1") = "5"
    & skf21("1","4","2","5","5","2","7","1") = "6"
    & skf21("1","4","2","5","5","3","1","1") = "4"
    & skf21("1","4","2","5","5","3","2","1") = "4"
    & skf21("1","4","2","5","5","3","3","1") = "4"
    & skf21("1","4","2","5","5","3","4","1") = "4"
    & skf21("1","4","2","5","5","3","5","1") = "4"
    & skf21("1","4","2","5","5","3","6","1") = "5"
    & skf21("1","4","2","5","5","3","7","1") = "6"
    & skf21("1","4","2","5","5","4","1","1") = "4"
    & skf21("1","4","2","5","5","4","2","1") = "4"
    & skf21("1","4","2","5","5","4","3","1") = "4"
    & skf21("1","4","2","5","5","4","4","1") = "4"
    & skf21("1","4","2","5","5","4","5","1") = "4"
    & skf21("1","4","2","5","5","4","6","1") = "5"
    & skf21("1","4","2","5","5","4","7","1") = "6"
    & skf21("1","4","2","5","5","5","1","1") = "4"
    & skf21("1","4","2","5","5","5","2","1") = "4"
    & skf21("1","4","2","5","5","5","3","1") = "4"
    & skf21("1","4","2","5","5","5","4","1") = "4"
    & skf21("1","4","2","5","5","5","5","1") = "4"
    & skf21("1","4","2","5","5","5","6","1") = "5"
    & skf21("1","4","2","5","5","5","7","1") = "6"
    & skf21("1","4","2","5","5","6","1","1") = "5"
    & skf21("1","4","2","5","5","6","2","1") = "5"
    & skf21("1","4","2","5","5","6","3","1") = "5"
    & skf21("1","4","2","5","5","6","4","1") = "5"
    & skf21("1","4","2","5","5","6","5","1") = "5"
    & skf21("1","4","2","5","5","6","6","1") = "5"
    & skf21("1","4","2","5","5","6","7","1") = "6"
    & skf21("1","4","2","5","5","7","1","1") = "6"
    & skf21("1","4","2","5","5","7","2","1") = "6"
    & skf21("1","4","2","5","5","7","3","1") = "6"
    & skf21("1","4","2","5","5","7","4","1") = "6"
    & skf21("1","4","2","5","5","7","5","1") = "6"
    & skf21("1","4","2","5","5","7","6","1") = "6"
    & skf21("1","4","2","5","5","7","7","1") = "6"
    & skf21("1","4","2","5","6","1","1","1") = "5"
    & skf21("1","4","2","5","6","1","2","1") = "5"
    & skf21("1","4","2","5","6","1","3","1") = "5"
    & skf21("1","4","2","5","6","1","4","1") = "5"
    & skf21("1","4","2","5","6","1","5","1") = "5"
    & skf21("1","4","2","5","6","1","6","1") = "5"
    & skf21("1","4","2","5","6","1","7","1") = "6"
    & skf21("1","4","2","5","6","2","1","1") = "5"
    & skf21("1","4","2","5","6","2","2","1") = "5"
    & skf21("1","4","2","5","6","2","3","1") = "5"
    & skf21("1","4","2","5","6","2","4","1") = "5"
    & skf21("1","4","2","5","6","2","5","1") = "5"
    & skf21("1","4","2","5","6","2","6","1") = "5"
    & skf21("1","4","2","5","6","2","7","1") = "6"
    & skf21("1","4","2","5","6","3","1","1") = "5"
    & skf21("1","4","2","5","6","3","2","1") = "5"
    & skf21("1","4","2","5","6","3","3","1") = "5"
    & skf21("1","4","2","5","6","3","4","1") = "5"
    & skf21("1","4","2","5","6","3","5","1") = "5"
    & skf21("1","4","2","5","6","3","6","1") = "5"
    & skf21("1","4","2","5","6","3","7","1") = "6"
    & skf21("1","4","2","5","6","4","1","1") = "5"
    & skf21("1","4","2","5","6","4","2","1") = "5"
    & skf21("1","4","2","5","6","4","3","1") = "5"
    & skf21("1","4","2","5","6","4","4","1") = "5"
    & skf21("1","4","2","5","6","4","5","1") = "5"
    & skf21("1","4","2","5","6","4","6","1") = "5"
    & skf21("1","4","2","5","6","4","7","1") = "6"
    & skf21("1","4","2","5","6","5","1","1") = "5"
    & skf21("1","4","2","5","6","5","2","1") = "5"
    & skf21("1","4","2","5","6","5","3","1") = "5"
    & skf21("1","4","2","5","6","5","4","1") = "5"
    & skf21("1","4","2","5","6","5","5","1") = "5"
    & skf21("1","4","2","5","6","5","6","1") = "5"
    & skf21("1","4","2","5","6","5","7","1") = "6"
    & skf21("1","4","2","5","6","6","1","1") = "5"
    & skf21("1","4","2","5","6","6","2","1") = "5"
    & skf21("1","4","2","5","6","6","3","1") = "5"
    & skf21("1","4","2","5","6","6","4","1") = "5"
    & skf21("1","4","2","5","6","6","5","1") = "5"
    & skf21("1","4","2","5","6","6","6","1") = "5"
    & skf21("1","4","2","5","6","6","7","1") = "6"
    & skf21("1","4","2","5","6","7","1","1") = "6"
    & skf21("1","4","2","5","6","7","2","1") = "6"
    & skf21("1","4","2","5","6","7","3","1") = "6"
    & skf21("1","4","2","5","6","7","4","1") = "6"
    & skf21("1","4","2","5","6","7","5","1") = "6"
    & skf21("1","4","2","5","6","7","6","1") = "6"
    & skf21("1","4","2","5","6","7","7","1") = "6"
    & skf21("1","4","2","5","7","1","1","1") = "6"
    & skf21("1","4","2","5","7","1","2","1") = "6"
    & skf21("1","4","2","5","7","1","3","1") = "6"
    & skf21("1","4","2","5","7","1","4","1") = "6"
    & skf21("1","4","2","5","7","1","5","1") = "6"
    & skf21("1","4","2","5","7","1","6","1") = "6"
    & skf21("1","4","2","5","7","1","7","1") = "6"
    & skf21("1","4","2","5","7","2","1","1") = "6"
    & skf21("1","4","2","5","7","2","2","1") = "6"
    & skf21("1","4","2","5","7","2","3","1") = "6"
    & skf21("1","4","2","5","7","2","4","1") = "6"
    & skf21("1","4","2","5","7","2","5","1") = "6"
    & skf21("1","4","2","5","7","2","6","1") = "6"
    & skf21("1","4","2","5","7","2","7","1") = "6"
    & skf21("1","4","2","5","7","3","1","1") = "6"
    & skf21("1","4","2","5","7","3","2","1") = "6"
    & skf21("1","4","2","5","7","3","3","1") = "6"
    & skf21("1","4","2","5","7","3","4","1") = "6"
    & skf21("1","4","2","5","7","3","5","1") = "6"
    & skf21("1","4","2","5","7","3","6","1") = "6"
    & skf21("1","4","2","5","7","3","7","1") = "6"
    & skf21("1","4","2","5","7","4","1","1") = "6"
    & skf21("1","4","2","5","7","4","2","1") = "6"
    & skf21("1","4","2","5","7","4","3","1") = "6"
    & skf21("1","4","2","5","7","4","4","1") = "6"
    & skf21("1","4","2","5","7","4","5","1") = "6"
    & skf21("1","4","2","5","7","4","6","1") = "6"
    & skf21("1","4","2","5","7","4","7","1") = "6"
    & skf21("1","4","2","5","7","5","1","1") = "6"
    & skf21("1","4","2","5","7","5","2","1") = "6"
    & skf21("1","4","2","5","7","5","3","1") = "6"
    & skf21("1","4","2","5","7","5","4","1") = "6"
    & skf21("1","4","2","5","7","5","5","1") = "6"
    & skf21("1","4","2","5","7","5","6","1") = "6"
    & skf21("1","4","2","5","7","5","7","1") = "6"
    & skf21("1","4","2","5","7","6","1","1") = "6"
    & skf21("1","4","2","5","7","6","2","1") = "6"
    & skf21("1","4","2","5","7","6","3","1") = "6"
    & skf21("1","4","2","5","7","6","4","1") = "6"
    & skf21("1","4","2","5","7","6","5","1") = "6"
    & skf21("1","4","2","5","7","6","6","1") = "6"
    & skf21("1","4","2","5","7","6","7","1") = "6"
    & skf21("1","4","2","5","7","7","1","1") = "6"
    & skf21("1","4","2","5","7","7","2","1") = "6"
    & skf21("1","4","2","5","7","7","3","1") = "6"
    & skf21("1","4","2","5","7","7","4","1") = "6"
    & skf21("1","4","2","5","7","7","5","1") = "6"
    & skf21("1","4","2","5","7","7","6","1") = "6"
    & skf21("1","4","2","5","7","7","7","1") = "6"
    & skf21("1","4","2","6","1","1","1","1") = "5"
    & skf21("1","4","2","6","1","1","2","1") = "5"
    & skf21("1","4","2","6","1","1","3","1") = "5"
    & skf21("1","4","2","6","1","1","4","1") = "5"
    & skf21("1","4","2","6","1","1","5","1") = "5"
    & skf21("1","4","2","6","1","1","6","1") = "5"
    & skf21("1","4","2","6","1","1","7","1") = "6"
    & skf21("1","4","2","6","1","2","1","1") = "5"
    & skf21("1","4","2","6","1","2","2","1") = "5"
    & skf21("1","4","2","6","1","2","3","1") = "5"
    & skf21("1","4","2","6","1","2","4","1") = "5"
    & skf21("1","4","2","6","1","2","5","1") = "5"
    & skf21("1","4","2","6","1","2","6","1") = "5"
    & skf21("1","4","2","6","1","2","7","1") = "6"
    & skf21("1","4","2","6","1","3","1","1") = "5"
    & skf21("1","4","2","6","1","3","2","1") = "5"
    & skf21("1","4","2","6","1","3","3","1") = "5"
    & skf21("1","4","2","6","1","3","4","1") = "5"
    & skf21("1","4","2","6","1","3","5","1") = "5"
    & skf21("1","4","2","6","1","3","6","1") = "5"
    & skf21("1","4","2","6","1","3","7","1") = "6"
    & skf21("1","4","2","6","1","4","1","1") = "5"
    & skf21("1","4","2","6","1","4","2","1") = "5"
    & skf21("1","4","2","6","1","4","3","1") = "5"
    & skf21("1","4","2","6","1","4","4","1") = "5"
    & skf21("1","4","2","6","1","4","5","1") = "5"
    & skf21("1","4","2","6","1","4","6","1") = "5"
    & skf21("1","4","2","6","1","4","7","1") = "6"
    & skf21("1","4","2","6","1","5","1","1") = "5"
    & skf21("1","4","2","6","1","5","2","1") = "5"
    & skf21("1","4","2","6","1","5","3","1") = "5"
    & skf21("1","4","2","6","1","5","4","1") = "5"
    & skf21("1","4","2","6","1","5","5","1") = "5"
    & skf21("1","4","2","6","1","5","6","1") = "5"
    & skf21("1","4","2","6","1","5","7","1") = "6"
    & skf21("1","4","2","6","1","6","1","1") = "5"
    & skf21("1","4","2","6","1","6","2","1") = "5"
    & skf21("1","4","2","6","1","6","3","1") = "5"
    & skf21("1","4","2","6","1","6","4","1") = "5"
    & skf21("1","4","2","6","1","6","5","1") = "5"
    & skf21("1","4","2","6","1","6","6","1") = "5"
    & skf21("1","4","2","6","1","6","7","1") = "6"
    & skf21("1","4","2","6","1","7","1","1") = "6"
    & skf21("1","4","2","6","1","7","2","1") = "6"
    & skf21("1","4","2","6","1","7","3","1") = "6"
    & skf21("1","4","2","6","1","7","4","1") = "6"
    & skf21("1","4","2","6","1","7","5","1") = "6"
    & skf21("1","4","2","6","1","7","6","1") = "6"
    & skf21("1","4","2","6","1","7","7","1") = "6"
    & skf21("1","4","2","6","2","1","1","1") = "5"
    & skf21("1","4","2","6","2","1","2","1") = "5"
    & skf21("1","4","2","6","2","1","3","1") = "5"
    & skf21("1","4","2","6","2","1","4","1") = "5"
    & skf21("1","4","2","6","2","1","5","1") = "5"
    & skf21("1","4","2","6","2","1","6","1") = "5"
    & skf21("1","4","2","6","2","1","7","1") = "6"
    & skf21("1","4","2","6","2","2","1","1") = "5"
    & skf21("1","4","2","6","2","2","2","1") = "5"
    & skf21("1","4","2","6","2","2","3","1") = "5"
    & skf21("1","4","2","6","2","2","4","1") = "5"
    & skf21("1","4","2","6","2","2","5","1") = "5"
    & skf21("1","4","2","6","2","2","6","1") = "5"
    & skf21("1","4","2","6","2","2","7","1") = "6"
    & skf21("1","4","2","6","2","3","1","1") = "5"
    & skf21("1","4","2","6","2","3","2","1") = "5"
    & skf21("1","4","2","6","2","3","3","1") = "5"
    & skf21("1","4","2","6","2","3","4","1") = "5"
    & skf21("1","4","2","6","2","3","5","1") = "5"
    & skf21("1","4","2","6","2","3","6","1") = "5"
    & skf21("1","4","2","6","2","3","7","1") = "6"
    & skf21("1","4","2","6","2","4","1","1") = "5"
    & skf21("1","4","2","6","2","4","2","1") = "5"
    & skf21("1","4","2","6","2","4","3","1") = "5"
    & skf21("1","4","2","6","2","4","4","1") = "5"
    & skf21("1","4","2","6","2","4","5","1") = "5"
    & skf21("1","4","2","6","2","4","6","1") = "5"
    & skf21("1","4","2","6","2","4","7","1") = "6"
    & skf21("1","4","2","6","2","5","1","1") = "5"
    & skf21("1","4","2","6","2","5","2","1") = "5"
    & skf21("1","4","2","6","2","5","3","1") = "5"
    & skf21("1","4","2","6","2","5","4","1") = "5"
    & skf21("1","4","2","6","2","5","5","1") = "5"
    & skf21("1","4","2","6","2","5","6","1") = "5"
    & skf21("1","4","2","6","2","5","7","1") = "6"
    & skf21("1","4","2","6","2","6","1","1") = "5"
    & skf21("1","4","2","6","2","6","2","1") = "5"
    & skf21("1","4","2","6","2","6","3","1") = "5"
    & skf21("1","4","2","6","2","6","4","1") = "5"
    & skf21("1","4","2","6","2","6","5","1") = "5"
    & skf21("1","4","2","6","2","6","6","1") = "5"
    & skf21("1","4","2","6","2","6","7","1") = "6"
    & skf21("1","4","2","6","2","7","1","1") = "6"
    & skf21("1","4","2","6","2","7","2","1") = "6"
    & skf21("1","4","2","6","2","7","3","1") = "6"
    & skf21("1","4","2","6","2","7","4","1") = "6"
    & skf21("1","4","2","6","2","7","5","1") = "6"
    & skf21("1","4","2","6","2","7","6","1") = "6"
    & skf21("1","4","2","6","2","7","7","1") = "6"
    & skf21("1","4","2","6","3","1","1","1") = "5"
    & skf21("1","4","2","6","3","1","2","1") = "5"
    & skf21("1","4","2","6","3","1","3","1") = "5"
    & skf21("1","4","2","6","3","1","4","1") = "5"
    & skf21("1","4","2","6","3","1","5","1") = "5"
    & skf21("1","4","2","6","3","1","6","1") = "5"
    & skf21("1","4","2","6","3","1","7","1") = "6"
    & skf21("1","4","2","6","3","2","1","1") = "5"
    & skf21("1","4","2","6","3","2","2","1") = "5"
    & skf21("1","4","2","6","3","2","3","1") = "5"
    & skf21("1","4","2","6","3","2","4","1") = "5"
    & skf21("1","4","2","6","3","2","5","1") = "5"
    & skf21("1","4","2","6","3","2","6","1") = "5"
    & skf21("1","4","2","6","3","2","7","1") = "6"
    & skf21("1","4","2","6","3","3","1","1") = "5"
    & skf21("1","4","2","6","3","3","2","1") = "5"
    & skf21("1","4","2","6","3","3","3","1") = "5"
    & skf21("1","4","2","6","3","3","4","1") = "5"
    & skf21("1","4","2","6","3","3","5","1") = "5"
    & skf21("1","4","2","6","3","3","6","1") = "5"
    & skf21("1","4","2","6","3","3","7","1") = "6"
    & skf21("1","4","2","6","3","4","1","1") = "5"
    & skf21("1","4","2","6","3","4","2","1") = "5"
    & skf21("1","4","2","6","3","4","3","1") = "5"
    & skf21("1","4","2","6","3","4","4","1") = "5"
    & skf21("1","4","2","6","3","4","5","1") = "5"
    & skf21("1","4","2","6","3","4","6","1") = "5"
    & skf21("1","4","2","6","3","4","7","1") = "6"
    & skf21("1","4","2","6","3","5","1","1") = "5"
    & skf21("1","4","2","6","3","5","2","1") = "5"
    & skf21("1","4","2","6","3","5","3","1") = "5"
    & skf21("1","4","2","6","3","5","4","1") = "5"
    & skf21("1","4","2","6","3","5","5","1") = "5"
    & skf21("1","4","2","6","3","5","6","1") = "5"
    & skf21("1","4","2","6","3","5","7","1") = "6"
    & skf21("1","4","2","6","3","6","1","1") = "5"
    & skf21("1","4","2","6","3","6","2","1") = "5"
    & skf21("1","4","2","6","3","6","3","1") = "5"
    & skf21("1","4","2","6","3","6","4","1") = "5"
    & skf21("1","4","2","6","3","6","5","1") = "5"
    & skf21("1","4","2","6","3","6","6","1") = "5"
    & skf21("1","4","2","6","3","6","7","1") = "6"
    & skf21("1","4","2","6","3","7","1","1") = "6"
    & skf21("1","4","2","6","3","7","2","1") = "6"
    & skf21("1","4","2","6","3","7","3","1") = "6"
    & skf21("1","4","2","6","3","7","4","1") = "6"
    & skf21("1","4","2","6","3","7","5","1") = "6"
    & skf21("1","4","2","6","3","7","6","1") = "6"
    & skf21("1","4","2","6","3","7","7","1") = "6"
    & skf21("1","4","2","6","4","1","1","1") = "5"
    & skf21("1","4","2","6","4","1","2","1") = "5"
    & skf21("1","4","2","6","4","1","3","1") = "5"
    & skf21("1","4","2","6","4","1","4","1") = "5"
    & skf21("1","4","2","6","4","1","5","1") = "5"
    & skf21("1","4","2","6","4","1","6","1") = "5"
    & skf21("1","4","2","6","4","1","7","1") = "6"
    & skf21("1","4","2","6","4","2","1","1") = "5"
    & skf21("1","4","2","6","4","2","2","1") = "5"
    & skf21("1","4","2","6","4","2","3","1") = "5"
    & skf21("1","4","2","6","4","2","4","1") = "5"
    & skf21("1","4","2","6","4","2","5","1") = "5"
    & skf21("1","4","2","6","4","2","6","1") = "5"
    & skf21("1","4","2","6","4","2","7","1") = "6"
    & skf21("1","4","2","6","4","3","1","1") = "5"
    & skf21("1","4","2","6","4","3","2","1") = "5"
    & skf21("1","4","2","6","4","3","3","1") = "5"
    & skf21("1","4","2","6","4","3","4","1") = "5"
    & skf21("1","4","2","6","4","3","5","1") = "5"
    & skf21("1","4","2","6","4","3","6","1") = "5"
    & skf21("1","4","2","6","4","3","7","1") = "6"
    & skf21("1","4","2","6","4","4","1","1") = "5"
    & skf21("1","4","2","6","4","4","2","1") = "5"
    & skf21("1","4","2","6","4","4","3","1") = "5"
    & skf21("1","4","2","6","4","4","4","1") = "5"
    & skf21("1","4","2","6","4","4","5","1") = "5"
    & skf21("1","4","2","6","4","4","6","1") = "5"
    & skf21("1","4","2","6","4","4","7","1") = "6"
    & skf21("1","4","2","6","4","5","1","1") = "5"
    & skf21("1","4","2","6","4","5","2","1") = "5"
    & skf21("1","4","2","6","4","5","3","1") = "5"
    & skf21("1","4","2","6","4","5","4","1") = "5"
    & skf21("1","4","2","6","4","5","5","1") = "5"
    & skf21("1","4","2","6","4","5","6","1") = "5"
    & skf21("1","4","2","6","4","5","7","1") = "6"
    & skf21("1","4","2","6","4","6","1","1") = "5"
    & skf21("1","4","2","6","4","6","2","1") = "5"
    & skf21("1","4","2","6","4","6","3","1") = "5"
    & skf21("1","4","2","6","4","6","4","1") = "5"
    & skf21("1","4","2","6","4","6","5","1") = "5"
    & skf21("1","4","2","6","4","6","6","1") = "5"
    & skf21("1","4","2","6","4","6","7","1") = "6"
    & skf21("1","4","2","6","4","7","1","1") = "6"
    & skf21("1","4","2","6","4","7","2","1") = "6"
    & skf21("1","4","2","6","4","7","3","1") = "6"
    & skf21("1","4","2","6","4","7","4","1") = "6"
    & skf21("1","4","2","6","4","7","5","1") = "6"
    & skf21("1","4","2","6","4","7","6","1") = "6"
    & skf21("1","4","2","6","4","7","7","1") = "6"
    & skf21("1","4","2","6","5","1","1","1") = "5"
    & skf21("1","4","2","6","5","1","2","1") = "5"
    & skf21("1","4","2","6","5","1","3","1") = "5"
    & skf21("1","4","2","6","5","1","4","1") = "5"
    & skf21("1","4","2","6","5","1","5","1") = "5"
    & skf21("1","4","2","6","5","1","6","1") = "5"
    & skf21("1","4","2","6","5","1","7","1") = "6"
    & skf21("1","4","2","6","5","2","1","1") = "5"
    & skf21("1","4","2","6","5","2","2","1") = "5"
    & skf21("1","4","2","6","5","2","3","1") = "5"
    & skf21("1","4","2","6","5","2","4","1") = "5"
    & skf21("1","4","2","6","5","2","5","1") = "5"
    & skf21("1","4","2","6","5","2","6","1") = "5"
    & skf21("1","4","2","6","5","2","7","1") = "6"
    & skf21("1","4","2","6","5","3","1","1") = "5"
    & skf21("1","4","2","6","5","3","2","1") = "5"
    & skf21("1","4","2","6","5","3","3","1") = "5"
    & skf21("1","4","2","6","5","3","4","1") = "5"
    & skf21("1","4","2","6","5","3","5","1") = "5"
    & skf21("1","4","2","6","5","3","6","1") = "5"
    & skf21("1","4","2","6","5","3","7","1") = "6"
    & skf21("1","4","2","6","5","4","1","1") = "5"
    & skf21("1","4","2","6","5","4","2","1") = "5"
    & skf21("1","4","2","6","5","4","3","1") = "5"
    & skf21("1","4","2","6","5","4","4","1") = "5"
    & skf21("1","4","2","6","5","4","5","1") = "5"
    & skf21("1","4","2","6","5","4","6","1") = "5"
    & skf21("1","4","2","6","5","4","7","1") = "6"
    & skf21("1","4","2","6","5","5","1","1") = "5"
    & skf21("1","4","2","6","5","5","2","1") = "5"
    & skf21("1","4","2","6","5","5","3","1") = "5"
    & skf21("1","4","2","6","5","5","4","1") = "5"
    & skf21("1","4","2","6","5","5","5","1") = "5"
    & skf21("1","4","2","6","5","5","6","1") = "5"
    & skf21("1","4","2","6","5","5","7","1") = "6"
    & skf21("1","4","2","6","5","6","1","1") = "5"
    & skf21("1","4","2","6","5","6","2","1") = "5"
    & skf21("1","4","2","6","5","6","3","1") = "5"
    & skf21("1","4","2","6","5","6","4","1") = "5"
    & skf21("1","4","2","6","5","6","5","1") = "5"
    & skf21("1","4","2","6","5","6","6","1") = "5"
    & skf21("1","4","2","6","5","6","7","1") = "6"
    & skf21("1","4","2","6","5","7","1","1") = "6"
    & skf21("1","4","2","6","5","7","2","1") = "6"
    & skf21("1","4","2","6","5","7","3","1") = "6"
    & skf21("1","4","2","6","5","7","4","1") = "6"
    & skf21("1","4","2","6","5","7","5","1") = "6"
    & skf21("1","4","2","6","5","7","6","1") = "6"
    & skf21("1","4","2","6","5","7","7","1") = "6"
    & skf21("1","4","2","6","6","1","1","1") = "5"
    & skf21("1","4","2","6","6","1","2","1") = "5"
    & skf21("1","4","2","6","6","1","3","1") = "5"
    & skf21("1","4","2","6","6","1","4","1") = "5"
    & skf21("1","4","2","6","6","1","5","1") = "5"
    & skf21("1","4","2","6","6","1","6","1") = "5"
    & skf21("1","4","2","6","6","1","7","1") = "6"
    & skf21("1","4","2","6","6","2","1","1") = "5"
    & skf21("1","4","2","6","6","2","2","1") = "5"
    & skf21("1","4","2","6","6","2","3","1") = "5"
    & skf21("1","4","2","6","6","2","4","1") = "5"
    & skf21("1","4","2","6","6","2","5","1") = "5"
    & skf21("1","4","2","6","6","2","6","1") = "5"
    & skf21("1","4","2","6","6","2","7","1") = "6"
    & skf21("1","4","2","6","6","3","1","1") = "5"
    & skf21("1","4","2","6","6","3","2","1") = "5"
    & skf21("1","4","2","6","6","3","3","1") = "5"
    & skf21("1","4","2","6","6","3","4","1") = "5"
    & skf21("1","4","2","6","6","3","5","1") = "5"
    & skf21("1","4","2","6","6","3","6","1") = "5"
    & skf21("1","4","2","6","6","3","7","1") = "6"
    & skf21("1","4","2","6","6","4","1","1") = "5"
    & skf21("1","4","2","6","6","4","2","1") = "5"
    & skf21("1","4","2","6","6","4","3","1") = "5"
    & skf21("1","4","2","6","6","4","4","1") = "5"
    & skf21("1","4","2","6","6","4","5","1") = "5"
    & skf21("1","4","2","6","6","4","6","1") = "5"
    & skf21("1","4","2","6","6","4","7","1") = "6"
    & skf21("1","4","2","6","6","5","1","1") = "5"
    & skf21("1","4","2","6","6","5","2","1") = "5"
    & skf21("1","4","2","6","6","5","3","1") = "5"
    & skf21("1","4","2","6","6","5","4","1") = "5"
    & skf21("1","4","2","6","6","5","5","1") = "5"
    & skf21("1","4","2","6","6","5","6","1") = "5"
    & skf21("1","4","2","6","6","5","7","1") = "6"
    & skf21("1","4","2","6","6","6","1","1") = "5"
    & skf21("1","4","2","6","6","6","2","1") = "5"
    & skf21("1","4","2","6","6","6","3","1") = "5"
    & skf21("1","4","2","6","6","6","4","1") = "5"
    & skf21("1","4","2","6","6","6","5","1") = "5"
    & skf21("1","4","2","6","6","6","6","1") = "5"
    & skf21("1","4","2","6","6","6","7","1") = "6"
    & skf21("1","4","2","6","6","7","1","1") = "6"
    & skf21("1","4","2","6","6","7","2","1") = "6"
    & skf21("1","4","2","6","6","7","3","1") = "6"
    & skf21("1","4","2","6","6","7","4","1") = "6"
    & skf21("1","4","2","6","6","7","5","1") = "6"
    & skf21("1","4","2","6","6","7","6","1") = "6"
    & skf21("1","4","2","6","6","7","7","1") = "6"
    & skf21("1","4","2","6","7","1","1","1") = "6"
    & skf21("1","4","2","6","7","1","2","1") = "6"
    & skf21("1","4","2","6","7","1","3","1") = "6"
    & skf21("1","4","2","6","7","1","4","1") = "6"
    & skf21("1","4","2","6","7","1","5","1") = "6"
    & skf21("1","4","2","6","7","1","6","1") = "6"
    & skf21("1","4","2","6","7","1","7","1") = "6"
    & skf21("1","4","2","6","7","2","1","1") = "6"
    & skf21("1","4","2","6","7","2","2","1") = "6"
    & skf21("1","4","2","6","7","2","3","1") = "6"
    & skf21("1","4","2","6","7","2","4","1") = "6"
    & skf21("1","4","2","6","7","2","5","1") = "6"
    & skf21("1","4","2","6","7","2","6","1") = "6"
    & skf21("1","4","2","6","7","2","7","1") = "6"
    & skf21("1","4","2","6","7","3","1","1") = "6"
    & skf21("1","4","2","6","7","3","2","1") = "6"
    & skf21("1","4","2","6","7","3","3","1") = "6"
    & skf21("1","4","2","6","7","3","4","1") = "6"
    & skf21("1","4","2","6","7","3","5","1") = "6"
    & skf21("1","4","2","6","7","3","6","1") = "6"
    & skf21("1","4","2","6","7","3","7","1") = "6"
    & skf21("1","4","2","6","7","4","1","1") = "6"
    & skf21("1","4","2","6","7","4","2","1") = "6"
    & skf21("1","4","2","6","7","4","3","1") = "6"
    & skf21("1","4","2","6","7","4","4","1") = "6"
    & skf21("1","4","2","6","7","4","5","1") = "6"
    & skf21("1","4","2","6","7","4","6","1") = "6"
    & skf21("1","4","2","6","7","4","7","1") = "6"
    & skf21("1","4","2","6","7","5","1","1") = "6"
    & skf21("1","4","2","6","7","5","2","1") = "6"
    & skf21("1","4","2","6","7","5","3","1") = "6"
    & skf21("1","4","2","6","7","5","4","1") = "6"
    & skf21("1","4","2","6","7","5","5","1") = "6"
    & skf21("1","4","2","6","7","5","6","1") = "6"
    & skf21("1","4","2","6","7","5","7","1") = "6"
    & skf21("1","4","2","6","7","6","1","1") = "6"
    & skf21("1","4","2","6","7","6","2","1") = "6"
    & skf21("1","4","2","6","7","6","3","1") = "6"
    & skf21("1","4","2","6","7","6","4","1") = "6"
    & skf21("1","4","2","6","7","6","5","1") = "6"
    & skf21("1","4","2","6","7","6","6","1") = "6"
    & skf21("1","4","2","6","7","6","7","1") = "6"
    & skf21("1","4","2","6","7","7","1","1") = "6"
    & skf21("1","4","2","6","7","7","2","1") = "6"
    & skf21("1","4","2","6","7","7","3","1") = "6"
    & skf21("1","4","2","6","7","7","4","1") = "6"
    & skf21("1","4","2","6","7","7","5","1") = "6"
    & skf21("1","4","2","6","7","7","6","1") = "6"
    & skf21("1","4","2","6","7","7","7","1") = "6"
    & skf21("1","4","2","7","1","1","1","1") = "6"
    & skf21("1","4","2","7","1","1","2","1") = "6"
    & skf21("1","4","2","7","1","1","3","1") = "6"
    & skf21("1","4","2","7","1","1","4","1") = "6"
    & skf21("1","4","2","7","1","1","5","1") = "6"
    & skf21("1","4","2","7","1","1","6","1") = "6"
    & skf21("1","4","2","7","1","1","7","1") = "6"
    & skf21("1","4","2","7","1","2","1","1") = "6"
    & skf21("1","4","2","7","1","2","2","1") = "6"
    & skf21("1","4","2","7","1","2","3","1") = "6"
    & skf21("1","4","2","7","1","2","4","1") = "6"
    & skf21("1","4","2","7","1","2","5","1") = "6"
    & skf21("1","4","2","7","1","2","6","1") = "6"
    & skf21("1","4","2","7","1","2","7","1") = "6"
    & skf21("1","4","2","7","1","3","1","1") = "6"
    & skf21("1","4","2","7","1","3","2","1") = "6"
    & skf21("1","4","2","7","1","3","3","1") = "6"
    & skf21("1","4","2","7","1","3","4","1") = "6"
    & skf21("1","4","2","7","1","3","5","1") = "6"
    & skf21("1","4","2","7","1","3","6","1") = "6"
    & skf21("1","4","2","7","1","3","7","1") = "6"
    & skf21("1","4","2","7","1","4","1","1") = "6"
    & skf21("1","4","2","7","1","4","2","1") = "6"
    & skf21("1","4","2","7","1","4","3","1") = "6"
    & skf21("1","4","2","7","1","4","4","1") = "6"
    & skf21("1","4","2","7","1","4","5","1") = "6"
    & skf21("1","4","2","7","1","4","6","1") = "6"
    & skf21("1","4","2","7","1","4","7","1") = "6"
    & skf21("1","4","2","7","1","5","1","1") = "6"
    & skf21("1","4","2","7","1","5","2","1") = "6"
    & skf21("1","4","2","7","1","5","3","1") = "6"
    & skf21("1","4","2","7","1","5","4","1") = "6"
    & skf21("1","4","2","7","1","5","5","1") = "6"
    & skf21("1","4","2","7","1","5","6","1") = "6"
    & skf21("1","4","2","7","1","5","7","1") = "6"
    & skf21("1","4","2","7","1","6","1","1") = "6"
    & skf21("1","4","2","7","1","6","2","1") = "6"
    & skf21("1","4","2","7","1","6","3","1") = "6"
    & skf21("1","4","2","7","1","6","4","1") = "6"
    & skf21("1","4","2","7","1","6","5","1") = "6"
    & skf21("1","4","2","7","1","6","6","1") = "6"
    & skf21("1","4","2","7","1","6","7","1") = "6"
    & skf21("1","4","2","7","1","7","1","1") = "6"
    & skf21("1","4","2","7","1","7","2","1") = "6"
    & skf21("1","4","2","7","1","7","3","1") = "6"
    & skf21("1","4","2","7","1","7","4","1") = "6"
    & skf21("1","4","2","7","1","7","5","1") = "6"
    & skf21("1","4","2","7","1","7","6","1") = "6"
    & skf21("1","4","2","7","1","7","7","1") = "6"
    & skf21("1","4","2","7","2","1","1","1") = "6"
    & skf21("1","4","2","7","2","1","2","1") = "6"
    & skf21("1","4","2","7","2","1","3","1") = "6"
    & skf21("1","4","2","7","2","1","4","1") = "6"
    & skf21("1","4","2","7","2","1","5","1") = "6"
    & skf21("1","4","2","7","2","1","6","1") = "6"
    & skf21("1","4","2","7","2","1","7","1") = "6"
    & skf21("1","4","2","7","2","2","1","1") = "6"
    & skf21("1","4","2","7","2","2","2","1") = "6"
    & skf21("1","4","2","7","2","2","3","1") = "6"
    & skf21("1","4","2","7","2","2","4","1") = "6"
    & skf21("1","4","2","7","2","2","5","1") = "6"
    & skf21("1","4","2","7","2","2","6","1") = "6"
    & skf21("1","4","2","7","2","2","7","1") = "6"
    & skf21("1","4","2","7","2","3","1","1") = "6"
    & skf21("1","4","2","7","2","3","2","1") = "6"
    & skf21("1","4","2","7","2","3","3","1") = "6"
    & skf21("1","4","2","7","2","3","4","1") = "6"
    & skf21("1","4","2","7","2","3","5","1") = "6"
    & skf21("1","4","2","7","2","3","6","1") = "6"
    & skf21("1","4","2","7","2","3","7","1") = "6"
    & skf21("1","4","2","7","2","4","1","1") = "6"
    & skf21("1","4","2","7","2","4","2","1") = "6"
    & skf21("1","4","2","7","2","4","3","1") = "6"
    & skf21("1","4","2","7","2","4","4","1") = "6"
    & skf21("1","4","2","7","2","4","5","1") = "6"
    & skf21("1","4","2","7","2","4","6","1") = "6"
    & skf21("1","4","2","7","2","4","7","1") = "6"
    & skf21("1","4","2","7","2","5","1","1") = "6"
    & skf21("1","4","2","7","2","5","2","1") = "6"
    & skf21("1","4","2","7","2","5","3","1") = "6"
    & skf21("1","4","2","7","2","5","4","1") = "6"
    & skf21("1","4","2","7","2","5","5","1") = "6"
    & skf21("1","4","2","7","2","5","6","1") = "6"
    & skf21("1","4","2","7","2","5","7","1") = "6"
    & skf21("1","4","2","7","2","6","1","1") = "6"
    & skf21("1","4","2","7","2","6","2","1") = "6"
    & skf21("1","4","2","7","2","6","3","1") = "6"
    & skf21("1","4","2","7","2","6","4","1") = "6"
    & skf21("1","4","2","7","2","6","5","1") = "6"
    & skf21("1","4","2","7","2","6","6","1") = "6"
    & skf21("1","4","2","7","2","6","7","1") = "6"
    & skf21("1","4","2","7","2","7","1","1") = "6"
    & skf21("1","4","2","7","2","7","2","1") = "6"
    & skf21("1","4","2","7","2","7","3","1") = "6"
    & skf21("1","4","2","7","2","7","4","1") = "6"
    & skf21("1","4","2","7","2","7","5","1") = "6"
    & skf21("1","4","2","7","2","7","6","1") = "6"
    & skf21("1","4","2","7","2","7","7","1") = "6"
    & skf21("1","4","2","7","3","1","1","1") = "6"
    & skf21("1","4","2","7","3","1","2","1") = "6"
    & skf21("1","4","2","7","3","1","3","1") = "6"
    & skf21("1","4","2","7","3","1","4","1") = "6"
    & skf21("1","4","2","7","3","1","5","1") = "6"
    & skf21("1","4","2","7","3","1","6","1") = "6"
    & skf21("1","4","2","7","3","1","7","1") = "6"
    & skf21("1","4","2","7","3","2","1","1") = "6"
    & skf21("1","4","2","7","3","2","2","1") = "6"
    & skf21("1","4","2","7","3","2","3","1") = "6"
    & skf21("1","4","2","7","3","2","4","1") = "6"
    & skf21("1","4","2","7","3","2","5","1") = "6"
    & skf21("1","4","2","7","3","2","6","1") = "6"
    & skf21("1","4","2","7","3","2","7","1") = "6"
    & skf21("1","4","2","7","3","3","1","1") = "6"
    & skf21("1","4","2","7","3","3","2","1") = "6"
    & skf21("1","4","2","7","3","3","3","1") = "6"
    & skf21("1","4","2","7","3","3","4","1") = "6"
    & skf21("1","4","2","7","3","3","5","1") = "6"
    & skf21("1","4","2","7","3","3","6","1") = "6"
    & skf21("1","4","2","7","3","3","7","1") = "6"
    & skf21("1","4","2","7","3","4","1","1") = "6"
    & skf21("1","4","2","7","3","4","2","1") = "6"
    & skf21("1","4","2","7","3","4","3","1") = "6"
    & skf21("1","4","2","7","3","4","4","1") = "6"
    & skf21("1","4","2","7","3","4","5","1") = "6"
    & skf21("1","4","2","7","3","4","6","1") = "6"
    & skf21("1","4","2","7","3","4","7","1") = "6"
    & skf21("1","4","2","7","3","5","1","1") = "6"
    & skf21("1","4","2","7","3","5","2","1") = "6"
    & skf21("1","4","2","7","3","5","3","1") = "6"
    & skf21("1","4","2","7","3","5","4","1") = "6"
    & skf21("1","4","2","7","3","5","5","1") = "6"
    & skf21("1","4","2","7","3","5","6","1") = "6"
    & skf21("1","4","2","7","3","5","7","1") = "6"
    & skf21("1","4","2","7","3","6","1","1") = "6"
    & skf21("1","4","2","7","3","6","2","1") = "6"
    & skf21("1","4","2","7","3","6","3","1") = "6"
    & skf21("1","4","2","7","3","6","4","1") = "6"
    & skf21("1","4","2","7","3","6","5","1") = "6"
    & skf21("1","4","2","7","3","6","6","1") = "6"
    & skf21("1","4","2","7","3","6","7","1") = "6"
    & skf21("1","4","2","7","3","7","1","1") = "6"
    & skf21("1","4","2","7","3","7","2","1") = "6"
    & skf21("1","4","2","7","3","7","3","1") = "6"
    & skf21("1","4","2","7","3","7","4","1") = "6"
    & skf21("1","4","2","7","3","7","5","1") = "6"
    & skf21("1","4","2","7","3","7","6","1") = "6"
    & skf21("1","4","2","7","3","7","7","1") = "6"
    & skf21("1","4","2","7","4","1","1","1") = "6"
    & skf21("1","4","2","7","4","1","2","1") = "6"
    & skf21("1","4","2","7","4","1","3","1") = "6"
    & skf21("1","4","2","7","4","1","4","1") = "6"
    & skf21("1","4","2","7","4","1","5","1") = "6"
    & skf21("1","4","2","7","4","1","6","1") = "6"
    & skf21("1","4","2","7","4","1","7","1") = "6"
    & skf21("1","4","2","7","4","2","1","1") = "6"
    & skf21("1","4","2","7","4","2","2","1") = "6"
    & skf21("1","4","2","7","4","2","3","1") = "6"
    & skf21("1","4","2","7","4","2","4","1") = "6"
    & skf21("1","4","2","7","4","2","5","1") = "6"
    & skf21("1","4","2","7","4","2","6","1") = "6"
    & skf21("1","4","2","7","4","2","7","1") = "6"
    & skf21("1","4","2","7","4","3","1","1") = "6"
    & skf21("1","4","2","7","4","3","2","1") = "6"
    & skf21("1","4","2","7","4","3","3","1") = "6"
    & skf21("1","4","2","7","4","3","4","1") = "6"
    & skf21("1","4","2","7","4","3","5","1") = "6"
    & skf21("1","4","2","7","4","3","6","1") = "6"
    & skf21("1","4","2","7","4","3","7","1") = "6"
    & skf21("1","4","2","7","4","4","1","1") = "6"
    & skf21("1","4","2","7","4","4","2","1") = "6"
    & skf21("1","4","2","7","4","4","3","1") = "6"
    & skf21("1","4","2","7","4","4","4","1") = "6"
    & skf21("1","4","2","7","4","4","5","1") = "6"
    & skf21("1","4","2","7","4","4","6","1") = "6"
    & skf21("1","4","2","7","4","4","7","1") = "6"
    & skf21("1","4","2","7","4","5","1","1") = "6"
    & skf21("1","4","2","7","4","5","2","1") = "6"
    & skf21("1","4","2","7","4","5","3","1") = "6"
    & skf21("1","4","2","7","4","5","4","1") = "6"
    & skf21("1","4","2","7","4","5","5","1") = "6"
    & skf21("1","4","2","7","4","5","6","1") = "6"
    & skf21("1","4","2","7","4","5","7","1") = "6"
    & skf21("1","4","2","7","4","6","1","1") = "6"
    & skf21("1","4","2","7","4","6","2","1") = "6"
    & skf21("1","4","2","7","4","6","3","1") = "6"
    & skf21("1","4","2","7","4","6","4","1") = "6"
    & skf21("1","4","2","7","4","6","5","1") = "6"
    & skf21("1","4","2","7","4","6","6","1") = "6"
    & skf21("1","4","2","7","4","6","7","1") = "6"
    & skf21("1","4","2","7","4","7","1","1") = "6"
    & skf21("1","4","2","7","4","7","2","1") = "6"
    & skf21("1","4","2","7","4","7","3","1") = "6"
    & skf21("1","4","2","7","4","7","4","1") = "6"
    & skf21("1","4","2","7","4","7","5","1") = "6"
    & skf21("1","4","2","7","4","7","6","1") = "6"
    & skf21("1","4","2","7","4","7","7","1") = "6"
    & skf21("1","4","2","7","5","1","1","1") = "6"
    & skf21("1","4","2","7","5","1","2","1") = "6"
    & skf21("1","4","2","7","5","1","3","1") = "6"
    & skf21("1","4","2","7","5","1","4","1") = "6"
    & skf21("1","4","2","7","5","1","5","1") = "6"
    & skf21("1","4","2","7","5","1","6","1") = "6"
    & skf21("1","4","2","7","5","1","7","1") = "6"
    & skf21("1","4","2","7","5","2","1","1") = "6"
    & skf21("1","4","2","7","5","2","2","1") = "6"
    & skf21("1","4","2","7","5","2","3","1") = "6"
    & skf21("1","4","2","7","5","2","4","1") = "6"
    & skf21("1","4","2","7","5","2","5","1") = "6"
    & skf21("1","4","2","7","5","2","6","1") = "6"
    & skf21("1","4","2","7","5","2","7","1") = "6"
    & skf21("1","4","2","7","5","3","1","1") = "6"
    & skf21("1","4","2","7","5","3","2","1") = "6"
    & skf21("1","4","2","7","5","3","3","1") = "6"
    & skf21("1","4","2","7","5","3","4","1") = "6"
    & skf21("1","4","2","7","5","3","5","1") = "6"
    & skf21("1","4","2","7","5","3","6","1") = "6"
    & skf21("1","4","2","7","5","3","7","1") = "6"
    & skf21("1","4","2","7","5","4","1","1") = "6"
    & skf21("1","4","2","7","5","4","2","1") = "6"
    & skf21("1","4","2","7","5","4","3","1") = "6"
    & skf21("1","4","2","7","5","4","4","1") = "6"
    & skf21("1","4","2","7","5","4","5","1") = "6"
    & skf21("1","4","2","7","5","4","6","1") = "6"
    & skf21("1","4","2","7","5","4","7","1") = "6"
    & skf21("1","4","2","7","5","5","1","1") = "6"
    & skf21("1","4","2","7","5","5","2","1") = "6"
    & skf21("1","4","2","7","5","5","3","1") = "6"
    & skf21("1","4","2","7","5","5","4","1") = "6"
    & skf21("1","4","2","7","5","5","5","1") = "6"
    & skf21("1","4","2","7","5","5","6","1") = "6"
    & skf21("1","4","2","7","5","5","7","1") = "6"
    & skf21("1","4","2","7","5","6","1","1") = "6"
    & skf21("1","4","2","7","5","6","2","1") = "6"
    & skf21("1","4","2","7","5","6","3","1") = "6"
    & skf21("1","4","2","7","5","6","4","1") = "6"
    & skf21("1","4","2","7","5","6","5","1") = "6"
    & skf21("1","4","2","7","5","6","6","1") = "6"
    & skf21("1","4","2","7","5","6","7","1") = "6"
    & skf21("1","4","2","7","5","7","1","1") = "6"
    & skf21("1","4","2","7","5","7","2","1") = "6"
    & skf21("1","4","2","7","5","7","3","1") = "6"
    & skf21("1","4","2","7","5","7","4","1") = "6"
    & skf21("1","4","2","7","5","7","5","1") = "6"
    & skf21("1","4","2","7","5","7","6","1") = "6"
    & skf21("1","4","2","7","5","7","7","1") = "6"
    & skf21("1","4","2","7","6","1","1","1") = "6"
    & skf21("1","4","2","7","6","1","2","1") = "6"
    & skf21("1","4","2","7","6","1","3","1") = "6"
    & skf21("1","4","2","7","6","1","4","1") = "6"
    & skf21("1","4","2","7","6","1","5","1") = "6"
    & skf21("1","4","2","7","6","1","6","1") = "6"
    & skf21("1","4","2","7","6","1","7","1") = "6"
    & skf21("1","4","2","7","6","2","1","1") = "6"
    & skf21("1","4","2","7","6","2","2","1") = "6"
    & skf21("1","4","2","7","6","2","3","1") = "6"
    & skf21("1","4","2","7","6","2","4","1") = "6"
    & skf21("1","4","2","7","6","2","5","1") = "6"
    & skf21("1","4","2","7","6","2","6","1") = "6"
    & skf21("1","4","2","7","6","2","7","1") = "6"
    & skf21("1","4","2","7","6","3","1","1") = "6"
    & skf21("1","4","2","7","6","3","2","1") = "6"
    & skf21("1","4","2","7","6","3","3","1") = "6"
    & skf21("1","4","2","7","6","3","4","1") = "6"
    & skf21("1","4","2","7","6","3","5","1") = "6"
    & skf21("1","4","2","7","6","3","6","1") = "6"
    & skf21("1","4","2","7","6","3","7","1") = "6"
    & skf21("1","4","2","7","6","4","1","1") = "6"
    & skf21("1","4","2","7","6","4","2","1") = "6"
    & skf21("1","4","2","7","6","4","3","1") = "6"
    & skf21("1","4","2","7","6","4","4","1") = "6"
    & skf21("1","4","2","7","6","4","5","1") = "6"
    & skf21("1","4","2","7","6","4","6","1") = "6"
    & skf21("1","4","2","7","6","4","7","1") = "6"
    & skf21("1","4","2","7","6","5","1","1") = "6"
    & skf21("1","4","2","7","6","5","2","1") = "6"
    & skf21("1","4","2","7","6","5","3","1") = "6"
    & skf21("1","4","2","7","6","5","4","1") = "6"
    & skf21("1","4","2","7","6","5","5","1") = "6"
    & skf21("1","4","2","7","6","5","6","1") = "6"
    & skf21("1","4","2","7","6","5","7","1") = "6"
    & skf21("1","4","2","7","6","6","1","1") = "6"
    & skf21("1","4","2","7","6","6","2","1") = "6"
    & skf21("1","4","2","7","6","6","3","1") = "6"
    & skf21("1","4","2","7","6","6","4","1") = "6"
    & skf21("1","4","2","7","6","6","5","1") = "6"
    & skf21("1","4","2","7","6","6","6","1") = "6"
    & skf21("1","4","2","7","6","6","7","1") = "6"
    & skf21("1","4","2","7","6","7","1","1") = "6"
    & skf21("1","4","2","7","6","7","2","1") = "6"
    & skf21("1","4","2","7","6","7","3","1") = "6"
    & skf21("1","4","2","7","6","7","4","1") = "6"
    & skf21("1","4","2","7","6","7","5","1") = "6"
    & skf21("1","4","2","7","6","7","6","1") = "6"
    & skf21("1","4","2","7","6","7","7","1") = "6"
    & skf21("1","4","2","7","7","1","1","1") = "6"
    & skf21("1","4","2","7","7","1","2","1") = "6"
    & skf21("1","4","2","7","7","1","3","1") = "6"
    & skf21("1","4","2","7","7","1","4","1") = "6"
    & skf21("1","4","2","7","7","1","5","1") = "6"
    & skf21("1","4","2","7","7","1","6","1") = "6"
    & skf21("1","4","2","7","7","1","7","1") = "6"
    & skf21("1","4","2","7","7","2","1","1") = "6"
    & skf21("1","4","2","7","7","2","2","1") = "6"
    & skf21("1","4","2","7","7","2","3","1") = "6"
    & skf21("1","4","2","7","7","2","4","1") = "6"
    & skf21("1","4","2","7","7","2","5","1") = "6"
    & skf21("1","4","2","7","7","2","6","1") = "6"
    & skf21("1","4","2","7","7","2","7","1") = "6"
    & skf21("1","4","2","7","7","3","1","1") = "6"
    & skf21("1","4","2","7","7","3","2","1") = "6"
    & skf21("1","4","2","7","7","3","3","1") = "6"
    & skf21("1","4","2","7","7","3","4","1") = "6"
    & skf21("1","4","2","7","7","3","5","1") = "6"
    & skf21("1","4","2","7","7","3","6","1") = "6"
    & skf21("1","4","2","7","7","3","7","1") = "6"
    & skf21("1","4","2","7","7","4","1","1") = "6"
    & skf21("1","4","2","7","7","4","2","1") = "6"
    & skf21("1","4","2","7","7","4","3","1") = "6"
    & skf21("1","4","2","7","7","4","4","1") = "6"
    & skf21("1","4","2","7","7","4","5","1") = "6"
    & skf21("1","4","2","7","7","4","6","1") = "6"
    & skf21("1","4","2","7","7","4","7","1") = "6"
    & skf21("1","4","2","7","7","5","1","1") = "6"
    & skf21("1","4","2","7","7","5","2","1") = "6"
    & skf21("1","4","2","7","7","5","3","1") = "6"
    & skf21("1","4","2","7","7","5","4","1") = "6"
    & skf21("1","4","2","7","7","5","5","1") = "6"
    & skf21("1","4","2","7","7","5","6","1") = "6"
    & skf21("1","4","2","7","7","5","7","1") = "6"
    & skf21("1","4","2","7","7","6","1","1") = "6"
    & skf21("1","4","2","7","7","6","2","1") = "6"
    & skf21("1","4","2","7","7","6","3","1") = "6"
    & skf21("1","4","2","7","7","6","4","1") = "6"
    & skf21("1","4","2","7","7","6","5","1") = "6"
    & skf21("1","4","2","7","7","6","6","1") = "6"
    & skf21("1","4","2","7","7","6","7","1") = "6"
    & skf21("1","4","2","7","7","7","1","1") = "6"
    & skf21("1","4","2","7","7","7","2","1") = "6"
    & skf21("1","4","2","7","7","7","3","1") = "6"
    & skf21("1","4","2","7","7","7","4","1") = "6"
    & skf21("1","4","2","7","7","7","5","1") = "6"
    & skf21("1","4","2","7","7","7","6","1") = "6"
    & skf21("1","4","2","7","7","7","7","1") = "6"
    & skf21("1","4","3","1","1","1","1","1") = "3"
    & skf21("1","4","3","1","1","1","2","1") = "3"
    & skf21("1","4","3","1","1","1","3","1") = "3"
    & skf21("1","4","3","1","1","1","4","1") = "3"
    & skf21("1","4","3","1","1","1","5","1") = "4"
    & skf21("1","4","3","1","1","1","6","1") = "5"
    & skf21("1","4","3","1","1","1","7","1") = "6"
    & skf21("1","4","3","1","1","2","1","1") = "3"
    & skf21("1","4","3","1","1","2","2","1") = "3"
    & skf21("1","4","3","1","1","2","3","1") = "3"
    & skf21("1","4","3","1","1","2","4","1") = "3"
    & skf21("1","4","3","1","1","2","5","1") = "4"
    & skf21("1","4","3","1","1","2","6","1") = "5"
    & skf21("1","4","3","1","1","2","7","1") = "6"
    & skf21("1","4","3","1","1","3","1","1") = "3"
    & skf21("1","4","3","1","1","3","2","1") = "3"
    & skf21("1","4","3","1","1","3","3","1") = "3"
    & skf21("1","4","3","1","1","3","4","1") = "3"
    & skf21("1","4","3","1","1","3","5","1") = "4"
    & skf21("1","4","3","1","1","3","6","1") = "5"
    & skf21("1","4","3","1","1","3","7","1") = "6"
    & skf21("1","4","3","1","1","4","1","1") = "3"
    & skf21("1","4","3","1","1","4","2","1") = "3"
    & skf21("1","4","3","1","1","4","3","1") = "3"
    & skf21("1","4","3","1","1","4","4","1") = "3"
    & skf21("1","4","3","1","1","4","5","1") = "4"
    & skf21("1","4","3","1","1","4","6","1") = "5"
    & skf21("1","4","3","1","1","4","7","1") = "6"
    & skf21("1","4","3","1","1","5","1","1") = "4"
    & skf21("1","4","3","1","1","5","2","1") = "4"
    & skf21("1","4","3","1","1","5","3","1") = "4"
    & skf21("1","4","3","1","1","5","4","1") = "4"
    & skf21("1","4","3","1","1","5","5","1") = "4"
    & skf21("1","4","3","1","1","5","6","1") = "5"
    & skf21("1","4","3","1","1","5","7","1") = "6"
    & skf21("1","4","3","1","1","6","1","1") = "5"
    & skf21("1","4","3","1","1","6","2","1") = "5"
    & skf21("1","4","3","1","1","6","3","1") = "5"
    & skf21("1","4","3","1","1","6","4","1") = "5"
    & skf21("1","4","3","1","1","6","5","1") = "5"
    & skf21("1","4","3","1","1","6","6","1") = "5"
    & skf21("1","4","3","1","1","6","7","1") = "6"
    & skf21("1","4","3","1","1","7","1","1") = "6"
    & skf21("1","4","3","1","1","7","2","1") = "6"
    & skf21("1","4","3","1","1","7","3","1") = "6"
    & skf21("1","4","3","1","1","7","4","1") = "6"
    & skf21("1","4","3","1","1","7","5","1") = "6"
    & skf21("1","4","3","1","1","7","6","1") = "6"
    & skf21("1","4","3","1","1","7","7","1") = "6"
    & skf21("1","4","3","1","2","1","1","1") = "2"
    & skf21("1","4","3","1","2","1","2","1") = "3"
    & skf21("1","4","3","1","2","1","3","1") = "3"
    & skf21("1","4","3","1","2","1","4","1") = "3"
    & skf21("1","4","3","1","2","1","5","1") = "4"
    & skf21("1","4","3","1","2","1","6","1") = "5"
    & skf21("1","4","3","1","2","1","7","1") = "6"
    & skf21("1","4","3","1","2","2","1","1") = "3"
    & skf21("1","4","3","1","2","2","2","1") = "3"
    & skf21("1","4","3","1","2","2","3","1") = "3"
    & skf21("1","4","3","1","2","2","4","1") = "3"
    & skf21("1","4","3","1","2","2","5","1") = "4"
    & skf21("1","4","3","1","2","2","6","1") = "5"
    & skf21("1","4","3","1","2","2","7","1") = "6"
    & skf21("1","4","3","1","2","3","1","1") = "3"
    & skf21("1","4","3","1","2","3","2","1") = "3"
    & skf21("1","4","3","1","2","3","3","1") = "3"
    & skf21("1","4","3","1","2","3","4","1") = "3"
    & skf21("1","4","3","1","2","3","5","1") = "4"
    & skf21("1","4","3","1","2","3","6","1") = "5"
    & skf21("1","4","3","1","2","3","7","1") = "6"
    & skf21("1","4","3","1","2","4","1","1") = "3"
    & skf21("1","4","3","1","2","4","2","1") = "3"
    & skf21("1","4","3","1","2","4","3","1") = "3"
    & skf21("1","4","3","1","2","4","4","1") = "3"
    & skf21("1","4","3","1","2","4","5","1") = "4"
    & skf21("1","4","3","1","2","4","6","1") = "5"
    & skf21("1","4","3","1","2","4","7","1") = "6"
    & skf21("1","4","3","1","2","5","1","1") = "4"
    & skf21("1","4","3","1","2","5","2","1") = "4"
    & skf21("1","4","3","1","2","5","3","1") = "4"
    & skf21("1","4","3","1","2","5","4","1") = "4"
    & skf21("1","4","3","1","2","5","5","1") = "4"
    & skf21("1","4","3","1","2","5","6","1") = "5"
    & skf21("1","4","3","1","2","5","7","1") = "6"
    & skf21("1","4","3","1","2","6","1","1") = "5"
    & skf21("1","4","3","1","2","6","2","1") = "5"
    & skf21("1","4","3","1","2","6","3","1") = "5"
    & skf21("1","4","3","1","2","6","4","1") = "5"
    & skf21("1","4","3","1","2","6","5","1") = "5"
    & skf21("1","4","3","1","2","6","6","1") = "5"
    & skf21("1","4","3","1","2","6","7","1") = "6"
    & skf21("1","4","3","1","2","7","1","1") = "6"
    & skf21("1","4","3","1","2","7","2","1") = "6"
    & skf21("1","4","3","1","2","7","3","1") = "6"
    & skf21("1","4","3","1","2","7","4","1") = "6"
    & skf21("1","4","3","1","2","7","5","1") = "6"
    & skf21("1","4","3","1","2","7","6","1") = "6"
    & skf21("1","4","3","1","2","7","7","1") = "6"
    & skf21("1","4","3","1","3","1","1","1") = "3"
    & skf21("1","4","3","1","3","1","2","1") = "3"
    & skf21("1","4","3","1","3","1","3","1") = "3"
    & skf21("1","4","3","1","3","1","4","1") = "3"
    & skf21("1","4","3","1","3","1","5","1") = "4"
    & skf21("1","4","3","1","3","1","6","1") = "5"
    & skf21("1","4","3","1","3","1","7","1") = "6"
    & skf21("1","4","3","1","3","2","1","1") = "3"
    & skf21("1","4","3","1","3","2","2","1") = "3"
    & skf21("1","4","3","1","3","2","3","1") = "3"
    & skf21("1","4","3","1","3","2","4","1") = "3"
    & skf21("1","4","3","1","3","2","5","1") = "4"
    & skf21("1","4","3","1","3","2","6","1") = "5"
    & skf21("1","4","3","1","3","2","7","1") = "6"
    & skf21("1","4","3","1","3","3","1","1") = "3"
    & skf21("1","4","3","1","3","3","2","1") = "3"
    & skf21("1","4","3","1","3","3","3","1") = "3"
    & skf21("1","4","3","1","3","3","4","1") = "3"
    & skf21("1","4","3","1","3","3","5","1") = "4"
    & skf21("1","4","3","1","3","3","6","1") = "5"
    & skf21("1","4","3","1","3","3","7","1") = "6"
    & skf21("1","4","3","1","3","4","1","1") = "3"
    & skf21("1","4","3","1","3","4","2","1") = "3"
    & skf21("1","4","3","1","3","4","3","1") = "3"
    & skf21("1","4","3","1","3","4","4","1") = "3"
    & skf21("1","4","3","1","3","4","5","1") = "4"
    & skf21("1","4","3","1","3","4","6","1") = "5"
    & skf21("1","4","3","1","3","4","7","1") = "6"
    & skf21("1","4","3","1","3","5","1","1") = "4"
    & skf21("1","4","3","1","3","5","2","1") = "4"
    & skf21("1","4","3","1","3","5","3","1") = "4"
    & skf21("1","4","3","1","3","5","4","1") = "4"
    & skf21("1","4","3","1","3","5","5","1") = "4"
    & skf21("1","4","3","1","3","5","6","1") = "5"
    & skf21("1","4","3","1","3","5","7","1") = "6"
    & skf21("1","4","3","1","3","6","1","1") = "5"
    & skf21("1","4","3","1","3","6","2","1") = "5"
    & skf21("1","4","3","1","3","6","3","1") = "5"
    & skf21("1","4","3","1","3","6","4","1") = "5"
    & skf21("1","4","3","1","3","6","5","1") = "5"
    & skf21("1","4","3","1","3","6","6","1") = "5"
    & skf21("1","4","3","1","3","6","7","1") = "6"
    & skf21("1","4","3","1","3","7","1","1") = "6"
    & skf21("1","4","3","1","3","7","2","1") = "6"
    & skf21("1","4","3","1","3","7","3","1") = "6"
    & skf21("1","4","3","1","3","7","4","1") = "6"
    & skf21("1","4","3","1","3","7","5","1") = "6"
    & skf21("1","4","3","1","3","7","6","1") = "6"
    & skf21("1","4","3","1","3","7","7","1") = "6"
    & skf21("1","4","3","1","4","1","1","1") = "3"
    & skf21("1","4","3","1","4","1","2","1") = "3"
    & skf21("1","4","3","1","4","1","3","1") = "3"
    & skf21("1","4","3","1","4","1","4","1") = "3"
    & skf21("1","4","3","1","4","1","5","1") = "4"
    & skf21("1","4","3","1","4","1","6","1") = "5"
    & skf21("1","4","3","1","4","1","7","1") = "6"
    & skf21("1","4","3","1","4","2","1","1") = "3"
    & skf21("1","4","3","1","4","2","2","1") = "3"
    & skf21("1","4","3","1","4","2","3","1") = "3"
    & skf21("1","4","3","1","4","2","4","1") = "3"
    & skf21("1","4","3","1","4","2","5","1") = "4"
    & skf21("1","4","3","1","4","2","6","1") = "5"
    & skf21("1","4","3","1","4","2","7","1") = "6"
    & skf21("1","4","3","1","4","3","1","1") = "3"
    & skf21("1","4","3","1","4","3","2","1") = "3"
    & skf21("1","4","3","1","4","3","3","1") = "3"
    & skf21("1","4","3","1","4","3","4","1") = "3"
    & skf21("1","4","3","1","4","3","5","1") = "4"
    & skf21("1","4","3","1","4","3","6","1") = "5"
    & skf21("1","4","3","1","4","3","7","1") = "6"
    & skf21("1","4","3","1","4","4","1","1") = "3"
    & skf21("1","4","3","1","4","4","2","1") = "3"
    & skf21("1","4","3","1","4","4","3","1") = "3"
    & skf21("1","4","3","1","4","4","4","1") = "3"
    & skf21("1","4","3","1","4","4","5","1") = "4"
    & skf21("1","4","3","1","4","4","6","1") = "5"
    & skf21("1","4","3","1","4","4","7","1") = "6"
    & skf21("1","4","3","1","4","5","1","1") = "4"
    & skf21("1","4","3","1","4","5","2","1") = "4"
    & skf21("1","4","3","1","4","5","3","1") = "4"
    & skf21("1","4","3","1","4","5","4","1") = "4"
    & skf21("1","4","3","1","4","5","5","1") = "4"
    & skf21("1","4","3","1","4","5","6","1") = "5"
    & skf21("1","4","3","1","4","5","7","1") = "6"
    & skf21("1","4","3","1","4","6","1","1") = "5"
    & skf21("1","4","3","1","4","6","2","1") = "5"
    & skf21("1","4","3","1","4","6","3","1") = "5"
    & skf21("1","4","3","1","4","6","4","1") = "5"
    & skf21("1","4","3","1","4","6","5","1") = "5"
    & skf21("1","4","3","1","4","6","6","1") = "5"
    & skf21("1","4","3","1","4","6","7","1") = "6"
    & skf21("1","4","3","1","4","7","1","1") = "6"
    & skf21("1","4","3","1","4","7","2","1") = "6"
    & skf21("1","4","3","1","4","7","3","1") = "6"
    & skf21("1","4","3","1","4","7","4","1") = "6"
    & skf21("1","4","3","1","4","7","5","1") = "6"
    & skf21("1","4","3","1","4","7","6","1") = "6"
    & skf21("1","4","3","1","4","7","7","1") = "6"
    & skf21("1","4","3","1","5","1","1","1") = "4"
    & skf21("1","4","3","1","5","1","2","1") = "4"
    & skf21("1","4","3","1","5","1","3","1") = "4"
    & skf21("1","4","3","1","5","1","4","1") = "4"
    & skf21("1","4","3","1","5","1","5","1") = "4"
    & skf21("1","4","3","1","5","1","6","1") = "5"
    & skf21("1","4","3","1","5","1","7","1") = "6"
    & skf21("1","4","3","1","5","2","1","1") = "4"
    & skf21("1","4","3","1","5","2","2","1") = "4"
    & skf21("1","4","3","1","5","2","3","1") = "4"
    & skf21("1","4","3","1","5","2","4","1") = "4"
    & skf21("1","4","3","1","5","2","5","1") = "4"
    & skf21("1","4","3","1","5","2","6","1") = "5"
    & skf21("1","4","3","1","5","2","7","1") = "6"
    & skf21("1","4","3","1","5","3","1","1") = "4"
    & skf21("1","4","3","1","5","3","2","1") = "4"
    & skf21("1","4","3","1","5","3","3","1") = "4"
    & skf21("1","4","3","1","5","3","4","1") = "4"
    & skf21("1","4","3","1","5","3","5","1") = "4"
    & skf21("1","4","3","1","5","3","6","1") = "5"
    & skf21("1","4","3","1","5","3","7","1") = "6"
    & skf21("1","4","3","1","5","4","1","1") = "4"
    & skf21("1","4","3","1","5","4","2","1") = "4"
    & skf21("1","4","3","1","5","4","3","1") = "4"
    & skf21("1","4","3","1","5","4","4","1") = "4"
    & skf21("1","4","3","1","5","4","5","1") = "4"
    & skf21("1","4","3","1","5","4","6","1") = "5"
    & skf21("1","4","3","1","5","4","7","1") = "6"
    & skf21("1","4","3","1","5","5","1","1") = "4"
    & skf21("1","4","3","1","5","5","2","1") = "4"
    & skf21("1","4","3","1","5","5","3","1") = "4"
    & skf21("1","4","3","1","5","5","4","1") = "4"
    & skf21("1","4","3","1","5","5","5","1") = "4"
    & skf21("1","4","3","1","5","5","6","1") = "5"
    & skf21("1","4","3","1","5","5","7","1") = "6"
    & skf21("1","4","3","1","5","6","1","1") = "5"
    & skf21("1","4","3","1","5","6","2","1") = "5"
    & skf21("1","4","3","1","5","6","3","1") = "5"
    & skf21("1","4","3","1","5","6","4","1") = "5"
    & skf21("1","4","3","1","5","6","5","1") = "5"
    & skf21("1","4","3","1","5","6","6","1") = "5"
    & skf21("1","4","3","1","5","6","7","1") = "6"
    & skf21("1","4","3","1","5","7","1","1") = "6"
    & skf21("1","4","3","1","5","7","2","1") = "6"
    & skf21("1","4","3","1","5","7","3","1") = "6"
    & skf21("1","4","3","1","5","7","4","1") = "6"
    & skf21("1","4","3","1","5","7","5","1") = "6"
    & skf21("1","4","3","1","5","7","6","1") = "6"
    & skf21("1","4","3","1","5","7","7","1") = "6"
    & skf21("1","4","3","1","6","1","1","1") = "5"
    & skf21("1","4","3","1","6","1","2","1") = "5"
    & skf21("1","4","3","1","6","1","3","1") = "5"
    & skf21("1","4","3","1","6","1","4","1") = "5"
    & skf21("1","4","3","1","6","1","5","1") = "5"
    & skf21("1","4","3","1","6","1","6","1") = "5"
    & skf21("1","4","3","1","6","1","7","1") = "6"
    & skf21("1","4","3","1","6","2","1","1") = "5"
    & skf21("1","4","3","1","6","2","2","1") = "5"
    & skf21("1","4","3","1","6","2","3","1") = "5"
    & skf21("1","4","3","1","6","2","4","1") = "5"
    & skf21("1","4","3","1","6","2","5","1") = "5"
    & skf21("1","4","3","1","6","2","6","1") = "5"
    & skf21("1","4","3","1","6","2","7","1") = "6"
    & skf21("1","4","3","1","6","3","1","1") = "5"
    & skf21("1","4","3","1","6","3","2","1") = "5"
    & skf21("1","4","3","1","6","3","3","1") = "5"
    & skf21("1","4","3","1","6","3","4","1") = "5"
    & skf21("1","4","3","1","6","3","5","1") = "5"
    & skf21("1","4","3","1","6","3","6","1") = "5"
    & skf21("1","4","3","1","6","3","7","1") = "6"
    & skf21("1","4","3","1","6","4","1","1") = "5"
    & skf21("1","4","3","1","6","4","2","1") = "5"
    & skf21("1","4","3","1","6","4","3","1") = "5"
    & skf21("1","4","3","1","6","4","4","1") = "5"
    & skf21("1","4","3","1","6","4","5","1") = "5"
    & skf21("1","4","3","1","6","4","6","1") = "5"
    & skf21("1","4","3","1","6","4","7","1") = "6"
    & skf21("1","4","3","1","6","5","1","1") = "5"
    & skf21("1","4","3","1","6","5","2","1") = "5"
    & skf21("1","4","3","1","6","5","3","1") = "5"
    & skf21("1","4","3","1","6","5","4","1") = "5"
    & skf21("1","4","3","1","6","5","5","1") = "5"
    & skf21("1","4","3","1","6","5","6","1") = "5"
    & skf21("1","4","3","1","6","5","7","1") = "6"
    & skf21("1","4","3","1","6","6","1","1") = "5"
    & skf21("1","4","3","1","6","6","2","1") = "5"
    & skf21("1","4","3","1","6","6","3","1") = "5"
    & skf21("1","4","3","1","6","6","4","1") = "5"
    & skf21("1","4","3","1","6","6","5","1") = "5"
    & skf21("1","4","3","1","6","6","6","1") = "5"
    & skf21("1","4","3","1","6","6","7","1") = "6"
    & skf21("1","4","3","1","6","7","1","1") = "6"
    & skf21("1","4","3","1","6","7","2","1") = "6"
    & skf21("1","4","3","1","6","7","3","1") = "6"
    & skf21("1","4","3","1","6","7","4","1") = "6"
    & skf21("1","4","3","1","6","7","5","1") = "6"
    & skf21("1","4","3","1","6","7","6","1") = "6"
    & skf21("1","4","3","1","6","7","7","1") = "6"
    & skf21("1","4","3","1","7","1","1","1") = "6"
    & skf21("1","4","3","1","7","1","2","1") = "6"
    & skf21("1","4","3","1","7","1","3","1") = "6"
    & skf21("1","4","3","1","7","1","4","1") = "6"
    & skf21("1","4","3","1","7","1","5","1") = "6"
    & skf21("1","4","3","1","7","1","6","1") = "6"
    & skf21("1","4","3","1","7","1","7","1") = "6"
    & skf21("1","4","3","1","7","2","1","1") = "6"
    & skf21("1","4","3","1","7","2","2","1") = "6"
    & skf21("1","4","3","1","7","2","3","1") = "6"
    & skf21("1","4","3","1","7","2","4","1") = "6"
    & skf21("1","4","3","1","7","2","5","1") = "6"
    & skf21("1","4","3","1","7","2","6","1") = "6"
    & skf21("1","4","3","1","7","2","7","1") = "6"
    & skf21("1","4","3","1","7","3","1","1") = "6"
    & skf21("1","4","3","1","7","3","2","1") = "6"
    & skf21("1","4","3","1","7","3","3","1") = "6"
    & skf21("1","4","3","1","7","3","4","1") = "6"
    & skf21("1","4","3","1","7","3","5","1") = "6"
    & skf21("1","4","3","1","7","3","6","1") = "6"
    & skf21("1","4","3","1","7","3","7","1") = "6"
    & skf21("1","4","3","1","7","4","1","1") = "6"
    & skf21("1","4","3","1","7","4","2","1") = "6"
    & skf21("1","4","3","1","7","4","3","1") = "6"
    & skf21("1","4","3","1","7","4","4","1") = "6"
    & skf21("1","4","3","1","7","4","5","1") = "6"
    & skf21("1","4","3","1","7","4","6","1") = "6"
    & skf21("1","4","3","1","7","4","7","1") = "6"
    & skf21("1","4","3","1","7","5","1","1") = "6"
    & skf21("1","4","3","1","7","5","2","1") = "6"
    & skf21("1","4","3","1","7","5","3","1") = "6"
    & skf21("1","4","3","1","7","5","4","1") = "6"
    & skf21("1","4","3","1","7","5","5","1") = "6"
    & skf21("1","4","3","1","7","5","6","1") = "6"
    & skf21("1","4","3","1","7","5","7","1") = "6"
    & skf21("1","4","3","1","7","6","1","1") = "6"
    & skf21("1","4","3","1","7","6","2","1") = "6"
    & skf21("1","4","3","1","7","6","3","1") = "6"
    & skf21("1","4","3","1","7","6","4","1") = "6"
    & skf21("1","4","3","1","7","6","5","1") = "6"
    & skf21("1","4","3","1","7","6","6","1") = "6"
    & skf21("1","4","3","1","7","6","7","1") = "6"
    & skf21("1","4","3","1","7","7","1","1") = "6"
    & skf21("1","4","3","1","7","7","2","1") = "6"
    & skf21("1","4","3","1","7","7","3","1") = "6"
    & skf21("1","4","3","1","7","7","4","1") = "6"
    & skf21("1","4","3","1","7","7","5","1") = "6"
    & skf21("1","4","3","1","7","7","6","1") = "6"
    & skf21("1","4","3","1","7","7","7","1") = "6"
    & skf21("1","4","3","2","1","1","1","1") = "3"
    & skf21("1","4","3","2","1","1","2","1") = "3"
    & skf21("1","4","3","2","1","1","3","1") = "3"
    & skf21("1","4","3","2","1","1","4","1") = "3"
    & skf21("1","4","3","2","1","1","5","1") = "4"
    & skf21("1","4","3","2","1","1","6","1") = "5"
    & skf21("1","4","3","2","1","1","7","1") = "6"
    & skf21("1","4","3","2","1","2","1","1") = "3"
    & skf21("1","4","3","2","1","2","2","1") = "3"
    & skf21("1","4","3","2","1","2","3","1") = "3"
    & skf21("1","4","3","2","1","2","4","1") = "3"
    & skf21("1","4","3","2","1","2","5","1") = "4"
    & skf21("1","4","3","2","1","2","6","1") = "5"
    & skf21("1","4","3","2","1","2","7","1") = "6"
    & skf21("1","4","3","2","1","3","1","1") = "3"
    & skf21("1","4","3","2","1","3","2","1") = "3"
    & skf21("1","4","3","2","1","3","3","1") = "3"
    & skf21("1","4","3","2","1","3","4","1") = "3"
    & skf21("1","4","3","2","1","3","5","1") = "4"
    & skf21("1","4","3","2","1","3","6","1") = "5"
    & skf21("1","4","3","2","1","3","7","1") = "6"
    & skf21("1","4","3","2","1","4","1","1") = "3"
    & skf21("1","4","3","2","1","4","2","1") = "3"
    & skf21("1","4","3","2","1","4","3","1") = "3"
    & skf21("1","4","3","2","1","4","4","1") = "3"
    & skf21("1","4","3","2","1","4","5","1") = "4"
    & skf21("1","4","3","2","1","4","6","1") = "5"
    & skf21("1","4","3","2","1","4","7","1") = "6"
    & skf21("1","4","3","2","1","5","1","1") = "4"
    & skf21("1","4","3","2","1","5","2","1") = "4"
    & skf21("1","4","3","2","1","5","3","1") = "4"
    & skf21("1","4","3","2","1","5","4","1") = "4"
    & skf21("1","4","3","2","1","5","5","1") = "4"
    & skf21("1","4","3","2","1","5","6","1") = "5"
    & skf21("1","4","3","2","1","5","7","1") = "6"
    & skf21("1","4","3","2","1","6","1","1") = "5"
    & skf21("1","4","3","2","1","6","2","1") = "5"
    & skf21("1","4","3","2","1","6","3","1") = "5"
    & skf21("1","4","3","2","1","6","4","1") = "5"
    & skf21("1","4","3","2","1","6","5","1") = "5"
    & skf21("1","4","3","2","1","6","6","1") = "5"
    & skf21("1","4","3","2","1","6","7","1") = "6"
    & skf21("1","4","3","2","1","7","1","1") = "6"
    & skf21("1","4","3","2","1","7","2","1") = "6"
    & skf21("1","4","3","2","1","7","3","1") = "6"
    & skf21("1","4","3","2","1","7","4","1") = "6"
    & skf21("1","4","3","2","1","7","5","1") = "6"
    & skf21("1","4","3","2","1","7","6","1") = "6"
    & skf21("1","4","3","2","1","7","7","1") = "6"
    & skf21("1","4","3","2","2","1","1","1") = "3"
    & skf21("1","4","3","2","2","1","2","1") = "3"
    & skf21("1","4","3","2","2","1","3","1") = "3"
    & skf21("1","4","3","2","2","1","4","1") = "3"
    & skf21("1","4","3","2","2","1","5","1") = "4"
    & skf21("1","4","3","2","2","1","6","1") = "5"
    & skf21("1","4","3","2","2","1","7","1") = "6"
    & skf21("1","4","3","2","2","2","1","1") = "3"
    & skf21("1","4","3","2","2","2","2","1") = "3"
    & skf21("1","4","3","2","2","2","3","1") = "3"
    & skf21("1","4","3","2","2","2","4","1") = "3"
    & skf21("1","4","3","2","2","2","5","1") = "4"
    & skf21("1","4","3","2","2","2","6","1") = "5"
    & skf21("1","4","3","2","2","2","7","1") = "6"
    & skf21("1","4","3","2","2","3","1","1") = "3"
    & skf21("1","4","3","2","2","3","2","1") = "3"
    & skf21("1","4","3","2","2","3","3","1") = "3"
    & skf21("1","4","3","2","2","3","4","1") = "3"
    & skf21("1","4","3","2","2","3","5","1") = "4"
    & skf21("1","4","3","2","2","3","6","1") = "5"
    & skf21("1","4","3","2","2","3","7","1") = "6"
    & skf21("1","4","3","2","2","4","1","1") = "3"
    & skf21("1","4","3","2","2","4","2","1") = "3"
    & skf21("1","4","3","2","2","4","3","1") = "3"
    & skf21("1","4","3","2","2","4","4","1") = "3"
    & skf21("1","4","3","2","2","4","5","1") = "4"
    & skf21("1","4","3","2","2","4","6","1") = "5"
    & skf21("1","4","3","2","2","4","7","1") = "6"
    & skf21("1","4","3","2","2","5","1","1") = "4"
    & skf21("1","4","3","2","2","5","2","1") = "4"
    & skf21("1","4","3","2","2","5","3","1") = "4"
    & skf21("1","4","3","2","2","5","4","1") = "4"
    & skf21("1","4","3","2","2","5","5","1") = "4"
    & skf21("1","4","3","2","2","5","6","1") = "5"
    & skf21("1","4","3","2","2","5","7","1") = "6"
    & skf21("1","4","3","2","2","6","1","1") = "5"
    & skf21("1","4","3","2","2","6","2","1") = "5"
    & skf21("1","4","3","2","2","6","3","1") = "5"
    & skf21("1","4","3","2","2","6","4","1") = "5"
    & skf21("1","4","3","2","2","6","5","1") = "5"
    & skf21("1","4","3","2","2","6","6","1") = "5"
    & skf21("1","4","3","2","2","6","7","1") = "6"
    & skf21("1","4","3","2","2","7","1","1") = "6"
    & skf21("1","4","3","2","2","7","2","1") = "6"
    & skf21("1","4","3","2","2","7","3","1") = "6"
    & skf21("1","4","3","2","2","7","4","1") = "6"
    & skf21("1","4","3","2","2","7","5","1") = "6"
    & skf21("1","4","3","2","2","7","6","1") = "6"
    & skf21("1","4","3","2","2","7","7","1") = "6"
    & skf21("1","4","3","2","3","1","1","1") = "3"
    & skf21("1","4","3","2","3","1","2","1") = "3"
    & skf21("1","4","3","2","3","1","3","1") = "3"
    & skf21("1","4","3","2","3","1","4","1") = "3"
    & skf21("1","4","3","2","3","1","5","1") = "4"
    & skf21("1","4","3","2","3","1","6","1") = "5"
    & skf21("1","4","3","2","3","1","7","1") = "6"
    & skf21("1","4","3","2","3","2","1","1") = "3"
    & skf21("1","4","3","2","3","2","2","1") = "3"
    & skf21("1","4","3","2","3","2","3","1") = "3"
    & skf21("1","4","3","2","3","2","4","1") = "3"
    & skf21("1","4","3","2","3","2","5","1") = "4"
    & skf21("1","4","3","2","3","2","6","1") = "5"
    & skf21("1","4","3","2","3","2","7","1") = "6"
    & skf21("1","4","3","2","3","3","1","1") = "3"
    & skf21("1","4","3","2","3","3","2","1") = "3"
    & skf21("1","4","3","2","3","3","3","1") = "3"
    & skf21("1","4","3","2","3","3","4","1") = "3"
    & skf21("1","4","3","2","3","3","5","1") = "4"
    & skf21("1","4","3","2","3","3","6","1") = "5"
    & skf21("1","4","3","2","3","3","7","1") = "6"
    & skf21("1","4","3","2","3","4","1","1") = "3"
    & skf21("1","4","3","2","3","4","2","1") = "3"
    & skf21("1","4","3","2","3","4","3","1") = "3"
    & skf21("1","4","3","2","3","4","4","1") = "3"
    & skf21("1","4","3","2","3","4","5","1") = "4"
    & skf21("1","4","3","2","3","4","6","1") = "5"
    & skf21("1","4","3","2","3","4","7","1") = "6"
    & skf21("1","4","3","2","3","5","1","1") = "4"
    & skf21("1","4","3","2","3","5","2","1") = "4"
    & skf21("1","4","3","2","3","5","3","1") = "4"
    & skf21("1","4","3","2","3","5","4","1") = "4"
    & skf21("1","4","3","2","3","5","5","1") = "4"
    & skf21("1","4","3","2","3","5","6","1") = "5"
    & skf21("1","4","3","2","3","5","7","1") = "6"
    & skf21("1","4","3","2","3","6","1","1") = "5"
    & skf21("1","4","3","2","3","6","2","1") = "5"
    & skf21("1","4","3","2","3","6","3","1") = "5"
    & skf21("1","4","3","2","3","6","4","1") = "5"
    & skf21("1","4","3","2","3","6","5","1") = "5"
    & skf21("1","4","3","2","3","6","6","1") = "5"
    & skf21("1","4","3","2","3","6","7","1") = "6"
    & skf21("1","4","3","2","3","7","1","1") = "6"
    & skf21("1","4","3","2","3","7","2","1") = "6"
    & skf21("1","4","3","2","3","7","3","1") = "6"
    & skf21("1","4","3","2","3","7","4","1") = "6"
    & skf21("1","4","3","2","3","7","5","1") = "6"
    & skf21("1","4","3","2","3","7","6","1") = "6"
    & skf21("1","4","3","2","3","7","7","1") = "6"
    & skf21("1","4","3","2","4","1","1","1") = "3"
    & skf21("1","4","3","2","4","1","2","1") = "3"
    & skf21("1","4","3","2","4","1","3","1") = "3"
    & skf21("1","4","3","2","4","1","4","1") = "3"
    & skf21("1","4","3","2","4","1","5","1") = "4"
    & skf21("1","4","3","2","4","1","6","1") = "5"
    & skf21("1","4","3","2","4","1","7","1") = "6"
    & skf21("1","4","3","2","4","2","1","1") = "3"
    & skf21("1","4","3","2","4","2","2","1") = "3"
    & skf21("1","4","3","2","4","2","3","1") = "3"
    & skf21("1","4","3","2","4","2","4","1") = "3"
    & skf21("1","4","3","2","4","2","5","1") = "4"
    & skf21("1","4","3","2","4","2","6","1") = "5"
    & skf21("1","4","3","2","4","2","7","1") = "6"
    & skf21("1","4","3","2","4","3","1","1") = "3"
    & skf21("1","4","3","2","4","3","2","1") = "3"
    & skf21("1","4","3","2","4","3","3","1") = "3"
    & skf21("1","4","3","2","4","3","4","1") = "3"
    & skf21("1","4","3","2","4","3","5","1") = "4"
    & skf21("1","4","3","2","4","3","6","1") = "5"
    & skf21("1","4","3","2","4","3","7","1") = "6"
    & skf21("1","4","3","2","4","4","1","1") = "3"
    & skf21("1","4","3","2","4","4","2","1") = "3"
    & skf21("1","4","3","2","4","4","3","1") = "3"
    & skf21("1","4","3","2","4","4","4","1") = "3"
    & skf21("1","4","3","2","4","4","5","1") = "4"
    & skf21("1","4","3","2","4","4","6","1") = "5"
    & skf21("1","4","3","2","4","4","7","1") = "6"
    & skf21("1","4","3","2","4","5","1","1") = "4"
    & skf21("1","4","3","2","4","5","2","1") = "4"
    & skf21("1","4","3","2","4","5","3","1") = "4"
    & skf21("1","4","3","2","4","5","4","1") = "4"
    & skf21("1","4","3","2","4","5","5","1") = "4"
    & skf21("1","4","3","2","4","5","6","1") = "5"
    & skf21("1","4","3","2","4","5","7","1") = "6"
    & skf21("1","4","3","2","4","6","1","1") = "5"
    & skf21("1","4","3","2","4","6","2","1") = "5"
    & skf21("1","4","3","2","4","6","3","1") = "5"
    & skf21("1","4","3","2","4","6","4","1") = "5"
    & skf21("1","4","3","2","4","6","5","1") = "5"
    & skf21("1","4","3","2","4","6","6","1") = "5"
    & skf21("1","4","3","2","4","6","7","1") = "6"
    & skf21("1","4","3","2","4","7","1","1") = "6"
    & skf21("1","4","3","2","4","7","2","1") = "6"
    & skf21("1","4","3","2","4","7","3","1") = "6"
    & skf21("1","4","3","2","4","7","4","1") = "6"
    & skf21("1","4","3","2","4","7","5","1") = "6"
    & skf21("1","4","3","2","4","7","6","1") = "6"
    & skf21("1","4","3","2","4","7","7","1") = "6"
    & skf21("1","4","3","2","5","1","1","1") = "4"
    & skf21("1","4","3","2","5","1","2","1") = "4"
    & skf21("1","4","3","2","5","1","3","1") = "4"
    & skf21("1","4","3","2","5","1","4","1") = "4"
    & skf21("1","4","3","2","5","1","5","1") = "4"
    & skf21("1","4","3","2","5","1","6","1") = "5"
    & skf21("1","4","3","2","5","1","7","1") = "6"
    & skf21("1","4","3","2","5","2","1","1") = "4"
    & skf21("1","4","3","2","5","2","2","1") = "4"
    & skf21("1","4","3","2","5","2","3","1") = "4"
    & skf21("1","4","3","2","5","2","4","1") = "4"
    & skf21("1","4","3","2","5","2","5","1") = "4"
    & skf21("1","4","3","2","5","2","6","1") = "5"
    & skf21("1","4","3","2","5","2","7","1") = "6"
    & skf21("1","4","3","2","5","3","1","1") = "4"
    & skf21("1","4","3","2","5","3","2","1") = "4"
    & skf21("1","4","3","2","5","3","3","1") = "4"
    & skf21("1","4","3","2","5","3","4","1") = "4"
    & skf21("1","4","3","2","5","3","5","1") = "4"
    & skf21("1","4","3","2","5","3","6","1") = "5"
    & skf21("1","4","3","2","5","3","7","1") = "6"
    & skf21("1","4","3","2","5","4","1","1") = "4"
    & skf21("1","4","3","2","5","4","2","1") = "4"
    & skf21("1","4","3","2","5","4","3","1") = "4"
    & skf21("1","4","3","2","5","4","4","1") = "4"
    & skf21("1","4","3","2","5","4","5","1") = "4"
    & skf21("1","4","3","2","5","4","6","1") = "5"
    & skf21("1","4","3","2","5","4","7","1") = "6"
    & skf21("1","4","3","2","5","5","1","1") = "4"
    & skf21("1","4","3","2","5","5","2","1") = "4"
    & skf21("1","4","3","2","5","5","3","1") = "4"
    & skf21("1","4","3","2","5","5","4","1") = "4"
    & skf21("1","4","3","2","5","5","5","1") = "4"
    & skf21("1","4","3","2","5","5","6","1") = "5"
    & skf21("1","4","3","2","5","5","7","1") = "6"
    & skf21("1","4","3","2","5","6","1","1") = "5"
    & skf21("1","4","3","2","5","6","2","1") = "5"
    & skf21("1","4","3","2","5","6","3","1") = "5"
    & skf21("1","4","3","2","5","6","4","1") = "5"
    & skf21("1","4","3","2","5","6","5","1") = "5"
    & skf21("1","4","3","2","5","6","6","1") = "5"
    & skf21("1","4","3","2","5","6","7","1") = "6"
    & skf21("1","4","3","2","5","7","1","1") = "6"
    & skf21("1","4","3","2","5","7","2","1") = "6"
    & skf21("1","4","3","2","5","7","3","1") = "6"
    & skf21("1","4","3","2","5","7","4","1") = "6"
    & skf21("1","4","3","2","5","7","5","1") = "6"
    & skf21("1","4","3","2","5","7","6","1") = "6"
    & skf21("1","4","3","2","5","7","7","1") = "6"
    & skf21("1","4","3","2","6","1","1","1") = "5"
    & skf21("1","4","3","2","6","1","2","1") = "5"
    & skf21("1","4","3","2","6","1","3","1") = "5"
    & skf21("1","4","3","2","6","1","4","1") = "5"
    & skf21("1","4","3","2","6","1","5","1") = "5"
    & skf21("1","4","3","2","6","1","6","1") = "5"
    & skf21("1","4","3","2","6","1","7","1") = "6"
    & skf21("1","4","3","2","6","2","1","1") = "5"
    & skf21("1","4","3","2","6","2","2","1") = "5"
    & skf21("1","4","3","2","6","2","3","1") = "5"
    & skf21("1","4","3","2","6","2","4","1") = "5"
    & skf21("1","4","3","2","6","2","5","1") = "5"
    & skf21("1","4","3","2","6","2","6","1") = "5"
    & skf21("1","4","3","2","6","2","7","1") = "6"
    & skf21("1","4","3","2","6","3","1","1") = "5"
    & skf21("1","4","3","2","6","3","2","1") = "5"
    & skf21("1","4","3","2","6","3","3","1") = "5"
    & skf21("1","4","3","2","6","3","4","1") = "5"
    & skf21("1","4","3","2","6","3","5","1") = "5"
    & skf21("1","4","3","2","6","3","6","1") = "5"
    & skf21("1","4","3","2","6","3","7","1") = "6"
    & skf21("1","4","3","2","6","4","1","1") = "5"
    & skf21("1","4","3","2","6","4","2","1") = "5"
    & skf21("1","4","3","2","6","4","3","1") = "5"
    & skf21("1","4","3","2","6","4","4","1") = "5"
    & skf21("1","4","3","2","6","4","5","1") = "5"
    & skf21("1","4","3","2","6","4","6","1") = "5"
    & skf21("1","4","3","2","6","4","7","1") = "6"
    & skf21("1","4","3","2","6","5","1","1") = "5"
    & skf21("1","4","3","2","6","5","2","1") = "5"
    & skf21("1","4","3","2","6","5","3","1") = "5"
    & skf21("1","4","3","2","6","5","4","1") = "5"
    & skf21("1","4","3","2","6","5","5","1") = "5"
    & skf21("1","4","3","2","6","5","6","1") = "5"
    & skf21("1","4","3","2","6","5","7","1") = "6"
    & skf21("1","4","3","2","6","6","1","1") = "5"
    & skf21("1","4","3","2","6","6","2","1") = "5"
    & skf21("1","4","3","2","6","6","3","1") = "5"
    & skf21("1","4","3","2","6","6","4","1") = "5"
    & skf21("1","4","3","2","6","6","5","1") = "5"
    & skf21("1","4","3","2","6","6","6","1") = "5"
    & skf21("1","4","3","2","6","6","7","1") = "6"
    & skf21("1","4","3","2","6","7","1","1") = "6"
    & skf21("1","4","3","2","6","7","2","1") = "6"
    & skf21("1","4","3","2","6","7","3","1") = "6"
    & skf21("1","4","3","2","6","7","4","1") = "6"
    & skf21("1","4","3","2","6","7","5","1") = "6"
    & skf21("1","4","3","2","6","7","6","1") = "6"
    & skf21("1","4","3","2","6","7","7","1") = "6"
    & skf21("1","4","3","2","7","1","1","1") = "6"
    & skf21("1","4","3","2","7","1","2","1") = "6"
    & skf21("1","4","3","2","7","1","3","1") = "6"
    & skf21("1","4","3","2","7","1","4","1") = "6"
    & skf21("1","4","3","2","7","1","5","1") = "6"
    & skf21("1","4","3","2","7","1","6","1") = "6"
    & skf21("1","4","3","2","7","1","7","1") = "6"
    & skf21("1","4","3","2","7","2","1","1") = "6"
    & skf21("1","4","3","2","7","2","2","1") = "6"
    & skf21("1","4","3","2","7","2","3","1") = "6"
    & skf21("1","4","3","2","7","2","4","1") = "6"
    & skf21("1","4","3","2","7","2","5","1") = "6"
    & skf21("1","4","3","2","7","2","6","1") = "6"
    & skf21("1","4","3","2","7","2","7","1") = "6"
    & skf21("1","4","3","2","7","3","1","1") = "6"
    & skf21("1","4","3","2","7","3","2","1") = "6"
    & skf21("1","4","3","2","7","3","3","1") = "6"
    & skf21("1","4","3","2","7","3","4","1") = "6"
    & skf21("1","4","3","2","7","3","5","1") = "6"
    & skf21("1","4","3","2","7","3","6","1") = "6"
    & skf21("1","4","3","2","7","3","7","1") = "6"
    & skf21("1","4","3","2","7","4","1","1") = "6"
    & skf21("1","4","3","2","7","4","2","1") = "6"
    & skf21("1","4","3","2","7","4","3","1") = "6"
    & skf21("1","4","3","2","7","4","4","1") = "6"
    & skf21("1","4","3","2","7","4","5","1") = "6"
    & skf21("1","4","3","2","7","4","6","1") = "6"
    & skf21("1","4","3","2","7","4","7","1") = "6"
    & skf21("1","4","3","2","7","5","1","1") = "6"
    & skf21("1","4","3","2","7","5","2","1") = "6"
    & skf21("1","4","3","2","7","5","3","1") = "6"
    & skf21("1","4","3","2","7","5","4","1") = "6"
    & skf21("1","4","3","2","7","5","5","1") = "6"
    & skf21("1","4","3","2","7","5","6","1") = "6"
    & skf21("1","4","3","2","7","5","7","1") = "6"
    & skf21("1","4","3","2","7","6","1","1") = "6"
    & skf21("1","4","3","2","7","6","2","1") = "6"
    & skf21("1","4","3","2","7","6","3","1") = "6"
    & skf21("1","4","3","2","7","6","4","1") = "6"
    & skf21("1","4","3","2","7","6","5","1") = "6"
    & skf21("1","4","3","2","7","6","6","1") = "6"
    & skf21("1","4","3","2","7","6","7","1") = "6"
    & skf21("1","4","3","2","7","7","1","1") = "6"
    & skf21("1","4","3","2","7","7","2","1") = "6"
    & skf21("1","4","3","2","7","7","3","1") = "6"
    & skf21("1","4","3","2","7","7","4","1") = "6"
    & skf21("1","4","3","2","7","7","5","1") = "6"
    & skf21("1","4","3","2","7","7","6","1") = "6"
    & skf21("1","4","3","2","7","7","7","1") = "6"
    & skf21("1","4","3","3","1","1","1","1") = "3"
    & skf21("1","4","3","3","1","1","2","1") = "3"
    & skf21("1","4","3","3","1","1","3","1") = "3"
    & skf21("1","4","3","3","1","1","4","1") = "3"
    & skf21("1","4","3","3","1","1","5","1") = "4"
    & skf21("1","4","3","3","1","1","6","1") = "5"
    & skf21("1","4","3","3","1","1","7","1") = "6"
    & skf21("1","4","3","3","1","2","1","1") = "3"
    & skf21("1","4","3","3","1","2","2","1") = "3"
    & skf21("1","4","3","3","1","2","3","1") = "3"
    & skf21("1","4","3","3","1","2","4","1") = "3"
    & skf21("1","4","3","3","1","2","5","1") = "4"
    & skf21("1","4","3","3","1","2","6","1") = "5"
    & skf21("1","4","3","3","1","2","7","1") = "6"
    & skf21("1","4","3","3","1","3","1","1") = "3"
    & skf21("1","4","3","3","1","3","2","1") = "3"
    & skf21("1","4","3","3","1","3","3","1") = "3"
    & skf21("1","4","3","3","1","3","4","1") = "3"
    & skf21("1","4","3","3","1","3","5","1") = "4"
    & skf21("1","4","3","3","1","3","6","1") = "5"
    & skf21("1","4","3","3","1","3","7","1") = "6"
    & skf21("1","4","3","3","1","4","1","1") = "3"
    & skf21("1","4","3","3","1","4","2","1") = "3"
    & skf21("1","4","3","3","1","4","3","1") = "3"
    & skf21("1","4","3","3","1","4","4","1") = "3"
    & skf21("1","4","3","3","1","4","5","1") = "4"
    & skf21("1","4","3","3","1","4","6","1") = "5"
    & skf21("1","4","3","3","1","4","7","1") = "6"
    & skf21("1","4","3","3","1","5","1","1") = "4"
    & skf21("1","4","3","3","1","5","2","1") = "4"
    & skf21("1","4","3","3","1","5","3","1") = "4"
    & skf21("1","4","3","3","1","5","4","1") = "4"
    & skf21("1","4","3","3","1","5","5","1") = "4"
    & skf21("1","4","3","3","1","5","6","1") = "5"
    & skf21("1","4","3","3","1","5","7","1") = "6"
    & skf21("1","4","3","3","1","6","1","1") = "5"
    & skf21("1","4","3","3","1","6","2","1") = "5"
    & skf21("1","4","3","3","1","6","3","1") = "5"
    & skf21("1","4","3","3","1","6","4","1") = "5"
    & skf21("1","4","3","3","1","6","5","1") = "5"
    & skf21("1","4","3","3","1","6","6","1") = "5"
    & skf21("1","4","3","3","1","6","7","1") = "6"
    & skf21("1","4","3","3","1","7","1","1") = "6"
    & skf21("1","4","3","3","1","7","2","1") = "6"
    & skf21("1","4","3","3","1","7","3","1") = "6"
    & skf21("1","4","3","3","1","7","4","1") = "6"
    & skf21("1","4","3","3","1","7","5","1") = "6"
    & skf21("1","4","3","3","1","7","6","1") = "6"
    & skf21("1","4","3","3","1","7","7","1") = "6"
    & skf21("1","4","3","3","2","1","1","1") = "3"
    & skf21("1","4","3","3","2","1","2","1") = "3"
    & skf21("1","4","3","3","2","1","3","1") = "3"
    & skf21("1","4","3","3","2","1","4","1") = "3"
    & skf21("1","4","3","3","2","1","5","1") = "4"
    & skf21("1","4","3","3","2","1","6","1") = "5"
    & skf21("1","4","3","3","2","1","7","1") = "6"
    & skf21("1","4","3","3","2","2","1","1") = "3"
    & skf21("1","4","3","3","2","2","2","1") = "3"
    & skf21("1","4","3","3","2","2","3","1") = "3"
    & skf21("1","4","3","3","2","2","4","1") = "3"
    & skf21("1","4","3","3","2","2","5","1") = "4"
    & skf21("1","4","3","3","2","2","6","1") = "5"
    & skf21("1","4","3","3","2","2","7","1") = "6"
    & skf21("1","4","3","3","2","3","1","1") = "3"
    & skf21("1","4","3","3","2","3","2","1") = "3"
    & skf21("1","4","3","3","2","3","3","1") = "3"
    & skf21("1","4","3","3","2","3","4","1") = "3"
    & skf21("1","4","3","3","2","3","5","1") = "4"
    & skf21("1","4","3","3","2","3","6","1") = "5"
    & skf21("1","4","3","3","2","3","7","1") = "6"
    & skf21("1","4","3","3","2","4","1","1") = "3"
    & skf21("1","4","3","3","2","4","2","1") = "3"
    & skf21("1","4","3","3","2","4","3","1") = "3"
    & skf21("1","4","3","3","2","4","4","1") = "3"
    & skf21("1","4","3","3","2","4","5","1") = "4"
    & skf21("1","4","3","3","2","4","6","1") = "5"
    & skf21("1","4","3","3","2","4","7","1") = "6"
    & skf21("1","4","3","3","2","5","1","1") = "4"
    & skf21("1","4","3","3","2","5","2","1") = "4"
    & skf21("1","4","3","3","2","5","3","1") = "4"
    & skf21("1","4","3","3","2","5","4","1") = "4"
    & skf21("1","4","3","3","2","5","5","1") = "4"
    & skf21("1","4","3","3","2","5","6","1") = "5"
    & skf21("1","4","3","3","2","5","7","1") = "6"
    & skf21("1","4","3","3","2","6","1","1") = "5"
    & skf21("1","4","3","3","2","6","2","1") = "5"
    & skf21("1","4","3","3","2","6","3","1") = "5"
    & skf21("1","4","3","3","2","6","4","1") = "5"
    & skf21("1","4","3","3","2","6","5","1") = "5"
    & skf21("1","4","3","3","2","6","6","1") = "5"
    & skf21("1","4","3","3","2","6","7","1") = "6"
    & skf21("1","4","3","3","2","7","1","1") = "6"
    & skf21("1","4","3","3","2","7","2","1") = "6"
    & skf21("1","4","3","3","2","7","3","1") = "6"
    & skf21("1","4","3","3","2","7","4","1") = "6"
    & skf21("1","4","3","3","2","7","5","1") = "6"
    & skf21("1","4","3","3","2","7","6","1") = "6"
    & skf21("1","4","3","3","2","7","7","1") = "6"
    & skf21("1","4","3","3","3","1","1","1") = "3"
    & skf21("1","4","3","3","3","1","2","1") = "3"
    & skf21("1","4","3","3","3","1","3","1") = "3"
    & skf21("1","4","3","3","3","1","4","1") = "3"
    & skf21("1","4","3","3","3","1","5","1") = "4"
    & skf21("1","4","3","3","3","1","6","1") = "5"
    & skf21("1","4","3","3","3","1","7","1") = "6"
    & skf21("1","4","3","3","3","2","1","1") = "3"
    & skf21("1","4","3","3","3","2","2","1") = "3"
    & skf21("1","4","3","3","3","2","3","1") = "3"
    & skf21("1","4","3","3","3","2","4","1") = "3"
    & skf21("1","4","3","3","3","2","5","1") = "4"
    & skf21("1","4","3","3","3","2","6","1") = "5"
    & skf21("1","4","3","3","3","2","7","1") = "6"
    & skf21("1","4","3","3","3","3","1","1") = "3"
    & skf21("1","4","3","3","3","3","2","1") = "3"
    & skf21("1","4","3","3","3","3","3","1") = "3"
    & skf21("1","4","3","3","3","3","4","1") = "3"
    & skf21("1","4","3","3","3","3","5","1") = "4"
    & skf21("1","4","3","3","3","3","6","1") = "5"
    & skf21("1","4","3","3","3","3","7","1") = "6"
    & skf21("1","4","3","3","3","4","1","1") = "3"
    & skf21("1","4","3","3","3","4","2","1") = "3"
    & skf21("1","4","3","3","3","4","3","1") = "3"
    & skf21("1","4","3","3","3","4","4","1") = "3"
    & skf21("1","4","3","3","3","4","5","1") = "4"
    & skf21("1","4","3","3","3","4","6","1") = "5"
    & skf21("1","4","3","3","3","4","7","1") = "6"
    & skf21("1","4","3","3","3","5","1","1") = "4"
    & skf21("1","4","3","3","3","5","2","1") = "4"
    & skf21("1","4","3","3","3","5","3","1") = "4"
    & skf21("1","4","3","3","3","5","4","1") = "4"
    & skf21("1","4","3","3","3","5","5","1") = "4"
    & skf21("1","4","3","3","3","5","6","1") = "5"
    & skf21("1","4","3","3","3","5","7","1") = "6"
    & skf21("1","4","3","3","3","6","1","1") = "5"
    & skf21("1","4","3","3","3","6","2","1") = "5"
    & skf21("1","4","3","3","3","6","3","1") = "5"
    & skf21("1","4","3","3","3","6","4","1") = "5"
    & skf21("1","4","3","3","3","6","5","1") = "5"
    & skf21("1","4","3","3","3","6","6","1") = "5"
    & skf21("1","4","3","3","3","6","7","1") = "6"
    & skf21("1","4","3","3","3","7","1","1") = "6"
    & skf21("1","4","3","3","3","7","2","1") = "6"
    & skf21("1","4","3","3","3","7","3","1") = "6"
    & skf21("1","4","3","3","3","7","4","1") = "6"
    & skf21("1","4","3","3","3","7","5","1") = "6"
    & skf21("1","4","3","3","3","7","6","1") = "6"
    & skf21("1","4","3","3","3","7","7","1") = "6"
    & skf21("1","4","3","3","4","1","1","1") = "3"
    & skf21("1","4","3","3","4","1","2","1") = "3"
    & skf21("1","4","3","3","4","1","3","1") = "3"
    & skf21("1","4","3","3","4","1","4","1") = "3"
    & skf21("1","4","3","3","4","1","5","1") = "4"
    & skf21("1","4","3","3","4","1","6","1") = "5"
    & skf21("1","4","3","3","4","1","7","1") = "6"
    & skf21("1","4","3","3","4","2","1","1") = "3"
    & skf21("1","4","3","3","4","2","2","1") = "3"
    & skf21("1","4","3","3","4","2","3","1") = "3"
    & skf21("1","4","3","3","4","2","4","1") = "3"
    & skf21("1","4","3","3","4","2","5","1") = "4"
    & skf21("1","4","3","3","4","2","6","1") = "5"
    & skf21("1","4","3","3","4","2","7","1") = "6"
    & skf21("1","4","3","3","4","3","1","1") = "3"
    & skf21("1","4","3","3","4","3","2","1") = "3"
    & skf21("1","4","3","3","4","3","3","1") = "3"
    & skf21("1","4","3","3","4","3","4","1") = "3"
    & skf21("1","4","3","3","4","3","5","1") = "4"
    & skf21("1","4","3","3","4","3","6","1") = "5"
    & skf21("1","4","3","3","4","3","7","1") = "6"
    & skf21("1","4","3","3","4","4","1","1") = "3"
    & skf21("1","4","3","3","4","4","2","1") = "3"
    & skf21("1","4","3","3","4","4","3","1") = "3"
    & skf21("1","4","3","3","4","4","4","1") = "3"
    & skf21("1","4","3","3","4","4","5","1") = "4"
    & skf21("1","4","3","3","4","4","6","1") = "5"
    & skf21("1","4","3","3","4","4","7","1") = "6"
    & skf21("1","4","3","3","4","5","1","1") = "4"
    & skf21("1","4","3","3","4","5","2","1") = "4"
    & skf21("1","4","3","3","4","5","3","1") = "4"
    & skf21("1","4","3","3","4","5","4","1") = "4"
    & skf21("1","4","3","3","4","5","5","1") = "4"
    & skf21("1","4","3","3","4","5","6","1") = "5"
    & skf21("1","4","3","3","4","5","7","1") = "6"
    & skf21("1","4","3","3","4","6","1","1") = "5"
    & skf21("1","4","3","3","4","6","2","1") = "5"
    & skf21("1","4","3","3","4","6","3","1") = "5"
    & skf21("1","4","3","3","4","6","4","1") = "5"
    & skf21("1","4","3","3","4","6","5","1") = "5"
    & skf21("1","4","3","3","4","6","6","1") = "5"
    & skf21("1","4","3","3","4","6","7","1") = "6"
    & skf21("1","4","3","3","4","7","1","1") = "6"
    & skf21("1","4","3","3","4","7","2","1") = "6"
    & skf21("1","4","3","3","4","7","3","1") = "6"
    & skf21("1","4","3","3","4","7","4","1") = "6"
    & skf21("1","4","3","3","4","7","5","1") = "6"
    & skf21("1","4","3","3","4","7","6","1") = "6"
    & skf21("1","4","3","3","4","7","7","1") = "6"
    & skf21("1","4","3","3","5","1","1","1") = "4"
    & skf21("1","4","3","3","5","1","2","1") = "4"
    & skf21("1","4","3","3","5","1","3","1") = "4"
    & skf21("1","4","3","3","5","1","4","1") = "4"
    & skf21("1","4","3","3","5","1","5","1") = "4"
    & skf21("1","4","3","3","5","1","6","1") = "5"
    & skf21("1","4","3","3","5","1","7","1") = "6"
    & skf21("1","4","3","3","5","2","1","1") = "4"
    & skf21("1","4","3","3","5","2","2","1") = "4"
    & skf21("1","4","3","3","5","2","3","1") = "4"
    & skf21("1","4","3","3","5","2","4","1") = "4"
    & skf21("1","4","3","3","5","2","5","1") = "4"
    & skf21("1","4","3","3","5","2","6","1") = "5"
    & skf21("1","4","3","3","5","2","7","1") = "6"
    & skf21("1","4","3","3","5","3","1","1") = "4"
    & skf21("1","4","3","3","5","3","2","1") = "4"
    & skf21("1","4","3","3","5","3","3","1") = "4"
    & skf21("1","4","3","3","5","3","4","1") = "4"
    & skf21("1","4","3","3","5","3","5","1") = "4"
    & skf21("1","4","3","3","5","3","6","1") = "5"
    & skf21("1","4","3","3","5","3","7","1") = "6"
    & skf21("1","4","3","3","5","4","1","1") = "4"
    & skf21("1","4","3","3","5","4","2","1") = "4"
    & skf21("1","4","3","3","5","4","3","1") = "4"
    & skf21("1","4","3","3","5","4","4","1") = "4"
    & skf21("1","4","3","3","5","4","5","1") = "4"
    & skf21("1","4","3","3","5","4","6","1") = "5"
    & skf21("1","4","3","3","5","4","7","1") = "6"
    & skf21("1","4","3","3","5","5","1","1") = "4"
    & skf21("1","4","3","3","5","5","2","1") = "4"
    & skf21("1","4","3","3","5","5","3","1") = "4"
    & skf21("1","4","3","3","5","5","4","1") = "4"
    & skf21("1","4","3","3","5","5","5","1") = "4"
    & skf21("1","4","3","3","5","5","6","1") = "5"
    & skf21("1","4","3","3","5","5","7","1") = "6"
    & skf21("1","4","3","3","5","6","1","1") = "5"
    & skf21("1","4","3","3","5","6","2","1") = "5"
    & skf21("1","4","3","3","5","6","3","1") = "5"
    & skf21("1","4","3","3","5","6","4","1") = "5"
    & skf21("1","4","3","3","5","6","5","1") = "5"
    & skf21("1","4","3","3","5","6","6","1") = "5"
    & skf21("1","4","3","3","5","6","7","1") = "6"
    & skf21("1","4","3","3","5","7","1","1") = "6"
    & skf21("1","4","3","3","5","7","2","1") = "6"
    & skf21("1","4","3","3","5","7","3","1") = "6"
    & skf21("1","4","3","3","5","7","4","1") = "6"
    & skf21("1","4","3","3","5","7","5","1") = "6"
    & skf21("1","4","3","3","5","7","6","1") = "6"
    & skf21("1","4","3","3","5","7","7","1") = "6"
    & skf21("1","4","3","3","6","1","1","1") = "5"
    & skf21("1","4","3","3","6","1","2","1") = "5"
    & skf21("1","4","3","3","6","1","3","1") = "5"
    & skf21("1","4","3","3","6","1","4","1") = "5"
    & skf21("1","4","3","3","6","1","5","1") = "5"
    & skf21("1","4","3","3","6","1","6","1") = "5"
    & skf21("1","4","3","3","6","1","7","1") = "6"
    & skf21("1","4","3","3","6","2","1","1") = "5"
    & skf21("1","4","3","3","6","2","2","1") = "5"
    & skf21("1","4","3","3","6","2","3","1") = "5"
    & skf21("1","4","3","3","6","2","4","1") = "5"
    & skf21("1","4","3","3","6","2","5","1") = "5"
    & skf21("1","4","3","3","6","2","6","1") = "5"
    & skf21("1","4","3","3","6","2","7","1") = "6"
    & skf21("1","4","3","3","6","3","1","1") = "5"
    & skf21("1","4","3","3","6","3","2","1") = "5"
    & skf21("1","4","3","3","6","3","3","1") = "5"
    & skf21("1","4","3","3","6","3","4","1") = "5"
    & skf21("1","4","3","3","6","3","5","1") = "5"
    & skf21("1","4","3","3","6","3","6","1") = "5"
    & skf21("1","4","3","3","6","3","7","1") = "6"
    & skf21("1","4","3","3","6","4","1","1") = "5"
    & skf21("1","4","3","3","6","4","2","1") = "5"
    & skf21("1","4","3","3","6","4","3","1") = "5"
    & skf21("1","4","3","3","6","4","4","1") = "5"
    & skf21("1","4","3","3","6","4","5","1") = "5"
    & skf21("1","4","3","3","6","4","6","1") = "5"
    & skf21("1","4","3","3","6","4","7","1") = "6"
    & skf21("1","4","3","3","6","5","1","1") = "5"
    & skf21("1","4","3","3","6","5","2","1") = "5"
    & skf21("1","4","3","3","6","5","3","1") = "5"
    & skf21("1","4","3","3","6","5","4","1") = "5"
    & skf21("1","4","3","3","6","5","5","1") = "5"
    & skf21("1","4","3","3","6","5","6","1") = "5"
    & skf21("1","4","3","3","6","5","7","1") = "6"
    & skf21("1","4","3","3","6","6","1","1") = "5"
    & skf21("1","4","3","3","6","6","2","1") = "5"
    & skf21("1","4","3","3","6","6","3","1") = "5"
    & skf21("1","4","3","3","6","6","4","1") = "5"
    & skf21("1","4","3","3","6","6","5","1") = "5"
    & skf21("1","4","3","3","6","6","6","1") = "5"
    & skf21("1","4","3","3","6","6","7","1") = "6"
    & skf21("1","4","3","3","6","7","1","1") = "6"
    & skf21("1","4","3","3","6","7","2","1") = "6"
    & skf21("1","4","3","3","6","7","3","1") = "6"
    & skf21("1","4","3","3","6","7","4","1") = "6"
    & skf21("1","4","3","3","6","7","5","1") = "6"
    & skf21("1","4","3","3","6","7","6","1") = "6"
    & skf21("1","4","3","3","6","7","7","1") = "6"
    & skf21("1","4","3","3","7","1","1","1") = "6"
    & skf21("1","4","3","3","7","1","2","1") = "6"
    & skf21("1","4","3","3","7","1","3","1") = "6"
    & skf21("1","4","3","3","7","1","4","1") = "6"
    & skf21("1","4","3","3","7","1","5","1") = "6"
    & skf21("1","4","3","3","7","1","6","1") = "6"
    & skf21("1","4","3","3","7","1","7","1") = "6"
    & skf21("1","4","3","3","7","2","1","1") = "6"
    & skf21("1","4","3","3","7","2","2","1") = "6"
    & skf21("1","4","3","3","7","2","3","1") = "6"
    & skf21("1","4","3","3","7","2","4","1") = "6"
    & skf21("1","4","3","3","7","2","5","1") = "6"
    & skf21("1","4","3","3","7","2","6","1") = "6"
    & skf21("1","4","3","3","7","2","7","1") = "6"
    & skf21("1","4","3","3","7","3","1","1") = "6"
    & skf21("1","4","3","3","7","3","2","1") = "6"
    & skf21("1","4","3","3","7","3","3","1") = "6"
    & skf21("1","4","3","3","7","3","4","1") = "6"
    & skf21("1","4","3","3","7","3","5","1") = "6"
    & skf21("1","4","3","3","7","3","6","1") = "6"
    & skf21("1","4","3","3","7","3","7","1") = "6"
    & skf21("1","4","3","3","7","4","1","1") = "6"
    & skf21("1","4","3","3","7","4","2","1") = "6"
    & skf21("1","4","3","3","7","4","3","1") = "6"
    & skf21("1","4","3","3","7","4","4","1") = "6"
    & skf21("1","4","3","3","7","4","5","1") = "6"
    & skf21("1","4","3","3","7","4","6","1") = "6"
    & skf21("1","4","3","3","7","4","7","1") = "6"
    & skf21("1","4","3","3","7","5","1","1") = "6"
    & skf21("1","4","3","3","7","5","2","1") = "6"
    & skf21("1","4","3","3","7","5","3","1") = "6"
    & skf21("1","4","3","3","7","5","4","1") = "6"
    & skf21("1","4","3","3","7","5","5","1") = "6"
    & skf21("1","4","3","3","7","5","6","1") = "6"
    & skf21("1","4","3","3","7","5","7","1") = "6"
    & skf21("1","4","3","3","7","6","1","1") = "6"
    & skf21("1","4","3","3","7","6","2","1") = "6"
    & skf21("1","4","3","3","7","6","3","1") = "6"
    & skf21("1","4","3","3","7","6","4","1") = "6"
    & skf21("1","4","3","3","7","6","5","1") = "6"
    & skf21("1","4","3","3","7","6","6","1") = "6"
    & skf21("1","4","3","3","7","6","7","1") = "6"
    & skf21("1","4","3","3","7","7","1","1") = "6"
    & skf21("1","4","3","3","7","7","2","1") = "6"
    & skf21("1","4","3","3","7","7","3","1") = "6"
    & skf21("1","4","3","3","7","7","4","1") = "6"
    & skf21("1","4","3","3","7","7","5","1") = "6"
    & skf21("1","4","3","3","7","7","6","1") = "6"
    & skf21("1","4","3","3","7","7","7","1") = "6"
    & skf21("1","4","3","4","1","1","1","1") = "3"
    & skf21("1","4","3","4","1","1","2","1") = "3"
    & skf21("1","4","3","4","1","1","3","1") = "3"
    & skf21("1","4","3","4","1","1","4","1") = "3"
    & skf21("1","4","3","4","1","1","5","1") = "4"
    & skf21("1","4","3","4","1","1","6","1") = "5"
    & skf21("1","4","3","4","1","1","7","1") = "6"
    & skf21("1","4","3","4","1","2","1","1") = "3"
    & skf21("1","4","3","4","1","2","2","1") = "3"
    & skf21("1","4","3","4","1","2","3","1") = "3"
    & skf21("1","4","3","4","1","2","4","1") = "3"
    & skf21("1","4","3","4","1","2","5","1") = "4"
    & skf21("1","4","3","4","1","2","6","1") = "5"
    & skf21("1","4","3","4","1","2","7","1") = "6"
    & skf21("1","4","3","4","1","3","1","1") = "3"
    & skf21("1","4","3","4","1","3","2","1") = "3"
    & skf21("1","4","3","4","1","3","3","1") = "3"
    & skf21("1","4","3","4","1","3","4","1") = "3"
    & skf21("1","4","3","4","1","3","5","1") = "4"
    & skf21("1","4","3","4","1","3","6","1") = "5"
    & skf21("1","4","3","4","1","3","7","1") = "6"
    & skf21("1","4","3","4","1","4","1","1") = "3"
    & skf21("1","4","3","4","1","4","2","1") = "3"
    & skf21("1","4","3","4","1","4","3","1") = "3"
    & skf21("1","4","3","4","1","4","4","1") = "3"
    & skf21("1","4","3","4","1","4","5","1") = "4"
    & skf21("1","4","3","4","1","4","6","1") = "5"
    & skf21("1","4","3","4","1","4","7","1") = "6"
    & skf21("1","4","3","4","1","5","1","1") = "4"
    & skf21("1","4","3","4","1","5","2","1") = "4"
    & skf21("1","4","3","4","1","5","3","1") = "4"
    & skf21("1","4","3","4","1","5","4","1") = "4"
    & skf21("1","4","3","4","1","5","5","1") = "4"
    & skf21("1","4","3","4","1","5","6","1") = "5"
    & skf21("1","4","3","4","1","5","7","1") = "6"
    & skf21("1","4","3","4","1","6","1","1") = "5"
    & skf21("1","4","3","4","1","6","2","1") = "5"
    & skf21("1","4","3","4","1","6","3","1") = "5"
    & skf21("1","4","3","4","1","6","4","1") = "5"
    & skf21("1","4","3","4","1","6","5","1") = "5"
    & skf21("1","4","3","4","1","6","6","1") = "5"
    & skf21("1","4","3","4","1","6","7","1") = "6"
    & skf21("1","4","3","4","1","7","1","1") = "6"
    & skf21("1","4","3","4","1","7","2","1") = "6"
    & skf21("1","4","3","4","1","7","3","1") = "6"
    & skf21("1","4","3","4","1","7","4","1") = "6"
    & skf21("1","4","3","4","1","7","5","1") = "6"
    & skf21("1","4","3","4","1","7","6","1") = "6"
    & skf21("1","4","3","4","1","7","7","1") = "6"
    & skf21("1","4","3","4","2","1","1","1") = "3"
    & skf21("1","4","3","4","2","1","2","1") = "3"
    & skf21("1","4","3","4","2","1","3","1") = "3"
    & skf21("1","4","3","4","2","1","4","1") = "3"
    & skf21("1","4","3","4","2","1","5","1") = "4"
    & skf21("1","4","3","4","2","1","6","1") = "5"
    & skf21("1","4","3","4","2","1","7","1") = "6"
    & skf21("1","4","3","4","2","2","1","1") = "3"
    & skf21("1","4","3","4","2","2","2","1") = "3"
    & skf21("1","4","3","4","2","2","3","1") = "3"
    & skf21("1","4","3","4","2","2","4","1") = "3"
    & skf21("1","4","3","4","2","2","5","1") = "4"
    & skf21("1","4","3","4","2","2","6","1") = "5"
    & skf21("1","4","3","4","2","2","7","1") = "6"
    & skf21("1","4","3","4","2","3","1","1") = "3"
    & skf21("1","4","3","4","2","3","2","1") = "3"
    & skf21("1","4","3","4","2","3","3","1") = "3"
    & skf21("1","4","3","4","2","3","4","1") = "3"
    & skf21("1","4","3","4","2","3","5","1") = "4"
    & skf21("1","4","3","4","2","3","6","1") = "5"
    & skf21("1","4","3","4","2","3","7","1") = "6"
    & skf21("1","4","3","4","2","4","1","1") = "3"
    & skf21("1","4","3","4","2","4","2","1") = "3"
    & skf21("1","4","3","4","2","4","3","1") = "3"
    & skf21("1","4","3","4","2","4","4","1") = "3"
    & skf21("1","4","3","4","2","4","5","1") = "4"
    & skf21("1","4","3","4","2","4","6","1") = "5"
    & skf21("1","4","3","4","2","4","7","1") = "6"
    & skf21("1","4","3","4","2","5","1","1") = "4"
    & skf21("1","4","3","4","2","5","2","1") = "4"
    & skf21("1","4","3","4","2","5","3","1") = "4"
    & skf21("1","4","3","4","2","5","4","1") = "4"
    & skf21("1","4","3","4","2","5","5","1") = "4"
    & skf21("1","4","3","4","2","5","6","1") = "5"
    & skf21("1","4","3","4","2","5","7","1") = "6"
    & skf21("1","4","3","4","2","6","1","1") = "5"
    & skf21("1","4","3","4","2","6","2","1") = "5"
    & skf21("1","4","3","4","2","6","3","1") = "5"
    & skf21("1","4","3","4","2","6","4","1") = "5"
    & skf21("1","4","3","4","2","6","5","1") = "5"
    & skf21("1","4","3","4","2","6","6","1") = "5"
    & skf21("1","4","3","4","2","6","7","1") = "6"
    & skf21("1","4","3","4","2","7","1","1") = "6"
    & skf21("1","4","3","4","2","7","2","1") = "6"
    & skf21("1","4","3","4","2","7","3","1") = "6"
    & skf21("1","4","3","4","2","7","4","1") = "6"
    & skf21("1","4","3","4","2","7","5","1") = "6"
    & skf21("1","4","3","4","2","7","6","1") = "6"
    & skf21("1","4","3","4","2","7","7","1") = "6"
    & skf21("1","4","3","4","3","1","1","1") = "3"
    & skf21("1","4","3","4","3","1","2","1") = "3"
    & skf21("1","4","3","4","3","1","3","1") = "3"
    & skf21("1","4","3","4","3","1","4","1") = "3"
    & skf21("1","4","3","4","3","1","5","1") = "4"
    & skf21("1","4","3","4","3","1","6","1") = "5"
    & skf21("1","4","3","4","3","1","7","1") = "6"
    & skf21("1","4","3","4","3","2","1","1") = "3"
    & skf21("1","4","3","4","3","2","2","1") = "3"
    & skf21("1","4","3","4","3","2","3","1") = "3"
    & skf21("1","4","3","4","3","2","4","1") = "3"
    & skf21("1","4","3","4","3","2","5","1") = "4"
    & skf21("1","4","3","4","3","2","6","1") = "5"
    & skf21("1","4","3","4","3","2","7","1") = "6"
    & skf21("1","4","3","4","3","3","1","1") = "3"
    & skf21("1","4","3","4","3","3","2","1") = "3"
    & skf21("1","4","3","4","3","3","3","1") = "3"
    & skf21("1","4","3","4","3","3","4","1") = "3"
    & skf21("1","4","3","4","3","3","5","1") = "4"
    & skf21("1","4","3","4","3","3","6","1") = "5"
    & skf21("1","4","3","4","3","3","7","1") = "6"
    & skf21("1","4","3","4","3","4","1","1") = "3"
    & skf21("1","4","3","4","3","4","2","1") = "3"
    & skf21("1","4","3","4","3","4","3","1") = "3"
    & skf21("1","4","3","4","3","4","4","1") = "3"
    & skf21("1","4","3","4","3","4","5","1") = "4"
    & skf21("1","4","3","4","3","4","6","1") = "5"
    & skf21("1","4","3","4","3","4","7","1") = "6"
    & skf21("1","4","3","4","3","5","1","1") = "4"
    & skf21("1","4","3","4","3","5","2","1") = "4"
    & skf21("1","4","3","4","3","5","3","1") = "4"
    & skf21("1","4","3","4","3","5","4","1") = "4"
    & skf21("1","4","3","4","3","5","5","1") = "4"
    & skf21("1","4","3","4","3","5","6","1") = "5"
    & skf21("1","4","3","4","3","5","7","1") = "6"
    & skf21("1","4","3","4","3","6","1","1") = "5"
    & skf21("1","4","3","4","3","6","2","1") = "5"
    & skf21("1","4","3","4","3","6","3","1") = "5"
    & skf21("1","4","3","4","3","6","4","1") = "5"
    & skf21("1","4","3","4","3","6","5","1") = "5"
    & skf21("1","4","3","4","3","6","6","1") = "5"
    & skf21("1","4","3","4","3","6","7","1") = "6"
    & skf21("1","4","3","4","3","7","1","1") = "6"
    & skf21("1","4","3","4","3","7","2","1") = "6"
    & skf21("1","4","3","4","3","7","3","1") = "6"
    & skf21("1","4","3","4","3","7","4","1") = "6"
    & skf21("1","4","3","4","3","7","5","1") = "6"
    & skf21("1","4","3","4","3","7","6","1") = "6"
    & skf21("1","4","3","4","3","7","7","1") = "6"
    & skf21("1","4","3","4","4","1","1","1") = "3"
    & skf21("1","4","3","4","4","1","2","1") = "3"
    & skf21("1","4","3","4","4","1","3","1") = "3"
    & skf21("1","4","3","4","4","1","4","1") = "3"
    & skf21("1","4","3","4","4","1","5","1") = "4"
    & skf21("1","4","3","4","4","1","6","1") = "5"
    & skf21("1","4","3","4","4","1","7","1") = "6"
    & skf21("1","4","3","4","4","2","1","1") = "3"
    & skf21("1","4","3","4","4","2","2","1") = "3"
    & skf21("1","4","3","4","4","2","3","1") = "3"
    & skf21("1","4","3","4","4","2","4","1") = "3"
    & skf21("1","4","3","4","4","2","5","1") = "4"
    & skf21("1","4","3","4","4","2","6","1") = "5"
    & skf21("1","4","3","4","4","2","7","1") = "6"
    & skf21("1","4","3","4","4","3","1","1") = "3"
    & skf21("1","4","3","4","4","3","2","1") = "3"
    & skf21("1","4","3","4","4","3","3","1") = "3"
    & skf21("1","4","3","4","4","3","4","1") = "3"
    & skf21("1","4","3","4","4","3","5","1") = "4"
    & skf21("1","4","3","4","4","3","6","1") = "5"
    & skf21("1","4","3","4","4","3","7","1") = "6"
    & skf21("1","4","3","4","4","4","1","1") = "3"
    & skf21("1","4","3","4","4","4","2","1") = "3"
    & skf21("1","4","3","4","4","4","3","1") = "3"
    & skf21("1","4","3","4","4","4","4","1") = "3"
    & skf21("1","4","3","4","4","4","5","1") = "4"
    & skf21("1","4","3","4","4","4","6","1") = "5"
    & skf21("1","4","3","4","4","4","7","1") = "6"
    & skf21("1","4","3","4","4","5","1","1") = "4"
    & skf21("1","4","3","4","4","5","2","1") = "4"
    & skf21("1","4","3","4","4","5","3","1") = "4"
    & skf21("1","4","3","4","4","5","4","1") = "4"
    & skf21("1","4","3","4","4","5","5","1") = "4"
    & skf21("1","4","3","4","4","5","6","1") = "5"
    & skf21("1","4","3","4","4","5","7","1") = "6"
    & skf21("1","4","3","4","4","6","1","1") = "5"
    & skf21("1","4","3","4","4","6","2","1") = "5"
    & skf21("1","4","3","4","4","6","3","1") = "5"
    & skf21("1","4","3","4","4","6","4","1") = "5"
    & skf21("1","4","3","4","4","6","5","1") = "5"
    & skf21("1","4","3","4","4","6","6","1") = "5"
    & skf21("1","4","3","4","4","6","7","1") = "6"
    & skf21("1","4","3","4","4","7","1","1") = "6"
    & skf21("1","4","3","4","4","7","2","1") = "6"
    & skf21("1","4","3","4","4","7","3","1") = "6"
    & skf21("1","4","3","4","4","7","4","1") = "6"
    & skf21("1","4","3","4","4","7","5","1") = "6"
    & skf21("1","4","3","4","4","7","6","1") = "6"
    & skf21("1","4","3","4","4","7","7","1") = "6"
    & skf21("1","4","3","4","5","1","1","1") = "4"
    & skf21("1","4","3","4","5","1","2","1") = "4"
    & skf21("1","4","3","4","5","1","3","1") = "4"
    & skf21("1","4","3","4","5","1","4","1") = "4"
    & skf21("1","4","3","4","5","1","5","1") = "4"
    & skf21("1","4","3","4","5","1","6","1") = "5"
    & skf21("1","4","3","4","5","1","7","1") = "6"
    & skf21("1","4","3","4","5","2","1","1") = "4"
    & skf21("1","4","3","4","5","2","2","1") = "4"
    & skf21("1","4","3","4","5","2","3","1") = "4"
    & skf21("1","4","3","4","5","2","4","1") = "4"
    & skf21("1","4","3","4","5","2","5","1") = "4"
    & skf21("1","4","3","4","5","2","6","1") = "5"
    & skf21("1","4","3","4","5","2","7","1") = "6"
    & skf21("1","4","3","4","5","3","1","1") = "4"
    & skf21("1","4","3","4","5","3","2","1") = "4"
    & skf21("1","4","3","4","5","3","3","1") = "4"
    & skf21("1","4","3","4","5","3","4","1") = "4"
    & skf21("1","4","3","4","5","3","5","1") = "4"
    & skf21("1","4","3","4","5","3","6","1") = "5"
    & skf21("1","4","3","4","5","3","7","1") = "6"
    & skf21("1","4","3","4","5","4","1","1") = "4"
    & skf21("1","4","3","4","5","4","2","1") = "4"
    & skf21("1","4","3","4","5","4","3","1") = "4"
    & skf21("1","4","3","4","5","4","4","1") = "4"
    & skf21("1","4","3","4","5","4","5","1") = "4"
    & skf21("1","4","3","4","5","4","6","1") = "5"
    & skf21("1","4","3","4","5","4","7","1") = "6"
    & skf21("1","4","3","4","5","5","1","1") = "4"
    & skf21("1","4","3","4","5","5","2","1") = "4"
    & skf21("1","4","3","4","5","5","3","1") = "4"
    & skf21("1","4","3","4","5","5","4","1") = "4"
    & skf21("1","4","3","4","5","5","5","1") = "4"
    & skf21("1","4","3","4","5","5","6","1") = "5"
    & skf21("1","4","3","4","5","5","7","1") = "6"
    & skf21("1","4","3","4","5","6","1","1") = "5"
    & skf21("1","4","3","4","5","6","2","1") = "5"
    & skf21("1","4","3","4","5","6","3","1") = "5"
    & skf21("1","4","3","4","5","6","4","1") = "5"
    & skf21("1","4","3","4","5","6","5","1") = "5"
    & skf21("1","4","3","4","5","6","6","1") = "5"
    & skf21("1","4","3","4","5","6","7","1") = "6"
    & skf21("1","4","3","4","5","7","1","1") = "6"
    & skf21("1","4","3","4","5","7","2","1") = "6"
    & skf21("1","4","3","4","5","7","3","1") = "6"
    & skf21("1","4","3","4","5","7","4","1") = "6"
    & skf21("1","4","3","4","5","7","5","1") = "6"
    & skf21("1","4","3","4","5","7","6","1") = "6"
    & skf21("1","4","3","4","5","7","7","1") = "6"
    & skf21("1","4","3","4","6","1","1","1") = "5"
    & skf21("1","4","3","4","6","1","2","1") = "5"
    & skf21("1","4","3","4","6","1","3","1") = "5"
    & skf21("1","4","3","4","6","1","4","1") = "5"
    & skf21("1","4","3","4","6","1","5","1") = "5"
    & skf21("1","4","3","4","6","1","6","1") = "5"
    & skf21("1","4","3","4","6","1","7","1") = "6"
    & skf21("1","4","3","4","6","2","1","1") = "5"
    & skf21("1","4","3","4","6","2","2","1") = "5"
    & skf21("1","4","3","4","6","2","3","1") = "5"
    & skf21("1","4","3","4","6","2","4","1") = "5"
    & skf21("1","4","3","4","6","2","5","1") = "5"
    & skf21("1","4","3","4","6","2","6","1") = "5"
    & skf21("1","4","3","4","6","2","7","1") = "6"
    & skf21("1","4","3","4","6","3","1","1") = "5"
    & skf21("1","4","3","4","6","3","2","1") = "5"
    & skf21("1","4","3","4","6","3","3","1") = "5"
    & skf21("1","4","3","4","6","3","4","1") = "5"
    & skf21("1","4","3","4","6","3","5","1") = "5"
    & skf21("1","4","3","4","6","3","6","1") = "5"
    & skf21("1","4","3","4","6","3","7","1") = "6"
    & skf21("1","4","3","4","6","4","1","1") = "5"
    & skf21("1","4","3","4","6","4","2","1") = "5"
    & skf21("1","4","3","4","6","4","3","1") = "5"
    & skf21("1","4","3","4","6","4","4","1") = "5"
    & skf21("1","4","3","4","6","4","5","1") = "5"
    & skf21("1","4","3","4","6","4","6","1") = "5"
    & skf21("1","4","3","4","6","4","7","1") = "6"
    & skf21("1","4","3","4","6","5","1","1") = "5"
    & skf21("1","4","3","4","6","5","2","1") = "5"
    & skf21("1","4","3","4","6","5","3","1") = "5"
    & skf21("1","4","3","4","6","5","4","1") = "5"
    & skf21("1","4","3","4","6","5","5","1") = "5"
    & skf21("1","4","3","4","6","5","6","1") = "5"
    & skf21("1","4","3","4","6","5","7","1") = "6"
    & skf21("1","4","3","4","6","6","1","1") = "5"
    & skf21("1","4","3","4","6","6","2","1") = "5"
    & skf21("1","4","3","4","6","6","3","1") = "5"
    & skf21("1","4","3","4","6","6","4","1") = "5"
    & skf21("1","4","3","4","6","6","5","1") = "5"
    & skf21("1","4","3","4","6","6","6","1") = "5"
    & skf21("1","4","3","4","6","6","7","1") = "6"
    & skf21("1","4","3","4","6","7","1","1") = "6"
    & skf21("1","4","3","4","6","7","2","1") = "6"
    & skf21("1","4","3","4","6","7","3","1") = "6"
    & skf21("1","4","3","4","6","7","4","1") = "6"
    & skf21("1","4","3","4","6","7","5","1") = "6"
    & skf21("1","4","3","4","6","7","6","1") = "6"
    & skf21("1","4","3","4","6","7","7","1") = "6"
    & skf21("1","4","3","4","7","1","1","1") = "6"
    & skf21("1","4","3","4","7","1","2","1") = "6"
    & skf21("1","4","3","4","7","1","3","1") = "6"
    & skf21("1","4","3","4","7","1","4","1") = "6"
    & skf21("1","4","3","4","7","1","5","1") = "6"
    & skf21("1","4","3","4","7","1","6","1") = "6"
    & skf21("1","4","3","4","7","1","7","1") = "6"
    & skf21("1","4","3","4","7","2","1","1") = "6"
    & skf21("1","4","3","4","7","2","2","1") = "6"
    & skf21("1","4","3","4","7","2","3","1") = "6"
    & skf21("1","4","3","4","7","2","4","1") = "6"
    & skf21("1","4","3","4","7","2","5","1") = "6"
    & skf21("1","4","3","4","7","2","6","1") = "6"
    & skf21("1","4","3","4","7","2","7","1") = "6"
    & skf21("1","4","3","4","7","3","1","1") = "6"
    & skf21("1","4","3","4","7","3","2","1") = "6"
    & skf21("1","4","3","4","7","3","3","1") = "6"
    & skf21("1","4","3","4","7","3","4","1") = "6"
    & skf21("1","4","3","4","7","3","5","1") = "6"
    & skf21("1","4","3","4","7","3","6","1") = "6"
    & skf21("1","4","3","4","7","3","7","1") = "6"
    & skf21("1","4","3","4","7","4","1","1") = "6"
    & skf21("1","4","3","4","7","4","2","1") = "6"
    & skf21("1","4","3","4","7","4","3","1") = "6"
    & skf21("1","4","3","4","7","4","4","1") = "6"
    & skf21("1","4","3","4","7","4","5","1") = "6"
    & skf21("1","4","3","4","7","4","6","1") = "6"
    & skf21("1","4","3","4","7","4","7","1") = "6"
    & skf21("1","4","3","4","7","5","1","1") = "6"
    & skf21("1","4","3","4","7","5","2","1") = "6"
    & skf21("1","4","3","4","7","5","3","1") = "6"
    & skf21("1","4","3","4","7","5","4","1") = "6"
    & skf21("1","4","3","4","7","5","5","1") = "6"
    & skf21("1","4","3","4","7","5","6","1") = "6"
    & skf21("1","4","3","4","7","5","7","1") = "6"
    & skf21("1","4","3","4","7","6","1","1") = "6"
    & skf21("1","4","3","4","7","6","2","1") = "6"
    & skf21("1","4","3","4","7","6","3","1") = "6"
    & skf21("1","4","3","4","7","6","4","1") = "6"
    & skf21("1","4","3","4","7","6","5","1") = "6"
    & skf21("1","4","3","4","7","6","6","1") = "6"
    & skf21("1","4","3","4","7","6","7","1") = "6"
    & skf21("1","4","3","4","7","7","1","1") = "6"
    & skf21("1","4","3","4","7","7","2","1") = "6"
    & skf21("1","4","3","4","7","7","3","1") = "6"
    & skf21("1","4","3","4","7","7","4","1") = "6"
    & skf21("1","4","3","4","7","7","5","1") = "6"
    & skf21("1","4","3","4","7","7","6","1") = "6"
    & skf21("1","4","3","4","7","7","7","1") = "6"
    & skf21("1","4","3","5","1","1","1","1") = "4"
    & skf21("1","4","3","5","1","1","2","1") = "4"
    & skf21("1","4","3","5","1","1","3","1") = "4"
    & skf21("1","4","3","5","1","1","4","1") = "4"
    & skf21("1","4","3","5","1","1","5","1") = "4"
    & skf21("1","4","3","5","1","1","6","1") = "5"
    & skf21("1","4","3","5","1","1","7","1") = "6"
    & skf21("1","4","3","5","1","2","1","1") = "4"
    & skf21("1","4","3","5","1","2","2","1") = "4"
    & skf21("1","4","3","5","1","2","3","1") = "4"
    & skf21("1","4","3","5","1","2","4","1") = "4"
    & skf21("1","4","3","5","1","2","5","1") = "4"
    & skf21("1","4","3","5","1","2","6","1") = "5"
    & skf21("1","4","3","5","1","2","7","1") = "6"
    & skf21("1","4","3","5","1","3","1","1") = "4"
    & skf21("1","4","3","5","1","3","2","1") = "4"
    & skf21("1","4","3","5","1","3","3","1") = "4"
    & skf21("1","4","3","5","1","3","4","1") = "4"
    & skf21("1","4","3","5","1","3","5","1") = "4"
    & skf21("1","4","3","5","1","3","6","1") = "5"
    & skf21("1","4","3","5","1","3","7","1") = "6"
    & skf21("1","4","3","5","1","4","1","1") = "4"
    & skf21("1","4","3","5","1","4","2","1") = "4"
    & skf21("1","4","3","5","1","4","3","1") = "4"
    & skf21("1","4","3","5","1","4","4","1") = "4"
    & skf21("1","4","3","5","1","4","5","1") = "4"
    & skf21("1","4","3","5","1","4","6","1") = "5"
    & skf21("1","4","3","5","1","4","7","1") = "6"
    & skf21("1","4","3","5","1","5","1","1") = "4"
    & skf21("1","4","3","5","1","5","2","1") = "4"
    & skf21("1","4","3","5","1","5","3","1") = "4"
    & skf21("1","4","3","5","1","5","4","1") = "4"
    & skf21("1","4","3","5","1","5","5","1") = "4"
    & skf21("1","4","3","5","1","5","6","1") = "5"
    & skf21("1","4","3","5","1","5","7","1") = "6"
    & skf21("1","4","3","5","1","6","1","1") = "5"
    & skf21("1","4","3","5","1","6","2","1") = "5"
    & skf21("1","4","3","5","1","6","3","1") = "5"
    & skf21("1","4","3","5","1","6","4","1") = "5"
    & skf21("1","4","3","5","1","6","5","1") = "5"
    & skf21("1","4","3","5","1","6","6","1") = "5"
    & skf21("1","4","3","5","1","6","7","1") = "6"
    & skf21("1","4","3","5","1","7","1","1") = "6"
    & skf21("1","4","3","5","1","7","2","1") = "6"
    & skf21("1","4","3","5","1","7","3","1") = "6"
    & skf21("1","4","3","5","1","7","4","1") = "6"
    & skf21("1","4","3","5","1","7","5","1") = "6"
    & skf21("1","4","3","5","1","7","6","1") = "6"
    & skf21("1","4","3","5","1","7","7","1") = "6"
    & skf21("1","4","3","5","2","1","1","1") = "4"
    & skf21("1","4","3","5","2","1","2","1") = "4"
    & skf21("1","4","3","5","2","1","3","1") = "4"
    & skf21("1","4","3","5","2","1","4","1") = "4"
    & skf21("1","4","3","5","2","1","5","1") = "4"
    & skf21("1","4","3","5","2","1","6","1") = "5"
    & skf21("1","4","3","5","2","1","7","1") = "6"
    & skf21("1","4","3","5","2","2","1","1") = "4"
    & skf21("1","4","3","5","2","2","2","1") = "4"
    & skf21("1","4","3","5","2","2","3","1") = "4"
    & skf21("1","4","3","5","2","2","4","1") = "4"
    & skf21("1","4","3","5","2","2","5","1") = "4"
    & skf21("1","4","3","5","2","2","6","1") = "5"
    & skf21("1","4","3","5","2","2","7","1") = "6"
    & skf21("1","4","3","5","2","3","1","1") = "4"
    & skf21("1","4","3","5","2","3","2","1") = "4"
    & skf21("1","4","3","5","2","3","3","1") = "4"
    & skf21("1","4","3","5","2","3","4","1") = "4"
    & skf21("1","4","3","5","2","3","5","1") = "4"
    & skf21("1","4","3","5","2","3","6","1") = "5"
    & skf21("1","4","3","5","2","3","7","1") = "6"
    & skf21("1","4","3","5","2","4","1","1") = "4"
    & skf21("1","4","3","5","2","4","2","1") = "4"
    & skf21("1","4","3","5","2","4","3","1") = "4"
    & skf21("1","4","3","5","2","4","4","1") = "4"
    & skf21("1","4","3","5","2","4","5","1") = "4"
    & skf21("1","4","3","5","2","4","6","1") = "5"
    & skf21("1","4","3","5","2","4","7","1") = "6"
    & skf21("1","4","3","5","2","5","1","1") = "4"
    & skf21("1","4","3","5","2","5","2","1") = "4"
    & skf21("1","4","3","5","2","5","3","1") = "4"
    & skf21("1","4","3","5","2","5","4","1") = "4"
    & skf21("1","4","3","5","2","5","5","1") = "4"
    & skf21("1","4","3","5","2","5","6","1") = "5"
    & skf21("1","4","3","5","2","5","7","1") = "6"
    & skf21("1","4","3","5","2","6","1","1") = "5"
    & skf21("1","4","3","5","2","6","2","1") = "5"
    & skf21("1","4","3","5","2","6","3","1") = "5"
    & skf21("1","4","3","5","2","6","4","1") = "5"
    & skf21("1","4","3","5","2","6","5","1") = "5"
    & skf21("1","4","3","5","2","6","6","1") = "5"
    & skf21("1","4","3","5","2","6","7","1") = "6"
    & skf21("1","4","3","5","2","7","1","1") = "6"
    & skf21("1","4","3","5","2","7","2","1") = "6"
    & skf21("1","4","3","5","2","7","3","1") = "6"
    & skf21("1","4","3","5","2","7","4","1") = "6"
    & skf21("1","4","3","5","2","7","5","1") = "6"
    & skf21("1","4","3","5","2","7","6","1") = "6"
    & skf21("1","4","3","5","2","7","7","1") = "6"
    & skf21("1","4","3","5","3","1","1","1") = "4"
    & skf21("1","4","3","5","3","1","2","1") = "4"
    & skf21("1","4","3","5","3","1","3","1") = "4"
    & skf21("1","4","3","5","3","1","4","1") = "4"
    & skf21("1","4","3","5","3","1","5","1") = "4"
    & skf21("1","4","3","5","3","1","6","1") = "5"
    & skf21("1","4","3","5","3","1","7","1") = "6"
    & skf21("1","4","3","5","3","2","1","1") = "4"
    & skf21("1","4","3","5","3","2","2","1") = "4"
    & skf21("1","4","3","5","3","2","3","1") = "4"
    & skf21("1","4","3","5","3","2","4","1") = "4"
    & skf21("1","4","3","5","3","2","5","1") = "4"
    & skf21("1","4","3","5","3","2","6","1") = "5"
    & skf21("1","4","3","5","3","2","7","1") = "6"
    & skf21("1","4","3","5","3","3","1","1") = "4"
    & skf21("1","4","3","5","3","3","2","1") = "4"
    & skf21("1","4","3","5","3","3","3","1") = "4"
    & skf21("1","4","3","5","3","3","4","1") = "4"
    & skf21("1","4","3","5","3","3","5","1") = "4"
    & skf21("1","4","3","5","3","3","6","1") = "5"
    & skf21("1","4","3","5","3","3","7","1") = "6"
    & skf21("1","4","3","5","3","4","1","1") = "4"
    & skf21("1","4","3","5","3","4","2","1") = "4"
    & skf21("1","4","3","5","3","4","3","1") = "4"
    & skf21("1","4","3","5","3","4","4","1") = "4"
    & skf21("1","4","3","5","3","4","5","1") = "4"
    & skf21("1","4","3","5","3","4","6","1") = "5"
    & skf21("1","4","3","5","3","4","7","1") = "6"
    & skf21("1","4","3","5","3","5","1","1") = "4"
    & skf21("1","4","3","5","3","5","2","1") = "4"
    & skf21("1","4","3","5","3","5","3","1") = "4"
    & skf21("1","4","3","5","3","5","4","1") = "4"
    & skf21("1","4","3","5","3","5","5","1") = "4"
    & skf21("1","4","3","5","3","5","6","1") = "5"
    & skf21("1","4","3","5","3","5","7","1") = "6"
    & skf21("1","4","3","5","3","6","1","1") = "5"
    & skf21("1","4","3","5","3","6","2","1") = "5"
    & skf21("1","4","3","5","3","6","3","1") = "5"
    & skf21("1","4","3","5","3","6","4","1") = "5"
    & skf21("1","4","3","5","3","6","5","1") = "5"
    & skf21("1","4","3","5","3","6","6","1") = "5"
    & skf21("1","4","3","5","3","6","7","1") = "6"
    & skf21("1","4","3","5","3","7","1","1") = "6"
    & skf21("1","4","3","5","3","7","2","1") = "6"
    & skf21("1","4","3","5","3","7","3","1") = "6"
    & skf21("1","4","3","5","3","7","4","1") = "6"
    & skf21("1","4","3","5","3","7","5","1") = "6"
    & skf21("1","4","3","5","3","7","6","1") = "6"
    & skf21("1","4","3","5","3","7","7","1") = "6"
    & skf21("1","4","3","5","4","1","1","1") = "4"
    & skf21("1","4","3","5","4","1","2","1") = "4"
    & skf21("1","4","3","5","4","1","3","1") = "4"
    & skf21("1","4","3","5","4","1","4","1") = "4"
    & skf21("1","4","3","5","4","1","5","1") = "4"
    & skf21("1","4","3","5","4","1","6","1") = "5"
    & skf21("1","4","3","5","4","1","7","1") = "6"
    & skf21("1","4","3","5","4","2","1","1") = "4"
    & skf21("1","4","3","5","4","2","2","1") = "4"
    & skf21("1","4","3","5","4","2","3","1") = "4"
    & skf21("1","4","3","5","4","2","4","1") = "4"
    & skf21("1","4","3","5","4","2","5","1") = "4"
    & skf21("1","4","3","5","4","2","6","1") = "5"
    & skf21("1","4","3","5","4","2","7","1") = "6"
    & skf21("1","4","3","5","4","3","1","1") = "4"
    & skf21("1","4","3","5","4","3","2","1") = "4"
    & skf21("1","4","3","5","4","3","3","1") = "4"
    & skf21("1","4","3","5","4","3","4","1") = "4"
    & skf21("1","4","3","5","4","3","5","1") = "4"
    & skf21("1","4","3","5","4","3","6","1") = "5"
    & skf21("1","4","3","5","4","3","7","1") = "6"
    & skf21("1","4","3","5","4","4","1","1") = "4"
    & skf21("1","4","3","5","4","4","2","1") = "4"
    & skf21("1","4","3","5","4","4","3","1") = "4"
    & skf21("1","4","3","5","4","4","4","1") = "4"
    & skf21("1","4","3","5","4","4","5","1") = "4"
    & skf21("1","4","3","5","4","4","6","1") = "5"
    & skf21("1","4","3","5","4","4","7","1") = "6"
    & skf21("1","4","3","5","4","5","1","1") = "4"
    & skf21("1","4","3","5","4","5","2","1") = "4"
    & skf21("1","4","3","5","4","5","3","1") = "4"
    & skf21("1","4","3","5","4","5","4","1") = "4"
    & skf21("1","4","3","5","4","5","5","1") = "4"
    & skf21("1","4","3","5","4","5","6","1") = "5"
    & skf21("1","4","3","5","4","5","7","1") = "6"
    & skf21("1","4","3","5","4","6","1","1") = "5"
    & skf21("1","4","3","5","4","6","2","1") = "5"
    & skf21("1","4","3","5","4","6","3","1") = "5"
    & skf21("1","4","3","5","4","6","4","1") = "5"
    & skf21("1","4","3","5","4","6","5","1") = "5"
    & skf21("1","4","3","5","4","6","6","1") = "5"
    & skf21("1","4","3","5","4","6","7","1") = "6"
    & skf21("1","4","3","5","4","7","1","1") = "6"
    & skf21("1","4","3","5","4","7","2","1") = "6"
    & skf21("1","4","3","5","4","7","3","1") = "6"
    & skf21("1","4","3","5","4","7","4","1") = "6"
    & skf21("1","4","3","5","4","7","5","1") = "6"
    & skf21("1","4","3","5","4","7","6","1") = "6"
    & skf21("1","4","3","5","4","7","7","1") = "6"
    & skf21("1","4","3","5","5","1","1","1") = "4"
    & skf21("1","4","3","5","5","1","2","1") = "4"
    & skf21("1","4","3","5","5","1","3","1") = "4"
    & skf21("1","4","3","5","5","1","4","1") = "4"
    & skf21("1","4","3","5","5","1","5","1") = "4"
    & skf21("1","4","3","5","5","1","6","1") = "5"
    & skf21("1","4","3","5","5","1","7","1") = "6"
    & skf21("1","4","3","5","5","2","1","1") = "4"
    & skf21("1","4","3","5","5","2","2","1") = "4"
    & skf21("1","4","3","5","5","2","3","1") = "4"
    & skf21("1","4","3","5","5","2","4","1") = "4"
    & skf21("1","4","3","5","5","2","5","1") = "4"
    & skf21("1","4","3","5","5","2","6","1") = "5"
    & skf21("1","4","3","5","5","2","7","1") = "6"
    & skf21("1","4","3","5","5","3","1","1") = "4"
    & skf21("1","4","3","5","5","3","2","1") = "4"
    & skf21("1","4","3","5","5","3","3","1") = "4"
    & skf21("1","4","3","5","5","3","4","1") = "4"
    & skf21("1","4","3","5","5","3","5","1") = "4"
    & skf21("1","4","3","5","5","3","6","1") = "5"
    & skf21("1","4","3","5","5","3","7","1") = "6"
    & skf21("1","4","3","5","5","4","1","1") = "4"
    & skf21("1","4","3","5","5","4","2","1") = "4"
    & skf21("1","4","3","5","5","4","3","1") = "4"
    & skf21("1","4","3","5","5","4","4","1") = "4"
    & skf21("1","4","3","5","5","4","5","1") = "4"
    & skf21("1","4","3","5","5","4","6","1") = "5"
    & skf21("1","4","3","5","5","4","7","1") = "6"
    & skf21("1","4","3","5","5","5","1","1") = "4"
    & skf21("1","4","3","5","5","5","2","1") = "4"
    & skf21("1","4","3","5","5","5","3","1") = "4"
    & skf21("1","4","3","5","5","5","4","1") = "4"
    & skf21("1","4","3","5","5","5","5","1") = "4"
    & skf21("1","4","3","5","5","5","6","1") = "5"
    & skf21("1","4","3","5","5","5","7","1") = "6"
    & skf21("1","4","3","5","5","6","1","1") = "5"
    & skf21("1","4","3","5","5","6","2","1") = "5"
    & skf21("1","4","3","5","5","6","3","1") = "5"
    & skf21("1","4","3","5","5","6","4","1") = "5"
    & skf21("1","4","3","5","5","6","5","1") = "5"
    & skf21("1","4","3","5","5","6","6","1") = "5"
    & skf21("1","4","3","5","5","6","7","1") = "6"
    & skf21("1","4","3","5","5","7","1","1") = "6"
    & skf21("1","4","3","5","5","7","2","1") = "6"
    & skf21("1","4","3","5","5","7","3","1") = "6"
    & skf21("1","4","3","5","5","7","4","1") = "6"
    & skf21("1","4","3","5","5","7","5","1") = "6"
    & skf21("1","4","3","5","5","7","6","1") = "6"
    & skf21("1","4","3","5","5","7","7","1") = "6"
    & skf21("1","4","3","5","6","1","1","1") = "5"
    & skf21("1","4","3","5","6","1","2","1") = "5"
    & skf21("1","4","3","5","6","1","3","1") = "5"
    & skf21("1","4","3","5","6","1","4","1") = "5"
    & skf21("1","4","3","5","6","1","5","1") = "5"
    & skf21("1","4","3","5","6","1","6","1") = "5"
    & skf21("1","4","3","5","6","1","7","1") = "6"
    & skf21("1","4","3","5","6","2","1","1") = "5"
    & skf21("1","4","3","5","6","2","2","1") = "5"
    & skf21("1","4","3","5","6","2","3","1") = "5"
    & skf21("1","4","3","5","6","2","4","1") = "5"
    & skf21("1","4","3","5","6","2","5","1") = "5"
    & skf21("1","4","3","5","6","2","6","1") = "5"
    & skf21("1","4","3","5","6","2","7","1") = "6"
    & skf21("1","4","3","5","6","3","1","1") = "5"
    & skf21("1","4","3","5","6","3","2","1") = "5"
    & skf21("1","4","3","5","6","3","3","1") = "5"
    & skf21("1","4","3","5","6","3","4","1") = "5"
    & skf21("1","4","3","5","6","3","5","1") = "5"
    & skf21("1","4","3","5","6","3","6","1") = "5"
    & skf21("1","4","3","5","6","3","7","1") = "6"
    & skf21("1","4","3","5","6","4","1","1") = "5"
    & skf21("1","4","3","5","6","4","2","1") = "5"
    & skf21("1","4","3","5","6","4","3","1") = "5"
    & skf21("1","4","3","5","6","4","4","1") = "5"
    & skf21("1","4","3","5","6","4","5","1") = "5"
    & skf21("1","4","3","5","6","4","6","1") = "5"
    & skf21("1","4","3","5","6","4","7","1") = "6"
    & skf21("1","4","3","5","6","5","1","1") = "5"
    & skf21("1","4","3","5","6","5","2","1") = "5"
    & skf21("1","4","3","5","6","5","3","1") = "5"
    & skf21("1","4","3","5","6","5","4","1") = "5"
    & skf21("1","4","3","5","6","5","5","1") = "5"
    & skf21("1","4","3","5","6","5","6","1") = "5"
    & skf21("1","4","3","5","6","5","7","1") = "6"
    & skf21("1","4","3","5","6","6","1","1") = "5"
    & skf21("1","4","3","5","6","6","2","1") = "5"
    & skf21("1","4","3","5","6","6","3","1") = "5"
    & skf21("1","4","3","5","6","6","4","1") = "5"
    & skf21("1","4","3","5","6","6","5","1") = "5"
    & skf21("1","4","3","5","6","6","6","1") = "5"
    & skf21("1","4","3","5","6","6","7","1") = "6"
    & skf21("1","4","3","5","6","7","1","1") = "6"
    & skf21("1","4","3","5","6","7","2","1") = "6"
    & skf21("1","4","3","5","6","7","3","1") = "6"
    & skf21("1","4","3","5","6","7","4","1") = "6"
    & skf21("1","4","3","5","6","7","5","1") = "6"
    & skf21("1","4","3","5","6","7","6","1") = "6"
    & skf21("1","4","3","5","6","7","7","1") = "6"
    & skf21("1","4","3","5","7","1","1","1") = "6"
    & skf21("1","4","3","5","7","1","2","1") = "6"
    & skf21("1","4","3","5","7","1","3","1") = "6"
    & skf21("1","4","3","5","7","1","4","1") = "6"
    & skf21("1","4","3","5","7","1","5","1") = "6"
    & skf21("1","4","3","5","7","1","6","1") = "6"
    & skf21("1","4","3","5","7","1","7","1") = "6"
    & skf21("1","4","3","5","7","2","1","1") = "6"
    & skf21("1","4","3","5","7","2","2","1") = "6"
    & skf21("1","4","3","5","7","2","3","1") = "6"
    & skf21("1","4","3","5","7","2","4","1") = "6"
    & skf21("1","4","3","5","7","2","5","1") = "6"
    & skf21("1","4","3","5","7","2","6","1") = "6"
    & skf21("1","4","3","5","7","2","7","1") = "6"
    & skf21("1","4","3","5","7","3","1","1") = "6"
    & skf21("1","4","3","5","7","3","2","1") = "6"
    & skf21("1","4","3","5","7","3","3","1") = "6"
    & skf21("1","4","3","5","7","3","4","1") = "6"
    & skf21("1","4","3","5","7","3","5","1") = "6"
    & skf21("1","4","3","5","7","3","6","1") = "6"
    & skf21("1","4","3","5","7","3","7","1") = "6"
    & skf21("1","4","3","5","7","4","1","1") = "6"
    & skf21("1","4","3","5","7","4","2","1") = "6"
    & skf21("1","4","3","5","7","4","3","1") = "6"
    & skf21("1","4","3","5","7","4","4","1") = "6"
    & skf21("1","4","3","5","7","4","5","1") = "6"
    & skf21("1","4","3","5","7","4","6","1") = "6"
    & skf21("1","4","3","5","7","4","7","1") = "6"
    & skf21("1","4","3","5","7","5","1","1") = "6"
    & skf21("1","4","3","5","7","5","2","1") = "6"
    & skf21("1","4","3","5","7","5","3","1") = "6"
    & skf21("1","4","3","5","7","5","4","1") = "6"
    & skf21("1","4","3","5","7","5","5","1") = "6"
    & skf21("1","4","3","5","7","5","6","1") = "6"
    & skf21("1","4","3","5","7","5","7","1") = "6"
    & skf21("1","4","3","5","7","6","1","1") = "6"
    & skf21("1","4","3","5","7","6","2","1") = "6"
    & skf21("1","4","3","5","7","6","3","1") = "6"
    & skf21("1","4","3","5","7","6","4","1") = "6"
    & skf21("1","4","3","5","7","6","5","1") = "6"
    & skf21("1","4","3","5","7","6","6","1") = "6"
    & skf21("1","4","3","5","7","6","7","1") = "6"
    & skf21("1","4","3","5","7","7","1","1") = "6"
    & skf21("1","4","3","5","7","7","2","1") = "6"
    & skf21("1","4","3","5","7","7","3","1") = "6"
    & skf21("1","4","3","5","7","7","4","1") = "6"
    & skf21("1","4","3","5","7","7","5","1") = "6"
    & skf21("1","4","3","5","7","7","6","1") = "6"
    & skf21("1","4","3","5","7","7","7","1") = "6"
    & skf21("1","4","3","6","1","1","1","1") = "5"
    & skf21("1","4","3","6","1","1","2","1") = "5"
    & skf21("1","4","3","6","1","1","3","1") = "5"
    & skf21("1","4","3","6","1","1","4","1") = "5"
    & skf21("1","4","3","6","1","1","5","1") = "5"
    & skf21("1","4","3","6","1","1","6","1") = "5"
    & skf21("1","4","3","6","1","1","7","1") = "6"
    & skf21("1","4","3","6","1","2","1","1") = "5"
    & skf21("1","4","3","6","1","2","2","1") = "5"
    & skf21("1","4","3","6","1","2","3","1") = "5"
    & skf21("1","4","3","6","1","2","4","1") = "5"
    & skf21("1","4","3","6","1","2","5","1") = "5"
    & skf21("1","4","3","6","1","2","6","1") = "5"
    & skf21("1","4","3","6","1","2","7","1") = "6"
    & skf21("1","4","3","6","1","3","1","1") = "5"
    & skf21("1","4","3","6","1","3","2","1") = "5"
    & skf21("1","4","3","6","1","3","3","1") = "5"
    & skf21("1","4","3","6","1","3","4","1") = "5"
    & skf21("1","4","3","6","1","3","5","1") = "5"
    & skf21("1","4","3","6","1","3","6","1") = "5"
    & skf21("1","4","3","6","1","3","7","1") = "6"
    & skf21("1","4","3","6","1","4","1","1") = "5"
    & skf21("1","4","3","6","1","4","2","1") = "5"
    & skf21("1","4","3","6","1","4","3","1") = "5"
    & skf21("1","4","3","6","1","4","4","1") = "5"
    & skf21("1","4","3","6","1","4","5","1") = "5"
    & skf21("1","4","3","6","1","4","6","1") = "5"
    & skf21("1","4","3","6","1","4","7","1") = "6"
    & skf21("1","4","3","6","1","5","1","1") = "5"
    & skf21("1","4","3","6","1","5","2","1") = "5"
    & skf21("1","4","3","6","1","5","3","1") = "5"
    & skf21("1","4","3","6","1","5","4","1") = "5"
    & skf21("1","4","3","6","1","5","5","1") = "5"
    & skf21("1","4","3","6","1","5","6","1") = "5"
    & skf21("1","4","3","6","1","5","7","1") = "6"
    & skf21("1","4","3","6","1","6","1","1") = "5"
    & skf21("1","4","3","6","1","6","2","1") = "5"
    & skf21("1","4","3","6","1","6","3","1") = "5"
    & skf21("1","4","3","6","1","6","4","1") = "5"
    & skf21("1","4","3","6","1","6","5","1") = "5"
    & skf21("1","4","3","6","1","6","6","1") = "5"
    & skf21("1","4","3","6","1","6","7","1") = "6"
    & skf21("1","4","3","6","1","7","1","1") = "6"
    & skf21("1","4","3","6","1","7","2","1") = "6"
    & skf21("1","4","3","6","1","7","3","1") = "6"
    & skf21("1","4","3","6","1","7","4","1") = "6"
    & skf21("1","4","3","6","1","7","5","1") = "6"
    & skf21("1","4","3","6","1","7","6","1") = "6"
    & skf21("1","4","3","6","1","7","7","1") = "6"
    & skf21("1","4","3","6","2","1","1","1") = "5"
    & skf21("1","4","3","6","2","1","2","1") = "5"
    & skf21("1","4","3","6","2","1","3","1") = "5"
    & skf21("1","4","3","6","2","1","4","1") = "5"
    & skf21("1","4","3","6","2","1","5","1") = "5"
    & skf21("1","4","3","6","2","1","6","1") = "5"
    & skf21("1","4","3","6","2","1","7","1") = "6"
    & skf21("1","4","3","6","2","2","1","1") = "5"
    & skf21("1","4","3","6","2","2","2","1") = "5"
    & skf21("1","4","3","6","2","2","3","1") = "5"
    & skf21("1","4","3","6","2","2","4","1") = "5"
    & skf21("1","4","3","6","2","2","5","1") = "5"
    & skf21("1","4","3","6","2","2","6","1") = "5"
    & skf21("1","4","3","6","2","2","7","1") = "6"
    & skf21("1","4","3","6","2","3","1","1") = "5"
    & skf21("1","4","3","6","2","3","2","1") = "5"
    & skf21("1","4","3","6","2","3","3","1") = "5"
    & skf21("1","4","3","6","2","3","4","1") = "5"
    & skf21("1","4","3","6","2","3","5","1") = "5"
    & skf21("1","4","3","6","2","3","6","1") = "5"
    & skf21("1","4","3","6","2","3","7","1") = "6"
    & skf21("1","4","3","6","2","4","1","1") = "5"
    & skf21("1","4","3","6","2","4","2","1") = "5"
    & skf21("1","4","3","6","2","4","3","1") = "5"
    & skf21("1","4","3","6","2","4","4","1") = "5"
    & skf21("1","4","3","6","2","4","5","1") = "5"
    & skf21("1","4","3","6","2","4","6","1") = "5"
    & skf21("1","4","3","6","2","4","7","1") = "6"
    & skf21("1","4","3","6","2","5","1","1") = "5"
    & skf21("1","4","3","6","2","5","2","1") = "5"
    & skf21("1","4","3","6","2","5","3","1") = "5"
    & skf21("1","4","3","6","2","5","4","1") = "5"
    & skf21("1","4","3","6","2","5","5","1") = "5"
    & skf21("1","4","3","6","2","5","6","1") = "5"
    & skf21("1","4","3","6","2","5","7","1") = "6"
    & skf21("1","4","3","6","2","6","1","1") = "5"
    & skf21("1","4","3","6","2","6","2","1") = "5"
    & skf21("1","4","3","6","2","6","3","1") = "5"
    & skf21("1","4","3","6","2","6","4","1") = "5"
    & skf21("1","4","3","6","2","6","5","1") = "5"
    & skf21("1","4","3","6","2","6","6","1") = "5"
    & skf21("1","4","3","6","2","6","7","1") = "6"
    & skf21("1","4","3","6","2","7","1","1") = "6"
    & skf21("1","4","3","6","2","7","2","1") = "6"
    & skf21("1","4","3","6","2","7","3","1") = "6"
    & skf21("1","4","3","6","2","7","4","1") = "6"
    & skf21("1","4","3","6","2","7","5","1") = "6"
    & skf21("1","4","3","6","2","7","6","1") = "6"
    & skf21("1","4","3","6","2","7","7","1") = "6"
    & skf21("1","4","3","6","3","1","1","1") = "5"
    & skf21("1","4","3","6","3","1","2","1") = "5"
    & skf21("1","4","3","6","3","1","3","1") = "5"
    & skf21("1","4","3","6","3","1","4","1") = "5"
    & skf21("1","4","3","6","3","1","5","1") = "5"
    & skf21("1","4","3","6","3","1","6","1") = "5"
    & skf21("1","4","3","6","3","1","7","1") = "6"
    & skf21("1","4","3","6","3","2","1","1") = "5"
    & skf21("1","4","3","6","3","2","2","1") = "5"
    & skf21("1","4","3","6","3","2","3","1") = "5"
    & skf21("1","4","3","6","3","2","4","1") = "5"
    & skf21("1","4","3","6","3","2","5","1") = "5"
    & skf21("1","4","3","6","3","2","6","1") = "5"
    & skf21("1","4","3","6","3","2","7","1") = "6"
    & skf21("1","4","3","6","3","3","1","1") = "5"
    & skf21("1","4","3","6","3","3","2","1") = "5"
    & skf21("1","4","3","6","3","3","3","1") = "5"
    & skf21("1","4","3","6","3","3","4","1") = "5"
    & skf21("1","4","3","6","3","3","5","1") = "5"
    & skf21("1","4","3","6","3","3","6","1") = "5"
    & skf21("1","4","3","6","3","3","7","1") = "6"
    & skf21("1","4","3","6","3","4","1","1") = "5"
    & skf21("1","4","3","6","3","4","2","1") = "5"
    & skf21("1","4","3","6","3","4","3","1") = "5"
    & skf21("1","4","3","6","3","4","4","1") = "5"
    & skf21("1","4","3","6","3","4","5","1") = "5"
    & skf21("1","4","3","6","3","4","6","1") = "5"
    & skf21("1","4","3","6","3","4","7","1") = "6"
    & skf21("1","4","3","6","3","5","1","1") = "5"
    & skf21("1","4","3","6","3","5","2","1") = "5"
    & skf21("1","4","3","6","3","5","3","1") = "5"
    & skf21("1","4","3","6","3","5","4","1") = "5"
    & skf21("1","4","3","6","3","5","5","1") = "5"
    & skf21("1","4","3","6","3","5","6","1") = "5"
    & skf21("1","4","3","6","3","5","7","1") = "6"
    & skf21("1","4","3","6","3","6","1","1") = "5"
    & skf21("1","4","3","6","3","6","2","1") = "5"
    & skf21("1","4","3","6","3","6","3","1") = "5"
    & skf21("1","4","3","6","3","6","4","1") = "5"
    & skf21("1","4","3","6","3","6","5","1") = "5"
    & skf21("1","4","3","6","3","6","6","1") = "5"
    & skf21("1","4","3","6","3","6","7","1") = "6"
    & skf21("1","4","3","6","3","7","1","1") = "6"
    & skf21("1","4","3","6","3","7","2","1") = "6"
    & skf21("1","4","3","6","3","7","3","1") = "6"
    & skf21("1","4","3","6","3","7","4","1") = "6"
    & skf21("1","4","3","6","3","7","5","1") = "6"
    & skf21("1","4","3","6","3","7","6","1") = "6"
    & skf21("1","4","3","6","3","7","7","1") = "6"
    & skf21("1","4","3","6","4","1","1","1") = "5"
    & skf21("1","4","3","6","4","1","2","1") = "5"
    & skf21("1","4","3","6","4","1","3","1") = "5"
    & skf21("1","4","3","6","4","1","4","1") = "5"
    & skf21("1","4","3","6","4","1","5","1") = "5"
    & skf21("1","4","3","6","4","1","6","1") = "5"
    & skf21("1","4","3","6","4","1","7","1") = "6"
    & skf21("1","4","3","6","4","2","1","1") = "5"
    & skf21("1","4","3","6","4","2","2","1") = "5"
    & skf21("1","4","3","6","4","2","3","1") = "5"
    & skf21("1","4","3","6","4","2","4","1") = "5"
    & skf21("1","4","3","6","4","2","5","1") = "5"
    & skf21("1","4","3","6","4","2","6","1") = "5"
    & skf21("1","4","3","6","4","2","7","1") = "6"
    & skf21("1","4","3","6","4","3","1","1") = "5"
    & skf21("1","4","3","6","4","3","2","1") = "5"
    & skf21("1","4","3","6","4","3","3","1") = "5"
    & skf21("1","4","3","6","4","3","4","1") = "5"
    & skf21("1","4","3","6","4","3","5","1") = "5"
    & skf21("1","4","3","6","4","3","6","1") = "5"
    & skf21("1","4","3","6","4","3","7","1") = "6"
    & skf21("1","4","3","6","4","4","1","1") = "5"
    & skf21("1","4","3","6","4","4","2","1") = "5"
    & skf21("1","4","3","6","4","4","3","1") = "5"
    & skf21("1","4","3","6","4","4","4","1") = "5"
    & skf21("1","4","3","6","4","4","5","1") = "5"
    & skf21("1","4","3","6","4","4","6","1") = "5"
    & skf21("1","4","3","6","4","4","7","1") = "6"
    & skf21("1","4","3","6","4","5","1","1") = "5"
    & skf21("1","4","3","6","4","5","2","1") = "5"
    & skf21("1","4","3","6","4","5","3","1") = "5"
    & skf21("1","4","3","6","4","5","4","1") = "5"
    & skf21("1","4","3","6","4","5","5","1") = "5"
    & skf21("1","4","3","6","4","5","6","1") = "5"
    & skf21("1","4","3","6","4","5","7","1") = "6"
    & skf21("1","4","3","6","4","6","1","1") = "5"
    & skf21("1","4","3","6","4","6","2","1") = "5"
    & skf21("1","4","3","6","4","6","3","1") = "5"
    & skf21("1","4","3","6","4","6","4","1") = "5"
    & skf21("1","4","3","6","4","6","5","1") = "5"
    & skf21("1","4","3","6","4","6","6","1") = "5"
    & skf21("1","4","3","6","4","6","7","1") = "6"
    & skf21("1","4","3","6","4","7","1","1") = "6"
    & skf21("1","4","3","6","4","7","2","1") = "6"
    & skf21("1","4","3","6","4","7","3","1") = "6"
    & skf21("1","4","3","6","4","7","4","1") = "6"
    & skf21("1","4","3","6","4","7","5","1") = "6"
    & skf21("1","4","3","6","4","7","6","1") = "6"
    & skf21("1","4","3","6","4","7","7","1") = "6"
    & skf21("1","4","3","6","5","1","1","1") = "5"
    & skf21("1","4","3","6","5","1","2","1") = "5"
    & skf21("1","4","3","6","5","1","3","1") = "5"
    & skf21("1","4","3","6","5","1","4","1") = "5"
    & skf21("1","4","3","6","5","1","5","1") = "5"
    & skf21("1","4","3","6","5","1","6","1") = "5"
    & skf21("1","4","3","6","5","1","7","1") = "6"
    & skf21("1","4","3","6","5","2","1","1") = "5"
    & skf21("1","4","3","6","5","2","2","1") = "5"
    & skf21("1","4","3","6","5","2","3","1") = "5"
    & skf21("1","4","3","6","5","2","4","1") = "5"
    & skf21("1","4","3","6","5","2","5","1") = "5"
    & skf21("1","4","3","6","5","2","6","1") = "5"
    & skf21("1","4","3","6","5","2","7","1") = "6"
    & skf21("1","4","3","6","5","3","1","1") = "5"
    & skf21("1","4","3","6","5","3","2","1") = "5"
    & skf21("1","4","3","6","5","3","3","1") = "5"
    & skf21("1","4","3","6","5","3","4","1") = "5"
    & skf21("1","4","3","6","5","3","5","1") = "5"
    & skf21("1","4","3","6","5","3","6","1") = "5"
    & skf21("1","4","3","6","5","3","7","1") = "6"
    & skf21("1","4","3","6","5","4","1","1") = "5"
    & skf21("1","4","3","6","5","4","2","1") = "5"
    & skf21("1","4","3","6","5","4","3","1") = "5"
    & skf21("1","4","3","6","5","4","4","1") = "5"
    & skf21("1","4","3","6","5","4","5","1") = "5"
    & skf21("1","4","3","6","5","4","6","1") = "5"
    & skf21("1","4","3","6","5","4","7","1") = "6"
    & skf21("1","4","3","6","5","5","1","1") = "5"
    & skf21("1","4","3","6","5","5","2","1") = "5"
    & skf21("1","4","3","6","5","5","3","1") = "5"
    & skf21("1","4","3","6","5","5","4","1") = "5"
    & skf21("1","4","3","6","5","5","5","1") = "5"
    & skf21("1","4","3","6","5","5","6","1") = "5"
    & skf21("1","4","3","6","5","5","7","1") = "6"
    & skf21("1","4","3","6","5","6","1","1") = "5"
    & skf21("1","4","3","6","5","6","2","1") = "5"
    & skf21("1","4","3","6","5","6","3","1") = "5"
    & skf21("1","4","3","6","5","6","4","1") = "5"
    & skf21("1","4","3","6","5","6","5","1") = "5"
    & skf21("1","4","3","6","5","6","6","1") = "5"
    & skf21("1","4","3","6","5","6","7","1") = "6"
    & skf21("1","4","3","6","5","7","1","1") = "6"
    & skf21("1","4","3","6","5","7","2","1") = "6"
    & skf21("1","4","3","6","5","7","3","1") = "6"
    & skf21("1","4","3","6","5","7","4","1") = "6"
    & skf21("1","4","3","6","5","7","5","1") = "6"
    & skf21("1","4","3","6","5","7","6","1") = "6"
    & skf21("1","4","3","6","5","7","7","1") = "6"
    & skf21("1","4","3","6","6","1","1","1") = "5"
    & skf21("1","4","3","6","6","1","2","1") = "5"
    & skf21("1","4","3","6","6","1","3","1") = "5"
    & skf21("1","4","3","6","6","1","4","1") = "5"
    & skf21("1","4","3","6","6","1","5","1") = "5"
    & skf21("1","4","3","6","6","1","6","1") = "5"
    & skf21("1","4","3","6","6","1","7","1") = "6"
    & skf21("1","4","3","6","6","2","1","1") = "5"
    & skf21("1","4","3","6","6","2","2","1") = "5"
    & skf21("1","4","3","6","6","2","3","1") = "5"
    & skf21("1","4","3","6","6","2","4","1") = "5"
    & skf21("1","4","3","6","6","2","5","1") = "5"
    & skf21("1","4","3","6","6","2","6","1") = "5"
    & skf21("1","4","3","6","6","2","7","1") = "6"
    & skf21("1","4","3","6","6","3","1","1") = "5"
    & skf21("1","4","3","6","6","3","2","1") = "5"
    & skf21("1","4","3","6","6","3","3","1") = "5"
    & skf21("1","4","3","6","6","3","4","1") = "5"
    & skf21("1","4","3","6","6","3","5","1") = "5"
    & skf21("1","4","3","6","6","3","6","1") = "5"
    & skf21("1","4","3","6","6","3","7","1") = "6"
    & skf21("1","4","3","6","6","4","1","1") = "5"
    & skf21("1","4","3","6","6","4","2","1") = "5"
    & skf21("1","4","3","6","6","4","3","1") = "5"
    & skf21("1","4","3","6","6","4","4","1") = "5"
    & skf21("1","4","3","6","6","4","5","1") = "5"
    & skf21("1","4","3","6","6","4","6","1") = "5"
    & skf21("1","4","3","6","6","4","7","1") = "6"
    & skf21("1","4","3","6","6","5","1","1") = "5"
    & skf21("1","4","3","6","6","5","2","1") = "5"
    & skf21("1","4","3","6","6","5","3","1") = "5"
    & skf21("1","4","3","6","6","5","4","1") = "5"
    & skf21("1","4","3","6","6","5","5","1") = "5"
    & skf21("1","4","3","6","6","5","6","1") = "5"
    & skf21("1","4","3","6","6","5","7","1") = "6"
    & skf21("1","4","3","6","6","6","1","1") = "5"
    & skf21("1","4","3","6","6","6","2","1") = "5"
    & skf21("1","4","3","6","6","6","3","1") = "5"
    & skf21("1","4","3","6","6","6","4","1") = "5"
    & skf21("1","4","3","6","6","6","5","1") = "5"
    & skf21("1","4","3","6","6","6","6","1") = "5"
    & skf21("1","4","3","6","6","6","7","1") = "6"
    & skf21("1","4","3","6","6","7","1","1") = "6"
    & skf21("1","4","3","6","6","7","2","1") = "6"
    & skf21("1","4","3","6","6","7","3","1") = "6"
    & skf21("1","4","3","6","6","7","4","1") = "6"
    & skf21("1","4","3","6","6","7","5","1") = "6"
    & skf21("1","4","3","6","6","7","6","1") = "6"
    & skf21("1","4","3","6","6","7","7","1") = "6"
    & skf21("1","4","3","6","7","1","1","1") = "6"
    & skf21("1","4","3","6","7","1","2","1") = "6"
    & skf21("1","4","3","6","7","1","3","1") = "6"
    & skf21("1","4","3","6","7","1","4","1") = "6"
    & skf21("1","4","3","6","7","1","5","1") = "6"
    & skf21("1","4","3","6","7","1","6","1") = "6"
    & skf21("1","4","3","6","7","1","7","1") = "6"
    & skf21("1","4","3","6","7","2","1","1") = "6"
    & skf21("1","4","3","6","7","2","2","1") = "6"
    & skf21("1","4","3","6","7","2","3","1") = "6"
    & skf21("1","4","3","6","7","2","4","1") = "6"
    & skf21("1","4","3","6","7","2","5","1") = "6"
    & skf21("1","4","3","6","7","2","6","1") = "6"
    & skf21("1","4","3","6","7","2","7","1") = "6"
    & skf21("1","4","3","6","7","3","1","1") = "6"
    & skf21("1","4","3","6","7","3","2","1") = "6"
    & skf21("1","4","3","6","7","3","3","1") = "6"
    & skf21("1","4","3","6","7","3","4","1") = "6"
    & skf21("1","4","3","6","7","3","5","1") = "6"
    & skf21("1","4","3","6","7","3","6","1") = "6"
    & skf21("1","4","3","6","7","3","7","1") = "6"
    & skf21("1","4","3","6","7","4","1","1") = "6"
    & skf21("1","4","3","6","7","4","2","1") = "6"
    & skf21("1","4","3","6","7","4","3","1") = "6"
    & skf21("1","4","3","6","7","4","4","1") = "6"
    & skf21("1","4","3","6","7","4","5","1") = "6"
    & skf21("1","4","3","6","7","4","6","1") = "6"
    & skf21("1","4","3","6","7","4","7","1") = "6"
    & skf21("1","4","3","6","7","5","1","1") = "6"
    & skf21("1","4","3","6","7","5","2","1") = "6"
    & skf21("1","4","3","6","7","5","3","1") = "6"
    & skf21("1","4","3","6","7","5","4","1") = "6"
    & skf21("1","4","3","6","7","5","5","1") = "6"
    & skf21("1","4","3","6","7","5","6","1") = "6"
    & skf21("1","4","3","6","7","5","7","1") = "6"
    & skf21("1","4","3","6","7","6","1","1") = "6"
    & skf21("1","4","3","6","7","6","2","1") = "6"
    & skf21("1","4","3","6","7","6","3","1") = "6"
    & skf21("1","4","3","6","7","6","4","1") = "6"
    & skf21("1","4","3","6","7","6","5","1") = "6"
    & skf21("1","4","3","6","7","6","6","1") = "6"
    & skf21("1","4","3","6","7","6","7","1") = "6"
    & skf21("1","4","3","6","7","7","1","1") = "6"
    & skf21("1","4","3","6","7","7","2","1") = "6"
    & skf21("1","4","3","6","7","7","3","1") = "6"
    & skf21("1","4","3","6","7","7","4","1") = "6"
    & skf21("1","4","3","6","7","7","5","1") = "6"
    & skf21("1","4","3","6","7","7","6","1") = "6"
    & skf21("1","4","3","6","7","7","7","1") = "6"
    & skf21("1","4","3","7","1","1","1","1") = "6"
    & skf21("1","4","3","7","1","1","2","1") = "6"
    & skf21("1","4","3","7","1","1","3","1") = "6"
    & skf21("1","4","3","7","1","1","4","1") = "6"
    & skf21("1","4","3","7","1","1","5","1") = "6"
    & skf21("1","4","3","7","1","1","6","1") = "6"
    & skf21("1","4","3","7","1","1","7","1") = "6"
    & skf21("1","4","3","7","1","2","1","1") = "6"
    & skf21("1","4","3","7","1","2","2","1") = "6"
    & skf21("1","4","3","7","1","2","3","1") = "6"
    & skf21("1","4","3","7","1","2","4","1") = "6"
    & skf21("1","4","3","7","1","2","5","1") = "6"
    & skf21("1","4","3","7","1","2","6","1") = "6"
    & skf21("1","4","3","7","1","2","7","1") = "6"
    & skf21("1","4","3","7","1","3","1","1") = "6"
    & skf21("1","4","3","7","1","3","2","1") = "6"
    & skf21("1","4","3","7","1","3","3","1") = "6"
    & skf21("1","4","3","7","1","3","4","1") = "6"
    & skf21("1","4","3","7","1","3","5","1") = "6"
    & skf21("1","4","3","7","1","3","6","1") = "6"
    & skf21("1","4","3","7","1","3","7","1") = "6"
    & skf21("1","4","3","7","1","4","1","1") = "6"
    & skf21("1","4","3","7","1","4","2","1") = "6"
    & skf21("1","4","3","7","1","4","3","1") = "6"
    & skf21("1","4","3","7","1","4","4","1") = "6"
    & skf21("1","4","3","7","1","4","5","1") = "6"
    & skf21("1","4","3","7","1","4","6","1") = "6"
    & skf21("1","4","3","7","1","4","7","1") = "6"
    & skf21("1","4","3","7","1","5","1","1") = "6"
    & skf21("1","4","3","7","1","5","2","1") = "6"
    & skf21("1","4","3","7","1","5","3","1") = "6"
    & skf21("1","4","3","7","1","5","4","1") = "6"
    & skf21("1","4","3","7","1","5","5","1") = "6"
    & skf21("1","4","3","7","1","5","6","1") = "6"
    & skf21("1","4","3","7","1","5","7","1") = "6"
    & skf21("1","4","3","7","1","6","1","1") = "6"
    & skf21("1","4","3","7","1","6","2","1") = "6"
    & skf21("1","4","3","7","1","6","3","1") = "6"
    & skf21("1","4","3","7","1","6","4","1") = "6"
    & skf21("1","4","3","7","1","6","5","1") = "6"
    & skf21("1","4","3","7","1","6","6","1") = "6"
    & skf21("1","4","3","7","1","6","7","1") = "6"
    & skf21("1","4","3","7","1","7","1","1") = "6"
    & skf21("1","4","3","7","1","7","2","1") = "6"
    & skf21("1","4","3","7","1","7","3","1") = "6"
    & skf21("1","4","3","7","1","7","4","1") = "6"
    & skf21("1","4","3","7","1","7","5","1") = "6"
    & skf21("1","4","3","7","1","7","6","1") = "6"
    & skf21("1","4","3","7","1","7","7","1") = "6"
    & skf21("1","4","3","7","2","1","1","1") = "6"
    & skf21("1","4","3","7","2","1","2","1") = "6"
    & skf21("1","4","3","7","2","1","3","1") = "6"
    & skf21("1","4","3","7","2","1","4","1") = "6"
    & skf21("1","4","3","7","2","1","5","1") = "6"
    & skf21("1","4","3","7","2","1","6","1") = "6"
    & skf21("1","4","3","7","2","1","7","1") = "6"
    & skf21("1","4","3","7","2","2","1","1") = "6"
    & skf21("1","4","3","7","2","2","2","1") = "6"
    & skf21("1","4","3","7","2","2","3","1") = "6"
    & skf21("1","4","3","7","2","2","4","1") = "6"
    & skf21("1","4","3","7","2","2","5","1") = "6"
    & skf21("1","4","3","7","2","2","6","1") = "6"
    & skf21("1","4","3","7","2","2","7","1") = "6"
    & skf21("1","4","3","7","2","3","1","1") = "6"
    & skf21("1","4","3","7","2","3","2","1") = "6"
    & skf21("1","4","3","7","2","3","3","1") = "6"
    & skf21("1","4","3","7","2","3","4","1") = "6"
    & skf21("1","4","3","7","2","3","5","1") = "6"
    & skf21("1","4","3","7","2","3","6","1") = "6"
    & skf21("1","4","3","7","2","3","7","1") = "6"
    & skf21("1","4","3","7","2","4","1","1") = "6"
    & skf21("1","4","3","7","2","4","2","1") = "6"
    & skf21("1","4","3","7","2","4","3","1") = "6"
    & skf21("1","4","3","7","2","4","4","1") = "6"
    & skf21("1","4","3","7","2","4","5","1") = "6"
    & skf21("1","4","3","7","2","4","6","1") = "6"
    & skf21("1","4","3","7","2","4","7","1") = "6"
    & skf21("1","4","3","7","2","5","1","1") = "6"
    & skf21("1","4","3","7","2","5","2","1") = "6"
    & skf21("1","4","3","7","2","5","3","1") = "6"
    & skf21("1","4","3","7","2","5","4","1") = "6"
    & skf21("1","4","3","7","2","5","5","1") = "6"
    & skf21("1","4","3","7","2","5","6","1") = "6"
    & skf21("1","4","3","7","2","5","7","1") = "6"
    & skf21("1","4","3","7","2","6","1","1") = "6"
    & skf21("1","4","3","7","2","6","2","1") = "6"
    & skf21("1","4","3","7","2","6","3","1") = "6"
    & skf21("1","4","3","7","2","6","4","1") = "6"
    & skf21("1","4","3","7","2","6","5","1") = "6"
    & skf21("1","4","3","7","2","6","6","1") = "6"
    & skf21("1","4","3","7","2","6","7","1") = "6"
    & skf21("1","4","3","7","2","7","1","1") = "6"
    & skf21("1","4","3","7","2","7","2","1") = "6"
    & skf21("1","4","3","7","2","7","3","1") = "6"
    & skf21("1","4","3","7","2","7","4","1") = "6"
    & skf21("1","4","3","7","2","7","5","1") = "6"
    & skf21("1","4","3","7","2","7","6","1") = "6"
    & skf21("1","4","3","7","2","7","7","1") = "6"
    & skf21("1","4","3","7","3","1","1","1") = "6"
    & skf21("1","4","3","7","3","1","2","1") = "6"
    & skf21("1","4","3","7","3","1","3","1") = "6"
    & skf21("1","4","3","7","3","1","4","1") = "6"
    & skf21("1","4","3","7","3","1","5","1") = "6"
    & skf21("1","4","3","7","3","1","6","1") = "6"
    & skf21("1","4","3","7","3","1","7","1") = "6"
    & skf21("1","4","3","7","3","2","1","1") = "6"
    & skf21("1","4","3","7","3","2","2","1") = "6"
    & skf21("1","4","3","7","3","2","3","1") = "6"
    & skf21("1","4","3","7","3","2","4","1") = "6"
    & skf21("1","4","3","7","3","2","5","1") = "6"
    & skf21("1","4","3","7","3","2","6","1") = "6"
    & skf21("1","4","3","7","3","2","7","1") = "6"
    & skf21("1","4","3","7","3","3","1","1") = "6"
    & skf21("1","4","3","7","3","3","2","1") = "6"
    & skf21("1","4","3","7","3","3","3","1") = "6"
    & skf21("1","4","3","7","3","3","4","1") = "6"
    & skf21("1","4","3","7","3","3","5","1") = "6"
    & skf21("1","4","3","7","3","3","6","1") = "6"
    & skf21("1","4","3","7","3","3","7","1") = "6"
    & skf21("1","4","3","7","3","4","1","1") = "6"
    & skf21("1","4","3","7","3","4","2","1") = "6"
    & skf21("1","4","3","7","3","4","3","1") = "6"
    & skf21("1","4","3","7","3","4","4","1") = "6"
    & skf21("1","4","3","7","3","4","5","1") = "6"
    & skf21("1","4","3","7","3","4","6","1") = "6"
    & skf21("1","4","3","7","3","4","7","1") = "6"
    & skf21("1","4","3","7","3","5","1","1") = "6"
    & skf21("1","4","3","7","3","5","2","1") = "6"
    & skf21("1","4","3","7","3","5","3","1") = "6"
    & skf21("1","4","3","7","3","5","4","1") = "6"
    & skf21("1","4","3","7","3","5","5","1") = "6"
    & skf21("1","4","3","7","3","5","6","1") = "6"
    & skf21("1","4","3","7","3","5","7","1") = "6"
    & skf21("1","4","3","7","3","6","1","1") = "6"
    & skf21("1","4","3","7","3","6","2","1") = "6"
    & skf21("1","4","3","7","3","6","3","1") = "6"
    & skf21("1","4","3","7","3","6","4","1") = "6"
    & skf21("1","4","3","7","3","6","5","1") = "6"
    & skf21("1","4","3","7","3","6","6","1") = "6"
    & skf21("1","4","3","7","3","6","7","1") = "6"
    & skf21("1","4","3","7","3","7","1","1") = "6"
    & skf21("1","4","3","7","3","7","2","1") = "6"
    & skf21("1","4","3","7","3","7","3","1") = "6"
    & skf21("1","4","3","7","3","7","4","1") = "6"
    & skf21("1","4","3","7","3","7","5","1") = "6"
    & skf21("1","4","3","7","3","7","6","1") = "6"
    & skf21("1","4","3","7","3","7","7","1") = "6"
    & skf21("1","4","3","7","4","1","1","1") = "6"
    & skf21("1","4","3","7","4","1","2","1") = "6"
    & skf21("1","4","3","7","4","1","3","1") = "6"
    & skf21("1","4","3","7","4","1","4","1") = "6"
    & skf21("1","4","3","7","4","1","5","1") = "6"
    & skf21("1","4","3","7","4","1","6","1") = "6"
    & skf21("1","4","3","7","4","1","7","1") = "6"
    & skf21("1","4","3","7","4","2","1","1") = "6"
    & skf21("1","4","3","7","4","2","2","1") = "6"
    & skf21("1","4","3","7","4","2","3","1") = "6"
    & skf21("1","4","3","7","4","2","4","1") = "6"
    & skf21("1","4","3","7","4","2","5","1") = "6"
    & skf21("1","4","3","7","4","2","6","1") = "6"
    & skf21("1","4","3","7","4","2","7","1") = "6"
    & skf21("1","4","3","7","4","3","1","1") = "6"
    & skf21("1","4","3","7","4","3","2","1") = "6"
    & skf21("1","4","3","7","4","3","3","1") = "6"
    & skf21("1","4","3","7","4","3","4","1") = "6"
    & skf21("1","4","3","7","4","3","5","1") = "6"
    & skf21("1","4","3","7","4","3","6","1") = "6"
    & skf21("1","4","3","7","4","3","7","1") = "6"
    & skf21("1","4","3","7","4","4","1","1") = "6"
    & skf21("1","4","3","7","4","4","2","1") = "6"
    & skf21("1","4","3","7","4","4","3","1") = "6"
    & skf21("1","4","3","7","4","4","4","1") = "6"
    & skf21("1","4","3","7","4","4","5","1") = "6"
    & skf21("1","4","3","7","4","4","6","1") = "6"
    & skf21("1","4","3","7","4","4","7","1") = "6"
    & skf21("1","4","3","7","4","5","1","1") = "6"
    & skf21("1","4","3","7","4","5","2","1") = "6"
    & skf21("1","4","3","7","4","5","3","1") = "6"
    & skf21("1","4","3","7","4","5","4","1") = "6"
    & skf21("1","4","3","7","4","5","5","1") = "6"
    & skf21("1","4","3","7","4","5","6","1") = "6"
    & skf21("1","4","3","7","4","5","7","1") = "6"
    & skf21("1","4","3","7","4","6","1","1") = "6"
    & skf21("1","4","3","7","4","6","2","1") = "6"
    & skf21("1","4","3","7","4","6","3","1") = "6"
    & skf21("1","4","3","7","4","6","4","1") = "6"
    & skf21("1","4","3","7","4","6","5","1") = "6"
    & skf21("1","4","3","7","4","6","6","1") = "6"
    & skf21("1","4","3","7","4","6","7","1") = "6"
    & skf21("1","4","3","7","4","7","1","1") = "6"
    & skf21("1","4","3","7","4","7","2","1") = "6"
    & skf21("1","4","3","7","4","7","3","1") = "6"
    & skf21("1","4","3","7","4","7","4","1") = "6"
    & skf21("1","4","3","7","4","7","5","1") = "6"
    & skf21("1","4","3","7","4","7","6","1") = "6"
    & skf21("1","4","3","7","4","7","7","1") = "6"
    & skf21("1","4","3","7","5","1","1","1") = "6"
    & skf21("1","4","3","7","5","1","2","1") = "6"
    & skf21("1","4","3","7","5","1","3","1") = "6"
    & skf21("1","4","3","7","5","1","4","1") = "6"
    & skf21("1","4","3","7","5","1","5","1") = "6"
    & skf21("1","4","3","7","5","1","6","1") = "6"
    & skf21("1","4","3","7","5","1","7","1") = "6"
    & skf21("1","4","3","7","5","2","1","1") = "6"
    & skf21("1","4","3","7","5","2","2","1") = "6"
    & skf21("1","4","3","7","5","2","3","1") = "6"
    & skf21("1","4","3","7","5","2","4","1") = "6"
    & skf21("1","4","3","7","5","2","5","1") = "6"
    & skf21("1","4","3","7","5","2","6","1") = "6"
    & skf21("1","4","3","7","5","2","7","1") = "6"
    & skf21("1","4","3","7","5","3","1","1") = "6"
    & skf21("1","4","3","7","5","3","2","1") = "6"
    & skf21("1","4","3","7","5","3","3","1") = "6"
    & skf21("1","4","3","7","5","3","4","1") = "6"
    & skf21("1","4","3","7","5","3","5","1") = "6"
    & skf21("1","4","3","7","5","3","6","1") = "6"
    & skf21("1","4","3","7","5","3","7","1") = "6"
    & skf21("1","4","3","7","5","4","1","1") = "6"
    & skf21("1","4","3","7","5","4","2","1") = "6"
    & skf21("1","4","3","7","5","4","3","1") = "6"
    & skf21("1","4","3","7","5","4","4","1") = "6"
    & skf21("1","4","3","7","5","4","5","1") = "6"
    & skf21("1","4","3","7","5","4","6","1") = "6"
    & skf21("1","4","3","7","5","4","7","1") = "6"
    & skf21("1","4","3","7","5","5","1","1") = "6"
    & skf21("1","4","3","7","5","5","2","1") = "6"
    & skf21("1","4","3","7","5","5","3","1") = "6"
    & skf21("1","4","3","7","5","5","4","1") = "6"
    & skf21("1","4","3","7","5","5","5","1") = "6"
    & skf21("1","4","3","7","5","5","6","1") = "6"
    & skf21("1","4","3","7","5","5","7","1") = "6"
    & skf21("1","4","3","7","5","6","1","1") = "6"
    & skf21("1","4","3","7","5","6","2","1") = "6"
    & skf21("1","4","3","7","5","6","3","1") = "6"
    & skf21("1","4","3","7","5","6","4","1") = "6"
    & skf21("1","4","3","7","5","6","5","1") = "6"
    & skf21("1","4","3","7","5","6","6","1") = "6"
    & skf21("1","4","3","7","5","6","7","1") = "6"
    & skf21("1","4","3","7","5","7","1","1") = "6"
    & skf21("1","4","3","7","5","7","2","1") = "6"
    & skf21("1","4","3","7","5","7","3","1") = "6"
    & skf21("1","4","3","7","5","7","4","1") = "6"
    & skf21("1","4","3","7","5","7","5","1") = "6"
    & skf21("1","4","3","7","5","7","6","1") = "6"
    & skf21("1","4","3","7","5","7","7","1") = "6"
    & skf21("1","4","3","7","6","1","1","1") = "6"
    & skf21("1","4","3","7","6","1","2","1") = "6"
    & skf21("1","4","3","7","6","1","3","1") = "6"
    & skf21("1","4","3","7","6","1","4","1") = "6"
    & skf21("1","4","3","7","6","1","5","1") = "6"
    & skf21("1","4","3","7","6","1","6","1") = "6"
    & skf21("1","4","3","7","6","1","7","1") = "6"
    & skf21("1","4","3","7","6","2","1","1") = "6"
    & skf21("1","4","3","7","6","2","2","1") = "6"
    & skf21("1","4","3","7","6","2","3","1") = "6"
    & skf21("1","4","3","7","6","2","4","1") = "6"
    & skf21("1","4","3","7","6","2","5","1") = "6"
    & skf21("1","4","3","7","6","2","6","1") = "6"
    & skf21("1","4","3","7","6","2","7","1") = "6"
    & skf21("1","4","3","7","6","3","1","1") = "6"
    & skf21("1","4","3","7","6","3","2","1") = "6"
    & skf21("1","4","3","7","6","3","3","1") = "6"
    & skf21("1","4","3","7","6","3","4","1") = "6"
    & skf21("1","4","3","7","6","3","5","1") = "6"
    & skf21("1","4","3","7","6","3","6","1") = "6"
    & skf21("1","4","3","7","6","3","7","1") = "6"
    & skf21("1","4","3","7","6","4","1","1") = "6"
    & skf21("1","4","3","7","6","4","2","1") = "6"
    & skf21("1","4","3","7","6","4","3","1") = "6"
    & skf21("1","4","3","7","6","4","4","1") = "6"
    & skf21("1","4","3","7","6","4","5","1") = "6"
    & skf21("1","4","3","7","6","4","6","1") = "6"
    & skf21("1","4","3","7","6","4","7","1") = "6"
    & skf21("1","4","3","7","6","5","1","1") = "6"
    & skf21("1","4","3","7","6","5","2","1") = "6"
    & skf21("1","4","3","7","6","5","3","1") = "6"
    & skf21("1","4","3","7","6","5","4","1") = "6"
    & skf21("1","4","3","7","6","5","5","1") = "6"
    & skf21("1","4","3","7","6","5","6","1") = "6"
    & skf21("1","4","3","7","6","5","7","1") = "6"
    & skf21("1","4","3","7","6","6","1","1") = "6"
    & skf21("1","4","3","7","6","6","2","1") = "6"
    & skf21("1","4","3","7","6","6","3","1") = "6"
    & skf21("1","4","3","7","6","6","4","1") = "6"
    & skf21("1","4","3","7","6","6","5","1") = "6"
    & skf21("1","4","3","7","6","6","6","1") = "6"
    & skf21("1","4","3","7","6","6","7","1") = "6"
    & skf21("1","4","3","7","6","7","1","1") = "6"
    & skf21("1","4","3","7","6","7","2","1") = "6"
    & skf21("1","4","3","7","6","7","3","1") = "6"
    & skf21("1","4","3","7","6","7","4","1") = "6"
    & skf21("1","4","3","7","6","7","5","1") = "6"
    & skf21("1","4","3","7","6","7","6","1") = "6"
    & skf21("1","4","3","7","6","7","7","1") = "6"
    & skf21("1","4","3","7","7","1","1","1") = "6"
    & skf21("1","4","3","7","7","1","2","1") = "6"
    & skf21("1","4","3","7","7","1","3","1") = "6"
    & skf21("1","4","3","7","7","1","4","1") = "6"
    & skf21("1","4","3","7","7","1","5","1") = "6"
    & skf21("1","4","3","7","7","1","6","1") = "6"
    & skf21("1","4","3","7","7","1","7","1") = "6"
    & skf21("1","4","3","7","7","2","1","1") = "6"
    & skf21("1","4","3","7","7","2","2","1") = "6"
    & skf21("1","4","3","7","7","2","3","1") = "6"
    & skf21("1","4","3","7","7","2","4","1") = "6"
    & skf21("1","4","3","7","7","2","5","1") = "6"
    & skf21("1","4","3","7","7","2","6","1") = "6"
    & skf21("1","4","3","7","7","2","7","1") = "6"
    & skf21("1","4","3","7","7","3","1","1") = "6"
    & skf21("1","4","3","7","7","3","2","1") = "6"
    & skf21("1","4","3","7","7","3","3","1") = "6"
    & skf21("1","4","3","7","7","3","4","1") = "6"
    & skf21("1","4","3","7","7","3","5","1") = "6"
    & skf21("1","4","3","7","7","3","6","1") = "6"
    & skf21("1","4","3","7","7","3","7","1") = "6"
    & skf21("1","4","3","7","7","4","1","1") = "6"
    & skf21("1","4","3","7","7","4","2","1") = "6"
    & skf21("1","4","3","7","7","4","3","1") = "6"
    & skf21("1","4","3","7","7","4","4","1") = "6"
    & skf21("1","4","3","7","7","4","5","1") = "6"
    & skf21("1","4","3","7","7","4","6","1") = "6"
    & skf21("1","4","3","7","7","4","7","1") = "6"
    & skf21("1","4","3","7","7","5","1","1") = "6"
    & skf21("1","4","3","7","7","5","2","1") = "6"
    & skf21("1","4","3","7","7","5","3","1") = "6"
    & skf21("1","4","3","7","7","5","4","1") = "6"
    & skf21("1","4","3","7","7","5","5","1") = "6"
    & skf21("1","4","3","7","7","5","6","1") = "6"
    & skf21("1","4","3","7","7","5","7","1") = "6"
    & skf21("1","4","3","7","7","6","1","1") = "6"
    & skf21("1","4","3","7","7","6","2","1") = "6"
    & skf21("1","4","3","7","7","6","3","1") = "6"
    & skf21("1","4","3","7","7","6","4","1") = "6"
    & skf21("1","4","3","7","7","6","5","1") = "6"
    & skf21("1","4","3","7","7","6","6","1") = "6"
    & skf21("1","4","3","7","7","6","7","1") = "6"
    & skf21("1","4","3","7","7","7","1","1") = "6"
    & skf21("1","4","3","7","7","7","2","1") = "6"
    & skf21("1","4","3","7","7","7","3","1") = "6"
    & skf21("1","4","3","7","7","7","4","1") = "6"
    & skf21("1","4","3","7","7","7","5","1") = "6"
    & skf21("1","4","3","7","7","7","6","1") = "6"
    & skf21("1","4","3","7","7","7","7","1") = "6"
    & skf21("1","4","4","1","1","1","1","1") = "3"
    & skf21("1","4","4","1","1","1","2","1") = "3"
    & skf21("1","4","4","1","1","1","3","1") = "3"
    & skf21("1","4","4","1","1","1","4","1") = "3"
    & skf21("1","4","4","1","1","1","5","1") = "4"
    & skf21("1","4","4","1","1","1","6","1") = "5"
    & skf21("1","4","4","1","1","1","7","1") = "6"
    & skf21("1","4","4","1","1","2","1","1") = "3"
    & skf21("1","4","4","1","1","2","2","1") = "3"
    & skf21("1","4","4","1","1","2","3","1") = "3"
    & skf21("1","4","4","1","1","2","4","1") = "3"
    & skf21("1","4","4","1","1","2","5","1") = "4"
    & skf21("1","4","4","1","1","2","6","1") = "5"
    & skf21("1","4","4","1","1","2","7","1") = "6"
    & skf21("1","4","4","1","1","3","1","1") = "3"
    & skf21("1","4","4","1","1","3","2","1") = "3"
    & skf21("1","4","4","1","1","3","3","1") = "3"
    & skf21("1","4","4","1","1","3","4","1") = "3"
    & skf21("1","4","4","1","1","3","5","1") = "4"
    & skf21("1","4","4","1","1","3","6","1") = "5"
    & skf21("1","4","4","1","1","3","7","1") = "6"
    & skf21("1","4","4","1","1","4","1","1") = "3"
    & skf21("1","4","4","1","1","4","2","1") = "3"
    & skf21("1","4","4","1","1","4","3","1") = "3"
    & skf21("1","4","4","1","1","4","4","1") = "3"
    & skf21("1","4","4","1","1","4","5","1") = "4"
    & skf21("1","4","4","1","1","4","6","1") = "5"
    & skf21("1","4","4","1","1","4","7","1") = "6"
    & skf21("1","4","4","1","1","5","1","1") = "4"
    & skf21("1","4","4","1","1","5","2","1") = "4"
    & skf21("1","4","4","1","1","5","3","1") = "4"
    & skf21("1","4","4","1","1","5","4","1") = "4"
    & skf21("1","4","4","1","1","5","5","1") = "4"
    & skf21("1","4","4","1","1","5","6","1") = "5"
    & skf21("1","4","4","1","1","5","7","1") = "6"
    & skf21("1","4","4","1","1","6","1","1") = "5"
    & skf21("1","4","4","1","1","6","2","1") = "5"
    & skf21("1","4","4","1","1","6","3","1") = "5"
    & skf21("1","4","4","1","1","6","4","1") = "5"
    & skf21("1","4","4","1","1","6","5","1") = "5"
    & skf21("1","4","4","1","1","6","6","1") = "5"
    & skf21("1","4","4","1","1","6","7","1") = "6"
    & skf21("1","4","4","1","1","7","1","1") = "6"
    & skf21("1","4","4","1","1","7","2","1") = "6"
    & skf21("1","4","4","1","1","7","3","1") = "6"
    & skf21("1","4","4","1","1","7","4","1") = "6"
    & skf21("1","4","4","1","1","7","5","1") = "6"
    & skf21("1","4","4","1","1","7","6","1") = "6"
    & skf21("1","4","4","1","1","7","7","1") = "6"
    & skf21("1","4","4","1","2","1","1","1") = "3"
    & skf21("1","4","4","1","2","1","2","1") = "3"
    & skf21("1","4","4","1","2","1","3","1") = "3"
    & skf21("1","4","4","1","2","1","4","1") = "3"
    & skf21("1","4","4","1","2","1","5","1") = "4"
    & skf21("1","4","4","1","2","1","6","1") = "5"
    & skf21("1","4","4","1","2","1","7","1") = "6"
    & skf21("1","4","4","1","2","2","1","1") = "3"
    & skf21("1","4","4","1","2","2","2","1") = "3"
    & skf21("1","4","4","1","2","2","3","1") = "3"
    & skf21("1","4","4","1","2","2","4","1") = "3"
    & skf21("1","4","4","1","2","2","5","1") = "4"
    & skf21("1","4","4","1","2","2","6","1") = "5"
    & skf21("1","4","4","1","2","2","7","1") = "6"
    & skf21("1","4","4","1","2","3","1","1") = "3"
    & skf21("1","4","4","1","2","3","2","1") = "3"
    & skf21("1","4","4","1","2","3","3","1") = "3"
    & skf21("1","4","4","1","2","3","4","1") = "3"
    & skf21("1","4","4","1","2","3","5","1") = "4"
    & skf21("1","4","4","1","2","3","6","1") = "5"
    & skf21("1","4","4","1","2","3","7","1") = "6"
    & skf21("1","4","4","1","2","4","1","1") = "3"
    & skf21("1","4","4","1","2","4","2","1") = "3"
    & skf21("1","4","4","1","2","4","3","1") = "3"
    & skf21("1","4","4","1","2","4","4","1") = "3"
    & skf21("1","4","4","1","2","4","5","1") = "4"
    & skf21("1","4","4","1","2","4","6","1") = "5"
    & skf21("1","4","4","1","2","4","7","1") = "6"
    & skf21("1","4","4","1","2","5","1","1") = "4"
    & skf21("1","4","4","1","2","5","2","1") = "4"
    & skf21("1","4","4","1","2","5","3","1") = "4"
    & skf21("1","4","4","1","2","5","4","1") = "4"
    & skf21("1","4","4","1","2","5","5","1") = "4"
    & skf21("1","4","4","1","2","5","6","1") = "5"
    & skf21("1","4","4","1","2","5","7","1") = "6"
    & skf21("1","4","4","1","2","6","1","1") = "5"
    & skf21("1","4","4","1","2","6","2","1") = "5"
    & skf21("1","4","4","1","2","6","3","1") = "5"
    & skf21("1","4","4","1","2","6","4","1") = "5"
    & skf21("1","4","4","1","2","6","5","1") = "5"
    & skf21("1","4","4","1","2","6","6","1") = "5"
    & skf21("1","4","4","1","2","6","7","1") = "6"
    & skf21("1","4","4","1","2","7","1","1") = "6"
    & skf21("1","4","4","1","2","7","2","1") = "6"
    & skf21("1","4","4","1","2","7","3","1") = "6"
    & skf21("1","4","4","1","2","7","4","1") = "6"
    & skf21("1","4","4","1","2","7","5","1") = "6"
    & skf21("1","4","4","1","2","7","6","1") = "6"
    & skf21("1","4","4","1","2","7","7","1") = "6"
    & skf21("1","4","4","1","3","1","1","1") = "3"
    & skf21("1","4","4","1","3","1","2","1") = "3"
    & skf21("1","4","4","1","3","1","3","1") = "3"
    & skf21("1","4","4","1","3","1","4","1") = "3"
    & skf21("1","4","4","1","3","1","5","1") = "4"
    & skf21("1","4","4","1","3","1","6","1") = "5"
    & skf21("1","4","4","1","3","1","7","1") = "6"
    & skf21("1","4","4","1","3","2","1","1") = "3"
    & skf21("1","4","4","1","3","2","2","1") = "3"
    & skf21("1","4","4","1","3","2","3","1") = "3"
    & skf21("1","4","4","1","3","2","4","1") = "3"
    & skf21("1","4","4","1","3","2","5","1") = "4"
    & skf21("1","4","4","1","3","2","6","1") = "5"
    & skf21("1","4","4","1","3","2","7","1") = "6"
    & skf21("1","4","4","1","3","3","1","1") = "3"
    & skf21("1","4","4","1","3","3","2","1") = "3"
    & skf21("1","4","4","1","3","3","3","1") = "3"
    & skf21("1","4","4","1","3","3","4","1") = "3"
    & skf21("1","4","4","1","3","3","5","1") = "4"
    & skf21("1","4","4","1","3","3","6","1") = "5"
    & skf21("1","4","4","1","3","3","7","1") = "6"
    & skf21("1","4","4","1","3","4","1","1") = "3"
    & skf21("1","4","4","1","3","4","2","1") = "3"
    & skf21("1","4","4","1","3","4","3","1") = "3"
    & skf21("1","4","4","1","3","4","4","1") = "3"
    & skf21("1","4","4","1","3","4","5","1") = "4"
    & skf21("1","4","4","1","3","4","6","1") = "5"
    & skf21("1","4","4","1","3","4","7","1") = "6"
    & skf21("1","4","4","1","3","5","1","1") = "4"
    & skf21("1","4","4","1","3","5","2","1") = "4"
    & skf21("1","4","4","1","3","5","3","1") = "4"
    & skf21("1","4","4","1","3","5","4","1") = "4"
    & skf21("1","4","4","1","3","5","5","1") = "4"
    & skf21("1","4","4","1","3","5","6","1") = "5"
    & skf21("1","4","4","1","3","5","7","1") = "6"
    & skf21("1","4","4","1","3","6","1","1") = "5"
    & skf21("1","4","4","1","3","6","2","1") = "5"
    & skf21("1","4","4","1","3","6","3","1") = "5"
    & skf21("1","4","4","1","3","6","4","1") = "5"
    & skf21("1","4","4","1","3","6","5","1") = "5"
    & skf21("1","4","4","1","3","6","6","1") = "5"
    & skf21("1","4","4","1","3","6","7","1") = "6"
    & skf21("1","4","4","1","3","7","1","1") = "6"
    & skf21("1","4","4","1","3","7","2","1") = "6"
    & skf21("1","4","4","1","3","7","3","1") = "6"
    & skf21("1","4","4","1","3","7","4","1") = "6"
    & skf21("1","4","4","1","3","7","5","1") = "6"
    & skf21("1","4","4","1","3","7","6","1") = "6"
    & skf21("1","4","4","1","3","7","7","1") = "6"
    & skf21("1","4","4","1","4","1","1","1") = "3"
    & skf21("1","4","4","1","4","1","2","1") = "3"
    & skf21("1","4","4","1","4","1","3","1") = "3"
    & skf21("1","4","4","1","4","1","4","1") = "3"
    & skf21("1","4","4","1","4","1","5","1") = "4"
    & skf21("1","4","4","1","4","1","6","1") = "5"
    & skf21("1","4","4","1","4","1","7","1") = "6"
    & skf21("1","4","4","1","4","2","1","1") = "3"
    & skf21("1","4","4","1","4","2","2","1") = "3"
    & skf21("1","4","4","1","4","2","3","1") = "3"
    & skf21("1","4","4","1","4","2","4","1") = "3"
    & skf21("1","4","4","1","4","2","5","1") = "4"
    & skf21("1","4","4","1","4","2","6","1") = "5"
    & skf21("1","4","4","1","4","2","7","1") = "6"
    & skf21("1","4","4","1","4","3","1","1") = "3"
    & skf21("1","4","4","1","4","3","2","1") = "3"
    & skf21("1","4","4","1","4","3","3","1") = "3"
    & skf21("1","4","4","1","4","3","4","1") = "3"
    & skf21("1","4","4","1","4","3","5","1") = "4"
    & skf21("1","4","4","1","4","3","6","1") = "5"
    & skf21("1","4","4","1","4","3","7","1") = "6"
    & skf21("1","4","4","1","4","4","1","1") = "3"
    & skf21("1","4","4","1","4","4","2","1") = "3"
    & skf21("1","4","4","1","4","4","3","1") = "3"
    & skf21("1","4","4","1","4","4","4","1") = "3"
    & skf21("1","4","4","1","4","4","5","1") = "4"
    & skf21("1","4","4","1","4","4","6","1") = "5"
    & skf21("1","4","4","1","4","4","7","1") = "6"
    & skf21("1","4","4","1","4","5","1","1") = "4"
    & skf21("1","4","4","1","4","5","2","1") = "4"
    & skf21("1","4","4","1","4","5","3","1") = "4"
    & skf21("1","4","4","1","4","5","4","1") = "4"
    & skf21("1","4","4","1","4","5","5","1") = "4"
    & skf21("1","4","4","1","4","5","6","1") = "5"
    & skf21("1","4","4","1","4","5","7","1") = "6"
    & skf21("1","4","4","1","4","6","1","1") = "5"
    & skf21("1","4","4","1","4","6","2","1") = "5"
    & skf21("1","4","4","1","4","6","3","1") = "5"
    & skf21("1","4","4","1","4","6","4","1") = "5"
    & skf21("1","4","4","1","4","6","5","1") = "5"
    & skf21("1","4","4","1","4","6","6","1") = "5"
    & skf21("1","4","4","1","4","6","7","1") = "6"
    & skf21("1","4","4","1","4","7","1","1") = "6"
    & skf21("1","4","4","1","4","7","2","1") = "6"
    & skf21("1","4","4","1","4","7","3","1") = "6"
    & skf21("1","4","4","1","4","7","4","1") = "6"
    & skf21("1","4","4","1","4","7","5","1") = "6"
    & skf21("1","4","4","1","4","7","6","1") = "6"
    & skf21("1","4","4","1","4","7","7","1") = "6"
    & skf21("1","4","4","1","5","1","1","1") = "4"
    & skf21("1","4","4","1","5","1","2","1") = "4"
    & skf21("1","4","4","1","5","1","3","1") = "4"
    & skf21("1","4","4","1","5","1","4","1") = "4"
    & skf21("1","4","4","1","5","1","5","1") = "4"
    & skf21("1","4","4","1","5","1","6","1") = "5"
    & skf21("1","4","4","1","5","1","7","1") = "6"
    & skf21("1","4","4","1","5","2","1","1") = "4"
    & skf21("1","4","4","1","5","2","2","1") = "4"
    & skf21("1","4","4","1","5","2","3","1") = "4"
    & skf21("1","4","4","1","5","2","4","1") = "4"
    & skf21("1","4","4","1","5","2","5","1") = "4"
    & skf21("1","4","4","1","5","2","6","1") = "5"
    & skf21("1","4","4","1","5","2","7","1") = "6"
    & skf21("1","4","4","1","5","3","1","1") = "4"
    & skf21("1","4","4","1","5","3","2","1") = "4"
    & skf21("1","4","4","1","5","3","3","1") = "4"
    & skf21("1","4","4","1","5","3","4","1") = "4"
    & skf21("1","4","4","1","5","3","5","1") = "4"
    & skf21("1","4","4","1","5","3","6","1") = "5"
    & skf21("1","4","4","1","5","3","7","1") = "6"
    & skf21("1","4","4","1","5","4","1","1") = "4"
    & skf21("1","4","4","1","5","4","2","1") = "4"
    & skf21("1","4","4","1","5","4","3","1") = "4"
    & skf21("1","4","4","1","5","4","4","1") = "4"
    & skf21("1","4","4","1","5","4","5","1") = "4"
    & skf21("1","4","4","1","5","4","6","1") = "5"
    & skf21("1","4","4","1","5","4","7","1") = "6"
    & skf21("1","4","4","1","5","5","1","1") = "4"
    & skf21("1","4","4","1","5","5","2","1") = "4"
    & skf21("1","4","4","1","5","5","3","1") = "4"
    & skf21("1","4","4","1","5","5","4","1") = "4"
    & skf21("1","4","4","1","5","5","5","1") = "4"
    & skf21("1","4","4","1","5","5","6","1") = "5"
    & skf21("1","4","4","1","5","5","7","1") = "6"
    & skf21("1","4","4","1","5","6","1","1") = "5"
    & skf21("1","4","4","1","5","6","2","1") = "5"
    & skf21("1","4","4","1","5","6","3","1") = "5"
    & skf21("1","4","4","1","5","6","4","1") = "5"
    & skf21("1","4","4","1","5","6","5","1") = "5"
    & skf21("1","4","4","1","5","6","6","1") = "5"
    & skf21("1","4","4","1","5","6","7","1") = "6"
    & skf21("1","4","4","1","5","7","1","1") = "6"
    & skf21("1","4","4","1","5","7","2","1") = "6"
    & skf21("1","4","4","1","5","7","3","1") = "6"
    & skf21("1","4","4","1","5","7","4","1") = "6"
    & skf21("1","4","4","1","5","7","5","1") = "6"
    & skf21("1","4","4","1","5","7","6","1") = "6"
    & skf21("1","4","4","1","5","7","7","1") = "6"
    & skf21("1","4","4","1","6","1","1","1") = "5"
    & skf21("1","4","4","1","6","1","2","1") = "5"
    & skf21("1","4","4","1","6","1","3","1") = "5"
    & skf21("1","4","4","1","6","1","4","1") = "5"
    & skf21("1","4","4","1","6","1","5","1") = "5"
    & skf21("1","4","4","1","6","1","6","1") = "5"
    & skf21("1","4","4","1","6","1","7","1") = "6"
    & skf21("1","4","4","1","6","2","1","1") = "5"
    & skf21("1","4","4","1","6","2","2","1") = "5"
    & skf21("1","4","4","1","6","2","3","1") = "5"
    & skf21("1","4","4","1","6","2","4","1") = "5"
    & skf21("1","4","4","1","6","2","5","1") = "5"
    & skf21("1","4","4","1","6","2","6","1") = "5"
    & skf21("1","4","4","1","6","2","7","1") = "6"
    & skf21("1","4","4","1","6","3","1","1") = "5"
    & skf21("1","4","4","1","6","3","2","1") = "5"
    & skf21("1","4","4","1","6","3","3","1") = "5"
    & skf21("1","4","4","1","6","3","4","1") = "5"
    & skf21("1","4","4","1","6","3","5","1") = "5"
    & skf21("1","4","4","1","6","3","6","1") = "5"
    & skf21("1","4","4","1","6","3","7","1") = "6"
    & skf21("1","4","4","1","6","4","1","1") = "5"
    & skf21("1","4","4","1","6","4","2","1") = "5"
    & skf21("1","4","4","1","6","4","3","1") = "5"
    & skf21("1","4","4","1","6","4","4","1") = "5"
    & skf21("1","4","4","1","6","4","5","1") = "5"
    & skf21("1","4","4","1","6","4","6","1") = "5"
    & skf21("1","4","4","1","6","4","7","1") = "6"
    & skf21("1","4","4","1","6","5","1","1") = "5"
    & skf21("1","4","4","1","6","5","2","1") = "5"
    & skf21("1","4","4","1","6","5","3","1") = "5"
    & skf21("1","4","4","1","6","5","4","1") = "5"
    & skf21("1","4","4","1","6","5","5","1") = "5"
    & skf21("1","4","4","1","6","5","6","1") = "5"
    & skf21("1","4","4","1","6","5","7","1") = "6"
    & skf21("1","4","4","1","6","6","1","1") = "5"
    & skf21("1","4","4","1","6","6","2","1") = "5"
    & skf21("1","4","4","1","6","6","3","1") = "5"
    & skf21("1","4","4","1","6","6","4","1") = "5"
    & skf21("1","4","4","1","6","6","5","1") = "5"
    & skf21("1","4","4","1","6","6","6","1") = "5"
    & skf21("1","4","4","1","6","6","7","1") = "6"
    & skf21("1","4","4","1","6","7","1","1") = "6"
    & skf21("1","4","4","1","6","7","2","1") = "6"
    & skf21("1","4","4","1","6","7","3","1") = "6"
    & skf21("1","4","4","1","6","7","4","1") = "6"
    & skf21("1","4","4","1","6","7","5","1") = "6"
    & skf21("1","4","4","1","6","7","6","1") = "6"
    & skf21("1","4","4","1","6","7","7","1") = "6"
    & skf21("1","4","4","1","7","1","1","1") = "6"
    & skf21("1","4","4","1","7","1","2","1") = "6"
    & skf21("1","4","4","1","7","1","3","1") = "6"
    & skf21("1","4","4","1","7","1","4","1") = "6"
    & skf21("1","4","4","1","7","1","5","1") = "6"
    & skf21("1","4","4","1","7","1","6","1") = "6"
    & skf21("1","4","4","1","7","1","7","1") = "6"
    & skf21("1","4","4","1","7","2","1","1") = "6"
    & skf21("1","4","4","1","7","2","2","1") = "6"
    & skf21("1","4","4","1","7","2","3","1") = "6"
    & skf21("1","4","4","1","7","2","4","1") = "6"
    & skf21("1","4","4","1","7","2","5","1") = "6"
    & skf21("1","4","4","1","7","2","6","1") = "6"
    & skf21("1","4","4","1","7","2","7","1") = "6"
    & skf21("1","4","4","1","7","3","1","1") = "6"
    & skf21("1","4","4","1","7","3","2","1") = "6"
    & skf21("1","4","4","1","7","3","3","1") = "6"
    & skf21("1","4","4","1","7","3","4","1") = "6"
    & skf21("1","4","4","1","7","3","5","1") = "6"
    & skf21("1","4","4","1","7","3","6","1") = "6"
    & skf21("1","4","4","1","7","3","7","1") = "6"
    & skf21("1","4","4","1","7","4","1","1") = "6"
    & skf21("1","4","4","1","7","4","2","1") = "6"
    & skf21("1","4","4","1","7","4","3","1") = "6"
    & skf21("1","4","4","1","7","4","4","1") = "6"
    & skf21("1","4","4","1","7","4","5","1") = "6"
    & skf21("1","4","4","1","7","4","6","1") = "6"
    & skf21("1","4","4","1","7","4","7","1") = "6"
    & skf21("1","4","4","1","7","5","1","1") = "6"
    & skf21("1","4","4","1","7","5","2","1") = "6"
    & skf21("1","4","4","1","7","5","3","1") = "6"
    & skf21("1","4","4","1","7","5","4","1") = "6"
    & skf21("1","4","4","1","7","5","5","1") = "6"
    & skf21("1","4","4","1","7","5","6","1") = "6"
    & skf21("1","4","4","1","7","5","7","1") = "6"
    & skf21("1","4","4","1","7","6","1","1") = "6"
    & skf21("1","4","4","1","7","6","2","1") = "6"
    & skf21("1","4","4","1","7","6","3","1") = "6"
    & skf21("1","4","4","1","7","6","4","1") = "6"
    & skf21("1","4","4","1","7","6","5","1") = "6"
    & skf21("1","4","4","1","7","6","6","1") = "6"
    & skf21("1","4","4","1","7","6","7","1") = "6"
    & skf21("1","4","4","1","7","7","1","1") = "6"
    & skf21("1","4","4","1","7","7","2","1") = "6"
    & skf21("1","4","4","1","7","7","3","1") = "6"
    & skf21("1","4","4","1","7","7","4","1") = "6"
    & skf21("1","4","4","1","7","7","5","1") = "6"
    & skf21("1","4","4","1","7","7","6","1") = "6"
    & skf21("1","4","4","1","7","7","7","1") = "6"
    & skf21("1","4","4","2","1","1","1","1") = "3"
    & skf21("1","4","4","2","1","1","2","1") = "3"
    & skf21("1","4","4","2","1","1","3","1") = "3"
    & skf21("1","4","4","2","1","1","4","1") = "3"
    & skf21("1","4","4","2","1","1","5","1") = "4"
    & skf21("1","4","4","2","1","1","6","1") = "5"
    & skf21("1","4","4","2","1","1","7","1") = "6"
    & skf21("1","4","4","2","1","2","1","1") = "3"
    & skf21("1","4","4","2","1","2","2","1") = "3"
    & skf21("1","4","4","2","1","2","3","1") = "3"
    & skf21("1","4","4","2","1","2","4","1") = "3"
    & skf21("1","4","4","2","1","2","5","1") = "4"
    & skf21("1","4","4","2","1","2","6","1") = "5"
    & skf21("1","4","4","2","1","2","7","1") = "6"
    & skf21("1","4","4","2","1","3","1","1") = "3"
    & skf21("1","4","4","2","1","3","2","1") = "3"
    & skf21("1","4","4","2","1","3","3","1") = "3"
    & skf21("1","4","4","2","1","3","4","1") = "3"
    & skf21("1","4","4","2","1","3","5","1") = "4"
    & skf21("1","4","4","2","1","3","6","1") = "5"
    & skf21("1","4","4","2","1","3","7","1") = "6"
    & skf21("1","4","4","2","1","4","1","1") = "3"
    & skf21("1","4","4","2","1","4","2","1") = "3"
    & skf21("1","4","4","2","1","4","3","1") = "3"
    & skf21("1","4","4","2","1","4","4","1") = "3"
    & skf21("1","4","4","2","1","4","5","1") = "4"
    & skf21("1","4","4","2","1","4","6","1") = "5"
    & skf21("1","4","4","2","1","4","7","1") = "6"
    & skf21("1","4","4","2","1","5","1","1") = "4"
    & skf21("1","4","4","2","1","5","2","1") = "4"
    & skf21("1","4","4","2","1","5","3","1") = "4"
    & skf21("1","4","4","2","1","5","4","1") = "4"
    & skf21("1","4","4","2","1","5","5","1") = "4"
    & skf21("1","4","4","2","1","5","6","1") = "5"
    & skf21("1","4","4","2","1","5","7","1") = "6"
    & skf21("1","4","4","2","1","6","1","1") = "5"
    & skf21("1","4","4","2","1","6","2","1") = "5"
    & skf21("1","4","4","2","1","6","3","1") = "5"
    & skf21("1","4","4","2","1","6","4","1") = "5"
    & skf21("1","4","4","2","1","6","5","1") = "5"
    & skf21("1","4","4","2","1","6","6","1") = "5"
    & skf21("1","4","4","2","1","6","7","1") = "6"
    & skf21("1","4","4","2","1","7","1","1") = "6"
    & skf21("1","4","4","2","1","7","2","1") = "6"
    & skf21("1","4","4","2","1","7","3","1") = "6"
    & skf21("1","4","4","2","1","7","4","1") = "6"
    & skf21("1","4","4","2","1","7","5","1") = "6"
    & skf21("1","4","4","2","1","7","6","1") = "6"
    & skf21("1","4","4","2","1","7","7","1") = "6"
    & skf21("1","4","4","2","2","1","1","1") = "3"
    & skf21("1","4","4","2","2","1","2","1") = "3"
    & skf21("1","4","4","2","2","1","3","1") = "3"
    & skf21("1","4","4","2","2","1","4","1") = "3"
    & skf21("1","4","4","2","2","1","5","1") = "4"
    & skf21("1","4","4","2","2","1","6","1") = "5"
    & skf21("1","4","4","2","2","1","7","1") = "6"
    & skf21("1","4","4","2","2","2","1","1") = "3"
    & skf21("1","4","4","2","2","2","2","1") = "3"
    & skf21("1","4","4","2","2","2","3","1") = "3"
    & skf21("1","4","4","2","2","2","4","1") = "3"
    & skf21("1","4","4","2","2","2","5","1") = "4"
    & skf21("1","4","4","2","2","2","6","1") = "5"
    & skf21("1","4","4","2","2","2","7","1") = "6"
    & skf21("1","4","4","2","2","3","1","1") = "3"
    & skf21("1","4","4","2","2","3","2","1") = "3"
    & skf21("1","4","4","2","2","3","3","1") = "3"
    & skf21("1","4","4","2","2","3","4","1") = "3"
    & skf21("1","4","4","2","2","3","5","1") = "4"
    & skf21("1","4","4","2","2","3","6","1") = "5"
    & skf21("1","4","4","2","2","3","7","1") = "6"
    & skf21("1","4","4","2","2","4","1","1") = "3"
    & skf21("1","4","4","2","2","4","2","1") = "3"
    & skf21("1","4","4","2","2","4","3","1") = "3"
    & skf21("1","4","4","2","2","4","4","1") = "3"
    & skf21("1","4","4","2","2","4","5","1") = "4"
    & skf21("1","4","4","2","2","4","6","1") = "5"
    & skf21("1","4","4","2","2","4","7","1") = "6"
    & skf21("1","4","4","2","2","5","1","1") = "4"
    & skf21("1","4","4","2","2","5","2","1") = "4"
    & skf21("1","4","4","2","2","5","3","1") = "4"
    & skf21("1","4","4","2","2","5","4","1") = "4"
    & skf21("1","4","4","2","2","5","5","1") = "4"
    & skf21("1","4","4","2","2","5","6","1") = "5"
    & skf21("1","4","4","2","2","5","7","1") = "6"
    & skf21("1","4","4","2","2","6","1","1") = "5"
    & skf21("1","4","4","2","2","6","2","1") = "5"
    & skf21("1","4","4","2","2","6","3","1") = "5"
    & skf21("1","4","4","2","2","6","4","1") = "5"
    & skf21("1","4","4","2","2","6","5","1") = "5"
    & skf21("1","4","4","2","2","6","6","1") = "5"
    & skf21("1","4","4","2","2","6","7","1") = "6"
    & skf21("1","4","4","2","2","7","1","1") = "6"
    & skf21("1","4","4","2","2","7","2","1") = "6"
    & skf21("1","4","4","2","2","7","3","1") = "6"
    & skf21("1","4","4","2","2","7","4","1") = "6"
    & skf21("1","4","4","2","2","7","5","1") = "6"
    & skf21("1","4","4","2","2","7","6","1") = "6"
    & skf21("1","4","4","2","2","7","7","1") = "6"
    & skf21("1","4","4","2","3","1","1","1") = "3"
    & skf21("1","4","4","2","3","1","2","1") = "3"
    & skf21("1","4","4","2","3","1","3","1") = "3"
    & skf21("1","4","4","2","3","1","4","1") = "3"
    & skf21("1","4","4","2","3","1","5","1") = "4"
    & skf21("1","4","4","2","3","1","6","1") = "5"
    & skf21("1","4","4","2","3","1","7","1") = "6"
    & skf21("1","4","4","2","3","2","1","1") = "3"
    & skf21("1","4","4","2","3","2","2","1") = "3"
    & skf21("1","4","4","2","3","2","3","1") = "3"
    & skf21("1","4","4","2","3","2","4","1") = "3"
    & skf21("1","4","4","2","3","2","5","1") = "4"
    & skf21("1","4","4","2","3","2","6","1") = "5"
    & skf21("1","4","4","2","3","2","7","1") = "6"
    & skf21("1","4","4","2","3","3","1","1") = "3"
    & skf21("1","4","4","2","3","3","2","1") = "3"
    & skf21("1","4","4","2","3","3","3","1") = "3"
    & skf21("1","4","4","2","3","3","4","1") = "3"
    & skf21("1","4","4","2","3","3","5","1") = "4"
    & skf21("1","4","4","2","3","3","6","1") = "5"
    & skf21("1","4","4","2","3","3","7","1") = "6"
    & skf21("1","4","4","2","3","4","1","1") = "3"
    & skf21("1","4","4","2","3","4","2","1") = "3"
    & skf21("1","4","4","2","3","4","3","1") = "3"
    & skf21("1","4","4","2","3","4","4","1") = "3"
    & skf21("1","4","4","2","3","4","5","1") = "4"
    & skf21("1","4","4","2","3","4","6","1") = "5"
    & skf21("1","4","4","2","3","4","7","1") = "6"
    & skf21("1","4","4","2","3","5","1","1") = "4"
    & skf21("1","4","4","2","3","5","2","1") = "4"
    & skf21("1","4","4","2","3","5","3","1") = "4"
    & skf21("1","4","4","2","3","5","4","1") = "4"
    & skf21("1","4","4","2","3","5","5","1") = "4"
    & skf21("1","4","4","2","3","5","6","1") = "5"
    & skf21("1","4","4","2","3","5","7","1") = "6"
    & skf21("1","4","4","2","3","6","1","1") = "5"
    & skf21("1","4","4","2","3","6","2","1") = "5"
    & skf21("1","4","4","2","3","6","3","1") = "5"
    & skf21("1","4","4","2","3","6","4","1") = "5"
    & skf21("1","4","4","2","3","6","5","1") = "5"
    & skf21("1","4","4","2","3","6","6","1") = "5"
    & skf21("1","4","4","2","3","6","7","1") = "6"
    & skf21("1","4","4","2","3","7","1","1") = "6"
    & skf21("1","4","4","2","3","7","2","1") = "6"
    & skf21("1","4","4","2","3","7","3","1") = "6"
    & skf21("1","4","4","2","3","7","4","1") = "6"
    & skf21("1","4","4","2","3","7","5","1") = "6"
    & skf21("1","4","4","2","3","7","6","1") = "6"
    & skf21("1","4","4","2","3","7","7","1") = "6"
    & skf21("1","4","4","2","4","1","1","1") = "3"
    & skf21("1","4","4","2","4","1","2","1") = "3"
    & skf21("1","4","4","2","4","1","3","1") = "3"
    & skf21("1","4","4","2","4","1","4","1") = "3"
    & skf21("1","4","4","2","4","1","5","1") = "4"
    & skf21("1","4","4","2","4","1","6","1") = "5"
    & skf21("1","4","4","2","4","1","7","1") = "6"
    & skf21("1","4","4","2","4","2","1","1") = "3"
    & skf21("1","4","4","2","4","2","2","1") = "3"
    & skf21("1","4","4","2","4","2","3","1") = "3"
    & skf21("1","4","4","2","4","2","4","1") = "3"
    & skf21("1","4","4","2","4","2","5","1") = "4"
    & skf21("1","4","4","2","4","2","6","1") = "5"
    & skf21("1","4","4","2","4","2","7","1") = "6"
    & skf21("1","4","4","2","4","3","1","1") = "3"
    & skf21("1","4","4","2","4","3","2","1") = "3"
    & skf21("1","4","4","2","4","3","3","1") = "3"
    & skf21("1","4","4","2","4","3","4","1") = "3"
    & skf21("1","4","4","2","4","3","5","1") = "4"
    & skf21("1","4","4","2","4","3","6","1") = "5"
    & skf21("1","4","4","2","4","3","7","1") = "6"
    & skf21("1","4","4","2","4","4","1","1") = "3"
    & skf21("1","4","4","2","4","4","2","1") = "3"
    & skf21("1","4","4","2","4","4","3","1") = "3"
    & skf21("1","4","4","2","4","4","4","1") = "3"
    & skf21("1","4","4","2","4","4","5","1") = "4"
    & skf21("1","4","4","2","4","4","6","1") = "5"
    & skf21("1","4","4","2","4","4","7","1") = "6"
    & skf21("1","4","4","2","4","5","1","1") = "4"
    & skf21("1","4","4","2","4","5","2","1") = "4"
    & skf21("1","4","4","2","4","5","3","1") = "4"
    & skf21("1","4","4","2","4","5","4","1") = "4"
    & skf21("1","4","4","2","4","5","5","1") = "4"
    & skf21("1","4","4","2","4","5","6","1") = "5"
    & skf21("1","4","4","2","4","5","7","1") = "6"
    & skf21("1","4","4","2","4","6","1","1") = "5"
    & skf21("1","4","4","2","4","6","2","1") = "5"
    & skf21("1","4","4","2","4","6","3","1") = "5"
    & skf21("1","4","4","2","4","6","4","1") = "5"
    & skf21("1","4","4","2","4","6","5","1") = "5"
    & skf21("1","4","4","2","4","6","6","1") = "5"
    & skf21("1","4","4","2","4","6","7","1") = "6"
    & skf21("1","4","4","2","4","7","1","1") = "6"
    & skf21("1","4","4","2","4","7","2","1") = "6"
    & skf21("1","4","4","2","4","7","3","1") = "6"
    & skf21("1","4","4","2","4","7","4","1") = "6"
    & skf21("1","4","4","2","4","7","5","1") = "6"
    & skf21("1","4","4","2","4","7","6","1") = "6"
    & skf21("1","4","4","2","4","7","7","1") = "6"
    & skf21("1","4","4","2","5","1","1","1") = "4"
    & skf21("1","4","4","2","5","1","2","1") = "4"
    & skf21("1","4","4","2","5","1","3","1") = "4"
    & skf21("1","4","4","2","5","1","4","1") = "4"
    & skf21("1","4","4","2","5","1","5","1") = "4"
    & skf21("1","4","4","2","5","1","6","1") = "5"
    & skf21("1","4","4","2","5","1","7","1") = "6"
    & skf21("1","4","4","2","5","2","1","1") = "4"
    & skf21("1","4","4","2","5","2","2","1") = "4"
    & skf21("1","4","4","2","5","2","3","1") = "4"
    & skf21("1","4","4","2","5","2","4","1") = "4"
    & skf21("1","4","4","2","5","2","5","1") = "4"
    & skf21("1","4","4","2","5","2","6","1") = "5"
    & skf21("1","4","4","2","5","2","7","1") = "6"
    & skf21("1","4","4","2","5","3","1","1") = "4"
    & skf21("1","4","4","2","5","3","2","1") = "4"
    & skf21("1","4","4","2","5","3","3","1") = "4"
    & skf21("1","4","4","2","5","3","4","1") = "4"
    & skf21("1","4","4","2","5","3","5","1") = "4"
    & skf21("1","4","4","2","5","3","6","1") = "5"
    & skf21("1","4","4","2","5","3","7","1") = "6"
    & skf21("1","4","4","2","5","4","1","1") = "4"
    & skf21("1","4","4","2","5","4","2","1") = "4"
    & skf21("1","4","4","2","5","4","3","1") = "4"
    & skf21("1","4","4","2","5","4","4","1") = "4"
    & skf21("1","4","4","2","5","4","5","1") = "4"
    & skf21("1","4","4","2","5","4","6","1") = "5"
    & skf21("1","4","4","2","5","4","7","1") = "6"
    & skf21("1","4","4","2","5","5","1","1") = "4"
    & skf21("1","4","4","2","5","5","2","1") = "4"
    & skf21("1","4","4","2","5","5","3","1") = "4"
    & skf21("1","4","4","2","5","5","4","1") = "4"
    & skf21("1","4","4","2","5","5","5","1") = "4"
    & skf21("1","4","4","2","5","5","6","1") = "5"
    & skf21("1","4","4","2","5","5","7","1") = "6"
    & skf21("1","4","4","2","5","6","1","1") = "5"
    & skf21("1","4","4","2","5","6","2","1") = "5"
    & skf21("1","4","4","2","5","6","3","1") = "5"
    & skf21("1","4","4","2","5","6","4","1") = "5"
    & skf21("1","4","4","2","5","6","5","1") = "5"
    & skf21("1","4","4","2","5","6","6","1") = "5"
    & skf21("1","4","4","2","5","6","7","1") = "6"
    & skf21("1","4","4","2","5","7","1","1") = "6"
    & skf21("1","4","4","2","5","7","2","1") = "6"
    & skf21("1","4","4","2","5","7","3","1") = "6"
    & skf21("1","4","4","2","5","7","4","1") = "6"
    & skf21("1","4","4","2","5","7","5","1") = "6"
    & skf21("1","4","4","2","5","7","6","1") = "6"
    & skf21("1","4","4","2","5","7","7","1") = "6"
    & skf21("1","4","4","2","6","1","1","1") = "5"
    & skf21("1","4","4","2","6","1","2","1") = "5"
    & skf21("1","4","4","2","6","1","3","1") = "5"
    & skf21("1","4","4","2","6","1","4","1") = "5"
    & skf21("1","4","4","2","6","1","5","1") = "5"
    & skf21("1","4","4","2","6","1","6","1") = "5"
    & skf21("1","4","4","2","6","1","7","1") = "6"
    & skf21("1","4","4","2","6","2","1","1") = "5"
    & skf21("1","4","4","2","6","2","2","1") = "5"
    & skf21("1","4","4","2","6","2","3","1") = "5"
    & skf21("1","4","4","2","6","2","4","1") = "5"
    & skf21("1","4","4","2","6","2","5","1") = "5"
    & skf21("1","4","4","2","6","2","6","1") = "5"
    & skf21("1","4","4","2","6","2","7","1") = "6"
    & skf21("1","4","4","2","6","3","1","1") = "5"
    & skf21("1","4","4","2","6","3","2","1") = "5"
    & skf21("1","4","4","2","6","3","3","1") = "5"
    & skf21("1","4","4","2","6","3","4","1") = "5"
    & skf21("1","4","4","2","6","3","5","1") = "5"
    & skf21("1","4","4","2","6","3","6","1") = "5"
    & skf21("1","4","4","2","6","3","7","1") = "6"
    & skf21("1","4","4","2","6","4","1","1") = "5"
    & skf21("1","4","4","2","6","4","2","1") = "5"
    & skf21("1","4","4","2","6","4","3","1") = "5"
    & skf21("1","4","4","2","6","4","4","1") = "5"
    & skf21("1","4","4","2","6","4","5","1") = "5"
    & skf21("1","4","4","2","6","4","6","1") = "5"
    & skf21("1","4","4","2","6","4","7","1") = "6"
    & skf21("1","4","4","2","6","5","1","1") = "5"
    & skf21("1","4","4","2","6","5","2","1") = "5"
    & skf21("1","4","4","2","6","5","3","1") = "5"
    & skf21("1","4","4","2","6","5","4","1") = "5"
    & skf21("1","4","4","2","6","5","5","1") = "5"
    & skf21("1","4","4","2","6","5","6","1") = "5"
    & skf21("1","4","4","2","6","5","7","1") = "6"
    & skf21("1","4","4","2","6","6","1","1") = "5"
    & skf21("1","4","4","2","6","6","2","1") = "5"
    & skf21("1","4","4","2","6","6","3","1") = "5"
    & skf21("1","4","4","2","6","6","4","1") = "5"
    & skf21("1","4","4","2","6","6","5","1") = "5"
    & skf21("1","4","4","2","6","6","6","1") = "5"
    & skf21("1","4","4","2","6","6","7","1") = "6"
    & skf21("1","4","4","2","6","7","1","1") = "6"
    & skf21("1","4","4","2","6","7","2","1") = "6"
    & skf21("1","4","4","2","6","7","3","1") = "6"
    & skf21("1","4","4","2","6","7","4","1") = "6"
    & skf21("1","4","4","2","6","7","5","1") = "6"
    & skf21("1","4","4","2","6","7","6","1") = "6"
    & skf21("1","4","4","2","6","7","7","1") = "6"
    & skf21("1","4","4","2","7","1","1","1") = "6"
    & skf21("1","4","4","2","7","1","2","1") = "6"
    & skf21("1","4","4","2","7","1","3","1") = "6"
    & skf21("1","4","4","2","7","1","4","1") = "6"
    & skf21("1","4","4","2","7","1","5","1") = "6"
    & skf21("1","4","4","2","7","1","6","1") = "6"
    & skf21("1","4","4","2","7","1","7","1") = "6"
    & skf21("1","4","4","2","7","2","1","1") = "6"
    & skf21("1","4","4","2","7","2","2","1") = "6"
    & skf21("1","4","4","2","7","2","3","1") = "6"
    & skf21("1","4","4","2","7","2","4","1") = "6"
    & skf21("1","4","4","2","7","2","5","1") = "6"
    & skf21("1","4","4","2","7","2","6","1") = "6"
    & skf21("1","4","4","2","7","2","7","1") = "6"
    & skf21("1","4","4","2","7","3","1","1") = "6"
    & skf21("1","4","4","2","7","3","2","1") = "6"
    & skf21("1","4","4","2","7","3","3","1") = "6"
    & skf21("1","4","4","2","7","3","4","1") = "6"
    & skf21("1","4","4","2","7","3","5","1") = "6"
    & skf21("1","4","4","2","7","3","6","1") = "6"
    & skf21("1","4","4","2","7","3","7","1") = "6"
    & skf21("1","4","4","2","7","4","1","1") = "6"
    & skf21("1","4","4","2","7","4","2","1") = "6"
    & skf21("1","4","4","2","7","4","3","1") = "6"
    & skf21("1","4","4","2","7","4","4","1") = "6"
    & skf21("1","4","4","2","7","4","5","1") = "6"
    & skf21("1","4","4","2","7","4","6","1") = "6"
    & skf21("1","4","4","2","7","4","7","1") = "6"
    & skf21("1","4","4","2","7","5","1","1") = "6"
    & skf21("1","4","4","2","7","5","2","1") = "6"
    & skf21("1","4","4","2","7","5","3","1") = "6"
    & skf21("1","4","4","2","7","5","4","1") = "6"
    & skf21("1","4","4","2","7","5","5","1") = "6"
    & skf21("1","4","4","2","7","5","6","1") = "6"
    & skf21("1","4","4","2","7","5","7","1") = "6"
    & skf21("1","4","4","2","7","6","1","1") = "6"
    & skf21("1","4","4","2","7","6","2","1") = "6"
    & skf21("1","4","4","2","7","6","3","1") = "6"
    & skf21("1","4","4","2","7","6","4","1") = "6"
    & skf21("1","4","4","2","7","6","5","1") = "6"
    & skf21("1","4","4","2","7","6","6","1") = "6"
    & skf21("1","4","4","2","7","6","7","1") = "6"
    & skf21("1","4","4","2","7","7","1","1") = "6"
    & skf21("1","4","4","2","7","7","2","1") = "6"
    & skf21("1","4","4","2","7","7","3","1") = "6"
    & skf21("1","4","4","2","7","7","4","1") = "6"
    & skf21("1","4","4","2","7","7","5","1") = "6"
    & skf21("1","4","4","2","7","7","6","1") = "6"
    & skf21("1","4","4","2","7","7","7","1") = "6"
    & skf21("1","4","4","3","1","1","1","1") = "3"
    & skf21("1","4","4","3","1","1","2","1") = "3"
    & skf21("1","4","4","3","1","1","3","1") = "3"
    & skf21("1","4","4","3","1","1","4","1") = "3"
    & skf21("1","4","4","3","1","1","5","1") = "4"
    & skf21("1","4","4","3","1","1","6","1") = "5"
    & skf21("1","4","4","3","1","1","7","1") = "6"
    & skf21("1","4","4","3","1","2","1","1") = "3"
    & skf21("1","4","4","3","1","2","2","1") = "3"
    & skf21("1","4","4","3","1","2","3","1") = "3"
    & skf21("1","4","4","3","1","2","4","1") = "3"
    & skf21("1","4","4","3","1","2","5","1") = "4"
    & skf21("1","4","4","3","1","2","6","1") = "5"
    & skf21("1","4","4","3","1","2","7","1") = "6"
    & skf21("1","4","4","3","1","3","1","1") = "3"
    & skf21("1","4","4","3","1","3","2","1") = "3"
    & skf21("1","4","4","3","1","3","3","1") = "3"
    & skf21("1","4","4","3","1","3","4","1") = "3"
    & skf21("1","4","4","3","1","3","5","1") = "4"
    & skf21("1","4","4","3","1","3","6","1") = "5"
    & skf21("1","4","4","3","1","3","7","1") = "6"
    & skf21("1","4","4","3","1","4","1","1") = "3"
    & skf21("1","4","4","3","1","4","2","1") = "3"
    & skf21("1","4","4","3","1","4","3","1") = "3"
    & skf21("1","4","4","3","1","4","4","1") = "3"
    & skf21("1","4","4","3","1","4","5","1") = "4"
    & skf21("1","4","4","3","1","4","6","1") = "5"
    & skf21("1","4","4","3","1","4","7","1") = "6"
    & skf21("1","4","4","3","1","5","1","1") = "4"
    & skf21("1","4","4","3","1","5","2","1") = "4"
    & skf21("1","4","4","3","1","5","3","1") = "4"
    & skf21("1","4","4","3","1","5","4","1") = "4"
    & skf21("1","4","4","3","1","5","5","1") = "4"
    & skf21("1","4","4","3","1","5","6","1") = "5"
    & skf21("1","4","4","3","1","5","7","1") = "6"
    & skf21("1","4","4","3","1","6","1","1") = "5"
    & skf21("1","4","4","3","1","6","2","1") = "5"
    & skf21("1","4","4","3","1","6","3","1") = "5"
    & skf21("1","4","4","3","1","6","4","1") = "5"
    & skf21("1","4","4","3","1","6","5","1") = "5"
    & skf21("1","4","4","3","1","6","6","1") = "5"
    & skf21("1","4","4","3","1","6","7","1") = "6"
    & skf21("1","4","4","3","1","7","1","1") = "6"
    & skf21("1","4","4","3","1","7","2","1") = "6"
    & skf21("1","4","4","3","1","7","3","1") = "6"
    & skf21("1","4","4","3","1","7","4","1") = "6"
    & skf21("1","4","4","3","1","7","5","1") = "6"
    & skf21("1","4","4","3","1","7","6","1") = "6"
    & skf21("1","4","4","3","1","7","7","1") = "6"
    & skf21("1","4","4","3","2","1","1","1") = "3"
    & skf21("1","4","4","3","2","1","2","1") = "3"
    & skf21("1","4","4","3","2","1","3","1") = "3"
    & skf21("1","4","4","3","2","1","4","1") = "3"
    & skf21("1","4","4","3","2","1","5","1") = "4"
    & skf21("1","4","4","3","2","1","6","1") = "5"
    & skf21("1","4","4","3","2","1","7","1") = "6"
    & skf21("1","4","4","3","2","2","1","1") = "3"
    & skf21("1","4","4","3","2","2","2","1") = "3"
    & skf21("1","4","4","3","2","2","3","1") = "3"
    & skf21("1","4","4","3","2","2","4","1") = "3"
    & skf21("1","4","4","3","2","2","5","1") = "4"
    & skf21("1","4","4","3","2","2","6","1") = "5"
    & skf21("1","4","4","3","2","2","7","1") = "6"
    & skf21("1","4","4","3","2","3","1","1") = "3"
    & skf21("1","4","4","3","2","3","2","1") = "3"
    & skf21("1","4","4","3","2","3","3","1") = "3"
    & skf21("1","4","4","3","2","3","4","1") = "3"
    & skf21("1","4","4","3","2","3","5","1") = "4"
    & skf21("1","4","4","3","2","3","6","1") = "5"
    & skf21("1","4","4","3","2","3","7","1") = "6"
    & skf21("1","4","4","3","2","4","1","1") = "3"
    & skf21("1","4","4","3","2","4","2","1") = "3"
    & skf21("1","4","4","3","2","4","3","1") = "3"
    & skf21("1","4","4","3","2","4","4","1") = "3"
    & skf21("1","4","4","3","2","4","5","1") = "4"
    & skf21("1","4","4","3","2","4","6","1") = "5"
    & skf21("1","4","4","3","2","4","7","1") = "6"
    & skf21("1","4","4","3","2","5","1","1") = "4"
    & skf21("1","4","4","3","2","5","2","1") = "4"
    & skf21("1","4","4","3","2","5","3","1") = "4"
    & skf21("1","4","4","3","2","5","4","1") = "4"
    & skf21("1","4","4","3","2","5","5","1") = "4"
    & skf21("1","4","4","3","2","5","6","1") = "5"
    & skf21("1","4","4","3","2","5","7","1") = "6"
    & skf21("1","4","4","3","2","6","1","1") = "5"
    & skf21("1","4","4","3","2","6","2","1") = "5"
    & skf21("1","4","4","3","2","6","3","1") = "5"
    & skf21("1","4","4","3","2","6","4","1") = "5"
    & skf21("1","4","4","3","2","6","5","1") = "5"
    & skf21("1","4","4","3","2","6","6","1") = "5"
    & skf21("1","4","4","3","2","6","7","1") = "6"
    & skf21("1","4","4","3","2","7","1","1") = "6"
    & skf21("1","4","4","3","2","7","2","1") = "6"
    & skf21("1","4","4","3","2","7","3","1") = "6"
    & skf21("1","4","4","3","2","7","4","1") = "6"
    & skf21("1","4","4","3","2","7","5","1") = "6"
    & skf21("1","4","4","3","2","7","6","1") = "6"
    & skf21("1","4","4","3","2","7","7","1") = "6"
    & skf21("1","4","4","3","3","1","1","1") = "3"
    & skf21("1","4","4","3","3","1","2","1") = "3"
    & skf21("1","4","4","3","3","1","3","1") = "3"
    & skf21("1","4","4","3","3","1","4","1") = "3"
    & skf21("1","4","4","3","3","1","5","1") = "4"
    & skf21("1","4","4","3","3","1","6","1") = "5"
    & skf21("1","4","4","3","3","1","7","1") = "6"
    & skf21("1","4","4","3","3","2","1","1") = "3"
    & skf21("1","4","4","3","3","2","2","1") = "3"
    & skf21("1","4","4","3","3","2","3","1") = "3"
    & skf21("1","4","4","3","3","2","4","1") = "3"
    & skf21("1","4","4","3","3","2","5","1") = "4"
    & skf21("1","4","4","3","3","2","6","1") = "5"
    & skf21("1","4","4","3","3","2","7","1") = "6"
    & skf21("1","4","4","3","3","3","1","1") = "3"
    & skf21("1","4","4","3","3","3","2","1") = "3"
    & skf21("1","4","4","3","3","3","3","1") = "3"
    & skf21("1","4","4","3","3","3","4","1") = "3"
    & skf21("1","4","4","3","3","3","5","1") = "4"
    & skf21("1","4","4","3","3","3","6","1") = "5"
    & skf21("1","4","4","3","3","3","7","1") = "6"
    & skf21("1","4","4","3","3","4","1","1") = "3"
    & skf21("1","4","4","3","3","4","2","1") = "3"
    & skf21("1","4","4","3","3","4","3","1") = "3"
    & skf21("1","4","4","3","3","4","4","1") = "3"
    & skf21("1","4","4","3","3","4","5","1") = "4"
    & skf21("1","4","4","3","3","4","6","1") = "5"
    & skf21("1","4","4","3","3","4","7","1") = "6"
    & skf21("1","4","4","3","3","5","1","1") = "4"
    & skf21("1","4","4","3","3","5","2","1") = "4"
    & skf21("1","4","4","3","3","5","3","1") = "4"
    & skf21("1","4","4","3","3","5","4","1") = "4"
    & skf21("1","4","4","3","3","5","5","1") = "4"
    & skf21("1","4","4","3","3","5","6","1") = "5"
    & skf21("1","4","4","3","3","5","7","1") = "6"
    & skf21("1","4","4","3","3","6","1","1") = "5"
    & skf21("1","4","4","3","3","6","2","1") = "5"
    & skf21("1","4","4","3","3","6","3","1") = "5"
    & skf21("1","4","4","3","3","6","4","1") = "5"
    & skf21("1","4","4","3","3","6","5","1") = "5"
    & skf21("1","4","4","3","3","6","6","1") = "5"
    & skf21("1","4","4","3","3","6","7","1") = "6"
    & skf21("1","4","4","3","3","7","1","1") = "6"
    & skf21("1","4","4","3","3","7","2","1") = "6"
    & skf21("1","4","4","3","3","7","3","1") = "6"
    & skf21("1","4","4","3","3","7","4","1") = "6"
    & skf21("1","4","4","3","3","7","5","1") = "6"
    & skf21("1","4","4","3","3","7","6","1") = "6"
    & skf21("1","4","4","3","3","7","7","1") = "6"
    & skf21("1","4","4","3","4","1","1","1") = "3"
    & skf21("1","4","4","3","4","1","2","1") = "3"
    & skf21("1","4","4","3","4","1","3","1") = "3"
    & skf21("1","4","4","3","4","1","4","1") = "3"
    & skf21("1","4","4","3","4","1","5","1") = "4"
    & skf21("1","4","4","3","4","1","6","1") = "5"
    & skf21("1","4","4","3","4","1","7","1") = "6"
    & skf21("1","4","4","3","4","2","1","1") = "3"
    & skf21("1","4","4","3","4","2","2","1") = "3"
    & skf21("1","4","4","3","4","2","3","1") = "3"
    & skf21("1","4","4","3","4","2","4","1") = "3"
    & skf21("1","4","4","3","4","2","5","1") = "4"
    & skf21("1","4","4","3","4","2","6","1") = "5"
    & skf21("1","4","4","3","4","2","7","1") = "6"
    & skf21("1","4","4","3","4","3","1","1") = "3"
    & skf21("1","4","4","3","4","3","2","1") = "3"
    & skf21("1","4","4","3","4","3","3","1") = "3"
    & skf21("1","4","4","3","4","3","4","1") = "3"
    & skf21("1","4","4","3","4","3","5","1") = "4"
    & skf21("1","4","4","3","4","3","6","1") = "5"
    & skf21("1","4","4","3","4","3","7","1") = "6"
    & skf21("1","4","4","3","4","4","1","1") = "3"
    & skf21("1","4","4","3","4","4","2","1") = "3"
    & skf21("1","4","4","3","4","4","3","1") = "3"
    & skf21("1","4","4","3","4","4","4","1") = "3"
    & skf21("1","4","4","3","4","4","5","1") = "4"
    & skf21("1","4","4","3","4","4","6","1") = "5"
    & skf21("1","4","4","3","4","4","7","1") = "6"
    & skf21("1","4","4","3","4","5","1","1") = "4"
    & skf21("1","4","4","3","4","5","2","1") = "4"
    & skf21("1","4","4","3","4","5","3","1") = "4"
    & skf21("1","4","4","3","4","5","4","1") = "4"
    & skf21("1","4","4","3","4","5","5","1") = "4"
    & skf21("1","4","4","3","4","5","6","1") = "5"
    & skf21("1","4","4","3","4","5","7","1") = "6"
    & skf21("1","4","4","3","4","6","1","1") = "5"
    & skf21("1","4","4","3","4","6","2","1") = "5"
    & skf21("1","4","4","3","4","6","3","1") = "5"
    & skf21("1","4","4","3","4","6","4","1") = "5"
    & skf21("1","4","4","3","4","6","5","1") = "5"
    & skf21("1","4","4","3","4","6","6","1") = "5"
    & skf21("1","4","4","3","4","6","7","1") = "6"
    & skf21("1","4","4","3","4","7","1","1") = "6"
    & skf21("1","4","4","3","4","7","2","1") = "6"
    & skf21("1","4","4","3","4","7","3","1") = "6"
    & skf21("1","4","4","3","4","7","4","1") = "6"
    & skf21("1","4","4","3","4","7","5","1") = "6"
    & skf21("1","4","4","3","4","7","6","1") = "6"
    & skf21("1","4","4","3","4","7","7","1") = "6"
    & skf21("1","4","4","3","5","1","1","1") = "4"
    & skf21("1","4","4","3","5","1","2","1") = "4"
    & skf21("1","4","4","3","5","1","3","1") = "4"
    & skf21("1","4","4","3","5","1","4","1") = "4"
    & skf21("1","4","4","3","5","1","5","1") = "4"
    & skf21("1","4","4","3","5","1","6","1") = "5"
    & skf21("1","4","4","3","5","1","7","1") = "6"
    & skf21("1","4","4","3","5","2","1","1") = "4"
    & skf21("1","4","4","3","5","2","2","1") = "4"
    & skf21("1","4","4","3","5","2","3","1") = "4"
    & skf21("1","4","4","3","5","2","4","1") = "4"
    & skf21("1","4","4","3","5","2","5","1") = "4"
    & skf21("1","4","4","3","5","2","6","1") = "5"
    & skf21("1","4","4","3","5","2","7","1") = "6"
    & skf21("1","4","4","3","5","3","1","1") = "4"
    & skf21("1","4","4","3","5","3","2","1") = "4"
    & skf21("1","4","4","3","5","3","3","1") = "4"
    & skf21("1","4","4","3","5","3","4","1") = "4"
    & skf21("1","4","4","3","5","3","5","1") = "4"
    & skf21("1","4","4","3","5","3","6","1") = "5"
    & skf21("1","4","4","3","5","3","7","1") = "6"
    & skf21("1","4","4","3","5","4","1","1") = "4"
    & skf21("1","4","4","3","5","4","2","1") = "4"
    & skf21("1","4","4","3","5","4","3","1") = "4"
    & skf21("1","4","4","3","5","4","4","1") = "4"
    & skf21("1","4","4","3","5","4","5","1") = "4"
    & skf21("1","4","4","3","5","4","6","1") = "5"
    & skf21("1","4","4","3","5","4","7","1") = "6"
    & skf21("1","4","4","3","5","5","1","1") = "4"
    & skf21("1","4","4","3","5","5","2","1") = "4"
    & skf21("1","4","4","3","5","5","3","1") = "4"
    & skf21("1","4","4","3","5","5","4","1") = "4"
    & skf21("1","4","4","3","5","5","5","1") = "4"
    & skf21("1","4","4","3","5","5","6","1") = "5"
    & skf21("1","4","4","3","5","5","7","1") = "6"
    & skf21("1","4","4","3","5","6","1","1") = "5"
    & skf21("1","4","4","3","5","6","2","1") = "5"
    & skf21("1","4","4","3","5","6","3","1") = "5"
    & skf21("1","4","4","3","5","6","4","1") = "5"
    & skf21("1","4","4","3","5","6","5","1") = "5"
    & skf21("1","4","4","3","5","6","6","1") = "5"
    & skf21("1","4","4","3","5","6","7","1") = "6"
    & skf21("1","4","4","3","5","7","1","1") = "6"
    & skf21("1","4","4","3","5","7","2","1") = "6"
    & skf21("1","4","4","3","5","7","3","1") = "6"
    & skf21("1","4","4","3","5","7","4","1") = "6"
    & skf21("1","4","4","3","5","7","5","1") = "6"
    & skf21("1","4","4","3","5","7","6","1") = "6"
    & skf21("1","4","4","3","5","7","7","1") = "6"
    & skf21("1","4","4","3","6","1","1","1") = "5"
    & skf21("1","4","4","3","6","1","2","1") = "5"
    & skf21("1","4","4","3","6","1","3","1") = "5"
    & skf21("1","4","4","3","6","1","4","1") = "5"
    & skf21("1","4","4","3","6","1","5","1") = "5"
    & skf21("1","4","4","3","6","1","6","1") = "5"
    & skf21("1","4","4","3","6","1","7","1") = "6"
    & skf21("1","4","4","3","6","2","1","1") = "5"
    & skf21("1","4","4","3","6","2","2","1") = "5"
    & skf21("1","4","4","3","6","2","3","1") = "5"
    & skf21("1","4","4","3","6","2","4","1") = "5"
    & skf21("1","4","4","3","6","2","5","1") = "5"
    & skf21("1","4","4","3","6","2","6","1") = "5"
    & skf21("1","4","4","3","6","2","7","1") = "6"
    & skf21("1","4","4","3","6","3","1","1") = "5"
    & skf21("1","4","4","3","6","3","2","1") = "5"
    & skf21("1","4","4","3","6","3","3","1") = "5"
    & skf21("1","4","4","3","6","3","4","1") = "5"
    & skf21("1","4","4","3","6","3","5","1") = "5"
    & skf21("1","4","4","3","6","3","6","1") = "5"
    & skf21("1","4","4","3","6","3","7","1") = "6"
    & skf21("1","4","4","3","6","4","1","1") = "5"
    & skf21("1","4","4","3","6","4","2","1") = "5"
    & skf21("1","4","4","3","6","4","3","1") = "5"
    & skf21("1","4","4","3","6","4","4","1") = "5"
    & skf21("1","4","4","3","6","4","5","1") = "5"
    & skf21("1","4","4","3","6","4","6","1") = "5"
    & skf21("1","4","4","3","6","4","7","1") = "6"
    & skf21("1","4","4","3","6","5","1","1") = "5"
    & skf21("1","4","4","3","6","5","2","1") = "5"
    & skf21("1","4","4","3","6","5","3","1") = "5"
    & skf21("1","4","4","3","6","5","4","1") = "5"
    & skf21("1","4","4","3","6","5","5","1") = "5"
    & skf21("1","4","4","3","6","5","6","1") = "5"
    & skf21("1","4","4","3","6","5","7","1") = "6"
    & skf21("1","4","4","3","6","6","1","1") = "5"
    & skf21("1","4","4","3","6","6","2","1") = "5"
    & skf21("1","4","4","3","6","6","3","1") = "5"
    & skf21("1","4","4","3","6","6","4","1") = "5"
    & skf21("1","4","4","3","6","6","5","1") = "5"
    & skf21("1","4","4","3","6","6","6","1") = "5"
    & skf21("1","4","4","3","6","6","7","1") = "6"
    & skf21("1","4","4","3","6","7","1","1") = "6"
    & skf21("1","4","4","3","6","7","2","1") = "6"
    & skf21("1","4","4","3","6","7","3","1") = "6"
    & skf21("1","4","4","3","6","7","4","1") = "6"
    & skf21("1","4","4","3","6","7","5","1") = "6"
    & skf21("1","4","4","3","6","7","6","1") = "6"
    & skf21("1","4","4","3","6","7","7","1") = "6"
    & skf21("1","4","4","3","7","1","1","1") = "6"
    & skf21("1","4","4","3","7","1","2","1") = "6"
    & skf21("1","4","4","3","7","1","3","1") = "6"
    & skf21("1","4","4","3","7","1","4","1") = "6"
    & skf21("1","4","4","3","7","1","5","1") = "6"
    & skf21("1","4","4","3","7","1","6","1") = "6"
    & skf21("1","4","4","3","7","1","7","1") = "6"
    & skf21("1","4","4","3","7","2","1","1") = "6"
    & skf21("1","4","4","3","7","2","2","1") = "6"
    & skf21("1","4","4","3","7","2","3","1") = "6"
    & skf21("1","4","4","3","7","2","4","1") = "6"
    & skf21("1","4","4","3","7","2","5","1") = "6"
    & skf21("1","4","4","3","7","2","6","1") = "6"
    & skf21("1","4","4","3","7","2","7","1") = "6"
    & skf21("1","4","4","3","7","3","1","1") = "6"
    & skf21("1","4","4","3","7","3","2","1") = "6"
    & skf21("1","4","4","3","7","3","3","1") = "6"
    & skf21("1","4","4","3","7","3","4","1") = "6"
    & skf21("1","4","4","3","7","3","5","1") = "6"
    & skf21("1","4","4","3","7","3","6","1") = "6"
    & skf21("1","4","4","3","7","3","7","1") = "6"
    & skf21("1","4","4","3","7","4","1","1") = "6"
    & skf21("1","4","4","3","7","4","2","1") = "6"
    & skf21("1","4","4","3","7","4","3","1") = "6"
    & skf21("1","4","4","3","7","4","4","1") = "6"
    & skf21("1","4","4","3","7","4","5","1") = "6"
    & skf21("1","4","4","3","7","4","6","1") = "6"
    & skf21("1","4","4","3","7","4","7","1") = "6"
    & skf21("1","4","4","3","7","5","1","1") = "6"
    & skf21("1","4","4","3","7","5","2","1") = "6"
    & skf21("1","4","4","3","7","5","3","1") = "6"
    & skf21("1","4","4","3","7","5","4","1") = "6"
    & skf21("1","4","4","3","7","5","5","1") = "6"
    & skf21("1","4","4","3","7","5","6","1") = "6"
    & skf21("1","4","4","3","7","5","7","1") = "6"
    & skf21("1","4","4","3","7","6","1","1") = "6"
    & skf21("1","4","4","3","7","6","2","1") = "6"
    & skf21("1","4","4","3","7","6","3","1") = "6"
    & skf21("1","4","4","3","7","6","4","1") = "6"
    & skf21("1","4","4","3","7","6","5","1") = "6"
    & skf21("1","4","4","3","7","6","6","1") = "6"
    & skf21("1","4","4","3","7","6","7","1") = "6"
    & skf21("1","4","4","3","7","7","1","1") = "6"
    & skf21("1","4","4","3","7","7","2","1") = "6"
    & skf21("1","4","4","3","7","7","3","1") = "6"
    & skf21("1","4","4","3","7","7","4","1") = "6"
    & skf21("1","4","4","3","7","7","5","1") = "6"
    & skf21("1","4","4","3","7","7","6","1") = "6"
    & skf21("1","4","4","3","7","7","7","1") = "6"
    & skf21("1","4","4","4","1","1","1","1") = "3"
    & skf21("1","4","4","4","1","1","2","1") = "3"
    & skf21("1","4","4","4","1","1","3","1") = "3"
    & skf21("1","4","4","4","1","1","4","1") = "3"
    & skf21("1","4","4","4","1","1","5","1") = "4"
    & skf21("1","4","4","4","1","1","6","1") = "5"
    & skf21("1","4","4","4","1","1","7","1") = "6"
    & skf21("1","4","4","4","1","2","1","1") = "3"
    & skf21("1","4","4","4","1","2","2","1") = "3"
    & skf21("1","4","4","4","1","2","3","1") = "3"
    & skf21("1","4","4","4","1","2","4","1") = "3"
    & skf21("1","4","4","4","1","2","5","1") = "4"
    & skf21("1","4","4","4","1","2","6","1") = "5"
    & skf21("1","4","4","4","1","2","7","1") = "6"
    & skf21("1","4","4","4","1","3","1","1") = "3"
    & skf21("1","4","4","4","1","3","2","1") = "3"
    & skf21("1","4","4","4","1","3","3","1") = "3"
    & skf21("1","4","4","4","1","3","4","1") = "3"
    & skf21("1","4","4","4","1","3","5","1") = "4"
    & skf21("1","4","4","4","1","3","6","1") = "5"
    & skf21("1","4","4","4","1","3","7","1") = "6"
    & skf21("1","4","4","4","1","4","1","1") = "3"
    & skf21("1","4","4","4","1","4","2","1") = "3"
    & skf21("1","4","4","4","1","4","3","1") = "3"
    & skf21("1","4","4","4","1","4","4","1") = "3"
    & skf21("1","4","4","4","1","4","5","1") = "4"
    & skf21("1","4","4","4","1","4","6","1") = "5"
    & skf21("1","4","4","4","1","4","7","1") = "6"
    & skf21("1","4","4","4","1","5","1","1") = "4"
    & skf21("1","4","4","4","1","5","2","1") = "4"
    & skf21("1","4","4","4","1","5","3","1") = "4"
    & skf21("1","4","4","4","1","5","4","1") = "4"
    & skf21("1","4","4","4","1","5","5","1") = "4"
    & skf21("1","4","4","4","1","5","6","1") = "5"
    & skf21("1","4","4","4","1","5","7","1") = "6"
    & skf21("1","4","4","4","1","6","1","1") = "5"
    & skf21("1","4","4","4","1","6","2","1") = "5"
    & skf21("1","4","4","4","1","6","3","1") = "5"
    & skf21("1","4","4","4","1","6","4","1") = "5"
    & skf21("1","4","4","4","1","6","5","1") = "5"
    & skf21("1","4","4","4","1","6","6","1") = "5"
    & skf21("1","4","4","4","1","6","7","1") = "6"
    & skf21("1","4","4","4","1","7","1","1") = "6"
    & skf21("1","4","4","4","1","7","2","1") = "6"
    & skf21("1","4","4","4","1","7","3","1") = "6"
    & skf21("1","4","4","4","1","7","4","1") = "6"
    & skf21("1","4","4","4","1","7","5","1") = "6"
    & skf21("1","4","4","4","1","7","6","1") = "6"
    & skf21("1","4","4","4","1","7","7","1") = "6"
    & skf21("1","4","4","4","2","1","1","1") = "3"
    & skf21("1","4","4","4","2","1","2","1") = "3"
    & skf21("1","4","4","4","2","1","3","1") = "3"
    & skf21("1","4","4","4","2","1","4","1") = "3"
    & skf21("1","4","4","4","2","1","5","1") = "4"
    & skf21("1","4","4","4","2","1","6","1") = "5"
    & skf21("1","4","4","4","2","1","7","1") = "6"
    & skf21("1","4","4","4","2","2","1","1") = "3"
    & skf21("1","4","4","4","2","2","2","1") = "3"
    & skf21("1","4","4","4","2","2","3","1") = "3"
    & skf21("1","4","4","4","2","2","4","1") = "3"
    & skf21("1","4","4","4","2","2","5","1") = "4"
    & skf21("1","4","4","4","2","2","6","1") = "5"
    & skf21("1","4","4","4","2","2","7","1") = "6"
    & skf21("1","4","4","4","2","3","1","1") = "3"
    & skf21("1","4","4","4","2","3","2","1") = "3"
    & skf21("1","4","4","4","2","3","3","1") = "3"
    & skf21("1","4","4","4","2","3","4","1") = "3"
    & skf21("1","4","4","4","2","3","5","1") = "4"
    & skf21("1","4","4","4","2","3","6","1") = "5"
    & skf21("1","4","4","4","2","3","7","1") = "6"
    & skf21("1","4","4","4","2","4","1","1") = "3"
    & skf21("1","4","4","4","2","4","2","1") = "3"
    & skf21("1","4","4","4","2","4","3","1") = "3"
    & skf21("1","4","4","4","2","4","4","1") = "3"
    & skf21("1","4","4","4","2","4","5","1") = "4"
    & skf21("1","4","4","4","2","4","6","1") = "5"
    & skf21("1","4","4","4","2","4","7","1") = "6"
    & skf21("1","4","4","4","2","5","1","1") = "4"
    & skf21("1","4","4","4","2","5","2","1") = "4"
    & skf21("1","4","4","4","2","5","3","1") = "4"
    & skf21("1","4","4","4","2","5","4","1") = "4"
    & skf21("1","4","4","4","2","5","5","1") = "4"
    & skf21("1","4","4","4","2","5","6","1") = "5"
    & skf21("1","4","4","4","2","5","7","1") = "6"
    & skf21("1","4","4","4","2","6","1","1") = "5"
    & skf21("1","4","4","4","2","6","2","1") = "5"
    & skf21("1","4","4","4","2","6","3","1") = "5"
    & skf21("1","4","4","4","2","6","4","1") = "5"
    & skf21("1","4","4","4","2","6","5","1") = "5"
    & skf21("1","4","4","4","2","6","6","1") = "5"
    & skf21("1","4","4","4","2","6","7","1") = "6"
    & skf21("1","4","4","4","2","7","1","1") = "6"
    & skf21("1","4","4","4","2","7","2","1") = "6"
    & skf21("1","4","4","4","2","7","3","1") = "6"
    & skf21("1","4","4","4","2","7","4","1") = "6"
    & skf21("1","4","4","4","2","7","5","1") = "6"
    & skf21("1","4","4","4","2","7","6","1") = "6"
    & skf21("1","4","4","4","2","7","7","1") = "6"
    & skf21("1","4","4","4","3","1","1","1") = "3"
    & skf21("1","4","4","4","3","1","2","1") = "3"
    & skf21("1","4","4","4","3","1","3","1") = "3"
    & skf21("1","4","4","4","3","1","4","1") = "3"
    & skf21("1","4","4","4","3","1","5","1") = "4"
    & skf21("1","4","4","4","3","1","6","1") = "5"
    & skf21("1","4","4","4","3","1","7","1") = "6"
    & skf21("1","4","4","4","3","2","1","1") = "3"
    & skf21("1","4","4","4","3","2","2","1") = "3"
    & skf21("1","4","4","4","3","2","3","1") = "3"
    & skf21("1","4","4","4","3","2","4","1") = "3"
    & skf21("1","4","4","4","3","2","5","1") = "4"
    & skf21("1","4","4","4","3","2","6","1") = "5"
    & skf21("1","4","4","4","3","2","7","1") = "6"
    & skf21("1","4","4","4","3","3","1","1") = "3"
    & skf21("1","4","4","4","3","3","2","1") = "3"
    & skf21("1","4","4","4","3","3","3","1") = "3"
    & skf21("1","4","4","4","3","3","4","1") = "3"
    & skf21("1","4","4","4","3","3","5","1") = "4"
    & skf21("1","4","4","4","3","3","6","1") = "5"
    & skf21("1","4","4","4","3","3","7","1") = "6"
    & skf21("1","4","4","4","3","4","1","1") = "3"
    & skf21("1","4","4","4","3","4","2","1") = "3"
    & skf21("1","4","4","4","3","4","3","1") = "3"
    & skf21("1","4","4","4","3","4","4","1") = "3"
    & skf21("1","4","4","4","3","4","5","1") = "4"
    & skf21("1","4","4","4","3","4","6","1") = "5"
    & skf21("1","4","4","4","3","4","7","1") = "6"
    & skf21("1","4","4","4","3","5","1","1") = "4"
    & skf21("1","4","4","4","3","5","2","1") = "4"
    & skf21("1","4","4","4","3","5","3","1") = "4"
    & skf21("1","4","4","4","3","5","4","1") = "4"
    & skf21("1","4","4","4","3","5","5","1") = "4"
    & skf21("1","4","4","4","3","5","6","1") = "5"
    & skf21("1","4","4","4","3","5","7","1") = "6"
    & skf21("1","4","4","4","3","6","1","1") = "5"
    & skf21("1","4","4","4","3","6","2","1") = "5"
    & skf21("1","4","4","4","3","6","3","1") = "5"
    & skf21("1","4","4","4","3","6","4","1") = "5"
    & skf21("1","4","4","4","3","6","5","1") = "5"
    & skf21("1","4","4","4","3","6","6","1") = "5"
    & skf21("1","4","4","4","3","6","7","1") = "6"
    & skf21("1","4","4","4","3","7","1","1") = "6"
    & skf21("1","4","4","4","3","7","2","1") = "6"
    & skf21("1","4","4","4","3","7","3","1") = "6"
    & skf21("1","4","4","4","3","7","4","1") = "6"
    & skf21("1","4","4","4","3","7","5","1") = "6"
    & skf21("1","4","4","4","3","7","6","1") = "6"
    & skf21("1","4","4","4","3","7","7","1") = "6"
    & skf21("1","4","4","4","4","1","1","1") = "3"
    & skf21("1","4","4","4","4","1","2","1") = "3"
    & skf21("1","4","4","4","4","1","3","1") = "3"
    & skf21("1","4","4","4","4","1","4","1") = "3"
    & skf21("1","4","4","4","4","1","5","1") = "4"
    & skf21("1","4","4","4","4","1","6","1") = "5"
    & skf21("1","4","4","4","4","1","7","1") = "6"
    & skf21("1","4","4","4","4","2","1","1") = "3"
    & skf21("1","4","4","4","4","2","2","1") = "3"
    & skf21("1","4","4","4","4","2","3","1") = "3"
    & skf21("1","4","4","4","4","2","4","1") = "3"
    & skf21("1","4","4","4","4","2","5","1") = "4"
    & skf21("1","4","4","4","4","2","6","1") = "5"
    & skf21("1","4","4","4","4","2","7","1") = "6"
    & skf21("1","4","4","4","4","3","1","1") = "3"
    & skf21("1","4","4","4","4","3","2","1") = "3"
    & skf21("1","4","4","4","4","3","3","1") = "3"
    & skf21("1","4","4","4","4","3","4","1") = "3"
    & skf21("1","4","4","4","4","3","5","1") = "4"
    & skf21("1","4","4","4","4","3","6","1") = "5"
    & skf21("1","4","4","4","4","3","7","1") = "6"
    & skf21("1","4","4","4","4","4","1","1") = "3"
    & skf21("1","4","4","4","4","4","2","1") = "3"
    & skf21("1","4","4","4","4","4","3","1") = "3"
    & skf21("1","4","4","4","4","4","4","1") = "3"
    & skf21("1","4","4","4","4","4","5","1") = "4"
    & skf21("1","4","4","4","4","4","6","1") = "5"
    & skf21("1","4","4","4","4","4","7","1") = "6"
    & skf21("1","4","4","4","4","5","1","1") = "4"
    & skf21("1","4","4","4","4","5","2","1") = "4"
    & skf21("1","4","4","4","4","5","3","1") = "4"
    & skf21("1","4","4","4","4","5","4","1") = "4"
    & skf21("1","4","4","4","4","5","5","1") = "4"
    & skf21("1","4","4","4","4","5","6","1") = "5"
    & skf21("1","4","4","4","4","5","7","1") = "6"
    & skf21("1","4","4","4","4","6","1","1") = "5"
    & skf21("1","4","4","4","4","6","2","1") = "5"
    & skf21("1","4","4","4","4","6","3","1") = "5"
    & skf21("1","4","4","4","4","6","4","1") = "5"
    & skf21("1","4","4","4","4","6","5","1") = "5"
    & skf21("1","4","4","4","4","6","6","1") = "5"
    & skf21("1","4","4","4","4","6","7","1") = "6"
    & skf21("1","4","4","4","4","7","1","1") = "6"
    & skf21("1","4","4","4","4","7","2","1") = "6"
    & skf21("1","4","4","4","4","7","3","1") = "6"
    & skf21("1","4","4","4","4","7","4","1") = "6"
    & skf21("1","4","4","4","4","7","5","1") = "6"
    & skf21("1","4","4","4","4","7","6","1") = "6"
    & skf21("1","4","4","4","4","7","7","1") = "6"
    & skf21("1","4","4","4","5","1","1","1") = "4"
    & skf21("1","4","4","4","5","1","2","1") = "4"
    & skf21("1","4","4","4","5","1","3","1") = "4"
    & skf21("1","4","4","4","5","1","4","1") = "4"
    & skf21("1","4","4","4","5","1","5","1") = "4"
    & skf21("1","4","4","4","5","1","6","1") = "5"
    & skf21("1","4","4","4","5","1","7","1") = "6"
    & skf21("1","4","4","4","5","2","1","1") = "4"
    & skf21("1","4","4","4","5","2","2","1") = "4"
    & skf21("1","4","4","4","5","2","3","1") = "4"
    & skf21("1","4","4","4","5","2","4","1") = "4"
    & skf21("1","4","4","4","5","2","5","1") = "4"
    & skf21("1","4","4","4","5","2","6","1") = "5"
    & skf21("1","4","4","4","5","2","7","1") = "6"
    & skf21("1","4","4","4","5","3","1","1") = "4"
    & skf21("1","4","4","4","5","3","2","1") = "4"
    & skf21("1","4","4","4","5","3","3","1") = "4"
    & skf21("1","4","4","4","5","3","4","1") = "4"
    & skf21("1","4","4","4","5","3","5","1") = "4"
    & skf21("1","4","4","4","5","3","6","1") = "5"
    & skf21("1","4","4","4","5","3","7","1") = "6"
    & skf21("1","4","4","4","5","4","1","1") = "4"
    & skf21("1","4","4","4","5","4","2","1") = "4"
    & skf21("1","4","4","4","5","4","3","1") = "4"
    & skf21("1","4","4","4","5","4","4","1") = "4"
    & skf21("1","4","4","4","5","4","5","1") = "4"
    & skf21("1","4","4","4","5","4","6","1") = "5"
    & skf21("1","4","4","4","5","4","7","1") = "6"
    & skf21("1","4","4","4","5","5","1","1") = "4"
    & skf21("1","4","4","4","5","5","2","1") = "4"
    & skf21("1","4","4","4","5","5","3","1") = "4"
    & skf21("1","4","4","4","5","5","4","1") = "4"
    & skf21("1","4","4","4","5","5","5","1") = "4"
    & skf21("1","4","4","4","5","5","6","1") = "5"
    & skf21("1","4","4","4","5","5","7","1") = "6"
    & skf21("1","4","4","4","5","6","1","1") = "5"
    & skf21("1","4","4","4","5","6","2","1") = "5"
    & skf21("1","4","4","4","5","6","3","1") = "5"
    & skf21("1","4","4","4","5","6","4","1") = "5"
    & skf21("1","4","4","4","5","6","5","1") = "5"
    & skf21("1","4","4","4","5","6","6","1") = "5"
    & skf21("1","4","4","4","5","6","7","1") = "6"
    & skf21("1","4","4","4","5","7","1","1") = "6"
    & skf21("1","4","4","4","5","7","2","1") = "6"
    & skf21("1","4","4","4","5","7","3","1") = "6"
    & skf21("1","4","4","4","5","7","4","1") = "6"
    & skf21("1","4","4","4","5","7","5","1") = "6"
    & skf21("1","4","4","4","5","7","6","1") = "6"
    & skf21("1","4","4","4","5","7","7","1") = "6"
    & skf21("1","4","4","4","6","1","1","1") = "5"
    & skf21("1","4","4","4","6","1","2","1") = "5"
    & skf21("1","4","4","4","6","1","3","1") = "5"
    & skf21("1","4","4","4","6","1","4","1") = "5"
    & skf21("1","4","4","4","6","1","5","1") = "5"
    & skf21("1","4","4","4","6","1","6","1") = "5"
    & skf21("1","4","4","4","6","1","7","1") = "6"
    & skf21("1","4","4","4","6","2","1","1") = "5"
    & skf21("1","4","4","4","6","2","2","1") = "5"
    & skf21("1","4","4","4","6","2","3","1") = "5"
    & skf21("1","4","4","4","6","2","4","1") = "5"
    & skf21("1","4","4","4","6","2","5","1") = "5"
    & skf21("1","4","4","4","6","2","6","1") = "5"
    & skf21("1","4","4","4","6","2","7","1") = "6"
    & skf21("1","4","4","4","6","3","1","1") = "5"
    & skf21("1","4","4","4","6","3","2","1") = "5"
    & skf21("1","4","4","4","6","3","3","1") = "5"
    & skf21("1","4","4","4","6","3","4","1") = "5"
    & skf21("1","4","4","4","6","3","5","1") = "5"
    & skf21("1","4","4","4","6","3","6","1") = "5"
    & skf21("1","4","4","4","6","3","7","1") = "6"
    & skf21("1","4","4","4","6","4","1","1") = "5"
    & skf21("1","4","4","4","6","4","2","1") = "5"
    & skf21("1","4","4","4","6","4","3","1") = "5"
    & skf21("1","4","4","4","6","4","4","1") = "5"
    & skf21("1","4","4","4","6","4","5","1") = "5"
    & skf21("1","4","4","4","6","4","6","1") = "5"
    & skf21("1","4","4","4","6","4","7","1") = "6"
    & skf21("1","4","4","4","6","5","1","1") = "5"
    & skf21("1","4","4","4","6","5","2","1") = "5"
    & skf21("1","4","4","4","6","5","3","1") = "5"
    & skf21("1","4","4","4","6","5","4","1") = "5"
    & skf21("1","4","4","4","6","5","5","1") = "5"
    & skf21("1","4","4","4","6","5","6","1") = "5"
    & skf21("1","4","4","4","6","5","7","1") = "6"
    & skf21("1","4","4","4","6","6","1","1") = "5"
    & skf21("1","4","4","4","6","6","2","1") = "5"
    & skf21("1","4","4","4","6","6","3","1") = "5"
    & skf21("1","4","4","4","6","6","4","1") = "5"
    & skf21("1","4","4","4","6","6","5","1") = "5"
    & skf21("1","4","4","4","6","6","6","1") = "5"
    & skf21("1","4","4","4","6","6","7","1") = "6"
    & skf21("1","4","4","4","6","7","1","1") = "6"
    & skf21("1","4","4","4","6","7","2","1") = "6"
    & skf21("1","4","4","4","6","7","3","1") = "6"
    & skf21("1","4","4","4","6","7","4","1") = "6"
    & skf21("1","4","4","4","6","7","5","1") = "6"
    & skf21("1","4","4","4","6","7","6","1") = "6"
    & skf21("1","4","4","4","6","7","7","1") = "6"
    & skf21("1","4","4","4","7","1","1","1") = "6"
    & skf21("1","4","4","4","7","1","2","1") = "6"
    & skf21("1","4","4","4","7","1","3","1") = "6"
    & skf21("1","4","4","4","7","1","4","1") = "6"
    & skf21("1","4","4","4","7","1","5","1") = "6"
    & skf21("1","4","4","4","7","1","6","1") = "6"
    & skf21("1","4","4","4","7","1","7","1") = "6"
    & skf21("1","4","4","4","7","2","1","1") = "6"
    & skf21("1","4","4","4","7","2","2","1") = "6"
    & skf21("1","4","4","4","7","2","3","1") = "6"
    & skf21("1","4","4","4","7","2","4","1") = "6"
    & skf21("1","4","4","4","7","2","5","1") = "6"
    & skf21("1","4","4","4","7","2","6","1") = "6"
    & skf21("1","4","4","4","7","2","7","1") = "6"
    & skf21("1","4","4","4","7","3","1","1") = "6"
    & skf21("1","4","4","4","7","3","2","1") = "6"
    & skf21("1","4","4","4","7","3","3","1") = "6"
    & skf21("1","4","4","4","7","3","4","1") = "6"
    & skf21("1","4","4","4","7","3","5","1") = "6"
    & skf21("1","4","4","4","7","3","6","1") = "6"
    & skf21("1","4","4","4","7","3","7","1") = "6"
    & skf21("1","4","4","4","7","4","1","1") = "6"
    & skf21("1","4","4","4","7","4","2","1") = "6"
    & skf21("1","4","4","4","7","4","3","1") = "6"
    & skf21("1","4","4","4","7","4","4","1") = "6"
    & skf21("1","4","4","4","7","4","5","1") = "6"
    & skf21("1","4","4","4","7","4","6","1") = "6"
    & skf21("1","4","4","4","7","4","7","1") = "6"
    & skf21("1","4","4","4","7","5","1","1") = "6"
    & skf21("1","4","4","4","7","5","2","1") = "6"
    & skf21("1","4","4","4","7","5","3","1") = "6"
    & skf21("1","4","4","4","7","5","4","1") = "6"
    & skf21("1","4","4","4","7","5","5","1") = "6"
    & skf21("1","4","4","4","7","5","6","1") = "6"
    & skf21("1","4","4","4","7","5","7","1") = "6"
    & skf21("1","4","4","4","7","6","1","1") = "6"
    & skf21("1","4","4","4","7","6","2","1") = "6"
    & skf21("1","4","4","4","7","6","3","1") = "6"
    & skf21("1","4","4","4","7","6","4","1") = "6"
    & skf21("1","4","4","4","7","6","5","1") = "6"
    & skf21("1","4","4","4","7","6","6","1") = "6"
    & skf21("1","4","4","4","7","6","7","1") = "6"
    & skf21("1","4","4","4","7","7","1","1") = "6"
    & skf21("1","4","4","4","7","7","2","1") = "6"
    & skf21("1","4","4","4","7","7","3","1") = "6"
    & skf21("1","4","4","4","7","7","4","1") = "6"
    & skf21("1","4","4","4","7","7","5","1") = "6"
    & skf21("1","4","4","4","7","7","6","1") = "6"
    & skf21("1","4","4","4","7","7","7","1") = "6"
    & skf21("1","4","4","5","1","1","1","1") = "4"
    & skf21("1","4","4","5","1","1","2","1") = "4"
    & skf21("1","4","4","5","1","1","3","1") = "4"
    & skf21("1","4","4","5","1","1","4","1") = "4"
    & skf21("1","4","4","5","1","1","5","1") = "4"
    & skf21("1","4","4","5","1","1","6","1") = "5"
    & skf21("1","4","4","5","1","1","7","1") = "6"
    & skf21("1","4","4","5","1","2","1","1") = "4"
    & skf21("1","4","4","5","1","2","2","1") = "4"
    & skf21("1","4","4","5","1","2","3","1") = "4"
    & skf21("1","4","4","5","1","2","4","1") = "4"
    & skf21("1","4","4","5","1","2","5","1") = "4"
    & skf21("1","4","4","5","1","2","6","1") = "5"
    & skf21("1","4","4","5","1","2","7","1") = "6"
    & skf21("1","4","4","5","1","3","1","1") = "4"
    & skf21("1","4","4","5","1","3","2","1") = "4"
    & skf21("1","4","4","5","1","3","3","1") = "4"
    & skf21("1","4","4","5","1","3","4","1") = "4"
    & skf21("1","4","4","5","1","3","5","1") = "4"
    & skf21("1","4","4","5","1","3","6","1") = "5"
    & skf21("1","4","4","5","1","3","7","1") = "6"
    & skf21("1","4","4","5","1","4","1","1") = "4"
    & skf21("1","4","4","5","1","4","2","1") = "4"
    & skf21("1","4","4","5","1","4","3","1") = "4"
    & skf21("1","4","4","5","1","4","4","1") = "4"
    & skf21("1","4","4","5","1","4","5","1") = "4"
    & skf21("1","4","4","5","1","4","6","1") = "5"
    & skf21("1","4","4","5","1","4","7","1") = "6"
    & skf21("1","4","4","5","1","5","1","1") = "4"
    & skf21("1","4","4","5","1","5","2","1") = "4"
    & skf21("1","4","4","5","1","5","3","1") = "4"
    & skf21("1","4","4","5","1","5","4","1") = "4"
    & skf21("1","4","4","5","1","5","5","1") = "4"
    & skf21("1","4","4","5","1","5","6","1") = "5"
    & skf21("1","4","4","5","1","5","7","1") = "6"
    & skf21("1","4","4","5","1","6","1","1") = "5"
    & skf21("1","4","4","5","1","6","2","1") = "5"
    & skf21("1","4","4","5","1","6","3","1") = "5"
    & skf21("1","4","4","5","1","6","4","1") = "5"
    & skf21("1","4","4","5","1","6","5","1") = "5"
    & skf21("1","4","4","5","1","6","6","1") = "5"
    & skf21("1","4","4","5","1","6","7","1") = "6"
    & skf21("1","4","4","5","1","7","1","1") = "6"
    & skf21("1","4","4","5","1","7","2","1") = "6"
    & skf21("1","4","4","5","1","7","3","1") = "6"
    & skf21("1","4","4","5","1","7","4","1") = "6"
    & skf21("1","4","4","5","1","7","5","1") = "6"
    & skf21("1","4","4","5","1","7","6","1") = "6"
    & skf21("1","4","4","5","1","7","7","1") = "6"
    & skf21("1","4","4","5","2","1","1","1") = "4"
    & skf21("1","4","4","5","2","1","2","1") = "4"
    & skf21("1","4","4","5","2","1","3","1") = "4"
    & skf21("1","4","4","5","2","1","4","1") = "4"
    & skf21("1","4","4","5","2","1","5","1") = "4"
    & skf21("1","4","4","5","2","1","6","1") = "5"
    & skf21("1","4","4","5","2","1","7","1") = "6"
    & skf21("1","4","4","5","2","2","1","1") = "4"
    & skf21("1","4","4","5","2","2","2","1") = "4"
    & skf21("1","4","4","5","2","2","3","1") = "4"
    & skf21("1","4","4","5","2","2","4","1") = "4"
    & skf21("1","4","4","5","2","2","5","1") = "4"
    & skf21("1","4","4","5","2","2","6","1") = "5"
    & skf21("1","4","4","5","2","2","7","1") = "6"
    & skf21("1","4","4","5","2","3","1","1") = "4"
    & skf21("1","4","4","5","2","3","2","1") = "4"
    & skf21("1","4","4","5","2","3","3","1") = "4"
    & skf21("1","4","4","5","2","3","4","1") = "4"
    & skf21("1","4","4","5","2","3","5","1") = "4"
    & skf21("1","4","4","5","2","3","6","1") = "5"
    & skf21("1","4","4","5","2","3","7","1") = "6"
    & skf21("1","4","4","5","2","4","1","1") = "4"
    & skf21("1","4","4","5","2","4","2","1") = "4"
    & skf21("1","4","4","5","2","4","3","1") = "4"
    & skf21("1","4","4","5","2","4","4","1") = "4"
    & skf21("1","4","4","5","2","4","5","1") = "4"
    & skf21("1","4","4","5","2","4","6","1") = "5"
    & skf21("1","4","4","5","2","4","7","1") = "6"
    & skf21("1","4","4","5","2","5","1","1") = "4"
    & skf21("1","4","4","5","2","5","2","1") = "4"
    & skf21("1","4","4","5","2","5","3","1") = "4"
    & skf21("1","4","4","5","2","5","4","1") = "4"
    & skf21("1","4","4","5","2","5","5","1") = "4"
    & skf21("1","4","4","5","2","5","6","1") = "5"
    & skf21("1","4","4","5","2","5","7","1") = "6"
    & skf21("1","4","4","5","2","6","1","1") = "5"
    & skf21("1","4","4","5","2","6","2","1") = "5"
    & skf21("1","4","4","5","2","6","3","1") = "5"
    & skf21("1","4","4","5","2","6","4","1") = "5"
    & skf21("1","4","4","5","2","6","5","1") = "5"
    & skf21("1","4","4","5","2","6","6","1") = "5"
    & skf21("1","4","4","5","2","6","7","1") = "6"
    & skf21("1","4","4","5","2","7","1","1") = "6"
    & skf21("1","4","4","5","2","7","2","1") = "6"
    & skf21("1","4","4","5","2","7","3","1") = "6"
    & skf21("1","4","4","5","2","7","4","1") = "6"
    & skf21("1","4","4","5","2","7","5","1") = "6"
    & skf21("1","4","4","5","2","7","6","1") = "6"
    & skf21("1","4","4","5","2","7","7","1") = "6"
    & skf21("1","4","4","5","3","1","1","1") = "4"
    & skf21("1","4","4","5","3","1","2","1") = "4"
    & skf21("1","4","4","5","3","1","3","1") = "4"
    & skf21("1","4","4","5","3","1","4","1") = "4"
    & skf21("1","4","4","5","3","1","5","1") = "4"
    & skf21("1","4","4","5","3","1","6","1") = "5"
    & skf21("1","4","4","5","3","1","7","1") = "6"
    & skf21("1","4","4","5","3","2","1","1") = "4"
    & skf21("1","4","4","5","3","2","2","1") = "4"
    & skf21("1","4","4","5","3","2","3","1") = "4"
    & skf21("1","4","4","5","3","2","4","1") = "4"
    & skf21("1","4","4","5","3","2","5","1") = "4"
    & skf21("1","4","4","5","3","2","6","1") = "5"
    & skf21("1","4","4","5","3","2","7","1") = "6"
    & skf21("1","4","4","5","3","3","1","1") = "4"
    & skf21("1","4","4","5","3","3","2","1") = "4"
    & skf21("1","4","4","5","3","3","3","1") = "4"
    & skf21("1","4","4","5","3","3","4","1") = "4"
    & skf21("1","4","4","5","3","3","5","1") = "4"
    & skf21("1","4","4","5","3","3","6","1") = "5"
    & skf21("1","4","4","5","3","3","7","1") = "6"
    & skf21("1","4","4","5","3","4","1","1") = "4"
    & skf21("1","4","4","5","3","4","2","1") = "4"
    & skf21("1","4","4","5","3","4","3","1") = "4"
    & skf21("1","4","4","5","3","4","4","1") = "4"
    & skf21("1","4","4","5","3","4","5","1") = "4"
    & skf21("1","4","4","5","3","4","6","1") = "5"
    & skf21("1","4","4","5","3","4","7","1") = "6"
    & skf21("1","4","4","5","3","5","1","1") = "4"
    & skf21("1","4","4","5","3","5","2","1") = "4"
    & skf21("1","4","4","5","3","5","3","1") = "4"
    & skf21("1","4","4","5","3","5","4","1") = "4"
    & skf21("1","4","4","5","3","5","5","1") = "4"
    & skf21("1","4","4","5","3","5","6","1") = "5"
    & skf21("1","4","4","5","3","5","7","1") = "6"
    & skf21("1","4","4","5","3","6","1","1") = "5"
    & skf21("1","4","4","5","3","6","2","1") = "5"
    & skf21("1","4","4","5","3","6","3","1") = "5"
    & skf21("1","4","4","5","3","6","4","1") = "5"
    & skf21("1","4","4","5","3","6","5","1") = "5"
    & skf21("1","4","4","5","3","6","6","1") = "5"
    & skf21("1","4","4","5","3","6","7","1") = "6"
    & skf21("1","4","4","5","3","7","1","1") = "6"
    & skf21("1","4","4","5","3","7","2","1") = "6"
    & skf21("1","4","4","5","3","7","3","1") = "6"
    & skf21("1","4","4","5","3","7","4","1") = "6"
    & skf21("1","4","4","5","3","7","5","1") = "6"
    & skf21("1","4","4","5","3","7","6","1") = "6"
    & skf21("1","4","4","5","3","7","7","1") = "6"
    & skf21("1","4","4","5","4","1","1","1") = "4"
    & skf21("1","4","4","5","4","1","2","1") = "4"
    & skf21("1","4","4","5","4","1","3","1") = "4"
    & skf21("1","4","4","5","4","1","4","1") = "4"
    & skf21("1","4","4","5","4","1","5","1") = "4"
    & skf21("1","4","4","5","4","1","6","1") = "5"
    & skf21("1","4","4","5","4","1","7","1") = "6"
    & skf21("1","4","4","5","4","2","1","1") = "4"
    & skf21("1","4","4","5","4","2","2","1") = "4"
    & skf21("1","4","4","5","4","2","3","1") = "4"
    & skf21("1","4","4","5","4","2","4","1") = "4"
    & skf21("1","4","4","5","4","2","5","1") = "4"
    & skf21("1","4","4","5","4","2","6","1") = "5"
    & skf21("1","4","4","5","4","2","7","1") = "6"
    & skf21("1","4","4","5","4","3","1","1") = "4"
    & skf21("1","4","4","5","4","3","2","1") = "4"
    & skf21("1","4","4","5","4","3","3","1") = "4"
    & skf21("1","4","4","5","4","3","4","1") = "4"
    & skf21("1","4","4","5","4","3","5","1") = "4"
    & skf21("1","4","4","5","4","3","6","1") = "5"
    & skf21("1","4","4","5","4","3","7","1") = "6"
    & skf21("1","4","4","5","4","4","1","1") = "4"
    & skf21("1","4","4","5","4","4","2","1") = "4"
    & skf21("1","4","4","5","4","4","3","1") = "4"
    & skf21("1","4","4","5","4","4","4","1") = "4"
    & skf21("1","4","4","5","4","4","5","1") = "4"
    & skf21("1","4","4","5","4","4","6","1") = "5"
    & skf21("1","4","4","5","4","4","7","1") = "6"
    & skf21("1","4","4","5","4","5","1","1") = "4"
    & skf21("1","4","4","5","4","5","2","1") = "4"
    & skf21("1","4","4","5","4","5","3","1") = "4"
    & skf21("1","4","4","5","4","5","4","1") = "4"
    & skf21("1","4","4","5","4","5","5","1") = "4"
    & skf21("1","4","4","5","4","5","6","1") = "5"
    & skf21("1","4","4","5","4","5","7","1") = "6"
    & skf21("1","4","4","5","4","6","1","1") = "5"
    & skf21("1","4","4","5","4","6","2","1") = "5"
    & skf21("1","4","4","5","4","6","3","1") = "5"
    & skf21("1","4","4","5","4","6","4","1") = "5"
    & skf21("1","4","4","5","4","6","5","1") = "5"
    & skf21("1","4","4","5","4","6","6","1") = "5"
    & skf21("1","4","4","5","4","6","7","1") = "6"
    & skf21("1","4","4","5","4","7","1","1") = "6"
    & skf21("1","4","4","5","4","7","2","1") = "6"
    & skf21("1","4","4","5","4","7","3","1") = "6"
    & skf21("1","4","4","5","4","7","4","1") = "6"
    & skf21("1","4","4","5","4","7","5","1") = "6"
    & skf21("1","4","4","5","4","7","6","1") = "6"
    & skf21("1","4","4","5","4","7","7","1") = "6"
    & skf21("1","4","4","5","5","1","1","1") = "4"
    & skf21("1","4","4","5","5","1","2","1") = "4"
    & skf21("1","4","4","5","5","1","3","1") = "4"
    & skf21("1","4","4","5","5","1","4","1") = "4"
    & skf21("1","4","4","5","5","1","5","1") = "4"
    & skf21("1","4","4","5","5","1","6","1") = "5"
    & skf21("1","4","4","5","5","1","7","1") = "6"
    & skf21("1","4","4","5","5","2","1","1") = "4"
    & skf21("1","4","4","5","5","2","2","1") = "4"
    & skf21("1","4","4","5","5","2","3","1") = "4"
    & skf21("1","4","4","5","5","2","4","1") = "4"
    & skf21("1","4","4","5","5","2","5","1") = "4"
    & skf21("1","4","4","5","5","2","6","1") = "5"
    & skf21("1","4","4","5","5","2","7","1") = "6"
    & skf21("1","4","4","5","5","3","1","1") = "4"
    & skf21("1","4","4","5","5","3","2","1") = "4"
    & skf21("1","4","4","5","5","3","3","1") = "4"
    & skf21("1","4","4","5","5","3","4","1") = "4"
    & skf21("1","4","4","5","5","3","5","1") = "4"
    & skf21("1","4","4","5","5","3","6","1") = "5"
    & skf21("1","4","4","5","5","3","7","1") = "6"
    & skf21("1","4","4","5","5","4","1","1") = "4"
    & skf21("1","4","4","5","5","4","2","1") = "4"
    & skf21("1","4","4","5","5","4","3","1") = "4"
    & skf21("1","4","4","5","5","4","4","1") = "4"
    & skf21("1","4","4","5","5","4","5","1") = "4"
    & skf21("1","4","4","5","5","4","6","1") = "5"
    & skf21("1","4","4","5","5","4","7","1") = "6"
    & skf21("1","4","4","5","5","5","1","1") = "4"
    & skf21("1","4","4","5","5","5","2","1") = "4"
    & skf21("1","4","4","5","5","5","3","1") = "4"
    & skf21("1","4","4","5","5","5","4","1") = "4"
    & skf21("1","4","4","5","5","5","5","1") = "4"
    & skf21("1","4","4","5","5","5","6","1") = "5"
    & skf21("1","4","4","5","5","5","7","1") = "6"
    & skf21("1","4","4","5","5","6","1","1") = "5"
    & skf21("1","4","4","5","5","6","2","1") = "5"
    & skf21("1","4","4","5","5","6","3","1") = "5"
    & skf21("1","4","4","5","5","6","4","1") = "5"
    & skf21("1","4","4","5","5","6","5","1") = "5"
    & skf21("1","4","4","5","5","6","6","1") = "5"
    & skf21("1","4","4","5","5","6","7","1") = "6"
    & skf21("1","4","4","5","5","7","1","1") = "6"
    & skf21("1","4","4","5","5","7","2","1") = "6"
    & skf21("1","4","4","5","5","7","3","1") = "6"
    & skf21("1","4","4","5","5","7","4","1") = "6"
    & skf21("1","4","4","5","5","7","5","1") = "6"
    & skf21("1","4","4","5","5","7","6","1") = "6"
    & skf21("1","4","4","5","5","7","7","1") = "6"
    & skf21("1","4","4","5","6","1","1","1") = "5"
    & skf21("1","4","4","5","6","1","2","1") = "5"
    & skf21("1","4","4","5","6","1","3","1") = "5"
    & skf21("1","4","4","5","6","1","4","1") = "5"
    & skf21("1","4","4","5","6","1","5","1") = "5"
    & skf21("1","4","4","5","6","1","6","1") = "5"
    & skf21("1","4","4","5","6","1","7","1") = "6"
    & skf21("1","4","4","5","6","2","1","1") = "5"
    & skf21("1","4","4","5","6","2","2","1") = "5"
    & skf21("1","4","4","5","6","2","3","1") = "5"
    & skf21("1","4","4","5","6","2","4","1") = "5"
    & skf21("1","4","4","5","6","2","5","1") = "5"
    & skf21("1","4","4","5","6","2","6","1") = "5"
    & skf21("1","4","4","5","6","2","7","1") = "6"
    & skf21("1","4","4","5","6","3","1","1") = "5"
    & skf21("1","4","4","5","6","3","2","1") = "5"
    & skf21("1","4","4","5","6","3","3","1") = "5"
    & skf21("1","4","4","5","6","3","4","1") = "5"
    & skf21("1","4","4","5","6","3","5","1") = "5"
    & skf21("1","4","4","5","6","3","6","1") = "5"
    & skf21("1","4","4","5","6","3","7","1") = "6"
    & skf21("1","4","4","5","6","4","1","1") = "5"
    & skf21("1","4","4","5","6","4","2","1") = "5"
    & skf21("1","4","4","5","6","4","3","1") = "5"
    & skf21("1","4","4","5","6","4","4","1") = "5"
    & skf21("1","4","4","5","6","4","5","1") = "5"
    & skf21("1","4","4","5","6","4","6","1") = "5"
    & skf21("1","4","4","5","6","4","7","1") = "6"
    & skf21("1","4","4","5","6","5","1","1") = "5"
    & skf21("1","4","4","5","6","5","2","1") = "5"
    & skf21("1","4","4","5","6","5","3","1") = "5"
    & skf21("1","4","4","5","6","5","4","1") = "5"
    & skf21("1","4","4","5","6","5","5","1") = "5"
    & skf21("1","4","4","5","6","5","6","1") = "5"
    & skf21("1","4","4","5","6","5","7","1") = "6"
    & skf21("1","4","4","5","6","6","1","1") = "5"
    & skf21("1","4","4","5","6","6","2","1") = "5"
    & skf21("1","4","4","5","6","6","3","1") = "5"
    & skf21("1","4","4","5","6","6","4","1") = "5"
    & skf21("1","4","4","5","6","6","5","1") = "5"
    & skf21("1","4","4","5","6","6","6","1") = "5"
    & skf21("1","4","4","5","6","6","7","1") = "6"
    & skf21("1","4","4","5","6","7","1","1") = "6"
    & skf21("1","4","4","5","6","7","2","1") = "6"
    & skf21("1","4","4","5","6","7","3","1") = "6"
    & skf21("1","4","4","5","6","7","4","1") = "6"
    & skf21("1","4","4","5","6","7","5","1") = "6"
    & skf21("1","4","4","5","6","7","6","1") = "6"
    & skf21("1","4","4","5","6","7","7","1") = "6"
    & skf21("1","4","4","5","7","1","1","1") = "6"
    & skf21("1","4","4","5","7","1","2","1") = "6"
    & skf21("1","4","4","5","7","1","3","1") = "6"
    & skf21("1","4","4","5","7","1","4","1") = "6"
    & skf21("1","4","4","5","7","1","5","1") = "6"
    & skf21("1","4","4","5","7","1","6","1") = "6"
    & skf21("1","4","4","5","7","1","7","1") = "6"
    & skf21("1","4","4","5","7","2","1","1") = "6"
    & skf21("1","4","4","5","7","2","2","1") = "6"
    & skf21("1","4","4","5","7","2","3","1") = "6"
    & skf21("1","4","4","5","7","2","4","1") = "6"
    & skf21("1","4","4","5","7","2","5","1") = "6"
    & skf21("1","4","4","5","7","2","6","1") = "6"
    & skf21("1","4","4","5","7","2","7","1") = "6"
    & skf21("1","4","4","5","7","3","1","1") = "6"
    & skf21("1","4","4","5","7","3","2","1") = "6"
    & skf21("1","4","4","5","7","3","3","1") = "6"
    & skf21("1","4","4","5","7","3","4","1") = "6"
    & skf21("1","4","4","5","7","3","5","1") = "6"
    & skf21("1","4","4","5","7","3","6","1") = "6"
    & skf21("1","4","4","5","7","3","7","1") = "6"
    & skf21("1","4","4","5","7","4","1","1") = "6"
    & skf21("1","4","4","5","7","4","2","1") = "6"
    & skf21("1","4","4","5","7","4","3","1") = "6"
    & skf21("1","4","4","5","7","4","4","1") = "6"
    & skf21("1","4","4","5","7","4","5","1") = "6"
    & skf21("1","4","4","5","7","4","6","1") = "6"
    & skf21("1","4","4","5","7","4","7","1") = "6"
    & skf21("1","4","4","5","7","5","1","1") = "6"
    & skf21("1","4","4","5","7","5","2","1") = "6"
    & skf21("1","4","4","5","7","5","3","1") = "6"
    & skf21("1","4","4","5","7","5","4","1") = "6"
    & skf21("1","4","4","5","7","5","5","1") = "6"
    & skf21("1","4","4","5","7","5","6","1") = "6"
    & skf21("1","4","4","5","7","5","7","1") = "6"
    & skf21("1","4","4","5","7","6","1","1") = "6"
    & skf21("1","4","4","5","7","6","2","1") = "6"
    & skf21("1","4","4","5","7","6","3","1") = "6"
    & skf21("1","4","4","5","7","6","4","1") = "6"
    & skf21("1","4","4","5","7","6","5","1") = "6"
    & skf21("1","4","4","5","7","6","6","1") = "6"
    & skf21("1","4","4","5","7","6","7","1") = "6"
    & skf21("1","4","4","5","7","7","1","1") = "6"
    & skf21("1","4","4","5","7","7","2","1") = "6"
    & skf21("1","4","4","5","7","7","3","1") = "6"
    & skf21("1","4","4","5","7","7","4","1") = "6"
    & skf21("1","4","4","5","7","7","5","1") = "6"
    & skf21("1","4","4","5","7","7","6","1") = "6"
    & skf21("1","4","4","5","7","7","7","1") = "6"
    & skf21("1","4","4","6","1","1","1","1") = "5"
    & skf21("1","4","4","6","1","1","2","1") = "5"
    & skf21("1","4","4","6","1","1","3","1") = "5"
    & skf21("1","4","4","6","1","1","4","1") = "5"
    & skf21("1","4","4","6","1","1","5","1") = "5"
    & skf21("1","4","4","6","1","1","6","1") = "5"
    & skf21("1","4","4","6","1","1","7","1") = "6"
    & skf21("1","4","4","6","1","2","1","1") = "5"
    & skf21("1","4","4","6","1","2","2","1") = "5"
    & skf21("1","4","4","6","1","2","3","1") = "5"
    & skf21("1","4","4","6","1","2","4","1") = "5"
    & skf21("1","4","4","6","1","2","5","1") = "5"
    & skf21("1","4","4","6","1","2","6","1") = "5"
    & skf21("1","4","4","6","1","2","7","1") = "6"
    & skf21("1","4","4","6","1","3","1","1") = "5"
    & skf21("1","4","4","6","1","3","2","1") = "5"
    & skf21("1","4","4","6","1","3","3","1") = "5"
    & skf21("1","4","4","6","1","3","4","1") = "5"
    & skf21("1","4","4","6","1","3","5","1") = "5"
    & skf21("1","4","4","6","1","3","6","1") = "5"
    & skf21("1","4","4","6","1","3","7","1") = "6"
    & skf21("1","4","4","6","1","4","1","1") = "5"
    & skf21("1","4","4","6","1","4","2","1") = "5"
    & skf21("1","4","4","6","1","4","3","1") = "5"
    & skf21("1","4","4","6","1","4","4","1") = "5"
    & skf21("1","4","4","6","1","4","5","1") = "5"
    & skf21("1","4","4","6","1","4","6","1") = "5"
    & skf21("1","4","4","6","1","4","7","1") = "6"
    & skf21("1","4","4","6","1","5","1","1") = "5"
    & skf21("1","4","4","6","1","5","2","1") = "5"
    & skf21("1","4","4","6","1","5","3","1") = "5"
    & skf21("1","4","4","6","1","5","4","1") = "5"
    & skf21("1","4","4","6","1","5","5","1") = "5"
    & skf21("1","4","4","6","1","5","6","1") = "5"
    & skf21("1","4","4","6","1","5","7","1") = "6"
    & skf21("1","4","4","6","1","6","1","1") = "5"
    & skf21("1","4","4","6","1","6","2","1") = "5"
    & skf21("1","4","4","6","1","6","3","1") = "5"
    & skf21("1","4","4","6","1","6","4","1") = "5"
    & skf21("1","4","4","6","1","6","5","1") = "5"
    & skf21("1","4","4","6","1","6","6","1") = "5"
    & skf21("1","4","4","6","1","6","7","1") = "6"
    & skf21("1","4","4","6","1","7","1","1") = "6"
    & skf21("1","4","4","6","1","7","2","1") = "6"
    & skf21("1","4","4","6","1","7","3","1") = "6"
    & skf21("1","4","4","6","1","7","4","1") = "6"
    & skf21("1","4","4","6","1","7","5","1") = "6"
    & skf21("1","4","4","6","1","7","6","1") = "6"
    & skf21("1","4","4","6","1","7","7","1") = "6"
    & skf21("1","4","4","6","2","1","1","1") = "5"
    & skf21("1","4","4","6","2","1","2","1") = "5"
    & skf21("1","4","4","6","2","1","3","1") = "5"
    & skf21("1","4","4","6","2","1","4","1") = "5"
    & skf21("1","4","4","6","2","1","5","1") = "5"
    & skf21("1","4","4","6","2","1","6","1") = "5"
    & skf21("1","4","4","6","2","1","7","1") = "6"
    & skf21("1","4","4","6","2","2","1","1") = "5"
    & skf21("1","4","4","6","2","2","2","1") = "5"
    & skf21("1","4","4","6","2","2","3","1") = "5"
    & skf21("1","4","4","6","2","2","4","1") = "5"
    & skf21("1","4","4","6","2","2","5","1") = "5"
    & skf21("1","4","4","6","2","2","6","1") = "5"
    & skf21("1","4","4","6","2","2","7","1") = "6"
    & skf21("1","4","4","6","2","3","1","1") = "5"
    & skf21("1","4","4","6","2","3","2","1") = "5"
    & skf21("1","4","4","6","2","3","3","1") = "5"
    & skf21("1","4","4","6","2","3","4","1") = "5"
    & skf21("1","4","4","6","2","3","5","1") = "5"
    & skf21("1","4","4","6","2","3","6","1") = "5"
    & skf21("1","4","4","6","2","3","7","1") = "6"
    & skf21("1","4","4","6","2","4","1","1") = "5"
    & skf21("1","4","4","6","2","4","2","1") = "5"
    & skf21("1","4","4","6","2","4","3","1") = "5"
    & skf21("1","4","4","6","2","4","4","1") = "5"
    & skf21("1","4","4","6","2","4","5","1") = "5"
    & skf21("1","4","4","6","2","4","6","1") = "5"
    & skf21("1","4","4","6","2","4","7","1") = "6"
    & skf21("1","4","4","6","2","5","1","1") = "5"
    & skf21("1","4","4","6","2","5","2","1") = "5"
    & skf21("1","4","4","6","2","5","3","1") = "5"
    & skf21("1","4","4","6","2","5","4","1") = "5"
    & skf21("1","4","4","6","2","5","5","1") = "5"
    & skf21("1","4","4","6","2","5","6","1") = "5"
    & skf21("1","4","4","6","2","5","7","1") = "6"
    & skf21("1","4","4","6","2","6","1","1") = "5"
    & skf21("1","4","4","6","2","6","2","1") = "5"
    & skf21("1","4","4","6","2","6","3","1") = "5"
    & skf21("1","4","4","6","2","6","4","1") = "5"
    & skf21("1","4","4","6","2","6","5","1") = "5"
    & skf21("1","4","4","6","2","6","6","1") = "5"
    & skf21("1","4","4","6","2","6","7","1") = "6"
    & skf21("1","4","4","6","2","7","1","1") = "6"
    & skf21("1","4","4","6","2","7","2","1") = "6"
    & skf21("1","4","4","6","2","7","3","1") = "6"
    & skf21("1","4","4","6","2","7","4","1") = "6"
    & skf21("1","4","4","6","2","7","5","1") = "6"
    & skf21("1","4","4","6","2","7","6","1") = "6"
    & skf21("1","4","4","6","2","7","7","1") = "6"
    & skf21("1","4","4","6","3","1","1","1") = "5"
    & skf21("1","4","4","6","3","1","2","1") = "5"
    & skf21("1","4","4","6","3","1","3","1") = "5"
    & skf21("1","4","4","6","3","1","4","1") = "5"
    & skf21("1","4","4","6","3","1","5","1") = "5"
    & skf21("1","4","4","6","3","1","6","1") = "5"
    & skf21("1","4","4","6","3","1","7","1") = "6"
    & skf21("1","4","4","6","3","2","1","1") = "5"
    & skf21("1","4","4","6","3","2","2","1") = "5"
    & skf21("1","4","4","6","3","2","3","1") = "5"
    & skf21("1","4","4","6","3","2","4","1") = "5"
    & skf21("1","4","4","6","3","2","5","1") = "5"
    & skf21("1","4","4","6","3","2","6","1") = "5"
    & skf21("1","4","4","6","3","2","7","1") = "6"
    & skf21("1","4","4","6","3","3","1","1") = "5"
    & skf21("1","4","4","6","3","3","2","1") = "5"
    & skf21("1","4","4","6","3","3","3","1") = "5"
    & skf21("1","4","4","6","3","3","4","1") = "5"
    & skf21("1","4","4","6","3","3","5","1") = "5"
    & skf21("1","4","4","6","3","3","6","1") = "5"
    & skf21("1","4","4","6","3","3","7","1") = "6"
    & skf21("1","4","4","6","3","4","1","1") = "5"
    & skf21("1","4","4","6","3","4","2","1") = "5"
    & skf21("1","4","4","6","3","4","3","1") = "5"
    & skf21("1","4","4","6","3","4","4","1") = "5"
    & skf21("1","4","4","6","3","4","5","1") = "5"
    & skf21("1","4","4","6","3","4","6","1") = "5"
    & skf21("1","4","4","6","3","4","7","1") = "6"
    & skf21("1","4","4","6","3","5","1","1") = "5"
    & skf21("1","4","4","6","3","5","2","1") = "5"
    & skf21("1","4","4","6","3","5","3","1") = "5"
    & skf21("1","4","4","6","3","5","4","1") = "5"
    & skf21("1","4","4","6","3","5","5","1") = "5"
    & skf21("1","4","4","6","3","5","6","1") = "5"
    & skf21("1","4","4","6","3","5","7","1") = "6"
    & skf21("1","4","4","6","3","6","1","1") = "5"
    & skf21("1","4","4","6","3","6","2","1") = "5"
    & skf21("1","4","4","6","3","6","3","1") = "5"
    & skf21("1","4","4","6","3","6","4","1") = "5"
    & skf21("1","4","4","6","3","6","5","1") = "5"
    & skf21("1","4","4","6","3","6","6","1") = "5"
    & skf21("1","4","4","6","3","6","7","1") = "6"
    & skf21("1","4","4","6","3","7","1","1") = "6"
    & skf21("1","4","4","6","3","7","2","1") = "6"
    & skf21("1","4","4","6","3","7","3","1") = "6"
    & skf21("1","4","4","6","3","7","4","1") = "6"
    & skf21("1","4","4","6","3","7","5","1") = "6"
    & skf21("1","4","4","6","3","7","6","1") = "6"
    & skf21("1","4","4","6","3","7","7","1") = "6"
    & skf21("1","4","4","6","4","1","1","1") = "5"
    & skf21("1","4","4","6","4","1","2","1") = "5"
    & skf21("1","4","4","6","4","1","3","1") = "5"
    & skf21("1","4","4","6","4","1","4","1") = "5"
    & skf21("1","4","4","6","4","1","5","1") = "5"
    & skf21("1","4","4","6","4","1","6","1") = "5"
    & skf21("1","4","4","6","4","1","7","1") = "6"
    & skf21("1","4","4","6","4","2","1","1") = "5"
    & skf21("1","4","4","6","4","2","2","1") = "5"
    & skf21("1","4","4","6","4","2","3","1") = "5"
    & skf21("1","4","4","6","4","2","4","1") = "5"
    & skf21("1","4","4","6","4","2","5","1") = "5"
    & skf21("1","4","4","6","4","2","6","1") = "5"
    & skf21("1","4","4","6","4","2","7","1") = "6"
    & skf21("1","4","4","6","4","3","1","1") = "5"
    & skf21("1","4","4","6","4","3","2","1") = "5"
    & skf21("1","4","4","6","4","3","3","1") = "5"
    & skf21("1","4","4","6","4","3","4","1") = "5"
    & skf21("1","4","4","6","4","3","5","1") = "5"
    & skf21("1","4","4","6","4","3","6","1") = "5"
    & skf21("1","4","4","6","4","3","7","1") = "6"
    & skf21("1","4","4","6","4","4","1","1") = "5"
    & skf21("1","4","4","6","4","4","2","1") = "5"
    & skf21("1","4","4","6","4","4","3","1") = "5"
    & skf21("1","4","4","6","4","4","4","1") = "5"
    & skf21("1","4","4","6","4","4","5","1") = "5"
    & skf21("1","4","4","6","4","4","6","1") = "5"
    & skf21("1","4","4","6","4","4","7","1") = "6"
    & skf21("1","4","4","6","4","5","1","1") = "5"
    & skf21("1","4","4","6","4","5","2","1") = "5"
    & skf21("1","4","4","6","4","5","3","1") = "5"
    & skf21("1","4","4","6","4","5","4","1") = "5"
    & skf21("1","4","4","6","4","5","5","1") = "5"
    & skf21("1","4","4","6","4","5","6","1") = "5"
    & skf21("1","4","4","6","4","5","7","1") = "6"
    & skf21("1","4","4","6","4","6","1","1") = "5"
    & skf21("1","4","4","6","4","6","2","1") = "5"
    & skf21("1","4","4","6","4","6","3","1") = "5"
    & skf21("1","4","4","6","4","6","4","1") = "5"
    & skf21("1","4","4","6","4","6","5","1") = "5"
    & skf21("1","4","4","6","4","6","6","1") = "5"
    & skf21("1","4","4","6","4","6","7","1") = "6"
    & skf21("1","4","4","6","4","7","1","1") = "6"
    & skf21("1","4","4","6","4","7","2","1") = "6"
    & skf21("1","4","4","6","4","7","3","1") = "6"
    & skf21("1","4","4","6","4","7","4","1") = "6"
    & skf21("1","4","4","6","4","7","5","1") = "6"
    & skf21("1","4","4","6","4","7","6","1") = "6"
    & skf21("1","4","4","6","4","7","7","1") = "6"
    & skf21("1","4","4","6","5","1","1","1") = "5"
    & skf21("1","4","4","6","5","1","2","1") = "5"
    & skf21("1","4","4","6","5","1","3","1") = "5"
    & skf21("1","4","4","6","5","1","4","1") = "5"
    & skf21("1","4","4","6","5","1","5","1") = "5"
    & skf21("1","4","4","6","5","1","6","1") = "5"
    & skf21("1","4","4","6","5","1","7","1") = "6"
    & skf21("1","4","4","6","5","2","1","1") = "5"
    & skf21("1","4","4","6","5","2","2","1") = "5"
    & skf21("1","4","4","6","5","2","3","1") = "5"
    & skf21("1","4","4","6","5","2","4","1") = "5"
    & skf21("1","4","4","6","5","2","5","1") = "5"
    & skf21("1","4","4","6","5","2","6","1") = "5"
    & skf21("1","4","4","6","5","2","7","1") = "6"
    & skf21("1","4","4","6","5","3","1","1") = "5"
    & skf21("1","4","4","6","5","3","2","1") = "5"
    & skf21("1","4","4","6","5","3","3","1") = "5"
    & skf21("1","4","4","6","5","3","4","1") = "5"
    & skf21("1","4","4","6","5","3","5","1") = "5"
    & skf21("1","4","4","6","5","3","6","1") = "5"
    & skf21("1","4","4","6","5","3","7","1") = "6"
    & skf21("1","4","4","6","5","4","1","1") = "5"
    & skf21("1","4","4","6","5","4","2","1") = "5"
    & skf21("1","4","4","6","5","4","3","1") = "5"
    & skf21("1","4","4","6","5","4","4","1") = "5"
    & skf21("1","4","4","6","5","4","5","1") = "5"
    & skf21("1","4","4","6","5","4","6","1") = "5"
    & skf21("1","4","4","6","5","4","7","1") = "6"
    & skf21("1","4","4","6","5","5","1","1") = "5"
    & skf21("1","4","4","6","5","5","2","1") = "5"
    & skf21("1","4","4","6","5","5","3","1") = "5"
    & skf21("1","4","4","6","5","5","4","1") = "5"
    & skf21("1","4","4","6","5","5","5","1") = "5"
    & skf21("1","4","4","6","5","5","6","1") = "5"
    & skf21("1","4","4","6","5","5","7","1") = "6"
    & skf21("1","4","4","6","5","6","1","1") = "5"
    & skf21("1","4","4","6","5","6","2","1") = "5"
    & skf21("1","4","4","6","5","6","3","1") = "5"
    & skf21("1","4","4","6","5","6","4","1") = "5"
    & skf21("1","4","4","6","5","6","5","1") = "5"
    & skf21("1","4","4","6","5","6","6","1") = "5"
    & skf21("1","4","4","6","5","6","7","1") = "6"
    & skf21("1","4","4","6","5","7","1","1") = "6"
    & skf21("1","4","4","6","5","7","2","1") = "6"
    & skf21("1","4","4","6","5","7","3","1") = "6"
    & skf21("1","4","4","6","5","7","4","1") = "6"
    & skf21("1","4","4","6","5","7","5","1") = "6"
    & skf21("1","4","4","6","5","7","6","1") = "6"
    & skf21("1","4","4","6","5","7","7","1") = "6"
    & skf21("1","4","4","6","6","1","1","1") = "5"
    & skf21("1","4","4","6","6","1","2","1") = "5"
    & skf21("1","4","4","6","6","1","3","1") = "5"
    & skf21("1","4","4","6","6","1","4","1") = "5"
    & skf21("1","4","4","6","6","1","5","1") = "5"
    & skf21("1","4","4","6","6","1","6","1") = "5"
    & skf21("1","4","4","6","6","1","7","1") = "6"
    & skf21("1","4","4","6","6","2","1","1") = "5"
    & skf21("1","4","4","6","6","2","2","1") = "5"
    & skf21("1","4","4","6","6","2","3","1") = "5"
    & skf21("1","4","4","6","6","2","4","1") = "5"
    & skf21("1","4","4","6","6","2","5","1") = "5"
    & skf21("1","4","4","6","6","2","6","1") = "5"
    & skf21("1","4","4","6","6","2","7","1") = "6"
    & skf21("1","4","4","6","6","3","1","1") = "5"
    & skf21("1","4","4","6","6","3","2","1") = "5"
    & skf21("1","4","4","6","6","3","3","1") = "5"
    & skf21("1","4","4","6","6","3","4","1") = "5"
    & skf21("1","4","4","6","6","3","5","1") = "5"
    & skf21("1","4","4","6","6","3","6","1") = "5"
    & skf21("1","4","4","6","6","3","7","1") = "6"
    & skf21("1","4","4","6","6","4","1","1") = "5"
    & skf21("1","4","4","6","6","4","2","1") = "5"
    & skf21("1","4","4","6","6","4","3","1") = "5"
    & skf21("1","4","4","6","6","4","4","1") = "5"
    & skf21("1","4","4","6","6","4","5","1") = "5"
    & skf21("1","4","4","6","6","4","6","1") = "5"
    & skf21("1","4","4","6","6","4","7","1") = "6"
    & skf21("1","4","4","6","6","5","1","1") = "5"
    & skf21("1","4","4","6","6","5","2","1") = "5"
    & skf21("1","4","4","6","6","5","3","1") = "5"
    & skf21("1","4","4","6","6","5","4","1") = "5"
    & skf21("1","4","4","6","6","5","5","1") = "5"
    & skf21("1","4","4","6","6","5","6","1") = "5"
    & skf21("1","4","4","6","6","5","7","1") = "6"
    & skf21("1","4","4","6","6","6","1","1") = "5"
    & skf21("1","4","4","6","6","6","2","1") = "5"
    & skf21("1","4","4","6","6","6","3","1") = "5"
    & skf21("1","4","4","6","6","6","4","1") = "5"
    & skf21("1","4","4","6","6","6","5","1") = "5"
    & skf21("1","4","4","6","6","6","6","1") = "5"
    & skf21("1","4","4","6","6","6","7","1") = "6"
    & skf21("1","4","4","6","6","7","1","1") = "6"
    & skf21("1","4","4","6","6","7","2","1") = "6"
    & skf21("1","4","4","6","6","7","3","1") = "6"
    & skf21("1","4","4","6","6","7","4","1") = "6"
    & skf21("1","4","4","6","6","7","5","1") = "6"
    & skf21("1","4","4","6","6","7","6","1") = "6"
    & skf21("1","4","4","6","6","7","7","1") = "6"
    & skf21("1","4","4","6","7","1","1","1") = "6"
    & skf21("1","4","4","6","7","1","2","1") = "6"
    & skf21("1","4","4","6","7","1","3","1") = "6"
    & skf21("1","4","4","6","7","1","4","1") = "6"
    & skf21("1","4","4","6","7","1","5","1") = "6"
    & skf21("1","4","4","6","7","1","6","1") = "6"
    & skf21("1","4","4","6","7","1","7","1") = "6"
    & skf21("1","4","4","6","7","2","1","1") = "6"
    & skf21("1","4","4","6","7","2","2","1") = "6"
    & skf21("1","4","4","6","7","2","3","1") = "6"
    & skf21("1","4","4","6","7","2","4","1") = "6"
    & skf21("1","4","4","6","7","2","5","1") = "6"
    & skf21("1","4","4","6","7","2","6","1") = "6"
    & skf21("1","4","4","6","7","2","7","1") = "6"
    & skf21("1","4","4","6","7","3","1","1") = "6"
    & skf21("1","4","4","6","7","3","2","1") = "6"
    & skf21("1","4","4","6","7","3","3","1") = "6"
    & skf21("1","4","4","6","7","3","4","1") = "6"
    & skf21("1","4","4","6","7","3","5","1") = "6"
    & skf21("1","4","4","6","7","3","6","1") = "6"
    & skf21("1","4","4","6","7","3","7","1") = "6"
    & skf21("1","4","4","6","7","4","1","1") = "6"
    & skf21("1","4","4","6","7","4","2","1") = "6"
    & skf21("1","4","4","6","7","4","3","1") = "6"
    & skf21("1","4","4","6","7","4","4","1") = "6"
    & skf21("1","4","4","6","7","4","5","1") = "6"
    & skf21("1","4","4","6","7","4","6","1") = "6"
    & skf21("1","4","4","6","7","4","7","1") = "6"
    & skf21("1","4","4","6","7","5","1","1") = "6"
    & skf21("1","4","4","6","7","5","2","1") = "6"
    & skf21("1","4","4","6","7","5","3","1") = "6"
    & skf21("1","4","4","6","7","5","4","1") = "6"
    & skf21("1","4","4","6","7","5","5","1") = "6"
    & skf21("1","4","4","6","7","5","6","1") = "6"
    & skf21("1","4","4","6","7","5","7","1") = "6"
    & skf21("1","4","4","6","7","6","1","1") = "6"
    & skf21("1","4","4","6","7","6","2","1") = "6"
    & skf21("1","4","4","6","7","6","3","1") = "6"
    & skf21("1","4","4","6","7","6","4","1") = "6"
    & skf21("1","4","4","6","7","6","5","1") = "6"
    & skf21("1","4","4","6","7","6","6","1") = "6"
    & skf21("1","4","4","6","7","6","7","1") = "6"
    & skf21("1","4","4","6","7","7","1","1") = "6"
    & skf21("1","4","4","6","7","7","2","1") = "6"
    & skf21("1","4","4","6","7","7","3","1") = "6"
    & skf21("1","4","4","6","7","7","4","1") = "6"
    & skf21("1","4","4","6","7","7","5","1") = "6"
    & skf21("1","4","4","6","7","7","6","1") = "6"
    & skf21("1","4","4","6","7","7","7","1") = "6"
    & skf21("1","4","4","7","1","1","1","1") = "6"
    & skf21("1","4","4","7","1","1","2","1") = "6"
    & skf21("1","4","4","7","1","1","3","1") = "6"
    & skf21("1","4","4","7","1","1","4","1") = "6"
    & skf21("1","4","4","7","1","1","5","1") = "6"
    & skf21("1","4","4","7","1","1","6","1") = "6"
    & skf21("1","4","4","7","1","1","7","1") = "6"
    & skf21("1","4","4","7","1","2","1","1") = "6"
    & skf21("1","4","4","7","1","2","2","1") = "6"
    & skf21("1","4","4","7","1","2","3","1") = "6"
    & skf21("1","4","4","7","1","2","4","1") = "6"
    & skf21("1","4","4","7","1","2","5","1") = "6"
    & skf21("1","4","4","7","1","2","6","1") = "6"
    & skf21("1","4","4","7","1","2","7","1") = "6"
    & skf21("1","4","4","7","1","3","1","1") = "6"
    & skf21("1","4","4","7","1","3","2","1") = "6"
    & skf21("1","4","4","7","1","3","3","1") = "6"
    & skf21("1","4","4","7","1","3","4","1") = "6"
    & skf21("1","4","4","7","1","3","5","1") = "6"
    & skf21("1","4","4","7","1","3","6","1") = "6"
    & skf21("1","4","4","7","1","3","7","1") = "6"
    & skf21("1","4","4","7","1","4","1","1") = "6"
    & skf21("1","4","4","7","1","4","2","1") = "6"
    & skf21("1","4","4","7","1","4","3","1") = "6"
    & skf21("1","4","4","7","1","4","4","1") = "6"
    & skf21("1","4","4","7","1","4","5","1") = "6"
    & skf21("1","4","4","7","1","4","6","1") = "6"
    & skf21("1","4","4","7","1","4","7","1") = "6"
    & skf21("1","4","4","7","1","5","1","1") = "6"
    & skf21("1","4","4","7","1","5","2","1") = "6"
    & skf21("1","4","4","7","1","5","3","1") = "6"
    & skf21("1","4","4","7","1","5","4","1") = "6"
    & skf21("1","4","4","7","1","5","5","1") = "6"
    & skf21("1","4","4","7","1","5","6","1") = "6"
    & skf21("1","4","4","7","1","5","7","1") = "6"
    & skf21("1","4","4","7","1","6","1","1") = "6"
    & skf21("1","4","4","7","1","6","2","1") = "6"
    & skf21("1","4","4","7","1","6","3","1") = "6"
    & skf21("1","4","4","7","1","6","4","1") = "6"
    & skf21("1","4","4","7","1","6","5","1") = "6"
    & skf21("1","4","4","7","1","6","6","1") = "6"
    & skf21("1","4","4","7","1","6","7","1") = "6"
    & skf21("1","4","4","7","1","7","1","1") = "6"
    & skf21("1","4","4","7","1","7","2","1") = "6"
    & skf21("1","4","4","7","1","7","3","1") = "6"
    & skf21("1","4","4","7","1","7","4","1") = "6"
    & skf21("1","4","4","7","1","7","5","1") = "6"
    & skf21("1","4","4","7","1","7","6","1") = "6"
    & skf21("1","4","4","7","1","7","7","1") = "6"
    & skf21("1","4","4","7","2","1","1","1") = "6"
    & skf21("1","4","4","7","2","1","2","1") = "6"
    & skf21("1","4","4","7","2","1","3","1") = "6"
    & skf21("1","4","4","7","2","1","4","1") = "6"
    & skf21("1","4","4","7","2","1","5","1") = "6"
    & skf21("1","4","4","7","2","1","6","1") = "6"
    & skf21("1","4","4","7","2","1","7","1") = "6"
    & skf21("1","4","4","7","2","2","1","1") = "6"
    & skf21("1","4","4","7","2","2","2","1") = "6"
    & skf21("1","4","4","7","2","2","3","1") = "6"
    & skf21("1","4","4","7","2","2","4","1") = "6"
    & skf21("1","4","4","7","2","2","5","1") = "6"
    & skf21("1","4","4","7","2","2","6","1") = "6"
    & skf21("1","4","4","7","2","2","7","1") = "6"
    & skf21("1","4","4","7","2","3","1","1") = "6"
    & skf21("1","4","4","7","2","3","2","1") = "6"
    & skf21("1","4","4","7","2","3","3","1") = "6"
    & skf21("1","4","4","7","2","3","4","1") = "6"
    & skf21("1","4","4","7","2","3","5","1") = "6"
    & skf21("1","4","4","7","2","3","6","1") = "6"
    & skf21("1","4","4","7","2","3","7","1") = "6"
    & skf21("1","4","4","7","2","4","1","1") = "6"
    & skf21("1","4","4","7","2","4","2","1") = "6"
    & skf21("1","4","4","7","2","4","3","1") = "6"
    & skf21("1","4","4","7","2","4","4","1") = "6"
    & skf21("1","4","4","7","2","4","5","1") = "6"
    & skf21("1","4","4","7","2","4","6","1") = "6"
    & skf21("1","4","4","7","2","4","7","1") = "6"
    & skf21("1","4","4","7","2","5","1","1") = "6"
    & skf21("1","4","4","7","2","5","2","1") = "6"
    & skf21("1","4","4","7","2","5","3","1") = "6"
    & skf21("1","4","4","7","2","5","4","1") = "6"
    & skf21("1","4","4","7","2","5","5","1") = "6"
    & skf21("1","4","4","7","2","5","6","1") = "6"
    & skf21("1","4","4","7","2","5","7","1") = "6"
    & skf21("1","4","4","7","2","6","1","1") = "6"
    & skf21("1","4","4","7","2","6","2","1") = "6"
    & skf21("1","4","4","7","2","6","3","1") = "6"
    & skf21("1","4","4","7","2","6","4","1") = "6"
    & skf21("1","4","4","7","2","6","5","1") = "6"
    & skf21("1","4","4","7","2","6","6","1") = "6"
    & skf21("1","4","4","7","2","6","7","1") = "6"
    & skf21("1","4","4","7","2","7","1","1") = "6"
    & skf21("1","4","4","7","2","7","2","1") = "6"
    & skf21("1","4","4","7","2","7","3","1") = "6"
    & skf21("1","4","4","7","2","7","4","1") = "6"
    & skf21("1","4","4","7","2","7","5","1") = "6"
    & skf21("1","4","4","7","2","7","6","1") = "6"
    & skf21("1","4","4","7","2","7","7","1") = "6"
    & skf21("1","4","4","7","3","1","1","1") = "6"
    & skf21("1","4","4","7","3","1","2","1") = "6"
    & skf21("1","4","4","7","3","1","3","1") = "6"
    & skf21("1","4","4","7","3","1","4","1") = "6"
    & skf21("1","4","4","7","3","1","5","1") = "6"
    & skf21("1","4","4","7","3","1","6","1") = "6"
    & skf21("1","4","4","7","3","1","7","1") = "6"
    & skf21("1","4","4","7","3","2","1","1") = "6"
    & skf21("1","4","4","7","3","2","2","1") = "6"
    & skf21("1","4","4","7","3","2","3","1") = "6"
    & skf21("1","4","4","7","3","2","4","1") = "6"
    & skf21("1","4","4","7","3","2","5","1") = "6"
    & skf21("1","4","4","7","3","2","6","1") = "6"
    & skf21("1","4","4","7","3","2","7","1") = "6"
    & skf21("1","4","4","7","3","3","1","1") = "6"
    & skf21("1","4","4","7","3","3","2","1") = "6"
    & skf21("1","4","4","7","3","3","3","1") = "6"
    & skf21("1","4","4","7","3","3","4","1") = "6"
    & skf21("1","4","4","7","3","3","5","1") = "6"
    & skf21("1","4","4","7","3","3","6","1") = "6"
    & skf21("1","4","4","7","3","3","7","1") = "6"
    & skf21("1","4","4","7","3","4","1","1") = "6"
    & skf21("1","4","4","7","3","4","2","1") = "6"
    & skf21("1","4","4","7","3","4","3","1") = "6"
    & skf21("1","4","4","7","3","4","4","1") = "6"
    & skf21("1","4","4","7","3","4","5","1") = "6"
    & skf21("1","4","4","7","3","4","6","1") = "6"
    & skf21("1","4","4","7","3","4","7","1") = "6"
    & skf21("1","4","4","7","3","5","1","1") = "6"
    & skf21("1","4","4","7","3","5","2","1") = "6"
    & skf21("1","4","4","7","3","5","3","1") = "6"
    & skf21("1","4","4","7","3","5","4","1") = "6"
    & skf21("1","4","4","7","3","5","5","1") = "6"
    & skf21("1","4","4","7","3","5","6","1") = "6"
    & skf21("1","4","4","7","3","5","7","1") = "6"
    & skf21("1","4","4","7","3","6","1","1") = "6"
    & skf21("1","4","4","7","3","6","2","1") = "6"
    & skf21("1","4","4","7","3","6","3","1") = "6"
    & skf21("1","4","4","7","3","6","4","1") = "6"
    & skf21("1","4","4","7","3","6","5","1") = "6"
    & skf21("1","4","4","7","3","6","6","1") = "6"
    & skf21("1","4","4","7","3","6","7","1") = "6"
    & skf21("1","4","4","7","3","7","1","1") = "6"
    & skf21("1","4","4","7","3","7","2","1") = "6"
    & skf21("1","4","4","7","3","7","3","1") = "6"
    & skf21("1","4","4","7","3","7","4","1") = "6"
    & skf21("1","4","4","7","3","7","5","1") = "6"
    & skf21("1","4","4","7","3","7","6","1") = "6"
    & skf21("1","4","4","7","3","7","7","1") = "6"
    & skf21("1","4","4","7","4","1","1","1") = "6"
    & skf21("1","4","4","7","4","1","2","1") = "6"
    & skf21("1","4","4","7","4","1","3","1") = "6"
    & skf21("1","4","4","7","4","1","4","1") = "6"
    & skf21("1","4","4","7","4","1","5","1") = "6"
    & skf21("1","4","4","7","4","1","6","1") = "6"
    & skf21("1","4","4","7","4","1","7","1") = "6"
    & skf21("1","4","4","7","4","2","1","1") = "6"
    & skf21("1","4","4","7","4","2","2","1") = "6"
    & skf21("1","4","4","7","4","2","3","1") = "6"
    & skf21("1","4","4","7","4","2","4","1") = "6"
    & skf21("1","4","4","7","4","2","5","1") = "6"
    & skf21("1","4","4","7","4","2","6","1") = "6"
    & skf21("1","4","4","7","4","2","7","1") = "6"
    & skf21("1","4","4","7","4","3","1","1") = "6"
    & skf21("1","4","4","7","4","3","2","1") = "6"
    & skf21("1","4","4","7","4","3","3","1") = "6"
    & skf21("1","4","4","7","4","3","4","1") = "6"
    & skf21("1","4","4","7","4","3","5","1") = "6"
    & skf21("1","4","4","7","4","3","6","1") = "6"
    & skf21("1","4","4","7","4","3","7","1") = "6"
    & skf21("1","4","4","7","4","4","1","1") = "6"
    & skf21("1","4","4","7","4","4","2","1") = "6"
    & skf21("1","4","4","7","4","4","3","1") = "6"
    & skf21("1","4","4","7","4","4","4","1") = "6"
    & skf21("1","4","4","7","4","4","5","1") = "6"
    & skf21("1","4","4","7","4","4","6","1") = "6"
    & skf21("1","4","4","7","4","4","7","1") = "6"
    & skf21("1","4","4","7","4","5","1","1") = "6"
    & skf21("1","4","4","7","4","5","2","1") = "6"
    & skf21("1","4","4","7","4","5","3","1") = "6"
    & skf21("1","4","4","7","4","5","4","1") = "6"
    & skf21("1","4","4","7","4","5","5","1") = "6"
    & skf21("1","4","4","7","4","5","6","1") = "6"
    & skf21("1","4","4","7","4","5","7","1") = "6"
    & skf21("1","4","4","7","4","6","1","1") = "6"
    & skf21("1","4","4","7","4","6","2","1") = "6"
    & skf21("1","4","4","7","4","6","3","1") = "6"
    & skf21("1","4","4","7","4","6","4","1") = "6"
    & skf21("1","4","4","7","4","6","5","1") = "6"
    & skf21("1","4","4","7","4","6","6","1") = "6"
    & skf21("1","4","4","7","4","6","7","1") = "6"
    & skf21("1","4","4","7","4","7","1","1") = "6"
    & skf21("1","4","4","7","4","7","2","1") = "6"
    & skf21("1","4","4","7","4","7","3","1") = "6"
    & skf21("1","4","4","7","4","7","4","1") = "6"
    & skf21("1","4","4","7","4","7","5","1") = "6"
    & skf21("1","4","4","7","4","7","6","1") = "6"
    & skf21("1","4","4","7","4","7","7","1") = "6"
    & skf21("1","4","4","7","5","1","1","1") = "6"
    & skf21("1","4","4","7","5","1","2","1") = "6"
    & skf21("1","4","4","7","5","1","3","1") = "6"
    & skf21("1","4","4","7","5","1","4","1") = "6"
    & skf21("1","4","4","7","5","1","5","1") = "6"
    & skf21("1","4","4","7","5","1","6","1") = "6"
    & skf21("1","4","4","7","5","1","7","1") = "6"
    & skf21("1","4","4","7","5","2","1","1") = "6"
    & skf21("1","4","4","7","5","2","2","1") = "6"
    & skf21("1","4","4","7","5","2","3","1") = "6"
    & skf21("1","4","4","7","5","2","4","1") = "6"
    & skf21("1","4","4","7","5","2","5","1") = "6"
    & skf21("1","4","4","7","5","2","6","1") = "6"
    & skf21("1","4","4","7","5","2","7","1") = "6"
    & skf21("1","4","4","7","5","3","1","1") = "6"
    & skf21("1","4","4","7","5","3","2","1") = "6"
    & skf21("1","4","4","7","5","3","3","1") = "6"
    & skf21("1","4","4","7","5","3","4","1") = "6"
    & skf21("1","4","4","7","5","3","5","1") = "6"
    & skf21("1","4","4","7","5","3","6","1") = "6"
    & skf21("1","4","4","7","5","3","7","1") = "6"
    & skf21("1","4","4","7","5","4","1","1") = "6"
    & skf21("1","4","4","7","5","4","2","1") = "6"
    & skf21("1","4","4","7","5","4","3","1") = "6"
    & skf21("1","4","4","7","5","4","4","1") = "6"
    & skf21("1","4","4","7","5","4","5","1") = "6"
    & skf21("1","4","4","7","5","4","6","1") = "6"
    & skf21("1","4","4","7","5","4","7","1") = "6"
    & skf21("1","4","4","7","5","5","1","1") = "6"
    & skf21("1","4","4","7","5","5","2","1") = "6"
    & skf21("1","4","4","7","5","5","3","1") = "6"
    & skf21("1","4","4","7","5","5","4","1") = "6"
    & skf21("1","4","4","7","5","5","5","1") = "6"
    & skf21("1","4","4","7","5","5","6","1") = "6"
    & skf21("1","4","4","7","5","5","7","1") = "6"
    & skf21("1","4","4","7","5","6","1","1") = "6"
    & skf21("1","4","4","7","5","6","2","1") = "6"
    & skf21("1","4","4","7","5","6","3","1") = "6"
    & skf21("1","4","4","7","5","6","4","1") = "6"
    & skf21("1","4","4","7","5","6","5","1") = "6"
    & skf21("1","4","4","7","5","6","6","1") = "6"
    & skf21("1","4","4","7","5","6","7","1") = "6"
    & skf21("1","4","4","7","5","7","1","1") = "6"
    & skf21("1","4","4","7","5","7","2","1") = "6"
    & skf21("1","4","4","7","5","7","3","1") = "6"
    & skf21("1","4","4","7","5","7","4","1") = "6"
    & skf21("1","4","4","7","5","7","5","1") = "6"
    & skf21("1","4","4","7","5","7","6","1") = "6"
    & skf21("1","4","4","7","5","7","7","1") = "6"
    & skf21("1","4","4","7","6","1","1","1") = "6"
    & skf21("1","4","4","7","6","1","2","1") = "6"
    & skf21("1","4","4","7","6","1","3","1") = "6"
    & skf21("1","4","4","7","6","1","4","1") = "6"
    & skf21("1","4","4","7","6","1","5","1") = "6"
    & skf21("1","4","4","7","6","1","6","1") = "6"
    & skf21("1","4","4","7","6","1","7","1") = "6"
    & skf21("1","4","4","7","6","2","1","1") = "6"
    & skf21("1","4","4","7","6","2","2","1") = "6"
    & skf21("1","4","4","7","6","2","3","1") = "6"
    & skf21("1","4","4","7","6","2","4","1") = "6"
    & skf21("1","4","4","7","6","2","5","1") = "6"
    & skf21("1","4","4","7","6","2","6","1") = "6"
    & skf21("1","4","4","7","6","2","7","1") = "6"
    & skf21("1","4","4","7","6","3","1","1") = "6"
    & skf21("1","4","4","7","6","3","2","1") = "6"
    & skf21("1","4","4","7","6","3","3","1") = "6"
    & skf21("1","4","4","7","6","3","4","1") = "6"
    & skf21("1","4","4","7","6","3","5","1") = "6"
    & skf21("1","4","4","7","6","3","6","1") = "6"
    & skf21("1","4","4","7","6","3","7","1") = "6"
    & skf21("1","4","4","7","6","4","1","1") = "6"
    & skf21("1","4","4","7","6","4","2","1") = "6"
    & skf21("1","4","4","7","6","4","3","1") = "6"
    & skf21("1","4","4","7","6","4","4","1") = "6"
    & skf21("1","4","4","7","6","4","5","1") = "6"
    & skf21("1","4","4","7","6","4","6","1") = "6"
    & skf21("1","4","4","7","6","4","7","1") = "6"
    & skf21("1","4","4","7","6","5","1","1") = "6"
    & skf21("1","4","4","7","6","5","2","1") = "6"
    & skf21("1","4","4","7","6","5","3","1") = "6"
    & skf21("1","4","4","7","6","5","4","1") = "6"
    & skf21("1","4","4","7","6","5","5","1") = "6"
    & skf21("1","4","4","7","6","5","6","1") = "6"
    & skf21("1","4","4","7","6","5","7","1") = "6"
    & skf21("1","4","4","7","6","6","1","1") = "6"
    & skf21("1","4","4","7","6","6","2","1") = "6"
    & skf21("1","4","4","7","6","6","3","1") = "6"
    & skf21("1","4","4","7","6","6","4","1") = "6"
    & skf21("1","4","4","7","6","6","5","1") = "6"
    & skf21("1","4","4","7","6","6","6","1") = "6"
    & skf21("1","4","4","7","6","6","7","1") = "6"
    & skf21("1","4","4","7","6","7","1","1") = "6"
    & skf21("1","4","4","7","6","7","2","1") = "6"
    & skf21("1","4","4","7","6","7","3","1") = "6"
    & skf21("1","4","4","7","6","7","4","1") = "6"
    & skf21("1","4","4","7","6","7","5","1") = "6"
    & skf21("1","4","4","7","6","7","6","1") = "6"
    & skf21("1","4","4","7","6","7","7","1") = "6"
    & skf21("1","4","4","7","7","1","1","1") = "6"
    & skf21("1","4","4","7","7","1","2","1") = "6"
    & skf21("1","4","4","7","7","1","3","1") = "6"
    & skf21("1","4","4","7","7","1","4","1") = "6"
    & skf21("1","4","4","7","7","1","5","1") = "6"
    & skf21("1","4","4","7","7","1","6","1") = "6"
    & skf21("1","4","4","7","7","1","7","1") = "6"
    & skf21("1","4","4","7","7","2","1","1") = "6"
    & skf21("1","4","4","7","7","2","2","1") = "6"
    & skf21("1","4","4","7","7","2","3","1") = "6"
    & skf21("1","4","4","7","7","2","4","1") = "6"
    & skf21("1","4","4","7","7","2","5","1") = "6"
    & skf21("1","4","4","7","7","2","6","1") = "6"
    & skf21("1","4","4","7","7","2","7","1") = "6"
    & skf21("1","4","4","7","7","3","1","1") = "6"
    & skf21("1","4","4","7","7","3","2","1") = "6"
    & skf21("1","4","4","7","7","3","3","1") = "6"
    & skf21("1","4","4","7","7","3","4","1") = "6"
    & skf21("1","4","4","7","7","3","5","1") = "6"
    & skf21("1","4","4","7","7","3","6","1") = "6"
    & skf21("1","4","4","7","7","3","7","1") = "6"
    & skf21("1","4","4","7","7","4","1","1") = "6"
    & skf21("1","4","4","7","7","4","2","1") = "6"
    & skf21("1","4","4","7","7","4","3","1") = "6"
    & skf21("1","4","4","7","7","4","4","1") = "6"
    & skf21("1","4","4","7","7","4","5","1") = "6"
    & skf21("1","4","4","7","7","4","6","1") = "6"
    & skf21("1","4","4","7","7","4","7","1") = "6"
    & skf21("1","4","4","7","7","5","1","1") = "6"
    & skf21("1","4","4","7","7","5","2","1") = "6"
    & skf21("1","4","4","7","7","5","3","1") = "6"
    & skf21("1","4","4","7","7","5","4","1") = "6"
    & skf21("1","4","4","7","7","5","5","1") = "6"
    & skf21("1","4","4","7","7","5","6","1") = "6"
    & skf21("1","4","4","7","7","5","7","1") = "6"
    & skf21("1","4","4","7","7","6","1","1") = "6"
    & skf21("1","4","4","7","7","6","2","1") = "6"
    & skf21("1","4","4","7","7","6","3","1") = "6"
    & skf21("1","4","4","7","7","6","4","1") = "6"
    & skf21("1","4","4","7","7","6","5","1") = "6"
    & skf21("1","4","4","7","7","6","6","1") = "6"
    & skf21("1","4","4","7","7","6","7","1") = "6"
    & skf21("1","4","4","7","7","7","1","1") = "6"
    & skf21("1","4","4","7","7","7","2","1") = "6"
    & skf21("1","4","4","7","7","7","3","1") = "6"
    & skf21("1","4","4","7","7","7","4","1") = "6"
    & skf21("1","4","4","7","7","7","5","1") = "6"
    & skf21("1","4","4","7","7","7","6","1") = "6"
    & skf21("1","4","4","7","7","7","7","1") = "6"
    & skf21("1","4","5","1","1","1","1","1") = "4"
    & skf21("1","4","5","1","1","1","2","1") = "4"
    & skf21("1","4","5","1","1","1","3","1") = "4"
    & skf21("1","4","5","1","1","1","4","1") = "4"
    & skf21("1","4","5","1","1","1","5","1") = "4"
    & skf21("1","4","5","1","1","1","6","1") = "5"
    & skf21("1","4","5","1","1","1","7","1") = "6"
    & skf21("1","4","5","1","1","2","1","1") = "4"
    & skf21("1","4","5","1","1","2","2","1") = "4"
    & skf21("1","4","5","1","1","2","3","1") = "4"
    & skf21("1","4","5","1","1","2","4","1") = "4"
    & skf21("1","4","5","1","1","2","5","1") = "4"
    & skf21("1","4","5","1","1","2","6","1") = "5"
    & skf21("1","4","5","1","1","2","7","1") = "6"
    & skf21("1","4","5","1","1","3","1","1") = "4"
    & skf21("1","4","5","1","1","3","2","1") = "4"
    & skf21("1","4","5","1","1","3","3","1") = "4"
    & skf21("1","4","5","1","1","3","4","1") = "4"
    & skf21("1","4","5","1","1","3","5","1") = "4"
    & skf21("1","4","5","1","1","3","6","1") = "5"
    & skf21("1","4","5","1","1","3","7","1") = "6"
    & skf21("1","4","5","1","1","4","1","1") = "4"
    & skf21("1","4","5","1","1","4","2","1") = "4"
    & skf21("1","4","5","1","1","4","3","1") = "4"
    & skf21("1","4","5","1","1","4","4","1") = "4"
    & skf21("1","4","5","1","1","4","5","1") = "4"
    & skf21("1","4","5","1","1","4","6","1") = "5"
    & skf21("1","4","5","1","1","4","7","1") = "6"
    & skf21("1","4","5","1","1","5","1","1") = "4"
    & skf21("1","4","5","1","1","5","2","1") = "4"
    & skf21("1","4","5","1","1","5","3","1") = "4"
    & skf21("1","4","5","1","1","5","4","1") = "4"
    & skf21("1","4","5","1","1","5","5","1") = "4"
    & skf21("1","4","5","1","1","5","6","1") = "5"
    & skf21("1","4","5","1","1","5","7","1") = "6"
    & skf21("1","4","5","1","1","6","1","1") = "5"
    & skf21("1","4","5","1","1","6","2","1") = "5"
    & skf21("1","4","5","1","1","6","3","1") = "5"
    & skf21("1","4","5","1","1","6","4","1") = "5"
    & skf21("1","4","5","1","1","6","5","1") = "5"
    & skf21("1","4","5","1","1","6","6","1") = "5"
    & skf21("1","4","5","1","1","6","7","1") = "6"
    & skf21("1","4","5","1","1","7","1","1") = "6"
    & skf21("1","4","5","1","1","7","2","1") = "6"
    & skf21("1","4","5","1","1","7","3","1") = "6"
    & skf21("1","4","5","1","1","7","4","1") = "6"
    & skf21("1","4","5","1","1","7","5","1") = "6"
    & skf21("1","4","5","1","1","7","6","1") = "6"
    & skf21("1","4","5","1","1","7","7","1") = "6"
    & skf21("1","4","5","1","2","1","1","1") = "4"
    & skf21("1","4","5","1","2","1","2","1") = "4"
    & skf21("1","4","5","1","2","1","3","1") = "4"
    & skf21("1","4","5","1","2","1","4","1") = "4"
    & skf21("1","4","5","1","2","1","5","1") = "4"
    & skf21("1","4","5","1","2","1","6","1") = "5"
    & skf21("1","4","5","1","2","1","7","1") = "6"
    & skf21("1","4","5","1","2","2","1","1") = "4"
    & skf21("1","4","5","1","2","2","2","1") = "4"
    & skf21("1","4","5","1","2","2","3","1") = "4"
    & skf21("1","4","5","1","2","2","4","1") = "4"
    & skf21("1","4","5","1","2","2","5","1") = "4"
    & skf21("1","4","5","1","2","2","6","1") = "5"
    & skf21("1","4","5","1","2","2","7","1") = "6"
    & skf21("1","4","5","1","2","3","1","1") = "4"
    & skf21("1","4","5","1","2","3","2","1") = "4"
    & skf21("1","4","5","1","2","3","3","1") = "4"
    & skf21("1","4","5","1","2","3","4","1") = "4"
    & skf21("1","4","5","1","2","3","5","1") = "4"
    & skf21("1","4","5","1","2","3","6","1") = "5"
    & skf21("1","4","5","1","2","3","7","1") = "6"
    & skf21("1","4","5","1","2","4","1","1") = "4"
    & skf21("1","4","5","1","2","4","2","1") = "4"
    & skf21("1","4","5","1","2","4","3","1") = "4"
    & skf21("1","4","5","1","2","4","4","1") = "4"
    & skf21("1","4","5","1","2","4","5","1") = "4"
    & skf21("1","4","5","1","2","4","6","1") = "5"
    & skf21("1","4","5","1","2","4","7","1") = "6"
    & skf21("1","4","5","1","2","5","1","1") = "4"
    & skf21("1","4","5","1","2","5","2","1") = "4"
    & skf21("1","4","5","1","2","5","3","1") = "4"
    & skf21("1","4","5","1","2","5","4","1") = "4"
    & skf21("1","4","5","1","2","5","5","1") = "4"
    & skf21("1","4","5","1","2","5","6","1") = "5"
    & skf21("1","4","5","1","2","5","7","1") = "6"
    & skf21("1","4","5","1","2","6","1","1") = "5"
    & skf21("1","4","5","1","2","6","2","1") = "5"
    & skf21("1","4","5","1","2","6","3","1") = "5"
    & skf21("1","4","5","1","2","6","4","1") = "5"
    & skf21("1","4","5","1","2","6","5","1") = "5"
    & skf21("1","4","5","1","2","6","6","1") = "5"
    & skf21("1","4","5","1","2","6","7","1") = "6"
    & skf21("1","4","5","1","2","7","1","1") = "6"
    & skf21("1","4","5","1","2","7","2","1") = "6"
    & skf21("1","4","5","1","2","7","3","1") = "6"
    & skf21("1","4","5","1","2","7","4","1") = "6"
    & skf21("1","4","5","1","2","7","5","1") = "6"
    & skf21("1","4","5","1","2","7","6","1") = "6"
    & skf21("1","4","5","1","2","7","7","1") = "6"
    & skf21("1","4","5","1","3","1","1","1") = "4"
    & skf21("1","4","5","1","3","1","2","1") = "4"
    & skf21("1","4","5","1","3","1","3","1") = "4"
    & skf21("1","4","5","1","3","1","4","1") = "4"
    & skf21("1","4","5","1","3","1","5","1") = "4"
    & skf21("1","4","5","1","3","1","6","1") = "5"
    & skf21("1","4","5","1","3","1","7","1") = "6"
    & skf21("1","4","5","1","3","2","1","1") = "4"
    & skf21("1","4","5","1","3","2","2","1") = "4"
    & skf21("1","4","5","1","3","2","3","1") = "4"
    & skf21("1","4","5","1","3","2","4","1") = "4"
    & skf21("1","4","5","1","3","2","5","1") = "4"
    & skf21("1","4","5","1","3","2","6","1") = "5"
    & skf21("1","4","5","1","3","2","7","1") = "6"
    & skf21("1","4","5","1","3","3","1","1") = "4"
    & skf21("1","4","5","1","3","3","2","1") = "4"
    & skf21("1","4","5","1","3","3","3","1") = "4"
    & skf21("1","4","5","1","3","3","4","1") = "4"
    & skf21("1","4","5","1","3","3","5","1") = "4"
    & skf21("1","4","5","1","3","3","6","1") = "5"
    & skf21("1","4","5","1","3","3","7","1") = "6"
    & skf21("1","4","5","1","3","4","1","1") = "4"
    & skf21("1","4","5","1","3","4","2","1") = "4"
    & skf21("1","4","5","1","3","4","3","1") = "4"
    & skf21("1","4","5","1","3","4","4","1") = "4"
    & skf21("1","4","5","1","3","4","5","1") = "4"
    & skf21("1","4","5","1","3","4","6","1") = "5"
    & skf21("1","4","5","1","3","4","7","1") = "6"
    & skf21("1","4","5","1","3","5","1","1") = "4"
    & skf21("1","4","5","1","3","5","2","1") = "4"
    & skf21("1","4","5","1","3","5","3","1") = "4"
    & skf21("1","4","5","1","3","5","4","1") = "4"
    & skf21("1","4","5","1","3","5","5","1") = "4"
    & skf21("1","4","5","1","3","5","6","1") = "5"
    & skf21("1","4","5","1","3","5","7","1") = "6"
    & skf21("1","4","5","1","3","6","1","1") = "5"
    & skf21("1","4","5","1","3","6","2","1") = "5"
    & skf21("1","4","5","1","3","6","3","1") = "5"
    & skf21("1","4","5","1","3","6","4","1") = "5"
    & skf21("1","4","5","1","3","6","5","1") = "5"
    & skf21("1","4","5","1","3","6","6","1") = "5"
    & skf21("1","4","5","1","3","6","7","1") = "6"
    & skf21("1","4","5","1","3","7","1","1") = "6"
    & skf21("1","4","5","1","3","7","2","1") = "6"
    & skf21("1","4","5","1","3","7","3","1") = "6"
    & skf21("1","4","5","1","3","7","4","1") = "6"
    & skf21("1","4","5","1","3","7","5","1") = "6"
    & skf21("1","4","5","1","3","7","6","1") = "6"
    & skf21("1","4","5","1","3","7","7","1") = "6"
    & skf21("1","4","5","1","4","1","1","1") = "4"
    & skf21("1","4","5","1","4","1","2","1") = "4"
    & skf21("1","4","5","1","4","1","3","1") = "4"
    & skf21("1","4","5","1","4","1","4","1") = "4"
    & skf21("1","4","5","1","4","1","5","1") = "4"
    & skf21("1","4","5","1","4","1","6","1") = "5"
    & skf21("1","4","5","1","4","1","7","1") = "6"
    & skf21("1","4","5","1","4","2","1","1") = "4"
    & skf21("1","4","5","1","4","2","2","1") = "4"
    & skf21("1","4","5","1","4","2","3","1") = "4"
    & skf21("1","4","5","1","4","2","4","1") = "4"
    & skf21("1","4","5","1","4","2","5","1") = "4"
    & skf21("1","4","5","1","4","2","6","1") = "5"
    & skf21("1","4","5","1","4","2","7","1") = "6"
    & skf21("1","4","5","1","4","3","1","1") = "4"
    & skf21("1","4","5","1","4","3","2","1") = "4"
    & skf21("1","4","5","1","4","3","3","1") = "4"
    & skf21("1","4","5","1","4","3","4","1") = "4"
    & skf21("1","4","5","1","4","3","5","1") = "4"
    & skf21("1","4","5","1","4","3","6","1") = "5"
    & skf21("1","4","5","1","4","3","7","1") = "6"
    & skf21("1","4","5","1","4","4","1","1") = "4"
    & skf21("1","4","5","1","4","4","2","1") = "4"
    & skf21("1","4","5","1","4","4","3","1") = "4"
    & skf21("1","4","5","1","4","4","4","1") = "4"
    & skf21("1","4","5","1","4","4","5","1") = "4"
    & skf21("1","4","5","1","4","4","6","1") = "5"
    & skf21("1","4","5","1","4","4","7","1") = "6"
    & skf21("1","4","5","1","4","5","1","1") = "4"
    & skf21("1","4","5","1","4","5","2","1") = "4"
    & skf21("1","4","5","1","4","5","3","1") = "4"
    & skf21("1","4","5","1","4","5","4","1") = "4"
    & skf21("1","4","5","1","4","5","5","1") = "4"
    & skf21("1","4","5","1","4","5","6","1") = "5"
    & skf21("1","4","5","1","4","5","7","1") = "6"
    & skf21("1","4","5","1","4","6","1","1") = "5"
    & skf21("1","4","5","1","4","6","2","1") = "5"
    & skf21("1","4","5","1","4","6","3","1") = "5"
    & skf21("1","4","5","1","4","6","4","1") = "5"
    & skf21("1","4","5","1","4","6","5","1") = "5"
    & skf21("1","4","5","1","4","6","6","1") = "5"
    & skf21("1","4","5","1","4","6","7","1") = "6"
    & skf21("1","4","5","1","4","7","1","1") = "6"
    & skf21("1","4","5","1","4","7","2","1") = "6"
    & skf21("1","4","5","1","4","7","3","1") = "6"
    & skf21("1","4","5","1","4","7","4","1") = "6"
    & skf21("1","4","5","1","4","7","5","1") = "6"
    & skf21("1","4","5","1","4","7","6","1") = "6"
    & skf21("1","4","5","1","4","7","7","1") = "6"
    & skf21("1","4","5","1","5","1","1","1") = "4"
    & skf21("1","4","5","1","5","1","2","1") = "4"
    & skf21("1","4","5","1","5","1","3","1") = "4"
    & skf21("1","4","5","1","5","1","4","1") = "4"
    & skf21("1","4","5","1","5","1","5","1") = "4"
    & skf21("1","4","5","1","5","1","6","1") = "5"
    & skf21("1","4","5","1","5","1","7","1") = "6"
    & skf21("1","4","5","1","5","2","1","1") = "4"
    & skf21("1","4","5","1","5","2","2","1") = "4"
    & skf21("1","4","5","1","5","2","3","1") = "4"
    & skf21("1","4","5","1","5","2","4","1") = "4"
    & skf21("1","4","5","1","5","2","5","1") = "4"
    & skf21("1","4","5","1","5","2","6","1") = "5"
    & skf21("1","4","5","1","5","2","7","1") = "6"
    & skf21("1","4","5","1","5","3","1","1") = "4"
    & skf21("1","4","5","1","5","3","2","1") = "4"
    & skf21("1","4","5","1","5","3","3","1") = "4"
    & skf21("1","4","5","1","5","3","4","1") = "4"
    & skf21("1","4","5","1","5","3","5","1") = "4"
    & skf21("1","4","5","1","5","3","6","1") = "5"
    & skf21("1","4","5","1","5","3","7","1") = "6"
    & skf21("1","4","5","1","5","4","1","1") = "4"
    & skf21("1","4","5","1","5","4","2","1") = "4"
    & skf21("1","4","5","1","5","4","3","1") = "4"
    & skf21("1","4","5","1","5","4","4","1") = "4"
    & skf21("1","4","5","1","5","4","5","1") = "4"
    & skf21("1","4","5","1","5","4","6","1") = "5"
    & skf21("1","4","5","1","5","4","7","1") = "6"
    & skf21("1","4","5","1","5","5","1","1") = "4"
    & skf21("1","4","5","1","5","5","2","1") = "4"
    & skf21("1","4","5","1","5","5","3","1") = "4"
    & skf21("1","4","5","1","5","5","4","1") = "4"
    & skf21("1","4","5","1","5","5","5","1") = "4"
    & skf21("1","4","5","1","5","5","6","1") = "5"
    & skf21("1","4","5","1","5","5","7","1") = "6"
    & skf21("1","4","5","1","5","6","1","1") = "5"
    & skf21("1","4","5","1","5","6","2","1") = "5"
    & skf21("1","4","5","1","5","6","3","1") = "5"
    & skf21("1","4","5","1","5","6","4","1") = "5"
    & skf21("1","4","5","1","5","6","5","1") = "5"
    & skf21("1","4","5","1","5","6","6","1") = "5"
    & skf21("1","4","5","1","5","6","7","1") = "6"
    & skf21("1","4","5","1","5","7","1","1") = "6"
    & skf21("1","4","5","1","5","7","2","1") = "6"
    & skf21("1","4","5","1","5","7","3","1") = "6"
    & skf21("1","4","5","1","5","7","4","1") = "6"
    & skf21("1","4","5","1","5","7","5","1") = "6"
    & skf21("1","4","5","1","5","7","6","1") = "6"
    & skf21("1","4","5","1","5","7","7","1") = "6"
    & skf21("1","4","5","1","6","1","1","1") = "5"
    & skf21("1","4","5","1","6","1","2","1") = "5"
    & skf21("1","4","5","1","6","1","3","1") = "5"
    & skf21("1","4","5","1","6","1","4","1") = "5"
    & skf21("1","4","5","1","6","1","5","1") = "5"
    & skf21("1","4","5","1","6","1","6","1") = "5"
    & skf21("1","4","5","1","6","1","7","1") = "6"
    & skf21("1","4","5","1","6","2","1","1") = "5"
    & skf21("1","4","5","1","6","2","2","1") = "5"
    & skf21("1","4","5","1","6","2","3","1") = "5"
    & skf21("1","4","5","1","6","2","4","1") = "5"
    & skf21("1","4","5","1","6","2","5","1") = "5"
    & skf21("1","4","5","1","6","2","6","1") = "5"
    & skf21("1","4","5","1","6","2","7","1") = "6"
    & skf21("1","4","5","1","6","3","1","1") = "5"
    & skf21("1","4","5","1","6","3","2","1") = "5"
    & skf21("1","4","5","1","6","3","3","1") = "5"
    & skf21("1","4","5","1","6","3","4","1") = "5"
    & skf21("1","4","5","1","6","3","5","1") = "5"
    & skf21("1","4","5","1","6","3","6","1") = "5"
    & skf21("1","4","5","1","6","3","7","1") = "6"
    & skf21("1","4","5","1","6","4","1","1") = "5"
    & skf21("1","4","5","1","6","4","2","1") = "5"
    & skf21("1","4","5","1","6","4","3","1") = "5"
    & skf21("1","4","5","1","6","4","4","1") = "5"
    & skf21("1","4","5","1","6","4","5","1") = "5"
    & skf21("1","4","5","1","6","4","6","1") = "5"
    & skf21("1","4","5","1","6","4","7","1") = "6"
    & skf21("1","4","5","1","6","5","1","1") = "5"
    & skf21("1","4","5","1","6","5","2","1") = "5"
    & skf21("1","4","5","1","6","5","3","1") = "5"
    & skf21("1","4","5","1","6","5","4","1") = "5"
    & skf21("1","4","5","1","6","5","5","1") = "5"
    & skf21("1","4","5","1","6","5","6","1") = "5"
    & skf21("1","4","5","1","6","5","7","1") = "6"
    & skf21("1","4","5","1","6","6","1","1") = "5"
    & skf21("1","4","5","1","6","6","2","1") = "5"
    & skf21("1","4","5","1","6","6","3","1") = "5"
    & skf21("1","4","5","1","6","6","4","1") = "5"
    & skf21("1","4","5","1","6","6","5","1") = "5"
    & skf21("1","4","5","1","6","6","6","1") = "5"
    & skf21("1","4","5","1","6","6","7","1") = "6"
    & skf21("1","4","5","1","6","7","1","1") = "6"
    & skf21("1","4","5","1","6","7","2","1") = "6"
    & skf21("1","4","5","1","6","7","3","1") = "6"
    & skf21("1","4","5","1","6","7","4","1") = "6"
    & skf21("1","4","5","1","6","7","5","1") = "6"
    & skf21("1","4","5","1","6","7","6","1") = "6"
    & skf21("1","4","5","1","6","7","7","1") = "6"
    & skf21("1","4","5","1","7","1","1","1") = "6"
    & skf21("1","4","5","1","7","1","2","1") = "6"
    & skf21("1","4","5","1","7","1","3","1") = "6"
    & skf21("1","4","5","1","7","1","4","1") = "6"
    & skf21("1","4","5","1","7","1","5","1") = "6"
    & skf21("1","4","5","1","7","1","6","1") = "6"
    & skf21("1","4","5","1","7","1","7","1") = "6"
    & skf21("1","4","5","1","7","2","1","1") = "6"
    & skf21("1","4","5","1","7","2","2","1") = "6"
    & skf21("1","4","5","1","7","2","3","1") = "6"
    & skf21("1","4","5","1","7","2","4","1") = "6"
    & skf21("1","4","5","1","7","2","5","1") = "6"
    & skf21("1","4","5","1","7","2","6","1") = "6"
    & skf21("1","4","5","1","7","2","7","1") = "6"
    & skf21("1","4","5","1","7","3","1","1") = "6"
    & skf21("1","4","5","1","7","3","2","1") = "6"
    & skf21("1","4","5","1","7","3","3","1") = "6"
    & skf21("1","4","5","1","7","3","4","1") = "6"
    & skf21("1","4","5","1","7","3","5","1") = "6"
    & skf21("1","4","5","1","7","3","6","1") = "6"
    & skf21("1","4","5","1","7","3","7","1") = "6"
    & skf21("1","4","5","1","7","4","1","1") = "6"
    & skf21("1","4","5","1","7","4","2","1") = "6"
    & skf21("1","4","5","1","7","4","3","1") = "6"
    & skf21("1","4","5","1","7","4","4","1") = "6"
    & skf21("1","4","5","1","7","4","5","1") = "6"
    & skf21("1","4","5","1","7","4","6","1") = "6"
    & skf21("1","4","5","1","7","4","7","1") = "6"
    & skf21("1","4","5","1","7","5","1","1") = "6"
    & skf21("1","4","5","1","7","5","2","1") = "6"
    & skf21("1","4","5","1","7","5","3","1") = "6"
    & skf21("1","4","5","1","7","5","4","1") = "6"
    & skf21("1","4","5","1","7","5","5","1") = "6"
    & skf21("1","4","5","1","7","5","6","1") = "6"
    & skf21("1","4","5","1","7","5","7","1") = "6"
    & skf21("1","4","5","1","7","6","1","1") = "6"
    & skf21("1","4","5","1","7","6","2","1") = "6"
    & skf21("1","4","5","1","7","6","3","1") = "6"
    & skf21("1","4","5","1","7","6","4","1") = "6"
    & skf21("1","4","5","1","7","6","5","1") = "6"
    & skf21("1","4","5","1","7","6","6","1") = "6"
    & skf21("1","4","5","1","7","6","7","1") = "6"
    & skf21("1","4","5","1","7","7","1","1") = "6"
    & skf21("1","4","5","1","7","7","2","1") = "6"
    & skf21("1","4","5","1","7","7","3","1") = "6"
    & skf21("1","4","5","1","7","7","4","1") = "6"
    & skf21("1","4","5","1","7","7","5","1") = "6"
    & skf21("1","4","5","1","7","7","6","1") = "6"
    & skf21("1","4","5","1","7","7","7","1") = "6"
    & skf21("1","4","5","2","1","1","1","1") = "4"
    & skf21("1","4","5","2","1","1","2","1") = "4"
    & skf21("1","4","5","2","1","1","3","1") = "4"
    & skf21("1","4","5","2","1","1","4","1") = "4"
    & skf21("1","4","5","2","1","1","5","1") = "4"
    & skf21("1","4","5","2","1","1","6","1") = "5"
    & skf21("1","4","5","2","1","1","7","1") = "6"
    & skf21("1","4","5","2","1","2","1","1") = "4"
    & skf21("1","4","5","2","1","2","2","1") = "4"
    & skf21("1","4","5","2","1","2","3","1") = "4"
    & skf21("1","4","5","2","1","2","4","1") = "4"
    & skf21("1","4","5","2","1","2","5","1") = "4"
    & skf21("1","4","5","2","1","2","6","1") = "5"
    & skf21("1","4","5","2","1","2","7","1") = "6"
    & skf21("1","4","5","2","1","3","1","1") = "4"
    & skf21("1","4","5","2","1","3","2","1") = "4"
    & skf21("1","4","5","2","1","3","3","1") = "4"
    & skf21("1","4","5","2","1","3","4","1") = "4"
    & skf21("1","4","5","2","1","3","5","1") = "4"
    & skf21("1","4","5","2","1","3","6","1") = "5"
    & skf21("1","4","5","2","1","3","7","1") = "6"
    & skf21("1","4","5","2","1","4","1","1") = "4"
    & skf21("1","4","5","2","1","4","2","1") = "4"
    & skf21("1","4","5","2","1","4","3","1") = "4"
    & skf21("1","4","5","2","1","4","4","1") = "4"
    & skf21("1","4","5","2","1","4","5","1") = "4"
    & skf21("1","4","5","2","1","4","6","1") = "5"
    & skf21("1","4","5","2","1","4","7","1") = "6"
    & skf21("1","4","5","2","1","5","1","1") = "4"
    & skf21("1","4","5","2","1","5","2","1") = "4"
    & skf21("1","4","5","2","1","5","3","1") = "4"
    & skf21("1","4","5","2","1","5","4","1") = "4"
    & skf21("1","4","5","2","1","5","5","1") = "4"
    & skf21("1","4","5","2","1","5","6","1") = "5"
    & skf21("1","4","5","2","1","5","7","1") = "6"
    & skf21("1","4","5","2","1","6","1","1") = "5"
    & skf21("1","4","5","2","1","6","2","1") = "5"
    & skf21("1","4","5","2","1","6","3","1") = "5"
    & skf21("1","4","5","2","1","6","4","1") = "5"
    & skf21("1","4","5","2","1","6","5","1") = "5"
    & skf21("1","4","5","2","1","6","6","1") = "5"
    & skf21("1","4","5","2","1","6","7","1") = "6"
    & skf21("1","4","5","2","1","7","1","1") = "6"
    & skf21("1","4","5","2","1","7","2","1") = "6"
    & skf21("1","4","5","2","1","7","3","1") = "6"
    & skf21("1","4","5","2","1","7","4","1") = "6"
    & skf21("1","4","5","2","1","7","5","1") = "6"
    & skf21("1","4","5","2","1","7","6","1") = "6"
    & skf21("1","4","5","2","1","7","7","1") = "6"
    & skf21("1","4","5","2","2","1","1","1") = "4"
    & skf21("1","4","5","2","2","1","2","1") = "4"
    & skf21("1","4","5","2","2","1","3","1") = "4"
    & skf21("1","4","5","2","2","1","4","1") = "4"
    & skf21("1","4","5","2","2","1","5","1") = "4"
    & skf21("1","4","5","2","2","1","6","1") = "5"
    & skf21("1","4","5","2","2","1","7","1") = "6"
    & skf21("1","4","5","2","2","2","1","1") = "4"
    & skf21("1","4","5","2","2","2","2","1") = "4"
    & skf21("1","4","5","2","2","2","3","1") = "4"
    & skf21("1","4","5","2","2","2","4","1") = "4"
    & skf21("1","4","5","2","2","2","5","1") = "4"
    & skf21("1","4","5","2","2","2","6","1") = "5"
    & skf21("1","4","5","2","2","2","7","1") = "6"
    & skf21("1","4","5","2","2","3","1","1") = "4"
    & skf21("1","4","5","2","2","3","2","1") = "4"
    & skf21("1","4","5","2","2","3","3","1") = "4"
    & skf21("1","4","5","2","2","3","4","1") = "4"
    & skf21("1","4","5","2","2","3","5","1") = "4"
    & skf21("1","4","5","2","2","3","6","1") = "5"
    & skf21("1","4","5","2","2","3","7","1") = "6"
    & skf21("1","4","5","2","2","4","1","1") = "4"
    & skf21("1","4","5","2","2","4","2","1") = "4"
    & skf21("1","4","5","2","2","4","3","1") = "4"
    & skf21("1","4","5","2","2","4","4","1") = "4"
    & skf21("1","4","5","2","2","4","5","1") = "4"
    & skf21("1","4","5","2","2","4","6","1") = "5"
    & skf21("1","4","5","2","2","4","7","1") = "6"
    & skf21("1","4","5","2","2","5","1","1") = "4"
    & skf21("1","4","5","2","2","5","2","1") = "4"
    & skf21("1","4","5","2","2","5","3","1") = "4"
    & skf21("1","4","5","2","2","5","4","1") = "4"
    & skf21("1","4","5","2","2","5","5","1") = "4"
    & skf21("1","4","5","2","2","5","6","1") = "5"
    & skf21("1","4","5","2","2","5","7","1") = "6"
    & skf21("1","4","5","2","2","6","1","1") = "5"
    & skf21("1","4","5","2","2","6","2","1") = "5"
    & skf21("1","4","5","2","2","6","3","1") = "5"
    & skf21("1","4","5","2","2","6","4","1") = "5"
    & skf21("1","4","5","2","2","6","5","1") = "5"
    & skf21("1","4","5","2","2","6","6","1") = "5"
    & skf21("1","4","5","2","2","6","7","1") = "6"
    & skf21("1","4","5","2","2","7","1","1") = "6"
    & skf21("1","4","5","2","2","7","2","1") = "6"
    & skf21("1","4","5","2","2","7","3","1") = "6"
    & skf21("1","4","5","2","2","7","4","1") = "6"
    & skf21("1","4","5","2","2","7","5","1") = "6"
    & skf21("1","4","5","2","2","7","6","1") = "6"
    & skf21("1","4","5","2","2","7","7","1") = "6"
    & skf21("1","4","5","2","3","1","1","1") = "4"
    & skf21("1","4","5","2","3","1","2","1") = "4"
    & skf21("1","4","5","2","3","1","3","1") = "4"
    & skf21("1","4","5","2","3","1","4","1") = "4"
    & skf21("1","4","5","2","3","1","5","1") = "4"
    & skf21("1","4","5","2","3","1","6","1") = "5"
    & skf21("1","4","5","2","3","1","7","1") = "6"
    & skf21("1","4","5","2","3","2","1","1") = "4"
    & skf21("1","4","5","2","3","2","2","1") = "4"
    & skf21("1","4","5","2","3","2","3","1") = "4"
    & skf21("1","4","5","2","3","2","4","1") = "4"
    & skf21("1","4","5","2","3","2","5","1") = "4"
    & skf21("1","4","5","2","3","2","6","1") = "5"
    & skf21("1","4","5","2","3","2","7","1") = "6"
    & skf21("1","4","5","2","3","3","1","1") = "4"
    & skf21("1","4","5","2","3","3","2","1") = "4"
    & skf21("1","4","5","2","3","3","3","1") = "4"
    & skf21("1","4","5","2","3","3","4","1") = "4"
    & skf21("1","4","5","2","3","3","5","1") = "4"
    & skf21("1","4","5","2","3","3","6","1") = "5"
    & skf21("1","4","5","2","3","3","7","1") = "6"
    & skf21("1","4","5","2","3","4","1","1") = "4"
    & skf21("1","4","5","2","3","4","2","1") = "4"
    & skf21("1","4","5","2","3","4","3","1") = "4"
    & skf21("1","4","5","2","3","4","4","1") = "4"
    & skf21("1","4","5","2","3","4","5","1") = "4"
    & skf21("1","4","5","2","3","4","6","1") = "5"
    & skf21("1","4","5","2","3","4","7","1") = "6"
    & skf21("1","4","5","2","3","5","1","1") = "4"
    & skf21("1","4","5","2","3","5","2","1") = "4"
    & skf21("1","4","5","2","3","5","3","1") = "4"
    & skf21("1","4","5","2","3","5","4","1") = "4"
    & skf21("1","4","5","2","3","5","5","1") = "4"
    & skf21("1","4","5","2","3","5","6","1") = "5"
    & skf21("1","4","5","2","3","5","7","1") = "6"
    & skf21("1","4","5","2","3","6","1","1") = "5"
    & skf21("1","4","5","2","3","6","2","1") = "5"
    & skf21("1","4","5","2","3","6","3","1") = "5"
    & skf21("1","4","5","2","3","6","4","1") = "5"
    & skf21("1","4","5","2","3","6","5","1") = "5"
    & skf21("1","4","5","2","3","6","6","1") = "5"
    & skf21("1","4","5","2","3","6","7","1") = "6"
    & skf21("1","4","5","2","3","7","1","1") = "6"
    & skf21("1","4","5","2","3","7","2","1") = "6"
    & skf21("1","4","5","2","3","7","3","1") = "6"
    & skf21("1","4","5","2","3","7","4","1") = "6"
    & skf21("1","4","5","2","3","7","5","1") = "6"
    & skf21("1","4","5","2","3","7","6","1") = "6"
    & skf21("1","4","5","2","3","7","7","1") = "6"
    & skf21("1","4","5","2","4","1","1","1") = "4"
    & skf21("1","4","5","2","4","1","2","1") = "4"
    & skf21("1","4","5","2","4","1","3","1") = "4"
    & skf21("1","4","5","2","4","1","4","1") = "4"
    & skf21("1","4","5","2","4","1","5","1") = "4"
    & skf21("1","4","5","2","4","1","6","1") = "5"
    & skf21("1","4","5","2","4","1","7","1") = "6"
    & skf21("1","4","5","2","4","2","1","1") = "4"
    & skf21("1","4","5","2","4","2","2","1") = "4"
    & skf21("1","4","5","2","4","2","3","1") = "4"
    & skf21("1","4","5","2","4","2","4","1") = "4"
    & skf21("1","4","5","2","4","2","5","1") = "4"
    & skf21("1","4","5","2","4","2","6","1") = "5"
    & skf21("1","4","5","2","4","2","7","1") = "6"
    & skf21("1","4","5","2","4","3","1","1") = "4"
    & skf21("1","4","5","2","4","3","2","1") = "4"
    & skf21("1","4","5","2","4","3","3","1") = "4"
    & skf21("1","4","5","2","4","3","4","1") = "4"
    & skf21("1","4","5","2","4","3","5","1") = "4"
    & skf21("1","4","5","2","4","3","6","1") = "5"
    & skf21("1","4","5","2","4","3","7","1") = "6"
    & skf21("1","4","5","2","4","4","1","1") = "4"
    & skf21("1","4","5","2","4","4","2","1") = "4"
    & skf21("1","4","5","2","4","4","3","1") = "4"
    & skf21("1","4","5","2","4","4","4","1") = "4"
    & skf21("1","4","5","2","4","4","5","1") = "4"
    & skf21("1","4","5","2","4","4","6","1") = "5"
    & skf21("1","4","5","2","4","4","7","1") = "6"
    & skf21("1","4","5","2","4","5","1","1") = "4"
    & skf21("1","4","5","2","4","5","2","1") = "4"
    & skf21("1","4","5","2","4","5","3","1") = "4"
    & skf21("1","4","5","2","4","5","4","1") = "4"
    & skf21("1","4","5","2","4","5","5","1") = "4"
    & skf21("1","4","5","2","4","5","6","1") = "5"
    & skf21("1","4","5","2","4","5","7","1") = "6"
    & skf21("1","4","5","2","4","6","1","1") = "5"
    & skf21("1","4","5","2","4","6","2","1") = "5"
    & skf21("1","4","5","2","4","6","3","1") = "5"
    & skf21("1","4","5","2","4","6","4","1") = "5"
    & skf21("1","4","5","2","4","6","5","1") = "5"
    & skf21("1","4","5","2","4","6","6","1") = "5"
    & skf21("1","4","5","2","4","6","7","1") = "6"
    & skf21("1","4","5","2","4","7","1","1") = "6"
    & skf21("1","4","5","2","4","7","2","1") = "6"
    & skf21("1","4","5","2","4","7","3","1") = "6"
    & skf21("1","4","5","2","4","7","4","1") = "6"
    & skf21("1","4","5","2","4","7","5","1") = "6"
    & skf21("1","4","5","2","4","7","6","1") = "6"
    & skf21("1","4","5","2","4","7","7","1") = "6"
    & skf21("1","4","5","2","5","1","1","1") = "4"
    & skf21("1","4","5","2","5","1","2","1") = "4"
    & skf21("1","4","5","2","5","1","3","1") = "4"
    & skf21("1","4","5","2","5","1","4","1") = "4"
    & skf21("1","4","5","2","5","1","5","1") = "4"
    & skf21("1","4","5","2","5","1","6","1") = "5"
    & skf21("1","4","5","2","5","1","7","1") = "6"
    & skf21("1","4","5","2","5","2","1","1") = "4"
    & skf21("1","4","5","2","5","2","2","1") = "4"
    & skf21("1","4","5","2","5","2","3","1") = "4"
    & skf21("1","4","5","2","5","2","4","1") = "4"
    & skf21("1","4","5","2","5","2","5","1") = "4"
    & skf21("1","4","5","2","5","2","6","1") = "5"
    & skf21("1","4","5","2","5","2","7","1") = "6"
    & skf21("1","4","5","2","5","3","1","1") = "4"
    & skf21("1","4","5","2","5","3","2","1") = "4"
    & skf21("1","4","5","2","5","3","3","1") = "4"
    & skf21("1","4","5","2","5","3","4","1") = "4"
    & skf21("1","4","5","2","5","3","5","1") = "4"
    & skf21("1","4","5","2","5","3","6","1") = "5"
    & skf21("1","4","5","2","5","3","7","1") = "6"
    & skf21("1","4","5","2","5","4","1","1") = "4"
    & skf21("1","4","5","2","5","4","2","1") = "4"
    & skf21("1","4","5","2","5","4","3","1") = "4"
    & skf21("1","4","5","2","5","4","4","1") = "4"
    & skf21("1","4","5","2","5","4","5","1") = "4"
    & skf21("1","4","5","2","5","4","6","1") = "5"
    & skf21("1","4","5","2","5","4","7","1") = "6"
    & skf21("1","4","5","2","5","5","1","1") = "4"
    & skf21("1","4","5","2","5","5","2","1") = "4"
    & skf21("1","4","5","2","5","5","3","1") = "4"
    & skf21("1","4","5","2","5","5","4","1") = "4"
    & skf21("1","4","5","2","5","5","5","1") = "4"
    & skf21("1","4","5","2","5","5","6","1") = "5"
    & skf21("1","4","5","2","5","5","7","1") = "6"
    & skf21("1","4","5","2","5","6","1","1") = "5"
    & skf21("1","4","5","2","5","6","2","1") = "5"
    & skf21("1","4","5","2","5","6","3","1") = "5"
    & skf21("1","4","5","2","5","6","4","1") = "5"
    & skf21("1","4","5","2","5","6","5","1") = "5"
    & skf21("1","4","5","2","5","6","6","1") = "5"
    & skf21("1","4","5","2","5","6","7","1") = "6"
    & skf21("1","4","5","2","5","7","1","1") = "6"
    & skf21("1","4","5","2","5","7","2","1") = "6"
    & skf21("1","4","5","2","5","7","3","1") = "6"
    & skf21("1","4","5","2","5","7","4","1") = "6"
    & skf21("1","4","5","2","5","7","5","1") = "6"
    & skf21("1","4","5","2","5","7","6","1") = "6"
    & skf21("1","4","5","2","5","7","7","1") = "6"
    & skf21("1","4","5","2","6","1","1","1") = "5"
    & skf21("1","4","5","2","6","1","2","1") = "5"
    & skf21("1","4","5","2","6","1","3","1") = "5"
    & skf21("1","4","5","2","6","1","4","1") = "5"
    & skf21("1","4","5","2","6","1","5","1") = "5"
    & skf21("1","4","5","2","6","1","6","1") = "5"
    & skf21("1","4","5","2","6","1","7","1") = "6"
    & skf21("1","4","5","2","6","2","1","1") = "5"
    & skf21("1","4","5","2","6","2","2","1") = "5"
    & skf21("1","4","5","2","6","2","3","1") = "5"
    & skf21("1","4","5","2","6","2","4","1") = "5"
    & skf21("1","4","5","2","6","2","5","1") = "5"
    & skf21("1","4","5","2","6","2","6","1") = "5"
    & skf21("1","4","5","2","6","2","7","1") = "6"
    & skf21("1","4","5","2","6","3","1","1") = "5"
    & skf21("1","4","5","2","6","3","2","1") = "5"
    & skf21("1","4","5","2","6","3","3","1") = "5"
    & skf21("1","4","5","2","6","3","4","1") = "5"
    & skf21("1","4","5","2","6","3","5","1") = "5"
    & skf21("1","4","5","2","6","3","6","1") = "5"
    & skf21("1","4","5","2","6","3","7","1") = "6"
    & skf21("1","4","5","2","6","4","1","1") = "5"
    & skf21("1","4","5","2","6","4","2","1") = "5"
    & skf21("1","4","5","2","6","4","3","1") = "5"
    & skf21("1","4","5","2","6","4","4","1") = "5"
    & skf21("1","4","5","2","6","4","5","1") = "5"
    & skf21("1","4","5","2","6","4","6","1") = "5"
    & skf21("1","4","5","2","6","4","7","1") = "6"
    & skf21("1","4","5","2","6","5","1","1") = "5"
    & skf21("1","4","5","2","6","5","2","1") = "5"
    & skf21("1","4","5","2","6","5","3","1") = "5"
    & skf21("1","4","5","2","6","5","4","1") = "5"
    & skf21("1","4","5","2","6","5","5","1") = "5"
    & skf21("1","4","5","2","6","5","6","1") = "5"
    & skf21("1","4","5","2","6","5","7","1") = "6"
    & skf21("1","4","5","2","6","6","1","1") = "5"
    & skf21("1","4","5","2","6","6","2","1") = "5"
    & skf21("1","4","5","2","6","6","3","1") = "5"
    & skf21("1","4","5","2","6","6","4","1") = "5"
    & skf21("1","4","5","2","6","6","5","1") = "5"
    & skf21("1","4","5","2","6","6","6","1") = "5"
    & skf21("1","4","5","2","6","6","7","1") = "6"
    & skf21("1","4","5","2","6","7","1","1") = "6"
    & skf21("1","4","5","2","6","7","2","1") = "6"
    & skf21("1","4","5","2","6","7","3","1") = "6"
    & skf21("1","4","5","2","6","7","4","1") = "6"
    & skf21("1","4","5","2","6","7","5","1") = "6"
    & skf21("1","4","5","2","6","7","6","1") = "6"
    & skf21("1","4","5","2","6","7","7","1") = "6"
    & skf21("1","4","5","2","7","1","1","1") = "6"
    & skf21("1","4","5","2","7","1","2","1") = "6"
    & skf21("1","4","5","2","7","1","3","1") = "6"
    & skf21("1","4","5","2","7","1","4","1") = "6"
    & skf21("1","4","5","2","7","1","5","1") = "6"
    & skf21("1","4","5","2","7","1","6","1") = "6"
    & skf21("1","4","5","2","7","1","7","1") = "6"
    & skf21("1","4","5","2","7","2","1","1") = "6"
    & skf21("1","4","5","2","7","2","2","1") = "6"
    & skf21("1","4","5","2","7","2","3","1") = "6"
    & skf21("1","4","5","2","7","2","4","1") = "6"
    & skf21("1","4","5","2","7","2","5","1") = "6"
    & skf21("1","4","5","2","7","2","6","1") = "6"
    & skf21("1","4","5","2","7","2","7","1") = "6"
    & skf21("1","4","5","2","7","3","1","1") = "6"
    & skf21("1","4","5","2","7","3","2","1") = "6"
    & skf21("1","4","5","2","7","3","3","1") = "6"
    & skf21("1","4","5","2","7","3","4","1") = "6"
    & skf21("1","4","5","2","7","3","5","1") = "6"
    & skf21("1","4","5","2","7","3","6","1") = "6"
    & skf21("1","4","5","2","7","3","7","1") = "6"
    & skf21("1","4","5","2","7","4","1","1") = "6"
    & skf21("1","4","5","2","7","4","2","1") = "6"
    & skf21("1","4","5","2","7","4","3","1") = "6"
    & skf21("1","4","5","2","7","4","4","1") = "6"
    & skf21("1","4","5","2","7","4","5","1") = "6"
    & skf21("1","4","5","2","7","4","6","1") = "6"
    & skf21("1","4","5","2","7","4","7","1") = "6"
    & skf21("1","4","5","2","7","5","1","1") = "6"
    & skf21("1","4","5","2","7","5","2","1") = "6"
    & skf21("1","4","5","2","7","5","3","1") = "6"
    & skf21("1","4","5","2","7","5","4","1") = "6"
    & skf21("1","4","5","2","7","5","5","1") = "6"
    & skf21("1","4","5","2","7","5","6","1") = "6"
    & skf21("1","4","5","2","7","5","7","1") = "6"
    & skf21("1","4","5","2","7","6","1","1") = "6"
    & skf21("1","4","5","2","7","6","2","1") = "6"
    & skf21("1","4","5","2","7","6","3","1") = "6"
    & skf21("1","4","5","2","7","6","4","1") = "6"
    & skf21("1","4","5","2","7","6","5","1") = "6"
    & skf21("1","4","5","2","7","6","6","1") = "6"
    & skf21("1","4","5","2","7","6","7","1") = "6"
    & skf21("1","4","5","2","7","7","1","1") = "6"
    & skf21("1","4","5","2","7","7","2","1") = "6"
    & skf21("1","4","5","2","7","7","3","1") = "6"
    & skf21("1","4","5","2","7","7","4","1") = "6"
    & skf21("1","4","5","2","7","7","5","1") = "6"
    & skf21("1","4","5","2","7","7","6","1") = "6"
    & skf21("1","4","5","2","7","7","7","1") = "6"
    & skf21("1","4","5","3","1","1","1","1") = "4"
    & skf21("1","4","5","3","1","1","2","1") = "4"
    & skf21("1","4","5","3","1","1","3","1") = "4"
    & skf21("1","4","5","3","1","1","4","1") = "4"
    & skf21("1","4","5","3","1","1","5","1") = "4"
    & skf21("1","4","5","3","1","1","6","1") = "5"
    & skf21("1","4","5","3","1","1","7","1") = "6"
    & skf21("1","4","5","3","1","2","1","1") = "4"
    & skf21("1","4","5","3","1","2","2","1") = "4"
    & skf21("1","4","5","3","1","2","3","1") = "4"
    & skf21("1","4","5","3","1","2","4","1") = "4"
    & skf21("1","4","5","3","1","2","5","1") = "4"
    & skf21("1","4","5","3","1","2","6","1") = "5"
    & skf21("1","4","5","3","1","2","7","1") = "6"
    & skf21("1","4","5","3","1","3","1","1") = "4"
    & skf21("1","4","5","3","1","3","2","1") = "4"
    & skf21("1","4","5","3","1","3","3","1") = "4"
    & skf21("1","4","5","3","1","3","4","1") = "4"
    & skf21("1","4","5","3","1","3","5","1") = "4"
    & skf21("1","4","5","3","1","3","6","1") = "5"
    & skf21("1","4","5","3","1","3","7","1") = "6"
    & skf21("1","4","5","3","1","4","1","1") = "4"
    & skf21("1","4","5","3","1","4","2","1") = "4"
    & skf21("1","4","5","3","1","4","3","1") = "4"
    & skf21("1","4","5","3","1","4","4","1") = "4"
    & skf21("1","4","5","3","1","4","5","1") = "4"
    & skf21("1","4","5","3","1","4","6","1") = "5"
    & skf21("1","4","5","3","1","4","7","1") = "6"
    & skf21("1","4","5","3","1","5","1","1") = "4"
    & skf21("1","4","5","3","1","5","2","1") = "4"
    & skf21("1","4","5","3","1","5","3","1") = "4"
    & skf21("1","4","5","3","1","5","4","1") = "4"
    & skf21("1","4","5","3","1","5","5","1") = "4"
    & skf21("1","4","5","3","1","5","6","1") = "5"
    & skf21("1","4","5","3","1","5","7","1") = "6"
    & skf21("1","4","5","3","1","6","1","1") = "5"
    & skf21("1","4","5","3","1","6","2","1") = "5"
    & skf21("1","4","5","3","1","6","3","1") = "5"
    & skf21("1","4","5","3","1","6","4","1") = "5"
    & skf21("1","4","5","3","1","6","5","1") = "5"
    & skf21("1","4","5","3","1","6","6","1") = "5"
    & skf21("1","4","5","3","1","6","7","1") = "6"
    & skf21("1","4","5","3","1","7","1","1") = "6"
    & skf21("1","4","5","3","1","7","2","1") = "6"
    & skf21("1","4","5","3","1","7","3","1") = "6"
    & skf21("1","4","5","3","1","7","4","1") = "6"
    & skf21("1","4","5","3","1","7","5","1") = "6"
    & skf21("1","4","5","3","1","7","6","1") = "6"
    & skf21("1","4","5","3","1","7","7","1") = "6"
    & skf21("1","4","5","3","2","1","1","1") = "4"
    & skf21("1","4","5","3","2","1","2","1") = "4"
    & skf21("1","4","5","3","2","1","3","1") = "4"
    & skf21("1","4","5","3","2","1","4","1") = "4"
    & skf21("1","4","5","3","2","1","5","1") = "4"
    & skf21("1","4","5","3","2","1","6","1") = "5"
    & skf21("1","4","5","3","2","1","7","1") = "6"
    & skf21("1","4","5","3","2","2","1","1") = "4"
    & skf21("1","4","5","3","2","2","2","1") = "4"
    & skf21("1","4","5","3","2","2","3","1") = "4"
    & skf21("1","4","5","3","2","2","4","1") = "4"
    & skf21("1","4","5","3","2","2","5","1") = "4"
    & skf21("1","4","5","3","2","2","6","1") = "5"
    & skf21("1","4","5","3","2","2","7","1") = "6"
    & skf21("1","4","5","3","2","3","1","1") = "4"
    & skf21("1","4","5","3","2","3","2","1") = "4"
    & skf21("1","4","5","3","2","3","3","1") = "4"
    & skf21("1","4","5","3","2","3","4","1") = "4"
    & skf21("1","4","5","3","2","3","5","1") = "4"
    & skf21("1","4","5","3","2","3","6","1") = "5"
    & skf21("1","4","5","3","2","3","7","1") = "6"
    & skf21("1","4","5","3","2","4","1","1") = "4"
    & skf21("1","4","5","3","2","4","2","1") = "4"
    & skf21("1","4","5","3","2","4","3","1") = "4"
    & skf21("1","4","5","3","2","4","4","1") = "4"
    & skf21("1","4","5","3","2","4","5","1") = "4"
    & skf21("1","4","5","3","2","4","6","1") = "5"
    & skf21("1","4","5","3","2","4","7","1") = "6"
    & skf21("1","4","5","3","2","5","1","1") = "4"
    & skf21("1","4","5","3","2","5","2","1") = "4"
    & skf21("1","4","5","3","2","5","3","1") = "4"
    & skf21("1","4","5","3","2","5","4","1") = "4"
    & skf21("1","4","5","3","2","5","5","1") = "4"
    & skf21("1","4","5","3","2","5","6","1") = "5"
    & skf21("1","4","5","3","2","5","7","1") = "6"
    & skf21("1","4","5","3","2","6","1","1") = "5"
    & skf21("1","4","5","3","2","6","2","1") = "5"
    & skf21("1","4","5","3","2","6","3","1") = "5"
    & skf21("1","4","5","3","2","6","4","1") = "5"
    & skf21("1","4","5","3","2","6","5","1") = "5"
    & skf21("1","4","5","3","2","6","6","1") = "5"
    & skf21("1","4","5","3","2","6","7","1") = "6"
    & skf21("1","4","5","3","2","7","1","1") = "6"
    & skf21("1","4","5","3","2","7","2","1") = "6"
    & skf21("1","4","5","3","2","7","3","1") = "6"
    & skf21("1","4","5","3","2","7","4","1") = "6"
    & skf21("1","4","5","3","2","7","5","1") = "6"
    & skf21("1","4","5","3","2","7","6","1") = "6"
    & skf21("1","4","5","3","2","7","7","1") = "6"
    & skf21("1","4","5","3","3","1","1","1") = "4"
    & skf21("1","4","5","3","3","1","2","1") = "4"
    & skf21("1","4","5","3","3","1","3","1") = "4"
    & skf21("1","4","5","3","3","1","4","1") = "4"
    & skf21("1","4","5","3","3","1","5","1") = "4"
    & skf21("1","4","5","3","3","1","6","1") = "5"
    & skf21("1","4","5","3","3","1","7","1") = "6"
    & skf21("1","4","5","3","3","2","1","1") = "4"
    & skf21("1","4","5","3","3","2","2","1") = "4"
    & skf21("1","4","5","3","3","2","3","1") = "4"
    & skf21("1","4","5","3","3","2","4","1") = "4"
    & skf21("1","4","5","3","3","2","5","1") = "4"
    & skf21("1","4","5","3","3","2","6","1") = "5"
    & skf21("1","4","5","3","3","2","7","1") = "6"
    & skf21("1","4","5","3","3","3","1","1") = "4"
    & skf21("1","4","5","3","3","3","2","1") = "4"
    & skf21("1","4","5","3","3","3","3","1") = "4"
    & skf21("1","4","5","3","3","3","4","1") = "4"
    & skf21("1","4","5","3","3","3","5","1") = "4"
    & skf21("1","4","5","3","3","3","6","1") = "5"
    & skf21("1","4","5","3","3","3","7","1") = "6"
    & skf21("1","4","5","3","3","4","1","1") = "4"
    & skf21("1","4","5","3","3","4","2","1") = "4"
    & skf21("1","4","5","3","3","4","3","1") = "4"
    & skf21("1","4","5","3","3","4","4","1") = "4"
    & skf21("1","4","5","3","3","4","5","1") = "4"
    & skf21("1","4","5","3","3","4","6","1") = "5"
    & skf21("1","4","5","3","3","4","7","1") = "6"
    & skf21("1","4","5","3","3","5","1","1") = "4"
    & skf21("1","4","5","3","3","5","2","1") = "4"
    & skf21("1","4","5","3","3","5","3","1") = "4"
    & skf21("1","4","5","3","3","5","4","1") = "4"
    & skf21("1","4","5","3","3","5","5","1") = "4"
    & skf21("1","4","5","3","3","5","6","1") = "5"
    & skf21("1","4","5","3","3","5","7","1") = "6"
    & skf21("1","4","5","3","3","6","1","1") = "5"
    & skf21("1","4","5","3","3","6","2","1") = "5"
    & skf21("1","4","5","3","3","6","3","1") = "5"
    & skf21("1","4","5","3","3","6","4","1") = "5"
    & skf21("1","4","5","3","3","6","5","1") = "5"
    & skf21("1","4","5","3","3","6","6","1") = "5"
    & skf21("1","4","5","3","3","6","7","1") = "6"
    & skf21("1","4","5","3","3","7","1","1") = "6"
    & skf21("1","4","5","3","3","7","2","1") = "6"
    & skf21("1","4","5","3","3","7","3","1") = "6"
    & skf21("1","4","5","3","3","7","4","1") = "6"
    & skf21("1","4","5","3","3","7","5","1") = "6"
    & skf21("1","4","5","3","3","7","6","1") = "6"
    & skf21("1","4","5","3","3","7","7","1") = "6"
    & skf21("1","4","5","3","4","1","1","1") = "4"
    & skf21("1","4","5","3","4","1","2","1") = "4"
    & skf21("1","4","5","3","4","1","3","1") = "4"
    & skf21("1","4","5","3","4","1","4","1") = "4"
    & skf21("1","4","5","3","4","1","5","1") = "4"
    & skf21("1","4","5","3","4","1","6","1") = "5"
    & skf21("1","4","5","3","4","1","7","1") = "6"
    & skf21("1","4","5","3","4","2","1","1") = "4"
    & skf21("1","4","5","3","4","2","2","1") = "4"
    & skf21("1","4","5","3","4","2","3","1") = "4"
    & skf21("1","4","5","3","4","2","4","1") = "4"
    & skf21("1","4","5","3","4","2","5","1") = "4"
    & skf21("1","4","5","3","4","2","6","1") = "5"
    & skf21("1","4","5","3","4","2","7","1") = "6"
    & skf21("1","4","5","3","4","3","1","1") = "4"
    & skf21("1","4","5","3","4","3","2","1") = "4"
    & skf21("1","4","5","3","4","3","3","1") = "4"
    & skf21("1","4","5","3","4","3","4","1") = "4"
    & skf21("1","4","5","3","4","3","5","1") = "4"
    & skf21("1","4","5","3","4","3","6","1") = "5"
    & skf21("1","4","5","3","4","3","7","1") = "6"
    & skf21("1","4","5","3","4","4","1","1") = "4"
    & skf21("1","4","5","3","4","4","2","1") = "4"
    & skf21("1","4","5","3","4","4","3","1") = "4"
    & skf21("1","4","5","3","4","4","4","1") = "4"
    & skf21("1","4","5","3","4","4","5","1") = "4"
    & skf21("1","4","5","3","4","4","6","1") = "5"
    & skf21("1","4","5","3","4","4","7","1") = "6"
    & skf21("1","4","5","3","4","5","1","1") = "4"
    & skf21("1","4","5","3","4","5","2","1") = "4"
    & skf21("1","4","5","3","4","5","3","1") = "4"
    & skf21("1","4","5","3","4","5","4","1") = "4"
    & skf21("1","4","5","3","4","5","5","1") = "4"
    & skf21("1","4","5","3","4","5","6","1") = "5"
    & skf21("1","4","5","3","4","5","7","1") = "6"
    & skf21("1","4","5","3","4","6","1","1") = "5"
    & skf21("1","4","5","3","4","6","2","1") = "5"
    & skf21("1","4","5","3","4","6","3","1") = "5"
    & skf21("1","4","5","3","4","6","4","1") = "5"
    & skf21("1","4","5","3","4","6","5","1") = "5"
    & skf21("1","4","5","3","4","6","6","1") = "5"
    & skf21("1","4","5","3","4","6","7","1") = "6"
    & skf21("1","4","5","3","4","7","1","1") = "6"
    & skf21("1","4","5","3","4","7","2","1") = "6"
    & skf21("1","4","5","3","4","7","3","1") = "6"
    & skf21("1","4","5","3","4","7","4","1") = "6"
    & skf21("1","4","5","3","4","7","5","1") = "6"
    & skf21("1","4","5","3","4","7","6","1") = "6"
    & skf21("1","4","5","3","4","7","7","1") = "6"
    & skf21("1","4","5","3","5","1","1","1") = "4"
    & skf21("1","4","5","3","5","1","2","1") = "4"
    & skf21("1","4","5","3","5","1","3","1") = "4"
    & skf21("1","4","5","3","5","1","4","1") = "4"
    & skf21("1","4","5","3","5","1","5","1") = "4"
    & skf21("1","4","5","3","5","1","6","1") = "5"
    & skf21("1","4","5","3","5","1","7","1") = "6"
    & skf21("1","4","5","3","5","2","1","1") = "4"
    & skf21("1","4","5","3","5","2","2","1") = "4"
    & skf21("1","4","5","3","5","2","3","1") = "4"
    & skf21("1","4","5","3","5","2","4","1") = "4"
    & skf21("1","4","5","3","5","2","5","1") = "4"
    & skf21("1","4","5","3","5","2","6","1") = "5"
    & skf21("1","4","5","3","5","2","7","1") = "6"
    & skf21("1","4","5","3","5","3","1","1") = "4"
    & skf21("1","4","5","3","5","3","2","1") = "4"
    & skf21("1","4","5","3","5","3","3","1") = "4"
    & skf21("1","4","5","3","5","3","4","1") = "4"
    & skf21("1","4","5","3","5","3","5","1") = "4"
    & skf21("1","4","5","3","5","3","6","1") = "5"
    & skf21("1","4","5","3","5","3","7","1") = "6"
    & skf21("1","4","5","3","5","4","1","1") = "4"
    & skf21("1","4","5","3","5","4","2","1") = "4"
    & skf21("1","4","5","3","5","4","3","1") = "4"
    & skf21("1","4","5","3","5","4","4","1") = "4"
    & skf21("1","4","5","3","5","4","5","1") = "4"
    & skf21("1","4","5","3","5","4","6","1") = "5"
    & skf21("1","4","5","3","5","4","7","1") = "6"
    & skf21("1","4","5","3","5","5","1","1") = "4"
    & skf21("1","4","5","3","5","5","2","1") = "4"
    & skf21("1","4","5","3","5","5","3","1") = "4"
    & skf21("1","4","5","3","5","5","4","1") = "4"
    & skf21("1","4","5","3","5","5","5","1") = "4"
    & skf21("1","4","5","3","5","5","6","1") = "5"
    & skf21("1","4","5","3","5","5","7","1") = "6"
    & skf21("1","4","5","3","5","6","1","1") = "5"
    & skf21("1","4","5","3","5","6","2","1") = "5"
    & skf21("1","4","5","3","5","6","3","1") = "5"
    & skf21("1","4","5","3","5","6","4","1") = "5"
    & skf21("1","4","5","3","5","6","5","1") = "5"
    & skf21("1","4","5","3","5","6","6","1") = "5"
    & skf21("1","4","5","3","5","6","7","1") = "6"
    & skf21("1","4","5","3","5","7","1","1") = "6"
    & skf21("1","4","5","3","5","7","2","1") = "6"
    & skf21("1","4","5","3","5","7","3","1") = "6"
    & skf21("1","4","5","3","5","7","4","1") = "6"
    & skf21("1","4","5","3","5","7","5","1") = "6"
    & skf21("1","4","5","3","5","7","6","1") = "6"
    & skf21("1","4","5","3","5","7","7","1") = "6"
    & skf21("1","4","5","3","6","1","1","1") = "5"
    & skf21("1","4","5","3","6","1","2","1") = "5"
    & skf21("1","4","5","3","6","1","3","1") = "5"
    & skf21("1","4","5","3","6","1","4","1") = "5"
    & skf21("1","4","5","3","6","1","5","1") = "5"
    & skf21("1","4","5","3","6","1","6","1") = "5"
    & skf21("1","4","5","3","6","1","7","1") = "6"
    & skf21("1","4","5","3","6","2","1","1") = "5"
    & skf21("1","4","5","3","6","2","2","1") = "5"
    & skf21("1","4","5","3","6","2","3","1") = "5"
    & skf21("1","4","5","3","6","2","4","1") = "5"
    & skf21("1","4","5","3","6","2","5","1") = "5"
    & skf21("1","4","5","3","6","2","6","1") = "5"
    & skf21("1","4","5","3","6","2","7","1") = "6"
    & skf21("1","4","5","3","6","3","1","1") = "5"
    & skf21("1","4","5","3","6","3","2","1") = "5"
    & skf21("1","4","5","3","6","3","3","1") = "5"
    & skf21("1","4","5","3","6","3","4","1") = "5"
    & skf21("1","4","5","3","6","3","5","1") = "5"
    & skf21("1","4","5","3","6","3","6","1") = "5"
    & skf21("1","4","5","3","6","3","7","1") = "6"
    & skf21("1","4","5","3","6","4","1","1") = "5"
    & skf21("1","4","5","3","6","4","2","1") = "5"
    & skf21("1","4","5","3","6","4","3","1") = "5"
    & skf21("1","4","5","3","6","4","4","1") = "5"
    & skf21("1","4","5","3","6","4","5","1") = "5"
    & skf21("1","4","5","3","6","4","6","1") = "5"
    & skf21("1","4","5","3","6","4","7","1") = "6"
    & skf21("1","4","5","3","6","5","1","1") = "5"
    & skf21("1","4","5","3","6","5","2","1") = "5"
    & skf21("1","4","5","3","6","5","3","1") = "5"
    & skf21("1","4","5","3","6","5","4","1") = "5"
    & skf21("1","4","5","3","6","5","5","1") = "5"
    & skf21("1","4","5","3","6","5","6","1") = "5"
    & skf21("1","4","5","3","6","5","7","1") = "6"
    & skf21("1","4","5","3","6","6","1","1") = "5"
    & skf21("1","4","5","3","6","6","2","1") = "5"
    & skf21("1","4","5","3","6","6","3","1") = "5"
    & skf21("1","4","5","3","6","6","4","1") = "5"
    & skf21("1","4","5","3","6","6","5","1") = "5"
    & skf21("1","4","5","3","6","6","6","1") = "5"
    & skf21("1","4","5","3","6","6","7","1") = "6"
    & skf21("1","4","5","3","6","7","1","1") = "6"
    & skf21("1","4","5","3","6","7","2","1") = "6"
    & skf21("1","4","5","3","6","7","3","1") = "6"
    & skf21("1","4","5","3","6","7","4","1") = "6"
    & skf21("1","4","5","3","6","7","5","1") = "6"
    & skf21("1","4","5","3","6","7","6","1") = "6"
    & skf21("1","4","5","3","6","7","7","1") = "6"
    & skf21("1","4","5","3","7","1","1","1") = "6"
    & skf21("1","4","5","3","7","1","2","1") = "6"
    & skf21("1","4","5","3","7","1","3","1") = "6"
    & skf21("1","4","5","3","7","1","4","1") = "6"
    & skf21("1","4","5","3","7","1","5","1") = "6"
    & skf21("1","4","5","3","7","1","6","1") = "6"
    & skf21("1","4","5","3","7","1","7","1") = "6"
    & skf21("1","4","5","3","7","2","1","1") = "6"
    & skf21("1","4","5","3","7","2","2","1") = "6"
    & skf21("1","4","5","3","7","2","3","1") = "6"
    & skf21("1","4","5","3","7","2","4","1") = "6"
    & skf21("1","4","5","3","7","2","5","1") = "6"
    & skf21("1","4","5","3","7","2","6","1") = "6"
    & skf21("1","4","5","3","7","2","7","1") = "6"
    & skf21("1","4","5","3","7","3","1","1") = "6"
    & skf21("1","4","5","3","7","3","2","1") = "6"
    & skf21("1","4","5","3","7","3","3","1") = "6"
    & skf21("1","4","5","3","7","3","4","1") = "6"
    & skf21("1","4","5","3","7","3","5","1") = "6"
    & skf21("1","4","5","3","7","3","6","1") = "6"
    & skf21("1","4","5","3","7","3","7","1") = "6"
    & skf21("1","4","5","3","7","4","1","1") = "6"
    & skf21("1","4","5","3","7","4","2","1") = "6"
    & skf21("1","4","5","3","7","4","3","1") = "6"
    & skf21("1","4","5","3","7","4","4","1") = "6"
    & skf21("1","4","5","3","7","4","5","1") = "6"
    & skf21("1","4","5","3","7","4","6","1") = "6"
    & skf21("1","4","5","3","7","4","7","1") = "6"
    & skf21("1","4","5","3","7","5","1","1") = "6"
    & skf21("1","4","5","3","7","5","2","1") = "6"
    & skf21("1","4","5","3","7","5","3","1") = "6"
    & skf21("1","4","5","3","7","5","4","1") = "6"
    & skf21("1","4","5","3","7","5","5","1") = "6"
    & skf21("1","4","5","3","7","5","6","1") = "6"
    & skf21("1","4","5","3","7","5","7","1") = "6"
    & skf21("1","4","5","3","7","6","1","1") = "6"
    & skf21("1","4","5","3","7","6","2","1") = "6"
    & skf21("1","4","5","3","7","6","3","1") = "6"
    & skf21("1","4","5","3","7","6","4","1") = "6"
    & skf21("1","4","5","3","7","6","5","1") = "6"
    & skf21("1","4","5","3","7","6","6","1") = "6"
    & skf21("1","4","5","3","7","6","7","1") = "6"
    & skf21("1","4","5","3","7","7","1","1") = "6"
    & skf21("1","4","5","3","7","7","2","1") = "6"
    & skf21("1","4","5","3","7","7","3","1") = "6"
    & skf21("1","4","5","3","7","7","4","1") = "6"
    & skf21("1","4","5","3","7","7","5","1") = "6"
    & skf21("1","4","5","3","7","7","6","1") = "6"
    & skf21("1","4","5","3","7","7","7","1") = "6"
    & skf21("1","4","5","4","1","1","1","1") = "4"
    & skf21("1","4","5","4","1","1","2","1") = "4"
    & skf21("1","4","5","4","1","1","3","1") = "4"
    & skf21("1","4","5","4","1","1","4","1") = "4"
    & skf21("1","4","5","4","1","1","5","1") = "4"
    & skf21("1","4","5","4","1","1","6","1") = "5"
    & skf21("1","4","5","4","1","1","7","1") = "6"
    & skf21("1","4","5","4","1","2","1","1") = "4"
    & skf21("1","4","5","4","1","2","2","1") = "4"
    & skf21("1","4","5","4","1","2","3","1") = "4"
    & skf21("1","4","5","4","1","2","4","1") = "4"
    & skf21("1","4","5","4","1","2","5","1") = "4"
    & skf21("1","4","5","4","1","2","6","1") = "5"
    & skf21("1","4","5","4","1","2","7","1") = "6"
    & skf21("1","4","5","4","1","3","1","1") = "4"
    & skf21("1","4","5","4","1","3","2","1") = "4"
    & skf21("1","4","5","4","1","3","3","1") = "4"
    & skf21("1","4","5","4","1","3","4","1") = "4"
    & skf21("1","4","5","4","1","3","5","1") = "4"
    & skf21("1","4","5","4","1","3","6","1") = "5"
    & skf21("1","4","5","4","1","3","7","1") = "6"
    & skf21("1","4","5","4","1","4","1","1") = "4"
    & skf21("1","4","5","4","1","4","2","1") = "4"
    & skf21("1","4","5","4","1","4","3","1") = "4"
    & skf21("1","4","5","4","1","4","4","1") = "4"
    & skf21("1","4","5","4","1","4","5","1") = "4"
    & skf21("1","4","5","4","1","4","6","1") = "5"
    & skf21("1","4","5","4","1","4","7","1") = "6"
    & skf21("1","4","5","4","1","5","1","1") = "4"
    & skf21("1","4","5","4","1","5","2","1") = "4"
    & skf21("1","4","5","4","1","5","3","1") = "4"
    & skf21("1","4","5","4","1","5","4","1") = "4"
    & skf21("1","4","5","4","1","5","5","1") = "4"
    & skf21("1","4","5","4","1","5","6","1") = "5"
    & skf21("1","4","5","4","1","5","7","1") = "6"
    & skf21("1","4","5","4","1","6","1","1") = "5"
    & skf21("1","4","5","4","1","6","2","1") = "5"
    & skf21("1","4","5","4","1","6","3","1") = "5"
    & skf21("1","4","5","4","1","6","4","1") = "5"
    & skf21("1","4","5","4","1","6","5","1") = "5"
    & skf21("1","4","5","4","1","6","6","1") = "5"
    & skf21("1","4","5","4","1","6","7","1") = "6"
    & skf21("1","4","5","4","1","7","1","1") = "6"
    & skf21("1","4","5","4","1","7","2","1") = "6"
    & skf21("1","4","5","4","1","7","3","1") = "6"
    & skf21("1","4","5","4","1","7","4","1") = "6"
    & skf21("1","4","5","4","1","7","5","1") = "6"
    & skf21("1","4","5","4","1","7","6","1") = "6"
    & skf21("1","4","5","4","1","7","7","1") = "6"
    & skf21("1","4","5","4","2","1","1","1") = "4"
    & skf21("1","4","5","4","2","1","2","1") = "4"
    & skf21("1","4","5","4","2","1","3","1") = "4"
    & skf21("1","4","5","4","2","1","4","1") = "4"
    & skf21("1","4","5","4","2","1","5","1") = "4"
    & skf21("1","4","5","4","2","1","6","1") = "5"
    & skf21("1","4","5","4","2","1","7","1") = "6"
    & skf21("1","4","5","4","2","2","1","1") = "4"
    & skf21("1","4","5","4","2","2","2","1") = "4"
    & skf21("1","4","5","4","2","2","3","1") = "4"
    & skf21("1","4","5","4","2","2","4","1") = "4"
    & skf21("1","4","5","4","2","2","5","1") = "4"
    & skf21("1","4","5","4","2","2","6","1") = "5"
    & skf21("1","4","5","4","2","2","7","1") = "6"
    & skf21("1","4","5","4","2","3","1","1") = "4"
    & skf21("1","4","5","4","2","3","2","1") = "4"
    & skf21("1","4","5","4","2","3","3","1") = "4"
    & skf21("1","4","5","4","2","3","4","1") = "4"
    & skf21("1","4","5","4","2","3","5","1") = "4"
    & skf21("1","4","5","4","2","3","6","1") = "5"
    & skf21("1","4","5","4","2","3","7","1") = "6"
    & skf21("1","4","5","4","2","4","1","1") = "4"
    & skf21("1","4","5","4","2","4","2","1") = "4"
    & skf21("1","4","5","4","2","4","3","1") = "4"
    & skf21("1","4","5","4","2","4","4","1") = "4"
    & skf21("1","4","5","4","2","4","5","1") = "4"
    & skf21("1","4","5","4","2","4","6","1") = "5"
    & skf21("1","4","5","4","2","4","7","1") = "6"
    & skf21("1","4","5","4","2","5","1","1") = "4"
    & skf21("1","4","5","4","2","5","2","1") = "4"
    & skf21("1","4","5","4","2","5","3","1") = "4"
    & skf21("1","4","5","4","2","5","4","1") = "4"
    & skf21("1","4","5","4","2","5","5","1") = "4"
    & skf21("1","4","5","4","2","5","6","1") = "5"
    & skf21("1","4","5","4","2","5","7","1") = "6"
    & skf21("1","4","5","4","2","6","1","1") = "5"
    & skf21("1","4","5","4","2","6","2","1") = "5"
    & skf21("1","4","5","4","2","6","3","1") = "5"
    & skf21("1","4","5","4","2","6","4","1") = "5"
    & skf21("1","4","5","4","2","6","5","1") = "5"
    & skf21("1","4","5","4","2","6","6","1") = "5"
    & skf21("1","4","5","4","2","6","7","1") = "6"
    & skf21("1","4","5","4","2","7","1","1") = "6"
    & skf21("1","4","5","4","2","7","2","1") = "6"
    & skf21("1","4","5","4","2","7","3","1") = "6"
    & skf21("1","4","5","4","2","7","4","1") = "6"
    & skf21("1","4","5","4","2","7","5","1") = "6"
    & skf21("1","4","5","4","2","7","6","1") = "6"
    & skf21("1","4","5","4","2","7","7","1") = "6"
    & skf21("1","4","5","4","3","1","1","1") = "4"
    & skf21("1","4","5","4","3","1","2","1") = "4"
    & skf21("1","4","5","4","3","1","3","1") = "4"
    & skf21("1","4","5","4","3","1","4","1") = "4"
    & skf21("1","4","5","4","3","1","5","1") = "4"
    & skf21("1","4","5","4","3","1","6","1") = "5"
    & skf21("1","4","5","4","3","1","7","1") = "6"
    & skf21("1","4","5","4","3","2","1","1") = "4"
    & skf21("1","4","5","4","3","2","2","1") = "4"
    & skf21("1","4","5","4","3","2","3","1") = "4"
    & skf21("1","4","5","4","3","2","4","1") = "4"
    & skf21("1","4","5","4","3","2","5","1") = "4"
    & skf21("1","4","5","4","3","2","6","1") = "5"
    & skf21("1","4","5","4","3","2","7","1") = "6"
    & skf21("1","4","5","4","3","3","1","1") = "4"
    & skf21("1","4","5","4","3","3","2","1") = "4"
    & skf21("1","4","5","4","3","3","3","1") = "4"
    & skf21("1","4","5","4","3","3","4","1") = "4"
    & skf21("1","4","5","4","3","3","5","1") = "4"
    & skf21("1","4","5","4","3","3","6","1") = "5"
    & skf21("1","4","5","4","3","3","7","1") = "6"
    & skf21("1","4","5","4","3","4","1","1") = "4"
    & skf21("1","4","5","4","3","4","2","1") = "4"
    & skf21("1","4","5","4","3","4","3","1") = "4"
    & skf21("1","4","5","4","3","4","4","1") = "4"
    & skf21("1","4","5","4","3","4","5","1") = "4"
    & skf21("1","4","5","4","3","4","6","1") = "5"
    & skf21("1","4","5","4","3","4","7","1") = "6"
    & skf21("1","4","5","4","3","5","1","1") = "4"
    & skf21("1","4","5","4","3","5","2","1") = "4"
    & skf21("1","4","5","4","3","5","3","1") = "4"
    & skf21("1","4","5","4","3","5","4","1") = "4"
    & skf21("1","4","5","4","3","5","5","1") = "4"
    & skf21("1","4","5","4","3","5","6","1") = "5"
    & skf21("1","4","5","4","3","5","7","1") = "6"
    & skf21("1","4","5","4","3","6","1","1") = "5"
    & skf21("1","4","5","4","3","6","2","1") = "5"
    & skf21("1","4","5","4","3","6","3","1") = "5"
    & skf21("1","4","5","4","3","6","4","1") = "5"
    & skf21("1","4","5","4","3","6","5","1") = "5"
    & skf21("1","4","5","4","3","6","6","1") = "5"
    & skf21("1","4","5","4","3","6","7","1") = "6"
    & skf21("1","4","5","4","3","7","1","1") = "6"
    & skf21("1","4","5","4","3","7","2","1") = "6"
    & skf21("1","4","5","4","3","7","3","1") = "6"
    & skf21("1","4","5","4","3","7","4","1") = "6"
    & skf21("1","4","5","4","3","7","5","1") = "6"
    & skf21("1","4","5","4","3","7","6","1") = "6"
    & skf21("1","4","5","4","3","7","7","1") = "6"
    & skf21("1","4","5","4","4","1","1","1") = "4"
    & skf21("1","4","5","4","4","1","2","1") = "4"
    & skf21("1","4","5","4","4","1","3","1") = "4"
    & skf21("1","4","5","4","4","1","4","1") = "4"
    & skf21("1","4","5","4","4","1","5","1") = "4"
    & skf21("1","4","5","4","4","1","6","1") = "5"
    & skf21("1","4","5","4","4","1","7","1") = "6"
    & skf21("1","4","5","4","4","2","1","1") = "4"
    & skf21("1","4","5","4","4","2","2","1") = "4"
    & skf21("1","4","5","4","4","2","3","1") = "4"
    & skf21("1","4","5","4","4","2","4","1") = "4"
    & skf21("1","4","5","4","4","2","5","1") = "4"
    & skf21("1","4","5","4","4","2","6","1") = "5"
    & skf21("1","4","5","4","4","2","7","1") = "6"
    & skf21("1","4","5","4","4","3","1","1") = "4"
    & skf21("1","4","5","4","4","3","2","1") = "4"
    & skf21("1","4","5","4","4","3","3","1") = "4"
    & skf21("1","4","5","4","4","3","4","1") = "4"
    & skf21("1","4","5","4","4","3","5","1") = "4"
    & skf21("1","4","5","4","4","3","6","1") = "5"
    & skf21("1","4","5","4","4","3","7","1") = "6"
    & skf21("1","4","5","4","4","4","1","1") = "4"
    & skf21("1","4","5","4","4","4","2","1") = "4"
    & skf21("1","4","5","4","4","4","3","1") = "4"
    & skf21("1","4","5","4","4","4","4","1") = "4"
    & skf21("1","4","5","4","4","4","5","1") = "4"
    & skf21("1","4","5","4","4","4","6","1") = "5"
    & skf21("1","4","5","4","4","4","7","1") = "6"
    & skf21("1","4","5","4","4","5","1","1") = "4"
    & skf21("1","4","5","4","4","5","2","1") = "4"
    & skf21("1","4","5","4","4","5","3","1") = "4"
    & skf21("1","4","5","4","4","5","4","1") = "4"
    & skf21("1","4","5","4","4","5","5","1") = "4"
    & skf21("1","4","5","4","4","5","6","1") = "5"
    & skf21("1","4","5","4","4","5","7","1") = "6"
    & skf21("1","4","5","4","4","6","1","1") = "5"
    & skf21("1","4","5","4","4","6","2","1") = "5"
    & skf21("1","4","5","4","4","6","3","1") = "5"
    & skf21("1","4","5","4","4","6","4","1") = "5"
    & skf21("1","4","5","4","4","6","5","1") = "5"
    & skf21("1","4","5","4","4","6","6","1") = "5"
    & skf21("1","4","5","4","4","6","7","1") = "6"
    & skf21("1","4","5","4","4","7","1","1") = "6"
    & skf21("1","4","5","4","4","7","2","1") = "6"
    & skf21("1","4","5","4","4","7","3","1") = "6"
    & skf21("1","4","5","4","4","7","4","1") = "6"
    & skf21("1","4","5","4","4","7","5","1") = "6"
    & skf21("1","4","5","4","4","7","6","1") = "6"
    & skf21("1","4","5","4","4","7","7","1") = "6"
    & skf21("1","4","5","4","5","1","1","1") = "4"
    & skf21("1","4","5","4","5","1","2","1") = "4"
    & skf21("1","4","5","4","5","1","3","1") = "4"
    & skf21("1","4","5","4","5","1","4","1") = "4"
    & skf21("1","4","5","4","5","1","5","1") = "4"
    & skf21("1","4","5","4","5","1","6","1") = "5"
    & skf21("1","4","5","4","5","1","7","1") = "6"
    & skf21("1","4","5","4","5","2","1","1") = "4"
    & skf21("1","4","5","4","5","2","2","1") = "4"
    & skf21("1","4","5","4","5","2","3","1") = "4"
    & skf21("1","4","5","4","5","2","4","1") = "4"
    & skf21("1","4","5","4","5","2","5","1") = "4"
    & skf21("1","4","5","4","5","2","6","1") = "5"
    & skf21("1","4","5","4","5","2","7","1") = "6"
    & skf21("1","4","5","4","5","3","1","1") = "4"
    & skf21("1","4","5","4","5","3","2","1") = "4"
    & skf21("1","4","5","4","5","3","3","1") = "4"
    & skf21("1","4","5","4","5","3","4","1") = "4"
    & skf21("1","4","5","4","5","3","5","1") = "4"
    & skf21("1","4","5","4","5","3","6","1") = "5"
    & skf21("1","4","5","4","5","3","7","1") = "6"
    & skf21("1","4","5","4","5","4","1","1") = "4"
    & skf21("1","4","5","4","5","4","2","1") = "4"
    & skf21("1","4","5","4","5","4","3","1") = "4"
    & skf21("1","4","5","4","5","4","4","1") = "4"
    & skf21("1","4","5","4","5","4","5","1") = "4"
    & skf21("1","4","5","4","5","4","6","1") = "5"
    & skf21("1","4","5","4","5","4","7","1") = "6"
    & skf21("1","4","5","4","5","5","1","1") = "4"
    & skf21("1","4","5","4","5","5","2","1") = "4"
    & skf21("1","4","5","4","5","5","3","1") = "4"
    & skf21("1","4","5","4","5","5","4","1") = "4"
    & skf21("1","4","5","4","5","5","5","1") = "4"
    & skf21("1","4","5","4","5","5","6","1") = "5"
    & skf21("1","4","5","4","5","5","7","1") = "6"
    & skf21("1","4","5","4","5","6","1","1") = "5"
    & skf21("1","4","5","4","5","6","2","1") = "5"
    & skf21("1","4","5","4","5","6","3","1") = "5"
    & skf21("1","4","5","4","5","6","4","1") = "5"
    & skf21("1","4","5","4","5","6","5","1") = "5"
    & skf21("1","4","5","4","5","6","6","1") = "5"
    & skf21("1","4","5","4","5","6","7","1") = "6"
    & skf21("1","4","5","4","5","7","1","1") = "6"
    & skf21("1","4","5","4","5","7","2","1") = "6"
    & skf21("1","4","5","4","5","7","3","1") = "6"
    & skf21("1","4","5","4","5","7","4","1") = "6"
    & skf21("1","4","5","4","5","7","5","1") = "6"
    & skf21("1","4","5","4","5","7","6","1") = "6"
    & skf21("1","4","5","4","5","7","7","1") = "6"
    & skf21("1","4","5","4","6","1","1","1") = "5"
    & skf21("1","4","5","4","6","1","2","1") = "5"
    & skf21("1","4","5","4","6","1","3","1") = "5"
    & skf21("1","4","5","4","6","1","4","1") = "5"
    & skf21("1","4","5","4","6","1","5","1") = "5"
    & skf21("1","4","5","4","6","1","6","1") = "5"
    & skf21("1","4","5","4","6","1","7","1") = "6"
    & skf21("1","4","5","4","6","2","1","1") = "5"
    & skf21("1","4","5","4","6","2","2","1") = "5"
    & skf21("1","4","5","4","6","2","3","1") = "5"
    & skf21("1","4","5","4","6","2","4","1") = "5"
    & skf21("1","4","5","4","6","2","5","1") = "5"
    & skf21("1","4","5","4","6","2","6","1") = "5"
    & skf21("1","4","5","4","6","2","7","1") = "6"
    & skf21("1","4","5","4","6","3","1","1") = "5"
    & skf21("1","4","5","4","6","3","2","1") = "5"
    & skf21("1","4","5","4","6","3","3","1") = "5"
    & skf21("1","4","5","4","6","3","4","1") = "5"
    & skf21("1","4","5","4","6","3","5","1") = "5"
    & skf21("1","4","5","4","6","3","6","1") = "5"
    & skf21("1","4","5","4","6","3","7","1") = "6"
    & skf21("1","4","5","4","6","4","1","1") = "5"
    & skf21("1","4","5","4","6","4","2","1") = "5"
    & skf21("1","4","5","4","6","4","3","1") = "5"
    & skf21("1","4","5","4","6","4","4","1") = "5"
    & skf21("1","4","5","4","6","4","5","1") = "5"
    & skf21("1","4","5","4","6","4","6","1") = "5"
    & skf21("1","4","5","4","6","4","7","1") = "6"
    & skf21("1","4","5","4","6","5","1","1") = "5"
    & skf21("1","4","5","4","6","5","2","1") = "5"
    & skf21("1","4","5","4","6","5","3","1") = "5"
    & skf21("1","4","5","4","6","5","4","1") = "5"
    & skf21("1","4","5","4","6","5","5","1") = "5"
    & skf21("1","4","5","4","6","5","6","1") = "5"
    & skf21("1","4","5","4","6","5","7","1") = "6"
    & skf21("1","4","5","4","6","6","1","1") = "5"
    & skf21("1","4","5","4","6","6","2","1") = "5"
    & skf21("1","4","5","4","6","6","3","1") = "5"
    & skf21("1","4","5","4","6","6","4","1") = "5"
    & skf21("1","4","5","4","6","6","5","1") = "5"
    & skf21("1","4","5","4","6","6","6","1") = "5"
    & skf21("1","4","5","4","6","6","7","1") = "6"
    & skf21("1","4","5","4","6","7","1","1") = "6"
    & skf21("1","4","5","4","6","7","2","1") = "6"
    & skf21("1","4","5","4","6","7","3","1") = "6"
    & skf21("1","4","5","4","6","7","4","1") = "6"
    & skf21("1","4","5","4","6","7","5","1") = "6"
    & skf21("1","4","5","4","6","7","6","1") = "6"
    & skf21("1","4","5","4","6","7","7","1") = "6"
    & skf21("1","4","5","4","7","1","1","1") = "6"
    & skf21("1","4","5","4","7","1","2","1") = "6"
    & skf21("1","4","5","4","7","1","3","1") = "6"
    & skf21("1","4","5","4","7","1","4","1") = "6"
    & skf21("1","4","5","4","7","1","5","1") = "6"
    & skf21("1","4","5","4","7","1","6","1") = "6"
    & skf21("1","4","5","4","7","1","7","1") = "6"
    & skf21("1","4","5","4","7","2","1","1") = "6"
    & skf21("1","4","5","4","7","2","2","1") = "6"
    & skf21("1","4","5","4","7","2","3","1") = "6"
    & skf21("1","4","5","4","7","2","4","1") = "6"
    & skf21("1","4","5","4","7","2","5","1") = "6"
    & skf21("1","4","5","4","7","2","6","1") = "6"
    & skf21("1","4","5","4","7","2","7","1") = "6"
    & skf21("1","4","5","4","7","3","1","1") = "6"
    & skf21("1","4","5","4","7","3","2","1") = "6"
    & skf21("1","4","5","4","7","3","3","1") = "6"
    & skf21("1","4","5","4","7","3","4","1") = "6"
    & skf21("1","4","5","4","7","3","5","1") = "6"
    & skf21("1","4","5","4","7","3","6","1") = "6"
    & skf21("1","4","5","4","7","3","7","1") = "6"
    & skf21("1","4","5","4","7","4","1","1") = "6"
    & skf21("1","4","5","4","7","4","2","1") = "6"
    & skf21("1","4","5","4","7","4","3","1") = "6"
    & skf21("1","4","5","4","7","4","4","1") = "6"
    & skf21("1","4","5","4","7","4","5","1") = "6"
    & skf21("1","4","5","4","7","4","6","1") = "6"
    & skf21("1","4","5","4","7","4","7","1") = "6"
    & skf21("1","4","5","4","7","5","1","1") = "6"
    & skf21("1","4","5","4","7","5","2","1") = "6"
    & skf21("1","4","5","4","7","5","3","1") = "6"
    & skf21("1","4","5","4","7","5","4","1") = "6"
    & skf21("1","4","5","4","7","5","5","1") = "6"
    & skf21("1","4","5","4","7","5","6","1") = "6"
    & skf21("1","4","5","4","7","5","7","1") = "6"
    & skf21("1","4","5","4","7","6","1","1") = "6"
    & skf21("1","4","5","4","7","6","2","1") = "6"
    & skf21("1","4","5","4","7","6","3","1") = "6"
    & skf21("1","4","5","4","7","6","4","1") = "6"
    & skf21("1","4","5","4","7","6","5","1") = "6"
    & skf21("1","4","5","4","7","6","6","1") = "6"
    & skf21("1","4","5","4","7","6","7","1") = "6"
    & skf21("1","4","5","4","7","7","1","1") = "6"
    & skf21("1","4","5","4","7","7","2","1") = "6"
    & skf21("1","4","5","4","7","7","3","1") = "6"
    & skf21("1","4","5","4","7","7","4","1") = "6"
    & skf21("1","4","5","4","7","7","5","1") = "6"
    & skf21("1","4","5","4","7","7","6","1") = "6"
    & skf21("1","4","5","4","7","7","7","1") = "6"
    & skf21("1","4","5","5","1","1","1","1") = "4"
    & skf21("1","4","5","5","1","1","2","1") = "4"
    & skf21("1","4","5","5","1","1","3","1") = "4"
    & skf21("1","4","5","5","1","1","4","1") = "4"
    & skf21("1","4","5","5","1","1","5","1") = "4"
    & skf21("1","4","5","5","1","1","6","1") = "5"
    & skf21("1","4","5","5","1","1","7","1") = "6"
    & skf21("1","4","5","5","1","2","1","1") = "4"
    & skf21("1","4","5","5","1","2","2","1") = "4"
    & skf21("1","4","5","5","1","2","3","1") = "4"
    & skf21("1","4","5","5","1","2","4","1") = "4"
    & skf21("1","4","5","5","1","2","5","1") = "4"
    & skf21("1","4","5","5","1","2","6","1") = "5"
    & skf21("1","4","5","5","1","2","7","1") = "6"
    & skf21("1","4","5","5","1","3","1","1") = "4"
    & skf21("1","4","5","5","1","3","2","1") = "4"
    & skf21("1","4","5","5","1","3","3","1") = "4"
    & skf21("1","4","5","5","1","3","4","1") = "4"
    & skf21("1","4","5","5","1","3","5","1") = "4"
    & skf21("1","4","5","5","1","3","6","1") = "5"
    & skf21("1","4","5","5","1","3","7","1") = "6"
    & skf21("1","4","5","5","1","4","1","1") = "4"
    & skf21("1","4","5","5","1","4","2","1") = "4"
    & skf21("1","4","5","5","1","4","3","1") = "4"
    & skf21("1","4","5","5","1","4","4","1") = "4"
    & skf21("1","4","5","5","1","4","5","1") = "4"
    & skf21("1","4","5","5","1","4","6","1") = "5"
    & skf21("1","4","5","5","1","4","7","1") = "6"
    & skf21("1","4","5","5","1","5","1","1") = "4"
    & skf21("1","4","5","5","1","5","2","1") = "4"
    & skf21("1","4","5","5","1","5","3","1") = "4"
    & skf21("1","4","5","5","1","5","4","1") = "4"
    & skf21("1","4","5","5","1","5","5","1") = "4"
    & skf21("1","4","5","5","1","5","6","1") = "5"
    & skf21("1","4","5","5","1","5","7","1") = "6"
    & skf21("1","4","5","5","1","6","1","1") = "5"
    & skf21("1","4","5","5","1","6","2","1") = "5"
    & skf21("1","4","5","5","1","6","3","1") = "5"
    & skf21("1","4","5","5","1","6","4","1") = "5"
    & skf21("1","4","5","5","1","6","5","1") = "5"
    & skf21("1","4","5","5","1","6","6","1") = "5"
    & skf21("1","4","5","5","1","6","7","1") = "6"
    & skf21("1","4","5","5","1","7","1","1") = "6"
    & skf21("1","4","5","5","1","7","2","1") = "6"
    & skf21("1","4","5","5","1","7","3","1") = "6"
    & skf21("1","4","5","5","1","7","4","1") = "6"
    & skf21("1","4","5","5","1","7","5","1") = "6"
    & skf21("1","4","5","5","1","7","6","1") = "6"
    & skf21("1","4","5","5","1","7","7","1") = "6"
    & skf21("1","4","5","5","2","1","1","1") = "4"
    & skf21("1","4","5","5","2","1","2","1") = "4"
    & skf21("1","4","5","5","2","1","3","1") = "4"
    & skf21("1","4","5","5","2","1","4","1") = "4"
    & skf21("1","4","5","5","2","1","5","1") = "4"
    & skf21("1","4","5","5","2","1","6","1") = "5"
    & skf21("1","4","5","5","2","1","7","1") = "6"
    & skf21("1","4","5","5","2","2","1","1") = "4"
    & skf21("1","4","5","5","2","2","2","1") = "4"
    & skf21("1","4","5","5","2","2","3","1") = "4"
    & skf21("1","4","5","5","2","2","4","1") = "4"
    & skf21("1","4","5","5","2","2","5","1") = "4"
    & skf21("1","4","5","5","2","2","6","1") = "5"
    & skf21("1","4","5","5","2","2","7","1") = "6"
    & skf21("1","4","5","5","2","3","1","1") = "4"
    & skf21("1","4","5","5","2","3","2","1") = "4"
    & skf21("1","4","5","5","2","3","3","1") = "4"
    & skf21("1","4","5","5","2","3","4","1") = "4"
    & skf21("1","4","5","5","2","3","5","1") = "4"
    & skf21("1","4","5","5","2","3","6","1") = "5"
    & skf21("1","4","5","5","2","3","7","1") = "6"
    & skf21("1","4","5","5","2","4","1","1") = "4"
    & skf21("1","4","5","5","2","4","2","1") = "4"
    & skf21("1","4","5","5","2","4","3","1") = "4"
    & skf21("1","4","5","5","2","4","4","1") = "4"
    & skf21("1","4","5","5","2","4","5","1") = "4"
    & skf21("1","4","5","5","2","4","6","1") = "5"
    & skf21("1","4","5","5","2","4","7","1") = "6"
    & skf21("1","4","5","5","2","5","1","1") = "4"
    & skf21("1","4","5","5","2","5","2","1") = "4"
    & skf21("1","4","5","5","2","5","3","1") = "4"
    & skf21("1","4","5","5","2","5","4","1") = "4"
    & skf21("1","4","5","5","2","5","5","1") = "4"
    & skf21("1","4","5","5","2","5","6","1") = "5"
    & skf21("1","4","5","5","2","5","7","1") = "6"
    & skf21("1","4","5","5","2","6","1","1") = "5"
    & skf21("1","4","5","5","2","6","2","1") = "5"
    & skf21("1","4","5","5","2","6","3","1") = "5"
    & skf21("1","4","5","5","2","6","4","1") = "5"
    & skf21("1","4","5","5","2","6","5","1") = "5"
    & skf21("1","4","5","5","2","6","6","1") = "5"
    & skf21("1","4","5","5","2","6","7","1") = "6"
    & skf21("1","4","5","5","2","7","1","1") = "6"
    & skf21("1","4","5","5","2","7","2","1") = "6"
    & skf21("1","4","5","5","2","7","3","1") = "6"
    & skf21("1","4","5","5","2","7","4","1") = "6"
    & skf21("1","4","5","5","2","7","5","1") = "6"
    & skf21("1","4","5","5","2","7","6","1") = "6"
    & skf21("1","4","5","5","2","7","7","1") = "6"
    & skf21("1","4","5","5","3","1","1","1") = "4"
    & skf21("1","4","5","5","3","1","2","1") = "4"
    & skf21("1","4","5","5","3","1","3","1") = "4"
    & skf21("1","4","5","5","3","1","4","1") = "4"
    & skf21("1","4","5","5","3","1","5","1") = "4"
    & skf21("1","4","5","5","3","1","6","1") = "5"
    & skf21("1","4","5","5","3","1","7","1") = "6"
    & skf21("1","4","5","5","3","2","1","1") = "4"
    & skf21("1","4","5","5","3","2","2","1") = "4"
    & skf21("1","4","5","5","3","2","3","1") = "4"
    & skf21("1","4","5","5","3","2","4","1") = "4"
    & skf21("1","4","5","5","3","2","5","1") = "4"
    & skf21("1","4","5","5","3","2","6","1") = "5"
    & skf21("1","4","5","5","3","2","7","1") = "6"
    & skf21("1","4","5","5","3","3","1","1") = "4"
    & skf21("1","4","5","5","3","3","2","1") = "4"
    & skf21("1","4","5","5","3","3","3","1") = "4"
    & skf21("1","4","5","5","3","3","4","1") = "4"
    & skf21("1","4","5","5","3","3","5","1") = "4"
    & skf21("1","4","5","5","3","3","6","1") = "5"
    & skf21("1","4","5","5","3","3","7","1") = "6"
    & skf21("1","4","5","5","3","4","1","1") = "4"
    & skf21("1","4","5","5","3","4","2","1") = "4"
    & skf21("1","4","5","5","3","4","3","1") = "4"
    & skf21("1","4","5","5","3","4","4","1") = "4"
    & skf21("1","4","5","5","3","4","5","1") = "4"
    & skf21("1","4","5","5","3","4","6","1") = "5"
    & skf21("1","4","5","5","3","4","7","1") = "6"
    & skf21("1","4","5","5","3","5","1","1") = "4"
    & skf21("1","4","5","5","3","5","2","1") = "4"
    & skf21("1","4","5","5","3","5","3","1") = "4"
    & skf21("1","4","5","5","3","5","4","1") = "4"
    & skf21("1","4","5","5","3","5","5","1") = "4"
    & skf21("1","4","5","5","3","5","6","1") = "5"
    & skf21("1","4","5","5","3","5","7","1") = "6"
    & skf21("1","4","5","5","3","6","1","1") = "5"
    & skf21("1","4","5","5","3","6","2","1") = "5"
    & skf21("1","4","5","5","3","6","3","1") = "5"
    & skf21("1","4","5","5","3","6","4","1") = "5"
    & skf21("1","4","5","5","3","6","5","1") = "5"
    & skf21("1","4","5","5","3","6","6","1") = "5"
    & skf21("1","4","5","5","3","6","7","1") = "6"
    & skf21("1","4","5","5","3","7","1","1") = "6"
    & skf21("1","4","5","5","3","7","2","1") = "6"
    & skf21("1","4","5","5","3","7","3","1") = "6"
    & skf21("1","4","5","5","3","7","4","1") = "6"
    & skf21("1","4","5","5","3","7","5","1") = "6"
    & skf21("1","4","5","5","3","7","6","1") = "6"
    & skf21("1","4","5","5","3","7","7","1") = "6"
    & skf21("1","4","5","5","4","1","1","1") = "4"
    & skf21("1","4","5","5","4","1","2","1") = "4"
    & skf21("1","4","5","5","4","1","3","1") = "4"
    & skf21("1","4","5","5","4","1","4","1") = "4"
    & skf21("1","4","5","5","4","1","5","1") = "4"
    & skf21("1","4","5","5","4","1","6","1") = "5"
    & skf21("1","4","5","5","4","1","7","1") = "6"
    & skf21("1","4","5","5","4","2","1","1") = "4"
    & skf21("1","4","5","5","4","2","2","1") = "4"
    & skf21("1","4","5","5","4","2","3","1") = "4"
    & skf21("1","4","5","5","4","2","4","1") = "4"
    & skf21("1","4","5","5","4","2","5","1") = "4"
    & skf21("1","4","5","5","4","2","6","1") = "5"
    & skf21("1","4","5","5","4","2","7","1") = "6"
    & skf21("1","4","5","5","4","3","1","1") = "4"
    & skf21("1","4","5","5","4","3","2","1") = "4"
    & skf21("1","4","5","5","4","3","3","1") = "4"
    & skf21("1","4","5","5","4","3","4","1") = "4"
    & skf21("1","4","5","5","4","3","5","1") = "4"
    & skf21("1","4","5","5","4","3","6","1") = "5"
    & skf21("1","4","5","5","4","3","7","1") = "6"
    & skf21("1","4","5","5","4","4","1","1") = "4"
    & skf21("1","4","5","5","4","4","2","1") = "4"
    & skf21("1","4","5","5","4","4","3","1") = "4"
    & skf21("1","4","5","5","4","4","4","1") = "4"
    & skf21("1","4","5","5","4","4","5","1") = "4"
    & skf21("1","4","5","5","4","4","6","1") = "5"
    & skf21("1","4","5","5","4","4","7","1") = "6"
    & skf21("1","4","5","5","4","5","1","1") = "4"
    & skf21("1","4","5","5","4","5","2","1") = "4"
    & skf21("1","4","5","5","4","5","3","1") = "4"
    & skf21("1","4","5","5","4","5","4","1") = "4"
    & skf21("1","4","5","5","4","5","5","1") = "4"
    & skf21("1","4","5","5","4","5","6","1") = "5"
    & skf21("1","4","5","5","4","5","7","1") = "6"
    & skf21("1","4","5","5","4","6","1","1") = "5"
    & skf21("1","4","5","5","4","6","2","1") = "5"
    & skf21("1","4","5","5","4","6","3","1") = "5"
    & skf21("1","4","5","5","4","6","4","1") = "5"
    & skf21("1","4","5","5","4","6","5","1") = "5"
    & skf21("1","4","5","5","4","6","6","1") = "5"
    & skf21("1","4","5","5","4","6","7","1") = "6"
    & skf21("1","4","5","5","4","7","1","1") = "6"
    & skf21("1","4","5","5","4","7","2","1") = "6"
    & skf21("1","4","5","5","4","7","3","1") = "6"
    & skf21("1","4","5","5","4","7","4","1") = "6"
    & skf21("1","4","5","5","4","7","5","1") = "6"
    & skf21("1","4","5","5","4","7","6","1") = "6"
    & skf21("1","4","5","5","4","7","7","1") = "6"
    & skf21("1","4","5","5","5","1","1","1") = "4"
    & skf21("1","4","5","5","5","1","2","1") = "4"
    & skf21("1","4","5","5","5","1","3","1") = "4"
    & skf21("1","4","5","5","5","1","4","1") = "4"
    & skf21("1","4","5","5","5","1","5","1") = "4"
    & skf21("1","4","5","5","5","1","6","1") = "5"
    & skf21("1","4","5","5","5","1","7","1") = "6"
    & skf21("1","4","5","5","5","2","1","1") = "4"
    & skf21("1","4","5","5","5","2","2","1") = "4"
    & skf21("1","4","5","5","5","2","3","1") = "4"
    & skf21("1","4","5","5","5","2","4","1") = "4"
    & skf21("1","4","5","5","5","2","5","1") = "4"
    & skf21("1","4","5","5","5","2","6","1") = "5"
    & skf21("1","4","5","5","5","2","7","1") = "6"
    & skf21("1","4","5","5","5","3","1","1") = "4"
    & skf21("1","4","5","5","5","3","2","1") = "4"
    & skf21("1","4","5","5","5","3","3","1") = "4"
    & skf21("1","4","5","5","5","3","4","1") = "4"
    & skf21("1","4","5","5","5","3","5","1") = "4"
    & skf21("1","4","5","5","5","3","6","1") = "5"
    & skf21("1","4","5","5","5","3","7","1") = "6"
    & skf21("1","4","5","5","5","4","1","1") = "4"
    & skf21("1","4","5","5","5","4","2","1") = "4"
    & skf21("1","4","5","5","5","4","3","1") = "4"
    & skf21("1","4","5","5","5","4","4","1") = "4"
    & skf21("1","4","5","5","5","4","5","1") = "4"
    & skf21("1","4","5","5","5","4","6","1") = "5"
    & skf21("1","4","5","5","5","4","7","1") = "6"
    & skf21("1","4","5","5","5","5","1","1") = "4"
    & skf21("1","4","5","5","5","5","2","1") = "4"
    & skf21("1","4","5","5","5","5","3","1") = "4"
    & skf21("1","4","5","5","5","5","4","1") = "4"
    & skf21("1","4","5","5","5","5","5","1") = "4"
    & skf21("1","4","5","5","5","5","6","1") = "5"
    & skf21("1","4","5","5","5","5","7","1") = "6"
    & skf21("1","4","5","5","5","6","1","1") = "5"
    & skf21("1","4","5","5","5","6","2","1") = "5"
    & skf21("1","4","5","5","5","6","3","1") = "5"
    & skf21("1","4","5","5","5","6","4","1") = "5"
    & skf21("1","4","5","5","5","6","5","1") = "5"
    & skf21("1","4","5","5","5","6","6","1") = "5"
    & skf21("1","4","5","5","5","6","7","1") = "6"
    & skf21("1","4","5","5","5","7","1","1") = "6"
    & skf21("1","4","5","5","5","7","2","1") = "6"
    & skf21("1","4","5","5","5","7","3","1") = "6"
    & skf21("1","4","5","5","5","7","4","1") = "6"
    & skf21("1","4","5","5","5","7","5","1") = "6"
    & skf21("1","4","5","5","5","7","6","1") = "6"
    & skf21("1","4","5","5","5","7","7","1") = "6"
    & skf21("1","4","5","5","6","1","1","1") = "5"
    & skf21("1","4","5","5","6","1","2","1") = "5"
    & skf21("1","4","5","5","6","1","3","1") = "5"
    & skf21("1","4","5","5","6","1","4","1") = "5"
    & skf21("1","4","5","5","6","1","5","1") = "5"
    & skf21("1","4","5","5","6","1","6","1") = "5"
    & skf21("1","4","5","5","6","1","7","1") = "6"
    & skf21("1","4","5","5","6","2","1","1") = "5"
    & skf21("1","4","5","5","6","2","2","1") = "5"
    & skf21("1","4","5","5","6","2","3","1") = "5"
    & skf21("1","4","5","5","6","2","4","1") = "5"
    & skf21("1","4","5","5","6","2","5","1") = "5"
    & skf21("1","4","5","5","6","2","6","1") = "5"
    & skf21("1","4","5","5","6","2","7","1") = "6"
    & skf21("1","4","5","5","6","3","1","1") = "5"
    & skf21("1","4","5","5","6","3","2","1") = "5"
    & skf21("1","4","5","5","6","3","3","1") = "5"
    & skf21("1","4","5","5","6","3","4","1") = "5"
    & skf21("1","4","5","5","6","3","5","1") = "5"
    & skf21("1","4","5","5","6","3","6","1") = "5"
    & skf21("1","4","5","5","6","3","7","1") = "6"
    & skf21("1","4","5","5","6","4","1","1") = "5"
    & skf21("1","4","5","5","6","4","2","1") = "5"
    & skf21("1","4","5","5","6","4","3","1") = "5"
    & skf21("1","4","5","5","6","4","4","1") = "5"
    & skf21("1","4","5","5","6","4","5","1") = "5"
    & skf21("1","4","5","5","6","4","6","1") = "5"
    & skf21("1","4","5","5","6","4","7","1") = "6"
    & skf21("1","4","5","5","6","5","1","1") = "5"
    & skf21("1","4","5","5","6","5","2","1") = "5"
    & skf21("1","4","5","5","6","5","3","1") = "5"
    & skf21("1","4","5","5","6","5","4","1") = "5"
    & skf21("1","4","5","5","6","5","5","1") = "5"
    & skf21("1","4","5","5","6","5","6","1") = "5"
    & skf21("1","4","5","5","6","5","7","1") = "6"
    & skf21("1","4","5","5","6","6","1","1") = "5"
    & skf21("1","4","5","5","6","6","2","1") = "5"
    & skf21("1","4","5","5","6","6","3","1") = "5"
    & skf21("1","4","5","5","6","6","4","1") = "5"
    & skf21("1","4","5","5","6","6","5","1") = "5"
    & skf21("1","4","5","5","6","6","6","1") = "5"
    & skf21("1","4","5","5","6","6","7","1") = "6"
    & skf21("1","4","5","5","6","7","1","1") = "6"
    & skf21("1","4","5","5","6","7","2","1") = "6"
    & skf21("1","4","5","5","6","7","3","1") = "6"
    & skf21("1","4","5","5","6","7","4","1") = "6"
    & skf21("1","4","5","5","6","7","5","1") = "6"
    & skf21("1","4","5","5","6","7","6","1") = "6"
    & skf21("1","4","5","5","6","7","7","1") = "6"
    & skf21("1","4","5","5","7","1","1","1") = "6"
    & skf21("1","4","5","5","7","1","2","1") = "6"
    & skf21("1","4","5","5","7","1","3","1") = "6"
    & skf21("1","4","5","5","7","1","4","1") = "6"
    & skf21("1","4","5","5","7","1","5","1") = "6"
    & skf21("1","4","5","5","7","1","6","1") = "6"
    & skf21("1","4","5","5","7","1","7","1") = "6"
    & skf21("1","4","5","5","7","2","1","1") = "6"
    & skf21("1","4","5","5","7","2","2","1") = "6"
    & skf21("1","4","5","5","7","2","3","1") = "6"
    & skf21("1","4","5","5","7","2","4","1") = "6"
    & skf21("1","4","5","5","7","2","5","1") = "6"
    & skf21("1","4","5","5","7","2","6","1") = "6"
    & skf21("1","4","5","5","7","2","7","1") = "6"
    & skf21("1","4","5","5","7","3","1","1") = "6"
    & skf21("1","4","5","5","7","3","2","1") = "6"
    & skf21("1","4","5","5","7","3","3","1") = "6"
    & skf21("1","4","5","5","7","3","4","1") = "6"
    & skf21("1","4","5","5","7","3","5","1") = "6"
    & skf21("1","4","5","5","7","3","6","1") = "6"
    & skf21("1","4","5","5","7","3","7","1") = "6"
    & skf21("1","4","5","5","7","4","1","1") = "6"
    & skf21("1","4","5","5","7","4","2","1") = "6"
    & skf21("1","4","5","5","7","4","3","1") = "6"
    & skf21("1","4","5","5","7","4","4","1") = "6"
    & skf21("1","4","5","5","7","4","5","1") = "6"
    & skf21("1","4","5","5","7","4","6","1") = "6"
    & skf21("1","4","5","5","7","4","7","1") = "6"
    & skf21("1","4","5","5","7","5","1","1") = "6"
    & skf21("1","4","5","5","7","5","2","1") = "6"
    & skf21("1","4","5","5","7","5","3","1") = "6"
    & skf21("1","4","5","5","7","5","4","1") = "6"
    & skf21("1","4","5","5","7","5","5","1") = "6"
    & skf21("1","4","5","5","7","5","6","1") = "6"
    & skf21("1","4","5","5","7","5","7","1") = "6"
    & skf21("1","4","5","5","7","6","1","1") = "6"
    & skf21("1","4","5","5","7","6","2","1") = "6"
    & skf21("1","4","5","5","7","6","3","1") = "6"
    & skf21("1","4","5","5","7","6","4","1") = "6"
    & skf21("1","4","5","5","7","6","5","1") = "6"
    & skf21("1","4","5","5","7","6","6","1") = "6"
    & skf21("1","4","5","5","7","6","7","1") = "6"
    & skf21("1","4","5","5","7","7","1","1") = "6"
    & skf21("1","4","5","5","7","7","2","1") = "6"
    & skf21("1","4","5","5","7","7","3","1") = "6"
    & skf21("1","4","5","5","7","7","4","1") = "6"
    & skf21("1","4","5","5","7","7","5","1") = "6"
    & skf21("1","4","5","5","7","7","6","1") = "6"
    & skf21("1","4","5","5","7","7","7","1") = "6"
    & skf21("1","4","5","6","1","1","1","1") = "5"
    & skf21("1","4","5","6","1","1","2","1") = "5"
    & skf21("1","4","5","6","1","1","3","1") = "5"
    & skf21("1","4","5","6","1","1","4","1") = "5"
    & skf21("1","4","5","6","1","1","5","1") = "5"
    & skf21("1","4","5","6","1","1","6","1") = "5"
    & skf21("1","4","5","6","1","1","7","1") = "6"
    & skf21("1","4","5","6","1","2","1","1") = "5"
    & skf21("1","4","5","6","1","2","2","1") = "5"
    & skf21("1","4","5","6","1","2","3","1") = "5"
    & skf21("1","4","5","6","1","2","4","1") = "5"
    & skf21("1","4","5","6","1","2","5","1") = "5"
    & skf21("1","4","5","6","1","2","6","1") = "5"
    & skf21("1","4","5","6","1","2","7","1") = "6"
    & skf21("1","4","5","6","1","3","1","1") = "5"
    & skf21("1","4","5","6","1","3","2","1") = "5"
    & skf21("1","4","5","6","1","3","3","1") = "5"
    & skf21("1","4","5","6","1","3","4","1") = "5"
    & skf21("1","4","5","6","1","3","5","1") = "5"
    & skf21("1","4","5","6","1","3","6","1") = "5"
    & skf21("1","4","5","6","1","3","7","1") = "6"
    & skf21("1","4","5","6","1","4","1","1") = "5"
    & skf21("1","4","5","6","1","4","2","1") = "5"
    & skf21("1","4","5","6","1","4","3","1") = "5"
    & skf21("1","4","5","6","1","4","4","1") = "5"
    & skf21("1","4","5","6","1","4","5","1") = "5"
    & skf21("1","4","5","6","1","4","6","1") = "5"
    & skf21("1","4","5","6","1","4","7","1") = "6"
    & skf21("1","4","5","6","1","5","1","1") = "5"
    & skf21("1","4","5","6","1","5","2","1") = "5"
    & skf21("1","4","5","6","1","5","3","1") = "5"
    & skf21("1","4","5","6","1","5","4","1") = "5"
    & skf21("1","4","5","6","1","5","5","1") = "5"
    & skf21("1","4","5","6","1","5","6","1") = "5"
    & skf21("1","4","5","6","1","5","7","1") = "6"
    & skf21("1","4","5","6","1","6","1","1") = "5"
    & skf21("1","4","5","6","1","6","2","1") = "5"
    & skf21("1","4","5","6","1","6","3","1") = "5"
    & skf21("1","4","5","6","1","6","4","1") = "5"
    & skf21("1","4","5","6","1","6","5","1") = "5"
    & skf21("1","4","5","6","1","6","6","1") = "5"
    & skf21("1","4","5","6","1","6","7","1") = "6"
    & skf21("1","4","5","6","1","7","1","1") = "6"
    & skf21("1","4","5","6","1","7","2","1") = "6"
    & skf21("1","4","5","6","1","7","3","1") = "6"
    & skf21("1","4","5","6","1","7","4","1") = "6"
    & skf21("1","4","5","6","1","7","5","1") = "6"
    & skf21("1","4","5","6","1","7","6","1") = "6"
    & skf21("1","4","5","6","1","7","7","1") = "6"
    & skf21("1","4","5","6","2","1","1","1") = "5"
    & skf21("1","4","5","6","2","1","2","1") = "5"
    & skf21("1","4","5","6","2","1","3","1") = "5"
    & skf21("1","4","5","6","2","1","4","1") = "5"
    & skf21("1","4","5","6","2","1","5","1") = "5"
    & skf21("1","4","5","6","2","1","6","1") = "5"
    & skf21("1","4","5","6","2","1","7","1") = "6"
    & skf21("1","4","5","6","2","2","1","1") = "5"
    & skf21("1","4","5","6","2","2","2","1") = "5"
    & skf21("1","4","5","6","2","2","3","1") = "5"
    & skf21("1","4","5","6","2","2","4","1") = "5"
    & skf21("1","4","5","6","2","2","5","1") = "5"
    & skf21("1","4","5","6","2","2","6","1") = "5"
    & skf21("1","4","5","6","2","2","7","1") = "6"
    & skf21("1","4","5","6","2","3","1","1") = "5"
    & skf21("1","4","5","6","2","3","2","1") = "5"
    & skf21("1","4","5","6","2","3","3","1") = "5"
    & skf21("1","4","5","6","2","3","4","1") = "5"
    & skf21("1","4","5","6","2","3","5","1") = "5"
    & skf21("1","4","5","6","2","3","6","1") = "5"
    & skf21("1","4","5","6","2","3","7","1") = "6"
    & skf21("1","4","5","6","2","4","1","1") = "5"
    & skf21("1","4","5","6","2","4","2","1") = "5"
    & skf21("1","4","5","6","2","4","3","1") = "5"
    & skf21("1","4","5","6","2","4","4","1") = "5"
    & skf21("1","4","5","6","2","4","5","1") = "5"
    & skf21("1","4","5","6","2","4","6","1") = "5"
    & skf21("1","4","5","6","2","4","7","1") = "6"
    & skf21("1","4","5","6","2","5","1","1") = "5"
    & skf21("1","4","5","6","2","5","2","1") = "5"
    & skf21("1","4","5","6","2","5","3","1") = "5"
    & skf21("1","4","5","6","2","5","4","1") = "5"
    & skf21("1","4","5","6","2","5","5","1") = "5"
    & skf21("1","4","5","6","2","5","6","1") = "5"
    & skf21("1","4","5","6","2","5","7","1") = "6"
    & skf21("1","4","5","6","2","6","1","1") = "5"
    & skf21("1","4","5","6","2","6","2","1") = "5"
    & skf21("1","4","5","6","2","6","3","1") = "5"
    & skf21("1","4","5","6","2","6","4","1") = "5"
    & skf21("1","4","5","6","2","6","5","1") = "5"
    & skf21("1","4","5","6","2","6","6","1") = "5"
    & skf21("1","4","5","6","2","6","7","1") = "6"
    & skf21("1","4","5","6","2","7","1","1") = "6"
    & skf21("1","4","5","6","2","7","2","1") = "6"
    & skf21("1","4","5","6","2","7","3","1") = "6"
    & skf21("1","4","5","6","2","7","4","1") = "6"
    & skf21("1","4","5","6","2","7","5","1") = "6"
    & skf21("1","4","5","6","2","7","6","1") = "6"
    & skf21("1","4","5","6","2","7","7","1") = "6"
    & skf21("1","4","5","6","3","1","1","1") = "5"
    & skf21("1","4","5","6","3","1","2","1") = "5"
    & skf21("1","4","5","6","3","1","3","1") = "5"
    & skf21("1","4","5","6","3","1","4","1") = "5"
    & skf21("1","4","5","6","3","1","5","1") = "5"
    & skf21("1","4","5","6","3","1","6","1") = "5"
    & skf21("1","4","5","6","3","1","7","1") = "6"
    & skf21("1","4","5","6","3","2","1","1") = "5"
    & skf21("1","4","5","6","3","2","2","1") = "5"
    & skf21("1","4","5","6","3","2","3","1") = "5"
    & skf21("1","4","5","6","3","2","4","1") = "5"
    & skf21("1","4","5","6","3","2","5","1") = "5"
    & skf21("1","4","5","6","3","2","6","1") = "5"
    & skf21("1","4","5","6","3","2","7","1") = "6"
    & skf21("1","4","5","6","3","3","1","1") = "5"
    & skf21("1","4","5","6","3","3","2","1") = "5"
    & skf21("1","4","5","6","3","3","3","1") = "5"
    & skf21("1","4","5","6","3","3","4","1") = "5"
    & skf21("1","4","5","6","3","3","5","1") = "5"
    & skf21("1","4","5","6","3","3","6","1") = "5"
    & skf21("1","4","5","6","3","3","7","1") = "6"
    & skf21("1","4","5","6","3","4","1","1") = "5"
    & skf21("1","4","5","6","3","4","2","1") = "5"
    & skf21("1","4","5","6","3","4","3","1") = "5"
    & skf21("1","4","5","6","3","4","4","1") = "5"
    & skf21("1","4","5","6","3","4","5","1") = "5"
    & skf21("1","4","5","6","3","4","6","1") = "5"
    & skf21("1","4","5","6","3","4","7","1") = "6"
    & skf21("1","4","5","6","3","5","1","1") = "5"
    & skf21("1","4","5","6","3","5","2","1") = "5"
    & skf21("1","4","5","6","3","5","3","1") = "5"
    & skf21("1","4","5","6","3","5","4","1") = "5"
    & skf21("1","4","5","6","3","5","5","1") = "5"
    & skf21("1","4","5","6","3","5","6","1") = "5"
    & skf21("1","4","5","6","3","5","7","1") = "6"
    & skf21("1","4","5","6","3","6","1","1") = "5"
    & skf21("1","4","5","6","3","6","2","1") = "5"
    & skf21("1","4","5","6","3","6","3","1") = "5"
    & skf21("1","4","5","6","3","6","4","1") = "5"
    & skf21("1","4","5","6","3","6","5","1") = "5"
    & skf21("1","4","5","6","3","6","6","1") = "5"
    & skf21("1","4","5","6","3","6","7","1") = "6"
    & skf21("1","4","5","6","3","7","1","1") = "6"
    & skf21("1","4","5","6","3","7","2","1") = "6"
    & skf21("1","4","5","6","3","7","3","1") = "6"
    & skf21("1","4","5","6","3","7","4","1") = "6"
    & skf21("1","4","5","6","3","7","5","1") = "6"
    & skf21("1","4","5","6","3","7","6","1") = "6"
    & skf21("1","4","5","6","3","7","7","1") = "6"
    & skf21("1","4","5","6","4","1","1","1") = "5"
    & skf21("1","4","5","6","4","1","2","1") = "5"
    & skf21("1","4","5","6","4","1","3","1") = "5"
    & skf21("1","4","5","6","4","1","4","1") = "5"
    & skf21("1","4","5","6","4","1","5","1") = "5"
    & skf21("1","4","5","6","4","1","6","1") = "5"
    & skf21("1","4","5","6","4","1","7","1") = "6"
    & skf21("1","4","5","6","4","2","1","1") = "5"
    & skf21("1","4","5","6","4","2","2","1") = "5"
    & skf21("1","4","5","6","4","2","3","1") = "5"
    & skf21("1","4","5","6","4","2","4","1") = "5"
    & skf21("1","4","5","6","4","2","5","1") = "5"
    & skf21("1","4","5","6","4","2","6","1") = "5"
    & skf21("1","4","5","6","4","2","7","1") = "6"
    & skf21("1","4","5","6","4","3","1","1") = "5"
    & skf21("1","4","5","6","4","3","2","1") = "5"
    & skf21("1","4","5","6","4","3","3","1") = "5"
    & skf21("1","4","5","6","4","3","4","1") = "5"
    & skf21("1","4","5","6","4","3","5","1") = "5"
    & skf21("1","4","5","6","4","3","6","1") = "5"
    & skf21("1","4","5","6","4","3","7","1") = "6"
    & skf21("1","4","5","6","4","4","1","1") = "5"
    & skf21("1","4","5","6","4","4","2","1") = "5"
    & skf21("1","4","5","6","4","4","3","1") = "5"
    & skf21("1","4","5","6","4","4","4","1") = "5"
    & skf21("1","4","5","6","4","4","5","1") = "5"
    & skf21("1","4","5","6","4","4","6","1") = "5"
    & skf21("1","4","5","6","4","4","7","1") = "6"
    & skf21("1","4","5","6","4","5","1","1") = "5"
    & skf21("1","4","5","6","4","5","2","1") = "5"
    & skf21("1","4","5","6","4","5","3","1") = "5"
    & skf21("1","4","5","6","4","5","4","1") = "5"
    & skf21("1","4","5","6","4","5","5","1") = "5"
    & skf21("1","4","5","6","4","5","6","1") = "5"
    & skf21("1","4","5","6","4","5","7","1") = "6"
    & skf21("1","4","5","6","4","6","1","1") = "5"
    & skf21("1","4","5","6","4","6","2","1") = "5"
    & skf21("1","4","5","6","4","6","3","1") = "5"
    & skf21("1","4","5","6","4","6","4","1") = "5"
    & skf21("1","4","5","6","4","6","5","1") = "5"
    & skf21("1","4","5","6","4","6","6","1") = "5"
    & skf21("1","4","5","6","4","6","7","1") = "6"
    & skf21("1","4","5","6","4","7","1","1") = "6"
    & skf21("1","4","5","6","4","7","2","1") = "6"
    & skf21("1","4","5","6","4","7","3","1") = "6"
    & skf21("1","4","5","6","4","7","4","1") = "6"
    & skf21("1","4","5","6","4","7","5","1") = "6"
    & skf21("1","4","5","6","4","7","6","1") = "6"
    & skf21("1","4","5","6","4","7","7","1") = "6"
    & skf21("1","4","5","6","5","1","1","1") = "5"
    & skf21("1","4","5","6","5","1","2","1") = "5"
    & skf21("1","4","5","6","5","1","3","1") = "5"
    & skf21("1","4","5","6","5","1","4","1") = "5"
    & skf21("1","4","5","6","5","1","5","1") = "5"
    & skf21("1","4","5","6","5","1","6","1") = "5"
    & skf21("1","4","5","6","5","1","7","1") = "6"
    & skf21("1","4","5","6","5","2","1","1") = "5"
    & skf21("1","4","5","6","5","2","2","1") = "5"
    & skf21("1","4","5","6","5","2","3","1") = "5"
    & skf21("1","4","5","6","5","2","4","1") = "5"
    & skf21("1","4","5","6","5","2","5","1") = "5"
    & skf21("1","4","5","6","5","2","6","1") = "5"
    & skf21("1","4","5","6","5","2","7","1") = "6"
    & skf21("1","4","5","6","5","3","1","1") = "5"
    & skf21("1","4","5","6","5","3","2","1") = "5"
    & skf21("1","4","5","6","5","3","3","1") = "5"
    & skf21("1","4","5","6","5","3","4","1") = "5"
    & skf21("1","4","5","6","5","3","5","1") = "5"
    & skf21("1","4","5","6","5","3","6","1") = "5"
    & skf21("1","4","5","6","5","3","7","1") = "6"
    & skf21("1","4","5","6","5","4","1","1") = "5"
    & skf21("1","4","5","6","5","4","2","1") = "5"
    & skf21("1","4","5","6","5","4","3","1") = "5"
    & skf21("1","4","5","6","5","4","4","1") = "5"
    & skf21("1","4","5","6","5","4","5","1") = "5"
    & skf21("1","4","5","6","5","4","6","1") = "5"
    & skf21("1","4","5","6","5","4","7","1") = "6"
    & skf21("1","4","5","6","5","5","1","1") = "5"
    & skf21("1","4","5","6","5","5","2","1") = "5"
    & skf21("1","4","5","6","5","5","3","1") = "5"
    & skf21("1","4","5","6","5","5","4","1") = "5"
    & skf21("1","4","5","6","5","5","5","1") = "5"
    & skf21("1","4","5","6","5","5","6","1") = "5"
    & skf21("1","4","5","6","5","5","7","1") = "6"
    & skf21("1","4","5","6","5","6","1","1") = "5"
    & skf21("1","4","5","6","5","6","2","1") = "5"
    & skf21("1","4","5","6","5","6","3","1") = "5"
    & skf21("1","4","5","6","5","6","4","1") = "5"
    & skf21("1","4","5","6","5","6","5","1") = "5"
    & skf21("1","4","5","6","5","6","6","1") = "5"
    & skf21("1","4","5","6","5","6","7","1") = "6"
    & skf21("1","4","5","6","5","7","1","1") = "6"
    & skf21("1","4","5","6","5","7","2","1") = "6"
    & skf21("1","4","5","6","5","7","3","1") = "6"
    & skf21("1","4","5","6","5","7","4","1") = "6"
    & skf21("1","4","5","6","5","7","5","1") = "6"
    & skf21("1","4","5","6","5","7","6","1") = "6"
    & skf21("1","4","5","6","5","7","7","1") = "6"
    & skf21("1","4","5","6","6","1","1","1") = "5"
    & skf21("1","4","5","6","6","1","2","1") = "5"
    & skf21("1","4","5","6","6","1","3","1") = "5"
    & skf21("1","4","5","6","6","1","4","1") = "5"
    & skf21("1","4","5","6","6","1","5","1") = "5"
    & skf21("1","4","5","6","6","1","6","1") = "5"
    & skf21("1","4","5","6","6","1","7","1") = "6"
    & skf21("1","4","5","6","6","2","1","1") = "5"
    & skf21("1","4","5","6","6","2","2","1") = "5"
    & skf21("1","4","5","6","6","2","3","1") = "5"
    & skf21("1","4","5","6","6","2","4","1") = "5"
    & skf21("1","4","5","6","6","2","5","1") = "5"
    & skf21("1","4","5","6","6","2","6","1") = "5"
    & skf21("1","4","5","6","6","2","7","1") = "6"
    & skf21("1","4","5","6","6","3","1","1") = "5"
    & skf21("1","4","5","6","6","3","2","1") = "5"
    & skf21("1","4","5","6","6","3","3","1") = "5"
    & skf21("1","4","5","6","6","3","4","1") = "5"
    & skf21("1","4","5","6","6","3","5","1") = "5"
    & skf21("1","4","5","6","6","3","6","1") = "5"
    & skf21("1","4","5","6","6","3","7","1") = "6"
    & skf21("1","4","5","6","6","4","1","1") = "5"
    & skf21("1","4","5","6","6","4","2","1") = "5"
    & skf21("1","4","5","6","6","4","3","1") = "5"
    & skf21("1","4","5","6","6","4","4","1") = "5"
    & skf21("1","4","5","6","6","4","5","1") = "5"
    & skf21("1","4","5","6","6","4","6","1") = "5"
    & skf21("1","4","5","6","6","4","7","1") = "6"
    & skf21("1","4","5","6","6","5","1","1") = "5"
    & skf21("1","4","5","6","6","5","2","1") = "5"
    & skf21("1","4","5","6","6","5","3","1") = "5"
    & skf21("1","4","5","6","6","5","4","1") = "5"
    & skf21("1","4","5","6","6","5","5","1") = "5"
    & skf21("1","4","5","6","6","5","6","1") = "5"
    & skf21("1","4","5","6","6","5","7","1") = "6"
    & skf21("1","4","5","6","6","6","1","1") = "5"
    & skf21("1","4","5","6","6","6","2","1") = "5"
    & skf21("1","4","5","6","6","6","3","1") = "5"
    & skf21("1","4","5","6","6","6","4","1") = "5"
    & skf21("1","4","5","6","6","6","5","1") = "5"
    & skf21("1","4","5","6","6","6","6","1") = "5"
    & skf21("1","4","5","6","6","6","7","1") = "6"
    & skf21("1","4","5","6","6","7","1","1") = "6"
    & skf21("1","4","5","6","6","7","2","1") = "6"
    & skf21("1","4","5","6","6","7","3","1") = "6"
    & skf21("1","4","5","6","6","7","4","1") = "6"
    & skf21("1","4","5","6","6","7","5","1") = "6"
    & skf21("1","4","5","6","6","7","6","1") = "6"
    & skf21("1","4","5","6","6","7","7","1") = "6"
    & skf21("1","4","5","6","7","1","1","1") = "6"
    & skf21("1","4","5","6","7","1","2","1") = "6"
    & skf21("1","4","5","6","7","1","3","1") = "6"
    & skf21("1","4","5","6","7","1","4","1") = "6"
    & skf21("1","4","5","6","7","1","5","1") = "6"
    & skf21("1","4","5","6","7","1","6","1") = "6"
    & skf21("1","4","5","6","7","1","7","1") = "6"
    & skf21("1","4","5","6","7","2","1","1") = "6"
    & skf21("1","4","5","6","7","2","2","1") = "6"
    & skf21("1","4","5","6","7","2","3","1") = "6"
    & skf21("1","4","5","6","7","2","4","1") = "6"
    & skf21("1","4","5","6","7","2","5","1") = "6"
    & skf21("1","4","5","6","7","2","6","1") = "6"
    & skf21("1","4","5","6","7","2","7","1") = "6"
    & skf21("1","4","5","6","7","3","1","1") = "6"
    & skf21("1","4","5","6","7","3","2","1") = "6"
    & skf21("1","4","5","6","7","3","3","1") = "6"
    & skf21("1","4","5","6","7","3","4","1") = "6"
    & skf21("1","4","5","6","7","3","5","1") = "6"
    & skf21("1","4","5","6","7","3","6","1") = "6"
    & skf21("1","4","5","6","7","3","7","1") = "6"
    & skf21("1","4","5","6","7","4","1","1") = "6"
    & skf21("1","4","5","6","7","4","2","1") = "6"
    & skf21("1","4","5","6","7","4","3","1") = "6"
    & skf21("1","4","5","6","7","4","4","1") = "6"
    & skf21("1","4","5","6","7","4","5","1") = "6"
    & skf21("1","4","5","6","7","4","6","1") = "6"
    & skf21("1","4","5","6","7","4","7","1") = "6"
    & skf21("1","4","5","6","7","5","1","1") = "6"
    & skf21("1","4","5","6","7","5","2","1") = "6"
    & skf21("1","4","5","6","7","5","3","1") = "6"
    & skf21("1","4","5","6","7","5","4","1") = "6"
    & skf21("1","4","5","6","7","5","5","1") = "6"
    & skf21("1","4","5","6","7","5","6","1") = "6"
    & skf21("1","4","5","6","7","5","7","1") = "6"
    & skf21("1","4","5","6","7","6","1","1") = "6"
    & skf21("1","4","5","6","7","6","2","1") = "6"
    & skf21("1","4","5","6","7","6","3","1") = "6"
    & skf21("1","4","5","6","7","6","4","1") = "6"
    & skf21("1","4","5","6","7","6","5","1") = "6"
    & skf21("1","4","5","6","7","6","6","1") = "6"
    & skf21("1","4","5","6","7","6","7","1") = "6"
    & skf21("1","4","5","6","7","7","1","1") = "6"
    & skf21("1","4","5","6","7","7","2","1") = "6"
    & skf21("1","4","5","6","7","7","3","1") = "6"
    & skf21("1","4","5","6","7","7","4","1") = "6"
    & skf21("1","4","5","6","7","7","5","1") = "6"
    & skf21("1","4","5","6","7","7","6","1") = "6"
    & skf21("1","4","5","6","7","7","7","1") = "6"
    & skf21("1","4","5","7","1","1","1","1") = "6"
    & skf21("1","4","5","7","1","1","2","1") = "6"
    & skf21("1","4","5","7","1","1","3","1") = "6"
    & skf21("1","4","5","7","1","1","4","1") = "6"
    & skf21("1","4","5","7","1","1","5","1") = "6"
    & skf21("1","4","5","7","1","1","6","1") = "6"
    & skf21("1","4","5","7","1","1","7","1") = "6"
    & skf21("1","4","5","7","1","2","1","1") = "6"
    & skf21("1","4","5","7","1","2","2","1") = "6"
    & skf21("1","4","5","7","1","2","3","1") = "6"
    & skf21("1","4","5","7","1","2","4","1") = "6"
    & skf21("1","4","5","7","1","2","5","1") = "6"
    & skf21("1","4","5","7","1","2","6","1") = "6"
    & skf21("1","4","5","7","1","2","7","1") = "6"
    & skf21("1","4","5","7","1","3","1","1") = "6"
    & skf21("1","4","5","7","1","3","2","1") = "6"
    & skf21("1","4","5","7","1","3","3","1") = "6"
    & skf21("1","4","5","7","1","3","4","1") = "6"
    & skf21("1","4","5","7","1","3","5","1") = "6"
    & skf21("1","4","5","7","1","3","6","1") = "6"
    & skf21("1","4","5","7","1","3","7","1") = "6"
    & skf21("1","4","5","7","1","4","1","1") = "6"
    & skf21("1","4","5","7","1","4","2","1") = "6"
    & skf21("1","4","5","7","1","4","3","1") = "6"
    & skf21("1","4","5","7","1","4","4","1") = "6"
    & skf21("1","4","5","7","1","4","5","1") = "6"
    & skf21("1","4","5","7","1","4","6","1") = "6"
    & skf21("1","4","5","7","1","4","7","1") = "6"
    & skf21("1","4","5","7","1","5","1","1") = "6"
    & skf21("1","4","5","7","1","5","2","1") = "6"
    & skf21("1","4","5","7","1","5","3","1") = "6"
    & skf21("1","4","5","7","1","5","4","1") = "6"
    & skf21("1","4","5","7","1","5","5","1") = "6"
    & skf21("1","4","5","7","1","5","6","1") = "6"
    & skf21("1","4","5","7","1","5","7","1") = "6"
    & skf21("1","4","5","7","1","6","1","1") = "6"
    & skf21("1","4","5","7","1","6","2","1") = "6"
    & skf21("1","4","5","7","1","6","3","1") = "6"
    & skf21("1","4","5","7","1","6","4","1") = "6"
    & skf21("1","4","5","7","1","6","5","1") = "6"
    & skf21("1","4","5","7","1","6","6","1") = "6"
    & skf21("1","4","5","7","1","6","7","1") = "6"
    & skf21("1","4","5","7","1","7","1","1") = "6"
    & skf21("1","4","5","7","1","7","2","1") = "6"
    & skf21("1","4","5","7","1","7","3","1") = "6"
    & skf21("1","4","5","7","1","7","4","1") = "6"
    & skf21("1","4","5","7","1","7","5","1") = "6"
    & skf21("1","4","5","7","1","7","6","1") = "6"
    & skf21("1","4","5","7","1","7","7","1") = "6"
    & skf21("1","4","5","7","2","1","1","1") = "6"
    & skf21("1","4","5","7","2","1","2","1") = "6"
    & skf21("1","4","5","7","2","1","3","1") = "6"
    & skf21("1","4","5","7","2","1","4","1") = "6"
    & skf21("1","4","5","7","2","1","5","1") = "6"
    & skf21("1","4","5","7","2","1","6","1") = "6"
    & skf21("1","4","5","7","2","1","7","1") = "6"
    & skf21("1","4","5","7","2","2","1","1") = "6"
    & skf21("1","4","5","7","2","2","2","1") = "6"
    & skf21("1","4","5","7","2","2","3","1") = "6"
    & skf21("1","4","5","7","2","2","4","1") = "6"
    & skf21("1","4","5","7","2","2","5","1") = "6"
    & skf21("1","4","5","7","2","2","6","1") = "6"
    & skf21("1","4","5","7","2","2","7","1") = "6"
    & skf21("1","4","5","7","2","3","1","1") = "6"
    & skf21("1","4","5","7","2","3","2","1") = "6"
    & skf21("1","4","5","7","2","3","3","1") = "6"
    & skf21("1","4","5","7","2","3","4","1") = "6"
    & skf21("1","4","5","7","2","3","5","1") = "6"
    & skf21("1","4","5","7","2","3","6","1") = "6"
    & skf21("1","4","5","7","2","3","7","1") = "6"
    & skf21("1","4","5","7","2","4","1","1") = "6"
    & skf21("1","4","5","7","2","4","2","1") = "6"
    & skf21("1","4","5","7","2","4","3","1") = "6"
    & skf21("1","4","5","7","2","4","4","1") = "6"
    & skf21("1","4","5","7","2","4","5","1") = "6"
    & skf21("1","4","5","7","2","4","6","1") = "6"
    & skf21("1","4","5","7","2","4","7","1") = "6"
    & skf21("1","4","5","7","2","5","1","1") = "6"
    & skf21("1","4","5","7","2","5","2","1") = "6"
    & skf21("1","4","5","7","2","5","3","1") = "6"
    & skf21("1","4","5","7","2","5","4","1") = "6"
    & skf21("1","4","5","7","2","5","5","1") = "6"
    & skf21("1","4","5","7","2","5","6","1") = "6"
    & skf21("1","4","5","7","2","5","7","1") = "6"
    & skf21("1","4","5","7","2","6","1","1") = "6"
    & skf21("1","4","5","7","2","6","2","1") = "6"
    & skf21("1","4","5","7","2","6","3","1") = "6"
    & skf21("1","4","5","7","2","6","4","1") = "6"
    & skf21("1","4","5","7","2","6","5","1") = "6"
    & skf21("1","4","5","7","2","6","6","1") = "6"
    & skf21("1","4","5","7","2","6","7","1") = "6"
    & skf21("1","4","5","7","2","7","1","1") = "6"
    & skf21("1","4","5","7","2","7","2","1") = "6"
    & skf21("1","4","5","7","2","7","3","1") = "6"
    & skf21("1","4","5","7","2","7","4","1") = "6"
    & skf21("1","4","5","7","2","7","5","1") = "6"
    & skf21("1","4","5","7","2","7","6","1") = "6"
    & skf21("1","4","5","7","2","7","7","1") = "6"
    & skf21("1","4","5","7","3","1","1","1") = "6"
    & skf21("1","4","5","7","3","1","2","1") = "6"
    & skf21("1","4","5","7","3","1","3","1") = "6"
    & skf21("1","4","5","7","3","1","4","1") = "6"
    & skf21("1","4","5","7","3","1","5","1") = "6"
    & skf21("1","4","5","7","3","1","6","1") = "6"
    & skf21("1","4","5","7","3","1","7","1") = "6"
    & skf21("1","4","5","7","3","2","1","1") = "6"
    & skf21("1","4","5","7","3","2","2","1") = "6"
    & skf21("1","4","5","7","3","2","3","1") = "6"
    & skf21("1","4","5","7","3","2","4","1") = "6"
    & skf21("1","4","5","7","3","2","5","1") = "6"
    & skf21("1","4","5","7","3","2","6","1") = "6"
    & skf21("1","4","5","7","3","2","7","1") = "6"
    & skf21("1","4","5","7","3","3","1","1") = "6"
    & skf21("1","4","5","7","3","3","2","1") = "6"
    & skf21("1","4","5","7","3","3","3","1") = "6"
    & skf21("1","4","5","7","3","3","4","1") = "6"
    & skf21("1","4","5","7","3","3","5","1") = "6"
    & skf21("1","4","5","7","3","3","6","1") = "6"
    & skf21("1","4","5","7","3","3","7","1") = "6"
    & skf21("1","4","5","7","3","4","1","1") = "6"
    & skf21("1","4","5","7","3","4","2","1") = "6"
    & skf21("1","4","5","7","3","4","3","1") = "6"
    & skf21("1","4","5","7","3","4","4","1") = "6"
    & skf21("1","4","5","7","3","4","5","1") = "6"
    & skf21("1","4","5","7","3","4","6","1") = "6"
    & skf21("1","4","5","7","3","4","7","1") = "6"
    & skf21("1","4","5","7","3","5","1","1") = "6"
    & skf21("1","4","5","7","3","5","2","1") = "6"
    & skf21("1","4","5","7","3","5","3","1") = "6"
    & skf21("1","4","5","7","3","5","4","1") = "6"
    & skf21("1","4","5","7","3","5","5","1") = "6"
    & skf21("1","4","5","7","3","5","6","1") = "6"
    & skf21("1","4","5","7","3","5","7","1") = "6"
    & skf21("1","4","5","7","3","6","1","1") = "6"
    & skf21("1","4","5","7","3","6","2","1") = "6"
    & skf21("1","4","5","7","3","6","3","1") = "6"
    & skf21("1","4","5","7","3","6","4","1") = "6"
    & skf21("1","4","5","7","3","6","5","1") = "6"
    & skf21("1","4","5","7","3","6","6","1") = "6"
    & skf21("1","4","5","7","3","6","7","1") = "6"
    & skf21("1","4","5","7","3","7","1","1") = "6"
    & skf21("1","4","5","7","3","7","2","1") = "6"
    & skf21("1","4","5","7","3","7","3","1") = "6"
    & skf21("1","4","5","7","3","7","4","1") = "6"
    & skf21("1","4","5","7","3","7","5","1") = "6"
    & skf21("1","4","5","7","3","7","6","1") = "6"
    & skf21("1","4","5","7","3","7","7","1") = "6"
    & skf21("1","4","5","7","4","1","1","1") = "6"
    & skf21("1","4","5","7","4","1","2","1") = "6"
    & skf21("1","4","5","7","4","1","3","1") = "6"
    & skf21("1","4","5","7","4","1","4","1") = "6"
    & skf21("1","4","5","7","4","1","5","1") = "6"
    & skf21("1","4","5","7","4","1","6","1") = "6"
    & skf21("1","4","5","7","4","1","7","1") = "6"
    & skf21("1","4","5","7","4","2","1","1") = "6"
    & skf21("1","4","5","7","4","2","2","1") = "6"
    & skf21("1","4","5","7","4","2","3","1") = "6"
    & skf21("1","4","5","7","4","2","4","1") = "6"
    & skf21("1","4","5","7","4","2","5","1") = "6"
    & skf21("1","4","5","7","4","2","6","1") = "6"
    & skf21("1","4","5","7","4","2","7","1") = "6"
    & skf21("1","4","5","7","4","3","1","1") = "6"
    & skf21("1","4","5","7","4","3","2","1") = "6"
    & skf21("1","4","5","7","4","3","3","1") = "6"
    & skf21("1","4","5","7","4","3","4","1") = "6"
    & skf21("1","4","5","7","4","3","5","1") = "6"
    & skf21("1","4","5","7","4","3","6","1") = "6"
    & skf21("1","4","5","7","4","3","7","1") = "6"
    & skf21("1","4","5","7","4","4","1","1") = "6"
    & skf21("1","4","5","7","4","4","2","1") = "6"
    & skf21("1","4","5","7","4","4","3","1") = "6"
    & skf21("1","4","5","7","4","4","4","1") = "6"
    & skf21("1","4","5","7","4","4","5","1") = "6"
    & skf21("1","4","5","7","4","4","6","1") = "6"
    & skf21("1","4","5","7","4","4","7","1") = "6"
    & skf21("1","4","5","7","4","5","1","1") = "6"
    & skf21("1","4","5","7","4","5","2","1") = "6"
    & skf21("1","4","5","7","4","5","3","1") = "6"
    & skf21("1","4","5","7","4","5","4","1") = "6"
    & skf21("1","4","5","7","4","5","5","1") = "6"
    & skf21("1","4","5","7","4","5","6","1") = "6"
    & skf21("1","4","5","7","4","5","7","1") = "6"
    & skf21("1","4","5","7","4","6","1","1") = "6"
    & skf21("1","4","5","7","4","6","2","1") = "6"
    & skf21("1","4","5","7","4","6","3","1") = "6"
    & skf21("1","4","5","7","4","6","4","1") = "6"
    & skf21("1","4","5","7","4","6","5","1") = "6"
    & skf21("1","4","5","7","4","6","6","1") = "6"
    & skf21("1","4","5","7","4","6","7","1") = "6"
    & skf21("1","4","5","7","4","7","1","1") = "6"
    & skf21("1","4","5","7","4","7","2","1") = "6"
    & skf21("1","4","5","7","4","7","3","1") = "6"
    & skf21("1","4","5","7","4","7","4","1") = "6"
    & skf21("1","4","5","7","4","7","5","1") = "6"
    & skf21("1","4","5","7","4","7","6","1") = "6"
    & skf21("1","4","5","7","4","7","7","1") = "6"
    & skf21("1","4","5","7","5","1","1","1") = "6"
    & skf21("1","4","5","7","5","1","2","1") = "6"
    & skf21("1","4","5","7","5","1","3","1") = "6"
    & skf21("1","4","5","7","5","1","4","1") = "6"
    & skf21("1","4","5","7","5","1","5","1") = "6"
    & skf21("1","4","5","7","5","1","6","1") = "6"
    & skf21("1","4","5","7","5","1","7","1") = "6"
    & skf21("1","4","5","7","5","2","1","1") = "6"
    & skf21("1","4","5","7","5","2","2","1") = "6"
    & skf21("1","4","5","7","5","2","3","1") = "6"
    & skf21("1","4","5","7","5","2","4","1") = "6"
    & skf21("1","4","5","7","5","2","5","1") = "6"
    & skf21("1","4","5","7","5","2","6","1") = "6"
    & skf21("1","4","5","7","5","2","7","1") = "6"
    & skf21("1","4","5","7","5","3","1","1") = "6"
    & skf21("1","4","5","7","5","3","2","1") = "6"
    & skf21("1","4","5","7","5","3","3","1") = "6"
    & skf21("1","4","5","7","5","3","4","1") = "6"
    & skf21("1","4","5","7","5","3","5","1") = "6"
    & skf21("1","4","5","7","5","3","6","1") = "6"
    & skf21("1","4","5","7","5","3","7","1") = "6"
    & skf21("1","4","5","7","5","4","1","1") = "6"
    & skf21("1","4","5","7","5","4","2","1") = "6"
    & skf21("1","4","5","7","5","4","3","1") = "6"
    & skf21("1","4","5","7","5","4","4","1") = "6"
    & skf21("1","4","5","7","5","4","5","1") = "6"
    & skf21("1","4","5","7","5","4","6","1") = "6"
    & skf21("1","4","5","7","5","4","7","1") = "6"
    & skf21("1","4","5","7","5","5","1","1") = "6"
    & skf21("1","4","5","7","5","5","2","1") = "6"
    & skf21("1","4","5","7","5","5","3","1") = "6"
    & skf21("1","4","5","7","5","5","4","1") = "6"
    & skf21("1","4","5","7","5","5","5","1") = "6"
    & skf21("1","4","5","7","5","5","6","1") = "6"
    & skf21("1","4","5","7","5","5","7","1") = "6"
    & skf21("1","4","5","7","5","6","1","1") = "6"
    & skf21("1","4","5","7","5","6","2","1") = "6"
    & skf21("1","4","5","7","5","6","3","1") = "6"
    & skf21("1","4","5","7","5","6","4","1") = "6"
    & skf21("1","4","5","7","5","6","5","1") = "6"
    & skf21("1","4","5","7","5","6","6","1") = "6"
    & skf21("1","4","5","7","5","6","7","1") = "6"
    & skf21("1","4","5","7","5","7","1","1") = "6"
    & skf21("1","4","5","7","5","7","2","1") = "6"
    & skf21("1","4","5","7","5","7","3","1") = "6"
    & skf21("1","4","5","7","5","7","4","1") = "6"
    & skf21("1","4","5","7","5","7","5","1") = "6"
    & skf21("1","4","5","7","5","7","6","1") = "6"
    & skf21("1","4","5","7","5","7","7","1") = "6"
    & skf21("1","4","5","7","6","1","1","1") = "6"
    & skf21("1","4","5","7","6","1","2","1") = "6"
    & skf21("1","4","5","7","6","1","3","1") = "6"
    & skf21("1","4","5","7","6","1","4","1") = "6"
    & skf21("1","4","5","7","6","1","5","1") = "6"
    & skf21("1","4","5","7","6","1","6","1") = "6"
    & skf21("1","4","5","7","6","1","7","1") = "6"
    & skf21("1","4","5","7","6","2","1","1") = "6"
    & skf21("1","4","5","7","6","2","2","1") = "6"
    & skf21("1","4","5","7","6","2","3","1") = "6"
    & skf21("1","4","5","7","6","2","4","1") = "6"
    & skf21("1","4","5","7","6","2","5","1") = "6"
    & skf21("1","4","5","7","6","2","6","1") = "6"
    & skf21("1","4","5","7","6","2","7","1") = "6"
    & skf21("1","4","5","7","6","3","1","1") = "6"
    & skf21("1","4","5","7","6","3","2","1") = "6"
    & skf21("1","4","5","7","6","3","3","1") = "6"
    & skf21("1","4","5","7","6","3","4","1") = "6"
    & skf21("1","4","5","7","6","3","5","1") = "6"
    & skf21("1","4","5","7","6","3","6","1") = "6"
    & skf21("1","4","5","7","6","3","7","1") = "6"
    & skf21("1","4","5","7","6","4","1","1") = "6"
    & skf21("1","4","5","7","6","4","2","1") = "6"
    & skf21("1","4","5","7","6","4","3","1") = "6"
    & skf21("1","4","5","7","6","4","4","1") = "6"
    & skf21("1","4","5","7","6","4","5","1") = "6"
    & skf21("1","4","5","7","6","4","6","1") = "6"
    & skf21("1","4","5","7","6","4","7","1") = "6"
    & skf21("1","4","5","7","6","5","1","1") = "6"
    & skf21("1","4","5","7","6","5","2","1") = "6"
    & skf21("1","4","5","7","6","5","3","1") = "6"
    & skf21("1","4","5","7","6","5","4","1") = "6"
    & skf21("1","4","5","7","6","5","5","1") = "6"
    & skf21("1","4","5","7","6","5","6","1") = "6"
    & skf21("1","4","5","7","6","5","7","1") = "6"
    & skf21("1","4","5","7","6","6","1","1") = "6"
    & skf21("1","4","5","7","6","6","2","1") = "6"
    & skf21("1","4","5","7","6","6","3","1") = "6"
    & skf21("1","4","5","7","6","6","4","1") = "6"
    & skf21("1","4","5","7","6","6","5","1") = "6"
    & skf21("1","4","5","7","6","6","6","1") = "6"
    & skf21("1","4","5","7","6","6","7","1") = "6"
    & skf21("1","4","5","7","6","7","1","1") = "6"
    & skf21("1","4","5","7","6","7","2","1") = "6"
    & skf21("1","4","5","7","6","7","3","1") = "6"
    & skf21("1","4","5","7","6","7","4","1") = "6"
    & skf21("1","4","5","7","6","7","5","1") = "6"
    & skf21("1","4","5","7","6","7","6","1") = "6"
    & skf21("1","4","5","7","6","7","7","1") = "6"
    & skf21("1","4","5","7","7","1","1","1") = "6"
    & skf21("1","4","5","7","7","1","2","1") = "6"
    & skf21("1","4","5","7","7","1","3","1") = "6"
    & skf21("1","4","5","7","7","1","4","1") = "6"
    & skf21("1","4","5","7","7","1","5","1") = "6"
    & skf21("1","4","5","7","7","1","6","1") = "6"
    & skf21("1","4","5","7","7","1","7","1") = "6"
    & skf21("1","4","5","7","7","2","1","1") = "6"
    & skf21("1","4","5","7","7","2","2","1") = "6"
    & skf21("1","4","5","7","7","2","3","1") = "6"
    & skf21("1","4","5","7","7","2","4","1") = "6"
    & skf21("1","4","5","7","7","2","5","1") = "6"
    & skf21("1","4","5","7","7","2","6","1") = "6"
    & skf21("1","4","5","7","7","2","7","1") = "6"
    & skf21("1","4","5","7","7","3","1","1") = "6"
    & skf21("1","4","5","7","7","3","2","1") = "6"
    & skf21("1","4","5","7","7","3","3","1") = "6"
    & skf21("1","4","5","7","7","3","4","1") = "6"
    & skf21("1","4","5","7","7","3","5","1") = "6"
    & skf21("1","4","5","7","7","3","6","1") = "6"
    & skf21("1","4","5","7","7","3","7","1") = "6"
    & skf21("1","4","5","7","7","4","1","1") = "6"
    & skf21("1","4","5","7","7","4","2","1") = "6"
    & skf21("1","4","5","7","7","4","3","1") = "6"
    & skf21("1","4","5","7","7","4","4","1") = "6"
    & skf21("1","4","5","7","7","4","5","1") = "6"
    & skf21("1","4","5","7","7","4","6","1") = "6"
    & skf21("1","4","5","7","7","4","7","1") = "6"
    & skf21("1","4","5","7","7","5","1","1") = "6"
    & skf21("1","4","5","7","7","5","2","1") = "6"
    & skf21("1","4","5","7","7","5","3","1") = "6"
    & skf21("1","4","5","7","7","5","4","1") = "6"
    & skf21("1","4","5","7","7","5","5","1") = "6"
    & skf21("1","4","5","7","7","5","6","1") = "6"
    & skf21("1","4","5","7","7","5","7","1") = "6"
    & skf21("1","4","5","7","7","6","1","1") = "6"
    & skf21("1","4","5","7","7","6","2","1") = "6"
    & skf21("1","4","5","7","7","6","3","1") = "6"
    & skf21("1","4","5","7","7","6","4","1") = "6"
    & skf21("1","4","5","7","7","6","5","1") = "6"
    & skf21("1","4","5","7","7","6","6","1") = "6"
    & skf21("1","4","5","7","7","6","7","1") = "6"
    & skf21("1","4","5","7","7","7","1","1") = "6"
    & skf21("1","4","5","7","7","7","2","1") = "6"
    & skf21("1","4","5","7","7","7","3","1") = "6"
    & skf21("1","4","5","7","7","7","4","1") = "6"
    & skf21("1","4","5","7","7","7","5","1") = "6"
    & skf21("1","4","5","7","7","7","6","1") = "6"
    & skf21("1","4","5","7","7","7","7","1") = "6"
    & skf21("1","4","6","1","1","1","1","1") = "5"
    & skf21("1","4","6","1","1","1","2","1") = "5"
    & skf21("1","4","6","1","1","1","3","1") = "5"
    & skf21("1","4","6","1","1","1","4","1") = "5"
    & skf21("1","4","6","1","1","1","5","1") = "5"
    & skf21("1","4","6","1","1","1","6","1") = "5"
    & skf21("1","4","6","1","1","1","7","1") = "6"
    & skf21("1","4","6","1","1","2","1","1") = "5"
    & skf21("1","4","6","1","1","2","2","1") = "5"
    & skf21("1","4","6","1","1","2","3","1") = "5"
    & skf21("1","4","6","1","1","2","4","1") = "5"
    & skf21("1","4","6","1","1","2","5","1") = "5"
    & skf21("1","4","6","1","1","2","6","1") = "5"
    & skf21("1","4","6","1","1","2","7","1") = "6"
    & skf21("1","4","6","1","1","3","1","1") = "5"
    & skf21("1","4","6","1","1","3","2","1") = "5"
    & skf21("1","4","6","1","1","3","3","1") = "5"
    & skf21("1","4","6","1","1","3","4","1") = "5"
    & skf21("1","4","6","1","1","3","5","1") = "5"
    & skf21("1","4","6","1","1","3","6","1") = "5"
    & skf21("1","4","6","1","1","3","7","1") = "6"
    & skf21("1","4","6","1","1","4","1","1") = "5"
    & skf21("1","4","6","1","1","4","2","1") = "5"
    & skf21("1","4","6","1","1","4","3","1") = "5"
    & skf21("1","4","6","1","1","4","4","1") = "5"
    & skf21("1","4","6","1","1","4","5","1") = "5"
    & skf21("1","4","6","1","1","4","6","1") = "5"
    & skf21("1","4","6","1","1","4","7","1") = "6"
    & skf21("1","4","6","1","1","5","1","1") = "5"
    & skf21("1","4","6","1","1","5","2","1") = "5"
    & skf21("1","4","6","1","1","5","3","1") = "5"
    & skf21("1","4","6","1","1","5","4","1") = "5"
    & skf21("1","4","6","1","1","5","5","1") = "5"
    & skf21("1","4","6","1","1","5","6","1") = "5"
    & skf21("1","4","6","1","1","5","7","1") = "6"
    & skf21("1","4","6","1","1","6","1","1") = "5"
    & skf21("1","4","6","1","1","6","2","1") = "5"
    & skf21("1","4","6","1","1","6","3","1") = "5"
    & skf21("1","4","6","1","1","6","4","1") = "5"
    & skf21("1","4","6","1","1","6","5","1") = "5"
    & skf21("1","4","6","1","1","6","6","1") = "5"
    & skf21("1","4","6","1","1","6","7","1") = "6"
    & skf21("1","4","6","1","1","7","1","1") = "6"
    & skf21("1","4","6","1","1","7","2","1") = "6"
    & skf21("1","4","6","1","1","7","3","1") = "6"
    & skf21("1","4","6","1","1","7","4","1") = "6"
    & skf21("1","4","6","1","1","7","5","1") = "6"
    & skf21("1","4","6","1","1","7","6","1") = "6"
    & skf21("1","4","6","1","1","7","7","1") = "6"
    & skf21("1","4","6","1","2","1","1","1") = "5"
    & skf21("1","4","6","1","2","1","2","1") = "5"
    & skf21("1","4","6","1","2","1","3","1") = "5"
    & skf21("1","4","6","1","2","1","4","1") = "5"
    & skf21("1","4","6","1","2","1","5","1") = "5"
    & skf21("1","4","6","1","2","1","6","1") = "5"
    & skf21("1","4","6","1","2","1","7","1") = "6"
    & skf21("1","4","6","1","2","2","1","1") = "5"
    & skf21("1","4","6","1","2","2","2","1") = "5"
    & skf21("1","4","6","1","2","2","3","1") = "5"
    & skf21("1","4","6","1","2","2","4","1") = "5"
    & skf21("1","4","6","1","2","2","5","1") = "5"
    & skf21("1","4","6","1","2","2","6","1") = "5"
    & skf21("1","4","6","1","2","2","7","1") = "6"
    & skf21("1","4","6","1","2","3","1","1") = "5"
    & skf21("1","4","6","1","2","3","2","1") = "5"
    & skf21("1","4","6","1","2","3","3","1") = "5"
    & skf21("1","4","6","1","2","3","4","1") = "5"
    & skf21("1","4","6","1","2","3","5","1") = "5"
    & skf21("1","4","6","1","2","3","6","1") = "5"
    & skf21("1","4","6","1","2","3","7","1") = "6"
    & skf21("1","4","6","1","2","4","1","1") = "5"
    & skf21("1","4","6","1","2","4","2","1") = "5"
    & skf21("1","4","6","1","2","4","3","1") = "5"
    & skf21("1","4","6","1","2","4","4","1") = "5"
    & skf21("1","4","6","1","2","4","5","1") = "5"
    & skf21("1","4","6","1","2","4","6","1") = "5"
    & skf21("1","4","6","1","2","4","7","1") = "6"
    & skf21("1","4","6","1","2","5","1","1") = "5"
    & skf21("1","4","6","1","2","5","2","1") = "5"
    & skf21("1","4","6","1","2","5","3","1") = "5"
    & skf21("1","4","6","1","2","5","4","1") = "5"
    & skf21("1","4","6","1","2","5","5","1") = "5"
    & skf21("1","4","6","1","2","5","6","1") = "5"
    & skf21("1","4","6","1","2","5","7","1") = "6"
    & skf21("1","4","6","1","2","6","1","1") = "5"
    & skf21("1","4","6","1","2","6","2","1") = "5"
    & skf21("1","4","6","1","2","6","3","1") = "5"
    & skf21("1","4","6","1","2","6","4","1") = "5"
    & skf21("1","4","6","1","2","6","5","1") = "5"
    & skf21("1","4","6","1","2","6","6","1") = "5"
    & skf21("1","4","6","1","2","6","7","1") = "6"
    & skf21("1","4","6","1","2","7","1","1") = "6"
    & skf21("1","4","6","1","2","7","2","1") = "6"
    & skf21("1","4","6","1","2","7","3","1") = "6"
    & skf21("1","4","6","1","2","7","4","1") = "6"
    & skf21("1","4","6","1","2","7","5","1") = "6"
    & skf21("1","4","6","1","2","7","6","1") = "6"
    & skf21("1","4","6","1","2","7","7","1") = "6"
    & skf21("1","4","6","1","3","1","1","1") = "5"
    & skf21("1","4","6","1","3","1","2","1") = "5"
    & skf21("1","4","6","1","3","1","3","1") = "5"
    & skf21("1","4","6","1","3","1","4","1") = "5"
    & skf21("1","4","6","1","3","1","5","1") = "5"
    & skf21("1","4","6","1","3","1","6","1") = "5"
    & skf21("1","4","6","1","3","1","7","1") = "6"
    & skf21("1","4","6","1","3","2","1","1") = "5"
    & skf21("1","4","6","1","3","2","2","1") = "5"
    & skf21("1","4","6","1","3","2","3","1") = "5"
    & skf21("1","4","6","1","3","2","4","1") = "5"
    & skf21("1","4","6","1","3","2","5","1") = "5"
    & skf21("1","4","6","1","3","2","6","1") = "5"
    & skf21("1","4","6","1","3","2","7","1") = "6"
    & skf21("1","4","6","1","3","3","1","1") = "5"
    & skf21("1","4","6","1","3","3","2","1") = "5"
    & skf21("1","4","6","1","3","3","3","1") = "5"
    & skf21("1","4","6","1","3","3","4","1") = "5"
    & skf21("1","4","6","1","3","3","5","1") = "5"
    & skf21("1","4","6","1","3","3","6","1") = "5"
    & skf21("1","4","6","1","3","3","7","1") = "6"
    & skf21("1","4","6","1","3","4","1","1") = "5"
    & skf21("1","4","6","1","3","4","2","1") = "5"
    & skf21("1","4","6","1","3","4","3","1") = "5"
    & skf21("1","4","6","1","3","4","4","1") = "5"
    & skf21("1","4","6","1","3","4","5","1") = "5"
    & skf21("1","4","6","1","3","4","6","1") = "5"
    & skf21("1","4","6","1","3","4","7","1") = "6"
    & skf21("1","4","6","1","3","5","1","1") = "5"
    & skf21("1","4","6","1","3","5","2","1") = "5"
    & skf21("1","4","6","1","3","5","3","1") = "5"
    & skf21("1","4","6","1","3","5","4","1") = "5"
    & skf21("1","4","6","1","3","5","5","1") = "5"
    & skf21("1","4","6","1","3","5","6","1") = "5"
    & skf21("1","4","6","1","3","5","7","1") = "6"
    & skf21("1","4","6","1","3","6","1","1") = "5"
    & skf21("1","4","6","1","3","6","2","1") = "5"
    & skf21("1","4","6","1","3","6","3","1") = "5"
    & skf21("1","4","6","1","3","6","4","1") = "5"
    & skf21("1","4","6","1","3","6","5","1") = "5"
    & skf21("1","4","6","1","3","6","6","1") = "5"
    & skf21("1","4","6","1","3","6","7","1") = "6"
    & skf21("1","4","6","1","3","7","1","1") = "6"
    & skf21("1","4","6","1","3","7","2","1") = "6"
    & skf21("1","4","6","1","3","7","3","1") = "6"
    & skf21("1","4","6","1","3","7","4","1") = "6"
    & skf21("1","4","6","1","3","7","5","1") = "6"
    & skf21("1","4","6","1","3","7","6","1") = "6"
    & skf21("1","4","6","1","3","7","7","1") = "6"
    & skf21("1","4","6","1","4","1","1","1") = "5"
    & skf21("1","4","6","1","4","1","2","1") = "5"
    & skf21("1","4","6","1","4","1","3","1") = "5"
    & skf21("1","4","6","1","4","1","4","1") = "5"
    & skf21("1","4","6","1","4","1","5","1") = "5"
    & skf21("1","4","6","1","4","1","6","1") = "5"
    & skf21("1","4","6","1","4","1","7","1") = "6"
    & skf21("1","4","6","1","4","2","1","1") = "5"
    & skf21("1","4","6","1","4","2","2","1") = "5"
    & skf21("1","4","6","1","4","2","3","1") = "5"
    & skf21("1","4","6","1","4","2","4","1") = "5"
    & skf21("1","4","6","1","4","2","5","1") = "5"
    & skf21("1","4","6","1","4","2","6","1") = "5"
    & skf21("1","4","6","1","4","2","7","1") = "6"
    & skf21("1","4","6","1","4","3","1","1") = "5"
    & skf21("1","4","6","1","4","3","2","1") = "5"
    & skf21("1","4","6","1","4","3","3","1") = "5"
    & skf21("1","4","6","1","4","3","4","1") = "5"
    & skf21("1","4","6","1","4","3","5","1") = "5"
    & skf21("1","4","6","1","4","3","6","1") = "5"
    & skf21("1","4","6","1","4","3","7","1") = "6"
    & skf21("1","4","6","1","4","4","1","1") = "5"
    & skf21("1","4","6","1","4","4","2","1") = "5"
    & skf21("1","4","6","1","4","4","3","1") = "5"
    & skf21("1","4","6","1","4","4","4","1") = "5"
    & skf21("1","4","6","1","4","4","5","1") = "5"
    & skf21("1","4","6","1","4","4","6","1") = "5"
    & skf21("1","4","6","1","4","4","7","1") = "6"
    & skf21("1","4","6","1","4","5","1","1") = "5"
    & skf21("1","4","6","1","4","5","2","1") = "5"
    & skf21("1","4","6","1","4","5","3","1") = "5"
    & skf21("1","4","6","1","4","5","4","1") = "5"
    & skf21("1","4","6","1","4","5","5","1") = "5"
    & skf21("1","4","6","1","4","5","6","1") = "5"
    & skf21("1","4","6","1","4","5","7","1") = "6"
    & skf21("1","4","6","1","4","6","1","1") = "5"
    & skf21("1","4","6","1","4","6","2","1") = "5"
    & skf21("1","4","6","1","4","6","3","1") = "5"
    & skf21("1","4","6","1","4","6","4","1") = "5"
    & skf21("1","4","6","1","4","6","5","1") = "5"
    & skf21("1","4","6","1","4","6","6","1") = "5"
    & skf21("1","4","6","1","4","6","7","1") = "6"
    & skf21("1","4","6","1","4","7","1","1") = "6"
    & skf21("1","4","6","1","4","7","2","1") = "6"
    & skf21("1","4","6","1","4","7","3","1") = "6"
    & skf21("1","4","6","1","4","7","4","1") = "6"
    & skf21("1","4","6","1","4","7","5","1") = "6"
    & skf21("1","4","6","1","4","7","6","1") = "6"
    & skf21("1","4","6","1","4","7","7","1") = "6"
    & skf21("1","4","6","1","5","1","1","1") = "5"
    & skf21("1","4","6","1","5","1","2","1") = "5"
    & skf21("1","4","6","1","5","1","3","1") = "5"
    & skf21("1","4","6","1","5","1","4","1") = "5"
    & skf21("1","4","6","1","5","1","5","1") = "5"
    & skf21("1","4","6","1","5","1","6","1") = "5"
    & skf21("1","4","6","1","5","1","7","1") = "6"
    & skf21("1","4","6","1","5","2","1","1") = "5"
    & skf21("1","4","6","1","5","2","2","1") = "5"
    & skf21("1","4","6","1","5","2","3","1") = "5"
    & skf21("1","4","6","1","5","2","4","1") = "5"
    & skf21("1","4","6","1","5","2","5","1") = "5"
    & skf21("1","4","6","1","5","2","6","1") = "5"
    & skf21("1","4","6","1","5","2","7","1") = "6"
    & skf21("1","4","6","1","5","3","1","1") = "5"
    & skf21("1","4","6","1","5","3","2","1") = "5"
    & skf21("1","4","6","1","5","3","3","1") = "5"
    & skf21("1","4","6","1","5","3","4","1") = "5"
    & skf21("1","4","6","1","5","3","5","1") = "5"
    & skf21("1","4","6","1","5","3","6","1") = "5"
    & skf21("1","4","6","1","5","3","7","1") = "6"
    & skf21("1","4","6","1","5","4","1","1") = "5"
    & skf21("1","4","6","1","5","4","2","1") = "5"
    & skf21("1","4","6","1","5","4","3","1") = "5"
    & skf21("1","4","6","1","5","4","4","1") = "5"
    & skf21("1","4","6","1","5","4","5","1") = "5"
    & skf21("1","4","6","1","5","4","6","1") = "5"
    & skf21("1","4","6","1","5","4","7","1") = "6"
    & skf21("1","4","6","1","5","5","1","1") = "5"
    & skf21("1","4","6","1","5","5","2","1") = "5"
    & skf21("1","4","6","1","5","5","3","1") = "5"
    & skf21("1","4","6","1","5","5","4","1") = "5"
    & skf21("1","4","6","1","5","5","5","1") = "5"
    & skf21("1","4","6","1","5","5","6","1") = "5"
    & skf21("1","4","6","1","5","5","7","1") = "6"
    & skf21("1","4","6","1","5","6","1","1") = "5"
    & skf21("1","4","6","1","5","6","2","1") = "5"
    & skf21("1","4","6","1","5","6","3","1") = "5"
    & skf21("1","4","6","1","5","6","4","1") = "5"
    & skf21("1","4","6","1","5","6","5","1") = "5"
    & skf21("1","4","6","1","5","6","6","1") = "5"
    & skf21("1","4","6","1","5","6","7","1") = "6"
    & skf21("1","4","6","1","5","7","1","1") = "6"
    & skf21("1","4","6","1","5","7","2","1") = "6"
    & skf21("1","4","6","1","5","7","3","1") = "6"
    & skf21("1","4","6","1","5","7","4","1") = "6"
    & skf21("1","4","6","1","5","7","5","1") = "6"
    & skf21("1","4","6","1","5","7","6","1") = "6"
    & skf21("1","4","6","1","5","7","7","1") = "6"
    & skf21("1","4","6","1","6","1","1","1") = "5"
    & skf21("1","4","6","1","6","1","2","1") = "5"
    & skf21("1","4","6","1","6","1","3","1") = "5"
    & skf21("1","4","6","1","6","1","4","1") = "5"
    & skf21("1","4","6","1","6","1","5","1") = "5"
    & skf21("1","4","6","1","6","1","6","1") = "5"
    & skf21("1","4","6","1","6","1","7","1") = "6"
    & skf21("1","4","6","1","6","2","1","1") = "5"
    & skf21("1","4","6","1","6","2","2","1") = "5"
    & skf21("1","4","6","1","6","2","3","1") = "5"
    & skf21("1","4","6","1","6","2","4","1") = "5"
    & skf21("1","4","6","1","6","2","5","1") = "5"
    & skf21("1","4","6","1","6","2","6","1") = "5"
    & skf21("1","4","6","1","6","2","7","1") = "6"
    & skf21("1","4","6","1","6","3","1","1") = "5"
    & skf21("1","4","6","1","6","3","2","1") = "5"
    & skf21("1","4","6","1","6","3","3","1") = "5"
    & skf21("1","4","6","1","6","3","4","1") = "5"
    & skf21("1","4","6","1","6","3","5","1") = "5"
    & skf21("1","4","6","1","6","3","6","1") = "5"
    & skf21("1","4","6","1","6","3","7","1") = "6"
    & skf21("1","4","6","1","6","4","1","1") = "5"
    & skf21("1","4","6","1","6","4","2","1") = "5"
    & skf21("1","4","6","1","6","4","3","1") = "5"
    & skf21("1","4","6","1","6","4","4","1") = "5"
    & skf21("1","4","6","1","6","4","5","1") = "5"
    & skf21("1","4","6","1","6","4","6","1") = "5"
    & skf21("1","4","6","1","6","4","7","1") = "6"
    & skf21("1","4","6","1","6","5","1","1") = "5"
    & skf21("1","4","6","1","6","5","2","1") = "5"
    & skf21("1","4","6","1","6","5","3","1") = "5"
    & skf21("1","4","6","1","6","5","4","1") = "5"
    & skf21("1","4","6","1","6","5","5","1") = "5"
    & skf21("1","4","6","1","6","5","6","1") = "5"
    & skf21("1","4","6","1","6","5","7","1") = "6"
    & skf21("1","4","6","1","6","6","1","1") = "5"
    & skf21("1","4","6","1","6","6","2","1") = "5"
    & skf21("1","4","6","1","6","6","3","1") = "5"
    & skf21("1","4","6","1","6","6","4","1") = "5"
    & skf21("1","4","6","1","6","6","5","1") = "5"
    & skf21("1","4","6","1","6","6","6","1") = "5"
    & skf21("1","4","6","1","6","6","7","1") = "6"
    & skf21("1","4","6","1","6","7","1","1") = "6"
    & skf21("1","4","6","1","6","7","2","1") = "6"
    & skf21("1","4","6","1","6","7","3","1") = "6"
    & skf21("1","4","6","1","6","7","4","1") = "6"
    & skf21("1","4","6","1","6","7","5","1") = "6"
    & skf21("1","4","6","1","6","7","6","1") = "6"
    & skf21("1","4","6","1","6","7","7","1") = "6"
    & skf21("1","4","6","1","7","1","1","1") = "6"
    & skf21("1","4","6","1","7","1","2","1") = "6"
    & skf21("1","4","6","1","7","1","3","1") = "6"
    & skf21("1","4","6","1","7","1","4","1") = "6"
    & skf21("1","4","6","1","7","1","5","1") = "6"
    & skf21("1","4","6","1","7","1","6","1") = "6"
    & skf21("1","4","6","1","7","1","7","1") = "6"
    & skf21("1","4","6","1","7","2","1","1") = "6"
    & skf21("1","4","6","1","7","2","2","1") = "6"
    & skf21("1","4","6","1","7","2","3","1") = "6"
    & skf21("1","4","6","1","7","2","4","1") = "6"
    & skf21("1","4","6","1","7","2","5","1") = "6"
    & skf21("1","4","6","1","7","2","6","1") = "6"
    & skf21("1","4","6","1","7","2","7","1") = "6"
    & skf21("1","4","6","1","7","3","1","1") = "6"
    & skf21("1","4","6","1","7","3","2","1") = "6"
    & skf21("1","4","6","1","7","3","3","1") = "6"
    & skf21("1","4","6","1","7","3","4","1") = "6"
    & skf21("1","4","6","1","7","3","5","1") = "6"
    & skf21("1","4","6","1","7","3","6","1") = "6"
    & skf21("1","4","6","1","7","3","7","1") = "6"
    & skf21("1","4","6","1","7","4","1","1") = "6"
    & skf21("1","4","6","1","7","4","2","1") = "6"
    & skf21("1","4","6","1","7","4","3","1") = "6"
    & skf21("1","4","6","1","7","4","4","1") = "6"
    & skf21("1","4","6","1","7","4","5","1") = "6"
    & skf21("1","4","6","1","7","4","6","1") = "6"
    & skf21("1","4","6","1","7","4","7","1") = "6"
    & skf21("1","4","6","1","7","5","1","1") = "6"
    & skf21("1","4","6","1","7","5","2","1") = "6"
    & skf21("1","4","6","1","7","5","3","1") = "6"
    & skf21("1","4","6","1","7","5","4","1") = "6"
    & skf21("1","4","6","1","7","5","5","1") = "6"
    & skf21("1","4","6","1","7","5","6","1") = "6"
    & skf21("1","4","6","1","7","5","7","1") = "6"
    & skf21("1","4","6","1","7","6","1","1") = "6"
    & skf21("1","4","6","1","7","6","2","1") = "6"
    & skf21("1","4","6","1","7","6","3","1") = "6"
    & skf21("1","4","6","1","7","6","4","1") = "6"
    & skf21("1","4","6","1","7","6","5","1") = "6"
    & skf21("1","4","6","1","7","6","6","1") = "6"
    & skf21("1","4","6","1","7","6","7","1") = "6"
    & skf21("1","4","6","1","7","7","1","1") = "6"
    & skf21("1","4","6","1","7","7","2","1") = "6"
    & skf21("1","4","6","1","7","7","3","1") = "6"
    & skf21("1","4","6","1","7","7","4","1") = "6"
    & skf21("1","4","6","1","7","7","5","1") = "6"
    & skf21("1","4","6","1","7","7","6","1") = "6"
    & skf21("1","4","6","1","7","7","7","1") = "6"
    & skf21("1","4","6","2","1","1","1","1") = "5"
    & skf21("1","4","6","2","1","1","2","1") = "5"
    & skf21("1","4","6","2","1","1","3","1") = "5"
    & skf21("1","4","6","2","1","1","4","1") = "5"
    & skf21("1","4","6","2","1","1","5","1") = "5"
    & skf21("1","4","6","2","1","1","6","1") = "5"
    & skf21("1","4","6","2","1","1","7","1") = "6"
    & skf21("1","4","6","2","1","2","1","1") = "5"
    & skf21("1","4","6","2","1","2","2","1") = "5"
    & skf21("1","4","6","2","1","2","3","1") = "5"
    & skf21("1","4","6","2","1","2","4","1") = "5"
    & skf21("1","4","6","2","1","2","5","1") = "5"
    & skf21("1","4","6","2","1","2","6","1") = "5"
    & skf21("1","4","6","2","1","2","7","1") = "6"
    & skf21("1","4","6","2","1","3","1","1") = "5"
    & skf21("1","4","6","2","1","3","2","1") = "5"
    & skf21("1","4","6","2","1","3","3","1") = "5"
    & skf21("1","4","6","2","1","3","4","1") = "5"
    & skf21("1","4","6","2","1","3","5","1") = "5"
    & skf21("1","4","6","2","1","3","6","1") = "5"
    & skf21("1","4","6","2","1","3","7","1") = "6"
    & skf21("1","4","6","2","1","4","1","1") = "5"
    & skf21("1","4","6","2","1","4","2","1") = "5"
    & skf21("1","4","6","2","1","4","3","1") = "5"
    & skf21("1","4","6","2","1","4","4","1") = "5"
    & skf21("1","4","6","2","1","4","5","1") = "5"
    & skf21("1","4","6","2","1","4","6","1") = "5"
    & skf21("1","4","6","2","1","4","7","1") = "6"
    & skf21("1","4","6","2","1","5","1","1") = "5"
    & skf21("1","4","6","2","1","5","2","1") = "5"
    & skf21("1","4","6","2","1","5","3","1") = "5"
    & skf21("1","4","6","2","1","5","4","1") = "5"
    & skf21("1","4","6","2","1","5","5","1") = "5"
    & skf21("1","4","6","2","1","5","6","1") = "5"
    & skf21("1","4","6","2","1","5","7","1") = "6"
    & skf21("1","4","6","2","1","6","1","1") = "5"
    & skf21("1","4","6","2","1","6","2","1") = "5"
    & skf21("1","4","6","2","1","6","3","1") = "5"
    & skf21("1","4","6","2","1","6","4","1") = "5"
    & skf21("1","4","6","2","1","6","5","1") = "5"
    & skf21("1","4","6","2","1","6","6","1") = "5"
    & skf21("1","4","6","2","1","6","7","1") = "6"
    & skf21("1","4","6","2","1","7","1","1") = "6"
    & skf21("1","4","6","2","1","7","2","1") = "6"
    & skf21("1","4","6","2","1","7","3","1") = "6"
    & skf21("1","4","6","2","1","7","4","1") = "6"
    & skf21("1","4","6","2","1","7","5","1") = "6"
    & skf21("1","4","6","2","1","7","6","1") = "6"
    & skf21("1","4","6","2","1","7","7","1") = "6"
    & skf21("1","4","6","2","2","1","1","1") = "5"
    & skf21("1","4","6","2","2","1","2","1") = "5"
    & skf21("1","4","6","2","2","1","3","1") = "5"
    & skf21("1","4","6","2","2","1","4","1") = "5"
    & skf21("1","4","6","2","2","1","5","1") = "5"
    & skf21("1","4","6","2","2","1","6","1") = "5"
    & skf21("1","4","6","2","2","1","7","1") = "6"
    & skf21("1","4","6","2","2","2","1","1") = "5"
    & skf21("1","4","6","2","2","2","2","1") = "5"
    & skf21("1","4","6","2","2","2","3","1") = "5"
    & skf21("1","4","6","2","2","2","4","1") = "5"
    & skf21("1","4","6","2","2","2","5","1") = "5"
    & skf21("1","4","6","2","2","2","6","1") = "5"
    & skf21("1","4","6","2","2","2","7","1") = "6"
    & skf21("1","4","6","2","2","3","1","1") = "5"
    & skf21("1","4","6","2","2","3","2","1") = "5"
    & skf21("1","4","6","2","2","3","3","1") = "5"
    & skf21("1","4","6","2","2","3","4","1") = "5"
    & skf21("1","4","6","2","2","3","5","1") = "5"
    & skf21("1","4","6","2","2","3","6","1") = "5"
    & skf21("1","4","6","2","2","3","7","1") = "6"
    & skf21("1","4","6","2","2","4","1","1") = "5"
    & skf21("1","4","6","2","2","4","2","1") = "5"
    & skf21("1","4","6","2","2","4","3","1") = "5"
    & skf21("1","4","6","2","2","4","4","1") = "5"
    & skf21("1","4","6","2","2","4","5","1") = "5"
    & skf21("1","4","6","2","2","4","6","1") = "5"
    & skf21("1","4","6","2","2","4","7","1") = "6"
    & skf21("1","4","6","2","2","5","1","1") = "5"
    & skf21("1","4","6","2","2","5","2","1") = "5"
    & skf21("1","4","6","2","2","5","3","1") = "5"
    & skf21("1","4","6","2","2","5","4","1") = "5"
    & skf21("1","4","6","2","2","5","5","1") = "5"
    & skf21("1","4","6","2","2","5","6","1") = "5"
    & skf21("1","4","6","2","2","5","7","1") = "6"
    & skf21("1","4","6","2","2","6","1","1") = "5"
    & skf21("1","4","6","2","2","6","2","1") = "5"
    & skf21("1","4","6","2","2","6","3","1") = "5"
    & skf21("1","4","6","2","2","6","4","1") = "5"
    & skf21("1","4","6","2","2","6","5","1") = "5"
    & skf21("1","4","6","2","2","6","6","1") = "5"
    & skf21("1","4","6","2","2","6","7","1") = "6"
    & skf21("1","4","6","2","2","7","1","1") = "6"
    & skf21("1","4","6","2","2","7","2","1") = "6"
    & skf21("1","4","6","2","2","7","3","1") = "6"
    & skf21("1","4","6","2","2","7","4","1") = "6"
    & skf21("1","4","6","2","2","7","5","1") = "6"
    & skf21("1","4","6","2","2","7","6","1") = "6"
    & skf21("1","4","6","2","2","7","7","1") = "6"
    & skf21("1","4","6","2","3","1","1","1") = "5"
    & skf21("1","4","6","2","3","1","2","1") = "5"
    & skf21("1","4","6","2","3","1","3","1") = "5"
    & skf21("1","4","6","2","3","1","4","1") = "5"
    & skf21("1","4","6","2","3","1","5","1") = "5"
    & skf21("1","4","6","2","3","1","6","1") = "5"
    & skf21("1","4","6","2","3","1","7","1") = "6"
    & skf21("1","4","6","2","3","2","1","1") = "5"
    & skf21("1","4","6","2","3","2","2","1") = "5"
    & skf21("1","4","6","2","3","2","3","1") = "5"
    & skf21("1","4","6","2","3","2","4","1") = "5"
    & skf21("1","4","6","2","3","2","5","1") = "5"
    & skf21("1","4","6","2","3","2","6","1") = "5"
    & skf21("1","4","6","2","3","2","7","1") = "6"
    & skf21("1","4","6","2","3","3","1","1") = "5"
    & skf21("1","4","6","2","3","3","2","1") = "5"
    & skf21("1","4","6","2","3","3","3","1") = "5"
    & skf21("1","4","6","2","3","3","4","1") = "5"
    & skf21("1","4","6","2","3","3","5","1") = "5"
    & skf21("1","4","6","2","3","3","6","1") = "5"
    & skf21("1","4","6","2","3","3","7","1") = "6"
    & skf21("1","4","6","2","3","4","1","1") = "5"
    & skf21("1","4","6","2","3","4","2","1") = "5"
    & skf21("1","4","6","2","3","4","3","1") = "5"
    & skf21("1","4","6","2","3","4","4","1") = "5"
    & skf21("1","4","6","2","3","4","5","1") = "5"
    & skf21("1","4","6","2","3","4","6","1") = "5"
    & skf21("1","4","6","2","3","4","7","1") = "6"
    & skf21("1","4","6","2","3","5","1","1") = "5"
    & skf21("1","4","6","2","3","5","2","1") = "5"
    & skf21("1","4","6","2","3","5","3","1") = "5"
    & skf21("1","4","6","2","3","5","4","1") = "5"
    & skf21("1","4","6","2","3","5","5","1") = "5"
    & skf21("1","4","6","2","3","5","6","1") = "5"
    & skf21("1","4","6","2","3","5","7","1") = "6"
    & skf21("1","4","6","2","3","6","1","1") = "5"
    & skf21("1","4","6","2","3","6","2","1") = "5"
    & skf21("1","4","6","2","3","6","3","1") = "5"
    & skf21("1","4","6","2","3","6","4","1") = "5"
    & skf21("1","4","6","2","3","6","5","1") = "5"
    & skf21("1","4","6","2","3","6","6","1") = "5"
    & skf21("1","4","6","2","3","6","7","1") = "6"
    & skf21("1","4","6","2","3","7","1","1") = "6"
    & skf21("1","4","6","2","3","7","2","1") = "6"
    & skf21("1","4","6","2","3","7","3","1") = "6"
    & skf21("1","4","6","2","3","7","4","1") = "6"
    & skf21("1","4","6","2","3","7","5","1") = "6"
    & skf21("1","4","6","2","3","7","6","1") = "6"
    & skf21("1","4","6","2","3","7","7","1") = "6"
    & skf21("1","4","6","2","4","1","1","1") = "5"
    & skf21("1","4","6","2","4","1","2","1") = "5"
    & skf21("1","4","6","2","4","1","3","1") = "5"
    & skf21("1","4","6","2","4","1","4","1") = "5"
    & skf21("1","4","6","2","4","1","5","1") = "5"
    & skf21("1","4","6","2","4","1","6","1") = "5"
    & skf21("1","4","6","2","4","1","7","1") = "6"
    & skf21("1","4","6","2","4","2","1","1") = "5"
    & skf21("1","4","6","2","4","2","2","1") = "5"
    & skf21("1","4","6","2","4","2","3","1") = "5"
    & skf21("1","4","6","2","4","2","4","1") = "5"
    & skf21("1","4","6","2","4","2","5","1") = "5"
    & skf21("1","4","6","2","4","2","6","1") = "5"
    & skf21("1","4","6","2","4","2","7","1") = "6"
    & skf21("1","4","6","2","4","3","1","1") = "5"
    & skf21("1","4","6","2","4","3","2","1") = "5"
    & skf21("1","4","6","2","4","3","3","1") = "5"
    & skf21("1","4","6","2","4","3","4","1") = "5"
    & skf21("1","4","6","2","4","3","5","1") = "5"
    & skf21("1","4","6","2","4","3","6","1") = "5"
    & skf21("1","4","6","2","4","3","7","1") = "6"
    & skf21("1","4","6","2","4","4","1","1") = "5"
    & skf21("1","4","6","2","4","4","2","1") = "5"
    & skf21("1","4","6","2","4","4","3","1") = "5"
    & skf21("1","4","6","2","4","4","4","1") = "5"
    & skf21("1","4","6","2","4","4","5","1") = "5"
    & skf21("1","4","6","2","4","4","6","1") = "5"
    & skf21("1","4","6","2","4","4","7","1") = "6"
    & skf21("1","4","6","2","4","5","1","1") = "5"
    & skf21("1","4","6","2","4","5","2","1") = "5"
    & skf21("1","4","6","2","4","5","3","1") = "5"
    & skf21("1","4","6","2","4","5","4","1") = "5"
    & skf21("1","4","6","2","4","5","5","1") = "5"
    & skf21("1","4","6","2","4","5","6","1") = "5"
    & skf21("1","4","6","2","4","5","7","1") = "6"
    & skf21("1","4","6","2","4","6","1","1") = "5"
    & skf21("1","4","6","2","4","6","2","1") = "5"
    & skf21("1","4","6","2","4","6","3","1") = "5"
    & skf21("1","4","6","2","4","6","4","1") = "5"
    & skf21("1","4","6","2","4","6","5","1") = "5"
    & skf21("1","4","6","2","4","6","6","1") = "5"
    & skf21("1","4","6","2","4","6","7","1") = "6"
    & skf21("1","4","6","2","4","7","1","1") = "6"
    & skf21("1","4","6","2","4","7","2","1") = "6"
    & skf21("1","4","6","2","4","7","3","1") = "6"
    & skf21("1","4","6","2","4","7","4","1") = "6"
    & skf21("1","4","6","2","4","7","5","1") = "6"
    & skf21("1","4","6","2","4","7","6","1") = "6"
    & skf21("1","4","6","2","4","7","7","1") = "6"
    & skf21("1","4","6","2","5","1","1","1") = "5"
    & skf21("1","4","6","2","5","1","2","1") = "5"
    & skf21("1","4","6","2","5","1","3","1") = "5"
    & skf21("1","4","6","2","5","1","4","1") = "5"
    & skf21("1","4","6","2","5","1","5","1") = "5"
    & skf21("1","4","6","2","5","1","6","1") = "5"
    & skf21("1","4","6","2","5","1","7","1") = "6"
    & skf21("1","4","6","2","5","2","1","1") = "5"
    & skf21("1","4","6","2","5","2","2","1") = "5"
    & skf21("1","4","6","2","5","2","3","1") = "5"
    & skf21("1","4","6","2","5","2","4","1") = "5"
    & skf21("1","4","6","2","5","2","5","1") = "5"
    & skf21("1","4","6","2","5","2","6","1") = "5"
    & skf21("1","4","6","2","5","2","7","1") = "6"
    & skf21("1","4","6","2","5","3","1","1") = "5"
    & skf21("1","4","6","2","5","3","2","1") = "5"
    & skf21("1","4","6","2","5","3","3","1") = "5"
    & skf21("1","4","6","2","5","3","4","1") = "5"
    & skf21("1","4","6","2","5","3","5","1") = "5"
    & skf21("1","4","6","2","5","3","6","1") = "5"
    & skf21("1","4","6","2","5","3","7","1") = "6"
    & skf21("1","4","6","2","5","4","1","1") = "5"
    & skf21("1","4","6","2","5","4","2","1") = "5"
    & skf21("1","4","6","2","5","4","3","1") = "5"
    & skf21("1","4","6","2","5","4","4","1") = "5"
    & skf21("1","4","6","2","5","4","5","1") = "5"
    & skf21("1","4","6","2","5","4","6","1") = "5"
    & skf21("1","4","6","2","5","4","7","1") = "6"
    & skf21("1","4","6","2","5","5","1","1") = "5"
    & skf21("1","4","6","2","5","5","2","1") = "5"
    & skf21("1","4","6","2","5","5","3","1") = "5"
    & skf21("1","4","6","2","5","5","4","1") = "5"
    & skf21("1","4","6","2","5","5","5","1") = "5"
    & skf21("1","4","6","2","5","5","6","1") = "5"
    & skf21("1","4","6","2","5","5","7","1") = "6"
    & skf21("1","4","6","2","5","6","1","1") = "5"
    & skf21("1","4","6","2","5","6","2","1") = "5"
    & skf21("1","4","6","2","5","6","3","1") = "5"
    & skf21("1","4","6","2","5","6","4","1") = "5"
    & skf21("1","4","6","2","5","6","5","1") = "5"
    & skf21("1","4","6","2","5","6","6","1") = "5"
    & skf21("1","4","6","2","5","6","7","1") = "6"
    & skf21("1","4","6","2","5","7","1","1") = "6"
    & skf21("1","4","6","2","5","7","2","1") = "6"
    & skf21("1","4","6","2","5","7","3","1") = "6"
    & skf21("1","4","6","2","5","7","4","1") = "6"
    & skf21("1","4","6","2","5","7","5","1") = "6"
    & skf21("1","4","6","2","5","7","6","1") = "6"
    & skf21("1","4","6","2","5","7","7","1") = "6"
    & skf21("1","4","6","2","6","1","1","1") = "5"
    & skf21("1","4","6","2","6","1","2","1") = "5"
    & skf21("1","4","6","2","6","1","3","1") = "5"
    & skf21("1","4","6","2","6","1","4","1") = "5"
    & skf21("1","4","6","2","6","1","5","1") = "5"
    & skf21("1","4","6","2","6","1","6","1") = "5"
    & skf21("1","4","6","2","6","1","7","1") = "6"
    & skf21("1","4","6","2","6","2","1","1") = "5"
    & skf21("1","4","6","2","6","2","2","1") = "5"
    & skf21("1","4","6","2","6","2","3","1") = "5"
    & skf21("1","4","6","2","6","2","4","1") = "5"
    & skf21("1","4","6","2","6","2","5","1") = "5"
    & skf21("1","4","6","2","6","2","6","1") = "5"
    & skf21("1","4","6","2","6","2","7","1") = "6"
    & skf21("1","4","6","2","6","3","1","1") = "5"
    & skf21("1","4","6","2","6","3","2","1") = "5"
    & skf21("1","4","6","2","6","3","3","1") = "5"
    & skf21("1","4","6","2","6","3","4","1") = "5"
    & skf21("1","4","6","2","6","3","5","1") = "5"
    & skf21("1","4","6","2","6","3","6","1") = "5"
    & skf21("1","4","6","2","6","3","7","1") = "6"
    & skf21("1","4","6","2","6","4","1","1") = "5"
    & skf21("1","4","6","2","6","4","2","1") = "5"
    & skf21("1","4","6","2","6","4","3","1") = "5"
    & skf21("1","4","6","2","6","4","4","1") = "5"
    & skf21("1","4","6","2","6","4","5","1") = "5"
    & skf21("1","4","6","2","6","4","6","1") = "5"
    & skf21("1","4","6","2","6","4","7","1") = "6"
    & skf21("1","4","6","2","6","5","1","1") = "5"
    & skf21("1","4","6","2","6","5","2","1") = "5"
    & skf21("1","4","6","2","6","5","3","1") = "5"
    & skf21("1","4","6","2","6","5","4","1") = "5"
    & skf21("1","4","6","2","6","5","5","1") = "5"
    & skf21("1","4","6","2","6","5","6","1") = "5"
    & skf21("1","4","6","2","6","5","7","1") = "6"
    & skf21("1","4","6","2","6","6","1","1") = "5"
    & skf21("1","4","6","2","6","6","2","1") = "5"
    & skf21("1","4","6","2","6","6","3","1") = "5"
    & skf21("1","4","6","2","6","6","4","1") = "5"
    & skf21("1","4","6","2","6","6","5","1") = "5"
    & skf21("1","4","6","2","6","6","6","1") = "5"
    & skf21("1","4","6","2","6","6","7","1") = "6"
    & skf21("1","4","6","2","6","7","1","1") = "6"
    & skf21("1","4","6","2","6","7","2","1") = "6"
    & skf21("1","4","6","2","6","7","3","1") = "6"
    & skf21("1","4","6","2","6","7","4","1") = "6"
    & skf21("1","4","6","2","6","7","5","1") = "6"
    & skf21("1","4","6","2","6","7","6","1") = "6"
    & skf21("1","4","6","2","6","7","7","1") = "6"
    & skf21("1","4","6","2","7","1","1","1") = "6"
    & skf21("1","4","6","2","7","1","2","1") = "6"
    & skf21("1","4","6","2","7","1","3","1") = "6"
    & skf21("1","4","6","2","7","1","4","1") = "6"
    & skf21("1","4","6","2","7","1","5","1") = "6"
    & skf21("1","4","6","2","7","1","6","1") = "6"
    & skf21("1","4","6","2","7","1","7","1") = "6"
    & skf21("1","4","6","2","7","2","1","1") = "6"
    & skf21("1","4","6","2","7","2","2","1") = "6"
    & skf21("1","4","6","2","7","2","3","1") = "6"
    & skf21("1","4","6","2","7","2","4","1") = "6"
    & skf21("1","4","6","2","7","2","5","1") = "6"
    & skf21("1","4","6","2","7","2","6","1") = "6"
    & skf21("1","4","6","2","7","2","7","1") = "6"
    & skf21("1","4","6","2","7","3","1","1") = "6"
    & skf21("1","4","6","2","7","3","2","1") = "6"
    & skf21("1","4","6","2","7","3","3","1") = "6"
    & skf21("1","4","6","2","7","3","4","1") = "6"
    & skf21("1","4","6","2","7","3","5","1") = "6"
    & skf21("1","4","6","2","7","3","6","1") = "6"
    & skf21("1","4","6","2","7","3","7","1") = "6"
    & skf21("1","4","6","2","7","4","1","1") = "6"
    & skf21("1","4","6","2","7","4","2","1") = "6"
    & skf21("1","4","6","2","7","4","3","1") = "6"
    & skf21("1","4","6","2","7","4","4","1") = "6"
    & skf21("1","4","6","2","7","4","5","1") = "6"
    & skf21("1","4","6","2","7","4","6","1") = "6"
    & skf21("1","4","6","2","7","4","7","1") = "6"
    & skf21("1","4","6","2","7","5","1","1") = "6"
    & skf21("1","4","6","2","7","5","2","1") = "6"
    & skf21("1","4","6","2","7","5","3","1") = "6"
    & skf21("1","4","6","2","7","5","4","1") = "6"
    & skf21("1","4","6","2","7","5","5","1") = "6"
    & skf21("1","4","6","2","7","5","6","1") = "6"
    & skf21("1","4","6","2","7","5","7","1") = "6"
    & skf21("1","4","6","2","7","6","1","1") = "6"
    & skf21("1","4","6","2","7","6","2","1") = "6"
    & skf21("1","4","6","2","7","6","3","1") = "6"
    & skf21("1","4","6","2","7","6","4","1") = "6"
    & skf21("1","4","6","2","7","6","5","1") = "6"
    & skf21("1","4","6","2","7","6","6","1") = "6"
    & skf21("1","4","6","2","7","6","7","1") = "6"
    & skf21("1","4","6","2","7","7","1","1") = "6"
    & skf21("1","4","6","2","7","7","2","1") = "6"
    & skf21("1","4","6","2","7","7","3","1") = "6"
    & skf21("1","4","6","2","7","7","4","1") = "6"
    & skf21("1","4","6","2","7","7","5","1") = "6"
    & skf21("1","4","6","2","7","7","6","1") = "6"
    & skf21("1","4","6","2","7","7","7","1") = "6"
    & skf21("1","4","6","3","1","1","1","1") = "5"
    & skf21("1","4","6","3","1","1","2","1") = "5"
    & skf21("1","4","6","3","1","1","3","1") = "5"
    & skf21("1","4","6","3","1","1","4","1") = "5"
    & skf21("1","4","6","3","1","1","5","1") = "5"
    & skf21("1","4","6","3","1","1","6","1") = "5"
    & skf21("1","4","6","3","1","1","7","1") = "6"
    & skf21("1","4","6","3","1","2","1","1") = "5"
    & skf21("1","4","6","3","1","2","2","1") = "5"
    & skf21("1","4","6","3","1","2","3","1") = "5"
    & skf21("1","4","6","3","1","2","4","1") = "5"
    & skf21("1","4","6","3","1","2","5","1") = "5"
    & skf21("1","4","6","3","1","2","6","1") = "5"
    & skf21("1","4","6","3","1","2","7","1") = "6"
    & skf21("1","4","6","3","1","3","1","1") = "5"
    & skf21("1","4","6","3","1","3","2","1") = "5"
    & skf21("1","4","6","3","1","3","3","1") = "5"
    & skf21("1","4","6","3","1","3","4","1") = "5"
    & skf21("1","4","6","3","1","3","5","1") = "5"
    & skf21("1","4","6","3","1","3","6","1") = "5"
    & skf21("1","4","6","3","1","3","7","1") = "6"
    & skf21("1","4","6","3","1","4","1","1") = "5"
    & skf21("1","4","6","3","1","4","2","1") = "5"
    & skf21("1","4","6","3","1","4","3","1") = "5"
    & skf21("1","4","6","3","1","4","4","1") = "5"
    & skf21("1","4","6","3","1","4","5","1") = "5"
    & skf21("1","4","6","3","1","4","6","1") = "5"
    & skf21("1","4","6","3","1","4","7","1") = "6"
    & skf21("1","4","6","3","1","5","1","1") = "5"
    & skf21("1","4","6","3","1","5","2","1") = "5"
    & skf21("1","4","6","3","1","5","3","1") = "5"
    & skf21("1","4","6","3","1","5","4","1") = "5"
    & skf21("1","4","6","3","1","5","5","1") = "5"
    & skf21("1","4","6","3","1","5","6","1") = "5"
    & skf21("1","4","6","3","1","5","7","1") = "6"
    & skf21("1","4","6","3","1","6","1","1") = "5"
    & skf21("1","4","6","3","1","6","2","1") = "5"
    & skf21("1","4","6","3","1","6","3","1") = "5"
    & skf21("1","4","6","3","1","6","4","1") = "5"
    & skf21("1","4","6","3","1","6","5","1") = "5"
    & skf21("1","4","6","3","1","6","6","1") = "5"
    & skf21("1","4","6","3","1","6","7","1") = "6"
    & skf21("1","4","6","3","1","7","1","1") = "6"
    & skf21("1","4","6","3","1","7","2","1") = "6"
    & skf21("1","4","6","3","1","7","3","1") = "6"
    & skf21("1","4","6","3","1","7","4","1") = "6"
    & skf21("1","4","6","3","1","7","5","1") = "6"
    & skf21("1","4","6","3","1","7","6","1") = "6"
    & skf21("1","4","6","3","1","7","7","1") = "6"
    & skf21("1","4","6","3","2","1","1","1") = "5"
    & skf21("1","4","6","3","2","1","2","1") = "5"
    & skf21("1","4","6","3","2","1","3","1") = "5"
    & skf21("1","4","6","3","2","1","4","1") = "5"
    & skf21("1","4","6","3","2","1","5","1") = "5"
    & skf21("1","4","6","3","2","1","6","1") = "5"
    & skf21("1","4","6","3","2","1","7","1") = "6"
    & skf21("1","4","6","3","2","2","1","1") = "5"
    & skf21("1","4","6","3","2","2","2","1") = "5"
    & skf21("1","4","6","3","2","2","3","1") = "5"
    & skf21("1","4","6","3","2","2","4","1") = "5"
    & skf21("1","4","6","3","2","2","5","1") = "5"
    & skf21("1","4","6","3","2","2","6","1") = "5"
    & skf21("1","4","6","3","2","2","7","1") = "6"
    & skf21("1","4","6","3","2","3","1","1") = "5"
    & skf21("1","4","6","3","2","3","2","1") = "5"
    & skf21("1","4","6","3","2","3","3","1") = "5"
    & skf21("1","4","6","3","2","3","4","1") = "5"
    & skf21("1","4","6","3","2","3","5","1") = "5"
    & skf21("1","4","6","3","2","3","6","1") = "5"
    & skf21("1","4","6","3","2","3","7","1") = "6"
    & skf21("1","4","6","3","2","4","1","1") = "5"
    & skf21("1","4","6","3","2","4","2","1") = "5"
    & skf21("1","4","6","3","2","4","3","1") = "5"
    & skf21("1","4","6","3","2","4","4","1") = "5"
    & skf21("1","4","6","3","2","4","5","1") = "5"
    & skf21("1","4","6","3","2","4","6","1") = "5"
    & skf21("1","4","6","3","2","4","7","1") = "6"
    & skf21("1","4","6","3","2","5","1","1") = "5"
    & skf21("1","4","6","3","2","5","2","1") = "5"
    & skf21("1","4","6","3","2","5","3","1") = "5"
    & skf21("1","4","6","3","2","5","4","1") = "5"
    & skf21("1","4","6","3","2","5","5","1") = "5"
    & skf21("1","4","6","3","2","5","6","1") = "5"
    & skf21("1","4","6","3","2","5","7","1") = "6"
    & skf21("1","4","6","3","2","6","1","1") = "5"
    & skf21("1","4","6","3","2","6","2","1") = "5"
    & skf21("1","4","6","3","2","6","3","1") = "5"
    & skf21("1","4","6","3","2","6","4","1") = "5"
    & skf21("1","4","6","3","2","6","5","1") = "5"
    & skf21("1","4","6","3","2","6","6","1") = "5"
    & skf21("1","4","6","3","2","6","7","1") = "6"
    & skf21("1","4","6","3","2","7","1","1") = "6"
    & skf21("1","4","6","3","2","7","2","1") = "6"
    & skf21("1","4","6","3","2","7","3","1") = "6"
    & skf21("1","4","6","3","2","7","4","1") = "6"
    & skf21("1","4","6","3","2","7","5","1") = "6"
    & skf21("1","4","6","3","2","7","6","1") = "6"
    & skf21("1","4","6","3","2","7","7","1") = "6"
    & skf21("1","4","6","3","3","1","1","1") = "5"
    & skf21("1","4","6","3","3","1","2","1") = "5"
    & skf21("1","4","6","3","3","1","3","1") = "5"
    & skf21("1","4","6","3","3","1","4","1") = "5"
    & skf21("1","4","6","3","3","1","5","1") = "5"
    & skf21("1","4","6","3","3","1","6","1") = "5"
    & skf21("1","4","6","3","3","1","7","1") = "6"
    & skf21("1","4","6","3","3","2","1","1") = "5"
    & skf21("1","4","6","3","3","2","2","1") = "5"
    & skf21("1","4","6","3","3","2","3","1") = "5"
    & skf21("1","4","6","3","3","2","4","1") = "5"
    & skf21("1","4","6","3","3","2","5","1") = "5"
    & skf21("1","4","6","3","3","2","6","1") = "5"
    & skf21("1","4","6","3","3","2","7","1") = "6"
    & skf21("1","4","6","3","3","3","1","1") = "5"
    & skf21("1","4","6","3","3","3","2","1") = "5"
    & skf21("1","4","6","3","3","3","3","1") = "5"
    & skf21("1","4","6","3","3","3","4","1") = "5"
    & skf21("1","4","6","3","3","3","5","1") = "5"
    & skf21("1","4","6","3","3","3","6","1") = "5"
    & skf21("1","4","6","3","3","3","7","1") = "6"
    & skf21("1","4","6","3","3","4","1","1") = "5"
    & skf21("1","4","6","3","3","4","2","1") = "5"
    & skf21("1","4","6","3","3","4","3","1") = "5"
    & skf21("1","4","6","3","3","4","4","1") = "5"
    & skf21("1","4","6","3","3","4","5","1") = "5"
    & skf21("1","4","6","3","3","4","6","1") = "5"
    & skf21("1","4","6","3","3","4","7","1") = "6"
    & skf21("1","4","6","3","3","5","1","1") = "5"
    & skf21("1","4","6","3","3","5","2","1") = "5"
    & skf21("1","4","6","3","3","5","3","1") = "5"
    & skf21("1","4","6","3","3","5","4","1") = "5"
    & skf21("1","4","6","3","3","5","5","1") = "5"
    & skf21("1","4","6","3","3","5","6","1") = "5"
    & skf21("1","4","6","3","3","5","7","1") = "6"
    & skf21("1","4","6","3","3","6","1","1") = "5"
    & skf21("1","4","6","3","3","6","2","1") = "5"
    & skf21("1","4","6","3","3","6","3","1") = "5"
    & skf21("1","4","6","3","3","6","4","1") = "5"
    & skf21("1","4","6","3","3","6","5","1") = "5"
    & skf21("1","4","6","3","3","6","6","1") = "5"
    & skf21("1","4","6","3","3","6","7","1") = "6"
    & skf21("1","4","6","3","3","7","1","1") = "6"
    & skf21("1","4","6","3","3","7","2","1") = "6"
    & skf21("1","4","6","3","3","7","3","1") = "6"
    & skf21("1","4","6","3","3","7","4","1") = "6"
    & skf21("1","4","6","3","3","7","5","1") = "6"
    & skf21("1","4","6","3","3","7","6","1") = "6"
    & skf21("1","4","6","3","3","7","7","1") = "6"
    & skf21("1","4","6","3","4","1","1","1") = "5"
    & skf21("1","4","6","3","4","1","2","1") = "5"
    & skf21("1","4","6","3","4","1","3","1") = "5"
    & skf21("1","4","6","3","4","1","4","1") = "5"
    & skf21("1","4","6","3","4","1","5","1") = "5"
    & skf21("1","4","6","3","4","1","6","1") = "5"
    & skf21("1","4","6","3","4","1","7","1") = "6"
    & skf21("1","4","6","3","4","2","1","1") = "5"
    & skf21("1","4","6","3","4","2","2","1") = "5"
    & skf21("1","4","6","3","4","2","3","1") = "5"
    & skf21("1","4","6","3","4","2","4","1") = "5"
    & skf21("1","4","6","3","4","2","5","1") = "5"
    & skf21("1","4","6","3","4","2","6","1") = "5"
    & skf21("1","4","6","3","4","2","7","1") = "6"
    & skf21("1","4","6","3","4","3","1","1") = "5"
    & skf21("1","4","6","3","4","3","2","1") = "5"
    & skf21("1","4","6","3","4","3","3","1") = "5"
    & skf21("1","4","6","3","4","3","4","1") = "5"
    & skf21("1","4","6","3","4","3","5","1") = "5"
    & skf21("1","4","6","3","4","3","6","1") = "5"
    & skf21("1","4","6","3","4","3","7","1") = "6"
    & skf21("1","4","6","3","4","4","1","1") = "5"
    & skf21("1","4","6","3","4","4","2","1") = "5"
    & skf21("1","4","6","3","4","4","3","1") = "5"
    & skf21("1","4","6","3","4","4","4","1") = "5"
    & skf21("1","4","6","3","4","4","5","1") = "5"
    & skf21("1","4","6","3","4","4","6","1") = "5"
    & skf21("1","4","6","3","4","4","7","1") = "6"
    & skf21("1","4","6","3","4","5","1","1") = "5"
    & skf21("1","4","6","3","4","5","2","1") = "5"
    & skf21("1","4","6","3","4","5","3","1") = "5"
    & skf21("1","4","6","3","4","5","4","1") = "5"
    & skf21("1","4","6","3","4","5","5","1") = "5"
    & skf21("1","4","6","3","4","5","6","1") = "5"
    & skf21("1","4","6","3","4","5","7","1") = "6"
    & skf21("1","4","6","3","4","6","1","1") = "5"
    & skf21("1","4","6","3","4","6","2","1") = "5"
    & skf21("1","4","6","3","4","6","3","1") = "5"
    & skf21("1","4","6","3","4","6","4","1") = "5"
    & skf21("1","4","6","3","4","6","5","1") = "5"
    & skf21("1","4","6","3","4","6","6","1") = "5"
    & skf21("1","4","6","3","4","6","7","1") = "6"
    & skf21("1","4","6","3","4","7","1","1") = "6"
    & skf21("1","4","6","3","4","7","2","1") = "6"
    & skf21("1","4","6","3","4","7","3","1") = "6"
    & skf21("1","4","6","3","4","7","4","1") = "6"
    & skf21("1","4","6","3","4","7","5","1") = "6"
    & skf21("1","4","6","3","4","7","6","1") = "6"
    & skf21("1","4","6","3","4","7","7","1") = "6"
    & skf21("1","4","6","3","5","1","1","1") = "5"
    & skf21("1","4","6","3","5","1","2","1") = "5"
    & skf21("1","4","6","3","5","1","3","1") = "5"
    & skf21("1","4","6","3","5","1","4","1") = "5"
    & skf21("1","4","6","3","5","1","5","1") = "5"
    & skf21("1","4","6","3","5","1","6","1") = "5"
    & skf21("1","4","6","3","5","1","7","1") = "6"
    & skf21("1","4","6","3","5","2","1","1") = "5"
    & skf21("1","4","6","3","5","2","2","1") = "5"
    & skf21("1","4","6","3","5","2","3","1") = "5"
    & skf21("1","4","6","3","5","2","4","1") = "5"
    & skf21("1","4","6","3","5","2","5","1") = "5"
    & skf21("1","4","6","3","5","2","6","1") = "5"
    & skf21("1","4","6","3","5","2","7","1") = "6"
    & skf21("1","4","6","3","5","3","1","1") = "5"
    & skf21("1","4","6","3","5","3","2","1") = "5"
    & skf21("1","4","6","3","5","3","3","1") = "5"
    & skf21("1","4","6","3","5","3","4","1") = "5"
    & skf21("1","4","6","3","5","3","5","1") = "5"
    & skf21("1","4","6","3","5","3","6","1") = "5"
    & skf21("1","4","6","3","5","3","7","1") = "6"
    & skf21("1","4","6","3","5","4","1","1") = "5"
    & skf21("1","4","6","3","5","4","2","1") = "5"
    & skf21("1","4","6","3","5","4","3","1") = "5"
    & skf21("1","4","6","3","5","4","4","1") = "5"
    & skf21("1","4","6","3","5","4","5","1") = "5"
    & skf21("1","4","6","3","5","4","6","1") = "5"
    & skf21("1","4","6","3","5","4","7","1") = "6"
    & skf21("1","4","6","3","5","5","1","1") = "5"
    & skf21("1","4","6","3","5","5","2","1") = "5"
    & skf21("1","4","6","3","5","5","3","1") = "5"
    & skf21("1","4","6","3","5","5","4","1") = "5"
    & skf21("1","4","6","3","5","5","5","1") = "5"
    & skf21("1","4","6","3","5","5","6","1") = "5"
    & skf21("1","4","6","3","5","5","7","1") = "6"
    & skf21("1","4","6","3","5","6","1","1") = "5"
    & skf21("1","4","6","3","5","6","2","1") = "5"
    & skf21("1","4","6","3","5","6","3","1") = "5"
    & skf21("1","4","6","3","5","6","4","1") = "5"
    & skf21("1","4","6","3","5","6","5","1") = "5"
    & skf21("1","4","6","3","5","6","6","1") = "5"
    & skf21("1","4","6","3","5","6","7","1") = "6"
    & skf21("1","4","6","3","5","7","1","1") = "6"
    & skf21("1","4","6","3","5","7","2","1") = "6"
    & skf21("1","4","6","3","5","7","3","1") = "6"
    & skf21("1","4","6","3","5","7","4","1") = "6"
    & skf21("1","4","6","3","5","7","5","1") = "6"
    & skf21("1","4","6","3","5","7","6","1") = "6"
    & skf21("1","4","6","3","5","7","7","1") = "6"
    & skf21("1","4","6","3","6","1","1","1") = "5"
    & skf21("1","4","6","3","6","1","2","1") = "5"
    & skf21("1","4","6","3","6","1","3","1") = "5"
    & skf21("1","4","6","3","6","1","4","1") = "5"
    & skf21("1","4","6","3","6","1","5","1") = "5"
    & skf21("1","4","6","3","6","1","6","1") = "5"
    & skf21("1","4","6","3","6","1","7","1") = "6"
    & skf21("1","4","6","3","6","2","1","1") = "5"
    & skf21("1","4","6","3","6","2","2","1") = "5"
    & skf21("1","4","6","3","6","2","3","1") = "5"
    & skf21("1","4","6","3","6","2","4","1") = "5"
    & skf21("1","4","6","3","6","2","5","1") = "5"
    & skf21("1","4","6","3","6","2","6","1") = "5"
    & skf21("1","4","6","3","6","2","7","1") = "6"
    & skf21("1","4","6","3","6","3","1","1") = "5"
    & skf21("1","4","6","3","6","3","2","1") = "5"
    & skf21("1","4","6","3","6","3","3","1") = "5"
    & skf21("1","4","6","3","6","3","4","1") = "5"
    & skf21("1","4","6","3","6","3","5","1") = "5"
    & skf21("1","4","6","3","6","3","6","1") = "5"
    & skf21("1","4","6","3","6","3","7","1") = "6"
    & skf21("1","4","6","3","6","4","1","1") = "5"
    & skf21("1","4","6","3","6","4","2","1") = "5"
    & skf21("1","4","6","3","6","4","3","1") = "5"
    & skf21("1","4","6","3","6","4","4","1") = "5"
    & skf21("1","4","6","3","6","4","5","1") = "5"
    & skf21("1","4","6","3","6","4","6","1") = "5"
    & skf21("1","4","6","3","6","4","7","1") = "6"
    & skf21("1","4","6","3","6","5","1","1") = "5"
    & skf21("1","4","6","3","6","5","2","1") = "5"
    & skf21("1","4","6","3","6","5","3","1") = "5"
    & skf21("1","4","6","3","6","5","4","1") = "5"
    & skf21("1","4","6","3","6","5","5","1") = "5"
    & skf21("1","4","6","3","6","5","6","1") = "5"
    & skf21("1","4","6","3","6","5","7","1") = "6"
    & skf21("1","4","6","3","6","6","1","1") = "5"
    & skf21("1","4","6","3","6","6","2","1") = "5"
    & skf21("1","4","6","3","6","6","3","1") = "5"
    & skf21("1","4","6","3","6","6","4","1") = "5"
    & skf21("1","4","6","3","6","6","5","1") = "5"
    & skf21("1","4","6","3","6","6","6","1") = "5"
    & skf21("1","4","6","3","6","6","7","1") = "6"
    & skf21("1","4","6","3","6","7","1","1") = "6"
    & skf21("1","4","6","3","6","7","2","1") = "6"
    & skf21("1","4","6","3","6","7","3","1") = "6"
    & skf21("1","4","6","3","6","7","4","1") = "6"
    & skf21("1","4","6","3","6","7","5","1") = "6"
    & skf21("1","4","6","3","6","7","6","1") = "6"
    & skf21("1","4","6","3","6","7","7","1") = "6"
    & skf21("1","4","6","3","7","1","1","1") = "6"
    & skf21("1","4","6","3","7","1","2","1") = "6"
    & skf21("1","4","6","3","7","1","3","1") = "6"
    & skf21("1","4","6","3","7","1","4","1") = "6"
    & skf21("1","4","6","3","7","1","5","1") = "6"
    & skf21("1","4","6","3","7","1","6","1") = "6"
    & skf21("1","4","6","3","7","1","7","1") = "6"
    & skf21("1","4","6","3","7","2","1","1") = "6"
    & skf21("1","4","6","3","7","2","2","1") = "6"
    & skf21("1","4","6","3","7","2","3","1") = "6"
    & skf21("1","4","6","3","7","2","4","1") = "6"
    & skf21("1","4","6","3","7","2","5","1") = "6"
    & skf21("1","4","6","3","7","2","6","1") = "6"
    & skf21("1","4","6","3","7","2","7","1") = "6"
    & skf21("1","4","6","3","7","3","1","1") = "6"
    & skf21("1","4","6","3","7","3","2","1") = "6"
    & skf21("1","4","6","3","7","3","3","1") = "6"
    & skf21("1","4","6","3","7","3","4","1") = "6"
    & skf21("1","4","6","3","7","3","5","1") = "6"
    & skf21("1","4","6","3","7","3","6","1") = "6"
    & skf21("1","4","6","3","7","3","7","1") = "6"
    & skf21("1","4","6","3","7","4","1","1") = "6"
    & skf21("1","4","6","3","7","4","2","1") = "6"
    & skf21("1","4","6","3","7","4","3","1") = "6"
    & skf21("1","4","6","3","7","4","4","1") = "6"
    & skf21("1","4","6","3","7","4","5","1") = "6"
    & skf21("1","4","6","3","7","4","6","1") = "6"
    & skf21("1","4","6","3","7","4","7","1") = "6"
    & skf21("1","4","6","3","7","5","1","1") = "6"
    & skf21("1","4","6","3","7","5","2","1") = "6"
    & skf21("1","4","6","3","7","5","3","1") = "6"
    & skf21("1","4","6","3","7","5","4","1") = "6"
    & skf21("1","4","6","3","7","5","5","1") = "6"
    & skf21("1","4","6","3","7","5","6","1") = "6"
    & skf21("1","4","6","3","7","5","7","1") = "6"
    & skf21("1","4","6","3","7","6","1","1") = "6"
    & skf21("1","4","6","3","7","6","2","1") = "6"
    & skf21("1","4","6","3","7","6","3","1") = "6"
    & skf21("1","4","6","3","7","6","4","1") = "6"
    & skf21("1","4","6","3","7","6","5","1") = "6"
    & skf21("1","4","6","3","7","6","6","1") = "6"
    & skf21("1","4","6","3","7","6","7","1") = "6"
    & skf21("1","4","6","3","7","7","1","1") = "6"
    & skf21("1","4","6","3","7","7","2","1") = "6"
    & skf21("1","4","6","3","7","7","3","1") = "6"
    & skf21("1","4","6","3","7","7","4","1") = "6"
    & skf21("1","4","6","3","7","7","5","1") = "6"
    & skf21("1","4","6","3","7","7","6","1") = "6"
    & skf21("1","4","6","3","7","7","7","1") = "6"
    & skf21("1","4","6","4","1","1","1","1") = "5"
    & skf21("1","4","6","4","1","1","2","1") = "5"
    & skf21("1","4","6","4","1","1","3","1") = "5"
    & skf21("1","4","6","4","1","1","4","1") = "5"
    & skf21("1","4","6","4","1","1","5","1") = "5"
    & skf21("1","4","6","4","1","1","6","1") = "5"
    & skf21("1","4","6","4","1","1","7","1") = "6"
    & skf21("1","4","6","4","1","2","1","1") = "5"
    & skf21("1","4","6","4","1","2","2","1") = "5"
    & skf21("1","4","6","4","1","2","3","1") = "5"
    & skf21("1","4","6","4","1","2","4","1") = "5"
    & skf21("1","4","6","4","1","2","5","1") = "5"
    & skf21("1","4","6","4","1","2","6","1") = "5"
    & skf21("1","4","6","4","1","2","7","1") = "6"
    & skf21("1","4","6","4","1","3","1","1") = "5"
    & skf21("1","4","6","4","1","3","2","1") = "5"
    & skf21("1","4","6","4","1","3","3","1") = "5"
    & skf21("1","4","6","4","1","3","4","1") = "5"
    & skf21("1","4","6","4","1","3","5","1") = "5"
    & skf21("1","4","6","4","1","3","6","1") = "5"
    & skf21("1","4","6","4","1","3","7","1") = "6"
    & skf21("1","4","6","4","1","4","1","1") = "5"
    & skf21("1","4","6","4","1","4","2","1") = "5"
    & skf21("1","4","6","4","1","4","3","1") = "5"
    & skf21("1","4","6","4","1","4","4","1") = "5"
    & skf21("1","4","6","4","1","4","5","1") = "5"
    & skf21("1","4","6","4","1","4","6","1") = "5"
    & skf21("1","4","6","4","1","4","7","1") = "6"
    & skf21("1","4","6","4","1","5","1","1") = "5"
    & skf21("1","4","6","4","1","5","2","1") = "5"
    & skf21("1","4","6","4","1","5","3","1") = "5"
    & skf21("1","4","6","4","1","5","4","1") = "5"
    & skf21("1","4","6","4","1","5","5","1") = "5"
    & skf21("1","4","6","4","1","5","6","1") = "5"
    & skf21("1","4","6","4","1","5","7","1") = "6"
    & skf21("1","4","6","4","1","6","1","1") = "5"
    & skf21("1","4","6","4","1","6","2","1") = "5"
    & skf21("1","4","6","4","1","6","3","1") = "5"
    & skf21("1","4","6","4","1","6","4","1") = "5"
    & skf21("1","4","6","4","1","6","5","1") = "5"
    & skf21("1","4","6","4","1","6","6","1") = "5"
    & skf21("1","4","6","4","1","6","7","1") = "6"
    & skf21("1","4","6","4","1","7","1","1") = "6"
    & skf21("1","4","6","4","1","7","2","1") = "6"
    & skf21("1","4","6","4","1","7","3","1") = "6"
    & skf21("1","4","6","4","1","7","4","1") = "6"
    & skf21("1","4","6","4","1","7","5","1") = "6"
    & skf21("1","4","6","4","1","7","6","1") = "6"
    & skf21("1","4","6","4","1","7","7","1") = "6"
    & skf21("1","4","6","4","2","1","1","1") = "5"
    & skf21("1","4","6","4","2","1","2","1") = "5"
    & skf21("1","4","6","4","2","1","3","1") = "5"
    & skf21("1","4","6","4","2","1","4","1") = "5"
    & skf21("1","4","6","4","2","1","5","1") = "5"
    & skf21("1","4","6","4","2","1","6","1") = "5"
    & skf21("1","4","6","4","2","1","7","1") = "6"
    & skf21("1","4","6","4","2","2","1","1") = "5"
    & skf21("1","4","6","4","2","2","2","1") = "5"
    & skf21("1","4","6","4","2","2","3","1") = "5"
    & skf21("1","4","6","4","2","2","4","1") = "5"
    & skf21("1","4","6","4","2","2","5","1") = "5"
    & skf21("1","4","6","4","2","2","6","1") = "5"
    & skf21("1","4","6","4","2","2","7","1") = "6"
    & skf21("1","4","6","4","2","3","1","1") = "5"
    & skf21("1","4","6","4","2","3","2","1") = "5"
    & skf21("1","4","6","4","2","3","3","1") = "5"
    & skf21("1","4","6","4","2","3","4","1") = "5"
    & skf21("1","4","6","4","2","3","5","1") = "5"
    & skf21("1","4","6","4","2","3","6","1") = "5"
    & skf21("1","4","6","4","2","3","7","1") = "6"
    & skf21("1","4","6","4","2","4","1","1") = "5"
    & skf21("1","4","6","4","2","4","2","1") = "5"
    & skf21("1","4","6","4","2","4","3","1") = "5"
    & skf21("1","4","6","4","2","4","4","1") = "5"
    & skf21("1","4","6","4","2","4","5","1") = "5"
    & skf21("1","4","6","4","2","4","6","1") = "5"
    & skf21("1","4","6","4","2","4","7","1") = "6"
    & skf21("1","4","6","4","2","5","1","1") = "5"
    & skf21("1","4","6","4","2","5","2","1") = "5"
    & skf21("1","4","6","4","2","5","3","1") = "5"
    & skf21("1","4","6","4","2","5","4","1") = "5"
    & skf21("1","4","6","4","2","5","5","1") = "5"
    & skf21("1","4","6","4","2","5","6","1") = "5"
    & skf21("1","4","6","4","2","5","7","1") = "6"
    & skf21("1","4","6","4","2","6","1","1") = "5"
    & skf21("1","4","6","4","2","6","2","1") = "5"
    & skf21("1","4","6","4","2","6","3","1") = "5"
    & skf21("1","4","6","4","2","6","4","1") = "5"
    & skf21("1","4","6","4","2","6","5","1") = "5"
    & skf21("1","4","6","4","2","6","6","1") = "5"
    & skf21("1","4","6","4","2","6","7","1") = "6"
    & skf21("1","4","6","4","2","7","1","1") = "6"
    & skf21("1","4","6","4","2","7","2","1") = "6"
    & skf21("1","4","6","4","2","7","3","1") = "6"
    & skf21("1","4","6","4","2","7","4","1") = "6"
    & skf21("1","4","6","4","2","7","5","1") = "6"
    & skf21("1","4","6","4","2","7","6","1") = "6"
    & skf21("1","4","6","4","2","7","7","1") = "6"
    & skf21("1","4","6","4","3","1","1","1") = "5"
    & skf21("1","4","6","4","3","1","2","1") = "5"
    & skf21("1","4","6","4","3","1","3","1") = "5"
    & skf21("1","4","6","4","3","1","4","1") = "5"
    & skf21("1","4","6","4","3","1","5","1") = "5"
    & skf21("1","4","6","4","3","1","6","1") = "5"
    & skf21("1","4","6","4","3","1","7","1") = "6"
    & skf21("1","4","6","4","3","2","1","1") = "5"
    & skf21("1","4","6","4","3","2","2","1") = "5"
    & skf21("1","4","6","4","3","2","3","1") = "5"
    & skf21("1","4","6","4","3","2","4","1") = "5"
    & skf21("1","4","6","4","3","2","5","1") = "5"
    & skf21("1","4","6","4","3","2","6","1") = "5"
    & skf21("1","4","6","4","3","2","7","1") = "6"
    & skf21("1","4","6","4","3","3","1","1") = "5"
    & skf21("1","4","6","4","3","3","2","1") = "5"
    & skf21("1","4","6","4","3","3","3","1") = "5"
    & skf21("1","4","6","4","3","3","4","1") = "5"
    & skf21("1","4","6","4","3","3","5","1") = "5"
    & skf21("1","4","6","4","3","3","6","1") = "5"
    & skf21("1","4","6","4","3","3","7","1") = "6"
    & skf21("1","4","6","4","3","4","1","1") = "5"
    & skf21("1","4","6","4","3","4","2","1") = "5"
    & skf21("1","4","6","4","3","4","3","1") = "5"
    & skf21("1","4","6","4","3","4","4","1") = "5"
    & skf21("1","4","6","4","3","4","5","1") = "5"
    & skf21("1","4","6","4","3","4","6","1") = "5"
    & skf21("1","4","6","4","3","4","7","1") = "6"
    & skf21("1","4","6","4","3","5","1","1") = "5"
    & skf21("1","4","6","4","3","5","2","1") = "5"
    & skf21("1","4","6","4","3","5","3","1") = "5"
    & skf21("1","4","6","4","3","5","4","1") = "5"
    & skf21("1","4","6","4","3","5","5","1") = "5"
    & skf21("1","4","6","4","3","5","6","1") = "5"
    & skf21("1","4","6","4","3","5","7","1") = "6"
    & skf21("1","4","6","4","3","6","1","1") = "5"
    & skf21("1","4","6","4","3","6","2","1") = "5"
    & skf21("1","4","6","4","3","6","3","1") = "5"
    & skf21("1","4","6","4","3","6","4","1") = "5"
    & skf21("1","4","6","4","3","6","5","1") = "5"
    & skf21("1","4","6","4","3","6","6","1") = "5"
    & skf21("1","4","6","4","3","6","7","1") = "6"
    & skf21("1","4","6","4","3","7","1","1") = "6"
    & skf21("1","4","6","4","3","7","2","1") = "6"
    & skf21("1","4","6","4","3","7","3","1") = "6"
    & skf21("1","4","6","4","3","7","4","1") = "6"
    & skf21("1","4","6","4","3","7","5","1") = "6"
    & skf21("1","4","6","4","3","7","6","1") = "6"
    & skf21("1","4","6","4","3","7","7","1") = "6"
    & skf21("1","4","6","4","4","1","1","1") = "5"
    & skf21("1","4","6","4","4","1","2","1") = "5"
    & skf21("1","4","6","4","4","1","3","1") = "5"
    & skf21("1","4","6","4","4","1","4","1") = "5"
    & skf21("1","4","6","4","4","1","5","1") = "5"
    & skf21("1","4","6","4","4","1","6","1") = "5"
    & skf21("1","4","6","4","4","1","7","1") = "6"
    & skf21("1","4","6","4","4","2","1","1") = "5"
    & skf21("1","4","6","4","4","2","2","1") = "5"
    & skf21("1","4","6","4","4","2","3","1") = "5"
    & skf21("1","4","6","4","4","2","4","1") = "5"
    & skf21("1","4","6","4","4","2","5","1") = "5"
    & skf21("1","4","6","4","4","2","6","1") = "5"
    & skf21("1","4","6","4","4","2","7","1") = "6"
    & skf21("1","4","6","4","4","3","1","1") = "5"
    & skf21("1","4","6","4","4","3","2","1") = "5"
    & skf21("1","4","6","4","4","3","3","1") = "5"
    & skf21("1","4","6","4","4","3","4","1") = "5"
    & skf21("1","4","6","4","4","3","5","1") = "5"
    & skf21("1","4","6","4","4","3","6","1") = "5"
    & skf21("1","4","6","4","4","3","7","1") = "6"
    & skf21("1","4","6","4","4","4","1","1") = "5"
    & skf21("1","4","6","4","4","4","2","1") = "5"
    & skf21("1","4","6","4","4","4","3","1") = "5"
    & skf21("1","4","6","4","4","4","4","1") = "5"
    & skf21("1","4","6","4","4","4","5","1") = "5"
    & skf21("1","4","6","4","4","4","6","1") = "5"
    & skf21("1","4","6","4","4","4","7","1") = "6"
    & skf21("1","4","6","4","4","5","1","1") = "5"
    & skf21("1","4","6","4","4","5","2","1") = "5"
    & skf21("1","4","6","4","4","5","3","1") = "5"
    & skf21("1","4","6","4","4","5","4","1") = "5"
    & skf21("1","4","6","4","4","5","5","1") = "5"
    & skf21("1","4","6","4","4","5","6","1") = "5"
    & skf21("1","4","6","4","4","5","7","1") = "6"
    & skf21("1","4","6","4","4","6","1","1") = "5"
    & skf21("1","4","6","4","4","6","2","1") = "5"
    & skf21("1","4","6","4","4","6","3","1") = "5"
    & skf21("1","4","6","4","4","6","4","1") = "5"
    & skf21("1","4","6","4","4","6","5","1") = "5"
    & skf21("1","4","6","4","4","6","6","1") = "5"
    & skf21("1","4","6","4","4","6","7","1") = "6"
    & skf21("1","4","6","4","4","7","1","1") = "6"
    & skf21("1","4","6","4","4","7","2","1") = "6"
    & skf21("1","4","6","4","4","7","3","1") = "6"
    & skf21("1","4","6","4","4","7","4","1") = "6"
    & skf21("1","4","6","4","4","7","5","1") = "6"
    & skf21("1","4","6","4","4","7","6","1") = "6"
    & skf21("1","4","6","4","4","7","7","1") = "6"
    & skf21("1","4","6","4","5","1","1","1") = "5"
    & skf21("1","4","6","4","5","1","2","1") = "5"
    & skf21("1","4","6","4","5","1","3","1") = "5"
    & skf21("1","4","6","4","5","1","4","1") = "5"
    & skf21("1","4","6","4","5","1","5","1") = "5"
    & skf21("1","4","6","4","5","1","6","1") = "5"
    & skf21("1","4","6","4","5","1","7","1") = "6"
    & skf21("1","4","6","4","5","2","1","1") = "5"
    & skf21("1","4","6","4","5","2","2","1") = "5"
    & skf21("1","4","6","4","5","2","3","1") = "5"
    & skf21("1","4","6","4","5","2","4","1") = "5"
    & skf21("1","4","6","4","5","2","5","1") = "5"
    & skf21("1","4","6","4","5","2","6","1") = "5"
    & skf21("1","4","6","4","5","2","7","1") = "6"
    & skf21("1","4","6","4","5","3","1","1") = "5"
    & skf21("1","4","6","4","5","3","2","1") = "5"
    & skf21("1","4","6","4","5","3","3","1") = "5"
    & skf21("1","4","6","4","5","3","4","1") = "5"
    & skf21("1","4","6","4","5","3","5","1") = "5"
    & skf21("1","4","6","4","5","3","6","1") = "5"
    & skf21("1","4","6","4","5","3","7","1") = "6"
    & skf21("1","4","6","4","5","4","1","1") = "5"
    & skf21("1","4","6","4","5","4","2","1") = "5"
    & skf21("1","4","6","4","5","4","3","1") = "5"
    & skf21("1","4","6","4","5","4","4","1") = "5"
    & skf21("1","4","6","4","5","4","5","1") = "5"
    & skf21("1","4","6","4","5","4","6","1") = "5"
    & skf21("1","4","6","4","5","4","7","1") = "6"
    & skf21("1","4","6","4","5","5","1","1") = "5"
    & skf21("1","4","6","4","5","5","2","1") = "5"
    & skf21("1","4","6","4","5","5","3","1") = "5"
    & skf21("1","4","6","4","5","5","4","1") = "5"
    & skf21("1","4","6","4","5","5","5","1") = "5"
    & skf21("1","4","6","4","5","5","6","1") = "5"
    & skf21("1","4","6","4","5","5","7","1") = "6"
    & skf21("1","4","6","4","5","6","1","1") = "5"
    & skf21("1","4","6","4","5","6","2","1") = "5"
    & skf21("1","4","6","4","5","6","3","1") = "5"
    & skf21("1","4","6","4","5","6","4","1") = "5"
    & skf21("1","4","6","4","5","6","5","1") = "5"
    & skf21("1","4","6","4","5","6","6","1") = "5"
    & skf21("1","4","6","4","5","6","7","1") = "6"
    & skf21("1","4","6","4","5","7","1","1") = "6"
    & skf21("1","4","6","4","5","7","2","1") = "6"
    & skf21("1","4","6","4","5","7","3","1") = "6"
    & skf21("1","4","6","4","5","7","4","1") = "6"
    & skf21("1","4","6","4","5","7","5","1") = "6"
    & skf21("1","4","6","4","5","7","6","1") = "6"
    & skf21("1","4","6","4","5","7","7","1") = "6"
    & skf21("1","4","6","4","6","1","1","1") = "5"
    & skf21("1","4","6","4","6","1","2","1") = "5"
    & skf21("1","4","6","4","6","1","3","1") = "5"
    & skf21("1","4","6","4","6","1","4","1") = "5"
    & skf21("1","4","6","4","6","1","5","1") = "5"
    & skf21("1","4","6","4","6","1","6","1") = "5"
    & skf21("1","4","6","4","6","1","7","1") = "6"
    & skf21("1","4","6","4","6","2","1","1") = "5"
    & skf21("1","4","6","4","6","2","2","1") = "5"
    & skf21("1","4","6","4","6","2","3","1") = "5"
    & skf21("1","4","6","4","6","2","4","1") = "5"
    & skf21("1","4","6","4","6","2","5","1") = "5"
    & skf21("1","4","6","4","6","2","6","1") = "5"
    & skf21("1","4","6","4","6","2","7","1") = "6"
    & skf21("1","4","6","4","6","3","1","1") = "5"
    & skf21("1","4","6","4","6","3","2","1") = "5"
    & skf21("1","4","6","4","6","3","3","1") = "5"
    & skf21("1","4","6","4","6","3","4","1") = "5"
    & skf21("1","4","6","4","6","3","5","1") = "5"
    & skf21("1","4","6","4","6","3","6","1") = "5"
    & skf21("1","4","6","4","6","3","7","1") = "6"
    & skf21("1","4","6","4","6","4","1","1") = "5"
    & skf21("1","4","6","4","6","4","2","1") = "5"
    & skf21("1","4","6","4","6","4","3","1") = "5"
    & skf21("1","4","6","4","6","4","4","1") = "5"
    & skf21("1","4","6","4","6","4","5","1") = "5"
    & skf21("1","4","6","4","6","4","6","1") = "5"
    & skf21("1","4","6","4","6","4","7","1") = "6"
    & skf21("1","4","6","4","6","5","1","1") = "5"
    & skf21("1","4","6","4","6","5","2","1") = "5"
    & skf21("1","4","6","4","6","5","3","1") = "5"
    & skf21("1","4","6","4","6","5","4","1") = "5"
    & skf21("1","4","6","4","6","5","5","1") = "5"
    & skf21("1","4","6","4","6","5","6","1") = "5"
    & skf21("1","4","6","4","6","5","7","1") = "6"
    & skf21("1","4","6","4","6","6","1","1") = "5"
    & skf21("1","4","6","4","6","6","2","1") = "5"
    & skf21("1","4","6","4","6","6","3","1") = "5"
    & skf21("1","4","6","4","6","6","4","1") = "5"
    & skf21("1","4","6","4","6","6","5","1") = "5"
    & skf21("1","4","6","4","6","6","6","1") = "5"
    & skf21("1","4","6","4","6","6","7","1") = "6"
    & skf21("1","4","6","4","6","7","1","1") = "6"
    & skf21("1","4","6","4","6","7","2","1") = "6"
    & skf21("1","4","6","4","6","7","3","1") = "6"
    & skf21("1","4","6","4","6","7","4","1") = "6"
    & skf21("1","4","6","4","6","7","5","1") = "6"
    & skf21("1","4","6","4","6","7","6","1") = "6"
    & skf21("1","4","6","4","6","7","7","1") = "6"
    & skf21("1","4","6","4","7","1","1","1") = "6"
    & skf21("1","4","6","4","7","1","2","1") = "6"
    & skf21("1","4","6","4","7","1","3","1") = "6"
    & skf21("1","4","6","4","7","1","4","1") = "6"
    & skf21("1","4","6","4","7","1","5","1") = "6"
    & skf21("1","4","6","4","7","1","6","1") = "6"
    & skf21("1","4","6","4","7","1","7","1") = "6"
    & skf21("1","4","6","4","7","2","1","1") = "6"
    & skf21("1","4","6","4","7","2","2","1") = "6"
    & skf21("1","4","6","4","7","2","3","1") = "6"
    & skf21("1","4","6","4","7","2","4","1") = "6"
    & skf21("1","4","6","4","7","2","5","1") = "6"
    & skf21("1","4","6","4","7","2","6","1") = "6"
    & skf21("1","4","6","4","7","2","7","1") = "6"
    & skf21("1","4","6","4","7","3","1","1") = "6"
    & skf21("1","4","6","4","7","3","2","1") = "6"
    & skf21("1","4","6","4","7","3","3","1") = "6"
    & skf21("1","4","6","4","7","3","4","1") = "6"
    & skf21("1","4","6","4","7","3","5","1") = "6"
    & skf21("1","4","6","4","7","3","6","1") = "6"
    & skf21("1","4","6","4","7","3","7","1") = "6"
    & skf21("1","4","6","4","7","4","1","1") = "6"
    & skf21("1","4","6","4","7","4","2","1") = "6"
    & skf21("1","4","6","4","7","4","3","1") = "6"
    & skf21("1","4","6","4","7","4","4","1") = "6"
    & skf21("1","4","6","4","7","4","5","1") = "6"
    & skf21("1","4","6","4","7","4","6","1") = "6"
    & skf21("1","4","6","4","7","4","7","1") = "6"
    & skf21("1","4","6","4","7","5","1","1") = "6"
    & skf21("1","4","6","4","7","5","2","1") = "6"
    & skf21("1","4","6","4","7","5","3","1") = "6"
    & skf21("1","4","6","4","7","5","4","1") = "6"
    & skf21("1","4","6","4","7","5","5","1") = "6"
    & skf21("1","4","6","4","7","5","6","1") = "6"
    & skf21("1","4","6","4","7","5","7","1") = "6"
    & skf21("1","4","6","4","7","6","1","1") = "6"
    & skf21("1","4","6","4","7","6","2","1") = "6"
    & skf21("1","4","6","4","7","6","3","1") = "6"
    & skf21("1","4","6","4","7","6","4","1") = "6"
    & skf21("1","4","6","4","7","6","5","1") = "6"
    & skf21("1","4","6","4","7","6","6","1") = "6"
    & skf21("1","4","6","4","7","6","7","1") = "6"
    & skf21("1","4","6","4","7","7","1","1") = "6"
    & skf21("1","4","6","4","7","7","2","1") = "6"
    & skf21("1","4","6","4","7","7","3","1") = "6"
    & skf21("1","4","6","4","7","7","4","1") = "6"
    & skf21("1","4","6","4","7","7","5","1") = "6"
    & skf21("1","4","6","4","7","7","6","1") = "6"
    & skf21("1","4","6","4","7","7","7","1") = "6"
    & skf21("1","4","6","5","1","1","1","1") = "5"
    & skf21("1","4","6","5","1","1","2","1") = "5"
    & skf21("1","4","6","5","1","1","3","1") = "5"
    & skf21("1","4","6","5","1","1","4","1") = "5"
    & skf21("1","4","6","5","1","1","5","1") = "5"
    & skf21("1","4","6","5","1","1","6","1") = "5"
    & skf21("1","4","6","5","1","1","7","1") = "6"
    & skf21("1","4","6","5","1","2","1","1") = "5"
    & skf21("1","4","6","5","1","2","2","1") = "5"
    & skf21("1","4","6","5","1","2","3","1") = "5"
    & skf21("1","4","6","5","1","2","4","1") = "5"
    & skf21("1","4","6","5","1","2","5","1") = "5"
    & skf21("1","4","6","5","1","2","6","1") = "5"
    & skf21("1","4","6","5","1","2","7","1") = "6"
    & skf21("1","4","6","5","1","3","1","1") = "5"
    & skf21("1","4","6","5","1","3","2","1") = "5"
    & skf21("1","4","6","5","1","3","3","1") = "5"
    & skf21("1","4","6","5","1","3","4","1") = "5"
    & skf21("1","4","6","5","1","3","5","1") = "5"
    & skf21("1","4","6","5","1","3","6","1") = "5"
    & skf21("1","4","6","5","1","3","7","1") = "6"
    & skf21("1","4","6","5","1","4","1","1") = "5"
    & skf21("1","4","6","5","1","4","2","1") = "5"
    & skf21("1","4","6","5","1","4","3","1") = "5"
    & skf21("1","4","6","5","1","4","4","1") = "5"
    & skf21("1","4","6","5","1","4","5","1") = "5"
    & skf21("1","4","6","5","1","4","6","1") = "5"
    & skf21("1","4","6","5","1","4","7","1") = "6"
    & skf21("1","4","6","5","1","5","1","1") = "5"
    & skf21("1","4","6","5","1","5","2","1") = "5"
    & skf21("1","4","6","5","1","5","3","1") = "5"
    & skf21("1","4","6","5","1","5","4","1") = "5"
    & skf21("1","4","6","5","1","5","5","1") = "5"
    & skf21("1","4","6","5","1","5","6","1") = "5"
    & skf21("1","4","6","5","1","5","7","1") = "6"
    & skf21("1","4","6","5","1","6","1","1") = "5"
    & skf21("1","4","6","5","1","6","2","1") = "5"
    & skf21("1","4","6","5","1","6","3","1") = "5"
    & skf21("1","4","6","5","1","6","4","1") = "5"
    & skf21("1","4","6","5","1","6","5","1") = "5"
    & skf21("1","4","6","5","1","6","6","1") = "5"
    & skf21("1","4","6","5","1","6","7","1") = "6"
    & skf21("1","4","6","5","1","7","1","1") = "6"
    & skf21("1","4","6","5","1","7","2","1") = "6"
    & skf21("1","4","6","5","1","7","3","1") = "6"
    & skf21("1","4","6","5","1","7","4","1") = "6"
    & skf21("1","4","6","5","1","7","5","1") = "6"
    & skf21("1","4","6","5","1","7","6","1") = "6"
    & skf21("1","4","6","5","1","7","7","1") = "6"
    & skf21("1","4","6","5","2","1","1","1") = "5"
    & skf21("1","4","6","5","2","1","2","1") = "5"
    & skf21("1","4","6","5","2","1","3","1") = "5"
    & skf21("1","4","6","5","2","1","4","1") = "5"
    & skf21("1","4","6","5","2","1","5","1") = "5"
    & skf21("1","4","6","5","2","1","6","1") = "5"
    & skf21("1","4","6","5","2","1","7","1") = "6"
    & skf21("1","4","6","5","2","2","1","1") = "5"
    & skf21("1","4","6","5","2","2","2","1") = "5"
    & skf21("1","4","6","5","2","2","3","1") = "5"
    & skf21("1","4","6","5","2","2","4","1") = "5"
    & skf21("1","4","6","5","2","2","5","1") = "5"
    & skf21("1","4","6","5","2","2","6","1") = "5"
    & skf21("1","4","6","5","2","2","7","1") = "6"
    & skf21("1","4","6","5","2","3","1","1") = "5"
    & skf21("1","4","6","5","2","3","2","1") = "5"
    & skf21("1","4","6","5","2","3","3","1") = "5"
    & skf21("1","4","6","5","2","3","4","1") = "5"
    & skf21("1","4","6","5","2","3","5","1") = "5"
    & skf21("1","4","6","5","2","3","6","1") = "5"
    & skf21("1","4","6","5","2","3","7","1") = "6"
    & skf21("1","4","6","5","2","4","1","1") = "5"
    & skf21("1","4","6","5","2","4","2","1") = "5"
    & skf21("1","4","6","5","2","4","3","1") = "5"
    & skf21("1","4","6","5","2","4","4","1") = "5"
    & skf21("1","4","6","5","2","4","5","1") = "5"
    & skf21("1","4","6","5","2","4","6","1") = "5"
    & skf21("1","4","6","5","2","4","7","1") = "6"
    & skf21("1","4","6","5","2","5","1","1") = "5"
    & skf21("1","4","6","5","2","5","2","1") = "5"
    & skf21("1","4","6","5","2","5","3","1") = "5"
    & skf21("1","4","6","5","2","5","4","1") = "5"
    & skf21("1","4","6","5","2","5","5","1") = "5"
    & skf21("1","4","6","5","2","5","6","1") = "5"
    & skf21("1","4","6","5","2","5","7","1") = "6"
    & skf21("1","4","6","5","2","6","1","1") = "5"
    & skf21("1","4","6","5","2","6","2","1") = "5"
    & skf21("1","4","6","5","2","6","3","1") = "5"
    & skf21("1","4","6","5","2","6","4","1") = "5"
    & skf21("1","4","6","5","2","6","5","1") = "5"
    & skf21("1","4","6","5","2","6","6","1") = "5"
    & skf21("1","4","6","5","2","6","7","1") = "6"
    & skf21("1","4","6","5","2","7","1","1") = "6"
    & skf21("1","4","6","5","2","7","2","1") = "6"
    & skf21("1","4","6","5","2","7","3","1") = "6"
    & skf21("1","4","6","5","2","7","4","1") = "6"
    & skf21("1","4","6","5","2","7","5","1") = "6"
    & skf21("1","4","6","5","2","7","6","1") = "6"
    & skf21("1","4","6","5","2","7","7","1") = "6"
    & skf21("1","4","6","5","3","1","1","1") = "5"
    & skf21("1","4","6","5","3","1","2","1") = "5"
    & skf21("1","4","6","5","3","1","3","1") = "5"
    & skf21("1","4","6","5","3","1","4","1") = "5"
    & skf21("1","4","6","5","3","1","5","1") = "5"
    & skf21("1","4","6","5","3","1","6","1") = "5"
    & skf21("1","4","6","5","3","1","7","1") = "6"
    & skf21("1","4","6","5","3","2","1","1") = "5"
    & skf21("1","4","6","5","3","2","2","1") = "5"
    & skf21("1","4","6","5","3","2","3","1") = "5"
    & skf21("1","4","6","5","3","2","4","1") = "5"
    & skf21("1","4","6","5","3","2","5","1") = "5"
    & skf21("1","4","6","5","3","2","6","1") = "5"
    & skf21("1","4","6","5","3","2","7","1") = "6"
    & skf21("1","4","6","5","3","3","1","1") = "5"
    & skf21("1","4","6","5","3","3","2","1") = "5"
    & skf21("1","4","6","5","3","3","3","1") = "5"
    & skf21("1","4","6","5","3","3","4","1") = "5"
    & skf21("1","4","6","5","3","3","5","1") = "5"
    & skf21("1","4","6","5","3","3","6","1") = "5"
    & skf21("1","4","6","5","3","3","7","1") = "6"
    & skf21("1","4","6","5","3","4","1","1") = "5"
    & skf21("1","4","6","5","3","4","2","1") = "5"
    & skf21("1","4","6","5","3","4","3","1") = "5"
    & skf21("1","4","6","5","3","4","4","1") = "5"
    & skf21("1","4","6","5","3","4","5","1") = "5"
    & skf21("1","4","6","5","3","4","6","1") = "5"
    & skf21("1","4","6","5","3","4","7","1") = "6"
    & skf21("1","4","6","5","3","5","1","1") = "5"
    & skf21("1","4","6","5","3","5","2","1") = "5"
    & skf21("1","4","6","5","3","5","3","1") = "5"
    & skf21("1","4","6","5","3","5","4","1") = "5"
    & skf21("1","4","6","5","3","5","5","1") = "5"
    & skf21("1","4","6","5","3","5","6","1") = "5"
    & skf21("1","4","6","5","3","5","7","1") = "6"
    & skf21("1","4","6","5","3","6","1","1") = "5"
    & skf21("1","4","6","5","3","6","2","1") = "5"
    & skf21("1","4","6","5","3","6","3","1") = "5"
    & skf21("1","4","6","5","3","6","4","1") = "5"
    & skf21("1","4","6","5","3","6","5","1") = "5"
    & skf21("1","4","6","5","3","6","6","1") = "5"
    & skf21("1","4","6","5","3","6","7","1") = "6"
    & skf21("1","4","6","5","3","7","1","1") = "6"
    & skf21("1","4","6","5","3","7","2","1") = "6"
    & skf21("1","4","6","5","3","7","3","1") = "6"
    & skf21("1","4","6","5","3","7","4","1") = "6"
    & skf21("1","4","6","5","3","7","5","1") = "6"
    & skf21("1","4","6","5","3","7","6","1") = "6"
    & skf21("1","4","6","5","3","7","7","1") = "6"
    & skf21("1","4","6","5","4","1","1","1") = "5"
    & skf21("1","4","6","5","4","1","2","1") = "5"
    & skf21("1","4","6","5","4","1","3","1") = "5"
    & skf21("1","4","6","5","4","1","4","1") = "5"
    & skf21("1","4","6","5","4","1","5","1") = "5"
    & skf21("1","4","6","5","4","1","6","1") = "5"
    & skf21("1","4","6","5","4","1","7","1") = "6"
    & skf21("1","4","6","5","4","2","1","1") = "5"
    & skf21("1","4","6","5","4","2","2","1") = "5"
    & skf21("1","4","6","5","4","2","3","1") = "5"
    & skf21("1","4","6","5","4","2","4","1") = "5"
    & skf21("1","4","6","5","4","2","5","1") = "5"
    & skf21("1","4","6","5","4","2","6","1") = "5"
    & skf21("1","4","6","5","4","2","7","1") = "6"
    & skf21("1","4","6","5","4","3","1","1") = "5"
    & skf21("1","4","6","5","4","3","2","1") = "5"
    & skf21("1","4","6","5","4","3","3","1") = "5"
    & skf21("1","4","6","5","4","3","4","1") = "5"
    & skf21("1","4","6","5","4","3","5","1") = "5"
    & skf21("1","4","6","5","4","3","6","1") = "5"
    & skf21("1","4","6","5","4","3","7","1") = "6"
    & skf21("1","4","6","5","4","4","1","1") = "5"
    & skf21("1","4","6","5","4","4","2","1") = "5"
    & skf21("1","4","6","5","4","4","3","1") = "5"
    & skf21("1","4","6","5","4","4","4","1") = "5"
    & skf21("1","4","6","5","4","4","5","1") = "5"
    & skf21("1","4","6","5","4","4","6","1") = "5"
    & skf21("1","4","6","5","4","4","7","1") = "6"
    & skf21("1","4","6","5","4","5","1","1") = "5"
    & skf21("1","4","6","5","4","5","2","1") = "5"
    & skf21("1","4","6","5","4","5","3","1") = "5"
    & skf21("1","4","6","5","4","5","4","1") = "5"
    & skf21("1","4","6","5","4","5","5","1") = "5"
    & skf21("1","4","6","5","4","5","6","1") = "5"
    & skf21("1","4","6","5","4","5","7","1") = "6"
    & skf21("1","4","6","5","4","6","1","1") = "5"
    & skf21("1","4","6","5","4","6","2","1") = "5"
    & skf21("1","4","6","5","4","6","3","1") = "5"
    & skf21("1","4","6","5","4","6","4","1") = "5"
    & skf21("1","4","6","5","4","6","5","1") = "5"
    & skf21("1","4","6","5","4","6","6","1") = "5"
    & skf21("1","4","6","5","4","6","7","1") = "6"
    & skf21("1","4","6","5","4","7","1","1") = "6"
    & skf21("1","4","6","5","4","7","2","1") = "6"
    & skf21("1","4","6","5","4","7","3","1") = "6"
    & skf21("1","4","6","5","4","7","4","1") = "6"
    & skf21("1","4","6","5","4","7","5","1") = "6"
    & skf21("1","4","6","5","4","7","6","1") = "6"
    & skf21("1","4","6","5","4","7","7","1") = "6"
    & skf21("1","4","6","5","5","1","1","1") = "5"
    & skf21("1","4","6","5","5","1","2","1") = "5"
    & skf21("1","4","6","5","5","1","3","1") = "5"
    & skf21("1","4","6","5","5","1","4","1") = "5"
    & skf21("1","4","6","5","5","1","5","1") = "5"
    & skf21("1","4","6","5","5","1","6","1") = "5"
    & skf21("1","4","6","5","5","1","7","1") = "6"
    & skf21("1","4","6","5","5","2","1","1") = "5"
    & skf21("1","4","6","5","5","2","2","1") = "5"
    & skf21("1","4","6","5","5","2","3","1") = "5"
    & skf21("1","4","6","5","5","2","4","1") = "5"
    & skf21("1","4","6","5","5","2","5","1") = "5"
    & skf21("1","4","6","5","5","2","6","1") = "5"
    & skf21("1","4","6","5","5","2","7","1") = "6"
    & skf21("1","4","6","5","5","3","1","1") = "5"
    & skf21("1","4","6","5","5","3","2","1") = "5"
    & skf21("1","4","6","5","5","3","3","1") = "5"
    & skf21("1","4","6","5","5","3","4","1") = "5"
    & skf21("1","4","6","5","5","3","5","1") = "5"
    & skf21("1","4","6","5","5","3","6","1") = "5"
    & skf21("1","4","6","5","5","3","7","1") = "6"
    & skf21("1","4","6","5","5","4","1","1") = "5"
    & skf21("1","4","6","5","5","4","2","1") = "5"
    & skf21("1","4","6","5","5","4","3","1") = "5"
    & skf21("1","4","6","5","5","4","4","1") = "5"
    & skf21("1","4","6","5","5","4","5","1") = "5"
    & skf21("1","4","6","5","5","4","6","1") = "5"
    & skf21("1","4","6","5","5","4","7","1") = "6"
    & skf21("1","4","6","5","5","5","1","1") = "5"
    & skf21("1","4","6","5","5","5","2","1") = "5"
    & skf21("1","4","6","5","5","5","3","1") = "5"
    & skf21("1","4","6","5","5","5","4","1") = "5"
    & skf21("1","4","6","5","5","5","5","1") = "5"
    & skf21("1","4","6","5","5","5","6","1") = "5"
    & skf21("1","4","6","5","5","5","7","1") = "6"
    & skf21("1","4","6","5","5","6","1","1") = "5"
    & skf21("1","4","6","5","5","6","2","1") = "5"
    & skf21("1","4","6","5","5","6","3","1") = "5"
    & skf21("1","4","6","5","5","6","4","1") = "5"
    & skf21("1","4","6","5","5","6","5","1") = "5"
    & skf21("1","4","6","5","5","6","6","1") = "5"
    & skf21("1","4","6","5","5","6","7","1") = "6"
    & skf21("1","4","6","5","5","7","1","1") = "6"
    & skf21("1","4","6","5","5","7","2","1") = "6"
    & skf21("1","4","6","5","5","7","3","1") = "6"
    & skf21("1","4","6","5","5","7","4","1") = "6"
    & skf21("1","4","6","5","5","7","5","1") = "6"
    & skf21("1","4","6","5","5","7","6","1") = "6"
    & skf21("1","4","6","5","5","7","7","1") = "6"
    & skf21("1","4","6","5","6","1","1","1") = "5"
    & skf21("1","4","6","5","6","1","2","1") = "5"
    & skf21("1","4","6","5","6","1","3","1") = "5"
    & skf21("1","4","6","5","6","1","4","1") = "5"
    & skf21("1","4","6","5","6","1","5","1") = "5"
    & skf21("1","4","6","5","6","1","6","1") = "5"
    & skf21("1","4","6","5","6","1","7","1") = "6"
    & skf21("1","4","6","5","6","2","1","1") = "5"
    & skf21("1","4","6","5","6","2","2","1") = "5"
    & skf21("1","4","6","5","6","2","3","1") = "5"
    & skf21("1","4","6","5","6","2","4","1") = "5"
    & skf21("1","4","6","5","6","2","5","1") = "5"
    & skf21("1","4","6","5","6","2","6","1") = "5"
    & skf21("1","4","6","5","6","2","7","1") = "6"
    & skf21("1","4","6","5","6","3","1","1") = "5"
    & skf21("1","4","6","5","6","3","2","1") = "5"
    & skf21("1","4","6","5","6","3","3","1") = "5"
    & skf21("1","4","6","5","6","3","4","1") = "5"
    & skf21("1","4","6","5","6","3","5","1") = "5"
    & skf21("1","4","6","5","6","3","6","1") = "5"
    & skf21("1","4","6","5","6","3","7","1") = "6"
    & skf21("1","4","6","5","6","4","1","1") = "5"
    & skf21("1","4","6","5","6","4","2","1") = "5"
    & skf21("1","4","6","5","6","4","3","1") = "5"
    & skf21("1","4","6","5","6","4","4","1") = "5"
    & skf21("1","4","6","5","6","4","5","1") = "5"
    & skf21("1","4","6","5","6","4","6","1") = "5"
    & skf21("1","4","6","5","6","4","7","1") = "6"
    & skf21("1","4","6","5","6","5","1","1") = "5"
    & skf21("1","4","6","5","6","5","2","1") = "5"
    & skf21("1","4","6","5","6","5","3","1") = "5"
    & skf21("1","4","6","5","6","5","4","1") = "5"
    & skf21("1","4","6","5","6","5","5","1") = "5"
    & skf21("1","4","6","5","6","5","6","1") = "5"
    & skf21("1","4","6","5","6","5","7","1") = "6"
    & skf21("1","4","6","5","6","6","1","1") = "5"
    & skf21("1","4","6","5","6","6","2","1") = "5"
    & skf21("1","4","6","5","6","6","3","1") = "5"
    & skf21("1","4","6","5","6","6","4","1") = "5"
    & skf21("1","4","6","5","6","6","5","1") = "5"
    & skf21("1","4","6","5","6","6","6","1") = "5"
    & skf21("1","4","6","5","6","6","7","1") = "6"
    & skf21("1","4","6","5","6","7","1","1") = "6"
    & skf21("1","4","6","5","6","7","2","1") = "6"
    & skf21("1","4","6","5","6","7","3","1") = "6"
    & skf21("1","4","6","5","6","7","4","1") = "6"
    & skf21("1","4","6","5","6","7","5","1") = "6"
    & skf21("1","4","6","5","6","7","6","1") = "6"
    & skf21("1","4","6","5","6","7","7","1") = "6"
    & skf21("1","4","6","5","7","1","1","1") = "6"
    & skf21("1","4","6","5","7","1","2","1") = "6"
    & skf21("1","4","6","5","7","1","3","1") = "6"
    & skf21("1","4","6","5","7","1","4","1") = "6"
    & skf21("1","4","6","5","7","1","5","1") = "6"
    & skf21("1","4","6","5","7","1","6","1") = "6"
    & skf21("1","4","6","5","7","1","7","1") = "6"
    & skf21("1","4","6","5","7","2","1","1") = "6"
    & skf21("1","4","6","5","7","2","2","1") = "6"
    & skf21("1","4","6","5","7","2","3","1") = "6"
    & skf21("1","4","6","5","7","2","4","1") = "6"
    & skf21("1","4","6","5","7","2","5","1") = "6"
    & skf21("1","4","6","5","7","2","6","1") = "6"
    & skf21("1","4","6","5","7","2","7","1") = "6"
    & skf21("1","4","6","5","7","3","1","1") = "6"
    & skf21("1","4","6","5","7","3","2","1") = "6"
    & skf21("1","4","6","5","7","3","3","1") = "6"
    & skf21("1","4","6","5","7","3","4","1") = "6"
    & skf21("1","4","6","5","7","3","5","1") = "6"
    & skf21("1","4","6","5","7","3","6","1") = "6"
    & skf21("1","4","6","5","7","3","7","1") = "6"
    & skf21("1","4","6","5","7","4","1","1") = "6"
    & skf21("1","4","6","5","7","4","2","1") = "6"
    & skf21("1","4","6","5","7","4","3","1") = "6"
    & skf21("1","4","6","5","7","4","4","1") = "6"
    & skf21("1","4","6","5","7","4","5","1") = "6"
    & skf21("1","4","6","5","7","4","6","1") = "6"
    & skf21("1","4","6","5","7","4","7","1") = "6"
    & skf21("1","4","6","5","7","5","1","1") = "6"
    & skf21("1","4","6","5","7","5","2","1") = "6"
    & skf21("1","4","6","5","7","5","3","1") = "6"
    & skf21("1","4","6","5","7","5","4","1") = "6"
    & skf21("1","4","6","5","7","5","5","1") = "6"
    & skf21("1","4","6","5","7","5","6","1") = "6"
    & skf21("1","4","6","5","7","5","7","1") = "6"
    & skf21("1","4","6","5","7","6","1","1") = "6"
    & skf21("1","4","6","5","7","6","2","1") = "6"
    & skf21("1","4","6","5","7","6","3","1") = "6"
    & skf21("1","4","6","5","7","6","4","1") = "6"
    & skf21("1","4","6","5","7","6","5","1") = "6"
    & skf21("1","4","6","5","7","6","6","1") = "6"
    & skf21("1","4","6","5","7","6","7","1") = "6"
    & skf21("1","4","6","5","7","7","1","1") = "6"
    & skf21("1","4","6","5","7","7","2","1") = "6"
    & skf21("1","4","6","5","7","7","3","1") = "6"
    & skf21("1","4","6","5","7","7","4","1") = "6"
    & skf21("1","4","6","5","7","7","5","1") = "6"
    & skf21("1","4","6","5","7","7","6","1") = "6"
    & skf21("1","4","6","5","7","7","7","1") = "6"
    & skf21("1","4","6","6","1","1","1","1") = "5"
    & skf21("1","4","6","6","1","1","2","1") = "5"
    & skf21("1","4","6","6","1","1","3","1") = "5"
    & skf21("1","4","6","6","1","1","4","1") = "5"
    & skf21("1","4","6","6","1","1","5","1") = "5"
    & skf21("1","4","6","6","1","1","6","1") = "5"
    & skf21("1","4","6","6","1","1","7","1") = "6"
    & skf21("1","4","6","6","1","2","1","1") = "5"
    & skf21("1","4","6","6","1","2","2","1") = "5"
    & skf21("1","4","6","6","1","2","3","1") = "5"
    & skf21("1","4","6","6","1","2","4","1") = "5"
    & skf21("1","4","6","6","1","2","5","1") = "5"
    & skf21("1","4","6","6","1","2","6","1") = "5"
    & skf21("1","4","6","6","1","2","7","1") = "6"
    & skf21("1","4","6","6","1","3","1","1") = "5"
    & skf21("1","4","6","6","1","3","2","1") = "5"
    & skf21("1","4","6","6","1","3","3","1") = "5"
    & skf21("1","4","6","6","1","3","4","1") = "5"
    & skf21("1","4","6","6","1","3","5","1") = "5"
    & skf21("1","4","6","6","1","3","6","1") = "5"
    & skf21("1","4","6","6","1","3","7","1") = "6"
    & skf21("1","4","6","6","1","4","1","1") = "5"
    & skf21("1","4","6","6","1","4","2","1") = "5"
    & skf21("1","4","6","6","1","4","3","1") = "5"
    & skf21("1","4","6","6","1","4","4","1") = "5"
    & skf21("1","4","6","6","1","4","5","1") = "5"
    & skf21("1","4","6","6","1","4","6","1") = "5"
    & skf21("1","4","6","6","1","4","7","1") = "6"
    & skf21("1","4","6","6","1","5","1","1") = "5"
    & skf21("1","4","6","6","1","5","2","1") = "5"
    & skf21("1","4","6","6","1","5","3","1") = "5"
    & skf21("1","4","6","6","1","5","4","1") = "5"
    & skf21("1","4","6","6","1","5","5","1") = "5"
    & skf21("1","4","6","6","1","5","6","1") = "5"
    & skf21("1","4","6","6","1","5","7","1") = "6"
    & skf21("1","4","6","6","1","6","1","1") = "5"
    & skf21("1","4","6","6","1","6","2","1") = "5"
    & skf21("1","4","6","6","1","6","3","1") = "5"
    & skf21("1","4","6","6","1","6","4","1") = "5"
    & skf21("1","4","6","6","1","6","5","1") = "5"
    & skf21("1","4","6","6","1","6","6","1") = "5"
    & skf21("1","4","6","6","1","6","7","1") = "6"
    & skf21("1","4","6","6","1","7","1","1") = "6"
    & skf21("1","4","6","6","1","7","2","1") = "6"
    & skf21("1","4","6","6","1","7","3","1") = "6"
    & skf21("1","4","6","6","1","7","4","1") = "6"
    & skf21("1","4","6","6","1","7","5","1") = "6"
    & skf21("1","4","6","6","1","7","6","1") = "6"
    & skf21("1","4","6","6","1","7","7","1") = "6"
    & skf21("1","4","6","6","2","1","1","1") = "5"
    & skf21("1","4","6","6","2","1","2","1") = "5"
    & skf21("1","4","6","6","2","1","3","1") = "5"
    & skf21("1","4","6","6","2","1","4","1") = "5"
    & skf21("1","4","6","6","2","1","5","1") = "5"
    & skf21("1","4","6","6","2","1","6","1") = "5"
    & skf21("1","4","6","6","2","1","7","1") = "6"
    & skf21("1","4","6","6","2","2","1","1") = "5"
    & skf21("1","4","6","6","2","2","2","1") = "5"
    & skf21("1","4","6","6","2","2","3","1") = "5"
    & skf21("1","4","6","6","2","2","4","1") = "5"
    & skf21("1","4","6","6","2","2","5","1") = "5"
    & skf21("1","4","6","6","2","2","6","1") = "5"
    & skf21("1","4","6","6","2","2","7","1") = "6"
    & skf21("1","4","6","6","2","3","1","1") = "5"
    & skf21("1","4","6","6","2","3","2","1") = "5"
    & skf21("1","4","6","6","2","3","3","1") = "5"
    & skf21("1","4","6","6","2","3","4","1") = "5"
    & skf21("1","4","6","6","2","3","5","1") = "5"
    & skf21("1","4","6","6","2","3","6","1") = "5"
    & skf21("1","4","6","6","2","3","7","1") = "6"
    & skf21("1","4","6","6","2","4","1","1") = "5"
    & skf21("1","4","6","6","2","4","2","1") = "5"
    & skf21("1","4","6","6","2","4","3","1") = "5"
    & skf21("1","4","6","6","2","4","4","1") = "5"
    & skf21("1","4","6","6","2","4","5","1") = "5"
    & skf21("1","4","6","6","2","4","6","1") = "5"
    & skf21("1","4","6","6","2","4","7","1") = "6"
    & skf21("1","4","6","6","2","5","1","1") = "5"
    & skf21("1","4","6","6","2","5","2","1") = "5"
    & skf21("1","4","6","6","2","5","3","1") = "5"
    & skf21("1","4","6","6","2","5","4","1") = "5"
    & skf21("1","4","6","6","2","5","5","1") = "5"
    & skf21("1","4","6","6","2","5","6","1") = "5"
    & skf21("1","4","6","6","2","5","7","1") = "6"
    & skf21("1","4","6","6","2","6","1","1") = "5"
    & skf21("1","4","6","6","2","6","2","1") = "5"
    & skf21("1","4","6","6","2","6","3","1") = "5"
    & skf21("1","4","6","6","2","6","4","1") = "5"
    & skf21("1","4","6","6","2","6","5","1") = "5"
    & skf21("1","4","6","6","2","6","6","1") = "5"
    & skf21("1","4","6","6","2","6","7","1") = "6"
    & skf21("1","4","6","6","2","7","1","1") = "6"
    & skf21("1","4","6","6","2","7","2","1") = "6"
    & skf21("1","4","6","6","2","7","3","1") = "6"
    & skf21("1","4","6","6","2","7","4","1") = "6"
    & skf21("1","4","6","6","2","7","5","1") = "6"
    & skf21("1","4","6","6","2","7","6","1") = "6"
    & skf21("1","4","6","6","2","7","7","1") = "6"
    & skf21("1","4","6","6","3","1","1","1") = "5"
    & skf21("1","4","6","6","3","1","2","1") = "5"
    & skf21("1","4","6","6","3","1","3","1") = "5"
    & skf21("1","4","6","6","3","1","4","1") = "5"
    & skf21("1","4","6","6","3","1","5","1") = "5"
    & skf21("1","4","6","6","3","1","6","1") = "5"
    & skf21("1","4","6","6","3","1","7","1") = "6"
    & skf21("1","4","6","6","3","2","1","1") = "5"
    & skf21("1","4","6","6","3","2","2","1") = "5"
    & skf21("1","4","6","6","3","2","3","1") = "5"
    & skf21("1","4","6","6","3","2","4","1") = "5"
    & skf21("1","4","6","6","3","2","5","1") = "5"
    & skf21("1","4","6","6","3","2","6","1") = "5"
    & skf21("1","4","6","6","3","2","7","1") = "6"
    & skf21("1","4","6","6","3","3","1","1") = "5"
    & skf21("1","4","6","6","3","3","2","1") = "5"
    & skf21("1","4","6","6","3","3","3","1") = "5"
    & skf21("1","4","6","6","3","3","4","1") = "5"
    & skf21("1","4","6","6","3","3","5","1") = "5"
    & skf21("1","4","6","6","3","3","6","1") = "5"
    & skf21("1","4","6","6","3","3","7","1") = "6"
    & skf21("1","4","6","6","3","4","1","1") = "5"
    & skf21("1","4","6","6","3","4","2","1") = "5"
    & skf21("1","4","6","6","3","4","3","1") = "5"
    & skf21("1","4","6","6","3","4","4","1") = "5"
    & skf21("1","4","6","6","3","4","5","1") = "5"
    & skf21("1","4","6","6","3","4","6","1") = "5"
    & skf21("1","4","6","6","3","4","7","1") = "6"
    & skf21("1","4","6","6","3","5","1","1") = "5"
    & skf21("1","4","6","6","3","5","2","1") = "5"
    & skf21("1","4","6","6","3","5","3","1") = "5"
    & skf21("1","4","6","6","3","5","4","1") = "5"
    & skf21("1","4","6","6","3","5","5","1") = "5"
    & skf21("1","4","6","6","3","5","6","1") = "5"
    & skf21("1","4","6","6","3","5","7","1") = "6"
    & skf21("1","4","6","6","3","6","1","1") = "5"
    & skf21("1","4","6","6","3","6","2","1") = "5"
    & skf21("1","4","6","6","3","6","3","1") = "5"
    & skf21("1","4","6","6","3","6","4","1") = "5"
    & skf21("1","4","6","6","3","6","5","1") = "5"
    & skf21("1","4","6","6","3","6","6","1") = "5"
    & skf21("1","4","6","6","3","6","7","1") = "6"
    & skf21("1","4","6","6","3","7","1","1") = "6"
    & skf21("1","4","6","6","3","7","2","1") = "6"
    & skf21("1","4","6","6","3","7","3","1") = "6"
    & skf21("1","4","6","6","3","7","4","1") = "6"
    & skf21("1","4","6","6","3","7","5","1") = "6"
    & skf21("1","4","6","6","3","7","6","1") = "6"
    & skf21("1","4","6","6","3","7","7","1") = "6"
    & skf21("1","4","6","6","4","1","1","1") = "5"
    & skf21("1","4","6","6","4","1","2","1") = "5"
    & skf21("1","4","6","6","4","1","3","1") = "5"
    & skf21("1","4","6","6","4","1","4","1") = "5"
    & skf21("1","4","6","6","4","1","5","1") = "5"
    & skf21("1","4","6","6","4","1","6","1") = "5"
    & skf21("1","4","6","6","4","1","7","1") = "6"
    & skf21("1","4","6","6","4","2","1","1") = "5"
    & skf21("1","4","6","6","4","2","2","1") = "5"
    & skf21("1","4","6","6","4","2","3","1") = "5"
    & skf21("1","4","6","6","4","2","4","1") = "5"
    & skf21("1","4","6","6","4","2","5","1") = "5"
    & skf21("1","4","6","6","4","2","6","1") = "5"
    & skf21("1","4","6","6","4","2","7","1") = "6"
    & skf21("1","4","6","6","4","3","1","1") = "5"
    & skf21("1","4","6","6","4","3","2","1") = "5"
    & skf21("1","4","6","6","4","3","3","1") = "5"
    & skf21("1","4","6","6","4","3","4","1") = "5"
    & skf21("1","4","6","6","4","3","5","1") = "5"
    & skf21("1","4","6","6","4","3","6","1") = "5"
    & skf21("1","4","6","6","4","3","7","1") = "6"
    & skf21("1","4","6","6","4","4","1","1") = "5"
    & skf21("1","4","6","6","4","4","2","1") = "5"
    & skf21("1","4","6","6","4","4","3","1") = "5"
    & skf21("1","4","6","6","4","4","4","1") = "5"
    & skf21("1","4","6","6","4","4","5","1") = "5"
    & skf21("1","4","6","6","4","4","6","1") = "5"
    & skf21("1","4","6","6","4","4","7","1") = "6"
    & skf21("1","4","6","6","4","5","1","1") = "5"
    & skf21("1","4","6","6","4","5","2","1") = "5"
    & skf21("1","4","6","6","4","5","3","1") = "5"
    & skf21("1","4","6","6","4","5","4","1") = "5"
    & skf21("1","4","6","6","4","5","5","1") = "5"
    & skf21("1","4","6","6","4","5","6","1") = "5"
    & skf21("1","4","6","6","4","5","7","1") = "6"
    & skf21("1","4","6","6","4","6","1","1") = "5"
    & skf21("1","4","6","6","4","6","2","1") = "5"
    & skf21("1","4","6","6","4","6","3","1") = "5"
    & skf21("1","4","6","6","4","6","4","1") = "5"
    & skf21("1","4","6","6","4","6","5","1") = "5"
    & skf21("1","4","6","6","4","6","6","1") = "5"
    & skf21("1","4","6","6","4","6","7","1") = "6"
    & skf21("1","4","6","6","4","7","1","1") = "6"
    & skf21("1","4","6","6","4","7","2","1") = "6"
    & skf21("1","4","6","6","4","7","3","1") = "6"
    & skf21("1","4","6","6","4","7","4","1") = "6"
    & skf21("1","4","6","6","4","7","5","1") = "6"
    & skf21("1","4","6","6","4","7","6","1") = "6"
    & skf21("1","4","6","6","4","7","7","1") = "6"
    & skf21("1","4","6","6","5","1","1","1") = "5"
    & skf21("1","4","6","6","5","1","2","1") = "5"
    & skf21("1","4","6","6","5","1","3","1") = "5"
    & skf21("1","4","6","6","5","1","4","1") = "5"
    & skf21("1","4","6","6","5","1","5","1") = "5"
    & skf21("1","4","6","6","5","1","6","1") = "5"
    & skf21("1","4","6","6","5","1","7","1") = "6"
    & skf21("1","4","6","6","5","2","1","1") = "5"
    & skf21("1","4","6","6","5","2","2","1") = "5"
    & skf21("1","4","6","6","5","2","3","1") = "5"
    & skf21("1","4","6","6","5","2","4","1") = "5"
    & skf21("1","4","6","6","5","2","5","1") = "5"
    & skf21("1","4","6","6","5","2","6","1") = "5"
    & skf21("1","4","6","6","5","2","7","1") = "6"
    & skf21("1","4","6","6","5","3","1","1") = "5"
    & skf21("1","4","6","6","5","3","2","1") = "5"
    & skf21("1","4","6","6","5","3","3","1") = "5"
    & skf21("1","4","6","6","5","3","4","1") = "5"
    & skf21("1","4","6","6","5","3","5","1") = "5"
    & skf21("1","4","6","6","5","3","6","1") = "5"
    & skf21("1","4","6","6","5","3","7","1") = "6"
    & skf21("1","4","6","6","5","4","1","1") = "5"
    & skf21("1","4","6","6","5","4","2","1") = "5"
    & skf21("1","4","6","6","5","4","3","1") = "5"
    & skf21("1","4","6","6","5","4","4","1") = "5"
    & skf21("1","4","6","6","5","4","5","1") = "5"
    & skf21("1","4","6","6","5","4","6","1") = "5"
    & skf21("1","4","6","6","5","4","7","1") = "6"
    & skf21("1","4","6","6","5","5","1","1") = "5"
    & skf21("1","4","6","6","5","5","2","1") = "5"
    & skf21("1","4","6","6","5","5","3","1") = "5"
    & skf21("1","4","6","6","5","5","4","1") = "5"
    & skf21("1","4","6","6","5","5","5","1") = "5"
    & skf21("1","4","6","6","5","5","6","1") = "5"
    & skf21("1","4","6","6","5","5","7","1") = "6"
    & skf21("1","4","6","6","5","6","1","1") = "5"
    & skf21("1","4","6","6","5","6","2","1") = "5"
    & skf21("1","4","6","6","5","6","3","1") = "5"
    & skf21("1","4","6","6","5","6","4","1") = "5"
    & skf21("1","4","6","6","5","6","5","1") = "5"
    & skf21("1","4","6","6","5","6","6","1") = "5"
    & skf21("1","4","6","6","5","6","7","1") = "6"
    & skf21("1","4","6","6","5","7","1","1") = "6"
    & skf21("1","4","6","6","5","7","2","1") = "6"
    & skf21("1","4","6","6","5","7","3","1") = "6"
    & skf21("1","4","6","6","5","7","4","1") = "6"
    & skf21("1","4","6","6","5","7","5","1") = "6"
    & skf21("1","4","6","6","5","7","6","1") = "6"
    & skf21("1","4","6","6","5","7","7","1") = "6"
    & skf21("1","4","6","6","6","1","1","1") = "5"
    & skf21("1","4","6","6","6","1","2","1") = "5"
    & skf21("1","4","6","6","6","1","3","1") = "5"
    & skf21("1","4","6","6","6","1","4","1") = "5"
    & skf21("1","4","6","6","6","1","5","1") = "5"
    & skf21("1","4","6","6","6","1","6","1") = "5"
    & skf21("1","4","6","6","6","1","7","1") = "6"
    & skf21("1","4","6","6","6","2","1","1") = "5"
    & skf21("1","4","6","6","6","2","2","1") = "5"
    & skf21("1","4","6","6","6","2","3","1") = "5"
    & skf21("1","4","6","6","6","2","4","1") = "5"
    & skf21("1","4","6","6","6","2","5","1") = "5"
    & skf21("1","4","6","6","6","2","6","1") = "5"
    & skf21("1","4","6","6","6","2","7","1") = "6"
    & skf21("1","4","6","6","6","3","1","1") = "5"
    & skf21("1","4","6","6","6","3","2","1") = "5"
    & skf21("1","4","6","6","6","3","3","1") = "5"
    & skf21("1","4","6","6","6","3","4","1") = "5"
    & skf21("1","4","6","6","6","3","5","1") = "5"
    & skf21("1","4","6","6","6","3","6","1") = "5"
    & skf21("1","4","6","6","6","3","7","1") = "6"
    & skf21("1","4","6","6","6","4","1","1") = "5"
    & skf21("1","4","6","6","6","4","2","1") = "5"
    & skf21("1","4","6","6","6","4","3","1") = "5"
    & skf21("1","4","6","6","6","4","4","1") = "5"
    & skf21("1","4","6","6","6","4","5","1") = "5"
    & skf21("1","4","6","6","6","4","6","1") = "5"
    & skf21("1","4","6","6","6","4","7","1") = "6"
    & skf21("1","4","6","6","6","5","1","1") = "5"
    & skf21("1","4","6","6","6","5","2","1") = "5"
    & skf21("1","4","6","6","6","5","3","1") = "5"
    & skf21("1","4","6","6","6","5","4","1") = "5"
    & skf21("1","4","6","6","6","5","5","1") = "5"
    & skf21("1","4","6","6","6","5","6","1") = "5"
    & skf21("1","4","6","6","6","5","7","1") = "6"
    & skf21("1","4","6","6","6","6","1","1") = "5"
    & skf21("1","4","6","6","6","6","2","1") = "5"
    & skf21("1","4","6","6","6","6","3","1") = "5"
    & skf21("1","4","6","6","6","6","4","1") = "5"
    & skf21("1","4","6","6","6","6","5","1") = "5"
    & skf21("1","4","6","6","6","6","6","1") = "5"
    & skf21("1","4","6","6","6","6","7","1") = "6"
    & skf21("1","4","6","6","6","7","1","1") = "6"
    & skf21("1","4","6","6","6","7","2","1") = "6"
    & skf21("1","4","6","6","6","7","3","1") = "6"
    & skf21("1","4","6","6","6","7","4","1") = "6"
    & skf21("1","4","6","6","6","7","5","1") = "6"
    & skf21("1","4","6","6","6","7","6","1") = "6"
    & skf21("1","4","6","6","6","7","7","1") = "6"
    & skf21("1","4","6","6","7","1","1","1") = "6"
    & skf21("1","4","6","6","7","1","2","1") = "6"
    & skf21("1","4","6","6","7","1","3","1") = "6"
    & skf21("1","4","6","6","7","1","4","1") = "6"
    & skf21("1","4","6","6","7","1","5","1") = "6"
    & skf21("1","4","6","6","7","1","6","1") = "6"
    & skf21("1","4","6","6","7","1","7","1") = "6"
    & skf21("1","4","6","6","7","2","1","1") = "6"
    & skf21("1","4","6","6","7","2","2","1") = "6"
    & skf21("1","4","6","6","7","2","3","1") = "6"
    & skf21("1","4","6","6","7","2","4","1") = "6"
    & skf21("1","4","6","6","7","2","5","1") = "6"
    & skf21("1","4","6","6","7","2","6","1") = "6"
    & skf21("1","4","6","6","7","2","7","1") = "6"
    & skf21("1","4","6","6","7","3","1","1") = "6"
    & skf21("1","4","6","6","7","3","2","1") = "6"
    & skf21("1","4","6","6","7","3","3","1") = "6"
    & skf21("1","4","6","6","7","3","4","1") = "6"
    & skf21("1","4","6","6","7","3","5","1") = "6"
    & skf21("1","4","6","6","7","3","6","1") = "6"
    & skf21("1","4","6","6","7","3","7","1") = "6"
    & skf21("1","4","6","6","7","4","1","1") = "6"
    & skf21("1","4","6","6","7","4","2","1") = "6"
    & skf21("1","4","6","6","7","4","3","1") = "6"
    & skf21("1","4","6","6","7","4","4","1") = "6"
    & skf21("1","4","6","6","7","4","5","1") = "6"
    & skf21("1","4","6","6","7","4","6","1") = "6"
    & skf21("1","4","6","6","7","4","7","1") = "6"
    & skf21("1","4","6","6","7","5","1","1") = "6"
    & skf21("1","4","6","6","7","5","2","1") = "6"
    & skf21("1","4","6","6","7","5","3","1") = "6"
    & skf21("1","4","6","6","7","5","4","1") = "6"
    & skf21("1","4","6","6","7","5","5","1") = "6"
    & skf21("1","4","6","6","7","5","6","1") = "6"
    & skf21("1","4","6","6","7","5","7","1") = "6"
    & skf21("1","4","6","6","7","6","1","1") = "6"
    & skf21("1","4","6","6","7","6","2","1") = "6"
    & skf21("1","4","6","6","7","6","3","1") = "6"
    & skf21("1","4","6","6","7","6","4","1") = "6"
    & skf21("1","4","6","6","7","6","5","1") = "6"
    & skf21("1","4","6","6","7","6","6","1") = "6"
    & skf21("1","4","6","6","7","6","7","1") = "6"
    & skf21("1","4","6","6","7","7","1","1") = "6"
    & skf21("1","4","6","6","7","7","2","1") = "6"
    & skf21("1","4","6","6","7","7","3","1") = "6"
    & skf21("1","4","6","6","7","7","4","1") = "6"
    & skf21("1","4","6","6","7","7","5","1") = "6"
    & skf21("1","4","6","6","7","7","6","1") = "6"
    & skf21("1","4","6","6","7","7","7","1") = "6"
    & skf21("1","4","6","7","1","1","1","1") = "6"
    & skf21("1","4","6","7","1","1","2","1") = "6"
    & skf21("1","4","6","7","1","1","3","1") = "6"
    & skf21("1","4","6","7","1","1","4","1") = "6"
    & skf21("1","4","6","7","1","1","5","1") = "6"
    & skf21("1","4","6","7","1","1","6","1") = "6"
    & skf21("1","4","6","7","1","1","7","1") = "6"
    & skf21("1","4","6","7","1","2","1","1") = "6"
    & skf21("1","4","6","7","1","2","2","1") = "6"
    & skf21("1","4","6","7","1","2","3","1") = "6"
    & skf21("1","4","6","7","1","2","4","1") = "6"
    & skf21("1","4","6","7","1","2","5","1") = "6"
    & skf21("1","4","6","7","1","2","6","1") = "6"
    & skf21("1","4","6","7","1","2","7","1") = "6"
    & skf21("1","4","6","7","1","3","1","1") = "6"
    & skf21("1","4","6","7","1","3","2","1") = "6"
    & skf21("1","4","6","7","1","3","3","1") = "6"
    & skf21("1","4","6","7","1","3","4","1") = "6"
    & skf21("1","4","6","7","1","3","5","1") = "6"
    & skf21("1","4","6","7","1","3","6","1") = "6"
    & skf21("1","4","6","7","1","3","7","1") = "6"
    & skf21("1","4","6","7","1","4","1","1") = "6"
    & skf21("1","4","6","7","1","4","2","1") = "6"
    & skf21("1","4","6","7","1","4","3","1") = "6"
    & skf21("1","4","6","7","1","4","4","1") = "6"
    & skf21("1","4","6","7","1","4","5","1") = "6"
    & skf21("1","4","6","7","1","4","6","1") = "6"
    & skf21("1","4","6","7","1","4","7","1") = "6"
    & skf21("1","4","6","7","1","5","1","1") = "6"
    & skf21("1","4","6","7","1","5","2","1") = "6"
    & skf21("1","4","6","7","1","5","3","1") = "6"
    & skf21("1","4","6","7","1","5","4","1") = "6"
    & skf21("1","4","6","7","1","5","5","1") = "6"
    & skf21("1","4","6","7","1","5","6","1") = "6"
    & skf21("1","4","6","7","1","5","7","1") = "6"
    & skf21("1","4","6","7","1","6","1","1") = "6"
    & skf21("1","4","6","7","1","6","2","1") = "6"
    & skf21("1","4","6","7","1","6","3","1") = "6"
    & skf21("1","4","6","7","1","6","4","1") = "6"
    & skf21("1","4","6","7","1","6","5","1") = "6"
    & skf21("1","4","6","7","1","6","6","1") = "6"
    & skf21("1","4","6","7","1","6","7","1") = "6"
    & skf21("1","4","6","7","1","7","1","1") = "6"
    & skf21("1","4","6","7","1","7","2","1") = "6"
    & skf21("1","4","6","7","1","7","3","1") = "6"
    & skf21("1","4","6","7","1","7","4","1") = "6"
    & skf21("1","4","6","7","1","7","5","1") = "6"
    & skf21("1","4","6","7","1","7","6","1") = "6"
    & skf21("1","4","6","7","1","7","7","1") = "6"
    & skf21("1","4","6","7","2","1","1","1") = "6"
    & skf21("1","4","6","7","2","1","2","1") = "6"
    & skf21("1","4","6","7","2","1","3","1") = "6"
    & skf21("1","4","6","7","2","1","4","1") = "6"
    & skf21("1","4","6","7","2","1","5","1") = "6"
    & skf21("1","4","6","7","2","1","6","1") = "6"
    & skf21("1","4","6","7","2","1","7","1") = "6"
    & skf21("1","4","6","7","2","2","1","1") = "6"
    & skf21("1","4","6","7","2","2","2","1") = "6"
    & skf21("1","4","6","7","2","2","3","1") = "6"
    & skf21("1","4","6","7","2","2","4","1") = "6"
    & skf21("1","4","6","7","2","2","5","1") = "6"
    & skf21("1","4","6","7","2","2","6","1") = "6"
    & skf21("1","4","6","7","2","2","7","1") = "6"
    & skf21("1","4","6","7","2","3","1","1") = "6"
    & skf21("1","4","6","7","2","3","2","1") = "6"
    & skf21("1","4","6","7","2","3","3","1") = "6"
    & skf21("1","4","6","7","2","3","4","1") = "6"
    & skf21("1","4","6","7","2","3","5","1") = "6"
    & skf21("1","4","6","7","2","3","6","1") = "6"
    & skf21("1","4","6","7","2","3","7","1") = "6"
    & skf21("1","4","6","7","2","4","1","1") = "6"
    & skf21("1","4","6","7","2","4","2","1") = "6"
    & skf21("1","4","6","7","2","4","3","1") = "6"
    & skf21("1","4","6","7","2","4","4","1") = "6"
    & skf21("1","4","6","7","2","4","5","1") = "6"
    & skf21("1","4","6","7","2","4","6","1") = "6"
    & skf21("1","4","6","7","2","4","7","1") = "6"
    & skf21("1","4","6","7","2","5","1","1") = "6"
    & skf21("1","4","6","7","2","5","2","1") = "6"
    & skf21("1","4","6","7","2","5","3","1") = "6"
    & skf21("1","4","6","7","2","5","4","1") = "6"
    & skf21("1","4","6","7","2","5","5","1") = "6"
    & skf21("1","4","6","7","2","5","6","1") = "6"
    & skf21("1","4","6","7","2","5","7","1") = "6"
    & skf21("1","4","6","7","2","6","1","1") = "6"
    & skf21("1","4","6","7","2","6","2","1") = "6"
    & skf21("1","4","6","7","2","6","3","1") = "6"
    & skf21("1","4","6","7","2","6","4","1") = "6"
    & skf21("1","4","6","7","2","6","5","1") = "6"
    & skf21("1","4","6","7","2","6","6","1") = "6"
    & skf21("1","4","6","7","2","6","7","1") = "6"
    & skf21("1","4","6","7","2","7","1","1") = "6"
    & skf21("1","4","6","7","2","7","2","1") = "6"
    & skf21("1","4","6","7","2","7","3","1") = "6"
    & skf21("1","4","6","7","2","7","4","1") = "6"
    & skf21("1","4","6","7","2","7","5","1") = "6"
    & skf21("1","4","6","7","2","7","6","1") = "6"
    & skf21("1","4","6","7","2","7","7","1") = "6"
    & skf21("1","4","6","7","3","1","1","1") = "6"
    & skf21("1","4","6","7","3","1","2","1") = "6"
    & skf21("1","4","6","7","3","1","3","1") = "6"
    & skf21("1","4","6","7","3","1","4","1") = "6"
    & skf21("1","4","6","7","3","1","5","1") = "6"
    & skf21("1","4","6","7","3","1","6","1") = "6"
    & skf21("1","4","6","7","3","1","7","1") = "6"
    & skf21("1","4","6","7","3","2","1","1") = "6"
    & skf21("1","4","6","7","3","2","2","1") = "6"
    & skf21("1","4","6","7","3","2","3","1") = "6"
    & skf21("1","4","6","7","3","2","4","1") = "6"
    & skf21("1","4","6","7","3","2","5","1") = "6"
    & skf21("1","4","6","7","3","2","6","1") = "6"
    & skf21("1","4","6","7","3","2","7","1") = "6"
    & skf21("1","4","6","7","3","3","1","1") = "6"
    & skf21("1","4","6","7","3","3","2","1") = "6"
    & skf21("1","4","6","7","3","3","3","1") = "6"
    & skf21("1","4","6","7","3","3","4","1") = "6"
    & skf21("1","4","6","7","3","3","5","1") = "6"
    & skf21("1","4","6","7","3","3","6","1") = "6"
    & skf21("1","4","6","7","3","3","7","1") = "6"
    & skf21("1","4","6","7","3","4","1","1") = "6"
    & skf21("1","4","6","7","3","4","2","1") = "6"
    & skf21("1","4","6","7","3","4","3","1") = "6"
    & skf21("1","4","6","7","3","4","4","1") = "6"
    & skf21("1","4","6","7","3","4","5","1") = "6"
    & skf21("1","4","6","7","3","4","6","1") = "6"
    & skf21("1","4","6","7","3","4","7","1") = "6"
    & skf21("1","4","6","7","3","5","1","1") = "6"
    & skf21("1","4","6","7","3","5","2","1") = "6"
    & skf21("1","4","6","7","3","5","3","1") = "6"
    & skf21("1","4","6","7","3","5","4","1") = "6"
    & skf21("1","4","6","7","3","5","5","1") = "6"
    & skf21("1","4","6","7","3","5","6","1") = "6"
    & skf21("1","4","6","7","3","5","7","1") = "6"
    & skf21("1","4","6","7","3","6","1","1") = "6"
    & skf21("1","4","6","7","3","6","2","1") = "6"
    & skf21("1","4","6","7","3","6","3","1") = "6"
    & skf21("1","4","6","7","3","6","4","1") = "6"
    & skf21("1","4","6","7","3","6","5","1") = "6"
    & skf21("1","4","6","7","3","6","6","1") = "6"
    & skf21("1","4","6","7","3","6","7","1") = "6"
    & skf21("1","4","6","7","3","7","1","1") = "6"
    & skf21("1","4","6","7","3","7","2","1") = "6"
    & skf21("1","4","6","7","3","7","3","1") = "6"
    & skf21("1","4","6","7","3","7","4","1") = "6"
    & skf21("1","4","6","7","3","7","5","1") = "6"
    & skf21("1","4","6","7","3","7","6","1") = "6"
    & skf21("1","4","6","7","3","7","7","1") = "6"
    & skf21("1","4","6","7","4","1","1","1") = "6"
    & skf21("1","4","6","7","4","1","2","1") = "6"
    & skf21("1","4","6","7","4","1","3","1") = "6"
    & skf21("1","4","6","7","4","1","4","1") = "6"
    & skf21("1","4","6","7","4","1","5","1") = "6"
    & skf21("1","4","6","7","4","1","6","1") = "6"
    & skf21("1","4","6","7","4","1","7","1") = "6"
    & skf21("1","4","6","7","4","2","1","1") = "6"
    & skf21("1","4","6","7","4","2","2","1") = "6"
    & skf21("1","4","6","7","4","2","3","1") = "6"
    & skf21("1","4","6","7","4","2","4","1") = "6"
    & skf21("1","4","6","7","4","2","5","1") = "6"
    & skf21("1","4","6","7","4","2","6","1") = "6"
    & skf21("1","4","6","7","4","2","7","1") = "6"
    & skf21("1","4","6","7","4","3","1","1") = "6"
    & skf21("1","4","6","7","4","3","2","1") = "6"
    & skf21("1","4","6","7","4","3","3","1") = "6"
    & skf21("1","4","6","7","4","3","4","1") = "6"
    & skf21("1","4","6","7","4","3","5","1") = "6"
    & skf21("1","4","6","7","4","3","6","1") = "6"
    & skf21("1","4","6","7","4","3","7","1") = "6"
    & skf21("1","4","6","7","4","4","1","1") = "6"
    & skf21("1","4","6","7","4","4","2","1") = "6"
    & skf21("1","4","6","7","4","4","3","1") = "6"
    & skf21("1","4","6","7","4","4","4","1") = "6"
    & skf21("1","4","6","7","4","4","5","1") = "6"
    & skf21("1","4","6","7","4","4","6","1") = "6"
    & skf21("1","4","6","7","4","4","7","1") = "6"
    & skf21("1","4","6","7","4","5","1","1") = "6"
    & skf21("1","4","6","7","4","5","2","1") = "6"
    & skf21("1","4","6","7","4","5","3","1") = "6"
    & skf21("1","4","6","7","4","5","4","1") = "6"
    & skf21("1","4","6","7","4","5","5","1") = "6"
    & skf21("1","4","6","7","4","5","6","1") = "6"
    & skf21("1","4","6","7","4","5","7","1") = "6"
    & skf21("1","4","6","7","4","6","1","1") = "6"
    & skf21("1","4","6","7","4","6","2","1") = "6"
    & skf21("1","4","6","7","4","6","3","1") = "6"
    & skf21("1","4","6","7","4","6","4","1") = "6"
    & skf21("1","4","6","7","4","6","5","1") = "6"
    & skf21("1","4","6","7","4","6","6","1") = "6"
    & skf21("1","4","6","7","4","6","7","1") = "6"
    & skf21("1","4","6","7","4","7","1","1") = "6"
    & skf21("1","4","6","7","4","7","2","1") = "6"
    & skf21("1","4","6","7","4","7","3","1") = "6"
    & skf21("1","4","6","7","4","7","4","1") = "6"
    & skf21("1","4","6","7","4","7","5","1") = "6"
    & skf21("1","4","6","7","4","7","6","1") = "6"
    & skf21("1","4","6","7","4","7","7","1") = "6"
    & skf21("1","4","6","7","5","1","1","1") = "6"
    & skf21("1","4","6","7","5","1","2","1") = "6"
    & skf21("1","4","6","7","5","1","3","1") = "6"
    & skf21("1","4","6","7","5","1","4","1") = "6"
    & skf21("1","4","6","7","5","1","5","1") = "6"
    & skf21("1","4","6","7","5","1","6","1") = "6"
    & skf21("1","4","6","7","5","1","7","1") = "6"
    & skf21("1","4","6","7","5","2","1","1") = "6"
    & skf21("1","4","6","7","5","2","2","1") = "6"
    & skf21("1","4","6","7","5","2","3","1") = "6"
    & skf21("1","4","6","7","5","2","4","1") = "6"
    & skf21("1","4","6","7","5","2","5","1") = "6"
    & skf21("1","4","6","7","5","2","6","1") = "6"
    & skf21("1","4","6","7","5","2","7","1") = "6"
    & skf21("1","4","6","7","5","3","1","1") = "6"
    & skf21("1","4","6","7","5","3","2","1") = "6"
    & skf21("1","4","6","7","5","3","3","1") = "6"
    & skf21("1","4","6","7","5","3","4","1") = "6"
    & skf21("1","4","6","7","5","3","5","1") = "6"
    & skf21("1","4","6","7","5","3","6","1") = "6"
    & skf21("1","4","6","7","5","3","7","1") = "6"
    & skf21("1","4","6","7","5","4","1","1") = "6"
    & skf21("1","4","6","7","5","4","2","1") = "6"
    & skf21("1","4","6","7","5","4","3","1") = "6"
    & skf21("1","4","6","7","5","4","4","1") = "6"
    & skf21("1","4","6","7","5","4","5","1") = "6"
    & skf21("1","4","6","7","5","4","6","1") = "6"
    & skf21("1","4","6","7","5","4","7","1") = "6"
    & skf21("1","4","6","7","5","5","1","1") = "6"
    & skf21("1","4","6","7","5","5","2","1") = "6"
    & skf21("1","4","6","7","5","5","3","1") = "6"
    & skf21("1","4","6","7","5","5","4","1") = "6"
    & skf21("1","4","6","7","5","5","5","1") = "6"
    & skf21("1","4","6","7","5","5","6","1") = "6"
    & skf21("1","4","6","7","5","5","7","1") = "6"
    & skf21("1","4","6","7","5","6","1","1") = "6"
    & skf21("1","4","6","7","5","6","2","1") = "6"
    & skf21("1","4","6","7","5","6","3","1") = "6"
    & skf21("1","4","6","7","5","6","4","1") = "6"
    & skf21("1","4","6","7","5","6","5","1") = "6"
    & skf21("1","4","6","7","5","6","6","1") = "6"
    & skf21("1","4","6","7","5","6","7","1") = "6"
    & skf21("1","4","6","7","5","7","1","1") = "6"
    & skf21("1","4","6","7","5","7","2","1") = "6"
    & skf21("1","4","6","7","5","7","3","1") = "6"
    & skf21("1","4","6","7","5","7","4","1") = "6"
    & skf21("1","4","6","7","5","7","5","1") = "6"
    & skf21("1","4","6","7","5","7","6","1") = "6"
    & skf21("1","4","6","7","5","7","7","1") = "6"
    & skf21("1","4","6","7","6","1","1","1") = "6"
    & skf21("1","4","6","7","6","1","2","1") = "6"
    & skf21("1","4","6","7","6","1","3","1") = "6"
    & skf21("1","4","6","7","6","1","4","1") = "6"
    & skf21("1","4","6","7","6","1","5","1") = "6"
    & skf21("1","4","6","7","6","1","6","1") = "6"
    & skf21("1","4","6","7","6","1","7","1") = "6"
    & skf21("1","4","6","7","6","2","1","1") = "6"
    & skf21("1","4","6","7","6","2","2","1") = "6"
    & skf21("1","4","6","7","6","2","3","1") = "6"
    & skf21("1","4","6","7","6","2","4","1") = "6"
    & skf21("1","4","6","7","6","2","5","1") = "6"
    & skf21("1","4","6","7","6","2","6","1") = "6"
    & skf21("1","4","6","7","6","2","7","1") = "6"
    & skf21("1","4","6","7","6","3","1","1") = "6"
    & skf21("1","4","6","7","6","3","2","1") = "6"
    & skf21("1","4","6","7","6","3","3","1") = "6"
    & skf21("1","4","6","7","6","3","4","1") = "6"
    & skf21("1","4","6","7","6","3","5","1") = "6"
    & skf21("1","4","6","7","6","3","6","1") = "6"
    & skf21("1","4","6","7","6","3","7","1") = "6"
    & skf21("1","4","6","7","6","4","1","1") = "6"
    & skf21("1","4","6","7","6","4","2","1") = "6"
    & skf21("1","4","6","7","6","4","3","1") = "6"
    & skf21("1","4","6","7","6","4","4","1") = "6"
    & skf21("1","4","6","7","6","4","5","1") = "6"
    & skf21("1","4","6","7","6","4","6","1") = "6"
    & skf21("1","4","6","7","6","4","7","1") = "6"
    & skf21("1","4","6","7","6","5","1","1") = "6"
    & skf21("1","4","6","7","6","5","2","1") = "6"
    & skf21("1","4","6","7","6","5","3","1") = "6"
    & skf21("1","4","6","7","6","5","4","1") = "6"
    & skf21("1","4","6","7","6","5","5","1") = "6"
    & skf21("1","4","6","7","6","5","6","1") = "6"
    & skf21("1","4","6","7","6","5","7","1") = "6"
    & skf21("1","4","6","7","6","6","1","1") = "6"
    & skf21("1","4","6","7","6","6","2","1") = "6"
    & skf21("1","4","6","7","6","6","3","1") = "6"
    & skf21("1","4","6","7","6","6","4","1") = "6"
    & skf21("1","4","6","7","6","6","5","1") = "6"
    & skf21("1","4","6","7","6","6","6","1") = "6"
    & skf21("1","4","6","7","6","6","7","1") = "6"
    & skf21("1","4","6","7","6","7","1","1") = "6"
    & skf21("1","4","6","7","6","7","2","1") = "6"
    & skf21("1","4","6","7","6","7","3","1") = "6"
    & skf21("1","4","6","7","6","7","4","1") = "6"
    & skf21("1","4","6","7","6","7","5","1") = "6"
    & skf21("1","4","6","7","6","7","6","1") = "6"
    & skf21("1","4","6","7","6","7","7","1") = "6"
    & skf21("1","4","6","7","7","1","1","1") = "6"
    & skf21("1","4","6","7","7","1","2","1") = "6"
    & skf21("1","4","6","7","7","1","3","1") = "6"
    & skf21("1","4","6","7","7","1","4","1") = "6"
    & skf21("1","4","6","7","7","1","5","1") = "6"
    & skf21("1","4","6","7","7","1","6","1") = "6"
    & skf21("1","4","6","7","7","1","7","1") = "6"
    & skf21("1","4","6","7","7","2","1","1") = "6"
    & skf21("1","4","6","7","7","2","2","1") = "6"
    & skf21("1","4","6","7","7","2","3","1") = "6"
    & skf21("1","4","6","7","7","2","4","1") = "6"
    & skf21("1","4","6","7","7","2","5","1") = "6"
    & skf21("1","4","6","7","7","2","6","1") = "6"
    & skf21("1","4","6","7","7","2","7","1") = "6"
    & skf21("1","4","6","7","7","3","1","1") = "6"
    & skf21("1","4","6","7","7","3","2","1") = "6"
    & skf21("1","4","6","7","7","3","3","1") = "6"
    & skf21("1","4","6","7","7","3","4","1") = "6"
    & skf21("1","4","6","7","7","3","5","1") = "6"
    & skf21("1","4","6","7","7","3","6","1") = "6"
    & skf21("1","4","6","7","7","3","7","1") = "6"
    & skf21("1","4","6","7","7","4","1","1") = "6"
    & skf21("1","4","6","7","7","4","2","1") = "6"
    & skf21("1","4","6","7","7","4","3","1") = "6"
    & skf21("1","4","6","7","7","4","4","1") = "6"
    & skf21("1","4","6","7","7","4","5","1") = "6"
    & skf21("1","4","6","7","7","4","6","1") = "6"
    & skf21("1","4","6","7","7","4","7","1") = "6"
    & skf21("1","4","6","7","7","5","1","1") = "6"
    & skf21("1","4","6","7","7","5","2","1") = "6"
    & skf21("1","4","6","7","7","5","3","1") = "6"
    & skf21("1","4","6","7","7","5","4","1") = "6"
    & skf21("1","4","6","7","7","5","5","1") = "6"
    & skf21("1","4","6","7","7","5","6","1") = "6"
    & skf21("1","4","6","7","7","5","7","1") = "6"
    & skf21("1","4","6","7","7","6","1","1") = "6"
    & skf21("1","4","6","7","7","6","2","1") = "6"
    & skf21("1","4","6","7","7","6","3","1") = "6"
    & skf21("1","4","6","7","7","6","4","1") = "6"
    & skf21("1","4","6","7","7","6","5","1") = "6"
    & skf21("1","4","6","7","7","6","6","1") = "6"
    & skf21("1","4","6","7","7","6","7","1") = "6"
    & skf21("1","4","6","7","7","7","1","1") = "6"
    & skf21("1","4","6","7","7","7","2","1") = "6"
    & skf21("1","4","6","7","7","7","3","1") = "6"
    & skf21("1","4","6","7","7","7","4","1") = "6"
    & skf21("1","4","6","7","7","7","5","1") = "6"
    & skf21("1","4","6","7","7","7","6","1") = "6"
    & skf21("1","4","6","7","7","7","7","1") = "6"
    & skf21("1","4","7","1","1","1","1","1") = "6"
    & skf21("1","4","7","1","1","1","2","1") = "6"
    & skf21("1","4","7","1","1","1","3","1") = "6"
    & skf21("1","4","7","1","1","1","4","1") = "6"
    & skf21("1","4","7","1","1","1","5","1") = "6"
    & skf21("1","4","7","1","1","1","6","1") = "6"
    & skf21("1","4","7","1","1","1","7","1") = "6"
    & skf21("1","4","7","1","1","2","1","1") = "6"
    & skf21("1","4","7","1","1","2","2","1") = "6"
    & skf21("1","4","7","1","1","2","3","1") = "6"
    & skf21("1","4","7","1","1","2","4","1") = "6"
    & skf21("1","4","7","1","1","2","5","1") = "6"
    & skf21("1","4","7","1","1","2","6","1") = "6"
    & skf21("1","4","7","1","1","2","7","1") = "6"
    & skf21("1","4","7","1","1","3","1","1") = "6"
    & skf21("1","4","7","1","1","3","2","1") = "6"
    & skf21("1","4","7","1","1","3","3","1") = "6"
    & skf21("1","4","7","1","1","3","4","1") = "6"
    & skf21("1","4","7","1","1","3","5","1") = "6"
    & skf21("1","4","7","1","1","3","6","1") = "6"
    & skf21("1","4","7","1","1","3","7","1") = "6"
    & skf21("1","4","7","1","1","4","1","1") = "6"
    & skf21("1","4","7","1","1","4","2","1") = "6"
    & skf21("1","4","7","1","1","4","3","1") = "6"
    & skf21("1","4","7","1","1","4","4","1") = "6"
    & skf21("1","4","7","1","1","4","5","1") = "6"
    & skf21("1","4","7","1","1","4","6","1") = "6"
    & skf21("1","4","7","1","1","4","7","1") = "6"
    & skf21("1","4","7","1","1","5","1","1") = "6"
    & skf21("1","4","7","1","1","5","2","1") = "6"
    & skf21("1","4","7","1","1","5","3","1") = "6"
    & skf21("1","4","7","1","1","5","4","1") = "6"
    & skf21("1","4","7","1","1","5","5","1") = "6"
    & skf21("1","4","7","1","1","5","6","1") = "6"
    & skf21("1","4","7","1","1","5","7","1") = "6"
    & skf21("1","4","7","1","1","6","1","1") = "6"
    & skf21("1","4","7","1","1","6","2","1") = "6"
    & skf21("1","4","7","1","1","6","3","1") = "6"
    & skf21("1","4","7","1","1","6","4","1") = "6"
    & skf21("1","4","7","1","1","6","5","1") = "6"
    & skf21("1","4","7","1","1","6","6","1") = "6"
    & skf21("1","4","7","1","1","6","7","1") = "6"
    & skf21("1","4","7","1","1","7","1","1") = "6"
    & skf21("1","4","7","1","1","7","2","1") = "6"
    & skf21("1","4","7","1","1","7","3","1") = "6"
    & skf21("1","4","7","1","1","7","4","1") = "6"
    & skf21("1","4","7","1","1","7","5","1") = "6"
    & skf21("1","4","7","1","1","7","6","1") = "6"
    & skf21("1","4","7","1","1","7","7","1") = "6"
    & skf21("1","4","7","1","2","1","1","1") = "6"
    & skf21("1","4","7","1","2","1","2","1") = "6"
    & skf21("1","4","7","1","2","1","3","1") = "6"
    & skf21("1","4","7","1","2","1","4","1") = "6"
    & skf21("1","4","7","1","2","1","5","1") = "6"
    & skf21("1","4","7","1","2","1","6","1") = "6"
    & skf21("1","4","7","1","2","1","7","1") = "6"
    & skf21("1","4","7","1","2","2","1","1") = "6"
    & skf21("1","4","7","1","2","2","2","1") = "6"
    & skf21("1","4","7","1","2","2","3","1") = "6"
    & skf21("1","4","7","1","2","2","4","1") = "6"
    & skf21("1","4","7","1","2","2","5","1") = "6"
    & skf21("1","4","7","1","2","2","6","1") = "6"
    & skf21("1","4","7","1","2","2","7","1") = "6"
    & skf21("1","4","7","1","2","3","1","1") = "6"
    & skf21("1","4","7","1","2","3","2","1") = "6"
    & skf21("1","4","7","1","2","3","3","1") = "6"
    & skf21("1","4","7","1","2","3","4","1") = "6"
    & skf21("1","4","7","1","2","3","5","1") = "6"
    & skf21("1","4","7","1","2","3","6","1") = "6"
    & skf21("1","4","7","1","2","3","7","1") = "6"
    & skf21("1","4","7","1","2","4","1","1") = "6"
    & skf21("1","4","7","1","2","4","2","1") = "6"
    & skf21("1","4","7","1","2","4","3","1") = "6"
    & skf21("1","4","7","1","2","4","4","1") = "6"
    & skf21("1","4","7","1","2","4","5","1") = "6"
    & skf21("1","4","7","1","2","4","6","1") = "6"
    & skf21("1","4","7","1","2","4","7","1") = "6"
    & skf21("1","4","7","1","2","5","1","1") = "6"
    & skf21("1","4","7","1","2","5","2","1") = "6"
    & skf21("1","4","7","1","2","5","3","1") = "6"
    & skf21("1","4","7","1","2","5","4","1") = "6"
    & skf21("1","4","7","1","2","5","5","1") = "6"
    & skf21("1","4","7","1","2","5","6","1") = "6"
    & skf21("1","4","7","1","2","5","7","1") = "6"
    & skf21("1","4","7","1","2","6","1","1") = "6"
    & skf21("1","4","7","1","2","6","2","1") = "6"
    & skf21("1","4","7","1","2","6","3","1") = "6"
    & skf21("1","4","7","1","2","6","4","1") = "6"
    & skf21("1","4","7","1","2","6","5","1") = "6"
    & skf21("1","4","7","1","2","6","6","1") = "6"
    & skf21("1","4","7","1","2","6","7","1") = "6"
    & skf21("1","4","7","1","2","7","1","1") = "6"
    & skf21("1","4","7","1","2","7","2","1") = "6"
    & skf21("1","4","7","1","2","7","3","1") = "6"
    & skf21("1","4","7","1","2","7","4","1") = "6"
    & skf21("1","4","7","1","2","7","5","1") = "6"
    & skf21("1","4","7","1","2","7","6","1") = "6"
    & skf21("1","4","7","1","2","7","7","1") = "6"
    & skf21("1","4","7","1","3","1","1","1") = "6"
    & skf21("1","4","7","1","3","1","2","1") = "6"
    & skf21("1","4","7","1","3","1","3","1") = "6"
    & skf21("1","4","7","1","3","1","4","1") = "6"
    & skf21("1","4","7","1","3","1","5","1") = "6"
    & skf21("1","4","7","1","3","1","6","1") = "6"
    & skf21("1","4","7","1","3","1","7","1") = "6"
    & skf21("1","4","7","1","3","2","1","1") = "6"
    & skf21("1","4","7","1","3","2","2","1") = "6"
    & skf21("1","4","7","1","3","2","3","1") = "6"
    & skf21("1","4","7","1","3","2","4","1") = "6"
    & skf21("1","4","7","1","3","2","5","1") = "6"
    & skf21("1","4","7","1","3","2","6","1") = "6"
    & skf21("1","4","7","1","3","2","7","1") = "6"
    & skf21("1","4","7","1","3","3","1","1") = "6"
    & skf21("1","4","7","1","3","3","2","1") = "6"
    & skf21("1","4","7","1","3","3","3","1") = "6"
    & skf21("1","4","7","1","3","3","4","1") = "6"
    & skf21("1","4","7","1","3","3","5","1") = "6"
    & skf21("1","4","7","1","3","3","6","1") = "6"
    & skf21("1","4","7","1","3","3","7","1") = "6"
    & skf21("1","4","7","1","3","4","1","1") = "6"
    & skf21("1","4","7","1","3","4","2","1") = "6"
    & skf21("1","4","7","1","3","4","3","1") = "6"
    & skf21("1","4","7","1","3","4","4","1") = "6"
    & skf21("1","4","7","1","3","4","5","1") = "6"
    & skf21("1","4","7","1","3","4","6","1") = "6"
    & skf21("1","4","7","1","3","4","7","1") = "6"
    & skf21("1","4","7","1","3","5","1","1") = "6"
    & skf21("1","4","7","1","3","5","2","1") = "6"
    & skf21("1","4","7","1","3","5","3","1") = "6"
    & skf21("1","4","7","1","3","5","4","1") = "6"
    & skf21("1","4","7","1","3","5","5","1") = "6"
    & skf21("1","4","7","1","3","5","6","1") = "6"
    & skf21("1","4","7","1","3","5","7","1") = "6"
    & skf21("1","4","7","1","3","6","1","1") = "6"
    & skf21("1","4","7","1","3","6","2","1") = "6"
    & skf21("1","4","7","1","3","6","3","1") = "6"
    & skf21("1","4","7","1","3","6","4","1") = "6"
    & skf21("1","4","7","1","3","6","5","1") = "6"
    & skf21("1","4","7","1","3","6","6","1") = "6"
    & skf21("1","4","7","1","3","6","7","1") = "6"
    & skf21("1","4","7","1","3","7","1","1") = "6"
    & skf21("1","4","7","1","3","7","2","1") = "6"
    & skf21("1","4","7","1","3","7","3","1") = "6"
    & skf21("1","4","7","1","3","7","4","1") = "6"
    & skf21("1","4","7","1","3","7","5","1") = "6"
    & skf21("1","4","7","1","3","7","6","1") = "6"
    & skf21("1","4","7","1","3","7","7","1") = "6"
    & skf21("1","4","7","1","4","1","1","1") = "6"
    & skf21("1","4","7","1","4","1","2","1") = "6"
    & skf21("1","4","7","1","4","1","3","1") = "6"
    & skf21("1","4","7","1","4","1","4","1") = "6"
    & skf21("1","4","7","1","4","1","5","1") = "6"
    & skf21("1","4","7","1","4","1","6","1") = "6"
    & skf21("1","4","7","1","4","1","7","1") = "6"
    & skf21("1","4","7","1","4","2","1","1") = "6"
    & skf21("1","4","7","1","4","2","2","1") = "6"
    & skf21("1","4","7","1","4","2","3","1") = "6"
    & skf21("1","4","7","1","4","2","4","1") = "6"
    & skf21("1","4","7","1","4","2","5","1") = "6"
    & skf21("1","4","7","1","4","2","6","1") = "6"
    & skf21("1","4","7","1","4","2","7","1") = "6"
    & skf21("1","4","7","1","4","3","1","1") = "6"
    & skf21("1","4","7","1","4","3","2","1") = "6"
    & skf21("1","4","7","1","4","3","3","1") = "6"
    & skf21("1","4","7","1","4","3","4","1") = "6"
    & skf21("1","4","7","1","4","3","5","1") = "6"
    & skf21("1","4","7","1","4","3","6","1") = "6"
    & skf21("1","4","7","1","4","3","7","1") = "6"
    & skf21("1","4","7","1","4","4","1","1") = "6"
    & skf21("1","4","7","1","4","4","2","1") = "6"
    & skf21("1","4","7","1","4","4","3","1") = "6"
    & skf21("1","4","7","1","4","4","4","1") = "6"
    & skf21("1","4","7","1","4","4","5","1") = "6"
    & skf21("1","4","7","1","4","4","6","1") = "6"
    & skf21("1","4","7","1","4","4","7","1") = "6"
    & skf21("1","4","7","1","4","5","1","1") = "6"
    & skf21("1","4","7","1","4","5","2","1") = "6"
    & skf21("1","4","7","1","4","5","3","1") = "6"
    & skf21("1","4","7","1","4","5","4","1") = "6"
    & skf21("1","4","7","1","4","5","5","1") = "6"
    & skf21("1","4","7","1","4","5","6","1") = "6"
    & skf21("1","4","7","1","4","5","7","1") = "6"
    & skf21("1","4","7","1","4","6","1","1") = "6"
    & skf21("1","4","7","1","4","6","2","1") = "6"
    & skf21("1","4","7","1","4","6","3","1") = "6"
    & skf21("1","4","7","1","4","6","4","1") = "6"
    & skf21("1","4","7","1","4","6","5","1") = "6"
    & skf21("1","4","7","1","4","6","6","1") = "6"
    & skf21("1","4","7","1","4","6","7","1") = "6"
    & skf21("1","4","7","1","4","7","1","1") = "6"
    & skf21("1","4","7","1","4","7","2","1") = "6"
    & skf21("1","4","7","1","4","7","3","1") = "6"
    & skf21("1","4","7","1","4","7","4","1") = "6"
    & skf21("1","4","7","1","4","7","5","1") = "6"
    & skf21("1","4","7","1","4","7","6","1") = "6"
    & skf21("1","4","7","1","4","7","7","1") = "6"
    & skf21("1","4","7","1","5","1","1","1") = "6"
    & skf21("1","4","7","1","5","1","2","1") = "6"
    & skf21("1","4","7","1","5","1","3","1") = "6"
    & skf21("1","4","7","1","5","1","4","1") = "6"
    & skf21("1","4","7","1","5","1","5","1") = "6"
    & skf21("1","4","7","1","5","1","6","1") = "6"
    & skf21("1","4","7","1","5","1","7","1") = "6"
    & skf21("1","4","7","1","5","2","1","1") = "6"
    & skf21("1","4","7","1","5","2","2","1") = "6"
    & skf21("1","4","7","1","5","2","3","1") = "6"
    & skf21("1","4","7","1","5","2","4","1") = "6"
    & skf21("1","4","7","1","5","2","5","1") = "6"
    & skf21("1","4","7","1","5","2","6","1") = "6"
    & skf21("1","4","7","1","5","2","7","1") = "6"
    & skf21("1","4","7","1","5","3","1","1") = "6"
    & skf21("1","4","7","1","5","3","2","1") = "6"
    & skf21("1","4","7","1","5","3","3","1") = "6"
    & skf21("1","4","7","1","5","3","4","1") = "6"
    & skf21("1","4","7","1","5","3","5","1") = "6"
    & skf21("1","4","7","1","5","3","6","1") = "6"
    & skf21("1","4","7","1","5","3","7","1") = "6"
    & skf21("1","4","7","1","5","4","1","1") = "6"
    & skf21("1","4","7","1","5","4","2","1") = "6"
    & skf21("1","4","7","1","5","4","3","1") = "6"
    & skf21("1","4","7","1","5","4","4","1") = "6"
    & skf21("1","4","7","1","5","4","5","1") = "6"
    & skf21("1","4","7","1","5","4","6","1") = "6"
    & skf21("1","4","7","1","5","4","7","1") = "6"
    & skf21("1","4","7","1","5","5","1","1") = "6"
    & skf21("1","4","7","1","5","5","2","1") = "6"
    & skf21("1","4","7","1","5","5","3","1") = "6"
    & skf21("1","4","7","1","5","5","4","1") = "6"
    & skf21("1","4","7","1","5","5","5","1") = "6"
    & skf21("1","4","7","1","5","5","6","1") = "6"
    & skf21("1","4","7","1","5","5","7","1") = "6"
    & skf21("1","4","7","1","5","6","1","1") = "6"
    & skf21("1","4","7","1","5","6","2","1") = "6"
    & skf21("1","4","7","1","5","6","3","1") = "6"
    & skf21("1","4","7","1","5","6","4","1") = "6"
    & skf21("1","4","7","1","5","6","5","1") = "6"
    & skf21("1","4","7","1","5","6","6","1") = "6"
    & skf21("1","4","7","1","5","6","7","1") = "6"
    & skf21("1","4","7","1","5","7","1","1") = "6"
    & skf21("1","4","7","1","5","7","2","1") = "6"
    & skf21("1","4","7","1","5","7","3","1") = "6"
    & skf21("1","4","7","1","5","7","4","1") = "6"
    & skf21("1","4","7","1","5","7","5","1") = "6"
    & skf21("1","4","7","1","5","7","6","1") = "6"
    & skf21("1","4","7","1","5","7","7","1") = "6"
    & skf21("1","4","7","1","6","1","1","1") = "6"
    & skf21("1","4","7","1","6","1","2","1") = "6"
    & skf21("1","4","7","1","6","1","3","1") = "6"
    & skf21("1","4","7","1","6","1","4","1") = "6"
    & skf21("1","4","7","1","6","1","5","1") = "6"
    & skf21("1","4","7","1","6","1","6","1") = "6"
    & skf21("1","4","7","1","6","1","7","1") = "6"
    & skf21("1","4","7","1","6","2","1","1") = "6"
    & skf21("1","4","7","1","6","2","2","1") = "6"
    & skf21("1","4","7","1","6","2","3","1") = "6"
    & skf21("1","4","7","1","6","2","4","1") = "6"
    & skf21("1","4","7","1","6","2","5","1") = "6"
    & skf21("1","4","7","1","6","2","6","1") = "6"
    & skf21("1","4","7","1","6","2","7","1") = "6"
    & skf21("1","4","7","1","6","3","1","1") = "6"
    & skf21("1","4","7","1","6","3","2","1") = "6"
    & skf21("1","4","7","1","6","3","3","1") = "6"
    & skf21("1","4","7","1","6","3","4","1") = "6"
    & skf21("1","4","7","1","6","3","5","1") = "6"
    & skf21("1","4","7","1","6","3","6","1") = "6"
    & skf21("1","4","7","1","6","3","7","1") = "6"
    & skf21("1","4","7","1","6","4","1","1") = "6"
    & skf21("1","4","7","1","6","4","2","1") = "6"
    & skf21("1","4","7","1","6","4","3","1") = "6"
    & skf21("1","4","7","1","6","4","4","1") = "6"
    & skf21("1","4","7","1","6","4","5","1") = "6"
    & skf21("1","4","7","1","6","4","6","1") = "6"
    & skf21("1","4","7","1","6","4","7","1") = "6"
    & skf21("1","4","7","1","6","5","1","1") = "6"
    & skf21("1","4","7","1","6","5","2","1") = "6"
    & skf21("1","4","7","1","6","5","3","1") = "6"
    & skf21("1","4","7","1","6","5","4","1") = "6"
    & skf21("1","4","7","1","6","5","5","1") = "6"
    & skf21("1","4","7","1","6","5","6","1") = "6"
    & skf21("1","4","7","1","6","5","7","1") = "6"
    & skf21("1","4","7","1","6","6","1","1") = "6"
    & skf21("1","4","7","1","6","6","2","1") = "6"
    & skf21("1","4","7","1","6","6","3","1") = "6"
    & skf21("1","4","7","1","6","6","4","1") = "6"
    & skf21("1","4","7","1","6","6","5","1") = "6"
    & skf21("1","4","7","1","6","6","6","1") = "6"
    & skf21("1","4","7","1","6","6","7","1") = "6"
    & skf21("1","4","7","1","6","7","1","1") = "6"
    & skf21("1","4","7","1","6","7","2","1") = "6"
    & skf21("1","4","7","1","6","7","3","1") = "6"
    & skf21("1","4","7","1","6","7","4","1") = "6"
    & skf21("1","4","7","1","6","7","5","1") = "6"
    & skf21("1","4","7","1","6","7","6","1") = "6"
    & skf21("1","4","7","1","6","7","7","1") = "6"
    & skf21("1","4","7","1","7","1","1","1") = "6"
    & skf21("1","4","7","1","7","1","2","1") = "6"
    & skf21("1","4","7","1","7","1","3","1") = "6"
    & skf21("1","4","7","1","7","1","4","1") = "6"
    & skf21("1","4","7","1","7","1","5","1") = "6"
    & skf21("1","4","7","1","7","1","6","1") = "6"
    & skf21("1","4","7","1","7","1","7","1") = "6"
    & skf21("1","4","7","1","7","2","1","1") = "6"
    & skf21("1","4","7","1","7","2","2","1") = "6"
    & skf21("1","4","7","1","7","2","3","1") = "6"
    & skf21("1","4","7","1","7","2","4","1") = "6"
    & skf21("1","4","7","1","7","2","5","1") = "6"
    & skf21("1","4","7","1","7","2","6","1") = "6"
    & skf21("1","4","7","1","7","2","7","1") = "6"
    & skf21("1","4","7","1","7","3","1","1") = "6"
    & skf21("1","4","7","1","7","3","2","1") = "6"
    & skf21("1","4","7","1","7","3","3","1") = "6"
    & skf21("1","4","7","1","7","3","4","1") = "6"
    & skf21("1","4","7","1","7","3","5","1") = "6"
    & skf21("1","4","7","1","7","3","6","1") = "6"
    & skf21("1","4","7","1","7","3","7","1") = "6"
    & skf21("1","4","7","1","7","4","1","1") = "6"
    & skf21("1","4","7","1","7","4","2","1") = "6"
    & skf21("1","4","7","1","7","4","3","1") = "6"
    & skf21("1","4","7","1","7","4","4","1") = "6"
    & skf21("1","4","7","1","7","4","5","1") = "6"
    & skf21("1","4","7","1","7","4","6","1") = "6"
    & skf21("1","4","7","1","7","4","7","1") = "6"
    & skf21("1","4","7","1","7","5","1","1") = "6"
    & skf21("1","4","7","1","7","5","2","1") = "6"
    & skf21("1","4","7","1","7","5","3","1") = "6"
    & skf21("1","4","7","1","7","5","4","1") = "6"
    & skf21("1","4","7","1","7","5","5","1") = "6"
    & skf21("1","4","7","1","7","5","6","1") = "6"
    & skf21("1","4","7","1","7","5","7","1") = "6"
    & skf21("1","4","7","1","7","6","1","1") = "6"
    & skf21("1","4","7","1","7","6","2","1") = "6"
    & skf21("1","4","7","1","7","6","3","1") = "6"
    & skf21("1","4","7","1","7","6","4","1") = "6"
    & skf21("1","4","7","1","7","6","5","1") = "6"
    & skf21("1","4","7","1","7","6","6","1") = "6"
    & skf21("1","4","7","1","7","6","7","1") = "6"
    & skf21("1","4","7","1","7","7","1","1") = "6"
    & skf21("1","4","7","1","7","7","2","1") = "6"
    & skf21("1","4","7","1","7","7","3","1") = "6"
    & skf21("1","4","7","1","7","7","4","1") = "6"
    & skf21("1","4","7","1","7","7","5","1") = "6"
    & skf21("1","4","7","1","7","7","6","1") = "6"
    & skf21("1","4","7","1","7","7","7","1") = "6"
    & skf21("1","4","7","2","1","1","1","1") = "6"
    & skf21("1","4","7","2","1","1","2","1") = "6"
    & skf21("1","4","7","2","1","1","3","1") = "6"
    & skf21("1","4","7","2","1","1","4","1") = "6"
    & skf21("1","4","7","2","1","1","5","1") = "6"
    & skf21("1","4","7","2","1","1","6","1") = "6"
    & skf21("1","4","7","2","1","1","7","1") = "6"
    & skf21("1","4","7","2","1","2","1","1") = "6"
    & skf21("1","4","7","2","1","2","2","1") = "6"
    & skf21("1","4","7","2","1","2","3","1") = "6"
    & skf21("1","4","7","2","1","2","4","1") = "6"
    & skf21("1","4","7","2","1","2","5","1") = "6"
    & skf21("1","4","7","2","1","2","6","1") = "6"
    & skf21("1","4","7","2","1","2","7","1") = "6"
    & skf21("1","4","7","2","1","3","1","1") = "6"
    & skf21("1","4","7","2","1","3","2","1") = "6"
    & skf21("1","4","7","2","1","3","3","1") = "6"
    & skf21("1","4","7","2","1","3","4","1") = "6"
    & skf21("1","4","7","2","1","3","5","1") = "6"
    & skf21("1","4","7","2","1","3","6","1") = "6"
    & skf21("1","4","7","2","1","3","7","1") = "6"
    & skf21("1","4","7","2","1","4","1","1") = "6"
    & skf21("1","4","7","2","1","4","2","1") = "6"
    & skf21("1","4","7","2","1","4","3","1") = "6"
    & skf21("1","4","7","2","1","4","4","1") = "6"
    & skf21("1","4","7","2","1","4","5","1") = "6"
    & skf21("1","4","7","2","1","4","6","1") = "6"
    & skf21("1","4","7","2","1","4","7","1") = "6"
    & skf21("1","4","7","2","1","5","1","1") = "6"
    & skf21("1","4","7","2","1","5","2","1") = "6"
    & skf21("1","4","7","2","1","5","3","1") = "6"
    & skf21("1","4","7","2","1","5","4","1") = "6"
    & skf21("1","4","7","2","1","5","5","1") = "6"
    & skf21("1","4","7","2","1","5","6","1") = "6"
    & skf21("1","4","7","2","1","5","7","1") = "6"
    & skf21("1","4","7","2","1","6","1","1") = "6"
    & skf21("1","4","7","2","1","6","2","1") = "6"
    & skf21("1","4","7","2","1","6","3","1") = "6"
    & skf21("1","4","7","2","1","6","4","1") = "6"
    & skf21("1","4","7","2","1","6","5","1") = "6"
    & skf21("1","4","7","2","1","6","6","1") = "6"
    & skf21("1","4","7","2","1","6","7","1") = "6"
    & skf21("1","4","7","2","1","7","1","1") = "6"
    & skf21("1","4","7","2","1","7","2","1") = "6"
    & skf21("1","4","7","2","1","7","3","1") = "6"
    & skf21("1","4","7","2","1","7","4","1") = "6"
    & skf21("1","4","7","2","1","7","5","1") = "6"
    & skf21("1","4","7","2","1","7","6","1") = "6"
    & skf21("1","4","7","2","1","7","7","1") = "6"
    & skf21("1","4","7","2","2","1","1","1") = "6"
    & skf21("1","4","7","2","2","1","2","1") = "6"
    & skf21("1","4","7","2","2","1","3","1") = "6"
    & skf21("1","4","7","2","2","1","4","1") = "6"
    & skf21("1","4","7","2","2","1","5","1") = "6"
    & skf21("1","4","7","2","2","1","6","1") = "6"
    & skf21("1","4","7","2","2","1","7","1") = "6"
    & skf21("1","4","7","2","2","2","1","1") = "6"
    & skf21("1","4","7","2","2","2","2","1") = "6"
    & skf21("1","4","7","2","2","2","3","1") = "6"
    & skf21("1","4","7","2","2","2","4","1") = "6"
    & skf21("1","4","7","2","2","2","5","1") = "6"
    & skf21("1","4","7","2","2","2","6","1") = "6"
    & skf21("1","4","7","2","2","2","7","1") = "6"
    & skf21("1","4","7","2","2","3","1","1") = "6"
    & skf21("1","4","7","2","2","3","2","1") = "6"
    & skf21("1","4","7","2","2","3","3","1") = "6"
    & skf21("1","4","7","2","2","3","4","1") = "6"
    & skf21("1","4","7","2","2","3","5","1") = "6"
    & skf21("1","4","7","2","2","3","6","1") = "6"
    & skf21("1","4","7","2","2","3","7","1") = "6"
    & skf21("1","4","7","2","2","4","1","1") = "6"
    & skf21("1","4","7","2","2","4","2","1") = "6"
    & skf21("1","4","7","2","2","4","3","1") = "6"
    & skf21("1","4","7","2","2","4","4","1") = "6"
    & skf21("1","4","7","2","2","4","5","1") = "6"
    & skf21("1","4","7","2","2","4","6","1") = "6"
    & skf21("1","4","7","2","2","4","7","1") = "6"
    & skf21("1","4","7","2","2","5","1","1") = "6"
    & skf21("1","4","7","2","2","5","2","1") = "6"
    & skf21("1","4","7","2","2","5","3","1") = "6"
    & skf21("1","4","7","2","2","5","4","1") = "6"
    & skf21("1","4","7","2","2","5","5","1") = "6"
    & skf21("1","4","7","2","2","5","6","1") = "6"
    & skf21("1","4","7","2","2","5","7","1") = "6"
    & skf21("1","4","7","2","2","6","1","1") = "6"
    & skf21("1","4","7","2","2","6","2","1") = "6"
    & skf21("1","4","7","2","2","6","3","1") = "6"
    & skf21("1","4","7","2","2","6","4","1") = "6"
    & skf21("1","4","7","2","2","6","5","1") = "6"
    & skf21("1","4","7","2","2","6","6","1") = "6"
    & skf21("1","4","7","2","2","6","7","1") = "6"
    & skf21("1","4","7","2","2","7","1","1") = "6"
    & skf21("1","4","7","2","2","7","2","1") = "6"
    & skf21("1","4","7","2","2","7","3","1") = "6"
    & skf21("1","4","7","2","2","7","4","1") = "6"
    & skf21("1","4","7","2","2","7","5","1") = "6"
    & skf21("1","4","7","2","2","7","6","1") = "6"
    & skf21("1","4","7","2","2","7","7","1") = "6"
    & skf21("1","4","7","2","3","1","1","1") = "6"
    & skf21("1","4","7","2","3","1","2","1") = "6"
    & skf21("1","4","7","2","3","1","3","1") = "6"
    & skf21("1","4","7","2","3","1","4","1") = "6"
    & skf21("1","4","7","2","3","1","5","1") = "6"
    & skf21("1","4","7","2","3","1","6","1") = "6"
    & skf21("1","4","7","2","3","1","7","1") = "6"
    & skf21("1","4","7","2","3","2","1","1") = "6"
    & skf21("1","4","7","2","3","2","2","1") = "6"
    & skf21("1","4","7","2","3","2","3","1") = "6"
    & skf21("1","4","7","2","3","2","4","1") = "6"
    & skf21("1","4","7","2","3","2","5","1") = "6"
    & skf21("1","4","7","2","3","2","6","1") = "6"
    & skf21("1","4","7","2","3","2","7","1") = "6"
    & skf21("1","4","7","2","3","3","1","1") = "6"
    & skf21("1","4","7","2","3","3","2","1") = "6"
    & skf21("1","4","7","2","3","3","3","1") = "6"
    & skf21("1","4","7","2","3","3","4","1") = "6"
    & skf21("1","4","7","2","3","3","5","1") = "6"
    & skf21("1","4","7","2","3","3","6","1") = "6"
    & skf21("1","4","7","2","3","3","7","1") = "6"
    & skf21("1","4","7","2","3","4","1","1") = "6"
    & skf21("1","4","7","2","3","4","2","1") = "6"
    & skf21("1","4","7","2","3","4","3","1") = "6"
    & skf21("1","4","7","2","3","4","4","1") = "6"
    & skf21("1","4","7","2","3","4","5","1") = "6"
    & skf21("1","4","7","2","3","4","6","1") = "6"
    & skf21("1","4","7","2","3","4","7","1") = "6"
    & skf21("1","4","7","2","3","5","1","1") = "6"
    & skf21("1","4","7","2","3","5","2","1") = "6"
    & skf21("1","4","7","2","3","5","3","1") = "6"
    & skf21("1","4","7","2","3","5","4","1") = "6"
    & skf21("1","4","7","2","3","5","5","1") = "6"
    & skf21("1","4","7","2","3","5","6","1") = "6"
    & skf21("1","4","7","2","3","5","7","1") = "6"
    & skf21("1","4","7","2","3","6","1","1") = "6"
    & skf21("1","4","7","2","3","6","2","1") = "6"
    & skf21("1","4","7","2","3","6","3","1") = "6"
    & skf21("1","4","7","2","3","6","4","1") = "6"
    & skf21("1","4","7","2","3","6","5","1") = "6"
    & skf21("1","4","7","2","3","6","6","1") = "6"
    & skf21("1","4","7","2","3","6","7","1") = "6"
    & skf21("1","4","7","2","3","7","1","1") = "6"
    & skf21("1","4","7","2","3","7","2","1") = "6"
    & skf21("1","4","7","2","3","7","3","1") = "6"
    & skf21("1","4","7","2","3","7","4","1") = "6"
    & skf21("1","4","7","2","3","7","5","1") = "6"
    & skf21("1","4","7","2","3","7","6","1") = "6"
    & skf21("1","4","7","2","3","7","7","1") = "6"
    & skf21("1","4","7","2","4","1","1","1") = "6"
    & skf21("1","4","7","2","4","1","2","1") = "6"
    & skf21("1","4","7","2","4","1","3","1") = "6"
    & skf21("1","4","7","2","4","1","4","1") = "6"
    & skf21("1","4","7","2","4","1","5","1") = "6"
    & skf21("1","4","7","2","4","1","6","1") = "6"
    & skf21("1","4","7","2","4","1","7","1") = "6"
    & skf21("1","4","7","2","4","2","1","1") = "6"
    & skf21("1","4","7","2","4","2","2","1") = "6"
    & skf21("1","4","7","2","4","2","3","1") = "6"
    & skf21("1","4","7","2","4","2","4","1") = "6"
    & skf21("1","4","7","2","4","2","5","1") = "6"
    & skf21("1","4","7","2","4","2","6","1") = "6"
    & skf21("1","4","7","2","4","2","7","1") = "6"
    & skf21("1","4","7","2","4","3","1","1") = "6"
    & skf21("1","4","7","2","4","3","2","1") = "6"
    & skf21("1","4","7","2","4","3","3","1") = "6"
    & skf21("1","4","7","2","4","3","4","1") = "6"
    & skf21("1","4","7","2","4","3","5","1") = "6"
    & skf21("1","4","7","2","4","3","6","1") = "6"
    & skf21("1","4","7","2","4","3","7","1") = "6"
    & skf21("1","4","7","2","4","4","1","1") = "6"
    & skf21("1","4","7","2","4","4","2","1") = "6"
    & skf21("1","4","7","2","4","4","3","1") = "6"
    & skf21("1","4","7","2","4","4","4","1") = "6"
    & skf21("1","4","7","2","4","4","5","1") = "6"
    & skf21("1","4","7","2","4","4","6","1") = "6"
    & skf21("1","4","7","2","4","4","7","1") = "6"
    & skf21("1","4","7","2","4","5","1","1") = "6"
    & skf21("1","4","7","2","4","5","2","1") = "6"
    & skf21("1","4","7","2","4","5","3","1") = "6"
    & skf21("1","4","7","2","4","5","4","1") = "6"
    & skf21("1","4","7","2","4","5","5","1") = "6"
    & skf21("1","4","7","2","4","5","6","1") = "6"
    & skf21("1","4","7","2","4","5","7","1") = "6"
    & skf21("1","4","7","2","4","6","1","1") = "6"
    & skf21("1","4","7","2","4","6","2","1") = "6"
    & skf21("1","4","7","2","4","6","3","1") = "6"
    & skf21("1","4","7","2","4","6","4","1") = "6"
    & skf21("1","4","7","2","4","6","5","1") = "6"
    & skf21("1","4","7","2","4","6","6","1") = "6"
    & skf21("1","4","7","2","4","6","7","1") = "6"
    & skf21("1","4","7","2","4","7","1","1") = "6"
    & skf21("1","4","7","2","4","7","2","1") = "6"
    & skf21("1","4","7","2","4","7","3","1") = "6"
    & skf21("1","4","7","2","4","7","4","1") = "6"
    & skf21("1","4","7","2","4","7","5","1") = "6"
    & skf21("1","4","7","2","4","7","6","1") = "6"
    & skf21("1","4","7","2","4","7","7","1") = "6"
    & skf21("1","4","7","2","5","1","1","1") = "6"
    & skf21("1","4","7","2","5","1","2","1") = "6"
    & skf21("1","4","7","2","5","1","3","1") = "6"
    & skf21("1","4","7","2","5","1","4","1") = "6"
    & skf21("1","4","7","2","5","1","5","1") = "6"
    & skf21("1","4","7","2","5","1","6","1") = "6"
    & skf21("1","4","7","2","5","1","7","1") = "6"
    & skf21("1","4","7","2","5","2","1","1") = "6"
    & skf21("1","4","7","2","5","2","2","1") = "6"
    & skf21("1","4","7","2","5","2","3","1") = "6"
    & skf21("1","4","7","2","5","2","4","1") = "6"
    & skf21("1","4","7","2","5","2","5","1") = "6"
    & skf21("1","4","7","2","5","2","6","1") = "6"
    & skf21("1","4","7","2","5","2","7","1") = "6"
    & skf21("1","4","7","2","5","3","1","1") = "6"
    & skf21("1","4","7","2","5","3","2","1") = "6"
    & skf21("1","4","7","2","5","3","3","1") = "6"
    & skf21("1","4","7","2","5","3","4","1") = "6"
    & skf21("1","4","7","2","5","3","5","1") = "6"
    & skf21("1","4","7","2","5","3","6","1") = "6"
    & skf21("1","4","7","2","5","3","7","1") = "6"
    & skf21("1","4","7","2","5","4","1","1") = "6"
    & skf21("1","4","7","2","5","4","2","1") = "6"
    & skf21("1","4","7","2","5","4","3","1") = "6"
    & skf21("1","4","7","2","5","4","4","1") = "6"
    & skf21("1","4","7","2","5","4","5","1") = "6"
    & skf21("1","4","7","2","5","4","6","1") = "6"
    & skf21("1","4","7","2","5","4","7","1") = "6"
    & skf21("1","4","7","2","5","5","1","1") = "6"
    & skf21("1","4","7","2","5","5","2","1") = "6"
    & skf21("1","4","7","2","5","5","3","1") = "6"
    & skf21("1","4","7","2","5","5","4","1") = "6"
    & skf21("1","4","7","2","5","5","5","1") = "6"
    & skf21("1","4","7","2","5","5","6","1") = "6"
    & skf21("1","4","7","2","5","5","7","1") = "6"
    & skf21("1","4","7","2","5","6","1","1") = "6"
    & skf21("1","4","7","2","5","6","2","1") = "6"
    & skf21("1","4","7","2","5","6","3","1") = "6"
    & skf21("1","4","7","2","5","6","4","1") = "6"
    & skf21("1","4","7","2","5","6","5","1") = "6"
    & skf21("1","4","7","2","5","6","6","1") = "6"
    & skf21("1","4","7","2","5","6","7","1") = "6"
    & skf21("1","4","7","2","5","7","1","1") = "6"
    & skf21("1","4","7","2","5","7","2","1") = "6"
    & skf21("1","4","7","2","5","7","3","1") = "6"
    & skf21("1","4","7","2","5","7","4","1") = "6"
    & skf21("1","4","7","2","5","7","5","1") = "6"
    & skf21("1","4","7","2","5","7","6","1") = "6"
    & skf21("1","4","7","2","5","7","7","1") = "6"
    & skf21("1","4","7","2","6","1","1","1") = "6"
    & skf21("1","4","7","2","6","1","2","1") = "6"
    & skf21("1","4","7","2","6","1","3","1") = "6"
    & skf21("1","4","7","2","6","1","4","1") = "6"
    & skf21("1","4","7","2","6","1","5","1") = "6"
    & skf21("1","4","7","2","6","1","6","1") = "6"
    & skf21("1","4","7","2","6","1","7","1") = "6"
    & skf21("1","4","7","2","6","2","1","1") = "6"
    & skf21("1","4","7","2","6","2","2","1") = "6"
    & skf21("1","4","7","2","6","2","3","1") = "6"
    & skf21("1","4","7","2","6","2","4","1") = "6"
    & skf21("1","4","7","2","6","2","5","1") = "6"
    & skf21("1","4","7","2","6","2","6","1") = "6"
    & skf21("1","4","7","2","6","2","7","1") = "6"
    & skf21("1","4","7","2","6","3","1","1") = "6"
    & skf21("1","4","7","2","6","3","2","1") = "6"
    & skf21("1","4","7","2","6","3","3","1") = "6"
    & skf21("1","4","7","2","6","3","4","1") = "6"
    & skf21("1","4","7","2","6","3","5","1") = "6"
    & skf21("1","4","7","2","6","3","6","1") = "6"
    & skf21("1","4","7","2","6","3","7","1") = "6"
    & skf21("1","4","7","2","6","4","1","1") = "6"
    & skf21("1","4","7","2","6","4","2","1") = "6"
    & skf21("1","4","7","2","6","4","3","1") = "6"
    & skf21("1","4","7","2","6","4","4","1") = "6"
    & skf21("1","4","7","2","6","4","5","1") = "6"
    & skf21("1","4","7","2","6","4","6","1") = "6"
    & skf21("1","4","7","2","6","4","7","1") = "6"
    & skf21("1","4","7","2","6","5","1","1") = "6"
    & skf21("1","4","7","2","6","5","2","1") = "6"
    & skf21("1","4","7","2","6","5","3","1") = "6"
    & skf21("1","4","7","2","6","5","4","1") = "6"
    & skf21("1","4","7","2","6","5","5","1") = "6"
    & skf21("1","4","7","2","6","5","6","1") = "6"
    & skf21("1","4","7","2","6","5","7","1") = "6"
    & skf21("1","4","7","2","6","6","1","1") = "6"
    & skf21("1","4","7","2","6","6","2","1") = "6"
    & skf21("1","4","7","2","6","6","3","1") = "6"
    & skf21("1","4","7","2","6","6","4","1") = "6"
    & skf21("1","4","7","2","6","6","5","1") = "6"
    & skf21("1","4","7","2","6","6","6","1") = "6"
    & skf21("1","4","7","2","6","6","7","1") = "6"
    & skf21("1","4","7","2","6","7","1","1") = "6"
    & skf21("1","4","7","2","6","7","2","1") = "6"
    & skf21("1","4","7","2","6","7","3","1") = "6"
    & skf21("1","4","7","2","6","7","4","1") = "6"
    & skf21("1","4","7","2","6","7","5","1") = "6"
    & skf21("1","4","7","2","6","7","6","1") = "6"
    & skf21("1","4","7","2","6","7","7","1") = "6"
    & skf21("1","4","7","2","7","1","1","1") = "6"
    & skf21("1","4","7","2","7","1","2","1") = "6"
    & skf21("1","4","7","2","7","1","3","1") = "6"
    & skf21("1","4","7","2","7","1","4","1") = "6"
    & skf21("1","4","7","2","7","1","5","1") = "6"
    & skf21("1","4","7","2","7","1","6","1") = "6"
    & skf21("1","4","7","2","7","1","7","1") = "6"
    & skf21("1","4","7","2","7","2","1","1") = "6"
    & skf21("1","4","7","2","7","2","2","1") = "6"
    & skf21("1","4","7","2","7","2","3","1") = "6"
    & skf21("1","4","7","2","7","2","4","1") = "6"
    & skf21("1","4","7","2","7","2","5","1") = "6"
    & skf21("1","4","7","2","7","2","6","1") = "6"
    & skf21("1","4","7","2","7","2","7","1") = "6"
    & skf21("1","4","7","2","7","3","1","1") = "6"
    & skf21("1","4","7","2","7","3","2","1") = "6"
    & skf21("1","4","7","2","7","3","3","1") = "6"
    & skf21("1","4","7","2","7","3","4","1") = "6"
    & skf21("1","4","7","2","7","3","5","1") = "6"
    & skf21("1","4","7","2","7","3","6","1") = "6"
    & skf21("1","4","7","2","7","3","7","1") = "6"
    & skf21("1","4","7","2","7","4","1","1") = "6"
    & skf21("1","4","7","2","7","4","2","1") = "6"
    & skf21("1","4","7","2","7","4","3","1") = "6"
    & skf21("1","4","7","2","7","4","4","1") = "6"
    & skf21("1","4","7","2","7","4","5","1") = "6"
    & skf21("1","4","7","2","7","4","6","1") = "6"
    & skf21("1","4","7","2","7","4","7","1") = "6"
    & skf21("1","4","7","2","7","5","1","1") = "6"
    & skf21("1","4","7","2","7","5","2","1") = "6"
    & skf21("1","4","7","2","7","5","3","1") = "6"
    & skf21("1","4","7","2","7","5","4","1") = "6"
    & skf21("1","4","7","2","7","5","5","1") = "6"
    & skf21("1","4","7","2","7","5","6","1") = "6"
    & skf21("1","4","7","2","7","5","7","1") = "6"
    & skf21("1","4","7","2","7","6","1","1") = "6"
    & skf21("1","4","7","2","7","6","2","1") = "6"
    & skf21("1","4","7","2","7","6","3","1") = "6"
    & skf21("1","4","7","2","7","6","4","1") = "6"
    & skf21("1","4","7","2","7","6","5","1") = "6"
    & skf21("1","4","7","2","7","6","6","1") = "6"
    & skf21("1","4","7","2","7","6","7","1") = "6"
    & skf21("1","4","7","2","7","7","1","1") = "6"
    & skf21("1","4","7","2","7","7","2","1") = "6"
    & skf21("1","4","7","2","7","7","3","1") = "6"
    & skf21("1","4","7","2","7","7","4","1") = "6"
    & skf21("1","4","7","2","7","7","5","1") = "6"
    & skf21("1","4","7","2","7","7","6","1") = "6"
    & skf21("1","4","7","2","7","7","7","1") = "6"
    & skf21("1","4","7","3","1","1","1","1") = "6"
    & skf21("1","4","7","3","1","1","2","1") = "6"
    & skf21("1","4","7","3","1","1","3","1") = "6"
    & skf21("1","4","7","3","1","1","4","1") = "6"
    & skf21("1","4","7","3","1","1","5","1") = "6"
    & skf21("1","4","7","3","1","1","6","1") = "6"
    & skf21("1","4","7","3","1","1","7","1") = "6"
    & skf21("1","4","7","3","1","2","1","1") = "6"
    & skf21("1","4","7","3","1","2","2","1") = "6"
    & skf21("1","4","7","3","1","2","3","1") = "6"
    & skf21("1","4","7","3","1","2","4","1") = "6"
    & skf21("1","4","7","3","1","2","5","1") = "6"
    & skf21("1","4","7","3","1","2","6","1") = "6"
    & skf21("1","4","7","3","1","2","7","1") = "6"
    & skf21("1","4","7","3","1","3","1","1") = "6"
    & skf21("1","4","7","3","1","3","2","1") = "6"
    & skf21("1","4","7","3","1","3","3","1") = "6"
    & skf21("1","4","7","3","1","3","4","1") = "6"
    & skf21("1","4","7","3","1","3","5","1") = "6"
    & skf21("1","4","7","3","1","3","6","1") = "6"
    & skf21("1","4","7","3","1","3","7","1") = "6"
    & skf21("1","4","7","3","1","4","1","1") = "6"
    & skf21("1","4","7","3","1","4","2","1") = "6"
    & skf21("1","4","7","3","1","4","3","1") = "6"
    & skf21("1","4","7","3","1","4","4","1") = "6"
    & skf21("1","4","7","3","1","4","5","1") = "6"
    & skf21("1","4","7","3","1","4","6","1") = "6"
    & skf21("1","4","7","3","1","4","7","1") = "6"
    & skf21("1","4","7","3","1","5","1","1") = "6"
    & skf21("1","4","7","3","1","5","2","1") = "6"
    & skf21("1","4","7","3","1","5","3","1") = "6"
    & skf21("1","4","7","3","1","5","4","1") = "6"
    & skf21("1","4","7","3","1","5","5","1") = "6"
    & skf21("1","4","7","3","1","5","6","1") = "6"
    & skf21("1","4","7","3","1","5","7","1") = "6"
    & skf21("1","4","7","3","1","6","1","1") = "6"
    & skf21("1","4","7","3","1","6","2","1") = "6"
    & skf21("1","4","7","3","1","6","3","1") = "6"
    & skf21("1","4","7","3","1","6","4","1") = "6"
    & skf21("1","4","7","3","1","6","5","1") = "6"
    & skf21("1","4","7","3","1","6","6","1") = "6"
    & skf21("1","4","7","3","1","6","7","1") = "6"
    & skf21("1","4","7","3","1","7","1","1") = "6"
    & skf21("1","4","7","3","1","7","2","1") = "6"
    & skf21("1","4","7","3","1","7","3","1") = "6"
    & skf21("1","4","7","3","1","7","4","1") = "6"
    & skf21("1","4","7","3","1","7","5","1") = "6"
    & skf21("1","4","7","3","1","7","6","1") = "6"
    & skf21("1","4","7","3","1","7","7","1") = "6"
    & skf21("1","4","7","3","2","1","1","1") = "6"
    & skf21("1","4","7","3","2","1","2","1") = "6"
    & skf21("1","4","7","3","2","1","3","1") = "6"
    & skf21("1","4","7","3","2","1","4","1") = "6"
    & skf21("1","4","7","3","2","1","5","1") = "6"
    & skf21("1","4","7","3","2","1","6","1") = "6"
    & skf21("1","4","7","3","2","1","7","1") = "6"
    & skf21("1","4","7","3","2","2","1","1") = "6"
    & skf21("1","4","7","3","2","2","2","1") = "6"
    & skf21("1","4","7","3","2","2","3","1") = "6"
    & skf21("1","4","7","3","2","2","4","1") = "6"
    & skf21("1","4","7","3","2","2","5","1") = "6"
    & skf21("1","4","7","3","2","2","6","1") = "6"
    & skf21("1","4","7","3","2","2","7","1") = "6"
    & skf21("1","4","7","3","2","3","1","1") = "6"
    & skf21("1","4","7","3","2","3","2","1") = "6"
    & skf21("1","4","7","3","2","3","3","1") = "6"
    & skf21("1","4","7","3","2","3","4","1") = "6"
    & skf21("1","4","7","3","2","3","5","1") = "6"
    & skf21("1","4","7","3","2","3","6","1") = "6"
    & skf21("1","4","7","3","2","3","7","1") = "6"
    & skf21("1","4","7","3","2","4","1","1") = "6"
    & skf21("1","4","7","3","2","4","2","1") = "6"
    & skf21("1","4","7","3","2","4","3","1") = "6"
    & skf21("1","4","7","3","2","4","4","1") = "6"
    & skf21("1","4","7","3","2","4","5","1") = "6"
    & skf21("1","4","7","3","2","4","6","1") = "6"
    & skf21("1","4","7","3","2","4","7","1") = "6"
    & skf21("1","4","7","3","2","5","1","1") = "6"
    & skf21("1","4","7","3","2","5","2","1") = "6"
    & skf21("1","4","7","3","2","5","3","1") = "6"
    & skf21("1","4","7","3","2","5","4","1") = "6"
    & skf21("1","4","7","3","2","5","5","1") = "6"
    & skf21("1","4","7","3","2","5","6","1") = "6"
    & skf21("1","4","7","3","2","5","7","1") = "6"
    & skf21("1","4","7","3","2","6","1","1") = "6"
    & skf21("1","4","7","3","2","6","2","1") = "6"
    & skf21("1","4","7","3","2","6","3","1") = "6"
    & skf21("1","4","7","3","2","6","4","1") = "6"
    & skf21("1","4","7","3","2","6","5","1") = "6"
    & skf21("1","4","7","3","2","6","6","1") = "6"
    & skf21("1","4","7","3","2","6","7","1") = "6"
    & skf21("1","4","7","3","2","7","1","1") = "6"
    & skf21("1","4","7","3","2","7","2","1") = "6"
    & skf21("1","4","7","3","2","7","3","1") = "6"
    & skf21("1","4","7","3","2","7","4","1") = "6"
    & skf21("1","4","7","3","2","7","5","1") = "6"
    & skf21("1","4","7","3","2","7","6","1") = "6"
    & skf21("1","4","7","3","2","7","7","1") = "6"
    & skf21("1","4","7","3","3","1","1","1") = "6"
    & skf21("1","4","7","3","3","1","2","1") = "6"
    & skf21("1","4","7","3","3","1","3","1") = "6"
    & skf21("1","4","7","3","3","1","4","1") = "6"
    & skf21("1","4","7","3","3","1","5","1") = "6"
    & skf21("1","4","7","3","3","1","6","1") = "6"
    & skf21("1","4","7","3","3","1","7","1") = "6"
    & skf21("1","4","7","3","3","2","1","1") = "6"
    & skf21("1","4","7","3","3","2","2","1") = "6"
    & skf21("1","4","7","3","3","2","3","1") = "6"
    & skf21("1","4","7","3","3","2","4","1") = "6"
    & skf21("1","4","7","3","3","2","5","1") = "6"
    & skf21("1","4","7","3","3","2","6","1") = "6"
    & skf21("1","4","7","3","3","2","7","1") = "6"
    & skf21("1","4","7","3","3","3","1","1") = "6"
    & skf21("1","4","7","3","3","3","2","1") = "6"
    & skf21("1","4","7","3","3","3","3","1") = "6"
    & skf21("1","4","7","3","3","3","4","1") = "6"
    & skf21("1","4","7","3","3","3","5","1") = "6"
    & skf21("1","4","7","3","3","3","6","1") = "6"
    & skf21("1","4","7","3","3","3","7","1") = "6"
    & skf21("1","4","7","3","3","4","1","1") = "6"
    & skf21("1","4","7","3","3","4","2","1") = "6"
    & skf21("1","4","7","3","3","4","3","1") = "6"
    & skf21("1","4","7","3","3","4","4","1") = "6"
    & skf21("1","4","7","3","3","4","5","1") = "6"
    & skf21("1","4","7","3","3","4","6","1") = "6"
    & skf21("1","4","7","3","3","4","7","1") = "6"
    & skf21("1","4","7","3","3","5","1","1") = "6"
    & skf21("1","4","7","3","3","5","2","1") = "6"
    & skf21("1","4","7","3","3","5","3","1") = "6"
    & skf21("1","4","7","3","3","5","4","1") = "6"
    & skf21("1","4","7","3","3","5","5","1") = "6"
    & skf21("1","4","7","3","3","5","6","1") = "6"
    & skf21("1","4","7","3","3","5","7","1") = "6"
    & skf21("1","4","7","3","3","6","1","1") = "6"
    & skf21("1","4","7","3","3","6","2","1") = "6"
    & skf21("1","4","7","3","3","6","3","1") = "6"
    & skf21("1","4","7","3","3","6","4","1") = "6"
    & skf21("1","4","7","3","3","6","5","1") = "6"
    & skf21("1","4","7","3","3","6","6","1") = "6"
    & skf21("1","4","7","3","3","6","7","1") = "6"
    & skf21("1","4","7","3","3","7","1","1") = "6"
    & skf21("1","4","7","3","3","7","2","1") = "6"
    & skf21("1","4","7","3","3","7","3","1") = "6"
    & skf21("1","4","7","3","3","7","4","1") = "6"
    & skf21("1","4","7","3","3","7","5","1") = "6"
    & skf21("1","4","7","3","3","7","6","1") = "6"
    & skf21("1","4","7","3","3","7","7","1") = "6"
    & skf21("1","4","7","3","4","1","1","1") = "6"
    & skf21("1","4","7","3","4","1","2","1") = "6"
    & skf21("1","4","7","3","4","1","3","1") = "6"
    & skf21("1","4","7","3","4","1","4","1") = "6"
    & skf21("1","4","7","3","4","1","5","1") = "6"
    & skf21("1","4","7","3","4","1","6","1") = "6"
    & skf21("1","4","7","3","4","1","7","1") = "6"
    & skf21("1","4","7","3","4","2","1","1") = "6"
    & skf21("1","4","7","3","4","2","2","1") = "6"
    & skf21("1","4","7","3","4","2","3","1") = "6"
    & skf21("1","4","7","3","4","2","4","1") = "6"
    & skf21("1","4","7","3","4","2","5","1") = "6"
    & skf21("1","4","7","3","4","2","6","1") = "6"
    & skf21("1","4","7","3","4","2","7","1") = "6"
    & skf21("1","4","7","3","4","3","1","1") = "6"
    & skf21("1","4","7","3","4","3","2","1") = "6"
    & skf21("1","4","7","3","4","3","3","1") = "6"
    & skf21("1","4","7","3","4","3","4","1") = "6"
    & skf21("1","4","7","3","4","3","5","1") = "6"
    & skf21("1","4","7","3","4","3","6","1") = "6"
    & skf21("1","4","7","3","4","3","7","1") = "6"
    & skf21("1","4","7","3","4","4","1","1") = "6"
    & skf21("1","4","7","3","4","4","2","1") = "6"
    & skf21("1","4","7","3","4","4","3","1") = "6"
    & skf21("1","4","7","3","4","4","4","1") = "6"
    & skf21("1","4","7","3","4","4","5","1") = "6"
    & skf21("1","4","7","3","4","4","6","1") = "6"
    & skf21("1","4","7","3","4","4","7","1") = "6"
    & skf21("1","4","7","3","4","5","1","1") = "6"
    & skf21("1","4","7","3","4","5","2","1") = "6"
    & skf21("1","4","7","3","4","5","3","1") = "6"
    & skf21("1","4","7","3","4","5","4","1") = "6"
    & skf21("1","4","7","3","4","5","5","1") = "6"
    & skf21("1","4","7","3","4","5","6","1") = "6"
    & skf21("1","4","7","3","4","5","7","1") = "6"
    & skf21("1","4","7","3","4","6","1","1") = "6"
    & skf21("1","4","7","3","4","6","2","1") = "6"
    & skf21("1","4","7","3","4","6","3","1") = "6"
    & skf21("1","4","7","3","4","6","4","1") = "6"
    & skf21("1","4","7","3","4","6","5","1") = "6"
    & skf21("1","4","7","3","4","6","6","1") = "6"
    & skf21("1","4","7","3","4","6","7","1") = "6"
    & skf21("1","4","7","3","4","7","1","1") = "6"
    & skf21("1","4","7","3","4","7","2","1") = "6"
    & skf21("1","4","7","3","4","7","3","1") = "6"
    & skf21("1","4","7","3","4","7","4","1") = "6"
    & skf21("1","4","7","3","4","7","5","1") = "6"
    & skf21("1","4","7","3","4","7","6","1") = "6"
    & skf21("1","4","7","3","4","7","7","1") = "6"
    & skf21("1","4","7","3","5","1","1","1") = "6"
    & skf21("1","4","7","3","5","1","2","1") = "6"
    & skf21("1","4","7","3","5","1","3","1") = "6"
    & skf21("1","4","7","3","5","1","4","1") = "6"
    & skf21("1","4","7","3","5","1","5","1") = "6"
    & skf21("1","4","7","3","5","1","6","1") = "6"
    & skf21("1","4","7","3","5","1","7","1") = "6"
    & skf21("1","4","7","3","5","2","1","1") = "6"
    & skf21("1","4","7","3","5","2","2","1") = "6"
    & skf21("1","4","7","3","5","2","3","1") = "6"
    & skf21("1","4","7","3","5","2","4","1") = "6"
    & skf21("1","4","7","3","5","2","5","1") = "6"
    & skf21("1","4","7","3","5","2","6","1") = "6"
    & skf21("1","4","7","3","5","2","7","1") = "6"
    & skf21("1","4","7","3","5","3","1","1") = "6"
    & skf21("1","4","7","3","5","3","2","1") = "6"
    & skf21("1","4","7","3","5","3","3","1") = "6"
    & skf21("1","4","7","3","5","3","4","1") = "6"
    & skf21("1","4","7","3","5","3","5","1") = "6"
    & skf21("1","4","7","3","5","3","6","1") = "6"
    & skf21("1","4","7","3","5","3","7","1") = "6"
    & skf21("1","4","7","3","5","4","1","1") = "6"
    & skf21("1","4","7","3","5","4","2","1") = "6"
    & skf21("1","4","7","3","5","4","3","1") = "6"
    & skf21("1","4","7","3","5","4","4","1") = "6"
    & skf21("1","4","7","3","5","4","5","1") = "6"
    & skf21("1","4","7","3","5","4","6","1") = "6"
    & skf21("1","4","7","3","5","4","7","1") = "6"
    & skf21("1","4","7","3","5","5","1","1") = "6"
    & skf21("1","4","7","3","5","5","2","1") = "6"
    & skf21("1","4","7","3","5","5","3","1") = "6"
    & skf21("1","4","7","3","5","5","4","1") = "6"
    & skf21("1","4","7","3","5","5","5","1") = "6"
    & skf21("1","4","7","3","5","5","6","1") = "6"
    & skf21("1","4","7","3","5","5","7","1") = "6"
    & skf21("1","4","7","3","5","6","1","1") = "6"
    & skf21("1","4","7","3","5","6","2","1") = "6"
    & skf21("1","4","7","3","5","6","3","1") = "6"
    & skf21("1","4","7","3","5","6","4","1") = "6"
    & skf21("1","4","7","3","5","6","5","1") = "6"
    & skf21("1","4","7","3","5","6","6","1") = "6"
    & skf21("1","4","7","3","5","6","7","1") = "6"
    & skf21("1","4","7","3","5","7","1","1") = "6"
    & skf21("1","4","7","3","5","7","2","1") = "6"
    & skf21("1","4","7","3","5","7","3","1") = "6"
    & skf21("1","4","7","3","5","7","4","1") = "6"
    & skf21("1","4","7","3","5","7","5","1") = "6"
    & skf21("1","4","7","3","5","7","6","1") = "6"
    & skf21("1","4","7","3","5","7","7","1") = "6"
    & skf21("1","4","7","3","6","1","1","1") = "6"
    & skf21("1","4","7","3","6","1","2","1") = "6"
    & skf21("1","4","7","3","6","1","3","1") = "6"
    & skf21("1","4","7","3","6","1","4","1") = "6"
    & skf21("1","4","7","3","6","1","5","1") = "6"
    & skf21("1","4","7","3","6","1","6","1") = "6"
    & skf21("1","4","7","3","6","1","7","1") = "6"
    & skf21("1","4","7","3","6","2","1","1") = "6"
    & skf21("1","4","7","3","6","2","2","1") = "6"
    & skf21("1","4","7","3","6","2","3","1") = "6"
    & skf21("1","4","7","3","6","2","4","1") = "6"
    & skf21("1","4","7","3","6","2","5","1") = "6"
    & skf21("1","4","7","3","6","2","6","1") = "6"
    & skf21("1","4","7","3","6","2","7","1") = "6"
    & skf21("1","4","7","3","6","3","1","1") = "6"
    & skf21("1","4","7","3","6","3","2","1") = "6"
    & skf21("1","4","7","3","6","3","3","1") = "6"
    & skf21("1","4","7","3","6","3","4","1") = "6"
    & skf21("1","4","7","3","6","3","5","1") = "6"
    & skf21("1","4","7","3","6","3","6","1") = "6"
    & skf21("1","4","7","3","6","3","7","1") = "6"
    & skf21("1","4","7","3","6","4","1","1") = "6"
    & skf21("1","4","7","3","6","4","2","1") = "6"
    & skf21("1","4","7","3","6","4","3","1") = "6"
    & skf21("1","4","7","3","6","4","4","1") = "6"
    & skf21("1","4","7","3","6","4","5","1") = "6"
    & skf21("1","4","7","3","6","4","6","1") = "6"
    & skf21("1","4","7","3","6","4","7","1") = "6"
    & skf21("1","4","7","3","6","5","1","1") = "6"
    & skf21("1","4","7","3","6","5","2","1") = "6"
    & skf21("1","4","7","3","6","5","3","1") = "6"
    & skf21("1","4","7","3","6","5","4","1") = "6"
    & skf21("1","4","7","3","6","5","5","1") = "6"
    & skf21("1","4","7","3","6","5","6","1") = "6"
    & skf21("1","4","7","3","6","5","7","1") = "6"
    & skf21("1","4","7","3","6","6","1","1") = "6"
    & skf21("1","4","7","3","6","6","2","1") = "6"
    & skf21("1","4","7","3","6","6","3","1") = "6"
    & skf21("1","4","7","3","6","6","4","1") = "6"
    & skf21("1","4","7","3","6","6","5","1") = "6"
    & skf21("1","4","7","3","6","6","6","1") = "6"
    & skf21("1","4","7","3","6","6","7","1") = "6"
    & skf21("1","4","7","3","6","7","1","1") = "6"
    & skf21("1","4","7","3","6","7","2","1") = "6"
    & skf21("1","4","7","3","6","7","3","1") = "6"
    & skf21("1","4","7","3","6","7","4","1") = "6"
    & skf21("1","4","7","3","6","7","5","1") = "6"
    & skf21("1","4","7","3","6","7","6","1") = "6"
    & skf21("1","4","7","3","6","7","7","1") = "6"
    & skf21("1","4","7","3","7","1","1","1") = "6"
    & skf21("1","4","7","3","7","1","2","1") = "6"
    & skf21("1","4","7","3","7","1","3","1") = "6"
    & skf21("1","4","7","3","7","1","4","1") = "6"
    & skf21("1","4","7","3","7","1","5","1") = "6"
    & skf21("1","4","7","3","7","1","6","1") = "6"
    & skf21("1","4","7","3","7","1","7","1") = "6"
    & skf21("1","4","7","3","7","2","1","1") = "6"
    & skf21("1","4","7","3","7","2","2","1") = "6"
    & skf21("1","4","7","3","7","2","3","1") = "6"
    & skf21("1","4","7","3","7","2","4","1") = "6"
    & skf21("1","4","7","3","7","2","5","1") = "6"
    & skf21("1","4","7","3","7","2","6","1") = "6"
    & skf21("1","4","7","3","7","2","7","1") = "6"
    & skf21("1","4","7","3","7","3","1","1") = "6"
    & skf21("1","4","7","3","7","3","2","1") = "6"
    & skf21("1","4","7","3","7","3","3","1") = "6"
    & skf21("1","4","7","3","7","3","4","1") = "6"
    & skf21("1","4","7","3","7","3","5","1") = "6"
    & skf21("1","4","7","3","7","3","6","1") = "6"
    & skf21("1","4","7","3","7","3","7","1") = "6"
    & skf21("1","4","7","3","7","4","1","1") = "6"
    & skf21("1","4","7","3","7","4","2","1") = "6"
    & skf21("1","4","7","3","7","4","3","1") = "6"
    & skf21("1","4","7","3","7","4","4","1") = "6"
    & skf21("1","4","7","3","7","4","5","1") = "6"
    & skf21("1","4","7","3","7","4","6","1") = "6"
    & skf21("1","4","7","3","7","4","7","1") = "6"
    & skf21("1","4","7","3","7","5","1","1") = "6"
    & skf21("1","4","7","3","7","5","2","1") = "6"
    & skf21("1","4","7","3","7","5","3","1") = "6"
    & skf21("1","4","7","3","7","5","4","1") = "6"
    & skf21("1","4","7","3","7","5","5","1") = "6"
    & skf21("1","4","7","3","7","5","6","1") = "6"
    & skf21("1","4","7","3","7","5","7","1") = "6"
    & skf21("1","4","7","3","7","6","1","1") = "6"
    & skf21("1","4","7","3","7","6","2","1") = "6"
    & skf21("1","4","7","3","7","6","3","1") = "6"
    & skf21("1","4","7","3","7","6","4","1") = "6"
    & skf21("1","4","7","3","7","6","5","1") = "6"
    & skf21("1","4","7","3","7","6","6","1") = "6"
    & skf21("1","4","7","3","7","6","7","1") = "6"
    & skf21("1","4","7","3","7","7","1","1") = "6"
    & skf21("1","4","7","3","7","7","2","1") = "6"
    & skf21("1","4","7","3","7","7","3","1") = "6"
    & skf21("1","4","7","3","7","7","4","1") = "6"
    & skf21("1","4","7","3","7","7","5","1") = "6"
    & skf21("1","4","7","3","7","7","6","1") = "6"
    & skf21("1","4","7","3","7","7","7","1") = "6"
    & skf21("1","4","7","4","1","1","1","1") = "6"
    & skf21("1","4","7","4","1","1","2","1") = "6"
    & skf21("1","4","7","4","1","1","3","1") = "6"
    & skf21("1","4","7","4","1","1","4","1") = "6"
    & skf21("1","4","7","4","1","1","5","1") = "6"
    & skf21("1","4","7","4","1","1","6","1") = "6"
    & skf21("1","4","7","4","1","1","7","1") = "6"
    & skf21("1","4","7","4","1","2","1","1") = "6"
    & skf21("1","4","7","4","1","2","2","1") = "6"
    & skf21("1","4","7","4","1","2","3","1") = "6"
    & skf21("1","4","7","4","1","2","4","1") = "6"
    & skf21("1","4","7","4","1","2","5","1") = "6"
    & skf21("1","4","7","4","1","2","6","1") = "6"
    & skf21("1","4","7","4","1","2","7","1") = "6"
    & skf21("1","4","7","4","1","3","1","1") = "6"
    & skf21("1","4","7","4","1","3","2","1") = "6"
    & skf21("1","4","7","4","1","3","3","1") = "6"
    & skf21("1","4","7","4","1","3","4","1") = "6"
    & skf21("1","4","7","4","1","3","5","1") = "6"
    & skf21("1","4","7","4","1","3","6","1") = "6"
    & skf21("1","4","7","4","1","3","7","1") = "6"
    & skf21("1","4","7","4","1","4","1","1") = "6"
    & skf21("1","4","7","4","1","4","2","1") = "6"
    & skf21("1","4","7","4","1","4","3","1") = "6"
    & skf21("1","4","7","4","1","4","4","1") = "6"
    & skf21("1","4","7","4","1","4","5","1") = "6"
    & skf21("1","4","7","4","1","4","6","1") = "6"
    & skf21("1","4","7","4","1","4","7","1") = "6"
    & skf21("1","4","7","4","1","5","1","1") = "6"
    & skf21("1","4","7","4","1","5","2","1") = "6"
    & skf21("1","4","7","4","1","5","3","1") = "6"
    & skf21("1","4","7","4","1","5","4","1") = "6"
    & skf21("1","4","7","4","1","5","5","1") = "6"
    & skf21("1","4","7","4","1","5","6","1") = "6"
    & skf21("1","4","7","4","1","5","7","1") = "6"
    & skf21("1","4","7","4","1","6","1","1") = "6"
    & skf21("1","4","7","4","1","6","2","1") = "6"
    & skf21("1","4","7","4","1","6","3","1") = "6"
    & skf21("1","4","7","4","1","6","4","1") = "6"
    & skf21("1","4","7","4","1","6","5","1") = "6"
    & skf21("1","4","7","4","1","6","6","1") = "6"
    & skf21("1","4","7","4","1","6","7","1") = "6"
    & skf21("1","4","7","4","1","7","1","1") = "6"
    & skf21("1","4","7","4","1","7","2","1") = "6"
    & skf21("1","4","7","4","1","7","3","1") = "6"
    & skf21("1","4","7","4","1","7","4","1") = "6"
    & skf21("1","4","7","4","1","7","5","1") = "6"
    & skf21("1","4","7","4","1","7","6","1") = "6"
    & skf21("1","4","7","4","1","7","7","1") = "6"
    & skf21("1","4","7","4","2","1","1","1") = "6"
    & skf21("1","4","7","4","2","1","2","1") = "6"
    & skf21("1","4","7","4","2","1","3","1") = "6"
    & skf21("1","4","7","4","2","1","4","1") = "6"
    & skf21("1","4","7","4","2","1","5","1") = "6"
    & skf21("1","4","7","4","2","1","6","1") = "6"
    & skf21("1","4","7","4","2","1","7","1") = "6"
    & skf21("1","4","7","4","2","2","1","1") = "6"
    & skf21("1","4","7","4","2","2","2","1") = "6"
    & skf21("1","4","7","4","2","2","3","1") = "6"
    & skf21("1","4","7","4","2","2","4","1") = "6"
    & skf21("1","4","7","4","2","2","5","1") = "6"
    & skf21("1","4","7","4","2","2","6","1") = "6"
    & skf21("1","4","7","4","2","2","7","1") = "6"
    & skf21("1","4","7","4","2","3","1","1") = "6"
    & skf21("1","4","7","4","2","3","2","1") = "6"
    & skf21("1","4","7","4","2","3","3","1") = "6"
    & skf21("1","4","7","4","2","3","4","1") = "6"
    & skf21("1","4","7","4","2","3","5","1") = "6"
    & skf21("1","4","7","4","2","3","6","1") = "6"
    & skf21("1","4","7","4","2","3","7","1") = "6"
    & skf21("1","4","7","4","2","4","1","1") = "6"
    & skf21("1","4","7","4","2","4","2","1") = "6"
    & skf21("1","4","7","4","2","4","3","1") = "6"
    & skf21("1","4","7","4","2","4","4","1") = "6"
    & skf21("1","4","7","4","2","4","5","1") = "6"
    & skf21("1","4","7","4","2","4","6","1") = "6"
    & skf21("1","4","7","4","2","4","7","1") = "6"
    & skf21("1","4","7","4","2","5","1","1") = "6"
    & skf21("1","4","7","4","2","5","2","1") = "6"
    & skf21("1","4","7","4","2","5","3","1") = "6"
    & skf21("1","4","7","4","2","5","4","1") = "6"
    & skf21("1","4","7","4","2","5","5","1") = "6"
    & skf21("1","4","7","4","2","5","6","1") = "6"
    & skf21("1","4","7","4","2","5","7","1") = "6"
    & skf21("1","4","7","4","2","6","1","1") = "6"
    & skf21("1","4","7","4","2","6","2","1") = "6"
    & skf21("1","4","7","4","2","6","3","1") = "6"
    & skf21("1","4","7","4","2","6","4","1") = "6"
    & skf21("1","4","7","4","2","6","5","1") = "6"
    & skf21("1","4","7","4","2","6","6","1") = "6"
    & skf21("1","4","7","4","2","6","7","1") = "6"
    & skf21("1","4","7","4","2","7","1","1") = "6"
    & skf21("1","4","7","4","2","7","2","1") = "6"
    & skf21("1","4","7","4","2","7","3","1") = "6"
    & skf21("1","4","7","4","2","7","4","1") = "6"
    & skf21("1","4","7","4","2","7","5","1") = "6"
    & skf21("1","4","7","4","2","7","6","1") = "6"
    & skf21("1","4","7","4","2","7","7","1") = "6"
    & skf21("1","4","7","4","3","1","1","1") = "6"
    & skf21("1","4","7","4","3","1","2","1") = "6"
    & skf21("1","4","7","4","3","1","3","1") = "6"
    & skf21("1","4","7","4","3","1","4","1") = "6"
    & skf21("1","4","7","4","3","1","5","1") = "6"
    & skf21("1","4","7","4","3","1","6","1") = "6"
    & skf21("1","4","7","4","3","1","7","1") = "6"
    & skf21("1","4","7","4","3","2","1","1") = "6"
    & skf21("1","4","7","4","3","2","2","1") = "6"
    & skf21("1","4","7","4","3","2","3","1") = "6"
    & skf21("1","4","7","4","3","2","4","1") = "6"
    & skf21("1","4","7","4","3","2","5","1") = "6"
    & skf21("1","4","7","4","3","2","6","1") = "6"
    & skf21("1","4","7","4","3","2","7","1") = "6"
    & skf21("1","4","7","4","3","3","1","1") = "6"
    & skf21("1","4","7","4","3","3","2","1") = "6"
    & skf21("1","4","7","4","3","3","3","1") = "6"
    & skf21("1","4","7","4","3","3","4","1") = "6"
    & skf21("1","4","7","4","3","3","5","1") = "6"
    & skf21("1","4","7","4","3","3","6","1") = "6"
    & skf21("1","4","7","4","3","3","7","1") = "6"
    & skf21("1","4","7","4","3","4","1","1") = "6"
    & skf21("1","4","7","4","3","4","2","1") = "6"
    & skf21("1","4","7","4","3","4","3","1") = "6"
    & skf21("1","4","7","4","3","4","4","1") = "6"
    & skf21("1","4","7","4","3","4","5","1") = "6"
    & skf21("1","4","7","4","3","4","6","1") = "6"
    & skf21("1","4","7","4","3","4","7","1") = "6"
    & skf21("1","4","7","4","3","5","1","1") = "6"
    & skf21("1","4","7","4","3","5","2","1") = "6"
    & skf21("1","4","7","4","3","5","3","1") = "6"
    & skf21("1","4","7","4","3","5","4","1") = "6"
    & skf21("1","4","7","4","3","5","5","1") = "6"
    & skf21("1","4","7","4","3","5","6","1") = "6"
    & skf21("1","4","7","4","3","5","7","1") = "6"
    & skf21("1","4","7","4","3","6","1","1") = "6"
    & skf21("1","4","7","4","3","6","2","1") = "6"
    & skf21("1","4","7","4","3","6","3","1") = "6"
    & skf21("1","4","7","4","3","6","4","1") = "6"
    & skf21("1","4","7","4","3","6","5","1") = "6"
    & skf21("1","4","7","4","3","6","6","1") = "6"
    & skf21("1","4","7","4","3","6","7","1") = "6"
    & skf21("1","4","7","4","3","7","1","1") = "6"
    & skf21("1","4","7","4","3","7","2","1") = "6"
    & skf21("1","4","7","4","3","7","3","1") = "6"
    & skf21("1","4","7","4","3","7","4","1") = "6"
    & skf21("1","4","7","4","3","7","5","1") = "6"
    & skf21("1","4","7","4","3","7","6","1") = "6"
    & skf21("1","4","7","4","3","7","7","1") = "6"
    & skf21("1","4","7","4","4","1","1","1") = "6"
    & skf21("1","4","7","4","4","1","2","1") = "6"
    & skf21("1","4","7","4","4","1","3","1") = "6"
    & skf21("1","4","7","4","4","1","4","1") = "6"
    & skf21("1","4","7","4","4","1","5","1") = "6"
    & skf21("1","4","7","4","4","1","6","1") = "6"
    & skf21("1","4","7","4","4","1","7","1") = "6"
    & skf21("1","4","7","4","4","2","1","1") = "6"
    & skf21("1","4","7","4","4","2","2","1") = "6"
    & skf21("1","4","7","4","4","2","3","1") = "6"
    & skf21("1","4","7","4","4","2","4","1") = "6"
    & skf21("1","4","7","4","4","2","5","1") = "6"
    & skf21("1","4","7","4","4","2","6","1") = "6"
    & skf21("1","4","7","4","4","2","7","1") = "6"
    & skf21("1","4","7","4","4","3","1","1") = "6"
    & skf21("1","4","7","4","4","3","2","1") = "6"
    & skf21("1","4","7","4","4","3","3","1") = "6"
    & skf21("1","4","7","4","4","3","4","1") = "6"
    & skf21("1","4","7","4","4","3","5","1") = "6"
    & skf21("1","4","7","4","4","3","6","1") = "6"
    & skf21("1","4","7","4","4","3","7","1") = "6"
    & skf21("1","4","7","4","4","4","1","1") = "6"
    & skf21("1","4","7","4","4","4","2","1") = "6"
    & skf21("1","4","7","4","4","4","3","1") = "6"
    & skf21("1","4","7","4","4","4","4","1") = "6"
    & skf21("1","4","7","4","4","4","5","1") = "6"
    & skf21("1","4","7","4","4","4","6","1") = "6"
    & skf21("1","4","7","4","4","4","7","1") = "6"
    & skf21("1","4","7","4","4","5","1","1") = "6"
    & skf21("1","4","7","4","4","5","2","1") = "6"
    & skf21("1","4","7","4","4","5","3","1") = "6"
    & skf21("1","4","7","4","4","5","4","1") = "6"
    & skf21("1","4","7","4","4","5","5","1") = "6"
    & skf21("1","4","7","4","4","5","6","1") = "6"
    & skf21("1","4","7","4","4","5","7","1") = "6"
    & skf21("1","4","7","4","4","6","1","1") = "6"
    & skf21("1","4","7","4","4","6","2","1") = "6"
    & skf21("1","4","7","4","4","6","3","1") = "6"
    & skf21("1","4","7","4","4","6","4","1") = "6"
    & skf21("1","4","7","4","4","6","5","1") = "6"
    & skf21("1","4","7","4","4","6","6","1") = "6"
    & skf21("1","4","7","4","4","6","7","1") = "6"
    & skf21("1","4","7","4","4","7","1","1") = "6"
    & skf21("1","4","7","4","4","7","2","1") = "6"
    & skf21("1","4","7","4","4","7","3","1") = "6"
    & skf21("1","4","7","4","4","7","4","1") = "6"
    & skf21("1","4","7","4","4","7","5","1") = "6"
    & skf21("1","4","7","4","4","7","6","1") = "6"
    & skf21("1","4","7","4","4","7","7","1") = "6"
    & skf21("1","4","7","4","5","1","1","1") = "6"
    & skf21("1","4","7","4","5","1","2","1") = "6"
    & skf21("1","4","7","4","5","1","3","1") = "6"
    & skf21("1","4","7","4","5","1","4","1") = "6"
    & skf21("1","4","7","4","5","1","5","1") = "6"
    & skf21("1","4","7","4","5","1","6","1") = "6"
    & skf21("1","4","7","4","5","1","7","1") = "6"
    & skf21("1","4","7","4","5","2","1","1") = "6"
    & skf21("1","4","7","4","5","2","2","1") = "6"
    & skf21("1","4","7","4","5","2","3","1") = "6"
    & skf21("1","4","7","4","5","2","4","1") = "6"
    & skf21("1","4","7","4","5","2","5","1") = "6"
    & skf21("1","4","7","4","5","2","6","1") = "6"
    & skf21("1","4","7","4","5","2","7","1") = "6"
    & skf21("1","4","7","4","5","3","1","1") = "6"
    & skf21("1","4","7","4","5","3","2","1") = "6"
    & skf21("1","4","7","4","5","3","3","1") = "6"
    & skf21("1","4","7","4","5","3","4","1") = "6"
    & skf21("1","4","7","4","5","3","5","1") = "6"
    & skf21("1","4","7","4","5","3","6","1") = "6"
    & skf21("1","4","7","4","5","3","7","1") = "6"
    & skf21("1","4","7","4","5","4","1","1") = "6"
    & skf21("1","4","7","4","5","4","2","1") = "6"
    & skf21("1","4","7","4","5","4","3","1") = "6"
    & skf21("1","4","7","4","5","4","4","1") = "6"
    & skf21("1","4","7","4","5","4","5","1") = "6"
    & skf21("1","4","7","4","5","4","6","1") = "6"
    & skf21("1","4","7","4","5","4","7","1") = "6"
    & skf21("1","4","7","4","5","5","1","1") = "6"
    & skf21("1","4","7","4","5","5","2","1") = "6"
    & skf21("1","4","7","4","5","5","3","1") = "6"
    & skf21("1","4","7","4","5","5","4","1") = "6"
    & skf21("1","4","7","4","5","5","5","1") = "6"
    & skf21("1","4","7","4","5","5","6","1") = "6"
    & skf21("1","4","7","4","5","5","7","1") = "6"
    & skf21("1","4","7","4","5","6","1","1") = "6"
    & skf21("1","4","7","4","5","6","2","1") = "6"
    & skf21("1","4","7","4","5","6","3","1") = "6"
    & skf21("1","4","7","4","5","6","4","1") = "6"
    & skf21("1","4","7","4","5","6","5","1") = "6"
    & skf21("1","4","7","4","5","6","6","1") = "6"
    & skf21("1","4","7","4","5","6","7","1") = "6"
    & skf21("1","4","7","4","5","7","1","1") = "6"
    & skf21("1","4","7","4","5","7","2","1") = "6"
    & skf21("1","4","7","4","5","7","3","1") = "6"
    & skf21("1","4","7","4","5","7","4","1") = "6"
    & skf21("1","4","7","4","5","7","5","1") = "6"
    & skf21("1","4","7","4","5","7","6","1") = "6"
    & skf21("1","4","7","4","5","7","7","1") = "6"
    & skf21("1","4","7","4","6","1","1","1") = "6"
    & skf21("1","4","7","4","6","1","2","1") = "6"
    & skf21("1","4","7","4","6","1","3","1") = "6"
    & skf21("1","4","7","4","6","1","4","1") = "6"
    & skf21("1","4","7","4","6","1","5","1") = "6"
    & skf21("1","4","7","4","6","1","6","1") = "6"
    & skf21("1","4","7","4","6","1","7","1") = "6"
    & skf21("1","4","7","4","6","2","1","1") = "6"
    & skf21("1","4","7","4","6","2","2","1") = "6"
    & skf21("1","4","7","4","6","2","3","1") = "6"
    & skf21("1","4","7","4","6","2","4","1") = "6"
    & skf21("1","4","7","4","6","2","5","1") = "6"
    & skf21("1","4","7","4","6","2","6","1") = "6"
    & skf21("1","4","7","4","6","2","7","1") = "6"
    & skf21("1","4","7","4","6","3","1","1") = "6"
    & skf21("1","4","7","4","6","3","2","1") = "6"
    & skf21("1","4","7","4","6","3","3","1") = "6"
    & skf21("1","4","7","4","6","3","4","1") = "6"
    & skf21("1","4","7","4","6","3","5","1") = "6"
    & skf21("1","4","7","4","6","3","6","1") = "6"
    & skf21("1","4","7","4","6","3","7","1") = "6"
    & skf21("1","4","7","4","6","4","1","1") = "6"
    & skf21("1","4","7","4","6","4","2","1") = "6"
    & skf21("1","4","7","4","6","4","3","1") = "6"
    & skf21("1","4","7","4","6","4","4","1") = "6"
    & skf21("1","4","7","4","6","4","5","1") = "6"
    & skf21("1","4","7","4","6","4","6","1") = "6"
    & skf21("1","4","7","4","6","4","7","1") = "6"
    & skf21("1","4","7","4","6","5","1","1") = "6"
    & skf21("1","4","7","4","6","5","2","1") = "6"
    & skf21("1","4","7","4","6","5","3","1") = "6"
    & skf21("1","4","7","4","6","5","4","1") = "6"
    & skf21("1","4","7","4","6","5","5","1") = "6"
    & skf21("1","4","7","4","6","5","6","1") = "6"
    & skf21("1","4","7","4","6","5","7","1") = "6"
    & skf21("1","4","7","4","6","6","1","1") = "6"
    & skf21("1","4","7","4","6","6","2","1") = "6"
    & skf21("1","4","7","4","6","6","3","1") = "6"
    & skf21("1","4","7","4","6","6","4","1") = "6"
    & skf21("1","4","7","4","6","6","5","1") = "6"
    & skf21("1","4","7","4","6","6","6","1") = "6"
    & skf21("1","4","7","4","6","6","7","1") = "6"
    & skf21("1","4","7","4","6","7","1","1") = "6"
    & skf21("1","4","7","4","6","7","2","1") = "6"
    & skf21("1","4","7","4","6","7","3","1") = "6"
    & skf21("1","4","7","4","6","7","4","1") = "6"
    & skf21("1","4","7","4","6","7","5","1") = "6"
    & skf21("1","4","7","4","6","7","6","1") = "6"
    & skf21("1","4","7","4","6","7","7","1") = "6"
    & skf21("1","4","7","4","7","1","1","1") = "6"
    & skf21("1","4","7","4","7","1","2","1") = "6"
    & skf21("1","4","7","4","7","1","3","1") = "6"
    & skf21("1","4","7","4","7","1","4","1") = "6"
    & skf21("1","4","7","4","7","1","5","1") = "6"
    & skf21("1","4","7","4","7","1","6","1") = "6"
    & skf21("1","4","7","4","7","1","7","1") = "6"
    & skf21("1","4","7","4","7","2","1","1") = "6"
    & skf21("1","4","7","4","7","2","2","1") = "6"
    & skf21("1","4","7","4","7","2","3","1") = "6"
    & skf21("1","4","7","4","7","2","4","1") = "6"
    & skf21("1","4","7","4","7","2","5","1") = "6"
    & skf21("1","4","7","4","7","2","6","1") = "6"
    & skf21("1","4","7","4","7","2","7","1") = "6"
    & skf21("1","4","7","4","7","3","1","1") = "6"
    & skf21("1","4","7","4","7","3","2","1") = "6"
    & skf21("1","4","7","4","7","3","3","1") = "6"
    & skf21("1","4","7","4","7","3","4","1") = "6"
    & skf21("1","4","7","4","7","3","5","1") = "6"
    & skf21("1","4","7","4","7","3","6","1") = "6"
    & skf21("1","4","7","4","7","3","7","1") = "6"
    & skf21("1","4","7","4","7","4","1","1") = "6"
    & skf21("1","4","7","4","7","4","2","1") = "6"
    & skf21("1","4","7","4","7","4","3","1") = "6"
    & skf21("1","4","7","4","7","4","4","1") = "6"
    & skf21("1","4","7","4","7","4","5","1") = "6"
    & skf21("1","4","7","4","7","4","6","1") = "6"
    & skf21("1","4","7","4","7","4","7","1") = "6"
    & skf21("1","4","7","4","7","5","1","1") = "6"
    & skf21("1","4","7","4","7","5","2","1") = "6"
    & skf21("1","4","7","4","7","5","3","1") = "6"
    & skf21("1","4","7","4","7","5","4","1") = "6"
    & skf21("1","4","7","4","7","5","5","1") = "6"
    & skf21("1","4","7","4","7","5","6","1") = "6"
    & skf21("1","4","7","4","7","5","7","1") = "6"
    & skf21("1","4","7","4","7","6","1","1") = "6"
    & skf21("1","4","7","4","7","6","2","1") = "6"
    & skf21("1","4","7","4","7","6","3","1") = "6"
    & skf21("1","4","7","4","7","6","4","1") = "6"
    & skf21("1","4","7","4","7","6","5","1") = "6"
    & skf21("1","4","7","4","7","6","6","1") = "6"
    & skf21("1","4","7","4","7","6","7","1") = "6"
    & skf21("1","4","7","4","7","7","1","1") = "6"
    & skf21("1","4","7","4","7","7","2","1") = "6"
    & skf21("1","4","7","4","7","7","3","1") = "6"
    & skf21("1","4","7","4","7","7","4","1") = "6"
    & skf21("1","4","7","4","7","7","5","1") = "6"
    & skf21("1","4","7","4","7","7","6","1") = "6"
    & skf21("1","4","7","4","7","7","7","1") = "6"
    & skf21("1","4","7","5","1","1","1","1") = "6"
    & skf21("1","4","7","5","1","1","2","1") = "6"
    & skf21("1","4","7","5","1","1","3","1") = "6"
    & skf21("1","4","7","5","1","1","4","1") = "6"
    & skf21("1","4","7","5","1","1","5","1") = "6"
    & skf21("1","4","7","5","1","1","6","1") = "6"
    & skf21("1","4","7","5","1","1","7","1") = "6"
    & skf21("1","4","7","5","1","2","1","1") = "6"
    & skf21("1","4","7","5","1","2","2","1") = "6"
    & skf21("1","4","7","5","1","2","3","1") = "6"
    & skf21("1","4","7","5","1","2","4","1") = "6"
    & skf21("1","4","7","5","1","2","5","1") = "6"
    & skf21("1","4","7","5","1","2","6","1") = "6"
    & skf21("1","4","7","5","1","2","7","1") = "6"
    & skf21("1","4","7","5","1","3","1","1") = "6"
    & skf21("1","4","7","5","1","3","2","1") = "6"
    & skf21("1","4","7","5","1","3","3","1") = "6"
    & skf21("1","4","7","5","1","3","4","1") = "6"
    & skf21("1","4","7","5","1","3","5","1") = "6"
    & skf21("1","4","7","5","1","3","6","1") = "6"
    & skf21("1","4","7","5","1","3","7","1") = "6"
    & skf21("1","4","7","5","1","4","1","1") = "6"
    & skf21("1","4","7","5","1","4","2","1") = "6"
    & skf21("1","4","7","5","1","4","3","1") = "6"
    & skf21("1","4","7","5","1","4","4","1") = "6"
    & skf21("1","4","7","5","1","4","5","1") = "6"
    & skf21("1","4","7","5","1","4","6","1") = "6"
    & skf21("1","4","7","5","1","4","7","1") = "6"
    & skf21("1","4","7","5","1","5","1","1") = "6"
    & skf21("1","4","7","5","1","5","2","1") = "6"
    & skf21("1","4","7","5","1","5","3","1") = "6"
    & skf21("1","4","7","5","1","5","4","1") = "6"
    & skf21("1","4","7","5","1","5","5","1") = "6"
    & skf21("1","4","7","5","1","5","6","1") = "6"
    & skf21("1","4","7","5","1","5","7","1") = "6"
    & skf21("1","4","7","5","1","6","1","1") = "6"
    & skf21("1","4","7","5","1","6","2","1") = "6"
    & skf21("1","4","7","5","1","6","3","1") = "6"
    & skf21("1","4","7","5","1","6","4","1") = "6"
    & skf21("1","4","7","5","1","6","5","1") = "6"
    & skf21("1","4","7","5","1","6","6","1") = "6"
    & skf21("1","4","7","5","1","6","7","1") = "6"
    & skf21("1","4","7","5","1","7","1","1") = "6"
    & skf21("1","4","7","5","1","7","2","1") = "6"
    & skf21("1","4","7","5","1","7","3","1") = "6"
    & skf21("1","4","7","5","1","7","4","1") = "6"
    & skf21("1","4","7","5","1","7","5","1") = "6"
    & skf21("1","4","7","5","1","7","6","1") = "6"
    & skf21("1","4","7","5","1","7","7","1") = "6"
    & skf21("1","4","7","5","2","1","1","1") = "6"
    & skf21("1","4","7","5","2","1","2","1") = "6"
    & skf21("1","4","7","5","2","1","3","1") = "6"
    & skf21("1","4","7","5","2","1","4","1") = "6"
    & skf21("1","4","7","5","2","1","5","1") = "6"
    & skf21("1","4","7","5","2","1","6","1") = "6"
    & skf21("1","4","7","5","2","1","7","1") = "6"
    & skf21("1","4","7","5","2","2","1","1") = "6"
    & skf21("1","4","7","5","2","2","2","1") = "6"
    & skf21("1","4","7","5","2","2","3","1") = "6"
    & skf21("1","4","7","5","2","2","4","1") = "6"
    & skf21("1","4","7","5","2","2","5","1") = "6"
    & skf21("1","4","7","5","2","2","6","1") = "6"
    & skf21("1","4","7","5","2","2","7","1") = "6"
    & skf21("1","4","7","5","2","3","1","1") = "6"
    & skf21("1","4","7","5","2","3","2","1") = "6"
    & skf21("1","4","7","5","2","3","3","1") = "6"
    & skf21("1","4","7","5","2","3","4","1") = "6"
    & skf21("1","4","7","5","2","3","5","1") = "6"
    & skf21("1","4","7","5","2","3","6","1") = "6"
    & skf21("1","4","7","5","2","3","7","1") = "6"
    & skf21("1","4","7","5","2","4","1","1") = "6"
    & skf21("1","4","7","5","2","4","2","1") = "6"
    & skf21("1","4","7","5","2","4","3","1") = "6"
    & skf21("1","4","7","5","2","4","4","1") = "6"
    & skf21("1","4","7","5","2","4","5","1") = "6"
    & skf21("1","4","7","5","2","4","6","1") = "6"
    & skf21("1","4","7","5","2","4","7","1") = "6"
    & skf21("1","4","7","5","2","5","1","1") = "6"
    & skf21("1","4","7","5","2","5","2","1") = "6"
    & skf21("1","4","7","5","2","5","3","1") = "6"
    & skf21("1","4","7","5","2","5","4","1") = "6"
    & skf21("1","4","7","5","2","5","5","1") = "6"
    & skf21("1","4","7","5","2","5","6","1") = "6"
    & skf21("1","4","7","5","2","5","7","1") = "6"
    & skf21("1","4","7","5","2","6","1","1") = "6"
    & skf21("1","4","7","5","2","6","2","1") = "6"
    & skf21("1","4","7","5","2","6","3","1") = "6"
    & skf21("1","4","7","5","2","6","4","1") = "6"
    & skf21("1","4","7","5","2","6","5","1") = "6"
    & skf21("1","4","7","5","2","6","6","1") = "6"
    & skf21("1","4","7","5","2","6","7","1") = "6"
    & skf21("1","4","7","5","2","7","1","1") = "6"
    & skf21("1","4","7","5","2","7","2","1") = "6"
    & skf21("1","4","7","5","2","7","3","1") = "6"
    & skf21("1","4","7","5","2","7","4","1") = "6"
    & skf21("1","4","7","5","2","7","5","1") = "6"
    & skf21("1","4","7","5","2","7","6","1") = "6"
    & skf21("1","4","7","5","2","7","7","1") = "6"
    & skf21("1","4","7","5","3","1","1","1") = "6"
    & skf21("1","4","7","5","3","1","2","1") = "6"
    & skf21("1","4","7","5","3","1","3","1") = "6"
    & skf21("1","4","7","5","3","1","4","1") = "6"
    & skf21("1","4","7","5","3","1","5","1") = "6"
    & skf21("1","4","7","5","3","1","6","1") = "6"
    & skf21("1","4","7","5","3","1","7","1") = "6"
    & skf21("1","4","7","5","3","2","1","1") = "6"
    & skf21("1","4","7","5","3","2","2","1") = "6"
    & skf21("1","4","7","5","3","2","3","1") = "6"
    & skf21("1","4","7","5","3","2","4","1") = "6"
    & skf21("1","4","7","5","3","2","5","1") = "6"
    & skf21("1","4","7","5","3","2","6","1") = "6"
    & skf21("1","4","7","5","3","2","7","1") = "6"
    & skf21("1","4","7","5","3","3","1","1") = "6"
    & skf21("1","4","7","5","3","3","2","1") = "6"
    & skf21("1","4","7","5","3","3","3","1") = "6"
    & skf21("1","4","7","5","3","3","4","1") = "6"
    & skf21("1","4","7","5","3","3","5","1") = "6"
    & skf21("1","4","7","5","3","3","6","1") = "6"
    & skf21("1","4","7","5","3","3","7","1") = "6"
    & skf21("1","4","7","5","3","4","1","1") = "6"
    & skf21("1","4","7","5","3","4","2","1") = "6"
    & skf21("1","4","7","5","3","4","3","1") = "6"
    & skf21("1","4","7","5","3","4","4","1") = "6"
    & skf21("1","4","7","5","3","4","5","1") = "6"
    & skf21("1","4","7","5","3","4","6","1") = "6"
    & skf21("1","4","7","5","3","4","7","1") = "6"
    & skf21("1","4","7","5","3","5","1","1") = "6"
    & skf21("1","4","7","5","3","5","2","1") = "6"
    & skf21("1","4","7","5","3","5","3","1") = "6"
    & skf21("1","4","7","5","3","5","4","1") = "6"
    & skf21("1","4","7","5","3","5","5","1") = "6"
    & skf21("1","4","7","5","3","5","6","1") = "6"
    & skf21("1","4","7","5","3","5","7","1") = "6"
    & skf21("1","4","7","5","3","6","1","1") = "6"
    & skf21("1","4","7","5","3","6","2","1") = "6"
    & skf21("1","4","7","5","3","6","3","1") = "6"
    & skf21("1","4","7","5","3","6","4","1") = "6"
    & skf21("1","4","7","5","3","6","5","1") = "6"
    & skf21("1","4","7","5","3","6","6","1") = "6"
    & skf21("1","4","7","5","3","6","7","1") = "6"
    & skf21("1","4","7","5","3","7","1","1") = "6"
    & skf21("1","4","7","5","3","7","2","1") = "6"
    & skf21("1","4","7","5","3","7","3","1") = "6"
    & skf21("1","4","7","5","3","7","4","1") = "6"
    & skf21("1","4","7","5","3","7","5","1") = "6"
    & skf21("1","4","7","5","3","7","6","1") = "6"
    & skf21("1","4","7","5","3","7","7","1") = "6"
    & skf21("1","4","7","5","4","1","1","1") = "6"
    & skf21("1","4","7","5","4","1","2","1") = "6"
    & skf21("1","4","7","5","4","1","3","1") = "6"
    & skf21("1","4","7","5","4","1","4","1") = "6"
    & skf21("1","4","7","5","4","1","5","1") = "6"
    & skf21("1","4","7","5","4","1","6","1") = "6"
    & skf21("1","4","7","5","4","1","7","1") = "6"
    & skf21("1","4","7","5","4","2","1","1") = "6"
    & skf21("1","4","7","5","4","2","2","1") = "6"
    & skf21("1","4","7","5","4","2","3","1") = "6"
    & skf21("1","4","7","5","4","2","4","1") = "6"
    & skf21("1","4","7","5","4","2","5","1") = "6"
    & skf21("1","4","7","5","4","2","6","1") = "6"
    & skf21("1","4","7","5","4","2","7","1") = "6"
    & skf21("1","4","7","5","4","3","1","1") = "6"
    & skf21("1","4","7","5","4","3","2","1") = "6"
    & skf21("1","4","7","5","4","3","3","1") = "6"
    & skf21("1","4","7","5","4","3","4","1") = "6"
    & skf21("1","4","7","5","4","3","5","1") = "6"
    & skf21("1","4","7","5","4","3","6","1") = "6"
    & skf21("1","4","7","5","4","3","7","1") = "6"
    & skf21("1","4","7","5","4","4","1","1") = "6"
    & skf21("1","4","7","5","4","4","2","1") = "6"
    & skf21("1","4","7","5","4","4","3","1") = "6"
    & skf21("1","4","7","5","4","4","4","1") = "6"
    & skf21("1","4","7","5","4","4","5","1") = "6"
    & skf21("1","4","7","5","4","4","6","1") = "6"
    & skf21("1","4","7","5","4","4","7","1") = "6"
    & skf21("1","4","7","5","4","5","1","1") = "6"
    & skf21("1","4","7","5","4","5","2","1") = "6"
    & skf21("1","4","7","5","4","5","3","1") = "6"
    & skf21("1","4","7","5","4","5","4","1") = "6"
    & skf21("1","4","7","5","4","5","5","1") = "6"
    & skf21("1","4","7","5","4","5","6","1") = "6"
    & skf21("1","4","7","5","4","5","7","1") = "6"
    & skf21("1","4","7","5","4","6","1","1") = "6"
    & skf21("1","4","7","5","4","6","2","1") = "6"
    & skf21("1","4","7","5","4","6","3","1") = "6"
    & skf21("1","4","7","5","4","6","4","1") = "6"
    & skf21("1","4","7","5","4","6","5","1") = "6"
    & skf21("1","4","7","5","4","6","6","1") = "6"
    & skf21("1","4","7","5","4","6","7","1") = "6"
    & skf21("1","4","7","5","4","7","1","1") = "6"
    & skf21("1","4","7","5","4","7","2","1") = "6"
    & skf21("1","4","7","5","4","7","3","1") = "6"
    & skf21("1","4","7","5","4","7","4","1") = "6"
    & skf21("1","4","7","5","4","7","5","1") = "6"
    & skf21("1","4","7","5","4","7","6","1") = "6"
    & skf21("1","4","7","5","4","7","7","1") = "6"
    & skf21("1","4","7","5","5","1","1","1") = "6"
    & skf21("1","4","7","5","5","1","2","1") = "6"
    & skf21("1","4","7","5","5","1","3","1") = "6"
    & skf21("1","4","7","5","5","1","4","1") = "6"
    & skf21("1","4","7","5","5","1","5","1") = "6"
    & skf21("1","4","7","5","5","1","6","1") = "6"
    & skf21("1","4","7","5","5","1","7","1") = "6"
    & skf21("1","4","7","5","5","2","1","1") = "6"
    & skf21("1","4","7","5","5","2","2","1") = "6"
    & skf21("1","4","7","5","5","2","3","1") = "6"
    & skf21("1","4","7","5","5","2","4","1") = "6"
    & skf21("1","4","7","5","5","2","5","1") = "6"
    & skf21("1","4","7","5","5","2","6","1") = "6"
    & skf21("1","4","7","5","5","2","7","1") = "6"
    & skf21("1","4","7","5","5","3","1","1") = "6"
    & skf21("1","4","7","5","5","3","2","1") = "6"
    & skf21("1","4","7","5","5","3","3","1") = "6"
    & skf21("1","4","7","5","5","3","4","1") = "6"
    & skf21("1","4","7","5","5","3","5","1") = "6"
    & skf21("1","4","7","5","5","3","6","1") = "6"
    & skf21("1","4","7","5","5","3","7","1") = "6"
    & skf21("1","4","7","5","5","4","1","1") = "6"
    & skf21("1","4","7","5","5","4","2","1") = "6"
    & skf21("1","4","7","5","5","4","3","1") = "6"
    & skf21("1","4","7","5","5","4","4","1") = "6"
    & skf21("1","4","7","5","5","4","5","1") = "6"
    & skf21("1","4","7","5","5","4","6","1") = "6"
    & skf21("1","4","7","5","5","4","7","1") = "6"
    & skf21("1","4","7","5","5","5","1","1") = "6"
    & skf21("1","4","7","5","5","5","2","1") = "6"
    & skf21("1","4","7","5","5","5","3","1") = "6"
    & skf21("1","4","7","5","5","5","4","1") = "6"
    & skf21("1","4","7","5","5","5","5","1") = "6"
    & skf21("1","4","7","5","5","5","6","1") = "6"
    & skf21("1","4","7","5","5","5","7","1") = "6"
    & skf21("1","4","7","5","5","6","1","1") = "6"
    & skf21("1","4","7","5","5","6","2","1") = "6"
    & skf21("1","4","7","5","5","6","3","1") = "6"
    & skf21("1","4","7","5","5","6","4","1") = "6"
    & skf21("1","4","7","5","5","6","5","1") = "6"
    & skf21("1","4","7","5","5","6","6","1") = "6"
    & skf21("1","4","7","5","5","6","7","1") = "6"
    & skf21("1","4","7","5","5","7","1","1") = "6"
    & skf21("1","4","7","5","5","7","2","1") = "6"
    & skf21("1","4","7","5","5","7","3","1") = "6"
    & skf21("1","4","7","5","5","7","4","1") = "6"
    & skf21("1","4","7","5","5","7","5","1") = "6"
    & skf21("1","4","7","5","5","7","6","1") = "6"
    & skf21("1","4","7","5","5","7","7","1") = "6"
    & skf21("1","4","7","5","6","1","1","1") = "6"
    & skf21("1","4","7","5","6","1","2","1") = "6"
    & skf21("1","4","7","5","6","1","3","1") = "6"
    & skf21("1","4","7","5","6","1","4","1") = "6"
    & skf21("1","4","7","5","6","1","5","1") = "6"
    & skf21("1","4","7","5","6","1","6","1") = "6"
    & skf21("1","4","7","5","6","1","7","1") = "6"
    & skf21("1","4","7","5","6","2","1","1") = "6"
    & skf21("1","4","7","5","6","2","2","1") = "6"
    & skf21("1","4","7","5","6","2","3","1") = "6"
    & skf21("1","4","7","5","6","2","4","1") = "6"
    & skf21("1","4","7","5","6","2","5","1") = "6"
    & skf21("1","4","7","5","6","2","6","1") = "6"
    & skf21("1","4","7","5","6","2","7","1") = "6"
    & skf21("1","4","7","5","6","3","1","1") = "6"
    & skf21("1","4","7","5","6","3","2","1") = "6"
    & skf21("1","4","7","5","6","3","3","1") = "6"
    & skf21("1","4","7","5","6","3","4","1") = "6"
    & skf21("1","4","7","5","6","3","5","1") = "6"
    & skf21("1","4","7","5","6","3","6","1") = "6"
    & skf21("1","4","7","5","6","3","7","1") = "6"
    & skf21("1","4","7","5","6","4","1","1") = "6"
    & skf21("1","4","7","5","6","4","2","1") = "6"
    & skf21("1","4","7","5","6","4","3","1") = "6"
    & skf21("1","4","7","5","6","4","4","1") = "6"
    & skf21("1","4","7","5","6","4","5","1") = "6"
    & skf21("1","4","7","5","6","4","6","1") = "6"
    & skf21("1","4","7","5","6","4","7","1") = "6"
    & skf21("1","4","7","5","6","5","1","1") = "6"
    & skf21("1","4","7","5","6","5","2","1") = "6"
    & skf21("1","4","7","5","6","5","3","1") = "6"
    & skf21("1","4","7","5","6","5","4","1") = "6"
    & skf21("1","4","7","5","6","5","5","1") = "6"
    & skf21("1","4","7","5","6","5","6","1") = "6"
    & skf21("1","4","7","5","6","5","7","1") = "6"
    & skf21("1","4","7","5","6","6","1","1") = "6"
    & skf21("1","4","7","5","6","6","2","1") = "6"
    & skf21("1","4","7","5","6","6","3","1") = "6"
    & skf21("1","4","7","5","6","6","4","1") = "6"
    & skf21("1","4","7","5","6","6","5","1") = "6"
    & skf21("1","4","7","5","6","6","6","1") = "6"
    & skf21("1","4","7","5","6","6","7","1") = "6"
    & skf21("1","4","7","5","6","7","1","1") = "6"
    & skf21("1","4","7","5","6","7","2","1") = "6"
    & skf21("1","4","7","5","6","7","3","1") = "6"
    & skf21("1","4","7","5","6","7","4","1") = "6"
    & skf21("1","4","7","5","6","7","5","1") = "6"
    & skf21("1","4","7","5","6","7","6","1") = "6"
    & skf21("1","4","7","5","6","7","7","1") = "6"
    & skf21("1","4","7","5","7","1","1","1") = "6"
    & skf21("1","4","7","5","7","1","2","1") = "6"
    & skf21("1","4","7","5","7","1","3","1") = "6"
    & skf21("1","4","7","5","7","1","4","1") = "6"
    & skf21("1","4","7","5","7","1","5","1") = "6"
    & skf21("1","4","7","5","7","1","6","1") = "6"
    & skf21("1","4","7","5","7","1","7","1") = "6"
    & skf21("1","4","7","5","7","2","1","1") = "6"
    & skf21("1","4","7","5","7","2","2","1") = "6"
    & skf21("1","4","7","5","7","2","3","1") = "6"
    & skf21("1","4","7","5","7","2","4","1") = "6"
    & skf21("1","4","7","5","7","2","5","1") = "6"
    & skf21("1","4","7","5","7","2","6","1") = "6"
    & skf21("1","4","7","5","7","2","7","1") = "6"
    & skf21("1","4","7","5","7","3","1","1") = "6"
    & skf21("1","4","7","5","7","3","2","1") = "6"
    & skf21("1","4","7","5","7","3","3","1") = "6"
    & skf21("1","4","7","5","7","3","4","1") = "6"
    & skf21("1","4","7","5","7","3","5","1") = "6"
    & skf21("1","4","7","5","7","3","6","1") = "6"
    & skf21("1","4","7","5","7","3","7","1") = "6"
    & skf21("1","4","7","5","7","4","1","1") = "6"
    & skf21("1","4","7","5","7","4","2","1") = "6"
    & skf21("1","4","7","5","7","4","3","1") = "6"
    & skf21("1","4","7","5","7","4","4","1") = "6"
    & skf21("1","4","7","5","7","4","5","1") = "6"
    & skf21("1","4","7","5","7","4","6","1") = "6"
    & skf21("1","4","7","5","7","4","7","1") = "6"
    & skf21("1","4","7","5","7","5","1","1") = "6"
    & skf21("1","4","7","5","7","5","2","1") = "6"
    & skf21("1","4","7","5","7","5","3","1") = "6"
    & skf21("1","4","7","5","7","5","4","1") = "6"
    & skf21("1","4","7","5","7","5","5","1") = "6"
    & skf21("1","4","7","5","7","5","6","1") = "6"
    & skf21("1","4","7","5","7","5","7","1") = "6"
    & skf21("1","4","7","5","7","6","1","1") = "6"
    & skf21("1","4","7","5","7","6","2","1") = "6"
    & skf21("1","4","7","5","7","6","3","1") = "6"
    & skf21("1","4","7","5","7","6","4","1") = "6"
    & skf21("1","4","7","5","7","6","5","1") = "6"
    & skf21("1","4","7","5","7","6","6","1") = "6"
    & skf21("1","4","7","5","7","6","7","1") = "6"
    & skf21("1","4","7","5","7","7","1","1") = "6"
    & skf21("1","4","7","5","7","7","2","1") = "6"
    & skf21("1","4","7","5","7","7","3","1") = "6"
    & skf21("1","4","7","5","7","7","4","1") = "6"
    & skf21("1","4","7","5","7","7","5","1") = "6"
    & skf21("1","4","7","5","7","7","6","1") = "6"
    & skf21("1","4","7","5","7","7","7","1") = "6"
    & skf21("1","4","7","6","1","1","1","1") = "6"
    & skf21("1","4","7","6","1","1","2","1") = "6"
    & skf21("1","4","7","6","1","1","3","1") = "6"
    & skf21("1","4","7","6","1","1","4","1") = "6"
    & skf21("1","4","7","6","1","1","5","1") = "6"
    & skf21("1","4","7","6","1","1","6","1") = "6"
    & skf21("1","4","7","6","1","1","7","1") = "6"
    & skf21("1","4","7","6","1","2","1","1") = "6"
    & skf21("1","4","7","6","1","2","2","1") = "6"
    & skf21("1","4","7","6","1","2","3","1") = "6"
    & skf21("1","4","7","6","1","2","4","1") = "6"
    & skf21("1","4","7","6","1","2","5","1") = "6"
    & skf21("1","4","7","6","1","2","6","1") = "6"
    & skf21("1","4","7","6","1","2","7","1") = "6"
    & skf21("1","4","7","6","1","3","1","1") = "6"
    & skf21("1","4","7","6","1","3","2","1") = "6"
    & skf21("1","4","7","6","1","3","3","1") = "6"
    & skf21("1","4","7","6","1","3","4","1") = "6"
    & skf21("1","4","7","6","1","3","5","1") = "6"
    & skf21("1","4","7","6","1","3","6","1") = "6"
    & skf21("1","4","7","6","1","3","7","1") = "6"
    & skf21("1","4","7","6","1","4","1","1") = "6"
    & skf21("1","4","7","6","1","4","2","1") = "6"
    & skf21("1","4","7","6","1","4","3","1") = "6"
    & skf21("1","4","7","6","1","4","4","1") = "6"
    & skf21("1","4","7","6","1","4","5","1") = "6"
    & skf21("1","4","7","6","1","4","6","1") = "6"
    & skf21("1","4","7","6","1","4","7","1") = "6"
    & skf21("1","4","7","6","1","5","1","1") = "6"
    & skf21("1","4","7","6","1","5","2","1") = "6"
    & skf21("1","4","7","6","1","5","3","1") = "6"
    & skf21("1","4","7","6","1","5","4","1") = "6"
    & skf21("1","4","7","6","1","5","5","1") = "6"
    & skf21("1","4","7","6","1","5","6","1") = "6"
    & skf21("1","4","7","6","1","5","7","1") = "6"
    & skf21("1","4","7","6","1","6","1","1") = "6"
    & skf21("1","4","7","6","1","6","2","1") = "6"
    & skf21("1","4","7","6","1","6","3","1") = "6"
    & skf21("1","4","7","6","1","6","4","1") = "6"
    & skf21("1","4","7","6","1","6","5","1") = "6"
    & skf21("1","4","7","6","1","6","6","1") = "6"
    & skf21("1","4","7","6","1","6","7","1") = "6"
    & skf21("1","4","7","6","1","7","1","1") = "6"
    & skf21("1","4","7","6","1","7","2","1") = "6"
    & skf21("1","4","7","6","1","7","3","1") = "6"
    & skf21("1","4","7","6","1","7","4","1") = "6"
    & skf21("1","4","7","6","1","7","5","1") = "6"
    & skf21("1","4","7","6","1","7","6","1") = "6"
    & skf21("1","4","7","6","1","7","7","1") = "6"
    & skf21("1","4","7","6","2","1","1","1") = "6"
    & skf21("1","4","7","6","2","1","2","1") = "6"
    & skf21("1","4","7","6","2","1","3","1") = "6"
    & skf21("1","4","7","6","2","1","4","1") = "6"
    & skf21("1","4","7","6","2","1","5","1") = "6"
    & skf21("1","4","7","6","2","1","6","1") = "6"
    & skf21("1","4","7","6","2","1","7","1") = "6"
    & skf21("1","4","7","6","2","2","1","1") = "6"
    & skf21("1","4","7","6","2","2","2","1") = "6"
    & skf21("1","4","7","6","2","2","3","1") = "6"
    & skf21("1","4","7","6","2","2","4","1") = "6"
    & skf21("1","4","7","6","2","2","5","1") = "6"
    & skf21("1","4","7","6","2","2","6","1") = "6"
    & skf21("1","4","7","6","2","2","7","1") = "6"
    & skf21("1","4","7","6","2","3","1","1") = "6"
    & skf21("1","4","7","6","2","3","2","1") = "6"
    & skf21("1","4","7","6","2","3","3","1") = "6"
    & skf21("1","4","7","6","2","3","4","1") = "6"
    & skf21("1","4","7","6","2","3","5","1") = "6"
    & skf21("1","4","7","6","2","3","6","1") = "6"
    & skf21("1","4","7","6","2","3","7","1") = "6"
    & skf21("1","4","7","6","2","4","1","1") = "6"
    & skf21("1","4","7","6","2","4","2","1") = "6"
    & skf21("1","4","7","6","2","4","3","1") = "6"
    & skf21("1","4","7","6","2","4","4","1") = "6"
    & skf21("1","4","7","6","2","4","5","1") = "6"
    & skf21("1","4","7","6","2","4","6","1") = "6"
    & skf21("1","4","7","6","2","4","7","1") = "6"
    & skf21("1","4","7","6","2","5","1","1") = "6"
    & skf21("1","4","7","6","2","5","2","1") = "6"
    & skf21("1","4","7","6","2","5","3","1") = "6"
    & skf21("1","4","7","6","2","5","4","1") = "6"
    & skf21("1","4","7","6","2","5","5","1") = "6"
    & skf21("1","4","7","6","2","5","6","1") = "6"
    & skf21("1","4","7","6","2","5","7","1") = "6"
    & skf21("1","4","7","6","2","6","1","1") = "6"
    & skf21("1","4","7","6","2","6","2","1") = "6"
    & skf21("1","4","7","6","2","6","3","1") = "6"
    & skf21("1","4","7","6","2","6","4","1") = "6"
    & skf21("1","4","7","6","2","6","5","1") = "6"
    & skf21("1","4","7","6","2","6","6","1") = "6"
    & skf21("1","4","7","6","2","6","7","1") = "6"
    & skf21("1","4","7","6","2","7","1","1") = "6"
    & skf21("1","4","7","6","2","7","2","1") = "6"
    & skf21("1","4","7","6","2","7","3","1") = "6"
    & skf21("1","4","7","6","2","7","4","1") = "6"
    & skf21("1","4","7","6","2","7","5","1") = "6"
    & skf21("1","4","7","6","2","7","6","1") = "6"
    & skf21("1","4","7","6","2","7","7","1") = "6"
    & skf21("1","4","7","6","3","1","1","1") = "6"
    & skf21("1","4","7","6","3","1","2","1") = "6"
    & skf21("1","4","7","6","3","1","3","1") = "6"
    & skf21("1","4","7","6","3","1","4","1") = "6"
    & skf21("1","4","7","6","3","1","5","1") = "6"
    & skf21("1","4","7","6","3","1","6","1") = "6"
    & skf21("1","4","7","6","3","1","7","1") = "6"
    & skf21("1","4","7","6","3","2","1","1") = "6"
    & skf21("1","4","7","6","3","2","2","1") = "6"
    & skf21("1","4","7","6","3","2","3","1") = "6"
    & skf21("1","4","7","6","3","2","4","1") = "6"
    & skf21("1","4","7","6","3","2","5","1") = "6"
    & skf21("1","4","7","6","3","2","6","1") = "6"
    & skf21("1","4","7","6","3","2","7","1") = "6"
    & skf21("1","4","7","6","3","3","1","1") = "6"
    & skf21("1","4","7","6","3","3","2","1") = "6"
    & skf21("1","4","7","6","3","3","3","1") = "6"
    & skf21("1","4","7","6","3","3","4","1") = "6"
    & skf21("1","4","7","6","3","3","5","1") = "6"
    & skf21("1","4","7","6","3","3","6","1") = "6"
    & skf21("1","4","7","6","3","3","7","1") = "6"
    & skf21("1","4","7","6","3","4","1","1") = "6"
    & skf21("1","4","7","6","3","4","2","1") = "6"
    & skf21("1","4","7","6","3","4","3","1") = "6"
    & skf21("1","4","7","6","3","4","4","1") = "6"
    & skf21("1","4","7","6","3","4","5","1") = "6"
    & skf21("1","4","7","6","3","4","6","1") = "6"
    & skf21("1","4","7","6","3","4","7","1") = "6"
    & skf21("1","4","7","6","3","5","1","1") = "6"
    & skf21("1","4","7","6","3","5","2","1") = "6"
    & skf21("1","4","7","6","3","5","3","1") = "6"
    & skf21("1","4","7","6","3","5","4","1") = "6"
    & skf21("1","4","7","6","3","5","5","1") = "6"
    & skf21("1","4","7","6","3","5","6","1") = "6"
    & skf21("1","4","7","6","3","5","7","1") = "6"
    & skf21("1","4","7","6","3","6","1","1") = "6"
    & skf21("1","4","7","6","3","6","2","1") = "6"
    & skf21("1","4","7","6","3","6","3","1") = "6"
    & skf21("1","4","7","6","3","6","4","1") = "6"
    & skf21("1","4","7","6","3","6","5","1") = "6"
    & skf21("1","4","7","6","3","6","6","1") = "6"
    & skf21("1","4","7","6","3","6","7","1") = "6"
    & skf21("1","4","7","6","3","7","1","1") = "6"
    & skf21("1","4","7","6","3","7","2","1") = "6"
    & skf21("1","4","7","6","3","7","3","1") = "6"
    & skf21("1","4","7","6","3","7","4","1") = "6"
    & skf21("1","4","7","6","3","7","5","1") = "6"
    & skf21("1","4","7","6","3","7","6","1") = "6"
    & skf21("1","4","7","6","3","7","7","1") = "6"
    & skf21("1","4","7","6","4","1","1","1") = "6"
    & skf21("1","4","7","6","4","1","2","1") = "6"
    & skf21("1","4","7","6","4","1","3","1") = "6"
    & skf21("1","4","7","6","4","1","4","1") = "6"
    & skf21("1","4","7","6","4","1","5","1") = "6"
    & skf21("1","4","7","6","4","1","6","1") = "6"
    & skf21("1","4","7","6","4","1","7","1") = "6"
    & skf21("1","4","7","6","4","2","1","1") = "6"
    & skf21("1","4","7","6","4","2","2","1") = "6"
    & skf21("1","4","7","6","4","2","3","1") = "6"
    & skf21("1","4","7","6","4","2","4","1") = "6"
    & skf21("1","4","7","6","4","2","5","1") = "6"
    & skf21("1","4","7","6","4","2","6","1") = "6"
    & skf21("1","4","7","6","4","2","7","1") = "6"
    & skf21("1","4","7","6","4","3","1","1") = "6"
    & skf21("1","4","7","6","4","3","2","1") = "6"
    & skf21("1","4","7","6","4","3","3","1") = "6"
    & skf21("1","4","7","6","4","3","4","1") = "6"
    & skf21("1","4","7","6","4","3","5","1") = "6"
    & skf21("1","4","7","6","4","3","6","1") = "6"
    & skf21("1","4","7","6","4","3","7","1") = "6"
    & skf21("1","4","7","6","4","4","1","1") = "6"
    & skf21("1","4","7","6","4","4","2","1") = "6"
    & skf21("1","4","7","6","4","4","3","1") = "6"
    & skf21("1","4","7","6","4","4","4","1") = "6"
    & skf21("1","4","7","6","4","4","5","1") = "6"
    & skf21("1","4","7","6","4","4","6","1") = "6"
    & skf21("1","4","7","6","4","4","7","1") = "6"
    & skf21("1","4","7","6","4","5","1","1") = "6"
    & skf21("1","4","7","6","4","5","2","1") = "6"
    & skf21("1","4","7","6","4","5","3","1") = "6"
    & skf21("1","4","7","6","4","5","4","1") = "6"
    & skf21("1","4","7","6","4","5","5","1") = "6"
    & skf21("1","4","7","6","4","5","6","1") = "6"
    & skf21("1","4","7","6","4","5","7","1") = "6"
    & skf21("1","4","7","6","4","6","1","1") = "6"
    & skf21("1","4","7","6","4","6","2","1") = "6"
    & skf21("1","4","7","6","4","6","3","1") = "6"
    & skf21("1","4","7","6","4","6","4","1") = "6"
    & skf21("1","4","7","6","4","6","5","1") = "6"
    & skf21("1","4","7","6","4","6","6","1") = "6"
    & skf21("1","4","7","6","4","6","7","1") = "6"
    & skf21("1","4","7","6","4","7","1","1") = "6"
    & skf21("1","4","7","6","4","7","2","1") = "6"
    & skf21("1","4","7","6","4","7","3","1") = "6"
    & skf21("1","4","7","6","4","7","4","1") = "6"
    & skf21("1","4","7","6","4","7","5","1") = "6"
    & skf21("1","4","7","6","4","7","6","1") = "6"
    & skf21("1","4","7","6","4","7","7","1") = "6"
    & skf21("1","4","7","6","5","1","1","1") = "6"
    & skf21("1","4","7","6","5","1","2","1") = "6"
    & skf21("1","4","7","6","5","1","3","1") = "6"
    & skf21("1","4","7","6","5","1","4","1") = "6"
    & skf21("1","4","7","6","5","1","5","1") = "6"
    & skf21("1","4","7","6","5","1","6","1") = "6"
    & skf21("1","4","7","6","5","1","7","1") = "6"
    & skf21("1","4","7","6","5","2","1","1") = "6"
    & skf21("1","4","7","6","5","2","2","1") = "6"
    & skf21("1","4","7","6","5","2","3","1") = "6"
    & skf21("1","4","7","6","5","2","4","1") = "6"
    & skf21("1","4","7","6","5","2","5","1") = "6"
    & skf21("1","4","7","6","5","2","6","1") = "6"
    & skf21("1","4","7","6","5","2","7","1") = "6"
    & skf21("1","4","7","6","5","3","1","1") = "6"
    & skf21("1","4","7","6","5","3","2","1") = "6"
    & skf21("1","4","7","6","5","3","3","1") = "6"
    & skf21("1","4","7","6","5","3","4","1") = "6"
    & skf21("1","4","7","6","5","3","5","1") = "6"
    & skf21("1","4","7","6","5","3","6","1") = "6"
    & skf21("1","4","7","6","5","3","7","1") = "6"
    & skf21("1","4","7","6","5","4","1","1") = "6"
    & skf21("1","4","7","6","5","4","2","1") = "6"
    & skf21("1","4","7","6","5","4","3","1") = "6"
    & skf21("1","4","7","6","5","4","4","1") = "6"
    & skf21("1","4","7","6","5","4","5","1") = "6"
    & skf21("1","4","7","6","5","4","6","1") = "6"
    & skf21("1","4","7","6","5","4","7","1") = "6"
    & skf21("1","4","7","6","5","5","1","1") = "6"
    & skf21("1","4","7","6","5","5","2","1") = "6"
    & skf21("1","4","7","6","5","5","3","1") = "6"
    & skf21("1","4","7","6","5","5","4","1") = "6"
    & skf21("1","4","7","6","5","5","5","1") = "6"
    & skf21("1","4","7","6","5","5","6","1") = "6"
    & skf21("1","4","7","6","5","5","7","1") = "6"
    & skf21("1","4","7","6","5","6","1","1") = "6"
    & skf21("1","4","7","6","5","6","2","1") = "6"
    & skf21("1","4","7","6","5","6","3","1") = "6"
    & skf21("1","4","7","6","5","6","4","1") = "6"
    & skf21("1","4","7","6","5","6","5","1") = "6"
    & skf21("1","4","7","6","5","6","6","1") = "6"
    & skf21("1","4","7","6","5","6","7","1") = "6"
    & skf21("1","4","7","6","5","7","1","1") = "6"
    & skf21("1","4","7","6","5","7","2","1") = "6"
    & skf21("1","4","7","6","5","7","3","1") = "6"
    & skf21("1","4","7","6","5","7","4","1") = "6"
    & skf21("1","4","7","6","5","7","5","1") = "6"
    & skf21("1","4","7","6","5","7","6","1") = "6"
    & skf21("1","4","7","6","5","7","7","1") = "6"
    & skf21("1","4","7","6","6","1","1","1") = "6"
    & skf21("1","4","7","6","6","1","2","1") = "6"
    & skf21("1","4","7","6","6","1","3","1") = "6"
    & skf21("1","4","7","6","6","1","4","1") = "6"
    & skf21("1","4","7","6","6","1","5","1") = "6"
    & skf21("1","4","7","6","6","1","6","1") = "6"
    & skf21("1","4","7","6","6","1","7","1") = "6"
    & skf21("1","4","7","6","6","2","1","1") = "6"
    & skf21("1","4","7","6","6","2","2","1") = "6"
    & skf21("1","4","7","6","6","2","3","1") = "6"
    & skf21("1","4","7","6","6","2","4","1") = "6"
    & skf21("1","4","7","6","6","2","5","1") = "6"
    & skf21("1","4","7","6","6","2","6","1") = "6"
    & skf21("1","4","7","6","6","2","7","1") = "6"
    & skf21("1","4","7","6","6","3","1","1") = "6"
    & skf21("1","4","7","6","6","3","2","1") = "6"
    & skf21("1","4","7","6","6","3","3","1") = "6"
    & skf21("1","4","7","6","6","3","4","1") = "6"
    & skf21("1","4","7","6","6","3","5","1") = "6"
    & skf21("1","4","7","6","6","3","6","1") = "6"
    & skf21("1","4","7","6","6","3","7","1") = "6"
    & skf21("1","4","7","6","6","4","1","1") = "6"
    & skf21("1","4","7","6","6","4","2","1") = "6"
    & skf21("1","4","7","6","6","4","3","1") = "6"
    & skf21("1","4","7","6","6","4","4","1") = "6"
    & skf21("1","4","7","6","6","4","5","1") = "6"
    & skf21("1","4","7","6","6","4","6","1") = "6"
    & skf21("1","4","7","6","6","4","7","1") = "6"
    & skf21("1","4","7","6","6","5","1","1") = "6"
    & skf21("1","4","7","6","6","5","2","1") = "6"
    & skf21("1","4","7","6","6","5","3","1") = "6"
    & skf21("1","4","7","6","6","5","4","1") = "6"
    & skf21("1","4","7","6","6","5","5","1") = "6"
    & skf21("1","4","7","6","6","5","6","1") = "6"
    & skf21("1","4","7","6","6","5","7","1") = "6"
    & skf21("1","4","7","6","6","6","1","1") = "6"
    & skf21("1","4","7","6","6","6","2","1") = "6"
    & skf21("1","4","7","6","6","6","3","1") = "6"
    & skf21("1","4","7","6","6","6","4","1") = "6"
    & skf21("1","4","7","6","6","6","5","1") = "6"
    & skf21("1","4","7","6","6","6","6","1") = "6"
    & skf21("1","4","7","6","6","6","7","1") = "6"
    & skf21("1","4","7","6","6","7","1","1") = "6"
    & skf21("1","4","7","6","6","7","2","1") = "6"
    & skf21("1","4","7","6","6","7","3","1") = "6"
    & skf21("1","4","7","6","6","7","4","1") = "6"
    & skf21("1","4","7","6","6","7","5","1") = "6"
    & skf21("1","4","7","6","6","7","6","1") = "6"
    & skf21("1","4","7","6","6","7","7","1") = "6"
    & skf21("1","4","7","6","7","1","1","1") = "6"
    & skf21("1","4","7","6","7","1","2","1") = "6"
    & skf21("1","4","7","6","7","1","3","1") = "6"
    & skf21("1","4","7","6","7","1","4","1") = "6"
    & skf21("1","4","7","6","7","1","5","1") = "6"
    & skf21("1","4","7","6","7","1","6","1") = "6"
    & skf21("1","4","7","6","7","1","7","1") = "6"
    & skf21("1","4","7","6","7","2","1","1") = "6"
    & skf21("1","4","7","6","7","2","2","1") = "6"
    & skf21("1","4","7","6","7","2","3","1") = "6"
    & skf21("1","4","7","6","7","2","4","1") = "6"
    & skf21("1","4","7","6","7","2","5","1") = "6"
    & skf21("1","4","7","6","7","2","6","1") = "6"
    & skf21("1","4","7","6","7","2","7","1") = "6"
    & skf21("1","4","7","6","7","3","1","1") = "6"
    & skf21("1","4","7","6","7","3","2","1") = "6"
    & skf21("1","4","7","6","7","3","3","1") = "6"
    & skf21("1","4","7","6","7","3","4","1") = "6"
    & skf21("1","4","7","6","7","3","5","1") = "6"
    & skf21("1","4","7","6","7","3","6","1") = "6"
    & skf21("1","4","7","6","7","3","7","1") = "6"
    & skf21("1","4","7","6","7","4","1","1") = "6"
    & skf21("1","4","7","6","7","4","2","1") = "6"
    & skf21("1","4","7","6","7","4","3","1") = "6"
    & skf21("1","4","7","6","7","4","4","1") = "6"
    & skf21("1","4","7","6","7","4","5","1") = "6"
    & skf21("1","4","7","6","7","4","6","1") = "6"
    & skf21("1","4","7","6","7","4","7","1") = "6"
    & skf21("1","4","7","6","7","5","1","1") = "6"
    & skf21("1","4","7","6","7","5","2","1") = "6"
    & skf21("1","4","7","6","7","5","3","1") = "6"
    & skf21("1","4","7","6","7","5","4","1") = "6"
    & skf21("1","4","7","6","7","5","5","1") = "6"
    & skf21("1","4","7","6","7","5","6","1") = "6"
    & skf21("1","4","7","6","7","5","7","1") = "6"
    & skf21("1","4","7","6","7","6","1","1") = "6"
    & skf21("1","4","7","6","7","6","2","1") = "6"
    & skf21("1","4","7","6","7","6","3","1") = "6"
    & skf21("1","4","7","6","7","6","4","1") = "6"
    & skf21("1","4","7","6","7","6","5","1") = "6"
    & skf21("1","4","7","6","7","6","6","1") = "6"
    & skf21("1","4","7","6","7","6","7","1") = "6"
    & skf21("1","4","7","6","7","7","1","1") = "6"
    & skf21("1","4","7","6","7","7","2","1") = "6"
    & skf21("1","4","7","6","7","7","3","1") = "6"
    & skf21("1","4","7","6","7","7","4","1") = "6"
    & skf21("1","4","7","6","7","7","5","1") = "6"
    & skf21("1","4","7","6","7","7","6","1") = "6"
    & skf21("1","4","7","6","7","7","7","1") = "6"
    & skf21("1","4","7","7","1","1","1","1") = "6"
    & skf21("1","4","7","7","1","1","2","1") = "6"
    & skf21("1","4","7","7","1","1","3","1") = "6"
    & skf21("1","4","7","7","1","1","4","1") = "6"
    & skf21("1","4","7","7","1","1","5","1") = "6"
    & skf21("1","4","7","7","1","1","6","1") = "6"
    & skf21("1","4","7","7","1","1","7","1") = "6"
    & skf21("1","4","7","7","1","2","1","1") = "6"
    & skf21("1","4","7","7","1","2","2","1") = "6"
    & skf21("1","4","7","7","1","2","3","1") = "6"
    & skf21("1","4","7","7","1","2","4","1") = "6"
    & skf21("1","4","7","7","1","2","5","1") = "6"
    & skf21("1","4","7","7","1","2","6","1") = "6"
    & skf21("1","4","7","7","1","2","7","1") = "6"
    & skf21("1","4","7","7","1","3","1","1") = "6"
    & skf21("1","4","7","7","1","3","2","1") = "6"
    & skf21("1","4","7","7","1","3","3","1") = "6"
    & skf21("1","4","7","7","1","3","4","1") = "6"
    & skf21("1","4","7","7","1","3","5","1") = "6"
    & skf21("1","4","7","7","1","3","6","1") = "6"
    & skf21("1","4","7","7","1","3","7","1") = "6"
    & skf21("1","4","7","7","1","4","1","1") = "6"
    & skf21("1","4","7","7","1","4","2","1") = "6"
    & skf21("1","4","7","7","1","4","3","1") = "6"
    & skf21("1","4","7","7","1","4","4","1") = "6"
    & skf21("1","4","7","7","1","4","5","1") = "6"
    & skf21("1","4","7","7","1","4","6","1") = "6"
    & skf21("1","4","7","7","1","4","7","1") = "6"
    & skf21("1","4","7","7","1","5","1","1") = "6"
    & skf21("1","4","7","7","1","5","2","1") = "6"
    & skf21("1","4","7","7","1","5","3","1") = "6"
    & skf21("1","4","7","7","1","5","4","1") = "6"
    & skf21("1","4","7","7","1","5","5","1") = "6"
    & skf21("1","4","7","7","1","5","6","1") = "6"
    & skf21("1","4","7","7","1","5","7","1") = "6"
    & skf21("1","4","7","7","1","6","1","1") = "6"
    & skf21("1","4","7","7","1","6","2","1") = "6"
    & skf21("1","4","7","7","1","6","3","1") = "6"
    & skf21("1","4","7","7","1","6","4","1") = "6"
    & skf21("1","4","7","7","1","6","5","1") = "6"
    & skf21("1","4","7","7","1","6","6","1") = "6"
    & skf21("1","4","7","7","1","6","7","1") = "6"
    & skf21("1","4","7","7","1","7","1","1") = "6"
    & skf21("1","4","7","7","1","7","2","1") = "6"
    & skf21("1","4","7","7","1","7","3","1") = "6"
    & skf21("1","4","7","7","1","7","4","1") = "6"
    & skf21("1","4","7","7","1","7","5","1") = "6"
    & skf21("1","4","7","7","1","7","6","1") = "6"
    & skf21("1","4","7","7","1","7","7","1") = "6"
    & skf21("1","4","7","7","2","1","1","1") = "6"
    & skf21("1","4","7","7","2","1","2","1") = "6"
    & skf21("1","4","7","7","2","1","3","1") = "6"
    & skf21("1","4","7","7","2","1","4","1") = "6"
    & skf21("1","4","7","7","2","1","5","1") = "6"
    & skf21("1","4","7","7","2","1","6","1") = "6"
    & skf21("1","4","7","7","2","1","7","1") = "6"
    & skf21("1","4","7","7","2","2","1","1") = "6"
    & skf21("1","4","7","7","2","2","2","1") = "6"
    & skf21("1","4","7","7","2","2","3","1") = "6"
    & skf21("1","4","7","7","2","2","4","1") = "6"
    & skf21("1","4","7","7","2","2","5","1") = "6"
    & skf21("1","4","7","7","2","2","6","1") = "6"
    & skf21("1","4","7","7","2","2","7","1") = "6"
    & skf21("1","4","7","7","2","3","1","1") = "6"
    & skf21("1","4","7","7","2","3","2","1") = "6"
    & skf21("1","4","7","7","2","3","3","1") = "6"
    & skf21("1","4","7","7","2","3","4","1") = "6"
    & skf21("1","4","7","7","2","3","5","1") = "6"
    & skf21("1","4","7","7","2","3","6","1") = "6"
    & skf21("1","4","7","7","2","3","7","1") = "6"
    & skf21("1","4","7","7","2","4","1","1") = "6"
    & skf21("1","4","7","7","2","4","2","1") = "6"
    & skf21("1","4","7","7","2","4","3","1") = "6"
    & skf21("1","4","7","7","2","4","4","1") = "6"
    & skf21("1","4","7","7","2","4","5","1") = "6"
    & skf21("1","4","7","7","2","4","6","1") = "6"
    & skf21("1","4","7","7","2","4","7","1") = "6"
    & skf21("1","4","7","7","2","5","1","1") = "6"
    & skf21("1","4","7","7","2","5","2","1") = "6"
    & skf21("1","4","7","7","2","5","3","1") = "6"
    & skf21("1","4","7","7","2","5","4","1") = "6"
    & skf21("1","4","7","7","2","5","5","1") = "6"
    & skf21("1","4","7","7","2","5","6","1") = "6"
    & skf21("1","4","7","7","2","5","7","1") = "6"
    & skf21("1","4","7","7","2","6","1","1") = "6"
    & skf21("1","4","7","7","2","6","2","1") = "6"
    & skf21("1","4","7","7","2","6","3","1") = "6"
    & skf21("1","4","7","7","2","6","4","1") = "6"
    & skf21("1","4","7","7","2","6","5","1") = "6"
    & skf21("1","4","7","7","2","6","6","1") = "6"
    & skf21("1","4","7","7","2","6","7","1") = "6"
    & skf21("1","4","7","7","2","7","1","1") = "6"
    & skf21("1","4","7","7","2","7","2","1") = "6"
    & skf21("1","4","7","7","2","7","3","1") = "6"
    & skf21("1","4","7","7","2","7","4","1") = "6"
    & skf21("1","4","7","7","2","7","5","1") = "6"
    & skf21("1","4","7","7","2","7","6","1") = "6"
    & skf21("1","4","7","7","2","7","7","1") = "6"
    & skf21("1","4","7","7","3","1","1","1") = "6"
    & skf21("1","4","7","7","3","1","2","1") = "6"
    & skf21("1","4","7","7","3","1","3","1") = "6"
    & skf21("1","4","7","7","3","1","4","1") = "6"
    & skf21("1","4","7","7","3","1","5","1") = "6"
    & skf21("1","4","7","7","3","1","6","1") = "6"
    & skf21("1","4","7","7","3","1","7","1") = "6"
    & skf21("1","4","7","7","3","2","1","1") = "6"
    & skf21("1","4","7","7","3","2","2","1") = "6"
    & skf21("1","4","7","7","3","2","3","1") = "6"
    & skf21("1","4","7","7","3","2","4","1") = "6"
    & skf21("1","4","7","7","3","2","5","1") = "6"
    & skf21("1","4","7","7","3","2","6","1") = "6"
    & skf21("1","4","7","7","3","2","7","1") = "6"
    & skf21("1","4","7","7","3","3","1","1") = "6"
    & skf21("1","4","7","7","3","3","2","1") = "6"
    & skf21("1","4","7","7","3","3","3","1") = "6"
    & skf21("1","4","7","7","3","3","4","1") = "6"
    & skf21("1","4","7","7","3","3","5","1") = "6"
    & skf21("1","4","7","7","3","3","6","1") = "6"
    & skf21("1","4","7","7","3","3","7","1") = "6"
    & skf21("1","4","7","7","3","4","1","1") = "6"
    & skf21("1","4","7","7","3","4","2","1") = "6"
    & skf21("1","4","7","7","3","4","3","1") = "6"
    & skf21("1","4","7","7","3","4","4","1") = "6"
    & skf21("1","4","7","7","3","4","5","1") = "6"
    & skf21("1","4","7","7","3","4","6","1") = "6"
    & skf21("1","4","7","7","3","4","7","1") = "6"
    & skf21("1","4","7","7","3","5","1","1") = "6"
    & skf21("1","4","7","7","3","5","2","1") = "6"
    & skf21("1","4","7","7","3","5","3","1") = "6"
    & skf21("1","4","7","7","3","5","4","1") = "6"
    & skf21("1","4","7","7","3","5","5","1") = "6"
    & skf21("1","4","7","7","3","5","6","1") = "6"
    & skf21("1","4","7","7","3","5","7","1") = "6"
    & skf21("1","4","7","7","3","6","1","1") = "6"
    & skf21("1","4","7","7","3","6","2","1") = "6"
    & skf21("1","4","7","7","3","6","3","1") = "6"
    & skf21("1","4","7","7","3","6","4","1") = "6"
    & skf21("1","4","7","7","3","6","5","1") = "6"
    & skf21("1","4","7","7","3","6","6","1") = "6"
    & skf21("1","4","7","7","3","6","7","1") = "6"
    & skf21("1","4","7","7","3","7","1","1") = "6"
    & skf21("1","4","7","7","3","7","2","1") = "6"
    & skf21("1","4","7","7","3","7","3","1") = "6"
    & skf21("1","4","7","7","3","7","4","1") = "6"
    & skf21("1","4","7","7","3","7","5","1") = "6"
    & skf21("1","4","7","7","3","7","6","1") = "6"
    & skf21("1","4","7","7","3","7","7","1") = "6"
    & skf21("1","4","7","7","4","1","1","1") = "6"
    & skf21("1","4","7","7","4","1","2","1") = "6"
    & skf21("1","4","7","7","4","1","3","1") = "6"
    & skf21("1","4","7","7","4","1","4","1") = "6"
    & skf21("1","4","7","7","4","1","5","1") = "6"
    & skf21("1","4","7","7","4","1","6","1") = "6"
    & skf21("1","4","7","7","4","1","7","1") = "6"
    & skf21("1","4","7","7","4","2","1","1") = "6"
    & skf21("1","4","7","7","4","2","2","1") = "6"
    & skf21("1","4","7","7","4","2","3","1") = "6"
    & skf21("1","4","7","7","4","2","4","1") = "6"
    & skf21("1","4","7","7","4","2","5","1") = "6"
    & skf21("1","4","7","7","4","2","6","1") = "6"
    & skf21("1","4","7","7","4","2","7","1") = "6"
    & skf21("1","4","7","7","4","3","1","1") = "6"
    & skf21("1","4","7","7","4","3","2","1") = "6"
    & skf21("1","4","7","7","4","3","3","1") = "6"
    & skf21("1","4","7","7","4","3","4","1") = "6"
    & skf21("1","4","7","7","4","3","5","1") = "6"
    & skf21("1","4","7","7","4","3","6","1") = "6"
    & skf21("1","4","7","7","4","3","7","1") = "6"
    & skf21("1","4","7","7","4","4","1","1") = "6"
    & skf21("1","4","7","7","4","4","2","1") = "6"
    & skf21("1","4","7","7","4","4","3","1") = "6"
    & skf21("1","4","7","7","4","4","4","1") = "6"
    & skf21("1","4","7","7","4","4","5","1") = "6"
    & skf21("1","4","7","7","4","4","6","1") = "6"
    & skf21("1","4","7","7","4","4","7","1") = "6"
    & skf21("1","4","7","7","4","5","1","1") = "6"
    & skf21("1","4","7","7","4","5","2","1") = "6"
    & skf21("1","4","7","7","4","5","3","1") = "6"
    & skf21("1","4","7","7","4","5","4","1") = "6"
    & skf21("1","4","7","7","4","5","5","1") = "6"
    & skf21("1","4","7","7","4","5","6","1") = "6"
    & skf21("1","4","7","7","4","5","7","1") = "6"
    & skf21("1","4","7","7","4","6","1","1") = "6"
    & skf21("1","4","7","7","4","6","2","1") = "6"
    & skf21("1","4","7","7","4","6","3","1") = "6"
    & skf21("1","4","7","7","4","6","4","1") = "6"
    & skf21("1","4","7","7","4","6","5","1") = "6"
    & skf21("1","4","7","7","4","6","6","1") = "6"
    & skf21("1","4","7","7","4","6","7","1") = "6"
    & skf21("1","4","7","7","4","7","1","1") = "6"
    & skf21("1","4","7","7","4","7","2","1") = "6"
    & skf21("1","4","7","7","4","7","3","1") = "6"
    & skf21("1","4","7","7","4","7","4","1") = "6"
    & skf21("1","4","7","7","4","7","5","1") = "6"
    & skf21("1","4","7","7","4","7","6","1") = "6"
    & skf21("1","4","7","7","4","7","7","1") = "6"
    & skf21("1","4","7","7","5","1","1","1") = "6"
    & skf21("1","4","7","7","5","1","2","1") = "6"
    & skf21("1","4","7","7","5","1","3","1") = "6"
    & skf21("1","4","7","7","5","1","4","1") = "6"
    & skf21("1","4","7","7","5","1","5","1") = "6"
    & skf21("1","4","7","7","5","1","6","1") = "6"
    & skf21("1","4","7","7","5","1","7","1") = "6"
    & skf21("1","4","7","7","5","2","1","1") = "6"
    & skf21("1","4","7","7","5","2","2","1") = "6"
    & skf21("1","4","7","7","5","2","3","1") = "6"
    & skf21("1","4","7","7","5","2","4","1") = "6"
    & skf21("1","4","7","7","5","2","5","1") = "6"
    & skf21("1","4","7","7","5","2","6","1") = "6"
    & skf21("1","4","7","7","5","2","7","1") = "6"
    & skf21("1","4","7","7","5","3","1","1") = "6"
    & skf21("1","4","7","7","5","3","2","1") = "6"
    & skf21("1","4","7","7","5","3","3","1") = "6"
    & skf21("1","4","7","7","5","3","4","1") = "6"
    & skf21("1","4","7","7","5","3","5","1") = "6"
    & skf21("1","4","7","7","5","3","6","1") = "6"
    & skf21("1","4","7","7","5","3","7","1") = "6"
    & skf21("1","4","7","7","5","4","1","1") = "6"
    & skf21("1","4","7","7","5","4","2","1") = "6"
    & skf21("1","4","7","7","5","4","3","1") = "6"
    & skf21("1","4","7","7","5","4","4","1") = "6"
    & skf21("1","4","7","7","5","4","5","1") = "6"
    & skf21("1","4","7","7","5","4","6","1") = "6"
    & skf21("1","4","7","7","5","4","7","1") = "6"
    & skf21("1","4","7","7","5","5","1","1") = "6"
    & skf21("1","4","7","7","5","5","2","1") = "6"
    & skf21("1","4","7","7","5","5","3","1") = "6"
    & skf21("1","4","7","7","5","5","4","1") = "6"
    & skf21("1","4","7","7","5","5","5","1") = "6"
    & skf21("1","4","7","7","5","5","6","1") = "6"
    & skf21("1","4","7","7","5","5","7","1") = "6"
    & skf21("1","4","7","7","5","6","1","1") = "6"
    & skf21("1","4","7","7","5","6","2","1") = "6"
    & skf21("1","4","7","7","5","6","3","1") = "6"
    & skf21("1","4","7","7","5","6","4","1") = "6"
    & skf21("1","4","7","7","5","6","5","1") = "6"
    & skf21("1","4","7","7","5","6","6","1") = "6"
    & skf21("1","4","7","7","5","6","7","1") = "6"
    & skf21("1","4","7","7","5","7","1","1") = "6"
    & skf21("1","4","7","7","5","7","2","1") = "6"
    & skf21("1","4","7","7","5","7","3","1") = "6"
    & skf21("1","4","7","7","5","7","4","1") = "6"
    & skf21("1","4","7","7","5","7","5","1") = "6"
    & skf21("1","4","7","7","5","7","6","1") = "6"
    & skf21("1","4","7","7","5","7","7","1") = "6"
    & skf21("1","4","7","7","6","1","1","1") = "6"
    & skf21("1","4","7","7","6","1","2","1") = "6"
    & skf21("1","4","7","7","6","1","3","1") = "6"
    & skf21("1","4","7","7","6","1","4","1") = "6"
    & skf21("1","4","7","7","6","1","5","1") = "6"
    & skf21("1","4","7","7","6","1","6","1") = "6"
    & skf21("1","4","7","7","6","1","7","1") = "6"
    & skf21("1","4","7","7","6","2","1","1") = "6"
    & skf21("1","4","7","7","6","2","2","1") = "6"
    & skf21("1","4","7","7","6","2","3","1") = "6"
    & skf21("1","4","7","7","6","2","4","1") = "6"
    & skf21("1","4","7","7","6","2","5","1") = "6"
    & skf21("1","4","7","7","6","2","6","1") = "6"
    & skf21("1","4","7","7","6","2","7","1") = "6"
    & skf21("1","4","7","7","6","3","1","1") = "6"
    & skf21("1","4","7","7","6","3","2","1") = "6"
    & skf21("1","4","7","7","6","3","3","1") = "6"
    & skf21("1","4","7","7","6","3","4","1") = "6"
    & skf21("1","4","7","7","6","3","5","1") = "6"
    & skf21("1","4","7","7","6","3","6","1") = "6"
    & skf21("1","4","7","7","6","3","7","1") = "6"
    & skf21("1","4","7","7","6","4","1","1") = "6"
    & skf21("1","4","7","7","6","4","2","1") = "6"
    & skf21("1","4","7","7","6","4","3","1") = "6"
    & skf21("1","4","7","7","6","4","4","1") = "6"
    & skf21("1","4","7","7","6","4","5","1") = "6"
    & skf21("1","4","7","7","6","4","6","1") = "6"
    & skf21("1","4","7","7","6","4","7","1") = "6"
    & skf21("1","4","7","7","6","5","1","1") = "6"
    & skf21("1","4","7","7","6","5","2","1") = "6"
    & skf21("1","4","7","7","6","5","3","1") = "6"
    & skf21("1","4","7","7","6","5","4","1") = "6"
    & skf21("1","4","7","7","6","5","5","1") = "6"
    & skf21("1","4","7","7","6","5","6","1") = "6"
    & skf21("1","4","7","7","6","5","7","1") = "6"
    & skf21("1","4","7","7","6","6","1","1") = "6"
    & skf21("1","4","7","7","6","6","2","1") = "6"
    & skf21("1","4","7","7","6","6","3","1") = "6"
    & skf21("1","4","7","7","6","6","4","1") = "6"
    & skf21("1","4","7","7","6","6","5","1") = "6"
    & skf21("1","4","7","7","6","6","6","1") = "6"
    & skf21("1","4","7","7","6","6","7","1") = "6"
    & skf21("1","4","7","7","6","7","1","1") = "6"
    & skf21("1","4","7","7","6","7","2","1") = "6"
    & skf21("1","4","7","7","6","7","3","1") = "6"
    & skf21("1","4","7","7","6","7","4","1") = "6"
    & skf21("1","4","7","7","6","7","5","1") = "6"
    & skf21("1","4","7","7","6","7","6","1") = "6"
    & skf21("1","4","7","7","6","7","7","1") = "6"
    & skf21("1","4","7","7","7","1","1","1") = "6"
    & skf21("1","4","7","7","7","1","2","1") = "6"
    & skf21("1","4","7","7","7","1","3","1") = "6"
    & skf21("1","4","7","7","7","1","4","1") = "6"
    & skf21("1","4","7","7","7","1","5","1") = "6"
    & skf21("1","4","7","7","7","1","6","1") = "6"
    & skf21("1","4","7","7","7","1","7","1") = "6"
    & skf21("1","4","7","7","7","2","1","1") = "6"
    & skf21("1","4","7","7","7","2","2","1") = "6"
    & skf21("1","4","7","7","7","2","3","1") = "6"
    & skf21("1","4","7","7","7","2","4","1") = "6"
    & skf21("1","4","7","7","7","2","5","1") = "6"
    & skf21("1","4","7","7","7","2","6","1") = "6"
    & skf21("1","4","7","7","7","2","7","1") = "6"
    & skf21("1","4","7","7","7","3","1","1") = "6"
    & skf21("1","4","7","7","7","3","2","1") = "6"
    & skf21("1","4","7","7","7","3","3","1") = "6"
    & skf21("1","4","7","7","7","3","4","1") = "6"
    & skf21("1","4","7","7","7","3","5","1") = "6"
    & skf21("1","4","7","7","7","3","6","1") = "6"
    & skf21("1","4","7","7","7","3","7","1") = "6"
    & skf21("1","4","7","7","7","4","1","1") = "6"
    & skf21("1","4","7","7","7","4","2","1") = "6"
    & skf21("1","4","7","7","7","4","3","1") = "6"
    & skf21("1","4","7","7","7","4","4","1") = "6"
    & skf21("1","4","7","7","7","4","5","1") = "6"
    & skf21("1","4","7","7","7","4","6","1") = "6"
    & skf21("1","4","7","7","7","4","7","1") = "6"
    & skf21("1","4","7","7","7","5","1","1") = "6"
    & skf21("1","4","7","7","7","5","2","1") = "6"
    & skf21("1","4","7","7","7","5","3","1") = "6"
    & skf21("1","4","7","7","7","5","4","1") = "6"
    & skf21("1","4","7","7","7","5","5","1") = "6"
    & skf21("1","4","7","7","7","5","6","1") = "6"
    & skf21("1","4","7","7","7","5","7","1") = "6"
    & skf21("1","4","7","7","7","6","1","1") = "6"
    & skf21("1","4","7","7","7","6","2","1") = "6"
    & skf21("1","4","7","7","7","6","3","1") = "6"
    & skf21("1","4","7","7","7","6","4","1") = "6"
    & skf21("1","4","7","7","7","6","5","1") = "6"
    & skf21("1","4","7","7","7","6","6","1") = "6"
    & skf21("1","4","7","7","7","6","7","1") = "6"
    & skf21("1","4","7","7","7","7","1","1") = "6"
    & skf21("1","4","7","7","7","7","2","1") = "6"
    & skf21("1","4","7","7","7","7","3","1") = "6"
    & skf21("1","4","7","7","7","7","4","1") = "6"
    & skf21("1","4","7","7","7","7","5","1") = "6"
    & skf21("1","4","7","7","7","7","6","1") = "6"
    & skf21("1","4","7","7","7","7","7","1") = "6"
    & skf21("1","5","1","1","1","1","1","1") = "4"
    & skf21("1","5","1","1","1","1","2","1") = "4"
    & skf21("1","5","1","1","1","1","3","1") = "4"
    & skf21("1","5","1","1","1","1","4","1") = "4"
    & skf21("1","5","1","1","1","1","5","1") = "4"
    & skf21("1","5","1","1","1","1","6","1") = "5"
    & skf21("1","5","1","1","1","1","7","1") = "6"
    & skf21("1","5","1","1","1","2","1","1") = "4"
    & skf21("1","5","1","1","1","2","2","1") = "4"
    & skf21("1","5","1","1","1","2","3","1") = "4"
    & skf21("1","5","1","1","1","2","4","1") = "4"
    & skf21("1","5","1","1","1","2","5","1") = "4"
    & skf21("1","5","1","1","1","2","6","1") = "5"
    & skf21("1","5","1","1","1","2","7","1") = "6"
    & skf21("1","5","1","1","1","3","1","1") = "4"
    & skf21("1","5","1","1","1","3","2","1") = "4"
    & skf21("1","5","1","1","1","3","3","1") = "4"
    & skf21("1","5","1","1","1","3","4","1") = "4"
    & skf21("1","5","1","1","1","3","5","1") = "4"
    & skf21("1","5","1","1","1","3","6","1") = "5"
    & skf21("1","5","1","1","1","3","7","1") = "6"
    & skf21("1","5","1","1","1","4","1","1") = "4"
    & skf21("1","5","1","1","1","4","2","1") = "4"
    & skf21("1","5","1","1","1","4","3","1") = "4"
    & skf21("1","5","1","1","1","4","4","1") = "4"
    & skf21("1","5","1","1","1","4","5","1") = "4"
    & skf21("1","5","1","1","1","4","6","1") = "5"
    & skf21("1","5","1","1","1","4","7","1") = "6"
    & skf21("1","5","1","1","1","5","1","1") = "4"
    & skf21("1","5","1","1","1","5","2","1") = "4"
    & skf21("1","5","1","1","1","5","3","1") = "4"
    & skf21("1","5","1","1","1","5","4","1") = "4"
    & skf21("1","5","1","1","1","5","5","1") = "4"
    & skf21("1","5","1","1","1","5","6","1") = "5"
    & skf21("1","5","1","1","1","5","7","1") = "6"
    & skf21("1","5","1","1","1","6","1","1") = "5"
    & skf21("1","5","1","1","1","6","2","1") = "5"
    & skf21("1","5","1","1","1","6","3","1") = "5"
    & skf21("1","5","1","1","1","6","4","1") = "5"
    & skf21("1","5","1","1","1","6","5","1") = "5"
    & skf21("1","5","1","1","1","6","6","1") = "5"
    & skf21("1","5","1","1","1","6","7","1") = "6"
    & skf21("1","5","1","1","1","7","1","1") = "6"
    & skf21("1","5","1","1","1","7","2","1") = "6"
    & skf21("1","5","1","1","1","7","3","1") = "6"
    & skf21("1","5","1","1","1","7","4","1") = "6"
    & skf21("1","5","1","1","1","7","5","1") = "6"
    & skf21("1","5","1","1","1","7","6","1") = "6"
    & skf21("1","5","1","1","1","7","7","1") = "6"
    & skf21("1","5","1","1","2","1","1","1") = "4"
    & skf21("1","5","1","1","2","1","2","1") = "4"
    & skf21("1","5","1","1","2","1","3","1") = "4"
    & skf21("1","5","1","1","2","1","4","1") = "4"
    & skf21("1","5","1","1","2","1","5","1") = "4"
    & skf21("1","5","1","1","2","1","6","1") = "5"
    & skf21("1","5","1","1","2","1","7","1") = "6"
    & skf21("1","5","1","1","2","2","1","1") = "4"
    & skf21("1","5","1","1","2","2","2","1") = "4"
    & skf21("1","5","1","1","2","2","3","1") = "4"
    & skf21("1","5","1","1","2","2","4","1") = "4"
    & skf21("1","5","1","1","2","2","5","1") = "4"
    & skf21("1","5","1","1","2","2","6","1") = "5"
    & skf21("1","5","1","1","2","2","7","1") = "6"
    & skf21("1","5","1","1","2","3","1","1") = "4"
    & skf21("1","5","1","1","2","3","2","1") = "4"
    & skf21("1","5","1","1","2","3","3","1") = "4"
    & skf21("1","5","1","1","2","3","4","1") = "4"
    & skf21("1","5","1","1","2","3","5","1") = "4"
    & skf21("1","5","1","1","2","3","6","1") = "5"
    & skf21("1","5","1","1","2","3","7","1") = "6"
    & skf21("1","5","1","1","2","4","1","1") = "4"
    & skf21("1","5","1","1","2","4","2","1") = "4"
    & skf21("1","5","1","1","2","4","3","1") = "4"
    & skf21("1","5","1","1","2","4","4","1") = "4"
    & skf21("1","5","1","1","2","4","5","1") = "4"
    & skf21("1","5","1","1","2","4","6","1") = "5"
    & skf21("1","5","1","1","2","4","7","1") = "6"
    & skf21("1","5","1","1","2","5","1","1") = "4"
    & skf21("1","5","1","1","2","5","2","1") = "4"
    & skf21("1","5","1","1","2","5","3","1") = "4"
    & skf21("1","5","1","1","2","5","4","1") = "4"
    & skf21("1","5","1","1","2","5","5","1") = "4"
    & skf21("1","5","1","1","2","5","6","1") = "5"
    & skf21("1","5","1","1","2","5","7","1") = "6"
    & skf21("1","5","1","1","2","6","1","1") = "5"
    & skf21("1","5","1","1","2","6","2","1") = "5"
    & skf21("1","5","1","1","2","6","3","1") = "5"
    & skf21("1","5","1","1","2","6","4","1") = "5"
    & skf21("1","5","1","1","2","6","5","1") = "5"
    & skf21("1","5","1","1","2","6","6","1") = "5"
    & skf21("1","5","1","1","2","6","7","1") = "6"
    & skf21("1","5","1","1","2","7","1","1") = "6"
    & skf21("1","5","1","1","2","7","2","1") = "6"
    & skf21("1","5","1","1","2","7","3","1") = "6"
    & skf21("1","5","1","1","2","7","4","1") = "6"
    & skf21("1","5","1","1","2","7","5","1") = "6"
    & skf21("1","5","1","1","2","7","6","1") = "6"
    & skf21("1","5","1","1","2","7","7","1") = "6"
    & skf21("1","5","1","1","3","1","1","1") = "4"
    & skf21("1","5","1","1","3","1","2","1") = "4"
    & skf21("1","5","1","1","3","1","3","1") = "4"
    & skf21("1","5","1","1","3","1","4","1") = "4"
    & skf21("1","5","1","1","3","1","5","1") = "4"
    & skf21("1","5","1","1","3","1","6","1") = "5"
    & skf21("1","5","1","1","3","1","7","1") = "6"
    & skf21("1","5","1","1","3","2","1","1") = "4"
    & skf21("1","5","1","1","3","2","2","1") = "4"
    & skf21("1","5","1","1","3","2","3","1") = "4"
    & skf21("1","5","1","1","3","2","4","1") = "4"
    & skf21("1","5","1","1","3","2","5","1") = "4"
    & skf21("1","5","1","1","3","2","6","1") = "5"
    & skf21("1","5","1","1","3","2","7","1") = "6"
    & skf21("1","5","1","1","3","3","1","1") = "4"
    & skf21("1","5","1","1","3","3","2","1") = "4"
    & skf21("1","5","1","1","3","3","3","1") = "4"
    & skf21("1","5","1","1","3","3","4","1") = "4"
    & skf21("1","5","1","1","3","3","5","1") = "4"
    & skf21("1","5","1","1","3","3","6","1") = "5"
    & skf21("1","5","1","1","3","3","7","1") = "6"
    & skf21("1","5","1","1","3","4","1","1") = "4"
    & skf21("1","5","1","1","3","4","2","1") = "4"
    & skf21("1","5","1","1","3","4","3","1") = "4"
    & skf21("1","5","1","1","3","4","4","1") = "4"
    & skf21("1","5","1","1","3","4","5","1") = "4"
    & skf21("1","5","1","1","3","4","6","1") = "5"
    & skf21("1","5","1","1","3","4","7","1") = "6"
    & skf21("1","5","1","1","3","5","1","1") = "4"
    & skf21("1","5","1","1","3","5","2","1") = "4"
    & skf21("1","5","1","1","3","5","3","1") = "4"
    & skf21("1","5","1","1","3","5","4","1") = "4"
    & skf21("1","5","1","1","3","5","5","1") = "4"
    & skf21("1","5","1","1","3","5","6","1") = "5"
    & skf21("1","5","1","1","3","5","7","1") = "6"
    & skf21("1","5","1","1","3","6","1","1") = "5"
    & skf21("1","5","1","1","3","6","2","1") = "5"
    & skf21("1","5","1","1","3","6","3","1") = "5"
    & skf21("1","5","1","1","3","6","4","1") = "5"
    & skf21("1","5","1","1","3","6","5","1") = "5"
    & skf21("1","5","1","1","3","6","6","1") = "5"
    & skf21("1","5","1","1","3","6","7","1") = "6"
    & skf21("1","5","1","1","3","7","1","1") = "6"
    & skf21("1","5","1","1","3","7","2","1") = "6"
    & skf21("1","5","1","1","3","7","3","1") = "6"
    & skf21("1","5","1","1","3","7","4","1") = "6"
    & skf21("1","5","1","1","3","7","5","1") = "6"
    & skf21("1","5","1","1","3","7","6","1") = "6"
    & skf21("1","5","1","1","3","7","7","1") = "6"
    & skf21("1","5","1","1","4","1","1","1") = "4"
    & skf21("1","5","1","1","4","1","2","1") = "4"
    & skf21("1","5","1","1","4","1","3","1") = "4"
    & skf21("1","5","1","1","4","1","4","1") = "4"
    & skf21("1","5","1","1","4","1","5","1") = "4"
    & skf21("1","5","1","1","4","1","6","1") = "5"
    & skf21("1","5","1","1","4","1","7","1") = "6"
    & skf21("1","5","1","1","4","2","1","1") = "4"
    & skf21("1","5","1","1","4","2","2","1") = "4"
    & skf21("1","5","1","1","4","2","3","1") = "4"
    & skf21("1","5","1","1","4","2","4","1") = "4"
    & skf21("1","5","1","1","4","2","5","1") = "4"
    & skf21("1","5","1","1","4","2","6","1") = "5"
    & skf21("1","5","1","1","4","2","7","1") = "6"
    & skf21("1","5","1","1","4","3","1","1") = "4"
    & skf21("1","5","1","1","4","3","2","1") = "4"
    & skf21("1","5","1","1","4","3","3","1") = "4"
    & skf21("1","5","1","1","4","3","4","1") = "4"
    & skf21("1","5","1","1","4","3","5","1") = "4"
    & skf21("1","5","1","1","4","3","6","1") = "5"
    & skf21("1","5","1","1","4","3","7","1") = "6"
    & skf21("1","5","1","1","4","4","1","1") = "4"
    & skf21("1","5","1","1","4","4","2","1") = "4"
    & skf21("1","5","1","1","4","4","3","1") = "4"
    & skf21("1","5","1","1","4","4","4","1") = "4"
    & skf21("1","5","1","1","4","4","5","1") = "4"
    & skf21("1","5","1","1","4","4","6","1") = "5"
    & skf21("1","5","1","1","4","4","7","1") = "6"
    & skf21("1","5","1","1","4","5","1","1") = "4"
    & skf21("1","5","1","1","4","5","2","1") = "4"
    & skf21("1","5","1","1","4","5","3","1") = "4"
    & skf21("1","5","1","1","4","5","4","1") = "4"
    & skf21("1","5","1","1","4","5","5","1") = "4"
    & skf21("1","5","1","1","4","5","6","1") = "5"
    & skf21("1","5","1","1","4","5","7","1") = "6"
    & skf21("1","5","1","1","4","6","1","1") = "5"
    & skf21("1","5","1","1","4","6","2","1") = "5"
    & skf21("1","5","1","1","4","6","3","1") = "5"
    & skf21("1","5","1","1","4","6","4","1") = "5"
    & skf21("1","5","1","1","4","6","5","1") = "5"
    & skf21("1","5","1","1","4","6","6","1") = "5"
    & skf21("1","5","1","1","4","6","7","1") = "6"
    & skf21("1","5","1","1","4","7","1","1") = "6"
    & skf21("1","5","1","1","4","7","2","1") = "6"
    & skf21("1","5","1","1","4","7","3","1") = "6"
    & skf21("1","5","1","1","4","7","4","1") = "6"
    & skf21("1","5","1","1","4","7","5","1") = "6"
    & skf21("1","5","1","1","4","7","6","1") = "6"
    & skf21("1","5","1","1","4","7","7","1") = "6"
    & skf21("1","5","1","1","5","1","1","1") = "4"
    & skf21("1","5","1","1","5","1","2","1") = "4"
    & skf21("1","5","1","1","5","1","3","1") = "4"
    & skf21("1","5","1","1","5","1","4","1") = "4"
    & skf21("1","5","1","1","5","1","5","1") = "4"
    & skf21("1","5","1","1","5","1","6","1") = "5"
    & skf21("1","5","1","1","5","1","7","1") = "6"
    & skf21("1","5","1","1","5","2","1","1") = "4"
    & skf21("1","5","1","1","5","2","2","1") = "4"
    & skf21("1","5","1","1","5","2","3","1") = "4"
    & skf21("1","5","1","1","5","2","4","1") = "4"
    & skf21("1","5","1","1","5","2","5","1") = "4"
    & skf21("1","5","1","1","5","2","6","1") = "5"
    & skf21("1","5","1","1","5","2","7","1") = "6"
    & skf21("1","5","1","1","5","3","1","1") = "4"
    & skf21("1","5","1","1","5","3","2","1") = "4"
    & skf21("1","5","1","1","5","3","3","1") = "4"
    & skf21("1","5","1","1","5","3","4","1") = "4"
    & skf21("1","5","1","1","5","3","5","1") = "4"
    & skf21("1","5","1","1","5","3","6","1") = "5"
    & skf21("1","5","1","1","5","3","7","1") = "6"
    & skf21("1","5","1","1","5","4","1","1") = "4"
    & skf21("1","5","1","1","5","4","2","1") = "4"
    & skf21("1","5","1","1","5","4","3","1") = "4"
    & skf21("1","5","1","1","5","4","4","1") = "4"
    & skf21("1","5","1","1","5","4","5","1") = "4"
    & skf21("1","5","1","1","5","4","6","1") = "5"
    & skf21("1","5","1","1","5","4","7","1") = "6"
    & skf21("1","5","1","1","5","5","1","1") = "4"
    & skf21("1","5","1","1","5","5","2","1") = "4"
    & skf21("1","5","1","1","5","5","3","1") = "4"
    & skf21("1","5","1","1","5","5","4","1") = "4"
    & skf21("1","5","1","1","5","5","5","1") = "4"
    & skf21("1","5","1","1","5","5","6","1") = "5"
    & skf21("1","5","1","1","5","5","7","1") = "6"
    & skf21("1","5","1","1","5","6","1","1") = "5"
    & skf21("1","5","1","1","5","6","2","1") = "5"
    & skf21("1","5","1","1","5","6","3","1") = "5"
    & skf21("1","5","1","1","5","6","4","1") = "5"
    & skf21("1","5","1","1","5","6","5","1") = "5"
    & skf21("1","5","1","1","5","6","6","1") = "5"
    & skf21("1","5","1","1","5","6","7","1") = "6"
    & skf21("1","5","1","1","5","7","1","1") = "6"
    & skf21("1","5","1","1","5","7","2","1") = "6"
    & skf21("1","5","1","1","5","7","3","1") = "6"
    & skf21("1","5","1","1","5","7","4","1") = "6"
    & skf21("1","5","1","1","5","7","5","1") = "6"
    & skf21("1","5","1","1","5","7","6","1") = "6"
    & skf21("1","5","1","1","5","7","7","1") = "6"
    & skf21("1","5","1","1","6","1","1","1") = "5"
    & skf21("1","5","1","1","6","1","2","1") = "5"
    & skf21("1","5","1","1","6","1","3","1") = "5"
    & skf21("1","5","1","1","6","1","4","1") = "5"
    & skf21("1","5","1","1","6","1","5","1") = "5"
    & skf21("1","5","1","1","6","1","6","1") = "5"
    & skf21("1","5","1","1","6","1","7","1") = "6"
    & skf21("1","5","1","1","6","2","1","1") = "5"
    & skf21("1","5","1","1","6","2","2","1") = "5"
    & skf21("1","5","1","1","6","2","3","1") = "5"
    & skf21("1","5","1","1","6","2","4","1") = "5"
    & skf21("1","5","1","1","6","2","5","1") = "5"
    & skf21("1","5","1","1","6","2","6","1") = "5"
    & skf21("1","5","1","1","6","2","7","1") = "6"
    & skf21("1","5","1","1","6","3","1","1") = "5"
    & skf21("1","5","1","1","6","3","2","1") = "5"
    & skf21("1","5","1","1","6","3","3","1") = "5"
    & skf21("1","5","1","1","6","3","4","1") = "5"
    & skf21("1","5","1","1","6","3","5","1") = "5"
    & skf21("1","5","1","1","6","3","6","1") = "5"
    & skf21("1","5","1","1","6","3","7","1") = "6"
    & skf21("1","5","1","1","6","4","1","1") = "5"
    & skf21("1","5","1","1","6","4","2","1") = "5"
    & skf21("1","5","1","1","6","4","3","1") = "5"
    & skf21("1","5","1","1","6","4","4","1") = "5"
    & skf21("1","5","1","1","6","4","5","1") = "5"
    & skf21("1","5","1","1","6","4","6","1") = "5"
    & skf21("1","5","1","1","6","4","7","1") = "6"
    & skf21("1","5","1","1","6","5","1","1") = "5"
    & skf21("1","5","1","1","6","5","2","1") = "5"
    & skf21("1","5","1","1","6","5","3","1") = "5"
    & skf21("1","5","1","1","6","5","4","1") = "5"
    & skf21("1","5","1","1","6","5","5","1") = "5"
    & skf21("1","5","1","1","6","5","6","1") = "5"
    & skf21("1","5","1","1","6","5","7","1") = "6"
    & skf21("1","5","1","1","6","6","1","1") = "5"
    & skf21("1","5","1","1","6","6","2","1") = "5"
    & skf21("1","5","1","1","6","6","3","1") = "5"
    & skf21("1","5","1","1","6","6","4","1") = "5"
    & skf21("1","5","1","1","6","6","5","1") = "5"
    & skf21("1","5","1","1","6","6","6","1") = "5"
    & skf21("1","5","1","1","6","6","7","1") = "6"
    & skf21("1","5","1","1","6","7","1","1") = "6"
    & skf21("1","5","1","1","6","7","2","1") = "6"
    & skf21("1","5","1","1","6","7","3","1") = "6"
    & skf21("1","5","1","1","6","7","4","1") = "6"
    & skf21("1","5","1","1","6","7","5","1") = "6"
    & skf21("1","5","1","1","6","7","6","1") = "6"
    & skf21("1","5","1","1","6","7","7","1") = "6"
    & skf21("1","5","1","1","7","1","1","1") = "6"
    & skf21("1","5","1","1","7","1","2","1") = "6"
    & skf21("1","5","1","1","7","1","3","1") = "6"
    & skf21("1","5","1","1","7","1","4","1") = "6"
    & skf21("1","5","1","1","7","1","5","1") = "6"
    & skf21("1","5","1","1","7","1","6","1") = "6"
    & skf21("1","5","1","1","7","1","7","1") = "6"
    & skf21("1","5","1","1","7","2","1","1") = "6"
    & skf21("1","5","1","1","7","2","2","1") = "6"
    & skf21("1","5","1","1","7","2","3","1") = "6"
    & skf21("1","5","1","1","7","2","4","1") = "6"
    & skf21("1","5","1","1","7","2","5","1") = "6"
    & skf21("1","5","1","1","7","2","6","1") = "6"
    & skf21("1","5","1","1","7","2","7","1") = "6"
    & skf21("1","5","1","1","7","3","1","1") = "6"
    & skf21("1","5","1","1","7","3","2","1") = "6"
    & skf21("1","5","1","1","7","3","3","1") = "6"
    & skf21("1","5","1","1","7","3","4","1") = "6"
    & skf21("1","5","1","1","7","3","5","1") = "6"
    & skf21("1","5","1","1","7","3","6","1") = "6"
    & skf21("1","5","1","1","7","3","7","1") = "6"
    & skf21("1","5","1","1","7","4","1","1") = "6"
    & skf21("1","5","1","1","7","4","2","1") = "6"
    & skf21("1","5","1","1","7","4","3","1") = "6"
    & skf21("1","5","1","1","7","4","4","1") = "6"
    & skf21("1","5","1","1","7","4","5","1") = "6"
    & skf21("1","5","1","1","7","4","6","1") = "6"
    & skf21("1","5","1","1","7","4","7","1") = "6"
    & skf21("1","5","1","1","7","5","1","1") = "6"
    & skf21("1","5","1","1","7","5","2","1") = "6"
    & skf21("1","5","1","1","7","5","3","1") = "6"
    & skf21("1","5","1","1","7","5","4","1") = "6"
    & skf21("1","5","1","1","7","5","5","1") = "6"
    & skf21("1","5","1","1","7","5","6","1") = "6"
    & skf21("1","5","1","1","7","5","7","1") = "6"
    & skf21("1","5","1","1","7","6","1","1") = "6"
    & skf21("1","5","1","1","7","6","2","1") = "6"
    & skf21("1","5","1","1","7","6","3","1") = "6"
    & skf21("1","5","1","1","7","6","4","1") = "6"
    & skf21("1","5","1","1","7","6","5","1") = "6"
    & skf21("1","5","1","1","7","6","6","1") = "6"
    & skf21("1","5","1","1","7","6","7","1") = "6"
    & skf21("1","5","1","1","7","7","1","1") = "6"
    & skf21("1","5","1","1","7","7","2","1") = "6"
    & skf21("1","5","1","1","7","7","3","1") = "6"
    & skf21("1","5","1","1","7","7","4","1") = "6"
    & skf21("1","5","1","1","7","7","5","1") = "6"
    & skf21("1","5","1","1","7","7","6","1") = "6"
    & skf21("1","5","1","1","7","7","7","1") = "6"
    & skf21("1","5","1","2","1","1","1","1") = "4"
    & skf21("1","5","1","2","1","1","2","1") = "4"
    & skf21("1","5","1","2","1","1","3","1") = "4"
    & skf21("1","5","1","2","1","1","4","1") = "4"
    & skf21("1","5","1","2","1","1","5","1") = "4"
    & skf21("1","5","1","2","1","1","6","1") = "5"
    & skf21("1","5","1","2","1","1","7","1") = "6"
    & skf21("1","5","1","2","1","2","1","1") = "4"
    & skf21("1","5","1","2","1","2","2","1") = "4"
    & skf21("1","5","1","2","1","2","3","1") = "4"
    & skf21("1","5","1","2","1","2","4","1") = "4"
    & skf21("1","5","1","2","1","2","5","1") = "4"
    & skf21("1","5","1","2","1","2","6","1") = "5"
    & skf21("1","5","1","2","1","2","7","1") = "6"
    & skf21("1","5","1","2","1","3","1","1") = "4"
    & skf21("1","5","1","2","1","3","2","1") = "4"
    & skf21("1","5","1","2","1","3","3","1") = "4"
    & skf21("1","5","1","2","1","3","4","1") = "4"
    & skf21("1","5","1","2","1","3","5","1") = "4"
    & skf21("1","5","1","2","1","3","6","1") = "5"
    & skf21("1","5","1","2","1","3","7","1") = "6"
    & skf21("1","5","1","2","1","4","1","1") = "4"
    & skf21("1","5","1","2","1","4","2","1") = "4"
    & skf21("1","5","1","2","1","4","3","1") = "4"
    & skf21("1","5","1","2","1","4","4","1") = "4"
    & skf21("1","5","1","2","1","4","5","1") = "4"
    & skf21("1","5","1","2","1","4","6","1") = "5"
    & skf21("1","5","1","2","1","4","7","1") = "6"
    & skf21("1","5","1","2","1","5","1","1") = "4"
    & skf21("1","5","1","2","1","5","2","1") = "4"
    & skf21("1","5","1","2","1","5","3","1") = "4"
    & skf21("1","5","1","2","1","5","4","1") = "4"
    & skf21("1","5","1","2","1","5","5","1") = "4"
    & skf21("1","5","1","2","1","5","6","1") = "5"
    & skf21("1","5","1","2","1","5","7","1") = "6"
    & skf21("1","5","1","2","1","6","1","1") = "5"
    & skf21("1","5","1","2","1","6","2","1") = "5"
    & skf21("1","5","1","2","1","6","3","1") = "5"
    & skf21("1","5","1","2","1","6","4","1") = "5"
    & skf21("1","5","1","2","1","6","5","1") = "5"
    & skf21("1","5","1","2","1","6","6","1") = "5"
    & skf21("1","5","1","2","1","6","7","1") = "6"
    & skf21("1","5","1","2","1","7","1","1") = "6"
    & skf21("1","5","1","2","1","7","2","1") = "6"
    & skf21("1","5","1","2","1","7","3","1") = "6"
    & skf21("1","5","1","2","1","7","4","1") = "6"
    & skf21("1","5","1","2","1","7","5","1") = "6"
    & skf21("1","5","1","2","1","7","6","1") = "6"
    & skf21("1","5","1","2","1","7","7","1") = "6"
    & skf21("1","5","1","2","2","1","1","1") = "4"
    & skf21("1","5","1","2","2","1","2","1") = "4"
    & skf21("1","5","1","2","2","1","3","1") = "4"
    & skf21("1","5","1","2","2","1","4","1") = "4"
    & skf21("1","5","1","2","2","1","5","1") = "4"
    & skf21("1","5","1","2","2","1","6","1") = "5"
    & skf21("1","5","1","2","2","1","7","1") = "6"
    & skf21("1","5","1","2","2","2","1","1") = "4"
    & skf21("1","5","1","2","2","2","2","1") = "4"
    & skf21("1","5","1","2","2","2","3","1") = "4"
    & skf21("1","5","1","2","2","2","4","1") = "4"
    & skf21("1","5","1","2","2","2","5","1") = "4"
    & skf21("1","5","1","2","2","2","6","1") = "5"
    & skf21("1","5","1","2","2","2","7","1") = "6"
    & skf21("1","5","1","2","2","3","1","1") = "4"
    & skf21("1","5","1","2","2","3","2","1") = "4"
    & skf21("1","5","1","2","2","3","3","1") = "4"
    & skf21("1","5","1","2","2","3","4","1") = "4"
    & skf21("1","5","1","2","2","3","5","1") = "4"
    & skf21("1","5","1","2","2","3","6","1") = "5"
    & skf21("1","5","1","2","2","3","7","1") = "6"
    & skf21("1","5","1","2","2","4","1","1") = "4"
    & skf21("1","5","1","2","2","4","2","1") = "4"
    & skf21("1","5","1","2","2","4","3","1") = "4"
    & skf21("1","5","1","2","2","4","4","1") = "4"
    & skf21("1","5","1","2","2","4","5","1") = "4"
    & skf21("1","5","1","2","2","4","6","1") = "5"
    & skf21("1","5","1","2","2","4","7","1") = "6"
    & skf21("1","5","1","2","2","5","1","1") = "4"
    & skf21("1","5","1","2","2","5","2","1") = "4"
    & skf21("1","5","1","2","2","5","3","1") = "4"
    & skf21("1","5","1","2","2","5","4","1") = "4"
    & skf21("1","5","1","2","2","5","5","1") = "4"
    & skf21("1","5","1","2","2","5","6","1") = "5"
    & skf21("1","5","1","2","2","5","7","1") = "6"
    & skf21("1","5","1","2","2","6","1","1") = "5"
    & skf21("1","5","1","2","2","6","2","1") = "5"
    & skf21("1","5","1","2","2","6","3","1") = "5"
    & skf21("1","5","1","2","2","6","4","1") = "5"
    & skf21("1","5","1","2","2","6","5","1") = "5"
    & skf21("1","5","1","2","2","6","6","1") = "5"
    & skf21("1","5","1","2","2","6","7","1") = "6"
    & skf21("1","5","1","2","2","7","1","1") = "6"
    & skf21("1","5","1","2","2","7","2","1") = "6"
    & skf21("1","5","1","2","2","7","3","1") = "6"
    & skf21("1","5","1","2","2","7","4","1") = "6"
    & skf21("1","5","1","2","2","7","5","1") = "6"
    & skf21("1","5","1","2","2","7","6","1") = "6"
    & skf21("1","5","1","2","2","7","7","1") = "6"
    & skf21("1","5","1","2","3","1","1","1") = "4"
    & skf21("1","5","1","2","3","1","2","1") = "4"
    & skf21("1","5","1","2","3","1","3","1") = "4"
    & skf21("1","5","1","2","3","1","4","1") = "4"
    & skf21("1","5","1","2","3","1","5","1") = "4"
    & skf21("1","5","1","2","3","1","6","1") = "5"
    & skf21("1","5","1","2","3","1","7","1") = "6"
    & skf21("1","5","1","2","3","2","1","1") = "4"
    & skf21("1","5","1","2","3","2","2","1") = "4"
    & skf21("1","5","1","2","3","2","3","1") = "4"
    & skf21("1","5","1","2","3","2","4","1") = "4"
    & skf21("1","5","1","2","3","2","5","1") = "4"
    & skf21("1","5","1","2","3","2","6","1") = "5"
    & skf21("1","5","1","2","3","2","7","1") = "6"
    & skf21("1","5","1","2","3","3","1","1") = "4"
    & skf21("1","5","1","2","3","3","2","1") = "4"
    & skf21("1","5","1","2","3","3","3","1") = "4"
    & skf21("1","5","1","2","3","3","4","1") = "4"
    & skf21("1","5","1","2","3","3","5","1") = "4"
    & skf21("1","5","1","2","3","3","6","1") = "5"
    & skf21("1","5","1","2","3","3","7","1") = "6"
    & skf21("1","5","1","2","3","4","1","1") = "4"
    & skf21("1","5","1","2","3","4","2","1") = "4"
    & skf21("1","5","1","2","3","4","3","1") = "4"
    & skf21("1","5","1","2","3","4","4","1") = "4"
    & skf21("1","5","1","2","3","4","5","1") = "4"
    & skf21("1","5","1","2","3","4","6","1") = "5"
    & skf21("1","5","1","2","3","4","7","1") = "6"
    & skf21("1","5","1","2","3","5","1","1") = "4"
    & skf21("1","5","1","2","3","5","2","1") = "4"
    & skf21("1","5","1","2","3","5","3","1") = "4"
    & skf21("1","5","1","2","3","5","4","1") = "4"
    & skf21("1","5","1","2","3","5","5","1") = "4"
    & skf21("1","5","1","2","3","5","6","1") = "5"
    & skf21("1","5","1","2","3","5","7","1") = "6"
    & skf21("1","5","1","2","3","6","1","1") = "5"
    & skf21("1","5","1","2","3","6","2","1") = "5"
    & skf21("1","5","1","2","3","6","3","1") = "5"
    & skf21("1","5","1","2","3","6","4","1") = "5"
    & skf21("1","5","1","2","3","6","5","1") = "5"
    & skf21("1","5","1","2","3","6","6","1") = "5"
    & skf21("1","5","1","2","3","6","7","1") = "6"
    & skf21("1","5","1","2","3","7","1","1") = "6"
    & skf21("1","5","1","2","3","7","2","1") = "6"
    & skf21("1","5","1","2","3","7","3","1") = "6"
    & skf21("1","5","1","2","3","7","4","1") = "6"
    & skf21("1","5","1","2","3","7","5","1") = "6"
    & skf21("1","5","1","2","3","7","6","1") = "6"
    & skf21("1","5","1","2","3","7","7","1") = "6"
    & skf21("1","5","1","2","4","1","1","1") = "4"
    & skf21("1","5","1","2","4","1","2","1") = "4"
    & skf21("1","5","1","2","4","1","3","1") = "4"
    & skf21("1","5","1","2","4","1","4","1") = "4"
    & skf21("1","5","1","2","4","1","5","1") = "4"
    & skf21("1","5","1","2","4","1","6","1") = "5"
    & skf21("1","5","1","2","4","1","7","1") = "6"
    & skf21("1","5","1","2","4","2","1","1") = "4"
    & skf21("1","5","1","2","4","2","2","1") = "4"
    & skf21("1","5","1","2","4","2","3","1") = "4"
    & skf21("1","5","1","2","4","2","4","1") = "4"
    & skf21("1","5","1","2","4","2","5","1") = "4"
    & skf21("1","5","1","2","4","2","6","1") = "5"
    & skf21("1","5","1","2","4","2","7","1") = "6"
    & skf21("1","5","1","2","4","3","1","1") = "4"
    & skf21("1","5","1","2","4","3","2","1") = "4"
    & skf21("1","5","1","2","4","3","3","1") = "4"
    & skf21("1","5","1","2","4","3","4","1") = "4"
    & skf21("1","5","1","2","4","3","5","1") = "4"
    & skf21("1","5","1","2","4","3","6","1") = "5"
    & skf21("1","5","1","2","4","3","7","1") = "6"
    & skf21("1","5","1","2","4","4","1","1") = "4"
    & skf21("1","5","1","2","4","4","2","1") = "4"
    & skf21("1","5","1","2","4","4","3","1") = "4"
    & skf21("1","5","1","2","4","4","4","1") = "4"
    & skf21("1","5","1","2","4","4","5","1") = "4"
    & skf21("1","5","1","2","4","4","6","1") = "5"
    & skf21("1","5","1","2","4","4","7","1") = "6"
    & skf21("1","5","1","2","4","5","1","1") = "4"
    & skf21("1","5","1","2","4","5","2","1") = "4"
    & skf21("1","5","1","2","4","5","3","1") = "4"
    & skf21("1","5","1","2","4","5","4","1") = "4"
    & skf21("1","5","1","2","4","5","5","1") = "4"
    & skf21("1","5","1","2","4","5","6","1") = "5"
    & skf21("1","5","1","2","4","5","7","1") = "6"
    & skf21("1","5","1","2","4","6","1","1") = "5"
    & skf21("1","5","1","2","4","6","2","1") = "5"
    & skf21("1","5","1","2","4","6","3","1") = "5"
    & skf21("1","5","1","2","4","6","4","1") = "5"
    & skf21("1","5","1","2","4","6","5","1") = "5"
    & skf21("1","5","1","2","4","6","6","1") = "5"
    & skf21("1","5","1","2","4","6","7","1") = "6"
    & skf21("1","5","1","2","4","7","1","1") = "6"
    & skf21("1","5","1","2","4","7","2","1") = "6"
    & skf21("1","5","1","2","4","7","3","1") = "6"
    & skf21("1","5","1","2","4","7","4","1") = "6"
    & skf21("1","5","1","2","4","7","5","1") = "6"
    & skf21("1","5","1","2","4","7","6","1") = "6"
    & skf21("1","5","1","2","4","7","7","1") = "6"
    & skf21("1","5","1","2","5","1","1","1") = "4"
    & skf21("1","5","1","2","5","1","2","1") = "4"
    & skf21("1","5","1","2","5","1","3","1") = "4"
    & skf21("1","5","1","2","5","1","4","1") = "4"
    & skf21("1","5","1","2","5","1","5","1") = "4"
    & skf21("1","5","1","2","5","1","6","1") = "5"
    & skf21("1","5","1","2","5","1","7","1") = "6"
    & skf21("1","5","1","2","5","2","1","1") = "4"
    & skf21("1","5","1","2","5","2","2","1") = "4"
    & skf21("1","5","1","2","5","2","3","1") = "4"
    & skf21("1","5","1","2","5","2","4","1") = "4"
    & skf21("1","5","1","2","5","2","5","1") = "4"
    & skf21("1","5","1","2","5","2","6","1") = "5"
    & skf21("1","5","1","2","5","2","7","1") = "6"
    & skf21("1","5","1","2","5","3","1","1") = "4"
    & skf21("1","5","1","2","5","3","2","1") = "4"
    & skf21("1","5","1","2","5","3","3","1") = "4"
    & skf21("1","5","1","2","5","3","4","1") = "4"
    & skf21("1","5","1","2","5","3","5","1") = "4"
    & skf21("1","5","1","2","5","3","6","1") = "5"
    & skf21("1","5","1","2","5","3","7","1") = "6"
    & skf21("1","5","1","2","5","4","1","1") = "4"
    & skf21("1","5","1","2","5","4","2","1") = "4"
    & skf21("1","5","1","2","5","4","3","1") = "4"
    & skf21("1","5","1","2","5","4","4","1") = "4"
    & skf21("1","5","1","2","5","4","5","1") = "4"
    & skf21("1","5","1","2","5","4","6","1") = "5"
    & skf21("1","5","1","2","5","4","7","1") = "6"
    & skf21("1","5","1","2","5","5","1","1") = "4"
    & skf21("1","5","1","2","5","5","2","1") = "4"
    & skf21("1","5","1","2","5","5","3","1") = "4"
    & skf21("1","5","1","2","5","5","4","1") = "4"
    & skf21("1","5","1","2","5","5","5","1") = "4"
    & skf21("1","5","1","2","5","5","6","1") = "5"
    & skf21("1","5","1","2","5","5","7","1") = "6"
    & skf21("1","5","1","2","5","6","1","1") = "5"
    & skf21("1","5","1","2","5","6","2","1") = "5"
    & skf21("1","5","1","2","5","6","3","1") = "5"
    & skf21("1","5","1","2","5","6","4","1") = "5"
    & skf21("1","5","1","2","5","6","5","1") = "5"
    & skf21("1","5","1","2","5","6","6","1") = "5"
    & skf21("1","5","1","2","5","6","7","1") = "6"
    & skf21("1","5","1","2","5","7","1","1") = "6"
    & skf21("1","5","1","2","5","7","2","1") = "6"
    & skf21("1","5","1","2","5","7","3","1") = "6"
    & skf21("1","5","1","2","5","7","4","1") = "6"
    & skf21("1","5","1","2","5","7","5","1") = "6"
    & skf21("1","5","1","2","5","7","6","1") = "6"
    & skf21("1","5","1","2","5","7","7","1") = "6"
    & skf21("1","5","1","2","6","1","1","1") = "5"
    & skf21("1","5","1","2","6","1","2","1") = "5"
    & skf21("1","5","1","2","6","1","3","1") = "5"
    & skf21("1","5","1","2","6","1","4","1") = "5"
    & skf21("1","5","1","2","6","1","5","1") = "5"
    & skf21("1","5","1","2","6","1","6","1") = "5"
    & skf21("1","5","1","2","6","1","7","1") = "6"
    & skf21("1","5","1","2","6","2","1","1") = "5"
    & skf21("1","5","1","2","6","2","2","1") = "5"
    & skf21("1","5","1","2","6","2","3","1") = "5"
    & skf21("1","5","1","2","6","2","4","1") = "5"
    & skf21("1","5","1","2","6","2","5","1") = "5"
    & skf21("1","5","1","2","6","2","6","1") = "5"
    & skf21("1","5","1","2","6","2","7","1") = "6"
    & skf21("1","5","1","2","6","3","1","1") = "5"
    & skf21("1","5","1","2","6","3","2","1") = "5"
    & skf21("1","5","1","2","6","3","3","1") = "5"
    & skf21("1","5","1","2","6","3","4","1") = "5"
    & skf21("1","5","1","2","6","3","5","1") = "5"
    & skf21("1","5","1","2","6","3","6","1") = "5"
    & skf21("1","5","1","2","6","3","7","1") = "6"
    & skf21("1","5","1","2","6","4","1","1") = "5"
    & skf21("1","5","1","2","6","4","2","1") = "5"
    & skf21("1","5","1","2","6","4","3","1") = "5"
    & skf21("1","5","1","2","6","4","4","1") = "5"
    & skf21("1","5","1","2","6","4","5","1") = "5"
    & skf21("1","5","1","2","6","4","6","1") = "5"
    & skf21("1","5","1","2","6","4","7","1") = "6"
    & skf21("1","5","1","2","6","5","1","1") = "5"
    & skf21("1","5","1","2","6","5","2","1") = "5"
    & skf21("1","5","1","2","6","5","3","1") = "5"
    & skf21("1","5","1","2","6","5","4","1") = "5"
    & skf21("1","5","1","2","6","5","5","1") = "5"
    & skf21("1","5","1","2","6","5","6","1") = "5"
    & skf21("1","5","1","2","6","5","7","1") = "6"
    & skf21("1","5","1","2","6","6","1","1") = "5"
    & skf21("1","5","1","2","6","6","2","1") = "5"
    & skf21("1","5","1","2","6","6","3","1") = "5"
    & skf21("1","5","1","2","6","6","4","1") = "5"
    & skf21("1","5","1","2","6","6","5","1") = "5"
    & skf21("1","5","1","2","6","6","6","1") = "5"
    & skf21("1","5","1","2","6","6","7","1") = "6"
    & skf21("1","5","1","2","6","7","1","1") = "6"
    & skf21("1","5","1","2","6","7","2","1") = "6"
    & skf21("1","5","1","2","6","7","3","1") = "6"
    & skf21("1","5","1","2","6","7","4","1") = "6"
    & skf21("1","5","1","2","6","7","5","1") = "6"
    & skf21("1","5","1","2","6","7","6","1") = "6"
    & skf21("1","5","1","2","6","7","7","1") = "6"
    & skf21("1","5","1","2","7","1","1","1") = "6"
    & skf21("1","5","1","2","7","1","2","1") = "6"
    & skf21("1","5","1","2","7","1","3","1") = "6"
    & skf21("1","5","1","2","7","1","4","1") = "6"
    & skf21("1","5","1","2","7","1","5","1") = "6"
    & skf21("1","5","1","2","7","1","6","1") = "6"
    & skf21("1","5","1","2","7","1","7","1") = "6"
    & skf21("1","5","1","2","7","2","1","1") = "6"
    & skf21("1","5","1","2","7","2","2","1") = "6"
    & skf21("1","5","1","2","7","2","3","1") = "6"
    & skf21("1","5","1","2","7","2","4","1") = "6"
    & skf21("1","5","1","2","7","2","5","1") = "6"
    & skf21("1","5","1","2","7","2","6","1") = "6"
    & skf21("1","5","1","2","7","2","7","1") = "6"
    & skf21("1","5","1","2","7","3","1","1") = "6"
    & skf21("1","5","1","2","7","3","2","1") = "6"
    & skf21("1","5","1","2","7","3","3","1") = "6"
    & skf21("1","5","1","2","7","3","4","1") = "6"
    & skf21("1","5","1","2","7","3","5","1") = "6"
    & skf21("1","5","1","2","7","3","6","1") = "6"
    & skf21("1","5","1","2","7","3","7","1") = "6"
    & skf21("1","5","1","2","7","4","1","1") = "6"
    & skf21("1","5","1","2","7","4","2","1") = "6"
    & skf21("1","5","1","2","7","4","3","1") = "6"
    & skf21("1","5","1","2","7","4","4","1") = "6"
    & skf21("1","5","1","2","7","4","5","1") = "6"
    & skf21("1","5","1","2","7","4","6","1") = "6"
    & skf21("1","5","1","2","7","4","7","1") = "6"
    & skf21("1","5","1","2","7","5","1","1") = "6"
    & skf21("1","5","1","2","7","5","2","1") = "6"
    & skf21("1","5","1","2","7","5","3","1") = "6"
    & skf21("1","5","1","2","7","5","4","1") = "6"
    & skf21("1","5","1","2","7","5","5","1") = "6"
    & skf21("1","5","1","2","7","5","6","1") = "6"
    & skf21("1","5","1","2","7","5","7","1") = "6"
    & skf21("1","5","1","2","7","6","1","1") = "6"
    & skf21("1","5","1","2","7","6","2","1") = "6"
    & skf21("1","5","1","2","7","6","3","1") = "6"
    & skf21("1","5","1","2","7","6","4","1") = "6"
    & skf21("1","5","1","2","7","6","5","1") = "6"
    & skf21("1","5","1","2","7","6","6","1") = "6"
    & skf21("1","5","1","2","7","6","7","1") = "6"
    & skf21("1","5","1","2","7","7","1","1") = "6"
    & skf21("1","5","1","2","7","7","2","1") = "6"
    & skf21("1","5","1","2","7","7","3","1") = "6"
    & skf21("1","5","1","2","7","7","4","1") = "6"
    & skf21("1","5","1","2","7","7","5","1") = "6"
    & skf21("1","5","1","2","7","7","6","1") = "6"
    & skf21("1","5","1","2","7","7","7","1") = "6"
    & skf21("1","5","1","3","1","1","1","1") = "4"
    & skf21("1","5","1","3","1","1","2","1") = "4"
    & skf21("1","5","1","3","1","1","3","1") = "4"
    & skf21("1","5","1","3","1","1","4","1") = "4"
    & skf21("1","5","1","3","1","1","5","1") = "4"
    & skf21("1","5","1","3","1","1","6","1") = "5"
    & skf21("1","5","1","3","1","1","7","1") = "6"
    & skf21("1","5","1","3","1","2","1","1") = "4"
    & skf21("1","5","1","3","1","2","2","1") = "4"
    & skf21("1","5","1","3","1","2","3","1") = "4"
    & skf21("1","5","1","3","1","2","4","1") = "4"
    & skf21("1","5","1","3","1","2","5","1") = "4"
    & skf21("1","5","1","3","1","2","6","1") = "5"
    & skf21("1","5","1","3","1","2","7","1") = "6"
    & skf21("1","5","1","3","1","3","1","1") = "4"
    & skf21("1","5","1","3","1","3","2","1") = "4"
    & skf21("1","5","1","3","1","3","3","1") = "4"
    & skf21("1","5","1","3","1","3","4","1") = "4"
    & skf21("1","5","1","3","1","3","5","1") = "4"
    & skf21("1","5","1","3","1","3","6","1") = "5"
    & skf21("1","5","1","3","1","3","7","1") = "6"
    & skf21("1","5","1","3","1","4","1","1") = "4"
    & skf21("1","5","1","3","1","4","2","1") = "4"
    & skf21("1","5","1","3","1","4","3","1") = "4"
    & skf21("1","5","1","3","1","4","4","1") = "4"
    & skf21("1","5","1","3","1","4","5","1") = "4"
    & skf21("1","5","1","3","1","4","6","1") = "5"
    & skf21("1","5","1","3","1","4","7","1") = "6"
    & skf21("1","5","1","3","1","5","1","1") = "4"
    & skf21("1","5","1","3","1","5","2","1") = "4"
    & skf21("1","5","1","3","1","5","3","1") = "4"
    & skf21("1","5","1","3","1","5","4","1") = "4"
    & skf21("1","5","1","3","1","5","5","1") = "4"
    & skf21("1","5","1","3","1","5","6","1") = "5"
    & skf21("1","5","1","3","1","5","7","1") = "6"
    & skf21("1","5","1","3","1","6","1","1") = "5"
    & skf21("1","5","1","3","1","6","2","1") = "5"
    & skf21("1","5","1","3","1","6","3","1") = "5"
    & skf21("1","5","1","3","1","6","4","1") = "5"
    & skf21("1","5","1","3","1","6","5","1") = "5"
    & skf21("1","5","1","3","1","6","6","1") = "5"
    & skf21("1","5","1","3","1","6","7","1") = "6"
    & skf21("1","5","1","3","1","7","1","1") = "6"
    & skf21("1","5","1","3","1","7","2","1") = "6"
    & skf21("1","5","1","3","1","7","3","1") = "6"
    & skf21("1","5","1","3","1","7","4","1") = "6"
    & skf21("1","5","1","3","1","7","5","1") = "6"
    & skf21("1","5","1","3","1","7","6","1") = "6"
    & skf21("1","5","1","3","1","7","7","1") = "6"
    & skf21("1","5","1","3","2","1","1","1") = "4"
    & skf21("1","5","1","3","2","1","2","1") = "4"
    & skf21("1","5","1","3","2","1","3","1") = "4"
    & skf21("1","5","1","3","2","1","4","1") = "4"
    & skf21("1","5","1","3","2","1","5","1") = "4"
    & skf21("1","5","1","3","2","1","6","1") = "5"
    & skf21("1","5","1","3","2","1","7","1") = "6"
    & skf21("1","5","1","3","2","2","1","1") = "4"
    & skf21("1","5","1","3","2","2","2","1") = "4"
    & skf21("1","5","1","3","2","2","3","1") = "4"
    & skf21("1","5","1","3","2","2","4","1") = "4"
    & skf21("1","5","1","3","2","2","5","1") = "4"
    & skf21("1","5","1","3","2","2","6","1") = "5"
    & skf21("1","5","1","3","2","2","7","1") = "6"
    & skf21("1","5","1","3","2","3","1","1") = "4"
    & skf21("1","5","1","3","2","3","2","1") = "4"
    & skf21("1","5","1","3","2","3","3","1") = "4"
    & skf21("1","5","1","3","2","3","4","1") = "4"
    & skf21("1","5","1","3","2","3","5","1") = "4"
    & skf21("1","5","1","3","2","3","6","1") = "5"
    & skf21("1","5","1","3","2","3","7","1") = "6"
    & skf21("1","5","1","3","2","4","1","1") = "4"
    & skf21("1","5","1","3","2","4","2","1") = "4"
    & skf21("1","5","1","3","2","4","3","1") = "4"
    & skf21("1","5","1","3","2","4","4","1") = "4"
    & skf21("1","5","1","3","2","4","5","1") = "4"
    & skf21("1","5","1","3","2","4","6","1") = "5"
    & skf21("1","5","1","3","2","4","7","1") = "6"
    & skf21("1","5","1","3","2","5","1","1") = "4"
    & skf21("1","5","1","3","2","5","2","1") = "4"
    & skf21("1","5","1","3","2","5","3","1") = "4"
    & skf21("1","5","1","3","2","5","4","1") = "4"
    & skf21("1","5","1","3","2","5","5","1") = "4"
    & skf21("1","5","1","3","2","5","6","1") = "5"
    & skf21("1","5","1","3","2","5","7","1") = "6"
    & skf21("1","5","1","3","2","6","1","1") = "5"
    & skf21("1","5","1","3","2","6","2","1") = "5"
    & skf21("1","5","1","3","2","6","3","1") = "5"
    & skf21("1","5","1","3","2","6","4","1") = "5"
    & skf21("1","5","1","3","2","6","5","1") = "5"
    & skf21("1","5","1","3","2","6","6","1") = "5"
    & skf21("1","5","1","3","2","6","7","1") = "6"
    & skf21("1","5","1","3","2","7","1","1") = "6"
    & skf21("1","5","1","3","2","7","2","1") = "6"
    & skf21("1","5","1","3","2","7","3","1") = "6"
    & skf21("1","5","1","3","2","7","4","1") = "6"
    & skf21("1","5","1","3","2","7","5","1") = "6"
    & skf21("1","5","1","3","2","7","6","1") = "6"
    & skf21("1","5","1","3","2","7","7","1") = "6"
    & skf21("1","5","1","3","3","1","1","1") = "4"
    & skf21("1","5","1","3","3","1","2","1") = "4"
    & skf21("1","5","1","3","3","1","3","1") = "4"
    & skf21("1","5","1","3","3","1","4","1") = "4"
    & skf21("1","5","1","3","3","1","5","1") = "4"
    & skf21("1","5","1","3","3","1","6","1") = "5"
    & skf21("1","5","1","3","3","1","7","1") = "6"
    & skf21("1","5","1","3","3","2","1","1") = "4"
    & skf21("1","5","1","3","3","2","2","1") = "4"
    & skf21("1","5","1","3","3","2","3","1") = "4"
    & skf21("1","5","1","3","3","2","4","1") = "4"
    & skf21("1","5","1","3","3","2","5","1") = "4"
    & skf21("1","5","1","3","3","2","6","1") = "5"
    & skf21("1","5","1","3","3","2","7","1") = "6"
    & skf21("1","5","1","3","3","3","1","1") = "4"
    & skf21("1","5","1","3","3","3","2","1") = "4"
    & skf21("1","5","1","3","3","3","3","1") = "4"
    & skf21("1","5","1","3","3","3","4","1") = "4"
    & skf21("1","5","1","3","3","3","5","1") = "4"
    & skf21("1","5","1","3","3","3","6","1") = "5"
    & skf21("1","5","1","3","3","3","7","1") = "6"
    & skf21("1","5","1","3","3","4","1","1") = "4"
    & skf21("1","5","1","3","3","4","2","1") = "4"
    & skf21("1","5","1","3","3","4","3","1") = "4"
    & skf21("1","5","1","3","3","4","4","1") = "4"
    & skf21("1","5","1","3","3","4","5","1") = "4"
    & skf21("1","5","1","3","3","4","6","1") = "5"
    & skf21("1","5","1","3","3","4","7","1") = "6"
    & skf21("1","5","1","3","3","5","1","1") = "4"
    & skf21("1","5","1","3","3","5","2","1") = "4"
    & skf21("1","5","1","3","3","5","3","1") = "4"
    & skf21("1","5","1","3","3","5","4","1") = "4"
    & skf21("1","5","1","3","3","5","5","1") = "4"
    & skf21("1","5","1","3","3","5","6","1") = "5"
    & skf21("1","5","1","3","3","5","7","1") = "6"
    & skf21("1","5","1","3","3","6","1","1") = "5"
    & skf21("1","5","1","3","3","6","2","1") = "5"
    & skf21("1","5","1","3","3","6","3","1") = "5"
    & skf21("1","5","1","3","3","6","4","1") = "5"
    & skf21("1","5","1","3","3","6","5","1") = "5"
    & skf21("1","5","1","3","3","6","6","1") = "5"
    & skf21("1","5","1","3","3","6","7","1") = "6"
    & skf21("1","5","1","3","3","7","1","1") = "6"
    & skf21("1","5","1","3","3","7","2","1") = "6"
    & skf21("1","5","1","3","3","7","3","1") = "6"
    & skf21("1","5","1","3","3","7","4","1") = "6"
    & skf21("1","5","1","3","3","7","5","1") = "6"
    & skf21("1","5","1","3","3","7","6","1") = "6"
    & skf21("1","5","1","3","3","7","7","1") = "6"
    & skf21("1","5","1","3","4","1","1","1") = "4"
    & skf21("1","5","1","3","4","1","2","1") = "4"
    & skf21("1","5","1","3","4","1","3","1") = "4"
    & skf21("1","5","1","3","4","1","4","1") = "4"
    & skf21("1","5","1","3","4","1","5","1") = "4"
    & skf21("1","5","1","3","4","1","6","1") = "5"
    & skf21("1","5","1","3","4","1","7","1") = "6"
    & skf21("1","5","1","3","4","2","1","1") = "4"
    & skf21("1","5","1","3","4","2","2","1") = "4"
    & skf21("1","5","1","3","4","2","3","1") = "4"
    & skf21("1","5","1","3","4","2","4","1") = "4"
    & skf21("1","5","1","3","4","2","5","1") = "4"
    & skf21("1","5","1","3","4","2","6","1") = "5"
    & skf21("1","5","1","3","4","2","7","1") = "6"
    & skf21("1","5","1","3","4","3","1","1") = "4"
    & skf21("1","5","1","3","4","3","2","1") = "4"
    & skf21("1","5","1","3","4","3","3","1") = "4"
    & skf21("1","5","1","3","4","3","4","1") = "4"
    & skf21("1","5","1","3","4","3","5","1") = "4"
    & skf21("1","5","1","3","4","3","6","1") = "5"
    & skf21("1","5","1","3","4","3","7","1") = "6"
    & skf21("1","5","1","3","4","4","1","1") = "4"
    & skf21("1","5","1","3","4","4","2","1") = "4"
    & skf21("1","5","1","3","4","4","3","1") = "4"
    & skf21("1","5","1","3","4","4","4","1") = "4"
    & skf21("1","5","1","3","4","4","5","1") = "4"
    & skf21("1","5","1","3","4","4","6","1") = "5"
    & skf21("1","5","1","3","4","4","7","1") = "6"
    & skf21("1","5","1","3","4","5","1","1") = "4"
    & skf21("1","5","1","3","4","5","2","1") = "4"
    & skf21("1","5","1","3","4","5","3","1") = "4"
    & skf21("1","5","1","3","4","5","4","1") = "4"
    & skf21("1","5","1","3","4","5","5","1") = "4"
    & skf21("1","5","1","3","4","5","6","1") = "5"
    & skf21("1","5","1","3","4","5","7","1") = "6"
    & skf21("1","5","1","3","4","6","1","1") = "5"
    & skf21("1","5","1","3","4","6","2","1") = "5"
    & skf21("1","5","1","3","4","6","3","1") = "5"
    & skf21("1","5","1","3","4","6","4","1") = "5"
    & skf21("1","5","1","3","4","6","5","1") = "5"
    & skf21("1","5","1","3","4","6","6","1") = "5"
    & skf21("1","5","1","3","4","6","7","1") = "6"
    & skf21("1","5","1","3","4","7","1","1") = "6"
    & skf21("1","5","1","3","4","7","2","1") = "6"
    & skf21("1","5","1","3","4","7","3","1") = "6"
    & skf21("1","5","1","3","4","7","4","1") = "6"
    & skf21("1","5","1","3","4","7","5","1") = "6"
    & skf21("1","5","1","3","4","7","6","1") = "6"
    & skf21("1","5","1","3","4","7","7","1") = "6"
    & skf21("1","5","1","3","5","1","1","1") = "4"
    & skf21("1","5","1","3","5","1","2","1") = "4"
    & skf21("1","5","1","3","5","1","3","1") = "4"
    & skf21("1","5","1","3","5","1","4","1") = "4"
    & skf21("1","5","1","3","5","1","5","1") = "4"
    & skf21("1","5","1","3","5","1","6","1") = "5"
    & skf21("1","5","1","3","5","1","7","1") = "6"
    & skf21("1","5","1","3","5","2","1","1") = "4"
    & skf21("1","5","1","3","5","2","2","1") = "4"
    & skf21("1","5","1","3","5","2","3","1") = "4"
    & skf21("1","5","1","3","5","2","4","1") = "4"
    & skf21("1","5","1","3","5","2","5","1") = "4"
    & skf21("1","5","1","3","5","2","6","1") = "5"
    & skf21("1","5","1","3","5","2","7","1") = "6"
    & skf21("1","5","1","3","5","3","1","1") = "4"
    & skf21("1","5","1","3","5","3","2","1") = "4"
    & skf21("1","5","1","3","5","3","3","1") = "4"
    & skf21("1","5","1","3","5","3","4","1") = "4"
    & skf21("1","5","1","3","5","3","5","1") = "4"
    & skf21("1","5","1","3","5","3","6","1") = "5"
    & skf21("1","5","1","3","5","3","7","1") = "6"
    & skf21("1","5","1","3","5","4","1","1") = "4"
    & skf21("1","5","1","3","5","4","2","1") = "4"
    & skf21("1","5","1","3","5","4","3","1") = "4"
    & skf21("1","5","1","3","5","4","4","1") = "4"
    & skf21("1","5","1","3","5","4","5","1") = "4"
    & skf21("1","5","1","3","5","4","6","1") = "5"
    & skf21("1","5","1","3","5","4","7","1") = "6"
    & skf21("1","5","1","3","5","5","1","1") = "4"
    & skf21("1","5","1","3","5","5","2","1") = "4"
    & skf21("1","5","1","3","5","5","3","1") = "4"
    & skf21("1","5","1","3","5","5","4","1") = "4"
    & skf21("1","5","1","3","5","5","5","1") = "4"
    & skf21("1","5","1","3","5","5","6","1") = "5"
    & skf21("1","5","1","3","5","5","7","1") = "6"
    & skf21("1","5","1","3","5","6","1","1") = "5"
    & skf21("1","5","1","3","5","6","2","1") = "5"
    & skf21("1","5","1","3","5","6","3","1") = "5"
    & skf21("1","5","1","3","5","6","4","1") = "5"
    & skf21("1","5","1","3","5","6","5","1") = "5"
    & skf21("1","5","1","3","5","6","6","1") = "5"
    & skf21("1","5","1","3","5","6","7","1") = "6"
    & skf21("1","5","1","3","5","7","1","1") = "6"
    & skf21("1","5","1","3","5","7","2","1") = "6"
    & skf21("1","5","1","3","5","7","3","1") = "6"
    & skf21("1","5","1","3","5","7","4","1") = "6"
    & skf21("1","5","1","3","5","7","5","1") = "6"
    & skf21("1","5","1","3","5","7","6","1") = "6"
    & skf21("1","5","1","3","5","7","7","1") = "6"
    & skf21("1","5","1","3","6","1","1","1") = "5"
    & skf21("1","5","1","3","6","1","2","1") = "5"
    & skf21("1","5","1","3","6","1","3","1") = "5"
    & skf21("1","5","1","3","6","1","4","1") = "5"
    & skf21("1","5","1","3","6","1","5","1") = "5"
    & skf21("1","5","1","3","6","1","6","1") = "5"
    & skf21("1","5","1","3","6","1","7","1") = "6"
    & skf21("1","5","1","3","6","2","1","1") = "5"
    & skf21("1","5","1","3","6","2","2","1") = "5"
    & skf21("1","5","1","3","6","2","3","1") = "5"
    & skf21("1","5","1","3","6","2","4","1") = "5"
    & skf21("1","5","1","3","6","2","5","1") = "5"
    & skf21("1","5","1","3","6","2","6","1") = "5"
    & skf21("1","5","1","3","6","2","7","1") = "6"
    & skf21("1","5","1","3","6","3","1","1") = "5"
    & skf21("1","5","1","3","6","3","2","1") = "5"
    & skf21("1","5","1","3","6","3","3","1") = "5"
    & skf21("1","5","1","3","6","3","4","1") = "5"
    & skf21("1","5","1","3","6","3","5","1") = "5"
    & skf21("1","5","1","3","6","3","6","1") = "5"
    & skf21("1","5","1","3","6","3","7","1") = "6"
    & skf21("1","5","1","3","6","4","1","1") = "5"
    & skf21("1","5","1","3","6","4","2","1") = "5"
    & skf21("1","5","1","3","6","4","3","1") = "5"
    & skf21("1","5","1","3","6","4","4","1") = "5"
    & skf21("1","5","1","3","6","4","5","1") = "5"
    & skf21("1","5","1","3","6","4","6","1") = "5"
    & skf21("1","5","1","3","6","4","7","1") = "6"
    & skf21("1","5","1","3","6","5","1","1") = "5"
    & skf21("1","5","1","3","6","5","2","1") = "5"
    & skf21("1","5","1","3","6","5","3","1") = "5"
    & skf21("1","5","1","3","6","5","4","1") = "5"
    & skf21("1","5","1","3","6","5","5","1") = "5"
    & skf21("1","5","1","3","6","5","6","1") = "5"
    & skf21("1","5","1","3","6","5","7","1") = "6"
    & skf21("1","5","1","3","6","6","1","1") = "5"
    & skf21("1","5","1","3","6","6","2","1") = "5"
    & skf21("1","5","1","3","6","6","3","1") = "5"
    & skf21("1","5","1","3","6","6","4","1") = "5"
    & skf21("1","5","1","3","6","6","5","1") = "5"
    & skf21("1","5","1","3","6","6","6","1") = "5"
    & skf21("1","5","1","3","6","6","7","1") = "6"
    & skf21("1","5","1","3","6","7","1","1") = "6"
    & skf21("1","5","1","3","6","7","2","1") = "6"
    & skf21("1","5","1","3","6","7","3","1") = "6"
    & skf21("1","5","1","3","6","7","4","1") = "6"
    & skf21("1","5","1","3","6","7","5","1") = "6"
    & skf21("1","5","1","3","6","7","6","1") = "6"
    & skf21("1","5","1","3","6","7","7","1") = "6"
    & skf21("1","5","1","3","7","1","1","1") = "6"
    & skf21("1","5","1","3","7","1","2","1") = "6"
    & skf21("1","5","1","3","7","1","3","1") = "6"
    & skf21("1","5","1","3","7","1","4","1") = "6"
    & skf21("1","5","1","3","7","1","5","1") = "6"
    & skf21("1","5","1","3","7","1","6","1") = "6"
    & skf21("1","5","1","3","7","1","7","1") = "6"
    & skf21("1","5","1","3","7","2","1","1") = "6"
    & skf21("1","5","1","3","7","2","2","1") = "6"
    & skf21("1","5","1","3","7","2","3","1") = "6"
    & skf21("1","5","1","3","7","2","4","1") = "6"
    & skf21("1","5","1","3","7","2","5","1") = "6"
    & skf21("1","5","1","3","7","2","6","1") = "6"
    & skf21("1","5","1","3","7","2","7","1") = "6"
    & skf21("1","5","1","3","7","3","1","1") = "6"
    & skf21("1","5","1","3","7","3","2","1") = "6"
    & skf21("1","5","1","3","7","3","3","1") = "6"
    & skf21("1","5","1","3","7","3","4","1") = "6"
    & skf21("1","5","1","3","7","3","5","1") = "6"
    & skf21("1","5","1","3","7","3","6","1") = "6"
    & skf21("1","5","1","3","7","3","7","1") = "6"
    & skf21("1","5","1","3","7","4","1","1") = "6"
    & skf21("1","5","1","3","7","4","2","1") = "6"
    & skf21("1","5","1","3","7","4","3","1") = "6"
    & skf21("1","5","1","3","7","4","4","1") = "6"
    & skf21("1","5","1","3","7","4","5","1") = "6"
    & skf21("1","5","1","3","7","4","6","1") = "6"
    & skf21("1","5","1","3","7","4","7","1") = "6"
    & skf21("1","5","1","3","7","5","1","1") = "6"
    & skf21("1","5","1","3","7","5","2","1") = "6"
    & skf21("1","5","1","3","7","5","3","1") = "6"
    & skf21("1","5","1","3","7","5","4","1") = "6"
    & skf21("1","5","1","3","7","5","5","1") = "6"
    & skf21("1","5","1","3","7","5","6","1") = "6"
    & skf21("1","5","1","3","7","5","7","1") = "6"
    & skf21("1","5","1","3","7","6","1","1") = "6"
    & skf21("1","5","1","3","7","6","2","1") = "6"
    & skf21("1","5","1","3","7","6","3","1") = "6"
    & skf21("1","5","1","3","7","6","4","1") = "6"
    & skf21("1","5","1","3","7","6","5","1") = "6"
    & skf21("1","5","1","3","7","6","6","1") = "6"
    & skf21("1","5","1","3","7","6","7","1") = "6"
    & skf21("1","5","1","3","7","7","1","1") = "6"
    & skf21("1","5","1","3","7","7","2","1") = "6"
    & skf21("1","5","1","3","7","7","3","1") = "6"
    & skf21("1","5","1","3","7","7","4","1") = "6"
    & skf21("1","5","1","3","7","7","5","1") = "6"
    & skf21("1","5","1","3","7","7","6","1") = "6"
    & skf21("1","5","1","3","7","7","7","1") = "6"
    & skf21("1","5","1","4","1","1","1","1") = "4"
    & skf21("1","5","1","4","1","1","2","1") = "4"
    & skf21("1","5","1","4","1","1","3","1") = "4"
    & skf21("1","5","1","4","1","1","4","1") = "4"
    & skf21("1","5","1","4","1","1","5","1") = "4"
    & skf21("1","5","1","4","1","1","6","1") = "5"
    & skf21("1","5","1","4","1","1","7","1") = "6"
    & skf21("1","5","1","4","1","2","1","1") = "4"
    & skf21("1","5","1","4","1","2","2","1") = "4"
    & skf21("1","5","1","4","1","2","3","1") = "4"
    & skf21("1","5","1","4","1","2","4","1") = "4"
    & skf21("1","5","1","4","1","2","5","1") = "4"
    & skf21("1","5","1","4","1","2","6","1") = "5"
    & skf21("1","5","1","4","1","2","7","1") = "6"
    & skf21("1","5","1","4","1","3","1","1") = "4"
    & skf21("1","5","1","4","1","3","2","1") = "4"
    & skf21("1","5","1","4","1","3","3","1") = "4"
    & skf21("1","5","1","4","1","3","4","1") = "4"
    & skf21("1","5","1","4","1","3","5","1") = "4"
    & skf21("1","5","1","4","1","3","6","1") = "5"
    & skf21("1","5","1","4","1","3","7","1") = "6"
    & skf21("1","5","1","4","1","4","1","1") = "4"
    & skf21("1","5","1","4","1","4","2","1") = "4"
    & skf21("1","5","1","4","1","4","3","1") = "4"
    & skf21("1","5","1","4","1","4","4","1") = "4"
    & skf21("1","5","1","4","1","4","5","1") = "4"
    & skf21("1","5","1","4","1","4","6","1") = "5"
    & skf21("1","5","1","4","1","4","7","1") = "6"
    & skf21("1","5","1","4","1","5","1","1") = "4"
    & skf21("1","5","1","4","1","5","2","1") = "4"
    & skf21("1","5","1","4","1","5","3","1") = "4"
    & skf21("1","5","1","4","1","5","4","1") = "4"
    & skf21("1","5","1","4","1","5","5","1") = "4"
    & skf21("1","5","1","4","1","5","6","1") = "5"
    & skf21("1","5","1","4","1","5","7","1") = "6"
    & skf21("1","5","1","4","1","6","1","1") = "5"
    & skf21("1","5","1","4","1","6","2","1") = "5"
    & skf21("1","5","1","4","1","6","3","1") = "5"
    & skf21("1","5","1","4","1","6","4","1") = "5"
    & skf21("1","5","1","4","1","6","5","1") = "5"
    & skf21("1","5","1","4","1","6","6","1") = "5"
    & skf21("1","5","1","4","1","6","7","1") = "6"
    & skf21("1","5","1","4","1","7","1","1") = "6"
    & skf21("1","5","1","4","1","7","2","1") = "6"
    & skf21("1","5","1","4","1","7","3","1") = "6"
    & skf21("1","5","1","4","1","7","4","1") = "6"
    & skf21("1","5","1","4","1","7","5","1") = "6"
    & skf21("1","5","1","4","1","7","6","1") = "6"
    & skf21("1","5","1","4","1","7","7","1") = "6"
    & skf21("1","5","1","4","2","1","1","1") = "4"
    & skf21("1","5","1","4","2","1","2","1") = "4"
    & skf21("1","5","1","4","2","1","3","1") = "4"
    & skf21("1","5","1","4","2","1","4","1") = "4"
    & skf21("1","5","1","4","2","1","5","1") = "4"
    & skf21("1","5","1","4","2","1","6","1") = "5"
    & skf21("1","5","1","4","2","1","7","1") = "6"
    & skf21("1","5","1","4","2","2","1","1") = "4"
    & skf21("1","5","1","4","2","2","2","1") = "4"
    & skf21("1","5","1","4","2","2","3","1") = "4"
    & skf21("1","5","1","4","2","2","4","1") = "4"
    & skf21("1","5","1","4","2","2","5","1") = "4"
    & skf21("1","5","1","4","2","2","6","1") = "5"
    & skf21("1","5","1","4","2","2","7","1") = "6"
    & skf21("1","5","1","4","2","3","1","1") = "4"
    & skf21("1","5","1","4","2","3","2","1") = "4"
    & skf21("1","5","1","4","2","3","3","1") = "4"
    & skf21("1","5","1","4","2","3","4","1") = "4"
    & skf21("1","5","1","4","2","3","5","1") = "4"
    & skf21("1","5","1","4","2","3","6","1") = "5"
    & skf21("1","5","1","4","2","3","7","1") = "6"
    & skf21("1","5","1","4","2","4","1","1") = "4"
    & skf21("1","5","1","4","2","4","2","1") = "4"
    & skf21("1","5","1","4","2","4","3","1") = "4"
    & skf21("1","5","1","4","2","4","4","1") = "4"
    & skf21("1","5","1","4","2","4","5","1") = "4"
    & skf21("1","5","1","4","2","4","6","1") = "5"
    & skf21("1","5","1","4","2","4","7","1") = "6"
    & skf21("1","5","1","4","2","5","1","1") = "4"
    & skf21("1","5","1","4","2","5","2","1") = "4"
    & skf21("1","5","1","4","2","5","3","1") = "4"
    & skf21("1","5","1","4","2","5","4","1") = "4"
    & skf21("1","5","1","4","2","5","5","1") = "4"
    & skf21("1","5","1","4","2","5","6","1") = "5"
    & skf21("1","5","1","4","2","5","7","1") = "6"
    & skf21("1","5","1","4","2","6","1","1") = "5"
    & skf21("1","5","1","4","2","6","2","1") = "5"
    & skf21("1","5","1","4","2","6","3","1") = "5"
    & skf21("1","5","1","4","2","6","4","1") = "5"
    & skf21("1","5","1","4","2","6","5","1") = "5"
    & skf21("1","5","1","4","2","6","6","1") = "5"
    & skf21("1","5","1","4","2","6","7","1") = "6"
    & skf21("1","5","1","4","2","7","1","1") = "6"
    & skf21("1","5","1","4","2","7","2","1") = "6"
    & skf21("1","5","1","4","2","7","3","1") = "6"
    & skf21("1","5","1","4","2","7","4","1") = "6"
    & skf21("1","5","1","4","2","7","5","1") = "6"
    & skf21("1","5","1","4","2","7","6","1") = "6"
    & skf21("1","5","1","4","2","7","7","1") = "6"
    & skf21("1","5","1","4","3","1","1","1") = "4"
    & skf21("1","5","1","4","3","1","2","1") = "4"
    & skf21("1","5","1","4","3","1","3","1") = "4"
    & skf21("1","5","1","4","3","1","4","1") = "4"
    & skf21("1","5","1","4","3","1","5","1") = "4"
    & skf21("1","5","1","4","3","1","6","1") = "5"
    & skf21("1","5","1","4","3","1","7","1") = "6"
    & skf21("1","5","1","4","3","2","1","1") = "4"
    & skf21("1","5","1","4","3","2","2","1") = "4"
    & skf21("1","5","1","4","3","2","3","1") = "4"
    & skf21("1","5","1","4","3","2","4","1") = "4"
    & skf21("1","5","1","4","3","2","5","1") = "4"
    & skf21("1","5","1","4","3","2","6","1") = "5"
    & skf21("1","5","1","4","3","2","7","1") = "6"
    & skf21("1","5","1","4","3","3","1","1") = "4"
    & skf21("1","5","1","4","3","3","2","1") = "4"
    & skf21("1","5","1","4","3","3","3","1") = "4"
    & skf21("1","5","1","4","3","3","4","1") = "4"
    & skf21("1","5","1","4","3","3","5","1") = "4"
    & skf21("1","5","1","4","3","3","6","1") = "5"
    & skf21("1","5","1","4","3","3","7","1") = "6"
    & skf21("1","5","1","4","3","4","1","1") = "4"
    & skf21("1","5","1","4","3","4","2","1") = "4"
    & skf21("1","5","1","4","3","4","3","1") = "4"
    & skf21("1","5","1","4","3","4","4","1") = "4"
    & skf21("1","5","1","4","3","4","5","1") = "4"
    & skf21("1","5","1","4","3","4","6","1") = "5"
    & skf21("1","5","1","4","3","4","7","1") = "6"
    & skf21("1","5","1","4","3","5","1","1") = "4"
    & skf21("1","5","1","4","3","5","2","1") = "4"
    & skf21("1","5","1","4","3","5","3","1") = "4"
    & skf21("1","5","1","4","3","5","4","1") = "4"
    & skf21("1","5","1","4","3","5","5","1") = "4"
    & skf21("1","5","1","4","3","5","6","1") = "5"
    & skf21("1","5","1","4","3","5","7","1") = "6"
    & skf21("1","5","1","4","3","6","1","1") = "5"
    & skf21("1","5","1","4","3","6","2","1") = "5"
    & skf21("1","5","1","4","3","6","3","1") = "5"
    & skf21("1","5","1","4","3","6","4","1") = "5"
    & skf21("1","5","1","4","3","6","5","1") = "5"
    & skf21("1","5","1","4","3","6","6","1") = "5"
    & skf21("1","5","1","4","3","6","7","1") = "6"
    & skf21("1","5","1","4","3","7","1","1") = "6"
    & skf21("1","5","1","4","3","7","2","1") = "6"
    & skf21("1","5","1","4","3","7","3","1") = "6"
    & skf21("1","5","1","4","3","7","4","1") = "6"
    & skf21("1","5","1","4","3","7","5","1") = "6"
    & skf21("1","5","1","4","3","7","6","1") = "6"
    & skf21("1","5","1","4","3","7","7","1") = "6"
    & skf21("1","5","1","4","4","1","1","1") = "4"
    & skf21("1","5","1","4","4","1","2","1") = "4"
    & skf21("1","5","1","4","4","1","3","1") = "4"
    & skf21("1","5","1","4","4","1","4","1") = "4"
    & skf21("1","5","1","4","4","1","5","1") = "4"
    & skf21("1","5","1","4","4","1","6","1") = "5"
    & skf21("1","5","1","4","4","1","7","1") = "6"
    & skf21("1","5","1","4","4","2","1","1") = "4"
    & skf21("1","5","1","4","4","2","2","1") = "4"
    & skf21("1","5","1","4","4","2","3","1") = "4"
    & skf21("1","5","1","4","4","2","4","1") = "4"
    & skf21("1","5","1","4","4","2","5","1") = "4"
    & skf21("1","5","1","4","4","2","6","1") = "5"
    & skf21("1","5","1","4","4","2","7","1") = "6"
    & skf21("1","5","1","4","4","3","1","1") = "4"
    & skf21("1","5","1","4","4","3","2","1") = "4"
    & skf21("1","5","1","4","4","3","3","1") = "4"
    & skf21("1","5","1","4","4","3","4","1") = "4"
    & skf21("1","5","1","4","4","3","5","1") = "4"
    & skf21("1","5","1","4","4","3","6","1") = "5"
    & skf21("1","5","1","4","4","3","7","1") = "6"
    & skf21("1","5","1","4","4","4","1","1") = "4"
    & skf21("1","5","1","4","4","4","2","1") = "4"
    & skf21("1","5","1","4","4","4","3","1") = "4"
    & skf21("1","5","1","4","4","4","4","1") = "4"
    & skf21("1","5","1","4","4","4","5","1") = "4"
    & skf21("1","5","1","4","4","4","6","1") = "5"
    & skf21("1","5","1","4","4","4","7","1") = "6"
    & skf21("1","5","1","4","4","5","1","1") = "4"
    & skf21("1","5","1","4","4","5","2","1") = "4"
    & skf21("1","5","1","4","4","5","3","1") = "4"
    & skf21("1","5","1","4","4","5","4","1") = "4"
    & skf21("1","5","1","4","4","5","5","1") = "4"
    & skf21("1","5","1","4","4","5","6","1") = "5"
    & skf21("1","5","1","4","4","5","7","1") = "6"
    & skf21("1","5","1","4","4","6","1","1") = "5"
    & skf21("1","5","1","4","4","6","2","1") = "5"
    & skf21("1","5","1","4","4","6","3","1") = "5"
    & skf21("1","5","1","4","4","6","4","1") = "5"
    & skf21("1","5","1","4","4","6","5","1") = "5"
    & skf21("1","5","1","4","4","6","6","1") = "5"
    & skf21("1","5","1","4","4","6","7","1") = "6"
    & skf21("1","5","1","4","4","7","1","1") = "6"
    & skf21("1","5","1","4","4","7","2","1") = "6"
    & skf21("1","5","1","4","4","7","3","1") = "6"
    & skf21("1","5","1","4","4","7","4","1") = "6"
    & skf21("1","5","1","4","4","7","5","1") = "6"
    & skf21("1","5","1","4","4","7","6","1") = "6"
    & skf21("1","5","1","4","4","7","7","1") = "6"
    & skf21("1","5","1","4","5","1","1","1") = "4"
    & skf21("1","5","1","4","5","1","2","1") = "4"
    & skf21("1","5","1","4","5","1","3","1") = "4"
    & skf21("1","5","1","4","5","1","4","1") = "4"
    & skf21("1","5","1","4","5","1","5","1") = "4"
    & skf21("1","5","1","4","5","1","6","1") = "5"
    & skf21("1","5","1","4","5","1","7","1") = "6"
    & skf21("1","5","1","4","5","2","1","1") = "4"
    & skf21("1","5","1","4","5","2","2","1") = "4"
    & skf21("1","5","1","4","5","2","3","1") = "4"
    & skf21("1","5","1","4","5","2","4","1") = "4"
    & skf21("1","5","1","4","5","2","5","1") = "4"
    & skf21("1","5","1","4","5","2","6","1") = "5"
    & skf21("1","5","1","4","5","2","7","1") = "6"
    & skf21("1","5","1","4","5","3","1","1") = "4"
    & skf21("1","5","1","4","5","3","2","1") = "4"
    & skf21("1","5","1","4","5","3","3","1") = "4"
    & skf21("1","5","1","4","5","3","4","1") = "4"
    & skf21("1","5","1","4","5","3","5","1") = "4"
    & skf21("1","5","1","4","5","3","6","1") = "5"
    & skf21("1","5","1","4","5","3","7","1") = "6"
    & skf21("1","5","1","4","5","4","1","1") = "4"
    & skf21("1","5","1","4","5","4","2","1") = "4"
    & skf21("1","5","1","4","5","4","3","1") = "4"
    & skf21("1","5","1","4","5","4","4","1") = "4"
    & skf21("1","5","1","4","5","4","5","1") = "4"
    & skf21("1","5","1","4","5","4","6","1") = "5"
    & skf21("1","5","1","4","5","4","7","1") = "6"
    & skf21("1","5","1","4","5","5","1","1") = "4"
    & skf21("1","5","1","4","5","5","2","1") = "4"
    & skf21("1","5","1","4","5","5","3","1") = "4"
    & skf21("1","5","1","4","5","5","4","1") = "4"
    & skf21("1","5","1","4","5","5","5","1") = "4"
    & skf21("1","5","1","4","5","5","6","1") = "5"
    & skf21("1","5","1","4","5","5","7","1") = "6"
    & skf21("1","5","1","4","5","6","1","1") = "5"
    & skf21("1","5","1","4","5","6","2","1") = "5"
    & skf21("1","5","1","4","5","6","3","1") = "5"
    & skf21("1","5","1","4","5","6","4","1") = "5"
    & skf21("1","5","1","4","5","6","5","1") = "5"
    & skf21("1","5","1","4","5","6","6","1") = "5"
    & skf21("1","5","1","4","5","6","7","1") = "6"
    & skf21("1","5","1","4","5","7","1","1") = "6"
    & skf21("1","5","1","4","5","7","2","1") = "6"
    & skf21("1","5","1","4","5","7","3","1") = "6"
    & skf21("1","5","1","4","5","7","4","1") = "6"
    & skf21("1","5","1","4","5","7","5","1") = "6"
    & skf21("1","5","1","4","5","7","6","1") = "6"
    & skf21("1","5","1","4","5","7","7","1") = "6"
    & skf21("1","5","1","4","6","1","1","1") = "5"
    & skf21("1","5","1","4","6","1","2","1") = "5"
    & skf21("1","5","1","4","6","1","3","1") = "5"
    & skf21("1","5","1","4","6","1","4","1") = "5"
    & skf21("1","5","1","4","6","1","5","1") = "5"
    & skf21("1","5","1","4","6","1","6","1") = "5"
    & skf21("1","5","1","4","6","1","7","1") = "6"
    & skf21("1","5","1","4","6","2","1","1") = "5"
    & skf21("1","5","1","4","6","2","2","1") = "5"
    & skf21("1","5","1","4","6","2","3","1") = "5"
    & skf21("1","5","1","4","6","2","4","1") = "5"
    & skf21("1","5","1","4","6","2","5","1") = "5"
    & skf21("1","5","1","4","6","2","6","1") = "5"
    & skf21("1","5","1","4","6","2","7","1") = "6"
    & skf21("1","5","1","4","6","3","1","1") = "5"
    & skf21("1","5","1","4","6","3","2","1") = "5"
    & skf21("1","5","1","4","6","3","3","1") = "5"
    & skf21("1","5","1","4","6","3","4","1") = "5"
    & skf21("1","5","1","4","6","3","5","1") = "5"
    & skf21("1","5","1","4","6","3","6","1") = "5"
    & skf21("1","5","1","4","6","3","7","1") = "6"
    & skf21("1","5","1","4","6","4","1","1") = "5"
    & skf21("1","5","1","4","6","4","2","1") = "5"
    & skf21("1","5","1","4","6","4","3","1") = "5"
    & skf21("1","5","1","4","6","4","4","1") = "5"
    & skf21("1","5","1","4","6","4","5","1") = "5"
    & skf21("1","5","1","4","6","4","6","1") = "5"
    & skf21("1","5","1","4","6","4","7","1") = "6"
    & skf21("1","5","1","4","6","5","1","1") = "5"
    & skf21("1","5","1","4","6","5","2","1") = "5"
    & skf21("1","5","1","4","6","5","3","1") = "5"
    & skf21("1","5","1","4","6","5","4","1") = "5"
    & skf21("1","5","1","4","6","5","5","1") = "5"
    & skf21("1","5","1","4","6","5","6","1") = "5"
    & skf21("1","5","1","4","6","5","7","1") = "6"
    & skf21("1","5","1","4","6","6","1","1") = "5"
    & skf21("1","5","1","4","6","6","2","1") = "5"
    & skf21("1","5","1","4","6","6","3","1") = "5"
    & skf21("1","5","1","4","6","6","4","1") = "5"
    & skf21("1","5","1","4","6","6","5","1") = "5"
    & skf21("1","5","1","4","6","6","6","1") = "5"
    & skf21("1","5","1","4","6","6","7","1") = "6"
    & skf21("1","5","1","4","6","7","1","1") = "6"
    & skf21("1","5","1","4","6","7","2","1") = "6"
    & skf21("1","5","1","4","6","7","3","1") = "6"
    & skf21("1","5","1","4","6","7","4","1") = "6"
    & skf21("1","5","1","4","6","7","5","1") = "6"
    & skf21("1","5","1","4","6","7","6","1") = "6"
    & skf21("1","5","1","4","6","7","7","1") = "6"
    & skf21("1","5","1","4","7","1","1","1") = "6"
    & skf21("1","5","1","4","7","1","2","1") = "6"
    & skf21("1","5","1","4","7","1","3","1") = "6"
    & skf21("1","5","1","4","7","1","4","1") = "6"
    & skf21("1","5","1","4","7","1","5","1") = "6"
    & skf21("1","5","1","4","7","1","6","1") = "6"
    & skf21("1","5","1","4","7","1","7","1") = "6"
    & skf21("1","5","1","4","7","2","1","1") = "6"
    & skf21("1","5","1","4","7","2","2","1") = "6"
    & skf21("1","5","1","4","7","2","3","1") = "6"
    & skf21("1","5","1","4","7","2","4","1") = "6"
    & skf21("1","5","1","4","7","2","5","1") = "6"
    & skf21("1","5","1","4","7","2","6","1") = "6"
    & skf21("1","5","1","4","7","2","7","1") = "6"
    & skf21("1","5","1","4","7","3","1","1") = "6"
    & skf21("1","5","1","4","7","3","2","1") = "6"
    & skf21("1","5","1","4","7","3","3","1") = "6"
    & skf21("1","5","1","4","7","3","4","1") = "6"
    & skf21("1","5","1","4","7","3","5","1") = "6"
    & skf21("1","5","1","4","7","3","6","1") = "6"
    & skf21("1","5","1","4","7","3","7","1") = "6"
    & skf21("1","5","1","4","7","4","1","1") = "6"
    & skf21("1","5","1","4","7","4","2","1") = "6"
    & skf21("1","5","1","4","7","4","3","1") = "6"
    & skf21("1","5","1","4","7","4","4","1") = "6"
    & skf21("1","5","1","4","7","4","5","1") = "6"
    & skf21("1","5","1","4","7","4","6","1") = "6"
    & skf21("1","5","1","4","7","4","7","1") = "6"
    & skf21("1","5","1","4","7","5","1","1") = "6"
    & skf21("1","5","1","4","7","5","2","1") = "6"
    & skf21("1","5","1","4","7","5","3","1") = "6"
    & skf21("1","5","1","4","7","5","4","1") = "6"
    & skf21("1","5","1","4","7","5","5","1") = "6"
    & skf21("1","5","1","4","7","5","6","1") = "6"
    & skf21("1","5","1","4","7","5","7","1") = "6"
    & skf21("1","5","1","4","7","6","1","1") = "6"
    & skf21("1","5","1","4","7","6","2","1") = "6"
    & skf21("1","5","1","4","7","6","3","1") = "6"
    & skf21("1","5","1","4","7","6","4","1") = "6"
    & skf21("1","5","1","4","7","6","5","1") = "6"
    & skf21("1","5","1","4","7","6","6","1") = "6"
    & skf21("1","5","1","4","7","6","7","1") = "6"
    & skf21("1","5","1","4","7","7","1","1") = "6"
    & skf21("1","5","1","4","7","7","2","1") = "6"
    & skf21("1","5","1","4","7","7","3","1") = "6"
    & skf21("1","5","1","4","7","7","4","1") = "6"
    & skf21("1","5","1","4","7","7","5","1") = "6"
    & skf21("1","5","1","4","7","7","6","1") = "6"
    & skf21("1","5","1","4","7","7","7","1") = "6"
    & skf21("1","5","1","5","1","1","1","1") = "4"
    & skf21("1","5","1","5","1","1","2","1") = "4"
    & skf21("1","5","1","5","1","1","3","1") = "4"
    & skf21("1","5","1","5","1","1","4","1") = "4"
    & skf21("1","5","1","5","1","1","5","1") = "4"
    & skf21("1","5","1","5","1","1","6","1") = "5"
    & skf21("1","5","1","5","1","1","7","1") = "6"
    & skf21("1","5","1","5","1","2","1","1") = "4"
    & skf21("1","5","1","5","1","2","2","1") = "4"
    & skf21("1","5","1","5","1","2","3","1") = "4"
    & skf21("1","5","1","5","1","2","4","1") = "4"
    & skf21("1","5","1","5","1","2","5","1") = "4"
    & skf21("1","5","1","5","1","2","6","1") = "5"
    & skf21("1","5","1","5","1","2","7","1") = "6"
    & skf21("1","5","1","5","1","3","1","1") = "4"
    & skf21("1","5","1","5","1","3","2","1") = "4"
    & skf21("1","5","1","5","1","3","3","1") = "4"
    & skf21("1","5","1","5","1","3","4","1") = "4"
    & skf21("1","5","1","5","1","3","5","1") = "4"
    & skf21("1","5","1","5","1","3","6","1") = "5"
    & skf21("1","5","1","5","1","3","7","1") = "6"
    & skf21("1","5","1","5","1","4","1","1") = "4"
    & skf21("1","5","1","5","1","4","2","1") = "4"
    & skf21("1","5","1","5","1","4","3","1") = "4"
    & skf21("1","5","1","5","1","4","4","1") = "4"
    & skf21("1","5","1","5","1","4","5","1") = "4"
    & skf21("1","5","1","5","1","4","6","1") = "5"
    & skf21("1","5","1","5","1","4","7","1") = "6"
    & skf21("1","5","1","5","1","5","1","1") = "4"
    & skf21("1","5","1","5","1","5","2","1") = "4"
    & skf21("1","5","1","5","1","5","3","1") = "4"
    & skf21("1","5","1","5","1","5","4","1") = "4"
    & skf21("1","5","1","5","1","5","5","1") = "4"
    & skf21("1","5","1","5","1","5","6","1") = "5"
    & skf21("1","5","1","5","1","5","7","1") = "6"
    & skf21("1","5","1","5","1","6","1","1") = "5"
    & skf21("1","5","1","5","1","6","2","1") = "5"
    & skf21("1","5","1","5","1","6","3","1") = "5"
    & skf21("1","5","1","5","1","6","4","1") = "5"
    & skf21("1","5","1","5","1","6","5","1") = "5"
    & skf21("1","5","1","5","1","6","6","1") = "5"
    & skf21("1","5","1","5","1","6","7","1") = "6"
    & skf21("1","5","1","5","1","7","1","1") = "6"
    & skf21("1","5","1","5","1","7","2","1") = "6"
    & skf21("1","5","1","5","1","7","3","1") = "6"
    & skf21("1","5","1","5","1","7","4","1") = "6"
    & skf21("1","5","1","5","1","7","5","1") = "6"
    & skf21("1","5","1","5","1","7","6","1") = "6"
    & skf21("1","5","1","5","1","7","7","1") = "6"
    & skf21("1","5","1","5","2","1","1","1") = "4"
    & skf21("1","5","1","5","2","1","2","1") = "4"
    & skf21("1","5","1","5","2","1","3","1") = "4"
    & skf21("1","5","1","5","2","1","4","1") = "4"
    & skf21("1","5","1","5","2","1","5","1") = "4"
    & skf21("1","5","1","5","2","1","6","1") = "5"
    & skf21("1","5","1","5","2","1","7","1") = "6"
    & skf21("1","5","1","5","2","2","1","1") = "4"
    & skf21("1","5","1","5","2","2","2","1") = "4"
    & skf21("1","5","1","5","2","2","3","1") = "4"
    & skf21("1","5","1","5","2","2","4","1") = "4"
    & skf21("1","5","1","5","2","2","5","1") = "4"
    & skf21("1","5","1","5","2","2","6","1") = "5"
    & skf21("1","5","1","5","2","2","7","1") = "6"
    & skf21("1","5","1","5","2","3","1","1") = "4"
    & skf21("1","5","1","5","2","3","2","1") = "4"
    & skf21("1","5","1","5","2","3","3","1") = "4"
    & skf21("1","5","1","5","2","3","4","1") = "4"
    & skf21("1","5","1","5","2","3","5","1") = "4"
    & skf21("1","5","1","5","2","3","6","1") = "5"
    & skf21("1","5","1","5","2","3","7","1") = "6"
    & skf21("1","5","1","5","2","4","1","1") = "4"
    & skf21("1","5","1","5","2","4","2","1") = "4"
    & skf21("1","5","1","5","2","4","3","1") = "4"
    & skf21("1","5","1","5","2","4","4","1") = "4"
    & skf21("1","5","1","5","2","4","5","1") = "4"
    & skf21("1","5","1","5","2","4","6","1") = "5"
    & skf21("1","5","1","5","2","4","7","1") = "6"
    & skf21("1","5","1","5","2","5","1","1") = "4"
    & skf21("1","5","1","5","2","5","2","1") = "4"
    & skf21("1","5","1","5","2","5","3","1") = "4"
    & skf21("1","5","1","5","2","5","4","1") = "4"
    & skf21("1","5","1","5","2","5","5","1") = "4"
    & skf21("1","5","1","5","2","5","6","1") = "5"
    & skf21("1","5","1","5","2","5","7","1") = "6"
    & skf21("1","5","1","5","2","6","1","1") = "5"
    & skf21("1","5","1","5","2","6","2","1") = "5"
    & skf21("1","5","1","5","2","6","3","1") = "5"
    & skf21("1","5","1","5","2","6","4","1") = "5"
    & skf21("1","5","1","5","2","6","5","1") = "5"
    & skf21("1","5","1","5","2","6","6","1") = "5"
    & skf21("1","5","1","5","2","6","7","1") = "6"
    & skf21("1","5","1","5","2","7","1","1") = "6"
    & skf21("1","5","1","5","2","7","2","1") = "6"
    & skf21("1","5","1","5","2","7","3","1") = "6"
    & skf21("1","5","1","5","2","7","4","1") = "6"
    & skf21("1","5","1","5","2","7","5","1") = "6"
    & skf21("1","5","1","5","2","7","6","1") = "6"
    & skf21("1","5","1","5","2","7","7","1") = "6"
    & skf21("1","5","1","5","3","1","1","1") = "4"
    & skf21("1","5","1","5","3","1","2","1") = "4"
    & skf21("1","5","1","5","3","1","3","1") = "4"
    & skf21("1","5","1","5","3","1","4","1") = "4"
    & skf21("1","5","1","5","3","1","5","1") = "4"
    & skf21("1","5","1","5","3","1","6","1") = "5"
    & skf21("1","5","1","5","3","1","7","1") = "6"
    & skf21("1","5","1","5","3","2","1","1") = "4"
    & skf21("1","5","1","5","3","2","2","1") = "4"
    & skf21("1","5","1","5","3","2","3","1") = "4"
    & skf21("1","5","1","5","3","2","4","1") = "4"
    & skf21("1","5","1","5","3","2","5","1") = "4"
    & skf21("1","5","1","5","3","2","6","1") = "5"
    & skf21("1","5","1","5","3","2","7","1") = "6"
    & skf21("1","5","1","5","3","3","1","1") = "4"
    & skf21("1","5","1","5","3","3","2","1") = "4"
    & skf21("1","5","1","5","3","3","3","1") = "4"
    & skf21("1","5","1","5","3","3","4","1") = "4"
    & skf21("1","5","1","5","3","3","5","1") = "4"
    & skf21("1","5","1","5","3","3","6","1") = "5"
    & skf21("1","5","1","5","3","3","7","1") = "6"
    & skf21("1","5","1","5","3","4","1","1") = "4"
    & skf21("1","5","1","5","3","4","2","1") = "4"
    & skf21("1","5","1","5","3","4","3","1") = "4"
    & skf21("1","5","1","5","3","4","4","1") = "4"
    & skf21("1","5","1","5","3","4","5","1") = "4"
    & skf21("1","5","1","5","3","4","6","1") = "5"
    & skf21("1","5","1","5","3","4","7","1") = "6"
    & skf21("1","5","1","5","3","5","1","1") = "4"
    & skf21("1","5","1","5","3","5","2","1") = "4"
    & skf21("1","5","1","5","3","5","3","1") = "4"
    & skf21("1","5","1","5","3","5","4","1") = "4"
    & skf21("1","5","1","5","3","5","5","1") = "4"
    & skf21("1","5","1","5","3","5","6","1") = "5"
    & skf21("1","5","1","5","3","5","7","1") = "6"
    & skf21("1","5","1","5","3","6","1","1") = "5"
    & skf21("1","5","1","5","3","6","2","1") = "5"
    & skf21("1","5","1","5","3","6","3","1") = "5"
    & skf21("1","5","1","5","3","6","4","1") = "5"
    & skf21("1","5","1","5","3","6","5","1") = "5"
    & skf21("1","5","1","5","3","6","6","1") = "5"
    & skf21("1","5","1","5","3","6","7","1") = "6"
    & skf21("1","5","1","5","3","7","1","1") = "6"
    & skf21("1","5","1","5","3","7","2","1") = "6"
    & skf21("1","5","1","5","3","7","3","1") = "6"
    & skf21("1","5","1","5","3","7","4","1") = "6"
    & skf21("1","5","1","5","3","7","5","1") = "6"
    & skf21("1","5","1","5","3","7","6","1") = "6"
    & skf21("1","5","1","5","3","7","7","1") = "6"
    & skf21("1","5","1","5","4","1","1","1") = "4"
    & skf21("1","5","1","5","4","1","2","1") = "4"
    & skf21("1","5","1","5","4","1","3","1") = "4"
    & skf21("1","5","1","5","4","1","4","1") = "4"
    & skf21("1","5","1","5","4","1","5","1") = "4"
    & skf21("1","5","1","5","4","1","6","1") = "5"
    & skf21("1","5","1","5","4","1","7","1") = "6"
    & skf21("1","5","1","5","4","2","1","1") = "4"
    & skf21("1","5","1","5","4","2","2","1") = "4"
    & skf21("1","5","1","5","4","2","3","1") = "4"
    & skf21("1","5","1","5","4","2","4","1") = "4"
    & skf21("1","5","1","5","4","2","5","1") = "4"
    & skf21("1","5","1","5","4","2","6","1") = "5"
    & skf21("1","5","1","5","4","2","7","1") = "6"
    & skf21("1","5","1","5","4","3","1","1") = "4"
    & skf21("1","5","1","5","4","3","2","1") = "4"
    & skf21("1","5","1","5","4","3","3","1") = "4"
    & skf21("1","5","1","5","4","3","4","1") = "4"
    & skf21("1","5","1","5","4","3","5","1") = "4"
    & skf21("1","5","1","5","4","3","6","1") = "5"
    & skf21("1","5","1","5","4","3","7","1") = "6"
    & skf21("1","5","1","5","4","4","1","1") = "4"
    & skf21("1","5","1","5","4","4","2","1") = "4"
    & skf21("1","5","1","5","4","4","3","1") = "4"
    & skf21("1","5","1","5","4","4","4","1") = "4"
    & skf21("1","5","1","5","4","4","5","1") = "4"
    & skf21("1","5","1","5","4","4","6","1") = "5"
    & skf21("1","5","1","5","4","4","7","1") = "6"
    & skf21("1","5","1","5","4","5","1","1") = "4"
    & skf21("1","5","1","5","4","5","2","1") = "4"
    & skf21("1","5","1","5","4","5","3","1") = "4"
    & skf21("1","5","1","5","4","5","4","1") = "4"
    & skf21("1","5","1","5","4","5","5","1") = "4"
    & skf21("1","5","1","5","4","5","6","1") = "5"
    & skf21("1","5","1","5","4","5","7","1") = "6"
    & skf21("1","5","1","5","4","6","1","1") = "5"
    & skf21("1","5","1","5","4","6","2","1") = "5"
    & skf21("1","5","1","5","4","6","3","1") = "5"
    & skf21("1","5","1","5","4","6","4","1") = "5"
    & skf21("1","5","1","5","4","6","5","1") = "5"
    & skf21("1","5","1","5","4","6","6","1") = "5"
    & skf21("1","5","1","5","4","6","7","1") = "6"
    & skf21("1","5","1","5","4","7","1","1") = "6"
    & skf21("1","5","1","5","4","7","2","1") = "6"
    & skf21("1","5","1","5","4","7","3","1") = "6"
    & skf21("1","5","1","5","4","7","4","1") = "6"
    & skf21("1","5","1","5","4","7","5","1") = "6"
    & skf21("1","5","1","5","4","7","6","1") = "6"
    & skf21("1","5","1","5","4","7","7","1") = "6"
    & skf21("1","5","1","5","5","1","1","1") = "4"
    & skf21("1","5","1","5","5","1","2","1") = "4"
    & skf21("1","5","1","5","5","1","3","1") = "4"
    & skf21("1","5","1","5","5","1","4","1") = "4"
    & skf21("1","5","1","5","5","1","5","1") = "4"
    & skf21("1","5","1","5","5","1","6","1") = "5"
    & skf21("1","5","1","5","5","1","7","1") = "6"
    & skf21("1","5","1","5","5","2","1","1") = "4"
    & skf21("1","5","1","5","5","2","2","1") = "4"
    & skf21("1","5","1","5","5","2","3","1") = "4"
    & skf21("1","5","1","5","5","2","4","1") = "4"
    & skf21("1","5","1","5","5","2","5","1") = "4"
    & skf21("1","5","1","5","5","2","6","1") = "5"
    & skf21("1","5","1","5","5","2","7","1") = "6"
    & skf21("1","5","1","5","5","3","1","1") = "4"
    & skf21("1","5","1","5","5","3","2","1") = "4"
    & skf21("1","5","1","5","5","3","3","1") = "4"
    & skf21("1","5","1","5","5","3","4","1") = "4"
    & skf21("1","5","1","5","5","3","5","1") = "4"
    & skf21("1","5","1","5","5","3","6","1") = "5"
    & skf21("1","5","1","5","5","3","7","1") = "6"
    & skf21("1","5","1","5","5","4","1","1") = "4"
    & skf21("1","5","1","5","5","4","2","1") = "4"
    & skf21("1","5","1","5","5","4","3","1") = "4"
    & skf21("1","5","1","5","5","4","4","1") = "4"
    & skf21("1","5","1","5","5","4","5","1") = "4"
    & skf21("1","5","1","5","5","4","6","1") = "5"
    & skf21("1","5","1","5","5","4","7","1") = "6"
    & skf21("1","5","1","5","5","5","1","1") = "4"
    & skf21("1","5","1","5","5","5","2","1") = "4"
    & skf21("1","5","1","5","5","5","3","1") = "4"
    & skf21("1","5","1","5","5","5","4","1") = "4"
    & skf21("1","5","1","5","5","5","5","1") = "4"
    & skf21("1","5","1","5","5","5","6","1") = "5"
    & skf21("1","5","1","5","5","5","7","1") = "6"
    & skf21("1","5","1","5","5","6","1","1") = "5"
    & skf21("1","5","1","5","5","6","2","1") = "5"
    & skf21("1","5","1","5","5","6","3","1") = "5"
    & skf21("1","5","1","5","5","6","4","1") = "5"
    & skf21("1","5","1","5","5","6","5","1") = "5"
    & skf21("1","5","1","5","5","6","6","1") = "5"
    & skf21("1","5","1","5","5","6","7","1") = "6"
    & skf21("1","5","1","5","5","7","1","1") = "6"
    & skf21("1","5","1","5","5","7","2","1") = "6"
    & skf21("1","5","1","5","5","7","3","1") = "6"
    & skf21("1","5","1","5","5","7","4","1") = "6"
    & skf21("1","5","1","5","5","7","5","1") = "6"
    & skf21("1","5","1","5","5","7","6","1") = "6"
    & skf21("1","5","1","5","5","7","7","1") = "6"
    & skf21("1","5","1","5","6","1","1","1") = "5"
    & skf21("1","5","1","5","6","1","2","1") = "5"
    & skf21("1","5","1","5","6","1","3","1") = "5"
    & skf21("1","5","1","5","6","1","4","1") = "5"
    & skf21("1","5","1","5","6","1","5","1") = "5"
    & skf21("1","5","1","5","6","1","6","1") = "5"
    & skf21("1","5","1","5","6","1","7","1") = "6"
    & skf21("1","5","1","5","6","2","1","1") = "5"
    & skf21("1","5","1","5","6","2","2","1") = "5"
    & skf21("1","5","1","5","6","2","3","1") = "5"
    & skf21("1","5","1","5","6","2","4","1") = "5"
    & skf21("1","5","1","5","6","2","5","1") = "5"
    & skf21("1","5","1","5","6","2","6","1") = "5"
    & skf21("1","5","1","5","6","2","7","1") = "6"
    & skf21("1","5","1","5","6","3","1","1") = "5"
    & skf21("1","5","1","5","6","3","2","1") = "5"
    & skf21("1","5","1","5","6","3","3","1") = "5"
    & skf21("1","5","1","5","6","3","4","1") = "5"
    & skf21("1","5","1","5","6","3","5","1") = "5"
    & skf21("1","5","1","5","6","3","6","1") = "5"
    & skf21("1","5","1","5","6","3","7","1") = "6"
    & skf21("1","5","1","5","6","4","1","1") = "5"
    & skf21("1","5","1","5","6","4","2","1") = "5"
    & skf21("1","5","1","5","6","4","3","1") = "5"
    & skf21("1","5","1","5","6","4","4","1") = "5"
    & skf21("1","5","1","5","6","4","5","1") = "5"
    & skf21("1","5","1","5","6","4","6","1") = "5"
    & skf21("1","5","1","5","6","4","7","1") = "6"
    & skf21("1","5","1","5","6","5","1","1") = "5"
    & skf21("1","5","1","5","6","5","2","1") = "5"
    & skf21("1","5","1","5","6","5","3","1") = "5"
    & skf21("1","5","1","5","6","5","4","1") = "5"
    & skf21("1","5","1","5","6","5","5","1") = "5"
    & skf21("1","5","1","5","6","5","6","1") = "5"
    & skf21("1","5","1","5","6","5","7","1") = "6"
    & skf21("1","5","1","5","6","6","1","1") = "5"
    & skf21("1","5","1","5","6","6","2","1") = "5"
    & skf21("1","5","1","5","6","6","3","1") = "5"
    & skf21("1","5","1","5","6","6","4","1") = "5"
    & skf21("1","5","1","5","6","6","5","1") = "5"
    & skf21("1","5","1","5","6","6","6","1") = "5"
    & skf21("1","5","1","5","6","6","7","1") = "6"
    & skf21("1","5","1","5","6","7","1","1") = "6"
    & skf21("1","5","1","5","6","7","2","1") = "6"
    & skf21("1","5","1","5","6","7","3","1") = "6"
    & skf21("1","5","1","5","6","7","4","1") = "6"
    & skf21("1","5","1","5","6","7","5","1") = "6"
    & skf21("1","5","1","5","6","7","6","1") = "6"
    & skf21("1","5","1","5","6","7","7","1") = "6"
    & skf21("1","5","1","5","7","1","1","1") = "6"
    & skf21("1","5","1","5","7","1","2","1") = "6"
    & skf21("1","5","1","5","7","1","3","1") = "6"
    & skf21("1","5","1","5","7","1","4","1") = "6"
    & skf21("1","5","1","5","7","1","5","1") = "6"
    & skf21("1","5","1","5","7","1","6","1") = "6"
    & skf21("1","5","1","5","7","1","7","1") = "6"
    & skf21("1","5","1","5","7","2","1","1") = "6"
    & skf21("1","5","1","5","7","2","2","1") = "6"
    & skf21("1","5","1","5","7","2","3","1") = "6"
    & skf21("1","5","1","5","7","2","4","1") = "6"
    & skf21("1","5","1","5","7","2","5","1") = "6"
    & skf21("1","5","1","5","7","2","6","1") = "6"
    & skf21("1","5","1","5","7","2","7","1") = "6"
    & skf21("1","5","1","5","7","3","1","1") = "6"
    & skf21("1","5","1","5","7","3","2","1") = "6"
    & skf21("1","5","1","5","7","3","3","1") = "6"
    & skf21("1","5","1","5","7","3","4","1") = "6"
    & skf21("1","5","1","5","7","3","5","1") = "6"
    & skf21("1","5","1","5","7","3","6","1") = "6"
    & skf21("1","5","1","5","7","3","7","1") = "6"
    & skf21("1","5","1","5","7","4","1","1") = "6"
    & skf21("1","5","1","5","7","4","2","1") = "6"
    & skf21("1","5","1","5","7","4","3","1") = "6"
    & skf21("1","5","1","5","7","4","4","1") = "6"
    & skf21("1","5","1","5","7","4","5","1") = "6"
    & skf21("1","5","1","5","7","4","6","1") = "6"
    & skf21("1","5","1","5","7","4","7","1") = "6"
    & skf21("1","5","1","5","7","5","1","1") = "6"
    & skf21("1","5","1","5","7","5","2","1") = "6"
    & skf21("1","5","1","5","7","5","3","1") = "6"
    & skf21("1","5","1","5","7","5","4","1") = "6"
    & skf21("1","5","1","5","7","5","5","1") = "6"
    & skf21("1","5","1","5","7","5","6","1") = "6"
    & skf21("1","5","1","5","7","5","7","1") = "6"
    & skf21("1","5","1","5","7","6","1","1") = "6"
    & skf21("1","5","1","5","7","6","2","1") = "6"
    & skf21("1","5","1","5","7","6","3","1") = "6"
    & skf21("1","5","1","5","7","6","4","1") = "6"
    & skf21("1","5","1","5","7","6","5","1") = "6"
    & skf21("1","5","1","5","7","6","6","1") = "6"
    & skf21("1","5","1","5","7","6","7","1") = "6"
    & skf21("1","5","1","5","7","7","1","1") = "6"
    & skf21("1","5","1","5","7","7","2","1") = "6"
    & skf21("1","5","1","5","7","7","3","1") = "6"
    & skf21("1","5","1","5","7","7","4","1") = "6"
    & skf21("1","5","1","5","7","7","5","1") = "6"
    & skf21("1","5","1","5","7","7","6","1") = "6"
    & skf21("1","5","1","5","7","7","7","1") = "6"
    & skf21("1","5","1","6","1","1","1","1") = "5"
    & skf21("1","5","1","6","1","1","2","1") = "5"
    & skf21("1","5","1","6","1","1","3","1") = "5"
    & skf21("1","5","1","6","1","1","4","1") = "5"
    & skf21("1","5","1","6","1","1","5","1") = "5"
    & skf21("1","5","1","6","1","1","6","1") = "5"
    & skf21("1","5","1","6","1","1","7","1") = "6"
    & skf21("1","5","1","6","1","2","1","1") = "5"
    & skf21("1","5","1","6","1","2","2","1") = "5"
    & skf21("1","5","1","6","1","2","3","1") = "5"
    & skf21("1","5","1","6","1","2","4","1") = "5"
    & skf21("1","5","1","6","1","2","5","1") = "5"
    & skf21("1","5","1","6","1","2","6","1") = "5"
    & skf21("1","5","1","6","1","2","7","1") = "6"
    & skf21("1","5","1","6","1","3","1","1") = "5"
    & skf21("1","5","1","6","1","3","2","1") = "5"
    & skf21("1","5","1","6","1","3","3","1") = "5"
    & skf21("1","5","1","6","1","3","4","1") = "5"
    & skf21("1","5","1","6","1","3","5","1") = "5"
    & skf21("1","5","1","6","1","3","6","1") = "5"
    & skf21("1","5","1","6","1","3","7","1") = "6"
    & skf21("1","5","1","6","1","4","1","1") = "5"
    & skf21("1","5","1","6","1","4","2","1") = "5"
    & skf21("1","5","1","6","1","4","3","1") = "5"
    & skf21("1","5","1","6","1","4","4","1") = "5"
    & skf21("1","5","1","6","1","4","5","1") = "5"
    & skf21("1","5","1","6","1","4","6","1") = "5"
    & skf21("1","5","1","6","1","4","7","1") = "6"
    & skf21("1","5","1","6","1","5","1","1") = "5"
    & skf21("1","5","1","6","1","5","2","1") = "5"
    & skf21("1","5","1","6","1","5","3","1") = "5"
    & skf21("1","5","1","6","1","5","4","1") = "5"
    & skf21("1","5","1","6","1","5","5","1") = "5"
    & skf21("1","5","1","6","1","5","6","1") = "5"
    & skf21("1","5","1","6","1","5","7","1") = "6"
    & skf21("1","5","1","6","1","6","1","1") = "5"
    & skf21("1","5","1","6","1","6","2","1") = "5"
    & skf21("1","5","1","6","1","6","3","1") = "5"
    & skf21("1","5","1","6","1","6","4","1") = "5"
    & skf21("1","5","1","6","1","6","5","1") = "5"
    & skf21("1","5","1","6","1","6","6","1") = "5"
    & skf21("1","5","1","6","1","6","7","1") = "6"
    & skf21("1","5","1","6","1","7","1","1") = "6"
    & skf21("1","5","1","6","1","7","2","1") = "6"
    & skf21("1","5","1","6","1","7","3","1") = "6"
    & skf21("1","5","1","6","1","7","4","1") = "6"
    & skf21("1","5","1","6","1","7","5","1") = "6"
    & skf21("1","5","1","6","1","7","6","1") = "6"
    & skf21("1","5","1","6","1","7","7","1") = "6"
    & skf21("1","5","1","6","2","1","1","1") = "5"
    & skf21("1","5","1","6","2","1","2","1") = "5"
    & skf21("1","5","1","6","2","1","3","1") = "5"
    & skf21("1","5","1","6","2","1","4","1") = "5"
    & skf21("1","5","1","6","2","1","5","1") = "5"
    & skf21("1","5","1","6","2","1","6","1") = "5"
    & skf21("1","5","1","6","2","1","7","1") = "6"
    & skf21("1","5","1","6","2","2","1","1") = "5"
    & skf21("1","5","1","6","2","2","2","1") = "5"
    & skf21("1","5","1","6","2","2","3","1") = "5"
    & skf21("1","5","1","6","2","2","4","1") = "5"
    & skf21("1","5","1","6","2","2","5","1") = "5"
    & skf21("1","5","1","6","2","2","6","1") = "5"
    & skf21("1","5","1","6","2","2","7","1") = "6"
    & skf21("1","5","1","6","2","3","1","1") = "5"
    & skf21("1","5","1","6","2","3","2","1") = "5"
    & skf21("1","5","1","6","2","3","3","1") = "5"
    & skf21("1","5","1","6","2","3","4","1") = "5"
    & skf21("1","5","1","6","2","3","5","1") = "5"
    & skf21("1","5","1","6","2","3","6","1") = "5"
    & skf21("1","5","1","6","2","3","7","1") = "6"
    & skf21("1","5","1","6","2","4","1","1") = "5"
    & skf21("1","5","1","6","2","4","2","1") = "5"
    & skf21("1","5","1","6","2","4","3","1") = "5"
    & skf21("1","5","1","6","2","4","4","1") = "5"
    & skf21("1","5","1","6","2","4","5","1") = "5"
    & skf21("1","5","1","6","2","4","6","1") = "5"
    & skf21("1","5","1","6","2","4","7","1") = "6"
    & skf21("1","5","1","6","2","5","1","1") = "5"
    & skf21("1","5","1","6","2","5","2","1") = "5"
    & skf21("1","5","1","6","2","5","3","1") = "5"
    & skf21("1","5","1","6","2","5","4","1") = "5"
    & skf21("1","5","1","6","2","5","5","1") = "5"
    & skf21("1","5","1","6","2","5","6","1") = "5"
    & skf21("1","5","1","6","2","5","7","1") = "6"
    & skf21("1","5","1","6","2","6","1","1") = "5"
    & skf21("1","5","1","6","2","6","2","1") = "5"
    & skf21("1","5","1","6","2","6","3","1") = "5"
    & skf21("1","5","1","6","2","6","4","1") = "5"
    & skf21("1","5","1","6","2","6","5","1") = "5"
    & skf21("1","5","1","6","2","6","6","1") = "5"
    & skf21("1","5","1","6","2","6","7","1") = "6"
    & skf21("1","5","1","6","2","7","1","1") = "6"
    & skf21("1","5","1","6","2","7","2","1") = "6"
    & skf21("1","5","1","6","2","7","3","1") = "6"
    & skf21("1","5","1","6","2","7","4","1") = "6"
    & skf21("1","5","1","6","2","7","5","1") = "6"
    & skf21("1","5","1","6","2","7","6","1") = "6"
    & skf21("1","5","1","6","2","7","7","1") = "6"
    & skf21("1","5","1","6","3","1","1","1") = "5"
    & skf21("1","5","1","6","3","1","2","1") = "5"
    & skf21("1","5","1","6","3","1","3","1") = "5"
    & skf21("1","5","1","6","3","1","4","1") = "5"
    & skf21("1","5","1","6","3","1","5","1") = "5"
    & skf21("1","5","1","6","3","1","6","1") = "5"
    & skf21("1","5","1","6","3","1","7","1") = "6"
    & skf21("1","5","1","6","3","2","1","1") = "5"
    & skf21("1","5","1","6","3","2","2","1") = "5"
    & skf21("1","5","1","6","3","2","3","1") = "5"
    & skf21("1","5","1","6","3","2","4","1") = "5"
    & skf21("1","5","1","6","3","2","5","1") = "5"
    & skf21("1","5","1","6","3","2","6","1") = "5"
    & skf21("1","5","1","6","3","2","7","1") = "6"
    & skf21("1","5","1","6","3","3","1","1") = "5"
    & skf21("1","5","1","6","3","3","2","1") = "5"
    & skf21("1","5","1","6","3","3","3","1") = "5"
    & skf21("1","5","1","6","3","3","4","1") = "5"
    & skf21("1","5","1","6","3","3","5","1") = "5"
    & skf21("1","5","1","6","3","3","6","1") = "5"
    & skf21("1","5","1","6","3","3","7","1") = "6"
    & skf21("1","5","1","6","3","4","1","1") = "5"
    & skf21("1","5","1","6","3","4","2","1") = "5"
    & skf21("1","5","1","6","3","4","3","1") = "5"
    & skf21("1","5","1","6","3","4","4","1") = "5"
    & skf21("1","5","1","6","3","4","5","1") = "5"
    & skf21("1","5","1","6","3","4","6","1") = "5"
    & skf21("1","5","1","6","3","4","7","1") = "6"
    & skf21("1","5","1","6","3","5","1","1") = "5"
    & skf21("1","5","1","6","3","5","2","1") = "5"
    & skf21("1","5","1","6","3","5","3","1") = "5"
    & skf21("1","5","1","6","3","5","4","1") = "5"
    & skf21("1","5","1","6","3","5","5","1") = "5"
    & skf21("1","5","1","6","3","5","6","1") = "5"
    & skf21("1","5","1","6","3","5","7","1") = "6"
    & skf21("1","5","1","6","3","6","1","1") = "5"
    & skf21("1","5","1","6","3","6","2","1") = "5"
    & skf21("1","5","1","6","3","6","3","1") = "5"
    & skf21("1","5","1","6","3","6","4","1") = "5"
    & skf21("1","5","1","6","3","6","5","1") = "5"
    & skf21("1","5","1","6","3","6","6","1") = "5"
    & skf21("1","5","1","6","3","6","7","1") = "6"
    & skf21("1","5","1","6","3","7","1","1") = "6"
    & skf21("1","5","1","6","3","7","2","1") = "6"
    & skf21("1","5","1","6","3","7","3","1") = "6"
    & skf21("1","5","1","6","3","7","4","1") = "6"
    & skf21("1","5","1","6","3","7","5","1") = "6"
    & skf21("1","5","1","6","3","7","6","1") = "6"
    & skf21("1","5","1","6","3","7","7","1") = "6"
    & skf21("1","5","1","6","4","1","1","1") = "5"
    & skf21("1","5","1","6","4","1","2","1") = "5"
    & skf21("1","5","1","6","4","1","3","1") = "5"
    & skf21("1","5","1","6","4","1","4","1") = "5"
    & skf21("1","5","1","6","4","1","5","1") = "5"
    & skf21("1","5","1","6","4","1","6","1") = "5"
    & skf21("1","5","1","6","4","1","7","1") = "6"
    & skf21("1","5","1","6","4","2","1","1") = "5"
    & skf21("1","5","1","6","4","2","2","1") = "5"
    & skf21("1","5","1","6","4","2","3","1") = "5"
    & skf21("1","5","1","6","4","2","4","1") = "5"
    & skf21("1","5","1","6","4","2","5","1") = "5"
    & skf21("1","5","1","6","4","2","6","1") = "5"
    & skf21("1","5","1","6","4","2","7","1") = "6"
    & skf21("1","5","1","6","4","3","1","1") = "5"
    & skf21("1","5","1","6","4","3","2","1") = "5"
    & skf21("1","5","1","6","4","3","3","1") = "5"
    & skf21("1","5","1","6","4","3","4","1") = "5"
    & skf21("1","5","1","6","4","3","5","1") = "5"
    & skf21("1","5","1","6","4","3","6","1") = "5"
    & skf21("1","5","1","6","4","3","7","1") = "6"
    & skf21("1","5","1","6","4","4","1","1") = "5"
    & skf21("1","5","1","6","4","4","2","1") = "5"
    & skf21("1","5","1","6","4","4","3","1") = "5"
    & skf21("1","5","1","6","4","4","4","1") = "5"
    & skf21("1","5","1","6","4","4","5","1") = "5"
    & skf21("1","5","1","6","4","4","6","1") = "5"
    & skf21("1","5","1","6","4","4","7","1") = "6"
    & skf21("1","5","1","6","4","5","1","1") = "5"
    & skf21("1","5","1","6","4","5","2","1") = "5"
    & skf21("1","5","1","6","4","5","3","1") = "5"
    & skf21("1","5","1","6","4","5","4","1") = "5"
    & skf21("1","5","1","6","4","5","5","1") = "5"
    & skf21("1","5","1","6","4","5","6","1") = "5"
    & skf21("1","5","1","6","4","5","7","1") = "6"
    & skf21("1","5","1","6","4","6","1","1") = "5"
    & skf21("1","5","1","6","4","6","2","1") = "5"
    & skf21("1","5","1","6","4","6","3","1") = "5"
    & skf21("1","5","1","6","4","6","4","1") = "5"
    & skf21("1","5","1","6","4","6","5","1") = "5"
    & skf21("1","5","1","6","4","6","6","1") = "5"
    & skf21("1","5","1","6","4","6","7","1") = "6"
    & skf21("1","5","1","6","4","7","1","1") = "6"
    & skf21("1","5","1","6","4","7","2","1") = "6"
    & skf21("1","5","1","6","4","7","3","1") = "6"
    & skf21("1","5","1","6","4","7","4","1") = "6"
    & skf21("1","5","1","6","4","7","5","1") = "6"
    & skf21("1","5","1","6","4","7","6","1") = "6"
    & skf21("1","5","1","6","4","7","7","1") = "6"
    & skf21("1","5","1","6","5","1","1","1") = "5"
    & skf21("1","5","1","6","5","1","2","1") = "5"
    & skf21("1","5","1","6","5","1","3","1") = "5"
    & skf21("1","5","1","6","5","1","4","1") = "5"
    & skf21("1","5","1","6","5","1","5","1") = "5"
    & skf21("1","5","1","6","5","1","6","1") = "5"
    & skf21("1","5","1","6","5","1","7","1") = "6"
    & skf21("1","5","1","6","5","2","1","1") = "5"
    & skf21("1","5","1","6","5","2","2","1") = "5"
    & skf21("1","5","1","6","5","2","3","1") = "5"
    & skf21("1","5","1","6","5","2","4","1") = "5"
    & skf21("1","5","1","6","5","2","5","1") = "5"
    & skf21("1","5","1","6","5","2","6","1") = "5"
    & skf21("1","5","1","6","5","2","7","1") = "6"
    & skf21("1","5","1","6","5","3","1","1") = "5"
    & skf21("1","5","1","6","5","3","2","1") = "5"
    & skf21("1","5","1","6","5","3","3","1") = "5"
    & skf21("1","5","1","6","5","3","4","1") = "5"
    & skf21("1","5","1","6","5","3","5","1") = "5"
    & skf21("1","5","1","6","5","3","6","1") = "5"
    & skf21("1","5","1","6","5","3","7","1") = "6"
    & skf21("1","5","1","6","5","4","1","1") = "5"
    & skf21("1","5","1","6","5","4","2","1") = "5"
    & skf21("1","5","1","6","5","4","3","1") = "5"
    & skf21("1","5","1","6","5","4","4","1") = "5"
    & skf21("1","5","1","6","5","4","5","1") = "5"
    & skf21("1","5","1","6","5","4","6","1") = "5"
    & skf21("1","5","1","6","5","4","7","1") = "6"
    & skf21("1","5","1","6","5","5","1","1") = "5"
    & skf21("1","5","1","6","5","5","2","1") = "5"
    & skf21("1","5","1","6","5","5","3","1") = "5"
    & skf21("1","5","1","6","5","5","4","1") = "5"
    & skf21("1","5","1","6","5","5","5","1") = "5"
    & skf21("1","5","1","6","5","5","6","1") = "5"
    & skf21("1","5","1","6","5","5","7","1") = "6"
    & skf21("1","5","1","6","5","6","1","1") = "5"
    & skf21("1","5","1","6","5","6","2","1") = "5"
    & skf21("1","5","1","6","5","6","3","1") = "5"
    & skf21("1","5","1","6","5","6","4","1") = "5"
    & skf21("1","5","1","6","5","6","5","1") = "5"
    & skf21("1","5","1","6","5","6","6","1") = "5"
    & skf21("1","5","1","6","5","6","7","1") = "6"
    & skf21("1","5","1","6","5","7","1","1") = "6"
    & skf21("1","5","1","6","5","7","2","1") = "6"
    & skf21("1","5","1","6","5","7","3","1") = "6"
    & skf21("1","5","1","6","5","7","4","1") = "6"
    & skf21("1","5","1","6","5","7","5","1") = "6"
    & skf21("1","5","1","6","5","7","6","1") = "6"
    & skf21("1","5","1","6","5","7","7","1") = "6"
    & skf21("1","5","1","6","6","1","1","1") = "5"
    & skf21("1","5","1","6","6","1","2","1") = "5"
    & skf21("1","5","1","6","6","1","3","1") = "5"
    & skf21("1","5","1","6","6","1","4","1") = "5"
    & skf21("1","5","1","6","6","1","5","1") = "5"
    & skf21("1","5","1","6","6","1","6","1") = "5"
    & skf21("1","5","1","6","6","1","7","1") = "6"
    & skf21("1","5","1","6","6","2","1","1") = "5"
    & skf21("1","5","1","6","6","2","2","1") = "5"
    & skf21("1","5","1","6","6","2","3","1") = "5"
    & skf21("1","5","1","6","6","2","4","1") = "5"
    & skf21("1","5","1","6","6","2","5","1") = "5"
    & skf21("1","5","1","6","6","2","6","1") = "5"
    & skf21("1","5","1","6","6","2","7","1") = "6"
    & skf21("1","5","1","6","6","3","1","1") = "5"
    & skf21("1","5","1","6","6","3","2","1") = "5"
    & skf21("1","5","1","6","6","3","3","1") = "5"
    & skf21("1","5","1","6","6","3","4","1") = "5"
    & skf21("1","5","1","6","6","3","5","1") = "5"
    & skf21("1","5","1","6","6","3","6","1") = "5"
    & skf21("1","5","1","6","6","3","7","1") = "6"
    & skf21("1","5","1","6","6","4","1","1") = "5"
    & skf21("1","5","1","6","6","4","2","1") = "5"
    & skf21("1","5","1","6","6","4","3","1") = "5"
    & skf21("1","5","1","6","6","4","4","1") = "5"
    & skf21("1","5","1","6","6","4","5","1") = "5"
    & skf21("1","5","1","6","6","4","6","1") = "5"
    & skf21("1","5","1","6","6","4","7","1") = "6"
    & skf21("1","5","1","6","6","5","1","1") = "5"
    & skf21("1","5","1","6","6","5","2","1") = "5"
    & skf21("1","5","1","6","6","5","3","1") = "5"
    & skf21("1","5","1","6","6","5","4","1") = "5"
    & skf21("1","5","1","6","6","5","5","1") = "5"
    & skf21("1","5","1","6","6","5","6","1") = "5"
    & skf21("1","5","1","6","6","5","7","1") = "6"
    & skf21("1","5","1","6","6","6","1","1") = "5"
    & skf21("1","5","1","6","6","6","2","1") = "5"
    & skf21("1","5","1","6","6","6","3","1") = "5"
    & skf21("1","5","1","6","6","6","4","1") = "5"
    & skf21("1","5","1","6","6","6","5","1") = "5"
    & skf21("1","5","1","6","6","6","6","1") = "5"
    & skf21("1","5","1","6","6","6","7","1") = "6"
    & skf21("1","5","1","6","6","7","1","1") = "6"
    & skf21("1","5","1","6","6","7","2","1") = "6"
    & skf21("1","5","1","6","6","7","3","1") = "6"
    & skf21("1","5","1","6","6","7","4","1") = "6"
    & skf21("1","5","1","6","6","7","5","1") = "6"
    & skf21("1","5","1","6","6","7","6","1") = "6"
    & skf21("1","5","1","6","6","7","7","1") = "6"
    & skf21("1","5","1","6","7","1","1","1") = "6"
    & skf21("1","5","1","6","7","1","2","1") = "6"
    & skf21("1","5","1","6","7","1","3","1") = "6"
    & skf21("1","5","1","6","7","1","4","1") = "6"
    & skf21("1","5","1","6","7","1","5","1") = "6"
    & skf21("1","5","1","6","7","1","6","1") = "6"
    & skf21("1","5","1","6","7","1","7","1") = "6"
    & skf21("1","5","1","6","7","2","1","1") = "6"
    & skf21("1","5","1","6","7","2","2","1") = "6"
    & skf21("1","5","1","6","7","2","3","1") = "6"
    & skf21("1","5","1","6","7","2","4","1") = "6"
    & skf21("1","5","1","6","7","2","5","1") = "6"
    & skf21("1","5","1","6","7","2","6","1") = "6"
    & skf21("1","5","1","6","7","2","7","1") = "6"
    & skf21("1","5","1","6","7","3","1","1") = "6"
    & skf21("1","5","1","6","7","3","2","1") = "6"
    & skf21("1","5","1","6","7","3","3","1") = "6"
    & skf21("1","5","1","6","7","3","4","1") = "6"
    & skf21("1","5","1","6","7","3","5","1") = "6"
    & skf21("1","5","1","6","7","3","6","1") = "6"
    & skf21("1","5","1","6","7","3","7","1") = "6"
    & skf21("1","5","1","6","7","4","1","1") = "6"
    & skf21("1","5","1","6","7","4","2","1") = "6"
    & skf21("1","5","1","6","7","4","3","1") = "6"
    & skf21("1","5","1","6","7","4","4","1") = "6"
    & skf21("1","5","1","6","7","4","5","1") = "6"
    & skf21("1","5","1","6","7","4","6","1") = "6"
    & skf21("1","5","1","6","7","4","7","1") = "6"
    & skf21("1","5","1","6","7","5","1","1") = "6"
    & skf21("1","5","1","6","7","5","2","1") = "6"
    & skf21("1","5","1","6","7","5","3","1") = "6"
    & skf21("1","5","1","6","7","5","4","1") = "6"
    & skf21("1","5","1","6","7","5","5","1") = "6"
    & skf21("1","5","1","6","7","5","6","1") = "6"
    & skf21("1","5","1","6","7","5","7","1") = "6"
    & skf21("1","5","1","6","7","6","1","1") = "6"
    & skf21("1","5","1","6","7","6","2","1") = "6"
    & skf21("1","5","1","6","7","6","3","1") = "6"
    & skf21("1","5","1","6","7","6","4","1") = "6"
    & skf21("1","5","1","6","7","6","5","1") = "6"
    & skf21("1","5","1","6","7","6","6","1") = "6"
    & skf21("1","5","1","6","7","6","7","1") = "6"
    & skf21("1","5","1","6","7","7","1","1") = "6"
    & skf21("1","5","1","6","7","7","2","1") = "6"
    & skf21("1","5","1","6","7","7","3","1") = "6"
    & skf21("1","5","1","6","7","7","4","1") = "6"
    & skf21("1","5","1","6","7","7","5","1") = "6"
    & skf21("1","5","1","6","7","7","6","1") = "6"
    & skf21("1","5","1","6","7","7","7","1") = "6"
    & skf21("1","5","1","7","1","1","1","1") = "6"
    & skf21("1","5","1","7","1","1","2","1") = "6"
    & skf21("1","5","1","7","1","1","3","1") = "6"
    & skf21("1","5","1","7","1","1","4","1") = "6"
    & skf21("1","5","1","7","1","1","5","1") = "6"
    & skf21("1","5","1","7","1","1","6","1") = "6"
    & skf21("1","5","1","7","1","1","7","1") = "6"
    & skf21("1","5","1","7","1","2","1","1") = "6"
    & skf21("1","5","1","7","1","2","2","1") = "6"
    & skf21("1","5","1","7","1","2","3","1") = "6"
    & skf21("1","5","1","7","1","2","4","1") = "6"
    & skf21("1","5","1","7","1","2","5","1") = "6"
    & skf21("1","5","1","7","1","2","6","1") = "6"
    & skf21("1","5","1","7","1","2","7","1") = "6"
    & skf21("1","5","1","7","1","3","1","1") = "6"
    & skf21("1","5","1","7","1","3","2","1") = "6"
    & skf21("1","5","1","7","1","3","3","1") = "6"
    & skf21("1","5","1","7","1","3","4","1") = "6"
    & skf21("1","5","1","7","1","3","5","1") = "6"
    & skf21("1","5","1","7","1","3","6","1") = "6"
    & skf21("1","5","1","7","1","3","7","1") = "6"
    & skf21("1","5","1","7","1","4","1","1") = "6"
    & skf21("1","5","1","7","1","4","2","1") = "6"
    & skf21("1","5","1","7","1","4","3","1") = "6"
    & skf21("1","5","1","7","1","4","4","1") = "6"
    & skf21("1","5","1","7","1","4","5","1") = "6"
    & skf21("1","5","1","7","1","4","6","1") = "6"
    & skf21("1","5","1","7","1","4","7","1") = "6"
    & skf21("1","5","1","7","1","5","1","1") = "6"
    & skf21("1","5","1","7","1","5","2","1") = "6"
    & skf21("1","5","1","7","1","5","3","1") = "6"
    & skf21("1","5","1","7","1","5","4","1") = "6"
    & skf21("1","5","1","7","1","5","5","1") = "6"
    & skf21("1","5","1","7","1","5","6","1") = "6"
    & skf21("1","5","1","7","1","5","7","1") = "6"
    & skf21("1","5","1","7","1","6","1","1") = "6"
    & skf21("1","5","1","7","1","6","2","1") = "6"
    & skf21("1","5","1","7","1","6","3","1") = "6"
    & skf21("1","5","1","7","1","6","4","1") = "6"
    & skf21("1","5","1","7","1","6","5","1") = "6"
    & skf21("1","5","1","7","1","6","6","1") = "6"
    & skf21("1","5","1","7","1","6","7","1") = "6"
    & skf21("1","5","1","7","1","7","1","1") = "6"
    & skf21("1","5","1","7","1","7","2","1") = "6"
    & skf21("1","5","1","7","1","7","3","1") = "6"
    & skf21("1","5","1","7","1","7","4","1") = "6"
    & skf21("1","5","1","7","1","7","5","1") = "6"
    & skf21("1","5","1","7","1","7","6","1") = "6"
    & skf21("1","5","1","7","1","7","7","1") = "6"
    & skf21("1","5","1","7","2","1","1","1") = "6"
    & skf21("1","5","1","7","2","1","2","1") = "6"
    & skf21("1","5","1","7","2","1","3","1") = "6"
    & skf21("1","5","1","7","2","1","4","1") = "6"
    & skf21("1","5","1","7","2","1","5","1") = "6"
    & skf21("1","5","1","7","2","1","6","1") = "6"
    & skf21("1","5","1","7","2","1","7","1") = "6"
    & skf21("1","5","1","7","2","2","1","1") = "6"
    & skf21("1","5","1","7","2","2","2","1") = "6"
    & skf21("1","5","1","7","2","2","3","1") = "6"
    & skf21("1","5","1","7","2","2","4","1") = "6"
    & skf21("1","5","1","7","2","2","5","1") = "6"
    & skf21("1","5","1","7","2","2","6","1") = "6"
    & skf21("1","5","1","7","2","2","7","1") = "6"
    & skf21("1","5","1","7","2","3","1","1") = "6"
    & skf21("1","5","1","7","2","3","2","1") = "6"
    & skf21("1","5","1","7","2","3","3","1") = "6"
    & skf21("1","5","1","7","2","3","4","1") = "6"
    & skf21("1","5","1","7","2","3","5","1") = "6"
    & skf21("1","5","1","7","2","3","6","1") = "6"
    & skf21("1","5","1","7","2","3","7","1") = "6"
    & skf21("1","5","1","7","2","4","1","1") = "6"
    & skf21("1","5","1","7","2","4","2","1") = "6"
    & skf21("1","5","1","7","2","4","3","1") = "6"
    & skf21("1","5","1","7","2","4","4","1") = "6"
    & skf21("1","5","1","7","2","4","5","1") = "6"
    & skf21("1","5","1","7","2","4","6","1") = "6"
    & skf21("1","5","1","7","2","4","7","1") = "6"
    & skf21("1","5","1","7","2","5","1","1") = "6"
    & skf21("1","5","1","7","2","5","2","1") = "6"
    & skf21("1","5","1","7","2","5","3","1") = "6"
    & skf21("1","5","1","7","2","5","4","1") = "6"
    & skf21("1","5","1","7","2","5","5","1") = "6"
    & skf21("1","5","1","7","2","5","6","1") = "6"
    & skf21("1","5","1","7","2","5","7","1") = "6"
    & skf21("1","5","1","7","2","6","1","1") = "6"
    & skf21("1","5","1","7","2","6","2","1") = "6"
    & skf21("1","5","1","7","2","6","3","1") = "6"
    & skf21("1","5","1","7","2","6","4","1") = "6"
    & skf21("1","5","1","7","2","6","5","1") = "6"
    & skf21("1","5","1","7","2","6","6","1") = "6"
    & skf21("1","5","1","7","2","6","7","1") = "6"
    & skf21("1","5","1","7","2","7","1","1") = "6"
    & skf21("1","5","1","7","2","7","2","1") = "6"
    & skf21("1","5","1","7","2","7","3","1") = "6"
    & skf21("1","5","1","7","2","7","4","1") = "6"
    & skf21("1","5","1","7","2","7","5","1") = "6"
    & skf21("1","5","1","7","2","7","6","1") = "6"
    & skf21("1","5","1","7","2","7","7","1") = "6"
    & skf21("1","5","1","7","3","1","1","1") = "6"
    & skf21("1","5","1","7","3","1","2","1") = "6"
    & skf21("1","5","1","7","3","1","3","1") = "6"
    & skf21("1","5","1","7","3","1","4","1") = "6"
    & skf21("1","5","1","7","3","1","5","1") = "6"
    & skf21("1","5","1","7","3","1","6","1") = "6"
    & skf21("1","5","1","7","3","1","7","1") = "6"
    & skf21("1","5","1","7","3","2","1","1") = "6"
    & skf21("1","5","1","7","3","2","2","1") = "6"
    & skf21("1","5","1","7","3","2","3","1") = "6"
    & skf21("1","5","1","7","3","2","4","1") = "6"
    & skf21("1","5","1","7","3","2","5","1") = "6"
    & skf21("1","5","1","7","3","2","6","1") = "6"
    & skf21("1","5","1","7","3","2","7","1") = "6"
    & skf21("1","5","1","7","3","3","1","1") = "6"
    & skf21("1","5","1","7","3","3","2","1") = "6"
    & skf21("1","5","1","7","3","3","3","1") = "6"
    & skf21("1","5","1","7","3","3","4","1") = "6"
    & skf21("1","5","1","7","3","3","5","1") = "6"
    & skf21("1","5","1","7","3","3","6","1") = "6"
    & skf21("1","5","1","7","3","3","7","1") = "6"
    & skf21("1","5","1","7","3","4","1","1") = "6"
    & skf21("1","5","1","7","3","4","2","1") = "6"
    & skf21("1","5","1","7","3","4","3","1") = "6"
    & skf21("1","5","1","7","3","4","4","1") = "6"
    & skf21("1","5","1","7","3","4","5","1") = "6"
    & skf21("1","5","1","7","3","4","6","1") = "6"
    & skf21("1","5","1","7","3","4","7","1") = "6"
    & skf21("1","5","1","7","3","5","1","1") = "6"
    & skf21("1","5","1","7","3","5","2","1") = "6"
    & skf21("1","5","1","7","3","5","3","1") = "6"
    & skf21("1","5","1","7","3","5","4","1") = "6"
    & skf21("1","5","1","7","3","5","5","1") = "6"
    & skf21("1","5","1","7","3","5","6","1") = "6"
    & skf21("1","5","1","7","3","5","7","1") = "6"
    & skf21("1","5","1","7","3","6","1","1") = "6"
    & skf21("1","5","1","7","3","6","2","1") = "6"
    & skf21("1","5","1","7","3","6","3","1") = "6"
    & skf21("1","5","1","7","3","6","4","1") = "6"
    & skf21("1","5","1","7","3","6","5","1") = "6"
    & skf21("1","5","1","7","3","6","6","1") = "6"
    & skf21("1","5","1","7","3","6","7","1") = "6"
    & skf21("1","5","1","7","3","7","1","1") = "6"
    & skf21("1","5","1","7","3","7","2","1") = "6"
    & skf21("1","5","1","7","3","7","3","1") = "6"
    & skf21("1","5","1","7","3","7","4","1") = "6"
    & skf21("1","5","1","7","3","7","5","1") = "6"
    & skf21("1","5","1","7","3","7","6","1") = "6"
    & skf21("1","5","1","7","3","7","7","1") = "6"
    & skf21("1","5","1","7","4","1","1","1") = "6"
    & skf21("1","5","1","7","4","1","2","1") = "6"
    & skf21("1","5","1","7","4","1","3","1") = "6"
    & skf21("1","5","1","7","4","1","4","1") = "6"
    & skf21("1","5","1","7","4","1","5","1") = "6"
    & skf21("1","5","1","7","4","1","6","1") = "6"
    & skf21("1","5","1","7","4","1","7","1") = "6"
    & skf21("1","5","1","7","4","2","1","1") = "6"
    & skf21("1","5","1","7","4","2","2","1") = "6"
    & skf21("1","5","1","7","4","2","3","1") = "6"
    & skf21("1","5","1","7","4","2","4","1") = "6"
    & skf21("1","5","1","7","4","2","5","1") = "6"
    & skf21("1","5","1","7","4","2","6","1") = "6"
    & skf21("1","5","1","7","4","2","7","1") = "6"
    & skf21("1","5","1","7","4","3","1","1") = "6"
    & skf21("1","5","1","7","4","3","2","1") = "6"
    & skf21("1","5","1","7","4","3","3","1") = "6"
    & skf21("1","5","1","7","4","3","4","1") = "6"
    & skf21("1","5","1","7","4","3","5","1") = "6"
    & skf21("1","5","1","7","4","3","6","1") = "6"
    & skf21("1","5","1","7","4","3","7","1") = "6"
    & skf21("1","5","1","7","4","4","1","1") = "6"
    & skf21("1","5","1","7","4","4","2","1") = "6"
    & skf21("1","5","1","7","4","4","3","1") = "6"
    & skf21("1","5","1","7","4","4","4","1") = "6"
    & skf21("1","5","1","7","4","4","5","1") = "6"
    & skf21("1","5","1","7","4","4","6","1") = "6"
    & skf21("1","5","1","7","4","4","7","1") = "6"
    & skf21("1","5","1","7","4","5","1","1") = "6"
    & skf21("1","5","1","7","4","5","2","1") = "6"
    & skf21("1","5","1","7","4","5","3","1") = "6"
    & skf21("1","5","1","7","4","5","4","1") = "6"
    & skf21("1","5","1","7","4","5","5","1") = "6"
    & skf21("1","5","1","7","4","5","6","1") = "6"
    & skf21("1","5","1","7","4","5","7","1") = "6"
    & skf21("1","5","1","7","4","6","1","1") = "6"
    & skf21("1","5","1","7","4","6","2","1") = "6"
    & skf21("1","5","1","7","4","6","3","1") = "6"
    & skf21("1","5","1","7","4","6","4","1") = "6"
    & skf21("1","5","1","7","4","6","5","1") = "6"
    & skf21("1","5","1","7","4","6","6","1") = "6"
    & skf21("1","5","1","7","4","6","7","1") = "6"
    & skf21("1","5","1","7","4","7","1","1") = "6"
    & skf21("1","5","1","7","4","7","2","1") = "6"
    & skf21("1","5","1","7","4","7","3","1") = "6"
    & skf21("1","5","1","7","4","7","4","1") = "6"
    & skf21("1","5","1","7","4","7","5","1") = "6"
    & skf21("1","5","1","7","4","7","6","1") = "6"
    & skf21("1","5","1","7","4","7","7","1") = "6"
    & skf21("1","5","1","7","5","1","1","1") = "6"
    & skf21("1","5","1","7","5","1","2","1") = "6"
    & skf21("1","5","1","7","5","1","3","1") = "6"
    & skf21("1","5","1","7","5","1","4","1") = "6"
    & skf21("1","5","1","7","5","1","5","1") = "6"
    & skf21("1","5","1","7","5","1","6","1") = "6"
    & skf21("1","5","1","7","5","1","7","1") = "6"
    & skf21("1","5","1","7","5","2","1","1") = "6"
    & skf21("1","5","1","7","5","2","2","1") = "6"
    & skf21("1","5","1","7","5","2","3","1") = "6"
    & skf21("1","5","1","7","5","2","4","1") = "6"
    & skf21("1","5","1","7","5","2","5","1") = "6"
    & skf21("1","5","1","7","5","2","6","1") = "6"
    & skf21("1","5","1","7","5","2","7","1") = "6"
    & skf21("1","5","1","7","5","3","1","1") = "6"
    & skf21("1","5","1","7","5","3","2","1") = "6"
    & skf21("1","5","1","7","5","3","3","1") = "6"
    & skf21("1","5","1","7","5","3","4","1") = "6"
    & skf21("1","5","1","7","5","3","5","1") = "6"
    & skf21("1","5","1","7","5","3","6","1") = "6"
    & skf21("1","5","1","7","5","3","7","1") = "6"
    & skf21("1","5","1","7","5","4","1","1") = "6"
    & skf21("1","5","1","7","5","4","2","1") = "6"
    & skf21("1","5","1","7","5","4","3","1") = "6"
    & skf21("1","5","1","7","5","4","4","1") = "6"
    & skf21("1","5","1","7","5","4","5","1") = "6"
    & skf21("1","5","1","7","5","4","6","1") = "6"
    & skf21("1","5","1","7","5","4","7","1") = "6"
    & skf21("1","5","1","7","5","5","1","1") = "6"
    & skf21("1","5","1","7","5","5","2","1") = "6"
    & skf21("1","5","1","7","5","5","3","1") = "6"
    & skf21("1","5","1","7","5","5","4","1") = "6"
    & skf21("1","5","1","7","5","5","5","1") = "6"
    & skf21("1","5","1","7","5","5","6","1") = "6"
    & skf21("1","5","1","7","5","5","7","1") = "6"
    & skf21("1","5","1","7","5","6","1","1") = "6"
    & skf21("1","5","1","7","5","6","2","1") = "6"
    & skf21("1","5","1","7","5","6","3","1") = "6"
    & skf21("1","5","1","7","5","6","4","1") = "6"
    & skf21("1","5","1","7","5","6","5","1") = "6"
    & skf21("1","5","1","7","5","6","6","1") = "6"
    & skf21("1","5","1","7","5","6","7","1") = "6"
    & skf21("1","5","1","7","5","7","1","1") = "6"
    & skf21("1","5","1","7","5","7","2","1") = "6"
    & skf21("1","5","1","7","5","7","3","1") = "6"
    & skf21("1","5","1","7","5","7","4","1") = "6"
    & skf21("1","5","1","7","5","7","5","1") = "6"
    & skf21("1","5","1","7","5","7","6","1") = "6"
    & skf21("1","5","1","7","5","7","7","1") = "6"
    & skf21("1","5","1","7","6","1","1","1") = "6"
    & skf21("1","5","1","7","6","1","2","1") = "6"
    & skf21("1","5","1","7","6","1","3","1") = "6"
    & skf21("1","5","1","7","6","1","4","1") = "6"
    & skf21("1","5","1","7","6","1","5","1") = "6"
    & skf21("1","5","1","7","6","1","6","1") = "6"
    & skf21("1","5","1","7","6","1","7","1") = "6"
    & skf21("1","5","1","7","6","2","1","1") = "6"
    & skf21("1","5","1","7","6","2","2","1") = "6"
    & skf21("1","5","1","7","6","2","3","1") = "6"
    & skf21("1","5","1","7","6","2","4","1") = "6"
    & skf21("1","5","1","7","6","2","5","1") = "6"
    & skf21("1","5","1","7","6","2","6","1") = "6"
    & skf21("1","5","1","7","6","2","7","1") = "6"
    & skf21("1","5","1","7","6","3","1","1") = "6"
    & skf21("1","5","1","7","6","3","2","1") = "6"
    & skf21("1","5","1","7","6","3","3","1") = "6"
    & skf21("1","5","1","7","6","3","4","1") = "6"
    & skf21("1","5","1","7","6","3","5","1") = "6"
    & skf21("1","5","1","7","6","3","6","1") = "6"
    & skf21("1","5","1","7","6","3","7","1") = "6"
    & skf21("1","5","1","7","6","4","1","1") = "6"
    & skf21("1","5","1","7","6","4","2","1") = "6"
    & skf21("1","5","1","7","6","4","3","1") = "6"
    & skf21("1","5","1","7","6","4","4","1") = "6"
    & skf21("1","5","1","7","6","4","5","1") = "6"
    & skf21("1","5","1","7","6","4","6","1") = "6"
    & skf21("1","5","1","7","6","4","7","1") = "6"
    & skf21("1","5","1","7","6","5","1","1") = "6"
    & skf21("1","5","1","7","6","5","2","1") = "6"
    & skf21("1","5","1","7","6","5","3","1") = "6"
    & skf21("1","5","1","7","6","5","4","1") = "6"
    & skf21("1","5","1","7","6","5","5","1") = "6"
    & skf21("1","5","1","7","6","5","6","1") = "6"
    & skf21("1","5","1","7","6","5","7","1") = "6"
    & skf21("1","5","1","7","6","6","1","1") = "6"
    & skf21("1","5","1","7","6","6","2","1") = "6"
    & skf21("1","5","1","7","6","6","3","1") = "6"
    & skf21("1","5","1","7","6","6","4","1") = "6"
    & skf21("1","5","1","7","6","6","5","1") = "6"
    & skf21("1","5","1","7","6","6","6","1") = "6"
    & skf21("1","5","1","7","6","6","7","1") = "6"
    & skf21("1","5","1","7","6","7","1","1") = "6"
    & skf21("1","5","1","7","6","7","2","1") = "6"
    & skf21("1","5","1","7","6","7","3","1") = "6"
    & skf21("1","5","1","7","6","7","4","1") = "6"
    & skf21("1","5","1","7","6","7","5","1") = "6"
    & skf21("1","5","1","7","6","7","6","1") = "6"
    & skf21("1","5","1","7","6","7","7","1") = "6"
    & skf21("1","5","1","7","7","1","1","1") = "6"
    & skf21("1","5","1","7","7","1","2","1") = "6"
    & skf21("1","5","1","7","7","1","3","1") = "6"
    & skf21("1","5","1","7","7","1","4","1") = "6"
    & skf21("1","5","1","7","7","1","5","1") = "6"
    & skf21("1","5","1","7","7","1","6","1") = "6"
    & skf21("1","5","1","7","7","1","7","1") = "6"
    & skf21("1","5","1","7","7","2","1","1") = "6"
    & skf21("1","5","1","7","7","2","2","1") = "6"
    & skf21("1","5","1","7","7","2","3","1") = "6"
    & skf21("1","5","1","7","7","2","4","1") = "6"
    & skf21("1","5","1","7","7","2","5","1") = "6"
    & skf21("1","5","1","7","7","2","6","1") = "6"
    & skf21("1","5","1","7","7","2","7","1") = "6"
    & skf21("1","5","1","7","7","3","1","1") = "6"
    & skf21("1","5","1","7","7","3","2","1") = "6"
    & skf21("1","5","1","7","7","3","3","1") = "6"
    & skf21("1","5","1","7","7","3","4","1") = "6"
    & skf21("1","5","1","7","7","3","5","1") = "6"
    & skf21("1","5","1","7","7","3","6","1") = "6"
    & skf21("1","5","1","7","7","3","7","1") = "6"
    & skf21("1","5","1","7","7","4","1","1") = "6"
    & skf21("1","5","1","7","7","4","2","1") = "6"
    & skf21("1","5","1","7","7","4","3","1") = "6"
    & skf21("1","5","1","7","7","4","4","1") = "6"
    & skf21("1","5","1","7","7","4","5","1") = "6"
    & skf21("1","5","1","7","7","4","6","1") = "6"
    & skf21("1","5","1","7","7","4","7","1") = "6"
    & skf21("1","5","1","7","7","5","1","1") = "6"
    & skf21("1","5","1","7","7","5","2","1") = "6"
    & skf21("1","5","1","7","7","5","3","1") = "6"
    & skf21("1","5","1","7","7","5","4","1") = "6"
    & skf21("1","5","1","7","7","5","5","1") = "6"
    & skf21("1","5","1","7","7","5","6","1") = "6"
    & skf21("1","5","1","7","7","5","7","1") = "6"
    & skf21("1","5","1","7","7","6","1","1") = "6"
    & skf21("1","5","1","7","7","6","2","1") = "6"
    & skf21("1","5","1","7","7","6","3","1") = "6"
    & skf21("1","5","1","7","7","6","4","1") = "6"
    & skf21("1","5","1","7","7","6","5","1") = "6"
    & skf21("1","5","1","7","7","6","6","1") = "6"
    & skf21("1","5","1","7","7","6","7","1") = "6"
    & skf21("1","5","1","7","7","7","1","1") = "6"
    & skf21("1","5","1","7","7","7","2","1") = "6"
    & skf21("1","5","1","7","7","7","3","1") = "6"
    & skf21("1","5","1","7","7","7","4","1") = "6"
    & skf21("1","5","1","7","7","7","5","1") = "6"
    & skf21("1","5","1","7","7","7","6","1") = "6"
    & skf21("1","5","1","7","7","7","7","1") = "6"
    & skf21("1","5","2","1","1","1","1","1") = "4"
    & skf21("1","5","2","1","1","1","2","1") = "4"
    & skf21("1","5","2","1","1","1","3","1") = "4"
    & skf21("1","5","2","1","1","1","4","1") = "4"
    & skf21("1","5","2","1","1","1","5","1") = "4"
    & skf21("1","5","2","1","1","1","6","1") = "5"
    & skf21("1","5","2","1","1","1","7","1") = "6"
    & skf21("1","5","2","1","1","2","1","1") = "4"
    & skf21("1","5","2","1","1","2","2","1") = "4"
    & skf21("1","5","2","1","1","2","3","1") = "4"
    & skf21("1","5","2","1","1","2","4","1") = "4"
    & skf21("1","5","2","1","1","2","5","1") = "4"
    & skf21("1","5","2","1","1","2","6","1") = "5"
    & skf21("1","5","2","1","1","2","7","1") = "6"
    & skf21("1","5","2","1","1","3","1","1") = "4"
    & skf21("1","5","2","1","1","3","2","1") = "4"
    & skf21("1","5","2","1","1","3","3","1") = "4"
    & skf21("1","5","2","1","1","3","4","1") = "4"
    & skf21("1","5","2","1","1","3","5","1") = "4"
    & skf21("1","5","2","1","1","3","6","1") = "5"
    & skf21("1","5","2","1","1","3","7","1") = "6"
    & skf21("1","5","2","1","1","4","1","1") = "4"
    & skf21("1","5","2","1","1","4","2","1") = "4"
    & skf21("1","5","2","1","1","4","3","1") = "4"
    & skf21("1","5","2","1","1","4","4","1") = "4"
    & skf21("1","5","2","1","1","4","5","1") = "4"
    & skf21("1","5","2","1","1","4","6","1") = "5"
    & skf21("1","5","2","1","1","4","7","1") = "6"
    & skf21("1","5","2","1","1","5","1","1") = "4"
    & skf21("1","5","2","1","1","5","2","1") = "4"
    & skf21("1","5","2","1","1","5","3","1") = "4"
    & skf21("1","5","2","1","1","5","4","1") = "4"
    & skf21("1","5","2","1","1","5","5","1") = "4"
    & skf21("1","5","2","1","1","5","6","1") = "5"
    & skf21("1","5","2","1","1","5","7","1") = "6"
    & skf21("1","5","2","1","1","6","1","1") = "5"
    & skf21("1","5","2","1","1","6","2","1") = "5"
    & skf21("1","5","2","1","1","6","3","1") = "5"
    & skf21("1","5","2","1","1","6","4","1") = "5"
    & skf21("1","5","2","1","1","6","5","1") = "5"
    & skf21("1","5","2","1","1","6","6","1") = "5"
    & skf21("1","5","2","1","1","6","7","1") = "6"
    & skf21("1","5","2","1","1","7","1","1") = "6"
    & skf21("1","5","2","1","1","7","2","1") = "6"
    & skf21("1","5","2","1","1","7","3","1") = "6"
    & skf21("1","5","2","1","1","7","4","1") = "6"
    & skf21("1","5","2","1","1","7","5","1") = "6"
    & skf21("1","5","2","1","1","7","6","1") = "6"
    & skf21("1","5","2","1","1","7","7","1") = "6"
    & skf21("1","5","2","1","2","1","1","1") = "4"
    & skf21("1","5","2","1","2","1","2","1") = "4"
    & skf21("1","5","2","1","2","1","3","1") = "4"
    & skf21("1","5","2","1","2","1","4","1") = "4"
    & skf21("1","5","2","1","2","1","5","1") = "4"
    & skf21("1","5","2","1","2","1","6","1") = "5"
    & skf21("1","5","2","1","2","1","7","1") = "6"
    & skf21("1","5","2","1","2","2","1","1") = "4"
    & skf21("1","5","2","1","2","2","2","1") = "4"
    & skf21("1","5","2","1","2","2","3","1") = "4"
    & skf21("1","5","2","1","2","2","4","1") = "4"
    & skf21("1","5","2","1","2","2","5","1") = "4"
    & skf21("1","5","2","1","2","2","6","1") = "5"
    & skf21("1","5","2","1","2","2","7","1") = "6"
    & skf21("1","5","2","1","2","3","1","1") = "4"
    & skf21("1","5","2","1","2","3","2","1") = "4"
    & skf21("1","5","2","1","2","3","3","1") = "4"
    & skf21("1","5","2","1","2","3","4","1") = "4"
    & skf21("1","5","2","1","2","3","5","1") = "4"
    & skf21("1","5","2","1","2","3","6","1") = "5"
    & skf21("1","5","2","1","2","3","7","1") = "6"
    & skf21("1","5","2","1","2","4","1","1") = "4"
    & skf21("1","5","2","1","2","4","2","1") = "4"
    & skf21("1","5","2","1","2","4","3","1") = "4"
    & skf21("1","5","2","1","2","4","4","1") = "4"
    & skf21("1","5","2","1","2","4","5","1") = "4"
    & skf21("1","5","2","1","2","4","6","1") = "5"
    & skf21("1","5","2","1","2","4","7","1") = "6"
    & skf21("1","5","2","1","2","5","1","1") = "4"
    & skf21("1","5","2","1","2","5","2","1") = "4"
    & skf21("1","5","2","1","2","5","3","1") = "4"
    & skf21("1","5","2","1","2","5","4","1") = "4"
    & skf21("1","5","2","1","2","5","5","1") = "4"
    & skf21("1","5","2","1","2","5","6","1") = "5"
    & skf21("1","5","2","1","2","5","7","1") = "6"
    & skf21("1","5","2","1","2","6","1","1") = "5"
    & skf21("1","5","2","1","2","6","2","1") = "5"
    & skf21("1","5","2","1","2","6","3","1") = "5"
    & skf21("1","5","2","1","2","6","4","1") = "5"
    & skf21("1","5","2","1","2","6","5","1") = "5"
    & skf21("1","5","2","1","2","6","6","1") = "5"
    & skf21("1","5","2","1","2","6","7","1") = "6"
    & skf21("1","5","2","1","2","7","1","1") = "6"
    & skf21("1","5","2","1","2","7","2","1") = "6"
    & skf21("1","5","2","1","2","7","3","1") = "6"
    & skf21("1","5","2","1","2","7","4","1") = "6"
    & skf21("1","5","2","1","2","7","5","1") = "6"
    & skf21("1","5","2","1","2","7","6","1") = "6"
    & skf21("1","5","2","1","2","7","7","1") = "6"
    & skf21("1","5","2","1","3","1","1","1") = "4"
    & skf21("1","5","2","1","3","1","2","1") = "4"
    & skf21("1","5","2","1","3","1","3","1") = "4"
    & skf21("1","5","2","1","3","1","4","1") = "4"
    & skf21("1","5","2","1","3","1","5","1") = "4"
    & skf21("1","5","2","1","3","1","6","1") = "5"
    & skf21("1","5","2","1","3","1","7","1") = "6"
    & skf21("1","5","2","1","3","2","1","1") = "4"
    & skf21("1","5","2","1","3","2","2","1") = "4"
    & skf21("1","5","2","1","3","2","3","1") = "4"
    & skf21("1","5","2","1","3","2","4","1") = "4"
    & skf21("1","5","2","1","3","2","5","1") = "4"
    & skf21("1","5","2","1","3","2","6","1") = "5"
    & skf21("1","5","2","1","3","2","7","1") = "6"
    & skf21("1","5","2","1","3","3","1","1") = "4"
    & skf21("1","5","2","1","3","3","2","1") = "4"
    & skf21("1","5","2","1","3","3","3","1") = "4"
    & skf21("1","5","2","1","3","3","4","1") = "4"
    & skf21("1","5","2","1","3","3","5","1") = "4"
    & skf21("1","5","2","1","3","3","6","1") = "5"
    & skf21("1","5","2","1","3","3","7","1") = "6"
    & skf21("1","5","2","1","3","4","1","1") = "4"
    & skf21("1","5","2","1","3","4","2","1") = "4"
    & skf21("1","5","2","1","3","4","3","1") = "4"
    & skf21("1","5","2","1","3","4","4","1") = "4"
    & skf21("1","5","2","1","3","4","5","1") = "4"
    & skf21("1","5","2","1","3","4","6","1") = "5"
    & skf21("1","5","2","1","3","4","7","1") = "6"
    & skf21("1","5","2","1","3","5","1","1") = "4"
    & skf21("1","5","2","1","3","5","2","1") = "4"
    & skf21("1","5","2","1","3","5","3","1") = "4"
    & skf21("1","5","2","1","3","5","4","1") = "4"
    & skf21("1","5","2","1","3","5","5","1") = "4"
    & skf21("1","5","2","1","3","5","6","1") = "5"
    & skf21("1","5","2","1","3","5","7","1") = "6"
    & skf21("1","5","2","1","3","6","1","1") = "5"
    & skf21("1","5","2","1","3","6","2","1") = "5"
    & skf21("1","5","2","1","3","6","3","1") = "5"
    & skf21("1","5","2","1","3","6","4","1") = "5"
    & skf21("1","5","2","1","3","6","5","1") = "5"
    & skf21("1","5","2","1","3","6","6","1") = "5"
    & skf21("1","5","2","1","3","6","7","1") = "6"
    & skf21("1","5","2","1","3","7","1","1") = "6"
    & skf21("1","5","2","1","3","7","2","1") = "6"
    & skf21("1","5","2","1","3","7","3","1") = "6"
    & skf21("1","5","2","1","3","7","4","1") = "6"
    & skf21("1","5","2","1","3","7","5","1") = "6"
    & skf21("1","5","2","1","3","7","6","1") = "6"
    & skf21("1","5","2","1","3","7","7","1") = "6"
    & skf21("1","5","2","1","4","1","1","1") = "4"
    & skf21("1","5","2","1","4","1","2","1") = "4"
    & skf21("1","5","2","1","4","1","3","1") = "4"
    & skf21("1","5","2","1","4","1","4","1") = "4"
    & skf21("1","5","2","1","4","1","5","1") = "4"
    & skf21("1","5","2","1","4","1","6","1") = "5"
    & skf21("1","5","2","1","4","1","7","1") = "6"
    & skf21("1","5","2","1","4","2","1","1") = "4"
    & skf21("1","5","2","1","4","2","2","1") = "4"
    & skf21("1","5","2","1","4","2","3","1") = "4"
    & skf21("1","5","2","1","4","2","4","1") = "4"
    & skf21("1","5","2","1","4","2","5","1") = "4"
    & skf21("1","5","2","1","4","2","6","1") = "5"
    & skf21("1","5","2","1","4","2","7","1") = "6"
    & skf21("1","5","2","1","4","3","1","1") = "4"
    & skf21("1","5","2","1","4","3","2","1") = "4"
    & skf21("1","5","2","1","4","3","3","1") = "4"
    & skf21("1","5","2","1","4","3","4","1") = "4"
    & skf21("1","5","2","1","4","3","5","1") = "4"
    & skf21("1","5","2","1","4","3","6","1") = "5"
    & skf21("1","5","2","1","4","3","7","1") = "6"
    & skf21("1","5","2","1","4","4","1","1") = "4"
    & skf21("1","5","2","1","4","4","2","1") = "4"
    & skf21("1","5","2","1","4","4","3","1") = "4"
    & skf21("1","5","2","1","4","4","4","1") = "4"
    & skf21("1","5","2","1","4","4","5","1") = "4"
    & skf21("1","5","2","1","4","4","6","1") = "5"
    & skf21("1","5","2","1","4","4","7","1") = "6"
    & skf21("1","5","2","1","4","5","1","1") = "4"
    & skf21("1","5","2","1","4","5","2","1") = "4"
    & skf21("1","5","2","1","4","5","3","1") = "4"
    & skf21("1","5","2","1","4","5","4","1") = "4"
    & skf21("1","5","2","1","4","5","5","1") = "4"
    & skf21("1","5","2","1","4","5","6","1") = "5"
    & skf21("1","5","2","1","4","5","7","1") = "6"
    & skf21("1","5","2","1","4","6","1","1") = "5"
    & skf21("1","5","2","1","4","6","2","1") = "5"
    & skf21("1","5","2","1","4","6","3","1") = "5"
    & skf21("1","5","2","1","4","6","4","1") = "5"
    & skf21("1","5","2","1","4","6","5","1") = "5"
    & skf21("1","5","2","1","4","6","6","1") = "5"
    & skf21("1","5","2","1","4","6","7","1") = "6"
    & skf21("1","5","2","1","4","7","1","1") = "6"
    & skf21("1","5","2","1","4","7","2","1") = "6"
    & skf21("1","5","2","1","4","7","3","1") = "6"
    & skf21("1","5","2","1","4","7","4","1") = "6"
    & skf21("1","5","2","1","4","7","5","1") = "6"
    & skf21("1","5","2","1","4","7","6","1") = "6"
    & skf21("1","5","2","1","4","7","7","1") = "6"
    & skf21("1","5","2","1","5","1","1","1") = "4"
    & skf21("1","5","2","1","5","1","2","1") = "4"
    & skf21("1","5","2","1","5","1","3","1") = "4"
    & skf21("1","5","2","1","5","1","4","1") = "4"
    & skf21("1","5","2","1","5","1","5","1") = "4"
    & skf21("1","5","2","1","5","1","6","1") = "5"
    & skf21("1","5","2","1","5","1","7","1") = "6"
    & skf21("1","5","2","1","5","2","1","1") = "4"
    & skf21("1","5","2","1","5","2","2","1") = "4"
    & skf21("1","5","2","1","5","2","3","1") = "4"
    & skf21("1","5","2","1","5","2","4","1") = "4"
    & skf21("1","5","2","1","5","2","5","1") = "4"
    & skf21("1","5","2","1","5","2","6","1") = "5"
    & skf21("1","5","2","1","5","2","7","1") = "6"
    & skf21("1","5","2","1","5","3","1","1") = "4"
    & skf21("1","5","2","1","5","3","2","1") = "4"
    & skf21("1","5","2","1","5","3","3","1") = "4"
    & skf21("1","5","2","1","5","3","4","1") = "4"
    & skf21("1","5","2","1","5","3","5","1") = "4"
    & skf21("1","5","2","1","5","3","6","1") = "5"
    & skf21("1","5","2","1","5","3","7","1") = "6"
    & skf21("1","5","2","1","5","4","1","1") = "4"
    & skf21("1","5","2","1","5","4","2","1") = "4"
    & skf21("1","5","2","1","5","4","3","1") = "4"
    & skf21("1","5","2","1","5","4","4","1") = "4"
    & skf21("1","5","2","1","5","4","5","1") = "4"
    & skf21("1","5","2","1","5","4","6","1") = "5"
    & skf21("1","5","2","1","5","4","7","1") = "6"
    & skf21("1","5","2","1","5","5","1","1") = "4"
    & skf21("1","5","2","1","5","5","2","1") = "4"
    & skf21("1","5","2","1","5","5","3","1") = "4"
    & skf21("1","5","2","1","5","5","4","1") = "4"
    & skf21("1","5","2","1","5","5","5","1") = "4"
    & skf21("1","5","2","1","5","5","6","1") = "5"
    & skf21("1","5","2","1","5","5","7","1") = "6"
    & skf21("1","5","2","1","5","6","1","1") = "5"
    & skf21("1","5","2","1","5","6","2","1") = "5"
    & skf21("1","5","2","1","5","6","3","1") = "5"
    & skf21("1","5","2","1","5","6","4","1") = "5"
    & skf21("1","5","2","1","5","6","5","1") = "5"
    & skf21("1","5","2","1","5","6","6","1") = "5"
    & skf21("1","5","2","1","5","6","7","1") = "6"
    & skf21("1","5","2","1","5","7","1","1") = "6"
    & skf21("1","5","2","1","5","7","2","1") = "6"
    & skf21("1","5","2","1","5","7","3","1") = "6"
    & skf21("1","5","2","1","5","7","4","1") = "6"
    & skf21("1","5","2","1","5","7","5","1") = "6"
    & skf21("1","5","2","1","5","7","6","1") = "6"
    & skf21("1","5","2","1","5","7","7","1") = "6"
    & skf21("1","5","2","1","6","1","1","1") = "5"
    & skf21("1","5","2","1","6","1","2","1") = "5"
    & skf21("1","5","2","1","6","1","3","1") = "5"
    & skf21("1","5","2","1","6","1","4","1") = "5"
    & skf21("1","5","2","1","6","1","5","1") = "5"
    & skf21("1","5","2","1","6","1","6","1") = "5"
    & skf21("1","5","2","1","6","1","7","1") = "6"
    & skf21("1","5","2","1","6","2","1","1") = "5"
    & skf21("1","5","2","1","6","2","2","1") = "5"
    & skf21("1","5","2","1","6","2","3","1") = "5"
    & skf21("1","5","2","1","6","2","4","1") = "5"
    & skf21("1","5","2","1","6","2","5","1") = "5"
    & skf21("1","5","2","1","6","2","6","1") = "5"
    & skf21("1","5","2","1","6","2","7","1") = "6"
    & skf21("1","5","2","1","6","3","1","1") = "5"
    & skf21("1","5","2","1","6","3","2","1") = "5"
    & skf21("1","5","2","1","6","3","3","1") = "5"
    & skf21("1","5","2","1","6","3","4","1") = "5"
    & skf21("1","5","2","1","6","3","5","1") = "5"
    & skf21("1","5","2","1","6","3","6","1") = "5"
    & skf21("1","5","2","1","6","3","7","1") = "6"
    & skf21("1","5","2","1","6","4","1","1") = "5"
    & skf21("1","5","2","1","6","4","2","1") = "5"
    & skf21("1","5","2","1","6","4","3","1") = "5"
    & skf21("1","5","2","1","6","4","4","1") = "5"
    & skf21("1","5","2","1","6","4","5","1") = "5"
    & skf21("1","5","2","1","6","4","6","1") = "5"
    & skf21("1","5","2","1","6","4","7","1") = "6"
    & skf21("1","5","2","1","6","5","1","1") = "5"
    & skf21("1","5","2","1","6","5","2","1") = "5"
    & skf21("1","5","2","1","6","5","3","1") = "5"
    & skf21("1","5","2","1","6","5","4","1") = "5"
    & skf21("1","5","2","1","6","5","5","1") = "5"
    & skf21("1","5","2","1","6","5","6","1") = "5"
    & skf21("1","5","2","1","6","5","7","1") = "6"
    & skf21("1","5","2","1","6","6","1","1") = "5"
    & skf21("1","5","2","1","6","6","2","1") = "5"
    & skf21("1","5","2","1","6","6","3","1") = "5"
    & skf21("1","5","2","1","6","6","4","1") = "5"
    & skf21("1","5","2","1","6","6","5","1") = "5"
    & skf21("1","5","2","1","6","6","6","1") = "5"
    & skf21("1","5","2","1","6","6","7","1") = "6"
    & skf21("1","5","2","1","6","7","1","1") = "6"
    & skf21("1","5","2","1","6","7","2","1") = "6"
    & skf21("1","5","2","1","6","7","3","1") = "6"
    & skf21("1","5","2","1","6","7","4","1") = "6"
    & skf21("1","5","2","1","6","7","5","1") = "6"
    & skf21("1","5","2","1","6","7","6","1") = "6"
    & skf21("1","5","2","1","6","7","7","1") = "6"
    & skf21("1","5","2","1","7","1","1","1") = "6"
    & skf21("1","5","2","1","7","1","2","1") = "6"
    & skf21("1","5","2","1","7","1","3","1") = "6"
    & skf21("1","5","2","1","7","1","4","1") = "6"
    & skf21("1","5","2","1","7","1","5","1") = "6"
    & skf21("1","5","2","1","7","1","6","1") = "6"
    & skf21("1","5","2","1","7","1","7","1") = "6"
    & skf21("1","5","2","1","7","2","1","1") = "6"
    & skf21("1","5","2","1","7","2","2","1") = "6"
    & skf21("1","5","2","1","7","2","3","1") = "6"
    & skf21("1","5","2","1","7","2","4","1") = "6"
    & skf21("1","5","2","1","7","2","5","1") = "6"
    & skf21("1","5","2","1","7","2","6","1") = "6"
    & skf21("1","5","2","1","7","2","7","1") = "6"
    & skf21("1","5","2","1","7","3","1","1") = "6"
    & skf21("1","5","2","1","7","3","2","1") = "6"
    & skf21("1","5","2","1","7","3","3","1") = "6"
    & skf21("1","5","2","1","7","3","4","1") = "6"
    & skf21("1","5","2","1","7","3","5","1") = "6"
    & skf21("1","5","2","1","7","3","6","1") = "6"
    & skf21("1","5","2","1","7","3","7","1") = "6"
    & skf21("1","5","2","1","7","4","1","1") = "6"
    & skf21("1","5","2","1","7","4","2","1") = "6"
    & skf21("1","5","2","1","7","4","3","1") = "6"
    & skf21("1","5","2","1","7","4","4","1") = "6"
    & skf21("1","5","2","1","7","4","5","1") = "6"
    & skf21("1","5","2","1","7","4","6","1") = "6"
    & skf21("1","5","2","1","7","4","7","1") = "6"
    & skf21("1","5","2","1","7","5","1","1") = "6"
    & skf21("1","5","2","1","7","5","2","1") = "6"
    & skf21("1","5","2","1","7","5","3","1") = "6"
    & skf21("1","5","2","1","7","5","4","1") = "6"
    & skf21("1","5","2","1","7","5","5","1") = "6"
    & skf21("1","5","2","1","7","5","6","1") = "6"
    & skf21("1","5","2","1","7","5","7","1") = "6"
    & skf21("1","5","2","1","7","6","1","1") = "6"
    & skf21("1","5","2","1","7","6","2","1") = "6"
    & skf21("1","5","2","1","7","6","3","1") = "6"
    & skf21("1","5","2","1","7","6","4","1") = "6"
    & skf21("1","5","2","1","7","6","5","1") = "6"
    & skf21("1","5","2","1","7","6","6","1") = "6"
    & skf21("1","5","2","1","7","6","7","1") = "6"
    & skf21("1","5","2","1","7","7","1","1") = "6"
    & skf21("1","5","2","1","7","7","2","1") = "6"
    & skf21("1","5","2","1","7","7","3","1") = "6"
    & skf21("1","5","2","1","7","7","4","1") = "6"
    & skf21("1","5","2","1","7","7","5","1") = "6"
    & skf21("1","5","2","1","7","7","6","1") = "6"
    & skf21("1","5","2","1","7","7","7","1") = "6"
    & skf21("1","5","2","2","1","1","1","1") = "4"
    & skf21("1","5","2","2","1","1","2","1") = "4"
    & skf21("1","5","2","2","1","1","3","1") = "4"
    & skf21("1","5","2","2","1","1","4","1") = "4"
    & skf21("1","5","2","2","1","1","5","1") = "4"
    & skf21("1","5","2","2","1","1","6","1") = "5"
    & skf21("1","5","2","2","1","1","7","1") = "6"
    & skf21("1","5","2","2","1","2","1","1") = "4"
    & skf21("1","5","2","2","1","2","2","1") = "4"
    & skf21("1","5","2","2","1","2","3","1") = "4"
    & skf21("1","5","2","2","1","2","4","1") = "4"
    & skf21("1","5","2","2","1","2","5","1") = "4"
    & skf21("1","5","2","2","1","2","6","1") = "5"
    & skf21("1","5","2","2","1","2","7","1") = "6"
    & skf21("1","5","2","2","1","3","1","1") = "4"
    & skf21("1","5","2","2","1","3","2","1") = "4"
    & skf21("1","5","2","2","1","3","3","1") = "4"
    & skf21("1","5","2","2","1","3","4","1") = "4"
    & skf21("1","5","2","2","1","3","5","1") = "4"
    & skf21("1","5","2","2","1","3","6","1") = "5"
    & skf21("1","5","2","2","1","3","7","1") = "6"
    & skf21("1","5","2","2","1","4","1","1") = "4"
    & skf21("1","5","2","2","1","4","2","1") = "4"
    & skf21("1","5","2","2","1","4","3","1") = "4"
    & skf21("1","5","2","2","1","4","4","1") = "4"
    & skf21("1","5","2","2","1","4","5","1") = "4"
    & skf21("1","5","2","2","1","4","6","1") = "5"
    & skf21("1","5","2","2","1","4","7","1") = "6"
    & skf21("1","5","2","2","1","5","1","1") = "4"
    & skf21("1","5","2","2","1","5","2","1") = "4"
    & skf21("1","5","2","2","1","5","3","1") = "4"
    & skf21("1","5","2","2","1","5","4","1") = "4"
    & skf21("1","5","2","2","1","5","5","1") = "4"
    & skf21("1","5","2","2","1","5","6","1") = "5"
    & skf21("1","5","2","2","1","5","7","1") = "6"
    & skf21("1","5","2","2","1","6","1","1") = "5"
    & skf21("1","5","2","2","1","6","2","1") = "5"
    & skf21("1","5","2","2","1","6","3","1") = "5"
    & skf21("1","5","2","2","1","6","4","1") = "5"
    & skf21("1","5","2","2","1","6","5","1") = "5"
    & skf21("1","5","2","2","1","6","6","1") = "5"
    & skf21("1","5","2","2","1","6","7","1") = "6"
    & skf21("1","5","2","2","1","7","1","1") = "6"
    & skf21("1","5","2","2","1","7","2","1") = "6"
    & skf21("1","5","2","2","1","7","3","1") = "6"
    & skf21("1","5","2","2","1","7","4","1") = "6"
    & skf21("1","5","2","2","1","7","5","1") = "6"
    & skf21("1","5","2","2","1","7","6","1") = "6"
    & skf21("1","5","2","2","1","7","7","1") = "6"
    & skf21("1","5","2","2","2","1","1","1") = "4"
    & skf21("1","5","2","2","2","1","2","1") = "4"
    & skf21("1","5","2","2","2","1","3","1") = "4"
    & skf21("1","5","2","2","2","1","4","1") = "4"
    & skf21("1","5","2","2","2","1","5","1") = "4"
    & skf21("1","5","2","2","2","1","6","1") = "5"
    & skf21("1","5","2","2","2","1","7","1") = "6"
    & skf21("1","5","2","2","2","2","1","1") = "4"
    & skf21("1","5","2","2","2","2","2","1") = "4"
    & skf21("1","5","2","2","2","2","3","1") = "4"
    & skf21("1","5","2","2","2","2","4","1") = "4"
    & skf21("1","5","2","2","2","2","5","1") = "4"
    & skf21("1","5","2","2","2","2","6","1") = "5"
    & skf21("1","5","2","2","2","2","7","1") = "6"
    & skf21("1","5","2","2","2","3","1","1") = "4"
    & skf21("1","5","2","2","2","3","2","1") = "4"
    & skf21("1","5","2","2","2","3","3","1") = "4"
    & skf21("1","5","2","2","2","3","4","1") = "4"
    & skf21("1","5","2","2","2","3","5","1") = "4"
    & skf21("1","5","2","2","2","3","6","1") = "5"
    & skf21("1","5","2","2","2","3","7","1") = "6"
    & skf21("1","5","2","2","2","4","1","1") = "4"
    & skf21("1","5","2","2","2","4","2","1") = "4"
    & skf21("1","5","2","2","2","4","3","1") = "4"
    & skf21("1","5","2","2","2","4","4","1") = "4"
    & skf21("1","5","2","2","2","4","5","1") = "4"
    & skf21("1","5","2","2","2","4","6","1") = "5"
    & skf21("1","5","2","2","2","4","7","1") = "6"
    & skf21("1","5","2","2","2","5","1","1") = "4"
    & skf21("1","5","2","2","2","5","2","1") = "4"
    & skf21("1","5","2","2","2","5","3","1") = "4"
    & skf21("1","5","2","2","2","5","4","1") = "4"
    & skf21("1","5","2","2","2","5","5","1") = "4"
    & skf21("1","5","2","2","2","5","6","1") = "5"
    & skf21("1","5","2","2","2","5","7","1") = "6"
    & skf21("1","5","2","2","2","6","1","1") = "5"
    & skf21("1","5","2","2","2","6","2","1") = "5"
    & skf21("1","5","2","2","2","6","3","1") = "5"
    & skf21("1","5","2","2","2","6","4","1") = "5"
    & skf21("1","5","2","2","2","6","5","1") = "5"
    & skf21("1","5","2","2","2","6","6","1") = "5"
    & skf21("1","5","2","2","2","6","7","1") = "6"
    & skf21("1","5","2","2","2","7","1","1") = "6"
    & skf21("1","5","2","2","2","7","2","1") = "6"
    & skf21("1","5","2","2","2","7","3","1") = "6"
    & skf21("1","5","2","2","2","7","4","1") = "6"
    & skf21("1","5","2","2","2","7","5","1") = "6"
    & skf21("1","5","2","2","2","7","6","1") = "6"
    & skf21("1","5","2","2","2","7","7","1") = "6"
    & skf21("1","5","2","2","3","1","1","1") = "4"
    & skf21("1","5","2","2","3","1","2","1") = "4"
    & skf21("1","5","2","2","3","1","3","1") = "4"
    & skf21("1","5","2","2","3","1","4","1") = "4"
    & skf21("1","5","2","2","3","1","5","1") = "4"
    & skf21("1","5","2","2","3","1","6","1") = "5"
    & skf21("1","5","2","2","3","1","7","1") = "6"
    & skf21("1","5","2","2","3","2","1","1") = "4"
    & skf21("1","5","2","2","3","2","2","1") = "4"
    & skf21("1","5","2","2","3","2","3","1") = "4"
    & skf21("1","5","2","2","3","2","4","1") = "4"
    & skf21("1","5","2","2","3","2","5","1") = "4"
    & skf21("1","5","2","2","3","2","6","1") = "5"
    & skf21("1","5","2","2","3","2","7","1") = "6"
    & skf21("1","5","2","2","3","3","1","1") = "4"
    & skf21("1","5","2","2","3","3","2","1") = "4"
    & skf21("1","5","2","2","3","3","3","1") = "4"
    & skf21("1","5","2","2","3","3","4","1") = "4"
    & skf21("1","5","2","2","3","3","5","1") = "4"
    & skf21("1","5","2","2","3","3","6","1") = "5"
    & skf21("1","5","2","2","3","3","7","1") = "6"
    & skf21("1","5","2","2","3","4","1","1") = "4"
    & skf21("1","5","2","2","3","4","2","1") = "4"
    & skf21("1","5","2","2","3","4","3","1") = "4"
    & skf21("1","5","2","2","3","4","4","1") = "4"
    & skf21("1","5","2","2","3","4","5","1") = "4"
    & skf21("1","5","2","2","3","4","6","1") = "5"
    & skf21("1","5","2","2","3","4","7","1") = "6"
    & skf21("1","5","2","2","3","5","1","1") = "4"
    & skf21("1","5","2","2","3","5","2","1") = "4"
    & skf21("1","5","2","2","3","5","3","1") = "4"
    & skf21("1","5","2","2","3","5","4","1") = "4"
    & skf21("1","5","2","2","3","5","5","1") = "4"
    & skf21("1","5","2","2","3","5","6","1") = "5"
    & skf21("1","5","2","2","3","5","7","1") = "6"
    & skf21("1","5","2","2","3","6","1","1") = "5"
    & skf21("1","5","2","2","3","6","2","1") = "5"
    & skf21("1","5","2","2","3","6","3","1") = "5"
    & skf21("1","5","2","2","3","6","4","1") = "5"
    & skf21("1","5","2","2","3","6","5","1") = "5"
    & skf21("1","5","2","2","3","6","6","1") = "5"
    & skf21("1","5","2","2","3","6","7","1") = "6"
    & skf21("1","5","2","2","3","7","1","1") = "6"
    & skf21("1","5","2","2","3","7","2","1") = "6"
    & skf21("1","5","2","2","3","7","3","1") = "6"
    & skf21("1","5","2","2","3","7","4","1") = "6"
    & skf21("1","5","2","2","3","7","5","1") = "6"
    & skf21("1","5","2","2","3","7","6","1") = "6"
    & skf21("1","5","2","2","3","7","7","1") = "6"
    & skf21("1","5","2","2","4","1","1","1") = "4"
    & skf21("1","5","2","2","4","1","2","1") = "4"
    & skf21("1","5","2","2","4","1","3","1") = "4"
    & skf21("1","5","2","2","4","1","4","1") = "4"
    & skf21("1","5","2","2","4","1","5","1") = "4"
    & skf21("1","5","2","2","4","1","6","1") = "5"
    & skf21("1","5","2","2","4","1","7","1") = "6"
    & skf21("1","5","2","2","4","2","1","1") = "4"
    & skf21("1","5","2","2","4","2","2","1") = "4"
    & skf21("1","5","2","2","4","2","3","1") = "4"
    & skf21("1","5","2","2","4","2","4","1") = "4"
    & skf21("1","5","2","2","4","2","5","1") = "4"
    & skf21("1","5","2","2","4","2","6","1") = "5"
    & skf21("1","5","2","2","4","2","7","1") = "6"
    & skf21("1","5","2","2","4","3","1","1") = "4"
    & skf21("1","5","2","2","4","3","2","1") = "4"
    & skf21("1","5","2","2","4","3","3","1") = "4"
    & skf21("1","5","2","2","4","3","4","1") = "4"
    & skf21("1","5","2","2","4","3","5","1") = "4"
    & skf21("1","5","2","2","4","3","6","1") = "5"
    & skf21("1","5","2","2","4","3","7","1") = "6"
    & skf21("1","5","2","2","4","4","1","1") = "4"
    & skf21("1","5","2","2","4","4","2","1") = "4"
    & skf21("1","5","2","2","4","4","3","1") = "4"
    & skf21("1","5","2","2","4","4","4","1") = "4"
    & skf21("1","5","2","2","4","4","5","1") = "4"
    & skf21("1","5","2","2","4","4","6","1") = "5"
    & skf21("1","5","2","2","4","4","7","1") = "6"
    & skf21("1","5","2","2","4","5","1","1") = "4"
    & skf21("1","5","2","2","4","5","2","1") = "4"
    & skf21("1","5","2","2","4","5","3","1") = "4"
    & skf21("1","5","2","2","4","5","4","1") = "4"
    & skf21("1","5","2","2","4","5","5","1") = "4"
    & skf21("1","5","2","2","4","5","6","1") = "5"
    & skf21("1","5","2","2","4","5","7","1") = "6"
    & skf21("1","5","2","2","4","6","1","1") = "5"
    & skf21("1","5","2","2","4","6","2","1") = "5"
    & skf21("1","5","2","2","4","6","3","1") = "5"
    & skf21("1","5","2","2","4","6","4","1") = "5"
    & skf21("1","5","2","2","4","6","5","1") = "5"
    & skf21("1","5","2","2","4","6","6","1") = "5"
    & skf21("1","5","2","2","4","6","7","1") = "6"
    & skf21("1","5","2","2","4","7","1","1") = "6"
    & skf21("1","5","2","2","4","7","2","1") = "6"
    & skf21("1","5","2","2","4","7","3","1") = "6"
    & skf21("1","5","2","2","4","7","4","1") = "6"
    & skf21("1","5","2","2","4","7","5","1") = "6"
    & skf21("1","5","2","2","4","7","6","1") = "6"
    & skf21("1","5","2","2","4","7","7","1") = "6"
    & skf21("1","5","2","2","5","1","1","1") = "4"
    & skf21("1","5","2","2","5","1","2","1") = "4"
    & skf21("1","5","2","2","5","1","3","1") = "4"
    & skf21("1","5","2","2","5","1","4","1") = "4"
    & skf21("1","5","2","2","5","1","5","1") = "4"
    & skf21("1","5","2","2","5","1","6","1") = "5"
    & skf21("1","5","2","2","5","1","7","1") = "6"
    & skf21("1","5","2","2","5","2","1","1") = "4"
    & skf21("1","5","2","2","5","2","2","1") = "4"
    & skf21("1","5","2","2","5","2","3","1") = "4"
    & skf21("1","5","2","2","5","2","4","1") = "4"
    & skf21("1","5","2","2","5","2","5","1") = "4"
    & skf21("1","5","2","2","5","2","6","1") = "5"
    & skf21("1","5","2","2","5","2","7","1") = "6"
    & skf21("1","5","2","2","5","3","1","1") = "4"
    & skf21("1","5","2","2","5","3","2","1") = "4"
    & skf21("1","5","2","2","5","3","3","1") = "4"
    & skf21("1","5","2","2","5","3","4","1") = "4"
    & skf21("1","5","2","2","5","3","5","1") = "4"
    & skf21("1","5","2","2","5","3","6","1") = "5"
    & skf21("1","5","2","2","5","3","7","1") = "6"
    & skf21("1","5","2","2","5","4","1","1") = "4"
    & skf21("1","5","2","2","5","4","2","1") = "4"
    & skf21("1","5","2","2","5","4","3","1") = "4"
    & skf21("1","5","2","2","5","4","4","1") = "4"
    & skf21("1","5","2","2","5","4","5","1") = "4"
    & skf21("1","5","2","2","5","4","6","1") = "5"
    & skf21("1","5","2","2","5","4","7","1") = "6"
    & skf21("1","5","2","2","5","5","1","1") = "4"
    & skf21("1","5","2","2","5","5","2","1") = "4"
    & skf21("1","5","2","2","5","5","3","1") = "4"
    & skf21("1","5","2","2","5","5","4","1") = "4"
    & skf21("1","5","2","2","5","5","5","1") = "4"
    & skf21("1","5","2","2","5","5","6","1") = "5"
    & skf21("1","5","2","2","5","5","7","1") = "6"
    & skf21("1","5","2","2","5","6","1","1") = "5"
    & skf21("1","5","2","2","5","6","2","1") = "5"
    & skf21("1","5","2","2","5","6","3","1") = "5"
    & skf21("1","5","2","2","5","6","4","1") = "5"
    & skf21("1","5","2","2","5","6","5","1") = "5"
    & skf21("1","5","2","2","5","6","6","1") = "5"
    & skf21("1","5","2","2","5","6","7","1") = "6"
    & skf21("1","5","2","2","5","7","1","1") = "6"
    & skf21("1","5","2","2","5","7","2","1") = "6"
    & skf21("1","5","2","2","5","7","3","1") = "6"
    & skf21("1","5","2","2","5","7","4","1") = "6"
    & skf21("1","5","2","2","5","7","5","1") = "6"
    & skf21("1","5","2","2","5","7","6","1") = "6"
    & skf21("1","5","2","2","5","7","7","1") = "6"
    & skf21("1","5","2","2","6","1","1","1") = "5"
    & skf21("1","5","2","2","6","1","2","1") = "5"
    & skf21("1","5","2","2","6","1","3","1") = "5"
    & skf21("1","5","2","2","6","1","4","1") = "5"
    & skf21("1","5","2","2","6","1","5","1") = "5"
    & skf21("1","5","2","2","6","1","6","1") = "5"
    & skf21("1","5","2","2","6","1","7","1") = "6"
    & skf21("1","5","2","2","6","2","1","1") = "5"
    & skf21("1","5","2","2","6","2","2","1") = "5"
    & skf21("1","5","2","2","6","2","3","1") = "5"
    & skf21("1","5","2","2","6","2","4","1") = "5"
    & skf21("1","5","2","2","6","2","5","1") = "5"
    & skf21("1","5","2","2","6","2","6","1") = "5"
    & skf21("1","5","2","2","6","2","7","1") = "6"
    & skf21("1","5","2","2","6","3","1","1") = "5"
    & skf21("1","5","2","2","6","3","2","1") = "5"
    & skf21("1","5","2","2","6","3","3","1") = "5"
    & skf21("1","5","2","2","6","3","4","1") = "5"
    & skf21("1","5","2","2","6","3","5","1") = "5"
    & skf21("1","5","2","2","6","3","6","1") = "5"
    & skf21("1","5","2","2","6","3","7","1") = "6"
    & skf21("1","5","2","2","6","4","1","1") = "5"
    & skf21("1","5","2","2","6","4","2","1") = "5"
    & skf21("1","5","2","2","6","4","3","1") = "5"
    & skf21("1","5","2","2","6","4","4","1") = "5"
    & skf21("1","5","2","2","6","4","5","1") = "5"
    & skf21("1","5","2","2","6","4","6","1") = "5"
    & skf21("1","5","2","2","6","4","7","1") = "6"
    & skf21("1","5","2","2","6","5","1","1") = "5"
    & skf21("1","5","2","2","6","5","2","1") = "5"
    & skf21("1","5","2","2","6","5","3","1") = "5"
    & skf21("1","5","2","2","6","5","4","1") = "5"
    & skf21("1","5","2","2","6","5","5","1") = "5"
    & skf21("1","5","2","2","6","5","6","1") = "5"
    & skf21("1","5","2","2","6","5","7","1") = "6"
    & skf21("1","5","2","2","6","6","1","1") = "5"
    & skf21("1","5","2","2","6","6","2","1") = "5"
    & skf21("1","5","2","2","6","6","3","1") = "5"
    & skf21("1","5","2","2","6","6","4","1") = "5"
    & skf21("1","5","2","2","6","6","5","1") = "5"
    & skf21("1","5","2","2","6","6","6","1") = "5"
    & skf21("1","5","2","2","6","6","7","1") = "6"
    & skf21("1","5","2","2","6","7","1","1") = "6"
    & skf21("1","5","2","2","6","7","2","1") = "6"
    & skf21("1","5","2","2","6","7","3","1") = "6"
    & skf21("1","5","2","2","6","7","4","1") = "6"
    & skf21("1","5","2","2","6","7","5","1") = "6"
    & skf21("1","5","2","2","6","7","6","1") = "6"
    & skf21("1","5","2","2","6","7","7","1") = "6"
    & skf21("1","5","2","2","7","1","1","1") = "6"
    & skf21("1","5","2","2","7","1","2","1") = "6"
    & skf21("1","5","2","2","7","1","3","1") = "6"
    & skf21("1","5","2","2","7","1","4","1") = "6"
    & skf21("1","5","2","2","7","1","5","1") = "6"
    & skf21("1","5","2","2","7","1","6","1") = "6"
    & skf21("1","5","2","2","7","1","7","1") = "6"
    & skf21("1","5","2","2","7","2","1","1") = "6"
    & skf21("1","5","2","2","7","2","2","1") = "6"
    & skf21("1","5","2","2","7","2","3","1") = "6"
    & skf21("1","5","2","2","7","2","4","1") = "6"
    & skf21("1","5","2","2","7","2","5","1") = "6"
    & skf21("1","5","2","2","7","2","6","1") = "6"
    & skf21("1","5","2","2","7","2","7","1") = "6"
    & skf21("1","5","2","2","7","3","1","1") = "6"
    & skf21("1","5","2","2","7","3","2","1") = "6"
    & skf21("1","5","2","2","7","3","3","1") = "6"
    & skf21("1","5","2","2","7","3","4","1") = "6"
    & skf21("1","5","2","2","7","3","5","1") = "6"
    & skf21("1","5","2","2","7","3","6","1") = "6"
    & skf21("1","5","2","2","7","3","7","1") = "6"
    & skf21("1","5","2","2","7","4","1","1") = "6"
    & skf21("1","5","2","2","7","4","2","1") = "6"
    & skf21("1","5","2","2","7","4","3","1") = "6"
    & skf21("1","5","2","2","7","4","4","1") = "6"
    & skf21("1","5","2","2","7","4","5","1") = "6"
    & skf21("1","5","2","2","7","4","6","1") = "6"
    & skf21("1","5","2","2","7","4","7","1") = "6"
    & skf21("1","5","2","2","7","5","1","1") = "6"
    & skf21("1","5","2","2","7","5","2","1") = "6"
    & skf21("1","5","2","2","7","5","3","1") = "6"
    & skf21("1","5","2","2","7","5","4","1") = "6"
    & skf21("1","5","2","2","7","5","5","1") = "6"
    & skf21("1","5","2","2","7","5","6","1") = "6"
    & skf21("1","5","2","2","7","5","7","1") = "6"
    & skf21("1","5","2","2","7","6","1","1") = "6"
    & skf21("1","5","2","2","7","6","2","1") = "6"
    & skf21("1","5","2","2","7","6","3","1") = "6"
    & skf21("1","5","2","2","7","6","4","1") = "6"
    & skf21("1","5","2","2","7","6","5","1") = "6"
    & skf21("1","5","2","2","7","6","6","1") = "6"
    & skf21("1","5","2","2","7","6","7","1") = "6"
    & skf21("1","5","2","2","7","7","1","1") = "6"
    & skf21("1","5","2","2","7","7","2","1") = "6"
    & skf21("1","5","2","2","7","7","3","1") = "6"
    & skf21("1","5","2","2","7","7","4","1") = "6"
    & skf21("1","5","2","2","7","7","5","1") = "6"
    & skf21("1","5","2","2","7","7","6","1") = "6"
    & skf21("1","5","2","2","7","7","7","1") = "6"
    & skf21("1","5","2","3","1","1","1","1") = "4"
    & skf21("1","5","2","3","1","1","2","1") = "4"
    & skf21("1","5","2","3","1","1","3","1") = "4"
    & skf21("1","5","2","3","1","1","4","1") = "4"
    & skf21("1","5","2","3","1","1","5","1") = "4"
    & skf21("1","5","2","3","1","1","6","1") = "5"
    & skf21("1","5","2","3","1","1","7","1") = "6"
    & skf21("1","5","2","3","1","2","1","1") = "4"
    & skf21("1","5","2","3","1","2","2","1") = "4"
    & skf21("1","5","2","3","1","2","3","1") = "4"
    & skf21("1","5","2","3","1","2","4","1") = "4"
    & skf21("1","5","2","3","1","2","5","1") = "4"
    & skf21("1","5","2","3","1","2","6","1") = "5"
    & skf21("1","5","2","3","1","2","7","1") = "6"
    & skf21("1","5","2","3","1","3","1","1") = "4"
    & skf21("1","5","2","3","1","3","2","1") = "4"
    & skf21("1","5","2","3","1","3","3","1") = "4"
    & skf21("1","5","2","3","1","3","4","1") = "4"
    & skf21("1","5","2","3","1","3","5","1") = "4"
    & skf21("1","5","2","3","1","3","6","1") = "5"
    & skf21("1","5","2","3","1","3","7","1") = "6"
    & skf21("1","5","2","3","1","4","1","1") = "4"
    & skf21("1","5","2","3","1","4","2","1") = "4"
    & skf21("1","5","2","3","1","4","3","1") = "4"
    & skf21("1","5","2","3","1","4","4","1") = "4"
    & skf21("1","5","2","3","1","4","5","1") = "4"
    & skf21("1","5","2","3","1","4","6","1") = "5"
    & skf21("1","5","2","3","1","4","7","1") = "6"
    & skf21("1","5","2","3","1","5","1","1") = "4"
    & skf21("1","5","2","3","1","5","2","1") = "4"
    & skf21("1","5","2","3","1","5","3","1") = "4"
    & skf21("1","5","2","3","1","5","4","1") = "4"
    & skf21("1","5","2","3","1","5","5","1") = "4"
    & skf21("1","5","2","3","1","5","6","1") = "5"
    & skf21("1","5","2","3","1","5","7","1") = "6"
    & skf21("1","5","2","3","1","6","1","1") = "5"
    & skf21("1","5","2","3","1","6","2","1") = "5"
    & skf21("1","5","2","3","1","6","3","1") = "5"
    & skf21("1","5","2","3","1","6","4","1") = "5"
    & skf21("1","5","2","3","1","6","5","1") = "5"
    & skf21("1","5","2","3","1","6","6","1") = "5"
    & skf21("1","5","2","3","1","6","7","1") = "6"
    & skf21("1","5","2","3","1","7","1","1") = "6"
    & skf21("1","5","2","3","1","7","2","1") = "6"
    & skf21("1","5","2","3","1","7","3","1") = "6"
    & skf21("1","5","2","3","1","7","4","1") = "6"
    & skf21("1","5","2","3","1","7","5","1") = "6"
    & skf21("1","5","2","3","1","7","6","1") = "6"
    & skf21("1","5","2","3","1","7","7","1") = "6"
    & skf21("1","5","2","3","2","1","1","1") = "4"
    & skf21("1","5","2","3","2","1","2","1") = "4"
    & skf21("1","5","2","3","2","1","3","1") = "4"
    & skf21("1","5","2","3","2","1","4","1") = "4"
    & skf21("1","5","2","3","2","1","5","1") = "4"
    & skf21("1","5","2","3","2","1","6","1") = "5"
    & skf21("1","5","2","3","2","1","7","1") = "6"
    & skf21("1","5","2","3","2","2","1","1") = "4"
    & skf21("1","5","2","3","2","2","2","1") = "4"
    & skf21("1","5","2","3","2","2","3","1") = "4"
    & skf21("1","5","2","3","2","2","4","1") = "4"
    & skf21("1","5","2","3","2","2","5","1") = "4"
    & skf21("1","5","2","3","2","2","6","1") = "5"
    & skf21("1","5","2","3","2","2","7","1") = "6"
    & skf21("1","5","2","3","2","3","1","1") = "4"
    & skf21("1","5","2","3","2","3","2","1") = "4"
    & skf21("1","5","2","3","2","3","3","1") = "4"
    & skf21("1","5","2","3","2","3","4","1") = "4"
    & skf21("1","5","2","3","2","3","5","1") = "4"
    & skf21("1","5","2","3","2","3","6","1") = "5"
    & skf21("1","5","2","3","2","3","7","1") = "6"
    & skf21("1","5","2","3","2","4","1","1") = "4"
    & skf21("1","5","2","3","2","4","2","1") = "4"
    & skf21("1","5","2","3","2","4","3","1") = "4"
    & skf21("1","5","2","3","2","4","4","1") = "4"
    & skf21("1","5","2","3","2","4","5","1") = "4"
    & skf21("1","5","2","3","2","4","6","1") = "5"
    & skf21("1","5","2","3","2","4","7","1") = "6"
    & skf21("1","5","2","3","2","5","1","1") = "4"
    & skf21("1","5","2","3","2","5","2","1") = "4"
    & skf21("1","5","2","3","2","5","3","1") = "4"
    & skf21("1","5","2","3","2","5","4","1") = "4"
    & skf21("1","5","2","3","2","5","5","1") = "4"
    & skf21("1","5","2","3","2","5","6","1") = "5"
    & skf21("1","5","2","3","2","5","7","1") = "6"
    & skf21("1","5","2","3","2","6","1","1") = "5"
    & skf21("1","5","2","3","2","6","2","1") = "5"
    & skf21("1","5","2","3","2","6","3","1") = "5"
    & skf21("1","5","2","3","2","6","4","1") = "5"
    & skf21("1","5","2","3","2","6","5","1") = "5"
    & skf21("1","5","2","3","2","6","6","1") = "5"
    & skf21("1","5","2","3","2","6","7","1") = "6"
    & skf21("1","5","2","3","2","7","1","1") = "6"
    & skf21("1","5","2","3","2","7","2","1") = "6"
    & skf21("1","5","2","3","2","7","3","1") = "6"
    & skf21("1","5","2","3","2","7","4","1") = "6"
    & skf21("1","5","2","3","2","7","5","1") = "6"
    & skf21("1","5","2","3","2","7","6","1") = "6"
    & skf21("1","5","2","3","2","7","7","1") = "6"
    & skf21("1","5","2","3","3","1","1","1") = "4"
    & skf21("1","5","2","3","3","1","2","1") = "4"
    & skf21("1","5","2","3","3","1","3","1") = "4"
    & skf21("1","5","2","3","3","1","4","1") = "4"
    & skf21("1","5","2","3","3","1","5","1") = "4"
    & skf21("1","5","2","3","3","1","6","1") = "5"
    & skf21("1","5","2","3","3","1","7","1") = "6"
    & skf21("1","5","2","3","3","2","1","1") = "4"
    & skf21("1","5","2","3","3","2","2","1") = "4"
    & skf21("1","5","2","3","3","2","3","1") = "4"
    & skf21("1","5","2","3","3","2","4","1") = "4"
    & skf21("1","5","2","3","3","2","5","1") = "4"
    & skf21("1","5","2","3","3","2","6","1") = "5"
    & skf21("1","5","2","3","3","2","7","1") = "6"
    & skf21("1","5","2","3","3","3","1","1") = "4"
    & skf21("1","5","2","3","3","3","2","1") = "4"
    & skf21("1","5","2","3","3","3","3","1") = "4"
    & skf21("1","5","2","3","3","3","4","1") = "4"
    & skf21("1","5","2","3","3","3","5","1") = "4"
    & skf21("1","5","2","3","3","3","6","1") = "5"
    & skf21("1","5","2","3","3","3","7","1") = "6"
    & skf21("1","5","2","3","3","4","1","1") = "4"
    & skf21("1","5","2","3","3","4","2","1") = "4"
    & skf21("1","5","2","3","3","4","3","1") = "4"
    & skf21("1","5","2","3","3","4","4","1") = "4"
    & skf21("1","5","2","3","3","4","5","1") = "4"
    & skf21("1","5","2","3","3","4","6","1") = "5"
    & skf21("1","5","2","3","3","4","7","1") = "6"
    & skf21("1","5","2","3","3","5","1","1") = "4"
    & skf21("1","5","2","3","3","5","2","1") = "4"
    & skf21("1","5","2","3","3","5","3","1") = "4"
    & skf21("1","5","2","3","3","5","4","1") = "4"
    & skf21("1","5","2","3","3","5","5","1") = "4"
    & skf21("1","5","2","3","3","5","6","1") = "5"
    & skf21("1","5","2","3","3","5","7","1") = "6"
    & skf21("1","5","2","3","3","6","1","1") = "5"
    & skf21("1","5","2","3","3","6","2","1") = "5"
    & skf21("1","5","2","3","3","6","3","1") = "5"
    & skf21("1","5","2","3","3","6","4","1") = "5"
    & skf21("1","5","2","3","3","6","5","1") = "5"
    & skf21("1","5","2","3","3","6","6","1") = "5"
    & skf21("1","5","2","3","3","6","7","1") = "6"
    & skf21("1","5","2","3","3","7","1","1") = "6"
    & skf21("1","5","2","3","3","7","2","1") = "6"
    & skf21("1","5","2","3","3","7","3","1") = "6"
    & skf21("1","5","2","3","3","7","4","1") = "6"
    & skf21("1","5","2","3","3","7","5","1") = "6"
    & skf21("1","5","2","3","3","7","6","1") = "6"
    & skf21("1","5","2","3","3","7","7","1") = "6"
    & skf21("1","5","2","3","4","1","1","1") = "4"
    & skf21("1","5","2","3","4","1","2","1") = "4"
    & skf21("1","5","2","3","4","1","3","1") = "4"
    & skf21("1","5","2","3","4","1","4","1") = "4"
    & skf21("1","5","2","3","4","1","5","1") = "4"
    & skf21("1","5","2","3","4","1","6","1") = "5"
    & skf21("1","5","2","3","4","1","7","1") = "6"
    & skf21("1","5","2","3","4","2","1","1") = "4"
    & skf21("1","5","2","3","4","2","2","1") = "4"
    & skf21("1","5","2","3","4","2","3","1") = "4"
    & skf21("1","5","2","3","4","2","4","1") = "4"
    & skf21("1","5","2","3","4","2","5","1") = "4"
    & skf21("1","5","2","3","4","2","6","1") = "5"
    & skf21("1","5","2","3","4","2","7","1") = "6"
    & skf21("1","5","2","3","4","3","1","1") = "4"
    & skf21("1","5","2","3","4","3","2","1") = "4"
    & skf21("1","5","2","3","4","3","3","1") = "4"
    & skf21("1","5","2","3","4","3","4","1") = "4"
    & skf21("1","5","2","3","4","3","5","1") = "4"
    & skf21("1","5","2","3","4","3","6","1") = "5"
    & skf21("1","5","2","3","4","3","7","1") = "6"
    & skf21("1","5","2","3","4","4","1","1") = "4"
    & skf21("1","5","2","3","4","4","2","1") = "4"
    & skf21("1","5","2","3","4","4","3","1") = "4"
    & skf21("1","5","2","3","4","4","4","1") = "4"
    & skf21("1","5","2","3","4","4","5","1") = "4"
    & skf21("1","5","2","3","4","4","6","1") = "5"
    & skf21("1","5","2","3","4","4","7","1") = "6"
    & skf21("1","5","2","3","4","5","1","1") = "4"
    & skf21("1","5","2","3","4","5","2","1") = "4"
    & skf21("1","5","2","3","4","5","3","1") = "4"
    & skf21("1","5","2","3","4","5","4","1") = "4"
    & skf21("1","5","2","3","4","5","5","1") = "4"
    & skf21("1","5","2","3","4","5","6","1") = "5"
    & skf21("1","5","2","3","4","5","7","1") = "6"
    & skf21("1","5","2","3","4","6","1","1") = "5"
    & skf21("1","5","2","3","4","6","2","1") = "5"
    & skf21("1","5","2","3","4","6","3","1") = "5"
    & skf21("1","5","2","3","4","6","4","1") = "5"
    & skf21("1","5","2","3","4","6","5","1") = "5"
    & skf21("1","5","2","3","4","6","6","1") = "5"
    & skf21("1","5","2","3","4","6","7","1") = "6"
    & skf21("1","5","2","3","4","7","1","1") = "6"
    & skf21("1","5","2","3","4","7","2","1") = "6"
    & skf21("1","5","2","3","4","7","3","1") = "6"
    & skf21("1","5","2","3","4","7","4","1") = "6"
    & skf21("1","5","2","3","4","7","5","1") = "6"
    & skf21("1","5","2","3","4","7","6","1") = "6"
    & skf21("1","5","2","3","4","7","7","1") = "6"
    & skf21("1","5","2","3","5","1","1","1") = "4"
    & skf21("1","5","2","3","5","1","2","1") = "4"
    & skf21("1","5","2","3","5","1","3","1") = "4"
    & skf21("1","5","2","3","5","1","4","1") = "4"
    & skf21("1","5","2","3","5","1","5","1") = "4"
    & skf21("1","5","2","3","5","1","6","1") = "5"
    & skf21("1","5","2","3","5","1","7","1") = "6"
    & skf21("1","5","2","3","5","2","1","1") = "4"
    & skf21("1","5","2","3","5","2","2","1") = "4"
    & skf21("1","5","2","3","5","2","3","1") = "4"
    & skf21("1","5","2","3","5","2","4","1") = "4"
    & skf21("1","5","2","3","5","2","5","1") = "4"
    & skf21("1","5","2","3","5","2","6","1") = "5"
    & skf21("1","5","2","3","5","2","7","1") = "6"
    & skf21("1","5","2","3","5","3","1","1") = "4"
    & skf21("1","5","2","3","5","3","2","1") = "4"
    & skf21("1","5","2","3","5","3","3","1") = "4"
    & skf21("1","5","2","3","5","3","4","1") = "4"
    & skf21("1","5","2","3","5","3","5","1") = "4"
    & skf21("1","5","2","3","5","3","6","1") = "5"
    & skf21("1","5","2","3","5","3","7","1") = "6"
    & skf21("1","5","2","3","5","4","1","1") = "4"
    & skf21("1","5","2","3","5","4","2","1") = "4"
    & skf21("1","5","2","3","5","4","3","1") = "4"
    & skf21("1","5","2","3","5","4","4","1") = "4"
    & skf21("1","5","2","3","5","4","5","1") = "4"
    & skf21("1","5","2","3","5","4","6","1") = "5"
    & skf21("1","5","2","3","5","4","7","1") = "6"
    & skf21("1","5","2","3","5","5","1","1") = "4"
    & skf21("1","5","2","3","5","5","2","1") = "4"
    & skf21("1","5","2","3","5","5","3","1") = "4"
    & skf21("1","5","2","3","5","5","4","1") = "4"
    & skf21("1","5","2","3","5","5","5","1") = "4"
    & skf21("1","5","2","3","5","5","6","1") = "5"
    & skf21("1","5","2","3","5","5","7","1") = "6"
    & skf21("1","5","2","3","5","6","1","1") = "5"
    & skf21("1","5","2","3","5","6","2","1") = "5"
    & skf21("1","5","2","3","5","6","3","1") = "5"
    & skf21("1","5","2","3","5","6","4","1") = "5"
    & skf21("1","5","2","3","5","6","5","1") = "5"
    & skf21("1","5","2","3","5","6","6","1") = "5"
    & skf21("1","5","2","3","5","6","7","1") = "6"
    & skf21("1","5","2","3","5","7","1","1") = "6"
    & skf21("1","5","2","3","5","7","2","1") = "6"
    & skf21("1","5","2","3","5","7","3","1") = "6"
    & skf21("1","5","2","3","5","7","4","1") = "6"
    & skf21("1","5","2","3","5","7","5","1") = "6"
    & skf21("1","5","2","3","5","7","6","1") = "6"
    & skf21("1","5","2","3","5","7","7","1") = "6"
    & skf21("1","5","2","3","6","1","1","1") = "5"
    & skf21("1","5","2","3","6","1","2","1") = "5"
    & skf21("1","5","2","3","6","1","3","1") = "5"
    & skf21("1","5","2","3","6","1","4","1") = "5"
    & skf21("1","5","2","3","6","1","5","1") = "5"
    & skf21("1","5","2","3","6","1","6","1") = "5"
    & skf21("1","5","2","3","6","1","7","1") = "6"
    & skf21("1","5","2","3","6","2","1","1") = "5"
    & skf21("1","5","2","3","6","2","2","1") = "5"
    & skf21("1","5","2","3","6","2","3","1") = "5"
    & skf21("1","5","2","3","6","2","4","1") = "5"
    & skf21("1","5","2","3","6","2","5","1") = "5"
    & skf21("1","5","2","3","6","2","6","1") = "5"
    & skf21("1","5","2","3","6","2","7","1") = "6"
    & skf21("1","5","2","3","6","3","1","1") = "5"
    & skf21("1","5","2","3","6","3","2","1") = "5"
    & skf21("1","5","2","3","6","3","3","1") = "5"
    & skf21("1","5","2","3","6","3","4","1") = "5"
    & skf21("1","5","2","3","6","3","5","1") = "5"
    & skf21("1","5","2","3","6","3","6","1") = "5"
    & skf21("1","5","2","3","6","3","7","1") = "6"
    & skf21("1","5","2","3","6","4","1","1") = "5"
    & skf21("1","5","2","3","6","4","2","1") = "5"
    & skf21("1","5","2","3","6","4","3","1") = "5"
    & skf21("1","5","2","3","6","4","4","1") = "5"
    & skf21("1","5","2","3","6","4","5","1") = "5"
    & skf21("1","5","2","3","6","4","6","1") = "5"
    & skf21("1","5","2","3","6","4","7","1") = "6"
    & skf21("1","5","2","3","6","5","1","1") = "5"
    & skf21("1","5","2","3","6","5","2","1") = "5"
    & skf21("1","5","2","3","6","5","3","1") = "5"
    & skf21("1","5","2","3","6","5","4","1") = "5"
    & skf21("1","5","2","3","6","5","5","1") = "5"
    & skf21("1","5","2","3","6","5","6","1") = "5"
    & skf21("1","5","2","3","6","5","7","1") = "6"
    & skf21("1","5","2","3","6","6","1","1") = "5"
    & skf21("1","5","2","3","6","6","2","1") = "5"
    & skf21("1","5","2","3","6","6","3","1") = "5"
    & skf21("1","5","2","3","6","6","4","1") = "5"
    & skf21("1","5","2","3","6","6","5","1") = "5"
    & skf21("1","5","2","3","6","6","6","1") = "5"
    & skf21("1","5","2","3","6","6","7","1") = "6"
    & skf21("1","5","2","3","6","7","1","1") = "6"
    & skf21("1","5","2","3","6","7","2","1") = "6"
    & skf21("1","5","2","3","6","7","3","1") = "6"
    & skf21("1","5","2","3","6","7","4","1") = "6"
    & skf21("1","5","2","3","6","7","5","1") = "6"
    & skf21("1","5","2","3","6","7","6","1") = "6"
    & skf21("1","5","2","3","6","7","7","1") = "6"
    & skf21("1","5","2","3","7","1","1","1") = "6"
    & skf21("1","5","2","3","7","1","2","1") = "6"
    & skf21("1","5","2","3","7","1","3","1") = "6"
    & skf21("1","5","2","3","7","1","4","1") = "6"
    & skf21("1","5","2","3","7","1","5","1") = "6"
    & skf21("1","5","2","3","7","1","6","1") = "6"
    & skf21("1","5","2","3","7","1","7","1") = "6"
    & skf21("1","5","2","3","7","2","1","1") = "6"
    & skf21("1","5","2","3","7","2","2","1") = "6"
    & skf21("1","5","2","3","7","2","3","1") = "6"
    & skf21("1","5","2","3","7","2","4","1") = "6"
    & skf21("1","5","2","3","7","2","5","1") = "6"
    & skf21("1","5","2","3","7","2","6","1") = "6"
    & skf21("1","5","2","3","7","2","7","1") = "6"
    & skf21("1","5","2","3","7","3","1","1") = "6"
    & skf21("1","5","2","3","7","3","2","1") = "6"
    & skf21("1","5","2","3","7","3","3","1") = "6"
    & skf21("1","5","2","3","7","3","4","1") = "6"
    & skf21("1","5","2","3","7","3","5","1") = "6"
    & skf21("1","5","2","3","7","3","6","1") = "6"
    & skf21("1","5","2","3","7","3","7","1") = "6"
    & skf21("1","5","2","3","7","4","1","1") = "6"
    & skf21("1","5","2","3","7","4","2","1") = "6"
    & skf21("1","5","2","3","7","4","3","1") = "6"
    & skf21("1","5","2","3","7","4","4","1") = "6"
    & skf21("1","5","2","3","7","4","5","1") = "6"
    & skf21("1","5","2","3","7","4","6","1") = "6"
    & skf21("1","5","2","3","7","4","7","1") = "6"
    & skf21("1","5","2","3","7","5","1","1") = "6"
    & skf21("1","5","2","3","7","5","2","1") = "6"
    & skf21("1","5","2","3","7","5","3","1") = "6"
    & skf21("1","5","2","3","7","5","4","1") = "6"
    & skf21("1","5","2","3","7","5","5","1") = "6"
    & skf21("1","5","2","3","7","5","6","1") = "6"
    & skf21("1","5","2","3","7","5","7","1") = "6"
    & skf21("1","5","2","3","7","6","1","1") = "6"
    & skf21("1","5","2","3","7","6","2","1") = "6"
    & skf21("1","5","2","3","7","6","3","1") = "6"
    & skf21("1","5","2","3","7","6","4","1") = "6"
    & skf21("1","5","2","3","7","6","5","1") = "6"
    & skf21("1","5","2","3","7","6","6","1") = "6"
    & skf21("1","5","2","3","7","6","7","1") = "6"
    & skf21("1","5","2","3","7","7","1","1") = "6"
    & skf21("1","5","2","3","7","7","2","1") = "6"
    & skf21("1","5","2","3","7","7","3","1") = "6"
    & skf21("1","5","2","3","7","7","4","1") = "6"
    & skf21("1","5","2","3","7","7","5","1") = "6"
    & skf21("1","5","2","3","7","7","6","1") = "6"
    & skf21("1","5","2","3","7","7","7","1") = "6"
    & skf21("1","5","2","4","1","1","1","1") = "4"
    & skf21("1","5","2","4","1","1","2","1") = "4"
    & skf21("1","5","2","4","1","1","3","1") = "4"
    & skf21("1","5","2","4","1","1","4","1") = "4"
    & skf21("1","5","2","4","1","1","5","1") = "4"
    & skf21("1","5","2","4","1","1","6","1") = "5"
    & skf21("1","5","2","4","1","1","7","1") = "6"
    & skf21("1","5","2","4","1","2","1","1") = "4"
    & skf21("1","5","2","4","1","2","2","1") = "4"
    & skf21("1","5","2","4","1","2","3","1") = "4"
    & skf21("1","5","2","4","1","2","4","1") = "4"
    & skf21("1","5","2","4","1","2","5","1") = "4"
    & skf21("1","5","2","4","1","2","6","1") = "5"
    & skf21("1","5","2","4","1","2","7","1") = "6"
    & skf21("1","5","2","4","1","3","1","1") = "4"
    & skf21("1","5","2","4","1","3","2","1") = "4"
    & skf21("1","5","2","4","1","3","3","1") = "4"
    & skf21("1","5","2","4","1","3","4","1") = "4"
    & skf21("1","5","2","4","1","3","5","1") = "4"
    & skf21("1","5","2","4","1","3","6","1") = "5"
    & skf21("1","5","2","4","1","3","7","1") = "6"
    & skf21("1","5","2","4","1","4","1","1") = "4"
    & skf21("1","5","2","4","1","4","2","1") = "4"
    & skf21("1","5","2","4","1","4","3","1") = "4"
    & skf21("1","5","2","4","1","4","4","1") = "4"
    & skf21("1","5","2","4","1","4","5","1") = "4"
    & skf21("1","5","2","4","1","4","6","1") = "5"
    & skf21("1","5","2","4","1","4","7","1") = "6"
    & skf21("1","5","2","4","1","5","1","1") = "4"
    & skf21("1","5","2","4","1","5","2","1") = "4"
    & skf21("1","5","2","4","1","5","3","1") = "4"
    & skf21("1","5","2","4","1","5","4","1") = "4"
    & skf21("1","5","2","4","1","5","5","1") = "4"
    & skf21("1","5","2","4","1","5","6","1") = "5"
    & skf21("1","5","2","4","1","5","7","1") = "6"
    & skf21("1","5","2","4","1","6","1","1") = "5"
    & skf21("1","5","2","4","1","6","2","1") = "5"
    & skf21("1","5","2","4","1","6","3","1") = "5"
    & skf21("1","5","2","4","1","6","4","1") = "5"
    & skf21("1","5","2","4","1","6","5","1") = "5"
    & skf21("1","5","2","4","1","6","6","1") = "5"
    & skf21("1","5","2","4","1","6","7","1") = "6"
    & skf21("1","5","2","4","1","7","1","1") = "6"
    & skf21("1","5","2","4","1","7","2","1") = "6"
    & skf21("1","5","2","4","1","7","3","1") = "6"
    & skf21("1","5","2","4","1","7","4","1") = "6"
    & skf21("1","5","2","4","1","7","5","1") = "6"
    & skf21("1","5","2","4","1","7","6","1") = "6"
    & skf21("1","5","2","4","1","7","7","1") = "6"
    & skf21("1","5","2","4","2","1","1","1") = "4"
    & skf21("1","5","2","4","2","1","2","1") = "4"
    & skf21("1","5","2","4","2","1","3","1") = "4"
    & skf21("1","5","2","4","2","1","4","1") = "4"
    & skf21("1","5","2","4","2","1","5","1") = "4"
    & skf21("1","5","2","4","2","1","6","1") = "5"
    & skf21("1","5","2","4","2","1","7","1") = "6"
    & skf21("1","5","2","4","2","2","1","1") = "4"
    & skf21("1","5","2","4","2","2","2","1") = "4"
    & skf21("1","5","2","4","2","2","3","1") = "4"
    & skf21("1","5","2","4","2","2","4","1") = "4"
    & skf21("1","5","2","4","2","2","5","1") = "4"
    & skf21("1","5","2","4","2","2","6","1") = "5"
    & skf21("1","5","2","4","2","2","7","1") = "6"
    & skf21("1","5","2","4","2","3","1","1") = "4"
    & skf21("1","5","2","4","2","3","2","1") = "4"
    & skf21("1","5","2","4","2","3","3","1") = "4"
    & skf21("1","5","2","4","2","3","4","1") = "4"
    & skf21("1","5","2","4","2","3","5","1") = "4"
    & skf21("1","5","2","4","2","3","6","1") = "5"
    & skf21("1","5","2","4","2","3","7","1") = "6"
    & skf21("1","5","2","4","2","4","1","1") = "4"
    & skf21("1","5","2","4","2","4","2","1") = "4"
    & skf21("1","5","2","4","2","4","3","1") = "4"
    & skf21("1","5","2","4","2","4","4","1") = "4"
    & skf21("1","5","2","4","2","4","5","1") = "4"
    & skf21("1","5","2","4","2","4","6","1") = "5"
    & skf21("1","5","2","4","2","4","7","1") = "6"
    & skf21("1","5","2","4","2","5","1","1") = "4"
    & skf21("1","5","2","4","2","5","2","1") = "4"
    & skf21("1","5","2","4","2","5","3","1") = "4"
    & skf21("1","5","2","4","2","5","4","1") = "4"
    & skf21("1","5","2","4","2","5","5","1") = "4"
    & skf21("1","5","2","4","2","5","6","1") = "5"
    & skf21("1","5","2","4","2","5","7","1") = "6"
    & skf21("1","5","2","4","2","6","1","1") = "5"
    & skf21("1","5","2","4","2","6","2","1") = "5"
    & skf21("1","5","2","4","2","6","3","1") = "5"
    & skf21("1","5","2","4","2","6","4","1") = "5"
    & skf21("1","5","2","4","2","6","5","1") = "5"
    & skf21("1","5","2","4","2","6","6","1") = "5"
    & skf21("1","5","2","4","2","6","7","1") = "6"
    & skf21("1","5","2","4","2","7","1","1") = "6"
    & skf21("1","5","2","4","2","7","2","1") = "6"
    & skf21("1","5","2","4","2","7","3","1") = "6"
    & skf21("1","5","2","4","2","7","4","1") = "6"
    & skf21("1","5","2","4","2","7","5","1") = "6"
    & skf21("1","5","2","4","2","7","6","1") = "6"
    & skf21("1","5","2","4","2","7","7","1") = "6"
    & skf21("1","5","2","4","3","1","1","1") = "4"
    & skf21("1","5","2","4","3","1","2","1") = "4"
    & skf21("1","5","2","4","3","1","3","1") = "4"
    & skf21("1","5","2","4","3","1","4","1") = "4"
    & skf21("1","5","2","4","3","1","5","1") = "4"
    & skf21("1","5","2","4","3","1","6","1") = "5"
    & skf21("1","5","2","4","3","1","7","1") = "6"
    & skf21("1","5","2","4","3","2","1","1") = "4"
    & skf21("1","5","2","4","3","2","2","1") = "4"
    & skf21("1","5","2","4","3","2","3","1") = "4"
    & skf21("1","5","2","4","3","2","4","1") = "4"
    & skf21("1","5","2","4","3","2","5","1") = "4"
    & skf21("1","5","2","4","3","2","6","1") = "5"
    & skf21("1","5","2","4","3","2","7","1") = "6"
    & skf21("1","5","2","4","3","3","1","1") = "4"
    & skf21("1","5","2","4","3","3","2","1") = "4"
    & skf21("1","5","2","4","3","3","3","1") = "4"
    & skf21("1","5","2","4","3","3","4","1") = "4"
    & skf21("1","5","2","4","3","3","5","1") = "4"
    & skf21("1","5","2","4","3","3","6","1") = "5"
    & skf21("1","5","2","4","3","3","7","1") = "6"
    & skf21("1","5","2","4","3","4","1","1") = "4"
    & skf21("1","5","2","4","3","4","2","1") = "4"
    & skf21("1","5","2","4","3","4","3","1") = "4"
    & skf21("1","5","2","4","3","4","4","1") = "4"
    & skf21("1","5","2","4","3","4","5","1") = "4"
    & skf21("1","5","2","4","3","4","6","1") = "5"
    & skf21("1","5","2","4","3","4","7","1") = "6"
    & skf21("1","5","2","4","3","5","1","1") = "4"
    & skf21("1","5","2","4","3","5","2","1") = "4"
    & skf21("1","5","2","4","3","5","3","1") = "4"
    & skf21("1","5","2","4","3","5","4","1") = "4"
    & skf21("1","5","2","4","3","5","5","1") = "4"
    & skf21("1","5","2","4","3","5","6","1") = "5"
    & skf21("1","5","2","4","3","5","7","1") = "6"
    & skf21("1","5","2","4","3","6","1","1") = "5"
    & skf21("1","5","2","4","3","6","2","1") = "5"
    & skf21("1","5","2","4","3","6","3","1") = "5"
    & skf21("1","5","2","4","3","6","4","1") = "5"
    & skf21("1","5","2","4","3","6","5","1") = "5"
    & skf21("1","5","2","4","3","6","6","1") = "5"
    & skf21("1","5","2","4","3","6","7","1") = "6"
    & skf21("1","5","2","4","3","7","1","1") = "6"
    & skf21("1","5","2","4","3","7","2","1") = "6"
    & skf21("1","5","2","4","3","7","3","1") = "6"
    & skf21("1","5","2","4","3","7","4","1") = "6"
    & skf21("1","5","2","4","3","7","5","1") = "6"
    & skf21("1","5","2","4","3","7","6","1") = "6"
    & skf21("1","5","2","4","3","7","7","1") = "6"
    & skf21("1","5","2","4","4","1","1","1") = "4"
    & skf21("1","5","2","4","4","1","2","1") = "4"
    & skf21("1","5","2","4","4","1","3","1") = "4"
    & skf21("1","5","2","4","4","1","4","1") = "4"
    & skf21("1","5","2","4","4","1","5","1") = "4"
    & skf21("1","5","2","4","4","1","6","1") = "5"
    & skf21("1","5","2","4","4","1","7","1") = "6"
    & skf21("1","5","2","4","4","2","1","1") = "4"
    & skf21("1","5","2","4","4","2","2","1") = "4"
    & skf21("1","5","2","4","4","2","3","1") = "4"
    & skf21("1","5","2","4","4","2","4","1") = "4"
    & skf21("1","5","2","4","4","2","5","1") = "4"
    & skf21("1","5","2","4","4","2","6","1") = "5"
    & skf21("1","5","2","4","4","2","7","1") = "6"
    & skf21("1","5","2","4","4","3","1","1") = "4"
    & skf21("1","5","2","4","4","3","2","1") = "4"
    & skf21("1","5","2","4","4","3","3","1") = "4"
    & skf21("1","5","2","4","4","3","4","1") = "4"
    & skf21("1","5","2","4","4","3","5","1") = "4"
    & skf21("1","5","2","4","4","3","6","1") = "5"
    & skf21("1","5","2","4","4","3","7","1") = "6"
    & skf21("1","5","2","4","4","4","1","1") = "4"
    & skf21("1","5","2","4","4","4","2","1") = "4"
    & skf21("1","5","2","4","4","4","3","1") = "4"
    & skf21("1","5","2","4","4","4","4","1") = "4"
    & skf21("1","5","2","4","4","4","5","1") = "4"
    & skf21("1","5","2","4","4","4","6","1") = "5"
    & skf21("1","5","2","4","4","4","7","1") = "6"
    & skf21("1","5","2","4","4","5","1","1") = "4"
    & skf21("1","5","2","4","4","5","2","1") = "4"
    & skf21("1","5","2","4","4","5","3","1") = "4"
    & skf21("1","5","2","4","4","5","4","1") = "4"
    & skf21("1","5","2","4","4","5","5","1") = "4"
    & skf21("1","5","2","4","4","5","6","1") = "5"
    & skf21("1","5","2","4","4","5","7","1") = "6"
    & skf21("1","5","2","4","4","6","1","1") = "5"
    & skf21("1","5","2","4","4","6","2","1") = "5"
    & skf21("1","5","2","4","4","6","3","1") = "5"
    & skf21("1","5","2","4","4","6","4","1") = "5"
    & skf21("1","5","2","4","4","6","5","1") = "5"
    & skf21("1","5","2","4","4","6","6","1") = "5"
    & skf21("1","5","2","4","4","6","7","1") = "6"
    & skf21("1","5","2","4","4","7","1","1") = "6"
    & skf21("1","5","2","4","4","7","2","1") = "6"
    & skf21("1","5","2","4","4","7","3","1") = "6"
    & skf21("1","5","2","4","4","7","4","1") = "6"
    & skf21("1","5","2","4","4","7","5","1") = "6"
    & skf21("1","5","2","4","4","7","6","1") = "6"
    & skf21("1","5","2","4","4","7","7","1") = "6"
    & skf21("1","5","2","4","5","1","1","1") = "4"
    & skf21("1","5","2","4","5","1","2","1") = "4"
    & skf21("1","5","2","4","5","1","3","1") = "4"
    & skf21("1","5","2","4","5","1","4","1") = "4"
    & skf21("1","5","2","4","5","1","5","1") = "4"
    & skf21("1","5","2","4","5","1","6","1") = "5"
    & skf21("1","5","2","4","5","1","7","1") = "6"
    & skf21("1","5","2","4","5","2","1","1") = "4"
    & skf21("1","5","2","4","5","2","2","1") = "4"
    & skf21("1","5","2","4","5","2","3","1") = "4"
    & skf21("1","5","2","4","5","2","4","1") = "4"
    & skf21("1","5","2","4","5","2","5","1") = "4"
    & skf21("1","5","2","4","5","2","6","1") = "5"
    & skf21("1","5","2","4","5","2","7","1") = "6"
    & skf21("1","5","2","4","5","3","1","1") = "4"
    & skf21("1","5","2","4","5","3","2","1") = "4"
    & skf21("1","5","2","4","5","3","3","1") = "4"
    & skf21("1","5","2","4","5","3","4","1") = "4"
    & skf21("1","5","2","4","5","3","5","1") = "4"
    & skf21("1","5","2","4","5","3","6","1") = "5"
    & skf21("1","5","2","4","5","3","7","1") = "6"
    & skf21("1","5","2","4","5","4","1","1") = "4"
    & skf21("1","5","2","4","5","4","2","1") = "4"
    & skf21("1","5","2","4","5","4","3","1") = "4"
    & skf21("1","5","2","4","5","4","4","1") = "4"
    & skf21("1","5","2","4","5","4","5","1") = "4"
    & skf21("1","5","2","4","5","4","6","1") = "5"
    & skf21("1","5","2","4","5","4","7","1") = "6"
    & skf21("1","5","2","4","5","5","1","1") = "4"
    & skf21("1","5","2","4","5","5","2","1") = "4"
    & skf21("1","5","2","4","5","5","3","1") = "4"
    & skf21("1","5","2","4","5","5","4","1") = "4"
    & skf21("1","5","2","4","5","5","5","1") = "4"
    & skf21("1","5","2","4","5","5","6","1") = "5"
    & skf21("1","5","2","4","5","5","7","1") = "6"
    & skf21("1","5","2","4","5","6","1","1") = "5"
    & skf21("1","5","2","4","5","6","2","1") = "5"
    & skf21("1","5","2","4","5","6","3","1") = "5"
    & skf21("1","5","2","4","5","6","4","1") = "5"
    & skf21("1","5","2","4","5","6","5","1") = "5"
    & skf21("1","5","2","4","5","6","6","1") = "5"
    & skf21("1","5","2","4","5","6","7","1") = "6"
    & skf21("1","5","2","4","5","7","1","1") = "6"
    & skf21("1","5","2","4","5","7","2","1") = "6"
    & skf21("1","5","2","4","5","7","3","1") = "6"
    & skf21("1","5","2","4","5","7","4","1") = "6"
    & skf21("1","5","2","4","5","7","5","1") = "6"
    & skf21("1","5","2","4","5","7","6","1") = "6"
    & skf21("1","5","2","4","5","7","7","1") = "6"
    & skf21("1","5","2","4","6","1","1","1") = "5"
    & skf21("1","5","2","4","6","1","2","1") = "5"
    & skf21("1","5","2","4","6","1","3","1") = "5"
    & skf21("1","5","2","4","6","1","4","1") = "5"
    & skf21("1","5","2","4","6","1","5","1") = "5"
    & skf21("1","5","2","4","6","1","6","1") = "5"
    & skf21("1","5","2","4","6","1","7","1") = "6"
    & skf21("1","5","2","4","6","2","1","1") = "5"
    & skf21("1","5","2","4","6","2","2","1") = "5"
    & skf21("1","5","2","4","6","2","3","1") = "5"
    & skf21("1","5","2","4","6","2","4","1") = "5"
    & skf21("1","5","2","4","6","2","5","1") = "5"
    & skf21("1","5","2","4","6","2","6","1") = "5"
    & skf21("1","5","2","4","6","2","7","1") = "6"
    & skf21("1","5","2","4","6","3","1","1") = "5"
    & skf21("1","5","2","4","6","3","2","1") = "5"
    & skf21("1","5","2","4","6","3","3","1") = "5"
    & skf21("1","5","2","4","6","3","4","1") = "5"
    & skf21("1","5","2","4","6","3","5","1") = "5"
    & skf21("1","5","2","4","6","3","6","1") = "5"
    & skf21("1","5","2","4","6","3","7","1") = "6"
    & skf21("1","5","2","4","6","4","1","1") = "5"
    & skf21("1","5","2","4","6","4","2","1") = "5"
    & skf21("1","5","2","4","6","4","3","1") = "5"
    & skf21("1","5","2","4","6","4","4","1") = "5"
    & skf21("1","5","2","4","6","4","5","1") = "5"
    & skf21("1","5","2","4","6","4","6","1") = "5"
    & skf21("1","5","2","4","6","4","7","1") = "6"
    & skf21("1","5","2","4","6","5","1","1") = "5"
    & skf21("1","5","2","4","6","5","2","1") = "5"
    & skf21("1","5","2","4","6","5","3","1") = "5"
    & skf21("1","5","2","4","6","5","4","1") = "5"
    & skf21("1","5","2","4","6","5","5","1") = "5"
    & skf21("1","5","2","4","6","5","6","1") = "5"
    & skf21("1","5","2","4","6","5","7","1") = "6"
    & skf21("1","5","2","4","6","6","1","1") = "5"
    & skf21("1","5","2","4","6","6","2","1") = "5"
    & skf21("1","5","2","4","6","6","3","1") = "5"
    & skf21("1","5","2","4","6","6","4","1") = "5"
    & skf21("1","5","2","4","6","6","5","1") = "5"
    & skf21("1","5","2","4","6","6","6","1") = "5"
    & skf21("1","5","2","4","6","6","7","1") = "6"
    & skf21("1","5","2","4","6","7","1","1") = "6"
    & skf21("1","5","2","4","6","7","2","1") = "6"
    & skf21("1","5","2","4","6","7","3","1") = "6"
    & skf21("1","5","2","4","6","7","4","1") = "6"
    & skf21("1","5","2","4","6","7","5","1") = "6"
    & skf21("1","5","2","4","6","7","6","1") = "6"
    & skf21("1","5","2","4","6","7","7","1") = "6"
    & skf21("1","5","2","4","7","1","1","1") = "6"
    & skf21("1","5","2","4","7","1","2","1") = "6"
    & skf21("1","5","2","4","7","1","3","1") = "6"
    & skf21("1","5","2","4","7","1","4","1") = "6"
    & skf21("1","5","2","4","7","1","5","1") = "6"
    & skf21("1","5","2","4","7","1","6","1") = "6"
    & skf21("1","5","2","4","7","1","7","1") = "6"
    & skf21("1","5","2","4","7","2","1","1") = "6"
    & skf21("1","5","2","4","7","2","2","1") = "6"
    & skf21("1","5","2","4","7","2","3","1") = "6"
    & skf21("1","5","2","4","7","2","4","1") = "6"
    & skf21("1","5","2","4","7","2","5","1") = "6"
    & skf21("1","5","2","4","7","2","6","1") = "6"
    & skf21("1","5","2","4","7","2","7","1") = "6"
    & skf21("1","5","2","4","7","3","1","1") = "6"
    & skf21("1","5","2","4","7","3","2","1") = "6"
    & skf21("1","5","2","4","7","3","3","1") = "6"
    & skf21("1","5","2","4","7","3","4","1") = "6"
    & skf21("1","5","2","4","7","3","5","1") = "6"
    & skf21("1","5","2","4","7","3","6","1") = "6"
    & skf21("1","5","2","4","7","3","7","1") = "6"
    & skf21("1","5","2","4","7","4","1","1") = "6"
    & skf21("1","5","2","4","7","4","2","1") = "6"
    & skf21("1","5","2","4","7","4","3","1") = "6"
    & skf21("1","5","2","4","7","4","4","1") = "6"
    & skf21("1","5","2","4","7","4","5","1") = "6"
    & skf21("1","5","2","4","7","4","6","1") = "6"
    & skf21("1","5","2","4","7","4","7","1") = "6"
    & skf21("1","5","2","4","7","5","1","1") = "6"
    & skf21("1","5","2","4","7","5","2","1") = "6"
    & skf21("1","5","2","4","7","5","3","1") = "6"
    & skf21("1","5","2","4","7","5","4","1") = "6"
    & skf21("1","5","2","4","7","5","5","1") = "6"
    & skf21("1","5","2","4","7","5","6","1") = "6"
    & skf21("1","5","2","4","7","5","7","1") = "6"
    & skf21("1","5","2","4","7","6","1","1") = "6"
    & skf21("1","5","2","4","7","6","2","1") = "6"
    & skf21("1","5","2","4","7","6","3","1") = "6"
    & skf21("1","5","2","4","7","6","4","1") = "6"
    & skf21("1","5","2","4","7","6","5","1") = "6"
    & skf21("1","5","2","4","7","6","6","1") = "6"
    & skf21("1","5","2","4","7","6","7","1") = "6"
    & skf21("1","5","2","4","7","7","1","1") = "6"
    & skf21("1","5","2","4","7","7","2","1") = "6"
    & skf21("1","5","2","4","7","7","3","1") = "6"
    & skf21("1","5","2","4","7","7","4","1") = "6"
    & skf21("1","5","2","4","7","7","5","1") = "6"
    & skf21("1","5","2","4","7","7","6","1") = "6"
    & skf21("1","5","2","4","7","7","7","1") = "6"
    & skf21("1","5","2","5","1","1","1","1") = "4"
    & skf21("1","5","2","5","1","1","2","1") = "4"
    & skf21("1","5","2","5","1","1","3","1") = "4"
    & skf21("1","5","2","5","1","1","4","1") = "4"
    & skf21("1","5","2","5","1","1","5","1") = "4"
    & skf21("1","5","2","5","1","1","6","1") = "5"
    & skf21("1","5","2","5","1","1","7","1") = "6"
    & skf21("1","5","2","5","1","2","1","1") = "4"
    & skf21("1","5","2","5","1","2","2","1") = "4"
    & skf21("1","5","2","5","1","2","3","1") = "4"
    & skf21("1","5","2","5","1","2","4","1") = "4"
    & skf21("1","5","2","5","1","2","5","1") = "4"
    & skf21("1","5","2","5","1","2","6","1") = "5"
    & skf21("1","5","2","5","1","2","7","1") = "6"
    & skf21("1","5","2","5","1","3","1","1") = "4"
    & skf21("1","5","2","5","1","3","2","1") = "4"
    & skf21("1","5","2","5","1","3","3","1") = "4"
    & skf21("1","5","2","5","1","3","4","1") = "4"
    & skf21("1","5","2","5","1","3","5","1") = "4"
    & skf21("1","5","2","5","1","3","6","1") = "5"
    & skf21("1","5","2","5","1","3","7","1") = "6"
    & skf21("1","5","2","5","1","4","1","1") = "4"
    & skf21("1","5","2","5","1","4","2","1") = "4"
    & skf21("1","5","2","5","1","4","3","1") = "4"
    & skf21("1","5","2","5","1","4","4","1") = "4"
    & skf21("1","5","2","5","1","4","5","1") = "4"
    & skf21("1","5","2","5","1","4","6","1") = "5"
    & skf21("1","5","2","5","1","4","7","1") = "6"
    & skf21("1","5","2","5","1","5","1","1") = "4"
    & skf21("1","5","2","5","1","5","2","1") = "4"
    & skf21("1","5","2","5","1","5","3","1") = "4"
    & skf21("1","5","2","5","1","5","4","1") = "4"
    & skf21("1","5","2","5","1","5","5","1") = "4"
    & skf21("1","5","2","5","1","5","6","1") = "5"
    & skf21("1","5","2","5","1","5","7","1") = "6"
    & skf21("1","5","2","5","1","6","1","1") = "5"
    & skf21("1","5","2","5","1","6","2","1") = "5"
    & skf21("1","5","2","5","1","6","3","1") = "5"
    & skf21("1","5","2","5","1","6","4","1") = "5"
    & skf21("1","5","2","5","1","6","5","1") = "5"
    & skf21("1","5","2","5","1","6","6","1") = "5"
    & skf21("1","5","2","5","1","6","7","1") = "6"
    & skf21("1","5","2","5","1","7","1","1") = "6"
    & skf21("1","5","2","5","1","7","2","1") = "6"
    & skf21("1","5","2","5","1","7","3","1") = "6"
    & skf21("1","5","2","5","1","7","4","1") = "6"
    & skf21("1","5","2","5","1","7","5","1") = "6"
    & skf21("1","5","2","5","1","7","6","1") = "6"
    & skf21("1","5","2","5","1","7","7","1") = "6"
    & skf21("1","5","2","5","2","1","1","1") = "4"
    & skf21("1","5","2","5","2","1","2","1") = "4"
    & skf21("1","5","2","5","2","1","3","1") = "4"
    & skf21("1","5","2","5","2","1","4","1") = "4"
    & skf21("1","5","2","5","2","1","5","1") = "4"
    & skf21("1","5","2","5","2","1","6","1") = "5"
    & skf21("1","5","2","5","2","1","7","1") = "6"
    & skf21("1","5","2","5","2","2","1","1") = "4"
    & skf21("1","5","2","5","2","2","2","1") = "4"
    & skf21("1","5","2","5","2","2","3","1") = "4"
    & skf21("1","5","2","5","2","2","4","1") = "4"
    & skf21("1","5","2","5","2","2","5","1") = "4"
    & skf21("1","5","2","5","2","2","6","1") = "5"
    & skf21("1","5","2","5","2","2","7","1") = "6"
    & skf21("1","5","2","5","2","3","1","1") = "4"
    & skf21("1","5","2","5","2","3","2","1") = "4"
    & skf21("1","5","2","5","2","3","3","1") = "4"
    & skf21("1","5","2","5","2","3","4","1") = "4"
    & skf21("1","5","2","5","2","3","5","1") = "4"
    & skf21("1","5","2","5","2","3","6","1") = "5"
    & skf21("1","5","2","5","2","3","7","1") = "6"
    & skf21("1","5","2","5","2","4","1","1") = "4"
    & skf21("1","5","2","5","2","4","2","1") = "4"
    & skf21("1","5","2","5","2","4","3","1") = "4"
    & skf21("1","5","2","5","2","4","4","1") = "4"
    & skf21("1","5","2","5","2","4","5","1") = "4"
    & skf21("1","5","2","5","2","4","6","1") = "5"
    & skf21("1","5","2","5","2","4","7","1") = "6"
    & skf21("1","5","2","5","2","5","1","1") = "4"
    & skf21("1","5","2","5","2","5","2","1") = "4"
    & skf21("1","5","2","5","2","5","3","1") = "4"
    & skf21("1","5","2","5","2","5","4","1") = "4"
    & skf21("1","5","2","5","2","5","5","1") = "4"
    & skf21("1","5","2","5","2","5","6","1") = "5"
    & skf21("1","5","2","5","2","5","7","1") = "6"
    & skf21("1","5","2","5","2","6","1","1") = "5"
    & skf21("1","5","2","5","2","6","2","1") = "5"
    & skf21("1","5","2","5","2","6","3","1") = "5"
    & skf21("1","5","2","5","2","6","4","1") = "5"
    & skf21("1","5","2","5","2","6","5","1") = "5"
    & skf21("1","5","2","5","2","6","6","1") = "5"
    & skf21("1","5","2","5","2","6","7","1") = "6"
    & skf21("1","5","2","5","2","7","1","1") = "6"
    & skf21("1","5","2","5","2","7","2","1") = "6"
    & skf21("1","5","2","5","2","7","3","1") = "6"
    & skf21("1","5","2","5","2","7","4","1") = "6"
    & skf21("1","5","2","5","2","7","5","1") = "6"
    & skf21("1","5","2","5","2","7","6","1") = "6"
    & skf21("1","5","2","5","2","7","7","1") = "6"
    & skf21("1","5","2","5","3","1","1","1") = "4"
    & skf21("1","5","2","5","3","1","2","1") = "4"
    & skf21("1","5","2","5","3","1","3","1") = "4"
    & skf21("1","5","2","5","3","1","4","1") = "4"
    & skf21("1","5","2","5","3","1","5","1") = "4"
    & skf21("1","5","2","5","3","1","6","1") = "5"
    & skf21("1","5","2","5","3","1","7","1") = "6"
    & skf21("1","5","2","5","3","2","1","1") = "4"
    & skf21("1","5","2","5","3","2","2","1") = "4"
    & skf21("1","5","2","5","3","2","3","1") = "4"
    & skf21("1","5","2","5","3","2","4","1") = "4"
    & skf21("1","5","2","5","3","2","5","1") = "4"
    & skf21("1","5","2","5","3","2","6","1") = "5"
    & skf21("1","5","2","5","3","2","7","1") = "6"
    & skf21("1","5","2","5","3","3","1","1") = "4"
    & skf21("1","5","2","5","3","3","2","1") = "4"
    & skf21("1","5","2","5","3","3","3","1") = "4"
    & skf21("1","5","2","5","3","3","4","1") = "4"
    & skf21("1","5","2","5","3","3","5","1") = "4"
    & skf21("1","5","2","5","3","3","6","1") = "5"
    & skf21("1","5","2","5","3","3","7","1") = "6"
    & skf21("1","5","2","5","3","4","1","1") = "4"
    & skf21("1","5","2","5","3","4","2","1") = "4"
    & skf21("1","5","2","5","3","4","3","1") = "4"
    & skf21("1","5","2","5","3","4","4","1") = "4"
    & skf21("1","5","2","5","3","4","5","1") = "4"
    & skf21("1","5","2","5","3","4","6","1") = "5"
    & skf21("1","5","2","5","3","4","7","1") = "6"
    & skf21("1","5","2","5","3","5","1","1") = "4"
    & skf21("1","5","2","5","3","5","2","1") = "4"
    & skf21("1","5","2","5","3","5","3","1") = "4"
    & skf21("1","5","2","5","3","5","4","1") = "4"
    & skf21("1","5","2","5","3","5","5","1") = "4"
    & skf21("1","5","2","5","3","5","6","1") = "5"
    & skf21("1","5","2","5","3","5","7","1") = "6"
    & skf21("1","5","2","5","3","6","1","1") = "5"
    & skf21("1","5","2","5","3","6","2","1") = "5"
    & skf21("1","5","2","5","3","6","3","1") = "5"
    & skf21("1","5","2","5","3","6","4","1") = "5"
    & skf21("1","5","2","5","3","6","5","1") = "5"
    & skf21("1","5","2","5","3","6","6","1") = "5"
    & skf21("1","5","2","5","3","6","7","1") = "6"
    & skf21("1","5","2","5","3","7","1","1") = "6"
    & skf21("1","5","2","5","3","7","2","1") = "6"
    & skf21("1","5","2","5","3","7","3","1") = "6"
    & skf21("1","5","2","5","3","7","4","1") = "6"
    & skf21("1","5","2","5","3","7","5","1") = "6"
    & skf21("1","5","2","5","3","7","6","1") = "6"
    & skf21("1","5","2","5","3","7","7","1") = "6"
    & skf21("1","5","2","5","4","1","1","1") = "4"
    & skf21("1","5","2","5","4","1","2","1") = "4"
    & skf21("1","5","2","5","4","1","3","1") = "4"
    & skf21("1","5","2","5","4","1","4","1") = "4"
    & skf21("1","5","2","5","4","1","5","1") = "4"
    & skf21("1","5","2","5","4","1","6","1") = "5"
    & skf21("1","5","2","5","4","1","7","1") = "6"
    & skf21("1","5","2","5","4","2","1","1") = "4"
    & skf21("1","5","2","5","4","2","2","1") = "4"
    & skf21("1","5","2","5","4","2","3","1") = "4"
    & skf21("1","5","2","5","4","2","4","1") = "4"
    & skf21("1","5","2","5","4","2","5","1") = "4"
    & skf21("1","5","2","5","4","2","6","1") = "5"
    & skf21("1","5","2","5","4","2","7","1") = "6"
    & skf21("1","5","2","5","4","3","1","1") = "4"
    & skf21("1","5","2","5","4","3","2","1") = "4"
    & skf21("1","5","2","5","4","3","3","1") = "4"
    & skf21("1","5","2","5","4","3","4","1") = "4"
    & skf21("1","5","2","5","4","3","5","1") = "4"
    & skf21("1","5","2","5","4","3","6","1") = "5"
    & skf21("1","5","2","5","4","3","7","1") = "6"
    & skf21("1","5","2","5","4","4","1","1") = "4"
    & skf21("1","5","2","5","4","4","2","1") = "4"
    & skf21("1","5","2","5","4","4","3","1") = "4"
    & skf21("1","5","2","5","4","4","4","1") = "4"
    & skf21("1","5","2","5","4","4","5","1") = "4"
    & skf21("1","5","2","5","4","4","6","1") = "5"
    & skf21("1","5","2","5","4","4","7","1") = "6"
    & skf21("1","5","2","5","4","5","1","1") = "4"
    & skf21("1","5","2","5","4","5","2","1") = "4"
    & skf21("1","5","2","5","4","5","3","1") = "4"
    & skf21("1","5","2","5","4","5","4","1") = "4"
    & skf21("1","5","2","5","4","5","5","1") = "4"
    & skf21("1","5","2","5","4","5","6","1") = "5"
    & skf21("1","5","2","5","4","5","7","1") = "6"
    & skf21("1","5","2","5","4","6","1","1") = "5"
    & skf21("1","5","2","5","4","6","2","1") = "5"
    & skf21("1","5","2","5","4","6","3","1") = "5"
    & skf21("1","5","2","5","4","6","4","1") = "5"
    & skf21("1","5","2","5","4","6","5","1") = "5"
    & skf21("1","5","2","5","4","6","6","1") = "5"
    & skf21("1","5","2","5","4","6","7","1") = "6"
    & skf21("1","5","2","5","4","7","1","1") = "6"
    & skf21("1","5","2","5","4","7","2","1") = "6"
    & skf21("1","5","2","5","4","7","3","1") = "6"
    & skf21("1","5","2","5","4","7","4","1") = "6"
    & skf21("1","5","2","5","4","7","5","1") = "6"
    & skf21("1","5","2","5","4","7","6","1") = "6"
    & skf21("1","5","2","5","4","7","7","1") = "6"
    & skf21("1","5","2","5","5","1","1","1") = "4"
    & skf21("1","5","2","5","5","1","2","1") = "4"
    & skf21("1","5","2","5","5","1","3","1") = "4"
    & skf21("1","5","2","5","5","1","4","1") = "4"
    & skf21("1","5","2","5","5","1","5","1") = "4"
    & skf21("1","5","2","5","5","1","6","1") = "5"
    & skf21("1","5","2","5","5","1","7","1") = "6"
    & skf21("1","5","2","5","5","2","1","1") = "4"
    & skf21("1","5","2","5","5","2","2","1") = "4"
    & skf21("1","5","2","5","5","2","3","1") = "4"
    & skf21("1","5","2","5","5","2","4","1") = "4"
    & skf21("1","5","2","5","5","2","5","1") = "4"
    & skf21("1","5","2","5","5","2","6","1") = "5"
    & skf21("1","5","2","5","5","2","7","1") = "6"
    & skf21("1","5","2","5","5","3","1","1") = "4"
    & skf21("1","5","2","5","5","3","2","1") = "4"
    & skf21("1","5","2","5","5","3","3","1") = "4"
    & skf21("1","5","2","5","5","3","4","1") = "4"
    & skf21("1","5","2","5","5","3","5","1") = "4"
    & skf21("1","5","2","5","5","3","6","1") = "5"
    & skf21("1","5","2","5","5","3","7","1") = "6"
    & skf21("1","5","2","5","5","4","1","1") = "4"
    & skf21("1","5","2","5","5","4","2","1") = "4"
    & skf21("1","5","2","5","5","4","3","1") = "4"
    & skf21("1","5","2","5","5","4","4","1") = "4"
    & skf21("1","5","2","5","5","4","5","1") = "4"
    & skf21("1","5","2","5","5","4","6","1") = "5"
    & skf21("1","5","2","5","5","4","7","1") = "6"
    & skf21("1","5","2","5","5","5","1","1") = "4"
    & skf21("1","5","2","5","5","5","2","1") = "4"
    & skf21("1","5","2","5","5","5","3","1") = "4"
    & skf21("1","5","2","5","5","5","4","1") = "4"
    & skf21("1","5","2","5","5","5","5","1") = "4"
    & skf21("1","5","2","5","5","5","6","1") = "5"
    & skf21("1","5","2","5","5","5","7","1") = "6"
    & skf21("1","5","2","5","5","6","1","1") = "5"
    & skf21("1","5","2","5","5","6","2","1") = "5"
    & skf21("1","5","2","5","5","6","3","1") = "5"
    & skf21("1","5","2","5","5","6","4","1") = "5"
    & skf21("1","5","2","5","5","6","5","1") = "5"
    & skf21("1","5","2","5","5","6","6","1") = "5"
    & skf21("1","5","2","5","5","6","7","1") = "6"
    & skf21("1","5","2","5","5","7","1","1") = "6"
    & skf21("1","5","2","5","5","7","2","1") = "6"
    & skf21("1","5","2","5","5","7","3","1") = "6"
    & skf21("1","5","2","5","5","7","4","1") = "6"
    & skf21("1","5","2","5","5","7","5","1") = "6"
    & skf21("1","5","2","5","5","7","6","1") = "6"
    & skf21("1","5","2","5","5","7","7","1") = "6"
    & skf21("1","5","2","5","6","1","1","1") = "5"
    & skf21("1","5","2","5","6","1","2","1") = "5"
    & skf21("1","5","2","5","6","1","3","1") = "5"
    & skf21("1","5","2","5","6","1","4","1") = "5"
    & skf21("1","5","2","5","6","1","5","1") = "5"
    & skf21("1","5","2","5","6","1","6","1") = "5"
    & skf21("1","5","2","5","6","1","7","1") = "6"
    & skf21("1","5","2","5","6","2","1","1") = "5"
    & skf21("1","5","2","5","6","2","2","1") = "5"
    & skf21("1","5","2","5","6","2","3","1") = "5"
    & skf21("1","5","2","5","6","2","4","1") = "5"
    & skf21("1","5","2","5","6","2","5","1") = "5"
    & skf21("1","5","2","5","6","2","6","1") = "5"
    & skf21("1","5","2","5","6","2","7","1") = "6"
    & skf21("1","5","2","5","6","3","1","1") = "5"
    & skf21("1","5","2","5","6","3","2","1") = "5"
    & skf21("1","5","2","5","6","3","3","1") = "5"
    & skf21("1","5","2","5","6","3","4","1") = "5"
    & skf21("1","5","2","5","6","3","5","1") = "5"
    & skf21("1","5","2","5","6","3","6","1") = "5"
    & skf21("1","5","2","5","6","3","7","1") = "6"
    & skf21("1","5","2","5","6","4","1","1") = "5"
    & skf21("1","5","2","5","6","4","2","1") = "5"
    & skf21("1","5","2","5","6","4","3","1") = "5"
    & skf21("1","5","2","5","6","4","4","1") = "5"
    & skf21("1","5","2","5","6","4","5","1") = "5"
    & skf21("1","5","2","5","6","4","6","1") = "5"
    & skf21("1","5","2","5","6","4","7","1") = "6"
    & skf21("1","5","2","5","6","5","1","1") = "5"
    & skf21("1","5","2","5","6","5","2","1") = "5"
    & skf21("1","5","2","5","6","5","3","1") = "5"
    & skf21("1","5","2","5","6","5","4","1") = "5"
    & skf21("1","5","2","5","6","5","5","1") = "5"
    & skf21("1","5","2","5","6","5","6","1") = "5"
    & skf21("1","5","2","5","6","5","7","1") = "6"
    & skf21("1","5","2","5","6","6","1","1") = "5"
    & skf21("1","5","2","5","6","6","2","1") = "5"
    & skf21("1","5","2","5","6","6","3","1") = "5"
    & skf21("1","5","2","5","6","6","4","1") = "5"
    & skf21("1","5","2","5","6","6","5","1") = "5"
    & skf21("1","5","2","5","6","6","6","1") = "5"
    & skf21("1","5","2","5","6","6","7","1") = "6"
    & skf21("1","5","2","5","6","7","1","1") = "6"
    & skf21("1","5","2","5","6","7","2","1") = "6"
    & skf21("1","5","2","5","6","7","3","1") = "6"
    & skf21("1","5","2","5","6","7","4","1") = "6"
    & skf21("1","5","2","5","6","7","5","1") = "6"
    & skf21("1","5","2","5","6","7","6","1") = "6"
    & skf21("1","5","2","5","6","7","7","1") = "6"
    & skf21("1","5","2","5","7","1","1","1") = "6"
    & skf21("1","5","2","5","7","1","2","1") = "6"
    & skf21("1","5","2","5","7","1","3","1") = "6"
    & skf21("1","5","2","5","7","1","4","1") = "6"
    & skf21("1","5","2","5","7","1","5","1") = "6"
    & skf21("1","5","2","5","7","1","6","1") = "6"
    & skf21("1","5","2","5","7","1","7","1") = "6"
    & skf21("1","5","2","5","7","2","1","1") = "6"
    & skf21("1","5","2","5","7","2","2","1") = "6"
    & skf21("1","5","2","5","7","2","3","1") = "6"
    & skf21("1","5","2","5","7","2","4","1") = "6"
    & skf21("1","5","2","5","7","2","5","1") = "6"
    & skf21("1","5","2","5","7","2","6","1") = "6"
    & skf21("1","5","2","5","7","2","7","1") = "6"
    & skf21("1","5","2","5","7","3","1","1") = "6"
    & skf21("1","5","2","5","7","3","2","1") = "6"
    & skf21("1","5","2","5","7","3","3","1") = "6"
    & skf21("1","5","2","5","7","3","4","1") = "6"
    & skf21("1","5","2","5","7","3","5","1") = "6"
    & skf21("1","5","2","5","7","3","6","1") = "6"
    & skf21("1","5","2","5","7","3","7","1") = "6"
    & skf21("1","5","2","5","7","4","1","1") = "6"
    & skf21("1","5","2","5","7","4","2","1") = "6"
    & skf21("1","5","2","5","7","4","3","1") = "6"
    & skf21("1","5","2","5","7","4","4","1") = "6"
    & skf21("1","5","2","5","7","4","5","1") = "6"
    & skf21("1","5","2","5","7","4","6","1") = "6"
    & skf21("1","5","2","5","7","4","7","1") = "6"
    & skf21("1","5","2","5","7","5","1","1") = "6"
    & skf21("1","5","2","5","7","5","2","1") = "6"
    & skf21("1","5","2","5","7","5","3","1") = "6"
    & skf21("1","5","2","5","7","5","4","1") = "6"
    & skf21("1","5","2","5","7","5","5","1") = "6"
    & skf21("1","5","2","5","7","5","6","1") = "6"
    & skf21("1","5","2","5","7","5","7","1") = "6"
    & skf21("1","5","2","5","7","6","1","1") = "6"
    & skf21("1","5","2","5","7","6","2","1") = "6"
    & skf21("1","5","2","5","7","6","3","1") = "6"
    & skf21("1","5","2","5","7","6","4","1") = "6"
    & skf21("1","5","2","5","7","6","5","1") = "6"
    & skf21("1","5","2","5","7","6","6","1") = "6"
    & skf21("1","5","2","5","7","6","7","1") = "6"
    & skf21("1","5","2","5","7","7","1","1") = "6"
    & skf21("1","5","2","5","7","7","2","1") = "6"
    & skf21("1","5","2","5","7","7","3","1") = "6"
    & skf21("1","5","2","5","7","7","4","1") = "6"
    & skf21("1","5","2","5","7","7","5","1") = "6"
    & skf21("1","5","2","5","7","7","6","1") = "6"
    & skf21("1","5","2","5","7","7","7","1") = "6"
    & skf21("1","5","2","6","1","1","1","1") = "5"
    & skf21("1","5","2","6","1","1","2","1") = "5"
    & skf21("1","5","2","6","1","1","3","1") = "5"
    & skf21("1","5","2","6","1","1","4","1") = "5"
    & skf21("1","5","2","6","1","1","5","1") = "5"
    & skf21("1","5","2","6","1","1","6","1") = "5"
    & skf21("1","5","2","6","1","1","7","1") = "6"
    & skf21("1","5","2","6","1","2","1","1") = "5"
    & skf21("1","5","2","6","1","2","2","1") = "5"
    & skf21("1","5","2","6","1","2","3","1") = "5"
    & skf21("1","5","2","6","1","2","4","1") = "5"
    & skf21("1","5","2","6","1","2","5","1") = "5"
    & skf21("1","5","2","6","1","2","6","1") = "5"
    & skf21("1","5","2","6","1","2","7","1") = "6"
    & skf21("1","5","2","6","1","3","1","1") = "5"
    & skf21("1","5","2","6","1","3","2","1") = "5"
    & skf21("1","5","2","6","1","3","3","1") = "5"
    & skf21("1","5","2","6","1","3","4","1") = "5"
    & skf21("1","5","2","6","1","3","5","1") = "5"
    & skf21("1","5","2","6","1","3","6","1") = "5"
    & skf21("1","5","2","6","1","3","7","1") = "6"
    & skf21("1","5","2","6","1","4","1","1") = "5"
    & skf21("1","5","2","6","1","4","2","1") = "5"
    & skf21("1","5","2","6","1","4","3","1") = "5"
    & skf21("1","5","2","6","1","4","4","1") = "5"
    & skf21("1","5","2","6","1","4","5","1") = "5"
    & skf21("1","5","2","6","1","4","6","1") = "5"
    & skf21("1","5","2","6","1","4","7","1") = "6"
    & skf21("1","5","2","6","1","5","1","1") = "5"
    & skf21("1","5","2","6","1","5","2","1") = "5"
    & skf21("1","5","2","6","1","5","3","1") = "5"
    & skf21("1","5","2","6","1","5","4","1") = "5"
    & skf21("1","5","2","6","1","5","5","1") = "5"
    & skf21("1","5","2","6","1","5","6","1") = "5"
    & skf21("1","5","2","6","1","5","7","1") = "6"
    & skf21("1","5","2","6","1","6","1","1") = "5"
    & skf21("1","5","2","6","1","6","2","1") = "5"
    & skf21("1","5","2","6","1","6","3","1") = "5"
    & skf21("1","5","2","6","1","6","4","1") = "5"
    & skf21("1","5","2","6","1","6","5","1") = "5"
    & skf21("1","5","2","6","1","6","6","1") = "5"
    & skf21("1","5","2","6","1","6","7","1") = "6"
    & skf21("1","5","2","6","1","7","1","1") = "6"
    & skf21("1","5","2","6","1","7","2","1") = "6"
    & skf21("1","5","2","6","1","7","3","1") = "6"
    & skf21("1","5","2","6","1","7","4","1") = "6"
    & skf21("1","5","2","6","1","7","5","1") = "6"
    & skf21("1","5","2","6","1","7","6","1") = "6"
    & skf21("1","5","2","6","1","7","7","1") = "6"
    & skf21("1","5","2","6","2","1","1","1") = "5"
    & skf21("1","5","2","6","2","1","2","1") = "5"
    & skf21("1","5","2","6","2","1","3","1") = "5"
    & skf21("1","5","2","6","2","1","4","1") = "5"
    & skf21("1","5","2","6","2","1","5","1") = "5"
    & skf21("1","5","2","6","2","1","6","1") = "5"
    & skf21("1","5","2","6","2","1","7","1") = "6"
    & skf21("1","5","2","6","2","2","1","1") = "5"
    & skf21("1","5","2","6","2","2","2","1") = "5"
    & skf21("1","5","2","6","2","2","3","1") = "5"
    & skf21("1","5","2","6","2","2","4","1") = "5"
    & skf21("1","5","2","6","2","2","5","1") = "5"
    & skf21("1","5","2","6","2","2","6","1") = "5"
    & skf21("1","5","2","6","2","2","7","1") = "6"
    & skf21("1","5","2","6","2","3","1","1") = "5"
    & skf21("1","5","2","6","2","3","2","1") = "5"
    & skf21("1","5","2","6","2","3","3","1") = "5"
    & skf21("1","5","2","6","2","3","4","1") = "5"
    & skf21("1","5","2","6","2","3","5","1") = "5"
    & skf21("1","5","2","6","2","3","6","1") = "5"
    & skf21("1","5","2","6","2","3","7","1") = "6"
    & skf21("1","5","2","6","2","4","1","1") = "5"
    & skf21("1","5","2","6","2","4","2","1") = "5"
    & skf21("1","5","2","6","2","4","3","1") = "5"
    & skf21("1","5","2","6","2","4","4","1") = "5"
    & skf21("1","5","2","6","2","4","5","1") = "5"
    & skf21("1","5","2","6","2","4","6","1") = "5"
    & skf21("1","5","2","6","2","4","7","1") = "6"
    & skf21("1","5","2","6","2","5","1","1") = "5"
    & skf21("1","5","2","6","2","5","2","1") = "5"
    & skf21("1","5","2","6","2","5","3","1") = "5"
    & skf21("1","5","2","6","2","5","4","1") = "5"
    & skf21("1","5","2","6","2","5","5","1") = "5"
    & skf21("1","5","2","6","2","5","6","1") = "5"
    & skf21("1","5","2","6","2","5","7","1") = "6"
    & skf21("1","5","2","6","2","6","1","1") = "5"
    & skf21("1","5","2","6","2","6","2","1") = "5"
    & skf21("1","5","2","6","2","6","3","1") = "5"
    & skf21("1","5","2","6","2","6","4","1") = "5"
    & skf21("1","5","2","6","2","6","5","1") = "5"
    & skf21("1","5","2","6","2","6","6","1") = "5"
    & skf21("1","5","2","6","2","6","7","1") = "6"
    & skf21("1","5","2","6","2","7","1","1") = "6"
    & skf21("1","5","2","6","2","7","2","1") = "6"
    & skf21("1","5","2","6","2","7","3","1") = "6"
    & skf21("1","5","2","6","2","7","4","1") = "6"
    & skf21("1","5","2","6","2","7","5","1") = "6"
    & skf21("1","5","2","6","2","7","6","1") = "6"
    & skf21("1","5","2","6","2","7","7","1") = "6"
    & skf21("1","5","2","6","3","1","1","1") = "5"
    & skf21("1","5","2","6","3","1","2","1") = "5"
    & skf21("1","5","2","6","3","1","3","1") = "5"
    & skf21("1","5","2","6","3","1","4","1") = "5"
    & skf21("1","5","2","6","3","1","5","1") = "5"
    & skf21("1","5","2","6","3","1","6","1") = "5"
    & skf21("1","5","2","6","3","1","7","1") = "6"
    & skf21("1","5","2","6","3","2","1","1") = "5"
    & skf21("1","5","2","6","3","2","2","1") = "5"
    & skf21("1","5","2","6","3","2","3","1") = "5"
    & skf21("1","5","2","6","3","2","4","1") = "5"
    & skf21("1","5","2","6","3","2","5","1") = "5"
    & skf21("1","5","2","6","3","2","6","1") = "5"
    & skf21("1","5","2","6","3","2","7","1") = "6"
    & skf21("1","5","2","6","3","3","1","1") = "5"
    & skf21("1","5","2","6","3","3","2","1") = "5"
    & skf21("1","5","2","6","3","3","3","1") = "5"
    & skf21("1","5","2","6","3","3","4","1") = "5"
    & skf21("1","5","2","6","3","3","5","1") = "5"
    & skf21("1","5","2","6","3","3","6","1") = "5"
    & skf21("1","5","2","6","3","3","7","1") = "6"
    & skf21("1","5","2","6","3","4","1","1") = "5"
    & skf21("1","5","2","6","3","4","2","1") = "5"
    & skf21("1","5","2","6","3","4","3","1") = "5"
    & skf21("1","5","2","6","3","4","4","1") = "5"
    & skf21("1","5","2","6","3","4","5","1") = "5"
    & skf21("1","5","2","6","3","4","6","1") = "5"
    & skf21("1","5","2","6","3","4","7","1") = "6"
    & skf21("1","5","2","6","3","5","1","1") = "5"
    & skf21("1","5","2","6","3","5","2","1") = "5"
    & skf21("1","5","2","6","3","5","3","1") = "5"
    & skf21("1","5","2","6","3","5","4","1") = "5"
    & skf21("1","5","2","6","3","5","5","1") = "5"
    & skf21("1","5","2","6","3","5","6","1") = "5"
    & skf21("1","5","2","6","3","5","7","1") = "6"
    & skf21("1","5","2","6","3","6","1","1") = "5"
    & skf21("1","5","2","6","3","6","2","1") = "5"
    & skf21("1","5","2","6","3","6","3","1") = "5"
    & skf21("1","5","2","6","3","6","4","1") = "5"
    & skf21("1","5","2","6","3","6","5","1") = "5"
    & skf21("1","5","2","6","3","6","6","1") = "5"
    & skf21("1","5","2","6","3","6","7","1") = "6"
    & skf21("1","5","2","6","3","7","1","1") = "6"
    & skf21("1","5","2","6","3","7","2","1") = "6"
    & skf21("1","5","2","6","3","7","3","1") = "6"
    & skf21("1","5","2","6","3","7","4","1") = "6"
    & skf21("1","5","2","6","3","7","5","1") = "6"
    & skf21("1","5","2","6","3","7","6","1") = "6"
    & skf21("1","5","2","6","3","7","7","1") = "6"
    & skf21("1","5","2","6","4","1","1","1") = "5"
    & skf21("1","5","2","6","4","1","2","1") = "5"
    & skf21("1","5","2","6","4","1","3","1") = "5"
    & skf21("1","5","2","6","4","1","4","1") = "5"
    & skf21("1","5","2","6","4","1","5","1") = "5"
    & skf21("1","5","2","6","4","1","6","1") = "5"
    & skf21("1","5","2","6","4","1","7","1") = "6"
    & skf21("1","5","2","6","4","2","1","1") = "5"
    & skf21("1","5","2","6","4","2","2","1") = "5"
    & skf21("1","5","2","6","4","2","3","1") = "5"
    & skf21("1","5","2","6","4","2","4","1") = "5"
    & skf21("1","5","2","6","4","2","5","1") = "5"
    & skf21("1","5","2","6","4","2","6","1") = "5"
    & skf21("1","5","2","6","4","2","7","1") = "6"
    & skf21("1","5","2","6","4","3","1","1") = "5"
    & skf21("1","5","2","6","4","3","2","1") = "5"
    & skf21("1","5","2","6","4","3","3","1") = "5"
    & skf21("1","5","2","6","4","3","4","1") = "5"
    & skf21("1","5","2","6","4","3","5","1") = "5"
    & skf21("1","5","2","6","4","3","6","1") = "5"
    & skf21("1","5","2","6","4","3","7","1") = "6"
    & skf21("1","5","2","6","4","4","1","1") = "5"
    & skf21("1","5","2","6","4","4","2","1") = "5"
    & skf21("1","5","2","6","4","4","3","1") = "5"
    & skf21("1","5","2","6","4","4","4","1") = "5"
    & skf21("1","5","2","6","4","4","5","1") = "5"
    & skf21("1","5","2","6","4","4","6","1") = "5"
    & skf21("1","5","2","6","4","4","7","1") = "6"
    & skf21("1","5","2","6","4","5","1","1") = "5"
    & skf21("1","5","2","6","4","5","2","1") = "5"
    & skf21("1","5","2","6","4","5","3","1") = "5"
    & skf21("1","5","2","6","4","5","4","1") = "5"
    & skf21("1","5","2","6","4","5","5","1") = "5"
    & skf21("1","5","2","6","4","5","6","1") = "5"
    & skf21("1","5","2","6","4","5","7","1") = "6"
    & skf21("1","5","2","6","4","6","1","1") = "5"
    & skf21("1","5","2","6","4","6","2","1") = "5"
    & skf21("1","5","2","6","4","6","3","1") = "5"
    & skf21("1","5","2","6","4","6","4","1") = "5"
    & skf21("1","5","2","6","4","6","5","1") = "5"
    & skf21("1","5","2","6","4","6","6","1") = "5"
    & skf21("1","5","2","6","4","6","7","1") = "6"
    & skf21("1","5","2","6","4","7","1","1") = "6"
    & skf21("1","5","2","6","4","7","2","1") = "6"
    & skf21("1","5","2","6","4","7","3","1") = "6"
    & skf21("1","5","2","6","4","7","4","1") = "6"
    & skf21("1","5","2","6","4","7","5","1") = "6"
    & skf21("1","5","2","6","4","7","6","1") = "6"
    & skf21("1","5","2","6","4","7","7","1") = "6"
    & skf21("1","5","2","6","5","1","1","1") = "5"
    & skf21("1","5","2","6","5","1","2","1") = "5"
    & skf21("1","5","2","6","5","1","3","1") = "5"
    & skf21("1","5","2","6","5","1","4","1") = "5"
    & skf21("1","5","2","6","5","1","5","1") = "5"
    & skf21("1","5","2","6","5","1","6","1") = "5"
    & skf21("1","5","2","6","5","1","7","1") = "6"
    & skf21("1","5","2","6","5","2","1","1") = "5"
    & skf21("1","5","2","6","5","2","2","1") = "5"
    & skf21("1","5","2","6","5","2","3","1") = "5"
    & skf21("1","5","2","6","5","2","4","1") = "5"
    & skf21("1","5","2","6","5","2","5","1") = "5"
    & skf21("1","5","2","6","5","2","6","1") = "5"
    & skf21("1","5","2","6","5","2","7","1") = "6"
    & skf21("1","5","2","6","5","3","1","1") = "5"
    & skf21("1","5","2","6","5","3","2","1") = "5"
    & skf21("1","5","2","6","5","3","3","1") = "5"
    & skf21("1","5","2","6","5","3","4","1") = "5"
    & skf21("1","5","2","6","5","3","5","1") = "5"
    & skf21("1","5","2","6","5","3","6","1") = "5"
    & skf21("1","5","2","6","5","3","7","1") = "6"
    & skf21("1","5","2","6","5","4","1","1") = "5"
    & skf21("1","5","2","6","5","4","2","1") = "5"
    & skf21("1","5","2","6","5","4","3","1") = "5"
    & skf21("1","5","2","6","5","4","4","1") = "5"
    & skf21("1","5","2","6","5","4","5","1") = "5"
    & skf21("1","5","2","6","5","4","6","1") = "5"
    & skf21("1","5","2","6","5","4","7","1") = "6"
    & skf21("1","5","2","6","5","5","1","1") = "5"
    & skf21("1","5","2","6","5","5","2","1") = "5"
    & skf21("1","5","2","6","5","5","3","1") = "5"
    & skf21("1","5","2","6","5","5","4","1") = "5"
    & skf21("1","5","2","6","5","5","5","1") = "5"
    & skf21("1","5","2","6","5","5","6","1") = "5"
    & skf21("1","5","2","6","5","5","7","1") = "6"
    & skf21("1","5","2","6","5","6","1","1") = "5"
    & skf21("1","5","2","6","5","6","2","1") = "5"
    & skf21("1","5","2","6","5","6","3","1") = "5"
    & skf21("1","5","2","6","5","6","4","1") = "5"
    & skf21("1","5","2","6","5","6","5","1") = "5"
    & skf21("1","5","2","6","5","6","6","1") = "5"
    & skf21("1","5","2","6","5","6","7","1") = "6"
    & skf21("1","5","2","6","5","7","1","1") = "6"
    & skf21("1","5","2","6","5","7","2","1") = "6"
    & skf21("1","5","2","6","5","7","3","1") = "6"
    & skf21("1","5","2","6","5","7","4","1") = "6"
    & skf21("1","5","2","6","5","7","5","1") = "6"
    & skf21("1","5","2","6","5","7","6","1") = "6"
    & skf21("1","5","2","6","5","7","7","1") = "6"
    & skf21("1","5","2","6","6","1","1","1") = "5"
    & skf21("1","5","2","6","6","1","2","1") = "5"
    & skf21("1","5","2","6","6","1","3","1") = "5"
    & skf21("1","5","2","6","6","1","4","1") = "5"
    & skf21("1","5","2","6","6","1","5","1") = "5"
    & skf21("1","5","2","6","6","1","6","1") = "5"
    & skf21("1","5","2","6","6","1","7","1") = "6"
    & skf21("1","5","2","6","6","2","1","1") = "5"
    & skf21("1","5","2","6","6","2","2","1") = "5"
    & skf21("1","5","2","6","6","2","3","1") = "5"
    & skf21("1","5","2","6","6","2","4","1") = "5"
    & skf21("1","5","2","6","6","2","5","1") = "5"
    & skf21("1","5","2","6","6","2","6","1") = "5"
    & skf21("1","5","2","6","6","2","7","1") = "6"
    & skf21("1","5","2","6","6","3","1","1") = "5"
    & skf21("1","5","2","6","6","3","2","1") = "5"
    & skf21("1","5","2","6","6","3","3","1") = "5"
    & skf21("1","5","2","6","6","3","4","1") = "5"
    & skf21("1","5","2","6","6","3","5","1") = "5"
    & skf21("1","5","2","6","6","3","6","1") = "5"
    & skf21("1","5","2","6","6","3","7","1") = "6"
    & skf21("1","5","2","6","6","4","1","1") = "5"
    & skf21("1","5","2","6","6","4","2","1") = "5"
    & skf21("1","5","2","6","6","4","3","1") = "5"
    & skf21("1","5","2","6","6","4","4","1") = "5"
    & skf21("1","5","2","6","6","4","5","1") = "5"
    & skf21("1","5","2","6","6","4","6","1") = "5"
    & skf21("1","5","2","6","6","4","7","1") = "6"
    & skf21("1","5","2","6","6","5","1","1") = "5"
    & skf21("1","5","2","6","6","5","2","1") = "5"
    & skf21("1","5","2","6","6","5","3","1") = "5"
    & skf21("1","5","2","6","6","5","4","1") = "5"
    & skf21("1","5","2","6","6","5","5","1") = "5"
    & skf21("1","5","2","6","6","5","6","1") = "5"
    & skf21("1","5","2","6","6","5","7","1") = "6"
    & skf21("1","5","2","6","6","6","1","1") = "5"
    & skf21("1","5","2","6","6","6","2","1") = "5"
    & skf21("1","5","2","6","6","6","3","1") = "5"
    & skf21("1","5","2","6","6","6","4","1") = "5"
    & skf21("1","5","2","6","6","6","5","1") = "5"
    & skf21("1","5","2","6","6","6","6","1") = "5"
    & skf21("1","5","2","6","6","6","7","1") = "6"
    & skf21("1","5","2","6","6","7","1","1") = "6"
    & skf21("1","5","2","6","6","7","2","1") = "6"
    & skf21("1","5","2","6","6","7","3","1") = "6"
    & skf21("1","5","2","6","6","7","4","1") = "6"
    & skf21("1","5","2","6","6","7","5","1") = "6"
    & skf21("1","5","2","6","6","7","6","1") = "6"
    & skf21("1","5","2","6","6","7","7","1") = "6"
    & skf21("1","5","2","6","7","1","1","1") = "6"
    & skf21("1","5","2","6","7","1","2","1") = "6"
    & skf21("1","5","2","6","7","1","3","1") = "6"
    & skf21("1","5","2","6","7","1","4","1") = "6"
    & skf21("1","5","2","6","7","1","5","1") = "6"
    & skf21("1","5","2","6","7","1","6","1") = "6"
    & skf21("1","5","2","6","7","1","7","1") = "6"
    & skf21("1","5","2","6","7","2","1","1") = "6"
    & skf21("1","5","2","6","7","2","2","1") = "6"
    & skf21("1","5","2","6","7","2","3","1") = "6"
    & skf21("1","5","2","6","7","2","4","1") = "6"
    & skf21("1","5","2","6","7","2","5","1") = "6"
    & skf21("1","5","2","6","7","2","6","1") = "6"
    & skf21("1","5","2","6","7","2","7","1") = "6"
    & skf21("1","5","2","6","7","3","1","1") = "6"
    & skf21("1","5","2","6","7","3","2","1") = "6"
    & skf21("1","5","2","6","7","3","3","1") = "6"
    & skf21("1","5","2","6","7","3","4","1") = "6"
    & skf21("1","5","2","6","7","3","5","1") = "6"
    & skf21("1","5","2","6","7","3","6","1") = "6"
    & skf21("1","5","2","6","7","3","7","1") = "6"
    & skf21("1","5","2","6","7","4","1","1") = "6"
    & skf21("1","5","2","6","7","4","2","1") = "6"
    & skf21("1","5","2","6","7","4","3","1") = "6"
    & skf21("1","5","2","6","7","4","4","1") = "6"
    & skf21("1","5","2","6","7","4","5","1") = "6"
    & skf21("1","5","2","6","7","4","6","1") = "6"
    & skf21("1","5","2","6","7","4","7","1") = "6"
    & skf21("1","5","2","6","7","5","1","1") = "6"
    & skf21("1","5","2","6","7","5","2","1") = "6"
    & skf21("1","5","2","6","7","5","3","1") = "6"
    & skf21("1","5","2","6","7","5","4","1") = "6"
    & skf21("1","5","2","6","7","5","5","1") = "6"
    & skf21("1","5","2","6","7","5","6","1") = "6"
    & skf21("1","5","2","6","7","5","7","1") = "6"
    & skf21("1","5","2","6","7","6","1","1") = "6"
    & skf21("1","5","2","6","7","6","2","1") = "6"
    & skf21("1","5","2","6","7","6","3","1") = "6"
    & skf21("1","5","2","6","7","6","4","1") = "6"
    & skf21("1","5","2","6","7","6","5","1") = "6"
    & skf21("1","5","2","6","7","6","6","1") = "6"
    & skf21("1","5","2","6","7","6","7","1") = "6"
    & skf21("1","5","2","6","7","7","1","1") = "6"
    & skf21("1","5","2","6","7","7","2","1") = "6"
    & skf21("1","5","2","6","7","7","3","1") = "6"
    & skf21("1","5","2","6","7","7","4","1") = "6"
    & skf21("1","5","2","6","7","7","5","1") = "6"
    & skf21("1","5","2","6","7","7","6","1") = "6"
    & skf21("1","5","2","6","7","7","7","1") = "6"
    & skf21("1","5","2","7","1","1","1","1") = "6"
    & skf21("1","5","2","7","1","1","2","1") = "6"
    & skf21("1","5","2","7","1","1","3","1") = "6"
    & skf21("1","5","2","7","1","1","4","1") = "6"
    & skf21("1","5","2","7","1","1","5","1") = "6"
    & skf21("1","5","2","7","1","1","6","1") = "6"
    & skf21("1","5","2","7","1","1","7","1") = "6"
    & skf21("1","5","2","7","1","2","1","1") = "6"
    & skf21("1","5","2","7","1","2","2","1") = "6"
    & skf21("1","5","2","7","1","2","3","1") = "6"
    & skf21("1","5","2","7","1","2","4","1") = "6"
    & skf21("1","5","2","7","1","2","5","1") = "6"
    & skf21("1","5","2","7","1","2","6","1") = "6"
    & skf21("1","5","2","7","1","2","7","1") = "6"
    & skf21("1","5","2","7","1","3","1","1") = "6"
    & skf21("1","5","2","7","1","3","2","1") = "6"
    & skf21("1","5","2","7","1","3","3","1") = "6"
    & skf21("1","5","2","7","1","3","4","1") = "6"
    & skf21("1","5","2","7","1","3","5","1") = "6"
    & skf21("1","5","2","7","1","3","6","1") = "6"
    & skf21("1","5","2","7","1","3","7","1") = "6"
    & skf21("1","5","2","7","1","4","1","1") = "6"
    & skf21("1","5","2","7","1","4","2","1") = "6"
    & skf21("1","5","2","7","1","4","3","1") = "6"
    & skf21("1","5","2","7","1","4","4","1") = "6"
    & skf21("1","5","2","7","1","4","5","1") = "6"
    & skf21("1","5","2","7","1","4","6","1") = "6"
    & skf21("1","5","2","7","1","4","7","1") = "6"
    & skf21("1","5","2","7","1","5","1","1") = "6"
    & skf21("1","5","2","7","1","5","2","1") = "6"
    & skf21("1","5","2","7","1","5","3","1") = "6"
    & skf21("1","5","2","7","1","5","4","1") = "6"
    & skf21("1","5","2","7","1","5","5","1") = "6"
    & skf21("1","5","2","7","1","5","6","1") = "6"
    & skf21("1","5","2","7","1","5","7","1") = "6"
    & skf21("1","5","2","7","1","6","1","1") = "6"
    & skf21("1","5","2","7","1","6","2","1") = "6"
    & skf21("1","5","2","7","1","6","3","1") = "6"
    & skf21("1","5","2","7","1","6","4","1") = "6"
    & skf21("1","5","2","7","1","6","5","1") = "6"
    & skf21("1","5","2","7","1","6","6","1") = "6"
    & skf21("1","5","2","7","1","6","7","1") = "6"
    & skf21("1","5","2","7","1","7","1","1") = "6"
    & skf21("1","5","2","7","1","7","2","1") = "6"
    & skf21("1","5","2","7","1","7","3","1") = "6"
    & skf21("1","5","2","7","1","7","4","1") = "6"
    & skf21("1","5","2","7","1","7","5","1") = "6"
    & skf21("1","5","2","7","1","7","6","1") = "6"
    & skf21("1","5","2","7","1","7","7","1") = "6"
    & skf21("1","5","2","7","2","1","1","1") = "6"
    & skf21("1","5","2","7","2","1","2","1") = "6"
    & skf21("1","5","2","7","2","1","3","1") = "6"
    & skf21("1","5","2","7","2","1","4","1") = "6"
    & skf21("1","5","2","7","2","1","5","1") = "6"
    & skf21("1","5","2","7","2","1","6","1") = "6"
    & skf21("1","5","2","7","2","1","7","1") = "6"
    & skf21("1","5","2","7","2","2","1","1") = "6"
    & skf21("1","5","2","7","2","2","2","1") = "6"
    & skf21("1","5","2","7","2","2","3","1") = "6"
    & skf21("1","5","2","7","2","2","4","1") = "6"
    & skf21("1","5","2","7","2","2","5","1") = "6"
    & skf21("1","5","2","7","2","2","6","1") = "6"
    & skf21("1","5","2","7","2","2","7","1") = "6"
    & skf21("1","5","2","7","2","3","1","1") = "6"
    & skf21("1","5","2","7","2","3","2","1") = "6"
    & skf21("1","5","2","7","2","3","3","1") = "6"
    & skf21("1","5","2","7","2","3","4","1") = "6"
    & skf21("1","5","2","7","2","3","5","1") = "6"
    & skf21("1","5","2","7","2","3","6","1") = "6"
    & skf21("1","5","2","7","2","3","7","1") = "6"
    & skf21("1","5","2","7","2","4","1","1") = "6"
    & skf21("1","5","2","7","2","4","2","1") = "6"
    & skf21("1","5","2","7","2","4","3","1") = "6"
    & skf21("1","5","2","7","2","4","4","1") = "6"
    & skf21("1","5","2","7","2","4","5","1") = "6"
    & skf21("1","5","2","7","2","4","6","1") = "6"
    & skf21("1","5","2","7","2","4","7","1") = "6"
    & skf21("1","5","2","7","2","5","1","1") = "6"
    & skf21("1","5","2","7","2","5","2","1") = "6"
    & skf21("1","5","2","7","2","5","3","1") = "6"
    & skf21("1","5","2","7","2","5","4","1") = "6"
    & skf21("1","5","2","7","2","5","5","1") = "6"
    & skf21("1","5","2","7","2","5","6","1") = "6"
    & skf21("1","5","2","7","2","5","7","1") = "6"
    & skf21("1","5","2","7","2","6","1","1") = "6"
    & skf21("1","5","2","7","2","6","2","1") = "6"
    & skf21("1","5","2","7","2","6","3","1") = "6"
    & skf21("1","5","2","7","2","6","4","1") = "6"
    & skf21("1","5","2","7","2","6","5","1") = "6"
    & skf21("1","5","2","7","2","6","6","1") = "6"
    & skf21("1","5","2","7","2","6","7","1") = "6"
    & skf21("1","5","2","7","2","7","1","1") = "6"
    & skf21("1","5","2","7","2","7","2","1") = "6"
    & skf21("1","5","2","7","2","7","3","1") = "6"
    & skf21("1","5","2","7","2","7","4","1") = "6"
    & skf21("1","5","2","7","2","7","5","1") = "6"
    & skf21("1","5","2","7","2","7","6","1") = "6"
    & skf21("1","5","2","7","2","7","7","1") = "6"
    & skf21("1","5","2","7","3","1","1","1") = "6"
    & skf21("1","5","2","7","3","1","2","1") = "6"
    & skf21("1","5","2","7","3","1","3","1") = "6"
    & skf21("1","5","2","7","3","1","4","1") = "6"
    & skf21("1","5","2","7","3","1","5","1") = "6"
    & skf21("1","5","2","7","3","1","6","1") = "6"
    & skf21("1","5","2","7","3","1","7","1") = "6"
    & skf21("1","5","2","7","3","2","1","1") = "6"
    & skf21("1","5","2","7","3","2","2","1") = "6"
    & skf21("1","5","2","7","3","2","3","1") = "6"
    & skf21("1","5","2","7","3","2","4","1") = "6"
    & skf21("1","5","2","7","3","2","5","1") = "6"
    & skf21("1","5","2","7","3","2","6","1") = "6"
    & skf21("1","5","2","7","3","2","7","1") = "6"
    & skf21("1","5","2","7","3","3","1","1") = "6"
    & skf21("1","5","2","7","3","3","2","1") = "6"
    & skf21("1","5","2","7","3","3","3","1") = "6"
    & skf21("1","5","2","7","3","3","4","1") = "6"
    & skf21("1","5","2","7","3","3","5","1") = "6"
    & skf21("1","5","2","7","3","3","6","1") = "6"
    & skf21("1","5","2","7","3","3","7","1") = "6"
    & skf21("1","5","2","7","3","4","1","1") = "6"
    & skf21("1","5","2","7","3","4","2","1") = "6"
    & skf21("1","5","2","7","3","4","3","1") = "6"
    & skf21("1","5","2","7","3","4","4","1") = "6"
    & skf21("1","5","2","7","3","4","5","1") = "6"
    & skf21("1","5","2","7","3","4","6","1") = "6"
    & skf21("1","5","2","7","3","4","7","1") = "6"
    & skf21("1","5","2","7","3","5","1","1") = "6"
    & skf21("1","5","2","7","3","5","2","1") = "6"
    & skf21("1","5","2","7","3","5","3","1") = "6"
    & skf21("1","5","2","7","3","5","4","1") = "6"
    & skf21("1","5","2","7","3","5","5","1") = "6"
    & skf21("1","5","2","7","3","5","6","1") = "6"
    & skf21("1","5","2","7","3","5","7","1") = "6"
    & skf21("1","5","2","7","3","6","1","1") = "6"
    & skf21("1","5","2","7","3","6","2","1") = "6"
    & skf21("1","5","2","7","3","6","3","1") = "6"
    & skf21("1","5","2","7","3","6","4","1") = "6"
    & skf21("1","5","2","7","3","6","5","1") = "6"
    & skf21("1","5","2","7","3","6","6","1") = "6"
    & skf21("1","5","2","7","3","6","7","1") = "6"
    & skf21("1","5","2","7","3","7","1","1") = "6"
    & skf21("1","5","2","7","3","7","2","1") = "6"
    & skf21("1","5","2","7","3","7","3","1") = "6"
    & skf21("1","5","2","7","3","7","4","1") = "6"
    & skf21("1","5","2","7","3","7","5","1") = "6"
    & skf21("1","5","2","7","3","7","6","1") = "6"
    & skf21("1","5","2","7","3","7","7","1") = "6"
    & skf21("1","5","2","7","4","1","1","1") = "6"
    & skf21("1","5","2","7","4","1","2","1") = "6"
    & skf21("1","5","2","7","4","1","3","1") = "6"
    & skf21("1","5","2","7","4","1","4","1") = "6"
    & skf21("1","5","2","7","4","1","5","1") = "6"
    & skf21("1","5","2","7","4","1","6","1") = "6"
    & skf21("1","5","2","7","4","1","7","1") = "6"
    & skf21("1","5","2","7","4","2","1","1") = "6"
    & skf21("1","5","2","7","4","2","2","1") = "6"
    & skf21("1","5","2","7","4","2","3","1") = "6"
    & skf21("1","5","2","7","4","2","4","1") = "6"
    & skf21("1","5","2","7","4","2","5","1") = "6"
    & skf21("1","5","2","7","4","2","6","1") = "6"
    & skf21("1","5","2","7","4","2","7","1") = "6"
    & skf21("1","5","2","7","4","3","1","1") = "6"
    & skf21("1","5","2","7","4","3","2","1") = "6"
    & skf21("1","5","2","7","4","3","3","1") = "6"
    & skf21("1","5","2","7","4","3","4","1") = "6"
    & skf21("1","5","2","7","4","3","5","1") = "6"
    & skf21("1","5","2","7","4","3","6","1") = "6"
    & skf21("1","5","2","7","4","3","7","1") = "6"
    & skf21("1","5","2","7","4","4","1","1") = "6"
    & skf21("1","5","2","7","4","4","2","1") = "6"
    & skf21("1","5","2","7","4","4","3","1") = "6"
    & skf21("1","5","2","7","4","4","4","1") = "6"
    & skf21("1","5","2","7","4","4","5","1") = "6"
    & skf21("1","5","2","7","4","4","6","1") = "6"
    & skf21("1","5","2","7","4","4","7","1") = "6"
    & skf21("1","5","2","7","4","5","1","1") = "6"
    & skf21("1","5","2","7","4","5","2","1") = "6"
    & skf21("1","5","2","7","4","5","3","1") = "6"
    & skf21("1","5","2","7","4","5","4","1") = "6"
    & skf21("1","5","2","7","4","5","5","1") = "6"
    & skf21("1","5","2","7","4","5","6","1") = "6"
    & skf21("1","5","2","7","4","5","7","1") = "6"
    & skf21("1","5","2","7","4","6","1","1") = "6"
    & skf21("1","5","2","7","4","6","2","1") = "6"
    & skf21("1","5","2","7","4","6","3","1") = "6"
    & skf21("1","5","2","7","4","6","4","1") = "6"
    & skf21("1","5","2","7","4","6","5","1") = "6"
    & skf21("1","5","2","7","4","6","6","1") = "6"
    & skf21("1","5","2","7","4","6","7","1") = "6"
    & skf21("1","5","2","7","4","7","1","1") = "6"
    & skf21("1","5","2","7","4","7","2","1") = "6"
    & skf21("1","5","2","7","4","7","3","1") = "6"
    & skf21("1","5","2","7","4","7","4","1") = "6"
    & skf21("1","5","2","7","4","7","5","1") = "6"
    & skf21("1","5","2","7","4","7","6","1") = "6"
    & skf21("1","5","2","7","4","7","7","1") = "6"
    & skf21("1","5","2","7","5","1","1","1") = "6"
    & skf21("1","5","2","7","5","1","2","1") = "6"
    & skf21("1","5","2","7","5","1","3","1") = "6"
    & skf21("1","5","2","7","5","1","4","1") = "6"
    & skf21("1","5","2","7","5","1","5","1") = "6"
    & skf21("1","5","2","7","5","1","6","1") = "6"
    & skf21("1","5","2","7","5","1","7","1") = "6"
    & skf21("1","5","2","7","5","2","1","1") = "6"
    & skf21("1","5","2","7","5","2","2","1") = "6"
    & skf21("1","5","2","7","5","2","3","1") = "6"
    & skf21("1","5","2","7","5","2","4","1") = "6"
    & skf21("1","5","2","7","5","2","5","1") = "6"
    & skf21("1","5","2","7","5","2","6","1") = "6"
    & skf21("1","5","2","7","5","2","7","1") = "6"
    & skf21("1","5","2","7","5","3","1","1") = "6"
    & skf21("1","5","2","7","5","3","2","1") = "6"
    & skf21("1","5","2","7","5","3","3","1") = "6"
    & skf21("1","5","2","7","5","3","4","1") = "6"
    & skf21("1","5","2","7","5","3","5","1") = "6"
    & skf21("1","5","2","7","5","3","6","1") = "6"
    & skf21("1","5","2","7","5","3","7","1") = "6"
    & skf21("1","5","2","7","5","4","1","1") = "6"
    & skf21("1","5","2","7","5","4","2","1") = "6"
    & skf21("1","5","2","7","5","4","3","1") = "6"
    & skf21("1","5","2","7","5","4","4","1") = "6"
    & skf21("1","5","2","7","5","4","5","1") = "6"
    & skf21("1","5","2","7","5","4","6","1") = "6"
    & skf21("1","5","2","7","5","4","7","1") = "6"
    & skf21("1","5","2","7","5","5","1","1") = "6"
    & skf21("1","5","2","7","5","5","2","1") = "6"
    & skf21("1","5","2","7","5","5","3","1") = "6"
    & skf21("1","5","2","7","5","5","4","1") = "6"
    & skf21("1","5","2","7","5","5","5","1") = "6"
    & skf21("1","5","2","7","5","5","6","1") = "6"
    & skf21("1","5","2","7","5","5","7","1") = "6"
    & skf21("1","5","2","7","5","6","1","1") = "6"
    & skf21("1","5","2","7","5","6","2","1") = "6"
    & skf21("1","5","2","7","5","6","3","1") = "6"
    & skf21("1","5","2","7","5","6","4","1") = "6"
    & skf21("1","5","2","7","5","6","5","1") = "6"
    & skf21("1","5","2","7","5","6","6","1") = "6"
    & skf21("1","5","2","7","5","6","7","1") = "6"
    & skf21("1","5","2","7","5","7","1","1") = "6"
    & skf21("1","5","2","7","5","7","2","1") = "6"
    & skf21("1","5","2","7","5","7","3","1") = "6"
    & skf21("1","5","2","7","5","7","4","1") = "6"
    & skf21("1","5","2","7","5","7","5","1") = "6"
    & skf21("1","5","2","7","5","7","6","1") = "6"
    & skf21("1","5","2","7","5","7","7","1") = "6"
    & skf21("1","5","2","7","6","1","1","1") = "6"
    & skf21("1","5","2","7","6","1","2","1") = "6"
    & skf21("1","5","2","7","6","1","3","1") = "6"
    & skf21("1","5","2","7","6","1","4","1") = "6"
    & skf21("1","5","2","7","6","1","5","1") = "6"
    & skf21("1","5","2","7","6","1","6","1") = "6"
    & skf21("1","5","2","7","6","1","7","1") = "6"
    & skf21("1","5","2","7","6","2","1","1") = "6"
    & skf21("1","5","2","7","6","2","2","1") = "6"
    & skf21("1","5","2","7","6","2","3","1") = "6"
    & skf21("1","5","2","7","6","2","4","1") = "6"
    & skf21("1","5","2","7","6","2","5","1") = "6"
    & skf21("1","5","2","7","6","2","6","1") = "6"
    & skf21("1","5","2","7","6","2","7","1") = "6"
    & skf21("1","5","2","7","6","3","1","1") = "6"
    & skf21("1","5","2","7","6","3","2","1") = "6"
    & skf21("1","5","2","7","6","3","3","1") = "6"
    & skf21("1","5","2","7","6","3","4","1") = "6"
    & skf21("1","5","2","7","6","3","5","1") = "6"
    & skf21("1","5","2","7","6","3","6","1") = "6"
    & skf21("1","5","2","7","6","3","7","1") = "6"
    & skf21("1","5","2","7","6","4","1","1") = "6"
    & skf21("1","5","2","7","6","4","2","1") = "6"
    & skf21("1","5","2","7","6","4","3","1") = "6"
    & skf21("1","5","2","7","6","4","4","1") = "6"
    & skf21("1","5","2","7","6","4","5","1") = "6"
    & skf21("1","5","2","7","6","4","6","1") = "6"
    & skf21("1","5","2","7","6","4","7","1") = "6"
    & skf21("1","5","2","7","6","5","1","1") = "6"
    & skf21("1","5","2","7","6","5","2","1") = "6"
    & skf21("1","5","2","7","6","5","3","1") = "6"
    & skf21("1","5","2","7","6","5","4","1") = "6"
    & skf21("1","5","2","7","6","5","5","1") = "6"
    & skf21("1","5","2","7","6","5","6","1") = "6"
    & skf21("1","5","2","7","6","5","7","1") = "6"
    & skf21("1","5","2","7","6","6","1","1") = "6"
    & skf21("1","5","2","7","6","6","2","1") = "6"
    & skf21("1","5","2","7","6","6","3","1") = "6"
    & skf21("1","5","2","7","6","6","4","1") = "6"
    & skf21("1","5","2","7","6","6","5","1") = "6"
    & skf21("1","5","2","7","6","6","6","1") = "6"
    & skf21("1","5","2","7","6","6","7","1") = "6"
    & skf21("1","5","2","7","6","7","1","1") = "6"
    & skf21("1","5","2","7","6","7","2","1") = "6"
    & skf21("1","5","2","7","6","7","3","1") = "6"
    & skf21("1","5","2","7","6","7","4","1") = "6"
    & skf21("1","5","2","7","6","7","5","1") = "6"
    & skf21("1","5","2","7","6","7","6","1") = "6"
    & skf21("1","5","2","7","6","7","7","1") = "6"
    & skf21("1","5","2","7","7","1","1","1") = "6"
    & skf21("1","5","2","7","7","1","2","1") = "6"
    & skf21("1","5","2","7","7","1","3","1") = "6"
    & skf21("1","5","2","7","7","1","4","1") = "6"
    & skf21("1","5","2","7","7","1","5","1") = "6"
    & skf21("1","5","2","7","7","1","6","1") = "6"
    & skf21("1","5","2","7","7","1","7","1") = "6"
    & skf21("1","5","2","7","7","2","1","1") = "6"
    & skf21("1","5","2","7","7","2","2","1") = "6"
    & skf21("1","5","2","7","7","2","3","1") = "6"
    & skf21("1","5","2","7","7","2","4","1") = "6"
    & skf21("1","5","2","7","7","2","5","1") = "6"
    & skf21("1","5","2","7","7","2","6","1") = "6"
    & skf21("1","5","2","7","7","2","7","1") = "6"
    & skf21("1","5","2","7","7","3","1","1") = "6"
    & skf21("1","5","2","7","7","3","2","1") = "6"
    & skf21("1","5","2","7","7","3","3","1") = "6"
    & skf21("1","5","2","7","7","3","4","1") = "6"
    & skf21("1","5","2","7","7","3","5","1") = "6"
    & skf21("1","5","2","7","7","3","6","1") = "6"
    & skf21("1","5","2","7","7","3","7","1") = "6"
    & skf21("1","5","2","7","7","4","1","1") = "6"
    & skf21("1","5","2","7","7","4","2","1") = "6"
    & skf21("1","5","2","7","7","4","3","1") = "6"
    & skf21("1","5","2","7","7","4","4","1") = "6"
    & skf21("1","5","2","7","7","4","5","1") = "6"
    & skf21("1","5","2","7","7","4","6","1") = "6"
    & skf21("1","5","2","7","7","4","7","1") = "6"
    & skf21("1","5","2","7","7","5","1","1") = "6"
    & skf21("1","5","2","7","7","5","2","1") = "6"
    & skf21("1","5","2","7","7","5","3","1") = "6"
    & skf21("1","5","2","7","7","5","4","1") = "6"
    & skf21("1","5","2","7","7","5","5","1") = "6"
    & skf21("1","5","2","7","7","5","6","1") = "6"
    & skf21("1","5","2","7","7","5","7","1") = "6"
    & skf21("1","5","2","7","7","6","1","1") = "6"
    & skf21("1","5","2","7","7","6","2","1") = "6"
    & skf21("1","5","2","7","7","6","3","1") = "6"
    & skf21("1","5","2","7","7","6","4","1") = "6"
    & skf21("1","5","2","7","7","6","5","1") = "6"
    & skf21("1","5","2","7","7","6","6","1") = "6"
    & skf21("1","5","2","7","7","6","7","1") = "6"
    & skf21("1","5","2","7","7","7","1","1") = "6"
    & skf21("1","5","2","7","7","7","2","1") = "6"
    & skf21("1","5","2","7","7","7","3","1") = "6"
    & skf21("1","5","2","7","7","7","4","1") = "6"
    & skf21("1","5","2","7","7","7","5","1") = "6"
    & skf21("1","5","2","7","7","7","6","1") = "6"
    & skf21("1","5","2","7","7","7","7","1") = "6"
    & skf21("1","5","3","1","1","1","1","1") = "4"
    & skf21("1","5","3","1","1","1","2","1") = "4"
    & skf21("1","5","3","1","1","1","3","1") = "4"
    & skf21("1","5","3","1","1","1","4","1") = "4"
    & skf21("1","5","3","1","1","1","5","1") = "4"
    & skf21("1","5","3","1","1","1","6","1") = "5"
    & skf21("1","5","3","1","1","1","7","1") = "6"
    & skf21("1","5","3","1","1","2","1","1") = "4"
    & skf21("1","5","3","1","1","2","2","1") = "4"
    & skf21("1","5","3","1","1","2","3","1") = "4"
    & skf21("1","5","3","1","1","2","4","1") = "4"
    & skf21("1","5","3","1","1","2","5","1") = "4"
    & skf21("1","5","3","1","1","2","6","1") = "5"
    & skf21("1","5","3","1","1","2","7","1") = "6"
    & skf21("1","5","3","1","1","3","1","1") = "4"
    & skf21("1","5","3","1","1","3","2","1") = "4"
    & skf21("1","5","3","1","1","3","3","1") = "4"
    & skf21("1","5","3","1","1","3","4","1") = "4"
    & skf21("1","5","3","1","1","3","5","1") = "4"
    & skf21("1","5","3","1","1","3","6","1") = "5"
    & skf21("1","5","3","1","1","3","7","1") = "6"
    & skf21("1","5","3","1","1","4","1","1") = "4"
    & skf21("1","5","3","1","1","4","2","1") = "4"
    & skf21("1","5","3","1","1","4","3","1") = "4"
    & skf21("1","5","3","1","1","4","4","1") = "4"
    & skf21("1","5","3","1","1","4","5","1") = "4"
    & skf21("1","5","3","1","1","4","6","1") = "5"
    & skf21("1","5","3","1","1","4","7","1") = "6"
    & skf21("1","5","3","1","1","5","1","1") = "4"
    & skf21("1","5","3","1","1","5","2","1") = "4"
    & skf21("1","5","3","1","1","5","3","1") = "4"
    & skf21("1","5","3","1","1","5","4","1") = "4"
    & skf21("1","5","3","1","1","5","5","1") = "4"
    & skf21("1","5","3","1","1","5","6","1") = "5"
    & skf21("1","5","3","1","1","5","7","1") = "6"
    & skf21("1","5","3","1","1","6","1","1") = "5"
    & skf21("1","5","3","1","1","6","2","1") = "5"
    & skf21("1","5","3","1","1","6","3","1") = "5"
    & skf21("1","5","3","1","1","6","4","1") = "5"
    & skf21("1","5","3","1","1","6","5","1") = "5"
    & skf21("1","5","3","1","1","6","6","1") = "5"
    & skf21("1","5","3","1","1","6","7","1") = "6"
    & skf21("1","5","3","1","1","7","1","1") = "6"
    & skf21("1","5","3","1","1","7","2","1") = "6"
    & skf21("1","5","3","1","1","7","3","1") = "6"
    & skf21("1","5","3","1","1","7","4","1") = "6"
    & skf21("1","5","3","1","1","7","5","1") = "6"
    & skf21("1","5","3","1","1","7","6","1") = "6"
    & skf21("1","5","3","1","1","7","7","1") = "6"
    & skf21("1","5","3","1","2","1","1","1") = "4"
    & skf21("1","5","3","1","2","1","2","1") = "4"
    & skf21("1","5","3","1","2","1","3","1") = "4"
    & skf21("1","5","3","1","2","1","4","1") = "4"
    & skf21("1","5","3","1","2","1","5","1") = "4"
    & skf21("1","5","3","1","2","1","6","1") = "5"
    & skf21("1","5","3","1","2","1","7","1") = "6"
    & skf21("1","5","3","1","2","2","1","1") = "4"
    & skf21("1","5","3","1","2","2","2","1") = "4"
    & skf21("1","5","3","1","2","2","3","1") = "4"
    & skf21("1","5","3","1","2","2","4","1") = "4"
    & skf21("1","5","3","1","2","2","5","1") = "4"
    & skf21("1","5","3","1","2","2","6","1") = "5"
    & skf21("1","5","3","1","2","2","7","1") = "6"
    & skf21("1","5","3","1","2","3","1","1") = "4"
    & skf21("1","5","3","1","2","3","2","1") = "4"
    & skf21("1","5","3","1","2","3","3","1") = "4"
    & skf21("1","5","3","1","2","3","4","1") = "4"
    & skf21("1","5","3","1","2","3","5","1") = "4"
    & skf21("1","5","3","1","2","3","6","1") = "5"
    & skf21("1","5","3","1","2","3","7","1") = "6"
    & skf21("1","5","3","1","2","4","1","1") = "4"
    & skf21("1","5","3","1","2","4","2","1") = "4"
    & skf21("1","5","3","1","2","4","3","1") = "4"
    & skf21("1","5","3","1","2","4","4","1") = "4"
    & skf21("1","5","3","1","2","4","5","1") = "4"
    & skf21("1","5","3","1","2","4","6","1") = "5"
    & skf21("1","5","3","1","2","4","7","1") = "6"
    & skf21("1","5","3","1","2","5","1","1") = "4"
    & skf21("1","5","3","1","2","5","2","1") = "4"
    & skf21("1","5","3","1","2","5","3","1") = "4"
    & skf21("1","5","3","1","2","5","4","1") = "4"
    & skf21("1","5","3","1","2","5","5","1") = "4"
    & skf21("1","5","3","1","2","5","6","1") = "5"
    & skf21("1","5","3","1","2","5","7","1") = "6"
    & skf21("1","5","3","1","2","6","1","1") = "5"
    & skf21("1","5","3","1","2","6","2","1") = "5"
    & skf21("1","5","3","1","2","6","3","1") = "5"
    & skf21("1","5","3","1","2","6","4","1") = "5"
    & skf21("1","5","3","1","2","6","5","1") = "5"
    & skf21("1","5","3","1","2","6","6","1") = "5"
    & skf21("1","5","3","1","2","6","7","1") = "6"
    & skf21("1","5","3","1","2","7","1","1") = "6"
    & skf21("1","5","3","1","2","7","2","1") = "6"
    & skf21("1","5","3","1","2","7","3","1") = "6"
    & skf21("1","5","3","1","2","7","4","1") = "6"
    & skf21("1","5","3","1","2","7","5","1") = "6"
    & skf21("1","5","3","1","2","7","6","1") = "6"
    & skf21("1","5","3","1","2","7","7","1") = "6"
    & skf21("1","5","3","1","3","1","1","1") = "4"
    & skf21("1","5","3","1","3","1","2","1") = "4"
    & skf21("1","5","3","1","3","1","3","1") = "4"
    & skf21("1","5","3","1","3","1","4","1") = "4"
    & skf21("1","5","3","1","3","1","5","1") = "4"
    & skf21("1","5","3","1","3","1","6","1") = "5"
    & skf21("1","5","3","1","3","1","7","1") = "6"
    & skf21("1","5","3","1","3","2","1","1") = "4"
    & skf21("1","5","3","1","3","2","2","1") = "4"
    & skf21("1","5","3","1","3","2","3","1") = "4"
    & skf21("1","5","3","1","3","2","4","1") = "4"
    & skf21("1","5","3","1","3","2","5","1") = "4"
    & skf21("1","5","3","1","3","2","6","1") = "5"
    & skf21("1","5","3","1","3","2","7","1") = "6"
    & skf21("1","5","3","1","3","3","1","1") = "4"
    & skf21("1","5","3","1","3","3","2","1") = "4"
    & skf21("1","5","3","1","3","3","3","1") = "4"
    & skf21("1","5","3","1","3","3","4","1") = "4"
    & skf21("1","5","3","1","3","3","5","1") = "4"
    & skf21("1","5","3","1","3","3","6","1") = "5"
    & skf21("1","5","3","1","3","3","7","1") = "6"
    & skf21("1","5","3","1","3","4","1","1") = "4"
    & skf21("1","5","3","1","3","4","2","1") = "4"
    & skf21("1","5","3","1","3","4","3","1") = "4"
    & skf21("1","5","3","1","3","4","4","1") = "4"
    & skf21("1","5","3","1","3","4","5","1") = "4"
    & skf21("1","5","3","1","3","4","6","1") = "5"
    & skf21("1","5","3","1","3","4","7","1") = "6"
    & skf21("1","5","3","1","3","5","1","1") = "4"
    & skf21("1","5","3","1","3","5","2","1") = "4"
    & skf21("1","5","3","1","3","5","3","1") = "4"
    & skf21("1","5","3","1","3","5","4","1") = "4"
    & skf21("1","5","3","1","3","5","5","1") = "4"
    & skf21("1","5","3","1","3","5","6","1") = "5"
    & skf21("1","5","3","1","3","5","7","1") = "6"
    & skf21("1","5","3","1","3","6","1","1") = "5"
    & skf21("1","5","3","1","3","6","2","1") = "5"
    & skf21("1","5","3","1","3","6","3","1") = "5"
    & skf21("1","5","3","1","3","6","4","1") = "5"
    & skf21("1","5","3","1","3","6","5","1") = "5"
    & skf21("1","5","3","1","3","6","6","1") = "5"
    & skf21("1","5","3","1","3","6","7","1") = "6"
    & skf21("1","5","3","1","3","7","1","1") = "6"
    & skf21("1","5","3","1","3","7","2","1") = "6"
    & skf21("1","5","3","1","3","7","3","1") = "6"
    & skf21("1","5","3","1","3","7","4","1") = "6"
    & skf21("1","5","3","1","3","7","5","1") = "6"
    & skf21("1","5","3","1","3","7","6","1") = "6"
    & skf21("1","5","3","1","3","7","7","1") = "6"
    & skf21("1","5","3","1","4","1","1","1") = "4"
    & skf21("1","5","3","1","4","1","2","1") = "4"
    & skf21("1","5","3","1","4","1","3","1") = "4"
    & skf21("1","5","3","1","4","1","4","1") = "4"
    & skf21("1","5","3","1","4","1","5","1") = "4"
    & skf21("1","5","3","1","4","1","6","1") = "5"
    & skf21("1","5","3","1","4","1","7","1") = "6"
    & skf21("1","5","3","1","4","2","1","1") = "4"
    & skf21("1","5","3","1","4","2","2","1") = "4"
    & skf21("1","5","3","1","4","2","3","1") = "4"
    & skf21("1","5","3","1","4","2","4","1") = "4"
    & skf21("1","5","3","1","4","2","5","1") = "4"
    & skf21("1","5","3","1","4","2","6","1") = "5"
    & skf21("1","5","3","1","4","2","7","1") = "6"
    & skf21("1","5","3","1","4","3","1","1") = "4"
    & skf21("1","5","3","1","4","3","2","1") = "4"
    & skf21("1","5","3","1","4","3","3","1") = "4"
    & skf21("1","5","3","1","4","3","4","1") = "4"
    & skf21("1","5","3","1","4","3","5","1") = "4"
    & skf21("1","5","3","1","4","3","6","1") = "5"
    & skf21("1","5","3","1","4","3","7","1") = "6"
    & skf21("1","5","3","1","4","4","1","1") = "4"
    & skf21("1","5","3","1","4","4","2","1") = "4"
    & skf21("1","5","3","1","4","4","3","1") = "4"
    & skf21("1","5","3","1","4","4","4","1") = "4"
    & skf21("1","5","3","1","4","4","5","1") = "4"
    & skf21("1","5","3","1","4","4","6","1") = "5"
    & skf21("1","5","3","1","4","4","7","1") = "6"
    & skf21("1","5","3","1","4","5","1","1") = "4"
    & skf21("1","5","3","1","4","5","2","1") = "4"
    & skf21("1","5","3","1","4","5","3","1") = "4"
    & skf21("1","5","3","1","4","5","4","1") = "4"
    & skf21("1","5","3","1","4","5","5","1") = "4"
    & skf21("1","5","3","1","4","5","6","1") = "5"
    & skf21("1","5","3","1","4","5","7","1") = "6"
    & skf21("1","5","3","1","4","6","1","1") = "5"
    & skf21("1","5","3","1","4","6","2","1") = "5"
    & skf21("1","5","3","1","4","6","3","1") = "5"
    & skf21("1","5","3","1","4","6","4","1") = "5"
    & skf21("1","5","3","1","4","6","5","1") = "5"
    & skf21("1","5","3","1","4","6","6","1") = "5"
    & skf21("1","5","3","1","4","6","7","1") = "6"
    & skf21("1","5","3","1","4","7","1","1") = "6"
    & skf21("1","5","3","1","4","7","2","1") = "6"
    & skf21("1","5","3","1","4","7","3","1") = "6"
    & skf21("1","5","3","1","4","7","4","1") = "6"
    & skf21("1","5","3","1","4","7","5","1") = "6"
    & skf21("1","5","3","1","4","7","6","1") = "6"
    & skf21("1","5","3","1","4","7","7","1") = "6"
    & skf21("1","5","3","1","5","1","1","1") = "4"
    & skf21("1","5","3","1","5","1","2","1") = "4"
    & skf21("1","5","3","1","5","1","3","1") = "4"
    & skf21("1","5","3","1","5","1","4","1") = "4"
    & skf21("1","5","3","1","5","1","5","1") = "4"
    & skf21("1","5","3","1","5","1","6","1") = "5"
    & skf21("1","5","3","1","5","1","7","1") = "6"
    & skf21("1","5","3","1","5","2","1","1") = "4"
    & skf21("1","5","3","1","5","2","2","1") = "4"
    & skf21("1","5","3","1","5","2","3","1") = "4"
    & skf21("1","5","3","1","5","2","4","1") = "4"
    & skf21("1","5","3","1","5","2","5","1") = "4"
    & skf21("1","5","3","1","5","2","6","1") = "5"
    & skf21("1","5","3","1","5","2","7","1") = "6"
    & skf21("1","5","3","1","5","3","1","1") = "4"
    & skf21("1","5","3","1","5","3","2","1") = "4"
    & skf21("1","5","3","1","5","3","3","1") = "4"
    & skf21("1","5","3","1","5","3","4","1") = "4"
    & skf21("1","5","3","1","5","3","5","1") = "4"
    & skf21("1","5","3","1","5","3","6","1") = "5"
    & skf21("1","5","3","1","5","3","7","1") = "6"
    & skf21("1","5","3","1","5","4","1","1") = "4"
    & skf21("1","5","3","1","5","4","2","1") = "4"
    & skf21("1","5","3","1","5","4","3","1") = "4"
    & skf21("1","5","3","1","5","4","4","1") = "4"
    & skf21("1","5","3","1","5","4","5","1") = "4"
    & skf21("1","5","3","1","5","4","6","1") = "5"
    & skf21("1","5","3","1","5","4","7","1") = "6"
    & skf21("1","5","3","1","5","5","1","1") = "4"
    & skf21("1","5","3","1","5","5","2","1") = "4"
    & skf21("1","5","3","1","5","5","3","1") = "4"
    & skf21("1","5","3","1","5","5","4","1") = "4"
    & skf21("1","5","3","1","5","5","5","1") = "4"
    & skf21("1","5","3","1","5","5","6","1") = "5"
    & skf21("1","5","3","1","5","5","7","1") = "6"
    & skf21("1","5","3","1","5","6","1","1") = "5"
    & skf21("1","5","3","1","5","6","2","1") = "5"
    & skf21("1","5","3","1","5","6","3","1") = "5"
    & skf21("1","5","3","1","5","6","4","1") = "5"
    & skf21("1","5","3","1","5","6","5","1") = "5"
    & skf21("1","5","3","1","5","6","6","1") = "5"
    & skf21("1","5","3","1","5","6","7","1") = "6"
    & skf21("1","5","3","1","5","7","1","1") = "6"
    & skf21("1","5","3","1","5","7","2","1") = "6"
    & skf21("1","5","3","1","5","7","3","1") = "6"
    & skf21("1","5","3","1","5","7","4","1") = "6"
    & skf21("1","5","3","1","5","7","5","1") = "6"
    & skf21("1","5","3","1","5","7","6","1") = "6"
    & skf21("1","5","3","1","5","7","7","1") = "6"
    & skf21("1","5","3","1","6","1","1","1") = "5"
    & skf21("1","5","3","1","6","1","2","1") = "5"
    & skf21("1","5","3","1","6","1","3","1") = "5"
    & skf21("1","5","3","1","6","1","4","1") = "5"
    & skf21("1","5","3","1","6","1","5","1") = "5"
    & skf21("1","5","3","1","6","1","6","1") = "5"
    & skf21("1","5","3","1","6","1","7","1") = "6"
    & skf21("1","5","3","1","6","2","1","1") = "5"
    & skf21("1","5","3","1","6","2","2","1") = "5"
    & skf21("1","5","3","1","6","2","3","1") = "5"
    & skf21("1","5","3","1","6","2","4","1") = "5"
    & skf21("1","5","3","1","6","2","5","1") = "5"
    & skf21("1","5","3","1","6","2","6","1") = "5"
    & skf21("1","5","3","1","6","2","7","1") = "6"
    & skf21("1","5","3","1","6","3","1","1") = "5"
    & skf21("1","5","3","1","6","3","2","1") = "5"
    & skf21("1","5","3","1","6","3","3","1") = "5"
    & skf21("1","5","3","1","6","3","4","1") = "5"
    & skf21("1","5","3","1","6","3","5","1") = "5"
    & skf21("1","5","3","1","6","3","6","1") = "5"
    & skf21("1","5","3","1","6","3","7","1") = "6"
    & skf21("1","5","3","1","6","4","1","1") = "5"
    & skf21("1","5","3","1","6","4","2","1") = "5"
    & skf21("1","5","3","1","6","4","3","1") = "5"
    & skf21("1","5","3","1","6","4","4","1") = "5"
    & skf21("1","5","3","1","6","4","5","1") = "5"
    & skf21("1","5","3","1","6","4","6","1") = "5"
    & skf21("1","5","3","1","6","4","7","1") = "6"
    & skf21("1","5","3","1","6","5","1","1") = "5"
    & skf21("1","5","3","1","6","5","2","1") = "5"
    & skf21("1","5","3","1","6","5","3","1") = "5"
    & skf21("1","5","3","1","6","5","4","1") = "5"
    & skf21("1","5","3","1","6","5","5","1") = "5"
    & skf21("1","5","3","1","6","5","6","1") = "5"
    & skf21("1","5","3","1","6","5","7","1") = "6"
    & skf21("1","5","3","1","6","6","1","1") = "5"
    & skf21("1","5","3","1","6","6","2","1") = "5"
    & skf21("1","5","3","1","6","6","3","1") = "5"
    & skf21("1","5","3","1","6","6","4","1") = "5"
    & skf21("1","5","3","1","6","6","5","1") = "5"
    & skf21("1","5","3","1","6","6","6","1") = "5"
    & skf21("1","5","3","1","6","6","7","1") = "6"
    & skf21("1","5","3","1","6","7","1","1") = "6"
    & skf21("1","5","3","1","6","7","2","1") = "6"
    & skf21("1","5","3","1","6","7","3","1") = "6"
    & skf21("1","5","3","1","6","7","4","1") = "6"
    & skf21("1","5","3","1","6","7","5","1") = "6"
    & skf21("1","5","3","1","6","7","6","1") = "6"
    & skf21("1","5","3","1","6","7","7","1") = "6"
    & skf21("1","5","3","1","7","1","1","1") = "6"
    & skf21("1","5","3","1","7","1","2","1") = "6"
    & skf21("1","5","3","1","7","1","3","1") = "6"
    & skf21("1","5","3","1","7","1","4","1") = "6"
    & skf21("1","5","3","1","7","1","5","1") = "6"
    & skf21("1","5","3","1","7","1","6","1") = "6"
    & skf21("1","5","3","1","7","1","7","1") = "6"
    & skf21("1","5","3","1","7","2","1","1") = "6"
    & skf21("1","5","3","1","7","2","2","1") = "6"
    & skf21("1","5","3","1","7","2","3","1") = "6"
    & skf21("1","5","3","1","7","2","4","1") = "6"
    & skf21("1","5","3","1","7","2","5","1") = "6"
    & skf21("1","5","3","1","7","2","6","1") = "6"
    & skf21("1","5","3","1","7","2","7","1") = "6"
    & skf21("1","5","3","1","7","3","1","1") = "6"
    & skf21("1","5","3","1","7","3","2","1") = "6"
    & skf21("1","5","3","1","7","3","3","1") = "6"
    & skf21("1","5","3","1","7","3","4","1") = "6"
    & skf21("1","5","3","1","7","3","5","1") = "6"
    & skf21("1","5","3","1","7","3","6","1") = "6"
    & skf21("1","5","3","1","7","3","7","1") = "6"
    & skf21("1","5","3","1","7","4","1","1") = "6"
    & skf21("1","5","3","1","7","4","2","1") = "6"
    & skf21("1","5","3","1","7","4","3","1") = "6"
    & skf21("1","5","3","1","7","4","4","1") = "6"
    & skf21("1","5","3","1","7","4","5","1") = "6"
    & skf21("1","5","3","1","7","4","6","1") = "6"
    & skf21("1","5","3","1","7","4","7","1") = "6"
    & skf21("1","5","3","1","7","5","1","1") = "6"
    & skf21("1","5","3","1","7","5","2","1") = "6"
    & skf21("1","5","3","1","7","5","3","1") = "6"
    & skf21("1","5","3","1","7","5","4","1") = "6"
    & skf21("1","5","3","1","7","5","5","1") = "6"
    & skf21("1","5","3","1","7","5","6","1") = "6"
    & skf21("1","5","3","1","7","5","7","1") = "6"
    & skf21("1","5","3","1","7","6","1","1") = "6"
    & skf21("1","5","3","1","7","6","2","1") = "6"
    & skf21("1","5","3","1","7","6","3","1") = "6"
    & skf21("1","5","3","1","7","6","4","1") = "6"
    & skf21("1","5","3","1","7","6","5","1") = "6"
    & skf21("1","5","3","1","7","6","6","1") = "6"
    & skf21("1","5","3","1","7","6","7","1") = "6"
    & skf21("1","5","3","1","7","7","1","1") = "6"
    & skf21("1","5","3","1","7","7","2","1") = "6"
    & skf21("1","5","3","1","7","7","3","1") = "6"
    & skf21("1","5","3","1","7","7","4","1") = "6"
    & skf21("1","5","3","1","7","7","5","1") = "6"
    & skf21("1","5","3","1","7","7","6","1") = "6"
    & skf21("1","5","3","1","7","7","7","1") = "6"
    & skf21("1","5","3","2","1","1","1","1") = "4"
    & skf21("1","5","3","2","1","1","2","1") = "4"
    & skf21("1","5","3","2","1","1","3","1") = "4"
    & skf21("1","5","3","2","1","1","4","1") = "4"
    & skf21("1","5","3","2","1","1","5","1") = "4"
    & skf21("1","5","3","2","1","1","6","1") = "5"
    & skf21("1","5","3","2","1","1","7","1") = "6"
    & skf21("1","5","3","2","1","2","1","1") = "4"
    & skf21("1","5","3","2","1","2","2","1") = "4"
    & skf21("1","5","3","2","1","2","3","1") = "4"
    & skf21("1","5","3","2","1","2","4","1") = "4"
    & skf21("1","5","3","2","1","2","5","1") = "4"
    & skf21("1","5","3","2","1","2","6","1") = "5"
    & skf21("1","5","3","2","1","2","7","1") = "6"
    & skf21("1","5","3","2","1","3","1","1") = "4"
    & skf21("1","5","3","2","1","3","2","1") = "4"
    & skf21("1","5","3","2","1","3","3","1") = "4"
    & skf21("1","5","3","2","1","3","4","1") = "4"
    & skf21("1","5","3","2","1","3","5","1") = "4"
    & skf21("1","5","3","2","1","3","6","1") = "5"
    & skf21("1","5","3","2","1","3","7","1") = "6"
    & skf21("1","5","3","2","1","4","1","1") = "4"
    & skf21("1","5","3","2","1","4","2","1") = "4"
    & skf21("1","5","3","2","1","4","3","1") = "4"
    & skf21("1","5","3","2","1","4","4","1") = "4"
    & skf21("1","5","3","2","1","4","5","1") = "4"
    & skf21("1","5","3","2","1","4","6","1") = "5"
    & skf21("1","5","3","2","1","4","7","1") = "6"
    & skf21("1","5","3","2","1","5","1","1") = "4"
    & skf21("1","5","3","2","1","5","2","1") = "4"
    & skf21("1","5","3","2","1","5","3","1") = "4"
    & skf21("1","5","3","2","1","5","4","1") = "4"
    & skf21("1","5","3","2","1","5","5","1") = "4"
    & skf21("1","5","3","2","1","5","6","1") = "5"
    & skf21("1","5","3","2","1","5","7","1") = "6"
    & skf21("1","5","3","2","1","6","1","1") = "5"
    & skf21("1","5","3","2","1","6","2","1") = "5"
    & skf21("1","5","3","2","1","6","3","1") = "5"
    & skf21("1","5","3","2","1","6","4","1") = "5"
    & skf21("1","5","3","2","1","6","5","1") = "5"
    & skf21("1","5","3","2","1","6","6","1") = "5"
    & skf21("1","5","3","2","1","6","7","1") = "6"
    & skf21("1","5","3","2","1","7","1","1") = "6"
    & skf21("1","5","3","2","1","7","2","1") = "6"
    & skf21("1","5","3","2","1","7","3","1") = "6"
    & skf21("1","5","3","2","1","7","4","1") = "6"
    & skf21("1","5","3","2","1","7","5","1") = "6"
    & skf21("1","5","3","2","1","7","6","1") = "6"
    & skf21("1","5","3","2","1","7","7","1") = "6"
    & skf21("1","5","3","2","2","1","1","1") = "4"
    & skf21("1","5","3","2","2","1","2","1") = "4"
    & skf21("1","5","3","2","2","1","3","1") = "4"
    & skf21("1","5","3","2","2","1","4","1") = "4"
    & skf21("1","5","3","2","2","1","5","1") = "4"
    & skf21("1","5","3","2","2","1","6","1") = "5"
    & skf21("1","5","3","2","2","1","7","1") = "6"
    & skf21("1","5","3","2","2","2","1","1") = "4"
    & skf21("1","5","3","2","2","2","2","1") = "4"
    & skf21("1","5","3","2","2","2","3","1") = "4"
    & skf21("1","5","3","2","2","2","4","1") = "4"
    & skf21("1","5","3","2","2","2","5","1") = "4"
    & skf21("1","5","3","2","2","2","6","1") = "5"
    & skf21("1","5","3","2","2","2","7","1") = "6"
    & skf21("1","5","3","2","2","3","1","1") = "4"
    & skf21("1","5","3","2","2","3","2","1") = "4"
    & skf21("1","5","3","2","2","3","3","1") = "4"
    & skf21("1","5","3","2","2","3","4","1") = "4"
    & skf21("1","5","3","2","2","3","5","1") = "4"
    & skf21("1","5","3","2","2","3","6","1") = "5"
    & skf21("1","5","3","2","2","3","7","1") = "6"
    & skf21("1","5","3","2","2","4","1","1") = "4"
    & skf21("1","5","3","2","2","4","2","1") = "4"
    & skf21("1","5","3","2","2","4","3","1") = "4"
    & skf21("1","5","3","2","2","4","4","1") = "4"
    & skf21("1","5","3","2","2","4","5","1") = "4"
    & skf21("1","5","3","2","2","4","6","1") = "5"
    & skf21("1","5","3","2","2","4","7","1") = "6"
    & skf21("1","5","3","2","2","5","1","1") = "4"
    & skf21("1","5","3","2","2","5","2","1") = "4"
    & skf21("1","5","3","2","2","5","3","1") = "4"
    & skf21("1","5","3","2","2","5","4","1") = "4"
    & skf21("1","5","3","2","2","5","5","1") = "4"
    & skf21("1","5","3","2","2","5","6","1") = "5"
    & skf21("1","5","3","2","2","5","7","1") = "6"
    & skf21("1","5","3","2","2","6","1","1") = "5"
    & skf21("1","5","3","2","2","6","2","1") = "5"
    & skf21("1","5","3","2","2","6","3","1") = "5"
    & skf21("1","5","3","2","2","6","4","1") = "5"
    & skf21("1","5","3","2","2","6","5","1") = "5"
    & skf21("1","5","3","2","2","6","6","1") = "5"
    & skf21("1","5","3","2","2","6","7","1") = "6"
    & skf21("1","5","3","2","2","7","1","1") = "6"
    & skf21("1","5","3","2","2","7","2","1") = "6"
    & skf21("1","5","3","2","2","7","3","1") = "6"
    & skf21("1","5","3","2","2","7","4","1") = "6"
    & skf21("1","5","3","2","2","7","5","1") = "6"
    & skf21("1","5","3","2","2","7","6","1") = "6"
    & skf21("1","5","3","2","2","7","7","1") = "6"
    & skf21("1","5","3","2","3","1","1","1") = "4"
    & skf21("1","5","3","2","3","1","2","1") = "4"
    & skf21("1","5","3","2","3","1","3","1") = "4"
    & skf21("1","5","3","2","3","1","4","1") = "4"
    & skf21("1","5","3","2","3","1","5","1") = "4"
    & skf21("1","5","3","2","3","1","6","1") = "5"
    & skf21("1","5","3","2","3","1","7","1") = "6"
    & skf21("1","5","3","2","3","2","1","1") = "4"
    & skf21("1","5","3","2","3","2","2","1") = "4"
    & skf21("1","5","3","2","3","2","3","1") = "4"
    & skf21("1","5","3","2","3","2","4","1") = "4"
    & skf21("1","5","3","2","3","2","5","1") = "4"
    & skf21("1","5","3","2","3","2","6","1") = "5"
    & skf21("1","5","3","2","3","2","7","1") = "6"
    & skf21("1","5","3","2","3","3","1","1") = "4"
    & skf21("1","5","3","2","3","3","2","1") = "4"
    & skf21("1","5","3","2","3","3","3","1") = "4"
    & skf21("1","5","3","2","3","3","4","1") = "4"
    & skf21("1","5","3","2","3","3","5","1") = "4"
    & skf21("1","5","3","2","3","3","6","1") = "5"
    & skf21("1","5","3","2","3","3","7","1") = "6"
    & skf21("1","5","3","2","3","4","1","1") = "4"
    & skf21("1","5","3","2","3","4","2","1") = "4"
    & skf21("1","5","3","2","3","4","3","1") = "4"
    & skf21("1","5","3","2","3","4","4","1") = "4"
    & skf21("1","5","3","2","3","4","5","1") = "4"
    & skf21("1","5","3","2","3","4","6","1") = "5"
    & skf21("1","5","3","2","3","4","7","1") = "6"
    & skf21("1","5","3","2","3","5","1","1") = "4"
    & skf21("1","5","3","2","3","5","2","1") = "4"
    & skf21("1","5","3","2","3","5","3","1") = "4"
    & skf21("1","5","3","2","3","5","4","1") = "4"
    & skf21("1","5","3","2","3","5","5","1") = "4"
    & skf21("1","5","3","2","3","5","6","1") = "5"
    & skf21("1","5","3","2","3","5","7","1") = "6"
    & skf21("1","5","3","2","3","6","1","1") = "5"
    & skf21("1","5","3","2","3","6","2","1") = "5"
    & skf21("1","5","3","2","3","6","3","1") = "5"
    & skf21("1","5","3","2","3","6","4","1") = "5"
    & skf21("1","5","3","2","3","6","5","1") = "5"
    & skf21("1","5","3","2","3","6","6","1") = "5"
    & skf21("1","5","3","2","3","6","7","1") = "6"
    & skf21("1","5","3","2","3","7","1","1") = "6"
    & skf21("1","5","3","2","3","7","2","1") = "6"
    & skf21("1","5","3","2","3","7","3","1") = "6"
    & skf21("1","5","3","2","3","7","4","1") = "6"
    & skf21("1","5","3","2","3","7","5","1") = "6"
    & skf21("1","5","3","2","3","7","6","1") = "6"
    & skf21("1","5","3","2","3","7","7","1") = "6"
    & skf21("1","5","3","2","4","1","1","1") = "4"
    & skf21("1","5","3","2","4","1","2","1") = "4"
    & skf21("1","5","3","2","4","1","3","1") = "4"
    & skf21("1","5","3","2","4","1","4","1") = "4"
    & skf21("1","5","3","2","4","1","5","1") = "4"
    & skf21("1","5","3","2","4","1","6","1") = "5"
    & skf21("1","5","3","2","4","1","7","1") = "6"
    & skf21("1","5","3","2","4","2","1","1") = "4"
    & skf21("1","5","3","2","4","2","2","1") = "4"
    & skf21("1","5","3","2","4","2","3","1") = "4"
    & skf21("1","5","3","2","4","2","4","1") = "4"
    & skf21("1","5","3","2","4","2","5","1") = "4"
    & skf21("1","5","3","2","4","2","6","1") = "5"
    & skf21("1","5","3","2","4","2","7","1") = "6"
    & skf21("1","5","3","2","4","3","1","1") = "4"
    & skf21("1","5","3","2","4","3","2","1") = "4"
    & skf21("1","5","3","2","4","3","3","1") = "4"
    & skf21("1","5","3","2","4","3","4","1") = "4"
    & skf21("1","5","3","2","4","3","5","1") = "4"
    & skf21("1","5","3","2","4","3","6","1") = "5"
    & skf21("1","5","3","2","4","3","7","1") = "6"
    & skf21("1","5","3","2","4","4","1","1") = "4"
    & skf21("1","5","3","2","4","4","2","1") = "4"
    & skf21("1","5","3","2","4","4","3","1") = "4"
    & skf21("1","5","3","2","4","4","4","1") = "4"
    & skf21("1","5","3","2","4","4","5","1") = "4"
    & skf21("1","5","3","2","4","4","6","1") = "5"
    & skf21("1","5","3","2","4","4","7","1") = "6"
    & skf21("1","5","3","2","4","5","1","1") = "4"
    & skf21("1","5","3","2","4","5","2","1") = "4"
    & skf21("1","5","3","2","4","5","3","1") = "4"
    & skf21("1","5","3","2","4","5","4","1") = "4"
    & skf21("1","5","3","2","4","5","5","1") = "4"
    & skf21("1","5","3","2","4","5","6","1") = "5"
    & skf21("1","5","3","2","4","5","7","1") = "6"
    & skf21("1","5","3","2","4","6","1","1") = "5"
    & skf21("1","5","3","2","4","6","2","1") = "5"
    & skf21("1","5","3","2","4","6","3","1") = "5"
    & skf21("1","5","3","2","4","6","4","1") = "5"
    & skf21("1","5","3","2","4","6","5","1") = "5"
    & skf21("1","5","3","2","4","6","6","1") = "5"
    & skf21("1","5","3","2","4","6","7","1") = "6"
    & skf21("1","5","3","2","4","7","1","1") = "6"
    & skf21("1","5","3","2","4","7","2","1") = "6"
    & skf21("1","5","3","2","4","7","3","1") = "6"
    & skf21("1","5","3","2","4","7","4","1") = "6"
    & skf21("1","5","3","2","4","7","5","1") = "6"
    & skf21("1","5","3","2","4","7","6","1") = "6"
    & skf21("1","5","3","2","4","7","7","1") = "6"
    & skf21("1","5","3","2","5","1","1","1") = "4"
    & skf21("1","5","3","2","5","1","2","1") = "4"
    & skf21("1","5","3","2","5","1","3","1") = "4"
    & skf21("1","5","3","2","5","1","4","1") = "4"
    & skf21("1","5","3","2","5","1","5","1") = "4"
    & skf21("1","5","3","2","5","1","6","1") = "5"
    & skf21("1","5","3","2","5","1","7","1") = "6"
    & skf21("1","5","3","2","5","2","1","1") = "4"
    & skf21("1","5","3","2","5","2","2","1") = "4"
    & skf21("1","5","3","2","5","2","3","1") = "4"
    & skf21("1","5","3","2","5","2","4","1") = "4"
    & skf21("1","5","3","2","5","2","5","1") = "4"
    & skf21("1","5","3","2","5","2","6","1") = "5"
    & skf21("1","5","3","2","5","2","7","1") = "6"
    & skf21("1","5","3","2","5","3","1","1") = "4"
    & skf21("1","5","3","2","5","3","2","1") = "4"
    & skf21("1","5","3","2","5","3","3","1") = "4"
    & skf21("1","5","3","2","5","3","4","1") = "4"
    & skf21("1","5","3","2","5","3","5","1") = "4"
    & skf21("1","5","3","2","5","3","6","1") = "5"
    & skf21("1","5","3","2","5","3","7","1") = "6"
    & skf21("1","5","3","2","5","4","1","1") = "4"
    & skf21("1","5","3","2","5","4","2","1") = "4"
    & skf21("1","5","3","2","5","4","3","1") = "4"
    & skf21("1","5","3","2","5","4","4","1") = "4"
    & skf21("1","5","3","2","5","4","5","1") = "4"
    & skf21("1","5","3","2","5","4","6","1") = "5"
    & skf21("1","5","3","2","5","4","7","1") = "6"
    & skf21("1","5","3","2","5","5","1","1") = "4"
    & skf21("1","5","3","2","5","5","2","1") = "4"
    & skf21("1","5","3","2","5","5","3","1") = "4"
    & skf21("1","5","3","2","5","5","4","1") = "4"
    & skf21("1","5","3","2","5","5","5","1") = "4"
    & skf21("1","5","3","2","5","5","6","1") = "5"
    & skf21("1","5","3","2","5","5","7","1") = "6"
    & skf21("1","5","3","2","5","6","1","1") = "5"
    & skf21("1","5","3","2","5","6","2","1") = "5"
    & skf21("1","5","3","2","5","6","3","1") = "5"
    & skf21("1","5","3","2","5","6","4","1") = "5"
    & skf21("1","5","3","2","5","6","5","1") = "5"
    & skf21("1","5","3","2","5","6","6","1") = "5"
    & skf21("1","5","3","2","5","6","7","1") = "6"
    & skf21("1","5","3","2","5","7","1","1") = "6"
    & skf21("1","5","3","2","5","7","2","1") = "6"
    & skf21("1","5","3","2","5","7","3","1") = "6"
    & skf21("1","5","3","2","5","7","4","1") = "6"
    & skf21("1","5","3","2","5","7","5","1") = "6"
    & skf21("1","5","3","2","5","7","6","1") = "6"
    & skf21("1","5","3","2","5","7","7","1") = "6"
    & skf21("1","5","3","2","6","1","1","1") = "5"
    & skf21("1","5","3","2","6","1","2","1") = "5"
    & skf21("1","5","3","2","6","1","3","1") = "5"
    & skf21("1","5","3","2","6","1","4","1") = "5"
    & skf21("1","5","3","2","6","1","5","1") = "5"
    & skf21("1","5","3","2","6","1","6","1") = "5"
    & skf21("1","5","3","2","6","1","7","1") = "6"
    & skf21("1","5","3","2","6","2","1","1") = "5"
    & skf21("1","5","3","2","6","2","2","1") = "5"
    & skf21("1","5","3","2","6","2","3","1") = "5"
    & skf21("1","5","3","2","6","2","4","1") = "5"
    & skf21("1","5","3","2","6","2","5","1") = "5"
    & skf21("1","5","3","2","6","2","6","1") = "5"
    & skf21("1","5","3","2","6","2","7","1") = "6"
    & skf21("1","5","3","2","6","3","1","1") = "5"
    & skf21("1","5","3","2","6","3","2","1") = "5"
    & skf21("1","5","3","2","6","3","3","1") = "5"
    & skf21("1","5","3","2","6","3","4","1") = "5"
    & skf21("1","5","3","2","6","3","5","1") = "5"
    & skf21("1","5","3","2","6","3","6","1") = "5"
    & skf21("1","5","3","2","6","3","7","1") = "6"
    & skf21("1","5","3","2","6","4","1","1") = "5"
    & skf21("1","5","3","2","6","4","2","1") = "5"
    & skf21("1","5","3","2","6","4","3","1") = "5"
    & skf21("1","5","3","2","6","4","4","1") = "5"
    & skf21("1","5","3","2","6","4","5","1") = "5"
    & skf21("1","5","3","2","6","4","6","1") = "5"
    & skf21("1","5","3","2","6","4","7","1") = "6"
    & skf21("1","5","3","2","6","5","1","1") = "5"
    & skf21("1","5","3","2","6","5","2","1") = "5"
    & skf21("1","5","3","2","6","5","3","1") = "5"
    & skf21("1","5","3","2","6","5","4","1") = "5"
    & skf21("1","5","3","2","6","5","5","1") = "5"
    & skf21("1","5","3","2","6","5","6","1") = "5"
    & skf21("1","5","3","2","6","5","7","1") = "6"
    & skf21("1","5","3","2","6","6","1","1") = "5"
    & skf21("1","5","3","2","6","6","2","1") = "5"
    & skf21("1","5","3","2","6","6","3","1") = "5"
    & skf21("1","5","3","2","6","6","4","1") = "5"
    & skf21("1","5","3","2","6","6","5","1") = "5"
    & skf21("1","5","3","2","6","6","6","1") = "5"
    & skf21("1","5","3","2","6","6","7","1") = "6"
    & skf21("1","5","3","2","6","7","1","1") = "6"
    & skf21("1","5","3","2","6","7","2","1") = "6"
    & skf21("1","5","3","2","6","7","3","1") = "6"
    & skf21("1","5","3","2","6","7","4","1") = "6"
    & skf21("1","5","3","2","6","7","5","1") = "6"
    & skf21("1","5","3","2","6","7","6","1") = "6"
    & skf21("1","5","3","2","6","7","7","1") = "6"
    & skf21("1","5","3","2","7","1","1","1") = "6"
    & skf21("1","5","3","2","7","1","2","1") = "6"
    & skf21("1","5","3","2","7","1","3","1") = "6"
    & skf21("1","5","3","2","7","1","4","1") = "6"
    & skf21("1","5","3","2","7","1","5","1") = "6"
    & skf21("1","5","3","2","7","1","6","1") = "6"
    & skf21("1","5","3","2","7","1","7","1") = "6"
    & skf21("1","5","3","2","7","2","1","1") = "6"
    & skf21("1","5","3","2","7","2","2","1") = "6"
    & skf21("1","5","3","2","7","2","3","1") = "6"
    & skf21("1","5","3","2","7","2","4","1") = "6"
    & skf21("1","5","3","2","7","2","5","1") = "6"
    & skf21("1","5","3","2","7","2","6","1") = "6"
    & skf21("1","5","3","2","7","2","7","1") = "6"
    & skf21("1","5","3","2","7","3","1","1") = "6"
    & skf21("1","5","3","2","7","3","2","1") = "6"
    & skf21("1","5","3","2","7","3","3","1") = "6"
    & skf21("1","5","3","2","7","3","4","1") = "6"
    & skf21("1","5","3","2","7","3","5","1") = "6"
    & skf21("1","5","3","2","7","3","6","1") = "6"
    & skf21("1","5","3","2","7","3","7","1") = "6"
    & skf21("1","5","3","2","7","4","1","1") = "6"
    & skf21("1","5","3","2","7","4","2","1") = "6"
    & skf21("1","5","3","2","7","4","3","1") = "6"
    & skf21("1","5","3","2","7","4","4","1") = "6"
    & skf21("1","5","3","2","7","4","5","1") = "6"
    & skf21("1","5","3","2","7","4","6","1") = "6"
    & skf21("1","5","3","2","7","4","7","1") = "6"
    & skf21("1","5","3","2","7","5","1","1") = "6"
    & skf21("1","5","3","2","7","5","2","1") = "6"
    & skf21("1","5","3","2","7","5","3","1") = "6"
    & skf21("1","5","3","2","7","5","4","1") = "6"
    & skf21("1","5","3","2","7","5","5","1") = "6"
    & skf21("1","5","3","2","7","5","6","1") = "6"
    & skf21("1","5","3","2","7","5","7","1") = "6"
    & skf21("1","5","3","2","7","6","1","1") = "6"
    & skf21("1","5","3","2","7","6","2","1") = "6"
    & skf21("1","5","3","2","7","6","3","1") = "6"
    & skf21("1","5","3","2","7","6","4","1") = "6"
    & skf21("1","5","3","2","7","6","5","1") = "6"
    & skf21("1","5","3","2","7","6","6","1") = "6"
    & skf21("1","5","3","2","7","6","7","1") = "6"
    & skf21("1","5","3","2","7","7","1","1") = "6"
    & skf21("1","5","3","2","7","7","2","1") = "6"
    & skf21("1","5","3","2","7","7","3","1") = "6"
    & skf21("1","5","3","2","7","7","4","1") = "6"
    & skf21("1","5","3","2","7","7","5","1") = "6"
    & skf21("1","5","3","2","7","7","6","1") = "6"
    & skf21("1","5","3","2","7","7","7","1") = "6"
    & skf21("1","5","3","3","1","1","1","1") = "4"
    & skf21("1","5","3","3","1","1","2","1") = "4"
    & skf21("1","5","3","3","1","1","3","1") = "4"
    & skf21("1","5","3","3","1","1","4","1") = "4"
    & skf21("1","5","3","3","1","1","5","1") = "4"
    & skf21("1","5","3","3","1","1","6","1") = "5"
    & skf21("1","5","3","3","1","1","7","1") = "6"
    & skf21("1","5","3","3","1","2","1","1") = "4"
    & skf21("1","5","3","3","1","2","2","1") = "4"
    & skf21("1","5","3","3","1","2","3","1") = "4"
    & skf21("1","5","3","3","1","2","4","1") = "4"
    & skf21("1","5","3","3","1","2","5","1") = "4"
    & skf21("1","5","3","3","1","2","6","1") = "5"
    & skf21("1","5","3","3","1","2","7","1") = "6"
    & skf21("1","5","3","3","1","3","1","1") = "4"
    & skf21("1","5","3","3","1","3","2","1") = "4"
    & skf21("1","5","3","3","1","3","3","1") = "4"
    & skf21("1","5","3","3","1","3","4","1") = "4"
    & skf21("1","5","3","3","1","3","5","1") = "4"
    & skf21("1","5","3","3","1","3","6","1") = "5"
    & skf21("1","5","3","3","1","3","7","1") = "6"
    & skf21("1","5","3","3","1","4","1","1") = "4"
    & skf21("1","5","3","3","1","4","2","1") = "4"
    & skf21("1","5","3","3","1","4","3","1") = "4"
    & skf21("1","5","3","3","1","4","4","1") = "4"
    & skf21("1","5","3","3","1","4","5","1") = "4"
    & skf21("1","5","3","3","1","4","6","1") = "5"
    & skf21("1","5","3","3","1","4","7","1") = "6"
    & skf21("1","5","3","3","1","5","1","1") = "4"
    & skf21("1","5","3","3","1","5","2","1") = "4"
    & skf21("1","5","3","3","1","5","3","1") = "4"
    & skf21("1","5","3","3","1","5","4","1") = "4"
    & skf21("1","5","3","3","1","5","5","1") = "4"
    & skf21("1","5","3","3","1","5","6","1") = "5"
    & skf21("1","5","3","3","1","5","7","1") = "6"
    & skf21("1","5","3","3","1","6","1","1") = "5"
    & skf21("1","5","3","3","1","6","2","1") = "5"
    & skf21("1","5","3","3","1","6","3","1") = "5"
    & skf21("1","5","3","3","1","6","4","1") = "5"
    & skf21("1","5","3","3","1","6","5","1") = "5"
    & skf21("1","5","3","3","1","6","6","1") = "5"
    & skf21("1","5","3","3","1","6","7","1") = "6"
    & skf21("1","5","3","3","1","7","1","1") = "6"
    & skf21("1","5","3","3","1","7","2","1") = "6"
    & skf21("1","5","3","3","1","7","3","1") = "6"
    & skf21("1","5","3","3","1","7","4","1") = "6"
    & skf21("1","5","3","3","1","7","5","1") = "6"
    & skf21("1","5","3","3","1","7","6","1") = "6"
    & skf21("1","5","3","3","1","7","7","1") = "6"
    & skf21("1","5","3","3","2","1","1","1") = "4"
    & skf21("1","5","3","3","2","1","2","1") = "4"
    & skf21("1","5","3","3","2","1","3","1") = "4"
    & skf21("1","5","3","3","2","1","4","1") = "4"
    & skf21("1","5","3","3","2","1","5","1") = "4"
    & skf21("1","5","3","3","2","1","6","1") = "5"
    & skf21("1","5","3","3","2","1","7","1") = "6"
    & skf21("1","5","3","3","2","2","1","1") = "4"
    & skf21("1","5","3","3","2","2","2","1") = "4"
    & skf21("1","5","3","3","2","2","3","1") = "4"
    & skf21("1","5","3","3","2","2","4","1") = "4"
    & skf21("1","5","3","3","2","2","5","1") = "4"
    & skf21("1","5","3","3","2","2","6","1") = "5"
    & skf21("1","5","3","3","2","2","7","1") = "6"
    & skf21("1","5","3","3","2","3","1","1") = "4"
    & skf21("1","5","3","3","2","3","2","1") = "4"
    & skf21("1","5","3","3","2","3","3","1") = "4"
    & skf21("1","5","3","3","2","3","4","1") = "4"
    & skf21("1","5","3","3","2","3","5","1") = "4"
    & skf21("1","5","3","3","2","3","6","1") = "5"
    & skf21("1","5","3","3","2","3","7","1") = "6"
    & skf21("1","5","3","3","2","4","1","1") = "4"
    & skf21("1","5","3","3","2","4","2","1") = "4"
    & skf21("1","5","3","3","2","4","3","1") = "4"
    & skf21("1","5","3","3","2","4","4","1") = "4"
    & skf21("1","5","3","3","2","4","5","1") = "4"
    & skf21("1","5","3","3","2","4","6","1") = "5"
    & skf21("1","5","3","3","2","4","7","1") = "6"
    & skf21("1","5","3","3","2","5","1","1") = "4"
    & skf21("1","5","3","3","2","5","2","1") = "4"
    & skf21("1","5","3","3","2","5","3","1") = "4"
    & skf21("1","5","3","3","2","5","4","1") = "4"
    & skf21("1","5","3","3","2","5","5","1") = "4"
    & skf21("1","5","3","3","2","5","6","1") = "5"
    & skf21("1","5","3","3","2","5","7","1") = "6"
    & skf21("1","5","3","3","2","6","1","1") = "5"
    & skf21("1","5","3","3","2","6","2","1") = "5"
    & skf21("1","5","3","3","2","6","3","1") = "5"
    & skf21("1","5","3","3","2","6","4","1") = "5"
    & skf21("1","5","3","3","2","6","5","1") = "5"
    & skf21("1","5","3","3","2","6","6","1") = "5"
    & skf21("1","5","3","3","2","6","7","1") = "6"
    & skf21("1","5","3","3","2","7","1","1") = "6"
    & skf21("1","5","3","3","2","7","2","1") = "6"
    & skf21("1","5","3","3","2","7","3","1") = "6"
    & skf21("1","5","3","3","2","7","4","1") = "6"
    & skf21("1","5","3","3","2","7","5","1") = "6"
    & skf21("1","5","3","3","2","7","6","1") = "6"
    & skf21("1","5","3","3","2","7","7","1") = "6"
    & skf21("1","5","3","3","3","1","1","1") = "4"
    & skf21("1","5","3","3","3","1","2","1") = "4"
    & skf21("1","5","3","3","3","1","3","1") = "4"
    & skf21("1","5","3","3","3","1","4","1") = "4"
    & skf21("1","5","3","3","3","1","5","1") = "4"
    & skf21("1","5","3","3","3","1","6","1") = "5"
    & skf21("1","5","3","3","3","1","7","1") = "6"
    & skf21("1","5","3","3","3","2","1","1") = "4"
    & skf21("1","5","3","3","3","2","2","1") = "4"
    & skf21("1","5","3","3","3","2","3","1") = "4"
    & skf21("1","5","3","3","3","2","4","1") = "4"
    & skf21("1","5","3","3","3","2","5","1") = "4"
    & skf21("1","5","3","3","3","2","6","1") = "5"
    & skf21("1","5","3","3","3","2","7","1") = "6"
    & skf21("1","5","3","3","3","3","1","1") = "4"
    & skf21("1","5","3","3","3","3","2","1") = "4"
    & skf21("1","5","3","3","3","3","3","1") = "4"
    & skf21("1","5","3","3","3","3","4","1") = "4"
    & skf21("1","5","3","3","3","3","5","1") = "4"
    & skf21("1","5","3","3","3","3","6","1") = "5"
    & skf21("1","5","3","3","3","3","7","1") = "6"
    & skf21("1","5","3","3","3","4","1","1") = "4"
    & skf21("1","5","3","3","3","4","2","1") = "4"
    & skf21("1","5","3","3","3","4","3","1") = "4"
    & skf21("1","5","3","3","3","4","4","1") = "4"
    & skf21("1","5","3","3","3","4","5","1") = "4"
    & skf21("1","5","3","3","3","4","6","1") = "5"
    & skf21("1","5","3","3","3","4","7","1") = "6"
    & skf21("1","5","3","3","3","5","1","1") = "4"
    & skf21("1","5","3","3","3","5","2","1") = "4"
    & skf21("1","5","3","3","3","5","3","1") = "4"
    & skf21("1","5","3","3","3","5","4","1") = "4"
    & skf21("1","5","3","3","3","5","5","1") = "4"
    & skf21("1","5","3","3","3","5","6","1") = "5"
    & skf21("1","5","3","3","3","5","7","1") = "6"
    & skf21("1","5","3","3","3","6","1","1") = "5"
    & skf21("1","5","3","3","3","6","2","1") = "5"
    & skf21("1","5","3","3","3","6","3","1") = "5"
    & skf21("1","5","3","3","3","6","4","1") = "5"
    & skf21("1","5","3","3","3","6","5","1") = "5"
    & skf21("1","5","3","3","3","6","6","1") = "5"
    & skf21("1","5","3","3","3","6","7","1") = "6"
    & skf21("1","5","3","3","3","7","1","1") = "6"
    & skf21("1","5","3","3","3","7","2","1") = "6"
    & skf21("1","5","3","3","3","7","3","1") = "6"
    & skf21("1","5","3","3","3","7","4","1") = "6"
    & skf21("1","5","3","3","3","7","5","1") = "6"
    & skf21("1","5","3","3","3","7","6","1") = "6"
    & skf21("1","5","3","3","3","7","7","1") = "6"
    & skf21("1","5","3","3","4","1","1","1") = "4"
    & skf21("1","5","3","3","4","1","2","1") = "4"
    & skf21("1","5","3","3","4","1","3","1") = "4"
    & skf21("1","5","3","3","4","1","4","1") = "4"
    & skf21("1","5","3","3","4","1","5","1") = "4"
    & skf21("1","5","3","3","4","1","6","1") = "5"
    & skf21("1","5","3","3","4","1","7","1") = "6"
    & skf21("1","5","3","3","4","2","1","1") = "4"
    & skf21("1","5","3","3","4","2","2","1") = "4"
    & skf21("1","5","3","3","4","2","3","1") = "4"
    & skf21("1","5","3","3","4","2","4","1") = "4"
    & skf21("1","5","3","3","4","2","5","1") = "4"
    & skf21("1","5","3","3","4","2","6","1") = "5"
    & skf21("1","5","3","3","4","2","7","1") = "6"
    & skf21("1","5","3","3","4","3","1","1") = "4"
    & skf21("1","5","3","3","4","3","2","1") = "4"
    & skf21("1","5","3","3","4","3","3","1") = "4"
    & skf21("1","5","3","3","4","3","4","1") = "4"
    & skf21("1","5","3","3","4","3","5","1") = "4"
    & skf21("1","5","3","3","4","3","6","1") = "5"
    & skf21("1","5","3","3","4","3","7","1") = "6"
    & skf21("1","5","3","3","4","4","1","1") = "4"
    & skf21("1","5","3","3","4","4","2","1") = "4"
    & skf21("1","5","3","3","4","4","3","1") = "4"
    & skf21("1","5","3","3","4","4","4","1") = "4"
    & skf21("1","5","3","3","4","4","5","1") = "4"
    & skf21("1","5","3","3","4","4","6","1") = "5"
    & skf21("1","5","3","3","4","4","7","1") = "6"
    & skf21("1","5","3","3","4","5","1","1") = "4"
    & skf21("1","5","3","3","4","5","2","1") = "4"
    & skf21("1","5","3","3","4","5","3","1") = "4"
    & skf21("1","5","3","3","4","5","4","1") = "4"
    & skf21("1","5","3","3","4","5","5","1") = "4"
    & skf21("1","5","3","3","4","5","6","1") = "5"
    & skf21("1","5","3","3","4","5","7","1") = "6"
    & skf21("1","5","3","3","4","6","1","1") = "5"
    & skf21("1","5","3","3","4","6","2","1") = "5"
    & skf21("1","5","3","3","4","6","3","1") = "5"
    & skf21("1","5","3","3","4","6","4","1") = "5"
    & skf21("1","5","3","3","4","6","5","1") = "5"
    & skf21("1","5","3","3","4","6","6","1") = "5"
    & skf21("1","5","3","3","4","6","7","1") = "6"
    & skf21("1","5","3","3","4","7","1","1") = "6"
    & skf21("1","5","3","3","4","7","2","1") = "6"
    & skf21("1","5","3","3","4","7","3","1") = "6"
    & skf21("1","5","3","3","4","7","4","1") = "6"
    & skf21("1","5","3","3","4","7","5","1") = "6"
    & skf21("1","5","3","3","4","7","6","1") = "6"
    & skf21("1","5","3","3","4","7","7","1") = "6"
    & skf21("1","5","3","3","5","1","1","1") = "4"
    & skf21("1","5","3","3","5","1","2","1") = "4"
    & skf21("1","5","3","3","5","1","3","1") = "4"
    & skf21("1","5","3","3","5","1","4","1") = "4"
    & skf21("1","5","3","3","5","1","5","1") = "4"
    & skf21("1","5","3","3","5","1","6","1") = "5"
    & skf21("1","5","3","3","5","1","7","1") = "6"
    & skf21("1","5","3","3","5","2","1","1") = "4"
    & skf21("1","5","3","3","5","2","2","1") = "4"
    & skf21("1","5","3","3","5","2","3","1") = "4"
    & skf21("1","5","3","3","5","2","4","1") = "4"
    & skf21("1","5","3","3","5","2","5","1") = "4"
    & skf21("1","5","3","3","5","2","6","1") = "5"
    & skf21("1","5","3","3","5","2","7","1") = "6"
    & skf21("1","5","3","3","5","3","1","1") = "4"
    & skf21("1","5","3","3","5","3","2","1") = "4"
    & skf21("1","5","3","3","5","3","3","1") = "4"
    & skf21("1","5","3","3","5","3","4","1") = "4"
    & skf21("1","5","3","3","5","3","5","1") = "4"
    & skf21("1","5","3","3","5","3","6","1") = "5"
    & skf21("1","5","3","3","5","3","7","1") = "6"
    & skf21("1","5","3","3","5","4","1","1") = "4"
    & skf21("1","5","3","3","5","4","2","1") = "4"
    & skf21("1","5","3","3","5","4","3","1") = "4"
    & skf21("1","5","3","3","5","4","4","1") = "4"
    & skf21("1","5","3","3","5","4","5","1") = "4"
    & skf21("1","5","3","3","5","4","6","1") = "5"
    & skf21("1","5","3","3","5","4","7","1") = "6"
    & skf21("1","5","3","3","5","5","1","1") = "4"
    & skf21("1","5","3","3","5","5","2","1") = "4"
    & skf21("1","5","3","3","5","5","3","1") = "4"
    & skf21("1","5","3","3","5","5","4","1") = "4"
    & skf21("1","5","3","3","5","5","5","1") = "4"
    & skf21("1","5","3","3","5","5","6","1") = "5"
    & skf21("1","5","3","3","5","5","7","1") = "6"
    & skf21("1","5","3","3","5","6","1","1") = "5"
    & skf21("1","5","3","3","5","6","2","1") = "5"
    & skf21("1","5","3","3","5","6","3","1") = "5"
    & skf21("1","5","3","3","5","6","4","1") = "5"
    & skf21("1","5","3","3","5","6","5","1") = "5"
    & skf21("1","5","3","3","5","6","6","1") = "5"
    & skf21("1","5","3","3","5","6","7","1") = "6"
    & skf21("1","5","3","3","5","7","1","1") = "6"
    & skf21("1","5","3","3","5","7","2","1") = "6"
    & skf21("1","5","3","3","5","7","3","1") = "6"
    & skf21("1","5","3","3","5","7","4","1") = "6"
    & skf21("1","5","3","3","5","7","5","1") = "6"
    & skf21("1","5","3","3","5","7","6","1") = "6"
    & skf21("1","5","3","3","5","7","7","1") = "6"
    & skf21("1","5","3","3","6","1","1","1") = "5"
    & skf21("1","5","3","3","6","1","2","1") = "5"
    & skf21("1","5","3","3","6","1","3","1") = "5"
    & skf21("1","5","3","3","6","1","4","1") = "5"
    & skf21("1","5","3","3","6","1","5","1") = "5"
    & skf21("1","5","3","3","6","1","6","1") = "5"
    & skf21("1","5","3","3","6","1","7","1") = "6"
    & skf21("1","5","3","3","6","2","1","1") = "5"
    & skf21("1","5","3","3","6","2","2","1") = "5"
    & skf21("1","5","3","3","6","2","3","1") = "5"
    & skf21("1","5","3","3","6","2","4","1") = "5"
    & skf21("1","5","3","3","6","2","5","1") = "5"
    & skf21("1","5","3","3","6","2","6","1") = "5"
    & skf21("1","5","3","3","6","2","7","1") = "6"
    & skf21("1","5","3","3","6","3","1","1") = "5"
    & skf21("1","5","3","3","6","3","2","1") = "5"
    & skf21("1","5","3","3","6","3","3","1") = "5"
    & skf21("1","5","3","3","6","3","4","1") = "5"
    & skf21("1","5","3","3","6","3","5","1") = "5"
    & skf21("1","5","3","3","6","3","6","1") = "5"
    & skf21("1","5","3","3","6","3","7","1") = "6"
    & skf21("1","5","3","3","6","4","1","1") = "5"
    & skf21("1","5","3","3","6","4","2","1") = "5"
    & skf21("1","5","3","3","6","4","3","1") = "5"
    & skf21("1","5","3","3","6","4","4","1") = "5"
    & skf21("1","5","3","3","6","4","5","1") = "5"
    & skf21("1","5","3","3","6","4","6","1") = "5"
    & skf21("1","5","3","3","6","4","7","1") = "6"
    & skf21("1","5","3","3","6","5","1","1") = "5"
    & skf21("1","5","3","3","6","5","2","1") = "5"
    & skf21("1","5","3","3","6","5","3","1") = "5"
    & skf21("1","5","3","3","6","5","4","1") = "5"
    & skf21("1","5","3","3","6","5","5","1") = "5"
    & skf21("1","5","3","3","6","5","6","1") = "5"
    & skf21("1","5","3","3","6","5","7","1") = "6"
    & skf21("1","5","3","3","6","6","1","1") = "5"
    & skf21("1","5","3","3","6","6","2","1") = "5"
    & skf21("1","5","3","3","6","6","3","1") = "5"
    & skf21("1","5","3","3","6","6","4","1") = "5"
    & skf21("1","5","3","3","6","6","5","1") = "5"
    & skf21("1","5","3","3","6","6","6","1") = "5"
    & skf21("1","5","3","3","6","6","7","1") = "6"
    & skf21("1","5","3","3","6","7","1","1") = "6"
    & skf21("1","5","3","3","6","7","2","1") = "6"
    & skf21("1","5","3","3","6","7","3","1") = "6"
    & skf21("1","5","3","3","6","7","4","1") = "6"
    & skf21("1","5","3","3","6","7","5","1") = "6"
    & skf21("1","5","3","3","6","7","6","1") = "6"
    & skf21("1","5","3","3","6","7","7","1") = "6"
    & skf21("1","5","3","3","7","1","1","1") = "6"
    & skf21("1","5","3","3","7","1","2","1") = "6"
    & skf21("1","5","3","3","7","1","3","1") = "6"
    & skf21("1","5","3","3","7","1","4","1") = "6"
    & skf21("1","5","3","3","7","1","5","1") = "6"
    & skf21("1","5","3","3","7","1","6","1") = "6"
    & skf21("1","5","3","3","7","1","7","1") = "6"
    & skf21("1","5","3","3","7","2","1","1") = "6"
    & skf21("1","5","3","3","7","2","2","1") = "6"
    & skf21("1","5","3","3","7","2","3","1") = "6"
    & skf21("1","5","3","3","7","2","4","1") = "6"
    & skf21("1","5","3","3","7","2","5","1") = "6"
    & skf21("1","5","3","3","7","2","6","1") = "6"
    & skf21("1","5","3","3","7","2","7","1") = "6"
    & skf21("1","5","3","3","7","3","1","1") = "6"
    & skf21("1","5","3","3","7","3","2","1") = "6"
    & skf21("1","5","3","3","7","3","3","1") = "6"
    & skf21("1","5","3","3","7","3","4","1") = "6"
    & skf21("1","5","3","3","7","3","5","1") = "6"
    & skf21("1","5","3","3","7","3","6","1") = "6"
    & skf21("1","5","3","3","7","3","7","1") = "6"
    & skf21("1","5","3","3","7","4","1","1") = "6"
    & skf21("1","5","3","3","7","4","2","1") = "6"
    & skf21("1","5","3","3","7","4","3","1") = "6"
    & skf21("1","5","3","3","7","4","4","1") = "6"
    & skf21("1","5","3","3","7","4","5","1") = "6"
    & skf21("1","5","3","3","7","4","6","1") = "6"
    & skf21("1","5","3","3","7","4","7","1") = "6"
    & skf21("1","5","3","3","7","5","1","1") = "6"
    & skf21("1","5","3","3","7","5","2","1") = "6"
    & skf21("1","5","3","3","7","5","3","1") = "6"
    & skf21("1","5","3","3","7","5","4","1") = "6"
    & skf21("1","5","3","3","7","5","5","1") = "6"
    & skf21("1","5","3","3","7","5","6","1") = "6"
    & skf21("1","5","3","3","7","5","7","1") = "6"
    & skf21("1","5","3","3","7","6","1","1") = "6"
    & skf21("1","5","3","3","7","6","2","1") = "6"
    & skf21("1","5","3","3","7","6","3","1") = "6"
    & skf21("1","5","3","3","7","6","4","1") = "6"
    & skf21("1","5","3","3","7","6","5","1") = "6"
    & skf21("1","5","3","3","7","6","6","1") = "6"
    & skf21("1","5","3","3","7","6","7","1") = "6"
    & skf21("1","5","3","3","7","7","1","1") = "6"
    & skf21("1","5","3","3","7","7","2","1") = "6"
    & skf21("1","5","3","3","7","7","3","1") = "6"
    & skf21("1","5","3","3","7","7","4","1") = "6"
    & skf21("1","5","3","3","7","7","5","1") = "6"
    & skf21("1","5","3","3","7","7","6","1") = "6"
    & skf21("1","5","3","3","7","7","7","1") = "6"
    & skf21("1","5","3","4","1","1","1","1") = "4"
    & skf21("1","5","3","4","1","1","2","1") = "4"
    & skf21("1","5","3","4","1","1","3","1") = "4"
    & skf21("1","5","3","4","1","1","4","1") = "4"
    & skf21("1","5","3","4","1","1","5","1") = "4"
    & skf21("1","5","3","4","1","1","6","1") = "5"
    & skf21("1","5","3","4","1","1","7","1") = "6"
    & skf21("1","5","3","4","1","2","1","1") = "4"
    & skf21("1","5","3","4","1","2","2","1") = "4"
    & skf21("1","5","3","4","1","2","3","1") = "4"
    & skf21("1","5","3","4","1","2","4","1") = "4"
    & skf21("1","5","3","4","1","2","5","1") = "4"
    & skf21("1","5","3","4","1","2","6","1") = "5"
    & skf21("1","5","3","4","1","2","7","1") = "6"
    & skf21("1","5","3","4","1","3","1","1") = "4"
    & skf21("1","5","3","4","1","3","2","1") = "4"
    & skf21("1","5","3","4","1","3","3","1") = "4"
    & skf21("1","5","3","4","1","3","4","1") = "4"
    & skf21("1","5","3","4","1","3","5","1") = "4"
    & skf21("1","5","3","4","1","3","6","1") = "5"
    & skf21("1","5","3","4","1","3","7","1") = "6"
    & skf21("1","5","3","4","1","4","1","1") = "4"
    & skf21("1","5","3","4","1","4","2","1") = "4"
    & skf21("1","5","3","4","1","4","3","1") = "4"
    & skf21("1","5","3","4","1","4","4","1") = "4"
    & skf21("1","5","3","4","1","4","5","1") = "4"
    & skf21("1","5","3","4","1","4","6","1") = "5"
    & skf21("1","5","3","4","1","4","7","1") = "6"
    & skf21("1","5","3","4","1","5","1","1") = "4"
    & skf21("1","5","3","4","1","5","2","1") = "4"
    & skf21("1","5","3","4","1","5","3","1") = "4"
    & skf21("1","5","3","4","1","5","4","1") = "4"
    & skf21("1","5","3","4","1","5","5","1") = "4"
    & skf21("1","5","3","4","1","5","6","1") = "5"
    & skf21("1","5","3","4","1","5","7","1") = "6"
    & skf21("1","5","3","4","1","6","1","1") = "5"
    & skf21("1","5","3","4","1","6","2","1") = "5"
    & skf21("1","5","3","4","1","6","3","1") = "5"
    & skf21("1","5","3","4","1","6","4","1") = "5"
    & skf21("1","5","3","4","1","6","5","1") = "5"
    & skf21("1","5","3","4","1","6","6","1") = "5"
    & skf21("1","5","3","4","1","6","7","1") = "6"
    & skf21("1","5","3","4","1","7","1","1") = "6"
    & skf21("1","5","3","4","1","7","2","1") = "6"
    & skf21("1","5","3","4","1","7","3","1") = "6"
    & skf21("1","5","3","4","1","7","4","1") = "6"
    & skf21("1","5","3","4","1","7","5","1") = "6"
    & skf21("1","5","3","4","1","7","6","1") = "6"
    & skf21("1","5","3","4","1","7","7","1") = "6"
    & skf21("1","5","3","4","2","1","1","1") = "4"
    & skf21("1","5","3","4","2","1","2","1") = "4"
    & skf21("1","5","3","4","2","1","3","1") = "4"
    & skf21("1","5","3","4","2","1","4","1") = "4"
    & skf21("1","5","3","4","2","1","5","1") = "4"
    & skf21("1","5","3","4","2","1","6","1") = "5"
    & skf21("1","5","3","4","2","1","7","1") = "6"
    & skf21("1","5","3","4","2","2","1","1") = "4"
    & skf21("1","5","3","4","2","2","2","1") = "4"
    & skf21("1","5","3","4","2","2","3","1") = "4"
    & skf21("1","5","3","4","2","2","4","1") = "4"
    & skf21("1","5","3","4","2","2","5","1") = "4"
    & skf21("1","5","3","4","2","2","6","1") = "5"
    & skf21("1","5","3","4","2","2","7","1") = "6"
    & skf21("1","5","3","4","2","3","1","1") = "4"
    & skf21("1","5","3","4","2","3","2","1") = "4"
    & skf21("1","5","3","4","2","3","3","1") = "4"
    & skf21("1","5","3","4","2","3","4","1") = "4"
    & skf21("1","5","3","4","2","3","5","1") = "4"
    & skf21("1","5","3","4","2","3","6","1") = "5"
    & skf21("1","5","3","4","2","3","7","1") = "6"
    & skf21("1","5","3","4","2","4","1","1") = "4"
    & skf21("1","5","3","4","2","4","2","1") = "4"
    & skf21("1","5","3","4","2","4","3","1") = "4"
    & skf21("1","5","3","4","2","4","4","1") = "4"
    & skf21("1","5","3","4","2","4","5","1") = "4"
    & skf21("1","5","3","4","2","4","6","1") = "5"
    & skf21("1","5","3","4","2","4","7","1") = "6"
    & skf21("1","5","3","4","2","5","1","1") = "4"
    & skf21("1","5","3","4","2","5","2","1") = "4"
    & skf21("1","5","3","4","2","5","3","1") = "4"
    & skf21("1","5","3","4","2","5","4","1") = "4"
    & skf21("1","5","3","4","2","5","5","1") = "4"
    & skf21("1","5","3","4","2","5","6","1") = "5"
    & skf21("1","5","3","4","2","5","7","1") = "6"
    & skf21("1","5","3","4","2","6","1","1") = "5"
    & skf21("1","5","3","4","2","6","2","1") = "5"
    & skf21("1","5","3","4","2","6","3","1") = "5"
    & skf21("1","5","3","4","2","6","4","1") = "5"
    & skf21("1","5","3","4","2","6","5","1") = "5"
    & skf21("1","5","3","4","2","6","6","1") = "5"
    & skf21("1","5","3","4","2","6","7","1") = "6"
    & skf21("1","5","3","4","2","7","1","1") = "6"
    & skf21("1","5","3","4","2","7","2","1") = "6"
    & skf21("1","5","3","4","2","7","3","1") = "6"
    & skf21("1","5","3","4","2","7","4","1") = "6"
    & skf21("1","5","3","4","2","7","5","1") = "6"
    & skf21("1","5","3","4","2","7","6","1") = "6"
    & skf21("1","5","3","4","2","7","7","1") = "6"
    & skf21("1","5","3","4","3","1","1","1") = "4"
    & skf21("1","5","3","4","3","1","2","1") = "4"
    & skf21("1","5","3","4","3","1","3","1") = "4"
    & skf21("1","5","3","4","3","1","4","1") = "4"
    & skf21("1","5","3","4","3","1","5","1") = "4"
    & skf21("1","5","3","4","3","1","6","1") = "5"
    & skf21("1","5","3","4","3","1","7","1") = "6"
    & skf21("1","5","3","4","3","2","1","1") = "4"
    & skf21("1","5","3","4","3","2","2","1") = "4"
    & skf21("1","5","3","4","3","2","3","1") = "4"
    & skf21("1","5","3","4","3","2","4","1") = "4"
    & skf21("1","5","3","4","3","2","5","1") = "4"
    & skf21("1","5","3","4","3","2","6","1") = "5"
    & skf21("1","5","3","4","3","2","7","1") = "6"
    & skf21("1","5","3","4","3","3","1","1") = "4"
    & skf21("1","5","3","4","3","3","2","1") = "4"
    & skf21("1","5","3","4","3","3","3","1") = "4"
    & skf21("1","5","3","4","3","3","4","1") = "4"
    & skf21("1","5","3","4","3","3","5","1") = "4"
    & skf21("1","5","3","4","3","3","6","1") = "5"
    & skf21("1","5","3","4","3","3","7","1") = "6"
    & skf21("1","5","3","4","3","4","1","1") = "4"
    & skf21("1","5","3","4","3","4","2","1") = "4"
    & skf21("1","5","3","4","3","4","3","1") = "4"
    & skf21("1","5","3","4","3","4","4","1") = "4"
    & skf21("1","5","3","4","3","4","5","1") = "4"
    & skf21("1","5","3","4","3","4","6","1") = "5"
    & skf21("1","5","3","4","3","4","7","1") = "6"
    & skf21("1","5","3","4","3","5","1","1") = "4"
    & skf21("1","5","3","4","3","5","2","1") = "4"
    & skf21("1","5","3","4","3","5","3","1") = "4"
    & skf21("1","5","3","4","3","5","4","1") = "4"
    & skf21("1","5","3","4","3","5","5","1") = "4"
    & skf21("1","5","3","4","3","5","6","1") = "5"
    & skf21("1","5","3","4","3","5","7","1") = "6"
    & skf21("1","5","3","4","3","6","1","1") = "5"
    & skf21("1","5","3","4","3","6","2","1") = "5"
    & skf21("1","5","3","4","3","6","3","1") = "5"
    & skf21("1","5","3","4","3","6","4","1") = "5"
    & skf21("1","5","3","4","3","6","5","1") = "5"
    & skf21("1","5","3","4","3","6","6","1") = "5"
    & skf21("1","5","3","4","3","6","7","1") = "6"
    & skf21("1","5","3","4","3","7","1","1") = "6"
    & skf21("1","5","3","4","3","7","2","1") = "6"
    & skf21("1","5","3","4","3","7","3","1") = "6"
    & skf21("1","5","3","4","3","7","4","1") = "6"
    & skf21("1","5","3","4","3","7","5","1") = "6"
    & skf21("1","5","3","4","3","7","6","1") = "6"
    & skf21("1","5","3","4","3","7","7","1") = "6"
    & skf21("1","5","3","4","4","1","1","1") = "4"
    & skf21("1","5","3","4","4","1","2","1") = "4"
    & skf21("1","5","3","4","4","1","3","1") = "4"
    & skf21("1","5","3","4","4","1","4","1") = "4"
    & skf21("1","5","3","4","4","1","5","1") = "4"
    & skf21("1","5","3","4","4","1","6","1") = "5"
    & skf21("1","5","3","4","4","1","7","1") = "6"
    & skf21("1","5","3","4","4","2","1","1") = "4"
    & skf21("1","5","3","4","4","2","2","1") = "4"
    & skf21("1","5","3","4","4","2","3","1") = "4"
    & skf21("1","5","3","4","4","2","4","1") = "4"
    & skf21("1","5","3","4","4","2","5","1") = "4"
    & skf21("1","5","3","4","4","2","6","1") = "5"
    & skf21("1","5","3","4","4","2","7","1") = "6"
    & skf21("1","5","3","4","4","3","1","1") = "4"
    & skf21("1","5","3","4","4","3","2","1") = "4"
    & skf21("1","5","3","4","4","3","3","1") = "4"
    & skf21("1","5","3","4","4","3","4","1") = "4"
    & skf21("1","5","3","4","4","3","5","1") = "4"
    & skf21("1","5","3","4","4","3","6","1") = "5"
    & skf21("1","5","3","4","4","3","7","1") = "6"
    & skf21("1","5","3","4","4","4","1","1") = "4"
    & skf21("1","5","3","4","4","4","2","1") = "4"
    & skf21("1","5","3","4","4","4","3","1") = "4"
    & skf21("1","5","3","4","4","4","4","1") = "4"
    & skf21("1","5","3","4","4","4","5","1") = "4"
    & skf21("1","5","3","4","4","4","6","1") = "5"
    & skf21("1","5","3","4","4","4","7","1") = "6"
    & skf21("1","5","3","4","4","5","1","1") = "4"
    & skf21("1","5","3","4","4","5","2","1") = "4"
    & skf21("1","5","3","4","4","5","3","1") = "4"
    & skf21("1","5","3","4","4","5","4","1") = "4"
    & skf21("1","5","3","4","4","5","5","1") = "4"
    & skf21("1","5","3","4","4","5","6","1") = "5"
    & skf21("1","5","3","4","4","5","7","1") = "6"
    & skf21("1","5","3","4","4","6","1","1") = "5"
    & skf21("1","5","3","4","4","6","2","1") = "5"
    & skf21("1","5","3","4","4","6","3","1") = "5"
    & skf21("1","5","3","4","4","6","4","1") = "5"
    & skf21("1","5","3","4","4","6","5","1") = "5"
    & skf21("1","5","3","4","4","6","6","1") = "5"
    & skf21("1","5","3","4","4","6","7","1") = "6"
    & skf21("1","5","3","4","4","7","1","1") = "6"
    & skf21("1","5","3","4","4","7","2","1") = "6"
    & skf21("1","5","3","4","4","7","3","1") = "6"
    & skf21("1","5","3","4","4","7","4","1") = "6"
    & skf21("1","5","3","4","4","7","5","1") = "6"
    & skf21("1","5","3","4","4","7","6","1") = "6"
    & skf21("1","5","3","4","4","7","7","1") = "6"
    & skf21("1","5","3","4","5","1","1","1") = "4"
    & skf21("1","5","3","4","5","1","2","1") = "4"
    & skf21("1","5","3","4","5","1","3","1") = "4"
    & skf21("1","5","3","4","5","1","4","1") = "4"
    & skf21("1","5","3","4","5","1","5","1") = "4"
    & skf21("1","5","3","4","5","1","6","1") = "5"
    & skf21("1","5","3","4","5","1","7","1") = "6"
    & skf21("1","5","3","4","5","2","1","1") = "4"
    & skf21("1","5","3","4","5","2","2","1") = "4"
    & skf21("1","5","3","4","5","2","3","1") = "4"
    & skf21("1","5","3","4","5","2","4","1") = "4"
    & skf21("1","5","3","4","5","2","5","1") = "4"
    & skf21("1","5","3","4","5","2","6","1") = "5"
    & skf21("1","5","3","4","5","2","7","1") = "6"
    & skf21("1","5","3","4","5","3","1","1") = "4"
    & skf21("1","5","3","4","5","3","2","1") = "4"
    & skf21("1","5","3","4","5","3","3","1") = "4"
    & skf21("1","5","3","4","5","3","4","1") = "4"
    & skf21("1","5","3","4","5","3","5","1") = "4"
    & skf21("1","5","3","4","5","3","6","1") = "5"
    & skf21("1","5","3","4","5","3","7","1") = "6"
    & skf21("1","5","3","4","5","4","1","1") = "4"
    & skf21("1","5","3","4","5","4","2","1") = "4"
    & skf21("1","5","3","4","5","4","3","1") = "4"
    & skf21("1","5","3","4","5","4","4","1") = "4"
    & skf21("1","5","3","4","5","4","5","1") = "4"
    & skf21("1","5","3","4","5","4","6","1") = "5"
    & skf21("1","5","3","4","5","4","7","1") = "6"
    & skf21("1","5","3","4","5","5","1","1") = "4"
    & skf21("1","5","3","4","5","5","2","1") = "4"
    & skf21("1","5","3","4","5","5","3","1") = "4"
    & skf21("1","5","3","4","5","5","4","1") = "4"
    & skf21("1","5","3","4","5","5","5","1") = "4"
    & skf21("1","5","3","4","5","5","6","1") = "5"
    & skf21("1","5","3","4","5","5","7","1") = "6"
    & skf21("1","5","3","4","5","6","1","1") = "5"
    & skf21("1","5","3","4","5","6","2","1") = "5"
    & skf21("1","5","3","4","5","6","3","1") = "5"
    & skf21("1","5","3","4","5","6","4","1") = "5"
    & skf21("1","5","3","4","5","6","5","1") = "5"
    & skf21("1","5","3","4","5","6","6","1") = "5"
    & skf21("1","5","3","4","5","6","7","1") = "6"
    & skf21("1","5","3","4","5","7","1","1") = "6"
    & skf21("1","5","3","4","5","7","2","1") = "6"
    & skf21("1","5","3","4","5","7","3","1") = "6"
    & skf21("1","5","3","4","5","7","4","1") = "6"
    & skf21("1","5","3","4","5","7","5","1") = "6"
    & skf21("1","5","3","4","5","7","6","1") = "6"
    & skf21("1","5","3","4","5","7","7","1") = "6"
    & skf21("1","5","3","4","6","1","1","1") = "5"
    & skf21("1","5","3","4","6","1","2","1") = "5"
    & skf21("1","5","3","4","6","1","3","1") = "5"
    & skf21("1","5","3","4","6","1","4","1") = "5"
    & skf21("1","5","3","4","6","1","5","1") = "5"
    & skf21("1","5","3","4","6","1","6","1") = "5"
    & skf21("1","5","3","4","6","1","7","1") = "6"
    & skf21("1","5","3","4","6","2","1","1") = "5"
    & skf21("1","5","3","4","6","2","2","1") = "5"
    & skf21("1","5","3","4","6","2","3","1") = "5"
    & skf21("1","5","3","4","6","2","4","1") = "5"
    & skf21("1","5","3","4","6","2","5","1") = "5"
    & skf21("1","5","3","4","6","2","6","1") = "5"
    & skf21("1","5","3","4","6","2","7","1") = "6"
    & skf21("1","5","3","4","6","3","1","1") = "5"
    & skf21("1","5","3","4","6","3","2","1") = "5"
    & skf21("1","5","3","4","6","3","3","1") = "5"
    & skf21("1","5","3","4","6","3","4","1") = "5"
    & skf21("1","5","3","4","6","3","5","1") = "5"
    & skf21("1","5","3","4","6","3","6","1") = "5"
    & skf21("1","5","3","4","6","3","7","1") = "6"
    & skf21("1","5","3","4","6","4","1","1") = "5"
    & skf21("1","5","3","4","6","4","2","1") = "5"
    & skf21("1","5","3","4","6","4","3","1") = "5"
    & skf21("1","5","3","4","6","4","4","1") = "5"
    & skf21("1","5","3","4","6","4","5","1") = "5"
    & skf21("1","5","3","4","6","4","6","1") = "5"
    & skf21("1","5","3","4","6","4","7","1") = "6"
    & skf21("1","5","3","4","6","5","1","1") = "5"
    & skf21("1","5","3","4","6","5","2","1") = "5"
    & skf21("1","5","3","4","6","5","3","1") = "5"
    & skf21("1","5","3","4","6","5","4","1") = "5"
    & skf21("1","5","3","4","6","5","5","1") = "5"
    & skf21("1","5","3","4","6","5","6","1") = "5"
    & skf21("1","5","3","4","6","5","7","1") = "6"
    & skf21("1","5","3","4","6","6","1","1") = "5"
    & skf21("1","5","3","4","6","6","2","1") = "5"
    & skf21("1","5","3","4","6","6","3","1") = "5"
    & skf21("1","5","3","4","6","6","4","1") = "5"
    & skf21("1","5","3","4","6","6","5","1") = "5"
    & skf21("1","5","3","4","6","6","6","1") = "5"
    & skf21("1","5","3","4","6","6","7","1") = "6"
    & skf21("1","5","3","4","6","7","1","1") = "6"
    & skf21("1","5","3","4","6","7","2","1") = "6"
    & skf21("1","5","3","4","6","7","3","1") = "6"
    & skf21("1","5","3","4","6","7","4","1") = "6"
    & skf21("1","5","3","4","6","7","5","1") = "6"
    & skf21("1","5","3","4","6","7","6","1") = "6"
    & skf21("1","5","3","4","6","7","7","1") = "6"
    & skf21("1","5","3","4","7","1","1","1") = "6"
    & skf21("1","5","3","4","7","1","2","1") = "6"
    & skf21("1","5","3","4","7","1","3","1") = "6"
    & skf21("1","5","3","4","7","1","4","1") = "6"
    & skf21("1","5","3","4","7","1","5","1") = "6"
    & skf21("1","5","3","4","7","1","6","1") = "6"
    & skf21("1","5","3","4","7","1","7","1") = "6"
    & skf21("1","5","3","4","7","2","1","1") = "6"
    & skf21("1","5","3","4","7","2","2","1") = "6"
    & skf21("1","5","3","4","7","2","3","1") = "6"
    & skf21("1","5","3","4","7","2","4","1") = "6"
    & skf21("1","5","3","4","7","2","5","1") = "6"
    & skf21("1","5","3","4","7","2","6","1") = "6"
    & skf21("1","5","3","4","7","2","7","1") = "6"
    & skf21("1","5","3","4","7","3","1","1") = "6"
    & skf21("1","5","3","4","7","3","2","1") = "6"
    & skf21("1","5","3","4","7","3","3","1") = "6"
    & skf21("1","5","3","4","7","3","4","1") = "6"
    & skf21("1","5","3","4","7","3","5","1") = "6"
    & skf21("1","5","3","4","7","3","6","1") = "6"
    & skf21("1","5","3","4","7","3","7","1") = "6"
    & skf21("1","5","3","4","7","4","1","1") = "6"
    & skf21("1","5","3","4","7","4","2","1") = "6"
    & skf21("1","5","3","4","7","4","3","1") = "6"
    & skf21("1","5","3","4","7","4","4","1") = "6"
    & skf21("1","5","3","4","7","4","5","1") = "6"
    & skf21("1","5","3","4","7","4","6","1") = "6"
    & skf21("1","5","3","4","7","4","7","1") = "6"
    & skf21("1","5","3","4","7","5","1","1") = "6"
    & skf21("1","5","3","4","7","5","2","1") = "6"
    & skf21("1","5","3","4","7","5","3","1") = "6"
    & skf21("1","5","3","4","7","5","4","1") = "6"
    & skf21("1","5","3","4","7","5","5","1") = "6"
    & skf21("1","5","3","4","7","5","6","1") = "6"
    & skf21("1","5","3","4","7","5","7","1") = "6"
    & skf21("1","5","3","4","7","6","1","1") = "6"
    & skf21("1","5","3","4","7","6","2","1") = "6"
    & skf21("1","5","3","4","7","6","3","1") = "6"
    & skf21("1","5","3","4","7","6","4","1") = "6"
    & skf21("1","5","3","4","7","6","5","1") = "6"
    & skf21("1","5","3","4","7","6","6","1") = "6"
    & skf21("1","5","3","4","7","6","7","1") = "6"
    & skf21("1","5","3","4","7","7","1","1") = "6"
    & skf21("1","5","3","4","7","7","2","1") = "6"
    & skf21("1","5","3","4","7","7","3","1") = "6"
    & skf21("1","5","3","4","7","7","4","1") = "6"
    & skf21("1","5","3","4","7","7","5","1") = "6"
    & skf21("1","5","3","4","7","7","6","1") = "6"
    & skf21("1","5","3","4","7","7","7","1") = "6"
    & skf21("1","5","3","5","1","1","1","1") = "4"
    & skf21("1","5","3","5","1","1","2","1") = "4"
    & skf21("1","5","3","5","1","1","3","1") = "4"
    & skf21("1","5","3","5","1","1","4","1") = "4"
    & skf21("1","5","3","5","1","1","5","1") = "4"
    & skf21("1","5","3","5","1","1","6","1") = "5"
    & skf21("1","5","3","5","1","1","7","1") = "6"
    & skf21("1","5","3","5","1","2","1","1") = "4"
    & skf21("1","5","3","5","1","2","2","1") = "4"
    & skf21("1","5","3","5","1","2","3","1") = "4"
    & skf21("1","5","3","5","1","2","4","1") = "4"
    & skf21("1","5","3","5","1","2","5","1") = "4"
    & skf21("1","5","3","5","1","2","6","1") = "5"
    & skf21("1","5","3","5","1","2","7","1") = "6"
    & skf21("1","5","3","5","1","3","1","1") = "4"
    & skf21("1","5","3","5","1","3","2","1") = "4"
    & skf21("1","5","3","5","1","3","3","1") = "4"
    & skf21("1","5","3","5","1","3","4","1") = "4"
    & skf21("1","5","3","5","1","3","5","1") = "4"
    & skf21("1","5","3","5","1","3","6","1") = "5"
    & skf21("1","5","3","5","1","3","7","1") = "6"
    & skf21("1","5","3","5","1","4","1","1") = "4"
    & skf21("1","5","3","5","1","4","2","1") = "4"
    & skf21("1","5","3","5","1","4","3","1") = "4"
    & skf21("1","5","3","5","1","4","4","1") = "4"
    & skf21("1","5","3","5","1","4","5","1") = "4"
    & skf21("1","5","3","5","1","4","6","1") = "5"
    & skf21("1","5","3","5","1","4","7","1") = "6"
    & skf21("1","5","3","5","1","5","1","1") = "4"
    & skf21("1","5","3","5","1","5","2","1") = "4"
    & skf21("1","5","3","5","1","5","3","1") = "4"
    & skf21("1","5","3","5","1","5","4","1") = "4"
    & skf21("1","5","3","5","1","5","5","1") = "4"
    & skf21("1","5","3","5","1","5","6","1") = "5"
    & skf21("1","5","3","5","1","5","7","1") = "6"
    & skf21("1","5","3","5","1","6","1","1") = "5"
    & skf21("1","5","3","5","1","6","2","1") = "5"
    & skf21("1","5","3","5","1","6","3","1") = "5"
    & skf21("1","5","3","5","1","6","4","1") = "5"
    & skf21("1","5","3","5","1","6","5","1") = "5"
    & skf21("1","5","3","5","1","6","6","1") = "5"
    & skf21("1","5","3","5","1","6","7","1") = "6"
    & skf21("1","5","3","5","1","7","1","1") = "6"
    & skf21("1","5","3","5","1","7","2","1") = "6"
    & skf21("1","5","3","5","1","7","3","1") = "6"
    & skf21("1","5","3","5","1","7","4","1") = "6"
    & skf21("1","5","3","5","1","7","5","1") = "6"
    & skf21("1","5","3","5","1","7","6","1") = "6"
    & skf21("1","5","3","5","1","7","7","1") = "6"
    & skf21("1","5","3","5","2","1","1","1") = "4"
    & skf21("1","5","3","5","2","1","2","1") = "4"
    & skf21("1","5","3","5","2","1","3","1") = "4"
    & skf21("1","5","3","5","2","1","4","1") = "4"
    & skf21("1","5","3","5","2","1","5","1") = "4"
    & skf21("1","5","3","5","2","1","6","1") = "5"
    & skf21("1","5","3","5","2","1","7","1") = "6"
    & skf21("1","5","3","5","2","2","1","1") = "4"
    & skf21("1","5","3","5","2","2","2","1") = "4"
    & skf21("1","5","3","5","2","2","3","1") = "4"
    & skf21("1","5","3","5","2","2","4","1") = "4"
    & skf21("1","5","3","5","2","2","5","1") = "4"
    & skf21("1","5","3","5","2","2","6","1") = "5"
    & skf21("1","5","3","5","2","2","7","1") = "6"
    & skf21("1","5","3","5","2","3","1","1") = "4"
    & skf21("1","5","3","5","2","3","2","1") = "4"
    & skf21("1","5","3","5","2","3","3","1") = "4"
    & skf21("1","5","3","5","2","3","4","1") = "4"
    & skf21("1","5","3","5","2","3","5","1") = "4"
    & skf21("1","5","3","5","2","3","6","1") = "5"
    & skf21("1","5","3","5","2","3","7","1") = "6"
    & skf21("1","5","3","5","2","4","1","1") = "4"
    & skf21("1","5","3","5","2","4","2","1") = "4"
    & skf21("1","5","3","5","2","4","3","1") = "4"
    & skf21("1","5","3","5","2","4","4","1") = "4"
    & skf21("1","5","3","5","2","4","5","1") = "4"
    & skf21("1","5","3","5","2","4","6","1") = "5"
    & skf21("1","5","3","5","2","4","7","1") = "6"
    & skf21("1","5","3","5","2","5","1","1") = "4"
    & skf21("1","5","3","5","2","5","2","1") = "4"
    & skf21("1","5","3","5","2","5","3","1") = "4"
    & skf21("1","5","3","5","2","5","4","1") = "4"
    & skf21("1","5","3","5","2","5","5","1") = "4"
    & skf21("1","5","3","5","2","5","6","1") = "5"
    & skf21("1","5","3","5","2","5","7","1") = "6"
    & skf21("1","5","3","5","2","6","1","1") = "5"
    & skf21("1","5","3","5","2","6","2","1") = "5"
    & skf21("1","5","3","5","2","6","3","1") = "5"
    & skf21("1","5","3","5","2","6","4","1") = "5"
    & skf21("1","5","3","5","2","6","5","1") = "5"
    & skf21("1","5","3","5","2","6","6","1") = "5"
    & skf21("1","5","3","5","2","6","7","1") = "6"
    & skf21("1","5","3","5","2","7","1","1") = "6"
    & skf21("1","5","3","5","2","7","2","1") = "6"
    & skf21("1","5","3","5","2","7","3","1") = "6"
    & skf21("1","5","3","5","2","7","4","1") = "6"
    & skf21("1","5","3","5","2","7","5","1") = "6"
    & skf21("1","5","3","5","2","7","6","1") = "6"
    & skf21("1","5","3","5","2","7","7","1") = "6"
    & skf21("1","5","3","5","3","1","1","1") = "4"
    & skf21("1","5","3","5","3","1","2","1") = "4"
    & skf21("1","5","3","5","3","1","3","1") = "4"
    & skf21("1","5","3","5","3","1","4","1") = "4"
    & skf21("1","5","3","5","3","1","5","1") = "4"
    & skf21("1","5","3","5","3","1","6","1") = "5"
    & skf21("1","5","3","5","3","1","7","1") = "6"
    & skf21("1","5","3","5","3","2","1","1") = "4"
    & skf21("1","5","3","5","3","2","2","1") = "4"
    & skf21("1","5","3","5","3","2","3","1") = "4"
    & skf21("1","5","3","5","3","2","4","1") = "4"
    & skf21("1","5","3","5","3","2","5","1") = "4"
    & skf21("1","5","3","5","3","2","6","1") = "5"
    & skf21("1","5","3","5","3","2","7","1") = "6"
    & skf21("1","5","3","5","3","3","1","1") = "4"
    & skf21("1","5","3","5","3","3","2","1") = "4"
    & skf21("1","5","3","5","3","3","3","1") = "4"
    & skf21("1","5","3","5","3","3","4","1") = "4"
    & skf21("1","5","3","5","3","3","5","1") = "4"
    & skf21("1","5","3","5","3","3","6","1") = "5"
    & skf21("1","5","3","5","3","3","7","1") = "6"
    & skf21("1","5","3","5","3","4","1","1") = "4"
    & skf21("1","5","3","5","3","4","2","1") = "4"
    & skf21("1","5","3","5","3","4","3","1") = "4"
    & skf21("1","5","3","5","3","4","4","1") = "4"
    & skf21("1","5","3","5","3","4","5","1") = "4"
    & skf21("1","5","3","5","3","4","6","1") = "5"
    & skf21("1","5","3","5","3","4","7","1") = "6"
    & skf21("1","5","3","5","3","5","1","1") = "4"
    & skf21("1","5","3","5","3","5","2","1") = "4"
    & skf21("1","5","3","5","3","5","3","1") = "4"
    & skf21("1","5","3","5","3","5","4","1") = "4"
    & skf21("1","5","3","5","3","5","5","1") = "4"
    & skf21("1","5","3","5","3","5","6","1") = "5"
    & skf21("1","5","3","5","3","5","7","1") = "6"
    & skf21("1","5","3","5","3","6","1","1") = "5"
    & skf21("1","5","3","5","3","6","2","1") = "5"
    & skf21("1","5","3","5","3","6","3","1") = "5"
    & skf21("1","5","3","5","3","6","4","1") = "5"
    & skf21("1","5","3","5","3","6","5","1") = "5"
    & skf21("1","5","3","5","3","6","6","1") = "5"
    & skf21("1","5","3","5","3","6","7","1") = "6"
    & skf21("1","5","3","5","3","7","1","1") = "6"
    & skf21("1","5","3","5","3","7","2","1") = "6"
    & skf21("1","5","3","5","3","7","3","1") = "6"
    & skf21("1","5","3","5","3","7","4","1") = "6"
    & skf21("1","5","3","5","3","7","5","1") = "6"
    & skf21("1","5","3","5","3","7","6","1") = "6"
    & skf21("1","5","3","5","3","7","7","1") = "6"
    & skf21("1","5","3","5","4","1","1","1") = "4"
    & skf21("1","5","3","5","4","1","2","1") = "4"
    & skf21("1","5","3","5","4","1","3","1") = "4"
    & skf21("1","5","3","5","4","1","4","1") = "4"
    & skf21("1","5","3","5","4","1","5","1") = "4"
    & skf21("1","5","3","5","4","1","6","1") = "5"
    & skf21("1","5","3","5","4","1","7","1") = "6"
    & skf21("1","5","3","5","4","2","1","1") = "4"
    & skf21("1","5","3","5","4","2","2","1") = "4"
    & skf21("1","5","3","5","4","2","3","1") = "4"
    & skf21("1","5","3","5","4","2","4","1") = "4"
    & skf21("1","5","3","5","4","2","5","1") = "4"
    & skf21("1","5","3","5","4","2","6","1") = "5"
    & skf21("1","5","3","5","4","2","7","1") = "6"
    & skf21("1","5","3","5","4","3","1","1") = "4"
    & skf21("1","5","3","5","4","3","2","1") = "4"
    & skf21("1","5","3","5","4","3","3","1") = "4"
    & skf21("1","5","3","5","4","3","4","1") = "4"
    & skf21("1","5","3","5","4","3","5","1") = "4"
    & skf21("1","5","3","5","4","3","6","1") = "5"
    & skf21("1","5","3","5","4","3","7","1") = "6"
    & skf21("1","5","3","5","4","4","1","1") = "4"
    & skf21("1","5","3","5","4","4","2","1") = "4"
    & skf21("1","5","3","5","4","4","3","1") = "4"
    & skf21("1","5","3","5","4","4","4","1") = "4"
    & skf21("1","5","3","5","4","4","5","1") = "4"
    & skf21("1","5","3","5","4","4","6","1") = "5"
    & skf21("1","5","3","5","4","4","7","1") = "6"
    & skf21("1","5","3","5","4","5","1","1") = "4"
    & skf21("1","5","3","5","4","5","2","1") = "4"
    & skf21("1","5","3","5","4","5","3","1") = "4"
    & skf21("1","5","3","5","4","5","4","1") = "4"
    & skf21("1","5","3","5","4","5","5","1") = "4"
    & skf21("1","5","3","5","4","5","6","1") = "5"
    & skf21("1","5","3","5","4","5","7","1") = "6"
    & skf21("1","5","3","5","4","6","1","1") = "5"
    & skf21("1","5","3","5","4","6","2","1") = "5"
    & skf21("1","5","3","5","4","6","3","1") = "5"
    & skf21("1","5","3","5","4","6","4","1") = "5"
    & skf21("1","5","3","5","4","6","5","1") = "5"
    & skf21("1","5","3","5","4","6","6","1") = "5"
    & skf21("1","5","3","5","4","6","7","1") = "6"
    & skf21("1","5","3","5","4","7","1","1") = "6"
    & skf21("1","5","3","5","4","7","2","1") = "6"
    & skf21("1","5","3","5","4","7","3","1") = "6"
    & skf21("1","5","3","5","4","7","4","1") = "6"
    & skf21("1","5","3","5","4","7","5","1") = "6"
    & skf21("1","5","3","5","4","7","6","1") = "6"
    & skf21("1","5","3","5","4","7","7","1") = "6"
    & skf21("1","5","3","5","5","1","1","1") = "4"
    & skf21("1","5","3","5","5","1","2","1") = "4"
    & skf21("1","5","3","5","5","1","3","1") = "4"
    & skf21("1","5","3","5","5","1","4","1") = "4"
    & skf21("1","5","3","5","5","1","5","1") = "4"
    & skf21("1","5","3","5","5","1","6","1") = "5"
    & skf21("1","5","3","5","5","1","7","1") = "6"
    & skf21("1","5","3","5","5","2","1","1") = "4"
    & skf21("1","5","3","5","5","2","2","1") = "4"
    & skf21("1","5","3","5","5","2","3","1") = "4"
    & skf21("1","5","3","5","5","2","4","1") = "4"
    & skf21("1","5","3","5","5","2","5","1") = "4"
    & skf21("1","5","3","5","5","2","6","1") = "5"
    & skf21("1","5","3","5","5","2","7","1") = "6"
    & skf21("1","5","3","5","5","3","1","1") = "4"
    & skf21("1","5","3","5","5","3","2","1") = "4"
    & skf21("1","5","3","5","5","3","3","1") = "4"
    & skf21("1","5","3","5","5","3","4","1") = "4"
    & skf21("1","5","3","5","5","3","5","1") = "4"
    & skf21("1","5","3","5","5","3","6","1") = "5"
    & skf21("1","5","3","5","5","3","7","1") = "6"
    & skf21("1","5","3","5","5","4","1","1") = "4"
    & skf21("1","5","3","5","5","4","2","1") = "4"
    & skf21("1","5","3","5","5","4","3","1") = "4"
    & skf21("1","5","3","5","5","4","4","1") = "4"
    & skf21("1","5","3","5","5","4","5","1") = "4"
    & skf21("1","5","3","5","5","4","6","1") = "5"
    & skf21("1","5","3","5","5","4","7","1") = "6"
    & skf21("1","5","3","5","5","5","1","1") = "4"
    & skf21("1","5","3","5","5","5","2","1") = "4"
    & skf21("1","5","3","5","5","5","3","1") = "4"
    & skf21("1","5","3","5","5","5","4","1") = "4"
    & skf21("1","5","3","5","5","5","5","1") = "4"
    & skf21("1","5","3","5","5","5","6","1") = "5"
    & skf21("1","5","3","5","5","5","7","1") = "6"
    & skf21("1","5","3","5","5","6","1","1") = "5"
    & skf21("1","5","3","5","5","6","2","1") = "5"
    & skf21("1","5","3","5","5","6","3","1") = "5"
    & skf21("1","5","3","5","5","6","4","1") = "5"
    & skf21("1","5","3","5","5","6","5","1") = "5"
    & skf21("1","5","3","5","5","6","6","1") = "5"
    & skf21("1","5","3","5","5","6","7","1") = "6"
    & skf21("1","5","3","5","5","7","1","1") = "6"
    & skf21("1","5","3","5","5","7","2","1") = "6"
    & skf21("1","5","3","5","5","7","3","1") = "6"
    & skf21("1","5","3","5","5","7","4","1") = "6"
    & skf21("1","5","3","5","5","7","5","1") = "6"
    & skf21("1","5","3","5","5","7","6","1") = "6"
    & skf21("1","5","3","5","5","7","7","1") = "6"
    & skf21("1","5","3","5","6","1","1","1") = "5"
    & skf21("1","5","3","5","6","1","2","1") = "5"
    & skf21("1","5","3","5","6","1","3","1") = "5"
    & skf21("1","5","3","5","6","1","4","1") = "5"
    & skf21("1","5","3","5","6","1","5","1") = "5"
    & skf21("1","5","3","5","6","1","6","1") = "5"
    & skf21("1","5","3","5","6","1","7","1") = "6"
    & skf21("1","5","3","5","6","2","1","1") = "5"
    & skf21("1","5","3","5","6","2","2","1") = "5"
    & skf21("1","5","3","5","6","2","3","1") = "5"
    & skf21("1","5","3","5","6","2","4","1") = "5"
    & skf21("1","5","3","5","6","2","5","1") = "5"
    & skf21("1","5","3","5","6","2","6","1") = "5"
    & skf21("1","5","3","5","6","2","7","1") = "6"
    & skf21("1","5","3","5","6","3","1","1") = "5"
    & skf21("1","5","3","5","6","3","2","1") = "5"
    & skf21("1","5","3","5","6","3","3","1") = "5"
    & skf21("1","5","3","5","6","3","4","1") = "5"
    & skf21("1","5","3","5","6","3","5","1") = "5"
    & skf21("1","5","3","5","6","3","6","1") = "5"
    & skf21("1","5","3","5","6","3","7","1") = "6"
    & skf21("1","5","3","5","6","4","1","1") = "5"
    & skf21("1","5","3","5","6","4","2","1") = "5"
    & skf21("1","5","3","5","6","4","3","1") = "5"
    & skf21("1","5","3","5","6","4","4","1") = "5"
    & skf21("1","5","3","5","6","4","5","1") = "5"
    & skf21("1","5","3","5","6","4","6","1") = "5"
    & skf21("1","5","3","5","6","4","7","1") = "6"
    & skf21("1","5","3","5","6","5","1","1") = "5"
    & skf21("1","5","3","5","6","5","2","1") = "5"
    & skf21("1","5","3","5","6","5","3","1") = "5"
    & skf21("1","5","3","5","6","5","4","1") = "5"
    & skf21("1","5","3","5","6","5","5","1") = "5"
    & skf21("1","5","3","5","6","5","6","1") = "5"
    & skf21("1","5","3","5","6","5","7","1") = "6"
    & skf21("1","5","3","5","6","6","1","1") = "5"
    & skf21("1","5","3","5","6","6","2","1") = "5"
    & skf21("1","5","3","5","6","6","3","1") = "5"
    & skf21("1","5","3","5","6","6","4","1") = "5"
    & skf21("1","5","3","5","6","6","5","1") = "5"
    & skf21("1","5","3","5","6","6","6","1") = "5"
    & skf21("1","5","3","5","6","6","7","1") = "6"
    & skf21("1","5","3","5","6","7","1","1") = "6"
    & skf21("1","5","3","5","6","7","2","1") = "6"
    & skf21("1","5","3","5","6","7","3","1") = "6"
    & skf21("1","5","3","5","6","7","4","1") = "6"
    & skf21("1","5","3","5","6","7","5","1") = "6"
    & skf21("1","5","3","5","6","7","6","1") = "6"
    & skf21("1","5","3","5","6","7","7","1") = "6"
    & skf21("1","5","3","5","7","1","1","1") = "6"
    & skf21("1","5","3","5","7","1","2","1") = "6"
    & skf21("1","5","3","5","7","1","3","1") = "6"
    & skf21("1","5","3","5","7","1","4","1") = "6"
    & skf21("1","5","3","5","7","1","5","1") = "6"
    & skf21("1","5","3","5","7","1","6","1") = "6"
    & skf21("1","5","3","5","7","1","7","1") = "6"
    & skf21("1","5","3","5","7","2","1","1") = "6"
    & skf21("1","5","3","5","7","2","2","1") = "6"
    & skf21("1","5","3","5","7","2","3","1") = "6"
    & skf21("1","5","3","5","7","2","4","1") = "6"
    & skf21("1","5","3","5","7","2","5","1") = "6"
    & skf21("1","5","3","5","7","2","6","1") = "6"
    & skf21("1","5","3","5","7","2","7","1") = "6"
    & skf21("1","5","3","5","7","3","1","1") = "6"
    & skf21("1","5","3","5","7","3","2","1") = "6"
    & skf21("1","5","3","5","7","3","3","1") = "6"
    & skf21("1","5","3","5","7","3","4","1") = "6"
    & skf21("1","5","3","5","7","3","5","1") = "6"
    & skf21("1","5","3","5","7","3","6","1") = "6"
    & skf21("1","5","3","5","7","3","7","1") = "6"
    & skf21("1","5","3","5","7","4","1","1") = "6"
    & skf21("1","5","3","5","7","4","2","1") = "6"
    & skf21("1","5","3","5","7","4","3","1") = "6"
    & skf21("1","5","3","5","7","4","4","1") = "6"
    & skf21("1","5","3","5","7","4","5","1") = "6"
    & skf21("1","5","3","5","7","4","6","1") = "6"
    & skf21("1","5","3","5","7","4","7","1") = "6"
    & skf21("1","5","3","5","7","5","1","1") = "6"
    & skf21("1","5","3","5","7","5","2","1") = "6"
    & skf21("1","5","3","5","7","5","3","1") = "6"
    & skf21("1","5","3","5","7","5","4","1") = "6"
    & skf21("1","5","3","5","7","5","5","1") = "6"
    & skf21("1","5","3","5","7","5","6","1") = "6"
    & skf21("1","5","3","5","7","5","7","1") = "6"
    & skf21("1","5","3","5","7","6","1","1") = "6"
    & skf21("1","5","3","5","7","6","2","1") = "6"
    & skf21("1","5","3","5","7","6","3","1") = "6"
    & skf21("1","5","3","5","7","6","4","1") = "6"
    & skf21("1","5","3","5","7","6","5","1") = "6"
    & skf21("1","5","3","5","7","6","6","1") = "6"
    & skf21("1","5","3","5","7","6","7","1") = "6"
    & skf21("1","5","3","5","7","7","1","1") = "6"
    & skf21("1","5","3","5","7","7","2","1") = "6"
    & skf21("1","5","3","5","7","7","3","1") = "6"
    & skf21("1","5","3","5","7","7","4","1") = "6"
    & skf21("1","5","3","5","7","7","5","1") = "6"
    & skf21("1","5","3","5","7","7","6","1") = "6"
    & skf21("1","5","3","5","7","7","7","1") = "6"
    & skf21("1","5","3","6","1","1","1","1") = "5"
    & skf21("1","5","3","6","1","1","2","1") = "5"
    & skf21("1","5","3","6","1","1","3","1") = "5"
    & skf21("1","5","3","6","1","1","4","1") = "5"
    & skf21("1","5","3","6","1","1","5","1") = "5"
    & skf21("1","5","3","6","1","1","6","1") = "5"
    & skf21("1","5","3","6","1","1","7","1") = "6"
    & skf21("1","5","3","6","1","2","1","1") = "5"
    & skf21("1","5","3","6","1","2","2","1") = "5"
    & skf21("1","5","3","6","1","2","3","1") = "5"
    & skf21("1","5","3","6","1","2","4","1") = "5"
    & skf21("1","5","3","6","1","2","5","1") = "5"
    & skf21("1","5","3","6","1","2","6","1") = "5"
    & skf21("1","5","3","6","1","2","7","1") = "6"
    & skf21("1","5","3","6","1","3","1","1") = "5"
    & skf21("1","5","3","6","1","3","2","1") = "5"
    & skf21("1","5","3","6","1","3","3","1") = "5"
    & skf21("1","5","3","6","1","3","4","1") = "5"
    & skf21("1","5","3","6","1","3","5","1") = "5"
    & skf21("1","5","3","6","1","3","6","1") = "5"
    & skf21("1","5","3","6","1","3","7","1") = "6"
    & skf21("1","5","3","6","1","4","1","1") = "5"
    & skf21("1","5","3","6","1","4","2","1") = "5"
    & skf21("1","5","3","6","1","4","3","1") = "5"
    & skf21("1","5","3","6","1","4","4","1") = "5"
    & skf21("1","5","3","6","1","4","5","1") = "5"
    & skf21("1","5","3","6","1","4","6","1") = "5"
    & skf21("1","5","3","6","1","4","7","1") = "6"
    & skf21("1","5","3","6","1","5","1","1") = "5"
    & skf21("1","5","3","6","1","5","2","1") = "5"
    & skf21("1","5","3","6","1","5","3","1") = "5"
    & skf21("1","5","3","6","1","5","4","1") = "5"
    & skf21("1","5","3","6","1","5","5","1") = "5"
    & skf21("1","5","3","6","1","5","6","1") = "5"
    & skf21("1","5","3","6","1","5","7","1") = "6"
    & skf21("1","5","3","6","1","6","1","1") = "5"
    & skf21("1","5","3","6","1","6","2","1") = "5"
    & skf21("1","5","3","6","1","6","3","1") = "5"
    & skf21("1","5","3","6","1","6","4","1") = "5"
    & skf21("1","5","3","6","1","6","5","1") = "5"
    & skf21("1","5","3","6","1","6","6","1") = "5"
    & skf21("1","5","3","6","1","6","7","1") = "6"
    & skf21("1","5","3","6","1","7","1","1") = "6"
    & skf21("1","5","3","6","1","7","2","1") = "6"
    & skf21("1","5","3","6","1","7","3","1") = "6"
    & skf21("1","5","3","6","1","7","4","1") = "6"
    & skf21("1","5","3","6","1","7","5","1") = "6"
    & skf21("1","5","3","6","1","7","6","1") = "6"
    & skf21("1","5","3","6","1","7","7","1") = "6"
    & skf21("1","5","3","6","2","1","1","1") = "5"
    & skf21("1","5","3","6","2","1","2","1") = "5"
    & skf21("1","5","3","6","2","1","3","1") = "5"
    & skf21("1","5","3","6","2","1","4","1") = "5"
    & skf21("1","5","3","6","2","1","5","1") = "5"
    & skf21("1","5","3","6","2","1","6","1") = "5"
    & skf21("1","5","3","6","2","1","7","1") = "6"
    & skf21("1","5","3","6","2","2","1","1") = "5"
    & skf21("1","5","3","6","2","2","2","1") = "5"
    & skf21("1","5","3","6","2","2","3","1") = "5"
    & skf21("1","5","3","6","2","2","4","1") = "5"
    & skf21("1","5","3","6","2","2","5","1") = "5"
    & skf21("1","5","3","6","2","2","6","1") = "5"
    & skf21("1","5","3","6","2","2","7","1") = "6"
    & skf21("1","5","3","6","2","3","1","1") = "5"
    & skf21("1","5","3","6","2","3","2","1") = "5"
    & skf21("1","5","3","6","2","3","3","1") = "5"
    & skf21("1","5","3","6","2","3","4","1") = "5"
    & skf21("1","5","3","6","2","3","5","1") = "5"
    & skf21("1","5","3","6","2","3","6","1") = "5"
    & skf21("1","5","3","6","2","3","7","1") = "6"
    & skf21("1","5","3","6","2","4","1","1") = "5"
    & skf21("1","5","3","6","2","4","2","1") = "5"
    & skf21("1","5","3","6","2","4","3","1") = "5"
    & skf21("1","5","3","6","2","4","4","1") = "5"
    & skf21("1","5","3","6","2","4","5","1") = "5"
    & skf21("1","5","3","6","2","4","6","1") = "5"
    & skf21("1","5","3","6","2","4","7","1") = "6"
    & skf21("1","5","3","6","2","5","1","1") = "5"
    & skf21("1","5","3","6","2","5","2","1") = "5"
    & skf21("1","5","3","6","2","5","3","1") = "5"
    & skf21("1","5","3","6","2","5","4","1") = "5"
    & skf21("1","5","3","6","2","5","5","1") = "5"
    & skf21("1","5","3","6","2","5","6","1") = "5"
    & skf21("1","5","3","6","2","5","7","1") = "6"
    & skf21("1","5","3","6","2","6","1","1") = "5"
    & skf21("1","5","3","6","2","6","2","1") = "5"
    & skf21("1","5","3","6","2","6","3","1") = "5"
    & skf21("1","5","3","6","2","6","4","1") = "5"
    & skf21("1","5","3","6","2","6","5","1") = "5"
    & skf21("1","5","3","6","2","6","6","1") = "5"
    & skf21("1","5","3","6","2","6","7","1") = "6"
    & skf21("1","5","3","6","2","7","1","1") = "6"
    & skf21("1","5","3","6","2","7","2","1") = "6"
    & skf21("1","5","3","6","2","7","3","1") = "6"
    & skf21("1","5","3","6","2","7","4","1") = "6"
    & skf21("1","5","3","6","2","7","5","1") = "6"
    & skf21("1","5","3","6","2","7","6","1") = "6"
    & skf21("1","5","3","6","2","7","7","1") = "6"
    & skf21("1","5","3","6","3","1","1","1") = "5"
    & skf21("1","5","3","6","3","1","2","1") = "5"
    & skf21("1","5","3","6","3","1","3","1") = "5"
    & skf21("1","5","3","6","3","1","4","1") = "5"
    & skf21("1","5","3","6","3","1","5","1") = "5"
    & skf21("1","5","3","6","3","1","6","1") = "5"
    & skf21("1","5","3","6","3","1","7","1") = "6"
    & skf21("1","5","3","6","3","2","1","1") = "5"
    & skf21("1","5","3","6","3","2","2","1") = "5"
    & skf21("1","5","3","6","3","2","3","1") = "5"
    & skf21("1","5","3","6","3","2","4","1") = "5"
    & skf21("1","5","3","6","3","2","5","1") = "5"
    & skf21("1","5","3","6","3","2","6","1") = "5"
    & skf21("1","5","3","6","3","2","7","1") = "6"
    & skf21("1","5","3","6","3","3","1","1") = "5"
    & skf21("1","5","3","6","3","3","2","1") = "5"
    & skf21("1","5","3","6","3","3","3","1") = "5"
    & skf21("1","5","3","6","3","3","4","1") = "5"
    & skf21("1","5","3","6","3","3","5","1") = "5"
    & skf21("1","5","3","6","3","3","6","1") = "5"
    & skf21("1","5","3","6","3","3","7","1") = "6"
    & skf21("1","5","3","6","3","4","1","1") = "5"
    & skf21("1","5","3","6","3","4","2","1") = "5"
    & skf21("1","5","3","6","3","4","3","1") = "5"
    & skf21("1","5","3","6","3","4","4","1") = "5"
    & skf21("1","5","3","6","3","4","5","1") = "5"
    & skf21("1","5","3","6","3","4","6","1") = "5"
    & skf21("1","5","3","6","3","4","7","1") = "6"
    & skf21("1","5","3","6","3","5","1","1") = "5"
    & skf21("1","5","3","6","3","5","2","1") = "5"
    & skf21("1","5","3","6","3","5","3","1") = "5"
    & skf21("1","5","3","6","3","5","4","1") = "5"
    & skf21("1","5","3","6","3","5","5","1") = "5"
    & skf21("1","5","3","6","3","5","6","1") = "5"
    & skf21("1","5","3","6","3","5","7","1") = "6"
    & skf21("1","5","3","6","3","6","1","1") = "5"
    & skf21("1","5","3","6","3","6","2","1") = "5"
    & skf21("1","5","3","6","3","6","3","1") = "5"
    & skf21("1","5","3","6","3","6","4","1") = "5"
    & skf21("1","5","3","6","3","6","5","1") = "5"
    & skf21("1","5","3","6","3","6","6","1") = "5"
    & skf21("1","5","3","6","3","6","7","1") = "6"
    & skf21("1","5","3","6","3","7","1","1") = "6"
    & skf21("1","5","3","6","3","7","2","1") = "6"
    & skf21("1","5","3","6","3","7","3","1") = "6"
    & skf21("1","5","3","6","3","7","4","1") = "6"
    & skf21("1","5","3","6","3","7","5","1") = "6"
    & skf21("1","5","3","6","3","7","6","1") = "6"
    & skf21("1","5","3","6","3","7","7","1") = "6"
    & skf21("1","5","3","6","4","1","1","1") = "5"
    & skf21("1","5","3","6","4","1","2","1") = "5"
    & skf21("1","5","3","6","4","1","3","1") = "5"
    & skf21("1","5","3","6","4","1","4","1") = "5"
    & skf21("1","5","3","6","4","1","5","1") = "5"
    & skf21("1","5","3","6","4","1","6","1") = "5"
    & skf21("1","5","3","6","4","1","7","1") = "6"
    & skf21("1","5","3","6","4","2","1","1") = "5"
    & skf21("1","5","3","6","4","2","2","1") = "5"
    & skf21("1","5","3","6","4","2","3","1") = "5"
    & skf21("1","5","3","6","4","2","4","1") = "5"
    & skf21("1","5","3","6","4","2","5","1") = "5"
    & skf21("1","5","3","6","4","2","6","1") = "5"
    & skf21("1","5","3","6","4","2","7","1") = "6"
    & skf21("1","5","3","6","4","3","1","1") = "5"
    & skf21("1","5","3","6","4","3","2","1") = "5"
    & skf21("1","5","3","6","4","3","3","1") = "5"
    & skf21("1","5","3","6","4","3","4","1") = "5"
    & skf21("1","5","3","6","4","3","5","1") = "5"
    & skf21("1","5","3","6","4","3","6","1") = "5"
    & skf21("1","5","3","6","4","3","7","1") = "6"
    & skf21("1","5","3","6","4","4","1","1") = "5"
    & skf21("1","5","3","6","4","4","2","1") = "5"
    & skf21("1","5","3","6","4","4","3","1") = "5"
    & skf21("1","5","3","6","4","4","4","1") = "5"
    & skf21("1","5","3","6","4","4","5","1") = "5"
    & skf21("1","5","3","6","4","4","6","1") = "5"
    & skf21("1","5","3","6","4","4","7","1") = "6"
    & skf21("1","5","3","6","4","5","1","1") = "5"
    & skf21("1","5","3","6","4","5","2","1") = "5"
    & skf21("1","5","3","6","4","5","3","1") = "5"
    & skf21("1","5","3","6","4","5","4","1") = "5"
    & skf21("1","5","3","6","4","5","5","1") = "5"
    & skf21("1","5","3","6","4","5","6","1") = "5"
    & skf21("1","5","3","6","4","5","7","1") = "6"
    & skf21("1","5","3","6","4","6","1","1") = "5"
    & skf21("1","5","3","6","4","6","2","1") = "5"
    & skf21("1","5","3","6","4","6","3","1") = "5"
    & skf21("1","5","3","6","4","6","4","1") = "5"
    & skf21("1","5","3","6","4","6","5","1") = "5"
    & skf21("1","5","3","6","4","6","6","1") = "5"
    & skf21("1","5","3","6","4","6","7","1") = "6"
    & skf21("1","5","3","6","4","7","1","1") = "6"
    & skf21("1","5","3","6","4","7","2","1") = "6"
    & skf21("1","5","3","6","4","7","3","1") = "6"
    & skf21("1","5","3","6","4","7","4","1") = "6"
    & skf21("1","5","3","6","4","7","5","1") = "6"
    & skf21("1","5","3","6","4","7","6","1") = "6"
    & skf21("1","5","3","6","4","7","7","1") = "6"
    & skf21("1","5","3","6","5","1","1","1") = "5"
    & skf21("1","5","3","6","5","1","2","1") = "5"
    & skf21("1","5","3","6","5","1","3","1") = "5"
    & skf21("1","5","3","6","5","1","4","1") = "5"
    & skf21("1","5","3","6","5","1","5","1") = "5"
    & skf21("1","5","3","6","5","1","6","1") = "5"
    & skf21("1","5","3","6","5","1","7","1") = "6"
    & skf21("1","5","3","6","5","2","1","1") = "5"
    & skf21("1","5","3","6","5","2","2","1") = "5"
    & skf21("1","5","3","6","5","2","3","1") = "5"
    & skf21("1","5","3","6","5","2","4","1") = "5"
    & skf21("1","5","3","6","5","2","5","1") = "5"
    & skf21("1","5","3","6","5","2","6","1") = "5"
    & skf21("1","5","3","6","5","2","7","1") = "6"
    & skf21("1","5","3","6","5","3","1","1") = "5"
    & skf21("1","5","3","6","5","3","2","1") = "5"
    & skf21("1","5","3","6","5","3","3","1") = "5"
    & skf21("1","5","3","6","5","3","4","1") = "5"
    & skf21("1","5","3","6","5","3","5","1") = "5"
    & skf21("1","5","3","6","5","3","6","1") = "5"
    & skf21("1","5","3","6","5","3","7","1") = "6"
    & skf21("1","5","3","6","5","4","1","1") = "5"
    & skf21("1","5","3","6","5","4","2","1") = "5"
    & skf21("1","5","3","6","5","4","3","1") = "5"
    & skf21("1","5","3","6","5","4","4","1") = "5"
    & skf21("1","5","3","6","5","4","5","1") = "5"
    & skf21("1","5","3","6","5","4","6","1") = "5"
    & skf21("1","5","3","6","5","4","7","1") = "6"
    & skf21("1","5","3","6","5","5","1","1") = "5"
    & skf21("1","5","3","6","5","5","2","1") = "5"
    & skf21("1","5","3","6","5","5","3","1") = "5"
    & skf21("1","5","3","6","5","5","4","1") = "5"
    & skf21("1","5","3","6","5","5","5","1") = "5"
    & skf21("1","5","3","6","5","5","6","1") = "5"
    & skf21("1","5","3","6","5","5","7","1") = "6"
    & skf21("1","5","3","6","5","6","1","1") = "5"
    & skf21("1","5","3","6","5","6","2","1") = "5"
    & skf21("1","5","3","6","5","6","3","1") = "5"
    & skf21("1","5","3","6","5","6","4","1") = "5"
    & skf21("1","5","3","6","5","6","5","1") = "5"
    & skf21("1","5","3","6","5","6","6","1") = "5"
    & skf21("1","5","3","6","5","6","7","1") = "6"
    & skf21("1","5","3","6","5","7","1","1") = "6"
    & skf21("1","5","3","6","5","7","2","1") = "6"
    & skf21("1","5","3","6","5","7","3","1") = "6"
    & skf21("1","5","3","6","5","7","4","1") = "6"
    & skf21("1","5","3","6","5","7","5","1") = "6"
    & skf21("1","5","3","6","5","7","6","1") = "6"
    & skf21("1","5","3","6","5","7","7","1") = "6"
    & skf21("1","5","3","6","6","1","1","1") = "5"
    & skf21("1","5","3","6","6","1","2","1") = "5"
    & skf21("1","5","3","6","6","1","3","1") = "5"
    & skf21("1","5","3","6","6","1","4","1") = "5"
    & skf21("1","5","3","6","6","1","5","1") = "5"
    & skf21("1","5","3","6","6","1","6","1") = "5"
    & skf21("1","5","3","6","6","1","7","1") = "6"
    & skf21("1","5","3","6","6","2","1","1") = "5"
    & skf21("1","5","3","6","6","2","2","1") = "5"
    & skf21("1","5","3","6","6","2","3","1") = "5"
    & skf21("1","5","3","6","6","2","4","1") = "5"
    & skf21("1","5","3","6","6","2","5","1") = "5"
    & skf21("1","5","3","6","6","2","6","1") = "5"
    & skf21("1","5","3","6","6","2","7","1") = "6"
    & skf21("1","5","3","6","6","3","1","1") = "5"
    & skf21("1","5","3","6","6","3","2","1") = "5"
    & skf21("1","5","3","6","6","3","3","1") = "5"
    & skf21("1","5","3","6","6","3","4","1") = "5"
    & skf21("1","5","3","6","6","3","5","1") = "5"
    & skf21("1","5","3","6","6","3","6","1") = "5"
    & skf21("1","5","3","6","6","3","7","1") = "6"
    & skf21("1","5","3","6","6","4","1","1") = "5"
    & skf21("1","5","3","6","6","4","2","1") = "5"
    & skf21("1","5","3","6","6","4","3","1") = "5"
    & skf21("1","5","3","6","6","4","4","1") = "5"
    & skf21("1","5","3","6","6","4","5","1") = "5"
    & skf21("1","5","3","6","6","4","6","1") = "5"
    & skf21("1","5","3","6","6","4","7","1") = "6"
    & skf21("1","5","3","6","6","5","1","1") = "5"
    & skf21("1","5","3","6","6","5","2","1") = "5"
    & skf21("1","5","3","6","6","5","3","1") = "5"
    & skf21("1","5","3","6","6","5","4","1") = "5"
    & skf21("1","5","3","6","6","5","5","1") = "5"
    & skf21("1","5","3","6","6","5","6","1") = "5"
    & skf21("1","5","3","6","6","5","7","1") = "6"
    & skf21("1","5","3","6","6","6","1","1") = "5"
    & skf21("1","5","3","6","6","6","2","1") = "5"
    & skf21("1","5","3","6","6","6","3","1") = "5"
    & skf21("1","5","3","6","6","6","4","1") = "5"
    & skf21("1","5","3","6","6","6","5","1") = "5"
    & skf21("1","5","3","6","6","6","6","1") = "5"
    & skf21("1","5","3","6","6","6","7","1") = "6"
    & skf21("1","5","3","6","6","7","1","1") = "6"
    & skf21("1","5","3","6","6","7","2","1") = "6"
    & skf21("1","5","3","6","6","7","3","1") = "6"
    & skf21("1","5","3","6","6","7","4","1") = "6"
    & skf21("1","5","3","6","6","7","5","1") = "6"
    & skf21("1","5","3","6","6","7","6","1") = "6"
    & skf21("1","5","3","6","6","7","7","1") = "6"
    & skf21("1","5","3","6","7","1","1","1") = "6"
    & skf21("1","5","3","6","7","1","2","1") = "6"
    & skf21("1","5","3","6","7","1","3","1") = "6"
    & skf21("1","5","3","6","7","1","4","1") = "6"
    & skf21("1","5","3","6","7","1","5","1") = "6"
    & skf21("1","5","3","6","7","1","6","1") = "6"
    & skf21("1","5","3","6","7","1","7","1") = "6"
    & skf21("1","5","3","6","7","2","1","1") = "6"
    & skf21("1","5","3","6","7","2","2","1") = "6"
    & skf21("1","5","3","6","7","2","3","1") = "6"
    & skf21("1","5","3","6","7","2","4","1") = "6"
    & skf21("1","5","3","6","7","2","5","1") = "6"
    & skf21("1","5","3","6","7","2","6","1") = "6"
    & skf21("1","5","3","6","7","2","7","1") = "6"
    & skf21("1","5","3","6","7","3","1","1") = "6"
    & skf21("1","5","3","6","7","3","2","1") = "6"
    & skf21("1","5","3","6","7","3","3","1") = "6"
    & skf21("1","5","3","6","7","3","4","1") = "6"
    & skf21("1","5","3","6","7","3","5","1") = "6"
    & skf21("1","5","3","6","7","3","6","1") = "6"
    & skf21("1","5","3","6","7","3","7","1") = "6"
    & skf21("1","5","3","6","7","4","1","1") = "6"
    & skf21("1","5","3","6","7","4","2","1") = "6"
    & skf21("1","5","3","6","7","4","3","1") = "6"
    & skf21("1","5","3","6","7","4","4","1") = "6"
    & skf21("1","5","3","6","7","4","5","1") = "6"
    & skf21("1","5","3","6","7","4","6","1") = "6"
    & skf21("1","5","3","6","7","4","7","1") = "6"
    & skf21("1","5","3","6","7","5","1","1") = "6"
    & skf21("1","5","3","6","7","5","2","1") = "6"
    & skf21("1","5","3","6","7","5","3","1") = "6"
    & skf21("1","5","3","6","7","5","4","1") = "6"
    & skf21("1","5","3","6","7","5","5","1") = "6"
    & skf21("1","5","3","6","7","5","6","1") = "6"
    & skf21("1","5","3","6","7","5","7","1") = "6"
    & skf21("1","5","3","6","7","6","1","1") = "6"
    & skf21("1","5","3","6","7","6","2","1") = "6"
    & skf21("1","5","3","6","7","6","3","1") = "6"
    & skf21("1","5","3","6","7","6","4","1") = "6"
    & skf21("1","5","3","6","7","6","5","1") = "6"
    & skf21("1","5","3","6","7","6","6","1") = "6"
    & skf21("1","5","3","6","7","6","7","1") = "6"
    & skf21("1","5","3","6","7","7","1","1") = "6"
    & skf21("1","5","3","6","7","7","2","1") = "6"
    & skf21("1","5","3","6","7","7","3","1") = "6"
    & skf21("1","5","3","6","7","7","4","1") = "6"
    & skf21("1","5","3","6","7","7","5","1") = "6"
    & skf21("1","5","3","6","7","7","6","1") = "6"
    & skf21("1","5","3","6","7","7","7","1") = "6"
    & skf21("1","5","3","7","1","1","1","1") = "6"
    & skf21("1","5","3","7","1","1","2","1") = "6"
    & skf21("1","5","3","7","1","1","3","1") = "6"
    & skf21("1","5","3","7","1","1","4","1") = "6"
    & skf21("1","5","3","7","1","1","5","1") = "6"
    & skf21("1","5","3","7","1","1","6","1") = "6"
    & skf21("1","5","3","7","1","1","7","1") = "6"
    & skf21("1","5","3","7","1","2","1","1") = "6"
    & skf21("1","5","3","7","1","2","2","1") = "6"
    & skf21("1","5","3","7","1","2","3","1") = "6"
    & skf21("1","5","3","7","1","2","4","1") = "6"
    & skf21("1","5","3","7","1","2","5","1") = "6"
    & skf21("1","5","3","7","1","2","6","1") = "6"
    & skf21("1","5","3","7","1","2","7","1") = "6"
    & skf21("1","5","3","7","1","3","1","1") = "6"
    & skf21("1","5","3","7","1","3","2","1") = "6"
    & skf21("1","5","3","7","1","3","3","1") = "6"
    & skf21("1","5","3","7","1","3","4","1") = "6"
    & skf21("1","5","3","7","1","3","5","1") = "6"
    & skf21("1","5","3","7","1","3","6","1") = "6"
    & skf21("1","5","3","7","1","3","7","1") = "6"
    & skf21("1","5","3","7","1","4","1","1") = "6"
    & skf21("1","5","3","7","1","4","2","1") = "6"
    & skf21("1","5","3","7","1","4","3","1") = "6"
    & skf21("1","5","3","7","1","4","4","1") = "6"
    & skf21("1","5","3","7","1","4","5","1") = "6"
    & skf21("1","5","3","7","1","4","6","1") = "6"
    & skf21("1","5","3","7","1","4","7","1") = "6"
    & skf21("1","5","3","7","1","5","1","1") = "6"
    & skf21("1","5","3","7","1","5","2","1") = "6"
    & skf21("1","5","3","7","1","5","3","1") = "6"
    & skf21("1","5","3","7","1","5","4","1") = "6"
    & skf21("1","5","3","7","1","5","5","1") = "6"
    & skf21("1","5","3","7","1","5","6","1") = "6"
    & skf21("1","5","3","7","1","5","7","1") = "6"
    & skf21("1","5","3","7","1","6","1","1") = "6"
    & skf21("1","5","3","7","1","6","2","1") = "6"
    & skf21("1","5","3","7","1","6","3","1") = "6"
    & skf21("1","5","3","7","1","6","4","1") = "6"
    & skf21("1","5","3","7","1","6","5","1") = "6"
    & skf21("1","5","3","7","1","6","6","1") = "6"
    & skf21("1","5","3","7","1","6","7","1") = "6"
    & skf21("1","5","3","7","1","7","1","1") = "6"
    & skf21("1","5","3","7","1","7","2","1") = "6"
    & skf21("1","5","3","7","1","7","3","1") = "6"
    & skf21("1","5","3","7","1","7","4","1") = "6"
    & skf21("1","5","3","7","1","7","5","1") = "6"
    & skf21("1","5","3","7","1","7","6","1") = "6"
    & skf21("1","5","3","7","1","7","7","1") = "6"
    & skf21("1","5","3","7","2","1","1","1") = "6"
    & skf21("1","5","3","7","2","1","2","1") = "6"
    & skf21("1","5","3","7","2","1","3","1") = "6"
    & skf21("1","5","3","7","2","1","4","1") = "6"
    & skf21("1","5","3","7","2","1","5","1") = "6"
    & skf21("1","5","3","7","2","1","6","1") = "6"
    & skf21("1","5","3","7","2","1","7","1") = "6"
    & skf21("1","5","3","7","2","2","1","1") = "6"
    & skf21("1","5","3","7","2","2","2","1") = "6"
    & skf21("1","5","3","7","2","2","3","1") = "6"
    & skf21("1","5","3","7","2","2","4","1") = "6"
    & skf21("1","5","3","7","2","2","5","1") = "6"
    & skf21("1","5","3","7","2","2","6","1") = "6"
    & skf21("1","5","3","7","2","2","7","1") = "6"
    & skf21("1","5","3","7","2","3","1","1") = "6"
    & skf21("1","5","3","7","2","3","2","1") = "6"
    & skf21("1","5","3","7","2","3","3","1") = "6"
    & skf21("1","5","3","7","2","3","4","1") = "6"
    & skf21("1","5","3","7","2","3","5","1") = "6"
    & skf21("1","5","3","7","2","3","6","1") = "6"
    & skf21("1","5","3","7","2","3","7","1") = "6"
    & skf21("1","5","3","7","2","4","1","1") = "6"
    & skf21("1","5","3","7","2","4","2","1") = "6"
    & skf21("1","5","3","7","2","4","3","1") = "6"
    & skf21("1","5","3","7","2","4","4","1") = "6"
    & skf21("1","5","3","7","2","4","5","1") = "6"
    & skf21("1","5","3","7","2","4","6","1") = "6"
    & skf21("1","5","3","7","2","4","7","1") = "6"
    & skf21("1","5","3","7","2","5","1","1") = "6"
    & skf21("1","5","3","7","2","5","2","1") = "6"
    & skf21("1","5","3","7","2","5","3","1") = "6"
    & skf21("1","5","3","7","2","5","4","1") = "6"
    & skf21("1","5","3","7","2","5","5","1") = "6"
    & skf21("1","5","3","7","2","5","6","1") = "6"
    & skf21("1","5","3","7","2","5","7","1") = "6"
    & skf21("1","5","3","7","2","6","1","1") = "6"
    & skf21("1","5","3","7","2","6","2","1") = "6"
    & skf21("1","5","3","7","2","6","3","1") = "6"
    & skf21("1","5","3","7","2","6","4","1") = "6"
    & skf21("1","5","3","7","2","6","5","1") = "6"
    & skf21("1","5","3","7","2","6","6","1") = "6"
    & skf21("1","5","3","7","2","6","7","1") = "6"
    & skf21("1","5","3","7","2","7","1","1") = "6"
    & skf21("1","5","3","7","2","7","2","1") = "6"
    & skf21("1","5","3","7","2","7","3","1") = "6"
    & skf21("1","5","3","7","2","7","4","1") = "6"
    & skf21("1","5","3","7","2","7","5","1") = "6"
    & skf21("1","5","3","7","2","7","6","1") = "6"
    & skf21("1","5","3","7","2","7","7","1") = "6"
    & skf21("1","5","3","7","3","1","1","1") = "6"
    & skf21("1","5","3","7","3","1","2","1") = "6"
    & skf21("1","5","3","7","3","1","3","1") = "6"
    & skf21("1","5","3","7","3","1","4","1") = "6"
    & skf21("1","5","3","7","3","1","5","1") = "6"
    & skf21("1","5","3","7","3","1","6","1") = "6"
    & skf21("1","5","3","7","3","1","7","1") = "6"
    & skf21("1","5","3","7","3","2","1","1") = "6"
    & skf21("1","5","3","7","3","2","2","1") = "6"
    & skf21("1","5","3","7","3","2","3","1") = "6"
    & skf21("1","5","3","7","3","2","4","1") = "6"
    & skf21("1","5","3","7","3","2","5","1") = "6"
    & skf21("1","5","3","7","3","2","6","1") = "6"
    & skf21("1","5","3","7","3","2","7","1") = "6"
    & skf21("1","5","3","7","3","3","1","1") = "6"
    & skf21("1","5","3","7","3","3","2","1") = "6"
    & skf21("1","5","3","7","3","3","3","1") = "6"
    & skf21("1","5","3","7","3","3","4","1") = "6"
    & skf21("1","5","3","7","3","3","5","1") = "6"
    & skf21("1","5","3","7","3","3","6","1") = "6"
    & skf21("1","5","3","7","3","3","7","1") = "6"
    & skf21("1","5","3","7","3","4","1","1") = "6"
    & skf21("1","5","3","7","3","4","2","1") = "6"
    & skf21("1","5","3","7","3","4","3","1") = "6"
    & skf21("1","5","3","7","3","4","4","1") = "6"
    & skf21("1","5","3","7","3","4","5","1") = "6"
    & skf21("1","5","3","7","3","4","6","1") = "6"
    & skf21("1","5","3","7","3","4","7","1") = "6"
    & skf21("1","5","3","7","3","5","1","1") = "6"
    & skf21("1","5","3","7","3","5","2","1") = "6"
    & skf21("1","5","3","7","3","5","3","1") = "6"
    & skf21("1","5","3","7","3","5","4","1") = "6"
    & skf21("1","5","3","7","3","5","5","1") = "6"
    & skf21("1","5","3","7","3","5","6","1") = "6"
    & skf21("1","5","3","7","3","5","7","1") = "6"
    & skf21("1","5","3","7","3","6","1","1") = "6"
    & skf21("1","5","3","7","3","6","2","1") = "6"
    & skf21("1","5","3","7","3","6","3","1") = "6"
    & skf21("1","5","3","7","3","6","4","1") = "6"
    & skf21("1","5","3","7","3","6","5","1") = "6"
    & skf21("1","5","3","7","3","6","6","1") = "6"
    & skf21("1","5","3","7","3","6","7","1") = "6"
    & skf21("1","5","3","7","3","7","1","1") = "6"
    & skf21("1","5","3","7","3","7","2","1") = "6"
    & skf21("1","5","3","7","3","7","3","1") = "6"
    & skf21("1","5","3","7","3","7","4","1") = "6"
    & skf21("1","5","3","7","3","7","5","1") = "6"
    & skf21("1","5","3","7","3","7","6","1") = "6"
    & skf21("1","5","3","7","3","7","7","1") = "6"
    & skf21("1","5","3","7","4","1","1","1") = "6"
    & skf21("1","5","3","7","4","1","2","1") = "6"
    & skf21("1","5","3","7","4","1","3","1") = "6"
    & skf21("1","5","3","7","4","1","4","1") = "6"
    & skf21("1","5","3","7","4","1","5","1") = "6"
    & skf21("1","5","3","7","4","1","6","1") = "6"
    & skf21("1","5","3","7","4","1","7","1") = "6"
    & skf21("1","5","3","7","4","2","1","1") = "6"
    & skf21("1","5","3","7","4","2","2","1") = "6"
    & skf21("1","5","3","7","4","2","3","1") = "6"
    & skf21("1","5","3","7","4","2","4","1") = "6"
    & skf21("1","5","3","7","4","2","5","1") = "6"
    & skf21("1","5","3","7","4","2","6","1") = "6"
    & skf21("1","5","3","7","4","2","7","1") = "6"
    & skf21("1","5","3","7","4","3","1","1") = "6"
    & skf21("1","5","3","7","4","3","2","1") = "6"
    & skf21("1","5","3","7","4","3","3","1") = "6"
    & skf21("1","5","3","7","4","3","4","1") = "6"
    & skf21("1","5","3","7","4","3","5","1") = "6"
    & skf21("1","5","3","7","4","3","6","1") = "6"
    & skf21("1","5","3","7","4","3","7","1") = "6"
    & skf21("1","5","3","7","4","4","1","1") = "6"
    & skf21("1","5","3","7","4","4","2","1") = "6"
    & skf21("1","5","3","7","4","4","3","1") = "6"
    & skf21("1","5","3","7","4","4","4","1") = "6"
    & skf21("1","5","3","7","4","4","5","1") = "6"
    & skf21("1","5","3","7","4","4","6","1") = "6"
    & skf21("1","5","3","7","4","4","7","1") = "6"
    & skf21("1","5","3","7","4","5","1","1") = "6"
    & skf21("1","5","3","7","4","5","2","1") = "6"
    & skf21("1","5","3","7","4","5","3","1") = "6"
    & skf21("1","5","3","7","4","5","4","1") = "6"
    & skf21("1","5","3","7","4","5","5","1") = "6"
    & skf21("1","5","3","7","4","5","6","1") = "6"
    & skf21("1","5","3","7","4","5","7","1") = "6"
    & skf21("1","5","3","7","4","6","1","1") = "6"
    & skf21("1","5","3","7","4","6","2","1") = "6"
    & skf21("1","5","3","7","4","6","3","1") = "6"
    & skf21("1","5","3","7","4","6","4","1") = "6"
    & skf21("1","5","3","7","4","6","5","1") = "6"
    & skf21("1","5","3","7","4","6","6","1") = "6"
    & skf21("1","5","3","7","4","6","7","1") = "6"
    & skf21("1","5","3","7","4","7","1","1") = "6"
    & skf21("1","5","3","7","4","7","2","1") = "6"
    & skf21("1","5","3","7","4","7","3","1") = "6"
    & skf21("1","5","3","7","4","7","4","1") = "6"
    & skf21("1","5","3","7","4","7","5","1") = "6"
    & skf21("1","5","3","7","4","7","6","1") = "6"
    & skf21("1","5","3","7","4","7","7","1") = "6"
    & skf21("1","5","3","7","5","1","1","1") = "6"
    & skf21("1","5","3","7","5","1","2","1") = "6"
    & skf21("1","5","3","7","5","1","3","1") = "6"
    & skf21("1","5","3","7","5","1","4","1") = "6"
    & skf21("1","5","3","7","5","1","5","1") = "6"
    & skf21("1","5","3","7","5","1","6","1") = "6"
    & skf21("1","5","3","7","5","1","7","1") = "6"
    & skf21("1","5","3","7","5","2","1","1") = "6"
    & skf21("1","5","3","7","5","2","2","1") = "6"
    & skf21("1","5","3","7","5","2","3","1") = "6"
    & skf21("1","5","3","7","5","2","4","1") = "6"
    & skf21("1","5","3","7","5","2","5","1") = "6"
    & skf21("1","5","3","7","5","2","6","1") = "6"
    & skf21("1","5","3","7","5","2","7","1") = "6"
    & skf21("1","5","3","7","5","3","1","1") = "6"
    & skf21("1","5","3","7","5","3","2","1") = "6"
    & skf21("1","5","3","7","5","3","3","1") = "6"
    & skf21("1","5","3","7","5","3","4","1") = "6"
    & skf21("1","5","3","7","5","3","5","1") = "6"
    & skf21("1","5","3","7","5","3","6","1") = "6"
    & skf21("1","5","3","7","5","3","7","1") = "6"
    & skf21("1","5","3","7","5","4","1","1") = "6"
    & skf21("1","5","3","7","5","4","2","1") = "6"
    & skf21("1","5","3","7","5","4","3","1") = "6"
    & skf21("1","5","3","7","5","4","4","1") = "6"
    & skf21("1","5","3","7","5","4","5","1") = "6"
    & skf21("1","5","3","7","5","4","6","1") = "6"
    & skf21("1","5","3","7","5","4","7","1") = "6"
    & skf21("1","5","3","7","5","5","1","1") = "6"
    & skf21("1","5","3","7","5","5","2","1") = "6"
    & skf21("1","5","3","7","5","5","3","1") = "6"
    & skf21("1","5","3","7","5","5","4","1") = "6"
    & skf21("1","5","3","7","5","5","5","1") = "6"
    & skf21("1","5","3","7","5","5","6","1") = "6"
    & skf21("1","5","3","7","5","5","7","1") = "6"
    & skf21("1","5","3","7","5","6","1","1") = "6"
    & skf21("1","5","3","7","5","6","2","1") = "6"
    & skf21("1","5","3","7","5","6","3","1") = "6"
    & skf21("1","5","3","7","5","6","4","1") = "6"
    & skf21("1","5","3","7","5","6","5","1") = "6"
    & skf21("1","5","3","7","5","6","6","1") = "6"
    & skf21("1","5","3","7","5","6","7","1") = "6"
    & skf21("1","5","3","7","5","7","1","1") = "6"
    & skf21("1","5","3","7","5","7","2","1") = "6"
    & skf21("1","5","3","7","5","7","3","1") = "6"
    & skf21("1","5","3","7","5","7","4","1") = "6"
    & skf21("1","5","3","7","5","7","5","1") = "6"
    & skf21("1","5","3","7","5","7","6","1") = "6"
    & skf21("1","5","3","7","5","7","7","1") = "6"
    & skf21("1","5","3","7","6","1","1","1") = "6"
    & skf21("1","5","3","7","6","1","2","1") = "6"
    & skf21("1","5","3","7","6","1","3","1") = "6"
    & skf21("1","5","3","7","6","1","4","1") = "6"
    & skf21("1","5","3","7","6","1","5","1") = "6"
    & skf21("1","5","3","7","6","1","6","1") = "6"
    & skf21("1","5","3","7","6","1","7","1") = "6"
    & skf21("1","5","3","7","6","2","1","1") = "6"
    & skf21("1","5","3","7","6","2","2","1") = "6"
    & skf21("1","5","3","7","6","2","3","1") = "6"
    & skf21("1","5","3","7","6","2","4","1") = "6"
    & skf21("1","5","3","7","6","2","5","1") = "6"
    & skf21("1","5","3","7","6","2","6","1") = "6"
    & skf21("1","5","3","7","6","2","7","1") = "6"
    & skf21("1","5","3","7","6","3","1","1") = "6"
    & skf21("1","5","3","7","6","3","2","1") = "6"
    & skf21("1","5","3","7","6","3","3","1") = "6"
    & skf21("1","5","3","7","6","3","4","1") = "6"
    & skf21("1","5","3","7","6","3","5","1") = "6"
    & skf21("1","5","3","7","6","3","6","1") = "6"
    & skf21("1","5","3","7","6","3","7","1") = "6"
    & skf21("1","5","3","7","6","4","1","1") = "6"
    & skf21("1","5","3","7","6","4","2","1") = "6"
    & skf21("1","5","3","7","6","4","3","1") = "6"
    & skf21("1","5","3","7","6","4","4","1") = "6"
    & skf21("1","5","3","7","6","4","5","1") = "6"
    & skf21("1","5","3","7","6","4","6","1") = "6"
    & skf21("1","5","3","7","6","4","7","1") = "6"
    & skf21("1","5","3","7","6","5","1","1") = "6"
    & skf21("1","5","3","7","6","5","2","1") = "6"
    & skf21("1","5","3","7","6","5","3","1") = "6"
    & skf21("1","5","3","7","6","5","4","1") = "6"
    & skf21("1","5","3","7","6","5","5","1") = "6"
    & skf21("1","5","3","7","6","5","6","1") = "6"
    & skf21("1","5","3","7","6","5","7","1") = "6"
    & skf21("1","5","3","7","6","6","1","1") = "6"
    & skf21("1","5","3","7","6","6","2","1") = "6"
    & skf21("1","5","3","7","6","6","3","1") = "6"
    & skf21("1","5","3","7","6","6","4","1") = "6"
    & skf21("1","5","3","7","6","6","5","1") = "6"
    & skf21("1","5","3","7","6","6","6","1") = "6"
    & skf21("1","5","3","7","6","6","7","1") = "6"
    & skf21("1","5","3","7","6","7","1","1") = "6"
    & skf21("1","5","3","7","6","7","2","1") = "6"
    & skf21("1","5","3","7","6","7","3","1") = "6"
    & skf21("1","5","3","7","6","7","4","1") = "6"
    & skf21("1","5","3","7","6","7","5","1") = "6"
    & skf21("1","5","3","7","6","7","6","1") = "6"
    & skf21("1","5","3","7","6","7","7","1") = "6"
    & skf21("1","5","3","7","7","1","1","1") = "6"
    & skf21("1","5","3","7","7","1","2","1") = "6"
    & skf21("1","5","3","7","7","1","3","1") = "6"
    & skf21("1","5","3","7","7","1","4","1") = "6"
    & skf21("1","5","3","7","7","1","5","1") = "6"
    & skf21("1","5","3","7","7","1","6","1") = "6"
    & skf21("1","5","3","7","7","1","7","1") = "6"
    & skf21("1","5","3","7","7","2","1","1") = "6"
    & skf21("1","5","3","7","7","2","2","1") = "6"
    & skf21("1","5","3","7","7","2","3","1") = "6"
    & skf21("1","5","3","7","7","2","4","1") = "6"
    & skf21("1","5","3","7","7","2","5","1") = "6"
    & skf21("1","5","3","7","7","2","6","1") = "6"
    & skf21("1","5","3","7","7","2","7","1") = "6"
    & skf21("1","5","3","7","7","3","1","1") = "6"
    & skf21("1","5","3","7","7","3","2","1") = "6"
    & skf21("1","5","3","7","7","3","3","1") = "6"
    & skf21("1","5","3","7","7","3","4","1") = "6"
    & skf21("1","5","3","7","7","3","5","1") = "6"
    & skf21("1","5","3","7","7","3","6","1") = "6"
    & skf21("1","5","3","7","7","3","7","1") = "6"
    & skf21("1","5","3","7","7","4","1","1") = "6"
    & skf21("1","5","3","7","7","4","2","1") = "6"
    & skf21("1","5","3","7","7","4","3","1") = "6"
    & skf21("1","5","3","7","7","4","4","1") = "6"
    & skf21("1","5","3","7","7","4","5","1") = "6"
    & skf21("1","5","3","7","7","4","6","1") = "6"
    & skf21("1","5","3","7","7","4","7","1") = "6"
    & skf21("1","5","3","7","7","5","1","1") = "6"
    & skf21("1","5","3","7","7","5","2","1") = "6"
    & skf21("1","5","3","7","7","5","3","1") = "6"
    & skf21("1","5","3","7","7","5","4","1") = "6"
    & skf21("1","5","3","7","7","5","5","1") = "6"
    & skf21("1","5","3","7","7","5","6","1") = "6"
    & skf21("1","5","3","7","7","5","7","1") = "6"
    & skf21("1","5","3","7","7","6","1","1") = "6"
    & skf21("1","5","3","7","7","6","2","1") = "6"
    & skf21("1","5","3","7","7","6","3","1") = "6"
    & skf21("1","5","3","7","7","6","4","1") = "6"
    & skf21("1","5","3","7","7","6","5","1") = "6"
    & skf21("1","5","3","7","7","6","6","1") = "6"
    & skf21("1","5","3","7","7","6","7","1") = "6"
    & skf21("1","5","3","7","7","7","1","1") = "6"
    & skf21("1","5","3","7","7","7","2","1") = "6"
    & skf21("1","5","3","7","7","7","3","1") = "6"
    & skf21("1","5","3","7","7","7","4","1") = "6"
    & skf21("1","5","3","7","7","7","5","1") = "6"
    & skf21("1","5","3","7","7","7","6","1") = "6"
    & skf21("1","5","3","7","7","7","7","1") = "6"
    & skf21("1","5","4","1","1","1","1","1") = "4"
    & skf21("1","5","4","1","1","1","2","1") = "4"
    & skf21("1","5","4","1","1","1","3","1") = "4"
    & skf21("1","5","4","1","1","1","4","1") = "4"
    & skf21("1","5","4","1","1","1","5","1") = "4"
    & skf21("1","5","4","1","1","1","6","1") = "5"
    & skf21("1","5","4","1","1","1","7","1") = "6"
    & skf21("1","5","4","1","1","2","1","1") = "4"
    & skf21("1","5","4","1","1","2","2","1") = "4"
    & skf21("1","5","4","1","1","2","3","1") = "4"
    & skf21("1","5","4","1","1","2","4","1") = "4"
    & skf21("1","5","4","1","1","2","5","1") = "4"
    & skf21("1","5","4","1","1","2","6","1") = "5"
    & skf21("1","5","4","1","1","2","7","1") = "6"
    & skf21("1","5","4","1","1","3","1","1") = "4"
    & skf21("1","5","4","1","1","3","2","1") = "4"
    & skf21("1","5","4","1","1","3","3","1") = "4"
    & skf21("1","5","4","1","1","3","4","1") = "4"
    & skf21("1","5","4","1","1","3","5","1") = "4"
    & skf21("1","5","4","1","1","3","6","1") = "5"
    & skf21("1","5","4","1","1","3","7","1") = "6"
    & skf21("1","5","4","1","1","4","1","1") = "4"
    & skf21("1","5","4","1","1","4","2","1") = "4"
    & skf21("1","5","4","1","1","4","3","1") = "4"
    & skf21("1","5","4","1","1","4","4","1") = "4"
    & skf21("1","5","4","1","1","4","5","1") = "4"
    & skf21("1","5","4","1","1","4","6","1") = "5"
    & skf21("1","5","4","1","1","4","7","1") = "6"
    & skf21("1","5","4","1","1","5","1","1") = "4"
    & skf21("1","5","4","1","1","5","2","1") = "4"
    & skf21("1","5","4","1","1","5","3","1") = "4"
    & skf21("1","5","4","1","1","5","4","1") = "4"
    & skf21("1","5","4","1","1","5","5","1") = "4"
    & skf21("1","5","4","1","1","5","6","1") = "5"
    & skf21("1","5","4","1","1","5","7","1") = "6"
    & skf21("1","5","4","1","1","6","1","1") = "5"
    & skf21("1","5","4","1","1","6","2","1") = "5"
    & skf21("1","5","4","1","1","6","3","1") = "5"
    & skf21("1","5","4","1","1","6","4","1") = "5"
    & skf21("1","5","4","1","1","6","5","1") = "5"
    & skf21("1","5","4","1","1","6","6","1") = "5"
    & skf21("1","5","4","1","1","6","7","1") = "6"
    & skf21("1","5","4","1","1","7","1","1") = "6"
    & skf21("1","5","4","1","1","7","2","1") = "6"
    & skf21("1","5","4","1","1","7","3","1") = "6"
    & skf21("1","5","4","1","1","7","4","1") = "6"
    & skf21("1","5","4","1","1","7","5","1") = "6"
    & skf21("1","5","4","1","1","7","6","1") = "6"
    & skf21("1","5","4","1","1","7","7","1") = "6"
    & skf21("1","5","4","1","2","1","1","1") = "4"
    & skf21("1","5","4","1","2","1","2","1") = "4"
    & skf21("1","5","4","1","2","1","3","1") = "4"
    & skf21("1","5","4","1","2","1","4","1") = "4"
    & skf21("1","5","4","1","2","1","5","1") = "4"
    & skf21("1","5","4","1","2","1","6","1") = "5"
    & skf21("1","5","4","1","2","1","7","1") = "6"
    & skf21("1","5","4","1","2","2","1","1") = "4"
    & skf21("1","5","4","1","2","2","2","1") = "4"
    & skf21("1","5","4","1","2","2","3","1") = "4"
    & skf21("1","5","4","1","2","2","4","1") = "4"
    & skf21("1","5","4","1","2","2","5","1") = "4"
    & skf21("1","5","4","1","2","2","6","1") = "5"
    & skf21("1","5","4","1","2","2","7","1") = "6"
    & skf21("1","5","4","1","2","3","1","1") = "4"
    & skf21("1","5","4","1","2","3","2","1") = "4"
    & skf21("1","5","4","1","2","3","3","1") = "4"
    & skf21("1","5","4","1","2","3","4","1") = "4"
    & skf21("1","5","4","1","2","3","5","1") = "4"
    & skf21("1","5","4","1","2","3","6","1") = "5"
    & skf21("1","5","4","1","2","3","7","1") = "6"
    & skf21("1","5","4","1","2","4","1","1") = "4"
    & skf21("1","5","4","1","2","4","2","1") = "4"
    & skf21("1","5","4","1","2","4","3","1") = "4"
    & skf21("1","5","4","1","2","4","4","1") = "4"
    & skf21("1","5","4","1","2","4","5","1") = "4"
    & skf21("1","5","4","1","2","4","6","1") = "5"
    & skf21("1","5","4","1","2","4","7","1") = "6"
    & skf21("1","5","4","1","2","5","1","1") = "4"
    & skf21("1","5","4","1","2","5","2","1") = "4"
    & skf21("1","5","4","1","2","5","3","1") = "4"
    & skf21("1","5","4","1","2","5","4","1") = "4"
    & skf21("1","5","4","1","2","5","5","1") = "4"
    & skf21("1","5","4","1","2","5","6","1") = "5"
    & skf21("1","5","4","1","2","5","7","1") = "6"
    & skf21("1","5","4","1","2","6","1","1") = "5"
    & skf21("1","5","4","1","2","6","2","1") = "5"
    & skf21("1","5","4","1","2","6","3","1") = "5"
    & skf21("1","5","4","1","2","6","4","1") = "5"
    & skf21("1","5","4","1","2","6","5","1") = "5"
    & skf21("1","5","4","1","2","6","6","1") = "5"
    & skf21("1","5","4","1","2","6","7","1") = "6"
    & skf21("1","5","4","1","2","7","1","1") = "6"
    & skf21("1","5","4","1","2","7","2","1") = "6"
    & skf21("1","5","4","1","2","7","3","1") = "6"
    & skf21("1","5","4","1","2","7","4","1") = "6"
    & skf21("1","5","4","1","2","7","5","1") = "6"
    & skf21("1","5","4","1","2","7","6","1") = "6"
    & skf21("1","5","4","1","2","7","7","1") = "6"
    & skf21("1","5","4","1","3","1","1","1") = "4"
    & skf21("1","5","4","1","3","1","2","1") = "4"
    & skf21("1","5","4","1","3","1","3","1") = "4"
    & skf21("1","5","4","1","3","1","4","1") = "4"
    & skf21("1","5","4","1","3","1","5","1") = "4"
    & skf21("1","5","4","1","3","1","6","1") = "5"
    & skf21("1","5","4","1","3","1","7","1") = "6"
    & skf21("1","5","4","1","3","2","1","1") = "4"
    & skf21("1","5","4","1","3","2","2","1") = "4"
    & skf21("1","5","4","1","3","2","3","1") = "4"
    & skf21("1","5","4","1","3","2","4","1") = "4"
    & skf21("1","5","4","1","3","2","5","1") = "4"
    & skf21("1","5","4","1","3","2","6","1") = "5"
    & skf21("1","5","4","1","3","2","7","1") = "6"
    & skf21("1","5","4","1","3","3","1","1") = "4"
    & skf21("1","5","4","1","3","3","2","1") = "4"
    & skf21("1","5","4","1","3","3","3","1") = "4"
    & skf21("1","5","4","1","3","3","4","1") = "4"
    & skf21("1","5","4","1","3","3","5","1") = "4"
    & skf21("1","5","4","1","3","3","6","1") = "5"
    & skf21("1","5","4","1","3","3","7","1") = "6"
    & skf21("1","5","4","1","3","4","1","1") = "4"
    & skf21("1","5","4","1","3","4","2","1") = "4"
    & skf21("1","5","4","1","3","4","3","1") = "4"
    & skf21("1","5","4","1","3","4","4","1") = "4"
    & skf21("1","5","4","1","3","4","5","1") = "4"
    & skf21("1","5","4","1","3","4","6","1") = "5"
    & skf21("1","5","4","1","3","4","7","1") = "6"
    & skf21("1","5","4","1","3","5","1","1") = "4"
    & skf21("1","5","4","1","3","5","2","1") = "4"
    & skf21("1","5","4","1","3","5","3","1") = "4"
    & skf21("1","5","4","1","3","5","4","1") = "4"
    & skf21("1","5","4","1","3","5","5","1") = "4"
    & skf21("1","5","4","1","3","5","6","1") = "5"
    & skf21("1","5","4","1","3","5","7","1") = "6"
    & skf21("1","5","4","1","3","6","1","1") = "5"
    & skf21("1","5","4","1","3","6","2","1") = "5"
    & skf21("1","5","4","1","3","6","3","1") = "5"
    & skf21("1","5","4","1","3","6","4","1") = "5"
    & skf21("1","5","4","1","3","6","5","1") = "5"
    & skf21("1","5","4","1","3","6","6","1") = "5"
    & skf21("1","5","4","1","3","6","7","1") = "6"
    & skf21("1","5","4","1","3","7","1","1") = "6"
    & skf21("1","5","4","1","3","7","2","1") = "6"
    & skf21("1","5","4","1","3","7","3","1") = "6"
    & skf21("1","5","4","1","3","7","4","1") = "6"
    & skf21("1","5","4","1","3","7","5","1") = "6"
    & skf21("1","5","4","1","3","7","6","1") = "6"
    & skf21("1","5","4","1","3","7","7","1") = "6"
    & skf21("1","5","4","1","4","1","1","1") = "4"
    & skf21("1","5","4","1","4","1","2","1") = "4"
    & skf21("1","5","4","1","4","1","3","1") = "4"
    & skf21("1","5","4","1","4","1","4","1") = "4"
    & skf21("1","5","4","1","4","1","5","1") = "4"
    & skf21("1","5","4","1","4","1","6","1") = "5"
    & skf21("1","5","4","1","4","1","7","1") = "6"
    & skf21("1","5","4","1","4","2","1","1") = "4"
    & skf21("1","5","4","1","4","2","2","1") = "4"
    & skf21("1","5","4","1","4","2","3","1") = "4"
    & skf21("1","5","4","1","4","2","4","1") = "4"
    & skf21("1","5","4","1","4","2","5","1") = "4"
    & skf21("1","5","4","1","4","2","6","1") = "5"
    & skf21("1","5","4","1","4","2","7","1") = "6"
    & skf21("1","5","4","1","4","3","1","1") = "4"
    & skf21("1","5","4","1","4","3","2","1") = "4"
    & skf21("1","5","4","1","4","3","3","1") = "4"
    & skf21("1","5","4","1","4","3","4","1") = "4"
    & skf21("1","5","4","1","4","3","5","1") = "4"
    & skf21("1","5","4","1","4","3","6","1") = "5"
    & skf21("1","5","4","1","4","3","7","1") = "6"
    & skf21("1","5","4","1","4","4","1","1") = "4"
    & skf21("1","5","4","1","4","4","2","1") = "4"
    & skf21("1","5","4","1","4","4","3","1") = "4"
    & skf21("1","5","4","1","4","4","4","1") = "4"
    & skf21("1","5","4","1","4","4","5","1") = "4"
    & skf21("1","5","4","1","4","4","6","1") = "5"
    & skf21("1","5","4","1","4","4","7","1") = "6"
    & skf21("1","5","4","1","4","5","1","1") = "4"
    & skf21("1","5","4","1","4","5","2","1") = "4"
    & skf21("1","5","4","1","4","5","3","1") = "4"
    & skf21("1","5","4","1","4","5","4","1") = "4"
    & skf21("1","5","4","1","4","5","5","1") = "4"
    & skf21("1","5","4","1","4","5","6","1") = "5"
    & skf21("1","5","4","1","4","5","7","1") = "6"
    & skf21("1","5","4","1","4","6","1","1") = "5"
    & skf21("1","5","4","1","4","6","2","1") = "5"
    & skf21("1","5","4","1","4","6","3","1") = "5"
    & skf21("1","5","4","1","4","6","4","1") = "5"
    & skf21("1","5","4","1","4","6","5","1") = "5"
    & skf21("1","5","4","1","4","6","6","1") = "5"
    & skf21("1","5","4","1","4","6","7","1") = "6"
    & skf21("1","5","4","1","4","7","1","1") = "6"
    & skf21("1","5","4","1","4","7","2","1") = "6"
    & skf21("1","5","4","1","4","7","3","1") = "6"
    & skf21("1","5","4","1","4","7","4","1") = "6"
    & skf21("1","5","4","1","4","7","5","1") = "6"
    & skf21("1","5","4","1","4","7","6","1") = "6"
    & skf21("1","5","4","1","4","7","7","1") = "6"
    & skf21("1","5","4","1","5","1","1","1") = "4"
    & skf21("1","5","4","1","5","1","2","1") = "4"
    & skf21("1","5","4","1","5","1","3","1") = "4"
    & skf21("1","5","4","1","5","1","4","1") = "4"
    & skf21("1","5","4","1","5","1","5","1") = "4"
    & skf21("1","5","4","1","5","1","6","1") = "5"
    & skf21("1","5","4","1","5","1","7","1") = "6"
    & skf21("1","5","4","1","5","2","1","1") = "4"
    & skf21("1","5","4","1","5","2","2","1") = "4"
    & skf21("1","5","4","1","5","2","3","1") = "4"
    & skf21("1","5","4","1","5","2","4","1") = "4"
    & skf21("1","5","4","1","5","2","5","1") = "4"
    & skf21("1","5","4","1","5","2","6","1") = "5"
    & skf21("1","5","4","1","5","2","7","1") = "6"
    & skf21("1","5","4","1","5","3","1","1") = "4"
    & skf21("1","5","4","1","5","3","2","1") = "4"
    & skf21("1","5","4","1","5","3","3","1") = "4"
    & skf21("1","5","4","1","5","3","4","1") = "4"
    & skf21("1","5","4","1","5","3","5","1") = "4"
    & skf21("1","5","4","1","5","3","6","1") = "5"
    & skf21("1","5","4","1","5","3","7","1") = "6"
    & skf21("1","5","4","1","5","4","1","1") = "4"
    & skf21("1","5","4","1","5","4","2","1") = "4"
    & skf21("1","5","4","1","5","4","3","1") = "4"
    & skf21("1","5","4","1","5","4","4","1") = "4"
    & skf21("1","5","4","1","5","4","5","1") = "4"
    & skf21("1","5","4","1","5","4","6","1") = "5"
    & skf21("1","5","4","1","5","4","7","1") = "6"
    & skf21("1","5","4","1","5","5","1","1") = "4"
    & skf21("1","5","4","1","5","5","2","1") = "4"
    & skf21("1","5","4","1","5","5","3","1") = "4"
    & skf21("1","5","4","1","5","5","4","1") = "4"
    & skf21("1","5","4","1","5","5","5","1") = "4"
    & skf21("1","5","4","1","5","5","6","1") = "5"
    & skf21("1","5","4","1","5","5","7","1") = "6"
    & skf21("1","5","4","1","5","6","1","1") = "5"
    & skf21("1","5","4","1","5","6","2","1") = "5"
    & skf21("1","5","4","1","5","6","3","1") = "5"
    & skf21("1","5","4","1","5","6","4","1") = "5"
    & skf21("1","5","4","1","5","6","5","1") = "5"
    & skf21("1","5","4","1","5","6","6","1") = "5"
    & skf21("1","5","4","1","5","6","7","1") = "6"
    & skf21("1","5","4","1","5","7","1","1") = "6"
    & skf21("1","5","4","1","5","7","2","1") = "6"
    & skf21("1","5","4","1","5","7","3","1") = "6"
    & skf21("1","5","4","1","5","7","4","1") = "6"
    & skf21("1","5","4","1","5","7","5","1") = "6"
    & skf21("1","5","4","1","5","7","6","1") = "6"
    & skf21("1","5","4","1","5","7","7","1") = "6"
    & skf21("1","5","4","1","6","1","1","1") = "5"
    & skf21("1","5","4","1","6","1","2","1") = "5"
    & skf21("1","5","4","1","6","1","3","1") = "5"
    & skf21("1","5","4","1","6","1","4","1") = "5"
    & skf21("1","5","4","1","6","1","5","1") = "5"
    & skf21("1","5","4","1","6","1","6","1") = "5"
    & skf21("1","5","4","1","6","1","7","1") = "6"
    & skf21("1","5","4","1","6","2","1","1") = "5"
    & skf21("1","5","4","1","6","2","2","1") = "5"
    & skf21("1","5","4","1","6","2","3","1") = "5"
    & skf21("1","5","4","1","6","2","4","1") = "5"
    & skf21("1","5","4","1","6","2","5","1") = "5"
    & skf21("1","5","4","1","6","2","6","1") = "5"
    & skf21("1","5","4","1","6","2","7","1") = "6"
    & skf21("1","5","4","1","6","3","1","1") = "5"
    & skf21("1","5","4","1","6","3","2","1") = "5"
    & skf21("1","5","4","1","6","3","3","1") = "5"
    & skf21("1","5","4","1","6","3","4","1") = "5"
    & skf21("1","5","4","1","6","3","5","1") = "5"
    & skf21("1","5","4","1","6","3","6","1") = "5"
    & skf21("1","5","4","1","6","3","7","1") = "6"
    & skf21("1","5","4","1","6","4","1","1") = "5"
    & skf21("1","5","4","1","6","4","2","1") = "5"
    & skf21("1","5","4","1","6","4","3","1") = "5"
    & skf21("1","5","4","1","6","4","4","1") = "5"
    & skf21("1","5","4","1","6","4","5","1") = "5"
    & skf21("1","5","4","1","6","4","6","1") = "5"
    & skf21("1","5","4","1","6","4","7","1") = "6"
    & skf21("1","5","4","1","6","5","1","1") = "5"
    & skf21("1","5","4","1","6","5","2","1") = "5"
    & skf21("1","5","4","1","6","5","3","1") = "5"
    & skf21("1","5","4","1","6","5","4","1") = "5"
    & skf21("1","5","4","1","6","5","5","1") = "5"
    & skf21("1","5","4","1","6","5","6","1") = "5"
    & skf21("1","5","4","1","6","5","7","1") = "6"
    & skf21("1","5","4","1","6","6","1","1") = "5"
    & skf21("1","5","4","1","6","6","2","1") = "5"
    & skf21("1","5","4","1","6","6","3","1") = "5"
    & skf21("1","5","4","1","6","6","4","1") = "5"
    & skf21("1","5","4","1","6","6","5","1") = "5"
    & skf21("1","5","4","1","6","6","6","1") = "5"
    & skf21("1","5","4","1","6","6","7","1") = "6"
    & skf21("1","5","4","1","6","7","1","1") = "6"
    & skf21("1","5","4","1","6","7","2","1") = "6"
    & skf21("1","5","4","1","6","7","3","1") = "6"
    & skf21("1","5","4","1","6","7","4","1") = "6"
    & skf21("1","5","4","1","6","7","5","1") = "6"
    & skf21("1","5","4","1","6","7","6","1") = "6"
    & skf21("1","5","4","1","6","7","7","1") = "6"
    & skf21("1","5","4","1","7","1","1","1") = "6"
    & skf21("1","5","4","1","7","1","2","1") = "6"
    & skf21("1","5","4","1","7","1","3","1") = "6"
    & skf21("1","5","4","1","7","1","4","1") = "6"
    & skf21("1","5","4","1","7","1","5","1") = "6"
    & skf21("1","5","4","1","7","1","6","1") = "6"
    & skf21("1","5","4","1","7","1","7","1") = "6"
    & skf21("1","5","4","1","7","2","1","1") = "6"
    & skf21("1","5","4","1","7","2","2","1") = "6"
    & skf21("1","5","4","1","7","2","3","1") = "6"
    & skf21("1","5","4","1","7","2","4","1") = "6"
    & skf21("1","5","4","1","7","2","5","1") = "6"
    & skf21("1","5","4","1","7","2","6","1") = "6"
    & skf21("1","5","4","1","7","2","7","1") = "6"
    & skf21("1","5","4","1","7","3","1","1") = "6"
    & skf21("1","5","4","1","7","3","2","1") = "6"
    & skf21("1","5","4","1","7","3","3","1") = "6"
    & skf21("1","5","4","1","7","3","4","1") = "6"
    & skf21("1","5","4","1","7","3","5","1") = "6"
    & skf21("1","5","4","1","7","3","6","1") = "6"
    & skf21("1","5","4","1","7","3","7","1") = "6"
    & skf21("1","5","4","1","7","4","1","1") = "6"
    & skf21("1","5","4","1","7","4","2","1") = "6"
    & skf21("1","5","4","1","7","4","3","1") = "6"
    & skf21("1","5","4","1","7","4","4","1") = "6"
    & skf21("1","5","4","1","7","4","5","1") = "6"
    & skf21("1","5","4","1","7","4","6","1") = "6"
    & skf21("1","5","4","1","7","4","7","1") = "6"
    & skf21("1","5","4","1","7","5","1","1") = "6"
    & skf21("1","5","4","1","7","5","2","1") = "6"
    & skf21("1","5","4","1","7","5","3","1") = "6"
    & skf21("1","5","4","1","7","5","4","1") = "6"
    & skf21("1","5","4","1","7","5","5","1") = "6"
    & skf21("1","5","4","1","7","5","6","1") = "6"
    & skf21("1","5","4","1","7","5","7","1") = "6"
    & skf21("1","5","4","1","7","6","1","1") = "6"
    & skf21("1","5","4","1","7","6","2","1") = "6"
    & skf21("1","5","4","1","7","6","3","1") = "6"
    & skf21("1","5","4","1","7","6","4","1") = "6"
    & skf21("1","5","4","1","7","6","5","1") = "6"
    & skf21("1","5","4","1","7","6","6","1") = "6"
    & skf21("1","5","4","1","7","6","7","1") = "6"
    & skf21("1","5","4","1","7","7","1","1") = "6"
    & skf21("1","5","4","1","7","7","2","1") = "6"
    & skf21("1","5","4","1","7","7","3","1") = "6"
    & skf21("1","5","4","1","7","7","4","1") = "6"
    & skf21("1","5","4","1","7","7","5","1") = "6"
    & skf21("1","5","4","1","7","7","6","1") = "6"
    & skf21("1","5","4","1","7","7","7","1") = "6"
    & skf21("1","5","4","2","1","1","1","1") = "4"
    & skf21("1","5","4","2","1","1","2","1") = "4"
    & skf21("1","5","4","2","1","1","3","1") = "4"
    & skf21("1","5","4","2","1","1","4","1") = "4"
    & skf21("1","5","4","2","1","1","5","1") = "4"
    & skf21("1","5","4","2","1","1","6","1") = "5"
    & skf21("1","5","4","2","1","1","7","1") = "6"
    & skf21("1","5","4","2","1","2","1","1") = "4"
    & skf21("1","5","4","2","1","2","2","1") = "4"
    & skf21("1","5","4","2","1","2","3","1") = "4"
    & skf21("1","5","4","2","1","2","4","1") = "4"
    & skf21("1","5","4","2","1","2","5","1") = "4"
    & skf21("1","5","4","2","1","2","6","1") = "5"
    & skf21("1","5","4","2","1","2","7","1") = "6"
    & skf21("1","5","4","2","1","3","1","1") = "4"
    & skf21("1","5","4","2","1","3","2","1") = "4"
    & skf21("1","5","4","2","1","3","3","1") = "4"
    & skf21("1","5","4","2","1","3","4","1") = "4"
    & skf21("1","5","4","2","1","3","5","1") = "4"
    & skf21("1","5","4","2","1","3","6","1") = "5"
    & skf21("1","5","4","2","1","3","7","1") = "6"
    & skf21("1","5","4","2","1","4","1","1") = "4"
    & skf21("1","5","4","2","1","4","2","1") = "4"
    & skf21("1","5","4","2","1","4","3","1") = "4"
    & skf21("1","5","4","2","1","4","4","1") = "4"
    & skf21("1","5","4","2","1","4","5","1") = "4"
    & skf21("1","5","4","2","1","4","6","1") = "5"
    & skf21("1","5","4","2","1","4","7","1") = "6"
    & skf21("1","5","4","2","1","5","1","1") = "4"
    & skf21("1","5","4","2","1","5","2","1") = "4"
    & skf21("1","5","4","2","1","5","3","1") = "4"
    & skf21("1","5","4","2","1","5","4","1") = "4"
    & skf21("1","5","4","2","1","5","5","1") = "4"
    & skf21("1","5","4","2","1","5","6","1") = "5"
    & skf21("1","5","4","2","1","5","7","1") = "6"
    & skf21("1","5","4","2","1","6","1","1") = "5"
    & skf21("1","5","4","2","1","6","2","1") = "5"
    & skf21("1","5","4","2","1","6","3","1") = "5"
    & skf21("1","5","4","2","1","6","4","1") = "5"
    & skf21("1","5","4","2","1","6","5","1") = "5"
    & skf21("1","5","4","2","1","6","6","1") = "5"
    & skf21("1","5","4","2","1","6","7","1") = "6"
    & skf21("1","5","4","2","1","7","1","1") = "6"
    & skf21("1","5","4","2","1","7","2","1") = "6"
    & skf21("1","5","4","2","1","7","3","1") = "6"
    & skf21("1","5","4","2","1","7","4","1") = "6"
    & skf21("1","5","4","2","1","7","5","1") = "6"
    & skf21("1","5","4","2","1","7","6","1") = "6"
    & skf21("1","5","4","2","1","7","7","1") = "6"
    & skf21("1","5","4","2","2","1","1","1") = "4"
    & skf21("1","5","4","2","2","1","2","1") = "4"
    & skf21("1","5","4","2","2","1","3","1") = "4"
    & skf21("1","5","4","2","2","1","4","1") = "4"
    & skf21("1","5","4","2","2","1","5","1") = "4"
    & skf21("1","5","4","2","2","1","6","1") = "5"
    & skf21("1","5","4","2","2","1","7","1") = "6"
    & skf21("1","5","4","2","2","2","1","1") = "4"
    & skf21("1","5","4","2","2","2","2","1") = "4"
    & skf21("1","5","4","2","2","2","3","1") = "4"
    & skf21("1","5","4","2","2","2","4","1") = "4"
    & skf21("1","5","4","2","2","2","5","1") = "4"
    & skf21("1","5","4","2","2","2","6","1") = "5"
    & skf21("1","5","4","2","2","2","7","1") = "6"
    & skf21("1","5","4","2","2","3","1","1") = "4"
    & skf21("1","5","4","2","2","3","2","1") = "4"
    & skf21("1","5","4","2","2","3","3","1") = "4"
    & skf21("1","5","4","2","2","3","4","1") = "4"
    & skf21("1","5","4","2","2","3","5","1") = "4"
    & skf21("1","5","4","2","2","3","6","1") = "5"
    & skf21("1","5","4","2","2","3","7","1") = "6"
    & skf21("1","5","4","2","2","4","1","1") = "4"
    & skf21("1","5","4","2","2","4","2","1") = "4"
    & skf21("1","5","4","2","2","4","3","1") = "4"
    & skf21("1","5","4","2","2","4","4","1") = "4"
    & skf21("1","5","4","2","2","4","5","1") = "4"
    & skf21("1","5","4","2","2","4","6","1") = "5"
    & skf21("1","5","4","2","2","4","7","1") = "6"
    & skf21("1","5","4","2","2","5","1","1") = "4"
    & skf21("1","5","4","2","2","5","2","1") = "4"
    & skf21("1","5","4","2","2","5","3","1") = "4"
    & skf21("1","5","4","2","2","5","4","1") = "4"
    & skf21("1","5","4","2","2","5","5","1") = "4"
    & skf21("1","5","4","2","2","5","6","1") = "5"
    & skf21("1","5","4","2","2","5","7","1") = "6"
    & skf21("1","5","4","2","2","6","1","1") = "5"
    & skf21("1","5","4","2","2","6","2","1") = "5"
    & skf21("1","5","4","2","2","6","3","1") = "5"
    & skf21("1","5","4","2","2","6","4","1") = "5"
    & skf21("1","5","4","2","2","6","5","1") = "5"
    & skf21("1","5","4","2","2","6","6","1") = "5"
    & skf21("1","5","4","2","2","6","7","1") = "6"
    & skf21("1","5","4","2","2","7","1","1") = "6"
    & skf21("1","5","4","2","2","7","2","1") = "6"
    & skf21("1","5","4","2","2","7","3","1") = "6"
    & skf21("1","5","4","2","2","7","4","1") = "6"
    & skf21("1","5","4","2","2","7","5","1") = "6"
    & skf21("1","5","4","2","2","7","6","1") = "6"
    & skf21("1","5","4","2","2","7","7","1") = "6"
    & skf21("1","5","4","2","3","1","1","1") = "4"
    & skf21("1","5","4","2","3","1","2","1") = "4"
    & skf21("1","5","4","2","3","1","3","1") = "4"
    & skf21("1","5","4","2","3","1","4","1") = "4"
    & skf21("1","5","4","2","3","1","5","1") = "4"
    & skf21("1","5","4","2","3","1","6","1") = "5"
    & skf21("1","5","4","2","3","1","7","1") = "6"
    & skf21("1","5","4","2","3","2","1","1") = "4"
    & skf21("1","5","4","2","3","2","2","1") = "4"
    & skf21("1","5","4","2","3","2","3","1") = "4"
    & skf21("1","5","4","2","3","2","4","1") = "4"
    & skf21("1","5","4","2","3","2","5","1") = "4"
    & skf21("1","5","4","2","3","2","6","1") = "5"
    & skf21("1","5","4","2","3","2","7","1") = "6"
    & skf21("1","5","4","2","3","3","1","1") = "4"
    & skf21("1","5","4","2","3","3","2","1") = "4"
    & skf21("1","5","4","2","3","3","3","1") = "4"
    & skf21("1","5","4","2","3","3","4","1") = "4"
    & skf21("1","5","4","2","3","3","5","1") = "4"
    & skf21("1","5","4","2","3","3","6","1") = "5"
    & skf21("1","5","4","2","3","3","7","1") = "6"
    & skf21("1","5","4","2","3","4","1","1") = "4"
    & skf21("1","5","4","2","3","4","2","1") = "4"
    & skf21("1","5","4","2","3","4","3","1") = "4"
    & skf21("1","5","4","2","3","4","4","1") = "4"
    & skf21("1","5","4","2","3","4","5","1") = "4"
    & skf21("1","5","4","2","3","4","6","1") = "5"
    & skf21("1","5","4","2","3","4","7","1") = "6"
    & skf21("1","5","4","2","3","5","1","1") = "4"
    & skf21("1","5","4","2","3","5","2","1") = "4"
    & skf21("1","5","4","2","3","5","3","1") = "4"
    & skf21("1","5","4","2","3","5","4","1") = "4"
    & skf21("1","5","4","2","3","5","5","1") = "4"
    & skf21("1","5","4","2","3","5","6","1") = "5"
    & skf21("1","5","4","2","3","5","7","1") = "6"
    & skf21("1","5","4","2","3","6","1","1") = "5"
    & skf21("1","5","4","2","3","6","2","1") = "5"
    & skf21("1","5","4","2","3","6","3","1") = "5"
    & skf21("1","5","4","2","3","6","4","1") = "5"
    & skf21("1","5","4","2","3","6","5","1") = "5"
    & skf21("1","5","4","2","3","6","6","1") = "5"
    & skf21("1","5","4","2","3","6","7","1") = "6"
    & skf21("1","5","4","2","3","7","1","1") = "6"
    & skf21("1","5","4","2","3","7","2","1") = "6"
    & skf21("1","5","4","2","3","7","3","1") = "6"
    & skf21("1","5","4","2","3","7","4","1") = "6"
    & skf21("1","5","4","2","3","7","5","1") = "6"
    & skf21("1","5","4","2","3","7","6","1") = "6"
    & skf21("1","5","4","2","3","7","7","1") = "6"
    & skf21("1","5","4","2","4","1","1","1") = "4"
    & skf21("1","5","4","2","4","1","2","1") = "4"
    & skf21("1","5","4","2","4","1","3","1") = "4"
    & skf21("1","5","4","2","4","1","4","1") = "4"
    & skf21("1","5","4","2","4","1","5","1") = "4"
    & skf21("1","5","4","2","4","1","6","1") = "5"
    & skf21("1","5","4","2","4","1","7","1") = "6"
    & skf21("1","5","4","2","4","2","1","1") = "4"
    & skf21("1","5","4","2","4","2","2","1") = "4"
    & skf21("1","5","4","2","4","2","3","1") = "4"
    & skf21("1","5","4","2","4","2","4","1") = "4"
    & skf21("1","5","4","2","4","2","5","1") = "4"
    & skf21("1","5","4","2","4","2","6","1") = "5"
    & skf21("1","5","4","2","4","2","7","1") = "6"
    & skf21("1","5","4","2","4","3","1","1") = "4"
    & skf21("1","5","4","2","4","3","2","1") = "4"
    & skf21("1","5","4","2","4","3","3","1") = "4"
    & skf21("1","5","4","2","4","3","4","1") = "4"
    & skf21("1","5","4","2","4","3","5","1") = "4"
    & skf21("1","5","4","2","4","3","6","1") = "5"
    & skf21("1","5","4","2","4","3","7","1") = "6"
    & skf21("1","5","4","2","4","4","1","1") = "4"
    & skf21("1","5","4","2","4","4","2","1") = "4"
    & skf21("1","5","4","2","4","4","3","1") = "4"
    & skf21("1","5","4","2","4","4","4","1") = "4"
    & skf21("1","5","4","2","4","4","5","1") = "4"
    & skf21("1","5","4","2","4","4","6","1") = "5"
    & skf21("1","5","4","2","4","4","7","1") = "6"
    & skf21("1","5","4","2","4","5","1","1") = "4"
    & skf21("1","5","4","2","4","5","2","1") = "4"
    & skf21("1","5","4","2","4","5","3","1") = "4"
    & skf21("1","5","4","2","4","5","4","1") = "4"
    & skf21("1","5","4","2","4","5","5","1") = "4"
    & skf21("1","5","4","2","4","5","6","1") = "5"
    & skf21("1","5","4","2","4","5","7","1") = "6"
    & skf21("1","5","4","2","4","6","1","1") = "5"
    & skf21("1","5","4","2","4","6","2","1") = "5"
    & skf21("1","5","4","2","4","6","3","1") = "5"
    & skf21("1","5","4","2","4","6","4","1") = "5"
    & skf21("1","5","4","2","4","6","5","1") = "5"
    & skf21("1","5","4","2","4","6","6","1") = "5"
    & skf21("1","5","4","2","4","6","7","1") = "6"
    & skf21("1","5","4","2","4","7","1","1") = "6"
    & skf21("1","5","4","2","4","7","2","1") = "6"
    & skf21("1","5","4","2","4","7","3","1") = "6"
    & skf21("1","5","4","2","4","7","4","1") = "6"
    & skf21("1","5","4","2","4","7","5","1") = "6"
    & skf21("1","5","4","2","4","7","6","1") = "6"
    & skf21("1","5","4","2","4","7","7","1") = "6"
    & skf21("1","5","4","2","5","1","1","1") = "4"
    & skf21("1","5","4","2","5","1","2","1") = "4"
    & skf21("1","5","4","2","5","1","3","1") = "4"
    & skf21("1","5","4","2","5","1","4","1") = "4"
    & skf21("1","5","4","2","5","1","5","1") = "4"
    & skf21("1","5","4","2","5","1","6","1") = "5"
    & skf21("1","5","4","2","5","1","7","1") = "6"
    & skf21("1","5","4","2","5","2","1","1") = "4"
    & skf21("1","5","4","2","5","2","2","1") = "4"
    & skf21("1","5","4","2","5","2","3","1") = "4"
    & skf21("1","5","4","2","5","2","4","1") = "4"
    & skf21("1","5","4","2","5","2","5","1") = "4"
    & skf21("1","5","4","2","5","2","6","1") = "5"
    & skf21("1","5","4","2","5","2","7","1") = "6"
    & skf21("1","5","4","2","5","3","1","1") = "4"
    & skf21("1","5","4","2","5","3","2","1") = "4"
    & skf21("1","5","4","2","5","3","3","1") = "4"
    & skf21("1","5","4","2","5","3","4","1") = "4"
    & skf21("1","5","4","2","5","3","5","1") = "4"
    & skf21("1","5","4","2","5","3","6","1") = "5"
    & skf21("1","5","4","2","5","3","7","1") = "6"
    & skf21("1","5","4","2","5","4","1","1") = "4"
    & skf21("1","5","4","2","5","4","2","1") = "4"
    & skf21("1","5","4","2","5","4","3","1") = "4"
    & skf21("1","5","4","2","5","4","4","1") = "4"
    & skf21("1","5","4","2","5","4","5","1") = "4"
    & skf21("1","5","4","2","5","4","6","1") = "5"
    & skf21("1","5","4","2","5","4","7","1") = "6"
    & skf21("1","5","4","2","5","5","1","1") = "4"
    & skf21("1","5","4","2","5","5","2","1") = "4"
    & skf21("1","5","4","2","5","5","3","1") = "4"
    & skf21("1","5","4","2","5","5","4","1") = "4"
    & skf21("1","5","4","2","5","5","5","1") = "4"
    & skf21("1","5","4","2","5","5","6","1") = "5"
    & skf21("1","5","4","2","5","5","7","1") = "6"
    & skf21("1","5","4","2","5","6","1","1") = "5"
    & skf21("1","5","4","2","5","6","2","1") = "5"
    & skf21("1","5","4","2","5","6","3","1") = "5"
    & skf21("1","5","4","2","5","6","4","1") = "5"
    & skf21("1","5","4","2","5","6","5","1") = "5"
    & skf21("1","5","4","2","5","6","6","1") = "5"
    & skf21("1","5","4","2","5","6","7","1") = "6"
    & skf21("1","5","4","2","5","7","1","1") = "6"
    & skf21("1","5","4","2","5","7","2","1") = "6"
    & skf21("1","5","4","2","5","7","3","1") = "6"
    & skf21("1","5","4","2","5","7","4","1") = "6"
    & skf21("1","5","4","2","5","7","5","1") = "6"
    & skf21("1","5","4","2","5","7","6","1") = "6"
    & skf21("1","5","4","2","5","7","7","1") = "6"
    & skf21("1","5","4","2","6","1","1","1") = "5"
    & skf21("1","5","4","2","6","1","2","1") = "5"
    & skf21("1","5","4","2","6","1","3","1") = "5"
    & skf21("1","5","4","2","6","1","4","1") = "5"
    & skf21("1","5","4","2","6","1","5","1") = "5"
    & skf21("1","5","4","2","6","1","6","1") = "5"
    & skf21("1","5","4","2","6","1","7","1") = "6"
    & skf21("1","5","4","2","6","2","1","1") = "5"
    & skf21("1","5","4","2","6","2","2","1") = "5"
    & skf21("1","5","4","2","6","2","3","1") = "5"
    & skf21("1","5","4","2","6","2","4","1") = "5"
    & skf21("1","5","4","2","6","2","5","1") = "5"
    & skf21("1","5","4","2","6","2","6","1") = "5"
    & skf21("1","5","4","2","6","2","7","1") = "6"
    & skf21("1","5","4","2","6","3","1","1") = "5"
    & skf21("1","5","4","2","6","3","2","1") = "5"
    & skf21("1","5","4","2","6","3","3","1") = "5"
    & skf21("1","5","4","2","6","3","4","1") = "5"
    & skf21("1","5","4","2","6","3","5","1") = "5"
    & skf21("1","5","4","2","6","3","6","1") = "5"
    & skf21("1","5","4","2","6","3","7","1") = "6"
    & skf21("1","5","4","2","6","4","1","1") = "5"
    & skf21("1","5","4","2","6","4","2","1") = "5"
    & skf21("1","5","4","2","6","4","3","1") = "5"
    & skf21("1","5","4","2","6","4","4","1") = "5"
    & skf21("1","5","4","2","6","4","5","1") = "5"
    & skf21("1","5","4","2","6","4","6","1") = "5"
    & skf21("1","5","4","2","6","4","7","1") = "6"
    & skf21("1","5","4","2","6","5","1","1") = "5"
    & skf21("1","5","4","2","6","5","2","1") = "5"
    & skf21("1","5","4","2","6","5","3","1") = "5"
    & skf21("1","5","4","2","6","5","4","1") = "5"
    & skf21("1","5","4","2","6","5","5","1") = "5"
    & skf21("1","5","4","2","6","5","6","1") = "5"
    & skf21("1","5","4","2","6","5","7","1") = "6"
    & skf21("1","5","4","2","6","6","1","1") = "5"
    & skf21("1","5","4","2","6","6","2","1") = "5"
    & skf21("1","5","4","2","6","6","3","1") = "5"
    & skf21("1","5","4","2","6","6","4","1") = "5"
    & skf21("1","5","4","2","6","6","5","1") = "5"
    & skf21("1","5","4","2","6","6","6","1") = "5"
    & skf21("1","5","4","2","6","6","7","1") = "6"
    & skf21("1","5","4","2","6","7","1","1") = "6"
    & skf21("1","5","4","2","6","7","2","1") = "6"
    & skf21("1","5","4","2","6","7","3","1") = "6"
    & skf21("1","5","4","2","6","7","4","1") = "6"
    & skf21("1","5","4","2","6","7","5","1") = "6"
    & skf21("1","5","4","2","6","7","6","1") = "6"
    & skf21("1","5","4","2","6","7","7","1") = "6"
    & skf21("1","5","4","2","7","1","1","1") = "6"
    & skf21("1","5","4","2","7","1","2","1") = "6"
    & skf21("1","5","4","2","7","1","3","1") = "6"
    & skf21("1","5","4","2","7","1","4","1") = "6"
    & skf21("1","5","4","2","7","1","5","1") = "6"
    & skf21("1","5","4","2","7","1","6","1") = "6"
    & skf21("1","5","4","2","7","1","7","1") = "6"
    & skf21("1","5","4","2","7","2","1","1") = "6"
    & skf21("1","5","4","2","7","2","2","1") = "6"
    & skf21("1","5","4","2","7","2","3","1") = "6"
    & skf21("1","5","4","2","7","2","4","1") = "6"
    & skf21("1","5","4","2","7","2","5","1") = "6"
    & skf21("1","5","4","2","7","2","6","1") = "6"
    & skf21("1","5","4","2","7","2","7","1") = "6"
    & skf21("1","5","4","2","7","3","1","1") = "6"
    & skf21("1","5","4","2","7","3","2","1") = "6"
    & skf21("1","5","4","2","7","3","3","1") = "6"
    & skf21("1","5","4","2","7","3","4","1") = "6"
    & skf21("1","5","4","2","7","3","5","1") = "6"
    & skf21("1","5","4","2","7","3","6","1") = "6"
    & skf21("1","5","4","2","7","3","7","1") = "6"
    & skf21("1","5","4","2","7","4","1","1") = "6"
    & skf21("1","5","4","2","7","4","2","1") = "6"
    & skf21("1","5","4","2","7","4","3","1") = "6"
    & skf21("1","5","4","2","7","4","4","1") = "6"
    & skf21("1","5","4","2","7","4","5","1") = "6"
    & skf21("1","5","4","2","7","4","6","1") = "6"
    & skf21("1","5","4","2","7","4","7","1") = "6"
    & skf21("1","5","4","2","7","5","1","1") = "6"
    & skf21("1","5","4","2","7","5","2","1") = "6"
    & skf21("1","5","4","2","7","5","3","1") = "6"
    & skf21("1","5","4","2","7","5","4","1") = "6"
    & skf21("1","5","4","2","7","5","5","1") = "6"
    & skf21("1","5","4","2","7","5","6","1") = "6"
    & skf21("1","5","4","2","7","5","7","1") = "6"
    & skf21("1","5","4","2","7","6","1","1") = "6"
    & skf21("1","5","4","2","7","6","2","1") = "6"
    & skf21("1","5","4","2","7","6","3","1") = "6"
    & skf21("1","5","4","2","7","6","4","1") = "6"
    & skf21("1","5","4","2","7","6","5","1") = "6"
    & skf21("1","5","4","2","7","6","6","1") = "6"
    & skf21("1","5","4","2","7","6","7","1") = "6"
    & skf21("1","5","4","2","7","7","1","1") = "6"
    & skf21("1","5","4","2","7","7","2","1") = "6"
    & skf21("1","5","4","2","7","7","3","1") = "6"
    & skf21("1","5","4","2","7","7","4","1") = "6"
    & skf21("1","5","4","2","7","7","5","1") = "6"
    & skf21("1","5","4","2","7","7","6","1") = "6"
    & skf21("1","5","4","2","7","7","7","1") = "6"
    & skf21("1","5","4","3","1","1","1","1") = "4"
    & skf21("1","5","4","3","1","1","2","1") = "4"
    & skf21("1","5","4","3","1","1","3","1") = "4"
    & skf21("1","5","4","3","1","1","4","1") = "4"
    & skf21("1","5","4","3","1","1","5","1") = "4"
    & skf21("1","5","4","3","1","1","6","1") = "5"
    & skf21("1","5","4","3","1","1","7","1") = "6"
    & skf21("1","5","4","3","1","2","1","1") = "4"
    & skf21("1","5","4","3","1","2","2","1") = "4"
    & skf21("1","5","4","3","1","2","3","1") = "4"
    & skf21("1","5","4","3","1","2","4","1") = "4"
    & skf21("1","5","4","3","1","2","5","1") = "4"
    & skf21("1","5","4","3","1","2","6","1") = "5"
    & skf21("1","5","4","3","1","2","7","1") = "6"
    & skf21("1","5","4","3","1","3","1","1") = "4"
    & skf21("1","5","4","3","1","3","2","1") = "4"
    & skf21("1","5","4","3","1","3","3","1") = "4"
    & skf21("1","5","4","3","1","3","4","1") = "4"
    & skf21("1","5","4","3","1","3","5","1") = "4"
    & skf21("1","5","4","3","1","3","6","1") = "5"
    & skf21("1","5","4","3","1","3","7","1") = "6"
    & skf21("1","5","4","3","1","4","1","1") = "4"
    & skf21("1","5","4","3","1","4","2","1") = "4"
    & skf21("1","5","4","3","1","4","3","1") = "4"
    & skf21("1","5","4","3","1","4","4","1") = "4"
    & skf21("1","5","4","3","1","4","5","1") = "4"
    & skf21("1","5","4","3","1","4","6","1") = "5"
    & skf21("1","5","4","3","1","4","7","1") = "6"
    & skf21("1","5","4","3","1","5","1","1") = "4"
    & skf21("1","5","4","3","1","5","2","1") = "4"
    & skf21("1","5","4","3","1","5","3","1") = "4"
    & skf21("1","5","4","3","1","5","4","1") = "4"
    & skf21("1","5","4","3","1","5","5","1") = "4"
    & skf21("1","5","4","3","1","5","6","1") = "5"
    & skf21("1","5","4","3","1","5","7","1") = "6"
    & skf21("1","5","4","3","1","6","1","1") = "5"
    & skf21("1","5","4","3","1","6","2","1") = "5"
    & skf21("1","5","4","3","1","6","3","1") = "5"
    & skf21("1","5","4","3","1","6","4","1") = "5"
    & skf21("1","5","4","3","1","6","5","1") = "5"
    & skf21("1","5","4","3","1","6","6","1") = "5"
    & skf21("1","5","4","3","1","6","7","1") = "6"
    & skf21("1","5","4","3","1","7","1","1") = "6"
    & skf21("1","5","4","3","1","7","2","1") = "6"
    & skf21("1","5","4","3","1","7","3","1") = "6"
    & skf21("1","5","4","3","1","7","4","1") = "6"
    & skf21("1","5","4","3","1","7","5","1") = "6"
    & skf21("1","5","4","3","1","7","6","1") = "6"
    & skf21("1","5","4","3","1","7","7","1") = "6"
    & skf21("1","5","4","3","2","1","1","1") = "4"
    & skf21("1","5","4","3","2","1","2","1") = "4"
    & skf21("1","5","4","3","2","1","3","1") = "4"
    & skf21("1","5","4","3","2","1","4","1") = "4"
    & skf21("1","5","4","3","2","1","5","1") = "4"
    & skf21("1","5","4","3","2","1","6","1") = "5"
    & skf21("1","5","4","3","2","1","7","1") = "6"
    & skf21("1","5","4","3","2","2","1","1") = "4"
    & skf21("1","5","4","3","2","2","2","1") = "4"
    & skf21("1","5","4","3","2","2","3","1") = "4"
    & skf21("1","5","4","3","2","2","4","1") = "4"
    & skf21("1","5","4","3","2","2","5","1") = "4"
    & skf21("1","5","4","3","2","2","6","1") = "5"
    & skf21("1","5","4","3","2","2","7","1") = "6"
    & skf21("1","5","4","3","2","3","1","1") = "4"
    & skf21("1","5","4","3","2","3","2","1") = "4"
    & skf21("1","5","4","3","2","3","3","1") = "4"
    & skf21("1","5","4","3","2","3","4","1") = "4"
    & skf21("1","5","4","3","2","3","5","1") = "4"
    & skf21("1","5","4","3","2","3","6","1") = "5"
    & skf21("1","5","4","3","2","3","7","1") = "6"
    & skf21("1","5","4","3","2","4","1","1") = "4"
    & skf21("1","5","4","3","2","4","2","1") = "4"
    & skf21("1","5","4","3","2","4","3","1") = "4"
    & skf21("1","5","4","3","2","4","4","1") = "4"
    & skf21("1","5","4","3","2","4","5","1") = "4"
    & skf21("1","5","4","3","2","4","6","1") = "5"
    & skf21("1","5","4","3","2","4","7","1") = "6"
    & skf21("1","5","4","3","2","5","1","1") = "4"
    & skf21("1","5","4","3","2","5","2","1") = "4"
    & skf21("1","5","4","3","2","5","3","1") = "4"
    & skf21("1","5","4","3","2","5","4","1") = "4"
    & skf21("1","5","4","3","2","5","5","1") = "4"
    & skf21("1","5","4","3","2","5","6","1") = "5"
    & skf21("1","5","4","3","2","5","7","1") = "6"
    & skf21("1","5","4","3","2","6","1","1") = "5"
    & skf21("1","5","4","3","2","6","2","1") = "5"
    & skf21("1","5","4","3","2","6","3","1") = "5"
    & skf21("1","5","4","3","2","6","4","1") = "5"
    & skf21("1","5","4","3","2","6","5","1") = "5"
    & skf21("1","5","4","3","2","6","6","1") = "5"
    & skf21("1","5","4","3","2","6","7","1") = "6"
    & skf21("1","5","4","3","2","7","1","1") = "6"
    & skf21("1","5","4","3","2","7","2","1") = "6"
    & skf21("1","5","4","3","2","7","3","1") = "6"
    & skf21("1","5","4","3","2","7","4","1") = "6"
    & skf21("1","5","4","3","2","7","5","1") = "6"
    & skf21("1","5","4","3","2","7","6","1") = "6"
    & skf21("1","5","4","3","2","7","7","1") = "6"
    & skf21("1","5","4","3","3","1","1","1") = "4"
    & skf21("1","5","4","3","3","1","2","1") = "4"
    & skf21("1","5","4","3","3","1","3","1") = "4"
    & skf21("1","5","4","3","3","1","4","1") = "4"
    & skf21("1","5","4","3","3","1","5","1") = "4"
    & skf21("1","5","4","3","3","1","6","1") = "5"
    & skf21("1","5","4","3","3","1","7","1") = "6"
    & skf21("1","5","4","3","3","2","1","1") = "4"
    & skf21("1","5","4","3","3","2","2","1") = "4"
    & skf21("1","5","4","3","3","2","3","1") = "4"
    & skf21("1","5","4","3","3","2","4","1") = "4"
    & skf21("1","5","4","3","3","2","5","1") = "4"
    & skf21("1","5","4","3","3","2","6","1") = "5"
    & skf21("1","5","4","3","3","2","7","1") = "6"
    & skf21("1","5","4","3","3","3","1","1") = "4"
    & skf21("1","5","4","3","3","3","2","1") = "4"
    & skf21("1","5","4","3","3","3","3","1") = "4"
    & skf21("1","5","4","3","3","3","4","1") = "4"
    & skf21("1","5","4","3","3","3","5","1") = "4"
    & skf21("1","5","4","3","3","3","6","1") = "5"
    & skf21("1","5","4","3","3","3","7","1") = "6"
    & skf21("1","5","4","3","3","4","1","1") = "4"
    & skf21("1","5","4","3","3","4","2","1") = "4"
    & skf21("1","5","4","3","3","4","3","1") = "4"
    & skf21("1","5","4","3","3","4","4","1") = "4"
    & skf21("1","5","4","3","3","4","5","1") = "4"
    & skf21("1","5","4","3","3","4","6","1") = "5"
    & skf21("1","5","4","3","3","4","7","1") = "6"
    & skf21("1","5","4","3","3","5","1","1") = "4"
    & skf21("1","5","4","3","3","5","2","1") = "4"
    & skf21("1","5","4","3","3","5","3","1") = "4"
    & skf21("1","5","4","3","3","5","4","1") = "4"
    & skf21("1","5","4","3","3","5","5","1") = "4"
    & skf21("1","5","4","3","3","5","6","1") = "5"
    & skf21("1","5","4","3","3","5","7","1") = "6"
    & skf21("1","5","4","3","3","6","1","1") = "5"
    & skf21("1","5","4","3","3","6","2","1") = "5"
    & skf21("1","5","4","3","3","6","3","1") = "5"
    & skf21("1","5","4","3","3","6","4","1") = "5"
    & skf21("1","5","4","3","3","6","5","1") = "5"
    & skf21("1","5","4","3","3","6","6","1") = "5"
    & skf21("1","5","4","3","3","6","7","1") = "6"
    & skf21("1","5","4","3","3","7","1","1") = "6"
    & skf21("1","5","4","3","3","7","2","1") = "6"
    & skf21("1","5","4","3","3","7","3","1") = "6"
    & skf21("1","5","4","3","3","7","4","1") = "6"
    & skf21("1","5","4","3","3","7","5","1") = "6"
    & skf21("1","5","4","3","3","7","6","1") = "6"
    & skf21("1","5","4","3","3","7","7","1") = "6"
    & skf21("1","5","4","3","4","1","1","1") = "4"
    & skf21("1","5","4","3","4","1","2","1") = "4"
    & skf21("1","5","4","3","4","1","3","1") = "4"
    & skf21("1","5","4","3","4","1","4","1") = "4"
    & skf21("1","5","4","3","4","1","5","1") = "4"
    & skf21("1","5","4","3","4","1","6","1") = "5"
    & skf21("1","5","4","3","4","1","7","1") = "6"
    & skf21("1","5","4","3","4","2","1","1") = "4"
    & skf21("1","5","4","3","4","2","2","1") = "4"
    & skf21("1","5","4","3","4","2","3","1") = "4"
    & skf21("1","5","4","3","4","2","4","1") = "4"
    & skf21("1","5","4","3","4","2","5","1") = "4"
    & skf21("1","5","4","3","4","2","6","1") = "5"
    & skf21("1","5","4","3","4","2","7","1") = "6"
    & skf21("1","5","4","3","4","3","1","1") = "4"
    & skf21("1","5","4","3","4","3","2","1") = "4"
    & skf21("1","5","4","3","4","3","3","1") = "4"
    & skf21("1","5","4","3","4","3","4","1") = "4"
    & skf21("1","5","4","3","4","3","5","1") = "4"
    & skf21("1","5","4","3","4","3","6","1") = "5"
    & skf21("1","5","4","3","4","3","7","1") = "6"
    & skf21("1","5","4","3","4","4","1","1") = "4"
    & skf21("1","5","4","3","4","4","2","1") = "4"
    & skf21("1","5","4","3","4","4","3","1") = "4"
    & skf21("1","5","4","3","4","4","4","1") = "4"
    & skf21("1","5","4","3","4","4","5","1") = "4"
    & skf21("1","5","4","3","4","4","6","1") = "5"
    & skf21("1","5","4","3","4","4","7","1") = "6"
    & skf21("1","5","4","3","4","5","1","1") = "4"
    & skf21("1","5","4","3","4","5","2","1") = "4"
    & skf21("1","5","4","3","4","5","3","1") = "4"
    & skf21("1","5","4","3","4","5","4","1") = "4"
    & skf21("1","5","4","3","4","5","5","1") = "4"
    & skf21("1","5","4","3","4","5","6","1") = "5"
    & skf21("1","5","4","3","4","5","7","1") = "6"
    & skf21("1","5","4","3","4","6","1","1") = "5"
    & skf21("1","5","4","3","4","6","2","1") = "5"
    & skf21("1","5","4","3","4","6","3","1") = "5"
    & skf21("1","5","4","3","4","6","4","1") = "5"
    & skf21("1","5","4","3","4","6","5","1") = "5"
    & skf21("1","5","4","3","4","6","6","1") = "5"
    & skf21("1","5","4","3","4","6","7","1") = "6"
    & skf21("1","5","4","3","4","7","1","1") = "6"
    & skf21("1","5","4","3","4","7","2","1") = "6"
    & skf21("1","5","4","3","4","7","3","1") = "6"
    & skf21("1","5","4","3","4","7","4","1") = "6"
    & skf21("1","5","4","3","4","7","5","1") = "6"
    & skf21("1","5","4","3","4","7","6","1") = "6"
    & skf21("1","5","4","3","4","7","7","1") = "6"
    & skf21("1","5","4","3","5","1","1","1") = "4"
    & skf21("1","5","4","3","5","1","2","1") = "4"
    & skf21("1","5","4","3","5","1","3","1") = "4"
    & skf21("1","5","4","3","5","1","4","1") = "4"
    & skf21("1","5","4","3","5","1","5","1") = "4"
    & skf21("1","5","4","3","5","1","6","1") = "5"
    & skf21("1","5","4","3","5","1","7","1") = "6"
    & skf21("1","5","4","3","5","2","1","1") = "4"
    & skf21("1","5","4","3","5","2","2","1") = "4"
    & skf21("1","5","4","3","5","2","3","1") = "4"
    & skf21("1","5","4","3","5","2","4","1") = "4"
    & skf21("1","5","4","3","5","2","5","1") = "4"
    & skf21("1","5","4","3","5","2","6","1") = "5"
    & skf21("1","5","4","3","5","2","7","1") = "6"
    & skf21("1","5","4","3","5","3","1","1") = "4"
    & skf21("1","5","4","3","5","3","2","1") = "4"
    & skf21("1","5","4","3","5","3","3","1") = "4"
    & skf21("1","5","4","3","5","3","4","1") = "4"
    & skf21("1","5","4","3","5","3","5","1") = "4"
    & skf21("1","5","4","3","5","3","6","1") = "5"
    & skf21("1","5","4","3","5","3","7","1") = "6"
    & skf21("1","5","4","3","5","4","1","1") = "4"
    & skf21("1","5","4","3","5","4","2","1") = "4"
    & skf21("1","5","4","3","5","4","3","1") = "4"
    & skf21("1","5","4","3","5","4","4","1") = "4"
    & skf21("1","5","4","3","5","4","5","1") = "4"
    & skf21("1","5","4","3","5","4","6","1") = "5"
    & skf21("1","5","4","3","5","4","7","1") = "6"
    & skf21("1","5","4","3","5","5","1","1") = "4"
    & skf21("1","5","4","3","5","5","2","1") = "4"
    & skf21("1","5","4","3","5","5","3","1") = "4"
    & skf21("1","5","4","3","5","5","4","1") = "4"
    & skf21("1","5","4","3","5","5","5","1") = "4"
    & skf21("1","5","4","3","5","5","6","1") = "5"
    & skf21("1","5","4","3","5","5","7","1") = "6"
    & skf21("1","5","4","3","5","6","1","1") = "5"
    & skf21("1","5","4","3","5","6","2","1") = "5"
    & skf21("1","5","4","3","5","6","3","1") = "5"
    & skf21("1","5","4","3","5","6","4","1") = "5"
    & skf21("1","5","4","3","5","6","5","1") = "5"
    & skf21("1","5","4","3","5","6","6","1") = "5"
    & skf21("1","5","4","3","5","6","7","1") = "6"
    & skf21("1","5","4","3","5","7","1","1") = "6"
    & skf21("1","5","4","3","5","7","2","1") = "6"
    & skf21("1","5","4","3","5","7","3","1") = "6"
    & skf21("1","5","4","3","5","7","4","1") = "6"
    & skf21("1","5","4","3","5","7","5","1") = "6"
    & skf21("1","5","4","3","5","7","6","1") = "6"
    & skf21("1","5","4","3","5","7","7","1") = "6"
    & skf21("1","5","4","3","6","1","1","1") = "5"
    & skf21("1","5","4","3","6","1","2","1") = "5"
    & skf21("1","5","4","3","6","1","3","1") = "5"
    & skf21("1","5","4","3","6","1","4","1") = "5"
    & skf21("1","5","4","3","6","1","5","1") = "5"
    & skf21("1","5","4","3","6","1","6","1") = "5"
    & skf21("1","5","4","3","6","1","7","1") = "6"
    & skf21("1","5","4","3","6","2","1","1") = "5"
    & skf21("1","5","4","3","6","2","2","1") = "5"
    & skf21("1","5","4","3","6","2","3","1") = "5"
    & skf21("1","5","4","3","6","2","4","1") = "5"
    & skf21("1","5","4","3","6","2","5","1") = "5"
    & skf21("1","5","4","3","6","2","6","1") = "5"
    & skf21("1","5","4","3","6","2","7","1") = "6"
    & skf21("1","5","4","3","6","3","1","1") = "5"
    & skf21("1","5","4","3","6","3","2","1") = "5"
    & skf21("1","5","4","3","6","3","3","1") = "5"
    & skf21("1","5","4","3","6","3","4","1") = "5"
    & skf21("1","5","4","3","6","3","5","1") = "5"
    & skf21("1","5","4","3","6","3","6","1") = "5"
    & skf21("1","5","4","3","6","3","7","1") = "6"
    & skf21("1","5","4","3","6","4","1","1") = "5"
    & skf21("1","5","4","3","6","4","2","1") = "5"
    & skf21("1","5","4","3","6","4","3","1") = "5"
    & skf21("1","5","4","3","6","4","4","1") = "5"
    & skf21("1","5","4","3","6","4","5","1") = "5"
    & skf21("1","5","4","3","6","4","6","1") = "5"
    & skf21("1","5","4","3","6","4","7","1") = "6"
    & skf21("1","5","4","3","6","5","1","1") = "5"
    & skf21("1","5","4","3","6","5","2","1") = "5"
    & skf21("1","5","4","3","6","5","3","1") = "5"
    & skf21("1","5","4","3","6","5","4","1") = "5"
    & skf21("1","5","4","3","6","5","5","1") = "5"
    & skf21("1","5","4","3","6","5","6","1") = "5"
    & skf21("1","5","4","3","6","5","7","1") = "6"
    & skf21("1","5","4","3","6","6","1","1") = "5"
    & skf21("1","5","4","3","6","6","2","1") = "5"
    & skf21("1","5","4","3","6","6","3","1") = "5"
    & skf21("1","5","4","3","6","6","4","1") = "5"
    & skf21("1","5","4","3","6","6","5","1") = "5"
    & skf21("1","5","4","3","6","6","6","1") = "5"
    & skf21("1","5","4","3","6","6","7","1") = "6"
    & skf21("1","5","4","3","6","7","1","1") = "6"
    & skf21("1","5","4","3","6","7","2","1") = "6"
    & skf21("1","5","4","3","6","7","3","1") = "6"
    & skf21("1","5","4","3","6","7","4","1") = "6"
    & skf21("1","5","4","3","6","7","5","1") = "6"
    & skf21("1","5","4","3","6","7","6","1") = "6"
    & skf21("1","5","4","3","6","7","7","1") = "6"
    & skf21("1","5","4","3","7","1","1","1") = "6"
    & skf21("1","5","4","3","7","1","2","1") = "6"
    & skf21("1","5","4","3","7","1","3","1") = "6"
    & skf21("1","5","4","3","7","1","4","1") = "6"
    & skf21("1","5","4","3","7","1","5","1") = "6"
    & skf21("1","5","4","3","7","1","6","1") = "6"
    & skf21("1","5","4","3","7","1","7","1") = "6"
    & skf21("1","5","4","3","7","2","1","1") = "6"
    & skf21("1","5","4","3","7","2","2","1") = "6"
    & skf21("1","5","4","3","7","2","3","1") = "6"
    & skf21("1","5","4","3","7","2","4","1") = "6"
    & skf21("1","5","4","3","7","2","5","1") = "6"
    & skf21("1","5","4","3","7","2","6","1") = "6"
    & skf21("1","5","4","3","7","2","7","1") = "6"
    & skf21("1","5","4","3","7","3","1","1") = "6"
    & skf21("1","5","4","3","7","3","2","1") = "6"
    & skf21("1","5","4","3","7","3","3","1") = "6"
    & skf21("1","5","4","3","7","3","4","1") = "6"
    & skf21("1","5","4","3","7","3","5","1") = "6"
    & skf21("1","5","4","3","7","3","6","1") = "6"
    & skf21("1","5","4","3","7","3","7","1") = "6"
    & skf21("1","5","4","3","7","4","1","1") = "6"
    & skf21("1","5","4","3","7","4","2","1") = "6"
    & skf21("1","5","4","3","7","4","3","1") = "6"
    & skf21("1","5","4","3","7","4","4","1") = "6"
    & skf21("1","5","4","3","7","4","5","1") = "6"
    & skf21("1","5","4","3","7","4","6","1") = "6"
    & skf21("1","5","4","3","7","4","7","1") = "6"
    & skf21("1","5","4","3","7","5","1","1") = "6"
    & skf21("1","5","4","3","7","5","2","1") = "6"
    & skf21("1","5","4","3","7","5","3","1") = "6"
    & skf21("1","5","4","3","7","5","4","1") = "6"
    & skf21("1","5","4","3","7","5","5","1") = "6"
    & skf21("1","5","4","3","7","5","6","1") = "6"
    & skf21("1","5","4","3","7","5","7","1") = "6"
    & skf21("1","5","4","3","7","6","1","1") = "6"
    & skf21("1","5","4","3","7","6","2","1") = "6"
    & skf21("1","5","4","3","7","6","3","1") = "6"
    & skf21("1","5","4","3","7","6","4","1") = "6"
    & skf21("1","5","4","3","7","6","5","1") = "6"
    & skf21("1","5","4","3","7","6","6","1") = "6"
    & skf21("1","5","4","3","7","6","7","1") = "6"
    & skf21("1","5","4","3","7","7","1","1") = "6"
    & skf21("1","5","4","3","7","7","2","1") = "6"
    & skf21("1","5","4","3","7","7","3","1") = "6"
    & skf21("1","5","4","3","7","7","4","1") = "6"
    & skf21("1","5","4","3","7","7","5","1") = "6"
    & skf21("1","5","4","3","7","7","6","1") = "6"
    & skf21("1","5","4","3","7","7","7","1") = "6"
    & skf21("1","5","4","4","1","1","1","1") = "4"
    & skf21("1","5","4","4","1","1","2","1") = "4"
    & skf21("1","5","4","4","1","1","3","1") = "4"
    & skf21("1","5","4","4","1","1","4","1") = "4"
    & skf21("1","5","4","4","1","1","5","1") = "4"
    & skf21("1","5","4","4","1","1","6","1") = "5"
    & skf21("1","5","4","4","1","1","7","1") = "6"
    & skf21("1","5","4","4","1","2","1","1") = "4"
    & skf21("1","5","4","4","1","2","2","1") = "4"
    & skf21("1","5","4","4","1","2","3","1") = "4"
    & skf21("1","5","4","4","1","2","4","1") = "4"
    & skf21("1","5","4","4","1","2","5","1") = "4"
    & skf21("1","5","4","4","1","2","6","1") = "5"
    & skf21("1","5","4","4","1","2","7","1") = "6"
    & skf21("1","5","4","4","1","3","1","1") = "4"
    & skf21("1","5","4","4","1","3","2","1") = "4"
    & skf21("1","5","4","4","1","3","3","1") = "4"
    & skf21("1","5","4","4","1","3","4","1") = "4"
    & skf21("1","5","4","4","1","3","5","1") = "4"
    & skf21("1","5","4","4","1","3","6","1") = "5"
    & skf21("1","5","4","4","1","3","7","1") = "6"
    & skf21("1","5","4","4","1","4","1","1") = "4"
    & skf21("1","5","4","4","1","4","2","1") = "4"
    & skf21("1","5","4","4","1","4","3","1") = "4"
    & skf21("1","5","4","4","1","4","4","1") = "4"
    & skf21("1","5","4","4","1","4","5","1") = "4"
    & skf21("1","5","4","4","1","4","6","1") = "5"
    & skf21("1","5","4","4","1","4","7","1") = "6"
    & skf21("1","5","4","4","1","5","1","1") = "4"
    & skf21("1","5","4","4","1","5","2","1") = "4"
    & skf21("1","5","4","4","1","5","3","1") = "4"
    & skf21("1","5","4","4","1","5","4","1") = "4"
    & skf21("1","5","4","4","1","5","5","1") = "4"
    & skf21("1","5","4","4","1","5","6","1") = "5"
    & skf21("1","5","4","4","1","5","7","1") = "6"
    & skf21("1","5","4","4","1","6","1","1") = "5"
    & skf21("1","5","4","4","1","6","2","1") = "5"
    & skf21("1","5","4","4","1","6","3","1") = "5"
    & skf21("1","5","4","4","1","6","4","1") = "5"
    & skf21("1","5","4","4","1","6","5","1") = "5"
    & skf21("1","5","4","4","1","6","6","1") = "5"
    & skf21("1","5","4","4","1","6","7","1") = "6"
    & skf21("1","5","4","4","1","7","1","1") = "6"
    & skf21("1","5","4","4","1","7","2","1") = "6"
    & skf21("1","5","4","4","1","7","3","1") = "6"
    & skf21("1","5","4","4","1","7","4","1") = "6"
    & skf21("1","5","4","4","1","7","5","1") = "6"
    & skf21("1","5","4","4","1","7","6","1") = "6"
    & skf21("1","5","4","4","1","7","7","1") = "6"
    & skf21("1","5","4","4","2","1","1","1") = "4"
    & skf21("1","5","4","4","2","1","2","1") = "4"
    & skf21("1","5","4","4","2","1","3","1") = "4"
    & skf21("1","5","4","4","2","1","4","1") = "4"
    & skf21("1","5","4","4","2","1","5","1") = "4"
    & skf21("1","5","4","4","2","1","6","1") = "5"
    & skf21("1","5","4","4","2","1","7","1") = "6"
    & skf21("1","5","4","4","2","2","1","1") = "4"
    & skf21("1","5","4","4","2","2","2","1") = "4"
    & skf21("1","5","4","4","2","2","3","1") = "4"
    & skf21("1","5","4","4","2","2","4","1") = "4"
    & skf21("1","5","4","4","2","2","5","1") = "4"
    & skf21("1","5","4","4","2","2","6","1") = "5"
    & skf21("1","5","4","4","2","2","7","1") = "6"
    & skf21("1","5","4","4","2","3","1","1") = "4"
    & skf21("1","5","4","4","2","3","2","1") = "4"
    & skf21("1","5","4","4","2","3","3","1") = "4"
    & skf21("1","5","4","4","2","3","4","1") = "4"
    & skf21("1","5","4","4","2","3","5","1") = "4"
    & skf21("1","5","4","4","2","3","6","1") = "5"
    & skf21("1","5","4","4","2","3","7","1") = "6"
    & skf21("1","5","4","4","2","4","1","1") = "4"
    & skf21("1","5","4","4","2","4","2","1") = "4"
    & skf21("1","5","4","4","2","4","3","1") = "4"
    & skf21("1","5","4","4","2","4","4","1") = "4"
    & skf21("1","5","4","4","2","4","5","1") = "4"
    & skf21("1","5","4","4","2","4","6","1") = "5"
    & skf21("1","5","4","4","2","4","7","1") = "6"
    & skf21("1","5","4","4","2","5","1","1") = "4"
    & skf21("1","5","4","4","2","5","2","1") = "4"
    & skf21("1","5","4","4","2","5","3","1") = "4"
    & skf21("1","5","4","4","2","5","4","1") = "4"
    & skf21("1","5","4","4","2","5","5","1") = "4"
    & skf21("1","5","4","4","2","5","6","1") = "5"
    & skf21("1","5","4","4","2","5","7","1") = "6"
    & skf21("1","5","4","4","2","6","1","1") = "5"
    & skf21("1","5","4","4","2","6","2","1") = "5"
    & skf21("1","5","4","4","2","6","3","1") = "5"
    & skf21("1","5","4","4","2","6","4","1") = "5"
    & skf21("1","5","4","4","2","6","5","1") = "5"
    & skf21("1","5","4","4","2","6","6","1") = "5"
    & skf21("1","5","4","4","2","6","7","1") = "6"
    & skf21("1","5","4","4","2","7","1","1") = "6"
    & skf21("1","5","4","4","2","7","2","1") = "6"
    & skf21("1","5","4","4","2","7","3","1") = "6"
    & skf21("1","5","4","4","2","7","4","1") = "6"
    & skf21("1","5","4","4","2","7","5","1") = "6"
    & skf21("1","5","4","4","2","7","6","1") = "6"
    & skf21("1","5","4","4","2","7","7","1") = "6"
    & skf21("1","5","4","4","3","1","1","1") = "4"
    & skf21("1","5","4","4","3","1","2","1") = "4"
    & skf21("1","5","4","4","3","1","3","1") = "4"
    & skf21("1","5","4","4","3","1","4","1") = "4"
    & skf21("1","5","4","4","3","1","5","1") = "4"
    & skf21("1","5","4","4","3","1","6","1") = "5"
    & skf21("1","5","4","4","3","1","7","1") = "6"
    & skf21("1","5","4","4","3","2","1","1") = "4"
    & skf21("1","5","4","4","3","2","2","1") = "4"
    & skf21("1","5","4","4","3","2","3","1") = "4"
    & skf21("1","5","4","4","3","2","4","1") = "4"
    & skf21("1","5","4","4","3","2","5","1") = "4"
    & skf21("1","5","4","4","3","2","6","1") = "5"
    & skf21("1","5","4","4","3","2","7","1") = "6"
    & skf21("1","5","4","4","3","3","1","1") = "4"
    & skf21("1","5","4","4","3","3","2","1") = "4"
    & skf21("1","5","4","4","3","3","3","1") = "4"
    & skf21("1","5","4","4","3","3","4","1") = "4"
    & skf21("1","5","4","4","3","3","5","1") = "4"
    & skf21("1","5","4","4","3","3","6","1") = "5"
    & skf21("1","5","4","4","3","3","7","1") = "6"
    & skf21("1","5","4","4","3","4","1","1") = "4"
    & skf21("1","5","4","4","3","4","2","1") = "4"
    & skf21("1","5","4","4","3","4","3","1") = "4"
    & skf21("1","5","4","4","3","4","4","1") = "4"
    & skf21("1","5","4","4","3","4","5","1") = "4"
    & skf21("1","5","4","4","3","4","6","1") = "5"
    & skf21("1","5","4","4","3","4","7","1") = "6"
    & skf21("1","5","4","4","3","5","1","1") = "4"
    & skf21("1","5","4","4","3","5","2","1") = "4"
    & skf21("1","5","4","4","3","5","3","1") = "4"
    & skf21("1","5","4","4","3","5","4","1") = "4"
    & skf21("1","5","4","4","3","5","5","1") = "4"
    & skf21("1","5","4","4","3","5","6","1") = "5"
    & skf21("1","5","4","4","3","5","7","1") = "6"
    & skf21("1","5","4","4","3","6","1","1") = "5"
    & skf21("1","5","4","4","3","6","2","1") = "5"
    & skf21("1","5","4","4","3","6","3","1") = "5"
    & skf21("1","5","4","4","3","6","4","1") = "5"
    & skf21("1","5","4","4","3","6","5","1") = "5"
    & skf21("1","5","4","4","3","6","6","1") = "5"
    & skf21("1","5","4","4","3","6","7","1") = "6"
    & skf21("1","5","4","4","3","7","1","1") = "6"
    & skf21("1","5","4","4","3","7","2","1") = "6"
    & skf21("1","5","4","4","3","7","3","1") = "6"
    & skf21("1","5","4","4","3","7","4","1") = "6"
    & skf21("1","5","4","4","3","7","5","1") = "6"
    & skf21("1","5","4","4","3","7","6","1") = "6"
    & skf21("1","5","4","4","3","7","7","1") = "6"
    & skf21("1","5","4","4","4","1","1","1") = "4"
    & skf21("1","5","4","4","4","1","2","1") = "4"
    & skf21("1","5","4","4","4","1","3","1") = "4"
    & skf21("1","5","4","4","4","1","4","1") = "4"
    & skf21("1","5","4","4","4","1","5","1") = "4"
    & skf21("1","5","4","4","4","1","6","1") = "5"
    & skf21("1","5","4","4","4","1","7","1") = "6"
    & skf21("1","5","4","4","4","2","1","1") = "4"
    & skf21("1","5","4","4","4","2","2","1") = "4"
    & skf21("1","5","4","4","4","2","3","1") = "4"
    & skf21("1","5","4","4","4","2","4","1") = "4"
    & skf21("1","5","4","4","4","2","5","1") = "4"
    & skf21("1","5","4","4","4","2","6","1") = "5"
    & skf21("1","5","4","4","4","2","7","1") = "6"
    & skf21("1","5","4","4","4","3","1","1") = "4"
    & skf21("1","5","4","4","4","3","2","1") = "4"
    & skf21("1","5","4","4","4","3","3","1") = "4"
    & skf21("1","5","4","4","4","3","4","1") = "4"
    & skf21("1","5","4","4","4","3","5","1") = "4"
    & skf21("1","5","4","4","4","3","6","1") = "5"
    & skf21("1","5","4","4","4","3","7","1") = "6"
    & skf21("1","5","4","4","4","4","1","1") = "4"
    & skf21("1","5","4","4","4","4","2","1") = "4"
    & skf21("1","5","4","4","4","4","3","1") = "4"
    & skf21("1","5","4","4","4","4","4","1") = "4"
    & skf21("1","5","4","4","4","4","5","1") = "4"
    & skf21("1","5","4","4","4","4","6","1") = "5"
    & skf21("1","5","4","4","4","4","7","1") = "6"
    & skf21("1","5","4","4","4","5","1","1") = "4"
    & skf21("1","5","4","4","4","5","2","1") = "4"
    & skf21("1","5","4","4","4","5","3","1") = "4"
    & skf21("1","5","4","4","4","5","4","1") = "4"
    & skf21("1","5","4","4","4","5","5","1") = "4"
    & skf21("1","5","4","4","4","5","6","1") = "5"
    & skf21("1","5","4","4","4","5","7","1") = "6"
    & skf21("1","5","4","4","4","6","1","1") = "5"
    & skf21("1","5","4","4","4","6","2","1") = "5"
    & skf21("1","5","4","4","4","6","3","1") = "5"
    & skf21("1","5","4","4","4","6","4","1") = "5"
    & skf21("1","5","4","4","4","6","5","1") = "5"
    & skf21("1","5","4","4","4","6","6","1") = "5"
    & skf21("1","5","4","4","4","6","7","1") = "6"
    & skf21("1","5","4","4","4","7","1","1") = "6"
    & skf21("1","5","4","4","4","7","2","1") = "6"
    & skf21("1","5","4","4","4","7","3","1") = "6"
    & skf21("1","5","4","4","4","7","4","1") = "6"
    & skf21("1","5","4","4","4","7","5","1") = "6"
    & skf21("1","5","4","4","4","7","6","1") = "6"
    & skf21("1","5","4","4","4","7","7","1") = "6"
    & skf21("1","5","4","4","5","1","1","1") = "4"
    & skf21("1","5","4","4","5","1","2","1") = "4"
    & skf21("1","5","4","4","5","1","3","1") = "4"
    & skf21("1","5","4","4","5","1","4","1") = "4"
    & skf21("1","5","4","4","5","1","5","1") = "4"
    & skf21("1","5","4","4","5","1","6","1") = "5"
    & skf21("1","5","4","4","5","1","7","1") = "6"
    & skf21("1","5","4","4","5","2","1","1") = "4"
    & skf21("1","5","4","4","5","2","2","1") = "4"
    & skf21("1","5","4","4","5","2","3","1") = "4"
    & skf21("1","5","4","4","5","2","4","1") = "4"
    & skf21("1","5","4","4","5","2","5","1") = "4"
    & skf21("1","5","4","4","5","2","6","1") = "5"
    & skf21("1","5","4","4","5","2","7","1") = "6"
    & skf21("1","5","4","4","5","3","1","1") = "4"
    & skf21("1","5","4","4","5","3","2","1") = "4"
    & skf21("1","5","4","4","5","3","3","1") = "4"
    & skf21("1","5","4","4","5","3","4","1") = "4"
    & skf21("1","5","4","4","5","3","5","1") = "4"
    & skf21("1","5","4","4","5","3","6","1") = "5"
    & skf21("1","5","4","4","5","3","7","1") = "6"
    & skf21("1","5","4","4","5","4","1","1") = "4"
    & skf21("1","5","4","4","5","4","2","1") = "4"
    & skf21("1","5","4","4","5","4","3","1") = "4"
    & skf21("1","5","4","4","5","4","4","1") = "4"
    & skf21("1","5","4","4","5","4","5","1") = "4"
    & skf21("1","5","4","4","5","4","6","1") = "5"
    & skf21("1","5","4","4","5","4","7","1") = "6"
    & skf21("1","5","4","4","5","5","1","1") = "4"
    & skf21("1","5","4","4","5","5","2","1") = "4"
    & skf21("1","5","4","4","5","5","3","1") = "4"
    & skf21("1","5","4","4","5","5","4","1") = "4"
    & skf21("1","5","4","4","5","5","5","1") = "4"
    & skf21("1","5","4","4","5","5","6","1") = "5"
    & skf21("1","5","4","4","5","5","7","1") = "6"
    & skf21("1","5","4","4","5","6","1","1") = "5"
    & skf21("1","5","4","4","5","6","2","1") = "5"
    & skf21("1","5","4","4","5","6","3","1") = "5"
    & skf21("1","5","4","4","5","6","4","1") = "5"
    & skf21("1","5","4","4","5","6","5","1") = "5"
    & skf21("1","5","4","4","5","6","6","1") = "5"
    & skf21("1","5","4","4","5","6","7","1") = "6"
    & skf21("1","5","4","4","5","7","1","1") = "6"
    & skf21("1","5","4","4","5","7","2","1") = "6"
    & skf21("1","5","4","4","5","7","3","1") = "6"
    & skf21("1","5","4","4","5","7","4","1") = "6"
    & skf21("1","5","4","4","5","7","5","1") = "6"
    & skf21("1","5","4","4","5","7","6","1") = "6"
    & skf21("1","5","4","4","5","7","7","1") = "6"
    & skf21("1","5","4","4","6","1","1","1") = "5"
    & skf21("1","5","4","4","6","1","2","1") = "5"
    & skf21("1","5","4","4","6","1","3","1") = "5"
    & skf21("1","5","4","4","6","1","4","1") = "5"
    & skf21("1","5","4","4","6","1","5","1") = "5"
    & skf21("1","5","4","4","6","1","6","1") = "5"
    & skf21("1","5","4","4","6","1","7","1") = "6"
    & skf21("1","5","4","4","6","2","1","1") = "5"
    & skf21("1","5","4","4","6","2","2","1") = "5"
    & skf21("1","5","4","4","6","2","3","1") = "5"
    & skf21("1","5","4","4","6","2","4","1") = "5"
    & skf21("1","5","4","4","6","2","5","1") = "5"
    & skf21("1","5","4","4","6","2","6","1") = "5"
    & skf21("1","5","4","4","6","2","7","1") = "6"
    & skf21("1","5","4","4","6","3","1","1") = "5"
    & skf21("1","5","4","4","6","3","2","1") = "5"
    & skf21("1","5","4","4","6","3","3","1") = "5"
    & skf21("1","5","4","4","6","3","4","1") = "5"
    & skf21("1","5","4","4","6","3","5","1") = "5"
    & skf21("1","5","4","4","6","3","6","1") = "5"
    & skf21("1","5","4","4","6","3","7","1") = "6"
    & skf21("1","5","4","4","6","4","1","1") = "5"
    & skf21("1","5","4","4","6","4","2","1") = "5"
    & skf21("1","5","4","4","6","4","3","1") = "5"
    & skf21("1","5","4","4","6","4","4","1") = "5"
    & skf21("1","5","4","4","6","4","5","1") = "5"
    & skf21("1","5","4","4","6","4","6","1") = "5"
    & skf21("1","5","4","4","6","4","7","1") = "6"
    & skf21("1","5","4","4","6","5","1","1") = "5"
    & skf21("1","5","4","4","6","5","2","1") = "5"
    & skf21("1","5","4","4","6","5","3","1") = "5"
    & skf21("1","5","4","4","6","5","4","1") = "5"
    & skf21("1","5","4","4","6","5","5","1") = "5"
    & skf21("1","5","4","4","6","5","6","1") = "5"
    & skf21("1","5","4","4","6","5","7","1") = "6"
    & skf21("1","5","4","4","6","6","1","1") = "5"
    & skf21("1","5","4","4","6","6","2","1") = "5"
    & skf21("1","5","4","4","6","6","3","1") = "5"
    & skf21("1","5","4","4","6","6","4","1") = "5"
    & skf21("1","5","4","4","6","6","5","1") = "5"
    & skf21("1","5","4","4","6","6","6","1") = "5"
    & skf21("1","5","4","4","6","6","7","1") = "6"
    & skf21("1","5","4","4","6","7","1","1") = "6"
    & skf21("1","5","4","4","6","7","2","1") = "6"
    & skf21("1","5","4","4","6","7","3","1") = "6"
    & skf21("1","5","4","4","6","7","4","1") = "6"
    & skf21("1","5","4","4","6","7","5","1") = "6"
    & skf21("1","5","4","4","6","7","6","1") = "6"
    & skf21("1","5","4","4","6","7","7","1") = "6"
    & skf21("1","5","4","4","7","1","1","1") = "6"
    & skf21("1","5","4","4","7","1","2","1") = "6"
    & skf21("1","5","4","4","7","1","3","1") = "6"
    & skf21("1","5","4","4","7","1","4","1") = "6"
    & skf21("1","5","4","4","7","1","5","1") = "6"
    & skf21("1","5","4","4","7","1","6","1") = "6"
    & skf21("1","5","4","4","7","1","7","1") = "6"
    & skf21("1","5","4","4","7","2","1","1") = "6"
    & skf21("1","5","4","4","7","2","2","1") = "6"
    & skf21("1","5","4","4","7","2","3","1") = "6"
    & skf21("1","5","4","4","7","2","4","1") = "6"
    & skf21("1","5","4","4","7","2","5","1") = "6"
    & skf21("1","5","4","4","7","2","6","1") = "6"
    & skf21("1","5","4","4","7","2","7","1") = "6"
    & skf21("1","5","4","4","7","3","1","1") = "6"
    & skf21("1","5","4","4","7","3","2","1") = "6"
    & skf21("1","5","4","4","7","3","3","1") = "6"
    & skf21("1","5","4","4","7","3","4","1") = "6"
    & skf21("1","5","4","4","7","3","5","1") = "6"
    & skf21("1","5","4","4","7","3","6","1") = "6"
    & skf21("1","5","4","4","7","3","7","1") = "6"
    & skf21("1","5","4","4","7","4","1","1") = "6"
    & skf21("1","5","4","4","7","4","2","1") = "6"
    & skf21("1","5","4","4","7","4","3","1") = "6"
    & skf21("1","5","4","4","7","4","4","1") = "6"
    & skf21("1","5","4","4","7","4","5","1") = "6"
    & skf21("1","5","4","4","7","4","6","1") = "6"
    & skf21("1","5","4","4","7","4","7","1") = "6"
    & skf21("1","5","4","4","7","5","1","1") = "6"
    & skf21("1","5","4","4","7","5","2","1") = "6"
    & skf21("1","5","4","4","7","5","3","1") = "6"
    & skf21("1","5","4","4","7","5","4","1") = "6"
    & skf21("1","5","4","4","7","5","5","1") = "6"
    & skf21("1","5","4","4","7","5","6","1") = "6"
    & skf21("1","5","4","4","7","5","7","1") = "6"
    & skf21("1","5","4","4","7","6","1","1") = "6"
    & skf21("1","5","4","4","7","6","2","1") = "6"
    & skf21("1","5","4","4","7","6","3","1") = "6"
    & skf21("1","5","4","4","7","6","4","1") = "6"
    & skf21("1","5","4","4","7","6","5","1") = "6"
    & skf21("1","5","4","4","7","6","6","1") = "6"
    & skf21("1","5","4","4","7","6","7","1") = "6"
    & skf21("1","5","4","4","7","7","1","1") = "6"
    & skf21("1","5","4","4","7","7","2","1") = "6"
    & skf21("1","5","4","4","7","7","3","1") = "6"
    & skf21("1","5","4","4","7","7","4","1") = "6"
    & skf21("1","5","4","4","7","7","5","1") = "6"
    & skf21("1","5","4","4","7","7","6","1") = "6"
    & skf21("1","5","4","4","7","7","7","1") = "6"
    & skf21("1","5","4","5","1","1","1","1") = "4"
    & skf21("1","5","4","5","1","1","2","1") = "4"
    & skf21("1","5","4","5","1","1","3","1") = "4"
    & skf21("1","5","4","5","1","1","4","1") = "4"
    & skf21("1","5","4","5","1","1","5","1") = "4"
    & skf21("1","5","4","5","1","1","6","1") = "5"
    & skf21("1","5","4","5","1","1","7","1") = "6"
    & skf21("1","5","4","5","1","2","1","1") = "4"
    & skf21("1","5","4","5","1","2","2","1") = "4"
    & skf21("1","5","4","5","1","2","3","1") = "4"
    & skf21("1","5","4","5","1","2","4","1") = "4"
    & skf21("1","5","4","5","1","2","5","1") = "4"
    & skf21("1","5","4","5","1","2","6","1") = "5"
    & skf21("1","5","4","5","1","2","7","1") = "6"
    & skf21("1","5","4","5","1","3","1","1") = "4"
    & skf21("1","5","4","5","1","3","2","1") = "4"
    & skf21("1","5","4","5","1","3","3","1") = "4"
    & skf21("1","5","4","5","1","3","4","1") = "4"
    & skf21("1","5","4","5","1","3","5","1") = "4"
    & skf21("1","5","4","5","1","3","6","1") = "5"
    & skf21("1","5","4","5","1","3","7","1") = "6"
    & skf21("1","5","4","5","1","4","1","1") = "4"
    & skf21("1","5","4","5","1","4","2","1") = "4"
    & skf21("1","5","4","5","1","4","3","1") = "4"
    & skf21("1","5","4","5","1","4","4","1") = "4"
    & skf21("1","5","4","5","1","4","5","1") = "4"
    & skf21("1","5","4","5","1","4","6","1") = "5"
    & skf21("1","5","4","5","1","4","7","1") = "6"
    & skf21("1","5","4","5","1","5","1","1") = "4"
    & skf21("1","5","4","5","1","5","2","1") = "4"
    & skf21("1","5","4","5","1","5","3","1") = "4"
    & skf21("1","5","4","5","1","5","4","1") = "4"
    & skf21("1","5","4","5","1","5","5","1") = "4"
    & skf21("1","5","4","5","1","5","6","1") = "5"
    & skf21("1","5","4","5","1","5","7","1") = "6"
    & skf21("1","5","4","5","1","6","1","1") = "5"
    & skf21("1","5","4","5","1","6","2","1") = "5"
    & skf21("1","5","4","5","1","6","3","1") = "5"
    & skf21("1","5","4","5","1","6","4","1") = "5"
    & skf21("1","5","4","5","1","6","5","1") = "5"
    & skf21("1","5","4","5","1","6","6","1") = "5"
    & skf21("1","5","4","5","1","6","7","1") = "6"
    & skf21("1","5","4","5","1","7","1","1") = "6"
    & skf21("1","5","4","5","1","7","2","1") = "6"
    & skf21("1","5","4","5","1","7","3","1") = "6"
    & skf21("1","5","4","5","1","7","4","1") = "6"
    & skf21("1","5","4","5","1","7","5","1") = "6"
    & skf21("1","5","4","5","1","7","6","1") = "6"
    & skf21("1","5","4","5","1","7","7","1") = "6"
    & skf21("1","5","4","5","2","1","1","1") = "4"
    & skf21("1","5","4","5","2","1","2","1") = "4"
    & skf21("1","5","4","5","2","1","3","1") = "4"
    & skf21("1","5","4","5","2","1","4","1") = "4"
    & skf21("1","5","4","5","2","1","5","1") = "4"
    & skf21("1","5","4","5","2","1","6","1") = "5"
    & skf21("1","5","4","5","2","1","7","1") = "6"
    & skf21("1","5","4","5","2","2","1","1") = "4"
    & skf21("1","5","4","5","2","2","2","1") = "4"
    & skf21("1","5","4","5","2","2","3","1") = "4"
    & skf21("1","5","4","5","2","2","4","1") = "4"
    & skf21("1","5","4","5","2","2","5","1") = "4"
    & skf21("1","5","4","5","2","2","6","1") = "5"
    & skf21("1","5","4","5","2","2","7","1") = "6"
    & skf21("1","5","4","5","2","3","1","1") = "4"
    & skf21("1","5","4","5","2","3","2","1") = "4"
    & skf21("1","5","4","5","2","3","3","1") = "4"
    & skf21("1","5","4","5","2","3","4","1") = "4"
    & skf21("1","5","4","5","2","3","5","1") = "4"
    & skf21("1","5","4","5","2","3","6","1") = "5"
    & skf21("1","5","4","5","2","3","7","1") = "6"
    & skf21("1","5","4","5","2","4","1","1") = "4"
    & skf21("1","5","4","5","2","4","2","1") = "4"
    & skf21("1","5","4","5","2","4","3","1") = "4"
    & skf21("1","5","4","5","2","4","4","1") = "4"
    & skf21("1","5","4","5","2","4","5","1") = "4"
    & skf21("1","5","4","5","2","4","6","1") = "5"
    & skf21("1","5","4","5","2","4","7","1") = "6"
    & skf21("1","5","4","5","2","5","1","1") = "4"
    & skf21("1","5","4","5","2","5","2","1") = "4"
    & skf21("1","5","4","5","2","5","3","1") = "4"
    & skf21("1","5","4","5","2","5","4","1") = "4"
    & skf21("1","5","4","5","2","5","5","1") = "4"
    & skf21("1","5","4","5","2","5","6","1") = "5"
    & skf21("1","5","4","5","2","5","7","1") = "6"
    & skf21("1","5","4","5","2","6","1","1") = "5"
    & skf21("1","5","4","5","2","6","2","1") = "5"
    & skf21("1","5","4","5","2","6","3","1") = "5"
    & skf21("1","5","4","5","2","6","4","1") = "5"
    & skf21("1","5","4","5","2","6","5","1") = "5"
    & skf21("1","5","4","5","2","6","6","1") = "5"
    & skf21("1","5","4","5","2","6","7","1") = "6"
    & skf21("1","5","4","5","2","7","1","1") = "6"
    & skf21("1","5","4","5","2","7","2","1") = "6"
    & skf21("1","5","4","5","2","7","3","1") = "6"
    & skf21("1","5","4","5","2","7","4","1") = "6"
    & skf21("1","5","4","5","2","7","5","1") = "6"
    & skf21("1","5","4","5","2","7","6","1") = "6"
    & skf21("1","5","4","5","2","7","7","1") = "6"
    & skf21("1","5","4","5","3","1","1","1") = "4"
    & skf21("1","5","4","5","3","1","2","1") = "4"
    & skf21("1","5","4","5","3","1","3","1") = "4"
    & skf21("1","5","4","5","3","1","4","1") = "4"
    & skf21("1","5","4","5","3","1","5","1") = "4"
    & skf21("1","5","4","5","3","1","6","1") = "5"
    & skf21("1","5","4","5","3","1","7","1") = "6"
    & skf21("1","5","4","5","3","2","1","1") = "4"
    & skf21("1","5","4","5","3","2","2","1") = "4"
    & skf21("1","5","4","5","3","2","3","1") = "4"
    & skf21("1","5","4","5","3","2","4","1") = "4"
    & skf21("1","5","4","5","3","2","5","1") = "4"
    & skf21("1","5","4","5","3","2","6","1") = "5"
    & skf21("1","5","4","5","3","2","7","1") = "6"
    & skf21("1","5","4","5","3","3","1","1") = "4"
    & skf21("1","5","4","5","3","3","2","1") = "4"
    & skf21("1","5","4","5","3","3","3","1") = "4"
    & skf21("1","5","4","5","3","3","4","1") = "4"
    & skf21("1","5","4","5","3","3","5","1") = "4"
    & skf21("1","5","4","5","3","3","6","1") = "5"
    & skf21("1","5","4","5","3","3","7","1") = "6"
    & skf21("1","5","4","5","3","4","1","1") = "4"
    & skf21("1","5","4","5","3","4","2","1") = "4"
    & skf21("1","5","4","5","3","4","3","1") = "4"
    & skf21("1","5","4","5","3","4","4","1") = "4"
    & skf21("1","5","4","5","3","4","5","1") = "4"
    & skf21("1","5","4","5","3","4","6","1") = "5"
    & skf21("1","5","4","5","3","4","7","1") = "6"
    & skf21("1","5","4","5","3","5","1","1") = "4"
    & skf21("1","5","4","5","3","5","2","1") = "4"
    & skf21("1","5","4","5","3","5","3","1") = "4"
    & skf21("1","5","4","5","3","5","4","1") = "4"
    & skf21("1","5","4","5","3","5","5","1") = "4"
    & skf21("1","5","4","5","3","5","6","1") = "5"
    & skf21("1","5","4","5","3","5","7","1") = "6"
    & skf21("1","5","4","5","3","6","1","1") = "5"
    & skf21("1","5","4","5","3","6","2","1") = "5"
    & skf21("1","5","4","5","3","6","3","1") = "5"
    & skf21("1","5","4","5","3","6","4","1") = "5"
    & skf21("1","5","4","5","3","6","5","1") = "5"
    & skf21("1","5","4","5","3","6","6","1") = "5"
    & skf21("1","5","4","5","3","6","7","1") = "6"
    & skf21("1","5","4","5","3","7","1","1") = "6"
    & skf21("1","5","4","5","3","7","2","1") = "6"
    & skf21("1","5","4","5","3","7","3","1") = "6"
    & skf21("1","5","4","5","3","7","4","1") = "6"
    & skf21("1","5","4","5","3","7","5","1") = "6"
    & skf21("1","5","4","5","3","7","6","1") = "6"
    & skf21("1","5","4","5","3","7","7","1") = "6"
    & skf21("1","5","4","5","4","1","1","1") = "4"
    & skf21("1","5","4","5","4","1","2","1") = "4"
    & skf21("1","5","4","5","4","1","3","1") = "4"
    & skf21("1","5","4","5","4","1","4","1") = "4"
    & skf21("1","5","4","5","4","1","5","1") = "4"
    & skf21("1","5","4","5","4","1","6","1") = "5"
    & skf21("1","5","4","5","4","1","7","1") = "6"
    & skf21("1","5","4","5","4","2","1","1") = "4"
    & skf21("1","5","4","5","4","2","2","1") = "4"
    & skf21("1","5","4","5","4","2","3","1") = "4"
    & skf21("1","5","4","5","4","2","4","1") = "4"
    & skf21("1","5","4","5","4","2","5","1") = "4"
    & skf21("1","5","4","5","4","2","6","1") = "5"
    & skf21("1","5","4","5","4","2","7","1") = "6"
    & skf21("1","5","4","5","4","3","1","1") = "4"
    & skf21("1","5","4","5","4","3","2","1") = "4"
    & skf21("1","5","4","5","4","3","3","1") = "4"
    & skf21("1","5","4","5","4","3","4","1") = "4"
    & skf21("1","5","4","5","4","3","5","1") = "4"
    & skf21("1","5","4","5","4","3","6","1") = "5"
    & skf21("1","5","4","5","4","3","7","1") = "6"
    & skf21("1","5","4","5","4","4","1","1") = "4"
    & skf21("1","5","4","5","4","4","2","1") = "4"
    & skf21("1","5","4","5","4","4","3","1") = "4"
    & skf21("1","5","4","5","4","4","4","1") = "4"
    & skf21("1","5","4","5","4","4","5","1") = "4"
    & skf21("1","5","4","5","4","4","6","1") = "5"
    & skf21("1","5","4","5","4","4","7","1") = "6"
    & skf21("1","5","4","5","4","5","1","1") = "4"
    & skf21("1","5","4","5","4","5","2","1") = "4"
    & skf21("1","5","4","5","4","5","3","1") = "4"
    & skf21("1","5","4","5","4","5","4","1") = "4"
    & skf21("1","5","4","5","4","5","5","1") = "4"
    & skf21("1","5","4","5","4","5","6","1") = "5"
    & skf21("1","5","4","5","4","5","7","1") = "6"
    & skf21("1","5","4","5","4","6","1","1") = "5"
    & skf21("1","5","4","5","4","6","2","1") = "5"
    & skf21("1","5","4","5","4","6","3","1") = "5"
    & skf21("1","5","4","5","4","6","4","1") = "5"
    & skf21("1","5","4","5","4","6","5","1") = "5"
    & skf21("1","5","4","5","4","6","6","1") = "5"
    & skf21("1","5","4","5","4","6","7","1") = "6"
    & skf21("1","5","4","5","4","7","1","1") = "6"
    & skf21("1","5","4","5","4","7","2","1") = "6"
    & skf21("1","5","4","5","4","7","3","1") = "6"
    & skf21("1","5","4","5","4","7","4","1") = "6"
    & skf21("1","5","4","5","4","7","5","1") = "6"
    & skf21("1","5","4","5","4","7","6","1") = "6"
    & skf21("1","5","4","5","4","7","7","1") = "6"
    & skf21("1","5","4","5","5","1","1","1") = "4"
    & skf21("1","5","4","5","5","1","2","1") = "4"
    & skf21("1","5","4","5","5","1","3","1") = "4"
    & skf21("1","5","4","5","5","1","4","1") = "4"
    & skf21("1","5","4","5","5","1","5","1") = "4"
    & skf21("1","5","4","5","5","1","6","1") = "5"
    & skf21("1","5","4","5","5","1","7","1") = "6"
    & skf21("1","5","4","5","5","2","1","1") = "4"
    & skf21("1","5","4","5","5","2","2","1") = "4"
    & skf21("1","5","4","5","5","2","3","1") = "4"
    & skf21("1","5","4","5","5","2","4","1") = "4"
    & skf21("1","5","4","5","5","2","5","1") = "4"
    & skf21("1","5","4","5","5","2","6","1") = "5"
    & skf21("1","5","4","5","5","2","7","1") = "6"
    & skf21("1","5","4","5","5","3","1","1") = "4"
    & skf21("1","5","4","5","5","3","2","1") = "4"
    & skf21("1","5","4","5","5","3","3","1") = "4"
    & skf21("1","5","4","5","5","3","4","1") = "4"
    & skf21("1","5","4","5","5","3","5","1") = "4"
    & skf21("1","5","4","5","5","3","6","1") = "5"
    & skf21("1","5","4","5","5","3","7","1") = "6"
    & skf21("1","5","4","5","5","4","1","1") = "4"
    & skf21("1","5","4","5","5","4","2","1") = "4"
    & skf21("1","5","4","5","5","4","3","1") = "4"
    & skf21("1","5","4","5","5","4","4","1") = "4"
    & skf21("1","5","4","5","5","4","5","1") = "4"
    & skf21("1","5","4","5","5","4","6","1") = "5"
    & skf21("1","5","4","5","5","4","7","1") = "6"
    & skf21("1","5","4","5","5","5","1","1") = "4"
    & skf21("1","5","4","5","5","5","2","1") = "4"
    & skf21("1","5","4","5","5","5","3","1") = "4"
    & skf21("1","5","4","5","5","5","4","1") = "4"
    & skf21("1","5","4","5","5","5","5","1") = "4"
    & skf21("1","5","4","5","5","5","6","1") = "5"
    & skf21("1","5","4","5","5","5","7","1") = "6"
    & skf21("1","5","4","5","5","6","1","1") = "5"
    & skf21("1","5","4","5","5","6","2","1") = "5"
    & skf21("1","5","4","5","5","6","3","1") = "5"
    & skf21("1","5","4","5","5","6","4","1") = "5"
    & skf21("1","5","4","5","5","6","5","1") = "5"
    & skf21("1","5","4","5","5","6","6","1") = "5"
    & skf21("1","5","4","5","5","6","7","1") = "6"
    & skf21("1","5","4","5","5","7","1","1") = "6"
    & skf21("1","5","4","5","5","7","2","1") = "6"
    & skf21("1","5","4","5","5","7","3","1") = "6"
    & skf21("1","5","4","5","5","7","4","1") = "6"
    & skf21("1","5","4","5","5","7","5","1") = "6"
    & skf21("1","5","4","5","5","7","6","1") = "6"
    & skf21("1","5","4","5","5","7","7","1") = "6"
    & skf21("1","5","4","5","6","1","1","1") = "5"
    & skf21("1","5","4","5","6","1","2","1") = "5"
    & skf21("1","5","4","5","6","1","3","1") = "5"
    & skf21("1","5","4","5","6","1","4","1") = "5"
    & skf21("1","5","4","5","6","1","5","1") = "5"
    & skf21("1","5","4","5","6","1","6","1") = "5"
    & skf21("1","5","4","5","6","1","7","1") = "6"
    & skf21("1","5","4","5","6","2","1","1") = "5"
    & skf21("1","5","4","5","6","2","2","1") = "5"
    & skf21("1","5","4","5","6","2","3","1") = "5"
    & skf21("1","5","4","5","6","2","4","1") = "5"
    & skf21("1","5","4","5","6","2","5","1") = "5"
    & skf21("1","5","4","5","6","2","6","1") = "5"
    & skf21("1","5","4","5","6","2","7","1") = "6"
    & skf21("1","5","4","5","6","3","1","1") = "5"
    & skf21("1","5","4","5","6","3","2","1") = "5"
    & skf21("1","5","4","5","6","3","3","1") = "5"
    & skf21("1","5","4","5","6","3","4","1") = "5"
    & skf21("1","5","4","5","6","3","5","1") = "5"
    & skf21("1","5","4","5","6","3","6","1") = "5"
    & skf21("1","5","4","5","6","3","7","1") = "6"
    & skf21("1","5","4","5","6","4","1","1") = "5"
    & skf21("1","5","4","5","6","4","2","1") = "5"
    & skf21("1","5","4","5","6","4","3","1") = "5"
    & skf21("1","5","4","5","6","4","4","1") = "5"
    & skf21("1","5","4","5","6","4","5","1") = "5"
    & skf21("1","5","4","5","6","4","6","1") = "5"
    & skf21("1","5","4","5","6","4","7","1") = "6"
    & skf21("1","5","4","5","6","5","1","1") = "5"
    & skf21("1","5","4","5","6","5","2","1") = "5"
    & skf21("1","5","4","5","6","5","3","1") = "5"
    & skf21("1","5","4","5","6","5","4","1") = "5"
    & skf21("1","5","4","5","6","5","5","1") = "5"
    & skf21("1","5","4","5","6","5","6","1") = "5"
    & skf21("1","5","4","5","6","5","7","1") = "6"
    & skf21("1","5","4","5","6","6","1","1") = "5"
    & skf21("1","5","4","5","6","6","2","1") = "5"
    & skf21("1","5","4","5","6","6","3","1") = "5"
    & skf21("1","5","4","5","6","6","4","1") = "5"
    & skf21("1","5","4","5","6","6","5","1") = "5"
    & skf21("1","5","4","5","6","6","6","1") = "5"
    & skf21("1","5","4","5","6","6","7","1") = "6"
    & skf21("1","5","4","5","6","7","1","1") = "6"
    & skf21("1","5","4","5","6","7","2","1") = "6"
    & skf21("1","5","4","5","6","7","3","1") = "6"
    & skf21("1","5","4","5","6","7","4","1") = "6"
    & skf21("1","5","4","5","6","7","5","1") = "6"
    & skf21("1","5","4","5","6","7","6","1") = "6"
    & skf21("1","5","4","5","6","7","7","1") = "6"
    & skf21("1","5","4","5","7","1","1","1") = "6"
    & skf21("1","5","4","5","7","1","2","1") = "6"
    & skf21("1","5","4","5","7","1","3","1") = "6"
    & skf21("1","5","4","5","7","1","4","1") = "6"
    & skf21("1","5","4","5","7","1","5","1") = "6"
    & skf21("1","5","4","5","7","1","6","1") = "6"
    & skf21("1","5","4","5","7","1","7","1") = "6"
    & skf21("1","5","4","5","7","2","1","1") = "6"
    & skf21("1","5","4","5","7","2","2","1") = "6"
    & skf21("1","5","4","5","7","2","3","1") = "6"
    & skf21("1","5","4","5","7","2","4","1") = "6"
    & skf21("1","5","4","5","7","2","5","1") = "6"
    & skf21("1","5","4","5","7","2","6","1") = "6"
    & skf21("1","5","4","5","7","2","7","1") = "6"
    & skf21("1","5","4","5","7","3","1","1") = "6"
    & skf21("1","5","4","5","7","3","2","1") = "6"
    & skf21("1","5","4","5","7","3","3","1") = "6"
    & skf21("1","5","4","5","7","3","4","1") = "6"
    & skf21("1","5","4","5","7","3","5","1") = "6"
    & skf21("1","5","4","5","7","3","6","1") = "6"
    & skf21("1","5","4","5","7","3","7","1") = "6"
    & skf21("1","5","4","5","7","4","1","1") = "6"
    & skf21("1","5","4","5","7","4","2","1") = "6"
    & skf21("1","5","4","5","7","4","3","1") = "6"
    & skf21("1","5","4","5","7","4","4","1") = "6"
    & skf21("1","5","4","5","7","4","5","1") = "6"
    & skf21("1","5","4","5","7","4","6","1") = "6"
    & skf21("1","5","4","5","7","4","7","1") = "6"
    & skf21("1","5","4","5","7","5","1","1") = "6"
    & skf21("1","5","4","5","7","5","2","1") = "6"
    & skf21("1","5","4","5","7","5","3","1") = "6"
    & skf21("1","5","4","5","7","5","4","1") = "6"
    & skf21("1","5","4","5","7","5","5","1") = "6"
    & skf21("1","5","4","5","7","5","6","1") = "6"
    & skf21("1","5","4","5","7","5","7","1") = "6"
    & skf21("1","5","4","5","7","6","1","1") = "6"
    & skf21("1","5","4","5","7","6","2","1") = "6"
    & skf21("1","5","4","5","7","6","3","1") = "6"
    & skf21("1","5","4","5","7","6","4","1") = "6"
    & skf21("1","5","4","5","7","6","5","1") = "6"
    & skf21("1","5","4","5","7","6","6","1") = "6"
    & skf21("1","5","4","5","7","6","7","1") = "6"
    & skf21("1","5","4","5","7","7","1","1") = "6"
    & skf21("1","5","4","5","7","7","2","1") = "6"
    & skf21("1","5","4","5","7","7","3","1") = "6"
    & skf21("1","5","4","5","7","7","4","1") = "6"
    & skf21("1","5","4","5","7","7","5","1") = "6"
    & skf21("1","5","4","5","7","7","6","1") = "6"
    & skf21("1","5","4","5","7","7","7","1") = "6"
    & skf21("1","5","4","6","1","1","1","1") = "5"
    & skf21("1","5","4","6","1","1","2","1") = "5"
    & skf21("1","5","4","6","1","1","3","1") = "5"
    & skf21("1","5","4","6","1","1","4","1") = "5"
    & skf21("1","5","4","6","1","1","5","1") = "5"
    & skf21("1","5","4","6","1","1","6","1") = "5"
    & skf21("1","5","4","6","1","1","7","1") = "6"
    & skf21("1","5","4","6","1","2","1","1") = "5"
    & skf21("1","5","4","6","1","2","2","1") = "5"
    & skf21("1","5","4","6","1","2","3","1") = "5"
    & skf21("1","5","4","6","1","2","4","1") = "5"
    & skf21("1","5","4","6","1","2","5","1") = "5"
    & skf21("1","5","4","6","1","2","6","1") = "5"
    & skf21("1","5","4","6","1","2","7","1") = "6"
    & skf21("1","5","4","6","1","3","1","1") = "5"
    & skf21("1","5","4","6","1","3","2","1") = "5"
    & skf21("1","5","4","6","1","3","3","1") = "5"
    & skf21("1","5","4","6","1","3","4","1") = "5"
    & skf21("1","5","4","6","1","3","5","1") = "5"
    & skf21("1","5","4","6","1","3","6","1") = "5"
    & skf21("1","5","4","6","1","3","7","1") = "6"
    & skf21("1","5","4","6","1","4","1","1") = "5"
    & skf21("1","5","4","6","1","4","2","1") = "5"
    & skf21("1","5","4","6","1","4","3","1") = "5"
    & skf21("1","5","4","6","1","4","4","1") = "5"
    & skf21("1","5","4","6","1","4","5","1") = "5"
    & skf21("1","5","4","6","1","4","6","1") = "5"
    & skf21("1","5","4","6","1","4","7","1") = "6"
    & skf21("1","5","4","6","1","5","1","1") = "5"
    & skf21("1","5","4","6","1","5","2","1") = "5"
    & skf21("1","5","4","6","1","5","3","1") = "5"
    & skf21("1","5","4","6","1","5","4","1") = "5"
    & skf21("1","5","4","6","1","5","5","1") = "5"
    & skf21("1","5","4","6","1","5","6","1") = "5"
    & skf21("1","5","4","6","1","5","7","1") = "6"
    & skf21("1","5","4","6","1","6","1","1") = "5"
    & skf21("1","5","4","6","1","6","2","1") = "5"
    & skf21("1","5","4","6","1","6","3","1") = "5"
    & skf21("1","5","4","6","1","6","4","1") = "5"
    & skf21("1","5","4","6","1","6","5","1") = "5"
    & skf21("1","5","4","6","1","6","6","1") = "5"
    & skf21("1","5","4","6","1","6","7","1") = "6"
    & skf21("1","5","4","6","1","7","1","1") = "6"
    & skf21("1","5","4","6","1","7","2","1") = "6"
    & skf21("1","5","4","6","1","7","3","1") = "6"
    & skf21("1","5","4","6","1","7","4","1") = "6"
    & skf21("1","5","4","6","1","7","5","1") = "6"
    & skf21("1","5","4","6","1","7","6","1") = "6"
    & skf21("1","5","4","6","1","7","7","1") = "6"
    & skf21("1","5","4","6","2","1","1","1") = "5"
    & skf21("1","5","4","6","2","1","2","1") = "5"
    & skf21("1","5","4","6","2","1","3","1") = "5"
    & skf21("1","5","4","6","2","1","4","1") = "5"
    & skf21("1","5","4","6","2","1","5","1") = "5"
    & skf21("1","5","4","6","2","1","6","1") = "5"
    & skf21("1","5","4","6","2","1","7","1") = "6"
    & skf21("1","5","4","6","2","2","1","1") = "5"
    & skf21("1","5","4","6","2","2","2","1") = "5"
    & skf21("1","5","4","6","2","2","3","1") = "5"
    & skf21("1","5","4","6","2","2","4","1") = "5"
    & skf21("1","5","4","6","2","2","5","1") = "5"
    & skf21("1","5","4","6","2","2","6","1") = "5"
    & skf21("1","5","4","6","2","2","7","1") = "6"
    & skf21("1","5","4","6","2","3","1","1") = "5"
    & skf21("1","5","4","6","2","3","2","1") = "5"
    & skf21("1","5","4","6","2","3","3","1") = "5"
    & skf21("1","5","4","6","2","3","4","1") = "5"
    & skf21("1","5","4","6","2","3","5","1") = "5"
    & skf21("1","5","4","6","2","3","6","1") = "5"
    & skf21("1","5","4","6","2","3","7","1") = "6"
    & skf21("1","5","4","6","2","4","1","1") = "5"
    & skf21("1","5","4","6","2","4","2","1") = "5"
    & skf21("1","5","4","6","2","4","3","1") = "5"
    & skf21("1","5","4","6","2","4","4","1") = "5"
    & skf21("1","5","4","6","2","4","5","1") = "5"
    & skf21("1","5","4","6","2","4","6","1") = "5"
    & skf21("1","5","4","6","2","4","7","1") = "6"
    & skf21("1","5","4","6","2","5","1","1") = "5"
    & skf21("1","5","4","6","2","5","2","1") = "5"
    & skf21("1","5","4","6","2","5","3","1") = "5"
    & skf21("1","5","4","6","2","5","4","1") = "5"
    & skf21("1","5","4","6","2","5","5","1") = "5"
    & skf21("1","5","4","6","2","5","6","1") = "5"
    & skf21("1","5","4","6","2","5","7","1") = "6"
    & skf21("1","5","4","6","2","6","1","1") = "5"
    & skf21("1","5","4","6","2","6","2","1") = "5"
    & skf21("1","5","4","6","2","6","3","1") = "5"
    & skf21("1","5","4","6","2","6","4","1") = "5"
    & skf21("1","5","4","6","2","6","5","1") = "5"
    & skf21("1","5","4","6","2","6","6","1") = "5"
    & skf21("1","5","4","6","2","6","7","1") = "6"
    & skf21("1","5","4","6","2","7","1","1") = "6"
    & skf21("1","5","4","6","2","7","2","1") = "6"
    & skf21("1","5","4","6","2","7","3","1") = "6"
    & skf21("1","5","4","6","2","7","4","1") = "6"
    & skf21("1","5","4","6","2","7","5","1") = "6"
    & skf21("1","5","4","6","2","7","6","1") = "6"
    & skf21("1","5","4","6","2","7","7","1") = "6"
    & skf21("1","5","4","6","3","1","1","1") = "5"
    & skf21("1","5","4","6","3","1","2","1") = "5"
    & skf21("1","5","4","6","3","1","3","1") = "5"
    & skf21("1","5","4","6","3","1","4","1") = "5"
    & skf21("1","5","4","6","3","1","5","1") = "5"
    & skf21("1","5","4","6","3","1","6","1") = "5"
    & skf21("1","5","4","6","3","1","7","1") = "6"
    & skf21("1","5","4","6","3","2","1","1") = "5"
    & skf21("1","5","4","6","3","2","2","1") = "5"
    & skf21("1","5","4","6","3","2","3","1") = "5"
    & skf21("1","5","4","6","3","2","4","1") = "5"
    & skf21("1","5","4","6","3","2","5","1") = "5"
    & skf21("1","5","4","6","3","2","6","1") = "5"
    & skf21("1","5","4","6","3","2","7","1") = "6"
    & skf21("1","5","4","6","3","3","1","1") = "5"
    & skf21("1","5","4","6","3","3","2","1") = "5"
    & skf21("1","5","4","6","3","3","3","1") = "5"
    & skf21("1","5","4","6","3","3","4","1") = "5"
    & skf21("1","5","4","6","3","3","5","1") = "5"
    & skf21("1","5","4","6","3","3","6","1") = "5"
    & skf21("1","5","4","6","3","3","7","1") = "6"
    & skf21("1","5","4","6","3","4","1","1") = "5"
    & skf21("1","5","4","6","3","4","2","1") = "5"
    & skf21("1","5","4","6","3","4","3","1") = "5"
    & skf21("1","5","4","6","3","4","4","1") = "5"
    & skf21("1","5","4","6","3","4","5","1") = "5"
    & skf21("1","5","4","6","3","4","6","1") = "5"
    & skf21("1","5","4","6","3","4","7","1") = "6"
    & skf21("1","5","4","6","3","5","1","1") = "5"
    & skf21("1","5","4","6","3","5","2","1") = "5"
    & skf21("1","5","4","6","3","5","3","1") = "5"
    & skf21("1","5","4","6","3","5","4","1") = "5"
    & skf21("1","5","4","6","3","5","5","1") = "5"
    & skf21("1","5","4","6","3","5","6","1") = "5"
    & skf21("1","5","4","6","3","5","7","1") = "6"
    & skf21("1","5","4","6","3","6","1","1") = "5"
    & skf21("1","5","4","6","3","6","2","1") = "5"
    & skf21("1","5","4","6","3","6","3","1") = "5"
    & skf21("1","5","4","6","3","6","4","1") = "5"
    & skf21("1","5","4","6","3","6","5","1") = "5"
    & skf21("1","5","4","6","3","6","6","1") = "5"
    & skf21("1","5","4","6","3","6","7","1") = "6"
    & skf21("1","5","4","6","3","7","1","1") = "6"
    & skf21("1","5","4","6","3","7","2","1") = "6"
    & skf21("1","5","4","6","3","7","3","1") = "6"
    & skf21("1","5","4","6","3","7","4","1") = "6"
    & skf21("1","5","4","6","3","7","5","1") = "6"
    & skf21("1","5","4","6","3","7","6","1") = "6"
    & skf21("1","5","4","6","3","7","7","1") = "6"
    & skf21("1","5","4","6","4","1","1","1") = "5"
    & skf21("1","5","4","6","4","1","2","1") = "5"
    & skf21("1","5","4","6","4","1","3","1") = "5"
    & skf21("1","5","4","6","4","1","4","1") = "5"
    & skf21("1","5","4","6","4","1","5","1") = "5"
    & skf21("1","5","4","6","4","1","6","1") = "5"
    & skf21("1","5","4","6","4","1","7","1") = "6"
    & skf21("1","5","4","6","4","2","1","1") = "5"
    & skf21("1","5","4","6","4","2","2","1") = "5"
    & skf21("1","5","4","6","4","2","3","1") = "5"
    & skf21("1","5","4","6","4","2","4","1") = "5"
    & skf21("1","5","4","6","4","2","5","1") = "5"
    & skf21("1","5","4","6","4","2","6","1") = "5"
    & skf21("1","5","4","6","4","2","7","1") = "6"
    & skf21("1","5","4","6","4","3","1","1") = "5"
    & skf21("1","5","4","6","4","3","2","1") = "5"
    & skf21("1","5","4","6","4","3","3","1") = "5"
    & skf21("1","5","4","6","4","3","4","1") = "5"
    & skf21("1","5","4","6","4","3","5","1") = "5"
    & skf21("1","5","4","6","4","3","6","1") = "5"
    & skf21("1","5","4","6","4","3","7","1") = "6"
    & skf21("1","5","4","6","4","4","1","1") = "5"
    & skf21("1","5","4","6","4","4","2","1") = "5"
    & skf21("1","5","4","6","4","4","3","1") = "5"
    & skf21("1","5","4","6","4","4","4","1") = "5"
    & skf21("1","5","4","6","4","4","5","1") = "5"
    & skf21("1","5","4","6","4","4","6","1") = "5"
    & skf21("1","5","4","6","4","4","7","1") = "6"
    & skf21("1","5","4","6","4","5","1","1") = "5"
    & skf21("1","5","4","6","4","5","2","1") = "5"
    & skf21("1","5","4","6","4","5","3","1") = "5"
    & skf21("1","5","4","6","4","5","4","1") = "5"
    & skf21("1","5","4","6","4","5","5","1") = "5"
    & skf21("1","5","4","6","4","5","6","1") = "5"
    & skf21("1","5","4","6","4","5","7","1") = "6"
    & skf21("1","5","4","6","4","6","1","1") = "5"
    & skf21("1","5","4","6","4","6","2","1") = "5"
    & skf21("1","5","4","6","4","6","3","1") = "5"
    & skf21("1","5","4","6","4","6","4","1") = "5"
    & skf21("1","5","4","6","4","6","5","1") = "5"
    & skf21("1","5","4","6","4","6","6","1") = "5"
    & skf21("1","5","4","6","4","6","7","1") = "6"
    & skf21("1","5","4","6","4","7","1","1") = "6"
    & skf21("1","5","4","6","4","7","2","1") = "6"
    & skf21("1","5","4","6","4","7","3","1") = "6"
    & skf21("1","5","4","6","4","7","4","1") = "6"
    & skf21("1","5","4","6","4","7","5","1") = "6"
    & skf21("1","5","4","6","4","7","6","1") = "6"
    & skf21("1","5","4","6","4","7","7","1") = "6"
    & skf21("1","5","4","6","5","1","1","1") = "5"
    & skf21("1","5","4","6","5","1","2","1") = "5"
    & skf21("1","5","4","6","5","1","3","1") = "5"
    & skf21("1","5","4","6","5","1","4","1") = "5"
    & skf21("1","5","4","6","5","1","5","1") = "5"
    & skf21("1","5","4","6","5","1","6","1") = "5"
    & skf21("1","5","4","6","5","1","7","1") = "6"
    & skf21("1","5","4","6","5","2","1","1") = "5"
    & skf21("1","5","4","6","5","2","2","1") = "5"
    & skf21("1","5","4","6","5","2","3","1") = "5"
    & skf21("1","5","4","6","5","2","4","1") = "5"
    & skf21("1","5","4","6","5","2","5","1") = "5"
    & skf21("1","5","4","6","5","2","6","1") = "5"
    & skf21("1","5","4","6","5","2","7","1") = "6"
    & skf21("1","5","4","6","5","3","1","1") = "5"
    & skf21("1","5","4","6","5","3","2","1") = "5"
    & skf21("1","5","4","6","5","3","3","1") = "5"
    & skf21("1","5","4","6","5","3","4","1") = "5"
    & skf21("1","5","4","6","5","3","5","1") = "5"
    & skf21("1","5","4","6","5","3","6","1") = "5"
    & skf21("1","5","4","6","5","3","7","1") = "6"
    & skf21("1","5","4","6","5","4","1","1") = "5"
    & skf21("1","5","4","6","5","4","2","1") = "5"
    & skf21("1","5","4","6","5","4","3","1") = "5"
    & skf21("1","5","4","6","5","4","4","1") = "5"
    & skf21("1","5","4","6","5","4","5","1") = "5"
    & skf21("1","5","4","6","5","4","6","1") = "5"
    & skf21("1","5","4","6","5","4","7","1") = "6"
    & skf21("1","5","4","6","5","5","1","1") = "5"
    & skf21("1","5","4","6","5","5","2","1") = "5"
    & skf21("1","5","4","6","5","5","3","1") = "5"
    & skf21("1","5","4","6","5","5","4","1") = "5"
    & skf21("1","5","4","6","5","5","5","1") = "5"
    & skf21("1","5","4","6","5","5","6","1") = "5"
    & skf21("1","5","4","6","5","5","7","1") = "6"
    & skf21("1","5","4","6","5","6","1","1") = "5"
    & skf21("1","5","4","6","5","6","2","1") = "5"
    & skf21("1","5","4","6","5","6","3","1") = "5"
    & skf21("1","5","4","6","5","6","4","1") = "5"
    & skf21("1","5","4","6","5","6","5","1") = "5"
    & skf21("1","5","4","6","5","6","6","1") = "5"
    & skf21("1","5","4","6","5","6","7","1") = "6"
    & skf21("1","5","4","6","5","7","1","1") = "6"
    & skf21("1","5","4","6","5","7","2","1") = "6"
    & skf21("1","5","4","6","5","7","3","1") = "6"
    & skf21("1","5","4","6","5","7","4","1") = "6"
    & skf21("1","5","4","6","5","7","5","1") = "6"
    & skf21("1","5","4","6","5","7","6","1") = "6"
    & skf21("1","5","4","6","5","7","7","1") = "6"
    & skf21("1","5","4","6","6","1","1","1") = "5"
    & skf21("1","5","4","6","6","1","2","1") = "5"
    & skf21("1","5","4","6","6","1","3","1") = "5"
    & skf21("1","5","4","6","6","1","4","1") = "5"
    & skf21("1","5","4","6","6","1","5","1") = "5"
    & skf21("1","5","4","6","6","1","6","1") = "5"
    & skf21("1","5","4","6","6","1","7","1") = "6"
    & skf21("1","5","4","6","6","2","1","1") = "5"
    & skf21("1","5","4","6","6","2","2","1") = "5"
    & skf21("1","5","4","6","6","2","3","1") = "5"
    & skf21("1","5","4","6","6","2","4","1") = "5"
    & skf21("1","5","4","6","6","2","5","1") = "5"
    & skf21("1","5","4","6","6","2","6","1") = "5"
    & skf21("1","5","4","6","6","2","7","1") = "6"
    & skf21("1","5","4","6","6","3","1","1") = "5"
    & skf21("1","5","4","6","6","3","2","1") = "5"
    & skf21("1","5","4","6","6","3","3","1") = "5"
    & skf21("1","5","4","6","6","3","4","1") = "5"
    & skf21("1","5","4","6","6","3","5","1") = "5"
    & skf21("1","5","4","6","6","3","6","1") = "5"
    & skf21("1","5","4","6","6","3","7","1") = "6"
    & skf21("1","5","4","6","6","4","1","1") = "5"
    & skf21("1","5","4","6","6","4","2","1") = "5"
    & skf21("1","5","4","6","6","4","3","1") = "5"
    & skf21("1","5","4","6","6","4","4","1") = "5"
    & skf21("1","5","4","6","6","4","5","1") = "5"
    & skf21("1","5","4","6","6","4","6","1") = "5"
    & skf21("1","5","4","6","6","4","7","1") = "6"
    & skf21("1","5","4","6","6","5","1","1") = "5"
    & skf21("1","5","4","6","6","5","2","1") = "5"
    & skf21("1","5","4","6","6","5","3","1") = "5"
    & skf21("1","5","4","6","6","5","4","1") = "5"
    & skf21("1","5","4","6","6","5","5","1") = "5"
    & skf21("1","5","4","6","6","5","6","1") = "5"
    & skf21("1","5","4","6","6","5","7","1") = "6"
    & skf21("1","5","4","6","6","6","1","1") = "5"
    & skf21("1","5","4","6","6","6","2","1") = "5"
    & skf21("1","5","4","6","6","6","3","1") = "5"
    & skf21("1","5","4","6","6","6","4","1") = "5"
    & skf21("1","5","4","6","6","6","5","1") = "5"
    & skf21("1","5","4","6","6","6","6","1") = "5"
    & skf21("1","5","4","6","6","6","7","1") = "6"
    & skf21("1","5","4","6","6","7","1","1") = "6"
    & skf21("1","5","4","6","6","7","2","1") = "6"
    & skf21("1","5","4","6","6","7","3","1") = "6"
    & skf21("1","5","4","6","6","7","4","1") = "6"
    & skf21("1","5","4","6","6","7","5","1") = "6"
    & skf21("1","5","4","6","6","7","6","1") = "6"
    & skf21("1","5","4","6","6","7","7","1") = "6"
    & skf21("1","5","4","6","7","1","1","1") = "6"
    & skf21("1","5","4","6","7","1","2","1") = "6"
    & skf21("1","5","4","6","7","1","3","1") = "6"
    & skf21("1","5","4","6","7","1","4","1") = "6"
    & skf21("1","5","4","6","7","1","5","1") = "6"
    & skf21("1","5","4","6","7","1","6","1") = "6"
    & skf21("1","5","4","6","7","1","7","1") = "6"
    & skf21("1","5","4","6","7","2","1","1") = "6"
    & skf21("1","5","4","6","7","2","2","1") = "6"
    & skf21("1","5","4","6","7","2","3","1") = "6"
    & skf21("1","5","4","6","7","2","4","1") = "6"
    & skf21("1","5","4","6","7","2","5","1") = "6"
    & skf21("1","5","4","6","7","2","6","1") = "6"
    & skf21("1","5","4","6","7","2","7","1") = "6"
    & skf21("1","5","4","6","7","3","1","1") = "6"
    & skf21("1","5","4","6","7","3","2","1") = "6"
    & skf21("1","5","4","6","7","3","3","1") = "6"
    & skf21("1","5","4","6","7","3","4","1") = "6"
    & skf21("1","5","4","6","7","3","5","1") = "6"
    & skf21("1","5","4","6","7","3","6","1") = "6"
    & skf21("1","5","4","6","7","3","7","1") = "6"
    & skf21("1","5","4","6","7","4","1","1") = "6"
    & skf21("1","5","4","6","7","4","2","1") = "6"
    & skf21("1","5","4","6","7","4","3","1") = "6"
    & skf21("1","5","4","6","7","4","4","1") = "6"
    & skf21("1","5","4","6","7","4","5","1") = "6"
    & skf21("1","5","4","6","7","4","6","1") = "6"
    & skf21("1","5","4","6","7","4","7","1") = "6"
    & skf21("1","5","4","6","7","5","1","1") = "6"
    & skf21("1","5","4","6","7","5","2","1") = "6"
    & skf21("1","5","4","6","7","5","3","1") = "6"
    & skf21("1","5","4","6","7","5","4","1") = "6"
    & skf21("1","5","4","6","7","5","5","1") = "6"
    & skf21("1","5","4","6","7","5","6","1") = "6"
    & skf21("1","5","4","6","7","5","7","1") = "6"
    & skf21("1","5","4","6","7","6","1","1") = "6"
    & skf21("1","5","4","6","7","6","2","1") = "6"
    & skf21("1","5","4","6","7","6","3","1") = "6"
    & skf21("1","5","4","6","7","6","4","1") = "6"
    & skf21("1","5","4","6","7","6","5","1") = "6"
    & skf21("1","5","4","6","7","6","6","1") = "6"
    & skf21("1","5","4","6","7","6","7","1") = "6"
    & skf21("1","5","4","6","7","7","1","1") = "6"
    & skf21("1","5","4","6","7","7","2","1") = "6"
    & skf21("1","5","4","6","7","7","3","1") = "6"
    & skf21("1","5","4","6","7","7","4","1") = "6"
    & skf21("1","5","4","6","7","7","5","1") = "6"
    & skf21("1","5","4","6","7","7","6","1") = "6"
    & skf21("1","5","4","6","7","7","7","1") = "6"
    & skf21("1","5","4","7","1","1","1","1") = "6"
    & skf21("1","5","4","7","1","1","2","1") = "6"
    & skf21("1","5","4","7","1","1","3","1") = "6"
    & skf21("1","5","4","7","1","1","4","1") = "6"
    & skf21("1","5","4","7","1","1","5","1") = "6"
    & skf21("1","5","4","7","1","1","6","1") = "6"
    & skf21("1","5","4","7","1","1","7","1") = "6"
    & skf21("1","5","4","7","1","2","1","1") = "6"
    & skf21("1","5","4","7","1","2","2","1") = "6"
    & skf21("1","5","4","7","1","2","3","1") = "6"
    & skf21("1","5","4","7","1","2","4","1") = "6"
    & skf21("1","5","4","7","1","2","5","1") = "6"
    & skf21("1","5","4","7","1","2","6","1") = "6"
    & skf21("1","5","4","7","1","2","7","1") = "6"
    & skf21("1","5","4","7","1","3","1","1") = "6"
    & skf21("1","5","4","7","1","3","2","1") = "6"
    & skf21("1","5","4","7","1","3","3","1") = "6"
    & skf21("1","5","4","7","1","3","4","1") = "6"
    & skf21("1","5","4","7","1","3","5","1") = "6"
    & skf21("1","5","4","7","1","3","6","1") = "6"
    & skf21("1","5","4","7","1","3","7","1") = "6"
    & skf21("1","5","4","7","1","4","1","1") = "6"
    & skf21("1","5","4","7","1","4","2","1") = "6"
    & skf21("1","5","4","7","1","4","3","1") = "6"
    & skf21("1","5","4","7","1","4","4","1") = "6"
    & skf21("1","5","4","7","1","4","5","1") = "6"
    & skf21("1","5","4","7","1","4","6","1") = "6"
    & skf21("1","5","4","7","1","4","7","1") = "6"
    & skf21("1","5","4","7","1","5","1","1") = "6"
    & skf21("1","5","4","7","1","5","2","1") = "6"
    & skf21("1","5","4","7","1","5","3","1") = "6"
    & skf21("1","5","4","7","1","5","4","1") = "6"
    & skf21("1","5","4","7","1","5","5","1") = "6"
    & skf21("1","5","4","7","1","5","6","1") = "6"
    & skf21("1","5","4","7","1","5","7","1") = "6"
    & skf21("1","5","4","7","1","6","1","1") = "6"
    & skf21("1","5","4","7","1","6","2","1") = "6"
    & skf21("1","5","4","7","1","6","3","1") = "6"
    & skf21("1","5","4","7","1","6","4","1") = "6"
    & skf21("1","5","4","7","1","6","5","1") = "6"
    & skf21("1","5","4","7","1","6","6","1") = "6"
    & skf21("1","5","4","7","1","6","7","1") = "6"
    & skf21("1","5","4","7","1","7","1","1") = "6"
    & skf21("1","5","4","7","1","7","2","1") = "6"
    & skf21("1","5","4","7","1","7","3","1") = "6"
    & skf21("1","5","4","7","1","7","4","1") = "6"
    & skf21("1","5","4","7","1","7","5","1") = "6"
    & skf21("1","5","4","7","1","7","6","1") = "6"
    & skf21("1","5","4","7","1","7","7","1") = "6"
    & skf21("1","5","4","7","2","1","1","1") = "6"
    & skf21("1","5","4","7","2","1","2","1") = "6"
    & skf21("1","5","4","7","2","1","3","1") = "6"
    & skf21("1","5","4","7","2","1","4","1") = "6"
    & skf21("1","5","4","7","2","1","5","1") = "6"
    & skf21("1","5","4","7","2","1","6","1") = "6"
    & skf21("1","5","4","7","2","1","7","1") = "6"
    & skf21("1","5","4","7","2","2","1","1") = "6"
    & skf21("1","5","4","7","2","2","2","1") = "6"
    & skf21("1","5","4","7","2","2","3","1") = "6"
    & skf21("1","5","4","7","2","2","4","1") = "6"
    & skf21("1","5","4","7","2","2","5","1") = "6"
    & skf21("1","5","4","7","2","2","6","1") = "6"
    & skf21("1","5","4","7","2","2","7","1") = "6"
    & skf21("1","5","4","7","2","3","1","1") = "6"
    & skf21("1","5","4","7","2","3","2","1") = "6"
    & skf21("1","5","4","7","2","3","3","1") = "6"
    & skf21("1","5","4","7","2","3","4","1") = "6"
    & skf21("1","5","4","7","2","3","5","1") = "6"
    & skf21("1","5","4","7","2","3","6","1") = "6"
    & skf21("1","5","4","7","2","3","7","1") = "6"
    & skf21("1","5","4","7","2","4","1","1") = "6"
    & skf21("1","5","4","7","2","4","2","1") = "6"
    & skf21("1","5","4","7","2","4","3","1") = "6"
    & skf21("1","5","4","7","2","4","4","1") = "6"
    & skf21("1","5","4","7","2","4","5","1") = "6"
    & skf21("1","5","4","7","2","4","6","1") = "6"
    & skf21("1","5","4","7","2","4","7","1") = "6"
    & skf21("1","5","4","7","2","5","1","1") = "6"
    & skf21("1","5","4","7","2","5","2","1") = "6"
    & skf21("1","5","4","7","2","5","3","1") = "6"
    & skf21("1","5","4","7","2","5","4","1") = "6"
    & skf21("1","5","4","7","2","5","5","1") = "6"
    & skf21("1","5","4","7","2","5","6","1") = "6"
    & skf21("1","5","4","7","2","5","7","1") = "6"
    & skf21("1","5","4","7","2","6","1","1") = "6"
    & skf21("1","5","4","7","2","6","2","1") = "6"
    & skf21("1","5","4","7","2","6","3","1") = "6"
    & skf21("1","5","4","7","2","6","4","1") = "6"
    & skf21("1","5","4","7","2","6","5","1") = "6"
    & skf21("1","5","4","7","2","6","6","1") = "6"
    & skf21("1","5","4","7","2","6","7","1") = "6"
    & skf21("1","5","4","7","2","7","1","1") = "6"
    & skf21("1","5","4","7","2","7","2","1") = "6"
    & skf21("1","5","4","7","2","7","3","1") = "6"
    & skf21("1","5","4","7","2","7","4","1") = "6"
    & skf21("1","5","4","7","2","7","5","1") = "6"
    & skf21("1","5","4","7","2","7","6","1") = "6"
    & skf21("1","5","4","7","2","7","7","1") = "6"
    & skf21("1","5","4","7","3","1","1","1") = "6"
    & skf21("1","5","4","7","3","1","2","1") = "6"
    & skf21("1","5","4","7","3","1","3","1") = "6"
    & skf21("1","5","4","7","3","1","4","1") = "6"
    & skf21("1","5","4","7","3","1","5","1") = "6"
    & skf21("1","5","4","7","3","1","6","1") = "6"
    & skf21("1","5","4","7","3","1","7","1") = "6"
    & skf21("1","5","4","7","3","2","1","1") = "6"
    & skf21("1","5","4","7","3","2","2","1") = "6"
    & skf21("1","5","4","7","3","2","3","1") = "6"
    & skf21("1","5","4","7","3","2","4","1") = "6"
    & skf21("1","5","4","7","3","2","5","1") = "6"
    & skf21("1","5","4","7","3","2","6","1") = "6"
    & skf21("1","5","4","7","3","2","7","1") = "6"
    & skf21("1","5","4","7","3","3","1","1") = "6"
    & skf21("1","5","4","7","3","3","2","1") = "6"
    & skf21("1","5","4","7","3","3","3","1") = "6"
    & skf21("1","5","4","7","3","3","4","1") = "6"
    & skf21("1","5","4","7","3","3","5","1") = "6"
    & skf21("1","5","4","7","3","3","6","1") = "6"
    & skf21("1","5","4","7","3","3","7","1") = "6"
    & skf21("1","5","4","7","3","4","1","1") = "6"
    & skf21("1","5","4","7","3","4","2","1") = "6"
    & skf21("1","5","4","7","3","4","3","1") = "6"
    & skf21("1","5","4","7","3","4","4","1") = "6"
    & skf21("1","5","4","7","3","4","5","1") = "6"
    & skf21("1","5","4","7","3","4","6","1") = "6"
    & skf21("1","5","4","7","3","4","7","1") = "6"
    & skf21("1","5","4","7","3","5","1","1") = "6"
    & skf21("1","5","4","7","3","5","2","1") = "6"
    & skf21("1","5","4","7","3","5","3","1") = "6"
    & skf21("1","5","4","7","3","5","4","1") = "6"
    & skf21("1","5","4","7","3","5","5","1") = "6"
    & skf21("1","5","4","7","3","5","6","1") = "6"
    & skf21("1","5","4","7","3","5","7","1") = "6"
    & skf21("1","5","4","7","3","6","1","1") = "6"
    & skf21("1","5","4","7","3","6","2","1") = "6"
    & skf21("1","5","4","7","3","6","3","1") = "6"
    & skf21("1","5","4","7","3","6","4","1") = "6"
    & skf21("1","5","4","7","3","6","5","1") = "6"
    & skf21("1","5","4","7","3","6","6","1") = "6"
    & skf21("1","5","4","7","3","6","7","1") = "6"
    & skf21("1","5","4","7","3","7","1","1") = "6"
    & skf21("1","5","4","7","3","7","2","1") = "6"
    & skf21("1","5","4","7","3","7","3","1") = "6"
    & skf21("1","5","4","7","3","7","4","1") = "6"
    & skf21("1","5","4","7","3","7","5","1") = "6"
    & skf21("1","5","4","7","3","7","6","1") = "6"
    & skf21("1","5","4","7","3","7","7","1") = "6"
    & skf21("1","5","4","7","4","1","1","1") = "6"
    & skf21("1","5","4","7","4","1","2","1") = "6"
    & skf21("1","5","4","7","4","1","3","1") = "6"
    & skf21("1","5","4","7","4","1","4","1") = "6"
    & skf21("1","5","4","7","4","1","5","1") = "6"
    & skf21("1","5","4","7","4","1","6","1") = "6"
    & skf21("1","5","4","7","4","1","7","1") = "6"
    & skf21("1","5","4","7","4","2","1","1") = "6"
    & skf21("1","5","4","7","4","2","2","1") = "6"
    & skf21("1","5","4","7","4","2","3","1") = "6"
    & skf21("1","5","4","7","4","2","4","1") = "6"
    & skf21("1","5","4","7","4","2","5","1") = "6"
    & skf21("1","5","4","7","4","2","6","1") = "6"
    & skf21("1","5","4","7","4","2","7","1") = "6"
    & skf21("1","5","4","7","4","3","1","1") = "6"
    & skf21("1","5","4","7","4","3","2","1") = "6"
    & skf21("1","5","4","7","4","3","3","1") = "6"
    & skf21("1","5","4","7","4","3","4","1") = "6"
    & skf21("1","5","4","7","4","3","5","1") = "6"
    & skf21("1","5","4","7","4","3","6","1") = "6"
    & skf21("1","5","4","7","4","3","7","1") = "6"
    & skf21("1","5","4","7","4","4","1","1") = "6"
    & skf21("1","5","4","7","4","4","2","1") = "6"
    & skf21("1","5","4","7","4","4","3","1") = "6"
    & skf21("1","5","4","7","4","4","4","1") = "6"
    & skf21("1","5","4","7","4","4","5","1") = "6"
    & skf21("1","5","4","7","4","4","6","1") = "6"
    & skf21("1","5","4","7","4","4","7","1") = "6"
    & skf21("1","5","4","7","4","5","1","1") = "6"
    & skf21("1","5","4","7","4","5","2","1") = "6"
    & skf21("1","5","4","7","4","5","3","1") = "6"
    & skf21("1","5","4","7","4","5","4","1") = "6"
    & skf21("1","5","4","7","4","5","5","1") = "6"
    & skf21("1","5","4","7","4","5","6","1") = "6"
    & skf21("1","5","4","7","4","5","7","1") = "6"
    & skf21("1","5","4","7","4","6","1","1") = "6"
    & skf21("1","5","4","7","4","6","2","1") = "6"
    & skf21("1","5","4","7","4","6","3","1") = "6"
    & skf21("1","5","4","7","4","6","4","1") = "6"
    & skf21("1","5","4","7","4","6","5","1") = "6"
    & skf21("1","5","4","7","4","6","6","1") = "6"
    & skf21("1","5","4","7","4","6","7","1") = "6"
    & skf21("1","5","4","7","4","7","1","1") = "6"
    & skf21("1","5","4","7","4","7","2","1") = "6"
    & skf21("1","5","4","7","4","7","3","1") = "6"
    & skf21("1","5","4","7","4","7","4","1") = "6"
    & skf21("1","5","4","7","4","7","5","1") = "6"
    & skf21("1","5","4","7","4","7","6","1") = "6"
    & skf21("1","5","4","7","4","7","7","1") = "6"
    & skf21("1","5","4","7","5","1","1","1") = "6"
    & skf21("1","5","4","7","5","1","2","1") = "6"
    & skf21("1","5","4","7","5","1","3","1") = "6"
    & skf21("1","5","4","7","5","1","4","1") = "6"
    & skf21("1","5","4","7","5","1","5","1") = "6"
    & skf21("1","5","4","7","5","1","6","1") = "6"
    & skf21("1","5","4","7","5","1","7","1") = "6"
    & skf21("1","5","4","7","5","2","1","1") = "6"
    & skf21("1","5","4","7","5","2","2","1") = "6"
    & skf21("1","5","4","7","5","2","3","1") = "6"
    & skf21("1","5","4","7","5","2","4","1") = "6"
    & skf21("1","5","4","7","5","2","5","1") = "6"
    & skf21("1","5","4","7","5","2","6","1") = "6"
    & skf21("1","5","4","7","5","2","7","1") = "6"
    & skf21("1","5","4","7","5","3","1","1") = "6"
    & skf21("1","5","4","7","5","3","2","1") = "6"
    & skf21("1","5","4","7","5","3","3","1") = "6"
    & skf21("1","5","4","7","5","3","4","1") = "6"
    & skf21("1","5","4","7","5","3","5","1") = "6"
    & skf21("1","5","4","7","5","3","6","1") = "6"
    & skf21("1","5","4","7","5","3","7","1") = "6"
    & skf21("1","5","4","7","5","4","1","1") = "6"
    & skf21("1","5","4","7","5","4","2","1") = "6"
    & skf21("1","5","4","7","5","4","3","1") = "6"
    & skf21("1","5","4","7","5","4","4","1") = "6"
    & skf21("1","5","4","7","5","4","5","1") = "6"
    & skf21("1","5","4","7","5","4","6","1") = "6"
    & skf21("1","5","4","7","5","4","7","1") = "6"
    & skf21("1","5","4","7","5","5","1","1") = "6"
    & skf21("1","5","4","7","5","5","2","1") = "6"
    & skf21("1","5","4","7","5","5","3","1") = "6"
    & skf21("1","5","4","7","5","5","4","1") = "6"
    & skf21("1","5","4","7","5","5","5","1") = "6"
    & skf21("1","5","4","7","5","5","6","1") = "6"
    & skf21("1","5","4","7","5","5","7","1") = "6"
    & skf21("1","5","4","7","5","6","1","1") = "6"
    & skf21("1","5","4","7","5","6","2","1") = "6"
    & skf21("1","5","4","7","5","6","3","1") = "6"
    & skf21("1","5","4","7","5","6","4","1") = "6"
    & skf21("1","5","4","7","5","6","5","1") = "6"
    & skf21("1","5","4","7","5","6","6","1") = "6"
    & skf21("1","5","4","7","5","6","7","1") = "6"
    & skf21("1","5","4","7","5","7","1","1") = "6"
    & skf21("1","5","4","7","5","7","2","1") = "6"
    & skf21("1","5","4","7","5","7","3","1") = "6"
    & skf21("1","5","4","7","5","7","4","1") = "6"
    & skf21("1","5","4","7","5","7","5","1") = "6"
    & skf21("1","5","4","7","5","7","6","1") = "6"
    & skf21("1","5","4","7","5","7","7","1") = "6"
    & skf21("1","5","4","7","6","1","1","1") = "6"
    & skf21("1","5","4","7","6","1","2","1") = "6"
    & skf21("1","5","4","7","6","1","3","1") = "6"
    & skf21("1","5","4","7","6","1","4","1") = "6"
    & skf21("1","5","4","7","6","1","5","1") = "6"
    & skf21("1","5","4","7","6","1","6","1") = "6"
    & skf21("1","5","4","7","6","1","7","1") = "6"
    & skf21("1","5","4","7","6","2","1","1") = "6"
    & skf21("1","5","4","7","6","2","2","1") = "6"
    & skf21("1","5","4","7","6","2","3","1") = "6"
    & skf21("1","5","4","7","6","2","4","1") = "6"
    & skf21("1","5","4","7","6","2","5","1") = "6"
    & skf21("1","5","4","7","6","2","6","1") = "6"
    & skf21("1","5","4","7","6","2","7","1") = "6"
    & skf21("1","5","4","7","6","3","1","1") = "6"
    & skf21("1","5","4","7","6","3","2","1") = "6"
    & skf21("1","5","4","7","6","3","3","1") = "6"
    & skf21("1","5","4","7","6","3","4","1") = "6"
    & skf21("1","5","4","7","6","3","5","1") = "6"
    & skf21("1","5","4","7","6","3","6","1") = "6"
    & skf21("1","5","4","7","6","3","7","1") = "6"
    & skf21("1","5","4","7","6","4","1","1") = "6"
    & skf21("1","5","4","7","6","4","2","1") = "6"
    & skf21("1","5","4","7","6","4","3","1") = "6"
    & skf21("1","5","4","7","6","4","4","1") = "6"
    & skf21("1","5","4","7","6","4","5","1") = "6"
    & skf21("1","5","4","7","6","4","6","1") = "6"
    & skf21("1","5","4","7","6","4","7","1") = "6"
    & skf21("1","5","4","7","6","5","1","1") = "6"
    & skf21("1","5","4","7","6","5","2","1") = "6"
    & skf21("1","5","4","7","6","5","3","1") = "6"
    & skf21("1","5","4","7","6","5","4","1") = "6"
    & skf21("1","5","4","7","6","5","5","1") = "6"
    & skf21("1","5","4","7","6","5","6","1") = "6"
    & skf21("1","5","4","7","6","5","7","1") = "6"
    & skf21("1","5","4","7","6","6","1","1") = "6"
    & skf21("1","5","4","7","6","6","2","1") = "6"
    & skf21("1","5","4","7","6","6","3","1") = "6"
    & skf21("1","5","4","7","6","6","4","1") = "6"
    & skf21("1","5","4","7","6","6","5","1") = "6"
    & skf21("1","5","4","7","6","6","6","1") = "6"
    & skf21("1","5","4","7","6","6","7","1") = "6"
    & skf21("1","5","4","7","6","7","1","1") = "6"
    & skf21("1","5","4","7","6","7","2","1") = "6"
    & skf21("1","5","4","7","6","7","3","1") = "6"
    & skf21("1","5","4","7","6","7","4","1") = "6"
    & skf21("1","5","4","7","6","7","5","1") = "6"
    & skf21("1","5","4","7","6","7","6","1") = "6"
    & skf21("1","5","4","7","6","7","7","1") = "6"
    & skf21("1","5","4","7","7","1","1","1") = "6"
    & skf21("1","5","4","7","7","1","2","1") = "6"
    & skf21("1","5","4","7","7","1","3","1") = "6"
    & skf21("1","5","4","7","7","1","4","1") = "6"
    & skf21("1","5","4","7","7","1","5","1") = "6"
    & skf21("1","5","4","7","7","1","6","1") = "6"
    & skf21("1","5","4","7","7","1","7","1") = "6"
    & skf21("1","5","4","7","7","2","1","1") = "6"
    & skf21("1","5","4","7","7","2","2","1") = "6"
    & skf21("1","5","4","7","7","2","3","1") = "6"
    & skf21("1","5","4","7","7","2","4","1") = "6"
    & skf21("1","5","4","7","7","2","5","1") = "6"
    & skf21("1","5","4","7","7","2","6","1") = "6"
    & skf21("1","5","4","7","7","2","7","1") = "6"
    & skf21("1","5","4","7","7","3","1","1") = "6"
    & skf21("1","5","4","7","7","3","2","1") = "6"
    & skf21("1","5","4","7","7","3","3","1") = "6"
    & skf21("1","5","4","7","7","3","4","1") = "6"
    & skf21("1","5","4","7","7","3","5","1") = "6"
    & skf21("1","5","4","7","7","3","6","1") = "6"
    & skf21("1","5","4","7","7","3","7","1") = "6"
    & skf21("1","5","4","7","7","4","1","1") = "6"
    & skf21("1","5","4","7","7","4","2","1") = "6"
    & skf21("1","5","4","7","7","4","3","1") = "6"
    & skf21("1","5","4","7","7","4","4","1") = "6"
    & skf21("1","5","4","7","7","4","5","1") = "6"
    & skf21("1","5","4","7","7","4","6","1") = "6"
    & skf21("1","5","4","7","7","4","7","1") = "6"
    & skf21("1","5","4","7","7","5","1","1") = "6"
    & skf21("1","5","4","7","7","5","2","1") = "6"
    & skf21("1","5","4","7","7","5","3","1") = "6"
    & skf21("1","5","4","7","7","5","4","1") = "6"
    & skf21("1","5","4","7","7","5","5","1") = "6"
    & skf21("1","5","4","7","7","5","6","1") = "6"
    & skf21("1","5","4","7","7","5","7","1") = "6"
    & skf21("1","5","4","7","7","6","1","1") = "6"
    & skf21("1","5","4","7","7","6","2","1") = "6"
    & skf21("1","5","4","7","7","6","3","1") = "6"
    & skf21("1","5","4","7","7","6","4","1") = "6"
    & skf21("1","5","4","7","7","6","5","1") = "6"
    & skf21("1","5","4","7","7","6","6","1") = "6"
    & skf21("1","5","4","7","7","6","7","1") = "6"
    & skf21("1","5","4","7","7","7","1","1") = "6"
    & skf21("1","5","4","7","7","7","2","1") = "6"
    & skf21("1","5","4","7","7","7","3","1") = "6"
    & skf21("1","5","4","7","7","7","4","1") = "6"
    & skf21("1","5","4","7","7","7","5","1") = "6"
    & skf21("1","5","4","7","7","7","6","1") = "6"
    & skf21("1","5","4","7","7","7","7","1") = "6"
    & skf21("1","5","5","1","1","1","1","1") = "4"
    & skf21("1","5","5","1","1","1","2","1") = "4"
    & skf21("1","5","5","1","1","1","3","1") = "4"
    & skf21("1","5","5","1","1","1","4","1") = "4"
    & skf21("1","5","5","1","1","1","5","1") = "4"
    & skf21("1","5","5","1","1","1","6","1") = "5"
    & skf21("1","5","5","1","1","1","7","1") = "6"
    & skf21("1","5","5","1","1","2","1","1") = "4"
    & skf21("1","5","5","1","1","2","2","1") = "4"
    & skf21("1","5","5","1","1","2","3","1") = "4"
    & skf21("1","5","5","1","1","2","4","1") = "4"
    & skf21("1","5","5","1","1","2","5","1") = "4"
    & skf21("1","5","5","1","1","2","6","1") = "5"
    & skf21("1","5","5","1","1","2","7","1") = "6"
    & skf21("1","5","5","1","1","3","1","1") = "4"
    & skf21("1","5","5","1","1","3","2","1") = "4"
    & skf21("1","5","5","1","1","3","3","1") = "4"
    & skf21("1","5","5","1","1","3","4","1") = "4"
    & skf21("1","5","5","1","1","3","5","1") = "4"
    & skf21("1","5","5","1","1","3","6","1") = "5"
    & skf21("1","5","5","1","1","3","7","1") = "6"
    & skf21("1","5","5","1","1","4","1","1") = "4"
    & skf21("1","5","5","1","1","4","2","1") = "4"
    & skf21("1","5","5","1","1","4","3","1") = "4"
    & skf21("1","5","5","1","1","4","4","1") = "4"
    & skf21("1","5","5","1","1","4","5","1") = "4"
    & skf21("1","5","5","1","1","4","6","1") = "5"
    & skf21("1","5","5","1","1","4","7","1") = "6"
    & skf21("1","5","5","1","1","5","1","1") = "4"
    & skf21("1","5","5","1","1","5","2","1") = "4"
    & skf21("1","5","5","1","1","5","3","1") = "4"
    & skf21("1","5","5","1","1","5","4","1") = "4"
    & skf21("1","5","5","1","1","5","5","1") = "4"
    & skf21("1","5","5","1","1","5","6","1") = "5"
    & skf21("1","5","5","1","1","5","7","1") = "6"
    & skf21("1","5","5","1","1","6","1","1") = "5"
    & skf21("1","5","5","1","1","6","2","1") = "5"
    & skf21("1","5","5","1","1","6","3","1") = "5"
    & skf21("1","5","5","1","1","6","4","1") = "5"
    & skf21("1","5","5","1","1","6","5","1") = "5"
    & skf21("1","5","5","1","1","6","6","1") = "5"
    & skf21("1","5","5","1","1","6","7","1") = "6"
    & skf21("1","5","5","1","1","7","1","1") = "6"
    & skf21("1","5","5","1","1","7","2","1") = "6"
    & skf21("1","5","5","1","1","7","3","1") = "6"
    & skf21("1","5","5","1","1","7","4","1") = "6"
    & skf21("1","5","5","1","1","7","5","1") = "6"
    & skf21("1","5","5","1","1","7","6","1") = "6"
    & skf21("1","5","5","1","1","7","7","1") = "6"
    & skf21("1","5","5","1","2","1","1","1") = "4"
    & skf21("1","5","5","1","2","1","2","1") = "4"
    & skf21("1","5","5","1","2","1","3","1") = "4"
    & skf21("1","5","5","1","2","1","4","1") = "4"
    & skf21("1","5","5","1","2","1","5","1") = "4"
    & skf21("1","5","5","1","2","1","6","1") = "5"
    & skf21("1","5","5","1","2","1","7","1") = "6"
    & skf21("1","5","5","1","2","2","1","1") = "4"
    & skf21("1","5","5","1","2","2","2","1") = "4"
    & skf21("1","5","5","1","2","2","3","1") = "4"
    & skf21("1","5","5","1","2","2","4","1") = "4"
    & skf21("1","5","5","1","2","2","5","1") = "4"
    & skf21("1","5","5","1","2","2","6","1") = "5"
    & skf21("1","5","5","1","2","2","7","1") = "6"
    & skf21("1","5","5","1","2","3","1","1") = "4"
    & skf21("1","5","5","1","2","3","2","1") = "4"
    & skf21("1","5","5","1","2","3","3","1") = "4"
    & skf21("1","5","5","1","2","3","4","1") = "4"
    & skf21("1","5","5","1","2","3","5","1") = "4"
    & skf21("1","5","5","1","2","3","6","1") = "5"
    & skf21("1","5","5","1","2","3","7","1") = "6"
    & skf21("1","5","5","1","2","4","1","1") = "4"
    & skf21("1","5","5","1","2","4","2","1") = "4"
    & skf21("1","5","5","1","2","4","3","1") = "4"
    & skf21("1","5","5","1","2","4","4","1") = "4"
    & skf21("1","5","5","1","2","4","5","1") = "4"
    & skf21("1","5","5","1","2","4","6","1") = "5"
    & skf21("1","5","5","1","2","4","7","1") = "6"
    & skf21("1","5","5","1","2","5","1","1") = "4"
    & skf21("1","5","5","1","2","5","2","1") = "4"
    & skf21("1","5","5","1","2","5","3","1") = "4"
    & skf21("1","5","5","1","2","5","4","1") = "4"
    & skf21("1","5","5","1","2","5","5","1") = "4"
    & skf21("1","5","5","1","2","5","6","1") = "5"
    & skf21("1","5","5","1","2","5","7","1") = "6"
    & skf21("1","5","5","1","2","6","1","1") = "5"
    & skf21("1","5","5","1","2","6","2","1") = "5"
    & skf21("1","5","5","1","2","6","3","1") = "5"
    & skf21("1","5","5","1","2","6","4","1") = "5"
    & skf21("1","5","5","1","2","6","5","1") = "5"
    & skf21("1","5","5","1","2","6","6","1") = "5"
    & skf21("1","5","5","1","2","6","7","1") = "6"
    & skf21("1","5","5","1","2","7","1","1") = "6"
    & skf21("1","5","5","1","2","7","2","1") = "6"
    & skf21("1","5","5","1","2","7","3","1") = "6"
    & skf21("1","5","5","1","2","7","4","1") = "6"
    & skf21("1","5","5","1","2","7","5","1") = "6"
    & skf21("1","5","5","1","2","7","6","1") = "6"
    & skf21("1","5","5","1","2","7","7","1") = "6"
    & skf21("1","5","5","1","3","1","1","1") = "4"
    & skf21("1","5","5","1","3","1","2","1") = "4"
    & skf21("1","5","5","1","3","1","3","1") = "4"
    & skf21("1","5","5","1","3","1","4","1") = "4"
    & skf21("1","5","5","1","3","1","5","1") = "4"
    & skf21("1","5","5","1","3","1","6","1") = "5"
    & skf21("1","5","5","1","3","1","7","1") = "6"
    & skf21("1","5","5","1","3","2","1","1") = "4"
    & skf21("1","5","5","1","3","2","2","1") = "4"
    & skf21("1","5","5","1","3","2","3","1") = "4"
    & skf21("1","5","5","1","3","2","4","1") = "4"
    & skf21("1","5","5","1","3","2","5","1") = "4"
    & skf21("1","5","5","1","3","2","6","1") = "5"
    & skf21("1","5","5","1","3","2","7","1") = "6"
    & skf21("1","5","5","1","3","3","1","1") = "4"
    & skf21("1","5","5","1","3","3","2","1") = "4"
    & skf21("1","5","5","1","3","3","3","1") = "4"
    & skf21("1","5","5","1","3","3","4","1") = "4"
    & skf21("1","5","5","1","3","3","5","1") = "4"
    & skf21("1","5","5","1","3","3","6","1") = "5"
    & skf21("1","5","5","1","3","3","7","1") = "6"
    & skf21("1","5","5","1","3","4","1","1") = "4"
    & skf21("1","5","5","1","3","4","2","1") = "4"
    & skf21("1","5","5","1","3","4","3","1") = "4"
    & skf21("1","5","5","1","3","4","4","1") = "4"
    & skf21("1","5","5","1","3","4","5","1") = "4"
    & skf21("1","5","5","1","3","4","6","1") = "5"
    & skf21("1","5","5","1","3","4","7","1") = "6"
    & skf21("1","5","5","1","3","5","1","1") = "4"
    & skf21("1","5","5","1","3","5","2","1") = "4"
    & skf21("1","5","5","1","3","5","3","1") = "4"
    & skf21("1","5","5","1","3","5","4","1") = "4"
    & skf21("1","5","5","1","3","5","5","1") = "4"
    & skf21("1","5","5","1","3","5","6","1") = "5"
    & skf21("1","5","5","1","3","5","7","1") = "6"
    & skf21("1","5","5","1","3","6","1","1") = "5"
    & skf21("1","5","5","1","3","6","2","1") = "5"
    & skf21("1","5","5","1","3","6","3","1") = "5"
    & skf21("1","5","5","1","3","6","4","1") = "5"
    & skf21("1","5","5","1","3","6","5","1") = "5"
    & skf21("1","5","5","1","3","6","6","1") = "5"
    & skf21("1","5","5","1","3","6","7","1") = "6"
    & skf21("1","5","5","1","3","7","1","1") = "6"
    & skf21("1","5","5","1","3","7","2","1") = "6"
    & skf21("1","5","5","1","3","7","3","1") = "6"
    & skf21("1","5","5","1","3","7","4","1") = "6"
    & skf21("1","5","5","1","3","7","5","1") = "6"
    & skf21("1","5","5","1","3","7","6","1") = "6"
    & skf21("1","5","5","1","3","7","7","1") = "6"
    & skf21("1","5","5","1","4","1","1","1") = "4"
    & skf21("1","5","5","1","4","1","2","1") = "4"
    & skf21("1","5","5","1","4","1","3","1") = "4"
    & skf21("1","5","5","1","4","1","4","1") = "4"
    & skf21("1","5","5","1","4","1","5","1") = "4"
    & skf21("1","5","5","1","4","1","6","1") = "5"
    & skf21("1","5","5","1","4","1","7","1") = "6"
    & skf21("1","5","5","1","4","2","1","1") = "4"
    & skf21("1","5","5","1","4","2","2","1") = "4"
    & skf21("1","5","5","1","4","2","3","1") = "4"
    & skf21("1","5","5","1","4","2","4","1") = "4"
    & skf21("1","5","5","1","4","2","5","1") = "4"
    & skf21("1","5","5","1","4","2","6","1") = "5"
    & skf21("1","5","5","1","4","2","7","1") = "6"
    & skf21("1","5","5","1","4","3","1","1") = "4"
    & skf21("1","5","5","1","4","3","2","1") = "4"
    & skf21("1","5","5","1","4","3","3","1") = "4"
    & skf21("1","5","5","1","4","3","4","1") = "4"
    & skf21("1","5","5","1","4","3","5","1") = "4"
    & skf21("1","5","5","1","4","3","6","1") = "5"
    & skf21("1","5","5","1","4","3","7","1") = "6"
    & skf21("1","5","5","1","4","4","1","1") = "4"
    & skf21("1","5","5","1","4","4","2","1") = "4"
    & skf21("1","5","5","1","4","4","3","1") = "4"
    & skf21("1","5","5","1","4","4","4","1") = "4"
    & skf21("1","5","5","1","4","4","5","1") = "4"
    & skf21("1","5","5","1","4","4","6","1") = "5"
    & skf21("1","5","5","1","4","4","7","1") = "6"
    & skf21("1","5","5","1","4","5","1","1") = "4"
    & skf21("1","5","5","1","4","5","2","1") = "4"
    & skf21("1","5","5","1","4","5","3","1") = "4"
    & skf21("1","5","5","1","4","5","4","1") = "4"
    & skf21("1","5","5","1","4","5","5","1") = "4"
    & skf21("1","5","5","1","4","5","6","1") = "5"
    & skf21("1","5","5","1","4","5","7","1") = "6"
    & skf21("1","5","5","1","4","6","1","1") = "5"
    & skf21("1","5","5","1","4","6","2","1") = "5"
    & skf21("1","5","5","1","4","6","3","1") = "5"
    & skf21("1","5","5","1","4","6","4","1") = "5"
    & skf21("1","5","5","1","4","6","5","1") = "5"
    & skf21("1","5","5","1","4","6","6","1") = "5"
    & skf21("1","5","5","1","4","6","7","1") = "6"
    & skf21("1","5","5","1","4","7","1","1") = "6"
    & skf21("1","5","5","1","4","7","2","1") = "6"
    & skf21("1","5","5","1","4","7","3","1") = "6"
    & skf21("1","5","5","1","4","7","4","1") = "6"
    & skf21("1","5","5","1","4","7","5","1") = "6"
    & skf21("1","5","5","1","4","7","6","1") = "6"
    & skf21("1","5","5","1","4","7","7","1") = "6"
    & skf21("1","5","5","1","5","1","1","1") = "4"
    & skf21("1","5","5","1","5","1","2","1") = "4"
    & skf21("1","5","5","1","5","1","3","1") = "4"
    & skf21("1","5","5","1","5","1","4","1") = "4"
    & skf21("1","5","5","1","5","1","5","1") = "4"
    & skf21("1","5","5","1","5","1","6","1") = "5"
    & skf21("1","5","5","1","5","1","7","1") = "6"
    & skf21("1","5","5","1","5","2","1","1") = "4"
    & skf21("1","5","5","1","5","2","2","1") = "4"
    & skf21("1","5","5","1","5","2","3","1") = "4"
    & skf21("1","5","5","1","5","2","4","1") = "4"
    & skf21("1","5","5","1","5","2","5","1") = "4"
    & skf21("1","5","5","1","5","2","6","1") = "5"
    & skf21("1","5","5","1","5","2","7","1") = "6"
    & skf21("1","5","5","1","5","3","1","1") = "4"
    & skf21("1","5","5","1","5","3","2","1") = "4"
    & skf21("1","5","5","1","5","3","3","1") = "4"
    & skf21("1","5","5","1","5","3","4","1") = "4"
    & skf21("1","5","5","1","5","3","5","1") = "4"
    & skf21("1","5","5","1","5","3","6","1") = "5"
    & skf21("1","5","5","1","5","3","7","1") = "6"
    & skf21("1","5","5","1","5","4","1","1") = "4"
    & skf21("1","5","5","1","5","4","2","1") = "4"
    & skf21("1","5","5","1","5","4","3","1") = "4"
    & skf21("1","5","5","1","5","4","4","1") = "4"
    & skf21("1","5","5","1","5","4","5","1") = "4"
    & skf21("1","5","5","1","5","4","6","1") = "5"
    & skf21("1","5","5","1","5","4","7","1") = "6"
    & skf21("1","5","5","1","5","5","1","1") = "4"
    & skf21("1","5","5","1","5","5","2","1") = "4"
    & skf21("1","5","5","1","5","5","3","1") = "4"
    & skf21("1","5","5","1","5","5","4","1") = "4"
    & skf21("1","5","5","1","5","5","5","1") = "4"
    & skf21("1","5","5","1","5","5","6","1") = "5"
    & skf21("1","5","5","1","5","5","7","1") = "6"
    & skf21("1","5","5","1","5","6","1","1") = "5"
    & skf21("1","5","5","1","5","6","2","1") = "5"
    & skf21("1","5","5","1","5","6","3","1") = "5"
    & skf21("1","5","5","1","5","6","4","1") = "5"
    & skf21("1","5","5","1","5","6","5","1") = "5"
    & skf21("1","5","5","1","5","6","6","1") = "5"
    & skf21("1","5","5","1","5","6","7","1") = "6"
    & skf21("1","5","5","1","5","7","1","1") = "6"
    & skf21("1","5","5","1","5","7","2","1") = "6"
    & skf21("1","5","5","1","5","7","3","1") = "6"
    & skf21("1","5","5","1","5","7","4","1") = "6"
    & skf21("1","5","5","1","5","7","5","1") = "6"
    & skf21("1","5","5","1","5","7","6","1") = "6"
    & skf21("1","5","5","1","5","7","7","1") = "6"
    & skf21("1","5","5","1","6","1","1","1") = "5"
    & skf21("1","5","5","1","6","1","2","1") = "5"
    & skf21("1","5","5","1","6","1","3","1") = "5"
    & skf21("1","5","5","1","6","1","4","1") = "5"
    & skf21("1","5","5","1","6","1","5","1") = "5"
    & skf21("1","5","5","1","6","1","6","1") = "5"
    & skf21("1","5","5","1","6","1","7","1") = "6"
    & skf21("1","5","5","1","6","2","1","1") = "5"
    & skf21("1","5","5","1","6","2","2","1") = "5"
    & skf21("1","5","5","1","6","2","3","1") = "5"
    & skf21("1","5","5","1","6","2","4","1") = "5"
    & skf21("1","5","5","1","6","2","5","1") = "5"
    & skf21("1","5","5","1","6","2","6","1") = "5"
    & skf21("1","5","5","1","6","2","7","1") = "6"
    & skf21("1","5","5","1","6","3","1","1") = "5"
    & skf21("1","5","5","1","6","3","2","1") = "5"
    & skf21("1","5","5","1","6","3","3","1") = "5"
    & skf21("1","5","5","1","6","3","4","1") = "5"
    & skf21("1","5","5","1","6","3","5","1") = "5"
    & skf21("1","5","5","1","6","3","6","1") = "5"
    & skf21("1","5","5","1","6","3","7","1") = "6"
    & skf21("1","5","5","1","6","4","1","1") = "5"
    & skf21("1","5","5","1","6","4","2","1") = "5"
    & skf21("1","5","5","1","6","4","3","1") = "5"
    & skf21("1","5","5","1","6","4","4","1") = "5"
    & skf21("1","5","5","1","6","4","5","1") = "5"
    & skf21("1","5","5","1","6","4","6","1") = "5"
    & skf21("1","5","5","1","6","4","7","1") = "6"
    & skf21("1","5","5","1","6","5","1","1") = "5"
    & skf21("1","5","5","1","6","5","2","1") = "5"
    & skf21("1","5","5","1","6","5","3","1") = "5"
    & skf21("1","5","5","1","6","5","4","1") = "5"
    & skf21("1","5","5","1","6","5","5","1") = "5"
    & skf21("1","5","5","1","6","5","6","1") = "5"
    & skf21("1","5","5","1","6","5","7","1") = "6"
    & skf21("1","5","5","1","6","6","1","1") = "5"
    & skf21("1","5","5","1","6","6","2","1") = "5"
    & skf21("1","5","5","1","6","6","3","1") = "5"
    & skf21("1","5","5","1","6","6","4","1") = "5"
    & skf21("1","5","5","1","6","6","5","1") = "5"
    & skf21("1","5","5","1","6","6","6","1") = "5"
    & skf21("1","5","5","1","6","6","7","1") = "6"
    & skf21("1","5","5","1","6","7","1","1") = "6"
    & skf21("1","5","5","1","6","7","2","1") = "6"
    & skf21("1","5","5","1","6","7","3","1") = "6"
    & skf21("1","5","5","1","6","7","4","1") = "6"
    & skf21("1","5","5","1","6","7","5","1") = "6"
    & skf21("1","5","5","1","6","7","6","1") = "6"
    & skf21("1","5","5","1","6","7","7","1") = "6"
    & skf21("1","5","5","1","7","1","1","1") = "6"
    & skf21("1","5","5","1","7","1","2","1") = "6"
    & skf21("1","5","5","1","7","1","3","1") = "6"
    & skf21("1","5","5","1","7","1","4","1") = "6"
    & skf21("1","5","5","1","7","1","5","1") = "6"
    & skf21("1","5","5","1","7","1","6","1") = "6"
    & skf21("1","5","5","1","7","1","7","1") = "6"
    & skf21("1","5","5","1","7","2","1","1") = "6"
    & skf21("1","5","5","1","7","2","2","1") = "6"
    & skf21("1","5","5","1","7","2","3","1") = "6"
    & skf21("1","5","5","1","7","2","4","1") = "6"
    & skf21("1","5","5","1","7","2","5","1") = "6"
    & skf21("1","5","5","1","7","2","6","1") = "6"
    & skf21("1","5","5","1","7","2","7","1") = "6"
    & skf21("1","5","5","1","7","3","1","1") = "6"
    & skf21("1","5","5","1","7","3","2","1") = "6"
    & skf21("1","5","5","1","7","3","3","1") = "6"
    & skf21("1","5","5","1","7","3","4","1") = "6"
    & skf21("1","5","5","1","7","3","5","1") = "6"
    & skf21("1","5","5","1","7","3","6","1") = "6"
    & skf21("1","5","5","1","7","3","7","1") = "6"
    & skf21("1","5","5","1","7","4","1","1") = "6"
    & skf21("1","5","5","1","7","4","2","1") = "6"
    & skf21("1","5","5","1","7","4","3","1") = "6"
    & skf21("1","5","5","1","7","4","4","1") = "6"
    & skf21("1","5","5","1","7","4","5","1") = "6"
    & skf21("1","5","5","1","7","4","6","1") = "6"
    & skf21("1","5","5","1","7","4","7","1") = "6"
    & skf21("1","5","5","1","7","5","1","1") = "6"
    & skf21("1","5","5","1","7","5","2","1") = "6"
    & skf21("1","5","5","1","7","5","3","1") = "6"
    & skf21("1","5","5","1","7","5","4","1") = "6"
    & skf21("1","5","5","1","7","5","5","1") = "6"
    & skf21("1","5","5","1","7","5","6","1") = "6"
    & skf21("1","5","5","1","7","5","7","1") = "6"
    & skf21("1","5","5","1","7","6","1","1") = "6"
    & skf21("1","5","5","1","7","6","2","1") = "6"
    & skf21("1","5","5","1","7","6","3","1") = "6"
    & skf21("1","5","5","1","7","6","4","1") = "6"
    & skf21("1","5","5","1","7","6","5","1") = "6"
    & skf21("1","5","5","1","7","6","6","1") = "6"
    & skf21("1","5","5","1","7","6","7","1") = "6"
    & skf21("1","5","5","1","7","7","1","1") = "6"
    & skf21("1","5","5","1","7","7","2","1") = "6"
    & skf21("1","5","5","1","7","7","3","1") = "6"
    & skf21("1","5","5","1","7","7","4","1") = "6"
    & skf21("1","5","5","1","7","7","5","1") = "6"
    & skf21("1","5","5","1","7","7","6","1") = "6"
    & skf21("1","5","5","1","7","7","7","1") = "6"
    & skf21("1","5","5","2","1","1","1","1") = "4"
    & skf21("1","5","5","2","1","1","2","1") = "4"
    & skf21("1","5","5","2","1","1","3","1") = "4"
    & skf21("1","5","5","2","1","1","4","1") = "4"
    & skf21("1","5","5","2","1","1","5","1") = "4"
    & skf21("1","5","5","2","1","1","6","1") = "5"
    & skf21("1","5","5","2","1","1","7","1") = "6"
    & skf21("1","5","5","2","1","2","1","1") = "4"
    & skf21("1","5","5","2","1","2","2","1") = "4"
    & skf21("1","5","5","2","1","2","3","1") = "4"
    & skf21("1","5","5","2","1","2","4","1") = "4"
    & skf21("1","5","5","2","1","2","5","1") = "4"
    & skf21("1","5","5","2","1","2","6","1") = "5"
    & skf21("1","5","5","2","1","2","7","1") = "6"
    & skf21("1","5","5","2","1","3","1","1") = "4"
    & skf21("1","5","5","2","1","3","2","1") = "4"
    & skf21("1","5","5","2","1","3","3","1") = "4"
    & skf21("1","5","5","2","1","3","4","1") = "4"
    & skf21("1","5","5","2","1","3","5","1") = "4"
    & skf21("1","5","5","2","1","3","6","1") = "5"
    & skf21("1","5","5","2","1","3","7","1") = "6"
    & skf21("1","5","5","2","1","4","1","1") = "4"
    & skf21("1","5","5","2","1","4","2","1") = "4"
    & skf21("1","5","5","2","1","4","3","1") = "4"
    & skf21("1","5","5","2","1","4","4","1") = "4"
    & skf21("1","5","5","2","1","4","5","1") = "4"
    & skf21("1","5","5","2","1","4","6","1") = "5"
    & skf21("1","5","5","2","1","4","7","1") = "6"
    & skf21("1","5","5","2","1","5","1","1") = "4"
    & skf21("1","5","5","2","1","5","2","1") = "4"
    & skf21("1","5","5","2","1","5","3","1") = "4"
    & skf21("1","5","5","2","1","5","4","1") = "4"
    & skf21("1","5","5","2","1","5","5","1") = "4"
    & skf21("1","5","5","2","1","5","6","1") = "5"
    & skf21("1","5","5","2","1","5","7","1") = "6"
    & skf21("1","5","5","2","1","6","1","1") = "5"
    & skf21("1","5","5","2","1","6","2","1") = "5"
    & skf21("1","5","5","2","1","6","3","1") = "5"
    & skf21("1","5","5","2","1","6","4","1") = "5"
    & skf21("1","5","5","2","1","6","5","1") = "5"
    & skf21("1","5","5","2","1","6","6","1") = "5"
    & skf21("1","5","5","2","1","6","7","1") = "6"
    & skf21("1","5","5","2","1","7","1","1") = "6"
    & skf21("1","5","5","2","1","7","2","1") = "6"
    & skf21("1","5","5","2","1","7","3","1") = "6"
    & skf21("1","5","5","2","1","7","4","1") = "6"
    & skf21("1","5","5","2","1","7","5","1") = "6"
    & skf21("1","5","5","2","1","7","6","1") = "6"
    & skf21("1","5","5","2","1","7","7","1") = "6"
    & skf21("1","5","5","2","2","1","1","1") = "4"
    & skf21("1","5","5","2","2","1","2","1") = "4"
    & skf21("1","5","5","2","2","1","3","1") = "4"
    & skf21("1","5","5","2","2","1","4","1") = "4"
    & skf21("1","5","5","2","2","1","5","1") = "4"
    & skf21("1","5","5","2","2","1","6","1") = "5"
    & skf21("1","5","5","2","2","1","7","1") = "6"
    & skf21("1","5","5","2","2","2","1","1") = "4"
    & skf21("1","5","5","2","2","2","2","1") = "4"
    & skf21("1","5","5","2","2","2","3","1") = "4"
    & skf21("1","5","5","2","2","2","4","1") = "4"
    & skf21("1","5","5","2","2","2","5","1") = "4"
    & skf21("1","5","5","2","2","2","6","1") = "5"
    & skf21("1","5","5","2","2","2","7","1") = "6"
    & skf21("1","5","5","2","2","3","1","1") = "4"
    & skf21("1","5","5","2","2","3","2","1") = "4"
    & skf21("1","5","5","2","2","3","3","1") = "4"
    & skf21("1","5","5","2","2","3","4","1") = "4"
    & skf21("1","5","5","2","2","3","5","1") = "4"
    & skf21("1","5","5","2","2","3","6","1") = "5"
    & skf21("1","5","5","2","2","3","7","1") = "6"
    & skf21("1","5","5","2","2","4","1","1") = "4"
    & skf21("1","5","5","2","2","4","2","1") = "4"
    & skf21("1","5","5","2","2","4","3","1") = "4"
    & skf21("1","5","5","2","2","4","4","1") = "4"
    & skf21("1","5","5","2","2","4","5","1") = "4"
    & skf21("1","5","5","2","2","4","6","1") = "5"
    & skf21("1","5","5","2","2","4","7","1") = "6"
    & skf21("1","5","5","2","2","5","1","1") = "4"
    & skf21("1","5","5","2","2","5","2","1") = "4"
    & skf21("1","5","5","2","2","5","3","1") = "4"
    & skf21("1","5","5","2","2","5","4","1") = "4"
    & skf21("1","5","5","2","2","5","5","1") = "4"
    & skf21("1","5","5","2","2","5","6","1") = "5"
    & skf21("1","5","5","2","2","5","7","1") = "6"
    & skf21("1","5","5","2","2","6","1","1") = "5"
    & skf21("1","5","5","2","2","6","2","1") = "5"
    & skf21("1","5","5","2","2","6","3","1") = "5"
    & skf21("1","5","5","2","2","6","4","1") = "5"
    & skf21("1","5","5","2","2","6","5","1") = "5"
    & skf21("1","5","5","2","2","6","6","1") = "5"
    & skf21("1","5","5","2","2","6","7","1") = "6"
    & skf21("1","5","5","2","2","7","1","1") = "6"
    & skf21("1","5","5","2","2","7","2","1") = "6"
    & skf21("1","5","5","2","2","7","3","1") = "6"
    & skf21("1","5","5","2","2","7","4","1") = "6"
    & skf21("1","5","5","2","2","7","5","1") = "6"
    & skf21("1","5","5","2","2","7","6","1") = "6"
    & skf21("1","5","5","2","2","7","7","1") = "6"
    & skf21("1","5","5","2","3","1","1","1") = "4"
    & skf21("1","5","5","2","3","1","2","1") = "4"
    & skf21("1","5","5","2","3","1","3","1") = "4"
    & skf21("1","5","5","2","3","1","4","1") = "4"
    & skf21("1","5","5","2","3","1","5","1") = "4"
    & skf21("1","5","5","2","3","1","6","1") = "5"
    & skf21("1","5","5","2","3","1","7","1") = "6"
    & skf21("1","5","5","2","3","2","1","1") = "4"
    & skf21("1","5","5","2","3","2","2","1") = "4"
    & skf21("1","5","5","2","3","2","3","1") = "4"
    & skf21("1","5","5","2","3","2","4","1") = "4"
    & skf21("1","5","5","2","3","2","5","1") = "4"
    & skf21("1","5","5","2","3","2","6","1") = "5"
    & skf21("1","5","5","2","3","2","7","1") = "6"
    & skf21("1","5","5","2","3","3","1","1") = "4"
    & skf21("1","5","5","2","3","3","2","1") = "4"
    & skf21("1","5","5","2","3","3","3","1") = "4"
    & skf21("1","5","5","2","3","3","4","1") = "4"
    & skf21("1","5","5","2","3","3","5","1") = "4"
    & skf21("1","5","5","2","3","3","6","1") = "5"
    & skf21("1","5","5","2","3","3","7","1") = "6"
    & skf21("1","5","5","2","3","4","1","1") = "4"
    & skf21("1","5","5","2","3","4","2","1") = "4"
    & skf21("1","5","5","2","3","4","3","1") = "4"
    & skf21("1","5","5","2","3","4","4","1") = "4"
    & skf21("1","5","5","2","3","4","5","1") = "4"
    & skf21("1","5","5","2","3","4","6","1") = "5"
    & skf21("1","5","5","2","3","4","7","1") = "6"
    & skf21("1","5","5","2","3","5","1","1") = "4"
    & skf21("1","5","5","2","3","5","2","1") = "4"
    & skf21("1","5","5","2","3","5","3","1") = "4"
    & skf21("1","5","5","2","3","5","4","1") = "4"
    & skf21("1","5","5","2","3","5","5","1") = "4"
    & skf21("1","5","5","2","3","5","6","1") = "5"
    & skf21("1","5","5","2","3","5","7","1") = "6"
    & skf21("1","5","5","2","3","6","1","1") = "5"
    & skf21("1","5","5","2","3","6","2","1") = "5"
    & skf21("1","5","5","2","3","6","3","1") = "5"
    & skf21("1","5","5","2","3","6","4","1") = "5"
    & skf21("1","5","5","2","3","6","5","1") = "5"
    & skf21("1","5","5","2","3","6","6","1") = "5"
    & skf21("1","5","5","2","3","6","7","1") = "6"
    & skf21("1","5","5","2","3","7","1","1") = "6"
    & skf21("1","5","5","2","3","7","2","1") = "6"
    & skf21("1","5","5","2","3","7","3","1") = "6"
    & skf21("1","5","5","2","3","7","4","1") = "6"
    & skf21("1","5","5","2","3","7","5","1") = "6"
    & skf21("1","5","5","2","3","7","6","1") = "6"
    & skf21("1","5","5","2","3","7","7","1") = "6"
    & skf21("1","5","5","2","4","1","1","1") = "4"
    & skf21("1","5","5","2","4","1","2","1") = "4"
    & skf21("1","5","5","2","4","1","3","1") = "4"
    & skf21("1","5","5","2","4","1","4","1") = "4"
    & skf21("1","5","5","2","4","1","5","1") = "4"
    & skf21("1","5","5","2","4","1","6","1") = "5"
    & skf21("1","5","5","2","4","1","7","1") = "6"
    & skf21("1","5","5","2","4","2","1","1") = "4"
    & skf21("1","5","5","2","4","2","2","1") = "4"
    & skf21("1","5","5","2","4","2","3","1") = "4"
    & skf21("1","5","5","2","4","2","4","1") = "4"
    & skf21("1","5","5","2","4","2","5","1") = "4"
    & skf21("1","5","5","2","4","2","6","1") = "5"
    & skf21("1","5","5","2","4","2","7","1") = "6"
    & skf21("1","5","5","2","4","3","1","1") = "4"
    & skf21("1","5","5","2","4","3","2","1") = "4"
    & skf21("1","5","5","2","4","3","3","1") = "4"
    & skf21("1","5","5","2","4","3","4","1") = "4"
    & skf21("1","5","5","2","4","3","5","1") = "4"
    & skf21("1","5","5","2","4","3","6","1") = "5"
    & skf21("1","5","5","2","4","3","7","1") = "6"
    & skf21("1","5","5","2","4","4","1","1") = "4"
    & skf21("1","5","5","2","4","4","2","1") = "4"
    & skf21("1","5","5","2","4","4","3","1") = "4"
    & skf21("1","5","5","2","4","4","4","1") = "4"
    & skf21("1","5","5","2","4","4","5","1") = "4"
    & skf21("1","5","5","2","4","4","6","1") = "5"
    & skf21("1","5","5","2","4","4","7","1") = "6"
    & skf21("1","5","5","2","4","5","1","1") = "4"
    & skf21("1","5","5","2","4","5","2","1") = "4"
    & skf21("1","5","5","2","4","5","3","1") = "4"
    & skf21("1","5","5","2","4","5","4","1") = "4"
    & skf21("1","5","5","2","4","5","5","1") = "4"
    & skf21("1","5","5","2","4","5","6","1") = "5"
    & skf21("1","5","5","2","4","5","7","1") = "6"
    & skf21("1","5","5","2","4","6","1","1") = "5"
    & skf21("1","5","5","2","4","6","2","1") = "5"
    & skf21("1","5","5","2","4","6","3","1") = "5"
    & skf21("1","5","5","2","4","6","4","1") = "5"
    & skf21("1","5","5","2","4","6","5","1") = "5"
    & skf21("1","5","5","2","4","6","6","1") = "5"
    & skf21("1","5","5","2","4","6","7","1") = "6"
    & skf21("1","5","5","2","4","7","1","1") = "6"
    & skf21("1","5","5","2","4","7","2","1") = "6"
    & skf21("1","5","5","2","4","7","3","1") = "6"
    & skf21("1","5","5","2","4","7","4","1") = "6"
    & skf21("1","5","5","2","4","7","5","1") = "6"
    & skf21("1","5","5","2","4","7","6","1") = "6"
    & skf21("1","5","5","2","4","7","7","1") = "6"
    & skf21("1","5","5","2","5","1","1","1") = "4"
    & skf21("1","5","5","2","5","1","2","1") = "4"
    & skf21("1","5","5","2","5","1","3","1") = "4"
    & skf21("1","5","5","2","5","1","4","1") = "4"
    & skf21("1","5","5","2","5","1","5","1") = "4"
    & skf21("1","5","5","2","5","1","6","1") = "5"
    & skf21("1","5","5","2","5","1","7","1") = "6"
    & skf21("1","5","5","2","5","2","1","1") = "4"
    & skf21("1","5","5","2","5","2","2","1") = "4"
    & skf21("1","5","5","2","5","2","3","1") = "4"
    & skf21("1","5","5","2","5","2","4","1") = "4"
    & skf21("1","5","5","2","5","2","5","1") = "4"
    & skf21("1","5","5","2","5","2","6","1") = "5"
    & skf21("1","5","5","2","5","2","7","1") = "6"
    & skf21("1","5","5","2","5","3","1","1") = "4"
    & skf21("1","5","5","2","5","3","2","1") = "4"
    & skf21("1","5","5","2","5","3","3","1") = "4"
    & skf21("1","5","5","2","5","3","4","1") = "4"
    & skf21("1","5","5","2","5","3","5","1") = "4"
    & skf21("1","5","5","2","5","3","6","1") = "5"
    & skf21("1","5","5","2","5","3","7","1") = "6"
    & skf21("1","5","5","2","5","4","1","1") = "4"
    & skf21("1","5","5","2","5","4","2","1") = "4"
    & skf21("1","5","5","2","5","4","3","1") = "4"
    & skf21("1","5","5","2","5","4","4","1") = "4"
    & skf21("1","5","5","2","5","4","5","1") = "4"
    & skf21("1","5","5","2","5","4","6","1") = "5"
    & skf21("1","5","5","2","5","4","7","1") = "6"
    & skf21("1","5","5","2","5","5","1","1") = "4"
    & skf21("1","5","5","2","5","5","2","1") = "4"
    & skf21("1","5","5","2","5","5","3","1") = "4"
    & skf21("1","5","5","2","5","5","4","1") = "4"
    & skf21("1","5","5","2","5","5","5","1") = "4"
    & skf21("1","5","5","2","5","5","6","1") = "5"
    & skf21("1","5","5","2","5","5","7","1") = "6"
    & skf21("1","5","5","2","5","6","1","1") = "5"
    & skf21("1","5","5","2","5","6","2","1") = "5"
    & skf21("1","5","5","2","5","6","3","1") = "5"
    & skf21("1","5","5","2","5","6","4","1") = "5"
    & skf21("1","5","5","2","5","6","5","1") = "5"
    & skf21("1","5","5","2","5","6","6","1") = "5"
    & skf21("1","5","5","2","5","6","7","1") = "6"
    & skf21("1","5","5","2","5","7","1","1") = "6"
    & skf21("1","5","5","2","5","7","2","1") = "6"
    & skf21("1","5","5","2","5","7","3","1") = "6"
    & skf21("1","5","5","2","5","7","4","1") = "6"
    & skf21("1","5","5","2","5","7","5","1") = "6"
    & skf21("1","5","5","2","5","7","6","1") = "6"
    & skf21("1","5","5","2","5","7","7","1") = "6"
    & skf21("1","5","5","2","6","1","1","1") = "5"
    & skf21("1","5","5","2","6","1","2","1") = "5"
    & skf21("1","5","5","2","6","1","3","1") = "5"
    & skf21("1","5","5","2","6","1","4","1") = "5"
    & skf21("1","5","5","2","6","1","5","1") = "5"
    & skf21("1","5","5","2","6","1","6","1") = "5"
    & skf21("1","5","5","2","6","1","7","1") = "6"
    & skf21("1","5","5","2","6","2","1","1") = "5"
    & skf21("1","5","5","2","6","2","2","1") = "5"
    & skf21("1","5","5","2","6","2","3","1") = "5"
    & skf21("1","5","5","2","6","2","4","1") = "5"
    & skf21("1","5","5","2","6","2","5","1") = "5"
    & skf21("1","5","5","2","6","2","6","1") = "5"
    & skf21("1","5","5","2","6","2","7","1") = "6"
    & skf21("1","5","5","2","6","3","1","1") = "5"
    & skf21("1","5","5","2","6","3","2","1") = "5"
    & skf21("1","5","5","2","6","3","3","1") = "5"
    & skf21("1","5","5","2","6","3","4","1") = "5"
    & skf21("1","5","5","2","6","3","5","1") = "5"
    & skf21("1","5","5","2","6","3","6","1") = "5"
    & skf21("1","5","5","2","6","3","7","1") = "6"
    & skf21("1","5","5","2","6","4","1","1") = "5"
    & skf21("1","5","5","2","6","4","2","1") = "5"
    & skf21("1","5","5","2","6","4","3","1") = "5"
    & skf21("1","5","5","2","6","4","4","1") = "5"
    & skf21("1","5","5","2","6","4","5","1") = "5"
    & skf21("1","5","5","2","6","4","6","1") = "5"
    & skf21("1","5","5","2","6","4","7","1") = "6"
    & skf21("1","5","5","2","6","5","1","1") = "5"
    & skf21("1","5","5","2","6","5","2","1") = "5"
    & skf21("1","5","5","2","6","5","3","1") = "5"
    & skf21("1","5","5","2","6","5","4","1") = "5"
    & skf21("1","5","5","2","6","5","5","1") = "5"
    & skf21("1","5","5","2","6","5","6","1") = "5"
    & skf21("1","5","5","2","6","5","7","1") = "6"
    & skf21("1","5","5","2","6","6","1","1") = "5"
    & skf21("1","5","5","2","6","6","2","1") = "5"
    & skf21("1","5","5","2","6","6","3","1") = "5"
    & skf21("1","5","5","2","6","6","4","1") = "5"
    & skf21("1","5","5","2","6","6","5","1") = "5"
    & skf21("1","5","5","2","6","6","6","1") = "5"
    & skf21("1","5","5","2","6","6","7","1") = "6"
    & skf21("1","5","5","2","6","7","1","1") = "6"
    & skf21("1","5","5","2","6","7","2","1") = "6"
    & skf21("1","5","5","2","6","7","3","1") = "6"
    & skf21("1","5","5","2","6","7","4","1") = "6"
    & skf21("1","5","5","2","6","7","5","1") = "6"
    & skf21("1","5","5","2","6","7","6","1") = "6"
    & skf21("1","5","5","2","6","7","7","1") = "6"
    & skf21("1","5","5","2","7","1","1","1") = "6"
    & skf21("1","5","5","2","7","1","2","1") = "6"
    & skf21("1","5","5","2","7","1","3","1") = "6"
    & skf21("1","5","5","2","7","1","4","1") = "6"
    & skf21("1","5","5","2","7","1","5","1") = "6"
    & skf21("1","5","5","2","7","1","6","1") = "6"
    & skf21("1","5","5","2","7","1","7","1") = "6"
    & skf21("1","5","5","2","7","2","1","1") = "6"
    & skf21("1","5","5","2","7","2","2","1") = "6"
    & skf21("1","5","5","2","7","2","3","1") = "6"
    & skf21("1","5","5","2","7","2","4","1") = "6"
    & skf21("1","5","5","2","7","2","5","1") = "6"
    & skf21("1","5","5","2","7","2","6","1") = "6"
    & skf21("1","5","5","2","7","2","7","1") = "6"
    & skf21("1","5","5","2","7","3","1","1") = "6"
    & skf21("1","5","5","2","7","3","2","1") = "6"
    & skf21("1","5","5","2","7","3","3","1") = "6"
    & skf21("1","5","5","2","7","3","4","1") = "6"
    & skf21("1","5","5","2","7","3","5","1") = "6"
    & skf21("1","5","5","2","7","3","6","1") = "6"
    & skf21("1","5","5","2","7","3","7","1") = "6"
    & skf21("1","5","5","2","7","4","1","1") = "6"
    & skf21("1","5","5","2","7","4","2","1") = "6"
    & skf21("1","5","5","2","7","4","3","1") = "6"
    & skf21("1","5","5","2","7","4","4","1") = "6"
    & skf21("1","5","5","2","7","4","5","1") = "6"
    & skf21("1","5","5","2","7","4","6","1") = "6"
    & skf21("1","5","5","2","7","4","7","1") = "6"
    & skf21("1","5","5","2","7","5","1","1") = "6"
    & skf21("1","5","5","2","7","5","2","1") = "6"
    & skf21("1","5","5","2","7","5","3","1") = "6"
    & skf21("1","5","5","2","7","5","4","1") = "6"
    & skf21("1","5","5","2","7","5","5","1") = "6"
    & skf21("1","5","5","2","7","5","6","1") = "6"
    & skf21("1","5","5","2","7","5","7","1") = "6"
    & skf21("1","5","5","2","7","6","1","1") = "6"
    & skf21("1","5","5","2","7","6","2","1") = "6"
    & skf21("1","5","5","2","7","6","3","1") = "6"
    & skf21("1","5","5","2","7","6","4","1") = "6"
    & skf21("1","5","5","2","7","6","5","1") = "6"
    & skf21("1","5","5","2","7","6","6","1") = "6"
    & skf21("1","5","5","2","7","6","7","1") = "6"
    & skf21("1","5","5","2","7","7","1","1") = "6"
    & skf21("1","5","5","2","7","7","2","1") = "6"
    & skf21("1","5","5","2","7","7","3","1") = "6"
    & skf21("1","5","5","2","7","7","4","1") = "6"
    & skf21("1","5","5","2","7","7","5","1") = "6"
    & skf21("1","5","5","2","7","7","6","1") = "6"
    & skf21("1","5","5","2","7","7","7","1") = "6"
    & skf21("1","5","5","3","1","1","1","1") = "4"
    & skf21("1","5","5","3","1","1","2","1") = "4"
    & skf21("1","5","5","3","1","1","3","1") = "4"
    & skf21("1","5","5","3","1","1","4","1") = "4"
    & skf21("1","5","5","3","1","1","5","1") = "4"
    & skf21("1","5","5","3","1","1","6","1") = "5"
    & skf21("1","5","5","3","1","1","7","1") = "6"
    & skf21("1","5","5","3","1","2","1","1") = "4"
    & skf21("1","5","5","3","1","2","2","1") = "4"
    & skf21("1","5","5","3","1","2","3","1") = "4"
    & skf21("1","5","5","3","1","2","4","1") = "4"
    & skf21("1","5","5","3","1","2","5","1") = "4"
    & skf21("1","5","5","3","1","2","6","1") = "5"
    & skf21("1","5","5","3","1","2","7","1") = "6"
    & skf21("1","5","5","3","1","3","1","1") = "4"
    & skf21("1","5","5","3","1","3","2","1") = "4"
    & skf21("1","5","5","3","1","3","3","1") = "4"
    & skf21("1","5","5","3","1","3","4","1") = "4"
    & skf21("1","5","5","3","1","3","5","1") = "4"
    & skf21("1","5","5","3","1","3","6","1") = "5"
    & skf21("1","5","5","3","1","3","7","1") = "6"
    & skf21("1","5","5","3","1","4","1","1") = "4"
    & skf21("1","5","5","3","1","4","2","1") = "4"
    & skf21("1","5","5","3","1","4","3","1") = "4"
    & skf21("1","5","5","3","1","4","4","1") = "4"
    & skf21("1","5","5","3","1","4","5","1") = "4"
    & skf21("1","5","5","3","1","4","6","1") = "5"
    & skf21("1","5","5","3","1","4","7","1") = "6"
    & skf21("1","5","5","3","1","5","1","1") = "4"
    & skf21("1","5","5","3","1","5","2","1") = "4"
    & skf21("1","5","5","3","1","5","3","1") = "4"
    & skf21("1","5","5","3","1","5","4","1") = "4"
    & skf21("1","5","5","3","1","5","5","1") = "4"
    & skf21("1","5","5","3","1","5","6","1") = "5"
    & skf21("1","5","5","3","1","5","7","1") = "6"
    & skf21("1","5","5","3","1","6","1","1") = "5"
    & skf21("1","5","5","3","1","6","2","1") = "5"
    & skf21("1","5","5","3","1","6","3","1") = "5"
    & skf21("1","5","5","3","1","6","4","1") = "5"
    & skf21("1","5","5","3","1","6","5","1") = "5"
    & skf21("1","5","5","3","1","6","6","1") = "5"
    & skf21("1","5","5","3","1","6","7","1") = "6"
    & skf21("1","5","5","3","1","7","1","1") = "6"
    & skf21("1","5","5","3","1","7","2","1") = "6"
    & skf21("1","5","5","3","1","7","3","1") = "6"
    & skf21("1","5","5","3","1","7","4","1") = "6"
    & skf21("1","5","5","3","1","7","5","1") = "6"
    & skf21("1","5","5","3","1","7","6","1") = "6"
    & skf21("1","5","5","3","1","7","7","1") = "6"
    & skf21("1","5","5","3","2","1","1","1") = "4"
    & skf21("1","5","5","3","2","1","2","1") = "4"
    & skf21("1","5","5","3","2","1","3","1") = "4"
    & skf21("1","5","5","3","2","1","4","1") = "4"
    & skf21("1","5","5","3","2","1","5","1") = "4"
    & skf21("1","5","5","3","2","1","6","1") = "5"
    & skf21("1","5","5","3","2","1","7","1") = "6"
    & skf21("1","5","5","3","2","2","1","1") = "4"
    & skf21("1","5","5","3","2","2","2","1") = "4"
    & skf21("1","5","5","3","2","2","3","1") = "4"
    & skf21("1","5","5","3","2","2","4","1") = "4"
    & skf21("1","5","5","3","2","2","5","1") = "4"
    & skf21("1","5","5","3","2","2","6","1") = "5"
    & skf21("1","5","5","3","2","2","7","1") = "6"
    & skf21("1","5","5","3","2","3","1","1") = "4"
    & skf21("1","5","5","3","2","3","2","1") = "4"
    & skf21("1","5","5","3","2","3","3","1") = "4"
    & skf21("1","5","5","3","2","3","4","1") = "4"
    & skf21("1","5","5","3","2","3","5","1") = "4"
    & skf21("1","5","5","3","2","3","6","1") = "5"
    & skf21("1","5","5","3","2","3","7","1") = "6"
    & skf21("1","5","5","3","2","4","1","1") = "4"
    & skf21("1","5","5","3","2","4","2","1") = "4"
    & skf21("1","5","5","3","2","4","3","1") = "4"
    & skf21("1","5","5","3","2","4","4","1") = "4"
    & skf21("1","5","5","3","2","4","5","1") = "4"
    & skf21("1","5","5","3","2","4","6","1") = "5"
    & skf21("1","5","5","3","2","4","7","1") = "6"
    & skf21("1","5","5","3","2","5","1","1") = "4"
    & skf21("1","5","5","3","2","5","2","1") = "4"
    & skf21("1","5","5","3","2","5","3","1") = "4"
    & skf21("1","5","5","3","2","5","4","1") = "4"
    & skf21("1","5","5","3","2","5","5","1") = "4"
    & skf21("1","5","5","3","2","5","6","1") = "5"
    & skf21("1","5","5","3","2","5","7","1") = "6"
    & skf21("1","5","5","3","2","6","1","1") = "5"
    & skf21("1","5","5","3","2","6","2","1") = "5"
    & skf21("1","5","5","3","2","6","3","1") = "5"
    & skf21("1","5","5","3","2","6","4","1") = "5"
    & skf21("1","5","5","3","2","6","5","1") = "5"
    & skf21("1","5","5","3","2","6","6","1") = "5"
    & skf21("1","5","5","3","2","6","7","1") = "6"
    & skf21("1","5","5","3","2","7","1","1") = "6"
    & skf21("1","5","5","3","2","7","2","1") = "6"
    & skf21("1","5","5","3","2","7","3","1") = "6"
    & skf21("1","5","5","3","2","7","4","1") = "6"
    & skf21("1","5","5","3","2","7","5","1") = "6"
    & skf21("1","5","5","3","2","7","6","1") = "6"
    & skf21("1","5","5","3","2","7","7","1") = "6"
    & skf21("1","5","5","3","3","1","1","1") = "4"
    & skf21("1","5","5","3","3","1","2","1") = "4"
    & skf21("1","5","5","3","3","1","3","1") = "4"
    & skf21("1","5","5","3","3","1","4","1") = "4"
    & skf21("1","5","5","3","3","1","5","1") = "4"
    & skf21("1","5","5","3","3","1","6","1") = "5"
    & skf21("1","5","5","3","3","1","7","1") = "6"
    & skf21("1","5","5","3","3","2","1","1") = "4"
    & skf21("1","5","5","3","3","2","2","1") = "4"
    & skf21("1","5","5","3","3","2","3","1") = "4"
    & skf21("1","5","5","3","3","2","4","1") = "4"
    & skf21("1","5","5","3","3","2","5","1") = "4"
    & skf21("1","5","5","3","3","2","6","1") = "5"
    & skf21("1","5","5","3","3","2","7","1") = "6"
    & skf21("1","5","5","3","3","3","1","1") = "4"
    & skf21("1","5","5","3","3","3","2","1") = "4"
    & skf21("1","5","5","3","3","3","3","1") = "4"
    & skf21("1","5","5","3","3","3","4","1") = "4"
    & skf21("1","5","5","3","3","3","5","1") = "4"
    & skf21("1","5","5","3","3","3","6","1") = "5"
    & skf21("1","5","5","3","3","3","7","1") = "6"
    & skf21("1","5","5","3","3","4","1","1") = "4"
    & skf21("1","5","5","3","3","4","2","1") = "4"
    & skf21("1","5","5","3","3","4","3","1") = "4"
    & skf21("1","5","5","3","3","4","4","1") = "4"
    & skf21("1","5","5","3","3","4","5","1") = "4"
    & skf21("1","5","5","3","3","4","6","1") = "5"
    & skf21("1","5","5","3","3","4","7","1") = "6"
    & skf21("1","5","5","3","3","5","1","1") = "4"
    & skf21("1","5","5","3","3","5","2","1") = "4"
    & skf21("1","5","5","3","3","5","3","1") = "4"
    & skf21("1","5","5","3","3","5","4","1") = "4"
    & skf21("1","5","5","3","3","5","5","1") = "4"
    & skf21("1","5","5","3","3","5","6","1") = "5"
    & skf21("1","5","5","3","3","5","7","1") = "6"
    & skf21("1","5","5","3","3","6","1","1") = "5"
    & skf21("1","5","5","3","3","6","2","1") = "5"
    & skf21("1","5","5","3","3","6","3","1") = "5"
    & skf21("1","5","5","3","3","6","4","1") = "5"
    & skf21("1","5","5","3","3","6","5","1") = "5"
    & skf21("1","5","5","3","3","6","6","1") = "5"
    & skf21("1","5","5","3","3","6","7","1") = "6"
    & skf21("1","5","5","3","3","7","1","1") = "6"
    & skf21("1","5","5","3","3","7","2","1") = "6"
    & skf21("1","5","5","3","3","7","3","1") = "6"
    & skf21("1","5","5","3","3","7","4","1") = "6"
    & skf21("1","5","5","3","3","7","5","1") = "6"
    & skf21("1","5","5","3","3","7","6","1") = "6"
    & skf21("1","5","5","3","3","7","7","1") = "6"
    & skf21("1","5","5","3","4","1","1","1") = "4"
    & skf21("1","5","5","3","4","1","2","1") = "4"
    & skf21("1","5","5","3","4","1","3","1") = "4"
    & skf21("1","5","5","3","4","1","4","1") = "4"
    & skf21("1","5","5","3","4","1","5","1") = "4"
    & skf21("1","5","5","3","4","1","6","1") = "5"
    & skf21("1","5","5","3","4","1","7","1") = "6"
    & skf21("1","5","5","3","4","2","1","1") = "4"
    & skf21("1","5","5","3","4","2","2","1") = "4"
    & skf21("1","5","5","3","4","2","3","1") = "4"
    & skf21("1","5","5","3","4","2","4","1") = "4"
    & skf21("1","5","5","3","4","2","5","1") = "4"
    & skf21("1","5","5","3","4","2","6","1") = "5"
    & skf21("1","5","5","3","4","2","7","1") = "6"
    & skf21("1","5","5","3","4","3","1","1") = "4"
    & skf21("1","5","5","3","4","3","2","1") = "4"
    & skf21("1","5","5","3","4","3","3","1") = "4"
    & skf21("1","5","5","3","4","3","4","1") = "4"
    & skf21("1","5","5","3","4","3","5","1") = "4"
    & skf21("1","5","5","3","4","3","6","1") = "5"
    & skf21("1","5","5","3","4","3","7","1") = "6"
    & skf21("1","5","5","3","4","4","1","1") = "4"
    & skf21("1","5","5","3","4","4","2","1") = "4"
    & skf21("1","5","5","3","4","4","3","1") = "4"
    & skf21("1","5","5","3","4","4","4","1") = "4"
    & skf21("1","5","5","3","4","4","5","1") = "4"
    & skf21("1","5","5","3","4","4","6","1") = "5"
    & skf21("1","5","5","3","4","4","7","1") = "6"
    & skf21("1","5","5","3","4","5","1","1") = "4"
    & skf21("1","5","5","3","4","5","2","1") = "4"
    & skf21("1","5","5","3","4","5","3","1") = "4"
    & skf21("1","5","5","3","4","5","4","1") = "4"
    & skf21("1","5","5","3","4","5","5","1") = "4"
    & skf21("1","5","5","3","4","5","6","1") = "5"
    & skf21("1","5","5","3","4","5","7","1") = "6"
    & skf21("1","5","5","3","4","6","1","1") = "5"
    & skf21("1","5","5","3","4","6","2","1") = "5"
    & skf21("1","5","5","3","4","6","3","1") = "5"
    & skf21("1","5","5","3","4","6","4","1") = "5"
    & skf21("1","5","5","3","4","6","5","1") = "5"
    & skf21("1","5","5","3","4","6","6","1") = "5"
    & skf21("1","5","5","3","4","6","7","1") = "6"
    & skf21("1","5","5","3","4","7","1","1") = "6"
    & skf21("1","5","5","3","4","7","2","1") = "6"
    & skf21("1","5","5","3","4","7","3","1") = "6"
    & skf21("1","5","5","3","4","7","4","1") = "6"
    & skf21("1","5","5","3","4","7","5","1") = "6"
    & skf21("1","5","5","3","4","7","6","1") = "6"
    & skf21("1","5","5","3","4","7","7","1") = "6"
    & skf21("1","5","5","3","5","1","1","1") = "4"
    & skf21("1","5","5","3","5","1","2","1") = "4"
    & skf21("1","5","5","3","5","1","3","1") = "4"
    & skf21("1","5","5","3","5","1","4","1") = "4"
    & skf21("1","5","5","3","5","1","5","1") = "4"
    & skf21("1","5","5","3","5","1","6","1") = "5"
    & skf21("1","5","5","3","5","1","7","1") = "6"
    & skf21("1","5","5","3","5","2","1","1") = "4"
    & skf21("1","5","5","3","5","2","2","1") = "4"
    & skf21("1","5","5","3","5","2","3","1") = "4"
    & skf21("1","5","5","3","5","2","4","1") = "4"
    & skf21("1","5","5","3","5","2","5","1") = "4"
    & skf21("1","5","5","3","5","2","6","1") = "5"
    & skf21("1","5","5","3","5","2","7","1") = "6"
    & skf21("1","5","5","3","5","3","1","1") = "4"
    & skf21("1","5","5","3","5","3","2","1") = "4"
    & skf21("1","5","5","3","5","3","3","1") = "4"
    & skf21("1","5","5","3","5","3","4","1") = "4"
    & skf21("1","5","5","3","5","3","5","1") = "4"
    & skf21("1","5","5","3","5","3","6","1") = "5"
    & skf21("1","5","5","3","5","3","7","1") = "6"
    & skf21("1","5","5","3","5","4","1","1") = "4"
    & skf21("1","5","5","3","5","4","2","1") = "4"
    & skf21("1","5","5","3","5","4","3","1") = "4"
    & skf21("1","5","5","3","5","4","4","1") = "4"
    & skf21("1","5","5","3","5","4","5","1") = "4"
    & skf21("1","5","5","3","5","4","6","1") = "5"
    & skf21("1","5","5","3","5","4","7","1") = "6"
    & skf21("1","5","5","3","5","5","1","1") = "4"
    & skf21("1","5","5","3","5","5","2","1") = "4"
    & skf21("1","5","5","3","5","5","3","1") = "4"
    & skf21("1","5","5","3","5","5","4","1") = "4"
    & skf21("1","5","5","3","5","5","5","1") = "4"
    & skf21("1","5","5","3","5","5","6","1") = "5"
    & skf21("1","5","5","3","5","5","7","1") = "6"
    & skf21("1","5","5","3","5","6","1","1") = "5"
    & skf21("1","5","5","3","5","6","2","1") = "5"
    & skf21("1","5","5","3","5","6","3","1") = "5"
    & skf21("1","5","5","3","5","6","4","1") = "5"
    & skf21("1","5","5","3","5","6","5","1") = "5"
    & skf21("1","5","5","3","5","6","6","1") = "5"
    & skf21("1","5","5","3","5","6","7","1") = "6"
    & skf21("1","5","5","3","5","7","1","1") = "6"
    & skf21("1","5","5","3","5","7","2","1") = "6"
    & skf21("1","5","5","3","5","7","3","1") = "6"
    & skf21("1","5","5","3","5","7","4","1") = "6"
    & skf21("1","5","5","3","5","7","5","1") = "6"
    & skf21("1","5","5","3","5","7","6","1") = "6"
    & skf21("1","5","5","3","5","7","7","1") = "6"
    & skf21("1","5","5","3","6","1","1","1") = "5"
    & skf21("1","5","5","3","6","1","2","1") = "5"
    & skf21("1","5","5","3","6","1","3","1") = "5"
    & skf21("1","5","5","3","6","1","4","1") = "5"
    & skf21("1","5","5","3","6","1","5","1") = "5"
    & skf21("1","5","5","3","6","1","6","1") = "5"
    & skf21("1","5","5","3","6","1","7","1") = "6"
    & skf21("1","5","5","3","6","2","1","1") = "5"
    & skf21("1","5","5","3","6","2","2","1") = "5"
    & skf21("1","5","5","3","6","2","3","1") = "5"
    & skf21("1","5","5","3","6","2","4","1") = "5"
    & skf21("1","5","5","3","6","2","5","1") = "5"
    & skf21("1","5","5","3","6","2","6","1") = "5"
    & skf21("1","5","5","3","6","2","7","1") = "6"
    & skf21("1","5","5","3","6","3","1","1") = "5"
    & skf21("1","5","5","3","6","3","2","1") = "5"
    & skf21("1","5","5","3","6","3","3","1") = "5"
    & skf21("1","5","5","3","6","3","4","1") = "5"
    & skf21("1","5","5","3","6","3","5","1") = "5"
    & skf21("1","5","5","3","6","3","6","1") = "5"
    & skf21("1","5","5","3","6","3","7","1") = "6"
    & skf21("1","5","5","3","6","4","1","1") = "5"
    & skf21("1","5","5","3","6","4","2","1") = "5"
    & skf21("1","5","5","3","6","4","3","1") = "5"
    & skf21("1","5","5","3","6","4","4","1") = "5"
    & skf21("1","5","5","3","6","4","5","1") = "5"
    & skf21("1","5","5","3","6","4","6","1") = "5"
    & skf21("1","5","5","3","6","4","7","1") = "6"
    & skf21("1","5","5","3","6","5","1","1") = "5"
    & skf21("1","5","5","3","6","5","2","1") = "5"
    & skf21("1","5","5","3","6","5","3","1") = "5"
    & skf21("1","5","5","3","6","5","4","1") = "5"
    & skf21("1","5","5","3","6","5","5","1") = "5"
    & skf21("1","5","5","3","6","5","6","1") = "5"
    & skf21("1","5","5","3","6","5","7","1") = "6"
    & skf21("1","5","5","3","6","6","1","1") = "5"
    & skf21("1","5","5","3","6","6","2","1") = "5"
    & skf21("1","5","5","3","6","6","3","1") = "5"
    & skf21("1","5","5","3","6","6","4","1") = "5"
    & skf21("1","5","5","3","6","6","5","1") = "5"
    & skf21("1","5","5","3","6","6","6","1") = "5"
    & skf21("1","5","5","3","6","6","7","1") = "6"
    & skf21("1","5","5","3","6","7","1","1") = "6"
    & skf21("1","5","5","3","6","7","2","1") = "6"
    & skf21("1","5","5","3","6","7","3","1") = "6"
    & skf21("1","5","5","3","6","7","4","1") = "6"
    & skf21("1","5","5","3","6","7","5","1") = "6"
    & skf21("1","5","5","3","6","7","6","1") = "6"
    & skf21("1","5","5","3","6","7","7","1") = "6"
    & skf21("1","5","5","3","7","1","1","1") = "6"
    & skf21("1","5","5","3","7","1","2","1") = "6"
    & skf21("1","5","5","3","7","1","3","1") = "6"
    & skf21("1","5","5","3","7","1","4","1") = "6"
    & skf21("1","5","5","3","7","1","5","1") = "6"
    & skf21("1","5","5","3","7","1","6","1") = "6"
    & skf21("1","5","5","3","7","1","7","1") = "6"
    & skf21("1","5","5","3","7","2","1","1") = "6"
    & skf21("1","5","5","3","7","2","2","1") = "6"
    & skf21("1","5","5","3","7","2","3","1") = "6"
    & skf21("1","5","5","3","7","2","4","1") = "6"
    & skf21("1","5","5","3","7","2","5","1") = "6"
    & skf21("1","5","5","3","7","2","6","1") = "6"
    & skf21("1","5","5","3","7","2","7","1") = "6"
    & skf21("1","5","5","3","7","3","1","1") = "6"
    & skf21("1","5","5","3","7","3","2","1") = "6"
    & skf21("1","5","5","3","7","3","3","1") = "6"
    & skf21("1","5","5","3","7","3","4","1") = "6"
    & skf21("1","5","5","3","7","3","5","1") = "6"
    & skf21("1","5","5","3","7","3","6","1") = "6"
    & skf21("1","5","5","3","7","3","7","1") = "6"
    & skf21("1","5","5","3","7","4","1","1") = "6"
    & skf21("1","5","5","3","7","4","2","1") = "6"
    & skf21("1","5","5","3","7","4","3","1") = "6"
    & skf21("1","5","5","3","7","4","4","1") = "6"
    & skf21("1","5","5","3","7","4","5","1") = "6"
    & skf21("1","5","5","3","7","4","6","1") = "6"
    & skf21("1","5","5","3","7","4","7","1") = "6"
    & skf21("1","5","5","3","7","5","1","1") = "6"
    & skf21("1","5","5","3","7","5","2","1") = "6"
    & skf21("1","5","5","3","7","5","3","1") = "6"
    & skf21("1","5","5","3","7","5","4","1") = "6"
    & skf21("1","5","5","3","7","5","5","1") = "6"
    & skf21("1","5","5","3","7","5","6","1") = "6"
    & skf21("1","5","5","3","7","5","7","1") = "6"
    & skf21("1","5","5","3","7","6","1","1") = "6"
    & skf21("1","5","5","3","7","6","2","1") = "6"
    & skf21("1","5","5","3","7","6","3","1") = "6"
    & skf21("1","5","5","3","7","6","4","1") = "6"
    & skf21("1","5","5","3","7","6","5","1") = "6"
    & skf21("1","5","5","3","7","6","6","1") = "6"
    & skf21("1","5","5","3","7","6","7","1") = "6"
    & skf21("1","5","5","3","7","7","1","1") = "6"
    & skf21("1","5","5","3","7","7","2","1") = "6"
    & skf21("1","5","5","3","7","7","3","1") = "6"
    & skf21("1","5","5","3","7","7","4","1") = "6"
    & skf21("1","5","5","3","7","7","5","1") = "6"
    & skf21("1","5","5","3","7","7","6","1") = "6"
    & skf21("1","5","5","3","7","7","7","1") = "6"
    & skf21("1","5","5","4","1","1","1","1") = "4"
    & skf21("1","5","5","4","1","1","2","1") = "4"
    & skf21("1","5","5","4","1","1","3","1") = "4"
    & skf21("1","5","5","4","1","1","4","1") = "4"
    & skf21("1","5","5","4","1","1","5","1") = "4"
    & skf21("1","5","5","4","1","1","6","1") = "5"
    & skf21("1","5","5","4","1","1","7","1") = "6"
    & skf21("1","5","5","4","1","2","1","1") = "4"
    & skf21("1","5","5","4","1","2","2","1") = "4"
    & skf21("1","5","5","4","1","2","3","1") = "4"
    & skf21("1","5","5","4","1","2","4","1") = "4"
    & skf21("1","5","5","4","1","2","5","1") = "4"
    & skf21("1","5","5","4","1","2","6","1") = "5"
    & skf21("1","5","5","4","1","2","7","1") = "6"
    & skf21("1","5","5","4","1","3","1","1") = "4"
    & skf21("1","5","5","4","1","3","2","1") = "4"
    & skf21("1","5","5","4","1","3","3","1") = "4"
    & skf21("1","5","5","4","1","3","4","1") = "4"
    & skf21("1","5","5","4","1","3","5","1") = "4"
    & skf21("1","5","5","4","1","3","6","1") = "5"
    & skf21("1","5","5","4","1","3","7","1") = "6"
    & skf21("1","5","5","4","1","4","1","1") = "4"
    & skf21("1","5","5","4","1","4","2","1") = "4"
    & skf21("1","5","5","4","1","4","3","1") = "4"
    & skf21("1","5","5","4","1","4","4","1") = "4"
    & skf21("1","5","5","4","1","4","5","1") = "4"
    & skf21("1","5","5","4","1","4","6","1") = "5"
    & skf21("1","5","5","4","1","4","7","1") = "6"
    & skf21("1","5","5","4","1","5","1","1") = "4"
    & skf21("1","5","5","4","1","5","2","1") = "4"
    & skf21("1","5","5","4","1","5","3","1") = "4"
    & skf21("1","5","5","4","1","5","4","1") = "4"
    & skf21("1","5","5","4","1","5","5","1") = "4"
    & skf21("1","5","5","4","1","5","6","1") = "5"
    & skf21("1","5","5","4","1","5","7","1") = "6"
    & skf21("1","5","5","4","1","6","1","1") = "5"
    & skf21("1","5","5","4","1","6","2","1") = "5"
    & skf21("1","5","5","4","1","6","3","1") = "5"
    & skf21("1","5","5","4","1","6","4","1") = "5"
    & skf21("1","5","5","4","1","6","5","1") = "5"
    & skf21("1","5","5","4","1","6","6","1") = "5"
    & skf21("1","5","5","4","1","6","7","1") = "6"
    & skf21("1","5","5","4","1","7","1","1") = "6"
    & skf21("1","5","5","4","1","7","2","1") = "6"
    & skf21("1","5","5","4","1","7","3","1") = "6"
    & skf21("1","5","5","4","1","7","4","1") = "6"
    & skf21("1","5","5","4","1","7","5","1") = "6"
    & skf21("1","5","5","4","1","7","6","1") = "6"
    & skf21("1","5","5","4","1","7","7","1") = "6"
    & skf21("1","5","5","4","2","1","1","1") = "4"
    & skf21("1","5","5","4","2","1","2","1") = "4"
    & skf21("1","5","5","4","2","1","3","1") = "4"
    & skf21("1","5","5","4","2","1","4","1") = "4"
    & skf21("1","5","5","4","2","1","5","1") = "4"
    & skf21("1","5","5","4","2","1","6","1") = "5"
    & skf21("1","5","5","4","2","1","7","1") = "6"
    & skf21("1","5","5","4","2","2","1","1") = "4"
    & skf21("1","5","5","4","2","2","2","1") = "4"
    & skf21("1","5","5","4","2","2","3","1") = "4"
    & skf21("1","5","5","4","2","2","4","1") = "4"
    & skf21("1","5","5","4","2","2","5","1") = "4"
    & skf21("1","5","5","4","2","2","6","1") = "5"
    & skf21("1","5","5","4","2","2","7","1") = "6"
    & skf21("1","5","5","4","2","3","1","1") = "4"
    & skf21("1","5","5","4","2","3","2","1") = "4"
    & skf21("1","5","5","4","2","3","3","1") = "4"
    & skf21("1","5","5","4","2","3","4","1") = "4"
    & skf21("1","5","5","4","2","3","5","1") = "4"
    & skf21("1","5","5","4","2","3","6","1") = "5"
    & skf21("1","5","5","4","2","3","7","1") = "6"
    & skf21("1","5","5","4","2","4","1","1") = "4"
    & skf21("1","5","5","4","2","4","2","1") = "4"
    & skf21("1","5","5","4","2","4","3","1") = "4"
    & skf21("1","5","5","4","2","4","4","1") = "4"
    & skf21("1","5","5","4","2","4","5","1") = "4"
    & skf21("1","5","5","4","2","4","6","1") = "5"
    & skf21("1","5","5","4","2","4","7","1") = "6"
    & skf21("1","5","5","4","2","5","1","1") = "4"
    & skf21("1","5","5","4","2","5","2","1") = "4"
    & skf21("1","5","5","4","2","5","3","1") = "4"
    & skf21("1","5","5","4","2","5","4","1") = "4"
    & skf21("1","5","5","4","2","5","5","1") = "4"
    & skf21("1","5","5","4","2","5","6","1") = "5"
    & skf21("1","5","5","4","2","5","7","1") = "6"
    & skf21("1","5","5","4","2","6","1","1") = "5"
    & skf21("1","5","5","4","2","6","2","1") = "5"
    & skf21("1","5","5","4","2","6","3","1") = "5"
    & skf21("1","5","5","4","2","6","4","1") = "5"
    & skf21("1","5","5","4","2","6","5","1") = "5"
    & skf21("1","5","5","4","2","6","6","1") = "5"
    & skf21("1","5","5","4","2","6","7","1") = "6"
    & skf21("1","5","5","4","2","7","1","1") = "6"
    & skf21("1","5","5","4","2","7","2","1") = "6"
    & skf21("1","5","5","4","2","7","3","1") = "6"
    & skf21("1","5","5","4","2","7","4","1") = "6"
    & skf21("1","5","5","4","2","7","5","1") = "6"
    & skf21("1","5","5","4","2","7","6","1") = "6"
    & skf21("1","5","5","4","2","7","7","1") = "6"
    & skf21("1","5","5","4","3","1","1","1") = "4"
    & skf21("1","5","5","4","3","1","2","1") = "4"
    & skf21("1","5","5","4","3","1","3","1") = "4"
    & skf21("1","5","5","4","3","1","4","1") = "4"
    & skf21("1","5","5","4","3","1","5","1") = "4"
    & skf21("1","5","5","4","3","1","6","1") = "5"
    & skf21("1","5","5","4","3","1","7","1") = "6"
    & skf21("1","5","5","4","3","2","1","1") = "4"
    & skf21("1","5","5","4","3","2","2","1") = "4"
    & skf21("1","5","5","4","3","2","3","1") = "4"
    & skf21("1","5","5","4","3","2","4","1") = "4"
    & skf21("1","5","5","4","3","2","5","1") = "4"
    & skf21("1","5","5","4","3","2","6","1") = "5"
    & skf21("1","5","5","4","3","2","7","1") = "6"
    & skf21("1","5","5","4","3","3","1","1") = "4"
    & skf21("1","5","5","4","3","3","2","1") = "4"
    & skf21("1","5","5","4","3","3","3","1") = "4"
    & skf21("1","5","5","4","3","3","4","1") = "4"
    & skf21("1","5","5","4","3","3","5","1") = "4"
    & skf21("1","5","5","4","3","3","6","1") = "5"
    & skf21("1","5","5","4","3","3","7","1") = "6"
    & skf21("1","5","5","4","3","4","1","1") = "4"
    & skf21("1","5","5","4","3","4","2","1") = "4"
    & skf21("1","5","5","4","3","4","3","1") = "4"
    & skf21("1","5","5","4","3","4","4","1") = "4"
    & skf21("1","5","5","4","3","4","5","1") = "4"
    & skf21("1","5","5","4","3","4","6","1") = "5"
    & skf21("1","5","5","4","3","4","7","1") = "6"
    & skf21("1","5","5","4","3","5","1","1") = "4"
    & skf21("1","5","5","4","3","5","2","1") = "4"
    & skf21("1","5","5","4","3","5","3","1") = "4"
    & skf21("1","5","5","4","3","5","4","1") = "4"
    & skf21("1","5","5","4","3","5","5","1") = "4"
    & skf21("1","5","5","4","3","5","6","1") = "5"
    & skf21("1","5","5","4","3","5","7","1") = "6"
    & skf21("1","5","5","4","3","6","1","1") = "5"
    & skf21("1","5","5","4","3","6","2","1") = "5"
    & skf21("1","5","5","4","3","6","3","1") = "5"
    & skf21("1","5","5","4","3","6","4","1") = "5"
    & skf21("1","5","5","4","3","6","5","1") = "5"
    & skf21("1","5","5","4","3","6","6","1") = "5"
    & skf21("1","5","5","4","3","6","7","1") = "6"
    & skf21("1","5","5","4","3","7","1","1") = "6"
    & skf21("1","5","5","4","3","7","2","1") = "6"
    & skf21("1","5","5","4","3","7","3","1") = "6"
    & skf21("1","5","5","4","3","7","4","1") = "6"
    & skf21("1","5","5","4","3","7","5","1") = "6"
    & skf21("1","5","5","4","3","7","6","1") = "6"
    & skf21("1","5","5","4","3","7","7","1") = "6"
    & skf21("1","5","5","4","4","1","1","1") = "4"
    & skf21("1","5","5","4","4","1","2","1") = "4"
    & skf21("1","5","5","4","4","1","3","1") = "4"
    & skf21("1","5","5","4","4","1","4","1") = "4"
    & skf21("1","5","5","4","4","1","5","1") = "4"
    & skf21("1","5","5","4","4","1","6","1") = "5"
    & skf21("1","5","5","4","4","1","7","1") = "6"
    & skf21("1","5","5","4","4","2","1","1") = "4"
    & skf21("1","5","5","4","4","2","2","1") = "4"
    & skf21("1","5","5","4","4","2","3","1") = "4"
    & skf21("1","5","5","4","4","2","4","1") = "4"
    & skf21("1","5","5","4","4","2","5","1") = "4"
    & skf21("1","5","5","4","4","2","6","1") = "5"
    & skf21("1","5","5","4","4","2","7","1") = "6"
    & skf21("1","5","5","4","4","3","1","1") = "4"
    & skf21("1","5","5","4","4","3","2","1") = "4"
    & skf21("1","5","5","4","4","3","3","1") = "4"
    & skf21("1","5","5","4","4","3","4","1") = "4"
    & skf21("1","5","5","4","4","3","5","1") = "4"
    & skf21("1","5","5","4","4","3","6","1") = "5"
    & skf21("1","5","5","4","4","3","7","1") = "6"
    & skf21("1","5","5","4","4","4","1","1") = "4"
    & skf21("1","5","5","4","4","4","2","1") = "4"
    & skf21("1","5","5","4","4","4","3","1") = "4"
    & skf21("1","5","5","4","4","4","4","1") = "4"
    & skf21("1","5","5","4","4","4","5","1") = "4"
    & skf21("1","5","5","4","4","4","6","1") = "5"
    & skf21("1","5","5","4","4","4","7","1") = "6"
    & skf21("1","5","5","4","4","5","1","1") = "4"
    & skf21("1","5","5","4","4","5","2","1") = "4"
    & skf21("1","5","5","4","4","5","3","1") = "4"
    & skf21("1","5","5","4","4","5","4","1") = "4"
    & skf21("1","5","5","4","4","5","5","1") = "4"
    & skf21("1","5","5","4","4","5","6","1") = "5"
    & skf21("1","5","5","4","4","5","7","1") = "6"
    & skf21("1","5","5","4","4","6","1","1") = "5"
    & skf21("1","5","5","4","4","6","2","1") = "5"
    & skf21("1","5","5","4","4","6","3","1") = "5"
    & skf21("1","5","5","4","4","6","4","1") = "5"
    & skf21("1","5","5","4","4","6","5","1") = "5"
    & skf21("1","5","5","4","4","6","6","1") = "5"
    & skf21("1","5","5","4","4","6","7","1") = "6"
    & skf21("1","5","5","4","4","7","1","1") = "6"
    & skf21("1","5","5","4","4","7","2","1") = "6"
    & skf21("1","5","5","4","4","7","3","1") = "6"
    & skf21("1","5","5","4","4","7","4","1") = "6"
    & skf21("1","5","5","4","4","7","5","1") = "6"
    & skf21("1","5","5","4","4","7","6","1") = "6"
    & skf21("1","5","5","4","4","7","7","1") = "6"
    & skf21("1","5","5","4","5","1","1","1") = "4"
    & skf21("1","5","5","4","5","1","2","1") = "4"
    & skf21("1","5","5","4","5","1","3","1") = "4"
    & skf21("1","5","5","4","5","1","4","1") = "4"
    & skf21("1","5","5","4","5","1","5","1") = "4"
    & skf21("1","5","5","4","5","1","6","1") = "5"
    & skf21("1","5","5","4","5","1","7","1") = "6"
    & skf21("1","5","5","4","5","2","1","1") = "4"
    & skf21("1","5","5","4","5","2","2","1") = "4"
    & skf21("1","5","5","4","5","2","3","1") = "4"
    & skf21("1","5","5","4","5","2","4","1") = "4"
    & skf21("1","5","5","4","5","2","5","1") = "4"
    & skf21("1","5","5","4","5","2","6","1") = "5"
    & skf21("1","5","5","4","5","2","7","1") = "6"
    & skf21("1","5","5","4","5","3","1","1") = "4"
    & skf21("1","5","5","4","5","3","2","1") = "4"
    & skf21("1","5","5","4","5","3","3","1") = "4"
    & skf21("1","5","5","4","5","3","4","1") = "4"
    & skf21("1","5","5","4","5","3","5","1") = "4"
    & skf21("1","5","5","4","5","3","6","1") = "5"
    & skf21("1","5","5","4","5","3","7","1") = "6"
    & skf21("1","5","5","4","5","4","1","1") = "4"
    & skf21("1","5","5","4","5","4","2","1") = "4"
    & skf21("1","5","5","4","5","4","3","1") = "4"
    & skf21("1","5","5","4","5","4","4","1") = "4"
    & skf21("1","5","5","4","5","4","5","1") = "4"
    & skf21("1","5","5","4","5","4","6","1") = "5"
    & skf21("1","5","5","4","5","4","7","1") = "6"
    & skf21("1","5","5","4","5","5","1","1") = "4"
    & skf21("1","5","5","4","5","5","2","1") = "4"
    & skf21("1","5","5","4","5","5","3","1") = "4"
    & skf21("1","5","5","4","5","5","4","1") = "4"
    & skf21("1","5","5","4","5","5","5","1") = "4"
    & skf21("1","5","5","4","5","5","6","1") = "5"
    & skf21("1","5","5","4","5","5","7","1") = "6"
    & skf21("1","5","5","4","5","6","1","1") = "5"
    & skf21("1","5","5","4","5","6","2","1") = "5"
    & skf21("1","5","5","4","5","6","3","1") = "5"
    & skf21("1","5","5","4","5","6","4","1") = "5"
    & skf21("1","5","5","4","5","6","5","1") = "5"
    & skf21("1","5","5","4","5","6","6","1") = "5"
    & skf21("1","5","5","4","5","6","7","1") = "6"
    & skf21("1","5","5","4","5","7","1","1") = "6"
    & skf21("1","5","5","4","5","7","2","1") = "6"
    & skf21("1","5","5","4","5","7","3","1") = "6"
    & skf21("1","5","5","4","5","7","4","1") = "6"
    & skf21("1","5","5","4","5","7","5","1") = "6"
    & skf21("1","5","5","4","5","7","6","1") = "6"
    & skf21("1","5","5","4","5","7","7","1") = "6"
    & skf21("1","5","5","4","6","1","1","1") = "5"
    & skf21("1","5","5","4","6","1","2","1") = "5"
    & skf21("1","5","5","4","6","1","3","1") = "5"
    & skf21("1","5","5","4","6","1","4","1") = "5"
    & skf21("1","5","5","4","6","1","5","1") = "5"
    & skf21("1","5","5","4","6","1","6","1") = "5"
    & skf21("1","5","5","4","6","1","7","1") = "6"
    & skf21("1","5","5","4","6","2","1","1") = "5"
    & skf21("1","5","5","4","6","2","2","1") = "5"
    & skf21("1","5","5","4","6","2","3","1") = "5"
    & skf21("1","5","5","4","6","2","4","1") = "5"
    & skf21("1","5","5","4","6","2","5","1") = "5"
    & skf21("1","5","5","4","6","2","6","1") = "5"
    & skf21("1","5","5","4","6","2","7","1") = "6"
    & skf21("1","5","5","4","6","3","1","1") = "5"
    & skf21("1","5","5","4","6","3","2","1") = "5"
    & skf21("1","5","5","4","6","3","3","1") = "5"
    & skf21("1","5","5","4","6","3","4","1") = "5"
    & skf21("1","5","5","4","6","3","5","1") = "5"
    & skf21("1","5","5","4","6","3","6","1") = "5"
    & skf21("1","5","5","4","6","3","7","1") = "6"
    & skf21("1","5","5","4","6","4","1","1") = "5"
    & skf21("1","5","5","4","6","4","2","1") = "5"
    & skf21("1","5","5","4","6","4","3","1") = "5"
    & skf21("1","5","5","4","6","4","4","1") = "5"
    & skf21("1","5","5","4","6","4","5","1") = "5"
    & skf21("1","5","5","4","6","4","6","1") = "5"
    & skf21("1","5","5","4","6","4","7","1") = "6"
    & skf21("1","5","5","4","6","5","1","1") = "5"
    & skf21("1","5","5","4","6","5","2","1") = "5"
    & skf21("1","5","5","4","6","5","3","1") = "5"
    & skf21("1","5","5","4","6","5","4","1") = "5"
    & skf21("1","5","5","4","6","5","5","1") = "5"
    & skf21("1","5","5","4","6","5","6","1") = "5"
    & skf21("1","5","5","4","6","5","7","1") = "6"
    & skf21("1","5","5","4","6","6","1","1") = "5"
    & skf21("1","5","5","4","6","6","2","1") = "5"
    & skf21("1","5","5","4","6","6","3","1") = "5"
    & skf21("1","5","5","4","6","6","4","1") = "5"
    & skf21("1","5","5","4","6","6","5","1") = "5"
    & skf21("1","5","5","4","6","6","6","1") = "5"
    & skf21("1","5","5","4","6","6","7","1") = "6"
    & skf21("1","5","5","4","6","7","1","1") = "6"
    & skf21("1","5","5","4","6","7","2","1") = "6"
    & skf21("1","5","5","4","6","7","3","1") = "6"
    & skf21("1","5","5","4","6","7","4","1") = "6"
    & skf21("1","5","5","4","6","7","5","1") = "6"
    & skf21("1","5","5","4","6","7","6","1") = "6"
    & skf21("1","5","5","4","6","7","7","1") = "6"
    & skf21("1","5","5","4","7","1","1","1") = "6"
    & skf21("1","5","5","4","7","1","2","1") = "6"
    & skf21("1","5","5","4","7","1","3","1") = "6"
    & skf21("1","5","5","4","7","1","4","1") = "6"
    & skf21("1","5","5","4","7","1","5","1") = "6"
    & skf21("1","5","5","4","7","1","6","1") = "6"
    & skf21("1","5","5","4","7","1","7","1") = "6"
    & skf21("1","5","5","4","7","2","1","1") = "6"
    & skf21("1","5","5","4","7","2","2","1") = "6"
    & skf21("1","5","5","4","7","2","3","1") = "6"
    & skf21("1","5","5","4","7","2","4","1") = "6"
    & skf21("1","5","5","4","7","2","5","1") = "6"
    & skf21("1","5","5","4","7","2","6","1") = "6"
    & skf21("1","5","5","4","7","2","7","1") = "6"
    & skf21("1","5","5","4","7","3","1","1") = "6"
    & skf21("1","5","5","4","7","3","2","1") = "6"
    & skf21("1","5","5","4","7","3","3","1") = "6"
    & skf21("1","5","5","4","7","3","4","1") = "6"
    & skf21("1","5","5","4","7","3","5","1") = "6"
    & skf21("1","5","5","4","7","3","6","1") = "6"
    & skf21("1","5","5","4","7","3","7","1") = "6"
    & skf21("1","5","5","4","7","4","1","1") = "6"
    & skf21("1","5","5","4","7","4","2","1") = "6"
    & skf21("1","5","5","4","7","4","3","1") = "6"
    & skf21("1","5","5","4","7","4","4","1") = "6"
    & skf21("1","5","5","4","7","4","5","1") = "6"
    & skf21("1","5","5","4","7","4","6","1") = "6"
    & skf21("1","5","5","4","7","4","7","1") = "6"
    & skf21("1","5","5","4","7","5","1","1") = "6"
    & skf21("1","5","5","4","7","5","2","1") = "6"
    & skf21("1","5","5","4","7","5","3","1") = "6"
    & skf21("1","5","5","4","7","5","4","1") = "6"
    & skf21("1","5","5","4","7","5","5","1") = "6"
    & skf21("1","5","5","4","7","5","6","1") = "6"
    & skf21("1","5","5","4","7","5","7","1") = "6"
    & skf21("1","5","5","4","7","6","1","1") = "6"
    & skf21("1","5","5","4","7","6","2","1") = "6"
    & skf21("1","5","5","4","7","6","3","1") = "6"
    & skf21("1","5","5","4","7","6","4","1") = "6"
    & skf21("1","5","5","4","7","6","5","1") = "6"
    & skf21("1","5","5","4","7","6","6","1") = "6"
    & skf21("1","5","5","4","7","6","7","1") = "6"
    & skf21("1","5","5","4","7","7","1","1") = "6"
    & skf21("1","5","5","4","7","7","2","1") = "6"
    & skf21("1","5","5","4","7","7","3","1") = "6"
    & skf21("1","5","5","4","7","7","4","1") = "6"
    & skf21("1","5","5","4","7","7","5","1") = "6"
    & skf21("1","5","5","4","7","7","6","1") = "6"
    & skf21("1","5","5","4","7","7","7","1") = "6"
    & skf21("1","5","5","5","1","1","1","1") = "4"
    & skf21("1","5","5","5","1","1","2","1") = "4"
    & skf21("1","5","5","5","1","1","3","1") = "4"
    & skf21("1","5","5","5","1","1","4","1") = "4"
    & skf21("1","5","5","5","1","1","5","1") = "4"
    & skf21("1","5","5","5","1","1","6","1") = "5"
    & skf21("1","5","5","5","1","1","7","1") = "6"
    & skf21("1","5","5","5","1","2","1","1") = "4"
    & skf21("1","5","5","5","1","2","2","1") = "4"
    & skf21("1","5","5","5","1","2","3","1") = "4"
    & skf21("1","5","5","5","1","2","4","1") = "4"
    & skf21("1","5","5","5","1","2","5","1") = "4"
    & skf21("1","5","5","5","1","2","6","1") = "5"
    & skf21("1","5","5","5","1","2","7","1") = "6"
    & skf21("1","5","5","5","1","3","1","1") = "4"
    & skf21("1","5","5","5","1","3","2","1") = "4"
    & skf21("1","5","5","5","1","3","3","1") = "4"
    & skf21("1","5","5","5","1","3","4","1") = "4"
    & skf21("1","5","5","5","1","3","5","1") = "4"
    & skf21("1","5","5","5","1","3","6","1") = "5"
    & skf21("1","5","5","5","1","3","7","1") = "6"
    & skf21("1","5","5","5","1","4","1","1") = "4"
    & skf21("1","5","5","5","1","4","2","1") = "4"
    & skf21("1","5","5","5","1","4","3","1") = "4"
    & skf21("1","5","5","5","1","4","4","1") = "4"
    & skf21("1","5","5","5","1","4","5","1") = "4"
    & skf21("1","5","5","5","1","4","6","1") = "5"
    & skf21("1","5","5","5","1","4","7","1") = "6"
    & skf21("1","5","5","5","1","5","1","1") = "4"
    & skf21("1","5","5","5","1","5","2","1") = "4"
    & skf21("1","5","5","5","1","5","3","1") = "4"
    & skf21("1","5","5","5","1","5","4","1") = "4"
    & skf21("1","5","5","5","1","5","5","1") = "4"
    & skf21("1","5","5","5","1","5","6","1") = "5"
    & skf21("1","5","5","5","1","5","7","1") = "6"
    & skf21("1","5","5","5","1","6","1","1") = "5"
    & skf21("1","5","5","5","1","6","2","1") = "5"
    & skf21("1","5","5","5","1","6","3","1") = "5"
    & skf21("1","5","5","5","1","6","4","1") = "5"
    & skf21("1","5","5","5","1","6","5","1") = "5"
    & skf21("1","5","5","5","1","6","6","1") = "5"
    & skf21("1","5","5","5","1","6","7","1") = "6"
    & skf21("1","5","5","5","1","7","1","1") = "6"
    & skf21("1","5","5","5","1","7","2","1") = "6"
    & skf21("1","5","5","5","1","7","3","1") = "6"
    & skf21("1","5","5","5","1","7","4","1") = "6"
    & skf21("1","5","5","5","1","7","5","1") = "6"
    & skf21("1","5","5","5","1","7","6","1") = "6"
    & skf21("1","5","5","5","1","7","7","1") = "6"
    & skf21("1","5","5","5","2","1","1","1") = "4"
    & skf21("1","5","5","5","2","1","2","1") = "4"
    & skf21("1","5","5","5","2","1","3","1") = "4"
    & skf21("1","5","5","5","2","1","4","1") = "4"
    & skf21("1","5","5","5","2","1","5","1") = "4"
    & skf21("1","5","5","5","2","1","6","1") = "5"
    & skf21("1","5","5","5","2","1","7","1") = "6"
    & skf21("1","5","5","5","2","2","1","1") = "4"
    & skf21("1","5","5","5","2","2","2","1") = "4"
    & skf21("1","5","5","5","2","2","3","1") = "4"
    & skf21("1","5","5","5","2","2","4","1") = "4"
    & skf21("1","5","5","5","2","2","5","1") = "4"
    & skf21("1","5","5","5","2","2","6","1") = "5"
    & skf21("1","5","5","5","2","2","7","1") = "6"
    & skf21("1","5","5","5","2","3","1","1") = "4"
    & skf21("1","5","5","5","2","3","2","1") = "4"
    & skf21("1","5","5","5","2","3","3","1") = "4"
    & skf21("1","5","5","5","2","3","4","1") = "4"
    & skf21("1","5","5","5","2","3","5","1") = "4"
    & skf21("1","5","5","5","2","3","6","1") = "5"
    & skf21("1","5","5","5","2","3","7","1") = "6"
    & skf21("1","5","5","5","2","4","1","1") = "4"
    & skf21("1","5","5","5","2","4","2","1") = "4"
    & skf21("1","5","5","5","2","4","3","1") = "4"
    & skf21("1","5","5","5","2","4","4","1") = "4"
    & skf21("1","5","5","5","2","4","5","1") = "4"
    & skf21("1","5","5","5","2","4","6","1") = "5"
    & skf21("1","5","5","5","2","4","7","1") = "6"
    & skf21("1","5","5","5","2","5","1","1") = "4"
    & skf21("1","5","5","5","2","5","2","1") = "4"
    & skf21("1","5","5","5","2","5","3","1") = "4"
    & skf21("1","5","5","5","2","5","4","1") = "4"
    & skf21("1","5","5","5","2","5","5","1") = "4"
    & skf21("1","5","5","5","2","5","6","1") = "5"
    & skf21("1","5","5","5","2","5","7","1") = "6"
    & skf21("1","5","5","5","2","6","1","1") = "5"
    & skf21("1","5","5","5","2","6","2","1") = "5"
    & skf21("1","5","5","5","2","6","3","1") = "5"
    & skf21("1","5","5","5","2","6","4","1") = "5"
    & skf21("1","5","5","5","2","6","5","1") = "5"
    & skf21("1","5","5","5","2","6","6","1") = "5"
    & skf21("1","5","5","5","2","6","7","1") = "6"
    & skf21("1","5","5","5","2","7","1","1") = "6"
    & skf21("1","5","5","5","2","7","2","1") = "6"
    & skf21("1","5","5","5","2","7","3","1") = "6"
    & skf21("1","5","5","5","2","7","4","1") = "6"
    & skf21("1","5","5","5","2","7","5","1") = "6"
    & skf21("1","5","5","5","2","7","6","1") = "6"
    & skf21("1","5","5","5","2","7","7","1") = "6"
    & skf21("1","5","5","5","3","1","1","1") = "4"
    & skf21("1","5","5","5","3","1","2","1") = "4"
    & skf21("1","5","5","5","3","1","3","1") = "4"
    & skf21("1","5","5","5","3","1","4","1") = "4"
    & skf21("1","5","5","5","3","1","5","1") = "4"
    & skf21("1","5","5","5","3","1","6","1") = "5"
    & skf21("1","5","5","5","3","1","7","1") = "6"
    & skf21("1","5","5","5","3","2","1","1") = "4"
    & skf21("1","5","5","5","3","2","2","1") = "4"
    & skf21("1","5","5","5","3","2","3","1") = "4"
    & skf21("1","5","5","5","3","2","4","1") = "4"
    & skf21("1","5","5","5","3","2","5","1") = "4"
    & skf21("1","5","5","5","3","2","6","1") = "5"
    & skf21("1","5","5","5","3","2","7","1") = "6"
    & skf21("1","5","5","5","3","3","1","1") = "4"
    & skf21("1","5","5","5","3","3","2","1") = "4"
    & skf21("1","5","5","5","3","3","3","1") = "4"
    & skf21("1","5","5","5","3","3","4","1") = "4"
    & skf21("1","5","5","5","3","3","5","1") = "4"
    & skf21("1","5","5","5","3","3","6","1") = "5"
    & skf21("1","5","5","5","3","3","7","1") = "6"
    & skf21("1","5","5","5","3","4","1","1") = "4"
    & skf21("1","5","5","5","3","4","2","1") = "4"
    & skf21("1","5","5","5","3","4","3","1") = "4"
    & skf21("1","5","5","5","3","4","4","1") = "4"
    & skf21("1","5","5","5","3","4","5","1") = "4"
    & skf21("1","5","5","5","3","4","6","1") = "5"
    & skf21("1","5","5","5","3","4","7","1") = "6"
    & skf21("1","5","5","5","3","5","1","1") = "4"
    & skf21("1","5","5","5","3","5","2","1") = "4"
    & skf21("1","5","5","5","3","5","3","1") = "4"
    & skf21("1","5","5","5","3","5","4","1") = "4"
    & skf21("1","5","5","5","3","5","5","1") = "4"
    & skf21("1","5","5","5","3","5","6","1") = "5"
    & skf21("1","5","5","5","3","5","7","1") = "6"
    & skf21("1","5","5","5","3","6","1","1") = "5"
    & skf21("1","5","5","5","3","6","2","1") = "5"
    & skf21("1","5","5","5","3","6","3","1") = "5"
    & skf21("1","5","5","5","3","6","4","1") = "5"
    & skf21("1","5","5","5","3","6","5","1") = "5"
    & skf21("1","5","5","5","3","6","6","1") = "5"
    & skf21("1","5","5","5","3","6","7","1") = "6"
    & skf21("1","5","5","5","3","7","1","1") = "6"
    & skf21("1","5","5","5","3","7","2","1") = "6"
    & skf21("1","5","5","5","3","7","3","1") = "6"
    & skf21("1","5","5","5","3","7","4","1") = "6"
    & skf21("1","5","5","5","3","7","5","1") = "6"
    & skf21("1","5","5","5","3","7","6","1") = "6"
    & skf21("1","5","5","5","3","7","7","1") = "6"
    & skf21("1","5","5","5","4","1","1","1") = "4"
    & skf21("1","5","5","5","4","1","2","1") = "4"
    & skf21("1","5","5","5","4","1","3","1") = "4"
    & skf21("1","5","5","5","4","1","4","1") = "4"
    & skf21("1","5","5","5","4","1","5","1") = "4"
    & skf21("1","5","5","5","4","1","6","1") = "5"
    & skf21("1","5","5","5","4","1","7","1") = "6"
    & skf21("1","5","5","5","4","2","1","1") = "4"
    & skf21("1","5","5","5","4","2","2","1") = "4"
    & skf21("1","5","5","5","4","2","3","1") = "4"
    & skf21("1","5","5","5","4","2","4","1") = "4"
    & skf21("1","5","5","5","4","2","5","1") = "4"
    & skf21("1","5","5","5","4","2","6","1") = "5"
    & skf21("1","5","5","5","4","2","7","1") = "6"
    & skf21("1","5","5","5","4","3","1","1") = "4"
    & skf21("1","5","5","5","4","3","2","1") = "4"
    & skf21("1","5","5","5","4","3","3","1") = "4"
    & skf21("1","5","5","5","4","3","4","1") = "4"
    & skf21("1","5","5","5","4","3","5","1") = "4"
    & skf21("1","5","5","5","4","3","6","1") = "5"
    & skf21("1","5","5","5","4","3","7","1") = "6"
    & skf21("1","5","5","5","4","4","1","1") = "4"
    & skf21("1","5","5","5","4","4","2","1") = "4"
    & skf21("1","5","5","5","4","4","3","1") = "4"
    & skf21("1","5","5","5","4","4","4","1") = "4"
    & skf21("1","5","5","5","4","4","5","1") = "4"
    & skf21("1","5","5","5","4","4","6","1") = "5"
    & skf21("1","5","5","5","4","4","7","1") = "6"
    & skf21("1","5","5","5","4","5","1","1") = "4"
    & skf21("1","5","5","5","4","5","2","1") = "4"
    & skf21("1","5","5","5","4","5","3","1") = "4"
    & skf21("1","5","5","5","4","5","4","1") = "4"
    & skf21("1","5","5","5","4","5","5","1") = "4"
    & skf21("1","5","5","5","4","5","6","1") = "5"
    & skf21("1","5","5","5","4","5","7","1") = "6"
    & skf21("1","5","5","5","4","6","1","1") = "5"
    & skf21("1","5","5","5","4","6","2","1") = "5"
    & skf21("1","5","5","5","4","6","3","1") = "5"
    & skf21("1","5","5","5","4","6","4","1") = "5"
    & skf21("1","5","5","5","4","6","5","1") = "5"
    & skf21("1","5","5","5","4","6","6","1") = "5"
    & skf21("1","5","5","5","4","6","7","1") = "6"
    & skf21("1","5","5","5","4","7","1","1") = "6"
    & skf21("1","5","5","5","4","7","2","1") = "6"
    & skf21("1","5","5","5","4","7","3","1") = "6"
    & skf21("1","5","5","5","4","7","4","1") = "6"
    & skf21("1","5","5","5","4","7","5","1") = "6"
    & skf21("1","5","5","5","4","7","6","1") = "6"
    & skf21("1","5","5","5","4","7","7","1") = "6"
    & skf21("1","5","5","5","5","1","1","1") = "4"
    & skf21("1","5","5","5","5","1","2","1") = "4"
    & skf21("1","5","5","5","5","1","3","1") = "4"
    & skf21("1","5","5","5","5","1","4","1") = "4"
    & skf21("1","5","5","5","5","1","5","1") = "4"
    & skf21("1","5","5","5","5","1","6","1") = "5"
    & skf21("1","5","5","5","5","1","7","1") = "6"
    & skf21("1","5","5","5","5","2","1","1") = "4"
    & skf21("1","5","5","5","5","2","2","1") = "4"
    & skf21("1","5","5","5","5","2","3","1") = "4"
    & skf21("1","5","5","5","5","2","4","1") = "4"
    & skf21("1","5","5","5","5","2","5","1") = "4"
    & skf21("1","5","5","5","5","2","6","1") = "5"
    & skf21("1","5","5","5","5","2","7","1") = "6"
    & skf21("1","5","5","5","5","3","1","1") = "4"
    & skf21("1","5","5","5","5","3","2","1") = "4"
    & skf21("1","5","5","5","5","3","3","1") = "4"
    & skf21("1","5","5","5","5","3","4","1") = "4"
    & skf21("1","5","5","5","5","3","5","1") = "4"
    & skf21("1","5","5","5","5","3","6","1") = "5"
    & skf21("1","5","5","5","5","3","7","1") = "6"
    & skf21("1","5","5","5","5","4","1","1") = "4"
    & skf21("1","5","5","5","5","4","2","1") = "4"
    & skf21("1","5","5","5","5","4","3","1") = "4"
    & skf21("1","5","5","5","5","4","4","1") = "4"
    & skf21("1","5","5","5","5","4","5","1") = "4"
    & skf21("1","5","5","5","5","4","6","1") = "5"
    & skf21("1","5","5","5","5","4","7","1") = "6"
    & skf21("1","5","5","5","5","5","1","1") = "4"
    & skf21("1","5","5","5","5","5","2","1") = "4"
    & skf21("1","5","5","5","5","5","3","1") = "4"
    & skf21("1","5","5","5","5","5","4","1") = "4"
    & skf21("1","5","5","5","5","5","5","1") = "4"
    & skf21("1","5","5","5","5","5","6","1") = "5"
    & skf21("1","5","5","5","5","5","7","1") = "6"
    & skf21("1","5","5","5","5","6","1","1") = "5"
    & skf21("1","5","5","5","5","6","2","1") = "5"
    & skf21("1","5","5","5","5","6","3","1") = "5"
    & skf21("1","5","5","5","5","6","4","1") = "5"
    & skf21("1","5","5","5","5","6","5","1") = "5"
    & skf21("1","5","5","5","5","6","6","1") = "5"
    & skf21("1","5","5","5","5","6","7","1") = "6"
    & skf21("1","5","5","5","5","7","1","1") = "6"
    & skf21("1","5","5","5","5","7","2","1") = "6"
    & skf21("1","5","5","5","5","7","3","1") = "6"
    & skf21("1","5","5","5","5","7","4","1") = "6"
    & skf21("1","5","5","5","5","7","5","1") = "6"
    & skf21("1","5","5","5","5","7","6","1") = "6"
    & skf21("1","5","5","5","5","7","7","1") = "6"
    & skf21("1","5","5","5","6","1","1","1") = "5"
    & skf21("1","5","5","5","6","1","2","1") = "5"
    & skf21("1","5","5","5","6","1","3","1") = "5"
    & skf21("1","5","5","5","6","1","4","1") = "5"
    & skf21("1","5","5","5","6","1","5","1") = "5"
    & skf21("1","5","5","5","6","1","6","1") = "5"
    & skf21("1","5","5","5","6","1","7","1") = "6"
    & skf21("1","5","5","5","6","2","1","1") = "5"
    & skf21("1","5","5","5","6","2","2","1") = "5"
    & skf21("1","5","5","5","6","2","3","1") = "5"
    & skf21("1","5","5","5","6","2","4","1") = "5"
    & skf21("1","5","5","5","6","2","5","1") = "5"
    & skf21("1","5","5","5","6","2","6","1") = "5"
    & skf21("1","5","5","5","6","2","7","1") = "6"
    & skf21("1","5","5","5","6","3","1","1") = "5"
    & skf21("1","5","5","5","6","3","2","1") = "5"
    & skf21("1","5","5","5","6","3","3","1") = "5"
    & skf21("1","5","5","5","6","3","4","1") = "5"
    & skf21("1","5","5","5","6","3","5","1") = "5"
    & skf21("1","5","5","5","6","3","6","1") = "5"
    & skf21("1","5","5","5","6","3","7","1") = "6"
    & skf21("1","5","5","5","6","4","1","1") = "5"
    & skf21("1","5","5","5","6","4","2","1") = "5"
    & skf21("1","5","5","5","6","4","3","1") = "5"
    & skf21("1","5","5","5","6","4","4","1") = "5"
    & skf21("1","5","5","5","6","4","5","1") = "5"
    & skf21("1","5","5","5","6","4","6","1") = "5"
    & skf21("1","5","5","5","6","4","7","1") = "6"
    & skf21("1","5","5","5","6","5","1","1") = "5"
    & skf21("1","5","5","5","6","5","2","1") = "5"
    & skf21("1","5","5","5","6","5","3","1") = "5"
    & skf21("1","5","5","5","6","5","4","1") = "5"
    & skf21("1","5","5","5","6","5","5","1") = "5"
    & skf21("1","5","5","5","6","5","6","1") = "5"
    & skf21("1","5","5","5","6","5","7","1") = "6"
    & skf21("1","5","5","5","6","6","1","1") = "5"
    & skf21("1","5","5","5","6","6","2","1") = "5"
    & skf21("1","5","5","5","6","6","3","1") = "5"
    & skf21("1","5","5","5","6","6","4","1") = "5"
    & skf21("1","5","5","5","6","6","5","1") = "5"
    & skf21("1","5","5","5","6","6","6","1") = "5"
    & skf21("1","5","5","5","6","6","7","1") = "6"
    & skf21("1","5","5","5","6","7","1","1") = "6"
    & skf21("1","5","5","5","6","7","2","1") = "6"
    & skf21("1","5","5","5","6","7","3","1") = "6"
    & skf21("1","5","5","5","6","7","4","1") = "6"
    & skf21("1","5","5","5","6","7","5","1") = "6"
    & skf21("1","5","5","5","6","7","6","1") = "6"
    & skf21("1","5","5","5","6","7","7","1") = "6"
    & skf21("1","5","5","5","7","1","1","1") = "6"
    & skf21("1","5","5","5","7","1","2","1") = "6"
    & skf21("1","5","5","5","7","1","3","1") = "6"
    & skf21("1","5","5","5","7","1","4","1") = "6"
    & skf21("1","5","5","5","7","1","5","1") = "6"
    & skf21("1","5","5","5","7","1","6","1") = "6"
    & skf21("1","5","5","5","7","1","7","1") = "6"
    & skf21("1","5","5","5","7","2","1","1") = "6"
    & skf21("1","5","5","5","7","2","2","1") = "6"
    & skf21("1","5","5","5","7","2","3","1") = "6"
    & skf21("1","5","5","5","7","2","4","1") = "6"
    & skf21("1","5","5","5","7","2","5","1") = "6"
    & skf21("1","5","5","5","7","2","6","1") = "6"
    & skf21("1","5","5","5","7","2","7","1") = "6"
    & skf21("1","5","5","5","7","3","1","1") = "6"
    & skf21("1","5","5","5","7","3","2","1") = "6"
    & skf21("1","5","5","5","7","3","3","1") = "6"
    & skf21("1","5","5","5","7","3","4","1") = "6"
    & skf21("1","5","5","5","7","3","5","1") = "6"
    & skf21("1","5","5","5","7","3","6","1") = "6"
    & skf21("1","5","5","5","7","3","7","1") = "6"
    & skf21("1","5","5","5","7","4","1","1") = "6"
    & skf21("1","5","5","5","7","4","2","1") = "6"
    & skf21("1","5","5","5","7","4","3","1") = "6"
    & skf21("1","5","5","5","7","4","4","1") = "6"
    & skf21("1","5","5","5","7","4","5","1") = "6"
    & skf21("1","5","5","5","7","4","6","1") = "6"
    & skf21("1","5","5","5","7","4","7","1") = "6"
    & skf21("1","5","5","5","7","5","1","1") = "6"
    & skf21("1","5","5","5","7","5","2","1") = "6"
    & skf21("1","5","5","5","7","5","3","1") = "6"
    & skf21("1","5","5","5","7","5","4","1") = "6"
    & skf21("1","5","5","5","7","5","5","1") = "6"
    & skf21("1","5","5","5","7","5","6","1") = "6"
    & skf21("1","5","5","5","7","5","7","1") = "6"
    & skf21("1","5","5","5","7","6","1","1") = "6"
    & skf21("1","5","5","5","7","6","2","1") = "6"
    & skf21("1","5","5","5","7","6","3","1") = "6"
    & skf21("1","5","5","5","7","6","4","1") = "6"
    & skf21("1","5","5","5","7","6","5","1") = "6"
    & skf21("1","5","5","5","7","6","6","1") = "6"
    & skf21("1","5","5","5","7","6","7","1") = "6"
    & skf21("1","5","5","5","7","7","1","1") = "6"
    & skf21("1","5","5","5","7","7","2","1") = "6"
    & skf21("1","5","5","5","7","7","3","1") = "6"
    & skf21("1","5","5","5","7","7","4","1") = "6"
    & skf21("1","5","5","5","7","7","5","1") = "6"
    & skf21("1","5","5","5","7","7","6","1") = "6"
    & skf21("1","5","5","5","7","7","7","1") = "6"
    & skf21("1","5","5","6","1","1","1","1") = "5"
    & skf21("1","5","5","6","1","1","2","1") = "5"
    & skf21("1","5","5","6","1","1","3","1") = "5"
    & skf21("1","5","5","6","1","1","4","1") = "5"
    & skf21("1","5","5","6","1","1","5","1") = "5"
    & skf21("1","5","5","6","1","1","6","1") = "5"
    & skf21("1","5","5","6","1","1","7","1") = "6"
    & skf21("1","5","5","6","1","2","1","1") = "5"
    & skf21("1","5","5","6","1","2","2","1") = "5"
    & skf21("1","5","5","6","1","2","3","1") = "5"
    & skf21("1","5","5","6","1","2","4","1") = "5"
    & skf21("1","5","5","6","1","2","5","1") = "5"
    & skf21("1","5","5","6","1","2","6","1") = "5"
    & skf21("1","5","5","6","1","2","7","1") = "6"
    & skf21("1","5","5","6","1","3","1","1") = "5"
    & skf21("1","5","5","6","1","3","2","1") = "5"
    & skf21("1","5","5","6","1","3","3","1") = "5"
    & skf21("1","5","5","6","1","3","4","1") = "5"
    & skf21("1","5","5","6","1","3","5","1") = "5"
    & skf21("1","5","5","6","1","3","6","1") = "5"
    & skf21("1","5","5","6","1","3","7","1") = "6"
    & skf21("1","5","5","6","1","4","1","1") = "5"
    & skf21("1","5","5","6","1","4","2","1") = "5"
    & skf21("1","5","5","6","1","4","3","1") = "5"
    & skf21("1","5","5","6","1","4","4","1") = "5"
    & skf21("1","5","5","6","1","4","5","1") = "5"
    & skf21("1","5","5","6","1","4","6","1") = "5"
    & skf21("1","5","5","6","1","4","7","1") = "6"
    & skf21("1","5","5","6","1","5","1","1") = "5"
    & skf21("1","5","5","6","1","5","2","1") = "5"
    & skf21("1","5","5","6","1","5","3","1") = "5"
    & skf21("1","5","5","6","1","5","4","1") = "5"
    & skf21("1","5","5","6","1","5","5","1") = "5"
    & skf21("1","5","5","6","1","5","6","1") = "5"
    & skf21("1","5","5","6","1","5","7","1") = "6"
    & skf21("1","5","5","6","1","6","1","1") = "5"
    & skf21("1","5","5","6","1","6","2","1") = "5"
    & skf21("1","5","5","6","1","6","3","1") = "5"
    & skf21("1","5","5","6","1","6","4","1") = "5"
    & skf21("1","5","5","6","1","6","5","1") = "5"
    & skf21("1","5","5","6","1","6","6","1") = "5"
    & skf21("1","5","5","6","1","6","7","1") = "6"
    & skf21("1","5","5","6","1","7","1","1") = "6"
    & skf21("1","5","5","6","1","7","2","1") = "6"
    & skf21("1","5","5","6","1","7","3","1") = "6"
    & skf21("1","5","5","6","1","7","4","1") = "6"
    & skf21("1","5","5","6","1","7","5","1") = "6"
    & skf21("1","5","5","6","1","7","6","1") = "6"
    & skf21("1","5","5","6","1","7","7","1") = "6"
    & skf21("1","5","5","6","2","1","1","1") = "5"
    & skf21("1","5","5","6","2","1","2","1") = "5"
    & skf21("1","5","5","6","2","1","3","1") = "5"
    & skf21("1","5","5","6","2","1","4","1") = "5"
    & skf21("1","5","5","6","2","1","5","1") = "5"
    & skf21("1","5","5","6","2","1","6","1") = "5"
    & skf21("1","5","5","6","2","1","7","1") = "6"
    & skf21("1","5","5","6","2","2","1","1") = "5"
    & skf21("1","5","5","6","2","2","2","1") = "5"
    & skf21("1","5","5","6","2","2","3","1") = "5"
    & skf21("1","5","5","6","2","2","4","1") = "5"
    & skf21("1","5","5","6","2","2","5","1") = "5"
    & skf21("1","5","5","6","2","2","6","1") = "5"
    & skf21("1","5","5","6","2","2","7","1") = "6"
    & skf21("1","5","5","6","2","3","1","1") = "5"
    & skf21("1","5","5","6","2","3","2","1") = "5"
    & skf21("1","5","5","6","2","3","3","1") = "5"
    & skf21("1","5","5","6","2","3","4","1") = "5"
    & skf21("1","5","5","6","2","3","5","1") = "5"
    & skf21("1","5","5","6","2","3","6","1") = "5"
    & skf21("1","5","5","6","2","3","7","1") = "6"
    & skf21("1","5","5","6","2","4","1","1") = "5"
    & skf21("1","5","5","6","2","4","2","1") = "5"
    & skf21("1","5","5","6","2","4","3","1") = "5"
    & skf21("1","5","5","6","2","4","4","1") = "5"
    & skf21("1","5","5","6","2","4","5","1") = "5"
    & skf21("1","5","5","6","2","4","6","1") = "5"
    & skf21("1","5","5","6","2","4","7","1") = "6"
    & skf21("1","5","5","6","2","5","1","1") = "5"
    & skf21("1","5","5","6","2","5","2","1") = "5"
    & skf21("1","5","5","6","2","5","3","1") = "5"
    & skf21("1","5","5","6","2","5","4","1") = "5"
    & skf21("1","5","5","6","2","5","5","1") = "5"
    & skf21("1","5","5","6","2","5","6","1") = "5"
    & skf21("1","5","5","6","2","5","7","1") = "6"
    & skf21("1","5","5","6","2","6","1","1") = "5"
    & skf21("1","5","5","6","2","6","2","1") = "5"
    & skf21("1","5","5","6","2","6","3","1") = "5"
    & skf21("1","5","5","6","2","6","4","1") = "5"
    & skf21("1","5","5","6","2","6","5","1") = "5"
    & skf21("1","5","5","6","2","6","6","1") = "5"
    & skf21("1","5","5","6","2","6","7","1") = "6"
    & skf21("1","5","5","6","2","7","1","1") = "6"
    & skf21("1","5","5","6","2","7","2","1") = "6"
    & skf21("1","5","5","6","2","7","3","1") = "6"
    & skf21("1","5","5","6","2","7","4","1") = "6"
    & skf21("1","5","5","6","2","7","5","1") = "6"
    & skf21("1","5","5","6","2","7","6","1") = "6"
    & skf21("1","5","5","6","2","7","7","1") = "6"
    & skf21("1","5","5","6","3","1","1","1") = "5"
    & skf21("1","5","5","6","3","1","2","1") = "5"
    & skf21("1","5","5","6","3","1","3","1") = "5"
    & skf21("1","5","5","6","3","1","4","1") = "5"
    & skf21("1","5","5","6","3","1","5","1") = "5"
    & skf21("1","5","5","6","3","1","6","1") = "5"
    & skf21("1","5","5","6","3","1","7","1") = "6"
    & skf21("1","5","5","6","3","2","1","1") = "5"
    & skf21("1","5","5","6","3","2","2","1") = "5"
    & skf21("1","5","5","6","3","2","3","1") = "5"
    & skf21("1","5","5","6","3","2","4","1") = "5"
    & skf21("1","5","5","6","3","2","5","1") = "5"
    & skf21("1","5","5","6","3","2","6","1") = "5"
    & skf21("1","5","5","6","3","2","7","1") = "6"
    & skf21("1","5","5","6","3","3","1","1") = "5"
    & skf21("1","5","5","6","3","3","2","1") = "5"
    & skf21("1","5","5","6","3","3","3","1") = "5"
    & skf21("1","5","5","6","3","3","4","1") = "5"
    & skf21("1","5","5","6","3","3","5","1") = "5"
    & skf21("1","5","5","6","3","3","6","1") = "5"
    & skf21("1","5","5","6","3","3","7","1") = "6"
    & skf21("1","5","5","6","3","4","1","1") = "5"
    & skf21("1","5","5","6","3","4","2","1") = "5"
    & skf21("1","5","5","6","3","4","3","1") = "5"
    & skf21("1","5","5","6","3","4","4","1") = "5"
    & skf21("1","5","5","6","3","4","5","1") = "5"
    & skf21("1","5","5","6","3","4","6","1") = "5"
    & skf21("1","5","5","6","3","4","7","1") = "6"
    & skf21("1","5","5","6","3","5","1","1") = "5"
    & skf21("1","5","5","6","3","5","2","1") = "5"
    & skf21("1","5","5","6","3","5","3","1") = "5"
    & skf21("1","5","5","6","3","5","4","1") = "5"
    & skf21("1","5","5","6","3","5","5","1") = "5"
    & skf21("1","5","5","6","3","5","6","1") = "5"
    & skf21("1","5","5","6","3","5","7","1") = "6"
    & skf21("1","5","5","6","3","6","1","1") = "5"
    & skf21("1","5","5","6","3","6","2","1") = "5"
    & skf21("1","5","5","6","3","6","3","1") = "5"
    & skf21("1","5","5","6","3","6","4","1") = "5"
    & skf21("1","5","5","6","3","6","5","1") = "5"
    & skf21("1","5","5","6","3","6","6","1") = "5"
    & skf21("1","5","5","6","3","6","7","1") = "6"
    & skf21("1","5","5","6","3","7","1","1") = "6"
    & skf21("1","5","5","6","3","7","2","1") = "6"
    & skf21("1","5","5","6","3","7","3","1") = "6"
    & skf21("1","5","5","6","3","7","4","1") = "6"
    & skf21("1","5","5","6","3","7","5","1") = "6"
    & skf21("1","5","5","6","3","7","6","1") = "6"
    & skf21("1","5","5","6","3","7","7","1") = "6"
    & skf21("1","5","5","6","4","1","1","1") = "5"
    & skf21("1","5","5","6","4","1","2","1") = "5"
    & skf21("1","5","5","6","4","1","3","1") = "5"
    & skf21("1","5","5","6","4","1","4","1") = "5"
    & skf21("1","5","5","6","4","1","5","1") = "5"
    & skf21("1","5","5","6","4","1","6","1") = "5"
    & skf21("1","5","5","6","4","1","7","1") = "6"
    & skf21("1","5","5","6","4","2","1","1") = "5"
    & skf21("1","5","5","6","4","2","2","1") = "5"
    & skf21("1","5","5","6","4","2","3","1") = "5"
    & skf21("1","5","5","6","4","2","4","1") = "5"
    & skf21("1","5","5","6","4","2","5","1") = "5"
    & skf21("1","5","5","6","4","2","6","1") = "5"
    & skf21("1","5","5","6","4","2","7","1") = "6"
    & skf21("1","5","5","6","4","3","1","1") = "5"
    & skf21("1","5","5","6","4","3","2","1") = "5"
    & skf21("1","5","5","6","4","3","3","1") = "5"
    & skf21("1","5","5","6","4","3","4","1") = "5"
    & skf21("1","5","5","6","4","3","5","1") = "5"
    & skf21("1","5","5","6","4","3","6","1") = "5"
    & skf21("1","5","5","6","4","3","7","1") = "6"
    & skf21("1","5","5","6","4","4","1","1") = "5"
    & skf21("1","5","5","6","4","4","2","1") = "5"
    & skf21("1","5","5","6","4","4","3","1") = "5"
    & skf21("1","5","5","6","4","4","4","1") = "5"
    & skf21("1","5","5","6","4","4","5","1") = "5"
    & skf21("1","5","5","6","4","4","6","1") = "5"
    & skf21("1","5","5","6","4","4","7","1") = "6"
    & skf21("1","5","5","6","4","5","1","1") = "5"
    & skf21("1","5","5","6","4","5","2","1") = "5"
    & skf21("1","5","5","6","4","5","3","1") = "5"
    & skf21("1","5","5","6","4","5","4","1") = "5"
    & skf21("1","5","5","6","4","5","5","1") = "5"
    & skf21("1","5","5","6","4","5","6","1") = "5"
    & skf21("1","5","5","6","4","5","7","1") = "6"
    & skf21("1","5","5","6","4","6","1","1") = "5"
    & skf21("1","5","5","6","4","6","2","1") = "5"
    & skf21("1","5","5","6","4","6","3","1") = "5"
    & skf21("1","5","5","6","4","6","4","1") = "5"
    & skf21("1","5","5","6","4","6","5","1") = "5"
    & skf21("1","5","5","6","4","6","6","1") = "5"
    & skf21("1","5","5","6","4","6","7","1") = "6"
    & skf21("1","5","5","6","4","7","1","1") = "6"
    & skf21("1","5","5","6","4","7","2","1") = "6"
    & skf21("1","5","5","6","4","7","3","1") = "6"
    & skf21("1","5","5","6","4","7","4","1") = "6"
    & skf21("1","5","5","6","4","7","5","1") = "6"
    & skf21("1","5","5","6","4","7","6","1") = "6"
    & skf21("1","5","5","6","4","7","7","1") = "6"
    & skf21("1","5","5","6","5","1","1","1") = "5"
    & skf21("1","5","5","6","5","1","2","1") = "5"
    & skf21("1","5","5","6","5","1","3","1") = "5"
    & skf21("1","5","5","6","5","1","4","1") = "5"
    & skf21("1","5","5","6","5","1","5","1") = "5"
    & skf21("1","5","5","6","5","1","6","1") = "5"
    & skf21("1","5","5","6","5","1","7","1") = "6"
    & skf21("1","5","5","6","5","2","1","1") = "5"
    & skf21("1","5","5","6","5","2","2","1") = "5"
    & skf21("1","5","5","6","5","2","3","1") = "5"
    & skf21("1","5","5","6","5","2","4","1") = "5"
    & skf21("1","5","5","6","5","2","5","1") = "5"
    & skf21("1","5","5","6","5","2","6","1") = "5"
    & skf21("1","5","5","6","5","2","7","1") = "6"
    & skf21("1","5","5","6","5","3","1","1") = "5"
    & skf21("1","5","5","6","5","3","2","1") = "5"
    & skf21("1","5","5","6","5","3","3","1") = "5"
    & skf21("1","5","5","6","5","3","4","1") = "5"
    & skf21("1","5","5","6","5","3","5","1") = "5"
    & skf21("1","5","5","6","5","3","6","1") = "5"
    & skf21("1","5","5","6","5","3","7","1") = "6"
    & skf21("1","5","5","6","5","4","1","1") = "5"
    & skf21("1","5","5","6","5","4","2","1") = "5"
    & skf21("1","5","5","6","5","4","3","1") = "5"
    & skf21("1","5","5","6","5","4","4","1") = "5"
    & skf21("1","5","5","6","5","4","5","1") = "5"
    & skf21("1","5","5","6","5","4","6","1") = "5"
    & skf21("1","5","5","6","5","4","7","1") = "6"
    & skf21("1","5","5","6","5","5","1","1") = "5"
    & skf21("1","5","5","6","5","5","2","1") = "5"
    & skf21("1","5","5","6","5","5","3","1") = "5"
    & skf21("1","5","5","6","5","5","4","1") = "5"
    & skf21("1","5","5","6","5","5","5","1") = "5"
    & skf21("1","5","5","6","5","5","6","1") = "5"
    & skf21("1","5","5","6","5","5","7","1") = "6"
    & skf21("1","5","5","6","5","6","1","1") = "5"
    & skf21("1","5","5","6","5","6","2","1") = "5"
    & skf21("1","5","5","6","5","6","3","1") = "5"
    & skf21("1","5","5","6","5","6","4","1") = "5"
    & skf21("1","5","5","6","5","6","5","1") = "5"
    & skf21("1","5","5","6","5","6","6","1") = "5"
    & skf21("1","5","5","6","5","6","7","1") = "6"
    & skf21("1","5","5","6","5","7","1","1") = "6"
    & skf21("1","5","5","6","5","7","2","1") = "6"
    & skf21("1","5","5","6","5","7","3","1") = "6"
    & skf21("1","5","5","6","5","7","4","1") = "6"
    & skf21("1","5","5","6","5","7","5","1") = "6"
    & skf21("1","5","5","6","5","7","6","1") = "6"
    & skf21("1","5","5","6","5","7","7","1") = "6"
    & skf21("1","5","5","6","6","1","1","1") = "5"
    & skf21("1","5","5","6","6","1","2","1") = "5"
    & skf21("1","5","5","6","6","1","3","1") = "5"
    & skf21("1","5","5","6","6","1","4","1") = "5"
    & skf21("1","5","5","6","6","1","5","1") = "5"
    & skf21("1","5","5","6","6","1","6","1") = "5"
    & skf21("1","5","5","6","6","1","7","1") = "6"
    & skf21("1","5","5","6","6","2","1","1") = "5"
    & skf21("1","5","5","6","6","2","2","1") = "5"
    & skf21("1","5","5","6","6","2","3","1") = "5"
    & skf21("1","5","5","6","6","2","4","1") = "5"
    & skf21("1","5","5","6","6","2","5","1") = "5"
    & skf21("1","5","5","6","6","2","6","1") = "5"
    & skf21("1","5","5","6","6","2","7","1") = "6"
    & skf21("1","5","5","6","6","3","1","1") = "5"
    & skf21("1","5","5","6","6","3","2","1") = "5"
    & skf21("1","5","5","6","6","3","3","1") = "5"
    & skf21("1","5","5","6","6","3","4","1") = "5"
    & skf21("1","5","5","6","6","3","5","1") = "5"
    & skf21("1","5","5","6","6","3","6","1") = "5"
    & skf21("1","5","5","6","6","3","7","1") = "6"
    & skf21("1","5","5","6","6","4","1","1") = "5"
    & skf21("1","5","5","6","6","4","2","1") = "5"
    & skf21("1","5","5","6","6","4","3","1") = "5"
    & skf21("1","5","5","6","6","4","4","1") = "5"
    & skf21("1","5","5","6","6","4","5","1") = "5"
    & skf21("1","5","5","6","6","4","6","1") = "5"
    & skf21("1","5","5","6","6","4","7","1") = "6"
    & skf21("1","5","5","6","6","5","1","1") = "5"
    & skf21("1","5","5","6","6","5","2","1") = "5"
    & skf21("1","5","5","6","6","5","3","1") = "5"
    & skf21("1","5","5","6","6","5","4","1") = "5"
    & skf21("1","5","5","6","6","5","5","1") = "5"
    & skf21("1","5","5","6","6","5","6","1") = "5"
    & skf21("1","5","5","6","6","5","7","1") = "6"
    & skf21("1","5","5","6","6","6","1","1") = "5"
    & skf21("1","5","5","6","6","6","2","1") = "5"
    & skf21("1","5","5","6","6","6","3","1") = "5"
    & skf21("1","5","5","6","6","6","4","1") = "5"
    & skf21("1","5","5","6","6","6","5","1") = "5"
    & skf21("1","5","5","6","6","6","6","1") = "5"
    & skf21("1","5","5","6","6","6","7","1") = "6"
    & skf21("1","5","5","6","6","7","1","1") = "6"
    & skf21("1","5","5","6","6","7","2","1") = "6"
    & skf21("1","5","5","6","6","7","3","1") = "6"
    & skf21("1","5","5","6","6","7","4","1") = "6"
    & skf21("1","5","5","6","6","7","5","1") = "6"
    & skf21("1","5","5","6","6","7","6","1") = "6"
    & skf21("1","5","5","6","6","7","7","1") = "6"
    & skf21("1","5","5","6","7","1","1","1") = "6"
    & skf21("1","5","5","6","7","1","2","1") = "6"
    & skf21("1","5","5","6","7","1","3","1") = "6"
    & skf21("1","5","5","6","7","1","4","1") = "6"
    & skf21("1","5","5","6","7","1","5","1") = "6"
    & skf21("1","5","5","6","7","1","6","1") = "6"
    & skf21("1","5","5","6","7","1","7","1") = "6"
    & skf21("1","5","5","6","7","2","1","1") = "6"
    & skf21("1","5","5","6","7","2","2","1") = "6"
    & skf21("1","5","5","6","7","2","3","1") = "6"
    & skf21("1","5","5","6","7","2","4","1") = "6"
    & skf21("1","5","5","6","7","2","5","1") = "6"
    & skf21("1","5","5","6","7","2","6","1") = "6"
    & skf21("1","5","5","6","7","2","7","1") = "6"
    & skf21("1","5","5","6","7","3","1","1") = "6"
    & skf21("1","5","5","6","7","3","2","1") = "6"
    & skf21("1","5","5","6","7","3","3","1") = "6"
    & skf21("1","5","5","6","7","3","4","1") = "6"
    & skf21("1","5","5","6","7","3","5","1") = "6"
    & skf21("1","5","5","6","7","3","6","1") = "6"
    & skf21("1","5","5","6","7","3","7","1") = "6"
    & skf21("1","5","5","6","7","4","1","1") = "6"
    & skf21("1","5","5","6","7","4","2","1") = "6"
    & skf21("1","5","5","6","7","4","3","1") = "6"
    & skf21("1","5","5","6","7","4","4","1") = "6"
    & skf21("1","5","5","6","7","4","5","1") = "6"
    & skf21("1","5","5","6","7","4","6","1") = "6"
    & skf21("1","5","5","6","7","4","7","1") = "6"
    & skf21("1","5","5","6","7","5","1","1") = "6"
    & skf21("1","5","5","6","7","5","2","1") = "6"
    & skf21("1","5","5","6","7","5","3","1") = "6"
    & skf21("1","5","5","6","7","5","4","1") = "6"
    & skf21("1","5","5","6","7","5","5","1") = "6"
    & skf21("1","5","5","6","7","5","6","1") = "6"
    & skf21("1","5","5","6","7","5","7","1") = "6"
    & skf21("1","5","5","6","7","6","1","1") = "6"
    & skf21("1","5","5","6","7","6","2","1") = "6"
    & skf21("1","5","5","6","7","6","3","1") = "6"
    & skf21("1","5","5","6","7","6","4","1") = "6"
    & skf21("1","5","5","6","7","6","5","1") = "6"
    & skf21("1","5","5","6","7","6","6","1") = "6"
    & skf21("1","5","5","6","7","6","7","1") = "6"
    & skf21("1","5","5","6","7","7","1","1") = "6"
    & skf21("1","5","5","6","7","7","2","1") = "6"
    & skf21("1","5","5","6","7","7","3","1") = "6"
    & skf21("1","5","5","6","7","7","4","1") = "6"
    & skf21("1","5","5","6","7","7","5","1") = "6"
    & skf21("1","5","5","6","7","7","6","1") = "6"
    & skf21("1","5","5","6","7","7","7","1") = "6"
    & skf21("1","5","5","7","1","1","1","1") = "6"
    & skf21("1","5","5","7","1","1","2","1") = "6"
    & skf21("1","5","5","7","1","1","3","1") = "6"
    & skf21("1","5","5","7","1","1","4","1") = "6"
    & skf21("1","5","5","7","1","1","5","1") = "6"
    & skf21("1","5","5","7","1","1","6","1") = "6"
    & skf21("1","5","5","7","1","1","7","1") = "6"
    & skf21("1","5","5","7","1","2","1","1") = "6"
    & skf21("1","5","5","7","1","2","2","1") = "6"
    & skf21("1","5","5","7","1","2","3","1") = "6"
    & skf21("1","5","5","7","1","2","4","1") = "6"
    & skf21("1","5","5","7","1","2","5","1") = "6"
    & skf21("1","5","5","7","1","2","6","1") = "6"
    & skf21("1","5","5","7","1","2","7","1") = "6"
    & skf21("1","5","5","7","1","3","1","1") = "6"
    & skf21("1","5","5","7","1","3","2","1") = "6"
    & skf21("1","5","5","7","1","3","3","1") = "6"
    & skf21("1","5","5","7","1","3","4","1") = "6"
    & skf21("1","5","5","7","1","3","5","1") = "6"
    & skf21("1","5","5","7","1","3","6","1") = "6"
    & skf21("1","5","5","7","1","3","7","1") = "6"
    & skf21("1","5","5","7","1","4","1","1") = "6"
    & skf21("1","5","5","7","1","4","2","1") = "6"
    & skf21("1","5","5","7","1","4","3","1") = "6"
    & skf21("1","5","5","7","1","4","4","1") = "6"
    & skf21("1","5","5","7","1","4","5","1") = "6"
    & skf21("1","5","5","7","1","4","6","1") = "6"
    & skf21("1","5","5","7","1","4","7","1") = "6"
    & skf21("1","5","5","7","1","5","1","1") = "6"
    & skf21("1","5","5","7","1","5","2","1") = "6"
    & skf21("1","5","5","7","1","5","3","1") = "6"
    & skf21("1","5","5","7","1","5","4","1") = "6"
    & skf21("1","5","5","7","1","5","5","1") = "6"
    & skf21("1","5","5","7","1","5","6","1") = "6"
    & skf21("1","5","5","7","1","5","7","1") = "6"
    & skf21("1","5","5","7","1","6","1","1") = "6"
    & skf21("1","5","5","7","1","6","2","1") = "6"
    & skf21("1","5","5","7","1","6","3","1") = "6"
    & skf21("1","5","5","7","1","6","4","1") = "6"
    & skf21("1","5","5","7","1","6","5","1") = "6"
    & skf21("1","5","5","7","1","6","6","1") = "6"
    & skf21("1","5","5","7","1","6","7","1") = "6"
    & skf21("1","5","5","7","1","7","1","1") = "6"
    & skf21("1","5","5","7","1","7","2","1") = "6"
    & skf21("1","5","5","7","1","7","3","1") = "6"
    & skf21("1","5","5","7","1","7","4","1") = "6"
    & skf21("1","5","5","7","1","7","5","1") = "6"
    & skf21("1","5","5","7","1","7","6","1") = "6"
    & skf21("1","5","5","7","1","7","7","1") = "6"
    & skf21("1","5","5","7","2","1","1","1") = "6"
    & skf21("1","5","5","7","2","1","2","1") = "6"
    & skf21("1","5","5","7","2","1","3","1") = "6"
    & skf21("1","5","5","7","2","1","4","1") = "6"
    & skf21("1","5","5","7","2","1","5","1") = "6"
    & skf21("1","5","5","7","2","1","6","1") = "6"
    & skf21("1","5","5","7","2","1","7","1") = "6"
    & skf21("1","5","5","7","2","2","1","1") = "6"
    & skf21("1","5","5","7","2","2","2","1") = "6"
    & skf21("1","5","5","7","2","2","3","1") = "6"
    & skf21("1","5","5","7","2","2","4","1") = "6"
    & skf21("1","5","5","7","2","2","5","1") = "6"
    & skf21("1","5","5","7","2","2","6","1") = "6"
    & skf21("1","5","5","7","2","2","7","1") = "6"
    & skf21("1","5","5","7","2","3","1","1") = "6"
    & skf21("1","5","5","7","2","3","2","1") = "6"
    & skf21("1","5","5","7","2","3","3","1") = "6"
    & skf21("1","5","5","7","2","3","4","1") = "6"
    & skf21("1","5","5","7","2","3","5","1") = "6"
    & skf21("1","5","5","7","2","3","6","1") = "6"
    & skf21("1","5","5","7","2","3","7","1") = "6"
    & skf21("1","5","5","7","2","4","1","1") = "6"
    & skf21("1","5","5","7","2","4","2","1") = "6"
    & skf21("1","5","5","7","2","4","3","1") = "6"
    & skf21("1","5","5","7","2","4","4","1") = "6"
    & skf21("1","5","5","7","2","4","5","1") = "6"
    & skf21("1","5","5","7","2","4","6","1") = "6"
    & skf21("1","5","5","7","2","4","7","1") = "6"
    & skf21("1","5","5","7","2","5","1","1") = "6"
    & skf21("1","5","5","7","2","5","2","1") = "6"
    & skf21("1","5","5","7","2","5","3","1") = "6"
    & skf21("1","5","5","7","2","5","4","1") = "6"
    & skf21("1","5","5","7","2","5","5","1") = "6"
    & skf21("1","5","5","7","2","5","6","1") = "6"
    & skf21("1","5","5","7","2","5","7","1") = "6"
    & skf21("1","5","5","7","2","6","1","1") = "6"
    & skf21("1","5","5","7","2","6","2","1") = "6"
    & skf21("1","5","5","7","2","6","3","1") = "6"
    & skf21("1","5","5","7","2","6","4","1") = "6"
    & skf21("1","5","5","7","2","6","5","1") = "6"
    & skf21("1","5","5","7","2","6","6","1") = "6"
    & skf21("1","5","5","7","2","6","7","1") = "6"
    & skf21("1","5","5","7","2","7","1","1") = "6"
    & skf21("1","5","5","7","2","7","2","1") = "6"
    & skf21("1","5","5","7","2","7","3","1") = "6"
    & skf21("1","5","5","7","2","7","4","1") = "6"
    & skf21("1","5","5","7","2","7","5","1") = "6"
    & skf21("1","5","5","7","2","7","6","1") = "6"
    & skf21("1","5","5","7","2","7","7","1") = "6"
    & skf21("1","5","5","7","3","1","1","1") = "6"
    & skf21("1","5","5","7","3","1","2","1") = "6"
    & skf21("1","5","5","7","3","1","3","1") = "6"
    & skf21("1","5","5","7","3","1","4","1") = "6"
    & skf21("1","5","5","7","3","1","5","1") = "6"
    & skf21("1","5","5","7","3","1","6","1") = "6"
    & skf21("1","5","5","7","3","1","7","1") = "6"
    & skf21("1","5","5","7","3","2","1","1") = "6"
    & skf21("1","5","5","7","3","2","2","1") = "6"
    & skf21("1","5","5","7","3","2","3","1") = "6"
    & skf21("1","5","5","7","3","2","4","1") = "6"
    & skf21("1","5","5","7","3","2","5","1") = "6"
    & skf21("1","5","5","7","3","2","6","1") = "6"
    & skf21("1","5","5","7","3","2","7","1") = "6"
    & skf21("1","5","5","7","3","3","1","1") = "6"
    & skf21("1","5","5","7","3","3","2","1") = "6"
    & skf21("1","5","5","7","3","3","3","1") = "6"
    & skf21("1","5","5","7","3","3","4","1") = "6"
    & skf21("1","5","5","7","3","3","5","1") = "6"
    & skf21("1","5","5","7","3","3","6","1") = "6"
    & skf21("1","5","5","7","3","3","7","1") = "6"
    & skf21("1","5","5","7","3","4","1","1") = "6"
    & skf21("1","5","5","7","3","4","2","1") = "6"
    & skf21("1","5","5","7","3","4","3","1") = "6"
    & skf21("1","5","5","7","3","4","4","1") = "6"
    & skf21("1","5","5","7","3","4","5","1") = "6"
    & skf21("1","5","5","7","3","4","6","1") = "6"
    & skf21("1","5","5","7","3","4","7","1") = "6"
    & skf21("1","5","5","7","3","5","1","1") = "6"
    & skf21("1","5","5","7","3","5","2","1") = "6"
    & skf21("1","5","5","7","3","5","3","1") = "6"
    & skf21("1","5","5","7","3","5","4","1") = "6"
    & skf21("1","5","5","7","3","5","5","1") = "6"
    & skf21("1","5","5","7","3","5","6","1") = "6"
    & skf21("1","5","5","7","3","5","7","1") = "6"
    & skf21("1","5","5","7","3","6","1","1") = "6"
    & skf21("1","5","5","7","3","6","2","1") = "6"
    & skf21("1","5","5","7","3","6","3","1") = "6"
    & skf21("1","5","5","7","3","6","4","1") = "6"
    & skf21("1","5","5","7","3","6","5","1") = "6"
    & skf21("1","5","5","7","3","6","6","1") = "6"
    & skf21("1","5","5","7","3","6","7","1") = "6"
    & skf21("1","5","5","7","3","7","1","1") = "6"
    & skf21("1","5","5","7","3","7","2","1") = "6"
    & skf21("1","5","5","7","3","7","3","1") = "6"
    & skf21("1","5","5","7","3","7","4","1") = "6"
    & skf21("1","5","5","7","3","7","5","1") = "6"
    & skf21("1","5","5","7","3","7","6","1") = "6"
    & skf21("1","5","5","7","3","7","7","1") = "6"
    & skf21("1","5","5","7","4","1","1","1") = "6"
    & skf21("1","5","5","7","4","1","2","1") = "6"
    & skf21("1","5","5","7","4","1","3","1") = "6"
    & skf21("1","5","5","7","4","1","4","1") = "6"
    & skf21("1","5","5","7","4","1","5","1") = "6"
    & skf21("1","5","5","7","4","1","6","1") = "6"
    & skf21("1","5","5","7","4","1","7","1") = "6"
    & skf21("1","5","5","7","4","2","1","1") = "6"
    & skf21("1","5","5","7","4","2","2","1") = "6"
    & skf21("1","5","5","7","4","2","3","1") = "6"
    & skf21("1","5","5","7","4","2","4","1") = "6"
    & skf21("1","5","5","7","4","2","5","1") = "6"
    & skf21("1","5","5","7","4","2","6","1") = "6"
    & skf21("1","5","5","7","4","2","7","1") = "6"
    & skf21("1","5","5","7","4","3","1","1") = "6"
    & skf21("1","5","5","7","4","3","2","1") = "6"
    & skf21("1","5","5","7","4","3","3","1") = "6"
    & skf21("1","5","5","7","4","3","4","1") = "6"
    & skf21("1","5","5","7","4","3","5","1") = "6"
    & skf21("1","5","5","7","4","3","6","1") = "6"
    & skf21("1","5","5","7","4","3","7","1") = "6"
    & skf21("1","5","5","7","4","4","1","1") = "6"
    & skf21("1","5","5","7","4","4","2","1") = "6"
    & skf21("1","5","5","7","4","4","3","1") = "6"
    & skf21("1","5","5","7","4","4","4","1") = "6"
    & skf21("1","5","5","7","4","4","5","1") = "6"
    & skf21("1","5","5","7","4","4","6","1") = "6"
    & skf21("1","5","5","7","4","4","7","1") = "6"
    & skf21("1","5","5","7","4","5","1","1") = "6"
    & skf21("1","5","5","7","4","5","2","1") = "6"
    & skf21("1","5","5","7","4","5","3","1") = "6"
    & skf21("1","5","5","7","4","5","4","1") = "6"
    & skf21("1","5","5","7","4","5","5","1") = "6"
    & skf21("1","5","5","7","4","5","6","1") = "6"
    & skf21("1","5","5","7","4","5","7","1") = "6"
    & skf21("1","5","5","7","4","6","1","1") = "6"
    & skf21("1","5","5","7","4","6","2","1") = "6"
    & skf21("1","5","5","7","4","6","3","1") = "6"
    & skf21("1","5","5","7","4","6","4","1") = "6"
    & skf21("1","5","5","7","4","6","5","1") = "6"
    & skf21("1","5","5","7","4","6","6","1") = "6"
    & skf21("1","5","5","7","4","6","7","1") = "6"
    & skf21("1","5","5","7","4","7","1","1") = "6"
    & skf21("1","5","5","7","4","7","2","1") = "6"
    & skf21("1","5","5","7","4","7","3","1") = "6"
    & skf21("1","5","5","7","4","7","4","1") = "6"
    & skf21("1","5","5","7","4","7","5","1") = "6"
    & skf21("1","5","5","7","4","7","6","1") = "6"
    & skf21("1","5","5","7","4","7","7","1") = "6"
    & skf21("1","5","5","7","5","1","1","1") = "6"
    & skf21("1","5","5","7","5","1","2","1") = "6"
    & skf21("1","5","5","7","5","1","3","1") = "6"
    & skf21("1","5","5","7","5","1","4","1") = "6"
    & skf21("1","5","5","7","5","1","5","1") = "6"
    & skf21("1","5","5","7","5","1","6","1") = "6"
    & skf21("1","5","5","7","5","1","7","1") = "6"
    & skf21("1","5","5","7","5","2","1","1") = "6"
    & skf21("1","5","5","7","5","2","2","1") = "6"
    & skf21("1","5","5","7","5","2","3","1") = "6"
    & skf21("1","5","5","7","5","2","4","1") = "6"
    & skf21("1","5","5","7","5","2","5","1") = "6"
    & skf21("1","5","5","7","5","2","6","1") = "6"
    & skf21("1","5","5","7","5","2","7","1") = "6"
    & skf21("1","5","5","7","5","3","1","1") = "6"
    & skf21("1","5","5","7","5","3","2","1") = "6"
    & skf21("1","5","5","7","5","3","3","1") = "6"
    & skf21("1","5","5","7","5","3","4","1") = "6"
    & skf21("1","5","5","7","5","3","5","1") = "6"
    & skf21("1","5","5","7","5","3","6","1") = "6"
    & skf21("1","5","5","7","5","3","7","1") = "6"
    & skf21("1","5","5","7","5","4","1","1") = "6"
    & skf21("1","5","5","7","5","4","2","1") = "6"
    & skf21("1","5","5","7","5","4","3","1") = "6"
    & skf21("1","5","5","7","5","4","4","1") = "6"
    & skf21("1","5","5","7","5","4","5","1") = "6"
    & skf21("1","5","5","7","5","4","6","1") = "6"
    & skf21("1","5","5","7","5","4","7","1") = "6"
    & skf21("1","5","5","7","5","5","1","1") = "6"
    & skf21("1","5","5","7","5","5","2","1") = "6"
    & skf21("1","5","5","7","5","5","3","1") = "6"
    & skf21("1","5","5","7","5","5","4","1") = "6"
    & skf21("1","5","5","7","5","5","5","1") = "6"
    & skf21("1","5","5","7","5","5","6","1") = "6"
    & skf21("1","5","5","7","5","5","7","1") = "6"
    & skf21("1","5","5","7","5","6","1","1") = "6"
    & skf21("1","5","5","7","5","6","2","1") = "6"
    & skf21("1","5","5","7","5","6","3","1") = "6"
    & skf21("1","5","5","7","5","6","4","1") = "6"
    & skf21("1","5","5","7","5","6","5","1") = "6"
    & skf21("1","5","5","7","5","6","6","1") = "6"
    & skf21("1","5","5","7","5","6","7","1") = "6"
    & skf21("1","5","5","7","5","7","1","1") = "6"
    & skf21("1","5","5","7","5","7","2","1") = "6"
    & skf21("1","5","5","7","5","7","3","1") = "6"
    & skf21("1","5","5","7","5","7","4","1") = "6"
    & skf21("1","5","5","7","5","7","5","1") = "6"
    & skf21("1","5","5","7","5","7","6","1") = "6"
    & skf21("1","5","5","7","5","7","7","1") = "6"
    & skf21("1","5","5","7","6","1","1","1") = "6"
    & skf21("1","5","5","7","6","1","2","1") = "6"
    & skf21("1","5","5","7","6","1","3","1") = "6"
    & skf21("1","5","5","7","6","1","4","1") = "6"
    & skf21("1","5","5","7","6","1","5","1") = "6"
    & skf21("1","5","5","7","6","1","6","1") = "6"
    & skf21("1","5","5","7","6","1","7","1") = "6"
    & skf21("1","5","5","7","6","2","1","1") = "6"
    & skf21("1","5","5","7","6","2","2","1") = "6"
    & skf21("1","5","5","7","6","2","3","1") = "6"
    & skf21("1","5","5","7","6","2","4","1") = "6"
    & skf21("1","5","5","7","6","2","5","1") = "6"
    & skf21("1","5","5","7","6","2","6","1") = "6"
    & skf21("1","5","5","7","6","2","7","1") = "6"
    & skf21("1","5","5","7","6","3","1","1") = "6"
    & skf21("1","5","5","7","6","3","2","1") = "6"
    & skf21("1","5","5","7","6","3","3","1") = "6"
    & skf21("1","5","5","7","6","3","4","1") = "6"
    & skf21("1","5","5","7","6","3","5","1") = "6"
    & skf21("1","5","5","7","6","3","6","1") = "6"
    & skf21("1","5","5","7","6","3","7","1") = "6"
    & skf21("1","5","5","7","6","4","1","1") = "6"
    & skf21("1","5","5","7","6","4","2","1") = "6"
    & skf21("1","5","5","7","6","4","3","1") = "6"
    & skf21("1","5","5","7","6","4","4","1") = "6"
    & skf21("1","5","5","7","6","4","5","1") = "6"
    & skf21("1","5","5","7","6","4","6","1") = "6"
    & skf21("1","5","5","7","6","4","7","1") = "6"
    & skf21("1","5","5","7","6","5","1","1") = "6"
    & skf21("1","5","5","7","6","5","2","1") = "6"
    & skf21("1","5","5","7","6","5","3","1") = "6"
    & skf21("1","5","5","7","6","5","4","1") = "6"
    & skf21("1","5","5","7","6","5","5","1") = "6"
    & skf21("1","5","5","7","6","5","6","1") = "6"
    & skf21("1","5","5","7","6","5","7","1") = "6"
    & skf21("1","5","5","7","6","6","1","1") = "6"
    & skf21("1","5","5","7","6","6","2","1") = "6"
    & skf21("1","5","5","7","6","6","3","1") = "6"
    & skf21("1","5","5","7","6","6","4","1") = "6"
    & skf21("1","5","5","7","6","6","5","1") = "6"
    & skf21("1","5","5","7","6","6","6","1") = "6"
    & skf21("1","5","5","7","6","6","7","1") = "6"
    & skf21("1","5","5","7","6","7","1","1") = "6"
    & skf21("1","5","5","7","6","7","2","1") = "6"
    & skf21("1","5","5","7","6","7","3","1") = "6"
    & skf21("1","5","5","7","6","7","4","1") = "6"
    & skf21("1","5","5","7","6","7","5","1") = "6"
    & skf21("1","5","5","7","6","7","6","1") = "6"
    & skf21("1","5","5","7","6","7","7","1") = "6"
    & skf21("1","5","5","7","7","1","1","1") = "6"
    & skf21("1","5","5","7","7","1","2","1") = "6"
    & skf21("1","5","5","7","7","1","3","1") = "6"
    & skf21("1","5","5","7","7","1","4","1") = "6"
    & skf21("1","5","5","7","7","1","5","1") = "6"
    & skf21("1","5","5","7","7","1","6","1") = "6"
    & skf21("1","5","5","7","7","1","7","1") = "6"
    & skf21("1","5","5","7","7","2","1","1") = "6"
    & skf21("1","5","5","7","7","2","2","1") = "6"
    & skf21("1","5","5","7","7","2","3","1") = "6"
    & skf21("1","5","5","7","7","2","4","1") = "6"
    & skf21("1","5","5","7","7","2","5","1") = "6"
    & skf21("1","5","5","7","7","2","6","1") = "6"
    & skf21("1","5","5","7","7","2","7","1") = "6"
    & skf21("1","5","5","7","7","3","1","1") = "6"
    & skf21("1","5","5","7","7","3","2","1") = "6"
    & skf21("1","5","5","7","7","3","3","1") = "6"
    & skf21("1","5","5","7","7","3","4","1") = "6"
    & skf21("1","5","5","7","7","3","5","1") = "6"
    & skf21("1","5","5","7","7","3","6","1") = "6"
    & skf21("1","5","5","7","7","3","7","1") = "6"
    & skf21("1","5","5","7","7","4","1","1") = "6"
    & skf21("1","5","5","7","7","4","2","1") = "6"
    & skf21("1","5","5","7","7","4","3","1") = "6"
    & skf21("1","5","5","7","7","4","4","1") = "6"
    & skf21("1","5","5","7","7","4","5","1") = "6"
    & skf21("1","5","5","7","7","4","6","1") = "6"
    & skf21("1","5","5","7","7","4","7","1") = "6"
    & skf21("1","5","5","7","7","5","1","1") = "6"
    & skf21("1","5","5","7","7","5","2","1") = "6"
    & skf21("1","5","5","7","7","5","3","1") = "6"
    & skf21("1","5","5","7","7","5","4","1") = "6"
    & skf21("1","5","5","7","7","5","5","1") = "6"
    & skf21("1","5","5","7","7","5","6","1") = "6"
    & skf21("1","5","5","7","7","5","7","1") = "6"
    & skf21("1","5","5","7","7","6","1","1") = "6"
    & skf21("1","5","5","7","7","6","2","1") = "6"
    & skf21("1","5","5","7","7","6","3","1") = "6"
    & skf21("1","5","5","7","7","6","4","1") = "6"
    & skf21("1","5","5","7","7","6","5","1") = "6"
    & skf21("1","5","5","7","7","6","6","1") = "6"
    & skf21("1","5","5","7","7","6","7","1") = "6"
    & skf21("1","5","5","7","7","7","1","1") = "6"
    & skf21("1","5","5","7","7","7","2","1") = "6"
    & skf21("1","5","5","7","7","7","3","1") = "6"
    & skf21("1","5","5","7","7","7","4","1") = "6"
    & skf21("1","5","5","7","7","7","5","1") = "6"
    & skf21("1","5","5","7","7","7","6","1") = "6"
    & skf21("1","5","5","7","7","7","7","1") = "6"
    & skf21("1","5","6","1","1","1","1","1") = "5"
    & skf21("1","5","6","1","1","1","2","1") = "5"
    & skf21("1","5","6","1","1","1","3","1") = "5"
    & skf21("1","5","6","1","1","1","4","1") = "5"
    & skf21("1","5","6","1","1","1","5","1") = "5"
    & skf21("1","5","6","1","1","1","6","1") = "5"
    & skf21("1","5","6","1","1","1","7","1") = "6"
    & skf21("1","5","6","1","1","2","1","1") = "5"
    & skf21("1","5","6","1","1","2","2","1") = "5"
    & skf21("1","5","6","1","1","2","3","1") = "5"
    & skf21("1","5","6","1","1","2","4","1") = "5"
    & skf21("1","5","6","1","1","2","5","1") = "5"
    & skf21("1","5","6","1","1","2","6","1") = "5"
    & skf21("1","5","6","1","1","2","7","1") = "6"
    & skf21("1","5","6","1","1","3","1","1") = "5"
    & skf21("1","5","6","1","1","3","2","1") = "5"
    & skf21("1","5","6","1","1","3","3","1") = "5"
    & skf21("1","5","6","1","1","3","4","1") = "5"
    & skf21("1","5","6","1","1","3","5","1") = "5"
    & skf21("1","5","6","1","1","3","6","1") = "5"
    & skf21("1","5","6","1","1","3","7","1") = "6"
    & skf21("1","5","6","1","1","4","1","1") = "5"
    & skf21("1","5","6","1","1","4","2","1") = "5"
    & skf21("1","5","6","1","1","4","3","1") = "5"
    & skf21("1","5","6","1","1","4","4","1") = "5"
    & skf21("1","5","6","1","1","4","5","1") = "5"
    & skf21("1","5","6","1","1","4","6","1") = "5"
    & skf21("1","5","6","1","1","4","7","1") = "6"
    & skf21("1","5","6","1","1","5","1","1") = "5"
    & skf21("1","5","6","1","1","5","2","1") = "5"
    & skf21("1","5","6","1","1","5","3","1") = "5"
    & skf21("1","5","6","1","1","5","4","1") = "5"
    & skf21("1","5","6","1","1","5","5","1") = "5"
    & skf21("1","5","6","1","1","5","6","1") = "5"
    & skf21("1","5","6","1","1","5","7","1") = "6"
    & skf21("1","5","6","1","1","6","1","1") = "5"
    & skf21("1","5","6","1","1","6","2","1") = "5"
    & skf21("1","5","6","1","1","6","3","1") = "5"
    & skf21("1","5","6","1","1","6","4","1") = "5"
    & skf21("1","5","6","1","1","6","5","1") = "5"
    & skf21("1","5","6","1","1","6","6","1") = "5"
    & skf21("1","5","6","1","1","6","7","1") = "6"
    & skf21("1","5","6","1","1","7","1","1") = "6"
    & skf21("1","5","6","1","1","7","2","1") = "6"
    & skf21("1","5","6","1","1","7","3","1") = "6"
    & skf21("1","5","6","1","1","7","4","1") = "6"
    & skf21("1","5","6","1","1","7","5","1") = "6"
    & skf21("1","5","6","1","1","7","6","1") = "6"
    & skf21("1","5","6","1","1","7","7","1") = "6"
    & skf21("1","5","6","1","2","1","1","1") = "5"
    & skf21("1","5","6","1","2","1","2","1") = "5"
    & skf21("1","5","6","1","2","1","3","1") = "5"
    & skf21("1","5","6","1","2","1","4","1") = "5"
    & skf21("1","5","6","1","2","1","5","1") = "5"
    & skf21("1","5","6","1","2","1","6","1") = "5"
    & skf21("1","5","6","1","2","1","7","1") = "6"
    & skf21("1","5","6","1","2","2","1","1") = "5"
    & skf21("1","5","6","1","2","2","2","1") = "5"
    & skf21("1","5","6","1","2","2","3","1") = "5"
    & skf21("1","5","6","1","2","2","4","1") = "5"
    & skf21("1","5","6","1","2","2","5","1") = "5"
    & skf21("1","5","6","1","2","2","6","1") = "5"
    & skf21("1","5","6","1","2","2","7","1") = "6"
    & skf21("1","5","6","1","2","3","1","1") = "5"
    & skf21("1","5","6","1","2","3","2","1") = "5"
    & skf21("1","5","6","1","2","3","3","1") = "5"
    & skf21("1","5","6","1","2","3","4","1") = "5"
    & skf21("1","5","6","1","2","3","5","1") = "5"
    & skf21("1","5","6","1","2","3","6","1") = "5"
    & skf21("1","5","6","1","2","3","7","1") = "6"
    & skf21("1","5","6","1","2","4","1","1") = "5"
    & skf21("1","5","6","1","2","4","2","1") = "5"
    & skf21("1","5","6","1","2","4","3","1") = "5"
    & skf21("1","5","6","1","2","4","4","1") = "5"
    & skf21("1","5","6","1","2","4","5","1") = "5"
    & skf21("1","5","6","1","2","4","6","1") = "5"
    & skf21("1","5","6","1","2","4","7","1") = "6"
    & skf21("1","5","6","1","2","5","1","1") = "5"
    & skf21("1","5","6","1","2","5","2","1") = "5"
    & skf21("1","5","6","1","2","5","3","1") = "5"
    & skf21("1","5","6","1","2","5","4","1") = "5"
    & skf21("1","5","6","1","2","5","5","1") = "5"
    & skf21("1","5","6","1","2","5","6","1") = "5"
    & skf21("1","5","6","1","2","5","7","1") = "6"
    & skf21("1","5","6","1","2","6","1","1") = "5"
    & skf21("1","5","6","1","2","6","2","1") = "5"
    & skf21("1","5","6","1","2","6","3","1") = "5"
    & skf21("1","5","6","1","2","6","4","1") = "5"
    & skf21("1","5","6","1","2","6","5","1") = "5"
    & skf21("1","5","6","1","2","6","6","1") = "5"
    & skf21("1","5","6","1","2","6","7","1") = "6"
    & skf21("1","5","6","1","2","7","1","1") = "6"
    & skf21("1","5","6","1","2","7","2","1") = "6"
    & skf21("1","5","6","1","2","7","3","1") = "6"
    & skf21("1","5","6","1","2","7","4","1") = "6"
    & skf21("1","5","6","1","2","7","5","1") = "6"
    & skf21("1","5","6","1","2","7","6","1") = "6"
    & skf21("1","5","6","1","2","7","7","1") = "6"
    & skf21("1","5","6","1","3","1","1","1") = "5"
    & skf21("1","5","6","1","3","1","2","1") = "5"
    & skf21("1","5","6","1","3","1","3","1") = "5"
    & skf21("1","5","6","1","3","1","4","1") = "5"
    & skf21("1","5","6","1","3","1","5","1") = "5"
    & skf21("1","5","6","1","3","1","6","1") = "5"
    & skf21("1","5","6","1","3","1","7","1") = "6"
    & skf21("1","5","6","1","3","2","1","1") = "5"
    & skf21("1","5","6","1","3","2","2","1") = "5"
    & skf21("1","5","6","1","3","2","3","1") = "5"
    & skf21("1","5","6","1","3","2","4","1") = "5"
    & skf21("1","5","6","1","3","2","5","1") = "5"
    & skf21("1","5","6","1","3","2","6","1") = "5"
    & skf21("1","5","6","1","3","2","7","1") = "6"
    & skf21("1","5","6","1","3","3","1","1") = "5"
    & skf21("1","5","6","1","3","3","2","1") = "5"
    & skf21("1","5","6","1","3","3","3","1") = "5"
    & skf21("1","5","6","1","3","3","4","1") = "5"
    & skf21("1","5","6","1","3","3","5","1") = "5"
    & skf21("1","5","6","1","3","3","6","1") = "5"
    & skf21("1","5","6","1","3","3","7","1") = "6"
    & skf21("1","5","6","1","3","4","1","1") = "5"
    & skf21("1","5","6","1","3","4","2","1") = "5"
    & skf21("1","5","6","1","3","4","3","1") = "5"
    & skf21("1","5","6","1","3","4","4","1") = "5"
    & skf21("1","5","6","1","3","4","5","1") = "5"
    & skf21("1","5","6","1","3","4","6","1") = "5"
    & skf21("1","5","6","1","3","4","7","1") = "6"
    & skf21("1","5","6","1","3","5","1","1") = "5"
    & skf21("1","5","6","1","3","5","2","1") = "5"
    & skf21("1","5","6","1","3","5","3","1") = "5"
    & skf21("1","5","6","1","3","5","4","1") = "5"
    & skf21("1","5","6","1","3","5","5","1") = "5"
    & skf21("1","5","6","1","3","5","6","1") = "5"
    & skf21("1","5","6","1","3","5","7","1") = "6"
    & skf21("1","5","6","1","3","6","1","1") = "5"
    & skf21("1","5","6","1","3","6","2","1") = "5"
    & skf21("1","5","6","1","3","6","3","1") = "5"
    & skf21("1","5","6","1","3","6","4","1") = "5"
    & skf21("1","5","6","1","3","6","5","1") = "5"
    & skf21("1","5","6","1","3","6","6","1") = "5"
    & skf21("1","5","6","1","3","6","7","1") = "6"
    & skf21("1","5","6","1","3","7","1","1") = "6"
    & skf21("1","5","6","1","3","7","2","1") = "6"
    & skf21("1","5","6","1","3","7","3","1") = "6"
    & skf21("1","5","6","1","3","7","4","1") = "6"
    & skf21("1","5","6","1","3","7","5","1") = "6"
    & skf21("1","5","6","1","3","7","6","1") = "6"
    & skf21("1","5","6","1","3","7","7","1") = "6"
    & skf21("1","5","6","1","4","1","1","1") = "5"
    & skf21("1","5","6","1","4","1","2","1") = "5"
    & skf21("1","5","6","1","4","1","3","1") = "5"
    & skf21("1","5","6","1","4","1","4","1") = "5"
    & skf21("1","5","6","1","4","1","5","1") = "5"
    & skf21("1","5","6","1","4","1","6","1") = "5"
    & skf21("1","5","6","1","4","1","7","1") = "6"
    & skf21("1","5","6","1","4","2","1","1") = "5"
    & skf21("1","5","6","1","4","2","2","1") = "5"
    & skf21("1","5","6","1","4","2","3","1") = "5"
    & skf21("1","5","6","1","4","2","4","1") = "5"
    & skf21("1","5","6","1","4","2","5","1") = "5"
    & skf21("1","5","6","1","4","2","6","1") = "5"
    & skf21("1","5","6","1","4","2","7","1") = "6"
    & skf21("1","5","6","1","4","3","1","1") = "5"
    & skf21("1","5","6","1","4","3","2","1") = "5"
    & skf21("1","5","6","1","4","3","3","1") = "5"
    & skf21("1","5","6","1","4","3","4","1") = "5"
    & skf21("1","5","6","1","4","3","5","1") = "5"
    & skf21("1","5","6","1","4","3","6","1") = "5"
    & skf21("1","5","6","1","4","3","7","1") = "6"
    & skf21("1","5","6","1","4","4","1","1") = "5"
    & skf21("1","5","6","1","4","4","2","1") = "5"
    & skf21("1","5","6","1","4","4","3","1") = "5"
    & skf21("1","5","6","1","4","4","4","1") = "5"
    & skf21("1","5","6","1","4","4","5","1") = "5"
    & skf21("1","5","6","1","4","4","6","1") = "5"
    & skf21("1","5","6","1","4","4","7","1") = "6"
    & skf21("1","5","6","1","4","5","1","1") = "5"
    & skf21("1","5","6","1","4","5","2","1") = "5"
    & skf21("1","5","6","1","4","5","3","1") = "5"
    & skf21("1","5","6","1","4","5","4","1") = "5"
    & skf21("1","5","6","1","4","5","5","1") = "5"
    & skf21("1","5","6","1","4","5","6","1") = "5"
    & skf21("1","5","6","1","4","5","7","1") = "6"
    & skf21("1","5","6","1","4","6","1","1") = "5"
    & skf21("1","5","6","1","4","6","2","1") = "5"
    & skf21("1","5","6","1","4","6","3","1") = "5"
    & skf21("1","5","6","1","4","6","4","1") = "5"
    & skf21("1","5","6","1","4","6","5","1") = "5"
    & skf21("1","5","6","1","4","6","6","1") = "5"
    & skf21("1","5","6","1","4","6","7","1") = "6"
    & skf21("1","5","6","1","4","7","1","1") = "6"
    & skf21("1","5","6","1","4","7","2","1") = "6"
    & skf21("1","5","6","1","4","7","3","1") = "6"
    & skf21("1","5","6","1","4","7","4","1") = "6"
    & skf21("1","5","6","1","4","7","5","1") = "6"
    & skf21("1","5","6","1","4","7","6","1") = "6"
    & skf21("1","5","6","1","4","7","7","1") = "6"
    & skf21("1","5","6","1","5","1","1","1") = "5"
    & skf21("1","5","6","1","5","1","2","1") = "5"
    & skf21("1","5","6","1","5","1","3","1") = "5"
    & skf21("1","5","6","1","5","1","4","1") = "5"
    & skf21("1","5","6","1","5","1","5","1") = "5"
    & skf21("1","5","6","1","5","1","6","1") = "5"
    & skf21("1","5","6","1","5","1","7","1") = "6"
    & skf21("1","5","6","1","5","2","1","1") = "5"
    & skf21("1","5","6","1","5","2","2","1") = "5"
    & skf21("1","5","6","1","5","2","3","1") = "5"
    & skf21("1","5","6","1","5","2","4","1") = "5"
    & skf21("1","5","6","1","5","2","5","1") = "5"
    & skf21("1","5","6","1","5","2","6","1") = "5"
    & skf21("1","5","6","1","5","2","7","1") = "6"
    & skf21("1","5","6","1","5","3","1","1") = "5"
    & skf21("1","5","6","1","5","3","2","1") = "5"
    & skf21("1","5","6","1","5","3","3","1") = "5"
    & skf21("1","5","6","1","5","3","4","1") = "5"
    & skf21("1","5","6","1","5","3","5","1") = "5"
    & skf21("1","5","6","1","5","3","6","1") = "5"
    & skf21("1","5","6","1","5","3","7","1") = "6"
    & skf21("1","5","6","1","5","4","1","1") = "5"
    & skf21("1","5","6","1","5","4","2","1") = "5"
    & skf21("1","5","6","1","5","4","3","1") = "5"
    & skf21("1","5","6","1","5","4","4","1") = "5"
    & skf21("1","5","6","1","5","4","5","1") = "5"
    & skf21("1","5","6","1","5","4","6","1") = "5"
    & skf21("1","5","6","1","5","4","7","1") = "6"
    & skf21("1","5","6","1","5","5","1","1") = "5"
    & skf21("1","5","6","1","5","5","2","1") = "5"
    & skf21("1","5","6","1","5","5","3","1") = "5"
    & skf21("1","5","6","1","5","5","4","1") = "5"
    & skf21("1","5","6","1","5","5","5","1") = "5"
    & skf21("1","5","6","1","5","5","6","1") = "5"
    & skf21("1","5","6","1","5","5","7","1") = "6"
    & skf21("1","5","6","1","5","6","1","1") = "5"
    & skf21("1","5","6","1","5","6","2","1") = "5"
    & skf21("1","5","6","1","5","6","3","1") = "5"
    & skf21("1","5","6","1","5","6","4","1") = "5"
    & skf21("1","5","6","1","5","6","5","1") = "5"
    & skf21("1","5","6","1","5","6","6","1") = "5"
    & skf21("1","5","6","1","5","6","7","1") = "6"
    & skf21("1","5","6","1","5","7","1","1") = "6"
    & skf21("1","5","6","1","5","7","2","1") = "6"
    & skf21("1","5","6","1","5","7","3","1") = "6"
    & skf21("1","5","6","1","5","7","4","1") = "6"
    & skf21("1","5","6","1","5","7","5","1") = "6"
    & skf21("1","5","6","1","5","7","6","1") = "6"
    & skf21("1","5","6","1","5","7","7","1") = "6"
    & skf21("1","5","6","1","6","1","1","1") = "5"
    & skf21("1","5","6","1","6","1","2","1") = "5"
    & skf21("1","5","6","1","6","1","3","1") = "5"
    & skf21("1","5","6","1","6","1","4","1") = "5"
    & skf21("1","5","6","1","6","1","5","1") = "5"
    & skf21("1","5","6","1","6","1","6","1") = "5"
    & skf21("1","5","6","1","6","1","7","1") = "6"
    & skf21("1","5","6","1","6","2","1","1") = "5"
    & skf21("1","5","6","1","6","2","2","1") = "5"
    & skf21("1","5","6","1","6","2","3","1") = "5"
    & skf21("1","5","6","1","6","2","4","1") = "5"
    & skf21("1","5","6","1","6","2","5","1") = "5"
    & skf21("1","5","6","1","6","2","6","1") = "5"
    & skf21("1","5","6","1","6","2","7","1") = "6"
    & skf21("1","5","6","1","6","3","1","1") = "5"
    & skf21("1","5","6","1","6","3","2","1") = "5"
    & skf21("1","5","6","1","6","3","3","1") = "5"
    & skf21("1","5","6","1","6","3","4","1") = "5"
    & skf21("1","5","6","1","6","3","5","1") = "5"
    & skf21("1","5","6","1","6","3","6","1") = "5"
    & skf21("1","5","6","1","6","3","7","1") = "6"
    & skf21("1","5","6","1","6","4","1","1") = "5"
    & skf21("1","5","6","1","6","4","2","1") = "5"
    & skf21("1","5","6","1","6","4","3","1") = "5"
    & skf21("1","5","6","1","6","4","4","1") = "5"
    & skf21("1","5","6","1","6","4","5","1") = "5"
    & skf21("1","5","6","1","6","4","6","1") = "5"
    & skf21("1","5","6","1","6","4","7","1") = "6"
    & skf21("1","5","6","1","6","5","1","1") = "5"
    & skf21("1","5","6","1","6","5","2","1") = "5"
    & skf21("1","5","6","1","6","5","3","1") = "5"
    & skf21("1","5","6","1","6","5","4","1") = "5"
    & skf21("1","5","6","1","6","5","5","1") = "5"
    & skf21("1","5","6","1","6","5","6","1") = "5"
    & skf21("1","5","6","1","6","5","7","1") = "6"
    & skf21("1","5","6","1","6","6","1","1") = "5"
    & skf21("1","5","6","1","6","6","2","1") = "5"
    & skf21("1","5","6","1","6","6","3","1") = "5"
    & skf21("1","5","6","1","6","6","4","1") = "5"
    & skf21("1","5","6","1","6","6","5","1") = "5"
    & skf21("1","5","6","1","6","6","6","1") = "5"
    & skf21("1","5","6","1","6","6","7","1") = "6"
    & skf21("1","5","6","1","6","7","1","1") = "6"
    & skf21("1","5","6","1","6","7","2","1") = "6"
    & skf21("1","5","6","1","6","7","3","1") = "6"
    & skf21("1","5","6","1","6","7","4","1") = "6"
    & skf21("1","5","6","1","6","7","5","1") = "6"
    & skf21("1","5","6","1","6","7","6","1") = "6"
    & skf21("1","5","6","1","6","7","7","1") = "6"
    & skf21("1","5","6","1","7","1","1","1") = "6"
    & skf21("1","5","6","1","7","1","2","1") = "6"
    & skf21("1","5","6","1","7","1","3","1") = "6"
    & skf21("1","5","6","1","7","1","4","1") = "6"
    & skf21("1","5","6","1","7","1","5","1") = "6"
    & skf21("1","5","6","1","7","1","6","1") = "6"
    & skf21("1","5","6","1","7","1","7","1") = "6"
    & skf21("1","5","6","1","7","2","1","1") = "6"
    & skf21("1","5","6","1","7","2","2","1") = "6"
    & skf21("1","5","6","1","7","2","3","1") = "6"
    & skf21("1","5","6","1","7","2","4","1") = "6"
    & skf21("1","5","6","1","7","2","5","1") = "6"
    & skf21("1","5","6","1","7","2","6","1") = "6"
    & skf21("1","5","6","1","7","2","7","1") = "6"
    & skf21("1","5","6","1","7","3","1","1") = "6"
    & skf21("1","5","6","1","7","3","2","1") = "6"
    & skf21("1","5","6","1","7","3","3","1") = "6"
    & skf21("1","5","6","1","7","3","4","1") = "6"
    & skf21("1","5","6","1","7","3","5","1") = "6"
    & skf21("1","5","6","1","7","3","6","1") = "6"
    & skf21("1","5","6","1","7","3","7","1") = "6"
    & skf21("1","5","6","1","7","4","1","1") = "6"
    & skf21("1","5","6","1","7","4","2","1") = "6"
    & skf21("1","5","6","1","7","4","3","1") = "6"
    & skf21("1","5","6","1","7","4","4","1") = "6"
    & skf21("1","5","6","1","7","4","5","1") = "6"
    & skf21("1","5","6","1","7","4","6","1") = "6"
    & skf21("1","5","6","1","7","4","7","1") = "6"
    & skf21("1","5","6","1","7","5","1","1") = "6"
    & skf21("1","5","6","1","7","5","2","1") = "6"
    & skf21("1","5","6","1","7","5","3","1") = "6"
    & skf21("1","5","6","1","7","5","4","1") = "6"
    & skf21("1","5","6","1","7","5","5","1") = "6"
    & skf21("1","5","6","1","7","5","6","1") = "6"
    & skf21("1","5","6","1","7","5","7","1") = "6"
    & skf21("1","5","6","1","7","6","1","1") = "6"
    & skf21("1","5","6","1","7","6","2","1") = "6"
    & skf21("1","5","6","1","7","6","3","1") = "6"
    & skf21("1","5","6","1","7","6","4","1") = "6"
    & skf21("1","5","6","1","7","6","5","1") = "6"
    & skf21("1","5","6","1","7","6","6","1") = "6"
    & skf21("1","5","6","1","7","6","7","1") = "6"
    & skf21("1","5","6","1","7","7","1","1") = "6"
    & skf21("1","5","6","1","7","7","2","1") = "6"
    & skf21("1","5","6","1","7","7","3","1") = "6"
    & skf21("1","5","6","1","7","7","4","1") = "6"
    & skf21("1","5","6","1","7","7","5","1") = "6"
    & skf21("1","5","6","1","7","7","6","1") = "6"
    & skf21("1","5","6","1","7","7","7","1") = "6"
    & skf21("1","5","6","2","1","1","1","1") = "5"
    & skf21("1","5","6","2","1","1","2","1") = "5"
    & skf21("1","5","6","2","1","1","3","1") = "5"
    & skf21("1","5","6","2","1","1","4","1") = "5"
    & skf21("1","5","6","2","1","1","5","1") = "5"
    & skf21("1","5","6","2","1","1","6","1") = "5"
    & skf21("1","5","6","2","1","1","7","1") = "6"
    & skf21("1","5","6","2","1","2","1","1") = "5"
    & skf21("1","5","6","2","1","2","2","1") = "5"
    & skf21("1","5","6","2","1","2","3","1") = "5"
    & skf21("1","5","6","2","1","2","4","1") = "5"
    & skf21("1","5","6","2","1","2","5","1") = "5"
    & skf21("1","5","6","2","1","2","6","1") = "5"
    & skf21("1","5","6","2","1","2","7","1") = "6"
    & skf21("1","5","6","2","1","3","1","1") = "5"
    & skf21("1","5","6","2","1","3","2","1") = "5"
    & skf21("1","5","6","2","1","3","3","1") = "5"
    & skf21("1","5","6","2","1","3","4","1") = "5"
    & skf21("1","5","6","2","1","3","5","1") = "5"
    & skf21("1","5","6","2","1","3","6","1") = "5"
    & skf21("1","5","6","2","1","3","7","1") = "6"
    & skf21("1","5","6","2","1","4","1","1") = "5"
    & skf21("1","5","6","2","1","4","2","1") = "5"
    & skf21("1","5","6","2","1","4","3","1") = "5"
    & skf21("1","5","6","2","1","4","4","1") = "5"
    & skf21("1","5","6","2","1","4","5","1") = "5"
    & skf21("1","5","6","2","1","4","6","1") = "5"
    & skf21("1","5","6","2","1","4","7","1") = "6"
    & skf21("1","5","6","2","1","5","1","1") = "5"
    & skf21("1","5","6","2","1","5","2","1") = "5"
    & skf21("1","5","6","2","1","5","3","1") = "5"
    & skf21("1","5","6","2","1","5","4","1") = "5"
    & skf21("1","5","6","2","1","5","5","1") = "5"
    & skf21("1","5","6","2","1","5","6","1") = "5"
    & skf21("1","5","6","2","1","5","7","1") = "6"
    & skf21("1","5","6","2","1","6","1","1") = "5"
    & skf21("1","5","6","2","1","6","2","1") = "5"
    & skf21("1","5","6","2","1","6","3","1") = "5"
    & skf21("1","5","6","2","1","6","4","1") = "5"
    & skf21("1","5","6","2","1","6","5","1") = "5"
    & skf21("1","5","6","2","1","6","6","1") = "5"
    & skf21("1","5","6","2","1","6","7","1") = "6"
    & skf21("1","5","6","2","1","7","1","1") = "6"
    & skf21("1","5","6","2","1","7","2","1") = "6"
    & skf21("1","5","6","2","1","7","3","1") = "6"
    & skf21("1","5","6","2","1","7","4","1") = "6"
    & skf21("1","5","6","2","1","7","5","1") = "6"
    & skf21("1","5","6","2","1","7","6","1") = "6"
    & skf21("1","5","6","2","1","7","7","1") = "6"
    & skf21("1","5","6","2","2","1","1","1") = "5"
    & skf21("1","5","6","2","2","1","2","1") = "5"
    & skf21("1","5","6","2","2","1","3","1") = "5"
    & skf21("1","5","6","2","2","1","4","1") = "5"
    & skf21("1","5","6","2","2","1","5","1") = "5"
    & skf21("1","5","6","2","2","1","6","1") = "5"
    & skf21("1","5","6","2","2","1","7","1") = "6"
    & skf21("1","5","6","2","2","2","1","1") = "5"
    & skf21("1","5","6","2","2","2","2","1") = "5"
    & skf21("1","5","6","2","2","2","3","1") = "5"
    & skf21("1","5","6","2","2","2","4","1") = "5"
    & skf21("1","5","6","2","2","2","5","1") = "5"
    & skf21("1","5","6","2","2","2","6","1") = "5"
    & skf21("1","5","6","2","2","2","7","1") = "6"
    & skf21("1","5","6","2","2","3","1","1") = "5"
    & skf21("1","5","6","2","2","3","2","1") = "5"
    & skf21("1","5","6","2","2","3","3","1") = "5"
    & skf21("1","5","6","2","2","3","4","1") = "5"
    & skf21("1","5","6","2","2","3","5","1") = "5"
    & skf21("1","5","6","2","2","3","6","1") = "5"
    & skf21("1","5","6","2","2","3","7","1") = "6"
    & skf21("1","5","6","2","2","4","1","1") = "5"
    & skf21("1","5","6","2","2","4","2","1") = "5"
    & skf21("1","5","6","2","2","4","3","1") = "5"
    & skf21("1","5","6","2","2","4","4","1") = "5"
    & skf21("1","5","6","2","2","4","5","1") = "5"
    & skf21("1","5","6","2","2","4","6","1") = "5"
    & skf21("1","5","6","2","2","4","7","1") = "6"
    & skf21("1","5","6","2","2","5","1","1") = "5"
    & skf21("1","5","6","2","2","5","2","1") = "5"
    & skf21("1","5","6","2","2","5","3","1") = "5"
    & skf21("1","5","6","2","2","5","4","1") = "5"
    & skf21("1","5","6","2","2","5","5","1") = "5"
    & skf21("1","5","6","2","2","5","6","1") = "5"
    & skf21("1","5","6","2","2","5","7","1") = "6"
    & skf21("1","5","6","2","2","6","1","1") = "5"
    & skf21("1","5","6","2","2","6","2","1") = "5"
    & skf21("1","5","6","2","2","6","3","1") = "5"
    & skf21("1","5","6","2","2","6","4","1") = "5"
    & skf21("1","5","6","2","2","6","5","1") = "5"
    & skf21("1","5","6","2","2","6","6","1") = "5"
    & skf21("1","5","6","2","2","6","7","1") = "6"
    & skf21("1","5","6","2","2","7","1","1") = "6"
    & skf21("1","5","6","2","2","7","2","1") = "6"
    & skf21("1","5","6","2","2","7","3","1") = "6"
    & skf21("1","5","6","2","2","7","4","1") = "6"
    & skf21("1","5","6","2","2","7","5","1") = "6"
    & skf21("1","5","6","2","2","7","6","1") = "6"
    & skf21("1","5","6","2","2","7","7","1") = "6"
    & skf21("1","5","6","2","3","1","1","1") = "5"
    & skf21("1","5","6","2","3","1","2","1") = "5"
    & skf21("1","5","6","2","3","1","3","1") = "5"
    & skf21("1","5","6","2","3","1","4","1") = "5"
    & skf21("1","5","6","2","3","1","5","1") = "5"
    & skf21("1","5","6","2","3","1","6","1") = "5"
    & skf21("1","5","6","2","3","1","7","1") = "6"
    & skf21("1","5","6","2","3","2","1","1") = "5"
    & skf21("1","5","6","2","3","2","2","1") = "5"
    & skf21("1","5","6","2","3","2","3","1") = "5"
    & skf21("1","5","6","2","3","2","4","1") = "5"
    & skf21("1","5","6","2","3","2","5","1") = "5"
    & skf21("1","5","6","2","3","2","6","1") = "5"
    & skf21("1","5","6","2","3","2","7","1") = "6"
    & skf21("1","5","6","2","3","3","1","1") = "5"
    & skf21("1","5","6","2","3","3","2","1") = "5"
    & skf21("1","5","6","2","3","3","3","1") = "5"
    & skf21("1","5","6","2","3","3","4","1") = "5"
    & skf21("1","5","6","2","3","3","5","1") = "5"
    & skf21("1","5","6","2","3","3","6","1") = "5"
    & skf21("1","5","6","2","3","3","7","1") = "6"
    & skf21("1","5","6","2","3","4","1","1") = "5"
    & skf21("1","5","6","2","3","4","2","1") = "5"
    & skf21("1","5","6","2","3","4","3","1") = "5"
    & skf21("1","5","6","2","3","4","4","1") = "5"
    & skf21("1","5","6","2","3","4","5","1") = "5"
    & skf21("1","5","6","2","3","4","6","1") = "5"
    & skf21("1","5","6","2","3","4","7","1") = "6"
    & skf21("1","5","6","2","3","5","1","1") = "5"
    & skf21("1","5","6","2","3","5","2","1") = "5"
    & skf21("1","5","6","2","3","5","3","1") = "5"
    & skf21("1","5","6","2","3","5","4","1") = "5"
    & skf21("1","5","6","2","3","5","5","1") = "5"
    & skf21("1","5","6","2","3","5","6","1") = "5"
    & skf21("1","5","6","2","3","5","7","1") = "6"
    & skf21("1","5","6","2","3","6","1","1") = "5"
    & skf21("1","5","6","2","3","6","2","1") = "5"
    & skf21("1","5","6","2","3","6","3","1") = "5"
    & skf21("1","5","6","2","3","6","4","1") = "5"
    & skf21("1","5","6","2","3","6","5","1") = "5"
    & skf21("1","5","6","2","3","6","6","1") = "5"
    & skf21("1","5","6","2","3","6","7","1") = "6"
    & skf21("1","5","6","2","3","7","1","1") = "6"
    & skf21("1","5","6","2","3","7","2","1") = "6"
    & skf21("1","5","6","2","3","7","3","1") = "6"
    & skf21("1","5","6","2","3","7","4","1") = "6"
    & skf21("1","5","6","2","3","7","5","1") = "6"
    & skf21("1","5","6","2","3","7","6","1") = "6"
    & skf21("1","5","6","2","3","7","7","1") = "6"
    & skf21("1","5","6","2","4","1","1","1") = "5"
    & skf21("1","5","6","2","4","1","2","1") = "5"
    & skf21("1","5","6","2","4","1","3","1") = "5"
    & skf21("1","5","6","2","4","1","4","1") = "5"
    & skf21("1","5","6","2","4","1","5","1") = "5"
    & skf21("1","5","6","2","4","1","6","1") = "5"
    & skf21("1","5","6","2","4","1","7","1") = "6"
    & skf21("1","5","6","2","4","2","1","1") = "5"
    & skf21("1","5","6","2","4","2","2","1") = "5"
    & skf21("1","5","6","2","4","2","3","1") = "5"
    & skf21("1","5","6","2","4","2","4","1") = "5"
    & skf21("1","5","6","2","4","2","5","1") = "5"
    & skf21("1","5","6","2","4","2","6","1") = "5"
    & skf21("1","5","6","2","4","2","7","1") = "6"
    & skf21("1","5","6","2","4","3","1","1") = "5"
    & skf21("1","5","6","2","4","3","2","1") = "5"
    & skf21("1","5","6","2","4","3","3","1") = "5"
    & skf21("1","5","6","2","4","3","4","1") = "5"
    & skf21("1","5","6","2","4","3","5","1") = "5"
    & skf21("1","5","6","2","4","3","6","1") = "5"
    & skf21("1","5","6","2","4","3","7","1") = "6"
    & skf21("1","5","6","2","4","4","1","1") = "5"
    & skf21("1","5","6","2","4","4","2","1") = "5"
    & skf21("1","5","6","2","4","4","3","1") = "5"
    & skf21("1","5","6","2","4","4","4","1") = "5"
    & skf21("1","5","6","2","4","4","5","1") = "5"
    & skf21("1","5","6","2","4","4","6","1") = "5"
    & skf21("1","5","6","2","4","4","7","1") = "6"
    & skf21("1","5","6","2","4","5","1","1") = "5"
    & skf21("1","5","6","2","4","5","2","1") = "5"
    & skf21("1","5","6","2","4","5","3","1") = "5"
    & skf21("1","5","6","2","4","5","4","1") = "5"
    & skf21("1","5","6","2","4","5","5","1") = "5"
    & skf21("1","5","6","2","4","5","6","1") = "5"
    & skf21("1","5","6","2","4","5","7","1") = "6"
    & skf21("1","5","6","2","4","6","1","1") = "5"
    & skf21("1","5","6","2","4","6","2","1") = "5"
    & skf21("1","5","6","2","4","6","3","1") = "5"
    & skf21("1","5","6","2","4","6","4","1") = "5"
    & skf21("1","5","6","2","4","6","5","1") = "5"
    & skf21("1","5","6","2","4","6","6","1") = "5"
    & skf21("1","5","6","2","4","6","7","1") = "6"
    & skf21("1","5","6","2","4","7","1","1") = "6"
    & skf21("1","5","6","2","4","7","2","1") = "6"
    & skf21("1","5","6","2","4","7","3","1") = "6"
    & skf21("1","5","6","2","4","7","4","1") = "6"
    & skf21("1","5","6","2","4","7","5","1") = "6"
    & skf21("1","5","6","2","4","7","6","1") = "6"
    & skf21("1","5","6","2","4","7","7","1") = "6"
    & skf21("1","5","6","2","5","1","1","1") = "5"
    & skf21("1","5","6","2","5","1","2","1") = "5"
    & skf21("1","5","6","2","5","1","3","1") = "5"
    & skf21("1","5","6","2","5","1","4","1") = "5"
    & skf21("1","5","6","2","5","1","5","1") = "5"
    & skf21("1","5","6","2","5","1","6","1") = "5"
    & skf21("1","5","6","2","5","1","7","1") = "6"
    & skf21("1","5","6","2","5","2","1","1") = "5"
    & skf21("1","5","6","2","5","2","2","1") = "5"
    & skf21("1","5","6","2","5","2","3","1") = "5"
    & skf21("1","5","6","2","5","2","4","1") = "5"
    & skf21("1","5","6","2","5","2","5","1") = "5"
    & skf21("1","5","6","2","5","2","6","1") = "5"
    & skf21("1","5","6","2","5","2","7","1") = "6"
    & skf21("1","5","6","2","5","3","1","1") = "5"
    & skf21("1","5","6","2","5","3","2","1") = "5"
    & skf21("1","5","6","2","5","3","3","1") = "5"
    & skf21("1","5","6","2","5","3","4","1") = "5"
    & skf21("1","5","6","2","5","3","5","1") = "5"
    & skf21("1","5","6","2","5","3","6","1") = "5"
    & skf21("1","5","6","2","5","3","7","1") = "6"
    & skf21("1","5","6","2","5","4","1","1") = "5"
    & skf21("1","5","6","2","5","4","2","1") = "5"
    & skf21("1","5","6","2","5","4","3","1") = "5"
    & skf21("1","5","6","2","5","4","4","1") = "5"
    & skf21("1","5","6","2","5","4","5","1") = "5"
    & skf21("1","5","6","2","5","4","6","1") = "5"
    & skf21("1","5","6","2","5","4","7","1") = "6"
    & skf21("1","5","6","2","5","5","1","1") = "5"
    & skf21("1","5","6","2","5","5","2","1") = "5"
    & skf21("1","5","6","2","5","5","3","1") = "5"
    & skf21("1","5","6","2","5","5","4","1") = "5"
    & skf21("1","5","6","2","5","5","5","1") = "5"
    & skf21("1","5","6","2","5","5","6","1") = "5"
    & skf21("1","5","6","2","5","5","7","1") = "6"
    & skf21("1","5","6","2","5","6","1","1") = "5"
    & skf21("1","5","6","2","5","6","2","1") = "5"
    & skf21("1","5","6","2","5","6","3","1") = "5"
    & skf21("1","5","6","2","5","6","4","1") = "5"
    & skf21("1","5","6","2","5","6","5","1") = "5"
    & skf21("1","5","6","2","5","6","6","1") = "5"
    & skf21("1","5","6","2","5","6","7","1") = "6"
    & skf21("1","5","6","2","5","7","1","1") = "6"
    & skf21("1","5","6","2","5","7","2","1") = "6"
    & skf21("1","5","6","2","5","7","3","1") = "6"
    & skf21("1","5","6","2","5","7","4","1") = "6"
    & skf21("1","5","6","2","5","7","5","1") = "6"
    & skf21("1","5","6","2","5","7","6","1") = "6"
    & skf21("1","5","6","2","5","7","7","1") = "6"
    & skf21("1","5","6","2","6","1","1","1") = "5"
    & skf21("1","5","6","2","6","1","2","1") = "5"
    & skf21("1","5","6","2","6","1","3","1") = "5"
    & skf21("1","5","6","2","6","1","4","1") = "5"
    & skf21("1","5","6","2","6","1","5","1") = "5"
    & skf21("1","5","6","2","6","1","6","1") = "5"
    & skf21("1","5","6","2","6","1","7","1") = "6"
    & skf21("1","5","6","2","6","2","1","1") = "5"
    & skf21("1","5","6","2","6","2","2","1") = "5"
    & skf21("1","5","6","2","6","2","3","1") = "5"
    & skf21("1","5","6","2","6","2","4","1") = "5"
    & skf21("1","5","6","2","6","2","5","1") = "5"
    & skf21("1","5","6","2","6","2","6","1") = "5"
    & skf21("1","5","6","2","6","2","7","1") = "6"
    & skf21("1","5","6","2","6","3","1","1") = "5"
    & skf21("1","5","6","2","6","3","2","1") = "5"
    & skf21("1","5","6","2","6","3","3","1") = "5"
    & skf21("1","5","6","2","6","3","4","1") = "5"
    & skf21("1","5","6","2","6","3","5","1") = "5"
    & skf21("1","5","6","2","6","3","6","1") = "5"
    & skf21("1","5","6","2","6","3","7","1") = "6"
    & skf21("1","5","6","2","6","4","1","1") = "5"
    & skf21("1","5","6","2","6","4","2","1") = "5"
    & skf21("1","5","6","2","6","4","3","1") = "5"
    & skf21("1","5","6","2","6","4","4","1") = "5"
    & skf21("1","5","6","2","6","4","5","1") = "5"
    & skf21("1","5","6","2","6","4","6","1") = "5"
    & skf21("1","5","6","2","6","4","7","1") = "6"
    & skf21("1","5","6","2","6","5","1","1") = "5"
    & skf21("1","5","6","2","6","5","2","1") = "5"
    & skf21("1","5","6","2","6","5","3","1") = "5"
    & skf21("1","5","6","2","6","5","4","1") = "5"
    & skf21("1","5","6","2","6","5","5","1") = "5"
    & skf21("1","5","6","2","6","5","6","1") = "5"
    & skf21("1","5","6","2","6","5","7","1") = "6"
    & skf21("1","5","6","2","6","6","1","1") = "5"
    & skf21("1","5","6","2","6","6","2","1") = "5"
    & skf21("1","5","6","2","6","6","3","1") = "5"
    & skf21("1","5","6","2","6","6","4","1") = "5"
    & skf21("1","5","6","2","6","6","5","1") = "5"
    & skf21("1","5","6","2","6","6","6","1") = "5"
    & skf21("1","5","6","2","6","6","7","1") = "6"
    & skf21("1","5","6","2","6","7","1","1") = "6"
    & skf21("1","5","6","2","6","7","2","1") = "6"
    & skf21("1","5","6","2","6","7","3","1") = "6"
    & skf21("1","5","6","2","6","7","4","1") = "6"
    & skf21("1","5","6","2","6","7","5","1") = "6"
    & skf21("1","5","6","2","6","7","6","1") = "6"
    & skf21("1","5","6","2","6","7","7","1") = "6"
    & skf21("1","5","6","2","7","1","1","1") = "6"
    & skf21("1","5","6","2","7","1","2","1") = "6"
    & skf21("1","5","6","2","7","1","3","1") = "6"
    & skf21("1","5","6","2","7","1","4","1") = "6"
    & skf21("1","5","6","2","7","1","5","1") = "6"
    & skf21("1","5","6","2","7","1","6","1") = "6"
    & skf21("1","5","6","2","7","1","7","1") = "6"
    & skf21("1","5","6","2","7","2","1","1") = "6"
    & skf21("1","5","6","2","7","2","2","1") = "6"
    & skf21("1","5","6","2","7","2","3","1") = "6"
    & skf21("1","5","6","2","7","2","4","1") = "6"
    & skf21("1","5","6","2","7","2","5","1") = "6"
    & skf21("1","5","6","2","7","2","6","1") = "6"
    & skf21("1","5","6","2","7","2","7","1") = "6"
    & skf21("1","5","6","2","7","3","1","1") = "6"
    & skf21("1","5","6","2","7","3","2","1") = "6"
    & skf21("1","5","6","2","7","3","3","1") = "6"
    & skf21("1","5","6","2","7","3","4","1") = "6"
    & skf21("1","5","6","2","7","3","5","1") = "6"
    & skf21("1","5","6","2","7","3","6","1") = "6"
    & skf21("1","5","6","2","7","3","7","1") = "6"
    & skf21("1","5","6","2","7","4","1","1") = "6"
    & skf21("1","5","6","2","7","4","2","1") = "6"
    & skf21("1","5","6","2","7","4","3","1") = "6"
    & skf21("1","5","6","2","7","4","4","1") = "6"
    & skf21("1","5","6","2","7","4","5","1") = "6"
    & skf21("1","5","6","2","7","4","6","1") = "6"
    & skf21("1","5","6","2","7","4","7","1") = "6"
    & skf21("1","5","6","2","7","5","1","1") = "6"
    & skf21("1","5","6","2","7","5","2","1") = "6"
    & skf21("1","5","6","2","7","5","3","1") = "6"
    & skf21("1","5","6","2","7","5","4","1") = "6"
    & skf21("1","5","6","2","7","5","5","1") = "6"
    & skf21("1","5","6","2","7","5","6","1") = "6"
    & skf21("1","5","6","2","7","5","7","1") = "6"
    & skf21("1","5","6","2","7","6","1","1") = "6"
    & skf21("1","5","6","2","7","6","2","1") = "6"
    & skf21("1","5","6","2","7","6","3","1") = "6"
    & skf21("1","5","6","2","7","6","4","1") = "6"
    & skf21("1","5","6","2","7","6","5","1") = "6"
    & skf21("1","5","6","2","7","6","6","1") = "6"
    & skf21("1","5","6","2","7","6","7","1") = "6"
    & skf21("1","5","6","2","7","7","1","1") = "6"
    & skf21("1","5","6","2","7","7","2","1") = "6"
    & skf21("1","5","6","2","7","7","3","1") = "6"
    & skf21("1","5","6","2","7","7","4","1") = "6"
    & skf21("1","5","6","2","7","7","5","1") = "6"
    & skf21("1","5","6","2","7","7","6","1") = "6"
    & skf21("1","5","6","2","7","7","7","1") = "6"
    & skf21("1","5","6","3","1","1","1","1") = "5"
    & skf21("1","5","6","3","1","1","2","1") = "5"
    & skf21("1","5","6","3","1","1","3","1") = "5"
    & skf21("1","5","6","3","1","1","4","1") = "5"
    & skf21("1","5","6","3","1","1","5","1") = "5"
    & skf21("1","5","6","3","1","1","6","1") = "5"
    & skf21("1","5","6","3","1","1","7","1") = "6"
    & skf21("1","5","6","3","1","2","1","1") = "5"
    & skf21("1","5","6","3","1","2","2","1") = "5"
    & skf21("1","5","6","3","1","2","3","1") = "5"
    & skf21("1","5","6","3","1","2","4","1") = "5"
    & skf21("1","5","6","3","1","2","5","1") = "5"
    & skf21("1","5","6","3","1","2","6","1") = "5"
    & skf21("1","5","6","3","1","2","7","1") = "6"
    & skf21("1","5","6","3","1","3","1","1") = "5"
    & skf21("1","5","6","3","1","3","2","1") = "5"
    & skf21("1","5","6","3","1","3","3","1") = "5"
    & skf21("1","5","6","3","1","3","4","1") = "5"
    & skf21("1","5","6","3","1","3","5","1") = "5"
    & skf21("1","5","6","3","1","3","6","1") = "5"
    & skf21("1","5","6","3","1","3","7","1") = "6"
    & skf21("1","5","6","3","1","4","1","1") = "5"
    & skf21("1","5","6","3","1","4","2","1") = "5"
    & skf21("1","5","6","3","1","4","3","1") = "5"
    & skf21("1","5","6","3","1","4","4","1") = "5"
    & skf21("1","5","6","3","1","4","5","1") = "5"
    & skf21("1","5","6","3","1","4","6","1") = "5"
    & skf21("1","5","6","3","1","4","7","1") = "6"
    & skf21("1","5","6","3","1","5","1","1") = "5"
    & skf21("1","5","6","3","1","5","2","1") = "5"
    & skf21("1","5","6","3","1","5","3","1") = "5"
    & skf21("1","5","6","3","1","5","4","1") = "5"
    & skf21("1","5","6","3","1","5","5","1") = "5"
    & skf21("1","5","6","3","1","5","6","1") = "5"
    & skf21("1","5","6","3","1","5","7","1") = "6"
    & skf21("1","5","6","3","1","6","1","1") = "5"
    & skf21("1","5","6","3","1","6","2","1") = "5"
    & skf21("1","5","6","3","1","6","3","1") = "5"
    & skf21("1","5","6","3","1","6","4","1") = "5"
    & skf21("1","5","6","3","1","6","5","1") = "5"
    & skf21("1","5","6","3","1","6","6","1") = "5"
    & skf21("1","5","6","3","1","6","7","1") = "6"
    & skf21("1","5","6","3","1","7","1","1") = "6"
    & skf21("1","5","6","3","1","7","2","1") = "6"
    & skf21("1","5","6","3","1","7","3","1") = "6"
    & skf21("1","5","6","3","1","7","4","1") = "6"
    & skf21("1","5","6","3","1","7","5","1") = "6"
    & skf21("1","5","6","3","1","7","6","1") = "6"
    & skf21("1","5","6","3","1","7","7","1") = "6"
    & skf21("1","5","6","3","2","1","1","1") = "5"
    & skf21("1","5","6","3","2","1","2","1") = "5"
    & skf21("1","5","6","3","2","1","3","1") = "5"
    & skf21("1","5","6","3","2","1","4","1") = "5"
    & skf21("1","5","6","3","2","1","5","1") = "5"
    & skf21("1","5","6","3","2","1","6","1") = "5"
    & skf21("1","5","6","3","2","1","7","1") = "6"
    & skf21("1","5","6","3","2","2","1","1") = "5"
    & skf21("1","5","6","3","2","2","2","1") = "5"
    & skf21("1","5","6","3","2","2","3","1") = "5"
    & skf21("1","5","6","3","2","2","4","1") = "5"
    & skf21("1","5","6","3","2","2","5","1") = "5"
    & skf21("1","5","6","3","2","2","6","1") = "5"
    & skf21("1","5","6","3","2","2","7","1") = "6"
    & skf21("1","5","6","3","2","3","1","1") = "5"
    & skf21("1","5","6","3","2","3","2","1") = "5"
    & skf21("1","5","6","3","2","3","3","1") = "5"
    & skf21("1","5","6","3","2","3","4","1") = "5"
    & skf21("1","5","6","3","2","3","5","1") = "5"
    & skf21("1","5","6","3","2","3","6","1") = "5"
    & skf21("1","5","6","3","2","3","7","1") = "6"
    & skf21("1","5","6","3","2","4","1","1") = "5"
    & skf21("1","5","6","3","2","4","2","1") = "5"
    & skf21("1","5","6","3","2","4","3","1") = "5"
    & skf21("1","5","6","3","2","4","4","1") = "5"
    & skf21("1","5","6","3","2","4","5","1") = "5"
    & skf21("1","5","6","3","2","4","6","1") = "5"
    & skf21("1","5","6","3","2","4","7","1") = "6"
    & skf21("1","5","6","3","2","5","1","1") = "5"
    & skf21("1","5","6","3","2","5","2","1") = "5"
    & skf21("1","5","6","3","2","5","3","1") = "5"
    & skf21("1","5","6","3","2","5","4","1") = "5"
    & skf21("1","5","6","3","2","5","5","1") = "5"
    & skf21("1","5","6","3","2","5","6","1") = "5"
    & skf21("1","5","6","3","2","5","7","1") = "6"
    & skf21("1","5","6","3","2","6","1","1") = "5"
    & skf21("1","5","6","3","2","6","2","1") = "5"
    & skf21("1","5","6","3","2","6","3","1") = "5"
    & skf21("1","5","6","3","2","6","4","1") = "5"
    & skf21("1","5","6","3","2","6","5","1") = "5"
    & skf21("1","5","6","3","2","6","6","1") = "5"
    & skf21("1","5","6","3","2","6","7","1") = "6"
    & skf21("1","5","6","3","2","7","1","1") = "6"
    & skf21("1","5","6","3","2","7","2","1") = "6"
    & skf21("1","5","6","3","2","7","3","1") = "6"
    & skf21("1","5","6","3","2","7","4","1") = "6"
    & skf21("1","5","6","3","2","7","5","1") = "6"
    & skf21("1","5","6","3","2","7","6","1") = "6"
    & skf21("1","5","6","3","2","7","7","1") = "6"
    & skf21("1","5","6","3","3","1","1","1") = "5"
    & skf21("1","5","6","3","3","1","2","1") = "5"
    & skf21("1","5","6","3","3","1","3","1") = "5"
    & skf21("1","5","6","3","3","1","4","1") = "5"
    & skf21("1","5","6","3","3","1","5","1") = "5"
    & skf21("1","5","6","3","3","1","6","1") = "5"
    & skf21("1","5","6","3","3","1","7","1") = "6"
    & skf21("1","5","6","3","3","2","1","1") = "5"
    & skf21("1","5","6","3","3","2","2","1") = "5"
    & skf21("1","5","6","3","3","2","3","1") = "5"
    & skf21("1","5","6","3","3","2","4","1") = "5"
    & skf21("1","5","6","3","3","2","5","1") = "5"
    & skf21("1","5","6","3","3","2","6","1") = "5"
    & skf21("1","5","6","3","3","2","7","1") = "6"
    & skf21("1","5","6","3","3","3","1","1") = "5"
    & skf21("1","5","6","3","3","3","2","1") = "5"
    & skf21("1","5","6","3","3","3","3","1") = "5"
    & skf21("1","5","6","3","3","3","4","1") = "5"
    & skf21("1","5","6","3","3","3","5","1") = "5"
    & skf21("1","5","6","3","3","3","6","1") = "5"
    & skf21("1","5","6","3","3","3","7","1") = "6"
    & skf21("1","5","6","3","3","4","1","1") = "5"
    & skf21("1","5","6","3","3","4","2","1") = "5"
    & skf21("1","5","6","3","3","4","3","1") = "5"
    & skf21("1","5","6","3","3","4","4","1") = "5"
    & skf21("1","5","6","3","3","4","5","1") = "5"
    & skf21("1","5","6","3","3","4","6","1") = "5"
    & skf21("1","5","6","3","3","4","7","1") = "6"
    & skf21("1","5","6","3","3","5","1","1") = "5"
    & skf21("1","5","6","3","3","5","2","1") = "5"
    & skf21("1","5","6","3","3","5","3","1") = "5"
    & skf21("1","5","6","3","3","5","4","1") = "5"
    & skf21("1","5","6","3","3","5","5","1") = "5"
    & skf21("1","5","6","3","3","5","6","1") = "5"
    & skf21("1","5","6","3","3","5","7","1") = "6"
    & skf21("1","5","6","3","3","6","1","1") = "5"
    & skf21("1","5","6","3","3","6","2","1") = "5"
    & skf21("1","5","6","3","3","6","3","1") = "5"
    & skf21("1","5","6","3","3","6","4","1") = "5"
    & skf21("1","5","6","3","3","6","5","1") = "5"
    & skf21("1","5","6","3","3","6","6","1") = "5"
    & skf21("1","5","6","3","3","6","7","1") = "6"
    & skf21("1","5","6","3","3","7","1","1") = "6"
    & skf21("1","5","6","3","3","7","2","1") = "6"
    & skf21("1","5","6","3","3","7","3","1") = "6"
    & skf21("1","5","6","3","3","7","4","1") = "6"
    & skf21("1","5","6","3","3","7","5","1") = "6"
    & skf21("1","5","6","3","3","7","6","1") = "6"
    & skf21("1","5","6","3","3","7","7","1") = "6"
    & skf21("1","5","6","3","4","1","1","1") = "5"
    & skf21("1","5","6","3","4","1","2","1") = "5"
    & skf21("1","5","6","3","4","1","3","1") = "5"
    & skf21("1","5","6","3","4","1","4","1") = "5"
    & skf21("1","5","6","3","4","1","5","1") = "5"
    & skf21("1","5","6","3","4","1","6","1") = "5"
    & skf21("1","5","6","3","4","1","7","1") = "6"
    & skf21("1","5","6","3","4","2","1","1") = "5"
    & skf21("1","5","6","3","4","2","2","1") = "5"
    & skf21("1","5","6","3","4","2","3","1") = "5"
    & skf21("1","5","6","3","4","2","4","1") = "5"
    & skf21("1","5","6","3","4","2","5","1") = "5"
    & skf21("1","5","6","3","4","2","6","1") = "5"
    & skf21("1","5","6","3","4","2","7","1") = "6"
    & skf21("1","5","6","3","4","3","1","1") = "5"
    & skf21("1","5","6","3","4","3","2","1") = "5"
    & skf21("1","5","6","3","4","3","3","1") = "5"
    & skf21("1","5","6","3","4","3","4","1") = "5"
    & skf21("1","5","6","3","4","3","5","1") = "5"
    & skf21("1","5","6","3","4","3","6","1") = "5"
    & skf21("1","5","6","3","4","3","7","1") = "6"
    & skf21("1","5","6","3","4","4","1","1") = "5"
    & skf21("1","5","6","3","4","4","2","1") = "5"
    & skf21("1","5","6","3","4","4","3","1") = "5"
    & skf21("1","5","6","3","4","4","4","1") = "5"
    & skf21("1","5","6","3","4","4","5","1") = "5"
    & skf21("1","5","6","3","4","4","6","1") = "5"
    & skf21("1","5","6","3","4","4","7","1") = "6"
    & skf21("1","5","6","3","4","5","1","1") = "5"
    & skf21("1","5","6","3","4","5","2","1") = "5"
    & skf21("1","5","6","3","4","5","3","1") = "5"
    & skf21("1","5","6","3","4","5","4","1") = "5"
    & skf21("1","5","6","3","4","5","5","1") = "5"
    & skf21("1","5","6","3","4","5","6","1") = "5"
    & skf21("1","5","6","3","4","5","7","1") = "6"
    & skf21("1","5","6","3","4","6","1","1") = "5"
    & skf21("1","5","6","3","4","6","2","1") = "5"
    & skf21("1","5","6","3","4","6","3","1") = "5"
    & skf21("1","5","6","3","4","6","4","1") = "5"
    & skf21("1","5","6","3","4","6","5","1") = "5"
    & skf21("1","5","6","3","4","6","6","1") = "5"
    & skf21("1","5","6","3","4","6","7","1") = "6"
    & skf21("1","5","6","3","4","7","1","1") = "6"
    & skf21("1","5","6","3","4","7","2","1") = "6"
    & skf21("1","5","6","3","4","7","3","1") = "6"
    & skf21("1","5","6","3","4","7","4","1") = "6"
    & skf21("1","5","6","3","4","7","5","1") = "6"
    & skf21("1","5","6","3","4","7","6","1") = "6"
    & skf21("1","5","6","3","4","7","7","1") = "6"
    & skf21("1","5","6","3","5","1","1","1") = "5"
    & skf21("1","5","6","3","5","1","2","1") = "5"
    & skf21("1","5","6","3","5","1","3","1") = "5"
    & skf21("1","5","6","3","5","1","4","1") = "5"
    & skf21("1","5","6","3","5","1","5","1") = "5"
    & skf21("1","5","6","3","5","1","6","1") = "5"
    & skf21("1","5","6","3","5","1","7","1") = "6"
    & skf21("1","5","6","3","5","2","1","1") = "5"
    & skf21("1","5","6","3","5","2","2","1") = "5"
    & skf21("1","5","6","3","5","2","3","1") = "5"
    & skf21("1","5","6","3","5","2","4","1") = "5"
    & skf21("1","5","6","3","5","2","5","1") = "5"
    & skf21("1","5","6","3","5","2","6","1") = "5"
    & skf21("1","5","6","3","5","2","7","1") = "6"
    & skf21("1","5","6","3","5","3","1","1") = "5"
    & skf21("1","5","6","3","5","3","2","1") = "5"
    & skf21("1","5","6","3","5","3","3","1") = "5"
    & skf21("1","5","6","3","5","3","4","1") = "5"
    & skf21("1","5","6","3","5","3","5","1") = "5"
    & skf21("1","5","6","3","5","3","6","1") = "5"
    & skf21("1","5","6","3","5","3","7","1") = "6"
    & skf21("1","5","6","3","5","4","1","1") = "5"
    & skf21("1","5","6","3","5","4","2","1") = "5"
    & skf21("1","5","6","3","5","4","3","1") = "5"
    & skf21("1","5","6","3","5","4","4","1") = "5"
    & skf21("1","5","6","3","5","4","5","1") = "5"
    & skf21("1","5","6","3","5","4","6","1") = "5"
    & skf21("1","5","6","3","5","4","7","1") = "6"
    & skf21("1","5","6","3","5","5","1","1") = "5"
    & skf21("1","5","6","3","5","5","2","1") = "5"
    & skf21("1","5","6","3","5","5","3","1") = "5"
    & skf21("1","5","6","3","5","5","4","1") = "5"
    & skf21("1","5","6","3","5","5","5","1") = "5"
    & skf21("1","5","6","3","5","5","6","1") = "5"
    & skf21("1","5","6","3","5","5","7","1") = "6"
    & skf21("1","5","6","3","5","6","1","1") = "5"
    & skf21("1","5","6","3","5","6","2","1") = "5"
    & skf21("1","5","6","3","5","6","3","1") = "5"
    & skf21("1","5","6","3","5","6","4","1") = "5"
    & skf21("1","5","6","3","5","6","5","1") = "5"
    & skf21("1","5","6","3","5","6","6","1") = "5"
    & skf21("1","5","6","3","5","6","7","1") = "6"
    & skf21("1","5","6","3","5","7","1","1") = "6"
    & skf21("1","5","6","3","5","7","2","1") = "6"
    & skf21("1","5","6","3","5","7","3","1") = "6"
    & skf21("1","5","6","3","5","7","4","1") = "6"
    & skf21("1","5","6","3","5","7","5","1") = "6"
    & skf21("1","5","6","3","5","7","6","1") = "6"
    & skf21("1","5","6","3","5","7","7","1") = "6"
    & skf21("1","5","6","3","6","1","1","1") = "5"
    & skf21("1","5","6","3","6","1","2","1") = "5"
    & skf21("1","5","6","3","6","1","3","1") = "5"
    & skf21("1","5","6","3","6","1","4","1") = "5"
    & skf21("1","5","6","3","6","1","5","1") = "5"
    & skf21("1","5","6","3","6","1","6","1") = "5"
    & skf21("1","5","6","3","6","1","7","1") = "6"
    & skf21("1","5","6","3","6","2","1","1") = "5"
    & skf21("1","5","6","3","6","2","2","1") = "5"
    & skf21("1","5","6","3","6","2","3","1") = "5"
    & skf21("1","5","6","3","6","2","4","1") = "5"
    & skf21("1","5","6","3","6","2","5","1") = "5"
    & skf21("1","5","6","3","6","2","6","1") = "5"
    & skf21("1","5","6","3","6","2","7","1") = "6"
    & skf21("1","5","6","3","6","3","1","1") = "5"
    & skf21("1","5","6","3","6","3","2","1") = "5"
    & skf21("1","5","6","3","6","3","3","1") = "5"
    & skf21("1","5","6","3","6","3","4","1") = "5"
    & skf21("1","5","6","3","6","3","5","1") = "5"
    & skf21("1","5","6","3","6","3","6","1") = "5"
    & skf21("1","5","6","3","6","3","7","1") = "6"
    & skf21("1","5","6","3","6","4","1","1") = "5"
    & skf21("1","5","6","3","6","4","2","1") = "5"
    & skf21("1","5","6","3","6","4","3","1") = "5"
    & skf21("1","5","6","3","6","4","4","1") = "5"
    & skf21("1","5","6","3","6","4","5","1") = "5"
    & skf21("1","5","6","3","6","4","6","1") = "5"
    & skf21("1","5","6","3","6","4","7","1") = "6"
    & skf21("1","5","6","3","6","5","1","1") = "5"
    & skf21("1","5","6","3","6","5","2","1") = "5"
    & skf21("1","5","6","3","6","5","3","1") = "5"
    & skf21("1","5","6","3","6","5","4","1") = "5"
    & skf21("1","5","6","3","6","5","5","1") = "5"
    & skf21("1","5","6","3","6","5","6","1") = "5"
    & skf21("1","5","6","3","6","5","7","1") = "6"
    & skf21("1","5","6","3","6","6","1","1") = "5"
    & skf21("1","5","6","3","6","6","2","1") = "5"
    & skf21("1","5","6","3","6","6","3","1") = "5"
    & skf21("1","5","6","3","6","6","4","1") = "5"
    & skf21("1","5","6","3","6","6","5","1") = "5"
    & skf21("1","5","6","3","6","6","6","1") = "5"
    & skf21("1","5","6","3","6","6","7","1") = "6"
    & skf21("1","5","6","3","6","7","1","1") = "6"
    & skf21("1","5","6","3","6","7","2","1") = "6"
    & skf21("1","5","6","3","6","7","3","1") = "6"
    & skf21("1","5","6","3","6","7","4","1") = "6"
    & skf21("1","5","6","3","6","7","5","1") = "6"
    & skf21("1","5","6","3","6","7","6","1") = "6"
    & skf21("1","5","6","3","6","7","7","1") = "6"
    & skf21("1","5","6","3","7","1","1","1") = "6"
    & skf21("1","5","6","3","7","1","2","1") = "6"
    & skf21("1","5","6","3","7","1","3","1") = "6"
    & skf21("1","5","6","3","7","1","4","1") = "6"
    & skf21("1","5","6","3","7","1","5","1") = "6"
    & skf21("1","5","6","3","7","1","6","1") = "6"
    & skf21("1","5","6","3","7","1","7","1") = "6"
    & skf21("1","5","6","3","7","2","1","1") = "6"
    & skf21("1","5","6","3","7","2","2","1") = "6"
    & skf21("1","5","6","3","7","2","3","1") = "6"
    & skf21("1","5","6","3","7","2","4","1") = "6"
    & skf21("1","5","6","3","7","2","5","1") = "6"
    & skf21("1","5","6","3","7","2","6","1") = "6"
    & skf21("1","5","6","3","7","2","7","1") = "6"
    & skf21("1","5","6","3","7","3","1","1") = "6"
    & skf21("1","5","6","3","7","3","2","1") = "6"
    & skf21("1","5","6","3","7","3","3","1") = "6"
    & skf21("1","5","6","3","7","3","4","1") = "6"
    & skf21("1","5","6","3","7","3","5","1") = "6"
    & skf21("1","5","6","3","7","3","6","1") = "6"
    & skf21("1","5","6","3","7","3","7","1") = "6"
    & skf21("1","5","6","3","7","4","1","1") = "6"
    & skf21("1","5","6","3","7","4","2","1") = "6"
    & skf21("1","5","6","3","7","4","3","1") = "6"
    & skf21("1","5","6","3","7","4","4","1") = "6"
    & skf21("1","5","6","3","7","4","5","1") = "6"
    & skf21("1","5","6","3","7","4","6","1") = "6"
    & skf21("1","5","6","3","7","4","7","1") = "6"
    & skf21("1","5","6","3","7","5","1","1") = "6"
    & skf21("1","5","6","3","7","5","2","1") = "6"
    & skf21("1","5","6","3","7","5","3","1") = "6"
    & skf21("1","5","6","3","7","5","4","1") = "6"
    & skf21("1","5","6","3","7","5","5","1") = "6"
    & skf21("1","5","6","3","7","5","6","1") = "6"
    & skf21("1","5","6","3","7","5","7","1") = "6"
    & skf21("1","5","6","3","7","6","1","1") = "6"
    & skf21("1","5","6","3","7","6","2","1") = "6"
    & skf21("1","5","6","3","7","6","3","1") = "6"
    & skf21("1","5","6","3","7","6","4","1") = "6"
    & skf21("1","5","6","3","7","6","5","1") = "6"
    & skf21("1","5","6","3","7","6","6","1") = "6"
    & skf21("1","5","6","3","7","6","7","1") = "6"
    & skf21("1","5","6","3","7","7","1","1") = "6"
    & skf21("1","5","6","3","7","7","2","1") = "6"
    & skf21("1","5","6","3","7","7","3","1") = "6"
    & skf21("1","5","6","3","7","7","4","1") = "6"
    & skf21("1","5","6","3","7","7","5","1") = "6"
    & skf21("1","5","6","3","7","7","6","1") = "6"
    & skf21("1","5","6","3","7","7","7","1") = "6"
    & skf21("1","5","6","4","1","1","1","1") = "5"
    & skf21("1","5","6","4","1","1","2","1") = "5"
    & skf21("1","5","6","4","1","1","3","1") = "5"
    & skf21("1","5","6","4","1","1","4","1") = "5"
    & skf21("1","5","6","4","1","1","5","1") = "5"
    & skf21("1","5","6","4","1","1","6","1") = "5"
    & skf21("1","5","6","4","1","1","7","1") = "6"
    & skf21("1","5","6","4","1","2","1","1") = "5"
    & skf21("1","5","6","4","1","2","2","1") = "5"
    & skf21("1","5","6","4","1","2","3","1") = "5"
    & skf21("1","5","6","4","1","2","4","1") = "5"
    & skf21("1","5","6","4","1","2","5","1") = "5"
    & skf21("1","5","6","4","1","2","6","1") = "5"
    & skf21("1","5","6","4","1","2","7","1") = "6"
    & skf21("1","5","6","4","1","3","1","1") = "5"
    & skf21("1","5","6","4","1","3","2","1") = "5"
    & skf21("1","5","6","4","1","3","3","1") = "5"
    & skf21("1","5","6","4","1","3","4","1") = "5"
    & skf21("1","5","6","4","1","3","5","1") = "5"
    & skf21("1","5","6","4","1","3","6","1") = "5"
    & skf21("1","5","6","4","1","3","7","1") = "6"
    & skf21("1","5","6","4","1","4","1","1") = "5"
    & skf21("1","5","6","4","1","4","2","1") = "5"
    & skf21("1","5","6","4","1","4","3","1") = "5"
    & skf21("1","5","6","4","1","4","4","1") = "5"
    & skf21("1","5","6","4","1","4","5","1") = "5"
    & skf21("1","5","6","4","1","4","6","1") = "5"
    & skf21("1","5","6","4","1","4","7","1") = "6"
    & skf21("1","5","6","4","1","5","1","1") = "5"
    & skf21("1","5","6","4","1","5","2","1") = "5"
    & skf21("1","5","6","4","1","5","3","1") = "5"
    & skf21("1","5","6","4","1","5","4","1") = "5"
    & skf21("1","5","6","4","1","5","5","1") = "5"
    & skf21("1","5","6","4","1","5","6","1") = "5"
    & skf21("1","5","6","4","1","5","7","1") = "6"
    & skf21("1","5","6","4","1","6","1","1") = "5"
    & skf21("1","5","6","4","1","6","2","1") = "5"
    & skf21("1","5","6","4","1","6","3","1") = "5"
    & skf21("1","5","6","4","1","6","4","1") = "5"
    & skf21("1","5","6","4","1","6","5","1") = "5"
    & skf21("1","5","6","4","1","6","6","1") = "5"
    & skf21("1","5","6","4","1","6","7","1") = "6"
    & skf21("1","5","6","4","1","7","1","1") = "6"
    & skf21("1","5","6","4","1","7","2","1") = "6"
    & skf21("1","5","6","4","1","7","3","1") = "6"
    & skf21("1","5","6","4","1","7","4","1") = "6"
    & skf21("1","5","6","4","1","7","5","1") = "6"
    & skf21("1","5","6","4","1","7","6","1") = "6"
    & skf21("1","5","6","4","1","7","7","1") = "6"
    & skf21("1","5","6","4","2","1","1","1") = "5"
    & skf21("1","5","6","4","2","1","2","1") = "5"
    & skf21("1","5","6","4","2","1","3","1") = "5"
    & skf21("1","5","6","4","2","1","4","1") = "5"
    & skf21("1","5","6","4","2","1","5","1") = "5"
    & skf21("1","5","6","4","2","1","6","1") = "5"
    & skf21("1","5","6","4","2","1","7","1") = "6"
    & skf21("1","5","6","4","2","2","1","1") = "5"
    & skf21("1","5","6","4","2","2","2","1") = "5"
    & skf21("1","5","6","4","2","2","3","1") = "5"
    & skf21("1","5","6","4","2","2","4","1") = "5"
    & skf21("1","5","6","4","2","2","5","1") = "5"
    & skf21("1","5","6","4","2","2","6","1") = "5"
    & skf21("1","5","6","4","2","2","7","1") = "6"
    & skf21("1","5","6","4","2","3","1","1") = "5"
    & skf21("1","5","6","4","2","3","2","1") = "5"
    & skf21("1","5","6","4","2","3","3","1") = "5"
    & skf21("1","5","6","4","2","3","4","1") = "5"
    & skf21("1","5","6","4","2","3","5","1") = "5"
    & skf21("1","5","6","4","2","3","6","1") = "5"
    & skf21("1","5","6","4","2","3","7","1") = "6"
    & skf21("1","5","6","4","2","4","1","1") = "5"
    & skf21("1","5","6","4","2","4","2","1") = "5"
    & skf21("1","5","6","4","2","4","3","1") = "5"
    & skf21("1","5","6","4","2","4","4","1") = "5"
    & skf21("1","5","6","4","2","4","5","1") = "5"
    & skf21("1","5","6","4","2","4","6","1") = "5"
    & skf21("1","5","6","4","2","4","7","1") = "6"
    & skf21("1","5","6","4","2","5","1","1") = "5"
    & skf21("1","5","6","4","2","5","2","1") = "5"
    & skf21("1","5","6","4","2","5","3","1") = "5"
    & skf21("1","5","6","4","2","5","4","1") = "5"
    & skf21("1","5","6","4","2","5","5","1") = "5"
    & skf21("1","5","6","4","2","5","6","1") = "5"
    & skf21("1","5","6","4","2","5","7","1") = "6"
    & skf21("1","5","6","4","2","6","1","1") = "5"
    & skf21("1","5","6","4","2","6","2","1") = "5"
    & skf21("1","5","6","4","2","6","3","1") = "5"
    & skf21("1","5","6","4","2","6","4","1") = "5"
    & skf21("1","5","6","4","2","6","5","1") = "5"
    & skf21("1","5","6","4","2","6","6","1") = "5"
    & skf21("1","5","6","4","2","6","7","1") = "6"
    & skf21("1","5","6","4","2","7","1","1") = "6"
    & skf21("1","5","6","4","2","7","2","1") = "6"
    & skf21("1","5","6","4","2","7","3","1") = "6"
    & skf21("1","5","6","4","2","7","4","1") = "6"
    & skf21("1","5","6","4","2","7","5","1") = "6"
    & skf21("1","5","6","4","2","7","6","1") = "6"
    & skf21("1","5","6","4","2","7","7","1") = "6"
    & skf21("1","5","6","4","3","1","1","1") = "5"
    & skf21("1","5","6","4","3","1","2","1") = "5"
    & skf21("1","5","6","4","3","1","3","1") = "5"
    & skf21("1","5","6","4","3","1","4","1") = "5"
    & skf21("1","5","6","4","3","1","5","1") = "5"
    & skf21("1","5","6","4","3","1","6","1") = "5"
    & skf21("1","5","6","4","3","1","7","1") = "6"
    & skf21("1","5","6","4","3","2","1","1") = "5"
    & skf21("1","5","6","4","3","2","2","1") = "5"
    & skf21("1","5","6","4","3","2","3","1") = "5"
    & skf21("1","5","6","4","3","2","4","1") = "5"
    & skf21("1","5","6","4","3","2","5","1") = "5"
    & skf21("1","5","6","4","3","2","6","1") = "5"
    & skf21("1","5","6","4","3","2","7","1") = "6"
    & skf21("1","5","6","4","3","3","1","1") = "5"
    & skf21("1","5","6","4","3","3","2","1") = "5"
    & skf21("1","5","6","4","3","3","3","1") = "5"
    & skf21("1","5","6","4","3","3","4","1") = "5"
    & skf21("1","5","6","4","3","3","5","1") = "5"
    & skf21("1","5","6","4","3","3","6","1") = "5"
    & skf21("1","5","6","4","3","3","7","1") = "6"
    & skf21("1","5","6","4","3","4","1","1") = "5"
    & skf21("1","5","6","4","3","4","2","1") = "5"
    & skf21("1","5","6","4","3","4","3","1") = "5"
    & skf21("1","5","6","4","3","4","4","1") = "5"
    & skf21("1","5","6","4","3","4","5","1") = "5"
    & skf21("1","5","6","4","3","4","6","1") = "5"
    & skf21("1","5","6","4","3","4","7","1") = "6"
    & skf21("1","5","6","4","3","5","1","1") = "5"
    & skf21("1","5","6","4","3","5","2","1") = "5"
    & skf21("1","5","6","4","3","5","3","1") = "5"
    & skf21("1","5","6","4","3","5","4","1") = "5"
    & skf21("1","5","6","4","3","5","5","1") = "5"
    & skf21("1","5","6","4","3","5","6","1") = "5"
    & skf21("1","5","6","4","3","5","7","1") = "6"
    & skf21("1","5","6","4","3","6","1","1") = "5"
    & skf21("1","5","6","4","3","6","2","1") = "5"
    & skf21("1","5","6","4","3","6","3","1") = "5"
    & skf21("1","5","6","4","3","6","4","1") = "5"
    & skf21("1","5","6","4","3","6","5","1") = "5"
    & skf21("1","5","6","4","3","6","6","1") = "5"
    & skf21("1","5","6","4","3","6","7","1") = "6"
    & skf21("1","5","6","4","3","7","1","1") = "6"
    & skf21("1","5","6","4","3","7","2","1") = "6"
    & skf21("1","5","6","4","3","7","3","1") = "6"
    & skf21("1","5","6","4","3","7","4","1") = "6"
    & skf21("1","5","6","4","3","7","5","1") = "6"
    & skf21("1","5","6","4","3","7","6","1") = "6"
    & skf21("1","5","6","4","3","7","7","1") = "6"
    & skf21("1","5","6","4","4","1","1","1") = "5"
    & skf21("1","5","6","4","4","1","2","1") = "5"
    & skf21("1","5","6","4","4","1","3","1") = "5"
    & skf21("1","5","6","4","4","1","4","1") = "5"
    & skf21("1","5","6","4","4","1","5","1") = "5"
    & skf21("1","5","6","4","4","1","6","1") = "5"
    & skf21("1","5","6","4","4","1","7","1") = "6"
    & skf21("1","5","6","4","4","2","1","1") = "5"
    & skf21("1","5","6","4","4","2","2","1") = "5"
    & skf21("1","5","6","4","4","2","3","1") = "5"
    & skf21("1","5","6","4","4","2","4","1") = "5"
    & skf21("1","5","6","4","4","2","5","1") = "5"
    & skf21("1","5","6","4","4","2","6","1") = "5"
    & skf21("1","5","6","4","4","2","7","1") = "6"
    & skf21("1","5","6","4","4","3","1","1") = "5"
    & skf21("1","5","6","4","4","3","2","1") = "5"
    & skf21("1","5","6","4","4","3","3","1") = "5"
    & skf21("1","5","6","4","4","3","4","1") = "5"
    & skf21("1","5","6","4","4","3","5","1") = "5"
    & skf21("1","5","6","4","4","3","6","1") = "5"
    & skf21("1","5","6","4","4","3","7","1") = "6"
    & skf21("1","5","6","4","4","4","1","1") = "5"
    & skf21("1","5","6","4","4","4","2","1") = "5"
    & skf21("1","5","6","4","4","4","3","1") = "5"
    & skf21("1","5","6","4","4","4","4","1") = "5"
    & skf21("1","5","6","4","4","4","5","1") = "5"
    & skf21("1","5","6","4","4","4","6","1") = "5"
    & skf21("1","5","6","4","4","4","7","1") = "6"
    & skf21("1","5","6","4","4","5","1","1") = "5"
    & skf21("1","5","6","4","4","5","2","1") = "5"
    & skf21("1","5","6","4","4","5","3","1") = "5"
    & skf21("1","5","6","4","4","5","4","1") = "5"
    & skf21("1","5","6","4","4","5","5","1") = "5"
    & skf21("1","5","6","4","4","5","6","1") = "5"
    & skf21("1","5","6","4","4","5","7","1") = "6"
    & skf21("1","5","6","4","4","6","1","1") = "5"
    & skf21("1","5","6","4","4","6","2","1") = "5"
    & skf21("1","5","6","4","4","6","3","1") = "5"
    & skf21("1","5","6","4","4","6","4","1") = "5"
    & skf21("1","5","6","4","4","6","5","1") = "5"
    & skf21("1","5","6","4","4","6","6","1") = "5"
    & skf21("1","5","6","4","4","6","7","1") = "6"
    & skf21("1","5","6","4","4","7","1","1") = "6"
    & skf21("1","5","6","4","4","7","2","1") = "6"
    & skf21("1","5","6","4","4","7","3","1") = "6"
    & skf21("1","5","6","4","4","7","4","1") = "6"
    & skf21("1","5","6","4","4","7","5","1") = "6"
    & skf21("1","5","6","4","4","7","6","1") = "6"
    & skf21("1","5","6","4","4","7","7","1") = "6"
    & skf21("1","5","6","4","5","1","1","1") = "5"
    & skf21("1","5","6","4","5","1","2","1") = "5"
    & skf21("1","5","6","4","5","1","3","1") = "5"
    & skf21("1","5","6","4","5","1","4","1") = "5"
    & skf21("1","5","6","4","5","1","5","1") = "5"
    & skf21("1","5","6","4","5","1","6","1") = "5"
    & skf21("1","5","6","4","5","1","7","1") = "6"
    & skf21("1","5","6","4","5","2","1","1") = "5"
    & skf21("1","5","6","4","5","2","2","1") = "5"
    & skf21("1","5","6","4","5","2","3","1") = "5"
    & skf21("1","5","6","4","5","2","4","1") = "5"
    & skf21("1","5","6","4","5","2","5","1") = "5"
    & skf21("1","5","6","4","5","2","6","1") = "5"
    & skf21("1","5","6","4","5","2","7","1") = "6"
    & skf21("1","5","6","4","5","3","1","1") = "5"
    & skf21("1","5","6","4","5","3","2","1") = "5"
    & skf21("1","5","6","4","5","3","3","1") = "5"
    & skf21("1","5","6","4","5","3","4","1") = "5"
    & skf21("1","5","6","4","5","3","5","1") = "5"
    & skf21("1","5","6","4","5","3","6","1") = "5"
    & skf21("1","5","6","4","5","3","7","1") = "6"
    & skf21("1","5","6","4","5","4","1","1") = "5"
    & skf21("1","5","6","4","5","4","2","1") = "5"
    & skf21("1","5","6","4","5","4","3","1") = "5"
    & skf21("1","5","6","4","5","4","4","1") = "5"
    & skf21("1","5","6","4","5","4","5","1") = "5"
    & skf21("1","5","6","4","5","4","6","1") = "5"
    & skf21("1","5","6","4","5","4","7","1") = "6"
    & skf21("1","5","6","4","5","5","1","1") = "5"
    & skf21("1","5","6","4","5","5","2","1") = "5"
    & skf21("1","5","6","4","5","5","3","1") = "5"
    & skf21("1","5","6","4","5","5","4","1") = "5"
    & skf21("1","5","6","4","5","5","5","1") = "5"
    & skf21("1","5","6","4","5","5","6","1") = "5"
    & skf21("1","5","6","4","5","5","7","1") = "6"
    & skf21("1","5","6","4","5","6","1","1") = "5"
    & skf21("1","5","6","4","5","6","2","1") = "5"
    & skf21("1","5","6","4","5","6","3","1") = "5"
    & skf21("1","5","6","4","5","6","4","1") = "5"
    & skf21("1","5","6","4","5","6","5","1") = "5"
    & skf21("1","5","6","4","5","6","6","1") = "5"
    & skf21("1","5","6","4","5","6","7","1") = "6"
    & skf21("1","5","6","4","5","7","1","1") = "6"
    & skf21("1","5","6","4","5","7","2","1") = "6"
    & skf21("1","5","6","4","5","7","3","1") = "6"
    & skf21("1","5","6","4","5","7","4","1") = "6"
    & skf21("1","5","6","4","5","7","5","1") = "6"
    & skf21("1","5","6","4","5","7","6","1") = "6"
    & skf21("1","5","6","4","5","7","7","1") = "6"
    & skf21("1","5","6","4","6","1","1","1") = "5"
    & skf21("1","5","6","4","6","1","2","1") = "5"
    & skf21("1","5","6","4","6","1","3","1") = "5"
    & skf21("1","5","6","4","6","1","4","1") = "5"
    & skf21("1","5","6","4","6","1","5","1") = "5"
    & skf21("1","5","6","4","6","1","6","1") = "5"
    & skf21("1","5","6","4","6","1","7","1") = "6"
    & skf21("1","5","6","4","6","2","1","1") = "5"
    & skf21("1","5","6","4","6","2","2","1") = "5"
    & skf21("1","5","6","4","6","2","3","1") = "5"
    & skf21("1","5","6","4","6","2","4","1") = "5"
    & skf21("1","5","6","4","6","2","5","1") = "5"
    & skf21("1","5","6","4","6","2","6","1") = "5"
    & skf21("1","5","6","4","6","2","7","1") = "6"
    & skf21("1","5","6","4","6","3","1","1") = "5"
    & skf21("1","5","6","4","6","3","2","1") = "5"
    & skf21("1","5","6","4","6","3","3","1") = "5"
    & skf21("1","5","6","4","6","3","4","1") = "5"
    & skf21("1","5","6","4","6","3","5","1") = "5"
    & skf21("1","5","6","4","6","3","6","1") = "5"
    & skf21("1","5","6","4","6","3","7","1") = "6"
    & skf21("1","5","6","4","6","4","1","1") = "5"
    & skf21("1","5","6","4","6","4","2","1") = "5"
    & skf21("1","5","6","4","6","4","3","1") = "5"
    & skf21("1","5","6","4","6","4","4","1") = "5"
    & skf21("1","5","6","4","6","4","5","1") = "5"
    & skf21("1","5","6","4","6","4","6","1") = "5"
    & skf21("1","5","6","4","6","4","7","1") = "6"
    & skf21("1","5","6","4","6","5","1","1") = "5"
    & skf21("1","5","6","4","6","5","2","1") = "5"
    & skf21("1","5","6","4","6","5","3","1") = "5"
    & skf21("1","5","6","4","6","5","4","1") = "5"
    & skf21("1","5","6","4","6","5","5","1") = "5"
    & skf21("1","5","6","4","6","5","6","1") = "5"
    & skf21("1","5","6","4","6","5","7","1") = "6"
    & skf21("1","5","6","4","6","6","1","1") = "5"
    & skf21("1","5","6","4","6","6","2","1") = "5"
    & skf21("1","5","6","4","6","6","3","1") = "5"
    & skf21("1","5","6","4","6","6","4","1") = "5"
    & skf21("1","5","6","4","6","6","5","1") = "5"
    & skf21("1","5","6","4","6","6","6","1") = "5"
    & skf21("1","5","6","4","6","6","7","1") = "6"
    & skf21("1","5","6","4","6","7","1","1") = "6"
    & skf21("1","5","6","4","6","7","2","1") = "6"
    & skf21("1","5","6","4","6","7","3","1") = "6"
    & skf21("1","5","6","4","6","7","4","1") = "6"
    & skf21("1","5","6","4","6","7","5","1") = "6"
    & skf21("1","5","6","4","6","7","6","1") = "6"
    & skf21("1","5","6","4","6","7","7","1") = "6"
    & skf21("1","5","6","4","7","1","1","1") = "6"
    & skf21("1","5","6","4","7","1","2","1") = "6"
    & skf21("1","5","6","4","7","1","3","1") = "6"
    & skf21("1","5","6","4","7","1","4","1") = "6"
    & skf21("1","5","6","4","7","1","5","1") = "6"
    & skf21("1","5","6","4","7","1","6","1") = "6"
    & skf21("1","5","6","4","7","1","7","1") = "6"
    & skf21("1","5","6","4","7","2","1","1") = "6"
    & skf21("1","5","6","4","7","2","2","1") = "6"
    & skf21("1","5","6","4","7","2","3","1") = "6"
    & skf21("1","5","6","4","7","2","4","1") = "6"
    & skf21("1","5","6","4","7","2","5","1") = "6"
    & skf21("1","5","6","4","7","2","6","1") = "6"
    & skf21("1","5","6","4","7","2","7","1") = "6"
    & skf21("1","5","6","4","7","3","1","1") = "6"
    & skf21("1","5","6","4","7","3","2","1") = "6"
    & skf21("1","5","6","4","7","3","3","1") = "6"
    & skf21("1","5","6","4","7","3","4","1") = "6"
    & skf21("1","5","6","4","7","3","5","1") = "6"
    & skf21("1","5","6","4","7","3","6","1") = "6"
    & skf21("1","5","6","4","7","3","7","1") = "6"
    & skf21("1","5","6","4","7","4","1","1") = "6"
    & skf21("1","5","6","4","7","4","2","1") = "6"
    & skf21("1","5","6","4","7","4","3","1") = "6"
    & skf21("1","5","6","4","7","4","4","1") = "6"
    & skf21("1","5","6","4","7","4","5","1") = "6"
    & skf21("1","5","6","4","7","4","6","1") = "6"
    & skf21("1","5","6","4","7","4","7","1") = "6"
    & skf21("1","5","6","4","7","5","1","1") = "6"
    & skf21("1","5","6","4","7","5","2","1") = "6"
    & skf21("1","5","6","4","7","5","3","1") = "6"
    & skf21("1","5","6","4","7","5","4","1") = "6"
    & skf21("1","5","6","4","7","5","5","1") = "6"
    & skf21("1","5","6","4","7","5","6","1") = "6"
    & skf21("1","5","6","4","7","5","7","1") = "6"
    & skf21("1","5","6","4","7","6","1","1") = "6"
    & skf21("1","5","6","4","7","6","2","1") = "6"
    & skf21("1","5","6","4","7","6","3","1") = "6"
    & skf21("1","5","6","4","7","6","4","1") = "6"
    & skf21("1","5","6","4","7","6","5","1") = "6"
    & skf21("1","5","6","4","7","6","6","1") = "6"
    & skf21("1","5","6","4","7","6","7","1") = "6"
    & skf21("1","5","6","4","7","7","1","1") = "6"
    & skf21("1","5","6","4","7","7","2","1") = "6"
    & skf21("1","5","6","4","7","7","3","1") = "6"
    & skf21("1","5","6","4","7","7","4","1") = "6"
    & skf21("1","5","6","4","7","7","5","1") = "6"
    & skf21("1","5","6","4","7","7","6","1") = "6"
    & skf21("1","5","6","4","7","7","7","1") = "6"
    & skf21("1","5","6","5","1","1","1","1") = "5"
    & skf21("1","5","6","5","1","1","2","1") = "5"
    & skf21("1","5","6","5","1","1","3","1") = "5"
    & skf21("1","5","6","5","1","1","4","1") = "5"
    & skf21("1","5","6","5","1","1","5","1") = "5"
    & skf21("1","5","6","5","1","1","6","1") = "5"
    & skf21("1","5","6","5","1","1","7","1") = "6"
    & skf21("1","5","6","5","1","2","1","1") = "5"
    & skf21("1","5","6","5","1","2","2","1") = "5"
    & skf21("1","5","6","5","1","2","3","1") = "5"
    & skf21("1","5","6","5","1","2","4","1") = "5"
    & skf21("1","5","6","5","1","2","5","1") = "5"
    & skf21("1","5","6","5","1","2","6","1") = "5"
    & skf21("1","5","6","5","1","2","7","1") = "6"
    & skf21("1","5","6","5","1","3","1","1") = "5"
    & skf21("1","5","6","5","1","3","2","1") = "5"
    & skf21("1","5","6","5","1","3","3","1") = "5"
    & skf21("1","5","6","5","1","3","4","1") = "5"
    & skf21("1","5","6","5","1","3","5","1") = "5"
    & skf21("1","5","6","5","1","3","6","1") = "5"
    & skf21("1","5","6","5","1","3","7","1") = "6"
    & skf21("1","5","6","5","1","4","1","1") = "5"
    & skf21("1","5","6","5","1","4","2","1") = "5"
    & skf21("1","5","6","5","1","4","3","1") = "5"
    & skf21("1","5","6","5","1","4","4","1") = "5"
    & skf21("1","5","6","5","1","4","5","1") = "5"
    & skf21("1","5","6","5","1","4","6","1") = "5"
    & skf21("1","5","6","5","1","4","7","1") = "6"
    & skf21("1","5","6","5","1","5","1","1") = "5"
    & skf21("1","5","6","5","1","5","2","1") = "5"
    & skf21("1","5","6","5","1","5","3","1") = "5"
    & skf21("1","5","6","5","1","5","4","1") = "5"
    & skf21("1","5","6","5","1","5","5","1") = "5"
    & skf21("1","5","6","5","1","5","6","1") = "5"
    & skf21("1","5","6","5","1","5","7","1") = "6"
    & skf21("1","5","6","5","1","6","1","1") = "5"
    & skf21("1","5","6","5","1","6","2","1") = "5"
    & skf21("1","5","6","5","1","6","3","1") = "5"
    & skf21("1","5","6","5","1","6","4","1") = "5"
    & skf21("1","5","6","5","1","6","5","1") = "5"
    & skf21("1","5","6","5","1","6","6","1") = "5"
    & skf21("1","5","6","5","1","6","7","1") = "6"
    & skf21("1","5","6","5","1","7","1","1") = "6"
    & skf21("1","5","6","5","1","7","2","1") = "6"
    & skf21("1","5","6","5","1","7","3","1") = "6"
    & skf21("1","5","6","5","1","7","4","1") = "6"
    & skf21("1","5","6","5","1","7","5","1") = "6"
    & skf21("1","5","6","5","1","7","6","1") = "6"
    & skf21("1","5","6","5","1","7","7","1") = "6"
    & skf21("1","5","6","5","2","1","1","1") = "5"
    & skf21("1","5","6","5","2","1","2","1") = "5"
    & skf21("1","5","6","5","2","1","3","1") = "5"
    & skf21("1","5","6","5","2","1","4","1") = "5"
    & skf21("1","5","6","5","2","1","5","1") = "5"
    & skf21("1","5","6","5","2","1","6","1") = "5"
    & skf21("1","5","6","5","2","1","7","1") = "6"
    & skf21("1","5","6","5","2","2","1","1") = "5"
    & skf21("1","5","6","5","2","2","2","1") = "5"
    & skf21("1","5","6","5","2","2","3","1") = "5"
    & skf21("1","5","6","5","2","2","4","1") = "5"
    & skf21("1","5","6","5","2","2","5","1") = "5"
    & skf21("1","5","6","5","2","2","6","1") = "5"
    & skf21("1","5","6","5","2","2","7","1") = "6"
    & skf21("1","5","6","5","2","3","1","1") = "5"
    & skf21("1","5","6","5","2","3","2","1") = "5"
    & skf21("1","5","6","5","2","3","3","1") = "5"
    & skf21("1","5","6","5","2","3","4","1") = "5"
    & skf21("1","5","6","5","2","3","5","1") = "5"
    & skf21("1","5","6","5","2","3","6","1") = "5"
    & skf21("1","5","6","5","2","3","7","1") = "6"
    & skf21("1","5","6","5","2","4","1","1") = "5"
    & skf21("1","5","6","5","2","4","2","1") = "5"
    & skf21("1","5","6","5","2","4","3","1") = "5"
    & skf21("1","5","6","5","2","4","4","1") = "5"
    & skf21("1","5","6","5","2","4","5","1") = "5"
    & skf21("1","5","6","5","2","4","6","1") = "5"
    & skf21("1","5","6","5","2","4","7","1") = "6"
    & skf21("1","5","6","5","2","5","1","1") = "5"
    & skf21("1","5","6","5","2","5","2","1") = "5"
    & skf21("1","5","6","5","2","5","3","1") = "5"
    & skf21("1","5","6","5","2","5","4","1") = "5"
    & skf21("1","5","6","5","2","5","5","1") = "5"
    & skf21("1","5","6","5","2","5","6","1") = "5"
    & skf21("1","5","6","5","2","5","7","1") = "6"
    & skf21("1","5","6","5","2","6","1","1") = "5"
    & skf21("1","5","6","5","2","6","2","1") = "5"
    & skf21("1","5","6","5","2","6","3","1") = "5"
    & skf21("1","5","6","5","2","6","4","1") = "5"
    & skf21("1","5","6","5","2","6","5","1") = "5"
    & skf21("1","5","6","5","2","6","6","1") = "5"
    & skf21("1","5","6","5","2","6","7","1") = "6"
    & skf21("1","5","6","5","2","7","1","1") = "6"
    & skf21("1","5","6","5","2","7","2","1") = "6"
    & skf21("1","5","6","5","2","7","3","1") = "6"
    & skf21("1","5","6","5","2","7","4","1") = "6"
    & skf21("1","5","6","5","2","7","5","1") = "6"
    & skf21("1","5","6","5","2","7","6","1") = "6"
    & skf21("1","5","6","5","2","7","7","1") = "6"
    & skf21("1","5","6","5","3","1","1","1") = "5"
    & skf21("1","5","6","5","3","1","2","1") = "5"
    & skf21("1","5","6","5","3","1","3","1") = "5"
    & skf21("1","5","6","5","3","1","4","1") = "5"
    & skf21("1","5","6","5","3","1","5","1") = "5"
    & skf21("1","5","6","5","3","1","6","1") = "5"
    & skf21("1","5","6","5","3","1","7","1") = "6"
    & skf21("1","5","6","5","3","2","1","1") = "5"
    & skf21("1","5","6","5","3","2","2","1") = "5"
    & skf21("1","5","6","5","3","2","3","1") = "5"
    & skf21("1","5","6","5","3","2","4","1") = "5"
    & skf21("1","5","6","5","3","2","5","1") = "5"
    & skf21("1","5","6","5","3","2","6","1") = "5"
    & skf21("1","5","6","5","3","2","7","1") = "6"
    & skf21("1","5","6","5","3","3","1","1") = "5"
    & skf21("1","5","6","5","3","3","2","1") = "5"
    & skf21("1","5","6","5","3","3","3","1") = "5"
    & skf21("1","5","6","5","3","3","4","1") = "5"
    & skf21("1","5","6","5","3","3","5","1") = "5"
    & skf21("1","5","6","5","3","3","6","1") = "5"
    & skf21("1","5","6","5","3","3","7","1") = "6"
    & skf21("1","5","6","5","3","4","1","1") = "5"
    & skf21("1","5","6","5","3","4","2","1") = "5"
    & skf21("1","5","6","5","3","4","3","1") = "5"
    & skf21("1","5","6","5","3","4","4","1") = "5"
    & skf21("1","5","6","5","3","4","5","1") = "5"
    & skf21("1","5","6","5","3","4","6","1") = "5"
    & skf21("1","5","6","5","3","4","7","1") = "6"
    & skf21("1","5","6","5","3","5","1","1") = "5"
    & skf21("1","5","6","5","3","5","2","1") = "5"
    & skf21("1","5","6","5","3","5","3","1") = "5"
    & skf21("1","5","6","5","3","5","4","1") = "5"
    & skf21("1","5","6","5","3","5","5","1") = "5"
    & skf21("1","5","6","5","3","5","6","1") = "5"
    & skf21("1","5","6","5","3","5","7","1") = "6"
    & skf21("1","5","6","5","3","6","1","1") = "5"
    & skf21("1","5","6","5","3","6","2","1") = "5"
    & skf21("1","5","6","5","3","6","3","1") = "5"
    & skf21("1","5","6","5","3","6","4","1") = "5"
    & skf21("1","5","6","5","3","6","5","1") = "5"
    & skf21("1","5","6","5","3","6","6","1") = "5"
    & skf21("1","5","6","5","3","6","7","1") = "6"
    & skf21("1","5","6","5","3","7","1","1") = "6"
    & skf21("1","5","6","5","3","7","2","1") = "6"
    & skf21("1","5","6","5","3","7","3","1") = "6"
    & skf21("1","5","6","5","3","7","4","1") = "6"
    & skf21("1","5","6","5","3","7","5","1") = "6"
    & skf21("1","5","6","5","3","7","6","1") = "6"
    & skf21("1","5","6","5","3","7","7","1") = "6"
    & skf21("1","5","6","5","4","1","1","1") = "5"
    & skf21("1","5","6","5","4","1","2","1") = "5"
    & skf21("1","5","6","5","4","1","3","1") = "5"
    & skf21("1","5","6","5","4","1","4","1") = "5"
    & skf21("1","5","6","5","4","1","5","1") = "5"
    & skf21("1","5","6","5","4","1","6","1") = "5"
    & skf21("1","5","6","5","4","1","7","1") = "6"
    & skf21("1","5","6","5","4","2","1","1") = "5"
    & skf21("1","5","6","5","4","2","2","1") = "5"
    & skf21("1","5","6","5","4","2","3","1") = "5"
    & skf21("1","5","6","5","4","2","4","1") = "5"
    & skf21("1","5","6","5","4","2","5","1") = "5"
    & skf21("1","5","6","5","4","2","6","1") = "5"
    & skf21("1","5","6","5","4","2","7","1") = "6"
    & skf21("1","5","6","5","4","3","1","1") = "5"
    & skf21("1","5","6","5","4","3","2","1") = "5"
    & skf21("1","5","6","5","4","3","3","1") = "5"
    & skf21("1","5","6","5","4","3","4","1") = "5"
    & skf21("1","5","6","5","4","3","5","1") = "5"
    & skf21("1","5","6","5","4","3","6","1") = "5"
    & skf21("1","5","6","5","4","3","7","1") = "6"
    & skf21("1","5","6","5","4","4","1","1") = "5"
    & skf21("1","5","6","5","4","4","2","1") = "5"
    & skf21("1","5","6","5","4","4","3","1") = "5"
    & skf21("1","5","6","5","4","4","4","1") = "5"
    & skf21("1","5","6","5","4","4","5","1") = "5"
    & skf21("1","5","6","5","4","4","6","1") = "5"
    & skf21("1","5","6","5","4","4","7","1") = "6"
    & skf21("1","5","6","5","4","5","1","1") = "5"
    & skf21("1","5","6","5","4","5","2","1") = "5"
    & skf21("1","5","6","5","4","5","3","1") = "5"
    & skf21("1","5","6","5","4","5","4","1") = "5"
    & skf21("1","5","6","5","4","5","5","1") = "5"
    & skf21("1","5","6","5","4","5","6","1") = "5"
    & skf21("1","5","6","5","4","5","7","1") = "6"
    & skf21("1","5","6","5","4","6","1","1") = "5"
    & skf21("1","5","6","5","4","6","2","1") = "5"
    & skf21("1","5","6","5","4","6","3","1") = "5"
    & skf21("1","5","6","5","4","6","4","1") = "5"
    & skf21("1","5","6","5","4","6","5","1") = "5"
    & skf21("1","5","6","5","4","6","6","1") = "5"
    & skf21("1","5","6","5","4","6","7","1") = "6"
    & skf21("1","5","6","5","4","7","1","1") = "6"
    & skf21("1","5","6","5","4","7","2","1") = "6"
    & skf21("1","5","6","5","4","7","3","1") = "6"
    & skf21("1","5","6","5","4","7","4","1") = "6"
    & skf21("1","5","6","5","4","7","5","1") = "6"
    & skf21("1","5","6","5","4","7","6","1") = "6"
    & skf21("1","5","6","5","4","7","7","1") = "6"
    & skf21("1","5","6","5","5","1","1","1") = "5"
    & skf21("1","5","6","5","5","1","2","1") = "5"
    & skf21("1","5","6","5","5","1","3","1") = "5"
    & skf21("1","5","6","5","5","1","4","1") = "5"
    & skf21("1","5","6","5","5","1","5","1") = "5"
    & skf21("1","5","6","5","5","1","6","1") = "5"
    & skf21("1","5","6","5","5","1","7","1") = "6"
    & skf21("1","5","6","5","5","2","1","1") = "5"
    & skf21("1","5","6","5","5","2","2","1") = "5"
    & skf21("1","5","6","5","5","2","3","1") = "5"
    & skf21("1","5","6","5","5","2","4","1") = "5"
    & skf21("1","5","6","5","5","2","5","1") = "5"
    & skf21("1","5","6","5","5","2","6","1") = "5"
    & skf21("1","5","6","5","5","2","7","1") = "6"
    & skf21("1","5","6","5","5","3","1","1") = "5"
    & skf21("1","5","6","5","5","3","2","1") = "5"
    & skf21("1","5","6","5","5","3","3","1") = "5"
    & skf21("1","5","6","5","5","3","4","1") = "5"
    & skf21("1","5","6","5","5","3","5","1") = "5"
    & skf21("1","5","6","5","5","3","6","1") = "5"
    & skf21("1","5","6","5","5","3","7","1") = "6"
    & skf21("1","5","6","5","5","4","1","1") = "5"
    & skf21("1","5","6","5","5","4","2","1") = "5"
    & skf21("1","5","6","5","5","4","3","1") = "5"
    & skf21("1","5","6","5","5","4","4","1") = "5"
    & skf21("1","5","6","5","5","4","5","1") = "5"
    & skf21("1","5","6","5","5","4","6","1") = "5"
    & skf21("1","5","6","5","5","4","7","1") = "6"
    & skf21("1","5","6","5","5","5","1","1") = "5"
    & skf21("1","5","6","5","5","5","2","1") = "5"
    & skf21("1","5","6","5","5","5","3","1") = "5"
    & skf21("1","5","6","5","5","5","4","1") = "5"
    & skf21("1","5","6","5","5","5","5","1") = "5"
    & skf21("1","5","6","5","5","5","6","1") = "5"
    & skf21("1","5","6","5","5","5","7","1") = "6"
    & skf21("1","5","6","5","5","6","1","1") = "5"
    & skf21("1","5","6","5","5","6","2","1") = "5"
    & skf21("1","5","6","5","5","6","3","1") = "5"
    & skf21("1","5","6","5","5","6","4","1") = "5"
    & skf21("1","5","6","5","5","6","5","1") = "5"
    & skf21("1","5","6","5","5","6","6","1") = "5"
    & skf21("1","5","6","5","5","6","7","1") = "6"
    & skf21("1","5","6","5","5","7","1","1") = "6"
    & skf21("1","5","6","5","5","7","2","1") = "6"
    & skf21("1","5","6","5","5","7","3","1") = "6"
    & skf21("1","5","6","5","5","7","4","1") = "6"
    & skf21("1","5","6","5","5","7","5","1") = "6"
    & skf21("1","5","6","5","5","7","6","1") = "6"
    & skf21("1","5","6","5","5","7","7","1") = "6"
    & skf21("1","5","6","5","6","1","1","1") = "5"
    & skf21("1","5","6","5","6","1","2","1") = "5"
    & skf21("1","5","6","5","6","1","3","1") = "5"
    & skf21("1","5","6","5","6","1","4","1") = "5"
    & skf21("1","5","6","5","6","1","5","1") = "5"
    & skf21("1","5","6","5","6","1","6","1") = "5"
    & skf21("1","5","6","5","6","1","7","1") = "6"
    & skf21("1","5","6","5","6","2","1","1") = "5"
    & skf21("1","5","6","5","6","2","2","1") = "5"
    & skf21("1","5","6","5","6","2","3","1") = "5"
    & skf21("1","5","6","5","6","2","4","1") = "5"
    & skf21("1","5","6","5","6","2","5","1") = "5"
    & skf21("1","5","6","5","6","2","6","1") = "5"
    & skf21("1","5","6","5","6","2","7","1") = "6"
    & skf21("1","5","6","5","6","3","1","1") = "5"
    & skf21("1","5","6","5","6","3","2","1") = "5"
    & skf21("1","5","6","5","6","3","3","1") = "5"
    & skf21("1","5","6","5","6","3","4","1") = "5"
    & skf21("1","5","6","5","6","3","5","1") = "5"
    & skf21("1","5","6","5","6","3","6","1") = "5"
    & skf21("1","5","6","5","6","3","7","1") = "6"
    & skf21("1","5","6","5","6","4","1","1") = "5"
    & skf21("1","5","6","5","6","4","2","1") = "5"
    & skf21("1","5","6","5","6","4","3","1") = "5"
    & skf21("1","5","6","5","6","4","4","1") = "5"
    & skf21("1","5","6","5","6","4","5","1") = "5"
    & skf21("1","5","6","5","6","4","6","1") = "5"
    & skf21("1","5","6","5","6","4","7","1") = "6"
    & skf21("1","5","6","5","6","5","1","1") = "5"
    & skf21("1","5","6","5","6","5","2","1") = "5"
    & skf21("1","5","6","5","6","5","3","1") = "5"
    & skf21("1","5","6","5","6","5","4","1") = "5"
    & skf21("1","5","6","5","6","5","5","1") = "5"
    & skf21("1","5","6","5","6","5","6","1") = "5"
    & skf21("1","5","6","5","6","5","7","1") = "6"
    & skf21("1","5","6","5","6","6","1","1") = "5"
    & skf21("1","5","6","5","6","6","2","1") = "5"
    & skf21("1","5","6","5","6","6","3","1") = "5"
    & skf21("1","5","6","5","6","6","4","1") = "5"
    & skf21("1","5","6","5","6","6","5","1") = "5"
    & skf21("1","5","6","5","6","6","6","1") = "5"
    & skf21("1","5","6","5","6","6","7","1") = "6"
    & skf21("1","5","6","5","6","7","1","1") = "6"
    & skf21("1","5","6","5","6","7","2","1") = "6"
    & skf21("1","5","6","5","6","7","3","1") = "6"
    & skf21("1","5","6","5","6","7","4","1") = "6"
    & skf21("1","5","6","5","6","7","5","1") = "6"
    & skf21("1","5","6","5","6","7","6","1") = "6"
    & skf21("1","5","6","5","6","7","7","1") = "6"
    & skf21("1","5","6","5","7","1","1","1") = "6"
    & skf21("1","5","6","5","7","1","2","1") = "6"
    & skf21("1","5","6","5","7","1","3","1") = "6"
    & skf21("1","5","6","5","7","1","4","1") = "6"
    & skf21("1","5","6","5","7","1","5","1") = "6"
    & skf21("1","5","6","5","7","1","6","1") = "6"
    & skf21("1","5","6","5","7","1","7","1") = "6"
    & skf21("1","5","6","5","7","2","1","1") = "6"
    & skf21("1","5","6","5","7","2","2","1") = "6"
    & skf21("1","5","6","5","7","2","3","1") = "6"
    & skf21("1","5","6","5","7","2","4","1") = "6"
    & skf21("1","5","6","5","7","2","5","1") = "6"
    & skf21("1","5","6","5","7","2","6","1") = "6"
    & skf21("1","5","6","5","7","2","7","1") = "6"
    & skf21("1","5","6","5","7","3","1","1") = "6"
    & skf21("1","5","6","5","7","3","2","1") = "6"
    & skf21("1","5","6","5","7","3","3","1") = "6"
    & skf21("1","5","6","5","7","3","4","1") = "6"
    & skf21("1","5","6","5","7","3","5","1") = "6"
    & skf21("1","5","6","5","7","3","6","1") = "6"
    & skf21("1","5","6","5","7","3","7","1") = "6"
    & skf21("1","5","6","5","7","4","1","1") = "6"
    & skf21("1","5","6","5","7","4","2","1") = "6"
    & skf21("1","5","6","5","7","4","3","1") = "6"
    & skf21("1","5","6","5","7","4","4","1") = "6"
    & skf21("1","5","6","5","7","4","5","1") = "6"
    & skf21("1","5","6","5","7","4","6","1") = "6"
    & skf21("1","5","6","5","7","4","7","1") = "6"
    & skf21("1","5","6","5","7","5","1","1") = "6"
    & skf21("1","5","6","5","7","5","2","1") = "6"
    & skf21("1","5","6","5","7","5","3","1") = "6"
    & skf21("1","5","6","5","7","5","4","1") = "6"
    & skf21("1","5","6","5","7","5","5","1") = "6"
    & skf21("1","5","6","5","7","5","6","1") = "6"
    & skf21("1","5","6","5","7","5","7","1") = "6"
    & skf21("1","5","6","5","7","6","1","1") = "6"
    & skf21("1","5","6","5","7","6","2","1") = "6"
    & skf21("1","5","6","5","7","6","3","1") = "6"
    & skf21("1","5","6","5","7","6","4","1") = "6"
    & skf21("1","5","6","5","7","6","5","1") = "6"
    & skf21("1","5","6","5","7","6","6","1") = "6"
    & skf21("1","5","6","5","7","6","7","1") = "6"
    & skf21("1","5","6","5","7","7","1","1") = "6"
    & skf21("1","5","6","5","7","7","2","1") = "6"
    & skf21("1","5","6","5","7","7","3","1") = "6"
    & skf21("1","5","6","5","7","7","4","1") = "6"
    & skf21("1","5","6","5","7","7","5","1") = "6"
    & skf21("1","5","6","5","7","7","6","1") = "6"
    & skf21("1","5","6","5","7","7","7","1") = "6"
    & skf21("1","5","6","6","1","1","1","1") = "5"
    & skf21("1","5","6","6","1","1","2","1") = "5"
    & skf21("1","5","6","6","1","1","3","1") = "5"
    & skf21("1","5","6","6","1","1","4","1") = "5"
    & skf21("1","5","6","6","1","1","5","1") = "5"
    & skf21("1","5","6","6","1","1","6","1") = "5"
    & skf21("1","5","6","6","1","1","7","1") = "6"
    & skf21("1","5","6","6","1","2","1","1") = "5"
    & skf21("1","5","6","6","1","2","2","1") = "5"
    & skf21("1","5","6","6","1","2","3","1") = "5"
    & skf21("1","5","6","6","1","2","4","1") = "5"
    & skf21("1","5","6","6","1","2","5","1") = "5"
    & skf21("1","5","6","6","1","2","6","1") = "5"
    & skf21("1","5","6","6","1","2","7","1") = "6"
    & skf21("1","5","6","6","1","3","1","1") = "5"
    & skf21("1","5","6","6","1","3","2","1") = "5"
    & skf21("1","5","6","6","1","3","3","1") = "5"
    & skf21("1","5","6","6","1","3","4","1") = "5"
    & skf21("1","5","6","6","1","3","5","1") = "5"
    & skf21("1","5","6","6","1","3","6","1") = "5"
    & skf21("1","5","6","6","1","3","7","1") = "6"
    & skf21("1","5","6","6","1","4","1","1") = "5"
    & skf21("1","5","6","6","1","4","2","1") = "5"
    & skf21("1","5","6","6","1","4","3","1") = "5"
    & skf21("1","5","6","6","1","4","4","1") = "5"
    & skf21("1","5","6","6","1","4","5","1") = "5"
    & skf21("1","5","6","6","1","4","6","1") = "5"
    & skf21("1","5","6","6","1","4","7","1") = "6"
    & skf21("1","5","6","6","1","5","1","1") = "5"
    & skf21("1","5","6","6","1","5","2","1") = "5"
    & skf21("1","5","6","6","1","5","3","1") = "5"
    & skf21("1","5","6","6","1","5","4","1") = "5"
    & skf21("1","5","6","6","1","5","5","1") = "5"
    & skf21("1","5","6","6","1","5","6","1") = "5"
    & skf21("1","5","6","6","1","5","7","1") = "6"
    & skf21("1","5","6","6","1","6","1","1") = "5"
    & skf21("1","5","6","6","1","6","2","1") = "5"
    & skf21("1","5","6","6","1","6","3","1") = "5"
    & skf21("1","5","6","6","1","6","4","1") = "5"
    & skf21("1","5","6","6","1","6","5","1") = "5"
    & skf21("1","5","6","6","1","6","6","1") = "5"
    & skf21("1","5","6","6","1","6","7","1") = "6"
    & skf21("1","5","6","6","1","7","1","1") = "6"
    & skf21("1","5","6","6","1","7","2","1") = "6"
    & skf21("1","5","6","6","1","7","3","1") = "6"
    & skf21("1","5","6","6","1","7","4","1") = "6"
    & skf21("1","5","6","6","1","7","5","1") = "6"
    & skf21("1","5","6","6","1","7","6","1") = "6"
    & skf21("1","5","6","6","1","7","7","1") = "6"
    & skf21("1","5","6","6","2","1","1","1") = "5"
    & skf21("1","5","6","6","2","1","2","1") = "5"
    & skf21("1","5","6","6","2","1","3","1") = "5"
    & skf21("1","5","6","6","2","1","4","1") = "5"
    & skf21("1","5","6","6","2","1","5","1") = "5"
    & skf21("1","5","6","6","2","1","6","1") = "5"
    & skf21("1","5","6","6","2","1","7","1") = "6"
    & skf21("1","5","6","6","2","2","1","1") = "5"
    & skf21("1","5","6","6","2","2","2","1") = "5"
    & skf21("1","5","6","6","2","2","3","1") = "5"
    & skf21("1","5","6","6","2","2","4","1") = "5"
    & skf21("1","5","6","6","2","2","5","1") = "5"
    & skf21("1","5","6","6","2","2","6","1") = "5"
    & skf21("1","5","6","6","2","2","7","1") = "6"
    & skf21("1","5","6","6","2","3","1","1") = "5"
    & skf21("1","5","6","6","2","3","2","1") = "5"
    & skf21("1","5","6","6","2","3","3","1") = "5"
    & skf21("1","5","6","6","2","3","4","1") = "5"
    & skf21("1","5","6","6","2","3","5","1") = "5"
    & skf21("1","5","6","6","2","3","6","1") = "5"
    & skf21("1","5","6","6","2","3","7","1") = "6"
    & skf21("1","5","6","6","2","4","1","1") = "5"
    & skf21("1","5","6","6","2","4","2","1") = "5"
    & skf21("1","5","6","6","2","4","3","1") = "5"
    & skf21("1","5","6","6","2","4","4","1") = "5"
    & skf21("1","5","6","6","2","4","5","1") = "5"
    & skf21("1","5","6","6","2","4","6","1") = "5"
    & skf21("1","5","6","6","2","4","7","1") = "6"
    & skf21("1","5","6","6","2","5","1","1") = "5"
    & skf21("1","5","6","6","2","5","2","1") = "5"
    & skf21("1","5","6","6","2","5","3","1") = "5"
    & skf21("1","5","6","6","2","5","4","1") = "5"
    & skf21("1","5","6","6","2","5","5","1") = "5"
    & skf21("1","5","6","6","2","5","6","1") = "5"
    & skf21("1","5","6","6","2","5","7","1") = "6"
    & skf21("1","5","6","6","2","6","1","1") = "5"
    & skf21("1","5","6","6","2","6","2","1") = "5"
    & skf21("1","5","6","6","2","6","3","1") = "5"
    & skf21("1","5","6","6","2","6","4","1") = "5"
    & skf21("1","5","6","6","2","6","5","1") = "5"
    & skf21("1","5","6","6","2","6","6","1") = "5"
    & skf21("1","5","6","6","2","6","7","1") = "6"
    & skf21("1","5","6","6","2","7","1","1") = "6"
    & skf21("1","5","6","6","2","7","2","1") = "6"
    & skf21("1","5","6","6","2","7","3","1") = "6"
    & skf21("1","5","6","6","2","7","4","1") = "6"
    & skf21("1","5","6","6","2","7","5","1") = "6"
    & skf21("1","5","6","6","2","7","6","1") = "6"
    & skf21("1","5","6","6","2","7","7","1") = "6"
    & skf21("1","5","6","6","3","1","1","1") = "5"
    & skf21("1","5","6","6","3","1","2","1") = "5"
    & skf21("1","5","6","6","3","1","3","1") = "5"
    & skf21("1","5","6","6","3","1","4","1") = "5"
    & skf21("1","5","6","6","3","1","5","1") = "5"
    & skf21("1","5","6","6","3","1","6","1") = "5"
    & skf21("1","5","6","6","3","1","7","1") = "6"
    & skf21("1","5","6","6","3","2","1","1") = "5"
    & skf21("1","5","6","6","3","2","2","1") = "5"
    & skf21("1","5","6","6","3","2","3","1") = "5"
    & skf21("1","5","6","6","3","2","4","1") = "5"
    & skf21("1","5","6","6","3","2","5","1") = "5"
    & skf21("1","5","6","6","3","2","6","1") = "5"
    & skf21("1","5","6","6","3","2","7","1") = "6"
    & skf21("1","5","6","6","3","3","1","1") = "5"
    & skf21("1","5","6","6","3","3","2","1") = "5"
    & skf21("1","5","6","6","3","3","3","1") = "5"
    & skf21("1","5","6","6","3","3","4","1") = "5"
    & skf21("1","5","6","6","3","3","5","1") = "5"
    & skf21("1","5","6","6","3","3","6","1") = "5"
    & skf21("1","5","6","6","3","3","7","1") = "6"
    & skf21("1","5","6","6","3","4","1","1") = "5"
    & skf21("1","5","6","6","3","4","2","1") = "5"
    & skf21("1","5","6","6","3","4","3","1") = "5"
    & skf21("1","5","6","6","3","4","4","1") = "5"
    & skf21("1","5","6","6","3","4","5","1") = "5"
    & skf21("1","5","6","6","3","4","6","1") = "5"
    & skf21("1","5","6","6","3","4","7","1") = "6"
    & skf21("1","5","6","6","3","5","1","1") = "5"
    & skf21("1","5","6","6","3","5","2","1") = "5"
    & skf21("1","5","6","6","3","5","3","1") = "5"
    & skf21("1","5","6","6","3","5","4","1") = "5"
    & skf21("1","5","6","6","3","5","5","1") = "5"
    & skf21("1","5","6","6","3","5","6","1") = "5"
    & skf21("1","5","6","6","3","5","7","1") = "6"
    & skf21("1","5","6","6","3","6","1","1") = "5"
    & skf21("1","5","6","6","3","6","2","1") = "5"
    & skf21("1","5","6","6","3","6","3","1") = "5"
    & skf21("1","5","6","6","3","6","4","1") = "5"
    & skf21("1","5","6","6","3","6","5","1") = "5"
    & skf21("1","5","6","6","3","6","6","1") = "5"
    & skf21("1","5","6","6","3","6","7","1") = "6"
    & skf21("1","5","6","6","3","7","1","1") = "6"
    & skf21("1","5","6","6","3","7","2","1") = "6"
    & skf21("1","5","6","6","3","7","3","1") = "6"
    & skf21("1","5","6","6","3","7","4","1") = "6"
    & skf21("1","5","6","6","3","7","5","1") = "6"
    & skf21("1","5","6","6","3","7","6","1") = "6"
    & skf21("1","5","6","6","3","7","7","1") = "6"
    & skf21("1","5","6","6","4","1","1","1") = "5"
    & skf21("1","5","6","6","4","1","2","1") = "5"
    & skf21("1","5","6","6","4","1","3","1") = "5"
    & skf21("1","5","6","6","4","1","4","1") = "5"
    & skf21("1","5","6","6","4","1","5","1") = "5"
    & skf21("1","5","6","6","4","1","6","1") = "5"
    & skf21("1","5","6","6","4","1","7","1") = "6"
    & skf21("1","5","6","6","4","2","1","1") = "5"
    & skf21("1","5","6","6","4","2","2","1") = "5"
    & skf21("1","5","6","6","4","2","3","1") = "5"
    & skf21("1","5","6","6","4","2","4","1") = "5"
    & skf21("1","5","6","6","4","2","5","1") = "5"
    & skf21("1","5","6","6","4","2","6","1") = "5"
    & skf21("1","5","6","6","4","2","7","1") = "6"
    & skf21("1","5","6","6","4","3","1","1") = "5"
    & skf21("1","5","6","6","4","3","2","1") = "5"
    & skf21("1","5","6","6","4","3","3","1") = "5"
    & skf21("1","5","6","6","4","3","4","1") = "5"
    & skf21("1","5","6","6","4","3","5","1") = "5"
    & skf21("1","5","6","6","4","3","6","1") = "5"
    & skf21("1","5","6","6","4","3","7","1") = "6"
    & skf21("1","5","6","6","4","4","1","1") = "5"
    & skf21("1","5","6","6","4","4","2","1") = "5"
    & skf21("1","5","6","6","4","4","3","1") = "5"
    & skf21("1","5","6","6","4","4","4","1") = "5"
    & skf21("1","5","6","6","4","4","5","1") = "5"
    & skf21("1","5","6","6","4","4","6","1") = "5"
    & skf21("1","5","6","6","4","4","7","1") = "6"
    & skf21("1","5","6","6","4","5","1","1") = "5"
    & skf21("1","5","6","6","4","5","2","1") = "5"
    & skf21("1","5","6","6","4","5","3","1") = "5"
    & skf21("1","5","6","6","4","5","4","1") = "5"
    & skf21("1","5","6","6","4","5","5","1") = "5"
    & skf21("1","5","6","6","4","5","6","1") = "5"
    & skf21("1","5","6","6","4","5","7","1") = "6"
    & skf21("1","5","6","6","4","6","1","1") = "5"
    & skf21("1","5","6","6","4","6","2","1") = "5"
    & skf21("1","5","6","6","4","6","3","1") = "5"
    & skf21("1","5","6","6","4","6","4","1") = "5"
    & skf21("1","5","6","6","4","6","5","1") = "5"
    & skf21("1","5","6","6","4","6","6","1") = "5"
    & skf21("1","5","6","6","4","6","7","1") = "6"
    & skf21("1","5","6","6","4","7","1","1") = "6"
    & skf21("1","5","6","6","4","7","2","1") = "6"
    & skf21("1","5","6","6","4","7","3","1") = "6"
    & skf21("1","5","6","6","4","7","4","1") = "6"
    & skf21("1","5","6","6","4","7","5","1") = "6"
    & skf21("1","5","6","6","4","7","6","1") = "6"
    & skf21("1","5","6","6","4","7","7","1") = "6"
    & skf21("1","5","6","6","5","1","1","1") = "5"
    & skf21("1","5","6","6","5","1","2","1") = "5"
    & skf21("1","5","6","6","5","1","3","1") = "5"
    & skf21("1","5","6","6","5","1","4","1") = "5"
    & skf21("1","5","6","6","5","1","5","1") = "5"
    & skf21("1","5","6","6","5","1","6","1") = "5"
    & skf21("1","5","6","6","5","1","7","1") = "6"
    & skf21("1","5","6","6","5","2","1","1") = "5"
    & skf21("1","5","6","6","5","2","2","1") = "5"
    & skf21("1","5","6","6","5","2","3","1") = "5"
    & skf21("1","5","6","6","5","2","4","1") = "5"
    & skf21("1","5","6","6","5","2","5","1") = "5"
    & skf21("1","5","6","6","5","2","6","1") = "5"
    & skf21("1","5","6","6","5","2","7","1") = "6"
    & skf21("1","5","6","6","5","3","1","1") = "5"
    & skf21("1","5","6","6","5","3","2","1") = "5"
    & skf21("1","5","6","6","5","3","3","1") = "5"
    & skf21("1","5","6","6","5","3","4","1") = "5"
    & skf21("1","5","6","6","5","3","5","1") = "5"
    & skf21("1","5","6","6","5","3","6","1") = "5"
    & skf21("1","5","6","6","5","3","7","1") = "6"
    & skf21("1","5","6","6","5","4","1","1") = "5"
    & skf21("1","5","6","6","5","4","2","1") = "5"
    & skf21("1","5","6","6","5","4","3","1") = "5"
    & skf21("1","5","6","6","5","4","4","1") = "5"
    & skf21("1","5","6","6","5","4","5","1") = "5"
    & skf21("1","5","6","6","5","4","6","1") = "5"
    & skf21("1","5","6","6","5","4","7","1") = "6"
    & skf21("1","5","6","6","5","5","1","1") = "5"
    & skf21("1","5","6","6","5","5","2","1") = "5"
    & skf21("1","5","6","6","5","5","3","1") = "5"
    & skf21("1","5","6","6","5","5","4","1") = "5"
    & skf21("1","5","6","6","5","5","5","1") = "5"
    & skf21("1","5","6","6","5","5","6","1") = "5"
    & skf21("1","5","6","6","5","5","7","1") = "6"
    & skf21("1","5","6","6","5","6","1","1") = "5"
    & skf21("1","5","6","6","5","6","2","1") = "5"
    & skf21("1","5","6","6","5","6","3","1") = "5"
    & skf21("1","5","6","6","5","6","4","1") = "5"
    & skf21("1","5","6","6","5","6","5","1") = "5"
    & skf21("1","5","6","6","5","6","6","1") = "5"
    & skf21("1","5","6","6","5","6","7","1") = "6"
    & skf21("1","5","6","6","5","7","1","1") = "6"
    & skf21("1","5","6","6","5","7","2","1") = "6"
    & skf21("1","5","6","6","5","7","3","1") = "6"
    & skf21("1","5","6","6","5","7","4","1") = "6"
    & skf21("1","5","6","6","5","7","5","1") = "6"
    & skf21("1","5","6","6","5","7","6","1") = "6"
    & skf21("1","5","6","6","5","7","7","1") = "6"
    & skf21("1","5","6","6","6","1","1","1") = "5"
    & skf21("1","5","6","6","6","1","2","1") = "5"
    & skf21("1","5","6","6","6","1","3","1") = "5"
    & skf21("1","5","6","6","6","1","4","1") = "5"
    & skf21("1","5","6","6","6","1","5","1") = "5"
    & skf21("1","5","6","6","6","1","6","1") = "5"
    & skf21("1","5","6","6","6","1","7","1") = "6"
    & skf21("1","5","6","6","6","2","1","1") = "5"
    & skf21("1","5","6","6","6","2","2","1") = "5"
    & skf21("1","5","6","6","6","2","3","1") = "5"
    & skf21("1","5","6","6","6","2","4","1") = "5"
    & skf21("1","5","6","6","6","2","5","1") = "5"
    & skf21("1","5","6","6","6","2","6","1") = "5"
    & skf21("1","5","6","6","6","2","7","1") = "6"
    & skf21("1","5","6","6","6","3","1","1") = "5"
    & skf21("1","5","6","6","6","3","2","1") = "5"
    & skf21("1","5","6","6","6","3","3","1") = "5"
    & skf21("1","5","6","6","6","3","4","1") = "5"
    & skf21("1","5","6","6","6","3","5","1") = "5"
    & skf21("1","5","6","6","6","3","6","1") = "5"
    & skf21("1","5","6","6","6","3","7","1") = "6"
    & skf21("1","5","6","6","6","4","1","1") = "5"
    & skf21("1","5","6","6","6","4","2","1") = "5"
    & skf21("1","5","6","6","6","4","3","1") = "5"
    & skf21("1","5","6","6","6","4","4","1") = "5"
    & skf21("1","5","6","6","6","4","5","1") = "5"
    & skf21("1","5","6","6","6","4","6","1") = "5"
    & skf21("1","5","6","6","6","4","7","1") = "6"
    & skf21("1","5","6","6","6","5","1","1") = "5"
    & skf21("1","5","6","6","6","5","2","1") = "5"
    & skf21("1","5","6","6","6","5","3","1") = "5"
    & skf21("1","5","6","6","6","5","4","1") = "5"
    & skf21("1","5","6","6","6","5","5","1") = "5"
    & skf21("1","5","6","6","6","5","6","1") = "5"
    & skf21("1","5","6","6","6","5","7","1") = "6"
    & skf21("1","5","6","6","6","6","1","1") = "5"
    & skf21("1","5","6","6","6","6","2","1") = "5"
    & skf21("1","5","6","6","6","6","3","1") = "5"
    & skf21("1","5","6","6","6","6","4","1") = "5"
    & skf21("1","5","6","6","6","6","5","1") = "5"
    & skf21("1","5","6","6","6","6","6","1") = "5"
    & skf21("1","5","6","6","6","6","7","1") = "6"
    & skf21("1","5","6","6","6","7","1","1") = "6"
    & skf21("1","5","6","6","6","7","2","1") = "6"
    & skf21("1","5","6","6","6","7","3","1") = "6"
    & skf21("1","5","6","6","6","7","4","1") = "6"
    & skf21("1","5","6","6","6","7","5","1") = "6"
    & skf21("1","5","6","6","6","7","6","1") = "6"
    & skf21("1","5","6","6","6","7","7","1") = "6"
    & skf21("1","5","6","6","7","1","1","1") = "6"
    & skf21("1","5","6","6","7","1","2","1") = "6"
    & skf21("1","5","6","6","7","1","3","1") = "6"
    & skf21("1","5","6","6","7","1","4","1") = "6"
    & skf21("1","5","6","6","7","1","5","1") = "6"
    & skf21("1","5","6","6","7","1","6","1") = "6"
    & skf21("1","5","6","6","7","1","7","1") = "6"
    & skf21("1","5","6","6","7","2","1","1") = "6"
    & skf21("1","5","6","6","7","2","2","1") = "6"
    & skf21("1","5","6","6","7","2","3","1") = "6"
    & skf21("1","5","6","6","7","2","4","1") = "6"
    & skf21("1","5","6","6","7","2","5","1") = "6"
    & skf21("1","5","6","6","7","2","6","1") = "6"
    & skf21("1","5","6","6","7","2","7","1") = "6"
    & skf21("1","5","6","6","7","3","1","1") = "6"
    & skf21("1","5","6","6","7","3","2","1") = "6"
    & skf21("1","5","6","6","7","3","3","1") = "6"
    & skf21("1","5","6","6","7","3","4","1") = "6"
    & skf21("1","5","6","6","7","3","5","1") = "6"
    & skf21("1","5","6","6","7","3","6","1") = "6"
    & skf21("1","5","6","6","7","3","7","1") = "6"
    & skf21("1","5","6","6","7","4","1","1") = "6"
    & skf21("1","5","6","6","7","4","2","1") = "6"
    & skf21("1","5","6","6","7","4","3","1") = "6"
    & skf21("1","5","6","6","7","4","4","1") = "6"
    & skf21("1","5","6","6","7","4","5","1") = "6"
    & skf21("1","5","6","6","7","4","6","1") = "6"
    & skf21("1","5","6","6","7","4","7","1") = "6"
    & skf21("1","5","6","6","7","5","1","1") = "6"
    & skf21("1","5","6","6","7","5","2","1") = "6"
    & skf21("1","5","6","6","7","5","3","1") = "6"
    & skf21("1","5","6","6","7","5","4","1") = "6"
    & skf21("1","5","6","6","7","5","5","1") = "6"
    & skf21("1","5","6","6","7","5","6","1") = "6"
    & skf21("1","5","6","6","7","5","7","1") = "6"
    & skf21("1","5","6","6","7","6","1","1") = "6"
    & skf21("1","5","6","6","7","6","2","1") = "6"
    & skf21("1","5","6","6","7","6","3","1") = "6"
    & skf21("1","5","6","6","7","6","4","1") = "6"
    & skf21("1","5","6","6","7","6","5","1") = "6"
    & skf21("1","5","6","6","7","6","6","1") = "6"
    & skf21("1","5","6","6","7","6","7","1") = "6"
    & skf21("1","5","6","6","7","7","1","1") = "6"
    & skf21("1","5","6","6","7","7","2","1") = "6"
    & skf21("1","5","6","6","7","7","3","1") = "6"
    & skf21("1","5","6","6","7","7","4","1") = "6"
    & skf21("1","5","6","6","7","7","5","1") = "6"
    & skf21("1","5","6","6","7","7","6","1") = "6"
    & skf21("1","5","6","6","7","7","7","1") = "6"
    & skf21("1","5","6","7","1","1","1","1") = "6"
    & skf21("1","5","6","7","1","1","2","1") = "6"
    & skf21("1","5","6","7","1","1","3","1") = "6"
    & skf21("1","5","6","7","1","1","4","1") = "6"
    & skf21("1","5","6","7","1","1","5","1") = "6"
    & skf21("1","5","6","7","1","1","6","1") = "6"
    & skf21("1","5","6","7","1","1","7","1") = "6"
    & skf21("1","5","6","7","1","2","1","1") = "6"
    & skf21("1","5","6","7","1","2","2","1") = "6"
    & skf21("1","5","6","7","1","2","3","1") = "6"
    & skf21("1","5","6","7","1","2","4","1") = "6"
    & skf21("1","5","6","7","1","2","5","1") = "6"
    & skf21("1","5","6","7","1","2","6","1") = "6"
    & skf21("1","5","6","7","1","2","7","1") = "6"
    & skf21("1","5","6","7","1","3","1","1") = "6"
    & skf21("1","5","6","7","1","3","2","1") = "6"
    & skf21("1","5","6","7","1","3","3","1") = "6"
    & skf21("1","5","6","7","1","3","4","1") = "6"
    & skf21("1","5","6","7","1","3","5","1") = "6"
    & skf21("1","5","6","7","1","3","6","1") = "6"
    & skf21("1","5","6","7","1","3","7","1") = "6"
    & skf21("1","5","6","7","1","4","1","1") = "6"
    & skf21("1","5","6","7","1","4","2","1") = "6"
    & skf21("1","5","6","7","1","4","3","1") = "6"
    & skf21("1","5","6","7","1","4","4","1") = "6"
    & skf21("1","5","6","7","1","4","5","1") = "6"
    & skf21("1","5","6","7","1","4","6","1") = "6"
    & skf21("1","5","6","7","1","4","7","1") = "6"
    & skf21("1","5","6","7","1","5","1","1") = "6"
    & skf21("1","5","6","7","1","5","2","1") = "6"
    & skf21("1","5","6","7","1","5","3","1") = "6"
    & skf21("1","5","6","7","1","5","4","1") = "6"
    & skf21("1","5","6","7","1","5","5","1") = "6"
    & skf21("1","5","6","7","1","5","6","1") = "6"
    & skf21("1","5","6","7","1","5","7","1") = "6"
    & skf21("1","5","6","7","1","6","1","1") = "6"
    & skf21("1","5","6","7","1","6","2","1") = "6"
    & skf21("1","5","6","7","1","6","3","1") = "6"
    & skf21("1","5","6","7","1","6","4","1") = "6"
    & skf21("1","5","6","7","1","6","5","1") = "6"
    & skf21("1","5","6","7","1","6","6","1") = "6"
    & skf21("1","5","6","7","1","6","7","1") = "6"
    & skf21("1","5","6","7","1","7","1","1") = "6"
    & skf21("1","5","6","7","1","7","2","1") = "6"
    & skf21("1","5","6","7","1","7","3","1") = "6"
    & skf21("1","5","6","7","1","7","4","1") = "6"
    & skf21("1","5","6","7","1","7","5","1") = "6"
    & skf21("1","5","6","7","1","7","6","1") = "6"
    & skf21("1","5","6","7","1","7","7","1") = "6"
    & skf21("1","5","6","7","2","1","1","1") = "6"
    & skf21("1","5","6","7","2","1","2","1") = "6"
    & skf21("1","5","6","7","2","1","3","1") = "6"
    & skf21("1","5","6","7","2","1","4","1") = "6"
    & skf21("1","5","6","7","2","1","5","1") = "6"
    & skf21("1","5","6","7","2","1","6","1") = "6"
    & skf21("1","5","6","7","2","1","7","1") = "6"
    & skf21("1","5","6","7","2","2","1","1") = "6"
    & skf21("1","5","6","7","2","2","2","1") = "6"
    & skf21("1","5","6","7","2","2","3","1") = "6"
    & skf21("1","5","6","7","2","2","4","1") = "6"
    & skf21("1","5","6","7","2","2","5","1") = "6"
    & skf21("1","5","6","7","2","2","6","1") = "6"
    & skf21("1","5","6","7","2","2","7","1") = "6"
    & skf21("1","5","6","7","2","3","1","1") = "6"
    & skf21("1","5","6","7","2","3","2","1") = "6"
    & skf21("1","5","6","7","2","3","3","1") = "6"
    & skf21("1","5","6","7","2","3","4","1") = "6"
    & skf21("1","5","6","7","2","3","5","1") = "6"
    & skf21("1","5","6","7","2","3","6","1") = "6"
    & skf21("1","5","6","7","2","3","7","1") = "6"
    & skf21("1","5","6","7","2","4","1","1") = "6"
    & skf21("1","5","6","7","2","4","2","1") = "6"
    & skf21("1","5","6","7","2","4","3","1") = "6"
    & skf21("1","5","6","7","2","4","4","1") = "6"
    & skf21("1","5","6","7","2","4","5","1") = "6"
    & skf21("1","5","6","7","2","4","6","1") = "6"
    & skf21("1","5","6","7","2","4","7","1") = "6"
    & skf21("1","5","6","7","2","5","1","1") = "6"
    & skf21("1","5","6","7","2","5","2","1") = "6"
    & skf21("1","5","6","7","2","5","3","1") = "6"
    & skf21("1","5","6","7","2","5","4","1") = "6"
    & skf21("1","5","6","7","2","5","5","1") = "6"
    & skf21("1","5","6","7","2","5","6","1") = "6"
    & skf21("1","5","6","7","2","5","7","1") = "6"
    & skf21("1","5","6","7","2","6","1","1") = "6"
    & skf21("1","5","6","7","2","6","2","1") = "6"
    & skf21("1","5","6","7","2","6","3","1") = "6"
    & skf21("1","5","6","7","2","6","4","1") = "6"
    & skf21("1","5","6","7","2","6","5","1") = "6"
    & skf21("1","5","6","7","2","6","6","1") = "6"
    & skf21("1","5","6","7","2","6","7","1") = "6"
    & skf21("1","5","6","7","2","7","1","1") = "6"
    & skf21("1","5","6","7","2","7","2","1") = "6"
    & skf21("1","5","6","7","2","7","3","1") = "6"
    & skf21("1","5","6","7","2","7","4","1") = "6"
    & skf21("1","5","6","7","2","7","5","1") = "6"
    & skf21("1","5","6","7","2","7","6","1") = "6"
    & skf21("1","5","6","7","2","7","7","1") = "6"
    & skf21("1","5","6","7","3","1","1","1") = "6"
    & skf21("1","5","6","7","3","1","2","1") = "6"
    & skf21("1","5","6","7","3","1","3","1") = "6"
    & skf21("1","5","6","7","3","1","4","1") = "6"
    & skf21("1","5","6","7","3","1","5","1") = "6"
    & skf21("1","5","6","7","3","1","6","1") = "6"
    & skf21("1","5","6","7","3","1","7","1") = "6"
    & skf21("1","5","6","7","3","2","1","1") = "6"
    & skf21("1","5","6","7","3","2","2","1") = "6"
    & skf21("1","5","6","7","3","2","3","1") = "6"
    & skf21("1","5","6","7","3","2","4","1") = "6"
    & skf21("1","5","6","7","3","2","5","1") = "6"
    & skf21("1","5","6","7","3","2","6","1") = "6"
    & skf21("1","5","6","7","3","2","7","1") = "6"
    & skf21("1","5","6","7","3","3","1","1") = "6"
    & skf21("1","5","6","7","3","3","2","1") = "6"
    & skf21("1","5","6","7","3","3","3","1") = "6"
    & skf21("1","5","6","7","3","3","4","1") = "6"
    & skf21("1","5","6","7","3","3","5","1") = "6"
    & skf21("1","5","6","7","3","3","6","1") = "6"
    & skf21("1","5","6","7","3","3","7","1") = "6"
    & skf21("1","5","6","7","3","4","1","1") = "6"
    & skf21("1","5","6","7","3","4","2","1") = "6"
    & skf21("1","5","6","7","3","4","3","1") = "6"
    & skf21("1","5","6","7","3","4","4","1") = "6"
    & skf21("1","5","6","7","3","4","5","1") = "6"
    & skf21("1","5","6","7","3","4","6","1") = "6"
    & skf21("1","5","6","7","3","4","7","1") = "6"
    & skf21("1","5","6","7","3","5","1","1") = "6"
    & skf21("1","5","6","7","3","5","2","1") = "6"
    & skf21("1","5","6","7","3","5","3","1") = "6"
    & skf21("1","5","6","7","3","5","4","1") = "6"
    & skf21("1","5","6","7","3","5","5","1") = "6"
    & skf21("1","5","6","7","3","5","6","1") = "6"
    & skf21("1","5","6","7","3","5","7","1") = "6"
    & skf21("1","5","6","7","3","6","1","1") = "6"
    & skf21("1","5","6","7","3","6","2","1") = "6"
    & skf21("1","5","6","7","3","6","3","1") = "6"
    & skf21("1","5","6","7","3","6","4","1") = "6"
    & skf21("1","5","6","7","3","6","5","1") = "6"
    & skf21("1","5","6","7","3","6","6","1") = "6"
    & skf21("1","5","6","7","3","6","7","1") = "6"
    & skf21("1","5","6","7","3","7","1","1") = "6"
    & skf21("1","5","6","7","3","7","2","1") = "6"
    & skf21("1","5","6","7","3","7","3","1") = "6"
    & skf21("1","5","6","7","3","7","4","1") = "6"
    & skf21("1","5","6","7","3","7","5","1") = "6"
    & skf21("1","5","6","7","3","7","6","1") = "6"
    & skf21("1","5","6","7","3","7","7","1") = "6"
    & skf21("1","5","6","7","4","1","1","1") = "6"
    & skf21("1","5","6","7","4","1","2","1") = "6"
    & skf21("1","5","6","7","4","1","3","1") = "6"
    & skf21("1","5","6","7","4","1","4","1") = "6"
    & skf21("1","5","6","7","4","1","5","1") = "6"
    & skf21("1","5","6","7","4","1","6","1") = "6"
    & skf21("1","5","6","7","4","1","7","1") = "6"
    & skf21("1","5","6","7","4","2","1","1") = "6"
    & skf21("1","5","6","7","4","2","2","1") = "6"
    & skf21("1","5","6","7","4","2","3","1") = "6"
    & skf21("1","5","6","7","4","2","4","1") = "6"
    & skf21("1","5","6","7","4","2","5","1") = "6"
    & skf21("1","5","6","7","4","2","6","1") = "6"
    & skf21("1","5","6","7","4","2","7","1") = "6"
    & skf21("1","5","6","7","4","3","1","1") = "6"
    & skf21("1","5","6","7","4","3","2","1") = "6"
    & skf21("1","5","6","7","4","3","3","1") = "6"
    & skf21("1","5","6","7","4","3","4","1") = "6"
    & skf21("1","5","6","7","4","3","5","1") = "6"
    & skf21("1","5","6","7","4","3","6","1") = "6"
    & skf21("1","5","6","7","4","3","7","1") = "6"
    & skf21("1","5","6","7","4","4","1","1") = "6"
    & skf21("1","5","6","7","4","4","2","1") = "6"
    & skf21("1","5","6","7","4","4","3","1") = "6"
    & skf21("1","5","6","7","4","4","4","1") = "6"
    & skf21("1","5","6","7","4","4","5","1") = "6"
    & skf21("1","5","6","7","4","4","6","1") = "6"
    & skf21("1","5","6","7","4","4","7","1") = "6"
    & skf21("1","5","6","7","4","5","1","1") = "6"
    & skf21("1","5","6","7","4","5","2","1") = "6"
    & skf21("1","5","6","7","4","5","3","1") = "6"
    & skf21("1","5","6","7","4","5","4","1") = "6"
    & skf21("1","5","6","7","4","5","5","1") = "6"
    & skf21("1","5","6","7","4","5","6","1") = "6"
    & skf21("1","5","6","7","4","5","7","1") = "6"
    & skf21("1","5","6","7","4","6","1","1") = "6"
    & skf21("1","5","6","7","4","6","2","1") = "6"
    & skf21("1","5","6","7","4","6","3","1") = "6"
    & skf21("1","5","6","7","4","6","4","1") = "6"
    & skf21("1","5","6","7","4","6","5","1") = "6"
    & skf21("1","5","6","7","4","6","6","1") = "6"
    & skf21("1","5","6","7","4","6","7","1") = "6"
    & skf21("1","5","6","7","4","7","1","1") = "6"
    & skf21("1","5","6","7","4","7","2","1") = "6"
    & skf21("1","5","6","7","4","7","3","1") = "6"
    & skf21("1","5","6","7","4","7","4","1") = "6"
    & skf21("1","5","6","7","4","7","5","1") = "6"
    & skf21("1","5","6","7","4","7","6","1") = "6"
    & skf21("1","5","6","7","4","7","7","1") = "6"
    & skf21("1","5","6","7","5","1","1","1") = "6"
    & skf21("1","5","6","7","5","1","2","1") = "6"
    & skf21("1","5","6","7","5","1","3","1") = "6"
    & skf21("1","5","6","7","5","1","4","1") = "6"
    & skf21("1","5","6","7","5","1","5","1") = "6"
    & skf21("1","5","6","7","5","1","6","1") = "6"
    & skf21("1","5","6","7","5","1","7","1") = "6"
    & skf21("1","5","6","7","5","2","1","1") = "6"
    & skf21("1","5","6","7","5","2","2","1") = "6"
    & skf21("1","5","6","7","5","2","3","1") = "6"
    & skf21("1","5","6","7","5","2","4","1") = "6"
    & skf21("1","5","6","7","5","2","5","1") = "6"
    & skf21("1","5","6","7","5","2","6","1") = "6"
    & skf21("1","5","6","7","5","2","7","1") = "6"
    & skf21("1","5","6","7","5","3","1","1") = "6"
    & skf21("1","5","6","7","5","3","2","1") = "6"
    & skf21("1","5","6","7","5","3","3","1") = "6"
    & skf21("1","5","6","7","5","3","4","1") = "6"
    & skf21("1","5","6","7","5","3","5","1") = "6"
    & skf21("1","5","6","7","5","3","6","1") = "6"
    & skf21("1","5","6","7","5","3","7","1") = "6"
    & skf21("1","5","6","7","5","4","1","1") = "6"
    & skf21("1","5","6","7","5","4","2","1") = "6"
    & skf21("1","5","6","7","5","4","3","1") = "6"
    & skf21("1","5","6","7","5","4","4","1") = "6"
    & skf21("1","5","6","7","5","4","5","1") = "6"
    & skf21("1","5","6","7","5","4","6","1") = "6"
    & skf21("1","5","6","7","5","4","7","1") = "6"
    & skf21("1","5","6","7","5","5","1","1") = "6"
    & skf21("1","5","6","7","5","5","2","1") = "6"
    & skf21("1","5","6","7","5","5","3","1") = "6"
    & skf21("1","5","6","7","5","5","4","1") = "6"
    & skf21("1","5","6","7","5","5","5","1") = "6"
    & skf21("1","5","6","7","5","5","6","1") = "6"
    & skf21("1","5","6","7","5","5","7","1") = "6"
    & skf21("1","5","6","7","5","6","1","1") = "6"
    & skf21("1","5","6","7","5","6","2","1") = "6"
    & skf21("1","5","6","7","5","6","3","1") = "6"
    & skf21("1","5","6","7","5","6","4","1") = "6"
    & skf21("1","5","6","7","5","6","5","1") = "6"
    & skf21("1","5","6","7","5","6","6","1") = "6"
    & skf21("1","5","6","7","5","6","7","1") = "6"
    & skf21("1","5","6","7","5","7","1","1") = "6"
    & skf21("1","5","6","7","5","7","2","1") = "6"
    & skf21("1","5","6","7","5","7","3","1") = "6"
    & skf21("1","5","6","7","5","7","4","1") = "6"
    & skf21("1","5","6","7","5","7","5","1") = "6"
    & skf21("1","5","6","7","5","7","6","1") = "6"
    & skf21("1","5","6","7","5","7","7","1") = "6"
    & skf21("1","5","6","7","6","1","1","1") = "6"
    & skf21("1","5","6","7","6","1","2","1") = "6"
    & skf21("1","5","6","7","6","1","3","1") = "6"
    & skf21("1","5","6","7","6","1","4","1") = "6"
    & skf21("1","5","6","7","6","1","5","1") = "6"
    & skf21("1","5","6","7","6","1","6","1") = "6"
    & skf21("1","5","6","7","6","1","7","1") = "6"
    & skf21("1","5","6","7","6","2","1","1") = "6"
    & skf21("1","5","6","7","6","2","2","1") = "6"
    & skf21("1","5","6","7","6","2","3","1") = "6"
    & skf21("1","5","6","7","6","2","4","1") = "6"
    & skf21("1","5","6","7","6","2","5","1") = "6"
    & skf21("1","5","6","7","6","2","6","1") = "6"
    & skf21("1","5","6","7","6","2","7","1") = "6"
    & skf21("1","5","6","7","6","3","1","1") = "6"
    & skf21("1","5","6","7","6","3","2","1") = "6"
    & skf21("1","5","6","7","6","3","3","1") = "6"
    & skf21("1","5","6","7","6","3","4","1") = "6"
    & skf21("1","5","6","7","6","3","5","1") = "6"
    & skf21("1","5","6","7","6","3","6","1") = "6"
    & skf21("1","5","6","7","6","3","7","1") = "6"
    & skf21("1","5","6","7","6","4","1","1") = "6"
    & skf21("1","5","6","7","6","4","2","1") = "6"
    & skf21("1","5","6","7","6","4","3","1") = "6"
    & skf21("1","5","6","7","6","4","4","1") = "6"
    & skf21("1","5","6","7","6","4","5","1") = "6"
    & skf21("1","5","6","7","6","4","6","1") = "6"
    & skf21("1","5","6","7","6","4","7","1") = "6"
    & skf21("1","5","6","7","6","5","1","1") = "6"
    & skf21("1","5","6","7","6","5","2","1") = "6"
    & skf21("1","5","6","7","6","5","3","1") = "6"
    & skf21("1","5","6","7","6","5","4","1") = "6"
    & skf21("1","5","6","7","6","5","5","1") = "6"
    & skf21("1","5","6","7","6","5","6","1") = "6"
    & skf21("1","5","6","7","6","5","7","1") = "6"
    & skf21("1","5","6","7","6","6","1","1") = "6"
    & skf21("1","5","6","7","6","6","2","1") = "6"
    & skf21("1","5","6","7","6","6","3","1") = "6"
    & skf21("1","5","6","7","6","6","4","1") = "6"
    & skf21("1","5","6","7","6","6","5","1") = "6"
    & skf21("1","5","6","7","6","6","6","1") = "6"
    & skf21("1","5","6","7","6","6","7","1") = "6"
    & skf21("1","5","6","7","6","7","1","1") = "6"
    & skf21("1","5","6","7","6","7","2","1") = "6"
    & skf21("1","5","6","7","6","7","3","1") = "6"
    & skf21("1","5","6","7","6","7","4","1") = "6"
    & skf21("1","5","6","7","6","7","5","1") = "6"
    & skf21("1","5","6","7","6","7","6","1") = "6"
    & skf21("1","5","6","7","6","7","7","1") = "6"
    & skf21("1","5","6","7","7","1","1","1") = "6"
    & skf21("1","5","6","7","7","1","2","1") = "6"
    & skf21("1","5","6","7","7","1","3","1") = "6"
    & skf21("1","5","6","7","7","1","4","1") = "6"
    & skf21("1","5","6","7","7","1","5","1") = "6"
    & skf21("1","5","6","7","7","1","6","1") = "6"
    & skf21("1","5","6","7","7","1","7","1") = "6"
    & skf21("1","5","6","7","7","2","1","1") = "6"
    & skf21("1","5","6","7","7","2","2","1") = "6"
    & skf21("1","5","6","7","7","2","3","1") = "6"
    & skf21("1","5","6","7","7","2","4","1") = "6"
    & skf21("1","5","6","7","7","2","5","1") = "6"
    & skf21("1","5","6","7","7","2","6","1") = "6"
    & skf21("1","5","6","7","7","2","7","1") = "6"
    & skf21("1","5","6","7","7","3","1","1") = "6"
    & skf21("1","5","6","7","7","3","2","1") = "6"
    & skf21("1","5","6","7","7","3","3","1") = "6"
    & skf21("1","5","6","7","7","3","4","1") = "6"
    & skf21("1","5","6","7","7","3","5","1") = "6"
    & skf21("1","5","6","7","7","3","6","1") = "6"
    & skf21("1","5","6","7","7","3","7","1") = "6"
    & skf21("1","5","6","7","7","4","1","1") = "6"
    & skf21("1","5","6","7","7","4","2","1") = "6"
    & skf21("1","5","6","7","7","4","3","1") = "6"
    & skf21("1","5","6","7","7","4","4","1") = "6"
    & skf21("1","5","6","7","7","4","5","1") = "6"
    & skf21("1","5","6","7","7","4","6","1") = "6"
    & skf21("1","5","6","7","7","4","7","1") = "6"
    & skf21("1","5","6","7","7","5","1","1") = "6"
    & skf21("1","5","6","7","7","5","2","1") = "6"
    & skf21("1","5","6","7","7","5","3","1") = "6"
    & skf21("1","5","6","7","7","5","4","1") = "6"
    & skf21("1","5","6","7","7","5","5","1") = "6"
    & skf21("1","5","6","7","7","5","6","1") = "6"
    & skf21("1","5","6","7","7","5","7","1") = "6"
    & skf21("1","5","6","7","7","6","1","1") = "6"
    & skf21("1","5","6","7","7","6","2","1") = "6"
    & skf21("1","5","6","7","7","6","3","1") = "6"
    & skf21("1","5","6","7","7","6","4","1") = "6"
    & skf21("1","5","6","7","7","6","5","1") = "6"
    & skf21("1","5","6","7","7","6","6","1") = "6"
    & skf21("1","5","6","7","7","6","7","1") = "6"
    & skf21("1","5","6","7","7","7","1","1") = "6"
    & skf21("1","5","6","7","7","7","2","1") = "6"
    & skf21("1","5","6","7","7","7","3","1") = "6"
    & skf21("1","5","6","7","7","7","4","1") = "6"
    & skf21("1","5","6","7","7","7","5","1") = "6"
    & skf21("1","5","6","7","7","7","6","1") = "6"
    & skf21("1","5","6","7","7","7","7","1") = "6"
    & skf21("1","5","7","1","1","1","1","1") = "6"
    & skf21("1","5","7","1","1","1","2","1") = "6"
    & skf21("1","5","7","1","1","1","3","1") = "6"
    & skf21("1","5","7","1","1","1","4","1") = "6"
    & skf21("1","5","7","1","1","1","5","1") = "6"
    & skf21("1","5","7","1","1","1","6","1") = "6"
    & skf21("1","5","7","1","1","1","7","1") = "6"
    & skf21("1","5","7","1","1","2","1","1") = "6"
    & skf21("1","5","7","1","1","2","2","1") = "6"
    & skf21("1","5","7","1","1","2","3","1") = "6"
    & skf21("1","5","7","1","1","2","4","1") = "6"
    & skf21("1","5","7","1","1","2","5","1") = "6"
    & skf21("1","5","7","1","1","2","6","1") = "6"
    & skf21("1","5","7","1","1","2","7","1") = "6"
    & skf21("1","5","7","1","1","3","1","1") = "6"
    & skf21("1","5","7","1","1","3","2","1") = "6"
    & skf21("1","5","7","1","1","3","3","1") = "6"
    & skf21("1","5","7","1","1","3","4","1") = "6"
    & skf21("1","5","7","1","1","3","5","1") = "6"
    & skf21("1","5","7","1","1","3","6","1") = "6"
    & skf21("1","5","7","1","1","3","7","1") = "6"
    & skf21("1","5","7","1","1","4","1","1") = "6"
    & skf21("1","5","7","1","1","4","2","1") = "6"
    & skf21("1","5","7","1","1","4","3","1") = "6"
    & skf21("1","5","7","1","1","4","4","1") = "6"
    & skf21("1","5","7","1","1","4","5","1") = "6"
    & skf21("1","5","7","1","1","4","6","1") = "6"
    & skf21("1","5","7","1","1","4","7","1") = "6"
    & skf21("1","5","7","1","1","5","1","1") = "6"
    & skf21("1","5","7","1","1","5","2","1") = "6"
    & skf21("1","5","7","1","1","5","3","1") = "6"
    & skf21("1","5","7","1","1","5","4","1") = "6"
    & skf21("1","5","7","1","1","5","5","1") = "6"
    & skf21("1","5","7","1","1","5","6","1") = "6"
    & skf21("1","5","7","1","1","5","7","1") = "6"
    & skf21("1","5","7","1","1","6","1","1") = "6"
    & skf21("1","5","7","1","1","6","2","1") = "6"
    & skf21("1","5","7","1","1","6","3","1") = "6"
    & skf21("1","5","7","1","1","6","4","1") = "6"
    & skf21("1","5","7","1","1","6","5","1") = "6"
    & skf21("1","5","7","1","1","6","6","1") = "6"
    & skf21("1","5","7","1","1","6","7","1") = "6"
    & skf21("1","5","7","1","1","7","1","1") = "6"
    & skf21("1","5","7","1","1","7","2","1") = "6"
    & skf21("1","5","7","1","1","7","3","1") = "6"
    & skf21("1","5","7","1","1","7","4","1") = "6"
    & skf21("1","5","7","1","1","7","5","1") = "6"
    & skf21("1","5","7","1","1","7","6","1") = "6"
    & skf21("1","5","7","1","1","7","7","1") = "6"
    & skf21("1","5","7","1","2","1","1","1") = "6"
    & skf21("1","5","7","1","2","1","2","1") = "6"
    & skf21("1","5","7","1","2","1","3","1") = "6"
    & skf21("1","5","7","1","2","1","4","1") = "6"
    & skf21("1","5","7","1","2","1","5","1") = "6"
    & skf21("1","5","7","1","2","1","6","1") = "6"
    & skf21("1","5","7","1","2","1","7","1") = "6"
    & skf21("1","5","7","1","2","2","1","1") = "6"
    & skf21("1","5","7","1","2","2","2","1") = "6"
    & skf21("1","5","7","1","2","2","3","1") = "6"
    & skf21("1","5","7","1","2","2","4","1") = "6"
    & skf21("1","5","7","1","2","2","5","1") = "6"
    & skf21("1","5","7","1","2","2","6","1") = "6"
    & skf21("1","5","7","1","2","2","7","1") = "6"
    & skf21("1","5","7","1","2","3","1","1") = "6"
    & skf21("1","5","7","1","2","3","2","1") = "6"
    & skf21("1","5","7","1","2","3","3","1") = "6"
    & skf21("1","5","7","1","2","3","4","1") = "6"
    & skf21("1","5","7","1","2","3","5","1") = "6"
    & skf21("1","5","7","1","2","3","6","1") = "6"
    & skf21("1","5","7","1","2","3","7","1") = "6"
    & skf21("1","5","7","1","2","4","1","1") = "6"
    & skf21("1","5","7","1","2","4","2","1") = "6"
    & skf21("1","5","7","1","2","4","3","1") = "6"
    & skf21("1","5","7","1","2","4","4","1") = "6"
    & skf21("1","5","7","1","2","4","5","1") = "6"
    & skf21("1","5","7","1","2","4","6","1") = "6"
    & skf21("1","5","7","1","2","4","7","1") = "6"
    & skf21("1","5","7","1","2","5","1","1") = "6"
    & skf21("1","5","7","1","2","5","2","1") = "6"
    & skf21("1","5","7","1","2","5","3","1") = "6"
    & skf21("1","5","7","1","2","5","4","1") = "6"
    & skf21("1","5","7","1","2","5","5","1") = "6"
    & skf21("1","5","7","1","2","5","6","1") = "6"
    & skf21("1","5","7","1","2","5","7","1") = "6"
    & skf21("1","5","7","1","2","6","1","1") = "6"
    & skf21("1","5","7","1","2","6","2","1") = "6"
    & skf21("1","5","7","1","2","6","3","1") = "6"
    & skf21("1","5","7","1","2","6","4","1") = "6"
    & skf21("1","5","7","1","2","6","5","1") = "6"
    & skf21("1","5","7","1","2","6","6","1") = "6"
    & skf21("1","5","7","1","2","6","7","1") = "6"
    & skf21("1","5","7","1","2","7","1","1") = "6"
    & skf21("1","5","7","1","2","7","2","1") = "6"
    & skf21("1","5","7","1","2","7","3","1") = "6"
    & skf21("1","5","7","1","2","7","4","1") = "6"
    & skf21("1","5","7","1","2","7","5","1") = "6"
    & skf21("1","5","7","1","2","7","6","1") = "6"
    & skf21("1","5","7","1","2","7","7","1") = "6"
    & skf21("1","5","7","1","3","1","1","1") = "6"
    & skf21("1","5","7","1","3","1","2","1") = "6"
    & skf21("1","5","7","1","3","1","3","1") = "6"
    & skf21("1","5","7","1","3","1","4","1") = "6"
    & skf21("1","5","7","1","3","1","5","1") = "6"
    & skf21("1","5","7","1","3","1","6","1") = "6"
    & skf21("1","5","7","1","3","1","7","1") = "6"
    & skf21("1","5","7","1","3","2","1","1") = "6"
    & skf21("1","5","7","1","3","2","2","1") = "6"
    & skf21("1","5","7","1","3","2","3","1") = "6"
    & skf21("1","5","7","1","3","2","4","1") = "6"
    & skf21("1","5","7","1","3","2","5","1") = "6"
    & skf21("1","5","7","1","3","2","6","1") = "6"
    & skf21("1","5","7","1","3","2","7","1") = "6"
    & skf21("1","5","7","1","3","3","1","1") = "6"
    & skf21("1","5","7","1","3","3","2","1") = "6"
    & skf21("1","5","7","1","3","3","3","1") = "6"
    & skf21("1","5","7","1","3","3","4","1") = "6"
    & skf21("1","5","7","1","3","3","5","1") = "6"
    & skf21("1","5","7","1","3","3","6","1") = "6"
    & skf21("1","5","7","1","3","3","7","1") = "6"
    & skf21("1","5","7","1","3","4","1","1") = "6"
    & skf21("1","5","7","1","3","4","2","1") = "6"
    & skf21("1","5","7","1","3","4","3","1") = "6"
    & skf21("1","5","7","1","3","4","4","1") = "6"
    & skf21("1","5","7","1","3","4","5","1") = "6"
    & skf21("1","5","7","1","3","4","6","1") = "6"
    & skf21("1","5","7","1","3","4","7","1") = "6"
    & skf21("1","5","7","1","3","5","1","1") = "6"
    & skf21("1","5","7","1","3","5","2","1") = "6"
    & skf21("1","5","7","1","3","5","3","1") = "6"
    & skf21("1","5","7","1","3","5","4","1") = "6"
    & skf21("1","5","7","1","3","5","5","1") = "6"
    & skf21("1","5","7","1","3","5","6","1") = "6"
    & skf21("1","5","7","1","3","5","7","1") = "6"
    & skf21("1","5","7","1","3","6","1","1") = "6"
    & skf21("1","5","7","1","3","6","2","1") = "6"
    & skf21("1","5","7","1","3","6","3","1") = "6"
    & skf21("1","5","7","1","3","6","4","1") = "6"
    & skf21("1","5","7","1","3","6","5","1") = "6"
    & skf21("1","5","7","1","3","6","6","1") = "6"
    & skf21("1","5","7","1","3","6","7","1") = "6"
    & skf21("1","5","7","1","3","7","1","1") = "6"
    & skf21("1","5","7","1","3","7","2","1") = "6"
    & skf21("1","5","7","1","3","7","3","1") = "6"
    & skf21("1","5","7","1","3","7","4","1") = "6"
    & skf21("1","5","7","1","3","7","5","1") = "6"
    & skf21("1","5","7","1","3","7","6","1") = "6"
    & skf21("1","5","7","1","3","7","7","1") = "6"
    & skf21("1","5","7","1","4","1","1","1") = "6"
    & skf21("1","5","7","1","4","1","2","1") = "6"
    & skf21("1","5","7","1","4","1","3","1") = "6"
    & skf21("1","5","7","1","4","1","4","1") = "6"
    & skf21("1","5","7","1","4","1","5","1") = "6"
    & skf21("1","5","7","1","4","1","6","1") = "6"
    & skf21("1","5","7","1","4","1","7","1") = "6"
    & skf21("1","5","7","1","4","2","1","1") = "6"
    & skf21("1","5","7","1","4","2","2","1") = "6"
    & skf21("1","5","7","1","4","2","3","1") = "6"
    & skf21("1","5","7","1","4","2","4","1") = "6"
    & skf21("1","5","7","1","4","2","5","1") = "6"
    & skf21("1","5","7","1","4","2","6","1") = "6"
    & skf21("1","5","7","1","4","2","7","1") = "6"
    & skf21("1","5","7","1","4","3","1","1") = "6"
    & skf21("1","5","7","1","4","3","2","1") = "6"
    & skf21("1","5","7","1","4","3","3","1") = "6"
    & skf21("1","5","7","1","4","3","4","1") = "6"
    & skf21("1","5","7","1","4","3","5","1") = "6"
    & skf21("1","5","7","1","4","3","6","1") = "6"
    & skf21("1","5","7","1","4","3","7","1") = "6"
    & skf21("1","5","7","1","4","4","1","1") = "6"
    & skf21("1","5","7","1","4","4","2","1") = "6"
    & skf21("1","5","7","1","4","4","3","1") = "6"
    & skf21("1","5","7","1","4","4","4","1") = "6"
    & skf21("1","5","7","1","4","4","5","1") = "6"
    & skf21("1","5","7","1","4","4","6","1") = "6"
    & skf21("1","5","7","1","4","4","7","1") = "6"
    & skf21("1","5","7","1","4","5","1","1") = "6"
    & skf21("1","5","7","1","4","5","2","1") = "6"
    & skf21("1","5","7","1","4","5","3","1") = "6"
    & skf21("1","5","7","1","4","5","4","1") = "6"
    & skf21("1","5","7","1","4","5","5","1") = "6"
    & skf21("1","5","7","1","4","5","6","1") = "6"
    & skf21("1","5","7","1","4","5","7","1") = "6"
    & skf21("1","5","7","1","4","6","1","1") = "6"
    & skf21("1","5","7","1","4","6","2","1") = "6"
    & skf21("1","5","7","1","4","6","3","1") = "6"
    & skf21("1","5","7","1","4","6","4","1") = "6"
    & skf21("1","5","7","1","4","6","5","1") = "6"
    & skf21("1","5","7","1","4","6","6","1") = "6"
    & skf21("1","5","7","1","4","6","7","1") = "6"
    & skf21("1","5","7","1","4","7","1","1") = "6"
    & skf21("1","5","7","1","4","7","2","1") = "6"
    & skf21("1","5","7","1","4","7","3","1") = "6"
    & skf21("1","5","7","1","4","7","4","1") = "6"
    & skf21("1","5","7","1","4","7","5","1") = "6"
    & skf21("1","5","7","1","4","7","6","1") = "6"
    & skf21("1","5","7","1","4","7","7","1") = "6"
    & skf21("1","5","7","1","5","1","1","1") = "6"
    & skf21("1","5","7","1","5","1","2","1") = "6"
    & skf21("1","5","7","1","5","1","3","1") = "6"
    & skf21("1","5","7","1","5","1","4","1") = "6"
    & skf21("1","5","7","1","5","1","5","1") = "6"
    & skf21("1","5","7","1","5","1","6","1") = "6"
    & skf21("1","5","7","1","5","1","7","1") = "6"
    & skf21("1","5","7","1","5","2","1","1") = "6"
    & skf21("1","5","7","1","5","2","2","1") = "6"
    & skf21("1","5","7","1","5","2","3","1") = "6"
    & skf21("1","5","7","1","5","2","4","1") = "6"
    & skf21("1","5","7","1","5","2","5","1") = "6"
    & skf21("1","5","7","1","5","2","6","1") = "6"
    & skf21("1","5","7","1","5","2","7","1") = "6"
    & skf21("1","5","7","1","5","3","1","1") = "6"
    & skf21("1","5","7","1","5","3","2","1") = "6"
    & skf21("1","5","7","1","5","3","3","1") = "6"
    & skf21("1","5","7","1","5","3","4","1") = "6"
    & skf21("1","5","7","1","5","3","5","1") = "6"
    & skf21("1","5","7","1","5","3","6","1") = "6"
    & skf21("1","5","7","1","5","3","7","1") = "6"
    & skf21("1","5","7","1","5","4","1","1") = "6"
    & skf21("1","5","7","1","5","4","2","1") = "6"
    & skf21("1","5","7","1","5","4","3","1") = "6"
    & skf21("1","5","7","1","5","4","4","1") = "6"
    & skf21("1","5","7","1","5","4","5","1") = "6"
    & skf21("1","5","7","1","5","4","6","1") = "6"
    & skf21("1","5","7","1","5","4","7","1") = "6"
    & skf21("1","5","7","1","5","5","1","1") = "6"
    & skf21("1","5","7","1","5","5","2","1") = "6"
    & skf21("1","5","7","1","5","5","3","1") = "6"
    & skf21("1","5","7","1","5","5","4","1") = "6"
    & skf21("1","5","7","1","5","5","5","1") = "6"
    & skf21("1","5","7","1","5","5","6","1") = "6"
    & skf21("1","5","7","1","5","5","7","1") = "6"
    & skf21("1","5","7","1","5","6","1","1") = "6"
    & skf21("1","5","7","1","5","6","2","1") = "6"
    & skf21("1","5","7","1","5","6","3","1") = "6"
    & skf21("1","5","7","1","5","6","4","1") = "6"
    & skf21("1","5","7","1","5","6","5","1") = "6"
    & skf21("1","5","7","1","5","6","6","1") = "6"
    & skf21("1","5","7","1","5","6","7","1") = "6"
    & skf21("1","5","7","1","5","7","1","1") = "6"
    & skf21("1","5","7","1","5","7","2","1") = "6"
    & skf21("1","5","7","1","5","7","3","1") = "6"
    & skf21("1","5","7","1","5","7","4","1") = "6"
    & skf21("1","5","7","1","5","7","5","1") = "6"
    & skf21("1","5","7","1","5","7","6","1") = "6"
    & skf21("1","5","7","1","5","7","7","1") = "6"
    & skf21("1","5","7","1","6","1","1","1") = "6"
    & skf21("1","5","7","1","6","1","2","1") = "6"
    & skf21("1","5","7","1","6","1","3","1") = "6"
    & skf21("1","5","7","1","6","1","4","1") = "6"
    & skf21("1","5","7","1","6","1","5","1") = "6"
    & skf21("1","5","7","1","6","1","6","1") = "6"
    & skf21("1","5","7","1","6","1","7","1") = "6"
    & skf21("1","5","7","1","6","2","1","1") = "6"
    & skf21("1","5","7","1","6","2","2","1") = "6"
    & skf21("1","5","7","1","6","2","3","1") = "6"
    & skf21("1","5","7","1","6","2","4","1") = "6"
    & skf21("1","5","7","1","6","2","5","1") = "6"
    & skf21("1","5","7","1","6","2","6","1") = "6"
    & skf21("1","5","7","1","6","2","7","1") = "6"
    & skf21("1","5","7","1","6","3","1","1") = "6"
    & skf21("1","5","7","1","6","3","2","1") = "6"
    & skf21("1","5","7","1","6","3","3","1") = "6"
    & skf21("1","5","7","1","6","3","4","1") = "6"
    & skf21("1","5","7","1","6","3","5","1") = "6"
    & skf21("1","5","7","1","6","3","6","1") = "6"
    & skf21("1","5","7","1","6","3","7","1") = "6"
    & skf21("1","5","7","1","6","4","1","1") = "6"
    & skf21("1","5","7","1","6","4","2","1") = "6"
    & skf21("1","5","7","1","6","4","3","1") = "6"
    & skf21("1","5","7","1","6","4","4","1") = "6"
    & skf21("1","5","7","1","6","4","5","1") = "6"
    & skf21("1","5","7","1","6","4","6","1") = "6"
    & skf21("1","5","7","1","6","4","7","1") = "6"
    & skf21("1","5","7","1","6","5","1","1") = "6"
    & skf21("1","5","7","1","6","5","2","1") = "6"
    & skf21("1","5","7","1","6","5","3","1") = "6"
    & skf21("1","5","7","1","6","5","4","1") = "6"
    & skf21("1","5","7","1","6","5","5","1") = "6"
    & skf21("1","5","7","1","6","5","6","1") = "6"
    & skf21("1","5","7","1","6","5","7","1") = "6"
    & skf21("1","5","7","1","6","6","1","1") = "6"
    & skf21("1","5","7","1","6","6","2","1") = "6"
    & skf21("1","5","7","1","6","6","3","1") = "6"
    & skf21("1","5","7","1","6","6","4","1") = "6"
    & skf21("1","5","7","1","6","6","5","1") = "6"
    & skf21("1","5","7","1","6","6","6","1") = "6"
    & skf21("1","5","7","1","6","6","7","1") = "6"
    & skf21("1","5","7","1","6","7","1","1") = "6"
    & skf21("1","5","7","1","6","7","2","1") = "6"
    & skf21("1","5","7","1","6","7","3","1") = "6"
    & skf21("1","5","7","1","6","7","4","1") = "6"
    & skf21("1","5","7","1","6","7","5","1") = "6"
    & skf21("1","5","7","1","6","7","6","1") = "6"
    & skf21("1","5","7","1","6","7","7","1") = "6"
    & skf21("1","5","7","1","7","1","1","1") = "6"
    & skf21("1","5","7","1","7","1","2","1") = "6"
    & skf21("1","5","7","1","7","1","3","1") = "6"
    & skf21("1","5","7","1","7","1","4","1") = "6"
    & skf21("1","5","7","1","7","1","5","1") = "6"
    & skf21("1","5","7","1","7","1","6","1") = "6"
    & skf21("1","5","7","1","7","1","7","1") = "6"
    & skf21("1","5","7","1","7","2","1","1") = "6"
    & skf21("1","5","7","1","7","2","2","1") = "6"
    & skf21("1","5","7","1","7","2","3","1") = "6"
    & skf21("1","5","7","1","7","2","4","1") = "6"
    & skf21("1","5","7","1","7","2","5","1") = "6"
    & skf21("1","5","7","1","7","2","6","1") = "6"
    & skf21("1","5","7","1","7","2","7","1") = "6"
    & skf21("1","5","7","1","7","3","1","1") = "6"
    & skf21("1","5","7","1","7","3","2","1") = "6"
    & skf21("1","5","7","1","7","3","3","1") = "6"
    & skf21("1","5","7","1","7","3","4","1") = "6"
    & skf21("1","5","7","1","7","3","5","1") = "6"
    & skf21("1","5","7","1","7","3","6","1") = "6"
    & skf21("1","5","7","1","7","3","7","1") = "6"
    & skf21("1","5","7","1","7","4","1","1") = "6"
    & skf21("1","5","7","1","7","4","2","1") = "6"
    & skf21("1","5","7","1","7","4","3","1") = "6"
    & skf21("1","5","7","1","7","4","4","1") = "6"
    & skf21("1","5","7","1","7","4","5","1") = "6"
    & skf21("1","5","7","1","7","4","6","1") = "6"
    & skf21("1","5","7","1","7","4","7","1") = "6"
    & skf21("1","5","7","1","7","5","1","1") = "6"
    & skf21("1","5","7","1","7","5","2","1") = "6"
    & skf21("1","5","7","1","7","5","3","1") = "6"
    & skf21("1","5","7","1","7","5","4","1") = "6"
    & skf21("1","5","7","1","7","5","5","1") = "6"
    & skf21("1","5","7","1","7","5","6","1") = "6"
    & skf21("1","5","7","1","7","5","7","1") = "6"
    & skf21("1","5","7","1","7","6","1","1") = "6"
    & skf21("1","5","7","1","7","6","2","1") = "6"
    & skf21("1","5","7","1","7","6","3","1") = "6"
    & skf21("1","5","7","1","7","6","4","1") = "6"
    & skf21("1","5","7","1","7","6","5","1") = "6"
    & skf21("1","5","7","1","7","6","6","1") = "6"
    & skf21("1","5","7","1","7","6","7","1") = "6"
    & skf21("1","5","7","1","7","7","1","1") = "6"
    & skf21("1","5","7","1","7","7","2","1") = "6"
    & skf21("1","5","7","1","7","7","3","1") = "6"
    & skf21("1","5","7","1","7","7","4","1") = "6"
    & skf21("1","5","7","1","7","7","5","1") = "6"
    & skf21("1","5","7","1","7","7","6","1") = "6"
    & skf21("1","5","7","1","7","7","7","1") = "6"
    & skf21("1","5","7","2","1","1","1","1") = "6"
    & skf21("1","5","7","2","1","1","2","1") = "6"
    & skf21("1","5","7","2","1","1","3","1") = "6"
    & skf21("1","5","7","2","1","1","4","1") = "6"
    & skf21("1","5","7","2","1","1","5","1") = "6"
    & skf21("1","5","7","2","1","1","6","1") = "6"
    & skf21("1","5","7","2","1","1","7","1") = "6"
    & skf21("1","5","7","2","1","2","1","1") = "6"
    & skf21("1","5","7","2","1","2","2","1") = "6"
    & skf21("1","5","7","2","1","2","3","1") = "6"
    & skf21("1","5","7","2","1","2","4","1") = "6"
    & skf21("1","5","7","2","1","2","5","1") = "6"
    & skf21("1","5","7","2","1","2","6","1") = "6"
    & skf21("1","5","7","2","1","2","7","1") = "6"
    & skf21("1","5","7","2","1","3","1","1") = "6"
    & skf21("1","5","7","2","1","3","2","1") = "6"
    & skf21("1","5","7","2","1","3","3","1") = "6"
    & skf21("1","5","7","2","1","3","4","1") = "6"
    & skf21("1","5","7","2","1","3","5","1") = "6"
    & skf21("1","5","7","2","1","3","6","1") = "6"
    & skf21("1","5","7","2","1","3","7","1") = "6"
    & skf21("1","5","7","2","1","4","1","1") = "6"
    & skf21("1","5","7","2","1","4","2","1") = "6"
    & skf21("1","5","7","2","1","4","3","1") = "6"
    & skf21("1","5","7","2","1","4","4","1") = "6"
    & skf21("1","5","7","2","1","4","5","1") = "6"
    & skf21("1","5","7","2","1","4","6","1") = "6"
    & skf21("1","5","7","2","1","4","7","1") = "6"
    & skf21("1","5","7","2","1","5","1","1") = "6"
    & skf21("1","5","7","2","1","5","2","1") = "6"
    & skf21("1","5","7","2","1","5","3","1") = "6"
    & skf21("1","5","7","2","1","5","4","1") = "6"
    & skf21("1","5","7","2","1","5","5","1") = "6"
    & skf21("1","5","7","2","1","5","6","1") = "6"
    & skf21("1","5","7","2","1","5","7","1") = "6"
    & skf21("1","5","7","2","1","6","1","1") = "6"
    & skf21("1","5","7","2","1","6","2","1") = "6"
    & skf21("1","5","7","2","1","6","3","1") = "6"
    & skf21("1","5","7","2","1","6","4","1") = "6"
    & skf21("1","5","7","2","1","6","5","1") = "6"
    & skf21("1","5","7","2","1","6","6","1") = "6"
    & skf21("1","5","7","2","1","6","7","1") = "6"
    & skf21("1","5","7","2","1","7","1","1") = "6"
    & skf21("1","5","7","2","1","7","2","1") = "6"
    & skf21("1","5","7","2","1","7","3","1") = "6"
    & skf21("1","5","7","2","1","7","4","1") = "6"
    & skf21("1","5","7","2","1","7","5","1") = "6"
    & skf21("1","5","7","2","1","7","6","1") = "6"
    & skf21("1","5","7","2","1","7","7","1") = "6"
    & skf21("1","5","7","2","2","1","1","1") = "6"
    & skf21("1","5","7","2","2","1","2","1") = "6"
    & skf21("1","5","7","2","2","1","3","1") = "6"
    & skf21("1","5","7","2","2","1","4","1") = "6"
    & skf21("1","5","7","2","2","1","5","1") = "6"
    & skf21("1","5","7","2","2","1","6","1") = "6"
    & skf21("1","5","7","2","2","1","7","1") = "6"
    & skf21("1","5","7","2","2","2","1","1") = "6"
    & skf21("1","5","7","2","2","2","2","1") = "6"
    & skf21("1","5","7","2","2","2","3","1") = "6"
    & skf21("1","5","7","2","2","2","4","1") = "6"
    & skf21("1","5","7","2","2","2","5","1") = "6"
    & skf21("1","5","7","2","2","2","6","1") = "6"
    & skf21("1","5","7","2","2","2","7","1") = "6"
    & skf21("1","5","7","2","2","3","1","1") = "6"
    & skf21("1","5","7","2","2","3","2","1") = "6"
    & skf21("1","5","7","2","2","3","3","1") = "6"
    & skf21("1","5","7","2","2","3","4","1") = "6"
    & skf21("1","5","7","2","2","3","5","1") = "6"
    & skf21("1","5","7","2","2","3","6","1") = "6"
    & skf21("1","5","7","2","2","3","7","1") = "6"
    & skf21("1","5","7","2","2","4","1","1") = "6"
    & skf21("1","5","7","2","2","4","2","1") = "6"
    & skf21("1","5","7","2","2","4","3","1") = "6"
    & skf21("1","5","7","2","2","4","4","1") = "6"
    & skf21("1","5","7","2","2","4","5","1") = "6"
    & skf21("1","5","7","2","2","4","6","1") = "6"
    & skf21("1","5","7","2","2","4","7","1") = "6"
    & skf21("1","5","7","2","2","5","1","1") = "6"
    & skf21("1","5","7","2","2","5","2","1") = "6"
    & skf21("1","5","7","2","2","5","3","1") = "6"
    & skf21("1","5","7","2","2","5","4","1") = "6"
    & skf21("1","5","7","2","2","5","5","1") = "6"
    & skf21("1","5","7","2","2","5","6","1") = "6"
    & skf21("1","5","7","2","2","5","7","1") = "6"
    & skf21("1","5","7","2","2","6","1","1") = "6"
    & skf21("1","5","7","2","2","6","2","1") = "6"
    & skf21("1","5","7","2","2","6","3","1") = "6"
    & skf21("1","5","7","2","2","6","4","1") = "6"
    & skf21("1","5","7","2","2","6","5","1") = "6"
    & skf21("1","5","7","2","2","6","6","1") = "6"
    & skf21("1","5","7","2","2","6","7","1") = "6"
    & skf21("1","5","7","2","2","7","1","1") = "6"
    & skf21("1","5","7","2","2","7","2","1") = "6"
    & skf21("1","5","7","2","2","7","3","1") = "6"
    & skf21("1","5","7","2","2","7","4","1") = "6"
    & skf21("1","5","7","2","2","7","5","1") = "6"
    & skf21("1","5","7","2","2","7","6","1") = "6"
    & skf21("1","5","7","2","2","7","7","1") = "6"
    & skf21("1","5","7","2","3","1","1","1") = "6"
    & skf21("1","5","7","2","3","1","2","1") = "6"
    & skf21("1","5","7","2","3","1","3","1") = "6"
    & skf21("1","5","7","2","3","1","4","1") = "6"
    & skf21("1","5","7","2","3","1","5","1") = "6"
    & skf21("1","5","7","2","3","1","6","1") = "6"
    & skf21("1","5","7","2","3","1","7","1") = "6"
    & skf21("1","5","7","2","3","2","1","1") = "6"
    & skf21("1","5","7","2","3","2","2","1") = "6"
    & skf21("1","5","7","2","3","2","3","1") = "6"
    & skf21("1","5","7","2","3","2","4","1") = "6"
    & skf21("1","5","7","2","3","2","5","1") = "6"
    & skf21("1","5","7","2","3","2","6","1") = "6"
    & skf21("1","5","7","2","3","2","7","1") = "6"
    & skf21("1","5","7","2","3","3","1","1") = "6"
    & skf21("1","5","7","2","3","3","2","1") = "6"
    & skf21("1","5","7","2","3","3","3","1") = "6"
    & skf21("1","5","7","2","3","3","4","1") = "6"
    & skf21("1","5","7","2","3","3","5","1") = "6"
    & skf21("1","5","7","2","3","3","6","1") = "6"
    & skf21("1","5","7","2","3","3","7","1") = "6"
    & skf21("1","5","7","2","3","4","1","1") = "6"
    & skf21("1","5","7","2","3","4","2","1") = "6"
    & skf21("1","5","7","2","3","4","3","1") = "6"
    & skf21("1","5","7","2","3","4","4","1") = "6"
    & skf21("1","5","7","2","3","4","5","1") = "6"
    & skf21("1","5","7","2","3","4","6","1") = "6"
    & skf21("1","5","7","2","3","4","7","1") = "6"
    & skf21("1","5","7","2","3","5","1","1") = "6"
    & skf21("1","5","7","2","3","5","2","1") = "6"
    & skf21("1","5","7","2","3","5","3","1") = "6"
    & skf21("1","5","7","2","3","5","4","1") = "6"
    & skf21("1","5","7","2","3","5","5","1") = "6"
    & skf21("1","5","7","2","3","5","6","1") = "6"
    & skf21("1","5","7","2","3","5","7","1") = "6"
    & skf21("1","5","7","2","3","6","1","1") = "6"
    & skf21("1","5","7","2","3","6","2","1") = "6"
    & skf21("1","5","7","2","3","6","3","1") = "6"
    & skf21("1","5","7","2","3","6","4","1") = "6"
    & skf21("1","5","7","2","3","6","5","1") = "6"
    & skf21("1","5","7","2","3","6","6","1") = "6"
    & skf21("1","5","7","2","3","6","7","1") = "6"
    & skf21("1","5","7","2","3","7","1","1") = "6"
    & skf21("1","5","7","2","3","7","2","1") = "6"
    & skf21("1","5","7","2","3","7","3","1") = "6"
    & skf21("1","5","7","2","3","7","4","1") = "6"
    & skf21("1","5","7","2","3","7","5","1") = "6"
    & skf21("1","5","7","2","3","7","6","1") = "6"
    & skf21("1","5","7","2","3","7","7","1") = "6"
    & skf21("1","5","7","2","4","1","1","1") = "6"
    & skf21("1","5","7","2","4","1","2","1") = "6"
    & skf21("1","5","7","2","4","1","3","1") = "6"
    & skf21("1","5","7","2","4","1","4","1") = "6"
    & skf21("1","5","7","2","4","1","5","1") = "6"
    & skf21("1","5","7","2","4","1","6","1") = "6"
    & skf21("1","5","7","2","4","1","7","1") = "6"
    & skf21("1","5","7","2","4","2","1","1") = "6"
    & skf21("1","5","7","2","4","2","2","1") = "6"
    & skf21("1","5","7","2","4","2","3","1") = "6"
    & skf21("1","5","7","2","4","2","4","1") = "6"
    & skf21("1","5","7","2","4","2","5","1") = "6"
    & skf21("1","5","7","2","4","2","6","1") = "6"
    & skf21("1","5","7","2","4","2","7","1") = "6"
    & skf21("1","5","7","2","4","3","1","1") = "6"
    & skf21("1","5","7","2","4","3","2","1") = "6"
    & skf21("1","5","7","2","4","3","3","1") = "6"
    & skf21("1","5","7","2","4","3","4","1") = "6"
    & skf21("1","5","7","2","4","3","5","1") = "6"
    & skf21("1","5","7","2","4","3","6","1") = "6"
    & skf21("1","5","7","2","4","3","7","1") = "6"
    & skf21("1","5","7","2","4","4","1","1") = "6"
    & skf21("1","5","7","2","4","4","2","1") = "6"
    & skf21("1","5","7","2","4","4","3","1") = "6"
    & skf21("1","5","7","2","4","4","4","1") = "6"
    & skf21("1","5","7","2","4","4","5","1") = "6"
    & skf21("1","5","7","2","4","4","6","1") = "6"
    & skf21("1","5","7","2","4","4","7","1") = "6"
    & skf21("1","5","7","2","4","5","1","1") = "6"
    & skf21("1","5","7","2","4","5","2","1") = "6"
    & skf21("1","5","7","2","4","5","3","1") = "6"
    & skf21("1","5","7","2","4","5","4","1") = "6"
    & skf21("1","5","7","2","4","5","5","1") = "6"
    & skf21("1","5","7","2","4","5","6","1") = "6"
    & skf21("1","5","7","2","4","5","7","1") = "6"
    & skf21("1","5","7","2","4","6","1","1") = "6"
    & skf21("1","5","7","2","4","6","2","1") = "6"
    & skf21("1","5","7","2","4","6","3","1") = "6"
    & skf21("1","5","7","2","4","6","4","1") = "6"
    & skf21("1","5","7","2","4","6","5","1") = "6"
    & skf21("1","5","7","2","4","6","6","1") = "6"
    & skf21("1","5","7","2","4","6","7","1") = "6"
    & skf21("1","5","7","2","4","7","1","1") = "6"
    & skf21("1","5","7","2","4","7","2","1") = "6"
    & skf21("1","5","7","2","4","7","3","1") = "6"
    & skf21("1","5","7","2","4","7","4","1") = "6"
    & skf21("1","5","7","2","4","7","5","1") = "6"
    & skf21("1","5","7","2","4","7","6","1") = "6"
    & skf21("1","5","7","2","4","7","7","1") = "6"
    & skf21("1","5","7","2","5","1","1","1") = "6"
    & skf21("1","5","7","2","5","1","2","1") = "6"
    & skf21("1","5","7","2","5","1","3","1") = "6"
    & skf21("1","5","7","2","5","1","4","1") = "6"
    & skf21("1","5","7","2","5","1","5","1") = "6"
    & skf21("1","5","7","2","5","1","6","1") = "6"
    & skf21("1","5","7","2","5","1","7","1") = "6"
    & skf21("1","5","7","2","5","2","1","1") = "6"
    & skf21("1","5","7","2","5","2","2","1") = "6"
    & skf21("1","5","7","2","5","2","3","1") = "6"
    & skf21("1","5","7","2","5","2","4","1") = "6"
    & skf21("1","5","7","2","5","2","5","1") = "6"
    & skf21("1","5","7","2","5","2","6","1") = "6"
    & skf21("1","5","7","2","5","2","7","1") = "6"
    & skf21("1","5","7","2","5","3","1","1") = "6"
    & skf21("1","5","7","2","5","3","2","1") = "6"
    & skf21("1","5","7","2","5","3","3","1") = "6"
    & skf21("1","5","7","2","5","3","4","1") = "6"
    & skf21("1","5","7","2","5","3","5","1") = "6"
    & skf21("1","5","7","2","5","3","6","1") = "6"
    & skf21("1","5","7","2","5","3","7","1") = "6"
    & skf21("1","5","7","2","5","4","1","1") = "6"
    & skf21("1","5","7","2","5","4","2","1") = "6"
    & skf21("1","5","7","2","5","4","3","1") = "6"
    & skf21("1","5","7","2","5","4","4","1") = "6"
    & skf21("1","5","7","2","5","4","5","1") = "6"
    & skf21("1","5","7","2","5","4","6","1") = "6"
    & skf21("1","5","7","2","5","4","7","1") = "6"
    & skf21("1","5","7","2","5","5","1","1") = "6"
    & skf21("1","5","7","2","5","5","2","1") = "6"
    & skf21("1","5","7","2","5","5","3","1") = "6"
    & skf21("1","5","7","2","5","5","4","1") = "6"
    & skf21("1","5","7","2","5","5","5","1") = "6"
    & skf21("1","5","7","2","5","5","6","1") = "6"
    & skf21("1","5","7","2","5","5","7","1") = "6"
    & skf21("1","5","7","2","5","6","1","1") = "6"
    & skf21("1","5","7","2","5","6","2","1") = "6"
    & skf21("1","5","7","2","5","6","3","1") = "6"
    & skf21("1","5","7","2","5","6","4","1") = "6"
    & skf21("1","5","7","2","5","6","5","1") = "6"
    & skf21("1","5","7","2","5","6","6","1") = "6"
    & skf21("1","5","7","2","5","6","7","1") = "6"
    & skf21("1","5","7","2","5","7","1","1") = "6"
    & skf21("1","5","7","2","5","7","2","1") = "6"
    & skf21("1","5","7","2","5","7","3","1") = "6"
    & skf21("1","5","7","2","5","7","4","1") = "6"
    & skf21("1","5","7","2","5","7","5","1") = "6"
    & skf21("1","5","7","2","5","7","6","1") = "6"
    & skf21("1","5","7","2","5","7","7","1") = "6"
    & skf21("1","5","7","2","6","1","1","1") = "6"
    & skf21("1","5","7","2","6","1","2","1") = "6"
    & skf21("1","5","7","2","6","1","3","1") = "6"
    & skf21("1","5","7","2","6","1","4","1") = "6"
    & skf21("1","5","7","2","6","1","5","1") = "6"
    & skf21("1","5","7","2","6","1","6","1") = "6"
    & skf21("1","5","7","2","6","1","7","1") = "6"
    & skf21("1","5","7","2","6","2","1","1") = "6"
    & skf21("1","5","7","2","6","2","2","1") = "6"
    & skf21("1","5","7","2","6","2","3","1") = "6"
    & skf21("1","5","7","2","6","2","4","1") = "6"
    & skf21("1","5","7","2","6","2","5","1") = "6"
    & skf21("1","5","7","2","6","2","6","1") = "6"
    & skf21("1","5","7","2","6","2","7","1") = "6"
    & skf21("1","5","7","2","6","3","1","1") = "6"
    & skf21("1","5","7","2","6","3","2","1") = "6"
    & skf21("1","5","7","2","6","3","3","1") = "6"
    & skf21("1","5","7","2","6","3","4","1") = "6"
    & skf21("1","5","7","2","6","3","5","1") = "6"
    & skf21("1","5","7","2","6","3","6","1") = "6"
    & skf21("1","5","7","2","6","3","7","1") = "6"
    & skf21("1","5","7","2","6","4","1","1") = "6"
    & skf21("1","5","7","2","6","4","2","1") = "6"
    & skf21("1","5","7","2","6","4","3","1") = "6"
    & skf21("1","5","7","2","6","4","4","1") = "6"
    & skf21("1","5","7","2","6","4","5","1") = "6"
    & skf21("1","5","7","2","6","4","6","1") = "6"
    & skf21("1","5","7","2","6","4","7","1") = "6"
    & skf21("1","5","7","2","6","5","1","1") = "6"
    & skf21("1","5","7","2","6","5","2","1") = "6"
    & skf21("1","5","7","2","6","5","3","1") = "6"
    & skf21("1","5","7","2","6","5","4","1") = "6"
    & skf21("1","5","7","2","6","5","5","1") = "6"
    & skf21("1","5","7","2","6","5","6","1") = "6"
    & skf21("1","5","7","2","6","5","7","1") = "6"
    & skf21("1","5","7","2","6","6","1","1") = "6"
    & skf21("1","5","7","2","6","6","2","1") = "6"
    & skf21("1","5","7","2","6","6","3","1") = "6"
    & skf21("1","5","7","2","6","6","4","1") = "6"
    & skf21("1","5","7","2","6","6","5","1") = "6"
    & skf21("1","5","7","2","6","6","6","1") = "6"
    & skf21("1","5","7","2","6","6","7","1") = "6"
    & skf21("1","5","7","2","6","7","1","1") = "6"
    & skf21("1","5","7","2","6","7","2","1") = "6"
    & skf21("1","5","7","2","6","7","3","1") = "6"
    & skf21("1","5","7","2","6","7","4","1") = "6"
    & skf21("1","5","7","2","6","7","5","1") = "6"
    & skf21("1","5","7","2","6","7","6","1") = "6"
    & skf21("1","5","7","2","6","7","7","1") = "6"
    & skf21("1","5","7","2","7","1","1","1") = "6"
    & skf21("1","5","7","2","7","1","2","1") = "6"
    & skf21("1","5","7","2","7","1","3","1") = "6"
    & skf21("1","5","7","2","7","1","4","1") = "6"
    & skf21("1","5","7","2","7","1","5","1") = "6"
    & skf21("1","5","7","2","7","1","6","1") = "6"
    & skf21("1","5","7","2","7","1","7","1") = "6"
    & skf21("1","5","7","2","7","2","1","1") = "6"
    & skf21("1","5","7","2","7","2","2","1") = "6"
    & skf21("1","5","7","2","7","2","3","1") = "6"
    & skf21("1","5","7","2","7","2","4","1") = "6"
    & skf21("1","5","7","2","7","2","5","1") = "6"
    & skf21("1","5","7","2","7","2","6","1") = "6"
    & skf21("1","5","7","2","7","2","7","1") = "6"
    & skf21("1","5","7","2","7","3","1","1") = "6"
    & skf21("1","5","7","2","7","3","2","1") = "6"
    & skf21("1","5","7","2","7","3","3","1") = "6"
    & skf21("1","5","7","2","7","3","4","1") = "6"
    & skf21("1","5","7","2","7","3","5","1") = "6"
    & skf21("1","5","7","2","7","3","6","1") = "6"
    & skf21("1","5","7","2","7","3","7","1") = "6"
    & skf21("1","5","7","2","7","4","1","1") = "6"
    & skf21("1","5","7","2","7","4","2","1") = "6"
    & skf21("1","5","7","2","7","4","3","1") = "6"
    & skf21("1","5","7","2","7","4","4","1") = "6"
    & skf21("1","5","7","2","7","4","5","1") = "6"
    & skf21("1","5","7","2","7","4","6","1") = "6"
    & skf21("1","5","7","2","7","4","7","1") = "6"
    & skf21("1","5","7","2","7","5","1","1") = "6"
    & skf21("1","5","7","2","7","5","2","1") = "6"
    & skf21("1","5","7","2","7","5","3","1") = "6"
    & skf21("1","5","7","2","7","5","4","1") = "6"
    & skf21("1","5","7","2","7","5","5","1") = "6"
    & skf21("1","5","7","2","7","5","6","1") = "6"
    & skf21("1","5","7","2","7","5","7","1") = "6"
    & skf21("1","5","7","2","7","6","1","1") = "6"
    & skf21("1","5","7","2","7","6","2","1") = "6"
    & skf21("1","5","7","2","7","6","3","1") = "6"
    & skf21("1","5","7","2","7","6","4","1") = "6"
    & skf21("1","5","7","2","7","6","5","1") = "6"
    & skf21("1","5","7","2","7","6","6","1") = "6"
    & skf21("1","5","7","2","7","6","7","1") = "6"
    & skf21("1","5","7","2","7","7","1","1") = "6"
    & skf21("1","5","7","2","7","7","2","1") = "6"
    & skf21("1","5","7","2","7","7","3","1") = "6"
    & skf21("1","5","7","2","7","7","4","1") = "6"
    & skf21("1","5","7","2","7","7","5","1") = "6"
    & skf21("1","5","7","2","7","7","6","1") = "6"
    & skf21("1","5","7","2","7","7","7","1") = "6"
    & skf21("1","5","7","3","1","1","1","1") = "6"
    & skf21("1","5","7","3","1","1","2","1") = "6"
    & skf21("1","5","7","3","1","1","3","1") = "6"
    & skf21("1","5","7","3","1","1","4","1") = "6"
    & skf21("1","5","7","3","1","1","5","1") = "6"
    & skf21("1","5","7","3","1","1","6","1") = "6"
    & skf21("1","5","7","3","1","1","7","1") = "6"
    & skf21("1","5","7","3","1","2","1","1") = "6"
    & skf21("1","5","7","3","1","2","2","1") = "6"
    & skf21("1","5","7","3","1","2","3","1") = "6"
    & skf21("1","5","7","3","1","2","4","1") = "6"
    & skf21("1","5","7","3","1","2","5","1") = "6"
    & skf21("1","5","7","3","1","2","6","1") = "6"
    & skf21("1","5","7","3","1","2","7","1") = "6"
    & skf21("1","5","7","3","1","3","1","1") = "6"
    & skf21("1","5","7","3","1","3","2","1") = "6"
    & skf21("1","5","7","3","1","3","3","1") = "6"
    & skf21("1","5","7","3","1","3","4","1") = "6"
    & skf21("1","5","7","3","1","3","5","1") = "6"
    & skf21("1","5","7","3","1","3","6","1") = "6"
    & skf21("1","5","7","3","1","3","7","1") = "6"
    & skf21("1","5","7","3","1","4","1","1") = "6"
    & skf21("1","5","7","3","1","4","2","1") = "6"
    & skf21("1","5","7","3","1","4","3","1") = "6"
    & skf21("1","5","7","3","1","4","4","1") = "6"
    & skf21("1","5","7","3","1","4","5","1") = "6"
    & skf21("1","5","7","3","1","4","6","1") = "6"
    & skf21("1","5","7","3","1","4","7","1") = "6"
    & skf21("1","5","7","3","1","5","1","1") = "6"
    & skf21("1","5","7","3","1","5","2","1") = "6"
    & skf21("1","5","7","3","1","5","3","1") = "6"
    & skf21("1","5","7","3","1","5","4","1") = "6"
    & skf21("1","5","7","3","1","5","5","1") = "6"
    & skf21("1","5","7","3","1","5","6","1") = "6"
    & skf21("1","5","7","3","1","5","7","1") = "6"
    & skf21("1","5","7","3","1","6","1","1") = "6"
    & skf21("1","5","7","3","1","6","2","1") = "6"
    & skf21("1","5","7","3","1","6","3","1") = "6"
    & skf21("1","5","7","3","1","6","4","1") = "6"
    & skf21("1","5","7","3","1","6","5","1") = "6"
    & skf21("1","5","7","3","1","6","6","1") = "6"
    & skf21("1","5","7","3","1","6","7","1") = "6"
    & skf21("1","5","7","3","1","7","1","1") = "6"
    & skf21("1","5","7","3","1","7","2","1") = "6"
    & skf21("1","5","7","3","1","7","3","1") = "6"
    & skf21("1","5","7","3","1","7","4","1") = "6"
    & skf21("1","5","7","3","1","7","5","1") = "6"
    & skf21("1","5","7","3","1","7","6","1") = "6"
    & skf21("1","5","7","3","1","7","7","1") = "6"
    & skf21("1","5","7","3","2","1","1","1") = "6"
    & skf21("1","5","7","3","2","1","2","1") = "6"
    & skf21("1","5","7","3","2","1","3","1") = "6"
    & skf21("1","5","7","3","2","1","4","1") = "6"
    & skf21("1","5","7","3","2","1","5","1") = "6"
    & skf21("1","5","7","3","2","1","6","1") = "6"
    & skf21("1","5","7","3","2","1","7","1") = "6"
    & skf21("1","5","7","3","2","2","1","1") = "6"
    & skf21("1","5","7","3","2","2","2","1") = "6"
    & skf21("1","5","7","3","2","2","3","1") = "6"
    & skf21("1","5","7","3","2","2","4","1") = "6"
    & skf21("1","5","7","3","2","2","5","1") = "6"
    & skf21("1","5","7","3","2","2","6","1") = "6"
    & skf21("1","5","7","3","2","2","7","1") = "6"
    & skf21("1","5","7","3","2","3","1","1") = "6"
    & skf21("1","5","7","3","2","3","2","1") = "6"
    & skf21("1","5","7","3","2","3","3","1") = "6"
    & skf21("1","5","7","3","2","3","4","1") = "6"
    & skf21("1","5","7","3","2","3","5","1") = "6"
    & skf21("1","5","7","3","2","3","6","1") = "6"
    & skf21("1","5","7","3","2","3","7","1") = "6"
    & skf21("1","5","7","3","2","4","1","1") = "6"
    & skf21("1","5","7","3","2","4","2","1") = "6"
    & skf21("1","5","7","3","2","4","3","1") = "6"
    & skf21("1","5","7","3","2","4","4","1") = "6"
    & skf21("1","5","7","3","2","4","5","1") = "6"
    & skf21("1","5","7","3","2","4","6","1") = "6"
    & skf21("1","5","7","3","2","4","7","1") = "6"
    & skf21("1","5","7","3","2","5","1","1") = "6"
    & skf21("1","5","7","3","2","5","2","1") = "6"
    & skf21("1","5","7","3","2","5","3","1") = "6"
    & skf21("1","5","7","3","2","5","4","1") = "6"
    & skf21("1","5","7","3","2","5","5","1") = "6"
    & skf21("1","5","7","3","2","5","6","1") = "6"
    & skf21("1","5","7","3","2","5","7","1") = "6"
    & skf21("1","5","7","3","2","6","1","1") = "6"
    & skf21("1","5","7","3","2","6","2","1") = "6"
    & skf21("1","5","7","3","2","6","3","1") = "6"
    & skf21("1","5","7","3","2","6","4","1") = "6"
    & skf21("1","5","7","3","2","6","5","1") = "6"
    & skf21("1","5","7","3","2","6","6","1") = "6"
    & skf21("1","5","7","3","2","6","7","1") = "6"
    & skf21("1","5","7","3","2","7","1","1") = "6"
    & skf21("1","5","7","3","2","7","2","1") = "6"
    & skf21("1","5","7","3","2","7","3","1") = "6"
    & skf21("1","5","7","3","2","7","4","1") = "6"
    & skf21("1","5","7","3","2","7","5","1") = "6"
    & skf21("1","5","7","3","2","7","6","1") = "6"
    & skf21("1","5","7","3","2","7","7","1") = "6"
    & skf21("1","5","7","3","3","1","1","1") = "6"
    & skf21("1","5","7","3","3","1","2","1") = "6"
    & skf21("1","5","7","3","3","1","3","1") = "6"
    & skf21("1","5","7","3","3","1","4","1") = "6"
    & skf21("1","5","7","3","3","1","5","1") = "6"
    & skf21("1","5","7","3","3","1","6","1") = "6"
    & skf21("1","5","7","3","3","1","7","1") = "6"
    & skf21("1","5","7","3","3","2","1","1") = "6"
    & skf21("1","5","7","3","3","2","2","1") = "6"
    & skf21("1","5","7","3","3","2","3","1") = "6"
    & skf21("1","5","7","3","3","2","4","1") = "6"
    & skf21("1","5","7","3","3","2","5","1") = "6"
    & skf21("1","5","7","3","3","2","6","1") = "6"
    & skf21("1","5","7","3","3","2","7","1") = "6"
    & skf21("1","5","7","3","3","3","1","1") = "6"
    & skf21("1","5","7","3","3","3","2","1") = "6"
    & skf21("1","5","7","3","3","3","3","1") = "6"
    & skf21("1","5","7","3","3","3","4","1") = "6"
    & skf21("1","5","7","3","3","3","5","1") = "6"
    & skf21("1","5","7","3","3","3","6","1") = "6"
    & skf21("1","5","7","3","3","3","7","1") = "6"
    & skf21("1","5","7","3","3","4","1","1") = "6"
    & skf21("1","5","7","3","3","4","2","1") = "6"
    & skf21("1","5","7","3","3","4","3","1") = "6"
    & skf21("1","5","7","3","3","4","4","1") = "6"
    & skf21("1","5","7","3","3","4","5","1") = "6"
    & skf21("1","5","7","3","3","4","6","1") = "6"
    & skf21("1","5","7","3","3","4","7","1") = "6"
    & skf21("1","5","7","3","3","5","1","1") = "6"
    & skf21("1","5","7","3","3","5","2","1") = "6"
    & skf21("1","5","7","3","3","5","3","1") = "6"
    & skf21("1","5","7","3","3","5","4","1") = "6"
    & skf21("1","5","7","3","3","5","5","1") = "6"
    & skf21("1","5","7","3","3","5","6","1") = "6"
    & skf21("1","5","7","3","3","5","7","1") = "6"
    & skf21("1","5","7","3","3","6","1","1") = "6"
    & skf21("1","5","7","3","3","6","2","1") = "6"
    & skf21("1","5","7","3","3","6","3","1") = "6"
    & skf21("1","5","7","3","3","6","4","1") = "6"
    & skf21("1","5","7","3","3","6","5","1") = "6"
    & skf21("1","5","7","3","3","6","6","1") = "6"
    & skf21("1","5","7","3","3","6","7","1") = "6"
    & skf21("1","5","7","3","3","7","1","1") = "6"
    & skf21("1","5","7","3","3","7","2","1") = "6"
    & skf21("1","5","7","3","3","7","3","1") = "6"
    & skf21("1","5","7","3","3","7","4","1") = "6"
    & skf21("1","5","7","3","3","7","5","1") = "6"
    & skf21("1","5","7","3","3","7","6","1") = "6"
    & skf21("1","5","7","3","3","7","7","1") = "6"
    & skf21("1","5","7","3","4","1","1","1") = "6"
    & skf21("1","5","7","3","4","1","2","1") = "6"
    & skf21("1","5","7","3","4","1","3","1") = "6"
    & skf21("1","5","7","3","4","1","4","1") = "6"
    & skf21("1","5","7","3","4","1","5","1") = "6"
    & skf21("1","5","7","3","4","1","6","1") = "6"
    & skf21("1","5","7","3","4","1","7","1") = "6"
    & skf21("1","5","7","3","4","2","1","1") = "6"
    & skf21("1","5","7","3","4","2","2","1") = "6"
    & skf21("1","5","7","3","4","2","3","1") = "6"
    & skf21("1","5","7","3","4","2","4","1") = "6"
    & skf21("1","5","7","3","4","2","5","1") = "6"
    & skf21("1","5","7","3","4","2","6","1") = "6"
    & skf21("1","5","7","3","4","2","7","1") = "6"
    & skf21("1","5","7","3","4","3","1","1") = "6"
    & skf21("1","5","7","3","4","3","2","1") = "6"
    & skf21("1","5","7","3","4","3","3","1") = "6"
    & skf21("1","5","7","3","4","3","4","1") = "6"
    & skf21("1","5","7","3","4","3","5","1") = "6"
    & skf21("1","5","7","3","4","3","6","1") = "6"
    & skf21("1","5","7","3","4","3","7","1") = "6"
    & skf21("1","5","7","3","4","4","1","1") = "6"
    & skf21("1","5","7","3","4","4","2","1") = "6"
    & skf21("1","5","7","3","4","4","3","1") = "6"
    & skf21("1","5","7","3","4","4","4","1") = "6"
    & skf21("1","5","7","3","4","4","5","1") = "6"
    & skf21("1","5","7","3","4","4","6","1") = "6"
    & skf21("1","5","7","3","4","4","7","1") = "6"
    & skf21("1","5","7","3","4","5","1","1") = "6"
    & skf21("1","5","7","3","4","5","2","1") = "6"
    & skf21("1","5","7","3","4","5","3","1") = "6"
    & skf21("1","5","7","3","4","5","4","1") = "6"
    & skf21("1","5","7","3","4","5","5","1") = "6"
    & skf21("1","5","7","3","4","5","6","1") = "6"
    & skf21("1","5","7","3","4","5","7","1") = "6"
    & skf21("1","5","7","3","4","6","1","1") = "6"
    & skf21("1","5","7","3","4","6","2","1") = "6"
    & skf21("1","5","7","3","4","6","3","1") = "6"
    & skf21("1","5","7","3","4","6","4","1") = "6"
    & skf21("1","5","7","3","4","6","5","1") = "6"
    & skf21("1","5","7","3","4","6","6","1") = "6"
    & skf21("1","5","7","3","4","6","7","1") = "6"
    & skf21("1","5","7","3","4","7","1","1") = "6"
    & skf21("1","5","7","3","4","7","2","1") = "6"
    & skf21("1","5","7","3","4","7","3","1") = "6"
    & skf21("1","5","7","3","4","7","4","1") = "6"
    & skf21("1","5","7","3","4","7","5","1") = "6"
    & skf21("1","5","7","3","4","7","6","1") = "6"
    & skf21("1","5","7","3","4","7","7","1") = "6"
    & skf21("1","5","7","3","5","1","1","1") = "6"
    & skf21("1","5","7","3","5","1","2","1") = "6"
    & skf21("1","5","7","3","5","1","3","1") = "6"
    & skf21("1","5","7","3","5","1","4","1") = "6"
    & skf21("1","5","7","3","5","1","5","1") = "6"
    & skf21("1","5","7","3","5","1","6","1") = "6"
    & skf21("1","5","7","3","5","1","7","1") = "6"
    & skf21("1","5","7","3","5","2","1","1") = "6"
    & skf21("1","5","7","3","5","2","2","1") = "6"
    & skf21("1","5","7","3","5","2","3","1") = "6"
    & skf21("1","5","7","3","5","2","4","1") = "6"
    & skf21("1","5","7","3","5","2","5","1") = "6"
    & skf21("1","5","7","3","5","2","6","1") = "6"
    & skf21("1","5","7","3","5","2","7","1") = "6"
    & skf21("1","5","7","3","5","3","1","1") = "6"
    & skf21("1","5","7","3","5","3","2","1") = "6"
    & skf21("1","5","7","3","5","3","3","1") = "6"
    & skf21("1","5","7","3","5","3","4","1") = "6"
    & skf21("1","5","7","3","5","3","5","1") = "6"
    & skf21("1","5","7","3","5","3","6","1") = "6"
    & skf21("1","5","7","3","5","3","7","1") = "6"
    & skf21("1","5","7","3","5","4","1","1") = "6"
    & skf21("1","5","7","3","5","4","2","1") = "6"
    & skf21("1","5","7","3","5","4","3","1") = "6"
    & skf21("1","5","7","3","5","4","4","1") = "6"
    & skf21("1","5","7","3","5","4","5","1") = "6"
    & skf21("1","5","7","3","5","4","6","1") = "6"
    & skf21("1","5","7","3","5","4","7","1") = "6"
    & skf21("1","5","7","3","5","5","1","1") = "6"
    & skf21("1","5","7","3","5","5","2","1") = "6"
    & skf21("1","5","7","3","5","5","3","1") = "6"
    & skf21("1","5","7","3","5","5","4","1") = "6"
    & skf21("1","5","7","3","5","5","5","1") = "6"
    & skf21("1","5","7","3","5","5","6","1") = "6"
    & skf21("1","5","7","3","5","5","7","1") = "6"
    & skf21("1","5","7","3","5","6","1","1") = "6"
    & skf21("1","5","7","3","5","6","2","1") = "6"
    & skf21("1","5","7","3","5","6","3","1") = "6"
    & skf21("1","5","7","3","5","6","4","1") = "6"
    & skf21("1","5","7","3","5","6","5","1") = "6"
    & skf21("1","5","7","3","5","6","6","1") = "6"
    & skf21("1","5","7","3","5","6","7","1") = "6"
    & skf21("1","5","7","3","5","7","1","1") = "6"
    & skf21("1","5","7","3","5","7","2","1") = "6"
    & skf21("1","5","7","3","5","7","3","1") = "6"
    & skf21("1","5","7","3","5","7","4","1") = "6"
    & skf21("1","5","7","3","5","7","5","1") = "6"
    & skf21("1","5","7","3","5","7","6","1") = "6"
    & skf21("1","5","7","3","5","7","7","1") = "6"
    & skf21("1","5","7","3","6","1","1","1") = "6"
    & skf21("1","5","7","3","6","1","2","1") = "6"
    & skf21("1","5","7","3","6","1","3","1") = "6"
    & skf21("1","5","7","3","6","1","4","1") = "6"
    & skf21("1","5","7","3","6","1","5","1") = "6"
    & skf21("1","5","7","3","6","1","6","1") = "6"
    & skf21("1","5","7","3","6","1","7","1") = "6"
    & skf21("1","5","7","3","6","2","1","1") = "6"
    & skf21("1","5","7","3","6","2","2","1") = "6"
    & skf21("1","5","7","3","6","2","3","1") = "6"
    & skf21("1","5","7","3","6","2","4","1") = "6"
    & skf21("1","5","7","3","6","2","5","1") = "6"
    & skf21("1","5","7","3","6","2","6","1") = "6"
    & skf21("1","5","7","3","6","2","7","1") = "6"
    & skf21("1","5","7","3","6","3","1","1") = "6"
    & skf21("1","5","7","3","6","3","2","1") = "6"
    & skf21("1","5","7","3","6","3","3","1") = "6"
    & skf21("1","5","7","3","6","3","4","1") = "6"
    & skf21("1","5","7","3","6","3","5","1") = "6"
    & skf21("1","5","7","3","6","3","6","1") = "6"
    & skf21("1","5","7","3","6","3","7","1") = "6"
    & skf21("1","5","7","3","6","4","1","1") = "6"
    & skf21("1","5","7","3","6","4","2","1") = "6"
    & skf21("1","5","7","3","6","4","3","1") = "6"
    & skf21("1","5","7","3","6","4","4","1") = "6"
    & skf21("1","5","7","3","6","4","5","1") = "6"
    & skf21("1","5","7","3","6","4","6","1") = "6"
    & skf21("1","5","7","3","6","4","7","1") = "6"
    & skf21("1","5","7","3","6","5","1","1") = "6"
    & skf21("1","5","7","3","6","5","2","1") = "6"
    & skf21("1","5","7","3","6","5","3","1") = "6"
    & skf21("1","5","7","3","6","5","4","1") = "6"
    & skf21("1","5","7","3","6","5","5","1") = "6"
    & skf21("1","5","7","3","6","5","6","1") = "6"
    & skf21("1","5","7","3","6","5","7","1") = "6"
    & skf21("1","5","7","3","6","6","1","1") = "6"
    & skf21("1","5","7","3","6","6","2","1") = "6"
    & skf21("1","5","7","3","6","6","3","1") = "6"
    & skf21("1","5","7","3","6","6","4","1") = "6"
    & skf21("1","5","7","3","6","6","5","1") = "6"
    & skf21("1","5","7","3","6","6","6","1") = "6"
    & skf21("1","5","7","3","6","6","7","1") = "6"
    & skf21("1","5","7","3","6","7","1","1") = "6"
    & skf21("1","5","7","3","6","7","2","1") = "6"
    & skf21("1","5","7","3","6","7","3","1") = "6"
    & skf21("1","5","7","3","6","7","4","1") = "6"
    & skf21("1","5","7","3","6","7","5","1") = "6"
    & skf21("1","5","7","3","6","7","6","1") = "6"
    & skf21("1","5","7","3","6","7","7","1") = "6"
    & skf21("1","5","7","3","7","1","1","1") = "6"
    & skf21("1","5","7","3","7","1","2","1") = "6"
    & skf21("1","5","7","3","7","1","3","1") = "6"
    & skf21("1","5","7","3","7","1","4","1") = "6"
    & skf21("1","5","7","3","7","1","5","1") = "6"
    & skf21("1","5","7","3","7","1","6","1") = "6"
    & skf21("1","5","7","3","7","1","7","1") = "6"
    & skf21("1","5","7","3","7","2","1","1") = "6"
    & skf21("1","5","7","3","7","2","2","1") = "6"
    & skf21("1","5","7","3","7","2","3","1") = "6"
    & skf21("1","5","7","3","7","2","4","1") = "6"
    & skf21("1","5","7","3","7","2","5","1") = "6"
    & skf21("1","5","7","3","7","2","6","1") = "6"
    & skf21("1","5","7","3","7","2","7","1") = "6"
    & skf21("1","5","7","3","7","3","1","1") = "6"
    & skf21("1","5","7","3","7","3","2","1") = "6"
    & skf21("1","5","7","3","7","3","3","1") = "6"
    & skf21("1","5","7","3","7","3","4","1") = "6"
    & skf21("1","5","7","3","7","3","5","1") = "6"
    & skf21("1","5","7","3","7","3","6","1") = "6"
    & skf21("1","5","7","3","7","3","7","1") = "6"
    & skf21("1","5","7","3","7","4","1","1") = "6"
    & skf21("1","5","7","3","7","4","2","1") = "6"
    & skf21("1","5","7","3","7","4","3","1") = "6"
    & skf21("1","5","7","3","7","4","4","1") = "6"
    & skf21("1","5","7","3","7","4","5","1") = "6"
    & skf21("1","5","7","3","7","4","6","1") = "6"
    & skf21("1","5","7","3","7","4","7","1") = "6"
    & skf21("1","5","7","3","7","5","1","1") = "6"
    & skf21("1","5","7","3","7","5","2","1") = "6"
    & skf21("1","5","7","3","7","5","3","1") = "6"
    & skf21("1","5","7","3","7","5","4","1") = "6"
    & skf21("1","5","7","3","7","5","5","1") = "6"
    & skf21("1","5","7","3","7","5","6","1") = "6"
    & skf21("1","5","7","3","7","5","7","1") = "6"
    & skf21("1","5","7","3","7","6","1","1") = "6"
    & skf21("1","5","7","3","7","6","2","1") = "6"
    & skf21("1","5","7","3","7","6","3","1") = "6"
    & skf21("1","5","7","3","7","6","4","1") = "6"
    & skf21("1","5","7","3","7","6","5","1") = "6"
    & skf21("1","5","7","3","7","6","6","1") = "6"
    & skf21("1","5","7","3","7","6","7","1") = "6"
    & skf21("1","5","7","3","7","7","1","1") = "6"
    & skf21("1","5","7","3","7","7","2","1") = "6"
    & skf21("1","5","7","3","7","7","3","1") = "6"
    & skf21("1","5","7","3","7","7","4","1") = "6"
    & skf21("1","5","7","3","7","7","5","1") = "6"
    & skf21("1","5","7","3","7","7","6","1") = "6"
    & skf21("1","5","7","3","7","7","7","1") = "6"
    & skf21("1","5","7","4","1","1","1","1") = "6"
    & skf21("1","5","7","4","1","1","2","1") = "6"
    & skf21("1","5","7","4","1","1","3","1") = "6"
    & skf21("1","5","7","4","1","1","4","1") = "6"
    & skf21("1","5","7","4","1","1","5","1") = "6"
    & skf21("1","5","7","4","1","1","6","1") = "6"
    & skf21("1","5","7","4","1","1","7","1") = "6"
    & skf21("1","5","7","4","1","2","1","1") = "6"
    & skf21("1","5","7","4","1","2","2","1") = "6"
    & skf21("1","5","7","4","1","2","3","1") = "6"
    & skf21("1","5","7","4","1","2","4","1") = "6"
    & skf21("1","5","7","4","1","2","5","1") = "6"
    & skf21("1","5","7","4","1","2","6","1") = "6"
    & skf21("1","5","7","4","1","2","7","1") = "6"
    & skf21("1","5","7","4","1","3","1","1") = "6"
    & skf21("1","5","7","4","1","3","2","1") = "6"
    & skf21("1","5","7","4","1","3","3","1") = "6"
    & skf21("1","5","7","4","1","3","4","1") = "6"
    & skf21("1","5","7","4","1","3","5","1") = "6"
    & skf21("1","5","7","4","1","3","6","1") = "6"
    & skf21("1","5","7","4","1","3","7","1") = "6"
    & skf21("1","5","7","4","1","4","1","1") = "6"
    & skf21("1","5","7","4","1","4","2","1") = "6"
    & skf21("1","5","7","4","1","4","3","1") = "6"
    & skf21("1","5","7","4","1","4","4","1") = "6"
    & skf21("1","5","7","4","1","4","5","1") = "6"
    & skf21("1","5","7","4","1","4","6","1") = "6"
    & skf21("1","5","7","4","1","4","7","1") = "6"
    & skf21("1","5","7","4","1","5","1","1") = "6"
    & skf21("1","5","7","4","1","5","2","1") = "6"
    & skf21("1","5","7","4","1","5","3","1") = "6"
    & skf21("1","5","7","4","1","5","4","1") = "6"
    & skf21("1","5","7","4","1","5","5","1") = "6"
    & skf21("1","5","7","4","1","5","6","1") = "6"
    & skf21("1","5","7","4","1","5","7","1") = "6"
    & skf21("1","5","7","4","1","6","1","1") = "6"
    & skf21("1","5","7","4","1","6","2","1") = "6"
    & skf21("1","5","7","4","1","6","3","1") = "6"
    & skf21("1","5","7","4","1","6","4","1") = "6"
    & skf21("1","5","7","4","1","6","5","1") = "6"
    & skf21("1","5","7","4","1","6","6","1") = "6"
    & skf21("1","5","7","4","1","6","7","1") = "6"
    & skf21("1","5","7","4","1","7","1","1") = "6"
    & skf21("1","5","7","4","1","7","2","1") = "6"
    & skf21("1","5","7","4","1","7","3","1") = "6"
    & skf21("1","5","7","4","1","7","4","1") = "6"
    & skf21("1","5","7","4","1","7","5","1") = "6"
    & skf21("1","5","7","4","1","7","6","1") = "6"
    & skf21("1","5","7","4","1","7","7","1") = "6"
    & skf21("1","5","7","4","2","1","1","1") = "6"
    & skf21("1","5","7","4","2","1","2","1") = "6"
    & skf21("1","5","7","4","2","1","3","1") = "6"
    & skf21("1","5","7","4","2","1","4","1") = "6"
    & skf21("1","5","7","4","2","1","5","1") = "6"
    & skf21("1","5","7","4","2","1","6","1") = "6"
    & skf21("1","5","7","4","2","1","7","1") = "6"
    & skf21("1","5","7","4","2","2","1","1") = "6"
    & skf21("1","5","7","4","2","2","2","1") = "6"
    & skf21("1","5","7","4","2","2","3","1") = "6"
    & skf21("1","5","7","4","2","2","4","1") = "6"
    & skf21("1","5","7","4","2","2","5","1") = "6"
    & skf21("1","5","7","4","2","2","6","1") = "6"
    & skf21("1","5","7","4","2","2","7","1") = "6"
    & skf21("1","5","7","4","2","3","1","1") = "6"
    & skf21("1","5","7","4","2","3","2","1") = "6"
    & skf21("1","5","7","4","2","3","3","1") = "6"
    & skf21("1","5","7","4","2","3","4","1") = "6"
    & skf21("1","5","7","4","2","3","5","1") = "6"
    & skf21("1","5","7","4","2","3","6","1") = "6"
    & skf21("1","5","7","4","2","3","7","1") = "6"
    & skf21("1","5","7","4","2","4","1","1") = "6"
    & skf21("1","5","7","4","2","4","2","1") = "6"
    & skf21("1","5","7","4","2","4","3","1") = "6"
    & skf21("1","5","7","4","2","4","4","1") = "6"
    & skf21("1","5","7","4","2","4","5","1") = "6"
    & skf21("1","5","7","4","2","4","6","1") = "6"
    & skf21("1","5","7","4","2","4","7","1") = "6"
    & skf21("1","5","7","4","2","5","1","1") = "6"
    & skf21("1","5","7","4","2","5","2","1") = "6"
    & skf21("1","5","7","4","2","5","3","1") = "6"
    & skf21("1","5","7","4","2","5","4","1") = "6"
    & skf21("1","5","7","4","2","5","5","1") = "6"
    & skf21("1","5","7","4","2","5","6","1") = "6"
    & skf21("1","5","7","4","2","5","7","1") = "6"
    & skf21("1","5","7","4","2","6","1","1") = "6"
    & skf21("1","5","7","4","2","6","2","1") = "6"
    & skf21("1","5","7","4","2","6","3","1") = "6"
    & skf21("1","5","7","4","2","6","4","1") = "6"
    & skf21("1","5","7","4","2","6","5","1") = "6"
    & skf21("1","5","7","4","2","6","6","1") = "6"
    & skf21("1","5","7","4","2","6","7","1") = "6"
    & skf21("1","5","7","4","2","7","1","1") = "6"
    & skf21("1","5","7","4","2","7","2","1") = "6"
    & skf21("1","5","7","4","2","7","3","1") = "6"
    & skf21("1","5","7","4","2","7","4","1") = "6"
    & skf21("1","5","7","4","2","7","5","1") = "6"
    & skf21("1","5","7","4","2","7","6","1") = "6"
    & skf21("1","5","7","4","2","7","7","1") = "6"
    & skf21("1","5","7","4","3","1","1","1") = "6"
    & skf21("1","5","7","4","3","1","2","1") = "6"
    & skf21("1","5","7","4","3","1","3","1") = "6"
    & skf21("1","5","7","4","3","1","4","1") = "6"
    & skf21("1","5","7","4","3","1","5","1") = "6"
    & skf21("1","5","7","4","3","1","6","1") = "6"
    & skf21("1","5","7","4","3","1","7","1") = "6"
    & skf21("1","5","7","4","3","2","1","1") = "6"
    & skf21("1","5","7","4","3","2","2","1") = "6"
    & skf21("1","5","7","4","3","2","3","1") = "6"
    & skf21("1","5","7","4","3","2","4","1") = "6"
    & skf21("1","5","7","4","3","2","5","1") = "6"
    & skf21("1","5","7","4","3","2","6","1") = "6"
    & skf21("1","5","7","4","3","2","7","1") = "6"
    & skf21("1","5","7","4","3","3","1","1") = "6"
    & skf21("1","5","7","4","3","3","2","1") = "6"
    & skf21("1","5","7","4","3","3","3","1") = "6"
    & skf21("1","5","7","4","3","3","4","1") = "6"
    & skf21("1","5","7","4","3","3","5","1") = "6"
    & skf21("1","5","7","4","3","3","6","1") = "6"
    & skf21("1","5","7","4","3","3","7","1") = "6"
    & skf21("1","5","7","4","3","4","1","1") = "6"
    & skf21("1","5","7","4","3","4","2","1") = "6"
    & skf21("1","5","7","4","3","4","3","1") = "6"
    & skf21("1","5","7","4","3","4","4","1") = "6"
    & skf21("1","5","7","4","3","4","5","1") = "6"
    & skf21("1","5","7","4","3","4","6","1") = "6"
    & skf21("1","5","7","4","3","4","7","1") = "6"
    & skf21("1","5","7","4","3","5","1","1") = "6"
    & skf21("1","5","7","4","3","5","2","1") = "6"
    & skf21("1","5","7","4","3","5","3","1") = "6"
    & skf21("1","5","7","4","3","5","4","1") = "6"
    & skf21("1","5","7","4","3","5","5","1") = "6"
    & skf21("1","5","7","4","3","5","6","1") = "6"
    & skf21("1","5","7","4","3","5","7","1") = "6"
    & skf21("1","5","7","4","3","6","1","1") = "6"
    & skf21("1","5","7","4","3","6","2","1") = "6"
    & skf21("1","5","7","4","3","6","3","1") = "6"
    & skf21("1","5","7","4","3","6","4","1") = "6"
    & skf21("1","5","7","4","3","6","5","1") = "6"
    & skf21("1","5","7","4","3","6","6","1") = "6"
    & skf21("1","5","7","4","3","6","7","1") = "6"
    & skf21("1","5","7","4","3","7","1","1") = "6"
    & skf21("1","5","7","4","3","7","2","1") = "6"
    & skf21("1","5","7","4","3","7","3","1") = "6"
    & skf21("1","5","7","4","3","7","4","1") = "6"
    & skf21("1","5","7","4","3","7","5","1") = "6"
    & skf21("1","5","7","4","3","7","6","1") = "6"
    & skf21("1","5","7","4","3","7","7","1") = "6"
    & skf21("1","5","7","4","4","1","1","1") = "6"
    & skf21("1","5","7","4","4","1","2","1") = "6"
    & skf21("1","5","7","4","4","1","3","1") = "6"
    & skf21("1","5","7","4","4","1","4","1") = "6"
    & skf21("1","5","7","4","4","1","5","1") = "6"
    & skf21("1","5","7","4","4","1","6","1") = "6"
    & skf21("1","5","7","4","4","1","7","1") = "6"
    & skf21("1","5","7","4","4","2","1","1") = "6"
    & skf21("1","5","7","4","4","2","2","1") = "6"
    & skf21("1","5","7","4","4","2","3","1") = "6"
    & skf21("1","5","7","4","4","2","4","1") = "6"
    & skf21("1","5","7","4","4","2","5","1") = "6"
    & skf21("1","5","7","4","4","2","6","1") = "6"
    & skf21("1","5","7","4","4","2","7","1") = "6"
    & skf21("1","5","7","4","4","3","1","1") = "6"
    & skf21("1","5","7","4","4","3","2","1") = "6"
    & skf21("1","5","7","4","4","3","3","1") = "6"
    & skf21("1","5","7","4","4","3","4","1") = "6"
    & skf21("1","5","7","4","4","3","5","1") = "6"
    & skf21("1","5","7","4","4","3","6","1") = "6"
    & skf21("1","5","7","4","4","3","7","1") = "6"
    & skf21("1","5","7","4","4","4","1","1") = "6"
    & skf21("1","5","7","4","4","4","2","1") = "6"
    & skf21("1","5","7","4","4","4","3","1") = "6"
    & skf21("1","5","7","4","4","4","4","1") = "6"
    & skf21("1","5","7","4","4","4","5","1") = "6"
    & skf21("1","5","7","4","4","4","6","1") = "6"
    & skf21("1","5","7","4","4","4","7","1") = "6"
    & skf21("1","5","7","4","4","5","1","1") = "6"
    & skf21("1","5","7","4","4","5","2","1") = "6"
    & skf21("1","5","7","4","4","5","3","1") = "6"
    & skf21("1","5","7","4","4","5","4","1") = "6"
    & skf21("1","5","7","4","4","5","5","1") = "6"
    & skf21("1","5","7","4","4","5","6","1") = "6"
    & skf21("1","5","7","4","4","5","7","1") = "6"
    & skf21("1","5","7","4","4","6","1","1") = "6"
    & skf21("1","5","7","4","4","6","2","1") = "6"
    & skf21("1","5","7","4","4","6","3","1") = "6"
    & skf21("1","5","7","4","4","6","4","1") = "6"
    & skf21("1","5","7","4","4","6","5","1") = "6"
    & skf21("1","5","7","4","4","6","6","1") = "6"
    & skf21("1","5","7","4","4","6","7","1") = "6"
    & skf21("1","5","7","4","4","7","1","1") = "6"
    & skf21("1","5","7","4","4","7","2","1") = "6"
    & skf21("1","5","7","4","4","7","3","1") = "6"
    & skf21("1","5","7","4","4","7","4","1") = "6"
    & skf21("1","5","7","4","4","7","5","1") = "6"
    & skf21("1","5","7","4","4","7","6","1") = "6"
    & skf21("1","5","7","4","4","7","7","1") = "6"
    & skf21("1","5","7","4","5","1","1","1") = "6"
    & skf21("1","5","7","4","5","1","2","1") = "6"
    & skf21("1","5","7","4","5","1","3","1") = "6"
    & skf21("1","5","7","4","5","1","4","1") = "6"
    & skf21("1","5","7","4","5","1","5","1") = "6"
    & skf21("1","5","7","4","5","1","6","1") = "6"
    & skf21("1","5","7","4","5","1","7","1") = "6"
    & skf21("1","5","7","4","5","2","1","1") = "6"
    & skf21("1","5","7","4","5","2","2","1") = "6"
    & skf21("1","5","7","4","5","2","3","1") = "6"
    & skf21("1","5","7","4","5","2","4","1") = "6"
    & skf21("1","5","7","4","5","2","5","1") = "6"
    & skf21("1","5","7","4","5","2","6","1") = "6"
    & skf21("1","5","7","4","5","2","7","1") = "6"
    & skf21("1","5","7","4","5","3","1","1") = "6"
    & skf21("1","5","7","4","5","3","2","1") = "6"
    & skf21("1","5","7","4","5","3","3","1") = "6"
    & skf21("1","5","7","4","5","3","4","1") = "6"
    & skf21("1","5","7","4","5","3","5","1") = "6"
    & skf21("1","5","7","4","5","3","6","1") = "6"
    & skf21("1","5","7","4","5","3","7","1") = "6"
    & skf21("1","5","7","4","5","4","1","1") = "6"
    & skf21("1","5","7","4","5","4","2","1") = "6"
    & skf21("1","5","7","4","5","4","3","1") = "6"
    & skf21("1","5","7","4","5","4","4","1") = "6"
    & skf21("1","5","7","4","5","4","5","1") = "6"
    & skf21("1","5","7","4","5","4","6","1") = "6"
    & skf21("1","5","7","4","5","4","7","1") = "6"
    & skf21("1","5","7","4","5","5","1","1") = "6"
    & skf21("1","5","7","4","5","5","2","1") = "6"
    & skf21("1","5","7","4","5","5","3","1") = "6"
    & skf21("1","5","7","4","5","5","4","1") = "6"
    & skf21("1","5","7","4","5","5","5","1") = "6"
    & skf21("1","5","7","4","5","5","6","1") = "6"
    & skf21("1","5","7","4","5","5","7","1") = "6"
    & skf21("1","5","7","4","5","6","1","1") = "6"
    & skf21("1","5","7","4","5","6","2","1") = "6"
    & skf21("1","5","7","4","5","6","3","1") = "6"
    & skf21("1","5","7","4","5","6","4","1") = "6"
    & skf21("1","5","7","4","5","6","5","1") = "6"
    & skf21("1","5","7","4","5","6","6","1") = "6"
    & skf21("1","5","7","4","5","6","7","1") = "6"
    & skf21("1","5","7","4","5","7","1","1") = "6"
    & skf21("1","5","7","4","5","7","2","1") = "6"
    & skf21("1","5","7","4","5","7","3","1") = "6"
    & skf21("1","5","7","4","5","7","4","1") = "6"
    & skf21("1","5","7","4","5","7","5","1") = "6"
    & skf21("1","5","7","4","5","7","6","1") = "6"
    & skf21("1","5","7","4","5","7","7","1") = "6"
    & skf21("1","5","7","4","6","1","1","1") = "6"
    & skf21("1","5","7","4","6","1","2","1") = "6"
    & skf21("1","5","7","4","6","1","3","1") = "6"
    & skf21("1","5","7","4","6","1","4","1") = "6"
    & skf21("1","5","7","4","6","1","5","1") = "6"
    & skf21("1","5","7","4","6","1","6","1") = "6"
    & skf21("1","5","7","4","6","1","7","1") = "6"
    & skf21("1","5","7","4","6","2","1","1") = "6"
    & skf21("1","5","7","4","6","2","2","1") = "6"
    & skf21("1","5","7","4","6","2","3","1") = "6"
    & skf21("1","5","7","4","6","2","4","1") = "6"
    & skf21("1","5","7","4","6","2","5","1") = "6"
    & skf21("1","5","7","4","6","2","6","1") = "6"
    & skf21("1","5","7","4","6","2","7","1") = "6"
    & skf21("1","5","7","4","6","3","1","1") = "6"
    & skf21("1","5","7","4","6","3","2","1") = "6"
    & skf21("1","5","7","4","6","3","3","1") = "6"
    & skf21("1","5","7","4","6","3","4","1") = "6"
    & skf21("1","5","7","4","6","3","5","1") = "6"
    & skf21("1","5","7","4","6","3","6","1") = "6"
    & skf21("1","5","7","4","6","3","7","1") = "6"
    & skf21("1","5","7","4","6","4","1","1") = "6"
    & skf21("1","5","7","4","6","4","2","1") = "6"
    & skf21("1","5","7","4","6","4","3","1") = "6"
    & skf21("1","5","7","4","6","4","4","1") = "6"
    & skf21("1","5","7","4","6","4","5","1") = "6"
    & skf21("1","5","7","4","6","4","6","1") = "6"
    & skf21("1","5","7","4","6","4","7","1") = "6"
    & skf21("1","5","7","4","6","5","1","1") = "6"
    & skf21("1","5","7","4","6","5","2","1") = "6"
    & skf21("1","5","7","4","6","5","3","1") = "6"
    & skf21("1","5","7","4","6","5","4","1") = "6"
    & skf21("1","5","7","4","6","5","5","1") = "6"
    & skf21("1","5","7","4","6","5","6","1") = "6"
    & skf21("1","5","7","4","6","5","7","1") = "6"
    & skf21("1","5","7","4","6","6","1","1") = "6"
    & skf21("1","5","7","4","6","6","2","1") = "6"
    & skf21("1","5","7","4","6","6","3","1") = "6"
    & skf21("1","5","7","4","6","6","4","1") = "6"
    & skf21("1","5","7","4","6","6","5","1") = "6"
    & skf21("1","5","7","4","6","6","6","1") = "6"
    & skf21("1","5","7","4","6","6","7","1") = "6"
    & skf21("1","5","7","4","6","7","1","1") = "6"
    & skf21("1","5","7","4","6","7","2","1") = "6"
    & skf21("1","5","7","4","6","7","3","1") = "6"
    & skf21("1","5","7","4","6","7","4","1") = "6"
    & skf21("1","5","7","4","6","7","5","1") = "6"
    & skf21("1","5","7","4","6","7","6","1") = "6"
    & skf21("1","5","7","4","6","7","7","1") = "6"
    & skf21("1","5","7","4","7","1","1","1") = "6"
    & skf21("1","5","7","4","7","1","2","1") = "6"
    & skf21("1","5","7","4","7","1","3","1") = "6"
    & skf21("1","5","7","4","7","1","4","1") = "6"
    & skf21("1","5","7","4","7","1","5","1") = "6"
    & skf21("1","5","7","4","7","1","6","1") = "6"
    & skf21("1","5","7","4","7","1","7","1") = "6"
    & skf21("1","5","7","4","7","2","1","1") = "6"
    & skf21("1","5","7","4","7","2","2","1") = "6"
    & skf21("1","5","7","4","7","2","3","1") = "6"
    & skf21("1","5","7","4","7","2","4","1") = "6"
    & skf21("1","5","7","4","7","2","5","1") = "6"
    & skf21("1","5","7","4","7","2","6","1") = "6"
    & skf21("1","5","7","4","7","2","7","1") = "6"
    & skf21("1","5","7","4","7","3","1","1") = "6"
    & skf21("1","5","7","4","7","3","2","1") = "6"
    & skf21("1","5","7","4","7","3","3","1") = "6"
    & skf21("1","5","7","4","7","3","4","1") = "6"
    & skf21("1","5","7","4","7","3","5","1") = "6"
    & skf21("1","5","7","4","7","3","6","1") = "6"
    & skf21("1","5","7","4","7","3","7","1") = "6"
    & skf21("1","5","7","4","7","4","1","1") = "6"
    & skf21("1","5","7","4","7","4","2","1") = "6"
    & skf21("1","5","7","4","7","4","3","1") = "6"
    & skf21("1","5","7","4","7","4","4","1") = "6"
    & skf21("1","5","7","4","7","4","5","1") = "6"
    & skf21("1","5","7","4","7","4","6","1") = "6"
    & skf21("1","5","7","4","7","4","7","1") = "6"
    & skf21("1","5","7","4","7","5","1","1") = "6"
    & skf21("1","5","7","4","7","5","2","1") = "6"
    & skf21("1","5","7","4","7","5","3","1") = "6"
    & skf21("1","5","7","4","7","5","4","1") = "6"
    & skf21("1","5","7","4","7","5","5","1") = "6"
    & skf21("1","5","7","4","7","5","6","1") = "6"
    & skf21("1","5","7","4","7","5","7","1") = "6"
    & skf21("1","5","7","4","7","6","1","1") = "6"
    & skf21("1","5","7","4","7","6","2","1") = "6"
    & skf21("1","5","7","4","7","6","3","1") = "6"
    & skf21("1","5","7","4","7","6","4","1") = "6"
    & skf21("1","5","7","4","7","6","5","1") = "6"
    & skf21("1","5","7","4","7","6","6","1") = "6"
    & skf21("1","5","7","4","7","6","7","1") = "6"
    & skf21("1","5","7","4","7","7","1","1") = "6"
    & skf21("1","5","7","4","7","7","2","1") = "6"
    & skf21("1","5","7","4","7","7","3","1") = "6"
    & skf21("1","5","7","4","7","7","4","1") = "6"
    & skf21("1","5","7","4","7","7","5","1") = "6"
    & skf21("1","5","7","4","7","7","6","1") = "6"
    & skf21("1","5","7","4","7","7","7","1") = "6"
    & skf21("1","5","7","5","1","1","1","1") = "6"
    & skf21("1","5","7","5","1","1","2","1") = "6"
    & skf21("1","5","7","5","1","1","3","1") = "6"
    & skf21("1","5","7","5","1","1","4","1") = "6"
    & skf21("1","5","7","5","1","1","5","1") = "6"
    & skf21("1","5","7","5","1","1","6","1") = "6"
    & skf21("1","5","7","5","1","1","7","1") = "6"
    & skf21("1","5","7","5","1","2","1","1") = "6"
    & skf21("1","5","7","5","1","2","2","1") = "6"
    & skf21("1","5","7","5","1","2","3","1") = "6"
    & skf21("1","5","7","5","1","2","4","1") = "6"
    & skf21("1","5","7","5","1","2","5","1") = "6"
    & skf21("1","5","7","5","1","2","6","1") = "6"
    & skf21("1","5","7","5","1","2","7","1") = "6"
    & skf21("1","5","7","5","1","3","1","1") = "6"
    & skf21("1","5","7","5","1","3","2","1") = "6"
    & skf21("1","5","7","5","1","3","3","1") = "6"
    & skf21("1","5","7","5","1","3","4","1") = "6"
    & skf21("1","5","7","5","1","3","5","1") = "6"
    & skf21("1","5","7","5","1","3","6","1") = "6"
    & skf21("1","5","7","5","1","3","7","1") = "6"
    & skf21("1","5","7","5","1","4","1","1") = "6"
    & skf21("1","5","7","5","1","4","2","1") = "6"
    & skf21("1","5","7","5","1","4","3","1") = "6"
    & skf21("1","5","7","5","1","4","4","1") = "6"
    & skf21("1","5","7","5","1","4","5","1") = "6"
    & skf21("1","5","7","5","1","4","6","1") = "6"
    & skf21("1","5","7","5","1","4","7","1") = "6"
    & skf21("1","5","7","5","1","5","1","1") = "6"
    & skf21("1","5","7","5","1","5","2","1") = "6"
    & skf21("1","5","7","5","1","5","3","1") = "6"
    & skf21("1","5","7","5","1","5","4","1") = "6"
    & skf21("1","5","7","5","1","5","5","1") = "6"
    & skf21("1","5","7","5","1","5","6","1") = "6"
    & skf21("1","5","7","5","1","5","7","1") = "6"
    & skf21("1","5","7","5","1","6","1","1") = "6"
    & skf21("1","5","7","5","1","6","2","1") = "6"
    & skf21("1","5","7","5","1","6","3","1") = "6"
    & skf21("1","5","7","5","1","6","4","1") = "6"
    & skf21("1","5","7","5","1","6","5","1") = "6"
    & skf21("1","5","7","5","1","6","6","1") = "6"
    & skf21("1","5","7","5","1","6","7","1") = "6"
    & skf21("1","5","7","5","1","7","1","1") = "6"
    & skf21("1","5","7","5","1","7","2","1") = "6"
    & skf21("1","5","7","5","1","7","3","1") = "6"
    & skf21("1","5","7","5","1","7","4","1") = "6"
    & skf21("1","5","7","5","1","7","5","1") = "6"
    & skf21("1","5","7","5","1","7","6","1") = "6"
    & skf21("1","5","7","5","1","7","7","1") = "6"
    & skf21("1","5","7","5","2","1","1","1") = "6"
    & skf21("1","5","7","5","2","1","2","1") = "6"
    & skf21("1","5","7","5","2","1","3","1") = "6"
    & skf21("1","5","7","5","2","1","4","1") = "6"
    & skf21("1","5","7","5","2","1","5","1") = "6"
    & skf21("1","5","7","5","2","1","6","1") = "6"
    & skf21("1","5","7","5","2","1","7","1") = "6"
    & skf21("1","5","7","5","2","2","1","1") = "6"
    & skf21("1","5","7","5","2","2","2","1") = "6"
    & skf21("1","5","7","5","2","2","3","1") = "6"
    & skf21("1","5","7","5","2","2","4","1") = "6"
    & skf21("1","5","7","5","2","2","5","1") = "6"
    & skf21("1","5","7","5","2","2","6","1") = "6"
    & skf21("1","5","7","5","2","2","7","1") = "6"
    & skf21("1","5","7","5","2","3","1","1") = "6"
    & skf21("1","5","7","5","2","3","2","1") = "6"
    & skf21("1","5","7","5","2","3","3","1") = "6"
    & skf21("1","5","7","5","2","3","4","1") = "6"
    & skf21("1","5","7","5","2","3","5","1") = "6"
    & skf21("1","5","7","5","2","3","6","1") = "6"
    & skf21("1","5","7","5","2","3","7","1") = "6"
    & skf21("1","5","7","5","2","4","1","1") = "6"
    & skf21("1","5","7","5","2","4","2","1") = "6"
    & skf21("1","5","7","5","2","4","3","1") = "6"
    & skf21("1","5","7","5","2","4","4","1") = "6"
    & skf21("1","5","7","5","2","4","5","1") = "6"
    & skf21("1","5","7","5","2","4","6","1") = "6"
    & skf21("1","5","7","5","2","4","7","1") = "6"
    & skf21("1","5","7","5","2","5","1","1") = "6"
    & skf21("1","5","7","5","2","5","2","1") = "6"
    & skf21("1","5","7","5","2","5","3","1") = "6"
    & skf21("1","5","7","5","2","5","4","1") = "6"
    & skf21("1","5","7","5","2","5","5","1") = "6"
    & skf21("1","5","7","5","2","5","6","1") = "6"
    & skf21("1","5","7","5","2","5","7","1") = "6"
    & skf21("1","5","7","5","2","6","1","1") = "6"
    & skf21("1","5","7","5","2","6","2","1") = "6"
    & skf21("1","5","7","5","2","6","3","1") = "6"
    & skf21("1","5","7","5","2","6","4","1") = "6"
    & skf21("1","5","7","5","2","6","5","1") = "6"
    & skf21("1","5","7","5","2","6","6","1") = "6"
    & skf21("1","5","7","5","2","6","7","1") = "6"
    & skf21("1","5","7","5","2","7","1","1") = "6"
    & skf21("1","5","7","5","2","7","2","1") = "6"
    & skf21("1","5","7","5","2","7","3","1") = "6"
    & skf21("1","5","7","5","2","7","4","1") = "6"
    & skf21("1","5","7","5","2","7","5","1") = "6"
    & skf21("1","5","7","5","2","7","6","1") = "6"
    & skf21("1","5","7","5","2","7","7","1") = "6"
    & skf21("1","5","7","5","3","1","1","1") = "6"
    & skf21("1","5","7","5","3","1","2","1") = "6"
    & skf21("1","5","7","5","3","1","3","1") = "6"
    & skf21("1","5","7","5","3","1","4","1") = "6"
    & skf21("1","5","7","5","3","1","5","1") = "6"
    & skf21("1","5","7","5","3","1","6","1") = "6"
    & skf21("1","5","7","5","3","1","7","1") = "6"
    & skf21("1","5","7","5","3","2","1","1") = "6"
    & skf21("1","5","7","5","3","2","2","1") = "6"
    & skf21("1","5","7","5","3","2","3","1") = "6"
    & skf21("1","5","7","5","3","2","4","1") = "6"
    & skf21("1","5","7","5","3","2","5","1") = "6"
    & skf21("1","5","7","5","3","2","6","1") = "6"
    & skf21("1","5","7","5","3","2","7","1") = "6"
    & skf21("1","5","7","5","3","3","1","1") = "6"
    & skf21("1","5","7","5","3","3","2","1") = "6"
    & skf21("1","5","7","5","3","3","3","1") = "6"
    & skf21("1","5","7","5","3","3","4","1") = "6"
    & skf21("1","5","7","5","3","3","5","1") = "6"
    & skf21("1","5","7","5","3","3","6","1") = "6"
    & skf21("1","5","7","5","3","3","7","1") = "6"
    & skf21("1","5","7","5","3","4","1","1") = "6"
    & skf21("1","5","7","5","3","4","2","1") = "6"
    & skf21("1","5","7","5","3","4","3","1") = "6"
    & skf21("1","5","7","5","3","4","4","1") = "6"
    & skf21("1","5","7","5","3","4","5","1") = "6"
    & skf21("1","5","7","5","3","4","6","1") = "6"
    & skf21("1","5","7","5","3","4","7","1") = "6"
    & skf21("1","5","7","5","3","5","1","1") = "6"
    & skf21("1","5","7","5","3","5","2","1") = "6"
    & skf21("1","5","7","5","3","5","3","1") = "6"
    & skf21("1","5","7","5","3","5","4","1") = "6"
    & skf21("1","5","7","5","3","5","5","1") = "6"
    & skf21("1","5","7","5","3","5","6","1") = "6"
    & skf21("1","5","7","5","3","5","7","1") = "6"
    & skf21("1","5","7","5","3","6","1","1") = "6"
    & skf21("1","5","7","5","3","6","2","1") = "6"
    & skf21("1","5","7","5","3","6","3","1") = "6"
    & skf21("1","5","7","5","3","6","4","1") = "6"
    & skf21("1","5","7","5","3","6","5","1") = "6"
    & skf21("1","5","7","5","3","6","6","1") = "6"
    & skf21("1","5","7","5","3","6","7","1") = "6"
    & skf21("1","5","7","5","3","7","1","1") = "6"
    & skf21("1","5","7","5","3","7","2","1") = "6"
    & skf21("1","5","7","5","3","7","3","1") = "6"
    & skf21("1","5","7","5","3","7","4","1") = "6"
    & skf21("1","5","7","5","3","7","5","1") = "6"
    & skf21("1","5","7","5","3","7","6","1") = "6"
    & skf21("1","5","7","5","3","7","7","1") = "6"
    & skf21("1","5","7","5","4","1","1","1") = "6"
    & skf21("1","5","7","5","4","1","2","1") = "6"
    & skf21("1","5","7","5","4","1","3","1") = "6"
    & skf21("1","5","7","5","4","1","4","1") = "6"
    & skf21("1","5","7","5","4","1","5","1") = "6"
    & skf21("1","5","7","5","4","1","6","1") = "6"
    & skf21("1","5","7","5","4","1","7","1") = "6"
    & skf21("1","5","7","5","4","2","1","1") = "6"
    & skf21("1","5","7","5","4","2","2","1") = "6"
    & skf21("1","5","7","5","4","2","3","1") = "6"
    & skf21("1","5","7","5","4","2","4","1") = "6"
    & skf21("1","5","7","5","4","2","5","1") = "6"
    & skf21("1","5","7","5","4","2","6","1") = "6"
    & skf21("1","5","7","5","4","2","7","1") = "6"
    & skf21("1","5","7","5","4","3","1","1") = "6"
    & skf21("1","5","7","5","4","3","2","1") = "6"
    & skf21("1","5","7","5","4","3","3","1") = "6"
    & skf21("1","5","7","5","4","3","4","1") = "6"
    & skf21("1","5","7","5","4","3","5","1") = "6"
    & skf21("1","5","7","5","4","3","6","1") = "6"
    & skf21("1","5","7","5","4","3","7","1") = "6"
    & skf21("1","5","7","5","4","4","1","1") = "6"
    & skf21("1","5","7","5","4","4","2","1") = "6"
    & skf21("1","5","7","5","4","4","3","1") = "6"
    & skf21("1","5","7","5","4","4","4","1") = "6"
    & skf21("1","5","7","5","4","4","5","1") = "6"
    & skf21("1","5","7","5","4","4","6","1") = "6"
    & skf21("1","5","7","5","4","4","7","1") = "6"
    & skf21("1","5","7","5","4","5","1","1") = "6"
    & skf21("1","5","7","5","4","5","2","1") = "6"
    & skf21("1","5","7","5","4","5","3","1") = "6"
    & skf21("1","5","7","5","4","5","4","1") = "6"
    & skf21("1","5","7","5","4","5","5","1") = "6"
    & skf21("1","5","7","5","4","5","6","1") = "6"
    & skf21("1","5","7","5","4","5","7","1") = "6"
    & skf21("1","5","7","5","4","6","1","1") = "6"
    & skf21("1","5","7","5","4","6","2","1") = "6"
    & skf21("1","5","7","5","4","6","3","1") = "6"
    & skf21("1","5","7","5","4","6","4","1") = "6"
    & skf21("1","5","7","5","4","6","5","1") = "6"
    & skf21("1","5","7","5","4","6","6","1") = "6"
    & skf21("1","5","7","5","4","6","7","1") = "6"
    & skf21("1","5","7","5","4","7","1","1") = "6"
    & skf21("1","5","7","5","4","7","2","1") = "6"
    & skf21("1","5","7","5","4","7","3","1") = "6"
    & skf21("1","5","7","5","4","7","4","1") = "6"
    & skf21("1","5","7","5","4","7","5","1") = "6"
    & skf21("1","5","7","5","4","7","6","1") = "6"
    & skf21("1","5","7","5","4","7","7","1") = "6"
    & skf21("1","5","7","5","5","1","1","1") = "6"
    & skf21("1","5","7","5","5","1","2","1") = "6"
    & skf21("1","5","7","5","5","1","3","1") = "6"
    & skf21("1","5","7","5","5","1","4","1") = "6"
    & skf21("1","5","7","5","5","1","5","1") = "6"
    & skf21("1","5","7","5","5","1","6","1") = "6"
    & skf21("1","5","7","5","5","1","7","1") = "6"
    & skf21("1","5","7","5","5","2","1","1") = "6"
    & skf21("1","5","7","5","5","2","2","1") = "6"
    & skf21("1","5","7","5","5","2","3","1") = "6"
    & skf21("1","5","7","5","5","2","4","1") = "6"
    & skf21("1","5","7","5","5","2","5","1") = "6"
    & skf21("1","5","7","5","5","2","6","1") = "6"
    & skf21("1","5","7","5","5","2","7","1") = "6"
    & skf21("1","5","7","5","5","3","1","1") = "6"
    & skf21("1","5","7","5","5","3","2","1") = "6"
    & skf21("1","5","7","5","5","3","3","1") = "6"
    & skf21("1","5","7","5","5","3","4","1") = "6"
    & skf21("1","5","7","5","5","3","5","1") = "6"
    & skf21("1","5","7","5","5","3","6","1") = "6"
    & skf21("1","5","7","5","5","3","7","1") = "6"
    & skf21("1","5","7","5","5","4","1","1") = "6"
    & skf21("1","5","7","5","5","4","2","1") = "6"
    & skf21("1","5","7","5","5","4","3","1") = "6"
    & skf21("1","5","7","5","5","4","4","1") = "6"
    & skf21("1","5","7","5","5","4","5","1") = "6"
    & skf21("1","5","7","5","5","4","6","1") = "6"
    & skf21("1","5","7","5","5","4","7","1") = "6"
    & skf21("1","5","7","5","5","5","1","1") = "6"
    & skf21("1","5","7","5","5","5","2","1") = "6"
    & skf21("1","5","7","5","5","5","3","1") = "6"
    & skf21("1","5","7","5","5","5","4","1") = "6"
    & skf21("1","5","7","5","5","5","5","1") = "6"
    & skf21("1","5","7","5","5","5","6","1") = "6"
    & skf21("1","5","7","5","5","5","7","1") = "6"
    & skf21("1","5","7","5","5","6","1","1") = "6"
    & skf21("1","5","7","5","5","6","2","1") = "6"
    & skf21("1","5","7","5","5","6","3","1") = "6"
    & skf21("1","5","7","5","5","6","4","1") = "6"
    & skf21("1","5","7","5","5","6","5","1") = "6"
    & skf21("1","5","7","5","5","6","6","1") = "6"
    & skf21("1","5","7","5","5","6","7","1") = "6"
    & skf21("1","5","7","5","5","7","1","1") = "6"
    & skf21("1","5","7","5","5","7","2","1") = "6"
    & skf21("1","5","7","5","5","7","3","1") = "6"
    & skf21("1","5","7","5","5","7","4","1") = "6"
    & skf21("1","5","7","5","5","7","5","1") = "6"
    & skf21("1","5","7","5","5","7","6","1") = "6"
    & skf21("1","5","7","5","5","7","7","1") = "6"
    & skf21("1","5","7","5","6","1","1","1") = "6"
    & skf21("1","5","7","5","6","1","2","1") = "6"
    & skf21("1","5","7","5","6","1","3","1") = "6"
    & skf21("1","5","7","5","6","1","4","1") = "6"
    & skf21("1","5","7","5","6","1","5","1") = "6"
    & skf21("1","5","7","5","6","1","6","1") = "6"
    & skf21("1","5","7","5","6","1","7","1") = "6"
    & skf21("1","5","7","5","6","2","1","1") = "6"
    & skf21("1","5","7","5","6","2","2","1") = "6"
    & skf21("1","5","7","5","6","2","3","1") = "6"
    & skf21("1","5","7","5","6","2","4","1") = "6"
    & skf21("1","5","7","5","6","2","5","1") = "6"
    & skf21("1","5","7","5","6","2","6","1") = "6"
    & skf21("1","5","7","5","6","2","7","1") = "6"
    & skf21("1","5","7","5","6","3","1","1") = "6"
    & skf21("1","5","7","5","6","3","2","1") = "6"
    & skf21("1","5","7","5","6","3","3","1") = "6"
    & skf21("1","5","7","5","6","3","4","1") = "6"
    & skf21("1","5","7","5","6","3","5","1") = "6"
    & skf21("1","5","7","5","6","3","6","1") = "6"
    & skf21("1","5","7","5","6","3","7","1") = "6"
    & skf21("1","5","7","5","6","4","1","1") = "6"
    & skf21("1","5","7","5","6","4","2","1") = "6"
    & skf21("1","5","7","5","6","4","3","1") = "6"
    & skf21("1","5","7","5","6","4","4","1") = "6"
    & skf21("1","5","7","5","6","4","5","1") = "6"
    & skf21("1","5","7","5","6","4","6","1") = "6"
    & skf21("1","5","7","5","6","4","7","1") = "6"
    & skf21("1","5","7","5","6","5","1","1") = "6"
    & skf21("1","5","7","5","6","5","2","1") = "6"
    & skf21("1","5","7","5","6","5","3","1") = "6"
    & skf21("1","5","7","5","6","5","4","1") = "6"
    & skf21("1","5","7","5","6","5","5","1") = "6"
    & skf21("1","5","7","5","6","5","6","1") = "6"
    & skf21("1","5","7","5","6","5","7","1") = "6"
    & skf21("1","5","7","5","6","6","1","1") = "6"
    & skf21("1","5","7","5","6","6","2","1") = "6"
    & skf21("1","5","7","5","6","6","3","1") = "6"
    & skf21("1","5","7","5","6","6","4","1") = "6"
    & skf21("1","5","7","5","6","6","5","1") = "6"
    & skf21("1","5","7","5","6","6","6","1") = "6"
    & skf21("1","5","7","5","6","6","7","1") = "6"
    & skf21("1","5","7","5","6","7","1","1") = "6"
    & skf21("1","5","7","5","6","7","2","1") = "6"
    & skf21("1","5","7","5","6","7","3","1") = "6"
    & skf21("1","5","7","5","6","7","4","1") = "6"
    & skf21("1","5","7","5","6","7","5","1") = "6"
    & skf21("1","5","7","5","6","7","6","1") = "6"
    & skf21("1","5","7","5","6","7","7","1") = "6"
    & skf21("1","5","7","5","7","1","1","1") = "6"
    & skf21("1","5","7","5","7","1","2","1") = "6"
    & skf21("1","5","7","5","7","1","3","1") = "6"
    & skf21("1","5","7","5","7","1","4","1") = "6"
    & skf21("1","5","7","5","7","1","5","1") = "6"
    & skf21("1","5","7","5","7","1","6","1") = "6"
    & skf21("1","5","7","5","7","1","7","1") = "6"
    & skf21("1","5","7","5","7","2","1","1") = "6"
    & skf21("1","5","7","5","7","2","2","1") = "6"
    & skf21("1","5","7","5","7","2","3","1") = "6"
    & skf21("1","5","7","5","7","2","4","1") = "6"
    & skf21("1","5","7","5","7","2","5","1") = "6"
    & skf21("1","5","7","5","7","2","6","1") = "6"
    & skf21("1","5","7","5","7","2","7","1") = "6"
    & skf21("1","5","7","5","7","3","1","1") = "6"
    & skf21("1","5","7","5","7","3","2","1") = "6"
    & skf21("1","5","7","5","7","3","3","1") = "6"
    & skf21("1","5","7","5","7","3","4","1") = "6"
    & skf21("1","5","7","5","7","3","5","1") = "6"
    & skf21("1","5","7","5","7","3","6","1") = "6"
    & skf21("1","5","7","5","7","3","7","1") = "6"
    & skf21("1","5","7","5","7","4","1","1") = "6"
    & skf21("1","5","7","5","7","4","2","1") = "6"
    & skf21("1","5","7","5","7","4","3","1") = "6"
    & skf21("1","5","7","5","7","4","4","1") = "6"
    & skf21("1","5","7","5","7","4","5","1") = "6"
    & skf21("1","5","7","5","7","4","6","1") = "6"
    & skf21("1","5","7","5","7","4","7","1") = "6"
    & skf21("1","5","7","5","7","5","1","1") = "6"
    & skf21("1","5","7","5","7","5","2","1") = "6"
    & skf21("1","5","7","5","7","5","3","1") = "6"
    & skf21("1","5","7","5","7","5","4","1") = "6"
    & skf21("1","5","7","5","7","5","5","1") = "6"
    & skf21("1","5","7","5","7","5","6","1") = "6"
    & skf21("1","5","7","5","7","5","7","1") = "6"
    & skf21("1","5","7","5","7","6","1","1") = "6"
    & skf21("1","5","7","5","7","6","2","1") = "6"
    & skf21("1","5","7","5","7","6","3","1") = "6"
    & skf21("1","5","7","5","7","6","4","1") = "6"
    & skf21("1","5","7","5","7","6","5","1") = "6"
    & skf21("1","5","7","5","7","6","6","1") = "6"
    & skf21("1","5","7","5","7","6","7","1") = "6"
    & skf21("1","5","7","5","7","7","1","1") = "6"
    & skf21("1","5","7","5","7","7","2","1") = "6"
    & skf21("1","5","7","5","7","7","3","1") = "6"
    & skf21("1","5","7","5","7","7","4","1") = "6"
    & skf21("1","5","7","5","7","7","5","1") = "6"
    & skf21("1","5","7","5","7","7","6","1") = "6"
    & skf21("1","5","7","5","7","7","7","1") = "6"
    & skf21("1","5","7","6","1","1","1","1") = "6"
    & skf21("1","5","7","6","1","1","2","1") = "6"
    & skf21("1","5","7","6","1","1","3","1") = "6"
    & skf21("1","5","7","6","1","1","4","1") = "6"
    & skf21("1","5","7","6","1","1","5","1") = "6"
    & skf21("1","5","7","6","1","1","6","1") = "6"
    & skf21("1","5","7","6","1","1","7","1") = "6"
    & skf21("1","5","7","6","1","2","1","1") = "6"
    & skf21("1","5","7","6","1","2","2","1") = "6"
    & skf21("1","5","7","6","1","2","3","1") = "6"
    & skf21("1","5","7","6","1","2","4","1") = "6"
    & skf21("1","5","7","6","1","2","5","1") = "6"
    & skf21("1","5","7","6","1","2","6","1") = "6"
    & skf21("1","5","7","6","1","2","7","1") = "6"
    & skf21("1","5","7","6","1","3","1","1") = "6"
    & skf21("1","5","7","6","1","3","2","1") = "6"
    & skf21("1","5","7","6","1","3","3","1") = "6"
    & skf21("1","5","7","6","1","3","4","1") = "6"
    & skf21("1","5","7","6","1","3","5","1") = "6"
    & skf21("1","5","7","6","1","3","6","1") = "6"
    & skf21("1","5","7","6","1","3","7","1") = "6"
    & skf21("1","5","7","6","1","4","1","1") = "6"
    & skf21("1","5","7","6","1","4","2","1") = "6"
    & skf21("1","5","7","6","1","4","3","1") = "6"
    & skf21("1","5","7","6","1","4","4","1") = "6"
    & skf21("1","5","7","6","1","4","5","1") = "6"
    & skf21("1","5","7","6","1","4","6","1") = "6"
    & skf21("1","5","7","6","1","4","7","1") = "6"
    & skf21("1","5","7","6","1","5","1","1") = "6"
    & skf21("1","5","7","6","1","5","2","1") = "6"
    & skf21("1","5","7","6","1","5","3","1") = "6"
    & skf21("1","5","7","6","1","5","4","1") = "6"
    & skf21("1","5","7","6","1","5","5","1") = "6"
    & skf21("1","5","7","6","1","5","6","1") = "6"
    & skf21("1","5","7","6","1","5","7","1") = "6"
    & skf21("1","5","7","6","1","6","1","1") = "6"
    & skf21("1","5","7","6","1","6","2","1") = "6"
    & skf21("1","5","7","6","1","6","3","1") = "6"
    & skf21("1","5","7","6","1","6","4","1") = "6"
    & skf21("1","5","7","6","1","6","5","1") = "6"
    & skf21("1","5","7","6","1","6","6","1") = "6"
    & skf21("1","5","7","6","1","6","7","1") = "6"
    & skf21("1","5","7","6","1","7","1","1") = "6"
    & skf21("1","5","7","6","1","7","2","1") = "6"
    & skf21("1","5","7","6","1","7","3","1") = "6"
    & skf21("1","5","7","6","1","7","4","1") = "6"
    & skf21("1","5","7","6","1","7","5","1") = "6"
    & skf21("1","5","7","6","1","7","6","1") = "6"
    & skf21("1","5","7","6","1","7","7","1") = "6"
    & skf21("1","5","7","6","2","1","1","1") = "6"
    & skf21("1","5","7","6","2","1","2","1") = "6"
    & skf21("1","5","7","6","2","1","3","1") = "6"
    & skf21("1","5","7","6","2","1","4","1") = "6"
    & skf21("1","5","7","6","2","1","5","1") = "6"
    & skf21("1","5","7","6","2","1","6","1") = "6"
    & skf21("1","5","7","6","2","1","7","1") = "6"
    & skf21("1","5","7","6","2","2","1","1") = "6"
    & skf21("1","5","7","6","2","2","2","1") = "6"
    & skf21("1","5","7","6","2","2","3","1") = "6"
    & skf21("1","5","7","6","2","2","4","1") = "6"
    & skf21("1","5","7","6","2","2","5","1") = "6"
    & skf21("1","5","7","6","2","2","6","1") = "6"
    & skf21("1","5","7","6","2","2","7","1") = "6"
    & skf21("1","5","7","6","2","3","1","1") = "6"
    & skf21("1","5","7","6","2","3","2","1") = "6"
    & skf21("1","5","7","6","2","3","3","1") = "6"
    & skf21("1","5","7","6","2","3","4","1") = "6"
    & skf21("1","5","7","6","2","3","5","1") = "6"
    & skf21("1","5","7","6","2","3","6","1") = "6"
    & skf21("1","5","7","6","2","3","7","1") = "6"
    & skf21("1","5","7","6","2","4","1","1") = "6"
    & skf21("1","5","7","6","2","4","2","1") = "6"
    & skf21("1","5","7","6","2","4","3","1") = "6"
    & skf21("1","5","7","6","2","4","4","1") = "6"
    & skf21("1","5","7","6","2","4","5","1") = "6"
    & skf21("1","5","7","6","2","4","6","1") = "6"
    & skf21("1","5","7","6","2","4","7","1") = "6"
    & skf21("1","5","7","6","2","5","1","1") = "6"
    & skf21("1","5","7","6","2","5","2","1") = "6"
    & skf21("1","5","7","6","2","5","3","1") = "6"
    & skf21("1","5","7","6","2","5","4","1") = "6"
    & skf21("1","5","7","6","2","5","5","1") = "6"
    & skf21("1","5","7","6","2","5","6","1") = "6"
    & skf21("1","5","7","6","2","5","7","1") = "6"
    & skf21("1","5","7","6","2","6","1","1") = "6"
    & skf21("1","5","7","6","2","6","2","1") = "6"
    & skf21("1","5","7","6","2","6","3","1") = "6"
    & skf21("1","5","7","6","2","6","4","1") = "6"
    & skf21("1","5","7","6","2","6","5","1") = "6"
    & skf21("1","5","7","6","2","6","6","1") = "6"
    & skf21("1","5","7","6","2","6","7","1") = "6"
    & skf21("1","5","7","6","2","7","1","1") = "6"
    & skf21("1","5","7","6","2","7","2","1") = "6"
    & skf21("1","5","7","6","2","7","3","1") = "6"
    & skf21("1","5","7","6","2","7","4","1") = "6"
    & skf21("1","5","7","6","2","7","5","1") = "6"
    & skf21("1","5","7","6","2","7","6","1") = "6"
    & skf21("1","5","7","6","2","7","7","1") = "6"
    & skf21("1","5","7","6","3","1","1","1") = "6"
    & skf21("1","5","7","6","3","1","2","1") = "6"
    & skf21("1","5","7","6","3","1","3","1") = "6"
    & skf21("1","5","7","6","3","1","4","1") = "6"
    & skf21("1","5","7","6","3","1","5","1") = "6"
    & skf21("1","5","7","6","3","1","6","1") = "6"
    & skf21("1","5","7","6","3","1","7","1") = "6"
    & skf21("1","5","7","6","3","2","1","1") = "6"
    & skf21("1","5","7","6","3","2","2","1") = "6"
    & skf21("1","5","7","6","3","2","3","1") = "6"
    & skf21("1","5","7","6","3","2","4","1") = "6"
    & skf21("1","5","7","6","3","2","5","1") = "6"
    & skf21("1","5","7","6","3","2","6","1") = "6"
    & skf21("1","5","7","6","3","2","7","1") = "6"
    & skf21("1","5","7","6","3","3","1","1") = "6"
    & skf21("1","5","7","6","3","3","2","1") = "6"
    & skf21("1","5","7","6","3","3","3","1") = "6"
    & skf21("1","5","7","6","3","3","4","1") = "6"
    & skf21("1","5","7","6","3","3","5","1") = "6"
    & skf21("1","5","7","6","3","3","6","1") = "6"
    & skf21("1","5","7","6","3","3","7","1") = "6"
    & skf21("1","5","7","6","3","4","1","1") = "6"
    & skf21("1","5","7","6","3","4","2","1") = "6"
    & skf21("1","5","7","6","3","4","3","1") = "6"
    & skf21("1","5","7","6","3","4","4","1") = "6"
    & skf21("1","5","7","6","3","4","5","1") = "6"
    & skf21("1","5","7","6","3","4","6","1") = "6"
    & skf21("1","5","7","6","3","4","7","1") = "6"
    & skf21("1","5","7","6","3","5","1","1") = "6"
    & skf21("1","5","7","6","3","5","2","1") = "6"
    & skf21("1","5","7","6","3","5","3","1") = "6"
    & skf21("1","5","7","6","3","5","4","1") = "6"
    & skf21("1","5","7","6","3","5","5","1") = "6"
    & skf21("1","5","7","6","3","5","6","1") = "6"
    & skf21("1","5","7","6","3","5","7","1") = "6"
    & skf21("1","5","7","6","3","6","1","1") = "6"
    & skf21("1","5","7","6","3","6","2","1") = "6"
    & skf21("1","5","7","6","3","6","3","1") = "6"
    & skf21("1","5","7","6","3","6","4","1") = "6"
    & skf21("1","5","7","6","3","6","5","1") = "6"
    & skf21("1","5","7","6","3","6","6","1") = "6"
    & skf21("1","5","7","6","3","6","7","1") = "6"
    & skf21("1","5","7","6","3","7","1","1") = "6"
    & skf21("1","5","7","6","3","7","2","1") = "6"
    & skf21("1","5","7","6","3","7","3","1") = "6"
    & skf21("1","5","7","6","3","7","4","1") = "6"
    & skf21("1","5","7","6","3","7","5","1") = "6"
    & skf21("1","5","7","6","3","7","6","1") = "6"
    & skf21("1","5","7","6","3","7","7","1") = "6"
    & skf21("1","5","7","6","4","1","1","1") = "6"
    & skf21("1","5","7","6","4","1","2","1") = "6"
    & skf21("1","5","7","6","4","1","3","1") = "6"
    & skf21("1","5","7","6","4","1","4","1") = "6"
    & skf21("1","5","7","6","4","1","5","1") = "6"
    & skf21("1","5","7","6","4","1","6","1") = "6"
    & skf21("1","5","7","6","4","1","7","1") = "6"
    & skf21("1","5","7","6","4","2","1","1") = "6"
    & skf21("1","5","7","6","4","2","2","1") = "6"
    & skf21("1","5","7","6","4","2","3","1") = "6"
    & skf21("1","5","7","6","4","2","4","1") = "6"
    & skf21("1","5","7","6","4","2","5","1") = "6"
    & skf21("1","5","7","6","4","2","6","1") = "6"
    & skf21("1","5","7","6","4","2","7","1") = "6"
    & skf21("1","5","7","6","4","3","1","1") = "6"
    & skf21("1","5","7","6","4","3","2","1") = "6"
    & skf21("1","5","7","6","4","3","3","1") = "6"
    & skf21("1","5","7","6","4","3","4","1") = "6"
    & skf21("1","5","7","6","4","3","5","1") = "6"
    & skf21("1","5","7","6","4","3","6","1") = "6"
    & skf21("1","5","7","6","4","3","7","1") = "6"
    & skf21("1","5","7","6","4","4","1","1") = "6"
    & skf21("1","5","7","6","4","4","2","1") = "6"
    & skf21("1","5","7","6","4","4","3","1") = "6"
    & skf21("1","5","7","6","4","4","4","1") = "6"
    & skf21("1","5","7","6","4","4","5","1") = "6"
    & skf21("1","5","7","6","4","4","6","1") = "6"
    & skf21("1","5","7","6","4","4","7","1") = "6"
    & skf21("1","5","7","6","4","5","1","1") = "6"
    & skf21("1","5","7","6","4","5","2","1") = "6"
    & skf21("1","5","7","6","4","5","3","1") = "6"
    & skf21("1","5","7","6","4","5","4","1") = "6"
    & skf21("1","5","7","6","4","5","5","1") = "6"
    & skf21("1","5","7","6","4","5","6","1") = "6"
    & skf21("1","5","7","6","4","5","7","1") = "6"
    & skf21("1","5","7","6","4","6","1","1") = "6"
    & skf21("1","5","7","6","4","6","2","1") = "6"
    & skf21("1","5","7","6","4","6","3","1") = "6"
    & skf21("1","5","7","6","4","6","4","1") = "6"
    & skf21("1","5","7","6","4","6","5","1") = "6"
    & skf21("1","5","7","6","4","6","6","1") = "6"
    & skf21("1","5","7","6","4","6","7","1") = "6"
    & skf21("1","5","7","6","4","7","1","1") = "6"
    & skf21("1","5","7","6","4","7","2","1") = "6"
    & skf21("1","5","7","6","4","7","3","1") = "6"
    & skf21("1","5","7","6","4","7","4","1") = "6"
    & skf21("1","5","7","6","4","7","5","1") = "6"
    & skf21("1","5","7","6","4","7","6","1") = "6"
    & skf21("1","5","7","6","4","7","7","1") = "6"
    & skf21("1","5","7","6","5","1","1","1") = "6"
    & skf21("1","5","7","6","5","1","2","1") = "6"
    & skf21("1","5","7","6","5","1","3","1") = "6"
    & skf21("1","5","7","6","5","1","4","1") = "6"
    & skf21("1","5","7","6","5","1","5","1") = "6"
    & skf21("1","5","7","6","5","1","6","1") = "6"
    & skf21("1","5","7","6","5","1","7","1") = "6"
    & skf21("1","5","7","6","5","2","1","1") = "6"
    & skf21("1","5","7","6","5","2","2","1") = "6"
    & skf21("1","5","7","6","5","2","3","1") = "6"
    & skf21("1","5","7","6","5","2","4","1") = "6"
    & skf21("1","5","7","6","5","2","5","1") = "6"
    & skf21("1","5","7","6","5","2","6","1") = "6"
    & skf21("1","5","7","6","5","2","7","1") = "6"
    & skf21("1","5","7","6","5","3","1","1") = "6"
    & skf21("1","5","7","6","5","3","2","1") = "6"
    & skf21("1","5","7","6","5","3","3","1") = "6"
    & skf21("1","5","7","6","5","3","4","1") = "6"
    & skf21("1","5","7","6","5","3","5","1") = "6"
    & skf21("1","5","7","6","5","3","6","1") = "6"
    & skf21("1","5","7","6","5","3","7","1") = "6"
    & skf21("1","5","7","6","5","4","1","1") = "6"
    & skf21("1","5","7","6","5","4","2","1") = "6"
    & skf21("1","5","7","6","5","4","3","1") = "6"
    & skf21("1","5","7","6","5","4","4","1") = "6"
    & skf21("1","5","7","6","5","4","5","1") = "6"
    & skf21("1","5","7","6","5","4","6","1") = "6"
    & skf21("1","5","7","6","5","4","7","1") = "6"
    & skf21("1","5","7","6","5","5","1","1") = "6"
    & skf21("1","5","7","6","5","5","2","1") = "6"
    & skf21("1","5","7","6","5","5","3","1") = "6"
    & skf21("1","5","7","6","5","5","4","1") = "6"
    & skf21("1","5","7","6","5","5","5","1") = "6"
    & skf21("1","5","7","6","5","5","6","1") = "6"
    & skf21("1","5","7","6","5","5","7","1") = "6"
    & skf21("1","5","7","6","5","6","1","1") = "6"
    & skf21("1","5","7","6","5","6","2","1") = "6"
    & skf21("1","5","7","6","5","6","3","1") = "6"
    & skf21("1","5","7","6","5","6","4","1") = "6"
    & skf21("1","5","7","6","5","6","5","1") = "6"
    & skf21("1","5","7","6","5","6","6","1") = "6"
    & skf21("1","5","7","6","5","6","7","1") = "6"
    & skf21("1","5","7","6","5","7","1","1") = "6"
    & skf21("1","5","7","6","5","7","2","1") = "6"
    & skf21("1","5","7","6","5","7","3","1") = "6"
    & skf21("1","5","7","6","5","7","4","1") = "6"
    & skf21("1","5","7","6","5","7","5","1") = "6"
    & skf21("1","5","7","6","5","7","6","1") = "6"
    & skf21("1","5","7","6","5","7","7","1") = "6"
    & skf21("1","5","7","6","6","1","1","1") = "6"
    & skf21("1","5","7","6","6","1","2","1") = "6"
    & skf21("1","5","7","6","6","1","3","1") = "6"
    & skf21("1","5","7","6","6","1","4","1") = "6"
    & skf21("1","5","7","6","6","1","5","1") = "6"
    & skf21("1","5","7","6","6","1","6","1") = "6"
    & skf21("1","5","7","6","6","1","7","1") = "6"
    & skf21("1","5","7","6","6","2","1","1") = "6"
    & skf21("1","5","7","6","6","2","2","1") = "6"
    & skf21("1","5","7","6","6","2","3","1") = "6"
    & skf21("1","5","7","6","6","2","4","1") = "6"
    & skf21("1","5","7","6","6","2","5","1") = "6"
    & skf21("1","5","7","6","6","2","6","1") = "6"
    & skf21("1","5","7","6","6","2","7","1") = "6"
    & skf21("1","5","7","6","6","3","1","1") = "6"
    & skf21("1","5","7","6","6","3","2","1") = "6"
    & skf21("1","5","7","6","6","3","3","1") = "6"
    & skf21("1","5","7","6","6","3","4","1") = "6"
    & skf21("1","5","7","6","6","3","5","1") = "6"
    & skf21("1","5","7","6","6","3","6","1") = "6"
    & skf21("1","5","7","6","6","3","7","1") = "6"
    & skf21("1","5","7","6","6","4","1","1") = "6"
    & skf21("1","5","7","6","6","4","2","1") = "6"
    & skf21("1","5","7","6","6","4","3","1") = "6"
    & skf21("1","5","7","6","6","4","4","1") = "6"
    & skf21("1","5","7","6","6","4","5","1") = "6"
    & skf21("1","5","7","6","6","4","6","1") = "6"
    & skf21("1","5","7","6","6","4","7","1") = "6"
    & skf21("1","5","7","6","6","5","1","1") = "6"
    & skf21("1","5","7","6","6","5","2","1") = "6"
    & skf21("1","5","7","6","6","5","3","1") = "6"
    & skf21("1","5","7","6","6","5","4","1") = "6"
    & skf21("1","5","7","6","6","5","5","1") = "6"
    & skf21("1","5","7","6","6","5","6","1") = "6"
    & skf21("1","5","7","6","6","5","7","1") = "6"
    & skf21("1","5","7","6","6","6","1","1") = "6"
    & skf21("1","5","7","6","6","6","2","1") = "6"
    & skf21("1","5","7","6","6","6","3","1") = "6"
    & skf21("1","5","7","6","6","6","4","1") = "6"
    & skf21("1","5","7","6","6","6","5","1") = "6"
    & skf21("1","5","7","6","6","6","6","1") = "6"
    & skf21("1","5","7","6","6","6","7","1") = "6"
    & skf21("1","5","7","6","6","7","1","1") = "6"
    & skf21("1","5","7","6","6","7","2","1") = "6"
    & skf21("1","5","7","6","6","7","3","1") = "6"
    & skf21("1","5","7","6","6","7","4","1") = "6"
    & skf21("1","5","7","6","6","7","5","1") = "6"
    & skf21("1","5","7","6","6","7","6","1") = "6"
    & skf21("1","5","7","6","6","7","7","1") = "6"
    & skf21("1","5","7","6","7","1","1","1") = "6"
    & skf21("1","5","7","6","7","1","2","1") = "6"
    & skf21("1","5","7","6","7","1","3","1") = "6"
    & skf21("1","5","7","6","7","1","4","1") = "6"
    & skf21("1","5","7","6","7","1","5","1") = "6"
    & skf21("1","5","7","6","7","1","6","1") = "6"
    & skf21("1","5","7","6","7","1","7","1") = "6"
    & skf21("1","5","7","6","7","2","1","1") = "6"
    & skf21("1","5","7","6","7","2","2","1") = "6"
    & skf21("1","5","7","6","7","2","3","1") = "6"
    & skf21("1","5","7","6","7","2","4","1") = "6"
    & skf21("1","5","7","6","7","2","5","1") = "6"
    & skf21("1","5","7","6","7","2","6","1") = "6"
    & skf21("1","5","7","6","7","2","7","1") = "6"
    & skf21("1","5","7","6","7","3","1","1") = "6"
    & skf21("1","5","7","6","7","3","2","1") = "6"
    & skf21("1","5","7","6","7","3","3","1") = "6"
    & skf21("1","5","7","6","7","3","4","1") = "6"
    & skf21("1","5","7","6","7","3","5","1") = "6"
    & skf21("1","5","7","6","7","3","6","1") = "6"
    & skf21("1","5","7","6","7","3","7","1") = "6"
    & skf21("1","5","7","6","7","4","1","1") = "6"
    & skf21("1","5","7","6","7","4","2","1") = "6"
    & skf21("1","5","7","6","7","4","3","1") = "6"
    & skf21("1","5","7","6","7","4","4","1") = "6"
    & skf21("1","5","7","6","7","4","5","1") = "6"
    & skf21("1","5","7","6","7","4","6","1") = "6"
    & skf21("1","5","7","6","7","4","7","1") = "6"
    & skf21("1","5","7","6","7","5","1","1") = "6"
    & skf21("1","5","7","6","7","5","2","1") = "6"
    & skf21("1","5","7","6","7","5","3","1") = "6"
    & skf21("1","5","7","6","7","5","4","1") = "6"
    & skf21("1","5","7","6","7","5","5","1") = "6"
    & skf21("1","5","7","6","7","5","6","1") = "6"
    & skf21("1","5","7","6","7","5","7","1") = "6"
    & skf21("1","5","7","6","7","6","1","1") = "6"
    & skf21("1","5","7","6","7","6","2","1") = "6"
    & skf21("1","5","7","6","7","6","3","1") = "6"
    & skf21("1","5","7","6","7","6","4","1") = "6"
    & skf21("1","5","7","6","7","6","5","1") = "6"
    & skf21("1","5","7","6","7","6","6","1") = "6"
    & skf21("1","5","7","6","7","6","7","1") = "6"
    & skf21("1","5","7","6","7","7","1","1") = "6"
    & skf21("1","5","7","6","7","7","2","1") = "6"
    & skf21("1","5","7","6","7","7","3","1") = "6"
    & skf21("1","5","7","6","7","7","4","1") = "6"
    & skf21("1","5","7","6","7","7","5","1") = "6"
    & skf21("1","5","7","6","7","7","6","1") = "6"
    & skf21("1","5","7","6","7","7","7","1") = "6"
    & skf21("1","5","7","7","1","1","1","1") = "6"
    & skf21("1","5","7","7","1","1","2","1") = "6"
    & skf21("1","5","7","7","1","1","3","1") = "6"
    & skf21("1","5","7","7","1","1","4","1") = "6"
    & skf21("1","5","7","7","1","1","5","1") = "6"
    & skf21("1","5","7","7","1","1","6","1") = "6"
    & skf21("1","5","7","7","1","1","7","1") = "6"
    & skf21("1","5","7","7","1","2","1","1") = "6"
    & skf21("1","5","7","7","1","2","2","1") = "6"
    & skf21("1","5","7","7","1","2","3","1") = "6"
    & skf21("1","5","7","7","1","2","4","1") = "6"
    & skf21("1","5","7","7","1","2","5","1") = "6"
    & skf21("1","5","7","7","1","2","6","1") = "6"
    & skf21("1","5","7","7","1","2","7","1") = "6"
    & skf21("1","5","7","7","1","3","1","1") = "6"
    & skf21("1","5","7","7","1","3","2","1") = "6"
    & skf21("1","5","7","7","1","3","3","1") = "6"
    & skf21("1","5","7","7","1","3","4","1") = "6"
    & skf21("1","5","7","7","1","3","5","1") = "6"
    & skf21("1","5","7","7","1","3","6","1") = "6"
    & skf21("1","5","7","7","1","3","7","1") = "6"
    & skf21("1","5","7","7","1","4","1","1") = "6"
    & skf21("1","5","7","7","1","4","2","1") = "6"
    & skf21("1","5","7","7","1","4","3","1") = "6"
    & skf21("1","5","7","7","1","4","4","1") = "6"
    & skf21("1","5","7","7","1","4","5","1") = "6"
    & skf21("1","5","7","7","1","4","6","1") = "6"
    & skf21("1","5","7","7","1","4","7","1") = "6"
    & skf21("1","5","7","7","1","5","1","1") = "6"
    & skf21("1","5","7","7","1","5","2","1") = "6"
    & skf21("1","5","7","7","1","5","3","1") = "6"
    & skf21("1","5","7","7","1","5","4","1") = "6"
    & skf21("1","5","7","7","1","5","5","1") = "6"
    & skf21("1","5","7","7","1","5","6","1") = "6"
    & skf21("1","5","7","7","1","5","7","1") = "6"
    & skf21("1","5","7","7","1","6","1","1") = "6"
    & skf21("1","5","7","7","1","6","2","1") = "6"
    & skf21("1","5","7","7","1","6","3","1") = "6"
    & skf21("1","5","7","7","1","6","4","1") = "6"
    & skf21("1","5","7","7","1","6","5","1") = "6"
    & skf21("1","5","7","7","1","6","6","1") = "6"
    & skf21("1","5","7","7","1","6","7","1") = "6"
    & skf21("1","5","7","7","1","7","1","1") = "6"
    & skf21("1","5","7","7","1","7","2","1") = "6"
    & skf21("1","5","7","7","1","7","3","1") = "6"
    & skf21("1","5","7","7","1","7","4","1") = "6"
    & skf21("1","5","7","7","1","7","5","1") = "6"
    & skf21("1","5","7","7","1","7","6","1") = "6"
    & skf21("1","5","7","7","1","7","7","1") = "6"
    & skf21("1","5","7","7","2","1","1","1") = "6"
    & skf21("1","5","7","7","2","1","2","1") = "6"
    & skf21("1","5","7","7","2","1","3","1") = "6"
    & skf21("1","5","7","7","2","1","4","1") = "6"
    & skf21("1","5","7","7","2","1","5","1") = "6"
    & skf21("1","5","7","7","2","1","6","1") = "6"
    & skf21("1","5","7","7","2","1","7","1") = "6"
    & skf21("1","5","7","7","2","2","1","1") = "6"
    & skf21("1","5","7","7","2","2","2","1") = "6"
    & skf21("1","5","7","7","2","2","3","1") = "6"
    & skf21("1","5","7","7","2","2","4","1") = "6"
    & skf21("1","5","7","7","2","2","5","1") = "6"
    & skf21("1","5","7","7","2","2","6","1") = "6"
    & skf21("1","5","7","7","2","2","7","1") = "6"
    & skf21("1","5","7","7","2","3","1","1") = "6"
    & skf21("1","5","7","7","2","3","2","1") = "6"
    & skf21("1","5","7","7","2","3","3","1") = "6"
    & skf21("1","5","7","7","2","3","4","1") = "6"
    & skf21("1","5","7","7","2","3","5","1") = "6"
    & skf21("1","5","7","7","2","3","6","1") = "6"
    & skf21("1","5","7","7","2","3","7","1") = "6"
    & skf21("1","5","7","7","2","4","1","1") = "6"
    & skf21("1","5","7","7","2","4","2","1") = "6"
    & skf21("1","5","7","7","2","4","3","1") = "6"
    & skf21("1","5","7","7","2","4","4","1") = "6"
    & skf21("1","5","7","7","2","4","5","1") = "6"
    & skf21("1","5","7","7","2","4","6","1") = "6"
    & skf21("1","5","7","7","2","4","7","1") = "6"
    & skf21("1","5","7","7","2","5","1","1") = "6"
    & skf21("1","5","7","7","2","5","2","1") = "6"
    & skf21("1","5","7","7","2","5","3","1") = "6"
    & skf21("1","5","7","7","2","5","4","1") = "6"
    & skf21("1","5","7","7","2","5","5","1") = "6"
    & skf21("1","5","7","7","2","5","6","1") = "6"
    & skf21("1","5","7","7","2","5","7","1") = "6"
    & skf21("1","5","7","7","2","6","1","1") = "6"
    & skf21("1","5","7","7","2","6","2","1") = "6"
    & skf21("1","5","7","7","2","6","3","1") = "6"
    & skf21("1","5","7","7","2","6","4","1") = "6"
    & skf21("1","5","7","7","2","6","5","1") = "6"
    & skf21("1","5","7","7","2","6","6","1") = "6"
    & skf21("1","5","7","7","2","6","7","1") = "6"
    & skf21("1","5","7","7","2","7","1","1") = "6"
    & skf21("1","5","7","7","2","7","2","1") = "6"
    & skf21("1","5","7","7","2","7","3","1") = "6"
    & skf21("1","5","7","7","2","7","4","1") = "6"
    & skf21("1","5","7","7","2","7","5","1") = "6"
    & skf21("1","5","7","7","2","7","6","1") = "6"
    & skf21("1","5","7","7","2","7","7","1") = "6"
    & skf21("1","5","7","7","3","1","1","1") = "6"
    & skf21("1","5","7","7","3","1","2","1") = "6"
    & skf21("1","5","7","7","3","1","3","1") = "6"
    & skf21("1","5","7","7","3","1","4","1") = "6"
    & skf21("1","5","7","7","3","1","5","1") = "6"
    & skf21("1","5","7","7","3","1","6","1") = "6"
    & skf21("1","5","7","7","3","1","7","1") = "6"
    & skf21("1","5","7","7","3","2","1","1") = "6"
    & skf21("1","5","7","7","3","2","2","1") = "6"
    & skf21("1","5","7","7","3","2","3","1") = "6"
    & skf21("1","5","7","7","3","2","4","1") = "6"
    & skf21("1","5","7","7","3","2","5","1") = "6"
    & skf21("1","5","7","7","3","2","6","1") = "6"
    & skf21("1","5","7","7","3","2","7","1") = "6"
    & skf21("1","5","7","7","3","3","1","1") = "6"
    & skf21("1","5","7","7","3","3","2","1") = "6"
    & skf21("1","5","7","7","3","3","3","1") = "6"
    & skf21("1","5","7","7","3","3","4","1") = "6"
    & skf21("1","5","7","7","3","3","5","1") = "6"
    & skf21("1","5","7","7","3","3","6","1") = "6"
    & skf21("1","5","7","7","3","3","7","1") = "6"
    & skf21("1","5","7","7","3","4","1","1") = "6"
    & skf21("1","5","7","7","3","4","2","1") = "6"
    & skf21("1","5","7","7","3","4","3","1") = "6"
    & skf21("1","5","7","7","3","4","4","1") = "6"
    & skf21("1","5","7","7","3","4","5","1") = "6"
    & skf21("1","5","7","7","3","4","6","1") = "6"
    & skf21("1","5","7","7","3","4","7","1") = "6"
    & skf21("1","5","7","7","3","5","1","1") = "6"
    & skf21("1","5","7","7","3","5","2","1") = "6"
    & skf21("1","5","7","7","3","5","3","1") = "6"
    & skf21("1","5","7","7","3","5","4","1") = "6"
    & skf21("1","5","7","7","3","5","5","1") = "6"
    & skf21("1","5","7","7","3","5","6","1") = "6"
    & skf21("1","5","7","7","3","5","7","1") = "6"
    & skf21("1","5","7","7","3","6","1","1") = "6"
    & skf21("1","5","7","7","3","6","2","1") = "6"
    & skf21("1","5","7","7","3","6","3","1") = "6"
    & skf21("1","5","7","7","3","6","4","1") = "6"
    & skf21("1","5","7","7","3","6","5","1") = "6"
    & skf21("1","5","7","7","3","6","6","1") = "6"
    & skf21("1","5","7","7","3","6","7","1") = "6"
    & skf21("1","5","7","7","3","7","1","1") = "6"
    & skf21("1","5","7","7","3","7","2","1") = "6"
    & skf21("1","5","7","7","3","7","3","1") = "6"
    & skf21("1","5","7","7","3","7","4","1") = "6"
    & skf21("1","5","7","7","3","7","5","1") = "6"
    & skf21("1","5","7","7","3","7","6","1") = "6"
    & skf21("1","5","7","7","3","7","7","1") = "6"
    & skf21("1","5","7","7","4","1","1","1") = "6"
    & skf21("1","5","7","7","4","1","2","1") = "6"
    & skf21("1","5","7","7","4","1","3","1") = "6"
    & skf21("1","5","7","7","4","1","4","1") = "6"
    & skf21("1","5","7","7","4","1","5","1") = "6"
    & skf21("1","5","7","7","4","1","6","1") = "6"
    & skf21("1","5","7","7","4","1","7","1") = "6"
    & skf21("1","5","7","7","4","2","1","1") = "6"
    & skf21("1","5","7","7","4","2","2","1") = "6"
    & skf21("1","5","7","7","4","2","3","1") = "6"
    & skf21("1","5","7","7","4","2","4","1") = "6"
    & skf21("1","5","7","7","4","2","5","1") = "6"
    & skf21("1","5","7","7","4","2","6","1") = "6"
    & skf21("1","5","7","7","4","2","7","1") = "6"
    & skf21("1","5","7","7","4","3","1","1") = "6"
    & skf21("1","5","7","7","4","3","2","1") = "6"
    & skf21("1","5","7","7","4","3","3","1") = "6"
    & skf21("1","5","7","7","4","3","4","1") = "6"
    & skf21("1","5","7","7","4","3","5","1") = "6"
    & skf21("1","5","7","7","4","3","6","1") = "6"
    & skf21("1","5","7","7","4","3","7","1") = "6"
    & skf21("1","5","7","7","4","4","1","1") = "6"
    & skf21("1","5","7","7","4","4","2","1") = "6"
    & skf21("1","5","7","7","4","4","3","1") = "6"
    & skf21("1","5","7","7","4","4","4","1") = "6"
    & skf21("1","5","7","7","4","4","5","1") = "6"
    & skf21("1","5","7","7","4","4","6","1") = "6"
    & skf21("1","5","7","7","4","4","7","1") = "6"
    & skf21("1","5","7","7","4","5","1","1") = "6"
    & skf21("1","5","7","7","4","5","2","1") = "6"
    & skf21("1","5","7","7","4","5","3","1") = "6"
    & skf21("1","5","7","7","4","5","4","1") = "6"
    & skf21("1","5","7","7","4","5","5","1") = "6"
    & skf21("1","5","7","7","4","5","6","1") = "6"
    & skf21("1","5","7","7","4","5","7","1") = "6"
    & skf21("1","5","7","7","4","6","1","1") = "6"
    & skf21("1","5","7","7","4","6","2","1") = "6"
    & skf21("1","5","7","7","4","6","3","1") = "6"
    & skf21("1","5","7","7","4","6","4","1") = "6"
    & skf21("1","5","7","7","4","6","5","1") = "6"
    & skf21("1","5","7","7","4","6","6","1") = "6"
    & skf21("1","5","7","7","4","6","7","1") = "6"
    & skf21("1","5","7","7","4","7","1","1") = "6"
    & skf21("1","5","7","7","4","7","2","1") = "6"
    & skf21("1","5","7","7","4","7","3","1") = "6"
    & skf21("1","5","7","7","4","7","4","1") = "6"
    & skf21("1","5","7","7","4","7","5","1") = "6"
    & skf21("1","5","7","7","4","7","6","1") = "6"
    & skf21("1","5","7","7","4","7","7","1") = "6"
    & skf21("1","5","7","7","5","1","1","1") = "6"
    & skf21("1","5","7","7","5","1","2","1") = "6"
    & skf21("1","5","7","7","5","1","3","1") = "6"
    & skf21("1","5","7","7","5","1","4","1") = "6"
    & skf21("1","5","7","7","5","1","5","1") = "6"
    & skf21("1","5","7","7","5","1","6","1") = "6"
    & skf21("1","5","7","7","5","1","7","1") = "6"
    & skf21("1","5","7","7","5","2","1","1") = "6"
    & skf21("1","5","7","7","5","2","2","1") = "6"
    & skf21("1","5","7","7","5","2","3","1") = "6"
    & skf21("1","5","7","7","5","2","4","1") = "6"
    & skf21("1","5","7","7","5","2","5","1") = "6"
    & skf21("1","5","7","7","5","2","6","1") = "6"
    & skf21("1","5","7","7","5","2","7","1") = "6"
    & skf21("1","5","7","7","5","3","1","1") = "6"
    & skf21("1","5","7","7","5","3","2","1") = "6"
    & skf21("1","5","7","7","5","3","3","1") = "6"
    & skf21("1","5","7","7","5","3","4","1") = "6"
    & skf21("1","5","7","7","5","3","5","1") = "6"
    & skf21("1","5","7","7","5","3","6","1") = "6"
    & skf21("1","5","7","7","5","3","7","1") = "6"
    & skf21("1","5","7","7","5","4","1","1") = "6"
    & skf21("1","5","7","7","5","4","2","1") = "6"
    & skf21("1","5","7","7","5","4","3","1") = "6"
    & skf21("1","5","7","7","5","4","4","1") = "6"
    & skf21("1","5","7","7","5","4","5","1") = "6"
    & skf21("1","5","7","7","5","4","6","1") = "6"
    & skf21("1","5","7","7","5","4","7","1") = "6"
    & skf21("1","5","7","7","5","5","1","1") = "6"
    & skf21("1","5","7","7","5","5","2","1") = "6"
    & skf21("1","5","7","7","5","5","3","1") = "6"
    & skf21("1","5","7","7","5","5","4","1") = "6"
    & skf21("1","5","7","7","5","5","5","1") = "6"
    & skf21("1","5","7","7","5","5","6","1") = "6"
    & skf21("1","5","7","7","5","5","7","1") = "6"
    & skf21("1","5","7","7","5","6","1","1") = "6"
    & skf21("1","5","7","7","5","6","2","1") = "6"
    & skf21("1","5","7","7","5","6","3","1") = "6"
    & skf21("1","5","7","7","5","6","4","1") = "6"
    & skf21("1","5","7","7","5","6","5","1") = "6"
    & skf21("1","5","7","7","5","6","6","1") = "6"
    & skf21("1","5","7","7","5","6","7","1") = "6"
    & skf21("1","5","7","7","5","7","1","1") = "6"
    & skf21("1","5","7","7","5","7","2","1") = "6"
    & skf21("1","5","7","7","5","7","3","1") = "6"
    & skf21("1","5","7","7","5","7","4","1") = "6"
    & skf21("1","5","7","7","5","7","5","1") = "6"
    & skf21("1","5","7","7","5","7","6","1") = "6"
    & skf21("1","5","7","7","5","7","7","1") = "6"
    & skf21("1","5","7","7","6","1","1","1") = "6"
    & skf21("1","5","7","7","6","1","2","1") = "6"
    & skf21("1","5","7","7","6","1","3","1") = "6"
    & skf21("1","5","7","7","6","1","4","1") = "6"
    & skf21("1","5","7","7","6","1","5","1") = "6"
    & skf21("1","5","7","7","6","1","6","1") = "6"
    & skf21("1","5","7","7","6","1","7","1") = "6"
    & skf21("1","5","7","7","6","2","1","1") = "6"
    & skf21("1","5","7","7","6","2","2","1") = "6"
    & skf21("1","5","7","7","6","2","3","1") = "6"
    & skf21("1","5","7","7","6","2","4","1") = "6"
    & skf21("1","5","7","7","6","2","5","1") = "6"
    & skf21("1","5","7","7","6","2","6","1") = "6"
    & skf21("1","5","7","7","6","2","7","1") = "6"
    & skf21("1","5","7","7","6","3","1","1") = "6"
    & skf21("1","5","7","7","6","3","2","1") = "6"
    & skf21("1","5","7","7","6","3","3","1") = "6"
    & skf21("1","5","7","7","6","3","4","1") = "6"
    & skf21("1","5","7","7","6","3","5","1") = "6"
    & skf21("1","5","7","7","6","3","6","1") = "6"
    & skf21("1","5","7","7","6","3","7","1") = "6"
    & skf21("1","5","7","7","6","4","1","1") = "6"
    & skf21("1","5","7","7","6","4","2","1") = "6"
    & skf21("1","5","7","7","6","4","3","1") = "6"
    & skf21("1","5","7","7","6","4","4","1") = "6"
    & skf21("1","5","7","7","6","4","5","1") = "6"
    & skf21("1","5","7","7","6","4","6","1") = "6"
    & skf21("1","5","7","7","6","4","7","1") = "6"
    & skf21("1","5","7","7","6","5","1","1") = "6"
    & skf21("1","5","7","7","6","5","2","1") = "6"
    & skf21("1","5","7","7","6","5","3","1") = "6"
    & skf21("1","5","7","7","6","5","4","1") = "6"
    & skf21("1","5","7","7","6","5","5","1") = "6"
    & skf21("1","5","7","7","6","5","6","1") = "6"
    & skf21("1","5","7","7","6","5","7","1") = "6"
    & skf21("1","5","7","7","6","6","1","1") = "6"
    & skf21("1","5","7","7","6","6","2","1") = "6"
    & skf21("1","5","7","7","6","6","3","1") = "6"
    & skf21("1","5","7","7","6","6","4","1") = "6"
    & skf21("1","5","7","7","6","6","5","1") = "6"
    & skf21("1","5","7","7","6","6","6","1") = "6"
    & skf21("1","5","7","7","6","6","7","1") = "6"
    & skf21("1","5","7","7","6","7","1","1") = "6"
    & skf21("1","5","7","7","6","7","2","1") = "6"
    & skf21("1","5","7","7","6","7","3","1") = "6"
    & skf21("1","5","7","7","6","7","4","1") = "6"
    & skf21("1","5","7","7","6","7","5","1") = "6"
    & skf21("1","5","7","7","6","7","6","1") = "6"
    & skf21("1","5","7","7","6","7","7","1") = "6"
    & skf21("1","5","7","7","7","1","1","1") = "6"
    & skf21("1","5","7","7","7","1","2","1") = "6"
    & skf21("1","5","7","7","7","1","3","1") = "6"
    & skf21("1","5","7","7","7","1","4","1") = "6"
    & skf21("1","5","7","7","7","1","5","1") = "6"
    & skf21("1","5","7","7","7","1","6","1") = "6"
    & skf21("1","5","7","7","7","1","7","1") = "6"
    & skf21("1","5","7","7","7","2","1","1") = "6"
    & skf21("1","5","7","7","7","2","2","1") = "6"
    & skf21("1","5","7","7","7","2","3","1") = "6"
    & skf21("1","5","7","7","7","2","4","1") = "6"
    & skf21("1","5","7","7","7","2","5","1") = "6"
    & skf21("1","5","7","7","7","2","6","1") = "6"
    & skf21("1","5","7","7","7","2","7","1") = "6"
    & skf21("1","5","7","7","7","3","1","1") = "6"
    & skf21("1","5","7","7","7","3","2","1") = "6"
    & skf21("1","5","7","7","7","3","3","1") = "6"
    & skf21("1","5","7","7","7","3","4","1") = "6"
    & skf21("1","5","7","7","7","3","5","1") = "6"
    & skf21("1","5","7","7","7","3","6","1") = "6"
    & skf21("1","5","7","7","7","3","7","1") = "6"
    & skf21("1","5","7","7","7","4","1","1") = "6"
    & skf21("1","5","7","7","7","4","2","1") = "6"
    & skf21("1","5","7","7","7","4","3","1") = "6"
    & skf21("1","5","7","7","7","4","4","1") = "6"
    & skf21("1","5","7","7","7","4","5","1") = "6"
    & skf21("1","5","7","7","7","4","6","1") = "6"
    & skf21("1","5","7","7","7","4","7","1") = "6"
    & skf21("1","5","7","7","7","5","1","1") = "6"
    & skf21("1","5","7","7","7","5","2","1") = "6"
    & skf21("1","5","7","7","7","5","3","1") = "6"
    & skf21("1","5","7","7","7","5","4","1") = "6"
    & skf21("1","5","7","7","7","5","5","1") = "6"
    & skf21("1","5","7","7","7","5","6","1") = "6"
    & skf21("1","5","7","7","7","5","7","1") = "6"
    & skf21("1","5","7","7","7","6","1","1") = "6"
    & skf21("1","5","7","7","7","6","2","1") = "6"
    & skf21("1","5","7","7","7","6","3","1") = "6"
    & skf21("1","5","7","7","7","6","4","1") = "6"
    & skf21("1","5","7","7","7","6","5","1") = "6"
    & skf21("1","5","7","7","7","6","6","1") = "6"
    & skf21("1","5","7","7","7","6","7","1") = "6"
    & skf21("1","5","7","7","7","7","1","1") = "6"
    & skf21("1","5","7","7","7","7","2","1") = "6"
    & skf21("1","5","7","7","7","7","3","1") = "6"
    & skf21("1","5","7","7","7","7","4","1") = "6"
    & skf21("1","5","7","7","7","7","5","1") = "6"
    & skf21("1","5","7","7","7","7","6","1") = "6"
    & skf21("1","5","7","7","7","7","7","1") = "6"
    & skf21("1","6","1","1","1","1","1","1") = "5"
    & skf21("1","6","1","1","1","1","2","1") = "5"
    & skf21("1","6","1","1","1","1","3","1") = "5"
    & skf21("1","6","1","1","1","1","4","1") = "5"
    & skf21("1","6","1","1","1","1","5","1") = "5"
    & skf21("1","6","1","1","1","1","6","1") = "5"
    & skf21("1","6","1","1","1","1","7","1") = "6"
    & skf21("1","6","1","1","1","2","1","1") = "5"
    & skf21("1","6","1","1","1","2","2","1") = "5"
    & skf21("1","6","1","1","1","2","3","1") = "5"
    & skf21("1","6","1","1","1","2","4","1") = "5"
    & skf21("1","6","1","1","1","2","5","1") = "5"
    & skf21("1","6","1","1","1","2","6","1") = "5"
    & skf21("1","6","1","1","1","2","7","1") = "6"
    & skf21("1","6","1","1","1","3","1","1") = "5"
    & skf21("1","6","1","1","1","3","2","1") = "5"
    & skf21("1","6","1","1","1","3","3","1") = "5"
    & skf21("1","6","1","1","1","3","4","1") = "5"
    & skf21("1","6","1","1","1","3","5","1") = "5"
    & skf21("1","6","1","1","1","3","6","1") = "5"
    & skf21("1","6","1","1","1","3","7","1") = "6"
    & skf21("1","6","1","1","1","4","1","1") = "5"
    & skf21("1","6","1","1","1","4","2","1") = "5"
    & skf21("1","6","1","1","1","4","3","1") = "5"
    & skf21("1","6","1","1","1","4","4","1") = "5"
    & skf21("1","6","1","1","1","4","5","1") = "5"
    & skf21("1","6","1","1","1","4","6","1") = "5"
    & skf21("1","6","1","1","1","4","7","1") = "6"
    & skf21("1","6","1","1","1","5","1","1") = "5"
    & skf21("1","6","1","1","1","5","2","1") = "5"
    & skf21("1","6","1","1","1","5","3","1") = "5"
    & skf21("1","6","1","1","1","5","4","1") = "5"
    & skf21("1","6","1","1","1","5","5","1") = "5"
    & skf21("1","6","1","1","1","5","6","1") = "5"
    & skf21("1","6","1","1","1","5","7","1") = "6"
    & skf21("1","6","1","1","1","6","1","1") = "5"
    & skf21("1","6","1","1","1","6","2","1") = "5"
    & skf21("1","6","1","1","1","6","3","1") = "5"
    & skf21("1","6","1","1","1","6","4","1") = "5"
    & skf21("1","6","1","1","1","6","5","1") = "5"
    & skf21("1","6","1","1","1","6","6","1") = "5"
    & skf21("1","6","1","1","1","6","7","1") = "6"
    & skf21("1","6","1","1","1","7","1","1") = "6"
    & skf21("1","6","1","1","1","7","2","1") = "6"
    & skf21("1","6","1","1","1","7","3","1") = "6"
    & skf21("1","6","1","1","1","7","4","1") = "6"
    & skf21("1","6","1","1","1","7","5","1") = "6"
    & skf21("1","6","1","1","1","7","6","1") = "6"
    & skf21("1","6","1","1","1","7","7","1") = "6"
    & skf21("1","6","1","1","2","1","1","1") = "5"
    & skf21("1","6","1","1","2","1","2","1") = "5"
    & skf21("1","6","1","1","2","1","3","1") = "5"
    & skf21("1","6","1","1","2","1","4","1") = "5"
    & skf21("1","6","1","1","2","1","5","1") = "5"
    & skf21("1","6","1","1","2","1","6","1") = "5"
    & skf21("1","6","1","1","2","1","7","1") = "6"
    & skf21("1","6","1","1","2","2","1","1") = "5"
    & skf21("1","6","1","1","2","2","2","1") = "5"
    & skf21("1","6","1","1","2","2","3","1") = "5"
    & skf21("1","6","1","1","2","2","4","1") = "5"
    & skf21("1","6","1","1","2","2","5","1") = "5"
    & skf21("1","6","1","1","2","2","6","1") = "5"
    & skf21("1","6","1","1","2","2","7","1") = "6"
    & skf21("1","6","1","1","2","3","1","1") = "5"
    & skf21("1","6","1","1","2","3","2","1") = "5"
    & skf21("1","6","1","1","2","3","3","1") = "5"
    & skf21("1","6","1","1","2","3","4","1") = "5"
    & skf21("1","6","1","1","2","3","5","1") = "5"
    & skf21("1","6","1","1","2","3","6","1") = "5"
    & skf21("1","6","1","1","2","3","7","1") = "6"
    & skf21("1","6","1","1","2","4","1","1") = "5"
    & skf21("1","6","1","1","2","4","2","1") = "5"
    & skf21("1","6","1","1","2","4","3","1") = "5"
    & skf21("1","6","1","1","2","4","4","1") = "5"
    & skf21("1","6","1","1","2","4","5","1") = "5"
    & skf21("1","6","1","1","2","4","6","1") = "5"
    & skf21("1","6","1","1","2","4","7","1") = "6"
    & skf21("1","6","1","1","2","5","1","1") = "5"
    & skf21("1","6","1","1","2","5","2","1") = "5"
    & skf21("1","6","1","1","2","5","3","1") = "5"
    & skf21("1","6","1","1","2","5","4","1") = "5"
    & skf21("1","6","1","1","2","5","5","1") = "5"
    & skf21("1","6","1","1","2","5","6","1") = "5"
    & skf21("1","6","1","1","2","5","7","1") = "6"
    & skf21("1","6","1","1","2","6","1","1") = "5"
    & skf21("1","6","1","1","2","6","2","1") = "5"
    & skf21("1","6","1","1","2","6","3","1") = "5"
    & skf21("1","6","1","1","2","6","4","1") = "5"
    & skf21("1","6","1","1","2","6","5","1") = "5"
    & skf21("1","6","1","1","2","6","6","1") = "5"
    & skf21("1","6","1","1","2","6","7","1") = "6"
    & skf21("1","6","1","1","2","7","1","1") = "6"
    & skf21("1","6","1","1","2","7","2","1") = "6"
    & skf21("1","6","1","1","2","7","3","1") = "6"
    & skf21("1","6","1","1","2","7","4","1") = "6"
    & skf21("1","6","1","1","2","7","5","1") = "6"
    & skf21("1","6","1","1","2","7","6","1") = "6"
    & skf21("1","6","1","1","2","7","7","1") = "6"
    & skf21("1","6","1","1","3","1","1","1") = "5"
    & skf21("1","6","1","1","3","1","2","1") = "5"
    & skf21("1","6","1","1","3","1","3","1") = "5"
    & skf21("1","6","1","1","3","1","4","1") = "5"
    & skf21("1","6","1","1","3","1","5","1") = "5"
    & skf21("1","6","1","1","3","1","6","1") = "5"
    & skf21("1","6","1","1","3","1","7","1") = "6"
    & skf21("1","6","1","1","3","2","1","1") = "5"
    & skf21("1","6","1","1","3","2","2","1") = "5"
    & skf21("1","6","1","1","3","2","3","1") = "5"
    & skf21("1","6","1","1","3","2","4","1") = "5"
    & skf21("1","6","1","1","3","2","5","1") = "5"
    & skf21("1","6","1","1","3","2","6","1") = "5"
    & skf21("1","6","1","1","3","2","7","1") = "6"
    & skf21("1","6","1","1","3","3","1","1") = "5"
    & skf21("1","6","1","1","3","3","2","1") = "5"
    & skf21("1","6","1","1","3","3","3","1") = "5"
    & skf21("1","6","1","1","3","3","4","1") = "5"
    & skf21("1","6","1","1","3","3","5","1") = "5"
    & skf21("1","6","1","1","3","3","6","1") = "5"
    & skf21("1","6","1","1","3","3","7","1") = "6"
    & skf21("1","6","1","1","3","4","1","1") = "5"
    & skf21("1","6","1","1","3","4","2","1") = "5"
    & skf21("1","6","1","1","3","4","3","1") = "5"
    & skf21("1","6","1","1","3","4","4","1") = "5"
    & skf21("1","6","1","1","3","4","5","1") = "5"
    & skf21("1","6","1","1","3","4","6","1") = "5"
    & skf21("1","6","1","1","3","4","7","1") = "6"
    & skf21("1","6","1","1","3","5","1","1") = "5"
    & skf21("1","6","1","1","3","5","2","1") = "5"
    & skf21("1","6","1","1","3","5","3","1") = "5"
    & skf21("1","6","1","1","3","5","4","1") = "5"
    & skf21("1","6","1","1","3","5","5","1") = "5"
    & skf21("1","6","1","1","3","5","6","1") = "5"
    & skf21("1","6","1","1","3","5","7","1") = "6"
    & skf21("1","6","1","1","3","6","1","1") = "5"
    & skf21("1","6","1","1","3","6","2","1") = "5"
    & skf21("1","6","1","1","3","6","3","1") = "5"
    & skf21("1","6","1","1","3","6","4","1") = "5"
    & skf21("1","6","1","1","3","6","5","1") = "5"
    & skf21("1","6","1","1","3","6","6","1") = "5"
    & skf21("1","6","1","1","3","6","7","1") = "6"
    & skf21("1","6","1","1","3","7","1","1") = "6"
    & skf21("1","6","1","1","3","7","2","1") = "6"
    & skf21("1","6","1","1","3","7","3","1") = "6"
    & skf21("1","6","1","1","3","7","4","1") = "6"
    & skf21("1","6","1","1","3","7","5","1") = "6"
    & skf21("1","6","1","1","3","7","6","1") = "6"
    & skf21("1","6","1","1","3","7","7","1") = "6"
    & skf21("1","6","1","1","4","1","1","1") = "5"
    & skf21("1","6","1","1","4","1","2","1") = "5"
    & skf21("1","6","1","1","4","1","3","1") = "5"
    & skf21("1","6","1","1","4","1","4","1") = "5"
    & skf21("1","6","1","1","4","1","5","1") = "5"
    & skf21("1","6","1","1","4","1","6","1") = "5"
    & skf21("1","6","1","1","4","1","7","1") = "6"
    & skf21("1","6","1","1","4","2","1","1") = "5"
    & skf21("1","6","1","1","4","2","2","1") = "5"
    & skf21("1","6","1","1","4","2","3","1") = "5"
    & skf21("1","6","1","1","4","2","4","1") = "5"
    & skf21("1","6","1","1","4","2","5","1") = "5"
    & skf21("1","6","1","1","4","2","6","1") = "5"
    & skf21("1","6","1","1","4","2","7","1") = "6"
    & skf21("1","6","1","1","4","3","1","1") = "5"
    & skf21("1","6","1","1","4","3","2","1") = "5"
    & skf21("1","6","1","1","4","3","3","1") = "5"
    & skf21("1","6","1","1","4","3","4","1") = "5"
    & skf21("1","6","1","1","4","3","5","1") = "5"
    & skf21("1","6","1","1","4","3","6","1") = "5"
    & skf21("1","6","1","1","4","3","7","1") = "6"
    & skf21("1","6","1","1","4","4","1","1") = "5"
    & skf21("1","6","1","1","4","4","2","1") = "5"
    & skf21("1","6","1","1","4","4","3","1") = "5"
    & skf21("1","6","1","1","4","4","4","1") = "5"
    & skf21("1","6","1","1","4","4","5","1") = "5"
    & skf21("1","6","1","1","4","4","6","1") = "5"
    & skf21("1","6","1","1","4","4","7","1") = "6"
    & skf21("1","6","1","1","4","5","1","1") = "5"
    & skf21("1","6","1","1","4","5","2","1") = "5"
    & skf21("1","6","1","1","4","5","3","1") = "5"
    & skf21("1","6","1","1","4","5","4","1") = "5"
    & skf21("1","6","1","1","4","5","5","1") = "5"
    & skf21("1","6","1","1","4","5","6","1") = "5"
    & skf21("1","6","1","1","4","5","7","1") = "6"
    & skf21("1","6","1","1","4","6","1","1") = "5"
    & skf21("1","6","1","1","4","6","2","1") = "5"
    & skf21("1","6","1","1","4","6","3","1") = "5"
    & skf21("1","6","1","1","4","6","4","1") = "5"
    & skf21("1","6","1","1","4","6","5","1") = "5"
    & skf21("1","6","1","1","4","6","6","1") = "5"
    & skf21("1","6","1","1","4","6","7","1") = "6"
    & skf21("1","6","1","1","4","7","1","1") = "6"
    & skf21("1","6","1","1","4","7","2","1") = "6"
    & skf21("1","6","1","1","4","7","3","1") = "6"
    & skf21("1","6","1","1","4","7","4","1") = "6"
    & skf21("1","6","1","1","4","7","5","1") = "6"
    & skf21("1","6","1","1","4","7","6","1") = "6"
    & skf21("1","6","1","1","4","7","7","1") = "6"
    & skf21("1","6","1","1","5","1","1","1") = "5"
    & skf21("1","6","1","1","5","1","2","1") = "5"
    & skf21("1","6","1","1","5","1","3","1") = "5"
    & skf21("1","6","1","1","5","1","4","1") = "5"
    & skf21("1","6","1","1","5","1","5","1") = "5"
    & skf21("1","6","1","1","5","1","6","1") = "5"
    & skf21("1","6","1","1","5","1","7","1") = "6"
    & skf21("1","6","1","1","5","2","1","1") = "5"
    & skf21("1","6","1","1","5","2","2","1") = "5"
    & skf21("1","6","1","1","5","2","3","1") = "5"
    & skf21("1","6","1","1","5","2","4","1") = "5"
    & skf21("1","6","1","1","5","2","5","1") = "5"
    & skf21("1","6","1","1","5","2","6","1") = "5"
    & skf21("1","6","1","1","5","2","7","1") = "6"
    & skf21("1","6","1","1","5","3","1","1") = "5"
    & skf21("1","6","1","1","5","3","2","1") = "5"
    & skf21("1","6","1","1","5","3","3","1") = "5"
    & skf21("1","6","1","1","5","3","4","1") = "5"
    & skf21("1","6","1","1","5","3","5","1") = "5"
    & skf21("1","6","1","1","5","3","6","1") = "5"
    & skf21("1","6","1","1","5","3","7","1") = "6"
    & skf21("1","6","1","1","5","4","1","1") = "5"
    & skf21("1","6","1","1","5","4","2","1") = "5"
    & skf21("1","6","1","1","5","4","3","1") = "5"
    & skf21("1","6","1","1","5","4","4","1") = "5"
    & skf21("1","6","1","1","5","4","5","1") = "5"
    & skf21("1","6","1","1","5","4","6","1") = "5"
    & skf21("1","6","1","1","5","4","7","1") = "6"
    & skf21("1","6","1","1","5","5","1","1") = "5"
    & skf21("1","6","1","1","5","5","2","1") = "5"
    & skf21("1","6","1","1","5","5","3","1") = "5"
    & skf21("1","6","1","1","5","5","4","1") = "5"
    & skf21("1","6","1","1","5","5","5","1") = "5"
    & skf21("1","6","1","1","5","5","6","1") = "5"
    & skf21("1","6","1","1","5","5","7","1") = "6"
    & skf21("1","6","1","1","5","6","1","1") = "5"
    & skf21("1","6","1","1","5","6","2","1") = "5"
    & skf21("1","6","1","1","5","6","3","1") = "5"
    & skf21("1","6","1","1","5","6","4","1") = "5"
    & skf21("1","6","1","1","5","6","5","1") = "5"
    & skf21("1","6","1","1","5","6","6","1") = "5"
    & skf21("1","6","1","1","5","6","7","1") = "6"
    & skf21("1","6","1","1","5","7","1","1") = "6"
    & skf21("1","6","1","1","5","7","2","1") = "6"
    & skf21("1","6","1","1","5","7","3","1") = "6"
    & skf21("1","6","1","1","5","7","4","1") = "6"
    & skf21("1","6","1","1","5","7","5","1") = "6"
    & skf21("1","6","1","1","5","7","6","1") = "6"
    & skf21("1","6","1","1","5","7","7","1") = "6"
    & skf21("1","6","1","1","6","1","1","1") = "5"
    & skf21("1","6","1","1","6","1","2","1") = "5"
    & skf21("1","6","1","1","6","1","3","1") = "5"
    & skf21("1","6","1","1","6","1","4","1") = "5"
    & skf21("1","6","1","1","6","1","5","1") = "5"
    & skf21("1","6","1","1","6","1","6","1") = "5"
    & skf21("1","6","1","1","6","1","7","1") = "6"
    & skf21("1","6","1","1","6","2","1","1") = "5"
    & skf21("1","6","1","1","6","2","2","1") = "5"
    & skf21("1","6","1","1","6","2","3","1") = "5"
    & skf21("1","6","1","1","6","2","4","1") = "5"
    & skf21("1","6","1","1","6","2","5","1") = "5"
    & skf21("1","6","1","1","6","2","6","1") = "5"
    & skf21("1","6","1","1","6","2","7","1") = "6"
    & skf21("1","6","1","1","6","3","1","1") = "5"
    & skf21("1","6","1","1","6","3","2","1") = "5"
    & skf21("1","6","1","1","6","3","3","1") = "5"
    & skf21("1","6","1","1","6","3","4","1") = "5"
    & skf21("1","6","1","1","6","3","5","1") = "5"
    & skf21("1","6","1","1","6","3","6","1") = "5"
    & skf21("1","6","1","1","6","3","7","1") = "6"
    & skf21("1","6","1","1","6","4","1","1") = "5"
    & skf21("1","6","1","1","6","4","2","1") = "5"
    & skf21("1","6","1","1","6","4","3","1") = "5"
    & skf21("1","6","1","1","6","4","4","1") = "5"
    & skf21("1","6","1","1","6","4","5","1") = "5"
    & skf21("1","6","1","1","6","4","6","1") = "5"
    & skf21("1","6","1","1","6","4","7","1") = "6"
    & skf21("1","6","1","1","6","5","1","1") = "5"
    & skf21("1","6","1","1","6","5","2","1") = "5"
    & skf21("1","6","1","1","6","5","3","1") = "5"
    & skf21("1","6","1","1","6","5","4","1") = "5"
    & skf21("1","6","1","1","6","5","5","1") = "5"
    & skf21("1","6","1","1","6","5","6","1") = "5"
    & skf21("1","6","1","1","6","5","7","1") = "6"
    & skf21("1","6","1","1","6","6","1","1") = "5"
    & skf21("1","6","1","1","6","6","2","1") = "5"
    & skf21("1","6","1","1","6","6","3","1") = "5"
    & skf21("1","6","1","1","6","6","4","1") = "5"
    & skf21("1","6","1","1","6","6","5","1") = "5"
    & skf21("1","6","1","1","6","6","6","1") = "5"
    & skf21("1","6","1","1","6","6","7","1") = "6"
    & skf21("1","6","1","1","6","7","1","1") = "6"
    & skf21("1","6","1","1","6","7","2","1") = "6"
    & skf21("1","6","1","1","6","7","3","1") = "6"
    & skf21("1","6","1","1","6","7","4","1") = "6"
    & skf21("1","6","1","1","6","7","5","1") = "6"
    & skf21("1","6","1","1","6","7","6","1") = "6"
    & skf21("1","6","1","1","6","7","7","1") = "6"
    & skf21("1","6","1","1","7","1","1","1") = "6"
    & skf21("1","6","1","1","7","1","2","1") = "6"
    & skf21("1","6","1","1","7","1","3","1") = "6"
    & skf21("1","6","1","1","7","1","4","1") = "6"
    & skf21("1","6","1","1","7","1","5","1") = "6"
    & skf21("1","6","1","1","7","1","6","1") = "6"
    & skf21("1","6","1","1","7","1","7","1") = "6"
    & skf21("1","6","1","1","7","2","1","1") = "6"
    & skf21("1","6","1","1","7","2","2","1") = "6"
    & skf21("1","6","1","1","7","2","3","1") = "6"
    & skf21("1","6","1","1","7","2","4","1") = "6"
    & skf21("1","6","1","1","7","2","5","1") = "6"
    & skf21("1","6","1","1","7","2","6","1") = "6"
    & skf21("1","6","1","1","7","2","7","1") = "6"
    & skf21("1","6","1","1","7","3","1","1") = "6"
    & skf21("1","6","1","1","7","3","2","1") = "6"
    & skf21("1","6","1","1","7","3","3","1") = "6"
    & skf21("1","6","1","1","7","3","4","1") = "6"
    & skf21("1","6","1","1","7","3","5","1") = "6"
    & skf21("1","6","1","1","7","3","6","1") = "6"
    & skf21("1","6","1","1","7","3","7","1") = "6"
    & skf21("1","6","1","1","7","4","1","1") = "6"
    & skf21("1","6","1","1","7","4","2","1") = "6"
    & skf21("1","6","1","1","7","4","3","1") = "6"
    & skf21("1","6","1","1","7","4","4","1") = "6"
    & skf21("1","6","1","1","7","4","5","1") = "6"
    & skf21("1","6","1","1","7","4","6","1") = "6"
    & skf21("1","6","1","1","7","4","7","1") = "6"
    & skf21("1","6","1","1","7","5","1","1") = "6"
    & skf21("1","6","1","1","7","5","2","1") = "6"
    & skf21("1","6","1","1","7","5","3","1") = "6"
    & skf21("1","6","1","1","7","5","4","1") = "6"
    & skf21("1","6","1","1","7","5","5","1") = "6"
    & skf21("1","6","1","1","7","5","6","1") = "6"
    & skf21("1","6","1","1","7","5","7","1") = "6"
    & skf21("1","6","1","1","7","6","1","1") = "6"
    & skf21("1","6","1","1","7","6","2","1") = "6"
    & skf21("1","6","1","1","7","6","3","1") = "6"
    & skf21("1","6","1","1","7","6","4","1") = "6"
    & skf21("1","6","1","1","7","6","5","1") = "6"
    & skf21("1","6","1","1","7","6","6","1") = "6"
    & skf21("1","6","1","1","7","6","7","1") = "6"
    & skf21("1","6","1","1","7","7","1","1") = "6"
    & skf21("1","6","1","1","7","7","2","1") = "6"
    & skf21("1","6","1","1","7","7","3","1") = "6"
    & skf21("1","6","1","1","7","7","4","1") = "6"
    & skf21("1","6","1","1","7","7","5","1") = "6"
    & skf21("1","6","1","1","7","7","6","1") = "6"
    & skf21("1","6","1","1","7","7","7","1") = "6"
    & skf21("1","6","1","2","1","1","1","1") = "5"
    & skf21("1","6","1","2","1","1","2","1") = "5"
    & skf21("1","6","1","2","1","1","3","1") = "5"
    & skf21("1","6","1","2","1","1","4","1") = "5"
    & skf21("1","6","1","2","1","1","5","1") = "5"
    & skf21("1","6","1","2","1","1","6","1") = "5"
    & skf21("1","6","1","2","1","1","7","1") = "6"
    & skf21("1","6","1","2","1","2","1","1") = "5"
    & skf21("1","6","1","2","1","2","2","1") = "5"
    & skf21("1","6","1","2","1","2","3","1") = "5"
    & skf21("1","6","1","2","1","2","4","1") = "5"
    & skf21("1","6","1","2","1","2","5","1") = "5"
    & skf21("1","6","1","2","1","2","6","1") = "5"
    & skf21("1","6","1","2","1","2","7","1") = "6"
    & skf21("1","6","1","2","1","3","1","1") = "5"
    & skf21("1","6","1","2","1","3","2","1") = "5"
    & skf21("1","6","1","2","1","3","3","1") = "5"
    & skf21("1","6","1","2","1","3","4","1") = "5"
    & skf21("1","6","1","2","1","3","5","1") = "5"
    & skf21("1","6","1","2","1","3","6","1") = "5"
    & skf21("1","6","1","2","1","3","7","1") = "6"
    & skf21("1","6","1","2","1","4","1","1") = "5"
    & skf21("1","6","1","2","1","4","2","1") = "5"
    & skf21("1","6","1","2","1","4","3","1") = "5"
    & skf21("1","6","1","2","1","4","4","1") = "5"
    & skf21("1","6","1","2","1","4","5","1") = "5"
    & skf21("1","6","1","2","1","4","6","1") = "5"
    & skf21("1","6","1","2","1","4","7","1") = "6"
    & skf21("1","6","1","2","1","5","1","1") = "5"
    & skf21("1","6","1","2","1","5","2","1") = "5"
    & skf21("1","6","1","2","1","5","3","1") = "5"
    & skf21("1","6","1","2","1","5","4","1") = "5"
    & skf21("1","6","1","2","1","5","5","1") = "5"
    & skf21("1","6","1","2","1","5","6","1") = "5"
    & skf21("1","6","1","2","1","5","7","1") = "6"
    & skf21("1","6","1","2","1","6","1","1") = "5"
    & skf21("1","6","1","2","1","6","2","1") = "5"
    & skf21("1","6","1","2","1","6","3","1") = "5"
    & skf21("1","6","1","2","1","6","4","1") = "5"
    & skf21("1","6","1","2","1","6","5","1") = "5"
    & skf21("1","6","1","2","1","6","6","1") = "5"
    & skf21("1","6","1","2","1","6","7","1") = "6"
    & skf21("1","6","1","2","1","7","1","1") = "6"
    & skf21("1","6","1","2","1","7","2","1") = "6"
    & skf21("1","6","1","2","1","7","3","1") = "6"
    & skf21("1","6","1","2","1","7","4","1") = "6"
    & skf21("1","6","1","2","1","7","5","1") = "6"
    & skf21("1","6","1","2","1","7","6","1") = "6"
    & skf21("1","6","1","2","1","7","7","1") = "6"
    & skf21("1","6","1","2","2","1","1","1") = "5"
    & skf21("1","6","1","2","2","1","2","1") = "5"
    & skf21("1","6","1","2","2","1","3","1") = "5"
    & skf21("1","6","1","2","2","1","4","1") = "5"
    & skf21("1","6","1","2","2","1","5","1") = "5"
    & skf21("1","6","1","2","2","1","6","1") = "5"
    & skf21("1","6","1","2","2","1","7","1") = "6"
    & skf21("1","6","1","2","2","2","1","1") = "5"
    & skf21("1","6","1","2","2","2","2","1") = "5"
    & skf21("1","6","1","2","2","2","3","1") = "5"
    & skf21("1","6","1","2","2","2","4","1") = "5"
    & skf21("1","6","1","2","2","2","5","1") = "5"
    & skf21("1","6","1","2","2","2","6","1") = "5"
    & skf21("1","6","1","2","2","2","7","1") = "6"
    & skf21("1","6","1","2","2","3","1","1") = "5"
    & skf21("1","6","1","2","2","3","2","1") = "5"
    & skf21("1","6","1","2","2","3","3","1") = "5"
    & skf21("1","6","1","2","2","3","4","1") = "5"
    & skf21("1","6","1","2","2","3","5","1") = "5"
    & skf21("1","6","1","2","2","3","6","1") = "5"
    & skf21("1","6","1","2","2","3","7","1") = "6"
    & skf21("1","6","1","2","2","4","1","1") = "5"
    & skf21("1","6","1","2","2","4","2","1") = "5"
    & skf21("1","6","1","2","2","4","3","1") = "5"
    & skf21("1","6","1","2","2","4","4","1") = "5"
    & skf21("1","6","1","2","2","4","5","1") = "5"
    & skf21("1","6","1","2","2","4","6","1") = "5"
    & skf21("1","6","1","2","2","4","7","1") = "6"
    & skf21("1","6","1","2","2","5","1","1") = "5"
    & skf21("1","6","1","2","2","5","2","1") = "5"
    & skf21("1","6","1","2","2","5","3","1") = "5"
    & skf21("1","6","1","2","2","5","4","1") = "5"
    & skf21("1","6","1","2","2","5","5","1") = "5"
    & skf21("1","6","1","2","2","5","6","1") = "5"
    & skf21("1","6","1","2","2","5","7","1") = "6"
    & skf21("1","6","1","2","2","6","1","1") = "5"
    & skf21("1","6","1","2","2","6","2","1") = "5"
    & skf21("1","6","1","2","2","6","3","1") = "5"
    & skf21("1","6","1","2","2","6","4","1") = "5"
    & skf21("1","6","1","2","2","6","5","1") = "5"
    & skf21("1","6","1","2","2","6","6","1") = "5"
    & skf21("1","6","1","2","2","6","7","1") = "6"
    & skf21("1","6","1","2","2","7","1","1") = "6"
    & skf21("1","6","1","2","2","7","2","1") = "6"
    & skf21("1","6","1","2","2","7","3","1") = "6"
    & skf21("1","6","1","2","2","7","4","1") = "6"
    & skf21("1","6","1","2","2","7","5","1") = "6"
    & skf21("1","6","1","2","2","7","6","1") = "6"
    & skf21("1","6","1","2","2","7","7","1") = "6"
    & skf21("1","6","1","2","3","1","1","1") = "5"
    & skf21("1","6","1","2","3","1","2","1") = "5"
    & skf21("1","6","1","2","3","1","3","1") = "5"
    & skf21("1","6","1","2","3","1","4","1") = "5"
    & skf21("1","6","1","2","3","1","5","1") = "5"
    & skf21("1","6","1","2","3","1","6","1") = "5"
    & skf21("1","6","1","2","3","1","7","1") = "6"
    & skf21("1","6","1","2","3","2","1","1") = "5"
    & skf21("1","6","1","2","3","2","2","1") = "5"
    & skf21("1","6","1","2","3","2","3","1") = "5"
    & skf21("1","6","1","2","3","2","4","1") = "5"
    & skf21("1","6","1","2","3","2","5","1") = "5"
    & skf21("1","6","1","2","3","2","6","1") = "5"
    & skf21("1","6","1","2","3","2","7","1") = "6"
    & skf21("1","6","1","2","3","3","1","1") = "5"
    & skf21("1","6","1","2","3","3","2","1") = "5"
    & skf21("1","6","1","2","3","3","3","1") = "5"
    & skf21("1","6","1","2","3","3","4","1") = "5"
    & skf21("1","6","1","2","3","3","5","1") = "5"
    & skf21("1","6","1","2","3","3","6","1") = "5"
    & skf21("1","6","1","2","3","3","7","1") = "6"
    & skf21("1","6","1","2","3","4","1","1") = "5"
    & skf21("1","6","1","2","3","4","2","1") = "5"
    & skf21("1","6","1","2","3","4","3","1") = "5"
    & skf21("1","6","1","2","3","4","4","1") = "5"
    & skf21("1","6","1","2","3","4","5","1") = "5"
    & skf21("1","6","1","2","3","4","6","1") = "5"
    & skf21("1","6","1","2","3","4","7","1") = "6"
    & skf21("1","6","1","2","3","5","1","1") = "5"
    & skf21("1","6","1","2","3","5","2","1") = "5"
    & skf21("1","6","1","2","3","5","3","1") = "5"
    & skf21("1","6","1","2","3","5","4","1") = "5"
    & skf21("1","6","1","2","3","5","5","1") = "5"
    & skf21("1","6","1","2","3","5","6","1") = "5"
    & skf21("1","6","1","2","3","5","7","1") = "6"
    & skf21("1","6","1","2","3","6","1","1") = "5"
    & skf21("1","6","1","2","3","6","2","1") = "5"
    & skf21("1","6","1","2","3","6","3","1") = "5"
    & skf21("1","6","1","2","3","6","4","1") = "5"
    & skf21("1","6","1","2","3","6","5","1") = "5"
    & skf21("1","6","1","2","3","6","6","1") = "5"
    & skf21("1","6","1","2","3","6","7","1") = "6"
    & skf21("1","6","1","2","3","7","1","1") = "6"
    & skf21("1","6","1","2","3","7","2","1") = "6"
    & skf21("1","6","1","2","3","7","3","1") = "6"
    & skf21("1","6","1","2","3","7","4","1") = "6"
    & skf21("1","6","1","2","3","7","5","1") = "6"
    & skf21("1","6","1","2","3","7","6","1") = "6"
    & skf21("1","6","1","2","3","7","7","1") = "6"
    & skf21("1","6","1","2","4","1","1","1") = "5"
    & skf21("1","6","1","2","4","1","2","1") = "5"
    & skf21("1","6","1","2","4","1","3","1") = "5"
    & skf21("1","6","1","2","4","1","4","1") = "5"
    & skf21("1","6","1","2","4","1","5","1") = "5"
    & skf21("1","6","1","2","4","1","6","1") = "5"
    & skf21("1","6","1","2","4","1","7","1") = "6"
    & skf21("1","6","1","2","4","2","1","1") = "5"
    & skf21("1","6","1","2","4","2","2","1") = "5"
    & skf21("1","6","1","2","4","2","3","1") = "5"
    & skf21("1","6","1","2","4","2","4","1") = "5"
    & skf21("1","6","1","2","4","2","5","1") = "5"
    & skf21("1","6","1","2","4","2","6","1") = "5"
    & skf21("1","6","1","2","4","2","7","1") = "6"
    & skf21("1","6","1","2","4","3","1","1") = "5"
    & skf21("1","6","1","2","4","3","2","1") = "5"
    & skf21("1","6","1","2","4","3","3","1") = "5"
    & skf21("1","6","1","2","4","3","4","1") = "5"
    & skf21("1","6","1","2","4","3","5","1") = "5"
    & skf21("1","6","1","2","4","3","6","1") = "5"
    & skf21("1","6","1","2","4","3","7","1") = "6"
    & skf21("1","6","1","2","4","4","1","1") = "5"
    & skf21("1","6","1","2","4","4","2","1") = "5"
    & skf21("1","6","1","2","4","4","3","1") = "5"
    & skf21("1","6","1","2","4","4","4","1") = "5"
    & skf21("1","6","1","2","4","4","5","1") = "5"
    & skf21("1","6","1","2","4","4","6","1") = "5"
    & skf21("1","6","1","2","4","4","7","1") = "6"
    & skf21("1","6","1","2","4","5","1","1") = "5"
    & skf21("1","6","1","2","4","5","2","1") = "5"
    & skf21("1","6","1","2","4","5","3","1") = "5"
    & skf21("1","6","1","2","4","5","4","1") = "5"
    & skf21("1","6","1","2","4","5","5","1") = "5"
    & skf21("1","6","1","2","4","5","6","1") = "5"
    & skf21("1","6","1","2","4","5","7","1") = "6"
    & skf21("1","6","1","2","4","6","1","1") = "5"
    & skf21("1","6","1","2","4","6","2","1") = "5"
    & skf21("1","6","1","2","4","6","3","1") = "5"
    & skf21("1","6","1","2","4","6","4","1") = "5"
    & skf21("1","6","1","2","4","6","5","1") = "5"
    & skf21("1","6","1","2","4","6","6","1") = "5"
    & skf21("1","6","1","2","4","6","7","1") = "6"
    & skf21("1","6","1","2","4","7","1","1") = "6"
    & skf21("1","6","1","2","4","7","2","1") = "6"
    & skf21("1","6","1","2","4","7","3","1") = "6"
    & skf21("1","6","1","2","4","7","4","1") = "6"
    & skf21("1","6","1","2","4","7","5","1") = "6"
    & skf21("1","6","1","2","4","7","6","1") = "6"
    & skf21("1","6","1","2","4","7","7","1") = "6"
    & skf21("1","6","1","2","5","1","1","1") = "5"
    & skf21("1","6","1","2","5","1","2","1") = "5"
    & skf21("1","6","1","2","5","1","3","1") = "5"
    & skf21("1","6","1","2","5","1","4","1") = "5"
    & skf21("1","6","1","2","5","1","5","1") = "5"
    & skf21("1","6","1","2","5","1","6","1") = "5"
    & skf21("1","6","1","2","5","1","7","1") = "6"
    & skf21("1","6","1","2","5","2","1","1") = "5"
    & skf21("1","6","1","2","5","2","2","1") = "5"
    & skf21("1","6","1","2","5","2","3","1") = "5"
    & skf21("1","6","1","2","5","2","4","1") = "5"
    & skf21("1","6","1","2","5","2","5","1") = "5"
    & skf21("1","6","1","2","5","2","6","1") = "5"
    & skf21("1","6","1","2","5","2","7","1") = "6"
    & skf21("1","6","1","2","5","3","1","1") = "5"
    & skf21("1","6","1","2","5","3","2","1") = "5"
    & skf21("1","6","1","2","5","3","3","1") = "5"
    & skf21("1","6","1","2","5","3","4","1") = "5"
    & skf21("1","6","1","2","5","3","5","1") = "5"
    & skf21("1","6","1","2","5","3","6","1") = "5"
    & skf21("1","6","1","2","5","3","7","1") = "6"
    & skf21("1","6","1","2","5","4","1","1") = "5"
    & skf21("1","6","1","2","5","4","2","1") = "5"
    & skf21("1","6","1","2","5","4","3","1") = "5"
    & skf21("1","6","1","2","5","4","4","1") = "5"
    & skf21("1","6","1","2","5","4","5","1") = "5"
    & skf21("1","6","1","2","5","4","6","1") = "5"
    & skf21("1","6","1","2","5","4","7","1") = "6"
    & skf21("1","6","1","2","5","5","1","1") = "5"
    & skf21("1","6","1","2","5","5","2","1") = "5"
    & skf21("1","6","1","2","5","5","3","1") = "5"
    & skf21("1","6","1","2","5","5","4","1") = "5"
    & skf21("1","6","1","2","5","5","5","1") = "5"
    & skf21("1","6","1","2","5","5","6","1") = "5"
    & skf21("1","6","1","2","5","5","7","1") = "6"
    & skf21("1","6","1","2","5","6","1","1") = "5"
    & skf21("1","6","1","2","5","6","2","1") = "5"
    & skf21("1","6","1","2","5","6","3","1") = "5"
    & skf21("1","6","1","2","5","6","4","1") = "5"
    & skf21("1","6","1","2","5","6","5","1") = "5"
    & skf21("1","6","1","2","5","6","6","1") = "5"
    & skf21("1","6","1","2","5","6","7","1") = "6"
    & skf21("1","6","1","2","5","7","1","1") = "6"
    & skf21("1","6","1","2","5","7","2","1") = "6"
    & skf21("1","6","1","2","5","7","3","1") = "6"
    & skf21("1","6","1","2","5","7","4","1") = "6"
    & skf21("1","6","1","2","5","7","5","1") = "6"
    & skf21("1","6","1","2","5","7","6","1") = "6"
    & skf21("1","6","1","2","5","7","7","1") = "6"
    & skf21("1","6","1","2","6","1","1","1") = "5"
    & skf21("1","6","1","2","6","1","2","1") = "5"
    & skf21("1","6","1","2","6","1","3","1") = "5"
    & skf21("1","6","1","2","6","1","4","1") = "5"
    & skf21("1","6","1","2","6","1","5","1") = "5"
    & skf21("1","6","1","2","6","1","6","1") = "5"
    & skf21("1","6","1","2","6","1","7","1") = "6"
    & skf21("1","6","1","2","6","2","1","1") = "5"
    & skf21("1","6","1","2","6","2","2","1") = "5"
    & skf21("1","6","1","2","6","2","3","1") = "5"
    & skf21("1","6","1","2","6","2","4","1") = "5"
    & skf21("1","6","1","2","6","2","5","1") = "5"
    & skf21("1","6","1","2","6","2","6","1") = "5"
    & skf21("1","6","1","2","6","2","7","1") = "6"
    & skf21("1","6","1","2","6","3","1","1") = "5"
    & skf21("1","6","1","2","6","3","2","1") = "5"
    & skf21("1","6","1","2","6","3","3","1") = "5"
    & skf21("1","6","1","2","6","3","4","1") = "5"
    & skf21("1","6","1","2","6","3","5","1") = "5"
    & skf21("1","6","1","2","6","3","6","1") = "5"
    & skf21("1","6","1","2","6","3","7","1") = "6"
    & skf21("1","6","1","2","6","4","1","1") = "5"
    & skf21("1","6","1","2","6","4","2","1") = "5"
    & skf21("1","6","1","2","6","4","3","1") = "5"
    & skf21("1","6","1","2","6","4","4","1") = "5"
    & skf21("1","6","1","2","6","4","5","1") = "5"
    & skf21("1","6","1","2","6","4","6","1") = "5"
    & skf21("1","6","1","2","6","4","7","1") = "6"
    & skf21("1","6","1","2","6","5","1","1") = "5"
    & skf21("1","6","1","2","6","5","2","1") = "5"
    & skf21("1","6","1","2","6","5","3","1") = "5"
    & skf21("1","6","1","2","6","5","4","1") = "5"
    & skf21("1","6","1","2","6","5","5","1") = "5"
    & skf21("1","6","1","2","6","5","6","1") = "5"
    & skf21("1","6","1","2","6","5","7","1") = "6"
    & skf21("1","6","1","2","6","6","1","1") = "5"
    & skf21("1","6","1","2","6","6","2","1") = "5"
    & skf21("1","6","1","2","6","6","3","1") = "5"
    & skf21("1","6","1","2","6","6","4","1") = "5"
    & skf21("1","6","1","2","6","6","5","1") = "5"
    & skf21("1","6","1","2","6","6","6","1") = "5"
    & skf21("1","6","1","2","6","6","7","1") = "6"
    & skf21("1","6","1","2","6","7","1","1") = "6"
    & skf21("1","6","1","2","6","7","2","1") = "6"
    & skf21("1","6","1","2","6","7","3","1") = "6"
    & skf21("1","6","1","2","6","7","4","1") = "6"
    & skf21("1","6","1","2","6","7","5","1") = "6"
    & skf21("1","6","1","2","6","7","6","1") = "6"
    & skf21("1","6","1","2","6","7","7","1") = "6"
    & skf21("1","6","1","2","7","1","1","1") = "6"
    & skf21("1","6","1","2","7","1","2","1") = "6"
    & skf21("1","6","1","2","7","1","3","1") = "6"
    & skf21("1","6","1","2","7","1","4","1") = "6"
    & skf21("1","6","1","2","7","1","5","1") = "6"
    & skf21("1","6","1","2","7","1","6","1") = "6"
    & skf21("1","6","1","2","7","1","7","1") = "6"
    & skf21("1","6","1","2","7","2","1","1") = "6"
    & skf21("1","6","1","2","7","2","2","1") = "6"
    & skf21("1","6","1","2","7","2","3","1") = "6"
    & skf21("1","6","1","2","7","2","4","1") = "6"
    & skf21("1","6","1","2","7","2","5","1") = "6"
    & skf21("1","6","1","2","7","2","6","1") = "6"
    & skf21("1","6","1","2","7","2","7","1") = "6"
    & skf21("1","6","1","2","7","3","1","1") = "6"
    & skf21("1","6","1","2","7","3","2","1") = "6"
    & skf21("1","6","1","2","7","3","3","1") = "6"
    & skf21("1","6","1","2","7","3","4","1") = "6"
    & skf21("1","6","1","2","7","3","5","1") = "6"
    & skf21("1","6","1","2","7","3","6","1") = "6"
    & skf21("1","6","1","2","7","3","7","1") = "6"
    & skf21("1","6","1","2","7","4","1","1") = "6"
    & skf21("1","6","1","2","7","4","2","1") = "6"
    & skf21("1","6","1","2","7","4","3","1") = "6"
    & skf21("1","6","1","2","7","4","4","1") = "6"
    & skf21("1","6","1","2","7","4","5","1") = "6"
    & skf21("1","6","1","2","7","4","6","1") = "6"
    & skf21("1","6","1","2","7","4","7","1") = "6"
    & skf21("1","6","1","2","7","5","1","1") = "6"
    & skf21("1","6","1","2","7","5","2","1") = "6"
    & skf21("1","6","1","2","7","5","3","1") = "6"
    & skf21("1","6","1","2","7","5","4","1") = "6"
    & skf21("1","6","1","2","7","5","5","1") = "6"
    & skf21("1","6","1","2","7","5","6","1") = "6"
    & skf21("1","6","1","2","7","5","7","1") = "6"
    & skf21("1","6","1","2","7","6","1","1") = "6"
    & skf21("1","6","1","2","7","6","2","1") = "6"
    & skf21("1","6","1","2","7","6","3","1") = "6"
    & skf21("1","6","1","2","7","6","4","1") = "6"
    & skf21("1","6","1","2","7","6","5","1") = "6"
    & skf21("1","6","1","2","7","6","6","1") = "6"
    & skf21("1","6","1","2","7","6","7","1") = "6"
    & skf21("1","6","1","2","7","7","1","1") = "6"
    & skf21("1","6","1","2","7","7","2","1") = "6"
    & skf21("1","6","1","2","7","7","3","1") = "6"
    & skf21("1","6","1","2","7","7","4","1") = "6"
    & skf21("1","6","1","2","7","7","5","1") = "6"
    & skf21("1","6","1","2","7","7","6","1") = "6"
    & skf21("1","6","1","2","7","7","7","1") = "6"
    & skf21("1","6","1","3","1","1","1","1") = "5"
    & skf21("1","6","1","3","1","1","2","1") = "5"
    & skf21("1","6","1","3","1","1","3","1") = "5"
    & skf21("1","6","1","3","1","1","4","1") = "5"
    & skf21("1","6","1","3","1","1","5","1") = "5"
    & skf21("1","6","1","3","1","1","6","1") = "5"
    & skf21("1","6","1","3","1","1","7","1") = "6"
    & skf21("1","6","1","3","1","2","1","1") = "5"
    & skf21("1","6","1","3","1","2","2","1") = "5"
    & skf21("1","6","1","3","1","2","3","1") = "5"
    & skf21("1","6","1","3","1","2","4","1") = "5"
    & skf21("1","6","1","3","1","2","5","1") = "5"
    & skf21("1","6","1","3","1","2","6","1") = "5"
    & skf21("1","6","1","3","1","2","7","1") = "6"
    & skf21("1","6","1","3","1","3","1","1") = "5"
    & skf21("1","6","1","3","1","3","2","1") = "5"
    & skf21("1","6","1","3","1","3","3","1") = "5"
    & skf21("1","6","1","3","1","3","4","1") = "5"
    & skf21("1","6","1","3","1","3","5","1") = "5"
    & skf21("1","6","1","3","1","3","6","1") = "5"
    & skf21("1","6","1","3","1","3","7","1") = "6"
    & skf21("1","6","1","3","1","4","1","1") = "5"
    & skf21("1","6","1","3","1","4","2","1") = "5"
    & skf21("1","6","1","3","1","4","3","1") = "5"
    & skf21("1","6","1","3","1","4","4","1") = "5"
    & skf21("1","6","1","3","1","4","5","1") = "5"
    & skf21("1","6","1","3","1","4","6","1") = "5"
    & skf21("1","6","1","3","1","4","7","1") = "6"
    & skf21("1","6","1","3","1","5","1","1") = "5"
    & skf21("1","6","1","3","1","5","2","1") = "5"
    & skf21("1","6","1","3","1","5","3","1") = "5"
    & skf21("1","6","1","3","1","5","4","1") = "5"
    & skf21("1","6","1","3","1","5","5","1") = "5"
    & skf21("1","6","1","3","1","5","6","1") = "5"
    & skf21("1","6","1","3","1","5","7","1") = "6"
    & skf21("1","6","1","3","1","6","1","1") = "5"
    & skf21("1","6","1","3","1","6","2","1") = "5"
    & skf21("1","6","1","3","1","6","3","1") = "5"
    & skf21("1","6","1","3","1","6","4","1") = "5"
    & skf21("1","6","1","3","1","6","5","1") = "5"
    & skf21("1","6","1","3","1","6","6","1") = "5"
    & skf21("1","6","1","3","1","6","7","1") = "6"
    & skf21("1","6","1","3","1","7","1","1") = "6"
    & skf21("1","6","1","3","1","7","2","1") = "6"
    & skf21("1","6","1","3","1","7","3","1") = "6"
    & skf21("1","6","1","3","1","7","4","1") = "6"
    & skf21("1","6","1","3","1","7","5","1") = "6"
    & skf21("1","6","1","3","1","7","6","1") = "6"
    & skf21("1","6","1","3","1","7","7","1") = "6"
    & skf21("1","6","1","3","2","1","1","1") = "5"
    & skf21("1","6","1","3","2","1","2","1") = "5"
    & skf21("1","6","1","3","2","1","3","1") = "5"
    & skf21("1","6","1","3","2","1","4","1") = "5"
    & skf21("1","6","1","3","2","1","5","1") = "5"
    & skf21("1","6","1","3","2","1","6","1") = "5"
    & skf21("1","6","1","3","2","1","7","1") = "6"
    & skf21("1","6","1","3","2","2","1","1") = "5"
    & skf21("1","6","1","3","2","2","2","1") = "5"
    & skf21("1","6","1","3","2","2","3","1") = "5"
    & skf21("1","6","1","3","2","2","4","1") = "5"
    & skf21("1","6","1","3","2","2","5","1") = "5"
    & skf21("1","6","1","3","2","2","6","1") = "5"
    & skf21("1","6","1","3","2","2","7","1") = "6"
    & skf21("1","6","1","3","2","3","1","1") = "5"
    & skf21("1","6","1","3","2","3","2","1") = "5"
    & skf21("1","6","1","3","2","3","3","1") = "5"
    & skf21("1","6","1","3","2","3","4","1") = "5"
    & skf21("1","6","1","3","2","3","5","1") = "5"
    & skf21("1","6","1","3","2","3","6","1") = "5"
    & skf21("1","6","1","3","2","3","7","1") = "6"
    & skf21("1","6","1","3","2","4","1","1") = "5"
    & skf21("1","6","1","3","2","4","2","1") = "5"
    & skf21("1","6","1","3","2","4","3","1") = "5"
    & skf21("1","6","1","3","2","4","4","1") = "5"
    & skf21("1","6","1","3","2","4","5","1") = "5"
    & skf21("1","6","1","3","2","4","6","1") = "5"
    & skf21("1","6","1","3","2","4","7","1") = "6"
    & skf21("1","6","1","3","2","5","1","1") = "5"
    & skf21("1","6","1","3","2","5","2","1") = "5"
    & skf21("1","6","1","3","2","5","3","1") = "5"
    & skf21("1","6","1","3","2","5","4","1") = "5"
    & skf21("1","6","1","3","2","5","5","1") = "5"
    & skf21("1","6","1","3","2","5","6","1") = "5"
    & skf21("1","6","1","3","2","5","7","1") = "6"
    & skf21("1","6","1","3","2","6","1","1") = "5"
    & skf21("1","6","1","3","2","6","2","1") = "5"
    & skf21("1","6","1","3","2","6","3","1") = "5"
    & skf21("1","6","1","3","2","6","4","1") = "5"
    & skf21("1","6","1","3","2","6","5","1") = "5"
    & skf21("1","6","1","3","2","6","6","1") = "5"
    & skf21("1","6","1","3","2","6","7","1") = "6"
    & skf21("1","6","1","3","2","7","1","1") = "6"
    & skf21("1","6","1","3","2","7","2","1") = "6"
    & skf21("1","6","1","3","2","7","3","1") = "6"
    & skf21("1","6","1","3","2","7","4","1") = "6"
    & skf21("1","6","1","3","2","7","5","1") = "6"
    & skf21("1","6","1","3","2","7","6","1") = "6"
    & skf21("1","6","1","3","2","7","7","1") = "6"
    & skf21("1","6","1","3","3","1","1","1") = "5"
    & skf21("1","6","1","3","3","1","2","1") = "5"
    & skf21("1","6","1","3","3","1","3","1") = "5"
    & skf21("1","6","1","3","3","1","4","1") = "5"
    & skf21("1","6","1","3","3","1","5","1") = "5"
    & skf21("1","6","1","3","3","1","6","1") = "5"
    & skf21("1","6","1","3","3","1","7","1") = "6"
    & skf21("1","6","1","3","3","2","1","1") = "5"
    & skf21("1","6","1","3","3","2","2","1") = "5"
    & skf21("1","6","1","3","3","2","3","1") = "5"
    & skf21("1","6","1","3","3","2","4","1") = "5"
    & skf21("1","6","1","3","3","2","5","1") = "5"
    & skf21("1","6","1","3","3","2","6","1") = "5"
    & skf21("1","6","1","3","3","2","7","1") = "6"
    & skf21("1","6","1","3","3","3","1","1") = "5"
    & skf21("1","6","1","3","3","3","2","1") = "5"
    & skf21("1","6","1","3","3","3","3","1") = "5"
    & skf21("1","6","1","3","3","3","4","1") = "5"
    & skf21("1","6","1","3","3","3","5","1") = "5"
    & skf21("1","6","1","3","3","3","6","1") = "5"
    & skf21("1","6","1","3","3","3","7","1") = "6"
    & skf21("1","6","1","3","3","4","1","1") = "5"
    & skf21("1","6","1","3","3","4","2","1") = "5"
    & skf21("1","6","1","3","3","4","3","1") = "5"
    & skf21("1","6","1","3","3","4","4","1") = "5"
    & skf21("1","6","1","3","3","4","5","1") = "5"
    & skf21("1","6","1","3","3","4","6","1") = "5"
    & skf21("1","6","1","3","3","4","7","1") = "6"
    & skf21("1","6","1","3","3","5","1","1") = "5"
    & skf21("1","6","1","3","3","5","2","1") = "5"
    & skf21("1","6","1","3","3","5","3","1") = "5"
    & skf21("1","6","1","3","3","5","4","1") = "5"
    & skf21("1","6","1","3","3","5","5","1") = "5"
    & skf21("1","6","1","3","3","5","6","1") = "5"
    & skf21("1","6","1","3","3","5","7","1") = "6"
    & skf21("1","6","1","3","3","6","1","1") = "5"
    & skf21("1","6","1","3","3","6","2","1") = "5"
    & skf21("1","6","1","3","3","6","3","1") = "5"
    & skf21("1","6","1","3","3","6","4","1") = "5"
    & skf21("1","6","1","3","3","6","5","1") = "5"
    & skf21("1","6","1","3","3","6","6","1") = "5"
    & skf21("1","6","1","3","3","6","7","1") = "6"
    & skf21("1","6","1","3","3","7","1","1") = "6"
    & skf21("1","6","1","3","3","7","2","1") = "6"
    & skf21("1","6","1","3","3","7","3","1") = "6"
    & skf21("1","6","1","3","3","7","4","1") = "6"
    & skf21("1","6","1","3","3","7","5","1") = "6"
    & skf21("1","6","1","3","3","7","6","1") = "6"
    & skf21("1","6","1","3","3","7","7","1") = "6"
    & skf21("1","6","1","3","4","1","1","1") = "5"
    & skf21("1","6","1","3","4","1","2","1") = "5"
    & skf21("1","6","1","3","4","1","3","1") = "5"
    & skf21("1","6","1","3","4","1","4","1") = "5"
    & skf21("1","6","1","3","4","1","5","1") = "5"
    & skf21("1","6","1","3","4","1","6","1") = "5"
    & skf21("1","6","1","3","4","1","7","1") = "6"
    & skf21("1","6","1","3","4","2","1","1") = "5"
    & skf21("1","6","1","3","4","2","2","1") = "5"
    & skf21("1","6","1","3","4","2","3","1") = "5"
    & skf21("1","6","1","3","4","2","4","1") = "5"
    & skf21("1","6","1","3","4","2","5","1") = "5"
    & skf21("1","6","1","3","4","2","6","1") = "5"
    & skf21("1","6","1","3","4","2","7","1") = "6"
    & skf21("1","6","1","3","4","3","1","1") = "5"
    & skf21("1","6","1","3","4","3","2","1") = "5"
    & skf21("1","6","1","3","4","3","3","1") = "5"
    & skf21("1","6","1","3","4","3","4","1") = "5"
    & skf21("1","6","1","3","4","3","5","1") = "5"
    & skf21("1","6","1","3","4","3","6","1") = "5"
    & skf21("1","6","1","3","4","3","7","1") = "6"
    & skf21("1","6","1","3","4","4","1","1") = "5"
    & skf21("1","6","1","3","4","4","2","1") = "5"
    & skf21("1","6","1","3","4","4","3","1") = "5"
    & skf21("1","6","1","3","4","4","4","1") = "5"
    & skf21("1","6","1","3","4","4","5","1") = "5"
    & skf21("1","6","1","3","4","4","6","1") = "5"
    & skf21("1","6","1","3","4","4","7","1") = "6"
    & skf21("1","6","1","3","4","5","1","1") = "5"
    & skf21("1","6","1","3","4","5","2","1") = "5"
    & skf21("1","6","1","3","4","5","3","1") = "5"
    & skf21("1","6","1","3","4","5","4","1") = "5"
    & skf21("1","6","1","3","4","5","5","1") = "5"
    & skf21("1","6","1","3","4","5","6","1") = "5"
    & skf21("1","6","1","3","4","5","7","1") = "6"
    & skf21("1","6","1","3","4","6","1","1") = "5"
    & skf21("1","6","1","3","4","6","2","1") = "5"
    & skf21("1","6","1","3","4","6","3","1") = "5"
    & skf21("1","6","1","3","4","6","4","1") = "5"
    & skf21("1","6","1","3","4","6","5","1") = "5"
    & skf21("1","6","1","3","4","6","6","1") = "5"
    & skf21("1","6","1","3","4","6","7","1") = "6"
    & skf21("1","6","1","3","4","7","1","1") = "6"
    & skf21("1","6","1","3","4","7","2","1") = "6"
    & skf21("1","6","1","3","4","7","3","1") = "6"
    & skf21("1","6","1","3","4","7","4","1") = "6"
    & skf21("1","6","1","3","4","7","5","1") = "6"
    & skf21("1","6","1","3","4","7","6","1") = "6"
    & skf21("1","6","1","3","4","7","7","1") = "6"
    & skf21("1","6","1","3","5","1","1","1") = "5"
    & skf21("1","6","1","3","5","1","2","1") = "5"
    & skf21("1","6","1","3","5","1","3","1") = "5"
    & skf21("1","6","1","3","5","1","4","1") = "5"
    & skf21("1","6","1","3","5","1","5","1") = "5"
    & skf21("1","6","1","3","5","1","6","1") = "5"
    & skf21("1","6","1","3","5","1","7","1") = "6"
    & skf21("1","6","1","3","5","2","1","1") = "5"
    & skf21("1","6","1","3","5","2","2","1") = "5"
    & skf21("1","6","1","3","5","2","3","1") = "5"
    & skf21("1","6","1","3","5","2","4","1") = "5"
    & skf21("1","6","1","3","5","2","5","1") = "5"
    & skf21("1","6","1","3","5","2","6","1") = "5"
    & skf21("1","6","1","3","5","2","7","1") = "6"
    & skf21("1","6","1","3","5","3","1","1") = "5"
    & skf21("1","6","1","3","5","3","2","1") = "5"
    & skf21("1","6","1","3","5","3","3","1") = "5"
    & skf21("1","6","1","3","5","3","4","1") = "5"
    & skf21("1","6","1","3","5","3","5","1") = "5"
    & skf21("1","6","1","3","5","3","6","1") = "5"
    & skf21("1","6","1","3","5","3","7","1") = "6"
    & skf21("1","6","1","3","5","4","1","1") = "5"
    & skf21("1","6","1","3","5","4","2","1") = "5"
    & skf21("1","6","1","3","5","4","3","1") = "5"
    & skf21("1","6","1","3","5","4","4","1") = "5"
    & skf21("1","6","1","3","5","4","5","1") = "5"
    & skf21("1","6","1","3","5","4","6","1") = "5"
    & skf21("1","6","1","3","5","4","7","1") = "6"
    & skf21("1","6","1","3","5","5","1","1") = "5"
    & skf21("1","6","1","3","5","5","2","1") = "5"
    & skf21("1","6","1","3","5","5","3","1") = "5"
    & skf21("1","6","1","3","5","5","4","1") = "5"
    & skf21("1","6","1","3","5","5","5","1") = "5"
    & skf21("1","6","1","3","5","5","6","1") = "5"
    & skf21("1","6","1","3","5","5","7","1") = "6"
    & skf21("1","6","1","3","5","6","1","1") = "5"
    & skf21("1","6","1","3","5","6","2","1") = "5"
    & skf21("1","6","1","3","5","6","3","1") = "5"
    & skf21("1","6","1","3","5","6","4","1") = "5"
    & skf21("1","6","1","3","5","6","5","1") = "5"
    & skf21("1","6","1","3","5","6","6","1") = "5"
    & skf21("1","6","1","3","5","6","7","1") = "6"
    & skf21("1","6","1","3","5","7","1","1") = "6"
    & skf21("1","6","1","3","5","7","2","1") = "6"
    & skf21("1","6","1","3","5","7","3","1") = "6"
    & skf21("1","6","1","3","5","7","4","1") = "6"
    & skf21("1","6","1","3","5","7","5","1") = "6"
    & skf21("1","6","1","3","5","7","6","1") = "6"
    & skf21("1","6","1","3","5","7","7","1") = "6"
    & skf21("1","6","1","3","6","1","1","1") = "5"
    & skf21("1","6","1","3","6","1","2","1") = "5"
    & skf21("1","6","1","3","6","1","3","1") = "5"
    & skf21("1","6","1","3","6","1","4","1") = "5"
    & skf21("1","6","1","3","6","1","5","1") = "5"
    & skf21("1","6","1","3","6","1","6","1") = "5"
    & skf21("1","6","1","3","6","1","7","1") = "6"
    & skf21("1","6","1","3","6","2","1","1") = "5"
    & skf21("1","6","1","3","6","2","2","1") = "5"
    & skf21("1","6","1","3","6","2","3","1") = "5"
    & skf21("1","6","1","3","6","2","4","1") = "5"
    & skf21("1","6","1","3","6","2","5","1") = "5"
    & skf21("1","6","1","3","6","2","6","1") = "5"
    & skf21("1","6","1","3","6","2","7","1") = "6"
    & skf21("1","6","1","3","6","3","1","1") = "5"
    & skf21("1","6","1","3","6","3","2","1") = "5"
    & skf21("1","6","1","3","6","3","3","1") = "5"
    & skf21("1","6","1","3","6","3","4","1") = "5"
    & skf21("1","6","1","3","6","3","5","1") = "5"
    & skf21("1","6","1","3","6","3","6","1") = "5"
    & skf21("1","6","1","3","6","3","7","1") = "6"
    & skf21("1","6","1","3","6","4","1","1") = "5"
    & skf21("1","6","1","3","6","4","2","1") = "5"
    & skf21("1","6","1","3","6","4","3","1") = "5"
    & skf21("1","6","1","3","6","4","4","1") = "5"
    & skf21("1","6","1","3","6","4","5","1") = "5"
    & skf21("1","6","1","3","6","4","6","1") = "5"
    & skf21("1","6","1","3","6","4","7","1") = "6"
    & skf21("1","6","1","3","6","5","1","1") = "5"
    & skf21("1","6","1","3","6","5","2","1") = "5"
    & skf21("1","6","1","3","6","5","3","1") = "5"
    & skf21("1","6","1","3","6","5","4","1") = "5"
    & skf21("1","6","1","3","6","5","5","1") = "5"
    & skf21("1","6","1","3","6","5","6","1") = "5"
    & skf21("1","6","1","3","6","5","7","1") = "6"
    & skf21("1","6","1","3","6","6","1","1") = "5"
    & skf21("1","6","1","3","6","6","2","1") = "5"
    & skf21("1","6","1","3","6","6","3","1") = "5"
    & skf21("1","6","1","3","6","6","4","1") = "5"
    & skf21("1","6","1","3","6","6","5","1") = "5"
    & skf21("1","6","1","3","6","6","6","1") = "5"
    & skf21("1","6","1","3","6","6","7","1") = "6"
    & skf21("1","6","1","3","6","7","1","1") = "6"
    & skf21("1","6","1","3","6","7","2","1") = "6"
    & skf21("1","6","1","3","6","7","3","1") = "6"
    & skf21("1","6","1","3","6","7","4","1") = "6"
    & skf21("1","6","1","3","6","7","5","1") = "6"
    & skf21("1","6","1","3","6","7","6","1") = "6"
    & skf21("1","6","1","3","6","7","7","1") = "6"
    & skf21("1","6","1","3","7","1","1","1") = "6"
    & skf21("1","6","1","3","7","1","2","1") = "6"
    & skf21("1","6","1","3","7","1","3","1") = "6"
    & skf21("1","6","1","3","7","1","4","1") = "6"
    & skf21("1","6","1","3","7","1","5","1") = "6"
    & skf21("1","6","1","3","7","1","6","1") = "6"
    & skf21("1","6","1","3","7","1","7","1") = "6"
    & skf21("1","6","1","3","7","2","1","1") = "6"
    & skf21("1","6","1","3","7","2","2","1") = "6"
    & skf21("1","6","1","3","7","2","3","1") = "6"
    & skf21("1","6","1","3","7","2","4","1") = "6"
    & skf21("1","6","1","3","7","2","5","1") = "6"
    & skf21("1","6","1","3","7","2","6","1") = "6"
    & skf21("1","6","1","3","7","2","7","1") = "6"
    & skf21("1","6","1","3","7","3","1","1") = "6"
    & skf21("1","6","1","3","7","3","2","1") = "6"
    & skf21("1","6","1","3","7","3","3","1") = "6"
    & skf21("1","6","1","3","7","3","4","1") = "6"
    & skf21("1","6","1","3","7","3","5","1") = "6"
    & skf21("1","6","1","3","7","3","6","1") = "6"
    & skf21("1","6","1","3","7","3","7","1") = "6"
    & skf21("1","6","1","3","7","4","1","1") = "6"
    & skf21("1","6","1","3","7","4","2","1") = "6"
    & skf21("1","6","1","3","7","4","3","1") = "6"
    & skf21("1","6","1","3","7","4","4","1") = "6"
    & skf21("1","6","1","3","7","4","5","1") = "6"
    & skf21("1","6","1","3","7","4","6","1") = "6"
    & skf21("1","6","1","3","7","4","7","1") = "6"
    & skf21("1","6","1","3","7","5","1","1") = "6"
    & skf21("1","6","1","3","7","5","2","1") = "6"
    & skf21("1","6","1","3","7","5","3","1") = "6"
    & skf21("1","6","1","3","7","5","4","1") = "6"
    & skf21("1","6","1","3","7","5","5","1") = "6"
    & skf21("1","6","1","3","7","5","6","1") = "6"
    & skf21("1","6","1","3","7","5","7","1") = "6"
    & skf21("1","6","1","3","7","6","1","1") = "6"
    & skf21("1","6","1","3","7","6","2","1") = "6"
    & skf21("1","6","1","3","7","6","3","1") = "6"
    & skf21("1","6","1","3","7","6","4","1") = "6"
    & skf21("1","6","1","3","7","6","5","1") = "6"
    & skf21("1","6","1","3","7","6","6","1") = "6"
    & skf21("1","6","1","3","7","6","7","1") = "6"
    & skf21("1","6","1","3","7","7","1","1") = "6"
    & skf21("1","6","1","3","7","7","2","1") = "6"
    & skf21("1","6","1","3","7","7","3","1") = "6"
    & skf21("1","6","1","3","7","7","4","1") = "6"
    & skf21("1","6","1","3","7","7","5","1") = "6"
    & skf21("1","6","1","3","7","7","6","1") = "6"
    & skf21("1","6","1","3","7","7","7","1") = "6"
    & skf21("1","6","1","4","1","1","1","1") = "5"
    & skf21("1","6","1","4","1","1","2","1") = "5"
    & skf21("1","6","1","4","1","1","3","1") = "5"
    & skf21("1","6","1","4","1","1","4","1") = "5"
    & skf21("1","6","1","4","1","1","5","1") = "5"
    & skf21("1","6","1","4","1","1","6","1") = "5"
    & skf21("1","6","1","4","1","1","7","1") = "6"
    & skf21("1","6","1","4","1","2","1","1") = "5"
    & skf21("1","6","1","4","1","2","2","1") = "5"
    & skf21("1","6","1","4","1","2","3","1") = "5"
    & skf21("1","6","1","4","1","2","4","1") = "5"
    & skf21("1","6","1","4","1","2","5","1") = "5"
    & skf21("1","6","1","4","1","2","6","1") = "5"
    & skf21("1","6","1","4","1","2","7","1") = "6"
    & skf21("1","6","1","4","1","3","1","1") = "5"
    & skf21("1","6","1","4","1","3","2","1") = "5"
    & skf21("1","6","1","4","1","3","3","1") = "5"
    & skf21("1","6","1","4","1","3","4","1") = "5"
    & skf21("1","6","1","4","1","3","5","1") = "5"
    & skf21("1","6","1","4","1","3","6","1") = "5"
    & skf21("1","6","1","4","1","3","7","1") = "6"
    & skf21("1","6","1","4","1","4","1","1") = "5"
    & skf21("1","6","1","4","1","4","2","1") = "5"
    & skf21("1","6","1","4","1","4","3","1") = "5"
    & skf21("1","6","1","4","1","4","4","1") = "5"
    & skf21("1","6","1","4","1","4","5","1") = "5"
    & skf21("1","6","1","4","1","4","6","1") = "5"
    & skf21("1","6","1","4","1","4","7","1") = "6"
    & skf21("1","6","1","4","1","5","1","1") = "5"
    & skf21("1","6","1","4","1","5","2","1") = "5"
    & skf21("1","6","1","4","1","5","3","1") = "5"
    & skf21("1","6","1","4","1","5","4","1") = "5"
    & skf21("1","6","1","4","1","5","5","1") = "5"
    & skf21("1","6","1","4","1","5","6","1") = "5"
    & skf21("1","6","1","4","1","5","7","1") = "6"
    & skf21("1","6","1","4","1","6","1","1") = "5"
    & skf21("1","6","1","4","1","6","2","1") = "5"
    & skf21("1","6","1","4","1","6","3","1") = "5"
    & skf21("1","6","1","4","1","6","4","1") = "5"
    & skf21("1","6","1","4","1","6","5","1") = "5"
    & skf21("1","6","1","4","1","6","6","1") = "5"
    & skf21("1","6","1","4","1","6","7","1") = "6"
    & skf21("1","6","1","4","1","7","1","1") = "6"
    & skf21("1","6","1","4","1","7","2","1") = "6"
    & skf21("1","6","1","4","1","7","3","1") = "6"
    & skf21("1","6","1","4","1","7","4","1") = "6"
    & skf21("1","6","1","4","1","7","5","1") = "6"
    & skf21("1","6","1","4","1","7","6","1") = "6"
    & skf21("1","6","1","4","1","7","7","1") = "6"
    & skf21("1","6","1","4","2","1","1","1") = "5"
    & skf21("1","6","1","4","2","1","2","1") = "5"
    & skf21("1","6","1","4","2","1","3","1") = "5"
    & skf21("1","6","1","4","2","1","4","1") = "5"
    & skf21("1","6","1","4","2","1","5","1") = "5"
    & skf21("1","6","1","4","2","1","6","1") = "5"
    & skf21("1","6","1","4","2","1","7","1") = "6"
    & skf21("1","6","1","4","2","2","1","1") = "5"
    & skf21("1","6","1","4","2","2","2","1") = "5"
    & skf21("1","6","1","4","2","2","3","1") = "5"
    & skf21("1","6","1","4","2","2","4","1") = "5"
    & skf21("1","6","1","4","2","2","5","1") = "5"
    & skf21("1","6","1","4","2","2","6","1") = "5"
    & skf21("1","6","1","4","2","2","7","1") = "6"
    & skf21("1","6","1","4","2","3","1","1") = "5"
    & skf21("1","6","1","4","2","3","2","1") = "5"
    & skf21("1","6","1","4","2","3","3","1") = "5"
    & skf21("1","6","1","4","2","3","4","1") = "5"
    & skf21("1","6","1","4","2","3","5","1") = "5"
    & skf21("1","6","1","4","2","3","6","1") = "5"
    & skf21("1","6","1","4","2","3","7","1") = "6"
    & skf21("1","6","1","4","2","4","1","1") = "5"
    & skf21("1","6","1","4","2","4","2","1") = "5"
    & skf21("1","6","1","4","2","4","3","1") = "5"
    & skf21("1","6","1","4","2","4","4","1") = "5"
    & skf21("1","6","1","4","2","4","5","1") = "5"
    & skf21("1","6","1","4","2","4","6","1") = "5"
    & skf21("1","6","1","4","2","4","7","1") = "6"
    & skf21("1","6","1","4","2","5","1","1") = "5"
    & skf21("1","6","1","4","2","5","2","1") = "5"
    & skf21("1","6","1","4","2","5","3","1") = "5"
    & skf21("1","6","1","4","2","5","4","1") = "5"
    & skf21("1","6","1","4","2","5","5","1") = "5"
    & skf21("1","6","1","4","2","5","6","1") = "5"
    & skf21("1","6","1","4","2","5","7","1") = "6"
    & skf21("1","6","1","4","2","6","1","1") = "5"
    & skf21("1","6","1","4","2","6","2","1") = "5"
    & skf21("1","6","1","4","2","6","3","1") = "5"
    & skf21("1","6","1","4","2","6","4","1") = "5"
    & skf21("1","6","1","4","2","6","5","1") = "5"
    & skf21("1","6","1","4","2","6","6","1") = "5"
    & skf21("1","6","1","4","2","6","7","1") = "6"
    & skf21("1","6","1","4","2","7","1","1") = "6"
    & skf21("1","6","1","4","2","7","2","1") = "6"
    & skf21("1","6","1","4","2","7","3","1") = "6"
    & skf21("1","6","1","4","2","7","4","1") = "6"
    & skf21("1","6","1","4","2","7","5","1") = "6"
    & skf21("1","6","1","4","2","7","6","1") = "6"
    & skf21("1","6","1","4","2","7","7","1") = "6"
    & skf21("1","6","1","4","3","1","1","1") = "5"
    & skf21("1","6","1","4","3","1","2","1") = "5"
    & skf21("1","6","1","4","3","1","3","1") = "5"
    & skf21("1","6","1","4","3","1","4","1") = "5"
    & skf21("1","6","1","4","3","1","5","1") = "5"
    & skf21("1","6","1","4","3","1","6","1") = "5"
    & skf21("1","6","1","4","3","1","7","1") = "6"
    & skf21("1","6","1","4","3","2","1","1") = "5"
    & skf21("1","6","1","4","3","2","2","1") = "5"
    & skf21("1","6","1","4","3","2","3","1") = "5"
    & skf21("1","6","1","4","3","2","4","1") = "5"
    & skf21("1","6","1","4","3","2","5","1") = "5"
    & skf21("1","6","1","4","3","2","6","1") = "5"
    & skf21("1","6","1","4","3","2","7","1") = "6"
    & skf21("1","6","1","4","3","3","1","1") = "5"
    & skf21("1","6","1","4","3","3","2","1") = "5"
    & skf21("1","6","1","4","3","3","3","1") = "5"
    & skf21("1","6","1","4","3","3","4","1") = "5"
    & skf21("1","6","1","4","3","3","5","1") = "5"
    & skf21("1","6","1","4","3","3","6","1") = "5"
    & skf21("1","6","1","4","3","3","7","1") = "6"
    & skf21("1","6","1","4","3","4","1","1") = "5"
    & skf21("1","6","1","4","3","4","2","1") = "5"
    & skf21("1","6","1","4","3","4","3","1") = "5"
    & skf21("1","6","1","4","3","4","4","1") = "5"
    & skf21("1","6","1","4","3","4","5","1") = "5"
    & skf21("1","6","1","4","3","4","6","1") = "5"
    & skf21("1","6","1","4","3","4","7","1") = "6"
    & skf21("1","6","1","4","3","5","1","1") = "5"
    & skf21("1","6","1","4","3","5","2","1") = "5"
    & skf21("1","6","1","4","3","5","3","1") = "5"
    & skf21("1","6","1","4","3","5","4","1") = "5"
    & skf21("1","6","1","4","3","5","5","1") = "5"
    & skf21("1","6","1","4","3","5","6","1") = "5"
    & skf21("1","6","1","4","3","5","7","1") = "6"
    & skf21("1","6","1","4","3","6","1","1") = "5"
    & skf21("1","6","1","4","3","6","2","1") = "5"
    & skf21("1","6","1","4","3","6","3","1") = "5"
    & skf21("1","6","1","4","3","6","4","1") = "5"
    & skf21("1","6","1","4","3","6","5","1") = "5"
    & skf21("1","6","1","4","3","6","6","1") = "5"
    & skf21("1","6","1","4","3","6","7","1") = "6"
    & skf21("1","6","1","4","3","7","1","1") = "6"
    & skf21("1","6","1","4","3","7","2","1") = "6"
    & skf21("1","6","1","4","3","7","3","1") = "6"
    & skf21("1","6","1","4","3","7","4","1") = "6"
    & skf21("1","6","1","4","3","7","5","1") = "6"
    & skf21("1","6","1","4","3","7","6","1") = "6"
    & skf21("1","6","1","4","3","7","7","1") = "6"
    & skf21("1","6","1","4","4","1","1","1") = "5"
    & skf21("1","6","1","4","4","1","2","1") = "5"
    & skf21("1","6","1","4","4","1","3","1") = "5"
    & skf21("1","6","1","4","4","1","4","1") = "5"
    & skf21("1","6","1","4","4","1","5","1") = "5"
    & skf21("1","6","1","4","4","1","6","1") = "5"
    & skf21("1","6","1","4","4","1","7","1") = "6"
    & skf21("1","6","1","4","4","2","1","1") = "5"
    & skf21("1","6","1","4","4","2","2","1") = "5"
    & skf21("1","6","1","4","4","2","3","1") = "5"
    & skf21("1","6","1","4","4","2","4","1") = "5"
    & skf21("1","6","1","4","4","2","5","1") = "5"
    & skf21("1","6","1","4","4","2","6","1") = "5"
    & skf21("1","6","1","4","4","2","7","1") = "6"
    & skf21("1","6","1","4","4","3","1","1") = "5"
    & skf21("1","6","1","4","4","3","2","1") = "5"
    & skf21("1","6","1","4","4","3","3","1") = "5"
    & skf21("1","6","1","4","4","3","4","1") = "5"
    & skf21("1","6","1","4","4","3","5","1") = "5"
    & skf21("1","6","1","4","4","3","6","1") = "5"
    & skf21("1","6","1","4","4","3","7","1") = "6"
    & skf21("1","6","1","4","4","4","1","1") = "5"
    & skf21("1","6","1","4","4","4","2","1") = "5"
    & skf21("1","6","1","4","4","4","3","1") = "5"
    & skf21("1","6","1","4","4","4","4","1") = "5"
    & skf21("1","6","1","4","4","4","5","1") = "5"
    & skf21("1","6","1","4","4","4","6","1") = "5"
    & skf21("1","6","1","4","4","4","7","1") = "6"
    & skf21("1","6","1","4","4","5","1","1") = "5"
    & skf21("1","6","1","4","4","5","2","1") = "5"
    & skf21("1","6","1","4","4","5","3","1") = "5"
    & skf21("1","6","1","4","4","5","4","1") = "5"
    & skf21("1","6","1","4","4","5","5","1") = "5"
    & skf21("1","6","1","4","4","5","6","1") = "5"
    & skf21("1","6","1","4","4","5","7","1") = "6"
    & skf21("1","6","1","4","4","6","1","1") = "5"
    & skf21("1","6","1","4","4","6","2","1") = "5"
    & skf21("1","6","1","4","4","6","3","1") = "5"
    & skf21("1","6","1","4","4","6","4","1") = "5"
    & skf21("1","6","1","4","4","6","5","1") = "5"
    & skf21("1","6","1","4","4","6","6","1") = "5"
    & skf21("1","6","1","4","4","6","7","1") = "6"
    & skf21("1","6","1","4","4","7","1","1") = "6"
    & skf21("1","6","1","4","4","7","2","1") = "6"
    & skf21("1","6","1","4","4","7","3","1") = "6"
    & skf21("1","6","1","4","4","7","4","1") = "6"
    & skf21("1","6","1","4","4","7","5","1") = "6"
    & skf21("1","6","1","4","4","7","6","1") = "6"
    & skf21("1","6","1","4","4","7","7","1") = "6"
    & skf21("1","6","1","4","5","1","1","1") = "5"
    & skf21("1","6","1","4","5","1","2","1") = "5"
    & skf21("1","6","1","4","5","1","3","1") = "5"
    & skf21("1","6","1","4","5","1","4","1") = "5"
    & skf21("1","6","1","4","5","1","5","1") = "5"
    & skf21("1","6","1","4","5","1","6","1") = "5"
    & skf21("1","6","1","4","5","1","7","1") = "6"
    & skf21("1","6","1","4","5","2","1","1") = "5"
    & skf21("1","6","1","4","5","2","2","1") = "5"
    & skf21("1","6","1","4","5","2","3","1") = "5"
    & skf21("1","6","1","4","5","2","4","1") = "5"
    & skf21("1","6","1","4","5","2","5","1") = "5"
    & skf21("1","6","1","4","5","2","6","1") = "5"
    & skf21("1","6","1","4","5","2","7","1") = "6"
    & skf21("1","6","1","4","5","3","1","1") = "5"
    & skf21("1","6","1","4","5","3","2","1") = "5"
    & skf21("1","6","1","4","5","3","3","1") = "5"
    & skf21("1","6","1","4","5","3","4","1") = "5"
    & skf21("1","6","1","4","5","3","5","1") = "5"
    & skf21("1","6","1","4","5","3","6","1") = "5"
    & skf21("1","6","1","4","5","3","7","1") = "6"
    & skf21("1","6","1","4","5","4","1","1") = "5"
    & skf21("1","6","1","4","5","4","2","1") = "5"
    & skf21("1","6","1","4","5","4","3","1") = "5"
    & skf21("1","6","1","4","5","4","4","1") = "5"
    & skf21("1","6","1","4","5","4","5","1") = "5"
    & skf21("1","6","1","4","5","4","6","1") = "5"
    & skf21("1","6","1","4","5","4","7","1") = "6"
    & skf21("1","6","1","4","5","5","1","1") = "5"
    & skf21("1","6","1","4","5","5","2","1") = "5"
    & skf21("1","6","1","4","5","5","3","1") = "5"
    & skf21("1","6","1","4","5","5","4","1") = "5"
    & skf21("1","6","1","4","5","5","5","1") = "5"
    & skf21("1","6","1","4","5","5","6","1") = "5"
    & skf21("1","6","1","4","5","5","7","1") = "6"
    & skf21("1","6","1","4","5","6","1","1") = "5"
    & skf21("1","6","1","4","5","6","2","1") = "5"
    & skf21("1","6","1","4","5","6","3","1") = "5"
    & skf21("1","6","1","4","5","6","4","1") = "5"
    & skf21("1","6","1","4","5","6","5","1") = "5"
    & skf21("1","6","1","4","5","6","6","1") = "5"
    & skf21("1","6","1","4","5","6","7","1") = "6"
    & skf21("1","6","1","4","5","7","1","1") = "6"
    & skf21("1","6","1","4","5","7","2","1") = "6"
    & skf21("1","6","1","4","5","7","3","1") = "6"
    & skf21("1","6","1","4","5","7","4","1") = "6"
    & skf21("1","6","1","4","5","7","5","1") = "6"
    & skf21("1","6","1","4","5","7","6","1") = "6"
    & skf21("1","6","1","4","5","7","7","1") = "6"
    & skf21("1","6","1","4","6","1","1","1") = "5"
    & skf21("1","6","1","4","6","1","2","1") = "5"
    & skf21("1","6","1","4","6","1","3","1") = "5"
    & skf21("1","6","1","4","6","1","4","1") = "5"
    & skf21("1","6","1","4","6","1","5","1") = "5"
    & skf21("1","6","1","4","6","1","6","1") = "5"
    & skf21("1","6","1","4","6","1","7","1") = "6"
    & skf21("1","6","1","4","6","2","1","1") = "5"
    & skf21("1","6","1","4","6","2","2","1") = "5"
    & skf21("1","6","1","4","6","2","3","1") = "5"
    & skf21("1","6","1","4","6","2","4","1") = "5"
    & skf21("1","6","1","4","6","2","5","1") = "5"
    & skf21("1","6","1","4","6","2","6","1") = "5"
    & skf21("1","6","1","4","6","2","7","1") = "6"
    & skf21("1","6","1","4","6","3","1","1") = "5"
    & skf21("1","6","1","4","6","3","2","1") = "5"
    & skf21("1","6","1","4","6","3","3","1") = "5"
    & skf21("1","6","1","4","6","3","4","1") = "5"
    & skf21("1","6","1","4","6","3","5","1") = "5"
    & skf21("1","6","1","4","6","3","6","1") = "5"
    & skf21("1","6","1","4","6","3","7","1") = "6"
    & skf21("1","6","1","4","6","4","1","1") = "5"
    & skf21("1","6","1","4","6","4","2","1") = "5"
    & skf21("1","6","1","4","6","4","3","1") = "5"
    & skf21("1","6","1","4","6","4","4","1") = "5"
    & skf21("1","6","1","4","6","4","5","1") = "5"
    & skf21("1","6","1","4","6","4","6","1") = "5"
    & skf21("1","6","1","4","6","4","7","1") = "6"
    & skf21("1","6","1","4","6","5","1","1") = "5"
    & skf21("1","6","1","4","6","5","2","1") = "5"
    & skf21("1","6","1","4","6","5","3","1") = "5"
    & skf21("1","6","1","4","6","5","4","1") = "5"
    & skf21("1","6","1","4","6","5","5","1") = "5"
    & skf21("1","6","1","4","6","5","6","1") = "5"
    & skf21("1","6","1","4","6","5","7","1") = "6"
    & skf21("1","6","1","4","6","6","1","1") = "5"
    & skf21("1","6","1","4","6","6","2","1") = "5"
    & skf21("1","6","1","4","6","6","3","1") = "5"
    & skf21("1","6","1","4","6","6","4","1") = "5"
    & skf21("1","6","1","4","6","6","5","1") = "5"
    & skf21("1","6","1","4","6","6","6","1") = "5"
    & skf21("1","6","1","4","6","6","7","1") = "6"
    & skf21("1","6","1","4","6","7","1","1") = "6"
    & skf21("1","6","1","4","6","7","2","1") = "6"
    & skf21("1","6","1","4","6","7","3","1") = "6"
    & skf21("1","6","1","4","6","7","4","1") = "6"
    & skf21("1","6","1","4","6","7","5","1") = "6"
    & skf21("1","6","1","4","6","7","6","1") = "6"
    & skf21("1","6","1","4","6","7","7","1") = "6"
    & skf21("1","6","1","4","7","1","1","1") = "6"
    & skf21("1","6","1","4","7","1","2","1") = "6"
    & skf21("1","6","1","4","7","1","3","1") = "6"
    & skf21("1","6","1","4","7","1","4","1") = "6"
    & skf21("1","6","1","4","7","1","5","1") = "6"
    & skf21("1","6","1","4","7","1","6","1") = "6"
    & skf21("1","6","1","4","7","1","7","1") = "6"
    & skf21("1","6","1","4","7","2","1","1") = "6"
    & skf21("1","6","1","4","7","2","2","1") = "6"
    & skf21("1","6","1","4","7","2","3","1") = "6"
    & skf21("1","6","1","4","7","2","4","1") = "6"
    & skf21("1","6","1","4","7","2","5","1") = "6"
    & skf21("1","6","1","4","7","2","6","1") = "6"
    & skf21("1","6","1","4","7","2","7","1") = "6"
    & skf21("1","6","1","4","7","3","1","1") = "6"
    & skf21("1","6","1","4","7","3","2","1") = "6"
    & skf21("1","6","1","4","7","3","3","1") = "6"
    & skf21("1","6","1","4","7","3","4","1") = "6"
    & skf21("1","6","1","4","7","3","5","1") = "6"
    & skf21("1","6","1","4","7","3","6","1") = "6"
    & skf21("1","6","1","4","7","3","7","1") = "6"
    & skf21("1","6","1","4","7","4","1","1") = "6"
    & skf21("1","6","1","4","7","4","2","1") = "6"
    & skf21("1","6","1","4","7","4","3","1") = "6"
    & skf21("1","6","1","4","7","4","4","1") = "6"
    & skf21("1","6","1","4","7","4","5","1") = "6"
    & skf21("1","6","1","4","7","4","6","1") = "6"
    & skf21("1","6","1","4","7","4","7","1") = "6"
    & skf21("1","6","1","4","7","5","1","1") = "6"
    & skf21("1","6","1","4","7","5","2","1") = "6"
    & skf21("1","6","1","4","7","5","3","1") = "6"
    & skf21("1","6","1","4","7","5","4","1") = "6"
    & skf21("1","6","1","4","7","5","5","1") = "6"
    & skf21("1","6","1","4","7","5","6","1") = "6"
    & skf21("1","6","1","4","7","5","7","1") = "6"
    & skf21("1","6","1","4","7","6","1","1") = "6"
    & skf21("1","6","1","4","7","6","2","1") = "6"
    & skf21("1","6","1","4","7","6","3","1") = "6"
    & skf21("1","6","1","4","7","6","4","1") = "6"
    & skf21("1","6","1","4","7","6","5","1") = "6"
    & skf21("1","6","1","4","7","6","6","1") = "6"
    & skf21("1","6","1","4","7","6","7","1") = "6"
    & skf21("1","6","1","4","7","7","1","1") = "6"
    & skf21("1","6","1","4","7","7","2","1") = "6"
    & skf21("1","6","1","4","7","7","3","1") = "6"
    & skf21("1","6","1","4","7","7","4","1") = "6"
    & skf21("1","6","1","4","7","7","5","1") = "6"
    & skf21("1","6","1","4","7","7","6","1") = "6"
    & skf21("1","6","1","4","7","7","7","1") = "6"
    & skf21("1","6","1","5","1","1","1","1") = "5"
    & skf21("1","6","1","5","1","1","2","1") = "5"
    & skf21("1","6","1","5","1","1","3","1") = "5"
    & skf21("1","6","1","5","1","1","4","1") = "5"
    & skf21("1","6","1","5","1","1","5","1") = "5"
    & skf21("1","6","1","5","1","1","6","1") = "5"
    & skf21("1","6","1","5","1","1","7","1") = "6"
    & skf21("1","6","1","5","1","2","1","1") = "5"
    & skf21("1","6","1","5","1","2","2","1") = "5"
    & skf21("1","6","1","5","1","2","3","1") = "5"
    & skf21("1","6","1","5","1","2","4","1") = "5"
    & skf21("1","6","1","5","1","2","5","1") = "5"
    & skf21("1","6","1","5","1","2","6","1") = "5"
    & skf21("1","6","1","5","1","2","7","1") = "6"
    & skf21("1","6","1","5","1","3","1","1") = "5"
    & skf21("1","6","1","5","1","3","2","1") = "5"
    & skf21("1","6","1","5","1","3","3","1") = "5"
    & skf21("1","6","1","5","1","3","4","1") = "5"
    & skf21("1","6","1","5","1","3","5","1") = "5"
    & skf21("1","6","1","5","1","3","6","1") = "5"
    & skf21("1","6","1","5","1","3","7","1") = "6"
    & skf21("1","6","1","5","1","4","1","1") = "5"
    & skf21("1","6","1","5","1","4","2","1") = "5"
    & skf21("1","6","1","5","1","4","3","1") = "5"
    & skf21("1","6","1","5","1","4","4","1") = "5"
    & skf21("1","6","1","5","1","4","5","1") = "5"
    & skf21("1","6","1","5","1","4","6","1") = "5"
    & skf21("1","6","1","5","1","4","7","1") = "6"
    & skf21("1","6","1","5","1","5","1","1") = "5"
    & skf21("1","6","1","5","1","5","2","1") = "5"
    & skf21("1","6","1","5","1","5","3","1") = "5"
    & skf21("1","6","1","5","1","5","4","1") = "5"
    & skf21("1","6","1","5","1","5","5","1") = "5"
    & skf21("1","6","1","5","1","5","6","1") = "5"
    & skf21("1","6","1","5","1","5","7","1") = "6"
    & skf21("1","6","1","5","1","6","1","1") = "5"
    & skf21("1","6","1","5","1","6","2","1") = "5"
    & skf21("1","6","1","5","1","6","3","1") = "5"
    & skf21("1","6","1","5","1","6","4","1") = "5"
    & skf21("1","6","1","5","1","6","5","1") = "5"
    & skf21("1","6","1","5","1","6","6","1") = "5"
    & skf21("1","6","1","5","1","6","7","1") = "6"
    & skf21("1","6","1","5","1","7","1","1") = "6"
    & skf21("1","6","1","5","1","7","2","1") = "6"
    & skf21("1","6","1","5","1","7","3","1") = "6"
    & skf21("1","6","1","5","1","7","4","1") = "6"
    & skf21("1","6","1","5","1","7","5","1") = "6"
    & skf21("1","6","1","5","1","7","6","1") = "6"
    & skf21("1","6","1","5","1","7","7","1") = "6"
    & skf21("1","6","1","5","2","1","1","1") = "5"
    & skf21("1","6","1","5","2","1","2","1") = "5"
    & skf21("1","6","1","5","2","1","3","1") = "5"
    & skf21("1","6","1","5","2","1","4","1") = "5"
    & skf21("1","6","1","5","2","1","5","1") = "5"
    & skf21("1","6","1","5","2","1","6","1") = "5"
    & skf21("1","6","1","5","2","1","7","1") = "6"
    & skf21("1","6","1","5","2","2","1","1") = "5"
    & skf21("1","6","1","5","2","2","2","1") = "5"
    & skf21("1","6","1","5","2","2","3","1") = "5"
    & skf21("1","6","1","5","2","2","4","1") = "5"
    & skf21("1","6","1","5","2","2","5","1") = "5"
    & skf21("1","6","1","5","2","2","6","1") = "5"
    & skf21("1","6","1","5","2","2","7","1") = "6"
    & skf21("1","6","1","5","2","3","1","1") = "5"
    & skf21("1","6","1","5","2","3","2","1") = "5"
    & skf21("1","6","1","5","2","3","3","1") = "5"
    & skf21("1","6","1","5","2","3","4","1") = "5"
    & skf21("1","6","1","5","2","3","5","1") = "5"
    & skf21("1","6","1","5","2","3","6","1") = "5"
    & skf21("1","6","1","5","2","3","7","1") = "6"
    & skf21("1","6","1","5","2","4","1","1") = "5"
    & skf21("1","6","1","5","2","4","2","1") = "5"
    & skf21("1","6","1","5","2","4","3","1") = "5"
    & skf21("1","6","1","5","2","4","4","1") = "5"
    & skf21("1","6","1","5","2","4","5","1") = "5"
    & skf21("1","6","1","5","2","4","6","1") = "5"
    & skf21("1","6","1","5","2","4","7","1") = "6"
    & skf21("1","6","1","5","2","5","1","1") = "5"
    & skf21("1","6","1","5","2","5","2","1") = "5"
    & skf21("1","6","1","5","2","5","3","1") = "5"
    & skf21("1","6","1","5","2","5","4","1") = "5"
    & skf21("1","6","1","5","2","5","5","1") = "5"
    & skf21("1","6","1","5","2","5","6","1") = "5"
    & skf21("1","6","1","5","2","5","7","1") = "6"
    & skf21("1","6","1","5","2","6","1","1") = "5"
    & skf21("1","6","1","5","2","6","2","1") = "5"
    & skf21("1","6","1","5","2","6","3","1") = "5"
    & skf21("1","6","1","5","2","6","4","1") = "5"
    & skf21("1","6","1","5","2","6","5","1") = "5"
    & skf21("1","6","1","5","2","6","6","1") = "5"
    & skf21("1","6","1","5","2","6","7","1") = "6"
    & skf21("1","6","1","5","2","7","1","1") = "6"
    & skf21("1","6","1","5","2","7","2","1") = "6"
    & skf21("1","6","1","5","2","7","3","1") = "6"
    & skf21("1","6","1","5","2","7","4","1") = "6"
    & skf21("1","6","1","5","2","7","5","1") = "6"
    & skf21("1","6","1","5","2","7","6","1") = "6"
    & skf21("1","6","1","5","2","7","7","1") = "6"
    & skf21("1","6","1","5","3","1","1","1") = "5"
    & skf21("1","6","1","5","3","1","2","1") = "5"
    & skf21("1","6","1","5","3","1","3","1") = "5"
    & skf21("1","6","1","5","3","1","4","1") = "5"
    & skf21("1","6","1","5","3","1","5","1") = "5"
    & skf21("1","6","1","5","3","1","6","1") = "5"
    & skf21("1","6","1","5","3","1","7","1") = "6"
    & skf21("1","6","1","5","3","2","1","1") = "5"
    & skf21("1","6","1","5","3","2","2","1") = "5"
    & skf21("1","6","1","5","3","2","3","1") = "5"
    & skf21("1","6","1","5","3","2","4","1") = "5"
    & skf21("1","6","1","5","3","2","5","1") = "5"
    & skf21("1","6","1","5","3","2","6","1") = "5"
    & skf21("1","6","1","5","3","2","7","1") = "6"
    & skf21("1","6","1","5","3","3","1","1") = "5"
    & skf21("1","6","1","5","3","3","2","1") = "5"
    & skf21("1","6","1","5","3","3","3","1") = "5"
    & skf21("1","6","1","5","3","3","4","1") = "5"
    & skf21("1","6","1","5","3","3","5","1") = "5"
    & skf21("1","6","1","5","3","3","6","1") = "5"
    & skf21("1","6","1","5","3","3","7","1") = "6"
    & skf21("1","6","1","5","3","4","1","1") = "5"
    & skf21("1","6","1","5","3","4","2","1") = "5"
    & skf21("1","6","1","5","3","4","3","1") = "5"
    & skf21("1","6","1","5","3","4","4","1") = "5"
    & skf21("1","6","1","5","3","4","5","1") = "5"
    & skf21("1","6","1","5","3","4","6","1") = "5"
    & skf21("1","6","1","5","3","4","7","1") = "6"
    & skf21("1","6","1","5","3","5","1","1") = "5"
    & skf21("1","6","1","5","3","5","2","1") = "5"
    & skf21("1","6","1","5","3","5","3","1") = "5"
    & skf21("1","6","1","5","3","5","4","1") = "5"
    & skf21("1","6","1","5","3","5","5","1") = "5"
    & skf21("1","6","1","5","3","5","6","1") = "5"
    & skf21("1","6","1","5","3","5","7","1") = "6"
    & skf21("1","6","1","5","3","6","1","1") = "5"
    & skf21("1","6","1","5","3","6","2","1") = "5"
    & skf21("1","6","1","5","3","6","3","1") = "5"
    & skf21("1","6","1","5","3","6","4","1") = "5"
    & skf21("1","6","1","5","3","6","5","1") = "5"
    & skf21("1","6","1","5","3","6","6","1") = "5"
    & skf21("1","6","1","5","3","6","7","1") = "6"
    & skf21("1","6","1","5","3","7","1","1") = "6"
    & skf21("1","6","1","5","3","7","2","1") = "6"
    & skf21("1","6","1","5","3","7","3","1") = "6"
    & skf21("1","6","1","5","3","7","4","1") = "6"
    & skf21("1","6","1","5","3","7","5","1") = "6"
    & skf21("1","6","1","5","3","7","6","1") = "6"
    & skf21("1","6","1","5","3","7","7","1") = "6"
    & skf21("1","6","1","5","4","1","1","1") = "5"
    & skf21("1","6","1","5","4","1","2","1") = "5"
    & skf21("1","6","1","5","4","1","3","1") = "5"
    & skf21("1","6","1","5","4","1","4","1") = "5"
    & skf21("1","6","1","5","4","1","5","1") = "5"
    & skf21("1","6","1","5","4","1","6","1") = "5"
    & skf21("1","6","1","5","4","1","7","1") = "6"
    & skf21("1","6","1","5","4","2","1","1") = "5"
    & skf21("1","6","1","5","4","2","2","1") = "5"
    & skf21("1","6","1","5","4","2","3","1") = "5"
    & skf21("1","6","1","5","4","2","4","1") = "5"
    & skf21("1","6","1","5","4","2","5","1") = "5"
    & skf21("1","6","1","5","4","2","6","1") = "5"
    & skf21("1","6","1","5","4","2","7","1") = "6"
    & skf21("1","6","1","5","4","3","1","1") = "5"
    & skf21("1","6","1","5","4","3","2","1") = "5"
    & skf21("1","6","1","5","4","3","3","1") = "5"
    & skf21("1","6","1","5","4","3","4","1") = "5"
    & skf21("1","6","1","5","4","3","5","1") = "5"
    & skf21("1","6","1","5","4","3","6","1") = "5"
    & skf21("1","6","1","5","4","3","7","1") = "6"
    & skf21("1","6","1","5","4","4","1","1") = "5"
    & skf21("1","6","1","5","4","4","2","1") = "5"
    & skf21("1","6","1","5","4","4","3","1") = "5"
    & skf21("1","6","1","5","4","4","4","1") = "5"
    & skf21("1","6","1","5","4","4","5","1") = "5"
    & skf21("1","6","1","5","4","4","6","1") = "5"
    & skf21("1","6","1","5","4","4","7","1") = "6"
    & skf21("1","6","1","5","4","5","1","1") = "5"
    & skf21("1","6","1","5","4","5","2","1") = "5"
    & skf21("1","6","1","5","4","5","3","1") = "5"
    & skf21("1","6","1","5","4","5","4","1") = "5"
    & skf21("1","6","1","5","4","5","5","1") = "5"
    & skf21("1","6","1","5","4","5","6","1") = "5"
    & skf21("1","6","1","5","4","5","7","1") = "6"
    & skf21("1","6","1","5","4","6","1","1") = "5"
    & skf21("1","6","1","5","4","6","2","1") = "5"
    & skf21("1","6","1","5","4","6","3","1") = "5"
    & skf21("1","6","1","5","4","6","4","1") = "5"
    & skf21("1","6","1","5","4","6","5","1") = "5"
    & skf21("1","6","1","5","4","6","6","1") = "5"
    & skf21("1","6","1","5","4","6","7","1") = "6"
    & skf21("1","6","1","5","4","7","1","1") = "6"
    & skf21("1","6","1","5","4","7","2","1") = "6"
    & skf21("1","6","1","5","4","7","3","1") = "6"
    & skf21("1","6","1","5","4","7","4","1") = "6"
    & skf21("1","6","1","5","4","7","5","1") = "6"
    & skf21("1","6","1","5","4","7","6","1") = "6"
    & skf21("1","6","1","5","4","7","7","1") = "6"
    & skf21("1","6","1","5","5","1","1","1") = "5"
    & skf21("1","6","1","5","5","1","2","1") = "5"
    & skf21("1","6","1","5","5","1","3","1") = "5"
    & skf21("1","6","1","5","5","1","4","1") = "5"
    & skf21("1","6","1","5","5","1","5","1") = "5"
    & skf21("1","6","1","5","5","1","6","1") = "5"
    & skf21("1","6","1","5","5","1","7","1") = "6"
    & skf21("1","6","1","5","5","2","1","1") = "5"
    & skf21("1","6","1","5","5","2","2","1") = "5"
    & skf21("1","6","1","5","5","2","3","1") = "5"
    & skf21("1","6","1","5","5","2","4","1") = "5"
    & skf21("1","6","1","5","5","2","5","1") = "5"
    & skf21("1","6","1","5","5","2","6","1") = "5"
    & skf21("1","6","1","5","5","2","7","1") = "6"
    & skf21("1","6","1","5","5","3","1","1") = "5"
    & skf21("1","6","1","5","5","3","2","1") = "5"
    & skf21("1","6","1","5","5","3","3","1") = "5"
    & skf21("1","6","1","5","5","3","4","1") = "5"
    & skf21("1","6","1","5","5","3","5","1") = "5"
    & skf21("1","6","1","5","5","3","6","1") = "5"
    & skf21("1","6","1","5","5","3","7","1") = "6"
    & skf21("1","6","1","5","5","4","1","1") = "5"
    & skf21("1","6","1","5","5","4","2","1") = "5"
    & skf21("1","6","1","5","5","4","3","1") = "5"
    & skf21("1","6","1","5","5","4","4","1") = "5"
    & skf21("1","6","1","5","5","4","5","1") = "5"
    & skf21("1","6","1","5","5","4","6","1") = "5"
    & skf21("1","6","1","5","5","4","7","1") = "6"
    & skf21("1","6","1","5","5","5","1","1") = "5"
    & skf21("1","6","1","5","5","5","2","1") = "5"
    & skf21("1","6","1","5","5","5","3","1") = "5"
    & skf21("1","6","1","5","5","5","4","1") = "5"
    & skf21("1","6","1","5","5","5","5","1") = "5"
    & skf21("1","6","1","5","5","5","6","1") = "5"
    & skf21("1","6","1","5","5","5","7","1") = "6"
    & skf21("1","6","1","5","5","6","1","1") = "5"
    & skf21("1","6","1","5","5","6","2","1") = "5"
    & skf21("1","6","1","5","5","6","3","1") = "5"
    & skf21("1","6","1","5","5","6","4","1") = "5"
    & skf21("1","6","1","5","5","6","5","1") = "5"
    & skf21("1","6","1","5","5","6","6","1") = "5"
    & skf21("1","6","1","5","5","6","7","1") = "6"
    & skf21("1","6","1","5","5","7","1","1") = "6"
    & skf21("1","6","1","5","5","7","2","1") = "6"
    & skf21("1","6","1","5","5","7","3","1") = "6"
    & skf21("1","6","1","5","5","7","4","1") = "6"
    & skf21("1","6","1","5","5","7","5","1") = "6"
    & skf21("1","6","1","5","5","7","6","1") = "6"
    & skf21("1","6","1","5","5","7","7","1") = "6"
    & skf21("1","6","1","5","6","1","1","1") = "5"
    & skf21("1","6","1","5","6","1","2","1") = "5"
    & skf21("1","6","1","5","6","1","3","1") = "5"
    & skf21("1","6","1","5","6","1","4","1") = "5"
    & skf21("1","6","1","5","6","1","5","1") = "5"
    & skf21("1","6","1","5","6","1","6","1") = "5"
    & skf21("1","6","1","5","6","1","7","1") = "6"
    & skf21("1","6","1","5","6","2","1","1") = "5"
    & skf21("1","6","1","5","6","2","2","1") = "5"
    & skf21("1","6","1","5","6","2","3","1") = "5"
    & skf21("1","6","1","5","6","2","4","1") = "5"
    & skf21("1","6","1","5","6","2","5","1") = "5"
    & skf21("1","6","1","5","6","2","6","1") = "5"
    & skf21("1","6","1","5","6","2","7","1") = "6"
    & skf21("1","6","1","5","6","3","1","1") = "5"
    & skf21("1","6","1","5","6","3","2","1") = "5"
    & skf21("1","6","1","5","6","3","3","1") = "5"
    & skf21("1","6","1","5","6","3","4","1") = "5"
    & skf21("1","6","1","5","6","3","5","1") = "5"
    & skf21("1","6","1","5","6","3","6","1") = "5"
    & skf21("1","6","1","5","6","3","7","1") = "6"
    & skf21("1","6","1","5","6","4","1","1") = "5"
    & skf21("1","6","1","5","6","4","2","1") = "5"
    & skf21("1","6","1","5","6","4","3","1") = "5"
    & skf21("1","6","1","5","6","4","4","1") = "5"
    & skf21("1","6","1","5","6","4","5","1") = "5"
    & skf21("1","6","1","5","6","4","6","1") = "5"
    & skf21("1","6","1","5","6","4","7","1") = "6"
    & skf21("1","6","1","5","6","5","1","1") = "5"
    & skf21("1","6","1","5","6","5","2","1") = "5"
    & skf21("1","6","1","5","6","5","3","1") = "5"
    & skf21("1","6","1","5","6","5","4","1") = "5"
    & skf21("1","6","1","5","6","5","5","1") = "5"
    & skf21("1","6","1","5","6","5","6","1") = "5"
    & skf21("1","6","1","5","6","5","7","1") = "6"
    & skf21("1","6","1","5","6","6","1","1") = "5"
    & skf21("1","6","1","5","6","6","2","1") = "5"
    & skf21("1","6","1","5","6","6","3","1") = "5"
    & skf21("1","6","1","5","6","6","4","1") = "5"
    & skf21("1","6","1","5","6","6","5","1") = "5"
    & skf21("1","6","1","5","6","6","6","1") = "5"
    & skf21("1","6","1","5","6","6","7","1") = "6"
    & skf21("1","6","1","5","6","7","1","1") = "6"
    & skf21("1","6","1","5","6","7","2","1") = "6"
    & skf21("1","6","1","5","6","7","3","1") = "6"
    & skf21("1","6","1","5","6","7","4","1") = "6"
    & skf21("1","6","1","5","6","7","5","1") = "6"
    & skf21("1","6","1","5","6","7","6","1") = "6"
    & skf21("1","6","1","5","6","7","7","1") = "6"
    & skf21("1","6","1","5","7","1","1","1") = "6"
    & skf21("1","6","1","5","7","1","2","1") = "6"
    & skf21("1","6","1","5","7","1","3","1") = "6"
    & skf21("1","6","1","5","7","1","4","1") = "6"
    & skf21("1","6","1","5","7","1","5","1") = "6"
    & skf21("1","6","1","5","7","1","6","1") = "6"
    & skf21("1","6","1","5","7","1","7","1") = "6"
    & skf21("1","6","1","5","7","2","1","1") = "6"
    & skf21("1","6","1","5","7","2","2","1") = "6"
    & skf21("1","6","1","5","7","2","3","1") = "6"
    & skf21("1","6","1","5","7","2","4","1") = "6"
    & skf21("1","6","1","5","7","2","5","1") = "6"
    & skf21("1","6","1","5","7","2","6","1") = "6"
    & skf21("1","6","1","5","7","2","7","1") = "6"
    & skf21("1","6","1","5","7","3","1","1") = "6"
    & skf21("1","6","1","5","7","3","2","1") = "6"
    & skf21("1","6","1","5","7","3","3","1") = "6"
    & skf21("1","6","1","5","7","3","4","1") = "6"
    & skf21("1","6","1","5","7","3","5","1") = "6"
    & skf21("1","6","1","5","7","3","6","1") = "6"
    & skf21("1","6","1","5","7","3","7","1") = "6"
    & skf21("1","6","1","5","7","4","1","1") = "6"
    & skf21("1","6","1","5","7","4","2","1") = "6"
    & skf21("1","6","1","5","7","4","3","1") = "6"
    & skf21("1","6","1","5","7","4","4","1") = "6"
    & skf21("1","6","1","5","7","4","5","1") = "6"
    & skf21("1","6","1","5","7","4","6","1") = "6"
    & skf21("1","6","1","5","7","4","7","1") = "6"
    & skf21("1","6","1","5","7","5","1","1") = "6"
    & skf21("1","6","1","5","7","5","2","1") = "6"
    & skf21("1","6","1","5","7","5","3","1") = "6"
    & skf21("1","6","1","5","7","5","4","1") = "6"
    & skf21("1","6","1","5","7","5","5","1") = "6"
    & skf21("1","6","1","5","7","5","6","1") = "6"
    & skf21("1","6","1","5","7","5","7","1") = "6"
    & skf21("1","6","1","5","7","6","1","1") = "6"
    & skf21("1","6","1","5","7","6","2","1") = "6"
    & skf21("1","6","1","5","7","6","3","1") = "6"
    & skf21("1","6","1","5","7","6","4","1") = "6"
    & skf21("1","6","1","5","7","6","5","1") = "6"
    & skf21("1","6","1","5","7","6","6","1") = "6"
    & skf21("1","6","1","5","7","6","7","1") = "6"
    & skf21("1","6","1","5","7","7","1","1") = "6"
    & skf21("1","6","1","5","7","7","2","1") = "6"
    & skf21("1","6","1","5","7","7","3","1") = "6"
    & skf21("1","6","1","5","7","7","4","1") = "6"
    & skf21("1","6","1","5","7","7","5","1") = "6"
    & skf21("1","6","1","5","7","7","6","1") = "6"
    & skf21("1","6","1","5","7","7","7","1") = "6"
    & skf21("1","6","1","6","1","1","1","1") = "5"
    & skf21("1","6","1","6","1","1","2","1") = "5"
    & skf21("1","6","1","6","1","1","3","1") = "5"
    & skf21("1","6","1","6","1","1","4","1") = "5"
    & skf21("1","6","1","6","1","1","5","1") = "5"
    & skf21("1","6","1","6","1","1","6","1") = "5"
    & skf21("1","6","1","6","1","1","7","1") = "6"
    & skf21("1","6","1","6","1","2","1","1") = "5"
    & skf21("1","6","1","6","1","2","2","1") = "5"
    & skf21("1","6","1","6","1","2","3","1") = "5"
    & skf21("1","6","1","6","1","2","4","1") = "5"
    & skf21("1","6","1","6","1","2","5","1") = "5"
    & skf21("1","6","1","6","1","2","6","1") = "5"
    & skf21("1","6","1","6","1","2","7","1") = "6"
    & skf21("1","6","1","6","1","3","1","1") = "5"
    & skf21("1","6","1","6","1","3","2","1") = "5"
    & skf21("1","6","1","6","1","3","3","1") = "5"
    & skf21("1","6","1","6","1","3","4","1") = "5"
    & skf21("1","6","1","6","1","3","5","1") = "5"
    & skf21("1","6","1","6","1","3","6","1") = "5"
    & skf21("1","6","1","6","1","3","7","1") = "6"
    & skf21("1","6","1","6","1","4","1","1") = "5"
    & skf21("1","6","1","6","1","4","2","1") = "5"
    & skf21("1","6","1","6","1","4","3","1") = "5"
    & skf21("1","6","1","6","1","4","4","1") = "5"
    & skf21("1","6","1","6","1","4","5","1") = "5"
    & skf21("1","6","1","6","1","4","6","1") = "5"
    & skf21("1","6","1","6","1","4","7","1") = "6"
    & skf21("1","6","1","6","1","5","1","1") = "5"
    & skf21("1","6","1","6","1","5","2","1") = "5"
    & skf21("1","6","1","6","1","5","3","1") = "5"
    & skf21("1","6","1","6","1","5","4","1") = "5"
    & skf21("1","6","1","6","1","5","5","1") = "5"
    & skf21("1","6","1","6","1","5","6","1") = "5"
    & skf21("1","6","1","6","1","5","7","1") = "6"
    & skf21("1","6","1","6","1","6","1","1") = "5"
    & skf21("1","6","1","6","1","6","2","1") = "5"
    & skf21("1","6","1","6","1","6","3","1") = "5"
    & skf21("1","6","1","6","1","6","4","1") = "5"
    & skf21("1","6","1","6","1","6","5","1") = "5"
    & skf21("1","6","1","6","1","6","6","1") = "5"
    & skf21("1","6","1","6","1","6","7","1") = "6"
    & skf21("1","6","1","6","1","7","1","1") = "6"
    & skf21("1","6","1","6","1","7","2","1") = "6"
    & skf21("1","6","1","6","1","7","3","1") = "6"
    & skf21("1","6","1","6","1","7","4","1") = "6"
    & skf21("1","6","1","6","1","7","5","1") = "6"
    & skf21("1","6","1","6","1","7","6","1") = "6"
    & skf21("1","6","1","6","1","7","7","1") = "6"
    & skf21("1","6","1","6","2","1","1","1") = "5"
    & skf21("1","6","1","6","2","1","2","1") = "5"
    & skf21("1","6","1","6","2","1","3","1") = "5"
    & skf21("1","6","1","6","2","1","4","1") = "5"
    & skf21("1","6","1","6","2","1","5","1") = "5"
    & skf21("1","6","1","6","2","1","6","1") = "5"
    & skf21("1","6","1","6","2","1","7","1") = "6"
    & skf21("1","6","1","6","2","2","1","1") = "5"
    & skf21("1","6","1","6","2","2","2","1") = "5"
    & skf21("1","6","1","6","2","2","3","1") = "5"
    & skf21("1","6","1","6","2","2","4","1") = "5"
    & skf21("1","6","1","6","2","2","5","1") = "5"
    & skf21("1","6","1","6","2","2","6","1") = "5"
    & skf21("1","6","1","6","2","2","7","1") = "6"
    & skf21("1","6","1","6","2","3","1","1") = "5"
    & skf21("1","6","1","6","2","3","2","1") = "5"
    & skf21("1","6","1","6","2","3","3","1") = "5"
    & skf21("1","6","1","6","2","3","4","1") = "5"
    & skf21("1","6","1","6","2","3","5","1") = "5"
    & skf21("1","6","1","6","2","3","6","1") = "5"
    & skf21("1","6","1","6","2","3","7","1") = "6"
    & skf21("1","6","1","6","2","4","1","1") = "5"
    & skf21("1","6","1","6","2","4","2","1") = "5"
    & skf21("1","6","1","6","2","4","3","1") = "5"
    & skf21("1","6","1","6","2","4","4","1") = "5"
    & skf21("1","6","1","6","2","4","5","1") = "5"
    & skf21("1","6","1","6","2","4","6","1") = "5"
    & skf21("1","6","1","6","2","4","7","1") = "6"
    & skf21("1","6","1","6","2","5","1","1") = "5"
    & skf21("1","6","1","6","2","5","2","1") = "5"
    & skf21("1","6","1","6","2","5","3","1") = "5"
    & skf21("1","6","1","6","2","5","4","1") = "5"
    & skf21("1","6","1","6","2","5","5","1") = "5"
    & skf21("1","6","1","6","2","5","6","1") = "5"
    & skf21("1","6","1","6","2","5","7","1") = "6"
    & skf21("1","6","1","6","2","6","1","1") = "5"
    & skf21("1","6","1","6","2","6","2","1") = "5"
    & skf21("1","6","1","6","2","6","3","1") = "5"
    & skf21("1","6","1","6","2","6","4","1") = "5"
    & skf21("1","6","1","6","2","6","5","1") = "5"
    & skf21("1","6","1","6","2","6","6","1") = "5"
    & skf21("1","6","1","6","2","6","7","1") = "6"
    & skf21("1","6","1","6","2","7","1","1") = "6"
    & skf21("1","6","1","6","2","7","2","1") = "6"
    & skf21("1","6","1","6","2","7","3","1") = "6"
    & skf21("1","6","1","6","2","7","4","1") = "6"
    & skf21("1","6","1","6","2","7","5","1") = "6"
    & skf21("1","6","1","6","2","7","6","1") = "6"
    & skf21("1","6","1","6","2","7","7","1") = "6"
    & skf21("1","6","1","6","3","1","1","1") = "5"
    & skf21("1","6","1","6","3","1","2","1") = "5"
    & skf21("1","6","1","6","3","1","3","1") = "5"
    & skf21("1","6","1","6","3","1","4","1") = "5"
    & skf21("1","6","1","6","3","1","5","1") = "5"
    & skf21("1","6","1","6","3","1","6","1") = "5"
    & skf21("1","6","1","6","3","1","7","1") = "6"
    & skf21("1","6","1","6","3","2","1","1") = "5"
    & skf21("1","6","1","6","3","2","2","1") = "5"
    & skf21("1","6","1","6","3","2","3","1") = "5"
    & skf21("1","6","1","6","3","2","4","1") = "5"
    & skf21("1","6","1","6","3","2","5","1") = "5"
    & skf21("1","6","1","6","3","2","6","1") = "5"
    & skf21("1","6","1","6","3","2","7","1") = "6"
    & skf21("1","6","1","6","3","3","1","1") = "5"
    & skf21("1","6","1","6","3","3","2","1") = "5"
    & skf21("1","6","1","6","3","3","3","1") = "5"
    & skf21("1","6","1","6","3","3","4","1") = "5"
    & skf21("1","6","1","6","3","3","5","1") = "5"
    & skf21("1","6","1","6","3","3","6","1") = "5"
    & skf21("1","6","1","6","3","3","7","1") = "6"
    & skf21("1","6","1","6","3","4","1","1") = "5"
    & skf21("1","6","1","6","3","4","2","1") = "5"
    & skf21("1","6","1","6","3","4","3","1") = "5"
    & skf21("1","6","1","6","3","4","4","1") = "5"
    & skf21("1","6","1","6","3","4","5","1") = "5"
    & skf21("1","6","1","6","3","4","6","1") = "5"
    & skf21("1","6","1","6","3","4","7","1") = "6"
    & skf21("1","6","1","6","3","5","1","1") = "5"
    & skf21("1","6","1","6","3","5","2","1") = "5"
    & skf21("1","6","1","6","3","5","3","1") = "5"
    & skf21("1","6","1","6","3","5","4","1") = "5"
    & skf21("1","6","1","6","3","5","5","1") = "5"
    & skf21("1","6","1","6","3","5","6","1") = "5"
    & skf21("1","6","1","6","3","5","7","1") = "6"
    & skf21("1","6","1","6","3","6","1","1") = "5"
    & skf21("1","6","1","6","3","6","2","1") = "5"
    & skf21("1","6","1","6","3","6","3","1") = "5"
    & skf21("1","6","1","6","3","6","4","1") = "5"
    & skf21("1","6","1","6","3","6","5","1") = "5"
    & skf21("1","6","1","6","3","6","6","1") = "5"
    & skf21("1","6","1","6","3","6","7","1") = "6"
    & skf21("1","6","1","6","3","7","1","1") = "6"
    & skf21("1","6","1","6","3","7","2","1") = "6"
    & skf21("1","6","1","6","3","7","3","1") = "6"
    & skf21("1","6","1","6","3","7","4","1") = "6"
    & skf21("1","6","1","6","3","7","5","1") = "6"
    & skf21("1","6","1","6","3","7","6","1") = "6"
    & skf21("1","6","1","6","3","7","7","1") = "6"
    & skf21("1","6","1","6","4","1","1","1") = "5"
    & skf21("1","6","1","6","4","1","2","1") = "5"
    & skf21("1","6","1","6","4","1","3","1") = "5"
    & skf21("1","6","1","6","4","1","4","1") = "5"
    & skf21("1","6","1","6","4","1","5","1") = "5"
    & skf21("1","6","1","6","4","1","6","1") = "5"
    & skf21("1","6","1","6","4","1","7","1") = "6"
    & skf21("1","6","1","6","4","2","1","1") = "5"
    & skf21("1","6","1","6","4","2","2","1") = "5"
    & skf21("1","6","1","6","4","2","3","1") = "5"
    & skf21("1","6","1","6","4","2","4","1") = "5"
    & skf21("1","6","1","6","4","2","5","1") = "5"
    & skf21("1","6","1","6","4","2","6","1") = "5"
    & skf21("1","6","1","6","4","2","7","1") = "6"
    & skf21("1","6","1","6","4","3","1","1") = "5"
    & skf21("1","6","1","6","4","3","2","1") = "5"
    & skf21("1","6","1","6","4","3","3","1") = "5"
    & skf21("1","6","1","6","4","3","4","1") = "5"
    & skf21("1","6","1","6","4","3","5","1") = "5"
    & skf21("1","6","1","6","4","3","6","1") = "5"
    & skf21("1","6","1","6","4","3","7","1") = "6"
    & skf21("1","6","1","6","4","4","1","1") = "5"
    & skf21("1","6","1","6","4","4","2","1") = "5"
    & skf21("1","6","1","6","4","4","3","1") = "5"
    & skf21("1","6","1","6","4","4","4","1") = "5"
    & skf21("1","6","1","6","4","4","5","1") = "5"
    & skf21("1","6","1","6","4","4","6","1") = "5"
    & skf21("1","6","1","6","4","4","7","1") = "6"
    & skf21("1","6","1","6","4","5","1","1") = "5"
    & skf21("1","6","1","6","4","5","2","1") = "5"
    & skf21("1","6","1","6","4","5","3","1") = "5"
    & skf21("1","6","1","6","4","5","4","1") = "5"
    & skf21("1","6","1","6","4","5","5","1") = "5"
    & skf21("1","6","1","6","4","5","6","1") = "5"
    & skf21("1","6","1","6","4","5","7","1") = "6"
    & skf21("1","6","1","6","4","6","1","1") = "5"
    & skf21("1","6","1","6","4","6","2","1") = "5"
    & skf21("1","6","1","6","4","6","3","1") = "5"
    & skf21("1","6","1","6","4","6","4","1") = "5"
    & skf21("1","6","1","6","4","6","5","1") = "5"
    & skf21("1","6","1","6","4","6","6","1") = "5"
    & skf21("1","6","1","6","4","6","7","1") = "6"
    & skf21("1","6","1","6","4","7","1","1") = "6"
    & skf21("1","6","1","6","4","7","2","1") = "6"
    & skf21("1","6","1","6","4","7","3","1") = "6"
    & skf21("1","6","1","6","4","7","4","1") = "6"
    & skf21("1","6","1","6","4","7","5","1") = "6"
    & skf21("1","6","1","6","4","7","6","1") = "6"
    & skf21("1","6","1","6","4","7","7","1") = "6"
    & skf21("1","6","1","6","5","1","1","1") = "5"
    & skf21("1","6","1","6","5","1","2","1") = "5"
    & skf21("1","6","1","6","5","1","3","1") = "5"
    & skf21("1","6","1","6","5","1","4","1") = "5"
    & skf21("1","6","1","6","5","1","5","1") = "5"
    & skf21("1","6","1","6","5","1","6","1") = "5"
    & skf21("1","6","1","6","5","1","7","1") = "6"
    & skf21("1","6","1","6","5","2","1","1") = "5"
    & skf21("1","6","1","6","5","2","2","1") = "5"
    & skf21("1","6","1","6","5","2","3","1") = "5"
    & skf21("1","6","1","6","5","2","4","1") = "5"
    & skf21("1","6","1","6","5","2","5","1") = "5"
    & skf21("1","6","1","6","5","2","6","1") = "5"
    & skf21("1","6","1","6","5","2","7","1") = "6"
    & skf21("1","6","1","6","5","3","1","1") = "5"
    & skf21("1","6","1","6","5","3","2","1") = "5"
    & skf21("1","6","1","6","5","3","3","1") = "5"
    & skf21("1","6","1","6","5","3","4","1") = "5"
    & skf21("1","6","1","6","5","3","5","1") = "5"
    & skf21("1","6","1","6","5","3","6","1") = "5"
    & skf21("1","6","1","6","5","3","7","1") = "6"
    & skf21("1","6","1","6","5","4","1","1") = "5"
    & skf21("1","6","1","6","5","4","2","1") = "5"
    & skf21("1","6","1","6","5","4","3","1") = "5"
    & skf21("1","6","1","6","5","4","4","1") = "5"
    & skf21("1","6","1","6","5","4","5","1") = "5"
    & skf21("1","6","1","6","5","4","6","1") = "5"
    & skf21("1","6","1","6","5","4","7","1") = "6"
    & skf21("1","6","1","6","5","5","1","1") = "5"
    & skf21("1","6","1","6","5","5","2","1") = "5"
    & skf21("1","6","1","6","5","5","3","1") = "5"
    & skf21("1","6","1","6","5","5","4","1") = "5"
    & skf21("1","6","1","6","5","5","5","1") = "5"
    & skf21("1","6","1","6","5","5","6","1") = "5"
    & skf21("1","6","1","6","5","5","7","1") = "6"
    & skf21("1","6","1","6","5","6","1","1") = "5"
    & skf21("1","6","1","6","5","6","2","1") = "5"
    & skf21("1","6","1","6","5","6","3","1") = "5"
    & skf21("1","6","1","6","5","6","4","1") = "5"
    & skf21("1","6","1","6","5","6","5","1") = "5"
    & skf21("1","6","1","6","5","6","6","1") = "5"
    & skf21("1","6","1","6","5","6","7","1") = "6"
    & skf21("1","6","1","6","5","7","1","1") = "6"
    & skf21("1","6","1","6","5","7","2","1") = "6"
    & skf21("1","6","1","6","5","7","3","1") = "6"
    & skf21("1","6","1","6","5","7","4","1") = "6"
    & skf21("1","6","1","6","5","7","5","1") = "6"
    & skf21("1","6","1","6","5","7","6","1") = "6"
    & skf21("1","6","1","6","5","7","7","1") = "6"
    & skf21("1","6","1","6","6","1","1","1") = "5"
    & skf21("1","6","1","6","6","1","2","1") = "5"
    & skf21("1","6","1","6","6","1","3","1") = "5"
    & skf21("1","6","1","6","6","1","4","1") = "5"
    & skf21("1","6","1","6","6","1","5","1") = "5"
    & skf21("1","6","1","6","6","1","6","1") = "5"
    & skf21("1","6","1","6","6","1","7","1") = "6"
    & skf21("1","6","1","6","6","2","1","1") = "5"
    & skf21("1","6","1","6","6","2","2","1") = "5"
    & skf21("1","6","1","6","6","2","3","1") = "5"
    & skf21("1","6","1","6","6","2","4","1") = "5"
    & skf21("1","6","1","6","6","2","5","1") = "5"
    & skf21("1","6","1","6","6","2","6","1") = "5"
    & skf21("1","6","1","6","6","2","7","1") = "6"
    & skf21("1","6","1","6","6","3","1","1") = "5"
    & skf21("1","6","1","6","6","3","2","1") = "5"
    & skf21("1","6","1","6","6","3","3","1") = "5"
    & skf21("1","6","1","6","6","3","4","1") = "5"
    & skf21("1","6","1","6","6","3","5","1") = "5"
    & skf21("1","6","1","6","6","3","6","1") = "5"
    & skf21("1","6","1","6","6","3","7","1") = "6"
    & skf21("1","6","1","6","6","4","1","1") = "5"
    & skf21("1","6","1","6","6","4","2","1") = "5"
    & skf21("1","6","1","6","6","4","3","1") = "5"
    & skf21("1","6","1","6","6","4","4","1") = "5"
    & skf21("1","6","1","6","6","4","5","1") = "5"
    & skf21("1","6","1","6","6","4","6","1") = "5"
    & skf21("1","6","1","6","6","4","7","1") = "6"
    & skf21("1","6","1","6","6","5","1","1") = "5"
    & skf21("1","6","1","6","6","5","2","1") = "5"
    & skf21("1","6","1","6","6","5","3","1") = "5"
    & skf21("1","6","1","6","6","5","4","1") = "5"
    & skf21("1","6","1","6","6","5","5","1") = "5"
    & skf21("1","6","1","6","6","5","6","1") = "5"
    & skf21("1","6","1","6","6","5","7","1") = "6"
    & skf21("1","6","1","6","6","6","1","1") = "5"
    & skf21("1","6","1","6","6","6","2","1") = "5"
    & skf21("1","6","1","6","6","6","3","1") = "5"
    & skf21("1","6","1","6","6","6","4","1") = "5"
    & skf21("1","6","1","6","6","6","5","1") = "5"
    & skf21("1","6","1","6","6","6","6","1") = "5"
    & skf21("1","6","1","6","6","6","7","1") = "6"
    & skf21("1","6","1","6","6","7","1","1") = "6"
    & skf21("1","6","1","6","6","7","2","1") = "6"
    & skf21("1","6","1","6","6","7","3","1") = "6"
    & skf21("1","6","1","6","6","7","4","1") = "6"
    & skf21("1","6","1","6","6","7","5","1") = "6"
    & skf21("1","6","1","6","6","7","6","1") = "6"
    & skf21("1","6","1","6","6","7","7","1") = "6"
    & skf21("1","6","1","6","7","1","1","1") = "6"
    & skf21("1","6","1","6","7","1","2","1") = "6"
    & skf21("1","6","1","6","7","1","3","1") = "6"
    & skf21("1","6","1","6","7","1","4","1") = "6"
    & skf21("1","6","1","6","7","1","5","1") = "6"
    & skf21("1","6","1","6","7","1","6","1") = "6"
    & skf21("1","6","1","6","7","1","7","1") = "6"
    & skf21("1","6","1","6","7","2","1","1") = "6"
    & skf21("1","6","1","6","7","2","2","1") = "6"
    & skf21("1","6","1","6","7","2","3","1") = "6"
    & skf21("1","6","1","6","7","2","4","1") = "6"
    & skf21("1","6","1","6","7","2","5","1") = "6"
    & skf21("1","6","1","6","7","2","6","1") = "6"
    & skf21("1","6","1","6","7","2","7","1") = "6"
    & skf21("1","6","1","6","7","3","1","1") = "6"
    & skf21("1","6","1","6","7","3","2","1") = "6"
    & skf21("1","6","1","6","7","3","3","1") = "6"
    & skf21("1","6","1","6","7","3","4","1") = "6"
    & skf21("1","6","1","6","7","3","5","1") = "6"
    & skf21("1","6","1","6","7","3","6","1") = "6"
    & skf21("1","6","1","6","7","3","7","1") = "6"
    & skf21("1","6","1","6","7","4","1","1") = "6"
    & skf21("1","6","1","6","7","4","2","1") = "6"
    & skf21("1","6","1","6","7","4","3","1") = "6"
    & skf21("1","6","1","6","7","4","4","1") = "6"
    & skf21("1","6","1","6","7","4","5","1") = "6"
    & skf21("1","6","1","6","7","4","6","1") = "6"
    & skf21("1","6","1","6","7","4","7","1") = "6"
    & skf21("1","6","1","6","7","5","1","1") = "6"
    & skf21("1","6","1","6","7","5","2","1") = "6"
    & skf21("1","6","1","6","7","5","3","1") = "6"
    & skf21("1","6","1","6","7","5","4","1") = "6"
    & skf21("1","6","1","6","7","5","5","1") = "6"
    & skf21("1","6","1","6","7","5","6","1") = "6"
    & skf21("1","6","1","6","7","5","7","1") = "6"
    & skf21("1","6","1","6","7","6","1","1") = "6"
    & skf21("1","6","1","6","7","6","2","1") = "6"
    & skf21("1","6","1","6","7","6","3","1") = "6"
    & skf21("1","6","1","6","7","6","4","1") = "6"
    & skf21("1","6","1","6","7","6","5","1") = "6"
    & skf21("1","6","1","6","7","6","6","1") = "6"
    & skf21("1","6","1","6","7","6","7","1") = "6"
    & skf21("1","6","1","6","7","7","1","1") = "6"
    & skf21("1","6","1","6","7","7","2","1") = "6"
    & skf21("1","6","1","6","7","7","3","1") = "6"
    & skf21("1","6","1","6","7","7","4","1") = "6"
    & skf21("1","6","1","6","7","7","5","1") = "6"
    & skf21("1","6","1","6","7","7","6","1") = "6"
    & skf21("1","6","1","6","7","7","7","1") = "6"
    & skf21("1","6","1","7","1","1","1","1") = "6"
    & skf21("1","6","1","7","1","1","2","1") = "6"
    & skf21("1","6","1","7","1","1","3","1") = "6"
    & skf21("1","6","1","7","1","1","4","1") = "6"
    & skf21("1","6","1","7","1","1","5","1") = "6"
    & skf21("1","6","1","7","1","1","6","1") = "6"
    & skf21("1","6","1","7","1","1","7","1") = "6"
    & skf21("1","6","1","7","1","2","1","1") = "6"
    & skf21("1","6","1","7","1","2","2","1") = "6"
    & skf21("1","6","1","7","1","2","3","1") = "6"
    & skf21("1","6","1","7","1","2","4","1") = "6"
    & skf21("1","6","1","7","1","2","5","1") = "6"
    & skf21("1","6","1","7","1","2","6","1") = "6"
    & skf21("1","6","1","7","1","2","7","1") = "6"
    & skf21("1","6","1","7","1","3","1","1") = "6"
    & skf21("1","6","1","7","1","3","2","1") = "6"
    & skf21("1","6","1","7","1","3","3","1") = "6"
    & skf21("1","6","1","7","1","3","4","1") = "6"
    & skf21("1","6","1","7","1","3","5","1") = "6"
    & skf21("1","6","1","7","1","3","6","1") = "6"
    & skf21("1","6","1","7","1","3","7","1") = "6"
    & skf21("1","6","1","7","1","4","1","1") = "6"
    & skf21("1","6","1","7","1","4","2","1") = "6"
    & skf21("1","6","1","7","1","4","3","1") = "6"
    & skf21("1","6","1","7","1","4","4","1") = "6"
    & skf21("1","6","1","7","1","4","5","1") = "6"
    & skf21("1","6","1","7","1","4","6","1") = "6"
    & skf21("1","6","1","7","1","4","7","1") = "6"
    & skf21("1","6","1","7","1","5","1","1") = "6"
    & skf21("1","6","1","7","1","5","2","1") = "6"
    & skf21("1","6","1","7","1","5","3","1") = "6"
    & skf21("1","6","1","7","1","5","4","1") = "6"
    & skf21("1","6","1","7","1","5","5","1") = "6"
    & skf21("1","6","1","7","1","5","6","1") = "6"
    & skf21("1","6","1","7","1","5","7","1") = "6"
    & skf21("1","6","1","7","1","6","1","1") = "6"
    & skf21("1","6","1","7","1","6","2","1") = "6"
    & skf21("1","6","1","7","1","6","3","1") = "6"
    & skf21("1","6","1","7","1","6","4","1") = "6"
    & skf21("1","6","1","7","1","6","5","1") = "6"
    & skf21("1","6","1","7","1","6","6","1") = "6"
    & skf21("1","6","1","7","1","6","7","1") = "6"
    & skf21("1","6","1","7","1","7","1","1") = "6"
    & skf21("1","6","1","7","1","7","2","1") = "6"
    & skf21("1","6","1","7","1","7","3","1") = "6"
    & skf21("1","6","1","7","1","7","4","1") = "6"
    & skf21("1","6","1","7","1","7","5","1") = "6"
    & skf21("1","6","1","7","1","7","6","1") = "6"
    & skf21("1","6","1","7","1","7","7","1") = "6"
    & skf21("1","6","1","7","2","1","1","1") = "6"
    & skf21("1","6","1","7","2","1","2","1") = "6"
    & skf21("1","6","1","7","2","1","3","1") = "6"
    & skf21("1","6","1","7","2","1","4","1") = "6"
    & skf21("1","6","1","7","2","1","5","1") = "6"
    & skf21("1","6","1","7","2","1","6","1") = "6"
    & skf21("1","6","1","7","2","1","7","1") = "6"
    & skf21("1","6","1","7","2","2","1","1") = "6"
    & skf21("1","6","1","7","2","2","2","1") = "6"
    & skf21("1","6","1","7","2","2","3","1") = "6"
    & skf21("1","6","1","7","2","2","4","1") = "6"
    & skf21("1","6","1","7","2","2","5","1") = "6"
    & skf21("1","6","1","7","2","2","6","1") = "6"
    & skf21("1","6","1","7","2","2","7","1") = "6"
    & skf21("1","6","1","7","2","3","1","1") = "6"
    & skf21("1","6","1","7","2","3","2","1") = "6"
    & skf21("1","6","1","7","2","3","3","1") = "6"
    & skf21("1","6","1","7","2","3","4","1") = "6"
    & skf21("1","6","1","7","2","3","5","1") = "6"
    & skf21("1","6","1","7","2","3","6","1") = "6"
    & skf21("1","6","1","7","2","3","7","1") = "6"
    & skf21("1","6","1","7","2","4","1","1") = "6"
    & skf21("1","6","1","7","2","4","2","1") = "6"
    & skf21("1","6","1","7","2","4","3","1") = "6"
    & skf21("1","6","1","7","2","4","4","1") = "6"
    & skf21("1","6","1","7","2","4","5","1") = "6"
    & skf21("1","6","1","7","2","4","6","1") = "6"
    & skf21("1","6","1","7","2","4","7","1") = "6"
    & skf21("1","6","1","7","2","5","1","1") = "6"
    & skf21("1","6","1","7","2","5","2","1") = "6"
    & skf21("1","6","1","7","2","5","3","1") = "6"
    & skf21("1","6","1","7","2","5","4","1") = "6"
    & skf21("1","6","1","7","2","5","5","1") = "6"
    & skf21("1","6","1","7","2","5","6","1") = "6"
    & skf21("1","6","1","7","2","5","7","1") = "6"
    & skf21("1","6","1","7","2","6","1","1") = "6"
    & skf21("1","6","1","7","2","6","2","1") = "6"
    & skf21("1","6","1","7","2","6","3","1") = "6"
    & skf21("1","6","1","7","2","6","4","1") = "6"
    & skf21("1","6","1","7","2","6","5","1") = "6"
    & skf21("1","6","1","7","2","6","6","1") = "6"
    & skf21("1","6","1","7","2","6","7","1") = "6"
    & skf21("1","6","1","7","2","7","1","1") = "6"
    & skf21("1","6","1","7","2","7","2","1") = "6"
    & skf21("1","6","1","7","2","7","3","1") = "6"
    & skf21("1","6","1","7","2","7","4","1") = "6"
    & skf21("1","6","1","7","2","7","5","1") = "6"
    & skf21("1","6","1","7","2","7","6","1") = "6"
    & skf21("1","6","1","7","2","7","7","1") = "6"
    & skf21("1","6","1","7","3","1","1","1") = "6"
    & skf21("1","6","1","7","3","1","2","1") = "6"
    & skf21("1","6","1","7","3","1","3","1") = "6"
    & skf21("1","6","1","7","3","1","4","1") = "6"
    & skf21("1","6","1","7","3","1","5","1") = "6"
    & skf21("1","6","1","7","3","1","6","1") = "6"
    & skf21("1","6","1","7","3","1","7","1") = "6"
    & skf21("1","6","1","7","3","2","1","1") = "6"
    & skf21("1","6","1","7","3","2","2","1") = "6"
    & skf21("1","6","1","7","3","2","3","1") = "6"
    & skf21("1","6","1","7","3","2","4","1") = "6"
    & skf21("1","6","1","7","3","2","5","1") = "6"
    & skf21("1","6","1","7","3","2","6","1") = "6"
    & skf21("1","6","1","7","3","2","7","1") = "6"
    & skf21("1","6","1","7","3","3","1","1") = "6"
    & skf21("1","6","1","7","3","3","2","1") = "6"
    & skf21("1","6","1","7","3","3","3","1") = "6"
    & skf21("1","6","1","7","3","3","4","1") = "6"
    & skf21("1","6","1","7","3","3","5","1") = "6"
    & skf21("1","6","1","7","3","3","6","1") = "6"
    & skf21("1","6","1","7","3","3","7","1") = "6"
    & skf21("1","6","1","7","3","4","1","1") = "6"
    & skf21("1","6","1","7","3","4","2","1") = "6"
    & skf21("1","6","1","7","3","4","3","1") = "6"
    & skf21("1","6","1","7","3","4","4","1") = "6"
    & skf21("1","6","1","7","3","4","5","1") = "6"
    & skf21("1","6","1","7","3","4","6","1") = "6"
    & skf21("1","6","1","7","3","4","7","1") = "6"
    & skf21("1","6","1","7","3","5","1","1") = "6"
    & skf21("1","6","1","7","3","5","2","1") = "6"
    & skf21("1","6","1","7","3","5","3","1") = "6"
    & skf21("1","6","1","7","3","5","4","1") = "6"
    & skf21("1","6","1","7","3","5","5","1") = "6"
    & skf21("1","6","1","7","3","5","6","1") = "6"
    & skf21("1","6","1","7","3","5","7","1") = "6"
    & skf21("1","6","1","7","3","6","1","1") = "6"
    & skf21("1","6","1","7","3","6","2","1") = "6"
    & skf21("1","6","1","7","3","6","3","1") = "6"
    & skf21("1","6","1","7","3","6","4","1") = "6"
    & skf21("1","6","1","7","3","6","5","1") = "6"
    & skf21("1","6","1","7","3","6","6","1") = "6"
    & skf21("1","6","1","7","3","6","7","1") = "6"
    & skf21("1","6","1","7","3","7","1","1") = "6"
    & skf21("1","6","1","7","3","7","2","1") = "6"
    & skf21("1","6","1","7","3","7","3","1") = "6"
    & skf21("1","6","1","7","3","7","4","1") = "6"
    & skf21("1","6","1","7","3","7","5","1") = "6"
    & skf21("1","6","1","7","3","7","6","1") = "6"
    & skf21("1","6","1","7","3","7","7","1") = "6"
    & skf21("1","6","1","7","4","1","1","1") = "6"
    & skf21("1","6","1","7","4","1","2","1") = "6"
    & skf21("1","6","1","7","4","1","3","1") = "6"
    & skf21("1","6","1","7","4","1","4","1") = "6"
    & skf21("1","6","1","7","4","1","5","1") = "6"
    & skf21("1","6","1","7","4","1","6","1") = "6"
    & skf21("1","6","1","7","4","1","7","1") = "6"
    & skf21("1","6","1","7","4","2","1","1") = "6"
    & skf21("1","6","1","7","4","2","2","1") = "6"
    & skf21("1","6","1","7","4","2","3","1") = "6"
    & skf21("1","6","1","7","4","2","4","1") = "6"
    & skf21("1","6","1","7","4","2","5","1") = "6"
    & skf21("1","6","1","7","4","2","6","1") = "6"
    & skf21("1","6","1","7","4","2","7","1") = "6"
    & skf21("1","6","1","7","4","3","1","1") = "6"
    & skf21("1","6","1","7","4","3","2","1") = "6"
    & skf21("1","6","1","7","4","3","3","1") = "6"
    & skf21("1","6","1","7","4","3","4","1") = "6"
    & skf21("1","6","1","7","4","3","5","1") = "6"
    & skf21("1","6","1","7","4","3","6","1") = "6"
    & skf21("1","6","1","7","4","3","7","1") = "6"
    & skf21("1","6","1","7","4","4","1","1") = "6"
    & skf21("1","6","1","7","4","4","2","1") = "6"
    & skf21("1","6","1","7","4","4","3","1") = "6"
    & skf21("1","6","1","7","4","4","4","1") = "6"
    & skf21("1","6","1","7","4","4","5","1") = "6"
    & skf21("1","6","1","7","4","4","6","1") = "6"
    & skf21("1","6","1","7","4","4","7","1") = "6"
    & skf21("1","6","1","7","4","5","1","1") = "6"
    & skf21("1","6","1","7","4","5","2","1") = "6"
    & skf21("1","6","1","7","4","5","3","1") = "6"
    & skf21("1","6","1","7","4","5","4","1") = "6"
    & skf21("1","6","1","7","4","5","5","1") = "6"
    & skf21("1","6","1","7","4","5","6","1") = "6"
    & skf21("1","6","1","7","4","5","7","1") = "6"
    & skf21("1","6","1","7","4","6","1","1") = "6"
    & skf21("1","6","1","7","4","6","2","1") = "6"
    & skf21("1","6","1","7","4","6","3","1") = "6"
    & skf21("1","6","1","7","4","6","4","1") = "6"
    & skf21("1","6","1","7","4","6","5","1") = "6"
    & skf21("1","6","1","7","4","6","6","1") = "6"
    & skf21("1","6","1","7","4","6","7","1") = "6"
    & skf21("1","6","1","7","4","7","1","1") = "6"
    & skf21("1","6","1","7","4","7","2","1") = "6"
    & skf21("1","6","1","7","4","7","3","1") = "6"
    & skf21("1","6","1","7","4","7","4","1") = "6"
    & skf21("1","6","1","7","4","7","5","1") = "6"
    & skf21("1","6","1","7","4","7","6","1") = "6"
    & skf21("1","6","1","7","4","7","7","1") = "6"
    & skf21("1","6","1","7","5","1","1","1") = "6"
    & skf21("1","6","1","7","5","1","2","1") = "6"
    & skf21("1","6","1","7","5","1","3","1") = "6"
    & skf21("1","6","1","7","5","1","4","1") = "6"
    & skf21("1","6","1","7","5","1","5","1") = "6"
    & skf21("1","6","1","7","5","1","6","1") = "6"
    & skf21("1","6","1","7","5","1","7","1") = "6"
    & skf21("1","6","1","7","5","2","1","1") = "6"
    & skf21("1","6","1","7","5","2","2","1") = "6"
    & skf21("1","6","1","7","5","2","3","1") = "6"
    & skf21("1","6","1","7","5","2","4","1") = "6"
    & skf21("1","6","1","7","5","2","5","1") = "6"
    & skf21("1","6","1","7","5","2","6","1") = "6"
    & skf21("1","6","1","7","5","2","7","1") = "6"
    & skf21("1","6","1","7","5","3","1","1") = "6"
    & skf21("1","6","1","7","5","3","2","1") = "6"
    & skf21("1","6","1","7","5","3","3","1") = "6"
    & skf21("1","6","1","7","5","3","4","1") = "6"
    & skf21("1","6","1","7","5","3","5","1") = "6"
    & skf21("1","6","1","7","5","3","6","1") = "6"
    & skf21("1","6","1","7","5","3","7","1") = "6"
    & skf21("1","6","1","7","5","4","1","1") = "6"
    & skf21("1","6","1","7","5","4","2","1") = "6"
    & skf21("1","6","1","7","5","4","3","1") = "6"
    & skf21("1","6","1","7","5","4","4","1") = "6"
    & skf21("1","6","1","7","5","4","5","1") = "6"
    & skf21("1","6","1","7","5","4","6","1") = "6"
    & skf21("1","6","1","7","5","4","7","1") = "6"
    & skf21("1","6","1","7","5","5","1","1") = "6"
    & skf21("1","6","1","7","5","5","2","1") = "6"
    & skf21("1","6","1","7","5","5","3","1") = "6"
    & skf21("1","6","1","7","5","5","4","1") = "6"
    & skf21("1","6","1","7","5","5","5","1") = "6"
    & skf21("1","6","1","7","5","5","6","1") = "6"
    & skf21("1","6","1","7","5","5","7","1") = "6"
    & skf21("1","6","1","7","5","6","1","1") = "6"
    & skf21("1","6","1","7","5","6","2","1") = "6"
    & skf21("1","6","1","7","5","6","3","1") = "6"
    & skf21("1","6","1","7","5","6","4","1") = "6"
    & skf21("1","6","1","7","5","6","5","1") = "6"
    & skf21("1","6","1","7","5","6","6","1") = "6"
    & skf21("1","6","1","7","5","6","7","1") = "6"
    & skf21("1","6","1","7","5","7","1","1") = "6"
    & skf21("1","6","1","7","5","7","2","1") = "6"
    & skf21("1","6","1","7","5","7","3","1") = "6"
    & skf21("1","6","1","7","5","7","4","1") = "6"
    & skf21("1","6","1","7","5","7","5","1") = "6"
    & skf21("1","6","1","7","5","7","6","1") = "6"
    & skf21("1","6","1","7","5","7","7","1") = "6"
    & skf21("1","6","1","7","6","1","1","1") = "6"
    & skf21("1","6","1","7","6","1","2","1") = "6"
    & skf21("1","6","1","7","6","1","3","1") = "6"
    & skf21("1","6","1","7","6","1","4","1") = "6"
    & skf21("1","6","1","7","6","1","5","1") = "6"
    & skf21("1","6","1","7","6","1","6","1") = "6"
    & skf21("1","6","1","7","6","1","7","1") = "6"
    & skf21("1","6","1","7","6","2","1","1") = "6"
    & skf21("1","6","1","7","6","2","2","1") = "6"
    & skf21("1","6","1","7","6","2","3","1") = "6"
    & skf21("1","6","1","7","6","2","4","1") = "6"
    & skf21("1","6","1","7","6","2","5","1") = "6"
    & skf21("1","6","1","7","6","2","6","1") = "6"
    & skf21("1","6","1","7","6","2","7","1") = "6"
    & skf21("1","6","1","7","6","3","1","1") = "6"
    & skf21("1","6","1","7","6","3","2","1") = "6"
    & skf21("1","6","1","7","6","3","3","1") = "6"
    & skf21("1","6","1","7","6","3","4","1") = "6"
    & skf21("1","6","1","7","6","3","5","1") = "6"
    & skf21("1","6","1","7","6","3","6","1") = "6"
    & skf21("1","6","1","7","6","3","7","1") = "6"
    & skf21("1","6","1","7","6","4","1","1") = "6"
    & skf21("1","6","1","7","6","4","2","1") = "6"
    & skf21("1","6","1","7","6","4","3","1") = "6"
    & skf21("1","6","1","7","6","4","4","1") = "6"
    & skf21("1","6","1","7","6","4","5","1") = "6"
    & skf21("1","6","1","7","6","4","6","1") = "6"
    & skf21("1","6","1","7","6","4","7","1") = "6"
    & skf21("1","6","1","7","6","5","1","1") = "6"
    & skf21("1","6","1","7","6","5","2","1") = "6"
    & skf21("1","6","1","7","6","5","3","1") = "6"
    & skf21("1","6","1","7","6","5","4","1") = "6"
    & skf21("1","6","1","7","6","5","5","1") = "6"
    & skf21("1","6","1","7","6","5","6","1") = "6"
    & skf21("1","6","1","7","6","5","7","1") = "6"
    & skf21("1","6","1","7","6","6","1","1") = "6"
    & skf21("1","6","1","7","6","6","2","1") = "6"
    & skf21("1","6","1","7","6","6","3","1") = "6"
    & skf21("1","6","1","7","6","6","4","1") = "6"
    & skf21("1","6","1","7","6","6","5","1") = "6"
    & skf21("1","6","1","7","6","6","6","1") = "6"
    & skf21("1","6","1","7","6","6","7","1") = "6"
    & skf21("1","6","1","7","6","7","1","1") = "6"
    & skf21("1","6","1","7","6","7","2","1") = "6"
    & skf21("1","6","1","7","6","7","3","1") = "6"
    & skf21("1","6","1","7","6","7","4","1") = "6"
    & skf21("1","6","1","7","6","7","5","1") = "6"
    & skf21("1","6","1","7","6","7","6","1") = "6"
    & skf21("1","6","1","7","6","7","7","1") = "6"
    & skf21("1","6","1","7","7","1","1","1") = "6"
    & skf21("1","6","1","7","7","1","2","1") = "6"
    & skf21("1","6","1","7","7","1","3","1") = "6"
    & skf21("1","6","1","7","7","1","4","1") = "6"
    & skf21("1","6","1","7","7","1","5","1") = "6"
    & skf21("1","6","1","7","7","1","6","1") = "6"
    & skf21("1","6","1","7","7","1","7","1") = "6"
    & skf21("1","6","1","7","7","2","1","1") = "6"
    & skf21("1","6","1","7","7","2","2","1") = "6"
    & skf21("1","6","1","7","7","2","3","1") = "6"
    & skf21("1","6","1","7","7","2","4","1") = "6"
    & skf21("1","6","1","7","7","2","5","1") = "6"
    & skf21("1","6","1","7","7","2","6","1") = "6"
    & skf21("1","6","1","7","7","2","7","1") = "6"
    & skf21("1","6","1","7","7","3","1","1") = "6"
    & skf21("1","6","1","7","7","3","2","1") = "6"
    & skf21("1","6","1","7","7","3","3","1") = "6"
    & skf21("1","6","1","7","7","3","4","1") = "6"
    & skf21("1","6","1","7","7","3","5","1") = "6"
    & skf21("1","6","1","7","7","3","6","1") = "6"
    & skf21("1","6","1","7","7","3","7","1") = "6"
    & skf21("1","6","1","7","7","4","1","1") = "6"
    & skf21("1","6","1","7","7","4","2","1") = "6"
    & skf21("1","6","1","7","7","4","3","1") = "6"
    & skf21("1","6","1","7","7","4","4","1") = "6"
    & skf21("1","6","1","7","7","4","5","1") = "6"
    & skf21("1","6","1","7","7","4","6","1") = "6"
    & skf21("1","6","1","7","7","4","7","1") = "6"
    & skf21("1","6","1","7","7","5","1","1") = "6"
    & skf21("1","6","1","7","7","5","2","1") = "6"
    & skf21("1","6","1","7","7","5","3","1") = "6"
    & skf21("1","6","1","7","7","5","4","1") = "6"
    & skf21("1","6","1","7","7","5","5","1") = "6"
    & skf21("1","6","1","7","7","5","6","1") = "6"
    & skf21("1","6","1","7","7","5","7","1") = "6"
    & skf21("1","6","1","7","7","6","1","1") = "6"
    & skf21("1","6","1","7","7","6","2","1") = "6"
    & skf21("1","6","1","7","7","6","3","1") = "6"
    & skf21("1","6","1","7","7","6","4","1") = "6"
    & skf21("1","6","1","7","7","6","5","1") = "6"
    & skf21("1","6","1","7","7","6","6","1") = "6"
    & skf21("1","6","1","7","7","6","7","1") = "6"
    & skf21("1","6","1","7","7","7","1","1") = "6"
    & skf21("1","6","1","7","7","7","2","1") = "6"
    & skf21("1","6","1","7","7","7","3","1") = "6"
    & skf21("1","6","1","7","7","7","4","1") = "6"
    & skf21("1","6","1","7","7","7","5","1") = "6"
    & skf21("1","6","1","7","7","7","6","1") = "6"
    & skf21("1","6","1","7","7","7","7","1") = "6"
    & skf21("1","6","2","1","1","1","1","1") = "5"
    & skf21("1","6","2","1","1","1","2","1") = "5"
    & skf21("1","6","2","1","1","1","3","1") = "5"
    & skf21("1","6","2","1","1","1","4","1") = "5"
    & skf21("1","6","2","1","1","1","5","1") = "5"
    & skf21("1","6","2","1","1","1","6","1") = "5"
    & skf21("1","6","2","1","1","1","7","1") = "6"
    & skf21("1","6","2","1","1","2","1","1") = "5"
    & skf21("1","6","2","1","1","2","2","1") = "5"
    & skf21("1","6","2","1","1","2","3","1") = "5"
    & skf21("1","6","2","1","1","2","4","1") = "5"
    & skf21("1","6","2","1","1","2","5","1") = "5"
    & skf21("1","6","2","1","1","2","6","1") = "5"
    & skf21("1","6","2","1","1","2","7","1") = "6"
    & skf21("1","6","2","1","1","3","1","1") = "5"
    & skf21("1","6","2","1","1","3","2","1") = "5"
    & skf21("1","6","2","1","1","3","3","1") = "5"
    & skf21("1","6","2","1","1","3","4","1") = "5"
    & skf21("1","6","2","1","1","3","5","1") = "5"
    & skf21("1","6","2","1","1","3","6","1") = "5"
    & skf21("1","6","2","1","1","3","7","1") = "6"
    & skf21("1","6","2","1","1","4","1","1") = "5"
    & skf21("1","6","2","1","1","4","2","1") = "5"
    & skf21("1","6","2","1","1","4","3","1") = "5"
    & skf21("1","6","2","1","1","4","4","1") = "5"
    & skf21("1","6","2","1","1","4","5","1") = "5"
    & skf21("1","6","2","1","1","4","6","1") = "5"
    & skf21("1","6","2","1","1","4","7","1") = "6"
    & skf21("1","6","2","1","1","5","1","1") = "5"
    & skf21("1","6","2","1","1","5","2","1") = "5"
    & skf21("1","6","2","1","1","5","3","1") = "5"
    & skf21("1","6","2","1","1","5","4","1") = "5"
    & skf21("1","6","2","1","1","5","5","1") = "5"
    & skf21("1","6","2","1","1","5","6","1") = "5"
    & skf21("1","6","2","1","1","5","7","1") = "6"
    & skf21("1","6","2","1","1","6","1","1") = "5"
    & skf21("1","6","2","1","1","6","2","1") = "5"
    & skf21("1","6","2","1","1","6","3","1") = "5"
    & skf21("1","6","2","1","1","6","4","1") = "5"
    & skf21("1","6","2","1","1","6","5","1") = "5"
    & skf21("1","6","2","1","1","6","6","1") = "5"
    & skf21("1","6","2","1","1","6","7","1") = "6"
    & skf21("1","6","2","1","1","7","1","1") = "6"
    & skf21("1","6","2","1","1","7","2","1") = "6"
    & skf21("1","6","2","1","1","7","3","1") = "6"
    & skf21("1","6","2","1","1","7","4","1") = "6"
    & skf21("1","6","2","1","1","7","5","1") = "6"
    & skf21("1","6","2","1","1","7","6","1") = "6"
    & skf21("1","6","2","1","1","7","7","1") = "6"
    & skf21("1","6","2","1","2","1","1","1") = "5"
    & skf21("1","6","2","1","2","1","2","1") = "5"
    & skf21("1","6","2","1","2","1","3","1") = "5"
    & skf21("1","6","2","1","2","1","4","1") = "5"
    & skf21("1","6","2","1","2","1","5","1") = "5"
    & skf21("1","6","2","1","2","1","6","1") = "5"
    & skf21("1","6","2","1","2","1","7","1") = "6"
    & skf21("1","6","2","1","2","2","1","1") = "5"
    & skf21("1","6","2","1","2","2","2","1") = "5"
    & skf21("1","6","2","1","2","2","3","1") = "5"
    & skf21("1","6","2","1","2","2","4","1") = "5"
    & skf21("1","6","2","1","2","2","5","1") = "5"
    & skf21("1","6","2","1","2","2","6","1") = "5"
    & skf21("1","6","2","1","2","2","7","1") = "6"
    & skf21("1","6","2","1","2","3","1","1") = "5"
    & skf21("1","6","2","1","2","3","2","1") = "5"
    & skf21("1","6","2","1","2","3","3","1") = "5"
    & skf21("1","6","2","1","2","3","4","1") = "5"
    & skf21("1","6","2","1","2","3","5","1") = "5"
    & skf21("1","6","2","1","2","3","6","1") = "5"
    & skf21("1","6","2","1","2","3","7","1") = "6"
    & skf21("1","6","2","1","2","4","1","1") = "5"
    & skf21("1","6","2","1","2","4","2","1") = "5"
    & skf21("1","6","2","1","2","4","3","1") = "5"
    & skf21("1","6","2","1","2","4","4","1") = "5"
    & skf21("1","6","2","1","2","4","5","1") = "5"
    & skf21("1","6","2","1","2","4","6","1") = "5"
    & skf21("1","6","2","1","2","4","7","1") = "6"
    & skf21("1","6","2","1","2","5","1","1") = "5"
    & skf21("1","6","2","1","2","5","2","1") = "5"
    & skf21("1","6","2","1","2","5","3","1") = "5"
    & skf21("1","6","2","1","2","5","4","1") = "5"
    & skf21("1","6","2","1","2","5","5","1") = "5"
    & skf21("1","6","2","1","2","5","6","1") = "5"
    & skf21("1","6","2","1","2","5","7","1") = "6"
    & skf21("1","6","2","1","2","6","1","1") = "5"
    & skf21("1","6","2","1","2","6","2","1") = "5"
    & skf21("1","6","2","1","2","6","3","1") = "5"
    & skf21("1","6","2","1","2","6","4","1") = "5"
    & skf21("1","6","2","1","2","6","5","1") = "5"
    & skf21("1","6","2","1","2","6","6","1") = "5"
    & skf21("1","6","2","1","2","6","7","1") = "6"
    & skf21("1","6","2","1","2","7","1","1") = "6"
    & skf21("1","6","2","1","2","7","2","1") = "6"
    & skf21("1","6","2","1","2","7","3","1") = "6"
    & skf21("1","6","2","1","2","7","4","1") = "6"
    & skf21("1","6","2","1","2","7","5","1") = "6"
    & skf21("1","6","2","1","2","7","6","1") = "6"
    & skf21("1","6","2","1","2","7","7","1") = "6"
    & skf21("1","6","2","1","3","1","1","1") = "5"
    & skf21("1","6","2","1","3","1","2","1") = "5"
    & skf21("1","6","2","1","3","1","3","1") = "5"
    & skf21("1","6","2","1","3","1","4","1") = "5"
    & skf21("1","6","2","1","3","1","5","1") = "5"
    & skf21("1","6","2","1","3","1","6","1") = "5"
    & skf21("1","6","2","1","3","1","7","1") = "6"
    & skf21("1","6","2","1","3","2","1","1") = "5"
    & skf21("1","6","2","1","3","2","2","1") = "5"
    & skf21("1","6","2","1","3","2","3","1") = "5"
    & skf21("1","6","2","1","3","2","4","1") = "5"
    & skf21("1","6","2","1","3","2","5","1") = "5"
    & skf21("1","6","2","1","3","2","6","1") = "5"
    & skf21("1","6","2","1","3","2","7","1") = "6"
    & skf21("1","6","2","1","3","3","1","1") = "5"
    & skf21("1","6","2","1","3","3","2","1") = "5"
    & skf21("1","6","2","1","3","3","3","1") = "5"
    & skf21("1","6","2","1","3","3","4","1") = "5"
    & skf21("1","6","2","1","3","3","5","1") = "5"
    & skf21("1","6","2","1","3","3","6","1") = "5"
    & skf21("1","6","2","1","3","3","7","1") = "6"
    & skf21("1","6","2","1","3","4","1","1") = "5"
    & skf21("1","6","2","1","3","4","2","1") = "5"
    & skf21("1","6","2","1","3","4","3","1") = "5"
    & skf21("1","6","2","1","3","4","4","1") = "5"
    & skf21("1","6","2","1","3","4","5","1") = "5"
    & skf21("1","6","2","1","3","4","6","1") = "5"
    & skf21("1","6","2","1","3","4","7","1") = "6"
    & skf21("1","6","2","1","3","5","1","1") = "5"
    & skf21("1","6","2","1","3","5","2","1") = "5"
    & skf21("1","6","2","1","3","5","3","1") = "5"
    & skf21("1","6","2","1","3","5","4","1") = "5"
    & skf21("1","6","2","1","3","5","5","1") = "5"
    & skf21("1","6","2","1","3","5","6","1") = "5"
    & skf21("1","6","2","1","3","5","7","1") = "6"
    & skf21("1","6","2","1","3","6","1","1") = "5"
    & skf21("1","6","2","1","3","6","2","1") = "5"
    & skf21("1","6","2","1","3","6","3","1") = "5"
    & skf21("1","6","2","1","3","6","4","1") = "5"
    & skf21("1","6","2","1","3","6","5","1") = "5"
    & skf21("1","6","2","1","3","6","6","1") = "5"
    & skf21("1","6","2","1","3","6","7","1") = "6"
    & skf21("1","6","2","1","3","7","1","1") = "6"
    & skf21("1","6","2","1","3","7","2","1") = "6"
    & skf21("1","6","2","1","3","7","3","1") = "6"
    & skf21("1","6","2","1","3","7","4","1") = "6"
    & skf21("1","6","2","1","3","7","5","1") = "6"
    & skf21("1","6","2","1","3","7","6","1") = "6"
    & skf21("1","6","2","1","3","7","7","1") = "6"
    & skf21("1","6","2","1","4","1","1","1") = "5"
    & skf21("1","6","2","1","4","1","2","1") = "5"
    & skf21("1","6","2","1","4","1","3","1") = "5"
    & skf21("1","6","2","1","4","1","4","1") = "5"
    & skf21("1","6","2","1","4","1","5","1") = "5"
    & skf21("1","6","2","1","4","1","6","1") = "5"
    & skf21("1","6","2","1","4","1","7","1") = "6"
    & skf21("1","6","2","1","4","2","1","1") = "5"
    & skf21("1","6","2","1","4","2","2","1") = "5"
    & skf21("1","6","2","1","4","2","3","1") = "5"
    & skf21("1","6","2","1","4","2","4","1") = "5"
    & skf21("1","6","2","1","4","2","5","1") = "5"
    & skf21("1","6","2","1","4","2","6","1") = "5"
    & skf21("1","6","2","1","4","2","7","1") = "6"
    & skf21("1","6","2","1","4","3","1","1") = "5"
    & skf21("1","6","2","1","4","3","2","1") = "5"
    & skf21("1","6","2","1","4","3","3","1") = "5"
    & skf21("1","6","2","1","4","3","4","1") = "5"
    & skf21("1","6","2","1","4","3","5","1") = "5"
    & skf21("1","6","2","1","4","3","6","1") = "5"
    & skf21("1","6","2","1","4","3","7","1") = "6"
    & skf21("1","6","2","1","4","4","1","1") = "5"
    & skf21("1","6","2","1","4","4","2","1") = "5"
    & skf21("1","6","2","1","4","4","3","1") = "5"
    & skf21("1","6","2","1","4","4","4","1") = "5"
    & skf21("1","6","2","1","4","4","5","1") = "5"
    & skf21("1","6","2","1","4","4","6","1") = "5"
    & skf21("1","6","2","1","4","4","7","1") = "6"
    & skf21("1","6","2","1","4","5","1","1") = "5"
    & skf21("1","6","2","1","4","5","2","1") = "5"
    & skf21("1","6","2","1","4","5","3","1") = "5"
    & skf21("1","6","2","1","4","5","4","1") = "5"
    & skf21("1","6","2","1","4","5","5","1") = "5"
    & skf21("1","6","2","1","4","5","6","1") = "5"
    & skf21("1","6","2","1","4","5","7","1") = "6"
    & skf21("1","6","2","1","4","6","1","1") = "5"
    & skf21("1","6","2","1","4","6","2","1") = "5"
    & skf21("1","6","2","1","4","6","3","1") = "5"
    & skf21("1","6","2","1","4","6","4","1") = "5"
    & skf21("1","6","2","1","4","6","5","1") = "5"
    & skf21("1","6","2","1","4","6","6","1") = "5"
    & skf21("1","6","2","1","4","6","7","1") = "6"
    & skf21("1","6","2","1","4","7","1","1") = "6"
    & skf21("1","6","2","1","4","7","2","1") = "6"
    & skf21("1","6","2","1","4","7","3","1") = "6"
    & skf21("1","6","2","1","4","7","4","1") = "6"
    & skf21("1","6","2","1","4","7","5","1") = "6"
    & skf21("1","6","2","1","4","7","6","1") = "6"
    & skf21("1","6","2","1","4","7","7","1") = "6"
    & skf21("1","6","2","1","5","1","1","1") = "5"
    & skf21("1","6","2","1","5","1","2","1") = "5"
    & skf21("1","6","2","1","5","1","3","1") = "5"
    & skf21("1","6","2","1","5","1","4","1") = "5"
    & skf21("1","6","2","1","5","1","5","1") = "5"
    & skf21("1","6","2","1","5","1","6","1") = "5"
    & skf21("1","6","2","1","5","1","7","1") = "6"
    & skf21("1","6","2","1","5","2","1","1") = "5"
    & skf21("1","6","2","1","5","2","2","1") = "5"
    & skf21("1","6","2","1","5","2","3","1") = "5"
    & skf21("1","6","2","1","5","2","4","1") = "5"
    & skf21("1","6","2","1","5","2","5","1") = "5"
    & skf21("1","6","2","1","5","2","6","1") = "5"
    & skf21("1","6","2","1","5","2","7","1") = "6"
    & skf21("1","6","2","1","5","3","1","1") = "5"
    & skf21("1","6","2","1","5","3","2","1") = "5"
    & skf21("1","6","2","1","5","3","3","1") = "5"
    & skf21("1","6","2","1","5","3","4","1") = "5"
    & skf21("1","6","2","1","5","3","5","1") = "5"
    & skf21("1","6","2","1","5","3","6","1") = "5"
    & skf21("1","6","2","1","5","3","7","1") = "6"
    & skf21("1","6","2","1","5","4","1","1") = "5"
    & skf21("1","6","2","1","5","4","2","1") = "5"
    & skf21("1","6","2","1","5","4","3","1") = "5"
    & skf21("1","6","2","1","5","4","4","1") = "5"
    & skf21("1","6","2","1","5","4","5","1") = "5"
    & skf21("1","6","2","1","5","4","6","1") = "5"
    & skf21("1","6","2","1","5","4","7","1") = "6"
    & skf21("1","6","2","1","5","5","1","1") = "5"
    & skf21("1","6","2","1","5","5","2","1") = "5"
    & skf21("1","6","2","1","5","5","3","1") = "5"
    & skf21("1","6","2","1","5","5","4","1") = "5"
    & skf21("1","6","2","1","5","5","5","1") = "5"
    & skf21("1","6","2","1","5","5","6","1") = "5"
    & skf21("1","6","2","1","5","5","7","1") = "6"
    & skf21("1","6","2","1","5","6","1","1") = "5"
    & skf21("1","6","2","1","5","6","2","1") = "5"
    & skf21("1","6","2","1","5","6","3","1") = "5"
    & skf21("1","6","2","1","5","6","4","1") = "5"
    & skf21("1","6","2","1","5","6","5","1") = "5"
    & skf21("1","6","2","1","5","6","6","1") = "5"
    & skf21("1","6","2","1","5","6","7","1") = "6"
    & skf21("1","6","2","1","5","7","1","1") = "6"
    & skf21("1","6","2","1","5","7","2","1") = "6"
    & skf21("1","6","2","1","5","7","3","1") = "6"
    & skf21("1","6","2","1","5","7","4","1") = "6"
    & skf21("1","6","2","1","5","7","5","1") = "6"
    & skf21("1","6","2","1","5","7","6","1") = "6"
    & skf21("1","6","2","1","5","7","7","1") = "6"
    & skf21("1","6","2","1","6","1","1","1") = "5"
    & skf21("1","6","2","1","6","1","2","1") = "5"
    & skf21("1","6","2","1","6","1","3","1") = "5"
    & skf21("1","6","2","1","6","1","4","1") = "5"
    & skf21("1","6","2","1","6","1","5","1") = "5"
    & skf21("1","6","2","1","6","1","6","1") = "5"
    & skf21("1","6","2","1","6","1","7","1") = "6"
    & skf21("1","6","2","1","6","2","1","1") = "5"
    & skf21("1","6","2","1","6","2","2","1") = "5"
    & skf21("1","6","2","1","6","2","3","1") = "5"
    & skf21("1","6","2","1","6","2","4","1") = "5"
    & skf21("1","6","2","1","6","2","5","1") = "5"
    & skf21("1","6","2","1","6","2","6","1") = "5"
    & skf21("1","6","2","1","6","2","7","1") = "6"
    & skf21("1","6","2","1","6","3","1","1") = "5"
    & skf21("1","6","2","1","6","3","2","1") = "5"
    & skf21("1","6","2","1","6","3","3","1") = "5"
    & skf21("1","6","2","1","6","3","4","1") = "5"
    & skf21("1","6","2","1","6","3","5","1") = "5"
    & skf21("1","6","2","1","6","3","6","1") = "5"
    & skf21("1","6","2","1","6","3","7","1") = "6"
    & skf21("1","6","2","1","6","4","1","1") = "5"
    & skf21("1","6","2","1","6","4","2","1") = "5"
    & skf21("1","6","2","1","6","4","3","1") = "5"
    & skf21("1","6","2","1","6","4","4","1") = "5"
    & skf21("1","6","2","1","6","4","5","1") = "5"
    & skf21("1","6","2","1","6","4","6","1") = "5"
    & skf21("1","6","2","1","6","4","7","1") = "6"
    & skf21("1","6","2","1","6","5","1","1") = "5"
    & skf21("1","6","2","1","6","5","2","1") = "5"
    & skf21("1","6","2","1","6","5","3","1") = "5"
    & skf21("1","6","2","1","6","5","4","1") = "5"
    & skf21("1","6","2","1","6","5","5","1") = "5"
    & skf21("1","6","2","1","6","5","6","1") = "5"
    & skf21("1","6","2","1","6","5","7","1") = "6"
    & skf21("1","6","2","1","6","6","1","1") = "5"
    & skf21("1","6","2","1","6","6","2","1") = "5"
    & skf21("1","6","2","1","6","6","3","1") = "5"
    & skf21("1","6","2","1","6","6","4","1") = "5"
    & skf21("1","6","2","1","6","6","5","1") = "5"
    & skf21("1","6","2","1","6","6","6","1") = "5"
    & skf21("1","6","2","1","6","6","7","1") = "6"
    & skf21("1","6","2","1","6","7","1","1") = "6"
    & skf21("1","6","2","1","6","7","2","1") = "6"
    & skf21("1","6","2","1","6","7","3","1") = "6"
    & skf21("1","6","2","1","6","7","4","1") = "6"
    & skf21("1","6","2","1","6","7","5","1") = "6"
    & skf21("1","6","2","1","6","7","6","1") = "6"
    & skf21("1","6","2","1","6","7","7","1") = "6"
    & skf21("1","6","2","1","7","1","1","1") = "6"
    & skf21("1","6","2","1","7","1","2","1") = "6"
    & skf21("1","6","2","1","7","1","3","1") = "6"
    & skf21("1","6","2","1","7","1","4","1") = "6"
    & skf21("1","6","2","1","7","1","5","1") = "6"
    & skf21("1","6","2","1","7","1","6","1") = "6"
    & skf21("1","6","2","1","7","1","7","1") = "6"
    & skf21("1","6","2","1","7","2","1","1") = "6"
    & skf21("1","6","2","1","7","2","2","1") = "6"
    & skf21("1","6","2","1","7","2","3","1") = "6"
    & skf21("1","6","2","1","7","2","4","1") = "6"
    & skf21("1","6","2","1","7","2","5","1") = "6"
    & skf21("1","6","2","1","7","2","6","1") = "6"
    & skf21("1","6","2","1","7","2","7","1") = "6"
    & skf21("1","6","2","1","7","3","1","1") = "6"
    & skf21("1","6","2","1","7","3","2","1") = "6"
    & skf21("1","6","2","1","7","3","3","1") = "6"
    & skf21("1","6","2","1","7","3","4","1") = "6"
    & skf21("1","6","2","1","7","3","5","1") = "6"
    & skf21("1","6","2","1","7","3","6","1") = "6"
    & skf21("1","6","2","1","7","3","7","1") = "6"
    & skf21("1","6","2","1","7","4","1","1") = "6"
    & skf21("1","6","2","1","7","4","2","1") = "6"
    & skf21("1","6","2","1","7","4","3","1") = "6"
    & skf21("1","6","2","1","7","4","4","1") = "6"
    & skf21("1","6","2","1","7","4","5","1") = "6"
    & skf21("1","6","2","1","7","4","6","1") = "6"
    & skf21("1","6","2","1","7","4","7","1") = "6"
    & skf21("1","6","2","1","7","5","1","1") = "6"
    & skf21("1","6","2","1","7","5","2","1") = "6"
    & skf21("1","6","2","1","7","5","3","1") = "6"
    & skf21("1","6","2","1","7","5","4","1") = "6"
    & skf21("1","6","2","1","7","5","5","1") = "6"
    & skf21("1","6","2","1","7","5","6","1") = "6"
    & skf21("1","6","2","1","7","5","7","1") = "6"
    & skf21("1","6","2","1","7","6","1","1") = "6"
    & skf21("1","6","2","1","7","6","2","1") = "6"
    & skf21("1","6","2","1","7","6","3","1") = "6"
    & skf21("1","6","2","1","7","6","4","1") = "6"
    & skf21("1","6","2","1","7","6","5","1") = "6"
    & skf21("1","6","2","1","7","6","6","1") = "6"
    & skf21("1","6","2","1","7","6","7","1") = "6"
    & skf21("1","6","2","1","7","7","1","1") = "6"
    & skf21("1","6","2","1","7","7","2","1") = "6"
    & skf21("1","6","2","1","7","7","3","1") = "6"
    & skf21("1","6","2","1","7","7","4","1") = "6"
    & skf21("1","6","2","1","7","7","5","1") = "6"
    & skf21("1","6","2","1","7","7","6","1") = "6"
    & skf21("1","6","2","1","7","7","7","1") = "6"
    & skf21("1","6","2","2","1","1","1","1") = "5"
    & skf21("1","6","2","2","1","1","2","1") = "5"
    & skf21("1","6","2","2","1","1","3","1") = "5"
    & skf21("1","6","2","2","1","1","4","1") = "5"
    & skf21("1","6","2","2","1","1","5","1") = "5"
    & skf21("1","6","2","2","1","1","6","1") = "5"
    & skf21("1","6","2","2","1","1","7","1") = "6"
    & skf21("1","6","2","2","1","2","1","1") = "5"
    & skf21("1","6","2","2","1","2","2","1") = "5"
    & skf21("1","6","2","2","1","2","3","1") = "5"
    & skf21("1","6","2","2","1","2","4","1") = "5"
    & skf21("1","6","2","2","1","2","5","1") = "5"
    & skf21("1","6","2","2","1","2","6","1") = "5"
    & skf21("1","6","2","2","1","2","7","1") = "6"
    & skf21("1","6","2","2","1","3","1","1") = "5"
    & skf21("1","6","2","2","1","3","2","1") = "5"
    & skf21("1","6","2","2","1","3","3","1") = "5"
    & skf21("1","6","2","2","1","3","4","1") = "5"
    & skf21("1","6","2","2","1","3","5","1") = "5"
    & skf21("1","6","2","2","1","3","6","1") = "5"
    & skf21("1","6","2","2","1","3","7","1") = "6"
    & skf21("1","6","2","2","1","4","1","1") = "5"
    & skf21("1","6","2","2","1","4","2","1") = "5"
    & skf21("1","6","2","2","1","4","3","1") = "5"
    & skf21("1","6","2","2","1","4","4","1") = "5"
    & skf21("1","6","2","2","1","4","5","1") = "5"
    & skf21("1","6","2","2","1","4","6","1") = "5"
    & skf21("1","6","2","2","1","4","7","1") = "6"
    & skf21("1","6","2","2","1","5","1","1") = "5"
    & skf21("1","6","2","2","1","5","2","1") = "5"
    & skf21("1","6","2","2","1","5","3","1") = "5"
    & skf21("1","6","2","2","1","5","4","1") = "5"
    & skf21("1","6","2","2","1","5","5","1") = "5"
    & skf21("1","6","2","2","1","5","6","1") = "5"
    & skf21("1","6","2","2","1","5","7","1") = "6"
    & skf21("1","6","2","2","1","6","1","1") = "5"
    & skf21("1","6","2","2","1","6","2","1") = "5"
    & skf21("1","6","2","2","1","6","3","1") = "5"
    & skf21("1","6","2","2","1","6","4","1") = "5"
    & skf21("1","6","2","2","1","6","5","1") = "5"
    & skf21("1","6","2","2","1","6","6","1") = "5"
    & skf21("1","6","2","2","1","6","7","1") = "6"
    & skf21("1","6","2","2","1","7","1","1") = "6"
    & skf21("1","6","2","2","1","7","2","1") = "6"
    & skf21("1","6","2","2","1","7","3","1") = "6"
    & skf21("1","6","2","2","1","7","4","1") = "6"
    & skf21("1","6","2","2","1","7","5","1") = "6"
    & skf21("1","6","2","2","1","7","6","1") = "6"
    & skf21("1","6","2","2","1","7","7","1") = "6"
    & skf21("1","6","2","2","2","1","1","1") = "5"
    & skf21("1","6","2","2","2","1","2","1") = "5"
    & skf21("1","6","2","2","2","1","3","1") = "5"
    & skf21("1","6","2","2","2","1","4","1") = "5"
    & skf21("1","6","2","2","2","1","5","1") = "5"
    & skf21("1","6","2","2","2","1","6","1") = "5"
    & skf21("1","6","2","2","2","1","7","1") = "6"
    & skf21("1","6","2","2","2","2","1","1") = "5"
    & skf21("1","6","2","2","2","2","2","1") = "5"
    & skf21("1","6","2","2","2","2","3","1") = "5"
    & skf21("1","6","2","2","2","2","4","1") = "5"
    & skf21("1","6","2","2","2","2","5","1") = "5"
    & skf21("1","6","2","2","2","2","6","1") = "5"
    & skf21("1","6","2","2","2","2","7","1") = "6"
    & skf21("1","6","2","2","2","3","1","1") = "5"
    & skf21("1","6","2","2","2","3","2","1") = "5"
    & skf21("1","6","2","2","2","3","3","1") = "5"
    & skf21("1","6","2","2","2","3","4","1") = "5"
    & skf21("1","6","2","2","2","3","5","1") = "5"
    & skf21("1","6","2","2","2","3","6","1") = "5"
    & skf21("1","6","2","2","2","3","7","1") = "6"
    & skf21("1","6","2","2","2","4","1","1") = "5"
    & skf21("1","6","2","2","2","4","2","1") = "5"
    & skf21("1","6","2","2","2","4","3","1") = "5"
    & skf21("1","6","2","2","2","4","4","1") = "5"
    & skf21("1","6","2","2","2","4","5","1") = "5"
    & skf21("1","6","2","2","2","4","6","1") = "5"
    & skf21("1","6","2","2","2","4","7","1") = "6"
    & skf21("1","6","2","2","2","5","1","1") = "5"
    & skf21("1","6","2","2","2","5","2","1") = "5"
    & skf21("1","6","2","2","2","5","3","1") = "5"
    & skf21("1","6","2","2","2","5","4","1") = "5"
    & skf21("1","6","2","2","2","5","5","1") = "5"
    & skf21("1","6","2","2","2","5","6","1") = "5"
    & skf21("1","6","2","2","2","5","7","1") = "6"
    & skf21("1","6","2","2","2","6","1","1") = "5"
    & skf21("1","6","2","2","2","6","2","1") = "5"
    & skf21("1","6","2","2","2","6","3","1") = "5"
    & skf21("1","6","2","2","2","6","4","1") = "5"
    & skf21("1","6","2","2","2","6","5","1") = "5"
    & skf21("1","6","2","2","2","6","6","1") = "5"
    & skf21("1","6","2","2","2","6","7","1") = "6"
    & skf21("1","6","2","2","2","7","1","1") = "6"
    & skf21("1","6","2","2","2","7","2","1") = "6"
    & skf21("1","6","2","2","2","7","3","1") = "6"
    & skf21("1","6","2","2","2","7","4","1") = "6"
    & skf21("1","6","2","2","2","7","5","1") = "6"
    & skf21("1","6","2","2","2","7","6","1") = "6"
    & skf21("1","6","2","2","2","7","7","1") = "6"
    & skf21("1","6","2","2","3","1","1","1") = "5"
    & skf21("1","6","2","2","3","1","2","1") = "5"
    & skf21("1","6","2","2","3","1","3","1") = "5"
    & skf21("1","6","2","2","3","1","4","1") = "5"
    & skf21("1","6","2","2","3","1","5","1") = "5"
    & skf21("1","6","2","2","3","1","6","1") = "5"
    & skf21("1","6","2","2","3","1","7","1") = "6"
    & skf21("1","6","2","2","3","2","1","1") = "5"
    & skf21("1","6","2","2","3","2","2","1") = "5"
    & skf21("1","6","2","2","3","2","3","1") = "5"
    & skf21("1","6","2","2","3","2","4","1") = "5"
    & skf21("1","6","2","2","3","2","5","1") = "5"
    & skf21("1","6","2","2","3","2","6","1") = "5"
    & skf21("1","6","2","2","3","2","7","1") = "6"
    & skf21("1","6","2","2","3","3","1","1") = "5"
    & skf21("1","6","2","2","3","3","2","1") = "5"
    & skf21("1","6","2","2","3","3","3","1") = "5"
    & skf21("1","6","2","2","3","3","4","1") = "5"
    & skf21("1","6","2","2","3","3","5","1") = "5"
    & skf21("1","6","2","2","3","3","6","1") = "5"
    & skf21("1","6","2","2","3","3","7","1") = "6"
    & skf21("1","6","2","2","3","4","1","1") = "5"
    & skf21("1","6","2","2","3","4","2","1") = "5"
    & skf21("1","6","2","2","3","4","3","1") = "5"
    & skf21("1","6","2","2","3","4","4","1") = "5"
    & skf21("1","6","2","2","3","4","5","1") = "5"
    & skf21("1","6","2","2","3","4","6","1") = "5"
    & skf21("1","6","2","2","3","4","7","1") = "6"
    & skf21("1","6","2","2","3","5","1","1") = "5"
    & skf21("1","6","2","2","3","5","2","1") = "5"
    & skf21("1","6","2","2","3","5","3","1") = "5"
    & skf21("1","6","2","2","3","5","4","1") = "5"
    & skf21("1","6","2","2","3","5","5","1") = "5"
    & skf21("1","6","2","2","3","5","6","1") = "5"
    & skf21("1","6","2","2","3","5","7","1") = "6"
    & skf21("1","6","2","2","3","6","1","1") = "5"
    & skf21("1","6","2","2","3","6","2","1") = "5"
    & skf21("1","6","2","2","3","6","3","1") = "5"
    & skf21("1","6","2","2","3","6","4","1") = "5"
    & skf21("1","6","2","2","3","6","5","1") = "5"
    & skf21("1","6","2","2","3","6","6","1") = "5"
    & skf21("1","6","2","2","3","6","7","1") = "6"
    & skf21("1","6","2","2","3","7","1","1") = "6"
    & skf21("1","6","2","2","3","7","2","1") = "6"
    & skf21("1","6","2","2","3","7","3","1") = "6"
    & skf21("1","6","2","2","3","7","4","1") = "6"
    & skf21("1","6","2","2","3","7","5","1") = "6"
    & skf21("1","6","2","2","3","7","6","1") = "6"
    & skf21("1","6","2","2","3","7","7","1") = "6"
    & skf21("1","6","2","2","4","1","1","1") = "5"
    & skf21("1","6","2","2","4","1","2","1") = "5"
    & skf21("1","6","2","2","4","1","3","1") = "5"
    & skf21("1","6","2","2","4","1","4","1") = "5"
    & skf21("1","6","2","2","4","1","5","1") = "5"
    & skf21("1","6","2","2","4","1","6","1") = "5"
    & skf21("1","6","2","2","4","1","7","1") = "6"
    & skf21("1","6","2","2","4","2","1","1") = "5"
    & skf21("1","6","2","2","4","2","2","1") = "5"
    & skf21("1","6","2","2","4","2","3","1") = "5"
    & skf21("1","6","2","2","4","2","4","1") = "5"
    & skf21("1","6","2","2","4","2","5","1") = "5"
    & skf21("1","6","2","2","4","2","6","1") = "5"
    & skf21("1","6","2","2","4","2","7","1") = "6"
    & skf21("1","6","2","2","4","3","1","1") = "5"
    & skf21("1","6","2","2","4","3","2","1") = "5"
    & skf21("1","6","2","2","4","3","3","1") = "5"
    & skf21("1","6","2","2","4","3","4","1") = "5"
    & skf21("1","6","2","2","4","3","5","1") = "5"
    & skf21("1","6","2","2","4","3","6","1") = "5"
    & skf21("1","6","2","2","4","3","7","1") = "6"
    & skf21("1","6","2","2","4","4","1","1") = "5"
    & skf21("1","6","2","2","4","4","2","1") = "5"
    & skf21("1","6","2","2","4","4","3","1") = "5"
    & skf21("1","6","2","2","4","4","4","1") = "5"
    & skf21("1","6","2","2","4","4","5","1") = "5"
    & skf21("1","6","2","2","4","4","6","1") = "5"
    & skf21("1","6","2","2","4","4","7","1") = "6"
    & skf21("1","6","2","2","4","5","1","1") = "5"
    & skf21("1","6","2","2","4","5","2","1") = "5"
    & skf21("1","6","2","2","4","5","3","1") = "5"
    & skf21("1","6","2","2","4","5","4","1") = "5"
    & skf21("1","6","2","2","4","5","5","1") = "5"
    & skf21("1","6","2","2","4","5","6","1") = "5"
    & skf21("1","6","2","2","4","5","7","1") = "6"
    & skf21("1","6","2","2","4","6","1","1") = "5"
    & skf21("1","6","2","2","4","6","2","1") = "5"
    & skf21("1","6","2","2","4","6","3","1") = "5"
    & skf21("1","6","2","2","4","6","4","1") = "5"
    & skf21("1","6","2","2","4","6","5","1") = "5"
    & skf21("1","6","2","2","4","6","6","1") = "5"
    & skf21("1","6","2","2","4","6","7","1") = "6"
    & skf21("1","6","2","2","4","7","1","1") = "6"
    & skf21("1","6","2","2","4","7","2","1") = "6"
    & skf21("1","6","2","2","4","7","3","1") = "6"
    & skf21("1","6","2","2","4","7","4","1") = "6"
    & skf21("1","6","2","2","4","7","5","1") = "6"
    & skf21("1","6","2","2","4","7","6","1") = "6"
    & skf21("1","6","2","2","4","7","7","1") = "6"
    & skf21("1","6","2","2","5","1","1","1") = "5"
    & skf21("1","6","2","2","5","1","2","1") = "5"
    & skf21("1","6","2","2","5","1","3","1") = "5"
    & skf21("1","6","2","2","5","1","4","1") = "5"
    & skf21("1","6","2","2","5","1","5","1") = "5"
    & skf21("1","6","2","2","5","1","6","1") = "5"
    & skf21("1","6","2","2","5","1","7","1") = "6"
    & skf21("1","6","2","2","5","2","1","1") = "5"
    & skf21("1","6","2","2","5","2","2","1") = "5"
    & skf21("1","6","2","2","5","2","3","1") = "5"
    & skf21("1","6","2","2","5","2","4","1") = "5"
    & skf21("1","6","2","2","5","2","5","1") = "5"
    & skf21("1","6","2","2","5","2","6","1") = "5"
    & skf21("1","6","2","2","5","2","7","1") = "6"
    & skf21("1","6","2","2","5","3","1","1") = "5"
    & skf21("1","6","2","2","5","3","2","1") = "5"
    & skf21("1","6","2","2","5","3","3","1") = "5"
    & skf21("1","6","2","2","5","3","4","1") = "5"
    & skf21("1","6","2","2","5","3","5","1") = "5"
    & skf21("1","6","2","2","5","3","6","1") = "5"
    & skf21("1","6","2","2","5","3","7","1") = "6"
    & skf21("1","6","2","2","5","4","1","1") = "5"
    & skf21("1","6","2","2","5","4","2","1") = "5"
    & skf21("1","6","2","2","5","4","3","1") = "5"
    & skf21("1","6","2","2","5","4","4","1") = "5"
    & skf21("1","6","2","2","5","4","5","1") = "5"
    & skf21("1","6","2","2","5","4","6","1") = "5"
    & skf21("1","6","2","2","5","4","7","1") = "6"
    & skf21("1","6","2","2","5","5","1","1") = "5"
    & skf21("1","6","2","2","5","5","2","1") = "5"
    & skf21("1","6","2","2","5","5","3","1") = "5"
    & skf21("1","6","2","2","5","5","4","1") = "5"
    & skf21("1","6","2","2","5","5","5","1") = "5"
    & skf21("1","6","2","2","5","5","6","1") = "5"
    & skf21("1","6","2","2","5","5","7","1") = "6"
    & skf21("1","6","2","2","5","6","1","1") = "5"
    & skf21("1","6","2","2","5","6","2","1") = "5"
    & skf21("1","6","2","2","5","6","3","1") = "5"
    & skf21("1","6","2","2","5","6","4","1") = "5"
    & skf21("1","6","2","2","5","6","5","1") = "5"
    & skf21("1","6","2","2","5","6","6","1") = "5"
    & skf21("1","6","2","2","5","6","7","1") = "6"
    & skf21("1","6","2","2","5","7","1","1") = "6"
    & skf21("1","6","2","2","5","7","2","1") = "6"
    & skf21("1","6","2","2","5","7","3","1") = "6"
    & skf21("1","6","2","2","5","7","4","1") = "6"
    & skf21("1","6","2","2","5","7","5","1") = "6"
    & skf21("1","6","2","2","5","7","6","1") = "6"
    & skf21("1","6","2","2","5","7","7","1") = "6"
    & skf21("1","6","2","2","6","1","1","1") = "5"
    & skf21("1","6","2","2","6","1","2","1") = "5"
    & skf21("1","6","2","2","6","1","3","1") = "5"
    & skf21("1","6","2","2","6","1","4","1") = "5"
    & skf21("1","6","2","2","6","1","5","1") = "5"
    & skf21("1","6","2","2","6","1","6","1") = "5"
    & skf21("1","6","2","2","6","1","7","1") = "6"
    & skf21("1","6","2","2","6","2","1","1") = "5"
    & skf21("1","6","2","2","6","2","2","1") = "5"
    & skf21("1","6","2","2","6","2","3","1") = "5"
    & skf21("1","6","2","2","6","2","4","1") = "5"
    & skf21("1","6","2","2","6","2","5","1") = "5"
    & skf21("1","6","2","2","6","2","6","1") = "5"
    & skf21("1","6","2","2","6","2","7","1") = "6"
    & skf21("1","6","2","2","6","3","1","1") = "5"
    & skf21("1","6","2","2","6","3","2","1") = "5"
    & skf21("1","6","2","2","6","3","3","1") = "5"
    & skf21("1","6","2","2","6","3","4","1") = "5"
    & skf21("1","6","2","2","6","3","5","1") = "5"
    & skf21("1","6","2","2","6","3","6","1") = "5"
    & skf21("1","6","2","2","6","3","7","1") = "6"
    & skf21("1","6","2","2","6","4","1","1") = "5"
    & skf21("1","6","2","2","6","4","2","1") = "5"
    & skf21("1","6","2","2","6","4","3","1") = "5"
    & skf21("1","6","2","2","6","4","4","1") = "5"
    & skf21("1","6","2","2","6","4","5","1") = "5"
    & skf21("1","6","2","2","6","4","6","1") = "5"
    & skf21("1","6","2","2","6","4","7","1") = "6"
    & skf21("1","6","2","2","6","5","1","1") = "5"
    & skf21("1","6","2","2","6","5","2","1") = "5"
    & skf21("1","6","2","2","6","5","3","1") = "5"
    & skf21("1","6","2","2","6","5","4","1") = "5"
    & skf21("1","6","2","2","6","5","5","1") = "5"
    & skf21("1","6","2","2","6","5","6","1") = "5"
    & skf21("1","6","2","2","6","5","7","1") = "6"
    & skf21("1","6","2","2","6","6","1","1") = "5"
    & skf21("1","6","2","2","6","6","2","1") = "5"
    & skf21("1","6","2","2","6","6","3","1") = "5"
    & skf21("1","6","2","2","6","6","4","1") = "5"
    & skf21("1","6","2","2","6","6","5","1") = "5"
    & skf21("1","6","2","2","6","6","6","1") = "5"
    & skf21("1","6","2","2","6","6","7","1") = "6"
    & skf21("1","6","2","2","6","7","1","1") = "6"
    & skf21("1","6","2","2","6","7","2","1") = "6"
    & skf21("1","6","2","2","6","7","3","1") = "6"
    & skf21("1","6","2","2","6","7","4","1") = "6"
    & skf21("1","6","2","2","6","7","5","1") = "6"
    & skf21("1","6","2","2","6","7","6","1") = "6"
    & skf21("1","6","2","2","6","7","7","1") = "6"
    & skf21("1","6","2","2","7","1","1","1") = "6"
    & skf21("1","6","2","2","7","1","2","1") = "6"
    & skf21("1","6","2","2","7","1","3","1") = "6"
    & skf21("1","6","2","2","7","1","4","1") = "6"
    & skf21("1","6","2","2","7","1","5","1") = "6"
    & skf21("1","6","2","2","7","1","6","1") = "6"
    & skf21("1","6","2","2","7","1","7","1") = "6"
    & skf21("1","6","2","2","7","2","1","1") = "6"
    & skf21("1","6","2","2","7","2","2","1") = "6"
    & skf21("1","6","2","2","7","2","3","1") = "6"
    & skf21("1","6","2","2","7","2","4","1") = "6"
    & skf21("1","6","2","2","7","2","5","1") = "6"
    & skf21("1","6","2","2","7","2","6","1") = "6"
    & skf21("1","6","2","2","7","2","7","1") = "6"
    & skf21("1","6","2","2","7","3","1","1") = "6"
    & skf21("1","6","2","2","7","3","2","1") = "6"
    & skf21("1","6","2","2","7","3","3","1") = "6"
    & skf21("1","6","2","2","7","3","4","1") = "6"
    & skf21("1","6","2","2","7","3","5","1") = "6"
    & skf21("1","6","2","2","7","3","6","1") = "6"
    & skf21("1","6","2","2","7","3","7","1") = "6"
    & skf21("1","6","2","2","7","4","1","1") = "6"
    & skf21("1","6","2","2","7","4","2","1") = "6"
    & skf21("1","6","2","2","7","4","3","1") = "6"
    & skf21("1","6","2","2","7","4","4","1") = "6"
    & skf21("1","6","2","2","7","4","5","1") = "6"
    & skf21("1","6","2","2","7","4","6","1") = "6"
    & skf21("1","6","2","2","7","4","7","1") = "6"
    & skf21("1","6","2","2","7","5","1","1") = "6"
    & skf21("1","6","2","2","7","5","2","1") = "6"
    & skf21("1","6","2","2","7","5","3","1") = "6"
    & skf21("1","6","2","2","7","5","4","1") = "6"
    & skf21("1","6","2","2","7","5","5","1") = "6"
    & skf21("1","6","2","2","7","5","6","1") = "6"
    & skf21("1","6","2","2","7","5","7","1") = "6"
    & skf21("1","6","2","2","7","6","1","1") = "6"
    & skf21("1","6","2","2","7","6","2","1") = "6"
    & skf21("1","6","2","2","7","6","3","1") = "6"
    & skf21("1","6","2","2","7","6","4","1") = "6"
    & skf21("1","6","2","2","7","6","5","1") = "6"
    & skf21("1","6","2","2","7","6","6","1") = "6"
    & skf21("1","6","2","2","7","6","7","1") = "6"
    & skf21("1","6","2","2","7","7","1","1") = "6"
    & skf21("1","6","2","2","7","7","2","1") = "6"
    & skf21("1","6","2","2","7","7","3","1") = "6"
    & skf21("1","6","2","2","7","7","4","1") = "6"
    & skf21("1","6","2","2","7","7","5","1") = "6"
    & skf21("1","6","2","2","7","7","6","1") = "6"
    & skf21("1","6","2","2","7","7","7","1") = "6"
    & skf21("1","6","2","3","1","1","1","1") = "5"
    & skf21("1","6","2","3","1","1","2","1") = "5"
    & skf21("1","6","2","3","1","1","3","1") = "5"
    & skf21("1","6","2","3","1","1","4","1") = "5"
    & skf21("1","6","2","3","1","1","5","1") = "5"
    & skf21("1","6","2","3","1","1","6","1") = "5"
    & skf21("1","6","2","3","1","1","7","1") = "6"
    & skf21("1","6","2","3","1","2","1","1") = "5"
    & skf21("1","6","2","3","1","2","2","1") = "5"
    & skf21("1","6","2","3","1","2","3","1") = "5"
    & skf21("1","6","2","3","1","2","4","1") = "5"
    & skf21("1","6","2","3","1","2","5","1") = "5"
    & skf21("1","6","2","3","1","2","6","1") = "5"
    & skf21("1","6","2","3","1","2","7","1") = "6"
    & skf21("1","6","2","3","1","3","1","1") = "5"
    & skf21("1","6","2","3","1","3","2","1") = "5"
    & skf21("1","6","2","3","1","3","3","1") = "5"
    & skf21("1","6","2","3","1","3","4","1") = "5"
    & skf21("1","6","2","3","1","3","5","1") = "5"
    & skf21("1","6","2","3","1","3","6","1") = "5"
    & skf21("1","6","2","3","1","3","7","1") = "6"
    & skf21("1","6","2","3","1","4","1","1") = "5"
    & skf21("1","6","2","3","1","4","2","1") = "5"
    & skf21("1","6","2","3","1","4","3","1") = "5"
    & skf21("1","6","2","3","1","4","4","1") = "5"
    & skf21("1","6","2","3","1","4","5","1") = "5"
    & skf21("1","6","2","3","1","4","6","1") = "5"
    & skf21("1","6","2","3","1","4","7","1") = "6"
    & skf21("1","6","2","3","1","5","1","1") = "5"
    & skf21("1","6","2","3","1","5","2","1") = "5"
    & skf21("1","6","2","3","1","5","3","1") = "5"
    & skf21("1","6","2","3","1","5","4","1") = "5"
    & skf21("1","6","2","3","1","5","5","1") = "5"
    & skf21("1","6","2","3","1","5","6","1") = "5"
    & skf21("1","6","2","3","1","5","7","1") = "6"
    & skf21("1","6","2","3","1","6","1","1") = "5"
    & skf21("1","6","2","3","1","6","2","1") = "5"
    & skf21("1","6","2","3","1","6","3","1") = "5"
    & skf21("1","6","2","3","1","6","4","1") = "5"
    & skf21("1","6","2","3","1","6","5","1") = "5"
    & skf21("1","6","2","3","1","6","6","1") = "5"
    & skf21("1","6","2","3","1","6","7","1") = "6"
    & skf21("1","6","2","3","1","7","1","1") = "6"
    & skf21("1","6","2","3","1","7","2","1") = "6"
    & skf21("1","6","2","3","1","7","3","1") = "6"
    & skf21("1","6","2","3","1","7","4","1") = "6"
    & skf21("1","6","2","3","1","7","5","1") = "6"
    & skf21("1","6","2","3","1","7","6","1") = "6"
    & skf21("1","6","2","3","1","7","7","1") = "6"
    & skf21("1","6","2","3","2","1","1","1") = "5"
    & skf21("1","6","2","3","2","1","2","1") = "5"
    & skf21("1","6","2","3","2","1","3","1") = "5"
    & skf21("1","6","2","3","2","1","4","1") = "5"
    & skf21("1","6","2","3","2","1","5","1") = "5"
    & skf21("1","6","2","3","2","1","6","1") = "5"
    & skf21("1","6","2","3","2","1","7","1") = "6"
    & skf21("1","6","2","3","2","2","1","1") = "5"
    & skf21("1","6","2","3","2","2","2","1") = "5"
    & skf21("1","6","2","3","2","2","3","1") = "5"
    & skf21("1","6","2","3","2","2","4","1") = "5"
    & skf21("1","6","2","3","2","2","5","1") = "5"
    & skf21("1","6","2","3","2","2","6","1") = "5"
    & skf21("1","6","2","3","2","2","7","1") = "6"
    & skf21("1","6","2","3","2","3","1","1") = "5"
    & skf21("1","6","2","3","2","3","2","1") = "5"
    & skf21("1","6","2","3","2","3","3","1") = "5"
    & skf21("1","6","2","3","2","3","4","1") = "5"
    & skf21("1","6","2","3","2","3","5","1") = "5"
    & skf21("1","6","2","3","2","3","6","1") = "5"
    & skf21("1","6","2","3","2","3","7","1") = "6"
    & skf21("1","6","2","3","2","4","1","1") = "5"
    & skf21("1","6","2","3","2","4","2","1") = "5"
    & skf21("1","6","2","3","2","4","3","1") = "5"
    & skf21("1","6","2","3","2","4","4","1") = "5"
    & skf21("1","6","2","3","2","4","5","1") = "5"
    & skf21("1","6","2","3","2","4","6","1") = "5"
    & skf21("1","6","2","3","2","4","7","1") = "6"
    & skf21("1","6","2","3","2","5","1","1") = "5"
    & skf21("1","6","2","3","2","5","2","1") = "5"
    & skf21("1","6","2","3","2","5","3","1") = "5"
    & skf21("1","6","2","3","2","5","4","1") = "5"
    & skf21("1","6","2","3","2","5","5","1") = "5"
    & skf21("1","6","2","3","2","5","6","1") = "5"
    & skf21("1","6","2","3","2","5","7","1") = "6"
    & skf21("1","6","2","3","2","6","1","1") = "5"
    & skf21("1","6","2","3","2","6","2","1") = "5"
    & skf21("1","6","2","3","2","6","3","1") = "5"
    & skf21("1","6","2","3","2","6","4","1") = "5"
    & skf21("1","6","2","3","2","6","5","1") = "5"
    & skf21("1","6","2","3","2","6","6","1") = "5"
    & skf21("1","6","2","3","2","6","7","1") = "6"
    & skf21("1","6","2","3","2","7","1","1") = "6"
    & skf21("1","6","2","3","2","7","2","1") = "6"
    & skf21("1","6","2","3","2","7","3","1") = "6"
    & skf21("1","6","2","3","2","7","4","1") = "6"
    & skf21("1","6","2","3","2","7","5","1") = "6"
    & skf21("1","6","2","3","2","7","6","1") = "6"
    & skf21("1","6","2","3","2","7","7","1") = "6"
    & skf21("1","6","2","3","3","1","1","1") = "5"
    & skf21("1","6","2","3","3","1","2","1") = "5"
    & skf21("1","6","2","3","3","1","3","1") = "5"
    & skf21("1","6","2","3","3","1","4","1") = "5"
    & skf21("1","6","2","3","3","1","5","1") = "5"
    & skf21("1","6","2","3","3","1","6","1") = "5"
    & skf21("1","6","2","3","3","1","7","1") = "6"
    & skf21("1","6","2","3","3","2","1","1") = "5"
    & skf21("1","6","2","3","3","2","2","1") = "5"
    & skf21("1","6","2","3","3","2","3","1") = "5"
    & skf21("1","6","2","3","3","2","4","1") = "5"
    & skf21("1","6","2","3","3","2","5","1") = "5"
    & skf21("1","6","2","3","3","2","6","1") = "5"
    & skf21("1","6","2","3","3","2","7","1") = "6"
    & skf21("1","6","2","3","3","3","1","1") = "5"
    & skf21("1","6","2","3","3","3","2","1") = "5"
    & skf21("1","6","2","3","3","3","3","1") = "5"
    & skf21("1","6","2","3","3","3","4","1") = "5"
    & skf21("1","6","2","3","3","3","5","1") = "5"
    & skf21("1","6","2","3","3","3","6","1") = "5"
    & skf21("1","6","2","3","3","3","7","1") = "6"
    & skf21("1","6","2","3","3","4","1","1") = "5"
    & skf21("1","6","2","3","3","4","2","1") = "5"
    & skf21("1","6","2","3","3","4","3","1") = "5"
    & skf21("1","6","2","3","3","4","4","1") = "5"
    & skf21("1","6","2","3","3","4","5","1") = "5"
    & skf21("1","6","2","3","3","4","6","1") = "5"
    & skf21("1","6","2","3","3","4","7","1") = "6"
    & skf21("1","6","2","3","3","5","1","1") = "5"
    & skf21("1","6","2","3","3","5","2","1") = "5"
    & skf21("1","6","2","3","3","5","3","1") = "5"
    & skf21("1","6","2","3","3","5","4","1") = "5"
    & skf21("1","6","2","3","3","5","5","1") = "5"
    & skf21("1","6","2","3","3","5","6","1") = "5"
    & skf21("1","6","2","3","3","5","7","1") = "6"
    & skf21("1","6","2","3","3","6","1","1") = "5"
    & skf21("1","6","2","3","3","6","2","1") = "5"
    & skf21("1","6","2","3","3","6","3","1") = "5"
    & skf21("1","6","2","3","3","6","4","1") = "5"
    & skf21("1","6","2","3","3","6","5","1") = "5"
    & skf21("1","6","2","3","3","6","6","1") = "5"
    & skf21("1","6","2","3","3","6","7","1") = "6"
    & skf21("1","6","2","3","3","7","1","1") = "6"
    & skf21("1","6","2","3","3","7","2","1") = "6"
    & skf21("1","6","2","3","3","7","3","1") = "6"
    & skf21("1","6","2","3","3","7","4","1") = "6"
    & skf21("1","6","2","3","3","7","5","1") = "6"
    & skf21("1","6","2","3","3","7","6","1") = "6"
    & skf21("1","6","2","3","3","7","7","1") = "6"
    & skf21("1","6","2","3","4","1","1","1") = "5"
    & skf21("1","6","2","3","4","1","2","1") = "5"
    & skf21("1","6","2","3","4","1","3","1") = "5"
    & skf21("1","6","2","3","4","1","4","1") = "5"
    & skf21("1","6","2","3","4","1","5","1") = "5"
    & skf21("1","6","2","3","4","1","6","1") = "5"
    & skf21("1","6","2","3","4","1","7","1") = "6"
    & skf21("1","6","2","3","4","2","1","1") = "5"
    & skf21("1","6","2","3","4","2","2","1") = "5"
    & skf21("1","6","2","3","4","2","3","1") = "5"
    & skf21("1","6","2","3","4","2","4","1") = "5"
    & skf21("1","6","2","3","4","2","5","1") = "5"
    & skf21("1","6","2","3","4","2","6","1") = "5"
    & skf21("1","6","2","3","4","2","7","1") = "6"
    & skf21("1","6","2","3","4","3","1","1") = "5"
    & skf21("1","6","2","3","4","3","2","1") = "5"
    & skf21("1","6","2","3","4","3","3","1") = "5"
    & skf21("1","6","2","3","4","3","4","1") = "5"
    & skf21("1","6","2","3","4","3","5","1") = "5"
    & skf21("1","6","2","3","4","3","6","1") = "5"
    & skf21("1","6","2","3","4","3","7","1") = "6"
    & skf21("1","6","2","3","4","4","1","1") = "5"
    & skf21("1","6","2","3","4","4","2","1") = "5"
    & skf21("1","6","2","3","4","4","3","1") = "5"
    & skf21("1","6","2","3","4","4","4","1") = "5"
    & skf21("1","6","2","3","4","4","5","1") = "5"
    & skf21("1","6","2","3","4","4","6","1") = "5"
    & skf21("1","6","2","3","4","4","7","1") = "6"
    & skf21("1","6","2","3","4","5","1","1") = "5"
    & skf21("1","6","2","3","4","5","2","1") = "5"
    & skf21("1","6","2","3","4","5","3","1") = "5"
    & skf21("1","6","2","3","4","5","4","1") = "5"
    & skf21("1","6","2","3","4","5","5","1") = "5"
    & skf21("1","6","2","3","4","5","6","1") = "5"
    & skf21("1","6","2","3","4","5","7","1") = "6"
    & skf21("1","6","2","3","4","6","1","1") = "5"
    & skf21("1","6","2","3","4","6","2","1") = "5"
    & skf21("1","6","2","3","4","6","3","1") = "5"
    & skf21("1","6","2","3","4","6","4","1") = "5"
    & skf21("1","6","2","3","4","6","5","1") = "5"
    & skf21("1","6","2","3","4","6","6","1") = "5"
    & skf21("1","6","2","3","4","6","7","1") = "6"
    & skf21("1","6","2","3","4","7","1","1") = "6"
    & skf21("1","6","2","3","4","7","2","1") = "6"
    & skf21("1","6","2","3","4","7","3","1") = "6"
    & skf21("1","6","2","3","4","7","4","1") = "6"
    & skf21("1","6","2","3","4","7","5","1") = "6"
    & skf21("1","6","2","3","4","7","6","1") = "6"
    & skf21("1","6","2","3","4","7","7","1") = "6"
    & skf21("1","6","2","3","5","1","1","1") = "5"
    & skf21("1","6","2","3","5","1","2","1") = "5"
    & skf21("1","6","2","3","5","1","3","1") = "5"
    & skf21("1","6","2","3","5","1","4","1") = "5"
    & skf21("1","6","2","3","5","1","5","1") = "5"
    & skf21("1","6","2","3","5","1","6","1") = "5"
    & skf21("1","6","2","3","5","1","7","1") = "6"
    & skf21("1","6","2","3","5","2","1","1") = "5"
    & skf21("1","6","2","3","5","2","2","1") = "5"
    & skf21("1","6","2","3","5","2","3","1") = "5"
    & skf21("1","6","2","3","5","2","4","1") = "5"
    & skf21("1","6","2","3","5","2","5","1") = "5"
    & skf21("1","6","2","3","5","2","6","1") = "5"
    & skf21("1","6","2","3","5","2","7","1") = "6"
    & skf21("1","6","2","3","5","3","1","1") = "5"
    & skf21("1","6","2","3","5","3","2","1") = "5"
    & skf21("1","6","2","3","5","3","3","1") = "5"
    & skf21("1","6","2","3","5","3","4","1") = "5"
    & skf21("1","6","2","3","5","3","5","1") = "5"
    & skf21("1","6","2","3","5","3","6","1") = "5"
    & skf21("1","6","2","3","5","3","7","1") = "6"
    & skf21("1","6","2","3","5","4","1","1") = "5"
    & skf21("1","6","2","3","5","4","2","1") = "5"
    & skf21("1","6","2","3","5","4","3","1") = "5"
    & skf21("1","6","2","3","5","4","4","1") = "5"
    & skf21("1","6","2","3","5","4","5","1") = "5"
    & skf21("1","6","2","3","5","4","6","1") = "5"
    & skf21("1","6","2","3","5","4","7","1") = "6"
    & skf21("1","6","2","3","5","5","1","1") = "5"
    & skf21("1","6","2","3","5","5","2","1") = "5"
    & skf21("1","6","2","3","5","5","3","1") = "5"
    & skf21("1","6","2","3","5","5","4","1") = "5"
    & skf21("1","6","2","3","5","5","5","1") = "5"
    & skf21("1","6","2","3","5","5","6","1") = "5"
    & skf21("1","6","2","3","5","5","7","1") = "6"
    & skf21("1","6","2","3","5","6","1","1") = "5"
    & skf21("1","6","2","3","5","6","2","1") = "5"
    & skf21("1","6","2","3","5","6","3","1") = "5"
    & skf21("1","6","2","3","5","6","4","1") = "5"
    & skf21("1","6","2","3","5","6","5","1") = "5"
    & skf21("1","6","2","3","5","6","6","1") = "5"
    & skf21("1","6","2","3","5","6","7","1") = "6"
    & skf21("1","6","2","3","5","7","1","1") = "6"
    & skf21("1","6","2","3","5","7","2","1") = "6"
    & skf21("1","6","2","3","5","7","3","1") = "6"
    & skf21("1","6","2","3","5","7","4","1") = "6"
    & skf21("1","6","2","3","5","7","5","1") = "6"
    & skf21("1","6","2","3","5","7","6","1") = "6"
    & skf21("1","6","2","3","5","7","7","1") = "6"
    & skf21("1","6","2","3","6","1","1","1") = "5"
    & skf21("1","6","2","3","6","1","2","1") = "5"
    & skf21("1","6","2","3","6","1","3","1") = "5"
    & skf21("1","6","2","3","6","1","4","1") = "5"
    & skf21("1","6","2","3","6","1","5","1") = "5"
    & skf21("1","6","2","3","6","1","6","1") = "5"
    & skf21("1","6","2","3","6","1","7","1") = "6"
    & skf21("1","6","2","3","6","2","1","1") = "5"
    & skf21("1","6","2","3","6","2","2","1") = "5"
    & skf21("1","6","2","3","6","2","3","1") = "5"
    & skf21("1","6","2","3","6","2","4","1") = "5"
    & skf21("1","6","2","3","6","2","5","1") = "5"
    & skf21("1","6","2","3","6","2","6","1") = "5"
    & skf21("1","6","2","3","6","2","7","1") = "6"
    & skf21("1","6","2","3","6","3","1","1") = "5"
    & skf21("1","6","2","3","6","3","2","1") = "5"
    & skf21("1","6","2","3","6","3","3","1") = "5"
    & skf21("1","6","2","3","6","3","4","1") = "5"
    & skf21("1","6","2","3","6","3","5","1") = "5"
    & skf21("1","6","2","3","6","3","6","1") = "5"
    & skf21("1","6","2","3","6","3","7","1") = "6"
    & skf21("1","6","2","3","6","4","1","1") = "5"
    & skf21("1","6","2","3","6","4","2","1") = "5"
    & skf21("1","6","2","3","6","4","3","1") = "5"
    & skf21("1","6","2","3","6","4","4","1") = "5"
    & skf21("1","6","2","3","6","4","5","1") = "5"
    & skf21("1","6","2","3","6","4","6","1") = "5"
    & skf21("1","6","2","3","6","4","7","1") = "6"
    & skf21("1","6","2","3","6","5","1","1") = "5"
    & skf21("1","6","2","3","6","5","2","1") = "5"
    & skf21("1","6","2","3","6","5","3","1") = "5"
    & skf21("1","6","2","3","6","5","4","1") = "5"
    & skf21("1","6","2","3","6","5","5","1") = "5"
    & skf21("1","6","2","3","6","5","6","1") = "5"
    & skf21("1","6","2","3","6","5","7","1") = "6"
    & skf21("1","6","2","3","6","6","1","1") = "5"
    & skf21("1","6","2","3","6","6","2","1") = "5"
    & skf21("1","6","2","3","6","6","3","1") = "5"
    & skf21("1","6","2","3","6","6","4","1") = "5"
    & skf21("1","6","2","3","6","6","5","1") = "5"
    & skf21("1","6","2","3","6","6","6","1") = "5"
    & skf21("1","6","2","3","6","6","7","1") = "6"
    & skf21("1","6","2","3","6","7","1","1") = "6"
    & skf21("1","6","2","3","6","7","2","1") = "6"
    & skf21("1","6","2","3","6","7","3","1") = "6"
    & skf21("1","6","2","3","6","7","4","1") = "6"
    & skf21("1","6","2","3","6","7","5","1") = "6"
    & skf21("1","6","2","3","6","7","6","1") = "6"
    & skf21("1","6","2","3","6","7","7","1") = "6"
    & skf21("1","6","2","3","7","1","1","1") = "6"
    & skf21("1","6","2","3","7","1","2","1") = "6"
    & skf21("1","6","2","3","7","1","3","1") = "6"
    & skf21("1","6","2","3","7","1","4","1") = "6"
    & skf21("1","6","2","3","7","1","5","1") = "6"
    & skf21("1","6","2","3","7","1","6","1") = "6"
    & skf21("1","6","2","3","7","1","7","1") = "6"
    & skf21("1","6","2","3","7","2","1","1") = "6"
    & skf21("1","6","2","3","7","2","2","1") = "6"
    & skf21("1","6","2","3","7","2","3","1") = "6"
    & skf21("1","6","2","3","7","2","4","1") = "6"
    & skf21("1","6","2","3","7","2","5","1") = "6"
    & skf21("1","6","2","3","7","2","6","1") = "6"
    & skf21("1","6","2","3","7","2","7","1") = "6"
    & skf21("1","6","2","3","7","3","1","1") = "6"
    & skf21("1","6","2","3","7","3","2","1") = "6"
    & skf21("1","6","2","3","7","3","3","1") = "6"
    & skf21("1","6","2","3","7","3","4","1") = "6"
    & skf21("1","6","2","3","7","3","5","1") = "6"
    & skf21("1","6","2","3","7","3","6","1") = "6"
    & skf21("1","6","2","3","7","3","7","1") = "6"
    & skf21("1","6","2","3","7","4","1","1") = "6"
    & skf21("1","6","2","3","7","4","2","1") = "6"
    & skf21("1","6","2","3","7","4","3","1") = "6"
    & skf21("1","6","2","3","7","4","4","1") = "6"
    & skf21("1","6","2","3","7","4","5","1") = "6"
    & skf21("1","6","2","3","7","4","6","1") = "6"
    & skf21("1","6","2","3","7","4","7","1") = "6"
    & skf21("1","6","2","3","7","5","1","1") = "6"
    & skf21("1","6","2","3","7","5","2","1") = "6"
    & skf21("1","6","2","3","7","5","3","1") = "6"
    & skf21("1","6","2","3","7","5","4","1") = "6"
    & skf21("1","6","2","3","7","5","5","1") = "6"
    & skf21("1","6","2","3","7","5","6","1") = "6"
    & skf21("1","6","2","3","7","5","7","1") = "6"
    & skf21("1","6","2","3","7","6","1","1") = "6"
    & skf21("1","6","2","3","7","6","2","1") = "6"
    & skf21("1","6","2","3","7","6","3","1") = "6"
    & skf21("1","6","2","3","7","6","4","1") = "6"
    & skf21("1","6","2","3","7","6","5","1") = "6"
    & skf21("1","6","2","3","7","6","6","1") = "6"
    & skf21("1","6","2","3","7","6","7","1") = "6"
    & skf21("1","6","2","3","7","7","1","1") = "6"
    & skf21("1","6","2","3","7","7","2","1") = "6"
    & skf21("1","6","2","3","7","7","3","1") = "6"
    & skf21("1","6","2","3","7","7","4","1") = "6"
    & skf21("1","6","2","3","7","7","5","1") = "6"
    & skf21("1","6","2","3","7","7","6","1") = "6"
    & skf21("1","6","2","3","7","7","7","1") = "6"
    & skf21("1","6","2","4","1","1","1","1") = "5"
    & skf21("1","6","2","4","1","1","2","1") = "5"
    & skf21("1","6","2","4","1","1","3","1") = "5"
    & skf21("1","6","2","4","1","1","4","1") = "5"
    & skf21("1","6","2","4","1","1","5","1") = "5"
    & skf21("1","6","2","4","1","1","6","1") = "5"
    & skf21("1","6","2","4","1","1","7","1") = "6"
    & skf21("1","6","2","4","1","2","1","1") = "5"
    & skf21("1","6","2","4","1","2","2","1") = "5"
    & skf21("1","6","2","4","1","2","3","1") = "5"
    & skf21("1","6","2","4","1","2","4","1") = "5"
    & skf21("1","6","2","4","1","2","5","1") = "5"
    & skf21("1","6","2","4","1","2","6","1") = "5"
    & skf21("1","6","2","4","1","2","7","1") = "6"
    & skf21("1","6","2","4","1","3","1","1") = "5"
    & skf21("1","6","2","4","1","3","2","1") = "5"
    & skf21("1","6","2","4","1","3","3","1") = "5"
    & skf21("1","6","2","4","1","3","4","1") = "5"
    & skf21("1","6","2","4","1","3","5","1") = "5"
    & skf21("1","6","2","4","1","3","6","1") = "5"
    & skf21("1","6","2","4","1","3","7","1") = "6"
    & skf21("1","6","2","4","1","4","1","1") = "5"
    & skf21("1","6","2","4","1","4","2","1") = "5"
    & skf21("1","6","2","4","1","4","3","1") = "5"
    & skf21("1","6","2","4","1","4","4","1") = "5"
    & skf21("1","6","2","4","1","4","5","1") = "5"
    & skf21("1","6","2","4","1","4","6","1") = "5"
    & skf21("1","6","2","4","1","4","7","1") = "6"
    & skf21("1","6","2","4","1","5","1","1") = "5"
    & skf21("1","6","2","4","1","5","2","1") = "5"
    & skf21("1","6","2","4","1","5","3","1") = "5"
    & skf21("1","6","2","4","1","5","4","1") = "5"
    & skf21("1","6","2","4","1","5","5","1") = "5"
    & skf21("1","6","2","4","1","5","6","1") = "5"
    & skf21("1","6","2","4","1","5","7","1") = "6"
    & skf21("1","6","2","4","1","6","1","1") = "5"
    & skf21("1","6","2","4","1","6","2","1") = "5"
    & skf21("1","6","2","4","1","6","3","1") = "5"
    & skf21("1","6","2","4","1","6","4","1") = "5"
    & skf21("1","6","2","4","1","6","5","1") = "5"
    & skf21("1","6","2","4","1","6","6","1") = "5"
    & skf21("1","6","2","4","1","6","7","1") = "6"
    & skf21("1","6","2","4","1","7","1","1") = "6"
    & skf21("1","6","2","4","1","7","2","1") = "6"
    & skf21("1","6","2","4","1","7","3","1") = "6"
    & skf21("1","6","2","4","1","7","4","1") = "6"
    & skf21("1","6","2","4","1","7","5","1") = "6"
    & skf21("1","6","2","4","1","7","6","1") = "6"
    & skf21("1","6","2","4","1","7","7","1") = "6"
    & skf21("1","6","2","4","2","1","1","1") = "5"
    & skf21("1","6","2","4","2","1","2","1") = "5"
    & skf21("1","6","2","4","2","1","3","1") = "5"
    & skf21("1","6","2","4","2","1","4","1") = "5"
    & skf21("1","6","2","4","2","1","5","1") = "5"
    & skf21("1","6","2","4","2","1","6","1") = "5"
    & skf21("1","6","2","4","2","1","7","1") = "6"
    & skf21("1","6","2","4","2","2","1","1") = "5"
    & skf21("1","6","2","4","2","2","2","1") = "5"
    & skf21("1","6","2","4","2","2","3","1") = "5"
    & skf21("1","6","2","4","2","2","4","1") = "5"
    & skf21("1","6","2","4","2","2","5","1") = "5"
    & skf21("1","6","2","4","2","2","6","1") = "5"
    & skf21("1","6","2","4","2","2","7","1") = "6"
    & skf21("1","6","2","4","2","3","1","1") = "5"
    & skf21("1","6","2","4","2","3","2","1") = "5"
    & skf21("1","6","2","4","2","3","3","1") = "5"
    & skf21("1","6","2","4","2","3","4","1") = "5"
    & skf21("1","6","2","4","2","3","5","1") = "5"
    & skf21("1","6","2","4","2","3","6","1") = "5"
    & skf21("1","6","2","4","2","3","7","1") = "6"
    & skf21("1","6","2","4","2","4","1","1") = "5"
    & skf21("1","6","2","4","2","4","2","1") = "5"
    & skf21("1","6","2","4","2","4","3","1") = "5"
    & skf21("1","6","2","4","2","4","4","1") = "5"
    & skf21("1","6","2","4","2","4","5","1") = "5"
    & skf21("1","6","2","4","2","4","6","1") = "5"
    & skf21("1","6","2","4","2","4","7","1") = "6"
    & skf21("1","6","2","4","2","5","1","1") = "5"
    & skf21("1","6","2","4","2","5","2","1") = "5"
    & skf21("1","6","2","4","2","5","3","1") = "5"
    & skf21("1","6","2","4","2","5","4","1") = "5"
    & skf21("1","6","2","4","2","5","5","1") = "5"
    & skf21("1","6","2","4","2","5","6","1") = "5"
    & skf21("1","6","2","4","2","5","7","1") = "6"
    & skf21("1","6","2","4","2","6","1","1") = "5"
    & skf21("1","6","2","4","2","6","2","1") = "5"
    & skf21("1","6","2","4","2","6","3","1") = "5"
    & skf21("1","6","2","4","2","6","4","1") = "5"
    & skf21("1","6","2","4","2","6","5","1") = "5"
    & skf21("1","6","2","4","2","6","6","1") = "5"
    & skf21("1","6","2","4","2","6","7","1") = "6"
    & skf21("1","6","2","4","2","7","1","1") = "6"
    & skf21("1","6","2","4","2","7","2","1") = "6"
    & skf21("1","6","2","4","2","7","3","1") = "6"
    & skf21("1","6","2","4","2","7","4","1") = "6"
    & skf21("1","6","2","4","2","7","5","1") = "6"
    & skf21("1","6","2","4","2","7","6","1") = "6"
    & skf21("1","6","2","4","2","7","7","1") = "6"
    & skf21("1","6","2","4","3","1","1","1") = "5"
    & skf21("1","6","2","4","3","1","2","1") = "5"
    & skf21("1","6","2","4","3","1","3","1") = "5"
    & skf21("1","6","2","4","3","1","4","1") = "5"
    & skf21("1","6","2","4","3","1","5","1") = "5"
    & skf21("1","6","2","4","3","1","6","1") = "5"
    & skf21("1","6","2","4","3","1","7","1") = "6"
    & skf21("1","6","2","4","3","2","1","1") = "5"
    & skf21("1","6","2","4","3","2","2","1") = "5"
    & skf21("1","6","2","4","3","2","3","1") = "5"
    & skf21("1","6","2","4","3","2","4","1") = "5"
    & skf21("1","6","2","4","3","2","5","1") = "5"
    & skf21("1","6","2","4","3","2","6","1") = "5"
    & skf21("1","6","2","4","3","2","7","1") = "6"
    & skf21("1","6","2","4","3","3","1","1") = "5"
    & skf21("1","6","2","4","3","3","2","1") = "5"
    & skf21("1","6","2","4","3","3","3","1") = "5"
    & skf21("1","6","2","4","3","3","4","1") = "5"
    & skf21("1","6","2","4","3","3","5","1") = "5"
    & skf21("1","6","2","4","3","3","6","1") = "5"
    & skf21("1","6","2","4","3","3","7","1") = "6"
    & skf21("1","6","2","4","3","4","1","1") = "5"
    & skf21("1","6","2","4","3","4","2","1") = "5"
    & skf21("1","6","2","4","3","4","3","1") = "5"
    & skf21("1","6","2","4","3","4","4","1") = "5"
    & skf21("1","6","2","4","3","4","5","1") = "5"
    & skf21("1","6","2","4","3","4","6","1") = "5"
    & skf21("1","6","2","4","3","4","7","1") = "6"
    & skf21("1","6","2","4","3","5","1","1") = "5"
    & skf21("1","6","2","4","3","5","2","1") = "5"
    & skf21("1","6","2","4","3","5","3","1") = "5"
    & skf21("1","6","2","4","3","5","4","1") = "5"
    & skf21("1","6","2","4","3","5","5","1") = "5"
    & skf21("1","6","2","4","3","5","6","1") = "5"
    & skf21("1","6","2","4","3","5","7","1") = "6"
    & skf21("1","6","2","4","3","6","1","1") = "5"
    & skf21("1","6","2","4","3","6","2","1") = "5"
    & skf21("1","6","2","4","3","6","3","1") = "5"
    & skf21("1","6","2","4","3","6","4","1") = "5"
    & skf21("1","6","2","4","3","6","5","1") = "5"
    & skf21("1","6","2","4","3","6","6","1") = "5"
    & skf21("1","6","2","4","3","6","7","1") = "6"
    & skf21("1","6","2","4","3","7","1","1") = "6"
    & skf21("1","6","2","4","3","7","2","1") = "6"
    & skf21("1","6","2","4","3","7","3","1") = "6"
    & skf21("1","6","2","4","3","7","4","1") = "6"
    & skf21("1","6","2","4","3","7","5","1") = "6"
    & skf21("1","6","2","4","3","7","6","1") = "6"
    & skf21("1","6","2","4","3","7","7","1") = "6"
    & skf21("1","6","2","4","4","1","1","1") = "5"
    & skf21("1","6","2","4","4","1","2","1") = "5"
    & skf21("1","6","2","4","4","1","3","1") = "5"
    & skf21("1","6","2","4","4","1","4","1") = "5"
    & skf21("1","6","2","4","4","1","5","1") = "5"
    & skf21("1","6","2","4","4","1","6","1") = "5"
    & skf21("1","6","2","4","4","1","7","1") = "6"
    & skf21("1","6","2","4","4","2","1","1") = "5"
    & skf21("1","6","2","4","4","2","2","1") = "5"
    & skf21("1","6","2","4","4","2","3","1") = "5"
    & skf21("1","6","2","4","4","2","4","1") = "5"
    & skf21("1","6","2","4","4","2","5","1") = "5"
    & skf21("1","6","2","4","4","2","6","1") = "5"
    & skf21("1","6","2","4","4","2","7","1") = "6"
    & skf21("1","6","2","4","4","3","1","1") = "5"
    & skf21("1","6","2","4","4","3","2","1") = "5"
    & skf21("1","6","2","4","4","3","3","1") = "5"
    & skf21("1","6","2","4","4","3","4","1") = "5"
    & skf21("1","6","2","4","4","3","5","1") = "5"
    & skf21("1","6","2","4","4","3","6","1") = "5"
    & skf21("1","6","2","4","4","3","7","1") = "6"
    & skf21("1","6","2","4","4","4","1","1") = "5"
    & skf21("1","6","2","4","4","4","2","1") = "5"
    & skf21("1","6","2","4","4","4","3","1") = "5"
    & skf21("1","6","2","4","4","4","4","1") = "5"
    & skf21("1","6","2","4","4","4","5","1") = "5"
    & skf21("1","6","2","4","4","4","6","1") = "5"
    & skf21("1","6","2","4","4","4","7","1") = "6"
    & skf21("1","6","2","4","4","5","1","1") = "5"
    & skf21("1","6","2","4","4","5","2","1") = "5"
    & skf21("1","6","2","4","4","5","3","1") = "5"
    & skf21("1","6","2","4","4","5","4","1") = "5"
    & skf21("1","6","2","4","4","5","5","1") = "5"
    & skf21("1","6","2","4","4","5","6","1") = "5"
    & skf21("1","6","2","4","4","5","7","1") = "6"
    & skf21("1","6","2","4","4","6","1","1") = "5"
    & skf21("1","6","2","4","4","6","2","1") = "5"
    & skf21("1","6","2","4","4","6","3","1") = "5"
    & skf21("1","6","2","4","4","6","4","1") = "5"
    & skf21("1","6","2","4","4","6","5","1") = "5"
    & skf21("1","6","2","4","4","6","6","1") = "5"
    & skf21("1","6","2","4","4","6","7","1") = "6"
    & skf21("1","6","2","4","4","7","1","1") = "6"
    & skf21("1","6","2","4","4","7","2","1") = "6"
    & skf21("1","6","2","4","4","7","3","1") = "6"
    & skf21("1","6","2","4","4","7","4","1") = "6"
    & skf21("1","6","2","4","4","7","5","1") = "6"
    & skf21("1","6","2","4","4","7","6","1") = "6"
    & skf21("1","6","2","4","4","7","7","1") = "6"
    & skf21("1","6","2","4","5","1","1","1") = "5"
    & skf21("1","6","2","4","5","1","2","1") = "5"
    & skf21("1","6","2","4","5","1","3","1") = "5"
    & skf21("1","6","2","4","5","1","4","1") = "5"
    & skf21("1","6","2","4","5","1","5","1") = "5"
    & skf21("1","6","2","4","5","1","6","1") = "5"
    & skf21("1","6","2","4","5","1","7","1") = "6"
    & skf21("1","6","2","4","5","2","1","1") = "5"
    & skf21("1","6","2","4","5","2","2","1") = "5"
    & skf21("1","6","2","4","5","2","3","1") = "5"
    & skf21("1","6","2","4","5","2","4","1") = "5"
    & skf21("1","6","2","4","5","2","5","1") = "5"
    & skf21("1","6","2","4","5","2","6","1") = "5"
    & skf21("1","6","2","4","5","2","7","1") = "6"
    & skf21("1","6","2","4","5","3","1","1") = "5"
    & skf21("1","6","2","4","5","3","2","1") = "5"
    & skf21("1","6","2","4","5","3","3","1") = "5"
    & skf21("1","6","2","4","5","3","4","1") = "5"
    & skf21("1","6","2","4","5","3","5","1") = "5"
    & skf21("1","6","2","4","5","3","6","1") = "5"
    & skf21("1","6","2","4","5","3","7","1") = "6"
    & skf21("1","6","2","4","5","4","1","1") = "5"
    & skf21("1","6","2","4","5","4","2","1") = "5"
    & skf21("1","6","2","4","5","4","3","1") = "5"
    & skf21("1","6","2","4","5","4","4","1") = "5"
    & skf21("1","6","2","4","5","4","5","1") = "5"
    & skf21("1","6","2","4","5","4","6","1") = "5"
    & skf21("1","6","2","4","5","4","7","1") = "6"
    & skf21("1","6","2","4","5","5","1","1") = "5"
    & skf21("1","6","2","4","5","5","2","1") = "5"
    & skf21("1","6","2","4","5","5","3","1") = "5"
    & skf21("1","6","2","4","5","5","4","1") = "5"
    & skf21("1","6","2","4","5","5","5","1") = "5"
    & skf21("1","6","2","4","5","5","6","1") = "5"
    & skf21("1","6","2","4","5","5","7","1") = "6"
    & skf21("1","6","2","4","5","6","1","1") = "5"
    & skf21("1","6","2","4","5","6","2","1") = "5"
    & skf21("1","6","2","4","5","6","3","1") = "5"
    & skf21("1","6","2","4","5","6","4","1") = "5"
    & skf21("1","6","2","4","5","6","5","1") = "5"
    & skf21("1","6","2","4","5","6","6","1") = "5"
    & skf21("1","6","2","4","5","6","7","1") = "6"
    & skf21("1","6","2","4","5","7","1","1") = "6"
    & skf21("1","6","2","4","5","7","2","1") = "6"
    & skf21("1","6","2","4","5","7","3","1") = "6"
    & skf21("1","6","2","4","5","7","4","1") = "6"
    & skf21("1","6","2","4","5","7","5","1") = "6"
    & skf21("1","6","2","4","5","7","6","1") = "6"
    & skf21("1","6","2","4","5","7","7","1") = "6"
    & skf21("1","6","2","4","6","1","1","1") = "5"
    & skf21("1","6","2","4","6","1","2","1") = "5"
    & skf21("1","6","2","4","6","1","3","1") = "5"
    & skf21("1","6","2","4","6","1","4","1") = "5"
    & skf21("1","6","2","4","6","1","5","1") = "5"
    & skf21("1","6","2","4","6","1","6","1") = "5"
    & skf21("1","6","2","4","6","1","7","1") = "6"
    & skf21("1","6","2","4","6","2","1","1") = "5"
    & skf21("1","6","2","4","6","2","2","1") = "5"
    & skf21("1","6","2","4","6","2","3","1") = "5"
    & skf21("1","6","2","4","6","2","4","1") = "5"
    & skf21("1","6","2","4","6","2","5","1") = "5"
    & skf21("1","6","2","4","6","2","6","1") = "5"
    & skf21("1","6","2","4","6","2","7","1") = "6"
    & skf21("1","6","2","4","6","3","1","1") = "5"
    & skf21("1","6","2","4","6","3","2","1") = "5"
    & skf21("1","6","2","4","6","3","3","1") = "5"
    & skf21("1","6","2","4","6","3","4","1") = "5"
    & skf21("1","6","2","4","6","3","5","1") = "5"
    & skf21("1","6","2","4","6","3","6","1") = "5"
    & skf21("1","6","2","4","6","3","7","1") = "6"
    & skf21("1","6","2","4","6","4","1","1") = "5"
    & skf21("1","6","2","4","6","4","2","1") = "5"
    & skf21("1","6","2","4","6","4","3","1") = "5"
    & skf21("1","6","2","4","6","4","4","1") = "5"
    & skf21("1","6","2","4","6","4","5","1") = "5"
    & skf21("1","6","2","4","6","4","6","1") = "5"
    & skf21("1","6","2","4","6","4","7","1") = "6"
    & skf21("1","6","2","4","6","5","1","1") = "5"
    & skf21("1","6","2","4","6","5","2","1") = "5"
    & skf21("1","6","2","4","6","5","3","1") = "5"
    & skf21("1","6","2","4","6","5","4","1") = "5"
    & skf21("1","6","2","4","6","5","5","1") = "5"
    & skf21("1","6","2","4","6","5","6","1") = "5"
    & skf21("1","6","2","4","6","5","7","1") = "6"
    & skf21("1","6","2","4","6","6","1","1") = "5"
    & skf21("1","6","2","4","6","6","2","1") = "5"
    & skf21("1","6","2","4","6","6","3","1") = "5"
    & skf21("1","6","2","4","6","6","4","1") = "5"
    & skf21("1","6","2","4","6","6","5","1") = "5"
    & skf21("1","6","2","4","6","6","6","1") = "5"
    & skf21("1","6","2","4","6","6","7","1") = "6"
    & skf21("1","6","2","4","6","7","1","1") = "6"
    & skf21("1","6","2","4","6","7","2","1") = "6"
    & skf21("1","6","2","4","6","7","3","1") = "6"
    & skf21("1","6","2","4","6","7","4","1") = "6"
    & skf21("1","6","2","4","6","7","5","1") = "6"
    & skf21("1","6","2","4","6","7","6","1") = "6"
    & skf21("1","6","2","4","6","7","7","1") = "6"
    & skf21("1","6","2","4","7","1","1","1") = "6"
    & skf21("1","6","2","4","7","1","2","1") = "6"
    & skf21("1","6","2","4","7","1","3","1") = "6"
    & skf21("1","6","2","4","7","1","4","1") = "6"
    & skf21("1","6","2","4","7","1","5","1") = "6"
    & skf21("1","6","2","4","7","1","6","1") = "6"
    & skf21("1","6","2","4","7","1","7","1") = "6"
    & skf21("1","6","2","4","7","2","1","1") = "6"
    & skf21("1","6","2","4","7","2","2","1") = "6"
    & skf21("1","6","2","4","7","2","3","1") = "6"
    & skf21("1","6","2","4","7","2","4","1") = "6"
    & skf21("1","6","2","4","7","2","5","1") = "6"
    & skf21("1","6","2","4","7","2","6","1") = "6"
    & skf21("1","6","2","4","7","2","7","1") = "6"
    & skf21("1","6","2","4","7","3","1","1") = "6"
    & skf21("1","6","2","4","7","3","2","1") = "6"
    & skf21("1","6","2","4","7","3","3","1") = "6"
    & skf21("1","6","2","4","7","3","4","1") = "6"
    & skf21("1","6","2","4","7","3","5","1") = "6"
    & skf21("1","6","2","4","7","3","6","1") = "6"
    & skf21("1","6","2","4","7","3","7","1") = "6"
    & skf21("1","6","2","4","7","4","1","1") = "6"
    & skf21("1","6","2","4","7","4","2","1") = "6"
    & skf21("1","6","2","4","7","4","3","1") = "6"
    & skf21("1","6","2","4","7","4","4","1") = "6"
    & skf21("1","6","2","4","7","4","5","1") = "6"
    & skf21("1","6","2","4","7","4","6","1") = "6"
    & skf21("1","6","2","4","7","4","7","1") = "6"
    & skf21("1","6","2","4","7","5","1","1") = "6"
    & skf21("1","6","2","4","7","5","2","1") = "6"
    & skf21("1","6","2","4","7","5","3","1") = "6"
    & skf21("1","6","2","4","7","5","4","1") = "6"
    & skf21("1","6","2","4","7","5","5","1") = "6"
    & skf21("1","6","2","4","7","5","6","1") = "6"
    & skf21("1","6","2","4","7","5","7","1") = "6"
    & skf21("1","6","2","4","7","6","1","1") = "6"
    & skf21("1","6","2","4","7","6","2","1") = "6"
    & skf21("1","6","2","4","7","6","3","1") = "6"
    & skf21("1","6","2","4","7","6","4","1") = "6"
    & skf21("1","6","2","4","7","6","5","1") = "6"
    & skf21("1","6","2","4","7","6","6","1") = "6"
    & skf21("1","6","2","4","7","6","7","1") = "6"
    & skf21("1","6","2","4","7","7","1","1") = "6"
    & skf21("1","6","2","4","7","7","2","1") = "6"
    & skf21("1","6","2","4","7","7","3","1") = "6"
    & skf21("1","6","2","4","7","7","4","1") = "6"
    & skf21("1","6","2","4","7","7","5","1") = "6"
    & skf21("1","6","2","4","7","7","6","1") = "6"
    & skf21("1","6","2","4","7","7","7","1") = "6"
    & skf21("1","6","2","5","1","1","1","1") = "5"
    & skf21("1","6","2","5","1","1","2","1") = "5"
    & skf21("1","6","2","5","1","1","3","1") = "5"
    & skf21("1","6","2","5","1","1","4","1") = "5"
    & skf21("1","6","2","5","1","1","5","1") = "5"
    & skf21("1","6","2","5","1","1","6","1") = "5"
    & skf21("1","6","2","5","1","1","7","1") = "6"
    & skf21("1","6","2","5","1","2","1","1") = "5"
    & skf21("1","6","2","5","1","2","2","1") = "5"
    & skf21("1","6","2","5","1","2","3","1") = "5"
    & skf21("1","6","2","5","1","2","4","1") = "5"
    & skf21("1","6","2","5","1","2","5","1") = "5"
    & skf21("1","6","2","5","1","2","6","1") = "5"
    & skf21("1","6","2","5","1","2","7","1") = "6"
    & skf21("1","6","2","5","1","3","1","1") = "5"
    & skf21("1","6","2","5","1","3","2","1") = "5"
    & skf21("1","6","2","5","1","3","3","1") = "5"
    & skf21("1","6","2","5","1","3","4","1") = "5"
    & skf21("1","6","2","5","1","3","5","1") = "5"
    & skf21("1","6","2","5","1","3","6","1") = "5"
    & skf21("1","6","2","5","1","3","7","1") = "6"
    & skf21("1","6","2","5","1","4","1","1") = "5"
    & skf21("1","6","2","5","1","4","2","1") = "5"
    & skf21("1","6","2","5","1","4","3","1") = "5"
    & skf21("1","6","2","5","1","4","4","1") = "5"
    & skf21("1","6","2","5","1","4","5","1") = "5"
    & skf21("1","6","2","5","1","4","6","1") = "5"
    & skf21("1","6","2","5","1","4","7","1") = "6"
    & skf21("1","6","2","5","1","5","1","1") = "5"
    & skf21("1","6","2","5","1","5","2","1") = "5"
    & skf21("1","6","2","5","1","5","3","1") = "5"
    & skf21("1","6","2","5","1","5","4","1") = "5"
    & skf21("1","6","2","5","1","5","5","1") = "5"
    & skf21("1","6","2","5","1","5","6","1") = "5"
    & skf21("1","6","2","5","1","5","7","1") = "6"
    & skf21("1","6","2","5","1","6","1","1") = "5"
    & skf21("1","6","2","5","1","6","2","1") = "5"
    & skf21("1","6","2","5","1","6","3","1") = "5"
    & skf21("1","6","2","5","1","6","4","1") = "5"
    & skf21("1","6","2","5","1","6","5","1") = "5"
    & skf21("1","6","2","5","1","6","6","1") = "5"
    & skf21("1","6","2","5","1","6","7","1") = "6"
    & skf21("1","6","2","5","1","7","1","1") = "6"
    & skf21("1","6","2","5","1","7","2","1") = "6"
    & skf21("1","6","2","5","1","7","3","1") = "6"
    & skf21("1","6","2","5","1","7","4","1") = "6"
    & skf21("1","6","2","5","1","7","5","1") = "6"
    & skf21("1","6","2","5","1","7","6","1") = "6"
    & skf21("1","6","2","5","1","7","7","1") = "6"
    & skf21("1","6","2","5","2","1","1","1") = "5"
    & skf21("1","6","2","5","2","1","2","1") = "5"
    & skf21("1","6","2","5","2","1","3","1") = "5"
    & skf21("1","6","2","5","2","1","4","1") = "5"
    & skf21("1","6","2","5","2","1","5","1") = "5"
    & skf21("1","6","2","5","2","1","6","1") = "5"
    & skf21("1","6","2","5","2","1","7","1") = "6"
    & skf21("1","6","2","5","2","2","1","1") = "5"
    & skf21("1","6","2","5","2","2","2","1") = "5"
    & skf21("1","6","2","5","2","2","3","1") = "5"
    & skf21("1","6","2","5","2","2","4","1") = "5"
    & skf21("1","6","2","5","2","2","5","1") = "5"
    & skf21("1","6","2","5","2","2","6","1") = "5"
    & skf21("1","6","2","5","2","2","7","1") = "6"
    & skf21("1","6","2","5","2","3","1","1") = "5"
    & skf21("1","6","2","5","2","3","2","1") = "5"
    & skf21("1","6","2","5","2","3","3","1") = "5"
    & skf21("1","6","2","5","2","3","4","1") = "5"
    & skf21("1","6","2","5","2","3","5","1") = "5"
    & skf21("1","6","2","5","2","3","6","1") = "5"
    & skf21("1","6","2","5","2","3","7","1") = "6"
    & skf21("1","6","2","5","2","4","1","1") = "5"
    & skf21("1","6","2","5","2","4","2","1") = "5"
    & skf21("1","6","2","5","2","4","3","1") = "5"
    & skf21("1","6","2","5","2","4","4","1") = "5"
    & skf21("1","6","2","5","2","4","5","1") = "5"
    & skf21("1","6","2","5","2","4","6","1") = "5"
    & skf21("1","6","2","5","2","4","7","1") = "6"
    & skf21("1","6","2","5","2","5","1","1") = "5"
    & skf21("1","6","2","5","2","5","2","1") = "5"
    & skf21("1","6","2","5","2","5","3","1") = "5"
    & skf21("1","6","2","5","2","5","4","1") = "5"
    & skf21("1","6","2","5","2","5","5","1") = "5"
    & skf21("1","6","2","5","2","5","6","1") = "5"
    & skf21("1","6","2","5","2","5","7","1") = "6"
    & skf21("1","6","2","5","2","6","1","1") = "5"
    & skf21("1","6","2","5","2","6","2","1") = "5"
    & skf21("1","6","2","5","2","6","3","1") = "5"
    & skf21("1","6","2","5","2","6","4","1") = "5"
    & skf21("1","6","2","5","2","6","5","1") = "5"
    & skf21("1","6","2","5","2","6","6","1") = "5"
    & skf21("1","6","2","5","2","6","7","1") = "6"
    & skf21("1","6","2","5","2","7","1","1") = "6"
    & skf21("1","6","2","5","2","7","2","1") = "6"
    & skf21("1","6","2","5","2","7","3","1") = "6"
    & skf21("1","6","2","5","2","7","4","1") = "6"
    & skf21("1","6","2","5","2","7","5","1") = "6"
    & skf21("1","6","2","5","2","7","6","1") = "6"
    & skf21("1","6","2","5","2","7","7","1") = "6"
    & skf21("1","6","2","5","3","1","1","1") = "5"
    & skf21("1","6","2","5","3","1","2","1") = "5"
    & skf21("1","6","2","5","3","1","3","1") = "5"
    & skf21("1","6","2","5","3","1","4","1") = "5"
    & skf21("1","6","2","5","3","1","5","1") = "5"
    & skf21("1","6","2","5","3","1","6","1") = "5"
    & skf21("1","6","2","5","3","1","7","1") = "6"
    & skf21("1","6","2","5","3","2","1","1") = "5"
    & skf21("1","6","2","5","3","2","2","1") = "5"
    & skf21("1","6","2","5","3","2","3","1") = "5"
    & skf21("1","6","2","5","3","2","4","1") = "5"
    & skf21("1","6","2","5","3","2","5","1") = "5"
    & skf21("1","6","2","5","3","2","6","1") = "5"
    & skf21("1","6","2","5","3","2","7","1") = "6"
    & skf21("1","6","2","5","3","3","1","1") = "5"
    & skf21("1","6","2","5","3","3","2","1") = "5"
    & skf21("1","6","2","5","3","3","3","1") = "5"
    & skf21("1","6","2","5","3","3","4","1") = "5"
    & skf21("1","6","2","5","3","3","5","1") = "5"
    & skf21("1","6","2","5","3","3","6","1") = "5"
    & skf21("1","6","2","5","3","3","7","1") = "6"
    & skf21("1","6","2","5","3","4","1","1") = "5"
    & skf21("1","6","2","5","3","4","2","1") = "5"
    & skf21("1","6","2","5","3","4","3","1") = "5"
    & skf21("1","6","2","5","3","4","4","1") = "5"
    & skf21("1","6","2","5","3","4","5","1") = "5"
    & skf21("1","6","2","5","3","4","6","1") = "5"
    & skf21("1","6","2","5","3","4","7","1") = "6"
    & skf21("1","6","2","5","3","5","1","1") = "5"
    & skf21("1","6","2","5","3","5","2","1") = "5"
    & skf21("1","6","2","5","3","5","3","1") = "5"
    & skf21("1","6","2","5","3","5","4","1") = "5"
    & skf21("1","6","2","5","3","5","5","1") = "5"
    & skf21("1","6","2","5","3","5","6","1") = "5"
    & skf21("1","6","2","5","3","5","7","1") = "6"
    & skf21("1","6","2","5","3","6","1","1") = "5"
    & skf21("1","6","2","5","3","6","2","1") = "5"
    & skf21("1","6","2","5","3","6","3","1") = "5"
    & skf21("1","6","2","5","3","6","4","1") = "5"
    & skf21("1","6","2","5","3","6","5","1") = "5"
    & skf21("1","6","2","5","3","6","6","1") = "5"
    & skf21("1","6","2","5","3","6","7","1") = "6"
    & skf21("1","6","2","5","3","7","1","1") = "6"
    & skf21("1","6","2","5","3","7","2","1") = "6"
    & skf21("1","6","2","5","3","7","3","1") = "6"
    & skf21("1","6","2","5","3","7","4","1") = "6"
    & skf21("1","6","2","5","3","7","5","1") = "6"
    & skf21("1","6","2","5","3","7","6","1") = "6"
    & skf21("1","6","2","5","3","7","7","1") = "6"
    & skf21("1","6","2","5","4","1","1","1") = "5"
    & skf21("1","6","2","5","4","1","2","1") = "5"
    & skf21("1","6","2","5","4","1","3","1") = "5"
    & skf21("1","6","2","5","4","1","4","1") = "5"
    & skf21("1","6","2","5","4","1","5","1") = "5"
    & skf21("1","6","2","5","4","1","6","1") = "5"
    & skf21("1","6","2","5","4","1","7","1") = "6"
    & skf21("1","6","2","5","4","2","1","1") = "5"
    & skf21("1","6","2","5","4","2","2","1") = "5"
    & skf21("1","6","2","5","4","2","3","1") = "5"
    & skf21("1","6","2","5","4","2","4","1") = "5"
    & skf21("1","6","2","5","4","2","5","1") = "5"
    & skf21("1","6","2","5","4","2","6","1") = "5"
    & skf21("1","6","2","5","4","2","7","1") = "6"
    & skf21("1","6","2","5","4","3","1","1") = "5"
    & skf21("1","6","2","5","4","3","2","1") = "5"
    & skf21("1","6","2","5","4","3","3","1") = "5"
    & skf21("1","6","2","5","4","3","4","1") = "5"
    & skf21("1","6","2","5","4","3","5","1") = "5"
    & skf21("1","6","2","5","4","3","6","1") = "5"
    & skf21("1","6","2","5","4","3","7","1") = "6"
    & skf21("1","6","2","5","4","4","1","1") = "5"
    & skf21("1","6","2","5","4","4","2","1") = "5"
    & skf21("1","6","2","5","4","4","3","1") = "5"
    & skf21("1","6","2","5","4","4","4","1") = "5"
    & skf21("1","6","2","5","4","4","5","1") = "5"
    & skf21("1","6","2","5","4","4","6","1") = "5"
    & skf21("1","6","2","5","4","4","7","1") = "6"
    & skf21("1","6","2","5","4","5","1","1") = "5"
    & skf21("1","6","2","5","4","5","2","1") = "5"
    & skf21("1","6","2","5","4","5","3","1") = "5"
    & skf21("1","6","2","5","4","5","4","1") = "5"
    & skf21("1","6","2","5","4","5","5","1") = "5"
    & skf21("1","6","2","5","4","5","6","1") = "5"
    & skf21("1","6","2","5","4","5","7","1") = "6"
    & skf21("1","6","2","5","4","6","1","1") = "5"
    & skf21("1","6","2","5","4","6","2","1") = "5"
    & skf21("1","6","2","5","4","6","3","1") = "5"
    & skf21("1","6","2","5","4","6","4","1") = "5"
    & skf21("1","6","2","5","4","6","5","1") = "5"
    & skf21("1","6","2","5","4","6","6","1") = "5"
    & skf21("1","6","2","5","4","6","7","1") = "6"
    & skf21("1","6","2","5","4","7","1","1") = "6"
    & skf21("1","6","2","5","4","7","2","1") = "6"
    & skf21("1","6","2","5","4","7","3","1") = "6"
    & skf21("1","6","2","5","4","7","4","1") = "6"
    & skf21("1","6","2","5","4","7","5","1") = "6"
    & skf21("1","6","2","5","4","7","6","1") = "6"
    & skf21("1","6","2","5","4","7","7","1") = "6"
    & skf21("1","6","2","5","5","1","1","1") = "5"
    & skf21("1","6","2","5","5","1","2","1") = "5"
    & skf21("1","6","2","5","5","1","3","1") = "5"
    & skf21("1","6","2","5","5","1","4","1") = "5"
    & skf21("1","6","2","5","5","1","5","1") = "5"
    & skf21("1","6","2","5","5","1","6","1") = "5"
    & skf21("1","6","2","5","5","1","7","1") = "6"
    & skf21("1","6","2","5","5","2","1","1") = "5"
    & skf21("1","6","2","5","5","2","2","1") = "5"
    & skf21("1","6","2","5","5","2","3","1") = "5"
    & skf21("1","6","2","5","5","2","4","1") = "5"
    & skf21("1","6","2","5","5","2","5","1") = "5"
    & skf21("1","6","2","5","5","2","6","1") = "5"
    & skf21("1","6","2","5","5","2","7","1") = "6"
    & skf21("1","6","2","5","5","3","1","1") = "5"
    & skf21("1","6","2","5","5","3","2","1") = "5"
    & skf21("1","6","2","5","5","3","3","1") = "5"
    & skf21("1","6","2","5","5","3","4","1") = "5"
    & skf21("1","6","2","5","5","3","5","1") = "5"
    & skf21("1","6","2","5","5","3","6","1") = "5"
    & skf21("1","6","2","5","5","3","7","1") = "6"
    & skf21("1","6","2","5","5","4","1","1") = "5"
    & skf21("1","6","2","5","5","4","2","1") = "5"
    & skf21("1","6","2","5","5","4","3","1") = "5"
    & skf21("1","6","2","5","5","4","4","1") = "5"
    & skf21("1","6","2","5","5","4","5","1") = "5"
    & skf21("1","6","2","5","5","4","6","1") = "5"
    & skf21("1","6","2","5","5","4","7","1") = "6"
    & skf21("1","6","2","5","5","5","1","1") = "5"
    & skf21("1","6","2","5","5","5","2","1") = "5"
    & skf21("1","6","2","5","5","5","3","1") = "5"
    & skf21("1","6","2","5","5","5","4","1") = "5"
    & skf21("1","6","2","5","5","5","5","1") = "5"
    & skf21("1","6","2","5","5","5","6","1") = "5"
    & skf21("1","6","2","5","5","5","7","1") = "6"
    & skf21("1","6","2","5","5","6","1","1") = "5"
    & skf21("1","6","2","5","5","6","2","1") = "5"
    & skf21("1","6","2","5","5","6","3","1") = "5"
    & skf21("1","6","2","5","5","6","4","1") = "5"
    & skf21("1","6","2","5","5","6","5","1") = "5"
    & skf21("1","6","2","5","5","6","6","1") = "5"
    & skf21("1","6","2","5","5","6","7","1") = "6"
    & skf21("1","6","2","5","5","7","1","1") = "6"
    & skf21("1","6","2","5","5","7","2","1") = "6"
    & skf21("1","6","2","5","5","7","3","1") = "6"
    & skf21("1","6","2","5","5","7","4","1") = "6"
    & skf21("1","6","2","5","5","7","5","1") = "6"
    & skf21("1","6","2","5","5","7","6","1") = "6"
    & skf21("1","6","2","5","5","7","7","1") = "6"
    & skf21("1","6","2","5","6","1","1","1") = "5"
    & skf21("1","6","2","5","6","1","2","1") = "5"
    & skf21("1","6","2","5","6","1","3","1") = "5"
    & skf21("1","6","2","5","6","1","4","1") = "5"
    & skf21("1","6","2","5","6","1","5","1") = "5"
    & skf21("1","6","2","5","6","1","6","1") = "5"
    & skf21("1","6","2","5","6","1","7","1") = "6"
    & skf21("1","6","2","5","6","2","1","1") = "5"
    & skf21("1","6","2","5","6","2","2","1") = "5"
    & skf21("1","6","2","5","6","2","3","1") = "5"
    & skf21("1","6","2","5","6","2","4","1") = "5"
    & skf21("1","6","2","5","6","2","5","1") = "5"
    & skf21("1","6","2","5","6","2","6","1") = "5"
    & skf21("1","6","2","5","6","2","7","1") = "6"
    & skf21("1","6","2","5","6","3","1","1") = "5"
    & skf21("1","6","2","5","6","3","2","1") = "5"
    & skf21("1","6","2","5","6","3","3","1") = "5"
    & skf21("1","6","2","5","6","3","4","1") = "5"
    & skf21("1","6","2","5","6","3","5","1") = "5"
    & skf21("1","6","2","5","6","3","6","1") = "5"
    & skf21("1","6","2","5","6","3","7","1") = "6"
    & skf21("1","6","2","5","6","4","1","1") = "5"
    & skf21("1","6","2","5","6","4","2","1") = "5"
    & skf21("1","6","2","5","6","4","3","1") = "5"
    & skf21("1","6","2","5","6","4","4","1") = "5"
    & skf21("1","6","2","5","6","4","5","1") = "5"
    & skf21("1","6","2","5","6","4","6","1") = "5"
    & skf21("1","6","2","5","6","4","7","1") = "6"
    & skf21("1","6","2","5","6","5","1","1") = "5"
    & skf21("1","6","2","5","6","5","2","1") = "5"
    & skf21("1","6","2","5","6","5","3","1") = "5"
    & skf21("1","6","2","5","6","5","4","1") = "5"
    & skf21("1","6","2","5","6","5","5","1") = "5"
    & skf21("1","6","2","5","6","5","6","1") = "5"
    & skf21("1","6","2","5","6","5","7","1") = "6"
    & skf21("1","6","2","5","6","6","1","1") = "5"
    & skf21("1","6","2","5","6","6","2","1") = "5"
    & skf21("1","6","2","5","6","6","3","1") = "5"
    & skf21("1","6","2","5","6","6","4","1") = "5"
    & skf21("1","6","2","5","6","6","5","1") = "5"
    & skf21("1","6","2","5","6","6","6","1") = "5"
    & skf21("1","6","2","5","6","6","7","1") = "6"
    & skf21("1","6","2","5","6","7","1","1") = "6"
    & skf21("1","6","2","5","6","7","2","1") = "6"
    & skf21("1","6","2","5","6","7","3","1") = "6"
    & skf21("1","6","2","5","6","7","4","1") = "6"
    & skf21("1","6","2","5","6","7","5","1") = "6"
    & skf21("1","6","2","5","6","7","6","1") = "6"
    & skf21("1","6","2","5","6","7","7","1") = "6"
    & skf21("1","6","2","5","7","1","1","1") = "6"
    & skf21("1","6","2","5","7","1","2","1") = "6"
    & skf21("1","6","2","5","7","1","3","1") = "6"
    & skf21("1","6","2","5","7","1","4","1") = "6"
    & skf21("1","6","2","5","7","1","5","1") = "6"
    & skf21("1","6","2","5","7","1","6","1") = "6"
    & skf21("1","6","2","5","7","1","7","1") = "6"
    & skf21("1","6","2","5","7","2","1","1") = "6"
    & skf21("1","6","2","5","7","2","2","1") = "6"
    & skf21("1","6","2","5","7","2","3","1") = "6"
    & skf21("1","6","2","5","7","2","4","1") = "6"
    & skf21("1","6","2","5","7","2","5","1") = "6"
    & skf21("1","6","2","5","7","2","6","1") = "6"
    & skf21("1","6","2","5","7","2","7","1") = "6"
    & skf21("1","6","2","5","7","3","1","1") = "6"
    & skf21("1","6","2","5","7","3","2","1") = "6"
    & skf21("1","6","2","5","7","3","3","1") = "6"
    & skf21("1","6","2","5","7","3","4","1") = "6"
    & skf21("1","6","2","5","7","3","5","1") = "6"
    & skf21("1","6","2","5","7","3","6","1") = "6"
    & skf21("1","6","2","5","7","3","7","1") = "6"
    & skf21("1","6","2","5","7","4","1","1") = "6"
    & skf21("1","6","2","5","7","4","2","1") = "6"
    & skf21("1","6","2","5","7","4","3","1") = "6"
    & skf21("1","6","2","5","7","4","4","1") = "6"
    & skf21("1","6","2","5","7","4","5","1") = "6"
    & skf21("1","6","2","5","7","4","6","1") = "6"
    & skf21("1","6","2","5","7","4","7","1") = "6"
    & skf21("1","6","2","5","7","5","1","1") = "6"
    & skf21("1","6","2","5","7","5","2","1") = "6"
    & skf21("1","6","2","5","7","5","3","1") = "6"
    & skf21("1","6","2","5","7","5","4","1") = "6"
    & skf21("1","6","2","5","7","5","5","1") = "6"
    & skf21("1","6","2","5","7","5","6","1") = "6"
    & skf21("1","6","2","5","7","5","7","1") = "6"
    & skf21("1","6","2","5","7","6","1","1") = "6"
    & skf21("1","6","2","5","7","6","2","1") = "6"
    & skf21("1","6","2","5","7","6","3","1") = "6"
    & skf21("1","6","2","5","7","6","4","1") = "6"
    & skf21("1","6","2","5","7","6","5","1") = "6"
    & skf21("1","6","2","5","7","6","6","1") = "6"
    & skf21("1","6","2","5","7","6","7","1") = "6"
    & skf21("1","6","2","5","7","7","1","1") = "6"
    & skf21("1","6","2","5","7","7","2","1") = "6"
    & skf21("1","6","2","5","7","7","3","1") = "6"
    & skf21("1","6","2","5","7","7","4","1") = "6"
    & skf21("1","6","2","5","7","7","5","1") = "6"
    & skf21("1","6","2","5","7","7","6","1") = "6"
    & skf21("1","6","2","5","7","7","7","1") = "6"
    & skf21("1","6","2","6","1","1","1","1") = "5"
    & skf21("1","6","2","6","1","1","2","1") = "5"
    & skf21("1","6","2","6","1","1","3","1") = "5"
    & skf21("1","6","2","6","1","1","4","1") = "5"
    & skf21("1","6","2","6","1","1","5","1") = "5"
    & skf21("1","6","2","6","1","1","6","1") = "5"
    & skf21("1","6","2","6","1","1","7","1") = "6"
    & skf21("1","6","2","6","1","2","1","1") = "5"
    & skf21("1","6","2","6","1","2","2","1") = "5"
    & skf21("1","6","2","6","1","2","3","1") = "5"
    & skf21("1","6","2","6","1","2","4","1") = "5"
    & skf21("1","6","2","6","1","2","5","1") = "5"
    & skf21("1","6","2","6","1","2","6","1") = "5"
    & skf21("1","6","2","6","1","2","7","1") = "6"
    & skf21("1","6","2","6","1","3","1","1") = "5"
    & skf21("1","6","2","6","1","3","2","1") = "5"
    & skf21("1","6","2","6","1","3","3","1") = "5"
    & skf21("1","6","2","6","1","3","4","1") = "5"
    & skf21("1","6","2","6","1","3","5","1") = "5"
    & skf21("1","6","2","6","1","3","6","1") = "5"
    & skf21("1","6","2","6","1","3","7","1") = "6"
    & skf21("1","6","2","6","1","4","1","1") = "5"
    & skf21("1","6","2","6","1","4","2","1") = "5"
    & skf21("1","6","2","6","1","4","3","1") = "5"
    & skf21("1","6","2","6","1","4","4","1") = "5"
    & skf21("1","6","2","6","1","4","5","1") = "5"
    & skf21("1","6","2","6","1","4","6","1") = "5"
    & skf21("1","6","2","6","1","4","7","1") = "6"
    & skf21("1","6","2","6","1","5","1","1") = "5"
    & skf21("1","6","2","6","1","5","2","1") = "5"
    & skf21("1","6","2","6","1","5","3","1") = "5"
    & skf21("1","6","2","6","1","5","4","1") = "5"
    & skf21("1","6","2","6","1","5","5","1") = "5"
    & skf21("1","6","2","6","1","5","6","1") = "5"
    & skf21("1","6","2","6","1","5","7","1") = "6"
    & skf21("1","6","2","6","1","6","1","1") = "5"
    & skf21("1","6","2","6","1","6","2","1") = "5"
    & skf21("1","6","2","6","1","6","3","1") = "5"
    & skf21("1","6","2","6","1","6","4","1") = "5"
    & skf21("1","6","2","6","1","6","5","1") = "5"
    & skf21("1","6","2","6","1","6","6","1") = "5"
    & skf21("1","6","2","6","1","6","7","1") = "6"
    & skf21("1","6","2","6","1","7","1","1") = "6"
    & skf21("1","6","2","6","1","7","2","1") = "6"
    & skf21("1","6","2","6","1","7","3","1") = "6"
    & skf21("1","6","2","6","1","7","4","1") = "6"
    & skf21("1","6","2","6","1","7","5","1") = "6"
    & skf21("1","6","2","6","1","7","6","1") = "6"
    & skf21("1","6","2","6","1","7","7","1") = "6"
    & skf21("1","6","2","6","2","1","1","1") = "5"
    & skf21("1","6","2","6","2","1","2","1") = "5"
    & skf21("1","6","2","6","2","1","3","1") = "5"
    & skf21("1","6","2","6","2","1","4","1") = "5"
    & skf21("1","6","2","6","2","1","5","1") = "5"
    & skf21("1","6","2","6","2","1","6","1") = "5"
    & skf21("1","6","2","6","2","1","7","1") = "6"
    & skf21("1","6","2","6","2","2","1","1") = "5"
    & skf21("1","6","2","6","2","2","2","1") = "5"
    & skf21("1","6","2","6","2","2","3","1") = "5"
    & skf21("1","6","2","6","2","2","4","1") = "5"
    & skf21("1","6","2","6","2","2","5","1") = "5"
    & skf21("1","6","2","6","2","2","6","1") = "5"
    & skf21("1","6","2","6","2","2","7","1") = "6"
    & skf21("1","6","2","6","2","3","1","1") = "5"
    & skf21("1","6","2","6","2","3","2","1") = "5"
    & skf21("1","6","2","6","2","3","3","1") = "5"
    & skf21("1","6","2","6","2","3","4","1") = "5"
    & skf21("1","6","2","6","2","3","5","1") = "5"
    & skf21("1","6","2","6","2","3","6","1") = "5"
    & skf21("1","6","2","6","2","3","7","1") = "6"
    & skf21("1","6","2","6","2","4","1","1") = "5"
    & skf21("1","6","2","6","2","4","2","1") = "5"
    & skf21("1","6","2","6","2","4","3","1") = "5"
    & skf21("1","6","2","6","2","4","4","1") = "5"
    & skf21("1","6","2","6","2","4","5","1") = "5"
    & skf21("1","6","2","6","2","4","6","1") = "5"
    & skf21("1","6","2","6","2","4","7","1") = "6"
    & skf21("1","6","2","6","2","5","1","1") = "5"
    & skf21("1","6","2","6","2","5","2","1") = "5"
    & skf21("1","6","2","6","2","5","3","1") = "5"
    & skf21("1","6","2","6","2","5","4","1") = "5"
    & skf21("1","6","2","6","2","5","5","1") = "5"
    & skf21("1","6","2","6","2","5","6","1") = "5"
    & skf21("1","6","2","6","2","5","7","1") = "6"
    & skf21("1","6","2","6","2","6","1","1") = "5"
    & skf21("1","6","2","6","2","6","2","1") = "5"
    & skf21("1","6","2","6","2","6","3","1") = "5"
    & skf21("1","6","2","6","2","6","4","1") = "5"
    & skf21("1","6","2","6","2","6","5","1") = "5"
    & skf21("1","6","2","6","2","6","6","1") = "5"
    & skf21("1","6","2","6","2","6","7","1") = "6"
    & skf21("1","6","2","6","2","7","1","1") = "6"
    & skf21("1","6","2","6","2","7","2","1") = "6"
    & skf21("1","6","2","6","2","7","3","1") = "6"
    & skf21("1","6","2","6","2","7","4","1") = "6"
    & skf21("1","6","2","6","2","7","5","1") = "6"
    & skf21("1","6","2","6","2","7","6","1") = "6"
    & skf21("1","6","2","6","2","7","7","1") = "6"
    & skf21("1","6","2","6","3","1","1","1") = "5"
    & skf21("1","6","2","6","3","1","2","1") = "5"
    & skf21("1","6","2","6","3","1","3","1") = "5"
    & skf21("1","6","2","6","3","1","4","1") = "5"
    & skf21("1","6","2","6","3","1","5","1") = "5"
    & skf21("1","6","2","6","3","1","6","1") = "5"
    & skf21("1","6","2","6","3","1","7","1") = "6"
    & skf21("1","6","2","6","3","2","1","1") = "5"
    & skf21("1","6","2","6","3","2","2","1") = "5"
    & skf21("1","6","2","6","3","2","3","1") = "5"
    & skf21("1","6","2","6","3","2","4","1") = "5"
    & skf21("1","6","2","6","3","2","5","1") = "5"
    & skf21("1","6","2","6","3","2","6","1") = "5"
    & skf21("1","6","2","6","3","2","7","1") = "6"
    & skf21("1","6","2","6","3","3","1","1") = "5"
    & skf21("1","6","2","6","3","3","2","1") = "5"
    & skf21("1","6","2","6","3","3","3","1") = "5"
    & skf21("1","6","2","6","3","3","4","1") = "5"
    & skf21("1","6","2","6","3","3","5","1") = "5"
    & skf21("1","6","2","6","3","3","6","1") = "5"
    & skf21("1","6","2","6","3","3","7","1") = "6"
    & skf21("1","6","2","6","3","4","1","1") = "5"
    & skf21("1","6","2","6","3","4","2","1") = "5"
    & skf21("1","6","2","6","3","4","3","1") = "5"
    & skf21("1","6","2","6","3","4","4","1") = "5"
    & skf21("1","6","2","6","3","4","5","1") = "5"
    & skf21("1","6","2","6","3","4","6","1") = "5"
    & skf21("1","6","2","6","3","4","7","1") = "6"
    & skf21("1","6","2","6","3","5","1","1") = "5"
    & skf21("1","6","2","6","3","5","2","1") = "5"
    & skf21("1","6","2","6","3","5","3","1") = "5"
    & skf21("1","6","2","6","3","5","4","1") = "5"
    & skf21("1","6","2","6","3","5","5","1") = "5"
    & skf21("1","6","2","6","3","5","6","1") = "5"
    & skf21("1","6","2","6","3","5","7","1") = "6"
    & skf21("1","6","2","6","3","6","1","1") = "5"
    & skf21("1","6","2","6","3","6","2","1") = "5"
    & skf21("1","6","2","6","3","6","3","1") = "5"
    & skf21("1","6","2","6","3","6","4","1") = "5"
    & skf21("1","6","2","6","3","6","5","1") = "5"
    & skf21("1","6","2","6","3","6","6","1") = "5"
    & skf21("1","6","2","6","3","6","7","1") = "6"
    & skf21("1","6","2","6","3","7","1","1") = "6"
    & skf21("1","6","2","6","3","7","2","1") = "6"
    & skf21("1","6","2","6","3","7","3","1") = "6"
    & skf21("1","6","2","6","3","7","4","1") = "6"
    & skf21("1","6","2","6","3","7","5","1") = "6"
    & skf21("1","6","2","6","3","7","6","1") = "6"
    & skf21("1","6","2","6","3","7","7","1") = "6"
    & skf21("1","6","2","6","4","1","1","1") = "5"
    & skf21("1","6","2","6","4","1","2","1") = "5"
    & skf21("1","6","2","6","4","1","3","1") = "5"
    & skf21("1","6","2","6","4","1","4","1") = "5"
    & skf21("1","6","2","6","4","1","5","1") = "5"
    & skf21("1","6","2","6","4","1","6","1") = "5"
    & skf21("1","6","2","6","4","1","7","1") = "6"
    & skf21("1","6","2","6","4","2","1","1") = "5"
    & skf21("1","6","2","6","4","2","2","1") = "5"
    & skf21("1","6","2","6","4","2","3","1") = "5"
    & skf21("1","6","2","6","4","2","4","1") = "5"
    & skf21("1","6","2","6","4","2","5","1") = "5"
    & skf21("1","6","2","6","4","2","6","1") = "5"
    & skf21("1","6","2","6","4","2","7","1") = "6"
    & skf21("1","6","2","6","4","3","1","1") = "5"
    & skf21("1","6","2","6","4","3","2","1") = "5"
    & skf21("1","6","2","6","4","3","3","1") = "5"
    & skf21("1","6","2","6","4","3","4","1") = "5"
    & skf21("1","6","2","6","4","3","5","1") = "5"
    & skf21("1","6","2","6","4","3","6","1") = "5"
    & skf21("1","6","2","6","4","3","7","1") = "6"
    & skf21("1","6","2","6","4","4","1","1") = "5"
    & skf21("1","6","2","6","4","4","2","1") = "5"
    & skf21("1","6","2","6","4","4","3","1") = "5"
    & skf21("1","6","2","6","4","4","4","1") = "5"
    & skf21("1","6","2","6","4","4","5","1") = "5"
    & skf21("1","6","2","6","4","4","6","1") = "5"
    & skf21("1","6","2","6","4","4","7","1") = "6"
    & skf21("1","6","2","6","4","5","1","1") = "5"
    & skf21("1","6","2","6","4","5","2","1") = "5"
    & skf21("1","6","2","6","4","5","3","1") = "5"
    & skf21("1","6","2","6","4","5","4","1") = "5"
    & skf21("1","6","2","6","4","5","5","1") = "5"
    & skf21("1","6","2","6","4","5","6","1") = "5"
    & skf21("1","6","2","6","4","5","7","1") = "6"
    & skf21("1","6","2","6","4","6","1","1") = "5"
    & skf21("1","6","2","6","4","6","2","1") = "5"
    & skf21("1","6","2","6","4","6","3","1") = "5"
    & skf21("1","6","2","6","4","6","4","1") = "5"
    & skf21("1","6","2","6","4","6","5","1") = "5"
    & skf21("1","6","2","6","4","6","6","1") = "5"
    & skf21("1","6","2","6","4","6","7","1") = "6"
    & skf21("1","6","2","6","4","7","1","1") = "6"
    & skf21("1","6","2","6","4","7","2","1") = "6"
    & skf21("1","6","2","6","4","7","3","1") = "6"
    & skf21("1","6","2","6","4","7","4","1") = "6"
    & skf21("1","6","2","6","4","7","5","1") = "6"
    & skf21("1","6","2","6","4","7","6","1") = "6"
    & skf21("1","6","2","6","4","7","7","1") = "6"
    & skf21("1","6","2","6","5","1","1","1") = "5"
    & skf21("1","6","2","6","5","1","2","1") = "5"
    & skf21("1","6","2","6","5","1","3","1") = "5"
    & skf21("1","6","2","6","5","1","4","1") = "5"
    & skf21("1","6","2","6","5","1","5","1") = "5"
    & skf21("1","6","2","6","5","1","6","1") = "5"
    & skf21("1","6","2","6","5","1","7","1") = "6"
    & skf21("1","6","2","6","5","2","1","1") = "5"
    & skf21("1","6","2","6","5","2","2","1") = "5"
    & skf21("1","6","2","6","5","2","3","1") = "5"
    & skf21("1","6","2","6","5","2","4","1") = "5"
    & skf21("1","6","2","6","5","2","5","1") = "5"
    & skf21("1","6","2","6","5","2","6","1") = "5"
    & skf21("1","6","2","6","5","2","7","1") = "6"
    & skf21("1","6","2","6","5","3","1","1") = "5"
    & skf21("1","6","2","6","5","3","2","1") = "5"
    & skf21("1","6","2","6","5","3","3","1") = "5"
    & skf21("1","6","2","6","5","3","4","1") = "5"
    & skf21("1","6","2","6","5","3","5","1") = "5"
    & skf21("1","6","2","6","5","3","6","1") = "5"
    & skf21("1","6","2","6","5","3","7","1") = "6"
    & skf21("1","6","2","6","5","4","1","1") = "5"
    & skf21("1","6","2","6","5","4","2","1") = "5"
    & skf21("1","6","2","6","5","4","3","1") = "5"
    & skf21("1","6","2","6","5","4","4","1") = "5"
    & skf21("1","6","2","6","5","4","5","1") = "5"
    & skf21("1","6","2","6","5","4","6","1") = "5"
    & skf21("1","6","2","6","5","4","7","1") = "6"
    & skf21("1","6","2","6","5","5","1","1") = "5"
    & skf21("1","6","2","6","5","5","2","1") = "5"
    & skf21("1","6","2","6","5","5","3","1") = "5"
    & skf21("1","6","2","6","5","5","4","1") = "5"
    & skf21("1","6","2","6","5","5","5","1") = "5"
    & skf21("1","6","2","6","5","5","6","1") = "5"
    & skf21("1","6","2","6","5","5","7","1") = "6"
    & skf21("1","6","2","6","5","6","1","1") = "5"
    & skf21("1","6","2","6","5","6","2","1") = "5"
    & skf21("1","6","2","6","5","6","3","1") = "5"
    & skf21("1","6","2","6","5","6","4","1") = "5"
    & skf21("1","6","2","6","5","6","5","1") = "5"
    & skf21("1","6","2","6","5","6","6","1") = "5"
    & skf21("1","6","2","6","5","6","7","1") = "6"
    & skf21("1","6","2","6","5","7","1","1") = "6"
    & skf21("1","6","2","6","5","7","2","1") = "6"
    & skf21("1","6","2","6","5","7","3","1") = "6"
    & skf21("1","6","2","6","5","7","4","1") = "6"
    & skf21("1","6","2","6","5","7","5","1") = "6"
    & skf21("1","6","2","6","5","7","6","1") = "6"
    & skf21("1","6","2","6","5","7","7","1") = "6"
    & skf21("1","6","2","6","6","1","1","1") = "5"
    & skf21("1","6","2","6","6","1","2","1") = "5"
    & skf21("1","6","2","6","6","1","3","1") = "5"
    & skf21("1","6","2","6","6","1","4","1") = "5"
    & skf21("1","6","2","6","6","1","5","1") = "5"
    & skf21("1","6","2","6","6","1","6","1") = "5"
    & skf21("1","6","2","6","6","1","7","1") = "6"
    & skf21("1","6","2","6","6","2","1","1") = "5"
    & skf21("1","6","2","6","6","2","2","1") = "5"
    & skf21("1","6","2","6","6","2","3","1") = "5"
    & skf21("1","6","2","6","6","2","4","1") = "5"
    & skf21("1","6","2","6","6","2","5","1") = "5"
    & skf21("1","6","2","6","6","2","6","1") = "5"
    & skf21("1","6","2","6","6","2","7","1") = "6"
    & skf21("1","6","2","6","6","3","1","1") = "5"
    & skf21("1","6","2","6","6","3","2","1") = "5"
    & skf21("1","6","2","6","6","3","3","1") = "5"
    & skf21("1","6","2","6","6","3","4","1") = "5"
    & skf21("1","6","2","6","6","3","5","1") = "5"
    & skf21("1","6","2","6","6","3","6","1") = "5"
    & skf21("1","6","2","6","6","3","7","1") = "6"
    & skf21("1","6","2","6","6","4","1","1") = "5"
    & skf21("1","6","2","6","6","4","2","1") = "5"
    & skf21("1","6","2","6","6","4","3","1") = "5"
    & skf21("1","6","2","6","6","4","4","1") = "5"
    & skf21("1","6","2","6","6","4","5","1") = "5"
    & skf21("1","6","2","6","6","4","6","1") = "5"
    & skf21("1","6","2","6","6","4","7","1") = "6"
    & skf21("1","6","2","6","6","5","1","1") = "5"
    & skf21("1","6","2","6","6","5","2","1") = "5"
    & skf21("1","6","2","6","6","5","3","1") = "5"
    & skf21("1","6","2","6","6","5","4","1") = "5"
    & skf21("1","6","2","6","6","5","5","1") = "5"
    & skf21("1","6","2","6","6","5","6","1") = "5"
    & skf21("1","6","2","6","6","5","7","1") = "6"
    & skf21("1","6","2","6","6","6","1","1") = "5"
    & skf21("1","6","2","6","6","6","2","1") = "5"
    & skf21("1","6","2","6","6","6","3","1") = "5"
    & skf21("1","6","2","6","6","6","4","1") = "5"
    & skf21("1","6","2","6","6","6","5","1") = "5"
    & skf21("1","6","2","6","6","6","6","1") = "5"
    & skf21("1","6","2","6","6","6","7","1") = "6"
    & skf21("1","6","2","6","6","7","1","1") = "6"
    & skf21("1","6","2","6","6","7","2","1") = "6"
    & skf21("1","6","2","6","6","7","3","1") = "6"
    & skf21("1","6","2","6","6","7","4","1") = "6"
    & skf21("1","6","2","6","6","7","5","1") = "6"
    & skf21("1","6","2","6","6","7","6","1") = "6"
    & skf21("1","6","2","6","6","7","7","1") = "6"
    & skf21("1","6","2","6","7","1","1","1") = "6"
    & skf21("1","6","2","6","7","1","2","1") = "6"
    & skf21("1","6","2","6","7","1","3","1") = "6"
    & skf21("1","6","2","6","7","1","4","1") = "6"
    & skf21("1","6","2","6","7","1","5","1") = "6"
    & skf21("1","6","2","6","7","1","6","1") = "6"
    & skf21("1","6","2","6","7","1","7","1") = "6"
    & skf21("1","6","2","6","7","2","1","1") = "6"
    & skf21("1","6","2","6","7","2","2","1") = "6"
    & skf21("1","6","2","6","7","2","3","1") = "6"
    & skf21("1","6","2","6","7","2","4","1") = "6"
    & skf21("1","6","2","6","7","2","5","1") = "6"
    & skf21("1","6","2","6","7","2","6","1") = "6"
    & skf21("1","6","2","6","7","2","7","1") = "6"
    & skf21("1","6","2","6","7","3","1","1") = "6"
    & skf21("1","6","2","6","7","3","2","1") = "6"
    & skf21("1","6","2","6","7","3","3","1") = "6"
    & skf21("1","6","2","6","7","3","4","1") = "6"
    & skf21("1","6","2","6","7","3","5","1") = "6"
    & skf21("1","6","2","6","7","3","6","1") = "6"
    & skf21("1","6","2","6","7","3","7","1") = "6"
    & skf21("1","6","2","6","7","4","1","1") = "6"
    & skf21("1","6","2","6","7","4","2","1") = "6"
    & skf21("1","6","2","6","7","4","3","1") = "6"
    & skf21("1","6","2","6","7","4","4","1") = "6"
    & skf21("1","6","2","6","7","4","5","1") = "6"
    & skf21("1","6","2","6","7","4","6","1") = "6"
    & skf21("1","6","2","6","7","4","7","1") = "6"
    & skf21("1","6","2","6","7","5","1","1") = "6"
    & skf21("1","6","2","6","7","5","2","1") = "6"
    & skf21("1","6","2","6","7","5","3","1") = "6"
    & skf21("1","6","2","6","7","5","4","1") = "6"
    & skf21("1","6","2","6","7","5","5","1") = "6"
    & skf21("1","6","2","6","7","5","6","1") = "6"
    & skf21("1","6","2","6","7","5","7","1") = "6"
    & skf21("1","6","2","6","7","6","1","1") = "6"
    & skf21("1","6","2","6","7","6","2","1") = "6"
    & skf21("1","6","2","6","7","6","3","1") = "6"
    & skf21("1","6","2","6","7","6","4","1") = "6"
    & skf21("1","6","2","6","7","6","5","1") = "6"
    & skf21("1","6","2","6","7","6","6","1") = "6"
    & skf21("1","6","2","6","7","6","7","1") = "6"
    & skf21("1","6","2","6","7","7","1","1") = "6"
    & skf21("1","6","2","6","7","7","2","1") = "6"
    & skf21("1","6","2","6","7","7","3","1") = "6"
    & skf21("1","6","2","6","7","7","4","1") = "6"
    & skf21("1","6","2","6","7","7","5","1") = "6"
    & skf21("1","6","2","6","7","7","6","1") = "6"
    & skf21("1","6","2","6","7","7","7","1") = "6"
    & skf21("1","6","2","7","1","1","1","1") = "6"
    & skf21("1","6","2","7","1","1","2","1") = "6"
    & skf21("1","6","2","7","1","1","3","1") = "6"
    & skf21("1","6","2","7","1","1","4","1") = "6"
    & skf21("1","6","2","7","1","1","5","1") = "6"
    & skf21("1","6","2","7","1","1","6","1") = "6"
    & skf21("1","6","2","7","1","1","7","1") = "6"
    & skf21("1","6","2","7","1","2","1","1") = "6"
    & skf21("1","6","2","7","1","2","2","1") = "6"
    & skf21("1","6","2","7","1","2","3","1") = "6"
    & skf21("1","6","2","7","1","2","4","1") = "6"
    & skf21("1","6","2","7","1","2","5","1") = "6"
    & skf21("1","6","2","7","1","2","6","1") = "6"
    & skf21("1","6","2","7","1","2","7","1") = "6"
    & skf21("1","6","2","7","1","3","1","1") = "6"
    & skf21("1","6","2","7","1","3","2","1") = "6"
    & skf21("1","6","2","7","1","3","3","1") = "6"
    & skf21("1","6","2","7","1","3","4","1") = "6"
    & skf21("1","6","2","7","1","3","5","1") = "6"
    & skf21("1","6","2","7","1","3","6","1") = "6"
    & skf21("1","6","2","7","1","3","7","1") = "6"
    & skf21("1","6","2","7","1","4","1","1") = "6"
    & skf21("1","6","2","7","1","4","2","1") = "6"
    & skf21("1","6","2","7","1","4","3","1") = "6"
    & skf21("1","6","2","7","1","4","4","1") = "6"
    & skf21("1","6","2","7","1","4","5","1") = "6"
    & skf21("1","6","2","7","1","4","6","1") = "6"
    & skf21("1","6","2","7","1","4","7","1") = "6"
    & skf21("1","6","2","7","1","5","1","1") = "6"
    & skf21("1","6","2","7","1","5","2","1") = "6"
    & skf21("1","6","2","7","1","5","3","1") = "6"
    & skf21("1","6","2","7","1","5","4","1") = "6"
    & skf21("1","6","2","7","1","5","5","1") = "6"
    & skf21("1","6","2","7","1","5","6","1") = "6"
    & skf21("1","6","2","7","1","5","7","1") = "6"
    & skf21("1","6","2","7","1","6","1","1") = "6"
    & skf21("1","6","2","7","1","6","2","1") = "6"
    & skf21("1","6","2","7","1","6","3","1") = "6"
    & skf21("1","6","2","7","1","6","4","1") = "6"
    & skf21("1","6","2","7","1","6","5","1") = "6"
    & skf21("1","6","2","7","1","6","6","1") = "6"
    & skf21("1","6","2","7","1","6","7","1") = "6"
    & skf21("1","6","2","7","1","7","1","1") = "6"
    & skf21("1","6","2","7","1","7","2","1") = "6"
    & skf21("1","6","2","7","1","7","3","1") = "6"
    & skf21("1","6","2","7","1","7","4","1") = "6"
    & skf21("1","6","2","7","1","7","5","1") = "6"
    & skf21("1","6","2","7","1","7","6","1") = "6"
    & skf21("1","6","2","7","1","7","7","1") = "6"
    & skf21("1","6","2","7","2","1","1","1") = "6"
    & skf21("1","6","2","7","2","1","2","1") = "6"
    & skf21("1","6","2","7","2","1","3","1") = "6"
    & skf21("1","6","2","7","2","1","4","1") = "6"
    & skf21("1","6","2","7","2","1","5","1") = "6"
    & skf21("1","6","2","7","2","1","6","1") = "6"
    & skf21("1","6","2","7","2","1","7","1") = "6"
    & skf21("1","6","2","7","2","2","1","1") = "6"
    & skf21("1","6","2","7","2","2","2","1") = "6"
    & skf21("1","6","2","7","2","2","3","1") = "6"
    & skf21("1","6","2","7","2","2","4","1") = "6"
    & skf21("1","6","2","7","2","2","5","1") = "6"
    & skf21("1","6","2","7","2","2","6","1") = "6"
    & skf21("1","6","2","7","2","2","7","1") = "6"
    & skf21("1","6","2","7","2","3","1","1") = "6"
    & skf21("1","6","2","7","2","3","2","1") = "6"
    & skf21("1","6","2","7","2","3","3","1") = "6"
    & skf21("1","6","2","7","2","3","4","1") = "6"
    & skf21("1","6","2","7","2","3","5","1") = "6"
    & skf21("1","6","2","7","2","3","6","1") = "6"
    & skf21("1","6","2","7","2","3","7","1") = "6"
    & skf21("1","6","2","7","2","4","1","1") = "6"
    & skf21("1","6","2","7","2","4","2","1") = "6"
    & skf21("1","6","2","7","2","4","3","1") = "6"
    & skf21("1","6","2","7","2","4","4","1") = "6"
    & skf21("1","6","2","7","2","4","5","1") = "6"
    & skf21("1","6","2","7","2","4","6","1") = "6"
    & skf21("1","6","2","7","2","4","7","1") = "6"
    & skf21("1","6","2","7","2","5","1","1") = "6"
    & skf21("1","6","2","7","2","5","2","1") = "6"
    & skf21("1","6","2","7","2","5","3","1") = "6"
    & skf21("1","6","2","7","2","5","4","1") = "6"
    & skf21("1","6","2","7","2","5","5","1") = "6"
    & skf21("1","6","2","7","2","5","6","1") = "6"
    & skf21("1","6","2","7","2","5","7","1") = "6"
    & skf21("1","6","2","7","2","6","1","1") = "6"
    & skf21("1","6","2","7","2","6","2","1") = "6"
    & skf21("1","6","2","7","2","6","3","1") = "6"
    & skf21("1","6","2","7","2","6","4","1") = "6"
    & skf21("1","6","2","7","2","6","5","1") = "6"
    & skf21("1","6","2","7","2","6","6","1") = "6"
    & skf21("1","6","2","7","2","6","7","1") = "6"
    & skf21("1","6","2","7","2","7","1","1") = "6"
    & skf21("1","6","2","7","2","7","2","1") = "6"
    & skf21("1","6","2","7","2","7","3","1") = "6"
    & skf21("1","6","2","7","2","7","4","1") = "6"
    & skf21("1","6","2","7","2","7","5","1") = "6"
    & skf21("1","6","2","7","2","7","6","1") = "6"
    & skf21("1","6","2","7","2","7","7","1") = "6"
    & skf21("1","6","2","7","3","1","1","1") = "6"
    & skf21("1","6","2","7","3","1","2","1") = "6"
    & skf21("1","6","2","7","3","1","3","1") = "6"
    & skf21("1","6","2","7","3","1","4","1") = "6"
    & skf21("1","6","2","7","3","1","5","1") = "6"
    & skf21("1","6","2","7","3","1","6","1") = "6"
    & skf21("1","6","2","7","3","1","7","1") = "6"
    & skf21("1","6","2","7","3","2","1","1") = "6"
    & skf21("1","6","2","7","3","2","2","1") = "6"
    & skf21("1","6","2","7","3","2","3","1") = "6"
    & skf21("1","6","2","7","3","2","4","1") = "6"
    & skf21("1","6","2","7","3","2","5","1") = "6"
    & skf21("1","6","2","7","3","2","6","1") = "6"
    & skf21("1","6","2","7","3","2","7","1") = "6"
    & skf21("1","6","2","7","3","3","1","1") = "6"
    & skf21("1","6","2","7","3","3","2","1") = "6"
    & skf21("1","6","2","7","3","3","3","1") = "6"
    & skf21("1","6","2","7","3","3","4","1") = "6"
    & skf21("1","6","2","7","3","3","5","1") = "6"
    & skf21("1","6","2","7","3","3","6","1") = "6"
    & skf21("1","6","2","7","3","3","7","1") = "6"
    & skf21("1","6","2","7","3","4","1","1") = "6"
    & skf21("1","6","2","7","3","4","2","1") = "6"
    & skf21("1","6","2","7","3","4","3","1") = "6"
    & skf21("1","6","2","7","3","4","4","1") = "6"
    & skf21("1","6","2","7","3","4","5","1") = "6"
    & skf21("1","6","2","7","3","4","6","1") = "6"
    & skf21("1","6","2","7","3","4","7","1") = "6"
    & skf21("1","6","2","7","3","5","1","1") = "6"
    & skf21("1","6","2","7","3","5","2","1") = "6"
    & skf21("1","6","2","7","3","5","3","1") = "6"
    & skf21("1","6","2","7","3","5","4","1") = "6"
    & skf21("1","6","2","7","3","5","5","1") = "6"
    & skf21("1","6","2","7","3","5","6","1") = "6"
    & skf21("1","6","2","7","3","5","7","1") = "6"
    & skf21("1","6","2","7","3","6","1","1") = "6"
    & skf21("1","6","2","7","3","6","2","1") = "6"
    & skf21("1","6","2","7","3","6","3","1") = "6"
    & skf21("1","6","2","7","3","6","4","1") = "6"
    & skf21("1","6","2","7","3","6","5","1") = "6"
    & skf21("1","6","2","7","3","6","6","1") = "6"
    & skf21("1","6","2","7","3","6","7","1") = "6"
    & skf21("1","6","2","7","3","7","1","1") = "6"
    & skf21("1","6","2","7","3","7","2","1") = "6"
    & skf21("1","6","2","7","3","7","3","1") = "6"
    & skf21("1","6","2","7","3","7","4","1") = "6"
    & skf21("1","6","2","7","3","7","5","1") = "6"
    & skf21("1","6","2","7","3","7","6","1") = "6"
    & skf21("1","6","2","7","3","7","7","1") = "6"
    & skf21("1","6","2","7","4","1","1","1") = "6"
    & skf21("1","6","2","7","4","1","2","1") = "6"
    & skf21("1","6","2","7","4","1","3","1") = "6"
    & skf21("1","6","2","7","4","1","4","1") = "6"
    & skf21("1","6","2","7","4","1","5","1") = "6"
    & skf21("1","6","2","7","4","1","6","1") = "6"
    & skf21("1","6","2","7","4","1","7","1") = "6"
    & skf21("1","6","2","7","4","2","1","1") = "6"
    & skf21("1","6","2","7","4","2","2","1") = "6"
    & skf21("1","6","2","7","4","2","3","1") = "6"
    & skf21("1","6","2","7","4","2","4","1") = "6"
    & skf21("1","6","2","7","4","2","5","1") = "6"
    & skf21("1","6","2","7","4","2","6","1") = "6"
    & skf21("1","6","2","7","4","2","7","1") = "6"
    & skf21("1","6","2","7","4","3","1","1") = "6"
    & skf21("1","6","2","7","4","3","2","1") = "6"
    & skf21("1","6","2","7","4","3","3","1") = "6"
    & skf21("1","6","2","7","4","3","4","1") = "6"
    & skf21("1","6","2","7","4","3","5","1") = "6"
    & skf21("1","6","2","7","4","3","6","1") = "6"
    & skf21("1","6","2","7","4","3","7","1") = "6"
    & skf21("1","6","2","7","4","4","1","1") = "6"
    & skf21("1","6","2","7","4","4","2","1") = "6"
    & skf21("1","6","2","7","4","4","3","1") = "6"
    & skf21("1","6","2","7","4","4","4","1") = "6"
    & skf21("1","6","2","7","4","4","5","1") = "6"
    & skf21("1","6","2","7","4","4","6","1") = "6"
    & skf21("1","6","2","7","4","4","7","1") = "6"
    & skf21("1","6","2","7","4","5","1","1") = "6"
    & skf21("1","6","2","7","4","5","2","1") = "6"
    & skf21("1","6","2","7","4","5","3","1") = "6"
    & skf21("1","6","2","7","4","5","4","1") = "6"
    & skf21("1","6","2","7","4","5","5","1") = "6"
    & skf21("1","6","2","7","4","5","6","1") = "6"
    & skf21("1","6","2","7","4","5","7","1") = "6"
    & skf21("1","6","2","7","4","6","1","1") = "6"
    & skf21("1","6","2","7","4","6","2","1") = "6"
    & skf21("1","6","2","7","4","6","3","1") = "6"
    & skf21("1","6","2","7","4","6","4","1") = "6"
    & skf21("1","6","2","7","4","6","5","1") = "6"
    & skf21("1","6","2","7","4","6","6","1") = "6"
    & skf21("1","6","2","7","4","6","7","1") = "6"
    & skf21("1","6","2","7","4","7","1","1") = "6"
    & skf21("1","6","2","7","4","7","2","1") = "6"
    & skf21("1","6","2","7","4","7","3","1") = "6"
    & skf21("1","6","2","7","4","7","4","1") = "6"
    & skf21("1","6","2","7","4","7","5","1") = "6"
    & skf21("1","6","2","7","4","7","6","1") = "6"
    & skf21("1","6","2","7","4","7","7","1") = "6"
    & skf21("1","6","2","7","5","1","1","1") = "6"
    & skf21("1","6","2","7","5","1","2","1") = "6"
    & skf21("1","6","2","7","5","1","3","1") = "6"
    & skf21("1","6","2","7","5","1","4","1") = "6"
    & skf21("1","6","2","7","5","1","5","1") = "6"
    & skf21("1","6","2","7","5","1","6","1") = "6"
    & skf21("1","6","2","7","5","1","7","1") = "6"
    & skf21("1","6","2","7","5","2","1","1") = "6"
    & skf21("1","6","2","7","5","2","2","1") = "6"
    & skf21("1","6","2","7","5","2","3","1") = "6"
    & skf21("1","6","2","7","5","2","4","1") = "6"
    & skf21("1","6","2","7","5","2","5","1") = "6"
    & skf21("1","6","2","7","5","2","6","1") = "6"
    & skf21("1","6","2","7","5","2","7","1") = "6"
    & skf21("1","6","2","7","5","3","1","1") = "6"
    & skf21("1","6","2","7","5","3","2","1") = "6"
    & skf21("1","6","2","7","5","3","3","1") = "6"
    & skf21("1","6","2","7","5","3","4","1") = "6"
    & skf21("1","6","2","7","5","3","5","1") = "6"
    & skf21("1","6","2","7","5","3","6","1") = "6"
    & skf21("1","6","2","7","5","3","7","1") = "6"
    & skf21("1","6","2","7","5","4","1","1") = "6"
    & skf21("1","6","2","7","5","4","2","1") = "6"
    & skf21("1","6","2","7","5","4","3","1") = "6"
    & skf21("1","6","2","7","5","4","4","1") = "6"
    & skf21("1","6","2","7","5","4","5","1") = "6"
    & skf21("1","6","2","7","5","4","6","1") = "6"
    & skf21("1","6","2","7","5","4","7","1") = "6"
    & skf21("1","6","2","7","5","5","1","1") = "6"
    & skf21("1","6","2","7","5","5","2","1") = "6"
    & skf21("1","6","2","7","5","5","3","1") = "6"
    & skf21("1","6","2","7","5","5","4","1") = "6"
    & skf21("1","6","2","7","5","5","5","1") = "6"
    & skf21("1","6","2","7","5","5","6","1") = "6"
    & skf21("1","6","2","7","5","5","7","1") = "6"
    & skf21("1","6","2","7","5","6","1","1") = "6"
    & skf21("1","6","2","7","5","6","2","1") = "6"
    & skf21("1","6","2","7","5","6","3","1") = "6"
    & skf21("1","6","2","7","5","6","4","1") = "6"
    & skf21("1","6","2","7","5","6","5","1") = "6"
    & skf21("1","6","2","7","5","6","6","1") = "6"
    & skf21("1","6","2","7","5","6","7","1") = "6"
    & skf21("1","6","2","7","5","7","1","1") = "6"
    & skf21("1","6","2","7","5","7","2","1") = "6"
    & skf21("1","6","2","7","5","7","3","1") = "6"
    & skf21("1","6","2","7","5","7","4","1") = "6"
    & skf21("1","6","2","7","5","7","5","1") = "6"
    & skf21("1","6","2","7","5","7","6","1") = "6"
    & skf21("1","6","2","7","5","7","7","1") = "6"
    & skf21("1","6","2","7","6","1","1","1") = "6"
    & skf21("1","6","2","7","6","1","2","1") = "6"
    & skf21("1","6","2","7","6","1","3","1") = "6"
    & skf21("1","6","2","7","6","1","4","1") = "6"
    & skf21("1","6","2","7","6","1","5","1") = "6"
    & skf21("1","6","2","7","6","1","6","1") = "6"
    & skf21("1","6","2","7","6","1","7","1") = "6"
    & skf21("1","6","2","7","6","2","1","1") = "6"
    & skf21("1","6","2","7","6","2","2","1") = "6"
    & skf21("1","6","2","7","6","2","3","1") = "6"
    & skf21("1","6","2","7","6","2","4","1") = "6"
    & skf21("1","6","2","7","6","2","5","1") = "6"
    & skf21("1","6","2","7","6","2","6","1") = "6"
    & skf21("1","6","2","7","6","2","7","1") = "6"
    & skf21("1","6","2","7","6","3","1","1") = "6"
    & skf21("1","6","2","7","6","3","2","1") = "6"
    & skf21("1","6","2","7","6","3","3","1") = "6"
    & skf21("1","6","2","7","6","3","4","1") = "6"
    & skf21("1","6","2","7","6","3","5","1") = "6"
    & skf21("1","6","2","7","6","3","6","1") = "6"
    & skf21("1","6","2","7","6","3","7","1") = "6"
    & skf21("1","6","2","7","6","4","1","1") = "6"
    & skf21("1","6","2","7","6","4","2","1") = "6"
    & skf21("1","6","2","7","6","4","3","1") = "6"
    & skf21("1","6","2","7","6","4","4","1") = "6"
    & skf21("1","6","2","7","6","4","5","1") = "6"
    & skf21("1","6","2","7","6","4","6","1") = "6"
    & skf21("1","6","2","7","6","4","7","1") = "6"
    & skf21("1","6","2","7","6","5","1","1") = "6"
    & skf21("1","6","2","7","6","5","2","1") = "6"
    & skf21("1","6","2","7","6","5","3","1") = "6"
    & skf21("1","6","2","7","6","5","4","1") = "6"
    & skf21("1","6","2","7","6","5","5","1") = "6"
    & skf21("1","6","2","7","6","5","6","1") = "6"
    & skf21("1","6","2","7","6","5","7","1") = "6"
    & skf21("1","6","2","7","6","6","1","1") = "6"
    & skf21("1","6","2","7","6","6","2","1") = "6"
    & skf21("1","6","2","7","6","6","3","1") = "6"
    & skf21("1","6","2","7","6","6","4","1") = "6"
    & skf21("1","6","2","7","6","6","5","1") = "6"
    & skf21("1","6","2","7","6","6","6","1") = "6"
    & skf21("1","6","2","7","6","6","7","1") = "6"
    & skf21("1","6","2","7","6","7","1","1") = "6"
    & skf21("1","6","2","7","6","7","2","1") = "6"
    & skf21("1","6","2","7","6","7","3","1") = "6"
    & skf21("1","6","2","7","6","7","4","1") = "6"
    & skf21("1","6","2","7","6","7","5","1") = "6"
    & skf21("1","6","2","7","6","7","6","1") = "6"
    & skf21("1","6","2","7","6","7","7","1") = "6"
    & skf21("1","6","2","7","7","1","1","1") = "6"
    & skf21("1","6","2","7","7","1","2","1") = "6"
    & skf21("1","6","2","7","7","1","3","1") = "6"
    & skf21("1","6","2","7","7","1","4","1") = "6"
    & skf21("1","6","2","7","7","1","5","1") = "6"
    & skf21("1","6","2","7","7","1","6","1") = "6"
    & skf21("1","6","2","7","7","1","7","1") = "6"
    & skf21("1","6","2","7","7","2","1","1") = "6"
    & skf21("1","6","2","7","7","2","2","1") = "6"
    & skf21("1","6","2","7","7","2","3","1") = "6"
    & skf21("1","6","2","7","7","2","4","1") = "6"
    & skf21("1","6","2","7","7","2","5","1") = "6"
    & skf21("1","6","2","7","7","2","6","1") = "6"
    & skf21("1","6","2","7","7","2","7","1") = "6"
    & skf21("1","6","2","7","7","3","1","1") = "6"
    & skf21("1","6","2","7","7","3","2","1") = "6"
    & skf21("1","6","2","7","7","3","3","1") = "6"
    & skf21("1","6","2","7","7","3","4","1") = "6"
    & skf21("1","6","2","7","7","3","5","1") = "6"
    & skf21("1","6","2","7","7","3","6","1") = "6"
    & skf21("1","6","2","7","7","3","7","1") = "6"
    & skf21("1","6","2","7","7","4","1","1") = "6"
    & skf21("1","6","2","7","7","4","2","1") = "6"
    & skf21("1","6","2","7","7","4","3","1") = "6"
    & skf21("1","6","2","7","7","4","4","1") = "6"
    & skf21("1","6","2","7","7","4","5","1") = "6"
    & skf21("1","6","2","7","7","4","6","1") = "6"
    & skf21("1","6","2","7","7","4","7","1") = "6"
    & skf21("1","6","2","7","7","5","1","1") = "6"
    & skf21("1","6","2","7","7","5","2","1") = "6"
    & skf21("1","6","2","7","7","5","3","1") = "6"
    & skf21("1","6","2","7","7","5","4","1") = "6"
    & skf21("1","6","2","7","7","5","5","1") = "6"
    & skf21("1","6","2","7","7","5","6","1") = "6"
    & skf21("1","6","2","7","7","5","7","1") = "6"
    & skf21("1","6","2","7","7","6","1","1") = "6"
    & skf21("1","6","2","7","7","6","2","1") = "6"
    & skf21("1","6","2","7","7","6","3","1") = "6"
    & skf21("1","6","2","7","7","6","4","1") = "6"
    & skf21("1","6","2","7","7","6","5","1") = "6"
    & skf21("1","6","2","7","7","6","6","1") = "6"
    & skf21("1","6","2","7","7","6","7","1") = "6"
    & skf21("1","6","2","7","7","7","1","1") = "6"
    & skf21("1","6","2","7","7","7","2","1") = "6"
    & skf21("1","6","2","7","7","7","3","1") = "6"
    & skf21("1","6","2","7","7","7","4","1") = "6"
    & skf21("1","6","2","7","7","7","5","1") = "6"
    & skf21("1","6","2","7","7","7","6","1") = "6"
    & skf21("1","6","2","7","7","7","7","1") = "6"
    & skf21("1","6","3","1","1","1","1","1") = "5"
    & skf21("1","6","3","1","1","1","2","1") = "5"
    & skf21("1","6","3","1","1","1","3","1") = "5"
    & skf21("1","6","3","1","1","1","4","1") = "5"
    & skf21("1","6","3","1","1","1","5","1") = "5"
    & skf21("1","6","3","1","1","1","6","1") = "5"
    & skf21("1","6","3","1","1","1","7","1") = "6"
    & skf21("1","6","3","1","1","2","1","1") = "5"
    & skf21("1","6","3","1","1","2","2","1") = "5"
    & skf21("1","6","3","1","1","2","3","1") = "5"
    & skf21("1","6","3","1","1","2","4","1") = "5"
    & skf21("1","6","3","1","1","2","5","1") = "5"
    & skf21("1","6","3","1","1","2","6","1") = "5"
    & skf21("1","6","3","1","1","2","7","1") = "6"
    & skf21("1","6","3","1","1","3","1","1") = "5"
    & skf21("1","6","3","1","1","3","2","1") = "5"
    & skf21("1","6","3","1","1","3","3","1") = "5"
    & skf21("1","6","3","1","1","3","4","1") = "5"
    & skf21("1","6","3","1","1","3","5","1") = "5"
    & skf21("1","6","3","1","1","3","6","1") = "5"
    & skf21("1","6","3","1","1","3","7","1") = "6"
    & skf21("1","6","3","1","1","4","1","1") = "5"
    & skf21("1","6","3","1","1","4","2","1") = "5"
    & skf21("1","6","3","1","1","4","3","1") = "5"
    & skf21("1","6","3","1","1","4","4","1") = "5"
    & skf21("1","6","3","1","1","4","5","1") = "5"
    & skf21("1","6","3","1","1","4","6","1") = "5"
    & skf21("1","6","3","1","1","4","7","1") = "6"
    & skf21("1","6","3","1","1","5","1","1") = "5"
    & skf21("1","6","3","1","1","5","2","1") = "5"
    & skf21("1","6","3","1","1","5","3","1") = "5"
    & skf21("1","6","3","1","1","5","4","1") = "5"
    & skf21("1","6","3","1","1","5","5","1") = "5"
    & skf21("1","6","3","1","1","5","6","1") = "5"
    & skf21("1","6","3","1","1","5","7","1") = "6"
    & skf21("1","6","3","1","1","6","1","1") = "5"
    & skf21("1","6","3","1","1","6","2","1") = "5"
    & skf21("1","6","3","1","1","6","3","1") = "5"
    & skf21("1","6","3","1","1","6","4","1") = "5"
    & skf21("1","6","3","1","1","6","5","1") = "5"
    & skf21("1","6","3","1","1","6","6","1") = "5"
    & skf21("1","6","3","1","1","6","7","1") = "6"
    & skf21("1","6","3","1","1","7","1","1") = "6"
    & skf21("1","6","3","1","1","7","2","1") = "6"
    & skf21("1","6","3","1","1","7","3","1") = "6"
    & skf21("1","6","3","1","1","7","4","1") = "6"
    & skf21("1","6","3","1","1","7","5","1") = "6"
    & skf21("1","6","3","1","1","7","6","1") = "6"
    & skf21("1","6","3","1","1","7","7","1") = "6"
    & skf21("1","6","3","1","2","1","1","1") = "5"
    & skf21("1","6","3","1","2","1","2","1") = "5"
    & skf21("1","6","3","1","2","1","3","1") = "5"
    & skf21("1","6","3","1","2","1","4","1") = "5"
    & skf21("1","6","3","1","2","1","5","1") = "5"
    & skf21("1","6","3","1","2","1","6","1") = "5"
    & skf21("1","6","3","1","2","1","7","1") = "6"
    & skf21("1","6","3","1","2","2","1","1") = "5"
    & skf21("1","6","3","1","2","2","2","1") = "5"
    & skf21("1","6","3","1","2","2","3","1") = "5"
    & skf21("1","6","3","1","2","2","4","1") = "5"
    & skf21("1","6","3","1","2","2","5","1") = "5"
    & skf21("1","6","3","1","2","2","6","1") = "5"
    & skf21("1","6","3","1","2","2","7","1") = "6"
    & skf21("1","6","3","1","2","3","1","1") = "5"
    & skf21("1","6","3","1","2","3","2","1") = "5"
    & skf21("1","6","3","1","2","3","3","1") = "5"
    & skf21("1","6","3","1","2","3","4","1") = "5"
    & skf21("1","6","3","1","2","3","5","1") = "5"
    & skf21("1","6","3","1","2","3","6","1") = "5"
    & skf21("1","6","3","1","2","3","7","1") = "6"
    & skf21("1","6","3","1","2","4","1","1") = "5"
    & skf21("1","6","3","1","2","4","2","1") = "5"
    & skf21("1","6","3","1","2","4","3","1") = "5"
    & skf21("1","6","3","1","2","4","4","1") = "5"
    & skf21("1","6","3","1","2","4","5","1") = "5"
    & skf21("1","6","3","1","2","4","6","1") = "5"
    & skf21("1","6","3","1","2","4","7","1") = "6"
    & skf21("1","6","3","1","2","5","1","1") = "5"
    & skf21("1","6","3","1","2","5","2","1") = "5"
    & skf21("1","6","3","1","2","5","3","1") = "5"
    & skf21("1","6","3","1","2","5","4","1") = "5"
    & skf21("1","6","3","1","2","5","5","1") = "5"
    & skf21("1","6","3","1","2","5","6","1") = "5"
    & skf21("1","6","3","1","2","5","7","1") = "6"
    & skf21("1","6","3","1","2","6","1","1") = "5"
    & skf21("1","6","3","1","2","6","2","1") = "5"
    & skf21("1","6","3","1","2","6","3","1") = "5"
    & skf21("1","6","3","1","2","6","4","1") = "5"
    & skf21("1","6","3","1","2","6","5","1") = "5"
    & skf21("1","6","3","1","2","6","6","1") = "5"
    & skf21("1","6","3","1","2","6","7","1") = "6"
    & skf21("1","6","3","1","2","7","1","1") = "6"
    & skf21("1","6","3","1","2","7","2","1") = "6"
    & skf21("1","6","3","1","2","7","3","1") = "6"
    & skf21("1","6","3","1","2","7","4","1") = "6"
    & skf21("1","6","3","1","2","7","5","1") = "6"
    & skf21("1","6","3","1","2","7","6","1") = "6"
    & skf21("1","6","3","1","2","7","7","1") = "6"
    & skf21("1","6","3","1","3","1","1","1") = "5"
    & skf21("1","6","3","1","3","1","2","1") = "5"
    & skf21("1","6","3","1","3","1","3","1") = "5"
    & skf21("1","6","3","1","3","1","4","1") = "5"
    & skf21("1","6","3","1","3","1","5","1") = "5"
    & skf21("1","6","3","1","3","1","6","1") = "5"
    & skf21("1","6","3","1","3","1","7","1") = "6"
    & skf21("1","6","3","1","3","2","1","1") = "5"
    & skf21("1","6","3","1","3","2","2","1") = "5"
    & skf21("1","6","3","1","3","2","3","1") = "5"
    & skf21("1","6","3","1","3","2","4","1") = "5"
    & skf21("1","6","3","1","3","2","5","1") = "5"
    & skf21("1","6","3","1","3","2","6","1") = "5"
    & skf21("1","6","3","1","3","2","7","1") = "6"
    & skf21("1","6","3","1","3","3","1","1") = "5"
    & skf21("1","6","3","1","3","3","2","1") = "5"
    & skf21("1","6","3","1","3","3","3","1") = "5"
    & skf21("1","6","3","1","3","3","4","1") = "5"
    & skf21("1","6","3","1","3","3","5","1") = "5"
    & skf21("1","6","3","1","3","3","6","1") = "5"
    & skf21("1","6","3","1","3","3","7","1") = "6"
    & skf21("1","6","3","1","3","4","1","1") = "5"
    & skf21("1","6","3","1","3","4","2","1") = "5"
    & skf21("1","6","3","1","3","4","3","1") = "5"
    & skf21("1","6","3","1","3","4","4","1") = "5"
    & skf21("1","6","3","1","3","4","5","1") = "5"
    & skf21("1","6","3","1","3","4","6","1") = "5"
    & skf21("1","6","3","1","3","4","7","1") = "6"
    & skf21("1","6","3","1","3","5","1","1") = "5"
    & skf21("1","6","3","1","3","5","2","1") = "5"
    & skf21("1","6","3","1","3","5","3","1") = "5"
    & skf21("1","6","3","1","3","5","4","1") = "5"
    & skf21("1","6","3","1","3","5","5","1") = "5"
    & skf21("1","6","3","1","3","5","6","1") = "5"
    & skf21("1","6","3","1","3","5","7","1") = "6"
    & skf21("1","6","3","1","3","6","1","1") = "5"
    & skf21("1","6","3","1","3","6","2","1") = "5"
    & skf21("1","6","3","1","3","6","3","1") = "5"
    & skf21("1","6","3","1","3","6","4","1") = "5"
    & skf21("1","6","3","1","3","6","5","1") = "5"
    & skf21("1","6","3","1","3","6","6","1") = "5"
    & skf21("1","6","3","1","3","6","7","1") = "6"
    & skf21("1","6","3","1","3","7","1","1") = "6"
    & skf21("1","6","3","1","3","7","2","1") = "6"
    & skf21("1","6","3","1","3","7","3","1") = "6"
    & skf21("1","6","3","1","3","7","4","1") = "6"
    & skf21("1","6","3","1","3","7","5","1") = "6"
    & skf21("1","6","3","1","3","7","6","1") = "6"
    & skf21("1","6","3","1","3","7","7","1") = "6"
    & skf21("1","6","3","1","4","1","1","1") = "5"
    & skf21("1","6","3","1","4","1","2","1") = "5"
    & skf21("1","6","3","1","4","1","3","1") = "5"
    & skf21("1","6","3","1","4","1","4","1") = "5"
    & skf21("1","6","3","1","4","1","5","1") = "5"
    & skf21("1","6","3","1","4","1","6","1") = "5"
    & skf21("1","6","3","1","4","1","7","1") = "6"
    & skf21("1","6","3","1","4","2","1","1") = "5"
    & skf21("1","6","3","1","4","2","2","1") = "5"
    & skf21("1","6","3","1","4","2","3","1") = "5"
    & skf21("1","6","3","1","4","2","4","1") = "5"
    & skf21("1","6","3","1","4","2","5","1") = "5"
    & skf21("1","6","3","1","4","2","6","1") = "5"
    & skf21("1","6","3","1","4","2","7","1") = "6"
    & skf21("1","6","3","1","4","3","1","1") = "5"
    & skf21("1","6","3","1","4","3","2","1") = "5"
    & skf21("1","6","3","1","4","3","3","1") = "5"
    & skf21("1","6","3","1","4","3","4","1") = "5"
    & skf21("1","6","3","1","4","3","5","1") = "5"
    & skf21("1","6","3","1","4","3","6","1") = "5"
    & skf21("1","6","3","1","4","3","7","1") = "6"
    & skf21("1","6","3","1","4","4","1","1") = "5"
    & skf21("1","6","3","1","4","4","2","1") = "5"
    & skf21("1","6","3","1","4","4","3","1") = "5"
    & skf21("1","6","3","1","4","4","4","1") = "5"
    & skf21("1","6","3","1","4","4","5","1") = "5"
    & skf21("1","6","3","1","4","4","6","1") = "5"
    & skf21("1","6","3","1","4","4","7","1") = "6"
    & skf21("1","6","3","1","4","5","1","1") = "5"
    & skf21("1","6","3","1","4","5","2","1") = "5"
    & skf21("1","6","3","1","4","5","3","1") = "5"
    & skf21("1","6","3","1","4","5","4","1") = "5"
    & skf21("1","6","3","1","4","5","5","1") = "5"
    & skf21("1","6","3","1","4","5","6","1") = "5"
    & skf21("1","6","3","1","4","5","7","1") = "6"
    & skf21("1","6","3","1","4","6","1","1") = "5"
    & skf21("1","6","3","1","4","6","2","1") = "5"
    & skf21("1","6","3","1","4","6","3","1") = "5"
    & skf21("1","6","3","1","4","6","4","1") = "5"
    & skf21("1","6","3","1","4","6","5","1") = "5"
    & skf21("1","6","3","1","4","6","6","1") = "5"
    & skf21("1","6","3","1","4","6","7","1") = "6"
    & skf21("1","6","3","1","4","7","1","1") = "6"
    & skf21("1","6","3","1","4","7","2","1") = "6"
    & skf21("1","6","3","1","4","7","3","1") = "6"
    & skf21("1","6","3","1","4","7","4","1") = "6"
    & skf21("1","6","3","1","4","7","5","1") = "6"
    & skf21("1","6","3","1","4","7","6","1") = "6"
    & skf21("1","6","3","1","4","7","7","1") = "6"
    & skf21("1","6","3","1","5","1","1","1") = "5"
    & skf21("1","6","3","1","5","1","2","1") = "5"
    & skf21("1","6","3","1","5","1","3","1") = "5"
    & skf21("1","6","3","1","5","1","4","1") = "5"
    & skf21("1","6","3","1","5","1","5","1") = "5"
    & skf21("1","6","3","1","5","1","6","1") = "5"
    & skf21("1","6","3","1","5","1","7","1") = "6"
    & skf21("1","6","3","1","5","2","1","1") = "5"
    & skf21("1","6","3","1","5","2","2","1") = "5"
    & skf21("1","6","3","1","5","2","3","1") = "5"
    & skf21("1","6","3","1","5","2","4","1") = "5"
    & skf21("1","6","3","1","5","2","5","1") = "5"
    & skf21("1","6","3","1","5","2","6","1") = "5"
    & skf21("1","6","3","1","5","2","7","1") = "6"
    & skf21("1","6","3","1","5","3","1","1") = "5"
    & skf21("1","6","3","1","5","3","2","1") = "5"
    & skf21("1","6","3","1","5","3","3","1") = "5"
    & skf21("1","6","3","1","5","3","4","1") = "5"
    & skf21("1","6","3","1","5","3","5","1") = "5"
    & skf21("1","6","3","1","5","3","6","1") = "5"
    & skf21("1","6","3","1","5","3","7","1") = "6"
    & skf21("1","6","3","1","5","4","1","1") = "5"
    & skf21("1","6","3","1","5","4","2","1") = "5"
    & skf21("1","6","3","1","5","4","3","1") = "5"
    & skf21("1","6","3","1","5","4","4","1") = "5"
    & skf21("1","6","3","1","5","4","5","1") = "5"
    & skf21("1","6","3","1","5","4","6","1") = "5"
    & skf21("1","6","3","1","5","4","7","1") = "6"
    & skf21("1","6","3","1","5","5","1","1") = "5"
    & skf21("1","6","3","1","5","5","2","1") = "5"
    & skf21("1","6","3","1","5","5","3","1") = "5"
    & skf21("1","6","3","1","5","5","4","1") = "5"
    & skf21("1","6","3","1","5","5","5","1") = "5"
    & skf21("1","6","3","1","5","5","6","1") = "5"
    & skf21("1","6","3","1","5","5","7","1") = "6"
    & skf21("1","6","3","1","5","6","1","1") = "5"
    & skf21("1","6","3","1","5","6","2","1") = "5"
    & skf21("1","6","3","1","5","6","3","1") = "5"
    & skf21("1","6","3","1","5","6","4","1") = "5"
    & skf21("1","6","3","1","5","6","5","1") = "5"
    & skf21("1","6","3","1","5","6","6","1") = "5"
    & skf21("1","6","3","1","5","6","7","1") = "6"
    & skf21("1","6","3","1","5","7","1","1") = "6"
    & skf21("1","6","3","1","5","7","2","1") = "6"
    & skf21("1","6","3","1","5","7","3","1") = "6"
    & skf21("1","6","3","1","5","7","4","1") = "6"
    & skf21("1","6","3","1","5","7","5","1") = "6"
    & skf21("1","6","3","1","5","7","6","1") = "6"
    & skf21("1","6","3","1","5","7","7","1") = "6"
    & skf21("1","6","3","1","6","1","1","1") = "5"
    & skf21("1","6","3","1","6","1","2","1") = "5"
    & skf21("1","6","3","1","6","1","3","1") = "5"
    & skf21("1","6","3","1","6","1","4","1") = "5"
    & skf21("1","6","3","1","6","1","5","1") = "5"
    & skf21("1","6","3","1","6","1","6","1") = "5"
    & skf21("1","6","3","1","6","1","7","1") = "6"
    & skf21("1","6","3","1","6","2","1","1") = "5"
    & skf21("1","6","3","1","6","2","2","1") = "5"
    & skf21("1","6","3","1","6","2","3","1") = "5"
    & skf21("1","6","3","1","6","2","4","1") = "5"
    & skf21("1","6","3","1","6","2","5","1") = "5"
    & skf21("1","6","3","1","6","2","6","1") = "5"
    & skf21("1","6","3","1","6","2","7","1") = "6"
    & skf21("1","6","3","1","6","3","1","1") = "5"
    & skf21("1","6","3","1","6","3","2","1") = "5"
    & skf21("1","6","3","1","6","3","3","1") = "5"
    & skf21("1","6","3","1","6","3","4","1") = "5"
    & skf21("1","6","3","1","6","3","5","1") = "5"
    & skf21("1","6","3","1","6","3","6","1") = "5"
    & skf21("1","6","3","1","6","3","7","1") = "6"
    & skf21("1","6","3","1","6","4","1","1") = "5"
    & skf21("1","6","3","1","6","4","2","1") = "5"
    & skf21("1","6","3","1","6","4","3","1") = "5"
    & skf21("1","6","3","1","6","4","4","1") = "5"
    & skf21("1","6","3","1","6","4","5","1") = "5"
    & skf21("1","6","3","1","6","4","6","1") = "5"
    & skf21("1","6","3","1","6","4","7","1") = "6"
    & skf21("1","6","3","1","6","5","1","1") = "5"
    & skf21("1","6","3","1","6","5","2","1") = "5"
    & skf21("1","6","3","1","6","5","3","1") = "5"
    & skf21("1","6","3","1","6","5","4","1") = "5"
    & skf21("1","6","3","1","6","5","5","1") = "5"
    & skf21("1","6","3","1","6","5","6","1") = "5"
    & skf21("1","6","3","1","6","5","7","1") = "6"
    & skf21("1","6","3","1","6","6","1","1") = "5"
    & skf21("1","6","3","1","6","6","2","1") = "5"
    & skf21("1","6","3","1","6","6","3","1") = "5"
    & skf21("1","6","3","1","6","6","4","1") = "5"
    & skf21("1","6","3","1","6","6","5","1") = "5"
    & skf21("1","6","3","1","6","6","6","1") = "5"
    & skf21("1","6","3","1","6","6","7","1") = "6"
    & skf21("1","6","3","1","6","7","1","1") = "6"
    & skf21("1","6","3","1","6","7","2","1") = "6"
    & skf21("1","6","3","1","6","7","3","1") = "6"
    & skf21("1","6","3","1","6","7","4","1") = "6"
    & skf21("1","6","3","1","6","7","5","1") = "6"
    & skf21("1","6","3","1","6","7","6","1") = "6"
    & skf21("1","6","3","1","6","7","7","1") = "6"
    & skf21("1","6","3","1","7","1","1","1") = "6"
    & skf21("1","6","3","1","7","1","2","1") = "6"
    & skf21("1","6","3","1","7","1","3","1") = "6"
    & skf21("1","6","3","1","7","1","4","1") = "6"
    & skf21("1","6","3","1","7","1","5","1") = "6"
    & skf21("1","6","3","1","7","1","6","1") = "6"
    & skf21("1","6","3","1","7","1","7","1") = "6"
    & skf21("1","6","3","1","7","2","1","1") = "6"
    & skf21("1","6","3","1","7","2","2","1") = "6"
    & skf21("1","6","3","1","7","2","3","1") = "6"
    & skf21("1","6","3","1","7","2","4","1") = "6"
    & skf21("1","6","3","1","7","2","5","1") = "6"
    & skf21("1","6","3","1","7","2","6","1") = "6"
    & skf21("1","6","3","1","7","2","7","1") = "6"
    & skf21("1","6","3","1","7","3","1","1") = "6"
    & skf21("1","6","3","1","7","3","2","1") = "6"
    & skf21("1","6","3","1","7","3","3","1") = "6"
    & skf21("1","6","3","1","7","3","4","1") = "6"
    & skf21("1","6","3","1","7","3","5","1") = "6"
    & skf21("1","6","3","1","7","3","6","1") = "6"
    & skf21("1","6","3","1","7","3","7","1") = "6"
    & skf21("1","6","3","1","7","4","1","1") = "6"
    & skf21("1","6","3","1","7","4","2","1") = "6"
    & skf21("1","6","3","1","7","4","3","1") = "6"
    & skf21("1","6","3","1","7","4","4","1") = "6"
    & skf21("1","6","3","1","7","4","5","1") = "6"
    & skf21("1","6","3","1","7","4","6","1") = "6"
    & skf21("1","6","3","1","7","4","7","1") = "6"
    & skf21("1","6","3","1","7","5","1","1") = "6"
    & skf21("1","6","3","1","7","5","2","1") = "6"
    & skf21("1","6","3","1","7","5","3","1") = "6"
    & skf21("1","6","3","1","7","5","4","1") = "6"
    & skf21("1","6","3","1","7","5","5","1") = "6"
    & skf21("1","6","3","1","7","5","6","1") = "6"
    & skf21("1","6","3","1","7","5","7","1") = "6"
    & skf21("1","6","3","1","7","6","1","1") = "6"
    & skf21("1","6","3","1","7","6","2","1") = "6"
    & skf21("1","6","3","1","7","6","3","1") = "6"
    & skf21("1","6","3","1","7","6","4","1") = "6"
    & skf21("1","6","3","1","7","6","5","1") = "6"
    & skf21("1","6","3","1","7","6","6","1") = "6"
    & skf21("1","6","3","1","7","6","7","1") = "6"
    & skf21("1","6","3","1","7","7","1","1") = "6"
    & skf21("1","6","3","1","7","7","2","1") = "6"
    & skf21("1","6","3","1","7","7","3","1") = "6"
    & skf21("1","6","3","1","7","7","4","1") = "6"
    & skf21("1","6","3","1","7","7","5","1") = "6"
    & skf21("1","6","3","1","7","7","6","1") = "6"
    & skf21("1","6","3","1","7","7","7","1") = "6"
    & skf21("1","6","3","2","1","1","1","1") = "5"
    & skf21("1","6","3","2","1","1","2","1") = "5"
    & skf21("1","6","3","2","1","1","3","1") = "5"
    & skf21("1","6","3","2","1","1","4","1") = "5"
    & skf21("1","6","3","2","1","1","5","1") = "5"
    & skf21("1","6","3","2","1","1","6","1") = "5"
    & skf21("1","6","3","2","1","1","7","1") = "6"
    & skf21("1","6","3","2","1","2","1","1") = "5"
    & skf21("1","6","3","2","1","2","2","1") = "5"
    & skf21("1","6","3","2","1","2","3","1") = "5"
    & skf21("1","6","3","2","1","2","4","1") = "5"
    & skf21("1","6","3","2","1","2","5","1") = "5"
    & skf21("1","6","3","2","1","2","6","1") = "5"
    & skf21("1","6","3","2","1","2","7","1") = "6"
    & skf21("1","6","3","2","1","3","1","1") = "5"
    & skf21("1","6","3","2","1","3","2","1") = "5"
    & skf21("1","6","3","2","1","3","3","1") = "5"
    & skf21("1","6","3","2","1","3","4","1") = "5"
    & skf21("1","6","3","2","1","3","5","1") = "5"
    & skf21("1","6","3","2","1","3","6","1") = "5"
    & skf21("1","6","3","2","1","3","7","1") = "6"
    & skf21("1","6","3","2","1","4","1","1") = "5"
    & skf21("1","6","3","2","1","4","2","1") = "5"
    & skf21("1","6","3","2","1","4","3","1") = "5"
    & skf21("1","6","3","2","1","4","4","1") = "5"
    & skf21("1","6","3","2","1","4","5","1") = "5"
    & skf21("1","6","3","2","1","4","6","1") = "5"
    & skf21("1","6","3","2","1","4","7","1") = "6"
    & skf21("1","6","3","2","1","5","1","1") = "5"
    & skf21("1","6","3","2","1","5","2","1") = "5"
    & skf21("1","6","3","2","1","5","3","1") = "5"
    & skf21("1","6","3","2","1","5","4","1") = "5"
    & skf21("1","6","3","2","1","5","5","1") = "5"
    & skf21("1","6","3","2","1","5","6","1") = "5"
    & skf21("1","6","3","2","1","5","7","1") = "6"
    & skf21("1","6","3","2","1","6","1","1") = "5"
    & skf21("1","6","3","2","1","6","2","1") = "5"
    & skf21("1","6","3","2","1","6","3","1") = "5"
    & skf21("1","6","3","2","1","6","4","1") = "5"
    & skf21("1","6","3","2","1","6","5","1") = "5"
    & skf21("1","6","3","2","1","6","6","1") = "5"
    & skf21("1","6","3","2","1","6","7","1") = "6"
    & skf21("1","6","3","2","1","7","1","1") = "6"
    & skf21("1","6","3","2","1","7","2","1") = "6"
    & skf21("1","6","3","2","1","7","3","1") = "6"
    & skf21("1","6","3","2","1","7","4","1") = "6"
    & skf21("1","6","3","2","1","7","5","1") = "6"
    & skf21("1","6","3","2","1","7","6","1") = "6"
    & skf21("1","6","3","2","1","7","7","1") = "6"
    & skf21("1","6","3","2","2","1","1","1") = "5"
    & skf21("1","6","3","2","2","1","2","1") = "5"
    & skf21("1","6","3","2","2","1","3","1") = "5"
    & skf21("1","6","3","2","2","1","4","1") = "5"
    & skf21("1","6","3","2","2","1","5","1") = "5"
    & skf21("1","6","3","2","2","1","6","1") = "5"
    & skf21("1","6","3","2","2","1","7","1") = "6"
    & skf21("1","6","3","2","2","2","1","1") = "5"
    & skf21("1","6","3","2","2","2","2","1") = "5"
    & skf21("1","6","3","2","2","2","3","1") = "5"
    & skf21("1","6","3","2","2","2","4","1") = "5"
    & skf21("1","6","3","2","2","2","5","1") = "5"
    & skf21("1","6","3","2","2","2","6","1") = "5"
    & skf21("1","6","3","2","2","2","7","1") = "6"
    & skf21("1","6","3","2","2","3","1","1") = "5"
    & skf21("1","6","3","2","2","3","2","1") = "5"
    & skf21("1","6","3","2","2","3","3","1") = "5"
    & skf21("1","6","3","2","2","3","4","1") = "5"
    & skf21("1","6","3","2","2","3","5","1") = "5"
    & skf21("1","6","3","2","2","3","6","1") = "5"
    & skf21("1","6","3","2","2","3","7","1") = "6"
    & skf21("1","6","3","2","2","4","1","1") = "5"
    & skf21("1","6","3","2","2","4","2","1") = "5"
    & skf21("1","6","3","2","2","4","3","1") = "5"
    & skf21("1","6","3","2","2","4","4","1") = "5"
    & skf21("1","6","3","2","2","4","5","1") = "5"
    & skf21("1","6","3","2","2","4","6","1") = "5"
    & skf21("1","6","3","2","2","4","7","1") = "6"
    & skf21("1","6","3","2","2","5","1","1") = "5"
    & skf21("1","6","3","2","2","5","2","1") = "5"
    & skf21("1","6","3","2","2","5","3","1") = "5"
    & skf21("1","6","3","2","2","5","4","1") = "5"
    & skf21("1","6","3","2","2","5","5","1") = "5"
    & skf21("1","6","3","2","2","5","6","1") = "5"
    & skf21("1","6","3","2","2","5","7","1") = "6"
    & skf21("1","6","3","2","2","6","1","1") = "5"
    & skf21("1","6","3","2","2","6","2","1") = "5"
    & skf21("1","6","3","2","2","6","3","1") = "5"
    & skf21("1","6","3","2","2","6","4","1") = "5"
    & skf21("1","6","3","2","2","6","5","1") = "5"
    & skf21("1","6","3","2","2","6","6","1") = "5"
    & skf21("1","6","3","2","2","6","7","1") = "6"
    & skf21("1","6","3","2","2","7","1","1") = "6"
    & skf21("1","6","3","2","2","7","2","1") = "6"
    & skf21("1","6","3","2","2","7","3","1") = "6"
    & skf21("1","6","3","2","2","7","4","1") = "6"
    & skf21("1","6","3","2","2","7","5","1") = "6"
    & skf21("1","6","3","2","2","7","6","1") = "6"
    & skf21("1","6","3","2","2","7","7","1") = "6"
    & skf21("1","6","3","2","3","1","1","1") = "5"
    & skf21("1","6","3","2","3","1","2","1") = "5"
    & skf21("1","6","3","2","3","1","3","1") = "5"
    & skf21("1","6","3","2","3","1","4","1") = "5"
    & skf21("1","6","3","2","3","1","5","1") = "5"
    & skf21("1","6","3","2","3","1","6","1") = "5"
    & skf21("1","6","3","2","3","1","7","1") = "6"
    & skf21("1","6","3","2","3","2","1","1") = "5"
    & skf21("1","6","3","2","3","2","2","1") = "5"
    & skf21("1","6","3","2","3","2","3","1") = "5"
    & skf21("1","6","3","2","3","2","4","1") = "5"
    & skf21("1","6","3","2","3","2","5","1") = "5"
    & skf21("1","6","3","2","3","2","6","1") = "5"
    & skf21("1","6","3","2","3","2","7","1") = "6"
    & skf21("1","6","3","2","3","3","1","1") = "5"
    & skf21("1","6","3","2","3","3","2","1") = "5"
    & skf21("1","6","3","2","3","3","3","1") = "5"
    & skf21("1","6","3","2","3","3","4","1") = "5"
    & skf21("1","6","3","2","3","3","5","1") = "5"
    & skf21("1","6","3","2","3","3","6","1") = "5"
    & skf21("1","6","3","2","3","3","7","1") = "6"
    & skf21("1","6","3","2","3","4","1","1") = "5"
    & skf21("1","6","3","2","3","4","2","1") = "5"
    & skf21("1","6","3","2","3","4","3","1") = "5"
    & skf21("1","6","3","2","3","4","4","1") = "5"
    & skf21("1","6","3","2","3","4","5","1") = "5"
    & skf21("1","6","3","2","3","4","6","1") = "5"
    & skf21("1","6","3","2","3","4","7","1") = "6"
    & skf21("1","6","3","2","3","5","1","1") = "5"
    & skf21("1","6","3","2","3","5","2","1") = "5"
    & skf21("1","6","3","2","3","5","3","1") = "5"
    & skf21("1","6","3","2","3","5","4","1") = "5"
    & skf21("1","6","3","2","3","5","5","1") = "5"
    & skf21("1","6","3","2","3","5","6","1") = "5"
    & skf21("1","6","3","2","3","5","7","1") = "6"
    & skf21("1","6","3","2","3","6","1","1") = "5"
    & skf21("1","6","3","2","3","6","2","1") = "5"
    & skf21("1","6","3","2","3","6","3","1") = "5"
    & skf21("1","6","3","2","3","6","4","1") = "5"
    & skf21("1","6","3","2","3","6","5","1") = "5"
    & skf21("1","6","3","2","3","6","6","1") = "5"
    & skf21("1","6","3","2","3","6","7","1") = "6"
    & skf21("1","6","3","2","3","7","1","1") = "6"
    & skf21("1","6","3","2","3","7","2","1") = "6"
    & skf21("1","6","3","2","3","7","3","1") = "6"
    & skf21("1","6","3","2","3","7","4","1") = "6"
    & skf21("1","6","3","2","3","7","5","1") = "6"
    & skf21("1","6","3","2","3","7","6","1") = "6"
    & skf21("1","6","3","2","3","7","7","1") = "6"
    & skf21("1","6","3","2","4","1","1","1") = "5"
    & skf21("1","6","3","2","4","1","2","1") = "5"
    & skf21("1","6","3","2","4","1","3","1") = "5"
    & skf21("1","6","3","2","4","1","4","1") = "5"
    & skf21("1","6","3","2","4","1","5","1") = "5"
    & skf21("1","6","3","2","4","1","6","1") = "5"
    & skf21("1","6","3","2","4","1","7","1") = "6"
    & skf21("1","6","3","2","4","2","1","1") = "5"
    & skf21("1","6","3","2","4","2","2","1") = "5"
    & skf21("1","6","3","2","4","2","3","1") = "5"
    & skf21("1","6","3","2","4","2","4","1") = "5"
    & skf21("1","6","3","2","4","2","5","1") = "5"
    & skf21("1","6","3","2","4","2","6","1") = "5"
    & skf21("1","6","3","2","4","2","7","1") = "6"
    & skf21("1","6","3","2","4","3","1","1") = "5"
    & skf21("1","6","3","2","4","3","2","1") = "5"
    & skf21("1","6","3","2","4","3","3","1") = "5"
    & skf21("1","6","3","2","4","3","4","1") = "5"
    & skf21("1","6","3","2","4","3","5","1") = "5"
    & skf21("1","6","3","2","4","3","6","1") = "5"
    & skf21("1","6","3","2","4","3","7","1") = "6"
    & skf21("1","6","3","2","4","4","1","1") = "5"
    & skf21("1","6","3","2","4","4","2","1") = "5"
    & skf21("1","6","3","2","4","4","3","1") = "5"
    & skf21("1","6","3","2","4","4","4","1") = "5"
    & skf21("1","6","3","2","4","4","5","1") = "5"
    & skf21("1","6","3","2","4","4","6","1") = "5"
    & skf21("1","6","3","2","4","4","7","1") = "6"
    & skf21("1","6","3","2","4","5","1","1") = "5"
    & skf21("1","6","3","2","4","5","2","1") = "5"
    & skf21("1","6","3","2","4","5","3","1") = "5"
    & skf21("1","6","3","2","4","5","4","1") = "5"
    & skf21("1","6","3","2","4","5","5","1") = "5"
    & skf21("1","6","3","2","4","5","6","1") = "5"
    & skf21("1","6","3","2","4","5","7","1") = "6"
    & skf21("1","6","3","2","4","6","1","1") = "5"
    & skf21("1","6","3","2","4","6","2","1") = "5"
    & skf21("1","6","3","2","4","6","3","1") = "5"
    & skf21("1","6","3","2","4","6","4","1") = "5"
    & skf21("1","6","3","2","4","6","5","1") = "5"
    & skf21("1","6","3","2","4","6","6","1") = "5"
    & skf21("1","6","3","2","4","6","7","1") = "6"
    & skf21("1","6","3","2","4","7","1","1") = "6"
    & skf21("1","6","3","2","4","7","2","1") = "6"
    & skf21("1","6","3","2","4","7","3","1") = "6"
    & skf21("1","6","3","2","4","7","4","1") = "6"
    & skf21("1","6","3","2","4","7","5","1") = "6"
    & skf21("1","6","3","2","4","7","6","1") = "6"
    & skf21("1","6","3","2","4","7","7","1") = "6"
    & skf21("1","6","3","2","5","1","1","1") = "5"
    & skf21("1","6","3","2","5","1","2","1") = "5"
    & skf21("1","6","3","2","5","1","3","1") = "5"
    & skf21("1","6","3","2","5","1","4","1") = "5"
    & skf21("1","6","3","2","5","1","5","1") = "5"
    & skf21("1","6","3","2","5","1","6","1") = "5"
    & skf21("1","6","3","2","5","1","7","1") = "6"
    & skf21("1","6","3","2","5","2","1","1") = "5"
    & skf21("1","6","3","2","5","2","2","1") = "5"
    & skf21("1","6","3","2","5","2","3","1") = "5"
    & skf21("1","6","3","2","5","2","4","1") = "5"
    & skf21("1","6","3","2","5","2","5","1") = "5"
    & skf21("1","6","3","2","5","2","6","1") = "5"
    & skf21("1","6","3","2","5","2","7","1") = "6"
    & skf21("1","6","3","2","5","3","1","1") = "5"
    & skf21("1","6","3","2","5","3","2","1") = "5"
    & skf21("1","6","3","2","5","3","3","1") = "5"
    & skf21("1","6","3","2","5","3","4","1") = "5"
    & skf21("1","6","3","2","5","3","5","1") = "5"
    & skf21("1","6","3","2","5","3","6","1") = "5"
    & skf21("1","6","3","2","5","3","7","1") = "6"
    & skf21("1","6","3","2","5","4","1","1") = "5"
    & skf21("1","6","3","2","5","4","2","1") = "5"
    & skf21("1","6","3","2","5","4","3","1") = "5"
    & skf21("1","6","3","2","5","4","4","1") = "5"
    & skf21("1","6","3","2","5","4","5","1") = "5"
    & skf21("1","6","3","2","5","4","6","1") = "5"
    & skf21("1","6","3","2","5","4","7","1") = "6"
    & skf21("1","6","3","2","5","5","1","1") = "5"
    & skf21("1","6","3","2","5","5","2","1") = "5"
    & skf21("1","6","3","2","5","5","3","1") = "5"
    & skf21("1","6","3","2","5","5","4","1") = "5"
    & skf21("1","6","3","2","5","5","5","1") = "5"
    & skf21("1","6","3","2","5","5","6","1") = "5"
    & skf21("1","6","3","2","5","5","7","1") = "6"
    & skf21("1","6","3","2","5","6","1","1") = "5"
    & skf21("1","6","3","2","5","6","2","1") = "5"
    & skf21("1","6","3","2","5","6","3","1") = "5"
    & skf21("1","6","3","2","5","6","4","1") = "5"
    & skf21("1","6","3","2","5","6","5","1") = "5"
    & skf21("1","6","3","2","5","6","6","1") = "5"
    & skf21("1","6","3","2","5","6","7","1") = "6"
    & skf21("1","6","3","2","5","7","1","1") = "6"
    & skf21("1","6","3","2","5","7","2","1") = "6"
    & skf21("1","6","3","2","5","7","3","1") = "6"
    & skf21("1","6","3","2","5","7","4","1") = "6"
    & skf21("1","6","3","2","5","7","5","1") = "6"
    & skf21("1","6","3","2","5","7","6","1") = "6"
    & skf21("1","6","3","2","5","7","7","1") = "6"
    & skf21("1","6","3","2","6","1","1","1") = "5"
    & skf21("1","6","3","2","6","1","2","1") = "5"
    & skf21("1","6","3","2","6","1","3","1") = "5"
    & skf21("1","6","3","2","6","1","4","1") = "5"
    & skf21("1","6","3","2","6","1","5","1") = "5"
    & skf21("1","6","3","2","6","1","6","1") = "5"
    & skf21("1","6","3","2","6","1","7","1") = "6"
    & skf21("1","6","3","2","6","2","1","1") = "5"
    & skf21("1","6","3","2","6","2","2","1") = "5"
    & skf21("1","6","3","2","6","2","3","1") = "5"
    & skf21("1","6","3","2","6","2","4","1") = "5"
    & skf21("1","6","3","2","6","2","5","1") = "5"
    & skf21("1","6","3","2","6","2","6","1") = "5"
    & skf21("1","6","3","2","6","2","7","1") = "6"
    & skf21("1","6","3","2","6","3","1","1") = "5"
    & skf21("1","6","3","2","6","3","2","1") = "5"
    & skf21("1","6","3","2","6","3","3","1") = "5"
    & skf21("1","6","3","2","6","3","4","1") = "5"
    & skf21("1","6","3","2","6","3","5","1") = "5"
    & skf21("1","6","3","2","6","3","6","1") = "5"
    & skf21("1","6","3","2","6","3","7","1") = "6"
    & skf21("1","6","3","2","6","4","1","1") = "5"
    & skf21("1","6","3","2","6","4","2","1") = "5"
    & skf21("1","6","3","2","6","4","3","1") = "5"
    & skf21("1","6","3","2","6","4","4","1") = "5"
    & skf21("1","6","3","2","6","4","5","1") = "5"
    & skf21("1","6","3","2","6","4","6","1") = "5"
    & skf21("1","6","3","2","6","4","7","1") = "6"
    & skf21("1","6","3","2","6","5","1","1") = "5"
    & skf21("1","6","3","2","6","5","2","1") = "5"
    & skf21("1","6","3","2","6","5","3","1") = "5"
    & skf21("1","6","3","2","6","5","4","1") = "5"
    & skf21("1","6","3","2","6","5","5","1") = "5"
    & skf21("1","6","3","2","6","5","6","1") = "5"
    & skf21("1","6","3","2","6","5","7","1") = "6"
    & skf21("1","6","3","2","6","6","1","1") = "5"
    & skf21("1","6","3","2","6","6","2","1") = "5"
    & skf21("1","6","3","2","6","6","3","1") = "5"
    & skf21("1","6","3","2","6","6","4","1") = "5"
    & skf21("1","6","3","2","6","6","5","1") = "5"
    & skf21("1","6","3","2","6","6","6","1") = "5"
    & skf21("1","6","3","2","6","6","7","1") = "6"
    & skf21("1","6","3","2","6","7","1","1") = "6"
    & skf21("1","6","3","2","6","7","2","1") = "6"
    & skf21("1","6","3","2","6","7","3","1") = "6"
    & skf21("1","6","3","2","6","7","4","1") = "6"
    & skf21("1","6","3","2","6","7","5","1") = "6"
    & skf21("1","6","3","2","6","7","6","1") = "6"
    & skf21("1","6","3","2","6","7","7","1") = "6"
    & skf21("1","6","3","2","7","1","1","1") = "6"
    & skf21("1","6","3","2","7","1","2","1") = "6"
    & skf21("1","6","3","2","7","1","3","1") = "6"
    & skf21("1","6","3","2","7","1","4","1") = "6"
    & skf21("1","6","3","2","7","1","5","1") = "6"
    & skf21("1","6","3","2","7","1","6","1") = "6"
    & skf21("1","6","3","2","7","1","7","1") = "6"
    & skf21("1","6","3","2","7","2","1","1") = "6"
    & skf21("1","6","3","2","7","2","2","1") = "6"
    & skf21("1","6","3","2","7","2","3","1") = "6"
    & skf21("1","6","3","2","7","2","4","1") = "6"
    & skf21("1","6","3","2","7","2","5","1") = "6"
    & skf21("1","6","3","2","7","2","6","1") = "6"
    & skf21("1","6","3","2","7","2","7","1") = "6"
    & skf21("1","6","3","2","7","3","1","1") = "6"
    & skf21("1","6","3","2","7","3","2","1") = "6"
    & skf21("1","6","3","2","7","3","3","1") = "6"
    & skf21("1","6","3","2","7","3","4","1") = "6"
    & skf21("1","6","3","2","7","3","5","1") = "6"
    & skf21("1","6","3","2","7","3","6","1") = "6"
    & skf21("1","6","3","2","7","3","7","1") = "6"
    & skf21("1","6","3","2","7","4","1","1") = "6"
    & skf21("1","6","3","2","7","4","2","1") = "6"
    & skf21("1","6","3","2","7","4","3","1") = "6"
    & skf21("1","6","3","2","7","4","4","1") = "6"
    & skf21("1","6","3","2","7","4","5","1") = "6"
    & skf21("1","6","3","2","7","4","6","1") = "6"
    & skf21("1","6","3","2","7","4","7","1") = "6"
    & skf21("1","6","3","2","7","5","1","1") = "6"
    & skf21("1","6","3","2","7","5","2","1") = "6"
    & skf21("1","6","3","2","7","5","3","1") = "6"
    & skf21("1","6","3","2","7","5","4","1") = "6"
    & skf21("1","6","3","2","7","5","5","1") = "6"
    & skf21("1","6","3","2","7","5","6","1") = "6"
    & skf21("1","6","3","2","7","5","7","1") = "6"
    & skf21("1","6","3","2","7","6","1","1") = "6"
    & skf21("1","6","3","2","7","6","2","1") = "6"
    & skf21("1","6","3","2","7","6","3","1") = "6"
    & skf21("1","6","3","2","7","6","4","1") = "6"
    & skf21("1","6","3","2","7","6","5","1") = "6"
    & skf21("1","6","3","2","7","6","6","1") = "6"
    & skf21("1","6","3","2","7","6","7","1") = "6"
    & skf21("1","6","3","2","7","7","1","1") = "6"
    & skf21("1","6","3","2","7","7","2","1") = "6"
    & skf21("1","6","3","2","7","7","3","1") = "6"
    & skf21("1","6","3","2","7","7","4","1") = "6"
    & skf21("1","6","3","2","7","7","5","1") = "6"
    & skf21("1","6","3","2","7","7","6","1") = "6"
    & skf21("1","6","3","2","7","7","7","1") = "6"
    & skf21("1","6","3","3","1","1","1","1") = "5"
    & skf21("1","6","3","3","1","1","2","1") = "5"
    & skf21("1","6","3","3","1","1","3","1") = "5"
    & skf21("1","6","3","3","1","1","4","1") = "5"
    & skf21("1","6","3","3","1","1","5","1") = "5"
    & skf21("1","6","3","3","1","1","6","1") = "5"
    & skf21("1","6","3","3","1","1","7","1") = "6"
    & skf21("1","6","3","3","1","2","1","1") = "5"
    & skf21("1","6","3","3","1","2","2","1") = "5"
    & skf21("1","6","3","3","1","2","3","1") = "5"
    & skf21("1","6","3","3","1","2","4","1") = "5"
    & skf21("1","6","3","3","1","2","5","1") = "5"
    & skf21("1","6","3","3","1","2","6","1") = "5"
    & skf21("1","6","3","3","1","2","7","1") = "6"
    & skf21("1","6","3","3","1","3","1","1") = "5"
    & skf21("1","6","3","3","1","3","2","1") = "5"
    & skf21("1","6","3","3","1","3","3","1") = "5"
    & skf21("1","6","3","3","1","3","4","1") = "5"
    & skf21("1","6","3","3","1","3","5","1") = "5"
    & skf21("1","6","3","3","1","3","6","1") = "5"
    & skf21("1","6","3","3","1","3","7","1") = "6"
    & skf21("1","6","3","3","1","4","1","1") = "5"
    & skf21("1","6","3","3","1","4","2","1") = "5"
    & skf21("1","6","3","3","1","4","3","1") = "5"
    & skf21("1","6","3","3","1","4","4","1") = "5"
    & skf21("1","6","3","3","1","4","5","1") = "5"
    & skf21("1","6","3","3","1","4","6","1") = "5"
    & skf21("1","6","3","3","1","4","7","1") = "6"
    & skf21("1","6","3","3","1","5","1","1") = "5"
    & skf21("1","6","3","3","1","5","2","1") = "5"
    & skf21("1","6","3","3","1","5","3","1") = "5"
    & skf21("1","6","3","3","1","5","4","1") = "5"
    & skf21("1","6","3","3","1","5","5","1") = "5"
    & skf21("1","6","3","3","1","5","6","1") = "5"
    & skf21("1","6","3","3","1","5","7","1") = "6"
    & skf21("1","6","3","3","1","6","1","1") = "5"
    & skf21("1","6","3","3","1","6","2","1") = "5"
    & skf21("1","6","3","3","1","6","3","1") = "5"
    & skf21("1","6","3","3","1","6","4","1") = "5"
    & skf21("1","6","3","3","1","6","5","1") = "5"
    & skf21("1","6","3","3","1","6","6","1") = "5"
    & skf21("1","6","3","3","1","6","7","1") = "6"
    & skf21("1","6","3","3","1","7","1","1") = "6"
    & skf21("1","6","3","3","1","7","2","1") = "6"
    & skf21("1","6","3","3","1","7","3","1") = "6"
    & skf21("1","6","3","3","1","7","4","1") = "6"
    & skf21("1","6","3","3","1","7","5","1") = "6"
    & skf21("1","6","3","3","1","7","6","1") = "6"
    & skf21("1","6","3","3","1","7","7","1") = "6"
    & skf21("1","6","3","3","2","1","1","1") = "5"
    & skf21("1","6","3","3","2","1","2","1") = "5"
    & skf21("1","6","3","3","2","1","3","1") = "5"
    & skf21("1","6","3","3","2","1","4","1") = "5"
    & skf21("1","6","3","3","2","1","5","1") = "5"
    & skf21("1","6","3","3","2","1","6","1") = "5"
    & skf21("1","6","3","3","2","1","7","1") = "6"
    & skf21("1","6","3","3","2","2","1","1") = "5"
    & skf21("1","6","3","3","2","2","2","1") = "5"
    & skf21("1","6","3","3","2","2","3","1") = "5"
    & skf21("1","6","3","3","2","2","4","1") = "5"
    & skf21("1","6","3","3","2","2","5","1") = "5"
    & skf21("1","6","3","3","2","2","6","1") = "5"
    & skf21("1","6","3","3","2","2","7","1") = "6"
    & skf21("1","6","3","3","2","3","1","1") = "5"
    & skf21("1","6","3","3","2","3","2","1") = "5"
    & skf21("1","6","3","3","2","3","3","1") = "5"
    & skf21("1","6","3","3","2","3","4","1") = "5"
    & skf21("1","6","3","3","2","3","5","1") = "5"
    & skf21("1","6","3","3","2","3","6","1") = "5"
    & skf21("1","6","3","3","2","3","7","1") = "6"
    & skf21("1","6","3","3","2","4","1","1") = "5"
    & skf21("1","6","3","3","2","4","2","1") = "5"
    & skf21("1","6","3","3","2","4","3","1") = "5"
    & skf21("1","6","3","3","2","4","4","1") = "5"
    & skf21("1","6","3","3","2","4","5","1") = "5"
    & skf21("1","6","3","3","2","4","6","1") = "5"
    & skf21("1","6","3","3","2","4","7","1") = "6"
    & skf21("1","6","3","3","2","5","1","1") = "5"
    & skf21("1","6","3","3","2","5","2","1") = "5"
    & skf21("1","6","3","3","2","5","3","1") = "5"
    & skf21("1","6","3","3","2","5","4","1") = "5"
    & skf21("1","6","3","3","2","5","5","1") = "5"
    & skf21("1","6","3","3","2","5","6","1") = "5"
    & skf21("1","6","3","3","2","5","7","1") = "6"
    & skf21("1","6","3","3","2","6","1","1") = "5"
    & skf21("1","6","3","3","2","6","2","1") = "5"
    & skf21("1","6","3","3","2","6","3","1") = "5"
    & skf21("1","6","3","3","2","6","4","1") = "5"
    & skf21("1","6","3","3","2","6","5","1") = "5"
    & skf21("1","6","3","3","2","6","6","1") = "5"
    & skf21("1","6","3","3","2","6","7","1") = "6"
    & skf21("1","6","3","3","2","7","1","1") = "6"
    & skf21("1","6","3","3","2","7","2","1") = "6"
    & skf21("1","6","3","3","2","7","3","1") = "6"
    & skf21("1","6","3","3","2","7","4","1") = "6"
    & skf21("1","6","3","3","2","7","5","1") = "6"
    & skf21("1","6","3","3","2","7","6","1") = "6"
    & skf21("1","6","3","3","2","7","7","1") = "6"
    & skf21("1","6","3","3","3","1","1","1") = "5"
    & skf21("1","6","3","3","3","1","2","1") = "5"
    & skf21("1","6","3","3","3","1","3","1") = "5"
    & skf21("1","6","3","3","3","1","4","1") = "5"
    & skf21("1","6","3","3","3","1","5","1") = "5"
    & skf21("1","6","3","3","3","1","6","1") = "5"
    & skf21("1","6","3","3","3","1","7","1") = "6"
    & skf21("1","6","3","3","3","2","1","1") = "5"
    & skf21("1","6","3","3","3","2","2","1") = "5"
    & skf21("1","6","3","3","3","2","3","1") = "5"
    & skf21("1","6","3","3","3","2","4","1") = "5"
    & skf21("1","6","3","3","3","2","5","1") = "5"
    & skf21("1","6","3","3","3","2","6","1") = "5"
    & skf21("1","6","3","3","3","2","7","1") = "6"
    & skf21("1","6","3","3","3","3","1","1") = "5"
    & skf21("1","6","3","3","3","3","2","1") = "5"
    & skf21("1","6","3","3","3","3","3","1") = "5"
    & skf21("1","6","3","3","3","3","4","1") = "5"
    & skf21("1","6","3","3","3","3","5","1") = "5"
    & skf21("1","6","3","3","3","3","6","1") = "5"
    & skf21("1","6","3","3","3","3","7","1") = "6"
    & skf21("1","6","3","3","3","4","1","1") = "5"
    & skf21("1","6","3","3","3","4","2","1") = "5"
    & skf21("1","6","3","3","3","4","3","1") = "5"
    & skf21("1","6","3","3","3","4","4","1") = "5"
    & skf21("1","6","3","3","3","4","5","1") = "5"
    & skf21("1","6","3","3","3","4","6","1") = "5"
    & skf21("1","6","3","3","3","4","7","1") = "6"
    & skf21("1","6","3","3","3","5","1","1") = "5"
    & skf21("1","6","3","3","3","5","2","1") = "5"
    & skf21("1","6","3","3","3","5","3","1") = "5"
    & skf21("1","6","3","3","3","5","4","1") = "5"
    & skf21("1","6","3","3","3","5","5","1") = "5"
    & skf21("1","6","3","3","3","5","6","1") = "5"
    & skf21("1","6","3","3","3","5","7","1") = "6"
    & skf21("1","6","3","3","3","6","1","1") = "5"
    & skf21("1","6","3","3","3","6","2","1") = "5"
    & skf21("1","6","3","3","3","6","3","1") = "5"
    & skf21("1","6","3","3","3","6","4","1") = "5"
    & skf21("1","6","3","3","3","6","5","1") = "5"
    & skf21("1","6","3","3","3","6","6","1") = "5"
    & skf21("1","6","3","3","3","6","7","1") = "6"
    & skf21("1","6","3","3","3","7","1","1") = "6"
    & skf21("1","6","3","3","3","7","2","1") = "6"
    & skf21("1","6","3","3","3","7","3","1") = "6"
    & skf21("1","6","3","3","3","7","4","1") = "6"
    & skf21("1","6","3","3","3","7","5","1") = "6"
    & skf21("1","6","3","3","3","7","6","1") = "6"
    & skf21("1","6","3","3","3","7","7","1") = "6"
    & skf21("1","6","3","3","4","1","1","1") = "5"
    & skf21("1","6","3","3","4","1","2","1") = "5"
    & skf21("1","6","3","3","4","1","3","1") = "5"
    & skf21("1","6","3","3","4","1","4","1") = "5"
    & skf21("1","6","3","3","4","1","5","1") = "5"
    & skf21("1","6","3","3","4","1","6","1") = "5"
    & skf21("1","6","3","3","4","1","7","1") = "6"
    & skf21("1","6","3","3","4","2","1","1") = "5"
    & skf21("1","6","3","3","4","2","2","1") = "5"
    & skf21("1","6","3","3","4","2","3","1") = "5"
    & skf21("1","6","3","3","4","2","4","1") = "5"
    & skf21("1","6","3","3","4","2","5","1") = "5"
    & skf21("1","6","3","3","4","2","6","1") = "5"
    & skf21("1","6","3","3","4","2","7","1") = "6"
    & skf21("1","6","3","3","4","3","1","1") = "5"
    & skf21("1","6","3","3","4","3","2","1") = "5"
    & skf21("1","6","3","3","4","3","3","1") = "5"
    & skf21("1","6","3","3","4","3","4","1") = "5"
    & skf21("1","6","3","3","4","3","5","1") = "5"
    & skf21("1","6","3","3","4","3","6","1") = "5"
    & skf21("1","6","3","3","4","3","7","1") = "6"
    & skf21("1","6","3","3","4","4","1","1") = "5"
    & skf21("1","6","3","3","4","4","2","1") = "5"
    & skf21("1","6","3","3","4","4","3","1") = "5"
    & skf21("1","6","3","3","4","4","4","1") = "5"
    & skf21("1","6","3","3","4","4","5","1") = "5"
    & skf21("1","6","3","3","4","4","6","1") = "5"
    & skf21("1","6","3","3","4","4","7","1") = "6"
    & skf21("1","6","3","3","4","5","1","1") = "5"
    & skf21("1","6","3","3","4","5","2","1") = "5"
    & skf21("1","6","3","3","4","5","3","1") = "5"
    & skf21("1","6","3","3","4","5","4","1") = "5"
    & skf21("1","6","3","3","4","5","5","1") = "5"
    & skf21("1","6","3","3","4","5","6","1") = "5"
    & skf21("1","6","3","3","4","5","7","1") = "6"
    & skf21("1","6","3","3","4","6","1","1") = "5"
    & skf21("1","6","3","3","4","6","2","1") = "5"
    & skf21("1","6","3","3","4","6","3","1") = "5"
    & skf21("1","6","3","3","4","6","4","1") = "5"
    & skf21("1","6","3","3","4","6","5","1") = "5"
    & skf21("1","6","3","3","4","6","6","1") = "5"
    & skf21("1","6","3","3","4","6","7","1") = "6"
    & skf21("1","6","3","3","4","7","1","1") = "6"
    & skf21("1","6","3","3","4","7","2","1") = "6"
    & skf21("1","6","3","3","4","7","3","1") = "6"
    & skf21("1","6","3","3","4","7","4","1") = "6"
    & skf21("1","6","3","3","4","7","5","1") = "6"
    & skf21("1","6","3","3","4","7","6","1") = "6"
    & skf21("1","6","3","3","4","7","7","1") = "6"
    & skf21("1","6","3","3","5","1","1","1") = "5"
    & skf21("1","6","3","3","5","1","2","1") = "5"
    & skf21("1","6","3","3","5","1","3","1") = "5"
    & skf21("1","6","3","3","5","1","4","1") = "5"
    & skf21("1","6","3","3","5","1","5","1") = "5"
    & skf21("1","6","3","3","5","1","6","1") = "5"
    & skf21("1","6","3","3","5","1","7","1") = "6"
    & skf21("1","6","3","3","5","2","1","1") = "5"
    & skf21("1","6","3","3","5","2","2","1") = "5"
    & skf21("1","6","3","3","5","2","3","1") = "5"
    & skf21("1","6","3","3","5","2","4","1") = "5"
    & skf21("1","6","3","3","5","2","5","1") = "5"
    & skf21("1","6","3","3","5","2","6","1") = "5"
    & skf21("1","6","3","3","5","2","7","1") = "6"
    & skf21("1","6","3","3","5","3","1","1") = "5"
    & skf21("1","6","3","3","5","3","2","1") = "5"
    & skf21("1","6","3","3","5","3","3","1") = "5"
    & skf21("1","6","3","3","5","3","4","1") = "5"
    & skf21("1","6","3","3","5","3","5","1") = "5"
    & skf21("1","6","3","3","5","3","6","1") = "5"
    & skf21("1","6","3","3","5","3","7","1") = "6"
    & skf21("1","6","3","3","5","4","1","1") = "5"
    & skf21("1","6","3","3","5","4","2","1") = "5"
    & skf21("1","6","3","3","5","4","3","1") = "5"
    & skf21("1","6","3","3","5","4","4","1") = "5"
    & skf21("1","6","3","3","5","4","5","1") = "5"
    & skf21("1","6","3","3","5","4","6","1") = "5"
    & skf21("1","6","3","3","5","4","7","1") = "6"
    & skf21("1","6","3","3","5","5","1","1") = "5"
    & skf21("1","6","3","3","5","5","2","1") = "5"
    & skf21("1","6","3","3","5","5","3","1") = "5"
    & skf21("1","6","3","3","5","5","4","1") = "5"
    & skf21("1","6","3","3","5","5","5","1") = "5"
    & skf21("1","6","3","3","5","5","6","1") = "5"
    & skf21("1","6","3","3","5","5","7","1") = "6"
    & skf21("1","6","3","3","5","6","1","1") = "5"
    & skf21("1","6","3","3","5","6","2","1") = "5"
    & skf21("1","6","3","3","5","6","3","1") = "5"
    & skf21("1","6","3","3","5","6","4","1") = "5"
    & skf21("1","6","3","3","5","6","5","1") = "5"
    & skf21("1","6","3","3","5","6","6","1") = "5"
    & skf21("1","6","3","3","5","6","7","1") = "6"
    & skf21("1","6","3","3","5","7","1","1") = "6"
    & skf21("1","6","3","3","5","7","2","1") = "6"
    & skf21("1","6","3","3","5","7","3","1") = "6"
    & skf21("1","6","3","3","5","7","4","1") = "6"
    & skf21("1","6","3","3","5","7","5","1") = "6"
    & skf21("1","6","3","3","5","7","6","1") = "6"
    & skf21("1","6","3","3","5","7","7","1") = "6"
    & skf21("1","6","3","3","6","1","1","1") = "5"
    & skf21("1","6","3","3","6","1","2","1") = "5"
    & skf21("1","6","3","3","6","1","3","1") = "5"
    & skf21("1","6","3","3","6","1","4","1") = "5"
    & skf21("1","6","3","3","6","1","5","1") = "5"
    & skf21("1","6","3","3","6","1","6","1") = "5"
    & skf21("1","6","3","3","6","1","7","1") = "6"
    & skf21("1","6","3","3","6","2","1","1") = "5"
    & skf21("1","6","3","3","6","2","2","1") = "5"
    & skf21("1","6","3","3","6","2","3","1") = "5"
    & skf21("1","6","3","3","6","2","4","1") = "5"
    & skf21("1","6","3","3","6","2","5","1") = "5"
    & skf21("1","6","3","3","6","2","6","1") = "5"
    & skf21("1","6","3","3","6","2","7","1") = "6"
    & skf21("1","6","3","3","6","3","1","1") = "5"
    & skf21("1","6","3","3","6","3","2","1") = "5"
    & skf21("1","6","3","3","6","3","3","1") = "5"
    & skf21("1","6","3","3","6","3","4","1") = "5"
    & skf21("1","6","3","3","6","3","5","1") = "5"
    & skf21("1","6","3","3","6","3","6","1") = "5"
    & skf21("1","6","3","3","6","3","7","1") = "6"
    & skf21("1","6","3","3","6","4","1","1") = "5"
    & skf21("1","6","3","3","6","4","2","1") = "5"
    & skf21("1","6","3","3","6","4","3","1") = "5"
    & skf21("1","6","3","3","6","4","4","1") = "5"
    & skf21("1","6","3","3","6","4","5","1") = "5"
    & skf21("1","6","3","3","6","4","6","1") = "5"
    & skf21("1","6","3","3","6","4","7","1") = "6"
    & skf21("1","6","3","3","6","5","1","1") = "5"
    & skf21("1","6","3","3","6","5","2","1") = "5"
    & skf21("1","6","3","3","6","5","3","1") = "5"
    & skf21("1","6","3","3","6","5","4","1") = "5"
    & skf21("1","6","3","3","6","5","5","1") = "5"
    & skf21("1","6","3","3","6","5","6","1") = "5"
    & skf21("1","6","3","3","6","5","7","1") = "6"
    & skf21("1","6","3","3","6","6","1","1") = "5"
    & skf21("1","6","3","3","6","6","2","1") = "5"
    & skf21("1","6","3","3","6","6","3","1") = "5"
    & skf21("1","6","3","3","6","6","4","1") = "5"
    & skf21("1","6","3","3","6","6","5","1") = "5"
    & skf21("1","6","3","3","6","6","6","1") = "5"
    & skf21("1","6","3","3","6","6","7","1") = "6"
    & skf21("1","6","3","3","6","7","1","1") = "6"
    & skf21("1","6","3","3","6","7","2","1") = "6"
    & skf21("1","6","3","3","6","7","3","1") = "6"
    & skf21("1","6","3","3","6","7","4","1") = "6"
    & skf21("1","6","3","3","6","7","5","1") = "6"
    & skf21("1","6","3","3","6","7","6","1") = "6"
    & skf21("1","6","3","3","6","7","7","1") = "6"
    & skf21("1","6","3","3","7","1","1","1") = "6"
    & skf21("1","6","3","3","7","1","2","1") = "6"
    & skf21("1","6","3","3","7","1","3","1") = "6"
    & skf21("1","6","3","3","7","1","4","1") = "6"
    & skf21("1","6","3","3","7","1","5","1") = "6"
    & skf21("1","6","3","3","7","1","6","1") = "6"
    & skf21("1","6","3","3","7","1","7","1") = "6"
    & skf21("1","6","3","3","7","2","1","1") = "6"
    & skf21("1","6","3","3","7","2","2","1") = "6"
    & skf21("1","6","3","3","7","2","3","1") = "6"
    & skf21("1","6","3","3","7","2","4","1") = "6"
    & skf21("1","6","3","3","7","2","5","1") = "6"
    & skf21("1","6","3","3","7","2","6","1") = "6"
    & skf21("1","6","3","3","7","2","7","1") = "6"
    & skf21("1","6","3","3","7","3","1","1") = "6"
    & skf21("1","6","3","3","7","3","2","1") = "6"
    & skf21("1","6","3","3","7","3","3","1") = "6"
    & skf21("1","6","3","3","7","3","4","1") = "6"
    & skf21("1","6","3","3","7","3","5","1") = "6"
    & skf21("1","6","3","3","7","3","6","1") = "6"
    & skf21("1","6","3","3","7","3","7","1") = "6"
    & skf21("1","6","3","3","7","4","1","1") = "6"
    & skf21("1","6","3","3","7","4","2","1") = "6"
    & skf21("1","6","3","3","7","4","3","1") = "6"
    & skf21("1","6","3","3","7","4","4","1") = "6"
    & skf21("1","6","3","3","7","4","5","1") = "6"
    & skf21("1","6","3","3","7","4","6","1") = "6"
    & skf21("1","6","3","3","7","4","7","1") = "6"
    & skf21("1","6","3","3","7","5","1","1") = "6"
    & skf21("1","6","3","3","7","5","2","1") = "6"
    & skf21("1","6","3","3","7","5","3","1") = "6"
    & skf21("1","6","3","3","7","5","4","1") = "6"
    & skf21("1","6","3","3","7","5","5","1") = "6"
    & skf21("1","6","3","3","7","5","6","1") = "6"
    & skf21("1","6","3","3","7","5","7","1") = "6"
    & skf21("1","6","3","3","7","6","1","1") = "6"
    & skf21("1","6","3","3","7","6","2","1") = "6"
    & skf21("1","6","3","3","7","6","3","1") = "6"
    & skf21("1","6","3","3","7","6","4","1") = "6"
    & skf21("1","6","3","3","7","6","5","1") = "6"
    & skf21("1","6","3","3","7","6","6","1") = "6"
    & skf21("1","6","3","3","7","6","7","1") = "6"
    & skf21("1","6","3","3","7","7","1","1") = "6"
    & skf21("1","6","3","3","7","7","2","1") = "6"
    & skf21("1","6","3","3","7","7","3","1") = "6"
    & skf21("1","6","3","3","7","7","4","1") = "6"
    & skf21("1","6","3","3","7","7","5","1") = "6"
    & skf21("1","6","3","3","7","7","6","1") = "6"
    & skf21("1","6","3","3","7","7","7","1") = "6"
    & skf21("1","6","3","4","1","1","1","1") = "5"
    & skf21("1","6","3","4","1","1","2","1") = "5"
    & skf21("1","6","3","4","1","1","3","1") = "5"
    & skf21("1","6","3","4","1","1","4","1") = "5"
    & skf21("1","6","3","4","1","1","5","1") = "5"
    & skf21("1","6","3","4","1","1","6","1") = "5"
    & skf21("1","6","3","4","1","1","7","1") = "6"
    & skf21("1","6","3","4","1","2","1","1") = "5"
    & skf21("1","6","3","4","1","2","2","1") = "5"
    & skf21("1","6","3","4","1","2","3","1") = "5"
    & skf21("1","6","3","4","1","2","4","1") = "5"
    & skf21("1","6","3","4","1","2","5","1") = "5"
    & skf21("1","6","3","4","1","2","6","1") = "5"
    & skf21("1","6","3","4","1","2","7","1") = "6"
    & skf21("1","6","3","4","1","3","1","1") = "5"
    & skf21("1","6","3","4","1","3","2","1") = "5"
    & skf21("1","6","3","4","1","3","3","1") = "5"
    & skf21("1","6","3","4","1","3","4","1") = "5"
    & skf21("1","6","3","4","1","3","5","1") = "5"
    & skf21("1","6","3","4","1","3","6","1") = "5"
    & skf21("1","6","3","4","1","3","7","1") = "6"
    & skf21("1","6","3","4","1","4","1","1") = "5"
    & skf21("1","6","3","4","1","4","2","1") = "5"
    & skf21("1","6","3","4","1","4","3","1") = "5"
    & skf21("1","6","3","4","1","4","4","1") = "5"
    & skf21("1","6","3","4","1","4","5","1") = "5"
    & skf21("1","6","3","4","1","4","6","1") = "5"
    & skf21("1","6","3","4","1","4","7","1") = "6"
    & skf21("1","6","3","4","1","5","1","1") = "5"
    & skf21("1","6","3","4","1","5","2","1") = "5"
    & skf21("1","6","3","4","1","5","3","1") = "5"
    & skf21("1","6","3","4","1","5","4","1") = "5"
    & skf21("1","6","3","4","1","5","5","1") = "5"
    & skf21("1","6","3","4","1","5","6","1") = "5"
    & skf21("1","6","3","4","1","5","7","1") = "6"
    & skf21("1","6","3","4","1","6","1","1") = "5"
    & skf21("1","6","3","4","1","6","2","1") = "5"
    & skf21("1","6","3","4","1","6","3","1") = "5"
    & skf21("1","6","3","4","1","6","4","1") = "5"
    & skf21("1","6","3","4","1","6","5","1") = "5"
    & skf21("1","6","3","4","1","6","6","1") = "5"
    & skf21("1","6","3","4","1","6","7","1") = "6"
    & skf21("1","6","3","4","1","7","1","1") = "6"
    & skf21("1","6","3","4","1","7","2","1") = "6"
    & skf21("1","6","3","4","1","7","3","1") = "6"
    & skf21("1","6","3","4","1","7","4","1") = "6"
    & skf21("1","6","3","4","1","7","5","1") = "6"
    & skf21("1","6","3","4","1","7","6","1") = "6"
    & skf21("1","6","3","4","1","7","7","1") = "6"
    & skf21("1","6","3","4","2","1","1","1") = "5"
    & skf21("1","6","3","4","2","1","2","1") = "5"
    & skf21("1","6","3","4","2","1","3","1") = "5"
    & skf21("1","6","3","4","2","1","4","1") = "5"
    & skf21("1","6","3","4","2","1","5","1") = "5"
    & skf21("1","6","3","4","2","1","6","1") = "5"
    & skf21("1","6","3","4","2","1","7","1") = "6"
    & skf21("1","6","3","4","2","2","1","1") = "5"
    & skf21("1","6","3","4","2","2","2","1") = "5"
    & skf21("1","6","3","4","2","2","3","1") = "5"
    & skf21("1","6","3","4","2","2","4","1") = "5"
    & skf21("1","6","3","4","2","2","5","1") = "5"
    & skf21("1","6","3","4","2","2","6","1") = "5"
    & skf21("1","6","3","4","2","2","7","1") = "6"
    & skf21("1","6","3","4","2","3","1","1") = "5"
    & skf21("1","6","3","4","2","3","2","1") = "5"
    & skf21("1","6","3","4","2","3","3","1") = "5"
    & skf21("1","6","3","4","2","3","4","1") = "5"
    & skf21("1","6","3","4","2","3","5","1") = "5"
    & skf21("1","6","3","4","2","3","6","1") = "5"
    & skf21("1","6","3","4","2","3","7","1") = "6"
    & skf21("1","6","3","4","2","4","1","1") = "5"
    & skf21("1","6","3","4","2","4","2","1") = "5"
    & skf21("1","6","3","4","2","4","3","1") = "5"
    & skf21("1","6","3","4","2","4","4","1") = "5"
    & skf21("1","6","3","4","2","4","5","1") = "5"
    & skf21("1","6","3","4","2","4","6","1") = "5"
    & skf21("1","6","3","4","2","4","7","1") = "6"
    & skf21("1","6","3","4","2","5","1","1") = "5"
    & skf21("1","6","3","4","2","5","2","1") = "5"
    & skf21("1","6","3","4","2","5","3","1") = "5"
    & skf21("1","6","3","4","2","5","4","1") = "5"
    & skf21("1","6","3","4","2","5","5","1") = "5"
    & skf21("1","6","3","4","2","5","6","1") = "5"
    & skf21("1","6","3","4","2","5","7","1") = "6"
    & skf21("1","6","3","4","2","6","1","1") = "5"
    & skf21("1","6","3","4","2","6","2","1") = "5"
    & skf21("1","6","3","4","2","6","3","1") = "5"
    & skf21("1","6","3","4","2","6","4","1") = "5"
    & skf21("1","6","3","4","2","6","5","1") = "5"
    & skf21("1","6","3","4","2","6","6","1") = "5"
    & skf21("1","6","3","4","2","6","7","1") = "6"
    & skf21("1","6","3","4","2","7","1","1") = "6"
    & skf21("1","6","3","4","2","7","2","1") = "6"
    & skf21("1","6","3","4","2","7","3","1") = "6"
    & skf21("1","6","3","4","2","7","4","1") = "6"
    & skf21("1","6","3","4","2","7","5","1") = "6"
    & skf21("1","6","3","4","2","7","6","1") = "6"
    & skf21("1","6","3","4","2","7","7","1") = "6"
    & skf21("1","6","3","4","3","1","1","1") = "5"
    & skf21("1","6","3","4","3","1","2","1") = "5"
    & skf21("1","6","3","4","3","1","3","1") = "5"
    & skf21("1","6","3","4","3","1","4","1") = "5"
    & skf21("1","6","3","4","3","1","5","1") = "5"
    & skf21("1","6","3","4","3","1","6","1") = "5"
    & skf21("1","6","3","4","3","1","7","1") = "6"
    & skf21("1","6","3","4","3","2","1","1") = "5"
    & skf21("1","6","3","4","3","2","2","1") = "5"
    & skf21("1","6","3","4","3","2","3","1") = "5"
    & skf21("1","6","3","4","3","2","4","1") = "5"
    & skf21("1","6","3","4","3","2","5","1") = "5"
    & skf21("1","6","3","4","3","2","6","1") = "5"
    & skf21("1","6","3","4","3","2","7","1") = "6"
    & skf21("1","6","3","4","3","3","1","1") = "5"
    & skf21("1","6","3","4","3","3","2","1") = "5"
    & skf21("1","6","3","4","3","3","3","1") = "5"
    & skf21("1","6","3","4","3","3","4","1") = "5"
    & skf21("1","6","3","4","3","3","5","1") = "5"
    & skf21("1","6","3","4","3","3","6","1") = "5"
    & skf21("1","6","3","4","3","3","7","1") = "6"
    & skf21("1","6","3","4","3","4","1","1") = "5"
    & skf21("1","6","3","4","3","4","2","1") = "5"
    & skf21("1","6","3","4","3","4","3","1") = "5"
    & skf21("1","6","3","4","3","4","4","1") = "5"
    & skf21("1","6","3","4","3","4","5","1") = "5"
    & skf21("1","6","3","4","3","4","6","1") = "5"
    & skf21("1","6","3","4","3","4","7","1") = "6"
    & skf21("1","6","3","4","3","5","1","1") = "5"
    & skf21("1","6","3","4","3","5","2","1") = "5"
    & skf21("1","6","3","4","3","5","3","1") = "5"
    & skf21("1","6","3","4","3","5","4","1") = "5"
    & skf21("1","6","3","4","3","5","5","1") = "5"
    & skf21("1","6","3","4","3","5","6","1") = "5"
    & skf21("1","6","3","4","3","5","7","1") = "6"
    & skf21("1","6","3","4","3","6","1","1") = "5"
    & skf21("1","6","3","4","3","6","2","1") = "5"
    & skf21("1","6","3","4","3","6","3","1") = "5"
    & skf21("1","6","3","4","3","6","4","1") = "5"
    & skf21("1","6","3","4","3","6","5","1") = "5"
    & skf21("1","6","3","4","3","6","6","1") = "5"
    & skf21("1","6","3","4","3","6","7","1") = "6"
    & skf21("1","6","3","4","3","7","1","1") = "6"
    & skf21("1","6","3","4","3","7","2","1") = "6"
    & skf21("1","6","3","4","3","7","3","1") = "6"
    & skf21("1","6","3","4","3","7","4","1") = "6"
    & skf21("1","6","3","4","3","7","5","1") = "6"
    & skf21("1","6","3","4","3","7","6","1") = "6"
    & skf21("1","6","3","4","3","7","7","1") = "6"
    & skf21("1","6","3","4","4","1","1","1") = "5"
    & skf21("1","6","3","4","4","1","2","1") = "5"
    & skf21("1","6","3","4","4","1","3","1") = "5"
    & skf21("1","6","3","4","4","1","4","1") = "5"
    & skf21("1","6","3","4","4","1","5","1") = "5"
    & skf21("1","6","3","4","4","1","6","1") = "5"
    & skf21("1","6","3","4","4","1","7","1") = "6"
    & skf21("1","6","3","4","4","2","1","1") = "5"
    & skf21("1","6","3","4","4","2","2","1") = "5"
    & skf21("1","6","3","4","4","2","3","1") = "5"
    & skf21("1","6","3","4","4","2","4","1") = "5"
    & skf21("1","6","3","4","4","2","5","1") = "5"
    & skf21("1","6","3","4","4","2","6","1") = "5"
    & skf21("1","6","3","4","4","2","7","1") = "6"
    & skf21("1","6","3","4","4","3","1","1") = "5"
    & skf21("1","6","3","4","4","3","2","1") = "5"
    & skf21("1","6","3","4","4","3","3","1") = "5"
    & skf21("1","6","3","4","4","3","4","1") = "5"
    & skf21("1","6","3","4","4","3","5","1") = "5"
    & skf21("1","6","3","4","4","3","6","1") = "5"
    & skf21("1","6","3","4","4","3","7","1") = "6"
    & skf21("1","6","3","4","4","4","1","1") = "5"
    & skf21("1","6","3","4","4","4","2","1") = "5"
    & skf21("1","6","3","4","4","4","3","1") = "5"
    & skf21("1","6","3","4","4","4","4","1") = "5"
    & skf21("1","6","3","4","4","4","5","1") = "5"
    & skf21("1","6","3","4","4","4","6","1") = "5"
    & skf21("1","6","3","4","4","4","7","1") = "6"
    & skf21("1","6","3","4","4","5","1","1") = "5"
    & skf21("1","6","3","4","4","5","2","1") = "5"
    & skf21("1","6","3","4","4","5","3","1") = "5"
    & skf21("1","6","3","4","4","5","4","1") = "5"
    & skf21("1","6","3","4","4","5","5","1") = "5"
    & skf21("1","6","3","4","4","5","6","1") = "5"
    & skf21("1","6","3","4","4","5","7","1") = "6"
    & skf21("1","6","3","4","4","6","1","1") = "5"
    & skf21("1","6","3","4","4","6","2","1") = "5"
    & skf21("1","6","3","4","4","6","3","1") = "5"
    & skf21("1","6","3","4","4","6","4","1") = "5"
    & skf21("1","6","3","4","4","6","5","1") = "5"
    & skf21("1","6","3","4","4","6","6","1") = "5"
    & skf21("1","6","3","4","4","6","7","1") = "6"
    & skf21("1","6","3","4","4","7","1","1") = "6"
    & skf21("1","6","3","4","4","7","2","1") = "6"
    & skf21("1","6","3","4","4","7","3","1") = "6"
    & skf21("1","6","3","4","4","7","4","1") = "6"
    & skf21("1","6","3","4","4","7","5","1") = "6"
    & skf21("1","6","3","4","4","7","6","1") = "6"
    & skf21("1","6","3","4","4","7","7","1") = "6"
    & skf21("1","6","3","4","5","1","1","1") = "5"
    & skf21("1","6","3","4","5","1","2","1") = "5"
    & skf21("1","6","3","4","5","1","3","1") = "5"
    & skf21("1","6","3","4","5","1","4","1") = "5"
    & skf21("1","6","3","4","5","1","5","1") = "5"
    & skf21("1","6","3","4","5","1","6","1") = "5"
    & skf21("1","6","3","4","5","1","7","1") = "6"
    & skf21("1","6","3","4","5","2","1","1") = "5"
    & skf21("1","6","3","4","5","2","2","1") = "5"
    & skf21("1","6","3","4","5","2","3","1") = "5"
    & skf21("1","6","3","4","5","2","4","1") = "5"
    & skf21("1","6","3","4","5","2","5","1") = "5"
    & skf21("1","6","3","4","5","2","6","1") = "5"
    & skf21("1","6","3","4","5","2","7","1") = "6"
    & skf21("1","6","3","4","5","3","1","1") = "5"
    & skf21("1","6","3","4","5","3","2","1") = "5"
    & skf21("1","6","3","4","5","3","3","1") = "5"
    & skf21("1","6","3","4","5","3","4","1") = "5"
    & skf21("1","6","3","4","5","3","5","1") = "5"
    & skf21("1","6","3","4","5","3","6","1") = "5"
    & skf21("1","6","3","4","5","3","7","1") = "6"
    & skf21("1","6","3","4","5","4","1","1") = "5"
    & skf21("1","6","3","4","5","4","2","1") = "5"
    & skf21("1","6","3","4","5","4","3","1") = "5"
    & skf21("1","6","3","4","5","4","4","1") = "5"
    & skf21("1","6","3","4","5","4","5","1") = "5"
    & skf21("1","6","3","4","5","4","6","1") = "5"
    & skf21("1","6","3","4","5","4","7","1") = "6"
    & skf21("1","6","3","4","5","5","1","1") = "5"
    & skf21("1","6","3","4","5","5","2","1") = "5"
    & skf21("1","6","3","4","5","5","3","1") = "5"
    & skf21("1","6","3","4","5","5","4","1") = "5"
    & skf21("1","6","3","4","5","5","5","1") = "5"
    & skf21("1","6","3","4","5","5","6","1") = "5"
    & skf21("1","6","3","4","5","5","7","1") = "6"
    & skf21("1","6","3","4","5","6","1","1") = "5"
    & skf21("1","6","3","4","5","6","2","1") = "5"
    & skf21("1","6","3","4","5","6","3","1") = "5"
    & skf21("1","6","3","4","5","6","4","1") = "5"
    & skf21("1","6","3","4","5","6","5","1") = "5"
    & skf21("1","6","3","4","5","6","6","1") = "5"
    & skf21("1","6","3","4","5","6","7","1") = "6"
    & skf21("1","6","3","4","5","7","1","1") = "6"
    & skf21("1","6","3","4","5","7","2","1") = "6"
    & skf21("1","6","3","4","5","7","3","1") = "6"
    & skf21("1","6","3","4","5","7","4","1") = "6"
    & skf21("1","6","3","4","5","7","5","1") = "6"
    & skf21("1","6","3","4","5","7","6","1") = "6"
    & skf21("1","6","3","4","5","7","7","1") = "6"
    & skf21("1","6","3","4","6","1","1","1") = "5"
    & skf21("1","6","3","4","6","1","2","1") = "5"
    & skf21("1","6","3","4","6","1","3","1") = "5"
    & skf21("1","6","3","4","6","1","4","1") = "5"
    & skf21("1","6","3","4","6","1","5","1") = "5"
    & skf21("1","6","3","4","6","1","6","1") = "5"
    & skf21("1","6","3","4","6","1","7","1") = "6"
    & skf21("1","6","3","4","6","2","1","1") = "5"
    & skf21("1","6","3","4","6","2","2","1") = "5"
    & skf21("1","6","3","4","6","2","3","1") = "5"
    & skf21("1","6","3","4","6","2","4","1") = "5"
    & skf21("1","6","3","4","6","2","5","1") = "5"
    & skf21("1","6","3","4","6","2","6","1") = "5"
    & skf21("1","6","3","4","6","2","7","1") = "6"
    & skf21("1","6","3","4","6","3","1","1") = "5"
    & skf21("1","6","3","4","6","3","2","1") = "5"
    & skf21("1","6","3","4","6","3","3","1") = "5"
    & skf21("1","6","3","4","6","3","4","1") = "5"
    & skf21("1","6","3","4","6","3","5","1") = "5"
    & skf21("1","6","3","4","6","3","6","1") = "5"
    & skf21("1","6","3","4","6","3","7","1") = "6"
    & skf21("1","6","3","4","6","4","1","1") = "5"
    & skf21("1","6","3","4","6","4","2","1") = "5"
    & skf21("1","6","3","4","6","4","3","1") = "5"
    & skf21("1","6","3","4","6","4","4","1") = "5"
    & skf21("1","6","3","4","6","4","5","1") = "5"
    & skf21("1","6","3","4","6","4","6","1") = "5"
    & skf21("1","6","3","4","6","4","7","1") = "6"
    & skf21("1","6","3","4","6","5","1","1") = "5"
    & skf21("1","6","3","4","6","5","2","1") = "5"
    & skf21("1","6","3","4","6","5","3","1") = "5"
    & skf21("1","6","3","4","6","5","4","1") = "5"
    & skf21("1","6","3","4","6","5","5","1") = "5"
    & skf21("1","6","3","4","6","5","6","1") = "5"
    & skf21("1","6","3","4","6","5","7","1") = "6"
    & skf21("1","6","3","4","6","6","1","1") = "5"
    & skf21("1","6","3","4","6","6","2","1") = "5"
    & skf21("1","6","3","4","6","6","3","1") = "5"
    & skf21("1","6","3","4","6","6","4","1") = "5"
    & skf21("1","6","3","4","6","6","5","1") = "5"
    & skf21("1","6","3","4","6","6","6","1") = "5"
    & skf21("1","6","3","4","6","6","7","1") = "6"
    & skf21("1","6","3","4","6","7","1","1") = "6"
    & skf21("1","6","3","4","6","7","2","1") = "6"
    & skf21("1","6","3","4","6","7","3","1") = "6"
    & skf21("1","6","3","4","6","7","4","1") = "6"
    & skf21("1","6","3","4","6","7","5","1") = "6"
    & skf21("1","6","3","4","6","7","6","1") = "6"
    & skf21("1","6","3","4","6","7","7","1") = "6"
    & skf21("1","6","3","4","7","1","1","1") = "6"
    & skf21("1","6","3","4","7","1","2","1") = "6"
    & skf21("1","6","3","4","7","1","3","1") = "6"
    & skf21("1","6","3","4","7","1","4","1") = "6"
    & skf21("1","6","3","4","7","1","5","1") = "6"
    & skf21("1","6","3","4","7","1","6","1") = "6"
    & skf21("1","6","3","4","7","1","7","1") = "6"
    & skf21("1","6","3","4","7","2","1","1") = "6"
    & skf21("1","6","3","4","7","2","2","1") = "6"
    & skf21("1","6","3","4","7","2","3","1") = "6"
    & skf21("1","6","3","4","7","2","4","1") = "6"
    & skf21("1","6","3","4","7","2","5","1") = "6"
    & skf21("1","6","3","4","7","2","6","1") = "6"
    & skf21("1","6","3","4","7","2","7","1") = "6"
    & skf21("1","6","3","4","7","3","1","1") = "6"
    & skf21("1","6","3","4","7","3","2","1") = "6"
    & skf21("1","6","3","4","7","3","3","1") = "6"
    & skf21("1","6","3","4","7","3","4","1") = "6"
    & skf21("1","6","3","4","7","3","5","1") = "6"
    & skf21("1","6","3","4","7","3","6","1") = "6"
    & skf21("1","6","3","4","7","3","7","1") = "6"
    & skf21("1","6","3","4","7","4","1","1") = "6"
    & skf21("1","6","3","4","7","4","2","1") = "6"
    & skf21("1","6","3","4","7","4","3","1") = "6"
    & skf21("1","6","3","4","7","4","4","1") = "6"
    & skf21("1","6","3","4","7","4","5","1") = "6"
    & skf21("1","6","3","4","7","4","6","1") = "6"
    & skf21("1","6","3","4","7","4","7","1") = "6"
    & skf21("1","6","3","4","7","5","1","1") = "6"
    & skf21("1","6","3","4","7","5","2","1") = "6"
    & skf21("1","6","3","4","7","5","3","1") = "6"
    & skf21("1","6","3","4","7","5","4","1") = "6"
    & skf21("1","6","3","4","7","5","5","1") = "6"
    & skf21("1","6","3","4","7","5","6","1") = "6"
    & skf21("1","6","3","4","7","5","7","1") = "6"
    & skf21("1","6","3","4","7","6","1","1") = "6"
    & skf21("1","6","3","4","7","6","2","1") = "6"
    & skf21("1","6","3","4","7","6","3","1") = "6"
    & skf21("1","6","3","4","7","6","4","1") = "6"
    & skf21("1","6","3","4","7","6","5","1") = "6"
    & skf21("1","6","3","4","7","6","6","1") = "6"
    & skf21("1","6","3","4","7","6","7","1") = "6"
    & skf21("1","6","3","4","7","7","1","1") = "6"
    & skf21("1","6","3","4","7","7","2","1") = "6"
    & skf21("1","6","3","4","7","7","3","1") = "6"
    & skf21("1","6","3","4","7","7","4","1") = "6"
    & skf21("1","6","3","4","7","7","5","1") = "6"
    & skf21("1","6","3","4","7","7","6","1") = "6"
    & skf21("1","6","3","4","7","7","7","1") = "6"
    & skf21("1","6","3","5","1","1","1","1") = "5"
    & skf21("1","6","3","5","1","1","2","1") = "5"
    & skf21("1","6","3","5","1","1","3","1") = "5"
    & skf21("1","6","3","5","1","1","4","1") = "5"
    & skf21("1","6","3","5","1","1","5","1") = "5"
    & skf21("1","6","3","5","1","1","6","1") = "5"
    & skf21("1","6","3","5","1","1","7","1") = "6"
    & skf21("1","6","3","5","1","2","1","1") = "5"
    & skf21("1","6","3","5","1","2","2","1") = "5"
    & skf21("1","6","3","5","1","2","3","1") = "5"
    & skf21("1","6","3","5","1","2","4","1") = "5"
    & skf21("1","6","3","5","1","2","5","1") = "5"
    & skf21("1","6","3","5","1","2","6","1") = "5"
    & skf21("1","6","3","5","1","2","7","1") = "6"
    & skf21("1","6","3","5","1","3","1","1") = "5"
    & skf21("1","6","3","5","1","3","2","1") = "5"
    & skf21("1","6","3","5","1","3","3","1") = "5"
    & skf21("1","6","3","5","1","3","4","1") = "5"
    & skf21("1","6","3","5","1","3","5","1") = "5"
    & skf21("1","6","3","5","1","3","6","1") = "5"
    & skf21("1","6","3","5","1","3","7","1") = "6"
    & skf21("1","6","3","5","1","4","1","1") = "5"
    & skf21("1","6","3","5","1","4","2","1") = "5"
    & skf21("1","6","3","5","1","4","3","1") = "5"
    & skf21("1","6","3","5","1","4","4","1") = "5"
    & skf21("1","6","3","5","1","4","5","1") = "5"
    & skf21("1","6","3","5","1","4","6","1") = "5"
    & skf21("1","6","3","5","1","4","7","1") = "6"
    & skf21("1","6","3","5","1","5","1","1") = "5"
    & skf21("1","6","3","5","1","5","2","1") = "5"
    & skf21("1","6","3","5","1","5","3","1") = "5"
    & skf21("1","6","3","5","1","5","4","1") = "5"
    & skf21("1","6","3","5","1","5","5","1") = "5"
    & skf21("1","6","3","5","1","5","6","1") = "5"
    & skf21("1","6","3","5","1","5","7","1") = "6"
    & skf21("1","6","3","5","1","6","1","1") = "5"
    & skf21("1","6","3","5","1","6","2","1") = "5"
    & skf21("1","6","3","5","1","6","3","1") = "5"
    & skf21("1","6","3","5","1","6","4","1") = "5"
    & skf21("1","6","3","5","1","6","5","1") = "5"
    & skf21("1","6","3","5","1","6","6","1") = "5"
    & skf21("1","6","3","5","1","6","7","1") = "6"
    & skf21("1","6","3","5","1","7","1","1") = "6"
    & skf21("1","6","3","5","1","7","2","1") = "6"
    & skf21("1","6","3","5","1","7","3","1") = "6"
    & skf21("1","6","3","5","1","7","4","1") = "6"
    & skf21("1","6","3","5","1","7","5","1") = "6"
    & skf21("1","6","3","5","1","7","6","1") = "6"
    & skf21("1","6","3","5","1","7","7","1") = "6"
    & skf21("1","6","3","5","2","1","1","1") = "5"
    & skf21("1","6","3","5","2","1","2","1") = "5"
    & skf21("1","6","3","5","2","1","3","1") = "5"
    & skf21("1","6","3","5","2","1","4","1") = "5"
    & skf21("1","6","3","5","2","1","5","1") = "5"
    & skf21("1","6","3","5","2","1","6","1") = "5"
    & skf21("1","6","3","5","2","1","7","1") = "6"
    & skf21("1","6","3","5","2","2","1","1") = "5"
    & skf21("1","6","3","5","2","2","2","1") = "5"
    & skf21("1","6","3","5","2","2","3","1") = "5"
    & skf21("1","6","3","5","2","2","4","1") = "5"
    & skf21("1","6","3","5","2","2","5","1") = "5"
    & skf21("1","6","3","5","2","2","6","1") = "5"
    & skf21("1","6","3","5","2","2","7","1") = "6"
    & skf21("1","6","3","5","2","3","1","1") = "5"
    & skf21("1","6","3","5","2","3","2","1") = "5"
    & skf21("1","6","3","5","2","3","3","1") = "5"
    & skf21("1","6","3","5","2","3","4","1") = "5"
    & skf21("1","6","3","5","2","3","5","1") = "5"
    & skf21("1","6","3","5","2","3","6","1") = "5"
    & skf21("1","6","3","5","2","3","7","1") = "6"
    & skf21("1","6","3","5","2","4","1","1") = "5"
    & skf21("1","6","3","5","2","4","2","1") = "5"
    & skf21("1","6","3","5","2","4","3","1") = "5"
    & skf21("1","6","3","5","2","4","4","1") = "5"
    & skf21("1","6","3","5","2","4","5","1") = "5"
    & skf21("1","6","3","5","2","4","6","1") = "5"
    & skf21("1","6","3","5","2","4","7","1") = "6"
    & skf21("1","6","3","5","2","5","1","1") = "5"
    & skf21("1","6","3","5","2","5","2","1") = "5"
    & skf21("1","6","3","5","2","5","3","1") = "5"
    & skf21("1","6","3","5","2","5","4","1") = "5"
    & skf21("1","6","3","5","2","5","5","1") = "5"
    & skf21("1","6","3","5","2","5","6","1") = "5"
    & skf21("1","6","3","5","2","5","7","1") = "6"
    & skf21("1","6","3","5","2","6","1","1") = "5"
    & skf21("1","6","3","5","2","6","2","1") = "5"
    & skf21("1","6","3","5","2","6","3","1") = "5"
    & skf21("1","6","3","5","2","6","4","1") = "5"
    & skf21("1","6","3","5","2","6","5","1") = "5"
    & skf21("1","6","3","5","2","6","6","1") = "5"
    & skf21("1","6","3","5","2","6","7","1") = "6"
    & skf21("1","6","3","5","2","7","1","1") = "6"
    & skf21("1","6","3","5","2","7","2","1") = "6"
    & skf21("1","6","3","5","2","7","3","1") = "6"
    & skf21("1","6","3","5","2","7","4","1") = "6"
    & skf21("1","6","3","5","2","7","5","1") = "6"
    & skf21("1","6","3","5","2","7","6","1") = "6"
    & skf21("1","6","3","5","2","7","7","1") = "6"
    & skf21("1","6","3","5","3","1","1","1") = "5"
    & skf21("1","6","3","5","3","1","2","1") = "5"
    & skf21("1","6","3","5","3","1","3","1") = "5"
    & skf21("1","6","3","5","3","1","4","1") = "5"
    & skf21("1","6","3","5","3","1","5","1") = "5"
    & skf21("1","6","3","5","3","1","6","1") = "5"
    & skf21("1","6","3","5","3","1","7","1") = "6"
    & skf21("1","6","3","5","3","2","1","1") = "5"
    & skf21("1","6","3","5","3","2","2","1") = "5"
    & skf21("1","6","3","5","3","2","3","1") = "5"
    & skf21("1","6","3","5","3","2","4","1") = "5"
    & skf21("1","6","3","5","3","2","5","1") = "5"
    & skf21("1","6","3","5","3","2","6","1") = "5"
    & skf21("1","6","3","5","3","2","7","1") = "6"
    & skf21("1","6","3","5","3","3","1","1") = "5"
    & skf21("1","6","3","5","3","3","2","1") = "5"
    & skf21("1","6","3","5","3","3","3","1") = "5"
    & skf21("1","6","3","5","3","3","4","1") = "5"
    & skf21("1","6","3","5","3","3","5","1") = "5"
    & skf21("1","6","3","5","3","3","6","1") = "5"
    & skf21("1","6","3","5","3","3","7","1") = "6"
    & skf21("1","6","3","5","3","4","1","1") = "5"
    & skf21("1","6","3","5","3","4","2","1") = "5"
    & skf21("1","6","3","5","3","4","3","1") = "5"
    & skf21("1","6","3","5","3","4","4","1") = "5"
    & skf21("1","6","3","5","3","4","5","1") = "5"
    & skf21("1","6","3","5","3","4","6","1") = "5"
    & skf21("1","6","3","5","3","4","7","1") = "6"
    & skf21("1","6","3","5","3","5","1","1") = "5"
    & skf21("1","6","3","5","3","5","2","1") = "5"
    & skf21("1","6","3","5","3","5","3","1") = "5"
    & skf21("1","6","3","5","3","5","4","1") = "5"
    & skf21("1","6","3","5","3","5","5","1") = "5"
    & skf21("1","6","3","5","3","5","6","1") = "5"
    & skf21("1","6","3","5","3","5","7","1") = "6"
    & skf21("1","6","3","5","3","6","1","1") = "5"
    & skf21("1","6","3","5","3","6","2","1") = "5"
    & skf21("1","6","3","5","3","6","3","1") = "5"
    & skf21("1","6","3","5","3","6","4","1") = "5"
    & skf21("1","6","3","5","3","6","5","1") = "5"
    & skf21("1","6","3","5","3","6","6","1") = "5"
    & skf21("1","6","3","5","3","6","7","1") = "6"
    & skf21("1","6","3","5","3","7","1","1") = "6"
    & skf21("1","6","3","5","3","7","2","1") = "6"
    & skf21("1","6","3","5","3","7","3","1") = "6"
    & skf21("1","6","3","5","3","7","4","1") = "6"
    & skf21("1","6","3","5","3","7","5","1") = "6"
    & skf21("1","6","3","5","3","7","6","1") = "6"
    & skf21("1","6","3","5","3","7","7","1") = "6"
    & skf21("1","6","3","5","4","1","1","1") = "5"
    & skf21("1","6","3","5","4","1","2","1") = "5"
    & skf21("1","6","3","5","4","1","3","1") = "5"
    & skf21("1","6","3","5","4","1","4","1") = "5"
    & skf21("1","6","3","5","4","1","5","1") = "5"
    & skf21("1","6","3","5","4","1","6","1") = "5"
    & skf21("1","6","3","5","4","1","7","1") = "6"
    & skf21("1","6","3","5","4","2","1","1") = "5"
    & skf21("1","6","3","5","4","2","2","1") = "5"
    & skf21("1","6","3","5","4","2","3","1") = "5"
    & skf21("1","6","3","5","4","2","4","1") = "5"
    & skf21("1","6","3","5","4","2","5","1") = "5"
    & skf21("1","6","3","5","4","2","6","1") = "5"
    & skf21("1","6","3","5","4","2","7","1") = "6"
    & skf21("1","6","3","5","4","3","1","1") = "5"
    & skf21("1","6","3","5","4","3","2","1") = "5"
    & skf21("1","6","3","5","4","3","3","1") = "5"
    & skf21("1","6","3","5","4","3","4","1") = "5"
    & skf21("1","6","3","5","4","3","5","1") = "5"
    & skf21("1","6","3","5","4","3","6","1") = "5"
    & skf21("1","6","3","5","4","3","7","1") = "6"
    & skf21("1","6","3","5","4","4","1","1") = "5"
    & skf21("1","6","3","5","4","4","2","1") = "5"
    & skf21("1","6","3","5","4","4","3","1") = "5"
    & skf21("1","6","3","5","4","4","4","1") = "5"
    & skf21("1","6","3","5","4","4","5","1") = "5"
    & skf21("1","6","3","5","4","4","6","1") = "5"
    & skf21("1","6","3","5","4","4","7","1") = "6"
    & skf21("1","6","3","5","4","5","1","1") = "5"
    & skf21("1","6","3","5","4","5","2","1") = "5"
    & skf21("1","6","3","5","4","5","3","1") = "5"
    & skf21("1","6","3","5","4","5","4","1") = "5"
    & skf21("1","6","3","5","4","5","5","1") = "5"
    & skf21("1","6","3","5","4","5","6","1") = "5"
    & skf21("1","6","3","5","4","5","7","1") = "6"
    & skf21("1","6","3","5","4","6","1","1") = "5"
    & skf21("1","6","3","5","4","6","2","1") = "5"
    & skf21("1","6","3","5","4","6","3","1") = "5"
    & skf21("1","6","3","5","4","6","4","1") = "5"
    & skf21("1","6","3","5","4","6","5","1") = "5"
    & skf21("1","6","3","5","4","6","6","1") = "5"
    & skf21("1","6","3","5","4","6","7","1") = "6"
    & skf21("1","6","3","5","4","7","1","1") = "6"
    & skf21("1","6","3","5","4","7","2","1") = "6"
    & skf21("1","6","3","5","4","7","3","1") = "6"
    & skf21("1","6","3","5","4","7","4","1") = "6"
    & skf21("1","6","3","5","4","7","5","1") = "6"
    & skf21("1","6","3","5","4","7","6","1") = "6"
    & skf21("1","6","3","5","4","7","7","1") = "6"
    & skf21("1","6","3","5","5","1","1","1") = "5"
    & skf21("1","6","3","5","5","1","2","1") = "5"
    & skf21("1","6","3","5","5","1","3","1") = "5"
    & skf21("1","6","3","5","5","1","4","1") = "5"
    & skf21("1","6","3","5","5","1","5","1") = "5"
    & skf21("1","6","3","5","5","1","6","1") = "5"
    & skf21("1","6","3","5","5","1","7","1") = "6"
    & skf21("1","6","3","5","5","2","1","1") = "5"
    & skf21("1","6","3","5","5","2","2","1") = "5"
    & skf21("1","6","3","5","5","2","3","1") = "5"
    & skf21("1","6","3","5","5","2","4","1") = "5"
    & skf21("1","6","3","5","5","2","5","1") = "5"
    & skf21("1","6","3","5","5","2","6","1") = "5"
    & skf21("1","6","3","5","5","2","7","1") = "6"
    & skf21("1","6","3","5","5","3","1","1") = "5"
    & skf21("1","6","3","5","5","3","2","1") = "5"
    & skf21("1","6","3","5","5","3","3","1") = "5"
    & skf21("1","6","3","5","5","3","4","1") = "5"
    & skf21("1","6","3","5","5","3","5","1") = "5"
    & skf21("1","6","3","5","5","3","6","1") = "5"
    & skf21("1","6","3","5","5","3","7","1") = "6"
    & skf21("1","6","3","5","5","4","1","1") = "5"
    & skf21("1","6","3","5","5","4","2","1") = "5"
    & skf21("1","6","3","5","5","4","3","1") = "5"
    & skf21("1","6","3","5","5","4","4","1") = "5"
    & skf21("1","6","3","5","5","4","5","1") = "5"
    & skf21("1","6","3","5","5","4","6","1") = "5"
    & skf21("1","6","3","5","5","4","7","1") = "6"
    & skf21("1","6","3","5","5","5","1","1") = "5"
    & skf21("1","6","3","5","5","5","2","1") = "5"
    & skf21("1","6","3","5","5","5","3","1") = "5"
    & skf21("1","6","3","5","5","5","4","1") = "5"
    & skf21("1","6","3","5","5","5","5","1") = "5"
    & skf21("1","6","3","5","5","5","6","1") = "5"
    & skf21("1","6","3","5","5","5","7","1") = "6"
    & skf21("1","6","3","5","5","6","1","1") = "5"
    & skf21("1","6","3","5","5","6","2","1") = "5"
    & skf21("1","6","3","5","5","6","3","1") = "5"
    & skf21("1","6","3","5","5","6","4","1") = "5"
    & skf21("1","6","3","5","5","6","5","1") = "5"
    & skf21("1","6","3","5","5","6","6","1") = "5"
    & skf21("1","6","3","5","5","6","7","1") = "6"
    & skf21("1","6","3","5","5","7","1","1") = "6"
    & skf21("1","6","3","5","5","7","2","1") = "6"
    & skf21("1","6","3","5","5","7","3","1") = "6"
    & skf21("1","6","3","5","5","7","4","1") = "6"
    & skf21("1","6","3","5","5","7","5","1") = "6"
    & skf21("1","6","3","5","5","7","6","1") = "6"
    & skf21("1","6","3","5","5","7","7","1") = "6"
    & skf21("1","6","3","5","6","1","1","1") = "5"
    & skf21("1","6","3","5","6","1","2","1") = "5"
    & skf21("1","6","3","5","6","1","3","1") = "5"
    & skf21("1","6","3","5","6","1","4","1") = "5"
    & skf21("1","6","3","5","6","1","5","1") = "5"
    & skf21("1","6","3","5","6","1","6","1") = "5"
    & skf21("1","6","3","5","6","1","7","1") = "6"
    & skf21("1","6","3","5","6","2","1","1") = "5"
    & skf21("1","6","3","5","6","2","2","1") = "5"
    & skf21("1","6","3","5","6","2","3","1") = "5"
    & skf21("1","6","3","5","6","2","4","1") = "5"
    & skf21("1","6","3","5","6","2","5","1") = "5"
    & skf21("1","6","3","5","6","2","6","1") = "5"
    & skf21("1","6","3","5","6","2","7","1") = "6"
    & skf21("1","6","3","5","6","3","1","1") = "5"
    & skf21("1","6","3","5","6","3","2","1") = "5"
    & skf21("1","6","3","5","6","3","3","1") = "5"
    & skf21("1","6","3","5","6","3","4","1") = "5"
    & skf21("1","6","3","5","6","3","5","1") = "5"
    & skf21("1","6","3","5","6","3","6","1") = "5"
    & skf21("1","6","3","5","6","3","7","1") = "6"
    & skf21("1","6","3","5","6","4","1","1") = "5"
    & skf21("1","6","3","5","6","4","2","1") = "5"
    & skf21("1","6","3","5","6","4","3","1") = "5"
    & skf21("1","6","3","5","6","4","4","1") = "5"
    & skf21("1","6","3","5","6","4","5","1") = "5"
    & skf21("1","6","3","5","6","4","6","1") = "5"
    & skf21("1","6","3","5","6","4","7","1") = "6"
    & skf21("1","6","3","5","6","5","1","1") = "5"
    & skf21("1","6","3","5","6","5","2","1") = "5"
    & skf21("1","6","3","5","6","5","3","1") = "5"
    & skf21("1","6","3","5","6","5","4","1") = "5"
    & skf21("1","6","3","5","6","5","5","1") = "5"
    & skf21("1","6","3","5","6","5","6","1") = "5"
    & skf21("1","6","3","5","6","5","7","1") = "6"
    & skf21("1","6","3","5","6","6","1","1") = "5"
    & skf21("1","6","3","5","6","6","2","1") = "5"
    & skf21("1","6","3","5","6","6","3","1") = "5"
    & skf21("1","6","3","5","6","6","4","1") = "5"
    & skf21("1","6","3","5","6","6","5","1") = "5"
    & skf21("1","6","3","5","6","6","6","1") = "5"
    & skf21("1","6","3","5","6","6","7","1") = "6"
    & skf21("1","6","3","5","6","7","1","1") = "6"
    & skf21("1","6","3","5","6","7","2","1") = "6"
    & skf21("1","6","3","5","6","7","3","1") = "6"
    & skf21("1","6","3","5","6","7","4","1") = "6"
    & skf21("1","6","3","5","6","7","5","1") = "6"
    & skf21("1","6","3","5","6","7","6","1") = "6"
    & skf21("1","6","3","5","6","7","7","1") = "6"
    & skf21("1","6","3","5","7","1","1","1") = "6"
    & skf21("1","6","3","5","7","1","2","1") = "6"
    & skf21("1","6","3","5","7","1","3","1") = "6"
    & skf21("1","6","3","5","7","1","4","1") = "6"
    & skf21("1","6","3","5","7","1","5","1") = "6"
    & skf21("1","6","3","5","7","1","6","1") = "6"
    & skf21("1","6","3","5","7","1","7","1") = "6"
    & skf21("1","6","3","5","7","2","1","1") = "6"
    & skf21("1","6","3","5","7","2","2","1") = "6"
    & skf21("1","6","3","5","7","2","3","1") = "6"
    & skf21("1","6","3","5","7","2","4","1") = "6"
    & skf21("1","6","3","5","7","2","5","1") = "6"
    & skf21("1","6","3","5","7","2","6","1") = "6"
    & skf21("1","6","3","5","7","2","7","1") = "6"
    & skf21("1","6","3","5","7","3","1","1") = "6"
    & skf21("1","6","3","5","7","3","2","1") = "6"
    & skf21("1","6","3","5","7","3","3","1") = "6"
    & skf21("1","6","3","5","7","3","4","1") = "6"
    & skf21("1","6","3","5","7","3","5","1") = "6"
    & skf21("1","6","3","5","7","3","6","1") = "6"
    & skf21("1","6","3","5","7","3","7","1") = "6"
    & skf21("1","6","3","5","7","4","1","1") = "6"
    & skf21("1","6","3","5","7","4","2","1") = "6"
    & skf21("1","6","3","5","7","4","3","1") = "6"
    & skf21("1","6","3","5","7","4","4","1") = "6"
    & skf21("1","6","3","5","7","4","5","1") = "6"
    & skf21("1","6","3","5","7","4","6","1") = "6"
    & skf21("1","6","3","5","7","4","7","1") = "6"
    & skf21("1","6","3","5","7","5","1","1") = "6"
    & skf21("1","6","3","5","7","5","2","1") = "6"
    & skf21("1","6","3","5","7","5","3","1") = "6"
    & skf21("1","6","3","5","7","5","4","1") = "6"
    & skf21("1","6","3","5","7","5","5","1") = "6"
    & skf21("1","6","3","5","7","5","6","1") = "6"
    & skf21("1","6","3","5","7","5","7","1") = "6"
    & skf21("1","6","3","5","7","6","1","1") = "6"
    & skf21("1","6","3","5","7","6","2","1") = "6"
    & skf21("1","6","3","5","7","6","3","1") = "6"
    & skf21("1","6","3","5","7","6","4","1") = "6"
    & skf21("1","6","3","5","7","6","5","1") = "6"
    & skf21("1","6","3","5","7","6","6","1") = "6"
    & skf21("1","6","3","5","7","6","7","1") = "6"
    & skf21("1","6","3","5","7","7","1","1") = "6"
    & skf21("1","6","3","5","7","7","2","1") = "6"
    & skf21("1","6","3","5","7","7","3","1") = "6"
    & skf21("1","6","3","5","7","7","4","1") = "6"
    & skf21("1","6","3","5","7","7","5","1") = "6"
    & skf21("1","6","3","5","7","7","6","1") = "6"
    & skf21("1","6","3","5","7","7","7","1") = "6"
    & skf21("1","6","3","6","1","1","1","1") = "5"
    & skf21("1","6","3","6","1","1","2","1") = "5"
    & skf21("1","6","3","6","1","1","3","1") = "5"
    & skf21("1","6","3","6","1","1","4","1") = "5"
    & skf21("1","6","3","6","1","1","5","1") = "5"
    & skf21("1","6","3","6","1","1","6","1") = "5"
    & skf21("1","6","3","6","1","1","7","1") = "6"
    & skf21("1","6","3","6","1","2","1","1") = "5"
    & skf21("1","6","3","6","1","2","2","1") = "5"
    & skf21("1","6","3","6","1","2","3","1") = "5"
    & skf21("1","6","3","6","1","2","4","1") = "5"
    & skf21("1","6","3","6","1","2","5","1") = "5"
    & skf21("1","6","3","6","1","2","6","1") = "5"
    & skf21("1","6","3","6","1","2","7","1") = "6"
    & skf21("1","6","3","6","1","3","1","1") = "5"
    & skf21("1","6","3","6","1","3","2","1") = "5"
    & skf21("1","6","3","6","1","3","3","1") = "5"
    & skf21("1","6","3","6","1","3","4","1") = "5"
    & skf21("1","6","3","6","1","3","5","1") = "5"
    & skf21("1","6","3","6","1","3","6","1") = "5"
    & skf21("1","6","3","6","1","3","7","1") = "6"
    & skf21("1","6","3","6","1","4","1","1") = "5"
    & skf21("1","6","3","6","1","4","2","1") = "5"
    & skf21("1","6","3","6","1","4","3","1") = "5"
    & skf21("1","6","3","6","1","4","4","1") = "5"
    & skf21("1","6","3","6","1","4","5","1") = "5"
    & skf21("1","6","3","6","1","4","6","1") = "5"
    & skf21("1","6","3","6","1","4","7","1") = "6"
    & skf21("1","6","3","6","1","5","1","1") = "5"
    & skf21("1","6","3","6","1","5","2","1") = "5"
    & skf21("1","6","3","6","1","5","3","1") = "5"
    & skf21("1","6","3","6","1","5","4","1") = "5"
    & skf21("1","6","3","6","1","5","5","1") = "5"
    & skf21("1","6","3","6","1","5","6","1") = "5"
    & skf21("1","6","3","6","1","5","7","1") = "6"
    & skf21("1","6","3","6","1","6","1","1") = "5"
    & skf21("1","6","3","6","1","6","2","1") = "5"
    & skf21("1","6","3","6","1","6","3","1") = "5"
    & skf21("1","6","3","6","1","6","4","1") = "5"
    & skf21("1","6","3","6","1","6","5","1") = "5"
    & skf21("1","6","3","6","1","6","6","1") = "5"
    & skf21("1","6","3","6","1","6","7","1") = "6"
    & skf21("1","6","3","6","1","7","1","1") = "6"
    & skf21("1","6","3","6","1","7","2","1") = "6"
    & skf21("1","6","3","6","1","7","3","1") = "6"
    & skf21("1","6","3","6","1","7","4","1") = "6"
    & skf21("1","6","3","6","1","7","5","1") = "6"
    & skf21("1","6","3","6","1","7","6","1") = "6"
    & skf21("1","6","3","6","1","7","7","1") = "6"
    & skf21("1","6","3","6","2","1","1","1") = "5"
    & skf21("1","6","3","6","2","1","2","1") = "5"
    & skf21("1","6","3","6","2","1","3","1") = "5"
    & skf21("1","6","3","6","2","1","4","1") = "5"
    & skf21("1","6","3","6","2","1","5","1") = "5"
    & skf21("1","6","3","6","2","1","6","1") = "5"
    & skf21("1","6","3","6","2","1","7","1") = "6"
    & skf21("1","6","3","6","2","2","1","1") = "5"
    & skf21("1","6","3","6","2","2","2","1") = "5"
    & skf21("1","6","3","6","2","2","3","1") = "5"
    & skf21("1","6","3","6","2","2","4","1") = "5"
    & skf21("1","6","3","6","2","2","5","1") = "5"
    & skf21("1","6","3","6","2","2","6","1") = "5"
    & skf21("1","6","3","6","2","2","7","1") = "6"
    & skf21("1","6","3","6","2","3","1","1") = "5"
    & skf21("1","6","3","6","2","3","2","1") = "5"
    & skf21("1","6","3","6","2","3","3","1") = "5"
    & skf21("1","6","3","6","2","3","4","1") = "5"
    & skf21("1","6","3","6","2","3","5","1") = "5"
    & skf21("1","6","3","6","2","3","6","1") = "5"
    & skf21("1","6","3","6","2","3","7","1") = "6"
    & skf21("1","6","3","6","2","4","1","1") = "5"
    & skf21("1","6","3","6","2","4","2","1") = "5"
    & skf21("1","6","3","6","2","4","3","1") = "5"
    & skf21("1","6","3","6","2","4","4","1") = "5"
    & skf21("1","6","3","6","2","4","5","1") = "5"
    & skf21("1","6","3","6","2","4","6","1") = "5"
    & skf21("1","6","3","6","2","4","7","1") = "6"
    & skf21("1","6","3","6","2","5","1","1") = "5"
    & skf21("1","6","3","6","2","5","2","1") = "5"
    & skf21("1","6","3","6","2","5","3","1") = "5"
    & skf21("1","6","3","6","2","5","4","1") = "5"
    & skf21("1","6","3","6","2","5","5","1") = "5"
    & skf21("1","6","3","6","2","5","6","1") = "5"
    & skf21("1","6","3","6","2","5","7","1") = "6"
    & skf21("1","6","3","6","2","6","1","1") = "5"
    & skf21("1","6","3","6","2","6","2","1") = "5"
    & skf21("1","6","3","6","2","6","3","1") = "5"
    & skf21("1","6","3","6","2","6","4","1") = "5"
    & skf21("1","6","3","6","2","6","5","1") = "5"
    & skf21("1","6","3","6","2","6","6","1") = "5"
    & skf21("1","6","3","6","2","6","7","1") = "6"
    & skf21("1","6","3","6","2","7","1","1") = "6"
    & skf21("1","6","3","6","2","7","2","1") = "6"
    & skf21("1","6","3","6","2","7","3","1") = "6"
    & skf21("1","6","3","6","2","7","4","1") = "6"
    & skf21("1","6","3","6","2","7","5","1") = "6"
    & skf21("1","6","3","6","2","7","6","1") = "6"
    & skf21("1","6","3","6","2","7","7","1") = "6"
    & skf21("1","6","3","6","3","1","1","1") = "5"
    & skf21("1","6","3","6","3","1","2","1") = "5"
    & skf21("1","6","3","6","3","1","3","1") = "5"
    & skf21("1","6","3","6","3","1","4","1") = "5"
    & skf21("1","6","3","6","3","1","5","1") = "5"
    & skf21("1","6","3","6","3","1","6","1") = "5"
    & skf21("1","6","3","6","3","1","7","1") = "6"
    & skf21("1","6","3","6","3","2","1","1") = "5"
    & skf21("1","6","3","6","3","2","2","1") = "5"
    & skf21("1","6","3","6","3","2","3","1") = "5"
    & skf21("1","6","3","6","3","2","4","1") = "5"
    & skf21("1","6","3","6","3","2","5","1") = "5"
    & skf21("1","6","3","6","3","2","6","1") = "5"
    & skf21("1","6","3","6","3","2","7","1") = "6"
    & skf21("1","6","3","6","3","3","1","1") = "5"
    & skf21("1","6","3","6","3","3","2","1") = "5"
    & skf21("1","6","3","6","3","3","3","1") = "5"
    & skf21("1","6","3","6","3","3","4","1") = "5"
    & skf21("1","6","3","6","3","3","5","1") = "5"
    & skf21("1","6","3","6","3","3","6","1") = "5"
    & skf21("1","6","3","6","3","3","7","1") = "6"
    & skf21("1","6","3","6","3","4","1","1") = "5"
    & skf21("1","6","3","6","3","4","2","1") = "5"
    & skf21("1","6","3","6","3","4","3","1") = "5"
    & skf21("1","6","3","6","3","4","4","1") = "5"
    & skf21("1","6","3","6","3","4","5","1") = "5"
    & skf21("1","6","3","6","3","4","6","1") = "5"
    & skf21("1","6","3","6","3","4","7","1") = "6"
    & skf21("1","6","3","6","3","5","1","1") = "5"
    & skf21("1","6","3","6","3","5","2","1") = "5"
    & skf21("1","6","3","6","3","5","3","1") = "5"
    & skf21("1","6","3","6","3","5","4","1") = "5"
    & skf21("1","6","3","6","3","5","5","1") = "5"
    & skf21("1","6","3","6","3","5","6","1") = "5"
    & skf21("1","6","3","6","3","5","7","1") = "6"
    & skf21("1","6","3","6","3","6","1","1") = "5"
    & skf21("1","6","3","6","3","6","2","1") = "5"
    & skf21("1","6","3","6","3","6","3","1") = "5"
    & skf21("1","6","3","6","3","6","4","1") = "5"
    & skf21("1","6","3","6","3","6","5","1") = "5"
    & skf21("1","6","3","6","3","6","6","1") = "5"
    & skf21("1","6","3","6","3","6","7","1") = "6"
    & skf21("1","6","3","6","3","7","1","1") = "6"
    & skf21("1","6","3","6","3","7","2","1") = "6"
    & skf21("1","6","3","6","3","7","3","1") = "6"
    & skf21("1","6","3","6","3","7","4","1") = "6"
    & skf21("1","6","3","6","3","7","5","1") = "6"
    & skf21("1","6","3","6","3","7","6","1") = "6"
    & skf21("1","6","3","6","3","7","7","1") = "6"
    & skf21("1","6","3","6","4","1","1","1") = "5"
    & skf21("1","6","3","6","4","1","2","1") = "5"
    & skf21("1","6","3","6","4","1","3","1") = "5"
    & skf21("1","6","3","6","4","1","4","1") = "5"
    & skf21("1","6","3","6","4","1","5","1") = "5"
    & skf21("1","6","3","6","4","1","6","1") = "5"
    & skf21("1","6","3","6","4","1","7","1") = "6"
    & skf21("1","6","3","6","4","2","1","1") = "5"
    & skf21("1","6","3","6","4","2","2","1") = "5"
    & skf21("1","6","3","6","4","2","3","1") = "5"
    & skf21("1","6","3","6","4","2","4","1") = "5"
    & skf21("1","6","3","6","4","2","5","1") = "5"
    & skf21("1","6","3","6","4","2","6","1") = "5"
    & skf21("1","6","3","6","4","2","7","1") = "6"
    & skf21("1","6","3","6","4","3","1","1") = "5"
    & skf21("1","6","3","6","4","3","2","1") = "5"
    & skf21("1","6","3","6","4","3","3","1") = "5"
    & skf21("1","6","3","6","4","3","4","1") = "5"
    & skf21("1","6","3","6","4","3","5","1") = "5"
    & skf21("1","6","3","6","4","3","6","1") = "5"
    & skf21("1","6","3","6","4","3","7","1") = "6"
    & skf21("1","6","3","6","4","4","1","1") = "5"
    & skf21("1","6","3","6","4","4","2","1") = "5"
    & skf21("1","6","3","6","4","4","3","1") = "5"
    & skf21("1","6","3","6","4","4","4","1") = "5"
    & skf21("1","6","3","6","4","4","5","1") = "5"
    & skf21("1","6","3","6","4","4","6","1") = "5"
    & skf21("1","6","3","6","4","4","7","1") = "6"
    & skf21("1","6","3","6","4","5","1","1") = "5"
    & skf21("1","6","3","6","4","5","2","1") = "5"
    & skf21("1","6","3","6","4","5","3","1") = "5"
    & skf21("1","6","3","6","4","5","4","1") = "5"
    & skf21("1","6","3","6","4","5","5","1") = "5"
    & skf21("1","6","3","6","4","5","6","1") = "5"
    & skf21("1","6","3","6","4","5","7","1") = "6"
    & skf21("1","6","3","6","4","6","1","1") = "5"
    & skf21("1","6","3","6","4","6","2","1") = "5"
    & skf21("1","6","3","6","4","6","3","1") = "5"
    & skf21("1","6","3","6","4","6","4","1") = "5"
    & skf21("1","6","3","6","4","6","5","1") = "5"
    & skf21("1","6","3","6","4","6","6","1") = "5"
    & skf21("1","6","3","6","4","6","7","1") = "6"
    & skf21("1","6","3","6","4","7","1","1") = "6"
    & skf21("1","6","3","6","4","7","2","1") = "6"
    & skf21("1","6","3","6","4","7","3","1") = "6"
    & skf21("1","6","3","6","4","7","4","1") = "6"
    & skf21("1","6","3","6","4","7","5","1") = "6"
    & skf21("1","6","3","6","4","7","6","1") = "6"
    & skf21("1","6","3","6","4","7","7","1") = "6"
    & skf21("1","6","3","6","5","1","1","1") = "5"
    & skf21("1","6","3","6","5","1","2","1") = "5"
    & skf21("1","6","3","6","5","1","3","1") = "5"
    & skf21("1","6","3","6","5","1","4","1") = "5"
    & skf21("1","6","3","6","5","1","5","1") = "5"
    & skf21("1","6","3","6","5","1","6","1") = "5"
    & skf21("1","6","3","6","5","1","7","1") = "6"
    & skf21("1","6","3","6","5","2","1","1") = "5"
    & skf21("1","6","3","6","5","2","2","1") = "5"
    & skf21("1","6","3","6","5","2","3","1") = "5"
    & skf21("1","6","3","6","5","2","4","1") = "5"
    & skf21("1","6","3","6","5","2","5","1") = "5"
    & skf21("1","6","3","6","5","2","6","1") = "5"
    & skf21("1","6","3","6","5","2","7","1") = "6"
    & skf21("1","6","3","6","5","3","1","1") = "5"
    & skf21("1","6","3","6","5","3","2","1") = "5"
    & skf21("1","6","3","6","5","3","3","1") = "5"
    & skf21("1","6","3","6","5","3","4","1") = "5"
    & skf21("1","6","3","6","5","3","5","1") = "5"
    & skf21("1","6","3","6","5","3","6","1") = "5"
    & skf21("1","6","3","6","5","3","7","1") = "6"
    & skf21("1","6","3","6","5","4","1","1") = "5"
    & skf21("1","6","3","6","5","4","2","1") = "5"
    & skf21("1","6","3","6","5","4","3","1") = "5"
    & skf21("1","6","3","6","5","4","4","1") = "5"
    & skf21("1","6","3","6","5","4","5","1") = "5"
    & skf21("1","6","3","6","5","4","6","1") = "5"
    & skf21("1","6","3","6","5","4","7","1") = "6"
    & skf21("1","6","3","6","5","5","1","1") = "5"
    & skf21("1","6","3","6","5","5","2","1") = "5"
    & skf21("1","6","3","6","5","5","3","1") = "5"
    & skf21("1","6","3","6","5","5","4","1") = "5"
    & skf21("1","6","3","6","5","5","5","1") = "5"
    & skf21("1","6","3","6","5","5","6","1") = "5"
    & skf21("1","6","3","6","5","5","7","1") = "6"
    & skf21("1","6","3","6","5","6","1","1") = "5"
    & skf21("1","6","3","6","5","6","2","1") = "5"
    & skf21("1","6","3","6","5","6","3","1") = "5"
    & skf21("1","6","3","6","5","6","4","1") = "5"
    & skf21("1","6","3","6","5","6","5","1") = "5"
    & skf21("1","6","3","6","5","6","6","1") = "5"
    & skf21("1","6","3","6","5","6","7","1") = "6"
    & skf21("1","6","3","6","5","7","1","1") = "6"
    & skf21("1","6","3","6","5","7","2","1") = "6"
    & skf21("1","6","3","6","5","7","3","1") = "6"
    & skf21("1","6","3","6","5","7","4","1") = "6"
    & skf21("1","6","3","6","5","7","5","1") = "6"
    & skf21("1","6","3","6","5","7","6","1") = "6"
    & skf21("1","6","3","6","5","7","7","1") = "6"
    & skf21("1","6","3","6","6","1","1","1") = "5"
    & skf21("1","6","3","6","6","1","2","1") = "5"
    & skf21("1","6","3","6","6","1","3","1") = "5"
    & skf21("1","6","3","6","6","1","4","1") = "5"
    & skf21("1","6","3","6","6","1","5","1") = "5"
    & skf21("1","6","3","6","6","1","6","1") = "5"
    & skf21("1","6","3","6","6","1","7","1") = "6"
    & skf21("1","6","3","6","6","2","1","1") = "5"
    & skf21("1","6","3","6","6","2","2","1") = "5"
    & skf21("1","6","3","6","6","2","3","1") = "5"
    & skf21("1","6","3","6","6","2","4","1") = "5"
    & skf21("1","6","3","6","6","2","5","1") = "5"
    & skf21("1","6","3","6","6","2","6","1") = "5"
    & skf21("1","6","3","6","6","2","7","1") = "6"
    & skf21("1","6","3","6","6","3","1","1") = "5"
    & skf21("1","6","3","6","6","3","2","1") = "5"
    & skf21("1","6","3","6","6","3","3","1") = "5"
    & skf21("1","6","3","6","6","3","4","1") = "5"
    & skf21("1","6","3","6","6","3","5","1") = "5"
    & skf21("1","6","3","6","6","3","6","1") = "5"
    & skf21("1","6","3","6","6","3","7","1") = "6"
    & skf21("1","6","3","6","6","4","1","1") = "5"
    & skf21("1","6","3","6","6","4","2","1") = "5"
    & skf21("1","6","3","6","6","4","3","1") = "5"
    & skf21("1","6","3","6","6","4","4","1") = "5"
    & skf21("1","6","3","6","6","4","5","1") = "5"
    & skf21("1","6","3","6","6","4","6","1") = "5"
    & skf21("1","6","3","6","6","4","7","1") = "6"
    & skf21("1","6","3","6","6","5","1","1") = "5"
    & skf21("1","6","3","6","6","5","2","1") = "5"
    & skf21("1","6","3","6","6","5","3","1") = "5"
    & skf21("1","6","3","6","6","5","4","1") = "5"
    & skf21("1","6","3","6","6","5","5","1") = "5"
    & skf21("1","6","3","6","6","5","6","1") = "5"
    & skf21("1","6","3","6","6","5","7","1") = "6"
    & skf21("1","6","3","6","6","6","1","1") = "5"
    & skf21("1","6","3","6","6","6","2","1") = "5"
    & skf21("1","6","3","6","6","6","3","1") = "5"
    & skf21("1","6","3","6","6","6","4","1") = "5"
    & skf21("1","6","3","6","6","6","5","1") = "5"
    & skf21("1","6","3","6","6","6","6","1") = "5"
    & skf21("1","6","3","6","6","6","7","1") = "6"
    & skf21("1","6","3","6","6","7","1","1") = "6"
    & skf21("1","6","3","6","6","7","2","1") = "6"
    & skf21("1","6","3","6","6","7","3","1") = "6"
    & skf21("1","6","3","6","6","7","4","1") = "6"
    & skf21("1","6","3","6","6","7","5","1") = "6"
    & skf21("1","6","3","6","6","7","6","1") = "6"
    & skf21("1","6","3","6","6","7","7","1") = "6"
    & skf21("1","6","3","6","7","1","1","1") = "6"
    & skf21("1","6","3","6","7","1","2","1") = "6"
    & skf21("1","6","3","6","7","1","3","1") = "6"
    & skf21("1","6","3","6","7","1","4","1") = "6"
    & skf21("1","6","3","6","7","1","5","1") = "6"
    & skf21("1","6","3","6","7","1","6","1") = "6"
    & skf21("1","6","3","6","7","1","7","1") = "6"
    & skf21("1","6","3","6","7","2","1","1") = "6"
    & skf21("1","6","3","6","7","2","2","1") = "6"
    & skf21("1","6","3","6","7","2","3","1") = "6"
    & skf21("1","6","3","6","7","2","4","1") = "6"
    & skf21("1","6","3","6","7","2","5","1") = "6"
    & skf21("1","6","3","6","7","2","6","1") = "6"
    & skf21("1","6","3","6","7","2","7","1") = "6"
    & skf21("1","6","3","6","7","3","1","1") = "6"
    & skf21("1","6","3","6","7","3","2","1") = "6"
    & skf21("1","6","3","6","7","3","3","1") = "6"
    & skf21("1","6","3","6","7","3","4","1") = "6"
    & skf21("1","6","3","6","7","3","5","1") = "6"
    & skf21("1","6","3","6","7","3","6","1") = "6"
    & skf21("1","6","3","6","7","3","7","1") = "6"
    & skf21("1","6","3","6","7","4","1","1") = "6"
    & skf21("1","6","3","6","7","4","2","1") = "6"
    & skf21("1","6","3","6","7","4","3","1") = "6"
    & skf21("1","6","3","6","7","4","4","1") = "6"
    & skf21("1","6","3","6","7","4","5","1") = "6"
    & skf21("1","6","3","6","7","4","6","1") = "6"
    & skf21("1","6","3","6","7","4","7","1") = "6"
    & skf21("1","6","3","6","7","5","1","1") = "6"
    & skf21("1","6","3","6","7","5","2","1") = "6"
    & skf21("1","6","3","6","7","5","3","1") = "6"
    & skf21("1","6","3","6","7","5","4","1") = "6"
    & skf21("1","6","3","6","7","5","5","1") = "6"
    & skf21("1","6","3","6","7","5","6","1") = "6"
    & skf21("1","6","3","6","7","5","7","1") = "6"
    & skf21("1","6","3","6","7","6","1","1") = "6"
    & skf21("1","6","3","6","7","6","2","1") = "6"
    & skf21("1","6","3","6","7","6","3","1") = "6"
    & skf21("1","6","3","6","7","6","4","1") = "6"
    & skf21("1","6","3","6","7","6","5","1") = "6"
    & skf21("1","6","3","6","7","6","6","1") = "6"
    & skf21("1","6","3","6","7","6","7","1") = "6"
    & skf21("1","6","3","6","7","7","1","1") = "6"
    & skf21("1","6","3","6","7","7","2","1") = "6"
    & skf21("1","6","3","6","7","7","3","1") = "6"
    & skf21("1","6","3","6","7","7","4","1") = "6"
    & skf21("1","6","3","6","7","7","5","1") = "6"
    & skf21("1","6","3","6","7","7","6","1") = "6"
    & skf21("1","6","3","6","7","7","7","1") = "6"
    & skf21("1","6","3","7","1","1","1","1") = "6"
    & skf21("1","6","3","7","1","1","2","1") = "6"
    & skf21("1","6","3","7","1","1","3","1") = "6"
    & skf21("1","6","3","7","1","1","4","1") = "6"
    & skf21("1","6","3","7","1","1","5","1") = "6"
    & skf21("1","6","3","7","1","1","6","1") = "6"
    & skf21("1","6","3","7","1","1","7","1") = "6"
    & skf21("1","6","3","7","1","2","1","1") = "6"
    & skf21("1","6","3","7","1","2","2","1") = "6"
    & skf21("1","6","3","7","1","2","3","1") = "6"
    & skf21("1","6","3","7","1","2","4","1") = "6"
    & skf21("1","6","3","7","1","2","5","1") = "6"
    & skf21("1","6","3","7","1","2","6","1") = "6"
    & skf21("1","6","3","7","1","2","7","1") = "6"
    & skf21("1","6","3","7","1","3","1","1") = "6"
    & skf21("1","6","3","7","1","3","2","1") = "6"
    & skf21("1","6","3","7","1","3","3","1") = "6"
    & skf21("1","6","3","7","1","3","4","1") = "6"
    & skf21("1","6","3","7","1","3","5","1") = "6"
    & skf21("1","6","3","7","1","3","6","1") = "6"
    & skf21("1","6","3","7","1","3","7","1") = "6"
    & skf21("1","6","3","7","1","4","1","1") = "6"
    & skf21("1","6","3","7","1","4","2","1") = "6"
    & skf21("1","6","3","7","1","4","3","1") = "6"
    & skf21("1","6","3","7","1","4","4","1") = "6"
    & skf21("1","6","3","7","1","4","5","1") = "6"
    & skf21("1","6","3","7","1","4","6","1") = "6"
    & skf21("1","6","3","7","1","4","7","1") = "6"
    & skf21("1","6","3","7","1","5","1","1") = "6"
    & skf21("1","6","3","7","1","5","2","1") = "6"
    & skf21("1","6","3","7","1","5","3","1") = "6"
    & skf21("1","6","3","7","1","5","4","1") = "6"
    & skf21("1","6","3","7","1","5","5","1") = "6"
    & skf21("1","6","3","7","1","5","6","1") = "6"
    & skf21("1","6","3","7","1","5","7","1") = "6"
    & skf21("1","6","3","7","1","6","1","1") = "6"
    & skf21("1","6","3","7","1","6","2","1") = "6"
    & skf21("1","6","3","7","1","6","3","1") = "6"
    & skf21("1","6","3","7","1","6","4","1") = "6"
    & skf21("1","6","3","7","1","6","5","1") = "6"
    & skf21("1","6","3","7","1","6","6","1") = "6"
    & skf21("1","6","3","7","1","6","7","1") = "6"
    & skf21("1","6","3","7","1","7","1","1") = "6"
    & skf21("1","6","3","7","1","7","2","1") = "6"
    & skf21("1","6","3","7","1","7","3","1") = "6"
    & skf21("1","6","3","7","1","7","4","1") = "6"
    & skf21("1","6","3","7","1","7","5","1") = "6"
    & skf21("1","6","3","7","1","7","6","1") = "6"
    & skf21("1","6","3","7","1","7","7","1") = "6"
    & skf21("1","6","3","7","2","1","1","1") = "6"
    & skf21("1","6","3","7","2","1","2","1") = "6"
    & skf21("1","6","3","7","2","1","3","1") = "6"
    & skf21("1","6","3","7","2","1","4","1") = "6"
    & skf21("1","6","3","7","2","1","5","1") = "6"
    & skf21("1","6","3","7","2","1","6","1") = "6"
    & skf21("1","6","3","7","2","1","7","1") = "6"
    & skf21("1","6","3","7","2","2","1","1") = "6"
    & skf21("1","6","3","7","2","2","2","1") = "6"
    & skf21("1","6","3","7","2","2","3","1") = "6"
    & skf21("1","6","3","7","2","2","4","1") = "6"
    & skf21("1","6","3","7","2","2","5","1") = "6"
    & skf21("1","6","3","7","2","2","6","1") = "6"
    & skf21("1","6","3","7","2","2","7","1") = "6"
    & skf21("1","6","3","7","2","3","1","1") = "6"
    & skf21("1","6","3","7","2","3","2","1") = "6"
    & skf21("1","6","3","7","2","3","3","1") = "6"
    & skf21("1","6","3","7","2","3","4","1") = "6"
    & skf21("1","6","3","7","2","3","5","1") = "6"
    & skf21("1","6","3","7","2","3","6","1") = "6"
    & skf21("1","6","3","7","2","3","7","1") = "6"
    & skf21("1","6","3","7","2","4","1","1") = "6"
    & skf21("1","6","3","7","2","4","2","1") = "6"
    & skf21("1","6","3","7","2","4","3","1") = "6"
    & skf21("1","6","3","7","2","4","4","1") = "6"
    & skf21("1","6","3","7","2","4","5","1") = "6"
    & skf21("1","6","3","7","2","4","6","1") = "6"
    & skf21("1","6","3","7","2","4","7","1") = "6"
    & skf21("1","6","3","7","2","5","1","1") = "6"
    & skf21("1","6","3","7","2","5","2","1") = "6"
    & skf21("1","6","3","7","2","5","3","1") = "6"
    & skf21("1","6","3","7","2","5","4","1") = "6"
    & skf21("1","6","3","7","2","5","5","1") = "6"
    & skf21("1","6","3","7","2","5","6","1") = "6"
    & skf21("1","6","3","7","2","5","7","1") = "6"
    & skf21("1","6","3","7","2","6","1","1") = "6"
    & skf21("1","6","3","7","2","6","2","1") = "6"
    & skf21("1","6","3","7","2","6","3","1") = "6"
    & skf21("1","6","3","7","2","6","4","1") = "6"
    & skf21("1","6","3","7","2","6","5","1") = "6"
    & skf21("1","6","3","7","2","6","6","1") = "6"
    & skf21("1","6","3","7","2","6","7","1") = "6"
    & skf21("1","6","3","7","2","7","1","1") = "6"
    & skf21("1","6","3","7","2","7","2","1") = "6"
    & skf21("1","6","3","7","2","7","3","1") = "6"
    & skf21("1","6","3","7","2","7","4","1") = "6"
    & skf21("1","6","3","7","2","7","5","1") = "6"
    & skf21("1","6","3","7","2","7","6","1") = "6"
    & skf21("1","6","3","7","2","7","7","1") = "6"
    & skf21("1","6","3","7","3","1","1","1") = "6"
    & skf21("1","6","3","7","3","1","2","1") = "6"
    & skf21("1","6","3","7","3","1","3","1") = "6"
    & skf21("1","6","3","7","3","1","4","1") = "6"
    & skf21("1","6","3","7","3","1","5","1") = "6"
    & skf21("1","6","3","7","3","1","6","1") = "6"
    & skf21("1","6","3","7","3","1","7","1") = "6"
    & skf21("1","6","3","7","3","2","1","1") = "6"
    & skf21("1","6","3","7","3","2","2","1") = "6"
    & skf21("1","6","3","7","3","2","3","1") = "6"
    & skf21("1","6","3","7","3","2","4","1") = "6"
    & skf21("1","6","3","7","3","2","5","1") = "6"
    & skf21("1","6","3","7","3","2","6","1") = "6"
    & skf21("1","6","3","7","3","2","7","1") = "6"
    & skf21("1","6","3","7","3","3","1","1") = "6"
    & skf21("1","6","3","7","3","3","2","1") = "6"
    & skf21("1","6","3","7","3","3","3","1") = "6"
    & skf21("1","6","3","7","3","3","4","1") = "6"
    & skf21("1","6","3","7","3","3","5","1") = "6"
    & skf21("1","6","3","7","3","3","6","1") = "6"
    & skf21("1","6","3","7","3","3","7","1") = "6"
    & skf21("1","6","3","7","3","4","1","1") = "6"
    & skf21("1","6","3","7","3","4","2","1") = "6"
    & skf21("1","6","3","7","3","4","3","1") = "6"
    & skf21("1","6","3","7","3","4","4","1") = "6"
    & skf21("1","6","3","7","3","4","5","1") = "6"
    & skf21("1","6","3","7","3","4","6","1") = "6"
    & skf21("1","6","3","7","3","4","7","1") = "6"
    & skf21("1","6","3","7","3","5","1","1") = "6"
    & skf21("1","6","3","7","3","5","2","1") = "6"
    & skf21("1","6","3","7","3","5","3","1") = "6"
    & skf21("1","6","3","7","3","5","4","1") = "6"
    & skf21("1","6","3","7","3","5","5","1") = "6"
    & skf21("1","6","3","7","3","5","6","1") = "6"
    & skf21("1","6","3","7","3","5","7","1") = "6"
    & skf21("1","6","3","7","3","6","1","1") = "6"
    & skf21("1","6","3","7","3","6","2","1") = "6"
    & skf21("1","6","3","7","3","6","3","1") = "6"
    & skf21("1","6","3","7","3","6","4","1") = "6"
    & skf21("1","6","3","7","3","6","5","1") = "6"
    & skf21("1","6","3","7","3","6","6","1") = "6"
    & skf21("1","6","3","7","3","6","7","1") = "6"
    & skf21("1","6","3","7","3","7","1","1") = "6"
    & skf21("1","6","3","7","3","7","2","1") = "6"
    & skf21("1","6","3","7","3","7","3","1") = "6"
    & skf21("1","6","3","7","3","7","4","1") = "6"
    & skf21("1","6","3","7","3","7","5","1") = "6"
    & skf21("1","6","3","7","3","7","6","1") = "6"
    & skf21("1","6","3","7","3","7","7","1") = "6"
    & skf21("1","6","3","7","4","1","1","1") = "6"
    & skf21("1","6","3","7","4","1","2","1") = "6"
    & skf21("1","6","3","7","4","1","3","1") = "6"
    & skf21("1","6","3","7","4","1","4","1") = "6"
    & skf21("1","6","3","7","4","1","5","1") = "6"
    & skf21("1","6","3","7","4","1","6","1") = "6"
    & skf21("1","6","3","7","4","1","7","1") = "6"
    & skf21("1","6","3","7","4","2","1","1") = "6"
    & skf21("1","6","3","7","4","2","2","1") = "6"
    & skf21("1","6","3","7","4","2","3","1") = "6"
    & skf21("1","6","3","7","4","2","4","1") = "6"
    & skf21("1","6","3","7","4","2","5","1") = "6"
    & skf21("1","6","3","7","4","2","6","1") = "6"
    & skf21("1","6","3","7","4","2","7","1") = "6"
    & skf21("1","6","3","7","4","3","1","1") = "6"
    & skf21("1","6","3","7","4","3","2","1") = "6"
    & skf21("1","6","3","7","4","3","3","1") = "6"
    & skf21("1","6","3","7","4","3","4","1") = "6"
    & skf21("1","6","3","7","4","3","5","1") = "6"
    & skf21("1","6","3","7","4","3","6","1") = "6"
    & skf21("1","6","3","7","4","3","7","1") = "6"
    & skf21("1","6","3","7","4","4","1","1") = "6"
    & skf21("1","6","3","7","4","4","2","1") = "6"
    & skf21("1","6","3","7","4","4","3","1") = "6"
    & skf21("1","6","3","7","4","4","4","1") = "6"
    & skf21("1","6","3","7","4","4","5","1") = "6"
    & skf21("1","6","3","7","4","4","6","1") = "6"
    & skf21("1","6","3","7","4","4","7","1") = "6"
    & skf21("1","6","3","7","4","5","1","1") = "6"
    & skf21("1","6","3","7","4","5","2","1") = "6"
    & skf21("1","6","3","7","4","5","3","1") = "6"
    & skf21("1","6","3","7","4","5","4","1") = "6"
    & skf21("1","6","3","7","4","5","5","1") = "6"
    & skf21("1","6","3","7","4","5","6","1") = "6"
    & skf21("1","6","3","7","4","5","7","1") = "6"
    & skf21("1","6","3","7","4","6","1","1") = "6"
    & skf21("1","6","3","7","4","6","2","1") = "6"
    & skf21("1","6","3","7","4","6","3","1") = "6"
    & skf21("1","6","3","7","4","6","4","1") = "6"
    & skf21("1","6","3","7","4","6","5","1") = "6"
    & skf21("1","6","3","7","4","6","6","1") = "6"
    & skf21("1","6","3","7","4","6","7","1") = "6"
    & skf21("1","6","3","7","4","7","1","1") = "6"
    & skf21("1","6","3","7","4","7","2","1") = "6"
    & skf21("1","6","3","7","4","7","3","1") = "6"
    & skf21("1","6","3","7","4","7","4","1") = "6"
    & skf21("1","6","3","7","4","7","5","1") = "6"
    & skf21("1","6","3","7","4","7","6","1") = "6"
    & skf21("1","6","3","7","4","7","7","1") = "6"
    & skf21("1","6","3","7","5","1","1","1") = "6"
    & skf21("1","6","3","7","5","1","2","1") = "6"
    & skf21("1","6","3","7","5","1","3","1") = "6"
    & skf21("1","6","3","7","5","1","4","1") = "6"
    & skf21("1","6","3","7","5","1","5","1") = "6"
    & skf21("1","6","3","7","5","1","6","1") = "6"
    & skf21("1","6","3","7","5","1","7","1") = "6"
    & skf21("1","6","3","7","5","2","1","1") = "6"
    & skf21("1","6","3","7","5","2","2","1") = "6"
    & skf21("1","6","3","7","5","2","3","1") = "6"
    & skf21("1","6","3","7","5","2","4","1") = "6"
    & skf21("1","6","3","7","5","2","5","1") = "6"
    & skf21("1","6","3","7","5","2","6","1") = "6"
    & skf21("1","6","3","7","5","2","7","1") = "6"
    & skf21("1","6","3","7","5","3","1","1") = "6"
    & skf21("1","6","3","7","5","3","2","1") = "6"
    & skf21("1","6","3","7","5","3","3","1") = "6"
    & skf21("1","6","3","7","5","3","4","1") = "6"
    & skf21("1","6","3","7","5","3","5","1") = "6"
    & skf21("1","6","3","7","5","3","6","1") = "6"
    & skf21("1","6","3","7","5","3","7","1") = "6"
    & skf21("1","6","3","7","5","4","1","1") = "6"
    & skf21("1","6","3","7","5","4","2","1") = "6"
    & skf21("1","6","3","7","5","4","3","1") = "6"
    & skf21("1","6","3","7","5","4","4","1") = "6"
    & skf21("1","6","3","7","5","4","5","1") = "6"
    & skf21("1","6","3","7","5","4","6","1") = "6"
    & skf21("1","6","3","7","5","4","7","1") = "6"
    & skf21("1","6","3","7","5","5","1","1") = "6"
    & skf21("1","6","3","7","5","5","2","1") = "6"
    & skf21("1","6","3","7","5","5","3","1") = "6"
    & skf21("1","6","3","7","5","5","4","1") = "6"
    & skf21("1","6","3","7","5","5","5","1") = "6"
    & skf21("1","6","3","7","5","5","6","1") = "6"
    & skf21("1","6","3","7","5","5","7","1") = "6"
    & skf21("1","6","3","7","5","6","1","1") = "6"
    & skf21("1","6","3","7","5","6","2","1") = "6"
    & skf21("1","6","3","7","5","6","3","1") = "6"
    & skf21("1","6","3","7","5","6","4","1") = "6"
    & skf21("1","6","3","7","5","6","5","1") = "6"
    & skf21("1","6","3","7","5","6","6","1") = "6"
    & skf21("1","6","3","7","5","6","7","1") = "6"
    & skf21("1","6","3","7","5","7","1","1") = "6"
    & skf21("1","6","3","7","5","7","2","1") = "6"
    & skf21("1","6","3","7","5","7","3","1") = "6"
    & skf21("1","6","3","7","5","7","4","1") = "6"
    & skf21("1","6","3","7","5","7","5","1") = "6"
    & skf21("1","6","3","7","5","7","6","1") = "6"
    & skf21("1","6","3","7","5","7","7","1") = "6"
    & skf21("1","6","3","7","6","1","1","1") = "6"
    & skf21("1","6","3","7","6","1","2","1") = "6"
    & skf21("1","6","3","7","6","1","3","1") = "6"
    & skf21("1","6","3","7","6","1","4","1") = "6"
    & skf21("1","6","3","7","6","1","5","1") = "6"
    & skf21("1","6","3","7","6","1","6","1") = "6"
    & skf21("1","6","3","7","6","1","7","1") = "6"
    & skf21("1","6","3","7","6","2","1","1") = "6"
    & skf21("1","6","3","7","6","2","2","1") = "6"
    & skf21("1","6","3","7","6","2","3","1") = "6"
    & skf21("1","6","3","7","6","2","4","1") = "6"
    & skf21("1","6","3","7","6","2","5","1") = "6"
    & skf21("1","6","3","7","6","2","6","1") = "6"
    & skf21("1","6","3","7","6","2","7","1") = "6"
    & skf21("1","6","3","7","6","3","1","1") = "6"
    & skf21("1","6","3","7","6","3","2","1") = "6"
    & skf21("1","6","3","7","6","3","3","1") = "6"
    & skf21("1","6","3","7","6","3","4","1") = "6"
    & skf21("1","6","3","7","6","3","5","1") = "6"
    & skf21("1","6","3","7","6","3","6","1") = "6"
    & skf21("1","6","3","7","6","3","7","1") = "6"
    & skf21("1","6","3","7","6","4","1","1") = "6"
    & skf21("1","6","3","7","6","4","2","1") = "6"
    & skf21("1","6","3","7","6","4","3","1") = "6"
    & skf21("1","6","3","7","6","4","4","1") = "6"
    & skf21("1","6","3","7","6","4","5","1") = "6"
    & skf21("1","6","3","7","6","4","6","1") = "6"
    & skf21("1","6","3","7","6","4","7","1") = "6"
    & skf21("1","6","3","7","6","5","1","1") = "6"
    & skf21("1","6","3","7","6","5","2","1") = "6"
    & skf21("1","6","3","7","6","5","3","1") = "6"
    & skf21("1","6","3","7","6","5","4","1") = "6"
    & skf21("1","6","3","7","6","5","5","1") = "6"
    & skf21("1","6","3","7","6","5","6","1") = "6"
    & skf21("1","6","3","7","6","5","7","1") = "6"
    & skf21("1","6","3","7","6","6","1","1") = "6"
    & skf21("1","6","3","7","6","6","2","1") = "6"
    & skf21("1","6","3","7","6","6","3","1") = "6"
    & skf21("1","6","3","7","6","6","4","1") = "6"
    & skf21("1","6","3","7","6","6","5","1") = "6"
    & skf21("1","6","3","7","6","6","6","1") = "6"
    & skf21("1","6","3","7","6","6","7","1") = "6"
    & skf21("1","6","3","7","6","7","1","1") = "6"
    & skf21("1","6","3","7","6","7","2","1") = "6"
    & skf21("1","6","3","7","6","7","3","1") = "6"
    & skf21("1","6","3","7","6","7","4","1") = "6"
    & skf21("1","6","3","7","6","7","5","1") = "6"
    & skf21("1","6","3","7","6","7","6","1") = "6"
    & skf21("1","6","3","7","6","7","7","1") = "6"
    & skf21("1","6","3","7","7","1","1","1") = "6"
    & skf21("1","6","3","7","7","1","2","1") = "6"
    & skf21("1","6","3","7","7","1","3","1") = "6"
    & skf21("1","6","3","7","7","1","4","1") = "6"
    & skf21("1","6","3","7","7","1","5","1") = "6"
    & skf21("1","6","3","7","7","1","6","1") = "6"
    & skf21("1","6","3","7","7","1","7","1") = "6"
    & skf21("1","6","3","7","7","2","1","1") = "6"
    & skf21("1","6","3","7","7","2","2","1") = "6"
    & skf21("1","6","3","7","7","2","3","1") = "6"
    & skf21("1","6","3","7","7","2","4","1") = "6"
    & skf21("1","6","3","7","7","2","5","1") = "6"
    & skf21("1","6","3","7","7","2","6","1") = "6"
    & skf21("1","6","3","7","7","2","7","1") = "6"
    & skf21("1","6","3","7","7","3","1","1") = "6"
    & skf21("1","6","3","7","7","3","2","1") = "6"
    & skf21("1","6","3","7","7","3","3","1") = "6"
    & skf21("1","6","3","7","7","3","4","1") = "6"
    & skf21("1","6","3","7","7","3","5","1") = "6"
    & skf21("1","6","3","7","7","3","6","1") = "6"
    & skf21("1","6","3","7","7","3","7","1") = "6"
    & skf21("1","6","3","7","7","4","1","1") = "6"
    & skf21("1","6","3","7","7","4","2","1") = "6"
    & skf21("1","6","3","7","7","4","3","1") = "6"
    & skf21("1","6","3","7","7","4","4","1") = "6"
    & skf21("1","6","3","7","7","4","5","1") = "6"
    & skf21("1","6","3","7","7","4","6","1") = "6"
    & skf21("1","6","3","7","7","4","7","1") = "6"
    & skf21("1","6","3","7","7","5","1","1") = "6"
    & skf21("1","6","3","7","7","5","2","1") = "6"
    & skf21("1","6","3","7","7","5","3","1") = "6"
    & skf21("1","6","3","7","7","5","4","1") = "6"
    & skf21("1","6","3","7","7","5","5","1") = "6"
    & skf21("1","6","3","7","7","5","6","1") = "6"
    & skf21("1","6","3","7","7","5","7","1") = "6"
    & skf21("1","6","3","7","7","6","1","1") = "6"
    & skf21("1","6","3","7","7","6","2","1") = "6"
    & skf21("1","6","3","7","7","6","3","1") = "6"
    & skf21("1","6","3","7","7","6","4","1") = "6"
    & skf21("1","6","3","7","7","6","5","1") = "6"
    & skf21("1","6","3","7","7","6","6","1") = "6"
    & skf21("1","6","3","7","7","6","7","1") = "6"
    & skf21("1","6","3","7","7","7","1","1") = "6"
    & skf21("1","6","3","7","7","7","2","1") = "6"
    & skf21("1","6","3","7","7","7","3","1") = "6"
    & skf21("1","6","3","7","7","7","4","1") = "6"
    & skf21("1","6","3","7","7","7","5","1") = "6"
    & skf21("1","6","3","7","7","7","6","1") = "6"
    & skf21("1","6","3","7","7","7","7","1") = "6"
    & skf21("1","6","4","1","1","1","1","1") = "5"
    & skf21("1","6","4","1","1","1","2","1") = "5"
    & skf21("1","6","4","1","1","1","3","1") = "5"
    & skf21("1","6","4","1","1","1","4","1") = "5"
    & skf21("1","6","4","1","1","1","5","1") = "5"
    & skf21("1","6","4","1","1","1","6","1") = "5"
    & skf21("1","6","4","1","1","1","7","1") = "6"
    & skf21("1","6","4","1","1","2","1","1") = "5"
    & skf21("1","6","4","1","1","2","2","1") = "5"
    & skf21("1","6","4","1","1","2","3","1") = "5"
    & skf21("1","6","4","1","1","2","4","1") = "5"
    & skf21("1","6","4","1","1","2","5","1") = "5"
    & skf21("1","6","4","1","1","2","6","1") = "5"
    & skf21("1","6","4","1","1","2","7","1") = "6"
    & skf21("1","6","4","1","1","3","1","1") = "5"
    & skf21("1","6","4","1","1","3","2","1") = "5"
    & skf21("1","6","4","1","1","3","3","1") = "5"
    & skf21("1","6","4","1","1","3","4","1") = "5"
    & skf21("1","6","4","1","1","3","5","1") = "5"
    & skf21("1","6","4","1","1","3","6","1") = "5"
    & skf21("1","6","4","1","1","3","7","1") = "6"
    & skf21("1","6","4","1","1","4","1","1") = "5"
    & skf21("1","6","4","1","1","4","2","1") = "5"
    & skf21("1","6","4","1","1","4","3","1") = "5"
    & skf21("1","6","4","1","1","4","4","1") = "5"
    & skf21("1","6","4","1","1","4","5","1") = "5"
    & skf21("1","6","4","1","1","4","6","1") = "5"
    & skf21("1","6","4","1","1","4","7","1") = "6"
    & skf21("1","6","4","1","1","5","1","1") = "5"
    & skf21("1","6","4","1","1","5","2","1") = "5"
    & skf21("1","6","4","1","1","5","3","1") = "5"
    & skf21("1","6","4","1","1","5","4","1") = "5"
    & skf21("1","6","4","1","1","5","5","1") = "5"
    & skf21("1","6","4","1","1","5","6","1") = "5"
    & skf21("1","6","4","1","1","5","7","1") = "6"
    & skf21("1","6","4","1","1","6","1","1") = "5"
    & skf21("1","6","4","1","1","6","2","1") = "5"
    & skf21("1","6","4","1","1","6","3","1") = "5"
    & skf21("1","6","4","1","1","6","4","1") = "5"
    & skf21("1","6","4","1","1","6","5","1") = "5"
    & skf21("1","6","4","1","1","6","6","1") = "5"
    & skf21("1","6","4","1","1","6","7","1") = "6"
    & skf21("1","6","4","1","1","7","1","1") = "6"
    & skf21("1","6","4","1","1","7","2","1") = "6"
    & skf21("1","6","4","1","1","7","3","1") = "6"
    & skf21("1","6","4","1","1","7","4","1") = "6"
    & skf21("1","6","4","1","1","7","5","1") = "6"
    & skf21("1","6","4","1","1","7","6","1") = "6"
    & skf21("1","6","4","1","1","7","7","1") = "6"
    & skf21("1","6","4","1","2","1","1","1") = "5"
    & skf21("1","6","4","1","2","1","2","1") = "5"
    & skf21("1","6","4","1","2","1","3","1") = "5"
    & skf21("1","6","4","1","2","1","4","1") = "5"
    & skf21("1","6","4","1","2","1","5","1") = "5"
    & skf21("1","6","4","1","2","1","6","1") = "5"
    & skf21("1","6","4","1","2","1","7","1") = "6"
    & skf21("1","6","4","1","2","2","1","1") = "5"
    & skf21("1","6","4","1","2","2","2","1") = "5"
    & skf21("1","6","4","1","2","2","3","1") = "5"
    & skf21("1","6","4","1","2","2","4","1") = "5"
    & skf21("1","6","4","1","2","2","5","1") = "5"
    & skf21("1","6","4","1","2","2","6","1") = "5"
    & skf21("1","6","4","1","2","2","7","1") = "6"
    & skf21("1","6","4","1","2","3","1","1") = "5"
    & skf21("1","6","4","1","2","3","2","1") = "5"
    & skf21("1","6","4","1","2","3","3","1") = "5"
    & skf21("1","6","4","1","2","3","4","1") = "5"
    & skf21("1","6","4","1","2","3","5","1") = "5"
    & skf21("1","6","4","1","2","3","6","1") = "5"
    & skf21("1","6","4","1","2","3","7","1") = "6"
    & skf21("1","6","4","1","2","4","1","1") = "5"
    & skf21("1","6","4","1","2","4","2","1") = "5"
    & skf21("1","6","4","1","2","4","3","1") = "5"
    & skf21("1","6","4","1","2","4","4","1") = "5"
    & skf21("1","6","4","1","2","4","5","1") = "5"
    & skf21("1","6","4","1","2","4","6","1") = "5"
    & skf21("1","6","4","1","2","4","7","1") = "6"
    & skf21("1","6","4","1","2","5","1","1") = "5"
    & skf21("1","6","4","1","2","5","2","1") = "5"
    & skf21("1","6","4","1","2","5","3","1") = "5"
    & skf21("1","6","4","1","2","5","4","1") = "5"
    & skf21("1","6","4","1","2","5","5","1") = "5"
    & skf21("1","6","4","1","2","5","6","1") = "5"
    & skf21("1","6","4","1","2","5","7","1") = "6"
    & skf21("1","6","4","1","2","6","1","1") = "5"
    & skf21("1","6","4","1","2","6","2","1") = "5"
    & skf21("1","6","4","1","2","6","3","1") = "5"
    & skf21("1","6","4","1","2","6","4","1") = "5"
    & skf21("1","6","4","1","2","6","5","1") = "5"
    & skf21("1","6","4","1","2","6","6","1") = "5"
    & skf21("1","6","4","1","2","6","7","1") = "6"
    & skf21("1","6","4","1","2","7","1","1") = "6"
    & skf21("1","6","4","1","2","7","2","1") = "6"
    & skf21("1","6","4","1","2","7","3","1") = "6"
    & skf21("1","6","4","1","2","7","4","1") = "6"
    & skf21("1","6","4","1","2","7","5","1") = "6"
    & skf21("1","6","4","1","2","7","6","1") = "6"
    & skf21("1","6","4","1","2","7","7","1") = "6"
    & skf21("1","6","4","1","3","1","1","1") = "5"
    & skf21("1","6","4","1","3","1","2","1") = "5"
    & skf21("1","6","4","1","3","1","3","1") = "5"
    & skf21("1","6","4","1","3","1","4","1") = "5"
    & skf21("1","6","4","1","3","1","5","1") = "5"
    & skf21("1","6","4","1","3","1","6","1") = "5"
    & skf21("1","6","4","1","3","1","7","1") = "6"
    & skf21("1","6","4","1","3","2","1","1") = "5"
    & skf21("1","6","4","1","3","2","2","1") = "5"
    & skf21("1","6","4","1","3","2","3","1") = "5"
    & skf21("1","6","4","1","3","2","4","1") = "5"
    & skf21("1","6","4","1","3","2","5","1") = "5"
    & skf21("1","6","4","1","3","2","6","1") = "5"
    & skf21("1","6","4","1","3","2","7","1") = "6"
    & skf21("1","6","4","1","3","3","1","1") = "5"
    & skf21("1","6","4","1","3","3","2","1") = "5"
    & skf21("1","6","4","1","3","3","3","1") = "5"
    & skf21("1","6","4","1","3","3","4","1") = "5"
    & skf21("1","6","4","1","3","3","5","1") = "5"
    & skf21("1","6","4","1","3","3","6","1") = "5"
    & skf21("1","6","4","1","3","3","7","1") = "6"
    & skf21("1","6","4","1","3","4","1","1") = "5"
    & skf21("1","6","4","1","3","4","2","1") = "5"
    & skf21("1","6","4","1","3","4","3","1") = "5"
    & skf21("1","6","4","1","3","4","4","1") = "5"
    & skf21("1","6","4","1","3","4","5","1") = "5"
    & skf21("1","6","4","1","3","4","6","1") = "5"
    & skf21("1","6","4","1","3","4","7","1") = "6"
    & skf21("1","6","4","1","3","5","1","1") = "5"
    & skf21("1","6","4","1","3","5","2","1") = "5"
    & skf21("1","6","4","1","3","5","3","1") = "5"
    & skf21("1","6","4","1","3","5","4","1") = "5"
    & skf21("1","6","4","1","3","5","5","1") = "5"
    & skf21("1","6","4","1","3","5","6","1") = "5"
    & skf21("1","6","4","1","3","5","7","1") = "6"
    & skf21("1","6","4","1","3","6","1","1") = "5"
    & skf21("1","6","4","1","3","6","2","1") = "5"
    & skf21("1","6","4","1","3","6","3","1") = "5"
    & skf21("1","6","4","1","3","6","4","1") = "5"
    & skf21("1","6","4","1","3","6","5","1") = "5"
    & skf21("1","6","4","1","3","6","6","1") = "5"
    & skf21("1","6","4","1","3","6","7","1") = "6"
    & skf21("1","6","4","1","3","7","1","1") = "6"
    & skf21("1","6","4","1","3","7","2","1") = "6"
    & skf21("1","6","4","1","3","7","3","1") = "6"
    & skf21("1","6","4","1","3","7","4","1") = "6"
    & skf21("1","6","4","1","3","7","5","1") = "6"
    & skf21("1","6","4","1","3","7","6","1") = "6"
    & skf21("1","6","4","1","3","7","7","1") = "6"
    & skf21("1","6","4","1","4","1","1","1") = "5"
    & skf21("1","6","4","1","4","1","2","1") = "5"
    & skf21("1","6","4","1","4","1","3","1") = "5"
    & skf21("1","6","4","1","4","1","4","1") = "5"
    & skf21("1","6","4","1","4","1","5","1") = "5"
    & skf21("1","6","4","1","4","1","6","1") = "5"
    & skf21("1","6","4","1","4","1","7","1") = "6"
    & skf21("1","6","4","1","4","2","1","1") = "5"
    & skf21("1","6","4","1","4","2","2","1") = "5"
    & skf21("1","6","4","1","4","2","3","1") = "5"
    & skf21("1","6","4","1","4","2","4","1") = "5"
    & skf21("1","6","4","1","4","2","5","1") = "5"
    & skf21("1","6","4","1","4","2","6","1") = "5"
    & skf21("1","6","4","1","4","2","7","1") = "6"
    & skf21("1","6","4","1","4","3","1","1") = "5"
    & skf21("1","6","4","1","4","3","2","1") = "5"
    & skf21("1","6","4","1","4","3","3","1") = "5"
    & skf21("1","6","4","1","4","3","4","1") = "5"
    & skf21("1","6","4","1","4","3","5","1") = "5"
    & skf21("1","6","4","1","4","3","6","1") = "5"
    & skf21("1","6","4","1","4","3","7","1") = "6"
    & skf21("1","6","4","1","4","4","1","1") = "5"
    & skf21("1","6","4","1","4","4","2","1") = "5"
    & skf21("1","6","4","1","4","4","3","1") = "5"
    & skf21("1","6","4","1","4","4","4","1") = "5"
    & skf21("1","6","4","1","4","4","5","1") = "5"
    & skf21("1","6","4","1","4","4","6","1") = "5"
    & skf21("1","6","4","1","4","4","7","1") = "6"
    & skf21("1","6","4","1","4","5","1","1") = "5"
    & skf21("1","6","4","1","4","5","2","1") = "5"
    & skf21("1","6","4","1","4","5","3","1") = "5"
    & skf21("1","6","4","1","4","5","4","1") = "5"
    & skf21("1","6","4","1","4","5","5","1") = "5"
    & skf21("1","6","4","1","4","5","6","1") = "5"
    & skf21("1","6","4","1","4","5","7","1") = "6"
    & skf21("1","6","4","1","4","6","1","1") = "5"
    & skf21("1","6","4","1","4","6","2","1") = "5"
    & skf21("1","6","4","1","4","6","3","1") = "5"
    & skf21("1","6","4","1","4","6","4","1") = "5"
    & skf21("1","6","4","1","4","6","5","1") = "5"
    & skf21("1","6","4","1","4","6","6","1") = "5"
    & skf21("1","6","4","1","4","6","7","1") = "6"
    & skf21("1","6","4","1","4","7","1","1") = "6"
    & skf21("1","6","4","1","4","7","2","1") = "6"
    & skf21("1","6","4","1","4","7","3","1") = "6"
    & skf21("1","6","4","1","4","7","4","1") = "6"
    & skf21("1","6","4","1","4","7","5","1") = "6"
    & skf21("1","6","4","1","4","7","6","1") = "6"
    & skf21("1","6","4","1","4","7","7","1") = "6"
    & skf21("1","6","4","1","5","1","1","1") = "5"
    & skf21("1","6","4","1","5","1","2","1") = "5"
    & skf21("1","6","4","1","5","1","3","1") = "5"
    & skf21("1","6","4","1","5","1","4","1") = "5"
    & skf21("1","6","4","1","5","1","5","1") = "5"
    & skf21("1","6","4","1","5","1","6","1") = "5"
    & skf21("1","6","4","1","5","1","7","1") = "6"
    & skf21("1","6","4","1","5","2","1","1") = "5"
    & skf21("1","6","4","1","5","2","2","1") = "5"
    & skf21("1","6","4","1","5","2","3","1") = "5"
    & skf21("1","6","4","1","5","2","4","1") = "5"
    & skf21("1","6","4","1","5","2","5","1") = "5"
    & skf21("1","6","4","1","5","2","6","1") = "5"
    & skf21("1","6","4","1","5","2","7","1") = "6"
    & skf21("1","6","4","1","5","3","1","1") = "5"
    & skf21("1","6","4","1","5","3","2","1") = "5"
    & skf21("1","6","4","1","5","3","3","1") = "5"
    & skf21("1","6","4","1","5","3","4","1") = "5"
    & skf21("1","6","4","1","5","3","5","1") = "5"
    & skf21("1","6","4","1","5","3","6","1") = "5"
    & skf21("1","6","4","1","5","3","7","1") = "6"
    & skf21("1","6","4","1","5","4","1","1") = "5"
    & skf21("1","6","4","1","5","4","2","1") = "5"
    & skf21("1","6","4","1","5","4","3","1") = "5"
    & skf21("1","6","4","1","5","4","4","1") = "5"
    & skf21("1","6","4","1","5","4","5","1") = "5"
    & skf21("1","6","4","1","5","4","6","1") = "5"
    & skf21("1","6","4","1","5","4","7","1") = "6"
    & skf21("1","6","4","1","5","5","1","1") = "5"
    & skf21("1","6","4","1","5","5","2","1") = "5"
    & skf21("1","6","4","1","5","5","3","1") = "5"
    & skf21("1","6","4","1","5","5","4","1") = "5"
    & skf21("1","6","4","1","5","5","5","1") = "5"
    & skf21("1","6","4","1","5","5","6","1") = "5"
    & skf21("1","6","4","1","5","5","7","1") = "6"
    & skf21("1","6","4","1","5","6","1","1") = "5"
    & skf21("1","6","4","1","5","6","2","1") = "5"
    & skf21("1","6","4","1","5","6","3","1") = "5"
    & skf21("1","6","4","1","5","6","4","1") = "5"
    & skf21("1","6","4","1","5","6","5","1") = "5"
    & skf21("1","6","4","1","5","6","6","1") = "5"
    & skf21("1","6","4","1","5","6","7","1") = "6"
    & skf21("1","6","4","1","5","7","1","1") = "6"
    & skf21("1","6","4","1","5","7","2","1") = "6"
    & skf21("1","6","4","1","5","7","3","1") = "6"
    & skf21("1","6","4","1","5","7","4","1") = "6"
    & skf21("1","6","4","1","5","7","5","1") = "6"
    & skf21("1","6","4","1","5","7","6","1") = "6"
    & skf21("1","6","4","1","5","7","7","1") = "6"
    & skf21("1","6","4","1","6","1","1","1") = "5"
    & skf21("1","6","4","1","6","1","2","1") = "5"
    & skf21("1","6","4","1","6","1","3","1") = "5"
    & skf21("1","6","4","1","6","1","4","1") = "5"
    & skf21("1","6","4","1","6","1","5","1") = "5"
    & skf21("1","6","4","1","6","1","6","1") = "5"
    & skf21("1","6","4","1","6","1","7","1") = "6"
    & skf21("1","6","4","1","6","2","1","1") = "5"
    & skf21("1","6","4","1","6","2","2","1") = "5"
    & skf21("1","6","4","1","6","2","3","1") = "5"
    & skf21("1","6","4","1","6","2","4","1") = "5"
    & skf21("1","6","4","1","6","2","5","1") = "5"
    & skf21("1","6","4","1","6","2","6","1") = "5"
    & skf21("1","6","4","1","6","2","7","1") = "6"
    & skf21("1","6","4","1","6","3","1","1") = "5"
    & skf21("1","6","4","1","6","3","2","1") = "5"
    & skf21("1","6","4","1","6","3","3","1") = "5"
    & skf21("1","6","4","1","6","3","4","1") = "5"
    & skf21("1","6","4","1","6","3","5","1") = "5"
    & skf21("1","6","4","1","6","3","6","1") = "5"
    & skf21("1","6","4","1","6","3","7","1") = "6"
    & skf21("1","6","4","1","6","4","1","1") = "5"
    & skf21("1","6","4","1","6","4","2","1") = "5"
    & skf21("1","6","4","1","6","4","3","1") = "5"
    & skf21("1","6","4","1","6","4","4","1") = "5"
    & skf21("1","6","4","1","6","4","5","1") = "5"
    & skf21("1","6","4","1","6","4","6","1") = "5"
    & skf21("1","6","4","1","6","4","7","1") = "6"
    & skf21("1","6","4","1","6","5","1","1") = "5"
    & skf21("1","6","4","1","6","5","2","1") = "5"
    & skf21("1","6","4","1","6","5","3","1") = "5"
    & skf21("1","6","4","1","6","5","4","1") = "5"
    & skf21("1","6","4","1","6","5","5","1") = "5"
    & skf21("1","6","4","1","6","5","6","1") = "5"
    & skf21("1","6","4","1","6","5","7","1") = "6"
    & skf21("1","6","4","1","6","6","1","1") = "5"
    & skf21("1","6","4","1","6","6","2","1") = "5"
    & skf21("1","6","4","1","6","6","3","1") = "5"
    & skf21("1","6","4","1","6","6","4","1") = "5"
    & skf21("1","6","4","1","6","6","5","1") = "5"
    & skf21("1","6","4","1","6","6","6","1") = "5"
    & skf21("1","6","4","1","6","6","7","1") = "6"
    & skf21("1","6","4","1","6","7","1","1") = "6"
    & skf21("1","6","4","1","6","7","2","1") = "6"
    & skf21("1","6","4","1","6","7","3","1") = "6"
    & skf21("1","6","4","1","6","7","4","1") = "6"
    & skf21("1","6","4","1","6","7","5","1") = "6"
    & skf21("1","6","4","1","6","7","6","1") = "6"
    & skf21("1","6","4","1","6","7","7","1") = "6"
    & skf21("1","6","4","1","7","1","1","1") = "6"
    & skf21("1","6","4","1","7","1","2","1") = "6"
    & skf21("1","6","4","1","7","1","3","1") = "6"
    & skf21("1","6","4","1","7","1","4","1") = "6"
    & skf21("1","6","4","1","7","1","5","1") = "6"
    & skf21("1","6","4","1","7","1","6","1") = "6"
    & skf21("1","6","4","1","7","1","7","1") = "6"
    & skf21("1","6","4","1","7","2","1","1") = "6"
    & skf21("1","6","4","1","7","2","2","1") = "6"
    & skf21("1","6","4","1","7","2","3","1") = "6"
    & skf21("1","6","4","1","7","2","4","1") = "6"
    & skf21("1","6","4","1","7","2","5","1") = "6"
    & skf21("1","6","4","1","7","2","6","1") = "6"
    & skf21("1","6","4","1","7","2","7","1") = "6"
    & skf21("1","6","4","1","7","3","1","1") = "6"
    & skf21("1","6","4","1","7","3","2","1") = "6"
    & skf21("1","6","4","1","7","3","3","1") = "6"
    & skf21("1","6","4","1","7","3","4","1") = "6"
    & skf21("1","6","4","1","7","3","5","1") = "6"
    & skf21("1","6","4","1","7","3","6","1") = "6"
    & skf21("1","6","4","1","7","3","7","1") = "6"
    & skf21("1","6","4","1","7","4","1","1") = "6"
    & skf21("1","6","4","1","7","4","2","1") = "6"
    & skf21("1","6","4","1","7","4","3","1") = "6"
    & skf21("1","6","4","1","7","4","4","1") = "6"
    & skf21("1","6","4","1","7","4","5","1") = "6"
    & skf21("1","6","4","1","7","4","6","1") = "6"
    & skf21("1","6","4","1","7","4","7","1") = "6"
    & skf21("1","6","4","1","7","5","1","1") = "6"
    & skf21("1","6","4","1","7","5","2","1") = "6"
    & skf21("1","6","4","1","7","5","3","1") = "6"
    & skf21("1","6","4","1","7","5","4","1") = "6"
    & skf21("1","6","4","1","7","5","5","1") = "6"
    & skf21("1","6","4","1","7","5","6","1") = "6"
    & skf21("1","6","4","1","7","5","7","1") = "6"
    & skf21("1","6","4","1","7","6","1","1") = "6"
    & skf21("1","6","4","1","7","6","2","1") = "6"
    & skf21("1","6","4","1","7","6","3","1") = "6"
    & skf21("1","6","4","1","7","6","4","1") = "6"
    & skf21("1","6","4","1","7","6","5","1") = "6"
    & skf21("1","6","4","1","7","6","6","1") = "6"
    & skf21("1","6","4","1","7","6","7","1") = "6"
    & skf21("1","6","4","1","7","7","1","1") = "6"
    & skf21("1","6","4","1","7","7","2","1") = "6"
    & skf21("1","6","4","1","7","7","3","1") = "6"
    & skf21("1","6","4","1","7","7","4","1") = "6"
    & skf21("1","6","4","1","7","7","5","1") = "6"
    & skf21("1","6","4","1","7","7","6","1") = "6"
    & skf21("1","6","4","1","7","7","7","1") = "6"
    & skf21("1","6","4","2","1","1","1","1") = "5"
    & skf21("1","6","4","2","1","1","2","1") = "5"
    & skf21("1","6","4","2","1","1","3","1") = "5"
    & skf21("1","6","4","2","1","1","4","1") = "5"
    & skf21("1","6","4","2","1","1","5","1") = "5"
    & skf21("1","6","4","2","1","1","6","1") = "5"
    & skf21("1","6","4","2","1","1","7","1") = "6"
    & skf21("1","6","4","2","1","2","1","1") = "5"
    & skf21("1","6","4","2","1","2","2","1") = "5"
    & skf21("1","6","4","2","1","2","3","1") = "5"
    & skf21("1","6","4","2","1","2","4","1") = "5"
    & skf21("1","6","4","2","1","2","5","1") = "5"
    & skf21("1","6","4","2","1","2","6","1") = "5"
    & skf21("1","6","4","2","1","2","7","1") = "6"
    & skf21("1","6","4","2","1","3","1","1") = "5"
    & skf21("1","6","4","2","1","3","2","1") = "5"
    & skf21("1","6","4","2","1","3","3","1") = "5"
    & skf21("1","6","4","2","1","3","4","1") = "5"
    & skf21("1","6","4","2","1","3","5","1") = "5"
    & skf21("1","6","4","2","1","3","6","1") = "5"
    & skf21("1","6","4","2","1","3","7","1") = "6"
    & skf21("1","6","4","2","1","4","1","1") = "5"
    & skf21("1","6","4","2","1","4","2","1") = "5"
    & skf21("1","6","4","2","1","4","3","1") = "5"
    & skf21("1","6","4","2","1","4","4","1") = "5"
    & skf21("1","6","4","2","1","4","5","1") = "5"
    & skf21("1","6","4","2","1","4","6","1") = "5"
    & skf21("1","6","4","2","1","4","7","1") = "6"
    & skf21("1","6","4","2","1","5","1","1") = "5"
    & skf21("1","6","4","2","1","5","2","1") = "5"
    & skf21("1","6","4","2","1","5","3","1") = "5"
    & skf21("1","6","4","2","1","5","4","1") = "5"
    & skf21("1","6","4","2","1","5","5","1") = "5"
    & skf21("1","6","4","2","1","5","6","1") = "5"
    & skf21("1","6","4","2","1","5","7","1") = "6"
    & skf21("1","6","4","2","1","6","1","1") = "5"
    & skf21("1","6","4","2","1","6","2","1") = "5"
    & skf21("1","6","4","2","1","6","3","1") = "5"
    & skf21("1","6","4","2","1","6","4","1") = "5"
    & skf21("1","6","4","2","1","6","5","1") = "5"
    & skf21("1","6","4","2","1","6","6","1") = "5"
    & skf21("1","6","4","2","1","6","7","1") = "6"
    & skf21("1","6","4","2","1","7","1","1") = "6"
    & skf21("1","6","4","2","1","7","2","1") = "6"
    & skf21("1","6","4","2","1","7","3","1") = "6"
    & skf21("1","6","4","2","1","7","4","1") = "6"
    & skf21("1","6","4","2","1","7","5","1") = "6"
    & skf21("1","6","4","2","1","7","6","1") = "6"
    & skf21("1","6","4","2","1","7","7","1") = "6"
    & skf21("1","6","4","2","2","1","1","1") = "5"
    & skf21("1","6","4","2","2","1","2","1") = "5"
    & skf21("1","6","4","2","2","1","3","1") = "5"
    & skf21("1","6","4","2","2","1","4","1") = "5"
    & skf21("1","6","4","2","2","1","5","1") = "5"
    & skf21("1","6","4","2","2","1","6","1") = "5"
    & skf21("1","6","4","2","2","1","7","1") = "6"
    & skf21("1","6","4","2","2","2","1","1") = "5"
    & skf21("1","6","4","2","2","2","2","1") = "5"
    & skf21("1","6","4","2","2","2","3","1") = "5"
    & skf21("1","6","4","2","2","2","4","1") = "5"
    & skf21("1","6","4","2","2","2","5","1") = "5"
    & skf21("1","6","4","2","2","2","6","1") = "5"
    & skf21("1","6","4","2","2","2","7","1") = "6"
    & skf21("1","6","4","2","2","3","1","1") = "5"
    & skf21("1","6","4","2","2","3","2","1") = "5"
    & skf21("1","6","4","2","2","3","3","1") = "5"
    & skf21("1","6","4","2","2","3","4","1") = "5"
    & skf21("1","6","4","2","2","3","5","1") = "5"
    & skf21("1","6","4","2","2","3","6","1") = "5"
    & skf21("1","6","4","2","2","3","7","1") = "6"
    & skf21("1","6","4","2","2","4","1","1") = "5"
    & skf21("1","6","4","2","2","4","2","1") = "5"
    & skf21("1","6","4","2","2","4","3","1") = "5"
    & skf21("1","6","4","2","2","4","4","1") = "5"
    & skf21("1","6","4","2","2","4","5","1") = "5"
    & skf21("1","6","4","2","2","4","6","1") = "5"
    & skf21("1","6","4","2","2","4","7","1") = "6"
    & skf21("1","6","4","2","2","5","1","1") = "5"
    & skf21("1","6","4","2","2","5","2","1") = "5"
    & skf21("1","6","4","2","2","5","3","1") = "5"
    & skf21("1","6","4","2","2","5","4","1") = "5"
    & skf21("1","6","4","2","2","5","5","1") = "5"
    & skf21("1","6","4","2","2","5","6","1") = "5"
    & skf21("1","6","4","2","2","5","7","1") = "6"
    & skf21("1","6","4","2","2","6","1","1") = "5"
    & skf21("1","6","4","2","2","6","2","1") = "5"
    & skf21("1","6","4","2","2","6","3","1") = "5"
    & skf21("1","6","4","2","2","6","4","1") = "5"
    & skf21("1","6","4","2","2","6","5","1") = "5"
    & skf21("1","6","4","2","2","6","6","1") = "5"
    & skf21("1","6","4","2","2","6","7","1") = "6"
    & skf21("1","6","4","2","2","7","1","1") = "6"
    & skf21("1","6","4","2","2","7","2","1") = "6"
    & skf21("1","6","4","2","2","7","3","1") = "6"
    & skf21("1","6","4","2","2","7","4","1") = "6"
    & skf21("1","6","4","2","2","7","5","1") = "6"
    & skf21("1","6","4","2","2","7","6","1") = "6"
    & skf21("1","6","4","2","2","7","7","1") = "6"
    & skf21("1","6","4","2","3","1","1","1") = "5"
    & skf21("1","6","4","2","3","1","2","1") = "5"
    & skf21("1","6","4","2","3","1","3","1") = "5"
    & skf21("1","6","4","2","3","1","4","1") = "5"
    & skf21("1","6","4","2","3","1","5","1") = "5"
    & skf21("1","6","4","2","3","1","6","1") = "5"
    & skf21("1","6","4","2","3","1","7","1") = "6"
    & skf21("1","6","4","2","3","2","1","1") = "5"
    & skf21("1","6","4","2","3","2","2","1") = "5"
    & skf21("1","6","4","2","3","2","3","1") = "5"
    & skf21("1","6","4","2","3","2","4","1") = "5"
    & skf21("1","6","4","2","3","2","5","1") = "5"
    & skf21("1","6","4","2","3","2","6","1") = "5"
    & skf21("1","6","4","2","3","2","7","1") = "6"
    & skf21("1","6","4","2","3","3","1","1") = "5"
    & skf21("1","6","4","2","3","3","2","1") = "5"
    & skf21("1","6","4","2","3","3","3","1") = "5"
    & skf21("1","6","4","2","3","3","4","1") = "5"
    & skf21("1","6","4","2","3","3","5","1") = "5"
    & skf21("1","6","4","2","3","3","6","1") = "5"
    & skf21("1","6","4","2","3","3","7","1") = "6"
    & skf21("1","6","4","2","3","4","1","1") = "5"
    & skf21("1","6","4","2","3","4","2","1") = "5"
    & skf21("1","6","4","2","3","4","3","1") = "5"
    & skf21("1","6","4","2","3","4","4","1") = "5"
    & skf21("1","6","4","2","3","4","5","1") = "5"
    & skf21("1","6","4","2","3","4","6","1") = "5"
    & skf21("1","6","4","2","3","4","7","1") = "6"
    & skf21("1","6","4","2","3","5","1","1") = "5"
    & skf21("1","6","4","2","3","5","2","1") = "5"
    & skf21("1","6","4","2","3","5","3","1") = "5"
    & skf21("1","6","4","2","3","5","4","1") = "5"
    & skf21("1","6","4","2","3","5","5","1") = "5"
    & skf21("1","6","4","2","3","5","6","1") = "5"
    & skf21("1","6","4","2","3","5","7","1") = "6"
    & skf21("1","6","4","2","3","6","1","1") = "5"
    & skf21("1","6","4","2","3","6","2","1") = "5"
    & skf21("1","6","4","2","3","6","3","1") = "5"
    & skf21("1","6","4","2","3","6","4","1") = "5"
    & skf21("1","6","4","2","3","6","5","1") = "5"
    & skf21("1","6","4","2","3","6","6","1") = "5"
    & skf21("1","6","4","2","3","6","7","1") = "6"
    & skf21("1","6","4","2","3","7","1","1") = "6"
    & skf21("1","6","4","2","3","7","2","1") = "6"
    & skf21("1","6","4","2","3","7","3","1") = "6"
    & skf21("1","6","4","2","3","7","4","1") = "6"
    & skf21("1","6","4","2","3","7","5","1") = "6"
    & skf21("1","6","4","2","3","7","6","1") = "6"
    & skf21("1","6","4","2","3","7","7","1") = "6"
    & skf21("1","6","4","2","4","1","1","1") = "5"
    & skf21("1","6","4","2","4","1","2","1") = "5"
    & skf21("1","6","4","2","4","1","3","1") = "5"
    & skf21("1","6","4","2","4","1","4","1") = "5"
    & skf21("1","6","4","2","4","1","5","1") = "5"
    & skf21("1","6","4","2","4","1","6","1") = "5"
    & skf21("1","6","4","2","4","1","7","1") = "6"
    & skf21("1","6","4","2","4","2","1","1") = "5"
    & skf21("1","6","4","2","4","2","2","1") = "5"
    & skf21("1","6","4","2","4","2","3","1") = "5"
    & skf21("1","6","4","2","4","2","4","1") = "5"
    & skf21("1","6","4","2","4","2","5","1") = "5"
    & skf21("1","6","4","2","4","2","6","1") = "5"
    & skf21("1","6","4","2","4","2","7","1") = "6"
    & skf21("1","6","4","2","4","3","1","1") = "5"
    & skf21("1","6","4","2","4","3","2","1") = "5"
    & skf21("1","6","4","2","4","3","3","1") = "5"
    & skf21("1","6","4","2","4","3","4","1") = "5"
    & skf21("1","6","4","2","4","3","5","1") = "5"
    & skf21("1","6","4","2","4","3","6","1") = "5"
    & skf21("1","6","4","2","4","3","7","1") = "6"
    & skf21("1","6","4","2","4","4","1","1") = "5"
    & skf21("1","6","4","2","4","4","2","1") = "5"
    & skf21("1","6","4","2","4","4","3","1") = "5"
    & skf21("1","6","4","2","4","4","4","1") = "5"
    & skf21("1","6","4","2","4","4","5","1") = "5"
    & skf21("1","6","4","2","4","4","6","1") = "5"
    & skf21("1","6","4","2","4","4","7","1") = "6"
    & skf21("1","6","4","2","4","5","1","1") = "5"
    & skf21("1","6","4","2","4","5","2","1") = "5"
    & skf21("1","6","4","2","4","5","3","1") = "5"
    & skf21("1","6","4","2","4","5","4","1") = "5"
    & skf21("1","6","4","2","4","5","5","1") = "5"
    & skf21("1","6","4","2","4","5","6","1") = "5"
    & skf21("1","6","4","2","4","5","7","1") = "6"
    & skf21("1","6","4","2","4","6","1","1") = "5"
    & skf21("1","6","4","2","4","6","2","1") = "5"
    & skf21("1","6","4","2","4","6","3","1") = "5"
    & skf21("1","6","4","2","4","6","4","1") = "5"
    & skf21("1","6","4","2","4","6","5","1") = "5"
    & skf21("1","6","4","2","4","6","6","1") = "5"
    & skf21("1","6","4","2","4","6","7","1") = "6"
    & skf21("1","6","4","2","4","7","1","1") = "6"
    & skf21("1","6","4","2","4","7","2","1") = "6"
    & skf21("1","6","4","2","4","7","3","1") = "6"
    & skf21("1","6","4","2","4","7","4","1") = "6"
    & skf21("1","6","4","2","4","7","5","1") = "6"
    & skf21("1","6","4","2","4","7","6","1") = "6"
    & skf21("1","6","4","2","4","7","7","1") = "6"
    & skf21("1","6","4","2","5","1","1","1") = "5"
    & skf21("1","6","4","2","5","1","2","1") = "5"
    & skf21("1","6","4","2","5","1","3","1") = "5"
    & skf21("1","6","4","2","5","1","4","1") = "5"
    & skf21("1","6","4","2","5","1","5","1") = "5"
    & skf21("1","6","4","2","5","1","6","1") = "5"
    & skf21("1","6","4","2","5","1","7","1") = "6"
    & skf21("1","6","4","2","5","2","1","1") = "5"
    & skf21("1","6","4","2","5","2","2","1") = "5"
    & skf21("1","6","4","2","5","2","3","1") = "5"
    & skf21("1","6","4","2","5","2","4","1") = "5"
    & skf21("1","6","4","2","5","2","5","1") = "5"
    & skf21("1","6","4","2","5","2","6","1") = "5"
    & skf21("1","6","4","2","5","2","7","1") = "6"
    & skf21("1","6","4","2","5","3","1","1") = "5"
    & skf21("1","6","4","2","5","3","2","1") = "5"
    & skf21("1","6","4","2","5","3","3","1") = "5"
    & skf21("1","6","4","2","5","3","4","1") = "5"
    & skf21("1","6","4","2","5","3","5","1") = "5"
    & skf21("1","6","4","2","5","3","6","1") = "5"
    & skf21("1","6","4","2","5","3","7","1") = "6"
    & skf21("1","6","4","2","5","4","1","1") = "5"
    & skf21("1","6","4","2","5","4","2","1") = "5"
    & skf21("1","6","4","2","5","4","3","1") = "5"
    & skf21("1","6","4","2","5","4","4","1") = "5"
    & skf21("1","6","4","2","5","4","5","1") = "5"
    & skf21("1","6","4","2","5","4","6","1") = "5"
    & skf21("1","6","4","2","5","4","7","1") = "6"
    & skf21("1","6","4","2","5","5","1","1") = "5"
    & skf21("1","6","4","2","5","5","2","1") = "5"
    & skf21("1","6","4","2","5","5","3","1") = "5"
    & skf21("1","6","4","2","5","5","4","1") = "5"
    & skf21("1","6","4","2","5","5","5","1") = "5"
    & skf21("1","6","4","2","5","5","6","1") = "5"
    & skf21("1","6","4","2","5","5","7","1") = "6"
    & skf21("1","6","4","2","5","6","1","1") = "5"
    & skf21("1","6","4","2","5","6","2","1") = "5"
    & skf21("1","6","4","2","5","6","3","1") = "5"
    & skf21("1","6","4","2","5","6","4","1") = "5"
    & skf21("1","6","4","2","5","6","5","1") = "5"
    & skf21("1","6","4","2","5","6","6","1") = "5"
    & skf21("1","6","4","2","5","6","7","1") = "6"
    & skf21("1","6","4","2","5","7","1","1") = "6"
    & skf21("1","6","4","2","5","7","2","1") = "6"
    & skf21("1","6","4","2","5","7","3","1") = "6"
    & skf21("1","6","4","2","5","7","4","1") = "6"
    & skf21("1","6","4","2","5","7","5","1") = "6"
    & skf21("1","6","4","2","5","7","6","1") = "6"
    & skf21("1","6","4","2","5","7","7","1") = "6"
    & skf21("1","6","4","2","6","1","1","1") = "5"
    & skf21("1","6","4","2","6","1","2","1") = "5"
    & skf21("1","6","4","2","6","1","3","1") = "5"
    & skf21("1","6","4","2","6","1","4","1") = "5"
    & skf21("1","6","4","2","6","1","5","1") = "5"
    & skf21("1","6","4","2","6","1","6","1") = "5"
    & skf21("1","6","4","2","6","1","7","1") = "6"
    & skf21("1","6","4","2","6","2","1","1") = "5"
    & skf21("1","6","4","2","6","2","2","1") = "5"
    & skf21("1","6","4","2","6","2","3","1") = "5"
    & skf21("1","6","4","2","6","2","4","1") = "5"
    & skf21("1","6","4","2","6","2","5","1") = "5"
    & skf21("1","6","4","2","6","2","6","1") = "5"
    & skf21("1","6","4","2","6","2","7","1") = "6"
    & skf21("1","6","4","2","6","3","1","1") = "5"
    & skf21("1","6","4","2","6","3","2","1") = "5"
    & skf21("1","6","4","2","6","3","3","1") = "5"
    & skf21("1","6","4","2","6","3","4","1") = "5"
    & skf21("1","6","4","2","6","3","5","1") = "5"
    & skf21("1","6","4","2","6","3","6","1") = "5"
    & skf21("1","6","4","2","6","3","7","1") = "6"
    & skf21("1","6","4","2","6","4","1","1") = "5"
    & skf21("1","6","4","2","6","4","2","1") = "5"
    & skf21("1","6","4","2","6","4","3","1") = "5"
    & skf21("1","6","4","2","6","4","4","1") = "5"
    & skf21("1","6","4","2","6","4","5","1") = "5"
    & skf21("1","6","4","2","6","4","6","1") = "5"
    & skf21("1","6","4","2","6","4","7","1") = "6"
    & skf21("1","6","4","2","6","5","1","1") = "5"
    & skf21("1","6","4","2","6","5","2","1") = "5"
    & skf21("1","6","4","2","6","5","3","1") = "5"
    & skf21("1","6","4","2","6","5","4","1") = "5"
    & skf21("1","6","4","2","6","5","5","1") = "5"
    & skf21("1","6","4","2","6","5","6","1") = "5"
    & skf21("1","6","4","2","6","5","7","1") = "6"
    & skf21("1","6","4","2","6","6","1","1") = "5"
    & skf21("1","6","4","2","6","6","2","1") = "5"
    & skf21("1","6","4","2","6","6","3","1") = "5"
    & skf21("1","6","4","2","6","6","4","1") = "5"
    & skf21("1","6","4","2","6","6","5","1") = "5"
    & skf21("1","6","4","2","6","6","6","1") = "5"
    & skf21("1","6","4","2","6","6","7","1") = "6"
    & skf21("1","6","4","2","6","7","1","1") = "6"
    & skf21("1","6","4","2","6","7","2","1") = "6"
    & skf21("1","6","4","2","6","7","3","1") = "6"
    & skf21("1","6","4","2","6","7","4","1") = "6"
    & skf21("1","6","4","2","6","7","5","1") = "6"
    & skf21("1","6","4","2","6","7","6","1") = "6"
    & skf21("1","6","4","2","6","7","7","1") = "6"
    & skf21("1","6","4","2","7","1","1","1") = "6"
    & skf21("1","6","4","2","7","1","2","1") = "6"
    & skf21("1","6","4","2","7","1","3","1") = "6"
    & skf21("1","6","4","2","7","1","4","1") = "6"
    & skf21("1","6","4","2","7","1","5","1") = "6"
    & skf21("1","6","4","2","7","1","6","1") = "6"
    & skf21("1","6","4","2","7","1","7","1") = "6"
    & skf21("1","6","4","2","7","2","1","1") = "6"
    & skf21("1","6","4","2","7","2","2","1") = "6"
    & skf21("1","6","4","2","7","2","3","1") = "6"
    & skf21("1","6","4","2","7","2","4","1") = "6"
    & skf21("1","6","4","2","7","2","5","1") = "6"
    & skf21("1","6","4","2","7","2","6","1") = "6"
    & skf21("1","6","4","2","7","2","7","1") = "6"
    & skf21("1","6","4","2","7","3","1","1") = "6"
    & skf21("1","6","4","2","7","3","2","1") = "6"
    & skf21("1","6","4","2","7","3","3","1") = "6"
    & skf21("1","6","4","2","7","3","4","1") = "6"
    & skf21("1","6","4","2","7","3","5","1") = "6"
    & skf21("1","6","4","2","7","3","6","1") = "6"
    & skf21("1","6","4","2","7","3","7","1") = "6"
    & skf21("1","6","4","2","7","4","1","1") = "6"
    & skf21("1","6","4","2","7","4","2","1") = "6"
    & skf21("1","6","4","2","7","4","3","1") = "6"
    & skf21("1","6","4","2","7","4","4","1") = "6"
    & skf21("1","6","4","2","7","4","5","1") = "6"
    & skf21("1","6","4","2","7","4","6","1") = "6"
    & skf21("1","6","4","2","7","4","7","1") = "6"
    & skf21("1","6","4","2","7","5","1","1") = "6"
    & skf21("1","6","4","2","7","5","2","1") = "6"
    & skf21("1","6","4","2","7","5","3","1") = "6"
    & skf21("1","6","4","2","7","5","4","1") = "6"
    & skf21("1","6","4","2","7","5","5","1") = "6"
    & skf21("1","6","4","2","7","5","6","1") = "6"
    & skf21("1","6","4","2","7","5","7","1") = "6"
    & skf21("1","6","4","2","7","6","1","1") = "6"
    & skf21("1","6","4","2","7","6","2","1") = "6"
    & skf21("1","6","4","2","7","6","3","1") = "6"
    & skf21("1","6","4","2","7","6","4","1") = "6"
    & skf21("1","6","4","2","7","6","5","1") = "6"
    & skf21("1","6","4","2","7","6","6","1") = "6"
    & skf21("1","6","4","2","7","6","7","1") = "6"
    & skf21("1","6","4","2","7","7","1","1") = "6"
    & skf21("1","6","4","2","7","7","2","1") = "6"
    & skf21("1","6","4","2","7","7","3","1") = "6"
    & skf21("1","6","4","2","7","7","4","1") = "6"
    & skf21("1","6","4","2","7","7","5","1") = "6"
    & skf21("1","6","4","2","7","7","6","1") = "6"
    & skf21("1","6","4","2","7","7","7","1") = "6"
    & skf21("1","6","4","3","1","1","1","1") = "5"
    & skf21("1","6","4","3","1","1","2","1") = "5"
    & skf21("1","6","4","3","1","1","3","1") = "5"
    & skf21("1","6","4","3","1","1","4","1") = "5"
    & skf21("1","6","4","3","1","1","5","1") = "5"
    & skf21("1","6","4","3","1","1","6","1") = "5"
    & skf21("1","6","4","3","1","1","7","1") = "6"
    & skf21("1","6","4","3","1","2","1","1") = "5"
    & skf21("1","6","4","3","1","2","2","1") = "5"
    & skf21("1","6","4","3","1","2","3","1") = "5"
    & skf21("1","6","4","3","1","2","4","1") = "5"
    & skf21("1","6","4","3","1","2","5","1") = "5"
    & skf21("1","6","4","3","1","2","6","1") = "5"
    & skf21("1","6","4","3","1","2","7","1") = "6"
    & skf21("1","6","4","3","1","3","1","1") = "5"
    & skf21("1","6","4","3","1","3","2","1") = "5"
    & skf21("1","6","4","3","1","3","3","1") = "5"
    & skf21("1","6","4","3","1","3","4","1") = "5"
    & skf21("1","6","4","3","1","3","5","1") = "5"
    & skf21("1","6","4","3","1","3","6","1") = "5"
    & skf21("1","6","4","3","1","3","7","1") = "6"
    & skf21("1","6","4","3","1","4","1","1") = "5"
    & skf21("1","6","4","3","1","4","2","1") = "5"
    & skf21("1","6","4","3","1","4","3","1") = "5"
    & skf21("1","6","4","3","1","4","4","1") = "5"
    & skf21("1","6","4","3","1","4","5","1") = "5"
    & skf21("1","6","4","3","1","4","6","1") = "5"
    & skf21("1","6","4","3","1","4","7","1") = "6"
    & skf21("1","6","4","3","1","5","1","1") = "5"
    & skf21("1","6","4","3","1","5","2","1") = "5"
    & skf21("1","6","4","3","1","5","3","1") = "5"
    & skf21("1","6","4","3","1","5","4","1") = "5"
    & skf21("1","6","4","3","1","5","5","1") = "5"
    & skf21("1","6","4","3","1","5","6","1") = "5"
    & skf21("1","6","4","3","1","5","7","1") = "6"
    & skf21("1","6","4","3","1","6","1","1") = "5"
    & skf21("1","6","4","3","1","6","2","1") = "5"
    & skf21("1","6","4","3","1","6","3","1") = "5"
    & skf21("1","6","4","3","1","6","4","1") = "5"
    & skf21("1","6","4","3","1","6","5","1") = "5"
    & skf21("1","6","4","3","1","6","6","1") = "5"
    & skf21("1","6","4","3","1","6","7","1") = "6"
    & skf21("1","6","4","3","1","7","1","1") = "6"
    & skf21("1","6","4","3","1","7","2","1") = "6"
    & skf21("1","6","4","3","1","7","3","1") = "6"
    & skf21("1","6","4","3","1","7","4","1") = "6"
    & skf21("1","6","4","3","1","7","5","1") = "6"
    & skf21("1","6","4","3","1","7","6","1") = "6"
    & skf21("1","6","4","3","1","7","7","1") = "6"
    & skf21("1","6","4","3","2","1","1","1") = "5"
    & skf21("1","6","4","3","2","1","2","1") = "5"
    & skf21("1","6","4","3","2","1","3","1") = "5"
    & skf21("1","6","4","3","2","1","4","1") = "5"
    & skf21("1","6","4","3","2","1","5","1") = "5"
    & skf21("1","6","4","3","2","1","6","1") = "5"
    & skf21("1","6","4","3","2","1","7","1") = "6"
    & skf21("1","6","4","3","2","2","1","1") = "5"
    & skf21("1","6","4","3","2","2","2","1") = "5"
    & skf21("1","6","4","3","2","2","3","1") = "5"
    & skf21("1","6","4","3","2","2","4","1") = "5"
    & skf21("1","6","4","3","2","2","5","1") = "5"
    & skf21("1","6","4","3","2","2","6","1") = "5"
    & skf21("1","6","4","3","2","2","7","1") = "6"
    & skf21("1","6","4","3","2","3","1","1") = "5"
    & skf21("1","6","4","3","2","3","2","1") = "5"
    & skf21("1","6","4","3","2","3","3","1") = "5"
    & skf21("1","6","4","3","2","3","4","1") = "5"
    & skf21("1","6","4","3","2","3","5","1") = "5"
    & skf21("1","6","4","3","2","3","6","1") = "5"
    & skf21("1","6","4","3","2","3","7","1") = "6"
    & skf21("1","6","4","3","2","4","1","1") = "5"
    & skf21("1","6","4","3","2","4","2","1") = "5"
    & skf21("1","6","4","3","2","4","3","1") = "5"
    & skf21("1","6","4","3","2","4","4","1") = "5"
    & skf21("1","6","4","3","2","4","5","1") = "5"
    & skf21("1","6","4","3","2","4","6","1") = "5"
    & skf21("1","6","4","3","2","4","7","1") = "6"
    & skf21("1","6","4","3","2","5","1","1") = "5"
    & skf21("1","6","4","3","2","5","2","1") = "5"
    & skf21("1","6","4","3","2","5","3","1") = "5"
    & skf21("1","6","4","3","2","5","4","1") = "5"
    & skf21("1","6","4","3","2","5","5","1") = "5"
    & skf21("1","6","4","3","2","5","6","1") = "5"
    & skf21("1","6","4","3","2","5","7","1") = "6"
    & skf21("1","6","4","3","2","6","1","1") = "5"
    & skf21("1","6","4","3","2","6","2","1") = "5"
    & skf21("1","6","4","3","2","6","3","1") = "5"
    & skf21("1","6","4","3","2","6","4","1") = "5"
    & skf21("1","6","4","3","2","6","5","1") = "5"
    & skf21("1","6","4","3","2","6","6","1") = "5"
    & skf21("1","6","4","3","2","6","7","1") = "6"
    & skf21("1","6","4","3","2","7","1","1") = "6"
    & skf21("1","6","4","3","2","7","2","1") = "6"
    & skf21("1","6","4","3","2","7","3","1") = "6"
    & skf21("1","6","4","3","2","7","4","1") = "6"
    & skf21("1","6","4","3","2","7","5","1") = "6"
    & skf21("1","6","4","3","2","7","6","1") = "6"
    & skf21("1","6","4","3","2","7","7","1") = "6"
    & skf21("1","6","4","3","3","1","1","1") = "5"
    & skf21("1","6","4","3","3","1","2","1") = "5"
    & skf21("1","6","4","3","3","1","3","1") = "5"
    & skf21("1","6","4","3","3","1","4","1") = "5"
    & skf21("1","6","4","3","3","1","5","1") = "5"
    & skf21("1","6","4","3","3","1","6","1") = "5"
    & skf21("1","6","4","3","3","1","7","1") = "6"
    & skf21("1","6","4","3","3","2","1","1") = "5"
    & skf21("1","6","4","3","3","2","2","1") = "5"
    & skf21("1","6","4","3","3","2","3","1") = "5"
    & skf21("1","6","4","3","3","2","4","1") = "5"
    & skf21("1","6","4","3","3","2","5","1") = "5"
    & skf21("1","6","4","3","3","2","6","1") = "5"
    & skf21("1","6","4","3","3","2","7","1") = "6"
    & skf21("1","6","4","3","3","3","1","1") = "5"
    & skf21("1","6","4","3","3","3","2","1") = "5"
    & skf21("1","6","4","3","3","3","3","1") = "5"
    & skf21("1","6","4","3","3","3","4","1") = "5"
    & skf21("1","6","4","3","3","3","5","1") = "5"
    & skf21("1","6","4","3","3","3","6","1") = "5"
    & skf21("1","6","4","3","3","3","7","1") = "6"
    & skf21("1","6","4","3","3","4","1","1") = "5"
    & skf21("1","6","4","3","3","4","2","1") = "5"
    & skf21("1","6","4","3","3","4","3","1") = "5"
    & skf21("1","6","4","3","3","4","4","1") = "5"
    & skf21("1","6","4","3","3","4","5","1") = "5"
    & skf21("1","6","4","3","3","4","6","1") = "5"
    & skf21("1","6","4","3","3","4","7","1") = "6"
    & skf21("1","6","4","3","3","5","1","1") = "5"
    & skf21("1","6","4","3","3","5","2","1") = "5"
    & skf21("1","6","4","3","3","5","3","1") = "5"
    & skf21("1","6","4","3","3","5","4","1") = "5"
    & skf21("1","6","4","3","3","5","5","1") = "5"
    & skf21("1","6","4","3","3","5","6","1") = "5"
    & skf21("1","6","4","3","3","5","7","1") = "6"
    & skf21("1","6","4","3","3","6","1","1") = "5"
    & skf21("1","6","4","3","3","6","2","1") = "5"
    & skf21("1","6","4","3","3","6","3","1") = "5"
    & skf21("1","6","4","3","3","6","4","1") = "5"
    & skf21("1","6","4","3","3","6","5","1") = "5"
    & skf21("1","6","4","3","3","6","6","1") = "5"
    & skf21("1","6","4","3","3","6","7","1") = "6"
    & skf21("1","6","4","3","3","7","1","1") = "6"
    & skf21("1","6","4","3","3","7","2","1") = "6"
    & skf21("1","6","4","3","3","7","3","1") = "6"
    & skf21("1","6","4","3","3","7","4","1") = "6"
    & skf21("1","6","4","3","3","7","5","1") = "6"
    & skf21("1","6","4","3","3","7","6","1") = "6"
    & skf21("1","6","4","3","3","7","7","1") = "6"
    & skf21("1","6","4","3","4","1","1","1") = "5"
    & skf21("1","6","4","3","4","1","2","1") = "5"
    & skf21("1","6","4","3","4","1","3","1") = "5"
    & skf21("1","6","4","3","4","1","4","1") = "5"
    & skf21("1","6","4","3","4","1","5","1") = "5"
    & skf21("1","6","4","3","4","1","6","1") = "5"
    & skf21("1","6","4","3","4","1","7","1") = "6"
    & skf21("1","6","4","3","4","2","1","1") = "5"
    & skf21("1","6","4","3","4","2","2","1") = "5"
    & skf21("1","6","4","3","4","2","3","1") = "5"
    & skf21("1","6","4","3","4","2","4","1") = "5"
    & skf21("1","6","4","3","4","2","5","1") = "5"
    & skf21("1","6","4","3","4","2","6","1") = "5"
    & skf21("1","6","4","3","4","2","7","1") = "6"
    & skf21("1","6","4","3","4","3","1","1") = "5"
    & skf21("1","6","4","3","4","3","2","1") = "5"
    & skf21("1","6","4","3","4","3","3","1") = "5"
    & skf21("1","6","4","3","4","3","4","1") = "5"
    & skf21("1","6","4","3","4","3","5","1") = "5"
    & skf21("1","6","4","3","4","3","6","1") = "5"
    & skf21("1","6","4","3","4","3","7","1") = "6"
    & skf21("1","6","4","3","4","4","1","1") = "5"
    & skf21("1","6","4","3","4","4","2","1") = "5"
    & skf21("1","6","4","3","4","4","3","1") = "5"
    & skf21("1","6","4","3","4","4","4","1") = "5"
    & skf21("1","6","4","3","4","4","5","1") = "5"
    & skf21("1","6","4","3","4","4","6","1") = "5"
    & skf21("1","6","4","3","4","4","7","1") = "6"
    & skf21("1","6","4","3","4","5","1","1") = "5"
    & skf21("1","6","4","3","4","5","2","1") = "5"
    & skf21("1","6","4","3","4","5","3","1") = "5"
    & skf21("1","6","4","3","4","5","4","1") = "5"
    & skf21("1","6","4","3","4","5","5","1") = "5"
    & skf21("1","6","4","3","4","5","6","1") = "5"
    & skf21("1","6","4","3","4","5","7","1") = "6"
    & skf21("1","6","4","3","4","6","1","1") = "5"
    & skf21("1","6","4","3","4","6","2","1") = "5"
    & skf21("1","6","4","3","4","6","3","1") = "5"
    & skf21("1","6","4","3","4","6","4","1") = "5"
    & skf21("1","6","4","3","4","6","5","1") = "5"
    & skf21("1","6","4","3","4","6","6","1") = "5"
    & skf21("1","6","4","3","4","6","7","1") = "6"
    & skf21("1","6","4","3","4","7","1","1") = "6"
    & skf21("1","6","4","3","4","7","2","1") = "6"
    & skf21("1","6","4","3","4","7","3","1") = "6"
    & skf21("1","6","4","3","4","7","4","1") = "6"
    & skf21("1","6","4","3","4","7","5","1") = "6"
    & skf21("1","6","4","3","4","7","6","1") = "6"
    & skf21("1","6","4","3","4","7","7","1") = "6"
    & skf21("1","6","4","3","5","1","1","1") = "5"
    & skf21("1","6","4","3","5","1","2","1") = "5"
    & skf21("1","6","4","3","5","1","3","1") = "5"
    & skf21("1","6","4","3","5","1","4","1") = "5"
    & skf21("1","6","4","3","5","1","5","1") = "5"
    & skf21("1","6","4","3","5","1","6","1") = "5"
    & skf21("1","6","4","3","5","1","7","1") = "6"
    & skf21("1","6","4","3","5","2","1","1") = "5"
    & skf21("1","6","4","3","5","2","2","1") = "5"
    & skf21("1","6","4","3","5","2","3","1") = "5"
    & skf21("1","6","4","3","5","2","4","1") = "5"
    & skf21("1","6","4","3","5","2","5","1") = "5"
    & skf21("1","6","4","3","5","2","6","1") = "5"
    & skf21("1","6","4","3","5","2","7","1") = "6"
    & skf21("1","6","4","3","5","3","1","1") = "5"
    & skf21("1","6","4","3","5","3","2","1") = "5"
    & skf21("1","6","4","3","5","3","3","1") = "5"
    & skf21("1","6","4","3","5","3","4","1") = "5"
    & skf21("1","6","4","3","5","3","5","1") = "5"
    & skf21("1","6","4","3","5","3","6","1") = "5"
    & skf21("1","6","4","3","5","3","7","1") = "6"
    & skf21("1","6","4","3","5","4","1","1") = "5"
    & skf21("1","6","4","3","5","4","2","1") = "5"
    & skf21("1","6","4","3","5","4","3","1") = "5"
    & skf21("1","6","4","3","5","4","4","1") = "5"
    & skf21("1","6","4","3","5","4","5","1") = "5"
    & skf21("1","6","4","3","5","4","6","1") = "5"
    & skf21("1","6","4","3","5","4","7","1") = "6"
    & skf21("1","6","4","3","5","5","1","1") = "5"
    & skf21("1","6","4","3","5","5","2","1") = "5"
    & skf21("1","6","4","3","5","5","3","1") = "5"
    & skf21("1","6","4","3","5","5","4","1") = "5"
    & skf21("1","6","4","3","5","5","5","1") = "5"
    & skf21("1","6","4","3","5","5","6","1") = "5"
    & skf21("1","6","4","3","5","5","7","1") = "6"
    & skf21("1","6","4","3","5","6","1","1") = "5"
    & skf21("1","6","4","3","5","6","2","1") = "5"
    & skf21("1","6","4","3","5","6","3","1") = "5"
    & skf21("1","6","4","3","5","6","4","1") = "5"
    & skf21("1","6","4","3","5","6","5","1") = "5"
    & skf21("1","6","4","3","5","6","6","1") = "5"
    & skf21("1","6","4","3","5","6","7","1") = "6"
    & skf21("1","6","4","3","5","7","1","1") = "6"
    & skf21("1","6","4","3","5","7","2","1") = "6"
    & skf21("1","6","4","3","5","7","3","1") = "6"
    & skf21("1","6","4","3","5","7","4","1") = "6"
    & skf21("1","6","4","3","5","7","5","1") = "6"
    & skf21("1","6","4","3","5","7","6","1") = "6"
    & skf21("1","6","4","3","5","7","7","1") = "6"
    & skf21("1","6","4","3","6","1","1","1") = "5"
    & skf21("1","6","4","3","6","1","2","1") = "5"
    & skf21("1","6","4","3","6","1","3","1") = "5"
    & skf21("1","6","4","3","6","1","4","1") = "5"
    & skf21("1","6","4","3","6","1","5","1") = "5"
    & skf21("1","6","4","3","6","1","6","1") = "5"
    & skf21("1","6","4","3","6","1","7","1") = "6"
    & skf21("1","6","4","3","6","2","1","1") = "5"
    & skf21("1","6","4","3","6","2","2","1") = "5"
    & skf21("1","6","4","3","6","2","3","1") = "5"
    & skf21("1","6","4","3","6","2","4","1") = "5"
    & skf21("1","6","4","3","6","2","5","1") = "5"
    & skf21("1","6","4","3","6","2","6","1") = "5"
    & skf21("1","6","4","3","6","2","7","1") = "6"
    & skf21("1","6","4","3","6","3","1","1") = "5"
    & skf21("1","6","4","3","6","3","2","1") = "5"
    & skf21("1","6","4","3","6","3","3","1") = "5"
    & skf21("1","6","4","3","6","3","4","1") = "5"
    & skf21("1","6","4","3","6","3","5","1") = "5"
    & skf21("1","6","4","3","6","3","6","1") = "5"
    & skf21("1","6","4","3","6","3","7","1") = "6"
    & skf21("1","6","4","3","6","4","1","1") = "5"
    & skf21("1","6","4","3","6","4","2","1") = "5"
    & skf21("1","6","4","3","6","4","3","1") = "5"
    & skf21("1","6","4","3","6","4","4","1") = "5"
    & skf21("1","6","4","3","6","4","5","1") = "5"
    & skf21("1","6","4","3","6","4","6","1") = "5"
    & skf21("1","6","4","3","6","4","7","1") = "6"
    & skf21("1","6","4","3","6","5","1","1") = "5"
    & skf21("1","6","4","3","6","5","2","1") = "5"
    & skf21("1","6","4","3","6","5","3","1") = "5"
    & skf21("1","6","4","3","6","5","4","1") = "5"
    & skf21("1","6","4","3","6","5","5","1") = "5"
    & skf21("1","6","4","3","6","5","6","1") = "5"
    & skf21("1","6","4","3","6","5","7","1") = "6"
    & skf21("1","6","4","3","6","6","1","1") = "5"
    & skf21("1","6","4","3","6","6","2","1") = "5"
    & skf21("1","6","4","3","6","6","3","1") = "5"
    & skf21("1","6","4","3","6","6","4","1") = "5"
    & skf21("1","6","4","3","6","6","5","1") = "5"
    & skf21("1","6","4","3","6","6","6","1") = "5"
    & skf21("1","6","4","3","6","6","7","1") = "6"
    & skf21("1","6","4","3","6","7","1","1") = "6"
    & skf21("1","6","4","3","6","7","2","1") = "6"
    & skf21("1","6","4","3","6","7","3","1") = "6"
    & skf21("1","6","4","3","6","7","4","1") = "6"
    & skf21("1","6","4","3","6","7","5","1") = "6"
    & skf21("1","6","4","3","6","7","6","1") = "6"
    & skf21("1","6","4","3","6","7","7","1") = "6"
    & skf21("1","6","4","3","7","1","1","1") = "6"
    & skf21("1","6","4","3","7","1","2","1") = "6"
    & skf21("1","6","4","3","7","1","3","1") = "6"
    & skf21("1","6","4","3","7","1","4","1") = "6"
    & skf21("1","6","4","3","7","1","5","1") = "6"
    & skf21("1","6","4","3","7","1","6","1") = "6"
    & skf21("1","6","4","3","7","1","7","1") = "6"
    & skf21("1","6","4","3","7","2","1","1") = "6"
    & skf21("1","6","4","3","7","2","2","1") = "6"
    & skf21("1","6","4","3","7","2","3","1") = "6"
    & skf21("1","6","4","3","7","2","4","1") = "6"
    & skf21("1","6","4","3","7","2","5","1") = "6"
    & skf21("1","6","4","3","7","2","6","1") = "6"
    & skf21("1","6","4","3","7","2","7","1") = "6"
    & skf21("1","6","4","3","7","3","1","1") = "6"
    & skf21("1","6","4","3","7","3","2","1") = "6"
    & skf21("1","6","4","3","7","3","3","1") = "6"
    & skf21("1","6","4","3","7","3","4","1") = "6"
    & skf21("1","6","4","3","7","3","5","1") = "6"
    & skf21("1","6","4","3","7","3","6","1") = "6"
    & skf21("1","6","4","3","7","3","7","1") = "6"
    & skf21("1","6","4","3","7","4","1","1") = "6"
    & skf21("1","6","4","3","7","4","2","1") = "6"
    & skf21("1","6","4","3","7","4","3","1") = "6"
    & skf21("1","6","4","3","7","4","4","1") = "6"
    & skf21("1","6","4","3","7","4","5","1") = "6"
    & skf21("1","6","4","3","7","4","6","1") = "6"
    & skf21("1","6","4","3","7","4","7","1") = "6"
    & skf21("1","6","4","3","7","5","1","1") = "6"
    & skf21("1","6","4","3","7","5","2","1") = "6"
    & skf21("1","6","4","3","7","5","3","1") = "6"
    & skf21("1","6","4","3","7","5","4","1") = "6"
    & skf21("1","6","4","3","7","5","5","1") = "6"
    & skf21("1","6","4","3","7","5","6","1") = "6"
    & skf21("1","6","4","3","7","5","7","1") = "6"
    & skf21("1","6","4","3","7","6","1","1") = "6"
    & skf21("1","6","4","3","7","6","2","1") = "6"
    & skf21("1","6","4","3","7","6","3","1") = "6"
    & skf21("1","6","4","3","7","6","4","1") = "6"
    & skf21("1","6","4","3","7","6","5","1") = "6"
    & skf21("1","6","4","3","7","6","6","1") = "6"
    & skf21("1","6","4","3","7","6","7","1") = "6"
    & skf21("1","6","4","3","7","7","1","1") = "6"
    & skf21("1","6","4","3","7","7","2","1") = "6"
    & skf21("1","6","4","3","7","7","3","1") = "6"
    & skf21("1","6","4","3","7","7","4","1") = "6"
    & skf21("1","6","4","3","7","7","5","1") = "6"
    & skf21("1","6","4","3","7","7","6","1") = "6"
    & skf21("1","6","4","3","7","7","7","1") = "6"
    & skf21("1","6","4","4","1","1","1","1") = "5"
    & skf21("1","6","4","4","1","1","2","1") = "5"
    & skf21("1","6","4","4","1","1","3","1") = "5"
    & skf21("1","6","4","4","1","1","4","1") = "5"
    & skf21("1","6","4","4","1","1","5","1") = "5"
    & skf21("1","6","4","4","1","1","6","1") = "5"
    & skf21("1","6","4","4","1","1","7","1") = "6"
    & skf21("1","6","4","4","1","2","1","1") = "5"
    & skf21("1","6","4","4","1","2","2","1") = "5"
    & skf21("1","6","4","4","1","2","3","1") = "5"
    & skf21("1","6","4","4","1","2","4","1") = "5"
    & skf21("1","6","4","4","1","2","5","1") = "5"
    & skf21("1","6","4","4","1","2","6","1") = "5"
    & skf21("1","6","4","4","1","2","7","1") = "6"
    & skf21("1","6","4","4","1","3","1","1") = "5"
    & skf21("1","6","4","4","1","3","2","1") = "5"
    & skf21("1","6","4","4","1","3","3","1") = "5"
    & skf21("1","6","4","4","1","3","4","1") = "5"
    & skf21("1","6","4","4","1","3","5","1") = "5"
    & skf21("1","6","4","4","1","3","6","1") = "5"
    & skf21("1","6","4","4","1","3","7","1") = "6"
    & skf21("1","6","4","4","1","4","1","1") = "5"
    & skf21("1","6","4","4","1","4","2","1") = "5"
    & skf21("1","6","4","4","1","4","3","1") = "5"
    & skf21("1","6","4","4","1","4","4","1") = "5"
    & skf21("1","6","4","4","1","4","5","1") = "5"
    & skf21("1","6","4","4","1","4","6","1") = "5"
    & skf21("1","6","4","4","1","4","7","1") = "6"
    & skf21("1","6","4","4","1","5","1","1") = "5"
    & skf21("1","6","4","4","1","5","2","1") = "5"
    & skf21("1","6","4","4","1","5","3","1") = "5"
    & skf21("1","6","4","4","1","5","4","1") = "5"
    & skf21("1","6","4","4","1","5","5","1") = "5"
    & skf21("1","6","4","4","1","5","6","1") = "5"
    & skf21("1","6","4","4","1","5","7","1") = "6"
    & skf21("1","6","4","4","1","6","1","1") = "5"
    & skf21("1","6","4","4","1","6","2","1") = "5"
    & skf21("1","6","4","4","1","6","3","1") = "5"
    & skf21("1","6","4","4","1","6","4","1") = "5"
    & skf21("1","6","4","4","1","6","5","1") = "5"
    & skf21("1","6","4","4","1","6","6","1") = "5"
    & skf21("1","6","4","4","1","6","7","1") = "6"
    & skf21("1","6","4","4","1","7","1","1") = "6"
    & skf21("1","6","4","4","1","7","2","1") = "6"
    & skf21("1","6","4","4","1","7","3","1") = "6"
    & skf21("1","6","4","4","1","7","4","1") = "6"
    & skf21("1","6","4","4","1","7","5","1") = "6"
    & skf21("1","6","4","4","1","7","6","1") = "6"
    & skf21("1","6","4","4","1","7","7","1") = "6"
    & skf21("1","6","4","4","2","1","1","1") = "5"
    & skf21("1","6","4","4","2","1","2","1") = "5"
    & skf21("1","6","4","4","2","1","3","1") = "5"
    & skf21("1","6","4","4","2","1","4","1") = "5"
    & skf21("1","6","4","4","2","1","5","1") = "5"
    & skf21("1","6","4","4","2","1","6","1") = "5"
    & skf21("1","6","4","4","2","1","7","1") = "6"
    & skf21("1","6","4","4","2","2","1","1") = "5"
    & skf21("1","6","4","4","2","2","2","1") = "5"
    & skf21("1","6","4","4","2","2","3","1") = "5"
    & skf21("1","6","4","4","2","2","4","1") = "5"
    & skf21("1","6","4","4","2","2","5","1") = "5"
    & skf21("1","6","4","4","2","2","6","1") = "5"
    & skf21("1","6","4","4","2","2","7","1") = "6"
    & skf21("1","6","4","4","2","3","1","1") = "5"
    & skf21("1","6","4","4","2","3","2","1") = "5"
    & skf21("1","6","4","4","2","3","3","1") = "5"
    & skf21("1","6","4","4","2","3","4","1") = "5"
    & skf21("1","6","4","4","2","3","5","1") = "5"
    & skf21("1","6","4","4","2","3","6","1") = "5"
    & skf21("1","6","4","4","2","3","7","1") = "6"
    & skf21("1","6","4","4","2","4","1","1") = "5"
    & skf21("1","6","4","4","2","4","2","1") = "5"
    & skf21("1","6","4","4","2","4","3","1") = "5"
    & skf21("1","6","4","4","2","4","4","1") = "5"
    & skf21("1","6","4","4","2","4","5","1") = "5"
    & skf21("1","6","4","4","2","4","6","1") = "5"
    & skf21("1","6","4","4","2","4","7","1") = "6"
    & skf21("1","6","4","4","2","5","1","1") = "5"
    & skf21("1","6","4","4","2","5","2","1") = "5"
    & skf21("1","6","4","4","2","5","3","1") = "5"
    & skf21("1","6","4","4","2","5","4","1") = "5"
    & skf21("1","6","4","4","2","5","5","1") = "5"
    & skf21("1","6","4","4","2","5","6","1") = "5"
    & skf21("1","6","4","4","2","5","7","1") = "6"
    & skf21("1","6","4","4","2","6","1","1") = "5"
    & skf21("1","6","4","4","2","6","2","1") = "5"
    & skf21("1","6","4","4","2","6","3","1") = "5"
    & skf21("1","6","4","4","2","6","4","1") = "5"
    & skf21("1","6","4","4","2","6","5","1") = "5"
    & skf21("1","6","4","4","2","6","6","1") = "5"
    & skf21("1","6","4","4","2","6","7","1") = "6"
    & skf21("1","6","4","4","2","7","1","1") = "6"
    & skf21("1","6","4","4","2","7","2","1") = "6"
    & skf21("1","6","4","4","2","7","3","1") = "6"
    & skf21("1","6","4","4","2","7","4","1") = "6"
    & skf21("1","6","4","4","2","7","5","1") = "6"
    & skf21("1","6","4","4","2","7","6","1") = "6"
    & skf21("1","6","4","4","2","7","7","1") = "6"
    & skf21("1","6","4","4","3","1","1","1") = "5"
    & skf21("1","6","4","4","3","1","2","1") = "5"
    & skf21("1","6","4","4","3","1","3","1") = "5"
    & skf21("1","6","4","4","3","1","4","1") = "5"
    & skf21("1","6","4","4","3","1","5","1") = "5"
    & skf21("1","6","4","4","3","1","6","1") = "5"
    & skf21("1","6","4","4","3","1","7","1") = "6"
    & skf21("1","6","4","4","3","2","1","1") = "5"
    & skf21("1","6","4","4","3","2","2","1") = "5"
    & skf21("1","6","4","4","3","2","3","1") = "5"
    & skf21("1","6","4","4","3","2","4","1") = "5"
    & skf21("1","6","4","4","3","2","5","1") = "5"
    & skf21("1","6","4","4","3","2","6","1") = "5"
    & skf21("1","6","4","4","3","2","7","1") = "6"
    & skf21("1","6","4","4","3","3","1","1") = "5"
    & skf21("1","6","4","4","3","3","2","1") = "5"
    & skf21("1","6","4","4","3","3","3","1") = "5"
    & skf21("1","6","4","4","3","3","4","1") = "5"
    & skf21("1","6","4","4","3","3","5","1") = "5"
    & skf21("1","6","4","4","3","3","6","1") = "5"
    & skf21("1","6","4","4","3","3","7","1") = "6"
    & skf21("1","6","4","4","3","4","1","1") = "5"
    & skf21("1","6","4","4","3","4","2","1") = "5"
    & skf21("1","6","4","4","3","4","3","1") = "5"
    & skf21("1","6","4","4","3","4","4","1") = "5"
    & skf21("1","6","4","4","3","4","5","1") = "5"
    & skf21("1","6","4","4","3","4","6","1") = "5"
    & skf21("1","6","4","4","3","4","7","1") = "6"
    & skf21("1","6","4","4","3","5","1","1") = "5"
    & skf21("1","6","4","4","3","5","2","1") = "5"
    & skf21("1","6","4","4","3","5","3","1") = "5"
    & skf21("1","6","4","4","3","5","4","1") = "5"
    & skf21("1","6","4","4","3","5","5","1") = "5"
    & skf21("1","6","4","4","3","5","6","1") = "5"
    & skf21("1","6","4","4","3","5","7","1") = "6"
    & skf21("1","6","4","4","3","6","1","1") = "5"
    & skf21("1","6","4","4","3","6","2","1") = "5"
    & skf21("1","6","4","4","3","6","3","1") = "5"
    & skf21("1","6","4","4","3","6","4","1") = "5"
    & skf21("1","6","4","4","3","6","5","1") = "5"
    & skf21("1","6","4","4","3","6","6","1") = "5"
    & skf21("1","6","4","4","3","6","7","1") = "6"
    & skf21("1","6","4","4","3","7","1","1") = "6"
    & skf21("1","6","4","4","3","7","2","1") = "6"
    & skf21("1","6","4","4","3","7","3","1") = "6"
    & skf21("1","6","4","4","3","7","4","1") = "6"
    & skf21("1","6","4","4","3","7","5","1") = "6"
    & skf21("1","6","4","4","3","7","6","1") = "6"
    & skf21("1","6","4","4","3","7","7","1") = "6"
    & skf21("1","6","4","4","4","1","1","1") = "5"
    & skf21("1","6","4","4","4","1","2","1") = "5"
    & skf21("1","6","4","4","4","1","3","1") = "5"
    & skf21("1","6","4","4","4","1","4","1") = "5"
    & skf21("1","6","4","4","4","1","5","1") = "5"
    & skf21("1","6","4","4","4","1","6","1") = "5"
    & skf21("1","6","4","4","4","1","7","1") = "6"
    & skf21("1","6","4","4","4","2","1","1") = "5"
    & skf21("1","6","4","4","4","2","2","1") = "5"
    & skf21("1","6","4","4","4","2","3","1") = "5"
    & skf21("1","6","4","4","4","2","4","1") = "5"
    & skf21("1","6","4","4","4","2","5","1") = "5"
    & skf21("1","6","4","4","4","2","6","1") = "5"
    & skf21("1","6","4","4","4","2","7","1") = "6"
    & skf21("1","6","4","4","4","3","1","1") = "5"
    & skf21("1","6","4","4","4","3","2","1") = "5"
    & skf21("1","6","4","4","4","3","3","1") = "5"
    & skf21("1","6","4","4","4","3","4","1") = "5"
    & skf21("1","6","4","4","4","3","5","1") = "5"
    & skf21("1","6","4","4","4","3","6","1") = "5"
    & skf21("1","6","4","4","4","3","7","1") = "6"
    & skf21("1","6","4","4","4","4","1","1") = "5"
    & skf21("1","6","4","4","4","4","2","1") = "5"
    & skf21("1","6","4","4","4","4","3","1") = "5"
    & skf21("1","6","4","4","4","4","4","1") = "5"
    & skf21("1","6","4","4","4","4","5","1") = "5"
    & skf21("1","6","4","4","4","4","6","1") = "5"
    & skf21("1","6","4","4","4","4","7","1") = "6"
    & skf21("1","6","4","4","4","5","1","1") = "5"
    & skf21("1","6","4","4","4","5","2","1") = "5"
    & skf21("1","6","4","4","4","5","3","1") = "5"
    & skf21("1","6","4","4","4","5","4","1") = "5"
    & skf21("1","6","4","4","4","5","5","1") = "5"
    & skf21("1","6","4","4","4","5","6","1") = "5"
    & skf21("1","6","4","4","4","5","7","1") = "6"
    & skf21("1","6","4","4","4","6","1","1") = "5"
    & skf21("1","6","4","4","4","6","2","1") = "5"
    & skf21("1","6","4","4","4","6","3","1") = "5"
    & skf21("1","6","4","4","4","6","4","1") = "5"
    & skf21("1","6","4","4","4","6","5","1") = "5"
    & skf21("1","6","4","4","4","6","6","1") = "5"
    & skf21("1","6","4","4","4","6","7","1") = "6"
    & skf21("1","6","4","4","4","7","1","1") = "6"
    & skf21("1","6","4","4","4","7","2","1") = "6"
    & skf21("1","6","4","4","4","7","3","1") = "6"
    & skf21("1","6","4","4","4","7","4","1") = "6"
    & skf21("1","6","4","4","4","7","5","1") = "6"
    & skf21("1","6","4","4","4","7","6","1") = "6"
    & skf21("1","6","4","4","4","7","7","1") = "6"
    & skf21("1","6","4","4","5","1","1","1") = "5"
    & skf21("1","6","4","4","5","1","2","1") = "5"
    & skf21("1","6","4","4","5","1","3","1") = "5"
    & skf21("1","6","4","4","5","1","4","1") = "5"
    & skf21("1","6","4","4","5","1","5","1") = "5"
    & skf21("1","6","4","4","5","1","6","1") = "5"
    & skf21("1","6","4","4","5","1","7","1") = "6"
    & skf21("1","6","4","4","5","2","1","1") = "5"
    & skf21("1","6","4","4","5","2","2","1") = "5"
    & skf21("1","6","4","4","5","2","3","1") = "5"
    & skf21("1","6","4","4","5","2","4","1") = "5"
    & skf21("1","6","4","4","5","2","5","1") = "5"
    & skf21("1","6","4","4","5","2","6","1") = "5"
    & skf21("1","6","4","4","5","2","7","1") = "6"
    & skf21("1","6","4","4","5","3","1","1") = "5"
    & skf21("1","6","4","4","5","3","2","1") = "5"
    & skf21("1","6","4","4","5","3","3","1") = "5"
    & skf21("1","6","4","4","5","3","4","1") = "5"
    & skf21("1","6","4","4","5","3","5","1") = "5"
    & skf21("1","6","4","4","5","3","6","1") = "5"
    & skf21("1","6","4","4","5","3","7","1") = "6"
    & skf21("1","6","4","4","5","4","1","1") = "5"
    & skf21("1","6","4","4","5","4","2","1") = "5"
    & skf21("1","6","4","4","5","4","3","1") = "5"
    & skf21("1","6","4","4","5","4","4","1") = "5"
    & skf21("1","6","4","4","5","4","5","1") = "5"
    & skf21("1","6","4","4","5","4","6","1") = "5"
    & skf21("1","6","4","4","5","4","7","1") = "6"
    & skf21("1","6","4","4","5","5","1","1") = "5"
    & skf21("1","6","4","4","5","5","2","1") = "5"
    & skf21("1","6","4","4","5","5","3","1") = "5"
    & skf21("1","6","4","4","5","5","4","1") = "5"
    & skf21("1","6","4","4","5","5","5","1") = "5"
    & skf21("1","6","4","4","5","5","6","1") = "5"
    & skf21("1","6","4","4","5","5","7","1") = "6"
    & skf21("1","6","4","4","5","6","1","1") = "5"
    & skf21("1","6","4","4","5","6","2","1") = "5"
    & skf21("1","6","4","4","5","6","3","1") = "5"
    & skf21("1","6","4","4","5","6","4","1") = "5"
    & skf21("1","6","4","4","5","6","5","1") = "5"
    & skf21("1","6","4","4","5","6","6","1") = "5"
    & skf21("1","6","4","4","5","6","7","1") = "6"
    & skf21("1","6","4","4","5","7","1","1") = "6"
    & skf21("1","6","4","4","5","7","2","1") = "6"
    & skf21("1","6","4","4","5","7","3","1") = "6"
    & skf21("1","6","4","4","5","7","4","1") = "6"
    & skf21("1","6","4","4","5","7","5","1") = "6"
    & skf21("1","6","4","4","5","7","6","1") = "6"
    & skf21("1","6","4","4","5","7","7","1") = "6"
    & skf21("1","6","4","4","6","1","1","1") = "5"
    & skf21("1","6","4","4","6","1","2","1") = "5"
    & skf21("1","6","4","4","6","1","3","1") = "5"
    & skf21("1","6","4","4","6","1","4","1") = "5"
    & skf21("1","6","4","4","6","1","5","1") = "5"
    & skf21("1","6","4","4","6","1","6","1") = "5"
    & skf21("1","6","4","4","6","1","7","1") = "6"
    & skf21("1","6","4","4","6","2","1","1") = "5"
    & skf21("1","6","4","4","6","2","2","1") = "5"
    & skf21("1","6","4","4","6","2","3","1") = "5"
    & skf21("1","6","4","4","6","2","4","1") = "5"
    & skf21("1","6","4","4","6","2","5","1") = "5"
    & skf21("1","6","4","4","6","2","6","1") = "5"
    & skf21("1","6","4","4","6","2","7","1") = "6"
    & skf21("1","6","4","4","6","3","1","1") = "5"
    & skf21("1","6","4","4","6","3","2","1") = "5"
    & skf21("1","6","4","4","6","3","3","1") = "5"
    & skf21("1","6","4","4","6","3","4","1") = "5"
    & skf21("1","6","4","4","6","3","5","1") = "5"
    & skf21("1","6","4","4","6","3","6","1") = "5"
    & skf21("1","6","4","4","6","3","7","1") = "6"
    & skf21("1","6","4","4","6","4","1","1") = "5"
    & skf21("1","6","4","4","6","4","2","1") = "5"
    & skf21("1","6","4","4","6","4","3","1") = "5"
    & skf21("1","6","4","4","6","4","4","1") = "5"
    & skf21("1","6","4","4","6","4","5","1") = "5"
    & skf21("1","6","4","4","6","4","6","1") = "5"
    & skf21("1","6","4","4","6","4","7","1") = "6"
    & skf21("1","6","4","4","6","5","1","1") = "5"
    & skf21("1","6","4","4","6","5","2","1") = "5"
    & skf21("1","6","4","4","6","5","3","1") = "5"
    & skf21("1","6","4","4","6","5","4","1") = "5"
    & skf21("1","6","4","4","6","5","5","1") = "5"
    & skf21("1","6","4","4","6","5","6","1") = "5"
    & skf21("1","6","4","4","6","5","7","1") = "6"
    & skf21("1","6","4","4","6","6","1","1") = "5"
    & skf21("1","6","4","4","6","6","2","1") = "5"
    & skf21("1","6","4","4","6","6","3","1") = "5"
    & skf21("1","6","4","4","6","6","4","1") = "5"
    & skf21("1","6","4","4","6","6","5","1") = "5"
    & skf21("1","6","4","4","6","6","6","1") = "5"
    & skf21("1","6","4","4","6","6","7","1") = "6"
    & skf21("1","6","4","4","6","7","1","1") = "6"
    & skf21("1","6","4","4","6","7","2","1") = "6"
    & skf21("1","6","4","4","6","7","3","1") = "6"
    & skf21("1","6","4","4","6","7","4","1") = "6"
    & skf21("1","6","4","4","6","7","5","1") = "6"
    & skf21("1","6","4","4","6","7","6","1") = "6"
    & skf21("1","6","4","4","6","7","7","1") = "6"
    & skf21("1","6","4","4","7","1","1","1") = "6"
    & skf21("1","6","4","4","7","1","2","1") = "6"
    & skf21("1","6","4","4","7","1","3","1") = "6"
    & skf21("1","6","4","4","7","1","4","1") = "6"
    & skf21("1","6","4","4","7","1","5","1") = "6"
    & skf21("1","6","4","4","7","1","6","1") = "6"
    & skf21("1","6","4","4","7","1","7","1") = "6"
    & skf21("1","6","4","4","7","2","1","1") = "6"
    & skf21("1","6","4","4","7","2","2","1") = "6"
    & skf21("1","6","4","4","7","2","3","1") = "6"
    & skf21("1","6","4","4","7","2","4","1") = "6"
    & skf21("1","6","4","4","7","2","5","1") = "6"
    & skf21("1","6","4","4","7","2","6","1") = "6"
    & skf21("1","6","4","4","7","2","7","1") = "6"
    & skf21("1","6","4","4","7","3","1","1") = "6"
    & skf21("1","6","4","4","7","3","2","1") = "6"
    & skf21("1","6","4","4","7","3","3","1") = "6"
    & skf21("1","6","4","4","7","3","4","1") = "6"
    & skf21("1","6","4","4","7","3","5","1") = "6"
    & skf21("1","6","4","4","7","3","6","1") = "6"
    & skf21("1","6","4","4","7","3","7","1") = "6"
    & skf21("1","6","4","4","7","4","1","1") = "6"
    & skf21("1","6","4","4","7","4","2","1") = "6"
    & skf21("1","6","4","4","7","4","3","1") = "6"
    & skf21("1","6","4","4","7","4","4","1") = "6"
    & skf21("1","6","4","4","7","4","5","1") = "6"
    & skf21("1","6","4","4","7","4","6","1") = "6"
    & skf21("1","6","4","4","7","4","7","1") = "6"
    & skf21("1","6","4","4","7","5","1","1") = "6"
    & skf21("1","6","4","4","7","5","2","1") = "6"
    & skf21("1","6","4","4","7","5","3","1") = "6"
    & skf21("1","6","4","4","7","5","4","1") = "6"
    & skf21("1","6","4","4","7","5","5","1") = "6"
    & skf21("1","6","4","4","7","5","6","1") = "6"
    & skf21("1","6","4","4","7","5","7","1") = "6"
    & skf21("1","6","4","4","7","6","1","1") = "6"
    & skf21("1","6","4","4","7","6","2","1") = "6"
    & skf21("1","6","4","4","7","6","3","1") = "6"
    & skf21("1","6","4","4","7","6","4","1") = "6"
    & skf21("1","6","4","4","7","6","5","1") = "6"
    & skf21("1","6","4","4","7","6","6","1") = "6"
    & skf21("1","6","4","4","7","6","7","1") = "6"
    & skf21("1","6","4","4","7","7","1","1") = "6"
    & skf21("1","6","4","4","7","7","2","1") = "6"
    & skf21("1","6","4","4","7","7","3","1") = "6"
    & skf21("1","6","4","4","7","7","4","1") = "6"
    & skf21("1","6","4","4","7","7","5","1") = "6"
    & skf21("1","6","4","4","7","7","6","1") = "6"
    & skf21("1","6","4","4","7","7","7","1") = "6"
    & skf21("1","6","4","5","1","1","1","1") = "5"
    & skf21("1","6","4","5","1","1","2","1") = "5"
    & skf21("1","6","4","5","1","1","3","1") = "5"
    & skf21("1","6","4","5","1","1","4","1") = "5"
    & skf21("1","6","4","5","1","1","5","1") = "5"
    & skf21("1","6","4","5","1","1","6","1") = "5"
    & skf21("1","6","4","5","1","1","7","1") = "6"
    & skf21("1","6","4","5","1","2","1","1") = "5"
    & skf21("1","6","4","5","1","2","2","1") = "5"
    & skf21("1","6","4","5","1","2","3","1") = "5"
    & skf21("1","6","4","5","1","2","4","1") = "5"
    & skf21("1","6","4","5","1","2","5","1") = "5"
    & skf21("1","6","4","5","1","2","6","1") = "5"
    & skf21("1","6","4","5","1","2","7","1") = "6"
    & skf21("1","6","4","5","1","3","1","1") = "5"
    & skf21("1","6","4","5","1","3","2","1") = "5"
    & skf21("1","6","4","5","1","3","3","1") = "5"
    & skf21("1","6","4","5","1","3","4","1") = "5"
    & skf21("1","6","4","5","1","3","5","1") = "5"
    & skf21("1","6","4","5","1","3","6","1") = "5"
    & skf21("1","6","4","5","1","3","7","1") = "6"
    & skf21("1","6","4","5","1","4","1","1") = "5"
    & skf21("1","6","4","5","1","4","2","1") = "5"
    & skf21("1","6","4","5","1","4","3","1") = "5"
    & skf21("1","6","4","5","1","4","4","1") = "5"
    & skf21("1","6","4","5","1","4","5","1") = "5"
    & skf21("1","6","4","5","1","4","6","1") = "5"
    & skf21("1","6","4","5","1","4","7","1") = "6"
    & skf21("1","6","4","5","1","5","1","1") = "5"
    & skf21("1","6","4","5","1","5","2","1") = "5"
    & skf21("1","6","4","5","1","5","3","1") = "5"
    & skf21("1","6","4","5","1","5","4","1") = "5"
    & skf21("1","6","4","5","1","5","5","1") = "5"
    & skf21("1","6","4","5","1","5","6","1") = "5"
    & skf21("1","6","4","5","1","5","7","1") = "6"
    & skf21("1","6","4","5","1","6","1","1") = "5"
    & skf21("1","6","4","5","1","6","2","1") = "5"
    & skf21("1","6","4","5","1","6","3","1") = "5"
    & skf21("1","6","4","5","1","6","4","1") = "5"
    & skf21("1","6","4","5","1","6","5","1") = "5"
    & skf21("1","6","4","5","1","6","6","1") = "5"
    & skf21("1","6","4","5","1","6","7","1") = "6"
    & skf21("1","6","4","5","1","7","1","1") = "6"
    & skf21("1","6","4","5","1","7","2","1") = "6"
    & skf21("1","6","4","5","1","7","3","1") = "6"
    & skf21("1","6","4","5","1","7","4","1") = "6"
    & skf21("1","6","4","5","1","7","5","1") = "6"
    & skf21("1","6","4","5","1","7","6","1") = "6"
    & skf21("1","6","4","5","1","7","7","1") = "6"
    & skf21("1","6","4","5","2","1","1","1") = "5"
    & skf21("1","6","4","5","2","1","2","1") = "5"
    & skf21("1","6","4","5","2","1","3","1") = "5"
    & skf21("1","6","4","5","2","1","4","1") = "5"
    & skf21("1","6","4","5","2","1","5","1") = "5"
    & skf21("1","6","4","5","2","1","6","1") = "5"
    & skf21("1","6","4","5","2","1","7","1") = "6"
    & skf21("1","6","4","5","2","2","1","1") = "5"
    & skf21("1","6","4","5","2","2","2","1") = "5"
    & skf21("1","6","4","5","2","2","3","1") = "5"
    & skf21("1","6","4","5","2","2","4","1") = "5"
    & skf21("1","6","4","5","2","2","5","1") = "5"
    & skf21("1","6","4","5","2","2","6","1") = "5"
    & skf21("1","6","4","5","2","2","7","1") = "6"
    & skf21("1","6","4","5","2","3","1","1") = "5"
    & skf21("1","6","4","5","2","3","2","1") = "5"
    & skf21("1","6","4","5","2","3","3","1") = "5"
    & skf21("1","6","4","5","2","3","4","1") = "5"
    & skf21("1","6","4","5","2","3","5","1") = "5"
    & skf21("1","6","4","5","2","3","6","1") = "5"
    & skf21("1","6","4","5","2","3","7","1") = "6"
    & skf21("1","6","4","5","2","4","1","1") = "5"
    & skf21("1","6","4","5","2","4","2","1") = "5"
    & skf21("1","6","4","5","2","4","3","1") = "5"
    & skf21("1","6","4","5","2","4","4","1") = "5"
    & skf21("1","6","4","5","2","4","5","1") = "5"
    & skf21("1","6","4","5","2","4","6","1") = "5"
    & skf21("1","6","4","5","2","4","7","1") = "6"
    & skf21("1","6","4","5","2","5","1","1") = "5"
    & skf21("1","6","4","5","2","5","2","1") = "5"
    & skf21("1","6","4","5","2","5","3","1") = "5"
    & skf21("1","6","4","5","2","5","4","1") = "5"
    & skf21("1","6","4","5","2","5","5","1") = "5"
    & skf21("1","6","4","5","2","5","6","1") = "5"
    & skf21("1","6","4","5","2","5","7","1") = "6"
    & skf21("1","6","4","5","2","6","1","1") = "5"
    & skf21("1","6","4","5","2","6","2","1") = "5"
    & skf21("1","6","4","5","2","6","3","1") = "5"
    & skf21("1","6","4","5","2","6","4","1") = "5"
    & skf21("1","6","4","5","2","6","5","1") = "5"
    & skf21("1","6","4","5","2","6","6","1") = "5"
    & skf21("1","6","4","5","2","6","7","1") = "6"
    & skf21("1","6","4","5","2","7","1","1") = "6"
    & skf21("1","6","4","5","2","7","2","1") = "6"
    & skf21("1","6","4","5","2","7","3","1") = "6"
    & skf21("1","6","4","5","2","7","4","1") = "6"
    & skf21("1","6","4","5","2","7","5","1") = "6"
    & skf21("1","6","4","5","2","7","6","1") = "6"
    & skf21("1","6","4","5","2","7","7","1") = "6"
    & skf21("1","6","4","5","3","1","1","1") = "5"
    & skf21("1","6","4","5","3","1","2","1") = "5"
    & skf21("1","6","4","5","3","1","3","1") = "5"
    & skf21("1","6","4","5","3","1","4","1") = "5"
    & skf21("1","6","4","5","3","1","5","1") = "5"
    & skf21("1","6","4","5","3","1","6","1") = "5"
    & skf21("1","6","4","5","3","1","7","1") = "6"
    & skf21("1","6","4","5","3","2","1","1") = "5"
    & skf21("1","6","4","5","3","2","2","1") = "5"
    & skf21("1","6","4","5","3","2","3","1") = "5"
    & skf21("1","6","4","5","3","2","4","1") = "5"
    & skf21("1","6","4","5","3","2","5","1") = "5"
    & skf21("1","6","4","5","3","2","6","1") = "5"
    & skf21("1","6","4","5","3","2","7","1") = "6"
    & skf21("1","6","4","5","3","3","1","1") = "5"
    & skf21("1","6","4","5","3","3","2","1") = "5"
    & skf21("1","6","4","5","3","3","3","1") = "5"
    & skf21("1","6","4","5","3","3","4","1") = "5"
    & skf21("1","6","4","5","3","3","5","1") = "5"
    & skf21("1","6","4","5","3","3","6","1") = "5"
    & skf21("1","6","4","5","3","3","7","1") = "6"
    & skf21("1","6","4","5","3","4","1","1") = "5"
    & skf21("1","6","4","5","3","4","2","1") = "5"
    & skf21("1","6","4","5","3","4","3","1") = "5"
    & skf21("1","6","4","5","3","4","4","1") = "5"
    & skf21("1","6","4","5","3","4","5","1") = "5"
    & skf21("1","6","4","5","3","4","6","1") = "5"
    & skf21("1","6","4","5","3","4","7","1") = "6"
    & skf21("1","6","4","5","3","5","1","1") = "5"
    & skf21("1","6","4","5","3","5","2","1") = "5"
    & skf21("1","6","4","5","3","5","3","1") = "5"
    & skf21("1","6","4","5","3","5","4","1") = "5"
    & skf21("1","6","4","5","3","5","5","1") = "5"
    & skf21("1","6","4","5","3","5","6","1") = "5"
    & skf21("1","6","4","5","3","5","7","1") = "6"
    & skf21("1","6","4","5","3","6","1","1") = "5"
    & skf21("1","6","4","5","3","6","2","1") = "5"
    & skf21("1","6","4","5","3","6","3","1") = "5"
    & skf21("1","6","4","5","3","6","4","1") = "5"
    & skf21("1","6","4","5","3","6","5","1") = "5"
    & skf21("1","6","4","5","3","6","6","1") = "5"
    & skf21("1","6","4","5","3","6","7","1") = "6"
    & skf21("1","6","4","5","3","7","1","1") = "6"
    & skf21("1","6","4","5","3","7","2","1") = "6"
    & skf21("1","6","4","5","3","7","3","1") = "6"
    & skf21("1","6","4","5","3","7","4","1") = "6"
    & skf21("1","6","4","5","3","7","5","1") = "6"
    & skf21("1","6","4","5","3","7","6","1") = "6"
    & skf21("1","6","4","5","3","7","7","1") = "6"
    & skf21("1","6","4","5","4","1","1","1") = "5"
    & skf21("1","6","4","5","4","1","2","1") = "5"
    & skf21("1","6","4","5","4","1","3","1") = "5"
    & skf21("1","6","4","5","4","1","4","1") = "5"
    & skf21("1","6","4","5","4","1","5","1") = "5"
    & skf21("1","6","4","5","4","1","6","1") = "5"
    & skf21("1","6","4","5","4","1","7","1") = "6"
    & skf21("1","6","4","5","4","2","1","1") = "5"
    & skf21("1","6","4","5","4","2","2","1") = "5"
    & skf21("1","6","4","5","4","2","3","1") = "5"
    & skf21("1","6","4","5","4","2","4","1") = "5"
    & skf21("1","6","4","5","4","2","5","1") = "5"
    & skf21("1","6","4","5","4","2","6","1") = "5"
    & skf21("1","6","4","5","4","2","7","1") = "6"
    & skf21("1","6","4","5","4","3","1","1") = "5"
    & skf21("1","6","4","5","4","3","2","1") = "5"
    & skf21("1","6","4","5","4","3","3","1") = "5"
    & skf21("1","6","4","5","4","3","4","1") = "5"
    & skf21("1","6","4","5","4","3","5","1") = "5"
    & skf21("1","6","4","5","4","3","6","1") = "5"
    & skf21("1","6","4","5","4","3","7","1") = "6"
    & skf21("1","6","4","5","4","4","1","1") = "5"
    & skf21("1","6","4","5","4","4","2","1") = "5"
    & skf21("1","6","4","5","4","4","3","1") = "5"
    & skf21("1","6","4","5","4","4","4","1") = "5"
    & skf21("1","6","4","5","4","4","5","1") = "5"
    & skf21("1","6","4","5","4","4","6","1") = "5"
    & skf21("1","6","4","5","4","4","7","1") = "6"
    & skf21("1","6","4","5","4","5","1","1") = "5"
    & skf21("1","6","4","5","4","5","2","1") = "5"
    & skf21("1","6","4","5","4","5","3","1") = "5"
    & skf21("1","6","4","5","4","5","4","1") = "5"
    & skf21("1","6","4","5","4","5","5","1") = "5"
    & skf21("1","6","4","5","4","5","6","1") = "5"
    & skf21("1","6","4","5","4","5","7","1") = "6"
    & skf21("1","6","4","5","4","6","1","1") = "5"
    & skf21("1","6","4","5","4","6","2","1") = "5"
    & skf21("1","6","4","5","4","6","3","1") = "5"
    & skf21("1","6","4","5","4","6","4","1") = "5"
    & skf21("1","6","4","5","4","6","5","1") = "5"
    & skf21("1","6","4","5","4","6","6","1") = "5"
    & skf21("1","6","4","5","4","6","7","1") = "6"
    & skf21("1","6","4","5","4","7","1","1") = "6"
    & skf21("1","6","4","5","4","7","2","1") = "6"
    & skf21("1","6","4","5","4","7","3","1") = "6"
    & skf21("1","6","4","5","4","7","4","1") = "6"
    & skf21("1","6","4","5","4","7","5","1") = "6"
    & skf21("1","6","4","5","4","7","6","1") = "6"
    & skf21("1","6","4","5","4","7","7","1") = "6"
    & skf21("1","6","4","5","5","1","1","1") = "5"
    & skf21("1","6","4","5","5","1","2","1") = "5"
    & skf21("1","6","4","5","5","1","3","1") = "5"
    & skf21("1","6","4","5","5","1","4","1") = "5"
    & skf21("1","6","4","5","5","1","5","1") = "5"
    & skf21("1","6","4","5","5","1","6","1") = "5"
    & skf21("1","6","4","5","5","1","7","1") = "6"
    & skf21("1","6","4","5","5","2","1","1") = "5"
    & skf21("1","6","4","5","5","2","2","1") = "5"
    & skf21("1","6","4","5","5","2","3","1") = "5"
    & skf21("1","6","4","5","5","2","4","1") = "5"
    & skf21("1","6","4","5","5","2","5","1") = "5"
    & skf21("1","6","4","5","5","2","6","1") = "5"
    & skf21("1","6","4","5","5","2","7","1") = "6"
    & skf21("1","6","4","5","5","3","1","1") = "5"
    & skf21("1","6","4","5","5","3","2","1") = "5"
    & skf21("1","6","4","5","5","3","3","1") = "5"
    & skf21("1","6","4","5","5","3","4","1") = "5"
    & skf21("1","6","4","5","5","3","5","1") = "5"
    & skf21("1","6","4","5","5","3","6","1") = "5"
    & skf21("1","6","4","5","5","3","7","1") = "6"
    & skf21("1","6","4","5","5","4","1","1") = "5"
    & skf21("1","6","4","5","5","4","2","1") = "5"
    & skf21("1","6","4","5","5","4","3","1") = "5"
    & skf21("1","6","4","5","5","4","4","1") = "5"
    & skf21("1","6","4","5","5","4","5","1") = "5"
    & skf21("1","6","4","5","5","4","6","1") = "5"
    & skf21("1","6","4","5","5","4","7","1") = "6"
    & skf21("1","6","4","5","5","5","1","1") = "5"
    & skf21("1","6","4","5","5","5","2","1") = "5"
    & skf21("1","6","4","5","5","5","3","1") = "5"
    & skf21("1","6","4","5","5","5","4","1") = "5"
    & skf21("1","6","4","5","5","5","5","1") = "5"
    & skf21("1","6","4","5","5","5","6","1") = "5"
    & skf21("1","6","4","5","5","5","7","1") = "6"
    & skf21("1","6","4","5","5","6","1","1") = "5"
    & skf21("1","6","4","5","5","6","2","1") = "5"
    & skf21("1","6","4","5","5","6","3","1") = "5"
    & skf21("1","6","4","5","5","6","4","1") = "5"
    & skf21("1","6","4","5","5","6","5","1") = "5"
    & skf21("1","6","4","5","5","6","6","1") = "5"
    & skf21("1","6","4","5","5","6","7","1") = "6"
    & skf21("1","6","4","5","5","7","1","1") = "6"
    & skf21("1","6","4","5","5","7","2","1") = "6"
    & skf21("1","6","4","5","5","7","3","1") = "6"
    & skf21("1","6","4","5","5","7","4","1") = "6"
    & skf21("1","6","4","5","5","7","5","1") = "6"
    & skf21("1","6","4","5","5","7","6","1") = "6"
    & skf21("1","6","4","5","5","7","7","1") = "6"
    & skf21("1","6","4","5","6","1","1","1") = "5"
    & skf21("1","6","4","5","6","1","2","1") = "5"
    & skf21("1","6","4","5","6","1","3","1") = "5"
    & skf21("1","6","4","5","6","1","4","1") = "5"
    & skf21("1","6","4","5","6","1","5","1") = "5"
    & skf21("1","6","4","5","6","1","6","1") = "5"
    & skf21("1","6","4","5","6","1","7","1") = "6"
    & skf21("1","6","4","5","6","2","1","1") = "5"
    & skf21("1","6","4","5","6","2","2","1") = "5"
    & skf21("1","6","4","5","6","2","3","1") = "5"
    & skf21("1","6","4","5","6","2","4","1") = "5"
    & skf21("1","6","4","5","6","2","5","1") = "5"
    & skf21("1","6","4","5","6","2","6","1") = "5"
    & skf21("1","6","4","5","6","2","7","1") = "6"
    & skf21("1","6","4","5","6","3","1","1") = "5"
    & skf21("1","6","4","5","6","3","2","1") = "5"
    & skf21("1","6","4","5","6","3","3","1") = "5"
    & skf21("1","6","4","5","6","3","4","1") = "5"
    & skf21("1","6","4","5","6","3","5","1") = "5"
    & skf21("1","6","4","5","6","3","6","1") = "5"
    & skf21("1","6","4","5","6","3","7","1") = "6"
    & skf21("1","6","4","5","6","4","1","1") = "5"
    & skf21("1","6","4","5","6","4","2","1") = "5"
    & skf21("1","6","4","5","6","4","3","1") = "5"
    & skf21("1","6","4","5","6","4","4","1") = "5"
    & skf21("1","6","4","5","6","4","5","1") = "5"
    & skf21("1","6","4","5","6","4","6","1") = "5"
    & skf21("1","6","4","5","6","4","7","1") = "6"
    & skf21("1","6","4","5","6","5","1","1") = "5"
    & skf21("1","6","4","5","6","5","2","1") = "5"
    & skf21("1","6","4","5","6","5","3","1") = "5"
    & skf21("1","6","4","5","6","5","4","1") = "5"
    & skf21("1","6","4","5","6","5","5","1") = "5"
    & skf21("1","6","4","5","6","5","6","1") = "5"
    & skf21("1","6","4","5","6","5","7","1") = "6"
    & skf21("1","6","4","5","6","6","1","1") = "5"
    & skf21("1","6","4","5","6","6","2","1") = "5"
    & skf21("1","6","4","5","6","6","3","1") = "5"
    & skf21("1","6","4","5","6","6","4","1") = "5"
    & skf21("1","6","4","5","6","6","5","1") = "5"
    & skf21("1","6","4","5","6","6","6","1") = "5"
    & skf21("1","6","4","5","6","6","7","1") = "6"
    & skf21("1","6","4","5","6","7","1","1") = "6"
    & skf21("1","6","4","5","6","7","2","1") = "6"
    & skf21("1","6","4","5","6","7","3","1") = "6"
    & skf21("1","6","4","5","6","7","4","1") = "6"
    & skf21("1","6","4","5","6","7","5","1") = "6"
    & skf21("1","6","4","5","6","7","6","1") = "6"
    & skf21("1","6","4","5","6","7","7","1") = "6"
    & skf21("1","6","4","5","7","1","1","1") = "6"
    & skf21("1","6","4","5","7","1","2","1") = "6"
    & skf21("1","6","4","5","7","1","3","1") = "6"
    & skf21("1","6","4","5","7","1","4","1") = "6"
    & skf21("1","6","4","5","7","1","5","1") = "6"
    & skf21("1","6","4","5","7","1","6","1") = "6"
    & skf21("1","6","4","5","7","1","7","1") = "6"
    & skf21("1","6","4","5","7","2","1","1") = "6"
    & skf21("1","6","4","5","7","2","2","1") = "6"
    & skf21("1","6","4","5","7","2","3","1") = "6"
    & skf21("1","6","4","5","7","2","4","1") = "6"
    & skf21("1","6","4","5","7","2","5","1") = "6"
    & skf21("1","6","4","5","7","2","6","1") = "6"
    & skf21("1","6","4","5","7","2","7","1") = "6"
    & skf21("1","6","4","5","7","3","1","1") = "6"
    & skf21("1","6","4","5","7","3","2","1") = "6"
    & skf21("1","6","4","5","7","3","3","1") = "6"
    & skf21("1","6","4","5","7","3","4","1") = "6"
    & skf21("1","6","4","5","7","3","5","1") = "6"
    & skf21("1","6","4","5","7","3","6","1") = "6"
    & skf21("1","6","4","5","7","3","7","1") = "6"
    & skf21("1","6","4","5","7","4","1","1") = "6"
    & skf21("1","6","4","5","7","4","2","1") = "6"
    & skf21("1","6","4","5","7","4","3","1") = "6"
    & skf21("1","6","4","5","7","4","4","1") = "6"
    & skf21("1","6","4","5","7","4","5","1") = "6"
    & skf21("1","6","4","5","7","4","6","1") = "6"
    & skf21("1","6","4","5","7","4","7","1") = "6"
    & skf21("1","6","4","5","7","5","1","1") = "6"
    & skf21("1","6","4","5","7","5","2","1") = "6"
    & skf21("1","6","4","5","7","5","3","1") = "6"
    & skf21("1","6","4","5","7","5","4","1") = "6"
    & skf21("1","6","4","5","7","5","5","1") = "6"
    & skf21("1","6","4","5","7","5","6","1") = "6"
    & skf21("1","6","4","5","7","5","7","1") = "6"
    & skf21("1","6","4","5","7","6","1","1") = "6"
    & skf21("1","6","4","5","7","6","2","1") = "6"
    & skf21("1","6","4","5","7","6","3","1") = "6"
    & skf21("1","6","4","5","7","6","4","1") = "6"
    & skf21("1","6","4","5","7","6","5","1") = "6"
    & skf21("1","6","4","5","7","6","6","1") = "6"
    & skf21("1","6","4","5","7","6","7","1") = "6"
    & skf21("1","6","4","5","7","7","1","1") = "6"
    & skf21("1","6","4","5","7","7","2","1") = "6"
    & skf21("1","6","4","5","7","7","3","1") = "6"
    & skf21("1","6","4","5","7","7","4","1") = "6"
    & skf21("1","6","4","5","7","7","5","1") = "6"
    & skf21("1","6","4","5","7","7","6","1") = "6"
    & skf21("1","6","4","5","7","7","7","1") = "6"
    & skf21("1","6","4","6","1","1","1","1") = "5"
    & skf21("1","6","4","6","1","1","2","1") = "5"
    & skf21("1","6","4","6","1","1","3","1") = "5"
    & skf21("1","6","4","6","1","1","4","1") = "5"
    & skf21("1","6","4","6","1","1","5","1") = "5"
    & skf21("1","6","4","6","1","1","6","1") = "5"
    & skf21("1","6","4","6","1","1","7","1") = "6"
    & skf21("1","6","4","6","1","2","1","1") = "5"
    & skf21("1","6","4","6","1","2","2","1") = "5"
    & skf21("1","6","4","6","1","2","3","1") = "5"
    & skf21("1","6","4","6","1","2","4","1") = "5"
    & skf21("1","6","4","6","1","2","5","1") = "5"
    & skf21("1","6","4","6","1","2","6","1") = "5"
    & skf21("1","6","4","6","1","2","7","1") = "6"
    & skf21("1","6","4","6","1","3","1","1") = "5"
    & skf21("1","6","4","6","1","3","2","1") = "5"
    & skf21("1","6","4","6","1","3","3","1") = "5"
    & skf21("1","6","4","6","1","3","4","1") = "5"
    & skf21("1","6","4","6","1","3","5","1") = "5"
    & skf21("1","6","4","6","1","3","6","1") = "5"
    & skf21("1","6","4","6","1","3","7","1") = "6"
    & skf21("1","6","4","6","1","4","1","1") = "5"
    & skf21("1","6","4","6","1","4","2","1") = "5"
    & skf21("1","6","4","6","1","4","3","1") = "5"
    & skf21("1","6","4","6","1","4","4","1") = "5"
    & skf21("1","6","4","6","1","4","5","1") = "5"
    & skf21("1","6","4","6","1","4","6","1") = "5"
    & skf21("1","6","4","6","1","4","7","1") = "6"
    & skf21("1","6","4","6","1","5","1","1") = "5"
    & skf21("1","6","4","6","1","5","2","1") = "5"
    & skf21("1","6","4","6","1","5","3","1") = "5"
    & skf21("1","6","4","6","1","5","4","1") = "5"
    & skf21("1","6","4","6","1","5","5","1") = "5"
    & skf21("1","6","4","6","1","5","6","1") = "5"
    & skf21("1","6","4","6","1","5","7","1") = "6"
    & skf21("1","6","4","6","1","6","1","1") = "5"
    & skf21("1","6","4","6","1","6","2","1") = "5"
    & skf21("1","6","4","6","1","6","3","1") = "5"
    & skf21("1","6","4","6","1","6","4","1") = "5"
    & skf21("1","6","4","6","1","6","5","1") = "5"
    & skf21("1","6","4","6","1","6","6","1") = "5"
    & skf21("1","6","4","6","1","6","7","1") = "6"
    & skf21("1","6","4","6","1","7","1","1") = "6"
    & skf21("1","6","4","6","1","7","2","1") = "6"
    & skf21("1","6","4","6","1","7","3","1") = "6"
    & skf21("1","6","4","6","1","7","4","1") = "6"
    & skf21("1","6","4","6","1","7","5","1") = "6"
    & skf21("1","6","4","6","1","7","6","1") = "6"
    & skf21("1","6","4","6","1","7","7","1") = "6"
    & skf21("1","6","4","6","2","1","1","1") = "5"
    & skf21("1","6","4","6","2","1","2","1") = "5"
    & skf21("1","6","4","6","2","1","3","1") = "5"
    & skf21("1","6","4","6","2","1","4","1") = "5"
    & skf21("1","6","4","6","2","1","5","1") = "5"
    & skf21("1","6","4","6","2","1","6","1") = "5"
    & skf21("1","6","4","6","2","1","7","1") = "6"
    & skf21("1","6","4","6","2","2","1","1") = "5"
    & skf21("1","6","4","6","2","2","2","1") = "5"
    & skf21("1","6","4","6","2","2","3","1") = "5"
    & skf21("1","6","4","6","2","2","4","1") = "5"
    & skf21("1","6","4","6","2","2","5","1") = "5"
    & skf21("1","6","4","6","2","2","6","1") = "5"
    & skf21("1","6","4","6","2","2","7","1") = "6"
    & skf21("1","6","4","6","2","3","1","1") = "5"
    & skf21("1","6","4","6","2","3","2","1") = "5"
    & skf21("1","6","4","6","2","3","3","1") = "5"
    & skf21("1","6","4","6","2","3","4","1") = "5"
    & skf21("1","6","4","6","2","3","5","1") = "5"
    & skf21("1","6","4","6","2","3","6","1") = "5"
    & skf21("1","6","4","6","2","3","7","1") = "6"
    & skf21("1","6","4","6","2","4","1","1") = "5"
    & skf21("1","6","4","6","2","4","2","1") = "5"
    & skf21("1","6","4","6","2","4","3","1") = "5"
    & skf21("1","6","4","6","2","4","4","1") = "5"
    & skf21("1","6","4","6","2","4","5","1") = "5"
    & skf21("1","6","4","6","2","4","6","1") = "5"
    & skf21("1","6","4","6","2","4","7","1") = "6"
    & skf21("1","6","4","6","2","5","1","1") = "5"
    & skf21("1","6","4","6","2","5","2","1") = "5"
    & skf21("1","6","4","6","2","5","3","1") = "5"
    & skf21("1","6","4","6","2","5","4","1") = "5"
    & skf21("1","6","4","6","2","5","5","1") = "5"
    & skf21("1","6","4","6","2","5","6","1") = "5"
    & skf21("1","6","4","6","2","5","7","1") = "6"
    & skf21("1","6","4","6","2","6","1","1") = "5"
    & skf21("1","6","4","6","2","6","2","1") = "5"
    & skf21("1","6","4","6","2","6","3","1") = "5"
    & skf21("1","6","4","6","2","6","4","1") = "5"
    & skf21("1","6","4","6","2","6","5","1") = "5"
    & skf21("1","6","4","6","2","6","6","1") = "5"
    & skf21("1","6","4","6","2","6","7","1") = "6"
    & skf21("1","6","4","6","2","7","1","1") = "6"
    & skf21("1","6","4","6","2","7","2","1") = "6"
    & skf21("1","6","4","6","2","7","3","1") = "6"
    & skf21("1","6","4","6","2","7","4","1") = "6"
    & skf21("1","6","4","6","2","7","5","1") = "6"
    & skf21("1","6","4","6","2","7","6","1") = "6"
    & skf21("1","6","4","6","2","7","7","1") = "6"
    & skf21("1","6","4","6","3","1","1","1") = "5"
    & skf21("1","6","4","6","3","1","2","1") = "5"
    & skf21("1","6","4","6","3","1","3","1") = "5"
    & skf21("1","6","4","6","3","1","4","1") = "5"
    & skf21("1","6","4","6","3","1","5","1") = "5"
    & skf21("1","6","4","6","3","1","6","1") = "5"
    & skf21("1","6","4","6","3","1","7","1") = "6"
    & skf21("1","6","4","6","3","2","1","1") = "5"
    & skf21("1","6","4","6","3","2","2","1") = "5"
    & skf21("1","6","4","6","3","2","3","1") = "5"
    & skf21("1","6","4","6","3","2","4","1") = "5"
    & skf21("1","6","4","6","3","2","5","1") = "5"
    & skf21("1","6","4","6","3","2","6","1") = "5"
    & skf21("1","6","4","6","3","2","7","1") = "6"
    & skf21("1","6","4","6","3","3","1","1") = "5"
    & skf21("1","6","4","6","3","3","2","1") = "5"
    & skf21("1","6","4","6","3","3","3","1") = "5"
    & skf21("1","6","4","6","3","3","4","1") = "5"
    & skf21("1","6","4","6","3","3","5","1") = "5"
    & skf21("1","6","4","6","3","3","6","1") = "5"
    & skf21("1","6","4","6","3","3","7","1") = "6"
    & skf21("1","6","4","6","3","4","1","1") = "5"
    & skf21("1","6","4","6","3","4","2","1") = "5"
    & skf21("1","6","4","6","3","4","3","1") = "5"
    & skf21("1","6","4","6","3","4","4","1") = "5"
    & skf21("1","6","4","6","3","4","5","1") = "5"
    & skf21("1","6","4","6","3","4","6","1") = "5"
    & skf21("1","6","4","6","3","4","7","1") = "6"
    & skf21("1","6","4","6","3","5","1","1") = "5"
    & skf21("1","6","4","6","3","5","2","1") = "5"
    & skf21("1","6","4","6","3","5","3","1") = "5"
    & skf21("1","6","4","6","3","5","4","1") = "5"
    & skf21("1","6","4","6","3","5","5","1") = "5"
    & skf21("1","6","4","6","3","5","6","1") = "5"
    & skf21("1","6","4","6","3","5","7","1") = "6"
    & skf21("1","6","4","6","3","6","1","1") = "5"
    & skf21("1","6","4","6","3","6","2","1") = "5"
    & skf21("1","6","4","6","3","6","3","1") = "5"
    & skf21("1","6","4","6","3","6","4","1") = "5"
    & skf21("1","6","4","6","3","6","5","1") = "5"
    & skf21("1","6","4","6","3","6","6","1") = "5"
    & skf21("1","6","4","6","3","6","7","1") = "6"
    & skf21("1","6","4","6","3","7","1","1") = "6"
    & skf21("1","6","4","6","3","7","2","1") = "6"
    & skf21("1","6","4","6","3","7","3","1") = "6"
    & skf21("1","6","4","6","3","7","4","1") = "6"
    & skf21("1","6","4","6","3","7","5","1") = "6"
    & skf21("1","6","4","6","3","7","6","1") = "6"
    & skf21("1","6","4","6","3","7","7","1") = "6"
    & skf21("1","6","4","6","4","1","1","1") = "5"
    & skf21("1","6","4","6","4","1","2","1") = "5"
    & skf21("1","6","4","6","4","1","3","1") = "5"
    & skf21("1","6","4","6","4","1","4","1") = "5"
    & skf21("1","6","4","6","4","1","5","1") = "5"
    & skf21("1","6","4","6","4","1","6","1") = "5"
    & skf21("1","6","4","6","4","1","7","1") = "6"
    & skf21("1","6","4","6","4","2","1","1") = "5"
    & skf21("1","6","4","6","4","2","2","1") = "5"
    & skf21("1","6","4","6","4","2","3","1") = "5"
    & skf21("1","6","4","6","4","2","4","1") = "5"
    & skf21("1","6","4","6","4","2","5","1") = "5"
    & skf21("1","6","4","6","4","2","6","1") = "5"
    & skf21("1","6","4","6","4","2","7","1") = "6"
    & skf21("1","6","4","6","4","3","1","1") = "5"
    & skf21("1","6","4","6","4","3","2","1") = "5"
    & skf21("1","6","4","6","4","3","3","1") = "5"
    & skf21("1","6","4","6","4","3","4","1") = "5"
    & skf21("1","6","4","6","4","3","5","1") = "5"
    & skf21("1","6","4","6","4","3","6","1") = "5"
    & skf21("1","6","4","6","4","3","7","1") = "6"
    & skf21("1","6","4","6","4","4","1","1") = "5"
    & skf21("1","6","4","6","4","4","2","1") = "5"
    & skf21("1","6","4","6","4","4","3","1") = "5"
    & skf21("1","6","4","6","4","4","4","1") = "5"
    & skf21("1","6","4","6","4","4","5","1") = "5"
    & skf21("1","6","4","6","4","4","6","1") = "5"
    & skf21("1","6","4","6","4","4","7","1") = "6"
    & skf21("1","6","4","6","4","5","1","1") = "5"
    & skf21("1","6","4","6","4","5","2","1") = "5"
    & skf21("1","6","4","6","4","5","3","1") = "5"
    & skf21("1","6","4","6","4","5","4","1") = "5"
    & skf21("1","6","4","6","4","5","5","1") = "5"
    & skf21("1","6","4","6","4","5","6","1") = "5"
    & skf21("1","6","4","6","4","5","7","1") = "6"
    & skf21("1","6","4","6","4","6","1","1") = "5"
    & skf21("1","6","4","6","4","6","2","1") = "5"
    & skf21("1","6","4","6","4","6","3","1") = "5"
    & skf21("1","6","4","6","4","6","4","1") = "5"
    & skf21("1","6","4","6","4","6","5","1") = "5"
    & skf21("1","6","4","6","4","6","6","1") = "5"
    & skf21("1","6","4","6","4","6","7","1") = "6"
    & skf21("1","6","4","6","4","7","1","1") = "6"
    & skf21("1","6","4","6","4","7","2","1") = "6"
    & skf21("1","6","4","6","4","7","3","1") = "6"
    & skf21("1","6","4","6","4","7","4","1") = "6"
    & skf21("1","6","4","6","4","7","5","1") = "6"
    & skf21("1","6","4","6","4","7","6","1") = "6"
    & skf21("1","6","4","6","4","7","7","1") = "6"
    & skf21("1","6","4","6","5","1","1","1") = "5"
    & skf21("1","6","4","6","5","1","2","1") = "5"
    & skf21("1","6","4","6","5","1","3","1") = "5"
    & skf21("1","6","4","6","5","1","4","1") = "5"
    & skf21("1","6","4","6","5","1","5","1") = "5"
    & skf21("1","6","4","6","5","1","6","1") = "5"
    & skf21("1","6","4","6","5","1","7","1") = "6"
    & skf21("1","6","4","6","5","2","1","1") = "5"
    & skf21("1","6","4","6","5","2","2","1") = "5"
    & skf21("1","6","4","6","5","2","3","1") = "5"
    & skf21("1","6","4","6","5","2","4","1") = "5"
    & skf21("1","6","4","6","5","2","5","1") = "5"
    & skf21("1","6","4","6","5","2","6","1") = "5"
    & skf21("1","6","4","6","5","2","7","1") = "6"
    & skf21("1","6","4","6","5","3","1","1") = "5"
    & skf21("1","6","4","6","5","3","2","1") = "5"
    & skf21("1","6","4","6","5","3","3","1") = "5"
    & skf21("1","6","4","6","5","3","4","1") = "5"
    & skf21("1","6","4","6","5","3","5","1") = "5"
    & skf21("1","6","4","6","5","3","6","1") = "5"
    & skf21("1","6","4","6","5","3","7","1") = "6"
    & skf21("1","6","4","6","5","4","1","1") = "5"
    & skf21("1","6","4","6","5","4","2","1") = "5"
    & skf21("1","6","4","6","5","4","3","1") = "5"
    & skf21("1","6","4","6","5","4","4","1") = "5"
    & skf21("1","6","4","6","5","4","5","1") = "5"
    & skf21("1","6","4","6","5","4","6","1") = "5"
    & skf21("1","6","4","6","5","4","7","1") = "6"
    & skf21("1","6","4","6","5","5","1","1") = "5"
    & skf21("1","6","4","6","5","5","2","1") = "5"
    & skf21("1","6","4","6","5","5","3","1") = "5"
    & skf21("1","6","4","6","5","5","4","1") = "5"
    & skf21("1","6","4","6","5","5","5","1") = "5"
    & skf21("1","6","4","6","5","5","6","1") = "5"
    & skf21("1","6","4","6","5","5","7","1") = "6"
    & skf21("1","6","4","6","5","6","1","1") = "5"
    & skf21("1","6","4","6","5","6","2","1") = "5"
    & skf21("1","6","4","6","5","6","3","1") = "5"
    & skf21("1","6","4","6","5","6","4","1") = "5"
    & skf21("1","6","4","6","5","6","5","1") = "5"
    & skf21("1","6","4","6","5","6","6","1") = "5"
    & skf21("1","6","4","6","5","6","7","1") = "6"
    & skf21("1","6","4","6","5","7","1","1") = "6"
    & skf21("1","6","4","6","5","7","2","1") = "6"
    & skf21("1","6","4","6","5","7","3","1") = "6"
    & skf21("1","6","4","6","5","7","4","1") = "6"
    & skf21("1","6","4","6","5","7","5","1") = "6"
    & skf21("1","6","4","6","5","7","6","1") = "6"
    & skf21("1","6","4","6","5","7","7","1") = "6"
    & skf21("1","6","4","6","6","1","1","1") = "5"
    & skf21("1","6","4","6","6","1","2","1") = "5"
    & skf21("1","6","4","6","6","1","3","1") = "5"
    & skf21("1","6","4","6","6","1","4","1") = "5"
    & skf21("1","6","4","6","6","1","5","1") = "5"
    & skf21("1","6","4","6","6","1","6","1") = "5"
    & skf21("1","6","4","6","6","1","7","1") = "6"
    & skf21("1","6","4","6","6","2","1","1") = "5"
    & skf21("1","6","4","6","6","2","2","1") = "5"
    & skf21("1","6","4","6","6","2","3","1") = "5"
    & skf21("1","6","4","6","6","2","4","1") = "5"
    & skf21("1","6","4","6","6","2","5","1") = "5"
    & skf21("1","6","4","6","6","2","6","1") = "5"
    & skf21("1","6","4","6","6","2","7","1") = "6"
    & skf21("1","6","4","6","6","3","1","1") = "5"
    & skf21("1","6","4","6","6","3","2","1") = "5"
    & skf21("1","6","4","6","6","3","3","1") = "5"
    & skf21("1","6","4","6","6","3","4","1") = "5"
    & skf21("1","6","4","6","6","3","5","1") = "5"
    & skf21("1","6","4","6","6","3","6","1") = "5"
    & skf21("1","6","4","6","6","3","7","1") = "6"
    & skf21("1","6","4","6","6","4","1","1") = "5"
    & skf21("1","6","4","6","6","4","2","1") = "5"
    & skf21("1","6","4","6","6","4","3","1") = "5"
    & skf21("1","6","4","6","6","4","4","1") = "5"
    & skf21("1","6","4","6","6","4","5","1") = "5"
    & skf21("1","6","4","6","6","4","6","1") = "5"
    & skf21("1","6","4","6","6","4","7","1") = "6"
    & skf21("1","6","4","6","6","5","1","1") = "5"
    & skf21("1","6","4","6","6","5","2","1") = "5"
    & skf21("1","6","4","6","6","5","3","1") = "5"
    & skf21("1","6","4","6","6","5","4","1") = "5"
    & skf21("1","6","4","6","6","5","5","1") = "5"
    & skf21("1","6","4","6","6","5","6","1") = "5"
    & skf21("1","6","4","6","6","5","7","1") = "6"
    & skf21("1","6","4","6","6","6","1","1") = "5"
    & skf21("1","6","4","6","6","6","2","1") = "5"
    & skf21("1","6","4","6","6","6","3","1") = "5"
    & skf21("1","6","4","6","6","6","4","1") = "5"
    & skf21("1","6","4","6","6","6","5","1") = "5"
    & skf21("1","6","4","6","6","6","6","1") = "5"
    & skf21("1","6","4","6","6","6","7","1") = "6"
    & skf21("1","6","4","6","6","7","1","1") = "6"
    & skf21("1","6","4","6","6","7","2","1") = "6"
    & skf21("1","6","4","6","6","7","3","1") = "6"
    & skf21("1","6","4","6","6","7","4","1") = "6"
    & skf21("1","6","4","6","6","7","5","1") = "6"
    & skf21("1","6","4","6","6","7","6","1") = "6"
    & skf21("1","6","4","6","6","7","7","1") = "6"
    & skf21("1","6","4","6","7","1","1","1") = "6"
    & skf21("1","6","4","6","7","1","2","1") = "6"
    & skf21("1","6","4","6","7","1","3","1") = "6"
    & skf21("1","6","4","6","7","1","4","1") = "6"
    & skf21("1","6","4","6","7","1","5","1") = "6"
    & skf21("1","6","4","6","7","1","6","1") = "6"
    & skf21("1","6","4","6","7","1","7","1") = "6"
    & skf21("1","6","4","6","7","2","1","1") = "6"
    & skf21("1","6","4","6","7","2","2","1") = "6"
    & skf21("1","6","4","6","7","2","3","1") = "6"
    & skf21("1","6","4","6","7","2","4","1") = "6"
    & skf21("1","6","4","6","7","2","5","1") = "6"
    & skf21("1","6","4","6","7","2","6","1") = "6"
    & skf21("1","6","4","6","7","2","7","1") = "6"
    & skf21("1","6","4","6","7","3","1","1") = "6"
    & skf21("1","6","4","6","7","3","2","1") = "6"
    & skf21("1","6","4","6","7","3","3","1") = "6"
    & skf21("1","6","4","6","7","3","4","1") = "6"
    & skf21("1","6","4","6","7","3","5","1") = "6"
    & skf21("1","6","4","6","7","3","6","1") = "6"
    & skf21("1","6","4","6","7","3","7","1") = "6"
    & skf21("1","6","4","6","7","4","1","1") = "6"
    & skf21("1","6","4","6","7","4","2","1") = "6"
    & skf21("1","6","4","6","7","4","3","1") = "6"
    & skf21("1","6","4","6","7","4","4","1") = "6"
    & skf21("1","6","4","6","7","4","5","1") = "6"
    & skf21("1","6","4","6","7","4","6","1") = "6"
    & skf21("1","6","4","6","7","4","7","1") = "6"
    & skf21("1","6","4","6","7","5","1","1") = "6"
    & skf21("1","6","4","6","7","5","2","1") = "6"
    & skf21("1","6","4","6","7","5","3","1") = "6"
    & skf21("1","6","4","6","7","5","4","1") = "6"
    & skf21("1","6","4","6","7","5","5","1") = "6"
    & skf21("1","6","4","6","7","5","6","1") = "6"
    & skf21("1","6","4","6","7","5","7","1") = "6"
    & skf21("1","6","4","6","7","6","1","1") = "6"
    & skf21("1","6","4","6","7","6","2","1") = "6"
    & skf21("1","6","4","6","7","6","3","1") = "6"
    & skf21("1","6","4","6","7","6","4","1") = "6"
    & skf21("1","6","4","6","7","6","5","1") = "6"
    & skf21("1","6","4","6","7","6","6","1") = "6"
    & skf21("1","6","4","6","7","6","7","1") = "6"
    & skf21("1","6","4","6","7","7","1","1") = "6"
    & skf21("1","6","4","6","7","7","2","1") = "6"
    & skf21("1","6","4","6","7","7","3","1") = "6"
    & skf21("1","6","4","6","7","7","4","1") = "6"
    & skf21("1","6","4","6","7","7","5","1") = "6"
    & skf21("1","6","4","6","7","7","6","1") = "6"
    & skf21("1","6","4","6","7","7","7","1") = "6"
    & skf21("1","6","4","7","1","1","1","1") = "6"
    & skf21("1","6","4","7","1","1","2","1") = "6"
    & skf21("1","6","4","7","1","1","3","1") = "6"
    & skf21("1","6","4","7","1","1","4","1") = "6"
    & skf21("1","6","4","7","1","1","5","1") = "6"
    & skf21("1","6","4","7","1","1","6","1") = "6"
    & skf21("1","6","4","7","1","1","7","1") = "6"
    & skf21("1","6","4","7","1","2","1","1") = "6"
    & skf21("1","6","4","7","1","2","2","1") = "6"
    & skf21("1","6","4","7","1","2","3","1") = "6"
    & skf21("1","6","4","7","1","2","4","1") = "6"
    & skf21("1","6","4","7","1","2","5","1") = "6"
    & skf21("1","6","4","7","1","2","6","1") = "6"
    & skf21("1","6","4","7","1","2","7","1") = "6"
    & skf21("1","6","4","7","1","3","1","1") = "6"
    & skf21("1","6","4","7","1","3","2","1") = "6"
    & skf21("1","6","4","7","1","3","3","1") = "6"
    & skf21("1","6","4","7","1","3","4","1") = "6"
    & skf21("1","6","4","7","1","3","5","1") = "6"
    & skf21("1","6","4","7","1","3","6","1") = "6"
    & skf21("1","6","4","7","1","3","7","1") = "6"
    & skf21("1","6","4","7","1","4","1","1") = "6"
    & skf21("1","6","4","7","1","4","2","1") = "6"
    & skf21("1","6","4","7","1","4","3","1") = "6"
    & skf21("1","6","4","7","1","4","4","1") = "6"
    & skf21("1","6","4","7","1","4","5","1") = "6"
    & skf21("1","6","4","7","1","4","6","1") = "6"
    & skf21("1","6","4","7","1","4","7","1") = "6"
    & skf21("1","6","4","7","1","5","1","1") = "6"
    & skf21("1","6","4","7","1","5","2","1") = "6"
    & skf21("1","6","4","7","1","5","3","1") = "6"
    & skf21("1","6","4","7","1","5","4","1") = "6"
    & skf21("1","6","4","7","1","5","5","1") = "6"
    & skf21("1","6","4","7","1","5","6","1") = "6"
    & skf21("1","6","4","7","1","5","7","1") = "6"
    & skf21("1","6","4","7","1","6","1","1") = "6"
    & skf21("1","6","4","7","1","6","2","1") = "6"
    & skf21("1","6","4","7","1","6","3","1") = "6"
    & skf21("1","6","4","7","1","6","4","1") = "6"
    & skf21("1","6","4","7","1","6","5","1") = "6"
    & skf21("1","6","4","7","1","6","6","1") = "6"
    & skf21("1","6","4","7","1","6","7","1") = "6"
    & skf21("1","6","4","7","1","7","1","1") = "6"
    & skf21("1","6","4","7","1","7","2","1") = "6"
    & skf21("1","6","4","7","1","7","3","1") = "6"
    & skf21("1","6","4","7","1","7","4","1") = "6"
    & skf21("1","6","4","7","1","7","5","1") = "6"
    & skf21("1","6","4","7","1","7","6","1") = "6"
    & skf21("1","6","4","7","1","7","7","1") = "6"
    & skf21("1","6","4","7","2","1","1","1") = "6"
    & skf21("1","6","4","7","2","1","2","1") = "6"
    & skf21("1","6","4","7","2","1","3","1") = "6"
    & skf21("1","6","4","7","2","1","4","1") = "6"
    & skf21("1","6","4","7","2","1","5","1") = "6"
    & skf21("1","6","4","7","2","1","6","1") = "6"
    & skf21("1","6","4","7","2","1","7","1") = "6"
    & skf21("1","6","4","7","2","2","1","1") = "6"
    & skf21("1","6","4","7","2","2","2","1") = "6"
    & skf21("1","6","4","7","2","2","3","1") = "6"
    & skf21("1","6","4","7","2","2","4","1") = "6"
    & skf21("1","6","4","7","2","2","5","1") = "6"
    & skf21("1","6","4","7","2","2","6","1") = "6"
    & skf21("1","6","4","7","2","2","7","1") = "6"
    & skf21("1","6","4","7","2","3","1","1") = "6"
    & skf21("1","6","4","7","2","3","2","1") = "6"
    & skf21("1","6","4","7","2","3","3","1") = "6"
    & skf21("1","6","4","7","2","3","4","1") = "6"
    & skf21("1","6","4","7","2","3","5","1") = "6"
    & skf21("1","6","4","7","2","3","6","1") = "6"
    & skf21("1","6","4","7","2","3","7","1") = "6"
    & skf21("1","6","4","7","2","4","1","1") = "6"
    & skf21("1","6","4","7","2","4","2","1") = "6"
    & skf21("1","6","4","7","2","4","3","1") = "6"
    & skf21("1","6","4","7","2","4","4","1") = "6"
    & skf21("1","6","4","7","2","4","5","1") = "6"
    & skf21("1","6","4","7","2","4","6","1") = "6"
    & skf21("1","6","4","7","2","4","7","1") = "6"
    & skf21("1","6","4","7","2","5","1","1") = "6"
    & skf21("1","6","4","7","2","5","2","1") = "6"
    & skf21("1","6","4","7","2","5","3","1") = "6"
    & skf21("1","6","4","7","2","5","4","1") = "6"
    & skf21("1","6","4","7","2","5","5","1") = "6"
    & skf21("1","6","4","7","2","5","6","1") = "6"
    & skf21("1","6","4","7","2","5","7","1") = "6"
    & skf21("1","6","4","7","2","6","1","1") = "6"
    & skf21("1","6","4","7","2","6","2","1") = "6"
    & skf21("1","6","4","7","2","6","3","1") = "6"
    & skf21("1","6","4","7","2","6","4","1") = "6"
    & skf21("1","6","4","7","2","6","5","1") = "6"
    & skf21("1","6","4","7","2","6","6","1") = "6"
    & skf21("1","6","4","7","2","6","7","1") = "6"
    & skf21("1","6","4","7","2","7","1","1") = "6"
    & skf21("1","6","4","7","2","7","2","1") = "6"
    & skf21("1","6","4","7","2","7","3","1") = "6"
    & skf21("1","6","4","7","2","7","4","1") = "6"
    & skf21("1","6","4","7","2","7","5","1") = "6"
    & skf21("1","6","4","7","2","7","6","1") = "6"
    & skf21("1","6","4","7","2","7","7","1") = "6"
    & skf21("1","6","4","7","3","1","1","1") = "6"
    & skf21("1","6","4","7","3","1","2","1") = "6"
    & skf21("1","6","4","7","3","1","3","1") = "6"
    & skf21("1","6","4","7","3","1","4","1") = "6"
    & skf21("1","6","4","7","3","1","5","1") = "6"
    & skf21("1","6","4","7","3","1","6","1") = "6"
    & skf21("1","6","4","7","3","1","7","1") = "6"
    & skf21("1","6","4","7","3","2","1","1") = "6"
    & skf21("1","6","4","7","3","2","2","1") = "6"
    & skf21("1","6","4","7","3","2","3","1") = "6"
    & skf21("1","6","4","7","3","2","4","1") = "6"
    & skf21("1","6","4","7","3","2","5","1") = "6"
    & skf21("1","6","4","7","3","2","6","1") = "6"
    & skf21("1","6","4","7","3","2","7","1") = "6"
    & skf21("1","6","4","7","3","3","1","1") = "6"
    & skf21("1","6","4","7","3","3","2","1") = "6"
    & skf21("1","6","4","7","3","3","3","1") = "6"
    & skf21("1","6","4","7","3","3","4","1") = "6"
    & skf21("1","6","4","7","3","3","5","1") = "6"
    & skf21("1","6","4","7","3","3","6","1") = "6"
    & skf21("1","6","4","7","3","3","7","1") = "6"
    & skf21("1","6","4","7","3","4","1","1") = "6"
    & skf21("1","6","4","7","3","4","2","1") = "6"
    & skf21("1","6","4","7","3","4","3","1") = "6"
    & skf21("1","6","4","7","3","4","4","1") = "6"
    & skf21("1","6","4","7","3","4","5","1") = "6"
    & skf21("1","6","4","7","3","4","6","1") = "6"
    & skf21("1","6","4","7","3","4","7","1") = "6"
    & skf21("1","6","4","7","3","5","1","1") = "6"
    & skf21("1","6","4","7","3","5","2","1") = "6"
    & skf21("1","6","4","7","3","5","3","1") = "6"
    & skf21("1","6","4","7","3","5","4","1") = "6"
    & skf21("1","6","4","7","3","5","5","1") = "6"
    & skf21("1","6","4","7","3","5","6","1") = "6"
    & skf21("1","6","4","7","3","5","7","1") = "6"
    & skf21("1","6","4","7","3","6","1","1") = "6"
    & skf21("1","6","4","7","3","6","2","1") = "6"
    & skf21("1","6","4","7","3","6","3","1") = "6"
    & skf21("1","6","4","7","3","6","4","1") = "6"
    & skf21("1","6","4","7","3","6","5","1") = "6"
    & skf21("1","6","4","7","3","6","6","1") = "6"
    & skf21("1","6","4","7","3","6","7","1") = "6"
    & skf21("1","6","4","7","3","7","1","1") = "6"
    & skf21("1","6","4","7","3","7","2","1") = "6"
    & skf21("1","6","4","7","3","7","3","1") = "6"
    & skf21("1","6","4","7","3","7","4","1") = "6"
    & skf21("1","6","4","7","3","7","5","1") = "6"
    & skf21("1","6","4","7","3","7","6","1") = "6"
    & skf21("1","6","4","7","3","7","7","1") = "6"
    & skf21("1","6","4","7","4","1","1","1") = "6"
    & skf21("1","6","4","7","4","1","2","1") = "6"
    & skf21("1","6","4","7","4","1","3","1") = "6"
    & skf21("1","6","4","7","4","1","4","1") = "6"
    & skf21("1","6","4","7","4","1","5","1") = "6"
    & skf21("1","6","4","7","4","1","6","1") = "6"
    & skf21("1","6","4","7","4","1","7","1") = "6"
    & skf21("1","6","4","7","4","2","1","1") = "6"
    & skf21("1","6","4","7","4","2","2","1") = "6"
    & skf21("1","6","4","7","4","2","3","1") = "6"
    & skf21("1","6","4","7","4","2","4","1") = "6"
    & skf21("1","6","4","7","4","2","5","1") = "6"
    & skf21("1","6","4","7","4","2","6","1") = "6"
    & skf21("1","6","4","7","4","2","7","1") = "6"
    & skf21("1","6","4","7","4","3","1","1") = "6"
    & skf21("1","6","4","7","4","3","2","1") = "6"
    & skf21("1","6","4","7","4","3","3","1") = "6"
    & skf21("1","6","4","7","4","3","4","1") = "6"
    & skf21("1","6","4","7","4","3","5","1") = "6"
    & skf21("1","6","4","7","4","3","6","1") = "6"
    & skf21("1","6","4","7","4","3","7","1") = "6"
    & skf21("1","6","4","7","4","4","1","1") = "6"
    & skf21("1","6","4","7","4","4","2","1") = "6"
    & skf21("1","6","4","7","4","4","3","1") = "6"
    & skf21("1","6","4","7","4","4","4","1") = "6"
    & skf21("1","6","4","7","4","4","5","1") = "6"
    & skf21("1","6","4","7","4","4","6","1") = "6"
    & skf21("1","6","4","7","4","4","7","1") = "6"
    & skf21("1","6","4","7","4","5","1","1") = "6"
    & skf21("1","6","4","7","4","5","2","1") = "6"
    & skf21("1","6","4","7","4","5","3","1") = "6"
    & skf21("1","6","4","7","4","5","4","1") = "6"
    & skf21("1","6","4","7","4","5","5","1") = "6"
    & skf21("1","6","4","7","4","5","6","1") = "6"
    & skf21("1","6","4","7","4","5","7","1") = "6"
    & skf21("1","6","4","7","4","6","1","1") = "6"
    & skf21("1","6","4","7","4","6","2","1") = "6"
    & skf21("1","6","4","7","4","6","3","1") = "6"
    & skf21("1","6","4","7","4","6","4","1") = "6"
    & skf21("1","6","4","7","4","6","5","1") = "6"
    & skf21("1","6","4","7","4","6","6","1") = "6"
    & skf21("1","6","4","7","4","6","7","1") = "6"
    & skf21("1","6","4","7","4","7","1","1") = "6"
    & skf21("1","6","4","7","4","7","2","1") = "6"
    & skf21("1","6","4","7","4","7","3","1") = "6"
    & skf21("1","6","4","7","4","7","4","1") = "6"
    & skf21("1","6","4","7","4","7","5","1") = "6"
    & skf21("1","6","4","7","4","7","6","1") = "6"
    & skf21("1","6","4","7","4","7","7","1") = "6"
    & skf21("1","6","4","7","5","1","1","1") = "6"
    & skf21("1","6","4","7","5","1","2","1") = "6"
    & skf21("1","6","4","7","5","1","3","1") = "6"
    & skf21("1","6","4","7","5","1","4","1") = "6"
    & skf21("1","6","4","7","5","1","5","1") = "6"
    & skf21("1","6","4","7","5","1","6","1") = "6"
    & skf21("1","6","4","7","5","1","7","1") = "6"
    & skf21("1","6","4","7","5","2","1","1") = "6"
    & skf21("1","6","4","7","5","2","2","1") = "6"
    & skf21("1","6","4","7","5","2","3","1") = "6"
    & skf21("1","6","4","7","5","2","4","1") = "6"
    & skf21("1","6","4","7","5","2","5","1") = "6"
    & skf21("1","6","4","7","5","2","6","1") = "6"
    & skf21("1","6","4","7","5","2","7","1") = "6"
    & skf21("1","6","4","7","5","3","1","1") = "6"
    & skf21("1","6","4","7","5","3","2","1") = "6"
    & skf21("1","6","4","7","5","3","3","1") = "6"
    & skf21("1","6","4","7","5","3","4","1") = "6"
    & skf21("1","6","4","7","5","3","5","1") = "6"
    & skf21("1","6","4","7","5","3","6","1") = "6"
    & skf21("1","6","4","7","5","3","7","1") = "6"
    & skf21("1","6","4","7","5","4","1","1") = "6"
    & skf21("1","6","4","7","5","4","2","1") = "6"
    & skf21("1","6","4","7","5","4","3","1") = "6"
    & skf21("1","6","4","7","5","4","4","1") = "6"
    & skf21("1","6","4","7","5","4","5","1") = "6"
    & skf21("1","6","4","7","5","4","6","1") = "6"
    & skf21("1","6","4","7","5","4","7","1") = "6"
    & skf21("1","6","4","7","5","5","1","1") = "6"
    & skf21("1","6","4","7","5","5","2","1") = "6"
    & skf21("1","6","4","7","5","5","3","1") = "6"
    & skf21("1","6","4","7","5","5","4","1") = "6"
    & skf21("1","6","4","7","5","5","5","1") = "6"
    & skf21("1","6","4","7","5","5","6","1") = "6"
    & skf21("1","6","4","7","5","5","7","1") = "6"
    & skf21("1","6","4","7","5","6","1","1") = "6"
    & skf21("1","6","4","7","5","6","2","1") = "6"
    & skf21("1","6","4","7","5","6","3","1") = "6"
    & skf21("1","6","4","7","5","6","4","1") = "6"
    & skf21("1","6","4","7","5","6","5","1") = "6"
    & skf21("1","6","4","7","5","6","6","1") = "6"
    & skf21("1","6","4","7","5","6","7","1") = "6"
    & skf21("1","6","4","7","5","7","1","1") = "6"
    & skf21("1","6","4","7","5","7","2","1") = "6"
    & skf21("1","6","4","7","5","7","3","1") = "6"
    & skf21("1","6","4","7","5","7","4","1") = "6"
    & skf21("1","6","4","7","5","7","5","1") = "6"
    & skf21("1","6","4","7","5","7","6","1") = "6"
    & skf21("1","6","4","7","5","7","7","1") = "6"
    & skf21("1","6","4","7","6","1","1","1") = "6"
    & skf21("1","6","4","7","6","1","2","1") = "6"
    & skf21("1","6","4","7","6","1","3","1") = "6"
    & skf21("1","6","4","7","6","1","4","1") = "6"
    & skf21("1","6","4","7","6","1","5","1") = "6"
    & skf21("1","6","4","7","6","1","6","1") = "6"
    & skf21("1","6","4","7","6","1","7","1") = "6"
    & skf21("1","6","4","7","6","2","1","1") = "6"
    & skf21("1","6","4","7","6","2","2","1") = "6"
    & skf21("1","6","4","7","6","2","3","1") = "6"
    & skf21("1","6","4","7","6","2","4","1") = "6"
    & skf21("1","6","4","7","6","2","5","1") = "6"
    & skf21("1","6","4","7","6","2","6","1") = "6"
    & skf21("1","6","4","7","6","2","7","1") = "6"
    & skf21("1","6","4","7","6","3","1","1") = "6"
    & skf21("1","6","4","7","6","3","2","1") = "6"
    & skf21("1","6","4","7","6","3","3","1") = "6"
    & skf21("1","6","4","7","6","3","4","1") = "6"
    & skf21("1","6","4","7","6","3","5","1") = "6"
    & skf21("1","6","4","7","6","3","6","1") = "6"
    & skf21("1","6","4","7","6","3","7","1") = "6"
    & skf21("1","6","4","7","6","4","1","1") = "6"
    & skf21("1","6","4","7","6","4","2","1") = "6"
    & skf21("1","6","4","7","6","4","3","1") = "6"
    & skf21("1","6","4","7","6","4","4","1") = "6"
    & skf21("1","6","4","7","6","4","5","1") = "6"
    & skf21("1","6","4","7","6","4","6","1") = "6"
    & skf21("1","6","4","7","6","4","7","1") = "6"
    & skf21("1","6","4","7","6","5","1","1") = "6"
    & skf21("1","6","4","7","6","5","2","1") = "6"
    & skf21("1","6","4","7","6","5","3","1") = "6"
    & skf21("1","6","4","7","6","5","4","1") = "6"
    & skf21("1","6","4","7","6","5","5","1") = "6"
    & skf21("1","6","4","7","6","5","6","1") = "6"
    & skf21("1","6","4","7","6","5","7","1") = "6"
    & skf21("1","6","4","7","6","6","1","1") = "6"
    & skf21("1","6","4","7","6","6","2","1") = "6"
    & skf21("1","6","4","7","6","6","3","1") = "6"
    & skf21("1","6","4","7","6","6","4","1") = "6"
    & skf21("1","6","4","7","6","6","5","1") = "6"
    & skf21("1","6","4","7","6","6","6","1") = "6"
    & skf21("1","6","4","7","6","6","7","1") = "6"
    & skf21("1","6","4","7","6","7","1","1") = "6"
    & skf21("1","6","4","7","6","7","2","1") = "6"
    & skf21("1","6","4","7","6","7","3","1") = "6"
    & skf21("1","6","4","7","6","7","4","1") = "6"
    & skf21("1","6","4","7","6","7","5","1") = "6"
    & skf21("1","6","4","7","6","7","6","1") = "6"
    & skf21("1","6","4","7","6","7","7","1") = "6"
    & skf21("1","6","4","7","7","1","1","1") = "6"
    & skf21("1","6","4","7","7","1","2","1") = "6"
    & skf21("1","6","4","7","7","1","3","1") = "6"
    & skf21("1","6","4","7","7","1","4","1") = "6"
    & skf21("1","6","4","7","7","1","5","1") = "6"
    & skf21("1","6","4","7","7","1","6","1") = "6"
    & skf21("1","6","4","7","7","1","7","1") = "6"
    & skf21("1","6","4","7","7","2","1","1") = "6"
    & skf21("1","6","4","7","7","2","2","1") = "6"
    & skf21("1","6","4","7","7","2","3","1") = "6"
    & skf21("1","6","4","7","7","2","4","1") = "6"
    & skf21("1","6","4","7","7","2","5","1") = "6"
    & skf21("1","6","4","7","7","2","6","1") = "6"
    & skf21("1","6","4","7","7","2","7","1") = "6"
    & skf21("1","6","4","7","7","3","1","1") = "6"
    & skf21("1","6","4","7","7","3","2","1") = "6"
    & skf21("1","6","4","7","7","3","3","1") = "6"
    & skf21("1","6","4","7","7","3","4","1") = "6"
    & skf21("1","6","4","7","7","3","5","1") = "6"
    & skf21("1","6","4","7","7","3","6","1") = "6"
    & skf21("1","6","4","7","7","3","7","1") = "6"
    & skf21("1","6","4","7","7","4","1","1") = "6"
    & skf21("1","6","4","7","7","4","2","1") = "6"
    & skf21("1","6","4","7","7","4","3","1") = "6"
    & skf21("1","6","4","7","7","4","4","1") = "6"
    & skf21("1","6","4","7","7","4","5","1") = "6"
    & skf21("1","6","4","7","7","4","6","1") = "6"
    & skf21("1","6","4","7","7","4","7","1") = "6"
    & skf21("1","6","4","7","7","5","1","1") = "6"
    & skf21("1","6","4","7","7","5","2","1") = "6"
    & skf21("1","6","4","7","7","5","3","1") = "6"
    & skf21("1","6","4","7","7","5","4","1") = "6"
    & skf21("1","6","4","7","7","5","5","1") = "6"
    & skf21("1","6","4","7","7","5","6","1") = "6"
    & skf21("1","6","4","7","7","5","7","1") = "6"
    & skf21("1","6","4","7","7","6","1","1") = "6"
    & skf21("1","6","4","7","7","6","2","1") = "6"
    & skf21("1","6","4","7","7","6","3","1") = "6"
    & skf21("1","6","4","7","7","6","4","1") = "6"
    & skf21("1","6","4","7","7","6","5","1") = "6"
    & skf21("1","6","4","7","7","6","6","1") = "6"
    & skf21("1","6","4","7","7","6","7","1") = "6"
    & skf21("1","6","4","7","7","7","1","1") = "6"
    & skf21("1","6","4","7","7","7","2","1") = "6"
    & skf21("1","6","4","7","7","7","3","1") = "6"
    & skf21("1","6","4","7","7","7","4","1") = "6"
    & skf21("1","6","4","7","7","7","5","1") = "6"
    & skf21("1","6","4","7","7","7","6","1") = "6"
    & skf21("1","6","4","7","7","7","7","1") = "6"
    & skf21("1","6","5","1","1","1","1","1") = "5"
    & skf21("1","6","5","1","1","1","2","1") = "5"
    & skf21("1","6","5","1","1","1","3","1") = "5"
    & skf21("1","6","5","1","1","1","4","1") = "5"
    & skf21("1","6","5","1","1","1","5","1") = "5"
    & skf21("1","6","5","1","1","1","6","1") = "5"
    & skf21("1","6","5","1","1","1","7","1") = "6"
    & skf21("1","6","5","1","1","2","1","1") = "5"
    & skf21("1","6","5","1","1","2","2","1") = "5"
    & skf21("1","6","5","1","1","2","3","1") = "5"
    & skf21("1","6","5","1","1","2","4","1") = "5"
    & skf21("1","6","5","1","1","2","5","1") = "5"
    & skf21("1","6","5","1","1","2","6","1") = "5"
    & skf21("1","6","5","1","1","2","7","1") = "6"
    & skf21("1","6","5","1","1","3","1","1") = "5"
    & skf21("1","6","5","1","1","3","2","1") = "5"
    & skf21("1","6","5","1","1","3","3","1") = "5"
    & skf21("1","6","5","1","1","3","4","1") = "5"
    & skf21("1","6","5","1","1","3","5","1") = "5"
    & skf21("1","6","5","1","1","3","6","1") = "5"
    & skf21("1","6","5","1","1","3","7","1") = "6"
    & skf21("1","6","5","1","1","4","1","1") = "5"
    & skf21("1","6","5","1","1","4","2","1") = "5"
    & skf21("1","6","5","1","1","4","3","1") = "5"
    & skf21("1","6","5","1","1","4","4","1") = "5"
    & skf21("1","6","5","1","1","4","5","1") = "5"
    & skf21("1","6","5","1","1","4","6","1") = "5"
    & skf21("1","6","5","1","1","4","7","1") = "6"
    & skf21("1","6","5","1","1","5","1","1") = "5"
    & skf21("1","6","5","1","1","5","2","1") = "5"
    & skf21("1","6","5","1","1","5","3","1") = "5"
    & skf21("1","6","5","1","1","5","4","1") = "5"
    & skf21("1","6","5","1","1","5","5","1") = "5"
    & skf21("1","6","5","1","1","5","6","1") = "5"
    & skf21("1","6","5","1","1","5","7","1") = "6"
    & skf21("1","6","5","1","1","6","1","1") = "5"
    & skf21("1","6","5","1","1","6","2","1") = "5"
    & skf21("1","6","5","1","1","6","3","1") = "5"
    & skf21("1","6","5","1","1","6","4","1") = "5"
    & skf21("1","6","5","1","1","6","5","1") = "5"
    & skf21("1","6","5","1","1","6","6","1") = "5"
    & skf21("1","6","5","1","1","6","7","1") = "6"
    & skf21("1","6","5","1","1","7","1","1") = "6"
    & skf21("1","6","5","1","1","7","2","1") = "6"
    & skf21("1","6","5","1","1","7","3","1") = "6"
    & skf21("1","6","5","1","1","7","4","1") = "6"
    & skf21("1","6","5","1","1","7","5","1") = "6"
    & skf21("1","6","5","1","1","7","6","1") = "6"
    & skf21("1","6","5","1","1","7","7","1") = "6"
    & skf21("1","6","5","1","2","1","1","1") = "5"
    & skf21("1","6","5","1","2","1","2","1") = "5"
    & skf21("1","6","5","1","2","1","3","1") = "5"
    & skf21("1","6","5","1","2","1","4","1") = "5"
    & skf21("1","6","5","1","2","1","5","1") = "5"
    & skf21("1","6","5","1","2","1","6","1") = "5"
    & skf21("1","6","5","1","2","1","7","1") = "6"
    & skf21("1","6","5","1","2","2","1","1") = "5"
    & skf21("1","6","5","1","2","2","2","1") = "5"
    & skf21("1","6","5","1","2","2","3","1") = "5"
    & skf21("1","6","5","1","2","2","4","1") = "5"
    & skf21("1","6","5","1","2","2","5","1") = "5"
    & skf21("1","6","5","1","2","2","6","1") = "5"
    & skf21("1","6","5","1","2","2","7","1") = "6"
    & skf21("1","6","5","1","2","3","1","1") = "5"
    & skf21("1","6","5","1","2","3","2","1") = "5"
    & skf21("1","6","5","1","2","3","3","1") = "5"
    & skf21("1","6","5","1","2","3","4","1") = "5"
    & skf21("1","6","5","1","2","3","5","1") = "5"
    & skf21("1","6","5","1","2","3","6","1") = "5"
    & skf21("1","6","5","1","2","3","7","1") = "6"
    & skf21("1","6","5","1","2","4","1","1") = "5"
    & skf21("1","6","5","1","2","4","2","1") = "5"
    & skf21("1","6","5","1","2","4","3","1") = "5"
    & skf21("1","6","5","1","2","4","4","1") = "5"
    & skf21("1","6","5","1","2","4","5","1") = "5"
    & skf21("1","6","5","1","2","4","6","1") = "5"
    & skf21("1","6","5","1","2","4","7","1") = "6"
    & skf21("1","6","5","1","2","5","1","1") = "5"
    & skf21("1","6","5","1","2","5","2","1") = "5"
    & skf21("1","6","5","1","2","5","3","1") = "5"
    & skf21("1","6","5","1","2","5","4","1") = "5"
    & skf21("1","6","5","1","2","5","5","1") = "5"
    & skf21("1","6","5","1","2","5","6","1") = "5"
    & skf21("1","6","5","1","2","5","7","1") = "6"
    & skf21("1","6","5","1","2","6","1","1") = "5"
    & skf21("1","6","5","1","2","6","2","1") = "5"
    & skf21("1","6","5","1","2","6","3","1") = "5"
    & skf21("1","6","5","1","2","6","4","1") = "5"
    & skf21("1","6","5","1","2","6","5","1") = "5"
    & skf21("1","6","5","1","2","6","6","1") = "5"
    & skf21("1","6","5","1","2","6","7","1") = "6"
    & skf21("1","6","5","1","2","7","1","1") = "6"
    & skf21("1","6","5","1","2","7","2","1") = "6"
    & skf21("1","6","5","1","2","7","3","1") = "6"
    & skf21("1","6","5","1","2","7","4","1") = "6"
    & skf21("1","6","5","1","2","7","5","1") = "6"
    & skf21("1","6","5","1","2","7","6","1") = "6"
    & skf21("1","6","5","1","2","7","7","1") = "6"
    & skf21("1","6","5","1","3","1","1","1") = "5"
    & skf21("1","6","5","1","3","1","2","1") = "5"
    & skf21("1","6","5","1","3","1","3","1") = "5"
    & skf21("1","6","5","1","3","1","4","1") = "5"
    & skf21("1","6","5","1","3","1","5","1") = "5"
    & skf21("1","6","5","1","3","1","6","1") = "5"
    & skf21("1","6","5","1","3","1","7","1") = "6"
    & skf21("1","6","5","1","3","2","1","1") = "5"
    & skf21("1","6","5","1","3","2","2","1") = "5"
    & skf21("1","6","5","1","3","2","3","1") = "5"
    & skf21("1","6","5","1","3","2","4","1") = "5"
    & skf21("1","6","5","1","3","2","5","1") = "5"
    & skf21("1","6","5","1","3","2","6","1") = "5"
    & skf21("1","6","5","1","3","2","7","1") = "6"
    & skf21("1","6","5","1","3","3","1","1") = "5"
    & skf21("1","6","5","1","3","3","2","1") = "5"
    & skf21("1","6","5","1","3","3","3","1") = "5"
    & skf21("1","6","5","1","3","3","4","1") = "5"
    & skf21("1","6","5","1","3","3","5","1") = "5"
    & skf21("1","6","5","1","3","3","6","1") = "5"
    & skf21("1","6","5","1","3","3","7","1") = "6"
    & skf21("1","6","5","1","3","4","1","1") = "5"
    & skf21("1","6","5","1","3","4","2","1") = "5"
    & skf21("1","6","5","1","3","4","3","1") = "5"
    & skf21("1","6","5","1","3","4","4","1") = "5"
    & skf21("1","6","5","1","3","4","5","1") = "5"
    & skf21("1","6","5","1","3","4","6","1") = "5"
    & skf21("1","6","5","1","3","4","7","1") = "6"
    & skf21("1","6","5","1","3","5","1","1") = "5"
    & skf21("1","6","5","1","3","5","2","1") = "5"
    & skf21("1","6","5","1","3","5","3","1") = "5"
    & skf21("1","6","5","1","3","5","4","1") = "5"
    & skf21("1","6","5","1","3","5","5","1") = "5"
    & skf21("1","6","5","1","3","5","6","1") = "5"
    & skf21("1","6","5","1","3","5","7","1") = "6"
    & skf21("1","6","5","1","3","6","1","1") = "5"
    & skf21("1","6","5","1","3","6","2","1") = "5"
    & skf21("1","6","5","1","3","6","3","1") = "5"
    & skf21("1","6","5","1","3","6","4","1") = "5"
    & skf21("1","6","5","1","3","6","5","1") = "5"
    & skf21("1","6","5","1","3","6","6","1") = "5"
    & skf21("1","6","5","1","3","6","7","1") = "6"
    & skf21("1","6","5","1","3","7","1","1") = "6"
    & skf21("1","6","5","1","3","7","2","1") = "6"
    & skf21("1","6","5","1","3","7","3","1") = "6"
    & skf21("1","6","5","1","3","7","4","1") = "6"
    & skf21("1","6","5","1","3","7","5","1") = "6"
    & skf21("1","6","5","1","3","7","6","1") = "6"
    & skf21("1","6","5","1","3","7","7","1") = "6"
    & skf21("1","6","5","1","4","1","1","1") = "5"
    & skf21("1","6","5","1","4","1","2","1") = "5"
    & skf21("1","6","5","1","4","1","3","1") = "5"
    & skf21("1","6","5","1","4","1","4","1") = "5"
    & skf21("1","6","5","1","4","1","5","1") = "5"
    & skf21("1","6","5","1","4","1","6","1") = "5"
    & skf21("1","6","5","1","4","1","7","1") = "6"
    & skf21("1","6","5","1","4","2","1","1") = "5"
    & skf21("1","6","5","1","4","2","2","1") = "5"
    & skf21("1","6","5","1","4","2","3","1") = "5"
    & skf21("1","6","5","1","4","2","4","1") = "5"
    & skf21("1","6","5","1","4","2","5","1") = "5"
    & skf21("1","6","5","1","4","2","6","1") = "5"
    & skf21("1","6","5","1","4","2","7","1") = "6"
    & skf21("1","6","5","1","4","3","1","1") = "5"
    & skf21("1","6","5","1","4","3","2","1") = "5"
    & skf21("1","6","5","1","4","3","3","1") = "5"
    & skf21("1","6","5","1","4","3","4","1") = "5"
    & skf21("1","6","5","1","4","3","5","1") = "5"
    & skf21("1","6","5","1","4","3","6","1") = "5"
    & skf21("1","6","5","1","4","3","7","1") = "6"
    & skf21("1","6","5","1","4","4","1","1") = "5"
    & skf21("1","6","5","1","4","4","2","1") = "5"
    & skf21("1","6","5","1","4","4","3","1") = "5"
    & skf21("1","6","5","1","4","4","4","1") = "5"
    & skf21("1","6","5","1","4","4","5","1") = "5"
    & skf21("1","6","5","1","4","4","6","1") = "5"
    & skf21("1","6","5","1","4","4","7","1") = "6"
    & skf21("1","6","5","1","4","5","1","1") = "5"
    & skf21("1","6","5","1","4","5","2","1") = "5"
    & skf21("1","6","5","1","4","5","3","1") = "5"
    & skf21("1","6","5","1","4","5","4","1") = "5"
    & skf21("1","6","5","1","4","5","5","1") = "5"
    & skf21("1","6","5","1","4","5","6","1") = "5"
    & skf21("1","6","5","1","4","5","7","1") = "6"
    & skf21("1","6","5","1","4","6","1","1") = "5"
    & skf21("1","6","5","1","4","6","2","1") = "5"
    & skf21("1","6","5","1","4","6","3","1") = "5"
    & skf21("1","6","5","1","4","6","4","1") = "5"
    & skf21("1","6","5","1","4","6","5","1") = "5"
    & skf21("1","6","5","1","4","6","6","1") = "5"
    & skf21("1","6","5","1","4","6","7","1") = "6"
    & skf21("1","6","5","1","4","7","1","1") = "6"
    & skf21("1","6","5","1","4","7","2","1") = "6"
    & skf21("1","6","5","1","4","7","3","1") = "6"
    & skf21("1","6","5","1","4","7","4","1") = "6"
    & skf21("1","6","5","1","4","7","5","1") = "6"
    & skf21("1","6","5","1","4","7","6","1") = "6"
    & skf21("1","6","5","1","4","7","7","1") = "6"
    & skf21("1","6","5","1","5","1","1","1") = "5"
    & skf21("1","6","5","1","5","1","2","1") = "5"
    & skf21("1","6","5","1","5","1","3","1") = "5"
    & skf21("1","6","5","1","5","1","4","1") = "5"
    & skf21("1","6","5","1","5","1","5","1") = "5"
    & skf21("1","6","5","1","5","1","6","1") = "5"
    & skf21("1","6","5","1","5","1","7","1") = "6"
    & skf21("1","6","5","1","5","2","1","1") = "5"
    & skf21("1","6","5","1","5","2","2","1") = "5"
    & skf21("1","6","5","1","5","2","3","1") = "5"
    & skf21("1","6","5","1","5","2","4","1") = "5"
    & skf21("1","6","5","1","5","2","5","1") = "5"
    & skf21("1","6","5","1","5","2","6","1") = "5"
    & skf21("1","6","5","1","5","2","7","1") = "6"
    & skf21("1","6","5","1","5","3","1","1") = "5"
    & skf21("1","6","5","1","5","3","2","1") = "5"
    & skf21("1","6","5","1","5","3","3","1") = "5"
    & skf21("1","6","5","1","5","3","4","1") = "5"
    & skf21("1","6","5","1","5","3","5","1") = "5"
    & skf21("1","6","5","1","5","3","6","1") = "5"
    & skf21("1","6","5","1","5","3","7","1") = "6"
    & skf21("1","6","5","1","5","4","1","1") = "5"
    & skf21("1","6","5","1","5","4","2","1") = "5"
    & skf21("1","6","5","1","5","4","3","1") = "5"
    & skf21("1","6","5","1","5","4","4","1") = "5"
    & skf21("1","6","5","1","5","4","5","1") = "5"
    & skf21("1","6","5","1","5","4","6","1") = "5"
    & skf21("1","6","5","1","5","4","7","1") = "6"
    & skf21("1","6","5","1","5","5","1","1") = "5"
    & skf21("1","6","5","1","5","5","2","1") = "5"
    & skf21("1","6","5","1","5","5","3","1") = "5"
    & skf21("1","6","5","1","5","5","4","1") = "5"
    & skf21("1","6","5","1","5","5","5","1") = "5"
    & skf21("1","6","5","1","5","5","6","1") = "5"
    & skf21("1","6","5","1","5","5","7","1") = "6"
    & skf21("1","6","5","1","5","6","1","1") = "5"
    & skf21("1","6","5","1","5","6","2","1") = "5"
    & skf21("1","6","5","1","5","6","3","1") = "5"
    & skf21("1","6","5","1","5","6","4","1") = "5"
    & skf21("1","6","5","1","5","6","5","1") = "5"
    & skf21("1","6","5","1","5","6","6","1") = "5"
    & skf21("1","6","5","1","5","6","7","1") = "6"
    & skf21("1","6","5","1","5","7","1","1") = "6"
    & skf21("1","6","5","1","5","7","2","1") = "6"
    & skf21("1","6","5","1","5","7","3","1") = "6"
    & skf21("1","6","5","1","5","7","4","1") = "6"
    & skf21("1","6","5","1","5","7","5","1") = "6"
    & skf21("1","6","5","1","5","7","6","1") = "6"
    & skf21("1","6","5","1","5","7","7","1") = "6"
    & skf21("1","6","5","1","6","1","1","1") = "5"
    & skf21("1","6","5","1","6","1","2","1") = "5"
    & skf21("1","6","5","1","6","1","3","1") = "5"
    & skf21("1","6","5","1","6","1","4","1") = "5"
    & skf21("1","6","5","1","6","1","5","1") = "5"
    & skf21("1","6","5","1","6","1","6","1") = "5"
    & skf21("1","6","5","1","6","1","7","1") = "6"
    & skf21("1","6","5","1","6","2","1","1") = "5"
    & skf21("1","6","5","1","6","2","2","1") = "5"
    & skf21("1","6","5","1","6","2","3","1") = "5"
    & skf21("1","6","5","1","6","2","4","1") = "5"
    & skf21("1","6","5","1","6","2","5","1") = "5"
    & skf21("1","6","5","1","6","2","6","1") = "5"
    & skf21("1","6","5","1","6","2","7","1") = "6"
    & skf21("1","6","5","1","6","3","1","1") = "5"
    & skf21("1","6","5","1","6","3","2","1") = "5"
    & skf21("1","6","5","1","6","3","3","1") = "5"
    & skf21("1","6","5","1","6","3","4","1") = "5"
    & skf21("1","6","5","1","6","3","5","1") = "5"
    & skf21("1","6","5","1","6","3","6","1") = "5"
    & skf21("1","6","5","1","6","3","7","1") = "6"
    & skf21("1","6","5","1","6","4","1","1") = "5"
    & skf21("1","6","5","1","6","4","2","1") = "5"
    & skf21("1","6","5","1","6","4","3","1") = "5"
    & skf21("1","6","5","1","6","4","4","1") = "5"
    & skf21("1","6","5","1","6","4","5","1") = "5"
    & skf21("1","6","5","1","6","4","6","1") = "5"
    & skf21("1","6","5","1","6","4","7","1") = "6"
    & skf21("1","6","5","1","6","5","1","1") = "5"
    & skf21("1","6","5","1","6","5","2","1") = "5"
    & skf21("1","6","5","1","6","5","3","1") = "5"
    & skf21("1","6","5","1","6","5","4","1") = "5"
    & skf21("1","6","5","1","6","5","5","1") = "5"
    & skf21("1","6","5","1","6","5","6","1") = "5"
    & skf21("1","6","5","1","6","5","7","1") = "6"
    & skf21("1","6","5","1","6","6","1","1") = "5"
    & skf21("1","6","5","1","6","6","2","1") = "5"
    & skf21("1","6","5","1","6","6","3","1") = "5"
    & skf21("1","6","5","1","6","6","4","1") = "5"
    & skf21("1","6","5","1","6","6","5","1") = "5"
    & skf21("1","6","5","1","6","6","6","1") = "5"
    & skf21("1","6","5","1","6","6","7","1") = "6"
    & skf21("1","6","5","1","6","7","1","1") = "6"
    & skf21("1","6","5","1","6","7","2","1") = "6"
    & skf21("1","6","5","1","6","7","3","1") = "6"
    & skf21("1","6","5","1","6","7","4","1") = "6"
    & skf21("1","6","5","1","6","7","5","1") = "6"
    & skf21("1","6","5","1","6","7","6","1") = "6"
    & skf21("1","6","5","1","6","7","7","1") = "6"
    & skf21("1","6","5","1","7","1","1","1") = "6"
    & skf21("1","6","5","1","7","1","2","1") = "6"
    & skf21("1","6","5","1","7","1","3","1") = "6"
    & skf21("1","6","5","1","7","1","4","1") = "6"
    & skf21("1","6","5","1","7","1","5","1") = "6"
    & skf21("1","6","5","1","7","1","6","1") = "6"
    & skf21("1","6","5","1","7","1","7","1") = "6"
    & skf21("1","6","5","1","7","2","1","1") = "6"
    & skf21("1","6","5","1","7","2","2","1") = "6"
    & skf21("1","6","5","1","7","2","3","1") = "6"
    & skf21("1","6","5","1","7","2","4","1") = "6"
    & skf21("1","6","5","1","7","2","5","1") = "6"
    & skf21("1","6","5","1","7","2","6","1") = "6"
    & skf21("1","6","5","1","7","2","7","1") = "6"
    & skf21("1","6","5","1","7","3","1","1") = "6"
    & skf21("1","6","5","1","7","3","2","1") = "6"
    & skf21("1","6","5","1","7","3","3","1") = "6"
    & skf21("1","6","5","1","7","3","4","1") = "6"
    & skf21("1","6","5","1","7","3","5","1") = "6"
    & skf21("1","6","5","1","7","3","6","1") = "6"
    & skf21("1","6","5","1","7","3","7","1") = "6"
    & skf21("1","6","5","1","7","4","1","1") = "6"
    & skf21("1","6","5","1","7","4","2","1") = "6"
    & skf21("1","6","5","1","7","4","3","1") = "6"
    & skf21("1","6","5","1","7","4","4","1") = "6"
    & skf21("1","6","5","1","7","4","5","1") = "6"
    & skf21("1","6","5","1","7","4","6","1") = "6"
    & skf21("1","6","5","1","7","4","7","1") = "6"
    & skf21("1","6","5","1","7","5","1","1") = "6"
    & skf21("1","6","5","1","7","5","2","1") = "6"
    & skf21("1","6","5","1","7","5","3","1") = "6"
    & skf21("1","6","5","1","7","5","4","1") = "6"
    & skf21("1","6","5","1","7","5","5","1") = "6"
    & skf21("1","6","5","1","7","5","6","1") = "6"
    & skf21("1","6","5","1","7","5","7","1") = "6"
    & skf21("1","6","5","1","7","6","1","1") = "6"
    & skf21("1","6","5","1","7","6","2","1") = "6"
    & skf21("1","6","5","1","7","6","3","1") = "6"
    & skf21("1","6","5","1","7","6","4","1") = "6"
    & skf21("1","6","5","1","7","6","5","1") = "6"
    & skf21("1","6","5","1","7","6","6","1") = "6"
    & skf21("1","6","5","1","7","6","7","1") = "6"
    & skf21("1","6","5","1","7","7","1","1") = "6"
    & skf21("1","6","5","1","7","7","2","1") = "6"
    & skf21("1","6","5","1","7","7","3","1") = "6"
    & skf21("1","6","5","1","7","7","4","1") = "6"
    & skf21("1","6","5","1","7","7","5","1") = "6"
    & skf21("1","6","5","1","7","7","6","1") = "6"
    & skf21("1","6","5","1","7","7","7","1") = "6"
    & skf21("1","6","5","2","1","1","1","1") = "5"
    & skf21("1","6","5","2","1","1","2","1") = "5"
    & skf21("1","6","5","2","1","1","3","1") = "5"
    & skf21("1","6","5","2","1","1","4","1") = "5"
    & skf21("1","6","5","2","1","1","5","1") = "5"
    & skf21("1","6","5","2","1","1","6","1") = "5"
    & skf21("1","6","5","2","1","1","7","1") = "6"
    & skf21("1","6","5","2","1","2","1","1") = "5"
    & skf21("1","6","5","2","1","2","2","1") = "5"
    & skf21("1","6","5","2","1","2","3","1") = "5"
    & skf21("1","6","5","2","1","2","4","1") = "5"
    & skf21("1","6","5","2","1","2","5","1") = "5"
    & skf21("1","6","5","2","1","2","6","1") = "5"
    & skf21("1","6","5","2","1","2","7","1") = "6"
    & skf21("1","6","5","2","1","3","1","1") = "5"
    & skf21("1","6","5","2","1","3","2","1") = "5"
    & skf21("1","6","5","2","1","3","3","1") = "5"
    & skf21("1","6","5","2","1","3","4","1") = "5"
    & skf21("1","6","5","2","1","3","5","1") = "5"
    & skf21("1","6","5","2","1","3","6","1") = "5"
    & skf21("1","6","5","2","1","3","7","1") = "6"
    & skf21("1","6","5","2","1","4","1","1") = "5"
    & skf21("1","6","5","2","1","4","2","1") = "5"
    & skf21("1","6","5","2","1","4","3","1") = "5"
    & skf21("1","6","5","2","1","4","4","1") = "5"
    & skf21("1","6","5","2","1","4","5","1") = "5"
    & skf21("1","6","5","2","1","4","6","1") = "5"
    & skf21("1","6","5","2","1","4","7","1") = "6"
    & skf21("1","6","5","2","1","5","1","1") = "5"
    & skf21("1","6","5","2","1","5","2","1") = "5"
    & skf21("1","6","5","2","1","5","3","1") = "5"
    & skf21("1","6","5","2","1","5","4","1") = "5"
    & skf21("1","6","5","2","1","5","5","1") = "5"
    & skf21("1","6","5","2","1","5","6","1") = "5"
    & skf21("1","6","5","2","1","5","7","1") = "6"
    & skf21("1","6","5","2","1","6","1","1") = "5"
    & skf21("1","6","5","2","1","6","2","1") = "5"
    & skf21("1","6","5","2","1","6","3","1") = "5"
    & skf21("1","6","5","2","1","6","4","1") = "5"
    & skf21("1","6","5","2","1","6","5","1") = "5"
    & skf21("1","6","5","2","1","6","6","1") = "5"
    & skf21("1","6","5","2","1","6","7","1") = "6"
    & skf21("1","6","5","2","1","7","1","1") = "6"
    & skf21("1","6","5","2","1","7","2","1") = "6"
    & skf21("1","6","5","2","1","7","3","1") = "6"
    & skf21("1","6","5","2","1","7","4","1") = "6"
    & skf21("1","6","5","2","1","7","5","1") = "6"
    & skf21("1","6","5","2","1","7","6","1") = "6"
    & skf21("1","6","5","2","1","7","7","1") = "6"
    & skf21("1","6","5","2","2","1","1","1") = "5"
    & skf21("1","6","5","2","2","1","2","1") = "5"
    & skf21("1","6","5","2","2","1","3","1") = "5"
    & skf21("1","6","5","2","2","1","4","1") = "5"
    & skf21("1","6","5","2","2","1","5","1") = "5"
    & skf21("1","6","5","2","2","1","6","1") = "5"
    & skf21("1","6","5","2","2","1","7","1") = "6"
    & skf21("1","6","5","2","2","2","1","1") = "5"
    & skf21("1","6","5","2","2","2","2","1") = "5"
    & skf21("1","6","5","2","2","2","3","1") = "5"
    & skf21("1","6","5","2","2","2","4","1") = "5"
    & skf21("1","6","5","2","2","2","5","1") = "5"
    & skf21("1","6","5","2","2","2","6","1") = "5"
    & skf21("1","6","5","2","2","2","7","1") = "6"
    & skf21("1","6","5","2","2","3","1","1") = "5"
    & skf21("1","6","5","2","2","3","2","1") = "5"
    & skf21("1","6","5","2","2","3","3","1") = "5"
    & skf21("1","6","5","2","2","3","4","1") = "5"
    & skf21("1","6","5","2","2","3","5","1") = "5"
    & skf21("1","6","5","2","2","3","6","1") = "5"
    & skf21("1","6","5","2","2","3","7","1") = "6"
    & skf21("1","6","5","2","2","4","1","1") = "5"
    & skf21("1","6","5","2","2","4","2","1") = "5"
    & skf21("1","6","5","2","2","4","3","1") = "5"
    & skf21("1","6","5","2","2","4","4","1") = "5"
    & skf21("1","6","5","2","2","4","5","1") = "5"
    & skf21("1","6","5","2","2","4","6","1") = "5"
    & skf21("1","6","5","2","2","4","7","1") = "6"
    & skf21("1","6","5","2","2","5","1","1") = "5"
    & skf21("1","6","5","2","2","5","2","1") = "5"
    & skf21("1","6","5","2","2","5","3","1") = "5"
    & skf21("1","6","5","2","2","5","4","1") = "5"
    & skf21("1","6","5","2","2","5","5","1") = "5"
    & skf21("1","6","5","2","2","5","6","1") = "5"
    & skf21("1","6","5","2","2","5","7","1") = "6"
    & skf21("1","6","5","2","2","6","1","1") = "5"
    & skf21("1","6","5","2","2","6","2","1") = "5"
    & skf21("1","6","5","2","2","6","3","1") = "5"
    & skf21("1","6","5","2","2","6","4","1") = "5"
    & skf21("1","6","5","2","2","6","5","1") = "5"
    & skf21("1","6","5","2","2","6","6","1") = "5"
    & skf21("1","6","5","2","2","6","7","1") = "6"
    & skf21("1","6","5","2","2","7","1","1") = "6"
    & skf21("1","6","5","2","2","7","2","1") = "6"
    & skf21("1","6","5","2","2","7","3","1") = "6"
    & skf21("1","6","5","2","2","7","4","1") = "6"
    & skf21("1","6","5","2","2","7","5","1") = "6"
    & skf21("1","6","5","2","2","7","6","1") = "6"
    & skf21("1","6","5","2","2","7","7","1") = "6"
    & skf21("1","6","5","2","3","1","1","1") = "5"
    & skf21("1","6","5","2","3","1","2","1") = "5"
    & skf21("1","6","5","2","3","1","3","1") = "5"
    & skf21("1","6","5","2","3","1","4","1") = "5"
    & skf21("1","6","5","2","3","1","5","1") = "5"
    & skf21("1","6","5","2","3","1","6","1") = "5"
    & skf21("1","6","5","2","3","1","7","1") = "6"
    & skf21("1","6","5","2","3","2","1","1") = "5"
    & skf21("1","6","5","2","3","2","2","1") = "5"
    & skf21("1","6","5","2","3","2","3","1") = "5"
    & skf21("1","6","5","2","3","2","4","1") = "5"
    & skf21("1","6","5","2","3","2","5","1") = "5"
    & skf21("1","6","5","2","3","2","6","1") = "5"
    & skf21("1","6","5","2","3","2","7","1") = "6"
    & skf21("1","6","5","2","3","3","1","1") = "5"
    & skf21("1","6","5","2","3","3","2","1") = "5"
    & skf21("1","6","5","2","3","3","3","1") = "5"
    & skf21("1","6","5","2","3","3","4","1") = "5"
    & skf21("1","6","5","2","3","3","5","1") = "5"
    & skf21("1","6","5","2","3","3","6","1") = "5"
    & skf21("1","6","5","2","3","3","7","1") = "6"
    & skf21("1","6","5","2","3","4","1","1") = "5"
    & skf21("1","6","5","2","3","4","2","1") = "5"
    & skf21("1","6","5","2","3","4","3","1") = "5"
    & skf21("1","6","5","2","3","4","4","1") = "5"
    & skf21("1","6","5","2","3","4","5","1") = "5"
    & skf21("1","6","5","2","3","4","6","1") = "5"
    & skf21("1","6","5","2","3","4","7","1") = "6"
    & skf21("1","6","5","2","3","5","1","1") = "5"
    & skf21("1","6","5","2","3","5","2","1") = "5"
    & skf21("1","6","5","2","3","5","3","1") = "5"
    & skf21("1","6","5","2","3","5","4","1") = "5"
    & skf21("1","6","5","2","3","5","5","1") = "5"
    & skf21("1","6","5","2","3","5","6","1") = "5"
    & skf21("1","6","5","2","3","5","7","1") = "6"
    & skf21("1","6","5","2","3","6","1","1") = "5"
    & skf21("1","6","5","2","3","6","2","1") = "5"
    & skf21("1","6","5","2","3","6","3","1") = "5"
    & skf21("1","6","5","2","3","6","4","1") = "5"
    & skf21("1","6","5","2","3","6","5","1") = "5"
    & skf21("1","6","5","2","3","6","6","1") = "5"
    & skf21("1","6","5","2","3","6","7","1") = "6"
    & skf21("1","6","5","2","3","7","1","1") = "6"
    & skf21("1","6","5","2","3","7","2","1") = "6"
    & skf21("1","6","5","2","3","7","3","1") = "6"
    & skf21("1","6","5","2","3","7","4","1") = "6"
    & skf21("1","6","5","2","3","7","5","1") = "6"
    & skf21("1","6","5","2","3","7","6","1") = "6"
    & skf21("1","6","5","2","3","7","7","1") = "6"
    & skf21("1","6","5","2","4","1","1","1") = "5"
    & skf21("1","6","5","2","4","1","2","1") = "5"
    & skf21("1","6","5","2","4","1","3","1") = "5"
    & skf21("1","6","5","2","4","1","4","1") = "5"
    & skf21("1","6","5","2","4","1","5","1") = "5"
    & skf21("1","6","5","2","4","1","6","1") = "5"
    & skf21("1","6","5","2","4","1","7","1") = "6"
    & skf21("1","6","5","2","4","2","1","1") = "5"
    & skf21("1","6","5","2","4","2","2","1") = "5"
    & skf21("1","6","5","2","4","2","3","1") = "5"
    & skf21("1","6","5","2","4","2","4","1") = "5"
    & skf21("1","6","5","2","4","2","5","1") = "5"
    & skf21("1","6","5","2","4","2","6","1") = "5"
    & skf21("1","6","5","2","4","2","7","1") = "6"
    & skf21("1","6","5","2","4","3","1","1") = "5"
    & skf21("1","6","5","2","4","3","2","1") = "5"
    & skf21("1","6","5","2","4","3","3","1") = "5"
    & skf21("1","6","5","2","4","3","4","1") = "5"
    & skf21("1","6","5","2","4","3","5","1") = "5"
    & skf21("1","6","5","2","4","3","6","1") = "5"
    & skf21("1","6","5","2","4","3","7","1") = "6"
    & skf21("1","6","5","2","4","4","1","1") = "5"
    & skf21("1","6","5","2","4","4","2","1") = "5"
    & skf21("1","6","5","2","4","4","3","1") = "5"
    & skf21("1","6","5","2","4","4","4","1") = "5"
    & skf21("1","6","5","2","4","4","5","1") = "5"
    & skf21("1","6","5","2","4","4","6","1") = "5"
    & skf21("1","6","5","2","4","4","7","1") = "6"
    & skf21("1","6","5","2","4","5","1","1") = "5"
    & skf21("1","6","5","2","4","5","2","1") = "5"
    & skf21("1","6","5","2","4","5","3","1") = "5"
    & skf21("1","6","5","2","4","5","4","1") = "5"
    & skf21("1","6","5","2","4","5","5","1") = "5"
    & skf21("1","6","5","2","4","5","6","1") = "5"
    & skf21("1","6","5","2","4","5","7","1") = "6"
    & skf21("1","6","5","2","4","6","1","1") = "5"
    & skf21("1","6","5","2","4","6","2","1") = "5"
    & skf21("1","6","5","2","4","6","3","1") = "5"
    & skf21("1","6","5","2","4","6","4","1") = "5"
    & skf21("1","6","5","2","4","6","5","1") = "5"
    & skf21("1","6","5","2","4","6","6","1") = "5"
    & skf21("1","6","5","2","4","6","7","1") = "6"
    & skf21("1","6","5","2","4","7","1","1") = "6"
    & skf21("1","6","5","2","4","7","2","1") = "6"
    & skf21("1","6","5","2","4","7","3","1") = "6"
    & skf21("1","6","5","2","4","7","4","1") = "6"
    & skf21("1","6","5","2","4","7","5","1") = "6"
    & skf21("1","6","5","2","4","7","6","1") = "6"
    & skf21("1","6","5","2","4","7","7","1") = "6"
    & skf21("1","6","5","2","5","1","1","1") = "5"
    & skf21("1","6","5","2","5","1","2","1") = "5"
    & skf21("1","6","5","2","5","1","3","1") = "5"
    & skf21("1","6","5","2","5","1","4","1") = "5"
    & skf21("1","6","5","2","5","1","5","1") = "5"
    & skf21("1","6","5","2","5","1","6","1") = "5"
    & skf21("1","6","5","2","5","1","7","1") = "6"
    & skf21("1","6","5","2","5","2","1","1") = "5"
    & skf21("1","6","5","2","5","2","2","1") = "5"
    & skf21("1","6","5","2","5","2","3","1") = "5"
    & skf21("1","6","5","2","5","2","4","1") = "5"
    & skf21("1","6","5","2","5","2","5","1") = "5"
    & skf21("1","6","5","2","5","2","6","1") = "5"
    & skf21("1","6","5","2","5","2","7","1") = "6"
    & skf21("1","6","5","2","5","3","1","1") = "5"
    & skf21("1","6","5","2","5","3","2","1") = "5"
    & skf21("1","6","5","2","5","3","3","1") = "5"
    & skf21("1","6","5","2","5","3","4","1") = "5"
    & skf21("1","6","5","2","5","3","5","1") = "5"
    & skf21("1","6","5","2","5","3","6","1") = "5"
    & skf21("1","6","5","2","5","3","7","1") = "6"
    & skf21("1","6","5","2","5","4","1","1") = "5"
    & skf21("1","6","5","2","5","4","2","1") = "5"
    & skf21("1","6","5","2","5","4","3","1") = "5"
    & skf21("1","6","5","2","5","4","4","1") = "5"
    & skf21("1","6","5","2","5","4","5","1") = "5"
    & skf21("1","6","5","2","5","4","6","1") = "5"
    & skf21("1","6","5","2","5","4","7","1") = "6"
    & skf21("1","6","5","2","5","5","1","1") = "5"
    & skf21("1","6","5","2","5","5","2","1") = "5"
    & skf21("1","6","5","2","5","5","3","1") = "5"
    & skf21("1","6","5","2","5","5","4","1") = "5"
    & skf21("1","6","5","2","5","5","5","1") = "5"
    & skf21("1","6","5","2","5","5","6","1") = "5"
    & skf21("1","6","5","2","5","5","7","1") = "6"
    & skf21("1","6","5","2","5","6","1","1") = "5"
    & skf21("1","6","5","2","5","6","2","1") = "5"
    & skf21("1","6","5","2","5","6","3","1") = "5"
    & skf21("1","6","5","2","5","6","4","1") = "5"
    & skf21("1","6","5","2","5","6","5","1") = "5"
    & skf21("1","6","5","2","5","6","6","1") = "5"
    & skf21("1","6","5","2","5","6","7","1") = "6"
    & skf21("1","6","5","2","5","7","1","1") = "6"
    & skf21("1","6","5","2","5","7","2","1") = "6"
    & skf21("1","6","5","2","5","7","3","1") = "6"
    & skf21("1","6","5","2","5","7","4","1") = "6"
    & skf21("1","6","5","2","5","7","5","1") = "6"
    & skf21("1","6","5","2","5","7","6","1") = "6"
    & skf21("1","6","5","2","5","7","7","1") = "6"
    & skf21("1","6","5","2","6","1","1","1") = "5"
    & skf21("1","6","5","2","6","1","2","1") = "5"
    & skf21("1","6","5","2","6","1","3","1") = "5"
    & skf21("1","6","5","2","6","1","4","1") = "5"
    & skf21("1","6","5","2","6","1","5","1") = "5"
    & skf21("1","6","5","2","6","1","6","1") = "5"
    & skf21("1","6","5","2","6","1","7","1") = "6"
    & skf21("1","6","5","2","6","2","1","1") = "5"
    & skf21("1","6","5","2","6","2","2","1") = "5"
    & skf21("1","6","5","2","6","2","3","1") = "5"
    & skf21("1","6","5","2","6","2","4","1") = "5"
    & skf21("1","6","5","2","6","2","5","1") = "5"
    & skf21("1","6","5","2","6","2","6","1") = "5"
    & skf21("1","6","5","2","6","2","7","1") = "6"
    & skf21("1","6","5","2","6","3","1","1") = "5"
    & skf21("1","6","5","2","6","3","2","1") = "5"
    & skf21("1","6","5","2","6","3","3","1") = "5"
    & skf21("1","6","5","2","6","3","4","1") = "5"
    & skf21("1","6","5","2","6","3","5","1") = "5"
    & skf21("1","6","5","2","6","3","6","1") = "5"
    & skf21("1","6","5","2","6","3","7","1") = "6"
    & skf21("1","6","5","2","6","4","1","1") = "5"
    & skf21("1","6","5","2","6","4","2","1") = "5"
    & skf21("1","6","5","2","6","4","3","1") = "5"
    & skf21("1","6","5","2","6","4","4","1") = "5"
    & skf21("1","6","5","2","6","4","5","1") = "5"
    & skf21("1","6","5","2","6","4","6","1") = "5"
    & skf21("1","6","5","2","6","4","7","1") = "6"
    & skf21("1","6","5","2","6","5","1","1") = "5"
    & skf21("1","6","5","2","6","5","2","1") = "5"
    & skf21("1","6","5","2","6","5","3","1") = "5"
    & skf21("1","6","5","2","6","5","4","1") = "5"
    & skf21("1","6","5","2","6","5","5","1") = "5"
    & skf21("1","6","5","2","6","5","6","1") = "5"
    & skf21("1","6","5","2","6","5","7","1") = "6"
    & skf21("1","6","5","2","6","6","1","1") = "5"
    & skf21("1","6","5","2","6","6","2","1") = "5"
    & skf21("1","6","5","2","6","6","3","1") = "5"
    & skf21("1","6","5","2","6","6","4","1") = "5"
    & skf21("1","6","5","2","6","6","5","1") = "5"
    & skf21("1","6","5","2","6","6","6","1") = "5"
    & skf21("1","6","5","2","6","6","7","1") = "6"
    & skf21("1","6","5","2","6","7","1","1") = "6"
    & skf21("1","6","5","2","6","7","2","1") = "6"
    & skf21("1","6","5","2","6","7","3","1") = "6"
    & skf21("1","6","5","2","6","7","4","1") = "6"
    & skf21("1","6","5","2","6","7","5","1") = "6"
    & skf21("1","6","5","2","6","7","6","1") = "6"
    & skf21("1","6","5","2","6","7","7","1") = "6"
    & skf21("1","6","5","2","7","1","1","1") = "6"
    & skf21("1","6","5","2","7","1","2","1") = "6"
    & skf21("1","6","5","2","7","1","3","1") = "6"
    & skf21("1","6","5","2","7","1","4","1") = "6"
    & skf21("1","6","5","2","7","1","5","1") = "6"
    & skf21("1","6","5","2","7","1","6","1") = "6"
    & skf21("1","6","5","2","7","1","7","1") = "6"
    & skf21("1","6","5","2","7","2","1","1") = "6"
    & skf21("1","6","5","2","7","2","2","1") = "6"
    & skf21("1","6","5","2","7","2","3","1") = "6"
    & skf21("1","6","5","2","7","2","4","1") = "6"
    & skf21("1","6","5","2","7","2","5","1") = "6"
    & skf21("1","6","5","2","7","2","6","1") = "6"
    & skf21("1","6","5","2","7","2","7","1") = "6"
    & skf21("1","6","5","2","7","3","1","1") = "6"
    & skf21("1","6","5","2","7","3","2","1") = "6"
    & skf21("1","6","5","2","7","3","3","1") = "6"
    & skf21("1","6","5","2","7","3","4","1") = "6"
    & skf21("1","6","5","2","7","3","5","1") = "6"
    & skf21("1","6","5","2","7","3","6","1") = "6"
    & skf21("1","6","5","2","7","3","7","1") = "6"
    & skf21("1","6","5","2","7","4","1","1") = "6"
    & skf21("1","6","5","2","7","4","2","1") = "6"
    & skf21("1","6","5","2","7","4","3","1") = "6"
    & skf21("1","6","5","2","7","4","4","1") = "6"
    & skf21("1","6","5","2","7","4","5","1") = "6"
    & skf21("1","6","5","2","7","4","6","1") = "6"
    & skf21("1","6","5","2","7","4","7","1") = "6"
    & skf21("1","6","5","2","7","5","1","1") = "6"
    & skf21("1","6","5","2","7","5","2","1") = "6"
    & skf21("1","6","5","2","7","5","3","1") = "6"
    & skf21("1","6","5","2","7","5","4","1") = "6"
    & skf21("1","6","5","2","7","5","5","1") = "6"
    & skf21("1","6","5","2","7","5","6","1") = "6"
    & skf21("1","6","5","2","7","5","7","1") = "6"
    & skf21("1","6","5","2","7","6","1","1") = "6"
    & skf21("1","6","5","2","7","6","2","1") = "6"
    & skf21("1","6","5","2","7","6","3","1") = "6"
    & skf21("1","6","5","2","7","6","4","1") = "6"
    & skf21("1","6","5","2","7","6","5","1") = "6"
    & skf21("1","6","5","2","7","6","6","1") = "6"
    & skf21("1","6","5","2","7","6","7","1") = "6"
    & skf21("1","6","5","2","7","7","1","1") = "6"
    & skf21("1","6","5","2","7","7","2","1") = "6"
    & skf21("1","6","5","2","7","7","3","1") = "6"
    & skf21("1","6","5","2","7","7","4","1") = "6"
    & skf21("1","6","5","2","7","7","5","1") = "6"
    & skf21("1","6","5","2","7","7","6","1") = "6"
    & skf21("1","6","5","2","7","7","7","1") = "6"
    & skf21("1","6","5","3","1","1","1","1") = "5"
    & skf21("1","6","5","3","1","1","2","1") = "5"
    & skf21("1","6","5","3","1","1","3","1") = "5"
    & skf21("1","6","5","3","1","1","4","1") = "5"
    & skf21("1","6","5","3","1","1","5","1") = "5"
    & skf21("1","6","5","3","1","1","6","1") = "5"
    & skf21("1","6","5","3","1","1","7","1") = "6"
    & skf21("1","6","5","3","1","2","1","1") = "5"
    & skf21("1","6","5","3","1","2","2","1") = "5"
    & skf21("1","6","5","3","1","2","3","1") = "5"
    & skf21("1","6","5","3","1","2","4","1") = "5"
    & skf21("1","6","5","3","1","2","5","1") = "5"
    & skf21("1","6","5","3","1","2","6","1") = "5"
    & skf21("1","6","5","3","1","2","7","1") = "6"
    & skf21("1","6","5","3","1","3","1","1") = "5"
    & skf21("1","6","5","3","1","3","2","1") = "5"
    & skf21("1","6","5","3","1","3","3","1") = "5"
    & skf21("1","6","5","3","1","3","4","1") = "5"
    & skf21("1","6","5","3","1","3","5","1") = "5"
    & skf21("1","6","5","3","1","3","6","1") = "5"
    & skf21("1","6","5","3","1","3","7","1") = "6"
    & skf21("1","6","5","3","1","4","1","1") = "5"
    & skf21("1","6","5","3","1","4","2","1") = "5"
    & skf21("1","6","5","3","1","4","3","1") = "5"
    & skf21("1","6","5","3","1","4","4","1") = "5"
    & skf21("1","6","5","3","1","4","5","1") = "5"
    & skf21("1","6","5","3","1","4","6","1") = "5"
    & skf21("1","6","5","3","1","4","7","1") = "6"
    & skf21("1","6","5","3","1","5","1","1") = "5"
    & skf21("1","6","5","3","1","5","2","1") = "5"
    & skf21("1","6","5","3","1","5","3","1") = "5"
    & skf21("1","6","5","3","1","5","4","1") = "5"
    & skf21("1","6","5","3","1","5","5","1") = "5"
    & skf21("1","6","5","3","1","5","6","1") = "5"
    & skf21("1","6","5","3","1","5","7","1") = "6"
    & skf21("1","6","5","3","1","6","1","1") = "5"
    & skf21("1","6","5","3","1","6","2","1") = "5"
    & skf21("1","6","5","3","1","6","3","1") = "5"
    & skf21("1","6","5","3","1","6","4","1") = "5"
    & skf21("1","6","5","3","1","6","5","1") = "5"
    & skf21("1","6","5","3","1","6","6","1") = "5"
    & skf21("1","6","5","3","1","6","7","1") = "6"
    & skf21("1","6","5","3","1","7","1","1") = "6"
    & skf21("1","6","5","3","1","7","2","1") = "6"
    & skf21("1","6","5","3","1","7","3","1") = "6"
    & skf21("1","6","5","3","1","7","4","1") = "6"
    & skf21("1","6","5","3","1","7","5","1") = "6"
    & skf21("1","6","5","3","1","7","6","1") = "6"
    & skf21("1","6","5","3","1","7","7","1") = "6"
    & skf21("1","6","5","3","2","1","1","1") = "5"
    & skf21("1","6","5","3","2","1","2","1") = "5"
    & skf21("1","6","5","3","2","1","3","1") = "5"
    & skf21("1","6","5","3","2","1","4","1") = "5"
    & skf21("1","6","5","3","2","1","5","1") = "5"
    & skf21("1","6","5","3","2","1","6","1") = "5"
    & skf21("1","6","5","3","2","1","7","1") = "6"
    & skf21("1","6","5","3","2","2","1","1") = "5"
    & skf21("1","6","5","3","2","2","2","1") = "5"
    & skf21("1","6","5","3","2","2","3","1") = "5"
    & skf21("1","6","5","3","2","2","4","1") = "5"
    & skf21("1","6","5","3","2","2","5","1") = "5"
    & skf21("1","6","5","3","2","2","6","1") = "5"
    & skf21("1","6","5","3","2","2","7","1") = "6"
    & skf21("1","6","5","3","2","3","1","1") = "5"
    & skf21("1","6","5","3","2","3","2","1") = "5"
    & skf21("1","6","5","3","2","3","3","1") = "5"
    & skf21("1","6","5","3","2","3","4","1") = "5"
    & skf21("1","6","5","3","2","3","5","1") = "5"
    & skf21("1","6","5","3","2","3","6","1") = "5"
    & skf21("1","6","5","3","2","3","7","1") = "6"
    & skf21("1","6","5","3","2","4","1","1") = "5"
    & skf21("1","6","5","3","2","4","2","1") = "5"
    & skf21("1","6","5","3","2","4","3","1") = "5"
    & skf21("1","6","5","3","2","4","4","1") = "5"
    & skf21("1","6","5","3","2","4","5","1") = "5"
    & skf21("1","6","5","3","2","4","6","1") = "5"
    & skf21("1","6","5","3","2","4","7","1") = "6"
    & skf21("1","6","5","3","2","5","1","1") = "5"
    & skf21("1","6","5","3","2","5","2","1") = "5"
    & skf21("1","6","5","3","2","5","3","1") = "5"
    & skf21("1","6","5","3","2","5","4","1") = "5"
    & skf21("1","6","5","3","2","5","5","1") = "5"
    & skf21("1","6","5","3","2","5","6","1") = "5"
    & skf21("1","6","5","3","2","5","7","1") = "6"
    & skf21("1","6","5","3","2","6","1","1") = "5"
    & skf21("1","6","5","3","2","6","2","1") = "5"
    & skf21("1","6","5","3","2","6","3","1") = "5"
    & skf21("1","6","5","3","2","6","4","1") = "5"
    & skf21("1","6","5","3","2","6","5","1") = "5"
    & skf21("1","6","5","3","2","6","6","1") = "5"
    & skf21("1","6","5","3","2","6","7","1") = "6"
    & skf21("1","6","5","3","2","7","1","1") = "6"
    & skf21("1","6","5","3","2","7","2","1") = "6"
    & skf21("1","6","5","3","2","7","3","1") = "6"
    & skf21("1","6","5","3","2","7","4","1") = "6"
    & skf21("1","6","5","3","2","7","5","1") = "6"
    & skf21("1","6","5","3","2","7","6","1") = "6"
    & skf21("1","6","5","3","2","7","7","1") = "6"
    & skf21("1","6","5","3","3","1","1","1") = "5"
    & skf21("1","6","5","3","3","1","2","1") = "5"
    & skf21("1","6","5","3","3","1","3","1") = "5"
    & skf21("1","6","5","3","3","1","4","1") = "5"
    & skf21("1","6","5","3","3","1","5","1") = "5"
    & skf21("1","6","5","3","3","1","6","1") = "5"
    & skf21("1","6","5","3","3","1","7","1") = "6"
    & skf21("1","6","5","3","3","2","1","1") = "5"
    & skf21("1","6","5","3","3","2","2","1") = "5"
    & skf21("1","6","5","3","3","2","3","1") = "5"
    & skf21("1","6","5","3","3","2","4","1") = "5"
    & skf21("1","6","5","3","3","2","5","1") = "5"
    & skf21("1","6","5","3","3","2","6","1") = "5"
    & skf21("1","6","5","3","3","2","7","1") = "6"
    & skf21("1","6","5","3","3","3","1","1") = "5"
    & skf21("1","6","5","3","3","3","2","1") = "5"
    & skf21("1","6","5","3","3","3","3","1") = "5"
    & skf21("1","6","5","3","3","3","4","1") = "5"
    & skf21("1","6","5","3","3","3","5","1") = "5"
    & skf21("1","6","5","3","3","3","6","1") = "5"
    & skf21("1","6","5","3","3","3","7","1") = "6"
    & skf21("1","6","5","3","3","4","1","1") = "5"
    & skf21("1","6","5","3","3","4","2","1") = "5"
    & skf21("1","6","5","3","3","4","3","1") = "5"
    & skf21("1","6","5","3","3","4","4","1") = "5"
    & skf21("1","6","5","3","3","4","5","1") = "5"
    & skf21("1","6","5","3","3","4","6","1") = "5"
    & skf21("1","6","5","3","3","4","7","1") = "6"
    & skf21("1","6","5","3","3","5","1","1") = "5"
    & skf21("1","6","5","3","3","5","2","1") = "5"
    & skf21("1","6","5","3","3","5","3","1") = "5"
    & skf21("1","6","5","3","3","5","4","1") = "5"
    & skf21("1","6","5","3","3","5","5","1") = "5"
    & skf21("1","6","5","3","3","5","6","1") = "5"
    & skf21("1","6","5","3","3","5","7","1") = "6"
    & skf21("1","6","5","3","3","6","1","1") = "5"
    & skf21("1","6","5","3","3","6","2","1") = "5"
    & skf21("1","6","5","3","3","6","3","1") = "5"
    & skf21("1","6","5","3","3","6","4","1") = "5"
    & skf21("1","6","5","3","3","6","5","1") = "5"
    & skf21("1","6","5","3","3","6","6","1") = "5"
    & skf21("1","6","5","3","3","6","7","1") = "6"
    & skf21("1","6","5","3","3","7","1","1") = "6"
    & skf21("1","6","5","3","3","7","2","1") = "6"
    & skf21("1","6","5","3","3","7","3","1") = "6"
    & skf21("1","6","5","3","3","7","4","1") = "6"
    & skf21("1","6","5","3","3","7","5","1") = "6"
    & skf21("1","6","5","3","3","7","6","1") = "6"
    & skf21("1","6","5","3","3","7","7","1") = "6"
    & skf21("1","6","5","3","4","1","1","1") = "5"
    & skf21("1","6","5","3","4","1","2","1") = "5"
    & skf21("1","6","5","3","4","1","3","1") = "5"
    & skf21("1","6","5","3","4","1","4","1") = "5"
    & skf21("1","6","5","3","4","1","5","1") = "5"
    & skf21("1","6","5","3","4","1","6","1") = "5"
    & skf21("1","6","5","3","4","1","7","1") = "6"
    & skf21("1","6","5","3","4","2","1","1") = "5"
    & skf21("1","6","5","3","4","2","2","1") = "5"
    & skf21("1","6","5","3","4","2","3","1") = "5"
    & skf21("1","6","5","3","4","2","4","1") = "5"
    & skf21("1","6","5","3","4","2","5","1") = "5"
    & skf21("1","6","5","3","4","2","6","1") = "5"
    & skf21("1","6","5","3","4","2","7","1") = "6"
    & skf21("1","6","5","3","4","3","1","1") = "5"
    & skf21("1","6","5","3","4","3","2","1") = "5"
    & skf21("1","6","5","3","4","3","3","1") = "5"
    & skf21("1","6","5","3","4","3","4","1") = "5"
    & skf21("1","6","5","3","4","3","5","1") = "5"
    & skf21("1","6","5","3","4","3","6","1") = "5"
    & skf21("1","6","5","3","4","3","7","1") = "6"
    & skf21("1","6","5","3","4","4","1","1") = "5"
    & skf21("1","6","5","3","4","4","2","1") = "5"
    & skf21("1","6","5","3","4","4","3","1") = "5"
    & skf21("1","6","5","3","4","4","4","1") = "5"
    & skf21("1","6","5","3","4","4","5","1") = "5"
    & skf21("1","6","5","3","4","4","6","1") = "5"
    & skf21("1","6","5","3","4","4","7","1") = "6"
    & skf21("1","6","5","3","4","5","1","1") = "5"
    & skf21("1","6","5","3","4","5","2","1") = "5"
    & skf21("1","6","5","3","4","5","3","1") = "5"
    & skf21("1","6","5","3","4","5","4","1") = "5"
    & skf21("1","6","5","3","4","5","5","1") = "5"
    & skf21("1","6","5","3","4","5","6","1") = "5"
    & skf21("1","6","5","3","4","5","7","1") = "6"
    & skf21("1","6","5","3","4","6","1","1") = "5"
    & skf21("1","6","5","3","4","6","2","1") = "5"
    & skf21("1","6","5","3","4","6","3","1") = "5"
    & skf21("1","6","5","3","4","6","4","1") = "5"
    & skf21("1","6","5","3","4","6","5","1") = "5"
    & skf21("1","6","5","3","4","6","6","1") = "5"
    & skf21("1","6","5","3","4","6","7","1") = "6"
    & skf21("1","6","5","3","4","7","1","1") = "6"
    & skf21("1","6","5","3","4","7","2","1") = "6"
    & skf21("1","6","5","3","4","7","3","1") = "6"
    & skf21("1","6","5","3","4","7","4","1") = "6"
    & skf21("1","6","5","3","4","7","5","1") = "6"
    & skf21("1","6","5","3","4","7","6","1") = "6"
    & skf21("1","6","5","3","4","7","7","1") = "6"
    & skf21("1","6","5","3","5","1","1","1") = "5"
    & skf21("1","6","5","3","5","1","2","1") = "5"
    & skf21("1","6","5","3","5","1","3","1") = "5"
    & skf21("1","6","5","3","5","1","4","1") = "5"
    & skf21("1","6","5","3","5","1","5","1") = "5"
    & skf21("1","6","5","3","5","1","6","1") = "5"
    & skf21("1","6","5","3","5","1","7","1") = "6"
    & skf21("1","6","5","3","5","2","1","1") = "5"
    & skf21("1","6","5","3","5","2","2","1") = "5"
    & skf21("1","6","5","3","5","2","3","1") = "5"
    & skf21("1","6","5","3","5","2","4","1") = "5"
    & skf21("1","6","5","3","5","2","5","1") = "5"
    & skf21("1","6","5","3","5","2","6","1") = "5"
    & skf21("1","6","5","3","5","2","7","1") = "6"
    & skf21("1","6","5","3","5","3","1","1") = "5"
    & skf21("1","6","5","3","5","3","2","1") = "5"
    & skf21("1","6","5","3","5","3","3","1") = "5"
    & skf21("1","6","5","3","5","3","4","1") = "5"
    & skf21("1","6","5","3","5","3","5","1") = "5"
    & skf21("1","6","5","3","5","3","6","1") = "5"
    & skf21("1","6","5","3","5","3","7","1") = "6"
    & skf21("1","6","5","3","5","4","1","1") = "5"
    & skf21("1","6","5","3","5","4","2","1") = "5"
    & skf21("1","6","5","3","5","4","3","1") = "5"
    & skf21("1","6","5","3","5","4","4","1") = "5"
    & skf21("1","6","5","3","5","4","5","1") = "5"
    & skf21("1","6","5","3","5","4","6","1") = "5"
    & skf21("1","6","5","3","5","4","7","1") = "6"
    & skf21("1","6","5","3","5","5","1","1") = "5"
    & skf21("1","6","5","3","5","5","2","1") = "5"
    & skf21("1","6","5","3","5","5","3","1") = "5"
    & skf21("1","6","5","3","5","5","4","1") = "5"
    & skf21("1","6","5","3","5","5","5","1") = "5"
    & skf21("1","6","5","3","5","5","6","1") = "5"
    & skf21("1","6","5","3","5","5","7","1") = "6"
    & skf21("1","6","5","3","5","6","1","1") = "5"
    & skf21("1","6","5","3","5","6","2","1") = "5"
    & skf21("1","6","5","3","5","6","3","1") = "5"
    & skf21("1","6","5","3","5","6","4","1") = "5"
    & skf21("1","6","5","3","5","6","5","1") = "5"
    & skf21("1","6","5","3","5","6","6","1") = "5"
    & skf21("1","6","5","3","5","6","7","1") = "6"
    & skf21("1","6","5","3","5","7","1","1") = "6"
    & skf21("1","6","5","3","5","7","2","1") = "6"
    & skf21("1","6","5","3","5","7","3","1") = "6"
    & skf21("1","6","5","3","5","7","4","1") = "6"
    & skf21("1","6","5","3","5","7","5","1") = "6"
    & skf21("1","6","5","3","5","7","6","1") = "6"
    & skf21("1","6","5","3","5","7","7","1") = "6"
    & skf21("1","6","5","3","6","1","1","1") = "5"
    & skf21("1","6","5","3","6","1","2","1") = "5"
    & skf21("1","6","5","3","6","1","3","1") = "5"
    & skf21("1","6","5","3","6","1","4","1") = "5"
    & skf21("1","6","5","3","6","1","5","1") = "5"
    & skf21("1","6","5","3","6","1","6","1") = "5"
    & skf21("1","6","5","3","6","1","7","1") = "6"
    & skf21("1","6","5","3","6","2","1","1") = "5"
    & skf21("1","6","5","3","6","2","2","1") = "5"
    & skf21("1","6","5","3","6","2","3","1") = "5"
    & skf21("1","6","5","3","6","2","4","1") = "5"
    & skf21("1","6","5","3","6","2","5","1") = "5"
    & skf21("1","6","5","3","6","2","6","1") = "5"
    & skf21("1","6","5","3","6","2","7","1") = "6"
    & skf21("1","6","5","3","6","3","1","1") = "5"
    & skf21("1","6","5","3","6","3","2","1") = "5"
    & skf21("1","6","5","3","6","3","3","1") = "5"
    & skf21("1","6","5","3","6","3","4","1") = "5"
    & skf21("1","6","5","3","6","3","5","1") = "5"
    & skf21("1","6","5","3","6","3","6","1") = "5"
    & skf21("1","6","5","3","6","3","7","1") = "6"
    & skf21("1","6","5","3","6","4","1","1") = "5"
    & skf21("1","6","5","3","6","4","2","1") = "5"
    & skf21("1","6","5","3","6","4","3","1") = "5"
    & skf21("1","6","5","3","6","4","4","1") = "5"
    & skf21("1","6","5","3","6","4","5","1") = "5"
    & skf21("1","6","5","3","6","4","6","1") = "5"
    & skf21("1","6","5","3","6","4","7","1") = "6"
    & skf21("1","6","5","3","6","5","1","1") = "5"
    & skf21("1","6","5","3","6","5","2","1") = "5"
    & skf21("1","6","5","3","6","5","3","1") = "5"
    & skf21("1","6","5","3","6","5","4","1") = "5"
    & skf21("1","6","5","3","6","5","5","1") = "5"
    & skf21("1","6","5","3","6","5","6","1") = "5"
    & skf21("1","6","5","3","6","5","7","1") = "6"
    & skf21("1","6","5","3","6","6","1","1") = "5"
    & skf21("1","6","5","3","6","6","2","1") = "5"
    & skf21("1","6","5","3","6","6","3","1") = "5"
    & skf21("1","6","5","3","6","6","4","1") = "5"
    & skf21("1","6","5","3","6","6","5","1") = "5"
    & skf21("1","6","5","3","6","6","6","1") = "5"
    & skf21("1","6","5","3","6","6","7","1") = "6"
    & skf21("1","6","5","3","6","7","1","1") = "6"
    & skf21("1","6","5","3","6","7","2","1") = "6"
    & skf21("1","6","5","3","6","7","3","1") = "6"
    & skf21("1","6","5","3","6","7","4","1") = "6"
    & skf21("1","6","5","3","6","7","5","1") = "6"
    & skf21("1","6","5","3","6","7","6","1") = "6"
    & skf21("1","6","5","3","6","7","7","1") = "6"
    & skf21("1","6","5","3","7","1","1","1") = "6"
    & skf21("1","6","5","3","7","1","2","1") = "6"
    & skf21("1","6","5","3","7","1","3","1") = "6"
    & skf21("1","6","5","3","7","1","4","1") = "6"
    & skf21("1","6","5","3","7","1","5","1") = "6"
    & skf21("1","6","5","3","7","1","6","1") = "6"
    & skf21("1","6","5","3","7","1","7","1") = "6"
    & skf21("1","6","5","3","7","2","1","1") = "6"
    & skf21("1","6","5","3","7","2","2","1") = "6"
    & skf21("1","6","5","3","7","2","3","1") = "6"
    & skf21("1","6","5","3","7","2","4","1") = "6"
    & skf21("1","6","5","3","7","2","5","1") = "6"
    & skf21("1","6","5","3","7","2","6","1") = "6"
    & skf21("1","6","5","3","7","2","7","1") = "6"
    & skf21("1","6","5","3","7","3","1","1") = "6"
    & skf21("1","6","5","3","7","3","2","1") = "6"
    & skf21("1","6","5","3","7","3","3","1") = "6"
    & skf21("1","6","5","3","7","3","4","1") = "6"
    & skf21("1","6","5","3","7","3","5","1") = "6"
    & skf21("1","6","5","3","7","3","6","1") = "6"
    & skf21("1","6","5","3","7","3","7","1") = "6"
    & skf21("1","6","5","3","7","4","1","1") = "6"
    & skf21("1","6","5","3","7","4","2","1") = "6"
    & skf21("1","6","5","3","7","4","3","1") = "6"
    & skf21("1","6","5","3","7","4","4","1") = "6"
    & skf21("1","6","5","3","7","4","5","1") = "6"
    & skf21("1","6","5","3","7","4","6","1") = "6"
    & skf21("1","6","5","3","7","4","7","1") = "6"
    & skf21("1","6","5","3","7","5","1","1") = "6"
    & skf21("1","6","5","3","7","5","2","1") = "6"
    & skf21("1","6","5","3","7","5","3","1") = "6"
    & skf21("1","6","5","3","7","5","4","1") = "6"
    & skf21("1","6","5","3","7","5","5","1") = "6"
    & skf21("1","6","5","3","7","5","6","1") = "6"
    & skf21("1","6","5","3","7","5","7","1") = "6"
    & skf21("1","6","5","3","7","6","1","1") = "6"
    & skf21("1","6","5","3","7","6","2","1") = "6"
    & skf21("1","6","5","3","7","6","3","1") = "6"
    & skf21("1","6","5","3","7","6","4","1") = "6"
    & skf21("1","6","5","3","7","6","5","1") = "6"
    & skf21("1","6","5","3","7","6","6","1") = "6"
    & skf21("1","6","5","3","7","6","7","1") = "6"
    & skf21("1","6","5","3","7","7","1","1") = "6"
    & skf21("1","6","5","3","7","7","2","1") = "6"
    & skf21("1","6","5","3","7","7","3","1") = "6"
    & skf21("1","6","5","3","7","7","4","1") = "6"
    & skf21("1","6","5","3","7","7","5","1") = "6"
    & skf21("1","6","5","3","7","7","6","1") = "6"
    & skf21("1","6","5","3","7","7","7","1") = "6"
    & skf21("1","6","5","4","1","1","1","1") = "5"
    & skf21("1","6","5","4","1","1","2","1") = "5"
    & skf21("1","6","5","4","1","1","3","1") = "5"
    & skf21("1","6","5","4","1","1","4","1") = "5"
    & skf21("1","6","5","4","1","1","5","1") = "5"
    & skf21("1","6","5","4","1","1","6","1") = "5"
    & skf21("1","6","5","4","1","1","7","1") = "6"
    & skf21("1","6","5","4","1","2","1","1") = "5"
    & skf21("1","6","5","4","1","2","2","1") = "5"
    & skf21("1","6","5","4","1","2","3","1") = "5"
    & skf21("1","6","5","4","1","2","4","1") = "5"
    & skf21("1","6","5","4","1","2","5","1") = "5"
    & skf21("1","6","5","4","1","2","6","1") = "5"
    & skf21("1","6","5","4","1","2","7","1") = "6"
    & skf21("1","6","5","4","1","3","1","1") = "5"
    & skf21("1","6","5","4","1","3","2","1") = "5"
    & skf21("1","6","5","4","1","3","3","1") = "5"
    & skf21("1","6","5","4","1","3","4","1") = "5"
    & skf21("1","6","5","4","1","3","5","1") = "5"
    & skf21("1","6","5","4","1","3","6","1") = "5"
    & skf21("1","6","5","4","1","3","7","1") = "6"
    & skf21("1","6","5","4","1","4","1","1") = "5"
    & skf21("1","6","5","4","1","4","2","1") = "5"
    & skf21("1","6","5","4","1","4","3","1") = "5"
    & skf21("1","6","5","4","1","4","4","1") = "5"
    & skf21("1","6","5","4","1","4","5","1") = "5"
    & skf21("1","6","5","4","1","4","6","1") = "5"
    & skf21("1","6","5","4","1","4","7","1") = "6"
    & skf21("1","6","5","4","1","5","1","1") = "5"
    & skf21("1","6","5","4","1","5","2","1") = "5"
    & skf21("1","6","5","4","1","5","3","1") = "5"
    & skf21("1","6","5","4","1","5","4","1") = "5"
    & skf21("1","6","5","4","1","5","5","1") = "5"
    & skf21("1","6","5","4","1","5","6","1") = "5"
    & skf21("1","6","5","4","1","5","7","1") = "6"
    & skf21("1","6","5","4","1","6","1","1") = "5"
    & skf21("1","6","5","4","1","6","2","1") = "5"
    & skf21("1","6","5","4","1","6","3","1") = "5"
    & skf21("1","6","5","4","1","6","4","1") = "5"
    & skf21("1","6","5","4","1","6","5","1") = "5"
    & skf21("1","6","5","4","1","6","6","1") = "5"
    & skf21("1","6","5","4","1","6","7","1") = "6"
    & skf21("1","6","5","4","1","7","1","1") = "6"
    & skf21("1","6","5","4","1","7","2","1") = "6"
    & skf21("1","6","5","4","1","7","3","1") = "6"
    & skf21("1","6","5","4","1","7","4","1") = "6"
    & skf21("1","6","5","4","1","7","5","1") = "6"
    & skf21("1","6","5","4","1","7","6","1") = "6"
    & skf21("1","6","5","4","1","7","7","1") = "6"
    & skf21("1","6","5","4","2","1","1","1") = "5"
    & skf21("1","6","5","4","2","1","2","1") = "5"
    & skf21("1","6","5","4","2","1","3","1") = "5"
    & skf21("1","6","5","4","2","1","4","1") = "5"
    & skf21("1","6","5","4","2","1","5","1") = "5"
    & skf21("1","6","5","4","2","1","6","1") = "5"
    & skf21("1","6","5","4","2","1","7","1") = "6"
    & skf21("1","6","5","4","2","2","1","1") = "5"
    & skf21("1","6","5","4","2","2","2","1") = "5"
    & skf21("1","6","5","4","2","2","3","1") = "5"
    & skf21("1","6","5","4","2","2","4","1") = "5"
    & skf21("1","6","5","4","2","2","5","1") = "5"
    & skf21("1","6","5","4","2","2","6","1") = "5"
    & skf21("1","6","5","4","2","2","7","1") = "6"
    & skf21("1","6","5","4","2","3","1","1") = "5"
    & skf21("1","6","5","4","2","3","2","1") = "5"
    & skf21("1","6","5","4","2","3","3","1") = "5"
    & skf21("1","6","5","4","2","3","4","1") = "5"
    & skf21("1","6","5","4","2","3","5","1") = "5"
    & skf21("1","6","5","4","2","3","6","1") = "5"
    & skf21("1","6","5","4","2","3","7","1") = "6"
    & skf21("1","6","5","4","2","4","1","1") = "5"
    & skf21("1","6","5","4","2","4","2","1") = "5"
    & skf21("1","6","5","4","2","4","3","1") = "5"
    & skf21("1","6","5","4","2","4","4","1") = "5"
    & skf21("1","6","5","4","2","4","5","1") = "5"
    & skf21("1","6","5","4","2","4","6","1") = "5"
    & skf21("1","6","5","4","2","4","7","1") = "6"
    & skf21("1","6","5","4","2","5","1","1") = "5"
    & skf21("1","6","5","4","2","5","2","1") = "5"
    & skf21("1","6","5","4","2","5","3","1") = "5"
    & skf21("1","6","5","4","2","5","4","1") = "5"
    & skf21("1","6","5","4","2","5","5","1") = "5"
    & skf21("1","6","5","4","2","5","6","1") = "5"
    & skf21("1","6","5","4","2","5","7","1") = "6"
    & skf21("1","6","5","4","2","6","1","1") = "5"
    & skf21("1","6","5","4","2","6","2","1") = "5"
    & skf21("1","6","5","4","2","6","3","1") = "5"
    & skf21("1","6","5","4","2","6","4","1") = "5"
    & skf21("1","6","5","4","2","6","5","1") = "5"
    & skf21("1","6","5","4","2","6","6","1") = "5"
    & skf21("1","6","5","4","2","6","7","1") = "6"
    & skf21("1","6","5","4","2","7","1","1") = "6"
    & skf21("1","6","5","4","2","7","2","1") = "6"
    & skf21("1","6","5","4","2","7","3","1") = "6"
    & skf21("1","6","5","4","2","7","4","1") = "6"
    & skf21("1","6","5","4","2","7","5","1") = "6"
    & skf21("1","6","5","4","2","7","6","1") = "6"
    & skf21("1","6","5","4","2","7","7","1") = "6"
    & skf21("1","6","5","4","3","1","1","1") = "5"
    & skf21("1","6","5","4","3","1","2","1") = "5"
    & skf21("1","6","5","4","3","1","3","1") = "5"
    & skf21("1","6","5","4","3","1","4","1") = "5"
    & skf21("1","6","5","4","3","1","5","1") = "5"
    & skf21("1","6","5","4","3","1","6","1") = "5"
    & skf21("1","6","5","4","3","1","7","1") = "6"
    & skf21("1","6","5","4","3","2","1","1") = "5"
    & skf21("1","6","5","4","3","2","2","1") = "5"
    & skf21("1","6","5","4","3","2","3","1") = "5"
    & skf21("1","6","5","4","3","2","4","1") = "5"
    & skf21("1","6","5","4","3","2","5","1") = "5"
    & skf21("1","6","5","4","3","2","6","1") = "5"
    & skf21("1","6","5","4","3","2","7","1") = "6"
    & skf21("1","6","5","4","3","3","1","1") = "5"
    & skf21("1","6","5","4","3","3","2","1") = "5"
    & skf21("1","6","5","4","3","3","3","1") = "5"
    & skf21("1","6","5","4","3","3","4","1") = "5"
    & skf21("1","6","5","4","3","3","5","1") = "5"
    & skf21("1","6","5","4","3","3","6","1") = "5"
    & skf21("1","6","5","4","3","3","7","1") = "6"
    & skf21("1","6","5","4","3","4","1","1") = "5"
    & skf21("1","6","5","4","3","4","2","1") = "5"
    & skf21("1","6","5","4","3","4","3","1") = "5"
    & skf21("1","6","5","4","3","4","4","1") = "5"
    & skf21("1","6","5","4","3","4","5","1") = "5"
    & skf21("1","6","5","4","3","4","6","1") = "5"
    & skf21("1","6","5","4","3","4","7","1") = "6"
    & skf21("1","6","5","4","3","5","1","1") = "5"
    & skf21("1","6","5","4","3","5","2","1") = "5"
    & skf21("1","6","5","4","3","5","3","1") = "5"
    & skf21("1","6","5","4","3","5","4","1") = "5"
    & skf21("1","6","5","4","3","5","5","1") = "5"
    & skf21("1","6","5","4","3","5","6","1") = "5"
    & skf21("1","6","5","4","3","5","7","1") = "6"
    & skf21("1","6","5","4","3","6","1","1") = "5"
    & skf21("1","6","5","4","3","6","2","1") = "5"
    & skf21("1","6","5","4","3","6","3","1") = "5"
    & skf21("1","6","5","4","3","6","4","1") = "5"
    & skf21("1","6","5","4","3","6","5","1") = "5"
    & skf21("1","6","5","4","3","6","6","1") = "5"
    & skf21("1","6","5","4","3","6","7","1") = "6"
    & skf21("1","6","5","4","3","7","1","1") = "6"
    & skf21("1","6","5","4","3","7","2","1") = "6"
    & skf21("1","6","5","4","3","7","3","1") = "6"
    & skf21("1","6","5","4","3","7","4","1") = "6"
    & skf21("1","6","5","4","3","7","5","1") = "6"
    & skf21("1","6","5","4","3","7","6","1") = "6"
    & skf21("1","6","5","4","3","7","7","1") = "6"
    & skf21("1","6","5","4","4","1","1","1") = "5"
    & skf21("1","6","5","4","4","1","2","1") = "5"
    & skf21("1","6","5","4","4","1","3","1") = "5"
    & skf21("1","6","5","4","4","1","4","1") = "5"
    & skf21("1","6","5","4","4","1","5","1") = "5"
    & skf21("1","6","5","4","4","1","6","1") = "5"
    & skf21("1","6","5","4","4","1","7","1") = "6"
    & skf21("1","6","5","4","4","2","1","1") = "5"
    & skf21("1","6","5","4","4","2","2","1") = "5"
    & skf21("1","6","5","4","4","2","3","1") = "5"
    & skf21("1","6","5","4","4","2","4","1") = "5"
    & skf21("1","6","5","4","4","2","5","1") = "5"
    & skf21("1","6","5","4","4","2","6","1") = "5"
    & skf21("1","6","5","4","4","2","7","1") = "6"
    & skf21("1","6","5","4","4","3","1","1") = "5"
    & skf21("1","6","5","4","4","3","2","1") = "5"
    & skf21("1","6","5","4","4","3","3","1") = "5"
    & skf21("1","6","5","4","4","3","4","1") = "5"
    & skf21("1","6","5","4","4","3","5","1") = "5"
    & skf21("1","6","5","4","4","3","6","1") = "5"
    & skf21("1","6","5","4","4","3","7","1") = "6"
    & skf21("1","6","5","4","4","4","1","1") = "5"
    & skf21("1","6","5","4","4","4","2","1") = "5"
    & skf21("1","6","5","4","4","4","3","1") = "5"
    & skf21("1","6","5","4","4","4","4","1") = "5"
    & skf21("1","6","5","4","4","4","5","1") = "5"
    & skf21("1","6","5","4","4","4","6","1") = "5"
    & skf21("1","6","5","4","4","4","7","1") = "6"
    & skf21("1","6","5","4","4","5","1","1") = "5"
    & skf21("1","6","5","4","4","5","2","1") = "5"
    & skf21("1","6","5","4","4","5","3","1") = "5"
    & skf21("1","6","5","4","4","5","4","1") = "5"
    & skf21("1","6","5","4","4","5","5","1") = "5"
    & skf21("1","6","5","4","4","5","6","1") = "5"
    & skf21("1","6","5","4","4","5","7","1") = "6"
    & skf21("1","6","5","4","4","6","1","1") = "5"
    & skf21("1","6","5","4","4","6","2","1") = "5"
    & skf21("1","6","5","4","4","6","3","1") = "5"
    & skf21("1","6","5","4","4","6","4","1") = "5"
    & skf21("1","6","5","4","4","6","5","1") = "5"
    & skf21("1","6","5","4","4","6","6","1") = "5"
    & skf21("1","6","5","4","4","6","7","1") = "6"
    & skf21("1","6","5","4","4","7","1","1") = "6"
    & skf21("1","6","5","4","4","7","2","1") = "6"
    & skf21("1","6","5","4","4","7","3","1") = "6"
    & skf21("1","6","5","4","4","7","4","1") = "6"
    & skf21("1","6","5","4","4","7","5","1") = "6"
    & skf21("1","6","5","4","4","7","6","1") = "6"
    & skf21("1","6","5","4","4","7","7","1") = "6"
    & skf21("1","6","5","4","5","1","1","1") = "5"
    & skf21("1","6","5","4","5","1","2","1") = "5"
    & skf21("1","6","5","4","5","1","3","1") = "5"
    & skf21("1","6","5","4","5","1","4","1") = "5"
    & skf21("1","6","5","4","5","1","5","1") = "5"
    & skf21("1","6","5","4","5","1","6","1") = "5"
    & skf21("1","6","5","4","5","1","7","1") = "6"
    & skf21("1","6","5","4","5","2","1","1") = "5"
    & skf21("1","6","5","4","5","2","2","1") = "5"
    & skf21("1","6","5","4","5","2","3","1") = "5"
    & skf21("1","6","5","4","5","2","4","1") = "5"
    & skf21("1","6","5","4","5","2","5","1") = "5"
    & skf21("1","6","5","4","5","2","6","1") = "5"
    & skf21("1","6","5","4","5","2","7","1") = "6"
    & skf21("1","6","5","4","5","3","1","1") = "5"
    & skf21("1","6","5","4","5","3","2","1") = "5"
    & skf21("1","6","5","4","5","3","3","1") = "5"
    & skf21("1","6","5","4","5","3","4","1") = "5"
    & skf21("1","6","5","4","5","3","5","1") = "5"
    & skf21("1","6","5","4","5","3","6","1") = "5"
    & skf21("1","6","5","4","5","3","7","1") = "6"
    & skf21("1","6","5","4","5","4","1","1") = "5"
    & skf21("1","6","5","4","5","4","2","1") = "5"
    & skf21("1","6","5","4","5","4","3","1") = "5"
    & skf21("1","6","5","4","5","4","4","1") = "5"
    & skf21("1","6","5","4","5","4","5","1") = "5"
    & skf21("1","6","5","4","5","4","6","1") = "5"
    & skf21("1","6","5","4","5","4","7","1") = "6"
    & skf21("1","6","5","4","5","5","1","1") = "5"
    & skf21("1","6","5","4","5","5","2","1") = "5"
    & skf21("1","6","5","4","5","5","3","1") = "5"
    & skf21("1","6","5","4","5","5","4","1") = "5"
    & skf21("1","6","5","4","5","5","5","1") = "5"
    & skf21("1","6","5","4","5","5","6","1") = "5"
    & skf21("1","6","5","4","5","5","7","1") = "6"
    & skf21("1","6","5","4","5","6","1","1") = "5"
    & skf21("1","6","5","4","5","6","2","1") = "5"
    & skf21("1","6","5","4","5","6","3","1") = "5"
    & skf21("1","6","5","4","5","6","4","1") = "5"
    & skf21("1","6","5","4","5","6","5","1") = "5"
    & skf21("1","6","5","4","5","6","6","1") = "5"
    & skf21("1","6","5","4","5","6","7","1") = "6"
    & skf21("1","6","5","4","5","7","1","1") = "6"
    & skf21("1","6","5","4","5","7","2","1") = "6"
    & skf21("1","6","5","4","5","7","3","1") = "6"
    & skf21("1","6","5","4","5","7","4","1") = "6"
    & skf21("1","6","5","4","5","7","5","1") = "6"
    & skf21("1","6","5","4","5","7","6","1") = "6"
    & skf21("1","6","5","4","5","7","7","1") = "6"
    & skf21("1","6","5","4","6","1","1","1") = "5"
    & skf21("1","6","5","4","6","1","2","1") = "5"
    & skf21("1","6","5","4","6","1","3","1") = "5"
    & skf21("1","6","5","4","6","1","4","1") = "5"
    & skf21("1","6","5","4","6","1","5","1") = "5"
    & skf21("1","6","5","4","6","1","6","1") = "5"
    & skf21("1","6","5","4","6","1","7","1") = "6"
    & skf21("1","6","5","4","6","2","1","1") = "5"
    & skf21("1","6","5","4","6","2","2","1") = "5"
    & skf21("1","6","5","4","6","2","3","1") = "5"
    & skf21("1","6","5","4","6","2","4","1") = "5"
    & skf21("1","6","5","4","6","2","5","1") = "5"
    & skf21("1","6","5","4","6","2","6","1") = "5"
    & skf21("1","6","5","4","6","2","7","1") = "6"
    & skf21("1","6","5","4","6","3","1","1") = "5"
    & skf21("1","6","5","4","6","3","2","1") = "5"
    & skf21("1","6","5","4","6","3","3","1") = "5"
    & skf21("1","6","5","4","6","3","4","1") = "5"
    & skf21("1","6","5","4","6","3","5","1") = "5"
    & skf21("1","6","5","4","6","3","6","1") = "5"
    & skf21("1","6","5","4","6","3","7","1") = "6"
    & skf21("1","6","5","4","6","4","1","1") = "5"
    & skf21("1","6","5","4","6","4","2","1") = "5"
    & skf21("1","6","5","4","6","4","3","1") = "5"
    & skf21("1","6","5","4","6","4","4","1") = "5"
    & skf21("1","6","5","4","6","4","5","1") = "5"
    & skf21("1","6","5","4","6","4","6","1") = "5"
    & skf21("1","6","5","4","6","4","7","1") = "6"
    & skf21("1","6","5","4","6","5","1","1") = "5"
    & skf21("1","6","5","4","6","5","2","1") = "5"
    & skf21("1","6","5","4","6","5","3","1") = "5"
    & skf21("1","6","5","4","6","5","4","1") = "5"
    & skf21("1","6","5","4","6","5","5","1") = "5"
    & skf21("1","6","5","4","6","5","6","1") = "5"
    & skf21("1","6","5","4","6","5","7","1") = "6"
    & skf21("1","6","5","4","6","6","1","1") = "5"
    & skf21("1","6","5","4","6","6","2","1") = "5"
    & skf21("1","6","5","4","6","6","3","1") = "5"
    & skf21("1","6","5","4","6","6","4","1") = "5"
    & skf21("1","6","5","4","6","6","5","1") = "5"
    & skf21("1","6","5","4","6","6","6","1") = "5"
    & skf21("1","6","5","4","6","6","7","1") = "6"
    & skf21("1","6","5","4","6","7","1","1") = "6"
    & skf21("1","6","5","4","6","7","2","1") = "6"
    & skf21("1","6","5","4","6","7","3","1") = "6"
    & skf21("1","6","5","4","6","7","4","1") = "6"
    & skf21("1","6","5","4","6","7","5","1") = "6"
    & skf21("1","6","5","4","6","7","6","1") = "6"
    & skf21("1","6","5","4","6","7","7","1") = "6"
    & skf21("1","6","5","4","7","1","1","1") = "6"
    & skf21("1","6","5","4","7","1","2","1") = "6"
    & skf21("1","6","5","4","7","1","3","1") = "6"
    & skf21("1","6","5","4","7","1","4","1") = "6"
    & skf21("1","6","5","4","7","1","5","1") = "6"
    & skf21("1","6","5","4","7","1","6","1") = "6"
    & skf21("1","6","5","4","7","1","7","1") = "6"
    & skf21("1","6","5","4","7","2","1","1") = "6"
    & skf21("1","6","5","4","7","2","2","1") = "6"
    & skf21("1","6","5","4","7","2","3","1") = "6"
    & skf21("1","6","5","4","7","2","4","1") = "6"
    & skf21("1","6","5","4","7","2","5","1") = "6"
    & skf21("1","6","5","4","7","2","6","1") = "6"
    & skf21("1","6","5","4","7","2","7","1") = "6"
    & skf21("1","6","5","4","7","3","1","1") = "6"
    & skf21("1","6","5","4","7","3","2","1") = "6"
    & skf21("1","6","5","4","7","3","3","1") = "6"
    & skf21("1","6","5","4","7","3","4","1") = "6"
    & skf21("1","6","5","4","7","3","5","1") = "6"
    & skf21("1","6","5","4","7","3","6","1") = "6"
    & skf21("1","6","5","4","7","3","7","1") = "6"
    & skf21("1","6","5","4","7","4","1","1") = "6"
    & skf21("1","6","5","4","7","4","2","1") = "6"
    & skf21("1","6","5","4","7","4","3","1") = "6"
    & skf21("1","6","5","4","7","4","4","1") = "6"
    & skf21("1","6","5","4","7","4","5","1") = "6"
    & skf21("1","6","5","4","7","4","6","1") = "6"
    & skf21("1","6","5","4","7","4","7","1") = "6"
    & skf21("1","6","5","4","7","5","1","1") = "6"
    & skf21("1","6","5","4","7","5","2","1") = "6"
    & skf21("1","6","5","4","7","5","3","1") = "6"
    & skf21("1","6","5","4","7","5","4","1") = "6"
    & skf21("1","6","5","4","7","5","5","1") = "6"
    & skf21("1","6","5","4","7","5","6","1") = "6"
    & skf21("1","6","5","4","7","5","7","1") = "6"
    & skf21("1","6","5","4","7","6","1","1") = "6"
    & skf21("1","6","5","4","7","6","2","1") = "6"
    & skf21("1","6","5","4","7","6","3","1") = "6"
    & skf21("1","6","5","4","7","6","4","1") = "6"
    & skf21("1","6","5","4","7","6","5","1") = "6"
    & skf21("1","6","5","4","7","6","6","1") = "6"
    & skf21("1","6","5","4","7","6","7","1") = "6"
    & skf21("1","6","5","4","7","7","1","1") = "6"
    & skf21("1","6","5","4","7","7","2","1") = "6"
    & skf21("1","6","5","4","7","7","3","1") = "6"
    & skf21("1","6","5","4","7","7","4","1") = "6"
    & skf21("1","6","5","4","7","7","5","1") = "6"
    & skf21("1","6","5","4","7","7","6","1") = "6"
    & skf21("1","6","5","4","7","7","7","1") = "6"
    & skf21("1","6","5","5","1","1","1","1") = "5"
    & skf21("1","6","5","5","1","1","2","1") = "5"
    & skf21("1","6","5","5","1","1","3","1") = "5"
    & skf21("1","6","5","5","1","1","4","1") = "5"
    & skf21("1","6","5","5","1","1","5","1") = "5"
    & skf21("1","6","5","5","1","1","6","1") = "5"
    & skf21("1","6","5","5","1","1","7","1") = "6"
    & skf21("1","6","5","5","1","2","1","1") = "5"
    & skf21("1","6","5","5","1","2","2","1") = "5"
    & skf21("1","6","5","5","1","2","3","1") = "5"
    & skf21("1","6","5","5","1","2","4","1") = "5"
    & skf21("1","6","5","5","1","2","5","1") = "5"
    & skf21("1","6","5","5","1","2","6","1") = "5"
    & skf21("1","6","5","5","1","2","7","1") = "6"
    & skf21("1","6","5","5","1","3","1","1") = "5"
    & skf21("1","6","5","5","1","3","2","1") = "5"
    & skf21("1","6","5","5","1","3","3","1") = "5"
    & skf21("1","6","5","5","1","3","4","1") = "5"
    & skf21("1","6","5","5","1","3","5","1") = "5"
    & skf21("1","6","5","5","1","3","6","1") = "5"
    & skf21("1","6","5","5","1","3","7","1") = "6"
    & skf21("1","6","5","5","1","4","1","1") = "5"
    & skf21("1","6","5","5","1","4","2","1") = "5"
    & skf21("1","6","5","5","1","4","3","1") = "5"
    & skf21("1","6","5","5","1","4","4","1") = "5"
    & skf21("1","6","5","5","1","4","5","1") = "5"
    & skf21("1","6","5","5","1","4","6","1") = "5"
    & skf21("1","6","5","5","1","4","7","1") = "6"
    & skf21("1","6","5","5","1","5","1","1") = "5"
    & skf21("1","6","5","5","1","5","2","1") = "5"
    & skf21("1","6","5","5","1","5","3","1") = "5"
    & skf21("1","6","5","5","1","5","4","1") = "5"
    & skf21("1","6","5","5","1","5","5","1") = "5"
    & skf21("1","6","5","5","1","5","6","1") = "5"
    & skf21("1","6","5","5","1","5","7","1") = "6"
    & skf21("1","6","5","5","1","6","1","1") = "5"
    & skf21("1","6","5","5","1","6","2","1") = "5"
    & skf21("1","6","5","5","1","6","3","1") = "5"
    & skf21("1","6","5","5","1","6","4","1") = "5"
    & skf21("1","6","5","5","1","6","5","1") = "5"
    & skf21("1","6","5","5","1","6","6","1") = "5"
    & skf21("1","6","5","5","1","6","7","1") = "6"
    & skf21("1","6","5","5","1","7","1","1") = "6"
    & skf21("1","6","5","5","1","7","2","1") = "6"
    & skf21("1","6","5","5","1","7","3","1") = "6"
    & skf21("1","6","5","5","1","7","4","1") = "6"
    & skf21("1","6","5","5","1","7","5","1") = "6"
    & skf21("1","6","5","5","1","7","6","1") = "6"
    & skf21("1","6","5","5","1","7","7","1") = "6"
    & skf21("1","6","5","5","2","1","1","1") = "5"
    & skf21("1","6","5","5","2","1","2","1") = "5"
    & skf21("1","6","5","5","2","1","3","1") = "5"
    & skf21("1","6","5","5","2","1","4","1") = "5"
    & skf21("1","6","5","5","2","1","5","1") = "5"
    & skf21("1","6","5","5","2","1","6","1") = "5"
    & skf21("1","6","5","5","2","1","7","1") = "6"
    & skf21("1","6","5","5","2","2","1","1") = "5"
    & skf21("1","6","5","5","2","2","2","1") = "5"
    & skf21("1","6","5","5","2","2","3","1") = "5"
    & skf21("1","6","5","5","2","2","4","1") = "5"
    & skf21("1","6","5","5","2","2","5","1") = "5"
    & skf21("1","6","5","5","2","2","6","1") = "5"
    & skf21("1","6","5","5","2","2","7","1") = "6"
    & skf21("1","6","5","5","2","3","1","1") = "5"
    & skf21("1","6","5","5","2","3","2","1") = "5"
    & skf21("1","6","5","5","2","3","3","1") = "5"
    & skf21("1","6","5","5","2","3","4","1") = "5"
    & skf21("1","6","5","5","2","3","5","1") = "5"
    & skf21("1","6","5","5","2","3","6","1") = "5"
    & skf21("1","6","5","5","2","3","7","1") = "6"
    & skf21("1","6","5","5","2","4","1","1") = "5"
    & skf21("1","6","5","5","2","4","2","1") = "5"
    & skf21("1","6","5","5","2","4","3","1") = "5"
    & skf21("1","6","5","5","2","4","4","1") = "5"
    & skf21("1","6","5","5","2","4","5","1") = "5"
    & skf21("1","6","5","5","2","4","6","1") = "5"
    & skf21("1","6","5","5","2","4","7","1") = "6"
    & skf21("1","6","5","5","2","5","1","1") = "5"
    & skf21("1","6","5","5","2","5","2","1") = "5"
    & skf21("1","6","5","5","2","5","3","1") = "5"
    & skf21("1","6","5","5","2","5","4","1") = "5"
    & skf21("1","6","5","5","2","5","5","1") = "5"
    & skf21("1","6","5","5","2","5","6","1") = "5"
    & skf21("1","6","5","5","2","5","7","1") = "6"
    & skf21("1","6","5","5","2","6","1","1") = "5"
    & skf21("1","6","5","5","2","6","2","1") = "5"
    & skf21("1","6","5","5","2","6","3","1") = "5"
    & skf21("1","6","5","5","2","6","4","1") = "5"
    & skf21("1","6","5","5","2","6","5","1") = "5"
    & skf21("1","6","5","5","2","6","6","1") = "5"
    & skf21("1","6","5","5","2","6","7","1") = "6"
    & skf21("1","6","5","5","2","7","1","1") = "6"
    & skf21("1","6","5","5","2","7","2","1") = "6"
    & skf21("1","6","5","5","2","7","3","1") = "6"
    & skf21("1","6","5","5","2","7","4","1") = "6"
    & skf21("1","6","5","5","2","7","5","1") = "6"
    & skf21("1","6","5","5","2","7","6","1") = "6"
    & skf21("1","6","5","5","2","7","7","1") = "6"
    & skf21("1","6","5","5","3","1","1","1") = "5"
    & skf21("1","6","5","5","3","1","2","1") = "5"
    & skf21("1","6","5","5","3","1","3","1") = "5"
    & skf21("1","6","5","5","3","1","4","1") = "5"
    & skf21("1","6","5","5","3","1","5","1") = "5"
    & skf21("1","6","5","5","3","1","6","1") = "5"
    & skf21("1","6","5","5","3","1","7","1") = "6"
    & skf21("1","6","5","5","3","2","1","1") = "5"
    & skf21("1","6","5","5","3","2","2","1") = "5"
    & skf21("1","6","5","5","3","2","3","1") = "5"
    & skf21("1","6","5","5","3","2","4","1") = "5"
    & skf21("1","6","5","5","3","2","5","1") = "5"
    & skf21("1","6","5","5","3","2","6","1") = "5"
    & skf21("1","6","5","5","3","2","7","1") = "6"
    & skf21("1","6","5","5","3","3","1","1") = "5"
    & skf21("1","6","5","5","3","3","2","1") = "5"
    & skf21("1","6","5","5","3","3","3","1") = "5"
    & skf21("1","6","5","5","3","3","4","1") = "5"
    & skf21("1","6","5","5","3","3","5","1") = "5"
    & skf21("1","6","5","5","3","3","6","1") = "5"
    & skf21("1","6","5","5","3","3","7","1") = "6"
    & skf21("1","6","5","5","3","4","1","1") = "5"
    & skf21("1","6","5","5","3","4","2","1") = "5"
    & skf21("1","6","5","5","3","4","3","1") = "5"
    & skf21("1","6","5","5","3","4","4","1") = "5"
    & skf21("1","6","5","5","3","4","5","1") = "5"
    & skf21("1","6","5","5","3","4","6","1") = "5"
    & skf21("1","6","5","5","3","4","7","1") = "6"
    & skf21("1","6","5","5","3","5","1","1") = "5"
    & skf21("1","6","5","5","3","5","2","1") = "5"
    & skf21("1","6","5","5","3","5","3","1") = "5"
    & skf21("1","6","5","5","3","5","4","1") = "5"
    & skf21("1","6","5","5","3","5","5","1") = "5"
    & skf21("1","6","5","5","3","5","6","1") = "5"
    & skf21("1","6","5","5","3","5","7","1") = "6"
    & skf21("1","6","5","5","3","6","1","1") = "5"
    & skf21("1","6","5","5","3","6","2","1") = "5"
    & skf21("1","6","5","5","3","6","3","1") = "5"
    & skf21("1","6","5","5","3","6","4","1") = "5"
    & skf21("1","6","5","5","3","6","5","1") = "5"
    & skf21("1","6","5","5","3","6","6","1") = "5"
    & skf21("1","6","5","5","3","6","7","1") = "6"
    & skf21("1","6","5","5","3","7","1","1") = "6"
    & skf21("1","6","5","5","3","7","2","1") = "6"
    & skf21("1","6","5","5","3","7","3","1") = "6"
    & skf21("1","6","5","5","3","7","4","1") = "6"
    & skf21("1","6","5","5","3","7","5","1") = "6"
    & skf21("1","6","5","5","3","7","6","1") = "6"
    & skf21("1","6","5","5","3","7","7","1") = "6"
    & skf21("1","6","5","5","4","1","1","1") = "5"
    & skf21("1","6","5","5","4","1","2","1") = "5"
    & skf21("1","6","5","5","4","1","3","1") = "5"
    & skf21("1","6","5","5","4","1","4","1") = "5"
    & skf21("1","6","5","5","4","1","5","1") = "5"
    & skf21("1","6","5","5","4","1","6","1") = "5"
    & skf21("1","6","5","5","4","1","7","1") = "6"
    & skf21("1","6","5","5","4","2","1","1") = "5"
    & skf21("1","6","5","5","4","2","2","1") = "5"
    & skf21("1","6","5","5","4","2","3","1") = "5"
    & skf21("1","6","5","5","4","2","4","1") = "5"
    & skf21("1","6","5","5","4","2","5","1") = "5"
    & skf21("1","6","5","5","4","2","6","1") = "5"
    & skf21("1","6","5","5","4","2","7","1") = "6"
    & skf21("1","6","5","5","4","3","1","1") = "5"
    & skf21("1","6","5","5","4","3","2","1") = "5"
    & skf21("1","6","5","5","4","3","3","1") = "5"
    & skf21("1","6","5","5","4","3","4","1") = "5"
    & skf21("1","6","5","5","4","3","5","1") = "5"
    & skf21("1","6","5","5","4","3","6","1") = "5"
    & skf21("1","6","5","5","4","3","7","1") = "6"
    & skf21("1","6","5","5","4","4","1","1") = "5"
    & skf21("1","6","5","5","4","4","2","1") = "5"
    & skf21("1","6","5","5","4","4","3","1") = "5"
    & skf21("1","6","5","5","4","4","4","1") = "5"
    & skf21("1","6","5","5","4","4","5","1") = "5"
    & skf21("1","6","5","5","4","4","6","1") = "5"
    & skf21("1","6","5","5","4","4","7","1") = "6"
    & skf21("1","6","5","5","4","5","1","1") = "5"
    & skf21("1","6","5","5","4","5","2","1") = "5"
    & skf21("1","6","5","5","4","5","3","1") = "5"
    & skf21("1","6","5","5","4","5","4","1") = "5"
    & skf21("1","6","5","5","4","5","5","1") = "5"
    & skf21("1","6","5","5","4","5","6","1") = "5"
    & skf21("1","6","5","5","4","5","7","1") = "6"
    & skf21("1","6","5","5","4","6","1","1") = "5"
    & skf21("1","6","5","5","4","6","2","1") = "5"
    & skf21("1","6","5","5","4","6","3","1") = "5"
    & skf21("1","6","5","5","4","6","4","1") = "5"
    & skf21("1","6","5","5","4","6","5","1") = "5"
    & skf21("1","6","5","5","4","6","6","1") = "5"
    & skf21("1","6","5","5","4","6","7","1") = "6"
    & skf21("1","6","5","5","4","7","1","1") = "6"
    & skf21("1","6","5","5","4","7","2","1") = "6"
    & skf21("1","6","5","5","4","7","3","1") = "6"
    & skf21("1","6","5","5","4","7","4","1") = "6"
    & skf21("1","6","5","5","4","7","5","1") = "6"
    & skf21("1","6","5","5","4","7","6","1") = "6"
    & skf21("1","6","5","5","4","7","7","1") = "6"
    & skf21("1","6","5","5","5","1","1","1") = "5"
    & skf21("1","6","5","5","5","1","2","1") = "5"
    & skf21("1","6","5","5","5","1","3","1") = "5"
    & skf21("1","6","5","5","5","1","4","1") = "5"
    & skf21("1","6","5","5","5","1","5","1") = "5"
    & skf21("1","6","5","5","5","1","6","1") = "5"
    & skf21("1","6","5","5","5","1","7","1") = "6"
    & skf21("1","6","5","5","5","2","1","1") = "5"
    & skf21("1","6","5","5","5","2","2","1") = "5"
    & skf21("1","6","5","5","5","2","3","1") = "5"
    & skf21("1","6","5","5","5","2","4","1") = "5"
    & skf21("1","6","5","5","5","2","5","1") = "5"
    & skf21("1","6","5","5","5","2","6","1") = "5"
    & skf21("1","6","5","5","5","2","7","1") = "6"
    & skf21("1","6","5","5","5","3","1","1") = "5"
    & skf21("1","6","5","5","5","3","2","1") = "5"
    & skf21("1","6","5","5","5","3","3","1") = "5"
    & skf21("1","6","5","5","5","3","4","1") = "5"
    & skf21("1","6","5","5","5","3","5","1") = "5"
    & skf21("1","6","5","5","5","3","6","1") = "5"
    & skf21("1","6","5","5","5","3","7","1") = "6"
    & skf21("1","6","5","5","5","4","1","1") = "5"
    & skf21("1","6","5","5","5","4","2","1") = "5"
    & skf21("1","6","5","5","5","4","3","1") = "5"
    & skf21("1","6","5","5","5","4","4","1") = "5"
    & skf21("1","6","5","5","5","4","5","1") = "5"
    & skf21("1","6","5","5","5","4","6","1") = "5"
    & skf21("1","6","5","5","5","4","7","1") = "6"
    & skf21("1","6","5","5","5","5","1","1") = "5"
    & skf21("1","6","5","5","5","5","2","1") = "5"
    & skf21("1","6","5","5","5","5","3","1") = "5"
    & skf21("1","6","5","5","5","5","4","1") = "5"
    & skf21("1","6","5","5","5","5","5","1") = "5"
    & skf21("1","6","5","5","5","5","6","1") = "5"
    & skf21("1","6","5","5","5","5","7","1") = "6"
    & skf21("1","6","5","5","5","6","1","1") = "5"
    & skf21("1","6","5","5","5","6","2","1") = "5"
    & skf21("1","6","5","5","5","6","3","1") = "5"
    & skf21("1","6","5","5","5","6","4","1") = "5"
    & skf21("1","6","5","5","5","6","5","1") = "5"
    & skf21("1","6","5","5","5","6","6","1") = "5"
    & skf21("1","6","5","5","5","6","7","1") = "6"
    & skf21("1","6","5","5","5","7","1","1") = "6"
    & skf21("1","6","5","5","5","7","2","1") = "6"
    & skf21("1","6","5","5","5","7","3","1") = "6"
    & skf21("1","6","5","5","5","7","4","1") = "6"
    & skf21("1","6","5","5","5","7","5","1") = "6"
    & skf21("1","6","5","5","5","7","6","1") = "6"
    & skf21("1","6","5","5","5","7","7","1") = "6"
    & skf21("1","6","5","5","6","1","1","1") = "5"
    & skf21("1","6","5","5","6","1","2","1") = "5"
    & skf21("1","6","5","5","6","1","3","1") = "5"
    & skf21("1","6","5","5","6","1","4","1") = "5"
    & skf21("1","6","5","5","6","1","5","1") = "5"
    & skf21("1","6","5","5","6","1","6","1") = "5"
    & skf21("1","6","5","5","6","1","7","1") = "6"
    & skf21("1","6","5","5","6","2","1","1") = "5"
    & skf21("1","6","5","5","6","2","2","1") = "5"
    & skf21("1","6","5","5","6","2","3","1") = "5"
    & skf21("1","6","5","5","6","2","4","1") = "5"
    & skf21("1","6","5","5","6","2","5","1") = "5"
    & skf21("1","6","5","5","6","2","6","1") = "5"
    & skf21("1","6","5","5","6","2","7","1") = "6"
    & skf21("1","6","5","5","6","3","1","1") = "5"
    & skf21("1","6","5","5","6","3","2","1") = "5"
    & skf21("1","6","5","5","6","3","3","1") = "5"
    & skf21("1","6","5","5","6","3","4","1") = "5"
    & skf21("1","6","5","5","6","3","5","1") = "5"
    & skf21("1","6","5","5","6","3","6","1") = "5"
    & skf21("1","6","5","5","6","3","7","1") = "6"
    & skf21("1","6","5","5","6","4","1","1") = "5"
    & skf21("1","6","5","5","6","4","2","1") = "5"
    & skf21("1","6","5","5","6","4","3","1") = "5"
    & skf21("1","6","5","5","6","4","4","1") = "5"
    & skf21("1","6","5","5","6","4","5","1") = "5"
    & skf21("1","6","5","5","6","4","6","1") = "5"
    & skf21("1","6","5","5","6","4","7","1") = "6"
    & skf21("1","6","5","5","6","5","1","1") = "5"
    & skf21("1","6","5","5","6","5","2","1") = "5"
    & skf21("1","6","5","5","6","5","3","1") = "5"
    & skf21("1","6","5","5","6","5","4","1") = "5"
    & skf21("1","6","5","5","6","5","5","1") = "5"
    & skf21("1","6","5","5","6","5","6","1") = "5"
    & skf21("1","6","5","5","6","5","7","1") = "6"
    & skf21("1","6","5","5","6","6","1","1") = "5"
    & skf21("1","6","5","5","6","6","2","1") = "5"
    & skf21("1","6","5","5","6","6","3","1") = "5"
    & skf21("1","6","5","5","6","6","4","1") = "5"
    & skf21("1","6","5","5","6","6","5","1") = "5"
    & skf21("1","6","5","5","6","6","6","1") = "5"
    & skf21("1","6","5","5","6","6","7","1") = "6"
    & skf21("1","6","5","5","6","7","1","1") = "6"
    & skf21("1","6","5","5","6","7","2","1") = "6"
    & skf21("1","6","5","5","6","7","3","1") = "6"
    & skf21("1","6","5","5","6","7","4","1") = "6"
    & skf21("1","6","5","5","6","7","5","1") = "6"
    & skf21("1","6","5","5","6","7","6","1") = "6"
    & skf21("1","6","5","5","6","7","7","1") = "6"
    & skf21("1","6","5","5","7","1","1","1") = "6"
    & skf21("1","6","5","5","7","1","2","1") = "6"
    & skf21("1","6","5","5","7","1","3","1") = "6"
    & skf21("1","6","5","5","7","1","4","1") = "6"
    & skf21("1","6","5","5","7","1","5","1") = "6"
    & skf21("1","6","5","5","7","1","6","1") = "6"
    & skf21("1","6","5","5","7","1","7","1") = "6"
    & skf21("1","6","5","5","7","2","1","1") = "6"
    & skf21("1","6","5","5","7","2","2","1") = "6"
    & skf21("1","6","5","5","7","2","3","1") = "6"
    & skf21("1","6","5","5","7","2","4","1") = "6"
    & skf21("1","6","5","5","7","2","5","1") = "6"
    & skf21("1","6","5","5","7","2","6","1") = "6"
    & skf21("1","6","5","5","7","2","7","1") = "6"
    & skf21("1","6","5","5","7","3","1","1") = "6"
    & skf21("1","6","5","5","7","3","2","1") = "6"
    & skf21("1","6","5","5","7","3","3","1") = "6"
    & skf21("1","6","5","5","7","3","4","1") = "6"
    & skf21("1","6","5","5","7","3","5","1") = "6"
    & skf21("1","6","5","5","7","3","6","1") = "6"
    & skf21("1","6","5","5","7","3","7","1") = "6"
    & skf21("1","6","5","5","7","4","1","1") = "6"
    & skf21("1","6","5","5","7","4","2","1") = "6"
    & skf21("1","6","5","5","7","4","3","1") = "6"
    & skf21("1","6","5","5","7","4","4","1") = "6"
    & skf21("1","6","5","5","7","4","5","1") = "6"
    & skf21("1","6","5","5","7","4","6","1") = "6"
    & skf21("1","6","5","5","7","4","7","1") = "6"
    & skf21("1","6","5","5","7","5","1","1") = "6"
    & skf21("1","6","5","5","7","5","2","1") = "6"
    & skf21("1","6","5","5","7","5","3","1") = "6"
    & skf21("1","6","5","5","7","5","4","1") = "6"
    & skf21("1","6","5","5","7","5","5","1") = "6"
    & skf21("1","6","5","5","7","5","6","1") = "6"
    & skf21("1","6","5","5","7","5","7","1") = "6"
    & skf21("1","6","5","5","7","6","1","1") = "6"
    & skf21("1","6","5","5","7","6","2","1") = "6"
    & skf21("1","6","5","5","7","6","3","1") = "6"
    & skf21("1","6","5","5","7","6","4","1") = "6"
    & skf21("1","6","5","5","7","6","5","1") = "6"
    & skf21("1","6","5","5","7","6","6","1") = "6"
    & skf21("1","6","5","5","7","6","7","1") = "6"
    & skf21("1","6","5","5","7","7","1","1") = "6"
    & skf21("1","6","5","5","7","7","2","1") = "6"
    & skf21("1","6","5","5","7","7","3","1") = "6"
    & skf21("1","6","5","5","7","7","4","1") = "6"
    & skf21("1","6","5","5","7","7","5","1") = "6"
    & skf21("1","6","5","5","7","7","6","1") = "6"
    & skf21("1","6","5","5","7","7","7","1") = "6"
    & skf21("1","6","5","6","1","1","1","1") = "5"
    & skf21("1","6","5","6","1","1","2","1") = "5"
    & skf21("1","6","5","6","1","1","3","1") = "5"
    & skf21("1","6","5","6","1","1","4","1") = "5"
    & skf21("1","6","5","6","1","1","5","1") = "5"
    & skf21("1","6","5","6","1","1","6","1") = "5"
    & skf21("1","6","5","6","1","1","7","1") = "6"
    & skf21("1","6","5","6","1","2","1","1") = "5"
    & skf21("1","6","5","6","1","2","2","1") = "5"
    & skf21("1","6","5","6","1","2","3","1") = "5"
    & skf21("1","6","5","6","1","2","4","1") = "5"
    & skf21("1","6","5","6","1","2","5","1") = "5"
    & skf21("1","6","5","6","1","2","6","1") = "5"
    & skf21("1","6","5","6","1","2","7","1") = "6"
    & skf21("1","6","5","6","1","3","1","1") = "5"
    & skf21("1","6","5","6","1","3","2","1") = "5"
    & skf21("1","6","5","6","1","3","3","1") = "5"
    & skf21("1","6","5","6","1","3","4","1") = "5"
    & skf21("1","6","5","6","1","3","5","1") = "5"
    & skf21("1","6","5","6","1","3","6","1") = "5"
    & skf21("1","6","5","6","1","3","7","1") = "6"
    & skf21("1","6","5","6","1","4","1","1") = "5"
    & skf21("1","6","5","6","1","4","2","1") = "5"
    & skf21("1","6","5","6","1","4","3","1") = "5"
    & skf21("1","6","5","6","1","4","4","1") = "5"
    & skf21("1","6","5","6","1","4","5","1") = "5"
    & skf21("1","6","5","6","1","4","6","1") = "5"
    & skf21("1","6","5","6","1","4","7","1") = "6"
    & skf21("1","6","5","6","1","5","1","1") = "5"
    & skf21("1","6","5","6","1","5","2","1") = "5"
    & skf21("1","6","5","6","1","5","3","1") = "5"
    & skf21("1","6","5","6","1","5","4","1") = "5"
    & skf21("1","6","5","6","1","5","5","1") = "5"
    & skf21("1","6","5","6","1","5","6","1") = "5"
    & skf21("1","6","5","6","1","5","7","1") = "6"
    & skf21("1","6","5","6","1","6","1","1") = "5"
    & skf21("1","6","5","6","1","6","2","1") = "5"
    & skf21("1","6","5","6","1","6","3","1") = "5"
    & skf21("1","6","5","6","1","6","4","1") = "5"
    & skf21("1","6","5","6","1","6","5","1") = "5"
    & skf21("1","6","5","6","1","6","6","1") = "5"
    & skf21("1","6","5","6","1","6","7","1") = "6"
    & skf21("1","6","5","6","1","7","1","1") = "6"
    & skf21("1","6","5","6","1","7","2","1") = "6"
    & skf21("1","6","5","6","1","7","3","1") = "6"
    & skf21("1","6","5","6","1","7","4","1") = "6"
    & skf21("1","6","5","6","1","7","5","1") = "6"
    & skf21("1","6","5","6","1","7","6","1") = "6"
    & skf21("1","6","5","6","1","7","7","1") = "6"
    & skf21("1","6","5","6","2","1","1","1") = "5"
    & skf21("1","6","5","6","2","1","2","1") = "5"
    & skf21("1","6","5","6","2","1","3","1") = "5"
    & skf21("1","6","5","6","2","1","4","1") = "5"
    & skf21("1","6","5","6","2","1","5","1") = "5"
    & skf21("1","6","5","6","2","1","6","1") = "5"
    & skf21("1","6","5","6","2","1","7","1") = "6"
    & skf21("1","6","5","6","2","2","1","1") = "5"
    & skf21("1","6","5","6","2","2","2","1") = "5"
    & skf21("1","6","5","6","2","2","3","1") = "5"
    & skf21("1","6","5","6","2","2","4","1") = "5"
    & skf21("1","6","5","6","2","2","5","1") = "5"
    & skf21("1","6","5","6","2","2","6","1") = "5"
    & skf21("1","6","5","6","2","2","7","1") = "6"
    & skf21("1","6","5","6","2","3","1","1") = "5"
    & skf21("1","6","5","6","2","3","2","1") = "5"
    & skf21("1","6","5","6","2","3","3","1") = "5"
    & skf21("1","6","5","6","2","3","4","1") = "5"
    & skf21("1","6","5","6","2","3","5","1") = "5"
    & skf21("1","6","5","6","2","3","6","1") = "5"
    & skf21("1","6","5","6","2","3","7","1") = "6"
    & skf21("1","6","5","6","2","4","1","1") = "5"
    & skf21("1","6","5","6","2","4","2","1") = "5"
    & skf21("1","6","5","6","2","4","3","1") = "5"
    & skf21("1","6","5","6","2","4","4","1") = "5"
    & skf21("1","6","5","6","2","4","5","1") = "5"
    & skf21("1","6","5","6","2","4","6","1") = "5"
    & skf21("1","6","5","6","2","4","7","1") = "6"
    & skf21("1","6","5","6","2","5","1","1") = "5"
    & skf21("1","6","5","6","2","5","2","1") = "5"
    & skf21("1","6","5","6","2","5","3","1") = "5"
    & skf21("1","6","5","6","2","5","4","1") = "5"
    & skf21("1","6","5","6","2","5","5","1") = "5"
    & skf21("1","6","5","6","2","5","6","1") = "5"
    & skf21("1","6","5","6","2","5","7","1") = "6"
    & skf21("1","6","5","6","2","6","1","1") = "5"
    & skf21("1","6","5","6","2","6","2","1") = "5"
    & skf21("1","6","5","6","2","6","3","1") = "5"
    & skf21("1","6","5","6","2","6","4","1") = "5"
    & skf21("1","6","5","6","2","6","5","1") = "5"
    & skf21("1","6","5","6","2","6","6","1") = "5"
    & skf21("1","6","5","6","2","6","7","1") = "6"
    & skf21("1","6","5","6","2","7","1","1") = "6"
    & skf21("1","6","5","6","2","7","2","1") = "6"
    & skf21("1","6","5","6","2","7","3","1") = "6"
    & skf21("1","6","5","6","2","7","4","1") = "6"
    & skf21("1","6","5","6","2","7","5","1") = "6"
    & skf21("1","6","5","6","2","7","6","1") = "6"
    & skf21("1","6","5","6","2","7","7","1") = "6"
    & skf21("1","6","5","6","3","1","1","1") = "5"
    & skf21("1","6","5","6","3","1","2","1") = "5"
    & skf21("1","6","5","6","3","1","3","1") = "5"
    & skf21("1","6","5","6","3","1","4","1") = "5"
    & skf21("1","6","5","6","3","1","5","1") = "5"
    & skf21("1","6","5","6","3","1","6","1") = "5"
    & skf21("1","6","5","6","3","1","7","1") = "6"
    & skf21("1","6","5","6","3","2","1","1") = "5"
    & skf21("1","6","5","6","3","2","2","1") = "5"
    & skf21("1","6","5","6","3","2","3","1") = "5"
    & skf21("1","6","5","6","3","2","4","1") = "5"
    & skf21("1","6","5","6","3","2","5","1") = "5"
    & skf21("1","6","5","6","3","2","6","1") = "5"
    & skf21("1","6","5","6","3","2","7","1") = "6"
    & skf21("1","6","5","6","3","3","1","1") = "5"
    & skf21("1","6","5","6","3","3","2","1") = "5"
    & skf21("1","6","5","6","3","3","3","1") = "5"
    & skf21("1","6","5","6","3","3","4","1") = "5"
    & skf21("1","6","5","6","3","3","5","1") = "5"
    & skf21("1","6","5","6","3","3","6","1") = "5"
    & skf21("1","6","5","6","3","3","7","1") = "6"
    & skf21("1","6","5","6","3","4","1","1") = "5"
    & skf21("1","6","5","6","3","4","2","1") = "5"
    & skf21("1","6","5","6","3","4","3","1") = "5"
    & skf21("1","6","5","6","3","4","4","1") = "5"
    & skf21("1","6","5","6","3","4","5","1") = "5"
    & skf21("1","6","5","6","3","4","6","1") = "5"
    & skf21("1","6","5","6","3","4","7","1") = "6"
    & skf21("1","6","5","6","3","5","1","1") = "5"
    & skf21("1","6","5","6","3","5","2","1") = "5"
    & skf21("1","6","5","6","3","5","3","1") = "5"
    & skf21("1","6","5","6","3","5","4","1") = "5"
    & skf21("1","6","5","6","3","5","5","1") = "5"
    & skf21("1","6","5","6","3","5","6","1") = "5"
    & skf21("1","6","5","6","3","5","7","1") = "6"
    & skf21("1","6","5","6","3","6","1","1") = "5"
    & skf21("1","6","5","6","3","6","2","1") = "5"
    & skf21("1","6","5","6","3","6","3","1") = "5"
    & skf21("1","6","5","6","3","6","4","1") = "5"
    & skf21("1","6","5","6","3","6","5","1") = "5"
    & skf21("1","6","5","6","3","6","6","1") = "5"
    & skf21("1","6","5","6","3","6","7","1") = "6"
    & skf21("1","6","5","6","3","7","1","1") = "6"
    & skf21("1","6","5","6","3","7","2","1") = "6"
    & skf21("1","6","5","6","3","7","3","1") = "6"
    & skf21("1","6","5","6","3","7","4","1") = "6"
    & skf21("1","6","5","6","3","7","5","1") = "6"
    & skf21("1","6","5","6","3","7","6","1") = "6"
    & skf21("1","6","5","6","3","7","7","1") = "6"
    & skf21("1","6","5","6","4","1","1","1") = "5"
    & skf21("1","6","5","6","4","1","2","1") = "5"
    & skf21("1","6","5","6","4","1","3","1") = "5"
    & skf21("1","6","5","6","4","1","4","1") = "5"
    & skf21("1","6","5","6","4","1","5","1") = "5"
    & skf21("1","6","5","6","4","1","6","1") = "5"
    & skf21("1","6","5","6","4","1","7","1") = "6"
    & skf21("1","6","5","6","4","2","1","1") = "5"
    & skf21("1","6","5","6","4","2","2","1") = "5"
    & skf21("1","6","5","6","4","2","3","1") = "5"
    & skf21("1","6","5","6","4","2","4","1") = "5"
    & skf21("1","6","5","6","4","2","5","1") = "5"
    & skf21("1","6","5","6","4","2","6","1") = "5"
    & skf21("1","6","5","6","4","2","7","1") = "6"
    & skf21("1","6","5","6","4","3","1","1") = "5"
    & skf21("1","6","5","6","4","3","2","1") = "5"
    & skf21("1","6","5","6","4","3","3","1") = "5"
    & skf21("1","6","5","6","4","3","4","1") = "5"
    & skf21("1","6","5","6","4","3","5","1") = "5"
    & skf21("1","6","5","6","4","3","6","1") = "5"
    & skf21("1","6","5","6","4","3","7","1") = "6"
    & skf21("1","6","5","6","4","4","1","1") = "5"
    & skf21("1","6","5","6","4","4","2","1") = "5"
    & skf21("1","6","5","6","4","4","3","1") = "5"
    & skf21("1","6","5","6","4","4","4","1") = "5"
    & skf21("1","6","5","6","4","4","5","1") = "5"
    & skf21("1","6","5","6","4","4","6","1") = "5"
    & skf21("1","6","5","6","4","4","7","1") = "6"
    & skf21("1","6","5","6","4","5","1","1") = "5"
    & skf21("1","6","5","6","4","5","2","1") = "5"
    & skf21("1","6","5","6","4","5","3","1") = "5"
    & skf21("1","6","5","6","4","5","4","1") = "5"
    & skf21("1","6","5","6","4","5","5","1") = "5"
    & skf21("1","6","5","6","4","5","6","1") = "5"
    & skf21("1","6","5","6","4","5","7","1") = "6"
    & skf21("1","6","5","6","4","6","1","1") = "5"
    & skf21("1","6","5","6","4","6","2","1") = "5"
    & skf21("1","6","5","6","4","6","3","1") = "5"
    & skf21("1","6","5","6","4","6","4","1") = "5"
    & skf21("1","6","5","6","4","6","5","1") = "5"
    & skf21("1","6","5","6","4","6","6","1") = "5"
    & skf21("1","6","5","6","4","6","7","1") = "6"
    & skf21("1","6","5","6","4","7","1","1") = "6"
    & skf21("1","6","5","6","4","7","2","1") = "6"
    & skf21("1","6","5","6","4","7","3","1") = "6"
    & skf21("1","6","5","6","4","7","4","1") = "6"
    & skf21("1","6","5","6","4","7","5","1") = "6"
    & skf21("1","6","5","6","4","7","6","1") = "6"
    & skf21("1","6","5","6","4","7","7","1") = "6"
    & skf21("1","6","5","6","5","1","1","1") = "5"
    & skf21("1","6","5","6","5","1","2","1") = "5"
    & skf21("1","6","5","6","5","1","3","1") = "5"
    & skf21("1","6","5","6","5","1","4","1") = "5"
    & skf21("1","6","5","6","5","1","5","1") = "5"
    & skf21("1","6","5","6","5","1","6","1") = "5"
    & skf21("1","6","5","6","5","1","7","1") = "6"
    & skf21("1","6","5","6","5","2","1","1") = "5"
    & skf21("1","6","5","6","5","2","2","1") = "5"
    & skf21("1","6","5","6","5","2","3","1") = "5"
    & skf21("1","6","5","6","5","2","4","1") = "5"
    & skf21("1","6","5","6","5","2","5","1") = "5"
    & skf21("1","6","5","6","5","2","6","1") = "5"
    & skf21("1","6","5","6","5","2","7","1") = "6"
    & skf21("1","6","5","6","5","3","1","1") = "5"
    & skf21("1","6","5","6","5","3","2","1") = "5"
    & skf21("1","6","5","6","5","3","3","1") = "5"
    & skf21("1","6","5","6","5","3","4","1") = "5"
    & skf21("1","6","5","6","5","3","5","1") = "5"
    & skf21("1","6","5","6","5","3","6","1") = "5"
    & skf21("1","6","5","6","5","3","7","1") = "6"
    & skf21("1","6","5","6","5","4","1","1") = "5"
    & skf21("1","6","5","6","5","4","2","1") = "5"
    & skf21("1","6","5","6","5","4","3","1") = "5"
    & skf21("1","6","5","6","5","4","4","1") = "5"
    & skf21("1","6","5","6","5","4","5","1") = "5"
    & skf21("1","6","5","6","5","4","6","1") = "5"
    & skf21("1","6","5","6","5","4","7","1") = "6"
    & skf21("1","6","5","6","5","5","1","1") = "5"
    & skf21("1","6","5","6","5","5","2","1") = "5"
    & skf21("1","6","5","6","5","5","3","1") = "5"
    & skf21("1","6","5","6","5","5","4","1") = "5"
    & skf21("1","6","5","6","5","5","5","1") = "5"
    & skf21("1","6","5","6","5","5","6","1") = "5"
    & skf21("1","6","5","6","5","5","7","1") = "6"
    & skf21("1","6","5","6","5","6","1","1") = "5"
    & skf21("1","6","5","6","5","6","2","1") = "5"
    & skf21("1","6","5","6","5","6","3","1") = "5"
    & skf21("1","6","5","6","5","6","4","1") = "5"
    & skf21("1","6","5","6","5","6","5","1") = "5"
    & skf21("1","6","5","6","5","6","6","1") = "5"
    & skf21("1","6","5","6","5","6","7","1") = "6"
    & skf21("1","6","5","6","5","7","1","1") = "6"
    & skf21("1","6","5","6","5","7","2","1") = "6"
    & skf21("1","6","5","6","5","7","3","1") = "6"
    & skf21("1","6","5","6","5","7","4","1") = "6"
    & skf21("1","6","5","6","5","7","5","1") = "6"
    & skf21("1","6","5","6","5","7","6","1") = "6"
    & skf21("1","6","5","6","5","7","7","1") = "6"
    & skf21("1","6","5","6","6","1","1","1") = "5"
    & skf21("1","6","5","6","6","1","2","1") = "5"
    & skf21("1","6","5","6","6","1","3","1") = "5"
    & skf21("1","6","5","6","6","1","4","1") = "5"
    & skf21("1","6","5","6","6","1","5","1") = "5"
    & skf21("1","6","5","6","6","1","6","1") = "5"
    & skf21("1","6","5","6","6","1","7","1") = "6"
    & skf21("1","6","5","6","6","2","1","1") = "5"
    & skf21("1","6","5","6","6","2","2","1") = "5"
    & skf21("1","6","5","6","6","2","3","1") = "5"
    & skf21("1","6","5","6","6","2","4","1") = "5"
    & skf21("1","6","5","6","6","2","5","1") = "5"
    & skf21("1","6","5","6","6","2","6","1") = "5"
    & skf21("1","6","5","6","6","2","7","1") = "6"
    & skf21("1","6","5","6","6","3","1","1") = "5"
    & skf21("1","6","5","6","6","3","2","1") = "5"
    & skf21("1","6","5","6","6","3","3","1") = "5"
    & skf21("1","6","5","6","6","3","4","1") = "5"
    & skf21("1","6","5","6","6","3","5","1") = "5"
    & skf21("1","6","5","6","6","3","6","1") = "5"
    & skf21("1","6","5","6","6","3","7","1") = "6"
    & skf21("1","6","5","6","6","4","1","1") = "5"
    & skf21("1","6","5","6","6","4","2","1") = "5"
    & skf21("1","6","5","6","6","4","3","1") = "5"
    & skf21("1","6","5","6","6","4","4","1") = "5"
    & skf21("1","6","5","6","6","4","5","1") = "5"
    & skf21("1","6","5","6","6","4","6","1") = "5"
    & skf21("1","6","5","6","6","4","7","1") = "6"
    & skf21("1","6","5","6","6","5","1","1") = "5"
    & skf21("1","6","5","6","6","5","2","1") = "5"
    & skf21("1","6","5","6","6","5","3","1") = "5"
    & skf21("1","6","5","6","6","5","4","1") = "5"
    & skf21("1","6","5","6","6","5","5","1") = "5"
    & skf21("1","6","5","6","6","5","6","1") = "5"
    & skf21("1","6","5","6","6","5","7","1") = "6"
    & skf21("1","6","5","6","6","6","1","1") = "5"
    & skf21("1","6","5","6","6","6","2","1") = "5"
    & skf21("1","6","5","6","6","6","3","1") = "5"
    & skf21("1","6","5","6","6","6","4","1") = "5"
    & skf21("1","6","5","6","6","6","5","1") = "5"
    & skf21("1","6","5","6","6","6","6","1") = "5"
    & skf21("1","6","5","6","6","6","7","1") = "6"
    & skf21("1","6","5","6","6","7","1","1") = "6"
    & skf21("1","6","5","6","6","7","2","1") = "6"
    & skf21("1","6","5","6","6","7","3","1") = "6"
    & skf21("1","6","5","6","6","7","4","1") = "6"
    & skf21("1","6","5","6","6","7","5","1") = "6"
    & skf21("1","6","5","6","6","7","6","1") = "6"
    & skf21("1","6","5","6","6","7","7","1") = "6"
    & skf21("1","6","5","6","7","1","1","1") = "6"
    & skf21("1","6","5","6","7","1","2","1") = "6"
    & skf21("1","6","5","6","7","1","3","1") = "6"
    & skf21("1","6","5","6","7","1","4","1") = "6"
    & skf21("1","6","5","6","7","1","5","1") = "6"
    & skf21("1","6","5","6","7","1","6","1") = "6"
    & skf21("1","6","5","6","7","1","7","1") = "6"
    & skf21("1","6","5","6","7","2","1","1") = "6"
    & skf21("1","6","5","6","7","2","2","1") = "6"
    & skf21("1","6","5","6","7","2","3","1") = "6"
    & skf21("1","6","5","6","7","2","4","1") = "6"
    & skf21("1","6","5","6","7","2","5","1") = "6"
    & skf21("1","6","5","6","7","2","6","1") = "6"
    & skf21("1","6","5","6","7","2","7","1") = "6"
    & skf21("1","6","5","6","7","3","1","1") = "6"
    & skf21("1","6","5","6","7","3","2","1") = "6"
    & skf21("1","6","5","6","7","3","3","1") = "6"
    & skf21("1","6","5","6","7","3","4","1") = "6"
    & skf21("1","6","5","6","7","3","5","1") = "6"
    & skf21("1","6","5","6","7","3","6","1") = "6"
    & skf21("1","6","5","6","7","3","7","1") = "6"
    & skf21("1","6","5","6","7","4","1","1") = "6"
    & skf21("1","6","5","6","7","4","2","1") = "6"
    & skf21("1","6","5","6","7","4","3","1") = "6"
    & skf21("1","6","5","6","7","4","4","1") = "6"
    & skf21("1","6","5","6","7","4","5","1") = "6"
    & skf21("1","6","5","6","7","4","6","1") = "6"
    & skf21("1","6","5","6","7","4","7","1") = "6"
    & skf21("1","6","5","6","7","5","1","1") = "6"
    & skf21("1","6","5","6","7","5","2","1") = "6"
    & skf21("1","6","5","6","7","5","3","1") = "6"
    & skf21("1","6","5","6","7","5","4","1") = "6"
    & skf21("1","6","5","6","7","5","5","1") = "6"
    & skf21("1","6","5","6","7","5","6","1") = "6"
    & skf21("1","6","5","6","7","5","7","1") = "6"
    & skf21("1","6","5","6","7","6","1","1") = "6"
    & skf21("1","6","5","6","7","6","2","1") = "6"
    & skf21("1","6","5","6","7","6","3","1") = "6"
    & skf21("1","6","5","6","7","6","4","1") = "6"
    & skf21("1","6","5","6","7","6","5","1") = "6"
    & skf21("1","6","5","6","7","6","6","1") = "6"
    & skf21("1","6","5","6","7","6","7","1") = "6"
    & skf21("1","6","5","6","7","7","1","1") = "6"
    & skf21("1","6","5","6","7","7","2","1") = "6"
    & skf21("1","6","5","6","7","7","3","1") = "6"
    & skf21("1","6","5","6","7","7","4","1") = "6"
    & skf21("1","6","5","6","7","7","5","1") = "6"
    & skf21("1","6","5","6","7","7","6","1") = "6"
    & skf21("1","6","5","6","7","7","7","1") = "6"
    & skf21("1","6","5","7","1","1","1","1") = "6"
    & skf21("1","6","5","7","1","1","2","1") = "6"
    & skf21("1","6","5","7","1","1","3","1") = "6"
    & skf21("1","6","5","7","1","1","4","1") = "6"
    & skf21("1","6","5","7","1","1","5","1") = "6"
    & skf21("1","6","5","7","1","1","6","1") = "6"
    & skf21("1","6","5","7","1","1","7","1") = "6"
    & skf21("1","6","5","7","1","2","1","1") = "6"
    & skf21("1","6","5","7","1","2","2","1") = "6"
    & skf21("1","6","5","7","1","2","3","1") = "6"
    & skf21("1","6","5","7","1","2","4","1") = "6"
    & skf21("1","6","5","7","1","2","5","1") = "6"
    & skf21("1","6","5","7","1","2","6","1") = "6"
    & skf21("1","6","5","7","1","2","7","1") = "6"
    & skf21("1","6","5","7","1","3","1","1") = "6"
    & skf21("1","6","5","7","1","3","2","1") = "6"
    & skf21("1","6","5","7","1","3","3","1") = "6"
    & skf21("1","6","5","7","1","3","4","1") = "6"
    & skf21("1","6","5","7","1","3","5","1") = "6"
    & skf21("1","6","5","7","1","3","6","1") = "6"
    & skf21("1","6","5","7","1","3","7","1") = "6"
    & skf21("1","6","5","7","1","4","1","1") = "6"
    & skf21("1","6","5","7","1","4","2","1") = "6"
    & skf21("1","6","5","7","1","4","3","1") = "6"
    & skf21("1","6","5","7","1","4","4","1") = "6"
    & skf21("1","6","5","7","1","4","5","1") = "6"
    & skf21("1","6","5","7","1","4","6","1") = "6"
    & skf21("1","6","5","7","1","4","7","1") = "6"
    & skf21("1","6","5","7","1","5","1","1") = "6"
    & skf21("1","6","5","7","1","5","2","1") = "6"
    & skf21("1","6","5","7","1","5","3","1") = "6"
    & skf21("1","6","5","7","1","5","4","1") = "6"
    & skf21("1","6","5","7","1","5","5","1") = "6"
    & skf21("1","6","5","7","1","5","6","1") = "6"
    & skf21("1","6","5","7","1","5","7","1") = "6"
    & skf21("1","6","5","7","1","6","1","1") = "6"
    & skf21("1","6","5","7","1","6","2","1") = "6"
    & skf21("1","6","5","7","1","6","3","1") = "6"
    & skf21("1","6","5","7","1","6","4","1") = "6"
    & skf21("1","6","5","7","1","6","5","1") = "6"
    & skf21("1","6","5","7","1","6","6","1") = "6"
    & skf21("1","6","5","7","1","6","7","1") = "6"
    & skf21("1","6","5","7","1","7","1","1") = "6"
    & skf21("1","6","5","7","1","7","2","1") = "6"
    & skf21("1","6","5","7","1","7","3","1") = "6"
    & skf21("1","6","5","7","1","7","4","1") = "6"
    & skf21("1","6","5","7","1","7","5","1") = "6"
    & skf21("1","6","5","7","1","7","6","1") = "6"
    & skf21("1","6","5","7","1","7","7","1") = "6"
    & skf21("1","6","5","7","2","1","1","1") = "6"
    & skf21("1","6","5","7","2","1","2","1") = "6"
    & skf21("1","6","5","7","2","1","3","1") = "6"
    & skf21("1","6","5","7","2","1","4","1") = "6"
    & skf21("1","6","5","7","2","1","5","1") = "6"
    & skf21("1","6","5","7","2","1","6","1") = "6"
    & skf21("1","6","5","7","2","1","7","1") = "6"
    & skf21("1","6","5","7","2","2","1","1") = "6"
    & skf21("1","6","5","7","2","2","2","1") = "6"
    & skf21("1","6","5","7","2","2","3","1") = "6"
    & skf21("1","6","5","7","2","2","4","1") = "6"
    & skf21("1","6","5","7","2","2","5","1") = "6"
    & skf21("1","6","5","7","2","2","6","1") = "6"
    & skf21("1","6","5","7","2","2","7","1") = "6"
    & skf21("1","6","5","7","2","3","1","1") = "6"
    & skf21("1","6","5","7","2","3","2","1") = "6"
    & skf21("1","6","5","7","2","3","3","1") = "6"
    & skf21("1","6","5","7","2","3","4","1") = "6"
    & skf21("1","6","5","7","2","3","5","1") = "6"
    & skf21("1","6","5","7","2","3","6","1") = "6"
    & skf21("1","6","5","7","2","3","7","1") = "6"
    & skf21("1","6","5","7","2","4","1","1") = "6"
    & skf21("1","6","5","7","2","4","2","1") = "6"
    & skf21("1","6","5","7","2","4","3","1") = "6"
    & skf21("1","6","5","7","2","4","4","1") = "6"
    & skf21("1","6","5","7","2","4","5","1") = "6"
    & skf21("1","6","5","7","2","4","6","1") = "6"
    & skf21("1","6","5","7","2","4","7","1") = "6"
    & skf21("1","6","5","7","2","5","1","1") = "6"
    & skf21("1","6","5","7","2","5","2","1") = "6"
    & skf21("1","6","5","7","2","5","3","1") = "6"
    & skf21("1","6","5","7","2","5","4","1") = "6"
    & skf21("1","6","5","7","2","5","5","1") = "6"
    & skf21("1","6","5","7","2","5","6","1") = "6"
    & skf21("1","6","5","7","2","5","7","1") = "6"
    & skf21("1","6","5","7","2","6","1","1") = "6"
    & skf21("1","6","5","7","2","6","2","1") = "6"
    & skf21("1","6","5","7","2","6","3","1") = "6"
    & skf21("1","6","5","7","2","6","4","1") = "6"
    & skf21("1","6","5","7","2","6","5","1") = "6"
    & skf21("1","6","5","7","2","6","6","1") = "6"
    & skf21("1","6","5","7","2","6","7","1") = "6"
    & skf21("1","6","5","7","2","7","1","1") = "6"
    & skf21("1","6","5","7","2","7","2","1") = "6"
    & skf21("1","6","5","7","2","7","3","1") = "6"
    & skf21("1","6","5","7","2","7","4","1") = "6"
    & skf21("1","6","5","7","2","7","5","1") = "6"
    & skf21("1","6","5","7","2","7","6","1") = "6"
    & skf21("1","6","5","7","2","7","7","1") = "6"
    & skf21("1","6","5","7","3","1","1","1") = "6"
    & skf21("1","6","5","7","3","1","2","1") = "6"
    & skf21("1","6","5","7","3","1","3","1") = "6"
    & skf21("1","6","5","7","3","1","4","1") = "6"
    & skf21("1","6","5","7","3","1","5","1") = "6"
    & skf21("1","6","5","7","3","1","6","1") = "6"
    & skf21("1","6","5","7","3","1","7","1") = "6"
    & skf21("1","6","5","7","3","2","1","1") = "6"
    & skf21("1","6","5","7","3","2","2","1") = "6"
    & skf21("1","6","5","7","3","2","3","1") = "6"
    & skf21("1","6","5","7","3","2","4","1") = "6"
    & skf21("1","6","5","7","3","2","5","1") = "6"
    & skf21("1","6","5","7","3","2","6","1") = "6"
    & skf21("1","6","5","7","3","2","7","1") = "6"
    & skf21("1","6","5","7","3","3","1","1") = "6"
    & skf21("1","6","5","7","3","3","2","1") = "6"
    & skf21("1","6","5","7","3","3","3","1") = "6"
    & skf21("1","6","5","7","3","3","4","1") = "6"
    & skf21("1","6","5","7","3","3","5","1") = "6"
    & skf21("1","6","5","7","3","3","6","1") = "6"
    & skf21("1","6","5","7","3","3","7","1") = "6"
    & skf21("1","6","5","7","3","4","1","1") = "6"
    & skf21("1","6","5","7","3","4","2","1") = "6"
    & skf21("1","6","5","7","3","4","3","1") = "6"
    & skf21("1","6","5","7","3","4","4","1") = "6"
    & skf21("1","6","5","7","3","4","5","1") = "6"
    & skf21("1","6","5","7","3","4","6","1") = "6"
    & skf21("1","6","5","7","3","4","7","1") = "6"
    & skf21("1","6","5","7","3","5","1","1") = "6"
    & skf21("1","6","5","7","3","5","2","1") = "6"
    & skf21("1","6","5","7","3","5","3","1") = "6"
    & skf21("1","6","5","7","3","5","4","1") = "6"
    & skf21("1","6","5","7","3","5","5","1") = "6"
    & skf21("1","6","5","7","3","5","6","1") = "6"
    & skf21("1","6","5","7","3","5","7","1") = "6"
    & skf21("1","6","5","7","3","6","1","1") = "6"
    & skf21("1","6","5","7","3","6","2","1") = "6"
    & skf21("1","6","5","7","3","6","3","1") = "6"
    & skf21("1","6","5","7","3","6","4","1") = "6"
    & skf21("1","6","5","7","3","6","5","1") = "6"
    & skf21("1","6","5","7","3","6","6","1") = "6"
    & skf21("1","6","5","7","3","6","7","1") = "6"
    & skf21("1","6","5","7","3","7","1","1") = "6"
    & skf21("1","6","5","7","3","7","2","1") = "6"
    & skf21("1","6","5","7","3","7","3","1") = "6"
    & skf21("1","6","5","7","3","7","4","1") = "6"
    & skf21("1","6","5","7","3","7","5","1") = "6"
    & skf21("1","6","5","7","3","7","6","1") = "6"
    & skf21("1","6","5","7","3","7","7","1") = "6"
    & skf21("1","6","5","7","4","1","1","1") = "6"
    & skf21("1","6","5","7","4","1","2","1") = "6"
    & skf21("1","6","5","7","4","1","3","1") = "6"
    & skf21("1","6","5","7","4","1","4","1") = "6"
    & skf21("1","6","5","7","4","1","5","1") = "6"
    & skf21("1","6","5","7","4","1","6","1") = "6"
    & skf21("1","6","5","7","4","1","7","1") = "6"
    & skf21("1","6","5","7","4","2","1","1") = "6"
    & skf21("1","6","5","7","4","2","2","1") = "6"
    & skf21("1","6","5","7","4","2","3","1") = "6"
    & skf21("1","6","5","7","4","2","4","1") = "6"
    & skf21("1","6","5","7","4","2","5","1") = "6"
    & skf21("1","6","5","7","4","2","6","1") = "6"
    & skf21("1","6","5","7","4","2","7","1") = "6"
    & skf21("1","6","5","7","4","3","1","1") = "6"
    & skf21("1","6","5","7","4","3","2","1") = "6"
    & skf21("1","6","5","7","4","3","3","1") = "6"
    & skf21("1","6","5","7","4","3","4","1") = "6"
    & skf21("1","6","5","7","4","3","5","1") = "6"
    & skf21("1","6","5","7","4","3","6","1") = "6"
    & skf21("1","6","5","7","4","3","7","1") = "6"
    & skf21("1","6","5","7","4","4","1","1") = "6"
    & skf21("1","6","5","7","4","4","2","1") = "6"
    & skf21("1","6","5","7","4","4","3","1") = "6"
    & skf21("1","6","5","7","4","4","4","1") = "6"
    & skf21("1","6","5","7","4","4","5","1") = "6"
    & skf21("1","6","5","7","4","4","6","1") = "6"
    & skf21("1","6","5","7","4","4","7","1") = "6"
    & skf21("1","6","5","7","4","5","1","1") = "6"
    & skf21("1","6","5","7","4","5","2","1") = "6"
    & skf21("1","6","5","7","4","5","3","1") = "6"
    & skf21("1","6","5","7","4","5","4","1") = "6"
    & skf21("1","6","5","7","4","5","5","1") = "6"
    & skf21("1","6","5","7","4","5","6","1") = "6"
    & skf21("1","6","5","7","4","5","7","1") = "6"
    & skf21("1","6","5","7","4","6","1","1") = "6"
    & skf21("1","6","5","7","4","6","2","1") = "6"
    & skf21("1","6","5","7","4","6","3","1") = "6"
    & skf21("1","6","5","7","4","6","4","1") = "6"
    & skf21("1","6","5","7","4","6","5","1") = "6"
    & skf21("1","6","5","7","4","6","6","1") = "6"
    & skf21("1","6","5","7","4","6","7","1") = "6"
    & skf21("1","6","5","7","4","7","1","1") = "6"
    & skf21("1","6","5","7","4","7","2","1") = "6"
    & skf21("1","6","5","7","4","7","3","1") = "6"
    & skf21("1","6","5","7","4","7","4","1") = "6"
    & skf21("1","6","5","7","4","7","5","1") = "6"
    & skf21("1","6","5","7","4","7","6","1") = "6"
    & skf21("1","6","5","7","4","7","7","1") = "6"
    & skf21("1","6","5","7","5","1","1","1") = "6"
    & skf21("1","6","5","7","5","1","2","1") = "6"
    & skf21("1","6","5","7","5","1","3","1") = "6"
    & skf21("1","6","5","7","5","1","4","1") = "6"
    & skf21("1","6","5","7","5","1","5","1") = "6"
    & skf21("1","6","5","7","5","1","6","1") = "6"
    & skf21("1","6","5","7","5","1","7","1") = "6"
    & skf21("1","6","5","7","5","2","1","1") = "6"
    & skf21("1","6","5","7","5","2","2","1") = "6"
    & skf21("1","6","5","7","5","2","3","1") = "6"
    & skf21("1","6","5","7","5","2","4","1") = "6"
    & skf21("1","6","5","7","5","2","5","1") = "6"
    & skf21("1","6","5","7","5","2","6","1") = "6"
    & skf21("1","6","5","7","5","2","7","1") = "6"
    & skf21("1","6","5","7","5","3","1","1") = "6"
    & skf21("1","6","5","7","5","3","2","1") = "6"
    & skf21("1","6","5","7","5","3","3","1") = "6"
    & skf21("1","6","5","7","5","3","4","1") = "6"
    & skf21("1","6","5","7","5","3","5","1") = "6"
    & skf21("1","6","5","7","5","3","6","1") = "6"
    & skf21("1","6","5","7","5","3","7","1") = "6"
    & skf21("1","6","5","7","5","4","1","1") = "6"
    & skf21("1","6","5","7","5","4","2","1") = "6"
    & skf21("1","6","5","7","5","4","3","1") = "6"
    & skf21("1","6","5","7","5","4","4","1") = "6"
    & skf21("1","6","5","7","5","4","5","1") = "6"
    & skf21("1","6","5","7","5","4","6","1") = "6"
    & skf21("1","6","5","7","5","4","7","1") = "6"
    & skf21("1","6","5","7","5","5","1","1") = "6"
    & skf21("1","6","5","7","5","5","2","1") = "6"
    & skf21("1","6","5","7","5","5","3","1") = "6"
    & skf21("1","6","5","7","5","5","4","1") = "6"
    & skf21("1","6","5","7","5","5","5","1") = "6"
    & skf21("1","6","5","7","5","5","6","1") = "6"
    & skf21("1","6","5","7","5","5","7","1") = "6"
    & skf21("1","6","5","7","5","6","1","1") = "6"
    & skf21("1","6","5","7","5","6","2","1") = "6"
    & skf21("1","6","5","7","5","6","3","1") = "6"
    & skf21("1","6","5","7","5","6","4","1") = "6"
    & skf21("1","6","5","7","5","6","5","1") = "6"
    & skf21("1","6","5","7","5","6","6","1") = "6"
    & skf21("1","6","5","7","5","6","7","1") = "6"
    & skf21("1","6","5","7","5","7","1","1") = "6"
    & skf21("1","6","5","7","5","7","2","1") = "6"
    & skf21("1","6","5","7","5","7","3","1") = "6"
    & skf21("1","6","5","7","5","7","4","1") = "6"
    & skf21("1","6","5","7","5","7","5","1") = "6"
    & skf21("1","6","5","7","5","7","6","1") = "6"
    & skf21("1","6","5","7","5","7","7","1") = "6"
    & skf21("1","6","5","7","6","1","1","1") = "6"
    & skf21("1","6","5","7","6","1","2","1") = "6"
    & skf21("1","6","5","7","6","1","3","1") = "6"
    & skf21("1","6","5","7","6","1","4","1") = "6"
    & skf21("1","6","5","7","6","1","5","1") = "6"
    & skf21("1","6","5","7","6","1","6","1") = "6"
    & skf21("1","6","5","7","6","1","7","1") = "6"
    & skf21("1","6","5","7","6","2","1","1") = "6"
    & skf21("1","6","5","7","6","2","2","1") = "6"
    & skf21("1","6","5","7","6","2","3","1") = "6"
    & skf21("1","6","5","7","6","2","4","1") = "6"
    & skf21("1","6","5","7","6","2","5","1") = "6"
    & skf21("1","6","5","7","6","2","6","1") = "6"
    & skf21("1","6","5","7","6","2","7","1") = "6"
    & skf21("1","6","5","7","6","3","1","1") = "6"
    & skf21("1","6","5","7","6","3","2","1") = "6"
    & skf21("1","6","5","7","6","3","3","1") = "6"
    & skf21("1","6","5","7","6","3","4","1") = "6"
    & skf21("1","6","5","7","6","3","5","1") = "6"
    & skf21("1","6","5","7","6","3","6","1") = "6"
    & skf21("1","6","5","7","6","3","7","1") = "6"
    & skf21("1","6","5","7","6","4","1","1") = "6"
    & skf21("1","6","5","7","6","4","2","1") = "6"
    & skf21("1","6","5","7","6","4","3","1") = "6"
    & skf21("1","6","5","7","6","4","4","1") = "6"
    & skf21("1","6","5","7","6","4","5","1") = "6"
    & skf21("1","6","5","7","6","4","6","1") = "6"
    & skf21("1","6","5","7","6","4","7","1") = "6"
    & skf21("1","6","5","7","6","5","1","1") = "6"
    & skf21("1","6","5","7","6","5","2","1") = "6"
    & skf21("1","6","5","7","6","5","3","1") = "6"
    & skf21("1","6","5","7","6","5","4","1") = "6"
    & skf21("1","6","5","7","6","5","5","1") = "6"
    & skf21("1","6","5","7","6","5","6","1") = "6"
    & skf21("1","6","5","7","6","5","7","1") = "6"
    & skf21("1","6","5","7","6","6","1","1") = "6"
    & skf21("1","6","5","7","6","6","2","1") = "6"
    & skf21("1","6","5","7","6","6","3","1") = "6"
    & skf21("1","6","5","7","6","6","4","1") = "6"
    & skf21("1","6","5","7","6","6","5","1") = "6"
    & skf21("1","6","5","7","6","6","6","1") = "6"
    & skf21("1","6","5","7","6","6","7","1") = "6"
    & skf21("1","6","5","7","6","7","1","1") = "6"
    & skf21("1","6","5","7","6","7","2","1") = "6"
    & skf21("1","6","5","7","6","7","3","1") = "6"
    & skf21("1","6","5","7","6","7","4","1") = "6"
    & skf21("1","6","5","7","6","7","5","1") = "6"
    & skf21("1","6","5","7","6","7","6","1") = "6"
    & skf21("1","6","5","7","6","7","7","1") = "6"
    & skf21("1","6","5","7","7","1","1","1") = "6"
    & skf21("1","6","5","7","7","1","2","1") = "6"
    & skf21("1","6","5","7","7","1","3","1") = "6"
    & skf21("1","6","5","7","7","1","4","1") = "6"
    & skf21("1","6","5","7","7","1","5","1") = "6"
    & skf21("1","6","5","7","7","1","6","1") = "6"
    & skf21("1","6","5","7","7","1","7","1") = "6"
    & skf21("1","6","5","7","7","2","1","1") = "6"
    & skf21("1","6","5","7","7","2","2","1") = "6"
    & skf21("1","6","5","7","7","2","3","1") = "6"
    & skf21("1","6","5","7","7","2","4","1") = "6"
    & skf21("1","6","5","7","7","2","5","1") = "6"
    & skf21("1","6","5","7","7","2","6","1") = "6"
    & skf21("1","6","5","7","7","2","7","1") = "6"
    & skf21("1","6","5","7","7","3","1","1") = "6"
    & skf21("1","6","5","7","7","3","2","1") = "6"
    & skf21("1","6","5","7","7","3","3","1") = "6"
    & skf21("1","6","5","7","7","3","4","1") = "6"
    & skf21("1","6","5","7","7","3","5","1") = "6"
    & skf21("1","6","5","7","7","3","6","1") = "6"
    & skf21("1","6","5","7","7","3","7","1") = "6"
    & skf21("1","6","5","7","7","4","1","1") = "6"
    & skf21("1","6","5","7","7","4","2","1") = "6"
    & skf21("1","6","5","7","7","4","3","1") = "6"
    & skf21("1","6","5","7","7","4","4","1") = "6"
    & skf21("1","6","5","7","7","4","5","1") = "6"
    & skf21("1","6","5","7","7","4","6","1") = "6"
    & skf21("1","6","5","7","7","4","7","1") = "6"
    & skf21("1","6","5","7","7","5","1","1") = "6"
    & skf21("1","6","5","7","7","5","2","1") = "6"
    & skf21("1","6","5","7","7","5","3","1") = "6"
    & skf21("1","6","5","7","7","5","4","1") = "6"
    & skf21("1","6","5","7","7","5","5","1") = "6"
    & skf21("1","6","5","7","7","5","6","1") = "6"
    & skf21("1","6","5","7","7","5","7","1") = "6"
    & skf21("1","6","5","7","7","6","1","1") = "6"
    & skf21("1","6","5","7","7","6","2","1") = "6"
    & skf21("1","6","5","7","7","6","3","1") = "6"
    & skf21("1","6","5","7","7","6","4","1") = "6"
    & skf21("1","6","5","7","7","6","5","1") = "6"
    & skf21("1","6","5","7","7","6","6","1") = "6"
    & skf21("1","6","5","7","7","6","7","1") = "6"
    & skf21("1","6","5","7","7","7","1","1") = "6"
    & skf21("1","6","5","7","7","7","2","1") = "6"
    & skf21("1","6","5","7","7","7","3","1") = "6"
    & skf21("1","6","5","7","7","7","4","1") = "6"
    & skf21("1","6","5","7","7","7","5","1") = "6"
    & skf21("1","6","5","7","7","7","6","1") = "6"
    & skf21("1","6","5","7","7","7","7","1") = "6"
    & skf21("1","6","6","1","1","1","1","1") = "5"
    & skf21("1","6","6","1","1","1","2","1") = "5"
    & skf21("1","6","6","1","1","1","3","1") = "5"
    & skf21("1","6","6","1","1","1","4","1") = "5"
    & skf21("1","6","6","1","1","1","5","1") = "5"
    & skf21("1","6","6","1","1","1","6","1") = "5"
    & skf21("1","6","6","1","1","1","7","1") = "6"
    & skf21("1","6","6","1","1","2","1","1") = "5"
    & skf21("1","6","6","1","1","2","2","1") = "5"
    & skf21("1","6","6","1","1","2","3","1") = "5"
    & skf21("1","6","6","1","1","2","4","1") = "5"
    & skf21("1","6","6","1","1","2","5","1") = "5"
    & skf21("1","6","6","1","1","2","6","1") = "5"
    & skf21("1","6","6","1","1","2","7","1") = "6"
    & skf21("1","6","6","1","1","3","1","1") = "5"
    & skf21("1","6","6","1","1","3","2","1") = "5"
    & skf21("1","6","6","1","1","3","3","1") = "5"
    & skf21("1","6","6","1","1","3","4","1") = "5"
    & skf21("1","6","6","1","1","3","5","1") = "5"
    & skf21("1","6","6","1","1","3","6","1") = "5"
    & skf21("1","6","6","1","1","3","7","1") = "6"
    & skf21("1","6","6","1","1","4","1","1") = "5"
    & skf21("1","6","6","1","1","4","2","1") = "5"
    & skf21("1","6","6","1","1","4","3","1") = "5"
    & skf21("1","6","6","1","1","4","4","1") = "5"
    & skf21("1","6","6","1","1","4","5","1") = "5"
    & skf21("1","6","6","1","1","4","6","1") = "5"
    & skf21("1","6","6","1","1","4","7","1") = "6"
    & skf21("1","6","6","1","1","5","1","1") = "5"
    & skf21("1","6","6","1","1","5","2","1") = "5"
    & skf21("1","6","6","1","1","5","3","1") = "5"
    & skf21("1","6","6","1","1","5","4","1") = "5"
    & skf21("1","6","6","1","1","5","5","1") = "5"
    & skf21("1","6","6","1","1","5","6","1") = "5"
    & skf21("1","6","6","1","1","5","7","1") = "6"
    & skf21("1","6","6","1","1","6","1","1") = "5"
    & skf21("1","6","6","1","1","6","2","1") = "5"
    & skf21("1","6","6","1","1","6","3","1") = "5"
    & skf21("1","6","6","1","1","6","4","1") = "5"
    & skf21("1","6","6","1","1","6","5","1") = "5"
    & skf21("1","6","6","1","1","6","6","1") = "5"
    & skf21("1","6","6","1","1","6","7","1") = "6"
    & skf21("1","6","6","1","1","7","1","1") = "6"
    & skf21("1","6","6","1","1","7","2","1") = "6"
    & skf21("1","6","6","1","1","7","3","1") = "6"
    & skf21("1","6","6","1","1","7","4","1") = "6"
    & skf21("1","6","6","1","1","7","5","1") = "6"
    & skf21("1","6","6","1","1","7","6","1") = "6"
    & skf21("1","6","6","1","1","7","7","1") = "6"
    & skf21("1","6","6","1","2","1","1","1") = "5"
    & skf21("1","6","6","1","2","1","2","1") = "5"
    & skf21("1","6","6","1","2","1","3","1") = "5"
    & skf21("1","6","6","1","2","1","4","1") = "5"
    & skf21("1","6","6","1","2","1","5","1") = "5"
    & skf21("1","6","6","1","2","1","6","1") = "5"
    & skf21("1","6","6","1","2","1","7","1") = "6"
    & skf21("1","6","6","1","2","2","1","1") = "5"
    & skf21("1","6","6","1","2","2","2","1") = "5"
    & skf21("1","6","6","1","2","2","3","1") = "5"
    & skf21("1","6","6","1","2","2","4","1") = "5"
    & skf21("1","6","6","1","2","2","5","1") = "5"
    & skf21("1","6","6","1","2","2","6","1") = "5"
    & skf21("1","6","6","1","2","2","7","1") = "6"
    & skf21("1","6","6","1","2","3","1","1") = "5"
    & skf21("1","6","6","1","2","3","2","1") = "5"
    & skf21("1","6","6","1","2","3","3","1") = "5"
    & skf21("1","6","6","1","2","3","4","1") = "5"
    & skf21("1","6","6","1","2","3","5","1") = "5"
    & skf21("1","6","6","1","2","3","6","1") = "5"
    & skf21("1","6","6","1","2","3","7","1") = "6"
    & skf21("1","6","6","1","2","4","1","1") = "5"
    & skf21("1","6","6","1","2","4","2","1") = "5"
    & skf21("1","6","6","1","2","4","3","1") = "5"
    & skf21("1","6","6","1","2","4","4","1") = "5"
    & skf21("1","6","6","1","2","4","5","1") = "5"
    & skf21("1","6","6","1","2","4","6","1") = "5"
    & skf21("1","6","6","1","2","4","7","1") = "6"
    & skf21("1","6","6","1","2","5","1","1") = "5"
    & skf21("1","6","6","1","2","5","2","1") = "5"
    & skf21("1","6","6","1","2","5","3","1") = "5"
    & skf21("1","6","6","1","2","5","4","1") = "5"
    & skf21("1","6","6","1","2","5","5","1") = "5"
    & skf21("1","6","6","1","2","5","6","1") = "5"
    & skf21("1","6","6","1","2","5","7","1") = "6"
    & skf21("1","6","6","1","2","6","1","1") = "5"
    & skf21("1","6","6","1","2","6","2","1") = "5"
    & skf21("1","6","6","1","2","6","3","1") = "5"
    & skf21("1","6","6","1","2","6","4","1") = "5"
    & skf21("1","6","6","1","2","6","5","1") = "5"
    & skf21("1","6","6","1","2","6","6","1") = "5"
    & skf21("1","6","6","1","2","6","7","1") = "6"
    & skf21("1","6","6","1","2","7","1","1") = "6"
    & skf21("1","6","6","1","2","7","2","1") = "6"
    & skf21("1","6","6","1","2","7","3","1") = "6"
    & skf21("1","6","6","1","2","7","4","1") = "6"
    & skf21("1","6","6","1","2","7","5","1") = "6"
    & skf21("1","6","6","1","2","7","6","1") = "6"
    & skf21("1","6","6","1","2","7","7","1") = "6"
    & skf21("1","6","6","1","3","1","1","1") = "5"
    & skf21("1","6","6","1","3","1","2","1") = "5"
    & skf21("1","6","6","1","3","1","3","1") = "5"
    & skf21("1","6","6","1","3","1","4","1") = "5"
    & skf21("1","6","6","1","3","1","5","1") = "5"
    & skf21("1","6","6","1","3","1","6","1") = "5"
    & skf21("1","6","6","1","3","1","7","1") = "6"
    & skf21("1","6","6","1","3","2","1","1") = "5"
    & skf21("1","6","6","1","3","2","2","1") = "5"
    & skf21("1","6","6","1","3","2","3","1") = "5"
    & skf21("1","6","6","1","3","2","4","1") = "5"
    & skf21("1","6","6","1","3","2","5","1") = "5"
    & skf21("1","6","6","1","3","2","6","1") = "5"
    & skf21("1","6","6","1","3","2","7","1") = "6"
    & skf21("1","6","6","1","3","3","1","1") = "5"
    & skf21("1","6","6","1","3","3","2","1") = "5"
    & skf21("1","6","6","1","3","3","3","1") = "5"
    & skf21("1","6","6","1","3","3","4","1") = "5"
    & skf21("1","6","6","1","3","3","5","1") = "5"
    & skf21("1","6","6","1","3","3","6","1") = "5"
    & skf21("1","6","6","1","3","3","7","1") = "6"
    & skf21("1","6","6","1","3","4","1","1") = "5"
    & skf21("1","6","6","1","3","4","2","1") = "5"
    & skf21("1","6","6","1","3","4","3","1") = "5"
    & skf21("1","6","6","1","3","4","4","1") = "5"
    & skf21("1","6","6","1","3","4","5","1") = "5"
    & skf21("1","6","6","1","3","4","6","1") = "5"
    & skf21("1","6","6","1","3","4","7","1") = "6"
    & skf21("1","6","6","1","3","5","1","1") = "5"
    & skf21("1","6","6","1","3","5","2","1") = "5"
    & skf21("1","6","6","1","3","5","3","1") = "5"
    & skf21("1","6","6","1","3","5","4","1") = "5"
    & skf21("1","6","6","1","3","5","5","1") = "5"
    & skf21("1","6","6","1","3","5","6","1") = "5"
    & skf21("1","6","6","1","3","5","7","1") = "6"
    & skf21("1","6","6","1","3","6","1","1") = "5"
    & skf21("1","6","6","1","3","6","2","1") = "5"
    & skf21("1","6","6","1","3","6","3","1") = "5"
    & skf21("1","6","6","1","3","6","4","1") = "5"
    & skf21("1","6","6","1","3","6","5","1") = "5"
    & skf21("1","6","6","1","3","6","6","1") = "5"
    & skf21("1","6","6","1","3","6","7","1") = "6"
    & skf21("1","6","6","1","3","7","1","1") = "6"
    & skf21("1","6","6","1","3","7","2","1") = "6"
    & skf21("1","6","6","1","3","7","3","1") = "6"
    & skf21("1","6","6","1","3","7","4","1") = "6"
    & skf21("1","6","6","1","3","7","5","1") = "6"
    & skf21("1","6","6","1","3","7","6","1") = "6"
    & skf21("1","6","6","1","3","7","7","1") = "6"
    & skf21("1","6","6","1","4","1","1","1") = "5"
    & skf21("1","6","6","1","4","1","2","1") = "5"
    & skf21("1","6","6","1","4","1","3","1") = "5"
    & skf21("1","6","6","1","4","1","4","1") = "5"
    & skf21("1","6","6","1","4","1","5","1") = "5"
    & skf21("1","6","6","1","4","1","6","1") = "5"
    & skf21("1","6","6","1","4","1","7","1") = "6"
    & skf21("1","6","6","1","4","2","1","1") = "5"
    & skf21("1","6","6","1","4","2","2","1") = "5"
    & skf21("1","6","6","1","4","2","3","1") = "5"
    & skf21("1","6","6","1","4","2","4","1") = "5"
    & skf21("1","6","6","1","4","2","5","1") = "5"
    & skf21("1","6","6","1","4","2","6","1") = "5"
    & skf21("1","6","6","1","4","2","7","1") = "6"
    & skf21("1","6","6","1","4","3","1","1") = "5"
    & skf21("1","6","6","1","4","3","2","1") = "5"
    & skf21("1","6","6","1","4","3","3","1") = "5"
    & skf21("1","6","6","1","4","3","4","1") = "5"
    & skf21("1","6","6","1","4","3","5","1") = "5"
    & skf21("1","6","6","1","4","3","6","1") = "5"
    & skf21("1","6","6","1","4","3","7","1") = "6"
    & skf21("1","6","6","1","4","4","1","1") = "5"
    & skf21("1","6","6","1","4","4","2","1") = "5"
    & skf21("1","6","6","1","4","4","3","1") = "5"
    & skf21("1","6","6","1","4","4","4","1") = "5"
    & skf21("1","6","6","1","4","4","5","1") = "5"
    & skf21("1","6","6","1","4","4","6","1") = "5"
    & skf21("1","6","6","1","4","4","7","1") = "6"
    & skf21("1","6","6","1","4","5","1","1") = "5"
    & skf21("1","6","6","1","4","5","2","1") = "5"
    & skf21("1","6","6","1","4","5","3","1") = "5"
    & skf21("1","6","6","1","4","5","4","1") = "5"
    & skf21("1","6","6","1","4","5","5","1") = "5"
    & skf21("1","6","6","1","4","5","6","1") = "5"
    & skf21("1","6","6","1","4","5","7","1") = "6"
    & skf21("1","6","6","1","4","6","1","1") = "5"
    & skf21("1","6","6","1","4","6","2","1") = "5"
    & skf21("1","6","6","1","4","6","3","1") = "5"
    & skf21("1","6","6","1","4","6","4","1") = "5"
    & skf21("1","6","6","1","4","6","5","1") = "5"
    & skf21("1","6","6","1","4","6","6","1") = "5"
    & skf21("1","6","6","1","4","6","7","1") = "6"
    & skf21("1","6","6","1","4","7","1","1") = "6"
    & skf21("1","6","6","1","4","7","2","1") = "6"
    & skf21("1","6","6","1","4","7","3","1") = "6"
    & skf21("1","6","6","1","4","7","4","1") = "6"
    & skf21("1","6","6","1","4","7","5","1") = "6"
    & skf21("1","6","6","1","4","7","6","1") = "6"
    & skf21("1","6","6","1","4","7","7","1") = "6"
    & skf21("1","6","6","1","5","1","1","1") = "5"
    & skf21("1","6","6","1","5","1","2","1") = "5"
    & skf21("1","6","6","1","5","1","3","1") = "5"
    & skf21("1","6","6","1","5","1","4","1") = "5"
    & skf21("1","6","6","1","5","1","5","1") = "5"
    & skf21("1","6","6","1","5","1","6","1") = "5"
    & skf21("1","6","6","1","5","1","7","1") = "6"
    & skf21("1","6","6","1","5","2","1","1") = "5"
    & skf21("1","6","6","1","5","2","2","1") = "5"
    & skf21("1","6","6","1","5","2","3","1") = "5"
    & skf21("1","6","6","1","5","2","4","1") = "5"
    & skf21("1","6","6","1","5","2","5","1") = "5"
    & skf21("1","6","6","1","5","2","6","1") = "5"
    & skf21("1","6","6","1","5","2","7","1") = "6"
    & skf21("1","6","6","1","5","3","1","1") = "5"
    & skf21("1","6","6","1","5","3","2","1") = "5"
    & skf21("1","6","6","1","5","3","3","1") = "5"
    & skf21("1","6","6","1","5","3","4","1") = "5"
    & skf21("1","6","6","1","5","3","5","1") = "5"
    & skf21("1","6","6","1","5","3","6","1") = "5"
    & skf21("1","6","6","1","5","3","7","1") = "6"
    & skf21("1","6","6","1","5","4","1","1") = "5"
    & skf21("1","6","6","1","5","4","2","1") = "5"
    & skf21("1","6","6","1","5","4","3","1") = "5"
    & skf21("1","6","6","1","5","4","4","1") = "5"
    & skf21("1","6","6","1","5","4","5","1") = "5"
    & skf21("1","6","6","1","5","4","6","1") = "5"
    & skf21("1","6","6","1","5","4","7","1") = "6"
    & skf21("1","6","6","1","5","5","1","1") = "5"
    & skf21("1","6","6","1","5","5","2","1") = "5"
    & skf21("1","6","6","1","5","5","3","1") = "5"
    & skf21("1","6","6","1","5","5","4","1") = "5"
    & skf21("1","6","6","1","5","5","5","1") = "5"
    & skf21("1","6","6","1","5","5","6","1") = "5"
    & skf21("1","6","6","1","5","5","7","1") = "6"
    & skf21("1","6","6","1","5","6","1","1") = "5"
    & skf21("1","6","6","1","5","6","2","1") = "5"
    & skf21("1","6","6","1","5","6","3","1") = "5"
    & skf21("1","6","6","1","5","6","4","1") = "5"
    & skf21("1","6","6","1","5","6","5","1") = "5"
    & skf21("1","6","6","1","5","6","6","1") = "5"
    & skf21("1","6","6","1","5","6","7","1") = "6"
    & skf21("1","6","6","1","5","7","1","1") = "6"
    & skf21("1","6","6","1","5","7","2","1") = "6"
    & skf21("1","6","6","1","5","7","3","1") = "6"
    & skf21("1","6","6","1","5","7","4","1") = "6"
    & skf21("1","6","6","1","5","7","5","1") = "6"
    & skf21("1","6","6","1","5","7","6","1") = "6"
    & skf21("1","6","6","1","5","7","7","1") = "6"
    & skf21("1","6","6","1","6","1","1","1") = "5"
    & skf21("1","6","6","1","6","1","2","1") = "5"
    & skf21("1","6","6","1","6","1","3","1") = "5"
    & skf21("1","6","6","1","6","1","4","1") = "5"
    & skf21("1","6","6","1","6","1","5","1") = "5"
    & skf21("1","6","6","1","6","1","6","1") = "5"
    & skf21("1","6","6","1","6","1","7","1") = "6"
    & skf21("1","6","6","1","6","2","1","1") = "5"
    & skf21("1","6","6","1","6","2","2","1") = "5"
    & skf21("1","6","6","1","6","2","3","1") = "5"
    & skf21("1","6","6","1","6","2","4","1") = "5"
    & skf21("1","6","6","1","6","2","5","1") = "5"
    & skf21("1","6","6","1","6","2","6","1") = "5"
    & skf21("1","6","6","1","6","2","7","1") = "6"
    & skf21("1","6","6","1","6","3","1","1") = "5"
    & skf21("1","6","6","1","6","3","2","1") = "5"
    & skf21("1","6","6","1","6","3","3","1") = "5"
    & skf21("1","6","6","1","6","3","4","1") = "5"
    & skf21("1","6","6","1","6","3","5","1") = "5"
    & skf21("1","6","6","1","6","3","6","1") = "5"
    & skf21("1","6","6","1","6","3","7","1") = "6"
    & skf21("1","6","6","1","6","4","1","1") = "5"
    & skf21("1","6","6","1","6","4","2","1") = "5"
    & skf21("1","6","6","1","6","4","3","1") = "5"
    & skf21("1","6","6","1","6","4","4","1") = "5"
    & skf21("1","6","6","1","6","4","5","1") = "5"
    & skf21("1","6","6","1","6","4","6","1") = "5"
    & skf21("1","6","6","1","6","4","7","1") = "6"
    & skf21("1","6","6","1","6","5","1","1") = "5"
    & skf21("1","6","6","1","6","5","2","1") = "5"
    & skf21("1","6","6","1","6","5","3","1") = "5"
    & skf21("1","6","6","1","6","5","4","1") = "5"
    & skf21("1","6","6","1","6","5","5","1") = "5"
    & skf21("1","6","6","1","6","5","6","1") = "5"
    & skf21("1","6","6","1","6","5","7","1") = "6"
    & skf21("1","6","6","1","6","6","1","1") = "5"
    & skf21("1","6","6","1","6","6","2","1") = "5"
    & skf21("1","6","6","1","6","6","3","1") = "5"
    & skf21("1","6","6","1","6","6","4","1") = "5"
    & skf21("1","6","6","1","6","6","5","1") = "5"
    & skf21("1","6","6","1","6","6","6","1") = "5"
    & skf21("1","6","6","1","6","6","7","1") = "6"
    & skf21("1","6","6","1","6","7","1","1") = "6"
    & skf21("1","6","6","1","6","7","2","1") = "6"
    & skf21("1","6","6","1","6","7","3","1") = "6"
    & skf21("1","6","6","1","6","7","4","1") = "6"
    & skf21("1","6","6","1","6","7","5","1") = "6"
    & skf21("1","6","6","1","6","7","6","1") = "6"
    & skf21("1","6","6","1","6","7","7","1") = "6"
    & skf21("1","6","6","1","7","1","1","1") = "6"
    & skf21("1","6","6","1","7","1","2","1") = "6"
    & skf21("1","6","6","1","7","1","3","1") = "6"
    & skf21("1","6","6","1","7","1","4","1") = "6"
    & skf21("1","6","6","1","7","1","5","1") = "6"
    & skf21("1","6","6","1","7","1","6","1") = "6"
    & skf21("1","6","6","1","7","1","7","1") = "6"
    & skf21("1","6","6","1","7","2","1","1") = "6"
    & skf21("1","6","6","1","7","2","2","1") = "6"
    & skf21("1","6","6","1","7","2","3","1") = "6"
    & skf21("1","6","6","1","7","2","4","1") = "6"
    & skf21("1","6","6","1","7","2","5","1") = "6"
    & skf21("1","6","6","1","7","2","6","1") = "6"
    & skf21("1","6","6","1","7","2","7","1") = "6"
    & skf21("1","6","6","1","7","3","1","1") = "6"
    & skf21("1","6","6","1","7","3","2","1") = "6"
    & skf21("1","6","6","1","7","3","3","1") = "6"
    & skf21("1","6","6","1","7","3","4","1") = "6"
    & skf21("1","6","6","1","7","3","5","1") = "6"
    & skf21("1","6","6","1","7","3","6","1") = "6"
    & skf21("1","6","6","1","7","3","7","1") = "6"
    & skf21("1","6","6","1","7","4","1","1") = "6"
    & skf21("1","6","6","1","7","4","2","1") = "6"
    & skf21("1","6","6","1","7","4","3","1") = "6"
    & skf21("1","6","6","1","7","4","4","1") = "6"
    & skf21("1","6","6","1","7","4","5","1") = "6"
    & skf21("1","6","6","1","7","4","6","1") = "6"
    & skf21("1","6","6","1","7","4","7","1") = "6"
    & skf21("1","6","6","1","7","5","1","1") = "6"
    & skf21("1","6","6","1","7","5","2","1") = "6"
    & skf21("1","6","6","1","7","5","3","1") = "6"
    & skf21("1","6","6","1","7","5","4","1") = "6"
    & skf21("1","6","6","1","7","5","5","1") = "6"
    & skf21("1","6","6","1","7","5","6","1") = "6"
    & skf21("1","6","6","1","7","5","7","1") = "6"
    & skf21("1","6","6","1","7","6","1","1") = "6"
    & skf21("1","6","6","1","7","6","2","1") = "6"
    & skf21("1","6","6","1","7","6","3","1") = "6"
    & skf21("1","6","6","1","7","6","4","1") = "6"
    & skf21("1","6","6","1","7","6","5","1") = "6"
    & skf21("1","6","6","1","7","6","6","1") = "6"
    & skf21("1","6","6","1","7","6","7","1") = "6"
    & skf21("1","6","6","1","7","7","1","1") = "6"
    & skf21("1","6","6","1","7","7","2","1") = "6"
    & skf21("1","6","6","1","7","7","3","1") = "6"
    & skf21("1","6","6","1","7","7","4","1") = "6"
    & skf21("1","6","6","1","7","7","5","1") = "6"
    & skf21("1","6","6","1","7","7","6","1") = "6"
    & skf21("1","6","6","1","7","7","7","1") = "6"
    & skf21("1","6","6","2","1","1","1","1") = "5"
    & skf21("1","6","6","2","1","1","2","1") = "5"
    & skf21("1","6","6","2","1","1","3","1") = "5"
    & skf21("1","6","6","2","1","1","4","1") = "5"
    & skf21("1","6","6","2","1","1","5","1") = "5"
    & skf21("1","6","6","2","1","1","6","1") = "5"
    & skf21("1","6","6","2","1","1","7","1") = "6"
    & skf21("1","6","6","2","1","2","1","1") = "5"
    & skf21("1","6","6","2","1","2","2","1") = "5"
    & skf21("1","6","6","2","1","2","3","1") = "5"
    & skf21("1","6","6","2","1","2","4","1") = "5"
    & skf21("1","6","6","2","1","2","5","1") = "5"
    & skf21("1","6","6","2","1","2","6","1") = "5"
    & skf21("1","6","6","2","1","2","7","1") = "6"
    & skf21("1","6","6","2","1","3","1","1") = "5"
    & skf21("1","6","6","2","1","3","2","1") = "5"
    & skf21("1","6","6","2","1","3","3","1") = "5"
    & skf21("1","6","6","2","1","3","4","1") = "5"
    & skf21("1","6","6","2","1","3","5","1") = "5"
    & skf21("1","6","6","2","1","3","6","1") = "5"
    & skf21("1","6","6","2","1","3","7","1") = "6"
    & skf21("1","6","6","2","1","4","1","1") = "5"
    & skf21("1","6","6","2","1","4","2","1") = "5"
    & skf21("1","6","6","2","1","4","3","1") = "5"
    & skf21("1","6","6","2","1","4","4","1") = "5"
    & skf21("1","6","6","2","1","4","5","1") = "5"
    & skf21("1","6","6","2","1","4","6","1") = "5"
    & skf21("1","6","6","2","1","4","7","1") = "6"
    & skf21("1","6","6","2","1","5","1","1") = "5"
    & skf21("1","6","6","2","1","5","2","1") = "5"
    & skf21("1","6","6","2","1","5","3","1") = "5"
    & skf21("1","6","6","2","1","5","4","1") = "5"
    & skf21("1","6","6","2","1","5","5","1") = "5"
    & skf21("1","6","6","2","1","5","6","1") = "5"
    & skf21("1","6","6","2","1","5","7","1") = "6"
    & skf21("1","6","6","2","1","6","1","1") = "5"
    & skf21("1","6","6","2","1","6","2","1") = "5"
    & skf21("1","6","6","2","1","6","3","1") = "5"
    & skf21("1","6","6","2","1","6","4","1") = "5"
    & skf21("1","6","6","2","1","6","5","1") = "5"
    & skf21("1","6","6","2","1","6","6","1") = "5"
    & skf21("1","6","6","2","1","6","7","1") = "6"
    & skf21("1","6","6","2","1","7","1","1") = "6"
    & skf21("1","6","6","2","1","7","2","1") = "6"
    & skf21("1","6","6","2","1","7","3","1") = "6"
    & skf21("1","6","6","2","1","7","4","1") = "6"
    & skf21("1","6","6","2","1","7","5","1") = "6"
    & skf21("1","6","6","2","1","7","6","1") = "6"
    & skf21("1","6","6","2","1","7","7","1") = "6"
    & skf21("1","6","6","2","2","1","1","1") = "5"
    & skf21("1","6","6","2","2","1","2","1") = "5"
    & skf21("1","6","6","2","2","1","3","1") = "5"
    & skf21("1","6","6","2","2","1","4","1") = "5"
    & skf21("1","6","6","2","2","1","5","1") = "5"
    & skf21("1","6","6","2","2","1","6","1") = "5"
    & skf21("1","6","6","2","2","1","7","1") = "6"
    & skf21("1","6","6","2","2","2","1","1") = "5"
    & skf21("1","6","6","2","2","2","2","1") = "5"
    & skf21("1","6","6","2","2","2","3","1") = "5"
    & skf21("1","6","6","2","2","2","4","1") = "5"
    & skf21("1","6","6","2","2","2","5","1") = "5"
    & skf21("1","6","6","2","2","2","6","1") = "5"
    & skf21("1","6","6","2","2","2","7","1") = "6"
    & skf21("1","6","6","2","2","3","1","1") = "5"
    & skf21("1","6","6","2","2","3","2","1") = "5"
    & skf21("1","6","6","2","2","3","3","1") = "5"
    & skf21("1","6","6","2","2","3","4","1") = "5"
    & skf21("1","6","6","2","2","3","5","1") = "5"
    & skf21("1","6","6","2","2","3","6","1") = "5"
    & skf21("1","6","6","2","2","3","7","1") = "6"
    & skf21("1","6","6","2","2","4","1","1") = "5"
    & skf21("1","6","6","2","2","4","2","1") = "5"
    & skf21("1","6","6","2","2","4","3","1") = "5"
    & skf21("1","6","6","2","2","4","4","1") = "5"
    & skf21("1","6","6","2","2","4","5","1") = "5"
    & skf21("1","6","6","2","2","4","6","1") = "5"
    & skf21("1","6","6","2","2","4","7","1") = "6"
    & skf21("1","6","6","2","2","5","1","1") = "5"
    & skf21("1","6","6","2","2","5","2","1") = "5"
    & skf21("1","6","6","2","2","5","3","1") = "5"
    & skf21("1","6","6","2","2","5","4","1") = "5"
    & skf21("1","6","6","2","2","5","5","1") = "5"
    & skf21("1","6","6","2","2","5","6","1") = "5"
    & skf21("1","6","6","2","2","5","7","1") = "6"
    & skf21("1","6","6","2","2","6","1","1") = "5"
    & skf21("1","6","6","2","2","6","2","1") = "5"
    & skf21("1","6","6","2","2","6","3","1") = "5"
    & skf21("1","6","6","2","2","6","4","1") = "5"
    & skf21("1","6","6","2","2","6","5","1") = "5"
    & skf21("1","6","6","2","2","6","6","1") = "5"
    & skf21("1","6","6","2","2","6","7","1") = "6"
    & skf21("1","6","6","2","2","7","1","1") = "6"
    & skf21("1","6","6","2","2","7","2","1") = "6"
    & skf21("1","6","6","2","2","7","3","1") = "6"
    & skf21("1","6","6","2","2","7","4","1") = "6"
    & skf21("1","6","6","2","2","7","5","1") = "6"
    & skf21("1","6","6","2","2","7","6","1") = "6"
    & skf21("1","6","6","2","2","7","7","1") = "6"
    & skf21("1","6","6","2","3","1","1","1") = "5"
    & skf21("1","6","6","2","3","1","2","1") = "5"
    & skf21("1","6","6","2","3","1","3","1") = "5"
    & skf21("1","6","6","2","3","1","4","1") = "5"
    & skf21("1","6","6","2","3","1","5","1") = "5"
    & skf21("1","6","6","2","3","1","6","1") = "5"
    & skf21("1","6","6","2","3","1","7","1") = "6"
    & skf21("1","6","6","2","3","2","1","1") = "5"
    & skf21("1","6","6","2","3","2","2","1") = "5"
    & skf21("1","6","6","2","3","2","3","1") = "5"
    & skf21("1","6","6","2","3","2","4","1") = "5"
    & skf21("1","6","6","2","3","2","5","1") = "5"
    & skf21("1","6","6","2","3","2","6","1") = "5"
    & skf21("1","6","6","2","3","2","7","1") = "6"
    & skf21("1","6","6","2","3","3","1","1") = "5"
    & skf21("1","6","6","2","3","3","2","1") = "5"
    & skf21("1","6","6","2","3","3","3","1") = "5"
    & skf21("1","6","6","2","3","3","4","1") = "5"
    & skf21("1","6","6","2","3","3","5","1") = "5"
    & skf21("1","6","6","2","3","3","6","1") = "5"
    & skf21("1","6","6","2","3","3","7","1") = "6"
    & skf21("1","6","6","2","3","4","1","1") = "5"
    & skf21("1","6","6","2","3","4","2","1") = "5"
    & skf21("1","6","6","2","3","4","3","1") = "5"
    & skf21("1","6","6","2","3","4","4","1") = "5"
    & skf21("1","6","6","2","3","4","5","1") = "5"
    & skf21("1","6","6","2","3","4","6","1") = "5"
    & skf21("1","6","6","2","3","4","7","1") = "6"
    & skf21("1","6","6","2","3","5","1","1") = "5"
    & skf21("1","6","6","2","3","5","2","1") = "5"
    & skf21("1","6","6","2","3","5","3","1") = "5"
    & skf21("1","6","6","2","3","5","4","1") = "5"
    & skf21("1","6","6","2","3","5","5","1") = "5"
    & skf21("1","6","6","2","3","5","6","1") = "5"
    & skf21("1","6","6","2","3","5","7","1") = "6"
    & skf21("1","6","6","2","3","6","1","1") = "5"
    & skf21("1","6","6","2","3","6","2","1") = "5"
    & skf21("1","6","6","2","3","6","3","1") = "5"
    & skf21("1","6","6","2","3","6","4","1") = "5"
    & skf21("1","6","6","2","3","6","5","1") = "5"
    & skf21("1","6","6","2","3","6","6","1") = "5"
    & skf21("1","6","6","2","3","6","7","1") = "6"
    & skf21("1","6","6","2","3","7","1","1") = "6"
    & skf21("1","6","6","2","3","7","2","1") = "6"
    & skf21("1","6","6","2","3","7","3","1") = "6"
    & skf21("1","6","6","2","3","7","4","1") = "6"
    & skf21("1","6","6","2","3","7","5","1") = "6"
    & skf21("1","6","6","2","3","7","6","1") = "6"
    & skf21("1","6","6","2","3","7","7","1") = "6"
    & skf21("1","6","6","2","4","1","1","1") = "5"
    & skf21("1","6","6","2","4","1","2","1") = "5"
    & skf21("1","6","6","2","4","1","3","1") = "5"
    & skf21("1","6","6","2","4","1","4","1") = "5"
    & skf21("1","6","6","2","4","1","5","1") = "5"
    & skf21("1","6","6","2","4","1","6","1") = "5"
    & skf21("1","6","6","2","4","1","7","1") = "6"
    & skf21("1","6","6","2","4","2","1","1") = "5"
    & skf21("1","6","6","2","4","2","2","1") = "5"
    & skf21("1","6","6","2","4","2","3","1") = "5"
    & skf21("1","6","6","2","4","2","4","1") = "5"
    & skf21("1","6","6","2","4","2","5","1") = "5"
    & skf21("1","6","6","2","4","2","6","1") = "5"
    & skf21("1","6","6","2","4","2","7","1") = "6"
    & skf21("1","6","6","2","4","3","1","1") = "5"
    & skf21("1","6","6","2","4","3","2","1") = "5"
    & skf21("1","6","6","2","4","3","3","1") = "5"
    & skf21("1","6","6","2","4","3","4","1") = "5"
    & skf21("1","6","6","2","4","3","5","1") = "5"
    & skf21("1","6","6","2","4","3","6","1") = "5"
    & skf21("1","6","6","2","4","3","7","1") = "6"
    & skf21("1","6","6","2","4","4","1","1") = "5"
    & skf21("1","6","6","2","4","4","2","1") = "5"
    & skf21("1","6","6","2","4","4","3","1") = "5"
    & skf21("1","6","6","2","4","4","4","1") = "5"
    & skf21("1","6","6","2","4","4","5","1") = "5"
    & skf21("1","6","6","2","4","4","6","1") = "5"
    & skf21("1","6","6","2","4","4","7","1") = "6"
    & skf21("1","6","6","2","4","5","1","1") = "5"
    & skf21("1","6","6","2","4","5","2","1") = "5"
    & skf21("1","6","6","2","4","5","3","1") = "5"
    & skf21("1","6","6","2","4","5","4","1") = "5"
    & skf21("1","6","6","2","4","5","5","1") = "5"
    & skf21("1","6","6","2","4","5","6","1") = "5"
    & skf21("1","6","6","2","4","5","7","1") = "6"
    & skf21("1","6","6","2","4","6","1","1") = "5"
    & skf21("1","6","6","2","4","6","2","1") = "5"
    & skf21("1","6","6","2","4","6","3","1") = "5"
    & skf21("1","6","6","2","4","6","4","1") = "5"
    & skf21("1","6","6","2","4","6","5","1") = "5"
    & skf21("1","6","6","2","4","6","6","1") = "5"
    & skf21("1","6","6","2","4","6","7","1") = "6"
    & skf21("1","6","6","2","4","7","1","1") = "6"
    & skf21("1","6","6","2","4","7","2","1") = "6"
    & skf21("1","6","6","2","4","7","3","1") = "6"
    & skf21("1","6","6","2","4","7","4","1") = "6"
    & skf21("1","6","6","2","4","7","5","1") = "6"
    & skf21("1","6","6","2","4","7","6","1") = "6"
    & skf21("1","6","6","2","4","7","7","1") = "6"
    & skf21("1","6","6","2","5","1","1","1") = "5"
    & skf21("1","6","6","2","5","1","2","1") = "5"
    & skf21("1","6","6","2","5","1","3","1") = "5"
    & skf21("1","6","6","2","5","1","4","1") = "5"
    & skf21("1","6","6","2","5","1","5","1") = "5"
    & skf21("1","6","6","2","5","1","6","1") = "5"
    & skf21("1","6","6","2","5","1","7","1") = "6"
    & skf21("1","6","6","2","5","2","1","1") = "5"
    & skf21("1","6","6","2","5","2","2","1") = "5"
    & skf21("1","6","6","2","5","2","3","1") = "5"
    & skf21("1","6","6","2","5","2","4","1") = "5"
    & skf21("1","6","6","2","5","2","5","1") = "5"
    & skf21("1","6","6","2","5","2","6","1") = "5"
    & skf21("1","6","6","2","5","2","7","1") = "6"
    & skf21("1","6","6","2","5","3","1","1") = "5"
    & skf21("1","6","6","2","5","3","2","1") = "5"
    & skf21("1","6","6","2","5","3","3","1") = "5"
    & skf21("1","6","6","2","5","3","4","1") = "5"
    & skf21("1","6","6","2","5","3","5","1") = "5"
    & skf21("1","6","6","2","5","3","6","1") = "5"
    & skf21("1","6","6","2","5","3","7","1") = "6"
    & skf21("1","6","6","2","5","4","1","1") = "5"
    & skf21("1","6","6","2","5","4","2","1") = "5"
    & skf21("1","6","6","2","5","4","3","1") = "5"
    & skf21("1","6","6","2","5","4","4","1") = "5"
    & skf21("1","6","6","2","5","4","5","1") = "5"
    & skf21("1","6","6","2","5","4","6","1") = "5"
    & skf21("1","6","6","2","5","4","7","1") = "6"
    & skf21("1","6","6","2","5","5","1","1") = "5"
    & skf21("1","6","6","2","5","5","2","1") = "5"
    & skf21("1","6","6","2","5","5","3","1") = "5"
    & skf21("1","6","6","2","5","5","4","1") = "5"
    & skf21("1","6","6","2","5","5","5","1") = "5"
    & skf21("1","6","6","2","5","5","6","1") = "5"
    & skf21("1","6","6","2","5","5","7","1") = "6"
    & skf21("1","6","6","2","5","6","1","1") = "5"
    & skf21("1","6","6","2","5","6","2","1") = "5"
    & skf21("1","6","6","2","5","6","3","1") = "5"
    & skf21("1","6","6","2","5","6","4","1") = "5"
    & skf21("1","6","6","2","5","6","5","1") = "5"
    & skf21("1","6","6","2","5","6","6","1") = "5"
    & skf21("1","6","6","2","5","6","7","1") = "6"
    & skf21("1","6","6","2","5","7","1","1") = "6"
    & skf21("1","6","6","2","5","7","2","1") = "6"
    & skf21("1","6","6","2","5","7","3","1") = "6"
    & skf21("1","6","6","2","5","7","4","1") = "6"
    & skf21("1","6","6","2","5","7","5","1") = "6"
    & skf21("1","6","6","2","5","7","6","1") = "6"
    & skf21("1","6","6","2","5","7","7","1") = "6"
    & skf21("1","6","6","2","6","1","1","1") = "5"
    & skf21("1","6","6","2","6","1","2","1") = "5"
    & skf21("1","6","6","2","6","1","3","1") = "5"
    & skf21("1","6","6","2","6","1","4","1") = "5"
    & skf21("1","6","6","2","6","1","5","1") = "5"
    & skf21("1","6","6","2","6","1","6","1") = "5"
    & skf21("1","6","6","2","6","1","7","1") = "6"
    & skf21("1","6","6","2","6","2","1","1") = "5"
    & skf21("1","6","6","2","6","2","2","1") = "5"
    & skf21("1","6","6","2","6","2","3","1") = "5"
    & skf21("1","6","6","2","6","2","4","1") = "5"
    & skf21("1","6","6","2","6","2","5","1") = "5"
    & skf21("1","6","6","2","6","2","6","1") = "5"
    & skf21("1","6","6","2","6","2","7","1") = "6"
    & skf21("1","6","6","2","6","3","1","1") = "5"
    & skf21("1","6","6","2","6","3","2","1") = "5"
    & skf21("1","6","6","2","6","3","3","1") = "5"
    & skf21("1","6","6","2","6","3","4","1") = "5"
    & skf21("1","6","6","2","6","3","5","1") = "5"
    & skf21("1","6","6","2","6","3","6","1") = "5"
    & skf21("1","6","6","2","6","3","7","1") = "6"
    & skf21("1","6","6","2","6","4","1","1") = "5"
    & skf21("1","6","6","2","6","4","2","1") = "5"
    & skf21("1","6","6","2","6","4","3","1") = "5"
    & skf21("1","6","6","2","6","4","4","1") = "5"
    & skf21("1","6","6","2","6","4","5","1") = "5"
    & skf21("1","6","6","2","6","4","6","1") = "5"
    & skf21("1","6","6","2","6","4","7","1") = "6"
    & skf21("1","6","6","2","6","5","1","1") = "5"
    & skf21("1","6","6","2","6","5","2","1") = "5"
    & skf21("1","6","6","2","6","5","3","1") = "5"
    & skf21("1","6","6","2","6","5","4","1") = "5"
    & skf21("1","6","6","2","6","5","5","1") = "5"
    & skf21("1","6","6","2","6","5","6","1") = "5"
    & skf21("1","6","6","2","6","5","7","1") = "6"
    & skf21("1","6","6","2","6","6","1","1") = "5"
    & skf21("1","6","6","2","6","6","2","1") = "5"
    & skf21("1","6","6","2","6","6","3","1") = "5"
    & skf21("1","6","6","2","6","6","4","1") = "5"
    & skf21("1","6","6","2","6","6","5","1") = "5"
    & skf21("1","6","6","2","6","6","6","1") = "5"
    & skf21("1","6","6","2","6","6","7","1") = "6"
    & skf21("1","6","6","2","6","7","1","1") = "6"
    & skf21("1","6","6","2","6","7","2","1") = "6"
    & skf21("1","6","6","2","6","7","3","1") = "6"
    & skf21("1","6","6","2","6","7","4","1") = "6"
    & skf21("1","6","6","2","6","7","5","1") = "6"
    & skf21("1","6","6","2","6","7","6","1") = "6"
    & skf21("1","6","6","2","6","7","7","1") = "6"
    & skf21("1","6","6","2","7","1","1","1") = "6"
    & skf21("1","6","6","2","7","1","2","1") = "6"
    & skf21("1","6","6","2","7","1","3","1") = "6"
    & skf21("1","6","6","2","7","1","4","1") = "6"
    & skf21("1","6","6","2","7","1","5","1") = "6"
    & skf21("1","6","6","2","7","1","6","1") = "6"
    & skf21("1","6","6","2","7","1","7","1") = "6"
    & skf21("1","6","6","2","7","2","1","1") = "6"
    & skf21("1","6","6","2","7","2","2","1") = "6"
    & skf21("1","6","6","2","7","2","3","1") = "6"
    & skf21("1","6","6","2","7","2","4","1") = "6"
    & skf21("1","6","6","2","7","2","5","1") = "6"
    & skf21("1","6","6","2","7","2","6","1") = "6"
    & skf21("1","6","6","2","7","2","7","1") = "6"
    & skf21("1","6","6","2","7","3","1","1") = "6"
    & skf21("1","6","6","2","7","3","2","1") = "6"
    & skf21("1","6","6","2","7","3","3","1") = "6"
    & skf21("1","6","6","2","7","3","4","1") = "6"
    & skf21("1","6","6","2","7","3","5","1") = "6"
    & skf21("1","6","6","2","7","3","6","1") = "6"
    & skf21("1","6","6","2","7","3","7","1") = "6"
    & skf21("1","6","6","2","7","4","1","1") = "6"
    & skf21("1","6","6","2","7","4","2","1") = "6"
    & skf21("1","6","6","2","7","4","3","1") = "6"
    & skf21("1","6","6","2","7","4","4","1") = "6"
    & skf21("1","6","6","2","7","4","5","1") = "6"
    & skf21("1","6","6","2","7","4","6","1") = "6"
    & skf21("1","6","6","2","7","4","7","1") = "6"
    & skf21("1","6","6","2","7","5","1","1") = "6"
    & skf21("1","6","6","2","7","5","2","1") = "6"
    & skf21("1","6","6","2","7","5","3","1") = "6"
    & skf21("1","6","6","2","7","5","4","1") = "6"
    & skf21("1","6","6","2","7","5","5","1") = "6"
    & skf21("1","6","6","2","7","5","6","1") = "6"
    & skf21("1","6","6","2","7","5","7","1") = "6"
    & skf21("1","6","6","2","7","6","1","1") = "6"
    & skf21("1","6","6","2","7","6","2","1") = "6"
    & skf21("1","6","6","2","7","6","3","1") = "6"
    & skf21("1","6","6","2","7","6","4","1") = "6"
    & skf21("1","6","6","2","7","6","5","1") = "6"
    & skf21("1","6","6","2","7","6","6","1") = "6"
    & skf21("1","6","6","2","7","6","7","1") = "6"
    & skf21("1","6","6","2","7","7","1","1") = "6"
    & skf21("1","6","6","2","7","7","2","1") = "6"
    & skf21("1","6","6","2","7","7","3","1") = "6"
    & skf21("1","6","6","2","7","7","4","1") = "6"
    & skf21("1","6","6","2","7","7","5","1") = "6"
    & skf21("1","6","6","2","7","7","6","1") = "6"
    & skf21("1","6","6","2","7","7","7","1") = "6"
    & skf21("1","6","6","3","1","1","1","1") = "5"
    & skf21("1","6","6","3","1","1","2","1") = "5"
    & skf21("1","6","6","3","1","1","3","1") = "5"
    & skf21("1","6","6","3","1","1","4","1") = "5"
    & skf21("1","6","6","3","1","1","5","1") = "5"
    & skf21("1","6","6","3","1","1","6","1") = "5"
    & skf21("1","6","6","3","1","1","7","1") = "6"
    & skf21("1","6","6","3","1","2","1","1") = "5"
    & skf21("1","6","6","3","1","2","2","1") = "5"
    & skf21("1","6","6","3","1","2","3","1") = "5"
    & skf21("1","6","6","3","1","2","4","1") = "5"
    & skf21("1","6","6","3","1","2","5","1") = "5"
    & skf21("1","6","6","3","1","2","6","1") = "5"
    & skf21("1","6","6","3","1","2","7","1") = "6"
    & skf21("1","6","6","3","1","3","1","1") = "5"
    & skf21("1","6","6","3","1","3","2","1") = "5"
    & skf21("1","6","6","3","1","3","3","1") = "5"
    & skf21("1","6","6","3","1","3","4","1") = "5"
    & skf21("1","6","6","3","1","3","5","1") = "5"
    & skf21("1","6","6","3","1","3","6","1") = "5"
    & skf21("1","6","6","3","1","3","7","1") = "6"
    & skf21("1","6","6","3","1","4","1","1") = "5"
    & skf21("1","6","6","3","1","4","2","1") = "5"
    & skf21("1","6","6","3","1","4","3","1") = "5"
    & skf21("1","6","6","3","1","4","4","1") = "5"
    & skf21("1","6","6","3","1","4","5","1") = "5"
    & skf21("1","6","6","3","1","4","6","1") = "5"
    & skf21("1","6","6","3","1","4","7","1") = "6"
    & skf21("1","6","6","3","1","5","1","1") = "5"
    & skf21("1","6","6","3","1","5","2","1") = "5"
    & skf21("1","6","6","3","1","5","3","1") = "5"
    & skf21("1","6","6","3","1","5","4","1") = "5"
    & skf21("1","6","6","3","1","5","5","1") = "5"
    & skf21("1","6","6","3","1","5","6","1") = "5"
    & skf21("1","6","6","3","1","5","7","1") = "6"
    & skf21("1","6","6","3","1","6","1","1") = "5"
    & skf21("1","6","6","3","1","6","2","1") = "5"
    & skf21("1","6","6","3","1","6","3","1") = "5"
    & skf21("1","6","6","3","1","6","4","1") = "5"
    & skf21("1","6","6","3","1","6","5","1") = "5"
    & skf21("1","6","6","3","1","6","6","1") = "5"
    & skf21("1","6","6","3","1","6","7","1") = "6"
    & skf21("1","6","6","3","1","7","1","1") = "6"
    & skf21("1","6","6","3","1","7","2","1") = "6"
    & skf21("1","6","6","3","1","7","3","1") = "6"
    & skf21("1","6","6","3","1","7","4","1") = "6"
    & skf21("1","6","6","3","1","7","5","1") = "6"
    & skf21("1","6","6","3","1","7","6","1") = "6"
    & skf21("1","6","6","3","1","7","7","1") = "6"
    & skf21("1","6","6","3","2","1","1","1") = "5"
    & skf21("1","6","6","3","2","1","2","1") = "5"
    & skf21("1","6","6","3","2","1","3","1") = "5"
    & skf21("1","6","6","3","2","1","4","1") = "5"
    & skf21("1","6","6","3","2","1","5","1") = "5"
    & skf21("1","6","6","3","2","1","6","1") = "5"
    & skf21("1","6","6","3","2","1","7","1") = "6"
    & skf21("1","6","6","3","2","2","1","1") = "5"
    & skf21("1","6","6","3","2","2","2","1") = "5"
    & skf21("1","6","6","3","2","2","3","1") = "5"
    & skf21("1","6","6","3","2","2","4","1") = "5"
    & skf21("1","6","6","3","2","2","5","1") = "5"
    & skf21("1","6","6","3","2","2","6","1") = "5"
    & skf21("1","6","6","3","2","2","7","1") = "6"
    & skf21("1","6","6","3","2","3","1","1") = "5"
    & skf21("1","6","6","3","2","3","2","1") = "5"
    & skf21("1","6","6","3","2","3","3","1") = "5"
    & skf21("1","6","6","3","2","3","4","1") = "5"
    & skf21("1","6","6","3","2","3","5","1") = "5"
    & skf21("1","6","6","3","2","3","6","1") = "5"
    & skf21("1","6","6","3","2","3","7","1") = "6"
    & skf21("1","6","6","3","2","4","1","1") = "5"
    & skf21("1","6","6","3","2","4","2","1") = "5"
    & skf21("1","6","6","3","2","4","3","1") = "5"
    & skf21("1","6","6","3","2","4","4","1") = "5"
    & skf21("1","6","6","3","2","4","5","1") = "5"
    & skf21("1","6","6","3","2","4","6","1") = "5"
    & skf21("1","6","6","3","2","4","7","1") = "6"
    & skf21("1","6","6","3","2","5","1","1") = "5"
    & skf21("1","6","6","3","2","5","2","1") = "5"
    & skf21("1","6","6","3","2","5","3","1") = "5"
    & skf21("1","6","6","3","2","5","4","1") = "5"
    & skf21("1","6","6","3","2","5","5","1") = "5"
    & skf21("1","6","6","3","2","5","6","1") = "5"
    & skf21("1","6","6","3","2","5","7","1") = "6"
    & skf21("1","6","6","3","2","6","1","1") = "5"
    & skf21("1","6","6","3","2","6","2","1") = "5"
    & skf21("1","6","6","3","2","6","3","1") = "5"
    & skf21("1","6","6","3","2","6","4","1") = "5"
    & skf21("1","6","6","3","2","6","5","1") = "5"
    & skf21("1","6","6","3","2","6","6","1") = "5"
    & skf21("1","6","6","3","2","6","7","1") = "6"
    & skf21("1","6","6","3","2","7","1","1") = "6"
    & skf21("1","6","6","3","2","7","2","1") = "6"
    & skf21("1","6","6","3","2","7","3","1") = "6"
    & skf21("1","6","6","3","2","7","4","1") = "6"
    & skf21("1","6","6","3","2","7","5","1") = "6"
    & skf21("1","6","6","3","2","7","6","1") = "6"
    & skf21("1","6","6","3","2","7","7","1") = "6"
    & skf21("1","6","6","3","3","1","1","1") = "5"
    & skf21("1","6","6","3","3","1","2","1") = "5"
    & skf21("1","6","6","3","3","1","3","1") = "5"
    & skf21("1","6","6","3","3","1","4","1") = "5"
    & skf21("1","6","6","3","3","1","5","1") = "5"
    & skf21("1","6","6","3","3","1","6","1") = "5"
    & skf21("1","6","6","3","3","1","7","1") = "6"
    & skf21("1","6","6","3","3","2","1","1") = "5"
    & skf21("1","6","6","3","3","2","2","1") = "5"
    & skf21("1","6","6","3","3","2","3","1") = "5"
    & skf21("1","6","6","3","3","2","4","1") = "5"
    & skf21("1","6","6","3","3","2","5","1") = "5"
    & skf21("1","6","6","3","3","2","6","1") = "5"
    & skf21("1","6","6","3","3","2","7","1") = "6"
    & skf21("1","6","6","3","3","3","1","1") = "5"
    & skf21("1","6","6","3","3","3","2","1") = "5"
    & skf21("1","6","6","3","3","3","3","1") = "5"
    & skf21("1","6","6","3","3","3","4","1") = "5"
    & skf21("1","6","6","3","3","3","5","1") = "5"
    & skf21("1","6","6","3","3","3","6","1") = "5"
    & skf21("1","6","6","3","3","3","7","1") = "6"
    & skf21("1","6","6","3","3","4","1","1") = "5"
    & skf21("1","6","6","3","3","4","2","1") = "5"
    & skf21("1","6","6","3","3","4","3","1") = "5"
    & skf21("1","6","6","3","3","4","4","1") = "5"
    & skf21("1","6","6","3","3","4","5","1") = "5"
    & skf21("1","6","6","3","3","4","6","1") = "5"
    & skf21("1","6","6","3","3","4","7","1") = "6"
    & skf21("1","6","6","3","3","5","1","1") = "5"
    & skf21("1","6","6","3","3","5","2","1") = "5"
    & skf21("1","6","6","3","3","5","3","1") = "5"
    & skf21("1","6","6","3","3","5","4","1") = "5"
    & skf21("1","6","6","3","3","5","5","1") = "5"
    & skf21("1","6","6","3","3","5","6","1") = "5"
    & skf21("1","6","6","3","3","5","7","1") = "6"
    & skf21("1","6","6","3","3","6","1","1") = "5"
    & skf21("1","6","6","3","3","6","2","1") = "5"
    & skf21("1","6","6","3","3","6","3","1") = "5"
    & skf21("1","6","6","3","3","6","4","1") = "5"
    & skf21("1","6","6","3","3","6","5","1") = "5"
    & skf21("1","6","6","3","3","6","6","1") = "5"
    & skf21("1","6","6","3","3","6","7","1") = "6"
    & skf21("1","6","6","3","3","7","1","1") = "6"
    & skf21("1","6","6","3","3","7","2","1") = "6"
    & skf21("1","6","6","3","3","7","3","1") = "6"
    & skf21("1","6","6","3","3","7","4","1") = "6"
    & skf21("1","6","6","3","3","7","5","1") = "6"
    & skf21("1","6","6","3","3","7","6","1") = "6"
    & skf21("1","6","6","3","3","7","7","1") = "6"
    & skf21("1","6","6","3","4","1","1","1") = "5"
    & skf21("1","6","6","3","4","1","2","1") = "5"
    & skf21("1","6","6","3","4","1","3","1") = "5"
    & skf21("1","6","6","3","4","1","4","1") = "5"
    & skf21("1","6","6","3","4","1","5","1") = "5"
    & skf21("1","6","6","3","4","1","6","1") = "5"
    & skf21("1","6","6","3","4","1","7","1") = "6"
    & skf21("1","6","6","3","4","2","1","1") = "5"
    & skf21("1","6","6","3","4","2","2","1") = "5"
    & skf21("1","6","6","3","4","2","3","1") = "5"
    & skf21("1","6","6","3","4","2","4","1") = "5"
    & skf21("1","6","6","3","4","2","5","1") = "5"
    & skf21("1","6","6","3","4","2","6","1") = "5"
    & skf21("1","6","6","3","4","2","7","1") = "6"
    & skf21("1","6","6","3","4","3","1","1") = "5"
    & skf21("1","6","6","3","4","3","2","1") = "5"
    & skf21("1","6","6","3","4","3","3","1") = "5"
    & skf21("1","6","6","3","4","3","4","1") = "5"
    & skf21("1","6","6","3","4","3","5","1") = "5"
    & skf21("1","6","6","3","4","3","6","1") = "5"
    & skf21("1","6","6","3","4","3","7","1") = "6"
    & skf21("1","6","6","3","4","4","1","1") = "5"
    & skf21("1","6","6","3","4","4","2","1") = "5"
    & skf21("1","6","6","3","4","4","3","1") = "5"
    & skf21("1","6","6","3","4","4","4","1") = "5"
    & skf21("1","6","6","3","4","4","5","1") = "5"
    & skf21("1","6","6","3","4","4","6","1") = "5"
    & skf21("1","6","6","3","4","4","7","1") = "6"
    & skf21("1","6","6","3","4","5","1","1") = "5"
    & skf21("1","6","6","3","4","5","2","1") = "5"
    & skf21("1","6","6","3","4","5","3","1") = "5"
    & skf21("1","6","6","3","4","5","4","1") = "5"
    & skf21("1","6","6","3","4","5","5","1") = "5"
    & skf21("1","6","6","3","4","5","6","1") = "5"
    & skf21("1","6","6","3","4","5","7","1") = "6"
    & skf21("1","6","6","3","4","6","1","1") = "5"
    & skf21("1","6","6","3","4","6","2","1") = "5"
    & skf21("1","6","6","3","4","6","3","1") = "5"
    & skf21("1","6","6","3","4","6","4","1") = "5"
    & skf21("1","6","6","3","4","6","5","1") = "5"
    & skf21("1","6","6","3","4","6","6","1") = "5"
    & skf21("1","6","6","3","4","6","7","1") = "6"
    & skf21("1","6","6","3","4","7","1","1") = "6"
    & skf21("1","6","6","3","4","7","2","1") = "6"
    & skf21("1","6","6","3","4","7","3","1") = "6"
    & skf21("1","6","6","3","4","7","4","1") = "6"
    & skf21("1","6","6","3","4","7","5","1") = "6"
    & skf21("1","6","6","3","4","7","6","1") = "6"
    & skf21("1","6","6","3","4","7","7","1") = "6"
    & skf21("1","6","6","3","5","1","1","1") = "5"
    & skf21("1","6","6","3","5","1","2","1") = "5"
    & skf21("1","6","6","3","5","1","3","1") = "5"
    & skf21("1","6","6","3","5","1","4","1") = "5"
    & skf21("1","6","6","3","5","1","5","1") = "5"
    & skf21("1","6","6","3","5","1","6","1") = "5"
    & skf21("1","6","6","3","5","1","7","1") = "6"
    & skf21("1","6","6","3","5","2","1","1") = "5"
    & skf21("1","6","6","3","5","2","2","1") = "5"
    & skf21("1","6","6","3","5","2","3","1") = "5"
    & skf21("1","6","6","3","5","2","4","1") = "5"
    & skf21("1","6","6","3","5","2","5","1") = "5"
    & skf21("1","6","6","3","5","2","6","1") = "5"
    & skf21("1","6","6","3","5","2","7","1") = "6"
    & skf21("1","6","6","3","5","3","1","1") = "5"
    & skf21("1","6","6","3","5","3","2","1") = "5"
    & skf21("1","6","6","3","5","3","3","1") = "5"
    & skf21("1","6","6","3","5","3","4","1") = "5"
    & skf21("1","6","6","3","5","3","5","1") = "5"
    & skf21("1","6","6","3","5","3","6","1") = "5"
    & skf21("1","6","6","3","5","3","7","1") = "6"
    & skf21("1","6","6","3","5","4","1","1") = "5"
    & skf21("1","6","6","3","5","4","2","1") = "5"
    & skf21("1","6","6","3","5","4","3","1") = "5"
    & skf21("1","6","6","3","5","4","4","1") = "5"
    & skf21("1","6","6","3","5","4","5","1") = "5"
    & skf21("1","6","6","3","5","4","6","1") = "5"
    & skf21("1","6","6","3","5","4","7","1") = "6"
    & skf21("1","6","6","3","5","5","1","1") = "5"
    & skf21("1","6","6","3","5","5","2","1") = "5"
    & skf21("1","6","6","3","5","5","3","1") = "5"
    & skf21("1","6","6","3","5","5","4","1") = "5"
    & skf21("1","6","6","3","5","5","5","1") = "5"
    & skf21("1","6","6","3","5","5","6","1") = "5"
    & skf21("1","6","6","3","5","5","7","1") = "6"
    & skf21("1","6","6","3","5","6","1","1") = "5"
    & skf21("1","6","6","3","5","6","2","1") = "5"
    & skf21("1","6","6","3","5","6","3","1") = "5"
    & skf21("1","6","6","3","5","6","4","1") = "5"
    & skf21("1","6","6","3","5","6","5","1") = "5"
    & skf21("1","6","6","3","5","6","6","1") = "5"
    & skf21("1","6","6","3","5","6","7","1") = "6"
    & skf21("1","6","6","3","5","7","1","1") = "6"
    & skf21("1","6","6","3","5","7","2","1") = "6"
    & skf21("1","6","6","3","5","7","3","1") = "6"
    & skf21("1","6","6","3","5","7","4","1") = "6"
    & skf21("1","6","6","3","5","7","5","1") = "6"
    & skf21("1","6","6","3","5","7","6","1") = "6"
    & skf21("1","6","6","3","5","7","7","1") = "6"
    & skf21("1","6","6","3","6","1","1","1") = "5"
    & skf21("1","6","6","3","6","1","2","1") = "5"
    & skf21("1","6","6","3","6","1","3","1") = "5"
    & skf21("1","6","6","3","6","1","4","1") = "5"
    & skf21("1","6","6","3","6","1","5","1") = "5"
    & skf21("1","6","6","3","6","1","6","1") = "5"
    & skf21("1","6","6","3","6","1","7","1") = "6"
    & skf21("1","6","6","3","6","2","1","1") = "5"
    & skf21("1","6","6","3","6","2","2","1") = "5"
    & skf21("1","6","6","3","6","2","3","1") = "5"
    & skf21("1","6","6","3","6","2","4","1") = "5"
    & skf21("1","6","6","3","6","2","5","1") = "5"
    & skf21("1","6","6","3","6","2","6","1") = "5"
    & skf21("1","6","6","3","6","2","7","1") = "6"
    & skf21("1","6","6","3","6","3","1","1") = "5"
    & skf21("1","6","6","3","6","3","2","1") = "5"
    & skf21("1","6","6","3","6","3","3","1") = "5"
    & skf21("1","6","6","3","6","3","4","1") = "5"
    & skf21("1","6","6","3","6","3","5","1") = "5"
    & skf21("1","6","6","3","6","3","6","1") = "5"
    & skf21("1","6","6","3","6","3","7","1") = "6"
    & skf21("1","6","6","3","6","4","1","1") = "5"
    & skf21("1","6","6","3","6","4","2","1") = "5"
    & skf21("1","6","6","3","6","4","3","1") = "5"
    & skf21("1","6","6","3","6","4","4","1") = "5"
    & skf21("1","6","6","3","6","4","5","1") = "5"
    & skf21("1","6","6","3","6","4","6","1") = "5"
    & skf21("1","6","6","3","6","4","7","1") = "6"
    & skf21("1","6","6","3","6","5","1","1") = "5"
    & skf21("1","6","6","3","6","5","2","1") = "5"
    & skf21("1","6","6","3","6","5","3","1") = "5"
    & skf21("1","6","6","3","6","5","4","1") = "5"
    & skf21("1","6","6","3","6","5","5","1") = "5"
    & skf21("1","6","6","3","6","5","6","1") = "5"
    & skf21("1","6","6","3","6","5","7","1") = "6"
    & skf21("1","6","6","3","6","6","1","1") = "5"
    & skf21("1","6","6","3","6","6","2","1") = "5"
    & skf21("1","6","6","3","6","6","3","1") = "5"
    & skf21("1","6","6","3","6","6","4","1") = "5"
    & skf21("1","6","6","3","6","6","5","1") = "5"
    & skf21("1","6","6","3","6","6","6","1") = "5"
    & skf21("1","6","6","3","6","6","7","1") = "6"
    & skf21("1","6","6","3","6","7","1","1") = "6"
    & skf21("1","6","6","3","6","7","2","1") = "6"
    & skf21("1","6","6","3","6","7","3","1") = "6"
    & skf21("1","6","6","3","6","7","4","1") = "6"
    & skf21("1","6","6","3","6","7","5","1") = "6"
    & skf21("1","6","6","3","6","7","6","1") = "6"
    & skf21("1","6","6","3","6","7","7","1") = "6"
    & skf21("1","6","6","3","7","1","1","1") = "6"
    & skf21("1","6","6","3","7","1","2","1") = "6"
    & skf21("1","6","6","3","7","1","3","1") = "6"
    & skf21("1","6","6","3","7","1","4","1") = "6"
    & skf21("1","6","6","3","7","1","5","1") = "6"
    & skf21("1","6","6","3","7","1","6","1") = "6"
    & skf21("1","6","6","3","7","1","7","1") = "6"
    & skf21("1","6","6","3","7","2","1","1") = "6"
    & skf21("1","6","6","3","7","2","2","1") = "6"
    & skf21("1","6","6","3","7","2","3","1") = "6"
    & skf21("1","6","6","3","7","2","4","1") = "6"
    & skf21("1","6","6","3","7","2","5","1") = "6"
    & skf21("1","6","6","3","7","2","6","1") = "6"
    & skf21("1","6","6","3","7","2","7","1") = "6"
    & skf21("1","6","6","3","7","3","1","1") = "6"
    & skf21("1","6","6","3","7","3","2","1") = "6"
    & skf21("1","6","6","3","7","3","3","1") = "6"
    & skf21("1","6","6","3","7","3","4","1") = "6"
    & skf21("1","6","6","3","7","3","5","1") = "6"
    & skf21("1","6","6","3","7","3","6","1") = "6"
    & skf21("1","6","6","3","7","3","7","1") = "6"
    & skf21("1","6","6","3","7","4","1","1") = "6"
    & skf21("1","6","6","3","7","4","2","1") = "6"
    & skf21("1","6","6","3","7","4","3","1") = "6"
    & skf21("1","6","6","3","7","4","4","1") = "6"
    & skf21("1","6","6","3","7","4","5","1") = "6"
    & skf21("1","6","6","3","7","4","6","1") = "6"
    & skf21("1","6","6","3","7","4","7","1") = "6"
    & skf21("1","6","6","3","7","5","1","1") = "6"
    & skf21("1","6","6","3","7","5","2","1") = "6"
    & skf21("1","6","6","3","7","5","3","1") = "6"
    & skf21("1","6","6","3","7","5","4","1") = "6"
    & skf21("1","6","6","3","7","5","5","1") = "6"
    & skf21("1","6","6","3","7","5","6","1") = "6"
    & skf21("1","6","6","3","7","5","7","1") = "6"
    & skf21("1","6","6","3","7","6","1","1") = "6"
    & skf21("1","6","6","3","7","6","2","1") = "6"
    & skf21("1","6","6","3","7","6","3","1") = "6"
    & skf21("1","6","6","3","7","6","4","1") = "6"
    & skf21("1","6","6","3","7","6","5","1") = "6"
    & skf21("1","6","6","3","7","6","6","1") = "6"
    & skf21("1","6","6","3","7","6","7","1") = "6"
    & skf21("1","6","6","3","7","7","1","1") = "6"
    & skf21("1","6","6","3","7","7","2","1") = "6"
    & skf21("1","6","6","3","7","7","3","1") = "6"
    & skf21("1","6","6","3","7","7","4","1") = "6"
    & skf21("1","6","6","3","7","7","5","1") = "6"
    & skf21("1","6","6","3","7","7","6","1") = "6"
    & skf21("1","6","6","3","7","7","7","1") = "6"
    & skf21("1","6","6","4","1","1","1","1") = "5"
    & skf21("1","6","6","4","1","1","2","1") = "5"
    & skf21("1","6","6","4","1","1","3","1") = "5"
    & skf21("1","6","6","4","1","1","4","1") = "5"
    & skf21("1","6","6","4","1","1","5","1") = "5"
    & skf21("1","6","6","4","1","1","6","1") = "5"
    & skf21("1","6","6","4","1","1","7","1") = "6"
    & skf21("1","6","6","4","1","2","1","1") = "5"
    & skf21("1","6","6","4","1","2","2","1") = "5"
    & skf21("1","6","6","4","1","2","3","1") = "5"
    & skf21("1","6","6","4","1","2","4","1") = "5"
    & skf21("1","6","6","4","1","2","5","1") = "5"
    & skf21("1","6","6","4","1","2","6","1") = "5"
    & skf21("1","6","6","4","1","2","7","1") = "6"
    & skf21("1","6","6","4","1","3","1","1") = "5"
    & skf21("1","6","6","4","1","3","2","1") = "5"
    & skf21("1","6","6","4","1","3","3","1") = "5"
    & skf21("1","6","6","4","1","3","4","1") = "5"
    & skf21("1","6","6","4","1","3","5","1") = "5"
    & skf21("1","6","6","4","1","3","6","1") = "5"
    & skf21("1","6","6","4","1","3","7","1") = "6"
    & skf21("1","6","6","4","1","4","1","1") = "5"
    & skf21("1","6","6","4","1","4","2","1") = "5"
    & skf21("1","6","6","4","1","4","3","1") = "5"
    & skf21("1","6","6","4","1","4","4","1") = "5"
    & skf21("1","6","6","4","1","4","5","1") = "5"
    & skf21("1","6","6","4","1","4","6","1") = "5"
    & skf21("1","6","6","4","1","4","7","1") = "6"
    & skf21("1","6","6","4","1","5","1","1") = "5"
    & skf21("1","6","6","4","1","5","2","1") = "5"
    & skf21("1","6","6","4","1","5","3","1") = "5"
    & skf21("1","6","6","4","1","5","4","1") = "5"
    & skf21("1","6","6","4","1","5","5","1") = "5"
    & skf21("1","6","6","4","1","5","6","1") = "5"
    & skf21("1","6","6","4","1","5","7","1") = "6"
    & skf21("1","6","6","4","1","6","1","1") = "5"
    & skf21("1","6","6","4","1","6","2","1") = "5"
    & skf21("1","6","6","4","1","6","3","1") = "5"
    & skf21("1","6","6","4","1","6","4","1") = "5"
    & skf21("1","6","6","4","1","6","5","1") = "5"
    & skf21("1","6","6","4","1","6","6","1") = "5"
    & skf21("1","6","6","4","1","6","7","1") = "6"
    & skf21("1","6","6","4","1","7","1","1") = "6"
    & skf21("1","6","6","4","1","7","2","1") = "6"
    & skf21("1","6","6","4","1","7","3","1") = "6"
    & skf21("1","6","6","4","1","7","4","1") = "6"
    & skf21("1","6","6","4","1","7","5","1") = "6"
    & skf21("1","6","6","4","1","7","6","1") = "6"
    & skf21("1","6","6","4","1","7","7","1") = "6"
    & skf21("1","6","6","4","2","1","1","1") = "5"
    & skf21("1","6","6","4","2","1","2","1") = "5"
    & skf21("1","6","6","4","2","1","3","1") = "5"
    & skf21("1","6","6","4","2","1","4","1") = "5"
    & skf21("1","6","6","4","2","1","5","1") = "5"
    & skf21("1","6","6","4","2","1","6","1") = "5"
    & skf21("1","6","6","4","2","1","7","1") = "6"
    & skf21("1","6","6","4","2","2","1","1") = "5"
    & skf21("1","6","6","4","2","2","2","1") = "5"
    & skf21("1","6","6","4","2","2","3","1") = "5"
    & skf21("1","6","6","4","2","2","4","1") = "5"
    & skf21("1","6","6","4","2","2","5","1") = "5"
    & skf21("1","6","6","4","2","2","6","1") = "5"
    & skf21("1","6","6","4","2","2","7","1") = "6"
    & skf21("1","6","6","4","2","3","1","1") = "5"
    & skf21("1","6","6","4","2","3","2","1") = "5"
    & skf21("1","6","6","4","2","3","3","1") = "5"
    & skf21("1","6","6","4","2","3","4","1") = "5"
    & skf21("1","6","6","4","2","3","5","1") = "5"
    & skf21("1","6","6","4","2","3","6","1") = "5"
    & skf21("1","6","6","4","2","3","7","1") = "6"
    & skf21("1","6","6","4","2","4","1","1") = "5"
    & skf21("1","6","6","4","2","4","2","1") = "5"
    & skf21("1","6","6","4","2","4","3","1") = "5"
    & skf21("1","6","6","4","2","4","4","1") = "5"
    & skf21("1","6","6","4","2","4","5","1") = "5"
    & skf21("1","6","6","4","2","4","6","1") = "5"
    & skf21("1","6","6","4","2","4","7","1") = "6"
    & skf21("1","6","6","4","2","5","1","1") = "5"
    & skf21("1","6","6","4","2","5","2","1") = "5"
    & skf21("1","6","6","4","2","5","3","1") = "5"
    & skf21("1","6","6","4","2","5","4","1") = "5"
    & skf21("1","6","6","4","2","5","5","1") = "5"
    & skf21("1","6","6","4","2","5","6","1") = "5"
    & skf21("1","6","6","4","2","5","7","1") = "6"
    & skf21("1","6","6","4","2","6","1","1") = "5"
    & skf21("1","6","6","4","2","6","2","1") = "5"
    & skf21("1","6","6","4","2","6","3","1") = "5"
    & skf21("1","6","6","4","2","6","4","1") = "5"
    & skf21("1","6","6","4","2","6","5","1") = "5"
    & skf21("1","6","6","4","2","6","6","1") = "5"
    & skf21("1","6","6","4","2","6","7","1") = "6"
    & skf21("1","6","6","4","2","7","1","1") = "6"
    & skf21("1","6","6","4","2","7","2","1") = "6"
    & skf21("1","6","6","4","2","7","3","1") = "6"
    & skf21("1","6","6","4","2","7","4","1") = "6"
    & skf21("1","6","6","4","2","7","5","1") = "6"
    & skf21("1","6","6","4","2","7","6","1") = "6"
    & skf21("1","6","6","4","2","7","7","1") = "6"
    & skf21("1","6","6","4","3","1","1","1") = "5"
    & skf21("1","6","6","4","3","1","2","1") = "5"
    & skf21("1","6","6","4","3","1","3","1") = "5"
    & skf21("1","6","6","4","3","1","4","1") = "5"
    & skf21("1","6","6","4","3","1","5","1") = "5"
    & skf21("1","6","6","4","3","1","6","1") = "5"
    & skf21("1","6","6","4","3","1","7","1") = "6"
    & skf21("1","6","6","4","3","2","1","1") = "5"
    & skf21("1","6","6","4","3","2","2","1") = "5"
    & skf21("1","6","6","4","3","2","3","1") = "5"
    & skf21("1","6","6","4","3","2","4","1") = "5"
    & skf21("1","6","6","4","3","2","5","1") = "5"
    & skf21("1","6","6","4","3","2","6","1") = "5"
    & skf21("1","6","6","4","3","2","7","1") = "6"
    & skf21("1","6","6","4","3","3","1","1") = "5"
    & skf21("1","6","6","4","3","3","2","1") = "5"
    & skf21("1","6","6","4","3","3","3","1") = "5"
    & skf21("1","6","6","4","3","3","4","1") = "5"
    & skf21("1","6","6","4","3","3","5","1") = "5"
    & skf21("1","6","6","4","3","3","6","1") = "5"
    & skf21("1","6","6","4","3","3","7","1") = "6"
    & skf21("1","6","6","4","3","4","1","1") = "5"
    & skf21("1","6","6","4","3","4","2","1") = "5"
    & skf21("1","6","6","4","3","4","3","1") = "5"
    & skf21("1","6","6","4","3","4","4","1") = "5"
    & skf21("1","6","6","4","3","4","5","1") = "5"
    & skf21("1","6","6","4","3","4","6","1") = "5"
    & skf21("1","6","6","4","3","4","7","1") = "6"
    & skf21("1","6","6","4","3","5","1","1") = "5"
    & skf21("1","6","6","4","3","5","2","1") = "5"
    & skf21("1","6","6","4","3","5","3","1") = "5"
    & skf21("1","6","6","4","3","5","4","1") = "5"
    & skf21("1","6","6","4","3","5","5","1") = "5"
    & skf21("1","6","6","4","3","5","6","1") = "5"
    & skf21("1","6","6","4","3","5","7","1") = "6"
    & skf21("1","6","6","4","3","6","1","1") = "5"
    & skf21("1","6","6","4","3","6","2","1") = "5"
    & skf21("1","6","6","4","3","6","3","1") = "5"
    & skf21("1","6","6","4","3","6","4","1") = "5"
    & skf21("1","6","6","4","3","6","5","1") = "5"
    & skf21("1","6","6","4","3","6","6","1") = "5"
    & skf21("1","6","6","4","3","6","7","1") = "6"
    & skf21("1","6","6","4","3","7","1","1") = "6"
    & skf21("1","6","6","4","3","7","2","1") = "6"
    & skf21("1","6","6","4","3","7","3","1") = "6"
    & skf21("1","6","6","4","3","7","4","1") = "6"
    & skf21("1","6","6","4","3","7","5","1") = "6"
    & skf21("1","6","6","4","3","7","6","1") = "6"
    & skf21("1","6","6","4","3","7","7","1") = "6"
    & skf21("1","6","6","4","4","1","1","1") = "5"
    & skf21("1","6","6","4","4","1","2","1") = "5"
    & skf21("1","6","6","4","4","1","3","1") = "5"
    & skf21("1","6","6","4","4","1","4","1") = "5"
    & skf21("1","6","6","4","4","1","5","1") = "5"
    & skf21("1","6","6","4","4","1","6","1") = "5"
    & skf21("1","6","6","4","4","1","7","1") = "6"
    & skf21("1","6","6","4","4","2","1","1") = "5"
    & skf21("1","6","6","4","4","2","2","1") = "5"
    & skf21("1","6","6","4","4","2","3","1") = "5"
    & skf21("1","6","6","4","4","2","4","1") = "5"
    & skf21("1","6","6","4","4","2","5","1") = "5"
    & skf21("1","6","6","4","4","2","6","1") = "5"
    & skf21("1","6","6","4","4","2","7","1") = "6"
    & skf21("1","6","6","4","4","3","1","1") = "5"
    & skf21("1","6","6","4","4","3","2","1") = "5"
    & skf21("1","6","6","4","4","3","3","1") = "5"
    & skf21("1","6","6","4","4","3","4","1") = "5"
    & skf21("1","6","6","4","4","3","5","1") = "5"
    & skf21("1","6","6","4","4","3","6","1") = "5"
    & skf21("1","6","6","4","4","3","7","1") = "6"
    & skf21("1","6","6","4","4","4","1","1") = "5"
    & skf21("1","6","6","4","4","4","2","1") = "5"
    & skf21("1","6","6","4","4","4","3","1") = "5"
    & skf21("1","6","6","4","4","4","4","1") = "5"
    & skf21("1","6","6","4","4","4","5","1") = "5"
    & skf21("1","6","6","4","4","4","6","1") = "5"
    & skf21("1","6","6","4","4","4","7","1") = "6"
    & skf21("1","6","6","4","4","5","1","1") = "5"
    & skf21("1","6","6","4","4","5","2","1") = "5"
    & skf21("1","6","6","4","4","5","3","1") = "5"
    & skf21("1","6","6","4","4","5","4","1") = "5"
    & skf21("1","6","6","4","4","5","5","1") = "5"
    & skf21("1","6","6","4","4","5","6","1") = "5"
    & skf21("1","6","6","4","4","5","7","1") = "6"
    & skf21("1","6","6","4","4","6","1","1") = "5"
    & skf21("1","6","6","4","4","6","2","1") = "5"
    & skf21("1","6","6","4","4","6","3","1") = "5"
    & skf21("1","6","6","4","4","6","4","1") = "5"
    & skf21("1","6","6","4","4","6","5","1") = "5"
    & skf21("1","6","6","4","4","6","6","1") = "5"
    & skf21("1","6","6","4","4","6","7","1") = "6"
    & skf21("1","6","6","4","4","7","1","1") = "6"
    & skf21("1","6","6","4","4","7","2","1") = "6"
    & skf21("1","6","6","4","4","7","3","1") = "6"
    & skf21("1","6","6","4","4","7","4","1") = "6"
    & skf21("1","6","6","4","4","7","5","1") = "6"
    & skf21("1","6","6","4","4","7","6","1") = "6"
    & skf21("1","6","6","4","4","7","7","1") = "6"
    & skf21("1","6","6","4","5","1","1","1") = "5"
    & skf21("1","6","6","4","5","1","2","1") = "5"
    & skf21("1","6","6","4","5","1","3","1") = "5"
    & skf21("1","6","6","4","5","1","4","1") = "5"
    & skf21("1","6","6","4","5","1","5","1") = "5"
    & skf21("1","6","6","4","5","1","6","1") = "5"
    & skf21("1","6","6","4","5","1","7","1") = "6"
    & skf21("1","6","6","4","5","2","1","1") = "5"
    & skf21("1","6","6","4","5","2","2","1") = "5"
    & skf21("1","6","6","4","5","2","3","1") = "5"
    & skf21("1","6","6","4","5","2","4","1") = "5"
    & skf21("1","6","6","4","5","2","5","1") = "5"
    & skf21("1","6","6","4","5","2","6","1") = "5"
    & skf21("1","6","6","4","5","2","7","1") = "6"
    & skf21("1","6","6","4","5","3","1","1") = "5"
    & skf21("1","6","6","4","5","3","2","1") = "5"
    & skf21("1","6","6","4","5","3","3","1") = "5"
    & skf21("1","6","6","4","5","3","4","1") = "5"
    & skf21("1","6","6","4","5","3","5","1") = "5"
    & skf21("1","6","6","4","5","3","6","1") = "5"
    & skf21("1","6","6","4","5","3","7","1") = "6"
    & skf21("1","6","6","4","5","4","1","1") = "5"
    & skf21("1","6","6","4","5","4","2","1") = "5"
    & skf21("1","6","6","4","5","4","3","1") = "5"
    & skf21("1","6","6","4","5","4","4","1") = "5"
    & skf21("1","6","6","4","5","4","5","1") = "5"
    & skf21("1","6","6","4","5","4","6","1") = "5"
    & skf21("1","6","6","4","5","4","7","1") = "6"
    & skf21("1","6","6","4","5","5","1","1") = "5"
    & skf21("1","6","6","4","5","5","2","1") = "5"
    & skf21("1","6","6","4","5","5","3","1") = "5"
    & skf21("1","6","6","4","5","5","4","1") = "5"
    & skf21("1","6","6","4","5","5","5","1") = "5"
    & skf21("1","6","6","4","5","5","6","1") = "5"
    & skf21("1","6","6","4","5","5","7","1") = "6"
    & skf21("1","6","6","4","5","6","1","1") = "5"
    & skf21("1","6","6","4","5","6","2","1") = "5"
    & skf21("1","6","6","4","5","6","3","1") = "5"
    & skf21("1","6","6","4","5","6","4","1") = "5"
    & skf21("1","6","6","4","5","6","5","1") = "5"
    & skf21("1","6","6","4","5","6","6","1") = "5"
    & skf21("1","6","6","4","5","6","7","1") = "6"
    & skf21("1","6","6","4","5","7","1","1") = "6"
    & skf21("1","6","6","4","5","7","2","1") = "6"
    & skf21("1","6","6","4","5","7","3","1") = "6"
    & skf21("1","6","6","4","5","7","4","1") = "6"
    & skf21("1","6","6","4","5","7","5","1") = "6"
    & skf21("1","6","6","4","5","7","6","1") = "6"
    & skf21("1","6","6","4","5","7","7","1") = "6"
    & skf21("1","6","6","4","6","1","1","1") = "5"
    & skf21("1","6","6","4","6","1","2","1") = "5"
    & skf21("1","6","6","4","6","1","3","1") = "5"
    & skf21("1","6","6","4","6","1","4","1") = "5"
    & skf21("1","6","6","4","6","1","5","1") = "5"
    & skf21("1","6","6","4","6","1","6","1") = "5"
    & skf21("1","6","6","4","6","1","7","1") = "6"
    & skf21("1","6","6","4","6","2","1","1") = "5"
    & skf21("1","6","6","4","6","2","2","1") = "5"
    & skf21("1","6","6","4","6","2","3","1") = "5"
    & skf21("1","6","6","4","6","2","4","1") = "5"
    & skf21("1","6","6","4","6","2","5","1") = "5"
    & skf21("1","6","6","4","6","2","6","1") = "5"
    & skf21("1","6","6","4","6","2","7","1") = "6"
    & skf21("1","6","6","4","6","3","1","1") = "5"
    & skf21("1","6","6","4","6","3","2","1") = "5"
    & skf21("1","6","6","4","6","3","3","1") = "5"
    & skf21("1","6","6","4","6","3","4","1") = "5"
    & skf21("1","6","6","4","6","3","5","1") = "5"
    & skf21("1","6","6","4","6","3","6","1") = "5"
    & skf21("1","6","6","4","6","3","7","1") = "6"
    & skf21("1","6","6","4","6","4","1","1") = "5"
    & skf21("1","6","6","4","6","4","2","1") = "5"
    & skf21("1","6","6","4","6","4","3","1") = "5"
    & skf21("1","6","6","4","6","4","4","1") = "5"
    & skf21("1","6","6","4","6","4","5","1") = "5"
    & skf21("1","6","6","4","6","4","6","1") = "5"
    & skf21("1","6","6","4","6","4","7","1") = "6"
    & skf21("1","6","6","4","6","5","1","1") = "5"
    & skf21("1","6","6","4","6","5","2","1") = "5"
    & skf21("1","6","6","4","6","5","3","1") = "5"
    & skf21("1","6","6","4","6","5","4","1") = "5"
    & skf21("1","6","6","4","6","5","5","1") = "5"
    & skf21("1","6","6","4","6","5","6","1") = "5"
    & skf21("1","6","6","4","6","5","7","1") = "6"
    & skf21("1","6","6","4","6","6","1","1") = "5"
    & skf21("1","6","6","4","6","6","2","1") = "5"
    & skf21("1","6","6","4","6","6","3","1") = "5"
    & skf21("1","6","6","4","6","6","4","1") = "5"
    & skf21("1","6","6","4","6","6","5","1") = "5"
    & skf21("1","6","6","4","6","6","6","1") = "5"
    & skf21("1","6","6","4","6","6","7","1") = "6"
    & skf21("1","6","6","4","6","7","1","1") = "6"
    & skf21("1","6","6","4","6","7","2","1") = "6"
    & skf21("1","6","6","4","6","7","3","1") = "6"
    & skf21("1","6","6","4","6","7","4","1") = "6"
    & skf21("1","6","6","4","6","7","5","1") = "6"
    & skf21("1","6","6","4","6","7","6","1") = "6"
    & skf21("1","6","6","4","6","7","7","1") = "6"
    & skf21("1","6","6","4","7","1","1","1") = "6"
    & skf21("1","6","6","4","7","1","2","1") = "6"
    & skf21("1","6","6","4","7","1","3","1") = "6"
    & skf21("1","6","6","4","7","1","4","1") = "6"
    & skf21("1","6","6","4","7","1","5","1") = "6"
    & skf21("1","6","6","4","7","1","6","1") = "6"
    & skf21("1","6","6","4","7","1","7","1") = "6"
    & skf21("1","6","6","4","7","2","1","1") = "6"
    & skf21("1","6","6","4","7","2","2","1") = "6"
    & skf21("1","6","6","4","7","2","3","1") = "6"
    & skf21("1","6","6","4","7","2","4","1") = "6"
    & skf21("1","6","6","4","7","2","5","1") = "6"
    & skf21("1","6","6","4","7","2","6","1") = "6"
    & skf21("1","6","6","4","7","2","7","1") = "6"
    & skf21("1","6","6","4","7","3","1","1") = "6"
    & skf21("1","6","6","4","7","3","2","1") = "6"
    & skf21("1","6","6","4","7","3","3","1") = "6"
    & skf21("1","6","6","4","7","3","4","1") = "6"
    & skf21("1","6","6","4","7","3","5","1") = "6"
    & skf21("1","6","6","4","7","3","6","1") = "6"
    & skf21("1","6","6","4","7","3","7","1") = "6"
    & skf21("1","6","6","4","7","4","1","1") = "6"
    & skf21("1","6","6","4","7","4","2","1") = "6"
    & skf21("1","6","6","4","7","4","3","1") = "6"
    & skf21("1","6","6","4","7","4","4","1") = "6"
    & skf21("1","6","6","4","7","4","5","1") = "6"
    & skf21("1","6","6","4","7","4","6","1") = "6"
    & skf21("1","6","6","4","7","4","7","1") = "6"
    & skf21("1","6","6","4","7","5","1","1") = "6"
    & skf21("1","6","6","4","7","5","2","1") = "6"
    & skf21("1","6","6","4","7","5","3","1") = "6"
    & skf21("1","6","6","4","7","5","4","1") = "6"
    & skf21("1","6","6","4","7","5","5","1") = "6"
    & skf21("1","6","6","4","7","5","6","1") = "6"
    & skf21("1","6","6","4","7","5","7","1") = "6"
    & skf21("1","6","6","4","7","6","1","1") = "6"
    & skf21("1","6","6","4","7","6","2","1") = "6"
    & skf21("1","6","6","4","7","6","3","1") = "6"
    & skf21("1","6","6","4","7","6","4","1") = "6"
    & skf21("1","6","6","4","7","6","5","1") = "6"
    & skf21("1","6","6","4","7","6","6","1") = "6"
    & skf21("1","6","6","4","7","6","7","1") = "6"
    & skf21("1","6","6","4","7","7","1","1") = "6"
    & skf21("1","6","6","4","7","7","2","1") = "6"
    & skf21("1","6","6","4","7","7","3","1") = "6"
    & skf21("1","6","6","4","7","7","4","1") = "6"
    & skf21("1","6","6","4","7","7","5","1") = "6"
    & skf21("1","6","6","4","7","7","6","1") = "6"
    & skf21("1","6","6","4","7","7","7","1") = "6"
    & skf21("1","6","6","5","1","1","1","1") = "5"
    & skf21("1","6","6","5","1","1","2","1") = "5"
    & skf21("1","6","6","5","1","1","3","1") = "5"
    & skf21("1","6","6","5","1","1","4","1") = "5"
    & skf21("1","6","6","5","1","1","5","1") = "5"
    & skf21("1","6","6","5","1","1","6","1") = "5"
    & skf21("1","6","6","5","1","1","7","1") = "6"
    & skf21("1","6","6","5","1","2","1","1") = "5"
    & skf21("1","6","6","5","1","2","2","1") = "5"
    & skf21("1","6","6","5","1","2","3","1") = "5"
    & skf21("1","6","6","5","1","2","4","1") = "5"
    & skf21("1","6","6","5","1","2","5","1") = "5"
    & skf21("1","6","6","5","1","2","6","1") = "5"
    & skf21("1","6","6","5","1","2","7","1") = "6"
    & skf21("1","6","6","5","1","3","1","1") = "5"
    & skf21("1","6","6","5","1","3","2","1") = "5"
    & skf21("1","6","6","5","1","3","3","1") = "5"
    & skf21("1","6","6","5","1","3","4","1") = "5"
    & skf21("1","6","6","5","1","3","5","1") = "5"
    & skf21("1","6","6","5","1","3","6","1") = "5"
    & skf21("1","6","6","5","1","3","7","1") = "6"
    & skf21("1","6","6","5","1","4","1","1") = "5"
    & skf21("1","6","6","5","1","4","2","1") = "5"
    & skf21("1","6","6","5","1","4","3","1") = "5"
    & skf21("1","6","6","5","1","4","4","1") = "5"
    & skf21("1","6","6","5","1","4","5","1") = "5"
    & skf21("1","6","6","5","1","4","6","1") = "5"
    & skf21("1","6","6","5","1","4","7","1") = "6"
    & skf21("1","6","6","5","1","5","1","1") = "5"
    & skf21("1","6","6","5","1","5","2","1") = "5"
    & skf21("1","6","6","5","1","5","3","1") = "5"
    & skf21("1","6","6","5","1","5","4","1") = "5"
    & skf21("1","6","6","5","1","5","5","1") = "5"
    & skf21("1","6","6","5","1","5","6","1") = "5"
    & skf21("1","6","6","5","1","5","7","1") = "6"
    & skf21("1","6","6","5","1","6","1","1") = "5"
    & skf21("1","6","6","5","1","6","2","1") = "5"
    & skf21("1","6","6","5","1","6","3","1") = "5"
    & skf21("1","6","6","5","1","6","4","1") = "5"
    & skf21("1","6","6","5","1","6","5","1") = "5"
    & skf21("1","6","6","5","1","6","6","1") = "5"
    & skf21("1","6","6","5","1","6","7","1") = "6"
    & skf21("1","6","6","5","1","7","1","1") = "6"
    & skf21("1","6","6","5","1","7","2","1") = "6"
    & skf21("1","6","6","5","1","7","3","1") = "6"
    & skf21("1","6","6","5","1","7","4","1") = "6"
    & skf21("1","6","6","5","1","7","5","1") = "6"
    & skf21("1","6","6","5","1","7","6","1") = "6"
    & skf21("1","6","6","5","1","7","7","1") = "6"
    & skf21("1","6","6","5","2","1","1","1") = "5"
    & skf21("1","6","6","5","2","1","2","1") = "5"
    & skf21("1","6","6","5","2","1","3","1") = "5"
    & skf21("1","6","6","5","2","1","4","1") = "5"
    & skf21("1","6","6","5","2","1","5","1") = "5"
    & skf21("1","6","6","5","2","1","6","1") = "5"
    & skf21("1","6","6","5","2","1","7","1") = "6"
    & skf21("1","6","6","5","2","2","1","1") = "5"
    & skf21("1","6","6","5","2","2","2","1") = "5"
    & skf21("1","6","6","5","2","2","3","1") = "5"
    & skf21("1","6","6","5","2","2","4","1") = "5"
    & skf21("1","6","6","5","2","2","5","1") = "5"
    & skf21("1","6","6","5","2","2","6","1") = "5"
    & skf21("1","6","6","5","2","2","7","1") = "6"
    & skf21("1","6","6","5","2","3","1","1") = "5"
    & skf21("1","6","6","5","2","3","2","1") = "5"
    & skf21("1","6","6","5","2","3","3","1") = "5"
    & skf21("1","6","6","5","2","3","4","1") = "5"
    & skf21("1","6","6","5","2","3","5","1") = "5"
    & skf21("1","6","6","5","2","3","6","1") = "5"
    & skf21("1","6","6","5","2","3","7","1") = "6"
    & skf21("1","6","6","5","2","4","1","1") = "5"
    & skf21("1","6","6","5","2","4","2","1") = "5"
    & skf21("1","6","6","5","2","4","3","1") = "5"
    & skf21("1","6","6","5","2","4","4","1") = "5"
    & skf21("1","6","6","5","2","4","5","1") = "5"
    & skf21("1","6","6","5","2","4","6","1") = "5"
    & skf21("1","6","6","5","2","4","7","1") = "6"
    & skf21("1","6","6","5","2","5","1","1") = "5"
    & skf21("1","6","6","5","2","5","2","1") = "5"
    & skf21("1","6","6","5","2","5","3","1") = "5"
    & skf21("1","6","6","5","2","5","4","1") = "5"
    & skf21("1","6","6","5","2","5","5","1") = "5"
    & skf21("1","6","6","5","2","5","6","1") = "5"
    & skf21("1","6","6","5","2","5","7","1") = "6"
    & skf21("1","6","6","5","2","6","1","1") = "5"
    & skf21("1","6","6","5","2","6","2","1") = "5"
    & skf21("1","6","6","5","2","6","3","1") = "5"
    & skf21("1","6","6","5","2","6","4","1") = "5"
    & skf21("1","6","6","5","2","6","5","1") = "5"
    & skf21("1","6","6","5","2","6","6","1") = "5"
    & skf21("1","6","6","5","2","6","7","1") = "6"
    & skf21("1","6","6","5","2","7","1","1") = "6"
    & skf21("1","6","6","5","2","7","2","1") = "6"
    & skf21("1","6","6","5","2","7","3","1") = "6"
    & skf21("1","6","6","5","2","7","4","1") = "6"
    & skf21("1","6","6","5","2","7","5","1") = "6"
    & skf21("1","6","6","5","2","7","6","1") = "6"
    & skf21("1","6","6","5","2","7","7","1") = "6"
    & skf21("1","6","6","5","3","1","1","1") = "5"
    & skf21("1","6","6","5","3","1","2","1") = "5"
    & skf21("1","6","6","5","3","1","3","1") = "5"
    & skf21("1","6","6","5","3","1","4","1") = "5"
    & skf21("1","6","6","5","3","1","5","1") = "5"
    & skf21("1","6","6","5","3","1","6","1") = "5"
    & skf21("1","6","6","5","3","1","7","1") = "6"
    & skf21("1","6","6","5","3","2","1","1") = "5"
    & skf21("1","6","6","5","3","2","2","1") = "5"
    & skf21("1","6","6","5","3","2","3","1") = "5"
    & skf21("1","6","6","5","3","2","4","1") = "5"
    & skf21("1","6","6","5","3","2","5","1") = "5"
    & skf21("1","6","6","5","3","2","6","1") = "5"
    & skf21("1","6","6","5","3","2","7","1") = "6"
    & skf21("1","6","6","5","3","3","1","1") = "5"
    & skf21("1","6","6","5","3","3","2","1") = "5"
    & skf21("1","6","6","5","3","3","3","1") = "5"
    & skf21("1","6","6","5","3","3","4","1") = "5"
    & skf21("1","6","6","5","3","3","5","1") = "5"
    & skf21("1","6","6","5","3","3","6","1") = "5"
    & skf21("1","6","6","5","3","3","7","1") = "6"
    & skf21("1","6","6","5","3","4","1","1") = "5"
    & skf21("1","6","6","5","3","4","2","1") = "5"
    & skf21("1","6","6","5","3","4","3","1") = "5"
    & skf21("1","6","6","5","3","4","4","1") = "5"
    & skf21("1","6","6","5","3","4","5","1") = "5"
    & skf21("1","6","6","5","3","4","6","1") = "5"
    & skf21("1","6","6","5","3","4","7","1") = "6"
    & skf21("1","6","6","5","3","5","1","1") = "5"
    & skf21("1","6","6","5","3","5","2","1") = "5"
    & skf21("1","6","6","5","3","5","3","1") = "5"
    & skf21("1","6","6","5","3","5","4","1") = "5"
    & skf21("1","6","6","5","3","5","5","1") = "5"
    & skf21("1","6","6","5","3","5","6","1") = "5"
    & skf21("1","6","6","5","3","5","7","1") = "6"
    & skf21("1","6","6","5","3","6","1","1") = "5"
    & skf21("1","6","6","5","3","6","2","1") = "5"
    & skf21("1","6","6","5","3","6","3","1") = "5"
    & skf21("1","6","6","5","3","6","4","1") = "5"
    & skf21("1","6","6","5","3","6","5","1") = "5"
    & skf21("1","6","6","5","3","6","6","1") = "5"
    & skf21("1","6","6","5","3","6","7","1") = "6"
    & skf21("1","6","6","5","3","7","1","1") = "6"
    & skf21("1","6","6","5","3","7","2","1") = "6"
    & skf21("1","6","6","5","3","7","3","1") = "6"
    & skf21("1","6","6","5","3","7","4","1") = "6"
    & skf21("1","6","6","5","3","7","5","1") = "6"
    & skf21("1","6","6","5","3","7","6","1") = "6"
    & skf21("1","6","6","5","3","7","7","1") = "6"
    & skf21("1","6","6","5","4","1","1","1") = "5"
    & skf21("1","6","6","5","4","1","2","1") = "5"
    & skf21("1","6","6","5","4","1","3","1") = "5"
    & skf21("1","6","6","5","4","1","4","1") = "5"
    & skf21("1","6","6","5","4","1","5","1") = "5"
    & skf21("1","6","6","5","4","1","6","1") = "5"
    & skf21("1","6","6","5","4","1","7","1") = "6"
    & skf21("1","6","6","5","4","2","1","1") = "5"
    & skf21("1","6","6","5","4","2","2","1") = "5"
    & skf21("1","6","6","5","4","2","3","1") = "5"
    & skf21("1","6","6","5","4","2","4","1") = "5"
    & skf21("1","6","6","5","4","2","5","1") = "5"
    & skf21("1","6","6","5","4","2","6","1") = "5"
    & skf21("1","6","6","5","4","2","7","1") = "6"
    & skf21("1","6","6","5","4","3","1","1") = "5"
    & skf21("1","6","6","5","4","3","2","1") = "5"
    & skf21("1","6","6","5","4","3","3","1") = "5"
    & skf21("1","6","6","5","4","3","4","1") = "5"
    & skf21("1","6","6","5","4","3","5","1") = "5"
    & skf21("1","6","6","5","4","3","6","1") = "5"
    & skf21("1","6","6","5","4","3","7","1") = "6"
    & skf21("1","6","6","5","4","4","1","1") = "5"
    & skf21("1","6","6","5","4","4","2","1") = "5"
    & skf21("1","6","6","5","4","4","3","1") = "5"
    & skf21("1","6","6","5","4","4","4","1") = "5"
    & skf21("1","6","6","5","4","4","5","1") = "5"
    & skf21("1","6","6","5","4","4","6","1") = "5"
    & skf21("1","6","6","5","4","4","7","1") = "6"
    & skf21("1","6","6","5","4","5","1","1") = "5"
    & skf21("1","6","6","5","4","5","2","1") = "5"
    & skf21("1","6","6","5","4","5","3","1") = "5"
    & skf21("1","6","6","5","4","5","4","1") = "5"
    & skf21("1","6","6","5","4","5","5","1") = "5"
    & skf21("1","6","6","5","4","5","6","1") = "5"
    & skf21("1","6","6","5","4","5","7","1") = "6"
    & skf21("1","6","6","5","4","6","1","1") = "5"
    & skf21("1","6","6","5","4","6","2","1") = "5"
    & skf21("1","6","6","5","4","6","3","1") = "5"
    & skf21("1","6","6","5","4","6","4","1") = "5"
    & skf21("1","6","6","5","4","6","5","1") = "5"
    & skf21("1","6","6","5","4","6","6","1") = "5"
    & skf21("1","6","6","5","4","6","7","1") = "6"
    & skf21("1","6","6","5","4","7","1","1") = "6"
    & skf21("1","6","6","5","4","7","2","1") = "6"
    & skf21("1","6","6","5","4","7","3","1") = "6"
    & skf21("1","6","6","5","4","7","4","1") = "6"
    & skf21("1","6","6","5","4","7","5","1") = "6"
    & skf21("1","6","6","5","4","7","6","1") = "6"
    & skf21("1","6","6","5","4","7","7","1") = "6"
    & skf21("1","6","6","5","5","1","1","1") = "5"
    & skf21("1","6","6","5","5","1","2","1") = "5"
    & skf21("1","6","6","5","5","1","3","1") = "5"
    & skf21("1","6","6","5","5","1","4","1") = "5"
    & skf21("1","6","6","5","5","1","5","1") = "5"
    & skf21("1","6","6","5","5","1","6","1") = "5"
    & skf21("1","6","6","5","5","1","7","1") = "6"
    & skf21("1","6","6","5","5","2","1","1") = "5"
    & skf21("1","6","6","5","5","2","2","1") = "5"
    & skf21("1","6","6","5","5","2","3","1") = "5"
    & skf21("1","6","6","5","5","2","4","1") = "5"
    & skf21("1","6","6","5","5","2","5","1") = "5"
    & skf21("1","6","6","5","5","2","6","1") = "5"
    & skf21("1","6","6","5","5","2","7","1") = "6"
    & skf21("1","6","6","5","5","3","1","1") = "5"
    & skf21("1","6","6","5","5","3","2","1") = "5"
    & skf21("1","6","6","5","5","3","3","1") = "5"
    & skf21("1","6","6","5","5","3","4","1") = "5"
    & skf21("1","6","6","5","5","3","5","1") = "5"
    & skf21("1","6","6","5","5","3","6","1") = "5"
    & skf21("1","6","6","5","5","3","7","1") = "6"
    & skf21("1","6","6","5","5","4","1","1") = "5"
    & skf21("1","6","6","5","5","4","2","1") = "5"
    & skf21("1","6","6","5","5","4","3","1") = "5"
    & skf21("1","6","6","5","5","4","4","1") = "5"
    & skf21("1","6","6","5","5","4","5","1") = "5"
    & skf21("1","6","6","5","5","4","6","1") = "5"
    & skf21("1","6","6","5","5","4","7","1") = "6"
    & skf21("1","6","6","5","5","5","1","1") = "5"
    & skf21("1","6","6","5","5","5","2","1") = "5"
    & skf21("1","6","6","5","5","5","3","1") = "5"
    & skf21("1","6","6","5","5","5","4","1") = "5"
    & skf21("1","6","6","5","5","5","5","1") = "5"
    & skf21("1","6","6","5","5","5","6","1") = "5"
    & skf21("1","6","6","5","5","5","7","1") = "6"
    & skf21("1","6","6","5","5","6","1","1") = "5"
    & skf21("1","6","6","5","5","6","2","1") = "5"
    & skf21("1","6","6","5","5","6","3","1") = "5"
    & skf21("1","6","6","5","5","6","4","1") = "5"
    & skf21("1","6","6","5","5","6","5","1") = "5"
    & skf21("1","6","6","5","5","6","6","1") = "5"
    & skf21("1","6","6","5","5","6","7","1") = "6"
    & skf21("1","6","6","5","5","7","1","1") = "6"
    & skf21("1","6","6","5","5","7","2","1") = "6"
    & skf21("1","6","6","5","5","7","3","1") = "6"
    & skf21("1","6","6","5","5","7","4","1") = "6"
    & skf21("1","6","6","5","5","7","5","1") = "6"
    & skf21("1","6","6","5","5","7","6","1") = "6"
    & skf21("1","6","6","5","5","7","7","1") = "6"
    & skf21("1","6","6","5","6","1","1","1") = "5"
    & skf21("1","6","6","5","6","1","2","1") = "5"
    & skf21("1","6","6","5","6","1","3","1") = "5"
    & skf21("1","6","6","5","6","1","4","1") = "5"
    & skf21("1","6","6","5","6","1","5","1") = "5"
    & skf21("1","6","6","5","6","1","6","1") = "5"
    & skf21("1","6","6","5","6","1","7","1") = "6"
    & skf21("1","6","6","5","6","2","1","1") = "5"
    & skf21("1","6","6","5","6","2","2","1") = "5"
    & skf21("1","6","6","5","6","2","3","1") = "5"
    & skf21("1","6","6","5","6","2","4","1") = "5"
    & skf21("1","6","6","5","6","2","5","1") = "5"
    & skf21("1","6","6","5","6","2","6","1") = "5"
    & skf21("1","6","6","5","6","2","7","1") = "6"
    & skf21("1","6","6","5","6","3","1","1") = "5"
    & skf21("1","6","6","5","6","3","2","1") = "5"
    & skf21("1","6","6","5","6","3","3","1") = "5"
    & skf21("1","6","6","5","6","3","4","1") = "5"
    & skf21("1","6","6","5","6","3","5","1") = "5"
    & skf21("1","6","6","5","6","3","6","1") = "5"
    & skf21("1","6","6","5","6","3","7","1") = "6"
    & skf21("1","6","6","5","6","4","1","1") = "5"
    & skf21("1","6","6","5","6","4","2","1") = "5"
    & skf21("1","6","6","5","6","4","3","1") = "5"
    & skf21("1","6","6","5","6","4","4","1") = "5"
    & skf21("1","6","6","5","6","4","5","1") = "5"
    & skf21("1","6","6","5","6","4","6","1") = "5"
    & skf21("1","6","6","5","6","4","7","1") = "6"
    & skf21("1","6","6","5","6","5","1","1") = "5"
    & skf21("1","6","6","5","6","5","2","1") = "5"
    & skf21("1","6","6","5","6","5","3","1") = "5"
    & skf21("1","6","6","5","6","5","4","1") = "5"
    & skf21("1","6","6","5","6","5","5","1") = "5"
    & skf21("1","6","6","5","6","5","6","1") = "5"
    & skf21("1","6","6","5","6","5","7","1") = "6"
    & skf21("1","6","6","5","6","6","1","1") = "5"
    & skf21("1","6","6","5","6","6","2","1") = "5"
    & skf21("1","6","6","5","6","6","3","1") = "5"
    & skf21("1","6","6","5","6","6","4","1") = "5"
    & skf21("1","6","6","5","6","6","5","1") = "5"
    & skf21("1","6","6","5","6","6","6","1") = "5"
    & skf21("1","6","6","5","6","6","7","1") = "6"
    & skf21("1","6","6","5","6","7","1","1") = "6"
    & skf21("1","6","6","5","6","7","2","1") = "6"
    & skf21("1","6","6","5","6","7","3","1") = "6"
    & skf21("1","6","6","5","6","7","4","1") = "6"
    & skf21("1","6","6","5","6","7","5","1") = "6"
    & skf21("1","6","6","5","6","7","6","1") = "6"
    & skf21("1","6","6","5","6","7","7","1") = "6"
    & skf21("1","6","6","5","7","1","1","1") = "6"
    & skf21("1","6","6","5","7","1","2","1") = "6"
    & skf21("1","6","6","5","7","1","3","1") = "6"
    & skf21("1","6","6","5","7","1","4","1") = "6"
    & skf21("1","6","6","5","7","1","5","1") = "6"
    & skf21("1","6","6","5","7","1","6","1") = "6"
    & skf21("1","6","6","5","7","1","7","1") = "6"
    & skf21("1","6","6","5","7","2","1","1") = "6"
    & skf21("1","6","6","5","7","2","2","1") = "6"
    & skf21("1","6","6","5","7","2","3","1") = "6"
    & skf21("1","6","6","5","7","2","4","1") = "6"
    & skf21("1","6","6","5","7","2","5","1") = "6"
    & skf21("1","6","6","5","7","2","6","1") = "6"
    & skf21("1","6","6","5","7","2","7","1") = "6"
    & skf21("1","6","6","5","7","3","1","1") = "6"
    & skf21("1","6","6","5","7","3","2","1") = "6"
    & skf21("1","6","6","5","7","3","3","1") = "6"
    & skf21("1","6","6","5","7","3","4","1") = "6"
    & skf21("1","6","6","5","7","3","5","1") = "6"
    & skf21("1","6","6","5","7","3","6","1") = "6"
    & skf21("1","6","6","5","7","3","7","1") = "6"
    & skf21("1","6","6","5","7","4","1","1") = "6"
    & skf21("1","6","6","5","7","4","2","1") = "6"
    & skf21("1","6","6","5","7","4","3","1") = "6"
    & skf21("1","6","6","5","7","4","4","1") = "6"
    & skf21("1","6","6","5","7","4","5","1") = "6"
    & skf21("1","6","6","5","7","4","6","1") = "6"
    & skf21("1","6","6","5","7","4","7","1") = "6"
    & skf21("1","6","6","5","7","5","1","1") = "6"
    & skf21("1","6","6","5","7","5","2","1") = "6"
    & skf21("1","6","6","5","7","5","3","1") = "6"
    & skf21("1","6","6","5","7","5","4","1") = "6"
    & skf21("1","6","6","5","7","5","5","1") = "6"
    & skf21("1","6","6","5","7","5","6","1") = "6"
    & skf21("1","6","6","5","7","5","7","1") = "6"
    & skf21("1","6","6","5","7","6","1","1") = "6"
    & skf21("1","6","6","5","7","6","2","1") = "6"
    & skf21("1","6","6","5","7","6","3","1") = "6"
    & skf21("1","6","6","5","7","6","4","1") = "6"
    & skf21("1","6","6","5","7","6","5","1") = "6"
    & skf21("1","6","6","5","7","6","6","1") = "6"
    & skf21("1","6","6","5","7","6","7","1") = "6"
    & skf21("1","6","6","5","7","7","1","1") = "6"
    & skf21("1","6","6","5","7","7","2","1") = "6"
    & skf21("1","6","6","5","7","7","3","1") = "6"
    & skf21("1","6","6","5","7","7","4","1") = "6"
    & skf21("1","6","6","5","7","7","5","1") = "6"
    & skf21("1","6","6","5","7","7","6","1") = "6"
    & skf21("1","6","6","5","7","7","7","1") = "6"
    & skf21("1","6","6","6","1","1","1","1") = "5"
    & skf21("1","6","6","6","1","1","2","1") = "5"
    & skf21("1","6","6","6","1","1","3","1") = "5"
    & skf21("1","6","6","6","1","1","4","1") = "5"
    & skf21("1","6","6","6","1","1","5","1") = "5"
    & skf21("1","6","6","6","1","1","6","1") = "5"
    & skf21("1","6","6","6","1","1","7","1") = "6"
    & skf21("1","6","6","6","1","2","1","1") = "5"
    & skf21("1","6","6","6","1","2","2","1") = "5"
    & skf21("1","6","6","6","1","2","3","1") = "5"
    & skf21("1","6","6","6","1","2","4","1") = "5"
    & skf21("1","6","6","6","1","2","5","1") = "5"
    & skf21("1","6","6","6","1","2","6","1") = "5"
    & skf21("1","6","6","6","1","2","7","1") = "6"
    & skf21("1","6","6","6","1","3","1","1") = "5"
    & skf21("1","6","6","6","1","3","2","1") = "5"
    & skf21("1","6","6","6","1","3","3","1") = "5"
    & skf21("1","6","6","6","1","3","4","1") = "5"
    & skf21("1","6","6","6","1","3","5","1") = "5"
    & skf21("1","6","6","6","1","3","6","1") = "5"
    & skf21("1","6","6","6","1","3","7","1") = "6"
    & skf21("1","6","6","6","1","4","1","1") = "5"
    & skf21("1","6","6","6","1","4","2","1") = "5"
    & skf21("1","6","6","6","1","4","3","1") = "5"
    & skf21("1","6","6","6","1","4","4","1") = "5"
    & skf21("1","6","6","6","1","4","5","1") = "5"
    & skf21("1","6","6","6","1","4","6","1") = "5"
    & skf21("1","6","6","6","1","4","7","1") = "6"
    & skf21("1","6","6","6","1","5","1","1") = "5"
    & skf21("1","6","6","6","1","5","2","1") = "5"
    & skf21("1","6","6","6","1","5","3","1") = "5"
    & skf21("1","6","6","6","1","5","4","1") = "5"
    & skf21("1","6","6","6","1","5","5","1") = "5"
    & skf21("1","6","6","6","1","5","6","1") = "5"
    & skf21("1","6","6","6","1","5","7","1") = "6"
    & skf21("1","6","6","6","1","6","1","1") = "5"
    & skf21("1","6","6","6","1","6","2","1") = "5"
    & skf21("1","6","6","6","1","6","3","1") = "5"
    & skf21("1","6","6","6","1","6","4","1") = "5"
    & skf21("1","6","6","6","1","6","5","1") = "5"
    & skf21("1","6","6","6","1","6","6","1") = "5"
    & skf21("1","6","6","6","1","6","7","1") = "6"
    & skf21("1","6","6","6","1","7","1","1") = "6"
    & skf21("1","6","6","6","1","7","2","1") = "6"
    & skf21("1","6","6","6","1","7","3","1") = "6"
    & skf21("1","6","6","6","1","7","4","1") = "6"
    & skf21("1","6","6","6","1","7","5","1") = "6"
    & skf21("1","6","6","6","1","7","6","1") = "6"
    & skf21("1","6","6","6","1","7","7","1") = "6"
    & skf21("1","6","6","6","2","1","1","1") = "5"
    & skf21("1","6","6","6","2","1","2","1") = "5"
    & skf21("1","6","6","6","2","1","3","1") = "5"
    & skf21("1","6","6","6","2","1","4","1") = "5"
    & skf21("1","6","6","6","2","1","5","1") = "5"
    & skf21("1","6","6","6","2","1","6","1") = "5"
    & skf21("1","6","6","6","2","1","7","1") = "6"
    & skf21("1","6","6","6","2","2","1","1") = "5"
    & skf21("1","6","6","6","2","2","2","1") = "5"
    & skf21("1","6","6","6","2","2","3","1") = "5"
    & skf21("1","6","6","6","2","2","4","1") = "5"
    & skf21("1","6","6","6","2","2","5","1") = "5"
    & skf21("1","6","6","6","2","2","6","1") = "5"
    & skf21("1","6","6","6","2","2","7","1") = "6"
    & skf21("1","6","6","6","2","3","1","1") = "5"
    & skf21("1","6","6","6","2","3","2","1") = "5"
    & skf21("1","6","6","6","2","3","3","1") = "5"
    & skf21("1","6","6","6","2","3","4","1") = "5"
    & skf21("1","6","6","6","2","3","5","1") = "5"
    & skf21("1","6","6","6","2","3","6","1") = "5"
    & skf21("1","6","6","6","2","3","7","1") = "6"
    & skf21("1","6","6","6","2","4","1","1") = "5"
    & skf21("1","6","6","6","2","4","2","1") = "5"
    & skf21("1","6","6","6","2","4","3","1") = "5"
    & skf21("1","6","6","6","2","4","4","1") = "5"
    & skf21("1","6","6","6","2","4","5","1") = "5"
    & skf21("1","6","6","6","2","4","6","1") = "5"
    & skf21("1","6","6","6","2","4","7","1") = "6"
    & skf21("1","6","6","6","2","5","1","1") = "5"
    & skf21("1","6","6","6","2","5","2","1") = "5"
    & skf21("1","6","6","6","2","5","3","1") = "5"
    & skf21("1","6","6","6","2","5","4","1") = "5"
    & skf21("1","6","6","6","2","5","5","1") = "5"
    & skf21("1","6","6","6","2","5","6","1") = "5"
    & skf21("1","6","6","6","2","5","7","1") = "6"
    & skf21("1","6","6","6","2","6","1","1") = "5"
    & skf21("1","6","6","6","2","6","2","1") = "5"
    & skf21("1","6","6","6","2","6","3","1") = "5"
    & skf21("1","6","6","6","2","6","4","1") = "5"
    & skf21("1","6","6","6","2","6","5","1") = "5"
    & skf21("1","6","6","6","2","6","6","1") = "5"
    & skf21("1","6","6","6","2","6","7","1") = "6"
    & skf21("1","6","6","6","2","7","1","1") = "6"
    & skf21("1","6","6","6","2","7","2","1") = "6"
    & skf21("1","6","6","6","2","7","3","1") = "6"
    & skf21("1","6","6","6","2","7","4","1") = "6"
    & skf21("1","6","6","6","2","7","5","1") = "6"
    & skf21("1","6","6","6","2","7","6","1") = "6"
    & skf21("1","6","6","6","2","7","7","1") = "6"
    & skf21("1","6","6","6","3","1","1","1") = "5"
    & skf21("1","6","6","6","3","1","2","1") = "5"
    & skf21("1","6","6","6","3","1","3","1") = "5"
    & skf21("1","6","6","6","3","1","4","1") = "5"
    & skf21("1","6","6","6","3","1","5","1") = "5"
    & skf21("1","6","6","6","3","1","6","1") = "5"
    & skf21("1","6","6","6","3","1","7","1") = "6"
    & skf21("1","6","6","6","3","2","1","1") = "5"
    & skf21("1","6","6","6","3","2","2","1") = "5"
    & skf21("1","6","6","6","3","2","3","1") = "5"
    & skf21("1","6","6","6","3","2","4","1") = "5"
    & skf21("1","6","6","6","3","2","5","1") = "5"
    & skf21("1","6","6","6","3","2","6","1") = "5"
    & skf21("1","6","6","6","3","2","7","1") = "6"
    & skf21("1","6","6","6","3","3","1","1") = "5"
    & skf21("1","6","6","6","3","3","2","1") = "5"
    & skf21("1","6","6","6","3","3","3","1") = "5"
    & skf21("1","6","6","6","3","3","4","1") = "5"
    & skf21("1","6","6","6","3","3","5","1") = "5"
    & skf21("1","6","6","6","3","3","6","1") = "5"
    & skf21("1","6","6","6","3","3","7","1") = "6"
    & skf21("1","6","6","6","3","4","1","1") = "5"
    & skf21("1","6","6","6","3","4","2","1") = "5"
    & skf21("1","6","6","6","3","4","3","1") = "5"
    & skf21("1","6","6","6","3","4","4","1") = "5"
    & skf21("1","6","6","6","3","4","5","1") = "5"
    & skf21("1","6","6","6","3","4","6","1") = "5"
    & skf21("1","6","6","6","3","4","7","1") = "6"
    & skf21("1","6","6","6","3","5","1","1") = "5"
    & skf21("1","6","6","6","3","5","2","1") = "5"
    & skf21("1","6","6","6","3","5","3","1") = "5"
    & skf21("1","6","6","6","3","5","4","1") = "5"
    & skf21("1","6","6","6","3","5","5","1") = "5"
    & skf21("1","6","6","6","3","5","6","1") = "5"
    & skf21("1","6","6","6","3","5","7","1") = "6"
    & skf21("1","6","6","6","3","6","1","1") = "5"
    & skf21("1","6","6","6","3","6","2","1") = "5"
    & skf21("1","6","6","6","3","6","3","1") = "5"
    & skf21("1","6","6","6","3","6","4","1") = "5"
    & skf21("1","6","6","6","3","6","5","1") = "5"
    & skf21("1","6","6","6","3","6","6","1") = "5"
    & skf21("1","6","6","6","3","6","7","1") = "6"
    & skf21("1","6","6","6","3","7","1","1") = "6"
    & skf21("1","6","6","6","3","7","2","1") = "6"
    & skf21("1","6","6","6","3","7","3","1") = "6"
    & skf21("1","6","6","6","3","7","4","1") = "6"
    & skf21("1","6","6","6","3","7","5","1") = "6"
    & skf21("1","6","6","6","3","7","6","1") = "6"
    & skf21("1","6","6","6","3","7","7","1") = "6"
    & skf21("1","6","6","6","4","1","1","1") = "5"
    & skf21("1","6","6","6","4","1","2","1") = "5"
    & skf21("1","6","6","6","4","1","3","1") = "5"
    & skf21("1","6","6","6","4","1","4","1") = "5"
    & skf21("1","6","6","6","4","1","5","1") = "5"
    & skf21("1","6","6","6","4","1","6","1") = "5"
    & skf21("1","6","6","6","4","1","7","1") = "6"
    & skf21("1","6","6","6","4","2","1","1") = "5"
    & skf21("1","6","6","6","4","2","2","1") = "5"
    & skf21("1","6","6","6","4","2","3","1") = "5"
    & skf21("1","6","6","6","4","2","4","1") = "5"
    & skf21("1","6","6","6","4","2","5","1") = "5"
    & skf21("1","6","6","6","4","2","6","1") = "5"
    & skf21("1","6","6","6","4","2","7","1") = "6"
    & skf21("1","6","6","6","4","3","1","1") = "5"
    & skf21("1","6","6","6","4","3","2","1") = "5"
    & skf21("1","6","6","6","4","3","3","1") = "5"
    & skf21("1","6","6","6","4","3","4","1") = "5"
    & skf21("1","6","6","6","4","3","5","1") = "5"
    & skf21("1","6","6","6","4","3","6","1") = "5"
    & skf21("1","6","6","6","4","3","7","1") = "6"
    & skf21("1","6","6","6","4","4","1","1") = "5"
    & skf21("1","6","6","6","4","4","2","1") = "5"
    & skf21("1","6","6","6","4","4","3","1") = "5"
    & skf21("1","6","6","6","4","4","4","1") = "5"
    & skf21("1","6","6","6","4","4","5","1") = "5"
    & skf21("1","6","6","6","4","4","6","1") = "5"
    & skf21("1","6","6","6","4","4","7","1") = "6"
    & skf21("1","6","6","6","4","5","1","1") = "5"
    & skf21("1","6","6","6","4","5","2","1") = "5"
    & skf21("1","6","6","6","4","5","3","1") = "5"
    & skf21("1","6","6","6","4","5","4","1") = "5"
    & skf21("1","6","6","6","4","5","5","1") = "5"
    & skf21("1","6","6","6","4","5","6","1") = "5"
    & skf21("1","6","6","6","4","5","7","1") = "6"
    & skf21("1","6","6","6","4","6","1","1") = "5"
    & skf21("1","6","6","6","4","6","2","1") = "5"
    & skf21("1","6","6","6","4","6","3","1") = "5"
    & skf21("1","6","6","6","4","6","4","1") = "5"
    & skf21("1","6","6","6","4","6","5","1") = "5"
    & skf21("1","6","6","6","4","6","6","1") = "5"
    & skf21("1","6","6","6","4","6","7","1") = "6"
    & skf21("1","6","6","6","4","7","1","1") = "6"
    & skf21("1","6","6","6","4","7","2","1") = "6"
    & skf21("1","6","6","6","4","7","3","1") = "6"
    & skf21("1","6","6","6","4","7","4","1") = "6"
    & skf21("1","6","6","6","4","7","5","1") = "6"
    & skf21("1","6","6","6","4","7","6","1") = "6"
    & skf21("1","6","6","6","4","7","7","1") = "6"
    & skf21("1","6","6","6","5","1","1","1") = "5"
    & skf21("1","6","6","6","5","1","2","1") = "5"
    & skf21("1","6","6","6","5","1","3","1") = "5"
    & skf21("1","6","6","6","5","1","4","1") = "5"
    & skf21("1","6","6","6","5","1","5","1") = "5"
    & skf21("1","6","6","6","5","1","6","1") = "5"
    & skf21("1","6","6","6","5","1","7","1") = "6"
    & skf21("1","6","6","6","5","2","1","1") = "5"
    & skf21("1","6","6","6","5","2","2","1") = "5"
    & skf21("1","6","6","6","5","2","3","1") = "5"
    & skf21("1","6","6","6","5","2","4","1") = "5"
    & skf21("1","6","6","6","5","2","5","1") = "5"
    & skf21("1","6","6","6","5","2","6","1") = "5"
    & skf21("1","6","6","6","5","2","7","1") = "6"
    & skf21("1","6","6","6","5","3","1","1") = "5"
    & skf21("1","6","6","6","5","3","2","1") = "5"
    & skf21("1","6","6","6","5","3","3","1") = "5"
    & skf21("1","6","6","6","5","3","4","1") = "5"
    & skf21("1","6","6","6","5","3","5","1") = "5"
    & skf21("1","6","6","6","5","3","6","1") = "5"
    & skf21("1","6","6","6","5","3","7","1") = "6"
    & skf21("1","6","6","6","5","4","1","1") = "5"
    & skf21("1","6","6","6","5","4","2","1") = "5"
    & skf21("1","6","6","6","5","4","3","1") = "5"
    & skf21("1","6","6","6","5","4","4","1") = "5"
    & skf21("1","6","6","6","5","4","5","1") = "5"
    & skf21("1","6","6","6","5","4","6","1") = "5"
    & skf21("1","6","6","6","5","4","7","1") = "6"
    & skf21("1","6","6","6","5","5","1","1") = "5"
    & skf21("1","6","6","6","5","5","2","1") = "5"
    & skf21("1","6","6","6","5","5","3","1") = "5"
    & skf21("1","6","6","6","5","5","4","1") = "5"
    & skf21("1","6","6","6","5","5","5","1") = "5"
    & skf21("1","6","6","6","5","5","6","1") = "5"
    & skf21("1","6","6","6","5","5","7","1") = "6"
    & skf21("1","6","6","6","5","6","1","1") = "5"
    & skf21("1","6","6","6","5","6","2","1") = "5"
    & skf21("1","6","6","6","5","6","3","1") = "5"
    & skf21("1","6","6","6","5","6","4","1") = "5"
    & skf21("1","6","6","6","5","6","5","1") = "5"
    & skf21("1","6","6","6","5","6","6","1") = "5"
    & skf21("1","6","6","6","5","6","7","1") = "6"
    & skf21("1","6","6","6","5","7","1","1") = "6"
    & skf21("1","6","6","6","5","7","2","1") = "6"
    & skf21("1","6","6","6","5","7","3","1") = "6"
    & skf21("1","6","6","6","5","7","4","1") = "6"
    & skf21("1","6","6","6","5","7","5","1") = "6"
    & skf21("1","6","6","6","5","7","6","1") = "6"
    & skf21("1","6","6","6","5","7","7","1") = "6"
    & skf21("1","6","6","6","6","1","1","1") = "5"
    & skf21("1","6","6","6","6","1","2","1") = "5"
    & skf21("1","6","6","6","6","1","3","1") = "5"
    & skf21("1","6","6","6","6","1","4","1") = "5"
    & skf21("1","6","6","6","6","1","5","1") = "5"
    & skf21("1","6","6","6","6","1","6","1") = "5"
    & skf21("1","6","6","6","6","1","7","1") = "6"
    & skf21("1","6","6","6","6","2","1","1") = "5"
    & skf21("1","6","6","6","6","2","2","1") = "5"
    & skf21("1","6","6","6","6","2","3","1") = "5"
    & skf21("1","6","6","6","6","2","4","1") = "5"
    & skf21("1","6","6","6","6","2","5","1") = "5"
    & skf21("1","6","6","6","6","2","6","1") = "5"
    & skf21("1","6","6","6","6","2","7","1") = "6"
    & skf21("1","6","6","6","6","3","1","1") = "5"
    & skf21("1","6","6","6","6","3","2","1") = "5"
    & skf21("1","6","6","6","6","3","3","1") = "5"
    & skf21("1","6","6","6","6","3","4","1") = "5"
    & skf21("1","6","6","6","6","3","5","1") = "5"
    & skf21("1","6","6","6","6","3","6","1") = "5"
    & skf21("1","6","6","6","6","3","7","1") = "6"
    & skf21("1","6","6","6","6","4","1","1") = "5"
    & skf21("1","6","6","6","6","4","2","1") = "5"
    & skf21("1","6","6","6","6","4","3","1") = "5"
    & skf21("1","6","6","6","6","4","4","1") = "5"
    & skf21("1","6","6","6","6","4","5","1") = "5"
    & skf21("1","6","6","6","6","4","6","1") = "5"
    & skf21("1","6","6","6","6","4","7","1") = "6"
    & skf21("1","6","6","6","6","5","1","1") = "5"
    & skf21("1","6","6","6","6","5","2","1") = "5"
    & skf21("1","6","6","6","6","5","3","1") = "5"
    & skf21("1","6","6","6","6","5","4","1") = "5"
    & skf21("1","6","6","6","6","5","5","1") = "5"
    & skf21("1","6","6","6","6","5","6","1") = "5"
    & skf21("1","6","6","6","6","5","7","1") = "6"
    & skf21("1","6","6","6","6","6","1","1") = "5"
    & skf21("1","6","6","6","6","6","2","1") = "5"
    & skf21("1","6","6","6","6","6","3","1") = "5"
    & skf21("1","6","6","6","6","6","4","1") = "5"
    & skf21("1","6","6","6","6","6","5","1") = "5"
    & skf21("1","6","6","6","6","6","6","1") = "5"
    & skf21("1","6","6","6","6","6","7","1") = "6"
    & skf21("1","6","6","6","6","7","1","1") = "6"
    & skf21("1","6","6","6","6","7","2","1") = "6"
    & skf21("1","6","6","6","6","7","3","1") = "6"
    & skf21("1","6","6","6","6","7","4","1") = "6"
    & skf21("1","6","6","6","6","7","5","1") = "6"
    & skf21("1","6","6","6","6","7","6","1") = "6"
    & skf21("1","6","6","6","6","7","7","1") = "6"
    & skf21("1","6","6","6","7","1","1","1") = "6"
    & skf21("1","6","6","6","7","1","2","1") = "6"
    & skf21("1","6","6","6","7","1","3","1") = "6"
    & skf21("1","6","6","6","7","1","4","1") = "6"
    & skf21("1","6","6","6","7","1","5","1") = "6"
    & skf21("1","6","6","6","7","1","6","1") = "6"
    & skf21("1","6","6","6","7","1","7","1") = "6"
    & skf21("1","6","6","6","7","2","1","1") = "6"
    & skf21("1","6","6","6","7","2","2","1") = "6"
    & skf21("1","6","6","6","7","2","3","1") = "6"
    & skf21("1","6","6","6","7","2","4","1") = "6"
    & skf21("1","6","6","6","7","2","5","1") = "6"
    & skf21("1","6","6","6","7","2","6","1") = "6"
    & skf21("1","6","6","6","7","2","7","1") = "6"
    & skf21("1","6","6","6","7","3","1","1") = "6"
    & skf21("1","6","6","6","7","3","2","1") = "6"
    & skf21("1","6","6","6","7","3","3","1") = "6"
    & skf21("1","6","6","6","7","3","4","1") = "6"
    & skf21("1","6","6","6","7","3","5","1") = "6"
    & skf21("1","6","6","6","7","3","6","1") = "6"
    & skf21("1","6","6","6","7","3","7","1") = "6"
    & skf21("1","6","6","6","7","4","1","1") = "6"
    & skf21("1","6","6","6","7","4","2","1") = "6"
    & skf21("1","6","6","6","7","4","3","1") = "6"
    & skf21("1","6","6","6","7","4","4","1") = "6"
    & skf21("1","6","6","6","7","4","5","1") = "6"
    & skf21("1","6","6","6","7","4","6","1") = "6"
    & skf21("1","6","6","6","7","4","7","1") = "6"
    & skf21("1","6","6","6","7","5","1","1") = "6"
    & skf21("1","6","6","6","7","5","2","1") = "6"
    & skf21("1","6","6","6","7","5","3","1") = "6"
    & skf21("1","6","6","6","7","5","4","1") = "6"
    & skf21("1","6","6","6","7","5","5","1") = "6"
    & skf21("1","6","6","6","7","5","6","1") = "6"
    & skf21("1","6","6","6","7","5","7","1") = "6"
    & skf21("1","6","6","6","7","6","1","1") = "6"
    & skf21("1","6","6","6","7","6","2","1") = "6"
    & skf21("1","6","6","6","7","6","3","1") = "6"
    & skf21("1","6","6","6","7","6","4","1") = "6"
    & skf21("1","6","6","6","7","6","5","1") = "6"
    & skf21("1","6","6","6","7","6","6","1") = "6"
    & skf21("1","6","6","6","7","6","7","1") = "6"
    & skf21("1","6","6","6","7","7","1","1") = "6"
    & skf21("1","6","6","6","7","7","2","1") = "6"
    & skf21("1","6","6","6","7","7","3","1") = "6"
    & skf21("1","6","6","6","7","7","4","1") = "6"
    & skf21("1","6","6","6","7","7","5","1") = "6"
    & skf21("1","6","6","6","7","7","6","1") = "6"
    & skf21("1","6","6","6","7","7","7","1") = "6"
    & skf21("1","6","6","7","1","1","1","1") = "6"
    & skf21("1","6","6","7","1","1","2","1") = "6"
    & skf21("1","6","6","7","1","1","3","1") = "6"
    & skf21("1","6","6","7","1","1","4","1") = "6"
    & skf21("1","6","6","7","1","1","5","1") = "6"
    & skf21("1","6","6","7","1","1","6","1") = "6"
    & skf21("1","6","6","7","1","1","7","1") = "6"
    & skf21("1","6","6","7","1","2","1","1") = "6"
    & skf21("1","6","6","7","1","2","2","1") = "6"
    & skf21("1","6","6","7","1","2","3","1") = "6"
    & skf21("1","6","6","7","1","2","4","1") = "6"
    & skf21("1","6","6","7","1","2","5","1") = "6"
    & skf21("1","6","6","7","1","2","6","1") = "6"
    & skf21("1","6","6","7","1","2","7","1") = "6"
    & skf21("1","6","6","7","1","3","1","1") = "6"
    & skf21("1","6","6","7","1","3","2","1") = "6"
    & skf21("1","6","6","7","1","3","3","1") = "6"
    & skf21("1","6","6","7","1","3","4","1") = "6"
    & skf21("1","6","6","7","1","3","5","1") = "6"
    & skf21("1","6","6","7","1","3","6","1") = "6"
    & skf21("1","6","6","7","1","3","7","1") = "6"
    & skf21("1","6","6","7","1","4","1","1") = "6"
    & skf21("1","6","6","7","1","4","2","1") = "6"
    & skf21("1","6","6","7","1","4","3","1") = "6"
    & skf21("1","6","6","7","1","4","4","1") = "6"
    & skf21("1","6","6","7","1","4","5","1") = "6"
    & skf21("1","6","6","7","1","4","6","1") = "6"
    & skf21("1","6","6","7","1","4","7","1") = "6"
    & skf21("1","6","6","7","1","5","1","1") = "6"
    & skf21("1","6","6","7","1","5","2","1") = "6"
    & skf21("1","6","6","7","1","5","3","1") = "6"
    & skf21("1","6","6","7","1","5","4","1") = "6"
    & skf21("1","6","6","7","1","5","5","1") = "6"
    & skf21("1","6","6","7","1","5","6","1") = "6"
    & skf21("1","6","6","7","1","5","7","1") = "6"
    & skf21("1","6","6","7","1","6","1","1") = "6"
    & skf21("1","6","6","7","1","6","2","1") = "6"
    & skf21("1","6","6","7","1","6","3","1") = "6"
    & skf21("1","6","6","7","1","6","4","1") = "6"
    & skf21("1","6","6","7","1","6","5","1") = "6"
    & skf21("1","6","6","7","1","6","6","1") = "6"
    & skf21("1","6","6","7","1","6","7","1") = "6"
    & skf21("1","6","6","7","1","7","1","1") = "6"
    & skf21("1","6","6","7","1","7","2","1") = "6"
    & skf21("1","6","6","7","1","7","3","1") = "6"
    & skf21("1","6","6","7","1","7","4","1") = "6"
    & skf21("1","6","6","7","1","7","5","1") = "6"
    & skf21("1","6","6","7","1","7","6","1") = "6"
    & skf21("1","6","6","7","1","7","7","1") = "6"
    & skf21("1","6","6","7","2","1","1","1") = "6"
    & skf21("1","6","6","7","2","1","2","1") = "6"
    & skf21("1","6","6","7","2","1","3","1") = "6"
    & skf21("1","6","6","7","2","1","4","1") = "6"
    & skf21("1","6","6","7","2","1","5","1") = "6"
    & skf21("1","6","6","7","2","1","6","1") = "6"
    & skf21("1","6","6","7","2","1","7","1") = "6"
    & skf21("1","6","6","7","2","2","1","1") = "6"
    & skf21("1","6","6","7","2","2","2","1") = "6"
    & skf21("1","6","6","7","2","2","3","1") = "6"
    & skf21("1","6","6","7","2","2","4","1") = "6"
    & skf21("1","6","6","7","2","2","5","1") = "6"
    & skf21("1","6","6","7","2","2","6","1") = "6"
    & skf21("1","6","6","7","2","2","7","1") = "6"
    & skf21("1","6","6","7","2","3","1","1") = "6"
    & skf21("1","6","6","7","2","3","2","1") = "6"
    & skf21("1","6","6","7","2","3","3","1") = "6"
    & skf21("1","6","6","7","2","3","4","1") = "6"
    & skf21("1","6","6","7","2","3","5","1") = "6"
    & skf21("1","6","6","7","2","3","6","1") = "6"
    & skf21("1","6","6","7","2","3","7","1") = "6"
    & skf21("1","6","6","7","2","4","1","1") = "6"
    & skf21("1","6","6","7","2","4","2","1") = "6"
    & skf21("1","6","6","7","2","4","3","1") = "6"
    & skf21("1","6","6","7","2","4","4","1") = "6"
    & skf21("1","6","6","7","2","4","5","1") = "6"
    & skf21("1","6","6","7","2","4","6","1") = "6"
    & skf21("1","6","6","7","2","4","7","1") = "6"
    & skf21("1","6","6","7","2","5","1","1") = "6"
    & skf21("1","6","6","7","2","5","2","1") = "6"
    & skf21("1","6","6","7","2","5","3","1") = "6"
    & skf21("1","6","6","7","2","5","4","1") = "6"
    & skf21("1","6","6","7","2","5","5","1") = "6"
    & skf21("1","6","6","7","2","5","6","1") = "6"
    & skf21("1","6","6","7","2","5","7","1") = "6"
    & skf21("1","6","6","7","2","6","1","1") = "6"
    & skf21("1","6","6","7","2","6","2","1") = "6"
    & skf21("1","6","6","7","2","6","3","1") = "6"
    & skf21("1","6","6","7","2","6","4","1") = "6"
    & skf21("1","6","6","7","2","6","5","1") = "6"
    & skf21("1","6","6","7","2","6","6","1") = "6"
    & skf21("1","6","6","7","2","6","7","1") = "6"
    & skf21("1","6","6","7","2","7","1","1") = "6"
    & skf21("1","6","6","7","2","7","2","1") = "6"
    & skf21("1","6","6","7","2","7","3","1") = "6"
    & skf21("1","6","6","7","2","7","4","1") = "6"
    & skf21("1","6","6","7","2","7","5","1") = "6"
    & skf21("1","6","6","7","2","7","6","1") = "6"
    & skf21("1","6","6","7","2","7","7","1") = "6"
    & skf21("1","6","6","7","3","1","1","1") = "6"
    & skf21("1","6","6","7","3","1","2","1") = "6"
    & skf21("1","6","6","7","3","1","3","1") = "6"
    & skf21("1","6","6","7","3","1","4","1") = "6"
    & skf21("1","6","6","7","3","1","5","1") = "6"
    & skf21("1","6","6","7","3","1","6","1") = "6"
    & skf21("1","6","6","7","3","1","7","1") = "6"
    & skf21("1","6","6","7","3","2","1","1") = "6"
    & skf21("1","6","6","7","3","2","2","1") = "6"
    & skf21("1","6","6","7","3","2","3","1") = "6"
    & skf21("1","6","6","7","3","2","4","1") = "6"
    & skf21("1","6","6","7","3","2","5","1") = "6"
    & skf21("1","6","6","7","3","2","6","1") = "6"
    & skf21("1","6","6","7","3","2","7","1") = "6"
    & skf21("1","6","6","7","3","3","1","1") = "6"
    & skf21("1","6","6","7","3","3","2","1") = "6"
    & skf21("1","6","6","7","3","3","3","1") = "6"
    & skf21("1","6","6","7","3","3","4","1") = "6"
    & skf21("1","6","6","7","3","3","5","1") = "6"
    & skf21("1","6","6","7","3","3","6","1") = "6"
    & skf21("1","6","6","7","3","3","7","1") = "6"
    & skf21("1","6","6","7","3","4","1","1") = "6"
    & skf21("1","6","6","7","3","4","2","1") = "6"
    & skf21("1","6","6","7","3","4","3","1") = "6"
    & skf21("1","6","6","7","3","4","4","1") = "6"
    & skf21("1","6","6","7","3","4","5","1") = "6"
    & skf21("1","6","6","7","3","4","6","1") = "6"
    & skf21("1","6","6","7","3","4","7","1") = "6"
    & skf21("1","6","6","7","3","5","1","1") = "6"
    & skf21("1","6","6","7","3","5","2","1") = "6"
    & skf21("1","6","6","7","3","5","3","1") = "6"
    & skf21("1","6","6","7","3","5","4","1") = "6"
    & skf21("1","6","6","7","3","5","5","1") = "6"
    & skf21("1","6","6","7","3","5","6","1") = "6"
    & skf21("1","6","6","7","3","5","7","1") = "6"
    & skf21("1","6","6","7","3","6","1","1") = "6"
    & skf21("1","6","6","7","3","6","2","1") = "6"
    & skf21("1","6","6","7","3","6","3","1") = "6"
    & skf21("1","6","6","7","3","6","4","1") = "6"
    & skf21("1","6","6","7","3","6","5","1") = "6"
    & skf21("1","6","6","7","3","6","6","1") = "6"
    & skf21("1","6","6","7","3","6","7","1") = "6"
    & skf21("1","6","6","7","3","7","1","1") = "6"
    & skf21("1","6","6","7","3","7","2","1") = "6"
    & skf21("1","6","6","7","3","7","3","1") = "6"
    & skf21("1","6","6","7","3","7","4","1") = "6"
    & skf21("1","6","6","7","3","7","5","1") = "6"
    & skf21("1","6","6","7","3","7","6","1") = "6"
    & skf21("1","6","6","7","3","7","7","1") = "6"
    & skf21("1","6","6","7","4","1","1","1") = "6"
    & skf21("1","6","6","7","4","1","2","1") = "6"
    & skf21("1","6","6","7","4","1","3","1") = "6"
    & skf21("1","6","6","7","4","1","4","1") = "6"
    & skf21("1","6","6","7","4","1","5","1") = "6"
    & skf21("1","6","6","7","4","1","6","1") = "6"
    & skf21("1","6","6","7","4","1","7","1") = "6"
    & skf21("1","6","6","7","4","2","1","1") = "6"
    & skf21("1","6","6","7","4","2","2","1") = "6"
    & skf21("1","6","6","7","4","2","3","1") = "6"
    & skf21("1","6","6","7","4","2","4","1") = "6"
    & skf21("1","6","6","7","4","2","5","1") = "6"
    & skf21("1","6","6","7","4","2","6","1") = "6"
    & skf21("1","6","6","7","4","2","7","1") = "6"
    & skf21("1","6","6","7","4","3","1","1") = "6"
    & skf21("1","6","6","7","4","3","2","1") = "6"
    & skf21("1","6","6","7","4","3","3","1") = "6"
    & skf21("1","6","6","7","4","3","4","1") = "6"
    & skf21("1","6","6","7","4","3","5","1") = "6"
    & skf21("1","6","6","7","4","3","6","1") = "6"
    & skf21("1","6","6","7","4","3","7","1") = "6"
    & skf21("1","6","6","7","4","4","1","1") = "6"
    & skf21("1","6","6","7","4","4","2","1") = "6"
    & skf21("1","6","6","7","4","4","3","1") = "6"
    & skf21("1","6","6","7","4","4","4","1") = "6"
    & skf21("1","6","6","7","4","4","5","1") = "6"
    & skf21("1","6","6","7","4","4","6","1") = "6"
    & skf21("1","6","6","7","4","4","7","1") = "6"
    & skf21("1","6","6","7","4","5","1","1") = "6"
    & skf21("1","6","6","7","4","5","2","1") = "6"
    & skf21("1","6","6","7","4","5","3","1") = "6"
    & skf21("1","6","6","7","4","5","4","1") = "6"
    & skf21("1","6","6","7","4","5","5","1") = "6"
    & skf21("1","6","6","7","4","5","6","1") = "6"
    & skf21("1","6","6","7","4","5","7","1") = "6"
    & skf21("1","6","6","7","4","6","1","1") = "6"
    & skf21("1","6","6","7","4","6","2","1") = "6"
    & skf21("1","6","6","7","4","6","3","1") = "6"
    & skf21("1","6","6","7","4","6","4","1") = "6"
    & skf21("1","6","6","7","4","6","5","1") = "6"
    & skf21("1","6","6","7","4","6","6","1") = "6"
    & skf21("1","6","6","7","4","6","7","1") = "6"
    & skf21("1","6","6","7","4","7","1","1") = "6"
    & skf21("1","6","6","7","4","7","2","1") = "6"
    & skf21("1","6","6","7","4","7","3","1") = "6"
    & skf21("1","6","6","7","4","7","4","1") = "6"
    & skf21("1","6","6","7","4","7","5","1") = "6"
    & skf21("1","6","6","7","4","7","6","1") = "6"
    & skf21("1","6","6","7","4","7","7","1") = "6"
    & skf21("1","6","6","7","5","1","1","1") = "6"
    & skf21("1","6","6","7","5","1","2","1") = "6"
    & skf21("1","6","6","7","5","1","3","1") = "6"
    & skf21("1","6","6","7","5","1","4","1") = "6"
    & skf21("1","6","6","7","5","1","5","1") = "6"
    & skf21("1","6","6","7","5","1","6","1") = "6"
    & skf21("1","6","6","7","5","1","7","1") = "6"
    & skf21("1","6","6","7","5","2","1","1") = "6"
    & skf21("1","6","6","7","5","2","2","1") = "6"
    & skf21("1","6","6","7","5","2","3","1") = "6"
    & skf21("1","6","6","7","5","2","4","1") = "6"
    & skf21("1","6","6","7","5","2","5","1") = "6"
    & skf21("1","6","6","7","5","2","6","1") = "6"
    & skf21("1","6","6","7","5","2","7","1") = "6"
    & skf21("1","6","6","7","5","3","1","1") = "6"
    & skf21("1","6","6","7","5","3","2","1") = "6"
    & skf21("1","6","6","7","5","3","3","1") = "6"
    & skf21("1","6","6","7","5","3","4","1") = "6"
    & skf21("1","6","6","7","5","3","5","1") = "6"
    & skf21("1","6","6","7","5","3","6","1") = "6"
    & skf21("1","6","6","7","5","3","7","1") = "6"
    & skf21("1","6","6","7","5","4","1","1") = "6"
    & skf21("1","6","6","7","5","4","2","1") = "6"
    & skf21("1","6","6","7","5","4","3","1") = "6"
    & skf21("1","6","6","7","5","4","4","1") = "6"
    & skf21("1","6","6","7","5","4","5","1") = "6"
    & skf21("1","6","6","7","5","4","6","1") = "6"
    & skf21("1","6","6","7","5","4","7","1") = "6"
    & skf21("1","6","6","7","5","5","1","1") = "6"
    & skf21("1","6","6","7","5","5","2","1") = "6"
    & skf21("1","6","6","7","5","5","3","1") = "6"
    & skf21("1","6","6","7","5","5","4","1") = "6"
    & skf21("1","6","6","7","5","5","5","1") = "6"
    & skf21("1","6","6","7","5","5","6","1") = "6"
    & skf21("1","6","6","7","5","5","7","1") = "6"
    & skf21("1","6","6","7","5","6","1","1") = "6"
    & skf21("1","6","6","7","5","6","2","1") = "6"
    & skf21("1","6","6","7","5","6","3","1") = "6"
    & skf21("1","6","6","7","5","6","4","1") = "6"
    & skf21("1","6","6","7","5","6","5","1") = "6"
    & skf21("1","6","6","7","5","6","6","1") = "6"
    & skf21("1","6","6","7","5","6","7","1") = "6"
    & skf21("1","6","6","7","5","7","1","1") = "6"
    & skf21("1","6","6","7","5","7","2","1") = "6"
    & skf21("1","6","6","7","5","7","3","1") = "6"
    & skf21("1","6","6","7","5","7","4","1") = "6"
    & skf21("1","6","6","7","5","7","5","1") = "6"
    & skf21("1","6","6","7","5","7","6","1") = "6"
    & skf21("1","6","6","7","5","7","7","1") = "6"
    & skf21("1","6","6","7","6","1","1","1") = "6"
    & skf21("1","6","6","7","6","1","2","1") = "6"
    & skf21("1","6","6","7","6","1","3","1") = "6"
    & skf21("1","6","6","7","6","1","4","1") = "6"
    & skf21("1","6","6","7","6","1","5","1") = "6"
    & skf21("1","6","6","7","6","1","6","1") = "6"
    & skf21("1","6","6","7","6","1","7","1") = "6"
    & skf21("1","6","6","7","6","2","1","1") = "6"
    & skf21("1","6","6","7","6","2","2","1") = "6"
    & skf21("1","6","6","7","6","2","3","1") = "6"
    & skf21("1","6","6","7","6","2","4","1") = "6"
    & skf21("1","6","6","7","6","2","5","1") = "6"
    & skf21("1","6","6","7","6","2","6","1") = "6"
    & skf21("1","6","6","7","6","2","7","1") = "6"
    & skf21("1","6","6","7","6","3","1","1") = "6"
    & skf21("1","6","6","7","6","3","2","1") = "6"
    & skf21("1","6","6","7","6","3","3","1") = "6"
    & skf21("1","6","6","7","6","3","4","1") = "6"
    & skf21("1","6","6","7","6","3","5","1") = "6"
    & skf21("1","6","6","7","6","3","6","1") = "6"
    & skf21("1","6","6","7","6","3","7","1") = "6"
    & skf21("1","6","6","7","6","4","1","1") = "6"
    & skf21("1","6","6","7","6","4","2","1") = "6"
    & skf21("1","6","6","7","6","4","3","1") = "6"
    & skf21("1","6","6","7","6","4","4","1") = "6"
    & skf21("1","6","6","7","6","4","5","1") = "6"
    & skf21("1","6","6","7","6","4","6","1") = "6"
    & skf21("1","6","6","7","6","4","7","1") = "6"
    & skf21("1","6","6","7","6","5","1","1") = "6"
    & skf21("1","6","6","7","6","5","2","1") = "6"
    & skf21("1","6","6","7","6","5","3","1") = "6"
    & skf21("1","6","6","7","6","5","4","1") = "6"
    & skf21("1","6","6","7","6","5","5","1") = "6"
    & skf21("1","6","6","7","6","5","6","1") = "6"
    & skf21("1","6","6","7","6","5","7","1") = "6"
    & skf21("1","6","6","7","6","6","1","1") = "6"
    & skf21("1","6","6","7","6","6","2","1") = "6"
    & skf21("1","6","6","7","6","6","3","1") = "6"
    & skf21("1","6","6","7","6","6","4","1") = "6"
    & skf21("1","6","6","7","6","6","5","1") = "6"
    & skf21("1","6","6","7","6","6","6","1") = "6"
    & skf21("1","6","6","7","6","6","7","1") = "6"
    & skf21("1","6","6","7","6","7","1","1") = "6"
    & skf21("1","6","6","7","6","7","2","1") = "6"
    & skf21("1","6","6","7","6","7","3","1") = "6"
    & skf21("1","6","6","7","6","7","4","1") = "6"
    & skf21("1","6","6","7","6","7","5","1") = "6"
    & skf21("1","6","6","7","6","7","6","1") = "6"
    & skf21("1","6","6","7","6","7","7","1") = "6"
    & skf21("1","6","6","7","7","1","1","1") = "6"
    & skf21("1","6","6","7","7","1","2","1") = "6"
    & skf21("1","6","6","7","7","1","3","1") = "6"
    & skf21("1","6","6","7","7","1","4","1") = "6"
    & skf21("1","6","6","7","7","1","5","1") = "6"
    & skf21("1","6","6","7","7","1","6","1") = "6"
    & skf21("1","6","6","7","7","1","7","1") = "6"
    & skf21("1","6","6","7","7","2","1","1") = "6"
    & skf21("1","6","6","7","7","2","2","1") = "6"
    & skf21("1","6","6","7","7","2","3","1") = "6"
    & skf21("1","6","6","7","7","2","4","1") = "6"
    & skf21("1","6","6","7","7","2","5","1") = "6"
    & skf21("1","6","6","7","7","2","6","1") = "6"
    & skf21("1","6","6","7","7","2","7","1") = "6"
    & skf21("1","6","6","7","7","3","1","1") = "6"
    & skf21("1","6","6","7","7","3","2","1") = "6"
    & skf21("1","6","6","7","7","3","3","1") = "6"
    & skf21("1","6","6","7","7","3","4","1") = "6"
    & skf21("1","6","6","7","7","3","5","1") = "6"
    & skf21("1","6","6","7","7","3","6","1") = "6"
    & skf21("1","6","6","7","7","3","7","1") = "6"
    & skf21("1","6","6","7","7","4","1","1") = "6"
    & skf21("1","6","6","7","7","4","2","1") = "6"
    & skf21("1","6","6","7","7","4","3","1") = "6"
    & skf21("1","6","6","7","7","4","4","1") = "6"
    & skf21("1","6","6","7","7","4","5","1") = "6"
    & skf21("1","6","6","7","7","4","6","1") = "6"
    & skf21("1","6","6","7","7","4","7","1") = "6"
    & skf21("1","6","6","7","7","5","1","1") = "6"
    & skf21("1","6","6","7","7","5","2","1") = "6"
    & skf21("1","6","6","7","7","5","3","1") = "6"
    & skf21("1","6","6","7","7","5","4","1") = "6"
    & skf21("1","6","6","7","7","5","5","1") = "6"
    & skf21("1","6","6","7","7","5","6","1") = "6"
    & skf21("1","6","6","7","7","5","7","1") = "6"
    & skf21("1","6","6","7","7","6","1","1") = "6"
    & skf21("1","6","6","7","7","6","2","1") = "6"
    & skf21("1","6","6","7","7","6","3","1") = "6"
    & skf21("1","6","6","7","7","6","4","1") = "6"
    & skf21("1","6","6","7","7","6","5","1") = "6"
    & skf21("1","6","6","7","7","6","6","1") = "6"
    & skf21("1","6","6","7","7","6","7","1") = "6"
    & skf21("1","6","6","7","7","7","1","1") = "6"
    & skf21("1","6","6","7","7","7","2","1") = "6"
    & skf21("1","6","6","7","7","7","3","1") = "6"
    & skf21("1","6","6","7","7","7","4","1") = "6"
    & skf21("1","6","6","7","7","7","5","1") = "6"
    & skf21("1","6","6","7","7","7","6","1") = "6"
    & skf21("1","6","6","7","7","7","7","1") = "6"
    & skf21("1","6","7","1","1","1","1","1") = "6"
    & skf21("1","6","7","1","1","1","2","1") = "6"
    & skf21("1","6","7","1","1","1","3","1") = "6"
    & skf21("1","6","7","1","1","1","4","1") = "6"
    & skf21("1","6","7","1","1","1","5","1") = "6"
    & skf21("1","6","7","1","1","1","6","1") = "6"
    & skf21("1","6","7","1","1","1","7","1") = "6"
    & skf21("1","6","7","1","1","2","1","1") = "6"
    & skf21("1","6","7","1","1","2","2","1") = "6"
    & skf21("1","6","7","1","1","2","3","1") = "6"
    & skf21("1","6","7","1","1","2","4","1") = "6"
    & skf21("1","6","7","1","1","2","5","1") = "6"
    & skf21("1","6","7","1","1","2","6","1") = "6"
    & skf21("1","6","7","1","1","2","7","1") = "6"
    & skf21("1","6","7","1","1","3","1","1") = "6"
    & skf21("1","6","7","1","1","3","2","1") = "6"
    & skf21("1","6","7","1","1","3","3","1") = "6"
    & skf21("1","6","7","1","1","3","4","1") = "6"
    & skf21("1","6","7","1","1","3","5","1") = "6"
    & skf21("1","6","7","1","1","3","6","1") = "6"
    & skf21("1","6","7","1","1","3","7","1") = "6"
    & skf21("1","6","7","1","1","4","1","1") = "6"
    & skf21("1","6","7","1","1","4","2","1") = "6"
    & skf21("1","6","7","1","1","4","3","1") = "6"
    & skf21("1","6","7","1","1","4","4","1") = "6"
    & skf21("1","6","7","1","1","4","5","1") = "6"
    & skf21("1","6","7","1","1","4","6","1") = "6"
    & skf21("1","6","7","1","1","4","7","1") = "6"
    & skf21("1","6","7","1","1","5","1","1") = "6"
    & skf21("1","6","7","1","1","5","2","1") = "6"
    & skf21("1","6","7","1","1","5","3","1") = "6"
    & skf21("1","6","7","1","1","5","4","1") = "6"
    & skf21("1","6","7","1","1","5","5","1") = "6"
    & skf21("1","6","7","1","1","5","6","1") = "6"
    & skf21("1","6","7","1","1","5","7","1") = "6"
    & skf21("1","6","7","1","1","6","1","1") = "6"
    & skf21("1","6","7","1","1","6","2","1") = "6"
    & skf21("1","6","7","1","1","6","3","1") = "6"
    & skf21("1","6","7","1","1","6","4","1") = "6"
    & skf21("1","6","7","1","1","6","5","1") = "6"
    & skf21("1","6","7","1","1","6","6","1") = "6"
    & skf21("1","6","7","1","1","6","7","1") = "6"
    & skf21("1","6","7","1","1","7","1","1") = "6"
    & skf21("1","6","7","1","1","7","2","1") = "6"
    & skf21("1","6","7","1","1","7","3","1") = "6"
    & skf21("1","6","7","1","1","7","4","1") = "6"
    & skf21("1","6","7","1","1","7","5","1") = "6"
    & skf21("1","6","7","1","1","7","6","1") = "6"
    & skf21("1","6","7","1","1","7","7","1") = "6"
    & skf21("1","6","7","1","2","1","1","1") = "6"
    & skf21("1","6","7","1","2","1","2","1") = "6"
    & skf21("1","6","7","1","2","1","3","1") = "6"
    & skf21("1","6","7","1","2","1","4","1") = "6"
    & skf21("1","6","7","1","2","1","5","1") = "6"
    & skf21("1","6","7","1","2","1","6","1") = "6"
    & skf21("1","6","7","1","2","1","7","1") = "6"
    & skf21("1","6","7","1","2","2","1","1") = "6"
    & skf21("1","6","7","1","2","2","2","1") = "6"
    & skf21("1","6","7","1","2","2","3","1") = "6"
    & skf21("1","6","7","1","2","2","4","1") = "6"
    & skf21("1","6","7","1","2","2","5","1") = "6"
    & skf21("1","6","7","1","2","2","6","1") = "6"
    & skf21("1","6","7","1","2","2","7","1") = "6"
    & skf21("1","6","7","1","2","3","1","1") = "6"
    & skf21("1","6","7","1","2","3","2","1") = "6"
    & skf21("1","6","7","1","2","3","3","1") = "6"
    & skf21("1","6","7","1","2","3","4","1") = "6"
    & skf21("1","6","7","1","2","3","5","1") = "6"
    & skf21("1","6","7","1","2","3","6","1") = "6"
    & skf21("1","6","7","1","2","3","7","1") = "6"
    & skf21("1","6","7","1","2","4","1","1") = "6"
    & skf21("1","6","7","1","2","4","2","1") = "6"
    & skf21("1","6","7","1","2","4","3","1") = "6"
    & skf21("1","6","7","1","2","4","4","1") = "6"
    & skf21("1","6","7","1","2","4","5","1") = "6"
    & skf21("1","6","7","1","2","4","6","1") = "6"
    & skf21("1","6","7","1","2","4","7","1") = "6"
    & skf21("1","6","7","1","2","5","1","1") = "6"
    & skf21("1","6","7","1","2","5","2","1") = "6"
    & skf21("1","6","7","1","2","5","3","1") = "6"
    & skf21("1","6","7","1","2","5","4","1") = "6"
    & skf21("1","6","7","1","2","5","5","1") = "6"
    & skf21("1","6","7","1","2","5","6","1") = "6"
    & skf21("1","6","7","1","2","5","7","1") = "6"
    & skf21("1","6","7","1","2","6","1","1") = "6"
    & skf21("1","6","7","1","2","6","2","1") = "6"
    & skf21("1","6","7","1","2","6","3","1") = "6"
    & skf21("1","6","7","1","2","6","4","1") = "6"
    & skf21("1","6","7","1","2","6","5","1") = "6"
    & skf21("1","6","7","1","2","6","6","1") = "6"
    & skf21("1","6","7","1","2","6","7","1") = "6"
    & skf21("1","6","7","1","2","7","1","1") = "6"
    & skf21("1","6","7","1","2","7","2","1") = "6"
    & skf21("1","6","7","1","2","7","3","1") = "6"
    & skf21("1","6","7","1","2","7","4","1") = "6"
    & skf21("1","6","7","1","2","7","5","1") = "6"
    & skf21("1","6","7","1","2","7","6","1") = "6"
    & skf21("1","6","7","1","2","7","7","1") = "6"
    & skf21("1","6","7","1","3","1","1","1") = "6"
    & skf21("1","6","7","1","3","1","2","1") = "6"
    & skf21("1","6","7","1","3","1","3","1") = "6"
    & skf21("1","6","7","1","3","1","4","1") = "6"
    & skf21("1","6","7","1","3","1","5","1") = "6"
    & skf21("1","6","7","1","3","1","6","1") = "6"
    & skf21("1","6","7","1","3","1","7","1") = "6"
    & skf21("1","6","7","1","3","2","1","1") = "6"
    & skf21("1","6","7","1","3","2","2","1") = "6"
    & skf21("1","6","7","1","3","2","3","1") = "6"
    & skf21("1","6","7","1","3","2","4","1") = "6"
    & skf21("1","6","7","1","3","2","5","1") = "6"
    & skf21("1","6","7","1","3","2","6","1") = "6"
    & skf21("1","6","7","1","3","2","7","1") = "6"
    & skf21("1","6","7","1","3","3","1","1") = "6"
    & skf21("1","6","7","1","3","3","2","1") = "6"
    & skf21("1","6","7","1","3","3","3","1") = "6"
    & skf21("1","6","7","1","3","3","4","1") = "6"
    & skf21("1","6","7","1","3","3","5","1") = "6"
    & skf21("1","6","7","1","3","3","6","1") = "6"
    & skf21("1","6","7","1","3","3","7","1") = "6"
    & skf21("1","6","7","1","3","4","1","1") = "6"
    & skf21("1","6","7","1","3","4","2","1") = "6"
    & skf21("1","6","7","1","3","4","3","1") = "6"
    & skf21("1","6","7","1","3","4","4","1") = "6"
    & skf21("1","6","7","1","3","4","5","1") = "6"
    & skf21("1","6","7","1","3","4","6","1") = "6"
    & skf21("1","6","7","1","3","4","7","1") = "6"
    & skf21("1","6","7","1","3","5","1","1") = "6"
    & skf21("1","6","7","1","3","5","2","1") = "6"
    & skf21("1","6","7","1","3","5","3","1") = "6"
    & skf21("1","6","7","1","3","5","4","1") = "6"
    & skf21("1","6","7","1","3","5","5","1") = "6"
    & skf21("1","6","7","1","3","5","6","1") = "6"
    & skf21("1","6","7","1","3","5","7","1") = "6"
    & skf21("1","6","7","1","3","6","1","1") = "6"
    & skf21("1","6","7","1","3","6","2","1") = "6"
    & skf21("1","6","7","1","3","6","3","1") = "6"
    & skf21("1","6","7","1","3","6","4","1") = "6"
    & skf21("1","6","7","1","3","6","5","1") = "6"
    & skf21("1","6","7","1","3","6","6","1") = "6"
    & skf21("1","6","7","1","3","6","7","1") = "6"
    & skf21("1","6","7","1","3","7","1","1") = "6"
    & skf21("1","6","7","1","3","7","2","1") = "6"
    & skf21("1","6","7","1","3","7","3","1") = "6"
    & skf21("1","6","7","1","3","7","4","1") = "6"
    & skf21("1","6","7","1","3","7","5","1") = "6"
    & skf21("1","6","7","1","3","7","6","1") = "6"
    & skf21("1","6","7","1","3","7","7","1") = "6"
    & skf21("1","6","7","1","4","1","1","1") = "6"
    & skf21("1","6","7","1","4","1","2","1") = "6"
    & skf21("1","6","7","1","4","1","3","1") = "6"
    & skf21("1","6","7","1","4","1","4","1") = "6"
    & skf21("1","6","7","1","4","1","5","1") = "6"
    & skf21("1","6","7","1","4","1","6","1") = "6"
    & skf21("1","6","7","1","4","1","7","1") = "6"
    & skf21("1","6","7","1","4","2","1","1") = "6"
    & skf21("1","6","7","1","4","2","2","1") = "6"
    & skf21("1","6","7","1","4","2","3","1") = "6"
    & skf21("1","6","7","1","4","2","4","1") = "6"
    & skf21("1","6","7","1","4","2","5","1") = "6"
    & skf21("1","6","7","1","4","2","6","1") = "6"
    & skf21("1","6","7","1","4","2","7","1") = "6"
    & skf21("1","6","7","1","4","3","1","1") = "6"
    & skf21("1","6","7","1","4","3","2","1") = "6"
    & skf21("1","6","7","1","4","3","3","1") = "6"
    & skf21("1","6","7","1","4","3","4","1") = "6"
    & skf21("1","6","7","1","4","3","5","1") = "6"
    & skf21("1","6","7","1","4","3","6","1") = "6"
    & skf21("1","6","7","1","4","3","7","1") = "6"
    & skf21("1","6","7","1","4","4","1","1") = "6"
    & skf21("1","6","7","1","4","4","2","1") = "6"
    & skf21("1","6","7","1","4","4","3","1") = "6"
    & skf21("1","6","7","1","4","4","4","1") = "6"
    & skf21("1","6","7","1","4","4","5","1") = "6"
    & skf21("1","6","7","1","4","4","6","1") = "6"
    & skf21("1","6","7","1","4","4","7","1") = "6"
    & skf21("1","6","7","1","4","5","1","1") = "6"
    & skf21("1","6","7","1","4","5","2","1") = "6"
    & skf21("1","6","7","1","4","5","3","1") = "6"
    & skf21("1","6","7","1","4","5","4","1") = "6"
    & skf21("1","6","7","1","4","5","5","1") = "6"
    & skf21("1","6","7","1","4","5","6","1") = "6"
    & skf21("1","6","7","1","4","5","7","1") = "6"
    & skf21("1","6","7","1","4","6","1","1") = "6"
    & skf21("1","6","7","1","4","6","2","1") = "6"
    & skf21("1","6","7","1","4","6","3","1") = "6"
    & skf21("1","6","7","1","4","6","4","1") = "6"
    & skf21("1","6","7","1","4","6","5","1") = "6"
    & skf21("1","6","7","1","4","6","6","1") = "6"
    & skf21("1","6","7","1","4","6","7","1") = "6"
    & skf21("1","6","7","1","4","7","1","1") = "6"
    & skf21("1","6","7","1","4","7","2","1") = "6"
    & skf21("1","6","7","1","4","7","3","1") = "6"
    & skf21("1","6","7","1","4","7","4","1") = "6"
    & skf21("1","6","7","1","4","7","5","1") = "6"
    & skf21("1","6","7","1","4","7","6","1") = "6"
    & skf21("1","6","7","1","4","7","7","1") = "6"
    & skf21("1","6","7","1","5","1","1","1") = "6"
    & skf21("1","6","7","1","5","1","2","1") = "6"
    & skf21("1","6","7","1","5","1","3","1") = "6"
    & skf21("1","6","7","1","5","1","4","1") = "6"
    & skf21("1","6","7","1","5","1","5","1") = "6"
    & skf21("1","6","7","1","5","1","6","1") = "6"
    & skf21("1","6","7","1","5","1","7","1") = "6"
    & skf21("1","6","7","1","5","2","1","1") = "6"
    & skf21("1","6","7","1","5","2","2","1") = "6"
    & skf21("1","6","7","1","5","2","3","1") = "6"
    & skf21("1","6","7","1","5","2","4","1") = "6"
    & skf21("1","6","7","1","5","2","5","1") = "6"
    & skf21("1","6","7","1","5","2","6","1") = "6"
    & skf21("1","6","7","1","5","2","7","1") = "6"
    & skf21("1","6","7","1","5","3","1","1") = "6"
    & skf21("1","6","7","1","5","3","2","1") = "6"
    & skf21("1","6","7","1","5","3","3","1") = "6"
    & skf21("1","6","7","1","5","3","4","1") = "6"
    & skf21("1","6","7","1","5","3","5","1") = "6"
    & skf21("1","6","7","1","5","3","6","1") = "6"
    & skf21("1","6","7","1","5","3","7","1") = "6"
    & skf21("1","6","7","1","5","4","1","1") = "6"
    & skf21("1","6","7","1","5","4","2","1") = "6"
    & skf21("1","6","7","1","5","4","3","1") = "6"
    & skf21("1","6","7","1","5","4","4","1") = "6"
    & skf21("1","6","7","1","5","4","5","1") = "6"
    & skf21("1","6","7","1","5","4","6","1") = "6"
    & skf21("1","6","7","1","5","4","7","1") = "6"
    & skf21("1","6","7","1","5","5","1","1") = "6"
    & skf21("1","6","7","1","5","5","2","1") = "6"
    & skf21("1","6","7","1","5","5","3","1") = "6"
    & skf21("1","6","7","1","5","5","4","1") = "6"
    & skf21("1","6","7","1","5","5","5","1") = "6"
    & skf21("1","6","7","1","5","5","6","1") = "6"
    & skf21("1","6","7","1","5","5","7","1") = "6"
    & skf21("1","6","7","1","5","6","1","1") = "6"
    & skf21("1","6","7","1","5","6","2","1") = "6"
    & skf21("1","6","7","1","5","6","3","1") = "6"
    & skf21("1","6","7","1","5","6","4","1") = "6"
    & skf21("1","6","7","1","5","6","5","1") = "6"
    & skf21("1","6","7","1","5","6","6","1") = "6"
    & skf21("1","6","7","1","5","6","7","1") = "6"
    & skf21("1","6","7","1","5","7","1","1") = "6"
    & skf21("1","6","7","1","5","7","2","1") = "6"
    & skf21("1","6","7","1","5","7","3","1") = "6"
    & skf21("1","6","7","1","5","7","4","1") = "6"
    & skf21("1","6","7","1","5","7","5","1") = "6"
    & skf21("1","6","7","1","5","7","6","1") = "6"
    & skf21("1","6","7","1","5","7","7","1") = "6"
    & skf21("1","6","7","1","6","1","1","1") = "6"
    & skf21("1","6","7","1","6","1","2","1") = "6"
    & skf21("1","6","7","1","6","1","3","1") = "6"
    & skf21("1","6","7","1","6","1","4","1") = "6"
    & skf21("1","6","7","1","6","1","5","1") = "6"
    & skf21("1","6","7","1","6","1","6","1") = "6"
    & skf21("1","6","7","1","6","1","7","1") = "6"
    & skf21("1","6","7","1","6","2","1","1") = "6"
    & skf21("1","6","7","1","6","2","2","1") = "6"
    & skf21("1","6","7","1","6","2","3","1") = "6"
    & skf21("1","6","7","1","6","2","4","1") = "6"
    & skf21("1","6","7","1","6","2","5","1") = "6"
    & skf21("1","6","7","1","6","2","6","1") = "6"
    & skf21("1","6","7","1","6","2","7","1") = "6"
    & skf21("1","6","7","1","6","3","1","1") = "6"
    & skf21("1","6","7","1","6","3","2","1") = "6"
    & skf21("1","6","7","1","6","3","3","1") = "6"
    & skf21("1","6","7","1","6","3","4","1") = "6"
    & skf21("1","6","7","1","6","3","5","1") = "6"
    & skf21("1","6","7","1","6","3","6","1") = "6"
    & skf21("1","6","7","1","6","3","7","1") = "6"
    & skf21("1","6","7","1","6","4","1","1") = "6"
    & skf21("1","6","7","1","6","4","2","1") = "6"
    & skf21("1","6","7","1","6","4","3","1") = "6"
    & skf21("1","6","7","1","6","4","4","1") = "6"
    & skf21("1","6","7","1","6","4","5","1") = "6"
    & skf21("1","6","7","1","6","4","6","1") = "6"
    & skf21("1","6","7","1","6","4","7","1") = "6"
    & skf21("1","6","7","1","6","5","1","1") = "6"
    & skf21("1","6","7","1","6","5","2","1") = "6"
    & skf21("1","6","7","1","6","5","3","1") = "6"
    & skf21("1","6","7","1","6","5","4","1") = "6"
    & skf21("1","6","7","1","6","5","5","1") = "6"
    & skf21("1","6","7","1","6","5","6","1") = "6"
    & skf21("1","6","7","1","6","5","7","1") = "6"
    & skf21("1","6","7","1","6","6","1","1") = "6"
    & skf21("1","6","7","1","6","6","2","1") = "6"
    & skf21("1","6","7","1","6","6","3","1") = "6"
    & skf21("1","6","7","1","6","6","4","1") = "6"
    & skf21("1","6","7","1","6","6","5","1") = "6"
    & skf21("1","6","7","1","6","6","6","1") = "6"
    & skf21("1","6","7","1","6","6","7","1") = "6"
    & skf21("1","6","7","1","6","7","1","1") = "6"
    & skf21("1","6","7","1","6","7","2","1") = "6"
    & skf21("1","6","7","1","6","7","3","1") = "6"
    & skf21("1","6","7","1","6","7","4","1") = "6"
    & skf21("1","6","7","1","6","7","5","1") = "6"
    & skf21("1","6","7","1","6","7","6","1") = "6"
    & skf21("1","6","7","1","6","7","7","1") = "6"
    & skf21("1","6","7","1","7","1","1","1") = "6"
    & skf21("1","6","7","1","7","1","2","1") = "6"
    & skf21("1","6","7","1","7","1","3","1") = "6"
    & skf21("1","6","7","1","7","1","4","1") = "6"
    & skf21("1","6","7","1","7","1","5","1") = "6"
    & skf21("1","6","7","1","7","1","6","1") = "6"
    & skf21("1","6","7","1","7","1","7","1") = "6"
    & skf21("1","6","7","1","7","2","1","1") = "6"
    & skf21("1","6","7","1","7","2","2","1") = "6"
    & skf21("1","6","7","1","7","2","3","1") = "6"
    & skf21("1","6","7","1","7","2","4","1") = "6"
    & skf21("1","6","7","1","7","2","5","1") = "6"
    & skf21("1","6","7","1","7","2","6","1") = "6"
    & skf21("1","6","7","1","7","2","7","1") = "6"
    & skf21("1","6","7","1","7","3","1","1") = "6"
    & skf21("1","6","7","1","7","3","2","1") = "6"
    & skf21("1","6","7","1","7","3","3","1") = "6"
    & skf21("1","6","7","1","7","3","4","1") = "6"
    & skf21("1","6","7","1","7","3","5","1") = "6"
    & skf21("1","6","7","1","7","3","6","1") = "6"
    & skf21("1","6","7","1","7","3","7","1") = "6"
    & skf21("1","6","7","1","7","4","1","1") = "6"
    & skf21("1","6","7","1","7","4","2","1") = "6"
    & skf21("1","6","7","1","7","4","3","1") = "6"
    & skf21("1","6","7","1","7","4","4","1") = "6"
    & skf21("1","6","7","1","7","4","5","1") = "6"
    & skf21("1","6","7","1","7","4","6","1") = "6"
    & skf21("1","6","7","1","7","4","7","1") = "6"
    & skf21("1","6","7","1","7","5","1","1") = "6"
    & skf21("1","6","7","1","7","5","2","1") = "6"
    & skf21("1","6","7","1","7","5","3","1") = "6"
    & skf21("1","6","7","1","7","5","4","1") = "6"
    & skf21("1","6","7","1","7","5","5","1") = "6"
    & skf21("1","6","7","1","7","5","6","1") = "6"
    & skf21("1","6","7","1","7","5","7","1") = "6"
    & skf21("1","6","7","1","7","6","1","1") = "6"
    & skf21("1","6","7","1","7","6","2","1") = "6"
    & skf21("1","6","7","1","7","6","3","1") = "6"
    & skf21("1","6","7","1","7","6","4","1") = "6"
    & skf21("1","6","7","1","7","6","5","1") = "6"
    & skf21("1","6","7","1","7","6","6","1") = "6"
    & skf21("1","6","7","1","7","6","7","1") = "6"
    & skf21("1","6","7","1","7","7","1","1") = "6"
    & skf21("1","6","7","1","7","7","2","1") = "6"
    & skf21("1","6","7","1","7","7","3","1") = "6"
    & skf21("1","6","7","1","7","7","4","1") = "6"
    & skf21("1","6","7","1","7","7","5","1") = "6"
    & skf21("1","6","7","1","7","7","6","1") = "6"
    & skf21("1","6","7","1","7","7","7","1") = "6"
    & skf21("1","6","7","2","1","1","1","1") = "6"
    & skf21("1","6","7","2","1","1","2","1") = "6"
    & skf21("1","6","7","2","1","1","3","1") = "6"
    & skf21("1","6","7","2","1","1","4","1") = "6"
    & skf21("1","6","7","2","1","1","5","1") = "6"
    & skf21("1","6","7","2","1","1","6","1") = "6"
    & skf21("1","6","7","2","1","1","7","1") = "6"
    & skf21("1","6","7","2","1","2","1","1") = "6"
    & skf21("1","6","7","2","1","2","2","1") = "6"
    & skf21("1","6","7","2","1","2","3","1") = "6"
    & skf21("1","6","7","2","1","2","4","1") = "6"
    & skf21("1","6","7","2","1","2","5","1") = "6"
    & skf21("1","6","7","2","1","2","6","1") = "6"
    & skf21("1","6","7","2","1","2","7","1") = "6"
    & skf21("1","6","7","2","1","3","1","1") = "6"
    & skf21("1","6","7","2","1","3","2","1") = "6"
    & skf21("1","6","7","2","1","3","3","1") = "6"
    & skf21("1","6","7","2","1","3","4","1") = "6"
    & skf21("1","6","7","2","1","3","5","1") = "6"
    & skf21("1","6","7","2","1","3","6","1") = "6"
    & skf21("1","6","7","2","1","3","7","1") = "6"
    & skf21("1","6","7","2","1","4","1","1") = "6"
    & skf21("1","6","7","2","1","4","2","1") = "6"
    & skf21("1","6","7","2","1","4","3","1") = "6"
    & skf21("1","6","7","2","1","4","4","1") = "6"
    & skf21("1","6","7","2","1","4","5","1") = "6"
    & skf21("1","6","7","2","1","4","6","1") = "6"
    & skf21("1","6","7","2","1","4","7","1") = "6"
    & skf21("1","6","7","2","1","5","1","1") = "6"
    & skf21("1","6","7","2","1","5","2","1") = "6"
    & skf21("1","6","7","2","1","5","3","1") = "6"
    & skf21("1","6","7","2","1","5","4","1") = "6"
    & skf21("1","6","7","2","1","5","5","1") = "6"
    & skf21("1","6","7","2","1","5","6","1") = "6"
    & skf21("1","6","7","2","1","5","7","1") = "6"
    & skf21("1","6","7","2","1","6","1","1") = "6"
    & skf21("1","6","7","2","1","6","2","1") = "6"
    & skf21("1","6","7","2","1","6","3","1") = "6"
    & skf21("1","6","7","2","1","6","4","1") = "6"
    & skf21("1","6","7","2","1","6","5","1") = "6"
    & skf21("1","6","7","2","1","6","6","1") = "6"
    & skf21("1","6","7","2","1","6","7","1") = "6"
    & skf21("1","6","7","2","1","7","1","1") = "6"
    & skf21("1","6","7","2","1","7","2","1") = "6"
    & skf21("1","6","7","2","1","7","3","1") = "6"
    & skf21("1","6","7","2","1","7","4","1") = "6"
    & skf21("1","6","7","2","1","7","5","1") = "6"
    & skf21("1","6","7","2","1","7","6","1") = "6"
    & skf21("1","6","7","2","1","7","7","1") = "6"
    & skf21("1","6","7","2","2","1","1","1") = "6"
    & skf21("1","6","7","2","2","1","2","1") = "6"
    & skf21("1","6","7","2","2","1","3","1") = "6"
    & skf21("1","6","7","2","2","1","4","1") = "6"
    & skf21("1","6","7","2","2","1","5","1") = "6"
    & skf21("1","6","7","2","2","1","6","1") = "6"
    & skf21("1","6","7","2","2","1","7","1") = "6"
    & skf21("1","6","7","2","2","2","1","1") = "6"
    & skf21("1","6","7","2","2","2","2","1") = "6"
    & skf21("1","6","7","2","2","2","3","1") = "6"
    & skf21("1","6","7","2","2","2","4","1") = "6"
    & skf21("1","6","7","2","2","2","5","1") = "6"
    & skf21("1","6","7","2","2","2","6","1") = "6"
    & skf21("1","6","7","2","2","2","7","1") = "6"
    & skf21("1","6","7","2","2","3","1","1") = "6"
    & skf21("1","6","7","2","2","3","2","1") = "6"
    & skf21("1","6","7","2","2","3","3","1") = "6"
    & skf21("1","6","7","2","2","3","4","1") = "6"
    & skf21("1","6","7","2","2","3","5","1") = "6"
    & skf21("1","6","7","2","2","3","6","1") = "6"
    & skf21("1","6","7","2","2","3","7","1") = "6"
    & skf21("1","6","7","2","2","4","1","1") = "6"
    & skf21("1","6","7","2","2","4","2","1") = "6"
    & skf21("1","6","7","2","2","4","3","1") = "6"
    & skf21("1","6","7","2","2","4","4","1") = "6"
    & skf21("1","6","7","2","2","4","5","1") = "6"
    & skf21("1","6","7","2","2","4","6","1") = "6"
    & skf21("1","6","7","2","2","4","7","1") = "6"
    & skf21("1","6","7","2","2","5","1","1") = "6"
    & skf21("1","6","7","2","2","5","2","1") = "6"
    & skf21("1","6","7","2","2","5","3","1") = "6"
    & skf21("1","6","7","2","2","5","4","1") = "6"
    & skf21("1","6","7","2","2","5","5","1") = "6"
    & skf21("1","6","7","2","2","5","6","1") = "6"
    & skf21("1","6","7","2","2","5","7","1") = "6"
    & skf21("1","6","7","2","2","6","1","1") = "6"
    & skf21("1","6","7","2","2","6","2","1") = "6"
    & skf21("1","6","7","2","2","6","3","1") = "6"
    & skf21("1","6","7","2","2","6","4","1") = "6"
    & skf21("1","6","7","2","2","6","5","1") = "6"
    & skf21("1","6","7","2","2","6","6","1") = "6"
    & skf21("1","6","7","2","2","6","7","1") = "6"
    & skf21("1","6","7","2","2","7","1","1") = "6"
    & skf21("1","6","7","2","2","7","2","1") = "6"
    & skf21("1","6","7","2","2","7","3","1") = "6"
    & skf21("1","6","7","2","2","7","4","1") = "6"
    & skf21("1","6","7","2","2","7","5","1") = "6"
    & skf21("1","6","7","2","2","7","6","1") = "6"
    & skf21("1","6","7","2","2","7","7","1") = "6"
    & skf21("1","6","7","2","3","1","1","1") = "6"
    & skf21("1","6","7","2","3","1","2","1") = "6"
    & skf21("1","6","7","2","3","1","3","1") = "6"
    & skf21("1","6","7","2","3","1","4","1") = "6"
    & skf21("1","6","7","2","3","1","5","1") = "6"
    & skf21("1","6","7","2","3","1","6","1") = "6"
    & skf21("1","6","7","2","3","1","7","1") = "6"
    & skf21("1","6","7","2","3","2","1","1") = "6"
    & skf21("1","6","7","2","3","2","2","1") = "6"
    & skf21("1","6","7","2","3","2","3","1") = "6"
    & skf21("1","6","7","2","3","2","4","1") = "6"
    & skf21("1","6","7","2","3","2","5","1") = "6"
    & skf21("1","6","7","2","3","2","6","1") = "6"
    & skf21("1","6","7","2","3","2","7","1") = "6"
    & skf21("1","6","7","2","3","3","1","1") = "6"
    & skf21("1","6","7","2","3","3","2","1") = "6"
    & skf21("1","6","7","2","3","3","3","1") = "6"
    & skf21("1","6","7","2","3","3","4","1") = "6"
    & skf21("1","6","7","2","3","3","5","1") = "6"
    & skf21("1","6","7","2","3","3","6","1") = "6"
    & skf21("1","6","7","2","3","3","7","1") = "6"
    & skf21("1","6","7","2","3","4","1","1") = "6"
    & skf21("1","6","7","2","3","4","2","1") = "6"
    & skf21("1","6","7","2","3","4","3","1") = "6"
    & skf21("1","6","7","2","3","4","4","1") = "6"
    & skf21("1","6","7","2","3","4","5","1") = "6"
    & skf21("1","6","7","2","3","4","6","1") = "6"
    & skf21("1","6","7","2","3","4","7","1") = "6"
    & skf21("1","6","7","2","3","5","1","1") = "6"
    & skf21("1","6","7","2","3","5","2","1") = "6"
    & skf21("1","6","7","2","3","5","3","1") = "6"
    & skf21("1","6","7","2","3","5","4","1") = "6"
    & skf21("1","6","7","2","3","5","5","1") = "6"
    & skf21("1","6","7","2","3","5","6","1") = "6"
    & skf21("1","6","7","2","3","5","7","1") = "6"
    & skf21("1","6","7","2","3","6","1","1") = "6"
    & skf21("1","6","7","2","3","6","2","1") = "6"
    & skf21("1","6","7","2","3","6","3","1") = "6"
    & skf21("1","6","7","2","3","6","4","1") = "6"
    & skf21("1","6","7","2","3","6","5","1") = "6"
    & skf21("1","6","7","2","3","6","6","1") = "6"
    & skf21("1","6","7","2","3","6","7","1") = "6"
    & skf21("1","6","7","2","3","7","1","1") = "6"
    & skf21("1","6","7","2","3","7","2","1") = "6"
    & skf21("1","6","7","2","3","7","3","1") = "6"
    & skf21("1","6","7","2","3","7","4","1") = "6"
    & skf21("1","6","7","2","3","7","5","1") = "6"
    & skf21("1","6","7","2","3","7","6","1") = "6"
    & skf21("1","6","7","2","3","7","7","1") = "6"
    & skf21("1","6","7","2","4","1","1","1") = "6"
    & skf21("1","6","7","2","4","1","2","1") = "6"
    & skf21("1","6","7","2","4","1","3","1") = "6"
    & skf21("1","6","7","2","4","1","4","1") = "6"
    & skf21("1","6","7","2","4","1","5","1") = "6"
    & skf21("1","6","7","2","4","1","6","1") = "6"
    & skf21("1","6","7","2","4","1","7","1") = "6"
    & skf21("1","6","7","2","4","2","1","1") = "6"
    & skf21("1","6","7","2","4","2","2","1") = "6"
    & skf21("1","6","7","2","4","2","3","1") = "6"
    & skf21("1","6","7","2","4","2","4","1") = "6"
    & skf21("1","6","7","2","4","2","5","1") = "6"
    & skf21("1","6","7","2","4","2","6","1") = "6"
    & skf21("1","6","7","2","4","2","7","1") = "6"
    & skf21("1","6","7","2","4","3","1","1") = "6"
    & skf21("1","6","7","2","4","3","2","1") = "6"
    & skf21("1","6","7","2","4","3","3","1") = "6"
    & skf21("1","6","7","2","4","3","4","1") = "6"
    & skf21("1","6","7","2","4","3","5","1") = "6"
    & skf21("1","6","7","2","4","3","6","1") = "6"
    & skf21("1","6","7","2","4","3","7","1") = "6"
    & skf21("1","6","7","2","4","4","1","1") = "6"
    & skf21("1","6","7","2","4","4","2","1") = "6"
    & skf21("1","6","7","2","4","4","3","1") = "6"
    & skf21("1","6","7","2","4","4","4","1") = "6"
    & skf21("1","6","7","2","4","4","5","1") = "6"
    & skf21("1","6","7","2","4","4","6","1") = "6"
    & skf21("1","6","7","2","4","4","7","1") = "6"
    & skf21("1","6","7","2","4","5","1","1") = "6"
    & skf21("1","6","7","2","4","5","2","1") = "6"
    & skf21("1","6","7","2","4","5","3","1") = "6"
    & skf21("1","6","7","2","4","5","4","1") = "6"
    & skf21("1","6","7","2","4","5","5","1") = "6"
    & skf21("1","6","7","2","4","5","6","1") = "6"
    & skf21("1","6","7","2","4","5","7","1") = "6"
    & skf21("1","6","7","2","4","6","1","1") = "6"
    & skf21("1","6","7","2","4","6","2","1") = "6"
    & skf21("1","6","7","2","4","6","3","1") = "6"
    & skf21("1","6","7","2","4","6","4","1") = "6"
    & skf21("1","6","7","2","4","6","5","1") = "6"
    & skf21("1","6","7","2","4","6","6","1") = "6"
    & skf21("1","6","7","2","4","6","7","1") = "6"
    & skf21("1","6","7","2","4","7","1","1") = "6"
    & skf21("1","6","7","2","4","7","2","1") = "6"
    & skf21("1","6","7","2","4","7","3","1") = "6"
    & skf21("1","6","7","2","4","7","4","1") = "6"
    & skf21("1","6","7","2","4","7","5","1") = "6"
    & skf21("1","6","7","2","4","7","6","1") = "6"
    & skf21("1","6","7","2","4","7","7","1") = "6"
    & skf21("1","6","7","2","5","1","1","1") = "6"
    & skf21("1","6","7","2","5","1","2","1") = "6"
    & skf21("1","6","7","2","5","1","3","1") = "6"
    & skf21("1","6","7","2","5","1","4","1") = "6"
    & skf21("1","6","7","2","5","1","5","1") = "6"
    & skf21("1","6","7","2","5","1","6","1") = "6"
    & skf21("1","6","7","2","5","1","7","1") = "6"
    & skf21("1","6","7","2","5","2","1","1") = "6"
    & skf21("1","6","7","2","5","2","2","1") = "6"
    & skf21("1","6","7","2","5","2","3","1") = "6"
    & skf21("1","6","7","2","5","2","4","1") = "6"
    & skf21("1","6","7","2","5","2","5","1") = "6"
    & skf21("1","6","7","2","5","2","6","1") = "6"
    & skf21("1","6","7","2","5","2","7","1") = "6"
    & skf21("1","6","7","2","5","3","1","1") = "6"
    & skf21("1","6","7","2","5","3","2","1") = "6"
    & skf21("1","6","7","2","5","3","3","1") = "6"
    & skf21("1","6","7","2","5","3","4","1") = "6"
    & skf21("1","6","7","2","5","3","5","1") = "6"
    & skf21("1","6","7","2","5","3","6","1") = "6"
    & skf21("1","6","7","2","5","3","7","1") = "6"
    & skf21("1","6","7","2","5","4","1","1") = "6"
    & skf21("1","6","7","2","5","4","2","1") = "6"
    & skf21("1","6","7","2","5","4","3","1") = "6"
    & skf21("1","6","7","2","5","4","4","1") = "6"
    & skf21("1","6","7","2","5","4","5","1") = "6"
    & skf21("1","6","7","2","5","4","6","1") = "6"
    & skf21("1","6","7","2","5","4","7","1") = "6"
    & skf21("1","6","7","2","5","5","1","1") = "6"
    & skf21("1","6","7","2","5","5","2","1") = "6"
    & skf21("1","6","7","2","5","5","3","1") = "6"
    & skf21("1","6","7","2","5","5","4","1") = "6"
    & skf21("1","6","7","2","5","5","5","1") = "6"
    & skf21("1","6","7","2","5","5","6","1") = "6"
    & skf21("1","6","7","2","5","5","7","1") = "6"
    & skf21("1","6","7","2","5","6","1","1") = "6"
    & skf21("1","6","7","2","5","6","2","1") = "6"
    & skf21("1","6","7","2","5","6","3","1") = "6"
    & skf21("1","6","7","2","5","6","4","1") = "6"
    & skf21("1","6","7","2","5","6","5","1") = "6"
    & skf21("1","6","7","2","5","6","6","1") = "6"
    & skf21("1","6","7","2","5","6","7","1") = "6"
    & skf21("1","6","7","2","5","7","1","1") = "6"
    & skf21("1","6","7","2","5","7","2","1") = "6"
    & skf21("1","6","7","2","5","7","3","1") = "6"
    & skf21("1","6","7","2","5","7","4","1") = "6"
    & skf21("1","6","7","2","5","7","5","1") = "6"
    & skf21("1","6","7","2","5","7","6","1") = "6"
    & skf21("1","6","7","2","5","7","7","1") = "6"
    & skf21("1","6","7","2","6","1","1","1") = "6"
    & skf21("1","6","7","2","6","1","2","1") = "6"
    & skf21("1","6","7","2","6","1","3","1") = "6"
    & skf21("1","6","7","2","6","1","4","1") = "6"
    & skf21("1","6","7","2","6","1","5","1") = "6"
    & skf21("1","6","7","2","6","1","6","1") = "6"
    & skf21("1","6","7","2","6","1","7","1") = "6"
    & skf21("1","6","7","2","6","2","1","1") = "6"
    & skf21("1","6","7","2","6","2","2","1") = "6"
    & skf21("1","6","7","2","6","2","3","1") = "6"
    & skf21("1","6","7","2","6","2","4","1") = "6"
    & skf21("1","6","7","2","6","2","5","1") = "6"
    & skf21("1","6","7","2","6","2","6","1") = "6"
    & skf21("1","6","7","2","6","2","7","1") = "6"
    & skf21("1","6","7","2","6","3","1","1") = "6"
    & skf21("1","6","7","2","6","3","2","1") = "6"
    & skf21("1","6","7","2","6","3","3","1") = "6"
    & skf21("1","6","7","2","6","3","4","1") = "6"
    & skf21("1","6","7","2","6","3","5","1") = "6"
    & skf21("1","6","7","2","6","3","6","1") = "6"
    & skf21("1","6","7","2","6","3","7","1") = "6"
    & skf21("1","6","7","2","6","4","1","1") = "6"
    & skf21("1","6","7","2","6","4","2","1") = "6"
    & skf21("1","6","7","2","6","4","3","1") = "6"
    & skf21("1","6","7","2","6","4","4","1") = "6"
    & skf21("1","6","7","2","6","4","5","1") = "6"
    & skf21("1","6","7","2","6","4","6","1") = "6"
    & skf21("1","6","7","2","6","4","7","1") = "6"
    & skf21("1","6","7","2","6","5","1","1") = "6"
    & skf21("1","6","7","2","6","5","2","1") = "6"
    & skf21("1","6","7","2","6","5","3","1") = "6"
    & skf21("1","6","7","2","6","5","4","1") = "6"
    & skf21("1","6","7","2","6","5","5","1") = "6"
    & skf21("1","6","7","2","6","5","6","1") = "6"
    & skf21("1","6","7","2","6","5","7","1") = "6"
    & skf21("1","6","7","2","6","6","1","1") = "6"
    & skf21("1","6","7","2","6","6","2","1") = "6"
    & skf21("1","6","7","2","6","6","3","1") = "6"
    & skf21("1","6","7","2","6","6","4","1") = "6"
    & skf21("1","6","7","2","6","6","5","1") = "6"
    & skf21("1","6","7","2","6","6","6","1") = "6"
    & skf21("1","6","7","2","6","6","7","1") = "6"
    & skf21("1","6","7","2","6","7","1","1") = "6"
    & skf21("1","6","7","2","6","7","2","1") = "6"
    & skf21("1","6","7","2","6","7","3","1") = "6"
    & skf21("1","6","7","2","6","7","4","1") = "6"
    & skf21("1","6","7","2","6","7","5","1") = "6"
    & skf21("1","6","7","2","6","7","6","1") = "6"
    & skf21("1","6","7","2","6","7","7","1") = "6"
    & skf21("1","6","7","2","7","1","1","1") = "6"
    & skf21("1","6","7","2","7","1","2","1") = "6"
    & skf21("1","6","7","2","7","1","3","1") = "6"
    & skf21("1","6","7","2","7","1","4","1") = "6"
    & skf21("1","6","7","2","7","1","5","1") = "6"
    & skf21("1","6","7","2","7","1","6","1") = "6"
    & skf21("1","6","7","2","7","1","7","1") = "6"
    & skf21("1","6","7","2","7","2","1","1") = "6"
    & skf21("1","6","7","2","7","2","2","1") = "6"
    & skf21("1","6","7","2","7","2","3","1") = "6"
    & skf21("1","6","7","2","7","2","4","1") = "6"
    & skf21("1","6","7","2","7","2","5","1") = "6"
    & skf21("1","6","7","2","7","2","6","1") = "6"
    & skf21("1","6","7","2","7","2","7","1") = "6"
    & skf21("1","6","7","2","7","3","1","1") = "6"
    & skf21("1","6","7","2","7","3","2","1") = "6"
    & skf21("1","6","7","2","7","3","3","1") = "6"
    & skf21("1","6","7","2","7","3","4","1") = "6"
    & skf21("1","6","7","2","7","3","5","1") = "6"
    & skf21("1","6","7","2","7","3","6","1") = "6"
    & skf21("1","6","7","2","7","3","7","1") = "6"
    & skf21("1","6","7","2","7","4","1","1") = "6"
    & skf21("1","6","7","2","7","4","2","1") = "6"
    & skf21("1","6","7","2","7","4","3","1") = "6"
    & skf21("1","6","7","2","7","4","4","1") = "6"
    & skf21("1","6","7","2","7","4","5","1") = "6"
    & skf21("1","6","7","2","7","4","6","1") = "6"
    & skf21("1","6","7","2","7","4","7","1") = "6"
    & skf21("1","6","7","2","7","5","1","1") = "6"
    & skf21("1","6","7","2","7","5","2","1") = "6"
    & skf21("1","6","7","2","7","5","3","1") = "6"
    & skf21("1","6","7","2","7","5","4","1") = "6"
    & skf21("1","6","7","2","7","5","5","1") = "6"
    & skf21("1","6","7","2","7","5","6","1") = "6"
    & skf21("1","6","7","2","7","5","7","1") = "6"
    & skf21("1","6","7","2","7","6","1","1") = "6"
    & skf21("1","6","7","2","7","6","2","1") = "6"
    & skf21("1","6","7","2","7","6","3","1") = "6"
    & skf21("1","6","7","2","7","6","4","1") = "6"
    & skf21("1","6","7","2","7","6","5","1") = "6"
    & skf21("1","6","7","2","7","6","6","1") = "6"
    & skf21("1","6","7","2","7","6","7","1") = "6"
    & skf21("1","6","7","2","7","7","1","1") = "6"
    & skf21("1","6","7","2","7","7","2","1") = "6"
    & skf21("1","6","7","2","7","7","3","1") = "6"
    & skf21("1","6","7","2","7","7","4","1") = "6"
    & skf21("1","6","7","2","7","7","5","1") = "6"
    & skf21("1","6","7","2","7","7","6","1") = "6"
    & skf21("1","6","7","2","7","7","7","1") = "6"
    & skf21("1","6","7","3","1","1","1","1") = "6"
    & skf21("1","6","7","3","1","1","2","1") = "6"
    & skf21("1","6","7","3","1","1","3","1") = "6"
    & skf21("1","6","7","3","1","1","4","1") = "6"
    & skf21("1","6","7","3","1","1","5","1") = "6"
    & skf21("1","6","7","3","1","1","6","1") = "6"
    & skf21("1","6","7","3","1","1","7","1") = "6"
    & skf21("1","6","7","3","1","2","1","1") = "6"
    & skf21("1","6","7","3","1","2","2","1") = "6"
    & skf21("1","6","7","3","1","2","3","1") = "6"
    & skf21("1","6","7","3","1","2","4","1") = "6"
    & skf21("1","6","7","3","1","2","5","1") = "6"
    & skf21("1","6","7","3","1","2","6","1") = "6"
    & skf21("1","6","7","3","1","2","7","1") = "6"
    & skf21("1","6","7","3","1","3","1","1") = "6"
    & skf21("1","6","7","3","1","3","2","1") = "6"
    & skf21("1","6","7","3","1","3","3","1") = "6"
    & skf21("1","6","7","3","1","3","4","1") = "6"
    & skf21("1","6","7","3","1","3","5","1") = "6"
    & skf21("1","6","7","3","1","3","6","1") = "6"
    & skf21("1","6","7","3","1","3","7","1") = "6"
    & skf21("1","6","7","3","1","4","1","1") = "6"
    & skf21("1","6","7","3","1","4","2","1") = "6"
    & skf21("1","6","7","3","1","4","3","1") = "6"
    & skf21("1","6","7","3","1","4","4","1") = "6"
    & skf21("1","6","7","3","1","4","5","1") = "6"
    & skf21("1","6","7","3","1","4","6","1") = "6"
    & skf21("1","6","7","3","1","4","7","1") = "6"
    & skf21("1","6","7","3","1","5","1","1") = "6"
    & skf21("1","6","7","3","1","5","2","1") = "6"
    & skf21("1","6","7","3","1","5","3","1") = "6"
    & skf21("1","6","7","3","1","5","4","1") = "6"
    & skf21("1","6","7","3","1","5","5","1") = "6"
    & skf21("1","6","7","3","1","5","6","1") = "6"
    & skf21("1","6","7","3","1","5","7","1") = "6"
    & skf21("1","6","7","3","1","6","1","1") = "6"
    & skf21("1","6","7","3","1","6","2","1") = "6"
    & skf21("1","6","7","3","1","6","3","1") = "6"
    & skf21("1","6","7","3","1","6","4","1") = "6"
    & skf21("1","6","7","3","1","6","5","1") = "6"
    & skf21("1","6","7","3","1","6","6","1") = "6"
    & skf21("1","6","7","3","1","6","7","1") = "6"
    & skf21("1","6","7","3","1","7","1","1") = "6"
    & skf21("1","6","7","3","1","7","2","1") = "6"
    & skf21("1","6","7","3","1","7","3","1") = "6"
    & skf21("1","6","7","3","1","7","4","1") = "6"
    & skf21("1","6","7","3","1","7","5","1") = "6"
    & skf21("1","6","7","3","1","7","6","1") = "6"
    & skf21("1","6","7","3","1","7","7","1") = "6"
    & skf21("1","6","7","3","2","1","1","1") = "6"
    & skf21("1","6","7","3","2","1","2","1") = "6"
    & skf21("1","6","7","3","2","1","3","1") = "6"
    & skf21("1","6","7","3","2","1","4","1") = "6"
    & skf21("1","6","7","3","2","1","5","1") = "6"
    & skf21("1","6","7","3","2","1","6","1") = "6"
    & skf21("1","6","7","3","2","1","7","1") = "6"
    & skf21("1","6","7","3","2","2","1","1") = "6"
    & skf21("1","6","7","3","2","2","2","1") = "6"
    & skf21("1","6","7","3","2","2","3","1") = "6"
    & skf21("1","6","7","3","2","2","4","1") = "6"
    & skf21("1","6","7","3","2","2","5","1") = "6"
    & skf21("1","6","7","3","2","2","6","1") = "6"
    & skf21("1","6","7","3","2","2","7","1") = "6"
    & skf21("1","6","7","3","2","3","1","1") = "6"
    & skf21("1","6","7","3","2","3","2","1") = "6"
    & skf21("1","6","7","3","2","3","3","1") = "6"
    & skf21("1","6","7","3","2","3","4","1") = "6"
    & skf21("1","6","7","3","2","3","5","1") = "6"
    & skf21("1","6","7","3","2","3","6","1") = "6"
    & skf21("1","6","7","3","2","3","7","1") = "6"
    & skf21("1","6","7","3","2","4","1","1") = "6"
    & skf21("1","6","7","3","2","4","2","1") = "6"
    & skf21("1","6","7","3","2","4","3","1") = "6"
    & skf21("1","6","7","3","2","4","4","1") = "6"
    & skf21("1","6","7","3","2","4","5","1") = "6"
    & skf21("1","6","7","3","2","4","6","1") = "6"
    & skf21("1","6","7","3","2","4","7","1") = "6"
    & skf21("1","6","7","3","2","5","1","1") = "6"
    & skf21("1","6","7","3","2","5","2","1") = "6"
    & skf21("1","6","7","3","2","5","3","1") = "6"
    & skf21("1","6","7","3","2","5","4","1") = "6"
    & skf21("1","6","7","3","2","5","5","1") = "6"
    & skf21("1","6","7","3","2","5","6","1") = "6"
    & skf21("1","6","7","3","2","5","7","1") = "6"
    & skf21("1","6","7","3","2","6","1","1") = "6"
    & skf21("1","6","7","3","2","6","2","1") = "6"
    & skf21("1","6","7","3","2","6","3","1") = "6"
    & skf21("1","6","7","3","2","6","4","1") = "6"
    & skf21("1","6","7","3","2","6","5","1") = "6"
    & skf21("1","6","7","3","2","6","6","1") = "6"
    & skf21("1","6","7","3","2","6","7","1") = "6"
    & skf21("1","6","7","3","2","7","1","1") = "6"
    & skf21("1","6","7","3","2","7","2","1") = "6"
    & skf21("1","6","7","3","2","7","3","1") = "6"
    & skf21("1","6","7","3","2","7","4","1") = "6"
    & skf21("1","6","7","3","2","7","5","1") = "6"
    & skf21("1","6","7","3","2","7","6","1") = "6"
    & skf21("1","6","7","3","2","7","7","1") = "6"
    & skf21("1","6","7","3","3","1","1","1") = "6"
    & skf21("1","6","7","3","3","1","2","1") = "6"
    & skf21("1","6","7","3","3","1","3","1") = "6"
    & skf21("1","6","7","3","3","1","4","1") = "6"
    & skf21("1","6","7","3","3","1","5","1") = "6"
    & skf21("1","6","7","3","3","1","6","1") = "6"
    & skf21("1","6","7","3","3","1","7","1") = "6"
    & skf21("1","6","7","3","3","2","1","1") = "6"
    & skf21("1","6","7","3","3","2","2","1") = "6"
    & skf21("1","6","7","3","3","2","3","1") = "6"
    & skf21("1","6","7","3","3","2","4","1") = "6"
    & skf21("1","6","7","3","3","2","5","1") = "6"
    & skf21("1","6","7","3","3","2","6","1") = "6"
    & skf21("1","6","7","3","3","2","7","1") = "6"
    & skf21("1","6","7","3","3","3","1","1") = "6"
    & skf21("1","6","7","3","3","3","2","1") = "6"
    & skf21("1","6","7","3","3","3","3","1") = "6"
    & skf21("1","6","7","3","3","3","4","1") = "6"
    & skf21("1","6","7","3","3","3","5","1") = "6"
    & skf21("1","6","7","3","3","3","6","1") = "6"
    & skf21("1","6","7","3","3","3","7","1") = "6"
    & skf21("1","6","7","3","3","4","1","1") = "6"
    & skf21("1","6","7","3","3","4","2","1") = "6"
    & skf21("1","6","7","3","3","4","3","1") = "6"
    & skf21("1","6","7","3","3","4","4","1") = "6"
    & skf21("1","6","7","3","3","4","5","1") = "6"
    & skf21("1","6","7","3","3","4","6","1") = "6"
    & skf21("1","6","7","3","3","4","7","1") = "6"
    & skf21("1","6","7","3","3","5","1","1") = "6"
    & skf21("1","6","7","3","3","5","2","1") = "6"
    & skf21("1","6","7","3","3","5","3","1") = "6"
    & skf21("1","6","7","3","3","5","4","1") = "6"
    & skf21("1","6","7","3","3","5","5","1") = "6"
    & skf21("1","6","7","3","3","5","6","1") = "6"
    & skf21("1","6","7","3","3","5","7","1") = "6"
    & skf21("1","6","7","3","3","6","1","1") = "6"
    & skf21("1","6","7","3","3","6","2","1") = "6"
    & skf21("1","6","7","3","3","6","3","1") = "6"
    & skf21("1","6","7","3","3","6","4","1") = "6"
    & skf21("1","6","7","3","3","6","5","1") = "6"
    & skf21("1","6","7","3","3","6","6","1") = "6"
    & skf21("1","6","7","3","3","6","7","1") = "6"
    & skf21("1","6","7","3","3","7","1","1") = "6"
    & skf21("1","6","7","3","3","7","2","1") = "6"
    & skf21("1","6","7","3","3","7","3","1") = "6"
    & skf21("1","6","7","3","3","7","4","1") = "6"
    & skf21("1","6","7","3","3","7","5","1") = "6"
    & skf21("1","6","7","3","3","7","6","1") = "6"
    & skf21("1","6","7","3","3","7","7","1") = "6"
    & skf21("1","6","7","3","4","1","1","1") = "6"
    & skf21("1","6","7","3","4","1","2","1") = "6"
    & skf21("1","6","7","3","4","1","3","1") = "6"
    & skf21("1","6","7","3","4","1","4","1") = "6"
    & skf21("1","6","7","3","4","1","5","1") = "6"
    & skf21("1","6","7","3","4","1","6","1") = "6"
    & skf21("1","6","7","3","4","1","7","1") = "6"
    & skf21("1","6","7","3","4","2","1","1") = "6"
    & skf21("1","6","7","3","4","2","2","1") = "6"
    & skf21("1","6","7","3","4","2","3","1") = "6"
    & skf21("1","6","7","3","4","2","4","1") = "6"
    & skf21("1","6","7","3","4","2","5","1") = "6"
    & skf21("1","6","7","3","4","2","6","1") = "6"
    & skf21("1","6","7","3","4","2","7","1") = "6"
    & skf21("1","6","7","3","4","3","1","1") = "6"
    & skf21("1","6","7","3","4","3","2","1") = "6"
    & skf21("1","6","7","3","4","3","3","1") = "6"
    & skf21("1","6","7","3","4","3","4","1") = "6"
    & skf21("1","6","7","3","4","3","5","1") = "6"
    & skf21("1","6","7","3","4","3","6","1") = "6"
    & skf21("1","6","7","3","4","3","7","1") = "6"
    & skf21("1","6","7","3","4","4","1","1") = "6"
    & skf21("1","6","7","3","4","4","2","1") = "6"
    & skf21("1","6","7","3","4","4","3","1") = "6"
    & skf21("1","6","7","3","4","4","4","1") = "6"
    & skf21("1","6","7","3","4","4","5","1") = "6"
    & skf21("1","6","7","3","4","4","6","1") = "6"
    & skf21("1","6","7","3","4","4","7","1") = "6"
    & skf21("1","6","7","3","4","5","1","1") = "6"
    & skf21("1","6","7","3","4","5","2","1") = "6"
    & skf21("1","6","7","3","4","5","3","1") = "6"
    & skf21("1","6","7","3","4","5","4","1") = "6"
    & skf21("1","6","7","3","4","5","5","1") = "6"
    & skf21("1","6","7","3","4","5","6","1") = "6"
    & skf21("1","6","7","3","4","5","7","1") = "6"
    & skf21("1","6","7","3","4","6","1","1") = "6"
    & skf21("1","6","7","3","4","6","2","1") = "6"
    & skf21("1","6","7","3","4","6","3","1") = "6"
    & skf21("1","6","7","3","4","6","4","1") = "6"
    & skf21("1","6","7","3","4","6","5","1") = "6"
    & skf21("1","6","7","3","4","6","6","1") = "6"
    & skf21("1","6","7","3","4","6","7","1") = "6"
    & skf21("1","6","7","3","4","7","1","1") = "6"
    & skf21("1","6","7","3","4","7","2","1") = "6"
    & skf21("1","6","7","3","4","7","3","1") = "6"
    & skf21("1","6","7","3","4","7","4","1") = "6"
    & skf21("1","6","7","3","4","7","5","1") = "6"
    & skf21("1","6","7","3","4","7","6","1") = "6"
    & skf21("1","6","7","3","4","7","7","1") = "6"
    & skf21("1","6","7","3","5","1","1","1") = "6"
    & skf21("1","6","7","3","5","1","2","1") = "6"
    & skf21("1","6","7","3","5","1","3","1") = "6"
    & skf21("1","6","7","3","5","1","4","1") = "6"
    & skf21("1","6","7","3","5","1","5","1") = "6"
    & skf21("1","6","7","3","5","1","6","1") = "6"
    & skf21("1","6","7","3","5","1","7","1") = "6"
    & skf21("1","6","7","3","5","2","1","1") = "6"
    & skf21("1","6","7","3","5","2","2","1") = "6"
    & skf21("1","6","7","3","5","2","3","1") = "6"
    & skf21("1","6","7","3","5","2","4","1") = "6"
    & skf21("1","6","7","3","5","2","5","1") = "6"
    & skf21("1","6","7","3","5","2","6","1") = "6"
    & skf21("1","6","7","3","5","2","7","1") = "6"
    & skf21("1","6","7","3","5","3","1","1") = "6"
    & skf21("1","6","7","3","5","3","2","1") = "6"
    & skf21("1","6","7","3","5","3","3","1") = "6"
    & skf21("1","6","7","3","5","3","4","1") = "6"
    & skf21("1","6","7","3","5","3","5","1") = "6"
    & skf21("1","6","7","3","5","3","6","1") = "6"
    & skf21("1","6","7","3","5","3","7","1") = "6"
    & skf21("1","6","7","3","5","4","1","1") = "6"
    & skf21("1","6","7","3","5","4","2","1") = "6"
    & skf21("1","6","7","3","5","4","3","1") = "6"
    & skf21("1","6","7","3","5","4","4","1") = "6"
    & skf21("1","6","7","3","5","4","5","1") = "6"
    & skf21("1","6","7","3","5","4","6","1") = "6"
    & skf21("1","6","7","3","5","4","7","1") = "6"
    & skf21("1","6","7","3","5","5","1","1") = "6"
    & skf21("1","6","7","3","5","5","2","1") = "6"
    & skf21("1","6","7","3","5","5","3","1") = "6"
    & skf21("1","6","7","3","5","5","4","1") = "6"
    & skf21("1","6","7","3","5","5","5","1") = "6"
    & skf21("1","6","7","3","5","5","6","1") = "6"
    & skf21("1","6","7","3","5","5","7","1") = "6"
    & skf21("1","6","7","3","5","6","1","1") = "6"
    & skf21("1","6","7","3","5","6","2","1") = "6"
    & skf21("1","6","7","3","5","6","3","1") = "6"
    & skf21("1","6","7","3","5","6","4","1") = "6"
    & skf21("1","6","7","3","5","6","5","1") = "6"
    & skf21("1","6","7","3","5","6","6","1") = "6"
    & skf21("1","6","7","3","5","6","7","1") = "6"
    & skf21("1","6","7","3","5","7","1","1") = "6"
    & skf21("1","6","7","3","5","7","2","1") = "6"
    & skf21("1","6","7","3","5","7","3","1") = "6"
    & skf21("1","6","7","3","5","7","4","1") = "6"
    & skf21("1","6","7","3","5","7","5","1") = "6"
    & skf21("1","6","7","3","5","7","6","1") = "6"
    & skf21("1","6","7","3","5","7","7","1") = "6"
    & skf21("1","6","7","3","6","1","1","1") = "6"
    & skf21("1","6","7","3","6","1","2","1") = "6"
    & skf21("1","6","7","3","6","1","3","1") = "6"
    & skf21("1","6","7","3","6","1","4","1") = "6"
    & skf21("1","6","7","3","6","1","5","1") = "6"
    & skf21("1","6","7","3","6","1","6","1") = "6"
    & skf21("1","6","7","3","6","1","7","1") = "6"
    & skf21("1","6","7","3","6","2","1","1") = "6"
    & skf21("1","6","7","3","6","2","2","1") = "6"
    & skf21("1","6","7","3","6","2","3","1") = "6"
    & skf21("1","6","7","3","6","2","4","1") = "6"
    & skf21("1","6","7","3","6","2","5","1") = "6"
    & skf21("1","6","7","3","6","2","6","1") = "6"
    & skf21("1","6","7","3","6","2","7","1") = "6"
    & skf21("1","6","7","3","6","3","1","1") = "6"
    & skf21("1","6","7","3","6","3","2","1") = "6"
    & skf21("1","6","7","3","6","3","3","1") = "6"
    & skf21("1","6","7","3","6","3","4","1") = "6"
    & skf21("1","6","7","3","6","3","5","1") = "6"
    & skf21("1","6","7","3","6","3","6","1") = "6"
    & skf21("1","6","7","3","6","3","7","1") = "6"
    & skf21("1","6","7","3","6","4","1","1") = "6"
    & skf21("1","6","7","3","6","4","2","1") = "6"
    & skf21("1","6","7","3","6","4","3","1") = "6"
    & skf21("1","6","7","3","6","4","4","1") = "6"
    & skf21("1","6","7","3","6","4","5","1") = "6"
    & skf21("1","6","7","3","6","4","6","1") = "6"
    & skf21("1","6","7","3","6","4","7","1") = "6"
    & skf21("1","6","7","3","6","5","1","1") = "6"
    & skf21("1","6","7","3","6","5","2","1") = "6"
    & skf21("1","6","7","3","6","5","3","1") = "6"
    & skf21("1","6","7","3","6","5","4","1") = "6"
    & skf21("1","6","7","3","6","5","5","1") = "6"
    & skf21("1","6","7","3","6","5","6","1") = "6"
    & skf21("1","6","7","3","6","5","7","1") = "6"
    & skf21("1","6","7","3","6","6","1","1") = "6"
    & skf21("1","6","7","3","6","6","2","1") = "6"
    & skf21("1","6","7","3","6","6","3","1") = "6"
    & skf21("1","6","7","3","6","6","4","1") = "6"
    & skf21("1","6","7","3","6","6","5","1") = "6"
    & skf21("1","6","7","3","6","6","6","1") = "6"
    & skf21("1","6","7","3","6","6","7","1") = "6"
    & skf21("1","6","7","3","6","7","1","1") = "6"
    & skf21("1","6","7","3","6","7","2","1") = "6"
    & skf21("1","6","7","3","6","7","3","1") = "6"
    & skf21("1","6","7","3","6","7","4","1") = "6"
    & skf21("1","6","7","3","6","7","5","1") = "6"
    & skf21("1","6","7","3","6","7","6","1") = "6"
    & skf21("1","6","7","3","6","7","7","1") = "6"
    & skf21("1","6","7","3","7","1","1","1") = "6"
    & skf21("1","6","7","3","7","1","2","1") = "6"
    & skf21("1","6","7","3","7","1","3","1") = "6"
    & skf21("1","6","7","3","7","1","4","1") = "6"
    & skf21("1","6","7","3","7","1","5","1") = "6"
    & skf21("1","6","7","3","7","1","6","1") = "6"
    & skf21("1","6","7","3","7","1","7","1") = "6"
    & skf21("1","6","7","3","7","2","1","1") = "6"
    & skf21("1","6","7","3","7","2","2","1") = "6"
    & skf21("1","6","7","3","7","2","3","1") = "6"
    & skf21("1","6","7","3","7","2","4","1") = "6"
    & skf21("1","6","7","3","7","2","5","1") = "6"
    & skf21("1","6","7","3","7","2","6","1") = "6"
    & skf21("1","6","7","3","7","2","7","1") = "6"
    & skf21("1","6","7","3","7","3","1","1") = "6"
    & skf21("1","6","7","3","7","3","2","1") = "6"
    & skf21("1","6","7","3","7","3","3","1") = "6"
    & skf21("1","6","7","3","7","3","4","1") = "6"
    & skf21("1","6","7","3","7","3","5","1") = "6"
    & skf21("1","6","7","3","7","3","6","1") = "6"
    & skf21("1","6","7","3","7","3","7","1") = "6"
    & skf21("1","6","7","3","7","4","1","1") = "6"
    & skf21("1","6","7","3","7","4","2","1") = "6"
    & skf21("1","6","7","3","7","4","3","1") = "6"
    & skf21("1","6","7","3","7","4","4","1") = "6"
    & skf21("1","6","7","3","7","4","5","1") = "6"
    & skf21("1","6","7","3","7","4","6","1") = "6"
    & skf21("1","6","7","3","7","4","7","1") = "6"
    & skf21("1","6","7","3","7","5","1","1") = "6"
    & skf21("1","6","7","3","7","5","2","1") = "6"
    & skf21("1","6","7","3","7","5","3","1") = "6"
    & skf21("1","6","7","3","7","5","4","1") = "6"
    & skf21("1","6","7","3","7","5","5","1") = "6"
    & skf21("1","6","7","3","7","5","6","1") = "6"
    & skf21("1","6","7","3","7","5","7","1") = "6"
    & skf21("1","6","7","3","7","6","1","1") = "6"
    & skf21("1","6","7","3","7","6","2","1") = "6"
    & skf21("1","6","7","3","7","6","3","1") = "6"
    & skf21("1","6","7","3","7","6","4","1") = "6"
    & skf21("1","6","7","3","7","6","5","1") = "6"
    & skf21("1","6","7","3","7","6","6","1") = "6"
    & skf21("1","6","7","3","7","6","7","1") = "6"
    & skf21("1","6","7","3","7","7","1","1") = "6"
    & skf21("1","6","7","3","7","7","2","1") = "6"
    & skf21("1","6","7","3","7","7","3","1") = "6"
    & skf21("1","6","7","3","7","7","4","1") = "6"
    & skf21("1","6","7","3","7","7","5","1") = "6"
    & skf21("1","6","7","3","7","7","6","1") = "6"
    & skf21("1","6","7","3","7","7","7","1") = "6"
    & skf21("1","6","7","4","1","1","1","1") = "6"
    & skf21("1","6","7","4","1","1","2","1") = "6"
    & skf21("1","6","7","4","1","1","3","1") = "6"
    & skf21("1","6","7","4","1","1","4","1") = "6"
    & skf21("1","6","7","4","1","1","5","1") = "6"
    & skf21("1","6","7","4","1","1","6","1") = "6"
    & skf21("1","6","7","4","1","1","7","1") = "6"
    & skf21("1","6","7","4","1","2","1","1") = "6"
    & skf21("1","6","7","4","1","2","2","1") = "6"
    & skf21("1","6","7","4","1","2","3","1") = "6"
    & skf21("1","6","7","4","1","2","4","1") = "6"
    & skf21("1","6","7","4","1","2","5","1") = "6"
    & skf21("1","6","7","4","1","2","6","1") = "6"
    & skf21("1","6","7","4","1","2","7","1") = "6"
    & skf21("1","6","7","4","1","3","1","1") = "6"
    & skf21("1","6","7","4","1","3","2","1") = "6"
    & skf21("1","6","7","4","1","3","3","1") = "6"
    & skf21("1","6","7","4","1","3","4","1") = "6"
    & skf21("1","6","7","4","1","3","5","1") = "6"
    & skf21("1","6","7","4","1","3","6","1") = "6"
    & skf21("1","6","7","4","1","3","7","1") = "6"
    & skf21("1","6","7","4","1","4","1","1") = "6"
    & skf21("1","6","7","4","1","4","2","1") = "6"
    & skf21("1","6","7","4","1","4","3","1") = "6"
    & skf21("1","6","7","4","1","4","4","1") = "6"
    & skf21("1","6","7","4","1","4","5","1") = "6"
    & skf21("1","6","7","4","1","4","6","1") = "6"
    & skf21("1","6","7","4","1","4","7","1") = "6"
    & skf21("1","6","7","4","1","5","1","1") = "6"
    & skf21("1","6","7","4","1","5","2","1") = "6"
    & skf21("1","6","7","4","1","5","3","1") = "6"
    & skf21("1","6","7","4","1","5","4","1") = "6"
    & skf21("1","6","7","4","1","5","5","1") = "6"
    & skf21("1","6","7","4","1","5","6","1") = "6"
    & skf21("1","6","7","4","1","5","7","1") = "6"
    & skf21("1","6","7","4","1","6","1","1") = "6"
    & skf21("1","6","7","4","1","6","2","1") = "6"
    & skf21("1","6","7","4","1","6","3","1") = "6"
    & skf21("1","6","7","4","1","6","4","1") = "6"
    & skf21("1","6","7","4","1","6","5","1") = "6"
    & skf21("1","6","7","4","1","6","6","1") = "6"
    & skf21("1","6","7","4","1","6","7","1") = "6"
    & skf21("1","6","7","4","1","7","1","1") = "6"
    & skf21("1","6","7","4","1","7","2","1") = "6"
    & skf21("1","6","7","4","1","7","3","1") = "6"
    & skf21("1","6","7","4","1","7","4","1") = "6"
    & skf21("1","6","7","4","1","7","5","1") = "6"
    & skf21("1","6","7","4","1","7","6","1") = "6"
    & skf21("1","6","7","4","1","7","7","1") = "6"
    & skf21("1","6","7","4","2","1","1","1") = "6"
    & skf21("1","6","7","4","2","1","2","1") = "6"
    & skf21("1","6","7","4","2","1","3","1") = "6"
    & skf21("1","6","7","4","2","1","4","1") = "6"
    & skf21("1","6","7","4","2","1","5","1") = "6"
    & skf21("1","6","7","4","2","1","6","1") = "6"
    & skf21("1","6","7","4","2","1","7","1") = "6"
    & skf21("1","6","7","4","2","2","1","1") = "6"
    & skf21("1","6","7","4","2","2","2","1") = "6"
    & skf21("1","6","7","4","2","2","3","1") = "6"
    & skf21("1","6","7","4","2","2","4","1") = "6"
    & skf21("1","6","7","4","2","2","5","1") = "6"
    & skf21("1","6","7","4","2","2","6","1") = "6"
    & skf21("1","6","7","4","2","2","7","1") = "6"
    & skf21("1","6","7","4","2","3","1","1") = "6"
    & skf21("1","6","7","4","2","3","2","1") = "6"
    & skf21("1","6","7","4","2","3","3","1") = "6"
    & skf21("1","6","7","4","2","3","4","1") = "6"
    & skf21("1","6","7","4","2","3","5","1") = "6"
    & skf21("1","6","7","4","2","3","6","1") = "6"
    & skf21("1","6","7","4","2","3","7","1") = "6"
    & skf21("1","6","7","4","2","4","1","1") = "6"
    & skf21("1","6","7","4","2","4","2","1") = "6"
    & skf21("1","6","7","4","2","4","3","1") = "6"
    & skf21("1","6","7","4","2","4","4","1") = "6"
    & skf21("1","6","7","4","2","4","5","1") = "6"
    & skf21("1","6","7","4","2","4","6","1") = "6"
    & skf21("1","6","7","4","2","4","7","1") = "6"
    & skf21("1","6","7","4","2","5","1","1") = "6"
    & skf21("1","6","7","4","2","5","2","1") = "6"
    & skf21("1","6","7","4","2","5","3","1") = "6"
    & skf21("1","6","7","4","2","5","4","1") = "6"
    & skf21("1","6","7","4","2","5","5","1") = "6"
    & skf21("1","6","7","4","2","5","6","1") = "6"
    & skf21("1","6","7","4","2","5","7","1") = "6"
    & skf21("1","6","7","4","2","6","1","1") = "6"
    & skf21("1","6","7","4","2","6","2","1") = "6"
    & skf21("1","6","7","4","2","6","3","1") = "6"
    & skf21("1","6","7","4","2","6","4","1") = "6"
    & skf21("1","6","7","4","2","6","5","1") = "6"
    & skf21("1","6","7","4","2","6","6","1") = "6"
    & skf21("1","6","7","4","2","6","7","1") = "6"
    & skf21("1","6","7","4","2","7","1","1") = "6"
    & skf21("1","6","7","4","2","7","2","1") = "6"
    & skf21("1","6","7","4","2","7","3","1") = "6"
    & skf21("1","6","7","4","2","7","4","1") = "6"
    & skf21("1","6","7","4","2","7","5","1") = "6"
    & skf21("1","6","7","4","2","7","6","1") = "6"
    & skf21("1","6","7","4","2","7","7","1") = "6"
    & skf21("1","6","7","4","3","1","1","1") = "6"
    & skf21("1","6","7","4","3","1","2","1") = "6"
    & skf21("1","6","7","4","3","1","3","1") = "6"
    & skf21("1","6","7","4","3","1","4","1") = "6"
    & skf21("1","6","7","4","3","1","5","1") = "6"
    & skf21("1","6","7","4","3","1","6","1") = "6"
    & skf21("1","6","7","4","3","1","7","1") = "6"
    & skf21("1","6","7","4","3","2","1","1") = "6"
    & skf21("1","6","7","4","3","2","2","1") = "6"
    & skf21("1","6","7","4","3","2","3","1") = "6"
    & skf21("1","6","7","4","3","2","4","1") = "6"
    & skf21("1","6","7","4","3","2","5","1") = "6"
    & skf21("1","6","7","4","3","2","6","1") = "6"
    & skf21("1","6","7","4","3","2","7","1") = "6"
    & skf21("1","6","7","4","3","3","1","1") = "6"
    & skf21("1","6","7","4","3","3","2","1") = "6"
    & skf21("1","6","7","4","3","3","3","1") = "6"
    & skf21("1","6","7","4","3","3","4","1") = "6"
    & skf21("1","6","7","4","3","3","5","1") = "6"
    & skf21("1","6","7","4","3","3","6","1") = "6"
    & skf21("1","6","7","4","3","3","7","1") = "6"
    & skf21("1","6","7","4","3","4","1","1") = "6"
    & skf21("1","6","7","4","3","4","2","1") = "6"
    & skf21("1","6","7","4","3","4","3","1") = "6"
    & skf21("1","6","7","4","3","4","4","1") = "6"
    & skf21("1","6","7","4","3","4","5","1") = "6"
    & skf21("1","6","7","4","3","4","6","1") = "6"
    & skf21("1","6","7","4","3","4","7","1") = "6"
    & skf21("1","6","7","4","3","5","1","1") = "6"
    & skf21("1","6","7","4","3","5","2","1") = "6"
    & skf21("1","6","7","4","3","5","3","1") = "6"
    & skf21("1","6","7","4","3","5","4","1") = "6"
    & skf21("1","6","7","4","3","5","5","1") = "6"
    & skf21("1","6","7","4","3","5","6","1") = "6"
    & skf21("1","6","7","4","3","5","7","1") = "6"
    & skf21("1","6","7","4","3","6","1","1") = "6"
    & skf21("1","6","7","4","3","6","2","1") = "6"
    & skf21("1","6","7","4","3","6","3","1") = "6"
    & skf21("1","6","7","4","3","6","4","1") = "6"
    & skf21("1","6","7","4","3","6","5","1") = "6"
    & skf21("1","6","7","4","3","6","6","1") = "6"
    & skf21("1","6","7","4","3","6","7","1") = "6"
    & skf21("1","6","7","4","3","7","1","1") = "6"
    & skf21("1","6","7","4","3","7","2","1") = "6"
    & skf21("1","6","7","4","3","7","3","1") = "6"
    & skf21("1","6","7","4","3","7","4","1") = "6"
    & skf21("1","6","7","4","3","7","5","1") = "6"
    & skf21("1","6","7","4","3","7","6","1") = "6"
    & skf21("1","6","7","4","3","7","7","1") = "6"
    & skf21("1","6","7","4","4","1","1","1") = "6"
    & skf21("1","6","7","4","4","1","2","1") = "6"
    & skf21("1","6","7","4","4","1","3","1") = "6"
    & skf21("1","6","7","4","4","1","4","1") = "6"
    & skf21("1","6","7","4","4","1","5","1") = "6"
    & skf21("1","6","7","4","4","1","6","1") = "6"
    & skf21("1","6","7","4","4","1","7","1") = "6"
    & skf21("1","6","7","4","4","2","1","1") = "6"
    & skf21("1","6","7","4","4","2","2","1") = "6"
    & skf21("1","6","7","4","4","2","3","1") = "6"
    & skf21("1","6","7","4","4","2","4","1") = "6"
    & skf21("1","6","7","4","4","2","5","1") = "6"
    & skf21("1","6","7","4","4","2","6","1") = "6"
    & skf21("1","6","7","4","4","2","7","1") = "6"
    & skf21("1","6","7","4","4","3","1","1") = "6"
    & skf21("1","6","7","4","4","3","2","1") = "6"
    & skf21("1","6","7","4","4","3","3","1") = "6"
    & skf21("1","6","7","4","4","3","4","1") = "6"
    & skf21("1","6","7","4","4","3","5","1") = "6"
    & skf21("1","6","7","4","4","3","6","1") = "6"
    & skf21("1","6","7","4","4","3","7","1") = "6"
    & skf21("1","6","7","4","4","4","1","1") = "6"
    & skf21("1","6","7","4","4","4","2","1") = "6"
    & skf21("1","6","7","4","4","4","3","1") = "6"
    & skf21("1","6","7","4","4","4","4","1") = "6"
    & skf21("1","6","7","4","4","4","5","1") = "6"
    & skf21("1","6","7","4","4","4","6","1") = "6"
    & skf21("1","6","7","4","4","4","7","1") = "6"
    & skf21("1","6","7","4","4","5","1","1") = "6"
    & skf21("1","6","7","4","4","5","2","1") = "6"
    & skf21("1","6","7","4","4","5","3","1") = "6"
    & skf21("1","6","7","4","4","5","4","1") = "6"
    & skf21("1","6","7","4","4","5","5","1") = "6"
    & skf21("1","6","7","4","4","5","6","1") = "6"
    & skf21("1","6","7","4","4","5","7","1") = "6"
    & skf21("1","6","7","4","4","6","1","1") = "6"
    & skf21("1","6","7","4","4","6","2","1") = "6"
    & skf21("1","6","7","4","4","6","3","1") = "6"
    & skf21("1","6","7","4","4","6","4","1") = "6"
    & skf21("1","6","7","4","4","6","5","1") = "6"
    & skf21("1","6","7","4","4","6","6","1") = "6"
    & skf21("1","6","7","4","4","6","7","1") = "6"
    & skf21("1","6","7","4","4","7","1","1") = "6"
    & skf21("1","6","7","4","4","7","2","1") = "6"
    & skf21("1","6","7","4","4","7","3","1") = "6"
    & skf21("1","6","7","4","4","7","4","1") = "6"
    & skf21("1","6","7","4","4","7","5","1") = "6"
    & skf21("1","6","7","4","4","7","6","1") = "6"
    & skf21("1","6","7","4","4","7","7","1") = "6"
    & skf21("1","6","7","4","5","1","1","1") = "6"
    & skf21("1","6","7","4","5","1","2","1") = "6"
    & skf21("1","6","7","4","5","1","3","1") = "6"
    & skf21("1","6","7","4","5","1","4","1") = "6"
    & skf21("1","6","7","4","5","1","5","1") = "6"
    & skf21("1","6","7","4","5","1","6","1") = "6"
    & skf21("1","6","7","4","5","1","7","1") = "6"
    & skf21("1","6","7","4","5","2","1","1") = "6"
    & skf21("1","6","7","4","5","2","2","1") = "6"
    & skf21("1","6","7","4","5","2","3","1") = "6"
    & skf21("1","6","7","4","5","2","4","1") = "6"
    & skf21("1","6","7","4","5","2","5","1") = "6"
    & skf21("1","6","7","4","5","2","6","1") = "6"
    & skf21("1","6","7","4","5","2","7","1") = "6"
    & skf21("1","6","7","4","5","3","1","1") = "6"
    & skf21("1","6","7","4","5","3","2","1") = "6"
    & skf21("1","6","7","4","5","3","3","1") = "6"
    & skf21("1","6","7","4","5","3","4","1") = "6"
    & skf21("1","6","7","4","5","3","5","1") = "6"
    & skf21("1","6","7","4","5","3","6","1") = "6"
    & skf21("1","6","7","4","5","3","7","1") = "6"
    & skf21("1","6","7","4","5","4","1","1") = "6"
    & skf21("1","6","7","4","5","4","2","1") = "6"
    & skf21("1","6","7","4","5","4","3","1") = "6"
    & skf21("1","6","7","4","5","4","4","1") = "6"
    & skf21("1","6","7","4","5","4","5","1") = "6"
    & skf21("1","6","7","4","5","4","6","1") = "6"
    & skf21("1","6","7","4","5","4","7","1") = "6"
    & skf21("1","6","7","4","5","5","1","1") = "6"
    & skf21("1","6","7","4","5","5","2","1") = "6"
    & skf21("1","6","7","4","5","5","3","1") = "6"
    & skf21("1","6","7","4","5","5","4","1") = "6"
    & skf21("1","6","7","4","5","5","5","1") = "6"
    & skf21("1","6","7","4","5","5","6","1") = "6"
    & skf21("1","6","7","4","5","5","7","1") = "6"
    & skf21("1","6","7","4","5","6","1","1") = "6"
    & skf21("1","6","7","4","5","6","2","1") = "6"
    & skf21("1","6","7","4","5","6","3","1") = "6"
    & skf21("1","6","7","4","5","6","4","1") = "6"
    & skf21("1","6","7","4","5","6","5","1") = "6"
    & skf21("1","6","7","4","5","6","6","1") = "6"
    & skf21("1","6","7","4","5","6","7","1") = "6"
    & skf21("1","6","7","4","5","7","1","1") = "6"
    & skf21("1","6","7","4","5","7","2","1") = "6"
    & skf21("1","6","7","4","5","7","3","1") = "6"
    & skf21("1","6","7","4","5","7","4","1") = "6"
    & skf21("1","6","7","4","5","7","5","1") = "6"
    & skf21("1","6","7","4","5","7","6","1") = "6"
    & skf21("1","6","7","4","5","7","7","1") = "6"
    & skf21("1","6","7","4","6","1","1","1") = "6"
    & skf21("1","6","7","4","6","1","2","1") = "6"
    & skf21("1","6","7","4","6","1","3","1") = "6"
    & skf21("1","6","7","4","6","1","4","1") = "6"
    & skf21("1","6","7","4","6","1","5","1") = "6"
    & skf21("1","6","7","4","6","1","6","1") = "6"
    & skf21("1","6","7","4","6","1","7","1") = "6"
    & skf21("1","6","7","4","6","2","1","1") = "6"
    & skf21("1","6","7","4","6","2","2","1") = "6"
    & skf21("1","6","7","4","6","2","3","1") = "6"
    & skf21("1","6","7","4","6","2","4","1") = "6"
    & skf21("1","6","7","4","6","2","5","1") = "6"
    & skf21("1","6","7","4","6","2","6","1") = "6"
    & skf21("1","6","7","4","6","2","7","1") = "6"
    & skf21("1","6","7","4","6","3","1","1") = "6"
    & skf21("1","6","7","4","6","3","2","1") = "6"
    & skf21("1","6","7","4","6","3","3","1") = "6"
    & skf21("1","6","7","4","6","3","4","1") = "6"
    & skf21("1","6","7","4","6","3","5","1") = "6"
    & skf21("1","6","7","4","6","3","6","1") = "6"
    & skf21("1","6","7","4","6","3","7","1") = "6"
    & skf21("1","6","7","4","6","4","1","1") = "6"
    & skf21("1","6","7","4","6","4","2","1") = "6"
    & skf21("1","6","7","4","6","4","3","1") = "6"
    & skf21("1","6","7","4","6","4","4","1") = "6"
    & skf21("1","6","7","4","6","4","5","1") = "6"
    & skf21("1","6","7","4","6","4","6","1") = "6"
    & skf21("1","6","7","4","6","4","7","1") = "6"
    & skf21("1","6","7","4","6","5","1","1") = "6"
    & skf21("1","6","7","4","6","5","2","1") = "6"
    & skf21("1","6","7","4","6","5","3","1") = "6"
    & skf21("1","6","7","4","6","5","4","1") = "6"
    & skf21("1","6","7","4","6","5","5","1") = "6"
    & skf21("1","6","7","4","6","5","6","1") = "6"
    & skf21("1","6","7","4","6","5","7","1") = "6"
    & skf21("1","6","7","4","6","6","1","1") = "6"
    & skf21("1","6","7","4","6","6","2","1") = "6"
    & skf21("1","6","7","4","6","6","3","1") = "6"
    & skf21("1","6","7","4","6","6","4","1") = "6"
    & skf21("1","6","7","4","6","6","5","1") = "6"
    & skf21("1","6","7","4","6","6","6","1") = "6"
    & skf21("1","6","7","4","6","6","7","1") = "6"
    & skf21("1","6","7","4","6","7","1","1") = "6"
    & skf21("1","6","7","4","6","7","2","1") = "6"
    & skf21("1","6","7","4","6","7","3","1") = "6"
    & skf21("1","6","7","4","6","7","4","1") = "6"
    & skf21("1","6","7","4","6","7","5","1") = "6"
    & skf21("1","6","7","4","6","7","6","1") = "6"
    & skf21("1","6","7","4","6","7","7","1") = "6"
    & skf21("1","6","7","4","7","1","1","1") = "6"
    & skf21("1","6","7","4","7","1","2","1") = "6"
    & skf21("1","6","7","4","7","1","3","1") = "6"
    & skf21("1","6","7","4","7","1","4","1") = "6"
    & skf21("1","6","7","4","7","1","5","1") = "6"
    & skf21("1","6","7","4","7","1","6","1") = "6"
    & skf21("1","6","7","4","7","1","7","1") = "6"
    & skf21("1","6","7","4","7","2","1","1") = "6"
    & skf21("1","6","7","4","7","2","2","1") = "6"
    & skf21("1","6","7","4","7","2","3","1") = "6"
    & skf21("1","6","7","4","7","2","4","1") = "6"
    & skf21("1","6","7","4","7","2","5","1") = "6"
    & skf21("1","6","7","4","7","2","6","1") = "6"
    & skf21("1","6","7","4","7","2","7","1") = "6"
    & skf21("1","6","7","4","7","3","1","1") = "6"
    & skf21("1","6","7","4","7","3","2","1") = "6"
    & skf21("1","6","7","4","7","3","3","1") = "6"
    & skf21("1","6","7","4","7","3","4","1") = "6"
    & skf21("1","6","7","4","7","3","5","1") = "6"
    & skf21("1","6","7","4","7","3","6","1") = "6"
    & skf21("1","6","7","4","7","3","7","1") = "6"
    & skf21("1","6","7","4","7","4","1","1") = "6"
    & skf21("1","6","7","4","7","4","2","1") = "6"
    & skf21("1","6","7","4","7","4","3","1") = "6"
    & skf21("1","6","7","4","7","4","4","1") = "6"
    & skf21("1","6","7","4","7","4","5","1") = "6"
    & skf21("1","6","7","4","7","4","6","1") = "6"
    & skf21("1","6","7","4","7","4","7","1") = "6"
    & skf21("1","6","7","4","7","5","1","1") = "6"
    & skf21("1","6","7","4","7","5","2","1") = "6"
    & skf21("1","6","7","4","7","5","3","1") = "6"
    & skf21("1","6","7","4","7","5","4","1") = "6"
    & skf21("1","6","7","4","7","5","5","1") = "6"
    & skf21("1","6","7","4","7","5","6","1") = "6"
    & skf21("1","6","7","4","7","5","7","1") = "6"
    & skf21("1","6","7","4","7","6","1","1") = "6"
    & skf21("1","6","7","4","7","6","2","1") = "6"
    & skf21("1","6","7","4","7","6","3","1") = "6"
    & skf21("1","6","7","4","7","6","4","1") = "6"
    & skf21("1","6","7","4","7","6","5","1") = "6"
    & skf21("1","6","7","4","7","6","6","1") = "6"
    & skf21("1","6","7","4","7","6","7","1") = "6"
    & skf21("1","6","7","4","7","7","1","1") = "6"
    & skf21("1","6","7","4","7","7","2","1") = "6"
    & skf21("1","6","7","4","7","7","3","1") = "6"
    & skf21("1","6","7","4","7","7","4","1") = "6"
    & skf21("1","6","7","4","7","7","5","1") = "6"
    & skf21("1","6","7","4","7","7","6","1") = "6"
    & skf21("1","6","7","4","7","7","7","1") = "6"
    & skf21("1","6","7","5","1","1","1","1") = "6"
    & skf21("1","6","7","5","1","1","2","1") = "6"
    & skf21("1","6","7","5","1","1","3","1") = "6"
    & skf21("1","6","7","5","1","1","4","1") = "6"
    & skf21("1","6","7","5","1","1","5","1") = "6"
    & skf21("1","6","7","5","1","1","6","1") = "6"
    & skf21("1","6","7","5","1","1","7","1") = "6"
    & skf21("1","6","7","5","1","2","1","1") = "6"
    & skf21("1","6","7","5","1","2","2","1") = "6"
    & skf21("1","6","7","5","1","2","3","1") = "6"
    & skf21("1","6","7","5","1","2","4","1") = "6"
    & skf21("1","6","7","5","1","2","5","1") = "6"
    & skf21("1","6","7","5","1","2","6","1") = "6"
    & skf21("1","6","7","5","1","2","7","1") = "6"
    & skf21("1","6","7","5","1","3","1","1") = "6"
    & skf21("1","6","7","5","1","3","2","1") = "6"
    & skf21("1","6","7","5","1","3","3","1") = "6"
    & skf21("1","6","7","5","1","3","4","1") = "6"
    & skf21("1","6","7","5","1","3","5","1") = "6"
    & skf21("1","6","7","5","1","3","6","1") = "6"
    & skf21("1","6","7","5","1","3","7","1") = "6"
    & skf21("1","6","7","5","1","4","1","1") = "6"
    & skf21("1","6","7","5","1","4","2","1") = "6"
    & skf21("1","6","7","5","1","4","3","1") = "6"
    & skf21("1","6","7","5","1","4","4","1") = "6"
    & skf21("1","6","7","5","1","4","5","1") = "6"
    & skf21("1","6","7","5","1","4","6","1") = "6"
    & skf21("1","6","7","5","1","4","7","1") = "6"
    & skf21("1","6","7","5","1","5","1","1") = "6"
    & skf21("1","6","7","5","1","5","2","1") = "6"
    & skf21("1","6","7","5","1","5","3","1") = "6"
    & skf21("1","6","7","5","1","5","4","1") = "6"
    & skf21("1","6","7","5","1","5","5","1") = "6"
    & skf21("1","6","7","5","1","5","6","1") = "6"
    & skf21("1","6","7","5","1","5","7","1") = "6"
    & skf21("1","6","7","5","1","6","1","1") = "6"
    & skf21("1","6","7","5","1","6","2","1") = "6"
    & skf21("1","6","7","5","1","6","3","1") = "6"
    & skf21("1","6","7","5","1","6","4","1") = "6"
    & skf21("1","6","7","5","1","6","5","1") = "6"
    & skf21("1","6","7","5","1","6","6","1") = "6"
    & skf21("1","6","7","5","1","6","7","1") = "6"
    & skf21("1","6","7","5","1","7","1","1") = "6"
    & skf21("1","6","7","5","1","7","2","1") = "6"
    & skf21("1","6","7","5","1","7","3","1") = "6"
    & skf21("1","6","7","5","1","7","4","1") = "6"
    & skf21("1","6","7","5","1","7","5","1") = "6"
    & skf21("1","6","7","5","1","7","6","1") = "6"
    & skf21("1","6","7","5","1","7","7","1") = "6"
    & skf21("1","6","7","5","2","1","1","1") = "6"
    & skf21("1","6","7","5","2","1","2","1") = "6"
    & skf21("1","6","7","5","2","1","3","1") = "6"
    & skf21("1","6","7","5","2","1","4","1") = "6"
    & skf21("1","6","7","5","2","1","5","1") = "6"
    & skf21("1","6","7","5","2","1","6","1") = "6"
    & skf21("1","6","7","5","2","1","7","1") = "6"
    & skf21("1","6","7","5","2","2","1","1") = "6"
    & skf21("1","6","7","5","2","2","2","1") = "6"
    & skf21("1","6","7","5","2","2","3","1") = "6"
    & skf21("1","6","7","5","2","2","4","1") = "6"
    & skf21("1","6","7","5","2","2","5","1") = "6"
    & skf21("1","6","7","5","2","2","6","1") = "6"
    & skf21("1","6","7","5","2","2","7","1") = "6"
    & skf21("1","6","7","5","2","3","1","1") = "6"
    & skf21("1","6","7","5","2","3","2","1") = "6"
    & skf21("1","6","7","5","2","3","3","1") = "6"
    & skf21("1","6","7","5","2","3","4","1") = "6"
    & skf21("1","6","7","5","2","3","5","1") = "6"
    & skf21("1","6","7","5","2","3","6","1") = "6"
    & skf21("1","6","7","5","2","3","7","1") = "6"
    & skf21("1","6","7","5","2","4","1","1") = "6"
    & skf21("1","6","7","5","2","4","2","1") = "6"
    & skf21("1","6","7","5","2","4","3","1") = "6"
    & skf21("1","6","7","5","2","4","4","1") = "6"
    & skf21("1","6","7","5","2","4","5","1") = "6"
    & skf21("1","6","7","5","2","4","6","1") = "6"
    & skf21("1","6","7","5","2","4","7","1") = "6"
    & skf21("1","6","7","5","2","5","1","1") = "6"
    & skf21("1","6","7","5","2","5","2","1") = "6"
    & skf21("1","6","7","5","2","5","3","1") = "6"
    & skf21("1","6","7","5","2","5","4","1") = "6"
    & skf21("1","6","7","5","2","5","5","1") = "6"
    & skf21("1","6","7","5","2","5","6","1") = "6"
    & skf21("1","6","7","5","2","5","7","1") = "6"
    & skf21("1","6","7","5","2","6","1","1") = "6"
    & skf21("1","6","7","5","2","6","2","1") = "6"
    & skf21("1","6","7","5","2","6","3","1") = "6"
    & skf21("1","6","7","5","2","6","4","1") = "6"
    & skf21("1","6","7","5","2","6","5","1") = "6"
    & skf21("1","6","7","5","2","6","6","1") = "6"
    & skf21("1","6","7","5","2","6","7","1") = "6"
    & skf21("1","6","7","5","2","7","1","1") = "6"
    & skf21("1","6","7","5","2","7","2","1") = "6"
    & skf21("1","6","7","5","2","7","3","1") = "6"
    & skf21("1","6","7","5","2","7","4","1") = "6"
    & skf21("1","6","7","5","2","7","5","1") = "6"
    & skf21("1","6","7","5","2","7","6","1") = "6"
    & skf21("1","6","7","5","2","7","7","1") = "6"
    & skf21("1","6","7","5","3","1","1","1") = "6"
    & skf21("1","6","7","5","3","1","2","1") = "6"
    & skf21("1","6","7","5","3","1","3","1") = "6"
    & skf21("1","6","7","5","3","1","4","1") = "6"
    & skf21("1","6","7","5","3","1","5","1") = "6"
    & skf21("1","6","7","5","3","1","6","1") = "6"
    & skf21("1","6","7","5","3","1","7","1") = "6"
    & skf21("1","6","7","5","3","2","1","1") = "6"
    & skf21("1","6","7","5","3","2","2","1") = "6"
    & skf21("1","6","7","5","3","2","3","1") = "6"
    & skf21("1","6","7","5","3","2","4","1") = "6"
    & skf21("1","6","7","5","3","2","5","1") = "6"
    & skf21("1","6","7","5","3","2","6","1") = "6"
    & skf21("1","6","7","5","3","2","7","1") = "6"
    & skf21("1","6","7","5","3","3","1","1") = "6"
    & skf21("1","6","7","5","3","3","2","1") = "6"
    & skf21("1","6","7","5","3","3","3","1") = "6"
    & skf21("1","6","7","5","3","3","4","1") = "6"
    & skf21("1","6","7","5","3","3","5","1") = "6"
    & skf21("1","6","7","5","3","3","6","1") = "6"
    & skf21("1","6","7","5","3","3","7","1") = "6"
    & skf21("1","6","7","5","3","4","1","1") = "6"
    & skf21("1","6","7","5","3","4","2","1") = "6"
    & skf21("1","6","7","5","3","4","3","1") = "6"
    & skf21("1","6","7","5","3","4","4","1") = "6"
    & skf21("1","6","7","5","3","4","5","1") = "6"
    & skf21("1","6","7","5","3","4","6","1") = "6"
    & skf21("1","6","7","5","3","4","7","1") = "6"
    & skf21("1","6","7","5","3","5","1","1") = "6"
    & skf21("1","6","7","5","3","5","2","1") = "6"
    & skf21("1","6","7","5","3","5","3","1") = "6"
    & skf21("1","6","7","5","3","5","4","1") = "6"
    & skf21("1","6","7","5","3","5","5","1") = "6"
    & skf21("1","6","7","5","3","5","6","1") = "6"
    & skf21("1","6","7","5","3","5","7","1") = "6"
    & skf21("1","6","7","5","3","6","1","1") = "6"
    & skf21("1","6","7","5","3","6","2","1") = "6"
    & skf21("1","6","7","5","3","6","3","1") = "6"
    & skf21("1","6","7","5","3","6","4","1") = "6"
    & skf21("1","6","7","5","3","6","5","1") = "6"
    & skf21("1","6","7","5","3","6","6","1") = "6"
    & skf21("1","6","7","5","3","6","7","1") = "6"
    & skf21("1","6","7","5","3","7","1","1") = "6"
    & skf21("1","6","7","5","3","7","2","1") = "6"
    & skf21("1","6","7","5","3","7","3","1") = "6"
    & skf21("1","6","7","5","3","7","4","1") = "6"
    & skf21("1","6","7","5","3","7","5","1") = "6"
    & skf21("1","6","7","5","3","7","6","1") = "6"
    & skf21("1","6","7","5","3","7","7","1") = "6"
    & skf21("1","6","7","5","4","1","1","1") = "6"
    & skf21("1","6","7","5","4","1","2","1") = "6"
    & skf21("1","6","7","5","4","1","3","1") = "6"
    & skf21("1","6","7","5","4","1","4","1") = "6"
    & skf21("1","6","7","5","4","1","5","1") = "6"
    & skf21("1","6","7","5","4","1","6","1") = "6"
    & skf21("1","6","7","5","4","1","7","1") = "6"
    & skf21("1","6","7","5","4","2","1","1") = "6"
    & skf21("1","6","7","5","4","2","2","1") = "6"
    & skf21("1","6","7","5","4","2","3","1") = "6"
    & skf21("1","6","7","5","4","2","4","1") = "6"
    & skf21("1","6","7","5","4","2","5","1") = "6"
    & skf21("1","6","7","5","4","2","6","1") = "6"
    & skf21("1","6","7","5","4","2","7","1") = "6"
    & skf21("1","6","7","5","4","3","1","1") = "6"
    & skf21("1","6","7","5","4","3","2","1") = "6"
    & skf21("1","6","7","5","4","3","3","1") = "6"
    & skf21("1","6","7","5","4","3","4","1") = "6"
    & skf21("1","6","7","5","4","3","5","1") = "6"
    & skf21("1","6","7","5","4","3","6","1") = "6"
    & skf21("1","6","7","5","4","3","7","1") = "6"
    & skf21("1","6","7","5","4","4","1","1") = "6"
    & skf21("1","6","7","5","4","4","2","1") = "6"
    & skf21("1","6","7","5","4","4","3","1") = "6"
    & skf21("1","6","7","5","4","4","4","1") = "6"
    & skf21("1","6","7","5","4","4","5","1") = "6"
    & skf21("1","6","7","5","4","4","6","1") = "6"
    & skf21("1","6","7","5","4","4","7","1") = "6"
    & skf21("1","6","7","5","4","5","1","1") = "6"
    & skf21("1","6","7","5","4","5","2","1") = "6"
    & skf21("1","6","7","5","4","5","3","1") = "6"
    & skf21("1","6","7","5","4","5","4","1") = "6"
    & skf21("1","6","7","5","4","5","5","1") = "6"
    & skf21("1","6","7","5","4","5","6","1") = "6"
    & skf21("1","6","7","5","4","5","7","1") = "6"
    & skf21("1","6","7","5","4","6","1","1") = "6"
    & skf21("1","6","7","5","4","6","2","1") = "6"
    & skf21("1","6","7","5","4","6","3","1") = "6"
    & skf21("1","6","7","5","4","6","4","1") = "6"
    & skf21("1","6","7","5","4","6","5","1") = "6"
    & skf21("1","6","7","5","4","6","6","1") = "6"
    & skf21("1","6","7","5","4","6","7","1") = "6"
    & skf21("1","6","7","5","4","7","1","1") = "6"
    & skf21("1","6","7","5","4","7","2","1") = "6"
    & skf21("1","6","7","5","4","7","3","1") = "6"
    & skf21("1","6","7","5","4","7","4","1") = "6"
    & skf21("1","6","7","5","4","7","5","1") = "6"
    & skf21("1","6","7","5","4","7","6","1") = "6"
    & skf21("1","6","7","5","4","7","7","1") = "6"
    & skf21("1","6","7","5","5","1","1","1") = "6"
    & skf21("1","6","7","5","5","1","2","1") = "6"
    & skf21("1","6","7","5","5","1","3","1") = "6"
    & skf21("1","6","7","5","5","1","4","1") = "6"
    & skf21("1","6","7","5","5","1","5","1") = "6"
    & skf21("1","6","7","5","5","1","6","1") = "6"
    & skf21("1","6","7","5","5","1","7","1") = "6"
    & skf21("1","6","7","5","5","2","1","1") = "6"
    & skf21("1","6","7","5","5","2","2","1") = "6"
    & skf21("1","6","7","5","5","2","3","1") = "6"
    & skf21("1","6","7","5","5","2","4","1") = "6"
    & skf21("1","6","7","5","5","2","5","1") = "6"
    & skf21("1","6","7","5","5","2","6","1") = "6"
    & skf21("1","6","7","5","5","2","7","1") = "6"
    & skf21("1","6","7","5","5","3","1","1") = "6"
    & skf21("1","6","7","5","5","3","2","1") = "6"
    & skf21("1","6","7","5","5","3","3","1") = "6"
    & skf21("1","6","7","5","5","3","4","1") = "6"
    & skf21("1","6","7","5","5","3","5","1") = "6"
    & skf21("1","6","7","5","5","3","6","1") = "6"
    & skf21("1","6","7","5","5","3","7","1") = "6"
    & skf21("1","6","7","5","5","4","1","1") = "6"
    & skf21("1","6","7","5","5","4","2","1") = "6"
    & skf21("1","6","7","5","5","4","3","1") = "6"
    & skf21("1","6","7","5","5","4","4","1") = "6"
    & skf21("1","6","7","5","5","4","5","1") = "6"
    & skf21("1","6","7","5","5","4","6","1") = "6"
    & skf21("1","6","7","5","5","4","7","1") = "6"
    & skf21("1","6","7","5","5","5","1","1") = "6"
    & skf21("1","6","7","5","5","5","2","1") = "6"
    & skf21("1","6","7","5","5","5","3","1") = "6"
    & skf21("1","6","7","5","5","5","4","1") = "6"
    & skf21("1","6","7","5","5","5","5","1") = "6"
    & skf21("1","6","7","5","5","5","6","1") = "6"
    & skf21("1","6","7","5","5","5","7","1") = "6"
    & skf21("1","6","7","5","5","6","1","1") = "6"
    & skf21("1","6","7","5","5","6","2","1") = "6"
    & skf21("1","6","7","5","5","6","3","1") = "6"
    & skf21("1","6","7","5","5","6","4","1") = "6"
    & skf21("1","6","7","5","5","6","5","1") = "6"
    & skf21("1","6","7","5","5","6","6","1") = "6"
    & skf21("1","6","7","5","5","6","7","1") = "6"
    & skf21("1","6","7","5","5","7","1","1") = "6"
    & skf21("1","6","7","5","5","7","2","1") = "6"
    & skf21("1","6","7","5","5","7","3","1") = "6"
    & skf21("1","6","7","5","5","7","4","1") = "6"
    & skf21("1","6","7","5","5","7","5","1") = "6"
    & skf21("1","6","7","5","5","7","6","1") = "6"
    & skf21("1","6","7","5","5","7","7","1") = "6"
    & skf21("1","6","7","5","6","1","1","1") = "6"
    & skf21("1","6","7","5","6","1","2","1") = "6"
    & skf21("1","6","7","5","6","1","3","1") = "6"
    & skf21("1","6","7","5","6","1","4","1") = "6"
    & skf21("1","6","7","5","6","1","5","1") = "6"
    & skf21("1","6","7","5","6","1","6","1") = "6"
    & skf21("1","6","7","5","6","1","7","1") = "6"
    & skf21("1","6","7","5","6","2","1","1") = "6"
    & skf21("1","6","7","5","6","2","2","1") = "6"
    & skf21("1","6","7","5","6","2","3","1") = "6"
    & skf21("1","6","7","5","6","2","4","1") = "6"
    & skf21("1","6","7","5","6","2","5","1") = "6"
    & skf21("1","6","7","5","6","2","6","1") = "6"
    & skf21("1","6","7","5","6","2","7","1") = "6"
    & skf21("1","6","7","5","6","3","1","1") = "6"
    & skf21("1","6","7","5","6","3","2","1") = "6"
    & skf21("1","6","7","5","6","3","3","1") = "6"
    & skf21("1","6","7","5","6","3","4","1") = "6"
    & skf21("1","6","7","5","6","3","5","1") = "6"
    & skf21("1","6","7","5","6","3","6","1") = "6"
    & skf21("1","6","7","5","6","3","7","1") = "6"
    & skf21("1","6","7","5","6","4","1","1") = "6"
    & skf21("1","6","7","5","6","4","2","1") = "6"
    & skf21("1","6","7","5","6","4","3","1") = "6"
    & skf21("1","6","7","5","6","4","4","1") = "6"
    & skf21("1","6","7","5","6","4","5","1") = "6"
    & skf21("1","6","7","5","6","4","6","1") = "6"
    & skf21("1","6","7","5","6","4","7","1") = "6"
    & skf21("1","6","7","5","6","5","1","1") = "6"
    & skf21("1","6","7","5","6","5","2","1") = "6"
    & skf21("1","6","7","5","6","5","3","1") = "6"
    & skf21("1","6","7","5","6","5","4","1") = "6"
    & skf21("1","6","7","5","6","5","5","1") = "6"
    & skf21("1","6","7","5","6","5","6","1") = "6"
    & skf21("1","6","7","5","6","5","7","1") = "6"
    & skf21("1","6","7","5","6","6","1","1") = "6"
    & skf21("1","6","7","5","6","6","2","1") = "6"
    & skf21("1","6","7","5","6","6","3","1") = "6"
    & skf21("1","6","7","5","6","6","4","1") = "6"
    & skf21("1","6","7","5","6","6","5","1") = "6"
    & skf21("1","6","7","5","6","6","6","1") = "6"
    & skf21("1","6","7","5","6","6","7","1") = "6"
    & skf21("1","6","7","5","6","7","1","1") = "6"
    & skf21("1","6","7","5","6","7","2","1") = "6"
    & skf21("1","6","7","5","6","7","3","1") = "6"
    & skf21("1","6","7","5","6","7","4","1") = "6"
    & skf21("1","6","7","5","6","7","5","1") = "6"
    & skf21("1","6","7","5","6","7","6","1") = "6"
    & skf21("1","6","7","5","6","7","7","1") = "6"
    & skf21("1","6","7","5","7","1","1","1") = "6"
    & skf21("1","6","7","5","7","1","2","1") = "6"
    & skf21("1","6","7","5","7","1","3","1") = "6"
    & skf21("1","6","7","5","7","1","4","1") = "6"
    & skf21("1","6","7","5","7","1","5","1") = "6"
    & skf21("1","6","7","5","7","1","6","1") = "6"
    & skf21("1","6","7","5","7","1","7","1") = "6"
    & skf21("1","6","7","5","7","2","1","1") = "6"
    & skf21("1","6","7","5","7","2","2","1") = "6"
    & skf21("1","6","7","5","7","2","3","1") = "6"
    & skf21("1","6","7","5","7","2","4","1") = "6"
    & skf21("1","6","7","5","7","2","5","1") = "6"
    & skf21("1","6","7","5","7","2","6","1") = "6"
    & skf21("1","6","7","5","7","2","7","1") = "6"
    & skf21("1","6","7","5","7","3","1","1") = "6"
    & skf21("1","6","7","5","7","3","2","1") = "6"
    & skf21("1","6","7","5","7","3","3","1") = "6"
    & skf21("1","6","7","5","7","3","4","1") = "6"
    & skf21("1","6","7","5","7","3","5","1") = "6"
    & skf21("1","6","7","5","7","3","6","1") = "6"
    & skf21("1","6","7","5","7","3","7","1") = "6"
    & skf21("1","6","7","5","7","4","1","1") = "6"
    & skf21("1","6","7","5","7","4","2","1") = "6"
    & skf21("1","6","7","5","7","4","3","1") = "6"
    & skf21("1","6","7","5","7","4","4","1") = "6"
    & skf21("1","6","7","5","7","4","5","1") = "6"
    & skf21("1","6","7","5","7","4","6","1") = "6"
    & skf21("1","6","7","5","7","4","7","1") = "6"
    & skf21("1","6","7","5","7","5","1","1") = "6"
    & skf21("1","6","7","5","7","5","2","1") = "6"
    & skf21("1","6","7","5","7","5","3","1") = "6"
    & skf21("1","6","7","5","7","5","4","1") = "6"
    & skf21("1","6","7","5","7","5","5","1") = "6"
    & skf21("1","6","7","5","7","5","6","1") = "6"
    & skf21("1","6","7","5","7","5","7","1") = "6"
    & skf21("1","6","7","5","7","6","1","1") = "6"
    & skf21("1","6","7","5","7","6","2","1") = "6"
    & skf21("1","6","7","5","7","6","3","1") = "6"
    & skf21("1","6","7","5","7","6","4","1") = "6"
    & skf21("1","6","7","5","7","6","5","1") = "6"
    & skf21("1","6","7","5","7","6","6","1") = "6"
    & skf21("1","6","7","5","7","6","7","1") = "6"
    & skf21("1","6","7","5","7","7","1","1") = "6"
    & skf21("1","6","7","5","7","7","2","1") = "6"
    & skf21("1","6","7","5","7","7","3","1") = "6"
    & skf21("1","6","7","5","7","7","4","1") = "6"
    & skf21("1","6","7","5","7","7","5","1") = "6"
    & skf21("1","6","7","5","7","7","6","1") = "6"
    & skf21("1","6","7","5","7","7","7","1") = "6"
    & skf21("1","6","7","6","1","1","1","1") = "6"
    & skf21("1","6","7","6","1","1","2","1") = "6"
    & skf21("1","6","7","6","1","1","3","1") = "6"
    & skf21("1","6","7","6","1","1","4","1") = "6"
    & skf21("1","6","7","6","1","1","5","1") = "6"
    & skf21("1","6","7","6","1","1","6","1") = "6"
    & skf21("1","6","7","6","1","1","7","1") = "6"
    & skf21("1","6","7","6","1","2","1","1") = "6"
    & skf21("1","6","7","6","1","2","2","1") = "6"
    & skf21("1","6","7","6","1","2","3","1") = "6"
    & skf21("1","6","7","6","1","2","4","1") = "6"
    & skf21("1","6","7","6","1","2","5","1") = "6"
    & skf21("1","6","7","6","1","2","6","1") = "6"
    & skf21("1","6","7","6","1","2","7","1") = "6"
    & skf21("1","6","7","6","1","3","1","1") = "6"
    & skf21("1","6","7","6","1","3","2","1") = "6"
    & skf21("1","6","7","6","1","3","3","1") = "6"
    & skf21("1","6","7","6","1","3","4","1") = "6"
    & skf21("1","6","7","6","1","3","5","1") = "6"
    & skf21("1","6","7","6","1","3","6","1") = "6"
    & skf21("1","6","7","6","1","3","7","1") = "6"
    & skf21("1","6","7","6","1","4","1","1") = "6"
    & skf21("1","6","7","6","1","4","2","1") = "6"
    & skf21("1","6","7","6","1","4","3","1") = "6"
    & skf21("1","6","7","6","1","4","4","1") = "6"
    & skf21("1","6","7","6","1","4","5","1") = "6"
    & skf21("1","6","7","6","1","4","6","1") = "6"
    & skf21("1","6","7","6","1","4","7","1") = "6"
    & skf21("1","6","7","6","1","5","1","1") = "6"
    & skf21("1","6","7","6","1","5","2","1") = "6"
    & skf21("1","6","7","6","1","5","3","1") = "6"
    & skf21("1","6","7","6","1","5","4","1") = "6"
    & skf21("1","6","7","6","1","5","5","1") = "6"
    & skf21("1","6","7","6","1","5","6","1") = "6"
    & skf21("1","6","7","6","1","5","7","1") = "6"
    & skf21("1","6","7","6","1","6","1","1") = "6"
    & skf21("1","6","7","6","1","6","2","1") = "6"
    & skf21("1","6","7","6","1","6","3","1") = "6"
    & skf21("1","6","7","6","1","6","4","1") = "6"
    & skf21("1","6","7","6","1","6","5","1") = "6"
    & skf21("1","6","7","6","1","6","6","1") = "6"
    & skf21("1","6","7","6","1","6","7","1") = "6"
    & skf21("1","6","7","6","1","7","1","1") = "6"
    & skf21("1","6","7","6","1","7","2","1") = "6"
    & skf21("1","6","7","6","1","7","3","1") = "6"
    & skf21("1","6","7","6","1","7","4","1") = "6"
    & skf21("1","6","7","6","1","7","5","1") = "6"
    & skf21("1","6","7","6","1","7","6","1") = "6"
    & skf21("1","6","7","6","1","7","7","1") = "6"
    & skf21("1","6","7","6","2","1","1","1") = "6"
    & skf21("1","6","7","6","2","1","2","1") = "6"
    & skf21("1","6","7","6","2","1","3","1") = "6"
    & skf21("1","6","7","6","2","1","4","1") = "6"
    & skf21("1","6","7","6","2","1","5","1") = "6"
    & skf21("1","6","7","6","2","1","6","1") = "6"
    & skf21("1","6","7","6","2","1","7","1") = "6"
    & skf21("1","6","7","6","2","2","1","1") = "6"
    & skf21("1","6","7","6","2","2","2","1") = "6"
    & skf21("1","6","7","6","2","2","3","1") = "6"
    & skf21("1","6","7","6","2","2","4","1") = "6"
    & skf21("1","6","7","6","2","2","5","1") = "6"
    & skf21("1","6","7","6","2","2","6","1") = "6"
    & skf21("1","6","7","6","2","2","7","1") = "6"
    & skf21("1","6","7","6","2","3","1","1") = "6"
    & skf21("1","6","7","6","2","3","2","1") = "6"
    & skf21("1","6","7","6","2","3","3","1") = "6"
    & skf21("1","6","7","6","2","3","4","1") = "6"
    & skf21("1","6","7","6","2","3","5","1") = "6"
    & skf21("1","6","7","6","2","3","6","1") = "6"
    & skf21("1","6","7","6","2","3","7","1") = "6"
    & skf21("1","6","7","6","2","4","1","1") = "6"
    & skf21("1","6","7","6","2","4","2","1") = "6"
    & skf21("1","6","7","6","2","4","3","1") = "6"
    & skf21("1","6","7","6","2","4","4","1") = "6"
    & skf21("1","6","7","6","2","4","5","1") = "6"
    & skf21("1","6","7","6","2","4","6","1") = "6"
    & skf21("1","6","7","6","2","4","7","1") = "6"
    & skf21("1","6","7","6","2","5","1","1") = "6"
    & skf21("1","6","7","6","2","5","2","1") = "6"
    & skf21("1","6","7","6","2","5","3","1") = "6"
    & skf21("1","6","7","6","2","5","4","1") = "6"
    & skf21("1","6","7","6","2","5","5","1") = "6"
    & skf21("1","6","7","6","2","5","6","1") = "6"
    & skf21("1","6","7","6","2","5","7","1") = "6"
    & skf21("1","6","7","6","2","6","1","1") = "6"
    & skf21("1","6","7","6","2","6","2","1") = "6"
    & skf21("1","6","7","6","2","6","3","1") = "6"
    & skf21("1","6","7","6","2","6","4","1") = "6"
    & skf21("1","6","7","6","2","6","5","1") = "6"
    & skf21("1","6","7","6","2","6","6","1") = "6"
    & skf21("1","6","7","6","2","6","7","1") = "6"
    & skf21("1","6","7","6","2","7","1","1") = "6"
    & skf21("1","6","7","6","2","7","2","1") = "6"
    & skf21("1","6","7","6","2","7","3","1") = "6"
    & skf21("1","6","7","6","2","7","4","1") = "6"
    & skf21("1","6","7","6","2","7","5","1") = "6"
    & skf21("1","6","7","6","2","7","6","1") = "6"
    & skf21("1","6","7","6","2","7","7","1") = "6"
    & skf21("1","6","7","6","3","1","1","1") = "6"
    & skf21("1","6","7","6","3","1","2","1") = "6"
    & skf21("1","6","7","6","3","1","3","1") = "6"
    & skf21("1","6","7","6","3","1","4","1") = "6"
    & skf21("1","6","7","6","3","1","5","1") = "6"
    & skf21("1","6","7","6","3","1","6","1") = "6"
    & skf21("1","6","7","6","3","1","7","1") = "6"
    & skf21("1","6","7","6","3","2","1","1") = "6"
    & skf21("1","6","7","6","3","2","2","1") = "6"
    & skf21("1","6","7","6","3","2","3","1") = "6"
    & skf21("1","6","7","6","3","2","4","1") = "6"
    & skf21("1","6","7","6","3","2","5","1") = "6"
    & skf21("1","6","7","6","3","2","6","1") = "6"
    & skf21("1","6","7","6","3","2","7","1") = "6"
    & skf21("1","6","7","6","3","3","1","1") = "6"
    & skf21("1","6","7","6","3","3","2","1") = "6"
    & skf21("1","6","7","6","3","3","3","1") = "6"
    & skf21("1","6","7","6","3","3","4","1") = "6"
    & skf21("1","6","7","6","3","3","5","1") = "6"
    & skf21("1","6","7","6","3","3","6","1") = "6"
    & skf21("1","6","7","6","3","3","7","1") = "6"
    & skf21("1","6","7","6","3","4","1","1") = "6"
    & skf21("1","6","7","6","3","4","2","1") = "6"
    & skf21("1","6","7","6","3","4","3","1") = "6"
    & skf21("1","6","7","6","3","4","4","1") = "6"
    & skf21("1","6","7","6","3","4","5","1") = "6"
    & skf21("1","6","7","6","3","4","6","1") = "6"
    & skf21("1","6","7","6","3","4","7","1") = "6"
    & skf21("1","6","7","6","3","5","1","1") = "6"
    & skf21("1","6","7","6","3","5","2","1") = "6"
    & skf21("1","6","7","6","3","5","3","1") = "6"
    & skf21("1","6","7","6","3","5","4","1") = "6"
    & skf21("1","6","7","6","3","5","5","1") = "6"
    & skf21("1","6","7","6","3","5","6","1") = "6"
    & skf21("1","6","7","6","3","5","7","1") = "6"
    & skf21("1","6","7","6","3","6","1","1") = "6"
    & skf21("1","6","7","6","3","6","2","1") = "6"
    & skf21("1","6","7","6","3","6","3","1") = "6"
    & skf21("1","6","7","6","3","6","4","1") = "6"
    & skf21("1","6","7","6","3","6","5","1") = "6"
    & skf21("1","6","7","6","3","6","6","1") = "6"
    & skf21("1","6","7","6","3","6","7","1") = "6"
    & skf21("1","6","7","6","3","7","1","1") = "6"
    & skf21("1","6","7","6","3","7","2","1") = "6"
    & skf21("1","6","7","6","3","7","3","1") = "6"
    & skf21("1","6","7","6","3","7","4","1") = "6"
    & skf21("1","6","7","6","3","7","5","1") = "6"
    & skf21("1","6","7","6","3","7","6","1") = "6"
    & skf21("1","6","7","6","3","7","7","1") = "6"
    & skf21("1","6","7","6","4","1","1","1") = "6"
    & skf21("1","6","7","6","4","1","2","1") = "6"
    & skf21("1","6","7","6","4","1","3","1") = "6"
    & skf21("1","6","7","6","4","1","4","1") = "6"
    & skf21("1","6","7","6","4","1","5","1") = "6"
    & skf21("1","6","7","6","4","1","6","1") = "6"
    & skf21("1","6","7","6","4","1","7","1") = "6"
    & skf21("1","6","7","6","4","2","1","1") = "6"
    & skf21("1","6","7","6","4","2","2","1") = "6"
    & skf21("1","6","7","6","4","2","3","1") = "6"
    & skf21("1","6","7","6","4","2","4","1") = "6"
    & skf21("1","6","7","6","4","2","5","1") = "6"
    & skf21("1","6","7","6","4","2","6","1") = "6"
    & skf21("1","6","7","6","4","2","7","1") = "6"
    & skf21("1","6","7","6","4","3","1","1") = "6"
    & skf21("1","6","7","6","4","3","2","1") = "6"
    & skf21("1","6","7","6","4","3","3","1") = "6"
    & skf21("1","6","7","6","4","3","4","1") = "6"
    & skf21("1","6","7","6","4","3","5","1") = "6"
    & skf21("1","6","7","6","4","3","6","1") = "6"
    & skf21("1","6","7","6","4","3","7","1") = "6"
    & skf21("1","6","7","6","4","4","1","1") = "6"
    & skf21("1","6","7","6","4","4","2","1") = "6"
    & skf21("1","6","7","6","4","4","3","1") = "6"
    & skf21("1","6","7","6","4","4","4","1") = "6"
    & skf21("1","6","7","6","4","4","5","1") = "6"
    & skf21("1","6","7","6","4","4","6","1") = "6"
    & skf21("1","6","7","6","4","4","7","1") = "6"
    & skf21("1","6","7","6","4","5","1","1") = "6"
    & skf21("1","6","7","6","4","5","2","1") = "6"
    & skf21("1","6","7","6","4","5","3","1") = "6"
    & skf21("1","6","7","6","4","5","4","1") = "6"
    & skf21("1","6","7","6","4","5","5","1") = "6"
    & skf21("1","6","7","6","4","5","6","1") = "6"
    & skf21("1","6","7","6","4","5","7","1") = "6"
    & skf21("1","6","7","6","4","6","1","1") = "6"
    & skf21("1","6","7","6","4","6","2","1") = "6"
    & skf21("1","6","7","6","4","6","3","1") = "6"
    & skf21("1","6","7","6","4","6","4","1") = "6"
    & skf21("1","6","7","6","4","6","5","1") = "6"
    & skf21("1","6","7","6","4","6","6","1") = "6"
    & skf21("1","6","7","6","4","6","7","1") = "6"
    & skf21("1","6","7","6","4","7","1","1") = "6"
    & skf21("1","6","7","6","4","7","2","1") = "6"
    & skf21("1","6","7","6","4","7","3","1") = "6"
    & skf21("1","6","7","6","4","7","4","1") = "6"
    & skf21("1","6","7","6","4","7","5","1") = "6"
    & skf21("1","6","7","6","4","7","6","1") = "6"
    & skf21("1","6","7","6","4","7","7","1") = "6"
    & skf21("1","6","7","6","5","1","1","1") = "6"
    & skf21("1","6","7","6","5","1","2","1") = "6"
    & skf21("1","6","7","6","5","1","3","1") = "6"
    & skf21("1","6","7","6","5","1","4","1") = "6"
    & skf21("1","6","7","6","5","1","5","1") = "6"
    & skf21("1","6","7","6","5","1","6","1") = "6"
    & skf21("1","6","7","6","5","1","7","1") = "6"
    & skf21("1","6","7","6","5","2","1","1") = "6"
    & skf21("1","6","7","6","5","2","2","1") = "6"
    & skf21("1","6","7","6","5","2","3","1") = "6"
    & skf21("1","6","7","6","5","2","4","1") = "6"
    & skf21("1","6","7","6","5","2","5","1") = "6"
    & skf21("1","6","7","6","5","2","6","1") = "6"
    & skf21("1","6","7","6","5","2","7","1") = "6"
    & skf21("1","6","7","6","5","3","1","1") = "6"
    & skf21("1","6","7","6","5","3","2","1") = "6"
    & skf21("1","6","7","6","5","3","3","1") = "6"
    & skf21("1","6","7","6","5","3","4","1") = "6"
    & skf21("1","6","7","6","5","3","5","1") = "6"
    & skf21("1","6","7","6","5","3","6","1") = "6"
    & skf21("1","6","7","6","5","3","7","1") = "6"
    & skf21("1","6","7","6","5","4","1","1") = "6"
    & skf21("1","6","7","6","5","4","2","1") = "6"
    & skf21("1","6","7","6","5","4","3","1") = "6"
    & skf21("1","6","7","6","5","4","4","1") = "6"
    & skf21("1","6","7","6","5","4","5","1") = "6"
    & skf21("1","6","7","6","5","4","6","1") = "6"
    & skf21("1","6","7","6","5","4","7","1") = "6"
    & skf21("1","6","7","6","5","5","1","1") = "6"
    & skf21("1","6","7","6","5","5","2","1") = "6"
    & skf21("1","6","7","6","5","5","3","1") = "6"
    & skf21("1","6","7","6","5","5","4","1") = "6"
    & skf21("1","6","7","6","5","5","5","1") = "6"
    & skf21("1","6","7","6","5","5","6","1") = "6"
    & skf21("1","6","7","6","5","5","7","1") = "6"
    & skf21("1","6","7","6","5","6","1","1") = "6"
    & skf21("1","6","7","6","5","6","2","1") = "6"
    & skf21("1","6","7","6","5","6","3","1") = "6"
    & skf21("1","6","7","6","5","6","4","1") = "6"
    & skf21("1","6","7","6","5","6","5","1") = "6"
    & skf21("1","6","7","6","5","6","6","1") = "6"
    & skf21("1","6","7","6","5","6","7","1") = "6"
    & skf21("1","6","7","6","5","7","1","1") = "6"
    & skf21("1","6","7","6","5","7","2","1") = "6"
    & skf21("1","6","7","6","5","7","3","1") = "6"
    & skf21("1","6","7","6","5","7","4","1") = "6"
    & skf21("1","6","7","6","5","7","5","1") = "6"
    & skf21("1","6","7","6","5","7","6","1") = "6"
    & skf21("1","6","7","6","5","7","7","1") = "6"
    & skf21("1","6","7","6","6","1","1","1") = "6"
    & skf21("1","6","7","6","6","1","2","1") = "6"
    & skf21("1","6","7","6","6","1","3","1") = "6"
    & skf21("1","6","7","6","6","1","4","1") = "6"
    & skf21("1","6","7","6","6","1","5","1") = "6"
    & skf21("1","6","7","6","6","1","6","1") = "6"
    & skf21("1","6","7","6","6","1","7","1") = "6"
    & skf21("1","6","7","6","6","2","1","1") = "6"
    & skf21("1","6","7","6","6","2","2","1") = "6"
    & skf21("1","6","7","6","6","2","3","1") = "6"
    & skf21("1","6","7","6","6","2","4","1") = "6"
    & skf21("1","6","7","6","6","2","5","1") = "6"
    & skf21("1","6","7","6","6","2","6","1") = "6"
    & skf21("1","6","7","6","6","2","7","1") = "6"
    & skf21("1","6","7","6","6","3","1","1") = "6"
    & skf21("1","6","7","6","6","3","2","1") = "6"
    & skf21("1","6","7","6","6","3","3","1") = "6"
    & skf21("1","6","7","6","6","3","4","1") = "6"
    & skf21("1","6","7","6","6","3","5","1") = "6"
    & skf21("1","6","7","6","6","3","6","1") = "6"
    & skf21("1","6","7","6","6","3","7","1") = "6"
    & skf21("1","6","7","6","6","4","1","1") = "6"
    & skf21("1","6","7","6","6","4","2","1") = "6"
    & skf21("1","6","7","6","6","4","3","1") = "6"
    & skf21("1","6","7","6","6","4","4","1") = "6"
    & skf21("1","6","7","6","6","4","5","1") = "6"
    & skf21("1","6","7","6","6","4","6","1") = "6"
    & skf21("1","6","7","6","6","4","7","1") = "6"
    & skf21("1","6","7","6","6","5","1","1") = "6"
    & skf21("1","6","7","6","6","5","2","1") = "6"
    & skf21("1","6","7","6","6","5","3","1") = "6"
    & skf21("1","6","7","6","6","5","4","1") = "6"
    & skf21("1","6","7","6","6","5","5","1") = "6"
    & skf21("1","6","7","6","6","5","6","1") = "6"
    & skf21("1","6","7","6","6","5","7","1") = "6"
    & skf21("1","6","7","6","6","6","1","1") = "6"
    & skf21("1","6","7","6","6","6","2","1") = "6"
    & skf21("1","6","7","6","6","6","3","1") = "6"
    & skf21("1","6","7","6","6","6","4","1") = "6"
    & skf21("1","6","7","6","6","6","5","1") = "6"
    & skf21("1","6","7","6","6","6","6","1") = "6"
    & skf21("1","6","7","6","6","6","7","1") = "6"
    & skf21("1","6","7","6","6","7","1","1") = "6"
    & skf21("1","6","7","6","6","7","2","1") = "6"
    & skf21("1","6","7","6","6","7","3","1") = "6"
    & skf21("1","6","7","6","6","7","4","1") = "6"
    & skf21("1","6","7","6","6","7","5","1") = "6"
    & skf21("1","6","7","6","6","7","6","1") = "6"
    & skf21("1","6","7","6","6","7","7","1") = "6"
    & skf21("1","6","7","6","7","1","1","1") = "6"
    & skf21("1","6","7","6","7","1","2","1") = "6"
    & skf21("1","6","7","6","7","1","3","1") = "6"
    & skf21("1","6","7","6","7","1","4","1") = "6"
    & skf21("1","6","7","6","7","1","5","1") = "6"
    & skf21("1","6","7","6","7","1","6","1") = "6"
    & skf21("1","6","7","6","7","1","7","1") = "6"
    & skf21("1","6","7","6","7","2","1","1") = "6"
    & skf21("1","6","7","6","7","2","2","1") = "6"
    & skf21("1","6","7","6","7","2","3","1") = "6"
    & skf21("1","6","7","6","7","2","4","1") = "6"
    & skf21("1","6","7","6","7","2","5","1") = "6"
    & skf21("1","6","7","6","7","2","6","1") = "6"
    & skf21("1","6","7","6","7","2","7","1") = "6"
    & skf21("1","6","7","6","7","3","1","1") = "6"
    & skf21("1","6","7","6","7","3","2","1") = "6"
    & skf21("1","6","7","6","7","3","3","1") = "6"
    & skf21("1","6","7","6","7","3","4","1") = "6"
    & skf21("1","6","7","6","7","3","5","1") = "6"
    & skf21("1","6","7","6","7","3","6","1") = "6"
    & skf21("1","6","7","6","7","3","7","1") = "6"
    & skf21("1","6","7","6","7","4","1","1") = "6"
    & skf21("1","6","7","6","7","4","2","1") = "6"
    & skf21("1","6","7","6","7","4","3","1") = "6"
    & skf21("1","6","7","6","7","4","4","1") = "6"
    & skf21("1","6","7","6","7","4","5","1") = "6"
    & skf21("1","6","7","6","7","4","6","1") = "6"
    & skf21("1","6","7","6","7","4","7","1") = "6"
    & skf21("1","6","7","6","7","5","1","1") = "6"
    & skf21("1","6","7","6","7","5","2","1") = "6"
    & skf21("1","6","7","6","7","5","3","1") = "6"
    & skf21("1","6","7","6","7","5","4","1") = "6"
    & skf21("1","6","7","6","7","5","5","1") = "6"
    & skf21("1","6","7","6","7","5","6","1") = "6"
    & skf21("1","6","7","6","7","5","7","1") = "6"
    & skf21("1","6","7","6","7","6","1","1") = "6"
    & skf21("1","6","7","6","7","6","2","1") = "6"
    & skf21("1","6","7","6","7","6","3","1") = "6"
    & skf21("1","6","7","6","7","6","4","1") = "6"
    & skf21("1","6","7","6","7","6","5","1") = "6"
    & skf21("1","6","7","6","7","6","6","1") = "6"
    & skf21("1","6","7","6","7","6","7","1") = "6"
    & skf21("1","6","7","6","7","7","1","1") = "6"
    & skf21("1","6","7","6","7","7","2","1") = "6"
    & skf21("1","6","7","6","7","7","3","1") = "6"
    & skf21("1","6","7","6","7","7","4","1") = "6"
    & skf21("1","6","7","6","7","7","5","1") = "6"
    & skf21("1","6","7","6","7","7","6","1") = "6"
    & skf21("1","6","7","6","7","7","7","1") = "6"
    & skf21("1","6","7","7","1","1","1","1") = "6"
    & skf21("1","6","7","7","1","1","2","1") = "6"
    & skf21("1","6","7","7","1","1","3","1") = "6"
    & skf21("1","6","7","7","1","1","4","1") = "6"
    & skf21("1","6","7","7","1","1","5","1") = "6"
    & skf21("1","6","7","7","1","1","6","1") = "6"
    & skf21("1","6","7","7","1","1","7","1") = "6"
    & skf21("1","6","7","7","1","2","1","1") = "6"
    & skf21("1","6","7","7","1","2","2","1") = "6"
    & skf21("1","6","7","7","1","2","3","1") = "6"
    & skf21("1","6","7","7","1","2","4","1") = "6"
    & skf21("1","6","7","7","1","2","5","1") = "6"
    & skf21("1","6","7","7","1","2","6","1") = "6"
    & skf21("1","6","7","7","1","2","7","1") = "6"
    & skf21("1","6","7","7","1","3","1","1") = "6"
    & skf21("1","6","7","7","1","3","2","1") = "6"
    & skf21("1","6","7","7","1","3","3","1") = "6"
    & skf21("1","6","7","7","1","3","4","1") = "6"
    & skf21("1","6","7","7","1","3","5","1") = "6"
    & skf21("1","6","7","7","1","3","6","1") = "6"
    & skf21("1","6","7","7","1","3","7","1") = "6"
    & skf21("1","6","7","7","1","4","1","1") = "6"
    & skf21("1","6","7","7","1","4","2","1") = "6"
    & skf21("1","6","7","7","1","4","3","1") = "6"
    & skf21("1","6","7","7","1","4","4","1") = "6"
    & skf21("1","6","7","7","1","4","5","1") = "6"
    & skf21("1","6","7","7","1","4","6","1") = "6"
    & skf21("1","6","7","7","1","4","7","1") = "6"
    & skf21("1","6","7","7","1","5","1","1") = "6"
    & skf21("1","6","7","7","1","5","2","1") = "6"
    & skf21("1","6","7","7","1","5","3","1") = "6"
    & skf21("1","6","7","7","1","5","4","1") = "6"
    & skf21("1","6","7","7","1","5","5","1") = "6"
    & skf21("1","6","7","7","1","5","6","1") = "6"
    & skf21("1","6","7","7","1","5","7","1") = "6"
    & skf21("1","6","7","7","1","6","1","1") = "6"
    & skf21("1","6","7","7","1","6","2","1") = "6"
    & skf21("1","6","7","7","1","6","3","1") = "6"
    & skf21("1","6","7","7","1","6","4","1") = "6"
    & skf21("1","6","7","7","1","6","5","1") = "6"
    & skf21("1","6","7","7","1","6","6","1") = "6"
    & skf21("1","6","7","7","1","6","7","1") = "6"
    & skf21("1","6","7","7","1","7","1","1") = "6"
    & skf21("1","6","7","7","1","7","2","1") = "6"
    & skf21("1","6","7","7","1","7","3","1") = "6"
    & skf21("1","6","7","7","1","7","4","1") = "6"
    & skf21("1","6","7","7","1","7","5","1") = "6"
    & skf21("1","6","7","7","1","7","6","1") = "6"
    & skf21("1","6","7","7","1","7","7","1") = "6"
    & skf21("1","6","7","7","2","1","1","1") = "6"
    & skf21("1","6","7","7","2","1","2","1") = "6"
    & skf21("1","6","7","7","2","1","3","1") = "6"
    & skf21("1","6","7","7","2","1","4","1") = "6"
    & skf21("1","6","7","7","2","1","5","1") = "6"
    & skf21("1","6","7","7","2","1","6","1") = "6"
    & skf21("1","6","7","7","2","1","7","1") = "6"
    & skf21("1","6","7","7","2","2","1","1") = "6"
    & skf21("1","6","7","7","2","2","2","1") = "6"
    & skf21("1","6","7","7","2","2","3","1") = "6"
    & skf21("1","6","7","7","2","2","4","1") = "6"
    & skf21("1","6","7","7","2","2","5","1") = "6"
    & skf21("1","6","7","7","2","2","6","1") = "6"
    & skf21("1","6","7","7","2","2","7","1") = "6"
    & skf21("1","6","7","7","2","3","1","1") = "6"
    & skf21("1","6","7","7","2","3","2","1") = "6"
    & skf21("1","6","7","7","2","3","3","1") = "6"
    & skf21("1","6","7","7","2","3","4","1") = "6"
    & skf21("1","6","7","7","2","3","5","1") = "6"
    & skf21("1","6","7","7","2","3","6","1") = "6"
    & skf21("1","6","7","7","2","3","7","1") = "6"
    & skf21("1","6","7","7","2","4","1","1") = "6"
    & skf21("1","6","7","7","2","4","2","1") = "6"
    & skf21("1","6","7","7","2","4","3","1") = "6"
    & skf21("1","6","7","7","2","4","4","1") = "6"
    & skf21("1","6","7","7","2","4","5","1") = "6"
    & skf21("1","6","7","7","2","4","6","1") = "6"
    & skf21("1","6","7","7","2","4","7","1") = "6"
    & skf21("1","6","7","7","2","5","1","1") = "6"
    & skf21("1","6","7","7","2","5","2","1") = "6"
    & skf21("1","6","7","7","2","5","3","1") = "6"
    & skf21("1","6","7","7","2","5","4","1") = "6"
    & skf21("1","6","7","7","2","5","5","1") = "6"
    & skf21("1","6","7","7","2","5","6","1") = "6"
    & skf21("1","6","7","7","2","5","7","1") = "6"
    & skf21("1","6","7","7","2","6","1","1") = "6"
    & skf21("1","6","7","7","2","6","2","1") = "6"
    & skf21("1","6","7","7","2","6","3","1") = "6"
    & skf21("1","6","7","7","2","6","4","1") = "6"
    & skf21("1","6","7","7","2","6","5","1") = "6"
    & skf21("1","6","7","7","2","6","6","1") = "6"
    & skf21("1","6","7","7","2","6","7","1") = "6"
    & skf21("1","6","7","7","2","7","1","1") = "6"
    & skf21("1","6","7","7","2","7","2","1") = "6"
    & skf21("1","6","7","7","2","7","3","1") = "6"
    & skf21("1","6","7","7","2","7","4","1") = "6"
    & skf21("1","6","7","7","2","7","5","1") = "6"
    & skf21("1","6","7","7","2","7","6","1") = "6"
    & skf21("1","6","7","7","2","7","7","1") = "6"
    & skf21("1","6","7","7","3","1","1","1") = "6"
    & skf21("1","6","7","7","3","1","2","1") = "6"
    & skf21("1","6","7","7","3","1","3","1") = "6"
    & skf21("1","6","7","7","3","1","4","1") = "6"
    & skf21("1","6","7","7","3","1","5","1") = "6"
    & skf21("1","6","7","7","3","1","6","1") = "6"
    & skf21("1","6","7","7","3","1","7","1") = "6"
    & skf21("1","6","7","7","3","2","1","1") = "6"
    & skf21("1","6","7","7","3","2","2","1") = "6"
    & skf21("1","6","7","7","3","2","3","1") = "6"
    & skf21("1","6","7","7","3","2","4","1") = "6"
    & skf21("1","6","7","7","3","2","5","1") = "6"
    & skf21("1","6","7","7","3","2","6","1") = "6"
    & skf21("1","6","7","7","3","2","7","1") = "6"
    & skf21("1","6","7","7","3","3","1","1") = "6"
    & skf21("1","6","7","7","3","3","2","1") = "6"
    & skf21("1","6","7","7","3","3","3","1") = "6"
    & skf21("1","6","7","7","3","3","4","1") = "6"
    & skf21("1","6","7","7","3","3","5","1") = "6"
    & skf21("1","6","7","7","3","3","6","1") = "6"
    & skf21("1","6","7","7","3","3","7","1") = "6"
    & skf21("1","6","7","7","3","4","1","1") = "6"
    & skf21("1","6","7","7","3","4","2","1") = "6"
    & skf21("1","6","7","7","3","4","3","1") = "6"
    & skf21("1","6","7","7","3","4","4","1") = "6"
    & skf21("1","6","7","7","3","4","5","1") = "6"
    & skf21("1","6","7","7","3","4","6","1") = "6"
    & skf21("1","6","7","7","3","4","7","1") = "6"
    & skf21("1","6","7","7","3","5","1","1") = "6"
    & skf21("1","6","7","7","3","5","2","1") = "6"
    & skf21("1","6","7","7","3","5","3","1") = "6"
    & skf21("1","6","7","7","3","5","4","1") = "6"
    & skf21("1","6","7","7","3","5","5","1") = "6"
    & skf21("1","6","7","7","3","5","6","1") = "6"
    & skf21("1","6","7","7","3","5","7","1") = "6"
    & skf21("1","6","7","7","3","6","1","1") = "6"
    & skf21("1","6","7","7","3","6","2","1") = "6"
    & skf21("1","6","7","7","3","6","3","1") = "6"
    & skf21("1","6","7","7","3","6","4","1") = "6"
    & skf21("1","6","7","7","3","6","5","1") = "6"
    & skf21("1","6","7","7","3","6","6","1") = "6"
    & skf21("1","6","7","7","3","6","7","1") = "6"
    & skf21("1","6","7","7","3","7","1","1") = "6"
    & skf21("1","6","7","7","3","7","2","1") = "6"
    & skf21("1","6","7","7","3","7","3","1") = "6"
    & skf21("1","6","7","7","3","7","4","1") = "6"
    & skf21("1","6","7","7","3","7","5","1") = "6"
    & skf21("1","6","7","7","3","7","6","1") = "6"
    & skf21("1","6","7","7","3","7","7","1") = "6"
    & skf21("1","6","7","7","4","1","1","1") = "6"
    & skf21("1","6","7","7","4","1","2","1") = "6"
    & skf21("1","6","7","7","4","1","3","1") = "6"
    & skf21("1","6","7","7","4","1","4","1") = "6"
    & skf21("1","6","7","7","4","1","5","1") = "6"
    & skf21("1","6","7","7","4","1","6","1") = "6"
    & skf21("1","6","7","7","4","1","7","1") = "6"
    & skf21("1","6","7","7","4","2","1","1") = "6"
    & skf21("1","6","7","7","4","2","2","1") = "6"
    & skf21("1","6","7","7","4","2","3","1") = "6"
    & skf21("1","6","7","7","4","2","4","1") = "6"
    & skf21("1","6","7","7","4","2","5","1") = "6"
    & skf21("1","6","7","7","4","2","6","1") = "6"
    & skf21("1","6","7","7","4","2","7","1") = "6"
    & skf21("1","6","7","7","4","3","1","1") = "6"
    & skf21("1","6","7","7","4","3","2","1") = "6"
    & skf21("1","6","7","7","4","3","3","1") = "6"
    & skf21("1","6","7","7","4","3","4","1") = "6"
    & skf21("1","6","7","7","4","3","5","1") = "6"
    & skf21("1","6","7","7","4","3","6","1") = "6"
    & skf21("1","6","7","7","4","3","7","1") = "6"
    & skf21("1","6","7","7","4","4","1","1") = "6"
    & skf21("1","6","7","7","4","4","2","1") = "6"
    & skf21("1","6","7","7","4","4","3","1") = "6"
    & skf21("1","6","7","7","4","4","4","1") = "6"
    & skf21("1","6","7","7","4","4","5","1") = "6"
    & skf21("1","6","7","7","4","4","6","1") = "6"
    & skf21("1","6","7","7","4","4","7","1") = "6"
    & skf21("1","6","7","7","4","5","1","1") = "6"
    & skf21("1","6","7","7","4","5","2","1") = "6"
    & skf21("1","6","7","7","4","5","3","1") = "6"
    & skf21("1","6","7","7","4","5","4","1") = "6"
    & skf21("1","6","7","7","4","5","5","1") = "6"
    & skf21("1","6","7","7","4","5","6","1") = "6"
    & skf21("1","6","7","7","4","5","7","1") = "6"
    & skf21("1","6","7","7","4","6","1","1") = "6"
    & skf21("1","6","7","7","4","6","2","1") = "6"
    & skf21("1","6","7","7","4","6","3","1") = "6"
    & skf21("1","6","7","7","4","6","4","1") = "6"
    & skf21("1","6","7","7","4","6","5","1") = "6"
    & skf21("1","6","7","7","4","6","6","1") = "6"
    & skf21("1","6","7","7","4","6","7","1") = "6"
    & skf21("1","6","7","7","4","7","1","1") = "6"
    & skf21("1","6","7","7","4","7","2","1") = "6"
    & skf21("1","6","7","7","4","7","3","1") = "6"
    & skf21("1","6","7","7","4","7","4","1") = "6"
    & skf21("1","6","7","7","4","7","5","1") = "6"
    & skf21("1","6","7","7","4","7","6","1") = "6"
    & skf21("1","6","7","7","4","7","7","1") = "6"
    & skf21("1","6","7","7","5","1","1","1") = "6"
    & skf21("1","6","7","7","5","1","2","1") = "6"
    & skf21("1","6","7","7","5","1","3","1") = "6"
    & skf21("1","6","7","7","5","1","4","1") = "6"
    & skf21("1","6","7","7","5","1","5","1") = "6"
    & skf21("1","6","7","7","5","1","6","1") = "6"
    & skf21("1","6","7","7","5","1","7","1") = "6"
    & skf21("1","6","7","7","5","2","1","1") = "6"
    & skf21("1","6","7","7","5","2","2","1") = "6"
    & skf21("1","6","7","7","5","2","3","1") = "6"
    & skf21("1","6","7","7","5","2","4","1") = "6"
    & skf21("1","6","7","7","5","2","5","1") = "6"
    & skf21("1","6","7","7","5","2","6","1") = "6"
    & skf21("1","6","7","7","5","2","7","1") = "6"
    & skf21("1","6","7","7","5","3","1","1") = "6"
    & skf21("1","6","7","7","5","3","2","1") = "6"
    & skf21("1","6","7","7","5","3","3","1") = "6"
    & skf21("1","6","7","7","5","3","4","1") = "6"
    & skf21("1","6","7","7","5","3","5","1") = "6"
    & skf21("1","6","7","7","5","3","6","1") = "6"
    & skf21("1","6","7","7","5","3","7","1") = "6"
    & skf21("1","6","7","7","5","4","1","1") = "6"
    & skf21("1","6","7","7","5","4","2","1") = "6"
    & skf21("1","6","7","7","5","4","3","1") = "6"
    & skf21("1","6","7","7","5","4","4","1") = "6"
    & skf21("1","6","7","7","5","4","5","1") = "6"
    & skf21("1","6","7","7","5","4","6","1") = "6"
    & skf21("1","6","7","7","5","4","7","1") = "6"
    & skf21("1","6","7","7","5","5","1","1") = "6"
    & skf21("1","6","7","7","5","5","2","1") = "6"
    & skf21("1","6","7","7","5","5","3","1") = "6"
    & skf21("1","6","7","7","5","5","4","1") = "6"
    & skf21("1","6","7","7","5","5","5","1") = "6"
    & skf21("1","6","7","7","5","5","6","1") = "6"
    & skf21("1","6","7","7","5","5","7","1") = "6"
    & skf21("1","6","7","7","5","6","1","1") = "6"
    & skf21("1","6","7","7","5","6","2","1") = "6"
    & skf21("1","6","7","7","5","6","3","1") = "6"
    & skf21("1","6","7","7","5","6","4","1") = "6"
    & skf21("1","6","7","7","5","6","5","1") = "6"
    & skf21("1","6","7","7","5","6","6","1") = "6"
    & skf21("1","6","7","7","5","6","7","1") = "6"
    & skf21("1","6","7","7","5","7","1","1") = "6"
    & skf21("1","6","7","7","5","7","2","1") = "6"
    & skf21("1","6","7","7","5","7","3","1") = "6"
    & skf21("1","6","7","7","5","7","4","1") = "6"
    & skf21("1","6","7","7","5","7","5","1") = "6"
    & skf21("1","6","7","7","5","7","6","1") = "6"
    & skf21("1","6","7","7","5","7","7","1") = "6"
    & skf21("1","6","7","7","6","1","1","1") = "6"
    & skf21("1","6","7","7","6","1","2","1") = "6"
    & skf21("1","6","7","7","6","1","3","1") = "6"
    & skf21("1","6","7","7","6","1","4","1") = "6"
    & skf21("1","6","7","7","6","1","5","1") = "6"
    & skf21("1","6","7","7","6","1","6","1") = "6"
    & skf21("1","6","7","7","6","1","7","1") = "6"
    & skf21("1","6","7","7","6","2","1","1") = "6"
    & skf21("1","6","7","7","6","2","2","1") = "6"
    & skf21("1","6","7","7","6","2","3","1") = "6"
    & skf21("1","6","7","7","6","2","4","1") = "6"
    & skf21("1","6","7","7","6","2","5","1") = "6"
    & skf21("1","6","7","7","6","2","6","1") = "6"
    & skf21("1","6","7","7","6","2","7","1") = "6"
    & skf21("1","6","7","7","6","3","1","1") = "6"
    & skf21("1","6","7","7","6","3","2","1") = "6"
    & skf21("1","6","7","7","6","3","3","1") = "6"
    & skf21("1","6","7","7","6","3","4","1") = "6"
    & skf21("1","6","7","7","6","3","5","1") = "6"
    & skf21("1","6","7","7","6","3","6","1") = "6"
    & skf21("1","6","7","7","6","3","7","1") = "6"
    & skf21("1","6","7","7","6","4","1","1") = "6"
    & skf21("1","6","7","7","6","4","2","1") = "6"
    & skf21("1","6","7","7","6","4","3","1") = "6"
    & skf21("1","6","7","7","6","4","4","1") = "6"
    & skf21("1","6","7","7","6","4","5","1") = "6"
    & skf21("1","6","7","7","6","4","6","1") = "6"
    & skf21("1","6","7","7","6","4","7","1") = "6"
    & skf21("1","6","7","7","6","5","1","1") = "6"
    & skf21("1","6","7","7","6","5","2","1") = "6"
    & skf21("1","6","7","7","6","5","3","1") = "6"
    & skf21("1","6","7","7","6","5","4","1") = "6"
    & skf21("1","6","7","7","6","5","5","1") = "6"
    & skf21("1","6","7","7","6","5","6","1") = "6"
    & skf21("1","6","7","7","6","5","7","1") = "6"
    & skf21("1","6","7","7","6","6","1","1") = "6"
    & skf21("1","6","7","7","6","6","2","1") = "6"
    & skf21("1","6","7","7","6","6","3","1") = "6"
    & skf21("1","6","7","7","6","6","4","1") = "6"
    & skf21("1","6","7","7","6","6","5","1") = "6"
    & skf21("1","6","7","7","6","6","6","1") = "6"
    & skf21("1","6","7","7","6","6","7","1") = "6"
    & skf21("1","6","7","7","6","7","1","1") = "6"
    & skf21("1","6","7","7","6","7","2","1") = "6"
    & skf21("1","6","7","7","6","7","3","1") = "6"
    & skf21("1","6","7","7","6","7","4","1") = "6"
    & skf21("1","6","7","7","6","7","5","1") = "6"
    & skf21("1","6","7","7","6","7","6","1") = "6"
    & skf21("1","6","7","7","6","7","7","1") = "6"
    & skf21("1","6","7","7","7","1","1","1") = "6"
    & skf21("1","6","7","7","7","1","2","1") = "6"
    & skf21("1","6","7","7","7","1","3","1") = "6"
    & skf21("1","6","7","7","7","1","4","1") = "6"
    & skf21("1","6","7","7","7","1","5","1") = "6"
    & skf21("1","6","7","7","7","1","6","1") = "6"
    & skf21("1","6","7","7","7","1","7","1") = "6"
    & skf21("1","6","7","7","7","2","1","1") = "6"
    & skf21("1","6","7","7","7","2","2","1") = "6"
    & skf21("1","6","7","7","7","2","3","1") = "6"
    & skf21("1","6","7","7","7","2","4","1") = "6"
    & skf21("1","6","7","7","7","2","5","1") = "6"
    & skf21("1","6","7","7","7","2","6","1") = "6"
    & skf21("1","6","7","7","7","2","7","1") = "6"
    & skf21("1","6","7","7","7","3","1","1") = "6"
    & skf21("1","6","7","7","7","3","2","1") = "6"
    & skf21("1","6","7","7","7","3","3","1") = "6"
    & skf21("1","6","7","7","7","3","4","1") = "6"
    & skf21("1","6","7","7","7","3","5","1") = "6"
    & skf21("1","6","7","7","7","3","6","1") = "6"
    & skf21("1","6","7","7","7","3","7","1") = "6"
    & skf21("1","6","7","7","7","4","1","1") = "6"
    & skf21("1","6","7","7","7","4","2","1") = "6"
    & skf21("1","6","7","7","7","4","3","1") = "6"
    & skf21("1","6","7","7","7","4","4","1") = "6"
    & skf21("1","6","7","7","7","4","5","1") = "6"
    & skf21("1","6","7","7","7","4","6","1") = "6"
    & skf21("1","6","7","7","7","4","7","1") = "6"
    & skf21("1","6","7","7","7","5","1","1") = "6"
    & skf21("1","6","7","7","7","5","2","1") = "6"
    & skf21("1","6","7","7","7","5","3","1") = "6"
    & skf21("1","6","7","7","7","5","4","1") = "6"
    & skf21("1","6","7","7","7","5","5","1") = "6"
    & skf21("1","6","7","7","7","5","6","1") = "6"
    & skf21("1","6","7","7","7","5","7","1") = "6"
    & skf21("1","6","7","7","7","6","1","1") = "6"
    & skf21("1","6","7","7","7","6","2","1") = "6"
    & skf21("1","6","7","7","7","6","3","1") = "6"
    & skf21("1","6","7","7","7","6","4","1") = "6"
    & skf21("1","6","7","7","7","6","5","1") = "6"
    & skf21("1","6","7","7","7","6","6","1") = "6"
    & skf21("1","6","7","7","7","6","7","1") = "6"
    & skf21("1","6","7","7","7","7","1","1") = "6"
    & skf21("1","6","7","7","7","7","2","1") = "6"
    & skf21("1","6","7","7","7","7","3","1") = "6"
    & skf21("1","6","7","7","7","7","4","1") = "6"
    & skf21("1","6","7","7","7","7","5","1") = "6"
    & skf21("1","6","7","7","7","7","6","1") = "6"
    & skf21("1","6","7","7","7","7","7","1") = "6"
    & skf21("1","7","1","1","1","1","1","1") = "6"
    & skf21("1","7","1","1","1","1","2","1") = "6"
    & skf21("1","7","1","1","1","1","3","1") = "6"
    & skf21("1","7","1","1","1","1","4","1") = "6"
    & skf21("1","7","1","1","1","1","5","1") = "6"
    & skf21("1","7","1","1","1","1","6","1") = "6"
    & skf21("1","7","1","1","1","1","7","1") = "6"
    & skf21("1","7","1","1","1","2","1","1") = "6"
    & skf21("1","7","1","1","1","2","2","1") = "6"
    & skf21("1","7","1","1","1","2","3","1") = "6"
    & skf21("1","7","1","1","1","2","4","1") = "6"
    & skf21("1","7","1","1","1","2","5","1") = "6"
    & skf21("1","7","1","1","1","2","6","1") = "6"
    & skf21("1","7","1","1","1","2","7","1") = "6"
    & skf21("1","7","1","1","1","3","1","1") = "6"
    & skf21("1","7","1","1","1","3","2","1") = "6"
    & skf21("1","7","1","1","1","3","3","1") = "6"
    & skf21("1","7","1","1","1","3","4","1") = "6"
    & skf21("1","7","1","1","1","3","5","1") = "6"
    & skf21("1","7","1","1","1","3","6","1") = "6"
    & skf21("1","7","1","1","1","3","7","1") = "6"
    & skf21("1","7","1","1","1","4","1","1") = "6"
    & skf21("1","7","1","1","1","4","2","1") = "6"
    & skf21("1","7","1","1","1","4","3","1") = "6"
    & skf21("1","7","1","1","1","4","4","1") = "6"
    & skf21("1","7","1","1","1","4","5","1") = "6"
    & skf21("1","7","1","1","1","4","6","1") = "6"
    & skf21("1","7","1","1","1","4","7","1") = "6"
    & skf21("1","7","1","1","1","5","1","1") = "6"
    & skf21("1","7","1","1","1","5","2","1") = "6"
    & skf21("1","7","1","1","1","5","3","1") = "6"
    & skf21("1","7","1","1","1","5","4","1") = "6"
    & skf21("1","7","1","1","1","5","5","1") = "6"
    & skf21("1","7","1","1","1","5","6","1") = "6"
    & skf21("1","7","1","1","1","5","7","1") = "6"
    & skf21("1","7","1","1","1","6","1","1") = "6"
    & skf21("1","7","1","1","1","6","2","1") = "6"
    & skf21("1","7","1","1","1","6","3","1") = "6"
    & skf21("1","7","1","1","1","6","4","1") = "6"
    & skf21("1","7","1","1","1","6","5","1") = "6"
    & skf21("1","7","1","1","1","6","6","1") = "6"
    & skf21("1","7","1","1","1","6","7","1") = "6"
    & skf21("1","7","1","1","1","7","1","1") = "6"
    & skf21("1","7","1","1","1","7","2","1") = "6"
    & skf21("1","7","1","1","1","7","3","1") = "6"
    & skf21("1","7","1","1","1","7","4","1") = "6"
    & skf21("1","7","1","1","1","7","5","1") = "6"
    & skf21("1","7","1","1","1","7","6","1") = "6"
    & skf21("1","7","1","1","1","7","7","1") = "6"
    & skf21("1","7","1","1","2","1","1","1") = "6"
    & skf21("1","7","1","1","2","1","2","1") = "6"
    & skf21("1","7","1","1","2","1","3","1") = "6"
    & skf21("1","7","1","1","2","1","4","1") = "6"
    & skf21("1","7","1","1","2","1","5","1") = "6"
    & skf21("1","7","1","1","2","1","6","1") = "6"
    & skf21("1","7","1","1","2","1","7","1") = "6"
    & skf21("1","7","1","1","2","2","1","1") = "6"
    & skf21("1","7","1","1","2","2","2","1") = "6"
    & skf21("1","7","1","1","2","2","3","1") = "6"
    & skf21("1","7","1","1","2","2","4","1") = "6"
    & skf21("1","7","1","1","2","2","5","1") = "6"
    & skf21("1","7","1","1","2","2","6","1") = "6"
    & skf21("1","7","1","1","2","2","7","1") = "6"
    & skf21("1","7","1","1","2","3","1","1") = "6"
    & skf21("1","7","1","1","2","3","2","1") = "6"
    & skf21("1","7","1","1","2","3","3","1") = "6"
    & skf21("1","7","1","1","2","3","4","1") = "6"
    & skf21("1","7","1","1","2","3","5","1") = "6"
    & skf21("1","7","1","1","2","3","6","1") = "6"
    & skf21("1","7","1","1","2","3","7","1") = "6"
    & skf21("1","7","1","1","2","4","1","1") = "6"
    & skf21("1","7","1","1","2","4","2","1") = "6"
    & skf21("1","7","1","1","2","4","3","1") = "6"
    & skf21("1","7","1","1","2","4","4","1") = "6"
    & skf21("1","7","1","1","2","4","5","1") = "6"
    & skf21("1","7","1","1","2","4","6","1") = "6"
    & skf21("1","7","1","1","2","4","7","1") = "6"
    & skf21("1","7","1","1","2","5","1","1") = "6"
    & skf21("1","7","1","1","2","5","2","1") = "6"
    & skf21("1","7","1","1","2","5","3","1") = "6"
    & skf21("1","7","1","1","2","5","4","1") = "6"
    & skf21("1","7","1","1","2","5","5","1") = "6"
    & skf21("1","7","1","1","2","5","6","1") = "6"
    & skf21("1","7","1","1","2","5","7","1") = "6"
    & skf21("1","7","1","1","2","6","1","1") = "6"
    & skf21("1","7","1","1","2","6","2","1") = "6"
    & skf21("1","7","1","1","2","6","3","1") = "6"
    & skf21("1","7","1","1","2","6","4","1") = "6"
    & skf21("1","7","1","1","2","6","5","1") = "6"
    & skf21("1","7","1","1","2","6","6","1") = "6"
    & skf21("1","7","1","1","2","6","7","1") = "6"
    & skf21("1","7","1","1","2","7","1","1") = "6"
    & skf21("1","7","1","1","2","7","2","1") = "6"
    & skf21("1","7","1","1","2","7","3","1") = "6"
    & skf21("1","7","1","1","2","7","4","1") = "6"
    & skf21("1","7","1","1","2","7","5","1") = "6"
    & skf21("1","7","1","1","2","7","6","1") = "6"
    & skf21("1","7","1","1","2","7","7","1") = "6"
    & skf21("1","7","1","1","3","1","1","1") = "6"
    & skf21("1","7","1","1","3","1","2","1") = "6"
    & skf21("1","7","1","1","3","1","3","1") = "6"
    & skf21("1","7","1","1","3","1","4","1") = "6"
    & skf21("1","7","1","1","3","1","5","1") = "6"
    & skf21("1","7","1","1","3","1","6","1") = "6"
    & skf21("1","7","1","1","3","1","7","1") = "6"
    & skf21("1","7","1","1","3","2","1","1") = "6"
    & skf21("1","7","1","1","3","2","2","1") = "6"
    & skf21("1","7","1","1","3","2","3","1") = "6"
    & skf21("1","7","1","1","3","2","4","1") = "6"
    & skf21("1","7","1","1","3","2","5","1") = "6"
    & skf21("1","7","1","1","3","2","6","1") = "6"
    & skf21("1","7","1","1","3","2","7","1") = "6"
    & skf21("1","7","1","1","3","3","1","1") = "6"
    & skf21("1","7","1","1","3","3","2","1") = "6"
    & skf21("1","7","1","1","3","3","3","1") = "6"
    & skf21("1","7","1","1","3","3","4","1") = "6"
    & skf21("1","7","1","1","3","3","5","1") = "6"
    & skf21("1","7","1","1","3","3","6","1") = "6"
    & skf21("1","7","1","1","3","3","7","1") = "6"
    & skf21("1","7","1","1","3","4","1","1") = "6"
    & skf21("1","7","1","1","3","4","2","1") = "6"
    & skf21("1","7","1","1","3","4","3","1") = "6"
    & skf21("1","7","1","1","3","4","4","1") = "6"
    & skf21("1","7","1","1","3","4","5","1") = "6"
    & skf21("1","7","1","1","3","4","6","1") = "6"
    & skf21("1","7","1","1","3","4","7","1") = "6"
    & skf21("1","7","1","1","3","5","1","1") = "6"
    & skf21("1","7","1","1","3","5","2","1") = "6"
    & skf21("1","7","1","1","3","5","3","1") = "6"
    & skf21("1","7","1","1","3","5","4","1") = "6"
    & skf21("1","7","1","1","3","5","5","1") = "6"
    & skf21("1","7","1","1","3","5","6","1") = "6"
    & skf21("1","7","1","1","3","5","7","1") = "6"
    & skf21("1","7","1","1","3","6","1","1") = "6"
    & skf21("1","7","1","1","3","6","2","1") = "6"
    & skf21("1","7","1","1","3","6","3","1") = "6"
    & skf21("1","7","1","1","3","6","4","1") = "6"
    & skf21("1","7","1","1","3","6","5","1") = "6"
    & skf21("1","7","1","1","3","6","6","1") = "6"
    & skf21("1","7","1","1","3","6","7","1") = "6"
    & skf21("1","7","1","1","3","7","1","1") = "6"
    & skf21("1","7","1","1","3","7","2","1") = "6"
    & skf21("1","7","1","1","3","7","3","1") = "6"
    & skf21("1","7","1","1","3","7","4","1") = "6"
    & skf21("1","7","1","1","3","7","5","1") = "6"
    & skf21("1","7","1","1","3","7","6","1") = "6"
    & skf21("1","7","1","1","3","7","7","1") = "6"
    & skf21("1","7","1","1","4","1","1","1") = "6"
    & skf21("1","7","1","1","4","1","2","1") = "6"
    & skf21("1","7","1","1","4","1","3","1") = "6"
    & skf21("1","7","1","1","4","1","4","1") = "6"
    & skf21("1","7","1","1","4","1","5","1") = "6"
    & skf21("1","7","1","1","4","1","6","1") = "6"
    & skf21("1","7","1","1","4","1","7","1") = "6"
    & skf21("1","7","1","1","4","2","1","1") = "6"
    & skf21("1","7","1","1","4","2","2","1") = "6"
    & skf21("1","7","1","1","4","2","3","1") = "6"
    & skf21("1","7","1","1","4","2","4","1") = "6"
    & skf21("1","7","1","1","4","2","5","1") = "6"
    & skf21("1","7","1","1","4","2","6","1") = "6"
    & skf21("1","7","1","1","4","2","7","1") = "6"
    & skf21("1","7","1","1","4","3","1","1") = "6"
    & skf21("1","7","1","1","4","3","2","1") = "6"
    & skf21("1","7","1","1","4","3","3","1") = "6"
    & skf21("1","7","1","1","4","3","4","1") = "6"
    & skf21("1","7","1","1","4","3","5","1") = "6"
    & skf21("1","7","1","1","4","3","6","1") = "6"
    & skf21("1","7","1","1","4","3","7","1") = "6"
    & skf21("1","7","1","1","4","4","1","1") = "6"
    & skf21("1","7","1","1","4","4","2","1") = "6"
    & skf21("1","7","1","1","4","4","3","1") = "6"
    & skf21("1","7","1","1","4","4","4","1") = "6"
    & skf21("1","7","1","1","4","4","5","1") = "6"
    & skf21("1","7","1","1","4","4","6","1") = "6"
    & skf21("1","7","1","1","4","4","7","1") = "6"
    & skf21("1","7","1","1","4","5","1","1") = "6"
    & skf21("1","7","1","1","4","5","2","1") = "6"
    & skf21("1","7","1","1","4","5","3","1") = "6"
    & skf21("1","7","1","1","4","5","4","1") = "6"
    & skf21("1","7","1","1","4","5","5","1") = "6"
    & skf21("1","7","1","1","4","5","6","1") = "6"
    & skf21("1","7","1","1","4","5","7","1") = "6"
    & skf21("1","7","1","1","4","6","1","1") = "6"
    & skf21("1","7","1","1","4","6","2","1") = "6"
    & skf21("1","7","1","1","4","6","3","1") = "6"
    & skf21("1","7","1","1","4","6","4","1") = "6"
    & skf21("1","7","1","1","4","6","5","1") = "6"
    & skf21("1","7","1","1","4","6","6","1") = "6"
    & skf21("1","7","1","1","4","6","7","1") = "6"
    & skf21("1","7","1","1","4","7","1","1") = "6"
    & skf21("1","7","1","1","4","7","2","1") = "6"
    & skf21("1","7","1","1","4","7","3","1") = "6"
    & skf21("1","7","1","1","4","7","4","1") = "6"
    & skf21("1","7","1","1","4","7","5","1") = "6"
    & skf21("1","7","1","1","4","7","6","1") = "6"
    & skf21("1","7","1","1","4","7","7","1") = "6"
    & skf21("1","7","1","1","5","1","1","1") = "6"
    & skf21("1","7","1","1","5","1","2","1") = "6"
    & skf21("1","7","1","1","5","1","3","1") = "6"
    & skf21("1","7","1","1","5","1","4","1") = "6"
    & skf21("1","7","1","1","5","1","5","1") = "6"
    & skf21("1","7","1","1","5","1","6","1") = "6"
    & skf21("1","7","1","1","5","1","7","1") = "6"
    & skf21("1","7","1","1","5","2","1","1") = "6"
    & skf21("1","7","1","1","5","2","2","1") = "6"
    & skf21("1","7","1","1","5","2","3","1") = "6"
    & skf21("1","7","1","1","5","2","4","1") = "6"
    & skf21("1","7","1","1","5","2","5","1") = "6"
    & skf21("1","7","1","1","5","2","6","1") = "6"
    & skf21("1","7","1","1","5","2","7","1") = "6"
    & skf21("1","7","1","1","5","3","1","1") = "6"
    & skf21("1","7","1","1","5","3","2","1") = "6"
    & skf21("1","7","1","1","5","3","3","1") = "6"
    & skf21("1","7","1","1","5","3","4","1") = "6"
    & skf21("1","7","1","1","5","3","5","1") = "6"
    & skf21("1","7","1","1","5","3","6","1") = "6"
    & skf21("1","7","1","1","5","3","7","1") = "6"
    & skf21("1","7","1","1","5","4","1","1") = "6"
    & skf21("1","7","1","1","5","4","2","1") = "6"
    & skf21("1","7","1","1","5","4","3","1") = "6"
    & skf21("1","7","1","1","5","4","4","1") = "6"
    & skf21("1","7","1","1","5","4","5","1") = "6"
    & skf21("1","7","1","1","5","4","6","1") = "6"
    & skf21("1","7","1","1","5","4","7","1") = "6"
    & skf21("1","7","1","1","5","5","1","1") = "6"
    & skf21("1","7","1","1","5","5","2","1") = "6"
    & skf21("1","7","1","1","5","5","3","1") = "6"
    & skf21("1","7","1","1","5","5","4","1") = "6"
    & skf21("1","7","1","1","5","5","5","1") = "6"
    & skf21("1","7","1","1","5","5","6","1") = "6"
    & skf21("1","7","1","1","5","5","7","1") = "6"
    & skf21("1","7","1","1","5","6","1","1") = "6"
    & skf21("1","7","1","1","5","6","2","1") = "6"
    & skf21("1","7","1","1","5","6","3","1") = "6"
    & skf21("1","7","1","1","5","6","4","1") = "6"
    & skf21("1","7","1","1","5","6","5","1") = "6"
    & skf21("1","7","1","1","5","6","6","1") = "6"
    & skf21("1","7","1","1","5","6","7","1") = "6"
    & skf21("1","7","1","1","5","7","1","1") = "6"
    & skf21("1","7","1","1","5","7","2","1") = "6"
    & skf21("1","7","1","1","5","7","3","1") = "6"
    & skf21("1","7","1","1","5","7","4","1") = "6"
    & skf21("1","7","1","1","5","7","5","1") = "6"
    & skf21("1","7","1","1","5","7","6","1") = "6"
    & skf21("1","7","1","1","5","7","7","1") = "6"
    & skf21("1","7","1","1","6","1","1","1") = "6"
    & skf21("1","7","1","1","6","1","2","1") = "6"
    & skf21("1","7","1","1","6","1","3","1") = "6"
    & skf21("1","7","1","1","6","1","4","1") = "6"
    & skf21("1","7","1","1","6","1","5","1") = "6"
    & skf21("1","7","1","1","6","1","6","1") = "6"
    & skf21("1","7","1","1","6","1","7","1") = "6"
    & skf21("1","7","1","1","6","2","1","1") = "6"
    & skf21("1","7","1","1","6","2","2","1") = "6"
    & skf21("1","7","1","1","6","2","3","1") = "6"
    & skf21("1","7","1","1","6","2","4","1") = "6"
    & skf21("1","7","1","1","6","2","5","1") = "6"
    & skf21("1","7","1","1","6","2","6","1") = "6"
    & skf21("1","7","1","1","6","2","7","1") = "6"
    & skf21("1","7","1","1","6","3","1","1") = "6"
    & skf21("1","7","1","1","6","3","2","1") = "6"
    & skf21("1","7","1","1","6","3","3","1") = "6"
    & skf21("1","7","1","1","6","3","4","1") = "6"
    & skf21("1","7","1","1","6","3","5","1") = "6"
    & skf21("1","7","1","1","6","3","6","1") = "6"
    & skf21("1","7","1","1","6","3","7","1") = "6"
    & skf21("1","7","1","1","6","4","1","1") = "6"
    & skf21("1","7","1","1","6","4","2","1") = "6"
    & skf21("1","7","1","1","6","4","3","1") = "6"
    & skf21("1","7","1","1","6","4","4","1") = "6"
    & skf21("1","7","1","1","6","4","5","1") = "6"
    & skf21("1","7","1","1","6","4","6","1") = "6"
    & skf21("1","7","1","1","6","4","7","1") = "6"
    & skf21("1","7","1","1","6","5","1","1") = "6"
    & skf21("1","7","1","1","6","5","2","1") = "6"
    & skf21("1","7","1","1","6","5","3","1") = "6"
    & skf21("1","7","1","1","6","5","4","1") = "6"
    & skf21("1","7","1","1","6","5","5","1") = "6"
    & skf21("1","7","1","1","6","5","6","1") = "6"
    & skf21("1","7","1","1","6","5","7","1") = "6"
    & skf21("1","7","1","1","6","6","1","1") = "6"
    & skf21("1","7","1","1","6","6","2","1") = "6"
    & skf21("1","7","1","1","6","6","3","1") = "6"
    & skf21("1","7","1","1","6","6","4","1") = "6"
    & skf21("1","7","1","1","6","6","5","1") = "6"
    & skf21("1","7","1","1","6","6","6","1") = "6"
    & skf21("1","7","1","1","6","6","7","1") = "6"
    & skf21("1","7","1","1","6","7","1","1") = "6"
    & skf21("1","7","1","1","6","7","2","1") = "6"
    & skf21("1","7","1","1","6","7","3","1") = "6"
    & skf21("1","7","1","1","6","7","4","1") = "6"
    & skf21("1","7","1","1","6","7","5","1") = "6"
    & skf21("1","7","1","1","6","7","6","1") = "6"
    & skf21("1","7","1","1","6","7","7","1") = "6"
    & skf21("1","7","1","1","7","1","1","1") = "6"
    & skf21("1","7","1","1","7","1","2","1") = "6"
    & skf21("1","7","1","1","7","1","3","1") = "6"
    & skf21("1","7","1","1","7","1","4","1") = "6"
    & skf21("1","7","1","1","7","1","5","1") = "6"
    & skf21("1","7","1","1","7","1","6","1") = "6"
    & skf21("1","7","1","1","7","1","7","1") = "6"
    & skf21("1","7","1","1","7","2","1","1") = "6"
    & skf21("1","7","1","1","7","2","2","1") = "6"
    & skf21("1","7","1","1","7","2","3","1") = "6"
    & skf21("1","7","1","1","7","2","4","1") = "6"
    & skf21("1","7","1","1","7","2","5","1") = "6"
    & skf21("1","7","1","1","7","2","6","1") = "6"
    & skf21("1","7","1","1","7","2","7","1") = "6"
    & skf21("1","7","1","1","7","3","1","1") = "6"
    & skf21("1","7","1","1","7","3","2","1") = "6"
    & skf21("1","7","1","1","7","3","3","1") = "6"
    & skf21("1","7","1","1","7","3","4","1") = "6"
    & skf21("1","7","1","1","7","3","5","1") = "6"
    & skf21("1","7","1","1","7","3","6","1") = "6"
    & skf21("1","7","1","1","7","3","7","1") = "6"
    & skf21("1","7","1","1","7","4","1","1") = "6"
    & skf21("1","7","1","1","7","4","2","1") = "6"
    & skf21("1","7","1","1","7","4","3","1") = "6"
    & skf21("1","7","1","1","7","4","4","1") = "6"
    & skf21("1","7","1","1","7","4","5","1") = "6"
    & skf21("1","7","1","1","7","4","6","1") = "6"
    & skf21("1","7","1","1","7","4","7","1") = "6"
    & skf21("1","7","1","1","7","5","1","1") = "6"
    & skf21("1","7","1","1","7","5","2","1") = "6"
    & skf21("1","7","1","1","7","5","3","1") = "6"
    & skf21("1","7","1","1","7","5","4","1") = "6"
    & skf21("1","7","1","1","7","5","5","1") = "6"
    & skf21("1","7","1","1","7","5","6","1") = "6"
    & skf21("1","7","1","1","7","5","7","1") = "6"
    & skf21("1","7","1","1","7","6","1","1") = "6"
    & skf21("1","7","1","1","7","6","2","1") = "6"
    & skf21("1","7","1","1","7","6","3","1") = "6"
    & skf21("1","7","1","1","7","6","4","1") = "6"
    & skf21("1","7","1","1","7","6","5","1") = "6"
    & skf21("1","7","1","1","7","6","6","1") = "6"
    & skf21("1","7","1","1","7","6","7","1") = "6"
    & skf21("1","7","1","1","7","7","1","1") = "6"
    & skf21("1","7","1","1","7","7","2","1") = "6"
    & skf21("1","7","1","1","7","7","3","1") = "6"
    & skf21("1","7","1","1","7","7","4","1") = "6"
    & skf21("1","7","1","1","7","7","5","1") = "6"
    & skf21("1","7","1","1","7","7","6","1") = "6"
    & skf21("1","7","1","1","7","7","7","1") = "6"
    & skf21("1","7","1","2","1","1","1","1") = "6"
    & skf21("1","7","1","2","1","1","2","1") = "6"
    & skf21("1","7","1","2","1","1","3","1") = "6"
    & skf21("1","7","1","2","1","1","4","1") = "6"
    & skf21("1","7","1","2","1","1","5","1") = "6"
    & skf21("1","7","1","2","1","1","6","1") = "6"
    & skf21("1","7","1","2","1","1","7","1") = "6"
    & skf21("1","7","1","2","1","2","1","1") = "6"
    & skf21("1","7","1","2","1","2","2","1") = "6"
    & skf21("1","7","1","2","1","2","3","1") = "6"
    & skf21("1","7","1","2","1","2","4","1") = "6"
    & skf21("1","7","1","2","1","2","5","1") = "6"
    & skf21("1","7","1","2","1","2","6","1") = "6"
    & skf21("1","7","1","2","1","2","7","1") = "6"
    & skf21("1","7","1","2","1","3","1","1") = "6"
    & skf21("1","7","1","2","1","3","2","1") = "6"
    & skf21("1","7","1","2","1","3","3","1") = "6"
    & skf21("1","7","1","2","1","3","4","1") = "6"
    & skf21("1","7","1","2","1","3","5","1") = "6"
    & skf21("1","7","1","2","1","3","6","1") = "6"
    & skf21("1","7","1","2","1","3","7","1") = "6"
    & skf21("1","7","1","2","1","4","1","1") = "6"
    & skf21("1","7","1","2","1","4","2","1") = "6"
    & skf21("1","7","1","2","1","4","3","1") = "6"
    & skf21("1","7","1","2","1","4","4","1") = "6"
    & skf21("1","7","1","2","1","4","5","1") = "6"
    & skf21("1","7","1","2","1","4","6","1") = "6"
    & skf21("1","7","1","2","1","4","7","1") = "6"
    & skf21("1","7","1","2","1","5","1","1") = "6"
    & skf21("1","7","1","2","1","5","2","1") = "6"
    & skf21("1","7","1","2","1","5","3","1") = "6"
    & skf21("1","7","1","2","1","5","4","1") = "6"
    & skf21("1","7","1","2","1","5","5","1") = "6"
    & skf21("1","7","1","2","1","5","6","1") = "6"
    & skf21("1","7","1","2","1","5","7","1") = "6"
    & skf21("1","7","1","2","1","6","1","1") = "6"
    & skf21("1","7","1","2","1","6","2","1") = "6"
    & skf21("1","7","1","2","1","6","3","1") = "6"
    & skf21("1","7","1","2","1","6","4","1") = "6"
    & skf21("1","7","1","2","1","6","5","1") = "6"
    & skf21("1","7","1","2","1","6","6","1") = "6"
    & skf21("1","7","1","2","1","6","7","1") = "6"
    & skf21("1","7","1","2","1","7","1","1") = "6"
    & skf21("1","7","1","2","1","7","2","1") = "6"
    & skf21("1","7","1","2","1","7","3","1") = "6"
    & skf21("1","7","1","2","1","7","4","1") = "6"
    & skf21("1","7","1","2","1","7","5","1") = "6"
    & skf21("1","7","1","2","1","7","6","1") = "6"
    & skf21("1","7","1","2","1","7","7","1") = "6"
    & skf21("1","7","1","2","2","1","1","1") = "6"
    & skf21("1","7","1","2","2","1","2","1") = "6"
    & skf21("1","7","1","2","2","1","3","1") = "6"
    & skf21("1","7","1","2","2","1","4","1") = "6"
    & skf21("1","7","1","2","2","1","5","1") = "6"
    & skf21("1","7","1","2","2","1","6","1") = "6"
    & skf21("1","7","1","2","2","1","7","1") = "6"
    & skf21("1","7","1","2","2","2","1","1") = "6"
    & skf21("1","7","1","2","2","2","2","1") = "6"
    & skf21("1","7","1","2","2","2","3","1") = "6"
    & skf21("1","7","1","2","2","2","4","1") = "6"
    & skf21("1","7","1","2","2","2","5","1") = "6"
    & skf21("1","7","1","2","2","2","6","1") = "6"
    & skf21("1","7","1","2","2","2","7","1") = "6"
    & skf21("1","7","1","2","2","3","1","1") = "6"
    & skf21("1","7","1","2","2","3","2","1") = "6"
    & skf21("1","7","1","2","2","3","3","1") = "6"
    & skf21("1","7","1","2","2","3","4","1") = "6"
    & skf21("1","7","1","2","2","3","5","1") = "6"
    & skf21("1","7","1","2","2","3","6","1") = "6"
    & skf21("1","7","1","2","2","3","7","1") = "6"
    & skf21("1","7","1","2","2","4","1","1") = "6"
    & skf21("1","7","1","2","2","4","2","1") = "6"
    & skf21("1","7","1","2","2","4","3","1") = "6"
    & skf21("1","7","1","2","2","4","4","1") = "6"
    & skf21("1","7","1","2","2","4","5","1") = "6"
    & skf21("1","7","1","2","2","4","6","1") = "6"
    & skf21("1","7","1","2","2","4","7","1") = "6"
    & skf21("1","7","1","2","2","5","1","1") = "6"
    & skf21("1","7","1","2","2","5","2","1") = "6"
    & skf21("1","7","1","2","2","5","3","1") = "6"
    & skf21("1","7","1","2","2","5","4","1") = "6"
    & skf21("1","7","1","2","2","5","5","1") = "6"
    & skf21("1","7","1","2","2","5","6","1") = "6"
    & skf21("1","7","1","2","2","5","7","1") = "6"
    & skf21("1","7","1","2","2","6","1","1") = "6"
    & skf21("1","7","1","2","2","6","2","1") = "6"
    & skf21("1","7","1","2","2","6","3","1") = "6"
    & skf21("1","7","1","2","2","6","4","1") = "6"
    & skf21("1","7","1","2","2","6","5","1") = "6"
    & skf21("1","7","1","2","2","6","6","1") = "6"
    & skf21("1","7","1","2","2","6","7","1") = "6"
    & skf21("1","7","1","2","2","7","1","1") = "6"
    & skf21("1","7","1","2","2","7","2","1") = "6"
    & skf21("1","7","1","2","2","7","3","1") = "6"
    & skf21("1","7","1","2","2","7","4","1") = "6"
    & skf21("1","7","1","2","2","7","5","1") = "6"
    & skf21("1","7","1","2","2","7","6","1") = "6"
    & skf21("1","7","1","2","2","7","7","1") = "6"
    & skf21("1","7","1","2","3","1","1","1") = "6"
    & skf21("1","7","1","2","3","1","2","1") = "6"
    & skf21("1","7","1","2","3","1","3","1") = "6"
    & skf21("1","7","1","2","3","1","4","1") = "6"
    & skf21("1","7","1","2","3","1","5","1") = "6"
    & skf21("1","7","1","2","3","1","6","1") = "6"
    & skf21("1","7","1","2","3","1","7","1") = "6"
    & skf21("1","7","1","2","3","2","1","1") = "6"
    & skf21("1","7","1","2","3","2","2","1") = "6"
    & skf21("1","7","1","2","3","2","3","1") = "6"
    & skf21("1","7","1","2","3","2","4","1") = "6"
    & skf21("1","7","1","2","3","2","5","1") = "6"
    & skf21("1","7","1","2","3","2","6","1") = "6"
    & skf21("1","7","1","2","3","2","7","1") = "6"
    & skf21("1","7","1","2","3","3","1","1") = "6"
    & skf21("1","7","1","2","3","3","2","1") = "6"
    & skf21("1","7","1","2","3","3","3","1") = "6"
    & skf21("1","7","1","2","3","3","4","1") = "6"
    & skf21("1","7","1","2","3","3","5","1") = "6"
    & skf21("1","7","1","2","3","3","6","1") = "6"
    & skf21("1","7","1","2","3","3","7","1") = "6"
    & skf21("1","7","1","2","3","4","1","1") = "6"
    & skf21("1","7","1","2","3","4","2","1") = "6"
    & skf21("1","7","1","2","3","4","3","1") = "6"
    & skf21("1","7","1","2","3","4","4","1") = "6"
    & skf21("1","7","1","2","3","4","5","1") = "6"
    & skf21("1","7","1","2","3","4","6","1") = "6"
    & skf21("1","7","1","2","3","4","7","1") = "6"
    & skf21("1","7","1","2","3","5","1","1") = "6"
    & skf21("1","7","1","2","3","5","2","1") = "6"
    & skf21("1","7","1","2","3","5","3","1") = "6"
    & skf21("1","7","1","2","3","5","4","1") = "6"
    & skf21("1","7","1","2","3","5","5","1") = "6"
    & skf21("1","7","1","2","3","5","6","1") = "6"
    & skf21("1","7","1","2","3","5","7","1") = "6"
    & skf21("1","7","1","2","3","6","1","1") = "6"
    & skf21("1","7","1","2","3","6","2","1") = "6"
    & skf21("1","7","1","2","3","6","3","1") = "6"
    & skf21("1","7","1","2","3","6","4","1") = "6"
    & skf21("1","7","1","2","3","6","5","1") = "6"
    & skf21("1","7","1","2","3","6","6","1") = "6"
    & skf21("1","7","1","2","3","6","7","1") = "6"
    & skf21("1","7","1","2","3","7","1","1") = "6"
    & skf21("1","7","1","2","3","7","2","1") = "6"
    & skf21("1","7","1","2","3","7","3","1") = "6"
    & skf21("1","7","1","2","3","7","4","1") = "6"
    & skf21("1","7","1","2","3","7","5","1") = "6"
    & skf21("1","7","1","2","3","7","6","1") = "6"
    & skf21("1","7","1","2","3","7","7","1") = "6"
    & skf21("1","7","1","2","4","1","1","1") = "6"
    & skf21("1","7","1","2","4","1","2","1") = "6"
    & skf21("1","7","1","2","4","1","3","1") = "6"
    & skf21("1","7","1","2","4","1","4","1") = "6"
    & skf21("1","7","1","2","4","1","5","1") = "6"
    & skf21("1","7","1","2","4","1","6","1") = "6"
    & skf21("1","7","1","2","4","1","7","1") = "6"
    & skf21("1","7","1","2","4","2","1","1") = "6"
    & skf21("1","7","1","2","4","2","2","1") = "6"
    & skf21("1","7","1","2","4","2","3","1") = "6"
    & skf21("1","7","1","2","4","2","4","1") = "6"
    & skf21("1","7","1","2","4","2","5","1") = "6"
    & skf21("1","7","1","2","4","2","6","1") = "6"
    & skf21("1","7","1","2","4","2","7","1") = "6"
    & skf21("1","7","1","2","4","3","1","1") = "6"
    & skf21("1","7","1","2","4","3","2","1") = "6"
    & skf21("1","7","1","2","4","3","3","1") = "6"
    & skf21("1","7","1","2","4","3","4","1") = "6"
    & skf21("1","7","1","2","4","3","5","1") = "6"
    & skf21("1","7","1","2","4","3","6","1") = "6"
    & skf21("1","7","1","2","4","3","7","1") = "6"
    & skf21("1","7","1","2","4","4","1","1") = "6"
    & skf21("1","7","1","2","4","4","2","1") = "6"
    & skf21("1","7","1","2","4","4","3","1") = "6"
    & skf21("1","7","1","2","4","4","4","1") = "6"
    & skf21("1","7","1","2","4","4","5","1") = "6"
    & skf21("1","7","1","2","4","4","6","1") = "6"
    & skf21("1","7","1","2","4","4","7","1") = "6"
    & skf21("1","7","1","2","4","5","1","1") = "6"
    & skf21("1","7","1","2","4","5","2","1") = "6"
    & skf21("1","7","1","2","4","5","3","1") = "6"
    & skf21("1","7","1","2","4","5","4","1") = "6"
    & skf21("1","7","1","2","4","5","5","1") = "6"
    & skf21("1","7","1","2","4","5","6","1") = "6"
    & skf21("1","7","1","2","4","5","7","1") = "6"
    & skf21("1","7","1","2","4","6","1","1") = "6"
    & skf21("1","7","1","2","4","6","2","1") = "6"
    & skf21("1","7","1","2","4","6","3","1") = "6"
    & skf21("1","7","1","2","4","6","4","1") = "6"
    & skf21("1","7","1","2","4","6","5","1") = "6"
    & skf21("1","7","1","2","4","6","6","1") = "6"
    & skf21("1","7","1","2","4","6","7","1") = "6"
    & skf21("1","7","1","2","4","7","1","1") = "6"
    & skf21("1","7","1","2","4","7","2","1") = "6"
    & skf21("1","7","1","2","4","7","3","1") = "6"
    & skf21("1","7","1","2","4","7","4","1") = "6"
    & skf21("1","7","1","2","4","7","5","1") = "6"
    & skf21("1","7","1","2","4","7","6","1") = "6"
    & skf21("1","7","1","2","4","7","7","1") = "6"
    & skf21("1","7","1","2","5","1","1","1") = "6"
    & skf21("1","7","1","2","5","1","2","1") = "6"
    & skf21("1","7","1","2","5","1","3","1") = "6"
    & skf21("1","7","1","2","5","1","4","1") = "6"
    & skf21("1","7","1","2","5","1","5","1") = "6"
    & skf21("1","7","1","2","5","1","6","1") = "6"
    & skf21("1","7","1","2","5","1","7","1") = "6"
    & skf21("1","7","1","2","5","2","1","1") = "6"
    & skf21("1","7","1","2","5","2","2","1") = "6"
    & skf21("1","7","1","2","5","2","3","1") = "6"
    & skf21("1","7","1","2","5","2","4","1") = "6"
    & skf21("1","7","1","2","5","2","5","1") = "6"
    & skf21("1","7","1","2","5","2","6","1") = "6"
    & skf21("1","7","1","2","5","2","7","1") = "6"
    & skf21("1","7","1","2","5","3","1","1") = "6"
    & skf21("1","7","1","2","5","3","2","1") = "6"
    & skf21("1","7","1","2","5","3","3","1") = "6"
    & skf21("1","7","1","2","5","3","4","1") = "6"
    & skf21("1","7","1","2","5","3","5","1") = "6"
    & skf21("1","7","1","2","5","3","6","1") = "6"
    & skf21("1","7","1","2","5","3","7","1") = "6"
    & skf21("1","7","1","2","5","4","1","1") = "6"
    & skf21("1","7","1","2","5","4","2","1") = "6"
    & skf21("1","7","1","2","5","4","3","1") = "6"
    & skf21("1","7","1","2","5","4","4","1") = "6"
    & skf21("1","7","1","2","5","4","5","1") = "6"
    & skf21("1","7","1","2","5","4","6","1") = "6"
    & skf21("1","7","1","2","5","4","7","1") = "6"
    & skf21("1","7","1","2","5","5","1","1") = "6"
    & skf21("1","7","1","2","5","5","2","1") = "6"
    & skf21("1","7","1","2","5","5","3","1") = "6"
    & skf21("1","7","1","2","5","5","4","1") = "6"
    & skf21("1","7","1","2","5","5","5","1") = "6"
    & skf21("1","7","1","2","5","5","6","1") = "6"
    & skf21("1","7","1","2","5","5","7","1") = "6"
    & skf21("1","7","1","2","5","6","1","1") = "6"
    & skf21("1","7","1","2","5","6","2","1") = "6"
    & skf21("1","7","1","2","5","6","3","1") = "6"
    & skf21("1","7","1","2","5","6","4","1") = "6"
    & skf21("1","7","1","2","5","6","5","1") = "6"
    & skf21("1","7","1","2","5","6","6","1") = "6"
    & skf21("1","7","1","2","5","6","7","1") = "6"
    & skf21("1","7","1","2","5","7","1","1") = "6"
    & skf21("1","7","1","2","5","7","2","1") = "6"
    & skf21("1","7","1","2","5","7","3","1") = "6"
    & skf21("1","7","1","2","5","7","4","1") = "6"
    & skf21("1","7","1","2","5","7","5","1") = "6"
    & skf21("1","7","1","2","5","7","6","1") = "6"
    & skf21("1","7","1","2","5","7","7","1") = "6"
    & skf21("1","7","1","2","6","1","1","1") = "6"
    & skf21("1","7","1","2","6","1","2","1") = "6"
    & skf21("1","7","1","2","6","1","3","1") = "6"
    & skf21("1","7","1","2","6","1","4","1") = "6"
    & skf21("1","7","1","2","6","1","5","1") = "6"
    & skf21("1","7","1","2","6","1","6","1") = "6"
    & skf21("1","7","1","2","6","1","7","1") = "6"
    & skf21("1","7","1","2","6","2","1","1") = "6"
    & skf21("1","7","1","2","6","2","2","1") = "6"
    & skf21("1","7","1","2","6","2","3","1") = "6"
    & skf21("1","7","1","2","6","2","4","1") = "6"
    & skf21("1","7","1","2","6","2","5","1") = "6"
    & skf21("1","7","1","2","6","2","6","1") = "6"
    & skf21("1","7","1","2","6","2","7","1") = "6"
    & skf21("1","7","1","2","6","3","1","1") = "6"
    & skf21("1","7","1","2","6","3","2","1") = "6"
    & skf21("1","7","1","2","6","3","3","1") = "6"
    & skf21("1","7","1","2","6","3","4","1") = "6"
    & skf21("1","7","1","2","6","3","5","1") = "6"
    & skf21("1","7","1","2","6","3","6","1") = "6"
    & skf21("1","7","1","2","6","3","7","1") = "6"
    & skf21("1","7","1","2","6","4","1","1") = "6"
    & skf21("1","7","1","2","6","4","2","1") = "6"
    & skf21("1","7","1","2","6","4","3","1") = "6"
    & skf21("1","7","1","2","6","4","4","1") = "6"
    & skf21("1","7","1","2","6","4","5","1") = "6"
    & skf21("1","7","1","2","6","4","6","1") = "6"
    & skf21("1","7","1","2","6","4","7","1") = "6"
    & skf21("1","7","1","2","6","5","1","1") = "6"
    & skf21("1","7","1","2","6","5","2","1") = "6"
    & skf21("1","7","1","2","6","5","3","1") = "6"
    & skf21("1","7","1","2","6","5","4","1") = "6"
    & skf21("1","7","1","2","6","5","5","1") = "6"
    & skf21("1","7","1","2","6","5","6","1") = "6"
    & skf21("1","7","1","2","6","5","7","1") = "6"
    & skf21("1","7","1","2","6","6","1","1") = "6"
    & skf21("1","7","1","2","6","6","2","1") = "6"
    & skf21("1","7","1","2","6","6","3","1") = "6"
    & skf21("1","7","1","2","6","6","4","1") = "6"
    & skf21("1","7","1","2","6","6","5","1") = "6"
    & skf21("1","7","1","2","6","6","6","1") = "6"
    & skf21("1","7","1","2","6","6","7","1") = "6"
    & skf21("1","7","1","2","6","7","1","1") = "6"
    & skf21("1","7","1","2","6","7","2","1") = "6"
    & skf21("1","7","1","2","6","7","3","1") = "6"
    & skf21("1","7","1","2","6","7","4","1") = "6"
    & skf21("1","7","1","2","6","7","5","1") = "6"
    & skf21("1","7","1","2","6","7","6","1") = "6"
    & skf21("1","7","1","2","6","7","7","1") = "6"
    & skf21("1","7","1","2","7","1","1","1") = "6"
    & skf21("1","7","1","2","7","1","2","1") = "6"
    & skf21("1","7","1","2","7","1","3","1") = "6"
    & skf21("1","7","1","2","7","1","4","1") = "6"
    & skf21("1","7","1","2","7","1","5","1") = "6"
    & skf21("1","7","1","2","7","1","6","1") = "6"
    & skf21("1","7","1","2","7","1","7","1") = "6"
    & skf21("1","7","1","2","7","2","1","1") = "6"
    & skf21("1","7","1","2","7","2","2","1") = "6"
    & skf21("1","7","1","2","7","2","3","1") = "6"
    & skf21("1","7","1","2","7","2","4","1") = "6"
    & skf21("1","7","1","2","7","2","5","1") = "6"
    & skf21("1","7","1","2","7","2","6","1") = "6"
    & skf21("1","7","1","2","7","2","7","1") = "6"
    & skf21("1","7","1","2","7","3","1","1") = "6"
    & skf21("1","7","1","2","7","3","2","1") = "6"
    & skf21("1","7","1","2","7","3","3","1") = "6"
    & skf21("1","7","1","2","7","3","4","1") = "6"
    & skf21("1","7","1","2","7","3","5","1") = "6"
    & skf21("1","7","1","2","7","3","6","1") = "6"
    & skf21("1","7","1","2","7","3","7","1") = "6"
    & skf21("1","7","1","2","7","4","1","1") = "6"
    & skf21("1","7","1","2","7","4","2","1") = "6"
    & skf21("1","7","1","2","7","4","3","1") = "6"
    & skf21("1","7","1","2","7","4","4","1") = "6"
    & skf21("1","7","1","2","7","4","5","1") = "6"
    & skf21("1","7","1","2","7","4","6","1") = "6"
    & skf21("1","7","1","2","7","4","7","1") = "6"
    & skf21("1","7","1","2","7","5","1","1") = "6"
    & skf21("1","7","1","2","7","5","2","1") = "6"
    & skf21("1","7","1","2","7","5","3","1") = "6"
    & skf21("1","7","1","2","7","5","4","1") = "6"
    & skf21("1","7","1","2","7","5","5","1") = "6"
    & skf21("1","7","1","2","7","5","6","1") = "6"
    & skf21("1","7","1","2","7","5","7","1") = "6"
    & skf21("1","7","1","2","7","6","1","1") = "6"
    & skf21("1","7","1","2","7","6","2","1") = "6"
    & skf21("1","7","1","2","7","6","3","1") = "6"
    & skf21("1","7","1","2","7","6","4","1") = "6"
    & skf21("1","7","1","2","7","6","5","1") = "6"
    & skf21("1","7","1","2","7","6","6","1") = "6"
    & skf21("1","7","1","2","7","6","7","1") = "6"
    & skf21("1","7","1","2","7","7","1","1") = "6"
    & skf21("1","7","1","2","7","7","2","1") = "6"
    & skf21("1","7","1","2","7","7","3","1") = "6"
    & skf21("1","7","1","2","7","7","4","1") = "6"
    & skf21("1","7","1","2","7","7","5","1") = "6"
    & skf21("1","7","1","2","7","7","6","1") = "6"
    & skf21("1","7","1","2","7","7","7","1") = "6"
    & skf21("1","7","1","3","1","1","1","1") = "6"
    & skf21("1","7","1","3","1","1","2","1") = "6"
    & skf21("1","7","1","3","1","1","3","1") = "6"
    & skf21("1","7","1","3","1","1","4","1") = "6"
    & skf21("1","7","1","3","1","1","5","1") = "6"
    & skf21("1","7","1","3","1","1","6","1") = "6"
    & skf21("1","7","1","3","1","1","7","1") = "6"
    & skf21("1","7","1","3","1","2","1","1") = "6"
    & skf21("1","7","1","3","1","2","2","1") = "6"
    & skf21("1","7","1","3","1","2","3","1") = "6"
    & skf21("1","7","1","3","1","2","4","1") = "6"
    & skf21("1","7","1","3","1","2","5","1") = "6"
    & skf21("1","7","1","3","1","2","6","1") = "6"
    & skf21("1","7","1","3","1","2","7","1") = "6"
    & skf21("1","7","1","3","1","3","1","1") = "6"
    & skf21("1","7","1","3","1","3","2","1") = "6"
    & skf21("1","7","1","3","1","3","3","1") = "6"
    & skf21("1","7","1","3","1","3","4","1") = "6"
    & skf21("1","7","1","3","1","3","5","1") = "6"
    & skf21("1","7","1","3","1","3","6","1") = "6"
    & skf21("1","7","1","3","1","3","7","1") = "6"
    & skf21("1","7","1","3","1","4","1","1") = "6"
    & skf21("1","7","1","3","1","4","2","1") = "6"
    & skf21("1","7","1","3","1","4","3","1") = "6"
    & skf21("1","7","1","3","1","4","4","1") = "6"
    & skf21("1","7","1","3","1","4","5","1") = "6"
    & skf21("1","7","1","3","1","4","6","1") = "6"
    & skf21("1","7","1","3","1","4","7","1") = "6"
    & skf21("1","7","1","3","1","5","1","1") = "6"
    & skf21("1","7","1","3","1","5","2","1") = "6"
    & skf21("1","7","1","3","1","5","3","1") = "6"
    & skf21("1","7","1","3","1","5","4","1") = "6"
    & skf21("1","7","1","3","1","5","5","1") = "6"
    & skf21("1","7","1","3","1","5","6","1") = "6"
    & skf21("1","7","1","3","1","5","7","1") = "6"
    & skf21("1","7","1","3","1","6","1","1") = "6"
    & skf21("1","7","1","3","1","6","2","1") = "6"
    & skf21("1","7","1","3","1","6","3","1") = "6"
    & skf21("1","7","1","3","1","6","4","1") = "6"
    & skf21("1","7","1","3","1","6","5","1") = "6"
    & skf21("1","7","1","3","1","6","6","1") = "6"
    & skf21("1","7","1","3","1","6","7","1") = "6"
    & skf21("1","7","1","3","1","7","1","1") = "6"
    & skf21("1","7","1","3","1","7","2","1") = "6"
    & skf21("1","7","1","3","1","7","3","1") = "6"
    & skf21("1","7","1","3","1","7","4","1") = "6"
    & skf21("1","7","1","3","1","7","5","1") = "6"
    & skf21("1","7","1","3","1","7","6","1") = "6"
    & skf21("1","7","1","3","1","7","7","1") = "6"
    & skf21("1","7","1","3","2","1","1","1") = "6"
    & skf21("1","7","1","3","2","1","2","1") = "6"
    & skf21("1","7","1","3","2","1","3","1") = "6"
    & skf21("1","7","1","3","2","1","4","1") = "6"
    & skf21("1","7","1","3","2","1","5","1") = "6"
    & skf21("1","7","1","3","2","1","6","1") = "6"
    & skf21("1","7","1","3","2","1","7","1") = "6"
    & skf21("1","7","1","3","2","2","1","1") = "6"
    & skf21("1","7","1","3","2","2","2","1") = "6"
    & skf21("1","7","1","3","2","2","3","1") = "6"
    & skf21("1","7","1","3","2","2","4","1") = "6"
    & skf21("1","7","1","3","2","2","5","1") = "6"
    & skf21("1","7","1","3","2","2","6","1") = "6"
    & skf21("1","7","1","3","2","2","7","1") = "6"
    & skf21("1","7","1","3","2","3","1","1") = "6"
    & skf21("1","7","1","3","2","3","2","1") = "6"
    & skf21("1","7","1","3","2","3","3","1") = "6"
    & skf21("1","7","1","3","2","3","4","1") = "6"
    & skf21("1","7","1","3","2","3","5","1") = "6"
    & skf21("1","7","1","3","2","3","6","1") = "6"
    & skf21("1","7","1","3","2","3","7","1") = "6"
    & skf21("1","7","1","3","2","4","1","1") = "6"
    & skf21("1","7","1","3","2","4","2","1") = "6"
    & skf21("1","7","1","3","2","4","3","1") = "6"
    & skf21("1","7","1","3","2","4","4","1") = "6"
    & skf21("1","7","1","3","2","4","5","1") = "6"
    & skf21("1","7","1","3","2","4","6","1") = "6"
    & skf21("1","7","1","3","2","4","7","1") = "6"
    & skf21("1","7","1","3","2","5","1","1") = "6"
    & skf21("1","7","1","3","2","5","2","1") = "6"
    & skf21("1","7","1","3","2","5","3","1") = "6"
    & skf21("1","7","1","3","2","5","4","1") = "6"
    & skf21("1","7","1","3","2","5","5","1") = "6"
    & skf21("1","7","1","3","2","5","6","1") = "6"
    & skf21("1","7","1","3","2","5","7","1") = "6"
    & skf21("1","7","1","3","2","6","1","1") = "6"
    & skf21("1","7","1","3","2","6","2","1") = "6"
    & skf21("1","7","1","3","2","6","3","1") = "6"
    & skf21("1","7","1","3","2","6","4","1") = "6"
    & skf21("1","7","1","3","2","6","5","1") = "6"
    & skf21("1","7","1","3","2","6","6","1") = "6"
    & skf21("1","7","1","3","2","6","7","1") = "6"
    & skf21("1","7","1","3","2","7","1","1") = "6"
    & skf21("1","7","1","3","2","7","2","1") = "6"
    & skf21("1","7","1","3","2","7","3","1") = "6"
    & skf21("1","7","1","3","2","7","4","1") = "6"
    & skf21("1","7","1","3","2","7","5","1") = "6"
    & skf21("1","7","1","3","2","7","6","1") = "6"
    & skf21("1","7","1","3","2","7","7","1") = "6"
    & skf21("1","7","1","3","3","1","1","1") = "6"
    & skf21("1","7","1","3","3","1","2","1") = "6"
    & skf21("1","7","1","3","3","1","3","1") = "6"
    & skf21("1","7","1","3","3","1","4","1") = "6"
    & skf21("1","7","1","3","3","1","5","1") = "6"
    & skf21("1","7","1","3","3","1","6","1") = "6"
    & skf21("1","7","1","3","3","1","7","1") = "6"
    & skf21("1","7","1","3","3","2","1","1") = "6"
    & skf21("1","7","1","3","3","2","2","1") = "6"
    & skf21("1","7","1","3","3","2","3","1") = "6"
    & skf21("1","7","1","3","3","2","4","1") = "6"
    & skf21("1","7","1","3","3","2","5","1") = "6"
    & skf21("1","7","1","3","3","2","6","1") = "6"
    & skf21("1","7","1","3","3","2","7","1") = "6"
    & skf21("1","7","1","3","3","3","1","1") = "6"
    & skf21("1","7","1","3","3","3","2","1") = "6"
    & skf21("1","7","1","3","3","3","3","1") = "6"
    & skf21("1","7","1","3","3","3","4","1") = "6"
    & skf21("1","7","1","3","3","3","5","1") = "6"
    & skf21("1","7","1","3","3","3","6","1") = "6"
    & skf21("1","7","1","3","3","3","7","1") = "6"
    & skf21("1","7","1","3","3","4","1","1") = "6"
    & skf21("1","7","1","3","3","4","2","1") = "6"
    & skf21("1","7","1","3","3","4","3","1") = "6"
    & skf21("1","7","1","3","3","4","4","1") = "6"
    & skf21("1","7","1","3","3","4","5","1") = "6"
    & skf21("1","7","1","3","3","4","6","1") = "6"
    & skf21("1","7","1","3","3","4","7","1") = "6"
    & skf21("1","7","1","3","3","5","1","1") = "6"
    & skf21("1","7","1","3","3","5","2","1") = "6"
    & skf21("1","7","1","3","3","5","3","1") = "6"
    & skf21("1","7","1","3","3","5","4","1") = "6"
    & skf21("1","7","1","3","3","5","5","1") = "6"
    & skf21("1","7","1","3","3","5","6","1") = "6"
    & skf21("1","7","1","3","3","5","7","1") = "6"
    & skf21("1","7","1","3","3","6","1","1") = "6"
    & skf21("1","7","1","3","3","6","2","1") = "6"
    & skf21("1","7","1","3","3","6","3","1") = "6"
    & skf21("1","7","1","3","3","6","4","1") = "6"
    & skf21("1","7","1","3","3","6","5","1") = "6"
    & skf21("1","7","1","3","3","6","6","1") = "6"
    & skf21("1","7","1","3","3","6","7","1") = "6"
    & skf21("1","7","1","3","3","7","1","1") = "6"
    & skf21("1","7","1","3","3","7","2","1") = "6"
    & skf21("1","7","1","3","3","7","3","1") = "6"
    & skf21("1","7","1","3","3","7","4","1") = "6"
    & skf21("1","7","1","3","3","7","5","1") = "6"
    & skf21("1","7","1","3","3","7","6","1") = "6"
    & skf21("1","7","1","3","3","7","7","1") = "6"
    & skf21("1","7","1","3","4","1","1","1") = "6"
    & skf21("1","7","1","3","4","1","2","1") = "6"
    & skf21("1","7","1","3","4","1","3","1") = "6"
    & skf21("1","7","1","3","4","1","4","1") = "6"
    & skf21("1","7","1","3","4","1","5","1") = "6"
    & skf21("1","7","1","3","4","1","6","1") = "6"
    & skf21("1","7","1","3","4","1","7","1") = "6"
    & skf21("1","7","1","3","4","2","1","1") = "6"
    & skf21("1","7","1","3","4","2","2","1") = "6"
    & skf21("1","7","1","3","4","2","3","1") = "6"
    & skf21("1","7","1","3","4","2","4","1") = "6"
    & skf21("1","7","1","3","4","2","5","1") = "6"
    & skf21("1","7","1","3","4","2","6","1") = "6"
    & skf21("1","7","1","3","4","2","7","1") = "6"
    & skf21("1","7","1","3","4","3","1","1") = "6"
    & skf21("1","7","1","3","4","3","2","1") = "6"
    & skf21("1","7","1","3","4","3","3","1") = "6"
    & skf21("1","7","1","3","4","3","4","1") = "6"
    & skf21("1","7","1","3","4","3","5","1") = "6"
    & skf21("1","7","1","3","4","3","6","1") = "6"
    & skf21("1","7","1","3","4","3","7","1") = "6"
    & skf21("1","7","1","3","4","4","1","1") = "6"
    & skf21("1","7","1","3","4","4","2","1") = "6"
    & skf21("1","7","1","3","4","4","3","1") = "6"
    & skf21("1","7","1","3","4","4","4","1") = "6"
    & skf21("1","7","1","3","4","4","5","1") = "6"
    & skf21("1","7","1","3","4","4","6","1") = "6"
    & skf21("1","7","1","3","4","4","7","1") = "6"
    & skf21("1","7","1","3","4","5","1","1") = "6"
    & skf21("1","7","1","3","4","5","2","1") = "6"
    & skf21("1","7","1","3","4","5","3","1") = "6"
    & skf21("1","7","1","3","4","5","4","1") = "6"
    & skf21("1","7","1","3","4","5","5","1") = "6"
    & skf21("1","7","1","3","4","5","6","1") = "6"
    & skf21("1","7","1","3","4","5","7","1") = "6"
    & skf21("1","7","1","3","4","6","1","1") = "6"
    & skf21("1","7","1","3","4","6","2","1") = "6"
    & skf21("1","7","1","3","4","6","3","1") = "6"
    & skf21("1","7","1","3","4","6","4","1") = "6"
    & skf21("1","7","1","3","4","6","5","1") = "6"
    & skf21("1","7","1","3","4","6","6","1") = "6"
    & skf21("1","7","1","3","4","6","7","1") = "6"
    & skf21("1","7","1","3","4","7","1","1") = "6"
    & skf21("1","7","1","3","4","7","2","1") = "6"
    & skf21("1","7","1","3","4","7","3","1") = "6"
    & skf21("1","7","1","3","4","7","4","1") = "6"
    & skf21("1","7","1","3","4","7","5","1") = "6"
    & skf21("1","7","1","3","4","7","6","1") = "6"
    & skf21("1","7","1","3","4","7","7","1") = "6"
    & skf21("1","7","1","3","5","1","1","1") = "6"
    & skf21("1","7","1","3","5","1","2","1") = "6"
    & skf21("1","7","1","3","5","1","3","1") = "6"
    & skf21("1","7","1","3","5","1","4","1") = "6"
    & skf21("1","7","1","3","5","1","5","1") = "6"
    & skf21("1","7","1","3","5","1","6","1") = "6"
    & skf21("1","7","1","3","5","1","7","1") = "6"
    & skf21("1","7","1","3","5","2","1","1") = "6"
    & skf21("1","7","1","3","5","2","2","1") = "6"
    & skf21("1","7","1","3","5","2","3","1") = "6"
    & skf21("1","7","1","3","5","2","4","1") = "6"
    & skf21("1","7","1","3","5","2","5","1") = "6"
    & skf21("1","7","1","3","5","2","6","1") = "6"
    & skf21("1","7","1","3","5","2","7","1") = "6"
    & skf21("1","7","1","3","5","3","1","1") = "6"
    & skf21("1","7","1","3","5","3","2","1") = "6"
    & skf21("1","7","1","3","5","3","3","1") = "6"
    & skf21("1","7","1","3","5","3","4","1") = "6"
    & skf21("1","7","1","3","5","3","5","1") = "6"
    & skf21("1","7","1","3","5","3","6","1") = "6"
    & skf21("1","7","1","3","5","3","7","1") = "6"
    & skf21("1","7","1","3","5","4","1","1") = "6"
    & skf21("1","7","1","3","5","4","2","1") = "6"
    & skf21("1","7","1","3","5","4","3","1") = "6"
    & skf21("1","7","1","3","5","4","4","1") = "6"
    & skf21("1","7","1","3","5","4","5","1") = "6"
    & skf21("1","7","1","3","5","4","6","1") = "6"
    & skf21("1","7","1","3","5","4","7","1") = "6"
    & skf21("1","7","1","3","5","5","1","1") = "6"
    & skf21("1","7","1","3","5","5","2","1") = "6"
    & skf21("1","7","1","3","5","5","3","1") = "6"
    & skf21("1","7","1","3","5","5","4","1") = "6"
    & skf21("1","7","1","3","5","5","5","1") = "6"
    & skf21("1","7","1","3","5","5","6","1") = "6"
    & skf21("1","7","1","3","5","5","7","1") = "6"
    & skf21("1","7","1","3","5","6","1","1") = "6"
    & skf21("1","7","1","3","5","6","2","1") = "6"
    & skf21("1","7","1","3","5","6","3","1") = "6"
    & skf21("1","7","1","3","5","6","4","1") = "6"
    & skf21("1","7","1","3","5","6","5","1") = "6"
    & skf21("1","7","1","3","5","6","6","1") = "6"
    & skf21("1","7","1","3","5","6","7","1") = "6"
    & skf21("1","7","1","3","5","7","1","1") = "6"
    & skf21("1","7","1","3","5","7","2","1") = "6"
    & skf21("1","7","1","3","5","7","3","1") = "6"
    & skf21("1","7","1","3","5","7","4","1") = "6"
    & skf21("1","7","1","3","5","7","5","1") = "6"
    & skf21("1","7","1","3","5","7","6","1") = "6"
    & skf21("1","7","1","3","5","7","7","1") = "6"
    & skf21("1","7","1","3","6","1","1","1") = "6"
    & skf21("1","7","1","3","6","1","2","1") = "6"
    & skf21("1","7","1","3","6","1","3","1") = "6"
    & skf21("1","7","1","3","6","1","4","1") = "6"
    & skf21("1","7","1","3","6","1","5","1") = "6"
    & skf21("1","7","1","3","6","1","6","1") = "6"
    & skf21("1","7","1","3","6","1","7","1") = "6"
    & skf21("1","7","1","3","6","2","1","1") = "6"
    & skf21("1","7","1","3","6","2","2","1") = "6"
    & skf21("1","7","1","3","6","2","3","1") = "6"
    & skf21("1","7","1","3","6","2","4","1") = "6"
    & skf21("1","7","1","3","6","2","5","1") = "6"
    & skf21("1","7","1","3","6","2","6","1") = "6"
    & skf21("1","7","1","3","6","2","7","1") = "6"
    & skf21("1","7","1","3","6","3","1","1") = "6"
    & skf21("1","7","1","3","6","3","2","1") = "6"
    & skf21("1","7","1","3","6","3","3","1") = "6"
    & skf21("1","7","1","3","6","3","4","1") = "6"
    & skf21("1","7","1","3","6","3","5","1") = "6"
    & skf21("1","7","1","3","6","3","6","1") = "6"
    & skf21("1","7","1","3","6","3","7","1") = "6"
    & skf21("1","7","1","3","6","4","1","1") = "6"
    & skf21("1","7","1","3","6","4","2","1") = "6"
    & skf21("1","7","1","3","6","4","3","1") = "6"
    & skf21("1","7","1","3","6","4","4","1") = "6"
    & skf21("1","7","1","3","6","4","5","1") = "6"
    & skf21("1","7","1","3","6","4","6","1") = "6"
    & skf21("1","7","1","3","6","4","7","1") = "6"
    & skf21("1","7","1","3","6","5","1","1") = "6"
    & skf21("1","7","1","3","6","5","2","1") = "6"
    & skf21("1","7","1","3","6","5","3","1") = "6"
    & skf21("1","7","1","3","6","5","4","1") = "6"
    & skf21("1","7","1","3","6","5","5","1") = "6"
    & skf21("1","7","1","3","6","5","6","1") = "6"
    & skf21("1","7","1","3","6","5","7","1") = "6"
    & skf21("1","7","1","3","6","6","1","1") = "6"
    & skf21("1","7","1","3","6","6","2","1") = "6"
    & skf21("1","7","1","3","6","6","3","1") = "6"
    & skf21("1","7","1","3","6","6","4","1") = "6"
    & skf21("1","7","1","3","6","6","5","1") = "6"
    & skf21("1","7","1","3","6","6","6","1") = "6"
    & skf21("1","7","1","3","6","6","7","1") = "6"
    & skf21("1","7","1","3","6","7","1","1") = "6"
    & skf21("1","7","1","3","6","7","2","1") = "6"
    & skf21("1","7","1","3","6","7","3","1") = "6"
    & skf21("1","7","1","3","6","7","4","1") = "6"
    & skf21("1","7","1","3","6","7","5","1") = "6"
    & skf21("1","7","1","3","6","7","6","1") = "6"
    & skf21("1","7","1","3","6","7","7","1") = "6"
    & skf21("1","7","1","3","7","1","1","1") = "6"
    & skf21("1","7","1","3","7","1","2","1") = "6"
    & skf21("1","7","1","3","7","1","3","1") = "6"
    & skf21("1","7","1","3","7","1","4","1") = "6"
    & skf21("1","7","1","3","7","1","5","1") = "6"
    & skf21("1","7","1","3","7","1","6","1") = "6"
    & skf21("1","7","1","3","7","1","7","1") = "6"
    & skf21("1","7","1","3","7","2","1","1") = "6"
    & skf21("1","7","1","3","7","2","2","1") = "6"
    & skf21("1","7","1","3","7","2","3","1") = "6"
    & skf21("1","7","1","3","7","2","4","1") = "6"
    & skf21("1","7","1","3","7","2","5","1") = "6"
    & skf21("1","7","1","3","7","2","6","1") = "6"
    & skf21("1","7","1","3","7","2","7","1") = "6"
    & skf21("1","7","1","3","7","3","1","1") = "6"
    & skf21("1","7","1","3","7","3","2","1") = "6"
    & skf21("1","7","1","3","7","3","3","1") = "6"
    & skf21("1","7","1","3","7","3","4","1") = "6"
    & skf21("1","7","1","3","7","3","5","1") = "6"
    & skf21("1","7","1","3","7","3","6","1") = "6"
    & skf21("1","7","1","3","7","3","7","1") = "6"
    & skf21("1","7","1","3","7","4","1","1") = "6"
    & skf21("1","7","1","3","7","4","2","1") = "6"
    & skf21("1","7","1","3","7","4","3","1") = "6"
    & skf21("1","7","1","3","7","4","4","1") = "6"
    & skf21("1","7","1","3","7","4","5","1") = "6"
    & skf21("1","7","1","3","7","4","6","1") = "6"
    & skf21("1","7","1","3","7","4","7","1") = "6"
    & skf21("1","7","1","3","7","5","1","1") = "6"
    & skf21("1","7","1","3","7","5","2","1") = "6"
    & skf21("1","7","1","3","7","5","3","1") = "6"
    & skf21("1","7","1","3","7","5","4","1") = "6"
    & skf21("1","7","1","3","7","5","5","1") = "6"
    & skf21("1","7","1","3","7","5","6","1") = "6"
    & skf21("1","7","1","3","7","5","7","1") = "6"
    & skf21("1","7","1","3","7","6","1","1") = "6"
    & skf21("1","7","1","3","7","6","2","1") = "6"
    & skf21("1","7","1","3","7","6","3","1") = "6"
    & skf21("1","7","1","3","7","6","4","1") = "6"
    & skf21("1","7","1","3","7","6","5","1") = "6"
    & skf21("1","7","1","3","7","6","6","1") = "6"
    & skf21("1","7","1","3","7","6","7","1") = "6"
    & skf21("1","7","1","3","7","7","1","1") = "6"
    & skf21("1","7","1","3","7","7","2","1") = "6"
    & skf21("1","7","1","3","7","7","3","1") = "6"
    & skf21("1","7","1","3","7","7","4","1") = "6"
    & skf21("1","7","1","3","7","7","5","1") = "6"
    & skf21("1","7","1","3","7","7","6","1") = "6"
    & skf21("1","7","1","3","7","7","7","1") = "6"
    & skf21("1","7","1","4","1","1","1","1") = "6"
    & skf21("1","7","1","4","1","1","2","1") = "6"
    & skf21("1","7","1","4","1","1","3","1") = "6"
    & skf21("1","7","1","4","1","1","4","1") = "6"
    & skf21("1","7","1","4","1","1","5","1") = "6"
    & skf21("1","7","1","4","1","1","6","1") = "6"
    & skf21("1","7","1","4","1","1","7","1") = "6"
    & skf21("1","7","1","4","1","2","1","1") = "6"
    & skf21("1","7","1","4","1","2","2","1") = "6"
    & skf21("1","7","1","4","1","2","3","1") = "6"
    & skf21("1","7","1","4","1","2","4","1") = "6"
    & skf21("1","7","1","4","1","2","5","1") = "6"
    & skf21("1","7","1","4","1","2","6","1") = "6"
    & skf21("1","7","1","4","1","2","7","1") = "6"
    & skf21("1","7","1","4","1","3","1","1") = "6"
    & skf21("1","7","1","4","1","3","2","1") = "6"
    & skf21("1","7","1","4","1","3","3","1") = "6"
    & skf21("1","7","1","4","1","3","4","1") = "6"
    & skf21("1","7","1","4","1","3","5","1") = "6"
    & skf21("1","7","1","4","1","3","6","1") = "6"
    & skf21("1","7","1","4","1","3","7","1") = "6"
    & skf21("1","7","1","4","1","4","1","1") = "6"
    & skf21("1","7","1","4","1","4","2","1") = "6"
    & skf21("1","7","1","4","1","4","3","1") = "6"
    & skf21("1","7","1","4","1","4","4","1") = "6"
    & skf21("1","7","1","4","1","4","5","1") = "6"
    & skf21("1","7","1","4","1","4","6","1") = "6"
    & skf21("1","7","1","4","1","4","7","1") = "6"
    & skf21("1","7","1","4","1","5","1","1") = "6"
    & skf21("1","7","1","4","1","5","2","1") = "6"
    & skf21("1","7","1","4","1","5","3","1") = "6"
    & skf21("1","7","1","4","1","5","4","1") = "6"
    & skf21("1","7","1","4","1","5","5","1") = "6"
    & skf21("1","7","1","4","1","5","6","1") = "6"
    & skf21("1","7","1","4","1","5","7","1") = "6"
    & skf21("1","7","1","4","1","6","1","1") = "6"
    & skf21("1","7","1","4","1","6","2","1") = "6"
    & skf21("1","7","1","4","1","6","3","1") = "6"
    & skf21("1","7","1","4","1","6","4","1") = "6"
    & skf21("1","7","1","4","1","6","5","1") = "6"
    & skf21("1","7","1","4","1","6","6","1") = "6"
    & skf21("1","7","1","4","1","6","7","1") = "6"
    & skf21("1","7","1","4","1","7","1","1") = "6"
    & skf21("1","7","1","4","1","7","2","1") = "6"
    & skf21("1","7","1","4","1","7","3","1") = "6"
    & skf21("1","7","1","4","1","7","4","1") = "6"
    & skf21("1","7","1","4","1","7","5","1") = "6"
    & skf21("1","7","1","4","1","7","6","1") = "6"
    & skf21("1","7","1","4","1","7","7","1") = "6"
    & skf21("1","7","1","4","2","1","1","1") = "6"
    & skf21("1","7","1","4","2","1","2","1") = "6"
    & skf21("1","7","1","4","2","1","3","1") = "6"
    & skf21("1","7","1","4","2","1","4","1") = "6"
    & skf21("1","7","1","4","2","1","5","1") = "6"
    & skf21("1","7","1","4","2","1","6","1") = "6"
    & skf21("1","7","1","4","2","1","7","1") = "6"
    & skf21("1","7","1","4","2","2","1","1") = "6"
    & skf21("1","7","1","4","2","2","2","1") = "6"
    & skf21("1","7","1","4","2","2","3","1") = "6"
    & skf21("1","7","1","4","2","2","4","1") = "6"
    & skf21("1","7","1","4","2","2","5","1") = "6"
    & skf21("1","7","1","4","2","2","6","1") = "6"
    & skf21("1","7","1","4","2","2","7","1") = "6"
    & skf21("1","7","1","4","2","3","1","1") = "6"
    & skf21("1","7","1","4","2","3","2","1") = "6"
    & skf21("1","7","1","4","2","3","3","1") = "6"
    & skf21("1","7","1","4","2","3","4","1") = "6"
    & skf21("1","7","1","4","2","3","5","1") = "6"
    & skf21("1","7","1","4","2","3","6","1") = "6"
    & skf21("1","7","1","4","2","3","7","1") = "6"
    & skf21("1","7","1","4","2","4","1","1") = "6"
    & skf21("1","7","1","4","2","4","2","1") = "6"
    & skf21("1","7","1","4","2","4","3","1") = "6"
    & skf21("1","7","1","4","2","4","4","1") = "6"
    & skf21("1","7","1","4","2","4","5","1") = "6"
    & skf21("1","7","1","4","2","4","6","1") = "6"
    & skf21("1","7","1","4","2","4","7","1") = "6"
    & skf21("1","7","1","4","2","5","1","1") = "6"
    & skf21("1","7","1","4","2","5","2","1") = "6"
    & skf21("1","7","1","4","2","5","3","1") = "6"
    & skf21("1","7","1","4","2","5","4","1") = "6"
    & skf21("1","7","1","4","2","5","5","1") = "6"
    & skf21("1","7","1","4","2","5","6","1") = "6"
    & skf21("1","7","1","4","2","5","7","1") = "6"
    & skf21("1","7","1","4","2","6","1","1") = "6"
    & skf21("1","7","1","4","2","6","2","1") = "6"
    & skf21("1","7","1","4","2","6","3","1") = "6"
    & skf21("1","7","1","4","2","6","4","1") = "6"
    & skf21("1","7","1","4","2","6","5","1") = "6"
    & skf21("1","7","1","4","2","6","6","1") = "6"
    & skf21("1","7","1","4","2","6","7","1") = "6"
    & skf21("1","7","1","4","2","7","1","1") = "6"
    & skf21("1","7","1","4","2","7","2","1") = "6"
    & skf21("1","7","1","4","2","7","3","1") = "6"
    & skf21("1","7","1","4","2","7","4","1") = "6"
    & skf21("1","7","1","4","2","7","5","1") = "6"
    & skf21("1","7","1","4","2","7","6","1") = "6"
    & skf21("1","7","1","4","2","7","7","1") = "6"
    & skf21("1","7","1","4","3","1","1","1") = "6"
    & skf21("1","7","1","4","3","1","2","1") = "6"
    & skf21("1","7","1","4","3","1","3","1") = "6"
    & skf21("1","7","1","4","3","1","4","1") = "6"
    & skf21("1","7","1","4","3","1","5","1") = "6"
    & skf21("1","7","1","4","3","1","6","1") = "6"
    & skf21("1","7","1","4","3","1","7","1") = "6"
    & skf21("1","7","1","4","3","2","1","1") = "6"
    & skf21("1","7","1","4","3","2","2","1") = "6"
    & skf21("1","7","1","4","3","2","3","1") = "6"
    & skf21("1","7","1","4","3","2","4","1") = "6"
    & skf21("1","7","1","4","3","2","5","1") = "6"
    & skf21("1","7","1","4","3","2","6","1") = "6"
    & skf21("1","7","1","4","3","2","7","1") = "6"
    & skf21("1","7","1","4","3","3","1","1") = "6"
    & skf21("1","7","1","4","3","3","2","1") = "6"
    & skf21("1","7","1","4","3","3","3","1") = "6"
    & skf21("1","7","1","4","3","3","4","1") = "6"
    & skf21("1","7","1","4","3","3","5","1") = "6"
    & skf21("1","7","1","4","3","3","6","1") = "6"
    & skf21("1","7","1","4","3","3","7","1") = "6"
    & skf21("1","7","1","4","3","4","1","1") = "6"
    & skf21("1","7","1","4","3","4","2","1") = "6"
    & skf21("1","7","1","4","3","4","3","1") = "6"
    & skf21("1","7","1","4","3","4","4","1") = "6"
    & skf21("1","7","1","4","3","4","5","1") = "6"
    & skf21("1","7","1","4","3","4","6","1") = "6"
    & skf21("1","7","1","4","3","4","7","1") = "6"
    & skf21("1","7","1","4","3","5","1","1") = "6"
    & skf21("1","7","1","4","3","5","2","1") = "6"
    & skf21("1","7","1","4","3","5","3","1") = "6"
    & skf21("1","7","1","4","3","5","4","1") = "6"
    & skf21("1","7","1","4","3","5","5","1") = "6"
    & skf21("1","7","1","4","3","5","6","1") = "6"
    & skf21("1","7","1","4","3","5","7","1") = "6"
    & skf21("1","7","1","4","3","6","1","1") = "6"
    & skf21("1","7","1","4","3","6","2","1") = "6"
    & skf21("1","7","1","4","3","6","3","1") = "6"
    & skf21("1","7","1","4","3","6","4","1") = "6"
    & skf21("1","7","1","4","3","6","5","1") = "6"
    & skf21("1","7","1","4","3","6","6","1") = "6"
    & skf21("1","7","1","4","3","6","7","1") = "6"
    & skf21("1","7","1","4","3","7","1","1") = "6"
    & skf21("1","7","1","4","3","7","2","1") = "6"
    & skf21("1","7","1","4","3","7","3","1") = "6"
    & skf21("1","7","1","4","3","7","4","1") = "6"
    & skf21("1","7","1","4","3","7","5","1") = "6"
    & skf21("1","7","1","4","3","7","6","1") = "6"
    & skf21("1","7","1","4","3","7","7","1") = "6"
    & skf21("1","7","1","4","4","1","1","1") = "6"
    & skf21("1","7","1","4","4","1","2","1") = "6"
    & skf21("1","7","1","4","4","1","3","1") = "6"
    & skf21("1","7","1","4","4","1","4","1") = "6"
    & skf21("1","7","1","4","4","1","5","1") = "6"
    & skf21("1","7","1","4","4","1","6","1") = "6"
    & skf21("1","7","1","4","4","1","7","1") = "6"
    & skf21("1","7","1","4","4","2","1","1") = "6"
    & skf21("1","7","1","4","4","2","2","1") = "6"
    & skf21("1","7","1","4","4","2","3","1") = "6"
    & skf21("1","7","1","4","4","2","4","1") = "6"
    & skf21("1","7","1","4","4","2","5","1") = "6"
    & skf21("1","7","1","4","4","2","6","1") = "6"
    & skf21("1","7","1","4","4","2","7","1") = "6"
    & skf21("1","7","1","4","4","3","1","1") = "6"
    & skf21("1","7","1","4","4","3","2","1") = "6"
    & skf21("1","7","1","4","4","3","3","1") = "6"
    & skf21("1","7","1","4","4","3","4","1") = "6"
    & skf21("1","7","1","4","4","3","5","1") = "6"
    & skf21("1","7","1","4","4","3","6","1") = "6"
    & skf21("1","7","1","4","4","3","7","1") = "6"
    & skf21("1","7","1","4","4","4","1","1") = "6"
    & skf21("1","7","1","4","4","4","2","1") = "6"
    & skf21("1","7","1","4","4","4","3","1") = "6"
    & skf21("1","7","1","4","4","4","4","1") = "6"
    & skf21("1","7","1","4","4","4","5","1") = "6"
    & skf21("1","7","1","4","4","4","6","1") = "6"
    & skf21("1","7","1","4","4","4","7","1") = "6"
    & skf21("1","7","1","4","4","5","1","1") = "6"
    & skf21("1","7","1","4","4","5","2","1") = "6"
    & skf21("1","7","1","4","4","5","3","1") = "6"
    & skf21("1","7","1","4","4","5","4","1") = "6"
    & skf21("1","7","1","4","4","5","5","1") = "6"
    & skf21("1","7","1","4","4","5","6","1") = "6"
    & skf21("1","7","1","4","4","5","7","1") = "6"
    & skf21("1","7","1","4","4","6","1","1") = "6"
    & skf21("1","7","1","4","4","6","2","1") = "6"
    & skf21("1","7","1","4","4","6","3","1") = "6"
    & skf21("1","7","1","4","4","6","4","1") = "6"
    & skf21("1","7","1","4","4","6","5","1") = "6"
    & skf21("1","7","1","4","4","6","6","1") = "6"
    & skf21("1","7","1","4","4","6","7","1") = "6"
    & skf21("1","7","1","4","4","7","1","1") = "6"
    & skf21("1","7","1","4","4","7","2","1") = "6"
    & skf21("1","7","1","4","4","7","3","1") = "6"
    & skf21("1","7","1","4","4","7","4","1") = "6"
    & skf21("1","7","1","4","4","7","5","1") = "6"
    & skf21("1","7","1","4","4","7","6","1") = "6"
    & skf21("1","7","1","4","4","7","7","1") = "6"
    & skf21("1","7","1","4","5","1","1","1") = "6"
    & skf21("1","7","1","4","5","1","2","1") = "6"
    & skf21("1","7","1","4","5","1","3","1") = "6"
    & skf21("1","7","1","4","5","1","4","1") = "6"
    & skf21("1","7","1","4","5","1","5","1") = "6"
    & skf21("1","7","1","4","5","1","6","1") = "6"
    & skf21("1","7","1","4","5","1","7","1") = "6"
    & skf21("1","7","1","4","5","2","1","1") = "6"
    & skf21("1","7","1","4","5","2","2","1") = "6"
    & skf21("1","7","1","4","5","2","3","1") = "6"
    & skf21("1","7","1","4","5","2","4","1") = "6"
    & skf21("1","7","1","4","5","2","5","1") = "6"
    & skf21("1","7","1","4","5","2","6","1") = "6"
    & skf21("1","7","1","4","5","2","7","1") = "6"
    & skf21("1","7","1","4","5","3","1","1") = "6"
    & skf21("1","7","1","4","5","3","2","1") = "6"
    & skf21("1","7","1","4","5","3","3","1") = "6"
    & skf21("1","7","1","4","5","3","4","1") = "6"
    & skf21("1","7","1","4","5","3","5","1") = "6"
    & skf21("1","7","1","4","5","3","6","1") = "6"
    & skf21("1","7","1","4","5","3","7","1") = "6"
    & skf21("1","7","1","4","5","4","1","1") = "6"
    & skf21("1","7","1","4","5","4","2","1") = "6"
    & skf21("1","7","1","4","5","4","3","1") = "6"
    & skf21("1","7","1","4","5","4","4","1") = "6"
    & skf21("1","7","1","4","5","4","5","1") = "6"
    & skf21("1","7","1","4","5","4","6","1") = "6"
    & skf21("1","7","1","4","5","4","7","1") = "6"
    & skf21("1","7","1","4","5","5","1","1") = "6"
    & skf21("1","7","1","4","5","5","2","1") = "6"
    & skf21("1","7","1","4","5","5","3","1") = "6"
    & skf21("1","7","1","4","5","5","4","1") = "6"
    & skf21("1","7","1","4","5","5","5","1") = "6"
    & skf21("1","7","1","4","5","5","6","1") = "6"
    & skf21("1","7","1","4","5","5","7","1") = "6"
    & skf21("1","7","1","4","5","6","1","1") = "6"
    & skf21("1","7","1","4","5","6","2","1") = "6"
    & skf21("1","7","1","4","5","6","3","1") = "6"
    & skf21("1","7","1","4","5","6","4","1") = "6"
    & skf21("1","7","1","4","5","6","5","1") = "6"
    & skf21("1","7","1","4","5","6","6","1") = "6"
    & skf21("1","7","1","4","5","6","7","1") = "6"
    & skf21("1","7","1","4","5","7","1","1") = "6"
    & skf21("1","7","1","4","5","7","2","1") = "6"
    & skf21("1","7","1","4","5","7","3","1") = "6"
    & skf21("1","7","1","4","5","7","4","1") = "6"
    & skf21("1","7","1","4","5","7","5","1") = "6"
    & skf21("1","7","1","4","5","7","6","1") = "6"
    & skf21("1","7","1","4","5","7","7","1") = "6"
    & skf21("1","7","1","4","6","1","1","1") = "6"
    & skf21("1","7","1","4","6","1","2","1") = "6"
    & skf21("1","7","1","4","6","1","3","1") = "6"
    & skf21("1","7","1","4","6","1","4","1") = "6"
    & skf21("1","7","1","4","6","1","5","1") = "6"
    & skf21("1","7","1","4","6","1","6","1") = "6"
    & skf21("1","7","1","4","6","1","7","1") = "6"
    & skf21("1","7","1","4","6","2","1","1") = "6"
    & skf21("1","7","1","4","6","2","2","1") = "6"
    & skf21("1","7","1","4","6","2","3","1") = "6"
    & skf21("1","7","1","4","6","2","4","1") = "6"
    & skf21("1","7","1","4","6","2","5","1") = "6"
    & skf21("1","7","1","4","6","2","6","1") = "6"
    & skf21("1","7","1","4","6","2","7","1") = "6"
    & skf21("1","7","1","4","6","3","1","1") = "6"
    & skf21("1","7","1","4","6","3","2","1") = "6"
    & skf21("1","7","1","4","6","3","3","1") = "6"
    & skf21("1","7","1","4","6","3","4","1") = "6"
    & skf21("1","7","1","4","6","3","5","1") = "6"
    & skf21("1","7","1","4","6","3","6","1") = "6"
    & skf21("1","7","1","4","6","3","7","1") = "6"
    & skf21("1","7","1","4","6","4","1","1") = "6"
    & skf21("1","7","1","4","6","4","2","1") = "6"
    & skf21("1","7","1","4","6","4","3","1") = "6"
    & skf21("1","7","1","4","6","4","4","1") = "6"
    & skf21("1","7","1","4","6","4","5","1") = "6"
    & skf21("1","7","1","4","6","4","6","1") = "6"
    & skf21("1","7","1","4","6","4","7","1") = "6"
    & skf21("1","7","1","4","6","5","1","1") = "6"
    & skf21("1","7","1","4","6","5","2","1") = "6"
    & skf21("1","7","1","4","6","5","3","1") = "6"
    & skf21("1","7","1","4","6","5","4","1") = "6"
    & skf21("1","7","1","4","6","5","5","1") = "6"
    & skf21("1","7","1","4","6","5","6","1") = "6"
    & skf21("1","7","1","4","6","5","7","1") = "6"
    & skf21("1","7","1","4","6","6","1","1") = "6"
    & skf21("1","7","1","4","6","6","2","1") = "6"
    & skf21("1","7","1","4","6","6","3","1") = "6"
    & skf21("1","7","1","4","6","6","4","1") = "6"
    & skf21("1","7","1","4","6","6","5","1") = "6"
    & skf21("1","7","1","4","6","6","6","1") = "6"
    & skf21("1","7","1","4","6","6","7","1") = "6"
    & skf21("1","7","1","4","6","7","1","1") = "6"
    & skf21("1","7","1","4","6","7","2","1") = "6"
    & skf21("1","7","1","4","6","7","3","1") = "6"
    & skf21("1","7","1","4","6","7","4","1") = "6"
    & skf21("1","7","1","4","6","7","5","1") = "6"
    & skf21("1","7","1","4","6","7","6","1") = "6"
    & skf21("1","7","1","4","6","7","7","1") = "6"
    & skf21("1","7","1","4","7","1","1","1") = "6"
    & skf21("1","7","1","4","7","1","2","1") = "6"
    & skf21("1","7","1","4","7","1","3","1") = "6"
    & skf21("1","7","1","4","7","1","4","1") = "6"
    & skf21("1","7","1","4","7","1","5","1") = "6"
    & skf21("1","7","1","4","7","1","6","1") = "6"
    & skf21("1","7","1","4","7","1","7","1") = "6"
    & skf21("1","7","1","4","7","2","1","1") = "6"
    & skf21("1","7","1","4","7","2","2","1") = "6"
    & skf21("1","7","1","4","7","2","3","1") = "6"
    & skf21("1","7","1","4","7","2","4","1") = "6"
    & skf21("1","7","1","4","7","2","5","1") = "6"
    & skf21("1","7","1","4","7","2","6","1") = "6"
    & skf21("1","7","1","4","7","2","7","1") = "6"
    & skf21("1","7","1","4","7","3","1","1") = "6"
    & skf21("1","7","1","4","7","3","2","1") = "6"
    & skf21("1","7","1","4","7","3","3","1") = "6"
    & skf21("1","7","1","4","7","3","4","1") = "6"
    & skf21("1","7","1","4","7","3","5","1") = "6"
    & skf21("1","7","1","4","7","3","6","1") = "6"
    & skf21("1","7","1","4","7","3","7","1") = "6"
    & skf21("1","7","1","4","7","4","1","1") = "6"
    & skf21("1","7","1","4","7","4","2","1") = "6"
    & skf21("1","7","1","4","7","4","3","1") = "6"
    & skf21("1","7","1","4","7","4","4","1") = "6"
    & skf21("1","7","1","4","7","4","5","1") = "6"
    & skf21("1","7","1","4","7","4","6","1") = "6"
    & skf21("1","7","1","4","7","4","7","1") = "6"
    & skf21("1","7","1","4","7","5","1","1") = "6"
    & skf21("1","7","1","4","7","5","2","1") = "6"
    & skf21("1","7","1","4","7","5","3","1") = "6"
    & skf21("1","7","1","4","7","5","4","1") = "6"
    & skf21("1","7","1","4","7","5","5","1") = "6"
    & skf21("1","7","1","4","7","5","6","1") = "6"
    & skf21("1","7","1","4","7","5","7","1") = "6"
    & skf21("1","7","1","4","7","6","1","1") = "6"
    & skf21("1","7","1","4","7","6","2","1") = "6"
    & skf21("1","7","1","4","7","6","3","1") = "6"
    & skf21("1","7","1","4","7","6","4","1") = "6"
    & skf21("1","7","1","4","7","6","5","1") = "6"
    & skf21("1","7","1","4","7","6","6","1") = "6"
    & skf21("1","7","1","4","7","6","7","1") = "6"
    & skf21("1","7","1","4","7","7","1","1") = "6"
    & skf21("1","7","1","4","7","7","2","1") = "6"
    & skf21("1","7","1","4","7","7","3","1") = "6"
    & skf21("1","7","1","4","7","7","4","1") = "6"
    & skf21("1","7","1","4","7","7","5","1") = "6"
    & skf21("1","7","1","4","7","7","6","1") = "6"
    & skf21("1","7","1","4","7","7","7","1") = "6"
    & skf21("1","7","1","5","1","1","1","1") = "6"
    & skf21("1","7","1","5","1","1","2","1") = "6"
    & skf21("1","7","1","5","1","1","3","1") = "6"
    & skf21("1","7","1","5","1","1","4","1") = "6"
    & skf21("1","7","1","5","1","1","5","1") = "6"
    & skf21("1","7","1","5","1","1","6","1") = "6"
    & skf21("1","7","1","5","1","1","7","1") = "6"
    & skf21("1","7","1","5","1","2","1","1") = "6"
    & skf21("1","7","1","5","1","2","2","1") = "6"
    & skf21("1","7","1","5","1","2","3","1") = "6"
    & skf21("1","7","1","5","1","2","4","1") = "6"
    & skf21("1","7","1","5","1","2","5","1") = "6"
    & skf21("1","7","1","5","1","2","6","1") = "6"
    & skf21("1","7","1","5","1","2","7","1") = "6"
    & skf21("1","7","1","5","1","3","1","1") = "6"
    & skf21("1","7","1","5","1","3","2","1") = "6"
    & skf21("1","7","1","5","1","3","3","1") = "6"
    & skf21("1","7","1","5","1","3","4","1") = "6"
    & skf21("1","7","1","5","1","3","5","1") = "6"
    & skf21("1","7","1","5","1","3","6","1") = "6"
    & skf21("1","7","1","5","1","3","7","1") = "6"
    & skf21("1","7","1","5","1","4","1","1") = "6"
    & skf21("1","7","1","5","1","4","2","1") = "6"
    & skf21("1","7","1","5","1","4","3","1") = "6"
    & skf21("1","7","1","5","1","4","4","1") = "6"
    & skf21("1","7","1","5","1","4","5","1") = "6"
    & skf21("1","7","1","5","1","4","6","1") = "6"
    & skf21("1","7","1","5","1","4","7","1") = "6"
    & skf21("1","7","1","5","1","5","1","1") = "6"
    & skf21("1","7","1","5","1","5","2","1") = "6"
    & skf21("1","7","1","5","1","5","3","1") = "6"
    & skf21("1","7","1","5","1","5","4","1") = "6"
    & skf21("1","7","1","5","1","5","5","1") = "6"
    & skf21("1","7","1","5","1","5","6","1") = "6"
    & skf21("1","7","1","5","1","5","7","1") = "6"
    & skf21("1","7","1","5","1","6","1","1") = "6"
    & skf21("1","7","1","5","1","6","2","1") = "6"
    & skf21("1","7","1","5","1","6","3","1") = "6"
    & skf21("1","7","1","5","1","6","4","1") = "6"
    & skf21("1","7","1","5","1","6","5","1") = "6"
    & skf21("1","7","1","5","1","6","6","1") = "6"
    & skf21("1","7","1","5","1","6","7","1") = "6"
    & skf21("1","7","1","5","1","7","1","1") = "6"
    & skf21("1","7","1","5","1","7","2","1") = "6"
    & skf21("1","7","1","5","1","7","3","1") = "6"
    & skf21("1","7","1","5","1","7","4","1") = "6"
    & skf21("1","7","1","5","1","7","5","1") = "6"
    & skf21("1","7","1","5","1","7","6","1") = "6"
    & skf21("1","7","1","5","1","7","7","1") = "6"
    & skf21("1","7","1","5","2","1","1","1") = "6"
    & skf21("1","7","1","5","2","1","2","1") = "6"
    & skf21("1","7","1","5","2","1","3","1") = "6"
    & skf21("1","7","1","5","2","1","4","1") = "6"
    & skf21("1","7","1","5","2","1","5","1") = "6"
    & skf21("1","7","1","5","2","1","6","1") = "6"
    & skf21("1","7","1","5","2","1","7","1") = "6"
    & skf21("1","7","1","5","2","2","1","1") = "6"
    & skf21("1","7","1","5","2","2","2","1") = "6"
    & skf21("1","7","1","5","2","2","3","1") = "6"
    & skf21("1","7","1","5","2","2","4","1") = "6"
    & skf21("1","7","1","5","2","2","5","1") = "6"
    & skf21("1","7","1","5","2","2","6","1") = "6"
    & skf21("1","7","1","5","2","2","7","1") = "6"
    & skf21("1","7","1","5","2","3","1","1") = "6"
    & skf21("1","7","1","5","2","3","2","1") = "6"
    & skf21("1","7","1","5","2","3","3","1") = "6"
    & skf21("1","7","1","5","2","3","4","1") = "6"
    & skf21("1","7","1","5","2","3","5","1") = "6"
    & skf21("1","7","1","5","2","3","6","1") = "6"
    & skf21("1","7","1","5","2","3","7","1") = "6"
    & skf21("1","7","1","5","2","4","1","1") = "6"
    & skf21("1","7","1","5","2","4","2","1") = "6"
    & skf21("1","7","1","5","2","4","3","1") = "6"
    & skf21("1","7","1","5","2","4","4","1") = "6"
    & skf21("1","7","1","5","2","4","5","1") = "6"
    & skf21("1","7","1","5","2","4","6","1") = "6"
    & skf21("1","7","1","5","2","4","7","1") = "6"
    & skf21("1","7","1","5","2","5","1","1") = "6"
    & skf21("1","7","1","5","2","5","2","1") = "6"
    & skf21("1","7","1","5","2","5","3","1") = "6"
    & skf21("1","7","1","5","2","5","4","1") = "6"
    & skf21("1","7","1","5","2","5","5","1") = "6"
    & skf21("1","7","1","5","2","5","6","1") = "6"
    & skf21("1","7","1","5","2","5","7","1") = "6"
    & skf21("1","7","1","5","2","6","1","1") = "6"
    & skf21("1","7","1","5","2","6","2","1") = "6"
    & skf21("1","7","1","5","2","6","3","1") = "6"
    & skf21("1","7","1","5","2","6","4","1") = "6"
    & skf21("1","7","1","5","2","6","5","1") = "6"
    & skf21("1","7","1","5","2","6","6","1") = "6"
    & skf21("1","7","1","5","2","6","7","1") = "6"
    & skf21("1","7","1","5","2","7","1","1") = "6"
    & skf21("1","7","1","5","2","7","2","1") = "6"
    & skf21("1","7","1","5","2","7","3","1") = "6"
    & skf21("1","7","1","5","2","7","4","1") = "6"
    & skf21("1","7","1","5","2","7","5","1") = "6"
    & skf21("1","7","1","5","2","7","6","1") = "6"
    & skf21("1","7","1","5","2","7","7","1") = "6"
    & skf21("1","7","1","5","3","1","1","1") = "6"
    & skf21("1","7","1","5","3","1","2","1") = "6"
    & skf21("1","7","1","5","3","1","3","1") = "6"
    & skf21("1","7","1","5","3","1","4","1") = "6"
    & skf21("1","7","1","5","3","1","5","1") = "6"
    & skf21("1","7","1","5","3","1","6","1") = "6"
    & skf21("1","7","1","5","3","1","7","1") = "6"
    & skf21("1","7","1","5","3","2","1","1") = "6"
    & skf21("1","7","1","5","3","2","2","1") = "6"
    & skf21("1","7","1","5","3","2","3","1") = "6"
    & skf21("1","7","1","5","3","2","4","1") = "6"
    & skf21("1","7","1","5","3","2","5","1") = "6"
    & skf21("1","7","1","5","3","2","6","1") = "6"
    & skf21("1","7","1","5","3","2","7","1") = "6"
    & skf21("1","7","1","5","3","3","1","1") = "6"
    & skf21("1","7","1","5","3","3","2","1") = "6"
    & skf21("1","7","1","5","3","3","3","1") = "6"
    & skf21("1","7","1","5","3","3","4","1") = "6"
    & skf21("1","7","1","5","3","3","5","1") = "6"
    & skf21("1","7","1","5","3","3","6","1") = "6"
    & skf21("1","7","1","5","3","3","7","1") = "6"
    & skf21("1","7","1","5","3","4","1","1") = "6"
    & skf21("1","7","1","5","3","4","2","1") = "6"
    & skf21("1","7","1","5","3","4","3","1") = "6"
    & skf21("1","7","1","5","3","4","4","1") = "6"
    & skf21("1","7","1","5","3","4","5","1") = "6"
    & skf21("1","7","1","5","3","4","6","1") = "6"
    & skf21("1","7","1","5","3","4","7","1") = "6"
    & skf21("1","7","1","5","3","5","1","1") = "6"
    & skf21("1","7","1","5","3","5","2","1") = "6"
    & skf21("1","7","1","5","3","5","3","1") = "6"
    & skf21("1","7","1","5","3","5","4","1") = "6"
    & skf21("1","7","1","5","3","5","5","1") = "6"
    & skf21("1","7","1","5","3","5","6","1") = "6"
    & skf21("1","7","1","5","3","5","7","1") = "6"
    & skf21("1","7","1","5","3","6","1","1") = "6"
    & skf21("1","7","1","5","3","6","2","1") = "6"
    & skf21("1","7","1","5","3","6","3","1") = "6"
    & skf21("1","7","1","5","3","6","4","1") = "6"
    & skf21("1","7","1","5","3","6","5","1") = "6"
    & skf21("1","7","1","5","3","6","6","1") = "6"
    & skf21("1","7","1","5","3","6","7","1") = "6"
    & skf21("1","7","1","5","3","7","1","1") = "6"
    & skf21("1","7","1","5","3","7","2","1") = "6"
    & skf21("1","7","1","5","3","7","3","1") = "6"
    & skf21("1","7","1","5","3","7","4","1") = "6"
    & skf21("1","7","1","5","3","7","5","1") = "6"
    & skf21("1","7","1","5","3","7","6","1") = "6"
    & skf21("1","7","1","5","3","7","7","1") = "6"
    & skf21("1","7","1","5","4","1","1","1") = "6"
    & skf21("1","7","1","5","4","1","2","1") = "6"
    & skf21("1","7","1","5","4","1","3","1") = "6"
    & skf21("1","7","1","5","4","1","4","1") = "6"
    & skf21("1","7","1","5","4","1","5","1") = "6"
    & skf21("1","7","1","5","4","1","6","1") = "6"
    & skf21("1","7","1","5","4","1","7","1") = "6"
    & skf21("1","7","1","5","4","2","1","1") = "6"
    & skf21("1","7","1","5","4","2","2","1") = "6"
    & skf21("1","7","1","5","4","2","3","1") = "6"
    & skf21("1","7","1","5","4","2","4","1") = "6"
    & skf21("1","7","1","5","4","2","5","1") = "6"
    & skf21("1","7","1","5","4","2","6","1") = "6"
    & skf21("1","7","1","5","4","2","7","1") = "6"
    & skf21("1","7","1","5","4","3","1","1") = "6"
    & skf21("1","7","1","5","4","3","2","1") = "6"
    & skf21("1","7","1","5","4","3","3","1") = "6"
    & skf21("1","7","1","5","4","3","4","1") = "6"
    & skf21("1","7","1","5","4","3","5","1") = "6"
    & skf21("1","7","1","5","4","3","6","1") = "6"
    & skf21("1","7","1","5","4","3","7","1") = "6"
    & skf21("1","7","1","5","4","4","1","1") = "6"
    & skf21("1","7","1","5","4","4","2","1") = "6"
    & skf21("1","7","1","5","4","4","3","1") = "6"
    & skf21("1","7","1","5","4","4","4","1") = "6"
    & skf21("1","7","1","5","4","4","5","1") = "6"
    & skf21("1","7","1","5","4","4","6","1") = "6"
    & skf21("1","7","1","5","4","4","7","1") = "6"
    & skf21("1","7","1","5","4","5","1","1") = "6"
    & skf21("1","7","1","5","4","5","2","1") = "6"
    & skf21("1","7","1","5","4","5","3","1") = "6"
    & skf21("1","7","1","5","4","5","4","1") = "6"
    & skf21("1","7","1","5","4","5","5","1") = "6"
    & skf21("1","7","1","5","4","5","6","1") = "6"
    & skf21("1","7","1","5","4","5","7","1") = "6"
    & skf21("1","7","1","5","4","6","1","1") = "6"
    & skf21("1","7","1","5","4","6","2","1") = "6"
    & skf21("1","7","1","5","4","6","3","1") = "6"
    & skf21("1","7","1","5","4","6","4","1") = "6"
    & skf21("1","7","1","5","4","6","5","1") = "6"
    & skf21("1","7","1","5","4","6","6","1") = "6"
    & skf21("1","7","1","5","4","6","7","1") = "6"
    & skf21("1","7","1","5","4","7","1","1") = "6"
    & skf21("1","7","1","5","4","7","2","1") = "6"
    & skf21("1","7","1","5","4","7","3","1") = "6"
    & skf21("1","7","1","5","4","7","4","1") = "6"
    & skf21("1","7","1","5","4","7","5","1") = "6"
    & skf21("1","7","1","5","4","7","6","1") = "6"
    & skf21("1","7","1","5","4","7","7","1") = "6"
    & skf21("1","7","1","5","5","1","1","1") = "6"
    & skf21("1","7","1","5","5","1","2","1") = "6"
    & skf21("1","7","1","5","5","1","3","1") = "6"
    & skf21("1","7","1","5","5","1","4","1") = "6"
    & skf21("1","7","1","5","5","1","5","1") = "6"
    & skf21("1","7","1","5","5","1","6","1") = "6"
    & skf21("1","7","1","5","5","1","7","1") = "6"
    & skf21("1","7","1","5","5","2","1","1") = "6"
    & skf21("1","7","1","5","5","2","2","1") = "6"
    & skf21("1","7","1","5","5","2","3","1") = "6"
    & skf21("1","7","1","5","5","2","4","1") = "6"
    & skf21("1","7","1","5","5","2","5","1") = "6"
    & skf21("1","7","1","5","5","2","6","1") = "6"
    & skf21("1","7","1","5","5","2","7","1") = "6"
    & skf21("1","7","1","5","5","3","1","1") = "6"
    & skf21("1","7","1","5","5","3","2","1") = "6"
    & skf21("1","7","1","5","5","3","3","1") = "6"
    & skf21("1","7","1","5","5","3","4","1") = "6"
    & skf21("1","7","1","5","5","3","5","1") = "6"
    & skf21("1","7","1","5","5","3","6","1") = "6"
    & skf21("1","7","1","5","5","3","7","1") = "6"
    & skf21("1","7","1","5","5","4","1","1") = "6"
    & skf21("1","7","1","5","5","4","2","1") = "6"
    & skf21("1","7","1","5","5","4","3","1") = "6"
    & skf21("1","7","1","5","5","4","4","1") = "6"
    & skf21("1","7","1","5","5","4","5","1") = "6"
    & skf21("1","7","1","5","5","4","6","1") = "6"
    & skf21("1","7","1","5","5","4","7","1") = "6"
    & skf21("1","7","1","5","5","5","1","1") = "6"
    & skf21("1","7","1","5","5","5","2","1") = "6"
    & skf21("1","7","1","5","5","5","3","1") = "6"
    & skf21("1","7","1","5","5","5","4","1") = "6"
    & skf21("1","7","1","5","5","5","5","1") = "6"
    & skf21("1","7","1","5","5","5","6","1") = "6"
    & skf21("1","7","1","5","5","5","7","1") = "6"
    & skf21("1","7","1","5","5","6","1","1") = "6"
    & skf21("1","7","1","5","5","6","2","1") = "6"
    & skf21("1","7","1","5","5","6","3","1") = "6"
    & skf21("1","7","1","5","5","6","4","1") = "6"
    & skf21("1","7","1","5","5","6","5","1") = "6"
    & skf21("1","7","1","5","5","6","6","1") = "6"
    & skf21("1","7","1","5","5","6","7","1") = "6"
    & skf21("1","7","1","5","5","7","1","1") = "6"
    & skf21("1","7","1","5","5","7","2","1") = "6"
    & skf21("1","7","1","5","5","7","3","1") = "6"
    & skf21("1","7","1","5","5","7","4","1") = "6"
    & skf21("1","7","1","5","5","7","5","1") = "6"
    & skf21("1","7","1","5","5","7","6","1") = "6"
    & skf21("1","7","1","5","5","7","7","1") = "6"
    & skf21("1","7","1","5","6","1","1","1") = "6"
    & skf21("1","7","1","5","6","1","2","1") = "6"
    & skf21("1","7","1","5","6","1","3","1") = "6"
    & skf21("1","7","1","5","6","1","4","1") = "6"
    & skf21("1","7","1","5","6","1","5","1") = "6"
    & skf21("1","7","1","5","6","1","6","1") = "6"
    & skf21("1","7","1","5","6","1","7","1") = "6"
    & skf21("1","7","1","5","6","2","1","1") = "6"
    & skf21("1","7","1","5","6","2","2","1") = "6"
    & skf21("1","7","1","5","6","2","3","1") = "6"
    & skf21("1","7","1","5","6","2","4","1") = "6"
    & skf21("1","7","1","5","6","2","5","1") = "6"
    & skf21("1","7","1","5","6","2","6","1") = "6"
    & skf21("1","7","1","5","6","2","7","1") = "6"
    & skf21("1","7","1","5","6","3","1","1") = "6"
    & skf21("1","7","1","5","6","3","2","1") = "6"
    & skf21("1","7","1","5","6","3","3","1") = "6"
    & skf21("1","7","1","5","6","3","4","1") = "6"
    & skf21("1","7","1","5","6","3","5","1") = "6"
    & skf21("1","7","1","5","6","3","6","1") = "6"
    & skf21("1","7","1","5","6","3","7","1") = "6"
    & skf21("1","7","1","5","6","4","1","1") = "6"
    & skf21("1","7","1","5","6","4","2","1") = "6"
    & skf21("1","7","1","5","6","4","3","1") = "6"
    & skf21("1","7","1","5","6","4","4","1") = "6"
    & skf21("1","7","1","5","6","4","5","1") = "6"
    & skf21("1","7","1","5","6","4","6","1") = "6"
    & skf21("1","7","1","5","6","4","7","1") = "6"
    & skf21("1","7","1","5","6","5","1","1") = "6"
    & skf21("1","7","1","5","6","5","2","1") = "6"
    & skf21("1","7","1","5","6","5","3","1") = "6"
    & skf21("1","7","1","5","6","5","4","1") = "6"
    & skf21("1","7","1","5","6","5","5","1") = "6"
    & skf21("1","7","1","5","6","5","6","1") = "6"
    & skf21("1","7","1","5","6","5","7","1") = "6"
    & skf21("1","7","1","5","6","6","1","1") = "6"
    & skf21("1","7","1","5","6","6","2","1") = "6"
    & skf21("1","7","1","5","6","6","3","1") = "6"
    & skf21("1","7","1","5","6","6","4","1") = "6"
    & skf21("1","7","1","5","6","6","5","1") = "6"
    & skf21("1","7","1","5","6","6","6","1") = "6"
    & skf21("1","7","1","5","6","6","7","1") = "6"
    & skf21("1","7","1","5","6","7","1","1") = "6"
    & skf21("1","7","1","5","6","7","2","1") = "6"
    & skf21("1","7","1","5","6","7","3","1") = "6"
    & skf21("1","7","1","5","6","7","4","1") = "6"
    & skf21("1","7","1","5","6","7","5","1") = "6"
    & skf21("1","7","1","5","6","7","6","1") = "6"
    & skf21("1","7","1","5","6","7","7","1") = "6"
    & skf21("1","7","1","5","7","1","1","1") = "6"
    & skf21("1","7","1","5","7","1","2","1") = "6"
    & skf21("1","7","1","5","7","1","3","1") = "6"
    & skf21("1","7","1","5","7","1","4","1") = "6"
    & skf21("1","7","1","5","7","1","5","1") = "6"
    & skf21("1","7","1","5","7","1","6","1") = "6"
    & skf21("1","7","1","5","7","1","7","1") = "6"
    & skf21("1","7","1","5","7","2","1","1") = "6"
    & skf21("1","7","1","5","7","2","2","1") = "6"
    & skf21("1","7","1","5","7","2","3","1") = "6"
    & skf21("1","7","1","5","7","2","4","1") = "6"
    & skf21("1","7","1","5","7","2","5","1") = "6"
    & skf21("1","7","1","5","7","2","6","1") = "6"
    & skf21("1","7","1","5","7","2","7","1") = "6"
    & skf21("1","7","1","5","7","3","1","1") = "6"
    & skf21("1","7","1","5","7","3","2","1") = "6"
    & skf21("1","7","1","5","7","3","3","1") = "6"
    & skf21("1","7","1","5","7","3","4","1") = "6"
    & skf21("1","7","1","5","7","3","5","1") = "6"
    & skf21("1","7","1","5","7","3","6","1") = "6"
    & skf21("1","7","1","5","7","3","7","1") = "6"
    & skf21("1","7","1","5","7","4","1","1") = "6"
    & skf21("1","7","1","5","7","4","2","1") = "6"
    & skf21("1","7","1","5","7","4","3","1") = "6"
    & skf21("1","7","1","5","7","4","4","1") = "6"
    & skf21("1","7","1","5","7","4","5","1") = "6"
    & skf21("1","7","1","5","7","4","6","1") = "6"
    & skf21("1","7","1","5","7","4","7","1") = "6"
    & skf21("1","7","1","5","7","5","1","1") = "6"
    & skf21("1","7","1","5","7","5","2","1") = "6"
    & skf21("1","7","1","5","7","5","3","1") = "6"
    & skf21("1","7","1","5","7","5","4","1") = "6"
    & skf21("1","7","1","5","7","5","5","1") = "6"
    & skf21("1","7","1","5","7","5","6","1") = "6"
    & skf21("1","7","1","5","7","5","7","1") = "6"
    & skf21("1","7","1","5","7","6","1","1") = "6"
    & skf21("1","7","1","5","7","6","2","1") = "6"
    & skf21("1","7","1","5","7","6","3","1") = "6"
    & skf21("1","7","1","5","7","6","4","1") = "6"
    & skf21("1","7","1","5","7","6","5","1") = "6"
    & skf21("1","7","1","5","7","6","6","1") = "6"
    & skf21("1","7","1","5","7","6","7","1") = "6"
    & skf21("1","7","1","5","7","7","1","1") = "6"
    & skf21("1","7","1","5","7","7","2","1") = "6"
    & skf21("1","7","1","5","7","7","3","1") = "6"
    & skf21("1","7","1","5","7","7","4","1") = "6"
    & skf21("1","7","1","5","7","7","5","1") = "6"
    & skf21("1","7","1","5","7","7","6","1") = "6"
    & skf21("1","7","1","5","7","7","7","1") = "6"
    & skf21("1","7","1","6","1","1","1","1") = "6"
    & skf21("1","7","1","6","1","1","2","1") = "6"
    & skf21("1","7","1","6","1","1","3","1") = "6"
    & skf21("1","7","1","6","1","1","4","1") = "6"
    & skf21("1","7","1","6","1","1","5","1") = "6"
    & skf21("1","7","1","6","1","1","6","1") = "6"
    & skf21("1","7","1","6","1","1","7","1") = "6"
    & skf21("1","7","1","6","1","2","1","1") = "6"
    & skf21("1","7","1","6","1","2","2","1") = "6"
    & skf21("1","7","1","6","1","2","3","1") = "6"
    & skf21("1","7","1","6","1","2","4","1") = "6"
    & skf21("1","7","1","6","1","2","5","1") = "6"
    & skf21("1","7","1","6","1","2","6","1") = "6"
    & skf21("1","7","1","6","1","2","7","1") = "6"
    & skf21("1","7","1","6","1","3","1","1") = "6"
    & skf21("1","7","1","6","1","3","2","1") = "6"
    & skf21("1","7","1","6","1","3","3","1") = "6"
    & skf21("1","7","1","6","1","3","4","1") = "6"
    & skf21("1","7","1","6","1","3","5","1") = "6"
    & skf21("1","7","1","6","1","3","6","1") = "6"
    & skf21("1","7","1","6","1","3","7","1") = "6"
    & skf21("1","7","1","6","1","4","1","1") = "6"
    & skf21("1","7","1","6","1","4","2","1") = "6"
    & skf21("1","7","1","6","1","4","3","1") = "6"
    & skf21("1","7","1","6","1","4","4","1") = "6"
    & skf21("1","7","1","6","1","4","5","1") = "6"
    & skf21("1","7","1","6","1","4","6","1") = "6"
    & skf21("1","7","1","6","1","4","7","1") = "6"
    & skf21("1","7","1","6","1","5","1","1") = "6"
    & skf21("1","7","1","6","1","5","2","1") = "6"
    & skf21("1","7","1","6","1","5","3","1") = "6"
    & skf21("1","7","1","6","1","5","4","1") = "6"
    & skf21("1","7","1","6","1","5","5","1") = "6"
    & skf21("1","7","1","6","1","5","6","1") = "6"
    & skf21("1","7","1","6","1","5","7","1") = "6"
    & skf21("1","7","1","6","1","6","1","1") = "6"
    & skf21("1","7","1","6","1","6","2","1") = "6"
    & skf21("1","7","1","6","1","6","3","1") = "6"
    & skf21("1","7","1","6","1","6","4","1") = "6"
    & skf21("1","7","1","6","1","6","5","1") = "6"
    & skf21("1","7","1","6","1","6","6","1") = "6"
    & skf21("1","7","1","6","1","6","7","1") = "6"
    & skf21("1","7","1","6","1","7","1","1") = "6"
    & skf21("1","7","1","6","1","7","2","1") = "6"
    & skf21("1","7","1","6","1","7","3","1") = "6"
    & skf21("1","7","1","6","1","7","4","1") = "6"
    & skf21("1","7","1","6","1","7","5","1") = "6"
    & skf21("1","7","1","6","1","7","6","1") = "6"
    & skf21("1","7","1","6","1","7","7","1") = "6"
    & skf21("1","7","1","6","2","1","1","1") = "6"
    & skf21("1","7","1","6","2","1","2","1") = "6"
    & skf21("1","7","1","6","2","1","3","1") = "6"
    & skf21("1","7","1","6","2","1","4","1") = "6"
    & skf21("1","7","1","6","2","1","5","1") = "6"
    & skf21("1","7","1","6","2","1","6","1") = "6"
    & skf21("1","7","1","6","2","1","7","1") = "6"
    & skf21("1","7","1","6","2","2","1","1") = "6"
    & skf21("1","7","1","6","2","2","2","1") = "6"
    & skf21("1","7","1","6","2","2","3","1") = "6"
    & skf21("1","7","1","6","2","2","4","1") = "6"
    & skf21("1","7","1","6","2","2","5","1") = "6"
    & skf21("1","7","1","6","2","2","6","1") = "6"
    & skf21("1","7","1","6","2","2","7","1") = "6"
    & skf21("1","7","1","6","2","3","1","1") = "6"
    & skf21("1","7","1","6","2","3","2","1") = "6"
    & skf21("1","7","1","6","2","3","3","1") = "6"
    & skf21("1","7","1","6","2","3","4","1") = "6"
    & skf21("1","7","1","6","2","3","5","1") = "6"
    & skf21("1","7","1","6","2","3","6","1") = "6"
    & skf21("1","7","1","6","2","3","7","1") = "6"
    & skf21("1","7","1","6","2","4","1","1") = "6"
    & skf21("1","7","1","6","2","4","2","1") = "6"
    & skf21("1","7","1","6","2","4","3","1") = "6"
    & skf21("1","7","1","6","2","4","4","1") = "6"
    & skf21("1","7","1","6","2","4","5","1") = "6"
    & skf21("1","7","1","6","2","4","6","1") = "6"
    & skf21("1","7","1","6","2","4","7","1") = "6"
    & skf21("1","7","1","6","2","5","1","1") = "6"
    & skf21("1","7","1","6","2","5","2","1") = "6"
    & skf21("1","7","1","6","2","5","3","1") = "6"
    & skf21("1","7","1","6","2","5","4","1") = "6"
    & skf21("1","7","1","6","2","5","5","1") = "6"
    & skf21("1","7","1","6","2","5","6","1") = "6"
    & skf21("1","7","1","6","2","5","7","1") = "6"
    & skf21("1","7","1","6","2","6","1","1") = "6"
    & skf21("1","7","1","6","2","6","2","1") = "6"
    & skf21("1","7","1","6","2","6","3","1") = "6"
    & skf21("1","7","1","6","2","6","4","1") = "6"
    & skf21("1","7","1","6","2","6","5","1") = "6"
    & skf21("1","7","1","6","2","6","6","1") = "6"
    & skf21("1","7","1","6","2","6","7","1") = "6"
    & skf21("1","7","1","6","2","7","1","1") = "6"
    & skf21("1","7","1","6","2","7","2","1") = "6"
    & skf21("1","7","1","6","2","7","3","1") = "6"
    & skf21("1","7","1","6","2","7","4","1") = "6"
    & skf21("1","7","1","6","2","7","5","1") = "6"
    & skf21("1","7","1","6","2","7","6","1") = "6"
    & skf21("1","7","1","6","2","7","7","1") = "6"
    & skf21("1","7","1","6","3","1","1","1") = "6"
    & skf21("1","7","1","6","3","1","2","1") = "6"
    & skf21("1","7","1","6","3","1","3","1") = "6"
    & skf21("1","7","1","6","3","1","4","1") = "6"
    & skf21("1","7","1","6","3","1","5","1") = "6"
    & skf21("1","7","1","6","3","1","6","1") = "6"
    & skf21("1","7","1","6","3","1","7","1") = "6"
    & skf21("1","7","1","6","3","2","1","1") = "6"
    & skf21("1","7","1","6","3","2","2","1") = "6"
    & skf21("1","7","1","6","3","2","3","1") = "6"
    & skf21("1","7","1","6","3","2","4","1") = "6"
    & skf21("1","7","1","6","3","2","5","1") = "6"
    & skf21("1","7","1","6","3","2","6","1") = "6"
    & skf21("1","7","1","6","3","2","7","1") = "6"
    & skf21("1","7","1","6","3","3","1","1") = "6"
    & skf21("1","7","1","6","3","3","2","1") = "6"
    & skf21("1","7","1","6","3","3","3","1") = "6"
    & skf21("1","7","1","6","3","3","4","1") = "6"
    & skf21("1","7","1","6","3","3","5","1") = "6"
    & skf21("1","7","1","6","3","3","6","1") = "6"
    & skf21("1","7","1","6","3","3","7","1") = "6"
    & skf21("1","7","1","6","3","4","1","1") = "6"
    & skf21("1","7","1","6","3","4","2","1") = "6"
    & skf21("1","7","1","6","3","4","3","1") = "6"
    & skf21("1","7","1","6","3","4","4","1") = "6"
    & skf21("1","7","1","6","3","4","5","1") = "6"
    & skf21("1","7","1","6","3","4","6","1") = "6"
    & skf21("1","7","1","6","3","4","7","1") = "6"
    & skf21("1","7","1","6","3","5","1","1") = "6"
    & skf21("1","7","1","6","3","5","2","1") = "6"
    & skf21("1","7","1","6","3","5","3","1") = "6"
    & skf21("1","7","1","6","3","5","4","1") = "6"
    & skf21("1","7","1","6","3","5","5","1") = "6"
    & skf21("1","7","1","6","3","5","6","1") = "6"
    & skf21("1","7","1","6","3","5","7","1") = "6"
    & skf21("1","7","1","6","3","6","1","1") = "6"
    & skf21("1","7","1","6","3","6","2","1") = "6"
    & skf21("1","7","1","6","3","6","3","1") = "6"
    & skf21("1","7","1","6","3","6","4","1") = "6"
    & skf21("1","7","1","6","3","6","5","1") = "6"
    & skf21("1","7","1","6","3","6","6","1") = "6"
    & skf21("1","7","1","6","3","6","7","1") = "6"
    & skf21("1","7","1","6","3","7","1","1") = "6"
    & skf21("1","7","1","6","3","7","2","1") = "6"
    & skf21("1","7","1","6","3","7","3","1") = "6"
    & skf21("1","7","1","6","3","7","4","1") = "6"
    & skf21("1","7","1","6","3","7","5","1") = "6"
    & skf21("1","7","1","6","3","7","6","1") = "6"
    & skf21("1","7","1","6","3","7","7","1") = "6"
    & skf21("1","7","1","6","4","1","1","1") = "6"
    & skf21("1","7","1","6","4","1","2","1") = "6"
    & skf21("1","7","1","6","4","1","3","1") = "6"
    & skf21("1","7","1","6","4","1","4","1") = "6"
    & skf21("1","7","1","6","4","1","5","1") = "6"
    & skf21("1","7","1","6","4","1","6","1") = "6"
    & skf21("1","7","1","6","4","1","7","1") = "6"
    & skf21("1","7","1","6","4","2","1","1") = "6"
    & skf21("1","7","1","6","4","2","2","1") = "6"
    & skf21("1","7","1","6","4","2","3","1") = "6"
    & skf21("1","7","1","6","4","2","4","1") = "6"
    & skf21("1","7","1","6","4","2","5","1") = "6"
    & skf21("1","7","1","6","4","2","6","1") = "6"
    & skf21("1","7","1","6","4","2","7","1") = "6"
    & skf21("1","7","1","6","4","3","1","1") = "6"
    & skf21("1","7","1","6","4","3","2","1") = "6"
    & skf21("1","7","1","6","4","3","3","1") = "6"
    & skf21("1","7","1","6","4","3","4","1") = "6"
    & skf21("1","7","1","6","4","3","5","1") = "6"
    & skf21("1","7","1","6","4","3","6","1") = "6"
    & skf21("1","7","1","6","4","3","7","1") = "6"
    & skf21("1","7","1","6","4","4","1","1") = "6"
    & skf21("1","7","1","6","4","4","2","1") = "6"
    & skf21("1","7","1","6","4","4","3","1") = "6"
    & skf21("1","7","1","6","4","4","4","1") = "6"
    & skf21("1","7","1","6","4","4","5","1") = "6"
    & skf21("1","7","1","6","4","4","6","1") = "6"
    & skf21("1","7","1","6","4","4","7","1") = "6"
    & skf21("1","7","1","6","4","5","1","1") = "6"
    & skf21("1","7","1","6","4","5","2","1") = "6"
    & skf21("1","7","1","6","4","5","3","1") = "6"
    & skf21("1","7","1","6","4","5","4","1") = "6"
    & skf21("1","7","1","6","4","5","5","1") = "6"
    & skf21("1","7","1","6","4","5","6","1") = "6"
    & skf21("1","7","1","6","4","5","7","1") = "6"
    & skf21("1","7","1","6","4","6","1","1") = "6"
    & skf21("1","7","1","6","4","6","2","1") = "6"
    & skf21("1","7","1","6","4","6","3","1") = "6"
    & skf21("1","7","1","6","4","6","4","1") = "6"
    & skf21("1","7","1","6","4","6","5","1") = "6"
    & skf21("1","7","1","6","4","6","6","1") = "6"
    & skf21("1","7","1","6","4","6","7","1") = "6"
    & skf21("1","7","1","6","4","7","1","1") = "6"
    & skf21("1","7","1","6","4","7","2","1") = "6"
    & skf21("1","7","1","6","4","7","3","1") = "6"
    & skf21("1","7","1","6","4","7","4","1") = "6"
    & skf21("1","7","1","6","4","7","5","1") = "6"
    & skf21("1","7","1","6","4","7","6","1") = "6"
    & skf21("1","7","1","6","4","7","7","1") = "6"
    & skf21("1","7","1","6","5","1","1","1") = "6"
    & skf21("1","7","1","6","5","1","2","1") = "6"
    & skf21("1","7","1","6","5","1","3","1") = "6"
    & skf21("1","7","1","6","5","1","4","1") = "6"
    & skf21("1","7","1","6","5","1","5","1") = "6"
    & skf21("1","7","1","6","5","1","6","1") = "6"
    & skf21("1","7","1","6","5","1","7","1") = "6"
    & skf21("1","7","1","6","5","2","1","1") = "6"
    & skf21("1","7","1","6","5","2","2","1") = "6"
    & skf21("1","7","1","6","5","2","3","1") = "6"
    & skf21("1","7","1","6","5","2","4","1") = "6"
    & skf21("1","7","1","6","5","2","5","1") = "6"
    & skf21("1","7","1","6","5","2","6","1") = "6"
    & skf21("1","7","1","6","5","2","7","1") = "6"
    & skf21("1","7","1","6","5","3","1","1") = "6"
    & skf21("1","7","1","6","5","3","2","1") = "6"
    & skf21("1","7","1","6","5","3","3","1") = "6"
    & skf21("1","7","1","6","5","3","4","1") = "6"
    & skf21("1","7","1","6","5","3","5","1") = "6"
    & skf21("1","7","1","6","5","3","6","1") = "6"
    & skf21("1","7","1","6","5","3","7","1") = "6"
    & skf21("1","7","1","6","5","4","1","1") = "6"
    & skf21("1","7","1","6","5","4","2","1") = "6"
    & skf21("1","7","1","6","5","4","3","1") = "6"
    & skf21("1","7","1","6","5","4","4","1") = "6"
    & skf21("1","7","1","6","5","4","5","1") = "6"
    & skf21("1","7","1","6","5","4","6","1") = "6"
    & skf21("1","7","1","6","5","4","7","1") = "6"
    & skf21("1","7","1","6","5","5","1","1") = "6"
    & skf21("1","7","1","6","5","5","2","1") = "6"
    & skf21("1","7","1","6","5","5","3","1") = "6"
    & skf21("1","7","1","6","5","5","4","1") = "6"
    & skf21("1","7","1","6","5","5","5","1") = "6"
    & skf21("1","7","1","6","5","5","6","1") = "6"
    & skf21("1","7","1","6","5","5","7","1") = "6"
    & skf21("1","7","1","6","5","6","1","1") = "6"
    & skf21("1","7","1","6","5","6","2","1") = "6"
    & skf21("1","7","1","6","5","6","3","1") = "6"
    & skf21("1","7","1","6","5","6","4","1") = "6"
    & skf21("1","7","1","6","5","6","5","1") = "6"
    & skf21("1","7","1","6","5","6","6","1") = "6"
    & skf21("1","7","1","6","5","6","7","1") = "6"
    & skf21("1","7","1","6","5","7","1","1") = "6"
    & skf21("1","7","1","6","5","7","2","1") = "6"
    & skf21("1","7","1","6","5","7","3","1") = "6"
    & skf21("1","7","1","6","5","7","4","1") = "6"
    & skf21("1","7","1","6","5","7","5","1") = "6"
    & skf21("1","7","1","6","5","7","6","1") = "6"
    & skf21("1","7","1","6","5","7","7","1") = "6"
    & skf21("1","7","1","6","6","1","1","1") = "6"
    & skf21("1","7","1","6","6","1","2","1") = "6"
    & skf21("1","7","1","6","6","1","3","1") = "6"
    & skf21("1","7","1","6","6","1","4","1") = "6"
    & skf21("1","7","1","6","6","1","5","1") = "6"
    & skf21("1","7","1","6","6","1","6","1") = "6"
    & skf21("1","7","1","6","6","1","7","1") = "6"
    & skf21("1","7","1","6","6","2","1","1") = "6"
    & skf21("1","7","1","6","6","2","2","1") = "6"
    & skf21("1","7","1","6","6","2","3","1") = "6"
    & skf21("1","7","1","6","6","2","4","1") = "6"
    & skf21("1","7","1","6","6","2","5","1") = "6"
    & skf21("1","7","1","6","6","2","6","1") = "6"
    & skf21("1","7","1","6","6","2","7","1") = "6"
    & skf21("1","7","1","6","6","3","1","1") = "6"
    & skf21("1","7","1","6","6","3","2","1") = "6"
    & skf21("1","7","1","6","6","3","3","1") = "6"
    & skf21("1","7","1","6","6","3","4","1") = "6"
    & skf21("1","7","1","6","6","3","5","1") = "6"
    & skf21("1","7","1","6","6","3","6","1") = "6"
    & skf21("1","7","1","6","6","3","7","1") = "6"
    & skf21("1","7","1","6","6","4","1","1") = "6"
    & skf21("1","7","1","6","6","4","2","1") = "6"
    & skf21("1","7","1","6","6","4","3","1") = "6"
    & skf21("1","7","1","6","6","4","4","1") = "6"
    & skf21("1","7","1","6","6","4","5","1") = "6"
    & skf21("1","7","1","6","6","4","6","1") = "6"
    & skf21("1","7","1","6","6","4","7","1") = "6"
    & skf21("1","7","1","6","6","5","1","1") = "6"
    & skf21("1","7","1","6","6","5","2","1") = "6"
    & skf21("1","7","1","6","6","5","3","1") = "6"
    & skf21("1","7","1","6","6","5","4","1") = "6"
    & skf21("1","7","1","6","6","5","5","1") = "6"
    & skf21("1","7","1","6","6","5","6","1") = "6"
    & skf21("1","7","1","6","6","5","7","1") = "6"
    & skf21("1","7","1","6","6","6","1","1") = "6"
    & skf21("1","7","1","6","6","6","2","1") = "6"
    & skf21("1","7","1","6","6","6","3","1") = "6"
    & skf21("1","7","1","6","6","6","4","1") = "6"
    & skf21("1","7","1","6","6","6","5","1") = "6"
    & skf21("1","7","1","6","6","6","6","1") = "6"
    & skf21("1","7","1","6","6","6","7","1") = "6"
    & skf21("1","7","1","6","6","7","1","1") = "6"
    & skf21("1","7","1","6","6","7","2","1") = "6"
    & skf21("1","7","1","6","6","7","3","1") = "6"
    & skf21("1","7","1","6","6","7","4","1") = "6"
    & skf21("1","7","1","6","6","7","5","1") = "6"
    & skf21("1","7","1","6","6","7","6","1") = "6"
    & skf21("1","7","1","6","6","7","7","1") = "6"
    & skf21("1","7","1","6","7","1","1","1") = "6"
    & skf21("1","7","1","6","7","1","2","1") = "6"
    & skf21("1","7","1","6","7","1","3","1") = "6"
    & skf21("1","7","1","6","7","1","4","1") = "6"
    & skf21("1","7","1","6","7","1","5","1") = "6"
    & skf21("1","7","1","6","7","1","6","1") = "6"
    & skf21("1","7","1","6","7","1","7","1") = "6"
    & skf21("1","7","1","6","7","2","1","1") = "6"
    & skf21("1","7","1","6","7","2","2","1") = "6"
    & skf21("1","7","1","6","7","2","3","1") = "6"
    & skf21("1","7","1","6","7","2","4","1") = "6"
    & skf21("1","7","1","6","7","2","5","1") = "6"
    & skf21("1","7","1","6","7","2","6","1") = "6"
    & skf21("1","7","1","6","7","2","7","1") = "6"
    & skf21("1","7","1","6","7","3","1","1") = "6"
    & skf21("1","7","1","6","7","3","2","1") = "6"
    & skf21("1","7","1","6","7","3","3","1") = "6"
    & skf21("1","7","1","6","7","3","4","1") = "6"
    & skf21("1","7","1","6","7","3","5","1") = "6"
    & skf21("1","7","1","6","7","3","6","1") = "6"
    & skf21("1","7","1","6","7","3","7","1") = "6"
    & skf21("1","7","1","6","7","4","1","1") = "6"
    & skf21("1","7","1","6","7","4","2","1") = "6"
    & skf21("1","7","1","6","7","4","3","1") = "6"
    & skf21("1","7","1","6","7","4","4","1") = "6"
    & skf21("1","7","1","6","7","4","5","1") = "6"
    & skf21("1","7","1","6","7","4","6","1") = "6"
    & skf21("1","7","1","6","7","4","7","1") = "6"
    & skf21("1","7","1","6","7","5","1","1") = "6"
    & skf21("1","7","1","6","7","5","2","1") = "6"
    & skf21("1","7","1","6","7","5","3","1") = "6"
    & skf21("1","7","1","6","7","5","4","1") = "6"
    & skf21("1","7","1","6","7","5","5","1") = "6"
    & skf21("1","7","1","6","7","5","6","1") = "6"
    & skf21("1","7","1","6","7","5","7","1") = "6"
    & skf21("1","7","1","6","7","6","1","1") = "6"
    & skf21("1","7","1","6","7","6","2","1") = "6"
    & skf21("1","7","1","6","7","6","3","1") = "6"
    & skf21("1","7","1","6","7","6","4","1") = "6"
    & skf21("1","7","1","6","7","6","5","1") = "6"
    & skf21("1","7","1","6","7","6","6","1") = "6"
    & skf21("1","7","1","6","7","6","7","1") = "6"
    & skf21("1","7","1","6","7","7","1","1") = "6"
    & skf21("1","7","1","6","7","7","2","1") = "6"
    & skf21("1","7","1","6","7","7","3","1") = "6"
    & skf21("1","7","1","6","7","7","4","1") = "6"
    & skf21("1","7","1","6","7","7","5","1") = "6"
    & skf21("1","7","1","6","7","7","6","1") = "6"
    & skf21("1","7","1","6","7","7","7","1") = "6"
    & skf21("1","7","1","7","1","1","1","1") = "6"
    & skf21("1","7","1","7","1","1","2","1") = "6"
    & skf21("1","7","1","7","1","1","3","1") = "6"
    & skf21("1","7","1","7","1","1","4","1") = "6"
    & skf21("1","7","1","7","1","1","5","1") = "6"
    & skf21("1","7","1","7","1","1","6","1") = "6"
    & skf21("1","7","1","7","1","1","7","1") = "6"
    & skf21("1","7","1","7","1","2","1","1") = "6"
    & skf21("1","7","1","7","1","2","2","1") = "6"
    & skf21("1","7","1","7","1","2","3","1") = "6"
    & skf21("1","7","1","7","1","2","4","1") = "6"
    & skf21("1","7","1","7","1","2","5","1") = "6"
    & skf21("1","7","1","7","1","2","6","1") = "6"
    & skf21("1","7","1","7","1","2","7","1") = "6"
    & skf21("1","7","1","7","1","3","1","1") = "6"
    & skf21("1","7","1","7","1","3","2","1") = "6"
    & skf21("1","7","1","7","1","3","3","1") = "6"
    & skf21("1","7","1","7","1","3","4","1") = "6"
    & skf21("1","7","1","7","1","3","5","1") = "6"
    & skf21("1","7","1","7","1","3","6","1") = "6"
    & skf21("1","7","1","7","1","3","7","1") = "6"
    & skf21("1","7","1","7","1","4","1","1") = "6"
    & skf21("1","7","1","7","1","4","2","1") = "6"
    & skf21("1","7","1","7","1","4","3","1") = "6"
    & skf21("1","7","1","7","1","4","4","1") = "6"
    & skf21("1","7","1","7","1","4","5","1") = "6"
    & skf21("1","7","1","7","1","4","6","1") = "6"
    & skf21("1","7","1","7","1","4","7","1") = "6"
    & skf21("1","7","1","7","1","5","1","1") = "6"
    & skf21("1","7","1","7","1","5","2","1") = "6"
    & skf21("1","7","1","7","1","5","3","1") = "6"
    & skf21("1","7","1","7","1","5","4","1") = "6"
    & skf21("1","7","1","7","1","5","5","1") = "6"
    & skf21("1","7","1","7","1","5","6","1") = "6"
    & skf21("1","7","1","7","1","5","7","1") = "6"
    & skf21("1","7","1","7","1","6","1","1") = "6"
    & skf21("1","7","1","7","1","6","2","1") = "6"
    & skf21("1","7","1","7","1","6","3","1") = "6"
    & skf21("1","7","1","7","1","6","4","1") = "6"
    & skf21("1","7","1","7","1","6","5","1") = "6"
    & skf21("1","7","1","7","1","6","6","1") = "6"
    & skf21("1","7","1","7","1","6","7","1") = "6"
    & skf21("1","7","1","7","1","7","1","1") = "6"
    & skf21("1","7","1","7","1","7","2","1") = "6"
    & skf21("1","7","1","7","1","7","3","1") = "6"
    & skf21("1","7","1","7","1","7","4","1") = "6"
    & skf21("1","7","1","7","1","7","5","1") = "6"
    & skf21("1","7","1","7","1","7","6","1") = "6"
    & skf21("1","7","1","7","1","7","7","1") = "6"
    & skf21("1","7","1","7","2","1","1","1") = "6"
    & skf21("1","7","1","7","2","1","2","1") = "6"
    & skf21("1","7","1","7","2","1","3","1") = "6"
    & skf21("1","7","1","7","2","1","4","1") = "6"
    & skf21("1","7","1","7","2","1","5","1") = "6"
    & skf21("1","7","1","7","2","1","6","1") = "6"
    & skf21("1","7","1","7","2","1","7","1") = "6"
    & skf21("1","7","1","7","2","2","1","1") = "6"
    & skf21("1","7","1","7","2","2","2","1") = "6"
    & skf21("1","7","1","7","2","2","3","1") = "6"
    & skf21("1","7","1","7","2","2","4","1") = "6"
    & skf21("1","7","1","7","2","2","5","1") = "6"
    & skf21("1","7","1","7","2","2","6","1") = "6"
    & skf21("1","7","1","7","2","2","7","1") = "6"
    & skf21("1","7","1","7","2","3","1","1") = "6"
    & skf21("1","7","1","7","2","3","2","1") = "6"
    & skf21("1","7","1","7","2","3","3","1") = "6"
    & skf21("1","7","1","7","2","3","4","1") = "6"
    & skf21("1","7","1","7","2","3","5","1") = "6"
    & skf21("1","7","1","7","2","3","6","1") = "6"
    & skf21("1","7","1","7","2","3","7","1") = "6"
    & skf21("1","7","1","7","2","4","1","1") = "6"
    & skf21("1","7","1","7","2","4","2","1") = "6"
    & skf21("1","7","1","7","2","4","3","1") = "6"
    & skf21("1","7","1","7","2","4","4","1") = "6"
    & skf21("1","7","1","7","2","4","5","1") = "6"
    & skf21("1","7","1","7","2","4","6","1") = "6"
    & skf21("1","7","1","7","2","4","7","1") = "6"
    & skf21("1","7","1","7","2","5","1","1") = "6"
    & skf21("1","7","1","7","2","5","2","1") = "6"
    & skf21("1","7","1","7","2","5","3","1") = "6"
    & skf21("1","7","1","7","2","5","4","1") = "6"
    & skf21("1","7","1","7","2","5","5","1") = "6"
    & skf21("1","7","1","7","2","5","6","1") = "6"
    & skf21("1","7","1","7","2","5","7","1") = "6"
    & skf21("1","7","1","7","2","6","1","1") = "6"
    & skf21("1","7","1","7","2","6","2","1") = "6"
    & skf21("1","7","1","7","2","6","3","1") = "6"
    & skf21("1","7","1","7","2","6","4","1") = "6"
    & skf21("1","7","1","7","2","6","5","1") = "6"
    & skf21("1","7","1","7","2","6","6","1") = "6"
    & skf21("1","7","1","7","2","6","7","1") = "6"
    & skf21("1","7","1","7","2","7","1","1") = "6"
    & skf21("1","7","1","7","2","7","2","1") = "6"
    & skf21("1","7","1","7","2","7","3","1") = "6"
    & skf21("1","7","1","7","2","7","4","1") = "6"
    & skf21("1","7","1","7","2","7","5","1") = "6"
    & skf21("1","7","1","7","2","7","6","1") = "6"
    & skf21("1","7","1","7","2","7","7","1") = "6"
    & skf21("1","7","1","7","3","1","1","1") = "6"
    & skf21("1","7","1","7","3","1","2","1") = "6"
    & skf21("1","7","1","7","3","1","3","1") = "6"
    & skf21("1","7","1","7","3","1","4","1") = "6"
    & skf21("1","7","1","7","3","1","5","1") = "6"
    & skf21("1","7","1","7","3","1","6","1") = "6"
    & skf21("1","7","1","7","3","1","7","1") = "6"
    & skf21("1","7","1","7","3","2","1","1") = "6"
    & skf21("1","7","1","7","3","2","2","1") = "6"
    & skf21("1","7","1","7","3","2","3","1") = "6"
    & skf21("1","7","1","7","3","2","4","1") = "6"
    & skf21("1","7","1","7","3","2","5","1") = "6"
    & skf21("1","7","1","7","3","2","6","1") = "6"
    & skf21("1","7","1","7","3","2","7","1") = "6"
    & skf21("1","7","1","7","3","3","1","1") = "6"
    & skf21("1","7","1","7","3","3","2","1") = "6"
    & skf21("1","7","1","7","3","3","3","1") = "6"
    & skf21("1","7","1","7","3","3","4","1") = "6"
    & skf21("1","7","1","7","3","3","5","1") = "6"
    & skf21("1","7","1","7","3","3","6","1") = "6"
    & skf21("1","7","1","7","3","3","7","1") = "6"
    & skf21("1","7","1","7","3","4","1","1") = "6"
    & skf21("1","7","1","7","3","4","2","1") = "6"
    & skf21("1","7","1","7","3","4","3","1") = "6"
    & skf21("1","7","1","7","3","4","4","1") = "6"
    & skf21("1","7","1","7","3","4","5","1") = "6"
    & skf21("1","7","1","7","3","4","6","1") = "6"
    & skf21("1","7","1","7","3","4","7","1") = "6"
    & skf21("1","7","1","7","3","5","1","1") = "6"
    & skf21("1","7","1","7","3","5","2","1") = "6"
    & skf21("1","7","1","7","3","5","3","1") = "6"
    & skf21("1","7","1","7","3","5","4","1") = "6"
    & skf21("1","7","1","7","3","5","5","1") = "6"
    & skf21("1","7","1","7","3","5","6","1") = "6"
    & skf21("1","7","1","7","3","5","7","1") = "6"
    & skf21("1","7","1","7","3","6","1","1") = "6"
    & skf21("1","7","1","7","3","6","2","1") = "6"
    & skf21("1","7","1","7","3","6","3","1") = "6"
    & skf21("1","7","1","7","3","6","4","1") = "6"
    & skf21("1","7","1","7","3","6","5","1") = "6"
    & skf21("1","7","1","7","3","6","6","1") = "6"
    & skf21("1","7","1","7","3","6","7","1") = "6"
    & skf21("1","7","1","7","3","7","1","1") = "6"
    & skf21("1","7","1","7","3","7","2","1") = "6"
    & skf21("1","7","1","7","3","7","3","1") = "6"
    & skf21("1","7","1","7","3","7","4","1") = "6"
    & skf21("1","7","1","7","3","7","5","1") = "6"
    & skf21("1","7","1","7","3","7","6","1") = "6"
    & skf21("1","7","1","7","3","7","7","1") = "6"
    & skf21("1","7","1","7","4","1","1","1") = "6"
    & skf21("1","7","1","7","4","1","2","1") = "6"
    & skf21("1","7","1","7","4","1","3","1") = "6"
    & skf21("1","7","1","7","4","1","4","1") = "6"
    & skf21("1","7","1","7","4","1","5","1") = "6"
    & skf21("1","7","1","7","4","1","6","1") = "6"
    & skf21("1","7","1","7","4","1","7","1") = "6"
    & skf21("1","7","1","7","4","2","1","1") = "6"
    & skf21("1","7","1","7","4","2","2","1") = "6"
    & skf21("1","7","1","7","4","2","3","1") = "6"
    & skf21("1","7","1","7","4","2","4","1") = "6"
    & skf21("1","7","1","7","4","2","5","1") = "6"
    & skf21("1","7","1","7","4","2","6","1") = "6"
    & skf21("1","7","1","7","4","2","7","1") = "6"
    & skf21("1","7","1","7","4","3","1","1") = "6"
    & skf21("1","7","1","7","4","3","2","1") = "6"
    & skf21("1","7","1","7","4","3","3","1") = "6"
    & skf21("1","7","1","7","4","3","4","1") = "6"
    & skf21("1","7","1","7","4","3","5","1") = "6"
    & skf21("1","7","1","7","4","3","6","1") = "6"
    & skf21("1","7","1","7","4","3","7","1") = "6"
    & skf21("1","7","1","7","4","4","1","1") = "6"
    & skf21("1","7","1","7","4","4","2","1") = "6"
    & skf21("1","7","1","7","4","4","3","1") = "6"
    & skf21("1","7","1","7","4","4","4","1") = "6"
    & skf21("1","7","1","7","4","4","5","1") = "6"
    & skf21("1","7","1","7","4","4","6","1") = "6"
    & skf21("1","7","1","7","4","4","7","1") = "6"
    & skf21("1","7","1","7","4","5","1","1") = "6"
    & skf21("1","7","1","7","4","5","2","1") = "6"
    & skf21("1","7","1","7","4","5","3","1") = "6"
    & skf21("1","7","1","7","4","5","4","1") = "6"
    & skf21("1","7","1","7","4","5","5","1") = "6"
    & skf21("1","7","1","7","4","5","6","1") = "6"
    & skf21("1","7","1","7","4","5","7","1") = "6"
    & skf21("1","7","1","7","4","6","1","1") = "6"
    & skf21("1","7","1","7","4","6","2","1") = "6"
    & skf21("1","7","1","7","4","6","3","1") = "6"
    & skf21("1","7","1","7","4","6","4","1") = "6"
    & skf21("1","7","1","7","4","6","5","1") = "6"
    & skf21("1","7","1","7","4","6","6","1") = "6"
    & skf21("1","7","1","7","4","6","7","1") = "6"
    & skf21("1","7","1","7","4","7","1","1") = "6"
    & skf21("1","7","1","7","4","7","2","1") = "6"
    & skf21("1","7","1","7","4","7","3","1") = "6"
    & skf21("1","7","1","7","4","7","4","1") = "6"
    & skf21("1","7","1","7","4","7","5","1") = "6"
    & skf21("1","7","1","7","4","7","6","1") = "6"
    & skf21("1","7","1","7","4","7","7","1") = "6"
    & skf21("1","7","1","7","5","1","1","1") = "6"
    & skf21("1","7","1","7","5","1","2","1") = "6"
    & skf21("1","7","1","7","5","1","3","1") = "6"
    & skf21("1","7","1","7","5","1","4","1") = "6"
    & skf21("1","7","1","7","5","1","5","1") = "6"
    & skf21("1","7","1","7","5","1","6","1") = "6"
    & skf21("1","7","1","7","5","1","7","1") = "6"
    & skf21("1","7","1","7","5","2","1","1") = "6"
    & skf21("1","7","1","7","5","2","2","1") = "6"
    & skf21("1","7","1","7","5","2","3","1") = "6"
    & skf21("1","7","1","7","5","2","4","1") = "6"
    & skf21("1","7","1","7","5","2","5","1") = "6"
    & skf21("1","7","1","7","5","2","6","1") = "6"
    & skf21("1","7","1","7","5","2","7","1") = "6"
    & skf21("1","7","1","7","5","3","1","1") = "6"
    & skf21("1","7","1","7","5","3","2","1") = "6"
    & skf21("1","7","1","7","5","3","3","1") = "6"
    & skf21("1","7","1","7","5","3","4","1") = "6"
    & skf21("1","7","1","7","5","3","5","1") = "6"
    & skf21("1","7","1","7","5","3","6","1") = "6"
    & skf21("1","7","1","7","5","3","7","1") = "6"
    & skf21("1","7","1","7","5","4","1","1") = "6"
    & skf21("1","7","1","7","5","4","2","1") = "6"
    & skf21("1","7","1","7","5","4","3","1") = "6"
    & skf21("1","7","1","7","5","4","4","1") = "6"
    & skf21("1","7","1","7","5","4","5","1") = "6"
    & skf21("1","7","1","7","5","4","6","1") = "6"
    & skf21("1","7","1","7","5","4","7","1") = "6"
    & skf21("1","7","1","7","5","5","1","1") = "6"
    & skf21("1","7","1","7","5","5","2","1") = "6"
    & skf21("1","7","1","7","5","5","3","1") = "6"
    & skf21("1","7","1","7","5","5","4","1") = "6"
    & skf21("1","7","1","7","5","5","5","1") = "6"
    & skf21("1","7","1","7","5","5","6","1") = "6"
    & skf21("1","7","1","7","5","5","7","1") = "6"
    & skf21("1","7","1","7","5","6","1","1") = "6"
    & skf21("1","7","1","7","5","6","2","1") = "6"
    & skf21("1","7","1","7","5","6","3","1") = "6"
    & skf21("1","7","1","7","5","6","4","1") = "6"
    & skf21("1","7","1","7","5","6","5","1") = "6"
    & skf21("1","7","1","7","5","6","6","1") = "6"
    & skf21("1","7","1","7","5","6","7","1") = "6"
    & skf21("1","7","1","7","5","7","1","1") = "6"
    & skf21("1","7","1","7","5","7","2","1") = "6"
    & skf21("1","7","1","7","5","7","3","1") = "6"
    & skf21("1","7","1","7","5","7","4","1") = "6"
    & skf21("1","7","1","7","5","7","5","1") = "6"
    & skf21("1","7","1","7","5","7","6","1") = "6"
    & skf21("1","7","1","7","5","7","7","1") = "6"
    & skf21("1","7","1","7","6","1","1","1") = "6"
    & skf21("1","7","1","7","6","1","2","1") = "6"
    & skf21("1","7","1","7","6","1","3","1") = "6"
    & skf21("1","7","1","7","6","1","4","1") = "6"
    & skf21("1","7","1","7","6","1","5","1") = "6"
    & skf21("1","7","1","7","6","1","6","1") = "6"
    & skf21("1","7","1","7","6","1","7","1") = "6"
    & skf21("1","7","1","7","6","2","1","1") = "6"
    & skf21("1","7","1","7","6","2","2","1") = "6"
    & skf21("1","7","1","7","6","2","3","1") = "6"
    & skf21("1","7","1","7","6","2","4","1") = "6"
    & skf21("1","7","1","7","6","2","5","1") = "6"
    & skf21("1","7","1","7","6","2","6","1") = "6"
    & skf21("1","7","1","7","6","2","7","1") = "6"
    & skf21("1","7","1","7","6","3","1","1") = "6"
    & skf21("1","7","1","7","6","3","2","1") = "6"
    & skf21("1","7","1","7","6","3","3","1") = "6"
    & skf21("1","7","1","7","6","3","4","1") = "6"
    & skf21("1","7","1","7","6","3","5","1") = "6"
    & skf21("1","7","1","7","6","3","6","1") = "6"
    & skf21("1","7","1","7","6","3","7","1") = "6"
    & skf21("1","7","1","7","6","4","1","1") = "6"
    & skf21("1","7","1","7","6","4","2","1") = "6"
    & skf21("1","7","1","7","6","4","3","1") = "6"
    & skf21("1","7","1","7","6","4","4","1") = "6"
    & skf21("1","7","1","7","6","4","5","1") = "6"
    & skf21("1","7","1","7","6","4","6","1") = "6"
    & skf21("1","7","1","7","6","4","7","1") = "6"
    & skf21("1","7","1","7","6","5","1","1") = "6"
    & skf21("1","7","1","7","6","5","2","1") = "6"
    & skf21("1","7","1","7","6","5","3","1") = "6"
    & skf21("1","7","1","7","6","5","4","1") = "6"
    & skf21("1","7","1","7","6","5","5","1") = "6"
    & skf21("1","7","1","7","6","5","6","1") = "6"
    & skf21("1","7","1","7","6","5","7","1") = "6"
    & skf21("1","7","1","7","6","6","1","1") = "6"
    & skf21("1","7","1","7","6","6","2","1") = "6"
    & skf21("1","7","1","7","6","6","3","1") = "6"
    & skf21("1","7","1","7","6","6","4","1") = "6"
    & skf21("1","7","1","7","6","6","5","1") = "6"
    & skf21("1","7","1","7","6","6","6","1") = "6"
    & skf21("1","7","1","7","6","6","7","1") = "6"
    & skf21("1","7","1","7","6","7","1","1") = "6"
    & skf21("1","7","1","7","6","7","2","1") = "6"
    & skf21("1","7","1","7","6","7","3","1") = "6"
    & skf21("1","7","1","7","6","7","4","1") = "6"
    & skf21("1","7","1","7","6","7","5","1") = "6"
    & skf21("1","7","1","7","6","7","6","1") = "6"
    & skf21("1","7","1","7","6","7","7","1") = "6"
    & skf21("1","7","1","7","7","1","1","1") = "6"
    & skf21("1","7","1","7","7","1","2","1") = "6"
    & skf21("1","7","1","7","7","1","3","1") = "6"
    & skf21("1","7","1","7","7","1","4","1") = "6"
    & skf21("1","7","1","7","7","1","5","1") = "6"
    & skf21("1","7","1","7","7","1","6","1") = "6"
    & skf21("1","7","1","7","7","1","7","1") = "6"
    & skf21("1","7","1","7","7","2","1","1") = "6"
    & skf21("1","7","1","7","7","2","2","1") = "6"
    & skf21("1","7","1","7","7","2","3","1") = "6"
    & skf21("1","7","1","7","7","2","4","1") = "6"
    & skf21("1","7","1","7","7","2","5","1") = "6"
    & skf21("1","7","1","7","7","2","6","1") = "6"
    & skf21("1","7","1","7","7","2","7","1") = "6"
    & skf21("1","7","1","7","7","3","1","1") = "6"
    & skf21("1","7","1","7","7","3","2","1") = "6"
    & skf21("1","7","1","7","7","3","3","1") = "6"
    & skf21("1","7","1","7","7","3","4","1") = "6"
    & skf21("1","7","1","7","7","3","5","1") = "6"
    & skf21("1","7","1","7","7","3","6","1") = "6"
    & skf21("1","7","1","7","7","3","7","1") = "6"
    & skf21("1","7","1","7","7","4","1","1") = "6"
    & skf21("1","7","1","7","7","4","2","1") = "6"
    & skf21("1","7","1","7","7","4","3","1") = "6"
    & skf21("1","7","1","7","7","4","4","1") = "6"
    & skf21("1","7","1","7","7","4","5","1") = "6"
    & skf21("1","7","1","7","7","4","6","1") = "6"
    & skf21("1","7","1","7","7","4","7","1") = "6"
    & skf21("1","7","1","7","7","5","1","1") = "6"
    & skf21("1","7","1","7","7","5","2","1") = "6"
    & skf21("1","7","1","7","7","5","3","1") = "6"
    & skf21("1","7","1","7","7","5","4","1") = "6"
    & skf21("1","7","1","7","7","5","5","1") = "6"
    & skf21("1","7","1","7","7","5","6","1") = "6"
    & skf21("1","7","1","7","7","5","7","1") = "6"
    & skf21("1","7","1","7","7","6","1","1") = "6"
    & skf21("1","7","1","7","7","6","2","1") = "6"
    & skf21("1","7","1","7","7","6","3","1") = "6"
    & skf21("1","7","1","7","7","6","4","1") = "6"
    & skf21("1","7","1","7","7","6","5","1") = "6"
    & skf21("1","7","1","7","7","6","6","1") = "6"
    & skf21("1","7","1","7","7","6","7","1") = "6"
    & skf21("1","7","1","7","7","7","1","1") = "6"
    & skf21("1","7","1","7","7","7","2","1") = "6"
    & skf21("1","7","1","7","7","7","3","1") = "6"
    & skf21("1","7","1","7","7","7","4","1") = "6"
    & skf21("1","7","1","7","7","7","5","1") = "6"
    & skf21("1","7","1","7","7","7","6","1") = "6"
    & skf21("1","7","1","7","7","7","7","1") = "6"
    & skf21("1","7","2","1","1","1","1","1") = "6"
    & skf21("1","7","2","1","1","1","2","1") = "6"
    & skf21("1","7","2","1","1","1","3","1") = "6"
    & skf21("1","7","2","1","1","1","4","1") = "6"
    & skf21("1","7","2","1","1","1","5","1") = "6"
    & skf21("1","7","2","1","1","1","6","1") = "6"
    & skf21("1","7","2","1","1","1","7","1") = "6"
    & skf21("1","7","2","1","1","2","1","1") = "6"
    & skf21("1","7","2","1","1","2","2","1") = "6"
    & skf21("1","7","2","1","1","2","3","1") = "6"
    & skf21("1","7","2","1","1","2","4","1") = "6"
    & skf21("1","7","2","1","1","2","5","1") = "6"
    & skf21("1","7","2","1","1","2","6","1") = "6"
    & skf21("1","7","2","1","1","2","7","1") = "6"
    & skf21("1","7","2","1","1","3","1","1") = "6"
    & skf21("1","7","2","1","1","3","2","1") = "6"
    & skf21("1","7","2","1","1","3","3","1") = "6"
    & skf21("1","7","2","1","1","3","4","1") = "6"
    & skf21("1","7","2","1","1","3","5","1") = "6"
    & skf21("1","7","2","1","1","3","6","1") = "6"
    & skf21("1","7","2","1","1","3","7","1") = "6"
    & skf21("1","7","2","1","1","4","1","1") = "6"
    & skf21("1","7","2","1","1","4","2","1") = "6"
    & skf21("1","7","2","1","1","4","3","1") = "6"
    & skf21("1","7","2","1","1","4","4","1") = "6"
    & skf21("1","7","2","1","1","4","5","1") = "6"
    & skf21("1","7","2","1","1","4","6","1") = "6"
    & skf21("1","7","2","1","1","4","7","1") = "6"
    & skf21("1","7","2","1","1","5","1","1") = "6"
    & skf21("1","7","2","1","1","5","2","1") = "6"
    & skf21("1","7","2","1","1","5","3","1") = "6"
    & skf21("1","7","2","1","1","5","4","1") = "6"
    & skf21("1","7","2","1","1","5","5","1") = "6"
    & skf21("1","7","2","1","1","5","6","1") = "6"
    & skf21("1","7","2","1","1","5","7","1") = "6"
    & skf21("1","7","2","1","1","6","1","1") = "6"
    & skf21("1","7","2","1","1","6","2","1") = "6"
    & skf21("1","7","2","1","1","6","3","1") = "6"
    & skf21("1","7","2","1","1","6","4","1") = "6"
    & skf21("1","7","2","1","1","6","5","1") = "6"
    & skf21("1","7","2","1","1","6","6","1") = "6"
    & skf21("1","7","2","1","1","6","7","1") = "6"
    & skf21("1","7","2","1","1","7","1","1") = "6"
    & skf21("1","7","2","1","1","7","2","1") = "6"
    & skf21("1","7","2","1","1","7","3","1") = "6"
    & skf21("1","7","2","1","1","7","4","1") = "6"
    & skf21("1","7","2","1","1","7","5","1") = "6"
    & skf21("1","7","2","1","1","7","6","1") = "6"
    & skf21("1","7","2","1","1","7","7","1") = "6"
    & skf21("1","7","2","1","2","1","1","1") = "6"
    & skf21("1","7","2","1","2","1","2","1") = "6"
    & skf21("1","7","2","1","2","1","3","1") = "6"
    & skf21("1","7","2","1","2","1","4","1") = "6"
    & skf21("1","7","2","1","2","1","5","1") = "6"
    & skf21("1","7","2","1","2","1","6","1") = "6"
    & skf21("1","7","2","1","2","1","7","1") = "6"
    & skf21("1","7","2","1","2","2","1","1") = "6"
    & skf21("1","7","2","1","2","2","2","1") = "6"
    & skf21("1","7","2","1","2","2","3","1") = "6"
    & skf21("1","7","2","1","2","2","4","1") = "6"
    & skf21("1","7","2","1","2","2","5","1") = "6"
    & skf21("1","7","2","1","2","2","6","1") = "6"
    & skf21("1","7","2","1","2","2","7","1") = "6"
    & skf21("1","7","2","1","2","3","1","1") = "6"
    & skf21("1","7","2","1","2","3","2","1") = "6"
    & skf21("1","7","2","1","2","3","3","1") = "6"
    & skf21("1","7","2","1","2","3","4","1") = "6"
    & skf21("1","7","2","1","2","3","5","1") = "6"
    & skf21("1","7","2","1","2","3","6","1") = "6"
    & skf21("1","7","2","1","2","3","7","1") = "6"
    & skf21("1","7","2","1","2","4","1","1") = "6"
    & skf21("1","7","2","1","2","4","2","1") = "6"
    & skf21("1","7","2","1","2","4","3","1") = "6"
    & skf21("1","7","2","1","2","4","4","1") = "6"
    & skf21("1","7","2","1","2","4","5","1") = "6"
    & skf21("1","7","2","1","2","4","6","1") = "6"
    & skf21("1","7","2","1","2","4","7","1") = "6"
    & skf21("1","7","2","1","2","5","1","1") = "6"
    & skf21("1","7","2","1","2","5","2","1") = "6"
    & skf21("1","7","2","1","2","5","3","1") = "6"
    & skf21("1","7","2","1","2","5","4","1") = "6"
    & skf21("1","7","2","1","2","5","5","1") = "6"
    & skf21("1","7","2","1","2","5","6","1") = "6"
    & skf21("1","7","2","1","2","5","7","1") = "6"
    & skf21("1","7","2","1","2","6","1","1") = "6"
    & skf21("1","7","2","1","2","6","2","1") = "6"
    & skf21("1","7","2","1","2","6","3","1") = "6"
    & skf21("1","7","2","1","2","6","4","1") = "6"
    & skf21("1","7","2","1","2","6","5","1") = "6"
    & skf21("1","7","2","1","2","6","6","1") = "6"
    & skf21("1","7","2","1","2","6","7","1") = "6"
    & skf21("1","7","2","1","2","7","1","1") = "6"
    & skf21("1","7","2","1","2","7","2","1") = "6"
    & skf21("1","7","2","1","2","7","3","1") = "6"
    & skf21("1","7","2","1","2","7","4","1") = "6"
    & skf21("1","7","2","1","2","7","5","1") = "6"
    & skf21("1","7","2","1","2","7","6","1") = "6"
    & skf21("1","7","2","1","2","7","7","1") = "6"
    & skf21("1","7","2","1","3","1","1","1") = "6"
    & skf21("1","7","2","1","3","1","2","1") = "6"
    & skf21("1","7","2","1","3","1","3","1") = "6"
    & skf21("1","7","2","1","3","1","4","1") = "6"
    & skf21("1","7","2","1","3","1","5","1") = "6"
    & skf21("1","7","2","1","3","1","6","1") = "6"
    & skf21("1","7","2","1","3","1","7","1") = "6"
    & skf21("1","7","2","1","3","2","1","1") = "6"
    & skf21("1","7","2","1","3","2","2","1") = "6"
    & skf21("1","7","2","1","3","2","3","1") = "6"
    & skf21("1","7","2","1","3","2","4","1") = "6"
    & skf21("1","7","2","1","3","2","5","1") = "6"
    & skf21("1","7","2","1","3","2","6","1") = "6"
    & skf21("1","7","2","1","3","2","7","1") = "6"
    & skf21("1","7","2","1","3","3","1","1") = "6"
    & skf21("1","7","2","1","3","3","2","1") = "6"
    & skf21("1","7","2","1","3","3","3","1") = "6"
    & skf21("1","7","2","1","3","3","4","1") = "6"
    & skf21("1","7","2","1","3","3","5","1") = "6"
    & skf21("1","7","2","1","3","3","6","1") = "6"
    & skf21("1","7","2","1","3","3","7","1") = "6"
    & skf21("1","7","2","1","3","4","1","1") = "6"
    & skf21("1","7","2","1","3","4","2","1") = "6"
    & skf21("1","7","2","1","3","4","3","1") = "6"
    & skf21("1","7","2","1","3","4","4","1") = "6"
    & skf21("1","7","2","1","3","4","5","1") = "6"
    & skf21("1","7","2","1","3","4","6","1") = "6"
    & skf21("1","7","2","1","3","4","7","1") = "6"
    & skf21("1","7","2","1","3","5","1","1") = "6"
    & skf21("1","7","2","1","3","5","2","1") = "6"
    & skf21("1","7","2","1","3","5","3","1") = "6"
    & skf21("1","7","2","1","3","5","4","1") = "6"
    & skf21("1","7","2","1","3","5","5","1") = "6"
    & skf21("1","7","2","1","3","5","6","1") = "6"
    & skf21("1","7","2","1","3","5","7","1") = "6"
    & skf21("1","7","2","1","3","6","1","1") = "6"
    & skf21("1","7","2","1","3","6","2","1") = "6"
    & skf21("1","7","2","1","3","6","3","1") = "6"
    & skf21("1","7","2","1","3","6","4","1") = "6"
    & skf21("1","7","2","1","3","6","5","1") = "6"
    & skf21("1","7","2","1","3","6","6","1") = "6"
    & skf21("1","7","2","1","3","6","7","1") = "6"
    & skf21("1","7","2","1","3","7","1","1") = "6"
    & skf21("1","7","2","1","3","7","2","1") = "6"
    & skf21("1","7","2","1","3","7","3","1") = "6"
    & skf21("1","7","2","1","3","7","4","1") = "6"
    & skf21("1","7","2","1","3","7","5","1") = "6"
    & skf21("1","7","2","1","3","7","6","1") = "6"
    & skf21("1","7","2","1","3","7","7","1") = "6"
    & skf21("1","7","2","1","4","1","1","1") = "6"
    & skf21("1","7","2","1","4","1","2","1") = "6"
    & skf21("1","7","2","1","4","1","3","1") = "6"
    & skf21("1","7","2","1","4","1","4","1") = "6"
    & skf21("1","7","2","1","4","1","5","1") = "6"
    & skf21("1","7","2","1","4","1","6","1") = "6"
    & skf21("1","7","2","1","4","1","7","1") = "6"
    & skf21("1","7","2","1","4","2","1","1") = "6"
    & skf21("1","7","2","1","4","2","2","1") = "6"
    & skf21("1","7","2","1","4","2","3","1") = "6"
    & skf21("1","7","2","1","4","2","4","1") = "6"
    & skf21("1","7","2","1","4","2","5","1") = "6"
    & skf21("1","7","2","1","4","2","6","1") = "6"
    & skf21("1","7","2","1","4","2","7","1") = "6"
    & skf21("1","7","2","1","4","3","1","1") = "6"
    & skf21("1","7","2","1","4","3","2","1") = "6"
    & skf21("1","7","2","1","4","3","3","1") = "6"
    & skf21("1","7","2","1","4","3","4","1") = "6"
    & skf21("1","7","2","1","4","3","5","1") = "6"
    & skf21("1","7","2","1","4","3","6","1") = "6"
    & skf21("1","7","2","1","4","3","7","1") = "6"
    & skf21("1","7","2","1","4","4","1","1") = "6"
    & skf21("1","7","2","1","4","4","2","1") = "6"
    & skf21("1","7","2","1","4","4","3","1") = "6"
    & skf21("1","7","2","1","4","4","4","1") = "6"
    & skf21("1","7","2","1","4","4","5","1") = "6"
    & skf21("1","7","2","1","4","4","6","1") = "6"
    & skf21("1","7","2","1","4","4","7","1") = "6"
    & skf21("1","7","2","1","4","5","1","1") = "6"
    & skf21("1","7","2","1","4","5","2","1") = "6"
    & skf21("1","7","2","1","4","5","3","1") = "6"
    & skf21("1","7","2","1","4","5","4","1") = "6"
    & skf21("1","7","2","1","4","5","5","1") = "6"
    & skf21("1","7","2","1","4","5","6","1") = "6"
    & skf21("1","7","2","1","4","5","7","1") = "6"
    & skf21("1","7","2","1","4","6","1","1") = "6"
    & skf21("1","7","2","1","4","6","2","1") = "6"
    & skf21("1","7","2","1","4","6","3","1") = "6"
    & skf21("1","7","2","1","4","6","4","1") = "6"
    & skf21("1","7","2","1","4","6","5","1") = "6"
    & skf21("1","7","2","1","4","6","6","1") = "6"
    & skf21("1","7","2","1","4","6","7","1") = "6"
    & skf21("1","7","2","1","4","7","1","1") = "6"
    & skf21("1","7","2","1","4","7","2","1") = "6"
    & skf21("1","7","2","1","4","7","3","1") = "6"
    & skf21("1","7","2","1","4","7","4","1") = "6"
    & skf21("1","7","2","1","4","7","5","1") = "6"
    & skf21("1","7","2","1","4","7","6","1") = "6"
    & skf21("1","7","2","1","4","7","7","1") = "6"
    & skf21("1","7","2","1","5","1","1","1") = "6"
    & skf21("1","7","2","1","5","1","2","1") = "6"
    & skf21("1","7","2","1","5","1","3","1") = "6"
    & skf21("1","7","2","1","5","1","4","1") = "6"
    & skf21("1","7","2","1","5","1","5","1") = "6"
    & skf21("1","7","2","1","5","1","6","1") = "6"
    & skf21("1","7","2","1","5","1","7","1") = "6"
    & skf21("1","7","2","1","5","2","1","1") = "6"
    & skf21("1","7","2","1","5","2","2","1") = "6"
    & skf21("1","7","2","1","5","2","3","1") = "6"
    & skf21("1","7","2","1","5","2","4","1") = "6"
    & skf21("1","7","2","1","5","2","5","1") = "6"
    & skf21("1","7","2","1","5","2","6","1") = "6"
    & skf21("1","7","2","1","5","2","7","1") = "6"
    & skf21("1","7","2","1","5","3","1","1") = "6"
    & skf21("1","7","2","1","5","3","2","1") = "6"
    & skf21("1","7","2","1","5","3","3","1") = "6"
    & skf21("1","7","2","1","5","3","4","1") = "6"
    & skf21("1","7","2","1","5","3","5","1") = "6"
    & skf21("1","7","2","1","5","3","6","1") = "6"
    & skf21("1","7","2","1","5","3","7","1") = "6"
    & skf21("1","7","2","1","5","4","1","1") = "6"
    & skf21("1","7","2","1","5","4","2","1") = "6"
    & skf21("1","7","2","1","5","4","3","1") = "6"
    & skf21("1","7","2","1","5","4","4","1") = "6"
    & skf21("1","7","2","1","5","4","5","1") = "6"
    & skf21("1","7","2","1","5","4","6","1") = "6"
    & skf21("1","7","2","1","5","4","7","1") = "6"
    & skf21("1","7","2","1","5","5","1","1") = "6"
    & skf21("1","7","2","1","5","5","2","1") = "6"
    & skf21("1","7","2","1","5","5","3","1") = "6"
    & skf21("1","7","2","1","5","5","4","1") = "6"
    & skf21("1","7","2","1","5","5","5","1") = "6"
    & skf21("1","7","2","1","5","5","6","1") = "6"
    & skf21("1","7","2","1","5","5","7","1") = "6"
    & skf21("1","7","2","1","5","6","1","1") = "6"
    & skf21("1","7","2","1","5","6","2","1") = "6"
    & skf21("1","7","2","1","5","6","3","1") = "6"
    & skf21("1","7","2","1","5","6","4","1") = "6"
    & skf21("1","7","2","1","5","6","5","1") = "6"
    & skf21("1","7","2","1","5","6","6","1") = "6"
    & skf21("1","7","2","1","5","6","7","1") = "6"
    & skf21("1","7","2","1","5","7","1","1") = "6"
    & skf21("1","7","2","1","5","7","2","1") = "6"
    & skf21("1","7","2","1","5","7","3","1") = "6"
    & skf21("1","7","2","1","5","7","4","1") = "6"
    & skf21("1","7","2","1","5","7","5","1") = "6"
    & skf21("1","7","2","1","5","7","6","1") = "6"
    & skf21("1","7","2","1","5","7","7","1") = "6"
    & skf21("1","7","2","1","6","1","1","1") = "6"
    & skf21("1","7","2","1","6","1","2","1") = "6"
    & skf21("1","7","2","1","6","1","3","1") = "6"
    & skf21("1","7","2","1","6","1","4","1") = "6"
    & skf21("1","7","2","1","6","1","5","1") = "6"
    & skf21("1","7","2","1","6","1","6","1") = "6"
    & skf21("1","7","2","1","6","1","7","1") = "6"
    & skf21("1","7","2","1","6","2","1","1") = "6"
    & skf21("1","7","2","1","6","2","2","1") = "6"
    & skf21("1","7","2","1","6","2","3","1") = "6"
    & skf21("1","7","2","1","6","2","4","1") = "6"
    & skf21("1","7","2","1","6","2","5","1") = "6"
    & skf21("1","7","2","1","6","2","6","1") = "6"
    & skf21("1","7","2","1","6","2","7","1") = "6"
    & skf21("1","7","2","1","6","3","1","1") = "6"
    & skf21("1","7","2","1","6","3","2","1") = "6"
    & skf21("1","7","2","1","6","3","3","1") = "6"
    & skf21("1","7","2","1","6","3","4","1") = "6"
    & skf21("1","7","2","1","6","3","5","1") = "6"
    & skf21("1","7","2","1","6","3","6","1") = "6"
    & skf21("1","7","2","1","6","3","7","1") = "6"
    & skf21("1","7","2","1","6","4","1","1") = "6"
    & skf21("1","7","2","1","6","4","2","1") = "6"
    & skf21("1","7","2","1","6","4","3","1") = "6"
    & skf21("1","7","2","1","6","4","4","1") = "6"
    & skf21("1","7","2","1","6","4","5","1") = "6"
    & skf21("1","7","2","1","6","4","6","1") = "6"
    & skf21("1","7","2","1","6","4","7","1") = "6"
    & skf21("1","7","2","1","6","5","1","1") = "6"
    & skf21("1","7","2","1","6","5","2","1") = "6"
    & skf21("1","7","2","1","6","5","3","1") = "6"
    & skf21("1","7","2","1","6","5","4","1") = "6"
    & skf21("1","7","2","1","6","5","5","1") = "6"
    & skf21("1","7","2","1","6","5","6","1") = "6"
    & skf21("1","7","2","1","6","5","7","1") = "6"
    & skf21("1","7","2","1","6","6","1","1") = "6"
    & skf21("1","7","2","1","6","6","2","1") = "6"
    & skf21("1","7","2","1","6","6","3","1") = "6"
    & skf21("1","7","2","1","6","6","4","1") = "6"
    & skf21("1","7","2","1","6","6","5","1") = "6"
    & skf21("1","7","2","1","6","6","6","1") = "6"
    & skf21("1","7","2","1","6","6","7","1") = "6"
    & skf21("1","7","2","1","6","7","1","1") = "6"
    & skf21("1","7","2","1","6","7","2","1") = "6"
    & skf21("1","7","2","1","6","7","3","1") = "6"
    & skf21("1","7","2","1","6","7","4","1") = "6"
    & skf21("1","7","2","1","6","7","5","1") = "6"
    & skf21("1","7","2","1","6","7","6","1") = "6"
    & skf21("1","7","2","1","6","7","7","1") = "6"
    & skf21("1","7","2","1","7","1","1","1") = "6"
    & skf21("1","7","2","1","7","1","2","1") = "6"
    & skf21("1","7","2","1","7","1","3","1") = "6"
    & skf21("1","7","2","1","7","1","4","1") = "6"
    & skf21("1","7","2","1","7","1","5","1") = "6"
    & skf21("1","7","2","1","7","1","6","1") = "6"
    & skf21("1","7","2","1","7","1","7","1") = "6"
    & skf21("1","7","2","1","7","2","1","1") = "6"
    & skf21("1","7","2","1","7","2","2","1") = "6"
    & skf21("1","7","2","1","7","2","3","1") = "6"
    & skf21("1","7","2","1","7","2","4","1") = "6"
    & skf21("1","7","2","1","7","2","5","1") = "6"
    & skf21("1","7","2","1","7","2","6","1") = "6"
    & skf21("1","7","2","1","7","2","7","1") = "6"
    & skf21("1","7","2","1","7","3","1","1") = "6"
    & skf21("1","7","2","1","7","3","2","1") = "6"
    & skf21("1","7","2","1","7","3","3","1") = "6"
    & skf21("1","7","2","1","7","3","4","1") = "6"
    & skf21("1","7","2","1","7","3","5","1") = "6"
    & skf21("1","7","2","1","7","3","6","1") = "6"
    & skf21("1","7","2","1","7","3","7","1") = "6"
    & skf21("1","7","2","1","7","4","1","1") = "6"
    & skf21("1","7","2","1","7","4","2","1") = "6"
    & skf21("1","7","2","1","7","4","3","1") = "6"
    & skf21("1","7","2","1","7","4","4","1") = "6"
    & skf21("1","7","2","1","7","4","5","1") = "6"
    & skf21("1","7","2","1","7","4","6","1") = "6"
    & skf21("1","7","2","1","7","4","7","1") = "6"
    & skf21("1","7","2","1","7","5","1","1") = "6"
    & skf21("1","7","2","1","7","5","2","1") = "6"
    & skf21("1","7","2","1","7","5","3","1") = "6"
    & skf21("1","7","2","1","7","5","4","1") = "6"
    & skf21("1","7","2","1","7","5","5","1") = "6"
    & skf21("1","7","2","1","7","5","6","1") = "6"
    & skf21("1","7","2","1","7","5","7","1") = "6"
    & skf21("1","7","2","1","7","6","1","1") = "6"
    & skf21("1","7","2","1","7","6","2","1") = "6"
    & skf21("1","7","2","1","7","6","3","1") = "6"
    & skf21("1","7","2","1","7","6","4","1") = "6"
    & skf21("1","7","2","1","7","6","5","1") = "6"
    & skf21("1","7","2","1","7","6","6","1") = "6"
    & skf21("1","7","2","1","7","6","7","1") = "6"
    & skf21("1","7","2","1","7","7","1","1") = "6"
    & skf21("1","7","2","1","7","7","2","1") = "6"
    & skf21("1","7","2","1","7","7","3","1") = "6"
    & skf21("1","7","2","1","7","7","4","1") = "6"
    & skf21("1","7","2","1","7","7","5","1") = "6"
    & skf21("1","7","2","1","7","7","6","1") = "6"
    & skf21("1","7","2","1","7","7","7","1") = "6"
    & skf21("1","7","2","2","1","1","1","1") = "6"
    & skf21("1","7","2","2","1","1","2","1") = "6"
    & skf21("1","7","2","2","1","1","3","1") = "6"
    & skf21("1","7","2","2","1","1","4","1") = "6"
    & skf21("1","7","2","2","1","1","5","1") = "6"
    & skf21("1","7","2","2","1","1","6","1") = "6"
    & skf21("1","7","2","2","1","1","7","1") = "6"
    & skf21("1","7","2","2","1","2","1","1") = "6"
    & skf21("1","7","2","2","1","2","2","1") = "6"
    & skf21("1","7","2","2","1","2","3","1") = "6"
    & skf21("1","7","2","2","1","2","4","1") = "6"
    & skf21("1","7","2","2","1","2","5","1") = "6"
    & skf21("1","7","2","2","1","2","6","1") = "6"
    & skf21("1","7","2","2","1","2","7","1") = "6"
    & skf21("1","7","2","2","1","3","1","1") = "6"
    & skf21("1","7","2","2","1","3","2","1") = "6"
    & skf21("1","7","2","2","1","3","3","1") = "6"
    & skf21("1","7","2","2","1","3","4","1") = "6"
    & skf21("1","7","2","2","1","3","5","1") = "6"
    & skf21("1","7","2","2","1","3","6","1") = "6"
    & skf21("1","7","2","2","1","3","7","1") = "6"
    & skf21("1","7","2","2","1","4","1","1") = "6"
    & skf21("1","7","2","2","1","4","2","1") = "6"
    & skf21("1","7","2","2","1","4","3","1") = "6"
    & skf21("1","7","2","2","1","4","4","1") = "6"
    & skf21("1","7","2","2","1","4","5","1") = "6"
    & skf21("1","7","2","2","1","4","6","1") = "6"
    & skf21("1","7","2","2","1","4","7","1") = "6"
    & skf21("1","7","2","2","1","5","1","1") = "6"
    & skf21("1","7","2","2","1","5","2","1") = "6"
    & skf21("1","7","2","2","1","5","3","1") = "6"
    & skf21("1","7","2","2","1","5","4","1") = "6"
    & skf21("1","7","2","2","1","5","5","1") = "6"
    & skf21("1","7","2","2","1","5","6","1") = "6"
    & skf21("1","7","2","2","1","5","7","1") = "6"
    & skf21("1","7","2","2","1","6","1","1") = "6"
    & skf21("1","7","2","2","1","6","2","1") = "6"
    & skf21("1","7","2","2","1","6","3","1") = "6"
    & skf21("1","7","2","2","1","6","4","1") = "6"
    & skf21("1","7","2","2","1","6","5","1") = "6"
    & skf21("1","7","2","2","1","6","6","1") = "6"
    & skf21("1","7","2","2","1","6","7","1") = "6"
    & skf21("1","7","2","2","1","7","1","1") = "6"
    & skf21("1","7","2","2","1","7","2","1") = "6"
    & skf21("1","7","2","2","1","7","3","1") = "6"
    & skf21("1","7","2","2","1","7","4","1") = "6"
    & skf21("1","7","2","2","1","7","5","1") = "6"
    & skf21("1","7","2","2","1","7","6","1") = "6"
    & skf21("1","7","2","2","1","7","7","1") = "6"
    & skf21("1","7","2","2","2","1","1","1") = "6"
    & skf21("1","7","2","2","2","1","2","1") = "6"
    & skf21("1","7","2","2","2","1","3","1") = "6"
    & skf21("1","7","2","2","2","1","4","1") = "6"
    & skf21("1","7","2","2","2","1","5","1") = "6"
    & skf21("1","7","2","2","2","1","6","1") = "6"
    & skf21("1","7","2","2","2","1","7","1") = "6"
    & skf21("1","7","2","2","2","2","1","1") = "6"
    & skf21("1","7","2","2","2","2","2","1") = "6"
    & skf21("1","7","2","2","2","2","3","1") = "6"
    & skf21("1","7","2","2","2","2","4","1") = "6"
    & skf21("1","7","2","2","2","2","5","1") = "6"
    & skf21("1","7","2","2","2","2","6","1") = "6"
    & skf21("1","7","2","2","2","2","7","1") = "6"
    & skf21("1","7","2","2","2","3","1","1") = "6"
    & skf21("1","7","2","2","2","3","2","1") = "6"
    & skf21("1","7","2","2","2","3","3","1") = "6"
    & skf21("1","7","2","2","2","3","4","1") = "6"
    & skf21("1","7","2","2","2","3","5","1") = "6"
    & skf21("1","7","2","2","2","3","6","1") = "6"
    & skf21("1","7","2","2","2","3","7","1") = "6"
    & skf21("1","7","2","2","2","4","1","1") = "6"
    & skf21("1","7","2","2","2","4","2","1") = "6"
    & skf21("1","7","2","2","2","4","3","1") = "6"
    & skf21("1","7","2","2","2","4","4","1") = "6"
    & skf21("1","7","2","2","2","4","5","1") = "6"
    & skf21("1","7","2","2","2","4","6","1") = "6"
    & skf21("1","7","2","2","2","4","7","1") = "6"
    & skf21("1","7","2","2","2","5","1","1") = "6"
    & skf21("1","7","2","2","2","5","2","1") = "6"
    & skf21("1","7","2","2","2","5","3","1") = "6"
    & skf21("1","7","2","2","2","5","4","1") = "6"
    & skf21("1","7","2","2","2","5","5","1") = "6"
    & skf21("1","7","2","2","2","5","6","1") = "6"
    & skf21("1","7","2","2","2","5","7","1") = "6"
    & skf21("1","7","2","2","2","6","1","1") = "6"
    & skf21("1","7","2","2","2","6","2","1") = "6"
    & skf21("1","7","2","2","2","6","3","1") = "6"
    & skf21("1","7","2","2","2","6","4","1") = "6"
    & skf21("1","7","2","2","2","6","5","1") = "6"
    & skf21("1","7","2","2","2","6","6","1") = "6"
    & skf21("1","7","2","2","2","6","7","1") = "6"
    & skf21("1","7","2","2","2","7","1","1") = "6"
    & skf21("1","7","2","2","2","7","2","1") = "6"
    & skf21("1","7","2","2","2","7","3","1") = "6"
    & skf21("1","7","2","2","2","7","4","1") = "6"
    & skf21("1","7","2","2","2","7","5","1") = "6"
    & skf21("1","7","2","2","2","7","6","1") = "6"
    & skf21("1","7","2","2","2","7","7","1") = "6"
    & skf21("1","7","2","2","3","1","1","1") = "6"
    & skf21("1","7","2","2","3","1","2","1") = "6"
    & skf21("1","7","2","2","3","1","3","1") = "6"
    & skf21("1","7","2","2","3","1","4","1") = "6"
    & skf21("1","7","2","2","3","1","5","1") = "6"
    & skf21("1","7","2","2","3","1","6","1") = "6"
    & skf21("1","7","2","2","3","1","7","1") = "6"
    & skf21("1","7","2","2","3","2","1","1") = "6"
    & skf21("1","7","2","2","3","2","2","1") = "6"
    & skf21("1","7","2","2","3","2","3","1") = "6"
    & skf21("1","7","2","2","3","2","4","1") = "6"
    & skf21("1","7","2","2","3","2","5","1") = "6"
    & skf21("1","7","2","2","3","2","6","1") = "6"
    & skf21("1","7","2","2","3","2","7","1") = "6"
    & skf21("1","7","2","2","3","3","1","1") = "6"
    & skf21("1","7","2","2","3","3","2","1") = "6"
    & skf21("1","7","2","2","3","3","3","1") = "6"
    & skf21("1","7","2","2","3","3","4","1") = "6"
    & skf21("1","7","2","2","3","3","5","1") = "6"
    & skf21("1","7","2","2","3","3","6","1") = "6"
    & skf21("1","7","2","2","3","3","7","1") = "6"
    & skf21("1","7","2","2","3","4","1","1") = "6"
    & skf21("1","7","2","2","3","4","2","1") = "6"
    & skf21("1","7","2","2","3","4","3","1") = "6"
    & skf21("1","7","2","2","3","4","4","1") = "6"
    & skf21("1","7","2","2","3","4","5","1") = "6"
    & skf21("1","7","2","2","3","4","6","1") = "6"
    & skf21("1","7","2","2","3","4","7","1") = "6"
    & skf21("1","7","2","2","3","5","1","1") = "6"
    & skf21("1","7","2","2","3","5","2","1") = "6"
    & skf21("1","7","2","2","3","5","3","1") = "6"
    & skf21("1","7","2","2","3","5","4","1") = "6"
    & skf21("1","7","2","2","3","5","5","1") = "6"
    & skf21("1","7","2","2","3","5","6","1") = "6"
    & skf21("1","7","2","2","3","5","7","1") = "6"
    & skf21("1","7","2","2","3","6","1","1") = "6"
    & skf21("1","7","2","2","3","6","2","1") = "6"
    & skf21("1","7","2","2","3","6","3","1") = "6"
    & skf21("1","7","2","2","3","6","4","1") = "6"
    & skf21("1","7","2","2","3","6","5","1") = "6"
    & skf21("1","7","2","2","3","6","6","1") = "6"
    & skf21("1","7","2","2","3","6","7","1") = "6"
    & skf21("1","7","2","2","3","7","1","1") = "6"
    & skf21("1","7","2","2","3","7","2","1") = "6"
    & skf21("1","7","2","2","3","7","3","1") = "6"
    & skf21("1","7","2","2","3","7","4","1") = "6"
    & skf21("1","7","2","2","3","7","5","1") = "6"
    & skf21("1","7","2","2","3","7","6","1") = "6"
    & skf21("1","7","2","2","3","7","7","1") = "6"
    & skf21("1","7","2","2","4","1","1","1") = "6"
    & skf21("1","7","2","2","4","1","2","1") = "6"
    & skf21("1","7","2","2","4","1","3","1") = "6"
    & skf21("1","7","2","2","4","1","4","1") = "6"
    & skf21("1","7","2","2","4","1","5","1") = "6"
    & skf21("1","7","2","2","4","1","6","1") = "6"
    & skf21("1","7","2","2","4","1","7","1") = "6"
    & skf21("1","7","2","2","4","2","1","1") = "6"
    & skf21("1","7","2","2","4","2","2","1") = "6"
    & skf21("1","7","2","2","4","2","3","1") = "6"
    & skf21("1","7","2","2","4","2","4","1") = "6"
    & skf21("1","7","2","2","4","2","5","1") = "6"
    & skf21("1","7","2","2","4","2","6","1") = "6"
    & skf21("1","7","2","2","4","2","7","1") = "6"
    & skf21("1","7","2","2","4","3","1","1") = "6"
    & skf21("1","7","2","2","4","3","2","1") = "6"
    & skf21("1","7","2","2","4","3","3","1") = "6"
    & skf21("1","7","2","2","4","3","4","1") = "6"
    & skf21("1","7","2","2","4","3","5","1") = "6"
    & skf21("1","7","2","2","4","3","6","1") = "6"
    & skf21("1","7","2","2","4","3","7","1") = "6"
    & skf21("1","7","2","2","4","4","1","1") = "6"
    & skf21("1","7","2","2","4","4","2","1") = "6"
    & skf21("1","7","2","2","4","4","3","1") = "6"
    & skf21("1","7","2","2","4","4","4","1") = "6"
    & skf21("1","7","2","2","4","4","5","1") = "6"
    & skf21("1","7","2","2","4","4","6","1") = "6"
    & skf21("1","7","2","2","4","4","7","1") = "6"
    & skf21("1","7","2","2","4","5","1","1") = "6"
    & skf21("1","7","2","2","4","5","2","1") = "6"
    & skf21("1","7","2","2","4","5","3","1") = "6"
    & skf21("1","7","2","2","4","5","4","1") = "6"
    & skf21("1","7","2","2","4","5","5","1") = "6"
    & skf21("1","7","2","2","4","5","6","1") = "6"
    & skf21("1","7","2","2","4","5","7","1") = "6"
    & skf21("1","7","2","2","4","6","1","1") = "6"
    & skf21("1","7","2","2","4","6","2","1") = "6"
    & skf21("1","7","2","2","4","6","3","1") = "6"
    & skf21("1","7","2","2","4","6","4","1") = "6"
    & skf21("1","7","2","2","4","6","5","1") = "6"
    & skf21("1","7","2","2","4","6","6","1") = "6"
    & skf21("1","7","2","2","4","6","7","1") = "6"
    & skf21("1","7","2","2","4","7","1","1") = "6"
    & skf21("1","7","2","2","4","7","2","1") = "6"
    & skf21("1","7","2","2","4","7","3","1") = "6"
    & skf21("1","7","2","2","4","7","4","1") = "6"
    & skf21("1","7","2","2","4","7","5","1") = "6"
    & skf21("1","7","2","2","4","7","6","1") = "6"
    & skf21("1","7","2","2","4","7","7","1") = "6"
    & skf21("1","7","2","2","5","1","1","1") = "6"
    & skf21("1","7","2","2","5","1","2","1") = "6"
    & skf21("1","7","2","2","5","1","3","1") = "6"
    & skf21("1","7","2","2","5","1","4","1") = "6"
    & skf21("1","7","2","2","5","1","5","1") = "6"
    & skf21("1","7","2","2","5","1","6","1") = "6"
    & skf21("1","7","2","2","5","1","7","1") = "6"
    & skf21("1","7","2","2","5","2","1","1") = "6"
    & skf21("1","7","2","2","5","2","2","1") = "6"
    & skf21("1","7","2","2","5","2","3","1") = "6"
    & skf21("1","7","2","2","5","2","4","1") = "6"
    & skf21("1","7","2","2","5","2","5","1") = "6"
    & skf21("1","7","2","2","5","2","6","1") = "6"
    & skf21("1","7","2","2","5","2","7","1") = "6"
    & skf21("1","7","2","2","5","3","1","1") = "6"
    & skf21("1","7","2","2","5","3","2","1") = "6"
    & skf21("1","7","2","2","5","3","3","1") = "6"
    & skf21("1","7","2","2","5","3","4","1") = "6"
    & skf21("1","7","2","2","5","3","5","1") = "6"
    & skf21("1","7","2","2","5","3","6","1") = "6"
    & skf21("1","7","2","2","5","3","7","1") = "6"
    & skf21("1","7","2","2","5","4","1","1") = "6"
    & skf21("1","7","2","2","5","4","2","1") = "6"
    & skf21("1","7","2","2","5","4","3","1") = "6"
    & skf21("1","7","2","2","5","4","4","1") = "6"
    & skf21("1","7","2","2","5","4","5","1") = "6"
    & skf21("1","7","2","2","5","4","6","1") = "6"
    & skf21("1","7","2","2","5","4","7","1") = "6"
    & skf21("1","7","2","2","5","5","1","1") = "6"
    & skf21("1","7","2","2","5","5","2","1") = "6"
    & skf21("1","7","2","2","5","5","3","1") = "6"
    & skf21("1","7","2","2","5","5","4","1") = "6"
    & skf21("1","7","2","2","5","5","5","1") = "6"
    & skf21("1","7","2","2","5","5","6","1") = "6"
    & skf21("1","7","2","2","5","5","7","1") = "6"
    & skf21("1","7","2","2","5","6","1","1") = "6"
    & skf21("1","7","2","2","5","6","2","1") = "6"
    & skf21("1","7","2","2","5","6","3","1") = "6"
    & skf21("1","7","2","2","5","6","4","1") = "6"
    & skf21("1","7","2","2","5","6","5","1") = "6"
    & skf21("1","7","2","2","5","6","6","1") = "6"
    & skf21("1","7","2","2","5","6","7","1") = "6"
    & skf21("1","7","2","2","5","7","1","1") = "6"
    & skf21("1","7","2","2","5","7","2","1") = "6"
    & skf21("1","7","2","2","5","7","3","1") = "6"
    & skf21("1","7","2","2","5","7","4","1") = "6"
    & skf21("1","7","2","2","5","7","5","1") = "6"
    & skf21("1","7","2","2","5","7","6","1") = "6"
    & skf21("1","7","2","2","5","7","7","1") = "6"
    & skf21("1","7","2","2","6","1","1","1") = "6"
    & skf21("1","7","2","2","6","1","2","1") = "6"
    & skf21("1","7","2","2","6","1","3","1") = "6"
    & skf21("1","7","2","2","6","1","4","1") = "6"
    & skf21("1","7","2","2","6","1","5","1") = "6"
    & skf21("1","7","2","2","6","1","6","1") = "6"
    & skf21("1","7","2","2","6","1","7","1") = "6"
    & skf21("1","7","2","2","6","2","1","1") = "6"
    & skf21("1","7","2","2","6","2","2","1") = "6"
    & skf21("1","7","2","2","6","2","3","1") = "6"
    & skf21("1","7","2","2","6","2","4","1") = "6"
    & skf21("1","7","2","2","6","2","5","1") = "6"
    & skf21("1","7","2","2","6","2","6","1") = "6"
    & skf21("1","7","2","2","6","2","7","1") = "6"
    & skf21("1","7","2","2","6","3","1","1") = "6"
    & skf21("1","7","2","2","6","3","2","1") = "6"
    & skf21("1","7","2","2","6","3","3","1") = "6"
    & skf21("1","7","2","2","6","3","4","1") = "6"
    & skf21("1","7","2","2","6","3","5","1") = "6"
    & skf21("1","7","2","2","6","3","6","1") = "6"
    & skf21("1","7","2","2","6","3","7","1") = "6"
    & skf21("1","7","2","2","6","4","1","1") = "6"
    & skf21("1","7","2","2","6","4","2","1") = "6"
    & skf21("1","7","2","2","6","4","3","1") = "6"
    & skf21("1","7","2","2","6","4","4","1") = "6"
    & skf21("1","7","2","2","6","4","5","1") = "6"
    & skf21("1","7","2","2","6","4","6","1") = "6"
    & skf21("1","7","2","2","6","4","7","1") = "6"
    & skf21("1","7","2","2","6","5","1","1") = "6"
    & skf21("1","7","2","2","6","5","2","1") = "6"
    & skf21("1","7","2","2","6","5","3","1") = "6"
    & skf21("1","7","2","2","6","5","4","1") = "6"
    & skf21("1","7","2","2","6","5","5","1") = "6"
    & skf21("1","7","2","2","6","5","6","1") = "6"
    & skf21("1","7","2","2","6","5","7","1") = "6"
    & skf21("1","7","2","2","6","6","1","1") = "6"
    & skf21("1","7","2","2","6","6","2","1") = "6"
    & skf21("1","7","2","2","6","6","3","1") = "6"
    & skf21("1","7","2","2","6","6","4","1") = "6"
    & skf21("1","7","2","2","6","6","5","1") = "6"
    & skf21("1","7","2","2","6","6","6","1") = "6"
    & skf21("1","7","2","2","6","6","7","1") = "6"
    & skf21("1","7","2","2","6","7","1","1") = "6"
    & skf21("1","7","2","2","6","7","2","1") = "6"
    & skf21("1","7","2","2","6","7","3","1") = "6"
    & skf21("1","7","2","2","6","7","4","1") = "6"
    & skf21("1","7","2","2","6","7","5","1") = "6"
    & skf21("1","7","2","2","6","7","6","1") = "6"
    & skf21("1","7","2","2","6","7","7","1") = "6"
    & skf21("1","7","2","2","7","1","1","1") = "6"
    & skf21("1","7","2","2","7","1","2","1") = "6"
    & skf21("1","7","2","2","7","1","3","1") = "6"
    & skf21("1","7","2","2","7","1","4","1") = "6"
    & skf21("1","7","2","2","7","1","5","1") = "6"
    & skf21("1","7","2","2","7","1","6","1") = "6"
    & skf21("1","7","2","2","7","1","7","1") = "6"
    & skf21("1","7","2","2","7","2","1","1") = "6"
    & skf21("1","7","2","2","7","2","2","1") = "6"
    & skf21("1","7","2","2","7","2","3","1") = "6"
    & skf21("1","7","2","2","7","2","4","1") = "6"
    & skf21("1","7","2","2","7","2","5","1") = "6"
    & skf21("1","7","2","2","7","2","6","1") = "6"
    & skf21("1","7","2","2","7","2","7","1") = "6"
    & skf21("1","7","2","2","7","3","1","1") = "6"
    & skf21("1","7","2","2","7","3","2","1") = "6"
    & skf21("1","7","2","2","7","3","3","1") = "6"
    & skf21("1","7","2","2","7","3","4","1") = "6"
    & skf21("1","7","2","2","7","3","5","1") = "6"
    & skf21("1","7","2","2","7","3","6","1") = "6"
    & skf21("1","7","2","2","7","3","7","1") = "6"
    & skf21("1","7","2","2","7","4","1","1") = "6"
    & skf21("1","7","2","2","7","4","2","1") = "6"
    & skf21("1","7","2","2","7","4","3","1") = "6"
    & skf21("1","7","2","2","7","4","4","1") = "6"
    & skf21("1","7","2","2","7","4","5","1") = "6"
    & skf21("1","7","2","2","7","4","6","1") = "6"
    & skf21("1","7","2","2","7","4","7","1") = "6"
    & skf21("1","7","2","2","7","5","1","1") = "6"
    & skf21("1","7","2","2","7","5","2","1") = "6"
    & skf21("1","7","2","2","7","5","3","1") = "6"
    & skf21("1","7","2","2","7","5","4","1") = "6"
    & skf21("1","7","2","2","7","5","5","1") = "6"
    & skf21("1","7","2","2","7","5","6","1") = "6"
    & skf21("1","7","2","2","7","5","7","1") = "6"
    & skf21("1","7","2","2","7","6","1","1") = "6"
    & skf21("1","7","2","2","7","6","2","1") = "6"
    & skf21("1","7","2","2","7","6","3","1") = "6"
    & skf21("1","7","2","2","7","6","4","1") = "6"
    & skf21("1","7","2","2","7","6","5","1") = "6"
    & skf21("1","7","2","2","7","6","6","1") = "6"
    & skf21("1","7","2","2","7","6","7","1") = "6"
    & skf21("1","7","2","2","7","7","1","1") = "6"
    & skf21("1","7","2","2","7","7","2","1") = "6"
    & skf21("1","7","2","2","7","7","3","1") = "6"
    & skf21("1","7","2","2","7","7","4","1") = "6"
    & skf21("1","7","2","2","7","7","5","1") = "6"
    & skf21("1","7","2","2","7","7","6","1") = "6"
    & skf21("1","7","2","2","7","7","7","1") = "6"
    & skf21("1","7","2","3","1","1","1","1") = "6"
    & skf21("1","7","2","3","1","1","2","1") = "6"
    & skf21("1","7","2","3","1","1","3","1") = "6"
    & skf21("1","7","2","3","1","1","4","1") = "6"
    & skf21("1","7","2","3","1","1","5","1") = "6"
    & skf21("1","7","2","3","1","1","6","1") = "6"
    & skf21("1","7","2","3","1","1","7","1") = "6"
    & skf21("1","7","2","3","1","2","1","1") = "6"
    & skf21("1","7","2","3","1","2","2","1") = "6"
    & skf21("1","7","2","3","1","2","3","1") = "6"
    & skf21("1","7","2","3","1","2","4","1") = "6"
    & skf21("1","7","2","3","1","2","5","1") = "6"
    & skf21("1","7","2","3","1","2","6","1") = "6"
    & skf21("1","7","2","3","1","2","7","1") = "6"
    & skf21("1","7","2","3","1","3","1","1") = "6"
    & skf21("1","7","2","3","1","3","2","1") = "6"
    & skf21("1","7","2","3","1","3","3","1") = "6"
    & skf21("1","7","2","3","1","3","4","1") = "6"
    & skf21("1","7","2","3","1","3","5","1") = "6"
    & skf21("1","7","2","3","1","3","6","1") = "6"
    & skf21("1","7","2","3","1","3","7","1") = "6"
    & skf21("1","7","2","3","1","4","1","1") = "6"
    & skf21("1","7","2","3","1","4","2","1") = "6"
    & skf21("1","7","2","3","1","4","3","1") = "6"
    & skf21("1","7","2","3","1","4","4","1") = "6"
    & skf21("1","7","2","3","1","4","5","1") = "6"
    & skf21("1","7","2","3","1","4","6","1") = "6"
    & skf21("1","7","2","3","1","4","7","1") = "6"
    & skf21("1","7","2","3","1","5","1","1") = "6"
    & skf21("1","7","2","3","1","5","2","1") = "6"
    & skf21("1","7","2","3","1","5","3","1") = "6"
    & skf21("1","7","2","3","1","5","4","1") = "6"
    & skf21("1","7","2","3","1","5","5","1") = "6"
    & skf21("1","7","2","3","1","5","6","1") = "6"
    & skf21("1","7","2","3","1","5","7","1") = "6"
    & skf21("1","7","2","3","1","6","1","1") = "6"
    & skf21("1","7","2","3","1","6","2","1") = "6"
    & skf21("1","7","2","3","1","6","3","1") = "6"
    & skf21("1","7","2","3","1","6","4","1") = "6"
    & skf21("1","7","2","3","1","6","5","1") = "6"
    & skf21("1","7","2","3","1","6","6","1") = "6"
    & skf21("1","7","2","3","1","6","7","1") = "6"
    & skf21("1","7","2","3","1","7","1","1") = "6"
    & skf21("1","7","2","3","1","7","2","1") = "6"
    & skf21("1","7","2","3","1","7","3","1") = "6"
    & skf21("1","7","2","3","1","7","4","1") = "6"
    & skf21("1","7","2","3","1","7","5","1") = "6"
    & skf21("1","7","2","3","1","7","6","1") = "6"
    & skf21("1","7","2","3","1","7","7","1") = "6"
    & skf21("1","7","2","3","2","1","1","1") = "6"
    & skf21("1","7","2","3","2","1","2","1") = "6"
    & skf21("1","7","2","3","2","1","3","1") = "6"
    & skf21("1","7","2","3","2","1","4","1") = "6"
    & skf21("1","7","2","3","2","1","5","1") = "6"
    & skf21("1","7","2","3","2","1","6","1") = "6"
    & skf21("1","7","2","3","2","1","7","1") = "6"
    & skf21("1","7","2","3","2","2","1","1") = "6"
    & skf21("1","7","2","3","2","2","2","1") = "6"
    & skf21("1","7","2","3","2","2","3","1") = "6"
    & skf21("1","7","2","3","2","2","4","1") = "6"
    & skf21("1","7","2","3","2","2","5","1") = "6"
    & skf21("1","7","2","3","2","2","6","1") = "6"
    & skf21("1","7","2","3","2","2","7","1") = "6"
    & skf21("1","7","2","3","2","3","1","1") = "6"
    & skf21("1","7","2","3","2","3","2","1") = "6"
    & skf21("1","7","2","3","2","3","3","1") = "6"
    & skf21("1","7","2","3","2","3","4","1") = "6"
    & skf21("1","7","2","3","2","3","5","1") = "6"
    & skf21("1","7","2","3","2","3","6","1") = "6"
    & skf21("1","7","2","3","2","3","7","1") = "6"
    & skf21("1","7","2","3","2","4","1","1") = "6"
    & skf21("1","7","2","3","2","4","2","1") = "6"
    & skf21("1","7","2","3","2","4","3","1") = "6"
    & skf21("1","7","2","3","2","4","4","1") = "6"
    & skf21("1","7","2","3","2","4","5","1") = "6"
    & skf21("1","7","2","3","2","4","6","1") = "6"
    & skf21("1","7","2","3","2","4","7","1") = "6"
    & skf21("1","7","2","3","2","5","1","1") = "6"
    & skf21("1","7","2","3","2","5","2","1") = "6"
    & skf21("1","7","2","3","2","5","3","1") = "6"
    & skf21("1","7","2","3","2","5","4","1") = "6"
    & skf21("1","7","2","3","2","5","5","1") = "6"
    & skf21("1","7","2","3","2","5","6","1") = "6"
    & skf21("1","7","2","3","2","5","7","1") = "6"
    & skf21("1","7","2","3","2","6","1","1") = "6"
    & skf21("1","7","2","3","2","6","2","1") = "6"
    & skf21("1","7","2","3","2","6","3","1") = "6"
    & skf21("1","7","2","3","2","6","4","1") = "6"
    & skf21("1","7","2","3","2","6","5","1") = "6"
    & skf21("1","7","2","3","2","6","6","1") = "6"
    & skf21("1","7","2","3","2","6","7","1") = "6"
    & skf21("1","7","2","3","2","7","1","1") = "6"
    & skf21("1","7","2","3","2","7","2","1") = "6"
    & skf21("1","7","2","3","2","7","3","1") = "6"
    & skf21("1","7","2","3","2","7","4","1") = "6"
    & skf21("1","7","2","3","2","7","5","1") = "6"
    & skf21("1","7","2","3","2","7","6","1") = "6"
    & skf21("1","7","2","3","2","7","7","1") = "6"
    & skf21("1","7","2","3","3","1","1","1") = "6"
    & skf21("1","7","2","3","3","1","2","1") = "6"
    & skf21("1","7","2","3","3","1","3","1") = "6"
    & skf21("1","7","2","3","3","1","4","1") = "6"
    & skf21("1","7","2","3","3","1","5","1") = "6"
    & skf21("1","7","2","3","3","1","6","1") = "6"
    & skf21("1","7","2","3","3","1","7","1") = "6"
    & skf21("1","7","2","3","3","2","1","1") = "6"
    & skf21("1","7","2","3","3","2","2","1") = "6"
    & skf21("1","7","2","3","3","2","3","1") = "6"
    & skf21("1","7","2","3","3","2","4","1") = "6"
    & skf21("1","7","2","3","3","2","5","1") = "6"
    & skf21("1","7","2","3","3","2","6","1") = "6"
    & skf21("1","7","2","3","3","2","7","1") = "6"
    & skf21("1","7","2","3","3","3","1","1") = "6"
    & skf21("1","7","2","3","3","3","2","1") = "6"
    & skf21("1","7","2","3","3","3","3","1") = "6"
    & skf21("1","7","2","3","3","3","4","1") = "6"
    & skf21("1","7","2","3","3","3","5","1") = "6"
    & skf21("1","7","2","3","3","3","6","1") = "6"
    & skf21("1","7","2","3","3","3","7","1") = "6"
    & skf21("1","7","2","3","3","4","1","1") = "6"
    & skf21("1","7","2","3","3","4","2","1") = "6"
    & skf21("1","7","2","3","3","4","3","1") = "6"
    & skf21("1","7","2","3","3","4","4","1") = "6"
    & skf21("1","7","2","3","3","4","5","1") = "6"
    & skf21("1","7","2","3","3","4","6","1") = "6"
    & skf21("1","7","2","3","3","4","7","1") = "6"
    & skf21("1","7","2","3","3","5","1","1") = "6"
    & skf21("1","7","2","3","3","5","2","1") = "6"
    & skf21("1","7","2","3","3","5","3","1") = "6"
    & skf21("1","7","2","3","3","5","4","1") = "6"
    & skf21("1","7","2","3","3","5","5","1") = "6"
    & skf21("1","7","2","3","3","5","6","1") = "6"
    & skf21("1","7","2","3","3","5","7","1") = "6"
    & skf21("1","7","2","3","3","6","1","1") = "6"
    & skf21("1","7","2","3","3","6","2","1") = "6"
    & skf21("1","7","2","3","3","6","3","1") = "6"
    & skf21("1","7","2","3","3","6","4","1") = "6"
    & skf21("1","7","2","3","3","6","5","1") = "6"
    & skf21("1","7","2","3","3","6","6","1") = "6"
    & skf21("1","7","2","3","3","6","7","1") = "6"
    & skf21("1","7","2","3","3","7","1","1") = "6"
    & skf21("1","7","2","3","3","7","2","1") = "6"
    & skf21("1","7","2","3","3","7","3","1") = "6"
    & skf21("1","7","2","3","3","7","4","1") = "6"
    & skf21("1","7","2","3","3","7","5","1") = "6"
    & skf21("1","7","2","3","3","7","6","1") = "6"
    & skf21("1","7","2","3","3","7","7","1") = "6"
    & skf21("1","7","2","3","4","1","1","1") = "6"
    & skf21("1","7","2","3","4","1","2","1") = "6"
    & skf21("1","7","2","3","4","1","3","1") = "6"
    & skf21("1","7","2","3","4","1","4","1") = "6"
    & skf21("1","7","2","3","4","1","5","1") = "6"
    & skf21("1","7","2","3","4","1","6","1") = "6"
    & skf21("1","7","2","3","4","1","7","1") = "6"
    & skf21("1","7","2","3","4","2","1","1") = "6"
    & skf21("1","7","2","3","4","2","2","1") = "6"
    & skf21("1","7","2","3","4","2","3","1") = "6"
    & skf21("1","7","2","3","4","2","4","1") = "6"
    & skf21("1","7","2","3","4","2","5","1") = "6"
    & skf21("1","7","2","3","4","2","6","1") = "6"
    & skf21("1","7","2","3","4","2","7","1") = "6"
    & skf21("1","7","2","3","4","3","1","1") = "6"
    & skf21("1","7","2","3","4","3","2","1") = "6"
    & skf21("1","7","2","3","4","3","3","1") = "6"
    & skf21("1","7","2","3","4","3","4","1") = "6"
    & skf21("1","7","2","3","4","3","5","1") = "6"
    & skf21("1","7","2","3","4","3","6","1") = "6"
    & skf21("1","7","2","3","4","3","7","1") = "6"
    & skf21("1","7","2","3","4","4","1","1") = "6"
    & skf21("1","7","2","3","4","4","2","1") = "6"
    & skf21("1","7","2","3","4","4","3","1") = "6"
    & skf21("1","7","2","3","4","4","4","1") = "6"
    & skf21("1","7","2","3","4","4","5","1") = "6"
    & skf21("1","7","2","3","4","4","6","1") = "6"
    & skf21("1","7","2","3","4","4","7","1") = "6"
    & skf21("1","7","2","3","4","5","1","1") = "6"
    & skf21("1","7","2","3","4","5","2","1") = "6"
    & skf21("1","7","2","3","4","5","3","1") = "6"
    & skf21("1","7","2","3","4","5","4","1") = "6"
    & skf21("1","7","2","3","4","5","5","1") = "6"
    & skf21("1","7","2","3","4","5","6","1") = "6"
    & skf21("1","7","2","3","4","5","7","1") = "6"
    & skf21("1","7","2","3","4","6","1","1") = "6"
    & skf21("1","7","2","3","4","6","2","1") = "6"
    & skf21("1","7","2","3","4","6","3","1") = "6"
    & skf21("1","7","2","3","4","6","4","1") = "6"
    & skf21("1","7","2","3","4","6","5","1") = "6"
    & skf21("1","7","2","3","4","6","6","1") = "6"
    & skf21("1","7","2","3","4","6","7","1") = "6"
    & skf21("1","7","2","3","4","7","1","1") = "6"
    & skf21("1","7","2","3","4","7","2","1") = "6"
    & skf21("1","7","2","3","4","7","3","1") = "6"
    & skf21("1","7","2","3","4","7","4","1") = "6"
    & skf21("1","7","2","3","4","7","5","1") = "6"
    & skf21("1","7","2","3","4","7","6","1") = "6"
    & skf21("1","7","2","3","4","7","7","1") = "6"
    & skf21("1","7","2","3","5","1","1","1") = "6"
    & skf21("1","7","2","3","5","1","2","1") = "6"
    & skf21("1","7","2","3","5","1","3","1") = "6"
    & skf21("1","7","2","3","5","1","4","1") = "6"
    & skf21("1","7","2","3","5","1","5","1") = "6"
    & skf21("1","7","2","3","5","1","6","1") = "6"
    & skf21("1","7","2","3","5","1","7","1") = "6"
    & skf21("1","7","2","3","5","2","1","1") = "6"
    & skf21("1","7","2","3","5","2","2","1") = "6"
    & skf21("1","7","2","3","5","2","3","1") = "6"
    & skf21("1","7","2","3","5","2","4","1") = "6"
    & skf21("1","7","2","3","5","2","5","1") = "6"
    & skf21("1","7","2","3","5","2","6","1") = "6"
    & skf21("1","7","2","3","5","2","7","1") = "6"
    & skf21("1","7","2","3","5","3","1","1") = "6"
    & skf21("1","7","2","3","5","3","2","1") = "6"
    & skf21("1","7","2","3","5","3","3","1") = "6"
    & skf21("1","7","2","3","5","3","4","1") = "6"
    & skf21("1","7","2","3","5","3","5","1") = "6"
    & skf21("1","7","2","3","5","3","6","1") = "6"
    & skf21("1","7","2","3","5","3","7","1") = "6"
    & skf21("1","7","2","3","5","4","1","1") = "6"
    & skf21("1","7","2","3","5","4","2","1") = "6"
    & skf21("1","7","2","3","5","4","3","1") = "6"
    & skf21("1","7","2","3","5","4","4","1") = "6"
    & skf21("1","7","2","3","5","4","5","1") = "6"
    & skf21("1","7","2","3","5","4","6","1") = "6"
    & skf21("1","7","2","3","5","4","7","1") = "6"
    & skf21("1","7","2","3","5","5","1","1") = "6"
    & skf21("1","7","2","3","5","5","2","1") = "6"
    & skf21("1","7","2","3","5","5","3","1") = "6"
    & skf21("1","7","2","3","5","5","4","1") = "6"
    & skf21("1","7","2","3","5","5","5","1") = "6"
    & skf21("1","7","2","3","5","5","6","1") = "6"
    & skf21("1","7","2","3","5","5","7","1") = "6"
    & skf21("1","7","2","3","5","6","1","1") = "6"
    & skf21("1","7","2","3","5","6","2","1") = "6"
    & skf21("1","7","2","3","5","6","3","1") = "6"
    & skf21("1","7","2","3","5","6","4","1") = "6"
    & skf21("1","7","2","3","5","6","5","1") = "6"
    & skf21("1","7","2","3","5","6","6","1") = "6"
    & skf21("1","7","2","3","5","6","7","1") = "6"
    & skf21("1","7","2","3","5","7","1","1") = "6"
    & skf21("1","7","2","3","5","7","2","1") = "6"
    & skf21("1","7","2","3","5","7","3","1") = "6"
    & skf21("1","7","2","3","5","7","4","1") = "6"
    & skf21("1","7","2","3","5","7","5","1") = "6"
    & skf21("1","7","2","3","5","7","6","1") = "6"
    & skf21("1","7","2","3","5","7","7","1") = "6"
    & skf21("1","7","2","3","6","1","1","1") = "6"
    & skf21("1","7","2","3","6","1","2","1") = "6"
    & skf21("1","7","2","3","6","1","3","1") = "6"
    & skf21("1","7","2","3","6","1","4","1") = "6"
    & skf21("1","7","2","3","6","1","5","1") = "6"
    & skf21("1","7","2","3","6","1","6","1") = "6"
    & skf21("1","7","2","3","6","1","7","1") = "6"
    & skf21("1","7","2","3","6","2","1","1") = "6"
    & skf21("1","7","2","3","6","2","2","1") = "6"
    & skf21("1","7","2","3","6","2","3","1") = "6"
    & skf21("1","7","2","3","6","2","4","1") = "6"
    & skf21("1","7","2","3","6","2","5","1") = "6"
    & skf21("1","7","2","3","6","2","6","1") = "6"
    & skf21("1","7","2","3","6","2","7","1") = "6"
    & skf21("1","7","2","3","6","3","1","1") = "6"
    & skf21("1","7","2","3","6","3","2","1") = "6"
    & skf21("1","7","2","3","6","3","3","1") = "6"
    & skf21("1","7","2","3","6","3","4","1") = "6"
    & skf21("1","7","2","3","6","3","5","1") = "6"
    & skf21("1","7","2","3","6","3","6","1") = "6"
    & skf21("1","7","2","3","6","3","7","1") = "6"
    & skf21("1","7","2","3","6","4","1","1") = "6"
    & skf21("1","7","2","3","6","4","2","1") = "6"
    & skf21("1","7","2","3","6","4","3","1") = "6"
    & skf21("1","7","2","3","6","4","4","1") = "6"
    & skf21("1","7","2","3","6","4","5","1") = "6"
    & skf21("1","7","2","3","6","4","6","1") = "6"
    & skf21("1","7","2","3","6","4","7","1") = "6"
    & skf21("1","7","2","3","6","5","1","1") = "6"
    & skf21("1","7","2","3","6","5","2","1") = "6"
    & skf21("1","7","2","3","6","5","3","1") = "6"
    & skf21("1","7","2","3","6","5","4","1") = "6"
    & skf21("1","7","2","3","6","5","5","1") = "6"
    & skf21("1","7","2","3","6","5","6","1") = "6"
    & skf21("1","7","2","3","6","5","7","1") = "6"
    & skf21("1","7","2","3","6","6","1","1") = "6"
    & skf21("1","7","2","3","6","6","2","1") = "6"
    & skf21("1","7","2","3","6","6","3","1") = "6"
    & skf21("1","7","2","3","6","6","4","1") = "6"
    & skf21("1","7","2","3","6","6","5","1") = "6"
    & skf21("1","7","2","3","6","6","6","1") = "6"
    & skf21("1","7","2","3","6","6","7","1") = "6"
    & skf21("1","7","2","3","6","7","1","1") = "6"
    & skf21("1","7","2","3","6","7","2","1") = "6"
    & skf21("1","7","2","3","6","7","3","1") = "6"
    & skf21("1","7","2","3","6","7","4","1") = "6"
    & skf21("1","7","2","3","6","7","5","1") = "6"
    & skf21("1","7","2","3","6","7","6","1") = "6"
    & skf21("1","7","2","3","6","7","7","1") = "6"
    & skf21("1","7","2","3","7","1","1","1") = "6"
    & skf21("1","7","2","3","7","1","2","1") = "6"
    & skf21("1","7","2","3","7","1","3","1") = "6"
    & skf21("1","7","2","3","7","1","4","1") = "6"
    & skf21("1","7","2","3","7","1","5","1") = "6"
    & skf21("1","7","2","3","7","1","6","1") = "6"
    & skf21("1","7","2","3","7","1","7","1") = "6"
    & skf21("1","7","2","3","7","2","1","1") = "6"
    & skf21("1","7","2","3","7","2","2","1") = "6"
    & skf21("1","7","2","3","7","2","3","1") = "6"
    & skf21("1","7","2","3","7","2","4","1") = "6"
    & skf21("1","7","2","3","7","2","5","1") = "6"
    & skf21("1","7","2","3","7","2","6","1") = "6"
    & skf21("1","7","2","3","7","2","7","1") = "6"
    & skf21("1","7","2","3","7","3","1","1") = "6"
    & skf21("1","7","2","3","7","3","2","1") = "6"
    & skf21("1","7","2","3","7","3","3","1") = "6"
    & skf21("1","7","2","3","7","3","4","1") = "6"
    & skf21("1","7","2","3","7","3","5","1") = "6"
    & skf21("1","7","2","3","7","3","6","1") = "6"
    & skf21("1","7","2","3","7","3","7","1") = "6"
    & skf21("1","7","2","3","7","4","1","1") = "6"
    & skf21("1","7","2","3","7","4","2","1") = "6"
    & skf21("1","7","2","3","7","4","3","1") = "6"
    & skf21("1","7","2","3","7","4","4","1") = "6"
    & skf21("1","7","2","3","7","4","5","1") = "6"
    & skf21("1","7","2","3","7","4","6","1") = "6"
    & skf21("1","7","2","3","7","4","7","1") = "6"
    & skf21("1","7","2","3","7","5","1","1") = "6"
    & skf21("1","7","2","3","7","5","2","1") = "6"
    & skf21("1","7","2","3","7","5","3","1") = "6"
    & skf21("1","7","2","3","7","5","4","1") = "6"
    & skf21("1","7","2","3","7","5","5","1") = "6"
    & skf21("1","7","2","3","7","5","6","1") = "6"
    & skf21("1","7","2","3","7","5","7","1") = "6"
    & skf21("1","7","2","3","7","6","1","1") = "6"
    & skf21("1","7","2","3","7","6","2","1") = "6"
    & skf21("1","7","2","3","7","6","3","1") = "6"
    & skf21("1","7","2","3","7","6","4","1") = "6"
    & skf21("1","7","2","3","7","6","5","1") = "6"
    & skf21("1","7","2","3","7","6","6","1") = "6"
    & skf21("1","7","2","3","7","6","7","1") = "6"
    & skf21("1","7","2","3","7","7","1","1") = "6"
    & skf21("1","7","2","3","7","7","2","1") = "6"
    & skf21("1","7","2","3","7","7","3","1") = "6"
    & skf21("1","7","2","3","7","7","4","1") = "6"
    & skf21("1","7","2","3","7","7","5","1") = "6"
    & skf21("1","7","2","3","7","7","6","1") = "6"
    & skf21("1","7","2","3","7","7","7","1") = "6"
    & skf21("1","7","2","4","1","1","1","1") = "6"
    & skf21("1","7","2","4","1","1","2","1") = "6"
    & skf21("1","7","2","4","1","1","3","1") = "6"
    & skf21("1","7","2","4","1","1","4","1") = "6"
    & skf21("1","7","2","4","1","1","5","1") = "6"
    & skf21("1","7","2","4","1","1","6","1") = "6"
    & skf21("1","7","2","4","1","1","7","1") = "6"
    & skf21("1","7","2","4","1","2","1","1") = "6"
    & skf21("1","7","2","4","1","2","2","1") = "6"
    & skf21("1","7","2","4","1","2","3","1") = "6"
    & skf21("1","7","2","4","1","2","4","1") = "6"
    & skf21("1","7","2","4","1","2","5","1") = "6"
    & skf21("1","7","2","4","1","2","6","1") = "6"
    & skf21("1","7","2","4","1","2","7","1") = "6"
    & skf21("1","7","2","4","1","3","1","1") = "6"
    & skf21("1","7","2","4","1","3","2","1") = "6"
    & skf21("1","7","2","4","1","3","3","1") = "6"
    & skf21("1","7","2","4","1","3","4","1") = "6"
    & skf21("1","7","2","4","1","3","5","1") = "6"
    & skf21("1","7","2","4","1","3","6","1") = "6"
    & skf21("1","7","2","4","1","3","7","1") = "6"
    & skf21("1","7","2","4","1","4","1","1") = "6"
    & skf21("1","7","2","4","1","4","2","1") = "6"
    & skf21("1","7","2","4","1","4","3","1") = "6"
    & skf21("1","7","2","4","1","4","4","1") = "6"
    & skf21("1","7","2","4","1","4","5","1") = "6"
    & skf21("1","7","2","4","1","4","6","1") = "6"
    & skf21("1","7","2","4","1","4","7","1") = "6"
    & skf21("1","7","2","4","1","5","1","1") = "6"
    & skf21("1","7","2","4","1","5","2","1") = "6"
    & skf21("1","7","2","4","1","5","3","1") = "6"
    & skf21("1","7","2","4","1","5","4","1") = "6"
    & skf21("1","7","2","4","1","5","5","1") = "6"
    & skf21("1","7","2","4","1","5","6","1") = "6"
    & skf21("1","7","2","4","1","5","7","1") = "6"
    & skf21("1","7","2","4","1","6","1","1") = "6"
    & skf21("1","7","2","4","1","6","2","1") = "6"
    & skf21("1","7","2","4","1","6","3","1") = "6"
    & skf21("1","7","2","4","1","6","4","1") = "6"
    & skf21("1","7","2","4","1","6","5","1") = "6"
    & skf21("1","7","2","4","1","6","6","1") = "6"
    & skf21("1","7","2","4","1","6","7","1") = "6"
    & skf21("1","7","2","4","1","7","1","1") = "6"
    & skf21("1","7","2","4","1","7","2","1") = "6"
    & skf21("1","7","2","4","1","7","3","1") = "6"
    & skf21("1","7","2","4","1","7","4","1") = "6"
    & skf21("1","7","2","4","1","7","5","1") = "6"
    & skf21("1","7","2","4","1","7","6","1") = "6"
    & skf21("1","7","2","4","1","7","7","1") = "6"
    & skf21("1","7","2","4","2","1","1","1") = "6"
    & skf21("1","7","2","4","2","1","2","1") = "6"
    & skf21("1","7","2","4","2","1","3","1") = "6"
    & skf21("1","7","2","4","2","1","4","1") = "6"
    & skf21("1","7","2","4","2","1","5","1") = "6"
    & skf21("1","7","2","4","2","1","6","1") = "6"
    & skf21("1","7","2","4","2","1","7","1") = "6"
    & skf21("1","7","2","4","2","2","1","1") = "6"
    & skf21("1","7","2","4","2","2","2","1") = "6"
    & skf21("1","7","2","4","2","2","3","1") = "6"
    & skf21("1","7","2","4","2","2","4","1") = "6"
    & skf21("1","7","2","4","2","2","5","1") = "6"
    & skf21("1","7","2","4","2","2","6","1") = "6"
    & skf21("1","7","2","4","2","2","7","1") = "6"
    & skf21("1","7","2","4","2","3","1","1") = "6"
    & skf21("1","7","2","4","2","3","2","1") = "6"
    & skf21("1","7","2","4","2","3","3","1") = "6"
    & skf21("1","7","2","4","2","3","4","1") = "6"
    & skf21("1","7","2","4","2","3","5","1") = "6"
    & skf21("1","7","2","4","2","3","6","1") = "6"
    & skf21("1","7","2","4","2","3","7","1") = "6"
    & skf21("1","7","2","4","2","4","1","1") = "6"
    & skf21("1","7","2","4","2","4","2","1") = "6"
    & skf21("1","7","2","4","2","4","3","1") = "6"
    & skf21("1","7","2","4","2","4","4","1") = "6"
    & skf21("1","7","2","4","2","4","5","1") = "6"
    & skf21("1","7","2","4","2","4","6","1") = "6"
    & skf21("1","7","2","4","2","4","7","1") = "6"
    & skf21("1","7","2","4","2","5","1","1") = "6"
    & skf21("1","7","2","4","2","5","2","1") = "6"
    & skf21("1","7","2","4","2","5","3","1") = "6"
    & skf21("1","7","2","4","2","5","4","1") = "6"
    & skf21("1","7","2","4","2","5","5","1") = "6"
    & skf21("1","7","2","4","2","5","6","1") = "6"
    & skf21("1","7","2","4","2","5","7","1") = "6"
    & skf21("1","7","2","4","2","6","1","1") = "6"
    & skf21("1","7","2","4","2","6","2","1") = "6"
    & skf21("1","7","2","4","2","6","3","1") = "6"
    & skf21("1","7","2","4","2","6","4","1") = "6"
    & skf21("1","7","2","4","2","6","5","1") = "6"
    & skf21("1","7","2","4","2","6","6","1") = "6"
    & skf21("1","7","2","4","2","6","7","1") = "6"
    & skf21("1","7","2","4","2","7","1","1") = "6"
    & skf21("1","7","2","4","2","7","2","1") = "6"
    & skf21("1","7","2","4","2","7","3","1") = "6"
    & skf21("1","7","2","4","2","7","4","1") = "6"
    & skf21("1","7","2","4","2","7","5","1") = "6"
    & skf21("1","7","2","4","2","7","6","1") = "6"
    & skf21("1","7","2","4","2","7","7","1") = "6"
    & skf21("1","7","2","4","3","1","1","1") = "6"
    & skf21("1","7","2","4","3","1","2","1") = "6"
    & skf21("1","7","2","4","3","1","3","1") = "6"
    & skf21("1","7","2","4","3","1","4","1") = "6"
    & skf21("1","7","2","4","3","1","5","1") = "6"
    & skf21("1","7","2","4","3","1","6","1") = "6"
    & skf21("1","7","2","4","3","1","7","1") = "6"
    & skf21("1","7","2","4","3","2","1","1") = "6"
    & skf21("1","7","2","4","3","2","2","1") = "6"
    & skf21("1","7","2","4","3","2","3","1") = "6"
    & skf21("1","7","2","4","3","2","4","1") = "6"
    & skf21("1","7","2","4","3","2","5","1") = "6"
    & skf21("1","7","2","4","3","2","6","1") = "6"
    & skf21("1","7","2","4","3","2","7","1") = "6"
    & skf21("1","7","2","4","3","3","1","1") = "6"
    & skf21("1","7","2","4","3","3","2","1") = "6"
    & skf21("1","7","2","4","3","3","3","1") = "6"
    & skf21("1","7","2","4","3","3","4","1") = "6"
    & skf21("1","7","2","4","3","3","5","1") = "6"
    & skf21("1","7","2","4","3","3","6","1") = "6"
    & skf21("1","7","2","4","3","3","7","1") = "6"
    & skf21("1","7","2","4","3","4","1","1") = "6"
    & skf21("1","7","2","4","3","4","2","1") = "6"
    & skf21("1","7","2","4","3","4","3","1") = "6"
    & skf21("1","7","2","4","3","4","4","1") = "6"
    & skf21("1","7","2","4","3","4","5","1") = "6"
    & skf21("1","7","2","4","3","4","6","1") = "6"
    & skf21("1","7","2","4","3","4","7","1") = "6"
    & skf21("1","7","2","4","3","5","1","1") = "6"
    & skf21("1","7","2","4","3","5","2","1") = "6"
    & skf21("1","7","2","4","3","5","3","1") = "6"
    & skf21("1","7","2","4","3","5","4","1") = "6"
    & skf21("1","7","2","4","3","5","5","1") = "6"
    & skf21("1","7","2","4","3","5","6","1") = "6"
    & skf21("1","7","2","4","3","5","7","1") = "6"
    & skf21("1","7","2","4","3","6","1","1") = "6"
    & skf21("1","7","2","4","3","6","2","1") = "6"
    & skf21("1","7","2","4","3","6","3","1") = "6"
    & skf21("1","7","2","4","3","6","4","1") = "6"
    & skf21("1","7","2","4","3","6","5","1") = "6"
    & skf21("1","7","2","4","3","6","6","1") = "6"
    & skf21("1","7","2","4","3","6","7","1") = "6"
    & skf21("1","7","2","4","3","7","1","1") = "6"
    & skf21("1","7","2","4","3","7","2","1") = "6"
    & skf21("1","7","2","4","3","7","3","1") = "6"
    & skf21("1","7","2","4","3","7","4","1") = "6"
    & skf21("1","7","2","4","3","7","5","1") = "6"
    & skf21("1","7","2","4","3","7","6","1") = "6"
    & skf21("1","7","2","4","3","7","7","1") = "6"
    & skf21("1","7","2","4","4","1","1","1") = "6"
    & skf21("1","7","2","4","4","1","2","1") = "6"
    & skf21("1","7","2","4","4","1","3","1") = "6"
    & skf21("1","7","2","4","4","1","4","1") = "6"
    & skf21("1","7","2","4","4","1","5","1") = "6"
    & skf21("1","7","2","4","4","1","6","1") = "6"
    & skf21("1","7","2","4","4","1","7","1") = "6"
    & skf21("1","7","2","4","4","2","1","1") = "6"
    & skf21("1","7","2","4","4","2","2","1") = "6"
    & skf21("1","7","2","4","4","2","3","1") = "6"
    & skf21("1","7","2","4","4","2","4","1") = "6"
    & skf21("1","7","2","4","4","2","5","1") = "6"
    & skf21("1","7","2","4","4","2","6","1") = "6"
    & skf21("1","7","2","4","4","2","7","1") = "6"
    & skf21("1","7","2","4","4","3","1","1") = "6"
    & skf21("1","7","2","4","4","3","2","1") = "6"
    & skf21("1","7","2","4","4","3","3","1") = "6"
    & skf21("1","7","2","4","4","3","4","1") = "6"
    & skf21("1","7","2","4","4","3","5","1") = "6"
    & skf21("1","7","2","4","4","3","6","1") = "6"
    & skf21("1","7","2","4","4","3","7","1") = "6"
    & skf21("1","7","2","4","4","4","1","1") = "6"
    & skf21("1","7","2","4","4","4","2","1") = "6"
    & skf21("1","7","2","4","4","4","3","1") = "6"
    & skf21("1","7","2","4","4","4","4","1") = "6"
    & skf21("1","7","2","4","4","4","5","1") = "6"
    & skf21("1","7","2","4","4","4","6","1") = "6"
    & skf21("1","7","2","4","4","4","7","1") = "6"
    & skf21("1","7","2","4","4","5","1","1") = "6"
    & skf21("1","7","2","4","4","5","2","1") = "6"
    & skf21("1","7","2","4","4","5","3","1") = "6"
    & skf21("1","7","2","4","4","5","4","1") = "6"
    & skf21("1","7","2","4","4","5","5","1") = "6"
    & skf21("1","7","2","4","4","5","6","1") = "6"
    & skf21("1","7","2","4","4","5","7","1") = "6"
    & skf21("1","7","2","4","4","6","1","1") = "6"
    & skf21("1","7","2","4","4","6","2","1") = "6"
    & skf21("1","7","2","4","4","6","3","1") = "6"
    & skf21("1","7","2","4","4","6","4","1") = "6"
    & skf21("1","7","2","4","4","6","5","1") = "6"
    & skf21("1","7","2","4","4","6","6","1") = "6"
    & skf21("1","7","2","4","4","6","7","1") = "6"
    & skf21("1","7","2","4","4","7","1","1") = "6"
    & skf21("1","7","2","4","4","7","2","1") = "6"
    & skf21("1","7","2","4","4","7","3","1") = "6"
    & skf21("1","7","2","4","4","7","4","1") = "6"
    & skf21("1","7","2","4","4","7","5","1") = "6"
    & skf21("1","7","2","4","4","7","6","1") = "6"
    & skf21("1","7","2","4","4","7","7","1") = "6"
    & skf21("1","7","2","4","5","1","1","1") = "6"
    & skf21("1","7","2","4","5","1","2","1") = "6"
    & skf21("1","7","2","4","5","1","3","1") = "6"
    & skf21("1","7","2","4","5","1","4","1") = "6"
    & skf21("1","7","2","4","5","1","5","1") = "6"
    & skf21("1","7","2","4","5","1","6","1") = "6"
    & skf21("1","7","2","4","5","1","7","1") = "6"
    & skf21("1","7","2","4","5","2","1","1") = "6"
    & skf21("1","7","2","4","5","2","2","1") = "6"
    & skf21("1","7","2","4","5","2","3","1") = "6"
    & skf21("1","7","2","4","5","2","4","1") = "6"
    & skf21("1","7","2","4","5","2","5","1") = "6"
    & skf21("1","7","2","4","5","2","6","1") = "6"
    & skf21("1","7","2","4","5","2","7","1") = "6"
    & skf21("1","7","2","4","5","3","1","1") = "6"
    & skf21("1","7","2","4","5","3","2","1") = "6"
    & skf21("1","7","2","4","5","3","3","1") = "6"
    & skf21("1","7","2","4","5","3","4","1") = "6"
    & skf21("1","7","2","4","5","3","5","1") = "6"
    & skf21("1","7","2","4","5","3","6","1") = "6"
    & skf21("1","7","2","4","5","3","7","1") = "6"
    & skf21("1","7","2","4","5","4","1","1") = "6"
    & skf21("1","7","2","4","5","4","2","1") = "6"
    & skf21("1","7","2","4","5","4","3","1") = "6"
    & skf21("1","7","2","4","5","4","4","1") = "6"
    & skf21("1","7","2","4","5","4","5","1") = "6"
    & skf21("1","7","2","4","5","4","6","1") = "6"
    & skf21("1","7","2","4","5","4","7","1") = "6"
    & skf21("1","7","2","4","5","5","1","1") = "6"
    & skf21("1","7","2","4","5","5","2","1") = "6"
    & skf21("1","7","2","4","5","5","3","1") = "6"
    & skf21("1","7","2","4","5","5","4","1") = "6"
    & skf21("1","7","2","4","5","5","5","1") = "6"
    & skf21("1","7","2","4","5","5","6","1") = "6"
    & skf21("1","7","2","4","5","5","7","1") = "6"
    & skf21("1","7","2","4","5","6","1","1") = "6"
    & skf21("1","7","2","4","5","6","2","1") = "6"
    & skf21("1","7","2","4","5","6","3","1") = "6"
    & skf21("1","7","2","4","5","6","4","1") = "6"
    & skf21("1","7","2","4","5","6","5","1") = "6"
    & skf21("1","7","2","4","5","6","6","1") = "6"
    & skf21("1","7","2","4","5","6","7","1") = "6"
    & skf21("1","7","2","4","5","7","1","1") = "6"
    & skf21("1","7","2","4","5","7","2","1") = "6"
    & skf21("1","7","2","4","5","7","3","1") = "6"
    & skf21("1","7","2","4","5","7","4","1") = "6"
    & skf21("1","7","2","4","5","7","5","1") = "6"
    & skf21("1","7","2","4","5","7","6","1") = "6"
    & skf21("1","7","2","4","5","7","7","1") = "6"
    & skf21("1","7","2","4","6","1","1","1") = "6"
    & skf21("1","7","2","4","6","1","2","1") = "6"
    & skf21("1","7","2","4","6","1","3","1") = "6"
    & skf21("1","7","2","4","6","1","4","1") = "6"
    & skf21("1","7","2","4","6","1","5","1") = "6"
    & skf21("1","7","2","4","6","1","6","1") = "6"
    & skf21("1","7","2","4","6","1","7","1") = "6"
    & skf21("1","7","2","4","6","2","1","1") = "6"
    & skf21("1","7","2","4","6","2","2","1") = "6"
    & skf21("1","7","2","4","6","2","3","1") = "6"
    & skf21("1","7","2","4","6","2","4","1") = "6"
    & skf21("1","7","2","4","6","2","5","1") = "6"
    & skf21("1","7","2","4","6","2","6","1") = "6"
    & skf21("1","7","2","4","6","2","7","1") = "6"
    & skf21("1","7","2","4","6","3","1","1") = "6"
    & skf21("1","7","2","4","6","3","2","1") = "6"
    & skf21("1","7","2","4","6","3","3","1") = "6"
    & skf21("1","7","2","4","6","3","4","1") = "6"
    & skf21("1","7","2","4","6","3","5","1") = "6"
    & skf21("1","7","2","4","6","3","6","1") = "6"
    & skf21("1","7","2","4","6","3","7","1") = "6"
    & skf21("1","7","2","4","6","4","1","1") = "6"
    & skf21("1","7","2","4","6","4","2","1") = "6"
    & skf21("1","7","2","4","6","4","3","1") = "6"
    & skf21("1","7","2","4","6","4","4","1") = "6"
    & skf21("1","7","2","4","6","4","5","1") = "6"
    & skf21("1","7","2","4","6","4","6","1") = "6"
    & skf21("1","7","2","4","6","4","7","1") = "6"
    & skf21("1","7","2","4","6","5","1","1") = "6"
    & skf21("1","7","2","4","6","5","2","1") = "6"
    & skf21("1","7","2","4","6","5","3","1") = "6"
    & skf21("1","7","2","4","6","5","4","1") = "6"
    & skf21("1","7","2","4","6","5","5","1") = "6"
    & skf21("1","7","2","4","6","5","6","1") = "6"
    & skf21("1","7","2","4","6","5","7","1") = "6"
    & skf21("1","7","2","4","6","6","1","1") = "6"
    & skf21("1","7","2","4","6","6","2","1") = "6"
    & skf21("1","7","2","4","6","6","3","1") = "6"
    & skf21("1","7","2","4","6","6","4","1") = "6"
    & skf21("1","7","2","4","6","6","5","1") = "6"
    & skf21("1","7","2","4","6","6","6","1") = "6"
    & skf21("1","7","2","4","6","6","7","1") = "6"
    & skf21("1","7","2","4","6","7","1","1") = "6"
    & skf21("1","7","2","4","6","7","2","1") = "6"
    & skf21("1","7","2","4","6","7","3","1") = "6"
    & skf21("1","7","2","4","6","7","4","1") = "6"
    & skf21("1","7","2","4","6","7","5","1") = "6"
    & skf21("1","7","2","4","6","7","6","1") = "6"
    & skf21("1","7","2","4","6","7","7","1") = "6"
    & skf21("1","7","2","4","7","1","1","1") = "6"
    & skf21("1","7","2","4","7","1","2","1") = "6"
    & skf21("1","7","2","4","7","1","3","1") = "6"
    & skf21("1","7","2","4","7","1","4","1") = "6"
    & skf21("1","7","2","4","7","1","5","1") = "6"
    & skf21("1","7","2","4","7","1","6","1") = "6"
    & skf21("1","7","2","4","7","1","7","1") = "6"
    & skf21("1","7","2","4","7","2","1","1") = "6"
    & skf21("1","7","2","4","7","2","2","1") = "6"
    & skf21("1","7","2","4","7","2","3","1") = "6"
    & skf21("1","7","2","4","7","2","4","1") = "6"
    & skf21("1","7","2","4","7","2","5","1") = "6"
    & skf21("1","7","2","4","7","2","6","1") = "6"
    & skf21("1","7","2","4","7","2","7","1") = "6"
    & skf21("1","7","2","4","7","3","1","1") = "6"
    & skf21("1","7","2","4","7","3","2","1") = "6"
    & skf21("1","7","2","4","7","3","3","1") = "6"
    & skf21("1","7","2","4","7","3","4","1") = "6"
    & skf21("1","7","2","4","7","3","5","1") = "6"
    & skf21("1","7","2","4","7","3","6","1") = "6"
    & skf21("1","7","2","4","7","3","7","1") = "6"
    & skf21("1","7","2","4","7","4","1","1") = "6"
    & skf21("1","7","2","4","7","4","2","1") = "6"
    & skf21("1","7","2","4","7","4","3","1") = "6"
    & skf21("1","7","2","4","7","4","4","1") = "6"
    & skf21("1","7","2","4","7","4","5","1") = "6"
    & skf21("1","7","2","4","7","4","6","1") = "6"
    & skf21("1","7","2","4","7","4","7","1") = "6"
    & skf21("1","7","2","4","7","5","1","1") = "6"
    & skf21("1","7","2","4","7","5","2","1") = "6"
    & skf21("1","7","2","4","7","5","3","1") = "6"
    & skf21("1","7","2","4","7","5","4","1") = "6"
    & skf21("1","7","2","4","7","5","5","1") = "6"
    & skf21("1","7","2","4","7","5","6","1") = "6"
    & skf21("1","7","2","4","7","5","7","1") = "6"
    & skf21("1","7","2","4","7","6","1","1") = "6"
    & skf21("1","7","2","4","7","6","2","1") = "6"
    & skf21("1","7","2","4","7","6","3","1") = "6"
    & skf21("1","7","2","4","7","6","4","1") = "6"
    & skf21("1","7","2","4","7","6","5","1") = "6"
    & skf21("1","7","2","4","7","6","6","1") = "6"
    & skf21("1","7","2","4","7","6","7","1") = "6"
    & skf21("1","7","2","4","7","7","1","1") = "6"
    & skf21("1","7","2","4","7","7","2","1") = "6"
    & skf21("1","7","2","4","7","7","3","1") = "6"
    & skf21("1","7","2","4","7","7","4","1") = "6"
    & skf21("1","7","2","4","7","7","5","1") = "6"
    & skf21("1","7","2","4","7","7","6","1") = "6"
    & skf21("1","7","2","4","7","7","7","1") = "6"
    & skf21("1","7","2","5","1","1","1","1") = "6"
    & skf21("1","7","2","5","1","1","2","1") = "6"
    & skf21("1","7","2","5","1","1","3","1") = "6"
    & skf21("1","7","2","5","1","1","4","1") = "6"
    & skf21("1","7","2","5","1","1","5","1") = "6"
    & skf21("1","7","2","5","1","1","6","1") = "6"
    & skf21("1","7","2","5","1","1","7","1") = "6"
    & skf21("1","7","2","5","1","2","1","1") = "6"
    & skf21("1","7","2","5","1","2","2","1") = "6"
    & skf21("1","7","2","5","1","2","3","1") = "6"
    & skf21("1","7","2","5","1","2","4","1") = "6"
    & skf21("1","7","2","5","1","2","5","1") = "6"
    & skf21("1","7","2","5","1","2","6","1") = "6"
    & skf21("1","7","2","5","1","2","7","1") = "6"
    & skf21("1","7","2","5","1","3","1","1") = "6"
    & skf21("1","7","2","5","1","3","2","1") = "6"
    & skf21("1","7","2","5","1","3","3","1") = "6"
    & skf21("1","7","2","5","1","3","4","1") = "6"
    & skf21("1","7","2","5","1","3","5","1") = "6"
    & skf21("1","7","2","5","1","3","6","1") = "6"
    & skf21("1","7","2","5","1","3","7","1") = "6"
    & skf21("1","7","2","5","1","4","1","1") = "6"
    & skf21("1","7","2","5","1","4","2","1") = "6"
    & skf21("1","7","2","5","1","4","3","1") = "6"
    & skf21("1","7","2","5","1","4","4","1") = "6"
    & skf21("1","7","2","5","1","4","5","1") = "6"
    & skf21("1","7","2","5","1","4","6","1") = "6"
    & skf21("1","7","2","5","1","4","7","1") = "6"
    & skf21("1","7","2","5","1","5","1","1") = "6"
    & skf21("1","7","2","5","1","5","2","1") = "6"
    & skf21("1","7","2","5","1","5","3","1") = "6"
    & skf21("1","7","2","5","1","5","4","1") = "6"
    & skf21("1","7","2","5","1","5","5","1") = "6"
    & skf21("1","7","2","5","1","5","6","1") = "6"
    & skf21("1","7","2","5","1","5","7","1") = "6"
    & skf21("1","7","2","5","1","6","1","1") = "6"
    & skf21("1","7","2","5","1","6","2","1") = "6"
    & skf21("1","7","2","5","1","6","3","1") = "6"
    & skf21("1","7","2","5","1","6","4","1") = "6"
    & skf21("1","7","2","5","1","6","5","1") = "6"
    & skf21("1","7","2","5","1","6","6","1") = "6"
    & skf21("1","7","2","5","1","6","7","1") = "6"
    & skf21("1","7","2","5","1","7","1","1") = "6"
    & skf21("1","7","2","5","1","7","2","1") = "6"
    & skf21("1","7","2","5","1","7","3","1") = "6"
    & skf21("1","7","2","5","1","7","4","1") = "6"
    & skf21("1","7","2","5","1","7","5","1") = "6"
    & skf21("1","7","2","5","1","7","6","1") = "6"
    & skf21("1","7","2","5","1","7","7","1") = "6"
    & skf21("1","7","2","5","2","1","1","1") = "6"
    & skf21("1","7","2","5","2","1","2","1") = "6"
    & skf21("1","7","2","5","2","1","3","1") = "6"
    & skf21("1","7","2","5","2","1","4","1") = "6"
    & skf21("1","7","2","5","2","1","5","1") = "6"
    & skf21("1","7","2","5","2","1","6","1") = "6"
    & skf21("1","7","2","5","2","1","7","1") = "6"
    & skf21("1","7","2","5","2","2","1","1") = "6"
    & skf21("1","7","2","5","2","2","2","1") = "6"
    & skf21("1","7","2","5","2","2","3","1") = "6"
    & skf21("1","7","2","5","2","2","4","1") = "6"
    & skf21("1","7","2","5","2","2","5","1") = "6"
    & skf21("1","7","2","5","2","2","6","1") = "6"
    & skf21("1","7","2","5","2","2","7","1") = "6"
    & skf21("1","7","2","5","2","3","1","1") = "6"
    & skf21("1","7","2","5","2","3","2","1") = "6"
    & skf21("1","7","2","5","2","3","3","1") = "6"
    & skf21("1","7","2","5","2","3","4","1") = "6"
    & skf21("1","7","2","5","2","3","5","1") = "6"
    & skf21("1","7","2","5","2","3","6","1") = "6"
    & skf21("1","7","2","5","2","3","7","1") = "6"
    & skf21("1","7","2","5","2","4","1","1") = "6"
    & skf21("1","7","2","5","2","4","2","1") = "6"
    & skf21("1","7","2","5","2","4","3","1") = "6"
    & skf21("1","7","2","5","2","4","4","1") = "6"
    & skf21("1","7","2","5","2","4","5","1") = "6"
    & skf21("1","7","2","5","2","4","6","1") = "6"
    & skf21("1","7","2","5","2","4","7","1") = "6"
    & skf21("1","7","2","5","2","5","1","1") = "6"
    & skf21("1","7","2","5","2","5","2","1") = "6"
    & skf21("1","7","2","5","2","5","3","1") = "6"
    & skf21("1","7","2","5","2","5","4","1") = "6"
    & skf21("1","7","2","5","2","5","5","1") = "6"
    & skf21("1","7","2","5","2","5","6","1") = "6"
    & skf21("1","7","2","5","2","5","7","1") = "6"
    & skf21("1","7","2","5","2","6","1","1") = "6"
    & skf21("1","7","2","5","2","6","2","1") = "6"
    & skf21("1","7","2","5","2","6","3","1") = "6"
    & skf21("1","7","2","5","2","6","4","1") = "6"
    & skf21("1","7","2","5","2","6","5","1") = "6"
    & skf21("1","7","2","5","2","6","6","1") = "6"
    & skf21("1","7","2","5","2","6","7","1") = "6"
    & skf21("1","7","2","5","2","7","1","1") = "6"
    & skf21("1","7","2","5","2","7","2","1") = "6"
    & skf21("1","7","2","5","2","7","3","1") = "6"
    & skf21("1","7","2","5","2","7","4","1") = "6"
    & skf21("1","7","2","5","2","7","5","1") = "6"
    & skf21("1","7","2","5","2","7","6","1") = "6"
    & skf21("1","7","2","5","2","7","7","1") = "6"
    & skf21("1","7","2","5","3","1","1","1") = "6"
    & skf21("1","7","2","5","3","1","2","1") = "6"
    & skf21("1","7","2","5","3","1","3","1") = "6"
    & skf21("1","7","2","5","3","1","4","1") = "6"
    & skf21("1","7","2","5","3","1","5","1") = "6"
    & skf21("1","7","2","5","3","1","6","1") = "6"
    & skf21("1","7","2","5","3","1","7","1") = "6"
    & skf21("1","7","2","5","3","2","1","1") = "6"
    & skf21("1","7","2","5","3","2","2","1") = "6"
    & skf21("1","7","2","5","3","2","3","1") = "6"
    & skf21("1","7","2","5","3","2","4","1") = "6"
    & skf21("1","7","2","5","3","2","5","1") = "6"
    & skf21("1","7","2","5","3","2","6","1") = "6"
    & skf21("1","7","2","5","3","2","7","1") = "6"
    & skf21("1","7","2","5","3","3","1","1") = "6"
    & skf21("1","7","2","5","3","3","2","1") = "6"
    & skf21("1","7","2","5","3","3","3","1") = "6"
    & skf21("1","7","2","5","3","3","4","1") = "6"
    & skf21("1","7","2","5","3","3","5","1") = "6"
    & skf21("1","7","2","5","3","3","6","1") = "6"
    & skf21("1","7","2","5","3","3","7","1") = "6"
    & skf21("1","7","2","5","3","4","1","1") = "6"
    & skf21("1","7","2","5","3","4","2","1") = "6"
    & skf21("1","7","2","5","3","4","3","1") = "6"
    & skf21("1","7","2","5","3","4","4","1") = "6"
    & skf21("1","7","2","5","3","4","5","1") = "6"
    & skf21("1","7","2","5","3","4","6","1") = "6"
    & skf21("1","7","2","5","3","4","7","1") = "6"
    & skf21("1","7","2","5","3","5","1","1") = "6"
    & skf21("1","7","2","5","3","5","2","1") = "6"
    & skf21("1","7","2","5","3","5","3","1") = "6"
    & skf21("1","7","2","5","3","5","4","1") = "6"
    & skf21("1","7","2","5","3","5","5","1") = "6"
    & skf21("1","7","2","5","3","5","6","1") = "6"
    & skf21("1","7","2","5","3","5","7","1") = "6"
    & skf21("1","7","2","5","3","6","1","1") = "6"
    & skf21("1","7","2","5","3","6","2","1") = "6"
    & skf21("1","7","2","5","3","6","3","1") = "6"
    & skf21("1","7","2","5","3","6","4","1") = "6"
    & skf21("1","7","2","5","3","6","5","1") = "6"
    & skf21("1","7","2","5","3","6","6","1") = "6"
    & skf21("1","7","2","5","3","6","7","1") = "6"
    & skf21("1","7","2","5","3","7","1","1") = "6"
    & skf21("1","7","2","5","3","7","2","1") = "6"
    & skf21("1","7","2","5","3","7","3","1") = "6"
    & skf21("1","7","2","5","3","7","4","1") = "6"
    & skf21("1","7","2","5","3","7","5","1") = "6"
    & skf21("1","7","2","5","3","7","6","1") = "6"
    & skf21("1","7","2","5","3","7","7","1") = "6"
    & skf21("1","7","2","5","4","1","1","1") = "6"
    & skf21("1","7","2","5","4","1","2","1") = "6"
    & skf21("1","7","2","5","4","1","3","1") = "6"
    & skf21("1","7","2","5","4","1","4","1") = "6"
    & skf21("1","7","2","5","4","1","5","1") = "6"
    & skf21("1","7","2","5","4","1","6","1") = "6"
    & skf21("1","7","2","5","4","1","7","1") = "6"
    & skf21("1","7","2","5","4","2","1","1") = "6"
    & skf21("1","7","2","5","4","2","2","1") = "6"
    & skf21("1","7","2","5","4","2","3","1") = "6"
    & skf21("1","7","2","5","4","2","4","1") = "6"
    & skf21("1","7","2","5","4","2","5","1") = "6"
    & skf21("1","7","2","5","4","2","6","1") = "6"
    & skf21("1","7","2","5","4","2","7","1") = "6"
    & skf21("1","7","2","5","4","3","1","1") = "6"
    & skf21("1","7","2","5","4","3","2","1") = "6"
    & skf21("1","7","2","5","4","3","3","1") = "6"
    & skf21("1","7","2","5","4","3","4","1") = "6"
    & skf21("1","7","2","5","4","3","5","1") = "6"
    & skf21("1","7","2","5","4","3","6","1") = "6"
    & skf21("1","7","2","5","4","3","7","1") = "6"
    & skf21("1","7","2","5","4","4","1","1") = "6"
    & skf21("1","7","2","5","4","4","2","1") = "6"
    & skf21("1","7","2","5","4","4","3","1") = "6"
    & skf21("1","7","2","5","4","4","4","1") = "6"
    & skf21("1","7","2","5","4","4","5","1") = "6"
    & skf21("1","7","2","5","4","4","6","1") = "6"
    & skf21("1","7","2","5","4","4","7","1") = "6"
    & skf21("1","7","2","5","4","5","1","1") = "6"
    & skf21("1","7","2","5","4","5","2","1") = "6"
    & skf21("1","7","2","5","4","5","3","1") = "6"
    & skf21("1","7","2","5","4","5","4","1") = "6"
    & skf21("1","7","2","5","4","5","5","1") = "6"
    & skf21("1","7","2","5","4","5","6","1") = "6"
    & skf21("1","7","2","5","4","5","7","1") = "6"
    & skf21("1","7","2","5","4","6","1","1") = "6"
    & skf21("1","7","2","5","4","6","2","1") = "6"
    & skf21("1","7","2","5","4","6","3","1") = "6"
    & skf21("1","7","2","5","4","6","4","1") = "6"
    & skf21("1","7","2","5","4","6","5","1") = "6"
    & skf21("1","7","2","5","4","6","6","1") = "6"
    & skf21("1","7","2","5","4","6","7","1") = "6"
    & skf21("1","7","2","5","4","7","1","1") = "6"
    & skf21("1","7","2","5","4","7","2","1") = "6"
    & skf21("1","7","2","5","4","7","3","1") = "6"
    & skf21("1","7","2","5","4","7","4","1") = "6"
    & skf21("1","7","2","5","4","7","5","1") = "6"
    & skf21("1","7","2","5","4","7","6","1") = "6"
    & skf21("1","7","2","5","4","7","7","1") = "6"
    & skf21("1","7","2","5","5","1","1","1") = "6"
    & skf21("1","7","2","5","5","1","2","1") = "6"
    & skf21("1","7","2","5","5","1","3","1") = "6"
    & skf21("1","7","2","5","5","1","4","1") = "6"
    & skf21("1","7","2","5","5","1","5","1") = "6"
    & skf21("1","7","2","5","5","1","6","1") = "6"
    & skf21("1","7","2","5","5","1","7","1") = "6"
    & skf21("1","7","2","5","5","2","1","1") = "6"
    & skf21("1","7","2","5","5","2","2","1") = "6"
    & skf21("1","7","2","5","5","2","3","1") = "6"
    & skf21("1","7","2","5","5","2","4","1") = "6"
    & skf21("1","7","2","5","5","2","5","1") = "6"
    & skf21("1","7","2","5","5","2","6","1") = "6"
    & skf21("1","7","2","5","5","2","7","1") = "6"
    & skf21("1","7","2","5","5","3","1","1") = "6"
    & skf21("1","7","2","5","5","3","2","1") = "6"
    & skf21("1","7","2","5","5","3","3","1") = "6"
    & skf21("1","7","2","5","5","3","4","1") = "6"
    & skf21("1","7","2","5","5","3","5","1") = "6"
    & skf21("1","7","2","5","5","3","6","1") = "6"
    & skf21("1","7","2","5","5","3","7","1") = "6"
    & skf21("1","7","2","5","5","4","1","1") = "6"
    & skf21("1","7","2","5","5","4","2","1") = "6"
    & skf21("1","7","2","5","5","4","3","1") = "6"
    & skf21("1","7","2","5","5","4","4","1") = "6"
    & skf21("1","7","2","5","5","4","5","1") = "6"
    & skf21("1","7","2","5","5","4","6","1") = "6"
    & skf21("1","7","2","5","5","4","7","1") = "6"
    & skf21("1","7","2","5","5","5","1","1") = "6"
    & skf21("1","7","2","5","5","5","2","1") = "6"
    & skf21("1","7","2","5","5","5","3","1") = "6"
    & skf21("1","7","2","5","5","5","4","1") = "6"
    & skf21("1","7","2","5","5","5","5","1") = "6"
    & skf21("1","7","2","5","5","5","6","1") = "6"
    & skf21("1","7","2","5","5","5","7","1") = "6"
    & skf21("1","7","2","5","5","6","1","1") = "6"
    & skf21("1","7","2","5","5","6","2","1") = "6"
    & skf21("1","7","2","5","5","6","3","1") = "6"
    & skf21("1","7","2","5","5","6","4","1") = "6"
    & skf21("1","7","2","5","5","6","5","1") = "6"
    & skf21("1","7","2","5","5","6","6","1") = "6"
    & skf21("1","7","2","5","5","6","7","1") = "6"
    & skf21("1","7","2","5","5","7","1","1") = "6"
    & skf21("1","7","2","5","5","7","2","1") = "6"
    & skf21("1","7","2","5","5","7","3","1") = "6"
    & skf21("1","7","2","5","5","7","4","1") = "6"
    & skf21("1","7","2","5","5","7","5","1") = "6"
    & skf21("1","7","2","5","5","7","6","1") = "6"
    & skf21("1","7","2","5","5","7","7","1") = "6"
    & skf21("1","7","2","5","6","1","1","1") = "6"
    & skf21("1","7","2","5","6","1","2","1") = "6"
    & skf21("1","7","2","5","6","1","3","1") = "6"
    & skf21("1","7","2","5","6","1","4","1") = "6"
    & skf21("1","7","2","5","6","1","5","1") = "6"
    & skf21("1","7","2","5","6","1","6","1") = "6"
    & skf21("1","7","2","5","6","1","7","1") = "6"
    & skf21("1","7","2","5","6","2","1","1") = "6"
    & skf21("1","7","2","5","6","2","2","1") = "6"
    & skf21("1","7","2","5","6","2","3","1") = "6"
    & skf21("1","7","2","5","6","2","4","1") = "6"
    & skf21("1","7","2","5","6","2","5","1") = "6"
    & skf21("1","7","2","5","6","2","6","1") = "6"
    & skf21("1","7","2","5","6","2","7","1") = "6"
    & skf21("1","7","2","5","6","3","1","1") = "6"
    & skf21("1","7","2","5","6","3","2","1") = "6"
    & skf21("1","7","2","5","6","3","3","1") = "6"
    & skf21("1","7","2","5","6","3","4","1") = "6"
    & skf21("1","7","2","5","6","3","5","1") = "6"
    & skf21("1","7","2","5","6","3","6","1") = "6"
    & skf21("1","7","2","5","6","3","7","1") = "6"
    & skf21("1","7","2","5","6","4","1","1") = "6"
    & skf21("1","7","2","5","6","4","2","1") = "6"
    & skf21("1","7","2","5","6","4","3","1") = "6"
    & skf21("1","7","2","5","6","4","4","1") = "6"
    & skf21("1","7","2","5","6","4","5","1") = "6"
    & skf21("1","7","2","5","6","4","6","1") = "6"
    & skf21("1","7","2","5","6","4","7","1") = "6"
    & skf21("1","7","2","5","6","5","1","1") = "6"
    & skf21("1","7","2","5","6","5","2","1") = "6"
    & skf21("1","7","2","5","6","5","3","1") = "6"
    & skf21("1","7","2","5","6","5","4","1") = "6"
    & skf21("1","7","2","5","6","5","5","1") = "6"
    & skf21("1","7","2","5","6","5","6","1") = "6"
    & skf21("1","7","2","5","6","5","7","1") = "6"
    & skf21("1","7","2","5","6","6","1","1") = "6"
    & skf21("1","7","2","5","6","6","2","1") = "6"
    & skf21("1","7","2","5","6","6","3","1") = "6"
    & skf21("1","7","2","5","6","6","4","1") = "6"
    & skf21("1","7","2","5","6","6","5","1") = "6"
    & skf21("1","7","2","5","6","6","6","1") = "6"
    & skf21("1","7","2","5","6","6","7","1") = "6"
    & skf21("1","7","2","5","6","7","1","1") = "6"
    & skf21("1","7","2","5","6","7","2","1") = "6"
    & skf21("1","7","2","5","6","7","3","1") = "6"
    & skf21("1","7","2","5","6","7","4","1") = "6"
    & skf21("1","7","2","5","6","7","5","1") = "6"
    & skf21("1","7","2","5","6","7","6","1") = "6"
    & skf21("1","7","2","5","6","7","7","1") = "6"
    & skf21("1","7","2","5","7","1","1","1") = "6"
    & skf21("1","7","2","5","7","1","2","1") = "6"
    & skf21("1","7","2","5","7","1","3","1") = "6"
    & skf21("1","7","2","5","7","1","4","1") = "6"
    & skf21("1","7","2","5","7","1","5","1") = "6"
    & skf21("1","7","2","5","7","1","6","1") = "6"
    & skf21("1","7","2","5","7","1","7","1") = "6"
    & skf21("1","7","2","5","7","2","1","1") = "6"
    & skf21("1","7","2","5","7","2","2","1") = "6"
    & skf21("1","7","2","5","7","2","3","1") = "6"
    & skf21("1","7","2","5","7","2","4","1") = "6"
    & skf21("1","7","2","5","7","2","5","1") = "6"
    & skf21("1","7","2","5","7","2","6","1") = "6"
    & skf21("1","7","2","5","7","2","7","1") = "6"
    & skf21("1","7","2","5","7","3","1","1") = "6"
    & skf21("1","7","2","5","7","3","2","1") = "6"
    & skf21("1","7","2","5","7","3","3","1") = "6"
    & skf21("1","7","2","5","7","3","4","1") = "6"
    & skf21("1","7","2","5","7","3","5","1") = "6"
    & skf21("1","7","2","5","7","3","6","1") = "6"
    & skf21("1","7","2","5","7","3","7","1") = "6"
    & skf21("1","7","2","5","7","4","1","1") = "6"
    & skf21("1","7","2","5","7","4","2","1") = "6"
    & skf21("1","7","2","5","7","4","3","1") = "6"
    & skf21("1","7","2","5","7","4","4","1") = "6"
    & skf21("1","7","2","5","7","4","5","1") = "6"
    & skf21("1","7","2","5","7","4","6","1") = "6"
    & skf21("1","7","2","5","7","4","7","1") = "6"
    & skf21("1","7","2","5","7","5","1","1") = "6"
    & skf21("1","7","2","5","7","5","2","1") = "6"
    & skf21("1","7","2","5","7","5","3","1") = "6"
    & skf21("1","7","2","5","7","5","4","1") = "6"
    & skf21("1","7","2","5","7","5","5","1") = "6"
    & skf21("1","7","2","5","7","5","6","1") = "6"
    & skf21("1","7","2","5","7","5","7","1") = "6"
    & skf21("1","7","2","5","7","6","1","1") = "6"
    & skf21("1","7","2","5","7","6","2","1") = "6"
    & skf21("1","7","2","5","7","6","3","1") = "6"
    & skf21("1","7","2","5","7","6","4","1") = "6"
    & skf21("1","7","2","5","7","6","5","1") = "6"
    & skf21("1","7","2","5","7","6","6","1") = "6"
    & skf21("1","7","2","5","7","6","7","1") = "6"
    & skf21("1","7","2","5","7","7","1","1") = "6"
    & skf21("1","7","2","5","7","7","2","1") = "6"
    & skf21("1","7","2","5","7","7","3","1") = "6"
    & skf21("1","7","2","5","7","7","4","1") = "6"
    & skf21("1","7","2","5","7","7","5","1") = "6"
    & skf21("1","7","2","5","7","7","6","1") = "6"
    & skf21("1","7","2","5","7","7","7","1") = "6"
    & skf21("1","7","2","6","1","1","1","1") = "6"
    & skf21("1","7","2","6","1","1","2","1") = "6"
    & skf21("1","7","2","6","1","1","3","1") = "6"
    & skf21("1","7","2","6","1","1","4","1") = "6"
    & skf21("1","7","2","6","1","1","5","1") = "6"
    & skf21("1","7","2","6","1","1","6","1") = "6"
    & skf21("1","7","2","6","1","1","7","1") = "6"
    & skf21("1","7","2","6","1","2","1","1") = "6"
    & skf21("1","7","2","6","1","2","2","1") = "6"
    & skf21("1","7","2","6","1","2","3","1") = "6"
    & skf21("1","7","2","6","1","2","4","1") = "6"
    & skf21("1","7","2","6","1","2","5","1") = "6"
    & skf21("1","7","2","6","1","2","6","1") = "6"
    & skf21("1","7","2","6","1","2","7","1") = "6"
    & skf21("1","7","2","6","1","3","1","1") = "6"
    & skf21("1","7","2","6","1","3","2","1") = "6"
    & skf21("1","7","2","6","1","3","3","1") = "6"
    & skf21("1","7","2","6","1","3","4","1") = "6"
    & skf21("1","7","2","6","1","3","5","1") = "6"
    & skf21("1","7","2","6","1","3","6","1") = "6"
    & skf21("1","7","2","6","1","3","7","1") = "6"
    & skf21("1","7","2","6","1","4","1","1") = "6"
    & skf21("1","7","2","6","1","4","2","1") = "6"
    & skf21("1","7","2","6","1","4","3","1") = "6"
    & skf21("1","7","2","6","1","4","4","1") = "6"
    & skf21("1","7","2","6","1","4","5","1") = "6"
    & skf21("1","7","2","6","1","4","6","1") = "6"
    & skf21("1","7","2","6","1","4","7","1") = "6"
    & skf21("1","7","2","6","1","5","1","1") = "6"
    & skf21("1","7","2","6","1","5","2","1") = "6"
    & skf21("1","7","2","6","1","5","3","1") = "6"
    & skf21("1","7","2","6","1","5","4","1") = "6"
    & skf21("1","7","2","6","1","5","5","1") = "6"
    & skf21("1","7","2","6","1","5","6","1") = "6"
    & skf21("1","7","2","6","1","5","7","1") = "6"
    & skf21("1","7","2","6","1","6","1","1") = "6"
    & skf21("1","7","2","6","1","6","2","1") = "6"
    & skf21("1","7","2","6","1","6","3","1") = "6"
    & skf21("1","7","2","6","1","6","4","1") = "6"
    & skf21("1","7","2","6","1","6","5","1") = "6"
    & skf21("1","7","2","6","1","6","6","1") = "6"
    & skf21("1","7","2","6","1","6","7","1") = "6"
    & skf21("1","7","2","6","1","7","1","1") = "6"
    & skf21("1","7","2","6","1","7","2","1") = "6"
    & skf21("1","7","2","6","1","7","3","1") = "6"
    & skf21("1","7","2","6","1","7","4","1") = "6"
    & skf21("1","7","2","6","1","7","5","1") = "6"
    & skf21("1","7","2","6","1","7","6","1") = "6"
    & skf21("1","7","2","6","1","7","7","1") = "6"
    & skf21("1","7","2","6","2","1","1","1") = "6"
    & skf21("1","7","2","6","2","1","2","1") = "6"
    & skf21("1","7","2","6","2","1","3","1") = "6"
    & skf21("1","7","2","6","2","1","4","1") = "6"
    & skf21("1","7","2","6","2","1","5","1") = "6"
    & skf21("1","7","2","6","2","1","6","1") = "6"
    & skf21("1","7","2","6","2","1","7","1") = "6"
    & skf21("1","7","2","6","2","2","1","1") = "6"
    & skf21("1","7","2","6","2","2","2","1") = "6"
    & skf21("1","7","2","6","2","2","3","1") = "6"
    & skf21("1","7","2","6","2","2","4","1") = "6"
    & skf21("1","7","2","6","2","2","5","1") = "6"
    & skf21("1","7","2","6","2","2","6","1") = "6"
    & skf21("1","7","2","6","2","2","7","1") = "6"
    & skf21("1","7","2","6","2","3","1","1") = "6"
    & skf21("1","7","2","6","2","3","2","1") = "6"
    & skf21("1","7","2","6","2","3","3","1") = "6"
    & skf21("1","7","2","6","2","3","4","1") = "6"
    & skf21("1","7","2","6","2","3","5","1") = "6"
    & skf21("1","7","2","6","2","3","6","1") = "6"
    & skf21("1","7","2","6","2","3","7","1") = "6"
    & skf21("1","7","2","6","2","4","1","1") = "6"
    & skf21("1","7","2","6","2","4","2","1") = "6"
    & skf21("1","7","2","6","2","4","3","1") = "6"
    & skf21("1","7","2","6","2","4","4","1") = "6"
    & skf21("1","7","2","6","2","4","5","1") = "6"
    & skf21("1","7","2","6","2","4","6","1") = "6"
    & skf21("1","7","2","6","2","4","7","1") = "6"
    & skf21("1","7","2","6","2","5","1","1") = "6"
    & skf21("1","7","2","6","2","5","2","1") = "6"
    & skf21("1","7","2","6","2","5","3","1") = "6"
    & skf21("1","7","2","6","2","5","4","1") = "6"
    & skf21("1","7","2","6","2","5","5","1") = "6"
    & skf21("1","7","2","6","2","5","6","1") = "6"
    & skf21("1","7","2","6","2","5","7","1") = "6"
    & skf21("1","7","2","6","2","6","1","1") = "6"
    & skf21("1","7","2","6","2","6","2","1") = "6"
    & skf21("1","7","2","6","2","6","3","1") = "6"
    & skf21("1","7","2","6","2","6","4","1") = "6"
    & skf21("1","7","2","6","2","6","5","1") = "6"
    & skf21("1","7","2","6","2","6","6","1") = "6"
    & skf21("1","7","2","6","2","6","7","1") = "6"
    & skf21("1","7","2","6","2","7","1","1") = "6"
    & skf21("1","7","2","6","2","7","2","1") = "6"
    & skf21("1","7","2","6","2","7","3","1") = "6"
    & skf21("1","7","2","6","2","7","4","1") = "6"
    & skf21("1","7","2","6","2","7","5","1") = "6"
    & skf21("1","7","2","6","2","7","6","1") = "6"
    & skf21("1","7","2","6","2","7","7","1") = "6"
    & skf21("1","7","2","6","3","1","1","1") = "6"
    & skf21("1","7","2","6","3","1","2","1") = "6"
    & skf21("1","7","2","6","3","1","3","1") = "6"
    & skf21("1","7","2","6","3","1","4","1") = "6"
    & skf21("1","7","2","6","3","1","5","1") = "6"
    & skf21("1","7","2","6","3","1","6","1") = "6"
    & skf21("1","7","2","6","3","1","7","1") = "6"
    & skf21("1","7","2","6","3","2","1","1") = "6"
    & skf21("1","7","2","6","3","2","2","1") = "6"
    & skf21("1","7","2","6","3","2","3","1") = "6"
    & skf21("1","7","2","6","3","2","4","1") = "6"
    & skf21("1","7","2","6","3","2","5","1") = "6"
    & skf21("1","7","2","6","3","2","6","1") = "6"
    & skf21("1","7","2","6","3","2","7","1") = "6"
    & skf21("1","7","2","6","3","3","1","1") = "6"
    & skf21("1","7","2","6","3","3","2","1") = "6"
    & skf21("1","7","2","6","3","3","3","1") = "6"
    & skf21("1","7","2","6","3","3","4","1") = "6"
    & skf21("1","7","2","6","3","3","5","1") = "6"
    & skf21("1","7","2","6","3","3","6","1") = "6"
    & skf21("1","7","2","6","3","3","7","1") = "6"
    & skf21("1","7","2","6","3","4","1","1") = "6"
    & skf21("1","7","2","6","3","4","2","1") = "6"
    & skf21("1","7","2","6","3","4","3","1") = "6"
    & skf21("1","7","2","6","3","4","4","1") = "6"
    & skf21("1","7","2","6","3","4","5","1") = "6"
    & skf21("1","7","2","6","3","4","6","1") = "6"
    & skf21("1","7","2","6","3","4","7","1") = "6"
    & skf21("1","7","2","6","3","5","1","1") = "6"
    & skf21("1","7","2","6","3","5","2","1") = "6"
    & skf21("1","7","2","6","3","5","3","1") = "6"
    & skf21("1","7","2","6","3","5","4","1") = "6"
    & skf21("1","7","2","6","3","5","5","1") = "6"
    & skf21("1","7","2","6","3","5","6","1") = "6"
    & skf21("1","7","2","6","3","5","7","1") = "6"
    & skf21("1","7","2","6","3","6","1","1") = "6"
    & skf21("1","7","2","6","3","6","2","1") = "6"
    & skf21("1","7","2","6","3","6","3","1") = "6"
    & skf21("1","7","2","6","3","6","4","1") = "6"
    & skf21("1","7","2","6","3","6","5","1") = "6"
    & skf21("1","7","2","6","3","6","6","1") = "6"
    & skf21("1","7","2","6","3","6","7","1") = "6"
    & skf21("1","7","2","6","3","7","1","1") = "6"
    & skf21("1","7","2","6","3","7","2","1") = "6"
    & skf21("1","7","2","6","3","7","3","1") = "6"
    & skf21("1","7","2","6","3","7","4","1") = "6"
    & skf21("1","7","2","6","3","7","5","1") = "6"
    & skf21("1","7","2","6","3","7","6","1") = "6"
    & skf21("1","7","2","6","3","7","7","1") = "6"
    & skf21("1","7","2","6","4","1","1","1") = "6"
    & skf21("1","7","2","6","4","1","2","1") = "6"
    & skf21("1","7","2","6","4","1","3","1") = "6"
    & skf21("1","7","2","6","4","1","4","1") = "6"
    & skf21("1","7","2","6","4","1","5","1") = "6"
    & skf21("1","7","2","6","4","1","6","1") = "6"
    & skf21("1","7","2","6","4","1","7","1") = "6"
    & skf21("1","7","2","6","4","2","1","1") = "6"
    & skf21("1","7","2","6","4","2","2","1") = "6"
    & skf21("1","7","2","6","4","2","3","1") = "6"
    & skf21("1","7","2","6","4","2","4","1") = "6"
    & skf21("1","7","2","6","4","2","5","1") = "6"
    & skf21("1","7","2","6","4","2","6","1") = "6"
    & skf21("1","7","2","6","4","2","7","1") = "6"
    & skf21("1","7","2","6","4","3","1","1") = "6"
    & skf21("1","7","2","6","4","3","2","1") = "6"
    & skf21("1","7","2","6","4","3","3","1") = "6"
    & skf21("1","7","2","6","4","3","4","1") = "6"
    & skf21("1","7","2","6","4","3","5","1") = "6"
    & skf21("1","7","2","6","4","3","6","1") = "6"
    & skf21("1","7","2","6","4","3","7","1") = "6"
    & skf21("1","7","2","6","4","4","1","1") = "6"
    & skf21("1","7","2","6","4","4","2","1") = "6"
    & skf21("1","7","2","6","4","4","3","1") = "6"
    & skf21("1","7","2","6","4","4","4","1") = "6"
    & skf21("1","7","2","6","4","4","5","1") = "6"
    & skf21("1","7","2","6","4","4","6","1") = "6"
    & skf21("1","7","2","6","4","4","7","1") = "6"
    & skf21("1","7","2","6","4","5","1","1") = "6"
    & skf21("1","7","2","6","4","5","2","1") = "6"
    & skf21("1","7","2","6","4","5","3","1") = "6"
    & skf21("1","7","2","6","4","5","4","1") = "6"
    & skf21("1","7","2","6","4","5","5","1") = "6"
    & skf21("1","7","2","6","4","5","6","1") = "6"
    & skf21("1","7","2","6","4","5","7","1") = "6"
    & skf21("1","7","2","6","4","6","1","1") = "6"
    & skf21("1","7","2","6","4","6","2","1") = "6"
    & skf21("1","7","2","6","4","6","3","1") = "6"
    & skf21("1","7","2","6","4","6","4","1") = "6"
    & skf21("1","7","2","6","4","6","5","1") = "6"
    & skf21("1","7","2","6","4","6","6","1") = "6"
    & skf21("1","7","2","6","4","6","7","1") = "6"
    & skf21("1","7","2","6","4","7","1","1") = "6"
    & skf21("1","7","2","6","4","7","2","1") = "6"
    & skf21("1","7","2","6","4","7","3","1") = "6"
    & skf21("1","7","2","6","4","7","4","1") = "6"
    & skf21("1","7","2","6","4","7","5","1") = "6"
    & skf21("1","7","2","6","4","7","6","1") = "6"
    & skf21("1","7","2","6","4","7","7","1") = "6"
    & skf21("1","7","2","6","5","1","1","1") = "6"
    & skf21("1","7","2","6","5","1","2","1") = "6"
    & skf21("1","7","2","6","5","1","3","1") = "6"
    & skf21("1","7","2","6","5","1","4","1") = "6"
    & skf21("1","7","2","6","5","1","5","1") = "6"
    & skf21("1","7","2","6","5","1","6","1") = "6"
    & skf21("1","7","2","6","5","1","7","1") = "6"
    & skf21("1","7","2","6","5","2","1","1") = "6"
    & skf21("1","7","2","6","5","2","2","1") = "6"
    & skf21("1","7","2","6","5","2","3","1") = "6"
    & skf21("1","7","2","6","5","2","4","1") = "6"
    & skf21("1","7","2","6","5","2","5","1") = "6"
    & skf21("1","7","2","6","5","2","6","1") = "6"
    & skf21("1","7","2","6","5","2","7","1") = "6"
    & skf21("1","7","2","6","5","3","1","1") = "6"
    & skf21("1","7","2","6","5","3","2","1") = "6"
    & skf21("1","7","2","6","5","3","3","1") = "6"
    & skf21("1","7","2","6","5","3","4","1") = "6"
    & skf21("1","7","2","6","5","3","5","1") = "6"
    & skf21("1","7","2","6","5","3","6","1") = "6"
    & skf21("1","7","2","6","5","3","7","1") = "6"
    & skf21("1","7","2","6","5","4","1","1") = "6"
    & skf21("1","7","2","6","5","4","2","1") = "6"
    & skf21("1","7","2","6","5","4","3","1") = "6"
    & skf21("1","7","2","6","5","4","4","1") = "6"
    & skf21("1","7","2","6","5","4","5","1") = "6"
    & skf21("1","7","2","6","5","4","6","1") = "6"
    & skf21("1","7","2","6","5","4","7","1") = "6"
    & skf21("1","7","2","6","5","5","1","1") = "6"
    & skf21("1","7","2","6","5","5","2","1") = "6"
    & skf21("1","7","2","6","5","5","3","1") = "6"
    & skf21("1","7","2","6","5","5","4","1") = "6"
    & skf21("1","7","2","6","5","5","5","1") = "6"
    & skf21("1","7","2","6","5","5","6","1") = "6"
    & skf21("1","7","2","6","5","5","7","1") = "6"
    & skf21("1","7","2","6","5","6","1","1") = "6"
    & skf21("1","7","2","6","5","6","2","1") = "6"
    & skf21("1","7","2","6","5","6","3","1") = "6"
    & skf21("1","7","2","6","5","6","4","1") = "6"
    & skf21("1","7","2","6","5","6","5","1") = "6"
    & skf21("1","7","2","6","5","6","6","1") = "6"
    & skf21("1","7","2","6","5","6","7","1") = "6"
    & skf21("1","7","2","6","5","7","1","1") = "6"
    & skf21("1","7","2","6","5","7","2","1") = "6"
    & skf21("1","7","2","6","5","7","3","1") = "6"
    & skf21("1","7","2","6","5","7","4","1") = "6"
    & skf21("1","7","2","6","5","7","5","1") = "6"
    & skf21("1","7","2","6","5","7","6","1") = "6"
    & skf21("1","7","2","6","5","7","7","1") = "6"
    & skf21("1","7","2","6","6","1","1","1") = "6"
    & skf21("1","7","2","6","6","1","2","1") = "6"
    & skf21("1","7","2","6","6","1","3","1") = "6"
    & skf21("1","7","2","6","6","1","4","1") = "6"
    & skf21("1","7","2","6","6","1","5","1") = "6"
    & skf21("1","7","2","6","6","1","6","1") = "6"
    & skf21("1","7","2","6","6","1","7","1") = "6"
    & skf21("1","7","2","6","6","2","1","1") = "6"
    & skf21("1","7","2","6","6","2","2","1") = "6"
    & skf21("1","7","2","6","6","2","3","1") = "6"
    & skf21("1","7","2","6","6","2","4","1") = "6"
    & skf21("1","7","2","6","6","2","5","1") = "6"
    & skf21("1","7","2","6","6","2","6","1") = "6"
    & skf21("1","7","2","6","6","2","7","1") = "6"
    & skf21("1","7","2","6","6","3","1","1") = "6"
    & skf21("1","7","2","6","6","3","2","1") = "6"
    & skf21("1","7","2","6","6","3","3","1") = "6"
    & skf21("1","7","2","6","6","3","4","1") = "6"
    & skf21("1","7","2","6","6","3","5","1") = "6"
    & skf21("1","7","2","6","6","3","6","1") = "6"
    & skf21("1","7","2","6","6","3","7","1") = "6"
    & skf21("1","7","2","6","6","4","1","1") = "6"
    & skf21("1","7","2","6","6","4","2","1") = "6"
    & skf21("1","7","2","6","6","4","3","1") = "6"
    & skf21("1","7","2","6","6","4","4","1") = "6"
    & skf21("1","7","2","6","6","4","5","1") = "6"
    & skf21("1","7","2","6","6","4","6","1") = "6"
    & skf21("1","7","2","6","6","4","7","1") = "6"
    & skf21("1","7","2","6","6","5","1","1") = "6"
    & skf21("1","7","2","6","6","5","2","1") = "6"
    & skf21("1","7","2","6","6","5","3","1") = "6"
    & skf21("1","7","2","6","6","5","4","1") = "6"
    & skf21("1","7","2","6","6","5","5","1") = "6"
    & skf21("1","7","2","6","6","5","6","1") = "6"
    & skf21("1","7","2","6","6","5","7","1") = "6"
    & skf21("1","7","2","6","6","6","1","1") = "6"
    & skf21("1","7","2","6","6","6","2","1") = "6"
    & skf21("1","7","2","6","6","6","3","1") = "6"
    & skf21("1","7","2","6","6","6","4","1") = "6"
    & skf21("1","7","2","6","6","6","5","1") = "6"
    & skf21("1","7","2","6","6","6","6","1") = "6"
    & skf21("1","7","2","6","6","6","7","1") = "6"
    & skf21("1","7","2","6","6","7","1","1") = "6"
    & skf21("1","7","2","6","6","7","2","1") = "6"
    & skf21("1","7","2","6","6","7","3","1") = "6"
    & skf21("1","7","2","6","6","7","4","1") = "6"
    & skf21("1","7","2","6","6","7","5","1") = "6"
    & skf21("1","7","2","6","6","7","6","1") = "6"
    & skf21("1","7","2","6","6","7","7","1") = "6"
    & skf21("1","7","2","6","7","1","1","1") = "6"
    & skf21("1","7","2","6","7","1","2","1") = "6"
    & skf21("1","7","2","6","7","1","3","1") = "6"
    & skf21("1","7","2","6","7","1","4","1") = "6"
    & skf21("1","7","2","6","7","1","5","1") = "6"
    & skf21("1","7","2","6","7","1","6","1") = "6"
    & skf21("1","7","2","6","7","1","7","1") = "6"
    & skf21("1","7","2","6","7","2","1","1") = "6"
    & skf21("1","7","2","6","7","2","2","1") = "6"
    & skf21("1","7","2","6","7","2","3","1") = "6"
    & skf21("1","7","2","6","7","2","4","1") = "6"
    & skf21("1","7","2","6","7","2","5","1") = "6"
    & skf21("1","7","2","6","7","2","6","1") = "6"
    & skf21("1","7","2","6","7","2","7","1") = "6"
    & skf21("1","7","2","6","7","3","1","1") = "6"
    & skf21("1","7","2","6","7","3","2","1") = "6"
    & skf21("1","7","2","6","7","3","3","1") = "6"
    & skf21("1","7","2","6","7","3","4","1") = "6"
    & skf21("1","7","2","6","7","3","5","1") = "6"
    & skf21("1","7","2","6","7","3","6","1") = "6"
    & skf21("1","7","2","6","7","3","7","1") = "6"
    & skf21("1","7","2","6","7","4","1","1") = "6"
    & skf21("1","7","2","6","7","4","2","1") = "6"
    & skf21("1","7","2","6","7","4","3","1") = "6"
    & skf21("1","7","2","6","7","4","4","1") = "6"
    & skf21("1","7","2","6","7","4","5","1") = "6"
    & skf21("1","7","2","6","7","4","6","1") = "6"
    & skf21("1","7","2","6","7","4","7","1") = "6"
    & skf21("1","7","2","6","7","5","1","1") = "6"
    & skf21("1","7","2","6","7","5","2","1") = "6"
    & skf21("1","7","2","6","7","5","3","1") = "6"
    & skf21("1","7","2","6","7","5","4","1") = "6"
    & skf21("1","7","2","6","7","5","5","1") = "6"
    & skf21("1","7","2","6","7","5","6","1") = "6"
    & skf21("1","7","2","6","7","5","7","1") = "6"
    & skf21("1","7","2","6","7","6","1","1") = "6"
    & skf21("1","7","2","6","7","6","2","1") = "6"
    & skf21("1","7","2","6","7","6","3","1") = "6"
    & skf21("1","7","2","6","7","6","4","1") = "6"
    & skf21("1","7","2","6","7","6","5","1") = "6"
    & skf21("1","7","2","6","7","6","6","1") = "6"
    & skf21("1","7","2","6","7","6","7","1") = "6"
    & skf21("1","7","2","6","7","7","1","1") = "6"
    & skf21("1","7","2","6","7","7","2","1") = "6"
    & skf21("1","7","2","6","7","7","3","1") = "6"
    & skf21("1","7","2","6","7","7","4","1") = "6"
    & skf21("1","7","2","6","7","7","5","1") = "6"
    & skf21("1","7","2","6","7","7","6","1") = "6"
    & skf21("1","7","2","6","7","7","7","1") = "6"
    & skf21("1","7","2","7","1","1","1","1") = "6"
    & skf21("1","7","2","7","1","1","2","1") = "6"
    & skf21("1","7","2","7","1","1","3","1") = "6"
    & skf21("1","7","2","7","1","1","4","1") = "6"
    & skf21("1","7","2","7","1","1","5","1") = "6"
    & skf21("1","7","2","7","1","1","6","1") = "6"
    & skf21("1","7","2","7","1","1","7","1") = "6"
    & skf21("1","7","2","7","1","2","1","1") = "6"
    & skf21("1","7","2","7","1","2","2","1") = "6"
    & skf21("1","7","2","7","1","2","3","1") = "6"
    & skf21("1","7","2","7","1","2","4","1") = "6"
    & skf21("1","7","2","7","1","2","5","1") = "6"
    & skf21("1","7","2","7","1","2","6","1") = "6"
    & skf21("1","7","2","7","1","2","7","1") = "6"
    & skf21("1","7","2","7","1","3","1","1") = "6"
    & skf21("1","7","2","7","1","3","2","1") = "6"
    & skf21("1","7","2","7","1","3","3","1") = "6"
    & skf21("1","7","2","7","1","3","4","1") = "6"
    & skf21("1","7","2","7","1","3","5","1") = "6"
    & skf21("1","7","2","7","1","3","6","1") = "6"
    & skf21("1","7","2","7","1","3","7","1") = "6"
    & skf21("1","7","2","7","1","4","1","1") = "6"
    & skf21("1","7","2","7","1","4","2","1") = "6"
    & skf21("1","7","2","7","1","4","3","1") = "6"
    & skf21("1","7","2","7","1","4","4","1") = "6"
    & skf21("1","7","2","7","1","4","5","1") = "6"
    & skf21("1","7","2","7","1","4","6","1") = "6"
    & skf21("1","7","2","7","1","4","7","1") = "6"
    & skf21("1","7","2","7","1","5","1","1") = "6"
    & skf21("1","7","2","7","1","5","2","1") = "6"
    & skf21("1","7","2","7","1","5","3","1") = "6"
    & skf21("1","7","2","7","1","5","4","1") = "6"
    & skf21("1","7","2","7","1","5","5","1") = "6"
    & skf21("1","7","2","7","1","5","6","1") = "6"
    & skf21("1","7","2","7","1","5","7","1") = "6"
    & skf21("1","7","2","7","1","6","1","1") = "6"
    & skf21("1","7","2","7","1","6","2","1") = "6"
    & skf21("1","7","2","7","1","6","3","1") = "6"
    & skf21("1","7","2","7","1","6","4","1") = "6"
    & skf21("1","7","2","7","1","6","5","1") = "6"
    & skf21("1","7","2","7","1","6","6","1") = "6"
    & skf21("1","7","2","7","1","6","7","1") = "6"
    & skf21("1","7","2","7","1","7","1","1") = "6"
    & skf21("1","7","2","7","1","7","2","1") = "6"
    & skf21("1","7","2","7","1","7","3","1") = "6"
    & skf21("1","7","2","7","1","7","4","1") = "6"
    & skf21("1","7","2","7","1","7","5","1") = "6"
    & skf21("1","7","2","7","1","7","6","1") = "6"
    & skf21("1","7","2","7","1","7","7","1") = "6"
    & skf21("1","7","2","7","2","1","1","1") = "6"
    & skf21("1","7","2","7","2","1","2","1") = "6"
    & skf21("1","7","2","7","2","1","3","1") = "6"
    & skf21("1","7","2","7","2","1","4","1") = "6"
    & skf21("1","7","2","7","2","1","5","1") = "6"
    & skf21("1","7","2","7","2","1","6","1") = "6"
    & skf21("1","7","2","7","2","1","7","1") = "6"
    & skf21("1","7","2","7","2","2","1","1") = "6"
    & skf21("1","7","2","7","2","2","2","1") = "6"
    & skf21("1","7","2","7","2","2","3","1") = "6"
    & skf21("1","7","2","7","2","2","4","1") = "6"
    & skf21("1","7","2","7","2","2","5","1") = "6"
    & skf21("1","7","2","7","2","2","6","1") = "6"
    & skf21("1","7","2","7","2","2","7","1") = "6"
    & skf21("1","7","2","7","2","3","1","1") = "6"
    & skf21("1","7","2","7","2","3","2","1") = "6"
    & skf21("1","7","2","7","2","3","3","1") = "6"
    & skf21("1","7","2","7","2","3","4","1") = "6"
    & skf21("1","7","2","7","2","3","5","1") = "6"
    & skf21("1","7","2","7","2","3","6","1") = "6"
    & skf21("1","7","2","7","2","3","7","1") = "6"
    & skf21("1","7","2","7","2","4","1","1") = "6"
    & skf21("1","7","2","7","2","4","2","1") = "6"
    & skf21("1","7","2","7","2","4","3","1") = "6"
    & skf21("1","7","2","7","2","4","4","1") = "6"
    & skf21("1","7","2","7","2","4","5","1") = "6"
    & skf21("1","7","2","7","2","4","6","1") = "6"
    & skf21("1","7","2","7","2","4","7","1") = "6"
    & skf21("1","7","2","7","2","5","1","1") = "6"
    & skf21("1","7","2","7","2","5","2","1") = "6"
    & skf21("1","7","2","7","2","5","3","1") = "6"
    & skf21("1","7","2","7","2","5","4","1") = "6"
    & skf21("1","7","2","7","2","5","5","1") = "6"
    & skf21("1","7","2","7","2","5","6","1") = "6"
    & skf21("1","7","2","7","2","5","7","1") = "6"
    & skf21("1","7","2","7","2","6","1","1") = "6"
    & skf21("1","7","2","7","2","6","2","1") = "6"
    & skf21("1","7","2","7","2","6","3","1") = "6"
    & skf21("1","7","2","7","2","6","4","1") = "6"
    & skf21("1","7","2","7","2","6","5","1") = "6"
    & skf21("1","7","2","7","2","6","6","1") = "6"
    & skf21("1","7","2","7","2","6","7","1") = "6"
    & skf21("1","7","2","7","2","7","1","1") = "6"
    & skf21("1","7","2","7","2","7","2","1") = "6"
    & skf21("1","7","2","7","2","7","3","1") = "6"
    & skf21("1","7","2","7","2","7","4","1") = "6"
    & skf21("1","7","2","7","2","7","5","1") = "6"
    & skf21("1","7","2","7","2","7","6","1") = "6"
    & skf21("1","7","2","7","2","7","7","1") = "6"
    & skf21("1","7","2","7","3","1","1","1") = "6"
    & skf21("1","7","2","7","3","1","2","1") = "6"
    & skf21("1","7","2","7","3","1","3","1") = "6"
    & skf21("1","7","2","7","3","1","4","1") = "6"
    & skf21("1","7","2","7","3","1","5","1") = "6"
    & skf21("1","7","2","7","3","1","6","1") = "6"
    & skf21("1","7","2","7","3","1","7","1") = "6"
    & skf21("1","7","2","7","3","2","1","1") = "6"
    & skf21("1","7","2","7","3","2","2","1") = "6"
    & skf21("1","7","2","7","3","2","3","1") = "6"
    & skf21("1","7","2","7","3","2","4","1") = "6"
    & skf21("1","7","2","7","3","2","5","1") = "6"
    & skf21("1","7","2","7","3","2","6","1") = "6"
    & skf21("1","7","2","7","3","2","7","1") = "6"
    & skf21("1","7","2","7","3","3","1","1") = "6"
    & skf21("1","7","2","7","3","3","2","1") = "6"
    & skf21("1","7","2","7","3","3","3","1") = "6"
    & skf21("1","7","2","7","3","3","4","1") = "6"
    & skf21("1","7","2","7","3","3","5","1") = "6"
    & skf21("1","7","2","7","3","3","6","1") = "6"
    & skf21("1","7","2","7","3","3","7","1") = "6"
    & skf21("1","7","2","7","3","4","1","1") = "6"
    & skf21("1","7","2","7","3","4","2","1") = "6"
    & skf21("1","7","2","7","3","4","3","1") = "6"
    & skf21("1","7","2","7","3","4","4","1") = "6"
    & skf21("1","7","2","7","3","4","5","1") = "6"
    & skf21("1","7","2","7","3","4","6","1") = "6"
    & skf21("1","7","2","7","3","4","7","1") = "6"
    & skf21("1","7","2","7","3","5","1","1") = "6"
    & skf21("1","7","2","7","3","5","2","1") = "6"
    & skf21("1","7","2","7","3","5","3","1") = "6"
    & skf21("1","7","2","7","3","5","4","1") = "6"
    & skf21("1","7","2","7","3","5","5","1") = "6"
    & skf21("1","7","2","7","3","5","6","1") = "6"
    & skf21("1","7","2","7","3","5","7","1") = "6"
    & skf21("1","7","2","7","3","6","1","1") = "6"
    & skf21("1","7","2","7","3","6","2","1") = "6"
    & skf21("1","7","2","7","3","6","3","1") = "6"
    & skf21("1","7","2","7","3","6","4","1") = "6"
    & skf21("1","7","2","7","3","6","5","1") = "6"
    & skf21("1","7","2","7","3","6","6","1") = "6"
    & skf21("1","7","2","7","3","6","7","1") = "6"
    & skf21("1","7","2","7","3","7","1","1") = "6"
    & skf21("1","7","2","7","3","7","2","1") = "6"
    & skf21("1","7","2","7","3","7","3","1") = "6"
    & skf21("1","7","2","7","3","7","4","1") = "6"
    & skf21("1","7","2","7","3","7","5","1") = "6"
    & skf21("1","7","2","7","3","7","6","1") = "6"
    & skf21("1","7","2","7","3","7","7","1") = "6"
    & skf21("1","7","2","7","4","1","1","1") = "6"
    & skf21("1","7","2","7","4","1","2","1") = "6"
    & skf21("1","7","2","7","4","1","3","1") = "6"
    & skf21("1","7","2","7","4","1","4","1") = "6"
    & skf21("1","7","2","7","4","1","5","1") = "6"
    & skf21("1","7","2","7","4","1","6","1") = "6"
    & skf21("1","7","2","7","4","1","7","1") = "6"
    & skf21("1","7","2","7","4","2","1","1") = "6"
    & skf21("1","7","2","7","4","2","2","1") = "6"
    & skf21("1","7","2","7","4","2","3","1") = "6"
    & skf21("1","7","2","7","4","2","4","1") = "6"
    & skf21("1","7","2","7","4","2","5","1") = "6"
    & skf21("1","7","2","7","4","2","6","1") = "6"
    & skf21("1","7","2","7","4","2","7","1") = "6"
    & skf21("1","7","2","7","4","3","1","1") = "6"
    & skf21("1","7","2","7","4","3","2","1") = "6"
    & skf21("1","7","2","7","4","3","3","1") = "6"
    & skf21("1","7","2","7","4","3","4","1") = "6"
    & skf21("1","7","2","7","4","3","5","1") = "6"
    & skf21("1","7","2","7","4","3","6","1") = "6"
    & skf21("1","7","2","7","4","3","7","1") = "6"
    & skf21("1","7","2","7","4","4","1","1") = "6"
    & skf21("1","7","2","7","4","4","2","1") = "6"
    & skf21("1","7","2","7","4","4","3","1") = "6"
    & skf21("1","7","2","7","4","4","4","1") = "6"
    & skf21("1","7","2","7","4","4","5","1") = "6"
    & skf21("1","7","2","7","4","4","6","1") = "6"
    & skf21("1","7","2","7","4","4","7","1") = "6"
    & skf21("1","7","2","7","4","5","1","1") = "6"
    & skf21("1","7","2","7","4","5","2","1") = "6"
    & skf21("1","7","2","7","4","5","3","1") = "6"
    & skf21("1","7","2","7","4","5","4","1") = "6"
    & skf21("1","7","2","7","4","5","5","1") = "6"
    & skf21("1","7","2","7","4","5","6","1") = "6"
    & skf21("1","7","2","7","4","5","7","1") = "6"
    & skf21("1","7","2","7","4","6","1","1") = "6"
    & skf21("1","7","2","7","4","6","2","1") = "6"
    & skf21("1","7","2","7","4","6","3","1") = "6"
    & skf21("1","7","2","7","4","6","4","1") = "6"
    & skf21("1","7","2","7","4","6","5","1") = "6"
    & skf21("1","7","2","7","4","6","6","1") = "6"
    & skf21("1","7","2","7","4","6","7","1") = "6"
    & skf21("1","7","2","7","4","7","1","1") = "6"
    & skf21("1","7","2","7","4","7","2","1") = "6"
    & skf21("1","7","2","7","4","7","3","1") = "6"
    & skf21("1","7","2","7","4","7","4","1") = "6"
    & skf21("1","7","2","7","4","7","5","1") = "6"
    & skf21("1","7","2","7","4","7","6","1") = "6"
    & skf21("1","7","2","7","4","7","7","1") = "6"
    & skf21("1","7","2","7","5","1","1","1") = "6"
    & skf21("1","7","2","7","5","1","2","1") = "6"
    & skf21("1","7","2","7","5","1","3","1") = "6"
    & skf21("1","7","2","7","5","1","4","1") = "6"
    & skf21("1","7","2","7","5","1","5","1") = "6"
    & skf21("1","7","2","7","5","1","6","1") = "6"
    & skf21("1","7","2","7","5","1","7","1") = "6"
    & skf21("1","7","2","7","5","2","1","1") = "6"
    & skf21("1","7","2","7","5","2","2","1") = "6"
    & skf21("1","7","2","7","5","2","3","1") = "6"
    & skf21("1","7","2","7","5","2","4","1") = "6"
    & skf21("1","7","2","7","5","2","5","1") = "6"
    & skf21("1","7","2","7","5","2","6","1") = "6"
    & skf21("1","7","2","7","5","2","7","1") = "6"
    & skf21("1","7","2","7","5","3","1","1") = "6"
    & skf21("1","7","2","7","5","3","2","1") = "6"
    & skf21("1","7","2","7","5","3","3","1") = "6"
    & skf21("1","7","2","7","5","3","4","1") = "6"
    & skf21("1","7","2","7","5","3","5","1") = "6"
    & skf21("1","7","2","7","5","3","6","1") = "6"
    & skf21("1","7","2","7","5","3","7","1") = "6"
    & skf21("1","7","2","7","5","4","1","1") = "6"
    & skf21("1","7","2","7","5","4","2","1") = "6"
    & skf21("1","7","2","7","5","4","3","1") = "6"
    & skf21("1","7","2","7","5","4","4","1") = "6"
    & skf21("1","7","2","7","5","4","5","1") = "6"
    & skf21("1","7","2","7","5","4","6","1") = "6"
    & skf21("1","7","2","7","5","4","7","1") = "6"
    & skf21("1","7","2","7","5","5","1","1") = "6"
    & skf21("1","7","2","7","5","5","2","1") = "6"
    & skf21("1","7","2","7","5","5","3","1") = "6"
    & skf21("1","7","2","7","5","5","4","1") = "6"
    & skf21("1","7","2","7","5","5","5","1") = "6"
    & skf21("1","7","2","7","5","5","6","1") = "6"
    & skf21("1","7","2","7","5","5","7","1") = "6"
    & skf21("1","7","2","7","5","6","1","1") = "6"
    & skf21("1","7","2","7","5","6","2","1") = "6"
    & skf21("1","7","2","7","5","6","3","1") = "6"
    & skf21("1","7","2","7","5","6","4","1") = "6"
    & skf21("1","7","2","7","5","6","5","1") = "6"
    & skf21("1","7","2","7","5","6","6","1") = "6"
    & skf21("1","7","2","7","5","6","7","1") = "6"
    & skf21("1","7","2","7","5","7","1","1") = "6"
    & skf21("1","7","2","7","5","7","2","1") = "6"
    & skf21("1","7","2","7","5","7","3","1") = "6"
    & skf21("1","7","2","7","5","7","4","1") = "6"
    & skf21("1","7","2","7","5","7","5","1") = "6"
    & skf21("1","7","2","7","5","7","6","1") = "6"
    & skf21("1","7","2","7","5","7","7","1") = "6"
    & skf21("1","7","2","7","6","1","1","1") = "6"
    & skf21("1","7","2","7","6","1","2","1") = "6"
    & skf21("1","7","2","7","6","1","3","1") = "6"
    & skf21("1","7","2","7","6","1","4","1") = "6"
    & skf21("1","7","2","7","6","1","5","1") = "6"
    & skf21("1","7","2","7","6","1","6","1") = "6"
    & skf21("1","7","2","7","6","1","7","1") = "6"
    & skf21("1","7","2","7","6","2","1","1") = "6"
    & skf21("1","7","2","7","6","2","2","1") = "6"
    & skf21("1","7","2","7","6","2","3","1") = "6"
    & skf21("1","7","2","7","6","2","4","1") = "6"
    & skf21("1","7","2","7","6","2","5","1") = "6"
    & skf21("1","7","2","7","6","2","6","1") = "6"
    & skf21("1","7","2","7","6","2","7","1") = "6"
    & skf21("1","7","2","7","6","3","1","1") = "6"
    & skf21("1","7","2","7","6","3","2","1") = "6"
    & skf21("1","7","2","7","6","3","3","1") = "6"
    & skf21("1","7","2","7","6","3","4","1") = "6"
    & skf21("1","7","2","7","6","3","5","1") = "6"
    & skf21("1","7","2","7","6","3","6","1") = "6"
    & skf21("1","7","2","7","6","3","7","1") = "6"
    & skf21("1","7","2","7","6","4","1","1") = "6"
    & skf21("1","7","2","7","6","4","2","1") = "6"
    & skf21("1","7","2","7","6","4","3","1") = "6"
    & skf21("1","7","2","7","6","4","4","1") = "6"
    & skf21("1","7","2","7","6","4","5","1") = "6"
    & skf21("1","7","2","7","6","4","6","1") = "6"
    & skf21("1","7","2","7","6","4","7","1") = "6"
    & skf21("1","7","2","7","6","5","1","1") = "6"
    & skf21("1","7","2","7","6","5","2","1") = "6"
    & skf21("1","7","2","7","6","5","3","1") = "6"
    & skf21("1","7","2","7","6","5","4","1") = "6"
    & skf21("1","7","2","7","6","5","5","1") = "6"
    & skf21("1","7","2","7","6","5","6","1") = "6"
    & skf21("1","7","2","7","6","5","7","1") = "6"
    & skf21("1","7","2","7","6","6","1","1") = "6"
    & skf21("1","7","2","7","6","6","2","1") = "6"
    & skf21("1","7","2","7","6","6","3","1") = "6"
    & skf21("1","7","2","7","6","6","4","1") = "6"
    & skf21("1","7","2","7","6","6","5","1") = "6"
    & skf21("1","7","2","7","6","6","6","1") = "6"
    & skf21("1","7","2","7","6","6","7","1") = "6"
    & skf21("1","7","2","7","6","7","1","1") = "6"
    & skf21("1","7","2","7","6","7","2","1") = "6"
    & skf21("1","7","2","7","6","7","3","1") = "6"
    & skf21("1","7","2","7","6","7","4","1") = "6"
    & skf21("1","7","2","7","6","7","5","1") = "6"
    & skf21("1","7","2","7","6","7","6","1") = "6"
    & skf21("1","7","2","7","6","7","7","1") = "6"
    & skf21("1","7","2","7","7","1","1","1") = "6"
    & skf21("1","7","2","7","7","1","2","1") = "6"
    & skf21("1","7","2","7","7","1","3","1") = "6"
    & skf21("1","7","2","7","7","1","4","1") = "6"
    & skf21("1","7","2","7","7","1","5","1") = "6"
    & skf21("1","7","2","7","7","1","6","1") = "6"
    & skf21("1","7","2","7","7","1","7","1") = "6"
    & skf21("1","7","2","7","7","2","1","1") = "6"
    & skf21("1","7","2","7","7","2","2","1") = "6"
    & skf21("1","7","2","7","7","2","3","1") = "6"
    & skf21("1","7","2","7","7","2","4","1") = "6"
    & skf21("1","7","2","7","7","2","5","1") = "6"
    & skf21("1","7","2","7","7","2","6","1") = "6"
    & skf21("1","7","2","7","7","2","7","1") = "6"
    & skf21("1","7","2","7","7","3","1","1") = "6"
    & skf21("1","7","2","7","7","3","2","1") = "6"
    & skf21("1","7","2","7","7","3","3","1") = "6"
    & skf21("1","7","2","7","7","3","4","1") = "6"
    & skf21("1","7","2","7","7","3","5","1") = "6"
    & skf21("1","7","2","7","7","3","6","1") = "6"
    & skf21("1","7","2","7","7","3","7","1") = "6"
    & skf21("1","7","2","7","7","4","1","1") = "6"
    & skf21("1","7","2","7","7","4","2","1") = "6"
    & skf21("1","7","2","7","7","4","3","1") = "6"
    & skf21("1","7","2","7","7","4","4","1") = "6"
    & skf21("1","7","2","7","7","4","5","1") = "6"
    & skf21("1","7","2","7","7","4","6","1") = "6"
    & skf21("1","7","2","7","7","4","7","1") = "6"
    & skf21("1","7","2","7","7","5","1","1") = "6"
    & skf21("1","7","2","7","7","5","2","1") = "6"
    & skf21("1","7","2","7","7","5","3","1") = "6"
    & skf21("1","7","2","7","7","5","4","1") = "6"
    & skf21("1","7","2","7","7","5","5","1") = "6"
    & skf21("1","7","2","7","7","5","6","1") = "6"
    & skf21("1","7","2","7","7","5","7","1") = "6"
    & skf21("1","7","2","7","7","6","1","1") = "6"
    & skf21("1","7","2","7","7","6","2","1") = "6"
    & skf21("1","7","2","7","7","6","3","1") = "6"
    & skf21("1","7","2","7","7","6","4","1") = "6"
    & skf21("1","7","2","7","7","6","5","1") = "6"
    & skf21("1","7","2","7","7","6","6","1") = "6"
    & skf21("1","7","2","7","7","6","7","1") = "6"
    & skf21("1","7","2","7","7","7","1","1") = "6"
    & skf21("1","7","2","7","7","7","2","1") = "6"
    & skf21("1","7","2","7","7","7","3","1") = "6"
    & skf21("1","7","2","7","7","7","4","1") = "6"
    & skf21("1","7","2","7","7","7","5","1") = "6"
    & skf21("1","7","2","7","7","7","6","1") = "6"
    & skf21("1","7","2","7","7","7","7","1") = "6"
    & skf21("1","7","3","1","1","1","1","1") = "6"
    & skf21("1","7","3","1","1","1","2","1") = "6"
    & skf21("1","7","3","1","1","1","3","1") = "6"
    & skf21("1","7","3","1","1","1","4","1") = "6"
    & skf21("1","7","3","1","1","1","5","1") = "6"
    & skf21("1","7","3","1","1","1","6","1") = "6"
    & skf21("1","7","3","1","1","1","7","1") = "6"
    & skf21("1","7","3","1","1","2","1","1") = "6"
    & skf21("1","7","3","1","1","2","2","1") = "6"
    & skf21("1","7","3","1","1","2","3","1") = "6"
    & skf21("1","7","3","1","1","2","4","1") = "6"
    & skf21("1","7","3","1","1","2","5","1") = "6"
    & skf21("1","7","3","1","1","2","6","1") = "6"
    & skf21("1","7","3","1","1","2","7","1") = "6"
    & skf21("1","7","3","1","1","3","1","1") = "6"
    & skf21("1","7","3","1","1","3","2","1") = "6"
    & skf21("1","7","3","1","1","3","3","1") = "6"
    & skf21("1","7","3","1","1","3","4","1") = "6"
    & skf21("1","7","3","1","1","3","5","1") = "6"
    & skf21("1","7","3","1","1","3","6","1") = "6"
    & skf21("1","7","3","1","1","3","7","1") = "6"
    & skf21("1","7","3","1","1","4","1","1") = "6"
    & skf21("1","7","3","1","1","4","2","1") = "6"
    & skf21("1","7","3","1","1","4","3","1") = "6"
    & skf21("1","7","3","1","1","4","4","1") = "6"
    & skf21("1","7","3","1","1","4","5","1") = "6"
    & skf21("1","7","3","1","1","4","6","1") = "6"
    & skf21("1","7","3","1","1","4","7","1") = "6"
    & skf21("1","7","3","1","1","5","1","1") = "6"
    & skf21("1","7","3","1","1","5","2","1") = "6"
    & skf21("1","7","3","1","1","5","3","1") = "6"
    & skf21("1","7","3","1","1","5","4","1") = "6"
    & skf21("1","7","3","1","1","5","5","1") = "6"
    & skf21("1","7","3","1","1","5","6","1") = "6"
    & skf21("1","7","3","1","1","5","7","1") = "6"
    & skf21("1","7","3","1","1","6","1","1") = "6"
    & skf21("1","7","3","1","1","6","2","1") = "6"
    & skf21("1","7","3","1","1","6","3","1") = "6"
    & skf21("1","7","3","1","1","6","4","1") = "6"
    & skf21("1","7","3","1","1","6","5","1") = "6"
    & skf21("1","7","3","1","1","6","6","1") = "6"
    & skf21("1","7","3","1","1","6","7","1") = "6"
    & skf21("1","7","3","1","1","7","1","1") = "6"
    & skf21("1","7","3","1","1","7","2","1") = "6"
    & skf21("1","7","3","1","1","7","3","1") = "6"
    & skf21("1","7","3","1","1","7","4","1") = "6"
    & skf21("1","7","3","1","1","7","5","1") = "6"
    & skf21("1","7","3","1","1","7","6","1") = "6"
    & skf21("1","7","3","1","1","7","7","1") = "6"
    & skf21("1","7","3","1","2","1","1","1") = "6"
    & skf21("1","7","3","1","2","1","2","1") = "6"
    & skf21("1","7","3","1","2","1","3","1") = "6"
    & skf21("1","7","3","1","2","1","4","1") = "6"
    & skf21("1","7","3","1","2","1","5","1") = "6"
    & skf21("1","7","3","1","2","1","6","1") = "6"
    & skf21("1","7","3","1","2","1","7","1") = "6"
    & skf21("1","7","3","1","2","2","1","1") = "6"
    & skf21("1","7","3","1","2","2","2","1") = "6"
    & skf21("1","7","3","1","2","2","3","1") = "6"
    & skf21("1","7","3","1","2","2","4","1") = "6"
    & skf21("1","7","3","1","2","2","5","1") = "6"
    & skf21("1","7","3","1","2","2","6","1") = "6"
    & skf21("1","7","3","1","2","2","7","1") = "6"
    & skf21("1","7","3","1","2","3","1","1") = "6"
    & skf21("1","7","3","1","2","3","2","1") = "6"
    & skf21("1","7","3","1","2","3","3","1") = "6"
    & skf21("1","7","3","1","2","3","4","1") = "6"
    & skf21("1","7","3","1","2","3","5","1") = "6"
    & skf21("1","7","3","1","2","3","6","1") = "6"
    & skf21("1","7","3","1","2","3","7","1") = "6"
    & skf21("1","7","3","1","2","4","1","1") = "6"
    & skf21("1","7","3","1","2","4","2","1") = "6"
    & skf21("1","7","3","1","2","4","3","1") = "6"
    & skf21("1","7","3","1","2","4","4","1") = "6"
    & skf21("1","7","3","1","2","4","5","1") = "6"
    & skf21("1","7","3","1","2","4","6","1") = "6"
    & skf21("1","7","3","1","2","4","7","1") = "6"
    & skf21("1","7","3","1","2","5","1","1") = "6"
    & skf21("1","7","3","1","2","5","2","1") = "6"
    & skf21("1","7","3","1","2","5","3","1") = "6"
    & skf21("1","7","3","1","2","5","4","1") = "6"
    & skf21("1","7","3","1","2","5","5","1") = "6"
    & skf21("1","7","3","1","2","5","6","1") = "6"
    & skf21("1","7","3","1","2","5","7","1") = "6"
    & skf21("1","7","3","1","2","6","1","1") = "6"
    & skf21("1","7","3","1","2","6","2","1") = "6"
    & skf21("1","7","3","1","2","6","3","1") = "6"
    & skf21("1","7","3","1","2","6","4","1") = "6"
    & skf21("1","7","3","1","2","6","5","1") = "6"
    & skf21("1","7","3","1","2","6","6","1") = "6"
    & skf21("1","7","3","1","2","6","7","1") = "6"
    & skf21("1","7","3","1","2","7","1","1") = "6"
    & skf21("1","7","3","1","2","7","2","1") = "6"
    & skf21("1","7","3","1","2","7","3","1") = "6"
    & skf21("1","7","3","1","2","7","4","1") = "6"
    & skf21("1","7","3","1","2","7","5","1") = "6"
    & skf21("1","7","3","1","2","7","6","1") = "6"
    & skf21("1","7","3","1","2","7","7","1") = "6"
    & skf21("1","7","3","1","3","1","1","1") = "6"
    & skf21("1","7","3","1","3","1","2","1") = "6"
    & skf21("1","7","3","1","3","1","3","1") = "6"
    & skf21("1","7","3","1","3","1","4","1") = "6"
    & skf21("1","7","3","1","3","1","5","1") = "6"
    & skf21("1","7","3","1","3","1","6","1") = "6"
    & skf21("1","7","3","1","3","1","7","1") = "6"
    & skf21("1","7","3","1","3","2","1","1") = "6"
    & skf21("1","7","3","1","3","2","2","1") = "6"
    & skf21("1","7","3","1","3","2","3","1") = "6"
    & skf21("1","7","3","1","3","2","4","1") = "6"
    & skf21("1","7","3","1","3","2","5","1") = "6"
    & skf21("1","7","3","1","3","2","6","1") = "6"
    & skf21("1","7","3","1","3","2","7","1") = "6"
    & skf21("1","7","3","1","3","3","1","1") = "6"
    & skf21("1","7","3","1","3","3","2","1") = "6"
    & skf21("1","7","3","1","3","3","3","1") = "6"
    & skf21("1","7","3","1","3","3","4","1") = "6"
    & skf21("1","7","3","1","3","3","5","1") = "6"
    & skf21("1","7","3","1","3","3","6","1") = "6"
    & skf21("1","7","3","1","3","3","7","1") = "6"
    & skf21("1","7","3","1","3","4","1","1") = "6"
    & skf21("1","7","3","1","3","4","2","1") = "6"
    & skf21("1","7","3","1","3","4","3","1") = "6"
    & skf21("1","7","3","1","3","4","4","1") = "6"
    & skf21("1","7","3","1","3","4","5","1") = "6"
    & skf21("1","7","3","1","3","4","6","1") = "6"
    & skf21("1","7","3","1","3","4","7","1") = "6"
    & skf21("1","7","3","1","3","5","1","1") = "6"
    & skf21("1","7","3","1","3","5","2","1") = "6"
    & skf21("1","7","3","1","3","5","3","1") = "6"
    & skf21("1","7","3","1","3","5","4","1") = "6"
    & skf21("1","7","3","1","3","5","5","1") = "6"
    & skf21("1","7","3","1","3","5","6","1") = "6"
    & skf21("1","7","3","1","3","5","7","1") = "6"
    & skf21("1","7","3","1","3","6","1","1") = "6"
    & skf21("1","7","3","1","3","6","2","1") = "6"
    & skf21("1","7","3","1","3","6","3","1") = "6"
    & skf21("1","7","3","1","3","6","4","1") = "6"
    & skf21("1","7","3","1","3","6","5","1") = "6"
    & skf21("1","7","3","1","3","6","6","1") = "6"
    & skf21("1","7","3","1","3","6","7","1") = "6"
    & skf21("1","7","3","1","3","7","1","1") = "6"
    & skf21("1","7","3","1","3","7","2","1") = "6"
    & skf21("1","7","3","1","3","7","3","1") = "6"
    & skf21("1","7","3","1","3","7","4","1") = "6"
    & skf21("1","7","3","1","3","7","5","1") = "6"
    & skf21("1","7","3","1","3","7","6","1") = "6"
    & skf21("1","7","3","1","3","7","7","1") = "6"
    & skf21("1","7","3","1","4","1","1","1") = "6"
    & skf21("1","7","3","1","4","1","2","1") = "6"
    & skf21("1","7","3","1","4","1","3","1") = "6"
    & skf21("1","7","3","1","4","1","4","1") = "6"
    & skf21("1","7","3","1","4","1","5","1") = "6"
    & skf21("1","7","3","1","4","1","6","1") = "6"
    & skf21("1","7","3","1","4","1","7","1") = "6"
    & skf21("1","7","3","1","4","2","1","1") = "6"
    & skf21("1","7","3","1","4","2","2","1") = "6"
    & skf21("1","7","3","1","4","2","3","1") = "6"
    & skf21("1","7","3","1","4","2","4","1") = "6"
    & skf21("1","7","3","1","4","2","5","1") = "6"
    & skf21("1","7","3","1","4","2","6","1") = "6"
    & skf21("1","7","3","1","4","2","7","1") = "6"
    & skf21("1","7","3","1","4","3","1","1") = "6"
    & skf21("1","7","3","1","4","3","2","1") = "6"
    & skf21("1","7","3","1","4","3","3","1") = "6"
    & skf21("1","7","3","1","4","3","4","1") = "6"
    & skf21("1","7","3","1","4","3","5","1") = "6"
    & skf21("1","7","3","1","4","3","6","1") = "6"
    & skf21("1","7","3","1","4","3","7","1") = "6"
    & skf21("1","7","3","1","4","4","1","1") = "6"
    & skf21("1","7","3","1","4","4","2","1") = "6"
    & skf21("1","7","3","1","4","4","3","1") = "6"
    & skf21("1","7","3","1","4","4","4","1") = "6"
    & skf21("1","7","3","1","4","4","5","1") = "6"
    & skf21("1","7","3","1","4","4","6","1") = "6"
    & skf21("1","7","3","1","4","4","7","1") = "6"
    & skf21("1","7","3","1","4","5","1","1") = "6"
    & skf21("1","7","3","1","4","5","2","1") = "6"
    & skf21("1","7","3","1","4","5","3","1") = "6"
    & skf21("1","7","3","1","4","5","4","1") = "6"
    & skf21("1","7","3","1","4","5","5","1") = "6"
    & skf21("1","7","3","1","4","5","6","1") = "6"
    & skf21("1","7","3","1","4","5","7","1") = "6"
    & skf21("1","7","3","1","4","6","1","1") = "6"
    & skf21("1","7","3","1","4","6","2","1") = "6"
    & skf21("1","7","3","1","4","6","3","1") = "6"
    & skf21("1","7","3","1","4","6","4","1") = "6"
    & skf21("1","7","3","1","4","6","5","1") = "6"
    & skf21("1","7","3","1","4","6","6","1") = "6"
    & skf21("1","7","3","1","4","6","7","1") = "6"
    & skf21("1","7","3","1","4","7","1","1") = "6"
    & skf21("1","7","3","1","4","7","2","1") = "6"
    & skf21("1","7","3","1","4","7","3","1") = "6"
    & skf21("1","7","3","1","4","7","4","1") = "6"
    & skf21("1","7","3","1","4","7","5","1") = "6"
    & skf21("1","7","3","1","4","7","6","1") = "6"
    & skf21("1","7","3","1","4","7","7","1") = "6"
    & skf21("1","7","3","1","5","1","1","1") = "6"
    & skf21("1","7","3","1","5","1","2","1") = "6"
    & skf21("1","7","3","1","5","1","3","1") = "6"
    & skf21("1","7","3","1","5","1","4","1") = "6"
    & skf21("1","7","3","1","5","1","5","1") = "6"
    & skf21("1","7","3","1","5","1","6","1") = "6"
    & skf21("1","7","3","1","5","1","7","1") = "6"
    & skf21("1","7","3","1","5","2","1","1") = "6"
    & skf21("1","7","3","1","5","2","2","1") = "6"
    & skf21("1","7","3","1","5","2","3","1") = "6"
    & skf21("1","7","3","1","5","2","4","1") = "6"
    & skf21("1","7","3","1","5","2","5","1") = "6"
    & skf21("1","7","3","1","5","2","6","1") = "6"
    & skf21("1","7","3","1","5","2","7","1") = "6"
    & skf21("1","7","3","1","5","3","1","1") = "6"
    & skf21("1","7","3","1","5","3","2","1") = "6"
    & skf21("1","7","3","1","5","3","3","1") = "6"
    & skf21("1","7","3","1","5","3","4","1") = "6"
    & skf21("1","7","3","1","5","3","5","1") = "6"
    & skf21("1","7","3","1","5","3","6","1") = "6"
    & skf21("1","7","3","1","5","3","7","1") = "6"
    & skf21("1","7","3","1","5","4","1","1") = "6"
    & skf21("1","7","3","1","5","4","2","1") = "6"
    & skf21("1","7","3","1","5","4","3","1") = "6"
    & skf21("1","7","3","1","5","4","4","1") = "6"
    & skf21("1","7","3","1","5","4","5","1") = "6"
    & skf21("1","7","3","1","5","4","6","1") = "6"
    & skf21("1","7","3","1","5","4","7","1") = "6"
    & skf21("1","7","3","1","5","5","1","1") = "6"
    & skf21("1","7","3","1","5","5","2","1") = "6"
    & skf21("1","7","3","1","5","5","3","1") = "6"
    & skf21("1","7","3","1","5","5","4","1") = "6"
    & skf21("1","7","3","1","5","5","5","1") = "6"
    & skf21("1","7","3","1","5","5","6","1") = "6"
    & skf21("1","7","3","1","5","5","7","1") = "6"
    & skf21("1","7","3","1","5","6","1","1") = "6"
    & skf21("1","7","3","1","5","6","2","1") = "6"
    & skf21("1","7","3","1","5","6","3","1") = "6"
    & skf21("1","7","3","1","5","6","4","1") = "6"
    & skf21("1","7","3","1","5","6","5","1") = "6"
    & skf21("1","7","3","1","5","6","6","1") = "6"
    & skf21("1","7","3","1","5","6","7","1") = "6"
    & skf21("1","7","3","1","5","7","1","1") = "6"
    & skf21("1","7","3","1","5","7","2","1") = "6"
    & skf21("1","7","3","1","5","7","3","1") = "6"
    & skf21("1","7","3","1","5","7","4","1") = "6"
    & skf21("1","7","3","1","5","7","5","1") = "6"
    & skf21("1","7","3","1","5","7","6","1") = "6"
    & skf21("1","7","3","1","5","7","7","1") = "6"
    & skf21("1","7","3","1","6","1","1","1") = "6"
    & skf21("1","7","3","1","6","1","2","1") = "6"
    & skf21("1","7","3","1","6","1","3","1") = "6"
    & skf21("1","7","3","1","6","1","4","1") = "6"
    & skf21("1","7","3","1","6","1","5","1") = "6"
    & skf21("1","7","3","1","6","1","6","1") = "6"
    & skf21("1","7","3","1","6","1","7","1") = "6"
    & skf21("1","7","3","1","6","2","1","1") = "6"
    & skf21("1","7","3","1","6","2","2","1") = "6"
    & skf21("1","7","3","1","6","2","3","1") = "6"
    & skf21("1","7","3","1","6","2","4","1") = "6"
    & skf21("1","7","3","1","6","2","5","1") = "6"
    & skf21("1","7","3","1","6","2","6","1") = "6"
    & skf21("1","7","3","1","6","2","7","1") = "6"
    & skf21("1","7","3","1","6","3","1","1") = "6"
    & skf21("1","7","3","1","6","3","2","1") = "6"
    & skf21("1","7","3","1","6","3","3","1") = "6"
    & skf21("1","7","3","1","6","3","4","1") = "6"
    & skf21("1","7","3","1","6","3","5","1") = "6"
    & skf21("1","7","3","1","6","3","6","1") = "6"
    & skf21("1","7","3","1","6","3","7","1") = "6"
    & skf21("1","7","3","1","6","4","1","1") = "6"
    & skf21("1","7","3","1","6","4","2","1") = "6"
    & skf21("1","7","3","1","6","4","3","1") = "6"
    & skf21("1","7","3","1","6","4","4","1") = "6"
    & skf21("1","7","3","1","6","4","5","1") = "6"
    & skf21("1","7","3","1","6","4","6","1") = "6"
    & skf21("1","7","3","1","6","4","7","1") = "6"
    & skf21("1","7","3","1","6","5","1","1") = "6"
    & skf21("1","7","3","1","6","5","2","1") = "6"
    & skf21("1","7","3","1","6","5","3","1") = "6"
    & skf21("1","7","3","1","6","5","4","1") = "6"
    & skf21("1","7","3","1","6","5","5","1") = "6"
    & skf21("1","7","3","1","6","5","6","1") = "6"
    & skf21("1","7","3","1","6","5","7","1") = "6"
    & skf21("1","7","3","1","6","6","1","1") = "6"
    & skf21("1","7","3","1","6","6","2","1") = "6"
    & skf21("1","7","3","1","6","6","3","1") = "6"
    & skf21("1","7","3","1","6","6","4","1") = "6"
    & skf21("1","7","3","1","6","6","5","1") = "6"
    & skf21("1","7","3","1","6","6","6","1") = "6"
    & skf21("1","7","3","1","6","6","7","1") = "6"
    & skf21("1","7","3","1","6","7","1","1") = "6"
    & skf21("1","7","3","1","6","7","2","1") = "6"
    & skf21("1","7","3","1","6","7","3","1") = "6"
    & skf21("1","7","3","1","6","7","4","1") = "6"
    & skf21("1","7","3","1","6","7","5","1") = "6"
    & skf21("1","7","3","1","6","7","6","1") = "6"
    & skf21("1","7","3","1","6","7","7","1") = "6"
    & skf21("1","7","3","1","7","1","1","1") = "6"
    & skf21("1","7","3","1","7","1","2","1") = "6"
    & skf21("1","7","3","1","7","1","3","1") = "6"
    & skf21("1","7","3","1","7","1","4","1") = "6"
    & skf21("1","7","3","1","7","1","5","1") = "6"
    & skf21("1","7","3","1","7","1","6","1") = "6"
    & skf21("1","7","3","1","7","1","7","1") = "6"
    & skf21("1","7","3","1","7","2","1","1") = "6"
    & skf21("1","7","3","1","7","2","2","1") = "6"
    & skf21("1","7","3","1","7","2","3","1") = "6"
    & skf21("1","7","3","1","7","2","4","1") = "6"
    & skf21("1","7","3","1","7","2","5","1") = "6"
    & skf21("1","7","3","1","7","2","6","1") = "6"
    & skf21("1","7","3","1","7","2","7","1") = "6"
    & skf21("1","7","3","1","7","3","1","1") = "6"
    & skf21("1","7","3","1","7","3","2","1") = "6"
    & skf21("1","7","3","1","7","3","3","1") = "6"
    & skf21("1","7","3","1","7","3","4","1") = "6"
    & skf21("1","7","3","1","7","3","5","1") = "6"
    & skf21("1","7","3","1","7","3","6","1") = "6"
    & skf21("1","7","3","1","7","3","7","1") = "6"
    & skf21("1","7","3","1","7","4","1","1") = "6"
    & skf21("1","7","3","1","7","4","2","1") = "6"
    & skf21("1","7","3","1","7","4","3","1") = "6"
    & skf21("1","7","3","1","7","4","4","1") = "6"
    & skf21("1","7","3","1","7","4","5","1") = "6"
    & skf21("1","7","3","1","7","4","6","1") = "6"
    & skf21("1","7","3","1","7","4","7","1") = "6"
    & skf21("1","7","3","1","7","5","1","1") = "6"
    & skf21("1","7","3","1","7","5","2","1") = "6"
    & skf21("1","7","3","1","7","5","3","1") = "6"
    & skf21("1","7","3","1","7","5","4","1") = "6"
    & skf21("1","7","3","1","7","5","5","1") = "6"
    & skf21("1","7","3","1","7","5","6","1") = "6"
    & skf21("1","7","3","1","7","5","7","1") = "6"
    & skf21("1","7","3","1","7","6","1","1") = "6"
    & skf21("1","7","3","1","7","6","2","1") = "6"
    & skf21("1","7","3","1","7","6","3","1") = "6"
    & skf21("1","7","3","1","7","6","4","1") = "6"
    & skf21("1","7","3","1","7","6","5","1") = "6"
    & skf21("1","7","3","1","7","6","6","1") = "6"
    & skf21("1","7","3","1","7","6","7","1") = "6"
    & skf21("1","7","3","1","7","7","1","1") = "6"
    & skf21("1","7","3","1","7","7","2","1") = "6"
    & skf21("1","7","3","1","7","7","3","1") = "6"
    & skf21("1","7","3","1","7","7","4","1") = "6"
    & skf21("1","7","3","1","7","7","5","1") = "6"
    & skf21("1","7","3","1","7","7","6","1") = "6"
    & skf21("1","7","3","1","7","7","7","1") = "6"
    & skf21("1","7","3","2","1","1","1","1") = "6"
    & skf21("1","7","3","2","1","1","2","1") = "6"
    & skf21("1","7","3","2","1","1","3","1") = "6"
    & skf21("1","7","3","2","1","1","4","1") = "6"
    & skf21("1","7","3","2","1","1","5","1") = "6"
    & skf21("1","7","3","2","1","1","6","1") = "6"
    & skf21("1","7","3","2","1","1","7","1") = "6"
    & skf21("1","7","3","2","1","2","1","1") = "6"
    & skf21("1","7","3","2","1","2","2","1") = "6"
    & skf21("1","7","3","2","1","2","3","1") = "6"
    & skf21("1","7","3","2","1","2","4","1") = "6"
    & skf21("1","7","3","2","1","2","5","1") = "6"
    & skf21("1","7","3","2","1","2","6","1") = "6"
    & skf21("1","7","3","2","1","2","7","1") = "6"
    & skf21("1","7","3","2","1","3","1","1") = "6"
    & skf21("1","7","3","2","1","3","2","1") = "6"
    & skf21("1","7","3","2","1","3","3","1") = "6"
    & skf21("1","7","3","2","1","3","4","1") = "6"
    & skf21("1","7","3","2","1","3","5","1") = "6"
    & skf21("1","7","3","2","1","3","6","1") = "6"
    & skf21("1","7","3","2","1","3","7","1") = "6"
    & skf21("1","7","3","2","1","4","1","1") = "6"
    & skf21("1","7","3","2","1","4","2","1") = "6"
    & skf21("1","7","3","2","1","4","3","1") = "6"
    & skf21("1","7","3","2","1","4","4","1") = "6"
    & skf21("1","7","3","2","1","4","5","1") = "6"
    & skf21("1","7","3","2","1","4","6","1") = "6"
    & skf21("1","7","3","2","1","4","7","1") = "6"
    & skf21("1","7","3","2","1","5","1","1") = "6"
    & skf21("1","7","3","2","1","5","2","1") = "6"
    & skf21("1","7","3","2","1","5","3","1") = "6"
    & skf21("1","7","3","2","1","5","4","1") = "6"
    & skf21("1","7","3","2","1","5","5","1") = "6"
    & skf21("1","7","3","2","1","5","6","1") = "6"
    & skf21("1","7","3","2","1","5","7","1") = "6"
    & skf21("1","7","3","2","1","6","1","1") = "6"
    & skf21("1","7","3","2","1","6","2","1") = "6"
    & skf21("1","7","3","2","1","6","3","1") = "6"
    & skf21("1","7","3","2","1","6","4","1") = "6"
    & skf21("1","7","3","2","1","6","5","1") = "6"
    & skf21("1","7","3","2","1","6","6","1") = "6"
    & skf21("1","7","3","2","1","6","7","1") = "6"
    & skf21("1","7","3","2","1","7","1","1") = "6"
    & skf21("1","7","3","2","1","7","2","1") = "6"
    & skf21("1","7","3","2","1","7","3","1") = "6"
    & skf21("1","7","3","2","1","7","4","1") = "6"
    & skf21("1","7","3","2","1","7","5","1") = "6"
    & skf21("1","7","3","2","1","7","6","1") = "6"
    & skf21("1","7","3","2","1","7","7","1") = "6"
    & skf21("1","7","3","2","2","1","1","1") = "6"
    & skf21("1","7","3","2","2","1","2","1") = "6"
    & skf21("1","7","3","2","2","1","3","1") = "6"
    & skf21("1","7","3","2","2","1","4","1") = "6"
    & skf21("1","7","3","2","2","1","5","1") = "6"
    & skf21("1","7","3","2","2","1","6","1") = "6"
    & skf21("1","7","3","2","2","1","7","1") = "6"
    & skf21("1","7","3","2","2","2","1","1") = "6"
    & skf21("1","7","3","2","2","2","2","1") = "6"
    & skf21("1","7","3","2","2","2","3","1") = "6"
    & skf21("1","7","3","2","2","2","4","1") = "6"
    & skf21("1","7","3","2","2","2","5","1") = "6"
    & skf21("1","7","3","2","2","2","6","1") = "6"
    & skf21("1","7","3","2","2","2","7","1") = "6"
    & skf21("1","7","3","2","2","3","1","1") = "6"
    & skf21("1","7","3","2","2","3","2","1") = "6"
    & skf21("1","7","3","2","2","3","3","1") = "6"
    & skf21("1","7","3","2","2","3","4","1") = "6"
    & skf21("1","7","3","2","2","3","5","1") = "6"
    & skf21("1","7","3","2","2","3","6","1") = "6"
    & skf21("1","7","3","2","2","3","7","1") = "6"
    & skf21("1","7","3","2","2","4","1","1") = "6"
    & skf21("1","7","3","2","2","4","2","1") = "6"
    & skf21("1","7","3","2","2","4","3","1") = "6"
    & skf21("1","7","3","2","2","4","4","1") = "6"
    & skf21("1","7","3","2","2","4","5","1") = "6"
    & skf21("1","7","3","2","2","4","6","1") = "6"
    & skf21("1","7","3","2","2","4","7","1") = "6"
    & skf21("1","7","3","2","2","5","1","1") = "6"
    & skf21("1","7","3","2","2","5","2","1") = "6"
    & skf21("1","7","3","2","2","5","3","1") = "6"
    & skf21("1","7","3","2","2","5","4","1") = "6"
    & skf21("1","7","3","2","2","5","5","1") = "6"
    & skf21("1","7","3","2","2","5","6","1") = "6"
    & skf21("1","7","3","2","2","5","7","1") = "6"
    & skf21("1","7","3","2","2","6","1","1") = "6"
    & skf21("1","7","3","2","2","6","2","1") = "6"
    & skf21("1","7","3","2","2","6","3","1") = "6"
    & skf21("1","7","3","2","2","6","4","1") = "6"
    & skf21("1","7","3","2","2","6","5","1") = "6"
    & skf21("1","7","3","2","2","6","6","1") = "6"
    & skf21("1","7","3","2","2","6","7","1") = "6"
    & skf21("1","7","3","2","2","7","1","1") = "6"
    & skf21("1","7","3","2","2","7","2","1") = "6"
    & skf21("1","7","3","2","2","7","3","1") = "6"
    & skf21("1","7","3","2","2","7","4","1") = "6"
    & skf21("1","7","3","2","2","7","5","1") = "6"
    & skf21("1","7","3","2","2","7","6","1") = "6"
    & skf21("1","7","3","2","2","7","7","1") = "6"
    & skf21("1","7","3","2","3","1","1","1") = "6"
    & skf21("1","7","3","2","3","1","2","1") = "6"
    & skf21("1","7","3","2","3","1","3","1") = "6"
    & skf21("1","7","3","2","3","1","4","1") = "6"
    & skf21("1","7","3","2","3","1","5","1") = "6"
    & skf21("1","7","3","2","3","1","6","1") = "6"
    & skf21("1","7","3","2","3","1","7","1") = "6"
    & skf21("1","7","3","2","3","2","1","1") = "6"
    & skf21("1","7","3","2","3","2","2","1") = "6"
    & skf21("1","7","3","2","3","2","3","1") = "6"
    & skf21("1","7","3","2","3","2","4","1") = "6"
    & skf21("1","7","3","2","3","2","5","1") = "6"
    & skf21("1","7","3","2","3","2","6","1") = "6"
    & skf21("1","7","3","2","3","2","7","1") = "6"
    & skf21("1","7","3","2","3","3","1","1") = "6"
    & skf21("1","7","3","2","3","3","2","1") = "6"
    & skf21("1","7","3","2","3","3","3","1") = "6"
    & skf21("1","7","3","2","3","3","4","1") = "6"
    & skf21("1","7","3","2","3","3","5","1") = "6"
    & skf21("1","7","3","2","3","3","6","1") = "6"
    & skf21("1","7","3","2","3","3","7","1") = "6"
    & skf21("1","7","3","2","3","4","1","1") = "6"
    & skf21("1","7","3","2","3","4","2","1") = "6"
    & skf21("1","7","3","2","3","4","3","1") = "6"
    & skf21("1","7","3","2","3","4","4","1") = "6"
    & skf21("1","7","3","2","3","4","5","1") = "6"
    & skf21("1","7","3","2","3","4","6","1") = "6"
    & skf21("1","7","3","2","3","4","7","1") = "6"
    & skf21("1","7","3","2","3","5","1","1") = "6"
    & skf21("1","7","3","2","3","5","2","1") = "6"
    & skf21("1","7","3","2","3","5","3","1") = "6"
    & skf21("1","7","3","2","3","5","4","1") = "6"
    & skf21("1","7","3","2","3","5","5","1") = "6"
    & skf21("1","7","3","2","3","5","6","1") = "6"
    & skf21("1","7","3","2","3","5","7","1") = "6"
    & skf21("1","7","3","2","3","6","1","1") = "6"
    & skf21("1","7","3","2","3","6","2","1") = "6"
    & skf21("1","7","3","2","3","6","3","1") = "6"
    & skf21("1","7","3","2","3","6","4","1") = "6"
    & skf21("1","7","3","2","3","6","5","1") = "6"
    & skf21("1","7","3","2","3","6","6","1") = "6"
    & skf21("1","7","3","2","3","6","7","1") = "6"
    & skf21("1","7","3","2","3","7","1","1") = "6"
    & skf21("1","7","3","2","3","7","2","1") = "6"
    & skf21("1","7","3","2","3","7","3","1") = "6"
    & skf21("1","7","3","2","3","7","4","1") = "6"
    & skf21("1","7","3","2","3","7","5","1") = "6"
    & skf21("1","7","3","2","3","7","6","1") = "6"
    & skf21("1","7","3","2","3","7","7","1") = "6"
    & skf21("1","7","3","2","4","1","1","1") = "6"
    & skf21("1","7","3","2","4","1","2","1") = "6"
    & skf21("1","7","3","2","4","1","3","1") = "6"
    & skf21("1","7","3","2","4","1","4","1") = "6"
    & skf21("1","7","3","2","4","1","5","1") = "6"
    & skf21("1","7","3","2","4","1","6","1") = "6"
    & skf21("1","7","3","2","4","1","7","1") = "6"
    & skf21("1","7","3","2","4","2","1","1") = "6"
    & skf21("1","7","3","2","4","2","2","1") = "6"
    & skf21("1","7","3","2","4","2","3","1") = "6"
    & skf21("1","7","3","2","4","2","4","1") = "6"
    & skf21("1","7","3","2","4","2","5","1") = "6"
    & skf21("1","7","3","2","4","2","6","1") = "6"
    & skf21("1","7","3","2","4","2","7","1") = "6"
    & skf21("1","7","3","2","4","3","1","1") = "6"
    & skf21("1","7","3","2","4","3","2","1") = "6"
    & skf21("1","7","3","2","4","3","3","1") = "6"
    & skf21("1","7","3","2","4","3","4","1") = "6"
    & skf21("1","7","3","2","4","3","5","1") = "6"
    & skf21("1","7","3","2","4","3","6","1") = "6"
    & skf21("1","7","3","2","4","3","7","1") = "6"
    & skf21("1","7","3","2","4","4","1","1") = "6"
    & skf21("1","7","3","2","4","4","2","1") = "6"
    & skf21("1","7","3","2","4","4","3","1") = "6"
    & skf21("1","7","3","2","4","4","4","1") = "6"
    & skf21("1","7","3","2","4","4","5","1") = "6"
    & skf21("1","7","3","2","4","4","6","1") = "6"
    & skf21("1","7","3","2","4","4","7","1") = "6"
    & skf21("1","7","3","2","4","5","1","1") = "6"
    & skf21("1","7","3","2","4","5","2","1") = "6"
    & skf21("1","7","3","2","4","5","3","1") = "6"
    & skf21("1","7","3","2","4","5","4","1") = "6"
    & skf21("1","7","3","2","4","5","5","1") = "6"
    & skf21("1","7","3","2","4","5","6","1") = "6"
    & skf21("1","7","3","2","4","5","7","1") = "6"
    & skf21("1","7","3","2","4","6","1","1") = "6"
    & skf21("1","7","3","2","4","6","2","1") = "6"
    & skf21("1","7","3","2","4","6","3","1") = "6"
    & skf21("1","7","3","2","4","6","4","1") = "6"
    & skf21("1","7","3","2","4","6","5","1") = "6"
    & skf21("1","7","3","2","4","6","6","1") = "6"
    & skf21("1","7","3","2","4","6","7","1") = "6"
    & skf21("1","7","3","2","4","7","1","1") = "6"
    & skf21("1","7","3","2","4","7","2","1") = "6"
    & skf21("1","7","3","2","4","7","3","1") = "6"
    & skf21("1","7","3","2","4","7","4","1") = "6"
    & skf21("1","7","3","2","4","7","5","1") = "6"
    & skf21("1","7","3","2","4","7","6","1") = "6"
    & skf21("1","7","3","2","4","7","7","1") = "6"
    & skf21("1","7","3","2","5","1","1","1") = "6"
    & skf21("1","7","3","2","5","1","2","1") = "6"
    & skf21("1","7","3","2","5","1","3","1") = "6"
    & skf21("1","7","3","2","5","1","4","1") = "6"
    & skf21("1","7","3","2","5","1","5","1") = "6"
    & skf21("1","7","3","2","5","1","6","1") = "6"
    & skf21("1","7","3","2","5","1","7","1") = "6"
    & skf21("1","7","3","2","5","2","1","1") = "6"
    & skf21("1","7","3","2","5","2","2","1") = "6"
    & skf21("1","7","3","2","5","2","3","1") = "6"
    & skf21("1","7","3","2","5","2","4","1") = "6"
    & skf21("1","7","3","2","5","2","5","1") = "6"
    & skf21("1","7","3","2","5","2","6","1") = "6"
    & skf21("1","7","3","2","5","2","7","1") = "6"
    & skf21("1","7","3","2","5","3","1","1") = "6"
    & skf21("1","7","3","2","5","3","2","1") = "6"
    & skf21("1","7","3","2","5","3","3","1") = "6"
    & skf21("1","7","3","2","5","3","4","1") = "6"
    & skf21("1","7","3","2","5","3","5","1") = "6"
    & skf21("1","7","3","2","5","3","6","1") = "6"
    & skf21("1","7","3","2","5","3","7","1") = "6"
    & skf21("1","7","3","2","5","4","1","1") = "6"
    & skf21("1","7","3","2","5","4","2","1") = "6"
    & skf21("1","7","3","2","5","4","3","1") = "6"
    & skf21("1","7","3","2","5","4","4","1") = "6"
    & skf21("1","7","3","2","5","4","5","1") = "6"
    & skf21("1","7","3","2","5","4","6","1") = "6"
    & skf21("1","7","3","2","5","4","7","1") = "6"
    & skf21("1","7","3","2","5","5","1","1") = "6"
    & skf21("1","7","3","2","5","5","2","1") = "6"
    & skf21("1","7","3","2","5","5","3","1") = "6"
    & skf21("1","7","3","2","5","5","4","1") = "6"
    & skf21("1","7","3","2","5","5","5","1") = "6"
    & skf21("1","7","3","2","5","5","6","1") = "6"
    & skf21("1","7","3","2","5","5","7","1") = "6"
    & skf21("1","7","3","2","5","6","1","1") = "6"
    & skf21("1","7","3","2","5","6","2","1") = "6"
    & skf21("1","7","3","2","5","6","3","1") = "6"
    & skf21("1","7","3","2","5","6","4","1") = "6"
    & skf21("1","7","3","2","5","6","5","1") = "6"
    & skf21("1","7","3","2","5","6","6","1") = "6"
    & skf21("1","7","3","2","5","6","7","1") = "6"
    & skf21("1","7","3","2","5","7","1","1") = "6"
    & skf21("1","7","3","2","5","7","2","1") = "6"
    & skf21("1","7","3","2","5","7","3","1") = "6"
    & skf21("1","7","3","2","5","7","4","1") = "6"
    & skf21("1","7","3","2","5","7","5","1") = "6"
    & skf21("1","7","3","2","5","7","6","1") = "6"
    & skf21("1","7","3","2","5","7","7","1") = "6"
    & skf21("1","7","3","2","6","1","1","1") = "6"
    & skf21("1","7","3","2","6","1","2","1") = "6"
    & skf21("1","7","3","2","6","1","3","1") = "6"
    & skf21("1","7","3","2","6","1","4","1") = "6"
    & skf21("1","7","3","2","6","1","5","1") = "6"
    & skf21("1","7","3","2","6","1","6","1") = "6"
    & skf21("1","7","3","2","6","1","7","1") = "6"
    & skf21("1","7","3","2","6","2","1","1") = "6"
    & skf21("1","7","3","2","6","2","2","1") = "6"
    & skf21("1","7","3","2","6","2","3","1") = "6"
    & skf21("1","7","3","2","6","2","4","1") = "6"
    & skf21("1","7","3","2","6","2","5","1") = "6"
    & skf21("1","7","3","2","6","2","6","1") = "6"
    & skf21("1","7","3","2","6","2","7","1") = "6"
    & skf21("1","7","3","2","6","3","1","1") = "6"
    & skf21("1","7","3","2","6","3","2","1") = "6"
    & skf21("1","7","3","2","6","3","3","1") = "6"
    & skf21("1","7","3","2","6","3","4","1") = "6"
    & skf21("1","7","3","2","6","3","5","1") = "6"
    & skf21("1","7","3","2","6","3","6","1") = "6"
    & skf21("1","7","3","2","6","3","7","1") = "6"
    & skf21("1","7","3","2","6","4","1","1") = "6"
    & skf21("1","7","3","2","6","4","2","1") = "6"
    & skf21("1","7","3","2","6","4","3","1") = "6"
    & skf21("1","7","3","2","6","4","4","1") = "6"
    & skf21("1","7","3","2","6","4","5","1") = "6"
    & skf21("1","7","3","2","6","4","6","1") = "6"
    & skf21("1","7","3","2","6","4","7","1") = "6"
    & skf21("1","7","3","2","6","5","1","1") = "6"
    & skf21("1","7","3","2","6","5","2","1") = "6"
    & skf21("1","7","3","2","6","5","3","1") = "6"
    & skf21("1","7","3","2","6","5","4","1") = "6"
    & skf21("1","7","3","2","6","5","5","1") = "6"
    & skf21("1","7","3","2","6","5","6","1") = "6"
    & skf21("1","7","3","2","6","5","7","1") = "6"
    & skf21("1","7","3","2","6","6","1","1") = "6"
    & skf21("1","7","3","2","6","6","2","1") = "6"
    & skf21("1","7","3","2","6","6","3","1") = "6"
    & skf21("1","7","3","2","6","6","4","1") = "6"
    & skf21("1","7","3","2","6","6","5","1") = "6"
    & skf21("1","7","3","2","6","6","6","1") = "6"
    & skf21("1","7","3","2","6","6","7","1") = "6"
    & skf21("1","7","3","2","6","7","1","1") = "6"
    & skf21("1","7","3","2","6","7","2","1") = "6"
    & skf21("1","7","3","2","6","7","3","1") = "6"
    & skf21("1","7","3","2","6","7","4","1") = "6"
    & skf21("1","7","3","2","6","7","5","1") = "6"
    & skf21("1","7","3","2","6","7","6","1") = "6"
    & skf21("1","7","3","2","6","7","7","1") = "6"
    & skf21("1","7","3","2","7","1","1","1") = "6"
    & skf21("1","7","3","2","7","1","2","1") = "6"
    & skf21("1","7","3","2","7","1","3","1") = "6"
    & skf21("1","7","3","2","7","1","4","1") = "6"
    & skf21("1","7","3","2","7","1","5","1") = "6"
    & skf21("1","7","3","2","7","1","6","1") = "6"
    & skf21("1","7","3","2","7","1","7","1") = "6"
    & skf21("1","7","3","2","7","2","1","1") = "6"
    & skf21("1","7","3","2","7","2","2","1") = "6"
    & skf21("1","7","3","2","7","2","3","1") = "6"
    & skf21("1","7","3","2","7","2","4","1") = "6"
    & skf21("1","7","3","2","7","2","5","1") = "6"
    & skf21("1","7","3","2","7","2","6","1") = "6"
    & skf21("1","7","3","2","7","2","7","1") = "6"
    & skf21("1","7","3","2","7","3","1","1") = "6"
    & skf21("1","7","3","2","7","3","2","1") = "6"
    & skf21("1","7","3","2","7","3","3","1") = "6"
    & skf21("1","7","3","2","7","3","4","1") = "6"
    & skf21("1","7","3","2","7","3","5","1") = "6"
    & skf21("1","7","3","2","7","3","6","1") = "6"
    & skf21("1","7","3","2","7","3","7","1") = "6"
    & skf21("1","7","3","2","7","4","1","1") = "6"
    & skf21("1","7","3","2","7","4","2","1") = "6"
    & skf21("1","7","3","2","7","4","3","1") = "6"
    & skf21("1","7","3","2","7","4","4","1") = "6"
    & skf21("1","7","3","2","7","4","5","1") = "6"
    & skf21("1","7","3","2","7","4","6","1") = "6"
    & skf21("1","7","3","2","7","4","7","1") = "6"
    & skf21("1","7","3","2","7","5","1","1") = "6"
    & skf21("1","7","3","2","7","5","2","1") = "6"
    & skf21("1","7","3","2","7","5","3","1") = "6"
    & skf21("1","7","3","2","7","5","4","1") = "6"
    & skf21("1","7","3","2","7","5","5","1") = "6"
    & skf21("1","7","3","2","7","5","6","1") = "6"
    & skf21("1","7","3","2","7","5","7","1") = "6"
    & skf21("1","7","3","2","7","6","1","1") = "6"
    & skf21("1","7","3","2","7","6","2","1") = "6"
    & skf21("1","7","3","2","7","6","3","1") = "6"
    & skf21("1","7","3","2","7","6","4","1") = "6"
    & skf21("1","7","3","2","7","6","5","1") = "6"
    & skf21("1","7","3","2","7","6","6","1") = "6"
    & skf21("1","7","3","2","7","6","7","1") = "6"
    & skf21("1","7","3","2","7","7","1","1") = "6"
    & skf21("1","7","3","2","7","7","2","1") = "6"
    & skf21("1","7","3","2","7","7","3","1") = "6"
    & skf21("1","7","3","2","7","7","4","1") = "6"
    & skf21("1","7","3","2","7","7","5","1") = "6"
    & skf21("1","7","3","2","7","7","6","1") = "6"
    & skf21("1","7","3","2","7","7","7","1") = "6"
    & skf21("1","7","3","3","1","1","1","1") = "6"
    & skf21("1","7","3","3","1","1","2","1") = "6"
    & skf21("1","7","3","3","1","1","3","1") = "6"
    & skf21("1","7","3","3","1","1","4","1") = "6"
    & skf21("1","7","3","3","1","1","5","1") = "6"
    & skf21("1","7","3","3","1","1","6","1") = "6"
    & skf21("1","7","3","3","1","1","7","1") = "6"
    & skf21("1","7","3","3","1","2","1","1") = "6"
    & skf21("1","7","3","3","1","2","2","1") = "6"
    & skf21("1","7","3","3","1","2","3","1") = "6"
    & skf21("1","7","3","3","1","2","4","1") = "6"
    & skf21("1","7","3","3","1","2","5","1") = "6"
    & skf21("1","7","3","3","1","2","6","1") = "6"
    & skf21("1","7","3","3","1","2","7","1") = "6"
    & skf21("1","7","3","3","1","3","1","1") = "6"
    & skf21("1","7","3","3","1","3","2","1") = "6"
    & skf21("1","7","3","3","1","3","3","1") = "6"
    & skf21("1","7","3","3","1","3","4","1") = "6"
    & skf21("1","7","3","3","1","3","5","1") = "6"
    & skf21("1","7","3","3","1","3","6","1") = "6"
    & skf21("1","7","3","3","1","3","7","1") = "6"
    & skf21("1","7","3","3","1","4","1","1") = "6"
    & skf21("1","7","3","3","1","4","2","1") = "6"
    & skf21("1","7","3","3","1","4","3","1") = "6"
    & skf21("1","7","3","3","1","4","4","1") = "6"
    & skf21("1","7","3","3","1","4","5","1") = "6"
    & skf21("1","7","3","3","1","4","6","1") = "6"
    & skf21("1","7","3","3","1","4","7","1") = "6"
    & skf21("1","7","3","3","1","5","1","1") = "6"
    & skf21("1","7","3","3","1","5","2","1") = "6"
    & skf21("1","7","3","3","1","5","3","1") = "6"
    & skf21("1","7","3","3","1","5","4","1") = "6"
    & skf21("1","7","3","3","1","5","5","1") = "6"
    & skf21("1","7","3","3","1","5","6","1") = "6"
    & skf21("1","7","3","3","1","5","7","1") = "6"
    & skf21("1","7","3","3","1","6","1","1") = "6"
    & skf21("1","7","3","3","1","6","2","1") = "6"
    & skf21("1","7","3","3","1","6","3","1") = "6"
    & skf21("1","7","3","3","1","6","4","1") = "6"
    & skf21("1","7","3","3","1","6","5","1") = "6"
    & skf21("1","7","3","3","1","6","6","1") = "6"
    & skf21("1","7","3","3","1","6","7","1") = "6"
    & skf21("1","7","3","3","1","7","1","1") = "6"
    & skf21("1","7","3","3","1","7","2","1") = "6"
    & skf21("1","7","3","3","1","7","3","1") = "6"
    & skf21("1","7","3","3","1","7","4","1") = "6"
    & skf21("1","7","3","3","1","7","5","1") = "6"
    & skf21("1","7","3","3","1","7","6","1") = "6"
    & skf21("1","7","3","3","1","7","7","1") = "6"
    & skf21("1","7","3","3","2","1","1","1") = "6"
    & skf21("1","7","3","3","2","1","2","1") = "6"
    & skf21("1","7","3","3","2","1","3","1") = "6"
    & skf21("1","7","3","3","2","1","4","1") = "6"
    & skf21("1","7","3","3","2","1","5","1") = "6"
    & skf21("1","7","3","3","2","1","6","1") = "6"
    & skf21("1","7","3","3","2","1","7","1") = "6"
    & skf21("1","7","3","3","2","2","1","1") = "6"
    & skf21("1","7","3","3","2","2","2","1") = "6"
    & skf21("1","7","3","3","2","2","3","1") = "6"
    & skf21("1","7","3","3","2","2","4","1") = "6"
    & skf21("1","7","3","3","2","2","5","1") = "6"
    & skf21("1","7","3","3","2","2","6","1") = "6"
    & skf21("1","7","3","3","2","2","7","1") = "6"
    & skf21("1","7","3","3","2","3","1","1") = "6"
    & skf21("1","7","3","3","2","3","2","1") = "6"
    & skf21("1","7","3","3","2","3","3","1") = "6"
    & skf21("1","7","3","3","2","3","4","1") = "6"
    & skf21("1","7","3","3","2","3","5","1") = "6"
    & skf21("1","7","3","3","2","3","6","1") = "6"
    & skf21("1","7","3","3","2","3","7","1") = "6"
    & skf21("1","7","3","3","2","4","1","1") = "6"
    & skf21("1","7","3","3","2","4","2","1") = "6"
    & skf21("1","7","3","3","2","4","3","1") = "6"
    & skf21("1","7","3","3","2","4","4","1") = "6"
    & skf21("1","7","3","3","2","4","5","1") = "6"
    & skf21("1","7","3","3","2","4","6","1") = "6"
    & skf21("1","7","3","3","2","4","7","1") = "6"
    & skf21("1","7","3","3","2","5","1","1") = "6"
    & skf21("1","7","3","3","2","5","2","1") = "6"
    & skf21("1","7","3","3","2","5","3","1") = "6"
    & skf21("1","7","3","3","2","5","4","1") = "6"
    & skf21("1","7","3","3","2","5","5","1") = "6"
    & skf21("1","7","3","3","2","5","6","1") = "6"
    & skf21("1","7","3","3","2","5","7","1") = "6"
    & skf21("1","7","3","3","2","6","1","1") = "6"
    & skf21("1","7","3","3","2","6","2","1") = "6"
    & skf21("1","7","3","3","2","6","3","1") = "6"
    & skf21("1","7","3","3","2","6","4","1") = "6"
    & skf21("1","7","3","3","2","6","5","1") = "6"
    & skf21("1","7","3","3","2","6","6","1") = "6"
    & skf21("1","7","3","3","2","6","7","1") = "6"
    & skf21("1","7","3","3","2","7","1","1") = "6"
    & skf21("1","7","3","3","2","7","2","1") = "6"
    & skf21("1","7","3","3","2","7","3","1") = "6"
    & skf21("1","7","3","3","2","7","4","1") = "6"
    & skf21("1","7","3","3","2","7","5","1") = "6"
    & skf21("1","7","3","3","2","7","6","1") = "6"
    & skf21("1","7","3","3","2","7","7","1") = "6"
    & skf21("1","7","3","3","3","1","1","1") = "6"
    & skf21("1","7","3","3","3","1","2","1") = "6"
    & skf21("1","7","3","3","3","1","3","1") = "6"
    & skf21("1","7","3","3","3","1","4","1") = "6"
    & skf21("1","7","3","3","3","1","5","1") = "6"
    & skf21("1","7","3","3","3","1","6","1") = "6"
    & skf21("1","7","3","3","3","1","7","1") = "6"
    & skf21("1","7","3","3","3","2","1","1") = "6"
    & skf21("1","7","3","3","3","2","2","1") = "6"
    & skf21("1","7","3","3","3","2","3","1") = "6"
    & skf21("1","7","3","3","3","2","4","1") = "6"
    & skf21("1","7","3","3","3","2","5","1") = "6"
    & skf21("1","7","3","3","3","2","6","1") = "6"
    & skf21("1","7","3","3","3","2","7","1") = "6"
    & skf21("1","7","3","3","3","3","1","1") = "6"
    & skf21("1","7","3","3","3","3","2","1") = "6"
    & skf21("1","7","3","3","3","3","3","1") = "6"
    & skf21("1","7","3","3","3","3","4","1") = "6"
    & skf21("1","7","3","3","3","3","5","1") = "6"
    & skf21("1","7","3","3","3","3","6","1") = "6"
    & skf21("1","7","3","3","3","3","7","1") = "6"
    & skf21("1","7","3","3","3","4","1","1") = "6"
    & skf21("1","7","3","3","3","4","2","1") = "6"
    & skf21("1","7","3","3","3","4","3","1") = "6"
    & skf21("1","7","3","3","3","4","4","1") = "6"
    & skf21("1","7","3","3","3","4","5","1") = "6"
    & skf21("1","7","3","3","3","4","6","1") = "6"
    & skf21("1","7","3","3","3","4","7","1") = "6"
    & skf21("1","7","3","3","3","5","1","1") = "6"
    & skf21("1","7","3","3","3","5","2","1") = "6"
    & skf21("1","7","3","3","3","5","3","1") = "6"
    & skf21("1","7","3","3","3","5","4","1") = "6"
    & skf21("1","7","3","3","3","5","5","1") = "6"
    & skf21("1","7","3","3","3","5","6","1") = "6"
    & skf21("1","7","3","3","3","5","7","1") = "6"
    & skf21("1","7","3","3","3","6","1","1") = "6"
    & skf21("1","7","3","3","3","6","2","1") = "6"
    & skf21("1","7","3","3","3","6","3","1") = "6"
    & skf21("1","7","3","3","3","6","4","1") = "6"
    & skf21("1","7","3","3","3","6","5","1") = "6"
    & skf21("1","7","3","3","3","6","6","1") = "6"
    & skf21("1","7","3","3","3","6","7","1") = "6"
    & skf21("1","7","3","3","3","7","1","1") = "6"
    & skf21("1","7","3","3","3","7","2","1") = "6"
    & skf21("1","7","3","3","3","7","3","1") = "6"
    & skf21("1","7","3","3","3","7","4","1") = "6"
    & skf21("1","7","3","3","3","7","5","1") = "6"
    & skf21("1","7","3","3","3","7","6","1") = "6"
    & skf21("1","7","3","3","3","7","7","1") = "6"
    & skf21("1","7","3","3","4","1","1","1") = "6"
    & skf21("1","7","3","3","4","1","2","1") = "6"
    & skf21("1","7","3","3","4","1","3","1") = "6"
    & skf21("1","7","3","3","4","1","4","1") = "6"
    & skf21("1","7","3","3","4","1","5","1") = "6"
    & skf21("1","7","3","3","4","1","6","1") = "6"
    & skf21("1","7","3","3","4","1","7","1") = "6"
    & skf21("1","7","3","3","4","2","1","1") = "6"
    & skf21("1","7","3","3","4","2","2","1") = "6"
    & skf21("1","7","3","3","4","2","3","1") = "6"
    & skf21("1","7","3","3","4","2","4","1") = "6"
    & skf21("1","7","3","3","4","2","5","1") = "6"
    & skf21("1","7","3","3","4","2","6","1") = "6"
    & skf21("1","7","3","3","4","2","7","1") = "6"
    & skf21("1","7","3","3","4","3","1","1") = "6"
    & skf21("1","7","3","3","4","3","2","1") = "6"
    & skf21("1","7","3","3","4","3","3","1") = "6"
    & skf21("1","7","3","3","4","3","4","1") = "6"
    & skf21("1","7","3","3","4","3","5","1") = "6"
    & skf21("1","7","3","3","4","3","6","1") = "6"
    & skf21("1","7","3","3","4","3","7","1") = "6"
    & skf21("1","7","3","3","4","4","1","1") = "6"
    & skf21("1","7","3","3","4","4","2","1") = "6"
    & skf21("1","7","3","3","4","4","3","1") = "6"
    & skf21("1","7","3","3","4","4","4","1") = "6"
    & skf21("1","7","3","3","4","4","5","1") = "6"
    & skf21("1","7","3","3","4","4","6","1") = "6"
    & skf21("1","7","3","3","4","4","7","1") = "6"
    & skf21("1","7","3","3","4","5","1","1") = "6"
    & skf21("1","7","3","3","4","5","2","1") = "6"
    & skf21("1","7","3","3","4","5","3","1") = "6"
    & skf21("1","7","3","3","4","5","4","1") = "6"
    & skf21("1","7","3","3","4","5","5","1") = "6"
    & skf21("1","7","3","3","4","5","6","1") = "6"
    & skf21("1","7","3","3","4","5","7","1") = "6"
    & skf21("1","7","3","3","4","6","1","1") = "6"
    & skf21("1","7","3","3","4","6","2","1") = "6"
    & skf21("1","7","3","3","4","6","3","1") = "6"
    & skf21("1","7","3","3","4","6","4","1") = "6"
    & skf21("1","7","3","3","4","6","5","1") = "6"
    & skf21("1","7","3","3","4","6","6","1") = "6"
    & skf21("1","7","3","3","4","6","7","1") = "6"
    & skf21("1","7","3","3","4","7","1","1") = "6"
    & skf21("1","7","3","3","4","7","2","1") = "6"
    & skf21("1","7","3","3","4","7","3","1") = "6"
    & skf21("1","7","3","3","4","7","4","1") = "6"
    & skf21("1","7","3","3","4","7","5","1") = "6"
    & skf21("1","7","3","3","4","7","6","1") = "6"
    & skf21("1","7","3","3","4","7","7","1") = "6"
    & skf21("1","7","3","3","5","1","1","1") = "6"
    & skf21("1","7","3","3","5","1","2","1") = "6"
    & skf21("1","7","3","3","5","1","3","1") = "6"
    & skf21("1","7","3","3","5","1","4","1") = "6"
    & skf21("1","7","3","3","5","1","5","1") = "6"
    & skf21("1","7","3","3","5","1","6","1") = "6"
    & skf21("1","7","3","3","5","1","7","1") = "6"
    & skf21("1","7","3","3","5","2","1","1") = "6"
    & skf21("1","7","3","3","5","2","2","1") = "6"
    & skf21("1","7","3","3","5","2","3","1") = "6"
    & skf21("1","7","3","3","5","2","4","1") = "6"
    & skf21("1","7","3","3","5","2","5","1") = "6"
    & skf21("1","7","3","3","5","2","6","1") = "6"
    & skf21("1","7","3","3","5","2","7","1") = "6"
    & skf21("1","7","3","3","5","3","1","1") = "6"
    & skf21("1","7","3","3","5","3","2","1") = "6"
    & skf21("1","7","3","3","5","3","3","1") = "6"
    & skf21("1","7","3","3","5","3","4","1") = "6"
    & skf21("1","7","3","3","5","3","5","1") = "6"
    & skf21("1","7","3","3","5","3","6","1") = "6"
    & skf21("1","7","3","3","5","3","7","1") = "6"
    & skf21("1","7","3","3","5","4","1","1") = "6"
    & skf21("1","7","3","3","5","4","2","1") = "6"
    & skf21("1","7","3","3","5","4","3","1") = "6"
    & skf21("1","7","3","3","5","4","4","1") = "6"
    & skf21("1","7","3","3","5","4","5","1") = "6"
    & skf21("1","7","3","3","5","4","6","1") = "6"
    & skf21("1","7","3","3","5","4","7","1") = "6"
    & skf21("1","7","3","3","5","5","1","1") = "6"
    & skf21("1","7","3","3","5","5","2","1") = "6"
    & skf21("1","7","3","3","5","5","3","1") = "6"
    & skf21("1","7","3","3","5","5","4","1") = "6"
    & skf21("1","7","3","3","5","5","5","1") = "6"
    & skf21("1","7","3","3","5","5","6","1") = "6"
    & skf21("1","7","3","3","5","5","7","1") = "6"
    & skf21("1","7","3","3","5","6","1","1") = "6"
    & skf21("1","7","3","3","5","6","2","1") = "6"
    & skf21("1","7","3","3","5","6","3","1") = "6"
    & skf21("1","7","3","3","5","6","4","1") = "6"
    & skf21("1","7","3","3","5","6","5","1") = "6"
    & skf21("1","7","3","3","5","6","6","1") = "6"
    & skf21("1","7","3","3","5","6","7","1") = "6"
    & skf21("1","7","3","3","5","7","1","1") = "6"
    & skf21("1","7","3","3","5","7","2","1") = "6"
    & skf21("1","7","3","3","5","7","3","1") = "6"
    & skf21("1","7","3","3","5","7","4","1") = "6"
    & skf21("1","7","3","3","5","7","5","1") = "6"
    & skf21("1","7","3","3","5","7","6","1") = "6"
    & skf21("1","7","3","3","5","7","7","1") = "6"
    & skf21("1","7","3","3","6","1","1","1") = "6"
    & skf21("1","7","3","3","6","1","2","1") = "6"
    & skf21("1","7","3","3","6","1","3","1") = "6"
    & skf21("1","7","3","3","6","1","4","1") = "6"
    & skf21("1","7","3","3","6","1","5","1") = "6"
    & skf21("1","7","3","3","6","1","6","1") = "6"
    & skf21("1","7","3","3","6","1","7","1") = "6"
    & skf21("1","7","3","3","6","2","1","1") = "6"
    & skf21("1","7","3","3","6","2","2","1") = "6"
    & skf21("1","7","3","3","6","2","3","1") = "6"
    & skf21("1","7","3","3","6","2","4","1") = "6"
    & skf21("1","7","3","3","6","2","5","1") = "6"
    & skf21("1","7","3","3","6","2","6","1") = "6"
    & skf21("1","7","3","3","6","2","7","1") = "6"
    & skf21("1","7","3","3","6","3","1","1") = "6"
    & skf21("1","7","3","3","6","3","2","1") = "6"
    & skf21("1","7","3","3","6","3","3","1") = "6"
    & skf21("1","7","3","3","6","3","4","1") = "6"
    & skf21("1","7","3","3","6","3","5","1") = "6"
    & skf21("1","7","3","3","6","3","6","1") = "6"
    & skf21("1","7","3","3","6","3","7","1") = "6"
    & skf21("1","7","3","3","6","4","1","1") = "6"
    & skf21("1","7","3","3","6","4","2","1") = "6"
    & skf21("1","7","3","3","6","4","3","1") = "6"
    & skf21("1","7","3","3","6","4","4","1") = "6"
    & skf21("1","7","3","3","6","4","5","1") = "6"
    & skf21("1","7","3","3","6","4","6","1") = "6"
    & skf21("1","7","3","3","6","4","7","1") = "6"
    & skf21("1","7","3","3","6","5","1","1") = "6"
    & skf21("1","7","3","3","6","5","2","1") = "6"
    & skf21("1","7","3","3","6","5","3","1") = "6"
    & skf21("1","7","3","3","6","5","4","1") = "6"
    & skf21("1","7","3","3","6","5","5","1") = "6"
    & skf21("1","7","3","3","6","5","6","1") = "6"
    & skf21("1","7","3","3","6","5","7","1") = "6"
    & skf21("1","7","3","3","6","6","1","1") = "6"
    & skf21("1","7","3","3","6","6","2","1") = "6"
    & skf21("1","7","3","3","6","6","3","1") = "6"
    & skf21("1","7","3","3","6","6","4","1") = "6"
    & skf21("1","7","3","3","6","6","5","1") = "6"
    & skf21("1","7","3","3","6","6","6","1") = "6"
    & skf21("1","7","3","3","6","6","7","1") = "6"
    & skf21("1","7","3","3","6","7","1","1") = "6"
    & skf21("1","7","3","3","6","7","2","1") = "6"
    & skf21("1","7","3","3","6","7","3","1") = "6"
    & skf21("1","7","3","3","6","7","4","1") = "6"
    & skf21("1","7","3","3","6","7","5","1") = "6"
    & skf21("1","7","3","3","6","7","6","1") = "6"
    & skf21("1","7","3","3","6","7","7","1") = "6"
    & skf21("1","7","3","3","7","1","1","1") = "6"
    & skf21("1","7","3","3","7","1","2","1") = "6"
    & skf21("1","7","3","3","7","1","3","1") = "6"
    & skf21("1","7","3","3","7","1","4","1") = "6"
    & skf21("1","7","3","3","7","1","5","1") = "6"
    & skf21("1","7","3","3","7","1","6","1") = "6"
    & skf21("1","7","3","3","7","1","7","1") = "6"
    & skf21("1","7","3","3","7","2","1","1") = "6"
    & skf21("1","7","3","3","7","2","2","1") = "6"
    & skf21("1","7","3","3","7","2","3","1") = "6"
    & skf21("1","7","3","3","7","2","4","1") = "6"
    & skf21("1","7","3","3","7","2","5","1") = "6"
    & skf21("1","7","3","3","7","2","6","1") = "6"
    & skf21("1","7","3","3","7","2","7","1") = "6"
    & skf21("1","7","3","3","7","3","1","1") = "6"
    & skf21("1","7","3","3","7","3","2","1") = "6"
    & skf21("1","7","3","3","7","3","3","1") = "6"
    & skf21("1","7","3","3","7","3","4","1") = "6"
    & skf21("1","7","3","3","7","3","5","1") = "6"
    & skf21("1","7","3","3","7","3","6","1") = "6"
    & skf21("1","7","3","3","7","3","7","1") = "6"
    & skf21("1","7","3","3","7","4","1","1") = "6"
    & skf21("1","7","3","3","7","4","2","1") = "6"
    & skf21("1","7","3","3","7","4","3","1") = "6"
    & skf21("1","7","3","3","7","4","4","1") = "6"
    & skf21("1","7","3","3","7","4","5","1") = "6"
    & skf21("1","7","3","3","7","4","6","1") = "6"
    & skf21("1","7","3","3","7","4","7","1") = "6"
    & skf21("1","7","3","3","7","5","1","1") = "6"
    & skf21("1","7","3","3","7","5","2","1") = "6"
    & skf21("1","7","3","3","7","5","3","1") = "6"
    & skf21("1","7","3","3","7","5","4","1") = "6"
    & skf21("1","7","3","3","7","5","5","1") = "6"
    & skf21("1","7","3","3","7","5","6","1") = "6"
    & skf21("1","7","3","3","7","5","7","1") = "6"
    & skf21("1","7","3","3","7","6","1","1") = "6"
    & skf21("1","7","3","3","7","6","2","1") = "6"
    & skf21("1","7","3","3","7","6","3","1") = "6"
    & skf21("1","7","3","3","7","6","4","1") = "6"
    & skf21("1","7","3","3","7","6","5","1") = "6"
    & skf21("1","7","3","3","7","6","6","1") = "6"
    & skf21("1","7","3","3","7","6","7","1") = "6"
    & skf21("1","7","3","3","7","7","1","1") = "6"
    & skf21("1","7","3","3","7","7","2","1") = "6"
    & skf21("1","7","3","3","7","7","3","1") = "6"
    & skf21("1","7","3","3","7","7","4","1") = "6"
    & skf21("1","7","3","3","7","7","5","1") = "6"
    & skf21("1","7","3","3","7","7","6","1") = "6"
    & skf21("1","7","3","3","7","7","7","1") = "6"
    & skf21("1","7","3","4","1","1","1","1") = "6"
    & skf21("1","7","3","4","1","1","2","1") = "6"
    & skf21("1","7","3","4","1","1","3","1") = "6"
    & skf21("1","7","3","4","1","1","4","1") = "6"
    & skf21("1","7","3","4","1","1","5","1") = "6"
    & skf21("1","7","3","4","1","1","6","1") = "6"
    & skf21("1","7","3","4","1","1","7","1") = "6"
    & skf21("1","7","3","4","1","2","1","1") = "6"
    & skf21("1","7","3","4","1","2","2","1") = "6"
    & skf21("1","7","3","4","1","2","3","1") = "6"
    & skf21("1","7","3","4","1","2","4","1") = "6"
    & skf21("1","7","3","4","1","2","5","1") = "6"
    & skf21("1","7","3","4","1","2","6","1") = "6"
    & skf21("1","7","3","4","1","2","7","1") = "6"
    & skf21("1","7","3","4","1","3","1","1") = "6"
    & skf21("1","7","3","4","1","3","2","1") = "6"
    & skf21("1","7","3","4","1","3","3","1") = "6"
    & skf21("1","7","3","4","1","3","4","1") = "6"
    & skf21("1","7","3","4","1","3","5","1") = "6"
    & skf21("1","7","3","4","1","3","6","1") = "6"
    & skf21("1","7","3","4","1","3","7","1") = "6"
    & skf21("1","7","3","4","1","4","1","1") = "6"
    & skf21("1","7","3","4","1","4","2","1") = "6"
    & skf21("1","7","3","4","1","4","3","1") = "6"
    & skf21("1","7","3","4","1","4","4","1") = "6"
    & skf21("1","7","3","4","1","4","5","1") = "6"
    & skf21("1","7","3","4","1","4","6","1") = "6"
    & skf21("1","7","3","4","1","4","7","1") = "6"
    & skf21("1","7","3","4","1","5","1","1") = "6"
    & skf21("1","7","3","4","1","5","2","1") = "6"
    & skf21("1","7","3","4","1","5","3","1") = "6"
    & skf21("1","7","3","4","1","5","4","1") = "6"
    & skf21("1","7","3","4","1","5","5","1") = "6"
    & skf21("1","7","3","4","1","5","6","1") = "6"
    & skf21("1","7","3","4","1","5","7","1") = "6"
    & skf21("1","7","3","4","1","6","1","1") = "6"
    & skf21("1","7","3","4","1","6","2","1") = "6"
    & skf21("1","7","3","4","1","6","3","1") = "6"
    & skf21("1","7","3","4","1","6","4","1") = "6"
    & skf21("1","7","3","4","1","6","5","1") = "6"
    & skf21("1","7","3","4","1","6","6","1") = "6"
    & skf21("1","7","3","4","1","6","7","1") = "6"
    & skf21("1","7","3","4","1","7","1","1") = "6"
    & skf21("1","7","3","4","1","7","2","1") = "6"
    & skf21("1","7","3","4","1","7","3","1") = "6"
    & skf21("1","7","3","4","1","7","4","1") = "6"
    & skf21("1","7","3","4","1","7","5","1") = "6"
    & skf21("1","7","3","4","1","7","6","1") = "6"
    & skf21("1","7","3","4","1","7","7","1") = "6"
    & skf21("1","7","3","4","2","1","1","1") = "6"
    & skf21("1","7","3","4","2","1","2","1") = "6"
    & skf21("1","7","3","4","2","1","3","1") = "6"
    & skf21("1","7","3","4","2","1","4","1") = "6"
    & skf21("1","7","3","4","2","1","5","1") = "6"
    & skf21("1","7","3","4","2","1","6","1") = "6"
    & skf21("1","7","3","4","2","1","7","1") = "6"
    & skf21("1","7","3","4","2","2","1","1") = "6"
    & skf21("1","7","3","4","2","2","2","1") = "6"
    & skf21("1","7","3","4","2","2","3","1") = "6"
    & skf21("1","7","3","4","2","2","4","1") = "6"
    & skf21("1","7","3","4","2","2","5","1") = "6"
    & skf21("1","7","3","4","2","2","6","1") = "6"
    & skf21("1","7","3","4","2","2","7","1") = "6"
    & skf21("1","7","3","4","2","3","1","1") = "6"
    & skf21("1","7","3","4","2","3","2","1") = "6"
    & skf21("1","7","3","4","2","3","3","1") = "6"
    & skf21("1","7","3","4","2","3","4","1") = "6"
    & skf21("1","7","3","4","2","3","5","1") = "6"
    & skf21("1","7","3","4","2","3","6","1") = "6"
    & skf21("1","7","3","4","2","3","7","1") = "6"
    & skf21("1","7","3","4","2","4","1","1") = "6"
    & skf21("1","7","3","4","2","4","2","1") = "6"
    & skf21("1","7","3","4","2","4","3","1") = "6"
    & skf21("1","7","3","4","2","4","4","1") = "6"
    & skf21("1","7","3","4","2","4","5","1") = "6"
    & skf21("1","7","3","4","2","4","6","1") = "6"
    & skf21("1","7","3","4","2","4","7","1") = "6"
    & skf21("1","7","3","4","2","5","1","1") = "6"
    & skf21("1","7","3","4","2","5","2","1") = "6"
    & skf21("1","7","3","4","2","5","3","1") = "6"
    & skf21("1","7","3","4","2","5","4","1") = "6"
    & skf21("1","7","3","4","2","5","5","1") = "6"
    & skf21("1","7","3","4","2","5","6","1") = "6"
    & skf21("1","7","3","4","2","5","7","1") = "6"
    & skf21("1","7","3","4","2","6","1","1") = "6"
    & skf21("1","7","3","4","2","6","2","1") = "6"
    & skf21("1","7","3","4","2","6","3","1") = "6"
    & skf21("1","7","3","4","2","6","4","1") = "6"
    & skf21("1","7","3","4","2","6","5","1") = "6"
    & skf21("1","7","3","4","2","6","6","1") = "6"
    & skf21("1","7","3","4","2","6","7","1") = "6"
    & skf21("1","7","3","4","2","7","1","1") = "6"
    & skf21("1","7","3","4","2","7","2","1") = "6"
    & skf21("1","7","3","4","2","7","3","1") = "6"
    & skf21("1","7","3","4","2","7","4","1") = "6"
    & skf21("1","7","3","4","2","7","5","1") = "6"
    & skf21("1","7","3","4","2","7","6","1") = "6"
    & skf21("1","7","3","4","2","7","7","1") = "6"
    & skf21("1","7","3","4","3","1","1","1") = "6"
    & skf21("1","7","3","4","3","1","2","1") = "6"
    & skf21("1","7","3","4","3","1","3","1") = "6"
    & skf21("1","7","3","4","3","1","4","1") = "6"
    & skf21("1","7","3","4","3","1","5","1") = "6"
    & skf21("1","7","3","4","3","1","6","1") = "6"
    & skf21("1","7","3","4","3","1","7","1") = "6"
    & skf21("1","7","3","4","3","2","1","1") = "6"
    & skf21("1","7","3","4","3","2","2","1") = "6"
    & skf21("1","7","3","4","3","2","3","1") = "6"
    & skf21("1","7","3","4","3","2","4","1") = "6"
    & skf21("1","7","3","4","3","2","5","1") = "6"
    & skf21("1","7","3","4","3","2","6","1") = "6"
    & skf21("1","7","3","4","3","2","7","1") = "6"
    & skf21("1","7","3","4","3","3","1","1") = "6"
    & skf21("1","7","3","4","3","3","2","1") = "6"
    & skf21("1","7","3","4","3","3","3","1") = "6"
    & skf21("1","7","3","4","3","3","4","1") = "6"
    & skf21("1","7","3","4","3","3","5","1") = "6"
    & skf21("1","7","3","4","3","3","6","1") = "6"
    & skf21("1","7","3","4","3","3","7","1") = "6"
    & skf21("1","7","3","4","3","4","1","1") = "6"
    & skf21("1","7","3","4","3","4","2","1") = "6"
    & skf21("1","7","3","4","3","4","3","1") = "6"
    & skf21("1","7","3","4","3","4","4","1") = "6"
    & skf21("1","7","3","4","3","4","5","1") = "6"
    & skf21("1","7","3","4","3","4","6","1") = "6"
    & skf21("1","7","3","4","3","4","7","1") = "6"
    & skf21("1","7","3","4","3","5","1","1") = "6"
    & skf21("1","7","3","4","3","5","2","1") = "6"
    & skf21("1","7","3","4","3","5","3","1") = "6"
    & skf21("1","7","3","4","3","5","4","1") = "6"
    & skf21("1","7","3","4","3","5","5","1") = "6"
    & skf21("1","7","3","4","3","5","6","1") = "6"
    & skf21("1","7","3","4","3","5","7","1") = "6"
    & skf21("1","7","3","4","3","6","1","1") = "6"
    & skf21("1","7","3","4","3","6","2","1") = "6"
    & skf21("1","7","3","4","3","6","3","1") = "6"
    & skf21("1","7","3","4","3","6","4","1") = "6"
    & skf21("1","7","3","4","3","6","5","1") = "6"
    & skf21("1","7","3","4","3","6","6","1") = "6"
    & skf21("1","7","3","4","3","6","7","1") = "6"
    & skf21("1","7","3","4","3","7","1","1") = "6"
    & skf21("1","7","3","4","3","7","2","1") = "6"
    & skf21("1","7","3","4","3","7","3","1") = "6"
    & skf21("1","7","3","4","3","7","4","1") = "6"
    & skf21("1","7","3","4","3","7","5","1") = "6"
    & skf21("1","7","3","4","3","7","6","1") = "6"
    & skf21("1","7","3","4","3","7","7","1") = "6"
    & skf21("1","7","3","4","4","1","1","1") = "6"
    & skf21("1","7","3","4","4","1","2","1") = "6"
    & skf21("1","7","3","4","4","1","3","1") = "6"
    & skf21("1","7","3","4","4","1","4","1") = "6"
    & skf21("1","7","3","4","4","1","5","1") = "6"
    & skf21("1","7","3","4","4","1","6","1") = "6"
    & skf21("1","7","3","4","4","1","7","1") = "6"
    & skf21("1","7","3","4","4","2","1","1") = "6"
    & skf21("1","7","3","4","4","2","2","1") = "6"
    & skf21("1","7","3","4","4","2","3","1") = "6"
    & skf21("1","7","3","4","4","2","4","1") = "6"
    & skf21("1","7","3","4","4","2","5","1") = "6"
    & skf21("1","7","3","4","4","2","6","1") = "6"
    & skf21("1","7","3","4","4","2","7","1") = "6"
    & skf21("1","7","3","4","4","3","1","1") = "6"
    & skf21("1","7","3","4","4","3","2","1") = "6"
    & skf21("1","7","3","4","4","3","3","1") = "6"
    & skf21("1","7","3","4","4","3","4","1") = "6"
    & skf21("1","7","3","4","4","3","5","1") = "6"
    & skf21("1","7","3","4","4","3","6","1") = "6"
    & skf21("1","7","3","4","4","3","7","1") = "6"
    & skf21("1","7","3","4","4","4","1","1") = "6"
    & skf21("1","7","3","4","4","4","2","1") = "6"
    & skf21("1","7","3","4","4","4","3","1") = "6"
    & skf21("1","7","3","4","4","4","4","1") = "6"
    & skf21("1","7","3","4","4","4","5","1") = "6"
    & skf21("1","7","3","4","4","4","6","1") = "6"
    & skf21("1","7","3","4","4","4","7","1") = "6"
    & skf21("1","7","3","4","4","5","1","1") = "6"
    & skf21("1","7","3","4","4","5","2","1") = "6"
    & skf21("1","7","3","4","4","5","3","1") = "6"
    & skf21("1","7","3","4","4","5","4","1") = "6"
    & skf21("1","7","3","4","4","5","5","1") = "6"
    & skf21("1","7","3","4","4","5","6","1") = "6"
    & skf21("1","7","3","4","4","5","7","1") = "6"
    & skf21("1","7","3","4","4","6","1","1") = "6"
    & skf21("1","7","3","4","4","6","2","1") = "6"
    & skf21("1","7","3","4","4","6","3","1") = "6"
    & skf21("1","7","3","4","4","6","4","1") = "6"
    & skf21("1","7","3","4","4","6","5","1") = "6"
    & skf21("1","7","3","4","4","6","6","1") = "6"
    & skf21("1","7","3","4","4","6","7","1") = "6"
    & skf21("1","7","3","4","4","7","1","1") = "6"
    & skf21("1","7","3","4","4","7","2","1") = "6"
    & skf21("1","7","3","4","4","7","3","1") = "6"
    & skf21("1","7","3","4","4","7","4","1") = "6"
    & skf21("1","7","3","4","4","7","5","1") = "6"
    & skf21("1","7","3","4","4","7","6","1") = "6"
    & skf21("1","7","3","4","4","7","7","1") = "6"
    & skf21("1","7","3","4","5","1","1","1") = "6"
    & skf21("1","7","3","4","5","1","2","1") = "6"
    & skf21("1","7","3","4","5","1","3","1") = "6"
    & skf21("1","7","3","4","5","1","4","1") = "6"
    & skf21("1","7","3","4","5","1","5","1") = "6"
    & skf21("1","7","3","4","5","1","6","1") = "6"
    & skf21("1","7","3","4","5","1","7","1") = "6"
    & skf21("1","7","3","4","5","2","1","1") = "6"
    & skf21("1","7","3","4","5","2","2","1") = "6"
    & skf21("1","7","3","4","5","2","3","1") = "6"
    & skf21("1","7","3","4","5","2","4","1") = "6"
    & skf21("1","7","3","4","5","2","5","1") = "6"
    & skf21("1","7","3","4","5","2","6","1") = "6"
    & skf21("1","7","3","4","5","2","7","1") = "6"
    & skf21("1","7","3","4","5","3","1","1") = "6"
    & skf21("1","7","3","4","5","3","2","1") = "6"
    & skf21("1","7","3","4","5","3","3","1") = "6"
    & skf21("1","7","3","4","5","3","4","1") = "6"
    & skf21("1","7","3","4","5","3","5","1") = "6"
    & skf21("1","7","3","4","5","3","6","1") = "6"
    & skf21("1","7","3","4","5","3","7","1") = "6"
    & skf21("1","7","3","4","5","4","1","1") = "6"
    & skf21("1","7","3","4","5","4","2","1") = "6"
    & skf21("1","7","3","4","5","4","3","1") = "6"
    & skf21("1","7","3","4","5","4","4","1") = "6"
    & skf21("1","7","3","4","5","4","5","1") = "6"
    & skf21("1","7","3","4","5","4","6","1") = "6"
    & skf21("1","7","3","4","5","4","7","1") = "6"
    & skf21("1","7","3","4","5","5","1","1") = "6"
    & skf21("1","7","3","4","5","5","2","1") = "6"
    & skf21("1","7","3","4","5","5","3","1") = "6"
    & skf21("1","7","3","4","5","5","4","1") = "6"
    & skf21("1","7","3","4","5","5","5","1") = "6"
    & skf21("1","7","3","4","5","5","6","1") = "6"
    & skf21("1","7","3","4","5","5","7","1") = "6"
    & skf21("1","7","3","4","5","6","1","1") = "6"
    & skf21("1","7","3","4","5","6","2","1") = "6"
    & skf21("1","7","3","4","5","6","3","1") = "6"
    & skf21("1","7","3","4","5","6","4","1") = "6"
    & skf21("1","7","3","4","5","6","5","1") = "6"
    & skf21("1","7","3","4","5","6","6","1") = "6"
    & skf21("1","7","3","4","5","6","7","1") = "6"
    & skf21("1","7","3","4","5","7","1","1") = "6"
    & skf21("1","7","3","4","5","7","2","1") = "6"
    & skf21("1","7","3","4","5","7","3","1") = "6"
    & skf21("1","7","3","4","5","7","4","1") = "6"
    & skf21("1","7","3","4","5","7","5","1") = "6"
    & skf21("1","7","3","4","5","7","6","1") = "6"
    & skf21("1","7","3","4","5","7","7","1") = "6"
    & skf21("1","7","3","4","6","1","1","1") = "6"
    & skf21("1","7","3","4","6","1","2","1") = "6"
    & skf21("1","7","3","4","6","1","3","1") = "6"
    & skf21("1","7","3","4","6","1","4","1") = "6"
    & skf21("1","7","3","4","6","1","5","1") = "6"
    & skf21("1","7","3","4","6","1","6","1") = "6"
    & skf21("1","7","3","4","6","1","7","1") = "6"
    & skf21("1","7","3","4","6","2","1","1") = "6"
    & skf21("1","7","3","4","6","2","2","1") = "6"
    & skf21("1","7","3","4","6","2","3","1") = "6"
    & skf21("1","7","3","4","6","2","4","1") = "6"
    & skf21("1","7","3","4","6","2","5","1") = "6"
    & skf21("1","7","3","4","6","2","6","1") = "6"
    & skf21("1","7","3","4","6","2","7","1") = "6"
    & skf21("1","7","3","4","6","3","1","1") = "6"
    & skf21("1","7","3","4","6","3","2","1") = "6"
    & skf21("1","7","3","4","6","3","3","1") = "6"
    & skf21("1","7","3","4","6","3","4","1") = "6"
    & skf21("1","7","3","4","6","3","5","1") = "6"
    & skf21("1","7","3","4","6","3","6","1") = "6"
    & skf21("1","7","3","4","6","3","7","1") = "6"
    & skf21("1","7","3","4","6","4","1","1") = "6"
    & skf21("1","7","3","4","6","4","2","1") = "6"
    & skf21("1","7","3","4","6","4","3","1") = "6"
    & skf21("1","7","3","4","6","4","4","1") = "6"
    & skf21("1","7","3","4","6","4","5","1") = "6"
    & skf21("1","7","3","4","6","4","6","1") = "6"
    & skf21("1","7","3","4","6","4","7","1") = "6"
    & skf21("1","7","3","4","6","5","1","1") = "6"
    & skf21("1","7","3","4","6","5","2","1") = "6"
    & skf21("1","7","3","4","6","5","3","1") = "6"
    & skf21("1","7","3","4","6","5","4","1") = "6"
    & skf21("1","7","3","4","6","5","5","1") = "6"
    & skf21("1","7","3","4","6","5","6","1") = "6"
    & skf21("1","7","3","4","6","5","7","1") = "6"
    & skf21("1","7","3","4","6","6","1","1") = "6"
    & skf21("1","7","3","4","6","6","2","1") = "6"
    & skf21("1","7","3","4","6","6","3","1") = "6"
    & skf21("1","7","3","4","6","6","4","1") = "6"
    & skf21("1","7","3","4","6","6","5","1") = "6"
    & skf21("1","7","3","4","6","6","6","1") = "6"
    & skf21("1","7","3","4","6","6","7","1") = "6"
    & skf21("1","7","3","4","6","7","1","1") = "6"
    & skf21("1","7","3","4","6","7","2","1") = "6"
    & skf21("1","7","3","4","6","7","3","1") = "6"
    & skf21("1","7","3","4","6","7","4","1") = "6"
    & skf21("1","7","3","4","6","7","5","1") = "6"
    & skf21("1","7","3","4","6","7","6","1") = "6"
    & skf21("1","7","3","4","6","7","7","1") = "6"
    & skf21("1","7","3","4","7","1","1","1") = "6"
    & skf21("1","7","3","4","7","1","2","1") = "6"
    & skf21("1","7","3","4","7","1","3","1") = "6"
    & skf21("1","7","3","4","7","1","4","1") = "6"
    & skf21("1","7","3","4","7","1","5","1") = "6"
    & skf21("1","7","3","4","7","1","6","1") = "6"
    & skf21("1","7","3","4","7","1","7","1") = "6"
    & skf21("1","7","3","4","7","2","1","1") = "6"
    & skf21("1","7","3","4","7","2","2","1") = "6"
    & skf21("1","7","3","4","7","2","3","1") = "6"
    & skf21("1","7","3","4","7","2","4","1") = "6"
    & skf21("1","7","3","4","7","2","5","1") = "6"
    & skf21("1","7","3","4","7","2","6","1") = "6"
    & skf21("1","7","3","4","7","2","7","1") = "6"
    & skf21("1","7","3","4","7","3","1","1") = "6"
    & skf21("1","7","3","4","7","3","2","1") = "6"
    & skf21("1","7","3","4","7","3","3","1") = "6"
    & skf21("1","7","3","4","7","3","4","1") = "6"
    & skf21("1","7","3","4","7","3","5","1") = "6"
    & skf21("1","7","3","4","7","3","6","1") = "6"
    & skf21("1","7","3","4","7","3","7","1") = "6"
    & skf21("1","7","3","4","7","4","1","1") = "6"
    & skf21("1","7","3","4","7","4","2","1") = "6"
    & skf21("1","7","3","4","7","4","3","1") = "6"
    & skf21("1","7","3","4","7","4","4","1") = "6"
    & skf21("1","7","3","4","7","4","5","1") = "6"
    & skf21("1","7","3","4","7","4","6","1") = "6"
    & skf21("1","7","3","4","7","4","7","1") = "6"
    & skf21("1","7","3","4","7","5","1","1") = "6"
    & skf21("1","7","3","4","7","5","2","1") = "6"
    & skf21("1","7","3","4","7","5","3","1") = "6"
    & skf21("1","7","3","4","7","5","4","1") = "6"
    & skf21("1","7","3","4","7","5","5","1") = "6"
    & skf21("1","7","3","4","7","5","6","1") = "6"
    & skf21("1","7","3","4","7","5","7","1") = "6"
    & skf21("1","7","3","4","7","6","1","1") = "6"
    & skf21("1","7","3","4","7","6","2","1") = "6"
    & skf21("1","7","3","4","7","6","3","1") = "6"
    & skf21("1","7","3","4","7","6","4","1") = "6"
    & skf21("1","7","3","4","7","6","5","1") = "6"
    & skf21("1","7","3","4","7","6","6","1") = "6"
    & skf21("1","7","3","4","7","6","7","1") = "6"
    & skf21("1","7","3","4","7","7","1","1") = "6"
    & skf21("1","7","3","4","7","7","2","1") = "6"
    & skf21("1","7","3","4","7","7","3","1") = "6"
    & skf21("1","7","3","4","7","7","4","1") = "6"
    & skf21("1","7","3","4","7","7","5","1") = "6"
    & skf21("1","7","3","4","7","7","6","1") = "6"
    & skf21("1","7","3","4","7","7","7","1") = "6"
    & skf21("1","7","3","5","1","1","1","1") = "6"
    & skf21("1","7","3","5","1","1","2","1") = "6"
    & skf21("1","7","3","5","1","1","3","1") = "6"
    & skf21("1","7","3","5","1","1","4","1") = "6"
    & skf21("1","7","3","5","1","1","5","1") = "6"
    & skf21("1","7","3","5","1","1","6","1") = "6"
    & skf21("1","7","3","5","1","1","7","1") = "6"
    & skf21("1","7","3","5","1","2","1","1") = "6"
    & skf21("1","7","3","5","1","2","2","1") = "6"
    & skf21("1","7","3","5","1","2","3","1") = "6"
    & skf21("1","7","3","5","1","2","4","1") = "6"
    & skf21("1","7","3","5","1","2","5","1") = "6"
    & skf21("1","7","3","5","1","2","6","1") = "6"
    & skf21("1","7","3","5","1","2","7","1") = "6"
    & skf21("1","7","3","5","1","3","1","1") = "6"
    & skf21("1","7","3","5","1","3","2","1") = "6"
    & skf21("1","7","3","5","1","3","3","1") = "6"
    & skf21("1","7","3","5","1","3","4","1") = "6"
    & skf21("1","7","3","5","1","3","5","1") = "6"
    & skf21("1","7","3","5","1","3","6","1") = "6"
    & skf21("1","7","3","5","1","3","7","1") = "6"
    & skf21("1","7","3","5","1","4","1","1") = "6"
    & skf21("1","7","3","5","1","4","2","1") = "6"
    & skf21("1","7","3","5","1","4","3","1") = "6"
    & skf21("1","7","3","5","1","4","4","1") = "6"
    & skf21("1","7","3","5","1","4","5","1") = "6"
    & skf21("1","7","3","5","1","4","6","1") = "6"
    & skf21("1","7","3","5","1","4","7","1") = "6"
    & skf21("1","7","3","5","1","5","1","1") = "6"
    & skf21("1","7","3","5","1","5","2","1") = "6"
    & skf21("1","7","3","5","1","5","3","1") = "6"
    & skf21("1","7","3","5","1","5","4","1") = "6"
    & skf21("1","7","3","5","1","5","5","1") = "6"
    & skf21("1","7","3","5","1","5","6","1") = "6"
    & skf21("1","7","3","5","1","5","7","1") = "6"
    & skf21("1","7","3","5","1","6","1","1") = "6"
    & skf21("1","7","3","5","1","6","2","1") = "6"
    & skf21("1","7","3","5","1","6","3","1") = "6"
    & skf21("1","7","3","5","1","6","4","1") = "6"
    & skf21("1","7","3","5","1","6","5","1") = "6"
    & skf21("1","7","3","5","1","6","6","1") = "6"
    & skf21("1","7","3","5","1","6","7","1") = "6"
    & skf21("1","7","3","5","1","7","1","1") = "6"
    & skf21("1","7","3","5","1","7","2","1") = "6"
    & skf21("1","7","3","5","1","7","3","1") = "6"
    & skf21("1","7","3","5","1","7","4","1") = "6"
    & skf21("1","7","3","5","1","7","5","1") = "6"
    & skf21("1","7","3","5","1","7","6","1") = "6"
    & skf21("1","7","3","5","1","7","7","1") = "6"
    & skf21("1","7","3","5","2","1","1","1") = "6"
    & skf21("1","7","3","5","2","1","2","1") = "6"
    & skf21("1","7","3","5","2","1","3","1") = "6"
    & skf21("1","7","3","5","2","1","4","1") = "6"
    & skf21("1","7","3","5","2","1","5","1") = "6"
    & skf21("1","7","3","5","2","1","6","1") = "6"
    & skf21("1","7","3","5","2","1","7","1") = "6"
    & skf21("1","7","3","5","2","2","1","1") = "6"
    & skf21("1","7","3","5","2","2","2","1") = "6"
    & skf21("1","7","3","5","2","2","3","1") = "6"
    & skf21("1","7","3","5","2","2","4","1") = "6"
    & skf21("1","7","3","5","2","2","5","1") = "6"
    & skf21("1","7","3","5","2","2","6","1") = "6"
    & skf21("1","7","3","5","2","2","7","1") = "6"
    & skf21("1","7","3","5","2","3","1","1") = "6"
    & skf21("1","7","3","5","2","3","2","1") = "6"
    & skf21("1","7","3","5","2","3","3","1") = "6"
    & skf21("1","7","3","5","2","3","4","1") = "6"
    & skf21("1","7","3","5","2","3","5","1") = "6"
    & skf21("1","7","3","5","2","3","6","1") = "6"
    & skf21("1","7","3","5","2","3","7","1") = "6"
    & skf21("1","7","3","5","2","4","1","1") = "6"
    & skf21("1","7","3","5","2","4","2","1") = "6"
    & skf21("1","7","3","5","2","4","3","1") = "6"
    & skf21("1","7","3","5","2","4","4","1") = "6"
    & skf21("1","7","3","5","2","4","5","1") = "6"
    & skf21("1","7","3","5","2","4","6","1") = "6"
    & skf21("1","7","3","5","2","4","7","1") = "6"
    & skf21("1","7","3","5","2","5","1","1") = "6"
    & skf21("1","7","3","5","2","5","2","1") = "6"
    & skf21("1","7","3","5","2","5","3","1") = "6"
    & skf21("1","7","3","5","2","5","4","1") = "6"
    & skf21("1","7","3","5","2","5","5","1") = "6"
    & skf21("1","7","3","5","2","5","6","1") = "6"
    & skf21("1","7","3","5","2","5","7","1") = "6"
    & skf21("1","7","3","5","2","6","1","1") = "6"
    & skf21("1","7","3","5","2","6","2","1") = "6"
    & skf21("1","7","3","5","2","6","3","1") = "6"
    & skf21("1","7","3","5","2","6","4","1") = "6"
    & skf21("1","7","3","5","2","6","5","1") = "6"
    & skf21("1","7","3","5","2","6","6","1") = "6"
    & skf21("1","7","3","5","2","6","7","1") = "6"
    & skf21("1","7","3","5","2","7","1","1") = "6"
    & skf21("1","7","3","5","2","7","2","1") = "6"
    & skf21("1","7","3","5","2","7","3","1") = "6"
    & skf21("1","7","3","5","2","7","4","1") = "6"
    & skf21("1","7","3","5","2","7","5","1") = "6"
    & skf21("1","7","3","5","2","7","6","1") = "6"
    & skf21("1","7","3","5","2","7","7","1") = "6"
    & skf21("1","7","3","5","3","1","1","1") = "6"
    & skf21("1","7","3","5","3","1","2","1") = "6"
    & skf21("1","7","3","5","3","1","3","1") = "6"
    & skf21("1","7","3","5","3","1","4","1") = "6"
    & skf21("1","7","3","5","3","1","5","1") = "6"
    & skf21("1","7","3","5","3","1","6","1") = "6"
    & skf21("1","7","3","5","3","1","7","1") = "6"
    & skf21("1","7","3","5","3","2","1","1") = "6"
    & skf21("1","7","3","5","3","2","2","1") = "6"
    & skf21("1","7","3","5","3","2","3","1") = "6"
    & skf21("1","7","3","5","3","2","4","1") = "6"
    & skf21("1","7","3","5","3","2","5","1") = "6"
    & skf21("1","7","3","5","3","2","6","1") = "6"
    & skf21("1","7","3","5","3","2","7","1") = "6"
    & skf21("1","7","3","5","3","3","1","1") = "6"
    & skf21("1","7","3","5","3","3","2","1") = "6"
    & skf21("1","7","3","5","3","3","3","1") = "6"
    & skf21("1","7","3","5","3","3","4","1") = "6"
    & skf21("1","7","3","5","3","3","5","1") = "6"
    & skf21("1","7","3","5","3","3","6","1") = "6"
    & skf21("1","7","3","5","3","3","7","1") = "6"
    & skf21("1","7","3","5","3","4","1","1") = "6"
    & skf21("1","7","3","5","3","4","2","1") = "6"
    & skf21("1","7","3","5","3","4","3","1") = "6"
    & skf21("1","7","3","5","3","4","4","1") = "6"
    & skf21("1","7","3","5","3","4","5","1") = "6"
    & skf21("1","7","3","5","3","4","6","1") = "6"
    & skf21("1","7","3","5","3","4","7","1") = "6"
    & skf21("1","7","3","5","3","5","1","1") = "6"
    & skf21("1","7","3","5","3","5","2","1") = "6"
    & skf21("1","7","3","5","3","5","3","1") = "6"
    & skf21("1","7","3","5","3","5","4","1") = "6"
    & skf21("1","7","3","5","3","5","5","1") = "6"
    & skf21("1","7","3","5","3","5","6","1") = "6"
    & skf21("1","7","3","5","3","5","7","1") = "6"
    & skf21("1","7","3","5","3","6","1","1") = "6"
    & skf21("1","7","3","5","3","6","2","1") = "6"
    & skf21("1","7","3","5","3","6","3","1") = "6"
    & skf21("1","7","3","5","3","6","4","1") = "6"
    & skf21("1","7","3","5","3","6","5","1") = "6"
    & skf21("1","7","3","5","3","6","6","1") = "6"
    & skf21("1","7","3","5","3","6","7","1") = "6"
    & skf21("1","7","3","5","3","7","1","1") = "6"
    & skf21("1","7","3","5","3","7","2","1") = "6"
    & skf21("1","7","3","5","3","7","3","1") = "6"
    & skf21("1","7","3","5","3","7","4","1") = "6"
    & skf21("1","7","3","5","3","7","5","1") = "6"
    & skf21("1","7","3","5","3","7","6","1") = "6"
    & skf21("1","7","3","5","3","7","7","1") = "6"
    & skf21("1","7","3","5","4","1","1","1") = "6"
    & skf21("1","7","3","5","4","1","2","1") = "6"
    & skf21("1","7","3","5","4","1","3","1") = "6"
    & skf21("1","7","3","5","4","1","4","1") = "6"
    & skf21("1","7","3","5","4","1","5","1") = "6"
    & skf21("1","7","3","5","4","1","6","1") = "6"
    & skf21("1","7","3","5","4","1","7","1") = "6"
    & skf21("1","7","3","5","4","2","1","1") = "6"
    & skf21("1","7","3","5","4","2","2","1") = "6"
    & skf21("1","7","3","5","4","2","3","1") = "6"
    & skf21("1","7","3","5","4","2","4","1") = "6"
    & skf21("1","7","3","5","4","2","5","1") = "6"
    & skf21("1","7","3","5","4","2","6","1") = "6"
    & skf21("1","7","3","5","4","2","7","1") = "6"
    & skf21("1","7","3","5","4","3","1","1") = "6"
    & skf21("1","7","3","5","4","3","2","1") = "6"
    & skf21("1","7","3","5","4","3","3","1") = "6"
    & skf21("1","7","3","5","4","3","4","1") = "6"
    & skf21("1","7","3","5","4","3","5","1") = "6"
    & skf21("1","7","3","5","4","3","6","1") = "6"
    & skf21("1","7","3","5","4","3","7","1") = "6"
    & skf21("1","7","3","5","4","4","1","1") = "6"
    & skf21("1","7","3","5","4","4","2","1") = "6"
    & skf21("1","7","3","5","4","4","3","1") = "6"
    & skf21("1","7","3","5","4","4","4","1") = "6"
    & skf21("1","7","3","5","4","4","5","1") = "6"
    & skf21("1","7","3","5","4","4","6","1") = "6"
    & skf21("1","7","3","5","4","4","7","1") = "6"
    & skf21("1","7","3","5","4","5","1","1") = "6"
    & skf21("1","7","3","5","4","5","2","1") = "6"
    & skf21("1","7","3","5","4","5","3","1") = "6"
    & skf21("1","7","3","5","4","5","4","1") = "6"
    & skf21("1","7","3","5","4","5","5","1") = "6"
    & skf21("1","7","3","5","4","5","6","1") = "6"
    & skf21("1","7","3","5","4","5","7","1") = "6"
    & skf21("1","7","3","5","4","6","1","1") = "6"
    & skf21("1","7","3","5","4","6","2","1") = "6"
    & skf21("1","7","3","5","4","6","3","1") = "6"
    & skf21("1","7","3","5","4","6","4","1") = "6"
    & skf21("1","7","3","5","4","6","5","1") = "6"
    & skf21("1","7","3","5","4","6","6","1") = "6"
    & skf21("1","7","3","5","4","6","7","1") = "6"
    & skf21("1","7","3","5","4","7","1","1") = "6"
    & skf21("1","7","3","5","4","7","2","1") = "6"
    & skf21("1","7","3","5","4","7","3","1") = "6"
    & skf21("1","7","3","5","4","7","4","1") = "6"
    & skf21("1","7","3","5","4","7","5","1") = "6"
    & skf21("1","7","3","5","4","7","6","1") = "6"
    & skf21("1","7","3","5","4","7","7","1") = "6"
    & skf21("1","7","3","5","5","1","1","1") = "6"
    & skf21("1","7","3","5","5","1","2","1") = "6"
    & skf21("1","7","3","5","5","1","3","1") = "6"
    & skf21("1","7","3","5","5","1","4","1") = "6"
    & skf21("1","7","3","5","5","1","5","1") = "6"
    & skf21("1","7","3","5","5","1","6","1") = "6"
    & skf21("1","7","3","5","5","1","7","1") = "6"
    & skf21("1","7","3","5","5","2","1","1") = "6"
    & skf21("1","7","3","5","5","2","2","1") = "6"
    & skf21("1","7","3","5","5","2","3","1") = "6"
    & skf21("1","7","3","5","5","2","4","1") = "6"
    & skf21("1","7","3","5","5","2","5","1") = "6"
    & skf21("1","7","3","5","5","2","6","1") = "6"
    & skf21("1","7","3","5","5","2","7","1") = "6"
    & skf21("1","7","3","5","5","3","1","1") = "6"
    & skf21("1","7","3","5","5","3","2","1") = "6"
    & skf21("1","7","3","5","5","3","3","1") = "6"
    & skf21("1","7","3","5","5","3","4","1") = "6"
    & skf21("1","7","3","5","5","3","5","1") = "6"
    & skf21("1","7","3","5","5","3","6","1") = "6"
    & skf21("1","7","3","5","5","3","7","1") = "6"
    & skf21("1","7","3","5","5","4","1","1") = "6"
    & skf21("1","7","3","5","5","4","2","1") = "6"
    & skf21("1","7","3","5","5","4","3","1") = "6"
    & skf21("1","7","3","5","5","4","4","1") = "6"
    & skf21("1","7","3","5","5","4","5","1") = "6"
    & skf21("1","7","3","5","5","4","6","1") = "6"
    & skf21("1","7","3","5","5","4","7","1") = "6"
    & skf21("1","7","3","5","5","5","1","1") = "6"
    & skf21("1","7","3","5","5","5","2","1") = "6"
    & skf21("1","7","3","5","5","5","3","1") = "6"
    & skf21("1","7","3","5","5","5","4","1") = "6"
    & skf21("1","7","3","5","5","5","5","1") = "6"
    & skf21("1","7","3","5","5","5","6","1") = "6"
    & skf21("1","7","3","5","5","5","7","1") = "6"
    & skf21("1","7","3","5","5","6","1","1") = "6"
    & skf21("1","7","3","5","5","6","2","1") = "6"
    & skf21("1","7","3","5","5","6","3","1") = "6"
    & skf21("1","7","3","5","5","6","4","1") = "6"
    & skf21("1","7","3","5","5","6","5","1") = "6"
    & skf21("1","7","3","5","5","6","6","1") = "6"
    & skf21("1","7","3","5","5","6","7","1") = "6"
    & skf21("1","7","3","5","5","7","1","1") = "6"
    & skf21("1","7","3","5","5","7","2","1") = "6"
    & skf21("1","7","3","5","5","7","3","1") = "6"
    & skf21("1","7","3","5","5","7","4","1") = "6"
    & skf21("1","7","3","5","5","7","5","1") = "6"
    & skf21("1","7","3","5","5","7","6","1") = "6"
    & skf21("1","7","3","5","5","7","7","1") = "6"
    & skf21("1","7","3","5","6","1","1","1") = "6"
    & skf21("1","7","3","5","6","1","2","1") = "6"
    & skf21("1","7","3","5","6","1","3","1") = "6"
    & skf21("1","7","3","5","6","1","4","1") = "6"
    & skf21("1","7","3","5","6","1","5","1") = "6"
    & skf21("1","7","3","5","6","1","6","1") = "6"
    & skf21("1","7","3","5","6","1","7","1") = "6"
    & skf21("1","7","3","5","6","2","1","1") = "6"
    & skf21("1","7","3","5","6","2","2","1") = "6"
    & skf21("1","7","3","5","6","2","3","1") = "6"
    & skf21("1","7","3","5","6","2","4","1") = "6"
    & skf21("1","7","3","5","6","2","5","1") = "6"
    & skf21("1","7","3","5","6","2","6","1") = "6"
    & skf21("1","7","3","5","6","2","7","1") = "6"
    & skf21("1","7","3","5","6","3","1","1") = "6"
    & skf21("1","7","3","5","6","3","2","1") = "6"
    & skf21("1","7","3","5","6","3","3","1") = "6"
    & skf21("1","7","3","5","6","3","4","1") = "6"
    & skf21("1","7","3","5","6","3","5","1") = "6"
    & skf21("1","7","3","5","6","3","6","1") = "6"
    & skf21("1","7","3","5","6","3","7","1") = "6"
    & skf21("1","7","3","5","6","4","1","1") = "6"
    & skf21("1","7","3","5","6","4","2","1") = "6"
    & skf21("1","7","3","5","6","4","3","1") = "6"
    & skf21("1","7","3","5","6","4","4","1") = "6"
    & skf21("1","7","3","5","6","4","5","1") = "6"
    & skf21("1","7","3","5","6","4","6","1") = "6"
    & skf21("1","7","3","5","6","4","7","1") = "6"
    & skf21("1","7","3","5","6","5","1","1") = "6"
    & skf21("1","7","3","5","6","5","2","1") = "6"
    & skf21("1","7","3","5","6","5","3","1") = "6"
    & skf21("1","7","3","5","6","5","4","1") = "6"
    & skf21("1","7","3","5","6","5","5","1") = "6"
    & skf21("1","7","3","5","6","5","6","1") = "6"
    & skf21("1","7","3","5","6","5","7","1") = "6"
    & skf21("1","7","3","5","6","6","1","1") = "6"
    & skf21("1","7","3","5","6","6","2","1") = "6"
    & skf21("1","7","3","5","6","6","3","1") = "6"
    & skf21("1","7","3","5","6","6","4","1") = "6"
    & skf21("1","7","3","5","6","6","5","1") = "6"
    & skf21("1","7","3","5","6","6","6","1") = "6"
    & skf21("1","7","3","5","6","6","7","1") = "6"
    & skf21("1","7","3","5","6","7","1","1") = "6"
    & skf21("1","7","3","5","6","7","2","1") = "6"
    & skf21("1","7","3","5","6","7","3","1") = "6"
    & skf21("1","7","3","5","6","7","4","1") = "6"
    & skf21("1","7","3","5","6","7","5","1") = "6"
    & skf21("1","7","3","5","6","7","6","1") = "6"
    & skf21("1","7","3","5","6","7","7","1") = "6"
    & skf21("1","7","3","5","7","1","1","1") = "6"
    & skf21("1","7","3","5","7","1","2","1") = "6"
    & skf21("1","7","3","5","7","1","3","1") = "6"
    & skf21("1","7","3","5","7","1","4","1") = "6"
    & skf21("1","7","3","5","7","1","5","1") = "6"
    & skf21("1","7","3","5","7","1","6","1") = "6"
    & skf21("1","7","3","5","7","1","7","1") = "6"
    & skf21("1","7","3","5","7","2","1","1") = "6"
    & skf21("1","7","3","5","7","2","2","1") = "6"
    & skf21("1","7","3","5","7","2","3","1") = "6"
    & skf21("1","7","3","5","7","2","4","1") = "6"
    & skf21("1","7","3","5","7","2","5","1") = "6"
    & skf21("1","7","3","5","7","2","6","1") = "6"
    & skf21("1","7","3","5","7","2","7","1") = "6"
    & skf21("1","7","3","5","7","3","1","1") = "6"
    & skf21("1","7","3","5","7","3","2","1") = "6"
    & skf21("1","7","3","5","7","3","3","1") = "6"
    & skf21("1","7","3","5","7","3","4","1") = "6"
    & skf21("1","7","3","5","7","3","5","1") = "6"
    & skf21("1","7","3","5","7","3","6","1") = "6"
    & skf21("1","7","3","5","7","3","7","1") = "6"
    & skf21("1","7","3","5","7","4","1","1") = "6"
    & skf21("1","7","3","5","7","4","2","1") = "6"
    & skf21("1","7","3","5","7","4","3","1") = "6"
    & skf21("1","7","3","5","7","4","4","1") = "6"
    & skf21("1","7","3","5","7","4","5","1") = "6"
    & skf21("1","7","3","5","7","4","6","1") = "6"
    & skf21("1","7","3","5","7","4","7","1") = "6"
    & skf21("1","7","3","5","7","5","1","1") = "6"
    & skf21("1","7","3","5","7","5","2","1") = "6"
    & skf21("1","7","3","5","7","5","3","1") = "6"
    & skf21("1","7","3","5","7","5","4","1") = "6"
    & skf21("1","7","3","5","7","5","5","1") = "6"
    & skf21("1","7","3","5","7","5","6","1") = "6"
    & skf21("1","7","3","5","7","5","7","1") = "6"
    & skf21("1","7","3","5","7","6","1","1") = "6"
    & skf21("1","7","3","5","7","6","2","1") = "6"
    & skf21("1","7","3","5","7","6","3","1") = "6"
    & skf21("1","7","3","5","7","6","4","1") = "6"
    & skf21("1","7","3","5","7","6","5","1") = "6"
    & skf21("1","7","3","5","7","6","6","1") = "6"
    & skf21("1","7","3","5","7","6","7","1") = "6"
    & skf21("1","7","3","5","7","7","1","1") = "6"
    & skf21("1","7","3","5","7","7","2","1") = "6"
    & skf21("1","7","3","5","7","7","3","1") = "6"
    & skf21("1","7","3","5","7","7","4","1") = "6"
    & skf21("1","7","3","5","7","7","5","1") = "6"
    & skf21("1","7","3","5","7","7","6","1") = "6"
    & skf21("1","7","3","5","7","7","7","1") = "6"
    & skf21("1","7","3","6","1","1","1","1") = "6"
    & skf21("1","7","3","6","1","1","2","1") = "6"
    & skf21("1","7","3","6","1","1","3","1") = "6"
    & skf21("1","7","3","6","1","1","4","1") = "6"
    & skf21("1","7","3","6","1","1","5","1") = "6"
    & skf21("1","7","3","6","1","1","6","1") = "6"
    & skf21("1","7","3","6","1","1","7","1") = "6"
    & skf21("1","7","3","6","1","2","1","1") = "6"
    & skf21("1","7","3","6","1","2","2","1") = "6"
    & skf21("1","7","3","6","1","2","3","1") = "6"
    & skf21("1","7","3","6","1","2","4","1") = "6"
    & skf21("1","7","3","6","1","2","5","1") = "6"
    & skf21("1","7","3","6","1","2","6","1") = "6"
    & skf21("1","7","3","6","1","2","7","1") = "6"
    & skf21("1","7","3","6","1","3","1","1") = "6"
    & skf21("1","7","3","6","1","3","2","1") = "6"
    & skf21("1","7","3","6","1","3","3","1") = "6"
    & skf21("1","7","3","6","1","3","4","1") = "6"
    & skf21("1","7","3","6","1","3","5","1") = "6"
    & skf21("1","7","3","6","1","3","6","1") = "6"
    & skf21("1","7","3","6","1","3","7","1") = "6"
    & skf21("1","7","3","6","1","4","1","1") = "6"
    & skf21("1","7","3","6","1","4","2","1") = "6"
    & skf21("1","7","3","6","1","4","3","1") = "6"
    & skf21("1","7","3","6","1","4","4","1") = "6"
    & skf21("1","7","3","6","1","4","5","1") = "6"
    & skf21("1","7","3","6","1","4","6","1") = "6"
    & skf21("1","7","3","6","1","4","7","1") = "6"
    & skf21("1","7","3","6","1","5","1","1") = "6"
    & skf21("1","7","3","6","1","5","2","1") = "6"
    & skf21("1","7","3","6","1","5","3","1") = "6"
    & skf21("1","7","3","6","1","5","4","1") = "6"
    & skf21("1","7","3","6","1","5","5","1") = "6"
    & skf21("1","7","3","6","1","5","6","1") = "6"
    & skf21("1","7","3","6","1","5","7","1") = "6"
    & skf21("1","7","3","6","1","6","1","1") = "6"
    & skf21("1","7","3","6","1","6","2","1") = "6"
    & skf21("1","7","3","6","1","6","3","1") = "6"
    & skf21("1","7","3","6","1","6","4","1") = "6"
    & skf21("1","7","3","6","1","6","5","1") = "6"
    & skf21("1","7","3","6","1","6","6","1") = "6"
    & skf21("1","7","3","6","1","6","7","1") = "6"
    & skf21("1","7","3","6","1","7","1","1") = "6"
    & skf21("1","7","3","6","1","7","2","1") = "6"
    & skf21("1","7","3","6","1","7","3","1") = "6"
    & skf21("1","7","3","6","1","7","4","1") = "6"
    & skf21("1","7","3","6","1","7","5","1") = "6"
    & skf21("1","7","3","6","1","7","6","1") = "6"
    & skf21("1","7","3","6","1","7","7","1") = "6"
    & skf21("1","7","3","6","2","1","1","1") = "6"
    & skf21("1","7","3","6","2","1","2","1") = "6"
    & skf21("1","7","3","6","2","1","3","1") = "6"
    & skf21("1","7","3","6","2","1","4","1") = "6"
    & skf21("1","7","3","6","2","1","5","1") = "6"
    & skf21("1","7","3","6","2","1","6","1") = "6"
    & skf21("1","7","3","6","2","1","7","1") = "6"
    & skf21("1","7","3","6","2","2","1","1") = "6"
    & skf21("1","7","3","6","2","2","2","1") = "6"
    & skf21("1","7","3","6","2","2","3","1") = "6"
    & skf21("1","7","3","6","2","2","4","1") = "6"
    & skf21("1","7","3","6","2","2","5","1") = "6"
    & skf21("1","7","3","6","2","2","6","1") = "6"
    & skf21("1","7","3","6","2","2","7","1") = "6"
    & skf21("1","7","3","6","2","3","1","1") = "6"
    & skf21("1","7","3","6","2","3","2","1") = "6"
    & skf21("1","7","3","6","2","3","3","1") = "6"
    & skf21("1","7","3","6","2","3","4","1") = "6"
    & skf21("1","7","3","6","2","3","5","1") = "6"
    & skf21("1","7","3","6","2","3","6","1") = "6"
    & skf21("1","7","3","6","2","3","7","1") = "6"
    & skf21("1","7","3","6","2","4","1","1") = "6"
    & skf21("1","7","3","6","2","4","2","1") = "6"
    & skf21("1","7","3","6","2","4","3","1") = "6"
    & skf21("1","7","3","6","2","4","4","1") = "6"
    & skf21("1","7","3","6","2","4","5","1") = "6"
    & skf21("1","7","3","6","2","4","6","1") = "6"
    & skf21("1","7","3","6","2","4","7","1") = "6"
    & skf21("1","7","3","6","2","5","1","1") = "6"
    & skf21("1","7","3","6","2","5","2","1") = "6"
    & skf21("1","7","3","6","2","5","3","1") = "6"
    & skf21("1","7","3","6","2","5","4","1") = "6"
    & skf21("1","7","3","6","2","5","5","1") = "6"
    & skf21("1","7","3","6","2","5","6","1") = "6"
    & skf21("1","7","3","6","2","5","7","1") = "6"
    & skf21("1","7","3","6","2","6","1","1") = "6"
    & skf21("1","7","3","6","2","6","2","1") = "6"
    & skf21("1","7","3","6","2","6","3","1") = "6"
    & skf21("1","7","3","6","2","6","4","1") = "6"
    & skf21("1","7","3","6","2","6","5","1") = "6"
    & skf21("1","7","3","6","2","6","6","1") = "6"
    & skf21("1","7","3","6","2","6","7","1") = "6"
    & skf21("1","7","3","6","2","7","1","1") = "6"
    & skf21("1","7","3","6","2","7","2","1") = "6"
    & skf21("1","7","3","6","2","7","3","1") = "6"
    & skf21("1","7","3","6","2","7","4","1") = "6"
    & skf21("1","7","3","6","2","7","5","1") = "6"
    & skf21("1","7","3","6","2","7","6","1") = "6"
    & skf21("1","7","3","6","2","7","7","1") = "6"
    & skf21("1","7","3","6","3","1","1","1") = "6"
    & skf21("1","7","3","6","3","1","2","1") = "6"
    & skf21("1","7","3","6","3","1","3","1") = "6"
    & skf21("1","7","3","6","3","1","4","1") = "6"
    & skf21("1","7","3","6","3","1","5","1") = "6"
    & skf21("1","7","3","6","3","1","6","1") = "6"
    & skf21("1","7","3","6","3","1","7","1") = "6"
    & skf21("1","7","3","6","3","2","1","1") = "6"
    & skf21("1","7","3","6","3","2","2","1") = "6"
    & skf21("1","7","3","6","3","2","3","1") = "6"
    & skf21("1","7","3","6","3","2","4","1") = "6"
    & skf21("1","7","3","6","3","2","5","1") = "6"
    & skf21("1","7","3","6","3","2","6","1") = "6"
    & skf21("1","7","3","6","3","2","7","1") = "6"
    & skf21("1","7","3","6","3","3","1","1") = "6"
    & skf21("1","7","3","6","3","3","2","1") = "6"
    & skf21("1","7","3","6","3","3","3","1") = "6"
    & skf21("1","7","3","6","3","3","4","1") = "6"
    & skf21("1","7","3","6","3","3","5","1") = "6"
    & skf21("1","7","3","6","3","3","6","1") = "6"
    & skf21("1","7","3","6","3","3","7","1") = "6"
    & skf21("1","7","3","6","3","4","1","1") = "6"
    & skf21("1","7","3","6","3","4","2","1") = "6"
    & skf21("1","7","3","6","3","4","3","1") = "6"
    & skf21("1","7","3","6","3","4","4","1") = "6"
    & skf21("1","7","3","6","3","4","5","1") = "6"
    & skf21("1","7","3","6","3","4","6","1") = "6"
    & skf21("1","7","3","6","3","4","7","1") = "6"
    & skf21("1","7","3","6","3","5","1","1") = "6"
    & skf21("1","7","3","6","3","5","2","1") = "6"
    & skf21("1","7","3","6","3","5","3","1") = "6"
    & skf21("1","7","3","6","3","5","4","1") = "6"
    & skf21("1","7","3","6","3","5","5","1") = "6"
    & skf21("1","7","3","6","3","5","6","1") = "6"
    & skf21("1","7","3","6","3","5","7","1") = "6"
    & skf21("1","7","3","6","3","6","1","1") = "6"
    & skf21("1","7","3","6","3","6","2","1") = "6"
    & skf21("1","7","3","6","3","6","3","1") = "6"
    & skf21("1","7","3","6","3","6","4","1") = "6"
    & skf21("1","7","3","6","3","6","5","1") = "6"
    & skf21("1","7","3","6","3","6","6","1") = "6"
    & skf21("1","7","3","6","3","6","7","1") = "6"
    & skf21("1","7","3","6","3","7","1","1") = "6"
    & skf21("1","7","3","6","3","7","2","1") = "6"
    & skf21("1","7","3","6","3","7","3","1") = "6"
    & skf21("1","7","3","6","3","7","4","1") = "6"
    & skf21("1","7","3","6","3","7","5","1") = "6"
    & skf21("1","7","3","6","3","7","6","1") = "6"
    & skf21("1","7","3","6","3","7","7","1") = "6"
    & skf21("1","7","3","6","4","1","1","1") = "6"
    & skf21("1","7","3","6","4","1","2","1") = "6"
    & skf21("1","7","3","6","4","1","3","1") = "6"
    & skf21("1","7","3","6","4","1","4","1") = "6"
    & skf21("1","7","3","6","4","1","5","1") = "6"
    & skf21("1","7","3","6","4","1","6","1") = "6"
    & skf21("1","7","3","6","4","1","7","1") = "6"
    & skf21("1","7","3","6","4","2","1","1") = "6"
    & skf21("1","7","3","6","4","2","2","1") = "6"
    & skf21("1","7","3","6","4","2","3","1") = "6"
    & skf21("1","7","3","6","4","2","4","1") = "6"
    & skf21("1","7","3","6","4","2","5","1") = "6"
    & skf21("1","7","3","6","4","2","6","1") = "6"
    & skf21("1","7","3","6","4","2","7","1") = "6"
    & skf21("1","7","3","6","4","3","1","1") = "6"
    & skf21("1","7","3","6","4","3","2","1") = "6"
    & skf21("1","7","3","6","4","3","3","1") = "6"
    & skf21("1","7","3","6","4","3","4","1") = "6"
    & skf21("1","7","3","6","4","3","5","1") = "6"
    & skf21("1","7","3","6","4","3","6","1") = "6"
    & skf21("1","7","3","6","4","3","7","1") = "6"
    & skf21("1","7","3","6","4","4","1","1") = "6"
    & skf21("1","7","3","6","4","4","2","1") = "6"
    & skf21("1","7","3","6","4","4","3","1") = "6"
    & skf21("1","7","3","6","4","4","4","1") = "6"
    & skf21("1","7","3","6","4","4","5","1") = "6"
    & skf21("1","7","3","6","4","4","6","1") = "6"
    & skf21("1","7","3","6","4","4","7","1") = "6"
    & skf21("1","7","3","6","4","5","1","1") = "6"
    & skf21("1","7","3","6","4","5","2","1") = "6"
    & skf21("1","7","3","6","4","5","3","1") = "6"
    & skf21("1","7","3","6","4","5","4","1") = "6"
    & skf21("1","7","3","6","4","5","5","1") = "6"
    & skf21("1","7","3","6","4","5","6","1") = "6"
    & skf21("1","7","3","6","4","5","7","1") = "6"
    & skf21("1","7","3","6","4","6","1","1") = "6"
    & skf21("1","7","3","6","4","6","2","1") = "6"
    & skf21("1","7","3","6","4","6","3","1") = "6"
    & skf21("1","7","3","6","4","6","4","1") = "6"
    & skf21("1","7","3","6","4","6","5","1") = "6"
    & skf21("1","7","3","6","4","6","6","1") = "6"
    & skf21("1","7","3","6","4","6","7","1") = "6"
    & skf21("1","7","3","6","4","7","1","1") = "6"
    & skf21("1","7","3","6","4","7","2","1") = "6"
    & skf21("1","7","3","6","4","7","3","1") = "6"
    & skf21("1","7","3","6","4","7","4","1") = "6"
    & skf21("1","7","3","6","4","7","5","1") = "6"
    & skf21("1","7","3","6","4","7","6","1") = "6"
    & skf21("1","7","3","6","4","7","7","1") = "6"
    & skf21("1","7","3","6","5","1","1","1") = "6"
    & skf21("1","7","3","6","5","1","2","1") = "6"
    & skf21("1","7","3","6","5","1","3","1") = "6"
    & skf21("1","7","3","6","5","1","4","1") = "6"
    & skf21("1","7","3","6","5","1","5","1") = "6"
    & skf21("1","7","3","6","5","1","6","1") = "6"
    & skf21("1","7","3","6","5","1","7","1") = "6"
    & skf21("1","7","3","6","5","2","1","1") = "6"
    & skf21("1","7","3","6","5","2","2","1") = "6"
    & skf21("1","7","3","6","5","2","3","1") = "6"
    & skf21("1","7","3","6","5","2","4","1") = "6"
    & skf21("1","7","3","6","5","2","5","1") = "6"
    & skf21("1","7","3","6","5","2","6","1") = "6"
    & skf21("1","7","3","6","5","2","7","1") = "6"
    & skf21("1","7","3","6","5","3","1","1") = "6"
    & skf21("1","7","3","6","5","3","2","1") = "6"
    & skf21("1","7","3","6","5","3","3","1") = "6"
    & skf21("1","7","3","6","5","3","4","1") = "6"
    & skf21("1","7","3","6","5","3","5","1") = "6"
    & skf21("1","7","3","6","5","3","6","1") = "6"
    & skf21("1","7","3","6","5","3","7","1") = "6"
    & skf21("1","7","3","6","5","4","1","1") = "6"
    & skf21("1","7","3","6","5","4","2","1") = "6"
    & skf21("1","7","3","6","5","4","3","1") = "6"
    & skf21("1","7","3","6","5","4","4","1") = "6"
    & skf21("1","7","3","6","5","4","5","1") = "6"
    & skf21("1","7","3","6","5","4","6","1") = "6"
    & skf21("1","7","3","6","5","4","7","1") = "6"
    & skf21("1","7","3","6","5","5","1","1") = "6"
    & skf21("1","7","3","6","5","5","2","1") = "6"
    & skf21("1","7","3","6","5","5","3","1") = "6"
    & skf21("1","7","3","6","5","5","4","1") = "6"
    & skf21("1","7","3","6","5","5","5","1") = "6"
    & skf21("1","7","3","6","5","5","6","1") = "6"
    & skf21("1","7","3","6","5","5","7","1") = "6"
    & skf21("1","7","3","6","5","6","1","1") = "6"
    & skf21("1","7","3","6","5","6","2","1") = "6"
    & skf21("1","7","3","6","5","6","3","1") = "6"
    & skf21("1","7","3","6","5","6","4","1") = "6"
    & skf21("1","7","3","6","5","6","5","1") = "6"
    & skf21("1","7","3","6","5","6","6","1") = "6"
    & skf21("1","7","3","6","5","6","7","1") = "6"
    & skf21("1","7","3","6","5","7","1","1") = "6"
    & skf21("1","7","3","6","5","7","2","1") = "6"
    & skf21("1","7","3","6","5","7","3","1") = "6"
    & skf21("1","7","3","6","5","7","4","1") = "6"
    & skf21("1","7","3","6","5","7","5","1") = "6"
    & skf21("1","7","3","6","5","7","6","1") = "6"
    & skf21("1","7","3","6","5","7","7","1") = "6"
    & skf21("1","7","3","6","6","1","1","1") = "6"
    & skf21("1","7","3","6","6","1","2","1") = "6"
    & skf21("1","7","3","6","6","1","3","1") = "6"
    & skf21("1","7","3","6","6","1","4","1") = "6"
    & skf21("1","7","3","6","6","1","5","1") = "6"
    & skf21("1","7","3","6","6","1","6","1") = "6"
    & skf21("1","7","3","6","6","1","7","1") = "6"
    & skf21("1","7","3","6","6","2","1","1") = "6"
    & skf21("1","7","3","6","6","2","2","1") = "6"
    & skf21("1","7","3","6","6","2","3","1") = "6"
    & skf21("1","7","3","6","6","2","4","1") = "6"
    & skf21("1","7","3","6","6","2","5","1") = "6"
    & skf21("1","7","3","6","6","2","6","1") = "6"
    & skf21("1","7","3","6","6","2","7","1") = "6"
    & skf21("1","7","3","6","6","3","1","1") = "6"
    & skf21("1","7","3","6","6","3","2","1") = "6"
    & skf21("1","7","3","6","6","3","3","1") = "6"
    & skf21("1","7","3","6","6","3","4","1") = "6"
    & skf21("1","7","3","6","6","3","5","1") = "6"
    & skf21("1","7","3","6","6","3","6","1") = "6"
    & skf21("1","7","3","6","6","3","7","1") = "6"
    & skf21("1","7","3","6","6","4","1","1") = "6"
    & skf21("1","7","3","6","6","4","2","1") = "6"
    & skf21("1","7","3","6","6","4","3","1") = "6"
    & skf21("1","7","3","6","6","4","4","1") = "6"
    & skf21("1","7","3","6","6","4","5","1") = "6"
    & skf21("1","7","3","6","6","4","6","1") = "6"
    & skf21("1","7","3","6","6","4","7","1") = "6"
    & skf21("1","7","3","6","6","5","1","1") = "6"
    & skf21("1","7","3","6","6","5","2","1") = "6"
    & skf21("1","7","3","6","6","5","3","1") = "6"
    & skf21("1","7","3","6","6","5","4","1") = "6"
    & skf21("1","7","3","6","6","5","5","1") = "6"
    & skf21("1","7","3","6","6","5","6","1") = "6"
    & skf21("1","7","3","6","6","5","7","1") = "6"
    & skf21("1","7","3","6","6","6","1","1") = "6"
    & skf21("1","7","3","6","6","6","2","1") = "6"
    & skf21("1","7","3","6","6","6","3","1") = "6"
    & skf21("1","7","3","6","6","6","4","1") = "6"
    & skf21("1","7","3","6","6","6","5","1") = "6"
    & skf21("1","7","3","6","6","6","6","1") = "6"
    & skf21("1","7","3","6","6","6","7","1") = "6"
    & skf21("1","7","3","6","6","7","1","1") = "6"
    & skf21("1","7","3","6","6","7","2","1") = "6"
    & skf21("1","7","3","6","6","7","3","1") = "6"
    & skf21("1","7","3","6","6","7","4","1") = "6"
    & skf21("1","7","3","6","6","7","5","1") = "6"
    & skf21("1","7","3","6","6","7","6","1") = "6"
    & skf21("1","7","3","6","6","7","7","1") = "6"
    & skf21("1","7","3","6","7","1","1","1") = "6"
    & skf21("1","7","3","6","7","1","2","1") = "6"
    & skf21("1","7","3","6","7","1","3","1") = "6"
    & skf21("1","7","3","6","7","1","4","1") = "6"
    & skf21("1","7","3","6","7","1","5","1") = "6"
    & skf21("1","7","3","6","7","1","6","1") = "6"
    & skf21("1","7","3","6","7","1","7","1") = "6"
    & skf21("1","7","3","6","7","2","1","1") = "6"
    & skf21("1","7","3","6","7","2","2","1") = "6"
    & skf21("1","7","3","6","7","2","3","1") = "6"
    & skf21("1","7","3","6","7","2","4","1") = "6"
    & skf21("1","7","3","6","7","2","5","1") = "6"
    & skf21("1","7","3","6","7","2","6","1") = "6"
    & skf21("1","7","3","6","7","2","7","1") = "6"
    & skf21("1","7","3","6","7","3","1","1") = "6"
    & skf21("1","7","3","6","7","3","2","1") = "6"
    & skf21("1","7","3","6","7","3","3","1") = "6"
    & skf21("1","7","3","6","7","3","4","1") = "6"
    & skf21("1","7","3","6","7","3","5","1") = "6"
    & skf21("1","7","3","6","7","3","6","1") = "6"
    & skf21("1","7","3","6","7","3","7","1") = "6"
    & skf21("1","7","3","6","7","4","1","1") = "6"
    & skf21("1","7","3","6","7","4","2","1") = "6"
    & skf21("1","7","3","6","7","4","3","1") = "6"
    & skf21("1","7","3","6","7","4","4","1") = "6"
    & skf21("1","7","3","6","7","4","5","1") = "6"
    & skf21("1","7","3","6","7","4","6","1") = "6"
    & skf21("1","7","3","6","7","4","7","1") = "6"
    & skf21("1","7","3","6","7","5","1","1") = "6"
    & skf21("1","7","3","6","7","5","2","1") = "6"
    & skf21("1","7","3","6","7","5","3","1") = "6"
    & skf21("1","7","3","6","7","5","4","1") = "6"
    & skf21("1","7","3","6","7","5","5","1") = "6"
    & skf21("1","7","3","6","7","5","6","1") = "6"
    & skf21("1","7","3","6","7","5","7","1") = "6"
    & skf21("1","7","3","6","7","6","1","1") = "6"
    & skf21("1","7","3","6","7","6","2","1") = "6"
    & skf21("1","7","3","6","7","6","3","1") = "6"
    & skf21("1","7","3","6","7","6","4","1") = "6"
    & skf21("1","7","3","6","7","6","5","1") = "6"
    & skf21("1","7","3","6","7","6","6","1") = "6"
    & skf21("1","7","3","6","7","6","7","1") = "6"
    & skf21("1","7","3","6","7","7","1","1") = "6"
    & skf21("1","7","3","6","7","7","2","1") = "6"
    & skf21("1","7","3","6","7","7","3","1") = "6"
    & skf21("1","7","3","6","7","7","4","1") = "6"
    & skf21("1","7","3","6","7","7","5","1") = "6"
    & skf21("1","7","3","6","7","7","6","1") = "6"
    & skf21("1","7","3","6","7","7","7","1") = "6"
    & skf21("1","7","3","7","1","1","1","1") = "6"
    & skf21("1","7","3","7","1","1","2","1") = "6"
    & skf21("1","7","3","7","1","1","3","1") = "6"
    & skf21("1","7","3","7","1","1","4","1") = "6"
    & skf21("1","7","3","7","1","1","5","1") = "6"
    & skf21("1","7","3","7","1","1","6","1") = "6"
    & skf21("1","7","3","7","1","1","7","1") = "6"
    & skf21("1","7","3","7","1","2","1","1") = "6"
    & skf21("1","7","3","7","1","2","2","1") = "6"
    & skf21("1","7","3","7","1","2","3","1") = "6"
    & skf21("1","7","3","7","1","2","4","1") = "6"
    & skf21("1","7","3","7","1","2","5","1") = "6"
    & skf21("1","7","3","7","1","2","6","1") = "6"
    & skf21("1","7","3","7","1","2","7","1") = "6"
    & skf21("1","7","3","7","1","3","1","1") = "6"
    & skf21("1","7","3","7","1","3","2","1") = "6"
    & skf21("1","7","3","7","1","3","3","1") = "6"
    & skf21("1","7","3","7","1","3","4","1") = "6"
    & skf21("1","7","3","7","1","3","5","1") = "6"
    & skf21("1","7","3","7","1","3","6","1") = "6"
    & skf21("1","7","3","7","1","3","7","1") = "6"
    & skf21("1","7","3","7","1","4","1","1") = "6"
    & skf21("1","7","3","7","1","4","2","1") = "6"
    & skf21("1","7","3","7","1","4","3","1") = "6"
    & skf21("1","7","3","7","1","4","4","1") = "6"
    & skf21("1","7","3","7","1","4","5","1") = "6"
    & skf21("1","7","3","7","1","4","6","1") = "6"
    & skf21("1","7","3","7","1","4","7","1") = "6"
    & skf21("1","7","3","7","1","5","1","1") = "6"
    & skf21("1","7","3","7","1","5","2","1") = "6"
    & skf21("1","7","3","7","1","5","3","1") = "6"
    & skf21("1","7","3","7","1","5","4","1") = "6"
    & skf21("1","7","3","7","1","5","5","1") = "6"
    & skf21("1","7","3","7","1","5","6","1") = "6"
    & skf21("1","7","3","7","1","5","7","1") = "6"
    & skf21("1","7","3","7","1","6","1","1") = "6"
    & skf21("1","7","3","7","1","6","2","1") = "6"
    & skf21("1","7","3","7","1","6","3","1") = "6"
    & skf21("1","7","3","7","1","6","4","1") = "6"
    & skf21("1","7","3","7","1","6","5","1") = "6"
    & skf21("1","7","3","7","1","6","6","1") = "6"
    & skf21("1","7","3","7","1","6","7","1") = "6"
    & skf21("1","7","3","7","1","7","1","1") = "6"
    & skf21("1","7","3","7","1","7","2","1") = "6"
    & skf21("1","7","3","7","1","7","3","1") = "6"
    & skf21("1","7","3","7","1","7","4","1") = "6"
    & skf21("1","7","3","7","1","7","5","1") = "6"
    & skf21("1","7","3","7","1","7","6","1") = "6"
    & skf21("1","7","3","7","1","7","7","1") = "6"
    & skf21("1","7","3","7","2","1","1","1") = "6"
    & skf21("1","7","3","7","2","1","2","1") = "6"
    & skf21("1","7","3","7","2","1","3","1") = "6"
    & skf21("1","7","3","7","2","1","4","1") = "6"
    & skf21("1","7","3","7","2","1","5","1") = "6"
    & skf21("1","7","3","7","2","1","6","1") = "6"
    & skf21("1","7","3","7","2","1","7","1") = "6"
    & skf21("1","7","3","7","2","2","1","1") = "6"
    & skf21("1","7","3","7","2","2","2","1") = "6"
    & skf21("1","7","3","7","2","2","3","1") = "6"
    & skf21("1","7","3","7","2","2","4","1") = "6"
    & skf21("1","7","3","7","2","2","5","1") = "6"
    & skf21("1","7","3","7","2","2","6","1") = "6"
    & skf21("1","7","3","7","2","2","7","1") = "6"
    & skf21("1","7","3","7","2","3","1","1") = "6"
    & skf21("1","7","3","7","2","3","2","1") = "6"
    & skf21("1","7","3","7","2","3","3","1") = "6"
    & skf21("1","7","3","7","2","3","4","1") = "6"
    & skf21("1","7","3","7","2","3","5","1") = "6"
    & skf21("1","7","3","7","2","3","6","1") = "6"
    & skf21("1","7","3","7","2","3","7","1") = "6"
    & skf21("1","7","3","7","2","4","1","1") = "6"
    & skf21("1","7","3","7","2","4","2","1") = "6"
    & skf21("1","7","3","7","2","4","3","1") = "6"
    & skf21("1","7","3","7","2","4","4","1") = "6"
    & skf21("1","7","3","7","2","4","5","1") = "6"
    & skf21("1","7","3","7","2","4","6","1") = "6"
    & skf21("1","7","3","7","2","4","7","1") = "6"
    & skf21("1","7","3","7","2","5","1","1") = "6"
    & skf21("1","7","3","7","2","5","2","1") = "6"
    & skf21("1","7","3","7","2","5","3","1") = "6"
    & skf21("1","7","3","7","2","5","4","1") = "6"
    & skf21("1","7","3","7","2","5","5","1") = "6"
    & skf21("1","7","3","7","2","5","6","1") = "6"
    & skf21("1","7","3","7","2","5","7","1") = "6"
    & skf21("1","7","3","7","2","6","1","1") = "6"
    & skf21("1","7","3","7","2","6","2","1") = "6"
    & skf21("1","7","3","7","2","6","3","1") = "6"
    & skf21("1","7","3","7","2","6","4","1") = "6"
    & skf21("1","7","3","7","2","6","5","1") = "6"
    & skf21("1","7","3","7","2","6","6","1") = "6"
    & skf21("1","7","3","7","2","6","7","1") = "6"
    & skf21("1","7","3","7","2","7","1","1") = "6"
    & skf21("1","7","3","7","2","7","2","1") = "6"
    & skf21("1","7","3","7","2","7","3","1") = "6"
    & skf21("1","7","3","7","2","7","4","1") = "6"
    & skf21("1","7","3","7","2","7","5","1") = "6"
    & skf21("1","7","3","7","2","7","6","1") = "6"
    & skf21("1","7","3","7","2","7","7","1") = "6"
    & skf21("1","7","3","7","3","1","1","1") = "6"
    & skf21("1","7","3","7","3","1","2","1") = "6"
    & skf21("1","7","3","7","3","1","3","1") = "6"
    & skf21("1","7","3","7","3","1","4","1") = "6"
    & skf21("1","7","3","7","3","1","5","1") = "6"
    & skf21("1","7","3","7","3","1","6","1") = "6"
    & skf21("1","7","3","7","3","1","7","1") = "6"
    & skf21("1","7","3","7","3","2","1","1") = "6"
    & skf21("1","7","3","7","3","2","2","1") = "6"
    & skf21("1","7","3","7","3","2","3","1") = "6"
    & skf21("1","7","3","7","3","2","4","1") = "6"
    & skf21("1","7","3","7","3","2","5","1") = "6"
    & skf21("1","7","3","7","3","2","6","1") = "6"
    & skf21("1","7","3","7","3","2","7","1") = "6"
    & skf21("1","7","3","7","3","3","1","1") = "6"
    & skf21("1","7","3","7","3","3","2","1") = "6"
    & skf21("1","7","3","7","3","3","3","1") = "6"
    & skf21("1","7","3","7","3","3","4","1") = "6"
    & skf21("1","7","3","7","3","3","5","1") = "6"
    & skf21("1","7","3","7","3","3","6","1") = "6"
    & skf21("1","7","3","7","3","3","7","1") = "6"
    & skf21("1","7","3","7","3","4","1","1") = "6"
    & skf21("1","7","3","7","3","4","2","1") = "6"
    & skf21("1","7","3","7","3","4","3","1") = "6"
    & skf21("1","7","3","7","3","4","4","1") = "6"
    & skf21("1","7","3","7","3","4","5","1") = "6"
    & skf21("1","7","3","7","3","4","6","1") = "6"
    & skf21("1","7","3","7","3","4","7","1") = "6"
    & skf21("1","7","3","7","3","5","1","1") = "6"
    & skf21("1","7","3","7","3","5","2","1") = "6"
    & skf21("1","7","3","7","3","5","3","1") = "6"
    & skf21("1","7","3","7","3","5","4","1") = "6"
    & skf21("1","7","3","7","3","5","5","1") = "6"
    & skf21("1","7","3","7","3","5","6","1") = "6"
    & skf21("1","7","3","7","3","5","7","1") = "6"
    & skf21("1","7","3","7","3","6","1","1") = "6"
    & skf21("1","7","3","7","3","6","2","1") = "6"
    & skf21("1","7","3","7","3","6","3","1") = "6"
    & skf21("1","7","3","7","3","6","4","1") = "6"
    & skf21("1","7","3","7","3","6","5","1") = "6"
    & skf21("1","7","3","7","3","6","6","1") = "6"
    & skf21("1","7","3","7","3","6","7","1") = "6"
    & skf21("1","7","3","7","3","7","1","1") = "6"
    & skf21("1","7","3","7","3","7","2","1") = "6"
    & skf21("1","7","3","7","3","7","3","1") = "6"
    & skf21("1","7","3","7","3","7","4","1") = "6"
    & skf21("1","7","3","7","3","7","5","1") = "6"
    & skf21("1","7","3","7","3","7","6","1") = "6"
    & skf21("1","7","3","7","3","7","7","1") = "6"
    & skf21("1","7","3","7","4","1","1","1") = "6"
    & skf21("1","7","3","7","4","1","2","1") = "6"
    & skf21("1","7","3","7","4","1","3","1") = "6"
    & skf21("1","7","3","7","4","1","4","1") = "6"
    & skf21("1","7","3","7","4","1","5","1") = "6"
    & skf21("1","7","3","7","4","1","6","1") = "6"
    & skf21("1","7","3","7","4","1","7","1") = "6"
    & skf21("1","7","3","7","4","2","1","1") = "6"
    & skf21("1","7","3","7","4","2","2","1") = "6"
    & skf21("1","7","3","7","4","2","3","1") = "6"
    & skf21("1","7","3","7","4","2","4","1") = "6"
    & skf21("1","7","3","7","4","2","5","1") = "6"
    & skf21("1","7","3","7","4","2","6","1") = "6"
    & skf21("1","7","3","7","4","2","7","1") = "6"
    & skf21("1","7","3","7","4","3","1","1") = "6"
    & skf21("1","7","3","7","4","3","2","1") = "6"
    & skf21("1","7","3","7","4","3","3","1") = "6"
    & skf21("1","7","3","7","4","3","4","1") = "6"
    & skf21("1","7","3","7","4","3","5","1") = "6"
    & skf21("1","7","3","7","4","3","6","1") = "6"
    & skf21("1","7","3","7","4","3","7","1") = "6"
    & skf21("1","7","3","7","4","4","1","1") = "6"
    & skf21("1","7","3","7","4","4","2","1") = "6"
    & skf21("1","7","3","7","4","4","3","1") = "6"
    & skf21("1","7","3","7","4","4","4","1") = "6"
    & skf21("1","7","3","7","4","4","5","1") = "6"
    & skf21("1","7","3","7","4","4","6","1") = "6"
    & skf21("1","7","3","7","4","4","7","1") = "6"
    & skf21("1","7","3","7","4","5","1","1") = "6"
    & skf21("1","7","3","7","4","5","2","1") = "6"
    & skf21("1","7","3","7","4","5","3","1") = "6"
    & skf21("1","7","3","7","4","5","4","1") = "6"
    & skf21("1","7","3","7","4","5","5","1") = "6"
    & skf21("1","7","3","7","4","5","6","1") = "6"
    & skf21("1","7","3","7","4","5","7","1") = "6"
    & skf21("1","7","3","7","4","6","1","1") = "6"
    & skf21("1","7","3","7","4","6","2","1") = "6"
    & skf21("1","7","3","7","4","6","3","1") = "6"
    & skf21("1","7","3","7","4","6","4","1") = "6"
    & skf21("1","7","3","7","4","6","5","1") = "6"
    & skf21("1","7","3","7","4","6","6","1") = "6"
    & skf21("1","7","3","7","4","6","7","1") = "6"
    & skf21("1","7","3","7","4","7","1","1") = "6"
    & skf21("1","7","3","7","4","7","2","1") = "6"
    & skf21("1","7","3","7","4","7","3","1") = "6"
    & skf21("1","7","3","7","4","7","4","1") = "6"
    & skf21("1","7","3","7","4","7","5","1") = "6"
    & skf21("1","7","3","7","4","7","6","1") = "6"
    & skf21("1","7","3","7","4","7","7","1") = "6"
    & skf21("1","7","3","7","5","1","1","1") = "6"
    & skf21("1","7","3","7","5","1","2","1") = "6"
    & skf21("1","7","3","7","5","1","3","1") = "6"
    & skf21("1","7","3","7","5","1","4","1") = "6"
    & skf21("1","7","3","7","5","1","5","1") = "6"
    & skf21("1","7","3","7","5","1","6","1") = "6"
    & skf21("1","7","3","7","5","1","7","1") = "6"
    & skf21("1","7","3","7","5","2","1","1") = "6"
    & skf21("1","7","3","7","5","2","2","1") = "6"
    & skf21("1","7","3","7","5","2","3","1") = "6"
    & skf21("1","7","3","7","5","2","4","1") = "6"
    & skf21("1","7","3","7","5","2","5","1") = "6"
    & skf21("1","7","3","7","5","2","6","1") = "6"
    & skf21("1","7","3","7","5","2","7","1") = "6"
    & skf21("1","7","3","7","5","3","1","1") = "6"
    & skf21("1","7","3","7","5","3","2","1") = "6"
    & skf21("1","7","3","7","5","3","3","1") = "6"
    & skf21("1","7","3","7","5","3","4","1") = "6"
    & skf21("1","7","3","7","5","3","5","1") = "6"
    & skf21("1","7","3","7","5","3","6","1") = "6"
    & skf21("1","7","3","7","5","3","7","1") = "6"
    & skf21("1","7","3","7","5","4","1","1") = "6"
    & skf21("1","7","3","7","5","4","2","1") = "6"
    & skf21("1","7","3","7","5","4","3","1") = "6"
    & skf21("1","7","3","7","5","4","4","1") = "6"
    & skf21("1","7","3","7","5","4","5","1") = "6"
    & skf21("1","7","3","7","5","4","6","1") = "6"
    & skf21("1","7","3","7","5","4","7","1") = "6"
    & skf21("1","7","3","7","5","5","1","1") = "6"
    & skf21("1","7","3","7","5","5","2","1") = "6"
    & skf21("1","7","3","7","5","5","3","1") = "6"
    & skf21("1","7","3","7","5","5","4","1") = "6"
    & skf21("1","7","3","7","5","5","5","1") = "6"
    & skf21("1","7","3","7","5","5","6","1") = "6"
    & skf21("1","7","3","7","5","5","7","1") = "6"
    & skf21("1","7","3","7","5","6","1","1") = "6"
    & skf21("1","7","3","7","5","6","2","1") = "6"
    & skf21("1","7","3","7","5","6","3","1") = "6"
    & skf21("1","7","3","7","5","6","4","1") = "6"
    & skf21("1","7","3","7","5","6","5","1") = "6"
    & skf21("1","7","3","7","5","6","6","1") = "6"
    & skf21("1","7","3","7","5","6","7","1") = "6"
    & skf21("1","7","3","7","5","7","1","1") = "6"
    & skf21("1","7","3","7","5","7","2","1") = "6"
    & skf21("1","7","3","7","5","7","3","1") = "6"
    & skf21("1","7","3","7","5","7","4","1") = "6"
    & skf21("1","7","3","7","5","7","5","1") = "6"
    & skf21("1","7","3","7","5","7","6","1") = "6"
    & skf21("1","7","3","7","5","7","7","1") = "6"
    & skf21("1","7","3","7","6","1","1","1") = "6"
    & skf21("1","7","3","7","6","1","2","1") = "6"
    & skf21("1","7","3","7","6","1","3","1") = "6"
    & skf21("1","7","3","7","6","1","4","1") = "6"
    & skf21("1","7","3","7","6","1","5","1") = "6"
    & skf21("1","7","3","7","6","1","6","1") = "6"
    & skf21("1","7","3","7","6","1","7","1") = "6"
    & skf21("1","7","3","7","6","2","1","1") = "6"
    & skf21("1","7","3","7","6","2","2","1") = "6"
    & skf21("1","7","3","7","6","2","3","1") = "6"
    & skf21("1","7","3","7","6","2","4","1") = "6"
    & skf21("1","7","3","7","6","2","5","1") = "6"
    & skf21("1","7","3","7","6","2","6","1") = "6"
    & skf21("1","7","3","7","6","2","7","1") = "6"
    & skf21("1","7","3","7","6","3","1","1") = "6"
    & skf21("1","7","3","7","6","3","2","1") = "6"
    & skf21("1","7","3","7","6","3","3","1") = "6"
    & skf21("1","7","3","7","6","3","4","1") = "6"
    & skf21("1","7","3","7","6","3","5","1") = "6"
    & skf21("1","7","3","7","6","3","6","1") = "6"
    & skf21("1","7","3","7","6","3","7","1") = "6"
    & skf21("1","7","3","7","6","4","1","1") = "6"
    & skf21("1","7","3","7","6","4","2","1") = "6"
    & skf21("1","7","3","7","6","4","3","1") = "6"
    & skf21("1","7","3","7","6","4","4","1") = "6"
    & skf21("1","7","3","7","6","4","5","1") = "6"
    & skf21("1","7","3","7","6","4","6","1") = "6"
    & skf21("1","7","3","7","6","4","7","1") = "6"
    & skf21("1","7","3","7","6","5","1","1") = "6"
    & skf21("1","7","3","7","6","5","2","1") = "6"
    & skf21("1","7","3","7","6","5","3","1") = "6"
    & skf21("1","7","3","7","6","5","4","1") = "6"
    & skf21("1","7","3","7","6","5","5","1") = "6"
    & skf21("1","7","3","7","6","5","6","1") = "6"
    & skf21("1","7","3","7","6","5","7","1") = "6"
    & skf21("1","7","3","7","6","6","1","1") = "6"
    & skf21("1","7","3","7","6","6","2","1") = "6"
    & skf21("1","7","3","7","6","6","3","1") = "6"
    & skf21("1","7","3","7","6","6","4","1") = "6"
    & skf21("1","7","3","7","6","6","5","1") = "6"
    & skf21("1","7","3","7","6","6","6","1") = "6"
    & skf21("1","7","3","7","6","6","7","1") = "6"
    & skf21("1","7","3","7","6","7","1","1") = "6"
    & skf21("1","7","3","7","6","7","2","1") = "6"
    & skf21("1","7","3","7","6","7","3","1") = "6"
    & skf21("1","7","3","7","6","7","4","1") = "6"
    & skf21("1","7","3","7","6","7","5","1") = "6"
    & skf21("1","7","3","7","6","7","6","1") = "6"
    & skf21("1","7","3","7","6","7","7","1") = "6"
    & skf21("1","7","3","7","7","1","1","1") = "6"
    & skf21("1","7","3","7","7","1","2","1") = "6"
    & skf21("1","7","3","7","7","1","3","1") = "6"
    & skf21("1","7","3","7","7","1","4","1") = "6"
    & skf21("1","7","3","7","7","1","5","1") = "6"
    & skf21("1","7","3","7","7","1","6","1") = "6"
    & skf21("1","7","3","7","7","1","7","1") = "6"
    & skf21("1","7","3","7","7","2","1","1") = "6"
    & skf21("1","7","3","7","7","2","2","1") = "6"
    & skf21("1","7","3","7","7","2","3","1") = "6"
    & skf21("1","7","3","7","7","2","4","1") = "6"
    & skf21("1","7","3","7","7","2","5","1") = "6"
    & skf21("1","7","3","7","7","2","6","1") = "6"
    & skf21("1","7","3","7","7","2","7","1") = "6"
    & skf21("1","7","3","7","7","3","1","1") = "6"
    & skf21("1","7","3","7","7","3","2","1") = "6"
    & skf21("1","7","3","7","7","3","3","1") = "6"
    & skf21("1","7","3","7","7","3","4","1") = "6"
    & skf21("1","7","3","7","7","3","5","1") = "6"
    & skf21("1","7","3","7","7","3","6","1") = "6"
    & skf21("1","7","3","7","7","3","7","1") = "6"
    & skf21("1","7","3","7","7","4","1","1") = "6"
    & skf21("1","7","3","7","7","4","2","1") = "6"
    & skf21("1","7","3","7","7","4","3","1") = "6"
    & skf21("1","7","3","7","7","4","4","1") = "6"
    & skf21("1","7","3","7","7","4","5","1") = "6"
    & skf21("1","7","3","7","7","4","6","1") = "6"
    & skf21("1","7","3","7","7","4","7","1") = "6"
    & skf21("1","7","3","7","7","5","1","1") = "6"
    & skf21("1","7","3","7","7","5","2","1") = "6"
    & skf21("1","7","3","7","7","5","3","1") = "6"
    & skf21("1","7","3","7","7","5","4","1") = "6"
    & skf21("1","7","3","7","7","5","5","1") = "6"
    & skf21("1","7","3","7","7","5","6","1") = "6"
    & skf21("1","7","3","7","7","5","7","1") = "6"
    & skf21("1","7","3","7","7","6","1","1") = "6"
    & skf21("1","7","3","7","7","6","2","1") = "6"
    & skf21("1","7","3","7","7","6","3","1") = "6"
    & skf21("1","7","3","7","7","6","4","1") = "6"
    & skf21("1","7","3","7","7","6","5","1") = "6"
    & skf21("1","7","3","7","7","6","6","1") = "6"
    & skf21("1","7","3","7","7","6","7","1") = "6"
    & skf21("1","7","3","7","7","7","1","1") = "6"
    & skf21("1","7","3","7","7","7","2","1") = "6"
    & skf21("1","7","3","7","7","7","3","1") = "6"
    & skf21("1","7","3","7","7","7","4","1") = "6"
    & skf21("1","7","3","7","7","7","5","1") = "6"
    & skf21("1","7","3","7","7","7","6","1") = "6"
    & skf21("1","7","3","7","7","7","7","1") = "6"
    & skf21("1","7","4","1","1","1","1","1") = "6"
    & skf21("1","7","4","1","1","1","2","1") = "6"
    & skf21("1","7","4","1","1","1","3","1") = "6"
    & skf21("1","7","4","1","1","1","4","1") = "6"
    & skf21("1","7","4","1","1","1","5","1") = "6"
    & skf21("1","7","4","1","1","1","6","1") = "6"
    & skf21("1","7","4","1","1","1","7","1") = "6"
    & skf21("1","7","4","1","1","2","1","1") = "6"
    & skf21("1","7","4","1","1","2","2","1") = "6"
    & skf21("1","7","4","1","1","2","3","1") = "6"
    & skf21("1","7","4","1","1","2","4","1") = "6"
    & skf21("1","7","4","1","1","2","5","1") = "6"
    & skf21("1","7","4","1","1","2","6","1") = "6"
    & skf21("1","7","4","1","1","2","7","1") = "6"
    & skf21("1","7","4","1","1","3","1","1") = "6"
    & skf21("1","7","4","1","1","3","2","1") = "6"
    & skf21("1","7","4","1","1","3","3","1") = "6"
    & skf21("1","7","4","1","1","3","4","1") = "6"
    & skf21("1","7","4","1","1","3","5","1") = "6"
    & skf21("1","7","4","1","1","3","6","1") = "6"
    & skf21("1","7","4","1","1","3","7","1") = "6"
    & skf21("1","7","4","1","1","4","1","1") = "6"
    & skf21("1","7","4","1","1","4","2","1") = "6"
    & skf21("1","7","4","1","1","4","3","1") = "6"
    & skf21("1","7","4","1","1","4","4","1") = "6"
    & skf21("1","7","4","1","1","4","5","1") = "6"
    & skf21("1","7","4","1","1","4","6","1") = "6"
    & skf21("1","7","4","1","1","4","7","1") = "6"
    & skf21("1","7","4","1","1","5","1","1") = "6"
    & skf21("1","7","4","1","1","5","2","1") = "6"
    & skf21("1","7","4","1","1","5","3","1") = "6"
    & skf21("1","7","4","1","1","5","4","1") = "6"
    & skf21("1","7","4","1","1","5","5","1") = "6"
    & skf21("1","7","4","1","1","5","6","1") = "6"
    & skf21("1","7","4","1","1","5","7","1") = "6"
    & skf21("1","7","4","1","1","6","1","1") = "6"
    & skf21("1","7","4","1","1","6","2","1") = "6"
    & skf21("1","7","4","1","1","6","3","1") = "6"
    & skf21("1","7","4","1","1","6","4","1") = "6"
    & skf21("1","7","4","1","1","6","5","1") = "6"
    & skf21("1","7","4","1","1","6","6","1") = "6"
    & skf21("1","7","4","1","1","6","7","1") = "6"
    & skf21("1","7","4","1","1","7","1","1") = "6"
    & skf21("1","7","4","1","1","7","2","1") = "6"
    & skf21("1","7","4","1","1","7","3","1") = "6"
    & skf21("1","7","4","1","1","7","4","1") = "6"
    & skf21("1","7","4","1","1","7","5","1") = "6"
    & skf21("1","7","4","1","1","7","6","1") = "6"
    & skf21("1","7","4","1","1","7","7","1") = "6"
    & skf21("1","7","4","1","2","1","1","1") = "6"
    & skf21("1","7","4","1","2","1","2","1") = "6"
    & skf21("1","7","4","1","2","1","3","1") = "6"
    & skf21("1","7","4","1","2","1","4","1") = "6"
    & skf21("1","7","4","1","2","1","5","1") = "6"
    & skf21("1","7","4","1","2","1","6","1") = "6"
    & skf21("1","7","4","1","2","1","7","1") = "6"
    & skf21("1","7","4","1","2","2","1","1") = "6"
    & skf21("1","7","4","1","2","2","2","1") = "6"
    & skf21("1","7","4","1","2","2","3","1") = "6"
    & skf21("1","7","4","1","2","2","4","1") = "6"
    & skf21("1","7","4","1","2","2","5","1") = "6"
    & skf21("1","7","4","1","2","2","6","1") = "6"
    & skf21("1","7","4","1","2","2","7","1") = "6"
    & skf21("1","7","4","1","2","3","1","1") = "6"
    & skf21("1","7","4","1","2","3","2","1") = "6"
    & skf21("1","7","4","1","2","3","3","1") = "6"
    & skf21("1","7","4","1","2","3","4","1") = "6"
    & skf21("1","7","4","1","2","3","5","1") = "6"
    & skf21("1","7","4","1","2","3","6","1") = "6"
    & skf21("1","7","4","1","2","3","7","1") = "6"
    & skf21("1","7","4","1","2","4","1","1") = "6"
    & skf21("1","7","4","1","2","4","2","1") = "6"
    & skf21("1","7","4","1","2","4","3","1") = "6"
    & skf21("1","7","4","1","2","4","4","1") = "6"
    & skf21("1","7","4","1","2","4","5","1") = "6"
    & skf21("1","7","4","1","2","4","6","1") = "6"
    & skf21("1","7","4","1","2","4","7","1") = "6"
    & skf21("1","7","4","1","2","5","1","1") = "6"
    & skf21("1","7","4","1","2","5","2","1") = "6"
    & skf21("1","7","4","1","2","5","3","1") = "6"
    & skf21("1","7","4","1","2","5","4","1") = "6"
    & skf21("1","7","4","1","2","5","5","1") = "6"
    & skf21("1","7","4","1","2","5","6","1") = "6"
    & skf21("1","7","4","1","2","5","7","1") = "6"
    & skf21("1","7","4","1","2","6","1","1") = "6"
    & skf21("1","7","4","1","2","6","2","1") = "6"
    & skf21("1","7","4","1","2","6","3","1") = "6"
    & skf21("1","7","4","1","2","6","4","1") = "6"
    & skf21("1","7","4","1","2","6","5","1") = "6"
    & skf21("1","7","4","1","2","6","6","1") = "6"
    & skf21("1","7","4","1","2","6","7","1") = "6"
    & skf21("1","7","4","1","2","7","1","1") = "6"
    & skf21("1","7","4","1","2","7","2","1") = "6"
    & skf21("1","7","4","1","2","7","3","1") = "6"
    & skf21("1","7","4","1","2","7","4","1") = "6"
    & skf21("1","7","4","1","2","7","5","1") = "6"
    & skf21("1","7","4","1","2","7","6","1") = "6"
    & skf21("1","7","4","1","2","7","7","1") = "6"
    & skf21("1","7","4","1","3","1","1","1") = "6"
    & skf21("1","7","4","1","3","1","2","1") = "6"
    & skf21("1","7","4","1","3","1","3","1") = "6"
    & skf21("1","7","4","1","3","1","4","1") = "6"
    & skf21("1","7","4","1","3","1","5","1") = "6"
    & skf21("1","7","4","1","3","1","6","1") = "6"
    & skf21("1","7","4","1","3","1","7","1") = "6"
    & skf21("1","7","4","1","3","2","1","1") = "6"
    & skf21("1","7","4","1","3","2","2","1") = "6"
    & skf21("1","7","4","1","3","2","3","1") = "6"
    & skf21("1","7","4","1","3","2","4","1") = "6"
    & skf21("1","7","4","1","3","2","5","1") = "6"
    & skf21("1","7","4","1","3","2","6","1") = "6"
    & skf21("1","7","4","1","3","2","7","1") = "6"
    & skf21("1","7","4","1","3","3","1","1") = "6"
    & skf21("1","7","4","1","3","3","2","1") = "6"
    & skf21("1","7","4","1","3","3","3","1") = "6"
    & skf21("1","7","4","1","3","3","4","1") = "6"
    & skf21("1","7","4","1","3","3","5","1") = "6"
    & skf21("1","7","4","1","3","3","6","1") = "6"
    & skf21("1","7","4","1","3","3","7","1") = "6"
    & skf21("1","7","4","1","3","4","1","1") = "6"
    & skf21("1","7","4","1","3","4","2","1") = "6"
    & skf21("1","7","4","1","3","4","3","1") = "6"
    & skf21("1","7","4","1","3","4","4","1") = "6"
    & skf21("1","7","4","1","3","4","5","1") = "6"
    & skf21("1","7","4","1","3","4","6","1") = "6"
    & skf21("1","7","4","1","3","4","7","1") = "6"
    & skf21("1","7","4","1","3","5","1","1") = "6"
    & skf21("1","7","4","1","3","5","2","1") = "6"
    & skf21("1","7","4","1","3","5","3","1") = "6"
    & skf21("1","7","4","1","3","5","4","1") = "6"
    & skf21("1","7","4","1","3","5","5","1") = "6"
    & skf21("1","7","4","1","3","5","6","1") = "6"
    & skf21("1","7","4","1","3","5","7","1") = "6"
    & skf21("1","7","4","1","3","6","1","1") = "6"
    & skf21("1","7","4","1","3","6","2","1") = "6"
    & skf21("1","7","4","1","3","6","3","1") = "6"
    & skf21("1","7","4","1","3","6","4","1") = "6"
    & skf21("1","7","4","1","3","6","5","1") = "6"
    & skf21("1","7","4","1","3","6","6","1") = "6"
    & skf21("1","7","4","1","3","6","7","1") = "6"
    & skf21("1","7","4","1","3","7","1","1") = "6"
    & skf21("1","7","4","1","3","7","2","1") = "6"
    & skf21("1","7","4","1","3","7","3","1") = "6"
    & skf21("1","7","4","1","3","7","4","1") = "6"
    & skf21("1","7","4","1","3","7","5","1") = "6"
    & skf21("1","7","4","1","3","7","6","1") = "6"
    & skf21("1","7","4","1","3","7","7","1") = "6"
    & skf21("1","7","4","1","4","1","1","1") = "6"
    & skf21("1","7","4","1","4","1","2","1") = "6"
    & skf21("1","7","4","1","4","1","3","1") = "6"
    & skf21("1","7","4","1","4","1","4","1") = "6"
    & skf21("1","7","4","1","4","1","5","1") = "6"
    & skf21("1","7","4","1","4","1","6","1") = "6"
    & skf21("1","7","4","1","4","1","7","1") = "6"
    & skf21("1","7","4","1","4","2","1","1") = "6"
    & skf21("1","7","4","1","4","2","2","1") = "6"
    & skf21("1","7","4","1","4","2","3","1") = "6"
    & skf21("1","7","4","1","4","2","4","1") = "6"
    & skf21("1","7","4","1","4","2","5","1") = "6"
    & skf21("1","7","4","1","4","2","6","1") = "6"
    & skf21("1","7","4","1","4","2","7","1") = "6"
    & skf21("1","7","4","1","4","3","1","1") = "6"
    & skf21("1","7","4","1","4","3","2","1") = "6"
    & skf21("1","7","4","1","4","3","3","1") = "6"
    & skf21("1","7","4","1","4","3","4","1") = "6"
    & skf21("1","7","4","1","4","3","5","1") = "6"
    & skf21("1","7","4","1","4","3","6","1") = "6"
    & skf21("1","7","4","1","4","3","7","1") = "6"
    & skf21("1","7","4","1","4","4","1","1") = "6"
    & skf21("1","7","4","1","4","4","2","1") = "6"
    & skf21("1","7","4","1","4","4","3","1") = "6"
    & skf21("1","7","4","1","4","4","4","1") = "6"
    & skf21("1","7","4","1","4","4","5","1") = "6"
    & skf21("1","7","4","1","4","4","6","1") = "6"
    & skf21("1","7","4","1","4","4","7","1") = "6"
    & skf21("1","7","4","1","4","5","1","1") = "6"
    & skf21("1","7","4","1","4","5","2","1") = "6"
    & skf21("1","7","4","1","4","5","3","1") = "6"
    & skf21("1","7","4","1","4","5","4","1") = "6"
    & skf21("1","7","4","1","4","5","5","1") = "6"
    & skf21("1","7","4","1","4","5","6","1") = "6"
    & skf21("1","7","4","1","4","5","7","1") = "6"
    & skf21("1","7","4","1","4","6","1","1") = "6"
    & skf21("1","7","4","1","4","6","2","1") = "6"
    & skf21("1","7","4","1","4","6","3","1") = "6"
    & skf21("1","7","4","1","4","6","4","1") = "6"
    & skf21("1","7","4","1","4","6","5","1") = "6"
    & skf21("1","7","4","1","4","6","6","1") = "6"
    & skf21("1","7","4","1","4","6","7","1") = "6"
    & skf21("1","7","4","1","4","7","1","1") = "6"
    & skf21("1","7","4","1","4","7","2","1") = "6"
    & skf21("1","7","4","1","4","7","3","1") = "6"
    & skf21("1","7","4","1","4","7","4","1") = "6"
    & skf21("1","7","4","1","4","7","5","1") = "6"
    & skf21("1","7","4","1","4","7","6","1") = "6"
    & skf21("1","7","4","1","4","7","7","1") = "6"
    & skf21("1","7","4","1","5","1","1","1") = "6"
    & skf21("1","7","4","1","5","1","2","1") = "6"
    & skf21("1","7","4","1","5","1","3","1") = "6"
    & skf21("1","7","4","1","5","1","4","1") = "6"
    & skf21("1","7","4","1","5","1","5","1") = "6"
    & skf21("1","7","4","1","5","1","6","1") = "6"
    & skf21("1","7","4","1","5","1","7","1") = "6"
    & skf21("1","7","4","1","5","2","1","1") = "6"
    & skf21("1","7","4","1","5","2","2","1") = "6"
    & skf21("1","7","4","1","5","2","3","1") = "6"
    & skf21("1","7","4","1","5","2","4","1") = "6"
    & skf21("1","7","4","1","5","2","5","1") = "6"
    & skf21("1","7","4","1","5","2","6","1") = "6"
    & skf21("1","7","4","1","5","2","7","1") = "6"
    & skf21("1","7","4","1","5","3","1","1") = "6"
    & skf21("1","7","4","1","5","3","2","1") = "6"
    & skf21("1","7","4","1","5","3","3","1") = "6"
    & skf21("1","7","4","1","5","3","4","1") = "6"
    & skf21("1","7","4","1","5","3","5","1") = "6"
    & skf21("1","7","4","1","5","3","6","1") = "6"
    & skf21("1","7","4","1","5","3","7","1") = "6"
    & skf21("1","7","4","1","5","4","1","1") = "6"
    & skf21("1","7","4","1","5","4","2","1") = "6"
    & skf21("1","7","4","1","5","4","3","1") = "6"
    & skf21("1","7","4","1","5","4","4","1") = "6"
    & skf21("1","7","4","1","5","4","5","1") = "6"
    & skf21("1","7","4","1","5","4","6","1") = "6"
    & skf21("1","7","4","1","5","4","7","1") = "6"
    & skf21("1","7","4","1","5","5","1","1") = "6"
    & skf21("1","7","4","1","5","5","2","1") = "6"
    & skf21("1","7","4","1","5","5","3","1") = "6"
    & skf21("1","7","4","1","5","5","4","1") = "6"
    & skf21("1","7","4","1","5","5","5","1") = "6"
    & skf21("1","7","4","1","5","5","6","1") = "6"
    & skf21("1","7","4","1","5","5","7","1") = "6"
    & skf21("1","7","4","1","5","6","1","1") = "6"
    & skf21("1","7","4","1","5","6","2","1") = "6"
    & skf21("1","7","4","1","5","6","3","1") = "6"
    & skf21("1","7","4","1","5","6","4","1") = "6"
    & skf21("1","7","4","1","5","6","5","1") = "6"
    & skf21("1","7","4","1","5","6","6","1") = "6"
    & skf21("1","7","4","1","5","6","7","1") = "6"
    & skf21("1","7","4","1","5","7","1","1") = "6"
    & skf21("1","7","4","1","5","7","2","1") = "6"
    & skf21("1","7","4","1","5","7","3","1") = "6"
    & skf21("1","7","4","1","5","7","4","1") = "6"
    & skf21("1","7","4","1","5","7","5","1") = "6"
    & skf21("1","7","4","1","5","7","6","1") = "6"
    & skf21("1","7","4","1","5","7","7","1") = "6"
    & skf21("1","7","4","1","6","1","1","1") = "6"
    & skf21("1","7","4","1","6","1","2","1") = "6"
    & skf21("1","7","4","1","6","1","3","1") = "6"
    & skf21("1","7","4","1","6","1","4","1") = "6"
    & skf21("1","7","4","1","6","1","5","1") = "6"
    & skf21("1","7","4","1","6","1","6","1") = "6"
    & skf21("1","7","4","1","6","1","7","1") = "6"
    & skf21("1","7","4","1","6","2","1","1") = "6"
    & skf21("1","7","4","1","6","2","2","1") = "6"
    & skf21("1","7","4","1","6","2","3","1") = "6"
    & skf21("1","7","4","1","6","2","4","1") = "6"
    & skf21("1","7","4","1","6","2","5","1") = "6"
    & skf21("1","7","4","1","6","2","6","1") = "6"
    & skf21("1","7","4","1","6","2","7","1") = "6"
    & skf21("1","7","4","1","6","3","1","1") = "6"
    & skf21("1","7","4","1","6","3","2","1") = "6"
    & skf21("1","7","4","1","6","3","3","1") = "6"
    & skf21("1","7","4","1","6","3","4","1") = "6"
    & skf21("1","7","4","1","6","3","5","1") = "6"
    & skf21("1","7","4","1","6","3","6","1") = "6"
    & skf21("1","7","4","1","6","3","7","1") = "6"
    & skf21("1","7","4","1","6","4","1","1") = "6"
    & skf21("1","7","4","1","6","4","2","1") = "6"
    & skf21("1","7","4","1","6","4","3","1") = "6"
    & skf21("1","7","4","1","6","4","4","1") = "6"
    & skf21("1","7","4","1","6","4","5","1") = "6"
    & skf21("1","7","4","1","6","4","6","1") = "6"
    & skf21("1","7","4","1","6","4","7","1") = "6"
    & skf21("1","7","4","1","6","5","1","1") = "6"
    & skf21("1","7","4","1","6","5","2","1") = "6"
    & skf21("1","7","4","1","6","5","3","1") = "6"
    & skf21("1","7","4","1","6","5","4","1") = "6"
    & skf21("1","7","4","1","6","5","5","1") = "6"
    & skf21("1","7","4","1","6","5","6","1") = "6"
    & skf21("1","7","4","1","6","5","7","1") = "6"
    & skf21("1","7","4","1","6","6","1","1") = "6"
    & skf21("1","7","4","1","6","6","2","1") = "6"
    & skf21("1","7","4","1","6","6","3","1") = "6"
    & skf21("1","7","4","1","6","6","4","1") = "6"
    & skf21("1","7","4","1","6","6","5","1") = "6"
    & skf21("1","7","4","1","6","6","6","1") = "6"
    & skf21("1","7","4","1","6","6","7","1") = "6"
    & skf21("1","7","4","1","6","7","1","1") = "6"
    & skf21("1","7","4","1","6","7","2","1") = "6"
    & skf21("1","7","4","1","6","7","3","1") = "6"
    & skf21("1","7","4","1","6","7","4","1") = "6"
    & skf21("1","7","4","1","6","7","5","1") = "6"
    & skf21("1","7","4","1","6","7","6","1") = "6"
    & skf21("1","7","4","1","6","7","7","1") = "6"
    & skf21("1","7","4","1","7","1","1","1") = "6"
    & skf21("1","7","4","1","7","1","2","1") = "6"
    & skf21("1","7","4","1","7","1","3","1") = "6"
    & skf21("1","7","4","1","7","1","4","1") = "6"
    & skf21("1","7","4","1","7","1","5","1") = "6"
    & skf21("1","7","4","1","7","1","6","1") = "6"
    & skf21("1","7","4","1","7","1","7","1") = "6"
    & skf21("1","7","4","1","7","2","1","1") = "6"
    & skf21("1","7","4","1","7","2","2","1") = "6"
    & skf21("1","7","4","1","7","2","3","1") = "6"
    & skf21("1","7","4","1","7","2","4","1") = "6"
    & skf21("1","7","4","1","7","2","5","1") = "6"
    & skf21("1","7","4","1","7","2","6","1") = "6"
    & skf21("1","7","4","1","7","2","7","1") = "6"
    & skf21("1","7","4","1","7","3","1","1") = "6"
    & skf21("1","7","4","1","7","3","2","1") = "6"
    & skf21("1","7","4","1","7","3","3","1") = "6"
    & skf21("1","7","4","1","7","3","4","1") = "6"
    & skf21("1","7","4","1","7","3","5","1") = "6"
    & skf21("1","7","4","1","7","3","6","1") = "6"
    & skf21("1","7","4","1","7","3","7","1") = "6"
    & skf21("1","7","4","1","7","4","1","1") = "6"
    & skf21("1","7","4","1","7","4","2","1") = "6"
    & skf21("1","7","4","1","7","4","3","1") = "6"
    & skf21("1","7","4","1","7","4","4","1") = "6"
    & skf21("1","7","4","1","7","4","5","1") = "6"
    & skf21("1","7","4","1","7","4","6","1") = "6"
    & skf21("1","7","4","1","7","4","7","1") = "6"
    & skf21("1","7","4","1","7","5","1","1") = "6"
    & skf21("1","7","4","1","7","5","2","1") = "6"
    & skf21("1","7","4","1","7","5","3","1") = "6"
    & skf21("1","7","4","1","7","5","4","1") = "6"
    & skf21("1","7","4","1","7","5","5","1") = "6"
    & skf21("1","7","4","1","7","5","6","1") = "6"
    & skf21("1","7","4","1","7","5","7","1") = "6"
    & skf21("1","7","4","1","7","6","1","1") = "6"
    & skf21("1","7","4","1","7","6","2","1") = "6"
    & skf21("1","7","4","1","7","6","3","1") = "6"
    & skf21("1","7","4","1","7","6","4","1") = "6"
    & skf21("1","7","4","1","7","6","5","1") = "6"
    & skf21("1","7","4","1","7","6","6","1") = "6"
    & skf21("1","7","4","1","7","6","7","1") = "6"
    & skf21("1","7","4","1","7","7","1","1") = "6"
    & skf21("1","7","4","1","7","7","2","1") = "6"
    & skf21("1","7","4","1","7","7","3","1") = "6"
    & skf21("1","7","4","1","7","7","4","1") = "6"
    & skf21("1","7","4","1","7","7","5","1") = "6"
    & skf21("1","7","4","1","7","7","6","1") = "6"
    & skf21("1","7","4","1","7","7","7","1") = "6"
    & skf21("1","7","4","2","1","1","1","1") = "6"
    & skf21("1","7","4","2","1","1","2","1") = "6"
    & skf21("1","7","4","2","1","1","3","1") = "6"
    & skf21("1","7","4","2","1","1","4","1") = "6"
    & skf21("1","7","4","2","1","1","5","1") = "6"
    & skf21("1","7","4","2","1","1","6","1") = "6"
    & skf21("1","7","4","2","1","1","7","1") = "6"
    & skf21("1","7","4","2","1","2","1","1") = "6"
    & skf21("1","7","4","2","1","2","2","1") = "6"
    & skf21("1","7","4","2","1","2","3","1") = "6"
    & skf21("1","7","4","2","1","2","4","1") = "6"
    & skf21("1","7","4","2","1","2","5","1") = "6"
    & skf21("1","7","4","2","1","2","6","1") = "6"
    & skf21("1","7","4","2","1","2","7","1") = "6"
    & skf21("1","7","4","2","1","3","1","1") = "6"
    & skf21("1","7","4","2","1","3","2","1") = "6"
    & skf21("1","7","4","2","1","3","3","1") = "6"
    & skf21("1","7","4","2","1","3","4","1") = "6"
    & skf21("1","7","4","2","1","3","5","1") = "6"
    & skf21("1","7","4","2","1","3","6","1") = "6"
    & skf21("1","7","4","2","1","3","7","1") = "6"
    & skf21("1","7","4","2","1","4","1","1") = "6"
    & skf21("1","7","4","2","1","4","2","1") = "6"
    & skf21("1","7","4","2","1","4","3","1") = "6"
    & skf21("1","7","4","2","1","4","4","1") = "6"
    & skf21("1","7","4","2","1","4","5","1") = "6"
    & skf21("1","7","4","2","1","4","6","1") = "6"
    & skf21("1","7","4","2","1","4","7","1") = "6"
    & skf21("1","7","4","2","1","5","1","1") = "6"
    & skf21("1","7","4","2","1","5","2","1") = "6"
    & skf21("1","7","4","2","1","5","3","1") = "6"
    & skf21("1","7","4","2","1","5","4","1") = "6"
    & skf21("1","7","4","2","1","5","5","1") = "6"
    & skf21("1","7","4","2","1","5","6","1") = "6"
    & skf21("1","7","4","2","1","5","7","1") = "6"
    & skf21("1","7","4","2","1","6","1","1") = "6"
    & skf21("1","7","4","2","1","6","2","1") = "6"
    & skf21("1","7","4","2","1","6","3","1") = "6"
    & skf21("1","7","4","2","1","6","4","1") = "6"
    & skf21("1","7","4","2","1","6","5","1") = "6"
    & skf21("1","7","4","2","1","6","6","1") = "6"
    & skf21("1","7","4","2","1","6","7","1") = "6"
    & skf21("1","7","4","2","1","7","1","1") = "6"
    & skf21("1","7","4","2","1","7","2","1") = "6"
    & skf21("1","7","4","2","1","7","3","1") = "6"
    & skf21("1","7","4","2","1","7","4","1") = "6"
    & skf21("1","7","4","2","1","7","5","1") = "6"
    & skf21("1","7","4","2","1","7","6","1") = "6"
    & skf21("1","7","4","2","1","7","7","1") = "6"
    & skf21("1","7","4","2","2","1","1","1") = "6"
    & skf21("1","7","4","2","2","1","2","1") = "6"
    & skf21("1","7","4","2","2","1","3","1") = "6"
    & skf21("1","7","4","2","2","1","4","1") = "6"
    & skf21("1","7","4","2","2","1","5","1") = "6"
    & skf21("1","7","4","2","2","1","6","1") = "6"
    & skf21("1","7","4","2","2","1","7","1") = "6"
    & skf21("1","7","4","2","2","2","1","1") = "6"
    & skf21("1","7","4","2","2","2","2","1") = "6"
    & skf21("1","7","4","2","2","2","3","1") = "6"
    & skf21("1","7","4","2","2","2","4","1") = "6"
    & skf21("1","7","4","2","2","2","5","1") = "6"
    & skf21("1","7","4","2","2","2","6","1") = "6"
    & skf21("1","7","4","2","2","2","7","1") = "6"
    & skf21("1","7","4","2","2","3","1","1") = "6"
    & skf21("1","7","4","2","2","3","2","1") = "6"
    & skf21("1","7","4","2","2","3","3","1") = "6"
    & skf21("1","7","4","2","2","3","4","1") = "6"
    & skf21("1","7","4","2","2","3","5","1") = "6"
    & skf21("1","7","4","2","2","3","6","1") = "6"
    & skf21("1","7","4","2","2","3","7","1") = "6"
    & skf21("1","7","4","2","2","4","1","1") = "6"
    & skf21("1","7","4","2","2","4","2","1") = "6"
    & skf21("1","7","4","2","2","4","3","1") = "6"
    & skf21("1","7","4","2","2","4","4","1") = "6"
    & skf21("1","7","4","2","2","4","5","1") = "6"
    & skf21("1","7","4","2","2","4","6","1") = "6"
    & skf21("1","7","4","2","2","4","7","1") = "6"
    & skf21("1","7","4","2","2","5","1","1") = "6"
    & skf21("1","7","4","2","2","5","2","1") = "6"
    & skf21("1","7","4","2","2","5","3","1") = "6"
    & skf21("1","7","4","2","2","5","4","1") = "6"
    & skf21("1","7","4","2","2","5","5","1") = "6"
    & skf21("1","7","4","2","2","5","6","1") = "6"
    & skf21("1","7","4","2","2","5","7","1") = "6"
    & skf21("1","7","4","2","2","6","1","1") = "6"
    & skf21("1","7","4","2","2","6","2","1") = "6"
    & skf21("1","7","4","2","2","6","3","1") = "6"
    & skf21("1","7","4","2","2","6","4","1") = "6"
    & skf21("1","7","4","2","2","6","5","1") = "6"
    & skf21("1","7","4","2","2","6","6","1") = "6"
    & skf21("1","7","4","2","2","6","7","1") = "6"
    & skf21("1","7","4","2","2","7","1","1") = "6"
    & skf21("1","7","4","2","2","7","2","1") = "6"
    & skf21("1","7","4","2","2","7","3","1") = "6"
    & skf21("1","7","4","2","2","7","4","1") = "6"
    & skf21("1","7","4","2","2","7","5","1") = "6"
    & skf21("1","7","4","2","2","7","6","1") = "6"
    & skf21("1","7","4","2","2","7","7","1") = "6"
    & skf21("1","7","4","2","3","1","1","1") = "6"
    & skf21("1","7","4","2","3","1","2","1") = "6"
    & skf21("1","7","4","2","3","1","3","1") = "6"
    & skf21("1","7","4","2","3","1","4","1") = "6"
    & skf21("1","7","4","2","3","1","5","1") = "6"
    & skf21("1","7","4","2","3","1","6","1") = "6"
    & skf21("1","7","4","2","3","1","7","1") = "6"
    & skf21("1","7","4","2","3","2","1","1") = "6"
    & skf21("1","7","4","2","3","2","2","1") = "6"
    & skf21("1","7","4","2","3","2","3","1") = "6"
    & skf21("1","7","4","2","3","2","4","1") = "6"
    & skf21("1","7","4","2","3","2","5","1") = "6"
    & skf21("1","7","4","2","3","2","6","1") = "6"
    & skf21("1","7","4","2","3","2","7","1") = "6"
    & skf21("1","7","4","2","3","3","1","1") = "6"
    & skf21("1","7","4","2","3","3","2","1") = "6"
    & skf21("1","7","4","2","3","3","3","1") = "6"
    & skf21("1","7","4","2","3","3","4","1") = "6"
    & skf21("1","7","4","2","3","3","5","1") = "6"
    & skf21("1","7","4","2","3","3","6","1") = "6"
    & skf21("1","7","4","2","3","3","7","1") = "6"
    & skf21("1","7","4","2","3","4","1","1") = "6"
    & skf21("1","7","4","2","3","4","2","1") = "6"
    & skf21("1","7","4","2","3","4","3","1") = "6"
    & skf21("1","7","4","2","3","4","4","1") = "6"
    & skf21("1","7","4","2","3","4","5","1") = "6"
    & skf21("1","7","4","2","3","4","6","1") = "6"
    & skf21("1","7","4","2","3","4","7","1") = "6"
    & skf21("1","7","4","2","3","5","1","1") = "6"
    & skf21("1","7","4","2","3","5","2","1") = "6"
    & skf21("1","7","4","2","3","5","3","1") = "6"
    & skf21("1","7","4","2","3","5","4","1") = "6"
    & skf21("1","7","4","2","3","5","5","1") = "6"
    & skf21("1","7","4","2","3","5","6","1") = "6"
    & skf21("1","7","4","2","3","5","7","1") = "6"
    & skf21("1","7","4","2","3","6","1","1") = "6"
    & skf21("1","7","4","2","3","6","2","1") = "6"
    & skf21("1","7","4","2","3","6","3","1") = "6"
    & skf21("1","7","4","2","3","6","4","1") = "6"
    & skf21("1","7","4","2","3","6","5","1") = "6"
    & skf21("1","7","4","2","3","6","6","1") = "6"
    & skf21("1","7","4","2","3","6","7","1") = "6"
    & skf21("1","7","4","2","3","7","1","1") = "6"
    & skf21("1","7","4","2","3","7","2","1") = "6"
    & skf21("1","7","4","2","3","7","3","1") = "6"
    & skf21("1","7","4","2","3","7","4","1") = "6"
    & skf21("1","7","4","2","3","7","5","1") = "6"
    & skf21("1","7","4","2","3","7","6","1") = "6"
    & skf21("1","7","4","2","3","7","7","1") = "6"
    & skf21("1","7","4","2","4","1","1","1") = "6"
    & skf21("1","7","4","2","4","1","2","1") = "6"
    & skf21("1","7","4","2","4","1","3","1") = "6"
    & skf21("1","7","4","2","4","1","4","1") = "6"
    & skf21("1","7","4","2","4","1","5","1") = "6"
    & skf21("1","7","4","2","4","1","6","1") = "6"
    & skf21("1","7","4","2","4","1","7","1") = "6"
    & skf21("1","7","4","2","4","2","1","1") = "6"
    & skf21("1","7","4","2","4","2","2","1") = "6"
    & skf21("1","7","4","2","4","2","3","1") = "6"
    & skf21("1","7","4","2","4","2","4","1") = "6"
    & skf21("1","7","4","2","4","2","5","1") = "6"
    & skf21("1","7","4","2","4","2","6","1") = "6"
    & skf21("1","7","4","2","4","2","7","1") = "6"
    & skf21("1","7","4","2","4","3","1","1") = "6"
    & skf21("1","7","4","2","4","3","2","1") = "6"
    & skf21("1","7","4","2","4","3","3","1") = "6"
    & skf21("1","7","4","2","4","3","4","1") = "6"
    & skf21("1","7","4","2","4","3","5","1") = "6"
    & skf21("1","7","4","2","4","3","6","1") = "6"
    & skf21("1","7","4","2","4","3","7","1") = "6"
    & skf21("1","7","4","2","4","4","1","1") = "6"
    & skf21("1","7","4","2","4","4","2","1") = "6"
    & skf21("1","7","4","2","4","4","3","1") = "6"
    & skf21("1","7","4","2","4","4","4","1") = "6"
    & skf21("1","7","4","2","4","4","5","1") = "6"
    & skf21("1","7","4","2","4","4","6","1") = "6"
    & skf21("1","7","4","2","4","4","7","1") = "6"
    & skf21("1","7","4","2","4","5","1","1") = "6"
    & skf21("1","7","4","2","4","5","2","1") = "6"
    & skf21("1","7","4","2","4","5","3","1") = "6"
    & skf21("1","7","4","2","4","5","4","1") = "6"
    & skf21("1","7","4","2","4","5","5","1") = "6"
    & skf21("1","7","4","2","4","5","6","1") = "6"
    & skf21("1","7","4","2","4","5","7","1") = "6"
    & skf21("1","7","4","2","4","6","1","1") = "6"
    & skf21("1","7","4","2","4","6","2","1") = "6"
    & skf21("1","7","4","2","4","6","3","1") = "6"
    & skf21("1","7","4","2","4","6","4","1") = "6"
    & skf21("1","7","4","2","4","6","5","1") = "6"
    & skf21("1","7","4","2","4","6","6","1") = "6"
    & skf21("1","7","4","2","4","6","7","1") = "6"
    & skf21("1","7","4","2","4","7","1","1") = "6"
    & skf21("1","7","4","2","4","7","2","1") = "6"
    & skf21("1","7","4","2","4","7","3","1") = "6"
    & skf21("1","7","4","2","4","7","4","1") = "6"
    & skf21("1","7","4","2","4","7","5","1") = "6"
    & skf21("1","7","4","2","4","7","6","1") = "6"
    & skf21("1","7","4","2","4","7","7","1") = "6"
    & skf21("1","7","4","2","5","1","1","1") = "6"
    & skf21("1","7","4","2","5","1","2","1") = "6"
    & skf21("1","7","4","2","5","1","3","1") = "6"
    & skf21("1","7","4","2","5","1","4","1") = "6"
    & skf21("1","7","4","2","5","1","5","1") = "6"
    & skf21("1","7","4","2","5","1","6","1") = "6"
    & skf21("1","7","4","2","5","1","7","1") = "6"
    & skf21("1","7","4","2","5","2","1","1") = "6"
    & skf21("1","7","4","2","5","2","2","1") = "6"
    & skf21("1","7","4","2","5","2","3","1") = "6"
    & skf21("1","7","4","2","5","2","4","1") = "6"
    & skf21("1","7","4","2","5","2","5","1") = "6"
    & skf21("1","7","4","2","5","2","6","1") = "6"
    & skf21("1","7","4","2","5","2","7","1") = "6"
    & skf21("1","7","4","2","5","3","1","1") = "6"
    & skf21("1","7","4","2","5","3","2","1") = "6"
    & skf21("1","7","4","2","5","3","3","1") = "6"
    & skf21("1","7","4","2","5","3","4","1") = "6"
    & skf21("1","7","4","2","5","3","5","1") = "6"
    & skf21("1","7","4","2","5","3","6","1") = "6"
    & skf21("1","7","4","2","5","3","7","1") = "6"
    & skf21("1","7","4","2","5","4","1","1") = "6"
    & skf21("1","7","4","2","5","4","2","1") = "6"
    & skf21("1","7","4","2","5","4","3","1") = "6"
    & skf21("1","7","4","2","5","4","4","1") = "6"
    & skf21("1","7","4","2","5","4","5","1") = "6"
    & skf21("1","7","4","2","5","4","6","1") = "6"
    & skf21("1","7","4","2","5","4","7","1") = "6"
    & skf21("1","7","4","2","5","5","1","1") = "6"
    & skf21("1","7","4","2","5","5","2","1") = "6"
    & skf21("1","7","4","2","5","5","3","1") = "6"
    & skf21("1","7","4","2","5","5","4","1") = "6"
    & skf21("1","7","4","2","5","5","5","1") = "6"
    & skf21("1","7","4","2","5","5","6","1") = "6"
    & skf21("1","7","4","2","5","5","7","1") = "6"
    & skf21("1","7","4","2","5","6","1","1") = "6"
    & skf21("1","7","4","2","5","6","2","1") = "6"
    & skf21("1","7","4","2","5","6","3","1") = "6"
    & skf21("1","7","4","2","5","6","4","1") = "6"
    & skf21("1","7","4","2","5","6","5","1") = "6"
    & skf21("1","7","4","2","5","6","6","1") = "6"
    & skf21("1","7","4","2","5","6","7","1") = "6"
    & skf21("1","7","4","2","5","7","1","1") = "6"
    & skf21("1","7","4","2","5","7","2","1") = "6"
    & skf21("1","7","4","2","5","7","3","1") = "6"
    & skf21("1","7","4","2","5","7","4","1") = "6"
    & skf21("1","7","4","2","5","7","5","1") = "6"
    & skf21("1","7","4","2","5","7","6","1") = "6"
    & skf21("1","7","4","2","5","7","7","1") = "6"
    & skf21("1","7","4","2","6","1","1","1") = "6"
    & skf21("1","7","4","2","6","1","2","1") = "6"
    & skf21("1","7","4","2","6","1","3","1") = "6"
    & skf21("1","7","4","2","6","1","4","1") = "6"
    & skf21("1","7","4","2","6","1","5","1") = "6"
    & skf21("1","7","4","2","6","1","6","1") = "6"
    & skf21("1","7","4","2","6","1","7","1") = "6"
    & skf21("1","7","4","2","6","2","1","1") = "6"
    & skf21("1","7","4","2","6","2","2","1") = "6"
    & skf21("1","7","4","2","6","2","3","1") = "6"
    & skf21("1","7","4","2","6","2","4","1") = "6"
    & skf21("1","7","4","2","6","2","5","1") = "6"
    & skf21("1","7","4","2","6","2","6","1") = "6"
    & skf21("1","7","4","2","6","2","7","1") = "6"
    & skf21("1","7","4","2","6","3","1","1") = "6"
    & skf21("1","7","4","2","6","3","2","1") = "6"
    & skf21("1","7","4","2","6","3","3","1") = "6"
    & skf21("1","7","4","2","6","3","4","1") = "6"
    & skf21("1","7","4","2","6","3","5","1") = "6"
    & skf21("1","7","4","2","6","3","6","1") = "6"
    & skf21("1","7","4","2","6","3","7","1") = "6"
    & skf21("1","7","4","2","6","4","1","1") = "6"
    & skf21("1","7","4","2","6","4","2","1") = "6"
    & skf21("1","7","4","2","6","4","3","1") = "6"
    & skf21("1","7","4","2","6","4","4","1") = "6"
    & skf21("1","7","4","2","6","4","5","1") = "6"
    & skf21("1","7","4","2","6","4","6","1") = "6"
    & skf21("1","7","4","2","6","4","7","1") = "6"
    & skf21("1","7","4","2","6","5","1","1") = "6"
    & skf21("1","7","4","2","6","5","2","1") = "6"
    & skf21("1","7","4","2","6","5","3","1") = "6"
    & skf21("1","7","4","2","6","5","4","1") = "6"
    & skf21("1","7","4","2","6","5","5","1") = "6"
    & skf21("1","7","4","2","6","5","6","1") = "6"
    & skf21("1","7","4","2","6","5","7","1") = "6"
    & skf21("1","7","4","2","6","6","1","1") = "6"
    & skf21("1","7","4","2","6","6","2","1") = "6"
    & skf21("1","7","4","2","6","6","3","1") = "6"
    & skf21("1","7","4","2","6","6","4","1") = "6"
    & skf21("1","7","4","2","6","6","5","1") = "6"
    & skf21("1","7","4","2","6","6","6","1") = "6"
    & skf21("1","7","4","2","6","6","7","1") = "6"
    & skf21("1","7","4","2","6","7","1","1") = "6"
    & skf21("1","7","4","2","6","7","2","1") = "6"
    & skf21("1","7","4","2","6","7","3","1") = "6"
    & skf21("1","7","4","2","6","7","4","1") = "6"
    & skf21("1","7","4","2","6","7","5","1") = "6"
    & skf21("1","7","4","2","6","7","6","1") = "6"
    & skf21("1","7","4","2","6","7","7","1") = "6"
    & skf21("1","7","4","2","7","1","1","1") = "6"
    & skf21("1","7","4","2","7","1","2","1") = "6"
    & skf21("1","7","4","2","7","1","3","1") = "6"
    & skf21("1","7","4","2","7","1","4","1") = "6"
    & skf21("1","7","4","2","7","1","5","1") = "6"
    & skf21("1","7","4","2","7","1","6","1") = "6"
    & skf21("1","7","4","2","7","1","7","1") = "6"
    & skf21("1","7","4","2","7","2","1","1") = "6"
    & skf21("1","7","4","2","7","2","2","1") = "6"
    & skf21("1","7","4","2","7","2","3","1") = "6"
    & skf21("1","7","4","2","7","2","4","1") = "6"
    & skf21("1","7","4","2","7","2","5","1") = "6"
    & skf21("1","7","4","2","7","2","6","1") = "6"
    & skf21("1","7","4","2","7","2","7","1") = "6"
    & skf21("1","7","4","2","7","3","1","1") = "6"
    & skf21("1","7","4","2","7","3","2","1") = "6"
    & skf21("1","7","4","2","7","3","3","1") = "6"
    & skf21("1","7","4","2","7","3","4","1") = "6"
    & skf21("1","7","4","2","7","3","5","1") = "6"
    & skf21("1","7","4","2","7","3","6","1") = "6"
    & skf21("1","7","4","2","7","3","7","1") = "6"
    & skf21("1","7","4","2","7","4","1","1") = "6"
    & skf21("1","7","4","2","7","4","2","1") = "6"
    & skf21("1","7","4","2","7","4","3","1") = "6"
    & skf21("1","7","4","2","7","4","4","1") = "6"
    & skf21("1","7","4","2","7","4","5","1") = "6"
    & skf21("1","7","4","2","7","4","6","1") = "6"
    & skf21("1","7","4","2","7","4","7","1") = "6"
    & skf21("1","7","4","2","7","5","1","1") = "6"
    & skf21("1","7","4","2","7","5","2","1") = "6"
    & skf21("1","7","4","2","7","5","3","1") = "6"
    & skf21("1","7","4","2","7","5","4","1") = "6"
    & skf21("1","7","4","2","7","5","5","1") = "6"
    & skf21("1","7","4","2","7","5","6","1") = "6"
    & skf21("1","7","4","2","7","5","7","1") = "6"
    & skf21("1","7","4","2","7","6","1","1") = "6"
    & skf21("1","7","4","2","7","6","2","1") = "6"
    & skf21("1","7","4","2","7","6","3","1") = "6"
    & skf21("1","7","4","2","7","6","4","1") = "6"
    & skf21("1","7","4","2","7","6","5","1") = "6"
    & skf21("1","7","4","2","7","6","6","1") = "6"
    & skf21("1","7","4","2","7","6","7","1") = "6"
    & skf21("1","7","4","2","7","7","1","1") = "6"
    & skf21("1","7","4","2","7","7","2","1") = "6"
    & skf21("1","7","4","2","7","7","3","1") = "6"
    & skf21("1","7","4","2","7","7","4","1") = "6"
    & skf21("1","7","4","2","7","7","5","1") = "6"
    & skf21("1","7","4","2","7","7","6","1") = "6"
    & skf21("1","7","4","2","7","7","7","1") = "6"
    & skf21("1","7","4","3","1","1","1","1") = "6"
    & skf21("1","7","4","3","1","1","2","1") = "6"
    & skf21("1","7","4","3","1","1","3","1") = "6"
    & skf21("1","7","4","3","1","1","4","1") = "6"
    & skf21("1","7","4","3","1","1","5","1") = "6"
    & skf21("1","7","4","3","1","1","6","1") = "6"
    & skf21("1","7","4","3","1","1","7","1") = "6"
    & skf21("1","7","4","3","1","2","1","1") = "6"
    & skf21("1","7","4","3","1","2","2","1") = "6"
    & skf21("1","7","4","3","1","2","3","1") = "6"
    & skf21("1","7","4","3","1","2","4","1") = "6"
    & skf21("1","7","4","3","1","2","5","1") = "6"
    & skf21("1","7","4","3","1","2","6","1") = "6"
    & skf21("1","7","4","3","1","2","7","1") = "6"
    & skf21("1","7","4","3","1","3","1","1") = "6"
    & skf21("1","7","4","3","1","3","2","1") = "6"
    & skf21("1","7","4","3","1","3","3","1") = "6"
    & skf21("1","7","4","3","1","3","4","1") = "6"
    & skf21("1","7","4","3","1","3","5","1") = "6"
    & skf21("1","7","4","3","1","3","6","1") = "6"
    & skf21("1","7","4","3","1","3","7","1") = "6"
    & skf21("1","7","4","3","1","4","1","1") = "6"
    & skf21("1","7","4","3","1","4","2","1") = "6"
    & skf21("1","7","4","3","1","4","3","1") = "6"
    & skf21("1","7","4","3","1","4","4","1") = "6"
    & skf21("1","7","4","3","1","4","5","1") = "6"
    & skf21("1","7","4","3","1","4","6","1") = "6"
    & skf21("1","7","4","3","1","4","7","1") = "6"
    & skf21("1","7","4","3","1","5","1","1") = "6"
    & skf21("1","7","4","3","1","5","2","1") = "6"
    & skf21("1","7","4","3","1","5","3","1") = "6"
    & skf21("1","7","4","3","1","5","4","1") = "6"
    & skf21("1","7","4","3","1","5","5","1") = "6"
    & skf21("1","7","4","3","1","5","6","1") = "6"
    & skf21("1","7","4","3","1","5","7","1") = "6"
    & skf21("1","7","4","3","1","6","1","1") = "6"
    & skf21("1","7","4","3","1","6","2","1") = "6"
    & skf21("1","7","4","3","1","6","3","1") = "6"
    & skf21("1","7","4","3","1","6","4","1") = "6"
    & skf21("1","7","4","3","1","6","5","1") = "6"
    & skf21("1","7","4","3","1","6","6","1") = "6"
    & skf21("1","7","4","3","1","6","7","1") = "6"
    & skf21("1","7","4","3","1","7","1","1") = "6"
    & skf21("1","7","4","3","1","7","2","1") = "6"
    & skf21("1","7","4","3","1","7","3","1") = "6"
    & skf21("1","7","4","3","1","7","4","1") = "6"
    & skf21("1","7","4","3","1","7","5","1") = "6"
    & skf21("1","7","4","3","1","7","6","1") = "6"
    & skf21("1","7","4","3","1","7","7","1") = "6"
    & skf21("1","7","4","3","2","1","1","1") = "6"
    & skf21("1","7","4","3","2","1","2","1") = "6"
    & skf21("1","7","4","3","2","1","3","1") = "6"
    & skf21("1","7","4","3","2","1","4","1") = "6"
    & skf21("1","7","4","3","2","1","5","1") = "6"
    & skf21("1","7","4","3","2","1","6","1") = "6"
    & skf21("1","7","4","3","2","1","7","1") = "6"
    & skf21("1","7","4","3","2","2","1","1") = "6"
    & skf21("1","7","4","3","2","2","2","1") = "6"
    & skf21("1","7","4","3","2","2","3","1") = "6"
    & skf21("1","7","4","3","2","2","4","1") = "6"
    & skf21("1","7","4","3","2","2","5","1") = "6"
    & skf21("1","7","4","3","2","2","6","1") = "6"
    & skf21("1","7","4","3","2","2","7","1") = "6"
    & skf21("1","7","4","3","2","3","1","1") = "6"
    & skf21("1","7","4","3","2","3","2","1") = "6"
    & skf21("1","7","4","3","2","3","3","1") = "6"
    & skf21("1","7","4","3","2","3","4","1") = "6"
    & skf21("1","7","4","3","2","3","5","1") = "6"
    & skf21("1","7","4","3","2","3","6","1") = "6"
    & skf21("1","7","4","3","2","3","7","1") = "6"
    & skf21("1","7","4","3","2","4","1","1") = "6"
    & skf21("1","7","4","3","2","4","2","1") = "6"
    & skf21("1","7","4","3","2","4","3","1") = "6"
    & skf21("1","7","4","3","2","4","4","1") = "6"
    & skf21("1","7","4","3","2","4","5","1") = "6"
    & skf21("1","7","4","3","2","4","6","1") = "6"
    & skf21("1","7","4","3","2","4","7","1") = "6"
    & skf21("1","7","4","3","2","5","1","1") = "6"
    & skf21("1","7","4","3","2","5","2","1") = "6"
    & skf21("1","7","4","3","2","5","3","1") = "6"
    & skf21("1","7","4","3","2","5","4","1") = "6"
    & skf21("1","7","4","3","2","5","5","1") = "6"
    & skf21("1","7","4","3","2","5","6","1") = "6"
    & skf21("1","7","4","3","2","5","7","1") = "6"
    & skf21("1","7","4","3","2","6","1","1") = "6"
    & skf21("1","7","4","3","2","6","2","1") = "6"
    & skf21("1","7","4","3","2","6","3","1") = "6"
    & skf21("1","7","4","3","2","6","4","1") = "6"
    & skf21("1","7","4","3","2","6","5","1") = "6"
    & skf21("1","7","4","3","2","6","6","1") = "6"
    & skf21("1","7","4","3","2","6","7","1") = "6"
    & skf21("1","7","4","3","2","7","1","1") = "6"
    & skf21("1","7","4","3","2","7","2","1") = "6"
    & skf21("1","7","4","3","2","7","3","1") = "6"
    & skf21("1","7","4","3","2","7","4","1") = "6"
    & skf21("1","7","4","3","2","7","5","1") = "6"
    & skf21("1","7","4","3","2","7","6","1") = "6"
    & skf21("1","7","4","3","2","7","7","1") = "6"
    & skf21("1","7","4","3","3","1","1","1") = "6"
    & skf21("1","7","4","3","3","1","2","1") = "6"
    & skf21("1","7","4","3","3","1","3","1") = "6"
    & skf21("1","7","4","3","3","1","4","1") = "6"
    & skf21("1","7","4","3","3","1","5","1") = "6"
    & skf21("1","7","4","3","3","1","6","1") = "6"
    & skf21("1","7","4","3","3","1","7","1") = "6"
    & skf21("1","7","4","3","3","2","1","1") = "6"
    & skf21("1","7","4","3","3","2","2","1") = "6"
    & skf21("1","7","4","3","3","2","3","1") = "6"
    & skf21("1","7","4","3","3","2","4","1") = "6"
    & skf21("1","7","4","3","3","2","5","1") = "6"
    & skf21("1","7","4","3","3","2","6","1") = "6"
    & skf21("1","7","4","3","3","2","7","1") = "6"
    & skf21("1","7","4","3","3","3","1","1") = "6"
    & skf21("1","7","4","3","3","3","2","1") = "6"
    & skf21("1","7","4","3","3","3","3","1") = "6"
    & skf21("1","7","4","3","3","3","4","1") = "6"
    & skf21("1","7","4","3","3","3","5","1") = "6"
    & skf21("1","7","4","3","3","3","6","1") = "6"
    & skf21("1","7","4","3","3","3","7","1") = "6"
    & skf21("1","7","4","3","3","4","1","1") = "6"
    & skf21("1","7","4","3","3","4","2","1") = "6"
    & skf21("1","7","4","3","3","4","3","1") = "6"
    & skf21("1","7","4","3","3","4","4","1") = "6"
    & skf21("1","7","4","3","3","4","5","1") = "6"
    & skf21("1","7","4","3","3","4","6","1") = "6"
    & skf21("1","7","4","3","3","4","7","1") = "6"
    & skf21("1","7","4","3","3","5","1","1") = "6"
    & skf21("1","7","4","3","3","5","2","1") = "6"
    & skf21("1","7","4","3","3","5","3","1") = "6"
    & skf21("1","7","4","3","3","5","4","1") = "6"
    & skf21("1","7","4","3","3","5","5","1") = "6"
    & skf21("1","7","4","3","3","5","6","1") = "6"
    & skf21("1","7","4","3","3","5","7","1") = "6"
    & skf21("1","7","4","3","3","6","1","1") = "6"
    & skf21("1","7","4","3","3","6","2","1") = "6"
    & skf21("1","7","4","3","3","6","3","1") = "6"
    & skf21("1","7","4","3","3","6","4","1") = "6"
    & skf21("1","7","4","3","3","6","5","1") = "6"
    & skf21("1","7","4","3","3","6","6","1") = "6"
    & skf21("1","7","4","3","3","6","7","1") = "6"
    & skf21("1","7","4","3","3","7","1","1") = "6"
    & skf21("1","7","4","3","3","7","2","1") = "6"
    & skf21("1","7","4","3","3","7","3","1") = "6"
    & skf21("1","7","4","3","3","7","4","1") = "6"
    & skf21("1","7","4","3","3","7","5","1") = "6"
    & skf21("1","7","4","3","3","7","6","1") = "6"
    & skf21("1","7","4","3","3","7","7","1") = "6"
    & skf21("1","7","4","3","4","1","1","1") = "6"
    & skf21("1","7","4","3","4","1","2","1") = "6"
    & skf21("1","7","4","3","4","1","3","1") = "6"
    & skf21("1","7","4","3","4","1","4","1") = "6"
    & skf21("1","7","4","3","4","1","5","1") = "6"
    & skf21("1","7","4","3","4","1","6","1") = "6"
    & skf21("1","7","4","3","4","1","7","1") = "6"
    & skf21("1","7","4","3","4","2","1","1") = "6"
    & skf21("1","7","4","3","4","2","2","1") = "6"
    & skf21("1","7","4","3","4","2","3","1") = "6"
    & skf21("1","7","4","3","4","2","4","1") = "6"
    & skf21("1","7","4","3","4","2","5","1") = "6"
    & skf21("1","7","4","3","4","2","6","1") = "6"
    & skf21("1","7","4","3","4","2","7","1") = "6"
    & skf21("1","7","4","3","4","3","1","1") = "6"
    & skf21("1","7","4","3","4","3","2","1") = "6"
    & skf21("1","7","4","3","4","3","3","1") = "6"
    & skf21("1","7","4","3","4","3","4","1") = "6"
    & skf21("1","7","4","3","4","3","5","1") = "6"
    & skf21("1","7","4","3","4","3","6","1") = "6"
    & skf21("1","7","4","3","4","3","7","1") = "6"
    & skf21("1","7","4","3","4","4","1","1") = "6"
    & skf21("1","7","4","3","4","4","2","1") = "6"
    & skf21("1","7","4","3","4","4","3","1") = "6"
    & skf21("1","7","4","3","4","4","4","1") = "6"
    & skf21("1","7","4","3","4","4","5","1") = "6"
    & skf21("1","7","4","3","4","4","6","1") = "6"
    & skf21("1","7","4","3","4","4","7","1") = "6"
    & skf21("1","7","4","3","4","5","1","1") = "6"
    & skf21("1","7","4","3","4","5","2","1") = "6"
    & skf21("1","7","4","3","4","5","3","1") = "6"
    & skf21("1","7","4","3","4","5","4","1") = "6"
    & skf21("1","7","4","3","4","5","5","1") = "6"
    & skf21("1","7","4","3","4","5","6","1") = "6"
    & skf21("1","7","4","3","4","5","7","1") = "6"
    & skf21("1","7","4","3","4","6","1","1") = "6"
    & skf21("1","7","4","3","4","6","2","1") = "6"
    & skf21("1","7","4","3","4","6","3","1") = "6"
    & skf21("1","7","4","3","4","6","4","1") = "6"
    & skf21("1","7","4","3","4","6","5","1") = "6"
    & skf21("1","7","4","3","4","6","6","1") = "6"
    & skf21("1","7","4","3","4","6","7","1") = "6"
    & skf21("1","7","4","3","4","7","1","1") = "6"
    & skf21("1","7","4","3","4","7","2","1") = "6"
    & skf21("1","7","4","3","4","7","3","1") = "6"
    & skf21("1","7","4","3","4","7","4","1") = "6"
    & skf21("1","7","4","3","4","7","5","1") = "6"
    & skf21("1","7","4","3","4","7","6","1") = "6"
    & skf21("1","7","4","3","4","7","7","1") = "6"
    & skf21("1","7","4","3","5","1","1","1") = "6"
    & skf21("1","7","4","3","5","1","2","1") = "6"
    & skf21("1","7","4","3","5","1","3","1") = "6"
    & skf21("1","7","4","3","5","1","4","1") = "6"
    & skf21("1","7","4","3","5","1","5","1") = "6"
    & skf21("1","7","4","3","5","1","6","1") = "6"
    & skf21("1","7","4","3","5","1","7","1") = "6"
    & skf21("1","7","4","3","5","2","1","1") = "6"
    & skf21("1","7","4","3","5","2","2","1") = "6"
    & skf21("1","7","4","3","5","2","3","1") = "6"
    & skf21("1","7","4","3","5","2","4","1") = "6"
    & skf21("1","7","4","3","5","2","5","1") = "6"
    & skf21("1","7","4","3","5","2","6","1") = "6"
    & skf21("1","7","4","3","5","2","7","1") = "6"
    & skf21("1","7","4","3","5","3","1","1") = "6"
    & skf21("1","7","4","3","5","3","2","1") = "6"
    & skf21("1","7","4","3","5","3","3","1") = "6"
    & skf21("1","7","4","3","5","3","4","1") = "6"
    & skf21("1","7","4","3","5","3","5","1") = "6"
    & skf21("1","7","4","3","5","3","6","1") = "6"
    & skf21("1","7","4","3","5","3","7","1") = "6"
    & skf21("1","7","4","3","5","4","1","1") = "6"
    & skf21("1","7","4","3","5","4","2","1") = "6"
    & skf21("1","7","4","3","5","4","3","1") = "6"
    & skf21("1","7","4","3","5","4","4","1") = "6"
    & skf21("1","7","4","3","5","4","5","1") = "6"
    & skf21("1","7","4","3","5","4","6","1") = "6"
    & skf21("1","7","4","3","5","4","7","1") = "6"
    & skf21("1","7","4","3","5","5","1","1") = "6"
    & skf21("1","7","4","3","5","5","2","1") = "6"
    & skf21("1","7","4","3","5","5","3","1") = "6"
    & skf21("1","7","4","3","5","5","4","1") = "6"
    & skf21("1","7","4","3","5","5","5","1") = "6"
    & skf21("1","7","4","3","5","5","6","1") = "6"
    & skf21("1","7","4","3","5","5","7","1") = "6"
    & skf21("1","7","4","3","5","6","1","1") = "6"
    & skf21("1","7","4","3","5","6","2","1") = "6"
    & skf21("1","7","4","3","5","6","3","1") = "6"
    & skf21("1","7","4","3","5","6","4","1") = "6"
    & skf21("1","7","4","3","5","6","5","1") = "6"
    & skf21("1","7","4","3","5","6","6","1") = "6"
    & skf21("1","7","4","3","5","6","7","1") = "6"
    & skf21("1","7","4","3","5","7","1","1") = "6"
    & skf21("1","7","4","3","5","7","2","1") = "6"
    & skf21("1","7","4","3","5","7","3","1") = "6"
    & skf21("1","7","4","3","5","7","4","1") = "6"
    & skf21("1","7","4","3","5","7","5","1") = "6"
    & skf21("1","7","4","3","5","7","6","1") = "6"
    & skf21("1","7","4","3","5","7","7","1") = "6"
    & skf21("1","7","4","3","6","1","1","1") = "6"
    & skf21("1","7","4","3","6","1","2","1") = "6"
    & skf21("1","7","4","3","6","1","3","1") = "6"
    & skf21("1","7","4","3","6","1","4","1") = "6"
    & skf21("1","7","4","3","6","1","5","1") = "6"
    & skf21("1","7","4","3","6","1","6","1") = "6"
    & skf21("1","7","4","3","6","1","7","1") = "6"
    & skf21("1","7","4","3","6","2","1","1") = "6"
    & skf21("1","7","4","3","6","2","2","1") = "6"
    & skf21("1","7","4","3","6","2","3","1") = "6"
    & skf21("1","7","4","3","6","2","4","1") = "6"
    & skf21("1","7","4","3","6","2","5","1") = "6"
    & skf21("1","7","4","3","6","2","6","1") = "6"
    & skf21("1","7","4","3","6","2","7","1") = "6"
    & skf21("1","7","4","3","6","3","1","1") = "6"
    & skf21("1","7","4","3","6","3","2","1") = "6"
    & skf21("1","7","4","3","6","3","3","1") = "6"
    & skf21("1","7","4","3","6","3","4","1") = "6"
    & skf21("1","7","4","3","6","3","5","1") = "6"
    & skf21("1","7","4","3","6","3","6","1") = "6"
    & skf21("1","7","4","3","6","3","7","1") = "6"
    & skf21("1","7","4","3","6","4","1","1") = "6"
    & skf21("1","7","4","3","6","4","2","1") = "6"
    & skf21("1","7","4","3","6","4","3","1") = "6"
    & skf21("1","7","4","3","6","4","4","1") = "6"
    & skf21("1","7","4","3","6","4","5","1") = "6"
    & skf21("1","7","4","3","6","4","6","1") = "6"
    & skf21("1","7","4","3","6","4","7","1") = "6"
    & skf21("1","7","4","3","6","5","1","1") = "6"
    & skf21("1","7","4","3","6","5","2","1") = "6"
    & skf21("1","7","4","3","6","5","3","1") = "6"
    & skf21("1","7","4","3","6","5","4","1") = "6"
    & skf21("1","7","4","3","6","5","5","1") = "6"
    & skf21("1","7","4","3","6","5","6","1") = "6"
    & skf21("1","7","4","3","6","5","7","1") = "6"
    & skf21("1","7","4","3","6","6","1","1") = "6"
    & skf21("1","7","4","3","6","6","2","1") = "6"
    & skf21("1","7","4","3","6","6","3","1") = "6"
    & skf21("1","7","4","3","6","6","4","1") = "6"
    & skf21("1","7","4","3","6","6","5","1") = "6"
    & skf21("1","7","4","3","6","6","6","1") = "6"
    & skf21("1","7","4","3","6","6","7","1") = "6"
    & skf21("1","7","4","3","6","7","1","1") = "6"
    & skf21("1","7","4","3","6","7","2","1") = "6"
    & skf21("1","7","4","3","6","7","3","1") = "6"
    & skf21("1","7","4","3","6","7","4","1") = "6"
    & skf21("1","7","4","3","6","7","5","1") = "6"
    & skf21("1","7","4","3","6","7","6","1") = "6"
    & skf21("1","7","4","3","6","7","7","1") = "6"
    & skf21("1","7","4","3","7","1","1","1") = "6"
    & skf21("1","7","4","3","7","1","2","1") = "6"
    & skf21("1","7","4","3","7","1","3","1") = "6"
    & skf21("1","7","4","3","7","1","4","1") = "6"
    & skf21("1","7","4","3","7","1","5","1") = "6"
    & skf21("1","7","4","3","7","1","6","1") = "6"
    & skf21("1","7","4","3","7","1","7","1") = "6"
    & skf21("1","7","4","3","7","2","1","1") = "6"
    & skf21("1","7","4","3","7","2","2","1") = "6"
    & skf21("1","7","4","3","7","2","3","1") = "6"
    & skf21("1","7","4","3","7","2","4","1") = "6"
    & skf21("1","7","4","3","7","2","5","1") = "6"
    & skf21("1","7","4","3","7","2","6","1") = "6"
    & skf21("1","7","4","3","7","2","7","1") = "6"
    & skf21("1","7","4","3","7","3","1","1") = "6"
    & skf21("1","7","4","3","7","3","2","1") = "6"
    & skf21("1","7","4","3","7","3","3","1") = "6"
    & skf21("1","7","4","3","7","3","4","1") = "6"
    & skf21("1","7","4","3","7","3","5","1") = "6"
    & skf21("1","7","4","3","7","3","6","1") = "6"
    & skf21("1","7","4","3","7","3","7","1") = "6"
    & skf21("1","7","4","3","7","4","1","1") = "6"
    & skf21("1","7","4","3","7","4","2","1") = "6"
    & skf21("1","7","4","3","7","4","3","1") = "6"
    & skf21("1","7","4","3","7","4","4","1") = "6"
    & skf21("1","7","4","3","7","4","5","1") = "6"
    & skf21("1","7","4","3","7","4","6","1") = "6"
    & skf21("1","7","4","3","7","4","7","1") = "6"
    & skf21("1","7","4","3","7","5","1","1") = "6"
    & skf21("1","7","4","3","7","5","2","1") = "6"
    & skf21("1","7","4","3","7","5","3","1") = "6"
    & skf21("1","7","4","3","7","5","4","1") = "6"
    & skf21("1","7","4","3","7","5","5","1") = "6"
    & skf21("1","7","4","3","7","5","6","1") = "6"
    & skf21("1","7","4","3","7","5","7","1") = "6"
    & skf21("1","7","4","3","7","6","1","1") = "6"
    & skf21("1","7","4","3","7","6","2","1") = "6"
    & skf21("1","7","4","3","7","6","3","1") = "6"
    & skf21("1","7","4","3","7","6","4","1") = "6"
    & skf21("1","7","4","3","7","6","5","1") = "6"
    & skf21("1","7","4","3","7","6","6","1") = "6"
    & skf21("1","7","4","3","7","6","7","1") = "6"
    & skf21("1","7","4","3","7","7","1","1") = "6"
    & skf21("1","7","4","3","7","7","2","1") = "6"
    & skf21("1","7","4","3","7","7","3","1") = "6"
    & skf21("1","7","4","3","7","7","4","1") = "6"
    & skf21("1","7","4","3","7","7","5","1") = "6"
    & skf21("1","7","4","3","7","7","6","1") = "6"
    & skf21("1","7","4","3","7","7","7","1") = "6"
    & skf21("1","7","4","4","1","1","1","1") = "6"
    & skf21("1","7","4","4","1","1","2","1") = "6"
    & skf21("1","7","4","4","1","1","3","1") = "6"
    & skf21("1","7","4","4","1","1","4","1") = "6"
    & skf21("1","7","4","4","1","1","5","1") = "6"
    & skf21("1","7","4","4","1","1","6","1") = "6"
    & skf21("1","7","4","4","1","1","7","1") = "6"
    & skf21("1","7","4","4","1","2","1","1") = "6"
    & skf21("1","7","4","4","1","2","2","1") = "6"
    & skf21("1","7","4","4","1","2","3","1") = "6"
    & skf21("1","7","4","4","1","2","4","1") = "6"
    & skf21("1","7","4","4","1","2","5","1") = "6"
    & skf21("1","7","4","4","1","2","6","1") = "6"
    & skf21("1","7","4","4","1","2","7","1") = "6"
    & skf21("1","7","4","4","1","3","1","1") = "6"
    & skf21("1","7","4","4","1","3","2","1") = "6"
    & skf21("1","7","4","4","1","3","3","1") = "6"
    & skf21("1","7","4","4","1","3","4","1") = "6"
    & skf21("1","7","4","4","1","3","5","1") = "6"
    & skf21("1","7","4","4","1","3","6","1") = "6"
    & skf21("1","7","4","4","1","3","7","1") = "6"
    & skf21("1","7","4","4","1","4","1","1") = "6"
    & skf21("1","7","4","4","1","4","2","1") = "6"
    & skf21("1","7","4","4","1","4","3","1") = "6"
    & skf21("1","7","4","4","1","4","4","1") = "6"
    & skf21("1","7","4","4","1","4","5","1") = "6"
    & skf21("1","7","4","4","1","4","6","1") = "6"
    & skf21("1","7","4","4","1","4","7","1") = "6"
    & skf21("1","7","4","4","1","5","1","1") = "6"
    & skf21("1","7","4","4","1","5","2","1") = "6"
    & skf21("1","7","4","4","1","5","3","1") = "6"
    & skf21("1","7","4","4","1","5","4","1") = "6"
    & skf21("1","7","4","4","1","5","5","1") = "6"
    & skf21("1","7","4","4","1","5","6","1") = "6"
    & skf21("1","7","4","4","1","5","7","1") = "6"
    & skf21("1","7","4","4","1","6","1","1") = "6"
    & skf21("1","7","4","4","1","6","2","1") = "6"
    & skf21("1","7","4","4","1","6","3","1") = "6"
    & skf21("1","7","4","4","1","6","4","1") = "6"
    & skf21("1","7","4","4","1","6","5","1") = "6"
    & skf21("1","7","4","4","1","6","6","1") = "6"
    & skf21("1","7","4","4","1","6","7","1") = "6"
    & skf21("1","7","4","4","1","7","1","1") = "6"
    & skf21("1","7","4","4","1","7","2","1") = "6"
    & skf21("1","7","4","4","1","7","3","1") = "6"
    & skf21("1","7","4","4","1","7","4","1") = "6"
    & skf21("1","7","4","4","1","7","5","1") = "6"
    & skf21("1","7","4","4","1","7","6","1") = "6"
    & skf21("1","7","4","4","1","7","7","1") = "6"
    & skf21("1","7","4","4","2","1","1","1") = "6"
    & skf21("1","7","4","4","2","1","2","1") = "6"
    & skf21("1","7","4","4","2","1","3","1") = "6"
    & skf21("1","7","4","4","2","1","4","1") = "6"
    & skf21("1","7","4","4","2","1","5","1") = "6"
    & skf21("1","7","4","4","2","1","6","1") = "6"
    & skf21("1","7","4","4","2","1","7","1") = "6"
    & skf21("1","7","4","4","2","2","1","1") = "6"
    & skf21("1","7","4","4","2","2","2","1") = "6"
    & skf21("1","7","4","4","2","2","3","1") = "6"
    & skf21("1","7","4","4","2","2","4","1") = "6"
    & skf21("1","7","4","4","2","2","5","1") = "6"
    & skf21("1","7","4","4","2","2","6","1") = "6"
    & skf21("1","7","4","4","2","2","7","1") = "6"
    & skf21("1","7","4","4","2","3","1","1") = "6"
    & skf21("1","7","4","4","2","3","2","1") = "6"
    & skf21("1","7","4","4","2","3","3","1") = "6"
    & skf21("1","7","4","4","2","3","4","1") = "6"
    & skf21("1","7","4","4","2","3","5","1") = "6"
    & skf21("1","7","4","4","2","3","6","1") = "6"
    & skf21("1","7","4","4","2","3","7","1") = "6"
    & skf21("1","7","4","4","2","4","1","1") = "6"
    & skf21("1","7","4","4","2","4","2","1") = "6"
    & skf21("1","7","4","4","2","4","3","1") = "6"
    & skf21("1","7","4","4","2","4","4","1") = "6"
    & skf21("1","7","4","4","2","4","5","1") = "6"
    & skf21("1","7","4","4","2","4","6","1") = "6"
    & skf21("1","7","4","4","2","4","7","1") = "6"
    & skf21("1","7","4","4","2","5","1","1") = "6"
    & skf21("1","7","4","4","2","5","2","1") = "6"
    & skf21("1","7","4","4","2","5","3","1") = "6"
    & skf21("1","7","4","4","2","5","4","1") = "6"
    & skf21("1","7","4","4","2","5","5","1") = "6"
    & skf21("1","7","4","4","2","5","6","1") = "6"
    & skf21("1","7","4","4","2","5","7","1") = "6"
    & skf21("1","7","4","4","2","6","1","1") = "6"
    & skf21("1","7","4","4","2","6","2","1") = "6"
    & skf21("1","7","4","4","2","6","3","1") = "6"
    & skf21("1","7","4","4","2","6","4","1") = "6"
    & skf21("1","7","4","4","2","6","5","1") = "6"
    & skf21("1","7","4","4","2","6","6","1") = "6"
    & skf21("1","7","4","4","2","6","7","1") = "6"
    & skf21("1","7","4","4","2","7","1","1") = "6"
    & skf21("1","7","4","4","2","7","2","1") = "6"
    & skf21("1","7","4","4","2","7","3","1") = "6"
    & skf21("1","7","4","4","2","7","4","1") = "6"
    & skf21("1","7","4","4","2","7","5","1") = "6"
    & skf21("1","7","4","4","2","7","6","1") = "6"
    & skf21("1","7","4","4","2","7","7","1") = "6"
    & skf21("1","7","4","4","3","1","1","1") = "6"
    & skf21("1","7","4","4","3","1","2","1") = "6"
    & skf21("1","7","4","4","3","1","3","1") = "6"
    & skf21("1","7","4","4","3","1","4","1") = "6"
    & skf21("1","7","4","4","3","1","5","1") = "6"
    & skf21("1","7","4","4","3","1","6","1") = "6"
    & skf21("1","7","4","4","3","1","7","1") = "6"
    & skf21("1","7","4","4","3","2","1","1") = "6"
    & skf21("1","7","4","4","3","2","2","1") = "6"
    & skf21("1","7","4","4","3","2","3","1") = "6"
    & skf21("1","7","4","4","3","2","4","1") = "6"
    & skf21("1","7","4","4","3","2","5","1") = "6"
    & skf21("1","7","4","4","3","2","6","1") = "6"
    & skf21("1","7","4","4","3","2","7","1") = "6"
    & skf21("1","7","4","4","3","3","1","1") = "6"
    & skf21("1","7","4","4","3","3","2","1") = "6"
    & skf21("1","7","4","4","3","3","3","1") = "6"
    & skf21("1","7","4","4","3","3","4","1") = "6"
    & skf21("1","7","4","4","3","3","5","1") = "6"
    & skf21("1","7","4","4","3","3","6","1") = "6"
    & skf21("1","7","4","4","3","3","7","1") = "6"
    & skf21("1","7","4","4","3","4","1","1") = "6"
    & skf21("1","7","4","4","3","4","2","1") = "6"
    & skf21("1","7","4","4","3","4","3","1") = "6"
    & skf21("1","7","4","4","3","4","4","1") = "6"
    & skf21("1","7","4","4","3","4","5","1") = "6"
    & skf21("1","7","4","4","3","4","6","1") = "6"
    & skf21("1","7","4","4","3","4","7","1") = "6"
    & skf21("1","7","4","4","3","5","1","1") = "6"
    & skf21("1","7","4","4","3","5","2","1") = "6"
    & skf21("1","7","4","4","3","5","3","1") = "6"
    & skf21("1","7","4","4","3","5","4","1") = "6"
    & skf21("1","7","4","4","3","5","5","1") = "6"
    & skf21("1","7","4","4","3","5","6","1") = "6"
    & skf21("1","7","4","4","3","5","7","1") = "6"
    & skf21("1","7","4","4","3","6","1","1") = "6"
    & skf21("1","7","4","4","3","6","2","1") = "6"
    & skf21("1","7","4","4","3","6","3","1") = "6"
    & skf21("1","7","4","4","3","6","4","1") = "6"
    & skf21("1","7","4","4","3","6","5","1") = "6"
    & skf21("1","7","4","4","3","6","6","1") = "6"
    & skf21("1","7","4","4","3","6","7","1") = "6"
    & skf21("1","7","4","4","3","7","1","1") = "6"
    & skf21("1","7","4","4","3","7","2","1") = "6"
    & skf21("1","7","4","4","3","7","3","1") = "6"
    & skf21("1","7","4","4","3","7","4","1") = "6"
    & skf21("1","7","4","4","3","7","5","1") = "6"
    & skf21("1","7","4","4","3","7","6","1") = "6"
    & skf21("1","7","4","4","3","7","7","1") = "6"
    & skf21("1","7","4","4","4","1","1","1") = "6"
    & skf21("1","7","4","4","4","1","2","1") = "6"
    & skf21("1","7","4","4","4","1","3","1") = "6"
    & skf21("1","7","4","4","4","1","4","1") = "6"
    & skf21("1","7","4","4","4","1","5","1") = "6"
    & skf21("1","7","4","4","4","1","6","1") = "6"
    & skf21("1","7","4","4","4","1","7","1") = "6"
    & skf21("1","7","4","4","4","2","1","1") = "6"
    & skf21("1","7","4","4","4","2","2","1") = "6"
    & skf21("1","7","4","4","4","2","3","1") = "6"
    & skf21("1","7","4","4","4","2","4","1") = "6"
    & skf21("1","7","4","4","4","2","5","1") = "6"
    & skf21("1","7","4","4","4","2","6","1") = "6"
    & skf21("1","7","4","4","4","2","7","1") = "6"
    & skf21("1","7","4","4","4","3","1","1") = "6"
    & skf21("1","7","4","4","4","3","2","1") = "6"
    & skf21("1","7","4","4","4","3","3","1") = "6"
    & skf21("1","7","4","4","4","3","4","1") = "6"
    & skf21("1","7","4","4","4","3","5","1") = "6"
    & skf21("1","7","4","4","4","3","6","1") = "6"
    & skf21("1","7","4","4","4","3","7","1") = "6"
    & skf21("1","7","4","4","4","4","1","1") = "6"
    & skf21("1","7","4","4","4","4","2","1") = "6"
    & skf21("1","7","4","4","4","4","3","1") = "6"
    & skf21("1","7","4","4","4","4","4","1") = "6"
    & skf21("1","7","4","4","4","4","5","1") = "6"
    & skf21("1","7","4","4","4","4","6","1") = "6"
    & skf21("1","7","4","4","4","4","7","1") = "6"
    & skf21("1","7","4","4","4","5","1","1") = "6"
    & skf21("1","7","4","4","4","5","2","1") = "6"
    & skf21("1","7","4","4","4","5","3","1") = "6"
    & skf21("1","7","4","4","4","5","4","1") = "6"
    & skf21("1","7","4","4","4","5","5","1") = "6"
    & skf21("1","7","4","4","4","5","6","1") = "6"
    & skf21("1","7","4","4","4","5","7","1") = "6"
    & skf21("1","7","4","4","4","6","1","1") = "6"
    & skf21("1","7","4","4","4","6","2","1") = "6"
    & skf21("1","7","4","4","4","6","3","1") = "6"
    & skf21("1","7","4","4","4","6","4","1") = "6"
    & skf21("1","7","4","4","4","6","5","1") = "6"
    & skf21("1","7","4","4","4","6","6","1") = "6"
    & skf21("1","7","4","4","4","6","7","1") = "6"
    & skf21("1","7","4","4","4","7","1","1") = "6"
    & skf21("1","7","4","4","4","7","2","1") = "6"
    & skf21("1","7","4","4","4","7","3","1") = "6"
    & skf21("1","7","4","4","4","7","4","1") = "6"
    & skf21("1","7","4","4","4","7","5","1") = "6"
    & skf21("1","7","4","4","4","7","6","1") = "6"
    & skf21("1","7","4","4","4","7","7","1") = "6"
    & skf21("1","7","4","4","5","1","1","1") = "6"
    & skf21("1","7","4","4","5","1","2","1") = "6"
    & skf21("1","7","4","4","5","1","3","1") = "6"
    & skf21("1","7","4","4","5","1","4","1") = "6"
    & skf21("1","7","4","4","5","1","5","1") = "6"
    & skf21("1","7","4","4","5","1","6","1") = "6"
    & skf21("1","7","4","4","5","1","7","1") = "6"
    & skf21("1","7","4","4","5","2","1","1") = "6"
    & skf21("1","7","4","4","5","2","2","1") = "6"
    & skf21("1","7","4","4","5","2","3","1") = "6"
    & skf21("1","7","4","4","5","2","4","1") = "6"
    & skf21("1","7","4","4","5","2","5","1") = "6"
    & skf21("1","7","4","4","5","2","6","1") = "6"
    & skf21("1","7","4","4","5","2","7","1") = "6"
    & skf21("1","7","4","4","5","3","1","1") = "6"
    & skf21("1","7","4","4","5","3","2","1") = "6"
    & skf21("1","7","4","4","5","3","3","1") = "6"
    & skf21("1","7","4","4","5","3","4","1") = "6"
    & skf21("1","7","4","4","5","3","5","1") = "6"
    & skf21("1","7","4","4","5","3","6","1") = "6"
    & skf21("1","7","4","4","5","3","7","1") = "6"
    & skf21("1","7","4","4","5","4","1","1") = "6"
    & skf21("1","7","4","4","5","4","2","1") = "6"
    & skf21("1","7","4","4","5","4","3","1") = "6"
    & skf21("1","7","4","4","5","4","4","1") = "6"
    & skf21("1","7","4","4","5","4","5","1") = "6"
    & skf21("1","7","4","4","5","4","6","1") = "6"
    & skf21("1","7","4","4","5","4","7","1") = "6"
    & skf21("1","7","4","4","5","5","1","1") = "6"
    & skf21("1","7","4","4","5","5","2","1") = "6"
    & skf21("1","7","4","4","5","5","3","1") = "6"
    & skf21("1","7","4","4","5","5","4","1") = "6"
    & skf21("1","7","4","4","5","5","5","1") = "6"
    & skf21("1","7","4","4","5","5","6","1") = "6"
    & skf21("1","7","4","4","5","5","7","1") = "6"
    & skf21("1","7","4","4","5","6","1","1") = "6"
    & skf21("1","7","4","4","5","6","2","1") = "6"
    & skf21("1","7","4","4","5","6","3","1") = "6"
    & skf21("1","7","4","4","5","6","4","1") = "6"
    & skf21("1","7","4","4","5","6","5","1") = "6"
    & skf21("1","7","4","4","5","6","6","1") = "6"
    & skf21("1","7","4","4","5","6","7","1") = "6"
    & skf21("1","7","4","4","5","7","1","1") = "6"
    & skf21("1","7","4","4","5","7","2","1") = "6"
    & skf21("1","7","4","4","5","7","3","1") = "6"
    & skf21("1","7","4","4","5","7","4","1") = "6"
    & skf21("1","7","4","4","5","7","5","1") = "6"
    & skf21("1","7","4","4","5","7","6","1") = "6"
    & skf21("1","7","4","4","5","7","7","1") = "6"
    & skf21("1","7","4","4","6","1","1","1") = "6"
    & skf21("1","7","4","4","6","1","2","1") = "6"
    & skf21("1","7","4","4","6","1","3","1") = "6"
    & skf21("1","7","4","4","6","1","4","1") = "6"
    & skf21("1","7","4","4","6","1","5","1") = "6"
    & skf21("1","7","4","4","6","1","6","1") = "6"
    & skf21("1","7","4","4","6","1","7","1") = "6"
    & skf21("1","7","4","4","6","2","1","1") = "6"
    & skf21("1","7","4","4","6","2","2","1") = "6"
    & skf21("1","7","4","4","6","2","3","1") = "6"
    & skf21("1","7","4","4","6","2","4","1") = "6"
    & skf21("1","7","4","4","6","2","5","1") = "6"
    & skf21("1","7","4","4","6","2","6","1") = "6"
    & skf21("1","7","4","4","6","2","7","1") = "6"
    & skf21("1","7","4","4","6","3","1","1") = "6"
    & skf21("1","7","4","4","6","3","2","1") = "6"
    & skf21("1","7","4","4","6","3","3","1") = "6"
    & skf21("1","7","4","4","6","3","4","1") = "6"
    & skf21("1","7","4","4","6","3","5","1") = "6"
    & skf21("1","7","4","4","6","3","6","1") = "6"
    & skf21("1","7","4","4","6","3","7","1") = "6"
    & skf21("1","7","4","4","6","4","1","1") = "6"
    & skf21("1","7","4","4","6","4","2","1") = "6"
    & skf21("1","7","4","4","6","4","3","1") = "6"
    & skf21("1","7","4","4","6","4","4","1") = "6"
    & skf21("1","7","4","4","6","4","5","1") = "6"
    & skf21("1","7","4","4","6","4","6","1") = "6"
    & skf21("1","7","4","4","6","4","7","1") = "6"
    & skf21("1","7","4","4","6","5","1","1") = "6"
    & skf21("1","7","4","4","6","5","2","1") = "6"
    & skf21("1","7","4","4","6","5","3","1") = "6"
    & skf21("1","7","4","4","6","5","4","1") = "6"
    & skf21("1","7","4","4","6","5","5","1") = "6"
    & skf21("1","7","4","4","6","5","6","1") = "6"
    & skf21("1","7","4","4","6","5","7","1") = "6"
    & skf21("1","7","4","4","6","6","1","1") = "6"
    & skf21("1","7","4","4","6","6","2","1") = "6"
    & skf21("1","7","4","4","6","6","3","1") = "6"
    & skf21("1","7","4","4","6","6","4","1") = "6"
    & skf21("1","7","4","4","6","6","5","1") = "6"
    & skf21("1","7","4","4","6","6","6","1") = "6"
    & skf21("1","7","4","4","6","6","7","1") = "6"
    & skf21("1","7","4","4","6","7","1","1") = "6"
    & skf21("1","7","4","4","6","7","2","1") = "6"
    & skf21("1","7","4","4","6","7","3","1") = "6"
    & skf21("1","7","4","4","6","7","4","1") = "6"
    & skf21("1","7","4","4","6","7","5","1") = "6"
    & skf21("1","7","4","4","6","7","6","1") = "6"
    & skf21("1","7","4","4","6","7","7","1") = "6"
    & skf21("1","7","4","4","7","1","1","1") = "6"
    & skf21("1","7","4","4","7","1","2","1") = "6"
    & skf21("1","7","4","4","7","1","3","1") = "6"
    & skf21("1","7","4","4","7","1","4","1") = "6"
    & skf21("1","7","4","4","7","1","5","1") = "6"
    & skf21("1","7","4","4","7","1","6","1") = "6"
    & skf21("1","7","4","4","7","1","7","1") = "6"
    & skf21("1","7","4","4","7","2","1","1") = "6"
    & skf21("1","7","4","4","7","2","2","1") = "6"
    & skf21("1","7","4","4","7","2","3","1") = "6"
    & skf21("1","7","4","4","7","2","4","1") = "6"
    & skf21("1","7","4","4","7","2","5","1") = "6"
    & skf21("1","7","4","4","7","2","6","1") = "6"
    & skf21("1","7","4","4","7","2","7","1") = "6"
    & skf21("1","7","4","4","7","3","1","1") = "6"
    & skf21("1","7","4","4","7","3","2","1") = "6"
    & skf21("1","7","4","4","7","3","3","1") = "6"
    & skf21("1","7","4","4","7","3","4","1") = "6"
    & skf21("1","7","4","4","7","3","5","1") = "6"
    & skf21("1","7","4","4","7","3","6","1") = "6"
    & skf21("1","7","4","4","7","3","7","1") = "6"
    & skf21("1","7","4","4","7","4","1","1") = "6"
    & skf21("1","7","4","4","7","4","2","1") = "6"
    & skf21("1","7","4","4","7","4","3","1") = "6"
    & skf21("1","7","4","4","7","4","4","1") = "6"
    & skf21("1","7","4","4","7","4","5","1") = "6"
    & skf21("1","7","4","4","7","4","6","1") = "6"
    & skf21("1","7","4","4","7","4","7","1") = "6"
    & skf21("1","7","4","4","7","5","1","1") = "6"
    & skf21("1","7","4","4","7","5","2","1") = "6"
    & skf21("1","7","4","4","7","5","3","1") = "6"
    & skf21("1","7","4","4","7","5","4","1") = "6"
    & skf21("1","7","4","4","7","5","5","1") = "6"
    & skf21("1","7","4","4","7","5","6","1") = "6"
    & skf21("1","7","4","4","7","5","7","1") = "6"
    & skf21("1","7","4","4","7","6","1","1") = "6"
    & skf21("1","7","4","4","7","6","2","1") = "6"
    & skf21("1","7","4","4","7","6","3","1") = "6"
    & skf21("1","7","4","4","7","6","4","1") = "6"
    & skf21("1","7","4","4","7","6","5","1") = "6"
    & skf21("1","7","4","4","7","6","6","1") = "6"
    & skf21("1","7","4","4","7","6","7","1") = "6"
    & skf21("1","7","4","4","7","7","1","1") = "6"
    & skf21("1","7","4","4","7","7","2","1") = "6"
    & skf21("1","7","4","4","7","7","3","1") = "6"
    & skf21("1","7","4","4","7","7","4","1") = "6"
    & skf21("1","7","4","4","7","7","5","1") = "6"
    & skf21("1","7","4","4","7","7","6","1") = "6"
    & skf21("1","7","4","4","7","7","7","1") = "6"
    & skf21("1","7","4","5","1","1","1","1") = "6"
    & skf21("1","7","4","5","1","1","2","1") = "6"
    & skf21("1","7","4","5","1","1","3","1") = "6"
    & skf21("1","7","4","5","1","1","4","1") = "6"
    & skf21("1","7","4","5","1","1","5","1") = "6"
    & skf21("1","7","4","5","1","1","6","1") = "6"
    & skf21("1","7","4","5","1","1","7","1") = "6"
    & skf21("1","7","4","5","1","2","1","1") = "6"
    & skf21("1","7","4","5","1","2","2","1") = "6"
    & skf21("1","7","4","5","1","2","3","1") = "6"
    & skf21("1","7","4","5","1","2","4","1") = "6"
    & skf21("1","7","4","5","1","2","5","1") = "6"
    & skf21("1","7","4","5","1","2","6","1") = "6"
    & skf21("1","7","4","5","1","2","7","1") = "6"
    & skf21("1","7","4","5","1","3","1","1") = "6"
    & skf21("1","7","4","5","1","3","2","1") = "6"
    & skf21("1","7","4","5","1","3","3","1") = "6"
    & skf21("1","7","4","5","1","3","4","1") = "6"
    & skf21("1","7","4","5","1","3","5","1") = "6"
    & skf21("1","7","4","5","1","3","6","1") = "6"
    & skf21("1","7","4","5","1","3","7","1") = "6"
    & skf21("1","7","4","5","1","4","1","1") = "6"
    & skf21("1","7","4","5","1","4","2","1") = "6"
    & skf21("1","7","4","5","1","4","3","1") = "6"
    & skf21("1","7","4","5","1","4","4","1") = "6"
    & skf21("1","7","4","5","1","4","5","1") = "6"
    & skf21("1","7","4","5","1","4","6","1") = "6"
    & skf21("1","7","4","5","1","4","7","1") = "6"
    & skf21("1","7","4","5","1","5","1","1") = "6"
    & skf21("1","7","4","5","1","5","2","1") = "6"
    & skf21("1","7","4","5","1","5","3","1") = "6"
    & skf21("1","7","4","5","1","5","4","1") = "6"
    & skf21("1","7","4","5","1","5","5","1") = "6"
    & skf21("1","7","4","5","1","5","6","1") = "6"
    & skf21("1","7","4","5","1","5","7","1") = "6"
    & skf21("1","7","4","5","1","6","1","1") = "6"
    & skf21("1","7","4","5","1","6","2","1") = "6"
    & skf21("1","7","4","5","1","6","3","1") = "6"
    & skf21("1","7","4","5","1","6","4","1") = "6"
    & skf21("1","7","4","5","1","6","5","1") = "6"
    & skf21("1","7","4","5","1","6","6","1") = "6"
    & skf21("1","7","4","5","1","6","7","1") = "6"
    & skf21("1","7","4","5","1","7","1","1") = "6"
    & skf21("1","7","4","5","1","7","2","1") = "6"
    & skf21("1","7","4","5","1","7","3","1") = "6"
    & skf21("1","7","4","5","1","7","4","1") = "6"
    & skf21("1","7","4","5","1","7","5","1") = "6"
    & skf21("1","7","4","5","1","7","6","1") = "6"
    & skf21("1","7","4","5","1","7","7","1") = "6"
    & skf21("1","7","4","5","2","1","1","1") = "6"
    & skf21("1","7","4","5","2","1","2","1") = "6"
    & skf21("1","7","4","5","2","1","3","1") = "6"
    & skf21("1","7","4","5","2","1","4","1") = "6"
    & skf21("1","7","4","5","2","1","5","1") = "6"
    & skf21("1","7","4","5","2","1","6","1") = "6"
    & skf21("1","7","4","5","2","1","7","1") = "6"
    & skf21("1","7","4","5","2","2","1","1") = "6"
    & skf21("1","7","4","5","2","2","2","1") = "6"
    & skf21("1","7","4","5","2","2","3","1") = "6"
    & skf21("1","7","4","5","2","2","4","1") = "6"
    & skf21("1","7","4","5","2","2","5","1") = "6"
    & skf21("1","7","4","5","2","2","6","1") = "6"
    & skf21("1","7","4","5","2","2","7","1") = "6"
    & skf21("1","7","4","5","2","3","1","1") = "6"
    & skf21("1","7","4","5","2","3","2","1") = "6"
    & skf21("1","7","4","5","2","3","3","1") = "6"
    & skf21("1","7","4","5","2","3","4","1") = "6"
    & skf21("1","7","4","5","2","3","5","1") = "6"
    & skf21("1","7","4","5","2","3","6","1") = "6"
    & skf21("1","7","4","5","2","3","7","1") = "6"
    & skf21("1","7","4","5","2","4","1","1") = "6"
    & skf21("1","7","4","5","2","4","2","1") = "6"
    & skf21("1","7","4","5","2","4","3","1") = "6"
    & skf21("1","7","4","5","2","4","4","1") = "6"
    & skf21("1","7","4","5","2","4","5","1") = "6"
    & skf21("1","7","4","5","2","4","6","1") = "6"
    & skf21("1","7","4","5","2","4","7","1") = "6"
    & skf21("1","7","4","5","2","5","1","1") = "6"
    & skf21("1","7","4","5","2","5","2","1") = "6"
    & skf21("1","7","4","5","2","5","3","1") = "6"
    & skf21("1","7","4","5","2","5","4","1") = "6"
    & skf21("1","7","4","5","2","5","5","1") = "6"
    & skf21("1","7","4","5","2","5","6","1") = "6"
    & skf21("1","7","4","5","2","5","7","1") = "6"
    & skf21("1","7","4","5","2","6","1","1") = "6"
    & skf21("1","7","4","5","2","6","2","1") = "6"
    & skf21("1","7","4","5","2","6","3","1") = "6"
    & skf21("1","7","4","5","2","6","4","1") = "6"
    & skf21("1","7","4","5","2","6","5","1") = "6"
    & skf21("1","7","4","5","2","6","6","1") = "6"
    & skf21("1","7","4","5","2","6","7","1") = "6"
    & skf21("1","7","4","5","2","7","1","1") = "6"
    & skf21("1","7","4","5","2","7","2","1") = "6"
    & skf21("1","7","4","5","2","7","3","1") = "6"
    & skf21("1","7","4","5","2","7","4","1") = "6"
    & skf21("1","7","4","5","2","7","5","1") = "6"
    & skf21("1","7","4","5","2","7","6","1") = "6"
    & skf21("1","7","4","5","2","7","7","1") = "6"
    & skf21("1","7","4","5","3","1","1","1") = "6"
    & skf21("1","7","4","5","3","1","2","1") = "6"
    & skf21("1","7","4","5","3","1","3","1") = "6"
    & skf21("1","7","4","5","3","1","4","1") = "6"
    & skf21("1","7","4","5","3","1","5","1") = "6"
    & skf21("1","7","4","5","3","1","6","1") = "6"
    & skf21("1","7","4","5","3","1","7","1") = "6"
    & skf21("1","7","4","5","3","2","1","1") = "6"
    & skf21("1","7","4","5","3","2","2","1") = "6"
    & skf21("1","7","4","5","3","2","3","1") = "6"
    & skf21("1","7","4","5","3","2","4","1") = "6"
    & skf21("1","7","4","5","3","2","5","1") = "6"
    & skf21("1","7","4","5","3","2","6","1") = "6"
    & skf21("1","7","4","5","3","2","7","1") = "6"
    & skf21("1","7","4","5","3","3","1","1") = "6"
    & skf21("1","7","4","5","3","3","2","1") = "6"
    & skf21("1","7","4","5","3","3","3","1") = "6"
    & skf21("1","7","4","5","3","3","4","1") = "6"
    & skf21("1","7","4","5","3","3","5","1") = "6"
    & skf21("1","7","4","5","3","3","6","1") = "6"
    & skf21("1","7","4","5","3","3","7","1") = "6"
    & skf21("1","7","4","5","3","4","1","1") = "6"
    & skf21("1","7","4","5","3","4","2","1") = "6"
    & skf21("1","7","4","5","3","4","3","1") = "6"
    & skf21("1","7","4","5","3","4","4","1") = "6"
    & skf21("1","7","4","5","3","4","5","1") = "6"
    & skf21("1","7","4","5","3","4","6","1") = "6"
    & skf21("1","7","4","5","3","4","7","1") = "6"
    & skf21("1","7","4","5","3","5","1","1") = "6"
    & skf21("1","7","4","5","3","5","2","1") = "6"
    & skf21("1","7","4","5","3","5","3","1") = "6"
    & skf21("1","7","4","5","3","5","4","1") = "6"
    & skf21("1","7","4","5","3","5","5","1") = "6"
    & skf21("1","7","4","5","3","5","6","1") = "6"
    & skf21("1","7","4","5","3","5","7","1") = "6"
    & skf21("1","7","4","5","3","6","1","1") = "6"
    & skf21("1","7","4","5","3","6","2","1") = "6"
    & skf21("1","7","4","5","3","6","3","1") = "6"
    & skf21("1","7","4","5","3","6","4","1") = "6"
    & skf21("1","7","4","5","3","6","5","1") = "6"
    & skf21("1","7","4","5","3","6","6","1") = "6"
    & skf21("1","7","4","5","3","6","7","1") = "6"
    & skf21("1","7","4","5","3","7","1","1") = "6"
    & skf21("1","7","4","5","3","7","2","1") = "6"
    & skf21("1","7","4","5","3","7","3","1") = "6"
    & skf21("1","7","4","5","3","7","4","1") = "6"
    & skf21("1","7","4","5","3","7","5","1") = "6"
    & skf21("1","7","4","5","3","7","6","1") = "6"
    & skf21("1","7","4","5","3","7","7","1") = "6"
    & skf21("1","7","4","5","4","1","1","1") = "6"
    & skf21("1","7","4","5","4","1","2","1") = "6"
    & skf21("1","7","4","5","4","1","3","1") = "6"
    & skf21("1","7","4","5","4","1","4","1") = "6"
    & skf21("1","7","4","5","4","1","5","1") = "6"
    & skf21("1","7","4","5","4","1","6","1") = "6"
    & skf21("1","7","4","5","4","1","7","1") = "6"
    & skf21("1","7","4","5","4","2","1","1") = "6"
    & skf21("1","7","4","5","4","2","2","1") = "6"
    & skf21("1","7","4","5","4","2","3","1") = "6"
    & skf21("1","7","4","5","4","2","4","1") = "6"
    & skf21("1","7","4","5","4","2","5","1") = "6"
    & skf21("1","7","4","5","4","2","6","1") = "6"
    & skf21("1","7","4","5","4","2","7","1") = "6"
    & skf21("1","7","4","5","4","3","1","1") = "6"
    & skf21("1","7","4","5","4","3","2","1") = "6"
    & skf21("1","7","4","5","4","3","3","1") = "6"
    & skf21("1","7","4","5","4","3","4","1") = "6"
    & skf21("1","7","4","5","4","3","5","1") = "6"
    & skf21("1","7","4","5","4","3","6","1") = "6"
    & skf21("1","7","4","5","4","3","7","1") = "6"
    & skf21("1","7","4","5","4","4","1","1") = "6"
    & skf21("1","7","4","5","4","4","2","1") = "6"
    & skf21("1","7","4","5","4","4","3","1") = "6"
    & skf21("1","7","4","5","4","4","4","1") = "6"
    & skf21("1","7","4","5","4","4","5","1") = "6"
    & skf21("1","7","4","5","4","4","6","1") = "6"
    & skf21("1","7","4","5","4","4","7","1") = "6"
    & skf21("1","7","4","5","4","5","1","1") = "6"
    & skf21("1","7","4","5","4","5","2","1") = "6"
    & skf21("1","7","4","5","4","5","3","1") = "6"
    & skf21("1","7","4","5","4","5","4","1") = "6"
    & skf21("1","7","4","5","4","5","5","1") = "6"
    & skf21("1","7","4","5","4","5","6","1") = "6"
    & skf21("1","7","4","5","4","5","7","1") = "6"
    & skf21("1","7","4","5","4","6","1","1") = "6"
    & skf21("1","7","4","5","4","6","2","1") = "6"
    & skf21("1","7","4","5","4","6","3","1") = "6"
    & skf21("1","7","4","5","4","6","4","1") = "6"
    & skf21("1","7","4","5","4","6","5","1") = "6"
    & skf21("1","7","4","5","4","6","6","1") = "6"
    & skf21("1","7","4","5","4","6","7","1") = "6"
    & skf21("1","7","4","5","4","7","1","1") = "6"
    & skf21("1","7","4","5","4","7","2","1") = "6"
    & skf21("1","7","4","5","4","7","3","1") = "6"
    & skf21("1","7","4","5","4","7","4","1") = "6"
    & skf21("1","7","4","5","4","7","5","1") = "6"
    & skf21("1","7","4","5","4","7","6","1") = "6"
    & skf21("1","7","4","5","4","7","7","1") = "6"
    & skf21("1","7","4","5","5","1","1","1") = "6"
    & skf21("1","7","4","5","5","1","2","1") = "6"
    & skf21("1","7","4","5","5","1","3","1") = "6"
    & skf21("1","7","4","5","5","1","4","1") = "6"
    & skf21("1","7","4","5","5","1","5","1") = "6"
    & skf21("1","7","4","5","5","1","6","1") = "6"
    & skf21("1","7","4","5","5","1","7","1") = "6"
    & skf21("1","7","4","5","5","2","1","1") = "6"
    & skf21("1","7","4","5","5","2","2","1") = "6"
    & skf21("1","7","4","5","5","2","3","1") = "6"
    & skf21("1","7","4","5","5","2","4","1") = "6"
    & skf21("1","7","4","5","5","2","5","1") = "6"
    & skf21("1","7","4","5","5","2","6","1") = "6"
    & skf21("1","7","4","5","5","2","7","1") = "6"
    & skf21("1","7","4","5","5","3","1","1") = "6"
    & skf21("1","7","4","5","5","3","2","1") = "6"
    & skf21("1","7","4","5","5","3","3","1") = "6"
    & skf21("1","7","4","5","5","3","4","1") = "6"
    & skf21("1","7","4","5","5","3","5","1") = "6"
    & skf21("1","7","4","5","5","3","6","1") = "6"
    & skf21("1","7","4","5","5","3","7","1") = "6"
    & skf21("1","7","4","5","5","4","1","1") = "6"
    & skf21("1","7","4","5","5","4","2","1") = "6"
    & skf21("1","7","4","5","5","4","3","1") = "6"
    & skf21("1","7","4","5","5","4","4","1") = "6"
    & skf21("1","7","4","5","5","4","5","1") = "6"
    & skf21("1","7","4","5","5","4","6","1") = "6"
    & skf21("1","7","4","5","5","4","7","1") = "6"
    & skf21("1","7","4","5","5","5","1","1") = "6"
    & skf21("1","7","4","5","5","5","2","1") = "6"
    & skf21("1","7","4","5","5","5","3","1") = "6"
    & skf21("1","7","4","5","5","5","4","1") = "6"
    & skf21("1","7","4","5","5","5","5","1") = "6"
    & skf21("1","7","4","5","5","5","6","1") = "6"
    & skf21("1","7","4","5","5","5","7","1") = "6"
    & skf21("1","7","4","5","5","6","1","1") = "6"
    & skf21("1","7","4","5","5","6","2","1") = "6"
    & skf21("1","7","4","5","5","6","3","1") = "6"
    & skf21("1","7","4","5","5","6","4","1") = "6"
    & skf21("1","7","4","5","5","6","5","1") = "6"
    & skf21("1","7","4","5","5","6","6","1") = "6"
    & skf21("1","7","4","5","5","6","7","1") = "6"
    & skf21("1","7","4","5","5","7","1","1") = "6"
    & skf21("1","7","4","5","5","7","2","1") = "6"
    & skf21("1","7","4","5","5","7","3","1") = "6"
    & skf21("1","7","4","5","5","7","4","1") = "6"
    & skf21("1","7","4","5","5","7","5","1") = "6"
    & skf21("1","7","4","5","5","7","6","1") = "6"
    & skf21("1","7","4","5","5","7","7","1") = "6"
    & skf21("1","7","4","5","6","1","1","1") = "6"
    & skf21("1","7","4","5","6","1","2","1") = "6"
    & skf21("1","7","4","5","6","1","3","1") = "6"
    & skf21("1","7","4","5","6","1","4","1") = "6"
    & skf21("1","7","4","5","6","1","5","1") = "6"
    & skf21("1","7","4","5","6","1","6","1") = "6"
    & skf21("1","7","4","5","6","1","7","1") = "6"
    & skf21("1","7","4","5","6","2","1","1") = "6"
    & skf21("1","7","4","5","6","2","2","1") = "6"
    & skf21("1","7","4","5","6","2","3","1") = "6"
    & skf21("1","7","4","5","6","2","4","1") = "6"
    & skf21("1","7","4","5","6","2","5","1") = "6"
    & skf21("1","7","4","5","6","2","6","1") = "6"
    & skf21("1","7","4","5","6","2","7","1") = "6"
    & skf21("1","7","4","5","6","3","1","1") = "6"
    & skf21("1","7","4","5","6","3","2","1") = "6"
    & skf21("1","7","4","5","6","3","3","1") = "6"
    & skf21("1","7","4","5","6","3","4","1") = "6"
    & skf21("1","7","4","5","6","3","5","1") = "6"
    & skf21("1","7","4","5","6","3","6","1") = "6"
    & skf21("1","7","4","5","6","3","7","1") = "6"
    & skf21("1","7","4","5","6","4","1","1") = "6"
    & skf21("1","7","4","5","6","4","2","1") = "6"
    & skf21("1","7","4","5","6","4","3","1") = "6"
    & skf21("1","7","4","5","6","4","4","1") = "6"
    & skf21("1","7","4","5","6","4","5","1") = "6"
    & skf21("1","7","4","5","6","4","6","1") = "6"
    & skf21("1","7","4","5","6","4","7","1") = "6"
    & skf21("1","7","4","5","6","5","1","1") = "6"
    & skf21("1","7","4","5","6","5","2","1") = "6"
    & skf21("1","7","4","5","6","5","3","1") = "6"
    & skf21("1","7","4","5","6","5","4","1") = "6"
    & skf21("1","7","4","5","6","5","5","1") = "6"
    & skf21("1","7","4","5","6","5","6","1") = "6"
    & skf21("1","7","4","5","6","5","7","1") = "6"
    & skf21("1","7","4","5","6","6","1","1") = "6"
    & skf21("1","7","4","5","6","6","2","1") = "6"
    & skf21("1","7","4","5","6","6","3","1") = "6"
    & skf21("1","7","4","5","6","6","4","1") = "6"
    & skf21("1","7","4","5","6","6","5","1") = "6"
    & skf21("1","7","4","5","6","6","6","1") = "6"
    & skf21("1","7","4","5","6","6","7","1") = "6"
    & skf21("1","7","4","5","6","7","1","1") = "6"
    & skf21("1","7","4","5","6","7","2","1") = "6"
    & skf21("1","7","4","5","6","7","3","1") = "6"
    & skf21("1","7","4","5","6","7","4","1") = "6"
    & skf21("1","7","4","5","6","7","5","1") = "6"
    & skf21("1","7","4","5","6","7","6","1") = "6"
    & skf21("1","7","4","5","6","7","7","1") = "6"
    & skf21("1","7","4","5","7","1","1","1") = "6"
    & skf21("1","7","4","5","7","1","2","1") = "6"
    & skf21("1","7","4","5","7","1","3","1") = "6"
    & skf21("1","7","4","5","7","1","4","1") = "6"
    & skf21("1","7","4","5","7","1","5","1") = "6"
    & skf21("1","7","4","5","7","1","6","1") = "6"
    & skf21("1","7","4","5","7","1","7","1") = "6"
    & skf21("1","7","4","5","7","2","1","1") = "6"
    & skf21("1","7","4","5","7","2","2","1") = "6"
    & skf21("1","7","4","5","7","2","3","1") = "6"
    & skf21("1","7","4","5","7","2","4","1") = "6"
    & skf21("1","7","4","5","7","2","5","1") = "6"
    & skf21("1","7","4","5","7","2","6","1") = "6"
    & skf21("1","7","4","5","7","2","7","1") = "6"
    & skf21("1","7","4","5","7","3","1","1") = "6"
    & skf21("1","7","4","5","7","3","2","1") = "6"
    & skf21("1","7","4","5","7","3","3","1") = "6"
    & skf21("1","7","4","5","7","3","4","1") = "6"
    & skf21("1","7","4","5","7","3","5","1") = "6"
    & skf21("1","7","4","5","7","3","6","1") = "6"
    & skf21("1","7","4","5","7","3","7","1") = "6"
    & skf21("1","7","4","5","7","4","1","1") = "6"
    & skf21("1","7","4","5","7","4","2","1") = "6"
    & skf21("1","7","4","5","7","4","3","1") = "6"
    & skf21("1","7","4","5","7","4","4","1") = "6"
    & skf21("1","7","4","5","7","4","5","1") = "6"
    & skf21("1","7","4","5","7","4","6","1") = "6"
    & skf21("1","7","4","5","7","4","7","1") = "6"
    & skf21("1","7","4","5","7","5","1","1") = "6"
    & skf21("1","7","4","5","7","5","2","1") = "6"
    & skf21("1","7","4","5","7","5","3","1") = "6"
    & skf21("1","7","4","5","7","5","4","1") = "6"
    & skf21("1","7","4","5","7","5","5","1") = "6"
    & skf21("1","7","4","5","7","5","6","1") = "6"
    & skf21("1","7","4","5","7","5","7","1") = "6"
    & skf21("1","7","4","5","7","6","1","1") = "6"
    & skf21("1","7","4","5","7","6","2","1") = "6"
    & skf21("1","7","4","5","7","6","3","1") = "6"
    & skf21("1","7","4","5","7","6","4","1") = "6"
    & skf21("1","7","4","5","7","6","5","1") = "6"
    & skf21("1","7","4","5","7","6","6","1") = "6"
    & skf21("1","7","4","5","7","6","7","1") = "6"
    & skf21("1","7","4","5","7","7","1","1") = "6"
    & skf21("1","7","4","5","7","7","2","1") = "6"
    & skf21("1","7","4","5","7","7","3","1") = "6"
    & skf21("1","7","4","5","7","7","4","1") = "6"
    & skf21("1","7","4","5","7","7","5","1") = "6"
    & skf21("1","7","4","5","7","7","6","1") = "6"
    & skf21("1","7","4","5","7","7","7","1") = "6"
    & skf21("1","7","4","6","1","1","1","1") = "6"
    & skf21("1","7","4","6","1","1","2","1") = "6"
    & skf21("1","7","4","6","1","1","3","1") = "6"
    & skf21("1","7","4","6","1","1","4","1") = "6"
    & skf21("1","7","4","6","1","1","5","1") = "6"
    & skf21("1","7","4","6","1","1","6","1") = "6"
    & skf21("1","7","4","6","1","1","7","1") = "6"
    & skf21("1","7","4","6","1","2","1","1") = "6"
    & skf21("1","7","4","6","1","2","2","1") = "6"
    & skf21("1","7","4","6","1","2","3","1") = "6"
    & skf21("1","7","4","6","1","2","4","1") = "6"
    & skf21("1","7","4","6","1","2","5","1") = "6"
    & skf21("1","7","4","6","1","2","6","1") = "6"
    & skf21("1","7","4","6","1","2","7","1") = "6"
    & skf21("1","7","4","6","1","3","1","1") = "6"
    & skf21("1","7","4","6","1","3","2","1") = "6"
    & skf21("1","7","4","6","1","3","3","1") = "6"
    & skf21("1","7","4","6","1","3","4","1") = "6"
    & skf21("1","7","4","6","1","3","5","1") = "6"
    & skf21("1","7","4","6","1","3","6","1") = "6"
    & skf21("1","7","4","6","1","3","7","1") = "6"
    & skf21("1","7","4","6","1","4","1","1") = "6"
    & skf21("1","7","4","6","1","4","2","1") = "6"
    & skf21("1","7","4","6","1","4","3","1") = "6"
    & skf21("1","7","4","6","1","4","4","1") = "6"
    & skf21("1","7","4","6","1","4","5","1") = "6"
    & skf21("1","7","4","6","1","4","6","1") = "6"
    & skf21("1","7","4","6","1","4","7","1") = "6"
    & skf21("1","7","4","6","1","5","1","1") = "6"
    & skf21("1","7","4","6","1","5","2","1") = "6"
    & skf21("1","7","4","6","1","5","3","1") = "6"
    & skf21("1","7","4","6","1","5","4","1") = "6"
    & skf21("1","7","4","6","1","5","5","1") = "6"
    & skf21("1","7","4","6","1","5","6","1") = "6"
    & skf21("1","7","4","6","1","5","7","1") = "6"
    & skf21("1","7","4","6","1","6","1","1") = "6"
    & skf21("1","7","4","6","1","6","2","1") = "6"
    & skf21("1","7","4","6","1","6","3","1") = "6"
    & skf21("1","7","4","6","1","6","4","1") = "6"
    & skf21("1","7","4","6","1","6","5","1") = "6"
    & skf21("1","7","4","6","1","6","6","1") = "6"
    & skf21("1","7","4","6","1","6","7","1") = "6"
    & skf21("1","7","4","6","1","7","1","1") = "6"
    & skf21("1","7","4","6","1","7","2","1") = "6"
    & skf21("1","7","4","6","1","7","3","1") = "6"
    & skf21("1","7","4","6","1","7","4","1") = "6"
    & skf21("1","7","4","6","1","7","5","1") = "6"
    & skf21("1","7","4","6","1","7","6","1") = "6"
    & skf21("1","7","4","6","1","7","7","1") = "6"
    & skf21("1","7","4","6","2","1","1","1") = "6"
    & skf21("1","7","4","6","2","1","2","1") = "6"
    & skf21("1","7","4","6","2","1","3","1") = "6"
    & skf21("1","7","4","6","2","1","4","1") = "6"
    & skf21("1","7","4","6","2","1","5","1") = "6"
    & skf21("1","7","4","6","2","1","6","1") = "6"
    & skf21("1","7","4","6","2","1","7","1") = "6"
    & skf21("1","7","4","6","2","2","1","1") = "6"
    & skf21("1","7","4","6","2","2","2","1") = "6"
    & skf21("1","7","4","6","2","2","3","1") = "6"
    & skf21("1","7","4","6","2","2","4","1") = "6"
    & skf21("1","7","4","6","2","2","5","1") = "6"
    & skf21("1","7","4","6","2","2","6","1") = "6"
    & skf21("1","7","4","6","2","2","7","1") = "6"
    & skf21("1","7","4","6","2","3","1","1") = "6"
    & skf21("1","7","4","6","2","3","2","1") = "6"
    & skf21("1","7","4","6","2","3","3","1") = "6"
    & skf21("1","7","4","6","2","3","4","1") = "6"
    & skf21("1","7","4","6","2","3","5","1") = "6"
    & skf21("1","7","4","6","2","3","6","1") = "6"
    & skf21("1","7","4","6","2","3","7","1") = "6"
    & skf21("1","7","4","6","2","4","1","1") = "6"
    & skf21("1","7","4","6","2","4","2","1") = "6"
    & skf21("1","7","4","6","2","4","3","1") = "6"
    & skf21("1","7","4","6","2","4","4","1") = "6"
    & skf21("1","7","4","6","2","4","5","1") = "6"
    & skf21("1","7","4","6","2","4","6","1") = "6"
    & skf21("1","7","4","6","2","4","7","1") = "6"
    & skf21("1","7","4","6","2","5","1","1") = "6"
    & skf21("1","7","4","6","2","5","2","1") = "6"
    & skf21("1","7","4","6","2","5","3","1") = "6"
    & skf21("1","7","4","6","2","5","4","1") = "6"
    & skf21("1","7","4","6","2","5","5","1") = "6"
    & skf21("1","7","4","6","2","5","6","1") = "6"
    & skf21("1","7","4","6","2","5","7","1") = "6"
    & skf21("1","7","4","6","2","6","1","1") = "6"
    & skf21("1","7","4","6","2","6","2","1") = "6"
    & skf21("1","7","4","6","2","6","3","1") = "6"
    & skf21("1","7","4","6","2","6","4","1") = "6"
    & skf21("1","7","4","6","2","6","5","1") = "6"
    & skf21("1","7","4","6","2","6","6","1") = "6"
    & skf21("1","7","4","6","2","6","7","1") = "6"
    & skf21("1","7","4","6","2","7","1","1") = "6"
    & skf21("1","7","4","6","2","7","2","1") = "6"
    & skf21("1","7","4","6","2","7","3","1") = "6"
    & skf21("1","7","4","6","2","7","4","1") = "6"
    & skf21("1","7","4","6","2","7","5","1") = "6"
    & skf21("1","7","4","6","2","7","6","1") = "6"
    & skf21("1","7","4","6","2","7","7","1") = "6"
    & skf21("1","7","4","6","3","1","1","1") = "6"
    & skf21("1","7","4","6","3","1","2","1") = "6"
    & skf21("1","7","4","6","3","1","3","1") = "6"
    & skf21("1","7","4","6","3","1","4","1") = "6"
    & skf21("1","7","4","6","3","1","5","1") = "6"
    & skf21("1","7","4","6","3","1","6","1") = "6"
    & skf21("1","7","4","6","3","1","7","1") = "6"
    & skf21("1","7","4","6","3","2","1","1") = "6"
    & skf21("1","7","4","6","3","2","2","1") = "6"
    & skf21("1","7","4","6","3","2","3","1") = "6"
    & skf21("1","7","4","6","3","2","4","1") = "6"
    & skf21("1","7","4","6","3","2","5","1") = "6"
    & skf21("1","7","4","6","3","2","6","1") = "6"
    & skf21("1","7","4","6","3","2","7","1") = "6"
    & skf21("1","7","4","6","3","3","1","1") = "6"
    & skf21("1","7","4","6","3","3","2","1") = "6"
    & skf21("1","7","4","6","3","3","3","1") = "6"
    & skf21("1","7","4","6","3","3","4","1") = "6"
    & skf21("1","7","4","6","3","3","5","1") = "6"
    & skf21("1","7","4","6","3","3","6","1") = "6"
    & skf21("1","7","4","6","3","3","7","1") = "6"
    & skf21("1","7","4","6","3","4","1","1") = "6"
    & skf21("1","7","4","6","3","4","2","1") = "6"
    & skf21("1","7","4","6","3","4","3","1") = "6"
    & skf21("1","7","4","6","3","4","4","1") = "6"
    & skf21("1","7","4","6","3","4","5","1") = "6"
    & skf21("1","7","4","6","3","4","6","1") = "6"
    & skf21("1","7","4","6","3","4","7","1") = "6"
    & skf21("1","7","4","6","3","5","1","1") = "6"
    & skf21("1","7","4","6","3","5","2","1") = "6"
    & skf21("1","7","4","6","3","5","3","1") = "6"
    & skf21("1","7","4","6","3","5","4","1") = "6"
    & skf21("1","7","4","6","3","5","5","1") = "6"
    & skf21("1","7","4","6","3","5","6","1") = "6"
    & skf21("1","7","4","6","3","5","7","1") = "6"
    & skf21("1","7","4","6","3","6","1","1") = "6"
    & skf21("1","7","4","6","3","6","2","1") = "6"
    & skf21("1","7","4","6","3","6","3","1") = "6"
    & skf21("1","7","4","6","3","6","4","1") = "6"
    & skf21("1","7","4","6","3","6","5","1") = "6"
    & skf21("1","7","4","6","3","6","6","1") = "6"
    & skf21("1","7","4","6","3","6","7","1") = "6"
    & skf21("1","7","4","6","3","7","1","1") = "6"
    & skf21("1","7","4","6","3","7","2","1") = "6"
    & skf21("1","7","4","6","3","7","3","1") = "6"
    & skf21("1","7","4","6","3","7","4","1") = "6"
    & skf21("1","7","4","6","3","7","5","1") = "6"
    & skf21("1","7","4","6","3","7","6","1") = "6"
    & skf21("1","7","4","6","3","7","7","1") = "6"
    & skf21("1","7","4","6","4","1","1","1") = "6"
    & skf21("1","7","4","6","4","1","2","1") = "6"
    & skf21("1","7","4","6","4","1","3","1") = "6"
    & skf21("1","7","4","6","4","1","4","1") = "6"
    & skf21("1","7","4","6","4","1","5","1") = "6"
    & skf21("1","7","4","6","4","1","6","1") = "6"
    & skf21("1","7","4","6","4","1","7","1") = "6"
    & skf21("1","7","4","6","4","2","1","1") = "6"
    & skf21("1","7","4","6","4","2","2","1") = "6"
    & skf21("1","7","4","6","4","2","3","1") = "6"
    & skf21("1","7","4","6","4","2","4","1") = "6"
    & skf21("1","7","4","6","4","2","5","1") = "6"
    & skf21("1","7","4","6","4","2","6","1") = "6"
    & skf21("1","7","4","6","4","2","7","1") = "6"
    & skf21("1","7","4","6","4","3","1","1") = "6"
    & skf21("1","7","4","6","4","3","2","1") = "6"
    & skf21("1","7","4","6","4","3","3","1") = "6"
    & skf21("1","7","4","6","4","3","4","1") = "6"
    & skf21("1","7","4","6","4","3","5","1") = "6"
    & skf21("1","7","4","6","4","3","6","1") = "6"
    & skf21("1","7","4","6","4","3","7","1") = "6"
    & skf21("1","7","4","6","4","4","1","1") = "6"
    & skf21("1","7","4","6","4","4","2","1") = "6"
    & skf21("1","7","4","6","4","4","3","1") = "6"
    & skf21("1","7","4","6","4","4","4","1") = "6"
    & skf21("1","7","4","6","4","4","5","1") = "6"
    & skf21("1","7","4","6","4","4","6","1") = "6"
    & skf21("1","7","4","6","4","4","7","1") = "6"
    & skf21("1","7","4","6","4","5","1","1") = "6"
    & skf21("1","7","4","6","4","5","2","1") = "6"
    & skf21("1","7","4","6","4","5","3","1") = "6"
    & skf21("1","7","4","6","4","5","4","1") = "6"
    & skf21("1","7","4","6","4","5","5","1") = "6"
    & skf21("1","7","4","6","4","5","6","1") = "6"
    & skf21("1","7","4","6","4","5","7","1") = "6"
    & skf21("1","7","4","6","4","6","1","1") = "6"
    & skf21("1","7","4","6","4","6","2","1") = "6"
    & skf21("1","7","4","6","4","6","3","1") = "6"
    & skf21("1","7","4","6","4","6","4","1") = "6"
    & skf21("1","7","4","6","4","6","5","1") = "6"
    & skf21("1","7","4","6","4","6","6","1") = "6"
    & skf21("1","7","4","6","4","6","7","1") = "6"
    & skf21("1","7","4","6","4","7","1","1") = "6"
    & skf21("1","7","4","6","4","7","2","1") = "6"
    & skf21("1","7","4","6","4","7","3","1") = "6"
    & skf21("1","7","4","6","4","7","4","1") = "6"
    & skf21("1","7","4","6","4","7","5","1") = "6"
    & skf21("1","7","4","6","4","7","6","1") = "6"
    & skf21("1","7","4","6","4","7","7","1") = "6"
    & skf21("1","7","4","6","5","1","1","1") = "6"
    & skf21("1","7","4","6","5","1","2","1") = "6"
    & skf21("1","7","4","6","5","1","3","1") = "6"
    & skf21("1","7","4","6","5","1","4","1") = "6"
    & skf21("1","7","4","6","5","1","5","1") = "6"
    & skf21("1","7","4","6","5","1","6","1") = "6"
    & skf21("1","7","4","6","5","1","7","1") = "6"
    & skf21("1","7","4","6","5","2","1","1") = "6"
    & skf21("1","7","4","6","5","2","2","1") = "6"
    & skf21("1","7","4","6","5","2","3","1") = "6"
    & skf21("1","7","4","6","5","2","4","1") = "6"
    & skf21("1","7","4","6","5","2","5","1") = "6"
    & skf21("1","7","4","6","5","2","6","1") = "6"
    & skf21("1","7","4","6","5","2","7","1") = "6"
    & skf21("1","7","4","6","5","3","1","1") = "6"
    & skf21("1","7","4","6","5","3","2","1") = "6"
    & skf21("1","7","4","6","5","3","3","1") = "6"
    & skf21("1","7","4","6","5","3","4","1") = "6"
    & skf21("1","7","4","6","5","3","5","1") = "6"
    & skf21("1","7","4","6","5","3","6","1") = "6"
    & skf21("1","7","4","6","5","3","7","1") = "6"
    & skf21("1","7","4","6","5","4","1","1") = "6"
    & skf21("1","7","4","6","5","4","2","1") = "6"
    & skf21("1","7","4","6","5","4","3","1") = "6"
    & skf21("1","7","4","6","5","4","4","1") = "6"
    & skf21("1","7","4","6","5","4","5","1") = "6"
    & skf21("1","7","4","6","5","4","6","1") = "6"
    & skf21("1","7","4","6","5","4","7","1") = "6"
    & skf21("1","7","4","6","5","5","1","1") = "6"
    & skf21("1","7","4","6","5","5","2","1") = "6"
    & skf21("1","7","4","6","5","5","3","1") = "6"
    & skf21("1","7","4","6","5","5","4","1") = "6"
    & skf21("1","7","4","6","5","5","5","1") = "6"
    & skf21("1","7","4","6","5","5","6","1") = "6"
    & skf21("1","7","4","6","5","5","7","1") = "6"
    & skf21("1","7","4","6","5","6","1","1") = "6"
    & skf21("1","7","4","6","5","6","2","1") = "6"
    & skf21("1","7","4","6","5","6","3","1") = "6"
    & skf21("1","7","4","6","5","6","4","1") = "6"
    & skf21("1","7","4","6","5","6","5","1") = "6"
    & skf21("1","7","4","6","5","6","6","1") = "6"
    & skf21("1","7","4","6","5","6","7","1") = "6"
    & skf21("1","7","4","6","5","7","1","1") = "6"
    & skf21("1","7","4","6","5","7","2","1") = "6"
    & skf21("1","7","4","6","5","7","3","1") = "6"
    & skf21("1","7","4","6","5","7","4","1") = "6"
    & skf21("1","7","4","6","5","7","5","1") = "6"
    & skf21("1","7","4","6","5","7","6","1") = "6"
    & skf21("1","7","4","6","5","7","7","1") = "6"
    & skf21("1","7","4","6","6","1","1","1") = "6"
    & skf21("1","7","4","6","6","1","2","1") = "6"
    & skf21("1","7","4","6","6","1","3","1") = "6"
    & skf21("1","7","4","6","6","1","4","1") = "6"
    & skf21("1","7","4","6","6","1","5","1") = "6"
    & skf21("1","7","4","6","6","1","6","1") = "6"
    & skf21("1","7","4","6","6","1","7","1") = "6"
    & skf21("1","7","4","6","6","2","1","1") = "6"
    & skf21("1","7","4","6","6","2","2","1") = "6"
    & skf21("1","7","4","6","6","2","3","1") = "6"
    & skf21("1","7","4","6","6","2","4","1") = "6"
    & skf21("1","7","4","6","6","2","5","1") = "6"
    & skf21("1","7","4","6","6","2","6","1") = "6"
    & skf21("1","7","4","6","6","2","7","1") = "6"
    & skf21("1","7","4","6","6","3","1","1") = "6"
    & skf21("1","7","4","6","6","3","2","1") = "6"
    & skf21("1","7","4","6","6","3","3","1") = "6"
    & skf21("1","7","4","6","6","3","4","1") = "6"
    & skf21("1","7","4","6","6","3","5","1") = "6"
    & skf21("1","7","4","6","6","3","6","1") = "6"
    & skf21("1","7","4","6","6","3","7","1") = "6"
    & skf21("1","7","4","6","6","4","1","1") = "6"
    & skf21("1","7","4","6","6","4","2","1") = "6"
    & skf21("1","7","4","6","6","4","3","1") = "6"
    & skf21("1","7","4","6","6","4","4","1") = "6"
    & skf21("1","7","4","6","6","4","5","1") = "6"
    & skf21("1","7","4","6","6","4","6","1") = "6"
    & skf21("1","7","4","6","6","4","7","1") = "6"
    & skf21("1","7","4","6","6","5","1","1") = "6"
    & skf21("1","7","4","6","6","5","2","1") = "6"
    & skf21("1","7","4","6","6","5","3","1") = "6"
    & skf21("1","7","4","6","6","5","4","1") = "6"
    & skf21("1","7","4","6","6","5","5","1") = "6"
    & skf21("1","7","4","6","6","5","6","1") = "6"
    & skf21("1","7","4","6","6","5","7","1") = "6"
    & skf21("1","7","4","6","6","6","1","1") = "6"
    & skf21("1","7","4","6","6","6","2","1") = "6"
    & skf21("1","7","4","6","6","6","3","1") = "6"
    & skf21("1","7","4","6","6","6","4","1") = "6"
    & skf21("1","7","4","6","6","6","5","1") = "6"
    & skf21("1","7","4","6","6","6","6","1") = "6"
    & skf21("1","7","4","6","6","6","7","1") = "6"
    & skf21("1","7","4","6","6","7","1","1") = "6"
    & skf21("1","7","4","6","6","7","2","1") = "6"
    & skf21("1","7","4","6","6","7","3","1") = "6"
    & skf21("1","7","4","6","6","7","4","1") = "6"
    & skf21("1","7","4","6","6","7","5","1") = "6"
    & skf21("1","7","4","6","6","7","6","1") = "6"
    & skf21("1","7","4","6","6","7","7","1") = "6"
    & skf21("1","7","4","6","7","1","1","1") = "6"
    & skf21("1","7","4","6","7","1","2","1") = "6"
    & skf21("1","7","4","6","7","1","3","1") = "6"
    & skf21("1","7","4","6","7","1","4","1") = "6"
    & skf21("1","7","4","6","7","1","5","1") = "6"
    & skf21("1","7","4","6","7","1","6","1") = "6"
    & skf21("1","7","4","6","7","1","7","1") = "6"
    & skf21("1","7","4","6","7","2","1","1") = "6"
    & skf21("1","7","4","6","7","2","2","1") = "6"
    & skf21("1","7","4","6","7","2","3","1") = "6"
    & skf21("1","7","4","6","7","2","4","1") = "6"
    & skf21("1","7","4","6","7","2","5","1") = "6"
    & skf21("1","7","4","6","7","2","6","1") = "6"
    & skf21("1","7","4","6","7","2","7","1") = "6"
    & skf21("1","7","4","6","7","3","1","1") = "6"
    & skf21("1","7","4","6","7","3","2","1") = "6"
    & skf21("1","7","4","6","7","3","3","1") = "6"
    & skf21("1","7","4","6","7","3","4","1") = "6"
    & skf21("1","7","4","6","7","3","5","1") = "6"
    & skf21("1","7","4","6","7","3","6","1") = "6"
    & skf21("1","7","4","6","7","3","7","1") = "6"
    & skf21("1","7","4","6","7","4","1","1") = "6"
    & skf21("1","7","4","6","7","4","2","1") = "6"
    & skf21("1","7","4","6","7","4","3","1") = "6"
    & skf21("1","7","4","6","7","4","4","1") = "6"
    & skf21("1","7","4","6","7","4","5","1") = "6"
    & skf21("1","7","4","6","7","4","6","1") = "6"
    & skf21("1","7","4","6","7","4","7","1") = "6"
    & skf21("1","7","4","6","7","5","1","1") = "6"
    & skf21("1","7","4","6","7","5","2","1") = "6"
    & skf21("1","7","4","6","7","5","3","1") = "6"
    & skf21("1","7","4","6","7","5","4","1") = "6"
    & skf21("1","7","4","6","7","5","5","1") = "6"
    & skf21("1","7","4","6","7","5","6","1") = "6"
    & skf21("1","7","4","6","7","5","7","1") = "6"
    & skf21("1","7","4","6","7","6","1","1") = "6"
    & skf21("1","7","4","6","7","6","2","1") = "6"
    & skf21("1","7","4","6","7","6","3","1") = "6"
    & skf21("1","7","4","6","7","6","4","1") = "6"
    & skf21("1","7","4","6","7","6","5","1") = "6"
    & skf21("1","7","4","6","7","6","6","1") = "6"
    & skf21("1","7","4","6","7","6","7","1") = "6"
    & skf21("1","7","4","6","7","7","1","1") = "6"
    & skf21("1","7","4","6","7","7","2","1") = "6"
    & skf21("1","7","4","6","7","7","3","1") = "6"
    & skf21("1","7","4","6","7","7","4","1") = "6"
    & skf21("1","7","4","6","7","7","5","1") = "6"
    & skf21("1","7","4","6","7","7","6","1") = "6"
    & skf21("1","7","4","6","7","7","7","1") = "6"
    & skf21("1","7","4","7","1","1","1","1") = "6"
    & skf21("1","7","4","7","1","1","2","1") = "6"
    & skf21("1","7","4","7","1","1","3","1") = "6"
    & skf21("1","7","4","7","1","1","4","1") = "6"
    & skf21("1","7","4","7","1","1","5","1") = "6"
    & skf21("1","7","4","7","1","1","6","1") = "6"
    & skf21("1","7","4","7","1","1","7","1") = "6"
    & skf21("1","7","4","7","1","2","1","1") = "6"
    & skf21("1","7","4","7","1","2","2","1") = "6"
    & skf21("1","7","4","7","1","2","3","1") = "6"
    & skf21("1","7","4","7","1","2","4","1") = "6"
    & skf21("1","7","4","7","1","2","5","1") = "6"
    & skf21("1","7","4","7","1","2","6","1") = "6"
    & skf21("1","7","4","7","1","2","7","1") = "6"
    & skf21("1","7","4","7","1","3","1","1") = "6"
    & skf21("1","7","4","7","1","3","2","1") = "6"
    & skf21("1","7","4","7","1","3","3","1") = "6"
    & skf21("1","7","4","7","1","3","4","1") = "6"
    & skf21("1","7","4","7","1","3","5","1") = "6"
    & skf21("1","7","4","7","1","3","6","1") = "6"
    & skf21("1","7","4","7","1","3","7","1") = "6"
    & skf21("1","7","4","7","1","4","1","1") = "6"
    & skf21("1","7","4","7","1","4","2","1") = "6"
    & skf21("1","7","4","7","1","4","3","1") = "6"
    & skf21("1","7","4","7","1","4","4","1") = "6"
    & skf21("1","7","4","7","1","4","5","1") = "6"
    & skf21("1","7","4","7","1","4","6","1") = "6"
    & skf21("1","7","4","7","1","4","7","1") = "6"
    & skf21("1","7","4","7","1","5","1","1") = "6"
    & skf21("1","7","4","7","1","5","2","1") = "6"
    & skf21("1","7","4","7","1","5","3","1") = "6"
    & skf21("1","7","4","7","1","5","4","1") = "6"
    & skf21("1","7","4","7","1","5","5","1") = "6"
    & skf21("1","7","4","7","1","5","6","1") = "6"
    & skf21("1","7","4","7","1","5","7","1") = "6"
    & skf21("1","7","4","7","1","6","1","1") = "6"
    & skf21("1","7","4","7","1","6","2","1") = "6"
    & skf21("1","7","4","7","1","6","3","1") = "6"
    & skf21("1","7","4","7","1","6","4","1") = "6"
    & skf21("1","7","4","7","1","6","5","1") = "6"
    & skf21("1","7","4","7","1","6","6","1") = "6"
    & skf21("1","7","4","7","1","6","7","1") = "6"
    & skf21("1","7","4","7","1","7","1","1") = "6"
    & skf21("1","7","4","7","1","7","2","1") = "6"
    & skf21("1","7","4","7","1","7","3","1") = "6"
    & skf21("1","7","4","7","1","7","4","1") = "6"
    & skf21("1","7","4","7","1","7","5","1") = "6"
    & skf21("1","7","4","7","1","7","6","1") = "6"
    & skf21("1","7","4","7","1","7","7","1") = "6"
    & skf21("1","7","4","7","2","1","1","1") = "6"
    & skf21("1","7","4","7","2","1","2","1") = "6"
    & skf21("1","7","4","7","2","1","3","1") = "6"
    & skf21("1","7","4","7","2","1","4","1") = "6"
    & skf21("1","7","4","7","2","1","5","1") = "6"
    & skf21("1","7","4","7","2","1","6","1") = "6"
    & skf21("1","7","4","7","2","1","7","1") = "6"
    & skf21("1","7","4","7","2","2","1","1") = "6"
    & skf21("1","7","4","7","2","2","2","1") = "6"
    & skf21("1","7","4","7","2","2","3","1") = "6"
    & skf21("1","7","4","7","2","2","4","1") = "6"
    & skf21("1","7","4","7","2","2","5","1") = "6"
    & skf21("1","7","4","7","2","2","6","1") = "6"
    & skf21("1","7","4","7","2","2","7","1") = "6"
    & skf21("1","7","4","7","2","3","1","1") = "6"
    & skf21("1","7","4","7","2","3","2","1") = "6"
    & skf21("1","7","4","7","2","3","3","1") = "6"
    & skf21("1","7","4","7","2","3","4","1") = "6"
    & skf21("1","7","4","7","2","3","5","1") = "6"
    & skf21("1","7","4","7","2","3","6","1") = "6"
    & skf21("1","7","4","7","2","3","7","1") = "6"
    & skf21("1","7","4","7","2","4","1","1") = "6"
    & skf21("1","7","4","7","2","4","2","1") = "6"
    & skf21("1","7","4","7","2","4","3","1") = "6"
    & skf21("1","7","4","7","2","4","4","1") = "6"
    & skf21("1","7","4","7","2","4","5","1") = "6"
    & skf21("1","7","4","7","2","4","6","1") = "6"
    & skf21("1","7","4","7","2","4","7","1") = "6"
    & skf21("1","7","4","7","2","5","1","1") = "6"
    & skf21("1","7","4","7","2","5","2","1") = "6"
    & skf21("1","7","4","7","2","5","3","1") = "6"
    & skf21("1","7","4","7","2","5","4","1") = "6"
    & skf21("1","7","4","7","2","5","5","1") = "6"
    & skf21("1","7","4","7","2","5","6","1") = "6"
    & skf21("1","7","4","7","2","5","7","1") = "6"
    & skf21("1","7","4","7","2","6","1","1") = "6"
    & skf21("1","7","4","7","2","6","2","1") = "6"
    & skf21("1","7","4","7","2","6","3","1") = "6"
    & skf21("1","7","4","7","2","6","4","1") = "6"
    & skf21("1","7","4","7","2","6","5","1") = "6"
    & skf21("1","7","4","7","2","6","6","1") = "6"
    & skf21("1","7","4","7","2","6","7","1") = "6"
    & skf21("1","7","4","7","2","7","1","1") = "6"
    & skf21("1","7","4","7","2","7","2","1") = "6"
    & skf21("1","7","4","7","2","7","3","1") = "6"
    & skf21("1","7","4","7","2","7","4","1") = "6"
    & skf21("1","7","4","7","2","7","5","1") = "6"
    & skf21("1","7","4","7","2","7","6","1") = "6"
    & skf21("1","7","4","7","2","7","7","1") = "6"
    & skf21("1","7","4","7","3","1","1","1") = "6"
    & skf21("1","7","4","7","3","1","2","1") = "6"
    & skf21("1","7","4","7","3","1","3","1") = "6"
    & skf21("1","7","4","7","3","1","4","1") = "6"
    & skf21("1","7","4","7","3","1","5","1") = "6"
    & skf21("1","7","4","7","3","1","6","1") = "6"
    & skf21("1","7","4","7","3","1","7","1") = "6"
    & skf21("1","7","4","7","3","2","1","1") = "6"
    & skf21("1","7","4","7","3","2","2","1") = "6"
    & skf21("1","7","4","7","3","2","3","1") = "6"
    & skf21("1","7","4","7","3","2","4","1") = "6"
    & skf21("1","7","4","7","3","2","5","1") = "6"
    & skf21("1","7","4","7","3","2","6","1") = "6"
    & skf21("1","7","4","7","3","2","7","1") = "6"
    & skf21("1","7","4","7","3","3","1","1") = "6"
    & skf21("1","7","4","7","3","3","2","1") = "6"
    & skf21("1","7","4","7","3","3","3","1") = "6"
    & skf21("1","7","4","7","3","3","4","1") = "6"
    & skf21("1","7","4","7","3","3","5","1") = "6"
    & skf21("1","7","4","7","3","3","6","1") = "6"
    & skf21("1","7","4","7","3","3","7","1") = "6"
    & skf21("1","7","4","7","3","4","1","1") = "6"
    & skf21("1","7","4","7","3","4","2","1") = "6"
    & skf21("1","7","4","7","3","4","3","1") = "6"
    & skf21("1","7","4","7","3","4","4","1") = "6"
    & skf21("1","7","4","7","3","4","5","1") = "6"
    & skf21("1","7","4","7","3","4","6","1") = "6"
    & skf21("1","7","4","7","3","4","7","1") = "6"
    & skf21("1","7","4","7","3","5","1","1") = "6"
    & skf21("1","7","4","7","3","5","2","1") = "6"
    & skf21("1","7","4","7","3","5","3","1") = "6"
    & skf21("1","7","4","7","3","5","4","1") = "6"
    & skf21("1","7","4","7","3","5","5","1") = "6"
    & skf21("1","7","4","7","3","5","6","1") = "6"
    & skf21("1","7","4","7","3","5","7","1") = "6"
    & skf21("1","7","4","7","3","6","1","1") = "6"
    & skf21("1","7","4","7","3","6","2","1") = "6"
    & skf21("1","7","4","7","3","6","3","1") = "6"
    & skf21("1","7","4","7","3","6","4","1") = "6"
    & skf21("1","7","4","7","3","6","5","1") = "6"
    & skf21("1","7","4","7","3","6","6","1") = "6"
    & skf21("1","7","4","7","3","6","7","1") = "6"
    & skf21("1","7","4","7","3","7","1","1") = "6"
    & skf21("1","7","4","7","3","7","2","1") = "6"
    & skf21("1","7","4","7","3","7","3","1") = "6"
    & skf21("1","7","4","7","3","7","4","1") = "6"
    & skf21("1","7","4","7","3","7","5","1") = "6"
    & skf21("1","7","4","7","3","7","6","1") = "6"
    & skf21("1","7","4","7","3","7","7","1") = "6"
    & skf21("1","7","4","7","4","1","1","1") = "6"
    & skf21("1","7","4","7","4","1","2","1") = "6"
    & skf21("1","7","4","7","4","1","3","1") = "6"
    & skf21("1","7","4","7","4","1","4","1") = "6"
    & skf21("1","7","4","7","4","1","5","1") = "6"
    & skf21("1","7","4","7","4","1","6","1") = "6"
    & skf21("1","7","4","7","4","1","7","1") = "6"
    & skf21("1","7","4","7","4","2","1","1") = "6"
    & skf21("1","7","4","7","4","2","2","1") = "6"
    & skf21("1","7","4","7","4","2","3","1") = "6"
    & skf21("1","7","4","7","4","2","4","1") = "6"
    & skf21("1","7","4","7","4","2","5","1") = "6"
    & skf21("1","7","4","7","4","2","6","1") = "6"
    & skf21("1","7","4","7","4","2","7","1") = "6"
    & skf21("1","7","4","7","4","3","1","1") = "6"
    & skf21("1","7","4","7","4","3","2","1") = "6"
    & skf21("1","7","4","7","4","3","3","1") = "6"
    & skf21("1","7","4","7","4","3","4","1") = "6"
    & skf21("1","7","4","7","4","3","5","1") = "6"
    & skf21("1","7","4","7","4","3","6","1") = "6"
    & skf21("1","7","4","7","4","3","7","1") = "6"
    & skf21("1","7","4","7","4","4","1","1") = "6"
    & skf21("1","7","4","7","4","4","2","1") = "6"
    & skf21("1","7","4","7","4","4","3","1") = "6"
    & skf21("1","7","4","7","4","4","4","1") = "6"
    & skf21("1","7","4","7","4","4","5","1") = "6"
    & skf21("1","7","4","7","4","4","6","1") = "6"
    & skf21("1","7","4","7","4","4","7","1") = "6"
    & skf21("1","7","4","7","4","5","1","1") = "6"
    & skf21("1","7","4","7","4","5","2","1") = "6"
    & skf21("1","7","4","7","4","5","3","1") = "6"
    & skf21("1","7","4","7","4","5","4","1") = "6"
    & skf21("1","7","4","7","4","5","5","1") = "6"
    & skf21("1","7","4","7","4","5","6","1") = "6"
    & skf21("1","7","4","7","4","5","7","1") = "6"
    & skf21("1","7","4","7","4","6","1","1") = "6"
    & skf21("1","7","4","7","4","6","2","1") = "6"
    & skf21("1","7","4","7","4","6","3","1") = "6"
    & skf21("1","7","4","7","4","6","4","1") = "6"
    & skf21("1","7","4","7","4","6","5","1") = "6"
    & skf21("1","7","4","7","4","6","6","1") = "6"
    & skf21("1","7","4","7","4","6","7","1") = "6"
    & skf21("1","7","4","7","4","7","1","1") = "6"
    & skf21("1","7","4","7","4","7","2","1") = "6"
    & skf21("1","7","4","7","4","7","3","1") = "6"
    & skf21("1","7","4","7","4","7","4","1") = "6"
    & skf21("1","7","4","7","4","7","5","1") = "6"
    & skf21("1","7","4","7","4","7","6","1") = "6"
    & skf21("1","7","4","7","4","7","7","1") = "6"
    & skf21("1","7","4","7","5","1","1","1") = "6"
    & skf21("1","7","4","7","5","1","2","1") = "6"
    & skf21("1","7","4","7","5","1","3","1") = "6"
    & skf21("1","7","4","7","5","1","4","1") = "6"
    & skf21("1","7","4","7","5","1","5","1") = "6"
    & skf21("1","7","4","7","5","1","6","1") = "6"
    & skf21("1","7","4","7","5","1","7","1") = "6"
    & skf21("1","7","4","7","5","2","1","1") = "6"
    & skf21("1","7","4","7","5","2","2","1") = "6"
    & skf21("1","7","4","7","5","2","3","1") = "6"
    & skf21("1","7","4","7","5","2","4","1") = "6"
    & skf21("1","7","4","7","5","2","5","1") = "6"
    & skf21("1","7","4","7","5","2","6","1") = "6"
    & skf21("1","7","4","7","5","2","7","1") = "6"
    & skf21("1","7","4","7","5","3","1","1") = "6"
    & skf21("1","7","4","7","5","3","2","1") = "6"
    & skf21("1","7","4","7","5","3","3","1") = "6"
    & skf21("1","7","4","7","5","3","4","1") = "6"
    & skf21("1","7","4","7","5","3","5","1") = "6"
    & skf21("1","7","4","7","5","3","6","1") = "6"
    & skf21("1","7","4","7","5","3","7","1") = "6"
    & skf21("1","7","4","7","5","4","1","1") = "6"
    & skf21("1","7","4","7","5","4","2","1") = "6"
    & skf21("1","7","4","7","5","4","3","1") = "6"
    & skf21("1","7","4","7","5","4","4","1") = "6"
    & skf21("1","7","4","7","5","4","5","1") = "6"
    & skf21("1","7","4","7","5","4","6","1") = "6"
    & skf21("1","7","4","7","5","4","7","1") = "6"
    & skf21("1","7","4","7","5","5","1","1") = "6"
    & skf21("1","7","4","7","5","5","2","1") = "6"
    & skf21("1","7","4","7","5","5","3","1") = "6"
    & skf21("1","7","4","7","5","5","4","1") = "6"
    & skf21("1","7","4","7","5","5","5","1") = "6"
    & skf21("1","7","4","7","5","5","6","1") = "6"
    & skf21("1","7","4","7","5","5","7","1") = "6"
    & skf21("1","7","4","7","5","6","1","1") = "6"
    & skf21("1","7","4","7","5","6","2","1") = "6"
    & skf21("1","7","4","7","5","6","3","1") = "6"
    & skf21("1","7","4","7","5","6","4","1") = "6"
    & skf21("1","7","4","7","5","6","5","1") = "6"
    & skf21("1","7","4","7","5","6","6","1") = "6"
    & skf21("1","7","4","7","5","6","7","1") = "6"
    & skf21("1","7","4","7","5","7","1","1") = "6"
    & skf21("1","7","4","7","5","7","2","1") = "6"
    & skf21("1","7","4","7","5","7","3","1") = "6"
    & skf21("1","7","4","7","5","7","4","1") = "6"
    & skf21("1","7","4","7","5","7","5","1") = "6"
    & skf21("1","7","4","7","5","7","6","1") = "6"
    & skf21("1","7","4","7","5","7","7","1") = "6"
    & skf21("1","7","4","7","6","1","1","1") = "6"
    & skf21("1","7","4","7","6","1","2","1") = "6"
    & skf21("1","7","4","7","6","1","3","1") = "6"
    & skf21("1","7","4","7","6","1","4","1") = "6"
    & skf21("1","7","4","7","6","1","5","1") = "6"
    & skf21("1","7","4","7","6","1","6","1") = "6"
    & skf21("1","7","4","7","6","1","7","1") = "6"
    & skf21("1","7","4","7","6","2","1","1") = "6"
    & skf21("1","7","4","7","6","2","2","1") = "6"
    & skf21("1","7","4","7","6","2","3","1") = "6"
    & skf21("1","7","4","7","6","2","4","1") = "6"
    & skf21("1","7","4","7","6","2","5","1") = "6"
    & skf21("1","7","4","7","6","2","6","1") = "6"
    & skf21("1","7","4","7","6","2","7","1") = "6"
    & skf21("1","7","4","7","6","3","1","1") = "6"
    & skf21("1","7","4","7","6","3","2","1") = "6"
    & skf21("1","7","4","7","6","3","3","1") = "6"
    & skf21("1","7","4","7","6","3","4","1") = "6"
    & skf21("1","7","4","7","6","3","5","1") = "6"
    & skf21("1","7","4","7","6","3","6","1") = "6"
    & skf21("1","7","4","7","6","3","7","1") = "6"
    & skf21("1","7","4","7","6","4","1","1") = "6"
    & skf21("1","7","4","7","6","4","2","1") = "6"
    & skf21("1","7","4","7","6","4","3","1") = "6"
    & skf21("1","7","4","7","6","4","4","1") = "6"
    & skf21("1","7","4","7","6","4","5","1") = "6"
    & skf21("1","7","4","7","6","4","6","1") = "6"
    & skf21("1","7","4","7","6","4","7","1") = "6"
    & skf21("1","7","4","7","6","5","1","1") = "6"
    & skf21("1","7","4","7","6","5","2","1") = "6"
    & skf21("1","7","4","7","6","5","3","1") = "6"
    & skf21("1","7","4","7","6","5","4","1") = "6"
    & skf21("1","7","4","7","6","5","5","1") = "6"
    & skf21("1","7","4","7","6","5","6","1") = "6"
    & skf21("1","7","4","7","6","5","7","1") = "6"
    & skf21("1","7","4","7","6","6","1","1") = "6"
    & skf21("1","7","4","7","6","6","2","1") = "6"
    & skf21("1","7","4","7","6","6","3","1") = "6"
    & skf21("1","7","4","7","6","6","4","1") = "6"
    & skf21("1","7","4","7","6","6","5","1") = "6"
    & skf21("1","7","4","7","6","6","6","1") = "6"
    & skf21("1","7","4","7","6","6","7","1") = "6"
    & skf21("1","7","4","7","6","7","1","1") = "6"
    & skf21("1","7","4","7","6","7","2","1") = "6"
    & skf21("1","7","4","7","6","7","3","1") = "6"
    & skf21("1","7","4","7","6","7","4","1") = "6"
    & skf21("1","7","4","7","6","7","5","1") = "6"
    & skf21("1","7","4","7","6","7","6","1") = "6"
    & skf21("1","7","4","7","6","7","7","1") = "6"
    & skf21("1","7","4","7","7","1","1","1") = "6"
    & skf21("1","7","4","7","7","1","2","1") = "6"
    & skf21("1","7","4","7","7","1","3","1") = "6"
    & skf21("1","7","4","7","7","1","4","1") = "6"
    & skf21("1","7","4","7","7","1","5","1") = "6"
    & skf21("1","7","4","7","7","1","6","1") = "6"
    & skf21("1","7","4","7","7","1","7","1") = "6"
    & skf21("1","7","4","7","7","2","1","1") = "6"
    & skf21("1","7","4","7","7","2","2","1") = "6"
    & skf21("1","7","4","7","7","2","3","1") = "6"
    & skf21("1","7","4","7","7","2","4","1") = "6"
    & skf21("1","7","4","7","7","2","5","1") = "6"
    & skf21("1","7","4","7","7","2","6","1") = "6"
    & skf21("1","7","4","7","7","2","7","1") = "6"
    & skf21("1","7","4","7","7","3","1","1") = "6"
    & skf21("1","7","4","7","7","3","2","1") = "6"
    & skf21("1","7","4","7","7","3","3","1") = "6"
    & skf21("1","7","4","7","7","3","4","1") = "6"
    & skf21("1","7","4","7","7","3","5","1") = "6"
    & skf21("1","7","4","7","7","3","6","1") = "6"
    & skf21("1","7","4","7","7","3","7","1") = "6"
    & skf21("1","7","4","7","7","4","1","1") = "6"
    & skf21("1","7","4","7","7","4","2","1") = "6"
    & skf21("1","7","4","7","7","4","3","1") = "6"
    & skf21("1","7","4","7","7","4","4","1") = "6"
    & skf21("1","7","4","7","7","4","5","1") = "6"
    & skf21("1","7","4","7","7","4","6","1") = "6"
    & skf21("1","7","4","7","7","4","7","1") = "6"
    & skf21("1","7","4","7","7","5","1","1") = "6"
    & skf21("1","7","4","7","7","5","2","1") = "6"
    & skf21("1","7","4","7","7","5","3","1") = "6"
    & skf21("1","7","4","7","7","5","4","1") = "6"
    & skf21("1","7","4","7","7","5","5","1") = "6"
    & skf21("1","7","4","7","7","5","6","1") = "6"
    & skf21("1","7","4","7","7","5","7","1") = "6"
    & skf21("1","7","4","7","7","6","1","1") = "6"
    & skf21("1","7","4","7","7","6","2","1") = "6"
    & skf21("1","7","4","7","7","6","3","1") = "6"
    & skf21("1","7","4","7","7","6","4","1") = "6"
    & skf21("1","7","4","7","7","6","5","1") = "6"
    & skf21("1","7","4","7","7","6","6","1") = "6"
    & skf21("1","7","4","7","7","6","7","1") = "6"
    & skf21("1","7","4","7","7","7","1","1") = "6"
    & skf21("1","7","4","7","7","7","2","1") = "6"
    & skf21("1","7","4","7","7","7","3","1") = "6"
    & skf21("1","7","4","7","7","7","4","1") = "6"
    & skf21("1","7","4","7","7","7","5","1") = "6"
    & skf21("1","7","4","7","7","7","6","1") = "6"
    & skf21("1","7","4","7","7","7","7","1") = "6"
    & skf21("1","7","5","1","1","1","1","1") = "6"
    & skf21("1","7","5","1","1","1","2","1") = "6"
    & skf21("1","7","5","1","1","1","3","1") = "6"
    & skf21("1","7","5","1","1","1","4","1") = "6"
    & skf21("1","7","5","1","1","1","5","1") = "6"
    & skf21("1","7","5","1","1","1","6","1") = "6"
    & skf21("1","7","5","1","1","1","7","1") = "6"
    & skf21("1","7","5","1","1","2","1","1") = "6"
    & skf21("1","7","5","1","1","2","2","1") = "6"
    & skf21("1","7","5","1","1","2","3","1") = "6"
    & skf21("1","7","5","1","1","2","4","1") = "6"
    & skf21("1","7","5","1","1","2","5","1") = "6"
    & skf21("1","7","5","1","1","2","6","1") = "6"
    & skf21("1","7","5","1","1","2","7","1") = "6"
    & skf21("1","7","5","1","1","3","1","1") = "6"
    & skf21("1","7","5","1","1","3","2","1") = "6"
    & skf21("1","7","5","1","1","3","3","1") = "6"
    & skf21("1","7","5","1","1","3","4","1") = "6"
    & skf21("1","7","5","1","1","3","5","1") = "6"
    & skf21("1","7","5","1","1","3","6","1") = "6"
    & skf21("1","7","5","1","1","3","7","1") = "6"
    & skf21("1","7","5","1","1","4","1","1") = "6"
    & skf21("1","7","5","1","1","4","2","1") = "6"
    & skf21("1","7","5","1","1","4","3","1") = "6"
    & skf21("1","7","5","1","1","4","4","1") = "6"
    & skf21("1","7","5","1","1","4","5","1") = "6"
    & skf21("1","7","5","1","1","4","6","1") = "6"
    & skf21("1","7","5","1","1","4","7","1") = "6"
    & skf21("1","7","5","1","1","5","1","1") = "6"
    & skf21("1","7","5","1","1","5","2","1") = "6"
    & skf21("1","7","5","1","1","5","3","1") = "6"
    & skf21("1","7","5","1","1","5","4","1") = "6"
    & skf21("1","7","5","1","1","5","5","1") = "6"
    & skf21("1","7","5","1","1","5","6","1") = "6"
    & skf21("1","7","5","1","1","5","7","1") = "6"
    & skf21("1","7","5","1","1","6","1","1") = "6"
    & skf21("1","7","5","1","1","6","2","1") = "6"
    & skf21("1","7","5","1","1","6","3","1") = "6"
    & skf21("1","7","5","1","1","6","4","1") = "6"
    & skf21("1","7","5","1","1","6","5","1") = "6"
    & skf21("1","7","5","1","1","6","6","1") = "6"
    & skf21("1","7","5","1","1","6","7","1") = "6"
    & skf21("1","7","5","1","1","7","1","1") = "6"
    & skf21("1","7","5","1","1","7","2","1") = "6"
    & skf21("1","7","5","1","1","7","3","1") = "6"
    & skf21("1","7","5","1","1","7","4","1") = "6"
    & skf21("1","7","5","1","1","7","5","1") = "6"
    & skf21("1","7","5","1","1","7","6","1") = "6"
    & skf21("1","7","5","1","1","7","7","1") = "6"
    & skf21("1","7","5","1","2","1","1","1") = "6"
    & skf21("1","7","5","1","2","1","2","1") = "6"
    & skf21("1","7","5","1","2","1","3","1") = "6"
    & skf21("1","7","5","1","2","1","4","1") = "6"
    & skf21("1","7","5","1","2","1","5","1") = "6"
    & skf21("1","7","5","1","2","1","6","1") = "6"
    & skf21("1","7","5","1","2","1","7","1") = "6"
    & skf21("1","7","5","1","2","2","1","1") = "6"
    & skf21("1","7","5","1","2","2","2","1") = "6"
    & skf21("1","7","5","1","2","2","3","1") = "6"
    & skf21("1","7","5","1","2","2","4","1") = "6"
    & skf21("1","7","5","1","2","2","5","1") = "6"
    & skf21("1","7","5","1","2","2","6","1") = "6"
    & skf21("1","7","5","1","2","2","7","1") = "6"
    & skf21("1","7","5","1","2","3","1","1") = "6"
    & skf21("1","7","5","1","2","3","2","1") = "6"
    & skf21("1","7","5","1","2","3","3","1") = "6"
    & skf21("1","7","5","1","2","3","4","1") = "6"
    & skf21("1","7","5","1","2","3","5","1") = "6"
    & skf21("1","7","5","1","2","3","6","1") = "6"
    & skf21("1","7","5","1","2","3","7","1") = "6"
    & skf21("1","7","5","1","2","4","1","1") = "6"
    & skf21("1","7","5","1","2","4","2","1") = "6"
    & skf21("1","7","5","1","2","4","3","1") = "6"
    & skf21("1","7","5","1","2","4","4","1") = "6"
    & skf21("1","7","5","1","2","4","5","1") = "6"
    & skf21("1","7","5","1","2","4","6","1") = "6"
    & skf21("1","7","5","1","2","4","7","1") = "6"
    & skf21("1","7","5","1","2","5","1","1") = "6"
    & skf21("1","7","5","1","2","5","2","1") = "6"
    & skf21("1","7","5","1","2","5","3","1") = "6"
    & skf21("1","7","5","1","2","5","4","1") = "6"
    & skf21("1","7","5","1","2","5","5","1") = "6"
    & skf21("1","7","5","1","2","5","6","1") = "6"
    & skf21("1","7","5","1","2","5","7","1") = "6"
    & skf21("1","7","5","1","2","6","1","1") = "6"
    & skf21("1","7","5","1","2","6","2","1") = "6"
    & skf21("1","7","5","1","2","6","3","1") = "6"
    & skf21("1","7","5","1","2","6","4","1") = "6"
    & skf21("1","7","5","1","2","6","5","1") = "6"
    & skf21("1","7","5","1","2","6","6","1") = "6"
    & skf21("1","7","5","1","2","6","7","1") = "6"
    & skf21("1","7","5","1","2","7","1","1") = "6"
    & skf21("1","7","5","1","2","7","2","1") = "6"
    & skf21("1","7","5","1","2","7","3","1") = "6"
    & skf21("1","7","5","1","2","7","4","1") = "6"
    & skf21("1","7","5","1","2","7","5","1") = "6"
    & skf21("1","7","5","1","2","7","6","1") = "6"
    & skf21("1","7","5","1","2","7","7","1") = "6"
    & skf21("1","7","5","1","3","1","1","1") = "6"
    & skf21("1","7","5","1","3","1","2","1") = "6"
    & skf21("1","7","5","1","3","1","3","1") = "6"
    & skf21("1","7","5","1","3","1","4","1") = "6"
    & skf21("1","7","5","1","3","1","5","1") = "6"
    & skf21("1","7","5","1","3","1","6","1") = "6"
    & skf21("1","7","5","1","3","1","7","1") = "6"
    & skf21("1","7","5","1","3","2","1","1") = "6"
    & skf21("1","7","5","1","3","2","2","1") = "6"
    & skf21("1","7","5","1","3","2","3","1") = "6"
    & skf21("1","7","5","1","3","2","4","1") = "6"
    & skf21("1","7","5","1","3","2","5","1") = "6"
    & skf21("1","7","5","1","3","2","6","1") = "6"
    & skf21("1","7","5","1","3","2","7","1") = "6"
    & skf21("1","7","5","1","3","3","1","1") = "6"
    & skf21("1","7","5","1","3","3","2","1") = "6"
    & skf21("1","7","5","1","3","3","3","1") = "6"
    & skf21("1","7","5","1","3","3","4","1") = "6"
    & skf21("1","7","5","1","3","3","5","1") = "6"
    & skf21("1","7","5","1","3","3","6","1") = "6"
    & skf21("1","7","5","1","3","3","7","1") = "6"
    & skf21("1","7","5","1","3","4","1","1") = "6"
    & skf21("1","7","5","1","3","4","2","1") = "6"
    & skf21("1","7","5","1","3","4","3","1") = "6"
    & skf21("1","7","5","1","3","4","4","1") = "6"
    & skf21("1","7","5","1","3","4","5","1") = "6"
    & skf21("1","7","5","1","3","4","6","1") = "6"
    & skf21("1","7","5","1","3","4","7","1") = "6"
    & skf21("1","7","5","1","3","5","1","1") = "6"
    & skf21("1","7","5","1","3","5","2","1") = "6"
    & skf21("1","7","5","1","3","5","3","1") = "6"
    & skf21("1","7","5","1","3","5","4","1") = "6"
    & skf21("1","7","5","1","3","5","5","1") = "6"
    & skf21("1","7","5","1","3","5","6","1") = "6"
    & skf21("1","7","5","1","3","5","7","1") = "6"
    & skf21("1","7","5","1","3","6","1","1") = "6"
    & skf21("1","7","5","1","3","6","2","1") = "6"
    & skf21("1","7","5","1","3","6","3","1") = "6"
    & skf21("1","7","5","1","3","6","4","1") = "6"
    & skf21("1","7","5","1","3","6","5","1") = "6"
    & skf21("1","7","5","1","3","6","6","1") = "6"
    & skf21("1","7","5","1","3","6","7","1") = "6"
    & skf21("1","7","5","1","3","7","1","1") = "6"
    & skf21("1","7","5","1","3","7","2","1") = "6"
    & skf21("1","7","5","1","3","7","3","1") = "6"
    & skf21("1","7","5","1","3","7","4","1") = "6"
    & skf21("1","7","5","1","3","7","5","1") = "6"
    & skf21("1","7","5","1","3","7","6","1") = "6"
    & skf21("1","7","5","1","3","7","7","1") = "6"
    & skf21("1","7","5","1","4","1","1","1") = "6"
    & skf21("1","7","5","1","4","1","2","1") = "6"
    & skf21("1","7","5","1","4","1","3","1") = "6"
    & skf21("1","7","5","1","4","1","4","1") = "6"
    & skf21("1","7","5","1","4","1","5","1") = "6"
    & skf21("1","7","5","1","4","1","6","1") = "6"
    & skf21("1","7","5","1","4","1","7","1") = "6"
    & skf21("1","7","5","1","4","2","1","1") = "6"
    & skf21("1","7","5","1","4","2","2","1") = "6"
    & skf21("1","7","5","1","4","2","3","1") = "6"
    & skf21("1","7","5","1","4","2","4","1") = "6"
    & skf21("1","7","5","1","4","2","5","1") = "6"
    & skf21("1","7","5","1","4","2","6","1") = "6"
    & skf21("1","7","5","1","4","2","7","1") = "6"
    & skf21("1","7","5","1","4","3","1","1") = "6"
    & skf21("1","7","5","1","4","3","2","1") = "6"
    & skf21("1","7","5","1","4","3","3","1") = "6"
    & skf21("1","7","5","1","4","3","4","1") = "6"
    & skf21("1","7","5","1","4","3","5","1") = "6"
    & skf21("1","7","5","1","4","3","6","1") = "6"
    & skf21("1","7","5","1","4","3","7","1") = "6"
    & skf21("1","7","5","1","4","4","1","1") = "6"
    & skf21("1","7","5","1","4","4","2","1") = "6"
    & skf21("1","7","5","1","4","4","3","1") = "6"
    & skf21("1","7","5","1","4","4","4","1") = "6"
    & skf21("1","7","5","1","4","4","5","1") = "6"
    & skf21("1","7","5","1","4","4","6","1") = "6"
    & skf21("1","7","5","1","4","4","7","1") = "6"
    & skf21("1","7","5","1","4","5","1","1") = "6"
    & skf21("1","7","5","1","4","5","2","1") = "6"
    & skf21("1","7","5","1","4","5","3","1") = "6"
    & skf21("1","7","5","1","4","5","4","1") = "6"
    & skf21("1","7","5","1","4","5","5","1") = "6"
    & skf21("1","7","5","1","4","5","6","1") = "6"
    & skf21("1","7","5","1","4","5","7","1") = "6"
    & skf21("1","7","5","1","4","6","1","1") = "6"
    & skf21("1","7","5","1","4","6","2","1") = "6"
    & skf21("1","7","5","1","4","6","3","1") = "6"
    & skf21("1","7","5","1","4","6","4","1") = "6"
    & skf21("1","7","5","1","4","6","5","1") = "6"
    & skf21("1","7","5","1","4","6","6","1") = "6"
    & skf21("1","7","5","1","4","6","7","1") = "6"
    & skf21("1","7","5","1","4","7","1","1") = "6"
    & skf21("1","7","5","1","4","7","2","1") = "6"
    & skf21("1","7","5","1","4","7","3","1") = "6"
    & skf21("1","7","5","1","4","7","4","1") = "6"
    & skf21("1","7","5","1","4","7","5","1") = "6"
    & skf21("1","7","5","1","4","7","6","1") = "6"
    & skf21("1","7","5","1","4","7","7","1") = "6"
    & skf21("1","7","5","1","5","1","1","1") = "6"
    & skf21("1","7","5","1","5","1","2","1") = "6"
    & skf21("1","7","5","1","5","1","3","1") = "6"
    & skf21("1","7","5","1","5","1","4","1") = "6"
    & skf21("1","7","5","1","5","1","5","1") = "6"
    & skf21("1","7","5","1","5","1","6","1") = "6"
    & skf21("1","7","5","1","5","1","7","1") = "6"
    & skf21("1","7","5","1","5","2","1","1") = "6"
    & skf21("1","7","5","1","5","2","2","1") = "6"
    & skf21("1","7","5","1","5","2","3","1") = "6"
    & skf21("1","7","5","1","5","2","4","1") = "6"
    & skf21("1","7","5","1","5","2","5","1") = "6"
    & skf21("1","7","5","1","5","2","6","1") = "6"
    & skf21("1","7","5","1","5","2","7","1") = "6"
    & skf21("1","7","5","1","5","3","1","1") = "6"
    & skf21("1","7","5","1","5","3","2","1") = "6"
    & skf21("1","7","5","1","5","3","3","1") = "6"
    & skf21("1","7","5","1","5","3","4","1") = "6"
    & skf21("1","7","5","1","5","3","5","1") = "6"
    & skf21("1","7","5","1","5","3","6","1") = "6"
    & skf21("1","7","5","1","5","3","7","1") = "6"
    & skf21("1","7","5","1","5","4","1","1") = "6"
    & skf21("1","7","5","1","5","4","2","1") = "6"
    & skf21("1","7","5","1","5","4","3","1") = "6"
    & skf21("1","7","5","1","5","4","4","1") = "6"
    & skf21("1","7","5","1","5","4","5","1") = "6"
    & skf21("1","7","5","1","5","4","6","1") = "6"
    & skf21("1","7","5","1","5","4","7","1") = "6"
    & skf21("1","7","5","1","5","5","1","1") = "6"
    & skf21("1","7","5","1","5","5","2","1") = "6"
    & skf21("1","7","5","1","5","5","3","1") = "6"
    & skf21("1","7","5","1","5","5","4","1") = "6"
    & skf21("1","7","5","1","5","5","5","1") = "6"
    & skf21("1","7","5","1","5","5","6","1") = "6"
    & skf21("1","7","5","1","5","5","7","1") = "6"
    & skf21("1","7","5","1","5","6","1","1") = "6"
    & skf21("1","7","5","1","5","6","2","1") = "6"
    & skf21("1","7","5","1","5","6","3","1") = "6"
    & skf21("1","7","5","1","5","6","4","1") = "6"
    & skf21("1","7","5","1","5","6","5","1") = "6"
    & skf21("1","7","5","1","5","6","6","1") = "6"
    & skf21("1","7","5","1","5","6","7","1") = "6"
    & skf21("1","7","5","1","5","7","1","1") = "6"
    & skf21("1","7","5","1","5","7","2","1") = "6"
    & skf21("1","7","5","1","5","7","3","1") = "6"
    & skf21("1","7","5","1","5","7","4","1") = "6"
    & skf21("1","7","5","1","5","7","5","1") = "6"
    & skf21("1","7","5","1","5","7","6","1") = "6"
    & skf21("1","7","5","1","5","7","7","1") = "6"
    & skf21("1","7","5","1","6","1","1","1") = "6"
    & skf21("1","7","5","1","6","1","2","1") = "6"
    & skf21("1","7","5","1","6","1","3","1") = "6"
    & skf21("1","7","5","1","6","1","4","1") = "6"
    & skf21("1","7","5","1","6","1","5","1") = "6"
    & skf21("1","7","5","1","6","1","6","1") = "6"
    & skf21("1","7","5","1","6","1","7","1") = "6"
    & skf21("1","7","5","1","6","2","1","1") = "6"
    & skf21("1","7","5","1","6","2","2","1") = "6"
    & skf21("1","7","5","1","6","2","3","1") = "6"
    & skf21("1","7","5","1","6","2","4","1") = "6"
    & skf21("1","7","5","1","6","2","5","1") = "6"
    & skf21("1","7","5","1","6","2","6","1") = "6"
    & skf21("1","7","5","1","6","2","7","1") = "6"
    & skf21("1","7","5","1","6","3","1","1") = "6"
    & skf21("1","7","5","1","6","3","2","1") = "6"
    & skf21("1","7","5","1","6","3","3","1") = "6"
    & skf21("1","7","5","1","6","3","4","1") = "6"
    & skf21("1","7","5","1","6","3","5","1") = "6"
    & skf21("1","7","5","1","6","3","6","1") = "6"
    & skf21("1","7","5","1","6","3","7","1") = "6"
    & skf21("1","7","5","1","6","4","1","1") = "6"
    & skf21("1","7","5","1","6","4","2","1") = "6"
    & skf21("1","7","5","1","6","4","3","1") = "6"
    & skf21("1","7","5","1","6","4","4","1") = "6"
    & skf21("1","7","5","1","6","4","5","1") = "6"
    & skf21("1","7","5","1","6","4","6","1") = "6"
    & skf21("1","7","5","1","6","4","7","1") = "6"
    & skf21("1","7","5","1","6","5","1","1") = "6"
    & skf21("1","7","5","1","6","5","2","1") = "6"
    & skf21("1","7","5","1","6","5","3","1") = "6"
    & skf21("1","7","5","1","6","5","4","1") = "6"
    & skf21("1","7","5","1","6","5","5","1") = "6"
    & skf21("1","7","5","1","6","5","6","1") = "6"
    & skf21("1","7","5","1","6","5","7","1") = "6"
    & skf21("1","7","5","1","6","6","1","1") = "6"
    & skf21("1","7","5","1","6","6","2","1") = "6"
    & skf21("1","7","5","1","6","6","3","1") = "6"
    & skf21("1","7","5","1","6","6","4","1") = "6"
    & skf21("1","7","5","1","6","6","5","1") = "6"
    & skf21("1","7","5","1","6","6","6","1") = "6"
    & skf21("1","7","5","1","6","6","7","1") = "6"
    & skf21("1","7","5","1","6","7","1","1") = "6"
    & skf21("1","7","5","1","6","7","2","1") = "6"
    & skf21("1","7","5","1","6","7","3","1") = "6"
    & skf21("1","7","5","1","6","7","4","1") = "6"
    & skf21("1","7","5","1","6","7","5","1") = "6"
    & skf21("1","7","5","1","6","7","6","1") = "6"
    & skf21("1","7","5","1","6","7","7","1") = "6"
    & skf21("1","7","5","1","7","1","1","1") = "6"
    & skf21("1","7","5","1","7","1","2","1") = "6"
    & skf21("1","7","5","1","7","1","3","1") = "6"
    & skf21("1","7","5","1","7","1","4","1") = "6"
    & skf21("1","7","5","1","7","1","5","1") = "6"
    & skf21("1","7","5","1","7","1","6","1") = "6"
    & skf21("1","7","5","1","7","1","7","1") = "6"
    & skf21("1","7","5","1","7","2","1","1") = "6"
    & skf21("1","7","5","1","7","2","2","1") = "6"
    & skf21("1","7","5","1","7","2","3","1") = "6"
    & skf21("1","7","5","1","7","2","4","1") = "6"
    & skf21("1","7","5","1","7","2","5","1") = "6"
    & skf21("1","7","5","1","7","2","6","1") = "6"
    & skf21("1","7","5","1","7","2","7","1") = "6"
    & skf21("1","7","5","1","7","3","1","1") = "6"
    & skf21("1","7","5","1","7","3","2","1") = "6"
    & skf21("1","7","5","1","7","3","3","1") = "6"
    & skf21("1","7","5","1","7","3","4","1") = "6"
    & skf21("1","7","5","1","7","3","5","1") = "6"
    & skf21("1","7","5","1","7","3","6","1") = "6"
    & skf21("1","7","5","1","7","3","7","1") = "6"
    & skf21("1","7","5","1","7","4","1","1") = "6"
    & skf21("1","7","5","1","7","4","2","1") = "6"
    & skf21("1","7","5","1","7","4","3","1") = "6"
    & skf21("1","7","5","1","7","4","4","1") = "6"
    & skf21("1","7","5","1","7","4","5","1") = "6"
    & skf21("1","7","5","1","7","4","6","1") = "6"
    & skf21("1","7","5","1","7","4","7","1") = "6"
    & skf21("1","7","5","1","7","5","1","1") = "6"
    & skf21("1","7","5","1","7","5","2","1") = "6"
    & skf21("1","7","5","1","7","5","3","1") = "6"
    & skf21("1","7","5","1","7","5","4","1") = "6"
    & skf21("1","7","5","1","7","5","5","1") = "6"
    & skf21("1","7","5","1","7","5","6","1") = "6"
    & skf21("1","7","5","1","7","5","7","1") = "6"
    & skf21("1","7","5","1","7","6","1","1") = "6"
    & skf21("1","7","5","1","7","6","2","1") = "6"
    & skf21("1","7","5","1","7","6","3","1") = "6"
    & skf21("1","7","5","1","7","6","4","1") = "6"
    & skf21("1","7","5","1","7","6","5","1") = "6"
    & skf21("1","7","5","1","7","6","6","1") = "6"
    & skf21("1","7","5","1","7","6","7","1") = "6"
    & skf21("1","7","5","1","7","7","1","1") = "6"
    & skf21("1","7","5","1","7","7","2","1") = "6"
    & skf21("1","7","5","1","7","7","3","1") = "6"
    & skf21("1","7","5","1","7","7","4","1") = "6"
    & skf21("1","7","5","1","7","7","5","1") = "6"
    & skf21("1","7","5","1","7","7","6","1") = "6"
    & skf21("1","7","5","1","7","7","7","1") = "6"
    & skf21("1","7","5","2","1","1","1","1") = "6"
    & skf21("1","7","5","2","1","1","2","1") = "6"
    & skf21("1","7","5","2","1","1","3","1") = "6"
    & skf21("1","7","5","2","1","1","4","1") = "6"
    & skf21("1","7","5","2","1","1","5","1") = "6"
    & skf21("1","7","5","2","1","1","6","1") = "6"
    & skf21("1","7","5","2","1","1","7","1") = "6"
    & skf21("1","7","5","2","1","2","1","1") = "6"
    & skf21("1","7","5","2","1","2","2","1") = "6"
    & skf21("1","7","5","2","1","2","3","1") = "6"
    & skf21("1","7","5","2","1","2","4","1") = "6"
    & skf21("1","7","5","2","1","2","5","1") = "6"
    & skf21("1","7","5","2","1","2","6","1") = "6"
    & skf21("1","7","5","2","1","2","7","1") = "6"
    & skf21("1","7","5","2","1","3","1","1") = "6"
    & skf21("1","7","5","2","1","3","2","1") = "6"
    & skf21("1","7","5","2","1","3","3","1") = "6"
    & skf21("1","7","5","2","1","3","4","1") = "6"
    & skf21("1","7","5","2","1","3","5","1") = "6"
    & skf21("1","7","5","2","1","3","6","1") = "6"
    & skf21("1","7","5","2","1","3","7","1") = "6"
    & skf21("1","7","5","2","1","4","1","1") = "6"
    & skf21("1","7","5","2","1","4","2","1") = "6"
    & skf21("1","7","5","2","1","4","3","1") = "6"
    & skf21("1","7","5","2","1","4","4","1") = "6"
    & skf21("1","7","5","2","1","4","5","1") = "6"
    & skf21("1","7","5","2","1","4","6","1") = "6"
    & skf21("1","7","5","2","1","4","7","1") = "6"
    & skf21("1","7","5","2","1","5","1","1") = "6"
    & skf21("1","7","5","2","1","5","2","1") = "6"
    & skf21("1","7","5","2","1","5","3","1") = "6"
    & skf21("1","7","5","2","1","5","4","1") = "6"
    & skf21("1","7","5","2","1","5","5","1") = "6"
    & skf21("1","7","5","2","1","5","6","1") = "6"
    & skf21("1","7","5","2","1","5","7","1") = "6"
    & skf21("1","7","5","2","1","6","1","1") = "6"
    & skf21("1","7","5","2","1","6","2","1") = "6"
    & skf21("1","7","5","2","1","6","3","1") = "6"
    & skf21("1","7","5","2","1","6","4","1") = "6"
    & skf21("1","7","5","2","1","6","5","1") = "6"
    & skf21("1","7","5","2","1","6","6","1") = "6"
    & skf21("1","7","5","2","1","6","7","1") = "6"
    & skf21("1","7","5","2","1","7","1","1") = "6"
    & skf21("1","7","5","2","1","7","2","1") = "6"
    & skf21("1","7","5","2","1","7","3","1") = "6"
    & skf21("1","7","5","2","1","7","4","1") = "6"
    & skf21("1","7","5","2","1","7","5","1") = "6"
    & skf21("1","7","5","2","1","7","6","1") = "6"
    & skf21("1","7","5","2","1","7","7","1") = "6"
    & skf21("1","7","5","2","2","1","1","1") = "6"
    & skf21("1","7","5","2","2","1","2","1") = "6"
    & skf21("1","7","5","2","2","1","3","1") = "6"
    & skf21("1","7","5","2","2","1","4","1") = "6"
    & skf21("1","7","5","2","2","1","5","1") = "6"
    & skf21("1","7","5","2","2","1","6","1") = "6"
    & skf21("1","7","5","2","2","1","7","1") = "6"
    & skf21("1","7","5","2","2","2","1","1") = "6"
    & skf21("1","7","5","2","2","2","2","1") = "6"
    & skf21("1","7","5","2","2","2","3","1") = "6"
    & skf21("1","7","5","2","2","2","4","1") = "6"
    & skf21("1","7","5","2","2","2","5","1") = "6"
    & skf21("1","7","5","2","2","2","6","1") = "6"
    & skf21("1","7","5","2","2","2","7","1") = "6"
    & skf21("1","7","5","2","2","3","1","1") = "6"
    & skf21("1","7","5","2","2","3","2","1") = "6"
    & skf21("1","7","5","2","2","3","3","1") = "6"
    & skf21("1","7","5","2","2","3","4","1") = "6"
    & skf21("1","7","5","2","2","3","5","1") = "6"
    & skf21("1","7","5","2","2","3","6","1") = "6"
    & skf21("1","7","5","2","2","3","7","1") = "6"
    & skf21("1","7","5","2","2","4","1","1") = "6"
    & skf21("1","7","5","2","2","4","2","1") = "6"
    & skf21("1","7","5","2","2","4","3","1") = "6"
    & skf21("1","7","5","2","2","4","4","1") = "6"
    & skf21("1","7","5","2","2","4","5","1") = "6"
    & skf21("1","7","5","2","2","4","6","1") = "6"
    & skf21("1","7","5","2","2","4","7","1") = "6"
    & skf21("1","7","5","2","2","5","1","1") = "6"
    & skf21("1","7","5","2","2","5","2","1") = "6"
    & skf21("1","7","5","2","2","5","3","1") = "6"
    & skf21("1","7","5","2","2","5","4","1") = "6"
    & skf21("1","7","5","2","2","5","5","1") = "6"
    & skf21("1","7","5","2","2","5","6","1") = "6"
    & skf21("1","7","5","2","2","5","7","1") = "6"
    & skf21("1","7","5","2","2","6","1","1") = "6"
    & skf21("1","7","5","2","2","6","2","1") = "6"
    & skf21("1","7","5","2","2","6","3","1") = "6"
    & skf21("1","7","5","2","2","6","4","1") = "6"
    & skf21("1","7","5","2","2","6","5","1") = "6"
    & skf21("1","7","5","2","2","6","6","1") = "6"
    & skf21("1","7","5","2","2","6","7","1") = "6"
    & skf21("1","7","5","2","2","7","1","1") = "6"
    & skf21("1","7","5","2","2","7","2","1") = "6"
    & skf21("1","7","5","2","2","7","3","1") = "6"
    & skf21("1","7","5","2","2","7","4","1") = "6"
    & skf21("1","7","5","2","2","7","5","1") = "6"
    & skf21("1","7","5","2","2","7","6","1") = "6"
    & skf21("1","7","5","2","2","7","7","1") = "6"
    & skf21("1","7","5","2","3","1","1","1") = "6"
    & skf21("1","7","5","2","3","1","2","1") = "6"
    & skf21("1","7","5","2","3","1","3","1") = "6"
    & skf21("1","7","5","2","3","1","4","1") = "6"
    & skf21("1","7","5","2","3","1","5","1") = "6"
    & skf21("1","7","5","2","3","1","6","1") = "6"
    & skf21("1","7","5","2","3","1","7","1") = "6"
    & skf21("1","7","5","2","3","2","1","1") = "6"
    & skf21("1","7","5","2","3","2","2","1") = "6"
    & skf21("1","7","5","2","3","2","3","1") = "6"
    & skf21("1","7","5","2","3","2","4","1") = "6"
    & skf21("1","7","5","2","3","2","5","1") = "6"
    & skf21("1","7","5","2","3","2","6","1") = "6"
    & skf21("1","7","5","2","3","2","7","1") = "6"
    & skf21("1","7","5","2","3","3","1","1") = "6"
    & skf21("1","7","5","2","3","3","2","1") = "6"
    & skf21("1","7","5","2","3","3","3","1") = "6"
    & skf21("1","7","5","2","3","3","4","1") = "6"
    & skf21("1","7","5","2","3","3","5","1") = "6"
    & skf21("1","7","5","2","3","3","6","1") = "6"
    & skf21("1","7","5","2","3","3","7","1") = "6"
    & skf21("1","7","5","2","3","4","1","1") = "6"
    & skf21("1","7","5","2","3","4","2","1") = "6"
    & skf21("1","7","5","2","3","4","3","1") = "6"
    & skf21("1","7","5","2","3","4","4","1") = "6"
    & skf21("1","7","5","2","3","4","5","1") = "6"
    & skf21("1","7","5","2","3","4","6","1") = "6"
    & skf21("1","7","5","2","3","4","7","1") = "6"
    & skf21("1","7","5","2","3","5","1","1") = "6"
    & skf21("1","7","5","2","3","5","2","1") = "6"
    & skf21("1","7","5","2","3","5","3","1") = "6"
    & skf21("1","7","5","2","3","5","4","1") = "6"
    & skf21("1","7","5","2","3","5","5","1") = "6"
    & skf21("1","7","5","2","3","5","6","1") = "6"
    & skf21("1","7","5","2","3","5","7","1") = "6"
    & skf21("1","7","5","2","3","6","1","1") = "6"
    & skf21("1","7","5","2","3","6","2","1") = "6"
    & skf21("1","7","5","2","3","6","3","1") = "6"
    & skf21("1","7","5","2","3","6","4","1") = "6"
    & skf21("1","7","5","2","3","6","5","1") = "6"
    & skf21("1","7","5","2","3","6","6","1") = "6"
    & skf21("1","7","5","2","3","6","7","1") = "6"
    & skf21("1","7","5","2","3","7","1","1") = "6"
    & skf21("1","7","5","2","3","7","2","1") = "6"
    & skf21("1","7","5","2","3","7","3","1") = "6"
    & skf21("1","7","5","2","3","7","4","1") = "6"
    & skf21("1","7","5","2","3","7","5","1") = "6"
    & skf21("1","7","5","2","3","7","6","1") = "6"
    & skf21("1","7","5","2","3","7","7","1") = "6"
    & skf21("1","7","5","2","4","1","1","1") = "6"
    & skf21("1","7","5","2","4","1","2","1") = "6"
    & skf21("1","7","5","2","4","1","3","1") = "6"
    & skf21("1","7","5","2","4","1","4","1") = "6"
    & skf21("1","7","5","2","4","1","5","1") = "6"
    & skf21("1","7","5","2","4","1","6","1") = "6"
    & skf21("1","7","5","2","4","1","7","1") = "6"
    & skf21("1","7","5","2","4","2","1","1") = "6"
    & skf21("1","7","5","2","4","2","2","1") = "6"
    & skf21("1","7","5","2","4","2","3","1") = "6"
    & skf21("1","7","5","2","4","2","4","1") = "6"
    & skf21("1","7","5","2","4","2","5","1") = "6"
    & skf21("1","7","5","2","4","2","6","1") = "6"
    & skf21("1","7","5","2","4","2","7","1") = "6"
    & skf21("1","7","5","2","4","3","1","1") = "6"
    & skf21("1","7","5","2","4","3","2","1") = "6"
    & skf21("1","7","5","2","4","3","3","1") = "6"
    & skf21("1","7","5","2","4","3","4","1") = "6"
    & skf21("1","7","5","2","4","3","5","1") = "6"
    & skf21("1","7","5","2","4","3","6","1") = "6"
    & skf21("1","7","5","2","4","3","7","1") = "6"
    & skf21("1","7","5","2","4","4","1","1") = "6"
    & skf21("1","7","5","2","4","4","2","1") = "6"
    & skf21("1","7","5","2","4","4","3","1") = "6"
    & skf21("1","7","5","2","4","4","4","1") = "6"
    & skf21("1","7","5","2","4","4","5","1") = "6"
    & skf21("1","7","5","2","4","4","6","1") = "6"
    & skf21("1","7","5","2","4","4","7","1") = "6"
    & skf21("1","7","5","2","4","5","1","1") = "6"
    & skf21("1","7","5","2","4","5","2","1") = "6"
    & skf21("1","7","5","2","4","5","3","1") = "6"
    & skf21("1","7","5","2","4","5","4","1") = "6"
    & skf21("1","7","5","2","4","5","5","1") = "6"
    & skf21("1","7","5","2","4","5","6","1") = "6"
    & skf21("1","7","5","2","4","5","7","1") = "6"
    & skf21("1","7","5","2","4","6","1","1") = "6"
    & skf21("1","7","5","2","4","6","2","1") = "6"
    & skf21("1","7","5","2","4","6","3","1") = "6"
    & skf21("1","7","5","2","4","6","4","1") = "6"
    & skf21("1","7","5","2","4","6","5","1") = "6"
    & skf21("1","7","5","2","4","6","6","1") = "6"
    & skf21("1","7","5","2","4","6","7","1") = "6"
    & skf21("1","7","5","2","4","7","1","1") = "6"
    & skf21("1","7","5","2","4","7","2","1") = "6"
    & skf21("1","7","5","2","4","7","3","1") = "6"
    & skf21("1","7","5","2","4","7","4","1") = "6"
    & skf21("1","7","5","2","4","7","5","1") = "6"
    & skf21("1","7","5","2","4","7","6","1") = "6"
    & skf21("1","7","5","2","4","7","7","1") = "6"
    & skf21("1","7","5","2","5","1","1","1") = "6"
    & skf21("1","7","5","2","5","1","2","1") = "6"
    & skf21("1","7","5","2","5","1","3","1") = "6"
    & skf21("1","7","5","2","5","1","4","1") = "6"
    & skf21("1","7","5","2","5","1","5","1") = "6"
    & skf21("1","7","5","2","5","1","6","1") = "6"
    & skf21("1","7","5","2","5","1","7","1") = "6"
    & skf21("1","7","5","2","5","2","1","1") = "6"
    & skf21("1","7","5","2","5","2","2","1") = "6"
    & skf21("1","7","5","2","5","2","3","1") = "6"
    & skf21("1","7","5","2","5","2","4","1") = "6"
    & skf21("1","7","5","2","5","2","5","1") = "6"
    & skf21("1","7","5","2","5","2","6","1") = "6"
    & skf21("1","7","5","2","5","2","7","1") = "6"
    & skf21("1","7","5","2","5","3","1","1") = "6"
    & skf21("1","7","5","2","5","3","2","1") = "6"
    & skf21("1","7","5","2","5","3","3","1") = "6"
    & skf21("1","7","5","2","5","3","4","1") = "6"
    & skf21("1","7","5","2","5","3","5","1") = "6"
    & skf21("1","7","5","2","5","3","6","1") = "6"
    & skf21("1","7","5","2","5","3","7","1") = "6"
    & skf21("1","7","5","2","5","4","1","1") = "6"
    & skf21("1","7","5","2","5","4","2","1") = "6"
    & skf21("1","7","5","2","5","4","3","1") = "6"
    & skf21("1","7","5","2","5","4","4","1") = "6"
    & skf21("1","7","5","2","5","4","5","1") = "6"
    & skf21("1","7","5","2","5","4","6","1") = "6"
    & skf21("1","7","5","2","5","4","7","1") = "6"
    & skf21("1","7","5","2","5","5","1","1") = "6"
    & skf21("1","7","5","2","5","5","2","1") = "6"
    & skf21("1","7","5","2","5","5","3","1") = "6"
    & skf21("1","7","5","2","5","5","4","1") = "6"
    & skf21("1","7","5","2","5","5","5","1") = "6"
    & skf21("1","7","5","2","5","5","6","1") = "6"
    & skf21("1","7","5","2","5","5","7","1") = "6"
    & skf21("1","7","5","2","5","6","1","1") = "6"
    & skf21("1","7","5","2","5","6","2","1") = "6"
    & skf21("1","7","5","2","5","6","3","1") = "6"
    & skf21("1","7","5","2","5","6","4","1") = "6"
    & skf21("1","7","5","2","5","6","5","1") = "6"
    & skf21("1","7","5","2","5","6","6","1") = "6"
    & skf21("1","7","5","2","5","6","7","1") = "6"
    & skf21("1","7","5","2","5","7","1","1") = "6"
    & skf21("1","7","5","2","5","7","2","1") = "6"
    & skf21("1","7","5","2","5","7","3","1") = "6"
    & skf21("1","7","5","2","5","7","4","1") = "6"
    & skf21("1","7","5","2","5","7","5","1") = "6"
    & skf21("1","7","5","2","5","7","6","1") = "6"
    & skf21("1","7","5","2","5","7","7","1") = "6"
    & skf21("1","7","5","2","6","1","1","1") = "6"
    & skf21("1","7","5","2","6","1","2","1") = "6"
    & skf21("1","7","5","2","6","1","3","1") = "6"
    & skf21("1","7","5","2","6","1","4","1") = "6"
    & skf21("1","7","5","2","6","1","5","1") = "6"
    & skf21("1","7","5","2","6","1","6","1") = "6"
    & skf21("1","7","5","2","6","1","7","1") = "6"
    & skf21("1","7","5","2","6","2","1","1") = "6"
    & skf21("1","7","5","2","6","2","2","1") = "6"
    & skf21("1","7","5","2","6","2","3","1") = "6"
    & skf21("1","7","5","2","6","2","4","1") = "6"
    & skf21("1","7","5","2","6","2","5","1") = "6"
    & skf21("1","7","5","2","6","2","6","1") = "6"
    & skf21("1","7","5","2","6","2","7","1") = "6"
    & skf21("1","7","5","2","6","3","1","1") = "6"
    & skf21("1","7","5","2","6","3","2","1") = "6"
    & skf21("1","7","5","2","6","3","3","1") = "6"
    & skf21("1","7","5","2","6","3","4","1") = "6"
    & skf21("1","7","5","2","6","3","5","1") = "6"
    & skf21("1","7","5","2","6","3","6","1") = "6"
    & skf21("1","7","5","2","6","3","7","1") = "6"
    & skf21("1","7","5","2","6","4","1","1") = "6"
    & skf21("1","7","5","2","6","4","2","1") = "6"
    & skf21("1","7","5","2","6","4","3","1") = "6"
    & skf21("1","7","5","2","6","4","4","1") = "6"
    & skf21("1","7","5","2","6","4","5","1") = "6"
    & skf21("1","7","5","2","6","4","6","1") = "6"
    & skf21("1","7","5","2","6","4","7","1") = "6"
    & skf21("1","7","5","2","6","5","1","1") = "6"
    & skf21("1","7","5","2","6","5","2","1") = "6"
    & skf21("1","7","5","2","6","5","3","1") = "6"
    & skf21("1","7","5","2","6","5","4","1") = "6"
    & skf21("1","7","5","2","6","5","5","1") = "6"
    & skf21("1","7","5","2","6","5","6","1") = "6"
    & skf21("1","7","5","2","6","5","7","1") = "6"
    & skf21("1","7","5","2","6","6","1","1") = "6"
    & skf21("1","7","5","2","6","6","2","1") = "6"
    & skf21("1","7","5","2","6","6","3","1") = "6"
    & skf21("1","7","5","2","6","6","4","1") = "6"
    & skf21("1","7","5","2","6","6","5","1") = "6"
    & skf21("1","7","5","2","6","6","6","1") = "6"
    & skf21("1","7","5","2","6","6","7","1") = "6"
    & skf21("1","7","5","2","6","7","1","1") = "6"
    & skf21("1","7","5","2","6","7","2","1") = "6"
    & skf21("1","7","5","2","6","7","3","1") = "6"
    & skf21("1","7","5","2","6","7","4","1") = "6"
    & skf21("1","7","5","2","6","7","5","1") = "6"
    & skf21("1","7","5","2","6","7","6","1") = "6"
    & skf21("1","7","5","2","6","7","7","1") = "6"
    & skf21("1","7","5","2","7","1","1","1") = "6"
    & skf21("1","7","5","2","7","1","2","1") = "6"
    & skf21("1","7","5","2","7","1","3","1") = "6"
    & skf21("1","7","5","2","7","1","4","1") = "6"
    & skf21("1","7","5","2","7","1","5","1") = "6"
    & skf21("1","7","5","2","7","1","6","1") = "6"
    & skf21("1","7","5","2","7","1","7","1") = "6"
    & skf21("1","7","5","2","7","2","1","1") = "6"
    & skf21("1","7","5","2","7","2","2","1") = "6"
    & skf21("1","7","5","2","7","2","3","1") = "6"
    & skf21("1","7","5","2","7","2","4","1") = "6"
    & skf21("1","7","5","2","7","2","5","1") = "6"
    & skf21("1","7","5","2","7","2","6","1") = "6"
    & skf21("1","7","5","2","7","2","7","1") = "6"
    & skf21("1","7","5","2","7","3","1","1") = "6"
    & skf21("1","7","5","2","7","3","2","1") = "6"
    & skf21("1","7","5","2","7","3","3","1") = "6"
    & skf21("1","7","5","2","7","3","4","1") = "6"
    & skf21("1","7","5","2","7","3","5","1") = "6"
    & skf21("1","7","5","2","7","3","6","1") = "6"
    & skf21("1","7","5","2","7","3","7","1") = "6"
    & skf21("1","7","5","2","7","4","1","1") = "6"
    & skf21("1","7","5","2","7","4","2","1") = "6"
    & skf21("1","7","5","2","7","4","3","1") = "6"
    & skf21("1","7","5","2","7","4","4","1") = "6"
    & skf21("1","7","5","2","7","4","5","1") = "6"
    & skf21("1","7","5","2","7","4","6","1") = "6"
    & skf21("1","7","5","2","7","4","7","1") = "6"
    & skf21("1","7","5","2","7","5","1","1") = "6"
    & skf21("1","7","5","2","7","5","2","1") = "6"
    & skf21("1","7","5","2","7","5","3","1") = "6"
    & skf21("1","7","5","2","7","5","4","1") = "6"
    & skf21("1","7","5","2","7","5","5","1") = "6"
    & skf21("1","7","5","2","7","5","6","1") = "6"
    & skf21("1","7","5","2","7","5","7","1") = "6"
    & skf21("1","7","5","2","7","6","1","1") = "6"
    & skf21("1","7","5","2","7","6","2","1") = "6"
    & skf21("1","7","5","2","7","6","3","1") = "6"
    & skf21("1","7","5","2","7","6","4","1") = "6"
    & skf21("1","7","5","2","7","6","5","1") = "6"
    & skf21("1","7","5","2","7","6","6","1") = "6"
    & skf21("1","7","5","2","7","6","7","1") = "6"
    & skf21("1","7","5","2","7","7","1","1") = "6"
    & skf21("1","7","5","2","7","7","2","1") = "6"
    & skf21("1","7","5","2","7","7","3","1") = "6"
    & skf21("1","7","5","2","7","7","4","1") = "6"
    & skf21("1","7","5","2","7","7","5","1") = "6"
    & skf21("1","7","5","2","7","7","6","1") = "6"
    & skf21("1","7","5","2","7","7","7","1") = "6"
    & skf21("1","7","5","3","1","1","1","1") = "6"
    & skf21("1","7","5","3","1","1","2","1") = "6"
    & skf21("1","7","5","3","1","1","3","1") = "6"
    & skf21("1","7","5","3","1","1","4","1") = "6"
    & skf21("1","7","5","3","1","1","5","1") = "6"
    & skf21("1","7","5","3","1","1","6","1") = "6"
    & skf21("1","7","5","3","1","1","7","1") = "6"
    & skf21("1","7","5","3","1","2","1","1") = "6"
    & skf21("1","7","5","3","1","2","2","1") = "6"
    & skf21("1","7","5","3","1","2","3","1") = "6"
    & skf21("1","7","5","3","1","2","4","1") = "6"
    & skf21("1","7","5","3","1","2","5","1") = "6"
    & skf21("1","7","5","3","1","2","6","1") = "6"
    & skf21("1","7","5","3","1","2","7","1") = "6"
    & skf21("1","7","5","3","1","3","1","1") = "6"
    & skf21("1","7","5","3","1","3","2","1") = "6"
    & skf21("1","7","5","3","1","3","3","1") = "6"
    & skf21("1","7","5","3","1","3","4","1") = "6"
    & skf21("1","7","5","3","1","3","5","1") = "6"
    & skf21("1","7","5","3","1","3","6","1") = "6"
    & skf21("1","7","5","3","1","3","7","1") = "6"
    & skf21("1","7","5","3","1","4","1","1") = "6"
    & skf21("1","7","5","3","1","4","2","1") = "6"
    & skf21("1","7","5","3","1","4","3","1") = "6"
    & skf21("1","7","5","3","1","4","4","1") = "6"
    & skf21("1","7","5","3","1","4","5","1") = "6"
    & skf21("1","7","5","3","1","4","6","1") = "6"
    & skf21("1","7","5","3","1","4","7","1") = "6"
    & skf21("1","7","5","3","1","5","1","1") = "6"
    & skf21("1","7","5","3","1","5","2","1") = "6"
    & skf21("1","7","5","3","1","5","3","1") = "6"
    & skf21("1","7","5","3","1","5","4","1") = "6"
    & skf21("1","7","5","3","1","5","5","1") = "6"
    & skf21("1","7","5","3","1","5","6","1") = "6"
    & skf21("1","7","5","3","1","5","7","1") = "6"
    & skf21("1","7","5","3","1","6","1","1") = "6"
    & skf21("1","7","5","3","1","6","2","1") = "6"
    & skf21("1","7","5","3","1","6","3","1") = "6"
    & skf21("1","7","5","3","1","6","4","1") = "6"
    & skf21("1","7","5","3","1","6","5","1") = "6"
    & skf21("1","7","5","3","1","6","6","1") = "6"
    & skf21("1","7","5","3","1","6","7","1") = "6"
    & skf21("1","7","5","3","1","7","1","1") = "6"
    & skf21("1","7","5","3","1","7","2","1") = "6"
    & skf21("1","7","5","3","1","7","3","1") = "6"
    & skf21("1","7","5","3","1","7","4","1") = "6"
    & skf21("1","7","5","3","1","7","5","1") = "6"
    & skf21("1","7","5","3","1","7","6","1") = "6"
    & skf21("1","7","5","3","1","7","7","1") = "6"
    & skf21("1","7","5","3","2","1","1","1") = "6"
    & skf21("1","7","5","3","2","1","2","1") = "6"
    & skf21("1","7","5","3","2","1","3","1") = "6"
    & skf21("1","7","5","3","2","1","4","1") = "6"
    & skf21("1","7","5","3","2","1","5","1") = "6"
    & skf21("1","7","5","3","2","1","6","1") = "6"
    & skf21("1","7","5","3","2","1","7","1") = "6"
    & skf21("1","7","5","3","2","2","1","1") = "6"
    & skf21("1","7","5","3","2","2","2","1") = "6"
    & skf21("1","7","5","3","2","2","3","1") = "6"
    & skf21("1","7","5","3","2","2","4","1") = "6"
    & skf21("1","7","5","3","2","2","5","1") = "6"
    & skf21("1","7","5","3","2","2","6","1") = "6"
    & skf21("1","7","5","3","2","2","7","1") = "6"
    & skf21("1","7","5","3","2","3","1","1") = "6"
    & skf21("1","7","5","3","2","3","2","1") = "6"
    & skf21("1","7","5","3","2","3","3","1") = "6"
    & skf21("1","7","5","3","2","3","4","1") = "6"
    & skf21("1","7","5","3","2","3","5","1") = "6"
    & skf21("1","7","5","3","2","3","6","1") = "6"
    & skf21("1","7","5","3","2","3","7","1") = "6"
    & skf21("1","7","5","3","2","4","1","1") = "6"
    & skf21("1","7","5","3","2","4","2","1") = "6"
    & skf21("1","7","5","3","2","4","3","1") = "6"
    & skf21("1","7","5","3","2","4","4","1") = "6"
    & skf21("1","7","5","3","2","4","5","1") = "6"
    & skf21("1","7","5","3","2","4","6","1") = "6"
    & skf21("1","7","5","3","2","4","7","1") = "6"
    & skf21("1","7","5","3","2","5","1","1") = "6"
    & skf21("1","7","5","3","2","5","2","1") = "6"
    & skf21("1","7","5","3","2","5","3","1") = "6"
    & skf21("1","7","5","3","2","5","4","1") = "6"
    & skf21("1","7","5","3","2","5","5","1") = "6"
    & skf21("1","7","5","3","2","5","6","1") = "6"
    & skf21("1","7","5","3","2","5","7","1") = "6"
    & skf21("1","7","5","3","2","6","1","1") = "6"
    & skf21("1","7","5","3","2","6","2","1") = "6"
    & skf21("1","7","5","3","2","6","3","1") = "6"
    & skf21("1","7","5","3","2","6","4","1") = "6"
    & skf21("1","7","5","3","2","6","5","1") = "6"
    & skf21("1","7","5","3","2","6","6","1") = "6"
    & skf21("1","7","5","3","2","6","7","1") = "6"
    & skf21("1","7","5","3","2","7","1","1") = "6"
    & skf21("1","7","5","3","2","7","2","1") = "6"
    & skf21("1","7","5","3","2","7","3","1") = "6"
    & skf21("1","7","5","3","2","7","4","1") = "6"
    & skf21("1","7","5","3","2","7","5","1") = "6"
    & skf21("1","7","5","3","2","7","6","1") = "6"
    & skf21("1","7","5","3","2","7","7","1") = "6"
    & skf21("1","7","5","3","3","1","1","1") = "6"
    & skf21("1","7","5","3","3","1","2","1") = "6"
    & skf21("1","7","5","3","3","1","3","1") = "6"
    & skf21("1","7","5","3","3","1","4","1") = "6"
    & skf21("1","7","5","3","3","1","5","1") = "6"
    & skf21("1","7","5","3","3","1","6","1") = "6"
    & skf21("1","7","5","3","3","1","7","1") = "6"
    & skf21("1","7","5","3","3","2","1","1") = "6"
    & skf21("1","7","5","3","3","2","2","1") = "6"
    & skf21("1","7","5","3","3","2","3","1") = "6"
    & skf21("1","7","5","3","3","2","4","1") = "6"
    & skf21("1","7","5","3","3","2","5","1") = "6"
    & skf21("1","7","5","3","3","2","6","1") = "6"
    & skf21("1","7","5","3","3","2","7","1") = "6"
    & skf21("1","7","5","3","3","3","1","1") = "6"
    & skf21("1","7","5","3","3","3","2","1") = "6"
    & skf21("1","7","5","3","3","3","3","1") = "6"
    & skf21("1","7","5","3","3","3","4","1") = "6"
    & skf21("1","7","5","3","3","3","5","1") = "6"
    & skf21("1","7","5","3","3","3","6","1") = "6"
    & skf21("1","7","5","3","3","3","7","1") = "6"
    & skf21("1","7","5","3","3","4","1","1") = "6"
    & skf21("1","7","5","3","3","4","2","1") = "6"
    & skf21("1","7","5","3","3","4","3","1") = "6"
    & skf21("1","7","5","3","3","4","4","1") = "6"
    & skf21("1","7","5","3","3","4","5","1") = "6"
    & skf21("1","7","5","3","3","4","6","1") = "6"
    & skf21("1","7","5","3","3","4","7","1") = "6"
    & skf21("1","7","5","3","3","5","1","1") = "6"
    & skf21("1","7","5","3","3","5","2","1") = "6"
    & skf21("1","7","5","3","3","5","3","1") = "6"
    & skf21("1","7","5","3","3","5","4","1") = "6"
    & skf21("1","7","5","3","3","5","5","1") = "6"
    & skf21("1","7","5","3","3","5","6","1") = "6"
    & skf21("1","7","5","3","3","5","7","1") = "6"
    & skf21("1","7","5","3","3","6","1","1") = "6"
    & skf21("1","7","5","3","3","6","2","1") = "6"
    & skf21("1","7","5","3","3","6","3","1") = "6"
    & skf21("1","7","5","3","3","6","4","1") = "6"
    & skf21("1","7","5","3","3","6","5","1") = "6"
    & skf21("1","7","5","3","3","6","6","1") = "6"
    & skf21("1","7","5","3","3","6","7","1") = "6"
    & skf21("1","7","5","3","3","7","1","1") = "6"
    & skf21("1","7","5","3","3","7","2","1") = "6"
    & skf21("1","7","5","3","3","7","3","1") = "6"
    & skf21("1","7","5","3","3","7","4","1") = "6"
    & skf21("1","7","5","3","3","7","5","1") = "6"
    & skf21("1","7","5","3","3","7","6","1") = "6"
    & skf21("1","7","5","3","3","7","7","1") = "6"
    & skf21("1","7","5","3","4","1","1","1") = "6"
    & skf21("1","7","5","3","4","1","2","1") = "6"
    & skf21("1","7","5","3","4","1","3","1") = "6"
    & skf21("1","7","5","3","4","1","4","1") = "6"
    & skf21("1","7","5","3","4","1","5","1") = "6"
    & skf21("1","7","5","3","4","1","6","1") = "6"
    & skf21("1","7","5","3","4","1","7","1") = "6"
    & skf21("1","7","5","3","4","2","1","1") = "6"
    & skf21("1","7","5","3","4","2","2","1") = "6"
    & skf21("1","7","5","3","4","2","3","1") = "6"
    & skf21("1","7","5","3","4","2","4","1") = "6"
    & skf21("1","7","5","3","4","2","5","1") = "6"
    & skf21("1","7","5","3","4","2","6","1") = "6"
    & skf21("1","7","5","3","4","2","7","1") = "6"
    & skf21("1","7","5","3","4","3","1","1") = "6"
    & skf21("1","7","5","3","4","3","2","1") = "6"
    & skf21("1","7","5","3","4","3","3","1") = "6"
    & skf21("1","7","5","3","4","3","4","1") = "6"
    & skf21("1","7","5","3","4","3","5","1") = "6"
    & skf21("1","7","5","3","4","3","6","1") = "6"
    & skf21("1","7","5","3","4","3","7","1") = "6"
    & skf21("1","7","5","3","4","4","1","1") = "6"
    & skf21("1","7","5","3","4","4","2","1") = "6"
    & skf21("1","7","5","3","4","4","3","1") = "6"
    & skf21("1","7","5","3","4","4","4","1") = "6"
    & skf21("1","7","5","3","4","4","5","1") = "6"
    & skf21("1","7","5","3","4","4","6","1") = "6"
    & skf21("1","7","5","3","4","4","7","1") = "6"
    & skf21("1","7","5","3","4","5","1","1") = "6"
    & skf21("1","7","5","3","4","5","2","1") = "6"
    & skf21("1","7","5","3","4","5","3","1") = "6"
    & skf21("1","7","5","3","4","5","4","1") = "6"
    & skf21("1","7","5","3","4","5","5","1") = "6"
    & skf21("1","7","5","3","4","5","6","1") = "6"
    & skf21("1","7","5","3","4","5","7","1") = "6"
    & skf21("1","7","5","3","4","6","1","1") = "6"
    & skf21("1","7","5","3","4","6","2","1") = "6"
    & skf21("1","7","5","3","4","6","3","1") = "6"
    & skf21("1","7","5","3","4","6","4","1") = "6"
    & skf21("1","7","5","3","4","6","5","1") = "6"
    & skf21("1","7","5","3","4","6","6","1") = "6"
    & skf21("1","7","5","3","4","6","7","1") = "6"
    & skf21("1","7","5","3","4","7","1","1") = "6"
    & skf21("1","7","5","3","4","7","2","1") = "6"
    & skf21("1","7","5","3","4","7","3","1") = "6"
    & skf21("1","7","5","3","4","7","4","1") = "6"
    & skf21("1","7","5","3","4","7","5","1") = "6"
    & skf21("1","7","5","3","4","7","6","1") = "6"
    & skf21("1","7","5","3","4","7","7","1") = "6"
    & skf21("1","7","5","3","5","1","1","1") = "6"
    & skf21("1","7","5","3","5","1","2","1") = "6"
    & skf21("1","7","5","3","5","1","3","1") = "6"
    & skf21("1","7","5","3","5","1","4","1") = "6"
    & skf21("1","7","5","3","5","1","5","1") = "6"
    & skf21("1","7","5","3","5","1","6","1") = "6"
    & skf21("1","7","5","3","5","1","7","1") = "6"
    & skf21("1","7","5","3","5","2","1","1") = "6"
    & skf21("1","7","5","3","5","2","2","1") = "6"
    & skf21("1","7","5","3","5","2","3","1") = "6"
    & skf21("1","7","5","3","5","2","4","1") = "6"
    & skf21("1","7","5","3","5","2","5","1") = "6"
    & skf21("1","7","5","3","5","2","6","1") = "6"
    & skf21("1","7","5","3","5","2","7","1") = "6"
    & skf21("1","7","5","3","5","3","1","1") = "6"
    & skf21("1","7","5","3","5","3","2","1") = "6"
    & skf21("1","7","5","3","5","3","3","1") = "6"
    & skf21("1","7","5","3","5","3","4","1") = "6"
    & skf21("1","7","5","3","5","3","5","1") = "6"
    & skf21("1","7","5","3","5","3","6","1") = "6"
    & skf21("1","7","5","3","5","3","7","1") = "6"
    & skf21("1","7","5","3","5","4","1","1") = "6"
    & skf21("1","7","5","3","5","4","2","1") = "6"
    & skf21("1","7","5","3","5","4","3","1") = "6"
    & skf21("1","7","5","3","5","4","4","1") = "6"
    & skf21("1","7","5","3","5","4","5","1") = "6"
    & skf21("1","7","5","3","5","4","6","1") = "6"
    & skf21("1","7","5","3","5","4","7","1") = "6"
    & skf21("1","7","5","3","5","5","1","1") = "6"
    & skf21("1","7","5","3","5","5","2","1") = "6"
    & skf21("1","7","5","3","5","5","3","1") = "6"
    & skf21("1","7","5","3","5","5","4","1") = "6"
    & skf21("1","7","5","3","5","5","5","1") = "6"
    & skf21("1","7","5","3","5","5","6","1") = "6"
    & skf21("1","7","5","3","5","5","7","1") = "6"
    & skf21("1","7","5","3","5","6","1","1") = "6"
    & skf21("1","7","5","3","5","6","2","1") = "6"
    & skf21("1","7","5","3","5","6","3","1") = "6"
    & skf21("1","7","5","3","5","6","4","1") = "6"
    & skf21("1","7","5","3","5","6","5","1") = "6"
    & skf21("1","7","5","3","5","6","6","1") = "6"
    & skf21("1","7","5","3","5","6","7","1") = "6"
    & skf21("1","7","5","3","5","7","1","1") = "6"
    & skf21("1","7","5","3","5","7","2","1") = "6"
    & skf21("1","7","5","3","5","7","3","1") = "6"
    & skf21("1","7","5","3","5","7","4","1") = "6"
    & skf21("1","7","5","3","5","7","5","1") = "6"
    & skf21("1","7","5","3","5","7","6","1") = "6"
    & skf21("1","7","5","3","5","7","7","1") = "6"
    & skf21("1","7","5","3","6","1","1","1") = "6"
    & skf21("1","7","5","3","6","1","2","1") = "6"
    & skf21("1","7","5","3","6","1","3","1") = "6"
    & skf21("1","7","5","3","6","1","4","1") = "6"
    & skf21("1","7","5","3","6","1","5","1") = "6"
    & skf21("1","7","5","3","6","1","6","1") = "6"
    & skf21("1","7","5","3","6","1","7","1") = "6"
    & skf21("1","7","5","3","6","2","1","1") = "6"
    & skf21("1","7","5","3","6","2","2","1") = "6"
    & skf21("1","7","5","3","6","2","3","1") = "6"
    & skf21("1","7","5","3","6","2","4","1") = "6"
    & skf21("1","7","5","3","6","2","5","1") = "6"
    & skf21("1","7","5","3","6","2","6","1") = "6"
    & skf21("1","7","5","3","6","2","7","1") = "6"
    & skf21("1","7","5","3","6","3","1","1") = "6"
    & skf21("1","7","5","3","6","3","2","1") = "6"
    & skf21("1","7","5","3","6","3","3","1") = "6"
    & skf21("1","7","5","3","6","3","4","1") = "6"
    & skf21("1","7","5","3","6","3","5","1") = "6"
    & skf21("1","7","5","3","6","3","6","1") = "6"
    & skf21("1","7","5","3","6","3","7","1") = "6"
    & skf21("1","7","5","3","6","4","1","1") = "6"
    & skf21("1","7","5","3","6","4","2","1") = "6"
    & skf21("1","7","5","3","6","4","3","1") = "6"
    & skf21("1","7","5","3","6","4","4","1") = "6"
    & skf21("1","7","5","3","6","4","5","1") = "6"
    & skf21("1","7","5","3","6","4","6","1") = "6"
    & skf21("1","7","5","3","6","4","7","1") = "6"
    & skf21("1","7","5","3","6","5","1","1") = "6"
    & skf21("1","7","5","3","6","5","2","1") = "6"
    & skf21("1","7","5","3","6","5","3","1") = "6"
    & skf21("1","7","5","3","6","5","4","1") = "6"
    & skf21("1","7","5","3","6","5","5","1") = "6"
    & skf21("1","7","5","3","6","5","6","1") = "6"
    & skf21("1","7","5","3","6","5","7","1") = "6"
    & skf21("1","7","5","3","6","6","1","1") = "6"
    & skf21("1","7","5","3","6","6","2","1") = "6"
    & skf21("1","7","5","3","6","6","3","1") = "6"
    & skf21("1","7","5","3","6","6","4","1") = "6"
    & skf21("1","7","5","3","6","6","5","1") = "6"
    & skf21("1","7","5","3","6","6","6","1") = "6"
    & skf21("1","7","5","3","6","6","7","1") = "6"
    & skf21("1","7","5","3","6","7","1","1") = "6"
    & skf21("1","7","5","3","6","7","2","1") = "6"
    & skf21("1","7","5","3","6","7","3","1") = "6"
    & skf21("1","7","5","3","6","7","4","1") = "6"
    & skf21("1","7","5","3","6","7","5","1") = "6"
    & skf21("1","7","5","3","6","7","6","1") = "6"
    & skf21("1","7","5","3","6","7","7","1") = "6"
    & skf21("1","7","5","3","7","1","1","1") = "6"
    & skf21("1","7","5","3","7","1","2","1") = "6"
    & skf21("1","7","5","3","7","1","3","1") = "6"
    & skf21("1","7","5","3","7","1","4","1") = "6"
    & skf21("1","7","5","3","7","1","5","1") = "6"
    & skf21("1","7","5","3","7","1","6","1") = "6"
    & skf21("1","7","5","3","7","1","7","1") = "6"
    & skf21("1","7","5","3","7","2","1","1") = "6"
    & skf21("1","7","5","3","7","2","2","1") = "6"
    & skf21("1","7","5","3","7","2","3","1") = "6"
    & skf21("1","7","5","3","7","2","4","1") = "6"
    & skf21("1","7","5","3","7","2","5","1") = "6"
    & skf21("1","7","5","3","7","2","6","1") = "6"
    & skf21("1","7","5","3","7","2","7","1") = "6"
    & skf21("1","7","5","3","7","3","1","1") = "6"
    & skf21("1","7","5","3","7","3","2","1") = "6"
    & skf21("1","7","5","3","7","3","3","1") = "6"
    & skf21("1","7","5","3","7","3","4","1") = "6"
    & skf21("1","7","5","3","7","3","5","1") = "6"
    & skf21("1","7","5","3","7","3","6","1") = "6"
    & skf21("1","7","5","3","7","3","7","1") = "6"
    & skf21("1","7","5","3","7","4","1","1") = "6"
    & skf21("1","7","5","3","7","4","2","1") = "6"
    & skf21("1","7","5","3","7","4","3","1") = "6"
    & skf21("1","7","5","3","7","4","4","1") = "6"
    & skf21("1","7","5","3","7","4","5","1") = "6"
    & skf21("1","7","5","3","7","4","6","1") = "6"
    & skf21("1","7","5","3","7","4","7","1") = "6"
    & skf21("1","7","5","3","7","5","1","1") = "6"
    & skf21("1","7","5","3","7","5","2","1") = "6"
    & skf21("1","7","5","3","7","5","3","1") = "6"
    & skf21("1","7","5","3","7","5","4","1") = "6"
    & skf21("1","7","5","3","7","5","5","1") = "6"
    & skf21("1","7","5","3","7","5","6","1") = "6"
    & skf21("1","7","5","3","7","5","7","1") = "6"
    & skf21("1","7","5","3","7","6","1","1") = "6"
    & skf21("1","7","5","3","7","6","2","1") = "6"
    & skf21("1","7","5","3","7","6","3","1") = "6"
    & skf21("1","7","5","3","7","6","4","1") = "6"
    & skf21("1","7","5","3","7","6","5","1") = "6"
    & skf21("1","7","5","3","7","6","6","1") = "6"
    & skf21("1","7","5","3","7","6","7","1") = "6"
    & skf21("1","7","5","3","7","7","1","1") = "6"
    & skf21("1","7","5","3","7","7","2","1") = "6"
    & skf21("1","7","5","3","7","7","3","1") = "6"
    & skf21("1","7","5","3","7","7","4","1") = "6"
    & skf21("1","7","5","3","7","7","5","1") = "6"
    & skf21("1","7","5","3","7","7","6","1") = "6"
    & skf21("1","7","5","3","7","7","7","1") = "6"
    & skf21("1","7","5","4","1","1","1","1") = "6"
    & skf21("1","7","5","4","1","1","2","1") = "6"
    & skf21("1","7","5","4","1","1","3","1") = "6"
    & skf21("1","7","5","4","1","1","4","1") = "6"
    & skf21("1","7","5","4","1","1","5","1") = "6"
    & skf21("1","7","5","4","1","1","6","1") = "6"
    & skf21("1","7","5","4","1","1","7","1") = "6"
    & skf21("1","7","5","4","1","2","1","1") = "6"
    & skf21("1","7","5","4","1","2","2","1") = "6"
    & skf21("1","7","5","4","1","2","3","1") = "6"
    & skf21("1","7","5","4","1","2","4","1") = "6"
    & skf21("1","7","5","4","1","2","5","1") = "6"
    & skf21("1","7","5","4","1","2","6","1") = "6"
    & skf21("1","7","5","4","1","2","7","1") = "6"
    & skf21("1","7","5","4","1","3","1","1") = "6"
    & skf21("1","7","5","4","1","3","2","1") = "6"
    & skf21("1","7","5","4","1","3","3","1") = "6"
    & skf21("1","7","5","4","1","3","4","1") = "6"
    & skf21("1","7","5","4","1","3","5","1") = "6"
    & skf21("1","7","5","4","1","3","6","1") = "6"
    & skf21("1","7","5","4","1","3","7","1") = "6"
    & skf21("1","7","5","4","1","4","1","1") = "6"
    & skf21("1","7","5","4","1","4","2","1") = "6"
    & skf21("1","7","5","4","1","4","3","1") = "6"
    & skf21("1","7","5","4","1","4","4","1") = "6"
    & skf21("1","7","5","4","1","4","5","1") = "6"
    & skf21("1","7","5","4","1","4","6","1") = "6"
    & skf21("1","7","5","4","1","4","7","1") = "6"
    & skf21("1","7","5","4","1","5","1","1") = "6"
    & skf21("1","7","5","4","1","5","2","1") = "6"
    & skf21("1","7","5","4","1","5","3","1") = "6"
    & skf21("1","7","5","4","1","5","4","1") = "6"
    & skf21("1","7","5","4","1","5","5","1") = "6"
    & skf21("1","7","5","4","1","5","6","1") = "6"
    & skf21("1","7","5","4","1","5","7","1") = "6"
    & skf21("1","7","5","4","1","6","1","1") = "6"
    & skf21("1","7","5","4","1","6","2","1") = "6"
    & skf21("1","7","5","4","1","6","3","1") = "6"
    & skf21("1","7","5","4","1","6","4","1") = "6"
    & skf21("1","7","5","4","1","6","5","1") = "6"
    & skf21("1","7","5","4","1","6","6","1") = "6"
    & skf21("1","7","5","4","1","6","7","1") = "6"
    & skf21("1","7","5","4","1","7","1","1") = "6"
    & skf21("1","7","5","4","1","7","2","1") = "6"
    & skf21("1","7","5","4","1","7","3","1") = "6"
    & skf21("1","7","5","4","1","7","4","1") = "6"
    & skf21("1","7","5","4","1","7","5","1") = "6"
    & skf21("1","7","5","4","1","7","6","1") = "6"
    & skf21("1","7","5","4","1","7","7","1") = "6"
    & skf21("1","7","5","4","2","1","1","1") = "6"
    & skf21("1","7","5","4","2","1","2","1") = "6"
    & skf21("1","7","5","4","2","1","3","1") = "6"
    & skf21("1","7","5","4","2","1","4","1") = "6"
    & skf21("1","7","5","4","2","1","5","1") = "6"
    & skf21("1","7","5","4","2","1","6","1") = "6"
    & skf21("1","7","5","4","2","1","7","1") = "6"
    & skf21("1","7","5","4","2","2","1","1") = "6"
    & skf21("1","7","5","4","2","2","2","1") = "6"
    & skf21("1","7","5","4","2","2","3","1") = "6"
    & skf21("1","7","5","4","2","2","4","1") = "6"
    & skf21("1","7","5","4","2","2","5","1") = "6"
    & skf21("1","7","5","4","2","2","6","1") = "6"
    & skf21("1","7","5","4","2","2","7","1") = "6"
    & skf21("1","7","5","4","2","3","1","1") = "6"
    & skf21("1","7","5","4","2","3","2","1") = "6"
    & skf21("1","7","5","4","2","3","3","1") = "6"
    & skf21("1","7","5","4","2","3","4","1") = "6"
    & skf21("1","7","5","4","2","3","5","1") = "6"
    & skf21("1","7","5","4","2","3","6","1") = "6"
    & skf21("1","7","5","4","2","3","7","1") = "6"
    & skf21("1","7","5","4","2","4","1","1") = "6"
    & skf21("1","7","5","4","2","4","2","1") = "6"
    & skf21("1","7","5","4","2","4","3","1") = "6"
    & skf21("1","7","5","4","2","4","4","1") = "6"
    & skf21("1","7","5","4","2","4","5","1") = "6"
    & skf21("1","7","5","4","2","4","6","1") = "6"
    & skf21("1","7","5","4","2","4","7","1") = "6"
    & skf21("1","7","5","4","2","5","1","1") = "6"
    & skf21("1","7","5","4","2","5","2","1") = "6"
    & skf21("1","7","5","4","2","5","3","1") = "6"
    & skf21("1","7","5","4","2","5","4","1") = "6"
    & skf21("1","7","5","4","2","5","5","1") = "6"
    & skf21("1","7","5","4","2","5","6","1") = "6"
    & skf21("1","7","5","4","2","5","7","1") = "6"
    & skf21("1","7","5","4","2","6","1","1") = "6"
    & skf21("1","7","5","4","2","6","2","1") = "6"
    & skf21("1","7","5","4","2","6","3","1") = "6"
    & skf21("1","7","5","4","2","6","4","1") = "6"
    & skf21("1","7","5","4","2","6","5","1") = "6"
    & skf21("1","7","5","4","2","6","6","1") = "6"
    & skf21("1","7","5","4","2","6","7","1") = "6"
    & skf21("1","7","5","4","2","7","1","1") = "6"
    & skf21("1","7","5","4","2","7","2","1") = "6"
    & skf21("1","7","5","4","2","7","3","1") = "6"
    & skf21("1","7","5","4","2","7","4","1") = "6"
    & skf21("1","7","5","4","2","7","5","1") = "6"
    & skf21("1","7","5","4","2","7","6","1") = "6"
    & skf21("1","7","5","4","2","7","7","1") = "6"
    & skf21("1","7","5","4","3","1","1","1") = "6"
    & skf21("1","7","5","4","3","1","2","1") = "6"
    & skf21("1","7","5","4","3","1","3","1") = "6"
    & skf21("1","7","5","4","3","1","4","1") = "6"
    & skf21("1","7","5","4","3","1","5","1") = "6"
    & skf21("1","7","5","4","3","1","6","1") = "6"
    & skf21("1","7","5","4","3","1","7","1") = "6"
    & skf21("1","7","5","4","3","2","1","1") = "6"
    & skf21("1","7","5","4","3","2","2","1") = "6"
    & skf21("1","7","5","4","3","2","3","1") = "6"
    & skf21("1","7","5","4","3","2","4","1") = "6"
    & skf21("1","7","5","4","3","2","5","1") = "6"
    & skf21("1","7","5","4","3","2","6","1") = "6"
    & skf21("1","7","5","4","3","2","7","1") = "6"
    & skf21("1","7","5","4","3","3","1","1") = "6"
    & skf21("1","7","5","4","3","3","2","1") = "6"
    & skf21("1","7","5","4","3","3","3","1") = "6"
    & skf21("1","7","5","4","3","3","4","1") = "6"
    & skf21("1","7","5","4","3","3","5","1") = "6"
    & skf21("1","7","5","4","3","3","6","1") = "6"
    & skf21("1","7","5","4","3","3","7","1") = "6"
    & skf21("1","7","5","4","3","4","1","1") = "6"
    & skf21("1","7","5","4","3","4","2","1") = "6"
    & skf21("1","7","5","4","3","4","3","1") = "6"
    & skf21("1","7","5","4","3","4","4","1") = "6"
    & skf21("1","7","5","4","3","4","5","1") = "6"
    & skf21("1","7","5","4","3","4","6","1") = "6"
    & skf21("1","7","5","4","3","4","7","1") = "6"
    & skf21("1","7","5","4","3","5","1","1") = "6"
    & skf21("1","7","5","4","3","5","2","1") = "6"
    & skf21("1","7","5","4","3","5","3","1") = "6"
    & skf21("1","7","5","4","3","5","4","1") = "6"
    & skf21("1","7","5","4","3","5","5","1") = "6"
    & skf21("1","7","5","4","3","5","6","1") = "6"
    & skf21("1","7","5","4","3","5","7","1") = "6"
    & skf21("1","7","5","4","3","6","1","1") = "6"
    & skf21("1","7","5","4","3","6","2","1") = "6"
    & skf21("1","7","5","4","3","6","3","1") = "6"
    & skf21("1","7","5","4","3","6","4","1") = "6"
    & skf21("1","7","5","4","3","6","5","1") = "6"
    & skf21("1","7","5","4","3","6","6","1") = "6"
    & skf21("1","7","5","4","3","6","7","1") = "6"
    & skf21("1","7","5","4","3","7","1","1") = "6"
    & skf21("1","7","5","4","3","7","2","1") = "6"
    & skf21("1","7","5","4","3","7","3","1") = "6"
    & skf21("1","7","5","4","3","7","4","1") = "6"
    & skf21("1","7","5","4","3","7","5","1") = "6"
    & skf21("1","7","5","4","3","7","6","1") = "6"
    & skf21("1","7","5","4","3","7","7","1") = "6"
    & skf21("1","7","5","4","4","1","1","1") = "6"
    & skf21("1","7","5","4","4","1","2","1") = "6"
    & skf21("1","7","5","4","4","1","3","1") = "6"
    & skf21("1","7","5","4","4","1","4","1") = "6"
    & skf21("1","7","5","4","4","1","5","1") = "6"
    & skf21("1","7","5","4","4","1","6","1") = "6"
    & skf21("1","7","5","4","4","1","7","1") = "6"
    & skf21("1","7","5","4","4","2","1","1") = "6"
    & skf21("1","7","5","4","4","2","2","1") = "6"
    & skf21("1","7","5","4","4","2","3","1") = "6"
    & skf21("1","7","5","4","4","2","4","1") = "6"
    & skf21("1","7","5","4","4","2","5","1") = "6"
    & skf21("1","7","5","4","4","2","6","1") = "6"
    & skf21("1","7","5","4","4","2","7","1") = "6"
    & skf21("1","7","5","4","4","3","1","1") = "6"
    & skf21("1","7","5","4","4","3","2","1") = "6"
    & skf21("1","7","5","4","4","3","3","1") = "6"
    & skf21("1","7","5","4","4","3","4","1") = "6"
    & skf21("1","7","5","4","4","3","5","1") = "6"
    & skf21("1","7","5","4","4","3","6","1") = "6"
    & skf21("1","7","5","4","4","3","7","1") = "6"
    & skf21("1","7","5","4","4","4","1","1") = "6"
    & skf21("1","7","5","4","4","4","2","1") = "6"
    & skf21("1","7","5","4","4","4","3","1") = "6"
    & skf21("1","7","5","4","4","4","4","1") = "6"
    & skf21("1","7","5","4","4","4","5","1") = "6"
    & skf21("1","7","5","4","4","4","6","1") = "6"
    & skf21("1","7","5","4","4","4","7","1") = "6"
    & skf21("1","7","5","4","4","5","1","1") = "6"
    & skf21("1","7","5","4","4","5","2","1") = "6"
    & skf21("1","7","5","4","4","5","3","1") = "6"
    & skf21("1","7","5","4","4","5","4","1") = "6"
    & skf21("1","7","5","4","4","5","5","1") = "6"
    & skf21("1","7","5","4","4","5","6","1") = "6"
    & skf21("1","7","5","4","4","5","7","1") = "6"
    & skf21("1","7","5","4","4","6","1","1") = "6"
    & skf21("1","7","5","4","4","6","2","1") = "6"
    & skf21("1","7","5","4","4","6","3","1") = "6"
    & skf21("1","7","5","4","4","6","4","1") = "6"
    & skf21("1","7","5","4","4","6","5","1") = "6"
    & skf21("1","7","5","4","4","6","6","1") = "6"
    & skf21("1","7","5","4","4","6","7","1") = "6"
    & skf21("1","7","5","4","4","7","1","1") = "6"
    & skf21("1","7","5","4","4","7","2","1") = "6"
    & skf21("1","7","5","4","4","7","3","1") = "6"
    & skf21("1","7","5","4","4","7","4","1") = "6"
    & skf21("1","7","5","4","4","7","5","1") = "6"
    & skf21("1","7","5","4","4","7","6","1") = "6"
    & skf21("1","7","5","4","4","7","7","1") = "6"
    & skf21("1","7","5","4","5","1","1","1") = "6"
    & skf21("1","7","5","4","5","1","2","1") = "6"
    & skf21("1","7","5","4","5","1","3","1") = "6"
    & skf21("1","7","5","4","5","1","4","1") = "6"
    & skf21("1","7","5","4","5","1","5","1") = "6"
    & skf21("1","7","5","4","5","1","6","1") = "6"
    & skf21("1","7","5","4","5","1","7","1") = "6"
    & skf21("1","7","5","4","5","2","1","1") = "6"
    & skf21("1","7","5","4","5","2","2","1") = "6"
    & skf21("1","7","5","4","5","2","3","1") = "6"
    & skf21("1","7","5","4","5","2","4","1") = "6"
    & skf21("1","7","5","4","5","2","5","1") = "6"
    & skf21("1","7","5","4","5","2","6","1") = "6"
    & skf21("1","7","5","4","5","2","7","1") = "6"
    & skf21("1","7","5","4","5","3","1","1") = "6"
    & skf21("1","7","5","4","5","3","2","1") = "6"
    & skf21("1","7","5","4","5","3","3","1") = "6"
    & skf21("1","7","5","4","5","3","4","1") = "6"
    & skf21("1","7","5","4","5","3","5","1") = "6"
    & skf21("1","7","5","4","5","3","6","1") = "6"
    & skf21("1","7","5","4","5","3","7","1") = "6"
    & skf21("1","7","5","4","5","4","1","1") = "6"
    & skf21("1","7","5","4","5","4","2","1") = "6"
    & skf21("1","7","5","4","5","4","3","1") = "6"
    & skf21("1","7","5","4","5","4","4","1") = "6"
    & skf21("1","7","5","4","5","4","5","1") = "6"
    & skf21("1","7","5","4","5","4","6","1") = "6"
    & skf21("1","7","5","4","5","4","7","1") = "6"
    & skf21("1","7","5","4","5","5","1","1") = "6"
    & skf21("1","7","5","4","5","5","2","1") = "6"
    & skf21("1","7","5","4","5","5","3","1") = "6"
    & skf21("1","7","5","4","5","5","4","1") = "6"
    & skf21("1","7","5","4","5","5","5","1") = "6"
    & skf21("1","7","5","4","5","5","6","1") = "6"
    & skf21("1","7","5","4","5","5","7","1") = "6"
    & skf21("1","7","5","4","5","6","1","1") = "6"
    & skf21("1","7","5","4","5","6","2","1") = "6"
    & skf21("1","7","5","4","5","6","3","1") = "6"
    & skf21("1","7","5","4","5","6","4","1") = "6"
    & skf21("1","7","5","4","5","6","5","1") = "6"
    & skf21("1","7","5","4","5","6","6","1") = "6"
    & skf21("1","7","5","4","5","6","7","1") = "6"
    & skf21("1","7","5","4","5","7","1","1") = "6"
    & skf21("1","7","5","4","5","7","2","1") = "6"
    & skf21("1","7","5","4","5","7","3","1") = "6"
    & skf21("1","7","5","4","5","7","4","1") = "6"
    & skf21("1","7","5","4","5","7","5","1") = "6"
    & skf21("1","7","5","4","5","7","6","1") = "6"
    & skf21("1","7","5","4","5","7","7","1") = "6"
    & skf21("1","7","5","4","6","1","1","1") = "6"
    & skf21("1","7","5","4","6","1","2","1") = "6"
    & skf21("1","7","5","4","6","1","3","1") = "6"
    & skf21("1","7","5","4","6","1","4","1") = "6"
    & skf21("1","7","5","4","6","1","5","1") = "6"
    & skf21("1","7","5","4","6","1","6","1") = "6"
    & skf21("1","7","5","4","6","1","7","1") = "6"
    & skf21("1","7","5","4","6","2","1","1") = "6"
    & skf21("1","7","5","4","6","2","2","1") = "6"
    & skf21("1","7","5","4","6","2","3","1") = "6"
    & skf21("1","7","5","4","6","2","4","1") = "6"
    & skf21("1","7","5","4","6","2","5","1") = "6"
    & skf21("1","7","5","4","6","2","6","1") = "6"
    & skf21("1","7","5","4","6","2","7","1") = "6"
    & skf21("1","7","5","4","6","3","1","1") = "6"
    & skf21("1","7","5","4","6","3","2","1") = "6"
    & skf21("1","7","5","4","6","3","3","1") = "6"
    & skf21("1","7","5","4","6","3","4","1") = "6"
    & skf21("1","7","5","4","6","3","5","1") = "6"
    & skf21("1","7","5","4","6","3","6","1") = "6"
    & skf21("1","7","5","4","6","3","7","1") = "6"
    & skf21("1","7","5","4","6","4","1","1") = "6"
    & skf21("1","7","5","4","6","4","2","1") = "6"
    & skf21("1","7","5","4","6","4","3","1") = "6"
    & skf21("1","7","5","4","6","4","4","1") = "6"
    & skf21("1","7","5","4","6","4","5","1") = "6"
    & skf21("1","7","5","4","6","4","6","1") = "6"
    & skf21("1","7","5","4","6","4","7","1") = "6"
    & skf21("1","7","5","4","6","5","1","1") = "6"
    & skf21("1","7","5","4","6","5","2","1") = "6"
    & skf21("1","7","5","4","6","5","3","1") = "6"
    & skf21("1","7","5","4","6","5","4","1") = "6"
    & skf21("1","7","5","4","6","5","5","1") = "6"
    & skf21("1","7","5","4","6","5","6","1") = "6"
    & skf21("1","7","5","4","6","5","7","1") = "6"
    & skf21("1","7","5","4","6","6","1","1") = "6"
    & skf21("1","7","5","4","6","6","2","1") = "6"
    & skf21("1","7","5","4","6","6","3","1") = "6"
    & skf21("1","7","5","4","6","6","4","1") = "6"
    & skf21("1","7","5","4","6","6","5","1") = "6"
    & skf21("1","7","5","4","6","6","6","1") = "6"
    & skf21("1","7","5","4","6","6","7","1") = "6"
    & skf21("1","7","5","4","6","7","1","1") = "6"
    & skf21("1","7","5","4","6","7","2","1") = "6"
    & skf21("1","7","5","4","6","7","3","1") = "6"
    & skf21("1","7","5","4","6","7","4","1") = "6"
    & skf21("1","7","5","4","6","7","5","1") = "6"
    & skf21("1","7","5","4","6","7","6","1") = "6"
    & skf21("1","7","5","4","6","7","7","1") = "6"
    & skf21("1","7","5","4","7","1","1","1") = "6"
    & skf21("1","7","5","4","7","1","2","1") = "6"
    & skf21("1","7","5","4","7","1","3","1") = "6"
    & skf21("1","7","5","4","7","1","4","1") = "6"
    & skf21("1","7","5","4","7","1","5","1") = "6"
    & skf21("1","7","5","4","7","1","6","1") = "6"
    & skf21("1","7","5","4","7","1","7","1") = "6"
    & skf21("1","7","5","4","7","2","1","1") = "6"
    & skf21("1","7","5","4","7","2","2","1") = "6"
    & skf21("1","7","5","4","7","2","3","1") = "6"
    & skf21("1","7","5","4","7","2","4","1") = "6"
    & skf21("1","7","5","4","7","2","5","1") = "6"
    & skf21("1","7","5","4","7","2","6","1") = "6"
    & skf21("1","7","5","4","7","2","7","1") = "6"
    & skf21("1","7","5","4","7","3","1","1") = "6"
    & skf21("1","7","5","4","7","3","2","1") = "6"
    & skf21("1","7","5","4","7","3","3","1") = "6"
    & skf21("1","7","5","4","7","3","4","1") = "6"
    & skf21("1","7","5","4","7","3","5","1") = "6"
    & skf21("1","7","5","4","7","3","6","1") = "6"
    & skf21("1","7","5","4","7","3","7","1") = "6"
    & skf21("1","7","5","4","7","4","1","1") = "6"
    & skf21("1","7","5","4","7","4","2","1") = "6"
    & skf21("1","7","5","4","7","4","3","1") = "6"
    & skf21("1","7","5","4","7","4","4","1") = "6"
    & skf21("1","7","5","4","7","4","5","1") = "6"
    & skf21("1","7","5","4","7","4","6","1") = "6"
    & skf21("1","7","5","4","7","4","7","1") = "6"
    & skf21("1","7","5","4","7","5","1","1") = "6"
    & skf21("1","7","5","4","7","5","2","1") = "6"
    & skf21("1","7","5","4","7","5","3","1") = "6"
    & skf21("1","7","5","4","7","5","4","1") = "6"
    & skf21("1","7","5","4","7","5","5","1") = "6"
    & skf21("1","7","5","4","7","5","6","1") = "6"
    & skf21("1","7","5","4","7","5","7","1") = "6"
    & skf21("1","7","5","4","7","6","1","1") = "6"
    & skf21("1","7","5","4","7","6","2","1") = "6"
    & skf21("1","7","5","4","7","6","3","1") = "6"
    & skf21("1","7","5","4","7","6","4","1") = "6"
    & skf21("1","7","5","4","7","6","5","1") = "6"
    & skf21("1","7","5","4","7","6","6","1") = "6"
    & skf21("1","7","5","4","7","6","7","1") = "6"
    & skf21("1","7","5","4","7","7","1","1") = "6"
    & skf21("1","7","5","4","7","7","2","1") = "6"
    & skf21("1","7","5","4","7","7","3","1") = "6"
    & skf21("1","7","5","4","7","7","4","1") = "6"
    & skf21("1","7","5","4","7","7","5","1") = "6"
    & skf21("1","7","5","4","7","7","6","1") = "6"
    & skf21("1","7","5","4","7","7","7","1") = "6"
    & skf21("1","7","5","5","1","1","1","1") = "6"
    & skf21("1","7","5","5","1","1","2","1") = "6"
    & skf21("1","7","5","5","1","1","3","1") = "6"
    & skf21("1","7","5","5","1","1","4","1") = "6"
    & skf21("1","7","5","5","1","1","5","1") = "6"
    & skf21("1","7","5","5","1","1","6","1") = "6"
    & skf21("1","7","5","5","1","1","7","1") = "6"
    & skf21("1","7","5","5","1","2","1","1") = "6"
    & skf21("1","7","5","5","1","2","2","1") = "6"
    & skf21("1","7","5","5","1","2","3","1") = "6"
    & skf21("1","7","5","5","1","2","4","1") = "6"
    & skf21("1","7","5","5","1","2","5","1") = "6"
    & skf21("1","7","5","5","1","2","6","1") = "6"
    & skf21("1","7","5","5","1","2","7","1") = "6"
    & skf21("1","7","5","5","1","3","1","1") = "6"
    & skf21("1","7","5","5","1","3","2","1") = "6"
    & skf21("1","7","5","5","1","3","3","1") = "6"
    & skf21("1","7","5","5","1","3","4","1") = "6"
    & skf21("1","7","5","5","1","3","5","1") = "6"
    & skf21("1","7","5","5","1","3","6","1") = "6"
    & skf21("1","7","5","5","1","3","7","1") = "6"
    & skf21("1","7","5","5","1","4","1","1") = "6"
    & skf21("1","7","5","5","1","4","2","1") = "6"
    & skf21("1","7","5","5","1","4","3","1") = "6"
    & skf21("1","7","5","5","1","4","4","1") = "6"
    & skf21("1","7","5","5","1","4","5","1") = "6"
    & skf21("1","7","5","5","1","4","6","1") = "6"
    & skf21("1","7","5","5","1","4","7","1") = "6"
    & skf21("1","7","5","5","1","5","1","1") = "6"
    & skf21("1","7","5","5","1","5","2","1") = "6"
    & skf21("1","7","5","5","1","5","3","1") = "6"
    & skf21("1","7","5","5","1","5","4","1") = "6"
    & skf21("1","7","5","5","1","5","5","1") = "6"
    & skf21("1","7","5","5","1","5","6","1") = "6"
    & skf21("1","7","5","5","1","5","7","1") = "6"
    & skf21("1","7","5","5","1","6","1","1") = "6"
    & skf21("1","7","5","5","1","6","2","1") = "6"
    & skf21("1","7","5","5","1","6","3","1") = "6"
    & skf21("1","7","5","5","1","6","4","1") = "6"
    & skf21("1","7","5","5","1","6","5","1") = "6"
    & skf21("1","7","5","5","1","6","6","1") = "6"
    & skf21("1","7","5","5","1","6","7","1") = "6"
    & skf21("1","7","5","5","1","7","1","1") = "6"
    & skf21("1","7","5","5","1","7","2","1") = "6"
    & skf21("1","7","5","5","1","7","3","1") = "6"
    & skf21("1","7","5","5","1","7","4","1") = "6"
    & skf21("1","7","5","5","1","7","5","1") = "6"
    & skf21("1","7","5","5","1","7","6","1") = "6"
    & skf21("1","7","5","5","1","7","7","1") = "6"
    & skf21("1","7","5","5","2","1","1","1") = "6"
    & skf21("1","7","5","5","2","1","2","1") = "6"
    & skf21("1","7","5","5","2","1","3","1") = "6"
    & skf21("1","7","5","5","2","1","4","1") = "6"
    & skf21("1","7","5","5","2","1","5","1") = "6"
    & skf21("1","7","5","5","2","1","6","1") = "6"
    & skf21("1","7","5","5","2","1","7","1") = "6"
    & skf21("1","7","5","5","2","2","1","1") = "6"
    & skf21("1","7","5","5","2","2","2","1") = "6"
    & skf21("1","7","5","5","2","2","3","1") = "6"
    & skf21("1","7","5","5","2","2","4","1") = "6"
    & skf21("1","7","5","5","2","2","5","1") = "6"
    & skf21("1","7","5","5","2","2","6","1") = "6"
    & skf21("1","7","5","5","2","2","7","1") = "6"
    & skf21("1","7","5","5","2","3","1","1") = "6"
    & skf21("1","7","5","5","2","3","2","1") = "6"
    & skf21("1","7","5","5","2","3","3","1") = "6"
    & skf21("1","7","5","5","2","3","4","1") = "6"
    & skf21("1","7","5","5","2","3","5","1") = "6"
    & skf21("1","7","5","5","2","3","6","1") = "6"
    & skf21("1","7","5","5","2","3","7","1") = "6"
    & skf21("1","7","5","5","2","4","1","1") = "6"
    & skf21("1","7","5","5","2","4","2","1") = "6"
    & skf21("1","7","5","5","2","4","3","1") = "6"
    & skf21("1","7","5","5","2","4","4","1") = "6"
    & skf21("1","7","5","5","2","4","5","1") = "6"
    & skf21("1","7","5","5","2","4","6","1") = "6"
    & skf21("1","7","5","5","2","4","7","1") = "6"
    & skf21("1","7","5","5","2","5","1","1") = "6"
    & skf21("1","7","5","5","2","5","2","1") = "6"
    & skf21("1","7","5","5","2","5","3","1") = "6"
    & skf21("1","7","5","5","2","5","4","1") = "6"
    & skf21("1","7","5","5","2","5","5","1") = "6"
    & skf21("1","7","5","5","2","5","6","1") = "6"
    & skf21("1","7","5","5","2","5","7","1") = "6"
    & skf21("1","7","5","5","2","6","1","1") = "6"
    & skf21("1","7","5","5","2","6","2","1") = "6"
    & skf21("1","7","5","5","2","6","3","1") = "6"
    & skf21("1","7","5","5","2","6","4","1") = "6"
    & skf21("1","7","5","5","2","6","5","1") = "6"
    & skf21("1","7","5","5","2","6","6","1") = "6"
    & skf21("1","7","5","5","2","6","7","1") = "6"
    & skf21("1","7","5","5","2","7","1","1") = "6"
    & skf21("1","7","5","5","2","7","2","1") = "6"
    & skf21("1","7","5","5","2","7","3","1") = "6"
    & skf21("1","7","5","5","2","7","4","1") = "6"
    & skf21("1","7","5","5","2","7","5","1") = "6"
    & skf21("1","7","5","5","2","7","6","1") = "6"
    & skf21("1","7","5","5","2","7","7","1") = "6"
    & skf21("1","7","5","5","3","1","1","1") = "6"
    & skf21("1","7","5","5","3","1","2","1") = "6"
    & skf21("1","7","5","5","3","1","3","1") = "6"
    & skf21("1","7","5","5","3","1","4","1") = "6"
    & skf21("1","7","5","5","3","1","5","1") = "6"
    & skf21("1","7","5","5","3","1","6","1") = "6"
    & skf21("1","7","5","5","3","1","7","1") = "6"
    & skf21("1","7","5","5","3","2","1","1") = "6"
    & skf21("1","7","5","5","3","2","2","1") = "6"
    & skf21("1","7","5","5","3","2","3","1") = "6"
    & skf21("1","7","5","5","3","2","4","1") = "6"
    & skf21("1","7","5","5","3","2","5","1") = "6"
    & skf21("1","7","5","5","3","2","6","1") = "6"
    & skf21("1","7","5","5","3","2","7","1") = "6"
    & skf21("1","7","5","5","3","3","1","1") = "6"
    & skf21("1","7","5","5","3","3","2","1") = "6"
    & skf21("1","7","5","5","3","3","3","1") = "6"
    & skf21("1","7","5","5","3","3","4","1") = "6"
    & skf21("1","7","5","5","3","3","5","1") = "6"
    & skf21("1","7","5","5","3","3","6","1") = "6"
    & skf21("1","7","5","5","3","3","7","1") = "6"
    & skf21("1","7","5","5","3","4","1","1") = "6"
    & skf21("1","7","5","5","3","4","2","1") = "6"
    & skf21("1","7","5","5","3","4","3","1") = "6"
    & skf21("1","7","5","5","3","4","4","1") = "6"
    & skf21("1","7","5","5","3","4","5","1") = "6"
    & skf21("1","7","5","5","3","4","6","1") = "6"
    & skf21("1","7","5","5","3","4","7","1") = "6"
    & skf21("1","7","5","5","3","5","1","1") = "6"
    & skf21("1","7","5","5","3","5","2","1") = "6"
    & skf21("1","7","5","5","3","5","3","1") = "6"
    & skf21("1","7","5","5","3","5","4","1") = "6"
    & skf21("1","7","5","5","3","5","5","1") = "6"
    & skf21("1","7","5","5","3","5","6","1") = "6"
    & skf21("1","7","5","5","3","5","7","1") = "6"
    & skf21("1","7","5","5","3","6","1","1") = "6"
    & skf21("1","7","5","5","3","6","2","1") = "6"
    & skf21("1","7","5","5","3","6","3","1") = "6"
    & skf21("1","7","5","5","3","6","4","1") = "6"
    & skf21("1","7","5","5","3","6","5","1") = "6"
    & skf21("1","7","5","5","3","6","6","1") = "6"
    & skf21("1","7","5","5","3","6","7","1") = "6"
    & skf21("1","7","5","5","3","7","1","1") = "6"
    & skf21("1","7","5","5","3","7","2","1") = "6"
    & skf21("1","7","5","5","3","7","3","1") = "6"
    & skf21("1","7","5","5","3","7","4","1") = "6"
    & skf21("1","7","5","5","3","7","5","1") = "6"
    & skf21("1","7","5","5","3","7","6","1") = "6"
    & skf21("1","7","5","5","3","7","7","1") = "6"
    & skf21("1","7","5","5","4","1","1","1") = "6"
    & skf21("1","7","5","5","4","1","2","1") = "6"
    & skf21("1","7","5","5","4","1","3","1") = "6"
    & skf21("1","7","5","5","4","1","4","1") = "6"
    & skf21("1","7","5","5","4","1","5","1") = "6"
    & skf21("1","7","5","5","4","1","6","1") = "6"
    & skf21("1","7","5","5","4","1","7","1") = "6"
    & skf21("1","7","5","5","4","2","1","1") = "6"
    & skf21("1","7","5","5","4","2","2","1") = "6"
    & skf21("1","7","5","5","4","2","3","1") = "6"
    & skf21("1","7","5","5","4","2","4","1") = "6"
    & skf21("1","7","5","5","4","2","5","1") = "6"
    & skf21("1","7","5","5","4","2","6","1") = "6"
    & skf21("1","7","5","5","4","2","7","1") = "6"
    & skf21("1","7","5","5","4","3","1","1") = "6"
    & skf21("1","7","5","5","4","3","2","1") = "6"
    & skf21("1","7","5","5","4","3","3","1") = "6"
    & skf21("1","7","5","5","4","3","4","1") = "6"
    & skf21("1","7","5","5","4","3","5","1") = "6"
    & skf21("1","7","5","5","4","3","6","1") = "6"
    & skf21("1","7","5","5","4","3","7","1") = "6"
    & skf21("1","7","5","5","4","4","1","1") = "6"
    & skf21("1","7","5","5","4","4","2","1") = "6"
    & skf21("1","7","5","5","4","4","3","1") = "6"
    & skf21("1","7","5","5","4","4","4","1") = "6"
    & skf21("1","7","5","5","4","4","5","1") = "6"
    & skf21("1","7","5","5","4","4","6","1") = "6"
    & skf21("1","7","5","5","4","4","7","1") = "6"
    & skf21("1","7","5","5","4","5","1","1") = "6"
    & skf21("1","7","5","5","4","5","2","1") = "6"
    & skf21("1","7","5","5","4","5","3","1") = "6"
    & skf21("1","7","5","5","4","5","4","1") = "6"
    & skf21("1","7","5","5","4","5","5","1") = "6"
    & skf21("1","7","5","5","4","5","6","1") = "6"
    & skf21("1","7","5","5","4","5","7","1") = "6"
    & skf21("1","7","5","5","4","6","1","1") = "6"
    & skf21("1","7","5","5","4","6","2","1") = "6"
    & skf21("1","7","5","5","4","6","3","1") = "6"
    & skf21("1","7","5","5","4","6","4","1") = "6"
    & skf21("1","7","5","5","4","6","5","1") = "6"
    & skf21("1","7","5","5","4","6","6","1") = "6"
    & skf21("1","7","5","5","4","6","7","1") = "6"
    & skf21("1","7","5","5","4","7","1","1") = "6"
    & skf21("1","7","5","5","4","7","2","1") = "6"
    & skf21("1","7","5","5","4","7","3","1") = "6"
    & skf21("1","7","5","5","4","7","4","1") = "6"
    & skf21("1","7","5","5","4","7","5","1") = "6"
    & skf21("1","7","5","5","4","7","6","1") = "6"
    & skf21("1","7","5","5","4","7","7","1") = "6"
    & skf21("1","7","5","5","5","1","1","1") = "6"
    & skf21("1","7","5","5","5","1","2","1") = "6"
    & skf21("1","7","5","5","5","1","3","1") = "6"
    & skf21("1","7","5","5","5","1","4","1") = "6"
    & skf21("1","7","5","5","5","1","5","1") = "6"
    & skf21("1","7","5","5","5","1","6","1") = "6"
    & skf21("1","7","5","5","5","1","7","1") = "6"
    & skf21("1","7","5","5","5","2","1","1") = "6"
    & skf21("1","7","5","5","5","2","2","1") = "6"
    & skf21("1","7","5","5","5","2","3","1") = "6"
    & skf21("1","7","5","5","5","2","4","1") = "6"
    & skf21("1","7","5","5","5","2","5","1") = "6"
    & skf21("1","7","5","5","5","2","6","1") = "6"
    & skf21("1","7","5","5","5","2","7","1") = "6"
    & skf21("1","7","5","5","5","3","1","1") = "6"
    & skf21("1","7","5","5","5","3","2","1") = "6"
    & skf21("1","7","5","5","5","3","3","1") = "6"
    & skf21("1","7","5","5","5","3","4","1") = "6"
    & skf21("1","7","5","5","5","3","5","1") = "6"
    & skf21("1","7","5","5","5","3","6","1") = "6"
    & skf21("1","7","5","5","5","3","7","1") = "6"
    & skf21("1","7","5","5","5","4","1","1") = "6"
    & skf21("1","7","5","5","5","4","2","1") = "6"
    & skf21("1","7","5","5","5","4","3","1") = "6"
    & skf21("1","7","5","5","5","4","4","1") = "6"
    & skf21("1","7","5","5","5","4","5","1") = "6"
    & skf21("1","7","5","5","5","4","6","1") = "6"
    & skf21("1","7","5","5","5","4","7","1") = "6"
    & skf21("1","7","5","5","5","5","1","1") = "6"
    & skf21("1","7","5","5","5","5","2","1") = "6"
    & skf21("1","7","5","5","5","5","3","1") = "6"
    & skf21("1","7","5","5","5","5","4","1") = "6"
    & skf21("1","7","5","5","5","5","5","1") = "6"
    & skf21("1","7","5","5","5","5","6","1") = "6"
    & skf21("1","7","5","5","5","5","7","1") = "6"
    & skf21("1","7","5","5","5","6","1","1") = "6"
    & skf21("1","7","5","5","5","6","2","1") = "6"
    & skf21("1","7","5","5","5","6","3","1") = "6"
    & skf21("1","7","5","5","5","6","4","1") = "6"
    & skf21("1","7","5","5","5","6","5","1") = "6"
    & skf21("1","7","5","5","5","6","6","1") = "6"
    & skf21("1","7","5","5","5","6","7","1") = "6"
    & skf21("1","7","5","5","5","7","1","1") = "6"
    & skf21("1","7","5","5","5","7","2","1") = "6"
    & skf21("1","7","5","5","5","7","3","1") = "6"
    & skf21("1","7","5","5","5","7","4","1") = "6"
    & skf21("1","7","5","5","5","7","5","1") = "6"
    & skf21("1","7","5","5","5","7","6","1") = "6"
    & skf21("1","7","5","5","5","7","7","1") = "6"
    & skf21("1","7","5","5","6","1","1","1") = "6"
    & skf21("1","7","5","5","6","1","2","1") = "6"
    & skf21("1","7","5","5","6","1","3","1") = "6"
    & skf21("1","7","5","5","6","1","4","1") = "6"
    & skf21("1","7","5","5","6","1","5","1") = "6"
    & skf21("1","7","5","5","6","1","6","1") = "6"
    & skf21("1","7","5","5","6","1","7","1") = "6"
    & skf21("1","7","5","5","6","2","1","1") = "6"
    & skf21("1","7","5","5","6","2","2","1") = "6"
    & skf21("1","7","5","5","6","2","3","1") = "6"
    & skf21("1","7","5","5","6","2","4","1") = "6"
    & skf21("1","7","5","5","6","2","5","1") = "6"
    & skf21("1","7","5","5","6","2","6","1") = "6"
    & skf21("1","7","5","5","6","2","7","1") = "6"
    & skf21("1","7","5","5","6","3","1","1") = "6"
    & skf21("1","7","5","5","6","3","2","1") = "6"
    & skf21("1","7","5","5","6","3","3","1") = "6"
    & skf21("1","7","5","5","6","3","4","1") = "6"
    & skf21("1","7","5","5","6","3","5","1") = "6"
    & skf21("1","7","5","5","6","3","6","1") = "6"
    & skf21("1","7","5","5","6","3","7","1") = "6"
    & skf21("1","7","5","5","6","4","1","1") = "6"
    & skf21("1","7","5","5","6","4","2","1") = "6"
    & skf21("1","7","5","5","6","4","3","1") = "6"
    & skf21("1","7","5","5","6","4","4","1") = "6"
    & skf21("1","7","5","5","6","4","5","1") = "6"
    & skf21("1","7","5","5","6","4","6","1") = "6"
    & skf21("1","7","5","5","6","4","7","1") = "6"
    & skf21("1","7","5","5","6","5","1","1") = "6"
    & skf21("1","7","5","5","6","5","2","1") = "6"
    & skf21("1","7","5","5","6","5","3","1") = "6"
    & skf21("1","7","5","5","6","5","4","1") = "6"
    & skf21("1","7","5","5","6","5","5","1") = "6"
    & skf21("1","7","5","5","6","5","6","1") = "6"
    & skf21("1","7","5","5","6","5","7","1") = "6"
    & skf21("1","7","5","5","6","6","1","1") = "6"
    & skf21("1","7","5","5","6","6","2","1") = "6"
    & skf21("1","7","5","5","6","6","3","1") = "6"
    & skf21("1","7","5","5","6","6","4","1") = "6"
    & skf21("1","7","5","5","6","6","5","1") = "6"
    & skf21("1","7","5","5","6","6","6","1") = "6"
    & skf21("1","7","5","5","6","6","7","1") = "6"
    & skf21("1","7","5","5","6","7","1","1") = "6"
    & skf21("1","7","5","5","6","7","2","1") = "6"
    & skf21("1","7","5","5","6","7","3","1") = "6"
    & skf21("1","7","5","5","6","7","4","1") = "6"
    & skf21("1","7","5","5","6","7","5","1") = "6"
    & skf21("1","7","5","5","6","7","6","1") = "6"
    & skf21("1","7","5","5","6","7","7","1") = "6"
    & skf21("1","7","5","5","7","1","1","1") = "6"
    & skf21("1","7","5","5","7","1","2","1") = "6"
    & skf21("1","7","5","5","7","1","3","1") = "6"
    & skf21("1","7","5","5","7","1","4","1") = "6"
    & skf21("1","7","5","5","7","1","5","1") = "6"
    & skf21("1","7","5","5","7","1","6","1") = "6"
    & skf21("1","7","5","5","7","1","7","1") = "6"
    & skf21("1","7","5","5","7","2","1","1") = "6"
    & skf21("1","7","5","5","7","2","2","1") = "6"
    & skf21("1","7","5","5","7","2","3","1") = "6"
    & skf21("1","7","5","5","7","2","4","1") = "6"
    & skf21("1","7","5","5","7","2","5","1") = "6"
    & skf21("1","7","5","5","7","2","6","1") = "6"
    & skf21("1","7","5","5","7","2","7","1") = "6"
    & skf21("1","7","5","5","7","3","1","1") = "6"
    & skf21("1","7","5","5","7","3","2","1") = "6"
    & skf21("1","7","5","5","7","3","3","1") = "6"
    & skf21("1","7","5","5","7","3","4","1") = "6"
    & skf21("1","7","5","5","7","3","5","1") = "6"
    & skf21("1","7","5","5","7","3","6","1") = "6"
    & skf21("1","7","5","5","7","3","7","1") = "6"
    & skf21("1","7","5","5","7","4","1","1") = "6"
    & skf21("1","7","5","5","7","4","2","1") = "6"
    & skf21("1","7","5","5","7","4","3","1") = "6"
    & skf21("1","7","5","5","7","4","4","1") = "6"
    & skf21("1","7","5","5","7","4","5","1") = "6"
    & skf21("1","7","5","5","7","4","6","1") = "6"
    & skf21("1","7","5","5","7","4","7","1") = "6"
    & skf21("1","7","5","5","7","5","1","1") = "6"
    & skf21("1","7","5","5","7","5","2","1") = "6"
    & skf21("1","7","5","5","7","5","3","1") = "6"
    & skf21("1","7","5","5","7","5","4","1") = "6"
    & skf21("1","7","5","5","7","5","5","1") = "6"
    & skf21("1","7","5","5","7","5","6","1") = "6"
    & skf21("1","7","5","5","7","5","7","1") = "6"
    & skf21("1","7","5","5","7","6","1","1") = "6"
    & skf21("1","7","5","5","7","6","2","1") = "6"
    & skf21("1","7","5","5","7","6","3","1") = "6"
    & skf21("1","7","5","5","7","6","4","1") = "6"
    & skf21("1","7","5","5","7","6","5","1") = "6"
    & skf21("1","7","5","5","7","6","6","1") = "6"
    & skf21("1","7","5","5","7","6","7","1") = "6"
    & skf21("1","7","5","5","7","7","1","1") = "6"
    & skf21("1","7","5","5","7","7","2","1") = "6"
    & skf21("1","7","5","5","7","7","3","1") = "6"
    & skf21("1","7","5","5","7","7","4","1") = "6"
    & skf21("1","7","5","5","7","7","5","1") = "6"
    & skf21("1","7","5","5","7","7","6","1") = "6"
    & skf21("1","7","5","5","7","7","7","1") = "6"
    & skf21("1","7","5","6","1","1","1","1") = "6"
    & skf21("1","7","5","6","1","1","2","1") = "6"
    & skf21("1","7","5","6","1","1","3","1") = "6"
    & skf21("1","7","5","6","1","1","4","1") = "6"
    & skf21("1","7","5","6","1","1","5","1") = "6"
    & skf21("1","7","5","6","1","1","6","1") = "6"
    & skf21("1","7","5","6","1","1","7","1") = "6"
    & skf21("1","7","5","6","1","2","1","1") = "6"
    & skf21("1","7","5","6","1","2","2","1") = "6"
    & skf21("1","7","5","6","1","2","3","1") = "6"
    & skf21("1","7","5","6","1","2","4","1") = "6"
    & skf21("1","7","5","6","1","2","5","1") = "6"
    & skf21("1","7","5","6","1","2","6","1") = "6"
    & skf21("1","7","5","6","1","2","7","1") = "6"
    & skf21("1","7","5","6","1","3","1","1") = "6"
    & skf21("1","7","5","6","1","3","2","1") = "6"
    & skf21("1","7","5","6","1","3","3","1") = "6"
    & skf21("1","7","5","6","1","3","4","1") = "6"
    & skf21("1","7","5","6","1","3","5","1") = "6"
    & skf21("1","7","5","6","1","3","6","1") = "6"
    & skf21("1","7","5","6","1","3","7","1") = "6"
    & skf21("1","7","5","6","1","4","1","1") = "6"
    & skf21("1","7","5","6","1","4","2","1") = "6"
    & skf21("1","7","5","6","1","4","3","1") = "6"
    & skf21("1","7","5","6","1","4","4","1") = "6"
    & skf21("1","7","5","6","1","4","5","1") = "6"
    & skf21("1","7","5","6","1","4","6","1") = "6"
    & skf21("1","7","5","6","1","4","7","1") = "6"
    & skf21("1","7","5","6","1","5","1","1") = "6"
    & skf21("1","7","5","6","1","5","2","1") = "6"
    & skf21("1","7","5","6","1","5","3","1") = "6"
    & skf21("1","7","5","6","1","5","4","1") = "6"
    & skf21("1","7","5","6","1","5","5","1") = "6"
    & skf21("1","7","5","6","1","5","6","1") = "6"
    & skf21("1","7","5","6","1","5","7","1") = "6"
    & skf21("1","7","5","6","1","6","1","1") = "6"
    & skf21("1","7","5","6","1","6","2","1") = "6"
    & skf21("1","7","5","6","1","6","3","1") = "6"
    & skf21("1","7","5","6","1","6","4","1") = "6"
    & skf21("1","7","5","6","1","6","5","1") = "6"
    & skf21("1","7","5","6","1","6","6","1") = "6"
    & skf21("1","7","5","6","1","6","7","1") = "6"
    & skf21("1","7","5","6","1","7","1","1") = "6"
    & skf21("1","7","5","6","1","7","2","1") = "6"
    & skf21("1","7","5","6","1","7","3","1") = "6"
    & skf21("1","7","5","6","1","7","4","1") = "6"
    & skf21("1","7","5","6","1","7","5","1") = "6"
    & skf21("1","7","5","6","1","7","6","1") = "6"
    & skf21("1","7","5","6","1","7","7","1") = "6"
    & skf21("1","7","5","6","2","1","1","1") = "6"
    & skf21("1","7","5","6","2","1","2","1") = "6"
    & skf21("1","7","5","6","2","1","3","1") = "6"
    & skf21("1","7","5","6","2","1","4","1") = "6"
    & skf21("1","7","5","6","2","1","5","1") = "6"
    & skf21("1","7","5","6","2","1","6","1") = "6"
    & skf21("1","7","5","6","2","1","7","1") = "6"
    & skf21("1","7","5","6","2","2","1","1") = "6"
    & skf21("1","7","5","6","2","2","2","1") = "6"
    & skf21("1","7","5","6","2","2","3","1") = "6"
    & skf21("1","7","5","6","2","2","4","1") = "6"
    & skf21("1","7","5","6","2","2","5","1") = "6"
    & skf21("1","7","5","6","2","2","6","1") = "6"
    & skf21("1","7","5","6","2","2","7","1") = "6"
    & skf21("1","7","5","6","2","3","1","1") = "6"
    & skf21("1","7","5","6","2","3","2","1") = "6"
    & skf21("1","7","5","6","2","3","3","1") = "6"
    & skf21("1","7","5","6","2","3","4","1") = "6"
    & skf21("1","7","5","6","2","3","5","1") = "6"
    & skf21("1","7","5","6","2","3","6","1") = "6"
    & skf21("1","7","5","6","2","3","7","1") = "6"
    & skf21("1","7","5","6","2","4","1","1") = "6"
    & skf21("1","7","5","6","2","4","2","1") = "6"
    & skf21("1","7","5","6","2","4","3","1") = "6"
    & skf21("1","7","5","6","2","4","4","1") = "6"
    & skf21("1","7","5","6","2","4","5","1") = "6"
    & skf21("1","7","5","6","2","4","6","1") = "6"
    & skf21("1","7","5","6","2","4","7","1") = "6"
    & skf21("1","7","5","6","2","5","1","1") = "6"
    & skf21("1","7","5","6","2","5","2","1") = "6"
    & skf21("1","7","5","6","2","5","3","1") = "6"
    & skf21("1","7","5","6","2","5","4","1") = "6"
    & skf21("1","7","5","6","2","5","5","1") = "6"
    & skf21("1","7","5","6","2","5","6","1") = "6"
    & skf21("1","7","5","6","2","5","7","1") = "6"
    & skf21("1","7","5","6","2","6","1","1") = "6"
    & skf21("1","7","5","6","2","6","2","1") = "6"
    & skf21("1","7","5","6","2","6","3","1") = "6"
    & skf21("1","7","5","6","2","6","4","1") = "6"
    & skf21("1","7","5","6","2","6","5","1") = "6"
    & skf21("1","7","5","6","2","6","6","1") = "6"
    & skf21("1","7","5","6","2","6","7","1") = "6"
    & skf21("1","7","5","6","2","7","1","1") = "6"
    & skf21("1","7","5","6","2","7","2","1") = "6"
    & skf21("1","7","5","6","2","7","3","1") = "6"
    & skf21("1","7","5","6","2","7","4","1") = "6"
    & skf21("1","7","5","6","2","7","5","1") = "6"
    & skf21("1","7","5","6","2","7","6","1") = "6"
    & skf21("1","7","5","6","2","7","7","1") = "6"
    & skf21("1","7","5","6","3","1","1","1") = "6"
    & skf21("1","7","5","6","3","1","2","1") = "6"
    & skf21("1","7","5","6","3","1","3","1") = "6"
    & skf21("1","7","5","6","3","1","4","1") = "6"
    & skf21("1","7","5","6","3","1","5","1") = "6"
    & skf21("1","7","5","6","3","1","6","1") = "6"
    & skf21("1","7","5","6","3","1","7","1") = "6"
    & skf21("1","7","5","6","3","2","1","1") = "6"
    & skf21("1","7","5","6","3","2","2","1") = "6"
    & skf21("1","7","5","6","3","2","3","1") = "6"
    & skf21("1","7","5","6","3","2","4","1") = "6"
    & skf21("1","7","5","6","3","2","5","1") = "6"
    & skf21("1","7","5","6","3","2","6","1") = "6"
    & skf21("1","7","5","6","3","2","7","1") = "6"
    & skf21("1","7","5","6","3","3","1","1") = "6"
    & skf21("1","7","5","6","3","3","2","1") = "6"
    & skf21("1","7","5","6","3","3","3","1") = "6"
    & skf21("1","7","5","6","3","3","4","1") = "6"
    & skf21("1","7","5","6","3","3","5","1") = "6"
    & skf21("1","7","5","6","3","3","6","1") = "6"
    & skf21("1","7","5","6","3","3","7","1") = "6"
    & skf21("1","7","5","6","3","4","1","1") = "6"
    & skf21("1","7","5","6","3","4","2","1") = "6"
    & skf21("1","7","5","6","3","4","3","1") = "6"
    & skf21("1","7","5","6","3","4","4","1") = "6"
    & skf21("1","7","5","6","3","4","5","1") = "6"
    & skf21("1","7","5","6","3","4","6","1") = "6"
    & skf21("1","7","5","6","3","4","7","1") = "6"
    & skf21("1","7","5","6","3","5","1","1") = "6"
    & skf21("1","7","5","6","3","5","2","1") = "6"
    & skf21("1","7","5","6","3","5","3","1") = "6"
    & skf21("1","7","5","6","3","5","4","1") = "6"
    & skf21("1","7","5","6","3","5","5","1") = "6"
    & skf21("1","7","5","6","3","5","6","1") = "6"
    & skf21("1","7","5","6","3","5","7","1") = "6"
    & skf21("1","7","5","6","3","6","1","1") = "6"
    & skf21("1","7","5","6","3","6","2","1") = "6"
    & skf21("1","7","5","6","3","6","3","1") = "6"
    & skf21("1","7","5","6","3","6","4","1") = "6"
    & skf21("1","7","5","6","3","6","5","1") = "6"
    & skf21("1","7","5","6","3","6","6","1") = "6"
    & skf21("1","7","5","6","3","6","7","1") = "6"
    & skf21("1","7","5","6","3","7","1","1") = "6"
    & skf21("1","7","5","6","3","7","2","1") = "6"
    & skf21("1","7","5","6","3","7","3","1") = "6"
    & skf21("1","7","5","6","3","7","4","1") = "6"
    & skf21("1","7","5","6","3","7","5","1") = "6"
    & skf21("1","7","5","6","3","7","6","1") = "6"
    & skf21("1","7","5","6","3","7","7","1") = "6"
    & skf21("1","7","5","6","4","1","1","1") = "6"
    & skf21("1","7","5","6","4","1","2","1") = "6"
    & skf21("1","7","5","6","4","1","3","1") = "6"
    & skf21("1","7","5","6","4","1","4","1") = "6"
    & skf21("1","7","5","6","4","1","5","1") = "6"
    & skf21("1","7","5","6","4","1","6","1") = "6"
    & skf21("1","7","5","6","4","1","7","1") = "6"
    & skf21("1","7","5","6","4","2","1","1") = "6"
    & skf21("1","7","5","6","4","2","2","1") = "6"
    & skf21("1","7","5","6","4","2","3","1") = "6"
    & skf21("1","7","5","6","4","2","4","1") = "6"
    & skf21("1","7","5","6","4","2","5","1") = "6"
    & skf21("1","7","5","6","4","2","6","1") = "6"
    & skf21("1","7","5","6","4","2","7","1") = "6"
    & skf21("1","7","5","6","4","3","1","1") = "6"
    & skf21("1","7","5","6","4","3","2","1") = "6"
    & skf21("1","7","5","6","4","3","3","1") = "6"
    & skf21("1","7","5","6","4","3","4","1") = "6"
    & skf21("1","7","5","6","4","3","5","1") = "6"
    & skf21("1","7","5","6","4","3","6","1") = "6"
    & skf21("1","7","5","6","4","3","7","1") = "6"
    & skf21("1","7","5","6","4","4","1","1") = "6"
    & skf21("1","7","5","6","4","4","2","1") = "6"
    & skf21("1","7","5","6","4","4","3","1") = "6"
    & skf21("1","7","5","6","4","4","4","1") = "6"
    & skf21("1","7","5","6","4","4","5","1") = "6"
    & skf21("1","7","5","6","4","4","6","1") = "6"
    & skf21("1","7","5","6","4","4","7","1") = "6"
    & skf21("1","7","5","6","4","5","1","1") = "6"
    & skf21("1","7","5","6","4","5","2","1") = "6"
    & skf21("1","7","5","6","4","5","3","1") = "6"
    & skf21("1","7","5","6","4","5","4","1") = "6"
    & skf21("1","7","5","6","4","5","5","1") = "6"
    & skf21("1","7","5","6","4","5","6","1") = "6"
    & skf21("1","7","5","6","4","5","7","1") = "6"
    & skf21("1","7","5","6","4","6","1","1") = "6"
    & skf21("1","7","5","6","4","6","2","1") = "6"
    & skf21("1","7","5","6","4","6","3","1") = "6"
    & skf21("1","7","5","6","4","6","4","1") = "6"
    & skf21("1","7","5","6","4","6","5","1") = "6"
    & skf21("1","7","5","6","4","6","6","1") = "6"
    & skf21("1","7","5","6","4","6","7","1") = "6"
    & skf21("1","7","5","6","4","7","1","1") = "6"
    & skf21("1","7","5","6","4","7","2","1") = "6"
    & skf21("1","7","5","6","4","7","3","1") = "6"
    & skf21("1","7","5","6","4","7","4","1") = "6"
    & skf21("1","7","5","6","4","7","5","1") = "6"
    & skf21("1","7","5","6","4","7","6","1") = "6"
    & skf21("1","7","5","6","4","7","7","1") = "6"
    & skf21("1","7","5","6","5","1","1","1") = "6"
    & skf21("1","7","5","6","5","1","2","1") = "6"
    & skf21("1","7","5","6","5","1","3","1") = "6"
    & skf21("1","7","5","6","5","1","4","1") = "6"
    & skf21("1","7","5","6","5","1","5","1") = "6"
    & skf21("1","7","5","6","5","1","6","1") = "6"
    & skf21("1","7","5","6","5","1","7","1") = "6"
    & skf21("1","7","5","6","5","2","1","1") = "6"
    & skf21("1","7","5","6","5","2","2","1") = "6"
    & skf21("1","7","5","6","5","2","3","1") = "6"
    & skf21("1","7","5","6","5","2","4","1") = "6"
    & skf21("1","7","5","6","5","2","5","1") = "6"
    & skf21("1","7","5","6","5","2","6","1") = "6"
    & skf21("1","7","5","6","5","2","7","1") = "6"
    & skf21("1","7","5","6","5","3","1","1") = "6"
    & skf21("1","7","5","6","5","3","2","1") = "6"
    & skf21("1","7","5","6","5","3","3","1") = "6"
    & skf21("1","7","5","6","5","3","4","1") = "6"
    & skf21("1","7","5","6","5","3","5","1") = "6"
    & skf21("1","7","5","6","5","3","6","1") = "6"
    & skf21("1","7","5","6","5","3","7","1") = "6"
    & skf21("1","7","5","6","5","4","1","1") = "6"
    & skf21("1","7","5","6","5","4","2","1") = "6"
    & skf21("1","7","5","6","5","4","3","1") = "6"
    & skf21("1","7","5","6","5","4","4","1") = "6"
    & skf21("1","7","5","6","5","4","5","1") = "6"
    & skf21("1","7","5","6","5","4","6","1") = "6"
    & skf21("1","7","5","6","5","4","7","1") = "6"
    & skf21("1","7","5","6","5","5","1","1") = "6"
    & skf21("1","7","5","6","5","5","2","1") = "6"
    & skf21("1","7","5","6","5","5","3","1") = "6"
    & skf21("1","7","5","6","5","5","4","1") = "6"
    & skf21("1","7","5","6","5","5","5","1") = "6"
    & skf21("1","7","5","6","5","5","6","1") = "6"
    & skf21("1","7","5","6","5","5","7","1") = "6"
    & skf21("1","7","5","6","5","6","1","1") = "6"
    & skf21("1","7","5","6","5","6","2","1") = "6"
    & skf21("1","7","5","6","5","6","3","1") = "6"
    & skf21("1","7","5","6","5","6","4","1") = "6"
    & skf21("1","7","5","6","5","6","5","1") = "6"
    & skf21("1","7","5","6","5","6","6","1") = "6"
    & skf21("1","7","5","6","5","6","7","1") = "6"
    & skf21("1","7","5","6","5","7","1","1") = "6"
    & skf21("1","7","5","6","5","7","2","1") = "6"
    & skf21("1","7","5","6","5","7","3","1") = "6"
    & skf21("1","7","5","6","5","7","4","1") = "6"
    & skf21("1","7","5","6","5","7","5","1") = "6"
    & skf21("1","7","5","6","5","7","6","1") = "6"
    & skf21("1","7","5","6","5","7","7","1") = "6"
    & skf21("1","7","5","6","6","1","1","1") = "6"
    & skf21("1","7","5","6","6","1","2","1") = "6"
    & skf21("1","7","5","6","6","1","3","1") = "6"
    & skf21("1","7","5","6","6","1","4","1") = "6"
    & skf21("1","7","5","6","6","1","5","1") = "6"
    & skf21("1","7","5","6","6","1","6","1") = "6"
    & skf21("1","7","5","6","6","1","7","1") = "6"
    & skf21("1","7","5","6","6","2","1","1") = "6"
    & skf21("1","7","5","6","6","2","2","1") = "6"
    & skf21("1","7","5","6","6","2","3","1") = "6"
    & skf21("1","7","5","6","6","2","4","1") = "6"
    & skf21("1","7","5","6","6","2","5","1") = "6"
    & skf21("1","7","5","6","6","2","6","1") = "6"
    & skf21("1","7","5","6","6","2","7","1") = "6"
    & skf21("1","7","5","6","6","3","1","1") = "6"
    & skf21("1","7","5","6","6","3","2","1") = "6"
    & skf21("1","7","5","6","6","3","3","1") = "6"
    & skf21("1","7","5","6","6","3","4","1") = "6"
    & skf21("1","7","5","6","6","3","5","1") = "6"
    & skf21("1","7","5","6","6","3","6","1") = "6"
    & skf21("1","7","5","6","6","3","7","1") = "6"
    & skf21("1","7","5","6","6","4","1","1") = "6"
    & skf21("1","7","5","6","6","4","2","1") = "6"
    & skf21("1","7","5","6","6","4","3","1") = "6"
    & skf21("1","7","5","6","6","4","4","1") = "6"
    & skf21("1","7","5","6","6","4","5","1") = "6"
    & skf21("1","7","5","6","6","4","6","1") = "6"
    & skf21("1","7","5","6","6","4","7","1") = "6"
    & skf21("1","7","5","6","6","5","1","1") = "6"
    & skf21("1","7","5","6","6","5","2","1") = "6"
    & skf21("1","7","5","6","6","5","3","1") = "6"
    & skf21("1","7","5","6","6","5","4","1") = "6"
    & skf21("1","7","5","6","6","5","5","1") = "6"
    & skf21("1","7","5","6","6","5","6","1") = "6"
    & skf21("1","7","5","6","6","5","7","1") = "6"
    & skf21("1","7","5","6","6","6","1","1") = "6"
    & skf21("1","7","5","6","6","6","2","1") = "6"
    & skf21("1","7","5","6","6","6","3","1") = "6"
    & skf21("1","7","5","6","6","6","4","1") = "6"
    & skf21("1","7","5","6","6","6","5","1") = "6"
    & skf21("1","7","5","6","6","6","6","1") = "6"
    & skf21("1","7","5","6","6","6","7","1") = "6"
    & skf21("1","7","5","6","6","7","1","1") = "6"
    & skf21("1","7","5","6","6","7","2","1") = "6"
    & skf21("1","7","5","6","6","7","3","1") = "6"
    & skf21("1","7","5","6","6","7","4","1") = "6"
    & skf21("1","7","5","6","6","7","5","1") = "6"
    & skf21("1","7","5","6","6","7","6","1") = "6"
    & skf21("1","7","5","6","6","7","7","1") = "6"
    & skf21("1","7","5","6","7","1","1","1") = "6"
    & skf21("1","7","5","6","7","1","2","1") = "6"
    & skf21("1","7","5","6","7","1","3","1") = "6"
    & skf21("1","7","5","6","7","1","4","1") = "6"
    & skf21("1","7","5","6","7","1","5","1") = "6"
    & skf21("1","7","5","6","7","1","6","1") = "6"
    & skf21("1","7","5","6","7","1","7","1") = "6"
    & skf21("1","7","5","6","7","2","1","1") = "6"
    & skf21("1","7","5","6","7","2","2","1") = "6"
    & skf21("1","7","5","6","7","2","3","1") = "6"
    & skf21("1","7","5","6","7","2","4","1") = "6"
    & skf21("1","7","5","6","7","2","5","1") = "6"
    & skf21("1","7","5","6","7","2","6","1") = "6"
    & skf21("1","7","5","6","7","2","7","1") = "6"
    & skf21("1","7","5","6","7","3","1","1") = "6"
    & skf21("1","7","5","6","7","3","2","1") = "6"
    & skf21("1","7","5","6","7","3","3","1") = "6"
    & skf21("1","7","5","6","7","3","4","1") = "6"
    & skf21("1","7","5","6","7","3","5","1") = "6"
    & skf21("1","7","5","6","7","3","6","1") = "6"
    & skf21("1","7","5","6","7","3","7","1") = "6"
    & skf21("1","7","5","6","7","4","1","1") = "6"
    & skf21("1","7","5","6","7","4","2","1") = "6"
    & skf21("1","7","5","6","7","4","3","1") = "6"
    & skf21("1","7","5","6","7","4","4","1") = "6"
    & skf21("1","7","5","6","7","4","5","1") = "6"
    & skf21("1","7","5","6","7","4","6","1") = "6"
    & skf21("1","7","5","6","7","4","7","1") = "6"
    & skf21("1","7","5","6","7","5","1","1") = "6"
    & skf21("1","7","5","6","7","5","2","1") = "6"
    & skf21("1","7","5","6","7","5","3","1") = "6"
    & skf21("1","7","5","6","7","5","4","1") = "6"
    & skf21("1","7","5","6","7","5","5","1") = "6"
    & skf21("1","7","5","6","7","5","6","1") = "6"
    & skf21("1","7","5","6","7","5","7","1") = "6"
    & skf21("1","7","5","6","7","6","1","1") = "6"
    & skf21("1","7","5","6","7","6","2","1") = "6"
    & skf21("1","7","5","6","7","6","3","1") = "6"
    & skf21("1","7","5","6","7","6","4","1") = "6"
    & skf21("1","7","5","6","7","6","5","1") = "6"
    & skf21("1","7","5","6","7","6","6","1") = "6"
    & skf21("1","7","5","6","7","6","7","1") = "6"
    & skf21("1","7","5","6","7","7","1","1") = "6"
    & skf21("1","7","5","6","7","7","2","1") = "6"
    & skf21("1","7","5","6","7","7","3","1") = "6"
    & skf21("1","7","5","6","7","7","4","1") = "6"
    & skf21("1","7","5","6","7","7","5","1") = "6"
    & skf21("1","7","5","6","7","7","6","1") = "6"
    & skf21("1","7","5","6","7","7","7","1") = "6"
    & skf21("1","7","5","7","1","1","1","1") = "6"
    & skf21("1","7","5","7","1","1","2","1") = "6"
    & skf21("1","7","5","7","1","1","3","1") = "6"
    & skf21("1","7","5","7","1","1","4","1") = "6"
    & skf21("1","7","5","7","1","1","5","1") = "6"
    & skf21("1","7","5","7","1","1","6","1") = "6"
    & skf21("1","7","5","7","1","1","7","1") = "6"
    & skf21("1","7","5","7","1","2","1","1") = "6"
    & skf21("1","7","5","7","1","2","2","1") = "6"
    & skf21("1","7","5","7","1","2","3","1") = "6"
    & skf21("1","7","5","7","1","2","4","1") = "6"
    & skf21("1","7","5","7","1","2","5","1") = "6"
    & skf21("1","7","5","7","1","2","6","1") = "6"
    & skf21("1","7","5","7","1","2","7","1") = "6"
    & skf21("1","7","5","7","1","3","1","1") = "6"
    & skf21("1","7","5","7","1","3","2","1") = "6"
    & skf21("1","7","5","7","1","3","3","1") = "6"
    & skf21("1","7","5","7","1","3","4","1") = "6"
    & skf21("1","7","5","7","1","3","5","1") = "6"
    & skf21("1","7","5","7","1","3","6","1") = "6"
    & skf21("1","7","5","7","1","3","7","1") = "6"
    & skf21("1","7","5","7","1","4","1","1") = "6"
    & skf21("1","7","5","7","1","4","2","1") = "6"
    & skf21("1","7","5","7","1","4","3","1") = "6"
    & skf21("1","7","5","7","1","4","4","1") = "6"
    & skf21("1","7","5","7","1","4","5","1") = "6"
    & skf21("1","7","5","7","1","4","6","1") = "6"
    & skf21("1","7","5","7","1","4","7","1") = "6"
    & skf21("1","7","5","7","1","5","1","1") = "6"
    & skf21("1","7","5","7","1","5","2","1") = "6"
    & skf21("1","7","5","7","1","5","3","1") = "6"
    & skf21("1","7","5","7","1","5","4","1") = "6"
    & skf21("1","7","5","7","1","5","5","1") = "6"
    & skf21("1","7","5","7","1","5","6","1") = "6"
    & skf21("1","7","5","7","1","5","7","1") = "6"
    & skf21("1","7","5","7","1","6","1","1") = "6"
    & skf21("1","7","5","7","1","6","2","1") = "6"
    & skf21("1","7","5","7","1","6","3","1") = "6"
    & skf21("1","7","5","7","1","6","4","1") = "6"
    & skf21("1","7","5","7","1","6","5","1") = "6"
    & skf21("1","7","5","7","1","6","6","1") = "6"
    & skf21("1","7","5","7","1","6","7","1") = "6"
    & skf21("1","7","5","7","1","7","1","1") = "6"
    & skf21("1","7","5","7","1","7","2","1") = "6"
    & skf21("1","7","5","7","1","7","3","1") = "6"
    & skf21("1","7","5","7","1","7","4","1") = "6"
    & skf21("1","7","5","7","1","7","5","1") = "6"
    & skf21("1","7","5","7","1","7","6","1") = "6"
    & skf21("1","7","5","7","1","7","7","1") = "6"
    & skf21("1","7","5","7","2","1","1","1") = "6"
    & skf21("1","7","5","7","2","1","2","1") = "6"
    & skf21("1","7","5","7","2","1","3","1") = "6"
    & skf21("1","7","5","7","2","1","4","1") = "6"
    & skf21("1","7","5","7","2","1","5","1") = "6"
    & skf21("1","7","5","7","2","1","6","1") = "6"
    & skf21("1","7","5","7","2","1","7","1") = "6"
    & skf21("1","7","5","7","2","2","1","1") = "6"
    & skf21("1","7","5","7","2","2","2","1") = "6"
    & skf21("1","7","5","7","2","2","3","1") = "6"
    & skf21("1","7","5","7","2","2","4","1") = "6"
    & skf21("1","7","5","7","2","2","5","1") = "6"
    & skf21("1","7","5","7","2","2","6","1") = "6"
    & skf21("1","7","5","7","2","2","7","1") = "6"
    & skf21("1","7","5","7","2","3","1","1") = "6"
    & skf21("1","7","5","7","2","3","2","1") = "6"
    & skf21("1","7","5","7","2","3","3","1") = "6"
    & skf21("1","7","5","7","2","3","4","1") = "6"
    & skf21("1","7","5","7","2","3","5","1") = "6"
    & skf21("1","7","5","7","2","3","6","1") = "6"
    & skf21("1","7","5","7","2","3","7","1") = "6"
    & skf21("1","7","5","7","2","4","1","1") = "6"
    & skf21("1","7","5","7","2","4","2","1") = "6"
    & skf21("1","7","5","7","2","4","3","1") = "6"
    & skf21("1","7","5","7","2","4","4","1") = "6"
    & skf21("1","7","5","7","2","4","5","1") = "6"
    & skf21("1","7","5","7","2","4","6","1") = "6"
    & skf21("1","7","5","7","2","4","7","1") = "6"
    & skf21("1","7","5","7","2","5","1","1") = "6"
    & skf21("1","7","5","7","2","5","2","1") = "6"
    & skf21("1","7","5","7","2","5","3","1") = "6"
    & skf21("1","7","5","7","2","5","4","1") = "6"
    & skf21("1","7","5","7","2","5","5","1") = "6"
    & skf21("1","7","5","7","2","5","6","1") = "6"
    & skf21("1","7","5","7","2","5","7","1") = "6"
    & skf21("1","7","5","7","2","6","1","1") = "6"
    & skf21("1","7","5","7","2","6","2","1") = "6"
    & skf21("1","7","5","7","2","6","3","1") = "6"
    & skf21("1","7","5","7","2","6","4","1") = "6"
    & skf21("1","7","5","7","2","6","5","1") = "6"
    & skf21("1","7","5","7","2","6","6","1") = "6"
    & skf21("1","7","5","7","2","6","7","1") = "6"
    & skf21("1","7","5","7","2","7","1","1") = "6"
    & skf21("1","7","5","7","2","7","2","1") = "6"
    & skf21("1","7","5","7","2","7","3","1") = "6"
    & skf21("1","7","5","7","2","7","4","1") = "6"
    & skf21("1","7","5","7","2","7","5","1") = "6"
    & skf21("1","7","5","7","2","7","6","1") = "6"
    & skf21("1","7","5","7","2","7","7","1") = "6"
    & skf21("1","7","5","7","3","1","1","1") = "6"
    & skf21("1","7","5","7","3","1","2","1") = "6"
    & skf21("1","7","5","7","3","1","3","1") = "6"
    & skf21("1","7","5","7","3","1","4","1") = "6"
    & skf21("1","7","5","7","3","1","5","1") = "6"
    & skf21("1","7","5","7","3","1","6","1") = "6"
    & skf21("1","7","5","7","3","1","7","1") = "6"
    & skf21("1","7","5","7","3","2","1","1") = "6"
    & skf21("1","7","5","7","3","2","2","1") = "6"
    & skf21("1","7","5","7","3","2","3","1") = "6"
    & skf21("1","7","5","7","3","2","4","1") = "6"
    & skf21("1","7","5","7","3","2","5","1") = "6"
    & skf21("1","7","5","7","3","2","6","1") = "6"
    & skf21("1","7","5","7","3","2","7","1") = "6"
    & skf21("1","7","5","7","3","3","1","1") = "6"
    & skf21("1","7","5","7","3","3","2","1") = "6"
    & skf21("1","7","5","7","3","3","3","1") = "6"
    & skf21("1","7","5","7","3","3","4","1") = "6"
    & skf21("1","7","5","7","3","3","5","1") = "6"
    & skf21("1","7","5","7","3","3","6","1") = "6"
    & skf21("1","7","5","7","3","3","7","1") = "6"
    & skf21("1","7","5","7","3","4","1","1") = "6"
    & skf21("1","7","5","7","3","4","2","1") = "6"
    & skf21("1","7","5","7","3","4","3","1") = "6"
    & skf21("1","7","5","7","3","4","4","1") = "6"
    & skf21("1","7","5","7","3","4","5","1") = "6"
    & skf21("1","7","5","7","3","4","6","1") = "6"
    & skf21("1","7","5","7","3","4","7","1") = "6"
    & skf21("1","7","5","7","3","5","1","1") = "6"
    & skf21("1","7","5","7","3","5","2","1") = "6"
    & skf21("1","7","5","7","3","5","3","1") = "6"
    & skf21("1","7","5","7","3","5","4","1") = "6"
    & skf21("1","7","5","7","3","5","5","1") = "6"
    & skf21("1","7","5","7","3","5","6","1") = "6"
    & skf21("1","7","5","7","3","5","7","1") = "6"
    & skf21("1","7","5","7","3","6","1","1") = "6"
    & skf21("1","7","5","7","3","6","2","1") = "6"
    & skf21("1","7","5","7","3","6","3","1") = "6"
    & skf21("1","7","5","7","3","6","4","1") = "6"
    & skf21("1","7","5","7","3","6","5","1") = "6"
    & skf21("1","7","5","7","3","6","6","1") = "6"
    & skf21("1","7","5","7","3","6","7","1") = "6"
    & skf21("1","7","5","7","3","7","1","1") = "6"
    & skf21("1","7","5","7","3","7","2","1") = "6"
    & skf21("1","7","5","7","3","7","3","1") = "6"
    & skf21("1","7","5","7","3","7","4","1") = "6"
    & skf21("1","7","5","7","3","7","5","1") = "6"
    & skf21("1","7","5","7","3","7","6","1") = "6"
    & skf21("1","7","5","7","3","7","7","1") = "6"
    & skf21("1","7","5","7","4","1","1","1") = "6"
    & skf21("1","7","5","7","4","1","2","1") = "6"
    & skf21("1","7","5","7","4","1","3","1") = "6"
    & skf21("1","7","5","7","4","1","4","1") = "6"
    & skf21("1","7","5","7","4","1","5","1") = "6"
    & skf21("1","7","5","7","4","1","6","1") = "6"
    & skf21("1","7","5","7","4","1","7","1") = "6"
    & skf21("1","7","5","7","4","2","1","1") = "6"
    & skf21("1","7","5","7","4","2","2","1") = "6"
    & skf21("1","7","5","7","4","2","3","1") = "6"
    & skf21("1","7","5","7","4","2","4","1") = "6"
    & skf21("1","7","5","7","4","2","5","1") = "6"
    & skf21("1","7","5","7","4","2","6","1") = "6"
    & skf21("1","7","5","7","4","2","7","1") = "6"
    & skf21("1","7","5","7","4","3","1","1") = "6"
    & skf21("1","7","5","7","4","3","2","1") = "6"
    & skf21("1","7","5","7","4","3","3","1") = "6"
    & skf21("1","7","5","7","4","3","4","1") = "6"
    & skf21("1","7","5","7","4","3","5","1") = "6"
    & skf21("1","7","5","7","4","3","6","1") = "6"
    & skf21("1","7","5","7","4","3","7","1") = "6"
    & skf21("1","7","5","7","4","4","1","1") = "6"
    & skf21("1","7","5","7","4","4","2","1") = "6"
    & skf21("1","7","5","7","4","4","3","1") = "6"
    & skf21("1","7","5","7","4","4","4","1") = "6"
    & skf21("1","7","5","7","4","4","5","1") = "6"
    & skf21("1","7","5","7","4","4","6","1") = "6"
    & skf21("1","7","5","7","4","4","7","1") = "6"
    & skf21("1","7","5","7","4","5","1","1") = "6"
    & skf21("1","7","5","7","4","5","2","1") = "6"
    & skf21("1","7","5","7","4","5","3","1") = "6"
    & skf21("1","7","5","7","4","5","4","1") = "6"
    & skf21("1","7","5","7","4","5","5","1") = "6"
    & skf21("1","7","5","7","4","5","6","1") = "6"
    & skf21("1","7","5","7","4","5","7","1") = "6"
    & skf21("1","7","5","7","4","6","1","1") = "6"
    & skf21("1","7","5","7","4","6","2","1") = "6"
    & skf21("1","7","5","7","4","6","3","1") = "6"
    & skf21("1","7","5","7","4","6","4","1") = "6"
    & skf21("1","7","5","7","4","6","5","1") = "6"
    & skf21("1","7","5","7","4","6","6","1") = "6"
    & skf21("1","7","5","7","4","6","7","1") = "6"
    & skf21("1","7","5","7","4","7","1","1") = "6"
    & skf21("1","7","5","7","4","7","2","1") = "6"
    & skf21("1","7","5","7","4","7","3","1") = "6"
    & skf21("1","7","5","7","4","7","4","1") = "6"
    & skf21("1","7","5","7","4","7","5","1") = "6"
    & skf21("1","7","5","7","4","7","6","1") = "6"
    & skf21("1","7","5","7","4","7","7","1") = "6"
    & skf21("1","7","5","7","5","1","1","1") = "6"
    & skf21("1","7","5","7","5","1","2","1") = "6"
    & skf21("1","7","5","7","5","1","3","1") = "6"
    & skf21("1","7","5","7","5","1","4","1") = "6"
    & skf21("1","7","5","7","5","1","5","1") = "6"
    & skf21("1","7","5","7","5","1","6","1") = "6"
    & skf21("1","7","5","7","5","1","7","1") = "6"
    & skf21("1","7","5","7","5","2","1","1") = "6"
    & skf21("1","7","5","7","5","2","2","1") = "6"
    & skf21("1","7","5","7","5","2","3","1") = "6"
    & skf21("1","7","5","7","5","2","4","1") = "6"
    & skf21("1","7","5","7","5","2","5","1") = "6"
    & skf21("1","7","5","7","5","2","6","1") = "6"
    & skf21("1","7","5","7","5","2","7","1") = "6"
    & skf21("1","7","5","7","5","3","1","1") = "6"
    & skf21("1","7","5","7","5","3","2","1") = "6"
    & skf21("1","7","5","7","5","3","3","1") = "6"
    & skf21("1","7","5","7","5","3","4","1") = "6"
    & skf21("1","7","5","7","5","3","5","1") = "6"
    & skf21("1","7","5","7","5","3","6","1") = "6"
    & skf21("1","7","5","7","5","3","7","1") = "6"
    & skf21("1","7","5","7","5","4","1","1") = "6"
    & skf21("1","7","5","7","5","4","2","1") = "6"
    & skf21("1","7","5","7","5","4","3","1") = "6"
    & skf21("1","7","5","7","5","4","4","1") = "6"
    & skf21("1","7","5","7","5","4","5","1") = "6"
    & skf21("1","7","5","7","5","4","6","1") = "6"
    & skf21("1","7","5","7","5","4","7","1") = "6"
    & skf21("1","7","5","7","5","5","1","1") = "6"
    & skf21("1","7","5","7","5","5","2","1") = "6"
    & skf21("1","7","5","7","5","5","3","1") = "6"
    & skf21("1","7","5","7","5","5","4","1") = "6"
    & skf21("1","7","5","7","5","5","5","1") = "6"
    & skf21("1","7","5","7","5","5","6","1") = "6"
    & skf21("1","7","5","7","5","5","7","1") = "6"
    & skf21("1","7","5","7","5","6","1","1") = "6"
    & skf21("1","7","5","7","5","6","2","1") = "6"
    & skf21("1","7","5","7","5","6","3","1") = "6"
    & skf21("1","7","5","7","5","6","4","1") = "6"
    & skf21("1","7","5","7","5","6","5","1") = "6"
    & skf21("1","7","5","7","5","6","6","1") = "6"
    & skf21("1","7","5","7","5","6","7","1") = "6"
    & skf21("1","7","5","7","5","7","1","1") = "6"
    & skf21("1","7","5","7","5","7","2","1") = "6"
    & skf21("1","7","5","7","5","7","3","1") = "6"
    & skf21("1","7","5","7","5","7","4","1") = "6"
    & skf21("1","7","5","7","5","7","5","1") = "6"
    & skf21("1","7","5","7","5","7","6","1") = "6"
    & skf21("1","7","5","7","5","7","7","1") = "6"
    & skf21("1","7","5","7","6","1","1","1") = "6"
    & skf21("1","7","5","7","6","1","2","1") = "6"
    & skf21("1","7","5","7","6","1","3","1") = "6"
    & skf21("1","7","5","7","6","1","4","1") = "6"
    & skf21("1","7","5","7","6","1","5","1") = "6"
    & skf21("1","7","5","7","6","1","6","1") = "6"
    & skf21("1","7","5","7","6","1","7","1") = "6"
    & skf21("1","7","5","7","6","2","1","1") = "6"
    & skf21("1","7","5","7","6","2","2","1") = "6"
    & skf21("1","7","5","7","6","2","3","1") = "6"
    & skf21("1","7","5","7","6","2","4","1") = "6"
    & skf21("1","7","5","7","6","2","5","1") = "6"
    & skf21("1","7","5","7","6","2","6","1") = "6"
    & skf21("1","7","5","7","6","2","7","1") = "6"
    & skf21("1","7","5","7","6","3","1","1") = "6"
    & skf21("1","7","5","7","6","3","2","1") = "6"
    & skf21("1","7","5","7","6","3","3","1") = "6"
    & skf21("1","7","5","7","6","3","4","1") = "6"
    & skf21("1","7","5","7","6","3","5","1") = "6"
    & skf21("1","7","5","7","6","3","6","1") = "6"
    & skf21("1","7","5","7","6","3","7","1") = "6"
    & skf21("1","7","5","7","6","4","1","1") = "6"
    & skf21("1","7","5","7","6","4","2","1") = "6"
    & skf21("1","7","5","7","6","4","3","1") = "6"
    & skf21("1","7","5","7","6","4","4","1") = "6"
    & skf21("1","7","5","7","6","4","5","1") = "6"
    & skf21("1","7","5","7","6","4","6","1") = "6"
    & skf21("1","7","5","7","6","4","7","1") = "6"
    & skf21("1","7","5","7","6","5","1","1") = "6"
    & skf21("1","7","5","7","6","5","2","1") = "6"
    & skf21("1","7","5","7","6","5","3","1") = "6"
    & skf21("1","7","5","7","6","5","4","1") = "6"
    & skf21("1","7","5","7","6","5","5","1") = "6"
    & skf21("1","7","5","7","6","5","6","1") = "6"
    & skf21("1","7","5","7","6","5","7","1") = "6"
    & skf21("1","7","5","7","6","6","1","1") = "6"
    & skf21("1","7","5","7","6","6","2","1") = "6"
    & skf21("1","7","5","7","6","6","3","1") = "6"
    & skf21("1","7","5","7","6","6","4","1") = "6"
    & skf21("1","7","5","7","6","6","5","1") = "6"
    & skf21("1","7","5","7","6","6","6","1") = "6"
    & skf21("1","7","5","7","6","6","7","1") = "6"
    & skf21("1","7","5","7","6","7","1","1") = "6"
    & skf21("1","7","5","7","6","7","2","1") = "6"
    & skf21("1","7","5","7","6","7","3","1") = "6"
    & skf21("1","7","5","7","6","7","4","1") = "6"
    & skf21("1","7","5","7","6","7","5","1") = "6"
    & skf21("1","7","5","7","6","7","6","1") = "6"
    & skf21("1","7","5","7","6","7","7","1") = "6"
    & skf21("1","7","5","7","7","1","1","1") = "6"
    & skf21("1","7","5","7","7","1","2","1") = "6"
    & skf21("1","7","5","7","7","1","3","1") = "6"
    & skf21("1","7","5","7","7","1","4","1") = "6"
    & skf21("1","7","5","7","7","1","5","1") = "6"
    & skf21("1","7","5","7","7","1","6","1") = "6"
    & skf21("1","7","5","7","7","1","7","1") = "6"
    & skf21("1","7","5","7","7","2","1","1") = "6"
    & skf21("1","7","5","7","7","2","2","1") = "6"
    & skf21("1","7","5","7","7","2","3","1") = "6"
    & skf21("1","7","5","7","7","2","4","1") = "6"
    & skf21("1","7","5","7","7","2","5","1") = "6"
    & skf21("1","7","5","7","7","2","6","1") = "6"
    & skf21("1","7","5","7","7","2","7","1") = "6"
    & skf21("1","7","5","7","7","3","1","1") = "6"
    & skf21("1","7","5","7","7","3","2","1") = "6"
    & skf21("1","7","5","7","7","3","3","1") = "6"
    & skf21("1","7","5","7","7","3","4","1") = "6"
    & skf21("1","7","5","7","7","3","5","1") = "6"
    & skf21("1","7","5","7","7","3","6","1") = "6"
    & skf21("1","7","5","7","7","3","7","1") = "6"
    & skf21("1","7","5","7","7","4","1","1") = "6"
    & skf21("1","7","5","7","7","4","2","1") = "6"
    & skf21("1","7","5","7","7","4","3","1") = "6"
    & skf21("1","7","5","7","7","4","4","1") = "6"
    & skf21("1","7","5","7","7","4","5","1") = "6"
    & skf21("1","7","5","7","7","4","6","1") = "6"
    & skf21("1","7","5","7","7","4","7","1") = "6"
    & skf21("1","7","5","7","7","5","1","1") = "6"
    & skf21("1","7","5","7","7","5","2","1") = "6"
    & skf21("1","7","5","7","7","5","3","1") = "6"
    & skf21("1","7","5","7","7","5","4","1") = "6"
    & skf21("1","7","5","7","7","5","5","1") = "6"
    & skf21("1","7","5","7","7","5","6","1") = "6"
    & skf21("1","7","5","7","7","5","7","1") = "6"
    & skf21("1","7","5","7","7","6","1","1") = "6"
    & skf21("1","7","5","7","7","6","2","1") = "6"
    & skf21("1","7","5","7","7","6","3","1") = "6"
    & skf21("1","7","5","7","7","6","4","1") = "6"
    & skf21("1","7","5","7","7","6","5","1") = "6"
    & skf21("1","7","5","7","7","6","6","1") = "6"
    & skf21("1","7","5","7","7","6","7","1") = "6"
    & skf21("1","7","5","7","7","7","1","1") = "6"
    & skf21("1","7","5","7","7","7","2","1") = "6"
    & skf21("1","7","5","7","7","7","3","1") = "6"
    & skf21("1","7","5","7","7","7","4","1") = "6"
    & skf21("1","7","5","7","7","7","5","1") = "6"
    & skf21("1","7","5","7","7","7","6","1") = "6"
    & skf21("1","7","5","7","7","7","7","1") = "6"
    & skf21("1","7","6","1","1","1","1","1") = "6"
    & skf21("1","7","6","1","1","1","2","1") = "6"
    & skf21("1","7","6","1","1","1","3","1") = "6"
    & skf21("1","7","6","1","1","1","4","1") = "6"
    & skf21("1","7","6","1","1","1","5","1") = "6"
    & skf21("1","7","6","1","1","1","6","1") = "6"
    & skf21("1","7","6","1","1","1","7","1") = "6"
    & skf21("1","7","6","1","1","2","1","1") = "6"
    & skf21("1","7","6","1","1","2","2","1") = "6"
    & skf21("1","7","6","1","1","2","3","1") = "6"
    & skf21("1","7","6","1","1","2","4","1") = "6"
    & skf21("1","7","6","1","1","2","5","1") = "6"
    & skf21("1","7","6","1","1","2","6","1") = "6"
    & skf21("1","7","6","1","1","2","7","1") = "6"
    & skf21("1","7","6","1","1","3","1","1") = "6"
    & skf21("1","7","6","1","1","3","2","1") = "6"
    & skf21("1","7","6","1","1","3","3","1") = "6"
    & skf21("1","7","6","1","1","3","4","1") = "6"
    & skf21("1","7","6","1","1","3","5","1") = "6"
    & skf21("1","7","6","1","1","3","6","1") = "6"
    & skf21("1","7","6","1","1","3","7","1") = "6"
    & skf21("1","7","6","1","1","4","1","1") = "6"
    & skf21("1","7","6","1","1","4","2","1") = "6"
    & skf21("1","7","6","1","1","4","3","1") = "6"
    & skf21("1","7","6","1","1","4","4","1") = "6"
    & skf21("1","7","6","1","1","4","5","1") = "6"
    & skf21("1","7","6","1","1","4","6","1") = "6"
    & skf21("1","7","6","1","1","4","7","1") = "6"
    & skf21("1","7","6","1","1","5","1","1") = "6"
    & skf21("1","7","6","1","1","5","2","1") = "6"
    & skf21("1","7","6","1","1","5","3","1") = "6"
    & skf21("1","7","6","1","1","5","4","1") = "6"
    & skf21("1","7","6","1","1","5","5","1") = "6"
    & skf21("1","7","6","1","1","5","6","1") = "6"
    & skf21("1","7","6","1","1","5","7","1") = "6"
    & skf21("1","7","6","1","1","6","1","1") = "6"
    & skf21("1","7","6","1","1","6","2","1") = "6"
    & skf21("1","7","6","1","1","6","3","1") = "6"
    & skf21("1","7","6","1","1","6","4","1") = "6"
    & skf21("1","7","6","1","1","6","5","1") = "6"
    & skf21("1","7","6","1","1","6","6","1") = "6"
    & skf21("1","7","6","1","1","6","7","1") = "6"
    & skf21("1","7","6","1","1","7","1","1") = "6"
    & skf21("1","7","6","1","1","7","2","1") = "6"
    & skf21("1","7","6","1","1","7","3","1") = "6"
    & skf21("1","7","6","1","1","7","4","1") = "6"
    & skf21("1","7","6","1","1","7","5","1") = "6"
    & skf21("1","7","6","1","1","7","6","1") = "6"
    & skf21("1","7","6","1","1","7","7","1") = "6"
    & skf21("1","7","6","1","2","1","1","1") = "6"
    & skf21("1","7","6","1","2","1","2","1") = "6"
    & skf21("1","7","6","1","2","1","3","1") = "6"
    & skf21("1","7","6","1","2","1","4","1") = "6"
    & skf21("1","7","6","1","2","1","5","1") = "6"
    & skf21("1","7","6","1","2","1","6","1") = "6"
    & skf21("1","7","6","1","2","1","7","1") = "6"
    & skf21("1","7","6","1","2","2","1","1") = "6"
    & skf21("1","7","6","1","2","2","2","1") = "6"
    & skf21("1","7","6","1","2","2","3","1") = "6"
    & skf21("1","7","6","1","2","2","4","1") = "6"
    & skf21("1","7","6","1","2","2","5","1") = "6"
    & skf21("1","7","6","1","2","2","6","1") = "6"
    & skf21("1","7","6","1","2","2","7","1") = "6"
    & skf21("1","7","6","1","2","3","1","1") = "6"
    & skf21("1","7","6","1","2","3","2","1") = "6"
    & skf21("1","7","6","1","2","3","3","1") = "6"
    & skf21("1","7","6","1","2","3","4","1") = "6"
    & skf21("1","7","6","1","2","3","5","1") = "6"
    & skf21("1","7","6","1","2","3","6","1") = "6"
    & skf21("1","7","6","1","2","3","7","1") = "6"
    & skf21("1","7","6","1","2","4","1","1") = "6"
    & skf21("1","7","6","1","2","4","2","1") = "6"
    & skf21("1","7","6","1","2","4","3","1") = "6"
    & skf21("1","7","6","1","2","4","4","1") = "6"
    & skf21("1","7","6","1","2","4","5","1") = "6"
    & skf21("1","7","6","1","2","4","6","1") = "6"
    & skf21("1","7","6","1","2","4","7","1") = "6"
    & skf21("1","7","6","1","2","5","1","1") = "6"
    & skf21("1","7","6","1","2","5","2","1") = "6"
    & skf21("1","7","6","1","2","5","3","1") = "6"
    & skf21("1","7","6","1","2","5","4","1") = "6"
    & skf21("1","7","6","1","2","5","5","1") = "6"
    & skf21("1","7","6","1","2","5","6","1") = "6"
    & skf21("1","7","6","1","2","5","7","1") = "6"
    & skf21("1","7","6","1","2","6","1","1") = "6"
    & skf21("1","7","6","1","2","6","2","1") = "6"
    & skf21("1","7","6","1","2","6","3","1") = "6"
    & skf21("1","7","6","1","2","6","4","1") = "6"
    & skf21("1","7","6","1","2","6","5","1") = "6"
    & skf21("1","7","6","1","2","6","6","1") = "6"
    & skf21("1","7","6","1","2","6","7","1") = "6"
    & skf21("1","7","6","1","2","7","1","1") = "6"
    & skf21("1","7","6","1","2","7","2","1") = "6"
    & skf21("1","7","6","1","2","7","3","1") = "6"
    & skf21("1","7","6","1","2","7","4","1") = "6"
    & skf21("1","7","6","1","2","7","5","1") = "6"
    & skf21("1","7","6","1","2","7","6","1") = "6"
    & skf21("1","7","6","1","2","7","7","1") = "6"
    & skf21("1","7","6","1","3","1","1","1") = "6"
    & skf21("1","7","6","1","3","1","2","1") = "6"
    & skf21("1","7","6","1","3","1","3","1") = "6"
    & skf21("1","7","6","1","3","1","4","1") = "6"
    & skf21("1","7","6","1","3","1","5","1") = "6"
    & skf21("1","7","6","1","3","1","6","1") = "6"
    & skf21("1","7","6","1","3","1","7","1") = "6"
    & skf21("1","7","6","1","3","2","1","1") = "6"
    & skf21("1","7","6","1","3","2","2","1") = "6"
    & skf21("1","7","6","1","3","2","3","1") = "6"
    & skf21("1","7","6","1","3","2","4","1") = "6"
    & skf21("1","7","6","1","3","2","5","1") = "6"
    & skf21("1","7","6","1","3","2","6","1") = "6"
    & skf21("1","7","6","1","3","2","7","1") = "6"
    & skf21("1","7","6","1","3","3","1","1") = "6"
    & skf21("1","7","6","1","3","3","2","1") = "6"
    & skf21("1","7","6","1","3","3","3","1") = "6"
    & skf21("1","7","6","1","3","3","4","1") = "6"
    & skf21("1","7","6","1","3","3","5","1") = "6"
    & skf21("1","7","6","1","3","3","6","1") = "6"
    & skf21("1","7","6","1","3","3","7","1") = "6"
    & skf21("1","7","6","1","3","4","1","1") = "6"
    & skf21("1","7","6","1","3","4","2","1") = "6"
    & skf21("1","7","6","1","3","4","3","1") = "6"
    & skf21("1","7","6","1","3","4","4","1") = "6"
    & skf21("1","7","6","1","3","4","5","1") = "6"
    & skf21("1","7","6","1","3","4","6","1") = "6"
    & skf21("1","7","6","1","3","4","7","1") = "6"
    & skf21("1","7","6","1","3","5","1","1") = "6"
    & skf21("1","7","6","1","3","5","2","1") = "6"
    & skf21("1","7","6","1","3","5","3","1") = "6"
    & skf21("1","7","6","1","3","5","4","1") = "6"
    & skf21("1","7","6","1","3","5","5","1") = "6"
    & skf21("1","7","6","1","3","5","6","1") = "6"
    & skf21("1","7","6","1","3","5","7","1") = "6"
    & skf21("1","7","6","1","3","6","1","1") = "6"
    & skf21("1","7","6","1","3","6","2","1") = "6"
    & skf21("1","7","6","1","3","6","3","1") = "6"
    & skf21("1","7","6","1","3","6","4","1") = "6"
    & skf21("1","7","6","1","3","6","5","1") = "6"
    & skf21("1","7","6","1","3","6","6","1") = "6"
    & skf21("1","7","6","1","3","6","7","1") = "6"
    & skf21("1","7","6","1","3","7","1","1") = "6"
    & skf21("1","7","6","1","3","7","2","1") = "6"
    & skf21("1","7","6","1","3","7","3","1") = "6"
    & skf21("1","7","6","1","3","7","4","1") = "6"
    & skf21("1","7","6","1","3","7","5","1") = "6"
    & skf21("1","7","6","1","3","7","6","1") = "6"
    & skf21("1","7","6","1","3","7","7","1") = "6"
    & skf21("1","7","6","1","4","1","1","1") = "6"
    & skf21("1","7","6","1","4","1","2","1") = "6"
    & skf21("1","7","6","1","4","1","3","1") = "6"
    & skf21("1","7","6","1","4","1","4","1") = "6"
    & skf21("1","7","6","1","4","1","5","1") = "6"
    & skf21("1","7","6","1","4","1","6","1") = "6"
    & skf21("1","7","6","1","4","1","7","1") = "6"
    & skf21("1","7","6","1","4","2","1","1") = "6"
    & skf21("1","7","6","1","4","2","2","1") = "6"
    & skf21("1","7","6","1","4","2","3","1") = "6"
    & skf21("1","7","6","1","4","2","4","1") = "6"
    & skf21("1","7","6","1","4","2","5","1") = "6"
    & skf21("1","7","6","1","4","2","6","1") = "6"
    & skf21("1","7","6","1","4","2","7","1") = "6"
    & skf21("1","7","6","1","4","3","1","1") = "6"
    & skf21("1","7","6","1","4","3","2","1") = "6"
    & skf21("1","7","6","1","4","3","3","1") = "6"
    & skf21("1","7","6","1","4","3","4","1") = "6"
    & skf21("1","7","6","1","4","3","5","1") = "6"
    & skf21("1","7","6","1","4","3","6","1") = "6"
    & skf21("1","7","6","1","4","3","7","1") = "6"
    & skf21("1","7","6","1","4","4","1","1") = "6"
    & skf21("1","7","6","1","4","4","2","1") = "6"
    & skf21("1","7","6","1","4","4","3","1") = "6"
    & skf21("1","7","6","1","4","4","4","1") = "6"
    & skf21("1","7","6","1","4","4","5","1") = "6"
    & skf21("1","7","6","1","4","4","6","1") = "6"
    & skf21("1","7","6","1","4","4","7","1") = "6"
    & skf21("1","7","6","1","4","5","1","1") = "6"
    & skf21("1","7","6","1","4","5","2","1") = "6"
    & skf21("1","7","6","1","4","5","3","1") = "6"
    & skf21("1","7","6","1","4","5","4","1") = "6"
    & skf21("1","7","6","1","4","5","5","1") = "6"
    & skf21("1","7","6","1","4","5","6","1") = "6"
    & skf21("1","7","6","1","4","5","7","1") = "6"
    & skf21("1","7","6","1","4","6","1","1") = "6"
    & skf21("1","7","6","1","4","6","2","1") = "6"
    & skf21("1","7","6","1","4","6","3","1") = "6"
    & skf21("1","7","6","1","4","6","4","1") = "6"
    & skf21("1","7","6","1","4","6","5","1") = "6"
    & skf21("1","7","6","1","4","6","6","1") = "6"
    & skf21("1","7","6","1","4","6","7","1") = "6"
    & skf21("1","7","6","1","4","7","1","1") = "6"
    & skf21("1","7","6","1","4","7","2","1") = "6"
    & skf21("1","7","6","1","4","7","3","1") = "6"
    & skf21("1","7","6","1","4","7","4","1") = "6"
    & skf21("1","7","6","1","4","7","5","1") = "6"
    & skf21("1","7","6","1","4","7","6","1") = "6"
    & skf21("1","7","6","1","4","7","7","1") = "6"
    & skf21("1","7","6","1","5","1","1","1") = "6"
    & skf21("1","7","6","1","5","1","2","1") = "6"
    & skf21("1","7","6","1","5","1","3","1") = "6"
    & skf21("1","7","6","1","5","1","4","1") = "6"
    & skf21("1","7","6","1","5","1","5","1") = "6"
    & skf21("1","7","6","1","5","1","6","1") = "6"
    & skf21("1","7","6","1","5","1","7","1") = "6"
    & skf21("1","7","6","1","5","2","1","1") = "6"
    & skf21("1","7","6","1","5","2","2","1") = "6"
    & skf21("1","7","6","1","5","2","3","1") = "6"
    & skf21("1","7","6","1","5","2","4","1") = "6"
    & skf21("1","7","6","1","5","2","5","1") = "6"
    & skf21("1","7","6","1","5","2","6","1") = "6"
    & skf21("1","7","6","1","5","2","7","1") = "6"
    & skf21("1","7","6","1","5","3","1","1") = "6"
    & skf21("1","7","6","1","5","3","2","1") = "6"
    & skf21("1","7","6","1","5","3","3","1") = "6"
    & skf21("1","7","6","1","5","3","4","1") = "6"
    & skf21("1","7","6","1","5","3","5","1") = "6"
    & skf21("1","7","6","1","5","3","6","1") = "6"
    & skf21("1","7","6","1","5","3","7","1") = "6"
    & skf21("1","7","6","1","5","4","1","1") = "6"
    & skf21("1","7","6","1","5","4","2","1") = "6"
    & skf21("1","7","6","1","5","4","3","1") = "6"
    & skf21("1","7","6","1","5","4","4","1") = "6"
    & skf21("1","7","6","1","5","4","5","1") = "6"
    & skf21("1","7","6","1","5","4","6","1") = "6"
    & skf21("1","7","6","1","5","4","7","1") = "6"
    & skf21("1","7","6","1","5","5","1","1") = "6"
    & skf21("1","7","6","1","5","5","2","1") = "6"
    & skf21("1","7","6","1","5","5","3","1") = "6"
    & skf21("1","7","6","1","5","5","4","1") = "6"
    & skf21("1","7","6","1","5","5","5","1") = "6"
    & skf21("1","7","6","1","5","5","6","1") = "6"
    & skf21("1","7","6","1","5","5","7","1") = "6"
    & skf21("1","7","6","1","5","6","1","1") = "6"
    & skf21("1","7","6","1","5","6","2","1") = "6"
    & skf21("1","7","6","1","5","6","3","1") = "6"
    & skf21("1","7","6","1","5","6","4","1") = "6"
    & skf21("1","7","6","1","5","6","5","1") = "6"
    & skf21("1","7","6","1","5","6","6","1") = "6"
    & skf21("1","7","6","1","5","6","7","1") = "6"
    & skf21("1","7","6","1","5","7","1","1") = "6"
    & skf21("1","7","6","1","5","7","2","1") = "6"
    & skf21("1","7","6","1","5","7","3","1") = "6"
    & skf21("1","7","6","1","5","7","4","1") = "6"
    & skf21("1","7","6","1","5","7","5","1") = "6"
    & skf21("1","7","6","1","5","7","6","1") = "6"
    & skf21("1","7","6","1","5","7","7","1") = "6"
    & skf21("1","7","6","1","6","1","1","1") = "6"
    & skf21("1","7","6","1","6","1","2","1") = "6"
    & skf21("1","7","6","1","6","1","3","1") = "6"
    & skf21("1","7","6","1","6","1","4","1") = "6"
    & skf21("1","7","6","1","6","1","5","1") = "6"
    & skf21("1","7","6","1","6","1","6","1") = "6"
    & skf21("1","7","6","1","6","1","7","1") = "6"
    & skf21("1","7","6","1","6","2","1","1") = "6"
    & skf21("1","7","6","1","6","2","2","1") = "6"
    & skf21("1","7","6","1","6","2","3","1") = "6"
    & skf21("1","7","6","1","6","2","4","1") = "6"
    & skf21("1","7","6","1","6","2","5","1") = "6"
    & skf21("1","7","6","1","6","2","6","1") = "6"
    & skf21("1","7","6","1","6","2","7","1") = "6"
    & skf21("1","7","6","1","6","3","1","1") = "6"
    & skf21("1","7","6","1","6","3","2","1") = "6"
    & skf21("1","7","6","1","6","3","3","1") = "6"
    & skf21("1","7","6","1","6","3","4","1") = "6"
    & skf21("1","7","6","1","6","3","5","1") = "6"
    & skf21("1","7","6","1","6","3","6","1") = "6"
    & skf21("1","7","6","1","6","3","7","1") = "6"
    & skf21("1","7","6","1","6","4","1","1") = "6"
    & skf21("1","7","6","1","6","4","2","1") = "6"
    & skf21("1","7","6","1","6","4","3","1") = "6"
    & skf21("1","7","6","1","6","4","4","1") = "6"
    & skf21("1","7","6","1","6","4","5","1") = "6"
    & skf21("1","7","6","1","6","4","6","1") = "6"
    & skf21("1","7","6","1","6","4","7","1") = "6"
    & skf21("1","7","6","1","6","5","1","1") = "6"
    & skf21("1","7","6","1","6","5","2","1") = "6"
    & skf21("1","7","6","1","6","5","3","1") = "6"
    & skf21("1","7","6","1","6","5","4","1") = "6"
    & skf21("1","7","6","1","6","5","5","1") = "6"
    & skf21("1","7","6","1","6","5","6","1") = "6"
    & skf21("1","7","6","1","6","5","7","1") = "6"
    & skf21("1","7","6","1","6","6","1","1") = "6"
    & skf21("1","7","6","1","6","6","2","1") = "6"
    & skf21("1","7","6","1","6","6","3","1") = "6"
    & skf21("1","7","6","1","6","6","4","1") = "6"
    & skf21("1","7","6","1","6","6","5","1") = "6"
    & skf21("1","7","6","1","6","6","6","1") = "6"
    & skf21("1","7","6","1","6","6","7","1") = "6"
    & skf21("1","7","6","1","6","7","1","1") = "6"
    & skf21("1","7","6","1","6","7","2","1") = "6"
    & skf21("1","7","6","1","6","7","3","1") = "6"
    & skf21("1","7","6","1","6","7","4","1") = "6"
    & skf21("1","7","6","1","6","7","5","1") = "6"
    & skf21("1","7","6","1","6","7","6","1") = "6"
    & skf21("1","7","6","1","6","7","7","1") = "6"
    & skf21("1","7","6","1","7","1","1","1") = "6"
    & skf21("1","7","6","1","7","1","2","1") = "6"
    & skf21("1","7","6","1","7","1","3","1") = "6"
    & skf21("1","7","6","1","7","1","4","1") = "6"
    & skf21("1","7","6","1","7","1","5","1") = "6"
    & skf21("1","7","6","1","7","1","6","1") = "6"
    & skf21("1","7","6","1","7","1","7","1") = "6"
    & skf21("1","7","6","1","7","2","1","1") = "6"
    & skf21("1","7","6","1","7","2","2","1") = "6"
    & skf21("1","7","6","1","7","2","3","1") = "6"
    & skf21("1","7","6","1","7","2","4","1") = "6"
    & skf21("1","7","6","1","7","2","5","1") = "6"
    & skf21("1","7","6","1","7","2","6","1") = "6"
    & skf21("1","7","6","1","7","2","7","1") = "6"
    & skf21("1","7","6","1","7","3","1","1") = "6"
    & skf21("1","7","6","1","7","3","2","1") = "6"
    & skf21("1","7","6","1","7","3","3","1") = "6"
    & skf21("1","7","6","1","7","3","4","1") = "6"
    & skf21("1","7","6","1","7","3","5","1") = "6"
    & skf21("1","7","6","1","7","3","6","1") = "6"
    & skf21("1","7","6","1","7","3","7","1") = "6"
    & skf21("1","7","6","1","7","4","1","1") = "6"
    & skf21("1","7","6","1","7","4","2","1") = "6"
    & skf21("1","7","6","1","7","4","3","1") = "6"
    & skf21("1","7","6","1","7","4","4","1") = "6"
    & skf21("1","7","6","1","7","4","5","1") = "6"
    & skf21("1","7","6","1","7","4","6","1") = "6"
    & skf21("1","7","6","1","7","4","7","1") = "6"
    & skf21("1","7","6","1","7","5","1","1") = "6"
    & skf21("1","7","6","1","7","5","2","1") = "6"
    & skf21("1","7","6","1","7","5","3","1") = "6"
    & skf21("1","7","6","1","7","5","4","1") = "6"
    & skf21("1","7","6","1","7","5","5","1") = "6"
    & skf21("1","7","6","1","7","5","6","1") = "6"
    & skf21("1","7","6","1","7","5","7","1") = "6"
    & skf21("1","7","6","1","7","6","1","1") = "6"
    & skf21("1","7","6","1","7","6","2","1") = "6"
    & skf21("1","7","6","1","7","6","3","1") = "6"
    & skf21("1","7","6","1","7","6","4","1") = "6"
    & skf21("1","7","6","1","7","6","5","1") = "6"
    & skf21("1","7","6","1","7","6","6","1") = "6"
    & skf21("1","7","6","1","7","6","7","1") = "6"
    & skf21("1","7","6","1","7","7","1","1") = "6"
    & skf21("1","7","6","1","7","7","2","1") = "6"
    & skf21("1","7","6","1","7","7","3","1") = "6"
    & skf21("1","7","6","1","7","7","4","1") = "6"
    & skf21("1","7","6","1","7","7","5","1") = "6"
    & skf21("1","7","6","1","7","7","6","1") = "6"
    & skf21("1","7","6","1","7","7","7","1") = "6"
    & skf21("1","7","6","2","1","1","1","1") = "6"
    & skf21("1","7","6","2","1","1","2","1") = "6"
    & skf21("1","7","6","2","1","1","3","1") = "6"
    & skf21("1","7","6","2","1","1","4","1") = "6"
    & skf21("1","7","6","2","1","1","5","1") = "6"
    & skf21("1","7","6","2","1","1","6","1") = "6"
    & skf21("1","7","6","2","1","1","7","1") = "6"
    & skf21("1","7","6","2","1","2","1","1") = "6"
    & skf21("1","7","6","2","1","2","2","1") = "6"
    & skf21("1","7","6","2","1","2","3","1") = "6"
    & skf21("1","7","6","2","1","2","4","1") = "6"
    & skf21("1","7","6","2","1","2","5","1") = "6"
    & skf21("1","7","6","2","1","2","6","1") = "6"
    & skf21("1","7","6","2","1","2","7","1") = "6"
    & skf21("1","7","6","2","1","3","1","1") = "6"
    & skf21("1","7","6","2","1","3","2","1") = "6"
    & skf21("1","7","6","2","1","3","3","1") = "6"
    & skf21("1","7","6","2","1","3","4","1") = "6"
    & skf21("1","7","6","2","1","3","5","1") = "6"
    & skf21("1","7","6","2","1","3","6","1") = "6"
    & skf21("1","7","6","2","1","3","7","1") = "6"
    & skf21("1","7","6","2","1","4","1","1") = "6"
    & skf21("1","7","6","2","1","4","2","1") = "6"
    & skf21("1","7","6","2","1","4","3","1") = "6"
    & skf21("1","7","6","2","1","4","4","1") = "6"
    & skf21("1","7","6","2","1","4","5","1") = "6"
    & skf21("1","7","6","2","1","4","6","1") = "6"
    & skf21("1","7","6","2","1","4","7","1") = "6"
    & skf21("1","7","6","2","1","5","1","1") = "6"
    & skf21("1","7","6","2","1","5","2","1") = "6"
    & skf21("1","7","6","2","1","5","3","1") = "6"
    & skf21("1","7","6","2","1","5","4","1") = "6"
    & skf21("1","7","6","2","1","5","5","1") = "6"
    & skf21("1","7","6","2","1","5","6","1") = "6"
    & skf21("1","7","6","2","1","5","7","1") = "6"
    & skf21("1","7","6","2","1","6","1","1") = "6"
    & skf21("1","7","6","2","1","6","2","1") = "6"
    & skf21("1","7","6","2","1","6","3","1") = "6"
    & skf21("1","7","6","2","1","6","4","1") = "6"
    & skf21("1","7","6","2","1","6","5","1") = "6"
    & skf21("1","7","6","2","1","6","6","1") = "6"
    & skf21("1","7","6","2","1","6","7","1") = "6"
    & skf21("1","7","6","2","1","7","1","1") = "6"
    & skf21("1","7","6","2","1","7","2","1") = "6"
    & skf21("1","7","6","2","1","7","3","1") = "6"
    & skf21("1","7","6","2","1","7","4","1") = "6"
    & skf21("1","7","6","2","1","7","5","1") = "6"
    & skf21("1","7","6","2","1","7","6","1") = "6"
    & skf21("1","7","6","2","1","7","7","1") = "6"
    & skf21("1","7","6","2","2","1","1","1") = "6"
    & skf21("1","7","6","2","2","1","2","1") = "6"
    & skf21("1","7","6","2","2","1","3","1") = "6"
    & skf21("1","7","6","2","2","1","4","1") = "6"
    & skf21("1","7","6","2","2","1","5","1") = "6"
    & skf21("1","7","6","2","2","1","6","1") = "6"
    & skf21("1","7","6","2","2","1","7","1") = "6"
    & skf21("1","7","6","2","2","2","1","1") = "6"
    & skf21("1","7","6","2","2","2","2","1") = "6"
    & skf21("1","7","6","2","2","2","3","1") = "6"
    & skf21("1","7","6","2","2","2","4","1") = "6"
    & skf21("1","7","6","2","2","2","5","1") = "6"
    & skf21("1","7","6","2","2","2","6","1") = "6"
    & skf21("1","7","6","2","2","2","7","1") = "6"
    & skf21("1","7","6","2","2","3","1","1") = "6"
    & skf21("1","7","6","2","2","3","2","1") = "6"
    & skf21("1","7","6","2","2","3","3","1") = "6"
    & skf21("1","7","6","2","2","3","4","1") = "6"
    & skf21("1","7","6","2","2","3","5","1") = "6"
    & skf21("1","7","6","2","2","3","6","1") = "6"
    & skf21("1","7","6","2","2","3","7","1") = "6"
    & skf21("1","7","6","2","2","4","1","1") = "6"
    & skf21("1","7","6","2","2","4","2","1") = "6"
    & skf21("1","7","6","2","2","4","3","1") = "6"
    & skf21("1","7","6","2","2","4","4","1") = "6"
    & skf21("1","7","6","2","2","4","5","1") = "6"
    & skf21("1","7","6","2","2","4","6","1") = "6"
    & skf21("1","7","6","2","2","4","7","1") = "6"
    & skf21("1","7","6","2","2","5","1","1") = "6"
    & skf21("1","7","6","2","2","5","2","1") = "6"
    & skf21("1","7","6","2","2","5","3","1") = "6"
    & skf21("1","7","6","2","2","5","4","1") = "6"
    & skf21("1","7","6","2","2","5","5","1") = "6"
    & skf21("1","7","6","2","2","5","6","1") = "6"
    & skf21("1","7","6","2","2","5","7","1") = "6"
    & skf21("1","7","6","2","2","6","1","1") = "6"
    & skf21("1","7","6","2","2","6","2","1") = "6"
    & skf21("1","7","6","2","2","6","3","1") = "6"
    & skf21("1","7","6","2","2","6","4","1") = "6"
    & skf21("1","7","6","2","2","6","5","1") = "6"
    & skf21("1","7","6","2","2","6","6","1") = "6"
    & skf21("1","7","6","2","2","6","7","1") = "6"
    & skf21("1","7","6","2","2","7","1","1") = "6"
    & skf21("1","7","6","2","2","7","2","1") = "6"
    & skf21("1","7","6","2","2","7","3","1") = "6"
    & skf21("1","7","6","2","2","7","4","1") = "6"
    & skf21("1","7","6","2","2","7","5","1") = "6"
    & skf21("1","7","6","2","2","7","6","1") = "6"
    & skf21("1","7","6","2","2","7","7","1") = "6"
    & skf21("1","7","6","2","3","1","1","1") = "6"
    & skf21("1","7","6","2","3","1","2","1") = "6"
    & skf21("1","7","6","2","3","1","3","1") = "6"
    & skf21("1","7","6","2","3","1","4","1") = "6"
    & skf21("1","7","6","2","3","1","5","1") = "6"
    & skf21("1","7","6","2","3","1","6","1") = "6"
    & skf21("1","7","6","2","3","1","7","1") = "6"
    & skf21("1","7","6","2","3","2","1","1") = "6"
    & skf21("1","7","6","2","3","2","2","1") = "6"
    & skf21("1","7","6","2","3","2","3","1") = "6"
    & skf21("1","7","6","2","3","2","4","1") = "6"
    & skf21("1","7","6","2","3","2","5","1") = "6"
    & skf21("1","7","6","2","3","2","6","1") = "6"
    & skf21("1","7","6","2","3","2","7","1") = "6"
    & skf21("1","7","6","2","3","3","1","1") = "6"
    & skf21("1","7","6","2","3","3","2","1") = "6"
    & skf21("1","7","6","2","3","3","3","1") = "6"
    & skf21("1","7","6","2","3","3","4","1") = "6"
    & skf21("1","7","6","2","3","3","5","1") = "6"
    & skf21("1","7","6","2","3","3","6","1") = "6"
    & skf21("1","7","6","2","3","3","7","1") = "6"
    & skf21("1","7","6","2","3","4","1","1") = "6"
    & skf21("1","7","6","2","3","4","2","1") = "6"
    & skf21("1","7","6","2","3","4","3","1") = "6"
    & skf21("1","7","6","2","3","4","4","1") = "6"
    & skf21("1","7","6","2","3","4","5","1") = "6"
    & skf21("1","7","6","2","3","4","6","1") = "6"
    & skf21("1","7","6","2","3","4","7","1") = "6"
    & skf21("1","7","6","2","3","5","1","1") = "6"
    & skf21("1","7","6","2","3","5","2","1") = "6"
    & skf21("1","7","6","2","3","5","3","1") = "6"
    & skf21("1","7","6","2","3","5","4","1") = "6"
    & skf21("1","7","6","2","3","5","5","1") = "6"
    & skf21("1","7","6","2","3","5","6","1") = "6"
    & skf21("1","7","6","2","3","5","7","1") = "6"
    & skf21("1","7","6","2","3","6","1","1") = "6"
    & skf21("1","7","6","2","3","6","2","1") = "6"
    & skf21("1","7","6","2","3","6","3","1") = "6"
    & skf21("1","7","6","2","3","6","4","1") = "6"
    & skf21("1","7","6","2","3","6","5","1") = "6"
    & skf21("1","7","6","2","3","6","6","1") = "6"
    & skf21("1","7","6","2","3","6","7","1") = "6"
    & skf21("1","7","6","2","3","7","1","1") = "6"
    & skf21("1","7","6","2","3","7","2","1") = "6"
    & skf21("1","7","6","2","3","7","3","1") = "6"
    & skf21("1","7","6","2","3","7","4","1") = "6"
    & skf21("1","7","6","2","3","7","5","1") = "6"
    & skf21("1","7","6","2","3","7","6","1") = "6"
    & skf21("1","7","6","2","3","7","7","1") = "6"
    & skf21("1","7","6","2","4","1","1","1") = "6"
    & skf21("1","7","6","2","4","1","2","1") = "6"
    & skf21("1","7","6","2","4","1","3","1") = "6"
    & skf21("1","7","6","2","4","1","4","1") = "6"
    & skf21("1","7","6","2","4","1","5","1") = "6"
    & skf21("1","7","6","2","4","1","6","1") = "6"
    & skf21("1","7","6","2","4","1","7","1") = "6"
    & skf21("1","7","6","2","4","2","1","1") = "6"
    & skf21("1","7","6","2","4","2","2","1") = "6"
    & skf21("1","7","6","2","4","2","3","1") = "6"
    & skf21("1","7","6","2","4","2","4","1") = "6"
    & skf21("1","7","6","2","4","2","5","1") = "6"
    & skf21("1","7","6","2","4","2","6","1") = "6"
    & skf21("1","7","6","2","4","2","7","1") = "6"
    & skf21("1","7","6","2","4","3","1","1") = "6"
    & skf21("1","7","6","2","4","3","2","1") = "6"
    & skf21("1","7","6","2","4","3","3","1") = "6"
    & skf21("1","7","6","2","4","3","4","1") = "6"
    & skf21("1","7","6","2","4","3","5","1") = "6"
    & skf21("1","7","6","2","4","3","6","1") = "6"
    & skf21("1","7","6","2","4","3","7","1") = "6"
    & skf21("1","7","6","2","4","4","1","1") = "6"
    & skf21("1","7","6","2","4","4","2","1") = "6"
    & skf21("1","7","6","2","4","4","3","1") = "6"
    & skf21("1","7","6","2","4","4","4","1") = "6"
    & skf21("1","7","6","2","4","4","5","1") = "6"
    & skf21("1","7","6","2","4","4","6","1") = "6"
    & skf21("1","7","6","2","4","4","7","1") = "6"
    & skf21("1","7","6","2","4","5","1","1") = "6"
    & skf21("1","7","6","2","4","5","2","1") = "6"
    & skf21("1","7","6","2","4","5","3","1") = "6"
    & skf21("1","7","6","2","4","5","4","1") = "6"
    & skf21("1","7","6","2","4","5","5","1") = "6"
    & skf21("1","7","6","2","4","5","6","1") = "6"
    & skf21("1","7","6","2","4","5","7","1") = "6"
    & skf21("1","7","6","2","4","6","1","1") = "6"
    & skf21("1","7","6","2","4","6","2","1") = "6"
    & skf21("1","7","6","2","4","6","3","1") = "6"
    & skf21("1","7","6","2","4","6","4","1") = "6"
    & skf21("1","7","6","2","4","6","5","1") = "6"
    & skf21("1","7","6","2","4","6","6","1") = "6"
    & skf21("1","7","6","2","4","6","7","1") = "6"
    & skf21("1","7","6","2","4","7","1","1") = "6"
    & skf21("1","7","6","2","4","7","2","1") = "6"
    & skf21("1","7","6","2","4","7","3","1") = "6"
    & skf21("1","7","6","2","4","7","4","1") = "6"
    & skf21("1","7","6","2","4","7","5","1") = "6"
    & skf21("1","7","6","2","4","7","6","1") = "6"
    & skf21("1","7","6","2","4","7","7","1") = "6"
    & skf21("1","7","6","2","5","1","1","1") = "6"
    & skf21("1","7","6","2","5","1","2","1") = "6"
    & skf21("1","7","6","2","5","1","3","1") = "6"
    & skf21("1","7","6","2","5","1","4","1") = "6"
    & skf21("1","7","6","2","5","1","5","1") = "6"
    & skf21("1","7","6","2","5","1","6","1") = "6"
    & skf21("1","7","6","2","5","1","7","1") = "6"
    & skf21("1","7","6","2","5","2","1","1") = "6"
    & skf21("1","7","6","2","5","2","2","1") = "6"
    & skf21("1","7","6","2","5","2","3","1") = "6"
    & skf21("1","7","6","2","5","2","4","1") = "6"
    & skf21("1","7","6","2","5","2","5","1") = "6"
    & skf21("1","7","6","2","5","2","6","1") = "6"
    & skf21("1","7","6","2","5","2","7","1") = "6"
    & skf21("1","7","6","2","5","3","1","1") = "6"
    & skf21("1","7","6","2","5","3","2","1") = "6"
    & skf21("1","7","6","2","5","3","3","1") = "6"
    & skf21("1","7","6","2","5","3","4","1") = "6"
    & skf21("1","7","6","2","5","3","5","1") = "6"
    & skf21("1","7","6","2","5","3","6","1") = "6"
    & skf21("1","7","6","2","5","3","7","1") = "6"
    & skf21("1","7","6","2","5","4","1","1") = "6"
    & skf21("1","7","6","2","5","4","2","1") = "6"
    & skf21("1","7","6","2","5","4","3","1") = "6"
    & skf21("1","7","6","2","5","4","4","1") = "6"
    & skf21("1","7","6","2","5","4","5","1") = "6"
    & skf21("1","7","6","2","5","4","6","1") = "6"
    & skf21("1","7","6","2","5","4","7","1") = "6"
    & skf21("1","7","6","2","5","5","1","1") = "6"
    & skf21("1","7","6","2","5","5","2","1") = "6"
    & skf21("1","7","6","2","5","5","3","1") = "6"
    & skf21("1","7","6","2","5","5","4","1") = "6"
    & skf21("1","7","6","2","5","5","5","1") = "6"
    & skf21("1","7","6","2","5","5","6","1") = "6"
    & skf21("1","7","6","2","5","5","7","1") = "6"
    & skf21("1","7","6","2","5","6","1","1") = "6"
    & skf21("1","7","6","2","5","6","2","1") = "6"
    & skf21("1","7","6","2","5","6","3","1") = "6"
    & skf21("1","7","6","2","5","6","4","1") = "6"
    & skf21("1","7","6","2","5","6","5","1") = "6"
    & skf21("1","7","6","2","5","6","6","1") = "6"
    & skf21("1","7","6","2","5","6","7","1") = "6"
    & skf21("1","7","6","2","5","7","1","1") = "6"
    & skf21("1","7","6","2","5","7","2","1") = "6"
    & skf21("1","7","6","2","5","7","3","1") = "6"
    & skf21("1","7","6","2","5","7","4","1") = "6"
    & skf21("1","7","6","2","5","7","5","1") = "6"
    & skf21("1","7","6","2","5","7","6","1") = "6"
    & skf21("1","7","6","2","5","7","7","1") = "6"
    & skf21("1","7","6","2","6","1","1","1") = "6"
    & skf21("1","7","6","2","6","1","2","1") = "6"
    & skf21("1","7","6","2","6","1","3","1") = "6"
    & skf21("1","7","6","2","6","1","4","1") = "6"
    & skf21("1","7","6","2","6","1","5","1") = "6"
    & skf21("1","7","6","2","6","1","6","1") = "6"
    & skf21("1","7","6","2","6","1","7","1") = "6"
    & skf21("1","7","6","2","6","2","1","1") = "6"
    & skf21("1","7","6","2","6","2","2","1") = "6"
    & skf21("1","7","6","2","6","2","3","1") = "6"
    & skf21("1","7","6","2","6","2","4","1") = "6"
    & skf21("1","7","6","2","6","2","5","1") = "6"
    & skf21("1","7","6","2","6","2","6","1") = "6"
    & skf21("1","7","6","2","6","2","7","1") = "6"
    & skf21("1","7","6","2","6","3","1","1") = "6"
    & skf21("1","7","6","2","6","3","2","1") = "6"
    & skf21("1","7","6","2","6","3","3","1") = "6"
    & skf21("1","7","6","2","6","3","4","1") = "6"
    & skf21("1","7","6","2","6","3","5","1") = "6"
    & skf21("1","7","6","2","6","3","6","1") = "6"
    & skf21("1","7","6","2","6","3","7","1") = "6"
    & skf21("1","7","6","2","6","4","1","1") = "6"
    & skf21("1","7","6","2","6","4","2","1") = "6"
    & skf21("1","7","6","2","6","4","3","1") = "6"
    & skf21("1","7","6","2","6","4","4","1") = "6"
    & skf21("1","7","6","2","6","4","5","1") = "6"
    & skf21("1","7","6","2","6","4","6","1") = "6"
    & skf21("1","7","6","2","6","4","7","1") = "6"
    & skf21("1","7","6","2","6","5","1","1") = "6"
    & skf21("1","7","6","2","6","5","2","1") = "6"
    & skf21("1","7","6","2","6","5","3","1") = "6"
    & skf21("1","7","6","2","6","5","4","1") = "6"
    & skf21("1","7","6","2","6","5","5","1") = "6"
    & skf21("1","7","6","2","6","5","6","1") = "6"
    & skf21("1","7","6","2","6","5","7","1") = "6"
    & skf21("1","7","6","2","6","6","1","1") = "6"
    & skf21("1","7","6","2","6","6","2","1") = "6"
    & skf21("1","7","6","2","6","6","3","1") = "6"
    & skf21("1","7","6","2","6","6","4","1") = "6"
    & skf21("1","7","6","2","6","6","5","1") = "6"
    & skf21("1","7","6","2","6","6","6","1") = "6"
    & skf21("1","7","6","2","6","6","7","1") = "6"
    & skf21("1","7","6","2","6","7","1","1") = "6"
    & skf21("1","7","6","2","6","7","2","1") = "6"
    & skf21("1","7","6","2","6","7","3","1") = "6"
    & skf21("1","7","6","2","6","7","4","1") = "6"
    & skf21("1","7","6","2","6","7","5","1") = "6"
    & skf21("1","7","6","2","6","7","6","1") = "6"
    & skf21("1","7","6","2","6","7","7","1") = "6"
    & skf21("1","7","6","2","7","1","1","1") = "6"
    & skf21("1","7","6","2","7","1","2","1") = "6"
    & skf21("1","7","6","2","7","1","3","1") = "6"
    & skf21("1","7","6","2","7","1","4","1") = "6"
    & skf21("1","7","6","2","7","1","5","1") = "6"
    & skf21("1","7","6","2","7","1","6","1") = "6"
    & skf21("1","7","6","2","7","1","7","1") = "6"
    & skf21("1","7","6","2","7","2","1","1") = "6"
    & skf21("1","7","6","2","7","2","2","1") = "6"
    & skf21("1","7","6","2","7","2","3","1") = "6"
    & skf21("1","7","6","2","7","2","4","1") = "6"
    & skf21("1","7","6","2","7","2","5","1") = "6"
    & skf21("1","7","6","2","7","2","6","1") = "6"
    & skf21("1","7","6","2","7","2","7","1") = "6"
    & skf21("1","7","6","2","7","3","1","1") = "6"
    & skf21("1","7","6","2","7","3","2","1") = "6"
    & skf21("1","7","6","2","7","3","3","1") = "6"
    & skf21("1","7","6","2","7","3","4","1") = "6"
    & skf21("1","7","6","2","7","3","5","1") = "6"
    & skf21("1","7","6","2","7","3","6","1") = "6"
    & skf21("1","7","6","2","7","3","7","1") = "6"
    & skf21("1","7","6","2","7","4","1","1") = "6"
    & skf21("1","7","6","2","7","4","2","1") = "6"
    & skf21("1","7","6","2","7","4","3","1") = "6"
    & skf21("1","7","6","2","7","4","4","1") = "6"
    & skf21("1","7","6","2","7","4","5","1") = "6"
    & skf21("1","7","6","2","7","4","6","1") = "6"
    & skf21("1","7","6","2","7","4","7","1") = "6"
    & skf21("1","7","6","2","7","5","1","1") = "6"
    & skf21("1","7","6","2","7","5","2","1") = "6"
    & skf21("1","7","6","2","7","5","3","1") = "6"
    & skf21("1","7","6","2","7","5","4","1") = "6"
    & skf21("1","7","6","2","7","5","5","1") = "6"
    & skf21("1","7","6","2","7","5","6","1") = "6"
    & skf21("1","7","6","2","7","5","7","1") = "6"
    & skf21("1","7","6","2","7","6","1","1") = "6"
    & skf21("1","7","6","2","7","6","2","1") = "6"
    & skf21("1","7","6","2","7","6","3","1") = "6"
    & skf21("1","7","6","2","7","6","4","1") = "6"
    & skf21("1","7","6","2","7","6","5","1") = "6"
    & skf21("1","7","6","2","7","6","6","1") = "6"
    & skf21("1","7","6","2","7","6","7","1") = "6"
    & skf21("1","7","6","2","7","7","1","1") = "6"
    & skf21("1","7","6","2","7","7","2","1") = "6"
    & skf21("1","7","6","2","7","7","3","1") = "6"
    & skf21("1","7","6","2","7","7","4","1") = "6"
    & skf21("1","7","6","2","7","7","5","1") = "6"
    & skf21("1","7","6","2","7","7","6","1") = "6"
    & skf21("1","7","6","2","7","7","7","1") = "6"
    & skf21("1","7","6","3","1","1","1","1") = "6"
    & skf21("1","7","6","3","1","1","2","1") = "6"
    & skf21("1","7","6","3","1","1","3","1") = "6"
    & skf21("1","7","6","3","1","1","4","1") = "6"
    & skf21("1","7","6","3","1","1","5","1") = "6"
    & skf21("1","7","6","3","1","1","6","1") = "6"
    & skf21("1","7","6","3","1","1","7","1") = "6"
    & skf21("1","7","6","3","1","2","1","1") = "6"
    & skf21("1","7","6","3","1","2","2","1") = "6"
    & skf21("1","7","6","3","1","2","3","1") = "6"
    & skf21("1","7","6","3","1","2","4","1") = "6"
    & skf21("1","7","6","3","1","2","5","1") = "6"
    & skf21("1","7","6","3","1","2","6","1") = "6"
    & skf21("1","7","6","3","1","2","7","1") = "6"
    & skf21("1","7","6","3","1","3","1","1") = "6"
    & skf21("1","7","6","3","1","3","2","1") = "6"
    & skf21("1","7","6","3","1","3","3","1") = "6"
    & skf21("1","7","6","3","1","3","4","1") = "6"
    & skf21("1","7","6","3","1","3","5","1") = "6"
    & skf21("1","7","6","3","1","3","6","1") = "6"
    & skf21("1","7","6","3","1","3","7","1") = "6"
    & skf21("1","7","6","3","1","4","1","1") = "6"
    & skf21("1","7","6","3","1","4","2","1") = "6"
    & skf21("1","7","6","3","1","4","3","1") = "6"
    & skf21("1","7","6","3","1","4","4","1") = "6"
    & skf21("1","7","6","3","1","4","5","1") = "6"
    & skf21("1","7","6","3","1","4","6","1") = "6"
    & skf21("1","7","6","3","1","4","7","1") = "6"
    & skf21("1","7","6","3","1","5","1","1") = "6"
    & skf21("1","7","6","3","1","5","2","1") = "6"
    & skf21("1","7","6","3","1","5","3","1") = "6"
    & skf21("1","7","6","3","1","5","4","1") = "6"
    & skf21("1","7","6","3","1","5","5","1") = "6"
    & skf21("1","7","6","3","1","5","6","1") = "6"
    & skf21("1","7","6","3","1","5","7","1") = "6"
    & skf21("1","7","6","3","1","6","1","1") = "6"
    & skf21("1","7","6","3","1","6","2","1") = "6"
    & skf21("1","7","6","3","1","6","3","1") = "6"
    & skf21("1","7","6","3","1","6","4","1") = "6"
    & skf21("1","7","6","3","1","6","5","1") = "6"
    & skf21("1","7","6","3","1","6","6","1") = "6"
    & skf21("1","7","6","3","1","6","7","1") = "6"
    & skf21("1","7","6","3","1","7","1","1") = "6"
    & skf21("1","7","6","3","1","7","2","1") = "6"
    & skf21("1","7","6","3","1","7","3","1") = "6"
    & skf21("1","7","6","3","1","7","4","1") = "6"
    & skf21("1","7","6","3","1","7","5","1") = "6"
    & skf21("1","7","6","3","1","7","6","1") = "6"
    & skf21("1","7","6","3","1","7","7","1") = "6"
    & skf21("1","7","6","3","2","1","1","1") = "6"
    & skf21("1","7","6","3","2","1","2","1") = "6"
    & skf21("1","7","6","3","2","1","3","1") = "6"
    & skf21("1","7","6","3","2","1","4","1") = "6"
    & skf21("1","7","6","3","2","1","5","1") = "6"
    & skf21("1","7","6","3","2","1","6","1") = "6"
    & skf21("1","7","6","3","2","1","7","1") = "6"
    & skf21("1","7","6","3","2","2","1","1") = "6"
    & skf21("1","7","6","3","2","2","2","1") = "6"
    & skf21("1","7","6","3","2","2","3","1") = "6"
    & skf21("1","7","6","3","2","2","4","1") = "6"
    & skf21("1","7","6","3","2","2","5","1") = "6"
    & skf21("1","7","6","3","2","2","6","1") = "6"
    & skf21("1","7","6","3","2","2","7","1") = "6"
    & skf21("1","7","6","3","2","3","1","1") = "6"
    & skf21("1","7","6","3","2","3","2","1") = "6"
    & skf21("1","7","6","3","2","3","3","1") = "6"
    & skf21("1","7","6","3","2","3","4","1") = "6"
    & skf21("1","7","6","3","2","3","5","1") = "6"
    & skf21("1","7","6","3","2","3","6","1") = "6"
    & skf21("1","7","6","3","2","3","7","1") = "6"
    & skf21("1","7","6","3","2","4","1","1") = "6"
    & skf21("1","7","6","3","2","4","2","1") = "6"
    & skf21("1","7","6","3","2","4","3","1") = "6"
    & skf21("1","7","6","3","2","4","4","1") = "6"
    & skf21("1","7","6","3","2","4","5","1") = "6"
    & skf21("1","7","6","3","2","4","6","1") = "6"
    & skf21("1","7","6","3","2","4","7","1") = "6"
    & skf21("1","7","6","3","2","5","1","1") = "6"
    & skf21("1","7","6","3","2","5","2","1") = "6"
    & skf21("1","7","6","3","2","5","3","1") = "6"
    & skf21("1","7","6","3","2","5","4","1") = "6"
    & skf21("1","7","6","3","2","5","5","1") = "6"
    & skf21("1","7","6","3","2","5","6","1") = "6"
    & skf21("1","7","6","3","2","5","7","1") = "6"
    & skf21("1","7","6","3","2","6","1","1") = "6"
    & skf21("1","7","6","3","2","6","2","1") = "6"
    & skf21("1","7","6","3","2","6","3","1") = "6"
    & skf21("1","7","6","3","2","6","4","1") = "6"
    & skf21("1","7","6","3","2","6","5","1") = "6"
    & skf21("1","7","6","3","2","6","6","1") = "6"
    & skf21("1","7","6","3","2","6","7","1") = "6"
    & skf21("1","7","6","3","2","7","1","1") = "6"
    & skf21("1","7","6","3","2","7","2","1") = "6"
    & skf21("1","7","6","3","2","7","3","1") = "6"
    & skf21("1","7","6","3","2","7","4","1") = "6"
    & skf21("1","7","6","3","2","7","5","1") = "6"
    & skf21("1","7","6","3","2","7","6","1") = "6"
    & skf21("1","7","6","3","2","7","7","1") = "6"
    & skf21("1","7","6","3","3","1","1","1") = "6"
    & skf21("1","7","6","3","3","1","2","1") = "6"
    & skf21("1","7","6","3","3","1","3","1") = "6"
    & skf21("1","7","6","3","3","1","4","1") = "6"
    & skf21("1","7","6","3","3","1","5","1") = "6"
    & skf21("1","7","6","3","3","1","6","1") = "6"
    & skf21("1","7","6","3","3","1","7","1") = "6"
    & skf21("1","7","6","3","3","2","1","1") = "6"
    & skf21("1","7","6","3","3","2","2","1") = "6"
    & skf21("1","7","6","3","3","2","3","1") = "6"
    & skf21("1","7","6","3","3","2","4","1") = "6"
    & skf21("1","7","6","3","3","2","5","1") = "6"
    & skf21("1","7","6","3","3","2","6","1") = "6"
    & skf21("1","7","6","3","3","2","7","1") = "6"
    & skf21("1","7","6","3","3","3","1","1") = "6"
    & skf21("1","7","6","3","3","3","2","1") = "6"
    & skf21("1","7","6","3","3","3","3","1") = "6"
    & skf21("1","7","6","3","3","3","4","1") = "6"
    & skf21("1","7","6","3","3","3","5","1") = "6"
    & skf21("1","7","6","3","3","3","6","1") = "6"
    & skf21("1","7","6","3","3","3","7","1") = "6"
    & skf21("1","7","6","3","3","4","1","1") = "6"
    & skf21("1","7","6","3","3","4","2","1") = "6"
    & skf21("1","7","6","3","3","4","3","1") = "6"
    & skf21("1","7","6","3","3","4","4","1") = "6"
    & skf21("1","7","6","3","3","4","5","1") = "6"
    & skf21("1","7","6","3","3","4","6","1") = "6"
    & skf21("1","7","6","3","3","4","7","1") = "6"
    & skf21("1","7","6","3","3","5","1","1") = "6"
    & skf21("1","7","6","3","3","5","2","1") = "6"
    & skf21("1","7","6","3","3","5","3","1") = "6"
    & skf21("1","7","6","3","3","5","4","1") = "6"
    & skf21("1","7","6","3","3","5","5","1") = "6"
    & skf21("1","7","6","3","3","5","6","1") = "6"
    & skf21("1","7","6","3","3","5","7","1") = "6"
    & skf21("1","7","6","3","3","6","1","1") = "6"
    & skf21("1","7","6","3","3","6","2","1") = "6"
    & skf21("1","7","6","3","3","6","3","1") = "6"
    & skf21("1","7","6","3","3","6","4","1") = "6"
    & skf21("1","7","6","3","3","6","5","1") = "6"
    & skf21("1","7","6","3","3","6","6","1") = "6"
    & skf21("1","7","6","3","3","6","7","1") = "6"
    & skf21("1","7","6","3","3","7","1","1") = "6"
    & skf21("1","7","6","3","3","7","2","1") = "6"
    & skf21("1","7","6","3","3","7","3","1") = "6"
    & skf21("1","7","6","3","3","7","4","1") = "6"
    & skf21("1","7","6","3","3","7","5","1") = "6"
    & skf21("1","7","6","3","3","7","6","1") = "6"
    & skf21("1","7","6","3","3","7","7","1") = "6"
    & skf21("1","7","6","3","4","1","1","1") = "6"
    & skf21("1","7","6","3","4","1","2","1") = "6"
    & skf21("1","7","6","3","4","1","3","1") = "6"
    & skf21("1","7","6","3","4","1","4","1") = "6"
    & skf21("1","7","6","3","4","1","5","1") = "6"
    & skf21("1","7","6","3","4","1","6","1") = "6"
    & skf21("1","7","6","3","4","1","7","1") = "6"
    & skf21("1","7","6","3","4","2","1","1") = "6"
    & skf21("1","7","6","3","4","2","2","1") = "6"
    & skf21("1","7","6","3","4","2","3","1") = "6"
    & skf21("1","7","6","3","4","2","4","1") = "6"
    & skf21("1","7","6","3","4","2","5","1") = "6"
    & skf21("1","7","6","3","4","2","6","1") = "6"
    & skf21("1","7","6","3","4","2","7","1") = "6"
    & skf21("1","7","6","3","4","3","1","1") = "6"
    & skf21("1","7","6","3","4","3","2","1") = "6"
    & skf21("1","7","6","3","4","3","3","1") = "6"
    & skf21("1","7","6","3","4","3","4","1") = "6"
    & skf21("1","7","6","3","4","3","5","1") = "6"
    & skf21("1","7","6","3","4","3","6","1") = "6"
    & skf21("1","7","6","3","4","3","7","1") = "6"
    & skf21("1","7","6","3","4","4","1","1") = "6"
    & skf21("1","7","6","3","4","4","2","1") = "6"
    & skf21("1","7","6","3","4","4","3","1") = "6"
    & skf21("1","7","6","3","4","4","4","1") = "6"
    & skf21("1","7","6","3","4","4","5","1") = "6"
    & skf21("1","7","6","3","4","4","6","1") = "6"
    & skf21("1","7","6","3","4","4","7","1") = "6"
    & skf21("1","7","6","3","4","5","1","1") = "6"
    & skf21("1","7","6","3","4","5","2","1") = "6"
    & skf21("1","7","6","3","4","5","3","1") = "6"
    & skf21("1","7","6","3","4","5","4","1") = "6"
    & skf21("1","7","6","3","4","5","5","1") = "6"
    & skf21("1","7","6","3","4","5","6","1") = "6"
    & skf21("1","7","6","3","4","5","7","1") = "6"
    & skf21("1","7","6","3","4","6","1","1") = "6"
    & skf21("1","7","6","3","4","6","2","1") = "6"
    & skf21("1","7","6","3","4","6","3","1") = "6"
    & skf21("1","7","6","3","4","6","4","1") = "6"
    & skf21("1","7","6","3","4","6","5","1") = "6"
    & skf21("1","7","6","3","4","6","6","1") = "6"
    & skf21("1","7","6","3","4","6","7","1") = "6"
    & skf21("1","7","6","3","4","7","1","1") = "6"
    & skf21("1","7","6","3","4","7","2","1") = "6"
    & skf21("1","7","6","3","4","7","3","1") = "6"
    & skf21("1","7","6","3","4","7","4","1") = "6"
    & skf21("1","7","6","3","4","7","5","1") = "6"
    & skf21("1","7","6","3","4","7","6","1") = "6"
    & skf21("1","7","6","3","4","7","7","1") = "6"
    & skf21("1","7","6","3","5","1","1","1") = "6"
    & skf21("1","7","6","3","5","1","2","1") = "6"
    & skf21("1","7","6","3","5","1","3","1") = "6"
    & skf21("1","7","6","3","5","1","4","1") = "6"
    & skf21("1","7","6","3","5","1","5","1") = "6"
    & skf21("1","7","6","3","5","1","6","1") = "6"
    & skf21("1","7","6","3","5","1","7","1") = "6"
    & skf21("1","7","6","3","5","2","1","1") = "6"
    & skf21("1","7","6","3","5","2","2","1") = "6"
    & skf21("1","7","6","3","5","2","3","1") = "6"
    & skf21("1","7","6","3","5","2","4","1") = "6"
    & skf21("1","7","6","3","5","2","5","1") = "6"
    & skf21("1","7","6","3","5","2","6","1") = "6"
    & skf21("1","7","6","3","5","2","7","1") = "6"
    & skf21("1","7","6","3","5","3","1","1") = "6"
    & skf21("1","7","6","3","5","3","2","1") = "6"
    & skf21("1","7","6","3","5","3","3","1") = "6"
    & skf21("1","7","6","3","5","3","4","1") = "6"
    & skf21("1","7","6","3","5","3","5","1") = "6"
    & skf21("1","7","6","3","5","3","6","1") = "6"
    & skf21("1","7","6","3","5","3","7","1") = "6"
    & skf21("1","7","6","3","5","4","1","1") = "6"
    & skf21("1","7","6","3","5","4","2","1") = "6"
    & skf21("1","7","6","3","5","4","3","1") = "6"
    & skf21("1","7","6","3","5","4","4","1") = "6"
    & skf21("1","7","6","3","5","4","5","1") = "6"
    & skf21("1","7","6","3","5","4","6","1") = "6"
    & skf21("1","7","6","3","5","4","7","1") = "6"
    & skf21("1","7","6","3","5","5","1","1") = "6"
    & skf21("1","7","6","3","5","5","2","1") = "6"
    & skf21("1","7","6","3","5","5","3","1") = "6"
    & skf21("1","7","6","3","5","5","4","1") = "6"
    & skf21("1","7","6","3","5","5","5","1") = "6"
    & skf21("1","7","6","3","5","5","6","1") = "6"
    & skf21("1","7","6","3","5","5","7","1") = "6"
    & skf21("1","7","6","3","5","6","1","1") = "6"
    & skf21("1","7","6","3","5","6","2","1") = "6"
    & skf21("1","7","6","3","5","6","3","1") = "6"
    & skf21("1","7","6","3","5","6","4","1") = "6"
    & skf21("1","7","6","3","5","6","5","1") = "6"
    & skf21("1","7","6","3","5","6","6","1") = "6"
    & skf21("1","7","6","3","5","6","7","1") = "6"
    & skf21("1","7","6","3","5","7","1","1") = "6"
    & skf21("1","7","6","3","5","7","2","1") = "6"
    & skf21("1","7","6","3","5","7","3","1") = "6"
    & skf21("1","7","6","3","5","7","4","1") = "6"
    & skf21("1","7","6","3","5","7","5","1") = "6"
    & skf21("1","7","6","3","5","7","6","1") = "6"
    & skf21("1","7","6","3","5","7","7","1") = "6"
    & skf21("1","7","6","3","6","1","1","1") = "6"
    & skf21("1","7","6","3","6","1","2","1") = "6"
    & skf21("1","7","6","3","6","1","3","1") = "6"
    & skf21("1","7","6","3","6","1","4","1") = "6"
    & skf21("1","7","6","3","6","1","5","1") = "6"
    & skf21("1","7","6","3","6","1","6","1") = "6"
    & skf21("1","7","6","3","6","1","7","1") = "6"
    & skf21("1","7","6","3","6","2","1","1") = "6"
    & skf21("1","7","6","3","6","2","2","1") = "6"
    & skf21("1","7","6","3","6","2","3","1") = "6"
    & skf21("1","7","6","3","6","2","4","1") = "6"
    & skf21("1","7","6","3","6","2","5","1") = "6"
    & skf21("1","7","6","3","6","2","6","1") = "6"
    & skf21("1","7","6","3","6","2","7","1") = "6"
    & skf21("1","7","6","3","6","3","1","1") = "6"
    & skf21("1","7","6","3","6","3","2","1") = "6"
    & skf21("1","7","6","3","6","3","3","1") = "6"
    & skf21("1","7","6","3","6","3","4","1") = "6"
    & skf21("1","7","6","3","6","3","5","1") = "6"
    & skf21("1","7","6","3","6","3","6","1") = "6"
    & skf21("1","7","6","3","6","3","7","1") = "6"
    & skf21("1","7","6","3","6","4","1","1") = "6"
    & skf21("1","7","6","3","6","4","2","1") = "6"
    & skf21("1","7","6","3","6","4","3","1") = "6"
    & skf21("1","7","6","3","6","4","4","1") = "6"
    & skf21("1","7","6","3","6","4","5","1") = "6"
    & skf21("1","7","6","3","6","4","6","1") = "6"
    & skf21("1","7","6","3","6","4","7","1") = "6"
    & skf21("1","7","6","3","6","5","1","1") = "6"
    & skf21("1","7","6","3","6","5","2","1") = "6"
    & skf21("1","7","6","3","6","5","3","1") = "6"
    & skf21("1","7","6","3","6","5","4","1") = "6"
    & skf21("1","7","6","3","6","5","5","1") = "6"
    & skf21("1","7","6","3","6","5","6","1") = "6"
    & skf21("1","7","6","3","6","5","7","1") = "6"
    & skf21("1","7","6","3","6","6","1","1") = "6"
    & skf21("1","7","6","3","6","6","2","1") = "6"
    & skf21("1","7","6","3","6","6","3","1") = "6"
    & skf21("1","7","6","3","6","6","4","1") = "6"
    & skf21("1","7","6","3","6","6","5","1") = "6"
    & skf21("1","7","6","3","6","6","6","1") = "6"
    & skf21("1","7","6","3","6","6","7","1") = "6"
    & skf21("1","7","6","3","6","7","1","1") = "6"
    & skf21("1","7","6","3","6","7","2","1") = "6"
    & skf21("1","7","6","3","6","7","3","1") = "6"
    & skf21("1","7","6","3","6","7","4","1") = "6"
    & skf21("1","7","6","3","6","7","5","1") = "6"
    & skf21("1","7","6","3","6","7","6","1") = "6"
    & skf21("1","7","6","3","6","7","7","1") = "6"
    & skf21("1","7","6","3","7","1","1","1") = "6"
    & skf21("1","7","6","3","7","1","2","1") = "6"
    & skf21("1","7","6","3","7","1","3","1") = "6"
    & skf21("1","7","6","3","7","1","4","1") = "6"
    & skf21("1","7","6","3","7","1","5","1") = "6"
    & skf21("1","7","6","3","7","1","6","1") = "6"
    & skf21("1","7","6","3","7","1","7","1") = "6"
    & skf21("1","7","6","3","7","2","1","1") = "6"
    & skf21("1","7","6","3","7","2","2","1") = "6"
    & skf21("1","7","6","3","7","2","3","1") = "6"
    & skf21("1","7","6","3","7","2","4","1") = "6"
    & skf21("1","7","6","3","7","2","5","1") = "6"
    & skf21("1","7","6","3","7","2","6","1") = "6"
    & skf21("1","7","6","3","7","2","7","1") = "6"
    & skf21("1","7","6","3","7","3","1","1") = "6"
    & skf21("1","7","6","3","7","3","2","1") = "6"
    & skf21("1","7","6","3","7","3","3","1") = "6"
    & skf21("1","7","6","3","7","3","4","1") = "6"
    & skf21("1","7","6","3","7","3","5","1") = "6"
    & skf21("1","7","6","3","7","3","6","1") = "6"
    & skf21("1","7","6","3","7","3","7","1") = "6"
    & skf21("1","7","6","3","7","4","1","1") = "6"
    & skf21("1","7","6","3","7","4","2","1") = "6"
    & skf21("1","7","6","3","7","4","3","1") = "6"
    & skf21("1","7","6","3","7","4","4","1") = "6"
    & skf21("1","7","6","3","7","4","5","1") = "6"
    & skf21("1","7","6","3","7","4","6","1") = "6"
    & skf21("1","7","6","3","7","4","7","1") = "6"
    & skf21("1","7","6","3","7","5","1","1") = "6"
    & skf21("1","7","6","3","7","5","2","1") = "6"
    & skf21("1","7","6","3","7","5","3","1") = "6"
    & skf21("1","7","6","3","7","5","4","1") = "6"
    & skf21("1","7","6","3","7","5","5","1") = "6"
    & skf21("1","7","6","3","7","5","6","1") = "6"
    & skf21("1","7","6","3","7","5","7","1") = "6"
    & skf21("1","7","6","3","7","6","1","1") = "6"
    & skf21("1","7","6","3","7","6","2","1") = "6"
    & skf21("1","7","6","3","7","6","3","1") = "6"
    & skf21("1","7","6","3","7","6","4","1") = "6"
    & skf21("1","7","6","3","7","6","5","1") = "6"
    & skf21("1","7","6","3","7","6","6","1") = "6"
    & skf21("1","7","6","3","7","6","7","1") = "6"
    & skf21("1","7","6","3","7","7","1","1") = "6"
    & skf21("1","7","6","3","7","7","2","1") = "6"
    & skf21("1","7","6","3","7","7","3","1") = "6"
    & skf21("1","7","6","3","7","7","4","1") = "6"
    & skf21("1","7","6","3","7","7","5","1") = "6"
    & skf21("1","7","6","3","7","7","6","1") = "6"
    & skf21("1","7","6","3","7","7","7","1") = "6"
    & skf21("1","7","6","4","1","1","1","1") = "6"
    & skf21("1","7","6","4","1","1","2","1") = "6"
    & skf21("1","7","6","4","1","1","3","1") = "6"
    & skf21("1","7","6","4","1","1","4","1") = "6"
    & skf21("1","7","6","4","1","1","5","1") = "6"
    & skf21("1","7","6","4","1","1","6","1") = "6"
    & skf21("1","7","6","4","1","1","7","1") = "6"
    & skf21("1","7","6","4","1","2","1","1") = "6"
    & skf21("1","7","6","4","1","2","2","1") = "6"
    & skf21("1","7","6","4","1","2","3","1") = "6"
    & skf21("1","7","6","4","1","2","4","1") = "6"
    & skf21("1","7","6","4","1","2","5","1") = "6"
    & skf21("1","7","6","4","1","2","6","1") = "6"
    & skf21("1","7","6","4","1","2","7","1") = "6"
    & skf21("1","7","6","4","1","3","1","1") = "6"
    & skf21("1","7","6","4","1","3","2","1") = "6"
    & skf21("1","7","6","4","1","3","3","1") = "6"
    & skf21("1","7","6","4","1","3","4","1") = "6"
    & skf21("1","7","6","4","1","3","5","1") = "6"
    & skf21("1","7","6","4","1","3","6","1") = "6"
    & skf21("1","7","6","4","1","3","7","1") = "6"
    & skf21("1","7","6","4","1","4","1","1") = "6"
    & skf21("1","7","6","4","1","4","2","1") = "6"
    & skf21("1","7","6","4","1","4","3","1") = "6"
    & skf21("1","7","6","4","1","4","4","1") = "6"
    & skf21("1","7","6","4","1","4","5","1") = "6"
    & skf21("1","7","6","4","1","4","6","1") = "6"
    & skf21("1","7","6","4","1","4","7","1") = "6"
    & skf21("1","7","6","4","1","5","1","1") = "6"
    & skf21("1","7","6","4","1","5","2","1") = "6"
    & skf21("1","7","6","4","1","5","3","1") = "6"
    & skf21("1","7","6","4","1","5","4","1") = "6"
    & skf21("1","7","6","4","1","5","5","1") = "6"
    & skf21("1","7","6","4","1","5","6","1") = "6"
    & skf21("1","7","6","4","1","5","7","1") = "6"
    & skf21("1","7","6","4","1","6","1","1") = "6"
    & skf21("1","7","6","4","1","6","2","1") = "6"
    & skf21("1","7","6","4","1","6","3","1") = "6"
    & skf21("1","7","6","4","1","6","4","1") = "6"
    & skf21("1","7","6","4","1","6","5","1") = "6"
    & skf21("1","7","6","4","1","6","6","1") = "6"
    & skf21("1","7","6","4","1","6","7","1") = "6"
    & skf21("1","7","6","4","1","7","1","1") = "6"
    & skf21("1","7","6","4","1","7","2","1") = "6"
    & skf21("1","7","6","4","1","7","3","1") = "6"
    & skf21("1","7","6","4","1","7","4","1") = "6"
    & skf21("1","7","6","4","1","7","5","1") = "6"
    & skf21("1","7","6","4","1","7","6","1") = "6"
    & skf21("1","7","6","4","1","7","7","1") = "6"
    & skf21("1","7","6","4","2","1","1","1") = "6"
    & skf21("1","7","6","4","2","1","2","1") = "6"
    & skf21("1","7","6","4","2","1","3","1") = "6"
    & skf21("1","7","6","4","2","1","4","1") = "6"
    & skf21("1","7","6","4","2","1","5","1") = "6"
    & skf21("1","7","6","4","2","1","6","1") = "6"
    & skf21("1","7","6","4","2","1","7","1") = "6"
    & skf21("1","7","6","4","2","2","1","1") = "6"
    & skf21("1","7","6","4","2","2","2","1") = "6"
    & skf21("1","7","6","4","2","2","3","1") = "6"
    & skf21("1","7","6","4","2","2","4","1") = "6"
    & skf21("1","7","6","4","2","2","5","1") = "6"
    & skf21("1","7","6","4","2","2","6","1") = "6"
    & skf21("1","7","6","4","2","2","7","1") = "6"
    & skf21("1","7","6","4","2","3","1","1") = "6"
    & skf21("1","7","6","4","2","3","2","1") = "6"
    & skf21("1","7","6","4","2","3","3","1") = "6"
    & skf21("1","7","6","4","2","3","4","1") = "6"
    & skf21("1","7","6","4","2","3","5","1") = "6"
    & skf21("1","7","6","4","2","3","6","1") = "6"
    & skf21("1","7","6","4","2","3","7","1") = "6"
    & skf21("1","7","6","4","2","4","1","1") = "6"
    & skf21("1","7","6","4","2","4","2","1") = "6"
    & skf21("1","7","6","4","2","4","3","1") = "6"
    & skf21("1","7","6","4","2","4","4","1") = "6"
    & skf21("1","7","6","4","2","4","5","1") = "6"
    & skf21("1","7","6","4","2","4","6","1") = "6"
    & skf21("1","7","6","4","2","4","7","1") = "6"
    & skf21("1","7","6","4","2","5","1","1") = "6"
    & skf21("1","7","6","4","2","5","2","1") = "6"
    & skf21("1","7","6","4","2","5","3","1") = "6"
    & skf21("1","7","6","4","2","5","4","1") = "6"
    & skf21("1","7","6","4","2","5","5","1") = "6"
    & skf21("1","7","6","4","2","5","6","1") = "6"
    & skf21("1","7","6","4","2","5","7","1") = "6"
    & skf21("1","7","6","4","2","6","1","1") = "6"
    & skf21("1","7","6","4","2","6","2","1") = "6"
    & skf21("1","7","6","4","2","6","3","1") = "6"
    & skf21("1","7","6","4","2","6","4","1") = "6"
    & skf21("1","7","6","4","2","6","5","1") = "6"
    & skf21("1","7","6","4","2","6","6","1") = "6"
    & skf21("1","7","6","4","2","6","7","1") = "6"
    & skf21("1","7","6","4","2","7","1","1") = "6"
    & skf21("1","7","6","4","2","7","2","1") = "6"
    & skf21("1","7","6","4","2","7","3","1") = "6"
    & skf21("1","7","6","4","2","7","4","1") = "6"
    & skf21("1","7","6","4","2","7","5","1") = "6"
    & skf21("1","7","6","4","2","7","6","1") = "6"
    & skf21("1","7","6","4","2","7","7","1") = "6"
    & skf21("1","7","6","4","3","1","1","1") = "6"
    & skf21("1","7","6","4","3","1","2","1") = "6"
    & skf21("1","7","6","4","3","1","3","1") = "6"
    & skf21("1","7","6","4","3","1","4","1") = "6"
    & skf21("1","7","6","4","3","1","5","1") = "6"
    & skf21("1","7","6","4","3","1","6","1") = "6"
    & skf21("1","7","6","4","3","1","7","1") = "6"
    & skf21("1","7","6","4","3","2","1","1") = "6"
    & skf21("1","7","6","4","3","2","2","1") = "6"
    & skf21("1","7","6","4","3","2","3","1") = "6"
    & skf21("1","7","6","4","3","2","4","1") = "6"
    & skf21("1","7","6","4","3","2","5","1") = "6"
    & skf21("1","7","6","4","3","2","6","1") = "6"
    & skf21("1","7","6","4","3","2","7","1") = "6"
    & skf21("1","7","6","4","3","3","1","1") = "6"
    & skf21("1","7","6","4","3","3","2","1") = "6"
    & skf21("1","7","6","4","3","3","3","1") = "6"
    & skf21("1","7","6","4","3","3","4","1") = "6"
    & skf21("1","7","6","4","3","3","5","1") = "6"
    & skf21("1","7","6","4","3","3","6","1") = "6"
    & skf21("1","7","6","4","3","3","7","1") = "6"
    & skf21("1","7","6","4","3","4","1","1") = "6"
    & skf21("1","7","6","4","3","4","2","1") = "6"
    & skf21("1","7","6","4","3","4","3","1") = "6"
    & skf21("1","7","6","4","3","4","4","1") = "6"
    & skf21("1","7","6","4","3","4","5","1") = "6"
    & skf21("1","7","6","4","3","4","6","1") = "6"
    & skf21("1","7","6","4","3","4","7","1") = "6"
    & skf21("1","7","6","4","3","5","1","1") = "6"
    & skf21("1","7","6","4","3","5","2","1") = "6"
    & skf21("1","7","6","4","3","5","3","1") = "6"
    & skf21("1","7","6","4","3","5","4","1") = "6"
    & skf21("1","7","6","4","3","5","5","1") = "6"
    & skf21("1","7","6","4","3","5","6","1") = "6"
    & skf21("1","7","6","4","3","5","7","1") = "6"
    & skf21("1","7","6","4","3","6","1","1") = "6"
    & skf21("1","7","6","4","3","6","2","1") = "6"
    & skf21("1","7","6","4","3","6","3","1") = "6"
    & skf21("1","7","6","4","3","6","4","1") = "6"
    & skf21("1","7","6","4","3","6","5","1") = "6"
    & skf21("1","7","6","4","3","6","6","1") = "6"
    & skf21("1","7","6","4","3","6","7","1") = "6"
    & skf21("1","7","6","4","3","7","1","1") = "6"
    & skf21("1","7","6","4","3","7","2","1") = "6"
    & skf21("1","7","6","4","3","7","3","1") = "6"
    & skf21("1","7","6","4","3","7","4","1") = "6"
    & skf21("1","7","6","4","3","7","5","1") = "6"
    & skf21("1","7","6","4","3","7","6","1") = "6"
    & skf21("1","7","6","4","3","7","7","1") = "6"
    & skf21("1","7","6","4","4","1","1","1") = "6"
    & skf21("1","7","6","4","4","1","2","1") = "6"
    & skf21("1","7","6","4","4","1","3","1") = "6"
    & skf21("1","7","6","4","4","1","4","1") = "6"
    & skf21("1","7","6","4","4","1","5","1") = "6"
    & skf21("1","7","6","4","4","1","6","1") = "6"
    & skf21("1","7","6","4","4","1","7","1") = "6"
    & skf21("1","7","6","4","4","2","1","1") = "6"
    & skf21("1","7","6","4","4","2","2","1") = "6"
    & skf21("1","7","6","4","4","2","3","1") = "6"
    & skf21("1","7","6","4","4","2","4","1") = "6"
    & skf21("1","7","6","4","4","2","5","1") = "6"
    & skf21("1","7","6","4","4","2","6","1") = "6"
    & skf21("1","7","6","4","4","2","7","1") = "6"
    & skf21("1","7","6","4","4","3","1","1") = "6"
    & skf21("1","7","6","4","4","3","2","1") = "6"
    & skf21("1","7","6","4","4","3","3","1") = "6"
    & skf21("1","7","6","4","4","3","4","1") = "6"
    & skf21("1","7","6","4","4","3","5","1") = "6"
    & skf21("1","7","6","4","4","3","6","1") = "6"
    & skf21("1","7","6","4","4","3","7","1") = "6"
    & skf21("1","7","6","4","4","4","1","1") = "6"
    & skf21("1","7","6","4","4","4","2","1") = "6"
    & skf21("1","7","6","4","4","4","3","1") = "6"
    & skf21("1","7","6","4","4","4","4","1") = "6"
    & skf21("1","7","6","4","4","4","5","1") = "6"
    & skf21("1","7","6","4","4","4","6","1") = "6"
    & skf21("1","7","6","4","4","4","7","1") = "6"
    & skf21("1","7","6","4","4","5","1","1") = "6"
    & skf21("1","7","6","4","4","5","2","1") = "6"
    & skf21("1","7","6","4","4","5","3","1") = "6"
    & skf21("1","7","6","4","4","5","4","1") = "6"
    & skf21("1","7","6","4","4","5","5","1") = "6"
    & skf21("1","7","6","4","4","5","6","1") = "6"
    & skf21("1","7","6","4","4","5","7","1") = "6"
    & skf21("1","7","6","4","4","6","1","1") = "6"
    & skf21("1","7","6","4","4","6","2","1") = "6"
    & skf21("1","7","6","4","4","6","3","1") = "6"
    & skf21("1","7","6","4","4","6","4","1") = "6"
    & skf21("1","7","6","4","4","6","5","1") = "6"
    & skf21("1","7","6","4","4","6","6","1") = "6"
    & skf21("1","7","6","4","4","6","7","1") = "6"
    & skf21("1","7","6","4","4","7","1","1") = "6"
    & skf21("1","7","6","4","4","7","2","1") = "6"
    & skf21("1","7","6","4","4","7","3","1") = "6"
    & skf21("1","7","6","4","4","7","4","1") = "6"
    & skf21("1","7","6","4","4","7","5","1") = "6"
    & skf21("1","7","6","4","4","7","6","1") = "6"
    & skf21("1","7","6","4","4","7","7","1") = "6"
    & skf21("1","7","6","4","5","1","1","1") = "6"
    & skf21("1","7","6","4","5","1","2","1") = "6"
    & skf21("1","7","6","4","5","1","3","1") = "6"
    & skf21("1","7","6","4","5","1","4","1") = "6"
    & skf21("1","7","6","4","5","1","5","1") = "6"
    & skf21("1","7","6","4","5","1","6","1") = "6"
    & skf21("1","7","6","4","5","1","7","1") = "6"
    & skf21("1","7","6","4","5","2","1","1") = "6"
    & skf21("1","7","6","4","5","2","2","1") = "6"
    & skf21("1","7","6","4","5","2","3","1") = "6"
    & skf21("1","7","6","4","5","2","4","1") = "6"
    & skf21("1","7","6","4","5","2","5","1") = "6"
    & skf21("1","7","6","4","5","2","6","1") = "6"
    & skf21("1","7","6","4","5","2","7","1") = "6"
    & skf21("1","7","6","4","5","3","1","1") = "6"
    & skf21("1","7","6","4","5","3","2","1") = "6"
    & skf21("1","7","6","4","5","3","3","1") = "6"
    & skf21("1","7","6","4","5","3","4","1") = "6"
    & skf21("1","7","6","4","5","3","5","1") = "6"
    & skf21("1","7","6","4","5","3","6","1") = "6"
    & skf21("1","7","6","4","5","3","7","1") = "6"
    & skf21("1","7","6","4","5","4","1","1") = "6"
    & skf21("1","7","6","4","5","4","2","1") = "6"
    & skf21("1","7","6","4","5","4","3","1") = "6"
    & skf21("1","7","6","4","5","4","4","1") = "6"
    & skf21("1","7","6","4","5","4","5","1") = "6"
    & skf21("1","7","6","4","5","4","6","1") = "6"
    & skf21("1","7","6","4","5","4","7","1") = "6"
    & skf21("1","7","6","4","5","5","1","1") = "6"
    & skf21("1","7","6","4","5","5","2","1") = "6"
    & skf21("1","7","6","4","5","5","3","1") = "6"
    & skf21("1","7","6","4","5","5","4","1") = "6"
    & skf21("1","7","6","4","5","5","5","1") = "6"
    & skf21("1","7","6","4","5","5","6","1") = "6"
    & skf21("1","7","6","4","5","5","7","1") = "6"
    & skf21("1","7","6","4","5","6","1","1") = "6"
    & skf21("1","7","6","4","5","6","2","1") = "6"
    & skf21("1","7","6","4","5","6","3","1") = "6"
    & skf21("1","7","6","4","5","6","4","1") = "6"
    & skf21("1","7","6","4","5","6","5","1") = "6"
    & skf21("1","7","6","4","5","6","6","1") = "6"
    & skf21("1","7","6","4","5","6","7","1") = "6"
    & skf21("1","7","6","4","5","7","1","1") = "6"
    & skf21("1","7","6","4","5","7","2","1") = "6"
    & skf21("1","7","6","4","5","7","3","1") = "6"
    & skf21("1","7","6","4","5","7","4","1") = "6"
    & skf21("1","7","6","4","5","7","5","1") = "6"
    & skf21("1","7","6","4","5","7","6","1") = "6"
    & skf21("1","7","6","4","5","7","7","1") = "6"
    & skf21("1","7","6","4","6","1","1","1") = "6"
    & skf21("1","7","6","4","6","1","2","1") = "6"
    & skf21("1","7","6","4","6","1","3","1") = "6"
    & skf21("1","7","6","4","6","1","4","1") = "6"
    & skf21("1","7","6","4","6","1","5","1") = "6"
    & skf21("1","7","6","4","6","1","6","1") = "6"
    & skf21("1","7","6","4","6","1","7","1") = "6"
    & skf21("1","7","6","4","6","2","1","1") = "6"
    & skf21("1","7","6","4","6","2","2","1") = "6"
    & skf21("1","7","6","4","6","2","3","1") = "6"
    & skf21("1","7","6","4","6","2","4","1") = "6"
    & skf21("1","7","6","4","6","2","5","1") = "6"
    & skf21("1","7","6","4","6","2","6","1") = "6"
    & skf21("1","7","6","4","6","2","7","1") = "6"
    & skf21("1","7","6","4","6","3","1","1") = "6"
    & skf21("1","7","6","4","6","3","2","1") = "6"
    & skf21("1","7","6","4","6","3","3","1") = "6"
    & skf21("1","7","6","4","6","3","4","1") = "6"
    & skf21("1","7","6","4","6","3","5","1") = "6"
    & skf21("1","7","6","4","6","3","6","1") = "6"
    & skf21("1","7","6","4","6","3","7","1") = "6"
    & skf21("1","7","6","4","6","4","1","1") = "6"
    & skf21("1","7","6","4","6","4","2","1") = "6"
    & skf21("1","7","6","4","6","4","3","1") = "6"
    & skf21("1","7","6","4","6","4","4","1") = "6"
    & skf21("1","7","6","4","6","4","5","1") = "6"
    & skf21("1","7","6","4","6","4","6","1") = "6"
    & skf21("1","7","6","4","6","4","7","1") = "6"
    & skf21("1","7","6","4","6","5","1","1") = "6"
    & skf21("1","7","6","4","6","5","2","1") = "6"
    & skf21("1","7","6","4","6","5","3","1") = "6"
    & skf21("1","7","6","4","6","5","4","1") = "6"
    & skf21("1","7","6","4","6","5","5","1") = "6"
    & skf21("1","7","6","4","6","5","6","1") = "6"
    & skf21("1","7","6","4","6","5","7","1") = "6"
    & skf21("1","7","6","4","6","6","1","1") = "6"
    & skf21("1","7","6","4","6","6","2","1") = "6"
    & skf21("1","7","6","4","6","6","3","1") = "6"
    & skf21("1","7","6","4","6","6","4","1") = "6"
    & skf21("1","7","6","4","6","6","5","1") = "6"
    & skf21("1","7","6","4","6","6","6","1") = "6"
    & skf21("1","7","6","4","6","6","7","1") = "6"
    & skf21("1","7","6","4","6","7","1","1") = "6"
    & skf21("1","7","6","4","6","7","2","1") = "6"
    & skf21("1","7","6","4","6","7","3","1") = "6"
    & skf21("1","7","6","4","6","7","4","1") = "6"
    & skf21("1","7","6","4","6","7","5","1") = "6"
    & skf21("1","7","6","4","6","7","6","1") = "6"
    & skf21("1","7","6","4","6","7","7","1") = "6"
    & skf21("1","7","6","4","7","1","1","1") = "6"
    & skf21("1","7","6","4","7","1","2","1") = "6"
    & skf21("1","7","6","4","7","1","3","1") = "6"
    & skf21("1","7","6","4","7","1","4","1") = "6"
    & skf21("1","7","6","4","7","1","5","1") = "6"
    & skf21("1","7","6","4","7","1","6","1") = "6"
    & skf21("1","7","6","4","7","1","7","1") = "6"
    & skf21("1","7","6","4","7","2","1","1") = "6"
    & skf21("1","7","6","4","7","2","2","1") = "6"
    & skf21("1","7","6","4","7","2","3","1") = "6"
    & skf21("1","7","6","4","7","2","4","1") = "6"
    & skf21("1","7","6","4","7","2","5","1") = "6"
    & skf21("1","7","6","4","7","2","6","1") = "6"
    & skf21("1","7","6","4","7","2","7","1") = "6"
    & skf21("1","7","6","4","7","3","1","1") = "6"
    & skf21("1","7","6","4","7","3","2","1") = "6"
    & skf21("1","7","6","4","7","3","3","1") = "6"
    & skf21("1","7","6","4","7","3","4","1") = "6"
    & skf21("1","7","6","4","7","3","5","1") = "6"
    & skf21("1","7","6","4","7","3","6","1") = "6"
    & skf21("1","7","6","4","7","3","7","1") = "6"
    & skf21("1","7","6","4","7","4","1","1") = "6"
    & skf21("1","7","6","4","7","4","2","1") = "6"
    & skf21("1","7","6","4","7","4","3","1") = "6"
    & skf21("1","7","6","4","7","4","4","1") = "6"
    & skf21("1","7","6","4","7","4","5","1") = "6"
    & skf21("1","7","6","4","7","4","6","1") = "6"
    & skf21("1","7","6","4","7","4","7","1") = "6"
    & skf21("1","7","6","4","7","5","1","1") = "6"
    & skf21("1","7","6","4","7","5","2","1") = "6"
    & skf21("1","7","6","4","7","5","3","1") = "6"
    & skf21("1","7","6","4","7","5","4","1") = "6"
    & skf21("1","7","6","4","7","5","5","1") = "6"
    & skf21("1","7","6","4","7","5","6","1") = "6"
    & skf21("1","7","6","4","7","5","7","1") = "6"
    & skf21("1","7","6","4","7","6","1","1") = "6"
    & skf21("1","7","6","4","7","6","2","1") = "6"
    & skf21("1","7","6","4","7","6","3","1") = "6"
    & skf21("1","7","6","4","7","6","4","1") = "6"
    & skf21("1","7","6","4","7","6","5","1") = "6"
    & skf21("1","7","6","4","7","6","6","1") = "6"
    & skf21("1","7","6","4","7","6","7","1") = "6"
    & skf21("1","7","6","4","7","7","1","1") = "6"
    & skf21("1","7","6","4","7","7","2","1") = "6"
    & skf21("1","7","6","4","7","7","3","1") = "6"
    & skf21("1","7","6","4","7","7","4","1") = "6"
    & skf21("1","7","6","4","7","7","5","1") = "6"
    & skf21("1","7","6","4","7","7","6","1") = "6"
    & skf21("1","7","6","4","7","7","7","1") = "6"
    & skf21("1","7","6","5","1","1","1","1") = "6"
    & skf21("1","7","6","5","1","1","2","1") = "6"
    & skf21("1","7","6","5","1","1","3","1") = "6"
    & skf21("1","7","6","5","1","1","4","1") = "6"
    & skf21("1","7","6","5","1","1","5","1") = "6"
    & skf21("1","7","6","5","1","1","6","1") = "6"
    & skf21("1","7","6","5","1","1","7","1") = "6"
    & skf21("1","7","6","5","1","2","1","1") = "6"
    & skf21("1","7","6","5","1","2","2","1") = "6"
    & skf21("1","7","6","5","1","2","3","1") = "6"
    & skf21("1","7","6","5","1","2","4","1") = "6"
    & skf21("1","7","6","5","1","2","5","1") = "6"
    & skf21("1","7","6","5","1","2","6","1") = "6"
    & skf21("1","7","6","5","1","2","7","1") = "6"
    & skf21("1","7","6","5","1","3","1","1") = "6"
    & skf21("1","7","6","5","1","3","2","1") = "6"
    & skf21("1","7","6","5","1","3","3","1") = "6"
    & skf21("1","7","6","5","1","3","4","1") = "6"
    & skf21("1","7","6","5","1","3","5","1") = "6"
    & skf21("1","7","6","5","1","3","6","1") = "6"
    & skf21("1","7","6","5","1","3","7","1") = "6"
    & skf21("1","7","6","5","1","4","1","1") = "6"
    & skf21("1","7","6","5","1","4","2","1") = "6"
    & skf21("1","7","6","5","1","4","3","1") = "6"
    & skf21("1","7","6","5","1","4","4","1") = "6"
    & skf21("1","7","6","5","1","4","5","1") = "6"
    & skf21("1","7","6","5","1","4","6","1") = "6"
    & skf21("1","7","6","5","1","4","7","1") = "6"
    & skf21("1","7","6","5","1","5","1","1") = "6"
    & skf21("1","7","6","5","1","5","2","1") = "6"
    & skf21("1","7","6","5","1","5","3","1") = "6"
    & skf21("1","7","6","5","1","5","4","1") = "6"
    & skf21("1","7","6","5","1","5","5","1") = "6"
    & skf21("1","7","6","5","1","5","6","1") = "6"
    & skf21("1","7","6","5","1","5","7","1") = "6"
    & skf21("1","7","6","5","1","6","1","1") = "6"
    & skf21("1","7","6","5","1","6","2","1") = "6"
    & skf21("1","7","6","5","1","6","3","1") = "6"
    & skf21("1","7","6","5","1","6","4","1") = "6"
    & skf21("1","7","6","5","1","6","5","1") = "6"
    & skf21("1","7","6","5","1","6","6","1") = "6"
    & skf21("1","7","6","5","1","6","7","1") = "6"
    & skf21("1","7","6","5","1","7","1","1") = "6"
    & skf21("1","7","6","5","1","7","2","1") = "6"
    & skf21("1","7","6","5","1","7","3","1") = "6"
    & skf21("1","7","6","5","1","7","4","1") = "6"
    & skf21("1","7","6","5","1","7","5","1") = "6"
    & skf21("1","7","6","5","1","7","6","1") = "6"
    & skf21("1","7","6","5","1","7","7","1") = "6"
    & skf21("1","7","6","5","2","1","1","1") = "6"
    & skf21("1","7","6","5","2","1","2","1") = "6"
    & skf21("1","7","6","5","2","1","3","1") = "6"
    & skf21("1","7","6","5","2","1","4","1") = "6"
    & skf21("1","7","6","5","2","1","5","1") = "6"
    & skf21("1","7","6","5","2","1","6","1") = "6"
    & skf21("1","7","6","5","2","1","7","1") = "6"
    & skf21("1","7","6","5","2","2","1","1") = "6"
    & skf21("1","7","6","5","2","2","2","1") = "6"
    & skf21("1","7","6","5","2","2","3","1") = "6"
    & skf21("1","7","6","5","2","2","4","1") = "6"
    & skf21("1","7","6","5","2","2","5","1") = "6"
    & skf21("1","7","6","5","2","2","6","1") = "6"
    & skf21("1","7","6","5","2","2","7","1") = "6"
    & skf21("1","7","6","5","2","3","1","1") = "6"
    & skf21("1","7","6","5","2","3","2","1") = "6"
    & skf21("1","7","6","5","2","3","3","1") = "6"
    & skf21("1","7","6","5","2","3","4","1") = "6"
    & skf21("1","7","6","5","2","3","5","1") = "6"
    & skf21("1","7","6","5","2","3","6","1") = "6"
    & skf21("1","7","6","5","2","3","7","1") = "6"
    & skf21("1","7","6","5","2","4","1","1") = "6"
    & skf21("1","7","6","5","2","4","2","1") = "6"
    & skf21("1","7","6","5","2","4","3","1") = "6"
    & skf21("1","7","6","5","2","4","4","1") = "6"
    & skf21("1","7","6","5","2","4","5","1") = "6"
    & skf21("1","7","6","5","2","4","6","1") = "6"
    & skf21("1","7","6","5","2","4","7","1") = "6"
    & skf21("1","7","6","5","2","5","1","1") = "6"
    & skf21("1","7","6","5","2","5","2","1") = "6"
    & skf21("1","7","6","5","2","5","3","1") = "6"
    & skf21("1","7","6","5","2","5","4","1") = "6"
    & skf21("1","7","6","5","2","5","5","1") = "6"
    & skf21("1","7","6","5","2","5","6","1") = "6"
    & skf21("1","7","6","5","2","5","7","1") = "6"
    & skf21("1","7","6","5","2","6","1","1") = "6"
    & skf21("1","7","6","5","2","6","2","1") = "6"
    & skf21("1","7","6","5","2","6","3","1") = "6"
    & skf21("1","7","6","5","2","6","4","1") = "6"
    & skf21("1","7","6","5","2","6","5","1") = "6"
    & skf21("1","7","6","5","2","6","6","1") = "6"
    & skf21("1","7","6","5","2","6","7","1") = "6"
    & skf21("1","7","6","5","2","7","1","1") = "6"
    & skf21("1","7","6","5","2","7","2","1") = "6"
    & skf21("1","7","6","5","2","7","3","1") = "6"
    & skf21("1","7","6","5","2","7","4","1") = "6"
    & skf21("1","7","6","5","2","7","5","1") = "6"
    & skf21("1","7","6","5","2","7","6","1") = "6"
    & skf21("1","7","6","5","2","7","7","1") = "6"
    & skf21("1","7","6","5","3","1","1","1") = "6"
    & skf21("1","7","6","5","3","1","2","1") = "6"
    & skf21("1","7","6","5","3","1","3","1") = "6"
    & skf21("1","7","6","5","3","1","4","1") = "6"
    & skf21("1","7","6","5","3","1","5","1") = "6"
    & skf21("1","7","6","5","3","1","6","1") = "6"
    & skf21("1","7","6","5","3","1","7","1") = "6"
    & skf21("1","7","6","5","3","2","1","1") = "6"
    & skf21("1","7","6","5","3","2","2","1") = "6"
    & skf21("1","7","6","5","3","2","3","1") = "6"
    & skf21("1","7","6","5","3","2","4","1") = "6"
    & skf21("1","7","6","5","3","2","5","1") = "6"
    & skf21("1","7","6","5","3","2","6","1") = "6"
    & skf21("1","7","6","5","3","2","7","1") = "6"
    & skf21("1","7","6","5","3","3","1","1") = "6"
    & skf21("1","7","6","5","3","3","2","1") = "6"
    & skf21("1","7","6","5","3","3","3","1") = "6"
    & skf21("1","7","6","5","3","3","4","1") = "6"
    & skf21("1","7","6","5","3","3","5","1") = "6"
    & skf21("1","7","6","5","3","3","6","1") = "6"
    & skf21("1","7","6","5","3","3","7","1") = "6"
    & skf21("1","7","6","5","3","4","1","1") = "6"
    & skf21("1","7","6","5","3","4","2","1") = "6"
    & skf21("1","7","6","5","3","4","3","1") = "6"
    & skf21("1","7","6","5","3","4","4","1") = "6"
    & skf21("1","7","6","5","3","4","5","1") = "6"
    & skf21("1","7","6","5","3","4","6","1") = "6"
    & skf21("1","7","6","5","3","4","7","1") = "6"
    & skf21("1","7","6","5","3","5","1","1") = "6"
    & skf21("1","7","6","5","3","5","2","1") = "6"
    & skf21("1","7","6","5","3","5","3","1") = "6"
    & skf21("1","7","6","5","3","5","4","1") = "6"
    & skf21("1","7","6","5","3","5","5","1") = "6"
    & skf21("1","7","6","5","3","5","6","1") = "6"
    & skf21("1","7","6","5","3","5","7","1") = "6"
    & skf21("1","7","6","5","3","6","1","1") = "6"
    & skf21("1","7","6","5","3","6","2","1") = "6"
    & skf21("1","7","6","5","3","6","3","1") = "6"
    & skf21("1","7","6","5","3","6","4","1") = "6"
    & skf21("1","7","6","5","3","6","5","1") = "6"
    & skf21("1","7","6","5","3","6","6","1") = "6"
    & skf21("1","7","6","5","3","6","7","1") = "6"
    & skf21("1","7","6","5","3","7","1","1") = "6"
    & skf21("1","7","6","5","3","7","2","1") = "6"
    & skf21("1","7","6","5","3","7","3","1") = "6"
    & skf21("1","7","6","5","3","7","4","1") = "6"
    & skf21("1","7","6","5","3","7","5","1") = "6"
    & skf21("1","7","6","5","3","7","6","1") = "6"
    & skf21("1","7","6","5","3","7","7","1") = "6"
    & skf21("1","7","6","5","4","1","1","1") = "6"
    & skf21("1","7","6","5","4","1","2","1") = "6"
    & skf21("1","7","6","5","4","1","3","1") = "6"
    & skf21("1","7","6","5","4","1","4","1") = "6"
    & skf21("1","7","6","5","4","1","5","1") = "6"
    & skf21("1","7","6","5","4","1","6","1") = "6"
    & skf21("1","7","6","5","4","1","7","1") = "6"
    & skf21("1","7","6","5","4","2","1","1") = "6"
    & skf21("1","7","6","5","4","2","2","1") = "6"
    & skf21("1","7","6","5","4","2","3","1") = "6"
    & skf21("1","7","6","5","4","2","4","1") = "6"
    & skf21("1","7","6","5","4","2","5","1") = "6"
    & skf21("1","7","6","5","4","2","6","1") = "6"
    & skf21("1","7","6","5","4","2","7","1") = "6"
    & skf21("1","7","6","5","4","3","1","1") = "6"
    & skf21("1","7","6","5","4","3","2","1") = "6"
    & skf21("1","7","6","5","4","3","3","1") = "6"
    & skf21("1","7","6","5","4","3","4","1") = "6"
    & skf21("1","7","6","5","4","3","5","1") = "6"
    & skf21("1","7","6","5","4","3","6","1") = "6"
    & skf21("1","7","6","5","4","3","7","1") = "6"
    & skf21("1","7","6","5","4","4","1","1") = "6"
    & skf21("1","7","6","5","4","4","2","1") = "6"
    & skf21("1","7","6","5","4","4","3","1") = "6"
    & skf21("1","7","6","5","4","4","4","1") = "6"
    & skf21("1","7","6","5","4","4","5","1") = "6"
    & skf21("1","7","6","5","4","4","6","1") = "6"
    & skf21("1","7","6","5","4","4","7","1") = "6"
    & skf21("1","7","6","5","4","5","1","1") = "6"
    & skf21("1","7","6","5","4","5","2","1") = "6"
    & skf21("1","7","6","5","4","5","3","1") = "6"
    & skf21("1","7","6","5","4","5","4","1") = "6"
    & skf21("1","7","6","5","4","5","5","1") = "6"
    & skf21("1","7","6","5","4","5","6","1") = "6"
    & skf21("1","7","6","5","4","5","7","1") = "6"
    & skf21("1","7","6","5","4","6","1","1") = "6"
    & skf21("1","7","6","5","4","6","2","1") = "6"
    & skf21("1","7","6","5","4","6","3","1") = "6"
    & skf21("1","7","6","5","4","6","4","1") = "6"
    & skf21("1","7","6","5","4","6","5","1") = "6"
    & skf21("1","7","6","5","4","6","6","1") = "6"
    & skf21("1","7","6","5","4","6","7","1") = "6"
    & skf21("1","7","6","5","4","7","1","1") = "6"
    & skf21("1","7","6","5","4","7","2","1") = "6"
    & skf21("1","7","6","5","4","7","3","1") = "6"
    & skf21("1","7","6","5","4","7","4","1") = "6"
    & skf21("1","7","6","5","4","7","5","1") = "6"
    & skf21("1","7","6","5","4","7","6","1") = "6"
    & skf21("1","7","6","5","4","7","7","1") = "6"
    & skf21("1","7","6","5","5","1","1","1") = "6"
    & skf21("1","7","6","5","5","1","2","1") = "6"
    & skf21("1","7","6","5","5","1","3","1") = "6"
    & skf21("1","7","6","5","5","1","4","1") = "6"
    & skf21("1","7","6","5","5","1","5","1") = "6"
    & skf21("1","7","6","5","5","1","6","1") = "6"
    & skf21("1","7","6","5","5","1","7","1") = "6"
    & skf21("1","7","6","5","5","2","1","1") = "6"
    & skf21("1","7","6","5","5","2","2","1") = "6"
    & skf21("1","7","6","5","5","2","3","1") = "6"
    & skf21("1","7","6","5","5","2","4","1") = "6"
    & skf21("1","7","6","5","5","2","5","1") = "6"
    & skf21("1","7","6","5","5","2","6","1") = "6"
    & skf21("1","7","6","5","5","2","7","1") = "6"
    & skf21("1","7","6","5","5","3","1","1") = "6"
    & skf21("1","7","6","5","5","3","2","1") = "6"
    & skf21("1","7","6","5","5","3","3","1") = "6"
    & skf21("1","7","6","5","5","3","4","1") = "6"
    & skf21("1","7","6","5","5","3","5","1") = "6"
    & skf21("1","7","6","5","5","3","6","1") = "6"
    & skf21("1","7","6","5","5","3","7","1") = "6"
    & skf21("1","7","6","5","5","4","1","1") = "6"
    & skf21("1","7","6","5","5","4","2","1") = "6"
    & skf21("1","7","6","5","5","4","3","1") = "6"
    & skf21("1","7","6","5","5","4","4","1") = "6"
    & skf21("1","7","6","5","5","4","5","1") = "6"
    & skf21("1","7","6","5","5","4","6","1") = "6"
    & skf21("1","7","6","5","5","4","7","1") = "6"
    & skf21("1","7","6","5","5","5","1","1") = "6"
    & skf21("1","7","6","5","5","5","2","1") = "6"
    & skf21("1","7","6","5","5","5","3","1") = "6"
    & skf21("1","7","6","5","5","5","4","1") = "6"
    & skf21("1","7","6","5","5","5","5","1") = "6"
    & skf21("1","7","6","5","5","5","6","1") = "6"
    & skf21("1","7","6","5","5","5","7","1") = "6"
    & skf21("1","7","6","5","5","6","1","1") = "6"
    & skf21("1","7","6","5","5","6","2","1") = "6"
    & skf21("1","7","6","5","5","6","3","1") = "6"
    & skf21("1","7","6","5","5","6","4","1") = "6"
    & skf21("1","7","6","5","5","6","5","1") = "6"
    & skf21("1","7","6","5","5","6","6","1") = "6"
    & skf21("1","7","6","5","5","6","7","1") = "6"
    & skf21("1","7","6","5","5","7","1","1") = "6"
    & skf21("1","7","6","5","5","7","2","1") = "6"
    & skf21("1","7","6","5","5","7","3","1") = "6"
    & skf21("1","7","6","5","5","7","4","1") = "6"
    & skf21("1","7","6","5","5","7","5","1") = "6"
    & skf21("1","7","6","5","5","7","6","1") = "6"
    & skf21("1","7","6","5","5","7","7","1") = "6"
    & skf21("1","7","6","5","6","1","1","1") = "6"
    & skf21("1","7","6","5","6","1","2","1") = "6"
    & skf21("1","7","6","5","6","1","3","1") = "6"
    & skf21("1","7","6","5","6","1","4","1") = "6"
    & skf21("1","7","6","5","6","1","5","1") = "6"
    & skf21("1","7","6","5","6","1","6","1") = "6"
    & skf21("1","7","6","5","6","1","7","1") = "6"
    & skf21("1","7","6","5","6","2","1","1") = "6"
    & skf21("1","7","6","5","6","2","2","1") = "6"
    & skf21("1","7","6","5","6","2","3","1") = "6"
    & skf21("1","7","6","5","6","2","4","1") = "6"
    & skf21("1","7","6","5","6","2","5","1") = "6"
    & skf21("1","7","6","5","6","2","6","1") = "6"
    & skf21("1","7","6","5","6","2","7","1") = "6"
    & skf21("1","7","6","5","6","3","1","1") = "6"
    & skf21("1","7","6","5","6","3","2","1") = "6"
    & skf21("1","7","6","5","6","3","3","1") = "6"
    & skf21("1","7","6","5","6","3","4","1") = "6"
    & skf21("1","7","6","5","6","3","5","1") = "6"
    & skf21("1","7","6","5","6","3","6","1") = "6"
    & skf21("1","7","6","5","6","3","7","1") = "6"
    & skf21("1","7","6","5","6","4","1","1") = "6"
    & skf21("1","7","6","5","6","4","2","1") = "6"
    & skf21("1","7","6","5","6","4","3","1") = "6"
    & skf21("1","7","6","5","6","4","4","1") = "6"
    & skf21("1","7","6","5","6","4","5","1") = "6"
    & skf21("1","7","6","5","6","4","6","1") = "6"
    & skf21("1","7","6","5","6","4","7","1") = "6"
    & skf21("1","7","6","5","6","5","1","1") = "6"
    & skf21("1","7","6","5","6","5","2","1") = "6"
    & skf21("1","7","6","5","6","5","3","1") = "6"
    & skf21("1","7","6","5","6","5","4","1") = "6"
    & skf21("1","7","6","5","6","5","5","1") = "6"
    & skf21("1","7","6","5","6","5","6","1") = "6"
    & skf21("1","7","6","5","6","5","7","1") = "6"
    & skf21("1","7","6","5","6","6","1","1") = "6"
    & skf21("1","7","6","5","6","6","2","1") = "6"
    & skf21("1","7","6","5","6","6","3","1") = "6"
    & skf21("1","7","6","5","6","6","4","1") = "6"
    & skf21("1","7","6","5","6","6","5","1") = "6"
    & skf21("1","7","6","5","6","6","6","1") = "6"
    & skf21("1","7","6","5","6","6","7","1") = "6"
    & skf21("1","7","6","5","6","7","1","1") = "6"
    & skf21("1","7","6","5","6","7","2","1") = "6"
    & skf21("1","7","6","5","6","7","3","1") = "6"
    & skf21("1","7","6","5","6","7","4","1") = "6"
    & skf21("1","7","6","5","6","7","5","1") = "6"
    & skf21("1","7","6","5","6","7","6","1") = "6"
    & skf21("1","7","6","5","6","7","7","1") = "6"
    & skf21("1","7","6","5","7","1","1","1") = "6"
    & skf21("1","7","6","5","7","1","2","1") = "6"
    & skf21("1","7","6","5","7","1","3","1") = "6"
    & skf21("1","7","6","5","7","1","4","1") = "6"
    & skf21("1","7","6","5","7","1","5","1") = "6"
    & skf21("1","7","6","5","7","1","6","1") = "6"
    & skf21("1","7","6","5","7","1","7","1") = "6"
    & skf21("1","7","6","5","7","2","1","1") = "6"
    & skf21("1","7","6","5","7","2","2","1") = "6"
    & skf21("1","7","6","5","7","2","3","1") = "6"
    & skf21("1","7","6","5","7","2","4","1") = "6"
    & skf21("1","7","6","5","7","2","5","1") = "6"
    & skf21("1","7","6","5","7","2","6","1") = "6"
    & skf21("1","7","6","5","7","2","7","1") = "6"
    & skf21("1","7","6","5","7","3","1","1") = "6"
    & skf21("1","7","6","5","7","3","2","1") = "6"
    & skf21("1","7","6","5","7","3","3","1") = "6"
    & skf21("1","7","6","5","7","3","4","1") = "6"
    & skf21("1","7","6","5","7","3","5","1") = "6"
    & skf21("1","7","6","5","7","3","6","1") = "6"
    & skf21("1","7","6","5","7","3","7","1") = "6"
    & skf21("1","7","6","5","7","4","1","1") = "6"
    & skf21("1","7","6","5","7","4","2","1") = "6"
    & skf21("1","7","6","5","7","4","3","1") = "6"
    & skf21("1","7","6","5","7","4","4","1") = "6"
    & skf21("1","7","6","5","7","4","5","1") = "6"
    & skf21("1","7","6","5","7","4","6","1") = "6"
    & skf21("1","7","6","5","7","4","7","1") = "6"
    & skf21("1","7","6","5","7","5","1","1") = "6"
    & skf21("1","7","6","5","7","5","2","1") = "6"
    & skf21("1","7","6","5","7","5","3","1") = "6"
    & skf21("1","7","6","5","7","5","4","1") = "6"
    & skf21("1","7","6","5","7","5","5","1") = "6"
    & skf21("1","7","6","5","7","5","6","1") = "6"
    & skf21("1","7","6","5","7","5","7","1") = "6"
    & skf21("1","7","6","5","7","6","1","1") = "6"
    & skf21("1","7","6","5","7","6","2","1") = "6"
    & skf21("1","7","6","5","7","6","3","1") = "6"
    & skf21("1","7","6","5","7","6","4","1") = "6"
    & skf21("1","7","6","5","7","6","5","1") = "6"
    & skf21("1","7","6","5","7","6","6","1") = "6"
    & skf21("1","7","6","5","7","6","7","1") = "6"
    & skf21("1","7","6","5","7","7","1","1") = "6"
    & skf21("1","7","6","5","7","7","2","1") = "6"
    & skf21("1","7","6","5","7","7","3","1") = "6"
    & skf21("1","7","6","5","7","7","4","1") = "6"
    & skf21("1","7","6","5","7","7","5","1") = "6"
    & skf21("1","7","6","5","7","7","6","1") = "6"
    & skf21("1","7","6","5","7","7","7","1") = "6"
    & skf21("1","7","6","6","1","1","1","1") = "6"
    & skf21("1","7","6","6","1","1","2","1") = "6"
    & skf21("1","7","6","6","1","1","3","1") = "6"
    & skf21("1","7","6","6","1","1","4","1") = "6"
    & skf21("1","7","6","6","1","1","5","1") = "6"
    & skf21("1","7","6","6","1","1","6","1") = "6"
    & skf21("1","7","6","6","1","1","7","1") = "6"
    & skf21("1","7","6","6","1","2","1","1") = "6"
    & skf21("1","7","6","6","1","2","2","1") = "6"
    & skf21("1","7","6","6","1","2","3","1") = "6"
    & skf21("1","7","6","6","1","2","4","1") = "6"
    & skf21("1","7","6","6","1","2","5","1") = "6"
    & skf21("1","7","6","6","1","2","6","1") = "6"
    & skf21("1","7","6","6","1","2","7","1") = "6"
    & skf21("1","7","6","6","1","3","1","1") = "6"
    & skf21("1","7","6","6","1","3","2","1") = "6"
    & skf21("1","7","6","6","1","3","3","1") = "6"
    & skf21("1","7","6","6","1","3","4","1") = "6"
    & skf21("1","7","6","6","1","3","5","1") = "6"
    & skf21("1","7","6","6","1","3","6","1") = "6"
    & skf21("1","7","6","6","1","3","7","1") = "6"
    & skf21("1","7","6","6","1","4","1","1") = "6"
    & skf21("1","7","6","6","1","4","2","1") = "6"
    & skf21("1","7","6","6","1","4","3","1") = "6"
    & skf21("1","7","6","6","1","4","4","1") = "6"
    & skf21("1","7","6","6","1","4","5","1") = "6"
    & skf21("1","7","6","6","1","4","6","1") = "6"
    & skf21("1","7","6","6","1","4","7","1") = "6"
    & skf21("1","7","6","6","1","5","1","1") = "6"
    & skf21("1","7","6","6","1","5","2","1") = "6"
    & skf21("1","7","6","6","1","5","3","1") = "6"
    & skf21("1","7","6","6","1","5","4","1") = "6"
    & skf21("1","7","6","6","1","5","5","1") = "6"
    & skf21("1","7","6","6","1","5","6","1") = "6"
    & skf21("1","7","6","6","1","5","7","1") = "6"
    & skf21("1","7","6","6","1","6","1","1") = "6"
    & skf21("1","7","6","6","1","6","2","1") = "6"
    & skf21("1","7","6","6","1","6","3","1") = "6"
    & skf21("1","7","6","6","1","6","4","1") = "6"
    & skf21("1","7","6","6","1","6","5","1") = "6"
    & skf21("1","7","6","6","1","6","6","1") = "6"
    & skf21("1","7","6","6","1","6","7","1") = "6"
    & skf21("1","7","6","6","1","7","1","1") = "6"
    & skf21("1","7","6","6","1","7","2","1") = "6"
    & skf21("1","7","6","6","1","7","3","1") = "6"
    & skf21("1","7","6","6","1","7","4","1") = "6"
    & skf21("1","7","6","6","1","7","5","1") = "6"
    & skf21("1","7","6","6","1","7","6","1") = "6"
    & skf21("1","7","6","6","1","7","7","1") = "6"
    & skf21("1","7","6","6","2","1","1","1") = "6"
    & skf21("1","7","6","6","2","1","2","1") = "6"
    & skf21("1","7","6","6","2","1","3","1") = "6"
    & skf21("1","7","6","6","2","1","4","1") = "6"
    & skf21("1","7","6","6","2","1","5","1") = "6"
    & skf21("1","7","6","6","2","1","6","1") = "6"
    & skf21("1","7","6","6","2","1","7","1") = "6"
    & skf21("1","7","6","6","2","2","1","1") = "6"
    & skf21("1","7","6","6","2","2","2","1") = "6"
    & skf21("1","7","6","6","2","2","3","1") = "6"
    & skf21("1","7","6","6","2","2","4","1") = "6"
    & skf21("1","7","6","6","2","2","5","1") = "6"
    & skf21("1","7","6","6","2","2","6","1") = "6"
    & skf21("1","7","6","6","2","2","7","1") = "6"
    & skf21("1","7","6","6","2","3","1","1") = "6"
    & skf21("1","7","6","6","2","3","2","1") = "6"
    & skf21("1","7","6","6","2","3","3","1") = "6"
    & skf21("1","7","6","6","2","3","4","1") = "6"
    & skf21("1","7","6","6","2","3","5","1") = "6"
    & skf21("1","7","6","6","2","3","6","1") = "6"
    & skf21("1","7","6","6","2","3","7","1") = "6"
    & skf21("1","7","6","6","2","4","1","1") = "6"
    & skf21("1","7","6","6","2","4","2","1") = "6"
    & skf21("1","7","6","6","2","4","3","1") = "6"
    & skf21("1","7","6","6","2","4","4","1") = "6"
    & skf21("1","7","6","6","2","4","5","1") = "6"
    & skf21("1","7","6","6","2","4","6","1") = "6"
    & skf21("1","7","6","6","2","4","7","1") = "6"
    & skf21("1","7","6","6","2","5","1","1") = "6"
    & skf21("1","7","6","6","2","5","2","1") = "6"
    & skf21("1","7","6","6","2","5","3","1") = "6"
    & skf21("1","7","6","6","2","5","4","1") = "6"
    & skf21("1","7","6","6","2","5","5","1") = "6"
    & skf21("1","7","6","6","2","5","6","1") = "6"
    & skf21("1","7","6","6","2","5","7","1") = "6"
    & skf21("1","7","6","6","2","6","1","1") = "6"
    & skf21("1","7","6","6","2","6","2","1") = "6"
    & skf21("1","7","6","6","2","6","3","1") = "6"
    & skf21("1","7","6","6","2","6","4","1") = "6"
    & skf21("1","7","6","6","2","6","5","1") = "6"
    & skf21("1","7","6","6","2","6","6","1") = "6"
    & skf21("1","7","6","6","2","6","7","1") = "6"
    & skf21("1","7","6","6","2","7","1","1") = "6"
    & skf21("1","7","6","6","2","7","2","1") = "6"
    & skf21("1","7","6","6","2","7","3","1") = "6"
    & skf21("1","7","6","6","2","7","4","1") = "6"
    & skf21("1","7","6","6","2","7","5","1") = "6"
    & skf21("1","7","6","6","2","7","6","1") = "6"
    & skf21("1","7","6","6","2","7","7","1") = "6"
    & skf21("1","7","6","6","3","1","1","1") = "6"
    & skf21("1","7","6","6","3","1","2","1") = "6"
    & skf21("1","7","6","6","3","1","3","1") = "6"
    & skf21("1","7","6","6","3","1","4","1") = "6"
    & skf21("1","7","6","6","3","1","5","1") = "6"
    & skf21("1","7","6","6","3","1","6","1") = "6"
    & skf21("1","7","6","6","3","1","7","1") = "6"
    & skf21("1","7","6","6","3","2","1","1") = "6"
    & skf21("1","7","6","6","3","2","2","1") = "6"
    & skf21("1","7","6","6","3","2","3","1") = "6"
    & skf21("1","7","6","6","3","2","4","1") = "6"
    & skf21("1","7","6","6","3","2","5","1") = "6"
    & skf21("1","7","6","6","3","2","6","1") = "6"
    & skf21("1","7","6","6","3","2","7","1") = "6"
    & skf21("1","7","6","6","3","3","1","1") = "6"
    & skf21("1","7","6","6","3","3","2","1") = "6"
    & skf21("1","7","6","6","3","3","3","1") = "6"
    & skf21("1","7","6","6","3","3","4","1") = "6"
    & skf21("1","7","6","6","3","3","5","1") = "6"
    & skf21("1","7","6","6","3","3","6","1") = "6"
    & skf21("1","7","6","6","3","3","7","1") = "6"
    & skf21("1","7","6","6","3","4","1","1") = "6"
    & skf21("1","7","6","6","3","4","2","1") = "6"
    & skf21("1","7","6","6","3","4","3","1") = "6"
    & skf21("1","7","6","6","3","4","4","1") = "6"
    & skf21("1","7","6","6","3","4","5","1") = "6"
    & skf21("1","7","6","6","3","4","6","1") = "6"
    & skf21("1","7","6","6","3","4","7","1") = "6"
    & skf21("1","7","6","6","3","5","1","1") = "6"
    & skf21("1","7","6","6","3","5","2","1") = "6"
    & skf21("1","7","6","6","3","5","3","1") = "6"
    & skf21("1","7","6","6","3","5","4","1") = "6"
    & skf21("1","7","6","6","3","5","5","1") = "6"
    & skf21("1","7","6","6","3","5","6","1") = "6"
    & skf21("1","7","6","6","3","5","7","1") = "6"
    & skf21("1","7","6","6","3","6","1","1") = "6"
    & skf21("1","7","6","6","3","6","2","1") = "6"
    & skf21("1","7","6","6","3","6","3","1") = "6"
    & skf21("1","7","6","6","3","6","4","1") = "6"
    & skf21("1","7","6","6","3","6","5","1") = "6"
    & skf21("1","7","6","6","3","6","6","1") = "6"
    & skf21("1","7","6","6","3","6","7","1") = "6"
    & skf21("1","7","6","6","3","7","1","1") = "6"
    & skf21("1","7","6","6","3","7","2","1") = "6"
    & skf21("1","7","6","6","3","7","3","1") = "6"
    & skf21("1","7","6","6","3","7","4","1") = "6"
    & skf21("1","7","6","6","3","7","5","1") = "6"
    & skf21("1","7","6","6","3","7","6","1") = "6"
    & skf21("1","7","6","6","3","7","7","1") = "6"
    & skf21("1","7","6","6","4","1","1","1") = "6"
    & skf21("1","7","6","6","4","1","2","1") = "6"
    & skf21("1","7","6","6","4","1","3","1") = "6"
    & skf21("1","7","6","6","4","1","4","1") = "6"
    & skf21("1","7","6","6","4","1","5","1") = "6"
    & skf21("1","7","6","6","4","1","6","1") = "6"
    & skf21("1","7","6","6","4","1","7","1") = "6"
    & skf21("1","7","6","6","4","2","1","1") = "6"
    & skf21("1","7","6","6","4","2","2","1") = "6"
    & skf21("1","7","6","6","4","2","3","1") = "6"
    & skf21("1","7","6","6","4","2","4","1") = "6"
    & skf21("1","7","6","6","4","2","5","1") = "6"
    & skf21("1","7","6","6","4","2","6","1") = "6"
    & skf21("1","7","6","6","4","2","7","1") = "6"
    & skf21("1","7","6","6","4","3","1","1") = "6"
    & skf21("1","7","6","6","4","3","2","1") = "6"
    & skf21("1","7","6","6","4","3","3","1") = "6"
    & skf21("1","7","6","6","4","3","4","1") = "6"
    & skf21("1","7","6","6","4","3","5","1") = "6"
    & skf21("1","7","6","6","4","3","6","1") = "6"
    & skf21("1","7","6","6","4","3","7","1") = "6"
    & skf21("1","7","6","6","4","4","1","1") = "6"
    & skf21("1","7","6","6","4","4","2","1") = "6"
    & skf21("1","7","6","6","4","4","3","1") = "6"
    & skf21("1","7","6","6","4","4","4","1") = "6"
    & skf21("1","7","6","6","4","4","5","1") = "6"
    & skf21("1","7","6","6","4","4","6","1") = "6"
    & skf21("1","7","6","6","4","4","7","1") = "6"
    & skf21("1","7","6","6","4","5","1","1") = "6"
    & skf21("1","7","6","6","4","5","2","1") = "6"
    & skf21("1","7","6","6","4","5","3","1") = "6"
    & skf21("1","7","6","6","4","5","4","1") = "6"
    & skf21("1","7","6","6","4","5","5","1") = "6"
    & skf21("1","7","6","6","4","5","6","1") = "6"
    & skf21("1","7","6","6","4","5","7","1") = "6"
    & skf21("1","7","6","6","4","6","1","1") = "6"
    & skf21("1","7","6","6","4","6","2","1") = "6"
    & skf21("1","7","6","6","4","6","3","1") = "6"
    & skf21("1","7","6","6","4","6","4","1") = "6"
    & skf21("1","7","6","6","4","6","5","1") = "6"
    & skf21("1","7","6","6","4","6","6","1") = "6"
    & skf21("1","7","6","6","4","6","7","1") = "6"
    & skf21("1","7","6","6","4","7","1","1") = "6"
    & skf21("1","7","6","6","4","7","2","1") = "6"
    & skf21("1","7","6","6","4","7","3","1") = "6"
    & skf21("1","7","6","6","4","7","4","1") = "6"
    & skf21("1","7","6","6","4","7","5","1") = "6"
    & skf21("1","7","6","6","4","7","6","1") = "6"
    & skf21("1","7","6","6","4","7","7","1") = "6"
    & skf21("1","7","6","6","5","1","1","1") = "6"
    & skf21("1","7","6","6","5","1","2","1") = "6"
    & skf21("1","7","6","6","5","1","3","1") = "6"
    & skf21("1","7","6","6","5","1","4","1") = "6"
    & skf21("1","7","6","6","5","1","5","1") = "6"
    & skf21("1","7","6","6","5","1","6","1") = "6"
    & skf21("1","7","6","6","5","1","7","1") = "6"
    & skf21("1","7","6","6","5","2","1","1") = "6"
    & skf21("1","7","6","6","5","2","2","1") = "6"
    & skf21("1","7","6","6","5","2","3","1") = "6"
    & skf21("1","7","6","6","5","2","4","1") = "6"
    & skf21("1","7","6","6","5","2","5","1") = "6"
    & skf21("1","7","6","6","5","2","6","1") = "6"
    & skf21("1","7","6","6","5","2","7","1") = "6"
    & skf21("1","7","6","6","5","3","1","1") = "6"
    & skf21("1","7","6","6","5","3","2","1") = "6"
    & skf21("1","7","6","6","5","3","3","1") = "6"
    & skf21("1","7","6","6","5","3","4","1") = "6"
    & skf21("1","7","6","6","5","3","5","1") = "6"
    & skf21("1","7","6","6","5","3","6","1") = "6"
    & skf21("1","7","6","6","5","3","7","1") = "6"
    & skf21("1","7","6","6","5","4","1","1") = "6"
    & skf21("1","7","6","6","5","4","2","1") = "6"
    & skf21("1","7","6","6","5","4","3","1") = "6"
    & skf21("1","7","6","6","5","4","4","1") = "6"
    & skf21("1","7","6","6","5","4","5","1") = "6"
    & skf21("1","7","6","6","5","4","6","1") = "6"
    & skf21("1","7","6","6","5","4","7","1") = "6"
    & skf21("1","7","6","6","5","5","1","1") = "6"
    & skf21("1","7","6","6","5","5","2","1") = "6"
    & skf21("1","7","6","6","5","5","3","1") = "6"
    & skf21("1","7","6","6","5","5","4","1") = "6"
    & skf21("1","7","6","6","5","5","5","1") = "6"
    & skf21("1","7","6","6","5","5","6","1") = "6"
    & skf21("1","7","6","6","5","5","7","1") = "6"
    & skf21("1","7","6","6","5","6","1","1") = "6"
    & skf21("1","7","6","6","5","6","2","1") = "6"
    & skf21("1","7","6","6","5","6","3","1") = "6"
    & skf21("1","7","6","6","5","6","4","1") = "6"
    & skf21("1","7","6","6","5","6","5","1") = "6"
    & skf21("1","7","6","6","5","6","6","1") = "6"
    & skf21("1","7","6","6","5","6","7","1") = "6"
    & skf21("1","7","6","6","5","7","1","1") = "6"
    & skf21("1","7","6","6","5","7","2","1") = "6"
    & skf21("1","7","6","6","5","7","3","1") = "6"
    & skf21("1","7","6","6","5","7","4","1") = "6"
    & skf21("1","7","6","6","5","7","5","1") = "6"
    & skf21("1","7","6","6","5","7","6","1") = "6"
    & skf21("1","7","6","6","5","7","7","1") = "6"
    & skf21("1","7","6","6","6","1","1","1") = "6"
    & skf21("1","7","6","6","6","1","2","1") = "6"
    & skf21("1","7","6","6","6","1","3","1") = "6"
    & skf21("1","7","6","6","6","1","4","1") = "6"
    & skf21("1","7","6","6","6","1","5","1") = "6"
    & skf21("1","7","6","6","6","1","6","1") = "6"
    & skf21("1","7","6","6","6","1","7","1") = "6"
    & skf21("1","7","6","6","6","2","1","1") = "6"
    & skf21("1","7","6","6","6","2","2","1") = "6"
    & skf21("1","7","6","6","6","2","3","1") = "6"
    & skf21("1","7","6","6","6","2","4","1") = "6"
    & skf21("1","7","6","6","6","2","5","1") = "6"
    & skf21("1","7","6","6","6","2","6","1") = "6"
    & skf21("1","7","6","6","6","2","7","1") = "6"
    & skf21("1","7","6","6","6","3","1","1") = "6"
    & skf21("1","7","6","6","6","3","2","1") = "6"
    & skf21("1","7","6","6","6","3","3","1") = "6"
    & skf21("1","7","6","6","6","3","4","1") = "6"
    & skf21("1","7","6","6","6","3","5","1") = "6"
    & skf21("1","7","6","6","6","3","6","1") = "6"
    & skf21("1","7","6","6","6","3","7","1") = "6"
    & skf21("1","7","6","6","6","4","1","1") = "6"
    & skf21("1","7","6","6","6","4","2","1") = "6"
    & skf21("1","7","6","6","6","4","3","1") = "6"
    & skf21("1","7","6","6","6","4","4","1") = "6"
    & skf21("1","7","6","6","6","4","5","1") = "6"
    & skf21("1","7","6","6","6","4","6","1") = "6"
    & skf21("1","7","6","6","6","4","7","1") = "6"
    & skf21("1","7","6","6","6","5","1","1") = "6"
    & skf21("1","7","6","6","6","5","2","1") = "6"
    & skf21("1","7","6","6","6","5","3","1") = "6"
    & skf21("1","7","6","6","6","5","4","1") = "6"
    & skf21("1","7","6","6","6","5","5","1") = "6"
    & skf21("1","7","6","6","6","5","6","1") = "6"
    & skf21("1","7","6","6","6","5","7","1") = "6"
    & skf21("1","7","6","6","6","6","1","1") = "6"
    & skf21("1","7","6","6","6","6","2","1") = "6"
    & skf21("1","7","6","6","6","6","3","1") = "6"
    & skf21("1","7","6","6","6","6","4","1") = "6"
    & skf21("1","7","6","6","6","6","5","1") = "6"
    & skf21("1","7","6","6","6","6","6","1") = "6"
    & skf21("1","7","6","6","6","6","7","1") = "6"
    & skf21("1","7","6","6","6","7","1","1") = "6"
    & skf21("1","7","6","6","6","7","2","1") = "6"
    & skf21("1","7","6","6","6","7","3","1") = "6"
    & skf21("1","7","6","6","6","7","4","1") = "6"
    & skf21("1","7","6","6","6","7","5","1") = "6"
    & skf21("1","7","6","6","6","7","6","1") = "6"
    & skf21("1","7","6","6","6","7","7","1") = "6"
    & skf21("1","7","6","6","7","1","1","1") = "6"
    & skf21("1","7","6","6","7","1","2","1") = "6"
    & skf21("1","7","6","6","7","1","3","1") = "6"
    & skf21("1","7","6","6","7","1","4","1") = "6"
    & skf21("1","7","6","6","7","1","5","1") = "6"
    & skf21("1","7","6","6","7","1","6","1") = "6"
    & skf21("1","7","6","6","7","1","7","1") = "6"
    & skf21("1","7","6","6","7","2","1","1") = "6"
    & skf21("1","7","6","6","7","2","2","1") = "6"
    & skf21("1","7","6","6","7","2","3","1") = "6"
    & skf21("1","7","6","6","7","2","4","1") = "6"
    & skf21("1","7","6","6","7","2","5","1") = "6"
    & skf21("1","7","6","6","7","2","6","1") = "6"
    & skf21("1","7","6","6","7","2","7","1") = "6"
    & skf21("1","7","6","6","7","3","1","1") = "6"
    & skf21("1","7","6","6","7","3","2","1") = "6"
    & skf21("1","7","6","6","7","3","3","1") = "6"
    & skf21("1","7","6","6","7","3","4","1") = "6"
    & skf21("1","7","6","6","7","3","5","1") = "6"
    & skf21("1","7","6","6","7","3","6","1") = "6"
    & skf21("1","7","6","6","7","3","7","1") = "6"
    & skf21("1","7","6","6","7","4","1","1") = "6"
    & skf21("1","7","6","6","7","4","2","1") = "6"
    & skf21("1","7","6","6","7","4","3","1") = "6"
    & skf21("1","7","6","6","7","4","4","1") = "6"
    & skf21("1","7","6","6","7","4","5","1") = "6"
    & skf21("1","7","6","6","7","4","6","1") = "6"
    & skf21("1","7","6","6","7","4","7","1") = "6"
    & skf21("1","7","6","6","7","5","1","1") = "6"
    & skf21("1","7","6","6","7","5","2","1") = "6"
    & skf21("1","7","6","6","7","5","3","1") = "6"
    & skf21("1","7","6","6","7","5","4","1") = "6"
    & skf21("1","7","6","6","7","5","5","1") = "6"
    & skf21("1","7","6","6","7","5","6","1") = "6"
    & skf21("1","7","6","6","7","5","7","1") = "6"
    & skf21("1","7","6","6","7","6","1","1") = "6"
    & skf21("1","7","6","6","7","6","2","1") = "6"
    & skf21("1","7","6","6","7","6","3","1") = "6"
    & skf21("1","7","6","6","7","6","4","1") = "6"
    & skf21("1","7","6","6","7","6","5","1") = "6"
    & skf21("1","7","6","6","7","6","6","1") = "6"
    & skf21("1","7","6","6","7","6","7","1") = "6"
    & skf21("1","7","6","6","7","7","1","1") = "6"
    & skf21("1","7","6","6","7","7","2","1") = "6"
    & skf21("1","7","6","6","7","7","3","1") = "6"
    & skf21("1","7","6","6","7","7","4","1") = "6"
    & skf21("1","7","6","6","7","7","5","1") = "6"
    & skf21("1","7","6","6","7","7","6","1") = "6"
    & skf21("1","7","6","6","7","7","7","1") = "6"
    & skf21("1","7","6","7","1","1","1","1") = "6"
    & skf21("1","7","6","7","1","1","2","1") = "6"
    & skf21("1","7","6","7","1","1","3","1") = "6"
    & skf21("1","7","6","7","1","1","4","1") = "6"
    & skf21("1","7","6","7","1","1","5","1") = "6"
    & skf21("1","7","6","7","1","1","6","1") = "6"
    & skf21("1","7","6","7","1","1","7","1") = "6"
    & skf21("1","7","6","7","1","2","1","1") = "6"
    & skf21("1","7","6","7","1","2","2","1") = "6"
    & skf21("1","7","6","7","1","2","3","1") = "6"
    & skf21("1","7","6","7","1","2","4","1") = "6"
    & skf21("1","7","6","7","1","2","5","1") = "6"
    & skf21("1","7","6","7","1","2","6","1") = "6"
    & skf21("1","7","6","7","1","2","7","1") = "6"
    & skf21("1","7","6","7","1","3","1","1") = "6"
    & skf21("1","7","6","7","1","3","2","1") = "6"
    & skf21("1","7","6","7","1","3","3","1") = "6"
    & skf21("1","7","6","7","1","3","4","1") = "6"
    & skf21("1","7","6","7","1","3","5","1") = "6"
    & skf21("1","7","6","7","1","3","6","1") = "6"
    & skf21("1","7","6","7","1","3","7","1") = "6"
    & skf21("1","7","6","7","1","4","1","1") = "6"
    & skf21("1","7","6","7","1","4","2","1") = "6"
    & skf21("1","7","6","7","1","4","3","1") = "6"
    & skf21("1","7","6","7","1","4","4","1") = "6"
    & skf21("1","7","6","7","1","4","5","1") = "6"
    & skf21("1","7","6","7","1","4","6","1") = "6"
    & skf21("1","7","6","7","1","4","7","1") = "6"
    & skf21("1","7","6","7","1","5","1","1") = "6"
    & skf21("1","7","6","7","1","5","2","1") = "6"
    & skf21("1","7","6","7","1","5","3","1") = "6"
    & skf21("1","7","6","7","1","5","4","1") = "6"
    & skf21("1","7","6","7","1","5","5","1") = "6"
    & skf21("1","7","6","7","1","5","6","1") = "6"
    & skf21("1","7","6","7","1","5","7","1") = "6"
    & skf21("1","7","6","7","1","6","1","1") = "6"
    & skf21("1","7","6","7","1","6","2","1") = "6"
    & skf21("1","7","6","7","1","6","3","1") = "6"
    & skf21("1","7","6","7","1","6","4","1") = "6"
    & skf21("1","7","6","7","1","6","5","1") = "6"
    & skf21("1","7","6","7","1","6","6","1") = "6"
    & skf21("1","7","6","7","1","6","7","1") = "6"
    & skf21("1","7","6","7","1","7","1","1") = "6"
    & skf21("1","7","6","7","1","7","2","1") = "6"
    & skf21("1","7","6","7","1","7","3","1") = "6"
    & skf21("1","7","6","7","1","7","4","1") = "6"
    & skf21("1","7","6","7","1","7","5","1") = "6"
    & skf21("1","7","6","7","1","7","6","1") = "6"
    & skf21("1","7","6","7","1","7","7","1") = "6"
    & skf21("1","7","6","7","2","1","1","1") = "6"
    & skf21("1","7","6","7","2","1","2","1") = "6"
    & skf21("1","7","6","7","2","1","3","1") = "6"
    & skf21("1","7","6","7","2","1","4","1") = "6"
    & skf21("1","7","6","7","2","1","5","1") = "6"
    & skf21("1","7","6","7","2","1","6","1") = "6"
    & skf21("1","7","6","7","2","1","7","1") = "6"
    & skf21("1","7","6","7","2","2","1","1") = "6"
    & skf21("1","7","6","7","2","2","2","1") = "6"
    & skf21("1","7","6","7","2","2","3","1") = "6"
    & skf21("1","7","6","7","2","2","4","1") = "6"
    & skf21("1","7","6","7","2","2","5","1") = "6"
    & skf21("1","7","6","7","2","2","6","1") = "6"
    & skf21("1","7","6","7","2","2","7","1") = "6"
    & skf21("1","7","6","7","2","3","1","1") = "6"
    & skf21("1","7","6","7","2","3","2","1") = "6"
    & skf21("1","7","6","7","2","3","3","1") = "6"
    & skf21("1","7","6","7","2","3","4","1") = "6"
    & skf21("1","7","6","7","2","3","5","1") = "6"
    & skf21("1","7","6","7","2","3","6","1") = "6"
    & skf21("1","7","6","7","2","3","7","1") = "6"
    & skf21("1","7","6","7","2","4","1","1") = "6"
    & skf21("1","7","6","7","2","4","2","1") = "6"
    & skf21("1","7","6","7","2","4","3","1") = "6"
    & skf21("1","7","6","7","2","4","4","1") = "6"
    & skf21("1","7","6","7","2","4","5","1") = "6"
    & skf21("1","7","6","7","2","4","6","1") = "6"
    & skf21("1","7","6","7","2","4","7","1") = "6"
    & skf21("1","7","6","7","2","5","1","1") = "6"
    & skf21("1","7","6","7","2","5","2","1") = "6"
    & skf21("1","7","6","7","2","5","3","1") = "6"
    & skf21("1","7","6","7","2","5","4","1") = "6"
    & skf21("1","7","6","7","2","5","5","1") = "6"
    & skf21("1","7","6","7","2","5","6","1") = "6"
    & skf21("1","7","6","7","2","5","7","1") = "6"
    & skf21("1","7","6","7","2","6","1","1") = "6"
    & skf21("1","7","6","7","2","6","2","1") = "6"
    & skf21("1","7","6","7","2","6","3","1") = "6"
    & skf21("1","7","6","7","2","6","4","1") = "6"
    & skf21("1","7","6","7","2","6","5","1") = "6"
    & skf21("1","7","6","7","2","6","6","1") = "6"
    & skf21("1","7","6","7","2","6","7","1") = "6"
    & skf21("1","7","6","7","2","7","1","1") = "6"
    & skf21("1","7","6","7","2","7","2","1") = "6"
    & skf21("1","7","6","7","2","7","3","1") = "6"
    & skf21("1","7","6","7","2","7","4","1") = "6"
    & skf21("1","7","6","7","2","7","5","1") = "6"
    & skf21("1","7","6","7","2","7","6","1") = "6"
    & skf21("1","7","6","7","2","7","7","1") = "6"
    & skf21("1","7","6","7","3","1","1","1") = "6"
    & skf21("1","7","6","7","3","1","2","1") = "6"
    & skf21("1","7","6","7","3","1","3","1") = "6"
    & skf21("1","7","6","7","3","1","4","1") = "6"
    & skf21("1","7","6","7","3","1","5","1") = "6"
    & skf21("1","7","6","7","3","1","6","1") = "6"
    & skf21("1","7","6","7","3","1","7","1") = "6"
    & skf21("1","7","6","7","3","2","1","1") = "6"
    & skf21("1","7","6","7","3","2","2","1") = "6"
    & skf21("1","7","6","7","3","2","3","1") = "6"
    & skf21("1","7","6","7","3","2","4","1") = "6"
    & skf21("1","7","6","7","3","2","5","1") = "6"
    & skf21("1","7","6","7","3","2","6","1") = "6"
    & skf21("1","7","6","7","3","2","7","1") = "6"
    & skf21("1","7","6","7","3","3","1","1") = "6"
    & skf21("1","7","6","7","3","3","2","1") = "6"
    & skf21("1","7","6","7","3","3","3","1") = "6"
    & skf21("1","7","6","7","3","3","4","1") = "6"
    & skf21("1","7","6","7","3","3","5","1") = "6"
    & skf21("1","7","6","7","3","3","6","1") = "6"
    & skf21("1","7","6","7","3","3","7","1") = "6"
    & skf21("1","7","6","7","3","4","1","1") = "6"
    & skf21("1","7","6","7","3","4","2","1") = "6"
    & skf21("1","7","6","7","3","4","3","1") = "6"
    & skf21("1","7","6","7","3","4","4","1") = "6"
    & skf21("1","7","6","7","3","4","5","1") = "6"
    & skf21("1","7","6","7","3","4","6","1") = "6"
    & skf21("1","7","6","7","3","4","7","1") = "6"
    & skf21("1","7","6","7","3","5","1","1") = "6"
    & skf21("1","7","6","7","3","5","2","1") = "6"
    & skf21("1","7","6","7","3","5","3","1") = "6"
    & skf21("1","7","6","7","3","5","4","1") = "6"
    & skf21("1","7","6","7","3","5","5","1") = "6"
    & skf21("1","7","6","7","3","5","6","1") = "6"
    & skf21("1","7","6","7","3","5","7","1") = "6"
    & skf21("1","7","6","7","3","6","1","1") = "6"
    & skf21("1","7","6","7","3","6","2","1") = "6"
    & skf21("1","7","6","7","3","6","3","1") = "6"
    & skf21("1","7","6","7","3","6","4","1") = "6"
    & skf21("1","7","6","7","3","6","5","1") = "6"
    & skf21("1","7","6","7","3","6","6","1") = "6"
    & skf21("1","7","6","7","3","6","7","1") = "6"
    & skf21("1","7","6","7","3","7","1","1") = "6"
    & skf21("1","7","6","7","3","7","2","1") = "6"
    & skf21("1","7","6","7","3","7","3","1") = "6"
    & skf21("1","7","6","7","3","7","4","1") = "6"
    & skf21("1","7","6","7","3","7","5","1") = "6"
    & skf21("1","7","6","7","3","7","6","1") = "6"
    & skf21("1","7","6","7","3","7","7","1") = "6"
    & skf21("1","7","6","7","4","1","1","1") = "6"
    & skf21("1","7","6","7","4","1","2","1") = "6"
    & skf21("1","7","6","7","4","1","3","1") = "6"
    & skf21("1","7","6","7","4","1","4","1") = "6"
    & skf21("1","7","6","7","4","1","5","1") = "6"
    & skf21("1","7","6","7","4","1","6","1") = "6"
    & skf21("1","7","6","7","4","1","7","1") = "6"
    & skf21("1","7","6","7","4","2","1","1") = "6"
    & skf21("1","7","6","7","4","2","2","1") = "6"
    & skf21("1","7","6","7","4","2","3","1") = "6"
    & skf21("1","7","6","7","4","2","4","1") = "6"
    & skf21("1","7","6","7","4","2","5","1") = "6"
    & skf21("1","7","6","7","4","2","6","1") = "6"
    & skf21("1","7","6","7","4","2","7","1") = "6"
    & skf21("1","7","6","7","4","3","1","1") = "6"
    & skf21("1","7","6","7","4","3","2","1") = "6"
    & skf21("1","7","6","7","4","3","3","1") = "6"
    & skf21("1","7","6","7","4","3","4","1") = "6"
    & skf21("1","7","6","7","4","3","5","1") = "6"
    & skf21("1","7","6","7","4","3","6","1") = "6"
    & skf21("1","7","6","7","4","3","7","1") = "6"
    & skf21("1","7","6","7","4","4","1","1") = "6"
    & skf21("1","7","6","7","4","4","2","1") = "6"
    & skf21("1","7","6","7","4","4","3","1") = "6"
    & skf21("1","7","6","7","4","4","4","1") = "6"
    & skf21("1","7","6","7","4","4","5","1") = "6"
    & skf21("1","7","6","7","4","4","6","1") = "6"
    & skf21("1","7","6","7","4","4","7","1") = "6"
    & skf21("1","7","6","7","4","5","1","1") = "6"
    & skf21("1","7","6","7","4","5","2","1") = "6"
    & skf21("1","7","6","7","4","5","3","1") = "6"
    & skf21("1","7","6","7","4","5","4","1") = "6"
    & skf21("1","7","6","7","4","5","5","1") = "6"
    & skf21("1","7","6","7","4","5","6","1") = "6"
    & skf21("1","7","6","7","4","5","7","1") = "6"
    & skf21("1","7","6","7","4","6","1","1") = "6"
    & skf21("1","7","6","7","4","6","2","1") = "6"
    & skf21("1","7","6","7","4","6","3","1") = "6"
    & skf21("1","7","6","7","4","6","4","1") = "6"
    & skf21("1","7","6","7","4","6","5","1") = "6"
    & skf21("1","7","6","7","4","6","6","1") = "6"
    & skf21("1","7","6","7","4","6","7","1") = "6"
    & skf21("1","7","6","7","4","7","1","1") = "6"
    & skf21("1","7","6","7","4","7","2","1") = "6"
    & skf21("1","7","6","7","4","7","3","1") = "6"
    & skf21("1","7","6","7","4","7","4","1") = "6"
    & skf21("1","7","6","7","4","7","5","1") = "6"
    & skf21("1","7","6","7","4","7","6","1") = "6"
    & skf21("1","7","6","7","4","7","7","1") = "6"
    & skf21("1","7","6","7","5","1","1","1") = "6"
    & skf21("1","7","6","7","5","1","2","1") = "6"
    & skf21("1","7","6","7","5","1","3","1") = "6"
    & skf21("1","7","6","7","5","1","4","1") = "6"
    & skf21("1","7","6","7","5","1","5","1") = "6"
    & skf21("1","7","6","7","5","1","6","1") = "6"
    & skf21("1","7","6","7","5","1","7","1") = "6"
    & skf21("1","7","6","7","5","2","1","1") = "6"
    & skf21("1","7","6","7","5","2","2","1") = "6"
    & skf21("1","7","6","7","5","2","3","1") = "6"
    & skf21("1","7","6","7","5","2","4","1") = "6"
    & skf21("1","7","6","7","5","2","5","1") = "6"
    & skf21("1","7","6","7","5","2","6","1") = "6"
    & skf21("1","7","6","7","5","2","7","1") = "6"
    & skf21("1","7","6","7","5","3","1","1") = "6"
    & skf21("1","7","6","7","5","3","2","1") = "6"
    & skf21("1","7","6","7","5","3","3","1") = "6"
    & skf21("1","7","6","7","5","3","4","1") = "6"
    & skf21("1","7","6","7","5","3","5","1") = "6"
    & skf21("1","7","6","7","5","3","6","1") = "6"
    & skf21("1","7","6","7","5","3","7","1") = "6"
    & skf21("1","7","6","7","5","4","1","1") = "6"
    & skf21("1","7","6","7","5","4","2","1") = "6"
    & skf21("1","7","6","7","5","4","3","1") = "6"
    & skf21("1","7","6","7","5","4","4","1") = "6"
    & skf21("1","7","6","7","5","4","5","1") = "6"
    & skf21("1","7","6","7","5","4","6","1") = "6"
    & skf21("1","7","6","7","5","4","7","1") = "6"
    & skf21("1","7","6","7","5","5","1","1") = "6"
    & skf21("1","7","6","7","5","5","2","1") = "6"
    & skf21("1","7","6","7","5","5","3","1") = "6"
    & skf21("1","7","6","7","5","5","4","1") = "6"
    & skf21("1","7","6","7","5","5","5","1") = "6"
    & skf21("1","7","6","7","5","5","6","1") = "6"
    & skf21("1","7","6","7","5","5","7","1") = "6"
    & skf21("1","7","6","7","5","6","1","1") = "6"
    & skf21("1","7","6","7","5","6","2","1") = "6"
    & skf21("1","7","6","7","5","6","3","1") = "6"
    & skf21("1","7","6","7","5","6","4","1") = "6"
    & skf21("1","7","6","7","5","6","5","1") = "6"
    & skf21("1","7","6","7","5","6","6","1") = "6"
    & skf21("1","7","6","7","5","6","7","1") = "6"
    & skf21("1","7","6","7","5","7","1","1") = "6"
    & skf21("1","7","6","7","5","7","2","1") = "6"
    & skf21("1","7","6","7","5","7","3","1") = "6"
    & skf21("1","7","6","7","5","7","4","1") = "6"
    & skf21("1","7","6","7","5","7","5","1") = "6"
    & skf21("1","7","6","7","5","7","6","1") = "6"
    & skf21("1","7","6","7","5","7","7","1") = "6"
    & skf21("1","7","6","7","6","1","1","1") = "6"
    & skf21("1","7","6","7","6","1","2","1") = "6"
    & skf21("1","7","6","7","6","1","3","1") = "6"
    & skf21("1","7","6","7","6","1","4","1") = "6"
    & skf21("1","7","6","7","6","1","5","1") = "6"
    & skf21("1","7","6","7","6","1","6","1") = "6"
    & skf21("1","7","6","7","6","1","7","1") = "6"
    & skf21("1","7","6","7","6","2","1","1") = "6"
    & skf21("1","7","6","7","6","2","2","1") = "6"
    & skf21("1","7","6","7","6","2","3","1") = "6"
    & skf21("1","7","6","7","6","2","4","1") = "6"
    & skf21("1","7","6","7","6","2","5","1") = "6"
    & skf21("1","7","6","7","6","2","6","1") = "6"
    & skf21("1","7","6","7","6","2","7","1") = "6"
    & skf21("1","7","6","7","6","3","1","1") = "6"
    & skf21("1","7","6","7","6","3","2","1") = "6"
    & skf21("1","7","6","7","6","3","3","1") = "6"
    & skf21("1","7","6","7","6","3","4","1") = "6"
    & skf21("1","7","6","7","6","3","5","1") = "6"
    & skf21("1","7","6","7","6","3","6","1") = "6"
    & skf21("1","7","6","7","6","3","7","1") = "6"
    & skf21("1","7","6","7","6","4","1","1") = "6"
    & skf21("1","7","6","7","6","4","2","1") = "6"
    & skf21("1","7","6","7","6","4","3","1") = "6"
    & skf21("1","7","6","7","6","4","4","1") = "6"
    & skf21("1","7","6","7","6","4","5","1") = "6"
    & skf21("1","7","6","7","6","4","6","1") = "6"
    & skf21("1","7","6","7","6","4","7","1") = "6"
    & skf21("1","7","6","7","6","5","1","1") = "6"
    & skf21("1","7","6","7","6","5","2","1") = "6"
    & skf21("1","7","6","7","6","5","3","1") = "6"
    & skf21("1","7","6","7","6","5","4","1") = "6"
    & skf21("1","7","6","7","6","5","5","1") = "6"
    & skf21("1","7","6","7","6","5","6","1") = "6"
    & skf21("1","7","6","7","6","5","7","1") = "6"
    & skf21("1","7","6","7","6","6","1","1") = "6"
    & skf21("1","7","6","7","6","6","2","1") = "6"
    & skf21("1","7","6","7","6","6","3","1") = "6"
    & skf21("1","7","6","7","6","6","4","1") = "6"
    & skf21("1","7","6","7","6","6","5","1") = "6"
    & skf21("1","7","6","7","6","6","6","1") = "6"
    & skf21("1","7","6","7","6","6","7","1") = "6"
    & skf21("1","7","6","7","6","7","1","1") = "6"
    & skf21("1","7","6","7","6","7","2","1") = "6"
    & skf21("1","7","6","7","6","7","3","1") = "6"
    & skf21("1","7","6","7","6","7","4","1") = "6"
    & skf21("1","7","6","7","6","7","5","1") = "6"
    & skf21("1","7","6","7","6","7","6","1") = "6"
    & skf21("1","7","6","7","6","7","7","1") = "6"
    & skf21("1","7","6","7","7","1","1","1") = "6"
    & skf21("1","7","6","7","7","1","2","1") = "6"
    & skf21("1","7","6","7","7","1","3","1") = "6"
    & skf21("1","7","6","7","7","1","4","1") = "6"
    & skf21("1","7","6","7","7","1","5","1") = "6"
    & skf21("1","7","6","7","7","1","6","1") = "6"
    & skf21("1","7","6","7","7","1","7","1") = "6"
    & skf21("1","7","6","7","7","2","1","1") = "6"
    & skf21("1","7","6","7","7","2","2","1") = "6"
    & skf21("1","7","6","7","7","2","3","1") = "6"
    & skf21("1","7","6","7","7","2","4","1") = "6"
    & skf21("1","7","6","7","7","2","5","1") = "6"
    & skf21("1","7","6","7","7","2","6","1") = "6"
    & skf21("1","7","6","7","7","2","7","1") = "6"
    & skf21("1","7","6","7","7","3","1","1") = "6"
    & skf21("1","7","6","7","7","3","2","1") = "6"
    & skf21("1","7","6","7","7","3","3","1") = "6"
    & skf21("1","7","6","7","7","3","4","1") = "6"
    & skf21("1","7","6","7","7","3","5","1") = "6"
    & skf21("1","7","6","7","7","3","6","1") = "6"
    & skf21("1","7","6","7","7","3","7","1") = "6"
    & skf21("1","7","6","7","7","4","1","1") = "6"
    & skf21("1","7","6","7","7","4","2","1") = "6"
    & skf21("1","7","6","7","7","4","3","1") = "6"
    & skf21("1","7","6","7","7","4","4","1") = "6"
    & skf21("1","7","6","7","7","4","5","1") = "6"
    & skf21("1","7","6","7","7","4","6","1") = "6"
    & skf21("1","7","6","7","7","4","7","1") = "6"
    & skf21("1","7","6","7","7","5","1","1") = "6"
    & skf21("1","7","6","7","7","5","2","1") = "6"
    & skf21("1","7","6","7","7","5","3","1") = "6"
    & skf21("1","7","6","7","7","5","4","1") = "6"
    & skf21("1","7","6","7","7","5","5","1") = "6"
    & skf21("1","7","6","7","7","5","6","1") = "6"
    & skf21("1","7","6","7","7","5","7","1") = "6"
    & skf21("1","7","6","7","7","6","1","1") = "6"
    & skf21("1","7","6","7","7","6","2","1") = "6"
    & skf21("1","7","6","7","7","6","3","1") = "6"
    & skf21("1","7","6","7","7","6","4","1") = "6"
    & skf21("1","7","6","7","7","6","5","1") = "6"
    & skf21("1","7","6","7","7","6","6","1") = "6"
    & skf21("1","7","6","7","7","6","7","1") = "6"
    & skf21("1","7","6","7","7","7","1","1") = "6"
    & skf21("1","7","6","7","7","7","2","1") = "6"
    & skf21("1","7","6","7","7","7","3","1") = "6"
    & skf21("1","7","6","7","7","7","4","1") = "6"
    & skf21("1","7","6","7","7","7","5","1") = "6"
    & skf21("1","7","6","7","7","7","6","1") = "6"
    & skf21("1","7","6","7","7","7","7","1") = "6"
    & skf21("1","7","7","1","1","1","1","1") = "6"
    & skf21("1","7","7","1","1","1","2","1") = "6"
    & skf21("1","7","7","1","1","1","3","1") = "6"
    & skf21("1","7","7","1","1","1","4","1") = "6"
    & skf21("1","7","7","1","1","1","5","1") = "6"
    & skf21("1","7","7","1","1","1","6","1") = "6"
    & skf21("1","7","7","1","1","1","7","1") = "6"
    & skf21("1","7","7","1","1","2","1","1") = "6"
    & skf21("1","7","7","1","1","2","2","1") = "6"
    & skf21("1","7","7","1","1","2","3","1") = "6"
    & skf21("1","7","7","1","1","2","4","1") = "6"
    & skf21("1","7","7","1","1","2","5","1") = "6"
    & skf21("1","7","7","1","1","2","6","1") = "6"
    & skf21("1","7","7","1","1","2","7","1") = "6"
    & skf21("1","7","7","1","1","3","1","1") = "6"
    & skf21("1","7","7","1","1","3","2","1") = "6"
    & skf21("1","7","7","1","1","3","3","1") = "6"
    & skf21("1","7","7","1","1","3","4","1") = "6"
    & skf21("1","7","7","1","1","3","5","1") = "6"
    & skf21("1","7","7","1","1","3","6","1") = "6"
    & skf21("1","7","7","1","1","3","7","1") = "6"
    & skf21("1","7","7","1","1","4","1","1") = "6"
    & skf21("1","7","7","1","1","4","2","1") = "6"
    & skf21("1","7","7","1","1","4","3","1") = "6"
    & skf21("1","7","7","1","1","4","4","1") = "6"
    & skf21("1","7","7","1","1","4","5","1") = "6"
    & skf21("1","7","7","1","1","4","6","1") = "6"
    & skf21("1","7","7","1","1","4","7","1") = "6"
    & skf21("1","7","7","1","1","5","1","1") = "6"
    & skf21("1","7","7","1","1","5","2","1") = "6"
    & skf21("1","7","7","1","1","5","3","1") = "6"
    & skf21("1","7","7","1","1","5","4","1") = "6"
    & skf21("1","7","7","1","1","5","5","1") = "6"
    & skf21("1","7","7","1","1","5","6","1") = "6"
    & skf21("1","7","7","1","1","5","7","1") = "6"
    & skf21("1","7","7","1","1","6","1","1") = "6"
    & skf21("1","7","7","1","1","6","2","1") = "6"
    & skf21("1","7","7","1","1","6","3","1") = "6"
    & skf21("1","7","7","1","1","6","4","1") = "6"
    & skf21("1","7","7","1","1","6","5","1") = "6"
    & skf21("1","7","7","1","1","6","6","1") = "6"
    & skf21("1","7","7","1","1","6","7","1") = "6"
    & skf21("1","7","7","1","1","7","1","1") = "6"
    & skf21("1","7","7","1","1","7","2","1") = "6"
    & skf21("1","7","7","1","1","7","3","1") = "6"
    & skf21("1","7","7","1","1","7","4","1") = "6"
    & skf21("1","7","7","1","1","7","5","1") = "6"
    & skf21("1","7","7","1","1","7","6","1") = "6"
    & skf21("1","7","7","1","1","7","7","1") = "6"
    & skf21("1","7","7","1","2","1","1","1") = "6"
    & skf21("1","7","7","1","2","1","2","1") = "6"
    & skf21("1","7","7","1","2","1","3","1") = "6"
    & skf21("1","7","7","1","2","1","4","1") = "6"
    & skf21("1","7","7","1","2","1","5","1") = "6"
    & skf21("1","7","7","1","2","1","6","1") = "6"
    & skf21("1","7","7","1","2","1","7","1") = "6"
    & skf21("1","7","7","1","2","2","1","1") = "6"
    & skf21("1","7","7","1","2","2","2","1") = "6"
    & skf21("1","7","7","1","2","2","3","1") = "6"
    & skf21("1","7","7","1","2","2","4","1") = "6"
    & skf21("1","7","7","1","2","2","5","1") = "6"
    & skf21("1","7","7","1","2","2","6","1") = "6"
    & skf21("1","7","7","1","2","2","7","1") = "6"
    & skf21("1","7","7","1","2","3","1","1") = "6"
    & skf21("1","7","7","1","2","3","2","1") = "6"
    & skf21("1","7","7","1","2","3","3","1") = "6"
    & skf21("1","7","7","1","2","3","4","1") = "6"
    & skf21("1","7","7","1","2","3","5","1") = "6"
    & skf21("1","7","7","1","2","3","6","1") = "6"
    & skf21("1","7","7","1","2","3","7","1") = "6"
    & skf21("1","7","7","1","2","4","1","1") = "6"
    & skf21("1","7","7","1","2","4","2","1") = "6"
    & skf21("1","7","7","1","2","4","3","1") = "6"
    & skf21("1","7","7","1","2","4","4","1") = "6"
    & skf21("1","7","7","1","2","4","5","1") = "6"
    & skf21("1","7","7","1","2","4","6","1") = "6"
    & skf21("1","7","7","1","2","4","7","1") = "6"
    & skf21("1","7","7","1","2","5","1","1") = "6"
    & skf21("1","7","7","1","2","5","2","1") = "6"
    & skf21("1","7","7","1","2","5","3","1") = "6"
    & skf21("1","7","7","1","2","5","4","1") = "6"
    & skf21("1","7","7","1","2","5","5","1") = "6"
    & skf21("1","7","7","1","2","5","6","1") = "6"
    & skf21("1","7","7","1","2","5","7","1") = "6"
    & skf21("1","7","7","1","2","6","1","1") = "6"
    & skf21("1","7","7","1","2","6","2","1") = "6"
    & skf21("1","7","7","1","2","6","3","1") = "6"
    & skf21("1","7","7","1","2","6","4","1") = "6"
    & skf21("1","7","7","1","2","6","5","1") = "6"
    & skf21("1","7","7","1","2","6","6","1") = "6"
    & skf21("1","7","7","1","2","6","7","1") = "6"
    & skf21("1","7","7","1","2","7","1","1") = "6"
    & skf21("1","7","7","1","2","7","2","1") = "6"
    & skf21("1","7","7","1","2","7","3","1") = "6"
    & skf21("1","7","7","1","2","7","4","1") = "6"
    & skf21("1","7","7","1","2","7","5","1") = "6"
    & skf21("1","7","7","1","2","7","6","1") = "6"
    & skf21("1","7","7","1","2","7","7","1") = "6"
    & skf21("1","7","7","1","3","1","1","1") = "6"
    & skf21("1","7","7","1","3","1","2","1") = "6"
    & skf21("1","7","7","1","3","1","3","1") = "6"
    & skf21("1","7","7","1","3","1","4","1") = "6"
    & skf21("1","7","7","1","3","1","5","1") = "6"
    & skf21("1","7","7","1","3","1","6","1") = "6"
    & skf21("1","7","7","1","3","1","7","1") = "6"
    & skf21("1","7","7","1","3","2","1","1") = "6"
    & skf21("1","7","7","1","3","2","2","1") = "6"
    & skf21("1","7","7","1","3","2","3","1") = "6"
    & skf21("1","7","7","1","3","2","4","1") = "6"
    & skf21("1","7","7","1","3","2","5","1") = "6"
    & skf21("1","7","7","1","3","2","6","1") = "6"
    & skf21("1","7","7","1","3","2","7","1") = "6"
    & skf21("1","7","7","1","3","3","1","1") = "6"
    & skf21("1","7","7","1","3","3","2","1") = "6"
    & skf21("1","7","7","1","3","3","3","1") = "6"
    & skf21("1","7","7","1","3","3","4","1") = "6"
    & skf21("1","7","7","1","3","3","5","1") = "6"
    & skf21("1","7","7","1","3","3","6","1") = "6"
    & skf21("1","7","7","1","3","3","7","1") = "6"
    & skf21("1","7","7","1","3","4","1","1") = "6"
    & skf21("1","7","7","1","3","4","2","1") = "6"
    & skf21("1","7","7","1","3","4","3","1") = "6"
    & skf21("1","7","7","1","3","4","4","1") = "6"
    & skf21("1","7","7","1","3","4","5","1") = "6"
    & skf21("1","7","7","1","3","4","6","1") = "6"
    & skf21("1","7","7","1","3","4","7","1") = "6"
    & skf21("1","7","7","1","3","5","1","1") = "6"
    & skf21("1","7","7","1","3","5","2","1") = "6"
    & skf21("1","7","7","1","3","5","3","1") = "6"
    & skf21("1","7","7","1","3","5","4","1") = "6"
    & skf21("1","7","7","1","3","5","5","1") = "6"
    & skf21("1","7","7","1","3","5","6","1") = "6"
    & skf21("1","7","7","1","3","5","7","1") = "6"
    & skf21("1","7","7","1","3","6","1","1") = "6"
    & skf21("1","7","7","1","3","6","2","1") = "6"
    & skf21("1","7","7","1","3","6","3","1") = "6"
    & skf21("1","7","7","1","3","6","4","1") = "6"
    & skf21("1","7","7","1","3","6","5","1") = "6"
    & skf21("1","7","7","1","3","6","6","1") = "6"
    & skf21("1","7","7","1","3","6","7","1") = "6"
    & skf21("1","7","7","1","3","7","1","1") = "6"
    & skf21("1","7","7","1","3","7","2","1") = "6"
    & skf21("1","7","7","1","3","7","3","1") = "6"
    & skf21("1","7","7","1","3","7","4","1") = "6"
    & skf21("1","7","7","1","3","7","5","1") = "6"
    & skf21("1","7","7","1","3","7","6","1") = "6"
    & skf21("1","7","7","1","3","7","7","1") = "6"
    & skf21("1","7","7","1","4","1","1","1") = "6"
    & skf21("1","7","7","1","4","1","2","1") = "6"
    & skf21("1","7","7","1","4","1","3","1") = "6"
    & skf21("1","7","7","1","4","1","4","1") = "6"
    & skf21("1","7","7","1","4","1","5","1") = "6"
    & skf21("1","7","7","1","4","1","6","1") = "6"
    & skf21("1","7","7","1","4","1","7","1") = "6"
    & skf21("1","7","7","1","4","2","1","1") = "6"
    & skf21("1","7","7","1","4","2","2","1") = "6"
    & skf21("1","7","7","1","4","2","3","1") = "6"
    & skf21("1","7","7","1","4","2","4","1") = "6"
    & skf21("1","7","7","1","4","2","5","1") = "6"
    & skf21("1","7","7","1","4","2","6","1") = "6"
    & skf21("1","7","7","1","4","2","7","1") = "6"
    & skf21("1","7","7","1","4","3","1","1") = "6"
    & skf21("1","7","7","1","4","3","2","1") = "6"
    & skf21("1","7","7","1","4","3","3","1") = "6"
    & skf21("1","7","7","1","4","3","4","1") = "6"
    & skf21("1","7","7","1","4","3","5","1") = "6"
    & skf21("1","7","7","1","4","3","6","1") = "6"
    & skf21("1","7","7","1","4","3","7","1") = "6"
    & skf21("1","7","7","1","4","4","1","1") = "6"
    & skf21("1","7","7","1","4","4","2","1") = "6"
    & skf21("1","7","7","1","4","4","3","1") = "6"
    & skf21("1","7","7","1","4","4","4","1") = "6"
    & skf21("1","7","7","1","4","4","5","1") = "6"
    & skf21("1","7","7","1","4","4","6","1") = "6"
    & skf21("1","7","7","1","4","4","7","1") = "6"
    & skf21("1","7","7","1","4","5","1","1") = "6"
    & skf21("1","7","7","1","4","5","2","1") = "6"
    & skf21("1","7","7","1","4","5","3","1") = "6"
    & skf21("1","7","7","1","4","5","4","1") = "6"
    & skf21("1","7","7","1","4","5","5","1") = "6"
    & skf21("1","7","7","1","4","5","6","1") = "6"
    & skf21("1","7","7","1","4","5","7","1") = "6"
    & skf21("1","7","7","1","4","6","1","1") = "6"
    & skf21("1","7","7","1","4","6","2","1") = "6"
    & skf21("1","7","7","1","4","6","3","1") = "6"
    & skf21("1","7","7","1","4","6","4","1") = "6"
    & skf21("1","7","7","1","4","6","5","1") = "6"
    & skf21("1","7","7","1","4","6","6","1") = "6"
    & skf21("1","7","7","1","4","6","7","1") = "6"
    & skf21("1","7","7","1","4","7","1","1") = "6"
    & skf21("1","7","7","1","4","7","2","1") = "6"
    & skf21("1","7","7","1","4","7","3","1") = "6"
    & skf21("1","7","7","1","4","7","4","1") = "6"
    & skf21("1","7","7","1","4","7","5","1") = "6"
    & skf21("1","7","7","1","4","7","6","1") = "6"
    & skf21("1","7","7","1","4","7","7","1") = "6"
    & skf21("1","7","7","1","5","1","1","1") = "6"
    & skf21("1","7","7","1","5","1","2","1") = "6"
    & skf21("1","7","7","1","5","1","3","1") = "6"
    & skf21("1","7","7","1","5","1","4","1") = "6"
    & skf21("1","7","7","1","5","1","5","1") = "6"
    & skf21("1","7","7","1","5","1","6","1") = "6"
    & skf21("1","7","7","1","5","1","7","1") = "6"
    & skf21("1","7","7","1","5","2","1","1") = "6"
    & skf21("1","7","7","1","5","2","2","1") = "6"
    & skf21("1","7","7","1","5","2","3","1") = "6"
    & skf21("1","7","7","1","5","2","4","1") = "6"
    & skf21("1","7","7","1","5","2","5","1") = "6"
    & skf21("1","7","7","1","5","2","6","1") = "6"
    & skf21("1","7","7","1","5","2","7","1") = "6"
    & skf21("1","7","7","1","5","3","1","1") = "6"
    & skf21("1","7","7","1","5","3","2","1") = "6"
    & skf21("1","7","7","1","5","3","3","1") = "6"
    & skf21("1","7","7","1","5","3","4","1") = "6"
    & skf21("1","7","7","1","5","3","5","1") = "6"
    & skf21("1","7","7","1","5","3","6","1") = "6"
    & skf21("1","7","7","1","5","3","7","1") = "6"
    & skf21("1","7","7","1","5","4","1","1") = "6"
    & skf21("1","7","7","1","5","4","2","1") = "6"
    & skf21("1","7","7","1","5","4","3","1") = "6"
    & skf21("1","7","7","1","5","4","4","1") = "6"
    & skf21("1","7","7","1","5","4","5","1") = "6"
    & skf21("1","7","7","1","5","4","6","1") = "6"
    & skf21("1","7","7","1","5","4","7","1") = "6"
    & skf21("1","7","7","1","5","5","1","1") = "6"
    & skf21("1","7","7","1","5","5","2","1") = "6"
    & skf21("1","7","7","1","5","5","3","1") = "6"
    & skf21("1","7","7","1","5","5","4","1") = "6"
    & skf21("1","7","7","1","5","5","5","1") = "6"
    & skf21("1","7","7","1","5","5","6","1") = "6"
    & skf21("1","7","7","1","5","5","7","1") = "6"
    & skf21("1","7","7","1","5","6","1","1") = "6"
    & skf21("1","7","7","1","5","6","2","1") = "6"
    & skf21("1","7","7","1","5","6","3","1") = "6"
    & skf21("1","7","7","1","5","6","4","1") = "6"
    & skf21("1","7","7","1","5","6","5","1") = "6"
    & skf21("1","7","7","1","5","6","6","1") = "6"
    & skf21("1","7","7","1","5","6","7","1") = "6"
    & skf21("1","7","7","1","5","7","1","1") = "6"
    & skf21("1","7","7","1","5","7","2","1") = "6"
    & skf21("1","7","7","1","5","7","3","1") = "6"
    & skf21("1","7","7","1","5","7","4","1") = "6"
    & skf21("1","7","7","1","5","7","5","1") = "6"
    & skf21("1","7","7","1","5","7","6","1") = "6"
    & skf21("1","7","7","1","5","7","7","1") = "6"
    & skf21("1","7","7","1","6","1","1","1") = "6"
    & skf21("1","7","7","1","6","1","2","1") = "6"
    & skf21("1","7","7","1","6","1","3","1") = "6"
    & skf21("1","7","7","1","6","1","4","1") = "6"
    & skf21("1","7","7","1","6","1","5","1") = "6"
    & skf21("1","7","7","1","6","1","6","1") = "6"
    & skf21("1","7","7","1","6","1","7","1") = "6"
    & skf21("1","7","7","1","6","2","1","1") = "6"
    & skf21("1","7","7","1","6","2","2","1") = "6"
    & skf21("1","7","7","1","6","2","3","1") = "6"
    & skf21("1","7","7","1","6","2","4","1") = "6"
    & skf21("1","7","7","1","6","2","5","1") = "6"
    & skf21("1","7","7","1","6","2","6","1") = "6"
    & skf21("1","7","7","1","6","2","7","1") = "6"
    & skf21("1","7","7","1","6","3","1","1") = "6"
    & skf21("1","7","7","1","6","3","2","1") = "6"
    & skf21("1","7","7","1","6","3","3","1") = "6"
    & skf21("1","7","7","1","6","3","4","1") = "6"
    & skf21("1","7","7","1","6","3","5","1") = "6"
    & skf21("1","7","7","1","6","3","6","1") = "6"
    & skf21("1","7","7","1","6","3","7","1") = "6"
    & skf21("1","7","7","1","6","4","1","1") = "6"
    & skf21("1","7","7","1","6","4","2","1") = "6"
    & skf21("1","7","7","1","6","4","3","1") = "6"
    & skf21("1","7","7","1","6","4","4","1") = "6"
    & skf21("1","7","7","1","6","4","5","1") = "6"
    & skf21("1","7","7","1","6","4","6","1") = "6"
    & skf21("1","7","7","1","6","4","7","1") = "6"
    & skf21("1","7","7","1","6","5","1","1") = "6"
    & skf21("1","7","7","1","6","5","2","1") = "6"
    & skf21("1","7","7","1","6","5","3","1") = "6"
    & skf21("1","7","7","1","6","5","4","1") = "6"
    & skf21("1","7","7","1","6","5","5","1") = "6"
    & skf21("1","7","7","1","6","5","6","1") = "6"
    & skf21("1","7","7","1","6","5","7","1") = "6"
    & skf21("1","7","7","1","6","6","1","1") = "6"
    & skf21("1","7","7","1","6","6","2","1") = "6"
    & skf21("1","7","7","1","6","6","3","1") = "6"
    & skf21("1","7","7","1","6","6","4","1") = "6"
    & skf21("1","7","7","1","6","6","5","1") = "6"
    & skf21("1","7","7","1","6","6","6","1") = "6"
    & skf21("1","7","7","1","6","6","7","1") = "6"
    & skf21("1","7","7","1","6","7","1","1") = "6"
    & skf21("1","7","7","1","6","7","2","1") = "6"
    & skf21("1","7","7","1","6","7","3","1") = "6"
    & skf21("1","7","7","1","6","7","4","1") = "6"
    & skf21("1","7","7","1","6","7","5","1") = "6"
    & skf21("1","7","7","1","6","7","6","1") = "6"
    & skf21("1","7","7","1","6","7","7","1") = "6"
    & skf21("1","7","7","1","7","1","1","1") = "6"
    & skf21("1","7","7","1","7","1","2","1") = "6"
    & skf21("1","7","7","1","7","1","3","1") = "6"
    & skf21("1","7","7","1","7","1","4","1") = "6"
    & skf21("1","7","7","1","7","1","5","1") = "6"
    & skf21("1","7","7","1","7","1","6","1") = "6"
    & skf21("1","7","7","1","7","1","7","1") = "6"
    & skf21("1","7","7","1","7","2","1","1") = "6"
    & skf21("1","7","7","1","7","2","2","1") = "6"
    & skf21("1","7","7","1","7","2","3","1") = "6"
    & skf21("1","7","7","1","7","2","4","1") = "6"
    & skf21("1","7","7","1","7","2","5","1") = "6"
    & skf21("1","7","7","1","7","2","6","1") = "6"
    & skf21("1","7","7","1","7","2","7","1") = "6"
    & skf21("1","7","7","1","7","3","1","1") = "6"
    & skf21("1","7","7","1","7","3","2","1") = "6"
    & skf21("1","7","7","1","7","3","3","1") = "6"
    & skf21("1","7","7","1","7","3","4","1") = "6"
    & skf21("1","7","7","1","7","3","5","1") = "6"
    & skf21("1","7","7","1","7","3","6","1") = "6"
    & skf21("1","7","7","1","7","3","7","1") = "6"
    & skf21("1","7","7","1","7","4","1","1") = "6"
    & skf21("1","7","7","1","7","4","2","1") = "6"
    & skf21("1","7","7","1","7","4","3","1") = "6"
    & skf21("1","7","7","1","7","4","4","1") = "6"
    & skf21("1","7","7","1","7","4","5","1") = "6"
    & skf21("1","7","7","1","7","4","6","1") = "6"
    & skf21("1","7","7","1","7","4","7","1") = "6"
    & skf21("1","7","7","1","7","5","1","1") = "6"
    & skf21("1","7","7","1","7","5","2","1") = "6"
    & skf21("1","7","7","1","7","5","3","1") = "6"
    & skf21("1","7","7","1","7","5","4","1") = "6"
    & skf21("1","7","7","1","7","5","5","1") = "6"
    & skf21("1","7","7","1","7","5","6","1") = "6"
    & skf21("1","7","7","1","7","5","7","1") = "6"
    & skf21("1","7","7","1","7","6","1","1") = "6"
    & skf21("1","7","7","1","7","6","2","1") = "6"
    & skf21("1","7","7","1","7","6","3","1") = "6"
    & skf21("1","7","7","1","7","6","4","1") = "6"
    & skf21("1","7","7","1","7","6","5","1") = "6"
    & skf21("1","7","7","1","7","6","6","1") = "6"
    & skf21("1","7","7","1","7","6","7","1") = "6"
    & skf21("1","7","7","1","7","7","1","1") = "6"
    & skf21("1","7","7","1","7","7","2","1") = "6"
    & skf21("1","7","7","1","7","7","3","1") = "6"
    & skf21("1","7","7","1","7","7","4","1") = "6"
    & skf21("1","7","7","1","7","7","5","1") = "6"
    & skf21("1","7","7","1","7","7","6","1") = "6"
    & skf21("1","7","7","1","7","7","7","1") = "6"
    & skf21("1","7","7","2","1","1","1","1") = "6"
    & skf21("1","7","7","2","1","1","2","1") = "6"
    & skf21("1","7","7","2","1","1","3","1") = "6"
    & skf21("1","7","7","2","1","1","4","1") = "6"
    & skf21("1","7","7","2","1","1","5","1") = "6"
    & skf21("1","7","7","2","1","1","6","1") = "6"
    & skf21("1","7","7","2","1","1","7","1") = "6"
    & skf21("1","7","7","2","1","2","1","1") = "6"
    & skf21("1","7","7","2","1","2","2","1") = "6"
    & skf21("1","7","7","2","1","2","3","1") = "6"
    & skf21("1","7","7","2","1","2","4","1") = "6"
    & skf21("1","7","7","2","1","2","5","1") = "6"
    & skf21("1","7","7","2","1","2","6","1") = "6"
    & skf21("1","7","7","2","1","2","7","1") = "6"
    & skf21("1","7","7","2","1","3","1","1") = "6"
    & skf21("1","7","7","2","1","3","2","1") = "6"
    & skf21("1","7","7","2","1","3","3","1") = "6"
    & skf21("1","7","7","2","1","3","4","1") = "6"
    & skf21("1","7","7","2","1","3","5","1") = "6"
    & skf21("1","7","7","2","1","3","6","1") = "6"
    & skf21("1","7","7","2","1","3","7","1") = "6"
    & skf21("1","7","7","2","1","4","1","1") = "6"
    & skf21("1","7","7","2","1","4","2","1") = "6"
    & skf21("1","7","7","2","1","4","3","1") = "6"
    & skf21("1","7","7","2","1","4","4","1") = "6"
    & skf21("1","7","7","2","1","4","5","1") = "6"
    & skf21("1","7","7","2","1","4","6","1") = "6"
    & skf21("1","7","7","2","1","4","7","1") = "6"
    & skf21("1","7","7","2","1","5","1","1") = "6"
    & skf21("1","7","7","2","1","5","2","1") = "6"
    & skf21("1","7","7","2","1","5","3","1") = "6"
    & skf21("1","7","7","2","1","5","4","1") = "6"
    & skf21("1","7","7","2","1","5","5","1") = "6"
    & skf21("1","7","7","2","1","5","6","1") = "6"
    & skf21("1","7","7","2","1","5","7","1") = "6"
    & skf21("1","7","7","2","1","6","1","1") = "6"
    & skf21("1","7","7","2","1","6","2","1") = "6"
    & skf21("1","7","7","2","1","6","3","1") = "6"
    & skf21("1","7","7","2","1","6","4","1") = "6"
    & skf21("1","7","7","2","1","6","5","1") = "6"
    & skf21("1","7","7","2","1","6","6","1") = "6"
    & skf21("1","7","7","2","1","6","7","1") = "6"
    & skf21("1","7","7","2","1","7","1","1") = "6"
    & skf21("1","7","7","2","1","7","2","1") = "6"
    & skf21("1","7","7","2","1","7","3","1") = "6"
    & skf21("1","7","7","2","1","7","4","1") = "6"
    & skf21("1","7","7","2","1","7","5","1") = "6"
    & skf21("1","7","7","2","1","7","6","1") = "6"
    & skf21("1","7","7","2","1","7","7","1") = "6"
    & skf21("1","7","7","2","2","1","1","1") = "6"
    & skf21("1","7","7","2","2","1","2","1") = "6"
    & skf21("1","7","7","2","2","1","3","1") = "6"
    & skf21("1","7","7","2","2","1","4","1") = "6"
    & skf21("1","7","7","2","2","1","5","1") = "6"
    & skf21("1","7","7","2","2","1","6","1") = "6"
    & skf21("1","7","7","2","2","1","7","1") = "6"
    & skf21("1","7","7","2","2","2","1","1") = "6"
    & skf21("1","7","7","2","2","2","2","1") = "6"
    & skf21("1","7","7","2","2","2","3","1") = "6"
    & skf21("1","7","7","2","2","2","4","1") = "6"
    & skf21("1","7","7","2","2","2","5","1") = "6"
    & skf21("1","7","7","2","2","2","6","1") = "6"
    & skf21("1","7","7","2","2","2","7","1") = "6"
    & skf21("1","7","7","2","2","3","1","1") = "6"
    & skf21("1","7","7","2","2","3","2","1") = "6"
    & skf21("1","7","7","2","2","3","3","1") = "6"
    & skf21("1","7","7","2","2","3","4","1") = "6"
    & skf21("1","7","7","2","2","3","5","1") = "6"
    & skf21("1","7","7","2","2","3","6","1") = "6"
    & skf21("1","7","7","2","2","3","7","1") = "6"
    & skf21("1","7","7","2","2","4","1","1") = "6"
    & skf21("1","7","7","2","2","4","2","1") = "6"
    & skf21("1","7","7","2","2","4","3","1") = "6"
    & skf21("1","7","7","2","2","4","4","1") = "6"
    & skf21("1","7","7","2","2","4","5","1") = "6"
    & skf21("1","7","7","2","2","4","6","1") = "6"
    & skf21("1","7","7","2","2","4","7","1") = "6"
    & skf21("1","7","7","2","2","5","1","1") = "6"
    & skf21("1","7","7","2","2","5","2","1") = "6"
    & skf21("1","7","7","2","2","5","3","1") = "6"
    & skf21("1","7","7","2","2","5","4","1") = "6"
    & skf21("1","7","7","2","2","5","5","1") = "6"
    & skf21("1","7","7","2","2","5","6","1") = "6"
    & skf21("1","7","7","2","2","5","7","1") = "6"
    & skf21("1","7","7","2","2","6","1","1") = "6"
    & skf21("1","7","7","2","2","6","2","1") = "6"
    & skf21("1","7","7","2","2","6","3","1") = "6"
    & skf21("1","7","7","2","2","6","4","1") = "6"
    & skf21("1","7","7","2","2","6","5","1") = "6"
    & skf21("1","7","7","2","2","6","6","1") = "6"
    & skf21("1","7","7","2","2","6","7","1") = "6"
    & skf21("1","7","7","2","2","7","1","1") = "6"
    & skf21("1","7","7","2","2","7","2","1") = "6"
    & skf21("1","7","7","2","2","7","3","1") = "6"
    & skf21("1","7","7","2","2","7","4","1") = "6"
    & skf21("1","7","7","2","2","7","5","1") = "6"
    & skf21("1","7","7","2","2","7","6","1") = "6"
    & skf21("1","7","7","2","2","7","7","1") = "6"
    & skf21("1","7","7","2","3","1","1","1") = "6"
    & skf21("1","7","7","2","3","1","2","1") = "6"
    & skf21("1","7","7","2","3","1","3","1") = "6"
    & skf21("1","7","7","2","3","1","4","1") = "6"
    & skf21("1","7","7","2","3","1","5","1") = "6"
    & skf21("1","7","7","2","3","1","6","1") = "6"
    & skf21("1","7","7","2","3","1","7","1") = "6"
    & skf21("1","7","7","2","3","2","1","1") = "6"
    & skf21("1","7","7","2","3","2","2","1") = "6"
    & skf21("1","7","7","2","3","2","3","1") = "6"
    & skf21("1","7","7","2","3","2","4","1") = "6"
    & skf21("1","7","7","2","3","2","5","1") = "6"
    & skf21("1","7","7","2","3","2","6","1") = "6"
    & skf21("1","7","7","2","3","2","7","1") = "6"
    & skf21("1","7","7","2","3","3","1","1") = "6"
    & skf21("1","7","7","2","3","3","2","1") = "6"
    & skf21("1","7","7","2","3","3","3","1") = "6"
    & skf21("1","7","7","2","3","3","4","1") = "6"
    & skf21("1","7","7","2","3","3","5","1") = "6"
    & skf21("1","7","7","2","3","3","6","1") = "6"
    & skf21("1","7","7","2","3","3","7","1") = "6"
    & skf21("1","7","7","2","3","4","1","1") = "6"
    & skf21("1","7","7","2","3","4","2","1") = "6"
    & skf21("1","7","7","2","3","4","3","1") = "6"
    & skf21("1","7","7","2","3","4","4","1") = "6"
    & skf21("1","7","7","2","3","4","5","1") = "6"
    & skf21("1","7","7","2","3","4","6","1") = "6"
    & skf21("1","7","7","2","3","4","7","1") = "6"
    & skf21("1","7","7","2","3","5","1","1") = "6"
    & skf21("1","7","7","2","3","5","2","1") = "6"
    & skf21("1","7","7","2","3","5","3","1") = "6"
    & skf21("1","7","7","2","3","5","4","1") = "6"
    & skf21("1","7","7","2","3","5","5","1") = "6"
    & skf21("1","7","7","2","3","5","6","1") = "6"
    & skf21("1","7","7","2","3","5","7","1") = "6"
    & skf21("1","7","7","2","3","6","1","1") = "6"
    & skf21("1","7","7","2","3","6","2","1") = "6"
    & skf21("1","7","7","2","3","6","3","1") = "6"
    & skf21("1","7","7","2","3","6","4","1") = "6"
    & skf21("1","7","7","2","3","6","5","1") = "6"
    & skf21("1","7","7","2","3","6","6","1") = "6"
    & skf21("1","7","7","2","3","6","7","1") = "6"
    & skf21("1","7","7","2","3","7","1","1") = "6"
    & skf21("1","7","7","2","3","7","2","1") = "6"
    & skf21("1","7","7","2","3","7","3","1") = "6"
    & skf21("1","7","7","2","3","7","4","1") = "6"
    & skf21("1","7","7","2","3","7","5","1") = "6"
    & skf21("1","7","7","2","3","7","6","1") = "6"
    & skf21("1","7","7","2","3","7","7","1") = "6"
    & skf21("1","7","7","2","4","1","1","1") = "6"
    & skf21("1","7","7","2","4","1","2","1") = "6"
    & skf21("1","7","7","2","4","1","3","1") = "6"
    & skf21("1","7","7","2","4","1","4","1") = "6"
    & skf21("1","7","7","2","4","1","5","1") = "6"
    & skf21("1","7","7","2","4","1","6","1") = "6"
    & skf21("1","7","7","2","4","1","7","1") = "6"
    & skf21("1","7","7","2","4","2","1","1") = "6"
    & skf21("1","7","7","2","4","2","2","1") = "6"
    & skf21("1","7","7","2","4","2","3","1") = "6"
    & skf21("1","7","7","2","4","2","4","1") = "6"
    & skf21("1","7","7","2","4","2","5","1") = "6"
    & skf21("1","7","7","2","4","2","6","1") = "6"
    & skf21("1","7","7","2","4","2","7","1") = "6"
    & skf21("1","7","7","2","4","3","1","1") = "6"
    & skf21("1","7","7","2","4","3","2","1") = "6"
    & skf21("1","7","7","2","4","3","3","1") = "6"
    & skf21("1","7","7","2","4","3","4","1") = "6"
    & skf21("1","7","7","2","4","3","5","1") = "6"
    & skf21("1","7","7","2","4","3","6","1") = "6"
    & skf21("1","7","7","2","4","3","7","1") = "6"
    & skf21("1","7","7","2","4","4","1","1") = "6"
    & skf21("1","7","7","2","4","4","2","1") = "6"
    & skf21("1","7","7","2","4","4","3","1") = "6"
    & skf21("1","7","7","2","4","4","4","1") = "6"
    & skf21("1","7","7","2","4","4","5","1") = "6"
    & skf21("1","7","7","2","4","4","6","1") = "6"
    & skf21("1","7","7","2","4","4","7","1") = "6"
    & skf21("1","7","7","2","4","5","1","1") = "6"
    & skf21("1","7","7","2","4","5","2","1") = "6"
    & skf21("1","7","7","2","4","5","3","1") = "6"
    & skf21("1","7","7","2","4","5","4","1") = "6"
    & skf21("1","7","7","2","4","5","5","1") = "6"
    & skf21("1","7","7","2","4","5","6","1") = "6"
    & skf21("1","7","7","2","4","5","7","1") = "6"
    & skf21("1","7","7","2","4","6","1","1") = "6"
    & skf21("1","7","7","2","4","6","2","1") = "6"
    & skf21("1","7","7","2","4","6","3","1") = "6"
    & skf21("1","7","7","2","4","6","4","1") = "6"
    & skf21("1","7","7","2","4","6","5","1") = "6"
    & skf21("1","7","7","2","4","6","6","1") = "6"
    & skf21("1","7","7","2","4","6","7","1") = "6"
    & skf21("1","7","7","2","4","7","1","1") = "6"
    & skf21("1","7","7","2","4","7","2","1") = "6"
    & skf21("1","7","7","2","4","7","3","1") = "6"
    & skf21("1","7","7","2","4","7","4","1") = "6"
    & skf21("1","7","7","2","4","7","5","1") = "6"
    & skf21("1","7","7","2","4","7","6","1") = "6"
    & skf21("1","7","7","2","4","7","7","1") = "6"
    & skf21("1","7","7","2","5","1","1","1") = "6"
    & skf21("1","7","7","2","5","1","2","1") = "6"
    & skf21("1","7","7","2","5","1","3","1") = "6"
    & skf21("1","7","7","2","5","1","4","1") = "6"
    & skf21("1","7","7","2","5","1","5","1") = "6"
    & skf21("1","7","7","2","5","1","6","1") = "6"
    & skf21("1","7","7","2","5","1","7","1") = "6"
    & skf21("1","7","7","2","5","2","1","1") = "6"
    & skf21("1","7","7","2","5","2","2","1") = "6"
    & skf21("1","7","7","2","5","2","3","1") = "6"
    & skf21("1","7","7","2","5","2","4","1") = "6"
    & skf21("1","7","7","2","5","2","5","1") = "6"
    & skf21("1","7","7","2","5","2","6","1") = "6"
    & skf21("1","7","7","2","5","2","7","1") = "6"
    & skf21("1","7","7","2","5","3","1","1") = "6"
    & skf21("1","7","7","2","5","3","2","1") = "6"
    & skf21("1","7","7","2","5","3","3","1") = "6"
    & skf21("1","7","7","2","5","3","4","1") = "6"
    & skf21("1","7","7","2","5","3","5","1") = "6"
    & skf21("1","7","7","2","5","3","6","1") = "6"
    & skf21("1","7","7","2","5","3","7","1") = "6"
    & skf21("1","7","7","2","5","4","1","1") = "6"
    & skf21("1","7","7","2","5","4","2","1") = "6"
    & skf21("1","7","7","2","5","4","3","1") = "6"
    & skf21("1","7","7","2","5","4","4","1") = "6"
    & skf21("1","7","7","2","5","4","5","1") = "6"
    & skf21("1","7","7","2","5","4","6","1") = "6"
    & skf21("1","7","7","2","5","4","7","1") = "6"
    & skf21("1","7","7","2","5","5","1","1") = "6"
    & skf21("1","7","7","2","5","5","2","1") = "6"
    & skf21("1","7","7","2","5","5","3","1") = "6"
    & skf21("1","7","7","2","5","5","4","1") = "6"
    & skf21("1","7","7","2","5","5","5","1") = "6"
    & skf21("1","7","7","2","5","5","6","1") = "6"
    & skf21("1","7","7","2","5","5","7","1") = "6"
    & skf21("1","7","7","2","5","6","1","1") = "6"
    & skf21("1","7","7","2","5","6","2","1") = "6"
    & skf21("1","7","7","2","5","6","3","1") = "6"
    & skf21("1","7","7","2","5","6","4","1") = "6"
    & skf21("1","7","7","2","5","6","5","1") = "6"
    & skf21("1","7","7","2","5","6","6","1") = "6"
    & skf21("1","7","7","2","5","6","7","1") = "6"
    & skf21("1","7","7","2","5","7","1","1") = "6"
    & skf21("1","7","7","2","5","7","2","1") = "6"
    & skf21("1","7","7","2","5","7","3","1") = "6"
    & skf21("1","7","7","2","5","7","4","1") = "6"
    & skf21("1","7","7","2","5","7","5","1") = "6"
    & skf21("1","7","7","2","5","7","6","1") = "6"
    & skf21("1","7","7","2","5","7","7","1") = "6"
    & skf21("1","7","7","2","6","1","1","1") = "6"
    & skf21("1","7","7","2","6","1","2","1") = "6"
    & skf21("1","7","7","2","6","1","3","1") = "6"
    & skf21("1","7","7","2","6","1","4","1") = "6"
    & skf21("1","7","7","2","6","1","5","1") = "6"
    & skf21("1","7","7","2","6","1","6","1") = "6"
    & skf21("1","7","7","2","6","1","7","1") = "6"
    & skf21("1","7","7","2","6","2","1","1") = "6"
    & skf21("1","7","7","2","6","2","2","1") = "6"
    & skf21("1","7","7","2","6","2","3","1") = "6"
    & skf21("1","7","7","2","6","2","4","1") = "6"
    & skf21("1","7","7","2","6","2","5","1") = "6"
    & skf21("1","7","7","2","6","2","6","1") = "6"
    & skf21("1","7","7","2","6","2","7","1") = "6"
    & skf21("1","7","7","2","6","3","1","1") = "6"
    & skf21("1","7","7","2","6","3","2","1") = "6"
    & skf21("1","7","7","2","6","3","3","1") = "6"
    & skf21("1","7","7","2","6","3","4","1") = "6"
    & skf21("1","7","7","2","6","3","5","1") = "6"
    & skf21("1","7","7","2","6","3","6","1") = "6"
    & skf21("1","7","7","2","6","3","7","1") = "6"
    & skf21("1","7","7","2","6","4","1","1") = "6"
    & skf21("1","7","7","2","6","4","2","1") = "6"
    & skf21("1","7","7","2","6","4","3","1") = "6"
    & skf21("1","7","7","2","6","4","4","1") = "6"
    & skf21("1","7","7","2","6","4","5","1") = "6"
    & skf21("1","7","7","2","6","4","6","1") = "6"
    & skf21("1","7","7","2","6","4","7","1") = "6"
    & skf21("1","7","7","2","6","5","1","1") = "6"
    & skf21("1","7","7","2","6","5","2","1") = "6"
    & skf21("1","7","7","2","6","5","3","1") = "6"
    & skf21("1","7","7","2","6","5","4","1") = "6"
    & skf21("1","7","7","2","6","5","5","1") = "6"
    & skf21("1","7","7","2","6","5","6","1") = "6"
    & skf21("1","7","7","2","6","5","7","1") = "6"
    & skf21("1","7","7","2","6","6","1","1") = "6"
    & skf21("1","7","7","2","6","6","2","1") = "6"
    & skf21("1","7","7","2","6","6","3","1") = "6"
    & skf21("1","7","7","2","6","6","4","1") = "6"
    & skf21("1","7","7","2","6","6","5","1") = "6"
    & skf21("1","7","7","2","6","6","6","1") = "6"
    & skf21("1","7","7","2","6","6","7","1") = "6"
    & skf21("1","7","7","2","6","7","1","1") = "6"
    & skf21("1","7","7","2","6","7","2","1") = "6"
    & skf21("1","7","7","2","6","7","3","1") = "6"
    & skf21("1","7","7","2","6","7","4","1") = "6"
    & skf21("1","7","7","2","6","7","5","1") = "6"
    & skf21("1","7","7","2","6","7","6","1") = "6"
    & skf21("1","7","7","2","6","7","7","1") = "6"
    & skf21("1","7","7","2","7","1","1","1") = "6"
    & skf21("1","7","7","2","7","1","2","1") = "6"
    & skf21("1","7","7","2","7","1","3","1") = "6"
    & skf21("1","7","7","2","7","1","4","1") = "6"
    & skf21("1","7","7","2","7","1","5","1") = "6"
    & skf21("1","7","7","2","7","1","6","1") = "6"
    & skf21("1","7","7","2","7","1","7","1") = "6"
    & skf21("1","7","7","2","7","2","1","1") = "6"
    & skf21("1","7","7","2","7","2","2","1") = "6"
    & skf21("1","7","7","2","7","2","3","1") = "6"
    & skf21("1","7","7","2","7","2","4","1") = "6"
    & skf21("1","7","7","2","7","2","5","1") = "6"
    & skf21("1","7","7","2","7","2","6","1") = "6"
    & skf21("1","7","7","2","7","2","7","1") = "6"
    & skf21("1","7","7","2","7","3","1","1") = "6"
    & skf21("1","7","7","2","7","3","2","1") = "6"
    & skf21("1","7","7","2","7","3","3","1") = "6"
    & skf21("1","7","7","2","7","3","4","1") = "6"
    & skf21("1","7","7","2","7","3","5","1") = "6"
    & skf21("1","7","7","2","7","3","6","1") = "6"
    & skf21("1","7","7","2","7","3","7","1") = "6"
    & skf21("1","7","7","2","7","4","1","1") = "6"
    & skf21("1","7","7","2","7","4","2","1") = "6"
    & skf21("1","7","7","2","7","4","3","1") = "6"
    & skf21("1","7","7","2","7","4","4","1") = "6"
    & skf21("1","7","7","2","7","4","5","1") = "6"
    & skf21("1","7","7","2","7","4","6","1") = "6"
    & skf21("1","7","7","2","7","4","7","1") = "6"
    & skf21("1","7","7","2","7","5","1","1") = "6"
    & skf21("1","7","7","2","7","5","2","1") = "6"
    & skf21("1","7","7","2","7","5","3","1") = "6"
    & skf21("1","7","7","2","7","5","4","1") = "6"
    & skf21("1","7","7","2","7","5","5","1") = "6"
    & skf21("1","7","7","2","7","5","6","1") = "6"
    & skf21("1","7","7","2","7","5","7","1") = "6"
    & skf21("1","7","7","2","7","6","1","1") = "6"
    & skf21("1","7","7","2","7","6","2","1") = "6"
    & skf21("1","7","7","2","7","6","3","1") = "6"
    & skf21("1","7","7","2","7","6","4","1") = "6"
    & skf21("1","7","7","2","7","6","5","1") = "6"
    & skf21("1","7","7","2","7","6","6","1") = "6"
    & skf21("1","7","7","2","7","6","7","1") = "6"
    & skf21("1","7","7","2","7","7","1","1") = "6"
    & skf21("1","7","7","2","7","7","2","1") = "6"
    & skf21("1","7","7","2","7","7","3","1") = "6"
    & skf21("1","7","7","2","7","7","4","1") = "6"
    & skf21("1","7","7","2","7","7","5","1") = "6"
    & skf21("1","7","7","2","7","7","6","1") = "6"
    & skf21("1","7","7","2","7","7","7","1") = "6"
    & skf21("1","7","7","3","1","1","1","1") = "6"
    & skf21("1","7","7","3","1","1","2","1") = "6"
    & skf21("1","7","7","3","1","1","3","1") = "6"
    & skf21("1","7","7","3","1","1","4","1") = "6"
    & skf21("1","7","7","3","1","1","5","1") = "6"
    & skf21("1","7","7","3","1","1","6","1") = "6"
    & skf21("1","7","7","3","1","1","7","1") = "6"
    & skf21("1","7","7","3","1","2","1","1") = "6"
    & skf21("1","7","7","3","1","2","2","1") = "6"
    & skf21("1","7","7","3","1","2","3","1") = "6"
    & skf21("1","7","7","3","1","2","4","1") = "6"
    & skf21("1","7","7","3","1","2","5","1") = "6"
    & skf21("1","7","7","3","1","2","6","1") = "6"
    & skf21("1","7","7","3","1","2","7","1") = "6"
    & skf21("1","7","7","3","1","3","1","1") = "6"
    & skf21("1","7","7","3","1","3","2","1") = "6"
    & skf21("1","7","7","3","1","3","3","1") = "6"
    & skf21("1","7","7","3","1","3","4","1") = "6"
    & skf21("1","7","7","3","1","3","5","1") = "6"
    & skf21("1","7","7","3","1","3","6","1") = "6"
    & skf21("1","7","7","3","1","3","7","1") = "6"
    & skf21("1","7","7","3","1","4","1","1") = "6"
    & skf21("1","7","7","3","1","4","2","1") = "6"
    & skf21("1","7","7","3","1","4","3","1") = "6"
    & skf21("1","7","7","3","1","4","4","1") = "6"
    & skf21("1","7","7","3","1","4","5","1") = "6"
    & skf21("1","7","7","3","1","4","6","1") = "6"
    & skf21("1","7","7","3","1","4","7","1") = "6"
    & skf21("1","7","7","3","1","5","1","1") = "6"
    & skf21("1","7","7","3","1","5","2","1") = "6"
    & skf21("1","7","7","3","1","5","3","1") = "6"
    & skf21("1","7","7","3","1","5","4","1") = "6"
    & skf21("1","7","7","3","1","5","5","1") = "6"
    & skf21("1","7","7","3","1","5","6","1") = "6"
    & skf21("1","7","7","3","1","5","7","1") = "6"
    & skf21("1","7","7","3","1","6","1","1") = "6"
    & skf21("1","7","7","3","1","6","2","1") = "6"
    & skf21("1","7","7","3","1","6","3","1") = "6"
    & skf21("1","7","7","3","1","6","4","1") = "6"
    & skf21("1","7","7","3","1","6","5","1") = "6"
    & skf21("1","7","7","3","1","6","6","1") = "6"
    & skf21("1","7","7","3","1","6","7","1") = "6"
    & skf21("1","7","7","3","1","7","1","1") = "6"
    & skf21("1","7","7","3","1","7","2","1") = "6"
    & skf21("1","7","7","3","1","7","3","1") = "6"
    & skf21("1","7","7","3","1","7","4","1") = "6"
    & skf21("1","7","7","3","1","7","5","1") = "6"
    & skf21("1","7","7","3","1","7","6","1") = "6"
    & skf21("1","7","7","3","1","7","7","1") = "6"
    & skf21("1","7","7","3","2","1","1","1") = "6"
    & skf21("1","7","7","3","2","1","2","1") = "6"
    & skf21("1","7","7","3","2","1","3","1") = "6"
    & skf21("1","7","7","3","2","1","4","1") = "6"
    & skf21("1","7","7","3","2","1","5","1") = "6"
    & skf21("1","7","7","3","2","1","6","1") = "6"
    & skf21("1","7","7","3","2","1","7","1") = "6"
    & skf21("1","7","7","3","2","2","1","1") = "6"
    & skf21("1","7","7","3","2","2","2","1") = "6"
    & skf21("1","7","7","3","2","2","3","1") = "6"
    & skf21("1","7","7","3","2","2","4","1") = "6"
    & skf21("1","7","7","3","2","2","5","1") = "6"
    & skf21("1","7","7","3","2","2","6","1") = "6"
    & skf21("1","7","7","3","2","2","7","1") = "6"
    & skf21("1","7","7","3","2","3","1","1") = "6"
    & skf21("1","7","7","3","2","3","2","1") = "6"
    & skf21("1","7","7","3","2","3","3","1") = "6"
    & skf21("1","7","7","3","2","3","4","1") = "6"
    & skf21("1","7","7","3","2","3","5","1") = "6"
    & skf21("1","7","7","3","2","3","6","1") = "6"
    & skf21("1","7","7","3","2","3","7","1") = "6"
    & skf21("1","7","7","3","2","4","1","1") = "6"
    & skf21("1","7","7","3","2","4","2","1") = "6"
    & skf21("1","7","7","3","2","4","3","1") = "6"
    & skf21("1","7","7","3","2","4","4","1") = "6"
    & skf21("1","7","7","3","2","4","5","1") = "6"
    & skf21("1","7","7","3","2","4","6","1") = "6"
    & skf21("1","7","7","3","2","4","7","1") = "6"
    & skf21("1","7","7","3","2","5","1","1") = "6"
    & skf21("1","7","7","3","2","5","2","1") = "6"
    & skf21("1","7","7","3","2","5","3","1") = "6"
    & skf21("1","7","7","3","2","5","4","1") = "6"
    & skf21("1","7","7","3","2","5","5","1") = "6"
    & skf21("1","7","7","3","2","5","6","1") = "6"
    & skf21("1","7","7","3","2","5","7","1") = "6"
    & skf21("1","7","7","3","2","6","1","1") = "6"
    & skf21("1","7","7","3","2","6","2","1") = "6"
    & skf21("1","7","7","3","2","6","3","1") = "6"
    & skf21("1","7","7","3","2","6","4","1") = "6"
    & skf21("1","7","7","3","2","6","5","1") = "6"
    & skf21("1","7","7","3","2","6","6","1") = "6"
    & skf21("1","7","7","3","2","6","7","1") = "6"
    & skf21("1","7","7","3","2","7","1","1") = "6"
    & skf21("1","7","7","3","2","7","2","1") = "6"
    & skf21("1","7","7","3","2","7","3","1") = "6"
    & skf21("1","7","7","3","2","7","4","1") = "6"
    & skf21("1","7","7","3","2","7","5","1") = "6"
    & skf21("1","7","7","3","2","7","6","1") = "6"
    & skf21("1","7","7","3","2","7","7","1") = "6"
    & skf21("1","7","7","3","3","1","1","1") = "6"
    & skf21("1","7","7","3","3","1","2","1") = "6"
    & skf21("1","7","7","3","3","1","3","1") = "6"
    & skf21("1","7","7","3","3","1","4","1") = "6"
    & skf21("1","7","7","3","3","1","5","1") = "6"
    & skf21("1","7","7","3","3","1","6","1") = "6"
    & skf21("1","7","7","3","3","1","7","1") = "6"
    & skf21("1","7","7","3","3","2","1","1") = "6"
    & skf21("1","7","7","3","3","2","2","1") = "6"
    & skf21("1","7","7","3","3","2","3","1") = "6"
    & skf21("1","7","7","3","3","2","4","1") = "6"
    & skf21("1","7","7","3","3","2","5","1") = "6"
    & skf21("1","7","7","3","3","2","6","1") = "6"
    & skf21("1","7","7","3","3","2","7","1") = "6"
    & skf21("1","7","7","3","3","3","1","1") = "6"
    & skf21("1","7","7","3","3","3","2","1") = "6"
    & skf21("1","7","7","3","3","3","3","1") = "6"
    & skf21("1","7","7","3","3","3","4","1") = "6"
    & skf21("1","7","7","3","3","3","5","1") = "6"
    & skf21("1","7","7","3","3","3","6","1") = "6"
    & skf21("1","7","7","3","3","3","7","1") = "6"
    & skf21("1","7","7","3","3","4","1","1") = "6"
    & skf21("1","7","7","3","3","4","2","1") = "6"
    & skf21("1","7","7","3","3","4","3","1") = "6"
    & skf21("1","7","7","3","3","4","4","1") = "6"
    & skf21("1","7","7","3","3","4","5","1") = "6"
    & skf21("1","7","7","3","3","4","6","1") = "6"
    & skf21("1","7","7","3","3","4","7","1") = "6"
    & skf21("1","7","7","3","3","5","1","1") = "6"
    & skf21("1","7","7","3","3","5","2","1") = "6"
    & skf21("1","7","7","3","3","5","3","1") = "6"
    & skf21("1","7","7","3","3","5","4","1") = "6"
    & skf21("1","7","7","3","3","5","5","1") = "6"
    & skf21("1","7","7","3","3","5","6","1") = "6"
    & skf21("1","7","7","3","3","5","7","1") = "6"
    & skf21("1","7","7","3","3","6","1","1") = "6"
    & skf21("1","7","7","3","3","6","2","1") = "6"
    & skf21("1","7","7","3","3","6","3","1") = "6"
    & skf21("1","7","7","3","3","6","4","1") = "6"
    & skf21("1","7","7","3","3","6","5","1") = "6"
    & skf21("1","7","7","3","3","6","6","1") = "6"
    & skf21("1","7","7","3","3","6","7","1") = "6"
    & skf21("1","7","7","3","3","7","1","1") = "6"
    & skf21("1","7","7","3","3","7","2","1") = "6"
    & skf21("1","7","7","3","3","7","3","1") = "6"
    & skf21("1","7","7","3","3","7","4","1") = "6"
    & skf21("1","7","7","3","3","7","5","1") = "6"
    & skf21("1","7","7","3","3","7","6","1") = "6"
    & skf21("1","7","7","3","3","7","7","1") = "6"
    & skf21("1","7","7","3","4","1","1","1") = "6"
    & skf21("1","7","7","3","4","1","2","1") = "6"
    & skf21("1","7","7","3","4","1","3","1") = "6"
    & skf21("1","7","7","3","4","1","4","1") = "6"
    & skf21("1","7","7","3","4","1","5","1") = "6"
    & skf21("1","7","7","3","4","1","6","1") = "6"
    & skf21("1","7","7","3","4","1","7","1") = "6"
    & skf21("1","7","7","3","4","2","1","1") = "6"
    & skf21("1","7","7","3","4","2","2","1") = "6"
    & skf21("1","7","7","3","4","2","3","1") = "6"
    & skf21("1","7","7","3","4","2","4","1") = "6"
    & skf21("1","7","7","3","4","2","5","1") = "6"
    & skf21("1","7","7","3","4","2","6","1") = "6"
    & skf21("1","7","7","3","4","2","7","1") = "6"
    & skf21("1","7","7","3","4","3","1","1") = "6"
    & skf21("1","7","7","3","4","3","2","1") = "6"
    & skf21("1","7","7","3","4","3","3","1") = "6"
    & skf21("1","7","7","3","4","3","4","1") = "6"
    & skf21("1","7","7","3","4","3","5","1") = "6"
    & skf21("1","7","7","3","4","3","6","1") = "6"
    & skf21("1","7","7","3","4","3","7","1") = "6"
    & skf21("1","7","7","3","4","4","1","1") = "6"
    & skf21("1","7","7","3","4","4","2","1") = "6"
    & skf21("1","7","7","3","4","4","3","1") = "6"
    & skf21("1","7","7","3","4","4","4","1") = "6"
    & skf21("1","7","7","3","4","4","5","1") = "6"
    & skf21("1","7","7","3","4","4","6","1") = "6"
    & skf21("1","7","7","3","4","4","7","1") = "6"
    & skf21("1","7","7","3","4","5","1","1") = "6"
    & skf21("1","7","7","3","4","5","2","1") = "6"
    & skf21("1","7","7","3","4","5","3","1") = "6"
    & skf21("1","7","7","3","4","5","4","1") = "6"
    & skf21("1","7","7","3","4","5","5","1") = "6"
    & skf21("1","7","7","3","4","5","6","1") = "6"
    & skf21("1","7","7","3","4","5","7","1") = "6"
    & skf21("1","7","7","3","4","6","1","1") = "6"
    & skf21("1","7","7","3","4","6","2","1") = "6"
    & skf21("1","7","7","3","4","6","3","1") = "6"
    & skf21("1","7","7","3","4","6","4","1") = "6"
    & skf21("1","7","7","3","4","6","5","1") = "6"
    & skf21("1","7","7","3","4","6","6","1") = "6"
    & skf21("1","7","7","3","4","6","7","1") = "6"
    & skf21("1","7","7","3","4","7","1","1") = "6"
    & skf21("1","7","7","3","4","7","2","1") = "6"
    & skf21("1","7","7","3","4","7","3","1") = "6"
    & skf21("1","7","7","3","4","7","4","1") = "6"
    & skf21("1","7","7","3","4","7","5","1") = "6"
    & skf21("1","7","7","3","4","7","6","1") = "6"
    & skf21("1","7","7","3","4","7","7","1") = "6"
    & skf21("1","7","7","3","5","1","1","1") = "6"
    & skf21("1","7","7","3","5","1","2","1") = "6"
    & skf21("1","7","7","3","5","1","3","1") = "6"
    & skf21("1","7","7","3","5","1","4","1") = "6"
    & skf21("1","7","7","3","5","1","5","1") = "6"
    & skf21("1","7","7","3","5","1","6","1") = "6"
    & skf21("1","7","7","3","5","1","7","1") = "6"
    & skf21("1","7","7","3","5","2","1","1") = "6"
    & skf21("1","7","7","3","5","2","2","1") = "6"
    & skf21("1","7","7","3","5","2","3","1") = "6"
    & skf21("1","7","7","3","5","2","4","1") = "6"
    & skf21("1","7","7","3","5","2","5","1") = "6"
    & skf21("1","7","7","3","5","2","6","1") = "6"
    & skf21("1","7","7","3","5","2","7","1") = "6"
    & skf21("1","7","7","3","5","3","1","1") = "6"
    & skf21("1","7","7","3","5","3","2","1") = "6"
    & skf21("1","7","7","3","5","3","3","1") = "6"
    & skf21("1","7","7","3","5","3","4","1") = "6"
    & skf21("1","7","7","3","5","3","5","1") = "6"
    & skf21("1","7","7","3","5","3","6","1") = "6"
    & skf21("1","7","7","3","5","3","7","1") = "6"
    & skf21("1","7","7","3","5","4","1","1") = "6"
    & skf21("1","7","7","3","5","4","2","1") = "6"
    & skf21("1","7","7","3","5","4","3","1") = "6"
    & skf21("1","7","7","3","5","4","4","1") = "6"
    & skf21("1","7","7","3","5","4","5","1") = "6"
    & skf21("1","7","7","3","5","4","6","1") = "6"
    & skf21("1","7","7","3","5","4","7","1") = "6"
    & skf21("1","7","7","3","5","5","1","1") = "6"
    & skf21("1","7","7","3","5","5","2","1") = "6"
    & skf21("1","7","7","3","5","5","3","1") = "6"
    & skf21("1","7","7","3","5","5","4","1") = "6"
    & skf21("1","7","7","3","5","5","5","1") = "6"
    & skf21("1","7","7","3","5","5","6","1") = "6"
    & skf21("1","7","7","3","5","5","7","1") = "6"
    & skf21("1","7","7","3","5","6","1","1") = "6"
    & skf21("1","7","7","3","5","6","2","1") = "6"
    & skf21("1","7","7","3","5","6","3","1") = "6"
    & skf21("1","7","7","3","5","6","4","1") = "6"
    & skf21("1","7","7","3","5","6","5","1") = "6"
    & skf21("1","7","7","3","5","6","6","1") = "6"
    & skf21("1","7","7","3","5","6","7","1") = "6"
    & skf21("1","7","7","3","5","7","1","1") = "6"
    & skf21("1","7","7","3","5","7","2","1") = "6"
    & skf21("1","7","7","3","5","7","3","1") = "6"
    & skf21("1","7","7","3","5","7","4","1") = "6"
    & skf21("1","7","7","3","5","7","5","1") = "6"
    & skf21("1","7","7","3","5","7","6","1") = "6"
    & skf21("1","7","7","3","5","7","7","1") = "6"
    & skf21("1","7","7","3","6","1","1","1") = "6"
    & skf21("1","7","7","3","6","1","2","1") = "6"
    & skf21("1","7","7","3","6","1","3","1") = "6"
    & skf21("1","7","7","3","6","1","4","1") = "6"
    & skf21("1","7","7","3","6","1","5","1") = "6"
    & skf21("1","7","7","3","6","1","6","1") = "6"
    & skf21("1","7","7","3","6","1","7","1") = "6"
    & skf21("1","7","7","3","6","2","1","1") = "6"
    & skf21("1","7","7","3","6","2","2","1") = "6"
    & skf21("1","7","7","3","6","2","3","1") = "6"
    & skf21("1","7","7","3","6","2","4","1") = "6"
    & skf21("1","7","7","3","6","2","5","1") = "6"
    & skf21("1","7","7","3","6","2","6","1") = "6"
    & skf21("1","7","7","3","6","2","7","1") = "6"
    & skf21("1","7","7","3","6","3","1","1") = "6"
    & skf21("1","7","7","3","6","3","2","1") = "6"
    & skf21("1","7","7","3","6","3","3","1") = "6"
    & skf21("1","7","7","3","6","3","4","1") = "6"
    & skf21("1","7","7","3","6","3","5","1") = "6"
    & skf21("1","7","7","3","6","3","6","1") = "6"
    & skf21("1","7","7","3","6","3","7","1") = "6"
    & skf21("1","7","7","3","6","4","1","1") = "6"
    & skf21("1","7","7","3","6","4","2","1") = "6"
    & skf21("1","7","7","3","6","4","3","1") = "6"
    & skf21("1","7","7","3","6","4","4","1") = "6"
    & skf21("1","7","7","3","6","4","5","1") = "6"
    & skf21("1","7","7","3","6","4","6","1") = "6"
    & skf21("1","7","7","3","6","4","7","1") = "6"
    & skf21("1","7","7","3","6","5","1","1") = "6"
    & skf21("1","7","7","3","6","5","2","1") = "6"
    & skf21("1","7","7","3","6","5","3","1") = "6"
    & skf21("1","7","7","3","6","5","4","1") = "6"
    & skf21("1","7","7","3","6","5","5","1") = "6"
    & skf21("1","7","7","3","6","5","6","1") = "6"
    & skf21("1","7","7","3","6","5","7","1") = "6"
    & skf21("1","7","7","3","6","6","1","1") = "6"
    & skf21("1","7","7","3","6","6","2","1") = "6"
    & skf21("1","7","7","3","6","6","3","1") = "6"
    & skf21("1","7","7","3","6","6","4","1") = "6"
    & skf21("1","7","7","3","6","6","5","1") = "6"
    & skf21("1","7","7","3","6","6","6","1") = "6"
    & skf21("1","7","7","3","6","6","7","1") = "6"
    & skf21("1","7","7","3","6","7","1","1") = "6"
    & skf21("1","7","7","3","6","7","2","1") = "6"
    & skf21("1","7","7","3","6","7","3","1") = "6"
    & skf21("1","7","7","3","6","7","4","1") = "6"
    & skf21("1","7","7","3","6","7","5","1") = "6"
    & skf21("1","7","7","3","6","7","6","1") = "6"
    & skf21("1","7","7","3","6","7","7","1") = "6"
    & skf21("1","7","7","3","7","1","1","1") = "6"
    & skf21("1","7","7","3","7","1","2","1") = "6"
    & skf21("1","7","7","3","7","1","3","1") = "6"
    & skf21("1","7","7","3","7","1","4","1") = "6"
    & skf21("1","7","7","3","7","1","5","1") = "6"
    & skf21("1","7","7","3","7","1","6","1") = "6"
    & skf21("1","7","7","3","7","1","7","1") = "6"
    & skf21("1","7","7","3","7","2","1","1") = "6"
    & skf21("1","7","7","3","7","2","2","1") = "6"
    & skf21("1","7","7","3","7","2","3","1") = "6"
    & skf21("1","7","7","3","7","2","4","1") = "6"
    & skf21("1","7","7","3","7","2","5","1") = "6"
    & skf21("1","7","7","3","7","2","6","1") = "6"
    & skf21("1","7","7","3","7","2","7","1") = "6"
    & skf21("1","7","7","3","7","3","1","1") = "6"
    & skf21("1","7","7","3","7","3","2","1") = "6"
    & skf21("1","7","7","3","7","3","3","1") = "6"
    & skf21("1","7","7","3","7","3","4","1") = "6"
    & skf21("1","7","7","3","7","3","5","1") = "6"
    & skf21("1","7","7","3","7","3","6","1") = "6"
    & skf21("1","7","7","3","7","3","7","1") = "6"
    & skf21("1","7","7","3","7","4","1","1") = "6"
    & skf21("1","7","7","3","7","4","2","1") = "6"
    & skf21("1","7","7","3","7","4","3","1") = "6"
    & skf21("1","7","7","3","7","4","4","1") = "6"
    & skf21("1","7","7","3","7","4","5","1") = "6"
    & skf21("1","7","7","3","7","4","6","1") = "6"
    & skf21("1","7","7","3","7","4","7","1") = "6"
    & skf21("1","7","7","3","7","5","1","1") = "6"
    & skf21("1","7","7","3","7","5","2","1") = "6"
    & skf21("1","7","7","3","7","5","3","1") = "6"
    & skf21("1","7","7","3","7","5","4","1") = "6"
    & skf21("1","7","7","3","7","5","5","1") = "6"
    & skf21("1","7","7","3","7","5","6","1") = "6"
    & skf21("1","7","7","3","7","5","7","1") = "6"
    & skf21("1","7","7","3","7","6","1","1") = "6"
    & skf21("1","7","7","3","7","6","2","1") = "6"
    & skf21("1","7","7","3","7","6","3","1") = "6"
    & skf21("1","7","7","3","7","6","4","1") = "6"
    & skf21("1","7","7","3","7","6","5","1") = "6"
    & skf21("1","7","7","3","7","6","6","1") = "6"
    & skf21("1","7","7","3","7","6","7","1") = "6"
    & skf21("1","7","7","3","7","7","1","1") = "6"
    & skf21("1","7","7","3","7","7","2","1") = "6"
    & skf21("1","7","7","3","7","7","3","1") = "6"
    & skf21("1","7","7","3","7","7","4","1") = "6"
    & skf21("1","7","7","3","7","7","5","1") = "6"
    & skf21("1","7","7","3","7","7","6","1") = "6"
    & skf21("1","7","7","3","7","7","7","1") = "6"
    & skf21("1","7","7","4","1","1","1","1") = "6"
    & skf21("1","7","7","4","1","1","2","1") = "6"
    & skf21("1","7","7","4","1","1","3","1") = "6"
    & skf21("1","7","7","4","1","1","4","1") = "6"
    & skf21("1","7","7","4","1","1","5","1") = "6"
    & skf21("1","7","7","4","1","1","6","1") = "6"
    & skf21("1","7","7","4","1","1","7","1") = "6"
    & skf21("1","7","7","4","1","2","1","1") = "6"
    & skf21("1","7","7","4","1","2","2","1") = "6"
    & skf21("1","7","7","4","1","2","3","1") = "6"
    & skf21("1","7","7","4","1","2","4","1") = "6"
    & skf21("1","7","7","4","1","2","5","1") = "6"
    & skf21("1","7","7","4","1","2","6","1") = "6"
    & skf21("1","7","7","4","1","2","7","1") = "6"
    & skf21("1","7","7","4","1","3","1","1") = "6"
    & skf21("1","7","7","4","1","3","2","1") = "6"
    & skf21("1","7","7","4","1","3","3","1") = "6"
    & skf21("1","7","7","4","1","3","4","1") = "6"
    & skf21("1","7","7","4","1","3","5","1") = "6"
    & skf21("1","7","7","4","1","3","6","1") = "6"
    & skf21("1","7","7","4","1","3","7","1") = "6"
    & skf21("1","7","7","4","1","4","1","1") = "6"
    & skf21("1","7","7","4","1","4","2","1") = "6"
    & skf21("1","7","7","4","1","4","3","1") = "6"
    & skf21("1","7","7","4","1","4","4","1") = "6"
    & skf21("1","7","7","4","1","4","5","1") = "6"
    & skf21("1","7","7","4","1","4","6","1") = "6"
    & skf21("1","7","7","4","1","4","7","1") = "6"
    & skf21("1","7","7","4","1","5","1","1") = "6"
    & skf21("1","7","7","4","1","5","2","1") = "6"
    & skf21("1","7","7","4","1","5","3","1") = "6"
    & skf21("1","7","7","4","1","5","4","1") = "6"
    & skf21("1","7","7","4","1","5","5","1") = "6"
    & skf21("1","7","7","4","1","5","6","1") = "6"
    & skf21("1","7","7","4","1","5","7","1") = "6"
    & skf21("1","7","7","4","1","6","1","1") = "6"
    & skf21("1","7","7","4","1","6","2","1") = "6"
    & skf21("1","7","7","4","1","6","3","1") = "6"
    & skf21("1","7","7","4","1","6","4","1") = "6"
    & skf21("1","7","7","4","1","6","5","1") = "6"
    & skf21("1","7","7","4","1","6","6","1") = "6"
    & skf21("1","7","7","4","1","6","7","1") = "6"
    & skf21("1","7","7","4","1","7","1","1") = "6"
    & skf21("1","7","7","4","1","7","2","1") = "6"
    & skf21("1","7","7","4","1","7","3","1") = "6"
    & skf21("1","7","7","4","1","7","4","1") = "6"
    & skf21("1","7","7","4","1","7","5","1") = "6"
    & skf21("1","7","7","4","1","7","6","1") = "6"
    & skf21("1","7","7","4","1","7","7","1") = "6"
    & skf21("1","7","7","4","2","1","1","1") = "6"
    & skf21("1","7","7","4","2","1","2","1") = "6"
    & skf21("1","7","7","4","2","1","3","1") = "6"
    & skf21("1","7","7","4","2","1","4","1") = "6"
    & skf21("1","7","7","4","2","1","5","1") = "6"
    & skf21("1","7","7","4","2","1","6","1") = "6"
    & skf21("1","7","7","4","2","1","7","1") = "6"
    & skf21("1","7","7","4","2","2","1","1") = "6"
    & skf21("1","7","7","4","2","2","2","1") = "6"
    & skf21("1","7","7","4","2","2","3","1") = "6"
    & skf21("1","7","7","4","2","2","4","1") = "6"
    & skf21("1","7","7","4","2","2","5","1") = "6"
    & skf21("1","7","7","4","2","2","6","1") = "6"
    & skf21("1","7","7","4","2","2","7","1") = "6"
    & skf21("1","7","7","4","2","3","1","1") = "6"
    & skf21("1","7","7","4","2","3","2","1") = "6"
    & skf21("1","7","7","4","2","3","3","1") = "6"
    & skf21("1","7","7","4","2","3","4","1") = "6"
    & skf21("1","7","7","4","2","3","5","1") = "6"
    & skf21("1","7","7","4","2","3","6","1") = "6"
    & skf21("1","7","7","4","2","3","7","1") = "6"
    & skf21("1","7","7","4","2","4","1","1") = "6"
    & skf21("1","7","7","4","2","4","2","1") = "6"
    & skf21("1","7","7","4","2","4","3","1") = "6"
    & skf21("1","7","7","4","2","4","4","1") = "6"
    & skf21("1","7","7","4","2","4","5","1") = "6"
    & skf21("1","7","7","4","2","4","6","1") = "6"
    & skf21("1","7","7","4","2","4","7","1") = "6"
    & skf21("1","7","7","4","2","5","1","1") = "6"
    & skf21("1","7","7","4","2","5","2","1") = "6"
    & skf21("1","7","7","4","2","5","3","1") = "6"
    & skf21("1","7","7","4","2","5","4","1") = "6"
    & skf21("1","7","7","4","2","5","5","1") = "6"
    & skf21("1","7","7","4","2","5","6","1") = "6"
    & skf21("1","7","7","4","2","5","7","1") = "6"
    & skf21("1","7","7","4","2","6","1","1") = "6"
    & skf21("1","7","7","4","2","6","2","1") = "6"
    & skf21("1","7","7","4","2","6","3","1") = "6"
    & skf21("1","7","7","4","2","6","4","1") = "6"
    & skf21("1","7","7","4","2","6","5","1") = "6"
    & skf21("1","7","7","4","2","6","6","1") = "6"
    & skf21("1","7","7","4","2","6","7","1") = "6"
    & skf21("1","7","7","4","2","7","1","1") = "6"
    & skf21("1","7","7","4","2","7","2","1") = "6"
    & skf21("1","7","7","4","2","7","3","1") = "6"
    & skf21("1","7","7","4","2","7","4","1") = "6"
    & skf21("1","7","7","4","2","7","5","1") = "6"
    & skf21("1","7","7","4","2","7","6","1") = "6"
    & skf21("1","7","7","4","2","7","7","1") = "6"
    & skf21("1","7","7","4","3","1","1","1") = "6"
    & skf21("1","7","7","4","3","1","2","1") = "6"
    & skf21("1","7","7","4","3","1","3","1") = "6"
    & skf21("1","7","7","4","3","1","4","1") = "6"
    & skf21("1","7","7","4","3","1","5","1") = "6"
    & skf21("1","7","7","4","3","1","6","1") = "6"
    & skf21("1","7","7","4","3","1","7","1") = "6"
    & skf21("1","7","7","4","3","2","1","1") = "6"
    & skf21("1","7","7","4","3","2","2","1") = "6"
    & skf21("1","7","7","4","3","2","3","1") = "6"
    & skf21("1","7","7","4","3","2","4","1") = "6"
    & skf21("1","7","7","4","3","2","5","1") = "6"
    & skf21("1","7","7","4","3","2","6","1") = "6"
    & skf21("1","7","7","4","3","2","7","1") = "6"
    & skf21("1","7","7","4","3","3","1","1") = "6"
    & skf21("1","7","7","4","3","3","2","1") = "6"
    & skf21("1","7","7","4","3","3","3","1") = "6"
    & skf21("1","7","7","4","3","3","4","1") = "6"
    & skf21("1","7","7","4","3","3","5","1") = "6"
    & skf21("1","7","7","4","3","3","6","1") = "6"
    & skf21("1","7","7","4","3","3","7","1") = "6"
    & skf21("1","7","7","4","3","4","1","1") = "6"
    & skf21("1","7","7","4","3","4","2","1") = "6"
    & skf21("1","7","7","4","3","4","3","1") = "6"
    & skf21("1","7","7","4","3","4","4","1") = "6"
    & skf21("1","7","7","4","3","4","5","1") = "6"
    & skf21("1","7","7","4","3","4","6","1") = "6"
    & skf21("1","7","7","4","3","4","7","1") = "6"
    & skf21("1","7","7","4","3","5","1","1") = "6"
    & skf21("1","7","7","4","3","5","2","1") = "6"
    & skf21("1","7","7","4","3","5","3","1") = "6"
    & skf21("1","7","7","4","3","5","4","1") = "6"
    & skf21("1","7","7","4","3","5","5","1") = "6"
    & skf21("1","7","7","4","3","5","6","1") = "6"
    & skf21("1","7","7","4","3","5","7","1") = "6"
    & skf21("1","7","7","4","3","6","1","1") = "6"
    & skf21("1","7","7","4","3","6","2","1") = "6"
    & skf21("1","7","7","4","3","6","3","1") = "6"
    & skf21("1","7","7","4","3","6","4","1") = "6"
    & skf21("1","7","7","4","3","6","5","1") = "6"
    & skf21("1","7","7","4","3","6","6","1") = "6"
    & skf21("1","7","7","4","3","6","7","1") = "6"
    & skf21("1","7","7","4","3","7","1","1") = "6"
    & skf21("1","7","7","4","3","7","2","1") = "6"
    & skf21("1","7","7","4","3","7","3","1") = "6"
    & skf21("1","7","7","4","3","7","4","1") = "6"
    & skf21("1","7","7","4","3","7","5","1") = "6"
    & skf21("1","7","7","4","3","7","6","1") = "6"
    & skf21("1","7","7","4","3","7","7","1") = "6"
    & skf21("1","7","7","4","4","1","1","1") = "6"
    & skf21("1","7","7","4","4","1","2","1") = "6"
    & skf21("1","7","7","4","4","1","3","1") = "6"
    & skf21("1","7","7","4","4","1","4","1") = "6"
    & skf21("1","7","7","4","4","1","5","1") = "6"
    & skf21("1","7","7","4","4","1","6","1") = "6"
    & skf21("1","7","7","4","4","1","7","1") = "6"
    & skf21("1","7","7","4","4","2","1","1") = "6"
    & skf21("1","7","7","4","4","2","2","1") = "6"
    & skf21("1","7","7","4","4","2","3","1") = "6"
    & skf21("1","7","7","4","4","2","4","1") = "6"
    & skf21("1","7","7","4","4","2","5","1") = "6"
    & skf21("1","7","7","4","4","2","6","1") = "6"
    & skf21("1","7","7","4","4","2","7","1") = "6"
    & skf21("1","7","7","4","4","3","1","1") = "6"
    & skf21("1","7","7","4","4","3","2","1") = "6"
    & skf21("1","7","7","4","4","3","3","1") = "6"
    & skf21("1","7","7","4","4","3","4","1") = "6"
    & skf21("1","7","7","4","4","3","5","1") = "6"
    & skf21("1","7","7","4","4","3","6","1") = "6"
    & skf21("1","7","7","4","4","3","7","1") = "6"
    & skf21("1","7","7","4","4","4","1","1") = "6"
    & skf21("1","7","7","4","4","4","2","1") = "6"
    & skf21("1","7","7","4","4","4","3","1") = "6"
    & skf21("1","7","7","4","4","4","4","1") = "6"
    & skf21("1","7","7","4","4","4","5","1") = "6"
    & skf21("1","7","7","4","4","4","6","1") = "6"
    & skf21("1","7","7","4","4","4","7","1") = "6"
    & skf21("1","7","7","4","4","5","1","1") = "6"
    & skf21("1","7","7","4","4","5","2","1") = "6"
    & skf21("1","7","7","4","4","5","3","1") = "6"
    & skf21("1","7","7","4","4","5","4","1") = "6"
    & skf21("1","7","7","4","4","5","5","1") = "6"
    & skf21("1","7","7","4","4","5","6","1") = "6"
    & skf21("1","7","7","4","4","5","7","1") = "6"
    & skf21("1","7","7","4","4","6","1","1") = "6"
    & skf21("1","7","7","4","4","6","2","1") = "6"
    & skf21("1","7","7","4","4","6","3","1") = "6"
    & skf21("1","7","7","4","4","6","4","1") = "6"
    & skf21("1","7","7","4","4","6","5","1") = "6"
    & skf21("1","7","7","4","4","6","6","1") = "6"
    & skf21("1","7","7","4","4","6","7","1") = "6"
    & skf21("1","7","7","4","4","7","1","1") = "6"
    & skf21("1","7","7","4","4","7","2","1") = "6"
    & skf21("1","7","7","4","4","7","3","1") = "6"
    & skf21("1","7","7","4","4","7","4","1") = "6"
    & skf21("1","7","7","4","4","7","5","1") = "6"
    & skf21("1","7","7","4","4","7","6","1") = "6"
    & skf21("1","7","7","4","4","7","7","1") = "6"
    & skf21("1","7","7","4","5","1","1","1") = "6"
    & skf21("1","7","7","4","5","1","2","1") = "6"
    & skf21("1","7","7","4","5","1","3","1") = "6"
    & skf21("1","7","7","4","5","1","4","1") = "6"
    & skf21("1","7","7","4","5","1","5","1") = "6"
    & skf21("1","7","7","4","5","1","6","1") = "6"
    & skf21("1","7","7","4","5","1","7","1") = "6"
    & skf21("1","7","7","4","5","2","1","1") = "6"
    & skf21("1","7","7","4","5","2","2","1") = "6"
    & skf21("1","7","7","4","5","2","3","1") = "6"
    & skf21("1","7","7","4","5","2","4","1") = "6"
    & skf21("1","7","7","4","5","2","5","1") = "6"
    & skf21("1","7","7","4","5","2","6","1") = "6"
    & skf21("1","7","7","4","5","2","7","1") = "6"
    & skf21("1","7","7","4","5","3","1","1") = "6"
    & skf21("1","7","7","4","5","3","2","1") = "6"
    & skf21("1","7","7","4","5","3","3","1") = "6"
    & skf21("1","7","7","4","5","3","4","1") = "6"
    & skf21("1","7","7","4","5","3","5","1") = "6"
    & skf21("1","7","7","4","5","3","6","1") = "6"
    & skf21("1","7","7","4","5","3","7","1") = "6"
    & skf21("1","7","7","4","5","4","1","1") = "6"
    & skf21("1","7","7","4","5","4","2","1") = "6"
    & skf21("1","7","7","4","5","4","3","1") = "6"
    & skf21("1","7","7","4","5","4","4","1") = "6"
    & skf21("1","7","7","4","5","4","5","1") = "6"
    & skf21("1","7","7","4","5","4","6","1") = "6"
    & skf21("1","7","7","4","5","4","7","1") = "6"
    & skf21("1","7","7","4","5","5","1","1") = "6"
    & skf21("1","7","7","4","5","5","2","1") = "6"
    & skf21("1","7","7","4","5","5","3","1") = "6"
    & skf21("1","7","7","4","5","5","4","1") = "6"
    & skf21("1","7","7","4","5","5","5","1") = "6"
    & skf21("1","7","7","4","5","5","6","1") = "6"
    & skf21("1","7","7","4","5","5","7","1") = "6"
    & skf21("1","7","7","4","5","6","1","1") = "6"
    & skf21("1","7","7","4","5","6","2","1") = "6"
    & skf21("1","7","7","4","5","6","3","1") = "6"
    & skf21("1","7","7","4","5","6","4","1") = "6"
    & skf21("1","7","7","4","5","6","5","1") = "6"
    & skf21("1","7","7","4","5","6","6","1") = "6"
    & skf21("1","7","7","4","5","6","7","1") = "6"
    & skf21("1","7","7","4","5","7","1","1") = "6"
    & skf21("1","7","7","4","5","7","2","1") = "6"
    & skf21("1","7","7","4","5","7","3","1") = "6"
    & skf21("1","7","7","4","5","7","4","1") = "6"
    & skf21("1","7","7","4","5","7","5","1") = "6"
    & skf21("1","7","7","4","5","7","6","1") = "6"
    & skf21("1","7","7","4","5","7","7","1") = "6"
    & skf21("1","7","7","4","6","1","1","1") = "6"
    & skf21("1","7","7","4","6","1","2","1") = "6"
    & skf21("1","7","7","4","6","1","3","1") = "6"
    & skf21("1","7","7","4","6","1","4","1") = "6"
    & skf21("1","7","7","4","6","1","5","1") = "6"
    & skf21("1","7","7","4","6","1","6","1") = "6"
    & skf21("1","7","7","4","6","1","7","1") = "6"
    & skf21("1","7","7","4","6","2","1","1") = "6"
    & skf21("1","7","7","4","6","2","2","1") = "6"
    & skf21("1","7","7","4","6","2","3","1") = "6"
    & skf21("1","7","7","4","6","2","4","1") = "6"
    & skf21("1","7","7","4","6","2","5","1") = "6"
    & skf21("1","7","7","4","6","2","6","1") = "6"
    & skf21("1","7","7","4","6","2","7","1") = "6"
    & skf21("1","7","7","4","6","3","1","1") = "6"
    & skf21("1","7","7","4","6","3","2","1") = "6"
    & skf21("1","7","7","4","6","3","3","1") = "6"
    & skf21("1","7","7","4","6","3","4","1") = "6"
    & skf21("1","7","7","4","6","3","5","1") = "6"
    & skf21("1","7","7","4","6","3","6","1") = "6"
    & skf21("1","7","7","4","6","3","7","1") = "6"
    & skf21("1","7","7","4","6","4","1","1") = "6"
    & skf21("1","7","7","4","6","4","2","1") = "6"
    & skf21("1","7","7","4","6","4","3","1") = "6"
    & skf21("1","7","7","4","6","4","4","1") = "6"
    & skf21("1","7","7","4","6","4","5","1") = "6"
    & skf21("1","7","7","4","6","4","6","1") = "6"
    & skf21("1","7","7","4","6","4","7","1") = "6"
    & skf21("1","7","7","4","6","5","1","1") = "6"
    & skf21("1","7","7","4","6","5","2","1") = "6"
    & skf21("1","7","7","4","6","5","3","1") = "6"
    & skf21("1","7","7","4","6","5","4","1") = "6"
    & skf21("1","7","7","4","6","5","5","1") = "6"
    & skf21("1","7","7","4","6","5","6","1") = "6"
    & skf21("1","7","7","4","6","5","7","1") = "6"
    & skf21("1","7","7","4","6","6","1","1") = "6"
    & skf21("1","7","7","4","6","6","2","1") = "6"
    & skf21("1","7","7","4","6","6","3","1") = "6"
    & skf21("1","7","7","4","6","6","4","1") = "6"
    & skf21("1","7","7","4","6","6","5","1") = "6"
    & skf21("1","7","7","4","6","6","6","1") = "6"
    & skf21("1","7","7","4","6","6","7","1") = "6"
    & skf21("1","7","7","4","6","7","1","1") = "6"
    & skf21("1","7","7","4","6","7","2","1") = "6"
    & skf21("1","7","7","4","6","7","3","1") = "6"
    & skf21("1","7","7","4","6","7","4","1") = "6"
    & skf21("1","7","7","4","6","7","5","1") = "6"
    & skf21("1","7","7","4","6","7","6","1") = "6"
    & skf21("1","7","7","4","6","7","7","1") = "6"
    & skf21("1","7","7","4","7","1","1","1") = "6"
    & skf21("1","7","7","4","7","1","2","1") = "6"
    & skf21("1","7","7","4","7","1","3","1") = "6"
    & skf21("1","7","7","4","7","1","4","1") = "6"
    & skf21("1","7","7","4","7","1","5","1") = "6"
    & skf21("1","7","7","4","7","1","6","1") = "6"
    & skf21("1","7","7","4","7","1","7","1") = "6"
    & skf21("1","7","7","4","7","2","1","1") = "6"
    & skf21("1","7","7","4","7","2","2","1") = "6"
    & skf21("1","7","7","4","7","2","3","1") = "6"
    & skf21("1","7","7","4","7","2","4","1") = "6"
    & skf21("1","7","7","4","7","2","5","1") = "6"
    & skf21("1","7","7","4","7","2","6","1") = "6"
    & skf21("1","7","7","4","7","2","7","1") = "6"
    & skf21("1","7","7","4","7","3","1","1") = "6"
    & skf21("1","7","7","4","7","3","2","1") = "6"
    & skf21("1","7","7","4","7","3","3","1") = "6"
    & skf21("1","7","7","4","7","3","4","1") = "6"
    & skf21("1","7","7","4","7","3","5","1") = "6"
    & skf21("1","7","7","4","7","3","6","1") = "6"
    & skf21("1","7","7","4","7","3","7","1") = "6"
    & skf21("1","7","7","4","7","4","1","1") = "6"
    & skf21("1","7","7","4","7","4","2","1") = "6"
    & skf21("1","7","7","4","7","4","3","1") = "6"
    & skf21("1","7","7","4","7","4","4","1") = "6"
    & skf21("1","7","7","4","7","4","5","1") = "6"
    & skf21("1","7","7","4","7","4","6","1") = "6"
    & skf21("1","7","7","4","7","4","7","1") = "6"
    & skf21("1","7","7","4","7","5","1","1") = "6"
    & skf21("1","7","7","4","7","5","2","1") = "6"
    & skf21("1","7","7","4","7","5","3","1") = "6"
    & skf21("1","7","7","4","7","5","4","1") = "6"
    & skf21("1","7","7","4","7","5","5","1") = "6"
    & skf21("1","7","7","4","7","5","6","1") = "6"
    & skf21("1","7","7","4","7","5","7","1") = "6"
    & skf21("1","7","7","4","7","6","1","1") = "6"
    & skf21("1","7","7","4","7","6","2","1") = "6"
    & skf21("1","7","7","4","7","6","3","1") = "6"
    & skf21("1","7","7","4","7","6","4","1") = "6"
    & skf21("1","7","7","4","7","6","5","1") = "6"
    & skf21("1","7","7","4","7","6","6","1") = "6"
    & skf21("1","7","7","4","7","6","7","1") = "6"
    & skf21("1","7","7","4","7","7","1","1") = "6"
    & skf21("1","7","7","4","7","7","2","1") = "6"
    & skf21("1","7","7","4","7","7","3","1") = "6"
    & skf21("1","7","7","4","7","7","4","1") = "6"
    & skf21("1","7","7","4","7","7","5","1") = "6"
    & skf21("1","7","7","4","7","7","6","1") = "6"
    & skf21("1","7","7","4","7","7","7","1") = "6"
    & skf21("1","7","7","5","1","1","1","1") = "6"
    & skf21("1","7","7","5","1","1","2","1") = "6"
    & skf21("1","7","7","5","1","1","3","1") = "6"
    & skf21("1","7","7","5","1","1","4","1") = "6"
    & skf21("1","7","7","5","1","1","5","1") = "6"
    & skf21("1","7","7","5","1","1","6","1") = "6"
    & skf21("1","7","7","5","1","1","7","1") = "6"
    & skf21("1","7","7","5","1","2","1","1") = "6"
    & skf21("1","7","7","5","1","2","2","1") = "6"
    & skf21("1","7","7","5","1","2","3","1") = "6"
    & skf21("1","7","7","5","1","2","4","1") = "6"
    & skf21("1","7","7","5","1","2","5","1") = "6"
    & skf21("1","7","7","5","1","2","6","1") = "6"
    & skf21("1","7","7","5","1","2","7","1") = "6"
    & skf21("1","7","7","5","1","3","1","1") = "6"
    & skf21("1","7","7","5","1","3","2","1") = "6"
    & skf21("1","7","7","5","1","3","3","1") = "6"
    & skf21("1","7","7","5","1","3","4","1") = "6"
    & skf21("1","7","7","5","1","3","5","1") = "6"
    & skf21("1","7","7","5","1","3","6","1") = "6"
    & skf21("1","7","7","5","1","3","7","1") = "6"
    & skf21("1","7","7","5","1","4","1","1") = "6"
    & skf21("1","7","7","5","1","4","2","1") = "6"
    & skf21("1","7","7","5","1","4","3","1") = "6"
    & skf21("1","7","7","5","1","4","4","1") = "6"
    & skf21("1","7","7","5","1","4","5","1") = "6"
    & skf21("1","7","7","5","1","4","6","1") = "6"
    & skf21("1","7","7","5","1","4","7","1") = "6"
    & skf21("1","7","7","5","1","5","1","1") = "6"
    & skf21("1","7","7","5","1","5","2","1") = "6"
    & skf21("1","7","7","5","1","5","3","1") = "6"
    & skf21("1","7","7","5","1","5","4","1") = "6"
    & skf21("1","7","7","5","1","5","5","1") = "6"
    & skf21("1","7","7","5","1","5","6","1") = "6"
    & skf21("1","7","7","5","1","5","7","1") = "6"
    & skf21("1","7","7","5","1","6","1","1") = "6"
    & skf21("1","7","7","5","1","6","2","1") = "6"
    & skf21("1","7","7","5","1","6","3","1") = "6"
    & skf21("1","7","7","5","1","6","4","1") = "6"
    & skf21("1","7","7","5","1","6","5","1") = "6"
    & skf21("1","7","7","5","1","6","6","1") = "6"
    & skf21("1","7","7","5","1","6","7","1") = "6"
    & skf21("1","7","7","5","1","7","1","1") = "6"
    & skf21("1","7","7","5","1","7","2","1") = "6"
    & skf21("1","7","7","5","1","7","3","1") = "6"
    & skf21("1","7","7","5","1","7","4","1") = "6"
    & skf21("1","7","7","5","1","7","5","1") = "6"
    & skf21("1","7","7","5","1","7","6","1") = "6"
    & skf21("1","7","7","5","1","7","7","1") = "6"
    & skf21("1","7","7","5","2","1","1","1") = "6"
    & skf21("1","7","7","5","2","1","2","1") = "6"
    & skf21("1","7","7","5","2","1","3","1") = "6"
    & skf21("1","7","7","5","2","1","4","1") = "6"
    & skf21("1","7","7","5","2","1","5","1") = "6"
    & skf21("1","7","7","5","2","1","6","1") = "6"
    & skf21("1","7","7","5","2","1","7","1") = "6"
    & skf21("1","7","7","5","2","2","1","1") = "6"
    & skf21("1","7","7","5","2","2","2","1") = "6"
    & skf21("1","7","7","5","2","2","3","1") = "6"
    & skf21("1","7","7","5","2","2","4","1") = "6"
    & skf21("1","7","7","5","2","2","5","1") = "6"
    & skf21("1","7","7","5","2","2","6","1") = "6"
    & skf21("1","7","7","5","2","2","7","1") = "6"
    & skf21("1","7","7","5","2","3","1","1") = "6"
    & skf21("1","7","7","5","2","3","2","1") = "6"
    & skf21("1","7","7","5","2","3","3","1") = "6"
    & skf21("1","7","7","5","2","3","4","1") = "6"
    & skf21("1","7","7","5","2","3","5","1") = "6"
    & skf21("1","7","7","5","2","3","6","1") = "6"
    & skf21("1","7","7","5","2","3","7","1") = "6"
    & skf21("1","7","7","5","2","4","1","1") = "6"
    & skf21("1","7","7","5","2","4","2","1") = "6"
    & skf21("1","7","7","5","2","4","3","1") = "6"
    & skf21("1","7","7","5","2","4","4","1") = "6"
    & skf21("1","7","7","5","2","4","5","1") = "6"
    & skf21("1","7","7","5","2","4","6","1") = "6"
    & skf21("1","7","7","5","2","4","7","1") = "6"
    & skf21("1","7","7","5","2","5","1","1") = "6"
    & skf21("1","7","7","5","2","5","2","1") = "6"
    & skf21("1","7","7","5","2","5","3","1") = "6"
    & skf21("1","7","7","5","2","5","4","1") = "6"
    & skf21("1","7","7","5","2","5","5","1") = "6"
    & skf21("1","7","7","5","2","5","6","1") = "6"
    & skf21("1","7","7","5","2","5","7","1") = "6"
    & skf21("1","7","7","5","2","6","1","1") = "6"
    & skf21("1","7","7","5","2","6","2","1") = "6"
    & skf21("1","7","7","5","2","6","3","1") = "6"
    & skf21("1","7","7","5","2","6","4","1") = "6"
    & skf21("1","7","7","5","2","6","5","1") = "6"
    & skf21("1","7","7","5","2","6","6","1") = "6"
    & skf21("1","7","7","5","2","6","7","1") = "6"
    & skf21("1","7","7","5","2","7","1","1") = "6"
    & skf21("1","7","7","5","2","7","2","1") = "6"
    & skf21("1","7","7","5","2","7","3","1") = "6"
    & skf21("1","7","7","5","2","7","4","1") = "6"
    & skf21("1","7","7","5","2","7","5","1") = "6"
    & skf21("1","7","7","5","2","7","6","1") = "6"
    & skf21("1","7","7","5","2","7","7","1") = "6"
    & skf21("1","7","7","5","3","1","1","1") = "6"
    & skf21("1","7","7","5","3","1","2","1") = "6"
    & skf21("1","7","7","5","3","1","3","1") = "6"
    & skf21("1","7","7","5","3","1","4","1") = "6"
    & skf21("1","7","7","5","3","1","5","1") = "6"
    & skf21("1","7","7","5","3","1","6","1") = "6"
    & skf21("1","7","7","5","3","1","7","1") = "6"
    & skf21("1","7","7","5","3","2","1","1") = "6"
    & skf21("1","7","7","5","3","2","2","1") = "6"
    & skf21("1","7","7","5","3","2","3","1") = "6"
    & skf21("1","7","7","5","3","2","4","1") = "6"
    & skf21("1","7","7","5","3","2","5","1") = "6"
    & skf21("1","7","7","5","3","2","6","1") = "6"
    & skf21("1","7","7","5","3","2","7","1") = "6"
    & skf21("1","7","7","5","3","3","1","1") = "6"
    & skf21("1","7","7","5","3","3","2","1") = "6"
    & skf21("1","7","7","5","3","3","3","1") = "6"
    & skf21("1","7","7","5","3","3","4","1") = "6"
    & skf21("1","7","7","5","3","3","5","1") = "6"
    & skf21("1","7","7","5","3","3","6","1") = "6"
    & skf21("1","7","7","5","3","3","7","1") = "6"
    & skf21("1","7","7","5","3","4","1","1") = "6"
    & skf21("1","7","7","5","3","4","2","1") = "6"
    & skf21("1","7","7","5","3","4","3","1") = "6"
    & skf21("1","7","7","5","3","4","4","1") = "6"
    & skf21("1","7","7","5","3","4","5","1") = "6"
    & skf21("1","7","7","5","3","4","6","1") = "6"
    & skf21("1","7","7","5","3","4","7","1") = "6"
    & skf21("1","7","7","5","3","5","1","1") = "6"
    & skf21("1","7","7","5","3","5","2","1") = "6"
    & skf21("1","7","7","5","3","5","3","1") = "6"
    & skf21("1","7","7","5","3","5","4","1") = "6"
    & skf21("1","7","7","5","3","5","5","1") = "6"
    & skf21("1","7","7","5","3","5","6","1") = "6"
    & skf21("1","7","7","5","3","5","7","1") = "6"
    & skf21("1","7","7","5","3","6","1","1") = "6"
    & skf21("1","7","7","5","3","6","2","1") = "6"
    & skf21("1","7","7","5","3","6","3","1") = "6"
    & skf21("1","7","7","5","3","6","4","1") = "6"
    & skf21("1","7","7","5","3","6","5","1") = "6"
    & skf21("1","7","7","5","3","6","6","1") = "6"
    & skf21("1","7","7","5","3","6","7","1") = "6"
    & skf21("1","7","7","5","3","7","1","1") = "6"
    & skf21("1","7","7","5","3","7","2","1") = "6"
    & skf21("1","7","7","5","3","7","3","1") = "6"
    & skf21("1","7","7","5","3","7","4","1") = "6"
    & skf21("1","7","7","5","3","7","5","1") = "6"
    & skf21("1","7","7","5","3","7","6","1") = "6"
    & skf21("1","7","7","5","3","7","7","1") = "6"
    & skf21("1","7","7","5","4","1","1","1") = "6"
    & skf21("1","7","7","5","4","1","2","1") = "6"
    & skf21("1","7","7","5","4","1","3","1") = "6"
    & skf21("1","7","7","5","4","1","4","1") = "6"
    & skf21("1","7","7","5","4","1","5","1") = "6"
    & skf21("1","7","7","5","4","1","6","1") = "6"
    & skf21("1","7","7","5","4","1","7","1") = "6"
    & skf21("1","7","7","5","4","2","1","1") = "6"
    & skf21("1","7","7","5","4","2","2","1") = "6"
    & skf21("1","7","7","5","4","2","3","1") = "6"
    & skf21("1","7","7","5","4","2","4","1") = "6"
    & skf21("1","7","7","5","4","2","5","1") = "6"
    & skf21("1","7","7","5","4","2","6","1") = "6"
    & skf21("1","7","7","5","4","2","7","1") = "6"
    & skf21("1","7","7","5","4","3","1","1") = "6"
    & skf21("1","7","7","5","4","3","2","1") = "6"
    & skf21("1","7","7","5","4","3","3","1") = "6"
    & skf21("1","7","7","5","4","3","4","1") = "6"
    & skf21("1","7","7","5","4","3","5","1") = "6"
    & skf21("1","7","7","5","4","3","6","1") = "6"
    & skf21("1","7","7","5","4","3","7","1") = "6"
    & skf21("1","7","7","5","4","4","1","1") = "6"
    & skf21("1","7","7","5","4","4","2","1") = "6"
    & skf21("1","7","7","5","4","4","3","1") = "6"
    & skf21("1","7","7","5","4","4","4","1") = "6"
    & skf21("1","7","7","5","4","4","5","1") = "6"
    & skf21("1","7","7","5","4","4","6","1") = "6"
    & skf21("1","7","7","5","4","4","7","1") = "6"
    & skf21("1","7","7","5","4","5","1","1") = "6"
    & skf21("1","7","7","5","4","5","2","1") = "6"
    & skf21("1","7","7","5","4","5","3","1") = "6"
    & skf21("1","7","7","5","4","5","4","1") = "6"
    & skf21("1","7","7","5","4","5","5","1") = "6"
    & skf21("1","7","7","5","4","5","6","1") = "6"
    & skf21("1","7","7","5","4","5","7","1") = "6"
    & skf21("1","7","7","5","4","6","1","1") = "6"
    & skf21("1","7","7","5","4","6","2","1") = "6"
    & skf21("1","7","7","5","4","6","3","1") = "6"
    & skf21("1","7","7","5","4","6","4","1") = "6"
    & skf21("1","7","7","5","4","6","5","1") = "6"
    & skf21("1","7","7","5","4","6","6","1") = "6"
    & skf21("1","7","7","5","4","6","7","1") = "6"
    & skf21("1","7","7","5","4","7","1","1") = "6"
    & skf21("1","7","7","5","4","7","2","1") = "6"
    & skf21("1","7","7","5","4","7","3","1") = "6"
    & skf21("1","7","7","5","4","7","4","1") = "6"
    & skf21("1","7","7","5","4","7","5","1") = "6"
    & skf21("1","7","7","5","4","7","6","1") = "6"
    & skf21("1","7","7","5","4","7","7","1") = "6"
    & skf21("1","7","7","5","5","1","1","1") = "6"
    & skf21("1","7","7","5","5","1","2","1") = "6"
    & skf21("1","7","7","5","5","1","3","1") = "6"
    & skf21("1","7","7","5","5","1","4","1") = "6"
    & skf21("1","7","7","5","5","1","5","1") = "6"
    & skf21("1","7","7","5","5","1","6","1") = "6"
    & skf21("1","7","7","5","5","1","7","1") = "6"
    & skf21("1","7","7","5","5","2","1","1") = "6"
    & skf21("1","7","7","5","5","2","2","1") = "6"
    & skf21("1","7","7","5","5","2","3","1") = "6"
    & skf21("1","7","7","5","5","2","4","1") = "6"
    & skf21("1","7","7","5","5","2","5","1") = "6"
    & skf21("1","7","7","5","5","2","6","1") = "6"
    & skf21("1","7","7","5","5","2","7","1") = "6"
    & skf21("1","7","7","5","5","3","1","1") = "6"
    & skf21("1","7","7","5","5","3","2","1") = "6"
    & skf21("1","7","7","5","5","3","3","1") = "6"
    & skf21("1","7","7","5","5","3","4","1") = "6"
    & skf21("1","7","7","5","5","3","5","1") = "6"
    & skf21("1","7","7","5","5","3","6","1") = "6"
    & skf21("1","7","7","5","5","3","7","1") = "6"
    & skf21("1","7","7","5","5","4","1","1") = "6"
    & skf21("1","7","7","5","5","4","2","1") = "6"
    & skf21("1","7","7","5","5","4","3","1") = "6"
    & skf21("1","7","7","5","5","4","4","1") = "6"
    & skf21("1","7","7","5","5","4","5","1") = "6"
    & skf21("1","7","7","5","5","4","6","1") = "6"
    & skf21("1","7","7","5","5","4","7","1") = "6"
    & skf21("1","7","7","5","5","5","1","1") = "6"
    & skf21("1","7","7","5","5","5","2","1") = "6"
    & skf21("1","7","7","5","5","5","3","1") = "6"
    & skf21("1","7","7","5","5","5","4","1") = "6"
    & skf21("1","7","7","5","5","5","5","1") = "6"
    & skf21("1","7","7","5","5","5","6","1") = "6"
    & skf21("1","7","7","5","5","5","7","1") = "6"
    & skf21("1","7","7","5","5","6","1","1") = "6"
    & skf21("1","7","7","5","5","6","2","1") = "6"
    & skf21("1","7","7","5","5","6","3","1") = "6"
    & skf21("1","7","7","5","5","6","4","1") = "6"
    & skf21("1","7","7","5","5","6","5","1") = "6"
    & skf21("1","7","7","5","5","6","6","1") = "6"
    & skf21("1","7","7","5","5","6","7","1") = "6"
    & skf21("1","7","7","5","5","7","1","1") = "6"
    & skf21("1","7","7","5","5","7","2","1") = "6"
    & skf21("1","7","7","5","5","7","3","1") = "6"
    & skf21("1","7","7","5","5","7","4","1") = "6"
    & skf21("1","7","7","5","5","7","5","1") = "6"
    & skf21("1","7","7","5","5","7","6","1") = "6"
    & skf21("1","7","7","5","5","7","7","1") = "6"
    & skf21("1","7","7","5","6","1","1","1") = "6"
    & skf21("1","7","7","5","6","1","2","1") = "6"
    & skf21("1","7","7","5","6","1","3","1") = "6"
    & skf21("1","7","7","5","6","1","4","1") = "6"
    & skf21("1","7","7","5","6","1","5","1") = "6"
    & skf21("1","7","7","5","6","1","6","1") = "6"
    & skf21("1","7","7","5","6","1","7","1") = "6"
    & skf21("1","7","7","5","6","2","1","1") = "6"
    & skf21("1","7","7","5","6","2","2","1") = "6"
    & skf21("1","7","7","5","6","2","3","1") = "6"
    & skf21("1","7","7","5","6","2","4","1") = "6"
    & skf21("1","7","7","5","6","2","5","1") = "6"
    & skf21("1","7","7","5","6","2","6","1") = "6"
    & skf21("1","7","7","5","6","2","7","1") = "6"
    & skf21("1","7","7","5","6","3","1","1") = "6"
    & skf21("1","7","7","5","6","3","2","1") = "6"
    & skf21("1","7","7","5","6","3","3","1") = "6"
    & skf21("1","7","7","5","6","3","4","1") = "6"
    & skf21("1","7","7","5","6","3","5","1") = "6"
    & skf21("1","7","7","5","6","3","6","1") = "6"
    & skf21("1","7","7","5","6","3","7","1") = "6"
    & skf21("1","7","7","5","6","4","1","1") = "6"
    & skf21("1","7","7","5","6","4","2","1") = "6"
    & skf21("1","7","7","5","6","4","3","1") = "6"
    & skf21("1","7","7","5","6","4","4","1") = "6"
    & skf21("1","7","7","5","6","4","5","1") = "6"
    & skf21("1","7","7","5","6","4","6","1") = "6"
    & skf21("1","7","7","5","6","4","7","1") = "6"
    & skf21("1","7","7","5","6","5","1","1") = "6"
    & skf21("1","7","7","5","6","5","2","1") = "6"
    & skf21("1","7","7","5","6","5","3","1") = "6"
    & skf21("1","7","7","5","6","5","4","1") = "6"
    & skf21("1","7","7","5","6","5","5","1") = "6"
    & skf21("1","7","7","5","6","5","6","1") = "6"
    & skf21("1","7","7","5","6","5","7","1") = "6"
    & skf21("1","7","7","5","6","6","1","1") = "6"
    & skf21("1","7","7","5","6","6","2","1") = "6"
    & skf21("1","7","7","5","6","6","3","1") = "6"
    & skf21("1","7","7","5","6","6","4","1") = "6"
    & skf21("1","7","7","5","6","6","5","1") = "6"
    & skf21("1","7","7","5","6","6","6","1") = "6"
    & skf21("1","7","7","5","6","6","7","1") = "6"
    & skf21("1","7","7","5","6","7","1","1") = "6"
    & skf21("1","7","7","5","6","7","2","1") = "6"
    & skf21("1","7","7","5","6","7","3","1") = "6"
    & skf21("1","7","7","5","6","7","4","1") = "6"
    & skf21("1","7","7","5","6","7","5","1") = "6"
    & skf21("1","7","7","5","6","7","6","1") = "6"
    & skf21("1","7","7","5","6","7","7","1") = "6"
    & skf21("1","7","7","5","7","1","1","1") = "6"
    & skf21("1","7","7","5","7","1","2","1") = "6"
    & skf21("1","7","7","5","7","1","3","1") = "6"
    & skf21("1","7","7","5","7","1","4","1") = "6"
    & skf21("1","7","7","5","7","1","5","1") = "6"
    & skf21("1","7","7","5","7","1","6","1") = "6"
    & skf21("1","7","7","5","7","1","7","1") = "6"
    & skf21("1","7","7","5","7","2","1","1") = "6"
    & skf21("1","7","7","5","7","2","2","1") = "6"
    & skf21("1","7","7","5","7","2","3","1") = "6"
    & skf21("1","7","7","5","7","2","4","1") = "6"
    & skf21("1","7","7","5","7","2","5","1") = "6"
    & skf21("1","7","7","5","7","2","6","1") = "6"
    & skf21("1","7","7","5","7","2","7","1") = "6"
    & skf21("1","7","7","5","7","3","1","1") = "6"
    & skf21("1","7","7","5","7","3","2","1") = "6"
    & skf21("1","7","7","5","7","3","3","1") = "6"
    & skf21("1","7","7","5","7","3","4","1") = "6"
    & skf21("1","7","7","5","7","3","5","1") = "6"
    & skf21("1","7","7","5","7","3","6","1") = "6"
    & skf21("1","7","7","5","7","3","7","1") = "6"
    & skf21("1","7","7","5","7","4","1","1") = "6"
    & skf21("1","7","7","5","7","4","2","1") = "6"
    & skf21("1","7","7","5","7","4","3","1") = "6"
    & skf21("1","7","7","5","7","4","4","1") = "6"
    & skf21("1","7","7","5","7","4","5","1") = "6"
    & skf21("1","7","7","5","7","4","6","1") = "6"
    & skf21("1","7","7","5","7","4","7","1") = "6"
    & skf21("1","7","7","5","7","5","1","1") = "6"
    & skf21("1","7","7","5","7","5","2","1") = "6"
    & skf21("1","7","7","5","7","5","3","1") = "6"
    & skf21("1","7","7","5","7","5","4","1") = "6"
    & skf21("1","7","7","5","7","5","5","1") = "6"
    & skf21("1","7","7","5","7","5","6","1") = "6"
    & skf21("1","7","7","5","7","5","7","1") = "6"
    & skf21("1","7","7","5","7","6","1","1") = "6"
    & skf21("1","7","7","5","7","6","2","1") = "6"
    & skf21("1","7","7","5","7","6","3","1") = "6"
    & skf21("1","7","7","5","7","6","4","1") = "6"
    & skf21("1","7","7","5","7","6","5","1") = "6"
    & skf21("1","7","7","5","7","6","6","1") = "6"
    & skf21("1","7","7","5","7","6","7","1") = "6"
    & skf21("1","7","7","5","7","7","1","1") = "6"
    & skf21("1","7","7","5","7","7","2","1") = "6"
    & skf21("1","7","7","5","7","7","3","1") = "6"
    & skf21("1","7","7","5","7","7","4","1") = "6"
    & skf21("1","7","7","5","7","7","5","1") = "6"
    & skf21("1","7","7","5","7","7","6","1") = "6"
    & skf21("1","7","7","5","7","7","7","1") = "6"
    & skf21("1","7","7","6","1","1","1","1") = "6"
    & skf21("1","7","7","6","1","1","2","1") = "6"
    & skf21("1","7","7","6","1","1","3","1") = "6"
    & skf21("1","7","7","6","1","1","4","1") = "6"
    & skf21("1","7","7","6","1","1","5","1") = "6"
    & skf21("1","7","7","6","1","1","6","1") = "6"
    & skf21("1","7","7","6","1","1","7","1") = "6"
    & skf21("1","7","7","6","1","2","1","1") = "6"
    & skf21("1","7","7","6","1","2","2","1") = "6"
    & skf21("1","7","7","6","1","2","3","1") = "6"
    & skf21("1","7","7","6","1","2","4","1") = "6"
    & skf21("1","7","7","6","1","2","5","1") = "6"
    & skf21("1","7","7","6","1","2","6","1") = "6"
    & skf21("1","7","7","6","1","2","7","1") = "6"
    & skf21("1","7","7","6","1","3","1","1") = "6"
    & skf21("1","7","7","6","1","3","2","1") = "6"
    & skf21("1","7","7","6","1","3","3","1") = "6"
    & skf21("1","7","7","6","1","3","4","1") = "6"
    & skf21("1","7","7","6","1","3","5","1") = "6"
    & skf21("1","7","7","6","1","3","6","1") = "6"
    & skf21("1","7","7","6","1","3","7","1") = "6"
    & skf21("1","7","7","6","1","4","1","1") = "6"
    & skf21("1","7","7","6","1","4","2","1") = "6"
    & skf21("1","7","7","6","1","4","3","1") = "6"
    & skf21("1","7","7","6","1","4","4","1") = "6"
    & skf21("1","7","7","6","1","4","5","1") = "6"
    & skf21("1","7","7","6","1","4","6","1") = "6"
    & skf21("1","7","7","6","1","4","7","1") = "6"
    & skf21("1","7","7","6","1","5","1","1") = "6"
    & skf21("1","7","7","6","1","5","2","1") = "6"
    & skf21("1","7","7","6","1","5","3","1") = "6"
    & skf21("1","7","7","6","1","5","4","1") = "6"
    & skf21("1","7","7","6","1","5","5","1") = "6"
    & skf21("1","7","7","6","1","5","6","1") = "6"
    & skf21("1","7","7","6","1","5","7","1") = "6"
    & skf21("1","7","7","6","1","6","1","1") = "6"
    & skf21("1","7","7","6","1","6","2","1") = "6"
    & skf21("1","7","7","6","1","6","3","1") = "6"
    & skf21("1","7","7","6","1","6","4","1") = "6"
    & skf21("1","7","7","6","1","6","5","1") = "6"
    & skf21("1","7","7","6","1","6","6","1") = "6"
    & skf21("1","7","7","6","1","6","7","1") = "6"
    & skf21("1","7","7","6","1","7","1","1") = "6"
    & skf21("1","7","7","6","1","7","2","1") = "6"
    & skf21("1","7","7","6","1","7","3","1") = "6"
    & skf21("1","7","7","6","1","7","4","1") = "6"
    & skf21("1","7","7","6","1","7","5","1") = "6"
    & skf21("1","7","7","6","1","7","6","1") = "6"
    & skf21("1","7","7","6","1","7","7","1") = "6"
    & skf21("1","7","7","6","2","1","1","1") = "6"
    & skf21("1","7","7","6","2","1","2","1") = "6"
    & skf21("1","7","7","6","2","1","3","1") = "6"
    & skf21("1","7","7","6","2","1","4","1") = "6"
    & skf21("1","7","7","6","2","1","5","1") = "6"
    & skf21("1","7","7","6","2","1","6","1") = "6"
    & skf21("1","7","7","6","2","1","7","1") = "6"
    & skf21("1","7","7","6","2","2","1","1") = "6"
    & skf21("1","7","7","6","2","2","2","1") = "6"
    & skf21("1","7","7","6","2","2","3","1") = "6"
    & skf21("1","7","7","6","2","2","4","1") = "6"
    & skf21("1","7","7","6","2","2","5","1") = "6"
    & skf21("1","7","7","6","2","2","6","1") = "6"
    & skf21("1","7","7","6","2","2","7","1") = "6"
    & skf21("1","7","7","6","2","3","1","1") = "6"
    & skf21("1","7","7","6","2","3","2","1") = "6"
    & skf21("1","7","7","6","2","3","3","1") = "6"
    & skf21("1","7","7","6","2","3","4","1") = "6"
    & skf21("1","7","7","6","2","3","5","1") = "6"
    & skf21("1","7","7","6","2","3","6","1") = "6"
    & skf21("1","7","7","6","2","3","7","1") = "6"
    & skf21("1","7","7","6","2","4","1","1") = "6"
    & skf21("1","7","7","6","2","4","2","1") = "6"
    & skf21("1","7","7","6","2","4","3","1") = "6"
    & skf21("1","7","7","6","2","4","4","1") = "6"
    & skf21("1","7","7","6","2","4","5","1") = "6"
    & skf21("1","7","7","6","2","4","6","1") = "6"
    & skf21("1","7","7","6","2","4","7","1") = "6"
    & skf21("1","7","7","6","2","5","1","1") = "6"
    & skf21("1","7","7","6","2","5","2","1") = "6"
    & skf21("1","7","7","6","2","5","3","1") = "6"
    & skf21("1","7","7","6","2","5","4","1") = "6"
    & skf21("1","7","7","6","2","5","5","1") = "6"
    & skf21("1","7","7","6","2","5","6","1") = "6"
    & skf21("1","7","7","6","2","5","7","1") = "6"
    & skf21("1","7","7","6","2","6","1","1") = "6"
    & skf21("1","7","7","6","2","6","2","1") = "6"
    & skf21("1","7","7","6","2","6","3","1") = "6"
    & skf21("1","7","7","6","2","6","4","1") = "6"
    & skf21("1","7","7","6","2","6","5","1") = "6"
    & skf21("1","7","7","6","2","6","6","1") = "6"
    & skf21("1","7","7","6","2","6","7","1") = "6"
    & skf21("1","7","7","6","2","7","1","1") = "6"
    & skf21("1","7","7","6","2","7","2","1") = "6"
    & skf21("1","7","7","6","2","7","3","1") = "6"
    & skf21("1","7","7","6","2","7","4","1") = "6"
    & skf21("1","7","7","6","2","7","5","1") = "6"
    & skf21("1","7","7","6","2","7","6","1") = "6"
    & skf21("1","7","7","6","2","7","7","1") = "6"
    & skf21("1","7","7","6","3","1","1","1") = "6"
    & skf21("1","7","7","6","3","1","2","1") = "6"
    & skf21("1","7","7","6","3","1","3","1") = "6"
    & skf21("1","7","7","6","3","1","4","1") = "6"
    & skf21("1","7","7","6","3","1","5","1") = "6"
    & skf21("1","7","7","6","3","1","6","1") = "6"
    & skf21("1","7","7","6","3","1","7","1") = "6"
    & skf21("1","7","7","6","3","2","1","1") = "6"
    & skf21("1","7","7","6","3","2","2","1") = "6"
    & skf21("1","7","7","6","3","2","3","1") = "6"
    & skf21("1","7","7","6","3","2","4","1") = "6"
    & skf21("1","7","7","6","3","2","5","1") = "6"
    & skf21("1","7","7","6","3","2","6","1") = "6"
    & skf21("1","7","7","6","3","2","7","1") = "6"
    & skf21("1","7","7","6","3","3","1","1") = "6"
    & skf21("1","7","7","6","3","3","2","1") = "6"
    & skf21("1","7","7","6","3","3","3","1") = "6"
    & skf21("1","7","7","6","3","3","4","1") = "6"
    & skf21("1","7","7","6","3","3","5","1") = "6"
    & skf21("1","7","7","6","3","3","6","1") = "6"
    & skf21("1","7","7","6","3","3","7","1") = "6"
    & skf21("1","7","7","6","3","4","1","1") = "6"
    & skf21("1","7","7","6","3","4","2","1") = "6"
    & skf21("1","7","7","6","3","4","3","1") = "6"
    & skf21("1","7","7","6","3","4","4","1") = "6"
    & skf21("1","7","7","6","3","4","5","1") = "6"
    & skf21("1","7","7","6","3","4","6","1") = "6"
    & skf21("1","7","7","6","3","4","7","1") = "6"
    & skf21("1","7","7","6","3","5","1","1") = "6"
    & skf21("1","7","7","6","3","5","2","1") = "6"
    & skf21("1","7","7","6","3","5","3","1") = "6"
    & skf21("1","7","7","6","3","5","4","1") = "6"
    & skf21("1","7","7","6","3","5","5","1") = "6"
    & skf21("1","7","7","6","3","5","6","1") = "6"
    & skf21("1","7","7","6","3","5","7","1") = "6"
    & skf21("1","7","7","6","3","6","1","1") = "6"
    & skf21("1","7","7","6","3","6","2","1") = "6"
    & skf21("1","7","7","6","3","6","3","1") = "6"
    & skf21("1","7","7","6","3","6","4","1") = "6"
    & skf21("1","7","7","6","3","6","5","1") = "6"
    & skf21("1","7","7","6","3","6","6","1") = "6"
    & skf21("1","7","7","6","3","6","7","1") = "6"
    & skf21("1","7","7","6","3","7","1","1") = "6"
    & skf21("1","7","7","6","3","7","2","1") = "6"
    & skf21("1","7","7","6","3","7","3","1") = "6"
    & skf21("1","7","7","6","3","7","4","1") = "6"
    & skf21("1","7","7","6","3","7","5","1") = "6"
    & skf21("1","7","7","6","3","7","6","1") = "6"
    & skf21("1","7","7","6","3","7","7","1") = "6"
    & skf21("1","7","7","6","4","1","1","1") = "6"
    & skf21("1","7","7","6","4","1","2","1") = "6"
    & skf21("1","7","7","6","4","1","3","1") = "6"
    & skf21("1","7","7","6","4","1","4","1") = "6"
    & skf21("1","7","7","6","4","1","5","1") = "6"
    & skf21("1","7","7","6","4","1","6","1") = "6"
    & skf21("1","7","7","6","4","1","7","1") = "6"
    & skf21("1","7","7","6","4","2","1","1") = "6"
    & skf21("1","7","7","6","4","2","2","1") = "6"
    & skf21("1","7","7","6","4","2","3","1") = "6"
    & skf21("1","7","7","6","4","2","4","1") = "6"
    & skf21("1","7","7","6","4","2","5","1") = "6"
    & skf21("1","7","7","6","4","2","6","1") = "6"
    & skf21("1","7","7","6","4","2","7","1") = "6"
    & skf21("1","7","7","6","4","3","1","1") = "6"
    & skf21("1","7","7","6","4","3","2","1") = "6"
    & skf21("1","7","7","6","4","3","3","1") = "6"
    & skf21("1","7","7","6","4","3","4","1") = "6"
    & skf21("1","7","7","6","4","3","5","1") = "6"
    & skf21("1","7","7","6","4","3","6","1") = "6"
    & skf21("1","7","7","6","4","3","7","1") = "6"
    & skf21("1","7","7","6","4","4","1","1") = "6"
    & skf21("1","7","7","6","4","4","2","1") = "6"
    & skf21("1","7","7","6","4","4","3","1") = "6"
    & skf21("1","7","7","6","4","4","4","1") = "6"
    & skf21("1","7","7","6","4","4","5","1") = "6"
    & skf21("1","7","7","6","4","4","6","1") = "6"
    & skf21("1","7","7","6","4","4","7","1") = "6"
    & skf21("1","7","7","6","4","5","1","1") = "6"
    & skf21("1","7","7","6","4","5","2","1") = "6"
    & skf21("1","7","7","6","4","5","3","1") = "6"
    & skf21("1","7","7","6","4","5","4","1") = "6"
    & skf21("1","7","7","6","4","5","5","1") = "6"
    & skf21("1","7","7","6","4","5","6","1") = "6"
    & skf21("1","7","7","6","4","5","7","1") = "6"
    & skf21("1","7","7","6","4","6","1","1") = "6"
    & skf21("1","7","7","6","4","6","2","1") = "6"
    & skf21("1","7","7","6","4","6","3","1") = "6"
    & skf21("1","7","7","6","4","6","4","1") = "6"
    & skf21("1","7","7","6","4","6","5","1") = "6"
    & skf21("1","7","7","6","4","6","6","1") = "6"
    & skf21("1","7","7","6","4","6","7","1") = "6"
    & skf21("1","7","7","6","4","7","1","1") = "6"
    & skf21("1","7","7","6","4","7","2","1") = "6"
    & skf21("1","7","7","6","4","7","3","1") = "6"
    & skf21("1","7","7","6","4","7","4","1") = "6"
    & skf21("1","7","7","6","4","7","5","1") = "6"
    & skf21("1","7","7","6","4","7","6","1") = "6"
    & skf21("1","7","7","6","4","7","7","1") = "6"
    & skf21("1","7","7","6","5","1","1","1") = "6"
    & skf21("1","7","7","6","5","1","2","1") = "6"
    & skf21("1","7","7","6","5","1","3","1") = "6"
    & skf21("1","7","7","6","5","1","4","1") = "6"
    & skf21("1","7","7","6","5","1","5","1") = "6"
    & skf21("1","7","7","6","5","1","6","1") = "6"
    & skf21("1","7","7","6","5","1","7","1") = "6"
    & skf21("1","7","7","6","5","2","1","1") = "6"
    & skf21("1","7","7","6","5","2","2","1") = "6"
    & skf21("1","7","7","6","5","2","3","1") = "6"
    & skf21("1","7","7","6","5","2","4","1") = "6"
    & skf21("1","7","7","6","5","2","5","1") = "6"
    & skf21("1","7","7","6","5","2","6","1") = "6"
    & skf21("1","7","7","6","5","2","7","1") = "6"
    & skf21("1","7","7","6","5","3","1","1") = "6"
    & skf21("1","7","7","6","5","3","2","1") = "6"
    & skf21("1","7","7","6","5","3","3","1") = "6"
    & skf21("1","7","7","6","5","3","4","1") = "6"
    & skf21("1","7","7","6","5","3","5","1") = "6"
    & skf21("1","7","7","6","5","3","6","1") = "6"
    & skf21("1","7","7","6","5","3","7","1") = "6"
    & skf21("1","7","7","6","5","4","1","1") = "6"
    & skf21("1","7","7","6","5","4","2","1") = "6"
    & skf21("1","7","7","6","5","4","3","1") = "6"
    & skf21("1","7","7","6","5","4","4","1") = "6"
    & skf21("1","7","7","6","5","4","5","1") = "6"
    & skf21("1","7","7","6","5","4","6","1") = "6"
    & skf21("1","7","7","6","5","4","7","1") = "6"
    & skf21("1","7","7","6","5","5","1","1") = "6"
    & skf21("1","7","7","6","5","5","2","1") = "6"
    & skf21("1","7","7","6","5","5","3","1") = "6"
    & skf21("1","7","7","6","5","5","4","1") = "6"
    & skf21("1","7","7","6","5","5","5","1") = "6"
    & skf21("1","7","7","6","5","5","6","1") = "6"
    & skf21("1","7","7","6","5","5","7","1") = "6"
    & skf21("1","7","7","6","5","6","1","1") = "6"
    & skf21("1","7","7","6","5","6","2","1") = "6"
    & skf21("1","7","7","6","5","6","3","1") = "6"
    & skf21("1","7","7","6","5","6","4","1") = "6"
    & skf21("1","7","7","6","5","6","5","1") = "6"
    & skf21("1","7","7","6","5","6","6","1") = "6"
    & skf21("1","7","7","6","5","6","7","1") = "6"
    & skf21("1","7","7","6","5","7","1","1") = "6"
    & skf21("1","7","7","6","5","7","2","1") = "6"
    & skf21("1","7","7","6","5","7","3","1") = "6"
    & skf21("1","7","7","6","5","7","4","1") = "6"
    & skf21("1","7","7","6","5","7","5","1") = "6"
    & skf21("1","7","7","6","5","7","6","1") = "6"
    & skf21("1","7","7","6","5","7","7","1") = "6"
    & skf21("1","7","7","6","6","1","1","1") = "6"
    & skf21("1","7","7","6","6","1","2","1") = "6"
    & skf21("1","7","7","6","6","1","3","1") = "6"
    & skf21("1","7","7","6","6","1","4","1") = "6"
    & skf21("1","7","7","6","6","1","5","1") = "6"
    & skf21("1","7","7","6","6","1","6","1") = "6"
    & skf21("1","7","7","6","6","1","7","1") = "6"
    & skf21("1","7","7","6","6","2","1","1") = "6"
    & skf21("1","7","7","6","6","2","2","1") = "6"
    & skf21("1","7","7","6","6","2","3","1") = "6"
    & skf21("1","7","7","6","6","2","4","1") = "6"
    & skf21("1","7","7","6","6","2","5","1") = "6"
    & skf21("1","7","7","6","6","2","6","1") = "6"
    & skf21("1","7","7","6","6","2","7","1") = "6"
    & skf21("1","7","7","6","6","3","1","1") = "6"
    & skf21("1","7","7","6","6","3","2","1") = "6"
    & skf21("1","7","7","6","6","3","3","1") = "6"
    & skf21("1","7","7","6","6","3","4","1") = "6"
    & skf21("1","7","7","6","6","3","5","1") = "6"
    & skf21("1","7","7","6","6","3","6","1") = "6"
    & skf21("1","7","7","6","6","3","7","1") = "6"
    & skf21("1","7","7","6","6","4","1","1") = "6"
    & skf21("1","7","7","6","6","4","2","1") = "6"
    & skf21("1","7","7","6","6","4","3","1") = "6"
    & skf21("1","7","7","6","6","4","4","1") = "6"
    & skf21("1","7","7","6","6","4","5","1") = "6"
    & skf21("1","7","7","6","6","4","6","1") = "6"
    & skf21("1","7","7","6","6","4","7","1") = "6"
    & skf21("1","7","7","6","6","5","1","1") = "6"
    & skf21("1","7","7","6","6","5","2","1") = "6"
    & skf21("1","7","7","6","6","5","3","1") = "6"
    & skf21("1","7","7","6","6","5","4","1") = "6"
    & skf21("1","7","7","6","6","5","5","1") = "6"
    & skf21("1","7","7","6","6","5","6","1") = "6"
    & skf21("1","7","7","6","6","5","7","1") = "6"
    & skf21("1","7","7","6","6","6","1","1") = "6"
    & skf21("1","7","7","6","6","6","2","1") = "6"
    & skf21("1","7","7","6","6","6","3","1") = "6"
    & skf21("1","7","7","6","6","6","4","1") = "6"
    & skf21("1","7","7","6","6","6","5","1") = "6"
    & skf21("1","7","7","6","6","6","6","1") = "6"
    & skf21("1","7","7","6","6","6","7","1") = "6"
    & skf21("1","7","7","6","6","7","1","1") = "6"
    & skf21("1","7","7","6","6","7","2","1") = "6"
    & skf21("1","7","7","6","6","7","3","1") = "6"
    & skf21("1","7","7","6","6","7","4","1") = "6"
    & skf21("1","7","7","6","6","7","5","1") = "6"
    & skf21("1","7","7","6","6","7","6","1") = "6"
    & skf21("1","7","7","6","6","7","7","1") = "6"
    & skf21("1","7","7","6","7","1","1","1") = "6"
    & skf21("1","7","7","6","7","1","2","1") = "6"
    & skf21("1","7","7","6","7","1","3","1") = "6"
    & skf21("1","7","7","6","7","1","4","1") = "6"
    & skf21("1","7","7","6","7","1","5","1") = "6"
    & skf21("1","7","7","6","7","1","6","1") = "6"
    & skf21("1","7","7","6","7","1","7","1") = "6"
    & skf21("1","7","7","6","7","2","1","1") = "6"
    & skf21("1","7","7","6","7","2","2","1") = "6"
    & skf21("1","7","7","6","7","2","3","1") = "6"
    & skf21("1","7","7","6","7","2","4","1") = "6"
    & skf21("1","7","7","6","7","2","5","1") = "6"
    & skf21("1","7","7","6","7","2","6","1") = "6"
    & skf21("1","7","7","6","7","2","7","1") = "6"
    & skf21("1","7","7","6","7","3","1","1") = "6"
    & skf21("1","7","7","6","7","3","2","1") = "6"
    & skf21("1","7","7","6","7","3","3","1") = "6"
    & skf21("1","7","7","6","7","3","4","1") = "6"
    & skf21("1","7","7","6","7","3","5","1") = "6"
    & skf21("1","7","7","6","7","3","6","1") = "6"
    & skf21("1","7","7","6","7","3","7","1") = "6"
    & skf21("1","7","7","6","7","4","1","1") = "6"
    & skf21("1","7","7","6","7","4","2","1") = "6"
    & skf21("1","7","7","6","7","4","3","1") = "6"
    & skf21("1","7","7","6","7","4","4","1") = "6"
    & skf21("1","7","7","6","7","4","5","1") = "6"
    & skf21("1","7","7","6","7","4","6","1") = "6"
    & skf21("1","7","7","6","7","4","7","1") = "6"
    & skf21("1","7","7","6","7","5","1","1") = "6"
    & skf21("1","7","7","6","7","5","2","1") = "6"
    & skf21("1","7","7","6","7","5","3","1") = "6"
    & skf21("1","7","7","6","7","5","4","1") = "6"
    & skf21("1","7","7","6","7","5","5","1") = "6"
    & skf21("1","7","7","6","7","5","6","1") = "6"
    & skf21("1","7","7","6","7","5","7","1") = "6"
    & skf21("1","7","7","6","7","6","1","1") = "6"
    & skf21("1","7","7","6","7","6","2","1") = "6"
    & skf21("1","7","7","6","7","6","3","1") = "6"
    & skf21("1","7","7","6","7","6","4","1") = "6"
    & skf21("1","7","7","6","7","6","5","1") = "6"
    & skf21("1","7","7","6","7","6","6","1") = "6"
    & skf21("1","7","7","6","7","6","7","1") = "6"
    & skf21("1","7","7","6","7","7","1","1") = "6"
    & skf21("1","7","7","6","7","7","2","1") = "6"
    & skf21("1","7","7","6","7","7","3","1") = "6"
    & skf21("1","7","7","6","7","7","4","1") = "6"
    & skf21("1","7","7","6","7","7","5","1") = "6"
    & skf21("1","7","7","6","7","7","6","1") = "6"
    & skf21("1","7","7","6","7","7","7","1") = "6"
    & skf21("1","7","7","7","1","1","1","1") = "6"
    & skf21("1","7","7","7","1","1","2","1") = "6"
    & skf21("1","7","7","7","1","1","3","1") = "6"
    & skf21("1","7","7","7","1","1","4","1") = "6"
    & skf21("1","7","7","7","1","1","5","1") = "6"
    & skf21("1","7","7","7","1","1","6","1") = "6"
    & skf21("1","7","7","7","1","1","7","1") = "6"
    & skf21("1","7","7","7","1","2","1","1") = "6"
    & skf21("1","7","7","7","1","2","2","1") = "6"
    & skf21("1","7","7","7","1","2","3","1") = "6"
    & skf21("1","7","7","7","1","2","4","1") = "6"
    & skf21("1","7","7","7","1","2","5","1") = "6"
    & skf21("1","7","7","7","1","2","6","1") = "6"
    & skf21("1","7","7","7","1","2","7","1") = "6"
    & skf21("1","7","7","7","1","3","1","1") = "6"
    & skf21("1","7","7","7","1","3","2","1") = "6"
    & skf21("1","7","7","7","1","3","3","1") = "6"
    & skf21("1","7","7","7","1","3","4","1") = "6"
    & skf21("1","7","7","7","1","3","5","1") = "6"
    & skf21("1","7","7","7","1","3","6","1") = "6"
    & skf21("1","7","7","7","1","3","7","1") = "6"
    & skf21("1","7","7","7","1","4","1","1") = "6"
    & skf21("1","7","7","7","1","4","2","1") = "6"
    & skf21("1","7","7","7","1","4","3","1") = "6"
    & skf21("1","7","7","7","1","4","4","1") = "6"
    & skf21("1","7","7","7","1","4","5","1") = "6"
    & skf21("1","7","7","7","1","4","6","1") = "6"
    & skf21("1","7","7","7","1","4","7","1") = "6"
    & skf21("1","7","7","7","1","5","1","1") = "6"
    & skf21("1","7","7","7","1","5","2","1") = "6"
    & skf21("1","7","7","7","1","5","3","1") = "6"
    & skf21("1","7","7","7","1","5","4","1") = "6"
    & skf21("1","7","7","7","1","5","5","1") = "6"
    & skf21("1","7","7","7","1","5","6","1") = "6"
    & skf21("1","7","7","7","1","5","7","1") = "6"
    & skf21("1","7","7","7","1","6","1","1") = "6"
    & skf21("1","7","7","7","1","6","2","1") = "6"
    & skf21("1","7","7","7","1","6","3","1") = "6"
    & skf21("1","7","7","7","1","6","4","1") = "6"
    & skf21("1","7","7","7","1","6","5","1") = "6"
    & skf21("1","7","7","7","1","6","6","1") = "6"
    & skf21("1","7","7","7","1","6","7","1") = "6"
    & skf21("1","7","7","7","1","7","1","1") = "6"
    & skf21("1","7","7","7","1","7","2","1") = "6"
    & skf21("1","7","7","7","1","7","3","1") = "6"
    & skf21("1","7","7","7","1","7","4","1") = "6"
    & skf21("1","7","7","7","1","7","5","1") = "6"
    & skf21("1","7","7","7","1","7","6","1") = "6"
    & skf21("1","7","7","7","1","7","7","1") = "6"
    & skf21("1","7","7","7","2","1","1","1") = "6"
    & skf21("1","7","7","7","2","1","2","1") = "6"
    & skf21("1","7","7","7","2","1","3","1") = "6"
    & skf21("1","7","7","7","2","1","4","1") = "6"
    & skf21("1","7","7","7","2","1","5","1") = "6"
    & skf21("1","7","7","7","2","1","6","1") = "6"
    & skf21("1","7","7","7","2","1","7","1") = "6"
    & skf21("1","7","7","7","2","2","1","1") = "6"
    & skf21("1","7","7","7","2","2","2","1") = "6"
    & skf21("1","7","7","7","2","2","3","1") = "6"
    & skf21("1","7","7","7","2","2","4","1") = "6"
    & skf21("1","7","7","7","2","2","5","1") = "6"
    & skf21("1","7","7","7","2","2","6","1") = "6"
    & skf21("1","7","7","7","2","2","7","1") = "6"
    & skf21("1","7","7","7","2","3","1","1") = "6"
    & skf21("1","7","7","7","2","3","2","1") = "6"
    & skf21("1","7","7","7","2","3","3","1") = "6"
    & skf21("1","7","7","7","2","3","4","1") = "6"
    & skf21("1","7","7","7","2","3","5","1") = "6"
    & skf21("1","7","7","7","2","3","6","1") = "6"
    & skf21("1","7","7","7","2","3","7","1") = "6"
    & skf21("1","7","7","7","2","4","1","1") = "6"
    & skf21("1","7","7","7","2","4","2","1") = "6"
    & skf21("1","7","7","7","2","4","3","1") = "6"
    & skf21("1","7","7","7","2","4","4","1") = "6"
    & skf21("1","7","7","7","2","4","5","1") = "6"
    & skf21("1","7","7","7","2","4","6","1") = "6"
    & skf21("1","7","7","7","2","4","7","1") = "6"
    & skf21("1","7","7","7","2","5","1","1") = "6"
    & skf21("1","7","7","7","2","5","2","1") = "6"
    & skf21("1","7","7","7","2","5","3","1") = "6"
    & skf21("1","7","7","7","2","5","4","1") = "6"
    & skf21("1","7","7","7","2","5","5","1") = "6"
    & skf21("1","7","7","7","2","5","6","1") = "6"
    & skf21("1","7","7","7","2","5","7","1") = "6"
    & skf21("1","7","7","7","2","6","1","1") = "6"
    & skf21("1","7","7","7","2","6","2","1") = "6"
    & skf21("1","7","7","7","2","6","3","1") = "6"
    & skf21("1","7","7","7","2","6","4","1") = "6"
    & skf21("1","7","7","7","2","6","5","1") = "6"
    & skf21("1","7","7","7","2","6","6","1") = "6"
    & skf21("1","7","7","7","2","6","7","1") = "6"
    & skf21("1","7","7","7","2","7","1","1") = "6"
    & skf21("1","7","7","7","2","7","2","1") = "6"
    & skf21("1","7","7","7","2","7","3","1") = "6"
    & skf21("1","7","7","7","2","7","4","1") = "6"
    & skf21("1","7","7","7","2","7","5","1") = "6"
    & skf21("1","7","7","7","2","7","6","1") = "6"
    & skf21("1","7","7","7","2","7","7","1") = "6"
    & skf21("1","7","7","7","3","1","1","1") = "6"
    & skf21("1","7","7","7","3","1","2","1") = "6"
    & skf21("1","7","7","7","3","1","3","1") = "6"
    & skf21("1","7","7","7","3","1","4","1") = "6"
    & skf21("1","7","7","7","3","1","5","1") = "6"
    & skf21("1","7","7","7","3","1","6","1") = "6"
    & skf21("1","7","7","7","3","1","7","1") = "6"
    & skf21("1","7","7","7","3","2","1","1") = "6"
    & skf21("1","7","7","7","3","2","2","1") = "6"
    & skf21("1","7","7","7","3","2","3","1") = "6"
    & skf21("1","7","7","7","3","2","4","1") = "6"
    & skf21("1","7","7","7","3","2","5","1") = "6"
    & skf21("1","7","7","7","3","2","6","1") = "6"
    & skf21("1","7","7","7","3","2","7","1") = "6"
    & skf21("1","7","7","7","3","3","1","1") = "6"
    & skf21("1","7","7","7","3","3","2","1") = "6"
    & skf21("1","7","7","7","3","3","3","1") = "6"
    & skf21("1","7","7","7","3","3","4","1") = "6"
    & skf21("1","7","7","7","3","3","5","1") = "6"
    & skf21("1","7","7","7","3","3","6","1") = "6"
    & skf21("1","7","7","7","3","3","7","1") = "6"
    & skf21("1","7","7","7","3","4","1","1") = "6"
    & skf21("1","7","7","7","3","4","2","1") = "6"
    & skf21("1","7","7","7","3","4","3","1") = "6"
    & skf21("1","7","7","7","3","4","4","1") = "6"
    & skf21("1","7","7","7","3","4","5","1") = "6"
    & skf21("1","7","7","7","3","4","6","1") = "6"
    & skf21("1","7","7","7","3","4","7","1") = "6"
    & skf21("1","7","7","7","3","5","1","1") = "6"
    & skf21("1","7","7","7","3","5","2","1") = "6"
    & skf21("1","7","7","7","3","5","3","1") = "6"
    & skf21("1","7","7","7","3","5","4","1") = "6"
    & skf21("1","7","7","7","3","5","5","1") = "6"
    & skf21("1","7","7","7","3","5","6","1") = "6"
    & skf21("1","7","7","7","3","5","7","1") = "6"
    & skf21("1","7","7","7","3","6","1","1") = "6"
    & skf21("1","7","7","7","3","6","2","1") = "6"
    & skf21("1","7","7","7","3","6","3","1") = "6"
    & skf21("1","7","7","7","3","6","4","1") = "6"
    & skf21("1","7","7","7","3","6","5","1") = "6"
    & skf21("1","7","7","7","3","6","6","1") = "6"
    & skf21("1","7","7","7","3","6","7","1") = "6"
    & skf21("1","7","7","7","3","7","1","1") = "6"
    & skf21("1","7","7","7","3","7","2","1") = "6"
    & skf21("1","7","7","7","3","7","3","1") = "6"
    & skf21("1","7","7","7","3","7","4","1") = "6"
    & skf21("1","7","7","7","3","7","5","1") = "6"
    & skf21("1","7","7","7","3","7","6","1") = "6"
    & skf21("1","7","7","7","3","7","7","1") = "6"
    & skf21("1","7","7","7","4","1","1","1") = "6"
    & skf21("1","7","7","7","4","1","2","1") = "6"
    & skf21("1","7","7","7","4","1","3","1") = "6"
    & skf21("1","7","7","7","4","1","4","1") = "6"
    & skf21("1","7","7","7","4","1","5","1") = "6"
    & skf21("1","7","7","7","4","1","6","1") = "6"
    & skf21("1","7","7","7","4","1","7","1") = "6"
    & skf21("1","7","7","7","4","2","1","1") = "6"
    & skf21("1","7","7","7","4","2","2","1") = "6"
    & skf21("1","7","7","7","4","2","3","1") = "6"
    & skf21("1","7","7","7","4","2","4","1") = "6"
    & skf21("1","7","7","7","4","2","5","1") = "6"
    & skf21("1","7","7","7","4","2","6","1") = "6"
    & skf21("1","7","7","7","4","2","7","1") = "6"
    & skf21("1","7","7","7","4","3","1","1") = "6"
    & skf21("1","7","7","7","4","3","2","1") = "6"
    & skf21("1","7","7","7","4","3","3","1") = "6"
    & skf21("1","7","7","7","4","3","4","1") = "6"
    & skf21("1","7","7","7","4","3","5","1") = "6"
    & skf21("1","7","7","7","4","3","6","1") = "6"
    & skf21("1","7","7","7","4","3","7","1") = "6"
    & skf21("1","7","7","7","4","4","1","1") = "6"
    & skf21("1","7","7","7","4","4","2","1") = "6"
    & skf21("1","7","7","7","4","4","3","1") = "6"
    & skf21("1","7","7","7","4","4","4","1") = "6"
    & skf21("1","7","7","7","4","4","5","1") = "6"
    & skf21("1","7","7","7","4","4","6","1") = "6"
    & skf21("1","7","7","7","4","4","7","1") = "6"
    & skf21("1","7","7","7","4","5","1","1") = "6"
    & skf21("1","7","7","7","4","5","2","1") = "6"
    & skf21("1","7","7","7","4","5","3","1") = "6"
    & skf21("1","7","7","7","4","5","4","1") = "6"
    & skf21("1","7","7","7","4","5","5","1") = "6"
    & skf21("1","7","7","7","4","5","6","1") = "6"
    & skf21("1","7","7","7","4","5","7","1") = "6"
    & skf21("1","7","7","7","4","6","1","1") = "6"
    & skf21("1","7","7","7","4","6","2","1") = "6"
    & skf21("1","7","7","7","4","6","3","1") = "6"
    & skf21("1","7","7","7","4","6","4","1") = "6"
    & skf21("1","7","7","7","4","6","5","1") = "6"
    & skf21("1","7","7","7","4","6","6","1") = "6"
    & skf21("1","7","7","7","4","6","7","1") = "6"
    & skf21("1","7","7","7","4","7","1","1") = "6"
    & skf21("1","7","7","7","4","7","2","1") = "6"
    & skf21("1","7","7","7","4","7","3","1") = "6"
    & skf21("1","7","7","7","4","7","4","1") = "6"
    & skf21("1","7","7","7","4","7","5","1") = "6"
    & skf21("1","7","7","7","4","7","6","1") = "6"
    & skf21("1","7","7","7","4","7","7","1") = "6"
    & skf21("1","7","7","7","5","1","1","1") = "6"
    & skf21("1","7","7","7","5","1","2","1") = "6"
    & skf21("1","7","7","7","5","1","3","1") = "6"
    & skf21("1","7","7","7","5","1","4","1") = "6"
    & skf21("1","7","7","7","5","1","5","1") = "6"
    & skf21("1","7","7","7","5","1","6","1") = "6"
    & skf21("1","7","7","7","5","1","7","1") = "6"
    & skf21("1","7","7","7","5","2","1","1") = "6"
    & skf21("1","7","7","7","5","2","2","1") = "6"
    & skf21("1","7","7","7","5","2","3","1") = "6"
    & skf21("1","7","7","7","5","2","4","1") = "6"
    & skf21("1","7","7","7","5","2","5","1") = "6"
    & skf21("1","7","7","7","5","2","6","1") = "6"
    & skf21("1","7","7","7","5","2","7","1") = "6"
    & skf21("1","7","7","7","5","3","1","1") = "6"
    & skf21("1","7","7","7","5","3","2","1") = "6"
    & skf21("1","7","7","7","5","3","3","1") = "6"
    & skf21("1","7","7","7","5","3","4","1") = "6"
    & skf21("1","7","7","7","5","3","5","1") = "6"
    & skf21("1","7","7","7","5","3","6","1") = "6"
    & skf21("1","7","7","7","5","3","7","1") = "6"
    & skf21("1","7","7","7","5","4","1","1") = "6"
    & skf21("1","7","7","7","5","4","2","1") = "6"
    & skf21("1","7","7","7","5","4","3","1") = "6"
    & skf21("1","7","7","7","5","4","4","1") = "6"
    & skf21("1","7","7","7","5","4","5","1") = "6"
    & skf21("1","7","7","7","5","4","6","1") = "6"
    & skf21("1","7","7","7","5","4","7","1") = "6"
    & skf21("1","7","7","7","5","5","1","1") = "6"
    & skf21("1","7","7","7","5","5","2","1") = "6"
    & skf21("1","7","7","7","5","5","3","1") = "6"
    & skf21("1","7","7","7","5","5","4","1") = "6"
    & skf21("1","7","7","7","5","5","5","1") = "6"
    & skf21("1","7","7","7","5","5","6","1") = "6"
    & skf21("1","7","7","7","5","5","7","1") = "6"
    & skf21("1","7","7","7","5","6","1","1") = "6"
    & skf21("1","7","7","7","5","6","2","1") = "6"
    & skf21("1","7","7","7","5","6","3","1") = "6"
    & skf21("1","7","7","7","5","6","4","1") = "6"
    & skf21("1","7","7","7","5","6","5","1") = "6"
    & skf21("1","7","7","7","5","6","6","1") = "6"
    & skf21("1","7","7","7","5","6","7","1") = "6"
    & skf21("1","7","7","7","5","7","1","1") = "6"
    & skf21("1","7","7","7","5","7","2","1") = "6"
    & skf21("1","7","7","7","5","7","3","1") = "6"
    & skf21("1","7","7","7","5","7","4","1") = "6"
    & skf21("1","7","7","7","5","7","5","1") = "6"
    & skf21("1","7","7","7","5","7","6","1") = "6"
    & skf21("1","7","7","7","5","7","7","1") = "6"
    & skf21("1","7","7","7","6","1","1","1") = "6"
    & skf21("1","7","7","7","6","1","2","1") = "6"
    & skf21("1","7","7","7","6","1","3","1") = "6"
    & skf21("1","7","7","7","6","1","4","1") = "6"
    & skf21("1","7","7","7","6","1","5","1") = "6"
    & skf21("1","7","7","7","6","1","6","1") = "6"
    & skf21("1","7","7","7","6","1","7","1") = "6"
    & skf21("1","7","7","7","6","2","1","1") = "6"
    & skf21("1","7","7","7","6","2","2","1") = "6"
    & skf21("1","7","7","7","6","2","3","1") = "6"
    & skf21("1","7","7","7","6","2","4","1") = "6"
    & skf21("1","7","7","7","6","2","5","1") = "6"
    & skf21("1","7","7","7","6","2","6","1") = "6"
    & skf21("1","7","7","7","6","2","7","1") = "6"
    & skf21("1","7","7","7","6","3","1","1") = "6"
    & skf21("1","7","7","7","6","3","2","1") = "6"
    & skf21("1","7","7","7","6","3","3","1") = "6"
    & skf21("1","7","7","7","6","3","4","1") = "6"
    & skf21("1","7","7","7","6","3","5","1") = "6"
    & skf21("1","7","7","7","6","3","6","1") = "6"
    & skf21("1","7","7","7","6","3","7","1") = "6"
    & skf21("1","7","7","7","6","4","1","1") = "6"
    & skf21("1","7","7","7","6","4","2","1") = "6"
    & skf21("1","7","7","7","6","4","3","1") = "6"
    & skf21("1","7","7","7","6","4","4","1") = "6"
    & skf21("1","7","7","7","6","4","5","1") = "6"
    & skf21("1","7","7","7","6","4","6","1") = "6"
    & skf21("1","7","7","7","6","4","7","1") = "6"
    & skf21("1","7","7","7","6","5","1","1") = "6"
    & skf21("1","7","7","7","6","5","2","1") = "6"
    & skf21("1","7","7","7","6","5","3","1") = "6"
    & skf21("1","7","7","7","6","5","4","1") = "6"
    & skf21("1","7","7","7","6","5","5","1") = "6"
    & skf21("1","7","7","7","6","5","6","1") = "6"
    & skf21("1","7","7","7","6","5","7","1") = "6"
    & skf21("1","7","7","7","6","6","1","1") = "6"
    & skf21("1","7","7","7","6","6","2","1") = "6"
    & skf21("1","7","7","7","6","6","3","1") = "6"
    & skf21("1","7","7","7","6","6","4","1") = "6"
    & skf21("1","7","7","7","6","6","5","1") = "6"
    & skf21("1","7","7","7","6","6","6","1") = "6"
    & skf21("1","7","7","7","6","6","7","1") = "6"
    & skf21("1","7","7","7","6","7","1","1") = "6"
    & skf21("1","7","7","7","6","7","2","1") = "6"
    & skf21("1","7","7","7","6","7","3","1") = "6"
    & skf21("1","7","7","7","6","7","4","1") = "6"
    & skf21("1","7","7","7","6","7","5","1") = "6"
    & skf21("1","7","7","7","6","7","6","1") = "6"
    & skf21("1","7","7","7","6","7","7","1") = "6"
    & skf21("1","7","7","7","7","1","1","1") = "6"
    & skf21("1","7","7","7","7","1","2","1") = "6"
    & skf21("1","7","7","7","7","1","3","1") = "6"
    & skf21("1","7","7","7","7","1","4","1") = "6"
    & skf21("1","7","7","7","7","1","5","1") = "6"
    & skf21("1","7","7","7","7","1","6","1") = "6"
    & skf21("1","7","7","7","7","1","7","1") = "6"
    & skf21("1","7","7","7","7","2","1","1") = "6"
    & skf21("1","7","7","7","7","2","2","1") = "6"
    & skf21("1","7","7","7","7","2","3","1") = "6"
    & skf21("1","7","7","7","7","2","4","1") = "6"
    & skf21("1","7","7","7","7","2","5","1") = "6"
    & skf21("1","7","7","7","7","2","6","1") = "6"
    & skf21("1","7","7","7","7","2","7","1") = "6"
    & skf21("1","7","7","7","7","3","1","1") = "6"
    & skf21("1","7","7","7","7","3","2","1") = "6"
    & skf21("1","7","7","7","7","3","3","1") = "6"
    & skf21("1","7","7","7","7","3","4","1") = "6"
    & skf21("1","7","7","7","7","3","5","1") = "6"
    & skf21("1","7","7","7","7","3","6","1") = "6"
    & skf21("1","7","7","7","7","3","7","1") = "6"
    & skf21("1","7","7","7","7","4","1","1") = "6"
    & skf21("1","7","7","7","7","4","2","1") = "6"
    & skf21("1","7","7","7","7","4","3","1") = "6"
    & skf21("1","7","7","7","7","4","4","1") = "6"
    & skf21("1","7","7","7","7","4","5","1") = "6"
    & skf21("1","7","7","7","7","4","6","1") = "6"
    & skf21("1","7","7","7","7","4","7","1") = "6"
    & skf21("1","7","7","7","7","5","1","1") = "6"
    & skf21("1","7","7","7","7","5","2","1") = "6"
    & skf21("1","7","7","7","7","5","3","1") = "6"
    & skf21("1","7","7","7","7","5","4","1") = "6"
    & skf21("1","7","7","7","7","5","5","1") = "6"
    & skf21("1","7","7","7","7","5","6","1") = "6"
    & skf21("1","7","7","7","7","5","7","1") = "6"
    & skf21("1","7","7","7","7","6","1","1") = "6"
    & skf21("1","7","7","7","7","6","2","1") = "6"
    & skf21("1","7","7","7","7","6","3","1") = "6"
    & skf21("1","7","7","7","7","6","4","1") = "6"
    & skf21("1","7","7","7","7","6","5","1") = "6"
    & skf21("1","7","7","7","7","6","6","1") = "6"
    & skf21("1","7","7","7","7","6","7","1") = "6"
    & skf21("1","7","7","7","7","7","1","1") = "6"
    & skf21("1","7","7","7","7","7","2","1") = "6"
    & skf21("1","7","7","7","7","7","3","1") = "6"
    & skf21("1","7","7","7","7","7","4","1") = "6"
    & skf21("1","7","7","7","7","7","5","1") = "6"
    & skf21("1","7","7","7","7","7","6","1") = "6"
    & skf21("1","7","7","7","7","7","7","1") = "6"
    & skf21("2","1","1","1","1","1","1","1") = "1"
    & skf21("2","1","1","1","1","1","2","1") = "1"
    & skf21("2","1","1","1","1","1","3","1") = "2"
    & skf21("2","1","1","1","1","1","4","1") = "3"
    & skf21("2","1","1","1","1","1","5","1") = "4"
    & skf21("2","1","1","1","1","1","6","1") = "5"
    & skf21("2","1","1","1","1","1","7","1") = "6"
    & skf21("2","1","1","1","1","2","1","1") = "1"
    & skf21("2","1","1","1","1","2","2","1") = "1"
    & skf21("2","1","1","1","1","2","3","1") = "2"
    & skf21("2","1","1","1","1","2","4","1") = "3"
    & skf21("2","1","1","1","1","2","5","1") = "4"
    & skf21("2","1","1","1","1","2","6","1") = "5"
    & skf21("2","1","1","1","1","2","7","1") = "6"
    & skf21("2","1","1","1","1","3","1","1") = "2"
    & skf21("2","1","1","1","1","3","2","1") = "2"
    & skf21("2","1","1","1","1","3","3","1") = "2"
    & skf21("2","1","1","1","1","3","4","1") = "3"
    & skf21("2","1","1","1","1","3","5","1") = "4"
    & skf21("2","1","1","1","1","3","6","1") = "5"
    & skf21("2","1","1","1","1","3","7","1") = "6"
    & skf21("2","1","1","1","1","4","1","1") = "3"
    & skf21("2","1","1","1","1","4","2","1") = "3"
    & skf21("2","1","1","1","1","4","3","1") = "3"
    & skf21("2","1","1","1","1","4","4","1") = "3"
    & skf21("2","1","1","1","1","4","5","1") = "4"
    & skf21("2","1","1","1","1","4","6","1") = "5"
    & skf21("2","1","1","1","1","4","7","1") = "6"
    & skf21("2","1","1","1","1","5","1","1") = "4"
    & skf21("2","1","1","1","1","5","2","1") = "4"
    & skf21("2","1","1","1","1","5","3","1") = "4"
    & skf21("2","1","1","1","1","5","4","1") = "4"
    & skf21("2","1","1","1","1","5","5","1") = "4"
    & skf21("2","1","1","1","1","5","6","1") = "5"
    & skf21("2","1","1","1","1","5","7","1") = "6"
    & skf21("2","1","1","1","1","6","1","1") = "5"
    & skf21("2","1","1","1","1","6","2","1") = "5"
    & skf21("2","1","1","1","1","6","3","1") = "5"
    & skf21("2","1","1","1","1","6","4","1") = "5"
    & skf21("2","1","1","1","1","6","5","1") = "5"
    & skf21("2","1","1","1","1","6","6","1") = "5"
    & skf21("2","1","1","1","1","6","7","1") = "6"
    & skf21("2","1","1","1","1","7","1","1") = "6"
    & skf21("2","1","1","1","1","7","2","1") = "6"
    & skf21("2","1","1","1","1","7","3","1") = "6"
    & skf21("2","1","1","1","1","7","4","1") = "6"
    & skf21("2","1","1","1","1","7","5","1") = "6"
    & skf21("2","1","1","1","1","7","6","1") = "6"
    & skf21("2","1","1","1","1","7","7","1") = "6"
    & skf21("2","1","1","1","2","1","1","1") = "1"
    & skf21("2","1","1","1","2","1","2","1") = "1"
    & skf21("2","1","1","1","2","1","3","1") = "2"
    & skf21("2","1","1","1","2","1","4","1") = "3"
    & skf21("2","1","1","1","2","1","5","1") = "4"
    & skf21("2","1","1","1","2","1","6","1") = "5"
    & skf21("2","1","1","1","2","1","7","1") = "6"
    & skf21("2","1","1","1","2","2","1","1") = "1"
    & skf21("2","1","1","1","2","2","2","1") = "1"
    & skf21("2","1","1","1","2","2","3","1") = "2"
    & skf21("2","1","1","1","2","2","4","1") = "3"
    & skf21("2","1","1","1","2","2","5","1") = "4"
    & skf21("2","1","1","1","2","2","6","1") = "5"
    & skf21("2","1","1","1","2","2","7","1") = "6"
    & skf21("2","1","1","1","2","3","1","1") = "2"
    & skf21("2","1","1","1","2","3","2","1") = "2"
    & skf21("2","1","1","1","2","3","3","1") = "2"
    & skf21("2","1","1","1","2","3","4","1") = "3"
    & skf21("2","1","1","1","2","3","5","1") = "4"
    & skf21("2","1","1","1","2","3","6","1") = "5"
    & skf21("2","1","1","1","2","3","7","1") = "6"
    & skf21("2","1","1","1","2","4","1","1") = "3"
    & skf21("2","1","1","1","2","4","2","1") = "3"
    & skf21("2","1","1","1","2","4","3","1") = "3"
    & skf21("2","1","1","1","2","4","4","1") = "3"
    & skf21("2","1","1","1","2","4","5","1") = "4"
    & skf21("2","1","1","1","2","4","6","1") = "5"
    & skf21("2","1","1","1","2","4","7","1") = "6"
    & skf21("2","1","1","1","2","5","1","1") = "4"
    & skf21("2","1","1","1","2","5","2","1") = "4"
    & skf21("2","1","1","1","2","5","3","1") = "4"
    & skf21("2","1","1","1","2","5","4","1") = "4"
    & skf21("2","1","1","1","2","5","5","1") = "4"
    & skf21("2","1","1","1","2","5","6","1") = "5"
    & skf21("2","1","1","1","2","5","7","1") = "6"
    & skf21("2","1","1","1","2","6","1","1") = "5"
    & skf21("2","1","1","1","2","6","2","1") = "5"
    & skf21("2","1","1","1","2","6","3","1") = "5"
    & skf21("2","1","1","1","2","6","4","1") = "5"
    & skf21("2","1","1","1","2","6","5","1") = "5"
    & skf21("2","1","1","1","2","6","6","1") = "5"
    & skf21("2","1","1","1","2","6","7","1") = "6"
    & skf21("2","1","1","1","2","7","1","1") = "6"
    & skf21("2","1","1","1","2","7","2","1") = "6"
    & skf21("2","1","1","1","2","7","3","1") = "6"
    & skf21("2","1","1","1","2","7","4","1") = "6"
    & skf21("2","1","1","1","2","7","5","1") = "6"
    & skf21("2","1","1","1","2","7","6","1") = "6"
    & skf21("2","1","1","1","2","7","7","1") = "6"
    & skf21("2","1","1","1","3","1","1","1") = "2"
    & skf21("2","1","1","1","3","1","2","1") = "2"
    & skf21("2","1","1","1","3","1","3","1") = "2"
    & skf21("2","1","1","1","3","1","4","1") = "3"
    & skf21("2","1","1","1","3","1","5","1") = "4"
    & skf21("2","1","1","1","3","1","6","1") = "5"
    & skf21("2","1","1","1","3","1","7","1") = "6"
    & skf21("2","1","1","1","3","2","1","1") = "2"
    & skf21("2","1","1","1","3","2","2","1") = "2"
    & skf21("2","1","1","1","3","2","3","1") = "2"
    & skf21("2","1","1","1","3","2","4","1") = "3"
    & skf21("2","1","1","1","3","2","5","1") = "4"
    & skf21("2","1","1","1","3","2","6","1") = "5"
    & skf21("2","1","1","1","3","2","7","1") = "6"
    & skf21("2","1","1","1","3","3","1","1") = "2"
    & skf21("2","1","1","1","3","3","2","1") = "2"
    & skf21("2","1","1","1","3","3","3","1") = "2"
    & skf21("2","1","1","1","3","3","4","1") = "3"
    & skf21("2","1","1","1","3","3","5","1") = "4"
    & skf21("2","1","1","1","3","3","6","1") = "5"
    & skf21("2","1","1","1","3","3","7","1") = "6"
    & skf21("2","1","1","1","3","4","1","1") = "3"
    & skf21("2","1","1","1","3","4","2","1") = "3"
    & skf21("2","1","1","1","3","4","3","1") = "3"
    & skf21("2","1","1","1","3","4","4","1") = "3"
    & skf21("2","1","1","1","3","4","5","1") = "4"
    & skf21("2","1","1","1","3","4","6","1") = "5"
    & skf21("2","1","1","1","3","4","7","1") = "6"
    & skf21("2","1","1","1","3","5","1","1") = "4"
    & skf21("2","1","1","1","3","5","2","1") = "4"
    & skf21("2","1","1","1","3","5","3","1") = "4"
    & skf21("2","1","1","1","3","5","4","1") = "4"
    & skf21("2","1","1","1","3","5","5","1") = "4"
    & skf21("2","1","1","1","3","5","6","1") = "5"
    & skf21("2","1","1","1","3","5","7","1") = "6"
    & skf21("2","1","1","1","3","6","1","1") = "5"
    & skf21("2","1","1","1","3","6","2","1") = "5"
    & skf21("2","1","1","1","3","6","3","1") = "5"
    & skf21("2","1","1","1","3","6","4","1") = "5"
    & skf21("2","1","1","1","3","6","5","1") = "5"
    & skf21("2","1","1","1","3","6","6","1") = "5"
    & skf21("2","1","1","1","3","6","7","1") = "6"
    & skf21("2","1","1","1","3","7","1","1") = "6"
    & skf21("2","1","1","1","3","7","2","1") = "6"
    & skf21("2","1","1","1","3","7","3","1") = "6"
    & skf21("2","1","1","1","3","7","4","1") = "6"
    & skf21("2","1","1","1","3","7","5","1") = "6"
    & skf21("2","1","1","1","3","7","6","1") = "6"
    & skf21("2","1","1","1","3","7","7","1") = "6"
    & skf21("2","1","1","1","4","1","1","1") = "3"
    & skf21("2","1","1","1","4","1","2","1") = "3"
    & skf21("2","1","1","1","4","1","3","1") = "3"
    & skf21("2","1","1","1","4","1","4","1") = "3"
    & skf21("2","1","1","1","4","1","5","1") = "4"
    & skf21("2","1","1","1","4","1","6","1") = "5"
    & skf21("2","1","1","1","4","1","7","1") = "6"
    & skf21("2","1","1","1","4","2","1","1") = "3"
    & skf21("2","1","1","1","4","2","2","1") = "3"
    & skf21("2","1","1","1","4","2","3","1") = "3"
    & skf21("2","1","1","1","4","2","4","1") = "3"
    & skf21("2","1","1","1","4","2","5","1") = "4"
    & skf21("2","1","1","1","4","2","6","1") = "5"
    & skf21("2","1","1","1","4","2","7","1") = "6"
    & skf21("2","1","1","1","4","3","1","1") = "3"
    & skf21("2","1","1","1","4","3","2","1") = "3"
    & skf21("2","1","1","1","4","3","3","1") = "3"
    & skf21("2","1","1","1","4","3","4","1") = "3"
    & skf21("2","1","1","1","4","3","5","1") = "4"
    & skf21("2","1","1","1","4","3","6","1") = "5"
    & skf21("2","1","1","1","4","3","7","1") = "6"
    & skf21("2","1","1","1","4","4","1","1") = "3"
    & skf21("2","1","1","1","4","4","2","1") = "3"
    & skf21("2","1","1","1","4","4","3","1") = "3"
    & skf21("2","1","1","1","4","4","4","1") = "3"
    & skf21("2","1","1","1","4","4","5","1") = "4"
    & skf21("2","1","1","1","4","4","6","1") = "5"
    & skf21("2","1","1","1","4","4","7","1") = "6"
    & skf21("2","1","1","1","4","5","1","1") = "4"
    & skf21("2","1","1","1","4","5","2","1") = "4"
    & skf21("2","1","1","1","4","5","3","1") = "4"
    & skf21("2","1","1","1","4","5","4","1") = "4"
    & skf21("2","1","1","1","4","5","5","1") = "4"
    & skf21("2","1","1","1","4","5","6","1") = "5"
    & skf21("2","1","1","1","4","5","7","1") = "6"
    & skf21("2","1","1","1","4","6","1","1") = "5"
    & skf21("2","1","1","1","4","6","2","1") = "5"
    & skf21("2","1","1","1","4","6","3","1") = "5"
    & skf21("2","1","1","1","4","6","4","1") = "5"
    & skf21("2","1","1","1","4","6","5","1") = "5"
    & skf21("2","1","1","1","4","6","6","1") = "5"
    & skf21("2","1","1","1","4","6","7","1") = "6"
    & skf21("2","1","1","1","4","7","1","1") = "6"
    & skf21("2","1","1","1","4","7","2","1") = "6"
    & skf21("2","1","1","1","4","7","3","1") = "6"
    & skf21("2","1","1","1","4","7","4","1") = "6"
    & skf21("2","1","1","1","4","7","5","1") = "6"
    & skf21("2","1","1","1","4","7","6","1") = "6"
    & skf21("2","1","1","1","4","7","7","1") = "6"
    & skf21("2","1","1","1","5","1","1","1") = "4"
    & skf21("2","1","1","1","5","1","2","1") = "4"
    & skf21("2","1","1","1","5","1","3","1") = "4"
    & skf21("2","1","1","1","5","1","4","1") = "4"
    & skf21("2","1","1","1","5","1","5","1") = "4"
    & skf21("2","1","1","1","5","1","6","1") = "5"
    & skf21("2","1","1","1","5","1","7","1") = "6"
    & skf21("2","1","1","1","5","2","1","1") = "4"
    & skf21("2","1","1","1","5","2","2","1") = "4"
    & skf21("2","1","1","1","5","2","3","1") = "4"
    & skf21("2","1","1","1","5","2","4","1") = "4"
    & skf21("2","1","1","1","5","2","5","1") = "4"
    & skf21("2","1","1","1","5","2","6","1") = "5"
    & skf21("2","1","1","1","5","2","7","1") = "6"
    & skf21("2","1","1","1","5","3","1","1") = "4"
    & skf21("2","1","1","1","5","3","2","1") = "4"
    & skf21("2","1","1","1","5","3","3","1") = "4"
    & skf21("2","1","1","1","5","3","4","1") = "4"
    & skf21("2","1","1","1","5","3","5","1") = "4"
    & skf21("2","1","1","1","5","3","6","1") = "5"
    & skf21("2","1","1","1","5","3","7","1") = "6"
    & skf21("2","1","1","1","5","4","1","1") = "4"
    & skf21("2","1","1","1","5","4","2","1") = "4"
    & skf21("2","1","1","1","5","4","3","1") = "4"
    & skf21("2","1","1","1","5","4","4","1") = "4"
    & skf21("2","1","1","1","5","4","5","1") = "4"
    & skf21("2","1","1","1","5","4","6","1") = "5"
    & skf21("2","1","1","1","5","4","7","1") = "6"
    & skf21("2","1","1","1","5","5","1","1") = "4"
    & skf21("2","1","1","1","5","5","2","1") = "4"
    & skf21("2","1","1","1","5","5","3","1") = "4"
    & skf21("2","1","1","1","5","5","4","1") = "4"
    & skf21("2","1","1","1","5","5","5","1") = "4"
    & skf21("2","1","1","1","5","5","6","1") = "5"
    & skf21("2","1","1","1","5","5","7","1") = "6"
    & skf21("2","1","1","1","5","6","1","1") = "5"
    & skf21("2","1","1","1","5","6","2","1") = "5"
    & skf21("2","1","1","1","5","6","3","1") = "5"
    & skf21("2","1","1","1","5","6","4","1") = "5"
    & skf21("2","1","1","1","5","6","5","1") = "5"
    & skf21("2","1","1","1","5","6","6","1") = "5"
    & skf21("2","1","1","1","5","6","7","1") = "6"
    & skf21("2","1","1","1","5","7","1","1") = "6"
    & skf21("2","1","1","1","5","7","2","1") = "6"
    & skf21("2","1","1","1","5","7","3","1") = "6"
    & skf21("2","1","1","1","5","7","4","1") = "6"
    & skf21("2","1","1","1","5","7","5","1") = "6"
    & skf21("2","1","1","1","5","7","6","1") = "6"
    & skf21("2","1","1","1","5","7","7","1") = "6"
    & skf21("2","1","1","1","6","1","1","1") = "5"
    & skf21("2","1","1","1","6","1","2","1") = "5"
    & skf21("2","1","1","1","6","1","3","1") = "5"
    & skf21("2","1","1","1","6","1","4","1") = "5"
    & skf21("2","1","1","1","6","1","5","1") = "5"
    & skf21("2","1","1","1","6","1","6","1") = "5"
    & skf21("2","1","1","1","6","1","7","1") = "6"
    & skf21("2","1","1","1","6","2","1","1") = "5"
    & skf21("2","1","1","1","6","2","2","1") = "5"
    & skf21("2","1","1","1","6","2","3","1") = "5"
    & skf21("2","1","1","1","6","2","4","1") = "5"
    & skf21("2","1","1","1","6","2","5","1") = "5"
    & skf21("2","1","1","1","6","2","6","1") = "5"
    & skf21("2","1","1","1","6","2","7","1") = "6"
    & skf21("2","1","1","1","6","3","1","1") = "5"
    & skf21("2","1","1","1","6","3","2","1") = "5"
    & skf21("2","1","1","1","6","3","3","1") = "5"
    & skf21("2","1","1","1","6","3","4","1") = "5"
    & skf21("2","1","1","1","6","3","5","1") = "5"
    & skf21("2","1","1","1","6","3","6","1") = "5"
    & skf21("2","1","1","1","6","3","7","1") = "6"
    & skf21("2","1","1","1","6","4","1","1") = "5"
    & skf21("2","1","1","1","6","4","2","1") = "5"
    & skf21("2","1","1","1","6","4","3","1") = "5"
    & skf21("2","1","1","1","6","4","4","1") = "5"
    & skf21("2","1","1","1","6","4","5","1") = "5"
    & skf21("2","1","1","1","6","4","6","1") = "5"
    & skf21("2","1","1","1","6","4","7","1") = "6"
    & skf21("2","1","1","1","6","5","1","1") = "5"
    & skf21("2","1","1","1","6","5","2","1") = "5"
    & skf21("2","1","1","1","6","5","3","1") = "5"
    & skf21("2","1","1","1","6","5","4","1") = "5"
    & skf21("2","1","1","1","6","5","5","1") = "5"
    & skf21("2","1","1","1","6","5","6","1") = "5"
    & skf21("2","1","1","1","6","5","7","1") = "6"
    & skf21("2","1","1","1","6","6","1","1") = "5"
    & skf21("2","1","1","1","6","6","2","1") = "5"
    & skf21("2","1","1","1","6","6","3","1") = "5"
    & skf21("2","1","1","1","6","6","4","1") = "5"
    & skf21("2","1","1","1","6","6","5","1") = "5"
    & skf21("2","1","1","1","6","6","6","1") = "5"
    & skf21("2","1","1","1","6","6","7","1") = "6"
    & skf21("2","1","1","1","6","7","1","1") = "6"
    & skf21("2","1","1","1","6","7","2","1") = "6"
    & skf21("2","1","1","1","6","7","3","1") = "6"
    & skf21("2","1","1","1","6","7","4","1") = "6"
    & skf21("2","1","1","1","6","7","5","1") = "6"
    & skf21("2","1","1","1","6","7","6","1") = "6"
    & skf21("2","1","1","1","6","7","7","1") = "6"
    & skf21("2","1","1","1","7","1","1","1") = "6"
    & skf21("2","1","1","1","7","1","2","1") = "6"
    & skf21("2","1","1","1","7","1","3","1") = "6"
    & skf21("2","1","1","1","7","1","4","1") = "6"
    & skf21("2","1","1","1","7","1","5","1") = "6"
    & skf21("2","1","1","1","7","1","6","1") = "6"
    & skf21("2","1","1","1","7","1","7","1") = "6"
    & skf21("2","1","1","1","7","2","1","1") = "6"
    & skf21("2","1","1","1","7","2","2","1") = "6"
    & skf21("2","1","1","1","7","2","3","1") = "6"
    & skf21("2","1","1","1","7","2","4","1") = "6"
    & skf21("2","1","1","1","7","2","5","1") = "6"
    & skf21("2","1","1","1","7","2","6","1") = "6"
    & skf21("2","1","1","1","7","2","7","1") = "6"
    & skf21("2","1","1","1","7","3","1","1") = "6"
    & skf21("2","1","1","1","7","3","2","1") = "6"
    & skf21("2","1","1","1","7","3","3","1") = "6"
    & skf21("2","1","1","1","7","3","4","1") = "6"
    & skf21("2","1","1","1","7","3","5","1") = "6"
    & skf21("2","1","1","1","7","3","6","1") = "6"
    & skf21("2","1","1","1","7","3","7","1") = "6"
    & skf21("2","1","1","1","7","4","1","1") = "6"
    & skf21("2","1","1","1","7","4","2","1") = "6"
    & skf21("2","1","1","1","7","4","3","1") = "6"
    & skf21("2","1","1","1","7","4","4","1") = "6"
    & skf21("2","1","1","1","7","4","5","1") = "6"
    & skf21("2","1","1","1","7","4","6","1") = "6"
    & skf21("2","1","1","1","7","4","7","1") = "6"
    & skf21("2","1","1","1","7","5","1","1") = "6"
    & skf21("2","1","1","1","7","5","2","1") = "6"
    & skf21("2","1","1","1","7","5","3","1") = "6"
    & skf21("2","1","1","1","7","5","4","1") = "6"
    & skf21("2","1","1","1","7","5","5","1") = "6"
    & skf21("2","1","1","1","7","5","6","1") = "6"
    & skf21("2","1","1","1","7","5","7","1") = "6"
    & skf21("2","1","1","1","7","6","1","1") = "6"
    & skf21("2","1","1","1","7","6","2","1") = "6"
    & skf21("2","1","1","1","7","6","3","1") = "6"
    & skf21("2","1","1","1","7","6","4","1") = "6"
    & skf21("2","1","1","1","7","6","5","1") = "6"
    & skf21("2","1","1","1","7","6","6","1") = "6"
    & skf21("2","1","1","1","7","6","7","1") = "6"
    & skf21("2","1","1","1","7","7","1","1") = "6"
    & skf21("2","1","1","1","7","7","2","1") = "6"
    & skf21("2","1","1","1","7","7","3","1") = "6"
    & skf21("2","1","1","1","7","7","4","1") = "6"
    & skf21("2","1","1","1","7","7","5","1") = "6"
    & skf21("2","1","1","1","7","7","6","1") = "6"
    & skf21("2","1","1","1","7","7","7","1") = "6"
    & skf21("2","1","1","2","1","1","1","1") = "1"
    & skf21("2","1","1","2","1","1","2","1") = "1"
    & skf21("2","1","1","2","1","1","3","1") = "2"
    & skf21("2","1","1","2","1","1","4","1") = "3"
    & skf21("2","1","1","2","1","1","5","1") = "4"
    & skf21("2","1","1","2","1","1","6","1") = "5"
    & skf21("2","1","1","2","1","1","7","1") = "6"
    & skf21("2","1","1","2","1","2","1","1") = "2"
    & skf21("2","1","1","2","1","2","2","1") = "1"
    & skf21("2","1","1","2","1","2","3","1") = "2"
    & skf21("2","1","1","2","1","2","4","1") = "3"
    & skf21("2","1","1","2","1","2","5","1") = "4"
    & skf21("2","1","1","2","1","2","6","1") = "5"
    & skf21("2","1","1","2","1","2","7","1") = "6"
    & skf21("2","1","1","2","1","3","1","1") = "2"
    & skf21("2","1","1","2","1","3","2","1") = "2"
    & skf21("2","1","1","2","1","3","3","1") = "2"
    & skf21("2","1","1","2","1","3","4","1") = "3"
    & skf21("2","1","1","2","1","3","5","1") = "4"
    & skf21("2","1","1","2","1","3","6","1") = "5"
    & skf21("2","1","1","2","1","3","7","1") = "6"
    & skf21("2","1","1","2","1","4","1","1") = "3"
    & skf21("2","1","1","2","1","4","2","1") = "3"
    & skf21("2","1","1","2","1","4","3","1") = "3"
    & skf21("2","1","1","2","1","4","4","1") = "3"
    & skf21("2","1","1","2","1","4","5","1") = "4"
    & skf21("2","1","1","2","1","4","6","1") = "5"
    & skf21("2","1","1","2","1","4","7","1") = "6"
    & skf21("2","1","1","2","1","5","1","1") = "4"
    & skf21("2","1","1","2","1","5","2","1") = "4"
    & skf21("2","1","1","2","1","5","3","1") = "4"
    & skf21("2","1","1","2","1","5","4","1") = "4"
    & skf21("2","1","1","2","1","5","5","1") = "4"
    & skf21("2","1","1","2","1","5","6","1") = "5"
    & skf21("2","1","1","2","1","5","7","1") = "6"
    & skf21("2","1","1","2","1","6","1","1") = "5"
    & skf21("2","1","1","2","1","6","2","1") = "5"
    & skf21("2","1","1","2","1","6","3","1") = "5"
    & skf21("2","1","1","2","1","6","4","1") = "5"
    & skf21("2","1","1","2","1","6","5","1") = "5"
    & skf21("2","1","1","2","1","6","6","1") = "5"
    & skf21("2","1","1","2","1","6","7","1") = "6"
    & skf21("2","1","1","2","1","7","1","1") = "6"
    & skf21("2","1","1","2","1","7","2","1") = "6"
    & skf21("2","1","1","2","1","7","3","1") = "6"
    & skf21("2","1","1","2","1","7","4","1") = "6"
    & skf21("2","1","1","2","1","7","5","1") = "6"
    & skf21("2","1","1","2","1","7","6","1") = "6"
    & skf21("2","1","1","2","1","7","7","1") = "6"
    & skf21("2","1","1","2","2","1","1","1") = "1"
    & skf21("2","1","1","2","2","1","2","1") = "2"
    & skf21("2","1","1","2","2","1","3","1") = "2"
    & skf21("2","1","1","2","2","1","4","1") = "3"
    & skf21("2","1","1","2","2","1","5","1") = "4"
    & skf21("2","1","1","2","2","1","6","1") = "5"
    & skf21("2","1","1","2","2","1","7","1") = "6"
    & skf21("2","1","1","2","2","2","1","1") = "1"
    & skf21("2","1","1","2","2","2","2","1") = "1"
    & skf21("2","1","1","2","2","2","3","1") = "2"
    & skf21("2","1","1","2","2","2","4","1") = "3"
    & skf21("2","1","1","2","2","2","5","1") = "4"
    & skf21("2","1","1","2","2","2","6","1") = "5"
    & skf21("2","1","1","2","2","2","7","1") = "6"
    & skf21("2","1","1","2","2","3","1","1") = "2"
    & skf21("2","1","1","2","2","3","2","1") = "2"
    & skf21("2","1","1","2","2","3","3","1") = "2"
    & skf21("2","1","1","2","2","3","4","1") = "3"
    & skf21("2","1","1","2","2","3","5","1") = "4"
    & skf21("2","1","1","2","2","3","6","1") = "5"
    & skf21("2","1","1","2","2","3","7","1") = "6"
    & skf21("2","1","1","2","2","4","1","1") = "3"
    & skf21("2","1","1","2","2","4","2","1") = "3"
    & skf21("2","1","1","2","2","4","3","1") = "3"
    & skf21("2","1","1","2","2","4","4","1") = "3"
    & skf21("2","1","1","2","2","4","5","1") = "4"
    & skf21("2","1","1","2","2","4","6","1") = "5"
    & skf21("2","1","1","2","2","4","7","1") = "6"
    & skf21("2","1","1","2","2","5","1","1") = "4"
    & skf21("2","1","1","2","2","5","2","1") = "4"
    & skf21("2","1","1","2","2","5","3","1") = "4"
    & skf21("2","1","1","2","2","5","4","1") = "4"
    & skf21("2","1","1","2","2","5","5","1") = "4"
    & skf21("2","1","1","2","2","5","6","1") = "5"
    & skf21("2","1","1","2","2","5","7","1") = "6"
    & skf21("2","1","1","2","2","6","1","1") = "5"
    & skf21("2","1","1","2","2","6","2","1") = "5"
    & skf21("2","1","1","2","2","6","3","1") = "5"
    & skf21("2","1","1","2","2","6","4","1") = "5"
    & skf21("2","1","1","2","2","6","5","1") = "5"
    & skf21("2","1","1","2","2","6","6","1") = "5"
    & skf21("2","1","1","2","2","6","7","1") = "6"
    & skf21("2","1","1","2","2","7","1","1") = "6"
    & skf21("2","1","1","2","2","7","2","1") = "6"
    & skf21("2","1","1","2","2","7","3","1") = "6"
    & skf21("2","1","1","2","2","7","4","1") = "6"
    & skf21("2","1","1","2","2","7","5","1") = "6"
    & skf21("2","1","1","2","2","7","6","1") = "6"
    & skf21("2","1","1","2","2","7","7","1") = "6"
    & skf21("2","1","1","2","3","1","1","1") = "2"
    & skf21("2","1","1","2","3","1","2","1") = "2"
    & skf21("2","1","1","2","3","1","3","1") = "2"
    & skf21("2","1","1","2","3","1","4","1") = "3"
    & skf21("2","1","1","2","3","1","5","1") = "4"
    & skf21("2","1","1","2","3","1","6","1") = "5"
    & skf21("2","1","1","2","3","1","7","1") = "6"
    & skf21("2","1","1","2","3","2","1","1") = "2"
    & skf21("2","1","1","2","3","2","2","1") = "2"
    & skf21("2","1","1","2","3","2","3","1") = "2"
    & skf21("2","1","1","2","3","2","4","1") = "3"
    & skf21("2","1","1","2","3","2","5","1") = "4"
    & skf21("2","1","1","2","3","2","6","1") = "5"
    & skf21("2","1","1","2","3","2","7","1") = "6"
    & skf21("2","1","1","2","3","3","1","1") = "2"
    & skf21("2","1","1","2","3","3","2","1") = "2"
    & skf21("2","1","1","2","3","3","3","1") = "2"
    & skf21("2","1","1","2","3","3","4","1") = "3"
    & skf21("2","1","1","2","3","3","5","1") = "4"
    & skf21("2","1","1","2","3","3","6","1") = "5"
    & skf21("2","1","1","2","3","3","7","1") = "6"
    & skf21("2","1","1","2","3","4","1","1") = "3"
    & skf21("2","1","1","2","3","4","2","1") = "3"
    & skf21("2","1","1","2","3","4","3","1") = "3"
    & skf21("2","1","1","2","3","4","4","1") = "3"
    & skf21("2","1","1","2","3","4","5","1") = "4"
    & skf21("2","1","1","2","3","4","6","1") = "5"
    & skf21("2","1","1","2","3","4","7","1") = "6"
    & skf21("2","1","1","2","3","5","1","1") = "4"
    & skf21("2","1","1","2","3","5","2","1") = "4"
    & skf21("2","1","1","2","3","5","3","1") = "4"
    & skf21("2","1","1","2","3","5","4","1") = "4"
    & skf21("2","1","1","2","3","5","5","1") = "4"
    & skf21("2","1","1","2","3","5","6","1") = "5"
    & skf21("2","1","1","2","3","5","7","1") = "6"
    & skf21("2","1","1","2","3","6","1","1") = "5"
    & skf21("2","1","1","2","3","6","2","1") = "5"
    & skf21("2","1","1","2","3","6","3","1") = "5"
    & skf21("2","1","1","2","3","6","4","1") = "5"
    & skf21("2","1","1","2","3","6","5","1") = "5"
    & skf21("2","1","1","2","3","6","6","1") = "5"
    & skf21("2","1","1","2","3","6","7","1") = "6"
    & skf21("2","1","1","2","3","7","1","1") = "6"
    & skf21("2","1","1","2","3","7","2","1") = "6"
    & skf21("2","1","1","2","3","7","3","1") = "6"
    & skf21("2","1","1","2","3","7","4","1") = "6"
    & skf21("2","1","1","2","3","7","5","1") = "6"
    & skf21("2","1","1","2","3","7","6","1") = "6"
    & skf21("2","1","1","2","3","7","7","1") = "6"
    & skf21("2","1","1","2","4","1","1","1") = "3"
    & skf21("2","1","1","2","4","1","2","1") = "3"
    & skf21("2","1","1","2","4","1","3","1") = "3"
    & skf21("2","1","1","2","4","1","4","1") = "3"
    & skf21("2","1","1","2","4","1","5","1") = "4"
    & skf21("2","1","1","2","4","1","6","1") = "5"
    & skf21("2","1","1","2","4","1","7","1") = "6"
    & skf21("2","1","1","2","4","2","1","1") = "3"
    & skf21("2","1","1","2","4","2","2","1") = "3"
    & skf21("2","1","1","2","4","2","3","1") = "3"
    & skf21("2","1","1","2","4","2","4","1") = "3"
    & skf21("2","1","1","2","4","2","5","1") = "4"
    & skf21("2","1","1","2","4","2","6","1") = "5"
    & skf21("2","1","1","2","4","2","7","1") = "6"
    & skf21("2","1","1","2","4","3","1","1") = "3"
    & skf21("2","1","1","2","4","3","2","1") = "3"
    & skf21("2","1","1","2","4","3","3","1") = "3"
    & skf21("2","1","1","2","4","3","4","1") = "3"
    & skf21("2","1","1","2","4","3","5","1") = "4"
    & skf21("2","1","1","2","4","3","6","1") = "5"
    & skf21("2","1","1","2","4","3","7","1") = "6"
    & skf21("2","1","1","2","4","4","1","1") = "3"
    & skf21("2","1","1","2","4","4","2","1") = "3"
    & skf21("2","1","1","2","4","4","3","1") = "3"
    & skf21("2","1","1","2","4","4","4","1") = "3"
    & skf21("2","1","1","2","4","4","5","1") = "4"
    & skf21("2","1","1","2","4","4","6","1") = "5"
    & skf21("2","1","1","2","4","4","7","1") = "6"
    & skf21("2","1","1","2","4","5","1","1") = "4"
    & skf21("2","1","1","2","4","5","2","1") = "4"
    & skf21("2","1","1","2","4","5","3","1") = "4"
    & skf21("2","1","1","2","4","5","4","1") = "4"
    & skf21("2","1","1","2","4","5","5","1") = "4"
    & skf21("2","1","1","2","4","5","6","1") = "5"
    & skf21("2","1","1","2","4","5","7","1") = "6"
    & skf21("2","1","1","2","4","6","1","1") = "5"
    & skf21("2","1","1","2","4","6","2","1") = "5"
    & skf21("2","1","1","2","4","6","3","1") = "5"
    & skf21("2","1","1","2","4","6","4","1") = "5"
    & skf21("2","1","1","2","4","6","5","1") = "5"
    & skf21("2","1","1","2","4","6","6","1") = "5"
    & skf21("2","1","1","2","4","6","7","1") = "6"
    & skf21("2","1","1","2","4","7","1","1") = "6"
    & skf21("2","1","1","2","4","7","2","1") = "6"
    & skf21("2","1","1","2","4","7","3","1") = "6"
    & skf21("2","1","1","2","4","7","4","1") = "6"
    & skf21("2","1","1","2","4","7","5","1") = "6"
    & skf21("2","1","1","2","4","7","6","1") = "6"
    & skf21("2","1","1","2","4","7","7","1") = "6"
    & skf21("2","1","1","2","5","1","1","1") = "4"
    & skf21("2","1","1","2","5","1","2","1") = "4"
    & skf21("2","1","1","2","5","1","3","1") = "4"
    & skf21("2","1","1","2","5","1","4","1") = "4"
    & skf21("2","1","1","2","5","1","5","1") = "4"
    & skf21("2","1","1","2","5","1","6","1") = "5"
    & skf21("2","1","1","2","5","1","7","1") = "6"
    & skf21("2","1","1","2","5","2","1","1") = "4"
    & skf21("2","1","1","2","5","2","2","1") = "4"
    & skf21("2","1","1","2","5","2","3","1") = "4"
    & skf21("2","1","1","2","5","2","4","1") = "4"
    & skf21("2","1","1","2","5","2","5","1") = "4"
    & skf21("2","1","1","2","5","2","6","1") = "5"
    & skf21("2","1","1","2","5","2","7","1") = "6"
    & skf21("2","1","1","2","5","3","1","1") = "4"
    & skf21("2","1","1","2","5","3","2","1") = "4"
    & skf21("2","1","1","2","5","3","3","1") = "4"
    & skf21("2","1","1","2","5","3","4","1") = "4"
    & skf21("2","1","1","2","5","3","5","1") = "4"
    & skf21("2","1","1","2","5","3","6","1") = "5"
    & skf21("2","1","1","2","5","3","7","1") = "6"
    & skf21("2","1","1","2","5","4","1","1") = "4"
    & skf21("2","1","1","2","5","4","2","1") = "4"
    & skf21("2","1","1","2","5","4","3","1") = "4"
    & skf21("2","1","1","2","5","4","4","1") = "4"
    & skf21("2","1","1","2","5","4","5","1") = "4"
    & skf21("2","1","1","2","5","4","6","1") = "5"
    & skf21("2","1","1","2","5","4","7","1") = "6"
    & skf21("2","1","1","2","5","5","1","1") = "4"
    & skf21("2","1","1","2","5","5","2","1") = "4"
    & skf21("2","1","1","2","5","5","3","1") = "4"
    & skf21("2","1","1","2","5","5","4","1") = "4"
    & skf21("2","1","1","2","5","5","5","1") = "4"
    & skf21("2","1","1","2","5","5","6","1") = "5"
    & skf21("2","1","1","2","5","5","7","1") = "6"
    & skf21("2","1","1","2","5","6","1","1") = "5"
    & skf21("2","1","1","2","5","6","2","1") = "5"
    & skf21("2","1","1","2","5","6","3","1") = "5"
    & skf21("2","1","1","2","5","6","4","1") = "5"
    & skf21("2","1","1","2","5","6","5","1") = "5"
    & skf21("2","1","1","2","5","6","6","1") = "5"
    & skf21("2","1","1","2","5","6","7","1") = "6"
    & skf21("2","1","1","2","5","7","1","1") = "6"
    & skf21("2","1","1","2","5","7","2","1") = "6"
    & skf21("2","1","1","2","5","7","3","1") = "6"
    & skf21("2","1","1","2","5","7","4","1") = "6"
    & skf21("2","1","1","2","5","7","5","1") = "6"
    & skf21("2","1","1","2","5","7","6","1") = "6"
    & skf21("2","1","1","2","5","7","7","1") = "6"
    & skf21("2","1","1","2","6","1","1","1") = "5"
    & skf21("2","1","1","2","6","1","2","1") = "5"
    & skf21("2","1","1","2","6","1","3","1") = "5"
    & skf21("2","1","1","2","6","1","4","1") = "5"
    & skf21("2","1","1","2","6","1","5","1") = "5"
    & skf21("2","1","1","2","6","1","6","1") = "5"
    & skf21("2","1","1","2","6","1","7","1") = "6"
    & skf21("2","1","1","2","6","2","1","1") = "5"
    & skf21("2","1","1","2","6","2","2","1") = "5"
    & skf21("2","1","1","2","6","2","3","1") = "5"
    & skf21("2","1","1","2","6","2","4","1") = "5"
    & skf21("2","1","1","2","6","2","5","1") = "5"
    & skf21("2","1","1","2","6","2","6","1") = "5"
    & skf21("2","1","1","2","6","2","7","1") = "6"
    & skf21("2","1","1","2","6","3","1","1") = "5"
    & skf21("2","1","1","2","6","3","2","1") = "5"
    & skf21("2","1","1","2","6","3","3","1") = "5"
    & skf21("2","1","1","2","6","3","4","1") = "5"
    & skf21("2","1","1","2","6","3","5","1") = "5"
    & skf21("2","1","1","2","6","3","6","1") = "5"
    & skf21("2","1","1","2","6","3","7","1") = "6"
    & skf21("2","1","1","2","6","4","1","1") = "5"
    & skf21("2","1","1","2","6","4","2","1") = "5"
    & skf21("2","1","1","2","6","4","3","1") = "5"
    & skf21("2","1","1","2","6","4","4","1") = "5"
    & skf21("2","1","1","2","6","4","5","1") = "5"
    & skf21("2","1","1","2","6","4","6","1") = "5"
    & skf21("2","1","1","2","6","4","7","1") = "6"
    & skf21("2","1","1","2","6","5","1","1") = "5"
    & skf21("2","1","1","2","6","5","2","1") = "5"
    & skf21("2","1","1","2","6","5","3","1") = "5"
    & skf21("2","1","1","2","6","5","4","1") = "5"
    & skf21("2","1","1","2","6","5","5","1") = "5"
    & skf21("2","1","1","2","6","5","6","1") = "5"
    & skf21("2","1","1","2","6","5","7","1") = "6"
    & skf21("2","1","1","2","6","6","1","1") = "5"
    & skf21("2","1","1","2","6","6","2","1") = "5"
    & skf21("2","1","1","2","6","6","3","1") = "5"
    & skf21("2","1","1","2","6","6","4","1") = "5"
    & skf21("2","1","1","2","6","6","5","1") = "5"
    & skf21("2","1","1","2","6","6","6","1") = "5"
    & skf21("2","1","1","2","6","6","7","1") = "6"
    & skf21("2","1","1","2","6","7","1","1") = "6"
    & skf21("2","1","1","2","6","7","2","1") = "6"
    & skf21("2","1","1","2","6","7","3","1") = "6"
    & skf21("2","1","1","2","6","7","4","1") = "6"
    & skf21("2","1","1","2","6","7","5","1") = "6"
    & skf21("2","1","1","2","6","7","6","1") = "6"
    & skf21("2","1","1","2","6","7","7","1") = "6"
    & skf21("2","1","1","2","7","1","1","1") = "6"
    & skf21("2","1","1","2","7","1","2","1") = "6"
    & skf21("2","1","1","2","7","1","3","1") = "6"
    & skf21("2","1","1","2","7","1","4","1") = "6"
    & skf21("2","1","1","2","7","1","5","1") = "6"
    & skf21("2","1","1","2","7","1","6","1") = "6"
    & skf21("2","1","1","2","7","1","7","1") = "6"
    & skf21("2","1","1","2","7","2","1","1") = "6"
    & skf21("2","1","1","2","7","2","2","1") = "6"
    & skf21("2","1","1","2","7","2","3","1") = "6"
    & skf21("2","1","1","2","7","2","4","1") = "6"
    & skf21("2","1","1","2","7","2","5","1") = "6"
    & skf21("2","1","1","2","7","2","6","1") = "6"
    & skf21("2","1","1","2","7","2","7","1") = "6"
    & skf21("2","1","1","2","7","3","1","1") = "6"
    & skf21("2","1","1","2","7","3","2","1") = "6"
    & skf21("2","1","1","2","7","3","3","1") = "6"
    & skf21("2","1","1","2","7","3","4","1") = "6"
    & skf21("2","1","1","2","7","3","5","1") = "6"
    & skf21("2","1","1","2","7","3","6","1") = "6"
    & skf21("2","1","1","2","7","3","7","1") = "6"
    & skf21("2","1","1","2","7","4","1","1") = "6"
    & skf21("2","1","1","2","7","4","2","1") = "6"
    & skf21("2","1","1","2","7","4","3","1") = "6"
    & skf21("2","1","1","2","7","4","4","1") = "6"
    & skf21("2","1","1","2","7","4","5","1") = "6"
    & skf21("2","1","1","2","7","4","6","1") = "6"
    & skf21("2","1","1","2","7","4","7","1") = "6"
    & skf21("2","1","1","2","7","5","1","1") = "6"
    & skf21("2","1","1","2","7","5","2","1") = "6"
    & skf21("2","1","1","2","7","5","3","1") = "6"
    & skf21("2","1","1","2","7","5","4","1") = "6"
    & skf21("2","1","1","2","7","5","5","1") = "6"
    & skf21("2","1","1","2","7","5","6","1") = "6"
    & skf21("2","1","1","2","7","5","7","1") = "6"
    & skf21("2","1","1","2","7","6","1","1") = "6"
    & skf21("2","1","1","2","7","6","2","1") = "6"
    & skf21("2","1","1","2","7","6","3","1") = "6"
    & skf21("2","1","1","2","7","6","4","1") = "6"
    & skf21("2","1","1","2","7","6","5","1") = "6"
    & skf21("2","1","1","2","7","6","6","1") = "6"
    & skf21("2","1","1","2","7","6","7","1") = "6"
    & skf21("2","1","1","2","7","7","1","1") = "6"
    & skf21("2","1","1","2","7","7","2","1") = "6"
    & skf21("2","1","1","2","7","7","3","1") = "6"
    & skf21("2","1","1","2","7","7","4","1") = "6"
    & skf21("2","1","1","2","7","7","5","1") = "6"
    & skf21("2","1","1","2","7","7","6","1") = "6"
    & skf21("2","1","1","2","7","7","7","1") = "6"
    & skf21("2","1","1","3","1","1","1","1") = "2"
    & skf21("2","1","1","3","1","1","2","1") = "2"
    & skf21("2","1","1","3","1","1","3","1") = "2"
    & skf21("2","1","1","3","1","1","4","1") = "3"
    & skf21("2","1","1","3","1","1","5","1") = "4"
    & skf21("2","1","1","3","1","1","6","1") = "5"
    & skf21("2","1","1","3","1","1","7","1") = "6"
    & skf21("2","1","1","3","1","2","1","1") = "2"
    & skf21("2","1","1","3","1","2","2","1") = "2"
    & skf21("2","1","1","3","1","2","3","1") = "2"
    & skf21("2","1","1","3","1","2","4","1") = "3"
    & skf21("2","1","1","3","1","2","5","1") = "4"
    & skf21("2","1","1","3","1","2","6","1") = "5"
    & skf21("2","1","1","3","1","2","7","1") = "6"
    & skf21("2","1","1","3","1","3","1","1") = "2"
    & skf21("2","1","1","3","1","3","2","1") = "2"
    & skf21("2","1","1","3","1","3","3","1") = "2"
    & skf21("2","1","1","3","1","3","4","1") = "3"
    & skf21("2","1","1","3","1","3","5","1") = "4"
    & skf21("2","1","1","3","1","3","6","1") = "5"
    & skf21("2","1","1","3","1","3","7","1") = "6"
    & skf21("2","1","1","3","1","4","1","1") = "3"
    & skf21("2","1","1","3","1","4","2","1") = "3"
    & skf21("2","1","1","3","1","4","3","1") = "3"
    & skf21("2","1","1","3","1","4","4","1") = "3"
    & skf21("2","1","1","3","1","4","5","1") = "4"
    & skf21("2","1","1","3","1","4","6","1") = "5"
    & skf21("2","1","1","3","1","4","7","1") = "6"
    & skf21("2","1","1","3","1","5","1","1") = "4"
    & skf21("2","1","1","3","1","5","2","1") = "4"
    & skf21("2","1","1","3","1","5","3","1") = "4"
    & skf21("2","1","1","3","1","5","4","1") = "4"
    & skf21("2","1","1","3","1","5","5","1") = "4"
    & skf21("2","1","1","3","1","5","6","1") = "5"
    & skf21("2","1","1","3","1","5","7","1") = "6"
    & skf21("2","1","1","3","1","6","1","1") = "5"
    & skf21("2","1","1","3","1","6","2","1") = "5"
    & skf21("2","1","1","3","1","6","3","1") = "5"
    & skf21("2","1","1","3","1","6","4","1") = "5"
    & skf21("2","1","1","3","1","6","5","1") = "5"
    & skf21("2","1","1","3","1","6","6","1") = "5"
    & skf21("2","1","1","3","1","6","7","1") = "6"
    & skf21("2","1","1","3","1","7","1","1") = "6"
    & skf21("2","1","1","3","1","7","2","1") = "6"
    & skf21("2","1","1","3","1","7","3","1") = "6"
    & skf21("2","1","1","3","1","7","4","1") = "6"
    & skf21("2","1","1","3","1","7","5","1") = "6"
    & skf21("2","1","1","3","1","7","6","1") = "6"
    & skf21("2","1","1","3","1","7","7","1") = "6"
    & skf21("2","1","1","3","2","1","1","1") = "2"
    & skf21("2","1","1","3","2","1","2","1") = "2"
    & skf21("2","1","1","3","2","1","3","1") = "2"
    & skf21("2","1","1","3","2","1","4","1") = "3"
    & skf21("2","1","1","3","2","1","5","1") = "4"
    & skf21("2","1","1","3","2","1","6","1") = "5"
    & skf21("2","1","1","3","2","1","7","1") = "6"
    & skf21("2","1","1","3","2","2","1","1") = "2"
    & skf21("2","1","1","3","2","2","2","1") = "2"
    & skf21("2","1","1","3","2","2","3","1") = "2"
    & skf21("2","1","1","3","2","2","4","1") = "3"
    & skf21("2","1","1","3","2","2","5","1") = "4"
    & skf21("2","1","1","3","2","2","6","1") = "5"
    & skf21("2","1","1","3","2","2","7","1") = "6"
    & skf21("2","1","1","3","2","3","1","1") = "2"
    & skf21("2","1","1","3","2","3","2","1") = "2"
    & skf21("2","1","1","3","2","3","3","1") = "2"
    & skf21("2","1","1","3","2","3","4","1") = "3"
    & skf21("2","1","1","3","2","3","5","1") = "4"
    & skf21("2","1","1","3","2","3","6","1") = "5"
    & skf21("2","1","1","3","2","3","7","1") = "6"
    & skf21("2","1","1","3","2","4","1","1") = "3"
    & skf21("2","1","1","3","2","4","2","1") = "3"
    & skf21("2","1","1","3","2","4","3","1") = "3"
    & skf21("2","1","1","3","2","4","4","1") = "3"
    & skf21("2","1","1","3","2","4","5","1") = "4"
    & skf21("2","1","1","3","2","4","6","1") = "5"
    & skf21("2","1","1","3","2","4","7","1") = "6"
    & skf21("2","1","1","3","2","5","1","1") = "4"
    & skf21("2","1","1","3","2","5","2","1") = "4"
    & skf21("2","1","1","3","2","5","3","1") = "4"
    & skf21("2","1","1","3","2","5","4","1") = "4"
    & skf21("2","1","1","3","2","5","5","1") = "4"
    & skf21("2","1","1","3","2","5","6","1") = "5"
    & skf21("2","1","1","3","2","5","7","1") = "6"
    & skf21("2","1","1","3","2","6","1","1") = "5"
    & skf21("2","1","1","3","2","6","2","1") = "5"
    & skf21("2","1","1","3","2","6","3","1") = "5"
    & skf21("2","1","1","3","2","6","4","1") = "5"
    & skf21("2","1","1","3","2","6","5","1") = "5"
    & skf21("2","1","1","3","2","6","6","1") = "5"
    & skf21("2","1","1","3","2","6","7","1") = "6"
    & skf21("2","1","1","3","2","7","1","1") = "6"
    & skf21("2","1","1","3","2","7","2","1") = "6"
    & skf21("2","1","1","3","2","7","3","1") = "6"
    & skf21("2","1","1","3","2","7","4","1") = "6"
    & skf21("2","1","1","3","2","7","5","1") = "6"
    & skf21("2","1","1","3","2","7","6","1") = "6"
    & skf21("2","1","1","3","2","7","7","1") = "6"
    & skf21("2","1","1","3","3","1","1","1") = "2"
    & skf21("2","1","1","3","3","1","2","1") = "2"
    & skf21("2","1","1","3","3","1","3","1") = "2"
    & skf21("2","1","1","3","3","1","4","1") = "3"
    & skf21("2","1","1","3","3","1","5","1") = "4"
    & skf21("2","1","1","3","3","1","6","1") = "5"
    & skf21("2","1","1","3","3","1","7","1") = "6"
    & skf21("2","1","1","3","3","2","1","1") = "2"
    & skf21("2","1","1","3","3","2","2","1") = "2"
    & skf21("2","1","1","3","3","2","3","1") = "2"
    & skf21("2","1","1","3","3","2","4","1") = "3"
    & skf21("2","1","1","3","3","2","5","1") = "4"
    & skf21("2","1","1","3","3","2","6","1") = "5"
    & skf21("2","1","1","3","3","2","7","1") = "6"
    & skf21("2","1","1","3","3","3","1","1") = "2"
    & skf21("2","1","1","3","3","3","2","1") = "2"
    & skf21("2","1","1","3","3","3","3","1") = "2"
    & skf21("2","1","1","3","3","3","4","1") = "3"
    & skf21("2","1","1","3","3","3","5","1") = "4"
    & skf21("2","1","1","3","3","3","6","1") = "5"
    & skf21("2","1","1","3","3","3","7","1") = "6"
    & skf21("2","1","1","3","3","4","1","1") = "3"
    & skf21("2","1","1","3","3","4","2","1") = "3"
    & skf21("2","1","1","3","3","4","3","1") = "3"
    & skf21("2","1","1","3","3","4","4","1") = "3"
    & skf21("2","1","1","3","3","4","5","1") = "4"
    & skf21("2","1","1","3","3","4","6","1") = "5"
    & skf21("2","1","1","3","3","4","7","1") = "6"
    & skf21("2","1","1","3","3","5","1","1") = "4"
    & skf21("2","1","1","3","3","5","2","1") = "4"
    & skf21("2","1","1","3","3","5","3","1") = "4"
    & skf21("2","1","1","3","3","5","4","1") = "4"
    & skf21("2","1","1","3","3","5","5","1") = "4"
    & skf21("2","1","1","3","3","5","6","1") = "5"
    & skf21("2","1","1","3","3","5","7","1") = "6"
    & skf21("2","1","1","3","3","6","1","1") = "5"
    & skf21("2","1","1","3","3","6","2","1") = "5"
    & skf21("2","1","1","3","3","6","3","1") = "5"
    & skf21("2","1","1","3","3","6","4","1") = "5"
    & skf21("2","1","1","3","3","6","5","1") = "5"
    & skf21("2","1","1","3","3","6","6","1") = "5"
    & skf21("2","1","1","3","3","6","7","1") = "6"
    & skf21("2","1","1","3","3","7","1","1") = "6"
    & skf21("2","1","1","3","3","7","2","1") = "6"
    & skf21("2","1","1","3","3","7","3","1") = "6"
    & skf21("2","1","1","3","3","7","4","1") = "6"
    & skf21("2","1","1","3","3","7","5","1") = "6"
    & skf21("2","1","1","3","3","7","6","1") = "6"
    & skf21("2","1","1","3","3","7","7","1") = "6"
    & skf21("2","1","1","3","4","1","1","1") = "3"
    & skf21("2","1","1","3","4","1","2","1") = "3"
    & skf21("2","1","1","3","4","1","3","1") = "3"
    & skf21("2","1","1","3","4","1","4","1") = "3"
    & skf21("2","1","1","3","4","1","5","1") = "4"
    & skf21("2","1","1","3","4","1","6","1") = "5"
    & skf21("2","1","1","3","4","1","7","1") = "6"
    & skf21("2","1","1","3","4","2","1","1") = "3"
    & skf21("2","1","1","3","4","2","2","1") = "3"
    & skf21("2","1","1","3","4","2","3","1") = "3"
    & skf21("2","1","1","3","4","2","4","1") = "3"
    & skf21("2","1","1","3","4","2","5","1") = "4"
    & skf21("2","1","1","3","4","2","6","1") = "5"
    & skf21("2","1","1","3","4","2","7","1") = "6"
    & skf21("2","1","1","3","4","3","1","1") = "3"
    & skf21("2","1","1","3","4","3","2","1") = "3"
    & skf21("2","1","1","3","4","3","3","1") = "3"
    & skf21("2","1","1","3","4","3","4","1") = "3"
    & skf21("2","1","1","3","4","3","5","1") = "4"
    & skf21("2","1","1","3","4","3","6","1") = "5"
    & skf21("2","1","1","3","4","3","7","1") = "6"
    & skf21("2","1","1","3","4","4","1","1") = "3"
    & skf21("2","1","1","3","4","4","2","1") = "3"
    & skf21("2","1","1","3","4","4","3","1") = "3"
    & skf21("2","1","1","3","4","4","4","1") = "3"
    & skf21("2","1","1","3","4","4","5","1") = "4"
    & skf21("2","1","1","3","4","4","6","1") = "5"
    & skf21("2","1","1","3","4","4","7","1") = "6"
    & skf21("2","1","1","3","4","5","1","1") = "4"
    & skf21("2","1","1","3","4","5","2","1") = "4"
    & skf21("2","1","1","3","4","5","3","1") = "4"
    & skf21("2","1","1","3","4","5","4","1") = "4"
    & skf21("2","1","1","3","4","5","5","1") = "4"
    & skf21("2","1","1","3","4","5","6","1") = "5"
    & skf21("2","1","1","3","4","5","7","1") = "6"
    & skf21("2","1","1","3","4","6","1","1") = "5"
    & skf21("2","1","1","3","4","6","2","1") = "5"
    & skf21("2","1","1","3","4","6","3","1") = "5"
    & skf21("2","1","1","3","4","6","4","1") = "5"
    & skf21("2","1","1","3","4","6","5","1") = "5"
    & skf21("2","1","1","3","4","6","6","1") = "5"
    & skf21("2","1","1","3","4","6","7","1") = "6"
    & skf21("2","1","1","3","4","7","1","1") = "6"
    & skf21("2","1","1","3","4","7","2","1") = "6"
    & skf21("2","1","1","3","4","7","3","1") = "6"
    & skf21("2","1","1","3","4","7","4","1") = "6"
    & skf21("2","1","1","3","4","7","5","1") = "6"
    & skf21("2","1","1","3","4","7","6","1") = "6"
    & skf21("2","1","1","3","4","7","7","1") = "6"
    & skf21("2","1","1","3","5","1","1","1") = "4"
    & skf21("2","1","1","3","5","1","2","1") = "4"
    & skf21("2","1","1","3","5","1","3","1") = "4"
    & skf21("2","1","1","3","5","1","4","1") = "4"
    & skf21("2","1","1","3","5","1","5","1") = "4"
    & skf21("2","1","1","3","5","1","6","1") = "5"
    & skf21("2","1","1","3","5","1","7","1") = "6"
    & skf21("2","1","1","3","5","2","1","1") = "4"
    & skf21("2","1","1","3","5","2","2","1") = "4"
    & skf21("2","1","1","3","5","2","3","1") = "4"
    & skf21("2","1","1","3","5","2","4","1") = "4"
    & skf21("2","1","1","3","5","2","5","1") = "4"
    & skf21("2","1","1","3","5","2","6","1") = "5"
    & skf21("2","1","1","3","5","2","7","1") = "6"
    & skf21("2","1","1","3","5","3","1","1") = "4"
    & skf21("2","1","1","3","5","3","2","1") = "4"
    & skf21("2","1","1","3","5","3","3","1") = "4"
    & skf21("2","1","1","3","5","3","4","1") = "4"
    & skf21("2","1","1","3","5","3","5","1") = "4"
    & skf21("2","1","1","3","5","3","6","1") = "5"
    & skf21("2","1","1","3","5","3","7","1") = "6"
    & skf21("2","1","1","3","5","4","1","1") = "4"
    & skf21("2","1","1","3","5","4","2","1") = "4"
    & skf21("2","1","1","3","5","4","3","1") = "4"
    & skf21("2","1","1","3","5","4","4","1") = "4"
    & skf21("2","1","1","3","5","4","5","1") = "4"
    & skf21("2","1","1","3","5","4","6","1") = "5"
    & skf21("2","1","1","3","5","4","7","1") = "6"
    & skf21("2","1","1","3","5","5","1","1") = "4"
    & skf21("2","1","1","3","5","5","2","1") = "4"
    & skf21("2","1","1","3","5","5","3","1") = "4"
    & skf21("2","1","1","3","5","5","4","1") = "4"
    & skf21("2","1","1","3","5","5","5","1") = "4"
    & skf21("2","1","1","3","5","5","6","1") = "5"
    & skf21("2","1","1","3","5","5","7","1") = "6"
    & skf21("2","1","1","3","5","6","1","1") = "5"
    & skf21("2","1","1","3","5","6","2","1") = "5"
    & skf21("2","1","1","3","5","6","3","1") = "5"
    & skf21("2","1","1","3","5","6","4","1") = "5"
    & skf21("2","1","1","3","5","6","5","1") = "5"
    & skf21("2","1","1","3","5","6","6","1") = "5"
    & skf21("2","1","1","3","5","6","7","1") = "6"
    & skf21("2","1","1","3","5","7","1","1") = "6"
    & skf21("2","1","1","3","5","7","2","1") = "6"
    & skf21("2","1","1","3","5","7","3","1") = "6"
    & skf21("2","1","1","3","5","7","4","1") = "6"
    & skf21("2","1","1","3","5","7","5","1") = "6"
    & skf21("2","1","1","3","5","7","6","1") = "6"
    & skf21("2","1","1","3","5","7","7","1") = "6"
    & skf21("2","1","1","3","6","1","1","1") = "5"
    & skf21("2","1","1","3","6","1","2","1") = "5"
    & skf21("2","1","1","3","6","1","3","1") = "5"
    & skf21("2","1","1","3","6","1","4","1") = "5"
    & skf21("2","1","1","3","6","1","5","1") = "5"
    & skf21("2","1","1","3","6","1","6","1") = "5"
    & skf21("2","1","1","3","6","1","7","1") = "6"
    & skf21("2","1","1","3","6","2","1","1") = "5"
    & skf21("2","1","1","3","6","2","2","1") = "5"
    & skf21("2","1","1","3","6","2","3","1") = "5"
    & skf21("2","1","1","3","6","2","4","1") = "5"
    & skf21("2","1","1","3","6","2","5","1") = "5"
    & skf21("2","1","1","3","6","2","6","1") = "5"
    & skf21("2","1","1","3","6","2","7","1") = "6"
    & skf21("2","1","1","3","6","3","1","1") = "5"
    & skf21("2","1","1","3","6","3","2","1") = "5"
    & skf21("2","1","1","3","6","3","3","1") = "5"
    & skf21("2","1","1","3","6","3","4","1") = "5"
    & skf21("2","1","1","3","6","3","5","1") = "5"
    & skf21("2","1","1","3","6","3","6","1") = "5"
    & skf21("2","1","1","3","6","3","7","1") = "6"
    & skf21("2","1","1","3","6","4","1","1") = "5"
    & skf21("2","1","1","3","6","4","2","1") = "5"
    & skf21("2","1","1","3","6","4","3","1") = "5"
    & skf21("2","1","1","3","6","4","4","1") = "5"
    & skf21("2","1","1","3","6","4","5","1") = "5"
    & skf21("2","1","1","3","6","4","6","1") = "5"
    & skf21("2","1","1","3","6","4","7","1") = "6"
    & skf21("2","1","1","3","6","5","1","1") = "5"
    & skf21("2","1","1","3","6","5","2","1") = "5"
    & skf21("2","1","1","3","6","5","3","1") = "5"
    & skf21("2","1","1","3","6","5","4","1") = "5"
    & skf21("2","1","1","3","6","5","5","1") = "5"
    & skf21("2","1","1","3","6","5","6","1") = "5"
    & skf21("2","1","1","3","6","5","7","1") = "6"
    & skf21("2","1","1","3","6","6","1","1") = "5"
    & skf21("2","1","1","3","6","6","2","1") = "5"
    & skf21("2","1","1","3","6","6","3","1") = "5"
    & skf21("2","1","1","3","6","6","4","1") = "5"
    & skf21("2","1","1","3","6","6","5","1") = "5"
    & skf21("2","1","1","3","6","6","6","1") = "5"
    & skf21("2","1","1","3","6","6","7","1") = "6"
    & skf21("2","1","1","3","6","7","1","1") = "6"
    & skf21("2","1","1","3","6","7","2","1") = "6"
    & skf21("2","1","1","3","6","7","3","1") = "6"
    & skf21("2","1","1","3","6","7","4","1") = "6"
    & skf21("2","1","1","3","6","7","5","1") = "6"
    & skf21("2","1","1","3","6","7","6","1") = "6"
    & skf21("2","1","1","3","6","7","7","1") = "6"
    & skf21("2","1","1","3","7","1","1","1") = "6"
    & skf21("2","1","1","3","7","1","2","1") = "6"
    & skf21("2","1","1","3","7","1","3","1") = "6"
    & skf21("2","1","1","3","7","1","4","1") = "6"
    & skf21("2","1","1","3","7","1","5","1") = "6"
    & skf21("2","1","1","3","7","1","6","1") = "6"
    & skf21("2","1","1","3","7","1","7","1") = "6"
    & skf21("2","1","1","3","7","2","1","1") = "6"
    & skf21("2","1","1","3","7","2","2","1") = "6"
    & skf21("2","1","1","3","7","2","3","1") = "6"
    & skf21("2","1","1","3","7","2","4","1") = "6"
    & skf21("2","1","1","3","7","2","5","1") = "6"
    & skf21("2","1","1","3","7","2","6","1") = "6"
    & skf21("2","1","1","3","7","2","7","1") = "6"
    & skf21("2","1","1","3","7","3","1","1") = "6"
    & skf21("2","1","1","3","7","3","2","1") = "6"
    & skf21("2","1","1","3","7","3","3","1") = "6"
    & skf21("2","1","1","3","7","3","4","1") = "6"
    & skf21("2","1","1","3","7","3","5","1") = "6"
    & skf21("2","1","1","3","7","3","6","1") = "6"
    & skf21("2","1","1","3","7","3","7","1") = "6"
    & skf21("2","1","1","3","7","4","1","1") = "6"
    & skf21("2","1","1","3","7","4","2","1") = "6"
    & skf21("2","1","1","3","7","4","3","1") = "6"
    & skf21("2","1","1","3","7","4","4","1") = "6"
    & skf21("2","1","1","3","7","4","5","1") = "6"
    & skf21("2","1","1","3","7","4","6","1") = "6"
    & skf21("2","1","1","3","7","4","7","1") = "6"
    & skf21("2","1","1","3","7","5","1","1") = "6"
    & skf21("2","1","1","3","7","5","2","1") = "6"
    & skf21("2","1","1","3","7","5","3","1") = "6"
    & skf21("2","1","1","3","7","5","4","1") = "6"
    & skf21("2","1","1","3","7","5","5","1") = "6"
    & skf21("2","1","1","3","7","5","6","1") = "6"
    & skf21("2","1","1","3","7","5","7","1") = "6"
    & skf21("2","1","1","3","7","6","1","1") = "6"
    & skf21("2","1","1","3","7","6","2","1") = "6"
    & skf21("2","1","1","3","7","6","3","1") = "6"
    & skf21("2","1","1","3","7","6","4","1") = "6"
    & skf21("2","1","1","3","7","6","5","1") = "6"
    & skf21("2","1","1","3","7","6","6","1") = "6"
    & skf21("2","1","1","3","7","6","7","1") = "6"
    & skf21("2","1","1","3","7","7","1","1") = "6"
    & skf21("2","1","1","3","7","7","2","1") = "6"
    & skf21("2","1","1","3","7","7","3","1") = "6"
    & skf21("2","1","1","3","7","7","4","1") = "6"
    & skf21("2","1","1","3","7","7","5","1") = "6"
    & skf21("2","1","1","3","7","7","6","1") = "6"
    & skf21("2","1","1","3","7","7","7","1") = "6"
    & skf21("2","1","1","4","1","1","1","1") = "3"
    & skf21("2","1","1","4","1","1","2","1") = "3"
    & skf21("2","1","1","4","1","1","3","1") = "3"
    & skf21("2","1","1","4","1","1","4","1") = "3"
    & skf21("2","1","1","4","1","1","5","1") = "4"
    & skf21("2","1","1","4","1","1","6","1") = "5"
    & skf21("2","1","1","4","1","1","7","1") = "6"
    & skf21("2","1","1","4","1","2","1","1") = "3"
    & skf21("2","1","1","4","1","2","2","1") = "3"
    & skf21("2","1","1","4","1","2","3","1") = "3"
    & skf21("2","1","1","4","1","2","4","1") = "3"
    & skf21("2","1","1","4","1","2","5","1") = "4"
    & skf21("2","1","1","4","1","2","6","1") = "5"
    & skf21("2","1","1","4","1","2","7","1") = "6"
    & skf21("2","1","1","4","1","3","1","1") = "3"
    & skf21("2","1","1","4","1","3","2","1") = "3"
    & skf21("2","1","1","4","1","3","3","1") = "3"
    & skf21("2","1","1","4","1","3","4","1") = "3"
    & skf21("2","1","1","4","1","3","5","1") = "4"
    & skf21("2","1","1","4","1","3","6","1") = "5"
    & skf21("2","1","1","4","1","3","7","1") = "6"
    & skf21("2","1","1","4","1","4","1","1") = "3"
    & skf21("2","1","1","4","1","4","2","1") = "3"
    & skf21("2","1","1","4","1","4","3","1") = "3"
    & skf21("2","1","1","4","1","4","4","1") = "3"
    & skf21("2","1","1","4","1","4","5","1") = "4"
    & skf21("2","1","1","4","1","4","6","1") = "5"
    & skf21("2","1","1","4","1","4","7","1") = "6"
    & skf21("2","1","1","4","1","5","1","1") = "4"
    & skf21("2","1","1","4","1","5","2","1") = "4"
    & skf21("2","1","1","4","1","5","3","1") = "4"
    & skf21("2","1","1","4","1","5","4","1") = "4"
    & skf21("2","1","1","4","1","5","5","1") = "4"
    & skf21("2","1","1","4","1","5","6","1") = "5"
    & skf21("2","1","1","4","1","5","7","1") = "6"
    & skf21("2","1","1","4","1","6","1","1") = "5"
    & skf21("2","1","1","4","1","6","2","1") = "5"
    & skf21("2","1","1","4","1","6","3","1") = "5"
    & skf21("2","1","1","4","1","6","4","1") = "5"
    & skf21("2","1","1","4","1","6","5","1") = "5"
    & skf21("2","1","1","4","1","6","6","1") = "5"
    & skf21("2","1","1","4","1","6","7","1") = "6"
    & skf21("2","1","1","4","1","7","1","1") = "6"
    & skf21("2","1","1","4","1","7","2","1") = "6"
    & skf21("2","1","1","4","1","7","3","1") = "6"
    & skf21("2","1","1","4","1","7","4","1") = "6"
    & skf21("2","1","1","4","1","7","5","1") = "6"
    & skf21("2","1","1","4","1","7","6","1") = "6"
    & skf21("2","1","1","4","1","7","7","1") = "6"
    & skf21("2","1","1","4","2","1","1","1") = "3"
    & skf21("2","1","1","4","2","1","2","1") = "3"
    & skf21("2","1","1","4","2","1","3","1") = "3"
    & skf21("2","1","1","4","2","1","4","1") = "3"
    & skf21("2","1","1","4","2","1","5","1") = "4"
    & skf21("2","1","1","4","2","1","6","1") = "5"
    & skf21("2","1","1","4","2","1","7","1") = "6"
    & skf21("2","1","1","4","2","2","1","1") = "3"
    & skf21("2","1","1","4","2","2","2","1") = "3"
    & skf21("2","1","1","4","2","2","3","1") = "3"
    & skf21("2","1","1","4","2","2","4","1") = "3"
    & skf21("2","1","1","4","2","2","5","1") = "4"
    & skf21("2","1","1","4","2","2","6","1") = "5"
    & skf21("2","1","1","4","2","2","7","1") = "6"
    & skf21("2","1","1","4","2","3","1","1") = "3"
    & skf21("2","1","1","4","2","3","2","1") = "3"
    & skf21("2","1","1","4","2","3","3","1") = "3"
    & skf21("2","1","1","4","2","3","4","1") = "3"
    & skf21("2","1","1","4","2","3","5","1") = "4"
    & skf21("2","1","1","4","2","3","6","1") = "5"
    & skf21("2","1","1","4","2","3","7","1") = "6"
    & skf21("2","1","1","4","2","4","1","1") = "3"
    & skf21("2","1","1","4","2","4","2","1") = "3"
    & skf21("2","1","1","4","2","4","3","1") = "3"
    & skf21("2","1","1","4","2","4","4","1") = "3"
    & skf21("2","1","1","4","2","4","5","1") = "4"
    & skf21("2","1","1","4","2","4","6","1") = "5"
    & skf21("2","1","1","4","2","4","7","1") = "6"
    & skf21("2","1","1","4","2","5","1","1") = "4"
    & skf21("2","1","1","4","2","5","2","1") = "4"
    & skf21("2","1","1","4","2","5","3","1") = "4"
    & skf21("2","1","1","4","2","5","4","1") = "4"
    & skf21("2","1","1","4","2","5","5","1") = "4"
    & skf21("2","1","1","4","2","5","6","1") = "5"
    & skf21("2","1","1","4","2","5","7","1") = "6"
    & skf21("2","1","1","4","2","6","1","1") = "5"
    & skf21("2","1","1","4","2","6","2","1") = "5"
    & skf21("2","1","1","4","2","6","3","1") = "5"
    & skf21("2","1","1","4","2","6","4","1") = "5"
    & skf21("2","1","1","4","2","6","5","1") = "5"
    & skf21("2","1","1","4","2","6","6","1") = "5"
    & skf21("2","1","1","4","2","6","7","1") = "6"
    & skf21("2","1","1","4","2","7","1","1") = "6"
    & skf21("2","1","1","4","2","7","2","1") = "6"
    & skf21("2","1","1","4","2","7","3","1") = "6"
    & skf21("2","1","1","4","2","7","4","1") = "6"
    & skf21("2","1","1","4","2","7","5","1") = "6"
    & skf21("2","1","1","4","2","7","6","1") = "6"
    & skf21("2","1","1","4","2","7","7","1") = "6"
    & skf21("2","1","1","4","3","1","1","1") = "3"
    & skf21("2","1","1","4","3","1","2","1") = "3"
    & skf21("2","1","1","4","3","1","3","1") = "3"
    & skf21("2","1","1","4","3","1","4","1") = "3"
    & skf21("2","1","1","4","3","1","5","1") = "4"
    & skf21("2","1","1","4","3","1","6","1") = "5"
    & skf21("2","1","1","4","3","1","7","1") = "6"
    & skf21("2","1","1","4","3","2","1","1") = "3"
    & skf21("2","1","1","4","3","2","2","1") = "3"
    & skf21("2","1","1","4","3","2","3","1") = "3"
    & skf21("2","1","1","4","3","2","4","1") = "3"
    & skf21("2","1","1","4","3","2","5","1") = "4"
    & skf21("2","1","1","4","3","2","6","1") = "5"
    & skf21("2","1","1","4","3","2","7","1") = "6"
    & skf21("2","1","1","4","3","3","1","1") = "3"
    & skf21("2","1","1","4","3","3","2","1") = "3"
    & skf21("2","1","1","4","3","3","3","1") = "3"
    & skf21("2","1","1","4","3","3","4","1") = "3"
    & skf21("2","1","1","4","3","3","5","1") = "4"
    & skf21("2","1","1","4","3","3","6","1") = "5"
    & skf21("2","1","1","4","3","3","7","1") = "6"
    & skf21("2","1","1","4","3","4","1","1") = "3"
    & skf21("2","1","1","4","3","4","2","1") = "3"
    & skf21("2","1","1","4","3","4","3","1") = "3"
    & skf21("2","1","1","4","3","4","4","1") = "3"
    & skf21("2","1","1","4","3","4","5","1") = "4"
    & skf21("2","1","1","4","3","4","6","1") = "5"
    & skf21("2","1","1","4","3","4","7","1") = "6"
    & skf21("2","1","1","4","3","5","1","1") = "4"
    & skf21("2","1","1","4","3","5","2","1") = "4"
    & skf21("2","1","1","4","3","5","3","1") = "4"
    & skf21("2","1","1","4","3","5","4","1") = "4"
    & skf21("2","1","1","4","3","5","5","1") = "4"
    & skf21("2","1","1","4","3","5","6","1") = "5"
    & skf21("2","1","1","4","3","5","7","1") = "6"
    & skf21("2","1","1","4","3","6","1","1") = "5"
    & skf21("2","1","1","4","3","6","2","1") = "5"
    & skf21("2","1","1","4","3","6","3","1") = "5"
    & skf21("2","1","1","4","3","6","4","1") = "5"
    & skf21("2","1","1","4","3","6","5","1") = "5"
    & skf21("2","1","1","4","3","6","6","1") = "5"
    & skf21("2","1","1","4","3","6","7","1") = "6"
    & skf21("2","1","1","4","3","7","1","1") = "6"
    & skf21("2","1","1","4","3","7","2","1") = "6"
    & skf21("2","1","1","4","3","7","3","1") = "6"
    & skf21("2","1","1","4","3","7","4","1") = "6"
    & skf21("2","1","1","4","3","7","5","1") = "6"
    & skf21("2","1","1","4","3","7","6","1") = "6"
    & skf21("2","1","1","4","3","7","7","1") = "6"
    & skf21("2","1","1","4","4","1","1","1") = "3"
    & skf21("2","1","1","4","4","1","2","1") = "3"
    & skf21("2","1","1","4","4","1","3","1") = "3"
    & skf21("2","1","1","4","4","1","4","1") = "3"
    & skf21("2","1","1","4","4","1","5","1") = "4"
    & skf21("2","1","1","4","4","1","6","1") = "5"
    & skf21("2","1","1","4","4","1","7","1") = "6"
    & skf21("2","1","1","4","4","2","1","1") = "3"
    & skf21("2","1","1","4","4","2","2","1") = "3"
    & skf21("2","1","1","4","4","2","3","1") = "3"
    & skf21("2","1","1","4","4","2","4","1") = "3"
    & skf21("2","1","1","4","4","2","5","1") = "4"
    & skf21("2","1","1","4","4","2","6","1") = "5"
    & skf21("2","1","1","4","4","2","7","1") = "6"
    & skf21("2","1","1","4","4","3","1","1") = "3"
    & skf21("2","1","1","4","4","3","2","1") = "3"
    & skf21("2","1","1","4","4","3","3","1") = "3"
    & skf21("2","1","1","4","4","3","4","1") = "3"
    & skf21("2","1","1","4","4","3","5","1") = "4"
    & skf21("2","1","1","4","4","3","6","1") = "5"
    & skf21("2","1","1","4","4","3","7","1") = "6"
    & skf21("2","1","1","4","4","4","1","1") = "3"
    & skf21("2","1","1","4","4","4","2","1") = "3"
    & skf21("2","1","1","4","4","4","3","1") = "3"
    & skf21("2","1","1","4","4","4","4","1") = "3"
    & skf21("2","1","1","4","4","4","5","1") = "4"
    & skf21("2","1","1","4","4","4","6","1") = "5"
    & skf21("2","1","1","4","4","4","7","1") = "6"
    & skf21("2","1","1","4","4","5","1","1") = "4"
    & skf21("2","1","1","4","4","5","2","1") = "4"
    & skf21("2","1","1","4","4","5","3","1") = "4"
    & skf21("2","1","1","4","4","5","4","1") = "4"
    & skf21("2","1","1","4","4","5","5","1") = "4"
    & skf21("2","1","1","4","4","5","6","1") = "5"
    & skf21("2","1","1","4","4","5","7","1") = "6"
    & skf21("2","1","1","4","4","6","1","1") = "5"
    & skf21("2","1","1","4","4","6","2","1") = "5"
    & skf21("2","1","1","4","4","6","3","1") = "5"
    & skf21("2","1","1","4","4","6","4","1") = "5"
    & skf21("2","1","1","4","4","6","5","1") = "5"
    & skf21("2","1","1","4","4","6","6","1") = "5"
    & skf21("2","1","1","4","4","6","7","1") = "6"
    & skf21("2","1","1","4","4","7","1","1") = "6"
    & skf21("2","1","1","4","4","7","2","1") = "6"
    & skf21("2","1","1","4","4","7","3","1") = "6"
    & skf21("2","1","1","4","4","7","4","1") = "6"
    & skf21("2","1","1","4","4","7","5","1") = "6"
    & skf21("2","1","1","4","4","7","6","1") = "6"
    & skf21("2","1","1","4","4","7","7","1") = "6"
    & skf21("2","1","1","4","5","1","1","1") = "4"
    & skf21("2","1","1","4","5","1","2","1") = "4"
    & skf21("2","1","1","4","5","1","3","1") = "4"
    & skf21("2","1","1","4","5","1","4","1") = "4"
    & skf21("2","1","1","4","5","1","5","1") = "4"
    & skf21("2","1","1","4","5","1","6","1") = "5"
    & skf21("2","1","1","4","5","1","7","1") = "6"
    & skf21("2","1","1","4","5","2","1","1") = "4"
    & skf21("2","1","1","4","5","2","2","1") = "4"
    & skf21("2","1","1","4","5","2","3","1") = "4"
    & skf21("2","1","1","4","5","2","4","1") = "4"
    & skf21("2","1","1","4","5","2","5","1") = "4"
    & skf21("2","1","1","4","5","2","6","1") = "5"
    & skf21("2","1","1","4","5","2","7","1") = "6"
    & skf21("2","1","1","4","5","3","1","1") = "4"
    & skf21("2","1","1","4","5","3","2","1") = "4"
    & skf21("2","1","1","4","5","3","3","1") = "4"
    & skf21("2","1","1","4","5","3","4","1") = "4"
    & skf21("2","1","1","4","5","3","5","1") = "4"
    & skf21("2","1","1","4","5","3","6","1") = "5"
    & skf21("2","1","1","4","5","3","7","1") = "6"
    & skf21("2","1","1","4","5","4","1","1") = "4"
    & skf21("2","1","1","4","5","4","2","1") = "4"
    & skf21("2","1","1","4","5","4","3","1") = "4"
    & skf21("2","1","1","4","5","4","4","1") = "4"
    & skf21("2","1","1","4","5","4","5","1") = "4"
    & skf21("2","1","1","4","5","4","6","1") = "5"
    & skf21("2","1","1","4","5","4","7","1") = "6"
    & skf21("2","1","1","4","5","5","1","1") = "4"
    & skf21("2","1","1","4","5","5","2","1") = "4"
    & skf21("2","1","1","4","5","5","3","1") = "4"
    & skf21("2","1","1","4","5","5","4","1") = "4"
    & skf21("2","1","1","4","5","5","5","1") = "4"
    & skf21("2","1","1","4","5","5","6","1") = "5"
    & skf21("2","1","1","4","5","5","7","1") = "6"
    & skf21("2","1","1","4","5","6","1","1") = "5"
    & skf21("2","1","1","4","5","6","2","1") = "5"
    & skf21("2","1","1","4","5","6","3","1") = "5"
    & skf21("2","1","1","4","5","6","4","1") = "5"
    & skf21("2","1","1","4","5","6","5","1") = "5"
    & skf21("2","1","1","4","5","6","6","1") = "5"
    & skf21("2","1","1","4","5","6","7","1") = "6"
    & skf21("2","1","1","4","5","7","1","1") = "6"
    & skf21("2","1","1","4","5","7","2","1") = "6"
    & skf21("2","1","1","4","5","7","3","1") = "6"
    & skf21("2","1","1","4","5","7","4","1") = "6"
    & skf21("2","1","1","4","5","7","5","1") = "6"
    & skf21("2","1","1","4","5","7","6","1") = "6"
    & skf21("2","1","1","4","5","7","7","1") = "6"
    & skf21("2","1","1","4","6","1","1","1") = "5"
    & skf21("2","1","1","4","6","1","2","1") = "5"
    & skf21("2","1","1","4","6","1","3","1") = "5"
    & skf21("2","1","1","4","6","1","4","1") = "5"
    & skf21("2","1","1","4","6","1","5","1") = "5"
    & skf21("2","1","1","4","6","1","6","1") = "5"
    & skf21("2","1","1","4","6","1","7","1") = "6"
    & skf21("2","1","1","4","6","2","1","1") = "5"
    & skf21("2","1","1","4","6","2","2","1") = "5"
    & skf21("2","1","1","4","6","2","3","1") = "5"
    & skf21("2","1","1","4","6","2","4","1") = "5"
    & skf21("2","1","1","4","6","2","5","1") = "5"
    & skf21("2","1","1","4","6","2","6","1") = "5"
    & skf21("2","1","1","4","6","2","7","1") = "6"
    & skf21("2","1","1","4","6","3","1","1") = "5"
    & skf21("2","1","1","4","6","3","2","1") = "5"
    & skf21("2","1","1","4","6","3","3","1") = "5"
    & skf21("2","1","1","4","6","3","4","1") = "5"
    & skf21("2","1","1","4","6","3","5","1") = "5"
    & skf21("2","1","1","4","6","3","6","1") = "5"
    & skf21("2","1","1","4","6","3","7","1") = "6"
    & skf21("2","1","1","4","6","4","1","1") = "5"
    & skf21("2","1","1","4","6","4","2","1") = "5"
    & skf21("2","1","1","4","6","4","3","1") = "5"
    & skf21("2","1","1","4","6","4","4","1") = "5"
    & skf21("2","1","1","4","6","4","5","1") = "5"
    & skf21("2","1","1","4","6","4","6","1") = "5"
    & skf21("2","1","1","4","6","4","7","1") = "6"
    & skf21("2","1","1","4","6","5","1","1") = "5"
    & skf21("2","1","1","4","6","5","2","1") = "5"
    & skf21("2","1","1","4","6","5","3","1") = "5"
    & skf21("2","1","1","4","6","5","4","1") = "5"
    & skf21("2","1","1","4","6","5","5","1") = "5"
    & skf21("2","1","1","4","6","5","6","1") = "5"
    & skf21("2","1","1","4","6","5","7","1") = "6"
    & skf21("2","1","1","4","6","6","1","1") = "5"
    & skf21("2","1","1","4","6","6","2","1") = "5"
    & skf21("2","1","1","4","6","6","3","1") = "5"
    & skf21("2","1","1","4","6","6","4","1") = "5"
    & skf21("2","1","1","4","6","6","5","1") = "5"
    & skf21("2","1","1","4","6","6","6","1") = "5"
    & skf21("2","1","1","4","6","6","7","1") = "6"
    & skf21("2","1","1","4","6","7","1","1") = "6"
    & skf21("2","1","1","4","6","7","2","1") = "6"
    & skf21("2","1","1","4","6","7","3","1") = "6"
    & skf21("2","1","1","4","6","7","4","1") = "6"
    & skf21("2","1","1","4","6","7","5","1") = "6"
    & skf21("2","1","1","4","6","7","6","1") = "6"
    & skf21("2","1","1","4","6","7","7","1") = "6"
    & skf21("2","1","1","4","7","1","1","1") = "6"
    & skf21("2","1","1","4","7","1","2","1") = "6"
    & skf21("2","1","1","4","7","1","3","1") = "6"
    & skf21("2","1","1","4","7","1","4","1") = "6"
    & skf21("2","1","1","4","7","1","5","1") = "6"
    & skf21("2","1","1","4","7","1","6","1") = "6"
    & skf21("2","1","1","4","7","1","7","1") = "6"
    & skf21("2","1","1","4","7","2","1","1") = "6"
    & skf21("2","1","1","4","7","2","2","1") = "6"
    & skf21("2","1","1","4","7","2","3","1") = "6"
    & skf21("2","1","1","4","7","2","4","1") = "6"
    & skf21("2","1","1","4","7","2","5","1") = "6"
    & skf21("2","1","1","4","7","2","6","1") = "6"
    & skf21("2","1","1","4","7","2","7","1") = "6"
    & skf21("2","1","1","4","7","3","1","1") = "6"
    & skf21("2","1","1","4","7","3","2","1") = "6"
    & skf21("2","1","1","4","7","3","3","1") = "6"
    & skf21("2","1","1","4","7","3","4","1") = "6"
    & skf21("2","1","1","4","7","3","5","1") = "6"
    & skf21("2","1","1","4","7","3","6","1") = "6"
    & skf21("2","1","1","4","7","3","7","1") = "6"
    & skf21("2","1","1","4","7","4","1","1") = "6"
    & skf21("2","1","1","4","7","4","2","1") = "6"
    & skf21("2","1","1","4","7","4","3","1") = "6"
    & skf21("2","1","1","4","7","4","4","1") = "6"
    & skf21("2","1","1","4","7","4","5","1") = "6"
    & skf21("2","1","1","4","7","4","6","1") = "6"
    & skf21("2","1","1","4","7","4","7","1") = "6"
    & skf21("2","1","1","4","7","5","1","1") = "6"
    & skf21("2","1","1","4","7","5","2","1") = "6"
    & skf21("2","1","1","4","7","5","3","1") = "6"
    & skf21("2","1","1","4","7","5","4","1") = "6"
    & skf21("2","1","1","4","7","5","5","1") = "6"
    & skf21("2","1","1","4","7","5","6","1") = "6"
    & skf21("2","1","1","4","7","5","7","1") = "6"
    & skf21("2","1","1","4","7","6","1","1") = "6"
    & skf21("2","1","1","4","7","6","2","1") = "6"
    & skf21("2","1","1","4","7","6","3","1") = "6"
    & skf21("2","1","1","4","7","6","4","1") = "6"
    & skf21("2","1","1","4","7","6","5","1") = "6"
    & skf21("2","1","1","4","7","6","6","1") = "6"
    & skf21("2","1","1","4","7","6","7","1") = "6"
    & skf21("2","1","1","4","7","7","1","1") = "6"
    & skf21("2","1","1","4","7","7","2","1") = "6"
    & skf21("2","1","1","4","7","7","3","1") = "6"
    & skf21("2","1","1","4","7","7","4","1") = "6"
    & skf21("2","1","1","4","7","7","5","1") = "6"
    & skf21("2","1","1","4","7","7","6","1") = "6"
    & skf21("2","1","1","4","7","7","7","1") = "6"
    & skf21("2","1","1","5","1","1","1","1") = "4"
    & skf21("2","1","1","5","1","1","2","1") = "4"
    & skf21("2","1","1","5","1","1","3","1") = "4"
    & skf21("2","1","1","5","1","1","4","1") = "4"
    & skf21("2","1","1","5","1","1","5","1") = "4"
    & skf21("2","1","1","5","1","1","6","1") = "5"
    & skf21("2","1","1","5","1","1","7","1") = "6"
    & skf21("2","1","1","5","1","2","1","1") = "4"
    & skf21("2","1","1","5","1","2","2","1") = "4"
    & skf21("2","1","1","5","1","2","3","1") = "4"
    & skf21("2","1","1","5","1","2","4","1") = "4"
    & skf21("2","1","1","5","1","2","5","1") = "4"
    & skf21("2","1","1","5","1","2","6","1") = "5"
    & skf21("2","1","1","5","1","2","7","1") = "6"
    & skf21("2","1","1","5","1","3","1","1") = "4"
    & skf21("2","1","1","5","1","3","2","1") = "4"
    & skf21("2","1","1","5","1","3","3","1") = "4"
    & skf21("2","1","1","5","1","3","4","1") = "4"
    & skf21("2","1","1","5","1","3","5","1") = "4"
    & skf21("2","1","1","5","1","3","6","1") = "5"
    & skf21("2","1","1","5","1","3","7","1") = "6"
    & skf21("2","1","1","5","1","4","1","1") = "4"
    & skf21("2","1","1","5","1","4","2","1") = "4"
    & skf21("2","1","1","5","1","4","3","1") = "4"
    & skf21("2","1","1","5","1","4","4","1") = "4"
    & skf21("2","1","1","5","1","4","5","1") = "4"
    & skf21("2","1","1","5","1","4","6","1") = "5"
    & skf21("2","1","1","5","1","4","7","1") = "6"
    & skf21("2","1","1","5","1","5","1","1") = "4"
    & skf21("2","1","1","5","1","5","2","1") = "4"
    & skf21("2","1","1","5","1","5","3","1") = "4"
    & skf21("2","1","1","5","1","5","4","1") = "4"
    & skf21("2","1","1","5","1","5","5","1") = "4"
    & skf21("2","1","1","5","1","5","6","1") = "5"
    & skf21("2","1","1","5","1","5","7","1") = "6"
    & skf21("2","1","1","5","1","6","1","1") = "5"
    & skf21("2","1","1","5","1","6","2","1") = "5"
    & skf21("2","1","1","5","1","6","3","1") = "5"
    & skf21("2","1","1","5","1","6","4","1") = "5"
    & skf21("2","1","1","5","1","6","5","1") = "5"
    & skf21("2","1","1","5","1","6","6","1") = "5"
    & skf21("2","1","1","5","1","6","7","1") = "6"
    & skf21("2","1","1","5","1","7","1","1") = "6"
    & skf21("2","1","1","5","1","7","2","1") = "6"
    & skf21("2","1","1","5","1","7","3","1") = "6"
    & skf21("2","1","1","5","1","7","4","1") = "6"
    & skf21("2","1","1","5","1","7","5","1") = "6"
    & skf21("2","1","1","5","1","7","6","1") = "6"
    & skf21("2","1","1","5","1","7","7","1") = "6"
    & skf21("2","1","1","5","2","1","1","1") = "4"
    & skf21("2","1","1","5","2","1","2","1") = "4"
    & skf21("2","1","1","5","2","1","3","1") = "4"
    & skf21("2","1","1","5","2","1","4","1") = "4"
    & skf21("2","1","1","5","2","1","5","1") = "4"
    & skf21("2","1","1","5","2","1","6","1") = "5"
    & skf21("2","1","1","5","2","1","7","1") = "6"
    & skf21("2","1","1","5","2","2","1","1") = "4"
    & skf21("2","1","1","5","2","2","2","1") = "4"
    & skf21("2","1","1","5","2","2","3","1") = "4"
    & skf21("2","1","1","5","2","2","4","1") = "4"
    & skf21("2","1","1","5","2","2","5","1") = "4"
    & skf21("2","1","1","5","2","2","6","1") = "5"
    & skf21("2","1","1","5","2","2","7","1") = "6"
    & skf21("2","1","1","5","2","3","1","1") = "4"
    & skf21("2","1","1","5","2","3","2","1") = "4"
    & skf21("2","1","1","5","2","3","3","1") = "4"
    & skf21("2","1","1","5","2","3","4","1") = "4"
    & skf21("2","1","1","5","2","3","5","1") = "4"
    & skf21("2","1","1","5","2","3","6","1") = "5"
    & skf21("2","1","1","5","2","3","7","1") = "6"
    & skf21("2","1","1","5","2","4","1","1") = "4"
    & skf21("2","1","1","5","2","4","2","1") = "4"
    & skf21("2","1","1","5","2","4","3","1") = "4"
    & skf21("2","1","1","5","2","4","4","1") = "4"
    & skf21("2","1","1","5","2","4","5","1") = "4"
    & skf21("2","1","1","5","2","4","6","1") = "5"
    & skf21("2","1","1","5","2","4","7","1") = "6"
    & skf21("2","1","1","5","2","5","1","1") = "4"
    & skf21("2","1","1","5","2","5","2","1") = "4"
    & skf21("2","1","1","5","2","5","3","1") = "4"
    & skf21("2","1","1","5","2","5","4","1") = "4"
    & skf21("2","1","1","5","2","5","5","1") = "4"
    & skf21("2","1","1","5","2","5","6","1") = "5"
    & skf21("2","1","1","5","2","5","7","1") = "6"
    & skf21("2","1","1","5","2","6","1","1") = "5"
    & skf21("2","1","1","5","2","6","2","1") = "5"
    & skf21("2","1","1","5","2","6","3","1") = "5"
    & skf21("2","1","1","5","2","6","4","1") = "5"
    & skf21("2","1","1","5","2","6","5","1") = "5"
    & skf21("2","1","1","5","2","6","6","1") = "5"
    & skf21("2","1","1","5","2","6","7","1") = "6"
    & skf21("2","1","1","5","2","7","1","1") = "6"
    & skf21("2","1","1","5","2","7","2","1") = "6"
    & skf21("2","1","1","5","2","7","3","1") = "6"
    & skf21("2","1","1","5","2","7","4","1") = "6"
    & skf21("2","1","1","5","2","7","5","1") = "6"
    & skf21("2","1","1","5","2","7","6","1") = "6"
    & skf21("2","1","1","5","2","7","7","1") = "6"
    & skf21("2","1","1","5","3","1","1","1") = "4"
    & skf21("2","1","1","5","3","1","2","1") = "4"
    & skf21("2","1","1","5","3","1","3","1") = "4"
    & skf21("2","1","1","5","3","1","4","1") = "4"
    & skf21("2","1","1","5","3","1","5","1") = "4"
    & skf21("2","1","1","5","3","1","6","1") = "5"
    & skf21("2","1","1","5","3","1","7","1") = "6"
    & skf21("2","1","1","5","3","2","1","1") = "4"
    & skf21("2","1","1","5","3","2","2","1") = "4"
    & skf21("2","1","1","5","3","2","3","1") = "4"
    & skf21("2","1","1","5","3","2","4","1") = "4"
    & skf21("2","1","1","5","3","2","5","1") = "4"
    & skf21("2","1","1","5","3","2","6","1") = "5"
    & skf21("2","1","1","5","3","2","7","1") = "6"
    & skf21("2","1","1","5","3","3","1","1") = "4"
    & skf21("2","1","1","5","3","3","2","1") = "4"
    & skf21("2","1","1","5","3","3","3","1") = "4"
    & skf21("2","1","1","5","3","3","4","1") = "4"
    & skf21("2","1","1","5","3","3","5","1") = "4"
    & skf21("2","1","1","5","3","3","6","1") = "5"
    & skf21("2","1","1","5","3","3","7","1") = "6"
    & skf21("2","1","1","5","3","4","1","1") = "4"
    & skf21("2","1","1","5","3","4","2","1") = "4"
    & skf21("2","1","1","5","3","4","3","1") = "4"
    & skf21("2","1","1","5","3","4","4","1") = "4"
    & skf21("2","1","1","5","3","4","5","1") = "4"
    & skf21("2","1","1","5","3","4","6","1") = "5"
    & skf21("2","1","1","5","3","4","7","1") = "6"
    & skf21("2","1","1","5","3","5","1","1") = "4"
    & skf21("2","1","1","5","3","5","2","1") = "4"
    & skf21("2","1","1","5","3","5","3","1") = "4"
    & skf21("2","1","1","5","3","5","4","1") = "4"
    & skf21("2","1","1","5","3","5","5","1") = "4"
    & skf21("2","1","1","5","3","5","6","1") = "5"
    & skf21("2","1","1","5","3","5","7","1") = "6"
    & skf21("2","1","1","5","3","6","1","1") = "5"
    & skf21("2","1","1","5","3","6","2","1") = "5"
    & skf21("2","1","1","5","3","6","3","1") = "5"
    & skf21("2","1","1","5","3","6","4","1") = "5"
    & skf21("2","1","1","5","3","6","5","1") = "5"
    & skf21("2","1","1","5","3","6","6","1") = "5"
    & skf21("2","1","1","5","3","6","7","1") = "6"
    & skf21("2","1","1","5","3","7","1","1") = "6"
    & skf21("2","1","1","5","3","7","2","1") = "6"
    & skf21("2","1","1","5","3","7","3","1") = "6"
    & skf21("2","1","1","5","3","7","4","1") = "6"
    & skf21("2","1","1","5","3","7","5","1") = "6"
    & skf21("2","1","1","5","3","7","6","1") = "6"
    & skf21("2","1","1","5","3","7","7","1") = "6"
    & skf21("2","1","1","5","4","1","1","1") = "4"
    & skf21("2","1","1","5","4","1","2","1") = "4"
    & skf21("2","1","1","5","4","1","3","1") = "4"
    & skf21("2","1","1","5","4","1","4","1") = "4"
    & skf21("2","1","1","5","4","1","5","1") = "4"
    & skf21("2","1","1","5","4","1","6","1") = "5"
    & skf21("2","1","1","5","4","1","7","1") = "6"
    & skf21("2","1","1","5","4","2","1","1") = "4"
    & skf21("2","1","1","5","4","2","2","1") = "4"
    & skf21("2","1","1","5","4","2","3","1") = "4"
    & skf21("2","1","1","5","4","2","4","1") = "4"
    & skf21("2","1","1","5","4","2","5","1") = "4"
    & skf21("2","1","1","5","4","2","6","1") = "5"
    & skf21("2","1","1","5","4","2","7","1") = "6"
    & skf21("2","1","1","5","4","3","1","1") = "4"
    & skf21("2","1","1","5","4","3","2","1") = "4"
    & skf21("2","1","1","5","4","3","3","1") = "4"
    & skf21("2","1","1","5","4","3","4","1") = "4"
    & skf21("2","1","1","5","4","3","5","1") = "4"
    & skf21("2","1","1","5","4","3","6","1") = "5"
    & skf21("2","1","1","5","4","3","7","1") = "6"
    & skf21("2","1","1","5","4","4","1","1") = "4"
    & skf21("2","1","1","5","4","4","2","1") = "4"
    & skf21("2","1","1","5","4","4","3","1") = "4"
    & skf21("2","1","1","5","4","4","4","1") = "4"
    & skf21("2","1","1","5","4","4","5","1") = "4"
    & skf21("2","1","1","5","4","4","6","1") = "5"
    & skf21("2","1","1","5","4","4","7","1") = "6"
    & skf21("2","1","1","5","4","5","1","1") = "4"
    & skf21("2","1","1","5","4","5","2","1") = "4"
    & skf21("2","1","1","5","4","5","3","1") = "4"
    & skf21("2","1","1","5","4","5","4","1") = "4"
    & skf21("2","1","1","5","4","5","5","1") = "4"
    & skf21("2","1","1","5","4","5","6","1") = "5"
    & skf21("2","1","1","5","4","5","7","1") = "6"
    & skf21("2","1","1","5","4","6","1","1") = "5"
    & skf21("2","1","1","5","4","6","2","1") = "5"
    & skf21("2","1","1","5","4","6","3","1") = "5"
    & skf21("2","1","1","5","4","6","4","1") = "5"
    & skf21("2","1","1","5","4","6","5","1") = "5"
    & skf21("2","1","1","5","4","6","6","1") = "5"
    & skf21("2","1","1","5","4","6","7","1") = "6"
    & skf21("2","1","1","5","4","7","1","1") = "6"
    & skf21("2","1","1","5","4","7","2","1") = "6"
    & skf21("2","1","1","5","4","7","3","1") = "6"
    & skf21("2","1","1","5","4","7","4","1") = "6"
    & skf21("2","1","1","5","4","7","5","1") = "6"
    & skf21("2","1","1","5","4","7","6","1") = "6"
    & skf21("2","1","1","5","4","7","7","1") = "6"
    & skf21("2","1","1","5","5","1","1","1") = "4"
    & skf21("2","1","1","5","5","1","2","1") = "4"
    & skf21("2","1","1","5","5","1","3","1") = "4"
    & skf21("2","1","1","5","5","1","4","1") = "4"
    & skf21("2","1","1","5","5","1","5","1") = "4"
    & skf21("2","1","1","5","5","1","6","1") = "5"
    & skf21("2","1","1","5","5","1","7","1") = "6"
    & skf21("2","1","1","5","5","2","1","1") = "4"
    & skf21("2","1","1","5","5","2","2","1") = "4"
    & skf21("2","1","1","5","5","2","3","1") = "4"
    & skf21("2","1","1","5","5","2","4","1") = "4"
    & skf21("2","1","1","5","5","2","5","1") = "4"
    & skf21("2","1","1","5","5","2","6","1") = "5"
    & skf21("2","1","1","5","5","2","7","1") = "6"
    & skf21("2","1","1","5","5","3","1","1") = "4"
    & skf21("2","1","1","5","5","3","2","1") = "4"
    & skf21("2","1","1","5","5","3","3","1") = "4"
    & skf21("2","1","1","5","5","3","4","1") = "4"
    & skf21("2","1","1","5","5","3","5","1") = "4"
    & skf21("2","1","1","5","5","3","6","1") = "5"
    & skf21("2","1","1","5","5","3","7","1") = "6"
    & skf21("2","1","1","5","5","4","1","1") = "4"
    & skf21("2","1","1","5","5","4","2","1") = "4"
    & skf21("2","1","1","5","5","4","3","1") = "4"
    & skf21("2","1","1","5","5","4","4","1") = "4"
    & skf21("2","1","1","5","5","4","5","1") = "4"
    & skf21("2","1","1","5","5","4","6","1") = "5"
    & skf21("2","1","1","5","5","4","7","1") = "6"
    & skf21("2","1","1","5","5","5","1","1") = "4"
    & skf21("2","1","1","5","5","5","2","1") = "4"
    & skf21("2","1","1","5","5","5","3","1") = "4"
    & skf21("2","1","1","5","5","5","4","1") = "4"
    & skf21("2","1","1","5","5","5","5","1") = "4"
    & skf21("2","1","1","5","5","5","6","1") = "5"
    & skf21("2","1","1","5","5","5","7","1") = "6"
    & skf21("2","1","1","5","5","6","1","1") = "5"
    & skf21("2","1","1","5","5","6","2","1") = "5"
    & skf21("2","1","1","5","5","6","3","1") = "5"
    & skf21("2","1","1","5","5","6","4","1") = "5"
    & skf21("2","1","1","5","5","6","5","1") = "5"
    & skf21("2","1","1","5","5","6","6","1") = "5"
    & skf21("2","1","1","5","5","6","7","1") = "6"
    & skf21("2","1","1","5","5","7","1","1") = "6"
    & skf21("2","1","1","5","5","7","2","1") = "6"
    & skf21("2","1","1","5","5","7","3","1") = "6"
    & skf21("2","1","1","5","5","7","4","1") = "6"
    & skf21("2","1","1","5","5","7","5","1") = "6"
    & skf21("2","1","1","5","5","7","6","1") = "6"
    & skf21("2","1","1","5","5","7","7","1") = "6"
    & skf21("2","1","1","5","6","1","1","1") = "5"
    & skf21("2","1","1","5","6","1","2","1") = "5"
    & skf21("2","1","1","5","6","1","3","1") = "5"
    & skf21("2","1","1","5","6","1","4","1") = "5"
    & skf21("2","1","1","5","6","1","5","1") = "5"
    & skf21("2","1","1","5","6","1","6","1") = "5"
    & skf21("2","1","1","5","6","1","7","1") = "6"
    & skf21("2","1","1","5","6","2","1","1") = "5"
    & skf21("2","1","1","5","6","2","2","1") = "5"
    & skf21("2","1","1","5","6","2","3","1") = "5"
    & skf21("2","1","1","5","6","2","4","1") = "5"
    & skf21("2","1","1","5","6","2","5","1") = "5"
    & skf21("2","1","1","5","6","2","6","1") = "5"
    & skf21("2","1","1","5","6","2","7","1") = "6"
    & skf21("2","1","1","5","6","3","1","1") = "5"
    & skf21("2","1","1","5","6","3","2","1") = "5"
    & skf21("2","1","1","5","6","3","3","1") = "5"
    & skf21("2","1","1","5","6","3","4","1") = "5"
    & skf21("2","1","1","5","6","3","5","1") = "5"
    & skf21("2","1","1","5","6","3","6","1") = "5"
    & skf21("2","1","1","5","6","3","7","1") = "6"
    & skf21("2","1","1","5","6","4","1","1") = "5"
    & skf21("2","1","1","5","6","4","2","1") = "5"
    & skf21("2","1","1","5","6","4","3","1") = "5"
    & skf21("2","1","1","5","6","4","4","1") = "5"
    & skf21("2","1","1","5","6","4","5","1") = "5"
    & skf21("2","1","1","5","6","4","6","1") = "5"
    & skf21("2","1","1","5","6","4","7","1") = "6"
    & skf21("2","1","1","5","6","5","1","1") = "5"
    & skf21("2","1","1","5","6","5","2","1") = "5"
    & skf21("2","1","1","5","6","5","3","1") = "5"
    & skf21("2","1","1","5","6","5","4","1") = "5"
    & skf21("2","1","1","5","6","5","5","1") = "5"
    & skf21("2","1","1","5","6","5","6","1") = "5"
    & skf21("2","1","1","5","6","5","7","1") = "6"
    & skf21("2","1","1","5","6","6","1","1") = "5"
    & skf21("2","1","1","5","6","6","2","1") = "5"
    & skf21("2","1","1","5","6","6","3","1") = "5"
    & skf21("2","1","1","5","6","6","4","1") = "5"
    & skf21("2","1","1","5","6","6","5","1") = "5"
    & skf21("2","1","1","5","6","6","6","1") = "5"
    & skf21("2","1","1","5","6","6","7","1") = "6"
    & skf21("2","1","1","5","6","7","1","1") = "6"
    & skf21("2","1","1","5","6","7","2","1") = "6"
    & skf21("2","1","1","5","6","7","3","1") = "6"
    & skf21("2","1","1","5","6","7","4","1") = "6"
    & skf21("2","1","1","5","6","7","5","1") = "6"
    & skf21("2","1","1","5","6","7","6","1") = "6"
    & skf21("2","1","1","5","6","7","7","1") = "6"
    & skf21("2","1","1","5","7","1","1","1") = "6"
    & skf21("2","1","1","5","7","1","2","1") = "6"
    & skf21("2","1","1","5","7","1","3","1") = "6"
    & skf21("2","1","1","5","7","1","4","1") = "6"
    & skf21("2","1","1","5","7","1","5","1") = "6"
    & skf21("2","1","1","5","7","1","6","1") = "6"
    & skf21("2","1","1","5","7","1","7","1") = "6"
    & skf21("2","1","1","5","7","2","1","1") = "6"
    & skf21("2","1","1","5","7","2","2","1") = "6"
    & skf21("2","1","1","5","7","2","3","1") = "6"
    & skf21("2","1","1","5","7","2","4","1") = "6"
    & skf21("2","1","1","5","7","2","5","1") = "6"
    & skf21("2","1","1","5","7","2","6","1") = "6"
    & skf21("2","1","1","5","7","2","7","1") = "6"
    & skf21("2","1","1","5","7","3","1","1") = "6"
    & skf21("2","1","1","5","7","3","2","1") = "6"
    & skf21("2","1","1","5","7","3","3","1") = "6"
    & skf21("2","1","1","5","7","3","4","1") = "6"
    & skf21("2","1","1","5","7","3","5","1") = "6"
    & skf21("2","1","1","5","7","3","6","1") = "6"
    & skf21("2","1","1","5","7","3","7","1") = "6"
    & skf21("2","1","1","5","7","4","1","1") = "6"
    & skf21("2","1","1","5","7","4","2","1") = "6"
    & skf21("2","1","1","5","7","4","3","1") = "6"
    & skf21("2","1","1","5","7","4","4","1") = "6"
    & skf21("2","1","1","5","7","4","5","1") = "6"
    & skf21("2","1","1","5","7","4","6","1") = "6"
    & skf21("2","1","1","5","7","4","7","1") = "6"
    & skf21("2","1","1","5","7","5","1","1") = "6"
    & skf21("2","1","1","5","7","5","2","1") = "6"
    & skf21("2","1","1","5","7","5","3","1") = "6"
    & skf21("2","1","1","5","7","5","4","1") = "6"
    & skf21("2","1","1","5","7","5","5","1") = "6"
    & skf21("2","1","1","5","7","5","6","1") = "6"
    & skf21("2","1","1","5","7","5","7","1") = "6"
    & skf21("2","1","1","5","7","6","1","1") = "6"
    & skf21("2","1","1","5","7","6","2","1") = "6"
    & skf21("2","1","1","5","7","6","3","1") = "6"
    & skf21("2","1","1","5","7","6","4","1") = "6"
    & skf21("2","1","1","5","7","6","5","1") = "6"
    & skf21("2","1","1","5","7","6","6","1") = "6"
    & skf21("2","1","1","5","7","6","7","1") = "6"
    & skf21("2","1","1","5","7","7","1","1") = "6"
    & skf21("2","1","1","5","7","7","2","1") = "6"
    & skf21("2","1","1","5","7","7","3","1") = "6"
    & skf21("2","1","1","5","7","7","4","1") = "6"
    & skf21("2","1","1","5","7","7","5","1") = "6"
    & skf21("2","1","1","5","7","7","6","1") = "6"
    & skf21("2","1","1","5","7","7","7","1") = "6"
    & skf21("2","1","1","6","1","1","1","1") = "5"
    & skf21("2","1","1","6","1","1","2","1") = "5"
    & skf21("2","1","1","6","1","1","3","1") = "5"
    & skf21("2","1","1","6","1","1","4","1") = "5"
    & skf21("2","1","1","6","1","1","5","1") = "5"
    & skf21("2","1","1","6","1","1","6","1") = "5"
    & skf21("2","1","1","6","1","1","7","1") = "6"
    & skf21("2","1","1","6","1","2","1","1") = "5"
    & skf21("2","1","1","6","1","2","2","1") = "5"
    & skf21("2","1","1","6","1","2","3","1") = "5"
    & skf21("2","1","1","6","1","2","4","1") = "5"
    & skf21("2","1","1","6","1","2","5","1") = "5"
    & skf21("2","1","1","6","1","2","6","1") = "5"
    & skf21("2","1","1","6","1","2","7","1") = "6"
    & skf21("2","1","1","6","1","3","1","1") = "5"
    & skf21("2","1","1","6","1","3","2","1") = "5"
    & skf21("2","1","1","6","1","3","3","1") = "5"
    & skf21("2","1","1","6","1","3","4","1") = "5"
    & skf21("2","1","1","6","1","3","5","1") = "5"
    & skf21("2","1","1","6","1","3","6","1") = "5"
    & skf21("2","1","1","6","1","3","7","1") = "6"
    & skf21("2","1","1","6","1","4","1","1") = "5"
    & skf21("2","1","1","6","1","4","2","1") = "5"
    & skf21("2","1","1","6","1","4","3","1") = "5"
    & skf21("2","1","1","6","1","4","4","1") = "5"
    & skf21("2","1","1","6","1","4","5","1") = "5"
    & skf21("2","1","1","6","1","4","6","1") = "5"
    & skf21("2","1","1","6","1","4","7","1") = "6"
    & skf21("2","1","1","6","1","5","1","1") = "5"
    & skf21("2","1","1","6","1","5","2","1") = "5"
    & skf21("2","1","1","6","1","5","3","1") = "5"
    & skf21("2","1","1","6","1","5","4","1") = "5"
    & skf21("2","1","1","6","1","5","5","1") = "5"
    & skf21("2","1","1","6","1","5","6","1") = "5"
    & skf21("2","1","1","6","1","5","7","1") = "6"
    & skf21("2","1","1","6","1","6","1","1") = "5"
    & skf21("2","1","1","6","1","6","2","1") = "5"
    & skf21("2","1","1","6","1","6","3","1") = "5"
    & skf21("2","1","1","6","1","6","4","1") = "5"
    & skf21("2","1","1","6","1","6","5","1") = "5"
    & skf21("2","1","1","6","1","6","6","1") = "5"
    & skf21("2","1","1","6","1","6","7","1") = "6"
    & skf21("2","1","1","6","1","7","1","1") = "6"
    & skf21("2","1","1","6","1","7","2","1") = "6"
    & skf21("2","1","1","6","1","7","3","1") = "6"
    & skf21("2","1","1","6","1","7","4","1") = "6"
    & skf21("2","1","1","6","1","7","5","1") = "6"
    & skf21("2","1","1","6","1","7","6","1") = "6"
    & skf21("2","1","1","6","1","7","7","1") = "6"
    & skf21("2","1","1","6","2","1","1","1") = "5"
    & skf21("2","1","1","6","2","1","2","1") = "5"
    & skf21("2","1","1","6","2","1","3","1") = "5"
    & skf21("2","1","1","6","2","1","4","1") = "5"
    & skf21("2","1","1","6","2","1","5","1") = "5"
    & skf21("2","1","1","6","2","1","6","1") = "5"
    & skf21("2","1","1","6","2","1","7","1") = "6"
    & skf21("2","1","1","6","2","2","1","1") = "5"
    & skf21("2","1","1","6","2","2","2","1") = "5"
    & skf21("2","1","1","6","2","2","3","1") = "5"
    & skf21("2","1","1","6","2","2","4","1") = "5"
    & skf21("2","1","1","6","2","2","5","1") = "5"
    & skf21("2","1","1","6","2","2","6","1") = "5"
    & skf21("2","1","1","6","2","2","7","1") = "6"
    & skf21("2","1","1","6","2","3","1","1") = "5"
    & skf21("2","1","1","6","2","3","2","1") = "5"
    & skf21("2","1","1","6","2","3","3","1") = "5"
    & skf21("2","1","1","6","2","3","4","1") = "5"
    & skf21("2","1","1","6","2","3","5","1") = "5"
    & skf21("2","1","1","6","2","3","6","1") = "5"
    & skf21("2","1","1","6","2","3","7","1") = "6"
    & skf21("2","1","1","6","2","4","1","1") = "5"
    & skf21("2","1","1","6","2","4","2","1") = "5"
    & skf21("2","1","1","6","2","4","3","1") = "5"
    & skf21("2","1","1","6","2","4","4","1") = "5"
    & skf21("2","1","1","6","2","4","5","1") = "5"
    & skf21("2","1","1","6","2","4","6","1") = "5"
    & skf21("2","1","1","6","2","4","7","1") = "6"
    & skf21("2","1","1","6","2","5","1","1") = "5"
    & skf21("2","1","1","6","2","5","2","1") = "5"
    & skf21("2","1","1","6","2","5","3","1") = "5"
    & skf21("2","1","1","6","2","5","4","1") = "5"
    & skf21("2","1","1","6","2","5","5","1") = "5"
    & skf21("2","1","1","6","2","5","6","1") = "5"
    & skf21("2","1","1","6","2","5","7","1") = "6"
    & skf21("2","1","1","6","2","6","1","1") = "5"
    & skf21("2","1","1","6","2","6","2","1") = "5"
    & skf21("2","1","1","6","2","6","3","1") = "5"
    & skf21("2","1","1","6","2","6","4","1") = "5"
    & skf21("2","1","1","6","2","6","5","1") = "5"
    & skf21("2","1","1","6","2","6","6","1") = "5"
    & skf21("2","1","1","6","2","6","7","1") = "6"
    & skf21("2","1","1","6","2","7","1","1") = "6"
    & skf21("2","1","1","6","2","7","2","1") = "6"
    & skf21("2","1","1","6","2","7","3","1") = "6"
    & skf21("2","1","1","6","2","7","4","1") = "6"
    & skf21("2","1","1","6","2","7","5","1") = "6"
    & skf21("2","1","1","6","2","7","6","1") = "6"
    & skf21("2","1","1","6","2","7","7","1") = "6"
    & skf21("2","1","1","6","3","1","1","1") = "5"
    & skf21("2","1","1","6","3","1","2","1") = "5"
    & skf21("2","1","1","6","3","1","3","1") = "5"
    & skf21("2","1","1","6","3","1","4","1") = "5"
    & skf21("2","1","1","6","3","1","5","1") = "5"
    & skf21("2","1","1","6","3","1","6","1") = "5"
    & skf21("2","1","1","6","3","1","7","1") = "6"
    & skf21("2","1","1","6","3","2","1","1") = "5"
    & skf21("2","1","1","6","3","2","2","1") = "5"
    & skf21("2","1","1","6","3","2","3","1") = "5"
    & skf21("2","1","1","6","3","2","4","1") = "5"
    & skf21("2","1","1","6","3","2","5","1") = "5"
    & skf21("2","1","1","6","3","2","6","1") = "5"
    & skf21("2","1","1","6","3","2","7","1") = "6"
    & skf21("2","1","1","6","3","3","1","1") = "5"
    & skf21("2","1","1","6","3","3","2","1") = "5"
    & skf21("2","1","1","6","3","3","3","1") = "5"
    & skf21("2","1","1","6","3","3","4","1") = "5"
    & skf21("2","1","1","6","3","3","5","1") = "5"
    & skf21("2","1","1","6","3","3","6","1") = "5"
    & skf21("2","1","1","6","3","3","7","1") = "6"
    & skf21("2","1","1","6","3","4","1","1") = "5"
    & skf21("2","1","1","6","3","4","2","1") = "5"
    & skf21("2","1","1","6","3","4","3","1") = "5"
    & skf21("2","1","1","6","3","4","4","1") = "5"
    & skf21("2","1","1","6","3","4","5","1") = "5"
    & skf21("2","1","1","6","3","4","6","1") = "5"
    & skf21("2","1","1","6","3","4","7","1") = "6"
    & skf21("2","1","1","6","3","5","1","1") = "5"
    & skf21("2","1","1","6","3","5","2","1") = "5"
    & skf21("2","1","1","6","3","5","3","1") = "5"
    & skf21("2","1","1","6","3","5","4","1") = "5"
    & skf21("2","1","1","6","3","5","5","1") = "5"
    & skf21("2","1","1","6","3","5","6","1") = "5"
    & skf21("2","1","1","6","3","5","7","1") = "6"
    & skf21("2","1","1","6","3","6","1","1") = "5"
    & skf21("2","1","1","6","3","6","2","1") = "5"
    & skf21("2","1","1","6","3","6","3","1") = "5"
    & skf21("2","1","1","6","3","6","4","1") = "5"
    & skf21("2","1","1","6","3","6","5","1") = "5"
    & skf21("2","1","1","6","3","6","6","1") = "5"
    & skf21("2","1","1","6","3","6","7","1") = "6"
    & skf21("2","1","1","6","3","7","1","1") = "6"
    & skf21("2","1","1","6","3","7","2","1") = "6"
    & skf21("2","1","1","6","3","7","3","1") = "6"
    & skf21("2","1","1","6","3","7","4","1") = "6"
    & skf21("2","1","1","6","3","7","5","1") = "6"
    & skf21("2","1","1","6","3","7","6","1") = "6"
    & skf21("2","1","1","6","3","7","7","1") = "6"
    & skf21("2","1","1","6","4","1","1","1") = "5"
    & skf21("2","1","1","6","4","1","2","1") = "5"
    & skf21("2","1","1","6","4","1","3","1") = "5"
    & skf21("2","1","1","6","4","1","4","1") = "5"
    & skf21("2","1","1","6","4","1","5","1") = "5"
    & skf21("2","1","1","6","4","1","6","1") = "5"
    & skf21("2","1","1","6","4","1","7","1") = "6"
    & skf21("2","1","1","6","4","2","1","1") = "5"
    & skf21("2","1","1","6","4","2","2","1") = "5"
    & skf21("2","1","1","6","4","2","3","1") = "5"
    & skf21("2","1","1","6","4","2","4","1") = "5"
    & skf21("2","1","1","6","4","2","5","1") = "5"
    & skf21("2","1","1","6","4","2","6","1") = "5"
    & skf21("2","1","1","6","4","2","7","1") = "6"
    & skf21("2","1","1","6","4","3","1","1") = "5"
    & skf21("2","1","1","6","4","3","2","1") = "5"
    & skf21("2","1","1","6","4","3","3","1") = "5"
    & skf21("2","1","1","6","4","3","4","1") = "5"
    & skf21("2","1","1","6","4","3","5","1") = "5"
    & skf21("2","1","1","6","4","3","6","1") = "5"
    & skf21("2","1","1","6","4","3","7","1") = "6"
    & skf21("2","1","1","6","4","4","1","1") = "5"
    & skf21("2","1","1","6","4","4","2","1") = "5"
    & skf21("2","1","1","6","4","4","3","1") = "5"
    & skf21("2","1","1","6","4","4","4","1") = "5"
    & skf21("2","1","1","6","4","4","5","1") = "5"
    & skf21("2","1","1","6","4","4","6","1") = "5"
    & skf21("2","1","1","6","4","4","7","1") = "6"
    & skf21("2","1","1","6","4","5","1","1") = "5"
    & skf21("2","1","1","6","4","5","2","1") = "5"
    & skf21("2","1","1","6","4","5","3","1") = "5"
    & skf21("2","1","1","6","4","5","4","1") = "5"
    & skf21("2","1","1","6","4","5","5","1") = "5"
    & skf21("2","1","1","6","4","5","6","1") = "5"
    & skf21("2","1","1","6","4","5","7","1") = "6"
    & skf21("2","1","1","6","4","6","1","1") = "5"
    & skf21("2","1","1","6","4","6","2","1") = "5"
    & skf21("2","1","1","6","4","6","3","1") = "5"
    & skf21("2","1","1","6","4","6","4","1") = "5"
    & skf21("2","1","1","6","4","6","5","1") = "5"
    & skf21("2","1","1","6","4","6","6","1") = "5"
    & skf21("2","1","1","6","4","6","7","1") = "6"
    & skf21("2","1","1","6","4","7","1","1") = "6"
    & skf21("2","1","1","6","4","7","2","1") = "6"
    & skf21("2","1","1","6","4","7","3","1") = "6"
    & skf21("2","1","1","6","4","7","4","1") = "6"
    & skf21("2","1","1","6","4","7","5","1") = "6"
    & skf21("2","1","1","6","4","7","6","1") = "6"
    & skf21("2","1","1","6","4","7","7","1") = "6"
    & skf21("2","1","1","6","5","1","1","1") = "5"
    & skf21("2","1","1","6","5","1","2","1") = "5"
    & skf21("2","1","1","6","5","1","3","1") = "5"
    & skf21("2","1","1","6","5","1","4","1") = "5"
    & skf21("2","1","1","6","5","1","5","1") = "5"
    & skf21("2","1","1","6","5","1","6","1") = "5"
    & skf21("2","1","1","6","5","1","7","1") = "6"
    & skf21("2","1","1","6","5","2","1","1") = "5"
    & skf21("2","1","1","6","5","2","2","1") = "5"
    & skf21("2","1","1","6","5","2","3","1") = "5"
    & skf21("2","1","1","6","5","2","4","1") = "5"
    & skf21("2","1","1","6","5","2","5","1") = "5"
    & skf21("2","1","1","6","5","2","6","1") = "5"
    & skf21("2","1","1","6","5","2","7","1") = "6"
    & skf21("2","1","1","6","5","3","1","1") = "5"
    & skf21("2","1","1","6","5","3","2","1") = "5"
    & skf21("2","1","1","6","5","3","3","1") = "5"
    & skf21("2","1","1","6","5","3","4","1") = "5"
    & skf21("2","1","1","6","5","3","5","1") = "5"
    & skf21("2","1","1","6","5","3","6","1") = "5"
    & skf21("2","1","1","6","5","3","7","1") = "6"
    & skf21("2","1","1","6","5","4","1","1") = "5"
    & skf21("2","1","1","6","5","4","2","1") = "5"
    & skf21("2","1","1","6","5","4","3","1") = "5"
    & skf21("2","1","1","6","5","4","4","1") = "5"
    & skf21("2","1","1","6","5","4","5","1") = "5"
    & skf21("2","1","1","6","5","4","6","1") = "5"
    & skf21("2","1","1","6","5","4","7","1") = "6"
    & skf21("2","1","1","6","5","5","1","1") = "5"
    & skf21("2","1","1","6","5","5","2","1") = "5"
    & skf21("2","1","1","6","5","5","3","1") = "5"
    & skf21("2","1","1","6","5","5","4","1") = "5"
    & skf21("2","1","1","6","5","5","5","1") = "5"
    & skf21("2","1","1","6","5","5","6","1") = "5"
    & skf21("2","1","1","6","5","5","7","1") = "6"
    & skf21("2","1","1","6","5","6","1","1") = "5"
    & skf21("2","1","1","6","5","6","2","1") = "5"
    & skf21("2","1","1","6","5","6","3","1") = "5"
    & skf21("2","1","1","6","5","6","4","1") = "5"
    & skf21("2","1","1","6","5","6","5","1") = "5"
    & skf21("2","1","1","6","5","6","6","1") = "5"
    & skf21("2","1","1","6","5","6","7","1") = "6"
    & skf21("2","1","1","6","5","7","1","1") = "6"
    & skf21("2","1","1","6","5","7","2","1") = "6"
    & skf21("2","1","1","6","5","7","3","1") = "6"
    & skf21("2","1","1","6","5","7","4","1") = "6"
    & skf21("2","1","1","6","5","7","5","1") = "6"
    & skf21("2","1","1","6","5","7","6","1") = "6"
    & skf21("2","1","1","6","5","7","7","1") = "6"
    & skf21("2","1","1","6","6","1","1","1") = "5"
    & skf21("2","1","1","6","6","1","2","1") = "5"
    & skf21("2","1","1","6","6","1","3","1") = "5"
    & skf21("2","1","1","6","6","1","4","1") = "5"
    & skf21("2","1","1","6","6","1","5","1") = "5"
    & skf21("2","1","1","6","6","1","6","1") = "5"
    & skf21("2","1","1","6","6","1","7","1") = "6"
    & skf21("2","1","1","6","6","2","1","1") = "5"
    & skf21("2","1","1","6","6","2","2","1") = "5"
    & skf21("2","1","1","6","6","2","3","1") = "5"
    & skf21("2","1","1","6","6","2","4","1") = "5"
    & skf21("2","1","1","6","6","2","5","1") = "5"
    & skf21("2","1","1","6","6","2","6","1") = "5"
    & skf21("2","1","1","6","6","2","7","1") = "6"
    & skf21("2","1","1","6","6","3","1","1") = "5"
    & skf21("2","1","1","6","6","3","2","1") = "5"
    & skf21("2","1","1","6","6","3","3","1") = "5"
    & skf21("2","1","1","6","6","3","4","1") = "5"
    & skf21("2","1","1","6","6","3","5","1") = "5"
    & skf21("2","1","1","6","6","3","6","1") = "5"
    & skf21("2","1","1","6","6","3","7","1") = "6"
    & skf21("2","1","1","6","6","4","1","1") = "5"
    & skf21("2","1","1","6","6","4","2","1") = "5"
    & skf21("2","1","1","6","6","4","3","1") = "5"
    & skf21("2","1","1","6","6","4","4","1") = "5"
    & skf21("2","1","1","6","6","4","5","1") = "5"
    & skf21("2","1","1","6","6","4","6","1") = "5"
    & skf21("2","1","1","6","6","4","7","1") = "6"
    & skf21("2","1","1","6","6","5","1","1") = "5"
    & skf21("2","1","1","6","6","5","2","1") = "5"
    & skf21("2","1","1","6","6","5","3","1") = "5"
    & skf21("2","1","1","6","6","5","4","1") = "5"
    & skf21("2","1","1","6","6","5","5","1") = "5"
    & skf21("2","1","1","6","6","5","6","1") = "5"
    & skf21("2","1","1","6","6","5","7","1") = "6"
    & skf21("2","1","1","6","6","6","1","1") = "5"
    & skf21("2","1","1","6","6","6","2","1") = "5"
    & skf21("2","1","1","6","6","6","3","1") = "5"
    & skf21("2","1","1","6","6","6","4","1") = "5"
    & skf21("2","1","1","6","6","6","5","1") = "5"
    & skf21("2","1","1","6","6","6","6","1") = "5"
    & skf21("2","1","1","6","6","6","7","1") = "6"
    & skf21("2","1","1","6","6","7","1","1") = "6"
    & skf21("2","1","1","6","6","7","2","1") = "6"
    & skf21("2","1","1","6","6","7","3","1") = "6"
    & skf21("2","1","1","6","6","7","4","1") = "6"
    & skf21("2","1","1","6","6","7","5","1") = "6"
    & skf21("2","1","1","6","6","7","6","1") = "6"
    & skf21("2","1","1","6","6","7","7","1") = "6"
    & skf21("2","1","1","6","7","1","1","1") = "6"
    & skf21("2","1","1","6","7","1","2","1") = "6"
    & skf21("2","1","1","6","7","1","3","1") = "6"
    & skf21("2","1","1","6","7","1","4","1") = "6"
    & skf21("2","1","1","6","7","1","5","1") = "6"
    & skf21("2","1","1","6","7","1","6","1") = "6"
    & skf21("2","1","1","6","7","1","7","1") = "6"
    & skf21("2","1","1","6","7","2","1","1") = "6"
    & skf21("2","1","1","6","7","2","2","1") = "6"
    & skf21("2","1","1","6","7","2","3","1") = "6"
    & skf21("2","1","1","6","7","2","4","1") = "6"
    & skf21("2","1","1","6","7","2","5","1") = "6"
    & skf21("2","1","1","6","7","2","6","1") = "6"
    & skf21("2","1","1","6","7","2","7","1") = "6"
    & skf21("2","1","1","6","7","3","1","1") = "6"
    & skf21("2","1","1","6","7","3","2","1") = "6"
    & skf21("2","1","1","6","7","3","3","1") = "6"
    & skf21("2","1","1","6","7","3","4","1") = "6"
    & skf21("2","1","1","6","7","3","5","1") = "6"
    & skf21("2","1","1","6","7","3","6","1") = "6"
    & skf21("2","1","1","6","7","3","7","1") = "6"
    & skf21("2","1","1","6","7","4","1","1") = "6"
    & skf21("2","1","1","6","7","4","2","1") = "6"
    & skf21("2","1","1","6","7","4","3","1") = "6"
    & skf21("2","1","1","6","7","4","4","1") = "6"
    & skf21("2","1","1","6","7","4","5","1") = "6"
    & skf21("2","1","1","6","7","4","6","1") = "6"
    & skf21("2","1","1","6","7","4","7","1") = "6"
    & skf21("2","1","1","6","7","5","1","1") = "6"
    & skf21("2","1","1","6","7","5","2","1") = "6"
    & skf21("2","1","1","6","7","5","3","1") = "6"
    & skf21("2","1","1","6","7","5","4","1") = "6"
    & skf21("2","1","1","6","7","5","5","1") = "6"
    & skf21("2","1","1","6","7","5","6","1") = "6"
    & skf21("2","1","1","6","7","5","7","1") = "6"
    & skf21("2","1","1","6","7","6","1","1") = "6"
    & skf21("2","1","1","6","7","6","2","1") = "6"
    & skf21("2","1","1","6","7","6","3","1") = "6"
    & skf21("2","1","1","6","7","6","4","1") = "6"
    & skf21("2","1","1","6","7","6","5","1") = "6"
    & skf21("2","1","1","6","7","6","6","1") = "6"
    & skf21("2","1","1","6","7","6","7","1") = "6"
    & skf21("2","1","1","6","7","7","1","1") = "6"
    & skf21("2","1","1","6","7","7","2","1") = "6"
    & skf21("2","1","1","6","7","7","3","1") = "6"
    & skf21("2","1","1","6","7","7","4","1") = "6"
    & skf21("2","1","1","6","7","7","5","1") = "6"
    & skf21("2","1","1","6","7","7","6","1") = "6"
    & skf21("2","1","1","6","7","7","7","1") = "6"
    & skf21("2","1","1","7","1","1","1","1") = "6"
    & skf21("2","1","1","7","1","1","2","1") = "6"
    & skf21("2","1","1","7","1","1","3","1") = "6"
    & skf21("2","1","1","7","1","1","4","1") = "6"
    & skf21("2","1","1","7","1","1","5","1") = "6"
    & skf21("2","1","1","7","1","1","6","1") = "6"
    & skf21("2","1","1","7","1","1","7","1") = "6"
    & skf21("2","1","1","7","1","2","1","1") = "6"
    & skf21("2","1","1","7","1","2","2","1") = "6"
    & skf21("2","1","1","7","1","2","3","1") = "6"
    & skf21("2","1","1","7","1","2","4","1") = "6"
    & skf21("2","1","1","7","1","2","5","1") = "6"
    & skf21("2","1","1","7","1","2","6","1") = "6"
    & skf21("2","1","1","7","1","2","7","1") = "6"
    & skf21("2","1","1","7","1","3","1","1") = "6"
    & skf21("2","1","1","7","1","3","2","1") = "6"
    & skf21("2","1","1","7","1","3","3","1") = "6"
    & skf21("2","1","1","7","1","3","4","1") = "6"
    & skf21("2","1","1","7","1","3","5","1") = "6"
    & skf21("2","1","1","7","1","3","6","1") = "6"
    & skf21("2","1","1","7","1","3","7","1") = "6"
    & skf21("2","1","1","7","1","4","1","1") = "6"
    & skf21("2","1","1","7","1","4","2","1") = "6"
    & skf21("2","1","1","7","1","4","3","1") = "6"
    & skf21("2","1","1","7","1","4","4","1") = "6"
    & skf21("2","1","1","7","1","4","5","1") = "6"
    & skf21("2","1","1","7","1","4","6","1") = "6"
    & skf21("2","1","1","7","1","4","7","1") = "6"
    & skf21("2","1","1","7","1","5","1","1") = "6"
    & skf21("2","1","1","7","1","5","2","1") = "6"
    & skf21("2","1","1","7","1","5","3","1") = "6"
    & skf21("2","1","1","7","1","5","4","1") = "6"
    & skf21("2","1","1","7","1","5","5","1") = "6"
    & skf21("2","1","1","7","1","5","6","1") = "6"
    & skf21("2","1","1","7","1","5","7","1") = "6"
    & skf21("2","1","1","7","1","6","1","1") = "6"
    & skf21("2","1","1","7","1","6","2","1") = "6"
    & skf21("2","1","1","7","1","6","3","1") = "6"
    & skf21("2","1","1","7","1","6","4","1") = "6"
    & skf21("2","1","1","7","1","6","5","1") = "6"
    & skf21("2","1","1","7","1","6","6","1") = "6"
    & skf21("2","1","1","7","1","6","7","1") = "6"
    & skf21("2","1","1","7","1","7","1","1") = "6"
    & skf21("2","1","1","7","1","7","2","1") = "6"
    & skf21("2","1","1","7","1","7","3","1") = "6"
    & skf21("2","1","1","7","1","7","4","1") = "6"
    & skf21("2","1","1","7","1","7","5","1") = "6"
    & skf21("2","1","1","7","1","7","6","1") = "6"
    & skf21("2","1","1","7","1","7","7","1") = "6"
    & skf21("2","1","1","7","2","1","1","1") = "6"
    & skf21("2","1","1","7","2","1","2","1") = "6"
    & skf21("2","1","1","7","2","1","3","1") = "6"
    & skf21("2","1","1","7","2","1","4","1") = "6"
    & skf21("2","1","1","7","2","1","5","1") = "6"
    & skf21("2","1","1","7","2","1","6","1") = "6"
    & skf21("2","1","1","7","2","1","7","1") = "6"
    & skf21("2","1","1","7","2","2","1","1") = "6"
    & skf21("2","1","1","7","2","2","2","1") = "6"
    & skf21("2","1","1","7","2","2","3","1") = "6"
    & skf21("2","1","1","7","2","2","4","1") = "6"
    & skf21("2","1","1","7","2","2","5","1") = "6"
    & skf21("2","1","1","7","2","2","6","1") = "6"
    & skf21("2","1","1","7","2","2","7","1") = "6"
    & skf21("2","1","1","7","2","3","1","1") = "6"
    & skf21("2","1","1","7","2","3","2","1") = "6"
    & skf21("2","1","1","7","2","3","3","1") = "6"
    & skf21("2","1","1","7","2","3","4","1") = "6"
    & skf21("2","1","1","7","2","3","5","1") = "6"
    & skf21("2","1","1","7","2","3","6","1") = "6"
    & skf21("2","1","1","7","2","3","7","1") = "6"
    & skf21("2","1","1","7","2","4","1","1") = "6"
    & skf21("2","1","1","7","2","4","2","1") = "6"
    & skf21("2","1","1","7","2","4","3","1") = "6"
    & skf21("2","1","1","7","2","4","4","1") = "6"
    & skf21("2","1","1","7","2","4","5","1") = "6"
    & skf21("2","1","1","7","2","4","6","1") = "6"
    & skf21("2","1","1","7","2","4","7","1") = "6"
    & skf21("2","1","1","7","2","5","1","1") = "6"
    & skf21("2","1","1","7","2","5","2","1") = "6"
    & skf21("2","1","1","7","2","5","3","1") = "6"
    & skf21("2","1","1","7","2","5","4","1") = "6"
    & skf21("2","1","1","7","2","5","5","1") = "6"
    & skf21("2","1","1","7","2","5","6","1") = "6"
    & skf21("2","1","1","7","2","5","7","1") = "6"
    & skf21("2","1","1","7","2","6","1","1") = "6"
    & skf21("2","1","1","7","2","6","2","1") = "6"
    & skf21("2","1","1","7","2","6","3","1") = "6"
    & skf21("2","1","1","7","2","6","4","1") = "6"
    & skf21("2","1","1","7","2","6","5","1") = "6"
    & skf21("2","1","1","7","2","6","6","1") = "6"
    & skf21("2","1","1","7","2","6","7","1") = "6"
    & skf21("2","1","1","7","2","7","1","1") = "6"
    & skf21("2","1","1","7","2","7","2","1") = "6"
    & skf21("2","1","1","7","2","7","3","1") = "6"
    & skf21("2","1","1","7","2","7","4","1") = "6"
    & skf21("2","1","1","7","2","7","5","1") = "6"
    & skf21("2","1","1","7","2","7","6","1") = "6"
    & skf21("2","1","1","7","2","7","7","1") = "6"
    & skf21("2","1","1","7","3","1","1","1") = "6"
    & skf21("2","1","1","7","3","1","2","1") = "6"
    & skf21("2","1","1","7","3","1","3","1") = "6"
    & skf21("2","1","1","7","3","1","4","1") = "6"
    & skf21("2","1","1","7","3","1","5","1") = "6"
    & skf21("2","1","1","7","3","1","6","1") = "6"
    & skf21("2","1","1","7","3","1","7","1") = "6"
    & skf21("2","1","1","7","3","2","1","1") = "6"
    & skf21("2","1","1","7","3","2","2","1") = "6"
    & skf21("2","1","1","7","3","2","3","1") = "6"
    & skf21("2","1","1","7","3","2","4","1") = "6"
    & skf21("2","1","1","7","3","2","5","1") = "6"
    & skf21("2","1","1","7","3","2","6","1") = "6"
    & skf21("2","1","1","7","3","2","7","1") = "6"
    & skf21("2","1","1","7","3","3","1","1") = "6"
    & skf21("2","1","1","7","3","3","2","1") = "6"
    & skf21("2","1","1","7","3","3","3","1") = "6"
    & skf21("2","1","1","7","3","3","4","1") = "6"
    & skf21("2","1","1","7","3","3","5","1") = "6"
    & skf21("2","1","1","7","3","3","6","1") = "6"
    & skf21("2","1","1","7","3","3","7","1") = "6"
    & skf21("2","1","1","7","3","4","1","1") = "6"
    & skf21("2","1","1","7","3","4","2","1") = "6"
    & skf21("2","1","1","7","3","4","3","1") = "6"
    & skf21("2","1","1","7","3","4","4","1") = "6"
    & skf21("2","1","1","7","3","4","5","1") = "6"
    & skf21("2","1","1","7","3","4","6","1") = "6"
    & skf21("2","1","1","7","3","4","7","1") = "6"
    & skf21("2","1","1","7","3","5","1","1") = "6"
    & skf21("2","1","1","7","3","5","2","1") = "6"
    & skf21("2","1","1","7","3","5","3","1") = "6"
    & skf21("2","1","1","7","3","5","4","1") = "6"
    & skf21("2","1","1","7","3","5","5","1") = "6"
    & skf21("2","1","1","7","3","5","6","1") = "6"
    & skf21("2","1","1","7","3","5","7","1") = "6"
    & skf21("2","1","1","7","3","6","1","1") = "6"
    & skf21("2","1","1","7","3","6","2","1") = "6"
    & skf21("2","1","1","7","3","6","3","1") = "6"
    & skf21("2","1","1","7","3","6","4","1") = "6"
    & skf21("2","1","1","7","3","6","5","1") = "6"
    & skf21("2","1","1","7","3","6","6","1") = "6"
    & skf21("2","1","1","7","3","6","7","1") = "6"
    & skf21("2","1","1","7","3","7","1","1") = "6"
    & skf21("2","1","1","7","3","7","2","1") = "6"
    & skf21("2","1","1","7","3","7","3","1") = "6"
    & skf21("2","1","1","7","3","7","4","1") = "6"
    & skf21("2","1","1","7","3","7","5","1") = "6"
    & skf21("2","1","1","7","3","7","6","1") = "6"
    & skf21("2","1","1","7","3","7","7","1") = "6"
    & skf21("2","1","1","7","4","1","1","1") = "6"
    & skf21("2","1","1","7","4","1","2","1") = "6"
    & skf21("2","1","1","7","4","1","3","1") = "6"
    & skf21("2","1","1","7","4","1","4","1") = "6"
    & skf21("2","1","1","7","4","1","5","1") = "6"
    & skf21("2","1","1","7","4","1","6","1") = "6"
    & skf21("2","1","1","7","4","1","7","1") = "6"
    & skf21("2","1","1","7","4","2","1","1") = "6"
    & skf21("2","1","1","7","4","2","2","1") = "6"
    & skf21("2","1","1","7","4","2","3","1") = "6"
    & skf21("2","1","1","7","4","2","4","1") = "6"
    & skf21("2","1","1","7","4","2","5","1") = "6"
    & skf21("2","1","1","7","4","2","6","1") = "6"
    & skf21("2","1","1","7","4","2","7","1") = "6"
    & skf21("2","1","1","7","4","3","1","1") = "6"
    & skf21("2","1","1","7","4","3","2","1") = "6"
    & skf21("2","1","1","7","4","3","3","1") = "6"
    & skf21("2","1","1","7","4","3","4","1") = "6"
    & skf21("2","1","1","7","4","3","5","1") = "6"
    & skf21("2","1","1","7","4","3","6","1") = "6"
    & skf21("2","1","1","7","4","3","7","1") = "6"
    & skf21("2","1","1","7","4","4","1","1") = "6"
    & skf21("2","1","1","7","4","4","2","1") = "6"
    & skf21("2","1","1","7","4","4","3","1") = "6"
    & skf21("2","1","1","7","4","4","4","1") = "6"
    & skf21("2","1","1","7","4","4","5","1") = "6"
    & skf21("2","1","1","7","4","4","6","1") = "6"
    & skf21("2","1","1","7","4","4","7","1") = "6"
    & skf21("2","1","1","7","4","5","1","1") = "6"
    & skf21("2","1","1","7","4","5","2","1") = "6"
    & skf21("2","1","1","7","4","5","3","1") = "6"
    & skf21("2","1","1","7","4","5","4","1") = "6"
    & skf21("2","1","1","7","4","5","5","1") = "6"
    & skf21("2","1","1","7","4","5","6","1") = "6"
    & skf21("2","1","1","7","4","5","7","1") = "6"
    & skf21("2","1","1","7","4","6","1","1") = "6"
    & skf21("2","1","1","7","4","6","2","1") = "6"
    & skf21("2","1","1","7","4","6","3","1") = "6"
    & skf21("2","1","1","7","4","6","4","1") = "6"
    & skf21("2","1","1","7","4","6","5","1") = "6"
    & skf21("2","1","1","7","4","6","6","1") = "6"
    & skf21("2","1","1","7","4","6","7","1") = "6"
    & skf21("2","1","1","7","4","7","1","1") = "6"
    & skf21("2","1","1","7","4","7","2","1") = "6"
    & skf21("2","1","1","7","4","7","3","1") = "6"
    & skf21("2","1","1","7","4","7","4","1") = "6"
    & skf21("2","1","1","7","4","7","5","1") = "6"
    & skf21("2","1","1","7","4","7","6","1") = "6"
    & skf21("2","1","1","7","4","7","7","1") = "6"
    & skf21("2","1","1","7","5","1","1","1") = "6"
    & skf21("2","1","1","7","5","1","2","1") = "6"
    & skf21("2","1","1","7","5","1","3","1") = "6"
    & skf21("2","1","1","7","5","1","4","1") = "6"
    & skf21("2","1","1","7","5","1","5","1") = "6"
    & skf21("2","1","1","7","5","1","6","1") = "6"
    & skf21("2","1","1","7","5","1","7","1") = "6"
    & skf21("2","1","1","7","5","2","1","1") = "6"
    & skf21("2","1","1","7","5","2","2","1") = "6"
    & skf21("2","1","1","7","5","2","3","1") = "6"
    & skf21("2","1","1","7","5","2","4","1") = "6"
    & skf21("2","1","1","7","5","2","5","1") = "6"
    & skf21("2","1","1","7","5","2","6","1") = "6"
    & skf21("2","1","1","7","5","2","7","1") = "6"
    & skf21("2","1","1","7","5","3","1","1") = "6"
    & skf21("2","1","1","7","5","3","2","1") = "6"
    & skf21("2","1","1","7","5","3","3","1") = "6"
    & skf21("2","1","1","7","5","3","4","1") = "6"
    & skf21("2","1","1","7","5","3","5","1") = "6"
    & skf21("2","1","1","7","5","3","6","1") = "6"
    & skf21("2","1","1","7","5","3","7","1") = "6"
    & skf21("2","1","1","7","5","4","1","1") = "6"
    & skf21("2","1","1","7","5","4","2","1") = "6"
    & skf21("2","1","1","7","5","4","3","1") = "6"
    & skf21("2","1","1","7","5","4","4","1") = "6"
    & skf21("2","1","1","7","5","4","5","1") = "6"
    & skf21("2","1","1","7","5","4","6","1") = "6"
    & skf21("2","1","1","7","5","4","7","1") = "6"
    & skf21("2","1","1","7","5","5","1","1") = "6"
    & skf21("2","1","1","7","5","5","2","1") = "6"
    & skf21("2","1","1","7","5","5","3","1") = "6"
    & skf21("2","1","1","7","5","5","4","1") = "6"
    & skf21("2","1","1","7","5","5","5","1") = "6"
    & skf21("2","1","1","7","5","5","6","1") = "6"
    & skf21("2","1","1","7","5","5","7","1") = "6"
    & skf21("2","1","1","7","5","6","1","1") = "6"
    & skf21("2","1","1","7","5","6","2","1") = "6"
    & skf21("2","1","1","7","5","6","3","1") = "6"
    & skf21("2","1","1","7","5","6","4","1") = "6"
    & skf21("2","1","1","7","5","6","5","1") = "6"
    & skf21("2","1","1","7","5","6","6","1") = "6"
    & skf21("2","1","1","7","5","6","7","1") = "6"
    & skf21("2","1","1","7","5","7","1","1") = "6"
    & skf21("2","1","1","7","5","7","2","1") = "6"
    & skf21("2","1","1","7","5","7","3","1") = "6"
    & skf21("2","1","1","7","5","7","4","1") = "6"
    & skf21("2","1","1","7","5","7","5","1") = "6"
    & skf21("2","1","1","7","5","7","6","1") = "6"
    & skf21("2","1","1","7","5","7","7","1") = "6"
    & skf21("2","1","1","7","6","1","1","1") = "6"
    & skf21("2","1","1","7","6","1","2","1") = "6"
    & skf21("2","1","1","7","6","1","3","1") = "6"
    & skf21("2","1","1","7","6","1","4","1") = "6"
    & skf21("2","1","1","7","6","1","5","1") = "6"
    & skf21("2","1","1","7","6","1","6","1") = "6"
    & skf21("2","1","1","7","6","1","7","1") = "6"
    & skf21("2","1","1","7","6","2","1","1") = "6"
    & skf21("2","1","1","7","6","2","2","1") = "6"
    & skf21("2","1","1","7","6","2","3","1") = "6"
    & skf21("2","1","1","7","6","2","4","1") = "6"
    & skf21("2","1","1","7","6","2","5","1") = "6"
    & skf21("2","1","1","7","6","2","6","1") = "6"
    & skf21("2","1","1","7","6","2","7","1") = "6"
    & skf21("2","1","1","7","6","3","1","1") = "6"
    & skf21("2","1","1","7","6","3","2","1") = "6"
    & skf21("2","1","1","7","6","3","3","1") = "6"
    & skf21("2","1","1","7","6","3","4","1") = "6"
    & skf21("2","1","1","7","6","3","5","1") = "6"
    & skf21("2","1","1","7","6","3","6","1") = "6"
    & skf21("2","1","1","7","6","3","7","1") = "6"
    & skf21("2","1","1","7","6","4","1","1") = "6"
    & skf21("2","1","1","7","6","4","2","1") = "6"
    & skf21("2","1","1","7","6","4","3","1") = "6"
    & skf21("2","1","1","7","6","4","4","1") = "6"
    & skf21("2","1","1","7","6","4","5","1") = "6"
    & skf21("2","1","1","7","6","4","6","1") = "6"
    & skf21("2","1","1","7","6","4","7","1") = "6"
    & skf21("2","1","1","7","6","5","1","1") = "6"
    & skf21("2","1","1","7","6","5","2","1") = "6"
    & skf21("2","1","1","7","6","5","3","1") = "6"
    & skf21("2","1","1","7","6","5","4","1") = "6"
    & skf21("2","1","1","7","6","5","5","1") = "6"
    & skf21("2","1","1","7","6","5","6","1") = "6"
    & skf21("2","1","1","7","6","5","7","1") = "6"
    & skf21("2","1","1","7","6","6","1","1") = "6"
    & skf21("2","1","1","7","6","6","2","1") = "6"
    & skf21("2","1","1","7","6","6","3","1") = "6"
    & skf21("2","1","1","7","6","6","4","1") = "6"
    & skf21("2","1","1","7","6","6","5","1") = "6"
    & skf21("2","1","1","7","6","6","6","1") = "6"
    & skf21("2","1","1","7","6","6","7","1") = "6"
    & skf21("2","1","1","7","6","7","1","1") = "6"
    & skf21("2","1","1","7","6","7","2","1") = "6"
    & skf21("2","1","1","7","6","7","3","1") = "6"
    & skf21("2","1","1","7","6","7","4","1") = "6"
    & skf21("2","1","1","7","6","7","5","1") = "6"
    & skf21("2","1","1","7","6","7","6","1") = "6"
    & skf21("2","1","1","7","6","7","7","1") = "6"
    & skf21("2","1","1","7","7","1","1","1") = "6"
    & skf21("2","1","1","7","7","1","2","1") = "6"
    & skf21("2","1","1","7","7","1","3","1") = "6"
    & skf21("2","1","1","7","7","1","4","1") = "6"
    & skf21("2","1","1","7","7","1","5","1") = "6"
    & skf21("2","1","1","7","7","1","6","1") = "6"
    & skf21("2","1","1","7","7","1","7","1") = "6"
    & skf21("2","1","1","7","7","2","1","1") = "6"
    & skf21("2","1","1","7","7","2","2","1") = "6"
    & skf21("2","1","1","7","7","2","3","1") = "6"
    & skf21("2","1","1","7","7","2","4","1") = "6"
    & skf21("2","1","1","7","7","2","5","1") = "6"
    & skf21("2","1","1","7","7","2","6","1") = "6"
    & skf21("2","1","1","7","7","2","7","1") = "6"
    & skf21("2","1","1","7","7","3","1","1") = "6"
    & skf21("2","1","1","7","7","3","2","1") = "6"
    & skf21("2","1","1","7","7","3","3","1") = "6"
    & skf21("2","1","1","7","7","3","4","1") = "6"
    & skf21("2","1","1","7","7","3","5","1") = "6"
    & skf21("2","1","1","7","7","3","6","1") = "6"
    & skf21("2","1","1","7","7","3","7","1") = "6"
    & skf21("2","1","1","7","7","4","1","1") = "6"
    & skf21("2","1","1","7","7","4","2","1") = "6"
    & skf21("2","1","1","7","7","4","3","1") = "6"
    & skf21("2","1","1","7","7","4","4","1") = "6"
    & skf21("2","1","1","7","7","4","5","1") = "6"
    & skf21("2","1","1","7","7","4","6","1") = "6"
    & skf21("2","1","1","7","7","4","7","1") = "6"
    & skf21("2","1","1","7","7","5","1","1") = "6"
    & skf21("2","1","1","7","7","5","2","1") = "6"
    & skf21("2","1","1","7","7","5","3","1") = "6"
    & skf21("2","1","1","7","7","5","4","1") = "6"
    & skf21("2","1","1","7","7","5","5","1") = "6"
    & skf21("2","1","1","7","7","5","6","1") = "6"
    & skf21("2","1","1","7","7","5","7","1") = "6"
    & skf21("2","1","1","7","7","6","1","1") = "6"
    & skf21("2","1","1","7","7","6","2","1") = "6"
    & skf21("2","1","1","7","7","6","3","1") = "6"
    & skf21("2","1","1","7","7","6","4","1") = "6"
    & skf21("2","1","1","7","7","6","5","1") = "6"
    & skf21("2","1","1","7","7","6","6","1") = "6"
    & skf21("2","1","1","7","7","6","7","1") = "6"
    & skf21("2","1","1","7","7","7","1","1") = "6"
    & skf21("2","1","1","7","7","7","2","1") = "6"
    & skf21("2","1","1","7","7","7","3","1") = "6"
    & skf21("2","1","1","7","7","7","4","1") = "6"
    & skf21("2","1","1","7","7","7","5","1") = "6"
    & skf21("2","1","1","7","7","7","6","1") = "6"
    & skf21("2","1","1","7","7","7","7","1") = "6"
    & skf21("2","1","2","1","1","1","1","1") = "1"
    & skf21("2","1","2","1","1","1","2","1") = "1"
    & skf21("2","1","2","1","1","1","3","1") = "2"
    & skf21("2","1","2","1","1","1","4","1") = "3"
    & skf21("2","1","2","1","1","1","5","1") = "4"
    & skf21("2","1","2","1","1","1","6","1") = "5"
    & skf21("2","1","2","1","1","1","7","1") = "6"
    & skf21("2","1","2","1","1","2","1","1") = "1"
    & skf21("2","1","2","1","1","2","2","1") = "1"
    & skf21("2","1","2","1","1","2","3","1") = "2"
    & skf21("2","1","2","1","1","2","4","1") = "3"
    & skf21("2","1","2","1","1","2","5","1") = "4"
    & skf21("2","1","2","1","1","2","6","1") = "5"
    & skf21("2","1","2","1","1","2","7","1") = "6"
    & skf21("2","1","2","1","1","3","1","1") = "2"
    & skf21("2","1","2","1","1","3","2","1") = "2"
    & skf21("2","1","2","1","1","3","3","1") = "2"
    & skf21("2","1","2","1","1","3","4","1") = "3"
    & skf21("2","1","2","1","1","3","5","1") = "4"
    & skf21("2","1","2","1","1","3","6","1") = "5"
    & skf21("2","1","2","1","1","3","7","1") = "6"
    & skf21("2","1","2","1","1","4","1","1") = "3"
    & skf21("2","1","2","1","1","4","2","1") = "3"
    & skf21("2","1","2","1","1","4","3","1") = "3"
    & skf21("2","1","2","1","1","4","4","1") = "3"
    & skf21("2","1","2","1","1","4","5","1") = "4"
    & skf21("2","1","2","1","1","4","6","1") = "5"
    & skf21("2","1","2","1","1","4","7","1") = "6"
    & skf21("2","1","2","1","1","5","1","1") = "4"
    & skf21("2","1","2","1","1","5","2","1") = "4"
    & skf21("2","1","2","1","1","5","3","1") = "4"
    & skf21("2","1","2","1","1","5","4","1") = "4"
    & skf21("2","1","2","1","1","5","5","1") = "4"
    & skf21("2","1","2","1","1","5","6","1") = "5"
    & skf21("2","1","2","1","1","5","7","1") = "6"
    & skf21("2","1","2","1","1","6","1","1") = "5"
    & skf21("2","1","2","1","1","6","2","1") = "5"
    & skf21("2","1","2","1","1","6","3","1") = "5"
    & skf21("2","1","2","1","1","6","4","1") = "5"
    & skf21("2","1","2","1","1","6","5","1") = "5"
    & skf21("2","1","2","1","1","6","6","1") = "5"
    & skf21("2","1","2","1","1","6","7","1") = "6"
    & skf21("2","1","2","1","1","7","1","1") = "6"
    & skf21("2","1","2","1","1","7","2","1") = "6"
    & skf21("2","1","2","1","1","7","3","1") = "6"
    & skf21("2","1","2","1","1","7","4","1") = "6"
    & skf21("2","1","2","1","1","7","5","1") = "6"
    & skf21("2","1","2","1","1","7","6","1") = "6"
    & skf21("2","1","2","1","1","7","7","1") = "6"
    & skf21("2","1","2","1","2","1","1","1") = "1"
    & skf21("2","1","2","1","2","1","2","1") = "1"
    & skf21("2","1","2","1","2","1","3","1") = "2"
    & skf21("2","1","2","1","2","1","4","1") = "3"
    & skf21("2","1","2","1","2","1","5","1") = "4"
    & skf21("2","1","2","1","2","1","6","1") = "5"
    & skf21("2","1","2","1","2","1","7","1") = "6"
    & skf21("2","1","2","1","2","2","1","1") = "1"
    & skf21("2","1","2","1","2","2","2","1") = "1"
    & skf21("2","1","2","1","2","2","3","1") = "2"
    & skf21("2","1","2","1","2","2","4","1") = "3"
    & skf21("2","1","2","1","2","2","5","1") = "4"
    & skf21("2","1","2","1","2","2","6","1") = "5"
    & skf21("2","1","2","1","2","2","7","1") = "6"
    & skf21("2","1","2","1","2","3","1","1") = "2"
    & skf21("2","1","2","1","2","3","2","1") = "2"
    & skf21("2","1","2","1","2","3","3","1") = "2"
    & skf21("2","1","2","1","2","3","4","1") = "3"
    & skf21("2","1","2","1","2","3","5","1") = "4"
    & skf21("2","1","2","1","2","3","6","1") = "5"
    & skf21("2","1","2","1","2","3","7","1") = "6"
    & skf21("2","1","2","1","2","4","1","1") = "3"
    & skf21("2","1","2","1","2","4","2","1") = "3"
    & skf21("2","1","2","1","2","4","3","1") = "3"
    & skf21("2","1","2","1","2","4","4","1") = "3"
    & skf21("2","1","2","1","2","4","5","1") = "4"
    & skf21("2","1","2","1","2","4","6","1") = "5"
    & skf21("2","1","2","1","2","4","7","1") = "6"
    & skf21("2","1","2","1","2","5","1","1") = "4"
    & skf21("2","1","2","1","2","5","2","1") = "4"
    & skf21("2","1","2","1","2","5","3","1") = "4"
    & skf21("2","1","2","1","2","5","4","1") = "4"
    & skf21("2","1","2","1","2","5","5","1") = "4"
    & skf21("2","1","2","1","2","5","6","1") = "5"
    & skf21("2","1","2","1","2","5","7","1") = "6"
    & skf21("2","1","2","1","2","6","1","1") = "5"
    & skf21("2","1","2","1","2","6","2","1") = "5"
    & skf21("2","1","2","1","2","6","3","1") = "5"
    & skf21("2","1","2","1","2","6","4","1") = "5"
    & skf21("2","1","2","1","2","6","5","1") = "5"
    & skf21("2","1","2","1","2","6","6","1") = "5"
    & skf21("2","1","2","1","2","6","7","1") = "6"
    & skf21("2","1","2","1","2","7","1","1") = "6"
    & skf21("2","1","2","1","2","7","2","1") = "6"
    & skf21("2","1","2","1","2","7","3","1") = "6"
    & skf21("2","1","2","1","2","7","4","1") = "6"
    & skf21("2","1","2","1","2","7","5","1") = "6"
    & skf21("2","1","2","1","2","7","6","1") = "6"
    & skf21("2","1","2","1","2","7","7","1") = "6"
    & skf21("2","1","2","1","3","1","1","1") = "2"
    & skf21("2","1","2","1","3","1","2","1") = "2"
    & skf21("2","1","2","1","3","1","3","1") = "2"
    & skf21("2","1","2","1","3","1","4","1") = "3"
    & skf21("2","1","2","1","3","1","5","1") = "4"
    & skf21("2","1","2","1","3","1","6","1") = "5"
    & skf21("2","1","2","1","3","1","7","1") = "6"
    & skf21("2","1","2","1","3","2","1","1") = "2"
    & skf21("2","1","2","1","3","2","2","1") = "2"
    & skf21("2","1","2","1","3","2","3","1") = "2"
    & skf21("2","1","2","1","3","2","4","1") = "3"
    & skf21("2","1","2","1","3","2","5","1") = "4"
    & skf21("2","1","2","1","3","2","6","1") = "5"
    & skf21("2","1","2","1","3","2","7","1") = "6"
    & skf21("2","1","2","1","3","3","1","1") = "2"
    & skf21("2","1","2","1","3","3","2","1") = "2"
    & skf21("2","1","2","1","3","3","3","1") = "2"
    & skf21("2","1","2","1","3","3","4","1") = "3"
    & skf21("2","1","2","1","3","3","5","1") = "4"
    & skf21("2","1","2","1","3","3","6","1") = "5"
    & skf21("2","1","2","1","3","3","7","1") = "6"
    & skf21("2","1","2","1","3","4","1","1") = "3"
    & skf21("2","1","2","1","3","4","2","1") = "3"
    & skf21("2","1","2","1","3","4","3","1") = "3"
    & skf21("2","1","2","1","3","4","4","1") = "3"
    & skf21("2","1","2","1","3","4","5","1") = "4"
    & skf21("2","1","2","1","3","4","6","1") = "5"
    & skf21("2","1","2","1","3","4","7","1") = "6"
    & skf21("2","1","2","1","3","5","1","1") = "4"
    & skf21("2","1","2","1","3","5","2","1") = "4"
    & skf21("2","1","2","1","3","5","3","1") = "4"
    & skf21("2","1","2","1","3","5","4","1") = "4"
    & skf21("2","1","2","1","3","5","5","1") = "4"
    & skf21("2","1","2","1","3","5","6","1") = "5"
    & skf21("2","1","2","1","3","5","7","1") = "6"
    & skf21("2","1","2","1","3","6","1","1") = "5"
    & skf21("2","1","2","1","3","6","2","1") = "5"
    & skf21("2","1","2","1","3","6","3","1") = "5"
    & skf21("2","1","2","1","3","6","4","1") = "5"
    & skf21("2","1","2","1","3","6","5","1") = "5"
    & skf21("2","1","2","1","3","6","6","1") = "5"
    & skf21("2","1","2","1","3","6","7","1") = "6"
    & skf21("2","1","2","1","3","7","1","1") = "6"
    & skf21("2","1","2","1","3","7","2","1") = "6"
    & skf21("2","1","2","1","3","7","3","1") = "6"
    & skf21("2","1","2","1","3","7","4","1") = "6"
    & skf21("2","1","2","1","3","7","5","1") = "6"
    & skf21("2","1","2","1","3","7","6","1") = "6"
    & skf21("2","1","2","1","3","7","7","1") = "6"
    & skf21("2","1","2","1","4","1","1","1") = "3"
    & skf21("2","1","2","1","4","1","2","1") = "3"
    & skf21("2","1","2","1","4","1","3","1") = "3"
    & skf21("2","1","2","1","4","1","4","1") = "3"
    & skf21("2","1","2","1","4","1","5","1") = "4"
    & skf21("2","1","2","1","4","1","6","1") = "5"
    & skf21("2","1","2","1","4","1","7","1") = "6"
    & skf21("2","1","2","1","4","2","1","1") = "3"
    & skf21("2","1","2","1","4","2","2","1") = "3"
    & skf21("2","1","2","1","4","2","3","1") = "3"
    & skf21("2","1","2","1","4","2","4","1") = "3"
    & skf21("2","1","2","1","4","2","5","1") = "4"
    & skf21("2","1","2","1","4","2","6","1") = "5"
    & skf21("2","1","2","1","4","2","7","1") = "6"
    & skf21("2","1","2","1","4","3","1","1") = "3"
    & skf21("2","1","2","1","4","3","2","1") = "3"
    & skf21("2","1","2","1","4","3","3","1") = "3"
    & skf21("2","1","2","1","4","3","4","1") = "3"
    & skf21("2","1","2","1","4","3","5","1") = "4"
    & skf21("2","1","2","1","4","3","6","1") = "5"
    & skf21("2","1","2","1","4","3","7","1") = "6"
    & skf21("2","1","2","1","4","4","1","1") = "3"
    & skf21("2","1","2","1","4","4","2","1") = "3"
    & skf21("2","1","2","1","4","4","3","1") = "3"
    & skf21("2","1","2","1","4","4","4","1") = "3"
    & skf21("2","1","2","1","4","4","5","1") = "4"
    & skf21("2","1","2","1","4","4","6","1") = "5"
    & skf21("2","1","2","1","4","4","7","1") = "6"
    & skf21("2","1","2","1","4","5","1","1") = "4"
    & skf21("2","1","2","1","4","5","2","1") = "4"
    & skf21("2","1","2","1","4","5","3","1") = "4"
    & skf21("2","1","2","1","4","5","4","1") = "4"
    & skf21("2","1","2","1","4","5","5","1") = "4"
    & skf21("2","1","2","1","4","5","6","1") = "5"
    & skf21("2","1","2","1","4","5","7","1") = "6"
    & skf21("2","1","2","1","4","6","1","1") = "5"
    & skf21("2","1","2","1","4","6","2","1") = "5"
    & skf21("2","1","2","1","4","6","3","1") = "5"
    & skf21("2","1","2","1","4","6","4","1") = "5"
    & skf21("2","1","2","1","4","6","5","1") = "5"
    & skf21("2","1","2","1","4","6","6","1") = "5"
    & skf21("2","1","2","1","4","6","7","1") = "6"
    & skf21("2","1","2","1","4","7","1","1") = "6"
    & skf21("2","1","2","1","4","7","2","1") = "6"
    & skf21("2","1","2","1","4","7","3","1") = "6"
    & skf21("2","1","2","1","4","7","4","1") = "6"
    & skf21("2","1","2","1","4","7","5","1") = "6"
    & skf21("2","1","2","1","4","7","6","1") = "6"
    & skf21("2","1","2","1","4","7","7","1") = "6"
    & skf21("2","1","2","1","5","1","1","1") = "4"
    & skf21("2","1","2","1","5","1","2","1") = "4"
    & skf21("2","1","2","1","5","1","3","1") = "4"
    & skf21("2","1","2","1","5","1","4","1") = "4"
    & skf21("2","1","2","1","5","1","5","1") = "4"
    & skf21("2","1","2","1","5","1","6","1") = "5"
    & skf21("2","1","2","1","5","1","7","1") = "6"
    & skf21("2","1","2","1","5","2","1","1") = "4"
    & skf21("2","1","2","1","5","2","2","1") = "4"
    & skf21("2","1","2","1","5","2","3","1") = "4"
    & skf21("2","1","2","1","5","2","4","1") = "4"
    & skf21("2","1","2","1","5","2","5","1") = "4"
    & skf21("2","1","2","1","5","2","6","1") = "5"
    & skf21("2","1","2","1","5","2","7","1") = "6"
    & skf21("2","1","2","1","5","3","1","1") = "4"
    & skf21("2","1","2","1","5","3","2","1") = "4"
    & skf21("2","1","2","1","5","3","3","1") = "4"
    & skf21("2","1","2","1","5","3","4","1") = "4"
    & skf21("2","1","2","1","5","3","5","1") = "4"
    & skf21("2","1","2","1","5","3","6","1") = "5"
    & skf21("2","1","2","1","5","3","7","1") = "6"
    & skf21("2","1","2","1","5","4","1","1") = "4"
    & skf21("2","1","2","1","5","4","2","1") = "4"
    & skf21("2","1","2","1","5","4","3","1") = "4"
    & skf21("2","1","2","1","5","4","4","1") = "4"
    & skf21("2","1","2","1","5","4","5","1") = "4"
    & skf21("2","1","2","1","5","4","6","1") = "5"
    & skf21("2","1","2","1","5","4","7","1") = "6"
    & skf21("2","1","2","1","5","5","1","1") = "4"
    & skf21("2","1","2","1","5","5","2","1") = "4"
    & skf21("2","1","2","1","5","5","3","1") = "4"
    & skf21("2","1","2","1","5","5","4","1") = "4"
    & skf21("2","1","2","1","5","5","5","1") = "4"
    & skf21("2","1","2","1","5","5","6","1") = "5"
    & skf21("2","1","2","1","5","5","7","1") = "6"
    & skf21("2","1","2","1","5","6","1","1") = "5"
    & skf21("2","1","2","1","5","6","2","1") = "5"
    & skf21("2","1","2","1","5","6","3","1") = "5"
    & skf21("2","1","2","1","5","6","4","1") = "5"
    & skf21("2","1","2","1","5","6","5","1") = "5"
    & skf21("2","1","2","1","5","6","6","1") = "5"
    & skf21("2","1","2","1","5","6","7","1") = "6"
    & skf21("2","1","2","1","5","7","1","1") = "6"
    & skf21("2","1","2","1","5","7","2","1") = "6"
    & skf21("2","1","2","1","5","7","3","1") = "6"
    & skf21("2","1","2","1","5","7","4","1") = "6"
    & skf21("2","1","2","1","5","7","5","1") = "6"
    & skf21("2","1","2","1","5","7","6","1") = "6"
    & skf21("2","1","2","1","5","7","7","1") = "6"
    & skf21("2","1","2","1","6","1","1","1") = "5"
    & skf21("2","1","2","1","6","1","2","1") = "5"
    & skf21("2","1","2","1","6","1","3","1") = "5"
    & skf21("2","1","2","1","6","1","4","1") = "5"
    & skf21("2","1","2","1","6","1","5","1") = "5"
    & skf21("2","1","2","1","6","1","6","1") = "5"
    & skf21("2","1","2","1","6","1","7","1") = "6"
    & skf21("2","1","2","1","6","2","1","1") = "5"
    & skf21("2","1","2","1","6","2","2","1") = "5"
    & skf21("2","1","2","1","6","2","3","1") = "5"
    & skf21("2","1","2","1","6","2","4","1") = "5"
    & skf21("2","1","2","1","6","2","5","1") = "5"
    & skf21("2","1","2","1","6","2","6","1") = "5"
    & skf21("2","1","2","1","6","2","7","1") = "6"
    & skf21("2","1","2","1","6","3","1","1") = "5"
    & skf21("2","1","2","1","6","3","2","1") = "5"
    & skf21("2","1","2","1","6","3","3","1") = "5"
    & skf21("2","1","2","1","6","3","4","1") = "5"
    & skf21("2","1","2","1","6","3","5","1") = "5"
    & skf21("2","1","2","1","6","3","6","1") = "5"
    & skf21("2","1","2","1","6","3","7","1") = "6"
    & skf21("2","1","2","1","6","4","1","1") = "5"
    & skf21("2","1","2","1","6","4","2","1") = "5"
    & skf21("2","1","2","1","6","4","3","1") = "5"
    & skf21("2","1","2","1","6","4","4","1") = "5"
    & skf21("2","1","2","1","6","4","5","1") = "5"
    & skf21("2","1","2","1","6","4","6","1") = "5"
    & skf21("2","1","2","1","6","4","7","1") = "6"
    & skf21("2","1","2","1","6","5","1","1") = "5"
    & skf21("2","1","2","1","6","5","2","1") = "5"
    & skf21("2","1","2","1","6","5","3","1") = "5"
    & skf21("2","1","2","1","6","5","4","1") = "5"
    & skf21("2","1","2","1","6","5","5","1") = "5"
    & skf21("2","1","2","1","6","5","6","1") = "5"
    & skf21("2","1","2","1","6","5","7","1") = "6"
    & skf21("2","1","2","1","6","6","1","1") = "5"
    & skf21("2","1","2","1","6","6","2","1") = "5"
    & skf21("2","1","2","1","6","6","3","1") = "5"
    & skf21("2","1","2","1","6","6","4","1") = "5"
    & skf21("2","1","2","1","6","6","5","1") = "5"
    & skf21("2","1","2","1","6","6","6","1") = "5"
    & skf21("2","1","2","1","6","6","7","1") = "6"
    & skf21("2","1","2","1","6","7","1","1") = "6"
    & skf21("2","1","2","1","6","7","2","1") = "6"
    & skf21("2","1","2","1","6","7","3","1") = "6"
    & skf21("2","1","2","1","6","7","4","1") = "6"
    & skf21("2","1","2","1","6","7","5","1") = "6"
    & skf21("2","1","2","1","6","7","6","1") = "6"
    & skf21("2","1","2","1","6","7","7","1") = "6"
    & skf21("2","1","2","1","7","1","1","1") = "6"
    & skf21("2","1","2","1","7","1","2","1") = "6"
    & skf21("2","1","2","1","7","1","3","1") = "6"
    & skf21("2","1","2","1","7","1","4","1") = "6"
    & skf21("2","1","2","1","7","1","5","1") = "6"
    & skf21("2","1","2","1","7","1","6","1") = "6"
    & skf21("2","1","2","1","7","1","7","1") = "6"
    & skf21("2","1","2","1","7","2","1","1") = "6"
    & skf21("2","1","2","1","7","2","2","1") = "6"
    & skf21("2","1","2","1","7","2","3","1") = "6"
    & skf21("2","1","2","1","7","2","4","1") = "6"
    & skf21("2","1","2","1","7","2","5","1") = "6"
    & skf21("2","1","2","1","7","2","6","1") = "6"
    & skf21("2","1","2","1","7","2","7","1") = "6"
    & skf21("2","1","2","1","7","3","1","1") = "6"
    & skf21("2","1","2","1","7","3","2","1") = "6"
    & skf21("2","1","2","1","7","3","3","1") = "6"
    & skf21("2","1","2","1","7","3","4","1") = "6"
    & skf21("2","1","2","1","7","3","5","1") = "6"
    & skf21("2","1","2","1","7","3","6","1") = "6"
    & skf21("2","1","2","1","7","3","7","1") = "6"
    & skf21("2","1","2","1","7","4","1","1") = "6"
    & skf21("2","1","2","1","7","4","2","1") = "6"
    & skf21("2","1","2","1","7","4","3","1") = "6"
    & skf21("2","1","2","1","7","4","4","1") = "6"
    & skf21("2","1","2","1","7","4","5","1") = "6"
    & skf21("2","1","2","1","7","4","6","1") = "6"
    & skf21("2","1","2","1","7","4","7","1") = "6"
    & skf21("2","1","2","1","7","5","1","1") = "6"
    & skf21("2","1","2","1","7","5","2","1") = "6"
    & skf21("2","1","2","1","7","5","3","1") = "6"
    & skf21("2","1","2","1","7","5","4","1") = "6"
    & skf21("2","1","2","1","7","5","5","1") = "6"
    & skf21("2","1","2","1","7","5","6","1") = "6"
    & skf21("2","1","2","1","7","5","7","1") = "6"
    & skf21("2","1","2","1","7","6","1","1") = "6"
    & skf21("2","1","2","1","7","6","2","1") = "6"
    & skf21("2","1","2","1","7","6","3","1") = "6"
    & skf21("2","1","2","1","7","6","4","1") = "6"
    & skf21("2","1","2","1","7","6","5","1") = "6"
    & skf21("2","1","2","1","7","6","6","1") = "6"
    & skf21("2","1","2","1","7","6","7","1") = "6"
    & skf21("2","1","2","1","7","7","1","1") = "6"
    & skf21("2","1","2","1","7","7","2","1") = "6"
    & skf21("2","1","2","1","7","7","3","1") = "6"
    & skf21("2","1","2","1","7","7","4","1") = "6"
    & skf21("2","1","2","1","7","7","5","1") = "6"
    & skf21("2","1","2","1","7","7","6","1") = "6"
    & skf21("2","1","2","1","7","7","7","1") = "6"
    & skf21("2","1","2","2","1","1","1","1") = "1"
    & skf21("2","1","2","2","1","1","2","1") = "1"
    & skf21("2","1","2","2","1","1","3","1") = "2"
    & skf21("2","1","2","2","1","1","4","1") = "3"
    & skf21("2","1","2","2","1","1","5","1") = "4"
    & skf21("2","1","2","2","1","1","6","1") = "5"
    & skf21("2","1","2","2","1","1","7","1") = "6"
    & skf21("2","1","2","2","1","2","1","1") = "1"
    & skf21("2","1","2","2","1","2","2","1") = "1"
    & skf21("2","1","2","2","1","2","3","1") = "2"
    & skf21("2","1","2","2","1","2","4","1") = "3"
    & skf21("2","1","2","2","1","2","5","1") = "4"
    & skf21("2","1","2","2","1","2","6","1") = "5"
    & skf21("2","1","2","2","1","2","7","1") = "6"
    & skf21("2","1","2","2","1","3","1","1") = "2"
    & skf21("2","1","2","2","1","3","2","1") = "2"
    & skf21("2","1","2","2","1","3","3","1") = "2"
    & skf21("2","1","2","2","1","3","4","1") = "3"
    & skf21("2","1","2","2","1","3","5","1") = "4"
    & skf21("2","1","2","2","1","3","6","1") = "5"
    & skf21("2","1","2","2","1","3","7","1") = "6"
    & skf21("2","1","2","2","1","4","1","1") = "3"
    & skf21("2","1","2","2","1","4","2","1") = "3"
    & skf21("2","1","2","2","1","4","3","1") = "3"
    & skf21("2","1","2","2","1","4","4","1") = "3"
    & skf21("2","1","2","2","1","4","5","1") = "4"
    & skf21("2","1","2","2","1","4","6","1") = "5"
    & skf21("2","1","2","2","1","4","7","1") = "6"
    & skf21("2","1","2","2","1","5","1","1") = "4"
    & skf21("2","1","2","2","1","5","2","1") = "4"
    & skf21("2","1","2","2","1","5","3","1") = "4"
    & skf21("2","1","2","2","1","5","4","1") = "4"
    & skf21("2","1","2","2","1","5","5","1") = "4"
    & skf21("2","1","2","2","1","5","6","1") = "5"
    & skf21("2","1","2","2","1","5","7","1") = "6"
    & skf21("2","1","2","2","1","6","1","1") = "5"
    & skf21("2","1","2","2","1","6","2","1") = "5"
    & skf21("2","1","2","2","1","6","3","1") = "5"
    & skf21("2","1","2","2","1","6","4","1") = "5"
    & skf21("2","1","2","2","1","6","5","1") = "5"
    & skf21("2","1","2","2","1","6","6","1") = "5"
    & skf21("2","1","2","2","1","6","7","1") = "6"
    & skf21("2","1","2","2","1","7","1","1") = "6"
    & skf21("2","1","2","2","1","7","2","1") = "6"
    & skf21("2","1","2","2","1","7","3","1") = "6"
    & skf21("2","1","2","2","1","7","4","1") = "6"
    & skf21("2","1","2","2","1","7","5","1") = "6"
    & skf21("2","1","2","2","1","7","6","1") = "6"
    & skf21("2","1","2","2","1","7","7","1") = "6"
    & skf21("2","1","2","2","2","1","1","1") = "1"
    & skf21("2","1","2","2","2","1","2","1") = "1"
    & skf21("2","1","2","2","2","1","3","1") = "2"
    & skf21("2","1","2","2","2","1","4","1") = "3"
    & skf21("2","1","2","2","2","1","5","1") = "4"
    & skf21("2","1","2","2","2","1","6","1") = "5"
    & skf21("2","1","2","2","2","1","7","1") = "6"
    & skf21("2","1","2","2","2","2","1","1") = "1"
    & skf21("2","1","2","2","2","2","2","1") = "1"
    & skf21("2","1","2","2","2","2","3","1") = "2"
    & skf21("2","1","2","2","2","2","4","1") = "3"
    & skf21("2","1","2","2","2","2","5","1") = "4"
    & skf21("2","1","2","2","2","2","6","1") = "5"
    & skf21("2","1","2","2","2","2","7","1") = "6"
    & skf21("2","1","2","2","2","3","1","1") = "2"
    & skf21("2","1","2","2","2","3","2","1") = "2"
    & skf21("2","1","2","2","2","3","3","1") = "2"
    & skf21("2","1","2","2","2","3","4","1") = "3"
    & skf21("2","1","2","2","2","3","5","1") = "4"
    & skf21("2","1","2","2","2","3","6","1") = "5"
    & skf21("2","1","2","2","2","3","7","1") = "6"
    & skf21("2","1","2","2","2","4","1","1") = "3"
    & skf21("2","1","2","2","2","4","2","1") = "3"
    & skf21("2","1","2","2","2","4","3","1") = "3"
    & skf21("2","1","2","2","2","4","4","1") = "3"
    & skf21("2","1","2","2","2","4","5","1") = "4"
    & skf21("2","1","2","2","2","4","6","1") = "5"
    & skf21("2","1","2","2","2","4","7","1") = "6"
    & skf21("2","1","2","2","2","5","1","1") = "4"
    & skf21("2","1","2","2","2","5","2","1") = "4"
    & skf21("2","1","2","2","2","5","3","1") = "4"
    & skf21("2","1","2","2","2","5","4","1") = "4"
    & skf21("2","1","2","2","2","5","5","1") = "4"
    & skf21("2","1","2","2","2","5","6","1") = "5"
    & skf21("2","1","2","2","2","5","7","1") = "6"
    & skf21("2","1","2","2","2","6","1","1") = "5"
    & skf21("2","1","2","2","2","6","2","1") = "5"
    & skf21("2","1","2","2","2","6","3","1") = "5"
    & skf21("2","1","2","2","2","6","4","1") = "5"
    & skf21("2","1","2","2","2","6","5","1") = "5"
    & skf21("2","1","2","2","2","6","6","1") = "5"
    & skf21("2","1","2","2","2","6","7","1") = "6"
    & skf21("2","1","2","2","2","7","1","1") = "6"
    & skf21("2","1","2","2","2","7","2","1") = "6"
    & skf21("2","1","2","2","2","7","3","1") = "6"
    & skf21("2","1","2","2","2","7","4","1") = "6"
    & skf21("2","1","2","2","2","7","5","1") = "6"
    & skf21("2","1","2","2","2","7","6","1") = "6"
    & skf21("2","1","2","2","2","7","7","1") = "6"
    & skf21("2","1","2","2","3","1","1","1") = "2"
    & skf21("2","1","2","2","3","1","2","1") = "2"
    & skf21("2","1","2","2","3","1","3","1") = "2"
    & skf21("2","1","2","2","3","1","4","1") = "3"
    & skf21("2","1","2","2","3","1","5","1") = "4"
    & skf21("2","1","2","2","3","1","6","1") = "5"
    & skf21("2","1","2","2","3","1","7","1") = "6"
    & skf21("2","1","2","2","3","2","1","1") = "2"
    & skf21("2","1","2","2","3","2","2","1") = "2"
    & skf21("2","1","2","2","3","2","3","1") = "2"
    & skf21("2","1","2","2","3","2","4","1") = "3"
    & skf21("2","1","2","2","3","2","5","1") = "4"
    & skf21("2","1","2","2","3","2","6","1") = "5"
    & skf21("2","1","2","2","3","2","7","1") = "6"
    & skf21("2","1","2","2","3","3","1","1") = "2"
    & skf21("2","1","2","2","3","3","2","1") = "2"
    & skf21("2","1","2","2","3","3","3","1") = "2"
    & skf21("2","1","2","2","3","3","4","1") = "3"
    & skf21("2","1","2","2","3","3","5","1") = "4"
    & skf21("2","1","2","2","3","3","6","1") = "5"
    & skf21("2","1","2","2","3","3","7","1") = "6"
    & skf21("2","1","2","2","3","4","1","1") = "3"
    & skf21("2","1","2","2","3","4","2","1") = "3"
    & skf21("2","1","2","2","3","4","3","1") = "3"
    & skf21("2","1","2","2","3","4","4","1") = "3"
    & skf21("2","1","2","2","3","4","5","1") = "4"
    & skf21("2","1","2","2","3","4","6","1") = "5"
    & skf21("2","1","2","2","3","4","7","1") = "6"
    & skf21("2","1","2","2","3","5","1","1") = "4"
    & skf21("2","1","2","2","3","5","2","1") = "4"
    & skf21("2","1","2","2","3","5","3","1") = "4"
    & skf21("2","1","2","2","3","5","4","1") = "4"
    & skf21("2","1","2","2","3","5","5","1") = "4"
    & skf21("2","1","2","2","3","5","6","1") = "5"
    & skf21("2","1","2","2","3","5","7","1") = "6"
    & skf21("2","1","2","2","3","6","1","1") = "5"
    & skf21("2","1","2","2","3","6","2","1") = "5"
    & skf21("2","1","2","2","3","6","3","1") = "5"
    & skf21("2","1","2","2","3","6","4","1") = "5"
    & skf21("2","1","2","2","3","6","5","1") = "5"
    & skf21("2","1","2","2","3","6","6","1") = "5"
    & skf21("2","1","2","2","3","6","7","1") = "6"
    & skf21("2","1","2","2","3","7","1","1") = "6"
    & skf21("2","1","2","2","3","7","2","1") = "6"
    & skf21("2","1","2","2","3","7","3","1") = "6"
    & skf21("2","1","2","2","3","7","4","1") = "6"
    & skf21("2","1","2","2","3","7","5","1") = "6"
    & skf21("2","1","2","2","3","7","6","1") = "6"
    & skf21("2","1","2","2","3","7","7","1") = "6"
    & skf21("2","1","2","2","4","1","1","1") = "3"
    & skf21("2","1","2","2","4","1","2","1") = "3"
    & skf21("2","1","2","2","4","1","3","1") = "3"
    & skf21("2","1","2","2","4","1","4","1") = "3"
    & skf21("2","1","2","2","4","1","5","1") = "4"
    & skf21("2","1","2","2","4","1","6","1") = "5"
    & skf21("2","1","2","2","4","1","7","1") = "6"
    & skf21("2","1","2","2","4","2","1","1") = "3"
    & skf21("2","1","2","2","4","2","2","1") = "3"
    & skf21("2","1","2","2","4","2","3","1") = "3"
    & skf21("2","1","2","2","4","2","4","1") = "3"
    & skf21("2","1","2","2","4","2","5","1") = "4"
    & skf21("2","1","2","2","4","2","6","1") = "5"
    & skf21("2","1","2","2","4","2","7","1") = "6"
    & skf21("2","1","2","2","4","3","1","1") = "3"
    & skf21("2","1","2","2","4","3","2","1") = "3"
    & skf21("2","1","2","2","4","3","3","1") = "3"
    & skf21("2","1","2","2","4","3","4","1") = "3"
    & skf21("2","1","2","2","4","3","5","1") = "4"
    & skf21("2","1","2","2","4","3","6","1") = "5"
    & skf21("2","1","2","2","4","3","7","1") = "6"
    & skf21("2","1","2","2","4","4","1","1") = "3"
    & skf21("2","1","2","2","4","4","2","1") = "3"
    & skf21("2","1","2","2","4","4","3","1") = "3"
    & skf21("2","1","2","2","4","4","4","1") = "3"
    & skf21("2","1","2","2","4","4","5","1") = "4"
    & skf21("2","1","2","2","4","4","6","1") = "5"
    & skf21("2","1","2","2","4","4","7","1") = "6"
    & skf21("2","1","2","2","4","5","1","1") = "4"
    & skf21("2","1","2","2","4","5","2","1") = "4"
    & skf21("2","1","2","2","4","5","3","1") = "4"
    & skf21("2","1","2","2","4","5","4","1") = "4"
    & skf21("2","1","2","2","4","5","5","1") = "4"
    & skf21("2","1","2","2","4","5","6","1") = "5"
    & skf21("2","1","2","2","4","5","7","1") = "6"
    & skf21("2","1","2","2","4","6","1","1") = "5"
    & skf21("2","1","2","2","4","6","2","1") = "5"
    & skf21("2","1","2","2","4","6","3","1") = "5"
    & skf21("2","1","2","2","4","6","4","1") = "5"
    & skf21("2","1","2","2","4","6","5","1") = "5"
    & skf21("2","1","2","2","4","6","6","1") = "5"
    & skf21("2","1","2","2","4","6","7","1") = "6"
    & skf21("2","1","2","2","4","7","1","1") = "6"
    & skf21("2","1","2","2","4","7","2","1") = "6"
    & skf21("2","1","2","2","4","7","3","1") = "6"
    & skf21("2","1","2","2","4","7","4","1") = "6"
    & skf21("2","1","2","2","4","7","5","1") = "6"
    & skf21("2","1","2","2","4","7","6","1") = "6"
    & skf21("2","1","2","2","4","7","7","1") = "6"
    & skf21("2","1","2","2","5","1","1","1") = "4"
    & skf21("2","1","2","2","5","1","2","1") = "4"
    & skf21("2","1","2","2","5","1","3","1") = "4"
    & skf21("2","1","2","2","5","1","4","1") = "4"
    & skf21("2","1","2","2","5","1","5","1") = "4"
    & skf21("2","1","2","2","5","1","6","1") = "5"
    & skf21("2","1","2","2","5","1","7","1") = "6"
    & skf21("2","1","2","2","5","2","1","1") = "4"
    & skf21("2","1","2","2","5","2","2","1") = "4"
    & skf21("2","1","2","2","5","2","3","1") = "4"
    & skf21("2","1","2","2","5","2","4","1") = "4"
    & skf21("2","1","2","2","5","2","5","1") = "4"
    & skf21("2","1","2","2","5","2","6","1") = "5"
    & skf21("2","1","2","2","5","2","7","1") = "6"
    & skf21("2","1","2","2","5","3","1","1") = "4"
    & skf21("2","1","2","2","5","3","2","1") = "4"
    & skf21("2","1","2","2","5","3","3","1") = "4"
    & skf21("2","1","2","2","5","3","4","1") = "4"
    & skf21("2","1","2","2","5","3","5","1") = "4"
    & skf21("2","1","2","2","5","3","6","1") = "5"
    & skf21("2","1","2","2","5","3","7","1") = "6"
    & skf21("2","1","2","2","5","4","1","1") = "4"
    & skf21("2","1","2","2","5","4","2","1") = "4"
    & skf21("2","1","2","2","5","4","3","1") = "4"
    & skf21("2","1","2","2","5","4","4","1") = "4"
    & skf21("2","1","2","2","5","4","5","1") = "4"
    & skf21("2","1","2","2","5","4","6","1") = "5"
    & skf21("2","1","2","2","5","4","7","1") = "6"
    & skf21("2","1","2","2","5","5","1","1") = "4"
    & skf21("2","1","2","2","5","5","2","1") = "4"
    & skf21("2","1","2","2","5","5","3","1") = "4"
    & skf21("2","1","2","2","5","5","4","1") = "4"
    & skf21("2","1","2","2","5","5","5","1") = "4"
    & skf21("2","1","2","2","5","5","6","1") = "5"
    & skf21("2","1","2","2","5","5","7","1") = "6"
    & skf21("2","1","2","2","5","6","1","1") = "5"
    & skf21("2","1","2","2","5","6","2","1") = "5"
    & skf21("2","1","2","2","5","6","3","1") = "5"
    & skf21("2","1","2","2","5","6","4","1") = "5"
    & skf21("2","1","2","2","5","6","5","1") = "5"
    & skf21("2","1","2","2","5","6","6","1") = "5"
    & skf21("2","1","2","2","5","6","7","1") = "6"
    & skf21("2","1","2","2","5","7","1","1") = "6"
    & skf21("2","1","2","2","5","7","2","1") = "6"
    & skf21("2","1","2","2","5","7","3","1") = "6"
    & skf21("2","1","2","2","5","7","4","1") = "6"
    & skf21("2","1","2","2","5","7","5","1") = "6"
    & skf21("2","1","2","2","5","7","6","1") = "6"
    & skf21("2","1","2","2","5","7","7","1") = "6"
    & skf21("2","1","2","2","6","1","1","1") = "5"
    & skf21("2","1","2","2","6","1","2","1") = "5"
    & skf21("2","1","2","2","6","1","3","1") = "5"
    & skf21("2","1","2","2","6","1","4","1") = "5"
    & skf21("2","1","2","2","6","1","5","1") = "5"
    & skf21("2","1","2","2","6","1","6","1") = "5"
    & skf21("2","1","2","2","6","1","7","1") = "6"
    & skf21("2","1","2","2","6","2","1","1") = "5"
    & skf21("2","1","2","2","6","2","2","1") = "5"
    & skf21("2","1","2","2","6","2","3","1") = "5"
    & skf21("2","1","2","2","6","2","4","1") = "5"
    & skf21("2","1","2","2","6","2","5","1") = "5"
    & skf21("2","1","2","2","6","2","6","1") = "5"
    & skf21("2","1","2","2","6","2","7","1") = "6"
    & skf21("2","1","2","2","6","3","1","1") = "5"
    & skf21("2","1","2","2","6","3","2","1") = "5"
    & skf21("2","1","2","2","6","3","3","1") = "5"
    & skf21("2","1","2","2","6","3","4","1") = "5"
    & skf21("2","1","2","2","6","3","5","1") = "5"
    & skf21("2","1","2","2","6","3","6","1") = "5"
    & skf21("2","1","2","2","6","3","7","1") = "6"
    & skf21("2","1","2","2","6","4","1","1") = "5"
    & skf21("2","1","2","2","6","4","2","1") = "5"
    & skf21("2","1","2","2","6","4","3","1") = "5"
    & skf21("2","1","2","2","6","4","4","1") = "5"
    & skf21("2","1","2","2","6","4","5","1") = "5"
    & skf21("2","1","2","2","6","4","6","1") = "5"
    & skf21("2","1","2","2","6","4","7","1") = "6"
    & skf21("2","1","2","2","6","5","1","1") = "5"
    & skf21("2","1","2","2","6","5","2","1") = "5"
    & skf21("2","1","2","2","6","5","3","1") = "5"
    & skf21("2","1","2","2","6","5","4","1") = "5"
    & skf21("2","1","2","2","6","5","5","1") = "5"
    & skf21("2","1","2","2","6","5","6","1") = "5"
    & skf21("2","1","2","2","6","5","7","1") = "6"
    & skf21("2","1","2","2","6","6","1","1") = "5"
    & skf21("2","1","2","2","6","6","2","1") = "5"
    & skf21("2","1","2","2","6","6","3","1") = "5"
    & skf21("2","1","2","2","6","6","4","1") = "5"
    & skf21("2","1","2","2","6","6","5","1") = "5"
    & skf21("2","1","2","2","6","6","6","1") = "5"
    & skf21("2","1","2","2","6","6","7","1") = "6"
    & skf21("2","1","2","2","6","7","1","1") = "6"
    & skf21("2","1","2","2","6","7","2","1") = "6"
    & skf21("2","1","2","2","6","7","3","1") = "6"
    & skf21("2","1","2","2","6","7","4","1") = "6"
    & skf21("2","1","2","2","6","7","5","1") = "6"
    & skf21("2","1","2","2","6","7","6","1") = "6"
    & skf21("2","1","2","2","6","7","7","1") = "6"
    & skf21("2","1","2","2","7","1","1","1") = "6"
    & skf21("2","1","2","2","7","1","2","1") = "6"
    & skf21("2","1","2","2","7","1","3","1") = "6"
    & skf21("2","1","2","2","7","1","4","1") = "6"
    & skf21("2","1","2","2","7","1","5","1") = "6"
    & skf21("2","1","2","2","7","1","6","1") = "6"
    & skf21("2","1","2","2","7","1","7","1") = "6"
    & skf21("2","1","2","2","7","2","1","1") = "6"
    & skf21("2","1","2","2","7","2","2","1") = "6"
    & skf21("2","1","2","2","7","2","3","1") = "6"
    & skf21("2","1","2","2","7","2","4","1") = "6"
    & skf21("2","1","2","2","7","2","5","1") = "6"
    & skf21("2","1","2","2","7","2","6","1") = "6"
    & skf21("2","1","2","2","7","2","7","1") = "6"
    & skf21("2","1","2","2","7","3","1","1") = "6"
    & skf21("2","1","2","2","7","3","2","1") = "6"
    & skf21("2","1","2","2","7","3","3","1") = "6"
    & skf21("2","1","2","2","7","3","4","1") = "6"
    & skf21("2","1","2","2","7","3","5","1") = "6"
    & skf21("2","1","2","2","7","3","6","1") = "6"
    & skf21("2","1","2","2","7","3","7","1") = "6"
    & skf21("2","1","2","2","7","4","1","1") = "6"
    & skf21("2","1","2","2","7","4","2","1") = "6"
    & skf21("2","1","2","2","7","4","3","1") = "6"
    & skf21("2","1","2","2","7","4","4","1") = "6"
    & skf21("2","1","2","2","7","4","5","1") = "6"
    & skf21("2","1","2","2","7","4","6","1") = "6"
    & skf21("2","1","2","2","7","4","7","1") = "6"
    & skf21("2","1","2","2","7","5","1","1") = "6"
    & skf21("2","1","2","2","7","5","2","1") = "6"
    & skf21("2","1","2","2","7","5","3","1") = "6"
    & skf21("2","1","2","2","7","5","4","1") = "6"
    & skf21("2","1","2","2","7","5","5","1") = "6"
    & skf21("2","1","2","2","7","5","6","1") = "6"
    & skf21("2","1","2","2","7","5","7","1") = "6"
    & skf21("2","1","2","2","7","6","1","1") = "6"
    & skf21("2","1","2","2","7","6","2","1") = "6"
    & skf21("2","1","2","2","7","6","3","1") = "6"
    & skf21("2","1","2","2","7","6","4","1") = "6"
    & skf21("2","1","2","2","7","6","5","1") = "6"
    & skf21("2","1","2","2","7","6","6","1") = "6"
    & skf21("2","1","2","2","7","6","7","1") = "6"
    & skf21("2","1","2","2","7","7","1","1") = "6"
    & skf21("2","1","2","2","7","7","2","1") = "6"
    & skf21("2","1","2","2","7","7","3","1") = "6"
    & skf21("2","1","2","2","7","7","4","1") = "6"
    & skf21("2","1","2","2","7","7","5","1") = "6"
    & skf21("2","1","2","2","7","7","6","1") = "6"
    & skf21("2","1","2","2","7","7","7","1") = "6"
    & skf21("2","1","2","3","1","1","1","1") = "2"
    & skf21("2","1","2","3","1","1","2","1") = "2"
    & skf21("2","1","2","3","1","1","3","1") = "2"
    & skf21("2","1","2","3","1","1","4","1") = "3"
    & skf21("2","1","2","3","1","1","5","1") = "4"
    & skf21("2","1","2","3","1","1","6","1") = "5"
    & skf21("2","1","2","3","1","1","7","1") = "6"
    & skf21("2","1","2","3","1","2","1","1") = "2"
    & skf21("2","1","2","3","1","2","2","1") = "2"
    & skf21("2","1","2","3","1","2","3","1") = "2"
    & skf21("2","1","2","3","1","2","4","1") = "3"
    & skf21("2","1","2","3","1","2","5","1") = "4"
    & skf21("2","1","2","3","1","2","6","1") = "5"
    & skf21("2","1","2","3","1","2","7","1") = "6"
    & skf21("2","1","2","3","1","3","1","1") = "2"
    & skf21("2","1","2","3","1","3","2","1") = "2"
    & skf21("2","1","2","3","1","3","3","1") = "2"
    & skf21("2","1","2","3","1","3","4","1") = "3"
    & skf21("2","1","2","3","1","3","5","1") = "4"
    & skf21("2","1","2","3","1","3","6","1") = "5"
    & skf21("2","1","2","3","1","3","7","1") = "6"
    & skf21("2","1","2","3","1","4","1","1") = "3"
    & skf21("2","1","2","3","1","4","2","1") = "3"
    & skf21("2","1","2","3","1","4","3","1") = "3"
    & skf21("2","1","2","3","1","4","4","1") = "3"
    & skf21("2","1","2","3","1","4","5","1") = "4"
    & skf21("2","1","2","3","1","4","6","1") = "5"
    & skf21("2","1","2","3","1","4","7","1") = "6"
    & skf21("2","1","2","3","1","5","1","1") = "4"
    & skf21("2","1","2","3","1","5","2","1") = "4"
    & skf21("2","1","2","3","1","5","3","1") = "4"
    & skf21("2","1","2","3","1","5","4","1") = "4"
    & skf21("2","1","2","3","1","5","5","1") = "4"
    & skf21("2","1","2","3","1","5","6","1") = "5"
    & skf21("2","1","2","3","1","5","7","1") = "6"
    & skf21("2","1","2","3","1","6","1","1") = "5"
    & skf21("2","1","2","3","1","6","2","1") = "5"
    & skf21("2","1","2","3","1","6","3","1") = "5"
    & skf21("2","1","2","3","1","6","4","1") = "5"
    & skf21("2","1","2","3","1","6","5","1") = "5"
    & skf21("2","1","2","3","1","6","6","1") = "5"
    & skf21("2","1","2","3","1","6","7","1") = "6"
    & skf21("2","1","2","3","1","7","1","1") = "6"
    & skf21("2","1","2","3","1","7","2","1") = "6"
    & skf21("2","1","2","3","1","7","3","1") = "6"
    & skf21("2","1","2","3","1","7","4","1") = "6"
    & skf21("2","1","2","3","1","7","5","1") = "6"
    & skf21("2","1","2","3","1","7","6","1") = "6"
    & skf21("2","1","2","3","1","7","7","1") = "6"
    & skf21("2","1","2","3","2","1","1","1") = "2"
    & skf21("2","1","2","3","2","1","2","1") = "2"
    & skf21("2","1","2","3","2","1","3","1") = "2"
    & skf21("2","1","2","3","2","1","4","1") = "3"
    & skf21("2","1","2","3","2","1","5","1") = "4"
    & skf21("2","1","2","3","2","1","6","1") = "5"
    & skf21("2","1","2","3","2","1","7","1") = "6"
    & skf21("2","1","2","3","2","2","1","1") = "2"
    & skf21("2","1","2","3","2","2","2","1") = "2"
    & skf21("2","1","2","3","2","2","3","1") = "2"
    & skf21("2","1","2","3","2","2","4","1") = "3"
    & skf21("2","1","2","3","2","2","5","1") = "4"
    & skf21("2","1","2","3","2","2","6","1") = "5"
    & skf21("2","1","2","3","2","2","7","1") = "6"
    & skf21("2","1","2","3","2","3","1","1") = "2"
    & skf21("2","1","2","3","2","3","2","1") = "2"
    & skf21("2","1","2","3","2","3","3","1") = "2"
    & skf21("2","1","2","3","2","3","4","1") = "3"
    & skf21("2","1","2","3","2","3","5","1") = "4"
    & skf21("2","1","2","3","2","3","6","1") = "5"
    & skf21("2","1","2","3","2","3","7","1") = "6"
    & skf21("2","1","2","3","2","4","1","1") = "3"
    & skf21("2","1","2","3","2","4","2","1") = "3"
    & skf21("2","1","2","3","2","4","3","1") = "3"
    & skf21("2","1","2","3","2","4","4","1") = "3"
    & skf21("2","1","2","3","2","4","5","1") = "4"
    & skf21("2","1","2","3","2","4","6","1") = "5"
    & skf21("2","1","2","3","2","4","7","1") = "6"
    & skf21("2","1","2","3","2","5","1","1") = "4"
    & skf21("2","1","2","3","2","5","2","1") = "4"
    & skf21("2","1","2","3","2","5","3","1") = "4"
    & skf21("2","1","2","3","2","5","4","1") = "4"
    & skf21("2","1","2","3","2","5","5","1") = "4"
    & skf21("2","1","2","3","2","5","6","1") = "5"
    & skf21("2","1","2","3","2","5","7","1") = "6"
    & skf21("2","1","2","3","2","6","1","1") = "5"
    & skf21("2","1","2","3","2","6","2","1") = "5"
    & skf21("2","1","2","3","2","6","3","1") = "5"
    & skf21("2","1","2","3","2","6","4","1") = "5"
    & skf21("2","1","2","3","2","6","5","1") = "5"
    & skf21("2","1","2","3","2","6","6","1") = "5"
    & skf21("2","1","2","3","2","6","7","1") = "6"
    & skf21("2","1","2","3","2","7","1","1") = "6"
    & skf21("2","1","2","3","2","7","2","1") = "6"
    & skf21("2","1","2","3","2","7","3","1") = "6"
    & skf21("2","1","2","3","2","7","4","1") = "6"
    & skf21("2","1","2","3","2","7","5","1") = "6"
    & skf21("2","1","2","3","2","7","6","1") = "6"
    & skf21("2","1","2","3","2","7","7","1") = "6"
    & skf21("2","1","2","3","3","1","1","1") = "2"
    & skf21("2","1","2","3","3","1","2","1") = "2"
    & skf21("2","1","2","3","3","1","3","1") = "2"
    & skf21("2","1","2","3","3","1","4","1") = "3"
    & skf21("2","1","2","3","3","1","5","1") = "4"
    & skf21("2","1","2","3","3","1","6","1") = "5"
    & skf21("2","1","2","3","3","1","7","1") = "6"
    & skf21("2","1","2","3","3","2","1","1") = "2"
    & skf21("2","1","2","3","3","2","2","1") = "2"
    & skf21("2","1","2","3","3","2","3","1") = "2"
    & skf21("2","1","2","3","3","2","4","1") = "3"
    & skf21("2","1","2","3","3","2","5","1") = "4"
    & skf21("2","1","2","3","3","2","6","1") = "5"
    & skf21("2","1","2","3","3","2","7","1") = "6"
    & skf21("2","1","2","3","3","3","1","1") = "2"
    & skf21("2","1","2","3","3","3","2","1") = "2"
    & skf21("2","1","2","3","3","3","3","1") = "2"
    & skf21("2","1","2","3","3","3","4","1") = "3"
    & skf21("2","1","2","3","3","3","5","1") = "4"
    & skf21("2","1","2","3","3","3","6","1") = "5"
    & skf21("2","1","2","3","3","3","7","1") = "6"
    & skf21("2","1","2","3","3","4","1","1") = "3"
    & skf21("2","1","2","3","3","4","2","1") = "3"
    & skf21("2","1","2","3","3","4","3","1") = "3"
    & skf21("2","1","2","3","3","4","4","1") = "3"
    & skf21("2","1","2","3","3","4","5","1") = "4"
    & skf21("2","1","2","3","3","4","6","1") = "5"
    & skf21("2","1","2","3","3","4","7","1") = "6"
    & skf21("2","1","2","3","3","5","1","1") = "4"
    & skf21("2","1","2","3","3","5","2","1") = "4"
    & skf21("2","1","2","3","3","5","3","1") = "4"
    & skf21("2","1","2","3","3","5","4","1") = "4"
    & skf21("2","1","2","3","3","5","5","1") = "4"
    & skf21("2","1","2","3","3","5","6","1") = "5"
    & skf21("2","1","2","3","3","5","7","1") = "6"
    & skf21("2","1","2","3","3","6","1","1") = "5"
    & skf21("2","1","2","3","3","6","2","1") = "5"
    & skf21("2","1","2","3","3","6","3","1") = "5"
    & skf21("2","1","2","3","3","6","4","1") = "5"
    & skf21("2","1","2","3","3","6","5","1") = "5"
    & skf21("2","1","2","3","3","6","6","1") = "5"
    & skf21("2","1","2","3","3","6","7","1") = "6"
    & skf21("2","1","2","3","3","7","1","1") = "6"
    & skf21("2","1","2","3","3","7","2","1") = "6"
    & skf21("2","1","2","3","3","7","3","1") = "6"
    & skf21("2","1","2","3","3","7","4","1") = "6"
    & skf21("2","1","2","3","3","7","5","1") = "6"
    & skf21("2","1","2","3","3","7","6","1") = "6"
    & skf21("2","1","2","3","3","7","7","1") = "6"
    & skf21("2","1","2","3","4","1","1","1") = "3"
    & skf21("2","1","2","3","4","1","2","1") = "3"
    & skf21("2","1","2","3","4","1","3","1") = "3"
    & skf21("2","1","2","3","4","1","4","1") = "3"
    & skf21("2","1","2","3","4","1","5","1") = "4"
    & skf21("2","1","2","3","4","1","6","1") = "5"
    & skf21("2","1","2","3","4","1","7","1") = "6"
    & skf21("2","1","2","3","4","2","1","1") = "3"
    & skf21("2","1","2","3","4","2","2","1") = "3"
    & skf21("2","1","2","3","4","2","3","1") = "3"
    & skf21("2","1","2","3","4","2","4","1") = "3"
    & skf21("2","1","2","3","4","2","5","1") = "4"
    & skf21("2","1","2","3","4","2","6","1") = "5"
    & skf21("2","1","2","3","4","2","7","1") = "6"
    & skf21("2","1","2","3","4","3","1","1") = "3"
    & skf21("2","1","2","3","4","3","2","1") = "3"
    & skf21("2","1","2","3","4","3","3","1") = "3"
    & skf21("2","1","2","3","4","3","4","1") = "3"
    & skf21("2","1","2","3","4","3","5","1") = "4"
    & skf21("2","1","2","3","4","3","6","1") = "5"
    & skf21("2","1","2","3","4","3","7","1") = "6"
    & skf21("2","1","2","3","4","4","1","1") = "3"
    & skf21("2","1","2","3","4","4","2","1") = "3"
    & skf21("2","1","2","3","4","4","3","1") = "3"
    & skf21("2","1","2","3","4","4","4","1") = "3"
    & skf21("2","1","2","3","4","4","5","1") = "4"
    & skf21("2","1","2","3","4","4","6","1") = "5"
    & skf21("2","1","2","3","4","4","7","1") = "6"
    & skf21("2","1","2","3","4","5","1","1") = "4"
    & skf21("2","1","2","3","4","5","2","1") = "4"
    & skf21("2","1","2","3","4","5","3","1") = "4"
    & skf21("2","1","2","3","4","5","4","1") = "4"
    & skf21("2","1","2","3","4","5","5","1") = "4"
    & skf21("2","1","2","3","4","5","6","1") = "5"
    & skf21("2","1","2","3","4","5","7","1") = "6"
    & skf21("2","1","2","3","4","6","1","1") = "5"
    & skf21("2","1","2","3","4","6","2","1") = "5"
    & skf21("2","1","2","3","4","6","3","1") = "5"
    & skf21("2","1","2","3","4","6","4","1") = "5"
    & skf21("2","1","2","3","4","6","5","1") = "5"
    & skf21("2","1","2","3","4","6","6","1") = "5"
    & skf21("2","1","2","3","4","6","7","1") = "6"
    & skf21("2","1","2","3","4","7","1","1") = "6"
    & skf21("2","1","2","3","4","7","2","1") = "6"
    & skf21("2","1","2","3","4","7","3","1") = "6"
    & skf21("2","1","2","3","4","7","4","1") = "6"
    & skf21("2","1","2","3","4","7","5","1") = "6"
    & skf21("2","1","2","3","4","7","6","1") = "6"
    & skf21("2","1","2","3","4","7","7","1") = "6"
    & skf21("2","1","2","3","5","1","1","1") = "4"
    & skf21("2","1","2","3","5","1","2","1") = "4"
    & skf21("2","1","2","3","5","1","3","1") = "4"
    & skf21("2","1","2","3","5","1","4","1") = "4"
    & skf21("2","1","2","3","5","1","5","1") = "4"
    & skf21("2","1","2","3","5","1","6","1") = "5"
    & skf21("2","1","2","3","5","1","7","1") = "6"
    & skf21("2","1","2","3","5","2","1","1") = "4"
    & skf21("2","1","2","3","5","2","2","1") = "4"
    & skf21("2","1","2","3","5","2","3","1") = "4"
    & skf21("2","1","2","3","5","2","4","1") = "4"
    & skf21("2","1","2","3","5","2","5","1") = "4"
    & skf21("2","1","2","3","5","2","6","1") = "5"
    & skf21("2","1","2","3","5","2","7","1") = "6"
    & skf21("2","1","2","3","5","3","1","1") = "4"
    & skf21("2","1","2","3","5","3","2","1") = "4"
    & skf21("2","1","2","3","5","3","3","1") = "4"
    & skf21("2","1","2","3","5","3","4","1") = "4"
    & skf21("2","1","2","3","5","3","5","1") = "4"
    & skf21("2","1","2","3","5","3","6","1") = "5"
    & skf21("2","1","2","3","5","3","7","1") = "6"
    & skf21("2","1","2","3","5","4","1","1") = "4"
    & skf21("2","1","2","3","5","4","2","1") = "4"
    & skf21("2","1","2","3","5","4","3","1") = "4"
    & skf21("2","1","2","3","5","4","4","1") = "4"
    & skf21("2","1","2","3","5","4","5","1") = "4"
    & skf21("2","1","2","3","5","4","6","1") = "5"
    & skf21("2","1","2","3","5","4","7","1") = "6"
    & skf21("2","1","2","3","5","5","1","1") = "4"
    & skf21("2","1","2","3","5","5","2","1") = "4"
    & skf21("2","1","2","3","5","5","3","1") = "4"
    & skf21("2","1","2","3","5","5","4","1") = "4"
    & skf21("2","1","2","3","5","5","5","1") = "4"
    & skf21("2","1","2","3","5","5","6","1") = "5"
    & skf21("2","1","2","3","5","5","7","1") = "6"
    & skf21("2","1","2","3","5","6","1","1") = "5"
    & skf21("2","1","2","3","5","6","2","1") = "5"
    & skf21("2","1","2","3","5","6","3","1") = "5"
    & skf21("2","1","2","3","5","6","4","1") = "5"
    & skf21("2","1","2","3","5","6","5","1") = "5"
    & skf21("2","1","2","3","5","6","6","1") = "5"
    & skf21("2","1","2","3","5","6","7","1") = "6"
    & skf21("2","1","2","3","5","7","1","1") = "6"
    & skf21("2","1","2","3","5","7","2","1") = "6"
    & skf21("2","1","2","3","5","7","3","1") = "6"
    & skf21("2","1","2","3","5","7","4","1") = "6"
    & skf21("2","1","2","3","5","7","5","1") = "6"
    & skf21("2","1","2","3","5","7","6","1") = "6"
    & skf21("2","1","2","3","5","7","7","1") = "6"
    & skf21("2","1","2","3","6","1","1","1") = "5"
    & skf21("2","1","2","3","6","1","2","1") = "5"
    & skf21("2","1","2","3","6","1","3","1") = "5"
    & skf21("2","1","2","3","6","1","4","1") = "5"
    & skf21("2","1","2","3","6","1","5","1") = "5"
    & skf21("2","1","2","3","6","1","6","1") = "5"
    & skf21("2","1","2","3","6","1","7","1") = "6"
    & skf21("2","1","2","3","6","2","1","1") = "5"
    & skf21("2","1","2","3","6","2","2","1") = "5"
    & skf21("2","1","2","3","6","2","3","1") = "5"
    & skf21("2","1","2","3","6","2","4","1") = "5"
    & skf21("2","1","2","3","6","2","5","1") = "5"
    & skf21("2","1","2","3","6","2","6","1") = "5"
    & skf21("2","1","2","3","6","2","7","1") = "6"
    & skf21("2","1","2","3","6","3","1","1") = "5"
    & skf21("2","1","2","3","6","3","2","1") = "5"
    & skf21("2","1","2","3","6","3","3","1") = "5"
    & skf21("2","1","2","3","6","3","4","1") = "5"
    & skf21("2","1","2","3","6","3","5","1") = "5"
    & skf21("2","1","2","3","6","3","6","1") = "5"
    & skf21("2","1","2","3","6","3","7","1") = "6"
    & skf21("2","1","2","3","6","4","1","1") = "5"
    & skf21("2","1","2","3","6","4","2","1") = "5"
    & skf21("2","1","2","3","6","4","3","1") = "5"
    & skf21("2","1","2","3","6","4","4","1") = "5"
    & skf21("2","1","2","3","6","4","5","1") = "5"
    & skf21("2","1","2","3","6","4","6","1") = "5"
    & skf21("2","1","2","3","6","4","7","1") = "6"
    & skf21("2","1","2","3","6","5","1","1") = "5"
    & skf21("2","1","2","3","6","5","2","1") = "5"
    & skf21("2","1","2","3","6","5","3","1") = "5"
    & skf21("2","1","2","3","6","5","4","1") = "5"
    & skf21("2","1","2","3","6","5","5","1") = "5"
    & skf21("2","1","2","3","6","5","6","1") = "5"
    & skf21("2","1","2","3","6","5","7","1") = "6"
    & skf21("2","1","2","3","6","6","1","1") = "5"
    & skf21("2","1","2","3","6","6","2","1") = "5"
    & skf21("2","1","2","3","6","6","3","1") = "5"
    & skf21("2","1","2","3","6","6","4","1") = "5"
    & skf21("2","1","2","3","6","6","5","1") = "5"
    & skf21("2","1","2","3","6","6","6","1") = "5"
    & skf21("2","1","2","3","6","6","7","1") = "6"
    & skf21("2","1","2","3","6","7","1","1") = "6"
    & skf21("2","1","2","3","6","7","2","1") = "6"
    & skf21("2","1","2","3","6","7","3","1") = "6"
    & skf21("2","1","2","3","6","7","4","1") = "6"
    & skf21("2","1","2","3","6","7","5","1") = "6"
    & skf21("2","1","2","3","6","7","6","1") = "6"
    & skf21("2","1","2","3","6","7","7","1") = "6"
    & skf21("2","1","2","3","7","1","1","1") = "6"
    & skf21("2","1","2","3","7","1","2","1") = "6"
    & skf21("2","1","2","3","7","1","3","1") = "6"
    & skf21("2","1","2","3","7","1","4","1") = "6"
    & skf21("2","1","2","3","7","1","5","1") = "6"
    & skf21("2","1","2","3","7","1","6","1") = "6"
    & skf21("2","1","2","3","7","1","7","1") = "6"
    & skf21("2","1","2","3","7","2","1","1") = "6"
    & skf21("2","1","2","3","7","2","2","1") = "6"
    & skf21("2","1","2","3","7","2","3","1") = "6"
    & skf21("2","1","2","3","7","2","4","1") = "6"
    & skf21("2","1","2","3","7","2","5","1") = "6"
    & skf21("2","1","2","3","7","2","6","1") = "6"
    & skf21("2","1","2","3","7","2","7","1") = "6"
    & skf21("2","1","2","3","7","3","1","1") = "6"
    & skf21("2","1","2","3","7","3","2","1") = "6"
    & skf21("2","1","2","3","7","3","3","1") = "6"
    & skf21("2","1","2","3","7","3","4","1") = "6"
    & skf21("2","1","2","3","7","3","5","1") = "6"
    & skf21("2","1","2","3","7","3","6","1") = "6"
    & skf21("2","1","2","3","7","3","7","1") = "6"
    & skf21("2","1","2","3","7","4","1","1") = "6"
    & skf21("2","1","2","3","7","4","2","1") = "6"
    & skf21("2","1","2","3","7","4","3","1") = "6"
    & skf21("2","1","2","3","7","4","4","1") = "6"
    & skf21("2","1","2","3","7","4","5","1") = "6"
    & skf21("2","1","2","3","7","4","6","1") = "6"
    & skf21("2","1","2","3","7","4","7","1") = "6"
    & skf21("2","1","2","3","7","5","1","1") = "6"
    & skf21("2","1","2","3","7","5","2","1") = "6"
    & skf21("2","1","2","3","7","5","3","1") = "6"
    & skf21("2","1","2","3","7","5","4","1") = "6"
    & skf21("2","1","2","3","7","5","5","1") = "6"
    & skf21("2","1","2","3","7","5","6","1") = "6"
    & skf21("2","1","2","3","7","5","7","1") = "6"
    & skf21("2","1","2","3","7","6","1","1") = "6"
    & skf21("2","1","2","3","7","6","2","1") = "6"
    & skf21("2","1","2","3","7","6","3","1") = "6"
    & skf21("2","1","2","3","7","6","4","1") = "6"
    & skf21("2","1","2","3","7","6","5","1") = "6"
    & skf21("2","1","2","3","7","6","6","1") = "6"
    & skf21("2","1","2","3","7","6","7","1") = "6"
    & skf21("2","1","2","3","7","7","1","1") = "6"
    & skf21("2","1","2","3","7","7","2","1") = "6"
    & skf21("2","1","2","3","7","7","3","1") = "6"
    & skf21("2","1","2","3","7","7","4","1") = "6"
    & skf21("2","1","2","3","7","7","5","1") = "6"
    & skf21("2","1","2","3","7","7","6","1") = "6"
    & skf21("2","1","2","3","7","7","7","1") = "6"
    & skf21("2","1","2","4","1","1","1","1") = "3"
    & skf21("2","1","2","4","1","1","2","1") = "3"
    & skf21("2","1","2","4","1","1","3","1") = "3"
    & skf21("2","1","2","4","1","1","4","1") = "3"
    & skf21("2","1","2","4","1","1","5","1") = "4"
    & skf21("2","1","2","4","1","1","6","1") = "5"
    & skf21("2","1","2","4","1","1","7","1") = "6"
    & skf21("2","1","2","4","1","2","1","1") = "3"
    & skf21("2","1","2","4","1","2","2","1") = "3"
    & skf21("2","1","2","4","1","2","3","1") = "3"
    & skf21("2","1","2","4","1","2","4","1") = "3"
    & skf21("2","1","2","4","1","2","5","1") = "4"
    & skf21("2","1","2","4","1","2","6","1") = "5"
    & skf21("2","1","2","4","1","2","7","1") = "6"
    & skf21("2","1","2","4","1","3","1","1") = "3"
    & skf21("2","1","2","4","1","3","2","1") = "3"
    & skf21("2","1","2","4","1","3","3","1") = "3"
    & skf21("2","1","2","4","1","3","4","1") = "3"
    & skf21("2","1","2","4","1","3","5","1") = "4"
    & skf21("2","1","2","4","1","3","6","1") = "5"
    & skf21("2","1","2","4","1","3","7","1") = "6"
    & skf21("2","1","2","4","1","4","1","1") = "3"
    & skf21("2","1","2","4","1","4","2","1") = "3"
    & skf21("2","1","2","4","1","4","3","1") = "3"
    & skf21("2","1","2","4","1","4","4","1") = "3"
    & skf21("2","1","2","4","1","4","5","1") = "4"
    & skf21("2","1","2","4","1","4","6","1") = "5"
    & skf21("2","1","2","4","1","4","7","1") = "6"
    & skf21("2","1","2","4","1","5","1","1") = "4"
    & skf21("2","1","2","4","1","5","2","1") = "4"
    & skf21("2","1","2","4","1","5","3","1") = "4"
    & skf21("2","1","2","4","1","5","4","1") = "4"
    & skf21("2","1","2","4","1","5","5","1") = "4"
    & skf21("2","1","2","4","1","5","6","1") = "5"
    & skf21("2","1","2","4","1","5","7","1") = "6"
    & skf21("2","1","2","4","1","6","1","1") = "5"
    & skf21("2","1","2","4","1","6","2","1") = "5"
    & skf21("2","1","2","4","1","6","3","1") = "5"
    & skf21("2","1","2","4","1","6","4","1") = "5"
    & skf21("2","1","2","4","1","6","5","1") = "5"
    & skf21("2","1","2","4","1","6","6","1") = "5"
    & skf21("2","1","2","4","1","6","7","1") = "6"
    & skf21("2","1","2","4","1","7","1","1") = "6"
    & skf21("2","1","2","4","1","7","2","1") = "6"
    & skf21("2","1","2","4","1","7","3","1") = "6"
    & skf21("2","1","2","4","1","7","4","1") = "6"
    & skf21("2","1","2","4","1","7","5","1") = "6"
    & skf21("2","1","2","4","1","7","6","1") = "6"
    & skf21("2","1","2","4","1","7","7","1") = "6"
    & skf21("2","1","2","4","2","1","1","1") = "3"
    & skf21("2","1","2","4","2","1","2","1") = "3"
    & skf21("2","1","2","4","2","1","3","1") = "3"
    & skf21("2","1","2","4","2","1","4","1") = "3"
    & skf21("2","1","2","4","2","1","5","1") = "4"
    & skf21("2","1","2","4","2","1","6","1") = "5"
    & skf21("2","1","2","4","2","1","7","1") = "6"
    & skf21("2","1","2","4","2","2","1","1") = "3"
    & skf21("2","1","2","4","2","2","2","1") = "3"
    & skf21("2","1","2","4","2","2","3","1") = "3"
    & skf21("2","1","2","4","2","2","4","1") = "3"
    & skf21("2","1","2","4","2","2","5","1") = "4"
    & skf21("2","1","2","4","2","2","6","1") = "5"
    & skf21("2","1","2","4","2","2","7","1") = "6"
    & skf21("2","1","2","4","2","3","1","1") = "3"
    & skf21("2","1","2","4","2","3","2","1") = "3"
    & skf21("2","1","2","4","2","3","3","1") = "3"
    & skf21("2","1","2","4","2","3","4","1") = "3"
    & skf21("2","1","2","4","2","3","5","1") = "4"
    & skf21("2","1","2","4","2","3","6","1") = "5"
    & skf21("2","1","2","4","2","3","7","1") = "6"
    & skf21("2","1","2","4","2","4","1","1") = "3"
    & skf21("2","1","2","4","2","4","2","1") = "3"
    & skf21("2","1","2","4","2","4","3","1") = "3"
    & skf21("2","1","2","4","2","4","4","1") = "3"
    & skf21("2","1","2","4","2","4","5","1") = "4"
    & skf21("2","1","2","4","2","4","6","1") = "5"
    & skf21("2","1","2","4","2","4","7","1") = "6"
    & skf21("2","1","2","4","2","5","1","1") = "4"
    & skf21("2","1","2","4","2","5","2","1") = "4"
    & skf21("2","1","2","4","2","5","3","1") = "4"
    & skf21("2","1","2","4","2","5","4","1") = "4"
    & skf21("2","1","2","4","2","5","5","1") = "4"
    & skf21("2","1","2","4","2","5","6","1") = "5"
    & skf21("2","1","2","4","2","5","7","1") = "6"
    & skf21("2","1","2","4","2","6","1","1") = "5"
    & skf21("2","1","2","4","2","6","2","1") = "5"
    & skf21("2","1","2","4","2","6","3","1") = "5"
    & skf21("2","1","2","4","2","6","4","1") = "5"
    & skf21("2","1","2","4","2","6","5","1") = "5"
    & skf21("2","1","2","4","2","6","6","1") = "5"
    & skf21("2","1","2","4","2","6","7","1") = "6"
    & skf21("2","1","2","4","2","7","1","1") = "6"
    & skf21("2","1","2","4","2","7","2","1") = "6"
    & skf21("2","1","2","4","2","7","3","1") = "6"
    & skf21("2","1","2","4","2","7","4","1") = "6"
    & skf21("2","1","2","4","2","7","5","1") = "6"
    & skf21("2","1","2","4","2","7","6","1") = "6"
    & skf21("2","1","2","4","2","7","7","1") = "6"
    & skf21("2","1","2","4","3","1","1","1") = "3"
    & skf21("2","1","2","4","3","1","2","1") = "3"
    & skf21("2","1","2","4","3","1","3","1") = "3"
    & skf21("2","1","2","4","3","1","4","1") = "3"
    & skf21("2","1","2","4","3","1","5","1") = "4"
    & skf21("2","1","2","4","3","1","6","1") = "5"
    & skf21("2","1","2","4","3","1","7","1") = "6"
    & skf21("2","1","2","4","3","2","1","1") = "3"
    & skf21("2","1","2","4","3","2","2","1") = "3"
    & skf21("2","1","2","4","3","2","3","1") = "3"
    & skf21("2","1","2","4","3","2","4","1") = "3"
    & skf21("2","1","2","4","3","2","5","1") = "4"
    & skf21("2","1","2","4","3","2","6","1") = "5"
    & skf21("2","1","2","4","3","2","7","1") = "6"
    & skf21("2","1","2","4","3","3","1","1") = "3"
    & skf21("2","1","2","4","3","3","2","1") = "3"
    & skf21("2","1","2","4","3","3","3","1") = "3"
    & skf21("2","1","2","4","3","3","4","1") = "3"
    & skf21("2","1","2","4","3","3","5","1") = "4"
    & skf21("2","1","2","4","3","3","6","1") = "5"
    & skf21("2","1","2","4","3","3","7","1") = "6"
    & skf21("2","1","2","4","3","4","1","1") = "3"
    & skf21("2","1","2","4","3","4","2","1") = "3"
    & skf21("2","1","2","4","3","4","3","1") = "3"
    & skf21("2","1","2","4","3","4","4","1") = "3"
    & skf21("2","1","2","4","3","4","5","1") = "4"
    & skf21("2","1","2","4","3","4","6","1") = "5"
    & skf21("2","1","2","4","3","4","7","1") = "6"
    & skf21("2","1","2","4","3","5","1","1") = "4"
    & skf21("2","1","2","4","3","5","2","1") = "4"
    & skf21("2","1","2","4","3","5","3","1") = "4"
    & skf21("2","1","2","4","3","5","4","1") = "4"
    & skf21("2","1","2","4","3","5","5","1") = "4"
    & skf21("2","1","2","4","3","5","6","1") = "5"
    & skf21("2","1","2","4","3","5","7","1") = "6"
    & skf21("2","1","2","4","3","6","1","1") = "5"
    & skf21("2","1","2","4","3","6","2","1") = "5"
    & skf21("2","1","2","4","3","6","3","1") = "5"
    & skf21("2","1","2","4","3","6","4","1") = "5"
    & skf21("2","1","2","4","3","6","5","1") = "5"
    & skf21("2","1","2","4","3","6","6","1") = "5"
    & skf21("2","1","2","4","3","6","7","1") = "6"
    & skf21("2","1","2","4","3","7","1","1") = "6"
    & skf21("2","1","2","4","3","7","2","1") = "6"
    & skf21("2","1","2","4","3","7","3","1") = "6"
    & skf21("2","1","2","4","3","7","4","1") = "6"
    & skf21("2","1","2","4","3","7","5","1") = "6"
    & skf21("2","1","2","4","3","7","6","1") = "6"
    & skf21("2","1","2","4","3","7","7","1") = "6"
    & skf21("2","1","2","4","4","1","1","1") = "3"
    & skf21("2","1","2","4","4","1","2","1") = "3"
    & skf21("2","1","2","4","4","1","3","1") = "3"
    & skf21("2","1","2","4","4","1","4","1") = "3"
    & skf21("2","1","2","4","4","1","5","1") = "4"
    & skf21("2","1","2","4","4","1","6","1") = "5"
    & skf21("2","1","2","4","4","1","7","1") = "6"
    & skf21("2","1","2","4","4","2","1","1") = "3"
    & skf21("2","1","2","4","4","2","2","1") = "3"
    & skf21("2","1","2","4","4","2","3","1") = "3"
    & skf21("2","1","2","4","4","2","4","1") = "3"
    & skf21("2","1","2","4","4","2","5","1") = "4"
    & skf21("2","1","2","4","4","2","6","1") = "5"
    & skf21("2","1","2","4","4","2","7","1") = "6"
    & skf21("2","1","2","4","4","3","1","1") = "3"
    & skf21("2","1","2","4","4","3","2","1") = "3"
    & skf21("2","1","2","4","4","3","3","1") = "3"
    & skf21("2","1","2","4","4","3","4","1") = "3"
    & skf21("2","1","2","4","4","3","5","1") = "4"
    & skf21("2","1","2","4","4","3","6","1") = "5"
    & skf21("2","1","2","4","4","3","7","1") = "6"
    & skf21("2","1","2","4","4","4","1","1") = "3"
    & skf21("2","1","2","4","4","4","2","1") = "3"
    & skf21("2","1","2","4","4","4","3","1") = "3"
    & skf21("2","1","2","4","4","4","4","1") = "3"
    & skf21("2","1","2","4","4","4","5","1") = "4"
    & skf21("2","1","2","4","4","4","6","1") = "5"
    & skf21("2","1","2","4","4","4","7","1") = "6"
    & skf21("2","1","2","4","4","5","1","1") = "4"
    & skf21("2","1","2","4","4","5","2","1") = "4"
    & skf21("2","1","2","4","4","5","3","1") = "4"
    & skf21("2","1","2","4","4","5","4","1") = "4"
    & skf21("2","1","2","4","4","5","5","1") = "4"
    & skf21("2","1","2","4","4","5","6","1") = "5"
    & skf21("2","1","2","4","4","5","7","1") = "6"
    & skf21("2","1","2","4","4","6","1","1") = "5"
    & skf21("2","1","2","4","4","6","2","1") = "5"
    & skf21("2","1","2","4","4","6","3","1") = "5"
    & skf21("2","1","2","4","4","6","4","1") = "5"
    & skf21("2","1","2","4","4","6","5","1") = "5"
    & skf21("2","1","2","4","4","6","6","1") = "5"
    & skf21("2","1","2","4","4","6","7","1") = "6"
    & skf21("2","1","2","4","4","7","1","1") = "6"
    & skf21("2","1","2","4","4","7","2","1") = "6"
    & skf21("2","1","2","4","4","7","3","1") = "6"
    & skf21("2","1","2","4","4","7","4","1") = "6"
    & skf21("2","1","2","4","4","7","5","1") = "6"
    & skf21("2","1","2","4","4","7","6","1") = "6"
    & skf21("2","1","2","4","4","7","7","1") = "6"
    & skf21("2","1","2","4","5","1","1","1") = "4"
    & skf21("2","1","2","4","5","1","2","1") = "4"
    & skf21("2","1","2","4","5","1","3","1") = "4"
    & skf21("2","1","2","4","5","1","4","1") = "4"
    & skf21("2","1","2","4","5","1","5","1") = "4"
    & skf21("2","1","2","4","5","1","6","1") = "5"
    & skf21("2","1","2","4","5","1","7","1") = "6"
    & skf21("2","1","2","4","5","2","1","1") = "4"
    & skf21("2","1","2","4","5","2","2","1") = "4"
    & skf21("2","1","2","4","5","2","3","1") = "4"
    & skf21("2","1","2","4","5","2","4","1") = "4"
    & skf21("2","1","2","4","5","2","5","1") = "4"
    & skf21("2","1","2","4","5","2","6","1") = "5"
    & skf21("2","1","2","4","5","2","7","1") = "6"
    & skf21("2","1","2","4","5","3","1","1") = "4"
    & skf21("2","1","2","4","5","3","2","1") = "4"
    & skf21("2","1","2","4","5","3","3","1") = "4"
    & skf21("2","1","2","4","5","3","4","1") = "4"
    & skf21("2","1","2","4","5","3","5","1") = "4"
    & skf21("2","1","2","4","5","3","6","1") = "5"
    & skf21("2","1","2","4","5","3","7","1") = "6"
    & skf21("2","1","2","4","5","4","1","1") = "4"
    & skf21("2","1","2","4","5","4","2","1") = "4"
    & skf21("2","1","2","4","5","4","3","1") = "4"
    & skf21("2","1","2","4","5","4","4","1") = "4"
    & skf21("2","1","2","4","5","4","5","1") = "4"
    & skf21("2","1","2","4","5","4","6","1") = "5"
    & skf21("2","1","2","4","5","4","7","1") = "6"
    & skf21("2","1","2","4","5","5","1","1") = "4"
    & skf21("2","1","2","4","5","5","2","1") = "4"
    & skf21("2","1","2","4","5","5","3","1") = "4"
    & skf21("2","1","2","4","5","5","4","1") = "4"
    & skf21("2","1","2","4","5","5","5","1") = "4"
    & skf21("2","1","2","4","5","5","6","1") = "5"
    & skf21("2","1","2","4","5","5","7","1") = "6"
    & skf21("2","1","2","4","5","6","1","1") = "5"
    & skf21("2","1","2","4","5","6","2","1") = "5"
    & skf21("2","1","2","4","5","6","3","1") = "5"
    & skf21("2","1","2","4","5","6","4","1") = "5"
    & skf21("2","1","2","4","5","6","5","1") = "5"
    & skf21("2","1","2","4","5","6","6","1") = "5"
    & skf21("2","1","2","4","5","6","7","1") = "6"
    & skf21("2","1","2","4","5","7","1","1") = "6"
    & skf21("2","1","2","4","5","7","2","1") = "6"
    & skf21("2","1","2","4","5","7","3","1") = "6"
    & skf21("2","1","2","4","5","7","4","1") = "6"
    & skf21("2","1","2","4","5","7","5","1") = "6"
    & skf21("2","1","2","4","5","7","6","1") = "6"
    & skf21("2","1","2","4","5","7","7","1") = "6"
    & skf21("2","1","2","4","6","1","1","1") = "5"
    & skf21("2","1","2","4","6","1","2","1") = "5"
    & skf21("2","1","2","4","6","1","3","1") = "5"
    & skf21("2","1","2","4","6","1","4","1") = "5"
    & skf21("2","1","2","4","6","1","5","1") = "5"
    & skf21("2","1","2","4","6","1","6","1") = "5"
    & skf21("2","1","2","4","6","1","7","1") = "6"
    & skf21("2","1","2","4","6","2","1","1") = "5"
    & skf21("2","1","2","4","6","2","2","1") = "5"
    & skf21("2","1","2","4","6","2","3","1") = "5"
    & skf21("2","1","2","4","6","2","4","1") = "5"
    & skf21("2","1","2","4","6","2","5","1") = "5"
    & skf21("2","1","2","4","6","2","6","1") = "5"
    & skf21("2","1","2","4","6","2","7","1") = "6"
    & skf21("2","1","2","4","6","3","1","1") = "5"
    & skf21("2","1","2","4","6","3","2","1") = "5"
    & skf21("2","1","2","4","6","3","3","1") = "5"
    & skf21("2","1","2","4","6","3","4","1") = "5"
    & skf21("2","1","2","4","6","3","5","1") = "5"
    & skf21("2","1","2","4","6","3","6","1") = "5"
    & skf21("2","1","2","4","6","3","7","1") = "6"
    & skf21("2","1","2","4","6","4","1","1") = "5"
    & skf21("2","1","2","4","6","4","2","1") = "5"
    & skf21("2","1","2","4","6","4","3","1") = "5"
    & skf21("2","1","2","4","6","4","4","1") = "5"
    & skf21("2","1","2","4","6","4","5","1") = "5"
    & skf21("2","1","2","4","6","4","6","1") = "5"
    & skf21("2","1","2","4","6","4","7","1") = "6"
    & skf21("2","1","2","4","6","5","1","1") = "5"
    & skf21("2","1","2","4","6","5","2","1") = "5"
    & skf21("2","1","2","4","6","5","3","1") = "5"
    & skf21("2","1","2","4","6","5","4","1") = "5"
    & skf21("2","1","2","4","6","5","5","1") = "5"
    & skf21("2","1","2","4","6","5","6","1") = "5"
    & skf21("2","1","2","4","6","5","7","1") = "6"
    & skf21("2","1","2","4","6","6","1","1") = "5"
    & skf21("2","1","2","4","6","6","2","1") = "5"
    & skf21("2","1","2","4","6","6","3","1") = "5"
    & skf21("2","1","2","4","6","6","4","1") = "5"
    & skf21("2","1","2","4","6","6","5","1") = "5"
    & skf21("2","1","2","4","6","6","6","1") = "5"
    & skf21("2","1","2","4","6","6","7","1") = "6"
    & skf21("2","1","2","4","6","7","1","1") = "6"
    & skf21("2","1","2","4","6","7","2","1") = "6"
    & skf21("2","1","2","4","6","7","3","1") = "6"
    & skf21("2","1","2","4","6","7","4","1") = "6"
    & skf21("2","1","2","4","6","7","5","1") = "6"
    & skf21("2","1","2","4","6","7","6","1") = "6"
    & skf21("2","1","2","4","6","7","7","1") = "6"
    & skf21("2","1","2","4","7","1","1","1") = "6"
    & skf21("2","1","2","4","7","1","2","1") = "6"
    & skf21("2","1","2","4","7","1","3","1") = "6"
    & skf21("2","1","2","4","7","1","4","1") = "6"
    & skf21("2","1","2","4","7","1","5","1") = "6"
    & skf21("2","1","2","4","7","1","6","1") = "6"
    & skf21("2","1","2","4","7","1","7","1") = "6"
    & skf21("2","1","2","4","7","2","1","1") = "6"
    & skf21("2","1","2","4","7","2","2","1") = "6"
    & skf21("2","1","2","4","7","2","3","1") = "6"
    & skf21("2","1","2","4","7","2","4","1") = "6"
    & skf21("2","1","2","4","7","2","5","1") = "6"
    & skf21("2","1","2","4","7","2","6","1") = "6"
    & skf21("2","1","2","4","7","2","7","1") = "6"
    & skf21("2","1","2","4","7","3","1","1") = "6"
    & skf21("2","1","2","4","7","3","2","1") = "6"
    & skf21("2","1","2","4","7","3","3","1") = "6"
    & skf21("2","1","2","4","7","3","4","1") = "6"
    & skf21("2","1","2","4","7","3","5","1") = "6"
    & skf21("2","1","2","4","7","3","6","1") = "6"
    & skf21("2","1","2","4","7","3","7","1") = "6"
    & skf21("2","1","2","4","7","4","1","1") = "6"
    & skf21("2","1","2","4","7","4","2","1") = "6"
    & skf21("2","1","2","4","7","4","3","1") = "6"
    & skf21("2","1","2","4","7","4","4","1") = "6"
    & skf21("2","1","2","4","7","4","5","1") = "6"
    & skf21("2","1","2","4","7","4","6","1") = "6"
    & skf21("2","1","2","4","7","4","7","1") = "6"
    & skf21("2","1","2","4","7","5","1","1") = "6"
    & skf21("2","1","2","4","7","5","2","1") = "6"
    & skf21("2","1","2","4","7","5","3","1") = "6"
    & skf21("2","1","2","4","7","5","4","1") = "6"
    & skf21("2","1","2","4","7","5","5","1") = "6"
    & skf21("2","1","2","4","7","5","6","1") = "6"
    & skf21("2","1","2","4","7","5","7","1") = "6"
    & skf21("2","1","2","4","7","6","1","1") = "6"
    & skf21("2","1","2","4","7","6","2","1") = "6"
    & skf21("2","1","2","4","7","6","3","1") = "6"
    & skf21("2","1","2","4","7","6","4","1") = "6"
    & skf21("2","1","2","4","7","6","5","1") = "6"
    & skf21("2","1","2","4","7","6","6","1") = "6"
    & skf21("2","1","2","4","7","6","7","1") = "6"
    & skf21("2","1","2","4","7","7","1","1") = "6"
    & skf21("2","1","2","4","7","7","2","1") = "6"
    & skf21("2","1","2","4","7","7","3","1") = "6"
    & skf21("2","1","2","4","7","7","4","1") = "6"
    & skf21("2","1","2","4","7","7","5","1") = "6"
    & skf21("2","1","2","4","7","7","6","1") = "6"
    & skf21("2","1","2","4","7","7","7","1") = "6"
    & skf21("2","1","2","5","1","1","1","1") = "4"
    & skf21("2","1","2","5","1","1","2","1") = "4"
    & skf21("2","1","2","5","1","1","3","1") = "4"
    & skf21("2","1","2","5","1","1","4","1") = "4"
    & skf21("2","1","2","5","1","1","5","1") = "4"
    & skf21("2","1","2","5","1","1","6","1") = "5"
    & skf21("2","1","2","5","1","1","7","1") = "6"
    & skf21("2","1","2","5","1","2","1","1") = "4"
    & skf21("2","1","2","5","1","2","2","1") = "4"
    & skf21("2","1","2","5","1","2","3","1") = "4"
    & skf21("2","1","2","5","1","2","4","1") = "4"
    & skf21("2","1","2","5","1","2","5","1") = "4"
    & skf21("2","1","2","5","1","2","6","1") = "5"
    & skf21("2","1","2","5","1","2","7","1") = "6"
    & skf21("2","1","2","5","1","3","1","1") = "4"
    & skf21("2","1","2","5","1","3","2","1") = "4"
    & skf21("2","1","2","5","1","3","3","1") = "4"
    & skf21("2","1","2","5","1","3","4","1") = "4"
    & skf21("2","1","2","5","1","3","5","1") = "4"
    & skf21("2","1","2","5","1","3","6","1") = "5"
    & skf21("2","1","2","5","1","3","7","1") = "6"
    & skf21("2","1","2","5","1","4","1","1") = "4"
    & skf21("2","1","2","5","1","4","2","1") = "4"
    & skf21("2","1","2","5","1","4","3","1") = "4"
    & skf21("2","1","2","5","1","4","4","1") = "4"
    & skf21("2","1","2","5","1","4","5","1") = "4"
    & skf21("2","1","2","5","1","4","6","1") = "5"
    & skf21("2","1","2","5","1","4","7","1") = "6"
    & skf21("2","1","2","5","1","5","1","1") = "4"
    & skf21("2","1","2","5","1","5","2","1") = "4"
    & skf21("2","1","2","5","1","5","3","1") = "4"
    & skf21("2","1","2","5","1","5","4","1") = "4"
    & skf21("2","1","2","5","1","5","5","1") = "4"
    & skf21("2","1","2","5","1","5","6","1") = "5"
    & skf21("2","1","2","5","1","5","7","1") = "6"
    & skf21("2","1","2","5","1","6","1","1") = "5"
    & skf21("2","1","2","5","1","6","2","1") = "5"
    & skf21("2","1","2","5","1","6","3","1") = "5"
    & skf21("2","1","2","5","1","6","4","1") = "5"
    & skf21("2","1","2","5","1","6","5","1") = "5"
    & skf21("2","1","2","5","1","6","6","1") = "5"
    & skf21("2","1","2","5","1","6","7","1") = "6"
    & skf21("2","1","2","5","1","7","1","1") = "6"
    & skf21("2","1","2","5","1","7","2","1") = "6"
    & skf21("2","1","2","5","1","7","3","1") = "6"
    & skf21("2","1","2","5","1","7","4","1") = "6"
    & skf21("2","1","2","5","1","7","5","1") = "6"
    & skf21("2","1","2","5","1","7","6","1") = "6"
    & skf21("2","1","2","5","1","7","7","1") = "6"
    & skf21("2","1","2","5","2","1","1","1") = "4"
    & skf21("2","1","2","5","2","1","2","1") = "4"
    & skf21("2","1","2","5","2","1","3","1") = "4"
    & skf21("2","1","2","5","2","1","4","1") = "4"
    & skf21("2","1","2","5","2","1","5","1") = "4"
    & skf21("2","1","2","5","2","1","6","1") = "5"
    & skf21("2","1","2","5","2","1","7","1") = "6"
    & skf21("2","1","2","5","2","2","1","1") = "4"
    & skf21("2","1","2","5","2","2","2","1") = "4"
    & skf21("2","1","2","5","2","2","3","1") = "4"
    & skf21("2","1","2","5","2","2","4","1") = "4"
    & skf21("2","1","2","5","2","2","5","1") = "4"
    & skf21("2","1","2","5","2","2","6","1") = "5"
    & skf21("2","1","2","5","2","2","7","1") = "6"
    & skf21("2","1","2","5","2","3","1","1") = "4"
    & skf21("2","1","2","5","2","3","2","1") = "4"
    & skf21("2","1","2","5","2","3","3","1") = "4"
    & skf21("2","1","2","5","2","3","4","1") = "4"
    & skf21("2","1","2","5","2","3","5","1") = "4"
    & skf21("2","1","2","5","2","3","6","1") = "5"
    & skf21("2","1","2","5","2","3","7","1") = "6"
    & skf21("2","1","2","5","2","4","1","1") = "4"
    & skf21("2","1","2","5","2","4","2","1") = "4"
    & skf21("2","1","2","5","2","4","3","1") = "4"
    & skf21("2","1","2","5","2","4","4","1") = "4"
    & skf21("2","1","2","5","2","4","5","1") = "4"
    & skf21("2","1","2","5","2","4","6","1") = "5"
    & skf21("2","1","2","5","2","4","7","1") = "6"
    & skf21("2","1","2","5","2","5","1","1") = "4"
    & skf21("2","1","2","5","2","5","2","1") = "4"
    & skf21("2","1","2","5","2","5","3","1") = "4"
    & skf21("2","1","2","5","2","5","4","1") = "4"
    & skf21("2","1","2","5","2","5","5","1") = "4"
    & skf21("2","1","2","5","2","5","6","1") = "5"
    & skf21("2","1","2","5","2","5","7","1") = "6"
    & skf21("2","1","2","5","2","6","1","1") = "5"
    & skf21("2","1","2","5","2","6","2","1") = "5"
    & skf21("2","1","2","5","2","6","3","1") = "5"
    & skf21("2","1","2","5","2","6","4","1") = "5"
    & skf21("2","1","2","5","2","6","5","1") = "5"
    & skf21("2","1","2","5","2","6","6","1") = "5"
    & skf21("2","1","2","5","2","6","7","1") = "6"
    & skf21("2","1","2","5","2","7","1","1") = "6"
    & skf21("2","1","2","5","2","7","2","1") = "6"
    & skf21("2","1","2","5","2","7","3","1") = "6"
    & skf21("2","1","2","5","2","7","4","1") = "6"
    & skf21("2","1","2","5","2","7","5","1") = "6"
    & skf21("2","1","2","5","2","7","6","1") = "6"
    & skf21("2","1","2","5","2","7","7","1") = "6"
    & skf21("2","1","2","5","3","1","1","1") = "4"
    & skf21("2","1","2","5","3","1","2","1") = "4"
    & skf21("2","1","2","5","3","1","3","1") = "4"
    & skf21("2","1","2","5","3","1","4","1") = "4"
    & skf21("2","1","2","5","3","1","5","1") = "4"
    & skf21("2","1","2","5","3","1","6","1") = "5"
    & skf21("2","1","2","5","3","1","7","1") = "6"
    & skf21("2","1","2","5","3","2","1","1") = "4"
    & skf21("2","1","2","5","3","2","2","1") = "4"
    & skf21("2","1","2","5","3","2","3","1") = "4"
    & skf21("2","1","2","5","3","2","4","1") = "4"
    & skf21("2","1","2","5","3","2","5","1") = "4"
    & skf21("2","1","2","5","3","2","6","1") = "5"
    & skf21("2","1","2","5","3","2","7","1") = "6"
    & skf21("2","1","2","5","3","3","1","1") = "4"
    & skf21("2","1","2","5","3","3","2","1") = "4"
    & skf21("2","1","2","5","3","3","3","1") = "4"
    & skf21("2","1","2","5","3","3","4","1") = "4"
    & skf21("2","1","2","5","3","3","5","1") = "4"
    & skf21("2","1","2","5","3","3","6","1") = "5"
    & skf21("2","1","2","5","3","3","7","1") = "6"
    & skf21("2","1","2","5","3","4","1","1") = "4"
    & skf21("2","1","2","5","3","4","2","1") = "4"
    & skf21("2","1","2","5","3","4","3","1") = "4"
    & skf21("2","1","2","5","3","4","4","1") = "4"
    & skf21("2","1","2","5","3","4","5","1") = "4"
    & skf21("2","1","2","5","3","4","6","1") = "5"
    & skf21("2","1","2","5","3","4","7","1") = "6"
    & skf21("2","1","2","5","3","5","1","1") = "4"
    & skf21("2","1","2","5","3","5","2","1") = "4"
    & skf21("2","1","2","5","3","5","3","1") = "4"
    & skf21("2","1","2","5","3","5","4","1") = "4"
    & skf21("2","1","2","5","3","5","5","1") = "4"
    & skf21("2","1","2","5","3","5","6","1") = "5"
    & skf21("2","1","2","5","3","5","7","1") = "6"
    & skf21("2","1","2","5","3","6","1","1") = "5"
    & skf21("2","1","2","5","3","6","2","1") = "5"
    & skf21("2","1","2","5","3","6","3","1") = "5"
    & skf21("2","1","2","5","3","6","4","1") = "5"
    & skf21("2","1","2","5","3","6","5","1") = "5"
    & skf21("2","1","2","5","3","6","6","1") = "5"
    & skf21("2","1","2","5","3","6","7","1") = "6"
    & skf21("2","1","2","5","3","7","1","1") = "6"
    & skf21("2","1","2","5","3","7","2","1") = "6"
    & skf21("2","1","2","5","3","7","3","1") = "6"
    & skf21("2","1","2","5","3","7","4","1") = "6"
    & skf21("2","1","2","5","3","7","5","1") = "6"
    & skf21("2","1","2","5","3","7","6","1") = "6"
    & skf21("2","1","2","5","3","7","7","1") = "6"
    & skf21("2","1","2","5","4","1","1","1") = "4"
    & skf21("2","1","2","5","4","1","2","1") = "4"
    & skf21("2","1","2","5","4","1","3","1") = "4"
    & skf21("2","1","2","5","4","1","4","1") = "4"
    & skf21("2","1","2","5","4","1","5","1") = "4"
    & skf21("2","1","2","5","4","1","6","1") = "5"
    & skf21("2","1","2","5","4","1","7","1") = "6"
    & skf21("2","1","2","5","4","2","1","1") = "4"
    & skf21("2","1","2","5","4","2","2","1") = "4"
    & skf21("2","1","2","5","4","2","3","1") = "4"
    & skf21("2","1","2","5","4","2","4","1") = "4"
    & skf21("2","1","2","5","4","2","5","1") = "4"
    & skf21("2","1","2","5","4","2","6","1") = "5"
    & skf21("2","1","2","5","4","2","7","1") = "6"
    & skf21("2","1","2","5","4","3","1","1") = "4"
    & skf21("2","1","2","5","4","3","2","1") = "4"
    & skf21("2","1","2","5","4","3","3","1") = "4"
    & skf21("2","1","2","5","4","3","4","1") = "4"
    & skf21("2","1","2","5","4","3","5","1") = "4"
    & skf21("2","1","2","5","4","3","6","1") = "5"
    & skf21("2","1","2","5","4","3","7","1") = "6"
    & skf21("2","1","2","5","4","4","1","1") = "4"
    & skf21("2","1","2","5","4","4","2","1") = "4"
    & skf21("2","1","2","5","4","4","3","1") = "4"
    & skf21("2","1","2","5","4","4","4","1") = "4"
    & skf21("2","1","2","5","4","4","5","1") = "4"
    & skf21("2","1","2","5","4","4","6","1") = "5"
    & skf21("2","1","2","5","4","4","7","1") = "6"
    & skf21("2","1","2","5","4","5","1","1") = "4"
    & skf21("2","1","2","5","4","5","2","1") = "4"
    & skf21("2","1","2","5","4","5","3","1") = "4"
    & skf21("2","1","2","5","4","5","4","1") = "4"
    & skf21("2","1","2","5","4","5","5","1") = "4"
    & skf21("2","1","2","5","4","5","6","1") = "5"
    & skf21("2","1","2","5","4","5","7","1") = "6"
    & skf21("2","1","2","5","4","6","1","1") = "5"
    & skf21("2","1","2","5","4","6","2","1") = "5"
    & skf21("2","1","2","5","4","6","3","1") = "5"
    & skf21("2","1","2","5","4","6","4","1") = "5"
    & skf21("2","1","2","5","4","6","5","1") = "5"
    & skf21("2","1","2","5","4","6","6","1") = "5"
    & skf21("2","1","2","5","4","6","7","1") = "6"
    & skf21("2","1","2","5","4","7","1","1") = "6"
    & skf21("2","1","2","5","4","7","2","1") = "6"
    & skf21("2","1","2","5","4","7","3","1") = "6"
    & skf21("2","1","2","5","4","7","4","1") = "6"
    & skf21("2","1","2","5","4","7","5","1") = "6"
    & skf21("2","1","2","5","4","7","6","1") = "6"
    & skf21("2","1","2","5","4","7","7","1") = "6"
    & skf21("2","1","2","5","5","1","1","1") = "4"
    & skf21("2","1","2","5","5","1","2","1") = "4"
    & skf21("2","1","2","5","5","1","3","1") = "4"
    & skf21("2","1","2","5","5","1","4","1") = "4"
    & skf21("2","1","2","5","5","1","5","1") = "4"
    & skf21("2","1","2","5","5","1","6","1") = "5"
    & skf21("2","1","2","5","5","1","7","1") = "6"
    & skf21("2","1","2","5","5","2","1","1") = "4"
    & skf21("2","1","2","5","5","2","2","1") = "4"
    & skf21("2","1","2","5","5","2","3","1") = "4"
    & skf21("2","1","2","5","5","2","4","1") = "4"
    & skf21("2","1","2","5","5","2","5","1") = "4"
    & skf21("2","1","2","5","5","2","6","1") = "5"
    & skf21("2","1","2","5","5","2","7","1") = "6"
    & skf21("2","1","2","5","5","3","1","1") = "4"
    & skf21("2","1","2","5","5","3","2","1") = "4"
    & skf21("2","1","2","5","5","3","3","1") = "4"
    & skf21("2","1","2","5","5","3","4","1") = "4"
    & skf21("2","1","2","5","5","3","5","1") = "4"
    & skf21("2","1","2","5","5","3","6","1") = "5"
    & skf21("2","1","2","5","5","3","7","1") = "6"
    & skf21("2","1","2","5","5","4","1","1") = "4"
    & skf21("2","1","2","5","5","4","2","1") = "4"
    & skf21("2","1","2","5","5","4","3","1") = "4"
    & skf21("2","1","2","5","5","4","4","1") = "4"
    & skf21("2","1","2","5","5","4","5","1") = "4"
    & skf21("2","1","2","5","5","4","6","1") = "5"
    & skf21("2","1","2","5","5","4","7","1") = "6"
    & skf21("2","1","2","5","5","5","1","1") = "4"
    & skf21("2","1","2","5","5","5","2","1") = "4"
    & skf21("2","1","2","5","5","5","3","1") = "4"
    & skf21("2","1","2","5","5","5","4","1") = "4"
    & skf21("2","1","2","5","5","5","5","1") = "4"
    & skf21("2","1","2","5","5","5","6","1") = "5"
    & skf21("2","1","2","5","5","5","7","1") = "6"
    & skf21("2","1","2","5","5","6","1","1") = "5"
    & skf21("2","1","2","5","5","6","2","1") = "5"
    & skf21("2","1","2","5","5","6","3","1") = "5"
    & skf21("2","1","2","5","5","6","4","1") = "5"
    & skf21("2","1","2","5","5","6","5","1") = "5"
    & skf21("2","1","2","5","5","6","6","1") = "5"
    & skf21("2","1","2","5","5","6","7","1") = "6"
    & skf21("2","1","2","5","5","7","1","1") = "6"
    & skf21("2","1","2","5","5","7","2","1") = "6"
    & skf21("2","1","2","5","5","7","3","1") = "6"
    & skf21("2","1","2","5","5","7","4","1") = "6"
    & skf21("2","1","2","5","5","7","5","1") = "6"
    & skf21("2","1","2","5","5","7","6","1") = "6"
    & skf21("2","1","2","5","5","7","7","1") = "6"
    & skf21("2","1","2","5","6","1","1","1") = "5"
    & skf21("2","1","2","5","6","1","2","1") = "5"
    & skf21("2","1","2","5","6","1","3","1") = "5"
    & skf21("2","1","2","5","6","1","4","1") = "5"
    & skf21("2","1","2","5","6","1","5","1") = "5"
    & skf21("2","1","2","5","6","1","6","1") = "5"
    & skf21("2","1","2","5","6","1","7","1") = "6"
    & skf21("2","1","2","5","6","2","1","1") = "5"
    & skf21("2","1","2","5","6","2","2","1") = "5"
    & skf21("2","1","2","5","6","2","3","1") = "5"
    & skf21("2","1","2","5","6","2","4","1") = "5"
    & skf21("2","1","2","5","6","2","5","1") = "5"
    & skf21("2","1","2","5","6","2","6","1") = "5"
    & skf21("2","1","2","5","6","2","7","1") = "6"
    & skf21("2","1","2","5","6","3","1","1") = "5"
    & skf21("2","1","2","5","6","3","2","1") = "5"
    & skf21("2","1","2","5","6","3","3","1") = "5"
    & skf21("2","1","2","5","6","3","4","1") = "5"
    & skf21("2","1","2","5","6","3","5","1") = "5"
    & skf21("2","1","2","5","6","3","6","1") = "5"
    & skf21("2","1","2","5","6","3","7","1") = "6"
    & skf21("2","1","2","5","6","4","1","1") = "5"
    & skf21("2","1","2","5","6","4","2","1") = "5"
    & skf21("2","1","2","5","6","4","3","1") = "5"
    & skf21("2","1","2","5","6","4","4","1") = "5"
    & skf21("2","1","2","5","6","4","5","1") = "5"
    & skf21("2","1","2","5","6","4","6","1") = "5"
    & skf21("2","1","2","5","6","4","7","1") = "6"
    & skf21("2","1","2","5","6","5","1","1") = "5"
    & skf21("2","1","2","5","6","5","2","1") = "5"
    & skf21("2","1","2","5","6","5","3","1") = "5"
    & skf21("2","1","2","5","6","5","4","1") = "5"
    & skf21("2","1","2","5","6","5","5","1") = "5"
    & skf21("2","1","2","5","6","5","6","1") = "5"
    & skf21("2","1","2","5","6","5","7","1") = "6"
    & skf21("2","1","2","5","6","6","1","1") = "5"
    & skf21("2","1","2","5","6","6","2","1") = "5"
    & skf21("2","1","2","5","6","6","3","1") = "5"
    & skf21("2","1","2","5","6","6","4","1") = "5"
    & skf21("2","1","2","5","6","6","5","1") = "5"
    & skf21("2","1","2","5","6","6","6","1") = "5"
    & skf21("2","1","2","5","6","6","7","1") = "6"
    & skf21("2","1","2","5","6","7","1","1") = "6"
    & skf21("2","1","2","5","6","7","2","1") = "6"
    & skf21("2","1","2","5","6","7","3","1") = "6"
    & skf21("2","1","2","5","6","7","4","1") = "6"
    & skf21("2","1","2","5","6","7","5","1") = "6"
    & skf21("2","1","2","5","6","7","6","1") = "6"
    & skf21("2","1","2","5","6","7","7","1") = "6"
    & skf21("2","1","2","5","7","1","1","1") = "6"
    & skf21("2","1","2","5","7","1","2","1") = "6"
    & skf21("2","1","2","5","7","1","3","1") = "6"
    & skf21("2","1","2","5","7","1","4","1") = "6"
    & skf21("2","1","2","5","7","1","5","1") = "6"
    & skf21("2","1","2","5","7","1","6","1") = "6"
    & skf21("2","1","2","5","7","1","7","1") = "6"
    & skf21("2","1","2","5","7","2","1","1") = "6"
    & skf21("2","1","2","5","7","2","2","1") = "6"
    & skf21("2","1","2","5","7","2","3","1") = "6"
    & skf21("2","1","2","5","7","2","4","1") = "6"
    & skf21("2","1","2","5","7","2","5","1") = "6"
    & skf21("2","1","2","5","7","2","6","1") = "6"
    & skf21("2","1","2","5","7","2","7","1") = "6"
    & skf21("2","1","2","5","7","3","1","1") = "6"
    & skf21("2","1","2","5","7","3","2","1") = "6"
    & skf21("2","1","2","5","7","3","3","1") = "6"
    & skf21("2","1","2","5","7","3","4","1") = "6"
    & skf21("2","1","2","5","7","3","5","1") = "6"
    & skf21("2","1","2","5","7","3","6","1") = "6"
    & skf21("2","1","2","5","7","3","7","1") = "6"
    & skf21("2","1","2","5","7","4","1","1") = "6"
    & skf21("2","1","2","5","7","4","2","1") = "6"
    & skf21("2","1","2","5","7","4","3","1") = "6"
    & skf21("2","1","2","5","7","4","4","1") = "6"
    & skf21("2","1","2","5","7","4","5","1") = "6"
    & skf21("2","1","2","5","7","4","6","1") = "6"
    & skf21("2","1","2","5","7","4","7","1") = "6"
    & skf21("2","1","2","5","7","5","1","1") = "6"
    & skf21("2","1","2","5","7","5","2","1") = "6"
    & skf21("2","1","2","5","7","5","3","1") = "6"
    & skf21("2","1","2","5","7","5","4","1") = "6"
    & skf21("2","1","2","5","7","5","5","1") = "6"
    & skf21("2","1","2","5","7","5","6","1") = "6"
    & skf21("2","1","2","5","7","5","7","1") = "6"
    & skf21("2","1","2","5","7","6","1","1") = "6"
    & skf21("2","1","2","5","7","6","2","1") = "6"
    & skf21("2","1","2","5","7","6","3","1") = "6"
    & skf21("2","1","2","5","7","6","4","1") = "6"
    & skf21("2","1","2","5","7","6","5","1") = "6"
    & skf21("2","1","2","5","7","6","6","1") = "6"
    & skf21("2","1","2","5","7","6","7","1") = "6"
    & skf21("2","1","2","5","7","7","1","1") = "6"
    & skf21("2","1","2","5","7","7","2","1") = "6"
    & skf21("2","1","2","5","7","7","3","1") = "6"
    & skf21("2","1","2","5","7","7","4","1") = "6"
    & skf21("2","1","2","5","7","7","5","1") = "6"
    & skf21("2","1","2","5","7","7","6","1") = "6"
    & skf21("2","1","2","5","7","7","7","1") = "6"
    & skf21("2","1","2","6","1","1","1","1") = "5"
    & skf21("2","1","2","6","1","1","2","1") = "5"
    & skf21("2","1","2","6","1","1","3","1") = "5"
    & skf21("2","1","2","6","1","1","4","1") = "5"
    & skf21("2","1","2","6","1","1","5","1") = "5"
    & skf21("2","1","2","6","1","1","6","1") = "5"
    & skf21("2","1","2","6","1","1","7","1") = "6"
    & skf21("2","1","2","6","1","2","1","1") = "5"
    & skf21("2","1","2","6","1","2","2","1") = "5"
    & skf21("2","1","2","6","1","2","3","1") = "5"
    & skf21("2","1","2","6","1","2","4","1") = "5"
    & skf21("2","1","2","6","1","2","5","1") = "5"
    & skf21("2","1","2","6","1","2","6","1") = "5"
    & skf21("2","1","2","6","1","2","7","1") = "6"
    & skf21("2","1","2","6","1","3","1","1") = "5"
    & skf21("2","1","2","6","1","3","2","1") = "5"
    & skf21("2","1","2","6","1","3","3","1") = "5"
    & skf21("2","1","2","6","1","3","4","1") = "5"
    & skf21("2","1","2","6","1","3","5","1") = "5"
    & skf21("2","1","2","6","1","3","6","1") = "5"
    & skf21("2","1","2","6","1","3","7","1") = "6"
    & skf21("2","1","2","6","1","4","1","1") = "5"
    & skf21("2","1","2","6","1","4","2","1") = "5"
    & skf21("2","1","2","6","1","4","3","1") = "5"
    & skf21("2","1","2","6","1","4","4","1") = "5"
    & skf21("2","1","2","6","1","4","5","1") = "5"
    & skf21("2","1","2","6","1","4","6","1") = "5"
    & skf21("2","1","2","6","1","4","7","1") = "6"
    & skf21("2","1","2","6","1","5","1","1") = "5"
    & skf21("2","1","2","6","1","5","2","1") = "5"
    & skf21("2","1","2","6","1","5","3","1") = "5"
    & skf21("2","1","2","6","1","5","4","1") = "5"
    & skf21("2","1","2","6","1","5","5","1") = "5"
    & skf21("2","1","2","6","1","5","6","1") = "5"
    & skf21("2","1","2","6","1","5","7","1") = "6"
    & skf21("2","1","2","6","1","6","1","1") = "5"
    & skf21("2","1","2","6","1","6","2","1") = "5"
    & skf21("2","1","2","6","1","6","3","1") = "5"
    & skf21("2","1","2","6","1","6","4","1") = "5"
    & skf21("2","1","2","6","1","6","5","1") = "5"
    & skf21("2","1","2","6","1","6","6","1") = "5"
    & skf21("2","1","2","6","1","6","7","1") = "6"
    & skf21("2","1","2","6","1","7","1","1") = "6"
    & skf21("2","1","2","6","1","7","2","1") = "6"
    & skf21("2","1","2","6","1","7","3","1") = "6"
    & skf21("2","1","2","6","1","7","4","1") = "6"
    & skf21("2","1","2","6","1","7","5","1") = "6"
    & skf21("2","1","2","6","1","7","6","1") = "6"
    & skf21("2","1","2","6","1","7","7","1") = "6"
    & skf21("2","1","2","6","2","1","1","1") = "5"
    & skf21("2","1","2","6","2","1","2","1") = "5"
    & skf21("2","1","2","6","2","1","3","1") = "5"
    & skf21("2","1","2","6","2","1","4","1") = "5"
    & skf21("2","1","2","6","2","1","5","1") = "5"
    & skf21("2","1","2","6","2","1","6","1") = "5"
    & skf21("2","1","2","6","2","1","7","1") = "6"
    & skf21("2","1","2","6","2","2","1","1") = "5"
    & skf21("2","1","2","6","2","2","2","1") = "5"
    & skf21("2","1","2","6","2","2","3","1") = "5"
    & skf21("2","1","2","6","2","2","4","1") = "5"
    & skf21("2","1","2","6","2","2","5","1") = "5"
    & skf21("2","1","2","6","2","2","6","1") = "5"
    & skf21("2","1","2","6","2","2","7","1") = "6"
    & skf21("2","1","2","6","2","3","1","1") = "5"
    & skf21("2","1","2","6","2","3","2","1") = "5"
    & skf21("2","1","2","6","2","3","3","1") = "5"
    & skf21("2","1","2","6","2","3","4","1") = "5"
    & skf21("2","1","2","6","2","3","5","1") = "5"
    & skf21("2","1","2","6","2","3","6","1") = "5"
    & skf21("2","1","2","6","2","3","7","1") = "6"
    & skf21("2","1","2","6","2","4","1","1") = "5"
    & skf21("2","1","2","6","2","4","2","1") = "5"
    & skf21("2","1","2","6","2","4","3","1") = "5"
    & skf21("2","1","2","6","2","4","4","1") = "5"
    & skf21("2","1","2","6","2","4","5","1") = "5"
    & skf21("2","1","2","6","2","4","6","1") = "5"
    & skf21("2","1","2","6","2","4","7","1") = "6"
    & skf21("2","1","2","6","2","5","1","1") = "5"
    & skf21("2","1","2","6","2","5","2","1") = "5"
    & skf21("2","1","2","6","2","5","3","1") = "5"
    & skf21("2","1","2","6","2","5","4","1") = "5"
    & skf21("2","1","2","6","2","5","5","1") = "5"
    & skf21("2","1","2","6","2","5","6","1") = "5"
    & skf21("2","1","2","6","2","5","7","1") = "6"
    & skf21("2","1","2","6","2","6","1","1") = "5"
    & skf21("2","1","2","6","2","6","2","1") = "5"
    & skf21("2","1","2","6","2","6","3","1") = "5"
    & skf21("2","1","2","6","2","6","4","1") = "5"
    & skf21("2","1","2","6","2","6","5","1") = "5"
    & skf21("2","1","2","6","2","6","6","1") = "5"
    & skf21("2","1","2","6","2","6","7","1") = "6"
    & skf21("2","1","2","6","2","7","1","1") = "6"
    & skf21("2","1","2","6","2","7","2","1") = "6"
    & skf21("2","1","2","6","2","7","3","1") = "6"
    & skf21("2","1","2","6","2","7","4","1") = "6"
    & skf21("2","1","2","6","2","7","5","1") = "6"
    & skf21("2","1","2","6","2","7","6","1") = "6"
    & skf21("2","1","2","6","2","7","7","1") = "6"
    & skf21("2","1","2","6","3","1","1","1") = "5"
    & skf21("2","1","2","6","3","1","2","1") = "5"
    & skf21("2","1","2","6","3","1","3","1") = "5"
    & skf21("2","1","2","6","3","1","4","1") = "5"
    & skf21("2","1","2","6","3","1","5","1") = "5"
    & skf21("2","1","2","6","3","1","6","1") = "5"
    & skf21("2","1","2","6","3","1","7","1") = "6"
    & skf21("2","1","2","6","3","2","1","1") = "5"
    & skf21("2","1","2","6","3","2","2","1") = "5"
    & skf21("2","1","2","6","3","2","3","1") = "5"
    & skf21("2","1","2","6","3","2","4","1") = "5"
    & skf21("2","1","2","6","3","2","5","1") = "5"
    & skf21("2","1","2","6","3","2","6","1") = "5"
    & skf21("2","1","2","6","3","2","7","1") = "6"
    & skf21("2","1","2","6","3","3","1","1") = "5"
    & skf21("2","1","2","6","3","3","2","1") = "5"
    & skf21("2","1","2","6","3","3","3","1") = "5"
    & skf21("2","1","2","6","3","3","4","1") = "5"
    & skf21("2","1","2","6","3","3","5","1") = "5"
    & skf21("2","1","2","6","3","3","6","1") = "5"
    & skf21("2","1","2","6","3","3","7","1") = "6"
    & skf21("2","1","2","6","3","4","1","1") = "5"
    & skf21("2","1","2","6","3","4","2","1") = "5"
    & skf21("2","1","2","6","3","4","3","1") = "5"
    & skf21("2","1","2","6","3","4","4","1") = "5"
    & skf21("2","1","2","6","3","4","5","1") = "5"
    & skf21("2","1","2","6","3","4","6","1") = "5"
    & skf21("2","1","2","6","3","4","7","1") = "6"
    & skf21("2","1","2","6","3","5","1","1") = "5"
    & skf21("2","1","2","6","3","5","2","1") = "5"
    & skf21("2","1","2","6","3","5","3","1") = "5"
    & skf21("2","1","2","6","3","5","4","1") = "5"
    & skf21("2","1","2","6","3","5","5","1") = "5"
    & skf21("2","1","2","6","3","5","6","1") = "5"
    & skf21("2","1","2","6","3","5","7","1") = "6"
    & skf21("2","1","2","6","3","6","1","1") = "5"
    & skf21("2","1","2","6","3","6","2","1") = "5"
    & skf21("2","1","2","6","3","6","3","1") = "5"
    & skf21("2","1","2","6","3","6","4","1") = "5"
    & skf21("2","1","2","6","3","6","5","1") = "5"
    & skf21("2","1","2","6","3","6","6","1") = "5"
    & skf21("2","1","2","6","3","6","7","1") = "6"
    & skf21("2","1","2","6","3","7","1","1") = "6"
    & skf21("2","1","2","6","3","7","2","1") = "6"
    & skf21("2","1","2","6","3","7","3","1") = "6"
    & skf21("2","1","2","6","3","7","4","1") = "6"
    & skf21("2","1","2","6","3","7","5","1") = "6"
    & skf21("2","1","2","6","3","7","6","1") = "6"
    & skf21("2","1","2","6","3","7","7","1") = "6"
    & skf21("2","1","2","6","4","1","1","1") = "5"
    & skf21("2","1","2","6","4","1","2","1") = "5"
    & skf21("2","1","2","6","4","1","3","1") = "5"
    & skf21("2","1","2","6","4","1","4","1") = "5"
    & skf21("2","1","2","6","4","1","5","1") = "5"
    & skf21("2","1","2","6","4","1","6","1") = "5"
    & skf21("2","1","2","6","4","1","7","1") = "6"
    & skf21("2","1","2","6","4","2","1","1") = "5"
    & skf21("2","1","2","6","4","2","2","1") = "5"
    & skf21("2","1","2","6","4","2","3","1") = "5"
    & skf21("2","1","2","6","4","2","4","1") = "5"
    & skf21("2","1","2","6","4","2","5","1") = "5"
    & skf21("2","1","2","6","4","2","6","1") = "5"
    & skf21("2","1","2","6","4","2","7","1") = "6"
    & skf21("2","1","2","6","4","3","1","1") = "5"
    & skf21("2","1","2","6","4","3","2","1") = "5"
    & skf21("2","1","2","6","4","3","3","1") = "5"
    & skf21("2","1","2","6","4","3","4","1") = "5"
    & skf21("2","1","2","6","4","3","5","1") = "5"
    & skf21("2","1","2","6","4","3","6","1") = "5"
    & skf21("2","1","2","6","4","3","7","1") = "6"
    & skf21("2","1","2","6","4","4","1","1") = "5"
    & skf21("2","1","2","6","4","4","2","1") = "5"
    & skf21("2","1","2","6","4","4","3","1") = "5"
    & skf21("2","1","2","6","4","4","4","1") = "5"
    & skf21("2","1","2","6","4","4","5","1") = "5"
    & skf21("2","1","2","6","4","4","6","1") = "5"
    & skf21("2","1","2","6","4","4","7","1") = "6"
    & skf21("2","1","2","6","4","5","1","1") = "5"
    & skf21("2","1","2","6","4","5","2","1") = "5"
    & skf21("2","1","2","6","4","5","3","1") = "5"
    & skf21("2","1","2","6","4","5","4","1") = "5"
    & skf21("2","1","2","6","4","5","5","1") = "5"
    & skf21("2","1","2","6","4","5","6","1") = "5"
    & skf21("2","1","2","6","4","5","7","1") = "6"
    & skf21("2","1","2","6","4","6","1","1") = "5"
    & skf21("2","1","2","6","4","6","2","1") = "5"
    & skf21("2","1","2","6","4","6","3","1") = "5"
    & skf21("2","1","2","6","4","6","4","1") = "5"
    & skf21("2","1","2","6","4","6","5","1") = "5"
    & skf21("2","1","2","6","4","6","6","1") = "5"
    & skf21("2","1","2","6","4","6","7","1") = "6"
    & skf21("2","1","2","6","4","7","1","1") = "6"
    & skf21("2","1","2","6","4","7","2","1") = "6"
    & skf21("2","1","2","6","4","7","3","1") = "6"
    & skf21("2","1","2","6","4","7","4","1") = "6"
    & skf21("2","1","2","6","4","7","5","1") = "6"
    & skf21("2","1","2","6","4","7","6","1") = "6"
    & skf21("2","1","2","6","4","7","7","1") = "6"
    & skf21("2","1","2","6","5","1","1","1") = "5"
    & skf21("2","1","2","6","5","1","2","1") = "5"
    & skf21("2","1","2","6","5","1","3","1") = "5"
    & skf21("2","1","2","6","5","1","4","1") = "5"
    & skf21("2","1","2","6","5","1","5","1") = "5"
    & skf21("2","1","2","6","5","1","6","1") = "5"
    & skf21("2","1","2","6","5","1","7","1") = "6"
    & skf21("2","1","2","6","5","2","1","1") = "5"
    & skf21("2","1","2","6","5","2","2","1") = "5"
    & skf21("2","1","2","6","5","2","3","1") = "5"
    & skf21("2","1","2","6","5","2","4","1") = "5"
    & skf21("2","1","2","6","5","2","5","1") = "5"
    & skf21("2","1","2","6","5","2","6","1") = "5"
    & skf21("2","1","2","6","5","2","7","1") = "6"
    & skf21("2","1","2","6","5","3","1","1") = "5"
    & skf21("2","1","2","6","5","3","2","1") = "5"
    & skf21("2","1","2","6","5","3","3","1") = "5"
    & skf21("2","1","2","6","5","3","4","1") = "5"
    & skf21("2","1","2","6","5","3","5","1") = "5"
    & skf21("2","1","2","6","5","3","6","1") = "5"
    & skf21("2","1","2","6","5","3","7","1") = "6"
    & skf21("2","1","2","6","5","4","1","1") = "5"
    & skf21("2","1","2","6","5","4","2","1") = "5"
    & skf21("2","1","2","6","5","4","3","1") = "5"
    & skf21("2","1","2","6","5","4","4","1") = "5"
    & skf21("2","1","2","6","5","4","5","1") = "5"
    & skf21("2","1","2","6","5","4","6","1") = "5"
    & skf21("2","1","2","6","5","4","7","1") = "6"
    & skf21("2","1","2","6","5","5","1","1") = "5"
    & skf21("2","1","2","6","5","5","2","1") = "5"
    & skf21("2","1","2","6","5","5","3","1") = "5"
    & skf21("2","1","2","6","5","5","4","1") = "5"
    & skf21("2","1","2","6","5","5","5","1") = "5"
    & skf21("2","1","2","6","5","5","6","1") = "5"
    & skf21("2","1","2","6","5","5","7","1") = "6"
    & skf21("2","1","2","6","5","6","1","1") = "5"
    & skf21("2","1","2","6","5","6","2","1") = "5"
    & skf21("2","1","2","6","5","6","3","1") = "5"
    & skf21("2","1","2","6","5","6","4","1") = "5"
    & skf21("2","1","2","6","5","6","5","1") = "5"
    & skf21("2","1","2","6","5","6","6","1") = "5"
    & skf21("2","1","2","6","5","6","7","1") = "6"
    & skf21("2","1","2","6","5","7","1","1") = "6"
    & skf21("2","1","2","6","5","7","2","1") = "6"
    & skf21("2","1","2","6","5","7","3","1") = "6"
    & skf21("2","1","2","6","5","7","4","1") = "6"
    & skf21("2","1","2","6","5","7","5","1") = "6"
    & skf21("2","1","2","6","5","7","6","1") = "6"
    & skf21("2","1","2","6","5","7","7","1") = "6"
    & skf21("2","1","2","6","6","1","1","1") = "5"
    & skf21("2","1","2","6","6","1","2","1") = "5"
    & skf21("2","1","2","6","6","1","3","1") = "5"
    & skf21("2","1","2","6","6","1","4","1") = "5"
    & skf21("2","1","2","6","6","1","5","1") = "5"
    & skf21("2","1","2","6","6","1","6","1") = "5"
    & skf21("2","1","2","6","6","1","7","1") = "6"
    & skf21("2","1","2","6","6","2","1","1") = "5"
    & skf21("2","1","2","6","6","2","2","1") = "5"
    & skf21("2","1","2","6","6","2","3","1") = "5"
    & skf21("2","1","2","6","6","2","4","1") = "5"
    & skf21("2","1","2","6","6","2","5","1") = "5"
    & skf21("2","1","2","6","6","2","6","1") = "5"
    & skf21("2","1","2","6","6","2","7","1") = "6"
    & skf21("2","1","2","6","6","3","1","1") = "5"
    & skf21("2","1","2","6","6","3","2","1") = "5"
    & skf21("2","1","2","6","6","3","3","1") = "5"
    & skf21("2","1","2","6","6","3","4","1") = "5"
    & skf21("2","1","2","6","6","3","5","1") = "5"
    & skf21("2","1","2","6","6","3","6","1") = "5"
    & skf21("2","1","2","6","6","3","7","1") = "6"
    & skf21("2","1","2","6","6","4","1","1") = "5"
    & skf21("2","1","2","6","6","4","2","1") = "5"
    & skf21("2","1","2","6","6","4","3","1") = "5"
    & skf21("2","1","2","6","6","4","4","1") = "5"
    & skf21("2","1","2","6","6","4","5","1") = "5"
    & skf21("2","1","2","6","6","4","6","1") = "5"
    & skf21("2","1","2","6","6","4","7","1") = "6"
    & skf21("2","1","2","6","6","5","1","1") = "5"
    & skf21("2","1","2","6","6","5","2","1") = "5"
    & skf21("2","1","2","6","6","5","3","1") = "5"
    & skf21("2","1","2","6","6","5","4","1") = "5"
    & skf21("2","1","2","6","6","5","5","1") = "5"
    & skf21("2","1","2","6","6","5","6","1") = "5"
    & skf21("2","1","2","6","6","5","7","1") = "6"
    & skf21("2","1","2","6","6","6","1","1") = "5"
    & skf21("2","1","2","6","6","6","2","1") = "5"
    & skf21("2","1","2","6","6","6","3","1") = "5"
    & skf21("2","1","2","6","6","6","4","1") = "5"
    & skf21("2","1","2","6","6","6","5","1") = "5"
    & skf21("2","1","2","6","6","6","6","1") = "5"
    & skf21("2","1","2","6","6","6","7","1") = "6"
    & skf21("2","1","2","6","6","7","1","1") = "6"
    & skf21("2","1","2","6","6","7","2","1") = "6"
    & skf21("2","1","2","6","6","7","3","1") = "6"
    & skf21("2","1","2","6","6","7","4","1") = "6"
    & skf21("2","1","2","6","6","7","5","1") = "6"
    & skf21("2","1","2","6","6","7","6","1") = "6"
    & skf21("2","1","2","6","6","7","7","1") = "6"
    & skf21("2","1","2","6","7","1","1","1") = "6"
    & skf21("2","1","2","6","7","1","2","1") = "6"
    & skf21("2","1","2","6","7","1","3","1") = "6"
    & skf21("2","1","2","6","7","1","4","1") = "6"
    & skf21("2","1","2","6","7","1","5","1") = "6"
    & skf21("2","1","2","6","7","1","6","1") = "6"
    & skf21("2","1","2","6","7","1","7","1") = "6"
    & skf21("2","1","2","6","7","2","1","1") = "6"
    & skf21("2","1","2","6","7","2","2","1") = "6"
    & skf21("2","1","2","6","7","2","3","1") = "6"
    & skf21("2","1","2","6","7","2","4","1") = "6"
    & skf21("2","1","2","6","7","2","5","1") = "6"
    & skf21("2","1","2","6","7","2","6","1") = "6"
    & skf21("2","1","2","6","7","2","7","1") = "6"
    & skf21("2","1","2","6","7","3","1","1") = "6"
    & skf21("2","1","2","6","7","3","2","1") = "6"
    & skf21("2","1","2","6","7","3","3","1") = "6"
    & skf21("2","1","2","6","7","3","4","1") = "6"
    & skf21("2","1","2","6","7","3","5","1") = "6"
    & skf21("2","1","2","6","7","3","6","1") = "6"
    & skf21("2","1","2","6","7","3","7","1") = "6"
    & skf21("2","1","2","6","7","4","1","1") = "6"
    & skf21("2","1","2","6","7","4","2","1") = "6"
    & skf21("2","1","2","6","7","4","3","1") = "6"
    & skf21("2","1","2","6","7","4","4","1") = "6"
    & skf21("2","1","2","6","7","4","5","1") = "6"
    & skf21("2","1","2","6","7","4","6","1") = "6"
    & skf21("2","1","2","6","7","4","7","1") = "6"
    & skf21("2","1","2","6","7","5","1","1") = "6"
    & skf21("2","1","2","6","7","5","2","1") = "6"
    & skf21("2","1","2","6","7","5","3","1") = "6"
    & skf21("2","1","2","6","7","5","4","1") = "6"
    & skf21("2","1","2","6","7","5","5","1") = "6"
    & skf21("2","1","2","6","7","5","6","1") = "6"
    & skf21("2","1","2","6","7","5","7","1") = "6"
    & skf21("2","1","2","6","7","6","1","1") = "6"
    & skf21("2","1","2","6","7","6","2","1") = "6"
    & skf21("2","1","2","6","7","6","3","1") = "6"
    & skf21("2","1","2","6","7","6","4","1") = "6"
    & skf21("2","1","2","6","7","6","5","1") = "6"
    & skf21("2","1","2","6","7","6","6","1") = "6"
    & skf21("2","1","2","6","7","6","7","1") = "6"
    & skf21("2","1","2","6","7","7","1","1") = "6"
    & skf21("2","1","2","6","7","7","2","1") = "6"
    & skf21("2","1","2","6","7","7","3","1") = "6"
    & skf21("2","1","2","6","7","7","4","1") = "6"
    & skf21("2","1","2","6","7","7","5","1") = "6"
    & skf21("2","1","2","6","7","7","6","1") = "6"
    & skf21("2","1","2","6","7","7","7","1") = "6"
    & skf21("2","1","2","7","1","1","1","1") = "6"
    & skf21("2","1","2","7","1","1","2","1") = "6"
    & skf21("2","1","2","7","1","1","3","1") = "6"
    & skf21("2","1","2","7","1","1","4","1") = "6"
    & skf21("2","1","2","7","1","1","5","1") = "6"
    & skf21("2","1","2","7","1","1","6","1") = "6"
    & skf21("2","1","2","7","1","1","7","1") = "6"
    & skf21("2","1","2","7","1","2","1","1") = "6"
    & skf21("2","1","2","7","1","2","2","1") = "6"
    & skf21("2","1","2","7","1","2","3","1") = "6"
    & skf21("2","1","2","7","1","2","4","1") = "6"
    & skf21("2","1","2","7","1","2","5","1") = "6"
    & skf21("2","1","2","7","1","2","6","1") = "6"
    & skf21("2","1","2","7","1","2","7","1") = "6"
    & skf21("2","1","2","7","1","3","1","1") = "6"
    & skf21("2","1","2","7","1","3","2","1") = "6"
    & skf21("2","1","2","7","1","3","3","1") = "6"
    & skf21("2","1","2","7","1","3","4","1") = "6"
    & skf21("2","1","2","7","1","3","5","1") = "6"
    & skf21("2","1","2","7","1","3","6","1") = "6"
    & skf21("2","1","2","7","1","3","7","1") = "6"
    & skf21("2","1","2","7","1","4","1","1") = "6"
    & skf21("2","1","2","7","1","4","2","1") = "6"
    & skf21("2","1","2","7","1","4","3","1") = "6"
    & skf21("2","1","2","7","1","4","4","1") = "6"
    & skf21("2","1","2","7","1","4","5","1") = "6"
    & skf21("2","1","2","7","1","4","6","1") = "6"
    & skf21("2","1","2","7","1","4","7","1") = "6"
    & skf21("2","1","2","7","1","5","1","1") = "6"
    & skf21("2","1","2","7","1","5","2","1") = "6"
    & skf21("2","1","2","7","1","5","3","1") = "6"
    & skf21("2","1","2","7","1","5","4","1") = "6"
    & skf21("2","1","2","7","1","5","5","1") = "6"
    & skf21("2","1","2","7","1","5","6","1") = "6"
    & skf21("2","1","2","7","1","5","7","1") = "6"
    & skf21("2","1","2","7","1","6","1","1") = "6"
    & skf21("2","1","2","7","1","6","2","1") = "6"
    & skf21("2","1","2","7","1","6","3","1") = "6"
    & skf21("2","1","2","7","1","6","4","1") = "6"
    & skf21("2","1","2","7","1","6","5","1") = "6"
    & skf21("2","1","2","7","1","6","6","1") = "6"
    & skf21("2","1","2","7","1","6","7","1") = "6"
    & skf21("2","1","2","7","1","7","1","1") = "6"
    & skf21("2","1","2","7","1","7","2","1") = "6"
    & skf21("2","1","2","7","1","7","3","1") = "6"
    & skf21("2","1","2","7","1","7","4","1") = "6"
    & skf21("2","1","2","7","1","7","5","1") = "6"
    & skf21("2","1","2","7","1","7","6","1") = "6"
    & skf21("2","1","2","7","1","7","7","1") = "6"
    & skf21("2","1","2","7","2","1","1","1") = "6"
    & skf21("2","1","2","7","2","1","2","1") = "6"
    & skf21("2","1","2","7","2","1","3","1") = "6"
    & skf21("2","1","2","7","2","1","4","1") = "6"
    & skf21("2","1","2","7","2","1","5","1") = "6"
    & skf21("2","1","2","7","2","1","6","1") = "6"
    & skf21("2","1","2","7","2","1","7","1") = "6"
    & skf21("2","1","2","7","2","2","1","1") = "6"
    & skf21("2","1","2","7","2","2","2","1") = "6"
    & skf21("2","1","2","7","2","2","3","1") = "6"
    & skf21("2","1","2","7","2","2","4","1") = "6"
    & skf21("2","1","2","7","2","2","5","1") = "6"
    & skf21("2","1","2","7","2","2","6","1") = "6"
    & skf21("2","1","2","7","2","2","7","1") = "6"
    & skf21("2","1","2","7","2","3","1","1") = "6"
    & skf21("2","1","2","7","2","3","2","1") = "6"
    & skf21("2","1","2","7","2","3","3","1") = "6"
    & skf21("2","1","2","7","2","3","4","1") = "6"
    & skf21("2","1","2","7","2","3","5","1") = "6"
    & skf21("2","1","2","7","2","3","6","1") = "6"
    & skf21("2","1","2","7","2","3","7","1") = "6"
    & skf21("2","1","2","7","2","4","1","1") = "6"
    & skf21("2","1","2","7","2","4","2","1") = "6"
    & skf21("2","1","2","7","2","4","3","1") = "6"
    & skf21("2","1","2","7","2","4","4","1") = "6"
    & skf21("2","1","2","7","2","4","5","1") = "6"
    & skf21("2","1","2","7","2","4","6","1") = "6"
    & skf21("2","1","2","7","2","4","7","1") = "6"
    & skf21("2","1","2","7","2","5","1","1") = "6"
    & skf21("2","1","2","7","2","5","2","1") = "6"
    & skf21("2","1","2","7","2","5","3","1") = "6"
    & skf21("2","1","2","7","2","5","4","1") = "6"
    & skf21("2","1","2","7","2","5","5","1") = "6"
    & skf21("2","1","2","7","2","5","6","1") = "6"
    & skf21("2","1","2","7","2","5","7","1") = "6"
    & skf21("2","1","2","7","2","6","1","1") = "6"
    & skf21("2","1","2","7","2","6","2","1") = "6"
    & skf21("2","1","2","7","2","6","3","1") = "6"
    & skf21("2","1","2","7","2","6","4","1") = "6"
    & skf21("2","1","2","7","2","6","5","1") = "6"
    & skf21("2","1","2","7","2","6","6","1") = "6"
    & skf21("2","1","2","7","2","6","7","1") = "6"
    & skf21("2","1","2","7","2","7","1","1") = "6"
    & skf21("2","1","2","7","2","7","2","1") = "6"
    & skf21("2","1","2","7","2","7","3","1") = "6"
    & skf21("2","1","2","7","2","7","4","1") = "6"
    & skf21("2","1","2","7","2","7","5","1") = "6"
    & skf21("2","1","2","7","2","7","6","1") = "6"
    & skf21("2","1","2","7","2","7","7","1") = "6"
    & skf21("2","1","2","7","3","1","1","1") = "6"
    & skf21("2","1","2","7","3","1","2","1") = "6"
    & skf21("2","1","2","7","3","1","3","1") = "6"
    & skf21("2","1","2","7","3","1","4","1") = "6"
    & skf21("2","1","2","7","3","1","5","1") = "6"
    & skf21("2","1","2","7","3","1","6","1") = "6"
    & skf21("2","1","2","7","3","1","7","1") = "6"
    & skf21("2","1","2","7","3","2","1","1") = "6"
    & skf21("2","1","2","7","3","2","2","1") = "6"
    & skf21("2","1","2","7","3","2","3","1") = "6"
    & skf21("2","1","2","7","3","2","4","1") = "6"
    & skf21("2","1","2","7","3","2","5","1") = "6"
    & skf21("2","1","2","7","3","2","6","1") = "6"
    & skf21("2","1","2","7","3","2","7","1") = "6"
    & skf21("2","1","2","7","3","3","1","1") = "6"
    & skf21("2","1","2","7","3","3","2","1") = "6"
    & skf21("2","1","2","7","3","3","3","1") = "6"
    & skf21("2","1","2","7","3","3","4","1") = "6"
    & skf21("2","1","2","7","3","3","5","1") = "6"
    & skf21("2","1","2","7","3","3","6","1") = "6"
    & skf21("2","1","2","7","3","3","7","1") = "6"
    & skf21("2","1","2","7","3","4","1","1") = "6"
    & skf21("2","1","2","7","3","4","2","1") = "6"
    & skf21("2","1","2","7","3","4","3","1") = "6"
    & skf21("2","1","2","7","3","4","4","1") = "6"
    & skf21("2","1","2","7","3","4","5","1") = "6"
    & skf21("2","1","2","7","3","4","6","1") = "6"
    & skf21("2","1","2","7","3","4","7","1") = "6"
    & skf21("2","1","2","7","3","5","1","1") = "6"
    & skf21("2","1","2","7","3","5","2","1") = "6"
    & skf21("2","1","2","7","3","5","3","1") = "6"
    & skf21("2","1","2","7","3","5","4","1") = "6"
    & skf21("2","1","2","7","3","5","5","1") = "6"
    & skf21("2","1","2","7","3","5","6","1") = "6"
    & skf21("2","1","2","7","3","5","7","1") = "6"
    & skf21("2","1","2","7","3","6","1","1") = "6"
    & skf21("2","1","2","7","3","6","2","1") = "6"
    & skf21("2","1","2","7","3","6","3","1") = "6"
    & skf21("2","1","2","7","3","6","4","1") = "6"
    & skf21("2","1","2","7","3","6","5","1") = "6"
    & skf21("2","1","2","7","3","6","6","1") = "6"
    & skf21("2","1","2","7","3","6","7","1") = "6"
    & skf21("2","1","2","7","3","7","1","1") = "6"
    & skf21("2","1","2","7","3","7","2","1") = "6"
    & skf21("2","1","2","7","3","7","3","1") = "6"
    & skf21("2","1","2","7","3","7","4","1") = "6"
    & skf21("2","1","2","7","3","7","5","1") = "6"
    & skf21("2","1","2","7","3","7","6","1") = "6"
    & skf21("2","1","2","7","3","7","7","1") = "6"
    & skf21("2","1","2","7","4","1","1","1") = "6"
    & skf21("2","1","2","7","4","1","2","1") = "6"
    & skf21("2","1","2","7","4","1","3","1") = "6"
    & skf21("2","1","2","7","4","1","4","1") = "6"
    & skf21("2","1","2","7","4","1","5","1") = "6"
    & skf21("2","1","2","7","4","1","6","1") = "6"
    & skf21("2","1","2","7","4","1","7","1") = "6"
    & skf21("2","1","2","7","4","2","1","1") = "6"
    & skf21("2","1","2","7","4","2","2","1") = "6"
    & skf21("2","1","2","7","4","2","3","1") = "6"
    & skf21("2","1","2","7","4","2","4","1") = "6"
    & skf21("2","1","2","7","4","2","5","1") = "6"
    & skf21("2","1","2","7","4","2","6","1") = "6"
    & skf21("2","1","2","7","4","2","7","1") = "6"
    & skf21("2","1","2","7","4","3","1","1") = "6"
    & skf21("2","1","2","7","4","3","2","1") = "6"
    & skf21("2","1","2","7","4","3","3","1") = "6"
    & skf21("2","1","2","7","4","3","4","1") = "6"
    & skf21("2","1","2","7","4","3","5","1") = "6"
    & skf21("2","1","2","7","4","3","6","1") = "6"
    & skf21("2","1","2","7","4","3","7","1") = "6"
    & skf21("2","1","2","7","4","4","1","1") = "6"
    & skf21("2","1","2","7","4","4","2","1") = "6"
    & skf21("2","1","2","7","4","4","3","1") = "6"
    & skf21("2","1","2","7","4","4","4","1") = "6"
    & skf21("2","1","2","7","4","4","5","1") = "6"
    & skf21("2","1","2","7","4","4","6","1") = "6"
    & skf21("2","1","2","7","4","4","7","1") = "6"
    & skf21("2","1","2","7","4","5","1","1") = "6"
    & skf21("2","1","2","7","4","5","2","1") = "6"
    & skf21("2","1","2","7","4","5","3","1") = "6"
    & skf21("2","1","2","7","4","5","4","1") = "6"
    & skf21("2","1","2","7","4","5","5","1") = "6"
    & skf21("2","1","2","7","4","5","6","1") = "6"
    & skf21("2","1","2","7","4","5","7","1") = "6"
    & skf21("2","1","2","7","4","6","1","1") = "6"
    & skf21("2","1","2","7","4","6","2","1") = "6"
    & skf21("2","1","2","7","4","6","3","1") = "6"
    & skf21("2","1","2","7","4","6","4","1") = "6"
    & skf21("2","1","2","7","4","6","5","1") = "6"
    & skf21("2","1","2","7","4","6","6","1") = "6"
    & skf21("2","1","2","7","4","6","7","1") = "6"
    & skf21("2","1","2","7","4","7","1","1") = "6"
    & skf21("2","1","2","7","4","7","2","1") = "6"
    & skf21("2","1","2","7","4","7","3","1") = "6"
    & skf21("2","1","2","7","4","7","4","1") = "6"
    & skf21("2","1","2","7","4","7","5","1") = "6"
    & skf21("2","1","2","7","4","7","6","1") = "6"
    & skf21("2","1","2","7","4","7","7","1") = "6"
    & skf21("2","1","2","7","5","1","1","1") = "6"
    & skf21("2","1","2","7","5","1","2","1") = "6"
    & skf21("2","1","2","7","5","1","3","1") = "6"
    & skf21("2","1","2","7","5","1","4","1") = "6"
    & skf21("2","1","2","7","5","1","5","1") = "6"
    & skf21("2","1","2","7","5","1","6","1") = "6"
    & skf21("2","1","2","7","5","1","7","1") = "6"
    & skf21("2","1","2","7","5","2","1","1") = "6"
    & skf21("2","1","2","7","5","2","2","1") = "6"
    & skf21("2","1","2","7","5","2","3","1") = "6"
    & skf21("2","1","2","7","5","2","4","1") = "6"
    & skf21("2","1","2","7","5","2","5","1") = "6"
    & skf21("2","1","2","7","5","2","6","1") = "6"
    & skf21("2","1","2","7","5","2","7","1") = "6"
    & skf21("2","1","2","7","5","3","1","1") = "6"
    & skf21("2","1","2","7","5","3","2","1") = "6"
    & skf21("2","1","2","7","5","3","3","1") = "6"
    & skf21("2","1","2","7","5","3","4","1") = "6"
    & skf21("2","1","2","7","5","3","5","1") = "6"
    & skf21("2","1","2","7","5","3","6","1") = "6"
    & skf21("2","1","2","7","5","3","7","1") = "6"
    & skf21("2","1","2","7","5","4","1","1") = "6"
    & skf21("2","1","2","7","5","4","2","1") = "6"
    & skf21("2","1","2","7","5","4","3","1") = "6"
    & skf21("2","1","2","7","5","4","4","1") = "6"
    & skf21("2","1","2","7","5","4","5","1") = "6"
    & skf21("2","1","2","7","5","4","6","1") = "6"
    & skf21("2","1","2","7","5","4","7","1") = "6"
    & skf21("2","1","2","7","5","5","1","1") = "6"
    & skf21("2","1","2","7","5","5","2","1") = "6"
    & skf21("2","1","2","7","5","5","3","1") = "6"
    & skf21("2","1","2","7","5","5","4","1") = "6"
    & skf21("2","1","2","7","5","5","5","1") = "6"
    & skf21("2","1","2","7","5","5","6","1") = "6"
    & skf21("2","1","2","7","5","5","7","1") = "6"
    & skf21("2","1","2","7","5","6","1","1") = "6"
    & skf21("2","1","2","7","5","6","2","1") = "6"
    & skf21("2","1","2","7","5","6","3","1") = "6"
    & skf21("2","1","2","7","5","6","4","1") = "6"
    & skf21("2","1","2","7","5","6","5","1") = "6"
    & skf21("2","1","2","7","5","6","6","1") = "6"
    & skf21("2","1","2","7","5","6","7","1") = "6"
    & skf21("2","1","2","7","5","7","1","1") = "6"
    & skf21("2","1","2","7","5","7","2","1") = "6"
    & skf21("2","1","2","7","5","7","3","1") = "6"
    & skf21("2","1","2","7","5","7","4","1") = "6"
    & skf21("2","1","2","7","5","7","5","1") = "6"
    & skf21("2","1","2","7","5","7","6","1") = "6"
    & skf21("2","1","2","7","5","7","7","1") = "6"
    & skf21("2","1","2","7","6","1","1","1") = "6"
    & skf21("2","1","2","7","6","1","2","1") = "6"
    & skf21("2","1","2","7","6","1","3","1") = "6"
    & skf21("2","1","2","7","6","1","4","1") = "6"
    & skf21("2","1","2","7","6","1","5","1") = "6"
    & skf21("2","1","2","7","6","1","6","1") = "6"
    & skf21("2","1","2","7","6","1","7","1") = "6"
    & skf21("2","1","2","7","6","2","1","1") = "6"
    & skf21("2","1","2","7","6","2","2","1") = "6"
    & skf21("2","1","2","7","6","2","3","1") = "6"
    & skf21("2","1","2","7","6","2","4","1") = "6"
    & skf21("2","1","2","7","6","2","5","1") = "6"
    & skf21("2","1","2","7","6","2","6","1") = "6"
    & skf21("2","1","2","7","6","2","7","1") = "6"
    & skf21("2","1","2","7","6","3","1","1") = "6"
    & skf21("2","1","2","7","6","3","2","1") = "6"
    & skf21("2","1","2","7","6","3","3","1") = "6"
    & skf21("2","1","2","7","6","3","4","1") = "6"
    & skf21("2","1","2","7","6","3","5","1") = "6"
    & skf21("2","1","2","7","6","3","6","1") = "6"
    & skf21("2","1","2","7","6","3","7","1") = "6"
    & skf21("2","1","2","7","6","4","1","1") = "6"
    & skf21("2","1","2","7","6","4","2","1") = "6"
    & skf21("2","1","2","7","6","4","3","1") = "6"
    & skf21("2","1","2","7","6","4","4","1") = "6"
    & skf21("2","1","2","7","6","4","5","1") = "6"
    & skf21("2","1","2","7","6","4","6","1") = "6"
    & skf21("2","1","2","7","6","4","7","1") = "6"
    & skf21("2","1","2","7","6","5","1","1") = "6"
    & skf21("2","1","2","7","6","5","2","1") = "6"
    & skf21("2","1","2","7","6","5","3","1") = "6"
    & skf21("2","1","2","7","6","5","4","1") = "6"
    & skf21("2","1","2","7","6","5","5","1") = "6"
    & skf21("2","1","2","7","6","5","6","1") = "6"
    & skf21("2","1","2","7","6","5","7","1") = "6"
    & skf21("2","1","2","7","6","6","1","1") = "6"
    & skf21("2","1","2","7","6","6","2","1") = "6"
    & skf21("2","1","2","7","6","6","3","1") = "6"
    & skf21("2","1","2","7","6","6","4","1") = "6"
    & skf21("2","1","2","7","6","6","5","1") = "6"
    & skf21("2","1","2","7","6","6","6","1") = "6"
    & skf21("2","1","2","7","6","6","7","1") = "6"
    & skf21("2","1","2","7","6","7","1","1") = "6"
    & skf21("2","1","2","7","6","7","2","1") = "6"
    & skf21("2","1","2","7","6","7","3","1") = "6"
    & skf21("2","1","2","7","6","7","4","1") = "6"
    & skf21("2","1","2","7","6","7","5","1") = "6"
    & skf21("2","1","2","7","6","7","6","1") = "6"
    & skf21("2","1","2","7","6","7","7","1") = "6"
    & skf21("2","1","2","7","7","1","1","1") = "6"
    & skf21("2","1","2","7","7","1","2","1") = "6"
    & skf21("2","1","2","7","7","1","3","1") = "6"
    & skf21("2","1","2","7","7","1","4","1") = "6"
    & skf21("2","1","2","7","7","1","5","1") = "6"
    & skf21("2","1","2","7","7","1","6","1") = "6"
    & skf21("2","1","2","7","7","1","7","1") = "6"
    & skf21("2","1","2","7","7","2","1","1") = "6"
    & skf21("2","1","2","7","7","2","2","1") = "6"
    & skf21("2","1","2","7","7","2","3","1") = "6"
    & skf21("2","1","2","7","7","2","4","1") = "6"
    & skf21("2","1","2","7","7","2","5","1") = "6"
    & skf21("2","1","2","7","7","2","6","1") = "6"
    & skf21("2","1","2","7","7","2","7","1") = "6"
    & skf21("2","1","2","7","7","3","1","1") = "6"
    & skf21("2","1","2","7","7","3","2","1") = "6"
    & skf21("2","1","2","7","7","3","3","1") = "6"
    & skf21("2","1","2","7","7","3","4","1") = "6"
    & skf21("2","1","2","7","7","3","5","1") = "6"
    & skf21("2","1","2","7","7","3","6","1") = "6"
    & skf21("2","1","2","7","7","3","7","1") = "6"
    & skf21("2","1","2","7","7","4","1","1") = "6"
    & skf21("2","1","2","7","7","4","2","1") = "6"
    & skf21("2","1","2","7","7","4","3","1") = "6"
    & skf21("2","1","2","7","7","4","4","1") = "6"
    & skf21("2","1","2","7","7","4","5","1") = "6"
    & skf21("2","1","2","7","7","4","6","1") = "6"
    & skf21("2","1","2","7","7","4","7","1") = "6"
    & skf21("2","1","2","7","7","5","1","1") = "6"
    & skf21("2","1","2","7","7","5","2","1") = "6"
    & skf21("2","1","2","7","7","5","3","1") = "6"
    & skf21("2","1","2","7","7","5","4","1") = "6"
    & skf21("2","1","2","7","7","5","5","1") = "6"
    & skf21("2","1","2","7","7","5","6","1") = "6"
    & skf21("2","1","2","7","7","5","7","1") = "6"
    & skf21("2","1","2","7","7","6","1","1") = "6"
    & skf21("2","1","2","7","7","6","2","1") = "6"
    & skf21("2","1","2","7","7","6","3","1") = "6"
    & skf21("2","1","2","7","7","6","4","1") = "6"
    & skf21("2","1","2","7","7","6","5","1") = "6"
    & skf21("2","1","2","7","7","6","6","1") = "6"
    & skf21("2","1","2","7","7","6","7","1") = "6"
    & skf21("2","1","2","7","7","7","1","1") = "6"
    & skf21("2","1","2","7","7","7","2","1") = "6"
    & skf21("2","1","2","7","7","7","3","1") = "6"
    & skf21("2","1","2","7","7","7","4","1") = "6"
    & skf21("2","1","2","7","7","7","5","1") = "6"
    & skf21("2","1","2","7","7","7","6","1") = "6"
    & skf21("2","1","2","7","7","7","7","1") = "6"
    & skf21("2","1","3","1","1","1","1","1") = "2"
    & skf21("2","1","3","1","1","1","2","1") = "2"
    & skf21("2","1","3","1","1","1","3","1") = "2"
    & skf21("2","1","3","1","1","1","4","1") = "3"
    & skf21("2","1","3","1","1","1","5","1") = "4"
    & skf21("2","1","3","1","1","1","6","1") = "5"
    & skf21("2","1","3","1","1","1","7","1") = "6"
    & skf21("2","1","3","1","1","2","1","1") = "2"
    & skf21("2","1","3","1","1","2","2","1") = "2"
    & skf21("2","1","3","1","1","2","3","1") = "2"
    & skf21("2","1","3","1","1","2","4","1") = "3"
    & skf21("2","1","3","1","1","2","5","1") = "4"
    & skf21("2","1","3","1","1","2","6","1") = "5"
    & skf21("2","1","3","1","1","2","7","1") = "6"
    & skf21("2","1","3","1","1","3","1","1") = "2"
    & skf21("2","1","3","1","1","3","2","1") = "2"
    & skf21("2","1","3","1","1","3","3","1") = "2"
    & skf21("2","1","3","1","1","3","4","1") = "3"
    & skf21("2","1","3","1","1","3","5","1") = "4"
    & skf21("2","1","3","1","1","3","6","1") = "5"
    & skf21("2","1","3","1","1","3","7","1") = "6"
    & skf21("2","1","3","1","1","4","1","1") = "3"
    & skf21("2","1","3","1","1","4","2","1") = "3"
    & skf21("2","1","3","1","1","4","3","1") = "3"
    & skf21("2","1","3","1","1","4","4","1") = "3"
    & skf21("2","1","3","1","1","4","5","1") = "4"
    & skf21("2","1","3","1","1","4","6","1") = "5"
    & skf21("2","1","3","1","1","4","7","1") = "6"
    & skf21("2","1","3","1","1","5","1","1") = "4"
    & skf21("2","1","3","1","1","5","2","1") = "4"
    & skf21("2","1","3","1","1","5","3","1") = "4"
    & skf21("2","1","3","1","1","5","4","1") = "4"
    & skf21("2","1","3","1","1","5","5","1") = "4"
    & skf21("2","1","3","1","1","5","6","1") = "5"
    & skf21("2","1","3","1","1","5","7","1") = "6"
    & skf21("2","1","3","1","1","6","1","1") = "5"
    & skf21("2","1","3","1","1","6","2","1") = "5"
    & skf21("2","1","3","1","1","6","3","1") = "5"
    & skf21("2","1","3","1","1","6","4","1") = "5"
    & skf21("2","1","3","1","1","6","5","1") = "5"
    & skf21("2","1","3","1","1","6","6","1") = "5"
    & skf21("2","1","3","1","1","6","7","1") = "6"
    & skf21("2","1","3","1","1","7","1","1") = "6"
    & skf21("2","1","3","1","1","7","2","1") = "6"
    & skf21("2","1","3","1","1","7","3","1") = "6"
    & skf21("2","1","3","1","1","7","4","1") = "6"
    & skf21("2","1","3","1","1","7","5","1") = "6"
    & skf21("2","1","3","1","1","7","6","1") = "6"
    & skf21("2","1","3","1","1","7","7","1") = "6"
    & skf21("2","1","3","1","2","1","1","1") = "2"
    & skf21("2","1","3","1","2","1","2","1") = "2"
    & skf21("2","1","3","1","2","1","3","1") = "2"
    & skf21("2","1","3","1","2","1","4","1") = "3"
    & skf21("2","1","3","1","2","1","5","1") = "4"
    & skf21("2","1","3","1","2","1","6","1") = "5"
    & skf21("2","1","3","1","2","1","7","1") = "6"
    & skf21("2","1","3","1","2","2","1","1") = "2"
    & skf21("2","1","3","1","2","2","2","1") = "2"
    & skf21("2","1","3","1","2","2","3","1") = "2"
    & skf21("2","1","3","1","2","2","4","1") = "3"
    & skf21("2","1","3","1","2","2","5","1") = "4"
    & skf21("2","1","3","1","2","2","6","1") = "5"
    & skf21("2","1","3","1","2","2","7","1") = "6"
    & skf21("2","1","3","1","2","3","1","1") = "2"
    & skf21("2","1","3","1","2","3","2","1") = "2"
    & skf21("2","1","3","1","2","3","3","1") = "2"
    & skf21("2","1","3","1","2","3","4","1") = "3"
    & skf21("2","1","3","1","2","3","5","1") = "4"
    & skf21("2","1","3","1","2","3","6","1") = "5"
    & skf21("2","1","3","1","2","3","7","1") = "6"
    & skf21("2","1","3","1","2","4","1","1") = "3"
    & skf21("2","1","3","1","2","4","2","1") = "3"
    & skf21("2","1","3","1","2","4","3","1") = "3"
    & skf21("2","1","3","1","2","4","4","1") = "3"
    & skf21("2","1","3","1","2","4","5","1") = "4"
    & skf21("2","1","3","1","2","4","6","1") = "5"
    & skf21("2","1","3","1","2","4","7","1") = "6"
    & skf21("2","1","3","1","2","5","1","1") = "4"
    & skf21("2","1","3","1","2","5","2","1") = "4"
    & skf21("2","1","3","1","2","5","3","1") = "4"
    & skf21("2","1","3","1","2","5","4","1") = "4"
    & skf21("2","1","3","1","2","5","5","1") = "4"
    & skf21("2","1","3","1","2","5","6","1") = "5"
    & skf21("2","1","3","1","2","5","7","1") = "6"
    & skf21("2","1","3","1","2","6","1","1") = "5"
    & skf21("2","1","3","1","2","6","2","1") = "5"
    & skf21("2","1","3","1","2","6","3","1") = "5"
    & skf21("2","1","3","1","2","6","4","1") = "5"
    & skf21("2","1","3","1","2","6","5","1") = "5"
    & skf21("2","1","3","1","2","6","6","1") = "5"
    & skf21("2","1","3","1","2","6","7","1") = "6"
    & skf21("2","1","3","1","2","7","1","1") = "6"
    & skf21("2","1","3","1","2","7","2","1") = "6"
    & skf21("2","1","3","1","2","7","3","1") = "6"
    & skf21("2","1","3","1","2","7","4","1") = "6"
    & skf21("2","1","3","1","2","7","5","1") = "6"
    & skf21("2","1","3","1","2","7","6","1") = "6"
    & skf21("2","1","3","1","2","7","7","1") = "6"
    & skf21("2","1","3","1","3","1","1","1") = "2"
    & skf21("2","1","3","1","3","1","2","1") = "2"
    & skf21("2","1","3","1","3","1","3","1") = "2"
    & skf21("2","1","3","1","3","1","4","1") = "3"
    & skf21("2","1","3","1","3","1","5","1") = "4"
    & skf21("2","1","3","1","3","1","6","1") = "5"
    & skf21("2","1","3","1","3","1","7","1") = "6"
    & skf21("2","1","3","1","3","2","1","1") = "2"
    & skf21("2","1","3","1","3","2","2","1") = "2"
    & skf21("2","1","3","1","3","2","3","1") = "2"
    & skf21("2","1","3","1","3","2","4","1") = "3"
    & skf21("2","1","3","1","3","2","5","1") = "4"
    & skf21("2","1","3","1","3","2","6","1") = "5"
    & skf21("2","1","3","1","3","2","7","1") = "6"
    & skf21("2","1","3","1","3","3","1","1") = "2"
    & skf21("2","1","3","1","3","3","2","1") = "2"
    & skf21("2","1","3","1","3","3","3","1") = "2"
    & skf21("2","1","3","1","3","3","4","1") = "3"
    & skf21("2","1","3","1","3","3","5","1") = "4"
    & skf21("2","1","3","1","3","3","6","1") = "5"
    & skf21("2","1","3","1","3","3","7","1") = "6"
    & skf21("2","1","3","1","3","4","1","1") = "3"
    & skf21("2","1","3","1","3","4","2","1") = "3"
    & skf21("2","1","3","1","3","4","3","1") = "3"
    & skf21("2","1","3","1","3","4","4","1") = "3"
    & skf21("2","1","3","1","3","4","5","1") = "4"
    & skf21("2","1","3","1","3","4","6","1") = "5"
    & skf21("2","1","3","1","3","4","7","1") = "6"
    & skf21("2","1","3","1","3","5","1","1") = "4"
    & skf21("2","1","3","1","3","5","2","1") = "4"
    & skf21("2","1","3","1","3","5","3","1") = "4"
    & skf21("2","1","3","1","3","5","4","1") = "4"
    & skf21("2","1","3","1","3","5","5","1") = "4"
    & skf21("2","1","3","1","3","5","6","1") = "5"
    & skf21("2","1","3","1","3","5","7","1") = "6"
    & skf21("2","1","3","1","3","6","1","1") = "5"
    & skf21("2","1","3","1","3","6","2","1") = "5"
    & skf21("2","1","3","1","3","6","3","1") = "5"
    & skf21("2","1","3","1","3","6","4","1") = "5"
    & skf21("2","1","3","1","3","6","5","1") = "5"
    & skf21("2","1","3","1","3","6","6","1") = "5"
    & skf21("2","1","3","1","3","6","7","1") = "6"
    & skf21("2","1","3","1","3","7","1","1") = "6"
    & skf21("2","1","3","1","3","7","2","1") = "6"
    & skf21("2","1","3","1","3","7","3","1") = "6"
    & skf21("2","1","3","1","3","7","4","1") = "6"
    & skf21("2","1","3","1","3","7","5","1") = "6"
    & skf21("2","1","3","1","3","7","6","1") = "6"
    & skf21("2","1","3","1","3","7","7","1") = "6"
    & skf21("2","1","3","1","4","1","1","1") = "3"
    & skf21("2","1","3","1","4","1","2","1") = "3"
    & skf21("2","1","3","1","4","1","3","1") = "3"
    & skf21("2","1","3","1","4","1","4","1") = "3"
    & skf21("2","1","3","1","4","1","5","1") = "4"
    & skf21("2","1","3","1","4","1","6","1") = "5"
    & skf21("2","1","3","1","4","1","7","1") = "6"
    & skf21("2","1","3","1","4","2","1","1") = "3"
    & skf21("2","1","3","1","4","2","2","1") = "3"
    & skf21("2","1","3","1","4","2","3","1") = "3"
    & skf21("2","1","3","1","4","2","4","1") = "3"
    & skf21("2","1","3","1","4","2","5","1") = "4"
    & skf21("2","1","3","1","4","2","6","1") = "5"
    & skf21("2","1","3","1","4","2","7","1") = "6"
    & skf21("2","1","3","1","4","3","1","1") = "3"
    & skf21("2","1","3","1","4","3","2","1") = "3"
    & skf21("2","1","3","1","4","3","3","1") = "3"
    & skf21("2","1","3","1","4","3","4","1") = "3"
    & skf21("2","1","3","1","4","3","5","1") = "4"
    & skf21("2","1","3","1","4","3","6","1") = "5"
    & skf21("2","1","3","1","4","3","7","1") = "6"
    & skf21("2","1","3","1","4","4","1","1") = "3"
    & skf21("2","1","3","1","4","4","2","1") = "3"
    & skf21("2","1","3","1","4","4","3","1") = "3"
    & skf21("2","1","3","1","4","4","4","1") = "3"
    & skf21("2","1","3","1","4","4","5","1") = "4"
    & skf21("2","1","3","1","4","4","6","1") = "5"
    & skf21("2","1","3","1","4","4","7","1") = "6"
    & skf21("2","1","3","1","4","5","1","1") = "4"
    & skf21("2","1","3","1","4","5","2","1") = "4"
    & skf21("2","1","3","1","4","5","3","1") = "4"
    & skf21("2","1","3","1","4","5","4","1") = "4"
    & skf21("2","1","3","1","4","5","5","1") = "4"
    & skf21("2","1","3","1","4","5","6","1") = "5"
    & skf21("2","1","3","1","4","5","7","1") = "6"
    & skf21("2","1","3","1","4","6","1","1") = "5"
    & skf21("2","1","3","1","4","6","2","1") = "5"
    & skf21("2","1","3","1","4","6","3","1") = "5"
    & skf21("2","1","3","1","4","6","4","1") = "5"
    & skf21("2","1","3","1","4","6","5","1") = "5"
    & skf21("2","1","3","1","4","6","6","1") = "5"
    & skf21("2","1","3","1","4","6","7","1") = "6"
    & skf21("2","1","3","1","4","7","1","1") = "6"
    & skf21("2","1","3","1","4","7","2","1") = "6"
    & skf21("2","1","3","1","4","7","3","1") = "6"
    & skf21("2","1","3","1","4","7","4","1") = "6"
    & skf21("2","1","3","1","4","7","5","1") = "6"
    & skf21("2","1","3","1","4","7","6","1") = "6"
    & skf21("2","1","3","1","4","7","7","1") = "6"
    & skf21("2","1","3","1","5","1","1","1") = "4"
    & skf21("2","1","3","1","5","1","2","1") = "4"
    & skf21("2","1","3","1","5","1","3","1") = "4"
    & skf21("2","1","3","1","5","1","4","1") = "4"
    & skf21("2","1","3","1","5","1","5","1") = "4"
    & skf21("2","1","3","1","5","1","6","1") = "5"
    & skf21("2","1","3","1","5","1","7","1") = "6"
    & skf21("2","1","3","1","5","2","1","1") = "4"
    & skf21("2","1","3","1","5","2","2","1") = "4"
    & skf21("2","1","3","1","5","2","3","1") = "4"
    & skf21("2","1","3","1","5","2","4","1") = "4"
    & skf21("2","1","3","1","5","2","5","1") = "4"
    & skf21("2","1","3","1","5","2","6","1") = "5"
    & skf21("2","1","3","1","5","2","7","1") = "6"
    & skf21("2","1","3","1","5","3","1","1") = "4"
    & skf21("2","1","3","1","5","3","2","1") = "4"
    & skf21("2","1","3","1","5","3","3","1") = "4"
    & skf21("2","1","3","1","5","3","4","1") = "4"
    & skf21("2","1","3","1","5","3","5","1") = "4"
    & skf21("2","1","3","1","5","3","6","1") = "5"
    & skf21("2","1","3","1","5","3","7","1") = "6"
    & skf21("2","1","3","1","5","4","1","1") = "4"
    & skf21("2","1","3","1","5","4","2","1") = "4"
    & skf21("2","1","3","1","5","4","3","1") = "4"
    & skf21("2","1","3","1","5","4","4","1") = "4"
    & skf21("2","1","3","1","5","4","5","1") = "4"
    & skf21("2","1","3","1","5","4","6","1") = "5"
    & skf21("2","1","3","1","5","4","7","1") = "6"
    & skf21("2","1","3","1","5","5","1","1") = "4"
    & skf21("2","1","3","1","5","5","2","1") = "4"
    & skf21("2","1","3","1","5","5","3","1") = "4"
    & skf21("2","1","3","1","5","5","4","1") = "4"
    & skf21("2","1","3","1","5","5","5","1") = "4"
    & skf21("2","1","3","1","5","5","6","1") = "5"
    & skf21("2","1","3","1","5","5","7","1") = "6"
    & skf21("2","1","3","1","5","6","1","1") = "5"
    & skf21("2","1","3","1","5","6","2","1") = "5"
    & skf21("2","1","3","1","5","6","3","1") = "5"
    & skf21("2","1","3","1","5","6","4","1") = "5"
    & skf21("2","1","3","1","5","6","5","1") = "5"
    & skf21("2","1","3","1","5","6","6","1") = "5"
    & skf21("2","1","3","1","5","6","7","1") = "6"
    & skf21("2","1","3","1","5","7","1","1") = "6"
    & skf21("2","1","3","1","5","7","2","1") = "6"
    & skf21("2","1","3","1","5","7","3","1") = "6"
    & skf21("2","1","3","1","5","7","4","1") = "6"
    & skf21("2","1","3","1","5","7","5","1") = "6"
    & skf21("2","1","3","1","5","7","6","1") = "6"
    & skf21("2","1","3","1","5","7","7","1") = "6"
    & skf21("2","1","3","1","6","1","1","1") = "5"
    & skf21("2","1","3","1","6","1","2","1") = "5"
    & skf21("2","1","3","1","6","1","3","1") = "5"
    & skf21("2","1","3","1","6","1","4","1") = "5"
    & skf21("2","1","3","1","6","1","5","1") = "5"
    & skf21("2","1","3","1","6","1","6","1") = "5"
    & skf21("2","1","3","1","6","1","7","1") = "6"
    & skf21("2","1","3","1","6","2","1","1") = "5"
    & skf21("2","1","3","1","6","2","2","1") = "5"
    & skf21("2","1","3","1","6","2","3","1") = "5"
    & skf21("2","1","3","1","6","2","4","1") = "5"
    & skf21("2","1","3","1","6","2","5","1") = "5"
    & skf21("2","1","3","1","6","2","6","1") = "5"
    & skf21("2","1","3","1","6","2","7","1") = "6"
    & skf21("2","1","3","1","6","3","1","1") = "5"
    & skf21("2","1","3","1","6","3","2","1") = "5"
    & skf21("2","1","3","1","6","3","3","1") = "5"
    & skf21("2","1","3","1","6","3","4","1") = "5"
    & skf21("2","1","3","1","6","3","5","1") = "5"
    & skf21("2","1","3","1","6","3","6","1") = "5"
    & skf21("2","1","3","1","6","3","7","1") = "6"
    & skf21("2","1","3","1","6","4","1","1") = "5"
    & skf21("2","1","3","1","6","4","2","1") = "5"
    & skf21("2","1","3","1","6","4","3","1") = "5"
    & skf21("2","1","3","1","6","4","4","1") = "5"
    & skf21("2","1","3","1","6","4","5","1") = "5"
    & skf21("2","1","3","1","6","4","6","1") = "5"
    & skf21("2","1","3","1","6","4","7","1") = "6"
    & skf21("2","1","3","1","6","5","1","1") = "5"
    & skf21("2","1","3","1","6","5","2","1") = "5"
    & skf21("2","1","3","1","6","5","3","1") = "5"
    & skf21("2","1","3","1","6","5","4","1") = "5"
    & skf21("2","1","3","1","6","5","5","1") = "5"
    & skf21("2","1","3","1","6","5","6","1") = "5"
    & skf21("2","1","3","1","6","5","7","1") = "6"
    & skf21("2","1","3","1","6","6","1","1") = "5"
    & skf21("2","1","3","1","6","6","2","1") = "5"
    & skf21("2","1","3","1","6","6","3","1") = "5"
    & skf21("2","1","3","1","6","6","4","1") = "5"
    & skf21("2","1","3","1","6","6","5","1") = "5"
    & skf21("2","1","3","1","6","6","6","1") = "5"
    & skf21("2","1","3","1","6","6","7","1") = "6"
    & skf21("2","1","3","1","6","7","1","1") = "6"
    & skf21("2","1","3","1","6","7","2","1") = "6"
    & skf21("2","1","3","1","6","7","3","1") = "6"
    & skf21("2","1","3","1","6","7","4","1") = "6"
    & skf21("2","1","3","1","6","7","5","1") = "6"
    & skf21("2","1","3","1","6","7","6","1") = "6"
    & skf21("2","1","3","1","6","7","7","1") = "6"
    & skf21("2","1","3","1","7","1","1","1") = "6"
    & skf21("2","1","3","1","7","1","2","1") = "6"
    & skf21("2","1","3","1","7","1","3","1") = "6"
    & skf21("2","1","3","1","7","1","4","1") = "6"
    & skf21("2","1","3","1","7","1","5","1") = "6"
    & skf21("2","1","3","1","7","1","6","1") = "6"
    & skf21("2","1","3","1","7","1","7","1") = "6"
    & skf21("2","1","3","1","7","2","1","1") = "6"
    & skf21("2","1","3","1","7","2","2","1") = "6"
    & skf21("2","1","3","1","7","2","3","1") = "6"
    & skf21("2","1","3","1","7","2","4","1") = "6"
    & skf21("2","1","3","1","7","2","5","1") = "6"
    & skf21("2","1","3","1","7","2","6","1") = "6"
    & skf21("2","1","3","1","7","2","7","1") = "6"
    & skf21("2","1","3","1","7","3","1","1") = "6"
    & skf21("2","1","3","1","7","3","2","1") = "6"
    & skf21("2","1","3","1","7","3","3","1") = "6"
    & skf21("2","1","3","1","7","3","4","1") = "6"
    & skf21("2","1","3","1","7","3","5","1") = "6"
    & skf21("2","1","3","1","7","3","6","1") = "6"
    & skf21("2","1","3","1","7","3","7","1") = "6"
    & skf21("2","1","3","1","7","4","1","1") = "6"
    & skf21("2","1","3","1","7","4","2","1") = "6"
    & skf21("2","1","3","1","7","4","3","1") = "6"
    & skf21("2","1","3","1","7","4","4","1") = "6"
    & skf21("2","1","3","1","7","4","5","1") = "6"
    & skf21("2","1","3","1","7","4","6","1") = "6"
    & skf21("2","1","3","1","7","4","7","1") = "6"
    & skf21("2","1","3","1","7","5","1","1") = "6"
    & skf21("2","1","3","1","7","5","2","1") = "6"
    & skf21("2","1","3","1","7","5","3","1") = "6"
    & skf21("2","1","3","1","7","5","4","1") = "6"
    & skf21("2","1","3","1","7","5","5","1") = "6"
    & skf21("2","1","3","1","7","5","6","1") = "6"
    & skf21("2","1","3","1","7","5","7","1") = "6"
    & skf21("2","1","3","1","7","6","1","1") = "6"
    & skf21("2","1","3","1","7","6","2","1") = "6"
    & skf21("2","1","3","1","7","6","3","1") = "6"
    & skf21("2","1","3","1","7","6","4","1") = "6"
    & skf21("2","1","3","1","7","6","5","1") = "6"
    & skf21("2","1","3","1","7","6","6","1") = "6"
    & skf21("2","1","3","1","7","6","7","1") = "6"
    & skf21("2","1","3","1","7","7","1","1") = "6"
    & skf21("2","1","3","1","7","7","2","1") = "6"
    & skf21("2","1","3","1","7","7","3","1") = "6"
    & skf21("2","1","3","1","7","7","4","1") = "6"
    & skf21("2","1","3","1","7","7","5","1") = "6"
    & skf21("2","1","3","1","7","7","6","1") = "6"
    & skf21("2","1","3","1","7","7","7","1") = "6"
    & skf21("2","1","3","2","1","1","1","1") = "2"
    & skf21("2","1","3","2","1","1","2","1") = "2"
    & skf21("2","1","3","2","1","1","3","1") = "2"
    & skf21("2","1","3","2","1","1","4","1") = "3"
    & skf21("2","1","3","2","1","1","5","1") = "4"
    & skf21("2","1","3","2","1","1","6","1") = "5"
    & skf21("2","1","3","2","1","1","7","1") = "6"
    & skf21("2","1","3","2","1","2","1","1") = "2"
    & skf21("2","1","3","2","1","2","2","1") = "2"
    & skf21("2","1","3","2","1","2","3","1") = "2"
    & skf21("2","1","3","2","1","2","4","1") = "3"
    & skf21("2","1","3","2","1","2","5","1") = "4"
    & skf21("2","1","3","2","1","2","6","1") = "5"
    & skf21("2","1","3","2","1","2","7","1") = "6"
    & skf21("2","1","3","2","1","3","1","1") = "2"
    & skf21("2","1","3","2","1","3","2","1") = "2"
    & skf21("2","1","3","2","1","3","3","1") = "2"
    & skf21("2","1","3","2","1","3","4","1") = "3"
    & skf21("2","1","3","2","1","3","5","1") = "4"
    & skf21("2","1","3","2","1","3","6","1") = "5"
    & skf21("2","1","3","2","1","3","7","1") = "6"
    & skf21("2","1","3","2","1","4","1","1") = "3"
    & skf21("2","1","3","2","1","4","2","1") = "3"
    & skf21("2","1","3","2","1","4","3","1") = "3"
    & skf21("2","1","3","2","1","4","4","1") = "3"
    & skf21("2","1","3","2","1","4","5","1") = "4"
    & skf21("2","1","3","2","1","4","6","1") = "5"
    & skf21("2","1","3","2","1","4","7","1") = "6"
    & skf21("2","1","3","2","1","5","1","1") = "4"
    & skf21("2","1","3","2","1","5","2","1") = "4"
    & skf21("2","1","3","2","1","5","3","1") = "4"
    & skf21("2","1","3","2","1","5","4","1") = "4"
    & skf21("2","1","3","2","1","5","5","1") = "4"
    & skf21("2","1","3","2","1","5","6","1") = "5"
    & skf21("2","1","3","2","1","5","7","1") = "6"
    & skf21("2","1","3","2","1","6","1","1") = "5"
    & skf21("2","1","3","2","1","6","2","1") = "5"
    & skf21("2","1","3","2","1","6","3","1") = "5"
    & skf21("2","1","3","2","1","6","4","1") = "5"
    & skf21("2","1","3","2","1","6","5","1") = "5"
    & skf21("2","1","3","2","1","6","6","1") = "5"
    & skf21("2","1","3","2","1","6","7","1") = "6"
    & skf21("2","1","3","2","1","7","1","1") = "6"
    & skf21("2","1","3","2","1","7","2","1") = "6"
    & skf21("2","1","3","2","1","7","3","1") = "6"
    & skf21("2","1","3","2","1","7","4","1") = "6"
    & skf21("2","1","3","2","1","7","5","1") = "6"
    & skf21("2","1","3","2","1","7","6","1") = "6"
    & skf21("2","1","3","2","1","7","7","1") = "6"
    & skf21("2","1","3","2","2","1","1","1") = "2"
    & skf21("2","1","3","2","2","1","2","1") = "2"
    & skf21("2","1","3","2","2","1","3","1") = "2"
    & skf21("2","1","3","2","2","1","4","1") = "3"
    & skf21("2","1","3","2","2","1","5","1") = "4"
    & skf21("2","1","3","2","2","1","6","1") = "5"
    & skf21("2","1","3","2","2","1","7","1") = "6"
    & skf21("2","1","3","2","2","2","1","1") = "2"
    & skf21("2","1","3","2","2","2","2","1") = "2"
    & skf21("2","1","3","2","2","2","3","1") = "2"
    & skf21("2","1","3","2","2","2","4","1") = "3"
    & skf21("2","1","3","2","2","2","5","1") = "4"
    & skf21("2","1","3","2","2","2","6","1") = "5"
    & skf21("2","1","3","2","2","2","7","1") = "6"
    & skf21("2","1","3","2","2","3","1","1") = "2"
    & skf21("2","1","3","2","2","3","2","1") = "2"
    & skf21("2","1","3","2","2","3","3","1") = "2"
    & skf21("2","1","3","2","2","3","4","1") = "3"
    & skf21("2","1","3","2","2","3","5","1") = "4"
    & skf21("2","1","3","2","2","3","6","1") = "5"
    & skf21("2","1","3","2","2","3","7","1") = "6"
    & skf21("2","1","3","2","2","4","1","1") = "3"
    & skf21("2","1","3","2","2","4","2","1") = "3"
    & skf21("2","1","3","2","2","4","3","1") = "3"
    & skf21("2","1","3","2","2","4","4","1") = "3"
    & skf21("2","1","3","2","2","4","5","1") = "4"
    & skf21("2","1","3","2","2","4","6","1") = "5"
    & skf21("2","1","3","2","2","4","7","1") = "6"
    & skf21("2","1","3","2","2","5","1","1") = "4"
    & skf21("2","1","3","2","2","5","2","1") = "4"
    & skf21("2","1","3","2","2","5","3","1") = "4"
    & skf21("2","1","3","2","2","5","4","1") = "4"
    & skf21("2","1","3","2","2","5","5","1") = "4"
    & skf21("2","1","3","2","2","5","6","1") = "5"
    & skf21("2","1","3","2","2","5","7","1") = "6"
    & skf21("2","1","3","2","2","6","1","1") = "5"
    & skf21("2","1","3","2","2","6","2","1") = "5"
    & skf21("2","1","3","2","2","6","3","1") = "5"
    & skf21("2","1","3","2","2","6","4","1") = "5"
    & skf21("2","1","3","2","2","6","5","1") = "5"
    & skf21("2","1","3","2","2","6","6","1") = "5"
    & skf21("2","1","3","2","2","6","7","1") = "6"
    & skf21("2","1","3","2","2","7","1","1") = "6"
    & skf21("2","1","3","2","2","7","2","1") = "6"
    & skf21("2","1","3","2","2","7","3","1") = "6"
    & skf21("2","1","3","2","2","7","4","1") = "6"
    & skf21("2","1","3","2","2","7","5","1") = "6"
    & skf21("2","1","3","2","2","7","6","1") = "6"
    & skf21("2","1","3","2","2","7","7","1") = "6"
    & skf21("2","1","3","2","3","1","1","1") = "2"
    & skf21("2","1","3","2","3","1","2","1") = "2"
    & skf21("2","1","3","2","3","1","3","1") = "2"
    & skf21("2","1","3","2","3","1","4","1") = "3"
    & skf21("2","1","3","2","3","1","5","1") = "4"
    & skf21("2","1","3","2","3","1","6","1") = "5"
    & skf21("2","1","3","2","3","1","7","1") = "6"
    & skf21("2","1","3","2","3","2","1","1") = "2"
    & skf21("2","1","3","2","3","2","2","1") = "2"
    & skf21("2","1","3","2","3","2","3","1") = "2"
    & skf21("2","1","3","2","3","2","4","1") = "3"
    & skf21("2","1","3","2","3","2","5","1") = "4"
    & skf21("2","1","3","2","3","2","6","1") = "5"
    & skf21("2","1","3","2","3","2","7","1") = "6"
    & skf21("2","1","3","2","3","3","1","1") = "2"
    & skf21("2","1","3","2","3","3","2","1") = "2"
    & skf21("2","1","3","2","3","3","3","1") = "2"
    & skf21("2","1","3","2","3","3","4","1") = "3"
    & skf21("2","1","3","2","3","3","5","1") = "4"
    & skf21("2","1","3","2","3","3","6","1") = "5"
    & skf21("2","1","3","2","3","3","7","1") = "6"
    & skf21("2","1","3","2","3","4","1","1") = "3"
    & skf21("2","1","3","2","3","4","2","1") = "3"
    & skf21("2","1","3","2","3","4","3","1") = "3"
    & skf21("2","1","3","2","3","4","4","1") = "3"
    & skf21("2","1","3","2","3","4","5","1") = "4"
    & skf21("2","1","3","2","3","4","6","1") = "5"
    & skf21("2","1","3","2","3","4","7","1") = "6"
    & skf21("2","1","3","2","3","5","1","1") = "4"
    & skf21("2","1","3","2","3","5","2","1") = "4"
    & skf21("2","1","3","2","3","5","3","1") = "4"
    & skf21("2","1","3","2","3","5","4","1") = "4"
    & skf21("2","1","3","2","3","5","5","1") = "4"
    & skf21("2","1","3","2","3","5","6","1") = "5"
    & skf21("2","1","3","2","3","5","7","1") = "6"
    & skf21("2","1","3","2","3","6","1","1") = "5"
    & skf21("2","1","3","2","3","6","2","1") = "5"
    & skf21("2","1","3","2","3","6","3","1") = "5"
    & skf21("2","1","3","2","3","6","4","1") = "5"
    & skf21("2","1","3","2","3","6","5","1") = "5"
    & skf21("2","1","3","2","3","6","6","1") = "5"
    & skf21("2","1","3","2","3","6","7","1") = "6"
    & skf21("2","1","3","2","3","7","1","1") = "6"
    & skf21("2","1","3","2","3","7","2","1") = "6"
    & skf21("2","1","3","2","3","7","3","1") = "6"
    & skf21("2","1","3","2","3","7","4","1") = "6"
    & skf21("2","1","3","2","3","7","5","1") = "6"
    & skf21("2","1","3","2","3","7","6","1") = "6"
    & skf21("2","1","3","2","3","7","7","1") = "6"
    & skf21("2","1","3","2","4","1","1","1") = "3"
    & skf21("2","1","3","2","4","1","2","1") = "3"
    & skf21("2","1","3","2","4","1","3","1") = "3"
    & skf21("2","1","3","2","4","1","4","1") = "3"
    & skf21("2","1","3","2","4","1","5","1") = "4"
    & skf21("2","1","3","2","4","1","6","1") = "5"
    & skf21("2","1","3","2","4","1","7","1") = "6"
    & skf21("2","1","3","2","4","2","1","1") = "3"
    & skf21("2","1","3","2","4","2","2","1") = "3"
    & skf21("2","1","3","2","4","2","3","1") = "3"
    & skf21("2","1","3","2","4","2","4","1") = "3"
    & skf21("2","1","3","2","4","2","5","1") = "4"
    & skf21("2","1","3","2","4","2","6","1") = "5"
    & skf21("2","1","3","2","4","2","7","1") = "6"
    & skf21("2","1","3","2","4","3","1","1") = "3"
    & skf21("2","1","3","2","4","3","2","1") = "3"
    & skf21("2","1","3","2","4","3","3","1") = "3"
    & skf21("2","1","3","2","4","3","4","1") = "3"
    & skf21("2","1","3","2","4","3","5","1") = "4"
    & skf21("2","1","3","2","4","3","6","1") = "5"
    & skf21("2","1","3","2","4","3","7","1") = "6"
    & skf21("2","1","3","2","4","4","1","1") = "3"
    & skf21("2","1","3","2","4","4","2","1") = "3"
    & skf21("2","1","3","2","4","4","3","1") = "3"
    & skf21("2","1","3","2","4","4","4","1") = "3"
    & skf21("2","1","3","2","4","4","5","1") = "4"
    & skf21("2","1","3","2","4","4","6","1") = "5"
    & skf21("2","1","3","2","4","4","7","1") = "6"
    & skf21("2","1","3","2","4","5","1","1") = "4"
    & skf21("2","1","3","2","4","5","2","1") = "4"
    & skf21("2","1","3","2","4","5","3","1") = "4"
    & skf21("2","1","3","2","4","5","4","1") = "4"
    & skf21("2","1","3","2","4","5","5","1") = "4"
    & skf21("2","1","3","2","4","5","6","1") = "5"
    & skf21("2","1","3","2","4","5","7","1") = "6"
    & skf21("2","1","3","2","4","6","1","1") = "5"
    & skf21("2","1","3","2","4","6","2","1") = "5"
    & skf21("2","1","3","2","4","6","3","1") = "5"
    & skf21("2","1","3","2","4","6","4","1") = "5"
    & skf21("2","1","3","2","4","6","5","1") = "5"
    & skf21("2","1","3","2","4","6","6","1") = "5"
    & skf21("2","1","3","2","4","6","7","1") = "6"
    & skf21("2","1","3","2","4","7","1","1") = "6"
    & skf21("2","1","3","2","4","7","2","1") = "6"
    & skf21("2","1","3","2","4","7","3","1") = "6"
    & skf21("2","1","3","2","4","7","4","1") = "6"
    & skf21("2","1","3","2","4","7","5","1") = "6"
    & skf21("2","1","3","2","4","7","6","1") = "6"
    & skf21("2","1","3","2","4","7","7","1") = "6"
    & skf21("2","1","3","2","5","1","1","1") = "4"
    & skf21("2","1","3","2","5","1","2","1") = "4"
    & skf21("2","1","3","2","5","1","3","1") = "4"
    & skf21("2","1","3","2","5","1","4","1") = "4"
    & skf21("2","1","3","2","5","1","5","1") = "4"
    & skf21("2","1","3","2","5","1","6","1") = "5"
    & skf21("2","1","3","2","5","1","7","1") = "6"
    & skf21("2","1","3","2","5","2","1","1") = "4"
    & skf21("2","1","3","2","5","2","2","1") = "4"
    & skf21("2","1","3","2","5","2","3","1") = "4"
    & skf21("2","1","3","2","5","2","4","1") = "4"
    & skf21("2","1","3","2","5","2","5","1") = "4"
    & skf21("2","1","3","2","5","2","6","1") = "5"
    & skf21("2","1","3","2","5","2","7","1") = "6"
    & skf21("2","1","3","2","5","3","1","1") = "4"
    & skf21("2","1","3","2","5","3","2","1") = "4"
    & skf21("2","1","3","2","5","3","3","1") = "4"
    & skf21("2","1","3","2","5","3","4","1") = "4"
    & skf21("2","1","3","2","5","3","5","1") = "4"
    & skf21("2","1","3","2","5","3","6","1") = "5"
    & skf21("2","1","3","2","5","3","7","1") = "6"
    & skf21("2","1","3","2","5","4","1","1") = "4"
    & skf21("2","1","3","2","5","4","2","1") = "4"
    & skf21("2","1","3","2","5","4","3","1") = "4"
    & skf21("2","1","3","2","5","4","4","1") = "4"
    & skf21("2","1","3","2","5","4","5","1") = "4"
    & skf21("2","1","3","2","5","4","6","1") = "5"
    & skf21("2","1","3","2","5","4","7","1") = "6"
    & skf21("2","1","3","2","5","5","1","1") = "4"
    & skf21("2","1","3","2","5","5","2","1") = "4"
    & skf21("2","1","3","2","5","5","3","1") = "4"
    & skf21("2","1","3","2","5","5","4","1") = "4"
    & skf21("2","1","3","2","5","5","5","1") = "4"
    & skf21("2","1","3","2","5","5","6","1") = "5"
    & skf21("2","1","3","2","5","5","7","1") = "6"
    & skf21("2","1","3","2","5","6","1","1") = "5"
    & skf21("2","1","3","2","5","6","2","1") = "5"
    & skf21("2","1","3","2","5","6","3","1") = "5"
    & skf21("2","1","3","2","5","6","4","1") = "5"
    & skf21("2","1","3","2","5","6","5","1") = "5"
    & skf21("2","1","3","2","5","6","6","1") = "5"
    & skf21("2","1","3","2","5","6","7","1") = "6"
    & skf21("2","1","3","2","5","7","1","1") = "6"
    & skf21("2","1","3","2","5","7","2","1") = "6"
    & skf21("2","1","3","2","5","7","3","1") = "6"
    & skf21("2","1","3","2","5","7","4","1") = "6"
    & skf21("2","1","3","2","5","7","5","1") = "6"
    & skf21("2","1","3","2","5","7","6","1") = "6"
    & skf21("2","1","3","2","5","7","7","1") = "6"
    & skf21("2","1","3","2","6","1","1","1") = "5"
    & skf21("2","1","3","2","6","1","2","1") = "5"
    & skf21("2","1","3","2","6","1","3","1") = "5"
    & skf21("2","1","3","2","6","1","4","1") = "5"
    & skf21("2","1","3","2","6","1","5","1") = "5"
    & skf21("2","1","3","2","6","1","6","1") = "5"
    & skf21("2","1","3","2","6","1","7","1") = "6"
    & skf21("2","1","3","2","6","2","1","1") = "5"
    & skf21("2","1","3","2","6","2","2","1") = "5"
    & skf21("2","1","3","2","6","2","3","1") = "5"
    & skf21("2","1","3","2","6","2","4","1") = "5"
    & skf21("2","1","3","2","6","2","5","1") = "5"
    & skf21("2","1","3","2","6","2","6","1") = "5"
    & skf21("2","1","3","2","6","2","7","1") = "6"
    & skf21("2","1","3","2","6","3","1","1") = "5"
    & skf21("2","1","3","2","6","3","2","1") = "5"
    & skf21("2","1","3","2","6","3","3","1") = "5"
    & skf21("2","1","3","2","6","3","4","1") = "5"
    & skf21("2","1","3","2","6","3","5","1") = "5"
    & skf21("2","1","3","2","6","3","6","1") = "5"
    & skf21("2","1","3","2","6","3","7","1") = "6"
    & skf21("2","1","3","2","6","4","1","1") = "5"
    & skf21("2","1","3","2","6","4","2","1") = "5"
    & skf21("2","1","3","2","6","4","3","1") = "5"
    & skf21("2","1","3","2","6","4","4","1") = "5"
    & skf21("2","1","3","2","6","4","5","1") = "5"
    & skf21("2","1","3","2","6","4","6","1") = "5"
    & skf21("2","1","3","2","6","4","7","1") = "6"
    & skf21("2","1","3","2","6","5","1","1") = "5"
    & skf21("2","1","3","2","6","5","2","1") = "5"
    & skf21("2","1","3","2","6","5","3","1") = "5"
    & skf21("2","1","3","2","6","5","4","1") = "5"
    & skf21("2","1","3","2","6","5","5","1") = "5"
    & skf21("2","1","3","2","6","5","6","1") = "5"
    & skf21("2","1","3","2","6","5","7","1") = "6"
    & skf21("2","1","3","2","6","6","1","1") = "5"
    & skf21("2","1","3","2","6","6","2","1") = "5"
    & skf21("2","1","3","2","6","6","3","1") = "5"
    & skf21("2","1","3","2","6","6","4","1") = "5"
    & skf21("2","1","3","2","6","6","5","1") = "5"
    & skf21("2","1","3","2","6","6","6","1") = "5"
    & skf21("2","1","3","2","6","6","7","1") = "6"
    & skf21("2","1","3","2","6","7","1","1") = "6"
    & skf21("2","1","3","2","6","7","2","1") = "6"
    & skf21("2","1","3","2","6","7","3","1") = "6"
    & skf21("2","1","3","2","6","7","4","1") = "6"
    & skf21("2","1","3","2","6","7","5","1") = "6"
    & skf21("2","1","3","2","6","7","6","1") = "6"
    & skf21("2","1","3","2","6","7","7","1") = "6"
    & skf21("2","1","3","2","7","1","1","1") = "6"
    & skf21("2","1","3","2","7","1","2","1") = "6"
    & skf21("2","1","3","2","7","1","3","1") = "6"
    & skf21("2","1","3","2","7","1","4","1") = "6"
    & skf21("2","1","3","2","7","1","5","1") = "6"
    & skf21("2","1","3","2","7","1","6","1") = "6"
    & skf21("2","1","3","2","7","1","7","1") = "6"
    & skf21("2","1","3","2","7","2","1","1") = "6"
    & skf21("2","1","3","2","7","2","2","1") = "6"
    & skf21("2","1","3","2","7","2","3","1") = "6"
    & skf21("2","1","3","2","7","2","4","1") = "6"
    & skf21("2","1","3","2","7","2","5","1") = "6"
    & skf21("2","1","3","2","7","2","6","1") = "6"
    & skf21("2","1","3","2","7","2","7","1") = "6"
    & skf21("2","1","3","2","7","3","1","1") = "6"
    & skf21("2","1","3","2","7","3","2","1") = "6"
    & skf21("2","1","3","2","7","3","3","1") = "6"
    & skf21("2","1","3","2","7","3","4","1") = "6"
    & skf21("2","1","3","2","7","3","5","1") = "6"
    & skf21("2","1","3","2","7","3","6","1") = "6"
    & skf21("2","1","3","2","7","3","7","1") = "6"
    & skf21("2","1","3","2","7","4","1","1") = "6"
    & skf21("2","1","3","2","7","4","2","1") = "6"
    & skf21("2","1","3","2","7","4","3","1") = "6"
    & skf21("2","1","3","2","7","4","4","1") = "6"
    & skf21("2","1","3","2","7","4","5","1") = "6"
    & skf21("2","1","3","2","7","4","6","1") = "6"
    & skf21("2","1","3","2","7","4","7","1") = "6"
    & skf21("2","1","3","2","7","5","1","1") = "6"
    & skf21("2","1","3","2","7","5","2","1") = "6"
    & skf21("2","1","3","2","7","5","3","1") = "6"
    & skf21("2","1","3","2","7","5","4","1") = "6"
    & skf21("2","1","3","2","7","5","5","1") = "6"
    & skf21("2","1","3","2","7","5","6","1") = "6"
    & skf21("2","1","3","2","7","5","7","1") = "6"
    & skf21("2","1","3","2","7","6","1","1") = "6"
    & skf21("2","1","3","2","7","6","2","1") = "6"
    & skf21("2","1","3","2","7","6","3","1") = "6"
    & skf21("2","1","3","2","7","6","4","1") = "6"
    & skf21("2","1","3","2","7","6","5","1") = "6"
    & skf21("2","1","3","2","7","6","6","1") = "6"
    & skf21("2","1","3","2","7","6","7","1") = "6"
    & skf21("2","1","3","2","7","7","1","1") = "6"
    & skf21("2","1","3","2","7","7","2","1") = "6"
    & skf21("2","1","3","2","7","7","3","1") = "6"
    & skf21("2","1","3","2","7","7","4","1") = "6"
    & skf21("2","1","3","2","7","7","5","1") = "6"
    & skf21("2","1","3","2","7","7","6","1") = "6"
    & skf21("2","1","3","2","7","7","7","1") = "6"
    & skf21("2","1","3","3","1","1","1","1") = "2"
    & skf21("2","1","3","3","1","1","2","1") = "2"
    & skf21("2","1","3","3","1","1","3","1") = "2"
    & skf21("2","1","3","3","1","1","4","1") = "3"
    & skf21("2","1","3","3","1","1","5","1") = "4"
    & skf21("2","1","3","3","1","1","6","1") = "5"
    & skf21("2","1","3","3","1","1","7","1") = "6"
    & skf21("2","1","3","3","1","2","1","1") = "2"
    & skf21("2","1","3","3","1","2","2","1") = "2"
    & skf21("2","1","3","3","1","2","3","1") = "2"
    & skf21("2","1","3","3","1","2","4","1") = "3"
    & skf21("2","1","3","3","1","2","5","1") = "4"
    & skf21("2","1","3","3","1","2","6","1") = "5"
    & skf21("2","1","3","3","1","2","7","1") = "6"
    & skf21("2","1","3","3","1","3","1","1") = "2"
    & skf21("2","1","3","3","1","3","2","1") = "1"
    & skf21("2","1","3","3","1","3","3","1") = "2"
    & skf21("2","1","3","3","1","3","4","1") = "3"
    & skf21("2","1","3","3","1","3","5","1") = "4"
    & skf21("2","1","3","3","1","3","6","1") = "5"
    & skf21("2","1","3","3","1","3","7","1") = "6"
    & skf21("2","1","3","3","1","4","1","1") = "3"
    & skf21("2","1","3","3","1","4","2","1") = "3"
    & skf21("2","1","3","3","1","4","3","1") = "3"
    & skf21("2","1","3","3","1","4","4","1") = "3"
    & skf21("2","1","3","3","1","4","5","1") = "4"
    & skf21("2","1","3","3","1","4","6","1") = "5"
    & skf21("2","1","3","3","1","4","7","1") = "6"
    & skf21("2","1","3","3","1","5","1","1") = "4"
    & skf21("2","1","3","3","1","5","2","1") = "4"
    & skf21("2","1","3","3","1","5","3","1") = "4"
    & skf21("2","1","3","3","1","5","4","1") = "4"
    & skf21("2","1","3","3","1","5","5","1") = "4"
    & skf21("2","1","3","3","1","5","6","1") = "5"
    & skf21("2","1","3","3","1","5","7","1") = "6"
    & skf21("2","1","3","3","1","6","1","1") = "5"
    & skf21("2","1","3","3","1","6","2","1") = "5"
    & skf21("2","1","3","3","1","6","3","1") = "5"
    & skf21("2","1","3","3","1","6","4","1") = "5"
    & skf21("2","1","3","3","1","6","5","1") = "5"
    & skf21("2","1","3","3","1","6","6","1") = "5"
    & skf21("2","1","3","3","1","6","7","1") = "6"
    & skf21("2","1","3","3","1","7","1","1") = "6"
    & skf21("2","1","3","3","1","7","2","1") = "6"
    & skf21("2","1","3","3","1","7","3","1") = "6"
    & skf21("2","1","3","3","1","7","4","1") = "6"
    & skf21("2","1","3","3","1","7","5","1") = "6"
    & skf21("2","1","3","3","1","7","6","1") = "6"
    & skf21("2","1","3","3","1","7","7","1") = "6"
    & skf21("2","1","3","3","2","1","1","1") = "2"
    & skf21("2","1","3","3","2","1","2","1") = "2"
    & skf21("2","1","3","3","2","1","3","1") = "2"
    & skf21("2","1","3","3","2","1","4","1") = "3"
    & skf21("2","1","3","3","2","1","5","1") = "4"
    & skf21("2","1","3","3","2","1","6","1") = "5"
    & skf21("2","1","3","3","2","1","7","1") = "6"
    & skf21("2","1","3","3","2","2","1","1") = "2"
    & skf21("2","1","3","3","2","2","2","1") = "2"
    & skf21("2","1","3","3","2","2","3","1") = "2"
    & skf21("2","1","3","3","2","2","4","1") = "3"
    & skf21("2","1","3","3","2","2","5","1") = "4"
    & skf21("2","1","3","3","2","2","6","1") = "5"
    & skf21("2","1","3","3","2","2","7","1") = "6"
    & skf21("2","1","3","3","2","3","1","1") = "2"
    & skf21("2","1","3","3","2","3","2","1") = "2"
    & skf21("2","1","3","3","2","3","3","1") = "2"
    & skf21("2","1","3","3","2","3","4","1") = "3"
    & skf21("2","1","3","3","2","3","5","1") = "4"
    & skf21("2","1","3","3","2","3","6","1") = "5"
    & skf21("2","1","3","3","2","3","7","1") = "6"
    & skf21("2","1","3","3","2","4","1","1") = "3"
    & skf21("2","1","3","3","2","4","2","1") = "3"
    & skf21("2","1","3","3","2","4","3","1") = "3"
    & skf21("2","1","3","3","2","4","4","1") = "3"
    & skf21("2","1","3","3","2","4","5","1") = "4"
    & skf21("2","1","3","3","2","4","6","1") = "5"
    & skf21("2","1","3","3","2","4","7","1") = "6"
    & skf21("2","1","3","3","2","5","1","1") = "4"
    & skf21("2","1","3","3","2","5","2","1") = "4"
    & skf21("2","1","3","3","2","5","3","1") = "4"
    & skf21("2","1","3","3","2","5","4","1") = "4"
    & skf21("2","1","3","3","2","5","5","1") = "4"
    & skf21("2","1","3","3","2","5","6","1") = "5"
    & skf21("2","1","3","3","2","5","7","1") = "6"
    & skf21("2","1","3","3","2","6","1","1") = "5"
    & skf21("2","1","3","3","2","6","2","1") = "5"
    & skf21("2","1","3","3","2","6","3","1") = "5"
    & skf21("2","1","3","3","2","6","4","1") = "5"
    & skf21("2","1","3","3","2","6","5","1") = "5"
    & skf21("2","1","3","3","2","6","6","1") = "5"
    & skf21("2","1","3","3","2","6","7","1") = "6"
    & skf21("2","1","3","3","2","7","1","1") = "6"
    & skf21("2","1","3","3","2","7","2","1") = "6"
    & skf21("2","1","3","3","2","7","3","1") = "6"
    & skf21("2","1","3","3","2","7","4","1") = "6"
    & skf21("2","1","3","3","2","7","5","1") = "6"
    & skf21("2","1","3","3","2","7","6","1") = "6"
    & skf21("2","1","3","3","2","7","7","1") = "6"
    & skf21("2","1","3","3","3","1","1","1") = "2"
    & skf21("2","1","3","3","3","1","2","1") = "2"
    & skf21("2","1","3","3","3","1","3","1") = "2"
    & skf21("2","1","3","3","3","1","4","1") = "3"
    & skf21("2","1","3","3","3","1","5","1") = "4"
    & skf21("2","1","3","3","3","1","6","1") = "5"
    & skf21("2","1","3","3","3","1","7","1") = "6"
    & skf21("2","1","3","3","3","2","1","1") = "2"
    & skf21("2","1","3","3","3","2","2","1") = "2"
    & skf21("2","1","3","3","3","2","3","1") = "2"
    & skf21("2","1","3","3","3","2","4","1") = "3"
    & skf21("2","1","3","3","3","2","5","1") = "4"
    & skf21("2","1","3","3","3","2","6","1") = "5"
    & skf21("2","1","3","3","3","2","7","1") = "6"
    & skf21("2","1","3","3","3","3","1","1") = "2"
    & skf21("2","1","3","3","3","3","2","1") = "2"
    & skf21("2","1","3","3","3","3","3","1") = "2"
    & skf21("2","1","3","3","3","3","4","1") = "3"
    & skf21("2","1","3","3","3","3","5","1") = "4"
    & skf21("2","1","3","3","3","3","6","1") = "5"
    & skf21("2","1","3","3","3","3","7","1") = "6"
    & skf21("2","1","3","3","3","4","1","1") = "3"
    & skf21("2","1","3","3","3","4","2","1") = "3"
    & skf21("2","1","3","3","3","4","3","1") = "3"
    & skf21("2","1","3","3","3","4","4","1") = "3"
    & skf21("2","1","3","3","3","4","5","1") = "4"
    & skf21("2","1","3","3","3","4","6","1") = "5"
    & skf21("2","1","3","3","3","4","7","1") = "6"
    & skf21("2","1","3","3","3","5","1","1") = "4"
    & skf21("2","1","3","3","3","5","2","1") = "4"
    & skf21("2","1","3","3","3","5","3","1") = "4"
    & skf21("2","1","3","3","3","5","4","1") = "4"
    & skf21("2","1","3","3","3","5","5","1") = "4"
    & skf21("2","1","3","3","3","5","6","1") = "5"
    & skf21("2","1","3","3","3","5","7","1") = "6"
    & skf21("2","1","3","3","3","6","1","1") = "5"
    & skf21("2","1","3","3","3","6","2","1") = "5"
    & skf21("2","1","3","3","3","6","3","1") = "5"
    & skf21("2","1","3","3","3","6","4","1") = "5"
    & skf21("2","1","3","3","3","6","5","1") = "5"
    & skf21("2","1","3","3","3","6","6","1") = "5"
    & skf21("2","1","3","3","3","6","7","1") = "6"
    & skf21("2","1","3","3","3","7","1","1") = "6"
    & skf21("2","1","3","3","3","7","2","1") = "6"
    & skf21("2","1","3","3","3","7","3","1") = "6"
    & skf21("2","1","3","3","3","7","4","1") = "6"
    & skf21("2","1","3","3","3","7","5","1") = "6"
    & skf21("2","1","3","3","3","7","6","1") = "6"
    & skf21("2","1","3","3","3","7","7","1") = "6"
    & skf21("2","1","3","3","4","1","1","1") = "3"
    & skf21("2","1","3","3","4","1","2","1") = "3"
    & skf21("2","1","3","3","4","1","3","1") = "3"
    & skf21("2","1","3","3","4","1","4","1") = "3"
    & skf21("2","1","3","3","4","1","5","1") = "4"
    & skf21("2","1","3","3","4","1","6","1") = "5"
    & skf21("2","1","3","3","4","1","7","1") = "6"
    & skf21("2","1","3","3","4","2","1","1") = "3"
    & skf21("2","1","3","3","4","2","2","1") = "3"
    & skf21("2","1","3","3","4","2","3","1") = "3"
    & skf21("2","1","3","3","4","2","4","1") = "3"
    & skf21("2","1","3","3","4","2","5","1") = "4"
    & skf21("2","1","3","3","4","2","6","1") = "5"
    & skf21("2","1","3","3","4","2","7","1") = "6"
    & skf21("2","1","3","3","4","3","1","1") = "3"
    & skf21("2","1","3","3","4","3","2","1") = "3"
    & skf21("2","1","3","3","4","3","3","1") = "3"
    & skf21("2","1","3","3","4","3","4","1") = "3"
    & skf21("2","1","3","3","4","3","5","1") = "4"
    & skf21("2","1","3","3","4","3","6","1") = "5"
    & skf21("2","1","3","3","4","3","7","1") = "6"
    & skf21("2","1","3","3","4","4","1","1") = "3"
    & skf21("2","1","3","3","4","4","2","1") = "3"
    & skf21("2","1","3","3","4","4","3","1") = "3"
    & skf21("2","1","3","3","4","4","4","1") = "3"
    & skf21("2","1","3","3","4","4","5","1") = "4"
    & skf21("2","1","3","3","4","4","6","1") = "5"
    & skf21("2","1","3","3","4","4","7","1") = "6"
    & skf21("2","1","3","3","4","5","1","1") = "4"
    & skf21("2","1","3","3","4","5","2","1") = "4"
    & skf21("2","1","3","3","4","5","3","1") = "4"
    & skf21("2","1","3","3","4","5","4","1") = "4"
    & skf21("2","1","3","3","4","5","5","1") = "4"
    & skf21("2","1","3","3","4","5","6","1") = "5"
    & skf21("2","1","3","3","4","5","7","1") = "6"
    & skf21("2","1","3","3","4","6","1","1") = "5"
    & skf21("2","1","3","3","4","6","2","1") = "5"
    & skf21("2","1","3","3","4","6","3","1") = "5"
    & skf21("2","1","3","3","4","6","4","1") = "5"
    & skf21("2","1","3","3","4","6","5","1") = "5"
    & skf21("2","1","3","3","4","6","6","1") = "5"
    & skf21("2","1","3","3","4","6","7","1") = "6"
    & skf21("2","1","3","3","4","7","1","1") = "6"
    & skf21("2","1","3","3","4","7","2","1") = "6"
    & skf21("2","1","3","3","4","7","3","1") = "6"
    & skf21("2","1","3","3","4","7","4","1") = "6"
    & skf21("2","1","3","3","4","7","5","1") = "6"
    & skf21("2","1","3","3","4","7","6","1") = "6"
    & skf21("2","1","3","3","4","7","7","1") = "6"
    & skf21("2","1","3","3","5","1","1","1") = "4"
    & skf21("2","1","3","3","5","1","2","1") = "4"
    & skf21("2","1","3","3","5","1","3","1") = "4"
    & skf21("2","1","3","3","5","1","4","1") = "4"
    & skf21("2","1","3","3","5","1","5","1") = "4"
    & skf21("2","1","3","3","5","1","6","1") = "5"
    & skf21("2","1","3","3","5","1","7","1") = "6"
    & skf21("2","1","3","3","5","2","1","1") = "4"
    & skf21("2","1","3","3","5","2","2","1") = "4"
    & skf21("2","1","3","3","5","2","3","1") = "4"
    & skf21("2","1","3","3","5","2","4","1") = "4"
    & skf21("2","1","3","3","5","2","5","1") = "4"
    & skf21("2","1","3","3","5","2","6","1") = "5"
    & skf21("2","1","3","3","5","2","7","1") = "6"
    & skf21("2","1","3","3","5","3","1","1") = "4"
    & skf21("2","1","3","3","5","3","2","1") = "4"
    & skf21("2","1","3","3","5","3","3","1") = "4"
    & skf21("2","1","3","3","5","3","4","1") = "4"
    & skf21("2","1","3","3","5","3","5","1") = "4"
    & skf21("2","1","3","3","5","3","6","1") = "5"
    & skf21("2","1","3","3","5","3","7","1") = "6"
    & skf21("2","1","3","3","5","4","1","1") = "4"
    & skf21("2","1","3","3","5","4","2","1") = "4"
    & skf21("2","1","3","3","5","4","3","1") = "4"
    & skf21("2","1","3","3","5","4","4","1") = "4"
    & skf21("2","1","3","3","5","4","5","1") = "4"
    & skf21("2","1","3","3","5","4","6","1") = "5"
    & skf21("2","1","3","3","5","4","7","1") = "6"
    & skf21("2","1","3","3","5","5","1","1") = "4"
    & skf21("2","1","3","3","5","5","2","1") = "4"
    & skf21("2","1","3","3","5","5","3","1") = "4"
    & skf21("2","1","3","3","5","5","4","1") = "4"
    & skf21("2","1","3","3","5","5","5","1") = "4"
    & skf21("2","1","3","3","5","5","6","1") = "5"
    & skf21("2","1","3","3","5","5","7","1") = "6"
    & skf21("2","1","3","3","5","6","1","1") = "5"
    & skf21("2","1","3","3","5","6","2","1") = "5"
    & skf21("2","1","3","3","5","6","3","1") = "5"
    & skf21("2","1","3","3","5","6","4","1") = "5"
    & skf21("2","1","3","3","5","6","5","1") = "5"
    & skf21("2","1","3","3","5","6","6","1") = "5"
    & skf21("2","1","3","3","5","6","7","1") = "6"
    & skf21("2","1","3","3","5","7","1","1") = "6"
    & skf21("2","1","3","3","5","7","2","1") = "6"
    & skf21("2","1","3","3","5","7","3","1") = "6"
    & skf21("2","1","3","3","5","7","4","1") = "6"
    & skf21("2","1","3","3","5","7","5","1") = "6"
    & skf21("2","1","3","3","5","7","6","1") = "6"
    & skf21("2","1","3","3","5","7","7","1") = "6"
    & skf21("2","1","3","3","6","1","1","1") = "5"
    & skf21("2","1","3","3","6","1","2","1") = "5"
    & skf21("2","1","3","3","6","1","3","1") = "5"
    & skf21("2","1","3","3","6","1","4","1") = "5"
    & skf21("2","1","3","3","6","1","5","1") = "5"
    & skf21("2","1","3","3","6","1","6","1") = "5"
    & skf21("2","1","3","3","6","1","7","1") = "6"
    & skf21("2","1","3","3","6","2","1","1") = "5"
    & skf21("2","1","3","3","6","2","2","1") = "5"
    & skf21("2","1","3","3","6","2","3","1") = "5"
    & skf21("2","1","3","3","6","2","4","1") = "5"
    & skf21("2","1","3","3","6","2","5","1") = "5"
    & skf21("2","1","3","3","6","2","6","1") = "5"
    & skf21("2","1","3","3","6","2","7","1") = "6"
    & skf21("2","1","3","3","6","3","1","1") = "5"
    & skf21("2","1","3","3","6","3","2","1") = "5"
    & skf21("2","1","3","3","6","3","3","1") = "5"
    & skf21("2","1","3","3","6","3","4","1") = "5"
    & skf21("2","1","3","3","6","3","5","1") = "5"
    & skf21("2","1","3","3","6","3","6","1") = "5"
    & skf21("2","1","3","3","6","3","7","1") = "6"
    & skf21("2","1","3","3","6","4","1","1") = "5"
    & skf21("2","1","3","3","6","4","2","1") = "5"
    & skf21("2","1","3","3","6","4","3","1") = "5"
    & skf21("2","1","3","3","6","4","4","1") = "5"
    & skf21("2","1","3","3","6","4","5","1") = "5"
    & skf21("2","1","3","3","6","4","6","1") = "5"
    & skf21("2","1","3","3","6","4","7","1") = "6"
    & skf21("2","1","3","3","6","5","1","1") = "5"
    & skf21("2","1","3","3","6","5","2","1") = "5"
    & skf21("2","1","3","3","6","5","3","1") = "5"
    & skf21("2","1","3","3","6","5","4","1") = "5"
    & skf21("2","1","3","3","6","5","5","1") = "5"
    & skf21("2","1","3","3","6","5","6","1") = "5"
    & skf21("2","1","3","3","6","5","7","1") = "6"
    & skf21("2","1","3","3","6","6","1","1") = "5"
    & skf21("2","1","3","3","6","6","2","1") = "5"
    & skf21("2","1","3","3","6","6","3","1") = "5"
    & skf21("2","1","3","3","6","6","4","1") = "5"
    & skf21("2","1","3","3","6","6","5","1") = "5"
    & skf21("2","1","3","3","6","6","6","1") = "5"
    & skf21("2","1","3","3","6","6","7","1") = "6"
    & skf21("2","1","3","3","6","7","1","1") = "6"
    & skf21("2","1","3","3","6","7","2","1") = "6"
    & skf21("2","1","3","3","6","7","3","1") = "6"
    & skf21("2","1","3","3","6","7","4","1") = "6"
    & skf21("2","1","3","3","6","7","5","1") = "6"
    & skf21("2","1","3","3","6","7","6","1") = "6"
    & skf21("2","1","3","3","6","7","7","1") = "6"
    & skf21("2","1","3","3","7","1","1","1") = "6"
    & skf21("2","1","3","3","7","1","2","1") = "6"
    & skf21("2","1","3","3","7","1","3","1") = "6"
    & skf21("2","1","3","3","7","1","4","1") = "6"
    & skf21("2","1","3","3","7","1","5","1") = "6"
    & skf21("2","1","3","3","7","1","6","1") = "6"
    & skf21("2","1","3","3","7","1","7","1") = "6"
    & skf21("2","1","3","3","7","2","1","1") = "6"
    & skf21("2","1","3","3","7","2","2","1") = "6"
    & skf21("2","1","3","3","7","2","3","1") = "6"
    & skf21("2","1","3","3","7","2","4","1") = "6"
    & skf21("2","1","3","3","7","2","5","1") = "6"
    & skf21("2","1","3","3","7","2","6","1") = "6"
    & skf21("2","1","3","3","7","2","7","1") = "6"
    & skf21("2","1","3","3","7","3","1","1") = "6"
    & skf21("2","1","3","3","7","3","2","1") = "6"
    & skf21("2","1","3","3","7","3","3","1") = "6"
    & skf21("2","1","3","3","7","3","4","1") = "6"
    & skf21("2","1","3","3","7","3","5","1") = "6"
    & skf21("2","1","3","3","7","3","6","1") = "6"
    & skf21("2","1","3","3","7","3","7","1") = "6"
    & skf21("2","1","3","3","7","4","1","1") = "6"
    & skf21("2","1","3","3","7","4","2","1") = "6"
    & skf21("2","1","3","3","7","4","3","1") = "6"
    & skf21("2","1","3","3","7","4","4","1") = "6"
    & skf21("2","1","3","3","7","4","5","1") = "6"
    & skf21("2","1","3","3","7","4","6","1") = "6"
    & skf21("2","1","3","3","7","4","7","1") = "6"
    & skf21("2","1","3","3","7","5","1","1") = "6"
    & skf21("2","1","3","3","7","5","2","1") = "6"
    & skf21("2","1","3","3","7","5","3","1") = "6"
    & skf21("2","1","3","3","7","5","4","1") = "6"
    & skf21("2","1","3","3","7","5","5","1") = "6"
    & skf21("2","1","3","3","7","5","6","1") = "6"
    & skf21("2","1","3","3","7","5","7","1") = "6"
    & skf21("2","1","3","3","7","6","1","1") = "6"
    & skf21("2","1","3","3","7","6","2","1") = "6"
    & skf21("2","1","3","3","7","6","3","1") = "6"
    & skf21("2","1","3","3","7","6","4","1") = "6"
    & skf21("2","1","3","3","7","6","5","1") = "6"
    & skf21("2","1","3","3","7","6","6","1") = "6"
    & skf21("2","1","3","3","7","6","7","1") = "6"
    & skf21("2","1","3","3","7","7","1","1") = "6"
    & skf21("2","1","3","3","7","7","2","1") = "6"
    & skf21("2","1","3","3","7","7","3","1") = "6"
    & skf21("2","1","3","3","7","7","4","1") = "6"
    & skf21("2","1","3","3","7","7","5","1") = "6"
    & skf21("2","1","3","3","7","7","6","1") = "6"
    & skf21("2","1","3","3","7","7","7","1") = "6"
    & skf21("2","1","3","4","1","1","1","1") = "3"
    & skf21("2","1","3","4","1","1","2","1") = "3"
    & skf21("2","1","3","4","1","1","3","1") = "3"
    & skf21("2","1","3","4","1","1","4","1") = "3"
    & skf21("2","1","3","4","1","1","5","1") = "4"
    & skf21("2","1","3","4","1","1","6","1") = "5"
    & skf21("2","1","3","4","1","1","7","1") = "6"
    & skf21("2","1","3","4","1","2","1","1") = "3"
    & skf21("2","1","3","4","1","2","2","1") = "3"
    & skf21("2","1","3","4","1","2","3","1") = "3"
    & skf21("2","1","3","4","1","2","4","1") = "3"
    & skf21("2","1","3","4","1","2","5","1") = "4"
    & skf21("2","1","3","4","1","2","6","1") = "5"
    & skf21("2","1","3","4","1","2","7","1") = "6"
    & skf21("2","1","3","4","1","3","1","1") = "3"
    & skf21("2","1","3","4","1","3","2","1") = "3"
    & skf21("2","1","3","4","1","3","3","1") = "3"
    & skf21("2","1","3","4","1","3","4","1") = "3"
    & skf21("2","1","3","4","1","3","5","1") = "4"
    & skf21("2","1","3","4","1","3","6","1") = "5"
    & skf21("2","1","3","4","1","3","7","1") = "6"
    & skf21("2","1","3","4","1","4","1","1") = "3"
    & skf21("2","1","3","4","1","4","2","1") = "3"
    & skf21("2","1","3","4","1","4","3","1") = "3"
    & skf21("2","1","3","4","1","4","4","1") = "3"
    & skf21("2","1","3","4","1","4","5","1") = "4"
    & skf21("2","1","3","4","1","4","6","1") = "5"
    & skf21("2","1","3","4","1","4","7","1") = "6"
    & skf21("2","1","3","4","1","5","1","1") = "4"
    & skf21("2","1","3","4","1","5","2","1") = "4"
    & skf21("2","1","3","4","1","5","3","1") = "4"
    & skf21("2","1","3","4","1","5","4","1") = "4"
    & skf21("2","1","3","4","1","5","5","1") = "4"
    & skf21("2","1","3","4","1","5","6","1") = "5"
    & skf21("2","1","3","4","1","5","7","1") = "6"
    & skf21("2","1","3","4","1","6","1","1") = "5"
    & skf21("2","1","3","4","1","6","2","1") = "5"
    & skf21("2","1","3","4","1","6","3","1") = "5"
    & skf21("2","1","3","4","1","6","4","1") = "5"
    & skf21("2","1","3","4","1","6","5","1") = "5"
    & skf21("2","1","3","4","1","6","6","1") = "5"
    & skf21("2","1","3","4","1","6","7","1") = "6"
    & skf21("2","1","3","4","1","7","1","1") = "6"
    & skf21("2","1","3","4","1","7","2","1") = "6"
    & skf21("2","1","3","4","1","7","3","1") = "6"
    & skf21("2","1","3","4","1","7","4","1") = "6"
    & skf21("2","1","3","4","1","7","5","1") = "6"
    & skf21("2","1","3","4","1","7","6","1") = "6"
    & skf21("2","1","3","4","1","7","7","1") = "6"
    & skf21("2","1","3","4","2","1","1","1") = "3"
    & skf21("2","1","3","4","2","1","2","1") = "3"
    & skf21("2","1","3","4","2","1","3","1") = "3"
    & skf21("2","1","3","4","2","1","4","1") = "3"
    & skf21("2","1","3","4","2","1","5","1") = "4"
    & skf21("2","1","3","4","2","1","6","1") = "5"
    & skf21("2","1","3","4","2","1","7","1") = "6"
    & skf21("2","1","3","4","2","2","1","1") = "3"
    & skf21("2","1","3","4","2","2","2","1") = "3"
    & skf21("2","1","3","4","2","2","3","1") = "3"
    & skf21("2","1","3","4","2","2","4","1") = "3"
    & skf21("2","1","3","4","2","2","5","1") = "4"
    & skf21("2","1","3","4","2","2","6","1") = "5"
    & skf21("2","1","3","4","2","2","7","1") = "6"
    & skf21("2","1","3","4","2","3","1","1") = "3"
    & skf21("2","1","3","4","2","3","2","1") = "3"
    & skf21("2","1","3","4","2","3","3","1") = "3"
    & skf21("2","1","3","4","2","3","4","1") = "3"
    & skf21("2","1","3","4","2","3","5","1") = "4"
    & skf21("2","1","3","4","2","3","6","1") = "5"
    & skf21("2","1","3","4","2","3","7","1") = "6"
    & skf21("2","1","3","4","2","4","1","1") = "3"
    & skf21("2","1","3","4","2","4","2","1") = "3"
    & skf21("2","1","3","4","2","4","3","1") = "3"
    & skf21("2","1","3","4","2","4","4","1") = "3"
    & skf21("2","1","3","4","2","4","5","1") = "4"
    & skf21("2","1","3","4","2","4","6","1") = "5"
    & skf21("2","1","3","4","2","4","7","1") = "6"
    & skf21("2","1","3","4","2","5","1","1") = "4"
    & skf21("2","1","3","4","2","5","2","1") = "4"
    & skf21("2","1","3","4","2","5","3","1") = "4"
    & skf21("2","1","3","4","2","5","4","1") = "4"
    & skf21("2","1","3","4","2","5","5","1") = "4"
    & skf21("2","1","3","4","2","5","6","1") = "5"
    & skf21("2","1","3","4","2","5","7","1") = "6"
    & skf21("2","1","3","4","2","6","1","1") = "5"
    & skf21("2","1","3","4","2","6","2","1") = "5"
    & skf21("2","1","3","4","2","6","3","1") = "5"
    & skf21("2","1","3","4","2","6","4","1") = "5"
    & skf21("2","1","3","4","2","6","5","1") = "5"
    & skf21("2","1","3","4","2","6","6","1") = "5"
    & skf21("2","1","3","4","2","6","7","1") = "6"
    & skf21("2","1","3","4","2","7","1","1") = "6"
    & skf21("2","1","3","4","2","7","2","1") = "6"
    & skf21("2","1","3","4","2","7","3","1") = "6"
    & skf21("2","1","3","4","2","7","4","1") = "6"
    & skf21("2","1","3","4","2","7","5","1") = "6"
    & skf21("2","1","3","4","2","7","6","1") = "6"
    & skf21("2","1","3","4","2","7","7","1") = "6"
    & skf21("2","1","3","4","3","1","1","1") = "3"
    & skf21("2","1","3","4","3","1","2","1") = "3"
    & skf21("2","1","3","4","3","1","3","1") = "3"
    & skf21("2","1","3","4","3","1","4","1") = "3"
    & skf21("2","1","3","4","3","1","5","1") = "4"
    & skf21("2","1","3","4","3","1","6","1") = "5"
    & skf21("2","1","3","4","3","1","7","1") = "6"
    & skf21("2","1","3","4","3","2","1","1") = "3"
    & skf21("2","1","3","4","3","2","2","1") = "3"
    & skf21("2","1","3","4","3","2","3","1") = "3"
    & skf21("2","1","3","4","3","2","4","1") = "3"
    & skf21("2","1","3","4","3","2","5","1") = "4"
    & skf21("2","1","3","4","3","2","6","1") = "5"
    & skf21("2","1","3","4","3","2","7","1") = "6"
    & skf21("2","1","3","4","3","3","1","1") = "3"
    & skf21("2","1","3","4","3","3","2","1") = "3"
    & skf21("2","1","3","4","3","3","3","1") = "3"
    & skf21("2","1","3","4","3","3","4","1") = "3"
    & skf21("2","1","3","4","3","3","5","1") = "4"
    & skf21("2","1","3","4","3","3","6","1") = "5"
    & skf21("2","1","3","4","3","3","7","1") = "6"
    & skf21("2","1","3","4","3","4","1","1") = "3"
    & skf21("2","1","3","4","3","4","2","1") = "3"
    & skf21("2","1","3","4","3","4","3","1") = "3"
    & skf21("2","1","3","4","3","4","4","1") = "3"
    & skf21("2","1","3","4","3","4","5","1") = "4"
    & skf21("2","1","3","4","3","4","6","1") = "5"
    & skf21("2","1","3","4","3","4","7","1") = "6"
    & skf21("2","1","3","4","3","5","1","1") = "4"
    & skf21("2","1","3","4","3","5","2","1") = "4"
    & skf21("2","1","3","4","3","5","3","1") = "4"
    & skf21("2","1","3","4","3","5","4","1") = "4"
    & skf21("2","1","3","4","3","5","5","1") = "4"
    & skf21("2","1","3","4","3","5","6","1") = "5"
    & skf21("2","1","3","4","3","5","7","1") = "6"
    & skf21("2","1","3","4","3","6","1","1") = "5"
    & skf21("2","1","3","4","3","6","2","1") = "5"
    & skf21("2","1","3","4","3","6","3","1") = "5"
    & skf21("2","1","3","4","3","6","4","1") = "5"
    & skf21("2","1","3","4","3","6","5","1") = "5"
    & skf21("2","1","3","4","3","6","6","1") = "5"
    & skf21("2","1","3","4","3","6","7","1") = "6"
    & skf21("2","1","3","4","3","7","1","1") = "6"
    & skf21("2","1","3","4","3","7","2","1") = "6"
    & skf21("2","1","3","4","3","7","3","1") = "6"
    & skf21("2","1","3","4","3","7","4","1") = "6"
    & skf21("2","1","3","4","3","7","5","1") = "6"
    & skf21("2","1","3","4","3","7","6","1") = "6"
    & skf21("2","1","3","4","3","7","7","1") = "6"
    & skf21("2","1","3","4","4","1","1","1") = "3"
    & skf21("2","1","3","4","4","1","2","1") = "3"
    & skf21("2","1","3","4","4","1","3","1") = "3"
    & skf21("2","1","3","4","4","1","4","1") = "3"
    & skf21("2","1","3","4","4","1","5","1") = "4"
    & skf21("2","1","3","4","4","1","6","1") = "5"
    & skf21("2","1","3","4","4","1","7","1") = "6"
    & skf21("2","1","3","4","4","2","1","1") = "3"
    & skf21("2","1","3","4","4","2","2","1") = "3"
    & skf21("2","1","3","4","4","2","3","1") = "3"
    & skf21("2","1","3","4","4","2","4","1") = "3"
    & skf21("2","1","3","4","4","2","5","1") = "4"
    & skf21("2","1","3","4","4","2","6","1") = "5"
    & skf21("2","1","3","4","4","2","7","1") = "6"
    & skf21("2","1","3","4","4","3","1","1") = "3"
    & skf21("2","1","3","4","4","3","2","1") = "3"
    & skf21("2","1","3","4","4","3","3","1") = "3"
    & skf21("2","1","3","4","4","3","4","1") = "3"
    & skf21("2","1","3","4","4","3","5","1") = "4"
    & skf21("2","1","3","4","4","3","6","1") = "5"
    & skf21("2","1","3","4","4","3","7","1") = "6"
    & skf21("2","1","3","4","4","4","1","1") = "3"
    & skf21("2","1","3","4","4","4","2","1") = "3"
    & skf21("2","1","3","4","4","4","3","1") = "3"
    & skf21("2","1","3","4","4","4","4","1") = "3"
    & skf21("2","1","3","4","4","4","5","1") = "4"
    & skf21("2","1","3","4","4","4","6","1") = "5"
    & skf21("2","1","3","4","4","4","7","1") = "6"
    & skf21("2","1","3","4","4","5","1","1") = "4"
    & skf21("2","1","3","4","4","5","2","1") = "4"
    & skf21("2","1","3","4","4","5","3","1") = "4"
    & skf21("2","1","3","4","4","5","4","1") = "4"
    & skf21("2","1","3","4","4","5","5","1") = "4"
    & skf21("2","1","3","4","4","5","6","1") = "5"
    & skf21("2","1","3","4","4","5","7","1") = "6"
    & skf21("2","1","3","4","4","6","1","1") = "5"
    & skf21("2","1","3","4","4","6","2","1") = "5"
    & skf21("2","1","3","4","4","6","3","1") = "5"
    & skf21("2","1","3","4","4","6","4","1") = "5"
    & skf21("2","1","3","4","4","6","5","1") = "5"
    & skf21("2","1","3","4","4","6","6","1") = "5"
    & skf21("2","1","3","4","4","6","7","1") = "6"
    & skf21("2","1","3","4","4","7","1","1") = "6"
    & skf21("2","1","3","4","4","7","2","1") = "6"
    & skf21("2","1","3","4","4","7","3","1") = "6"
    & skf21("2","1","3","4","4","7","4","1") = "6"
    & skf21("2","1","3","4","4","7","5","1") = "6"
    & skf21("2","1","3","4","4","7","6","1") = "6"
    & skf21("2","1","3","4","4","7","7","1") = "6"
    & skf21("2","1","3","4","5","1","1","1") = "4"
    & skf21("2","1","3","4","5","1","2","1") = "4"
    & skf21("2","1","3","4","5","1","3","1") = "4"
    & skf21("2","1","3","4","5","1","4","1") = "4"
    & skf21("2","1","3","4","5","1","5","1") = "4"
    & skf21("2","1","3","4","5","1","6","1") = "5"
    & skf21("2","1","3","4","5","1","7","1") = "6"
    & skf21("2","1","3","4","5","2","1","1") = "4"
    & skf21("2","1","3","4","5","2","2","1") = "4"
    & skf21("2","1","3","4","5","2","3","1") = "4"
    & skf21("2","1","3","4","5","2","4","1") = "4"
    & skf21("2","1","3","4","5","2","5","1") = "4"
    & skf21("2","1","3","4","5","2","6","1") = "5"
    & skf21("2","1","3","4","5","2","7","1") = "6"
    & skf21("2","1","3","4","5","3","1","1") = "4"
    & skf21("2","1","3","4","5","3","2","1") = "4"
    & skf21("2","1","3","4","5","3","3","1") = "4"
    & skf21("2","1","3","4","5","3","4","1") = "4"
    & skf21("2","1","3","4","5","3","5","1") = "4"
    & skf21("2","1","3","4","5","3","6","1") = "5"
    & skf21("2","1","3","4","5","3","7","1") = "6"
    & skf21("2","1","3","4","5","4","1","1") = "4"
    & skf21("2","1","3","4","5","4","2","1") = "4"
    & skf21("2","1","3","4","5","4","3","1") = "4"
    & skf21("2","1","3","4","5","4","4","1") = "4"
    & skf21("2","1","3","4","5","4","5","1") = "4"
    & skf21("2","1","3","4","5","4","6","1") = "5"
    & skf21("2","1","3","4","5","4","7","1") = "6"
    & skf21("2","1","3","4","5","5","1","1") = "4"
    & skf21("2","1","3","4","5","5","2","1") = "4"
    & skf21("2","1","3","4","5","5","3","1") = "4"
    & skf21("2","1","3","4","5","5","4","1") = "4"
    & skf21("2","1","3","4","5","5","5","1") = "4"
    & skf21("2","1","3","4","5","5","6","1") = "5"
    & skf21("2","1","3","4","5","5","7","1") = "6"
    & skf21("2","1","3","4","5","6","1","1") = "5"
    & skf21("2","1","3","4","5","6","2","1") = "5"
    & skf21("2","1","3","4","5","6","3","1") = "5"
    & skf21("2","1","3","4","5","6","4","1") = "5"
    & skf21("2","1","3","4","5","6","5","1") = "5"
    & skf21("2","1","3","4","5","6","6","1") = "5"
    & skf21("2","1","3","4","5","6","7","1") = "6"
    & skf21("2","1","3","4","5","7","1","1") = "6"
    & skf21("2","1","3","4","5","7","2","1") = "6"
    & skf21("2","1","3","4","5","7","3","1") = "6"
    & skf21("2","1","3","4","5","7","4","1") = "6"
    & skf21("2","1","3","4","5","7","5","1") = "6"
    & skf21("2","1","3","4","5","7","6","1") = "6"
    & skf21("2","1","3","4","5","7","7","1") = "6"
    & skf21("2","1","3","4","6","1","1","1") = "5"
    & skf21("2","1","3","4","6","1","2","1") = "5"
    & skf21("2","1","3","4","6","1","3","1") = "5"
    & skf21("2","1","3","4","6","1","4","1") = "5"
    & skf21("2","1","3","4","6","1","5","1") = "5"
    & skf21("2","1","3","4","6","1","6","1") = "5"
    & skf21("2","1","3","4","6","1","7","1") = "6"
    & skf21("2","1","3","4","6","2","1","1") = "5"
    & skf21("2","1","3","4","6","2","2","1") = "5"
    & skf21("2","1","3","4","6","2","3","1") = "5"
    & skf21("2","1","3","4","6","2","4","1") = "5"
    & skf21("2","1","3","4","6","2","5","1") = "5"
    & skf21("2","1","3","4","6","2","6","1") = "5"
    & skf21("2","1","3","4","6","2","7","1") = "6"
    & skf21("2","1","3","4","6","3","1","1") = "5"
    & skf21("2","1","3","4","6","3","2","1") = "5"
    & skf21("2","1","3","4","6","3","3","1") = "5"
    & skf21("2","1","3","4","6","3","4","1") = "5"
    & skf21("2","1","3","4","6","3","5","1") = "5"
    & skf21("2","1","3","4","6","3","6","1") = "5"
    & skf21("2","1","3","4","6","3","7","1") = "6"
    & skf21("2","1","3","4","6","4","1","1") = "5"
    & skf21("2","1","3","4","6","4","2","1") = "5"
    & skf21("2","1","3","4","6","4","3","1") = "5"
    & skf21("2","1","3","4","6","4","4","1") = "5"
    & skf21("2","1","3","4","6","4","5","1") = "5"
    & skf21("2","1","3","4","6","4","6","1") = "5"
    & skf21("2","1","3","4","6","4","7","1") = "6"
    & skf21("2","1","3","4","6","5","1","1") = "5"
    & skf21("2","1","3","4","6","5","2","1") = "5"
    & skf21("2","1","3","4","6","5","3","1") = "5"
    & skf21("2","1","3","4","6","5","4","1") = "5"
    & skf21("2","1","3","4","6","5","5","1") = "5"
    & skf21("2","1","3","4","6","5","6","1") = "5"
    & skf21("2","1","3","4","6","5","7","1") = "6"
    & skf21("2","1","3","4","6","6","1","1") = "5"
    & skf21("2","1","3","4","6","6","2","1") = "5"
    & skf21("2","1","3","4","6","6","3","1") = "5"
    & skf21("2","1","3","4","6","6","4","1") = "5"
    & skf21("2","1","3","4","6","6","5","1") = "5"
    & skf21("2","1","3","4","6","6","6","1") = "5"
    & skf21("2","1","3","4","6","6","7","1") = "6"
    & skf21("2","1","3","4","6","7","1","1") = "6"
    & skf21("2","1","3","4","6","7","2","1") = "6"
    & skf21("2","1","3","4","6","7","3","1") = "6"
    & skf21("2","1","3","4","6","7","4","1") = "6"
    & skf21("2","1","3","4","6","7","5","1") = "6"
    & skf21("2","1","3","4","6","7","6","1") = "6"
    & skf21("2","1","3","4","6","7","7","1") = "6"
    & skf21("2","1","3","4","7","1","1","1") = "6"
    & skf21("2","1","3","4","7","1","2","1") = "6"
    & skf21("2","1","3","4","7","1","3","1") = "6"
    & skf21("2","1","3","4","7","1","4","1") = "6"
    & skf21("2","1","3","4","7","1","5","1") = "6"
    & skf21("2","1","3","4","7","1","6","1") = "6"
    & skf21("2","1","3","4","7","1","7","1") = "6"
    & skf21("2","1","3","4","7","2","1","1") = "6"
    & skf21("2","1","3","4","7","2","2","1") = "6"
    & skf21("2","1","3","4","7","2","3","1") = "6"
    & skf21("2","1","3","4","7","2","4","1") = "6"
    & skf21("2","1","3","4","7","2","5","1") = "6"
    & skf21("2","1","3","4","7","2","6","1") = "6"
    & skf21("2","1","3","4","7","2","7","1") = "6"
    & skf21("2","1","3","4","7","3","1","1") = "6"
    & skf21("2","1","3","4","7","3","2","1") = "6"
    & skf21("2","1","3","4","7","3","3","1") = "6"
    & skf21("2","1","3","4","7","3","4","1") = "6"
    & skf21("2","1","3","4","7","3","5","1") = "6"
    & skf21("2","1","3","4","7","3","6","1") = "6"
    & skf21("2","1","3","4","7","3","7","1") = "6"
    & skf21("2","1","3","4","7","4","1","1") = "6"
    & skf21("2","1","3","4","7","4","2","1") = "6"
    & skf21("2","1","3","4","7","4","3","1") = "6"
    & skf21("2","1","3","4","7","4","4","1") = "6"
    & skf21("2","1","3","4","7","4","5","1") = "6"
    & skf21("2","1","3","4","7","4","6","1") = "6"
    & skf21("2","1","3","4","7","4","7","1") = "6"
    & skf21("2","1","3","4","7","5","1","1") = "6"
    & skf21("2","1","3","4","7","5","2","1") = "6"
    & skf21("2","1","3","4","7","5","3","1") = "6"
    & skf21("2","1","3","4","7","5","4","1") = "6"
    & skf21("2","1","3","4","7","5","5","1") = "6"
    & skf21("2","1","3","4","7","5","6","1") = "6"
    & skf21("2","1","3","4","7","5","7","1") = "6"
    & skf21("2","1","3","4","7","6","1","1") = "6"
    & skf21("2","1","3","4","7","6","2","1") = "6"
    & skf21("2","1","3","4","7","6","3","1") = "6"
    & skf21("2","1","3","4","7","6","4","1") = "6"
    & skf21("2","1","3","4","7","6","5","1") = "6"
    & skf21("2","1","3","4","7","6","6","1") = "6"
    & skf21("2","1","3","4","7","6","7","1") = "6"
    & skf21("2","1","3","4","7","7","1","1") = "6"
    & skf21("2","1","3","4","7","7","2","1") = "6"
    & skf21("2","1","3","4","7","7","3","1") = "6"
    & skf21("2","1","3","4","7","7","4","1") = "6"
    & skf21("2","1","3","4","7","7","5","1") = "6"
    & skf21("2","1","3","4","7","7","6","1") = "6"
    & skf21("2","1","3","4","7","7","7","1") = "6"
    & skf21("2","1","3","5","1","1","1","1") = "4"
    & skf21("2","1","3","5","1","1","2","1") = "4"
    & skf21("2","1","3","5","1","1","3","1") = "4"
    & skf21("2","1","3","5","1","1","4","1") = "4"
    & skf21("2","1","3","5","1","1","5","1") = "4"
    & skf21("2","1","3","5","1","1","6","1") = "5"
    & skf21("2","1","3","5","1","1","7","1") = "6"
    & skf21("2","1","3","5","1","2","1","1") = "4"
    & skf21("2","1","3","5","1","2","2","1") = "4"
    & skf21("2","1","3","5","1","2","3","1") = "4"
    & skf21("2","1","3","5","1","2","4","1") = "4"
    & skf21("2","1","3","5","1","2","5","1") = "4"
    & skf21("2","1","3","5","1","2","6","1") = "5"
    & skf21("2","1","3","5","1","2","7","1") = "6"
    & skf21("2","1","3","5","1","3","1","1") = "4"
    & skf21("2","1","3","5","1","3","2","1") = "4"
    & skf21("2","1","3","5","1","3","3","1") = "4"
    & skf21("2","1","3","5","1","3","4","1") = "4"
    & skf21("2","1","3","5","1","3","5","1") = "4"
    & skf21("2","1","3","5","1","3","6","1") = "5"
    & skf21("2","1","3","5","1","3","7","1") = "6"
    & skf21("2","1","3","5","1","4","1","1") = "4"
    & skf21("2","1","3","5","1","4","2","1") = "4"
    & skf21("2","1","3","5","1","4","3","1") = "4"
    & skf21("2","1","3","5","1","4","4","1") = "4"
    & skf21("2","1","3","5","1","4","5","1") = "4"
    & skf21("2","1","3","5","1","4","6","1") = "5"
    & skf21("2","1","3","5","1","4","7","1") = "6"
    & skf21("2","1","3","5","1","5","1","1") = "4"
    & skf21("2","1","3","5","1","5","2","1") = "4"
    & skf21("2","1","3","5","1","5","3","1") = "4"
    & skf21("2","1","3","5","1","5","4","1") = "4"
    & skf21("2","1","3","5","1","5","5","1") = "4"
    & skf21("2","1","3","5","1","5","6","1") = "5"
    & skf21("2","1","3","5","1","5","7","1") = "6"
    & skf21("2","1","3","5","1","6","1","1") = "5"
    & skf21("2","1","3","5","1","6","2","1") = "5"
    & skf21("2","1","3","5","1","6","3","1") = "5"
    & skf21("2","1","3","5","1","6","4","1") = "5"
    & skf21("2","1","3","5","1","6","5","1") = "5"
    & skf21("2","1","3","5","1","6","6","1") = "5"
    & skf21("2","1","3","5","1","6","7","1") = "6"
    & skf21("2","1","3","5","1","7","1","1") = "6"
    & skf21("2","1","3","5","1","7","2","1") = "6"
    & skf21("2","1","3","5","1","7","3","1") = "6"
    & skf21("2","1","3","5","1","7","4","1") = "6"
    & skf21("2","1","3","5","1","7","5","1") = "6"
    & skf21("2","1","3","5","1","7","6","1") = "6"
    & skf21("2","1","3","5","1","7","7","1") = "6"
    & skf21("2","1","3","5","2","1","1","1") = "4"
    & skf21("2","1","3","5","2","1","2","1") = "4"
    & skf21("2","1","3","5","2","1","3","1") = "4"
    & skf21("2","1","3","5","2","1","4","1") = "4"
    & skf21("2","1","3","5","2","1","5","1") = "4"
    & skf21("2","1","3","5","2","1","6","1") = "5"
    & skf21("2","1","3","5","2","1","7","1") = "6"
    & skf21("2","1","3","5","2","2","1","1") = "4"
    & skf21("2","1","3","5","2","2","2","1") = "4"
    & skf21("2","1","3","5","2","2","3","1") = "4"
    & skf21("2","1","3","5","2","2","4","1") = "4"
    & skf21("2","1","3","5","2","2","5","1") = "4"
    & skf21("2","1","3","5","2","2","6","1") = "5"
    & skf21("2","1","3","5","2","2","7","1") = "6"
    & skf21("2","1","3","5","2","3","1","1") = "4"
    & skf21("2","1","3","5","2","3","2","1") = "4"
    & skf21("2","1","3","5","2","3","3","1") = "4"
    & skf21("2","1","3","5","2","3","4","1") = "4"
    & skf21("2","1","3","5","2","3","5","1") = "4"
    & skf21("2","1","3","5","2","3","6","1") = "5"
    & skf21("2","1","3","5","2","3","7","1") = "6"
    & skf21("2","1","3","5","2","4","1","1") = "4"
    & skf21("2","1","3","5","2","4","2","1") = "4"
    & skf21("2","1","3","5","2","4","3","1") = "4"
    & skf21("2","1","3","5","2","4","4","1") = "4"
    & skf21("2","1","3","5","2","4","5","1") = "4"
    & skf21("2","1","3","5","2","4","6","1") = "5"
    & skf21("2","1","3","5","2","4","7","1") = "6"
    & skf21("2","1","3","5","2","5","1","1") = "4"
    & skf21("2","1","3","5","2","5","2","1") = "4"
    & skf21("2","1","3","5","2","5","3","1") = "4"
    & skf21("2","1","3","5","2","5","4","1") = "4"
    & skf21("2","1","3","5","2","5","5","1") = "4"
    & skf21("2","1","3","5","2","5","6","1") = "5"
    & skf21("2","1","3","5","2","5","7","1") = "6"
    & skf21("2","1","3","5","2","6","1","1") = "5"
    & skf21("2","1","3","5","2","6","2","1") = "5"
    & skf21("2","1","3","5","2","6","3","1") = "5"
    & skf21("2","1","3","5","2","6","4","1") = "5"
    & skf21("2","1","3","5","2","6","5","1") = "5"
    & skf21("2","1","3","5","2","6","6","1") = "5"
    & skf21("2","1","3","5","2","6","7","1") = "6"
    & skf21("2","1","3","5","2","7","1","1") = "6"
    & skf21("2","1","3","5","2","7","2","1") = "6"
    & skf21("2","1","3","5","2","7","3","1") = "6"
    & skf21("2","1","3","5","2","7","4","1") = "6"
    & skf21("2","1","3","5","2","7","5","1") = "6"
    & skf21("2","1","3","5","2","7","6","1") = "6"
    & skf21("2","1","3","5","2","7","7","1") = "6"
    & skf21("2","1","3","5","3","1","1","1") = "4"
    & skf21("2","1","3","5","3","1","2","1") = "4"
    & skf21("2","1","3","5","3","1","3","1") = "4"
    & skf21("2","1","3","5","3","1","4","1") = "4"
    & skf21("2","1","3","5","3","1","5","1") = "4"
    & skf21("2","1","3","5","3","1","6","1") = "5"
    & skf21("2","1","3","5","3","1","7","1") = "6"
    & skf21("2","1","3","5","3","2","1","1") = "4"
    & skf21("2","1","3","5","3","2","2","1") = "4"
    & skf21("2","1","3","5","3","2","3","1") = "4"
    & skf21("2","1","3","5","3","2","4","1") = "4"
    & skf21("2","1","3","5","3","2","5","1") = "4"
    & skf21("2","1","3","5","3","2","6","1") = "5"
    & skf21("2","1","3","5","3","2","7","1") = "6"
    & skf21("2","1","3","5","3","3","1","1") = "4"
    & skf21("2","1","3","5","3","3","2","1") = "4"
    & skf21("2","1","3","5","3","3","3","1") = "4"
    & skf21("2","1","3","5","3","3","4","1") = "4"
    & skf21("2","1","3","5","3","3","5","1") = "4"
    & skf21("2","1","3","5","3","3","6","1") = "5"
    & skf21("2","1","3","5","3","3","7","1") = "6"
    & skf21("2","1","3","5","3","4","1","1") = "4"
    & skf21("2","1","3","5","3","4","2","1") = "4"
    & skf21("2","1","3","5","3","4","3","1") = "4"
    & skf21("2","1","3","5","3","4","4","1") = "4"
    & skf21("2","1","3","5","3","4","5","1") = "4"
    & skf21("2","1","3","5","3","4","6","1") = "5"
    & skf21("2","1","3","5","3","4","7","1") = "6"
    & skf21("2","1","3","5","3","5","1","1") = "4"
    & skf21("2","1","3","5","3","5","2","1") = "4"
    & skf21("2","1","3","5","3","5","3","1") = "4"
    & skf21("2","1","3","5","3","5","4","1") = "4"
    & skf21("2","1","3","5","3","5","5","1") = "4"
    & skf21("2","1","3","5","3","5","6","1") = "5"
    & skf21("2","1","3","5","3","5","7","1") = "6"
    & skf21("2","1","3","5","3","6","1","1") = "5"
    & skf21("2","1","3","5","3","6","2","1") = "5"
    & skf21("2","1","3","5","3","6","3","1") = "5"
    & skf21("2","1","3","5","3","6","4","1") = "5"
    & skf21("2","1","3","5","3","6","5","1") = "5"
    & skf21("2","1","3","5","3","6","6","1") = "5"
    & skf21("2","1","3","5","3","6","7","1") = "6"
    & skf21("2","1","3","5","3","7","1","1") = "6"
    & skf21("2","1","3","5","3","7","2","1") = "6"
    & skf21("2","1","3","5","3","7","3","1") = "6"
    & skf21("2","1","3","5","3","7","4","1") = "6"
    & skf21("2","1","3","5","3","7","5","1") = "6"
    & skf21("2","1","3","5","3","7","6","1") = "6"
    & skf21("2","1","3","5","3","7","7","1") = "6"
    & skf21("2","1","3","5","4","1","1","1") = "4"
    & skf21("2","1","3","5","4","1","2","1") = "4"
    & skf21("2","1","3","5","4","1","3","1") = "4"
    & skf21("2","1","3","5","4","1","4","1") = "4"
    & skf21("2","1","3","5","4","1","5","1") = "4"
    & skf21("2","1","3","5","4","1","6","1") = "5"
    & skf21("2","1","3","5","4","1","7","1") = "6"
    & skf21("2","1","3","5","4","2","1","1") = "4"
    & skf21("2","1","3","5","4","2","2","1") = "4"
    & skf21("2","1","3","5","4","2","3","1") = "4"
    & skf21("2","1","3","5","4","2","4","1") = "4"
    & skf21("2","1","3","5","4","2","5","1") = "4"
    & skf21("2","1","3","5","4","2","6","1") = "5"
    & skf21("2","1","3","5","4","2","7","1") = "6"
    & skf21("2","1","3","5","4","3","1","1") = "4"
    & skf21("2","1","3","5","4","3","2","1") = "4"
    & skf21("2","1","3","5","4","3","3","1") = "4"
    & skf21("2","1","3","5","4","3","4","1") = "4"
    & skf21("2","1","3","5","4","3","5","1") = "4"
    & skf21("2","1","3","5","4","3","6","1") = "5"
    & skf21("2","1","3","5","4","3","7","1") = "6"
    & skf21("2","1","3","5","4","4","1","1") = "4"
    & skf21("2","1","3","5","4","4","2","1") = "4"
    & skf21("2","1","3","5","4","4","3","1") = "4"
    & skf21("2","1","3","5","4","4","4","1") = "4"
    & skf21("2","1","3","5","4","4","5","1") = "4"
    & skf21("2","1","3","5","4","4","6","1") = "5"
    & skf21("2","1","3","5","4","4","7","1") = "6"
    & skf21("2","1","3","5","4","5","1","1") = "4"
    & skf21("2","1","3","5","4","5","2","1") = "4"
    & skf21("2","1","3","5","4","5","3","1") = "4"
    & skf21("2","1","3","5","4","5","4","1") = "4"
    & skf21("2","1","3","5","4","5","5","1") = "4"
    & skf21("2","1","3","5","4","5","6","1") = "5"
    & skf21("2","1","3","5","4","5","7","1") = "6"
    & skf21("2","1","3","5","4","6","1","1") = "5"
    & skf21("2","1","3","5","4","6","2","1") = "5"
    & skf21("2","1","3","5","4","6","3","1") = "5"
    & skf21("2","1","3","5","4","6","4","1") = "5"
    & skf21("2","1","3","5","4","6","5","1") = "5"
    & skf21("2","1","3","5","4","6","6","1") = "5"
    & skf21("2","1","3","5","4","6","7","1") = "6"
    & skf21("2","1","3","5","4","7","1","1") = "6"
    & skf21("2","1","3","5","4","7","2","1") = "6"
    & skf21("2","1","3","5","4","7","3","1") = "6"
    & skf21("2","1","3","5","4","7","4","1") = "6"
    & skf21("2","1","3","5","4","7","5","1") = "6"
    & skf21("2","1","3","5","4","7","6","1") = "6"
    & skf21("2","1","3","5","4","7","7","1") = "6"
    & skf21("2","1","3","5","5","1","1","1") = "4"
    & skf21("2","1","3","5","5","1","2","1") = "4"
    & skf21("2","1","3","5","5","1","3","1") = "4"
    & skf21("2","1","3","5","5","1","4","1") = "4"
    & skf21("2","1","3","5","5","1","5","1") = "4"
    & skf21("2","1","3","5","5","1","6","1") = "5"
    & skf21("2","1","3","5","5","1","7","1") = "6"
    & skf21("2","1","3","5","5","2","1","1") = "4"
    & skf21("2","1","3","5","5","2","2","1") = "4"
    & skf21("2","1","3","5","5","2","3","1") = "4"
    & skf21("2","1","3","5","5","2","4","1") = "4"
    & skf21("2","1","3","5","5","2","5","1") = "4"
    & skf21("2","1","3","5","5","2","6","1") = "5"
    & skf21("2","1","3","5","5","2","7","1") = "6"
    & skf21("2","1","3","5","5","3","1","1") = "4"
    & skf21("2","1","3","5","5","3","2","1") = "4"
    & skf21("2","1","3","5","5","3","3","1") = "4"
    & skf21("2","1","3","5","5","3","4","1") = "4"
    & skf21("2","1","3","5","5","3","5","1") = "4"
    & skf21("2","1","3","5","5","3","6","1") = "5"
    & skf21("2","1","3","5","5","3","7","1") = "6"
    & skf21("2","1","3","5","5","4","1","1") = "4"
    & skf21("2","1","3","5","5","4","2","1") = "4"
    & skf21("2","1","3","5","5","4","3","1") = "4"
    & skf21("2","1","3","5","5","4","4","1") = "4"
    & skf21("2","1","3","5","5","4","5","1") = "4"
    & skf21("2","1","3","5","5","4","6","1") = "5"
    & skf21("2","1","3","5","5","4","7","1") = "6"
    & skf21("2","1","3","5","5","5","1","1") = "4"
    & skf21("2","1","3","5","5","5","2","1") = "4"
    & skf21("2","1","3","5","5","5","3","1") = "4"
    & skf21("2","1","3","5","5","5","4","1") = "4"
    & skf21("2","1","3","5","5","5","5","1") = "4"
    & skf21("2","1","3","5","5","5","6","1") = "5"
    & skf21("2","1","3","5","5","5","7","1") = "6"
    & skf21("2","1","3","5","5","6","1","1") = "5"
    & skf21("2","1","3","5","5","6","2","1") = "5"
    & skf21("2","1","3","5","5","6","3","1") = "5"
    & skf21("2","1","3","5","5","6","4","1") = "5"
    & skf21("2","1","3","5","5","6","5","1") = "5"
    & skf21("2","1","3","5","5","6","6","1") = "5"
    & skf21("2","1","3","5","5","6","7","1") = "6"
    & skf21("2","1","3","5","5","7","1","1") = "6"
    & skf21("2","1","3","5","5","7","2","1") = "6"
    & skf21("2","1","3","5","5","7","3","1") = "6"
    & skf21("2","1","3","5","5","7","4","1") = "6"
    & skf21("2","1","3","5","5","7","5","1") = "6"
    & skf21("2","1","3","5","5","7","6","1") = "6"
    & skf21("2","1","3","5","5","7","7","1") = "6"
    & skf21("2","1","3","5","6","1","1","1") = "5"
    & skf21("2","1","3","5","6","1","2","1") = "5"
    & skf21("2","1","3","5","6","1","3","1") = "5"
    & skf21("2","1","3","5","6","1","4","1") = "5"
    & skf21("2","1","3","5","6","1","5","1") = "5"
    & skf21("2","1","3","5","6","1","6","1") = "5"
    & skf21("2","1","3","5","6","1","7","1") = "6"
    & skf21("2","1","3","5","6","2","1","1") = "5"
    & skf21("2","1","3","5","6","2","2","1") = "5"
    & skf21("2","1","3","5","6","2","3","1") = "5"
    & skf21("2","1","3","5","6","2","4","1") = "5"
    & skf21("2","1","3","5","6","2","5","1") = "5"
    & skf21("2","1","3","5","6","2","6","1") = "5"
    & skf21("2","1","3","5","6","2","7","1") = "6"
    & skf21("2","1","3","5","6","3","1","1") = "5"
    & skf21("2","1","3","5","6","3","2","1") = "5"
    & skf21("2","1","3","5","6","3","3","1") = "5"
    & skf21("2","1","3","5","6","3","4","1") = "5"
    & skf21("2","1","3","5","6","3","5","1") = "5"
    & skf21("2","1","3","5","6","3","6","1") = "5"
    & skf21("2","1","3","5","6","3","7","1") = "6"
    & skf21("2","1","3","5","6","4","1","1") = "5"
    & skf21("2","1","3","5","6","4","2","1") = "5"
    & skf21("2","1","3","5","6","4","3","1") = "5"
    & skf21("2","1","3","5","6","4","4","1") = "5"
    & skf21("2","1","3","5","6","4","5","1") = "5"
    & skf21("2","1","3","5","6","4","6","1") = "5"
    & skf21("2","1","3","5","6","4","7","1") = "6"
    & skf21("2","1","3","5","6","5","1","1") = "5"
    & skf21("2","1","3","5","6","5","2","1") = "5"
    & skf21("2","1","3","5","6","5","3","1") = "5"
    & skf21("2","1","3","5","6","5","4","1") = "5"
    & skf21("2","1","3","5","6","5","5","1") = "5"
    & skf21("2","1","3","5","6","5","6","1") = "5"
    & skf21("2","1","3","5","6","5","7","1") = "6"
    & skf21("2","1","3","5","6","6","1","1") = "5"
    & skf21("2","1","3","5","6","6","2","1") = "5"
    & skf21("2","1","3","5","6","6","3","1") = "5"
    & skf21("2","1","3","5","6","6","4","1") = "5"
    & skf21("2","1","3","5","6","6","5","1") = "5"
    & skf21("2","1","3","5","6","6","6","1") = "5"
    & skf21("2","1","3","5","6","6","7","1") = "6"
    & skf21("2","1","3","5","6","7","1","1") = "6"
    & skf21("2","1","3","5","6","7","2","1") = "6"
    & skf21("2","1","3","5","6","7","3","1") = "6"
    & skf21("2","1","3","5","6","7","4","1") = "6"
    & skf21("2","1","3","5","6","7","5","1") = "6"
    & skf21("2","1","3","5","6","7","6","1") = "6"
    & skf21("2","1","3","5","6","7","7","1") = "6"
    & skf21("2","1","3","5","7","1","1","1") = "6"
    & skf21("2","1","3","5","7","1","2","1") = "6"
    & skf21("2","1","3","5","7","1","3","1") = "6"
    & skf21("2","1","3","5","7","1","4","1") = "6"
    & skf21("2","1","3","5","7","1","5","1") = "6"
    & skf21("2","1","3","5","7","1","6","1") = "6"
    & skf21("2","1","3","5","7","1","7","1") = "6"
    & skf21("2","1","3","5","7","2","1","1") = "6"
    & skf21("2","1","3","5","7","2","2","1") = "6"
    & skf21("2","1","3","5","7","2","3","1") = "6"
    & skf21("2","1","3","5","7","2","4","1") = "6"
    & skf21("2","1","3","5","7","2","5","1") = "6"
    & skf21("2","1","3","5","7","2","6","1") = "6"
    & skf21("2","1","3","5","7","2","7","1") = "6"
    & skf21("2","1","3","5","7","3","1","1") = "6"
    & skf21("2","1","3","5","7","3","2","1") = "6"
    & skf21("2","1","3","5","7","3","3","1") = "6"
    & skf21("2","1","3","5","7","3","4","1") = "6"
    & skf21("2","1","3","5","7","3","5","1") = "6"
    & skf21("2","1","3","5","7","3","6","1") = "6"
    & skf21("2","1","3","5","7","3","7","1") = "6"
    & skf21("2","1","3","5","7","4","1","1") = "6"
    & skf21("2","1","3","5","7","4","2","1") = "6"
    & skf21("2","1","3","5","7","4","3","1") = "6"
    & skf21("2","1","3","5","7","4","4","1") = "6"
    & skf21("2","1","3","5","7","4","5","1") = "6"
    & skf21("2","1","3","5","7","4","6","1") = "6"
    & skf21("2","1","3","5","7","4","7","1") = "6"
    & skf21("2","1","3","5","7","5","1","1") = "6"
    & skf21("2","1","3","5","7","5","2","1") = "6"
    & skf21("2","1","3","5","7","5","3","1") = "6"
    & skf21("2","1","3","5","7","5","4","1") = "6"
    & skf21("2","1","3","5","7","5","5","1") = "6"
    & skf21("2","1","3","5","7","5","6","1") = "6"
    & skf21("2","1","3","5","7","5","7","1") = "6"
    & skf21("2","1","3","5","7","6","1","1") = "6"
    & skf21("2","1","3","5","7","6","2","1") = "6"
    & skf21("2","1","3","5","7","6","3","1") = "6"
    & skf21("2","1","3","5","7","6","4","1") = "6"
    & skf21("2","1","3","5","7","6","5","1") = "6"
    & skf21("2","1","3","5","7","6","6","1") = "6"
    & skf21("2","1","3","5","7","6","7","1") = "6"
    & skf21("2","1","3","5","7","7","1","1") = "6"
    & skf21("2","1","3","5","7","7","2","1") = "6"
    & skf21("2","1","3","5","7","7","3","1") = "6"
    & skf21("2","1","3","5","7","7","4","1") = "6"
    & skf21("2","1","3","5","7","7","5","1") = "6"
    & skf21("2","1","3","5","7","7","6","1") = "6"
    & skf21("2","1","3","5","7","7","7","1") = "6"
    & skf21("2","1","3","6","1","1","1","1") = "5"
    & skf21("2","1","3","6","1","1","2","1") = "5"
    & skf21("2","1","3","6","1","1","3","1") = "5"
    & skf21("2","1","3","6","1","1","4","1") = "5"
    & skf21("2","1","3","6","1","1","5","1") = "5"
    & skf21("2","1","3","6","1","1","6","1") = "5"
    & skf21("2","1","3","6","1","1","7","1") = "6"
    & skf21("2","1","3","6","1","2","1","1") = "5"
    & skf21("2","1","3","6","1","2","2","1") = "5"
    & skf21("2","1","3","6","1","2","3","1") = "5"
    & skf21("2","1","3","6","1","2","4","1") = "5"
    & skf21("2","1","3","6","1","2","5","1") = "5"
    & skf21("2","1","3","6","1","2","6","1") = "5"
    & skf21("2","1","3","6","1","2","7","1") = "6"
    & skf21("2","1","3","6","1","3","1","1") = "5"
    & skf21("2","1","3","6","1","3","2","1") = "5"
    & skf21("2","1","3","6","1","3","3","1") = "5"
    & skf21("2","1","3","6","1","3","4","1") = "5"
    & skf21("2","1","3","6","1","3","5","1") = "5"
    & skf21("2","1","3","6","1","3","6","1") = "5"
    & skf21("2","1","3","6","1","3","7","1") = "6"
    & skf21("2","1","3","6","1","4","1","1") = "5"
    & skf21("2","1","3","6","1","4","2","1") = "5"
    & skf21("2","1","3","6","1","4","3","1") = "5"
    & skf21("2","1","3","6","1","4","4","1") = "5"
    & skf21("2","1","3","6","1","4","5","1") = "5"
    & skf21("2","1","3","6","1","4","6","1") = "5"
    & skf21("2","1","3","6","1","4","7","1") = "6"
    & skf21("2","1","3","6","1","5","1","1") = "5"
    & skf21("2","1","3","6","1","5","2","1") = "5"
    & skf21("2","1","3","6","1","5","3","1") = "5"
    & skf21("2","1","3","6","1","5","4","1") = "5"
    & skf21("2","1","3","6","1","5","5","1") = "5"
    & skf21("2","1","3","6","1","5","6","1") = "5"
    & skf21("2","1","3","6","1","5","7","1") = "6"
    & skf21("2","1","3","6","1","6","1","1") = "5"
    & skf21("2","1","3","6","1","6","2","1") = "5"
    & skf21("2","1","3","6","1","6","3","1") = "5"
    & skf21("2","1","3","6","1","6","4","1") = "5"
    & skf21("2","1","3","6","1","6","5","1") = "5"
    & skf21("2","1","3","6","1","6","6","1") = "5"
    & skf21("2","1","3","6","1","6","7","1") = "6"
    & skf21("2","1","3","6","1","7","1","1") = "6"
    & skf21("2","1","3","6","1","7","2","1") = "6"
    & skf21("2","1","3","6","1","7","3","1") = "6"
    & skf21("2","1","3","6","1","7","4","1") = "6"
    & skf21("2","1","3","6","1","7","5","1") = "6"
    & skf21("2","1","3","6","1","7","6","1") = "6"
    & skf21("2","1","3","6","1","7","7","1") = "6"
    & skf21("2","1","3","6","2","1","1","1") = "5"
    & skf21("2","1","3","6","2","1","2","1") = "5"
    & skf21("2","1","3","6","2","1","3","1") = "5"
    & skf21("2","1","3","6","2","1","4","1") = "5"
    & skf21("2","1","3","6","2","1","5","1") = "5"
    & skf21("2","1","3","6","2","1","6","1") = "5"
    & skf21("2","1","3","6","2","1","7","1") = "6"
    & skf21("2","1","3","6","2","2","1","1") = "5"
    & skf21("2","1","3","6","2","2","2","1") = "5"
    & skf21("2","1","3","6","2","2","3","1") = "5"
    & skf21("2","1","3","6","2","2","4","1") = "5"
    & skf21("2","1","3","6","2","2","5","1") = "5"
    & skf21("2","1","3","6","2","2","6","1") = "5"
    & skf21("2","1","3","6","2","2","7","1") = "6"
    & skf21("2","1","3","6","2","3","1","1") = "5"
    & skf21("2","1","3","6","2","3","2","1") = "5"
    & skf21("2","1","3","6","2","3","3","1") = "5"
    & skf21("2","1","3","6","2","3","4","1") = "5"
    & skf21("2","1","3","6","2","3","5","1") = "5"
    & skf21("2","1","3","6","2","3","6","1") = "5"
    & skf21("2","1","3","6","2","3","7","1") = "6"
    & skf21("2","1","3","6","2","4","1","1") = "5"
    & skf21("2","1","3","6","2","4","2","1") = "5"
    & skf21("2","1","3","6","2","4","3","1") = "5"
    & skf21("2","1","3","6","2","4","4","1") = "5"
    & skf21("2","1","3","6","2","4","5","1") = "5"
    & skf21("2","1","3","6","2","4","6","1") = "5"
    & skf21("2","1","3","6","2","4","7","1") = "6"
    & skf21("2","1","3","6","2","5","1","1") = "5"
    & skf21("2","1","3","6","2","5","2","1") = "5"
    & skf21("2","1","3","6","2","5","3","1") = "5"
    & skf21("2","1","3","6","2","5","4","1") = "5"
    & skf21("2","1","3","6","2","5","5","1") = "5"
    & skf21("2","1","3","6","2","5","6","1") = "5"
    & skf21("2","1","3","6","2","5","7","1") = "6"
    & skf21("2","1","3","6","2","6","1","1") = "5"
    & skf21("2","1","3","6","2","6","2","1") = "5"
    & skf21("2","1","3","6","2","6","3","1") = "5"
    & skf21("2","1","3","6","2","6","4","1") = "5"
    & skf21("2","1","3","6","2","6","5","1") = "5"
    & skf21("2","1","3","6","2","6","6","1") = "5"
    & skf21("2","1","3","6","2","6","7","1") = "6"
    & skf21("2","1","3","6","2","7","1","1") = "6"
    & skf21("2","1","3","6","2","7","2","1") = "6"
    & skf21("2","1","3","6","2","7","3","1") = "6"
    & skf21("2","1","3","6","2","7","4","1") = "6"
    & skf21("2","1","3","6","2","7","5","1") = "6"
    & skf21("2","1","3","6","2","7","6","1") = "6"
    & skf21("2","1","3","6","2","7","7","1") = "6"
    & skf21("2","1","3","6","3","1","1","1") = "5"
    & skf21("2","1","3","6","3","1","2","1") = "5"
    & skf21("2","1","3","6","3","1","3","1") = "5"
    & skf21("2","1","3","6","3","1","4","1") = "5"
    & skf21("2","1","3","6","3","1","5","1") = "5"
    & skf21("2","1","3","6","3","1","6","1") = "5"
    & skf21("2","1","3","6","3","1","7","1") = "6"
    & skf21("2","1","3","6","3","2","1","1") = "5"
    & skf21("2","1","3","6","3","2","2","1") = "5"
    & skf21("2","1","3","6","3","2","3","1") = "5"
    & skf21("2","1","3","6","3","2","4","1") = "5"
    & skf21("2","1","3","6","3","2","5","1") = "5"
    & skf21("2","1","3","6","3","2","6","1") = "5"
    & skf21("2","1","3","6","3","2","7","1") = "6"
    & skf21("2","1","3","6","3","3","1","1") = "5"
    & skf21("2","1","3","6","3","3","2","1") = "5"
    & skf21("2","1","3","6","3","3","3","1") = "5"
    & skf21("2","1","3","6","3","3","4","1") = "5"
    & skf21("2","1","3","6","3","3","5","1") = "5"
    & skf21("2","1","3","6","3","3","6","1") = "5"
    & skf21("2","1","3","6","3","3","7","1") = "6"
    & skf21("2","1","3","6","3","4","1","1") = "5"
    & skf21("2","1","3","6","3","4","2","1") = "5"
    & skf21("2","1","3","6","3","4","3","1") = "5"
    & skf21("2","1","3","6","3","4","4","1") = "5"
    & skf21("2","1","3","6","3","4","5","1") = "5"
    & skf21("2","1","3","6","3","4","6","1") = "5"
    & skf21("2","1","3","6","3","4","7","1") = "6"
    & skf21("2","1","3","6","3","5","1","1") = "5"
    & skf21("2","1","3","6","3","5","2","1") = "5"
    & skf21("2","1","3","6","3","5","3","1") = "5"
    & skf21("2","1","3","6","3","5","4","1") = "5"
    & skf21("2","1","3","6","3","5","5","1") = "5"
    & skf21("2","1","3","6","3","5","6","1") = "5"
    & skf21("2","1","3","6","3","5","7","1") = "6"
    & skf21("2","1","3","6","3","6","1","1") = "5"
    & skf21("2","1","3","6","3","6","2","1") = "5"
    & skf21("2","1","3","6","3","6","3","1") = "5"
    & skf21("2","1","3","6","3","6","4","1") = "5"
    & skf21("2","1","3","6","3","6","5","1") = "5"
    & skf21("2","1","3","6","3","6","6","1") = "5"
    & skf21("2","1","3","6","3","6","7","1") = "6"
    & skf21("2","1","3","6","3","7","1","1") = "6"
    & skf21("2","1","3","6","3","7","2","1") = "6"
    & skf21("2","1","3","6","3","7","3","1") = "6"
    & skf21("2","1","3","6","3","7","4","1") = "6"
    & skf21("2","1","3","6","3","7","5","1") = "6"
    & skf21("2","1","3","6","3","7","6","1") = "6"
    & skf21("2","1","3","6","3","7","7","1") = "6"
    & skf21("2","1","3","6","4","1","1","1") = "5"
    & skf21("2","1","3","6","4","1","2","1") = "5"
    & skf21("2","1","3","6","4","1","3","1") = "5"
    & skf21("2","1","3","6","4","1","4","1") = "5"
    & skf21("2","1","3","6","4","1","5","1") = "5"
    & skf21("2","1","3","6","4","1","6","1") = "5"
    & skf21("2","1","3","6","4","1","7","1") = "6"
    & skf21("2","1","3","6","4","2","1","1") = "5"
    & skf21("2","1","3","6","4","2","2","1") = "5"
    & skf21("2","1","3","6","4","2","3","1") = "5"
    & skf21("2","1","3","6","4","2","4","1") = "5"
    & skf21("2","1","3","6","4","2","5","1") = "5"
    & skf21("2","1","3","6","4","2","6","1") = "5"
    & skf21("2","1","3","6","4","2","7","1") = "6"
    & skf21("2","1","3","6","4","3","1","1") = "5"
    & skf21("2","1","3","6","4","3","2","1") = "5"
    & skf21("2","1","3","6","4","3","3","1") = "5"
    & skf21("2","1","3","6","4","3","4","1") = "5"
    & skf21("2","1","3","6","4","3","5","1") = "5"
    & skf21("2","1","3","6","4","3","6","1") = "5"
    & skf21("2","1","3","6","4","3","7","1") = "6"
    & skf21("2","1","3","6","4","4","1","1") = "5"
    & skf21("2","1","3","6","4","4","2","1") = "5"
    & skf21("2","1","3","6","4","4","3","1") = "5"
    & skf21("2","1","3","6","4","4","4","1") = "5"
    & skf21("2","1","3","6","4","4","5","1") = "5"
    & skf21("2","1","3","6","4","4","6","1") = "5"
    & skf21("2","1","3","6","4","4","7","1") = "6"
    & skf21("2","1","3","6","4","5","1","1") = "5"
    & skf21("2","1","3","6","4","5","2","1") = "5"
    & skf21("2","1","3","6","4","5","3","1") = "5"
    & skf21("2","1","3","6","4","5","4","1") = "5"
    & skf21("2","1","3","6","4","5","5","1") = "5"
    & skf21("2","1","3","6","4","5","6","1") = "5"
    & skf21("2","1","3","6","4","5","7","1") = "6"
    & skf21("2","1","3","6","4","6","1","1") = "5"
    & skf21("2","1","3","6","4","6","2","1") = "5"
    & skf21("2","1","3","6","4","6","3","1") = "5"
    & skf21("2","1","3","6","4","6","4","1") = "5"
    & skf21("2","1","3","6","4","6","5","1") = "5"
    & skf21("2","1","3","6","4","6","6","1") = "5"
    & skf21("2","1","3","6","4","6","7","1") = "6"
    & skf21("2","1","3","6","4","7","1","1") = "6"
    & skf21("2","1","3","6","4","7","2","1") = "6"
    & skf21("2","1","3","6","4","7","3","1") = "6"
    & skf21("2","1","3","6","4","7","4","1") = "6"
    & skf21("2","1","3","6","4","7","5","1") = "6"
    & skf21("2","1","3","6","4","7","6","1") = "6"
    & skf21("2","1","3","6","4","7","7","1") = "6"
    & skf21("2","1","3","6","5","1","1","1") = "5"
    & skf21("2","1","3","6","5","1","2","1") = "5"
    & skf21("2","1","3","6","5","1","3","1") = "5"
    & skf21("2","1","3","6","5","1","4","1") = "5"
    & skf21("2","1","3","6","5","1","5","1") = "5"
    & skf21("2","1","3","6","5","1","6","1") = "5"
    & skf21("2","1","3","6","5","1","7","1") = "6"
    & skf21("2","1","3","6","5","2","1","1") = "5"
    & skf21("2","1","3","6","5","2","2","1") = "5"
    & skf21("2","1","3","6","5","2","3","1") = "5"
    & skf21("2","1","3","6","5","2","4","1") = "5"
    & skf21("2","1","3","6","5","2","5","1") = "5"
    & skf21("2","1","3","6","5","2","6","1") = "5"
    & skf21("2","1","3","6","5","2","7","1") = "6"
    & skf21("2","1","3","6","5","3","1","1") = "5"
    & skf21("2","1","3","6","5","3","2","1") = "5"
    & skf21("2","1","3","6","5","3","3","1") = "5"
    & skf21("2","1","3","6","5","3","4","1") = "5"
    & skf21("2","1","3","6","5","3","5","1") = "5"
    & skf21("2","1","3","6","5","3","6","1") = "5"
    & skf21("2","1","3","6","5","3","7","1") = "6"
    & skf21("2","1","3","6","5","4","1","1") = "5"
    & skf21("2","1","3","6","5","4","2","1") = "5"
    & skf21("2","1","3","6","5","4","3","1") = "5"
    & skf21("2","1","3","6","5","4","4","1") = "5"
    & skf21("2","1","3","6","5","4","5","1") = "5"
    & skf21("2","1","3","6","5","4","6","1") = "5"
    & skf21("2","1","3","6","5","4","7","1") = "6"
    & skf21("2","1","3","6","5","5","1","1") = "5"
    & skf21("2","1","3","6","5","5","2","1") = "5"
    & skf21("2","1","3","6","5","5","3","1") = "5"
    & skf21("2","1","3","6","5","5","4","1") = "5"
    & skf21("2","1","3","6","5","5","5","1") = "5"
    & skf21("2","1","3","6","5","5","6","1") = "5"
    & skf21("2","1","3","6","5","5","7","1") = "6"
    & skf21("2","1","3","6","5","6","1","1") = "5"
    & skf21("2","1","3","6","5","6","2","1") = "5"
    & skf21("2","1","3","6","5","6","3","1") = "5"
    & skf21("2","1","3","6","5","6","4","1") = "5"
    & skf21("2","1","3","6","5","6","5","1") = "5"
    & skf21("2","1","3","6","5","6","6","1") = "5"
    & skf21("2","1","3","6","5","6","7","1") = "6"
    & skf21("2","1","3","6","5","7","1","1") = "6"
    & skf21("2","1","3","6","5","7","2","1") = "6"
    & skf21("2","1","3","6","5","7","3","1") = "6"
    & skf21("2","1","3","6","5","7","4","1") = "6"
    & skf21("2","1","3","6","5","7","5","1") = "6"
    & skf21("2","1","3","6","5","7","6","1") = "6"
    & skf21("2","1","3","6","5","7","7","1") = "6"
    & skf21("2","1","3","6","6","1","1","1") = "5"
    & skf21("2","1","3","6","6","1","2","1") = "5"
    & skf21("2","1","3","6","6","1","3","1") = "5"
    & skf21("2","1","3","6","6","1","4","1") = "5"
    & skf21("2","1","3","6","6","1","5","1") = "5"
    & skf21("2","1","3","6","6","1","6","1") = "5"
    & skf21("2","1","3","6","6","1","7","1") = "6"
    & skf21("2","1","3","6","6","2","1","1") = "5"
    & skf21("2","1","3","6","6","2","2","1") = "5"
    & skf21("2","1","3","6","6","2","3","1") = "5"
    & skf21("2","1","3","6","6","2","4","1") = "5"
    & skf21("2","1","3","6","6","2","5","1") = "5"
    & skf21("2","1","3","6","6","2","6","1") = "5"
    & skf21("2","1","3","6","6","2","7","1") = "6"
    & skf21("2","1","3","6","6","3","1","1") = "5"
    & skf21("2","1","3","6","6","3","2","1") = "5"
    & skf21("2","1","3","6","6","3","3","1") = "5"
    & skf21("2","1","3","6","6","3","4","1") = "5"
    & skf21("2","1","3","6","6","3","5","1") = "5"
    & skf21("2","1","3","6","6","3","6","1") = "5"
    & skf21("2","1","3","6","6","3","7","1") = "6"
    & skf21("2","1","3","6","6","4","1","1") = "5"
    & skf21("2","1","3","6","6","4","2","1") = "5"
    & skf21("2","1","3","6","6","4","3","1") = "5"
    & skf21("2","1","3","6","6","4","4","1") = "5"
    & skf21("2","1","3","6","6","4","5","1") = "5"
    & skf21("2","1","3","6","6","4","6","1") = "5"
    & skf21("2","1","3","6","6","4","7","1") = "6"
    & skf21("2","1","3","6","6","5","1","1") = "5"
    & skf21("2","1","3","6","6","5","2","1") = "5"
    & skf21("2","1","3","6","6","5","3","1") = "5"
    & skf21("2","1","3","6","6","5","4","1") = "5"
    & skf21("2","1","3","6","6","5","5","1") = "5"
    & skf21("2","1","3","6","6","5","6","1") = "5"
    & skf21("2","1","3","6","6","5","7","1") = "6"
    & skf21("2","1","3","6","6","6","1","1") = "5"
    & skf21("2","1","3","6","6","6","2","1") = "5"
    & skf21("2","1","3","6","6","6","3","1") = "5"
    & skf21("2","1","3","6","6","6","4","1") = "5"
    & skf21("2","1","3","6","6","6","5","1") = "5"
    & skf21("2","1","3","6","6","6","6","1") = "5"
    & skf21("2","1","3","6","6","6","7","1") = "6"
    & skf21("2","1","3","6","6","7","1","1") = "6"
    & skf21("2","1","3","6","6","7","2","1") = "6"
    & skf21("2","1","3","6","6","7","3","1") = "6"
    & skf21("2","1","3","6","6","7","4","1") = "6"
    & skf21("2","1","3","6","6","7","5","1") = "6"
    & skf21("2","1","3","6","6","7","6","1") = "6"
    & skf21("2","1","3","6","6","7","7","1") = "6"
    & skf21("2","1","3","6","7","1","1","1") = "6"
    & skf21("2","1","3","6","7","1","2","1") = "6"
    & skf21("2","1","3","6","7","1","3","1") = "6"
    & skf21("2","1","3","6","7","1","4","1") = "6"
    & skf21("2","1","3","6","7","1","5","1") = "6"
    & skf21("2","1","3","6","7","1","6","1") = "6"
    & skf21("2","1","3","6","7","1","7","1") = "6"
    & skf21("2","1","3","6","7","2","1","1") = "6"
    & skf21("2","1","3","6","7","2","2","1") = "6"
    & skf21("2","1","3","6","7","2","3","1") = "6"
    & skf21("2","1","3","6","7","2","4","1") = "6"
    & skf21("2","1","3","6","7","2","5","1") = "6"
    & skf21("2","1","3","6","7","2","6","1") = "6"
    & skf21("2","1","3","6","7","2","7","1") = "6"
    & skf21("2","1","3","6","7","3","1","1") = "6"
    & skf21("2","1","3","6","7","3","2","1") = "6"
    & skf21("2","1","3","6","7","3","3","1") = "6"
    & skf21("2","1","3","6","7","3","4","1") = "6"
    & skf21("2","1","3","6","7","3","5","1") = "6"
    & skf21("2","1","3","6","7","3","6","1") = "6"
    & skf21("2","1","3","6","7","3","7","1") = "6"
    & skf21("2","1","3","6","7","4","1","1") = "6"
    & skf21("2","1","3","6","7","4","2","1") = "6"
    & skf21("2","1","3","6","7","4","3","1") = "6"
    & skf21("2","1","3","6","7","4","4","1") = "6"
    & skf21("2","1","3","6","7","4","5","1") = "6"
    & skf21("2","1","3","6","7","4","6","1") = "6"
    & skf21("2","1","3","6","7","4","7","1") = "6"
    & skf21("2","1","3","6","7","5","1","1") = "6"
    & skf21("2","1","3","6","7","5","2","1") = "6"
    & skf21("2","1","3","6","7","5","3","1") = "6"
    & skf21("2","1","3","6","7","5","4","1") = "6"
    & skf21("2","1","3","6","7","5","5","1") = "6"
    & skf21("2","1","3","6","7","5","6","1") = "6"
    & skf21("2","1","3","6","7","5","7","1") = "6"
    & skf21("2","1","3","6","7","6","1","1") = "6"
    & skf21("2","1","3","6","7","6","2","1") = "6"
    & skf21("2","1","3","6","7","6","3","1") = "6"
    & skf21("2","1","3","6","7","6","4","1") = "6"
    & skf21("2","1","3","6","7","6","5","1") = "6"
    & skf21("2","1","3","6","7","6","6","1") = "6"
    & skf21("2","1","3","6","7","6","7","1") = "6"
    & skf21("2","1","3","6","7","7","1","1") = "6"
    & skf21("2","1","3","6","7","7","2","1") = "6"
    & skf21("2","1","3","6","7","7","3","1") = "6"
    & skf21("2","1","3","6","7","7","4","1") = "6"
    & skf21("2","1","3","6","7","7","5","1") = "6"
    & skf21("2","1","3","6","7","7","6","1") = "6"
    & skf21("2","1","3","6","7","7","7","1") = "6"
    & skf21("2","1","3","7","1","1","1","1") = "6"
    & skf21("2","1","3","7","1","1","2","1") = "6"
    & skf21("2","1","3","7","1","1","3","1") = "6"
    & skf21("2","1","3","7","1","1","4","1") = "6"
    & skf21("2","1","3","7","1","1","5","1") = "6"
    & skf21("2","1","3","7","1","1","6","1") = "6"
    & skf21("2","1","3","7","1","1","7","1") = "6"
    & skf21("2","1","3","7","1","2","1","1") = "6"
    & skf21("2","1","3","7","1","2","2","1") = "6"
    & skf21("2","1","3","7","1","2","3","1") = "6"
    & skf21("2","1","3","7","1","2","4","1") = "6"
    & skf21("2","1","3","7","1","2","5","1") = "6"
    & skf21("2","1","3","7","1","2","6","1") = "6"
    & skf21("2","1","3","7","1","2","7","1") = "6"
    & skf21("2","1","3","7","1","3","1","1") = "6"
    & skf21("2","1","3","7","1","3","2","1") = "6"
    & skf21("2","1","3","7","1","3","3","1") = "6"
    & skf21("2","1","3","7","1","3","4","1") = "6"
    & skf21("2","1","3","7","1","3","5","1") = "6"
    & skf21("2","1","3","7","1","3","6","1") = "6"
    & skf21("2","1","3","7","1","3","7","1") = "6"
    & skf21("2","1","3","7","1","4","1","1") = "6"
    & skf21("2","1","3","7","1","4","2","1") = "6"
    & skf21("2","1","3","7","1","4","3","1") = "6"
    & skf21("2","1","3","7","1","4","4","1") = "6"
    & skf21("2","1","3","7","1","4","5","1") = "6"
    & skf21("2","1","3","7","1","4","6","1") = "6"
    & skf21("2","1","3","7","1","4","7","1") = "6"
    & skf21("2","1","3","7","1","5","1","1") = "6"
    & skf21("2","1","3","7","1","5","2","1") = "6"
    & skf21("2","1","3","7","1","5","3","1") = "6"
    & skf21("2","1","3","7","1","5","4","1") = "6"
    & skf21("2","1","3","7","1","5","5","1") = "6"
    & skf21("2","1","3","7","1","5","6","1") = "6"
    & skf21("2","1","3","7","1","5","7","1") = "6"
    & skf21("2","1","3","7","1","6","1","1") = "6"
    & skf21("2","1","3","7","1","6","2","1") = "6"
    & skf21("2","1","3","7","1","6","3","1") = "6"
    & skf21("2","1","3","7","1","6","4","1") = "6"
    & skf21("2","1","3","7","1","6","5","1") = "6"
    & skf21("2","1","3","7","1","6","6","1") = "6"
    & skf21("2","1","3","7","1","6","7","1") = "6"
    & skf21("2","1","3","7","1","7","1","1") = "6"
    & skf21("2","1","3","7","1","7","2","1") = "6"
    & skf21("2","1","3","7","1","7","3","1") = "6"
    & skf21("2","1","3","7","1","7","4","1") = "6"
    & skf21("2","1","3","7","1","7","5","1") = "6"
    & skf21("2","1","3","7","1","7","6","1") = "6"
    & skf21("2","1","3","7","1","7","7","1") = "6"
    & skf21("2","1","3","7","2","1","1","1") = "6"
    & skf21("2","1","3","7","2","1","2","1") = "6"
    & skf21("2","1","3","7","2","1","3","1") = "6"
    & skf21("2","1","3","7","2","1","4","1") = "6"
    & skf21("2","1","3","7","2","1","5","1") = "6"
    & skf21("2","1","3","7","2","1","6","1") = "6"
    & skf21("2","1","3","7","2","1","7","1") = "6"
    & skf21("2","1","3","7","2","2","1","1") = "6"
    & skf21("2","1","3","7","2","2","2","1") = "6"
    & skf21("2","1","3","7","2","2","3","1") = "6"
    & skf21("2","1","3","7","2","2","4","1") = "6"
    & skf21("2","1","3","7","2","2","5","1") = "6"
    & skf21("2","1","3","7","2","2","6","1") = "6"
    & skf21("2","1","3","7","2","2","7","1") = "6"
    & skf21("2","1","3","7","2","3","1","1") = "6"
    & skf21("2","1","3","7","2","3","2","1") = "6"
    & skf21("2","1","3","7","2","3","3","1") = "6"
    & skf21("2","1","3","7","2","3","4","1") = "6"
    & skf21("2","1","3","7","2","3","5","1") = "6"
    & skf21("2","1","3","7","2","3","6","1") = "6"
    & skf21("2","1","3","7","2","3","7","1") = "6"
    & skf21("2","1","3","7","2","4","1","1") = "6"
    & skf21("2","1","3","7","2","4","2","1") = "6"
    & skf21("2","1","3","7","2","4","3","1") = "6"
    & skf21("2","1","3","7","2","4","4","1") = "6"
    & skf21("2","1","3","7","2","4","5","1") = "6"
    & skf21("2","1","3","7","2","4","6","1") = "6"
    & skf21("2","1","3","7","2","4","7","1") = "6"
    & skf21("2","1","3","7","2","5","1","1") = "6"
    & skf21("2","1","3","7","2","5","2","1") = "6"
    & skf21("2","1","3","7","2","5","3","1") = "6"
    & skf21("2","1","3","7","2","5","4","1") = "6"
    & skf21("2","1","3","7","2","5","5","1") = "6"
    & skf21("2","1","3","7","2","5","6","1") = "6"
    & skf21("2","1","3","7","2","5","7","1") = "6"
    & skf21("2","1","3","7","2","6","1","1") = "6"
    & skf21("2","1","3","7","2","6","2","1") = "6"
    & skf21("2","1","3","7","2","6","3","1") = "6"
    & skf21("2","1","3","7","2","6","4","1") = "6"
    & skf21("2","1","3","7","2","6","5","1") = "6"
    & skf21("2","1","3","7","2","6","6","1") = "6"
    & skf21("2","1","3","7","2","6","7","1") = "6"
    & skf21("2","1","3","7","2","7","1","1") = "6"
    & skf21("2","1","3","7","2","7","2","1") = "6"
    & skf21("2","1","3","7","2","7","3","1") = "6"
    & skf21("2","1","3","7","2","7","4","1") = "6"
    & skf21("2","1","3","7","2","7","5","1") = "6"
    & skf21("2","1","3","7","2","7","6","1") = "6"
    & skf21("2","1","3","7","2","7","7","1") = "6"
    & skf21("2","1","3","7","3","1","1","1") = "6"
    & skf21("2","1","3","7","3","1","2","1") = "6"
    & skf21("2","1","3","7","3","1","3","1") = "6"
    & skf21("2","1","3","7","3","1","4","1") = "6"
    & skf21("2","1","3","7","3","1","5","1") = "6"
    & skf21("2","1","3","7","3","1","6","1") = "6"
    & skf21("2","1","3","7","3","1","7","1") = "6"
    & skf21("2","1","3","7","3","2","1","1") = "6"
    & skf21("2","1","3","7","3","2","2","1") = "6"
    & skf21("2","1","3","7","3","2","3","1") = "6"
    & skf21("2","1","3","7","3","2","4","1") = "6"
    & skf21("2","1","3","7","3","2","5","1") = "6"
    & skf21("2","1","3","7","3","2","6","1") = "6"
    & skf21("2","1","3","7","3","2","7","1") = "6"
    & skf21("2","1","3","7","3","3","1","1") = "6"
    & skf21("2","1","3","7","3","3","2","1") = "6"
    & skf21("2","1","3","7","3","3","3","1") = "6"
    & skf21("2","1","3","7","3","3","4","1") = "6"
    & skf21("2","1","3","7","3","3","5","1") = "6"
    & skf21("2","1","3","7","3","3","6","1") = "6"
    & skf21("2","1","3","7","3","3","7","1") = "6"
    & skf21("2","1","3","7","3","4","1","1") = "6"
    & skf21("2","1","3","7","3","4","2","1") = "6"
    & skf21("2","1","3","7","3","4","3","1") = "6"
    & skf21("2","1","3","7","3","4","4","1") = "6"
    & skf21("2","1","3","7","3","4","5","1") = "6"
    & skf21("2","1","3","7","3","4","6","1") = "6"
    & skf21("2","1","3","7","3","4","7","1") = "6"
    & skf21("2","1","3","7","3","5","1","1") = "6"
    & skf21("2","1","3","7","3","5","2","1") = "6"
    & skf21("2","1","3","7","3","5","3","1") = "6"
    & skf21("2","1","3","7","3","5","4","1") = "6"
    & skf21("2","1","3","7","3","5","5","1") = "6"
    & skf21("2","1","3","7","3","5","6","1") = "6"
    & skf21("2","1","3","7","3","5","7","1") = "6"
    & skf21("2","1","3","7","3","6","1","1") = "6"
    & skf21("2","1","3","7","3","6","2","1") = "6"
    & skf21("2","1","3","7","3","6","3","1") = "6"
    & skf21("2","1","3","7","3","6","4","1") = "6"
    & skf21("2","1","3","7","3","6","5","1") = "6"
    & skf21("2","1","3","7","3","6","6","1") = "6"
    & skf21("2","1","3","7","3","6","7","1") = "6"
    & skf21("2","1","3","7","3","7","1","1") = "6"
    & skf21("2","1","3","7","3","7","2","1") = "6"
    & skf21("2","1","3","7","3","7","3","1") = "6"
    & skf21("2","1","3","7","3","7","4","1") = "6"
    & skf21("2","1","3","7","3","7","5","1") = "6"
    & skf21("2","1","3","7","3","7","6","1") = "6"
    & skf21("2","1","3","7","3","7","7","1") = "6"
    & skf21("2","1","3","7","4","1","1","1") = "6"
    & skf21("2","1","3","7","4","1","2","1") = "6"
    & skf21("2","1","3","7","4","1","3","1") = "6"
    & skf21("2","1","3","7","4","1","4","1") = "6"
    & skf21("2","1","3","7","4","1","5","1") = "6"
    & skf21("2","1","3","7","4","1","6","1") = "6"
    & skf21("2","1","3","7","4","1","7","1") = "6"
    & skf21("2","1","3","7","4","2","1","1") = "6"
    & skf21("2","1","3","7","4","2","2","1") = "6"
    & skf21("2","1","3","7","4","2","3","1") = "6"
    & skf21("2","1","3","7","4","2","4","1") = "6"
    & skf21("2","1","3","7","4","2","5","1") = "6"
    & skf21("2","1","3","7","4","2","6","1") = "6"
    & skf21("2","1","3","7","4","2","7","1") = "6"
    & skf21("2","1","3","7","4","3","1","1") = "6"
    & skf21("2","1","3","7","4","3","2","1") = "6"
    & skf21("2","1","3","7","4","3","3","1") = "6"
    & skf21("2","1","3","7","4","3","4","1") = "6"
    & skf21("2","1","3","7","4","3","5","1") = "6"
    & skf21("2","1","3","7","4","3","6","1") = "6"
    & skf21("2","1","3","7","4","3","7","1") = "6"
    & skf21("2","1","3","7","4","4","1","1") = "6"
    & skf21("2","1","3","7","4","4","2","1") = "6"
    & skf21("2","1","3","7","4","4","3","1") = "6"
    & skf21("2","1","3","7","4","4","4","1") = "6"
    & skf21("2","1","3","7","4","4","5","1") = "6"
    & skf21("2","1","3","7","4","4","6","1") = "6"
    & skf21("2","1","3","7","4","4","7","1") = "6"
    & skf21("2","1","3","7","4","5","1","1") = "6"
    & skf21("2","1","3","7","4","5","2","1") = "6"
    & skf21("2","1","3","7","4","5","3","1") = "6"
    & skf21("2","1","3","7","4","5","4","1") = "6"
    & skf21("2","1","3","7","4","5","5","1") = "6"
    & skf21("2","1","3","7","4","5","6","1") = "6"
    & skf21("2","1","3","7","4","5","7","1") = "6"
    & skf21("2","1","3","7","4","6","1","1") = "6"
    & skf21("2","1","3","7","4","6","2","1") = "6"
    & skf21("2","1","3","7","4","6","3","1") = "6"
    & skf21("2","1","3","7","4","6","4","1") = "6"
    & skf21("2","1","3","7","4","6","5","1") = "6"
    & skf21("2","1","3","7","4","6","6","1") = "6"
    & skf21("2","1","3","7","4","6","7","1") = "6"
    & skf21("2","1","3","7","4","7","1","1") = "6"
    & skf21("2","1","3","7","4","7","2","1") = "6"
    & skf21("2","1","3","7","4","7","3","1") = "6"
    & skf21("2","1","3","7","4","7","4","1") = "6"
    & skf21("2","1","3","7","4","7","5","1") = "6"
    & skf21("2","1","3","7","4","7","6","1") = "6"
    & skf21("2","1","3","7","4","7","7","1") = "6"
    & skf21("2","1","3","7","5","1","1","1") = "6"
    & skf21("2","1","3","7","5","1","2","1") = "6"
    & skf21("2","1","3","7","5","1","3","1") = "6"
    & skf21("2","1","3","7","5","1","4","1") = "6"
    & skf21("2","1","3","7","5","1","5","1") = "6"
    & skf21("2","1","3","7","5","1","6","1") = "6"
    & skf21("2","1","3","7","5","1","7","1") = "6"
    & skf21("2","1","3","7","5","2","1","1") = "6"
    & skf21("2","1","3","7","5","2","2","1") = "6"
    & skf21("2","1","3","7","5","2","3","1") = "6"
    & skf21("2","1","3","7","5","2","4","1") = "6"
    & skf21("2","1","3","7","5","2","5","1") = "6"
    & skf21("2","1","3","7","5","2","6","1") = "6"
    & skf21("2","1","3","7","5","2","7","1") = "6"
    & skf21("2","1","3","7","5","3","1","1") = "6"
    & skf21("2","1","3","7","5","3","2","1") = "6"
    & skf21("2","1","3","7","5","3","3","1") = "6"
    & skf21("2","1","3","7","5","3","4","1") = "6"
    & skf21("2","1","3","7","5","3","5","1") = "6"
    & skf21("2","1","3","7","5","3","6","1") = "6"
    & skf21("2","1","3","7","5","3","7","1") = "6"
    & skf21("2","1","3","7","5","4","1","1") = "6"
    & skf21("2","1","3","7","5","4","2","1") = "6"
    & skf21("2","1","3","7","5","4","3","1") = "6"
    & skf21("2","1","3","7","5","4","4","1") = "6"
    & skf21("2","1","3","7","5","4","5","1") = "6"
    & skf21("2","1","3","7","5","4","6","1") = "6"
    & skf21("2","1","3","7","5","4","7","1") = "6"
    & skf21("2","1","3","7","5","5","1","1") = "6"
    & skf21("2","1","3","7","5","5","2","1") = "6"
    & skf21("2","1","3","7","5","5","3","1") = "6"
    & skf21("2","1","3","7","5","5","4","1") = "6"
    & skf21("2","1","3","7","5","5","5","1") = "6"
    & skf21("2","1","3","7","5","5","6","1") = "6"
    & skf21("2","1","3","7","5","5","7","1") = "6"
    & skf21("2","1","3","7","5","6","1","1") = "6"
    & skf21("2","1","3","7","5","6","2","1") = "6"
    & skf21("2","1","3","7","5","6","3","1") = "6"
    & skf21("2","1","3","7","5","6","4","1") = "6"
    & skf21("2","1","3","7","5","6","5","1") = "6"
    & skf21("2","1","3","7","5","6","6","1") = "6"
    & skf21("2","1","3","7","5","6","7","1") = "6"
    & skf21("2","1","3","7","5","7","1","1") = "6"
    & skf21("2","1","3","7","5","7","2","1") = "6"
    & skf21("2","1","3","7","5","7","3","1") = "6"
    & skf21("2","1","3","7","5","7","4","1") = "6"
    & skf21("2","1","3","7","5","7","5","1") = "6"
    & skf21("2","1","3","7","5","7","6","1") = "6"
    & skf21("2","1","3","7","5","7","7","1") = "6"
    & skf21("2","1","3","7","6","1","1","1") = "6"
    & skf21("2","1","3","7","6","1","2","1") = "6"
    & skf21("2","1","3","7","6","1","3","1") = "6"
    & skf21("2","1","3","7","6","1","4","1") = "6"
    & skf21("2","1","3","7","6","1","5","1") = "6"
    & skf21("2","1","3","7","6","1","6","1") = "6"
    & skf21("2","1","3","7","6","1","7","1") = "6"
    & skf21("2","1","3","7","6","2","1","1") = "6"
    & skf21("2","1","3","7","6","2","2","1") = "6"
    & skf21("2","1","3","7","6","2","3","1") = "6"
    & skf21("2","1","3","7","6","2","4","1") = "6"
    & skf21("2","1","3","7","6","2","5","1") = "6"
    & skf21("2","1","3","7","6","2","6","1") = "6"
    & skf21("2","1","3","7","6","2","7","1") = "6"
    & skf21("2","1","3","7","6","3","1","1") = "6"
    & skf21("2","1","3","7","6","3","2","1") = "6"
    & skf21("2","1","3","7","6","3","3","1") = "6"
    & skf21("2","1","3","7","6","3","4","1") = "6"
    & skf21("2","1","3","7","6","3","5","1") = "6"
    & skf21("2","1","3","7","6","3","6","1") = "6"
    & skf21("2","1","3","7","6","3","7","1") = "6"
    & skf21("2","1","3","7","6","4","1","1") = "6"
    & skf21("2","1","3","7","6","4","2","1") = "6"
    & skf21("2","1","3","7","6","4","3","1") = "6"
    & skf21("2","1","3","7","6","4","4","1") = "6"
    & skf21("2","1","3","7","6","4","5","1") = "6"
    & skf21("2","1","3","7","6","4","6","1") = "6"
    & skf21("2","1","3","7","6","4","7","1") = "6"
    & skf21("2","1","3","7","6","5","1","1") = "6"
    & skf21("2","1","3","7","6","5","2","1") = "6"
    & skf21("2","1","3","7","6","5","3","1") = "6"
    & skf21("2","1","3","7","6","5","4","1") = "6"
    & skf21("2","1","3","7","6","5","5","1") = "6"
    & skf21("2","1","3","7","6","5","6","1") = "6"
    & skf21("2","1","3","7","6","5","7","1") = "6"
    & skf21("2","1","3","7","6","6","1","1") = "6"
    & skf21("2","1","3","7","6","6","2","1") = "6"
    & skf21("2","1","3","7","6","6","3","1") = "6"
    & skf21("2","1","3","7","6","6","4","1") = "6"
    & skf21("2","1","3","7","6","6","5","1") = "6"
    & skf21("2","1","3","7","6","6","6","1") = "6"
    & skf21("2","1","3","7","6","6","7","1") = "6"
    & skf21("2","1","3","7","6","7","1","1") = "6"
    & skf21("2","1","3","7","6","7","2","1") = "6"
    & skf21("2","1","3","7","6","7","3","1") = "6"
    & skf21("2","1","3","7","6","7","4","1") = "6"
    & skf21("2","1","3","7","6","7","5","1") = "6"
    & skf21("2","1","3","7","6","7","6","1") = "6"
    & skf21("2","1","3","7","6","7","7","1") = "6"
    & skf21("2","1","3","7","7","1","1","1") = "6"
    & skf21("2","1","3","7","7","1","2","1") = "6"
    & skf21("2","1","3","7","7","1","3","1") = "6"
    & skf21("2","1","3","7","7","1","4","1") = "6"
    & skf21("2","1","3","7","7","1","5","1") = "6"
    & skf21("2","1","3","7","7","1","6","1") = "6"
    & skf21("2","1","3","7","7","1","7","1") = "6"
    & skf21("2","1","3","7","7","2","1","1") = "6"
    & skf21("2","1","3","7","7","2","2","1") = "6"
    & skf21("2","1","3","7","7","2","3","1") = "6"
    & skf21("2","1","3","7","7","2","4","1") = "6"
    & skf21("2","1","3","7","7","2","5","1") = "6"
    & skf21("2","1","3","7","7","2","6","1") = "6"
    & skf21("2","1","3","7","7","2","7","1") = "6"
    & skf21("2","1","3","7","7","3","1","1") = "6"
    & skf21("2","1","3","7","7","3","2","1") = "6"
    & skf21("2","1","3","7","7","3","3","1") = "6"
    & skf21("2","1","3","7","7","3","4","1") = "6"
    & skf21("2","1","3","7","7","3","5","1") = "6"
    & skf21("2","1","3","7","7","3","6","1") = "6"
    & skf21("2","1","3","7","7","3","7","1") = "6"
    & skf21("2","1","3","7","7","4","1","1") = "6"
    & skf21("2","1","3","7","7","4","2","1") = "6"
    & skf21("2","1","3","7","7","4","3","1") = "6"
    & skf21("2","1","3","7","7","4","4","1") = "6"
    & skf21("2","1","3","7","7","4","5","1") = "6"
    & skf21("2","1","3","7","7","4","6","1") = "6"
    & skf21("2","1","3","7","7","4","7","1") = "6"
    & skf21("2","1","3","7","7","5","1","1") = "6"
    & skf21("2","1","3","7","7","5","2","1") = "6"
    & skf21("2","1","3","7","7","5","3","1") = "6"
    & skf21("2","1","3","7","7","5","4","1") = "6"
    & skf21("2","1","3","7","7","5","5","1") = "6"
    & skf21("2","1","3","7","7","5","6","1") = "6"
    & skf21("2","1","3","7","7","5","7","1") = "6"
    & skf21("2","1","3","7","7","6","1","1") = "6"
    & skf21("2","1","3","7","7","6","2","1") = "6"
    & skf21("2","1","3","7","7","6","3","1") = "6"
    & skf21("2","1","3","7","7","6","4","1") = "6"
    & skf21("2","1","3","7","7","6","5","1") = "6"
    & skf21("2","1","3","7","7","6","6","1") = "6"
    & skf21("2","1","3","7","7","6","7","1") = "6"
    & skf21("2","1","3","7","7","7","1","1") = "6"
    & skf21("2","1","3","7","7","7","2","1") = "6"
    & skf21("2","1","3","7","7","7","3","1") = "6"
    & skf21("2","1","3","7","7","7","4","1") = "6"
    & skf21("2","1","3","7","7","7","5","1") = "6"
    & skf21("2","1","3","7","7","7","6","1") = "6"
    & skf21("2","1","3","7","7","7","7","1") = "6"
    & skf21("2","1","4","1","1","1","1","1") = "3"
    & skf21("2","1","4","1","1","1","2","1") = "3"
    & skf21("2","1","4","1","1","1","3","1") = "3"
    & skf21("2","1","4","1","1","1","4","1") = "3"
    & skf21("2","1","4","1","1","1","5","1") = "4"
    & skf21("2","1","4","1","1","1","6","1") = "5"
    & skf21("2","1","4","1","1","1","7","1") = "6"
    & skf21("2","1","4","1","1","2","1","1") = "3"
    & skf21("2","1","4","1","1","2","2","1") = "3"
    & skf21("2","1","4","1","1","2","3","1") = "3"
    & skf21("2","1","4","1","1","2","4","1") = "3"
    & skf21("2","1","4","1","1","2","5","1") = "4"
    & skf21("2","1","4","1","1","2","6","1") = "5"
    & skf21("2","1","4","1","1","2","7","1") = "6"
    & skf21("2","1","4","1","1","3","1","1") = "3"
    & skf21("2","1","4","1","1","3","2","1") = "3"
    & skf21("2","1","4","1","1","3","3","1") = "3"
    & skf21("2","1","4","1","1","3","4","1") = "3"
    & skf21("2","1","4","1","1","3","5","1") = "4"
    & skf21("2","1","4","1","1","3","6","1") = "5"
    & skf21("2","1","4","1","1","3","7","1") = "6"
    & skf21("2","1","4","1","1","4","1","1") = "3"
    & skf21("2","1","4","1","1","4","2","1") = "3"
    & skf21("2","1","4","1","1","4","3","1") = "3"
    & skf21("2","1","4","1","1","4","4","1") = "3"
    & skf21("2","1","4","1","1","4","5","1") = "4"
    & skf21("2","1","4","1","1","4","6","1") = "5"
    & skf21("2","1","4","1","1","4","7","1") = "6"
    & skf21("2","1","4","1","1","5","1","1") = "4"
    & skf21("2","1","4","1","1","5","2","1") = "4"
    & skf21("2","1","4","1","1","5","3","1") = "4"
    & skf21("2","1","4","1","1","5","4","1") = "4"
    & skf21("2","1","4","1","1","5","5","1") = "4"
    & skf21("2","1","4","1","1","5","6","1") = "5"
    & skf21("2","1","4","1","1","5","7","1") = "6"
    & skf21("2","1","4","1","1","6","1","1") = "5"
    & skf21("2","1","4","1","1","6","2","1") = "5"
    & skf21("2","1","4","1","1","6","3","1") = "5"
    & skf21("2","1","4","1","1","6","4","1") = "5"
    & skf21("2","1","4","1","1","6","5","1") = "5"
    & skf21("2","1","4","1","1","6","6","1") = "5"
    & skf21("2","1","4","1","1","6","7","1") = "6"
    & skf21("2","1","4","1","1","7","1","1") = "6"
    & skf21("2","1","4","1","1","7","2","1") = "6"
    & skf21("2","1","4","1","1","7","3","1") = "6"
    & skf21("2","1","4","1","1","7","4","1") = "6"
    & skf21("2","1","4","1","1","7","5","1") = "6"
    & skf21("2","1","4","1","1","7","6","1") = "6"
    & skf21("2","1","4","1","1","7","7","1") = "6"
    & skf21("2","1","4","1","2","1","1","1") = "3"
    & skf21("2","1","4","1","2","1","2","1") = "3"
    & skf21("2","1","4","1","2","1","3","1") = "3"
    & skf21("2","1","4","1","2","1","4","1") = "3"
    & skf21("2","1","4","1","2","1","5","1") = "4"
    & skf21("2","1","4","1","2","1","6","1") = "5"
    & skf21("2","1","4","1","2","1","7","1") = "6"
    & skf21("2","1","4","1","2","2","1","1") = "3"
    & skf21("2","1","4","1","2","2","2","1") = "3"
    & skf21("2","1","4","1","2","2","3","1") = "3"
    & skf21("2","1","4","1","2","2","4","1") = "3"
    & skf21("2","1","4","1","2","2","5","1") = "4"
    & skf21("2","1","4","1","2","2","6","1") = "5"
    & skf21("2","1","4","1","2","2","7","1") = "6"
    & skf21("2","1","4","1","2","3","1","1") = "3"
    & skf21("2","1","4","1","2","3","2","1") = "3"
    & skf21("2","1","4","1","2","3","3","1") = "3"
    & skf21("2","1","4","1","2","3","4","1") = "3"
    & skf21("2","1","4","1","2","3","5","1") = "4"
    & skf21("2","1","4","1","2","3","6","1") = "5"
    & skf21("2","1","4","1","2","3","7","1") = "6"
    & skf21("2","1","4","1","2","4","1","1") = "3"
    & skf21("2","1","4","1","2","4","2","1") = "3"
    & skf21("2","1","4","1","2","4","3","1") = "3"
    & skf21("2","1","4","1","2","4","4","1") = "3"
    & skf21("2","1","4","1","2","4","5","1") = "4"
    & skf21("2","1","4","1","2","4","6","1") = "5"
    & skf21("2","1","4","1","2","4","7","1") = "6"
    & skf21("2","1","4","1","2","5","1","1") = "4"
    & skf21("2","1","4","1","2","5","2","1") = "4"
    & skf21("2","1","4","1","2","5","3","1") = "4"
    & skf21("2","1","4","1","2","5","4","1") = "4"
    & skf21("2","1","4","1","2","5","5","1") = "4"
    & skf21("2","1","4","1","2","5","6","1") = "5"
    & skf21("2","1","4","1","2","5","7","1") = "6"
    & skf21("2","1","4","1","2","6","1","1") = "5"
    & skf21("2","1","4","1","2","6","2","1") = "5"
    & skf21("2","1","4","1","2","6","3","1") = "5"
    & skf21("2","1","4","1","2","6","4","1") = "5"
    & skf21("2","1","4","1","2","6","5","1") = "5"
    & skf21("2","1","4","1","2","6","6","1") = "5"
    & skf21("2","1","4","1","2","6","7","1") = "6"
    & skf21("2","1","4","1","2","7","1","1") = "6"
    & skf21("2","1","4","1","2","7","2","1") = "6"
    & skf21("2","1","4","1","2","7","3","1") = "6"
    & skf21("2","1","4","1","2","7","4","1") = "6"
    & skf21("2","1","4","1","2","7","5","1") = "6"
    & skf21("2","1","4","1","2","7","6","1") = "6"
    & skf21("2","1","4","1","2","7","7","1") = "6"
    & skf21("2","1","4","1","3","1","1","1") = "3"
    & skf21("2","1","4","1","3","1","2","1") = "3"
    & skf21("2","1","4","1","3","1","3","1") = "3"
    & skf21("2","1","4","1","3","1","4","1") = "3"
    & skf21("2","1","4","1","3","1","5","1") = "4"
    & skf21("2","1","4","1","3","1","6","1") = "5"
    & skf21("2","1","4","1","3","1","7","1") = "6"
    & skf21("2","1","4","1","3","2","1","1") = "3"
    & skf21("2","1","4","1","3","2","2","1") = "3"
    & skf21("2","1","4","1","3","2","3","1") = "3"
    & skf21("2","1","4","1","3","2","4","1") = "3"
    & skf21("2","1","4","1","3","2","5","1") = "4"
    & skf21("2","1","4","1","3","2","6","1") = "5"
    & skf21("2","1","4","1","3","2","7","1") = "6"
    & skf21("2","1","4","1","3","3","1","1") = "3"
    & skf21("2","1","4","1","3","3","2","1") = "3"
    & skf21("2","1","4","1","3","3","3","1") = "3"
    & skf21("2","1","4","1","3","3","4","1") = "3"
    & skf21("2","1","4","1","3","3","5","1") = "4"
    & skf21("2","1","4","1","3","3","6","1") = "5"
    & skf21("2","1","4","1","3","3","7","1") = "6"
    & skf21("2","1","4","1","3","4","1","1") = "3"
    & skf21("2","1","4","1","3","4","2","1") = "3"
    & skf21("2","1","4","1","3","4","3","1") = "3"
    & skf21("2","1","4","1","3","4","4","1") = "3"
    & skf21("2","1","4","1","3","4","5","1") = "4"
    & skf21("2","1","4","1","3","4","6","1") = "5"
    & skf21("2","1","4","1","3","4","7","1") = "6"
    & skf21("2","1","4","1","3","5","1","1") = "4"
    & skf21("2","1","4","1","3","5","2","1") = "4"
    & skf21("2","1","4","1","3","5","3","1") = "4"
    & skf21("2","1","4","1","3","5","4","1") = "4"
    & skf21("2","1","4","1","3","5","5","1") = "4"
    & skf21("2","1","4","1","3","5","6","1") = "5"
    & skf21("2","1","4","1","3","5","7","1") = "6"
    & skf21("2","1","4","1","3","6","1","1") = "5"
    & skf21("2","1","4","1","3","6","2","1") = "5"
    & skf21("2","1","4","1","3","6","3","1") = "5"
    & skf21("2","1","4","1","3","6","4","1") = "5"
    & skf21("2","1","4","1","3","6","5","1") = "5"
    & skf21("2","1","4","1","3","6","6","1") = "5"
    & skf21("2","1","4","1","3","6","7","1") = "6"
    & skf21("2","1","4","1","3","7","1","1") = "6"
    & skf21("2","1","4","1","3","7","2","1") = "6"
    & skf21("2","1","4","1","3","7","3","1") = "6"
    & skf21("2","1","4","1","3","7","4","1") = "6"
    & skf21("2","1","4","1","3","7","5","1") = "6"
    & skf21("2","1","4","1","3","7","6","1") = "6"
    & skf21("2","1","4","1","3","7","7","1") = "6"
    & skf21("2","1","4","1","4","1","1","1") = "3"
    & skf21("2","1","4","1","4","1","2","1") = "3"
    & skf21("2","1","4","1","4","1","3","1") = "3"
    & skf21("2","1","4","1","4","1","4","1") = "3"
    & skf21("2","1","4","1","4","1","5","1") = "4"
    & skf21("2","1","4","1","4","1","6","1") = "5"
    & skf21("2","1","4","1","4","1","7","1") = "6"
    & skf21("2","1","4","1","4","2","1","1") = "3"
    & skf21("2","1","4","1","4","2","2","1") = "3"
    & skf21("2","1","4","1","4","2","3","1") = "3"
    & skf21("2","1","4","1","4","2","4","1") = "3"
    & skf21("2","1","4","1","4","2","5","1") = "4"
    & skf21("2","1","4","1","4","2","6","1") = "5"
    & skf21("2","1","4","1","4","2","7","1") = "6"
    & skf21("2","1","4","1","4","3","1","1") = "3"
    & skf21("2","1","4","1","4","3","2","1") = "3"
    & skf21("2","1","4","1","4","3","3","1") = "3"
    & skf21("2","1","4","1","4","3","4","1") = "3"
    & skf21("2","1","4","1","4","3","5","1") = "4"
    & skf21("2","1","4","1","4","3","6","1") = "5"
    & skf21("2","1","4","1","4","3","7","1") = "6"
    & skf21("2","1","4","1","4","4","1","1") = "3"
    & skf21("2","1","4","1","4","4","2","1") = "3"
    & skf21("2","1","4","1","4","4","3","1") = "3"
    & skf21("2","1","4","1","4","4","4","1") = "3"
    & skf21("2","1","4","1","4","4","5","1") = "4"
    & skf21("2","1","4","1","4","4","6","1") = "5"
    & skf21("2","1","4","1","4","4","7","1") = "6"
    & skf21("2","1","4","1","4","5","1","1") = "4"
    & skf21("2","1","4","1","4","5","2","1") = "4"
    & skf21("2","1","4","1","4","5","3","1") = "4"
    & skf21("2","1","4","1","4","5","4","1") = "4"
    & skf21("2","1","4","1","4","5","5","1") = "4"
    & skf21("2","1","4","1","4","5","6","1") = "5"
    & skf21("2","1","4","1","4","5","7","1") = "6"
    & skf21("2","1","4","1","4","6","1","1") = "5"
    & skf21("2","1","4","1","4","6","2","1") = "5"
    & skf21("2","1","4","1","4","6","3","1") = "5"
    & skf21("2","1","4","1","4","6","4","1") = "5"
    & skf21("2","1","4","1","4","6","5","1") = "5"
    & skf21("2","1","4","1","4","6","6","1") = "5"
    & skf21("2","1","4","1","4","6","7","1") = "6"
    & skf21("2","1","4","1","4","7","1","1") = "6"
    & skf21("2","1","4","1","4","7","2","1") = "6"
    & skf21("2","1","4","1","4","7","3","1") = "6"
    & skf21("2","1","4","1","4","7","4","1") = "6"
    & skf21("2","1","4","1","4","7","5","1") = "6"
    & skf21("2","1","4","1","4","7","6","1") = "6"
    & skf21("2","1","4","1","4","7","7","1") = "6"
    & skf21("2","1","4","1","5","1","1","1") = "4"
    & skf21("2","1","4","1","5","1","2","1") = "4"
    & skf21("2","1","4","1","5","1","3","1") = "4"
    & skf21("2","1","4","1","5","1","4","1") = "4"
    & skf21("2","1","4","1","5","1","5","1") = "4"
    & skf21("2","1","4","1","5","1","6","1") = "5"
    & skf21("2","1","4","1","5","1","7","1") = "6"
    & skf21("2","1","4","1","5","2","1","1") = "4"
    & skf21("2","1","4","1","5","2","2","1") = "4"
    & skf21("2","1","4","1","5","2","3","1") = "4"
    & skf21("2","1","4","1","5","2","4","1") = "4"
    & skf21("2","1","4","1","5","2","5","1") = "4"
    & skf21("2","1","4","1","5","2","6","1") = "5"
    & skf21("2","1","4","1","5","2","7","1") = "6"
    & skf21("2","1","4","1","5","3","1","1") = "4"
    & skf21("2","1","4","1","5","3","2","1") = "4"
    & skf21("2","1","4","1","5","3","3","1") = "4"
    & skf21("2","1","4","1","5","3","4","1") = "4"
    & skf21("2","1","4","1","5","3","5","1") = "4"
    & skf21("2","1","4","1","5","3","6","1") = "5"
    & skf21("2","1","4","1","5","3","7","1") = "6"
    & skf21("2","1","4","1","5","4","1","1") = "4"
    & skf21("2","1","4","1","5","4","2","1") = "4"
    & skf21("2","1","4","1","5","4","3","1") = "4"
    & skf21("2","1","4","1","5","4","4","1") = "4"
    & skf21("2","1","4","1","5","4","5","1") = "4"
    & skf21("2","1","4","1","5","4","6","1") = "5"
    & skf21("2","1","4","1","5","4","7","1") = "6"
    & skf21("2","1","4","1","5","5","1","1") = "4"
    & skf21("2","1","4","1","5","5","2","1") = "4"
    & skf21("2","1","4","1","5","5","3","1") = "4"
    & skf21("2","1","4","1","5","5","4","1") = "4"
    & skf21("2","1","4","1","5","5","5","1") = "4"
    & skf21("2","1","4","1","5","5","6","1") = "5"
    & skf21("2","1","4","1","5","5","7","1") = "6"
    & skf21("2","1","4","1","5","6","1","1") = "5"
    & skf21("2","1","4","1","5","6","2","1") = "5"
    & skf21("2","1","4","1","5","6","3","1") = "5"
    & skf21("2","1","4","1","5","6","4","1") = "5"
    & skf21("2","1","4","1","5","6","5","1") = "5"
    & skf21("2","1","4","1","5","6","6","1") = "5"
    & skf21("2","1","4","1","5","6","7","1") = "6"
    & skf21("2","1","4","1","5","7","1","1") = "6"
    & skf21("2","1","4","1","5","7","2","1") = "6"
    & skf21("2","1","4","1","5","7","3","1") = "6"
    & skf21("2","1","4","1","5","7","4","1") = "6"
    & skf21("2","1","4","1","5","7","5","1") = "6"
    & skf21("2","1","4","1","5","7","6","1") = "6"
    & skf21("2","1","4","1","5","7","7","1") = "6"
    & skf21("2","1","4","1","6","1","1","1") = "5"
    & skf21("2","1","4","1","6","1","2","1") = "5"
    & skf21("2","1","4","1","6","1","3","1") = "5"
    & skf21("2","1","4","1","6","1","4","1") = "5"
    & skf21("2","1","4","1","6","1","5","1") = "5"
    & skf21("2","1","4","1","6","1","6","1") = "5"
    & skf21("2","1","4","1","6","1","7","1") = "6"
    & skf21("2","1","4","1","6","2","1","1") = "5"
    & skf21("2","1","4","1","6","2","2","1") = "5"
    & skf21("2","1","4","1","6","2","3","1") = "5"
    & skf21("2","1","4","1","6","2","4","1") = "5"
    & skf21("2","1","4","1","6","2","5","1") = "5"
    & skf21("2","1","4","1","6","2","6","1") = "5"
    & skf21("2","1","4","1","6","2","7","1") = "6"
    & skf21("2","1","4","1","6","3","1","1") = "5"
    & skf21("2","1","4","1","6","3","2","1") = "5"
    & skf21("2","1","4","1","6","3","3","1") = "5"
    & skf21("2","1","4","1","6","3","4","1") = "5"
    & skf21("2","1","4","1","6","3","5","1") = "5"
    & skf21("2","1","4","1","6","3","6","1") = "5"
    & skf21("2","1","4","1","6","3","7","1") = "6"
    & skf21("2","1","4","1","6","4","1","1") = "5"
    & skf21("2","1","4","1","6","4","2","1") = "5"
    & skf21("2","1","4","1","6","4","3","1") = "5"
    & skf21("2","1","4","1","6","4","4","1") = "5"
    & skf21("2","1","4","1","6","4","5","1") = "5"
    & skf21("2","1","4","1","6","4","6","1") = "5"
    & skf21("2","1","4","1","6","4","7","1") = "6"
    & skf21("2","1","4","1","6","5","1","1") = "5"
    & skf21("2","1","4","1","6","5","2","1") = "5"
    & skf21("2","1","4","1","6","5","3","1") = "5"
    & skf21("2","1","4","1","6","5","4","1") = "5"
    & skf21("2","1","4","1","6","5","5","1") = "5"
    & skf21("2","1","4","1","6","5","6","1") = "5"
    & skf21("2","1","4","1","6","5","7","1") = "6"
    & skf21("2","1","4","1","6","6","1","1") = "5"
    & skf21("2","1","4","1","6","6","2","1") = "5"
    & skf21("2","1","4","1","6","6","3","1") = "5"
    & skf21("2","1","4","1","6","6","4","1") = "5"
    & skf21("2","1","4","1","6","6","5","1") = "5"
    & skf21("2","1","4","1","6","6","6","1") = "5"
    & skf21("2","1","4","1","6","6","7","1") = "6"
    & skf21("2","1","4","1","6","7","1","1") = "6"
    & skf21("2","1","4","1","6","7","2","1") = "6"
    & skf21("2","1","4","1","6","7","3","1") = "6"
    & skf21("2","1","4","1","6","7","4","1") = "6"
    & skf21("2","1","4","1","6","7","5","1") = "6"
    & skf21("2","1","4","1","6","7","6","1") = "6"
    & skf21("2","1","4","1","6","7","7","1") = "6"
    & skf21("2","1","4","1","7","1","1","1") = "6"
    & skf21("2","1","4","1","7","1","2","1") = "6"
    & skf21("2","1","4","1","7","1","3","1") = "6"
    & skf21("2","1","4","1","7","1","4","1") = "6"
    & skf21("2","1","4","1","7","1","5","1") = "6"
    & skf21("2","1","4","1","7","1","6","1") = "6"
    & skf21("2","1","4","1","7","1","7","1") = "6"
    & skf21("2","1","4","1","7","2","1","1") = "6"
    & skf21("2","1","4","1","7","2","2","1") = "6"
    & skf21("2","1","4","1","7","2","3","1") = "6"
    & skf21("2","1","4","1","7","2","4","1") = "6"
    & skf21("2","1","4","1","7","2","5","1") = "6"
    & skf21("2","1","4","1","7","2","6","1") = "6"
    & skf21("2","1","4","1","7","2","7","1") = "6"
    & skf21("2","1","4","1","7","3","1","1") = "6"
    & skf21("2","1","4","1","7","3","2","1") = "6"
    & skf21("2","1","4","1","7","3","3","1") = "6"
    & skf21("2","1","4","1","7","3","4","1") = "6"
    & skf21("2","1","4","1","7","3","5","1") = "6"
    & skf21("2","1","4","1","7","3","6","1") = "6"
    & skf21("2","1","4","1","7","3","7","1") = "6"
    & skf21("2","1","4","1","7","4","1","1") = "6"
    & skf21("2","1","4","1","7","4","2","1") = "6"
    & skf21("2","1","4","1","7","4","3","1") = "6"
    & skf21("2","1","4","1","7","4","4","1") = "6"
    & skf21("2","1","4","1","7","4","5","1") = "6"
    & skf21("2","1","4","1","7","4","6","1") = "6"
    & skf21("2","1","4","1","7","4","7","1") = "6"
    & skf21("2","1","4","1","7","5","1","1") = "6"
    & skf21("2","1","4","1","7","5","2","1") = "6"
    & skf21("2","1","4","1","7","5","3","1") = "6"
    & skf21("2","1","4","1","7","5","4","1") = "6"
    & skf21("2","1","4","1","7","5","5","1") = "6"
    & skf21("2","1","4","1","7","5","6","1") = "6"
    & skf21("2","1","4","1","7","5","7","1") = "6"
    & skf21("2","1","4","1","7","6","1","1") = "6"
    & skf21("2","1","4","1","7","6","2","1") = "6"
    & skf21("2","1","4","1","7","6","3","1") = "6"
    & skf21("2","1","4","1","7","6","4","1") = "6"
    & skf21("2","1","4","1","7","6","5","1") = "6"
    & skf21("2","1","4","1","7","6","6","1") = "6"
    & skf21("2","1","4","1","7","6","7","1") = "6"
    & skf21("2","1","4","1","7","7","1","1") = "6"
    & skf21("2","1","4","1","7","7","2","1") = "6"
    & skf21("2","1","4","1","7","7","3","1") = "6"
    & skf21("2","1","4","1","7","7","4","1") = "6"
    & skf21("2","1","4","1","7","7","5","1") = "6"
    & skf21("2","1","4","1","7","7","6","1") = "6"
    & skf21("2","1","4","1","7","7","7","1") = "6"
    & skf21("2","1","4","2","1","1","1","1") = "3"
    & skf21("2","1","4","2","1","1","2","1") = "3"
    & skf21("2","1","4","2","1","1","3","1") = "3"
    & skf21("2","1","4","2","1","1","4","1") = "3"
    & skf21("2","1","4","2","1","1","5","1") = "4"
    & skf21("2","1","4","2","1","1","6","1") = "5"
    & skf21("2","1","4","2","1","1","7","1") = "6"
    & skf21("2","1","4","2","1","2","1","1") = "3"
    & skf21("2","1","4","2","1","2","2","1") = "3"
    & skf21("2","1","4","2","1","2","3","1") = "3"
    & skf21("2","1","4","2","1","2","4","1") = "3"
    & skf21("2","1","4","2","1","2","5","1") = "4"
    & skf21("2","1","4","2","1","2","6","1") = "5"
    & skf21("2","1","4","2","1","2","7","1") = "6"
    & skf21("2","1","4","2","1","3","1","1") = "3"
    & skf21("2","1","4","2","1","3","2","1") = "3"
    & skf21("2","1","4","2","1","3","3","1") = "3"
    & skf21("2","1","4","2","1","3","4","1") = "3"
    & skf21("2","1","4","2","1","3","5","1") = "4"
    & skf21("2","1","4","2","1","3","6","1") = "5"
    & skf21("2","1","4","2","1","3","7","1") = "6"
    & skf21("2","1","4","2","1","4","1","1") = "3"
    & skf21("2","1","4","2","1","4","2","1") = "3"
    & skf21("2","1","4","2","1","4","3","1") = "3"
    & skf21("2","1","4","2","1","4","4","1") = "3"
    & skf21("2","1","4","2","1","4","5","1") = "4"
    & skf21("2","1","4","2","1","4","6","1") = "5"
    & skf21("2","1","4","2","1","4","7","1") = "6"
    & skf21("2","1","4","2","1","5","1","1") = "4"
    & skf21("2","1","4","2","1","5","2","1") = "4"
    & skf21("2","1","4","2","1","5","3","1") = "4"
    & skf21("2","1","4","2","1","5","4","1") = "4"
    & skf21("2","1","4","2","1","5","5","1") = "4"
    & skf21("2","1","4","2","1","5","6","1") = "5"
    & skf21("2","1","4","2","1","5","7","1") = "6"
    & skf21("2","1","4","2","1","6","1","1") = "5"
    & skf21("2","1","4","2","1","6","2","1") = "5"
    & skf21("2","1","4","2","1","6","3","1") = "5"
    & skf21("2","1","4","2","1","6","4","1") = "5"
    & skf21("2","1","4","2","1","6","5","1") = "5"
    & skf21("2","1","4","2","1","6","6","1") = "5"
    & skf21("2","1","4","2","1","6","7","1") = "6"
    & skf21("2","1","4","2","1","7","1","1") = "6"
    & skf21("2","1","4","2","1","7","2","1") = "6"
    & skf21("2","1","4","2","1","7","3","1") = "6"
    & skf21("2","1","4","2","1","7","4","1") = "6"
    & skf21("2","1","4","2","1","7","5","1") = "6"
    & skf21("2","1","4","2","1","7","6","1") = "6"
    & skf21("2","1","4","2","1","7","7","1") = "6"
    & skf21("2","1","4","2","2","1","1","1") = "3"
    & skf21("2","1","4","2","2","1","2","1") = "3"
    & skf21("2","1","4","2","2","1","3","1") = "3"
    & skf21("2","1","4","2","2","1","4","1") = "3"
    & skf21("2","1","4","2","2","1","5","1") = "4"
    & skf21("2","1","4","2","2","1","6","1") = "5"
    & skf21("2","1","4","2","2","1","7","1") = "6"
    & skf21("2","1","4","2","2","2","1","1") = "3"
    & skf21("2","1","4","2","2","2","2","1") = "3"
    & skf21("2","1","4","2","2","2","3","1") = "3"
    & skf21("2","1","4","2","2","2","4","1") = "3"
    & skf21("2","1","4","2","2","2","5","1") = "4"
    & skf21("2","1","4","2","2","2","6","1") = "5"
    & skf21("2","1","4","2","2","2","7","1") = "6"
    & skf21("2","1","4","2","2","3","1","1") = "3"
    & skf21("2","1","4","2","2","3","2","1") = "3"
    & skf21("2","1","4","2","2","3","3","1") = "3"
    & skf21("2","1","4","2","2","3","4","1") = "3"
    & skf21("2","1","4","2","2","3","5","1") = "4"
    & skf21("2","1","4","2","2","3","6","1") = "5"
    & skf21("2","1","4","2","2","3","7","1") = "6"
    & skf21("2","1","4","2","2","4","1","1") = "3"
    & skf21("2","1","4","2","2","4","2","1") = "3"
    & skf21("2","1","4","2","2","4","3","1") = "3"
    & skf21("2","1","4","2","2","4","4","1") = "3"
    & skf21("2","1","4","2","2","4","5","1") = "4"
    & skf21("2","1","4","2","2","4","6","1") = "5"
    & skf21("2","1","4","2","2","4","7","1") = "6"
    & skf21("2","1","4","2","2","5","1","1") = "4"
    & skf21("2","1","4","2","2","5","2","1") = "4"
    & skf21("2","1","4","2","2","5","3","1") = "4"
    & skf21("2","1","4","2","2","5","4","1") = "4"
    & skf21("2","1","4","2","2","5","5","1") = "4"
    & skf21("2","1","4","2","2","5","6","1") = "5"
    & skf21("2","1","4","2","2","5","7","1") = "6"
    & skf21("2","1","4","2","2","6","1","1") = "5"
    & skf21("2","1","4","2","2","6","2","1") = "5"
    & skf21("2","1","4","2","2","6","3","1") = "5"
    & skf21("2","1","4","2","2","6","4","1") = "5"
    & skf21("2","1","4","2","2","6","5","1") = "5"
    & skf21("2","1","4","2","2","6","6","1") = "5"
    & skf21("2","1","4","2","2","6","7","1") = "6"
    & skf21("2","1","4","2","2","7","1","1") = "6"
    & skf21("2","1","4","2","2","7","2","1") = "6"
    & skf21("2","1","4","2","2","7","3","1") = "6"
    & skf21("2","1","4","2","2","7","4","1") = "6"
    & skf21("2","1","4","2","2","7","5","1") = "6"
    & skf21("2","1","4","2","2","7","6","1") = "6"
    & skf21("2","1","4","2","2","7","7","1") = "6"
    & skf21("2","1","4","2","3","1","1","1") = "3"
    & skf21("2","1","4","2","3","1","2","1") = "3"
    & skf21("2","1","4","2","3","1","3","1") = "3"
    & skf21("2","1","4","2","3","1","4","1") = "3"
    & skf21("2","1","4","2","3","1","5","1") = "4"
    & skf21("2","1","4","2","3","1","6","1") = "5"
    & skf21("2","1","4","2","3","1","7","1") = "6"
    & skf21("2","1","4","2","3","2","1","1") = "3"
    & skf21("2","1","4","2","3","2","2","1") = "3"
    & skf21("2","1","4","2","3","2","3","1") = "3"
    & skf21("2","1","4","2","3","2","4","1") = "3"
    & skf21("2","1","4","2","3","2","5","1") = "4"
    & skf21("2","1","4","2","3","2","6","1") = "5"
    & skf21("2","1","4","2","3","2","7","1") = "6"
    & skf21("2","1","4","2","3","3","1","1") = "3"
    & skf21("2","1","4","2","3","3","2","1") = "3"
    & skf21("2","1","4","2","3","3","3","1") = "3"
    & skf21("2","1","4","2","3","3","4","1") = "3"
    & skf21("2","1","4","2","3","3","5","1") = "4"
    & skf21("2","1","4","2","3","3","6","1") = "5"
    & skf21("2","1","4","2","3","3","7","1") = "6"
    & skf21("2","1","4","2","3","4","1","1") = "3"
    & skf21("2","1","4","2","3","4","2","1") = "3"
    & skf21("2","1","4","2","3","4","3","1") = "3"
    & skf21("2","1","4","2","3","4","4","1") = "3"
    & skf21("2","1","4","2","3","4","5","1") = "4"
    & skf21("2","1","4","2","3","4","6","1") = "5"
    & skf21("2","1","4","2","3","4","7","1") = "6"
    & skf21("2","1","4","2","3","5","1","1") = "4"
    & skf21("2","1","4","2","3","5","2","1") = "4"
    & skf21("2","1","4","2","3","5","3","1") = "4"
    & skf21("2","1","4","2","3","5","4","1") = "4"
    & skf21("2","1","4","2","3","5","5","1") = "4"
    & skf21("2","1","4","2","3","5","6","1") = "5"
    & skf21("2","1","4","2","3","5","7","1") = "6"
    & skf21("2","1","4","2","3","6","1","1") = "5"
    & skf21("2","1","4","2","3","6","2","1") = "5"
    & skf21("2","1","4","2","3","6","3","1") = "5"
    & skf21("2","1","4","2","3","6","4","1") = "5"
    & skf21("2","1","4","2","3","6","5","1") = "5"
    & skf21("2","1","4","2","3","6","6","1") = "5"
    & skf21("2","1","4","2","3","6","7","1") = "6"
    & skf21("2","1","4","2","3","7","1","1") = "6"
    & skf21("2","1","4","2","3","7","2","1") = "6"
    & skf21("2","1","4","2","3","7","3","1") = "6"
    & skf21("2","1","4","2","3","7","4","1") = "6"
    & skf21("2","1","4","2","3","7","5","1") = "6"
    & skf21("2","1","4","2","3","7","6","1") = "6"
    & skf21("2","1","4","2","3","7","7","1") = "6"
    & skf21("2","1","4","2","4","1","1","1") = "3"
    & skf21("2","1","4","2","4","1","2","1") = "3"
    & skf21("2","1","4","2","4","1","3","1") = "3"
    & skf21("2","1","4","2","4","1","4","1") = "3"
    & skf21("2","1","4","2","4","1","5","1") = "4"
    & skf21("2","1","4","2","4","1","6","1") = "5"
    & skf21("2","1","4","2","4","1","7","1") = "6"
    & skf21("2","1","4","2","4","2","1","1") = "3"
    & skf21("2","1","4","2","4","2","2","1") = "3"
    & skf21("2","1","4","2","4","2","3","1") = "3"
    & skf21("2","1","4","2","4","2","4","1") = "3"
    & skf21("2","1","4","2","4","2","5","1") = "4"
    & skf21("2","1","4","2","4","2","6","1") = "5"
    & skf21("2","1","4","2","4","2","7","1") = "6"
    & skf21("2","1","4","2","4","3","1","1") = "3"
    & skf21("2","1","4","2","4","3","2","1") = "3"
    & skf21("2","1","4","2","4","3","3","1") = "3"
    & skf21("2","1","4","2","4","3","4","1") = "3"
    & skf21("2","1","4","2","4","3","5","1") = "4"
    & skf21("2","1","4","2","4","3","6","1") = "5"
    & skf21("2","1","4","2","4","3","7","1") = "6"
    & skf21("2","1","4","2","4","4","1","1") = "3"
    & skf21("2","1","4","2","4","4","2","1") = "3"
    & skf21("2","1","4","2","4","4","3","1") = "3"
    & skf21("2","1","4","2","4","4","4","1") = "3"
    & skf21("2","1","4","2","4","4","5","1") = "4"
    & skf21("2","1","4","2","4","4","6","1") = "5"
    & skf21("2","1","4","2","4","4","7","1") = "6"
    & skf21("2","1","4","2","4","5","1","1") = "4"
    & skf21("2","1","4","2","4","5","2","1") = "4"
    & skf21("2","1","4","2","4","5","3","1") = "4"
    & skf21("2","1","4","2","4","5","4","1") = "4"
    & skf21("2","1","4","2","4","5","5","1") = "4"
    & skf21("2","1","4","2","4","5","6","1") = "5"
    & skf21("2","1","4","2","4","5","7","1") = "6"
    & skf21("2","1","4","2","4","6","1","1") = "5"
    & skf21("2","1","4","2","4","6","2","1") = "5"
    & skf21("2","1","4","2","4","6","3","1") = "5"
    & skf21("2","1","4","2","4","6","4","1") = "5"
    & skf21("2","1","4","2","4","6","5","1") = "5"
    & skf21("2","1","4","2","4","6","6","1") = "5"
    & skf21("2","1","4","2","4","6","7","1") = "6"
    & skf21("2","1","4","2","4","7","1","1") = "6"
    & skf21("2","1","4","2","4","7","2","1") = "6"
    & skf21("2","1","4","2","4","7","3","1") = "6"
    & skf21("2","1","4","2","4","7","4","1") = "6"
    & skf21("2","1","4","2","4","7","5","1") = "6"
    & skf21("2","1","4","2","4","7","6","1") = "6"
    & skf21("2","1","4","2","4","7","7","1") = "6"
    & skf21("2","1","4","2","5","1","1","1") = "4"
    & skf21("2","1","4","2","5","1","2","1") = "4"
    & skf21("2","1","4","2","5","1","3","1") = "4"
    & skf21("2","1","4","2","5","1","4","1") = "4"
    & skf21("2","1","4","2","5","1","5","1") = "4"
    & skf21("2","1","4","2","5","1","6","1") = "5"
    & skf21("2","1","4","2","5","1","7","1") = "6"
    & skf21("2","1","4","2","5","2","1","1") = "4"
    & skf21("2","1","4","2","5","2","2","1") = "4"
    & skf21("2","1","4","2","5","2","3","1") = "4"
    & skf21("2","1","4","2","5","2","4","1") = "4"
    & skf21("2","1","4","2","5","2","5","1") = "4"
    & skf21("2","1","4","2","5","2","6","1") = "5"
    & skf21("2","1","4","2","5","2","7","1") = "6"
    & skf21("2","1","4","2","5","3","1","1") = "4"
    & skf21("2","1","4","2","5","3","2","1") = "4"
    & skf21("2","1","4","2","5","3","3","1") = "4"
    & skf21("2","1","4","2","5","3","4","1") = "4"
    & skf21("2","1","4","2","5","3","5","1") = "4"
    & skf21("2","1","4","2","5","3","6","1") = "5"
    & skf21("2","1","4","2","5","3","7","1") = "6"
    & skf21("2","1","4","2","5","4","1","1") = "4"
    & skf21("2","1","4","2","5","4","2","1") = "4"
    & skf21("2","1","4","2","5","4","3","1") = "4"
    & skf21("2","1","4","2","5","4","4","1") = "4"
    & skf21("2","1","4","2","5","4","5","1") = "4"
    & skf21("2","1","4","2","5","4","6","1") = "5"
    & skf21("2","1","4","2","5","4","7","1") = "6"
    & skf21("2","1","4","2","5","5","1","1") = "4"
    & skf21("2","1","4","2","5","5","2","1") = "4"
    & skf21("2","1","4","2","5","5","3","1") = "4"
    & skf21("2","1","4","2","5","5","4","1") = "4"
    & skf21("2","1","4","2","5","5","5","1") = "4"
    & skf21("2","1","4","2","5","5","6","1") = "5"
    & skf21("2","1","4","2","5","5","7","1") = "6"
    & skf21("2","1","4","2","5","6","1","1") = "5"
    & skf21("2","1","4","2","5","6","2","1") = "5"
    & skf21("2","1","4","2","5","6","3","1") = "5"
    & skf21("2","1","4","2","5","6","4","1") = "5"
    & skf21("2","1","4","2","5","6","5","1") = "5"
    & skf21("2","1","4","2","5","6","6","1") = "5"
    & skf21("2","1","4","2","5","6","7","1") = "6"
    & skf21("2","1","4","2","5","7","1","1") = "6"
    & skf21("2","1","4","2","5","7","2","1") = "6"
    & skf21("2","1","4","2","5","7","3","1") = "6"
    & skf21("2","1","4","2","5","7","4","1") = "6"
    & skf21("2","1","4","2","5","7","5","1") = "6"
    & skf21("2","1","4","2","5","7","6","1") = "6"
    & skf21("2","1","4","2","5","7","7","1") = "6"
    & skf21("2","1","4","2","6","1","1","1") = "5"
    & skf21("2","1","4","2","6","1","2","1") = "5"
    & skf21("2","1","4","2","6","1","3","1") = "5"
    & skf21("2","1","4","2","6","1","4","1") = "5"
    & skf21("2","1","4","2","6","1","5","1") = "5"
    & skf21("2","1","4","2","6","1","6","1") = "5"
    & skf21("2","1","4","2","6","1","7","1") = "6"
    & skf21("2","1","4","2","6","2","1","1") = "5"
    & skf21("2","1","4","2","6","2","2","1") = "5"
    & skf21("2","1","4","2","6","2","3","1") = "5"
    & skf21("2","1","4","2","6","2","4","1") = "5"
    & skf21("2","1","4","2","6","2","5","1") = "5"
    & skf21("2","1","4","2","6","2","6","1") = "5"
    & skf21("2","1","4","2","6","2","7","1") = "6"
    & skf21("2","1","4","2","6","3","1","1") = "5"
    & skf21("2","1","4","2","6","3","2","1") = "5"
    & skf21("2","1","4","2","6","3","3","1") = "5"
    & skf21("2","1","4","2","6","3","4","1") = "5"
    & skf21("2","1","4","2","6","3","5","1") = "5"
    & skf21("2","1","4","2","6","3","6","1") = "5"
    & skf21("2","1","4","2","6","3","7","1") = "6"
    & skf21("2","1","4","2","6","4","1","1") = "5"
    & skf21("2","1","4","2","6","4","2","1") = "5"
    & skf21("2","1","4","2","6","4","3","1") = "5"
    & skf21("2","1","4","2","6","4","4","1") = "5"
    & skf21("2","1","4","2","6","4","5","1") = "5"
    & skf21("2","1","4","2","6","4","6","1") = "5"
    & skf21("2","1","4","2","6","4","7","1") = "6"
    & skf21("2","1","4","2","6","5","1","1") = "5"
    & skf21("2","1","4","2","6","5","2","1") = "5"
    & skf21("2","1","4","2","6","5","3","1") = "5"
    & skf21("2","1","4","2","6","5","4","1") = "5"
    & skf21("2","1","4","2","6","5","5","1") = "5"
    & skf21("2","1","4","2","6","5","6","1") = "5"
    & skf21("2","1","4","2","6","5","7","1") = "6"
    & skf21("2","1","4","2","6","6","1","1") = "5"
    & skf21("2","1","4","2","6","6","2","1") = "5"
    & skf21("2","1","4","2","6","6","3","1") = "5"
    & skf21("2","1","4","2","6","6","4","1") = "5"
    & skf21("2","1","4","2","6","6","5","1") = "5"
    & skf21("2","1","4","2","6","6","6","1") = "5"
    & skf21("2","1","4","2","6","6","7","1") = "6"
    & skf21("2","1","4","2","6","7","1","1") = "6"
    & skf21("2","1","4","2","6","7","2","1") = "6"
    & skf21("2","1","4","2","6","7","3","1") = "6"
    & skf21("2","1","4","2","6","7","4","1") = "6"
    & skf21("2","1","4","2","6","7","5","1") = "6"
    & skf21("2","1","4","2","6","7","6","1") = "6"
    & skf21("2","1","4","2","6","7","7","1") = "6"
    & skf21("2","1","4","2","7","1","1","1") = "6"
    & skf21("2","1","4","2","7","1","2","1") = "6"
    & skf21("2","1","4","2","7","1","3","1") = "6"
    & skf21("2","1","4","2","7","1","4","1") = "6"
    & skf21("2","1","4","2","7","1","5","1") = "6"
    & skf21("2","1","4","2","7","1","6","1") = "6"
    & skf21("2","1","4","2","7","1","7","1") = "6"
    & skf21("2","1","4","2","7","2","1","1") = "6"
    & skf21("2","1","4","2","7","2","2","1") = "6"
    & skf21("2","1","4","2","7","2","3","1") = "6"
    & skf21("2","1","4","2","7","2","4","1") = "6"
    & skf21("2","1","4","2","7","2","5","1") = "6"
    & skf21("2","1","4","2","7","2","6","1") = "6"
    & skf21("2","1","4","2","7","2","7","1") = "6"
    & skf21("2","1","4","2","7","3","1","1") = "6"
    & skf21("2","1","4","2","7","3","2","1") = "6"
    & skf21("2","1","4","2","7","3","3","1") = "6"
    & skf21("2","1","4","2","7","3","4","1") = "6"
    & skf21("2","1","4","2","7","3","5","1") = "6"
    & skf21("2","1","4","2","7","3","6","1") = "6"
    & skf21("2","1","4","2","7","3","7","1") = "6"
    & skf21("2","1","4","2","7","4","1","1") = "6"
    & skf21("2","1","4","2","7","4","2","1") = "6"
    & skf21("2","1","4","2","7","4","3","1") = "6"
    & skf21("2","1","4","2","7","4","4","1") = "6"
    & skf21("2","1","4","2","7","4","5","1") = "6"
    & skf21("2","1","4","2","7","4","6","1") = "6"
    & skf21("2","1","4","2","7","4","7","1") = "6"
    & skf21("2","1","4","2","7","5","1","1") = "6"
    & skf21("2","1","4","2","7","5","2","1") = "6"
    & skf21("2","1","4","2","7","5","3","1") = "6"
    & skf21("2","1","4","2","7","5","4","1") = "6"
    & skf21("2","1","4","2","7","5","5","1") = "6"
    & skf21("2","1","4","2","7","5","6","1") = "6"
    & skf21("2","1","4","2","7","5","7","1") = "6"
    & skf21("2","1","4","2","7","6","1","1") = "6"
    & skf21("2","1","4","2","7","6","2","1") = "6"
    & skf21("2","1","4","2","7","6","3","1") = "6"
    & skf21("2","1","4","2","7","6","4","1") = "6"
    & skf21("2","1","4","2","7","6","5","1") = "6"
    & skf21("2","1","4","2","7","6","6","1") = "6"
    & skf21("2","1","4","2","7","6","7","1") = "6"
    & skf21("2","1","4","2","7","7","1","1") = "6"
    & skf21("2","1","4","2","7","7","2","1") = "6"
    & skf21("2","1","4","2","7","7","3","1") = "6"
    & skf21("2","1","4","2","7","7","4","1") = "6"
    & skf21("2","1","4","2","7","7","5","1") = "6"
    & skf21("2","1","4","2","7","7","6","1") = "6"
    & skf21("2","1","4","2","7","7","7","1") = "6"
    & skf21("2","1","4","3","1","1","1","1") = "3"
    & skf21("2","1","4","3","1","1","2","1") = "3"
    & skf21("2","1","4","3","1","1","3","1") = "3"
    & skf21("2","1","4","3","1","1","4","1") = "3"
    & skf21("2","1","4","3","1","1","5","1") = "4"
    & skf21("2","1","4","3","1","1","6","1") = "5"
    & skf21("2","1","4","3","1","1","7","1") = "6"
    & skf21("2","1","4","3","1","2","1","1") = "3"
    & skf21("2","1","4","3","1","2","2","1") = "3"
    & skf21("2","1","4","3","1","2","3","1") = "3"
    & skf21("2","1","4","3","1","2","4","1") = "3"
    & skf21("2","1","4","3","1","2","5","1") = "4"
    & skf21("2","1","4","3","1","2","6","1") = "5"
    & skf21("2","1","4","3","1","2","7","1") = "6"
    & skf21("2","1","4","3","1","3","1","1") = "3"
    & skf21("2","1","4","3","1","3","2","1") = "3"
    & skf21("2","1","4","3","1","3","3","1") = "3"
    & skf21("2","1","4","3","1","3","4","1") = "3"
    & skf21("2","1","4","3","1","3","5","1") = "4"
    & skf21("2","1","4","3","1","3","6","1") = "5"
    & skf21("2","1","4","3","1","3","7","1") = "6"
    & skf21("2","1","4","3","1","4","1","1") = "3"
    & skf21("2","1","4","3","1","4","2","1") = "3"
    & skf21("2","1","4","3","1","4","3","1") = "3"
    & skf21("2","1","4","3","1","4","4","1") = "3"
    & skf21("2","1","4","3","1","4","5","1") = "4"
    & skf21("2","1","4","3","1","4","6","1") = "5"
    & skf21("2","1","4","3","1","4","7","1") = "6"
    & skf21("2","1","4","3","1","5","1","1") = "4"
    & skf21("2","1","4","3","1","5","2","1") = "4"
    & skf21("2","1","4","3","1","5","3","1") = "4"
    & skf21("2","1","4","3","1","5","4","1") = "4"
    & skf21("2","1","4","3","1","5","5","1") = "4"
    & skf21("2","1","4","3","1","5","6","1") = "5"
    & skf21("2","1","4","3","1","5","7","1") = "6"
    & skf21("2","1","4","3","1","6","1","1") = "5"
    & skf21("2","1","4","3","1","6","2","1") = "5"
    & skf21("2","1","4","3","1","6","3","1") = "5"
    & skf21("2","1","4","3","1","6","4","1") = "5"
    & skf21("2","1","4","3","1","6","5","1") = "5"
    & skf21("2","1","4","3","1","6","6","1") = "5"
    & skf21("2","1","4","3","1","6","7","1") = "6"
    & skf21("2","1","4","3","1","7","1","1") = "6"
    & skf21("2","1","4","3","1","7","2","1") = "6"
    & skf21("2","1","4","3","1","7","3","1") = "6"
    & skf21("2","1","4","3","1","7","4","1") = "6"
    & skf21("2","1","4","3","1","7","5","1") = "6"
    & skf21("2","1","4","3","1","7","6","1") = "6"
    & skf21("2","1","4","3","1","7","7","1") = "6"
    & skf21("2","1","4","3","2","1","1","1") = "3"
    & skf21("2","1","4","3","2","1","2","1") = "3"
    & skf21("2","1","4","3","2","1","3","1") = "3"
    & skf21("2","1","4","3","2","1","4","1") = "3"
    & skf21("2","1","4","3","2","1","5","1") = "4"
    & skf21("2","1","4","3","2","1","6","1") = "5"
    & skf21("2","1","4","3","2","1","7","1") = "6"
    & skf21("2","1","4","3","2","2","1","1") = "3"
    & skf21("2","1","4","3","2","2","2","1") = "3"
    & skf21("2","1","4","3","2","2","3","1") = "3"
    & skf21("2","1","4","3","2","2","4","1") = "3"
    & skf21("2","1","4","3","2","2","5","1") = "4"
    & skf21("2","1","4","3","2","2","6","1") = "5"
    & skf21("2","1","4","3","2","2","7","1") = "6"
    & skf21("2","1","4","3","2","3","1","1") = "3"
    & skf21("2","1","4","3","2","3","2","1") = "3"
    & skf21("2","1","4","3","2","3","3","1") = "3"
    & skf21("2","1","4","3","2","3","4","1") = "3"
    & skf21("2","1","4","3","2","3","5","1") = "4"
    & skf21("2","1","4","3","2","3","6","1") = "5"
    & skf21("2","1","4","3","2","3","7","1") = "6"
    & skf21("2","1","4","3","2","4","1","1") = "3"
    & skf21("2","1","4","3","2","4","2","1") = "3"
    & skf21("2","1","4","3","2","4","3","1") = "3"
    & skf21("2","1","4","3","2","4","4","1") = "3"
    & skf21("2","1","4","3","2","4","5","1") = "4"
    & skf21("2","1","4","3","2","4","6","1") = "5"
    & skf21("2","1","4","3","2","4","7","1") = "6"
    & skf21("2","1","4","3","2","5","1","1") = "4"
    & skf21("2","1","4","3","2","5","2","1") = "4"
    & skf21("2","1","4","3","2","5","3","1") = "4"
    & skf21("2","1","4","3","2","5","4","1") = "4"
    & skf21("2","1","4","3","2","5","5","1") = "4"
    & skf21("2","1","4","3","2","5","6","1") = "5"
    & skf21("2","1","4","3","2","5","7","1") = "6"
    & skf21("2","1","4","3","2","6","1","1") = "5"
    & skf21("2","1","4","3","2","6","2","1") = "5"
    & skf21("2","1","4","3","2","6","3","1") = "5"
    & skf21("2","1","4","3","2","6","4","1") = "5"
    & skf21("2","1","4","3","2","6","5","1") = "5"
    & skf21("2","1","4","3","2","6","6","1") = "5"
    & skf21("2","1","4","3","2","6","7","1") = "6"
    & skf21("2","1","4","3","2","7","1","1") = "6"
    & skf21("2","1","4","3","2","7","2","1") = "6"
    & skf21("2","1","4","3","2","7","3","1") = "6"
    & skf21("2","1","4","3","2","7","4","1") = "6"
    & skf21("2","1","4","3","2","7","5","1") = "6"
    & skf21("2","1","4","3","2","7","6","1") = "6"
    & skf21("2","1","4","3","2","7","7","1") = "6"
    & skf21("2","1","4","3","3","1","1","1") = "3"
    & skf21("2","1","4","3","3","1","2","1") = "3"
    & skf21("2","1","4","3","3","1","3","1") = "3"
    & skf21("2","1","4","3","3","1","4","1") = "3"
    & skf21("2","1","4","3","3","1","5","1") = "4"
    & skf21("2","1","4","3","3","1","6","1") = "5"
    & skf21("2","1","4","3","3","1","7","1") = "6"
    & skf21("2","1","4","3","3","2","1","1") = "3"
    & skf21("2","1","4","3","3","2","2","1") = "3"
    & skf21("2","1","4","3","3","2","3","1") = "3"
    & skf21("2","1","4","3","3","2","4","1") = "3"
    & skf21("2","1","4","3","3","2","5","1") = "4"
    & skf21("2","1","4","3","3","2","6","1") = "5"
    & skf21("2","1","4","3","3","2","7","1") = "6"
    & skf21("2","1","4","3","3","3","1","1") = "3"
    & skf21("2","1","4","3","3","3","2","1") = "3"
    & skf21("2","1","4","3","3","3","3","1") = "3"
    & skf21("2","1","4","3","3","3","4","1") = "3"
    & skf21("2","1","4","3","3","3","5","1") = "4"
    & skf21("2","1","4","3","3","3","6","1") = "5"
    & skf21("2","1","4","3","3","3","7","1") = "6"
    & skf21("2","1","4","3","3","4","1","1") = "3"
    & skf21("2","1","4","3","3","4","2","1") = "3"
    & skf21("2","1","4","3","3","4","3","1") = "3"
    & skf21("2","1","4","3","3","4","4","1") = "3"
    & skf21("2","1","4","3","3","4","5","1") = "4"
    & skf21("2","1","4","3","3","4","6","1") = "5"
    & skf21("2","1","4","3","3","4","7","1") = "6"
    & skf21("2","1","4","3","3","5","1","1") = "4"
    & skf21("2","1","4","3","3","5","2","1") = "4"
    & skf21("2","1","4","3","3","5","3","1") = "4"
    & skf21("2","1","4","3","3","5","4","1") = "4"
    & skf21("2","1","4","3","3","5","5","1") = "4"
    & skf21("2","1","4","3","3","5","6","1") = "5"
    & skf21("2","1","4","3","3","5","7","1") = "6"
    & skf21("2","1","4","3","3","6","1","1") = "5"
    & skf21("2","1","4","3","3","6","2","1") = "5"
    & skf21("2","1","4","3","3","6","3","1") = "5"
    & skf21("2","1","4","3","3","6","4","1") = "5"
    & skf21("2","1","4","3","3","6","5","1") = "5"
    & skf21("2","1","4","3","3","6","6","1") = "5"
    & skf21("2","1","4","3","3","6","7","1") = "6"
    & skf21("2","1","4","3","3","7","1","1") = "6"
    & skf21("2","1","4","3","3","7","2","1") = "6"
    & skf21("2","1","4","3","3","7","3","1") = "6"
    & skf21("2","1","4","3","3","7","4","1") = "6"
    & skf21("2","1","4","3","3","7","5","1") = "6"
    & skf21("2","1","4","3","3","7","6","1") = "6"
    & skf21("2","1","4","3","3","7","7","1") = "6"
    & skf21("2","1","4","3","4","1","1","1") = "3"
    & skf21("2","1","4","3","4","1","2","1") = "3"
    & skf21("2","1","4","3","4","1","3","1") = "3"
    & skf21("2","1","4","3","4","1","4","1") = "3"
    & skf21("2","1","4","3","4","1","5","1") = "4"
    & skf21("2","1","4","3","4","1","6","1") = "5"
    & skf21("2","1","4","3","4","1","7","1") = "6"
    & skf21("2","1","4","3","4","2","1","1") = "3"
    & skf21("2","1","4","3","4","2","2","1") = "3"
    & skf21("2","1","4","3","4","2","3","1") = "3"
    & skf21("2","1","4","3","4","2","4","1") = "3"
    & skf21("2","1","4","3","4","2","5","1") = "4"
    & skf21("2","1","4","3","4","2","6","1") = "5"
    & skf21("2","1","4","3","4","2","7","1") = "6"
    & skf21("2","1","4","3","4","3","1","1") = "3"
    & skf21("2","1","4","3","4","3","2","1") = "3"
    & skf21("2","1","4","3","4","3","3","1") = "3"
    & skf21("2","1","4","3","4","3","4","1") = "3"
    & skf21("2","1","4","3","4","3","5","1") = "4"
    & skf21("2","1","4","3","4","3","6","1") = "5"
    & skf21("2","1","4","3","4","3","7","1") = "6"
    & skf21("2","1","4","3","4","4","1","1") = "3"
    & skf21("2","1","4","3","4","4","2","1") = "3"
    & skf21("2","1","4","3","4","4","3","1") = "3"
    & skf21("2","1","4","3","4","4","4","1") = "3"
    & skf21("2","1","4","3","4","4","5","1") = "4"
    & skf21("2","1","4","3","4","4","6","1") = "5"
    & skf21("2","1","4","3","4","4","7","1") = "6"
    & skf21("2","1","4","3","4","5","1","1") = "4"
    & skf21("2","1","4","3","4","5","2","1") = "4"
    & skf21("2","1","4","3","4","5","3","1") = "4"
    & skf21("2","1","4","3","4","5","4","1") = "4"
    & skf21("2","1","4","3","4","5","5","1") = "4"
    & skf21("2","1","4","3","4","5","6","1") = "5"
    & skf21("2","1","4","3","4","5","7","1") = "6"
    & skf21("2","1","4","3","4","6","1","1") = "5"
    & skf21("2","1","4","3","4","6","2","1") = "5"
    & skf21("2","1","4","3","4","6","3","1") = "5"
    & skf21("2","1","4","3","4","6","4","1") = "5"
    & skf21("2","1","4","3","4","6","5","1") = "5"
    & skf21("2","1","4","3","4","6","6","1") = "5"
    & skf21("2","1","4","3","4","6","7","1") = "6"
    & skf21("2","1","4","3","4","7","1","1") = "6"
    & skf21("2","1","4","3","4","7","2","1") = "6"
    & skf21("2","1","4","3","4","7","3","1") = "6"
    & skf21("2","1","4","3","4","7","4","1") = "6"
    & skf21("2","1","4","3","4","7","5","1") = "6"
    & skf21("2","1","4","3","4","7","6","1") = "6"
    & skf21("2","1","4","3","4","7","7","1") = "6"
    & skf21("2","1","4","3","5","1","1","1") = "4"
    & skf21("2","1","4","3","5","1","2","1") = "4"
    & skf21("2","1","4","3","5","1","3","1") = "4"
    & skf21("2","1","4","3","5","1","4","1") = "4"
    & skf21("2","1","4","3","5","1","5","1") = "4"
    & skf21("2","1","4","3","5","1","6","1") = "5"
    & skf21("2","1","4","3","5","1","7","1") = "6"
    & skf21("2","1","4","3","5","2","1","1") = "4"
    & skf21("2","1","4","3","5","2","2","1") = "4"
    & skf21("2","1","4","3","5","2","3","1") = "4"
    & skf21("2","1","4","3","5","2","4","1") = "4"
    & skf21("2","1","4","3","5","2","5","1") = "4"
    & skf21("2","1","4","3","5","2","6","1") = "5"
    & skf21("2","1","4","3","5","2","7","1") = "6"
    & skf21("2","1","4","3","5","3","1","1") = "4"
    & skf21("2","1","4","3","5","3","2","1") = "4"
    & skf21("2","1","4","3","5","3","3","1") = "4"
    & skf21("2","1","4","3","5","3","4","1") = "4"
    & skf21("2","1","4","3","5","3","5","1") = "4"
    & skf21("2","1","4","3","5","3","6","1") = "5"
    & skf21("2","1","4","3","5","3","7","1") = "6"
    & skf21("2","1","4","3","5","4","1","1") = "4"
    & skf21("2","1","4","3","5","4","2","1") = "4"
    & skf21("2","1","4","3","5","4","3","1") = "4"
    & skf21("2","1","4","3","5","4","4","1") = "4"
    & skf21("2","1","4","3","5","4","5","1") = "4"
    & skf21("2","1","4","3","5","4","6","1") = "5"
    & skf21("2","1","4","3","5","4","7","1") = "6"
    & skf21("2","1","4","3","5","5","1","1") = "4"
    & skf21("2","1","4","3","5","5","2","1") = "4"
    & skf21("2","1","4","3","5","5","3","1") = "4"
    & skf21("2","1","4","3","5","5","4","1") = "4"
    & skf21("2","1","4","3","5","5","5","1") = "4"
    & skf21("2","1","4","3","5","5","6","1") = "5"
    & skf21("2","1","4","3","5","5","7","1") = "6"
    & skf21("2","1","4","3","5","6","1","1") = "5"
    & skf21("2","1","4","3","5","6","2","1") = "5"
    & skf21("2","1","4","3","5","6","3","1") = "5"
    & skf21("2","1","4","3","5","6","4","1") = "5"
    & skf21("2","1","4","3","5","6","5","1") = "5"
    & skf21("2","1","4","3","5","6","6","1") = "5"
    & skf21("2","1","4","3","5","6","7","1") = "6"
    & skf21("2","1","4","3","5","7","1","1") = "6"
    & skf21("2","1","4","3","5","7","2","1") = "6"
    & skf21("2","1","4","3","5","7","3","1") = "6"
    & skf21("2","1","4","3","5","7","4","1") = "6"
    & skf21("2","1","4","3","5","7","5","1") = "6"
    & skf21("2","1","4","3","5","7","6","1") = "6"
    & skf21("2","1","4","3","5","7","7","1") = "6"
    & skf21("2","1","4","3","6","1","1","1") = "5"
    & skf21("2","1","4","3","6","1","2","1") = "5"
    & skf21("2","1","4","3","6","1","3","1") = "5"
    & skf21("2","1","4","3","6","1","4","1") = "5"
    & skf21("2","1","4","3","6","1","5","1") = "5"
    & skf21("2","1","4","3","6","1","6","1") = "5"
    & skf21("2","1","4","3","6","1","7","1") = "6"
    & skf21("2","1","4","3","6","2","1","1") = "5"
    & skf21("2","1","4","3","6","2","2","1") = "5"
    & skf21("2","1","4","3","6","2","3","1") = "5"
    & skf21("2","1","4","3","6","2","4","1") = "5"
    & skf21("2","1","4","3","6","2","5","1") = "5"
    & skf21("2","1","4","3","6","2","6","1") = "5"
    & skf21("2","1","4","3","6","2","7","1") = "6"
    & skf21("2","1","4","3","6","3","1","1") = "5"
    & skf21("2","1","4","3","6","3","2","1") = "5"
    & skf21("2","1","4","3","6","3","3","1") = "5"
    & skf21("2","1","4","3","6","3","4","1") = "5"
    & skf21("2","1","4","3","6","3","5","1") = "5"
    & skf21("2","1","4","3","6","3","6","1") = "5"
    & skf21("2","1","4","3","6","3","7","1") = "6"
    & skf21("2","1","4","3","6","4","1","1") = "5"
    & skf21("2","1","4","3","6","4","2","1") = "5"
    & skf21("2","1","4","3","6","4","3","1") = "5"
    & skf21("2","1","4","3","6","4","4","1") = "5"
    & skf21("2","1","4","3","6","4","5","1") = "5"
    & skf21("2","1","4","3","6","4","6","1") = "5"
    & skf21("2","1","4","3","6","4","7","1") = "6"
    & skf21("2","1","4","3","6","5","1","1") = "5"
    & skf21("2","1","4","3","6","5","2","1") = "5"
    & skf21("2","1","4","3","6","5","3","1") = "5"
    & skf21("2","1","4","3","6","5","4","1") = "5"
    & skf21("2","1","4","3","6","5","5","1") = "5"
    & skf21("2","1","4","3","6","5","6","1") = "5"
    & skf21("2","1","4","3","6","5","7","1") = "6"
    & skf21("2","1","4","3","6","6","1","1") = "5"
    & skf21("2","1","4","3","6","6","2","1") = "5"
    & skf21("2","1","4","3","6","6","3","1") = "5"
    & skf21("2","1","4","3","6","6","4","1") = "5"
    & skf21("2","1","4","3","6","6","5","1") = "5"
    & skf21("2","1","4","3","6","6","6","1") = "5"
    & skf21("2","1","4","3","6","6","7","1") = "6"
    & skf21("2","1","4","3","6","7","1","1") = "6"
    & skf21("2","1","4","3","6","7","2","1") = "6"
    & skf21("2","1","4","3","6","7","3","1") = "6"
    & skf21("2","1","4","3","6","7","4","1") = "6"
    & skf21("2","1","4","3","6","7","5","1") = "6"
    & skf21("2","1","4","3","6","7","6","1") = "6"
    & skf21("2","1","4","3","6","7","7","1") = "6"
    & skf21("2","1","4","3","7","1","1","1") = "6"
    & skf21("2","1","4","3","7","1","2","1") = "6"
    & skf21("2","1","4","3","7","1","3","1") = "6"
    & skf21("2","1","4","3","7","1","4","1") = "6"
    & skf21("2","1","4","3","7","1","5","1") = "6"
    & skf21("2","1","4","3","7","1","6","1") = "6"
    & skf21("2","1","4","3","7","1","7","1") = "6"
    & skf21("2","1","4","3","7","2","1","1") = "6"
    & skf21("2","1","4","3","7","2","2","1") = "6"
    & skf21("2","1","4","3","7","2","3","1") = "6"
    & skf21("2","1","4","3","7","2","4","1") = "6"
    & skf21("2","1","4","3","7","2","5","1") = "6"
    & skf21("2","1","4","3","7","2","6","1") = "6"
    & skf21("2","1","4","3","7","2","7","1") = "6"
    & skf21("2","1","4","3","7","3","1","1") = "6"
    & skf21("2","1","4","3","7","3","2","1") = "6"
    & skf21("2","1","4","3","7","3","3","1") = "6"
    & skf21("2","1","4","3","7","3","4","1") = "6"
    & skf21("2","1","4","3","7","3","5","1") = "6"
    & skf21("2","1","4","3","7","3","6","1") = "6"
    & skf21("2","1","4","3","7","3","7","1") = "6"
    & skf21("2","1","4","3","7","4","1","1") = "6"
    & skf21("2","1","4","3","7","4","2","1") = "6"
    & skf21("2","1","4","3","7","4","3","1") = "6"
    & skf21("2","1","4","3","7","4","4","1") = "6"
    & skf21("2","1","4","3","7","4","5","1") = "6"
    & skf21("2","1","4","3","7","4","6","1") = "6"
    & skf21("2","1","4","3","7","4","7","1") = "6"
    & skf21("2","1","4","3","7","5","1","1") = "6"
    & skf21("2","1","4","3","7","5","2","1") = "6"
    & skf21("2","1","4","3","7","5","3","1") = "6"
    & skf21("2","1","4","3","7","5","4","1") = "6"
    & skf21("2","1","4","3","7","5","5","1") = "6"
    & skf21("2","1","4","3","7","5","6","1") = "6"
    & skf21("2","1","4","3","7","5","7","1") = "6"
    & skf21("2","1","4","3","7","6","1","1") = "6"
    & skf21("2","1","4","3","7","6","2","1") = "6"
    & skf21("2","1","4","3","7","6","3","1") = "6"
    & skf21("2","1","4","3","7","6","4","1") = "6"
    & skf21("2","1","4","3","7","6","5","1") = "6"
    & skf21("2","1","4","3","7","6","6","1") = "6"
    & skf21("2","1","4","3","7","6","7","1") = "6"
    & skf21("2","1","4","3","7","7","1","1") = "6"
    & skf21("2","1","4","3","7","7","2","1") = "6"
    & skf21("2","1","4","3","7","7","3","1") = "6"
    & skf21("2","1","4","3","7","7","4","1") = "6"
    & skf21("2","1","4","3","7","7","5","1") = "6"
    & skf21("2","1","4","3","7","7","6","1") = "6"
    & skf21("2","1","4","3","7","7","7","1") = "6"
    & skf21("2","1","4","4","1","1","1","1") = "3"
    & skf21("2","1","4","4","1","1","2","1") = "3"
    & skf21("2","1","4","4","1","1","3","1") = "3"
    & skf21("2","1","4","4","1","1","4","1") = "3"
    & skf21("2","1","4","4","1","1","5","1") = "4"
    & skf21("2","1","4","4","1","1","6","1") = "5"
    & skf21("2","1","4","4","1","1","7","1") = "6"
    & skf21("2","1","4","4","1","2","1","1") = "3"
    & skf21("2","1","4","4","1","2","2","1") = "3"
    & skf21("2","1","4","4","1","2","3","1") = "3"
    & skf21("2","1","4","4","1","2","4","1") = "3"
    & skf21("2","1","4","4","1","2","5","1") = "4"
    & skf21("2","1","4","4","1","2","6","1") = "5"
    & skf21("2","1","4","4","1","2","7","1") = "6"
    & skf21("2","1","4","4","1","3","1","1") = "3"
    & skf21("2","1","4","4","1","3","2","1") = "3"
    & skf21("2","1","4","4","1","3","3","1") = "3"
    & skf21("2","1","4","4","1","3","4","1") = "3"
    & skf21("2","1","4","4","1","3","5","1") = "4"
    & skf21("2","1","4","4","1","3","6","1") = "5"
    & skf21("2","1","4","4","1","3","7","1") = "6"
    & skf21("2","1","4","4","1","4","1","1") = "3"
    & skf21("2","1","4","4","1","4","2","1") = "3"
    & skf21("2","1","4","4","1","4","3","1") = "3"
    & skf21("2","1","4","4","1","4","4","1") = "3"
    & skf21("2","1","4","4","1","4","5","1") = "4"
    & skf21("2","1","4","4","1","4","6","1") = "5"
    & skf21("2","1","4","4","1","4","7","1") = "6"
    & skf21("2","1","4","4","1","5","1","1") = "4"
    & skf21("2","1","4","4","1","5","2","1") = "4"
    & skf21("2","1","4","4","1","5","3","1") = "4"
    & skf21("2","1","4","4","1","5","4","1") = "4"
    & skf21("2","1","4","4","1","5","5","1") = "4"
    & skf21("2","1","4","4","1","5","6","1") = "5"
    & skf21("2","1","4","4","1","5","7","1") = "6"
    & skf21("2","1","4","4","1","6","1","1") = "5"
    & skf21("2","1","4","4","1","6","2","1") = "5"
    & skf21("2","1","4","4","1","6","3","1") = "5"
    & skf21("2","1","4","4","1","6","4","1") = "5"
    & skf21("2","1","4","4","1","6","5","1") = "5"
    & skf21("2","1","4","4","1","6","6","1") = "5"
    & skf21("2","1","4","4","1","6","7","1") = "6"
    & skf21("2","1","4","4","1","7","1","1") = "6"
    & skf21("2","1","4","4","1","7","2","1") = "6"
    & skf21("2","1","4","4","1","7","3","1") = "6"
    & skf21("2","1","4","4","1","7","4","1") = "6"
    & skf21("2","1","4","4","1","7","5","1") = "6"
    & skf21("2","1","4","4","1","7","6","1") = "6"
    & skf21("2","1","4","4","1","7","7","1") = "6"
    & skf21("2","1","4","4","2","1","1","1") = "3"
    & skf21("2","1","4","4","2","1","2","1") = "3"
    & skf21("2","1","4","4","2","1","3","1") = "3"
    & skf21("2","1","4","4","2","1","4","1") = "3"
    & skf21("2","1","4","4","2","1","5","1") = "4"
    & skf21("2","1","4","4","2","1","6","1") = "5"
    & skf21("2","1","4","4","2","1","7","1") = "6"
    & skf21("2","1","4","4","2","2","1","1") = "3"
    & skf21("2","1","4","4","2","2","2","1") = "3"
    & skf21("2","1","4","4","2","2","3","1") = "3"
    & skf21("2","1","4","4","2","2","4","1") = "3"
    & skf21("2","1","4","4","2","2","5","1") = "4"
    & skf21("2","1","4","4","2","2","6","1") = "5"
    & skf21("2","1","4","4","2","2","7","1") = "6"
    & skf21("2","1","4","4","2","3","1","1") = "3"
    & skf21("2","1","4","4","2","3","2","1") = "3"
    & skf21("2","1","4","4","2","3","3","1") = "3"
    & skf21("2","1","4","4","2","3","4","1") = "3"
    & skf21("2","1","4","4","2","3","5","1") = "4"
    & skf21("2","1","4","4","2","3","6","1") = "5"
    & skf21("2","1","4","4","2","3","7","1") = "6"
    & skf21("2","1","4","4","2","4","1","1") = "3"
    & skf21("2","1","4","4","2","4","2","1") = "3"
    & skf21("2","1","4","4","2","4","3","1") = "3"
    & skf21("2","1","4","4","2","4","4","1") = "3"
    & skf21("2","1","4","4","2","4","5","1") = "4"
    & skf21("2","1","4","4","2","4","6","1") = "5"
    & skf21("2","1","4","4","2","4","7","1") = "6"
    & skf21("2","1","4","4","2","5","1","1") = "4"
    & skf21("2","1","4","4","2","5","2","1") = "4"
    & skf21("2","1","4","4","2","5","3","1") = "4"
    & skf21("2","1","4","4","2","5","4","1") = "4"
    & skf21("2","1","4","4","2","5","5","1") = "4"
    & skf21("2","1","4","4","2","5","6","1") = "5"
    & skf21("2","1","4","4","2","5","7","1") = "6"
    & skf21("2","1","4","4","2","6","1","1") = "5"
    & skf21("2","1","4","4","2","6","2","1") = "5"
    & skf21("2","1","4","4","2","6","3","1") = "5"
    & skf21("2","1","4","4","2","6","4","1") = "5"
    & skf21("2","1","4","4","2","6","5","1") = "5"
    & skf21("2","1","4","4","2","6","6","1") = "5"
    & skf21("2","1","4","4","2","6","7","1") = "6"
    & skf21("2","1","4","4","2","7","1","1") = "6"
    & skf21("2","1","4","4","2","7","2","1") = "6"
    & skf21("2","1","4","4","2","7","3","1") = "6"
    & skf21("2","1","4","4","2","7","4","1") = "6"
    & skf21("2","1","4","4","2","7","5","1") = "6"
    & skf21("2","1","4","4","2","7","6","1") = "6"
    & skf21("2","1","4","4","2","7","7","1") = "6"
    & skf21("2","1","4","4","3","1","1","1") = "3"
    & skf21("2","1","4","4","3","1","2","1") = "3"
    & skf21("2","1","4","4","3","1","3","1") = "3"
    & skf21("2","1","4","4","3","1","4","1") = "3"
    & skf21("2","1","4","4","3","1","5","1") = "4"
    & skf21("2","1","4","4","3","1","6","1") = "5"
    & skf21("2","1","4","4","3","1","7","1") = "6"
    & skf21("2","1","4","4","3","2","1","1") = "3"
    & skf21("2","1","4","4","3","2","2","1") = "3"
    & skf21("2","1","4","4","3","2","3","1") = "3"
    & skf21("2","1","4","4","3","2","4","1") = "3"
    & skf21("2","1","4","4","3","2","5","1") = "4"
    & skf21("2","1","4","4","3","2","6","1") = "5"
    & skf21("2","1","4","4","3","2","7","1") = "6"
    & skf21("2","1","4","4","3","3","1","1") = "3"
    & skf21("2","1","4","4","3","3","2","1") = "3"
    & skf21("2","1","4","4","3","3","3","1") = "3"
    & skf21("2","1","4","4","3","3","4","1") = "3"
    & skf21("2","1","4","4","3","3","5","1") = "4"
    & skf21("2","1","4","4","3","3","6","1") = "5"
    & skf21("2","1","4","4","3","3","7","1") = "6"
    & skf21("2","1","4","4","3","4","1","1") = "3"
    & skf21("2","1","4","4","3","4","2","1") = "3"
    & skf21("2","1","4","4","3","4","3","1") = "3"
    & skf21("2","1","4","4","3","4","4","1") = "3"
    & skf21("2","1","4","4","3","4","5","1") = "4"
    & skf21("2","1","4","4","3","4","6","1") = "5"
    & skf21("2","1","4","4","3","4","7","1") = "6"
    & skf21("2","1","4","4","3","5","1","1") = "4"
    & skf21("2","1","4","4","3","5","2","1") = "4"
    & skf21("2","1","4","4","3","5","3","1") = "4"
    & skf21("2","1","4","4","3","5","4","1") = "4"
    & skf21("2","1","4","4","3","5","5","1") = "4"
    & skf21("2","1","4","4","3","5","6","1") = "5"
    & skf21("2","1","4","4","3","5","7","1") = "6"
    & skf21("2","1","4","4","3","6","1","1") = "5"
    & skf21("2","1","4","4","3","6","2","1") = "5"
    & skf21("2","1","4","4","3","6","3","1") = "5"
    & skf21("2","1","4","4","3","6","4","1") = "5"
    & skf21("2","1","4","4","3","6","5","1") = "5"
    & skf21("2","1","4","4","3","6","6","1") = "5"
    & skf21("2","1","4","4","3","6","7","1") = "6"
    & skf21("2","1","4","4","3","7","1","1") = "6"
    & skf21("2","1","4","4","3","7","2","1") = "6"
    & skf21("2","1","4","4","3","7","3","1") = "6"
    & skf21("2","1","4","4","3","7","4","1") = "6"
    & skf21("2","1","4","4","3","7","5","1") = "6"
    & skf21("2","1","4","4","3","7","6","1") = "6"
    & skf21("2","1","4","4","3","7","7","1") = "6"
    & skf21("2","1","4","4","4","1","1","1") = "3"
    & skf21("2","1","4","4","4","1","2","1") = "3"
    & skf21("2","1","4","4","4","1","3","1") = "3"
    & skf21("2","1","4","4","4","1","4","1") = "3"
    & skf21("2","1","4","4","4","1","5","1") = "4"
    & skf21("2","1","4","4","4","1","6","1") = "5"
    & skf21("2","1","4","4","4","1","7","1") = "6"
    & skf21("2","1","4","4","4","2","1","1") = "3"
    & skf21("2","1","4","4","4","2","2","1") = "3"
    & skf21("2","1","4","4","4","2","3","1") = "3"
    & skf21("2","1","4","4","4","2","4","1") = "3"
    & skf21("2","1","4","4","4","2","5","1") = "4"
    & skf21("2","1","4","4","4","2","6","1") = "5"
    & skf21("2","1","4","4","4","2","7","1") = "6"
    & skf21("2","1","4","4","4","3","1","1") = "3"
    & skf21("2","1","4","4","4","3","2","1") = "3"
    & skf21("2","1","4","4","4","3","3","1") = "3"
    & skf21("2","1","4","4","4","3","4","1") = "3"
    & skf21("2","1","4","4","4","3","5","1") = "4"
    & skf21("2","1","4","4","4","3","6","1") = "5"
    & skf21("2","1","4","4","4","3","7","1") = "6"
    & skf21("2","1","4","4","4","4","1","1") = "3"
    & skf21("2","1","4","4","4","4","2","1") = "3"
    & skf21("2","1","4","4","4","4","3","1") = "3"
    & skf21("2","1","4","4","4","4","4","1") = "3"
    & skf21("2","1","4","4","4","4","5","1") = "4"
    & skf21("2","1","4","4","4","4","6","1") = "5"
    & skf21("2","1","4","4","4","4","7","1") = "6"
    & skf21("2","1","4","4","4","5","1","1") = "4"
    & skf21("2","1","4","4","4","5","2","1") = "4"
    & skf21("2","1","4","4","4","5","3","1") = "4"
    & skf21("2","1","4","4","4","5","4","1") = "4"
    & skf21("2","1","4","4","4","5","5","1") = "4"
    & skf21("2","1","4","4","4","5","6","1") = "5"
    & skf21("2","1","4","4","4","5","7","1") = "6"
    & skf21("2","1","4","4","4","6","1","1") = "5"
    & skf21("2","1","4","4","4","6","2","1") = "5"
    & skf21("2","1","4","4","4","6","3","1") = "5"
    & skf21("2","1","4","4","4","6","4","1") = "5"
    & skf21("2","1","4","4","4","6","5","1") = "5"
    & skf21("2","1","4","4","4","6","6","1") = "5"
    & skf21("2","1","4","4","4","6","7","1") = "6"
    & skf21("2","1","4","4","4","7","1","1") = "6"
    & skf21("2","1","4","4","4","7","2","1") = "6"
    & skf21("2","1","4","4","4","7","3","1") = "6"
    & skf21("2","1","4","4","4","7","4","1") = "6"
    & skf21("2","1","4","4","4","7","5","1") = "6"
    & skf21("2","1","4","4","4","7","6","1") = "6"
    & skf21("2","1","4","4","4","7","7","1") = "6"
    & skf21("2","1","4","4","5","1","1","1") = "4"
    & skf21("2","1","4","4","5","1","2","1") = "4"
    & skf21("2","1","4","4","5","1","3","1") = "4"
    & skf21("2","1","4","4","5","1","4","1") = "4"
    & skf21("2","1","4","4","5","1","5","1") = "4"
    & skf21("2","1","4","4","5","1","6","1") = "5"
    & skf21("2","1","4","4","5","1","7","1") = "6"
    & skf21("2","1","4","4","5","2","1","1") = "4"
    & skf21("2","1","4","4","5","2","2","1") = "4"
    & skf21("2","1","4","4","5","2","3","1") = "4"
    & skf21("2","1","4","4","5","2","4","1") = "4"
    & skf21("2","1","4","4","5","2","5","1") = "4"
    & skf21("2","1","4","4","5","2","6","1") = "5"
    & skf21("2","1","4","4","5","2","7","1") = "6"
    & skf21("2","1","4","4","5","3","1","1") = "4"
    & skf21("2","1","4","4","5","3","2","1") = "4"
    & skf21("2","1","4","4","5","3","3","1") = "4"
    & skf21("2","1","4","4","5","3","4","1") = "4"
    & skf21("2","1","4","4","5","3","5","1") = "4"
    & skf21("2","1","4","4","5","3","6","1") = "5"
    & skf21("2","1","4","4","5","3","7","1") = "6"
    & skf21("2","1","4","4","5","4","1","1") = "4"
    & skf21("2","1","4","4","5","4","2","1") = "4"
    & skf21("2","1","4","4","5","4","3","1") = "4"
    & skf21("2","1","4","4","5","4","4","1") = "4"
    & skf21("2","1","4","4","5","4","5","1") = "4"
    & skf21("2","1","4","4","5","4","6","1") = "5"
    & skf21("2","1","4","4","5","4","7","1") = "6"
    & skf21("2","1","4","4","5","5","1","1") = "4"
    & skf21("2","1","4","4","5","5","2","1") = "4"
    & skf21("2","1","4","4","5","5","3","1") = "4"
    & skf21("2","1","4","4","5","5","4","1") = "4"
    & skf21("2","1","4","4","5","5","5","1") = "4"
    & skf21("2","1","4","4","5","5","6","1") = "5"
    & skf21("2","1","4","4","5","5","7","1") = "6"
    & skf21("2","1","4","4","5","6","1","1") = "5"
    & skf21("2","1","4","4","5","6","2","1") = "5"
    & skf21("2","1","4","4","5","6","3","1") = "5"
    & skf21("2","1","4","4","5","6","4","1") = "5"
    & skf21("2","1","4","4","5","6","5","1") = "5"
    & skf21("2","1","4","4","5","6","6","1") = "5"
    & skf21("2","1","4","4","5","6","7","1") = "6"
    & skf21("2","1","4","4","5","7","1","1") = "6"
    & skf21("2","1","4","4","5","7","2","1") = "6"
    & skf21("2","1","4","4","5","7","3","1") = "6"
    & skf21("2","1","4","4","5","7","4","1") = "6"
    & skf21("2","1","4","4","5","7","5","1") = "6"
    & skf21("2","1","4","4","5","7","6","1") = "6"
    & skf21("2","1","4","4","5","7","7","1") = "6"
    & skf21("2","1","4","4","6","1","1","1") = "5"
    & skf21("2","1","4","4","6","1","2","1") = "5"
    & skf21("2","1","4","4","6","1","3","1") = "5"
    & skf21("2","1","4","4","6","1","4","1") = "5"
    & skf21("2","1","4","4","6","1","5","1") = "5"
    & skf21("2","1","4","4","6","1","6","1") = "5"
    & skf21("2","1","4","4","6","1","7","1") = "6"
    & skf21("2","1","4","4","6","2","1","1") = "5"
    & skf21("2","1","4","4","6","2","2","1") = "5"
    & skf21("2","1","4","4","6","2","3","1") = "5"
    & skf21("2","1","4","4","6","2","4","1") = "5"
    & skf21("2","1","4","4","6","2","5","1") = "5"
    & skf21("2","1","4","4","6","2","6","1") = "5"
    & skf21("2","1","4","4","6","2","7","1") = "6"
    & skf21("2","1","4","4","6","3","1","1") = "5"
    & skf21("2","1","4","4","6","3","2","1") = "5"
    & skf21("2","1","4","4","6","3","3","1") = "5"
    & skf21("2","1","4","4","6","3","4","1") = "5"
    & skf21("2","1","4","4","6","3","5","1") = "5"
    & skf21("2","1","4","4","6","3","6","1") = "5"
    & skf21("2","1","4","4","6","3","7","1") = "6"
    & skf21("2","1","4","4","6","4","1","1") = "5"
    & skf21("2","1","4","4","6","4","2","1") = "5"
    & skf21("2","1","4","4","6","4","3","1") = "5"
    & skf21("2","1","4","4","6","4","4","1") = "5"
    & skf21("2","1","4","4","6","4","5","1") = "5"
    & skf21("2","1","4","4","6","4","6","1") = "5"
    & skf21("2","1","4","4","6","4","7","1") = "6"
    & skf21("2","1","4","4","6","5","1","1") = "5"
    & skf21("2","1","4","4","6","5","2","1") = "5"
    & skf21("2","1","4","4","6","5","3","1") = "5"
    & skf21("2","1","4","4","6","5","4","1") = "5"
    & skf21("2","1","4","4","6","5","5","1") = "5"
    & skf21("2","1","4","4","6","5","6","1") = "5"
    & skf21("2","1","4","4","6","5","7","1") = "6"
    & skf21("2","1","4","4","6","6","1","1") = "5"
    & skf21("2","1","4","4","6","6","2","1") = "5"
    & skf21("2","1","4","4","6","6","3","1") = "5"
    & skf21("2","1","4","4","6","6","4","1") = "5"
    & skf21("2","1","4","4","6","6","5","1") = "5"
    & skf21("2","1","4","4","6","6","6","1") = "5"
    & skf21("2","1","4","4","6","6","7","1") = "6"
    & skf21("2","1","4","4","6","7","1","1") = "6"
    & skf21("2","1","4","4","6","7","2","1") = "6"
    & skf21("2","1","4","4","6","7","3","1") = "6"
    & skf21("2","1","4","4","6","7","4","1") = "6"
    & skf21("2","1","4","4","6","7","5","1") = "6"
    & skf21("2","1","4","4","6","7","6","1") = "6"
    & skf21("2","1","4","4","6","7","7","1") = "6"
    & skf21("2","1","4","4","7","1","1","1") = "6"
    & skf21("2","1","4","4","7","1","2","1") = "6"
    & skf21("2","1","4","4","7","1","3","1") = "6"
    & skf21("2","1","4","4","7","1","4","1") = "6"
    & skf21("2","1","4","4","7","1","5","1") = "6"
    & skf21("2","1","4","4","7","1","6","1") = "6"
    & skf21("2","1","4","4","7","1","7","1") = "6"
    & skf21("2","1","4","4","7","2","1","1") = "6"
    & skf21("2","1","4","4","7","2","2","1") = "6"
    & skf21("2","1","4","4","7","2","3","1") = "6"
    & skf21("2","1","4","4","7","2","4","1") = "6"
    & skf21("2","1","4","4","7","2","5","1") = "6"
    & skf21("2","1","4","4","7","2","6","1") = "6"
    & skf21("2","1","4","4","7","2","7","1") = "6"
    & skf21("2","1","4","4","7","3","1","1") = "6"
    & skf21("2","1","4","4","7","3","2","1") = "6"
    & skf21("2","1","4","4","7","3","3","1") = "6"
    & skf21("2","1","4","4","7","3","4","1") = "6"
    & skf21("2","1","4","4","7","3","5","1") = "6"
    & skf21("2","1","4","4","7","3","6","1") = "6"
    & skf21("2","1","4","4","7","3","7","1") = "6"
    & skf21("2","1","4","4","7","4","1","1") = "6"
    & skf21("2","1","4","4","7","4","2","1") = "6"
    & skf21("2","1","4","4","7","4","3","1") = "6"
    & skf21("2","1","4","4","7","4","4","1") = "6"
    & skf21("2","1","4","4","7","4","5","1") = "6"
    & skf21("2","1","4","4","7","4","6","1") = "6"
    & skf21("2","1","4","4","7","4","7","1") = "6"
    & skf21("2","1","4","4","7","5","1","1") = "6"
    & skf21("2","1","4","4","7","5","2","1") = "6"
    & skf21("2","1","4","4","7","5","3","1") = "6"
    & skf21("2","1","4","4","7","5","4","1") = "6"
    & skf21("2","1","4","4","7","5","5","1") = "6"
    & skf21("2","1","4","4","7","5","6","1") = "6"
    & skf21("2","1","4","4","7","5","7","1") = "6"
    & skf21("2","1","4","4","7","6","1","1") = "6"
    & skf21("2","1","4","4","7","6","2","1") = "6"
    & skf21("2","1","4","4","7","6","3","1") = "6"
    & skf21("2","1","4","4","7","6","4","1") = "6"
    & skf21("2","1","4","4","7","6","5","1") = "6"
    & skf21("2","1","4","4","7","6","6","1") = "6"
    & skf21("2","1","4","4","7","6","7","1") = "6"
    & skf21("2","1","4","4","7","7","1","1") = "6"
    & skf21("2","1","4","4","7","7","2","1") = "6"
    & skf21("2","1","4","4","7","7","3","1") = "6"
    & skf21("2","1","4","4","7","7","4","1") = "6"
    & skf21("2","1","4","4","7","7","5","1") = "6"
    & skf21("2","1","4","4","7","7","6","1") = "6"
    & skf21("2","1","4","4","7","7","7","1") = "6"
    & skf21("2","1","4","5","1","1","1","1") = "4"
    & skf21("2","1","4","5","1","1","2","1") = "4"
    & skf21("2","1","4","5","1","1","3","1") = "4"
    & skf21("2","1","4","5","1","1","4","1") = "4"
    & skf21("2","1","4","5","1","1","5","1") = "4"
    & skf21("2","1","4","5","1","1","6","1") = "5"
    & skf21("2","1","4","5","1","1","7","1") = "6"
    & skf21("2","1","4","5","1","2","1","1") = "4"
    & skf21("2","1","4","5","1","2","2","1") = "4"
    & skf21("2","1","4","5","1","2","3","1") = "4"
    & skf21("2","1","4","5","1","2","4","1") = "4"
    & skf21("2","1","4","5","1","2","5","1") = "4"
    & skf21("2","1","4","5","1","2","6","1") = "5"
    & skf21("2","1","4","5","1","2","7","1") = "6"
    & skf21("2","1","4","5","1","3","1","1") = "4"
    & skf21("2","1","4","5","1","3","2","1") = "4"
    & skf21("2","1","4","5","1","3","3","1") = "4"
    & skf21("2","1","4","5","1","3","4","1") = "4"
    & skf21("2","1","4","5","1","3","5","1") = "4"
    & skf21("2","1","4","5","1","3","6","1") = "5"
    & skf21("2","1","4","5","1","3","7","1") = "6"
    & skf21("2","1","4","5","1","4","1","1") = "4"
    & skf21("2","1","4","5","1","4","2","1") = "4"
    & skf21("2","1","4","5","1","4","3","1") = "4"
    & skf21("2","1","4","5","1","4","4","1") = "4"
    & skf21("2","1","4","5","1","4","5","1") = "4"
    & skf21("2","1","4","5","1","4","6","1") = "5"
    & skf21("2","1","4","5","1","4","7","1") = "6"
    & skf21("2","1","4","5","1","5","1","1") = "4"
    & skf21("2","1","4","5","1","5","2","1") = "4"
    & skf21("2","1","4","5","1","5","3","1") = "4"
    & skf21("2","1","4","5","1","5","4","1") = "4"
    & skf21("2","1","4","5","1","5","5","1") = "4"
    & skf21("2","1","4","5","1","5","6","1") = "5"
    & skf21("2","1","4","5","1","5","7","1") = "6"
    & skf21("2","1","4","5","1","6","1","1") = "5"
    & skf21("2","1","4","5","1","6","2","1") = "5"
    & skf21("2","1","4","5","1","6","3","1") = "5"
    & skf21("2","1","4","5","1","6","4","1") = "5"
    & skf21("2","1","4","5","1","6","5","1") = "5"
    & skf21("2","1","4","5","1","6","6","1") = "5"
    & skf21("2","1","4","5","1","6","7","1") = "6"
    & skf21("2","1","4","5","1","7","1","1") = "6"
    & skf21("2","1","4","5","1","7","2","1") = "6"
    & skf21("2","1","4","5","1","7","3","1") = "6"
    & skf21("2","1","4","5","1","7","4","1") = "6"
    & skf21("2","1","4","5","1","7","5","1") = "6"
    & skf21("2","1","4","5","1","7","6","1") = "6"
    & skf21("2","1","4","5","1","7","7","1") = "6"
    & skf21("2","1","4","5","2","1","1","1") = "4"
    & skf21("2","1","4","5","2","1","2","1") = "4"
    & skf21("2","1","4","5","2","1","3","1") = "4"
    & skf21("2","1","4","5","2","1","4","1") = "4"
    & skf21("2","1","4","5","2","1","5","1") = "4"
    & skf21("2","1","4","5","2","1","6","1") = "5"
    & skf21("2","1","4","5","2","1","7","1") = "6"
    & skf21("2","1","4","5","2","2","1","1") = "4"
    & skf21("2","1","4","5","2","2","2","1") = "4"
    & skf21("2","1","4","5","2","2","3","1") = "4"
    & skf21("2","1","4","5","2","2","4","1") = "4"
    & skf21("2","1","4","5","2","2","5","1") = "4"
    & skf21("2","1","4","5","2","2","6","1") = "5"
    & skf21("2","1","4","5","2","2","7","1") = "6"
    & skf21("2","1","4","5","2","3","1","1") = "4"
    & skf21("2","1","4","5","2","3","2","1") = "4"
    & skf21("2","1","4","5","2","3","3","1") = "4"
    & skf21("2","1","4","5","2","3","4","1") = "4"
    & skf21("2","1","4","5","2","3","5","1") = "4"
    & skf21("2","1","4","5","2","3","6","1") = "5"
    & skf21("2","1","4","5","2","3","7","1") = "6"
    & skf21("2","1","4","5","2","4","1","1") = "4"
    & skf21("2","1","4","5","2","4","2","1") = "4"
    & skf21("2","1","4","5","2","4","3","1") = "4"
    & skf21("2","1","4","5","2","4","4","1") = "4"
    & skf21("2","1","4","5","2","4","5","1") = "4"
    & skf21("2","1","4","5","2","4","6","1") = "5"
    & skf21("2","1","4","5","2","4","7","1") = "6"
    & skf21("2","1","4","5","2","5","1","1") = "4"
    & skf21("2","1","4","5","2","5","2","1") = "4"
    & skf21("2","1","4","5","2","5","3","1") = "4"
    & skf21("2","1","4","5","2","5","4","1") = "4"
    & skf21("2","1","4","5","2","5","5","1") = "4"
    & skf21("2","1","4","5","2","5","6","1") = "5"
    & skf21("2","1","4","5","2","5","7","1") = "6"
    & skf21("2","1","4","5","2","6","1","1") = "5"
    & skf21("2","1","4","5","2","6","2","1") = "5"
    & skf21("2","1","4","5","2","6","3","1") = "5"
    & skf21("2","1","4","5","2","6","4","1") = "5"
    & skf21("2","1","4","5","2","6","5","1") = "5"
    & skf21("2","1","4","5","2","6","6","1") = "5"
    & skf21("2","1","4","5","2","6","7","1") = "6"
    & skf21("2","1","4","5","2","7","1","1") = "6"
    & skf21("2","1","4","5","2","7","2","1") = "6"
    & skf21("2","1","4","5","2","7","3","1") = "6"
    & skf21("2","1","4","5","2","7","4","1") = "6"
    & skf21("2","1","4","5","2","7","5","1") = "6"
    & skf21("2","1","4","5","2","7","6","1") = "6"
    & skf21("2","1","4","5","2","7","7","1") = "6"
    & skf21("2","1","4","5","3","1","1","1") = "4"
    & skf21("2","1","4","5","3","1","2","1") = "4"
    & skf21("2","1","4","5","3","1","3","1") = "4"
    & skf21("2","1","4","5","3","1","4","1") = "4"
    & skf21("2","1","4","5","3","1","5","1") = "4"
    & skf21("2","1","4","5","3","1","6","1") = "5"
    & skf21("2","1","4","5","3","1","7","1") = "6"
    & skf21("2","1","4","5","3","2","1","1") = "4"
    & skf21("2","1","4","5","3","2","2","1") = "4"
    & skf21("2","1","4","5","3","2","3","1") = "4"
    & skf21("2","1","4","5","3","2","4","1") = "4"
    & skf21("2","1","4","5","3","2","5","1") = "4"
    & skf21("2","1","4","5","3","2","6","1") = "5"
    & skf21("2","1","4","5","3","2","7","1") = "6"
    & skf21("2","1","4","5","3","3","1","1") = "4"
    & skf21("2","1","4","5","3","3","2","1") = "4"
    & skf21("2","1","4","5","3","3","3","1") = "4"
    & skf21("2","1","4","5","3","3","4","1") = "4"
    & skf21("2","1","4","5","3","3","5","1") = "4"
    & skf21("2","1","4","5","3","3","6","1") = "5"
    & skf21("2","1","4","5","3","3","7","1") = "6"
    & skf21("2","1","4","5","3","4","1","1") = "4"
    & skf21("2","1","4","5","3","4","2","1") = "4"
    & skf21("2","1","4","5","3","4","3","1") = "4"
    & skf21("2","1","4","5","3","4","4","1") = "4"
    & skf21("2","1","4","5","3","4","5","1") = "4"
    & skf21("2","1","4","5","3","4","6","1") = "5"
    & skf21("2","1","4","5","3","4","7","1") = "6"
    & skf21("2","1","4","5","3","5","1","1") = "4"
    & skf21("2","1","4","5","3","5","2","1") = "4"
    & skf21("2","1","4","5","3","5","3","1") = "4"
    & skf21("2","1","4","5","3","5","4","1") = "4"
    & skf21("2","1","4","5","3","5","5","1") = "4"
    & skf21("2","1","4","5","3","5","6","1") = "5"
    & skf21("2","1","4","5","3","5","7","1") = "6"
    & skf21("2","1","4","5","3","6","1","1") = "5"
    & skf21("2","1","4","5","3","6","2","1") = "5"
    & skf21("2","1","4","5","3","6","3","1") = "5"
    & skf21("2","1","4","5","3","6","4","1") = "5"
    & skf21("2","1","4","5","3","6","5","1") = "5"
    & skf21("2","1","4","5","3","6","6","1") = "5"
    & skf21("2","1","4","5","3","6","7","1") = "6"
    & skf21("2","1","4","5","3","7","1","1") = "6"
    & skf21("2","1","4","5","3","7","2","1") = "6"
    & skf21("2","1","4","5","3","7","3","1") = "6"
    & skf21("2","1","4","5","3","7","4","1") = "6"
    & skf21("2","1","4","5","3","7","5","1") = "6"
    & skf21("2","1","4","5","3","7","6","1") = "6"
    & skf21("2","1","4","5","3","7","7","1") = "6"
    & skf21("2","1","4","5","4","1","1","1") = "4"
    & skf21("2","1","4","5","4","1","2","1") = "4"
    & skf21("2","1","4","5","4","1","3","1") = "4"
    & skf21("2","1","4","5","4","1","4","1") = "4"
    & skf21("2","1","4","5","4","1","5","1") = "4"
    & skf21("2","1","4","5","4","1","6","1") = "5"
    & skf21("2","1","4","5","4","1","7","1") = "6"
    & skf21("2","1","4","5","4","2","1","1") = "4"
    & skf21("2","1","4","5","4","2","2","1") = "4"
    & skf21("2","1","4","5","4","2","3","1") = "4"
    & skf21("2","1","4","5","4","2","4","1") = "4"
    & skf21("2","1","4","5","4","2","5","1") = "4"
    & skf21("2","1","4","5","4","2","6","1") = "5"
    & skf21("2","1","4","5","4","2","7","1") = "6"
    & skf21("2","1","4","5","4","3","1","1") = "4"
    & skf21("2","1","4","5","4","3","2","1") = "4"
    & skf21("2","1","4","5","4","3","3","1") = "4"
    & skf21("2","1","4","5","4","3","4","1") = "4"
    & skf21("2","1","4","5","4","3","5","1") = "4"
    & skf21("2","1","4","5","4","3","6","1") = "5"
    & skf21("2","1","4","5","4","3","7","1") = "6"
    & skf21("2","1","4","5","4","4","1","1") = "4"
    & skf21("2","1","4","5","4","4","2","1") = "4"
    & skf21("2","1","4","5","4","4","3","1") = "4"
    & skf21("2","1","4","5","4","4","4","1") = "4"
    & skf21("2","1","4","5","4","4","5","1") = "4"
    & skf21("2","1","4","5","4","4","6","1") = "5"
    & skf21("2","1","4","5","4","4","7","1") = "6"
    & skf21("2","1","4","5","4","5","1","1") = "4"
    & skf21("2","1","4","5","4","5","2","1") = "4"
    & skf21("2","1","4","5","4","5","3","1") = "4"
    & skf21("2","1","4","5","4","5","4","1") = "4"
    & skf21("2","1","4","5","4","5","5","1") = "4"
    & skf21("2","1","4","5","4","5","6","1") = "5"
    & skf21("2","1","4","5","4","5","7","1") = "6"
    & skf21("2","1","4","5","4","6","1","1") = "5"
    & skf21("2","1","4","5","4","6","2","1") = "5"
    & skf21("2","1","4","5","4","6","3","1") = "5"
    & skf21("2","1","4","5","4","6","4","1") = "5"
    & skf21("2","1","4","5","4","6","5","1") = "5"
    & skf21("2","1","4","5","4","6","6","1") = "5"
    & skf21("2","1","4","5","4","6","7","1") = "6"
    & skf21("2","1","4","5","4","7","1","1") = "6"
    & skf21("2","1","4","5","4","7","2","1") = "6"
    & skf21("2","1","4","5","4","7","3","1") = "6"
    & skf21("2","1","4","5","4","7","4","1") = "6"
    & skf21("2","1","4","5","4","7","5","1") = "6"
    & skf21("2","1","4","5","4","7","6","1") = "6"
    & skf21("2","1","4","5","4","7","7","1") = "6"
    & skf21("2","1","4","5","5","1","1","1") = "4"
    & skf21("2","1","4","5","5","1","2","1") = "4"
    & skf21("2","1","4","5","5","1","3","1") = "4"
    & skf21("2","1","4","5","5","1","4","1") = "4"
    & skf21("2","1","4","5","5","1","5","1") = "4"
    & skf21("2","1","4","5","5","1","6","1") = "5"
    & skf21("2","1","4","5","5","1","7","1") = "6"
    & skf21("2","1","4","5","5","2","1","1") = "4"
    & skf21("2","1","4","5","5","2","2","1") = "4"
    & skf21("2","1","4","5","5","2","3","1") = "4"
    & skf21("2","1","4","5","5","2","4","1") = "4"
    & skf21("2","1","4","5","5","2","5","1") = "4"
    & skf21("2","1","4","5","5","2","6","1") = "5"
    & skf21("2","1","4","5","5","2","7","1") = "6"
    & skf21("2","1","4","5","5","3","1","1") = "4"
    & skf21("2","1","4","5","5","3","2","1") = "4"
    & skf21("2","1","4","5","5","3","3","1") = "4"
    & skf21("2","1","4","5","5","3","4","1") = "4"
    & skf21("2","1","4","5","5","3","5","1") = "4"
    & skf21("2","1","4","5","5","3","6","1") = "5"
    & skf21("2","1","4","5","5","3","7","1") = "6"
    & skf21("2","1","4","5","5","4","1","1") = "4"
    & skf21("2","1","4","5","5","4","2","1") = "4"
    & skf21("2","1","4","5","5","4","3","1") = "4"
    & skf21("2","1","4","5","5","4","4","1") = "4"
    & skf21("2","1","4","5","5","4","5","1") = "4"
    & skf21("2","1","4","5","5","4","6","1") = "5"
    & skf21("2","1","4","5","5","4","7","1") = "6"
    & skf21("2","1","4","5","5","5","1","1") = "4"
    & skf21("2","1","4","5","5","5","2","1") = "4"
    & skf21("2","1","4","5","5","5","3","1") = "4"
    & skf21("2","1","4","5","5","5","4","1") = "4"
    & skf21("2","1","4","5","5","5","5","1") = "4"
    & skf21("2","1","4","5","5","5","6","1") = "5"
    & skf21("2","1","4","5","5","5","7","1") = "6"
    & skf21("2","1","4","5","5","6","1","1") = "5"
    & skf21("2","1","4","5","5","6","2","1") = "5"
    & skf21("2","1","4","5","5","6","3","1") = "5"
    & skf21("2","1","4","5","5","6","4","1") = "5"
    & skf21("2","1","4","5","5","6","5","1") = "5"
    & skf21("2","1","4","5","5","6","6","1") = "5"
    & skf21("2","1","4","5","5","6","7","1") = "6"
    & skf21("2","1","4","5","5","7","1","1") = "6"
    & skf21("2","1","4","5","5","7","2","1") = "6"
    & skf21("2","1","4","5","5","7","3","1") = "6"
    & skf21("2","1","4","5","5","7","4","1") = "6"
    & skf21("2","1","4","5","5","7","5","1") = "6"
    & skf21("2","1","4","5","5","7","6","1") = "6"
    & skf21("2","1","4","5","5","7","7","1") = "6"
    & skf21("2","1","4","5","6","1","1","1") = "5"
    & skf21("2","1","4","5","6","1","2","1") = "5"
    & skf21("2","1","4","5","6","1","3","1") = "5"
    & skf21("2","1","4","5","6","1","4","1") = "5"
    & skf21("2","1","4","5","6","1","5","1") = "5"
    & skf21("2","1","4","5","6","1","6","1") = "5"
    & skf21("2","1","4","5","6","1","7","1") = "6"
    & skf21("2","1","4","5","6","2","1","1") = "5"
    & skf21("2","1","4","5","6","2","2","1") = "5"
    & skf21("2","1","4","5","6","2","3","1") = "5"
    & skf21("2","1","4","5","6","2","4","1") = "5"
    & skf21("2","1","4","5","6","2","5","1") = "5"
    & skf21("2","1","4","5","6","2","6","1") = "5"
    & skf21("2","1","4","5","6","2","7","1") = "6"
    & skf21("2","1","4","5","6","3","1","1") = "5"
    & skf21("2","1","4","5","6","3","2","1") = "5"
    & skf21("2","1","4","5","6","3","3","1") = "5"
    & skf21("2","1","4","5","6","3","4","1") = "5"
    & skf21("2","1","4","5","6","3","5","1") = "5"
    & skf21("2","1","4","5","6","3","6","1") = "5"
    & skf21("2","1","4","5","6","3","7","1") = "6"
    & skf21("2","1","4","5","6","4","1","1") = "5"
    & skf21("2","1","4","5","6","4","2","1") = "5"
    & skf21("2","1","4","5","6","4","3","1") = "5"
    & skf21("2","1","4","5","6","4","4","1") = "5"
    & skf21("2","1","4","5","6","4","5","1") = "5"
    & skf21("2","1","4","5","6","4","6","1") = "5"
    & skf21("2","1","4","5","6","4","7","1") = "6"
    & skf21("2","1","4","5","6","5","1","1") = "5"
    & skf21("2","1","4","5","6","5","2","1") = "5"
    & skf21("2","1","4","5","6","5","3","1") = "5"
    & skf21("2","1","4","5","6","5","4","1") = "5"
    & skf21("2","1","4","5","6","5","5","1") = "5"
    & skf21("2","1","4","5","6","5","6","1") = "5"
    & skf21("2","1","4","5","6","5","7","1") = "6"
    & skf21("2","1","4","5","6","6","1","1") = "5"
    & skf21("2","1","4","5","6","6","2","1") = "5"
    & skf21("2","1","4","5","6","6","3","1") = "5"
    & skf21("2","1","4","5","6","6","4","1") = "5"
    & skf21("2","1","4","5","6","6","5","1") = "5"
    & skf21("2","1","4","5","6","6","6","1") = "5"
    & skf21("2","1","4","5","6","6","7","1") = "6"
    & skf21("2","1","4","5","6","7","1","1") = "6"
    & skf21("2","1","4","5","6","7","2","1") = "6"
    & skf21("2","1","4","5","6","7","3","1") = "6"
    & skf21("2","1","4","5","6","7","4","1") = "6"
    & skf21("2","1","4","5","6","7","5","1") = "6"
    & skf21("2","1","4","5","6","7","6","1") = "6"
    & skf21("2","1","4","5","6","7","7","1") = "6"
    & skf21("2","1","4","5","7","1","1","1") = "6"
    & skf21("2","1","4","5","7","1","2","1") = "6"
    & skf21("2","1","4","5","7","1","3","1") = "6"
    & skf21("2","1","4","5","7","1","4","1") = "6"
    & skf21("2","1","4","5","7","1","5","1") = "6"
    & skf21("2","1","4","5","7","1","6","1") = "6"
    & skf21("2","1","4","5","7","1","7","1") = "6"
    & skf21("2","1","4","5","7","2","1","1") = "6"
    & skf21("2","1","4","5","7","2","2","1") = "6"
    & skf21("2","1","4","5","7","2","3","1") = "6"
    & skf21("2","1","4","5","7","2","4","1") = "6"
    & skf21("2","1","4","5","7","2","5","1") = "6"
    & skf21("2","1","4","5","7","2","6","1") = "6"
    & skf21("2","1","4","5","7","2","7","1") = "6"
    & skf21("2","1","4","5","7","3","1","1") = "6"
    & skf21("2","1","4","5","7","3","2","1") = "6"
    & skf21("2","1","4","5","7","3","3","1") = "6"
    & skf21("2","1","4","5","7","3","4","1") = "6"
    & skf21("2","1","4","5","7","3","5","1") = "6"
    & skf21("2","1","4","5","7","3","6","1") = "6"
    & skf21("2","1","4","5","7","3","7","1") = "6"
    & skf21("2","1","4","5","7","4","1","1") = "6"
    & skf21("2","1","4","5","7","4","2","1") = "6"
    & skf21("2","1","4","5","7","4","3","1") = "6"
    & skf21("2","1","4","5","7","4","4","1") = "6"
    & skf21("2","1","4","5","7","4","5","1") = "6"
    & skf21("2","1","4","5","7","4","6","1") = "6"
    & skf21("2","1","4","5","7","4","7","1") = "6"
    & skf21("2","1","4","5","7","5","1","1") = "6"
    & skf21("2","1","4","5","7","5","2","1") = "6"
    & skf21("2","1","4","5","7","5","3","1") = "6"
    & skf21("2","1","4","5","7","5","4","1") = "6"
    & skf21("2","1","4","5","7","5","5","1") = "6"
    & skf21("2","1","4","5","7","5","6","1") = "6"
    & skf21("2","1","4","5","7","5","7","1") = "6"
    & skf21("2","1","4","5","7","6","1","1") = "6"
    & skf21("2","1","4","5","7","6","2","1") = "6"
    & skf21("2","1","4","5","7","6","3","1") = "6"
    & skf21("2","1","4","5","7","6","4","1") = "6"
    & skf21("2","1","4","5","7","6","5","1") = "6"
    & skf21("2","1","4","5","7","6","6","1") = "6"
    & skf21("2","1","4","5","7","6","7","1") = "6"
    & skf21("2","1","4","5","7","7","1","1") = "6"
    & skf21("2","1","4","5","7","7","2","1") = "6"
    & skf21("2","1","4","5","7","7","3","1") = "6"
    & skf21("2","1","4","5","7","7","4","1") = "6"
    & skf21("2","1","4","5","7","7","5","1") = "6"
    & skf21("2","1","4","5","7","7","6","1") = "6"
    & skf21("2","1","4","5","7","7","7","1") = "6"
    & skf21("2","1","4","6","1","1","1","1") = "5"
    & skf21("2","1","4","6","1","1","2","1") = "5"
    & skf21("2","1","4","6","1","1","3","1") = "5"
    & skf21("2","1","4","6","1","1","4","1") = "5"
    & skf21("2","1","4","6","1","1","5","1") = "5"
    & skf21("2","1","4","6","1","1","6","1") = "5"
    & skf21("2","1","4","6","1","1","7","1") = "6"
    & skf21("2","1","4","6","1","2","1","1") = "5"
    & skf21("2","1","4","6","1","2","2","1") = "5"
    & skf21("2","1","4","6","1","2","3","1") = "5"
    & skf21("2","1","4","6","1","2","4","1") = "5"
    & skf21("2","1","4","6","1","2","5","1") = "5"
    & skf21("2","1","4","6","1","2","6","1") = "5"
    & skf21("2","1","4","6","1","2","7","1") = "6"
    & skf21("2","1","4","6","1","3","1","1") = "5"
    & skf21("2","1","4","6","1","3","2","1") = "5"
    & skf21("2","1","4","6","1","3","3","1") = "5"
    & skf21("2","1","4","6","1","3","4","1") = "5"
    & skf21("2","1","4","6","1","3","5","1") = "5"
    & skf21("2","1","4","6","1","3","6","1") = "5"
    & skf21("2","1","4","6","1","3","7","1") = "6"
    & skf21("2","1","4","6","1","4","1","1") = "5"
    & skf21("2","1","4","6","1","4","2","1") = "5"
    & skf21("2","1","4","6","1","4","3","1") = "5"
    & skf21("2","1","4","6","1","4","4","1") = "5"
    & skf21("2","1","4","6","1","4","5","1") = "5"
    & skf21("2","1","4","6","1","4","6","1") = "5"
    & skf21("2","1","4","6","1","4","7","1") = "6"
    & skf21("2","1","4","6","1","5","1","1") = "5"
    & skf21("2","1","4","6","1","5","2","1") = "5"
    & skf21("2","1","4","6","1","5","3","1") = "5"
    & skf21("2","1","4","6","1","5","4","1") = "5"
    & skf21("2","1","4","6","1","5","5","1") = "5"
    & skf21("2","1","4","6","1","5","6","1") = "5"
    & skf21("2","1","4","6","1","5","7","1") = "6"
    & skf21("2","1","4","6","1","6","1","1") = "5"
    & skf21("2","1","4","6","1","6","2","1") = "5"
    & skf21("2","1","4","6","1","6","3","1") = "5"
    & skf21("2","1","4","6","1","6","4","1") = "5"
    & skf21("2","1","4","6","1","6","5","1") = "5"
    & skf21("2","1","4","6","1","6","6","1") = "5"
    & skf21("2","1","4","6","1","6","7","1") = "6"
    & skf21("2","1","4","6","1","7","1","1") = "6"
    & skf21("2","1","4","6","1","7","2","1") = "6"
    & skf21("2","1","4","6","1","7","3","1") = "6"
    & skf21("2","1","4","6","1","7","4","1") = "6"
    & skf21("2","1","4","6","1","7","5","1") = "6"
    & skf21("2","1","4","6","1","7","6","1") = "6"
    & skf21("2","1","4","6","1","7","7","1") = "6"
    & skf21("2","1","4","6","2","1","1","1") = "5"
    & skf21("2","1","4","6","2","1","2","1") = "5"
    & skf21("2","1","4","6","2","1","3","1") = "5"
    & skf21("2","1","4","6","2","1","4","1") = "5"
    & skf21("2","1","4","6","2","1","5","1") = "5"
    & skf21("2","1","4","6","2","1","6","1") = "5"
    & skf21("2","1","4","6","2","1","7","1") = "6"
    & skf21("2","1","4","6","2","2","1","1") = "5"
    & skf21("2","1","4","6","2","2","2","1") = "5"
    & skf21("2","1","4","6","2","2","3","1") = "5"
    & skf21("2","1","4","6","2","2","4","1") = "5"
    & skf21("2","1","4","6","2","2","5","1") = "5"
    & skf21("2","1","4","6","2","2","6","1") = "5"
    & skf21("2","1","4","6","2","2","7","1") = "6"
    & skf21("2","1","4","6","2","3","1","1") = "5"
    & skf21("2","1","4","6","2","3","2","1") = "5"
    & skf21("2","1","4","6","2","3","3","1") = "5"
    & skf21("2","1","4","6","2","3","4","1") = "5"
    & skf21("2","1","4","6","2","3","5","1") = "5"
    & skf21("2","1","4","6","2","3","6","1") = "5"
    & skf21("2","1","4","6","2","3","7","1") = "6"
    & skf21("2","1","4","6","2","4","1","1") = "5"
    & skf21("2","1","4","6","2","4","2","1") = "5"
    & skf21("2","1","4","6","2","4","3","1") = "5"
    & skf21("2","1","4","6","2","4","4","1") = "5"
    & skf21("2","1","4","6","2","4","5","1") = "5"
    & skf21("2","1","4","6","2","4","6","1") = "5"
    & skf21("2","1","4","6","2","4","7","1") = "6"
    & skf21("2","1","4","6","2","5","1","1") = "5"
    & skf21("2","1","4","6","2","5","2","1") = "5"
    & skf21("2","1","4","6","2","5","3","1") = "5"
    & skf21("2","1","4","6","2","5","4","1") = "5"
    & skf21("2","1","4","6","2","5","5","1") = "5"
    & skf21("2","1","4","6","2","5","6","1") = "5"
    & skf21("2","1","4","6","2","5","7","1") = "6"
    & skf21("2","1","4","6","2","6","1","1") = "5"
    & skf21("2","1","4","6","2","6","2","1") = "5"
    & skf21("2","1","4","6","2","6","3","1") = "5"
    & skf21("2","1","4","6","2","6","4","1") = "5"
    & skf21("2","1","4","6","2","6","5","1") = "5"
    & skf21("2","1","4","6","2","6","6","1") = "5"
    & skf21("2","1","4","6","2","6","7","1") = "6"
    & skf21("2","1","4","6","2","7","1","1") = "6"
    & skf21("2","1","4","6","2","7","2","1") = "6"
    & skf21("2","1","4","6","2","7","3","1") = "6"
    & skf21("2","1","4","6","2","7","4","1") = "6"
    & skf21("2","1","4","6","2","7","5","1") = "6"
    & skf21("2","1","4","6","2","7","6","1") = "6"
    & skf21("2","1","4","6","2","7","7","1") = "6"
    & skf21("2","1","4","6","3","1","1","1") = "5"
    & skf21("2","1","4","6","3","1","2","1") = "5"
    & skf21("2","1","4","6","3","1","3","1") = "5"
    & skf21("2","1","4","6","3","1","4","1") = "5"
    & skf21("2","1","4","6","3","1","5","1") = "5"
    & skf21("2","1","4","6","3","1","6","1") = "5"
    & skf21("2","1","4","6","3","1","7","1") = "6"
    & skf21("2","1","4","6","3","2","1","1") = "5"
    & skf21("2","1","4","6","3","2","2","1") = "5"
    & skf21("2","1","4","6","3","2","3","1") = "5"
    & skf21("2","1","4","6","3","2","4","1") = "5"
    & skf21("2","1","4","6","3","2","5","1") = "5"
    & skf21("2","1","4","6","3","2","6","1") = "5"
    & skf21("2","1","4","6","3","2","7","1") = "6"
    & skf21("2","1","4","6","3","3","1","1") = "5"
    & skf21("2","1","4","6","3","3","2","1") = "5"
    & skf21("2","1","4","6","3","3","3","1") = "5"
    & skf21("2","1","4","6","3","3","4","1") = "5"
    & skf21("2","1","4","6","3","3","5","1") = "5"
    & skf21("2","1","4","6","3","3","6","1") = "5"
    & skf21("2","1","4","6","3","3","7","1") = "6"
    & skf21("2","1","4","6","3","4","1","1") = "5"
    & skf21("2","1","4","6","3","4","2","1") = "5"
    & skf21("2","1","4","6","3","4","3","1") = "5"
    & skf21("2","1","4","6","3","4","4","1") = "5"
    & skf21("2","1","4","6","3","4","5","1") = "5"
    & skf21("2","1","4","6","3","4","6","1") = "5"
    & skf21("2","1","4","6","3","4","7","1") = "6"
    & skf21("2","1","4","6","3","5","1","1") = "5"
    & skf21("2","1","4","6","3","5","2","1") = "5"
    & skf21("2","1","4","6","3","5","3","1") = "5"
    & skf21("2","1","4","6","3","5","4","1") = "5"
    & skf21("2","1","4","6","3","5","5","1") = "5"
    & skf21("2","1","4","6","3","5","6","1") = "5"
    & skf21("2","1","4","6","3","5","7","1") = "6"
    & skf21("2","1","4","6","3","6","1","1") = "5"
    & skf21("2","1","4","6","3","6","2","1") = "5"
    & skf21("2","1","4","6","3","6","3","1") = "5"
    & skf21("2","1","4","6","3","6","4","1") = "5"
    & skf21("2","1","4","6","3","6","5","1") = "5"
    & skf21("2","1","4","6","3","6","6","1") = "5"
    & skf21("2","1","4","6","3","6","7","1") = "6"
    & skf21("2","1","4","6","3","7","1","1") = "6"
    & skf21("2","1","4","6","3","7","2","1") = "6"
    & skf21("2","1","4","6","3","7","3","1") = "6"
    & skf21("2","1","4","6","3","7","4","1") = "6"
    & skf21("2","1","4","6","3","7","5","1") = "6"
    & skf21("2","1","4","6","3","7","6","1") = "6"
    & skf21("2","1","4","6","3","7","7","1") = "6"
    & skf21("2","1","4","6","4","1","1","1") = "5"
    & skf21("2","1","4","6","4","1","2","1") = "5"
    & skf21("2","1","4","6","4","1","3","1") = "5"
    & skf21("2","1","4","6","4","1","4","1") = "5"
    & skf21("2","1","4","6","4","1","5","1") = "5"
    & skf21("2","1","4","6","4","1","6","1") = "5"
    & skf21("2","1","4","6","4","1","7","1") = "6"
    & skf21("2","1","4","6","4","2","1","1") = "5"
    & skf21("2","1","4","6","4","2","2","1") = "5"
    & skf21("2","1","4","6","4","2","3","1") = "5"
    & skf21("2","1","4","6","4","2","4","1") = "5"
    & skf21("2","1","4","6","4","2","5","1") = "5"
    & skf21("2","1","4","6","4","2","6","1") = "5"
    & skf21("2","1","4","6","4","2","7","1") = "6"
    & skf21("2","1","4","6","4","3","1","1") = "5"
    & skf21("2","1","4","6","4","3","2","1") = "5"
    & skf21("2","1","4","6","4","3","3","1") = "5"
    & skf21("2","1","4","6","4","3","4","1") = "5"
    & skf21("2","1","4","6","4","3","5","1") = "5"
    & skf21("2","1","4","6","4","3","6","1") = "5"
    & skf21("2","1","4","6","4","3","7","1") = "6"
    & skf21("2","1","4","6","4","4","1","1") = "5"
    & skf21("2","1","4","6","4","4","2","1") = "5"
    & skf21("2","1","4","6","4","4","3","1") = "5"
    & skf21("2","1","4","6","4","4","4","1") = "5"
    & skf21("2","1","4","6","4","4","5","1") = "5"
    & skf21("2","1","4","6","4","4","6","1") = "5"
    & skf21("2","1","4","6","4","4","7","1") = "6"
    & skf21("2","1","4","6","4","5","1","1") = "5"
    & skf21("2","1","4","6","4","5","2","1") = "5"
    & skf21("2","1","4","6","4","5","3","1") = "5"
    & skf21("2","1","4","6","4","5","4","1") = "5"
    & skf21("2","1","4","6","4","5","5","1") = "5"
    & skf21("2","1","4","6","4","5","6","1") = "5"
    & skf21("2","1","4","6","4","5","7","1") = "6"
    & skf21("2","1","4","6","4","6","1","1") = "5"
    & skf21("2","1","4","6","4","6","2","1") = "5"
    & skf21("2","1","4","6","4","6","3","1") = "5"
    & skf21("2","1","4","6","4","6","4","1") = "5"
    & skf21("2","1","4","6","4","6","5","1") = "5"
    & skf21("2","1","4","6","4","6","6","1") = "5"
    & skf21("2","1","4","6","4","6","7","1") = "6"
    & skf21("2","1","4","6","4","7","1","1") = "6"
    & skf21("2","1","4","6","4","7","2","1") = "6"
    & skf21("2","1","4","6","4","7","3","1") = "6"
    & skf21("2","1","4","6","4","7","4","1") = "6"
    & skf21("2","1","4","6","4","7","5","1") = "6"
    & skf21("2","1","4","6","4","7","6","1") = "6"
    & skf21("2","1","4","6","4","7","7","1") = "6"
    & skf21("2","1","4","6","5","1","1","1") = "5"
    & skf21("2","1","4","6","5","1","2","1") = "5"
    & skf21("2","1","4","6","5","1","3","1") = "5"
    & skf21("2","1","4","6","5","1","4","1") = "5"
    & skf21("2","1","4","6","5","1","5","1") = "5"
    & skf21("2","1","4","6","5","1","6","1") = "5"
    & skf21("2","1","4","6","5","1","7","1") = "6"
    & skf21("2","1","4","6","5","2","1","1") = "5"
    & skf21("2","1","4","6","5","2","2","1") = "5"
    & skf21("2","1","4","6","5","2","3","1") = "5"
    & skf21("2","1","4","6","5","2","4","1") = "5"
    & skf21("2","1","4","6","5","2","5","1") = "5"
    & skf21("2","1","4","6","5","2","6","1") = "5"
    & skf21("2","1","4","6","5","2","7","1") = "6"
    & skf21("2","1","4","6","5","3","1","1") = "5"
    & skf21("2","1","4","6","5","3","2","1") = "5"
    & skf21("2","1","4","6","5","3","3","1") = "5"
    & skf21("2","1","4","6","5","3","4","1") = "5"
    & skf21("2","1","4","6","5","3","5","1") = "5"
    & skf21("2","1","4","6","5","3","6","1") = "5"
    & skf21("2","1","4","6","5","3","7","1") = "6"
    & skf21("2","1","4","6","5","4","1","1") = "5"
    & skf21("2","1","4","6","5","4","2","1") = "5"
    & skf21("2","1","4","6","5","4","3","1") = "5"
    & skf21("2","1","4","6","5","4","4","1") = "5"
    & skf21("2","1","4","6","5","4","5","1") = "5"
    & skf21("2","1","4","6","5","4","6","1") = "5"
    & skf21("2","1","4","6","5","4","7","1") = "6"
    & skf21("2","1","4","6","5","5","1","1") = "5"
    & skf21("2","1","4","6","5","5","2","1") = "5"
    & skf21("2","1","4","6","5","5","3","1") = "5"
    & skf21("2","1","4","6","5","5","4","1") = "5"
    & skf21("2","1","4","6","5","5","5","1") = "5"
    & skf21("2","1","4","6","5","5","6","1") = "5"
    & skf21("2","1","4","6","5","5","7","1") = "6"
    & skf21("2","1","4","6","5","6","1","1") = "5"
    & skf21("2","1","4","6","5","6","2","1") = "5"
    & skf21("2","1","4","6","5","6","3","1") = "5"
    & skf21("2","1","4","6","5","6","4","1") = "5"
    & skf21("2","1","4","6","5","6","5","1") = "5"
    & skf21("2","1","4","6","5","6","6","1") = "5"
    & skf21("2","1","4","6","5","6","7","1") = "6"
    & skf21("2","1","4","6","5","7","1","1") = "6"
    & skf21("2","1","4","6","5","7","2","1") = "6"
    & skf21("2","1","4","6","5","7","3","1") = "6"
    & skf21("2","1","4","6","5","7","4","1") = "6"
    & skf21("2","1","4","6","5","7","5","1") = "6"
    & skf21("2","1","4","6","5","7","6","1") = "6"
    & skf21("2","1","4","6","5","7","7","1") = "6"
    & skf21("2","1","4","6","6","1","1","1") = "5"
    & skf21("2","1","4","6","6","1","2","1") = "5"
    & skf21("2","1","4","6","6","1","3","1") = "5"
    & skf21("2","1","4","6","6","1","4","1") = "5"
    & skf21("2","1","4","6","6","1","5","1") = "5"
    & skf21("2","1","4","6","6","1","6","1") = "5"
    & skf21("2","1","4","6","6","1","7","1") = "6"
    & skf21("2","1","4","6","6","2","1","1") = "5"
    & skf21("2","1","4","6","6","2","2","1") = "5"
    & skf21("2","1","4","6","6","2","3","1") = "5"
    & skf21("2","1","4","6","6","2","4","1") = "5"
    & skf21("2","1","4","6","6","2","5","1") = "5"
    & skf21("2","1","4","6","6","2","6","1") = "5"
    & skf21("2","1","4","6","6","2","7","1") = "6"
    & skf21("2","1","4","6","6","3","1","1") = "5"
    & skf21("2","1","4","6","6","3","2","1") = "5"
    & skf21("2","1","4","6","6","3","3","1") = "5"
    & skf21("2","1","4","6","6","3","4","1") = "5"
    & skf21("2","1","4","6","6","3","5","1") = "5"
    & skf21("2","1","4","6","6","3","6","1") = "5"
    & skf21("2","1","4","6","6","3","7","1") = "6"
    & skf21("2","1","4","6","6","4","1","1") = "5"
    & skf21("2","1","4","6","6","4","2","1") = "5"
    & skf21("2","1","4","6","6","4","3","1") = "5"
    & skf21("2","1","4","6","6","4","4","1") = "5"
    & skf21("2","1","4","6","6","4","5","1") = "5"
    & skf21("2","1","4","6","6","4","6","1") = "5"
    & skf21("2","1","4","6","6","4","7","1") = "6"
    & skf21("2","1","4","6","6","5","1","1") = "5"
    & skf21("2","1","4","6","6","5","2","1") = "5"
    & skf21("2","1","4","6","6","5","3","1") = "5"
    & skf21("2","1","4","6","6","5","4","1") = "5"
    & skf21("2","1","4","6","6","5","5","1") = "5"
    & skf21("2","1","4","6","6","5","6","1") = "5"
    & skf21("2","1","4","6","6","5","7","1") = "6"
    & skf21("2","1","4","6","6","6","1","1") = "5"
    & skf21("2","1","4","6","6","6","2","1") = "5"
    & skf21("2","1","4","6","6","6","3","1") = "5"
    & skf21("2","1","4","6","6","6","4","1") = "5"
    & skf21("2","1","4","6","6","6","5","1") = "5"
    & skf21("2","1","4","6","6","6","6","1") = "5"
    & skf21("2","1","4","6","6","6","7","1") = "6"
    & skf21("2","1","4","6","6","7","1","1") = "6"
    & skf21("2","1","4","6","6","7","2","1") = "6"
    & skf21("2","1","4","6","6","7","3","1") = "6"
    & skf21("2","1","4","6","6","7","4","1") = "6"
    & skf21("2","1","4","6","6","7","5","1") = "6"
    & skf21("2","1","4","6","6","7","6","1") = "6"
    & skf21("2","1","4","6","6","7","7","1") = "6"
    & skf21("2","1","4","6","7","1","1","1") = "6"
    & skf21("2","1","4","6","7","1","2","1") = "6"
    & skf21("2","1","4","6","7","1","3","1") = "6"
    & skf21("2","1","4","6","7","1","4","1") = "6"
    & skf21("2","1","4","6","7","1","5","1") = "6"
    & skf21("2","1","4","6","7","1","6","1") = "6"
    & skf21("2","1","4","6","7","1","7","1") = "6"
    & skf21("2","1","4","6","7","2","1","1") = "6"
    & skf21("2","1","4","6","7","2","2","1") = "6"
    & skf21("2","1","4","6","7","2","3","1") = "6"
    & skf21("2","1","4","6","7","2","4","1") = "6"
    & skf21("2","1","4","6","7","2","5","1") = "6"
    & skf21("2","1","4","6","7","2","6","1") = "6"
    & skf21("2","1","4","6","7","2","7","1") = "6"
    & skf21("2","1","4","6","7","3","1","1") = "6"
    & skf21("2","1","4","6","7","3","2","1") = "6"
    & skf21("2","1","4","6","7","3","3","1") = "6"
    & skf21("2","1","4","6","7","3","4","1") = "6"
    & skf21("2","1","4","6","7","3","5","1") = "6"
    & skf21("2","1","4","6","7","3","6","1") = "6"
    & skf21("2","1","4","6","7","3","7","1") = "6"
    & skf21("2","1","4","6","7","4","1","1") = "6"
    & skf21("2","1","4","6","7","4","2","1") = "6"
    & skf21("2","1","4","6","7","4","3","1") = "6"
    & skf21("2","1","4","6","7","4","4","1") = "6"
    & skf21("2","1","4","6","7","4","5","1") = "6"
    & skf21("2","1","4","6","7","4","6","1") = "6"
    & skf21("2","1","4","6","7","4","7","1") = "6"
    & skf21("2","1","4","6","7","5","1","1") = "6"
    & skf21("2","1","4","6","7","5","2","1") = "6"
    & skf21("2","1","4","6","7","5","3","1") = "6"
    & skf21("2","1","4","6","7","5","4","1") = "6"
    & skf21("2","1","4","6","7","5","5","1") = "6"
    & skf21("2","1","4","6","7","5","6","1") = "6"
    & skf21("2","1","4","6","7","5","7","1") = "6"
    & skf21("2","1","4","6","7","6","1","1") = "6"
    & skf21("2","1","4","6","7","6","2","1") = "6"
    & skf21("2","1","4","6","7","6","3","1") = "6"
    & skf21("2","1","4","6","7","6","4","1") = "6"
    & skf21("2","1","4","6","7","6","5","1") = "6"
    & skf21("2","1","4","6","7","6","6","1") = "6"
    & skf21("2","1","4","6","7","6","7","1") = "6"
    & skf21("2","1","4","6","7","7","1","1") = "6"
    & skf21("2","1","4","6","7","7","2","1") = "6"
    & skf21("2","1","4","6","7","7","3","1") = "6"
    & skf21("2","1","4","6","7","7","4","1") = "6"
    & skf21("2","1","4","6","7","7","5","1") = "6"
    & skf21("2","1","4","6","7","7","6","1") = "6"
    & skf21("2","1","4","6","7","7","7","1") = "6"
    & skf21("2","1","4","7","1","1","1","1") = "6"
    & skf21("2","1","4","7","1","1","2","1") = "6"
    & skf21("2","1","4","7","1","1","3","1") = "6"
    & skf21("2","1","4","7","1","1","4","1") = "6"
    & skf21("2","1","4","7","1","1","5","1") = "6"
    & skf21("2","1","4","7","1","1","6","1") = "6"
    & skf21("2","1","4","7","1","1","7","1") = "6"
    & skf21("2","1","4","7","1","2","1","1") = "6"
    & skf21("2","1","4","7","1","2","2","1") = "6"
    & skf21("2","1","4","7","1","2","3","1") = "6"
    & skf21("2","1","4","7","1","2","4","1") = "6"
    & skf21("2","1","4","7","1","2","5","1") = "6"
    & skf21("2","1","4","7","1","2","6","1") = "6"
    & skf21("2","1","4","7","1","2","7","1") = "6"
    & skf21("2","1","4","7","1","3","1","1") = "6"
    & skf21("2","1","4","7","1","3","2","1") = "6"
    & skf21("2","1","4","7","1","3","3","1") = "6"
    & skf21("2","1","4","7","1","3","4","1") = "6"
    & skf21("2","1","4","7","1","3","5","1") = "6"
    & skf21("2","1","4","7","1","3","6","1") = "6"
    & skf21("2","1","4","7","1","3","7","1") = "6"
    & skf21("2","1","4","7","1","4","1","1") = "6"
    & skf21("2","1","4","7","1","4","2","1") = "6"
    & skf21("2","1","4","7","1","4","3","1") = "6"
    & skf21("2","1","4","7","1","4","4","1") = "6"
    & skf21("2","1","4","7","1","4","5","1") = "6"
    & skf21("2","1","4","7","1","4","6","1") = "6"
    & skf21("2","1","4","7","1","4","7","1") = "6"
    & skf21("2","1","4","7","1","5","1","1") = "6"
    & skf21("2","1","4","7","1","5","2","1") = "6"
    & skf21("2","1","4","7","1","5","3","1") = "6"
    & skf21("2","1","4","7","1","5","4","1") = "6"
    & skf21("2","1","4","7","1","5","5","1") = "6"
    & skf21("2","1","4","7","1","5","6","1") = "6"
    & skf21("2","1","4","7","1","5","7","1") = "6"
    & skf21("2","1","4","7","1","6","1","1") = "6"
    & skf21("2","1","4","7","1","6","2","1") = "6"
    & skf21("2","1","4","7","1","6","3","1") = "6"
    & skf21("2","1","4","7","1","6","4","1") = "6"
    & skf21("2","1","4","7","1","6","5","1") = "6"
    & skf21("2","1","4","7","1","6","6","1") = "6"
    & skf21("2","1","4","7","1","6","7","1") = "6"
    & skf21("2","1","4","7","1","7","1","1") = "6"
    & skf21("2","1","4","7","1","7","2","1") = "6"
    & skf21("2","1","4","7","1","7","3","1") = "6"
    & skf21("2","1","4","7","1","7","4","1") = "6"
    & skf21("2","1","4","7","1","7","5","1") = "6"
    & skf21("2","1","4","7","1","7","6","1") = "6"
    & skf21("2","1","4","7","1","7","7","1") = "6"
    & skf21("2","1","4","7","2","1","1","1") = "6"
    & skf21("2","1","4","7","2","1","2","1") = "6"
    & skf21("2","1","4","7","2","1","3","1") = "6"
    & skf21("2","1","4","7","2","1","4","1") = "6"
    & skf21("2","1","4","7","2","1","5","1") = "6"
    & skf21("2","1","4","7","2","1","6","1") = "6"
    & skf21("2","1","4","7","2","1","7","1") = "6"
    & skf21("2","1","4","7","2","2","1","1") = "6"
    & skf21("2","1","4","7","2","2","2","1") = "6"
    & skf21("2","1","4","7","2","2","3","1") = "6"
    & skf21("2","1","4","7","2","2","4","1") = "6"
    & skf21("2","1","4","7","2","2","5","1") = "6"
    & skf21("2","1","4","7","2","2","6","1") = "6"
    & skf21("2","1","4","7","2","2","7","1") = "6"
    & skf21("2","1","4","7","2","3","1","1") = "6"
    & skf21("2","1","4","7","2","3","2","1") = "6"
    & skf21("2","1","4","7","2","3","3","1") = "6"
    & skf21("2","1","4","7","2","3","4","1") = "6"
    & skf21("2","1","4","7","2","3","5","1") = "6"
    & skf21("2","1","4","7","2","3","6","1") = "6"
    & skf21("2","1","4","7","2","3","7","1") = "6"
    & skf21("2","1","4","7","2","4","1","1") = "6"
    & skf21("2","1","4","7","2","4","2","1") = "6"
    & skf21("2","1","4","7","2","4","3","1") = "6"
    & skf21("2","1","4","7","2","4","4","1") = "6"
    & skf21("2","1","4","7","2","4","5","1") = "6"
    & skf21("2","1","4","7","2","4","6","1") = "6"
    & skf21("2","1","4","7","2","4","7","1") = "6"
    & skf21("2","1","4","7","2","5","1","1") = "6"
    & skf21("2","1","4","7","2","5","2","1") = "6"
    & skf21("2","1","4","7","2","5","3","1") = "6"
    & skf21("2","1","4","7","2","5","4","1") = "6"
    & skf21("2","1","4","7","2","5","5","1") = "6"
    & skf21("2","1","4","7","2","5","6","1") = "6"
    & skf21("2","1","4","7","2","5","7","1") = "6"
    & skf21("2","1","4","7","2","6","1","1") = "6"
    & skf21("2","1","4","7","2","6","2","1") = "6"
    & skf21("2","1","4","7","2","6","3","1") = "6"
    & skf21("2","1","4","7","2","6","4","1") = "6"
    & skf21("2","1","4","7","2","6","5","1") = "6"
    & skf21("2","1","4","7","2","6","6","1") = "6"
    & skf21("2","1","4","7","2","6","7","1") = "6"
    & skf21("2","1","4","7","2","7","1","1") = "6"
    & skf21("2","1","4","7","2","7","2","1") = "6"
    & skf21("2","1","4","7","2","7","3","1") = "6"
    & skf21("2","1","4","7","2","7","4","1") = "6"
    & skf21("2","1","4","7","2","7","5","1") = "6"
    & skf21("2","1","4","7","2","7","6","1") = "6"
    & skf21("2","1","4","7","2","7","7","1") = "6"
    & skf21("2","1","4","7","3","1","1","1") = "6"
    & skf21("2","1","4","7","3","1","2","1") = "6"
    & skf21("2","1","4","7","3","1","3","1") = "6"
    & skf21("2","1","4","7","3","1","4","1") = "6"
    & skf21("2","1","4","7","3","1","5","1") = "6"
    & skf21("2","1","4","7","3","1","6","1") = "6"
    & skf21("2","1","4","7","3","1","7","1") = "6"
    & skf21("2","1","4","7","3","2","1","1") = "6"
    & skf21("2","1","4","7","3","2","2","1") = "6"
    & skf21("2","1","4","7","3","2","3","1") = "6"
    & skf21("2","1","4","7","3","2","4","1") = "6"
    & skf21("2","1","4","7","3","2","5","1") = "6"
    & skf21("2","1","4","7","3","2","6","1") = "6"
    & skf21("2","1","4","7","3","2","7","1") = "6"
    & skf21("2","1","4","7","3","3","1","1") = "6"
    & skf21("2","1","4","7","3","3","2","1") = "6"
    & skf21("2","1","4","7","3","3","3","1") = "6"
    & skf21("2","1","4","7","3","3","4","1") = "6"
    & skf21("2","1","4","7","3","3","5","1") = "6"
    & skf21("2","1","4","7","3","3","6","1") = "6"
    & skf21("2","1","4","7","3","3","7","1") = "6"
    & skf21("2","1","4","7","3","4","1","1") = "6"
    & skf21("2","1","4","7","3","4","2","1") = "6"
    & skf21("2","1","4","7","3","4","3","1") = "6"
    & skf21("2","1","4","7","3","4","4","1") = "6"
    & skf21("2","1","4","7","3","4","5","1") = "6"
    & skf21("2","1","4","7","3","4","6","1") = "6"
    & skf21("2","1","4","7","3","4","7","1") = "6"
    & skf21("2","1","4","7","3","5","1","1") = "6"
    & skf21("2","1","4","7","3","5","2","1") = "6"
    & skf21("2","1","4","7","3","5","3","1") = "6"
    & skf21("2","1","4","7","3","5","4","1") = "6"
    & skf21("2","1","4","7","3","5","5","1") = "6"
    & skf21("2","1","4","7","3","5","6","1") = "6"
    & skf21("2","1","4","7","3","5","7","1") = "6"
    & skf21("2","1","4","7","3","6","1","1") = "6"
    & skf21("2","1","4","7","3","6","2","1") = "6"
    & skf21("2","1","4","7","3","6","3","1") = "6"
    & skf21("2","1","4","7","3","6","4","1") = "6"
    & skf21("2","1","4","7","3","6","5","1") = "6"
    & skf21("2","1","4","7","3","6","6","1") = "6"
    & skf21("2","1","4","7","3","6","7","1") = "6"
    & skf21("2","1","4","7","3","7","1","1") = "6"
    & skf21("2","1","4","7","3","7","2","1") = "6"
    & skf21("2","1","4","7","3","7","3","1") = "6"
    & skf21("2","1","4","7","3","7","4","1") = "6"
    & skf21("2","1","4","7","3","7","5","1") = "6"
    & skf21("2","1","4","7","3","7","6","1") = "6"
    & skf21("2","1","4","7","3","7","7","1") = "6"
    & skf21("2","1","4","7","4","1","1","1") = "6"
    & skf21("2","1","4","7","4","1","2","1") = "6"
    & skf21("2","1","4","7","4","1","3","1") = "6"
    & skf21("2","1","4","7","4","1","4","1") = "6"
    & skf21("2","1","4","7","4","1","5","1") = "6"
    & skf21("2","1","4","7","4","1","6","1") = "6"
    & skf21("2","1","4","7","4","1","7","1") = "6"
    & skf21("2","1","4","7","4","2","1","1") = "6"
    & skf21("2","1","4","7","4","2","2","1") = "6"
    & skf21("2","1","4","7","4","2","3","1") = "6"
    & skf21("2","1","4","7","4","2","4","1") = "6"
    & skf21("2","1","4","7","4","2","5","1") = "6"
    & skf21("2","1","4","7","4","2","6","1") = "6"
    & skf21("2","1","4","7","4","2","7","1") = "6"
    & skf21("2","1","4","7","4","3","1","1") = "6"
    & skf21("2","1","4","7","4","3","2","1") = "6"
    & skf21("2","1","4","7","4","3","3","1") = "6"
    & skf21("2","1","4","7","4","3","4","1") = "6"
    & skf21("2","1","4","7","4","3","5","1") = "6"
    & skf21("2","1","4","7","4","3","6","1") = "6"
    & skf21("2","1","4","7","4","3","7","1") = "6"
    & skf21("2","1","4","7","4","4","1","1") = "6"
    & skf21("2","1","4","7","4","4","2","1") = "6"
    & skf21("2","1","4","7","4","4","3","1") = "6"
    & skf21("2","1","4","7","4","4","4","1") = "6"
    & skf21("2","1","4","7","4","4","5","1") = "6"
    & skf21("2","1","4","7","4","4","6","1") = "6"
    & skf21("2","1","4","7","4","4","7","1") = "6"
    & skf21("2","1","4","7","4","5","1","1") = "6"
    & skf21("2","1","4","7","4","5","2","1") = "6"
    & skf21("2","1","4","7","4","5","3","1") = "6"
    & skf21("2","1","4","7","4","5","4","1") = "6"
    & skf21("2","1","4","7","4","5","5","1") = "6"
    & skf21("2","1","4","7","4","5","6","1") = "6"
    & skf21("2","1","4","7","4","5","7","1") = "6"
    & skf21("2","1","4","7","4","6","1","1") = "6"
    & skf21("2","1","4","7","4","6","2","1") = "6"
    & skf21("2","1","4","7","4","6","3","1") = "6"
    & skf21("2","1","4","7","4","6","4","1") = "6"
    & skf21("2","1","4","7","4","6","5","1") = "6"
    & skf21("2","1","4","7","4","6","6","1") = "6"
    & skf21("2","1","4","7","4","6","7","1") = "6"
    & skf21("2","1","4","7","4","7","1","1") = "6"
    & skf21("2","1","4","7","4","7","2","1") = "6"
    & skf21("2","1","4","7","4","7","3","1") = "6"
    & skf21("2","1","4","7","4","7","4","1") = "6"
    & skf21("2","1","4","7","4","7","5","1") = "6"
    & skf21("2","1","4","7","4","7","6","1") = "6"
    & skf21("2","1","4","7","4","7","7","1") = "6"
    & skf21("2","1","4","7","5","1","1","1") = "6"
    & skf21("2","1","4","7","5","1","2","1") = "6"
    & skf21("2","1","4","7","5","1","3","1") = "6"
    & skf21("2","1","4","7","5","1","4","1") = "6"
    & skf21("2","1","4","7","5","1","5","1") = "6"
    & skf21("2","1","4","7","5","1","6","1") = "6"
    & skf21("2","1","4","7","5","1","7","1") = "6"
    & skf21("2","1","4","7","5","2","1","1") = "6"
    & skf21("2","1","4","7","5","2","2","1") = "6"
    & skf21("2","1","4","7","5","2","3","1") = "6"
    & skf21("2","1","4","7","5","2","4","1") = "6"
    & skf21("2","1","4","7","5","2","5","1") = "6"
    & skf21("2","1","4","7","5","2","6","1") = "6"
    & skf21("2","1","4","7","5","2","7","1") = "6"
    & skf21("2","1","4","7","5","3","1","1") = "6"
    & skf21("2","1","4","7","5","3","2","1") = "6"
    & skf21("2","1","4","7","5","3","3","1") = "6"
    & skf21("2","1","4","7","5","3","4","1") = "6"
    & skf21("2","1","4","7","5","3","5","1") = "6"
    & skf21("2","1","4","7","5","3","6","1") = "6"
    & skf21("2","1","4","7","5","3","7","1") = "6"
    & skf21("2","1","4","7","5","4","1","1") = "6"
    & skf21("2","1","4","7","5","4","2","1") = "6"
    & skf21("2","1","4","7","5","4","3","1") = "6"
    & skf21("2","1","4","7","5","4","4","1") = "6"
    & skf21("2","1","4","7","5","4","5","1") = "6"
    & skf21("2","1","4","7","5","4","6","1") = "6"
    & skf21("2","1","4","7","5","4","7","1") = "6"
    & skf21("2","1","4","7","5","5","1","1") = "6"
    & skf21("2","1","4","7","5","5","2","1") = "6"
    & skf21("2","1","4","7","5","5","3","1") = "6"
    & skf21("2","1","4","7","5","5","4","1") = "6"
    & skf21("2","1","4","7","5","5","5","1") = "6"
    & skf21("2","1","4","7","5","5","6","1") = "6"
    & skf21("2","1","4","7","5","5","7","1") = "6"
    & skf21("2","1","4","7","5","6","1","1") = "6"
    & skf21("2","1","4","7","5","6","2","1") = "6"
    & skf21("2","1","4","7","5","6","3","1") = "6"
    & skf21("2","1","4","7","5","6","4","1") = "6"
    & skf21("2","1","4","7","5","6","5","1") = "6"
    & skf21("2","1","4","7","5","6","6","1") = "6"
    & skf21("2","1","4","7","5","6","7","1") = "6"
    & skf21("2","1","4","7","5","7","1","1") = "6"
    & skf21("2","1","4","7","5","7","2","1") = "6"
    & skf21("2","1","4","7","5","7","3","1") = "6"
    & skf21("2","1","4","7","5","7","4","1") = "6"
    & skf21("2","1","4","7","5","7","5","1") = "6"
    & skf21("2","1","4","7","5","7","6","1") = "6"
    & skf21("2","1","4","7","5","7","7","1") = "6"
    & skf21("2","1","4","7","6","1","1","1") = "6"
    & skf21("2","1","4","7","6","1","2","1") = "6"
    & skf21("2","1","4","7","6","1","3","1") = "6"
    & skf21("2","1","4","7","6","1","4","1") = "6"
    & skf21("2","1","4","7","6","1","5","1") = "6"
    & skf21("2","1","4","7","6","1","6","1") = "6"
    & skf21("2","1","4","7","6","1","7","1") = "6"
    & skf21("2","1","4","7","6","2","1","1") = "6"
    & skf21("2","1","4","7","6","2","2","1") = "6"
    & skf21("2","1","4","7","6","2","3","1") = "6"
    & skf21("2","1","4","7","6","2","4","1") = "6"
    & skf21("2","1","4","7","6","2","5","1") = "6"
    & skf21("2","1","4","7","6","2","6","1") = "6"
    & skf21("2","1","4","7","6","2","7","1") = "6"
    & skf21("2","1","4","7","6","3","1","1") = "6"
    & skf21("2","1","4","7","6","3","2","1") = "6"
    & skf21("2","1","4","7","6","3","3","1") = "6"
    & skf21("2","1","4","7","6","3","4","1") = "6"
    & skf21("2","1","4","7","6","3","5","1") = "6"
    & skf21("2","1","4","7","6","3","6","1") = "6"
    & skf21("2","1","4","7","6","3","7","1") = "6"
    & skf21("2","1","4","7","6","4","1","1") = "6"
    & skf21("2","1","4","7","6","4","2","1") = "6"
    & skf21("2","1","4","7","6","4","3","1") = "6"
    & skf21("2","1","4","7","6","4","4","1") = "6"
    & skf21("2","1","4","7","6","4","5","1") = "6"
    & skf21("2","1","4","7","6","4","6","1") = "6"
    & skf21("2","1","4","7","6","4","7","1") = "6"
    & skf21("2","1","4","7","6","5","1","1") = "6"
    & skf21("2","1","4","7","6","5","2","1") = "6"
    & skf21("2","1","4","7","6","5","3","1") = "6"
    & skf21("2","1","4","7","6","5","4","1") = "6"
    & skf21("2","1","4","7","6","5","5","1") = "6"
    & skf21("2","1","4","7","6","5","6","1") = "6"
    & skf21("2","1","4","7","6","5","7","1") = "6"
    & skf21("2","1","4","7","6","6","1","1") = "6"
    & skf21("2","1","4","7","6","6","2","1") = "6"
    & skf21("2","1","4","7","6","6","3","1") = "6"
    & skf21("2","1","4","7","6","6","4","1") = "6"
    & skf21("2","1","4","7","6","6","5","1") = "6"
    & skf21("2","1","4","7","6","6","6","1") = "6"
    & skf21("2","1","4","7","6","6","7","1") = "6"
    & skf21("2","1","4","7","6","7","1","1") = "6"
    & skf21("2","1","4","7","6","7","2","1") = "6"
    & skf21("2","1","4","7","6","7","3","1") = "6"
    & skf21("2","1","4","7","6","7","4","1") = "6"
    & skf21("2","1","4","7","6","7","5","1") = "6"
    & skf21("2","1","4","7","6","7","6","1") = "6"
    & skf21("2","1","4","7","6","7","7","1") = "6"
    & skf21("2","1","4","7","7","1","1","1") = "6"
    & skf21("2","1","4","7","7","1","2","1") = "6"
    & skf21("2","1","4","7","7","1","3","1") = "6"
    & skf21("2","1","4","7","7","1","4","1") = "6"
    & skf21("2","1","4","7","7","1","5","1") = "6"
    & skf21("2","1","4","7","7","1","6","1") = "6"
    & skf21("2","1","4","7","7","1","7","1") = "6"
    & skf21("2","1","4","7","7","2","1","1") = "6"
    & skf21("2","1","4","7","7","2","2","1") = "6"
    & skf21("2","1","4","7","7","2","3","1") = "6"
    & skf21("2","1","4","7","7","2","4","1") = "6"
    & skf21("2","1","4","7","7","2","5","1") = "6"
    & skf21("2","1","4","7","7","2","6","1") = "6"
    & skf21("2","1","4","7","7","2","7","1") = "6"
    & skf21("2","1","4","7","7","3","1","1") = "6"
    & skf21("2","1","4","7","7","3","2","1") = "6"
    & skf21("2","1","4","7","7","3","3","1") = "6"
    & skf21("2","1","4","7","7","3","4","1") = "6"
    & skf21("2","1","4","7","7","3","5","1") = "6"
    & skf21("2","1","4","7","7","3","6","1") = "6"
    & skf21("2","1","4","7","7","3","7","1") = "6"
    & skf21("2","1","4","7","7","4","1","1") = "6"
    & skf21("2","1","4","7","7","4","2","1") = "6"
    & skf21("2","1","4","7","7","4","3","1") = "6"
    & skf21("2","1","4","7","7","4","4","1") = "6"
    & skf21("2","1","4","7","7","4","5","1") = "6"
    & skf21("2","1","4","7","7","4","6","1") = "6"
    & skf21("2","1","4","7","7","4","7","1") = "6"
    & skf21("2","1","4","7","7","5","1","1") = "6"
    & skf21("2","1","4","7","7","5","2","1") = "6"
    & skf21("2","1","4","7","7","5","3","1") = "6"
    & skf21("2","1","4","7","7","5","4","1") = "6"
    & skf21("2","1","4","7","7","5","5","1") = "6"
    & skf21("2","1","4","7","7","5","6","1") = "6"
    & skf21("2","1","4","7","7","5","7","1") = "6"
    & skf21("2","1","4","7","7","6","1","1") = "6"
    & skf21("2","1","4","7","7","6","2","1") = "6"
    & skf21("2","1","4","7","7","6","3","1") = "6"
    & skf21("2","1","4","7","7","6","4","1") = "6"
    & skf21("2","1","4","7","7","6","5","1") = "6"
    & skf21("2","1","4","7","7","6","6","1") = "6"
    & skf21("2","1","4","7","7","6","7","1") = "6"
    & skf21("2","1","4","7","7","7","1","1") = "6"
    & skf21("2","1","4","7","7","7","2","1") = "6"
    & skf21("2","1","4","7","7","7","3","1") = "6"
    & skf21("2","1","4","7","7","7","4","1") = "6"
    & skf21("2","1","4","7","7","7","5","1") = "6"
    & skf21("2","1","4","7","7","7","6","1") = "6"
    & skf21("2","1","4","7","7","7","7","1") = "6"
    & skf21("2","1","5","1","1","1","1","1") = "4"
    & skf21("2","1","5","1","1","1","2","1") = "4"
    & skf21("2","1","5","1","1","1","3","1") = "4"
    & skf21("2","1","5","1","1","1","4","1") = "4"
    & skf21("2","1","5","1","1","1","5","1") = "4"
    & skf21("2","1","5","1","1","1","6","1") = "5"
    & skf21("2","1","5","1","1","1","7","1") = "6"
    & skf21("2","1","5","1","1","2","1","1") = "4"
    & skf21("2","1","5","1","1","2","2","1") = "4"
    & skf21("2","1","5","1","1","2","3","1") = "4"
    & skf21("2","1","5","1","1","2","4","1") = "4"
    & skf21("2","1","5","1","1","2","5","1") = "4"
    & skf21("2","1","5","1","1","2","6","1") = "5"
    & skf21("2","1","5","1","1","2","7","1") = "6"
    & skf21("2","1","5","1","1","3","1","1") = "4"
    & skf21("2","1","5","1","1","3","2","1") = "4"
    & skf21("2","1","5","1","1","3","3","1") = "4"
    & skf21("2","1","5","1","1","3","4","1") = "4"
    & skf21("2","1","5","1","1","3","5","1") = "4"
    & skf21("2","1","5","1","1","3","6","1") = "5"
    & skf21("2","1","5","1","1","3","7","1") = "6"
    & skf21("2","1","5","1","1","4","1","1") = "4"
    & skf21("2","1","5","1","1","4","2","1") = "4"
    & skf21("2","1","5","1","1","4","3","1") = "4"
    & skf21("2","1","5","1","1","4","4","1") = "4"
    & skf21("2","1","5","1","1","4","5","1") = "4"
    & skf21("2","1","5","1","1","4","6","1") = "5"
    & skf21("2","1","5","1","1","4","7","1") = "6"
    & skf21("2","1","5","1","1","5","1","1") = "4"
    & skf21("2","1","5","1","1","5","2","1") = "4"
    & skf21("2","1","5","1","1","5","3","1") = "4"
    & skf21("2","1","5","1","1","5","4","1") = "4"
    & skf21("2","1","5","1","1","5","5","1") = "4"
    & skf21("2","1","5","1","1","5","6","1") = "5"
    & skf21("2","1","5","1","1","5","7","1") = "6"
    & skf21("2","1","5","1","1","6","1","1") = "5"
    & skf21("2","1","5","1","1","6","2","1") = "5"
    & skf21("2","1","5","1","1","6","3","1") = "5"
    & skf21("2","1","5","1","1","6","4","1") = "5"
    & skf21("2","1","5","1","1","6","5","1") = "5"
    & skf21("2","1","5","1","1","6","6","1") = "5"
    & skf21("2","1","5","1","1","6","7","1") = "6"
    & skf21("2","1","5","1","1","7","1","1") = "6"
    & skf21("2","1","5","1","1","7","2","1") = "6"
    & skf21("2","1","5","1","1","7","3","1") = "6"
    & skf21("2","1","5","1","1","7","4","1") = "6"
    & skf21("2","1","5","1","1","7","5","1") = "6"
    & skf21("2","1","5","1","1","7","6","1") = "6"
    & skf21("2","1","5","1","1","7","7","1") = "6"
    & skf21("2","1","5","1","2","1","1","1") = "4"
    & skf21("2","1","5","1","2","1","2","1") = "4"
    & skf21("2","1","5","1","2","1","3","1") = "4"
    & skf21("2","1","5","1","2","1","4","1") = "4"
    & skf21("2","1","5","1","2","1","5","1") = "4"
    & skf21("2","1","5","1","2","1","6","1") = "5"
    & skf21("2","1","5","1","2","1","7","1") = "6"
    & skf21("2","1","5","1","2","2","1","1") = "4"
    & skf21("2","1","5","1","2","2","2","1") = "4"
    & skf21("2","1","5","1","2","2","3","1") = "4"
    & skf21("2","1","5","1","2","2","4","1") = "4"
    & skf21("2","1","5","1","2","2","5","1") = "4"
    & skf21("2","1","5","1","2","2","6","1") = "5"
    & skf21("2","1","5","1","2","2","7","1") = "6"
    & skf21("2","1","5","1","2","3","1","1") = "4"
    & skf21("2","1","5","1","2","3","2","1") = "4"
    & skf21("2","1","5","1","2","3","3","1") = "4"
    & skf21("2","1","5","1","2","3","4","1") = "4"
    & skf21("2","1","5","1","2","3","5","1") = "4"
    & skf21("2","1","5","1","2","3","6","1") = "5"
    & skf21("2","1","5","1","2","3","7","1") = "6"
    & skf21("2","1","5","1","2","4","1","1") = "4"
    & skf21("2","1","5","1","2","4","2","1") = "4"
    & skf21("2","1","5","1","2","4","3","1") = "4"
    & skf21("2","1","5","1","2","4","4","1") = "4"
    & skf21("2","1","5","1","2","4","5","1") = "4"
    & skf21("2","1","5","1","2","4","6","1") = "5"
    & skf21("2","1","5","1","2","4","7","1") = "6"
    & skf21("2","1","5","1","2","5","1","1") = "4"
    & skf21("2","1","5","1","2","5","2","1") = "4"
    & skf21("2","1","5","1","2","5","3","1") = "4"
    & skf21("2","1","5","1","2","5","4","1") = "4"
    & skf21("2","1","5","1","2","5","5","1") = "4"
    & skf21("2","1","5","1","2","5","6","1") = "5"
    & skf21("2","1","5","1","2","5","7","1") = "6"
    & skf21("2","1","5","1","2","6","1","1") = "5"
    & skf21("2","1","5","1","2","6","2","1") = "5"
    & skf21("2","1","5","1","2","6","3","1") = "5"
    & skf21("2","1","5","1","2","6","4","1") = "5"
    & skf21("2","1","5","1","2","6","5","1") = "5"
    & skf21("2","1","5","1","2","6","6","1") = "5"
    & skf21("2","1","5","1","2","6","7","1") = "6"
    & skf21("2","1","5","1","2","7","1","1") = "6"
    & skf21("2","1","5","1","2","7","2","1") = "6"
    & skf21("2","1","5","1","2","7","3","1") = "6"
    & skf21("2","1","5","1","2","7","4","1") = "6"
    & skf21("2","1","5","1","2","7","5","1") = "6"
    & skf21("2","1","5","1","2","7","6","1") = "6"
    & skf21("2","1","5","1","2","7","7","1") = "6"
    & skf21("2","1","5","1","3","1","1","1") = "4"
    & skf21("2","1","5","1","3","1","2","1") = "4"
    & skf21("2","1","5","1","3","1","3","1") = "4"
    & skf21("2","1","5","1","3","1","4","1") = "4"
    & skf21("2","1","5","1","3","1","5","1") = "4"
    & skf21("2","1","5","1","3","1","6","1") = "5"
    & skf21("2","1","5","1","3","1","7","1") = "6"
    & skf21("2","1","5","1","3","2","1","1") = "4"
    & skf21("2","1","5","1","3","2","2","1") = "4"
    & skf21("2","1","5","1","3","2","3","1") = "4"
    & skf21("2","1","5","1","3","2","4","1") = "4"
    & skf21("2","1","5","1","3","2","5","1") = "4"
    & skf21("2","1","5","1","3","2","6","1") = "5"
    & skf21("2","1","5","1","3","2","7","1") = "6"
    & skf21("2","1","5","1","3","3","1","1") = "4"
    & skf21("2","1","5","1","3","3","2","1") = "4"
    & skf21("2","1","5","1","3","3","3","1") = "4"
    & skf21("2","1","5","1","3","3","4","1") = "4"
    & skf21("2","1","5","1","3","3","5","1") = "4"
    & skf21("2","1","5","1","3","3","6","1") = "5"
    & skf21("2","1","5","1","3","3","7","1") = "6"
    & skf21("2","1","5","1","3","4","1","1") = "4"
    & skf21("2","1","5","1","3","4","2","1") = "4"
    & skf21("2","1","5","1","3","4","3","1") = "4"
    & skf21("2","1","5","1","3","4","4","1") = "4"
    & skf21("2","1","5","1","3","4","5","1") = "4"
    & skf21("2","1","5","1","3","4","6","1") = "5"
    & skf21("2","1","5","1","3","4","7","1") = "6"
    & skf21("2","1","5","1","3","5","1","1") = "4"
    & skf21("2","1","5","1","3","5","2","1") = "4"
    & skf21("2","1","5","1","3","5","3","1") = "4"
    & skf21("2","1","5","1","3","5","4","1") = "4"
    & skf21("2","1","5","1","3","5","5","1") = "4"
    & skf21("2","1","5","1","3","5","6","1") = "5"
    & skf21("2","1","5","1","3","5","7","1") = "6"
    & skf21("2","1","5","1","3","6","1","1") = "5"
    & skf21("2","1","5","1","3","6","2","1") = "5"
    & skf21("2","1","5","1","3","6","3","1") = "5"
    & skf21("2","1","5","1","3","6","4","1") = "5"
    & skf21("2","1","5","1","3","6","5","1") = "5"
    & skf21("2","1","5","1","3","6","6","1") = "5"
    & skf21("2","1","5","1","3","6","7","1") = "6"
    & skf21("2","1","5","1","3","7","1","1") = "6"
    & skf21("2","1","5","1","3","7","2","1") = "6"
    & skf21("2","1","5","1","3","7","3","1") = "6"
    & skf21("2","1","5","1","3","7","4","1") = "6"
    & skf21("2","1","5","1","3","7","5","1") = "6"
    & skf21("2","1","5","1","3","7","6","1") = "6"
    & skf21("2","1","5","1","3","7","7","1") = "6"
    & skf21("2","1","5","1","4","1","1","1") = "4"
    & skf21("2","1","5","1","4","1","2","1") = "4"
    & skf21("2","1","5","1","4","1","3","1") = "4"
    & skf21("2","1","5","1","4","1","4","1") = "4"
    & skf21("2","1","5","1","4","1","5","1") = "4"
    & skf21("2","1","5","1","4","1","6","1") = "5"
    & skf21("2","1","5","1","4","1","7","1") = "6"
    & skf21("2","1","5","1","4","2","1","1") = "4"
    & skf21("2","1","5","1","4","2","2","1") = "4"
    & skf21("2","1","5","1","4","2","3","1") = "4"
    & skf21("2","1","5","1","4","2","4","1") = "4"
    & skf21("2","1","5","1","4","2","5","1") = "4"
    & skf21("2","1","5","1","4","2","6","1") = "5"
    & skf21("2","1","5","1","4","2","7","1") = "6"
    & skf21("2","1","5","1","4","3","1","1") = "4"
    & skf21("2","1","5","1","4","3","2","1") = "4"
    & skf21("2","1","5","1","4","3","3","1") = "4"
    & skf21("2","1","5","1","4","3","4","1") = "4"
    & skf21("2","1","5","1","4","3","5","1") = "4"
    & skf21("2","1","5","1","4","3","6","1") = "5"
    & skf21("2","1","5","1","4","3","7","1") = "6"
    & skf21("2","1","5","1","4","4","1","1") = "4"
    & skf21("2","1","5","1","4","4","2","1") = "4"
    & skf21("2","1","5","1","4","4","3","1") = "4"
    & skf21("2","1","5","1","4","4","4","1") = "4"
    & skf21("2","1","5","1","4","4","5","1") = "4"
    & skf21("2","1","5","1","4","4","6","1") = "5"
    & skf21("2","1","5","1","4","4","7","1") = "6"
    & skf21("2","1","5","1","4","5","1","1") = "4"
    & skf21("2","1","5","1","4","5","2","1") = "4"
    & skf21("2","1","5","1","4","5","3","1") = "4"
    & skf21("2","1","5","1","4","5","4","1") = "4"
    & skf21("2","1","5","1","4","5","5","1") = "4"
    & skf21("2","1","5","1","4","5","6","1") = "5"
    & skf21("2","1","5","1","4","5","7","1") = "6"
    & skf21("2","1","5","1","4","6","1","1") = "5"
    & skf21("2","1","5","1","4","6","2","1") = "5"
    & skf21("2","1","5","1","4","6","3","1") = "5"
    & skf21("2","1","5","1","4","6","4","1") = "5"
    & skf21("2","1","5","1","4","6","5","1") = "5"
    & skf21("2","1","5","1","4","6","6","1") = "5"
    & skf21("2","1","5","1","4","6","7","1") = "6"
    & skf21("2","1","5","1","4","7","1","1") = "6"
    & skf21("2","1","5","1","4","7","2","1") = "6"
    & skf21("2","1","5","1","4","7","3","1") = "6"
    & skf21("2","1","5","1","4","7","4","1") = "6"
    & skf21("2","1","5","1","4","7","5","1") = "6"
    & skf21("2","1","5","1","4","7","6","1") = "6"
    & skf21("2","1","5","1","4","7","7","1") = "6"
    & skf21("2","1","5","1","5","1","1","1") = "4"
    & skf21("2","1","5","1","5","1","2","1") = "4"
    & skf21("2","1","5","1","5","1","3","1") = "4"
    & skf21("2","1","5","1","5","1","4","1") = "4"
    & skf21("2","1","5","1","5","1","5","1") = "4"
    & skf21("2","1","5","1","5","1","6","1") = "5"
    & skf21("2","1","5","1","5","1","7","1") = "6"
    & skf21("2","1","5","1","5","2","1","1") = "4"
    & skf21("2","1","5","1","5","2","2","1") = "4"
    & skf21("2","1","5","1","5","2","3","1") = "4"
    & skf21("2","1","5","1","5","2","4","1") = "4"
    & skf21("2","1","5","1","5","2","5","1") = "4"
    & skf21("2","1","5","1","5","2","6","1") = "5"
    & skf21("2","1","5","1","5","2","7","1") = "6"
    & skf21("2","1","5","1","5","3","1","1") = "4"
    & skf21("2","1","5","1","5","3","2","1") = "4"
    & skf21("2","1","5","1","5","3","3","1") = "4"
    & skf21("2","1","5","1","5","3","4","1") = "4"
    & skf21("2","1","5","1","5","3","5","1") = "4"
    & skf21("2","1","5","1","5","3","6","1") = "5"
    & skf21("2","1","5","1","5","3","7","1") = "6"
    & skf21("2","1","5","1","5","4","1","1") = "4"
    & skf21("2","1","5","1","5","4","2","1") = "4"
    & skf21("2","1","5","1","5","4","3","1") = "4"
    & skf21("2","1","5","1","5","4","4","1") = "4"
    & skf21("2","1","5","1","5","4","5","1") = "4"
    & skf21("2","1","5","1","5","4","6","1") = "5"
    & skf21("2","1","5","1","5","4","7","1") = "6"
    & skf21("2","1","5","1","5","5","1","1") = "4"
    & skf21("2","1","5","1","5","5","2","1") = "4"
    & skf21("2","1","5","1","5","5","3","1") = "4"
    & skf21("2","1","5","1","5","5","4","1") = "4"
    & skf21("2","1","5","1","5","5","5","1") = "4"
    & skf21("2","1","5","1","5","5","6","1") = "5"
    & skf21("2","1","5","1","5","5","7","1") = "6"
    & skf21("2","1","5","1","5","6","1","1") = "5"
    & skf21("2","1","5","1","5","6","2","1") = "5"
    & skf21("2","1","5","1","5","6","3","1") = "5"
    & skf21("2","1","5","1","5","6","4","1") = "5"
    & skf21("2","1","5","1","5","6","5","1") = "5"
    & skf21("2","1","5","1","5","6","6","1") = "5"
    & skf21("2","1","5","1","5","6","7","1") = "6"
    & skf21("2","1","5","1","5","7","1","1") = "6"
    & skf21("2","1","5","1","5","7","2","1") = "6"
    & skf21("2","1","5","1","5","7","3","1") = "6"
    & skf21("2","1","5","1","5","7","4","1") = "6"
    & skf21("2","1","5","1","5","7","5","1") = "6"
    & skf21("2","1","5","1","5","7","6","1") = "6"
    & skf21("2","1","5","1","5","7","7","1") = "6"
    & skf21("2","1","5","1","6","1","1","1") = "5"
    & skf21("2","1","5","1","6","1","2","1") = "5"
    & skf21("2","1","5","1","6","1","3","1") = "5"
    & skf21("2","1","5","1","6","1","4","1") = "5"
    & skf21("2","1","5","1","6","1","5","1") = "5"
    & skf21("2","1","5","1","6","1","6","1") = "5"
    & skf21("2","1","5","1","6","1","7","1") = "6"
    & skf21("2","1","5","1","6","2","1","1") = "5"
    & skf21("2","1","5","1","6","2","2","1") = "5"
    & skf21("2","1","5","1","6","2","3","1") = "5"
    & skf21("2","1","5","1","6","2","4","1") = "5"
    & skf21("2","1","5","1","6","2","5","1") = "5"
    & skf21("2","1","5","1","6","2","6","1") = "5"
    & skf21("2","1","5","1","6","2","7","1") = "6"
    & skf21("2","1","5","1","6","3","1","1") = "5"
    & skf21("2","1","5","1","6","3","2","1") = "5"
    & skf21("2","1","5","1","6","3","3","1") = "5"
    & skf21("2","1","5","1","6","3","4","1") = "5"
    & skf21("2","1","5","1","6","3","5","1") = "5"
    & skf21("2","1","5","1","6","3","6","1") = "5"
    & skf21("2","1","5","1","6","3","7","1") = "6"
    & skf21("2","1","5","1","6","4","1","1") = "5"
    & skf21("2","1","5","1","6","4","2","1") = "5"
    & skf21("2","1","5","1","6","4","3","1") = "5"
    & skf21("2","1","5","1","6","4","4","1") = "5"
    & skf21("2","1","5","1","6","4","5","1") = "5"
    & skf21("2","1","5","1","6","4","6","1") = "5"
    & skf21("2","1","5","1","6","4","7","1") = "6"
    & skf21("2","1","5","1","6","5","1","1") = "5"
    & skf21("2","1","5","1","6","5","2","1") = "5"
    & skf21("2","1","5","1","6","5","3","1") = "5"
    & skf21("2","1","5","1","6","5","4","1") = "5"
    & skf21("2","1","5","1","6","5","5","1") = "5"
    & skf21("2","1","5","1","6","5","6","1") = "5"
    & skf21("2","1","5","1","6","5","7","1") = "6"
    & skf21("2","1","5","1","6","6","1","1") = "5"
    & skf21("2","1","5","1","6","6","2","1") = "5"
    & skf21("2","1","5","1","6","6","3","1") = "5"
    & skf21("2","1","5","1","6","6","4","1") = "5"
    & skf21("2","1","5","1","6","6","5","1") = "5"
    & skf21("2","1","5","1","6","6","6","1") = "5"
    & skf21("2","1","5","1","6","6","7","1") = "6"
    & skf21("2","1","5","1","6","7","1","1") = "6"
    & skf21("2","1","5","1","6","7","2","1") = "6"
    & skf21("2","1","5","1","6","7","3","1") = "6"
    & skf21("2","1","5","1","6","7","4","1") = "6"
    & skf21("2","1","5","1","6","7","5","1") = "6"
    & skf21("2","1","5","1","6","7","6","1") = "6"
    & skf21("2","1","5","1","6","7","7","1") = "6"
    & skf21("2","1","5","1","7","1","1","1") = "6"
    & skf21("2","1","5","1","7","1","2","1") = "6"
    & skf21("2","1","5","1","7","1","3","1") = "6"
    & skf21("2","1","5","1","7","1","4","1") = "6"
    & skf21("2","1","5","1","7","1","5","1") = "6"
    & skf21("2","1","5","1","7","1","6","1") = "6"
    & skf21("2","1","5","1","7","1","7","1") = "6"
    & skf21("2","1","5","1","7","2","1","1") = "6"
    & skf21("2","1","5","1","7","2","2","1") = "6"
    & skf21("2","1","5","1","7","2","3","1") = "6"
    & skf21("2","1","5","1","7","2","4","1") = "6"
    & skf21("2","1","5","1","7","2","5","1") = "6"
    & skf21("2","1","5","1","7","2","6","1") = "6"
    & skf21("2","1","5","1","7","2","7","1") = "6"
    & skf21("2","1","5","1","7","3","1","1") = "6"
    & skf21("2","1","5","1","7","3","2","1") = "6"
    & skf21("2","1","5","1","7","3","3","1") = "6"
    & skf21("2","1","5","1","7","3","4","1") = "6"
    & skf21("2","1","5","1","7","3","5","1") = "6"
    & skf21("2","1","5","1","7","3","6","1") = "6"
    & skf21("2","1","5","1","7","3","7","1") = "6"
    & skf21("2","1","5","1","7","4","1","1") = "6"
    & skf21("2","1","5","1","7","4","2","1") = "6"
    & skf21("2","1","5","1","7","4","3","1") = "6"
    & skf21("2","1","5","1","7","4","4","1") = "6"
    & skf21("2","1","5","1","7","4","5","1") = "6"
    & skf21("2","1","5","1","7","4","6","1") = "6"
    & skf21("2","1","5","1","7","4","7","1") = "6"
    & skf21("2","1","5","1","7","5","1","1") = "6"
    & skf21("2","1","5","1","7","5","2","1") = "6"
    & skf21("2","1","5","1","7","5","3","1") = "6"
    & skf21("2","1","5","1","7","5","4","1") = "6"
    & skf21("2","1","5","1","7","5","5","1") = "6"
    & skf21("2","1","5","1","7","5","6","1") = "6"
    & skf21("2","1","5","1","7","5","7","1") = "6"
    & skf21("2","1","5","1","7","6","1","1") = "6"
    & skf21("2","1","5","1","7","6","2","1") = "6"
    & skf21("2","1","5","1","7","6","3","1") = "6"
    & skf21("2","1","5","1","7","6","4","1") = "6"
    & skf21("2","1","5","1","7","6","5","1") = "6"
    & skf21("2","1","5","1","7","6","6","1") = "6"
    & skf21("2","1","5","1","7","6","7","1") = "6"
    & skf21("2","1","5","1","7","7","1","1") = "6"
    & skf21("2","1","5","1","7","7","2","1") = "6"
    & skf21("2","1","5","1","7","7","3","1") = "6"
    & skf21("2","1","5","1","7","7","4","1") = "6"
    & skf21("2","1","5","1","7","7","5","1") = "6"
    & skf21("2","1","5","1","7","7","6","1") = "6"
    & skf21("2","1","5","1","7","7","7","1") = "6"
    & skf21("2","1","5","2","1","1","1","1") = "4"
    & skf21("2","1","5","2","1","1","2","1") = "4"
    & skf21("2","1","5","2","1","1","3","1") = "4"
    & skf21("2","1","5","2","1","1","4","1") = "4"
    & skf21("2","1","5","2","1","1","5","1") = "4"
    & skf21("2","1","5","2","1","1","6","1") = "5"
    & skf21("2","1","5","2","1","1","7","1") = "6"
    & skf21("2","1","5","2","1","2","1","1") = "4"
    & skf21("2","1","5","2","1","2","2","1") = "4"
    & skf21("2","1","5","2","1","2","3","1") = "4"
    & skf21("2","1","5","2","1","2","4","1") = "4"
    & skf21("2","1","5","2","1","2","5","1") = "4"
    & skf21("2","1","5","2","1","2","6","1") = "5"
    & skf21("2","1","5","2","1","2","7","1") = "6"
    & skf21("2","1","5","2","1","3","1","1") = "4"
    & skf21("2","1","5","2","1","3","2","1") = "4"
    & skf21("2","1","5","2","1","3","3","1") = "4"
    & skf21("2","1","5","2","1","3","4","1") = "4"
    & skf21("2","1","5","2","1","3","5","1") = "4"
    & skf21("2","1","5","2","1","3","6","1") = "5"
    & skf21("2","1","5","2","1","3","7","1") = "6"
    & skf21("2","1","5","2","1","4","1","1") = "4"
    & skf21("2","1","5","2","1","4","2","1") = "4"
    & skf21("2","1","5","2","1","4","3","1") = "4"
    & skf21("2","1","5","2","1","4","4","1") = "4"
    & skf21("2","1","5","2","1","4","5","1") = "4"
    & skf21("2","1","5","2","1","4","6","1") = "5"
    & skf21("2","1","5","2","1","4","7","1") = "6"
    & skf21("2","1","5","2","1","5","1","1") = "4"
    & skf21("2","1","5","2","1","5","2","1") = "4"
    & skf21("2","1","5","2","1","5","3","1") = "4"
    & skf21("2","1","5","2","1","5","4","1") = "4"
    & skf21("2","1","5","2","1","5","5","1") = "4"
    & skf21("2","1","5","2","1","5","6","1") = "5"
    & skf21("2","1","5","2","1","5","7","1") = "6"
    & skf21("2","1","5","2","1","6","1","1") = "5"
    & skf21("2","1","5","2","1","6","2","1") = "5"
    & skf21("2","1","5","2","1","6","3","1") = "5"
    & skf21("2","1","5","2","1","6","4","1") = "5"
    & skf21("2","1","5","2","1","6","5","1") = "5"
    & skf21("2","1","5","2","1","6","6","1") = "5"
    & skf21("2","1","5","2","1","6","7","1") = "6"
    & skf21("2","1","5","2","1","7","1","1") = "6"
    & skf21("2","1","5","2","1","7","2","1") = "6"
    & skf21("2","1","5","2","1","7","3","1") = "6"
    & skf21("2","1","5","2","1","7","4","1") = "6"
    & skf21("2","1","5","2","1","7","5","1") = "6"
    & skf21("2","1","5","2","1","7","6","1") = "6"
    & skf21("2","1","5","2","1","7","7","1") = "6"
    & skf21("2","1","5","2","2","1","1","1") = "4"
    & skf21("2","1","5","2","2","1","2","1") = "4"
    & skf21("2","1","5","2","2","1","3","1") = "4"
    & skf21("2","1","5","2","2","1","4","1") = "4"
    & skf21("2","1","5","2","2","1","5","1") = "4"
    & skf21("2","1","5","2","2","1","6","1") = "5"
    & skf21("2","1","5","2","2","1","7","1") = "6"
    & skf21("2","1","5","2","2","2","1","1") = "4"
    & skf21("2","1","5","2","2","2","2","1") = "4"
    & skf21("2","1","5","2","2","2","3","1") = "4"
    & skf21("2","1","5","2","2","2","4","1") = "4"
    & skf21("2","1","5","2","2","2","5","1") = "4"
    & skf21("2","1","5","2","2","2","6","1") = "5"
    & skf21("2","1","5","2","2","2","7","1") = "6"
    & skf21("2","1","5","2","2","3","1","1") = "4"
    & skf21("2","1","5","2","2","3","2","1") = "4"
    & skf21("2","1","5","2","2","3","3","1") = "4"
    & skf21("2","1","5","2","2","3","4","1") = "4"
    & skf21("2","1","5","2","2","3","5","1") = "4"
    & skf21("2","1","5","2","2","3","6","1") = "5"
    & skf21("2","1","5","2","2","3","7","1") = "6"
    & skf21("2","1","5","2","2","4","1","1") = "4"
    & skf21("2","1","5","2","2","4","2","1") = "4"
    & skf21("2","1","5","2","2","4","3","1") = "4"
    & skf21("2","1","5","2","2","4","4","1") = "4"
    & skf21("2","1","5","2","2","4","5","1") = "4"
    & skf21("2","1","5","2","2","4","6","1") = "5"
    & skf21("2","1","5","2","2","4","7","1") = "6"
    & skf21("2","1","5","2","2","5","1","1") = "4"
    & skf21("2","1","5","2","2","5","2","1") = "4"
    & skf21("2","1","5","2","2","5","3","1") = "4"
    & skf21("2","1","5","2","2","5","4","1") = "4"
    & skf21("2","1","5","2","2","5","5","1") = "4"
    & skf21("2","1","5","2","2","5","6","1") = "5"
    & skf21("2","1","5","2","2","5","7","1") = "6"
    & skf21("2","1","5","2","2","6","1","1") = "5"
    & skf21("2","1","5","2","2","6","2","1") = "5"
    & skf21("2","1","5","2","2","6","3","1") = "5"
    & skf21("2","1","5","2","2","6","4","1") = "5"
    & skf21("2","1","5","2","2","6","5","1") = "5"
    & skf21("2","1","5","2","2","6","6","1") = "5"
    & skf21("2","1","5","2","2","6","7","1") = "6"
    & skf21("2","1","5","2","2","7","1","1") = "6"
    & skf21("2","1","5","2","2","7","2","1") = "6"
    & skf21("2","1","5","2","2","7","3","1") = "6"
    & skf21("2","1","5","2","2","7","4","1") = "6"
    & skf21("2","1","5","2","2","7","5","1") = "6"
    & skf21("2","1","5","2","2","7","6","1") = "6"
    & skf21("2","1","5","2","2","7","7","1") = "6"
    & skf21("2","1","5","2","3","1","1","1") = "4"
    & skf21("2","1","5","2","3","1","2","1") = "4"
    & skf21("2","1","5","2","3","1","3","1") = "4"
    & skf21("2","1","5","2","3","1","4","1") = "4"
    & skf21("2","1","5","2","3","1","5","1") = "4"
    & skf21("2","1","5","2","3","1","6","1") = "5"
    & skf21("2","1","5","2","3","1","7","1") = "6"
    & skf21("2","1","5","2","3","2","1","1") = "4"
    & skf21("2","1","5","2","3","2","2","1") = "4"
    & skf21("2","1","5","2","3","2","3","1") = "4"
    & skf21("2","1","5","2","3","2","4","1") = "4"
    & skf21("2","1","5","2","3","2","5","1") = "4"
    & skf21("2","1","5","2","3","2","6","1") = "5"
    & skf21("2","1","5","2","3","2","7","1") = "6"
    & skf21("2","1","5","2","3","3","1","1") = "4"
    & skf21("2","1","5","2","3","3","2","1") = "4"
    & skf21("2","1","5","2","3","3","3","1") = "4"
    & skf21("2","1","5","2","3","3","4","1") = "4"
    & skf21("2","1","5","2","3","3","5","1") = "4"
    & skf21("2","1","5","2","3","3","6","1") = "5"
    & skf21("2","1","5","2","3","3","7","1") = "6"
    & skf21("2","1","5","2","3","4","1","1") = "4"
    & skf21("2","1","5","2","3","4","2","1") = "4"
    & skf21("2","1","5","2","3","4","3","1") = "4"
    & skf21("2","1","5","2","3","4","4","1") = "4"
    & skf21("2","1","5","2","3","4","5","1") = "4"
    & skf21("2","1","5","2","3","4","6","1") = "5"
    & skf21("2","1","5","2","3","4","7","1") = "6"
    & skf21("2","1","5","2","3","5","1","1") = "4"
    & skf21("2","1","5","2","3","5","2","1") = "4"
    & skf21("2","1","5","2","3","5","3","1") = "4"
    & skf21("2","1","5","2","3","5","4","1") = "4"
    & skf21("2","1","5","2","3","5","5","1") = "4"
    & skf21("2","1","5","2","3","5","6","1") = "5"
    & skf21("2","1","5","2","3","5","7","1") = "6"
    & skf21("2","1","5","2","3","6","1","1") = "5"
    & skf21("2","1","5","2","3","6","2","1") = "5"
    & skf21("2","1","5","2","3","6","3","1") = "5"
    & skf21("2","1","5","2","3","6","4","1") = "5"
    & skf21("2","1","5","2","3","6","5","1") = "5"
    & skf21("2","1","5","2","3","6","6","1") = "5"
    & skf21("2","1","5","2","3","6","7","1") = "6"
    & skf21("2","1","5","2","3","7","1","1") = "6"
    & skf21("2","1","5","2","3","7","2","1") = "6"
    & skf21("2","1","5","2","3","7","3","1") = "6"
    & skf21("2","1","5","2","3","7","4","1") = "6"
    & skf21("2","1","5","2","3","7","5","1") = "6"
    & skf21("2","1","5","2","3","7","6","1") = "6"
    & skf21("2","1","5","2","3","7","7","1") = "6"
    & skf21("2","1","5","2","4","1","1","1") = "4"
    & skf21("2","1","5","2","4","1","2","1") = "4"
    & skf21("2","1","5","2","4","1","3","1") = "4"
    & skf21("2","1","5","2","4","1","4","1") = "4"
    & skf21("2","1","5","2","4","1","5","1") = "4"
    & skf21("2","1","5","2","4","1","6","1") = "5"
    & skf21("2","1","5","2","4","1","7","1") = "6"
    & skf21("2","1","5","2","4","2","1","1") = "4"
    & skf21("2","1","5","2","4","2","2","1") = "4"
    & skf21("2","1","5","2","4","2","3","1") = "4"
    & skf21("2","1","5","2","4","2","4","1") = "4"
    & skf21("2","1","5","2","4","2","5","1") = "4"
    & skf21("2","1","5","2","4","2","6","1") = "5"
    & skf21("2","1","5","2","4","2","7","1") = "6"
    & skf21("2","1","5","2","4","3","1","1") = "4"
    & skf21("2","1","5","2","4","3","2","1") = "4"
    & skf21("2","1","5","2","4","3","3","1") = "4"
    & skf21("2","1","5","2","4","3","4","1") = "4"
    & skf21("2","1","5","2","4","3","5","1") = "4"
    & skf21("2","1","5","2","4","3","6","1") = "5"
    & skf21("2","1","5","2","4","3","7","1") = "6"
    & skf21("2","1","5","2","4","4","1","1") = "4"
    & skf21("2","1","5","2","4","4","2","1") = "4"
    & skf21("2","1","5","2","4","4","3","1") = "4"
    & skf21("2","1","5","2","4","4","4","1") = "4"
    & skf21("2","1","5","2","4","4","5","1") = "4"
    & skf21("2","1","5","2","4","4","6","1") = "5"
    & skf21("2","1","5","2","4","4","7","1") = "6"
    & skf21("2","1","5","2","4","5","1","1") = "4"
    & skf21("2","1","5","2","4","5","2","1") = "4"
    & skf21("2","1","5","2","4","5","3","1") = "4"
    & skf21("2","1","5","2","4","5","4","1") = "4"
    & skf21("2","1","5","2","4","5","5","1") = "4"
    & skf21("2","1","5","2","4","5","6","1") = "5"
    & skf21("2","1","5","2","4","5","7","1") = "6"
    & skf21("2","1","5","2","4","6","1","1") = "5"
    & skf21("2","1","5","2","4","6","2","1") = "5"
    & skf21("2","1","5","2","4","6","3","1") = "5"
    & skf21("2","1","5","2","4","6","4","1") = "5"
    & skf21("2","1","5","2","4","6","5","1") = "5"
    & skf21("2","1","5","2","4","6","6","1") = "5"
    & skf21("2","1","5","2","4","6","7","1") = "6"
    & skf21("2","1","5","2","4","7","1","1") = "6"
    & skf21("2","1","5","2","4","7","2","1") = "6"
    & skf21("2","1","5","2","4","7","3","1") = "6"
    & skf21("2","1","5","2","4","7","4","1") = "6"
    & skf21("2","1","5","2","4","7","5","1") = "6"
    & skf21("2","1","5","2","4","7","6","1") = "6"
    & skf21("2","1","5","2","4","7","7","1") = "6"
    & skf21("2","1","5","2","5","1","1","1") = "4"
    & skf21("2","1","5","2","5","1","2","1") = "4"
    & skf21("2","1","5","2","5","1","3","1") = "4"
    & skf21("2","1","5","2","5","1","4","1") = "4"
    & skf21("2","1","5","2","5","1","5","1") = "4"
    & skf21("2","1","5","2","5","1","6","1") = "5"
    & skf21("2","1","5","2","5","1","7","1") = "6"
    & skf21("2","1","5","2","5","2","1","1") = "4"
    & skf21("2","1","5","2","5","2","2","1") = "4"
    & skf21("2","1","5","2","5","2","3","1") = "4"
    & skf21("2","1","5","2","5","2","4","1") = "4"
    & skf21("2","1","5","2","5","2","5","1") = "4"
    & skf21("2","1","5","2","5","2","6","1") = "5"
    & skf21("2","1","5","2","5","2","7","1") = "6"
    & skf21("2","1","5","2","5","3","1","1") = "4"
    & skf21("2","1","5","2","5","3","2","1") = "4"
    & skf21("2","1","5","2","5","3","3","1") = "4"
    & skf21("2","1","5","2","5","3","4","1") = "4"
    & skf21("2","1","5","2","5","3","5","1") = "4"
    & skf21("2","1","5","2","5","3","6","1") = "5"
    & skf21("2","1","5","2","5","3","7","1") = "6"
    & skf21("2","1","5","2","5","4","1","1") = "4"
    & skf21("2","1","5","2","5","4","2","1") = "4"
    & skf21("2","1","5","2","5","4","3","1") = "4"
    & skf21("2","1","5","2","5","4","4","1") = "4"
    & skf21("2","1","5","2","5","4","5","1") = "4"
    & skf21("2","1","5","2","5","4","6","1") = "5"
    & skf21("2","1","5","2","5","4","7","1") = "6"
    & skf21("2","1","5","2","5","5","1","1") = "4"
    & skf21("2","1","5","2","5","5","2","1") = "4"
    & skf21("2","1","5","2","5","5","3","1") = "4"
    & skf21("2","1","5","2","5","5","4","1") = "4"
    & skf21("2","1","5","2","5","5","5","1") = "4"
    & skf21("2","1","5","2","5","5","6","1") = "5"
    & skf21("2","1","5","2","5","5","7","1") = "6"
    & skf21("2","1","5","2","5","6","1","1") = "5"
    & skf21("2","1","5","2","5","6","2","1") = "5"
    & skf21("2","1","5","2","5","6","3","1") = "5"
    & skf21("2","1","5","2","5","6","4","1") = "5"
    & skf21("2","1","5","2","5","6","5","1") = "5"
    & skf21("2","1","5","2","5","6","6","1") = "5"
    & skf21("2","1","5","2","5","6","7","1") = "6"
    & skf21("2","1","5","2","5","7","1","1") = "6"
    & skf21("2","1","5","2","5","7","2","1") = "6"
    & skf21("2","1","5","2","5","7","3","1") = "6"
    & skf21("2","1","5","2","5","7","4","1") = "6"
    & skf21("2","1","5","2","5","7","5","1") = "6"
    & skf21("2","1","5","2","5","7","6","1") = "6"
    & skf21("2","1","5","2","5","7","7","1") = "6"
    & skf21("2","1","5","2","6","1","1","1") = "5"
    & skf21("2","1","5","2","6","1","2","1") = "5"
    & skf21("2","1","5","2","6","1","3","1") = "5"
    & skf21("2","1","5","2","6","1","4","1") = "5"
    & skf21("2","1","5","2","6","1","5","1") = "5"
    & skf21("2","1","5","2","6","1","6","1") = "5"
    & skf21("2","1","5","2","6","1","7","1") = "6"
    & skf21("2","1","5","2","6","2","1","1") = "5"
    & skf21("2","1","5","2","6","2","2","1") = "5"
    & skf21("2","1","5","2","6","2","3","1") = "5"
    & skf21("2","1","5","2","6","2","4","1") = "5"
    & skf21("2","1","5","2","6","2","5","1") = "5"
    & skf21("2","1","5","2","6","2","6","1") = "5"
    & skf21("2","1","5","2","6","2","7","1") = "6"
    & skf21("2","1","5","2","6","3","1","1") = "5"
    & skf21("2","1","5","2","6","3","2","1") = "5"
    & skf21("2","1","5","2","6","3","3","1") = "5"
    & skf21("2","1","5","2","6","3","4","1") = "5"
    & skf21("2","1","5","2","6","3","5","1") = "5"
    & skf21("2","1","5","2","6","3","6","1") = "5"
    & skf21("2","1","5","2","6","3","7","1") = "6"
    & skf21("2","1","5","2","6","4","1","1") = "5"
    & skf21("2","1","5","2","6","4","2","1") = "5"
    & skf21("2","1","5","2","6","4","3","1") = "5"
    & skf21("2","1","5","2","6","4","4","1") = "5"
    & skf21("2","1","5","2","6","4","5","1") = "5"
    & skf21("2","1","5","2","6","4","6","1") = "5"
    & skf21("2","1","5","2","6","4","7","1") = "6"
    & skf21("2","1","5","2","6","5","1","1") = "5"
    & skf21("2","1","5","2","6","5","2","1") = "5"
    & skf21("2","1","5","2","6","5","3","1") = "5"
    & skf21("2","1","5","2","6","5","4","1") = "5"
    & skf21("2","1","5","2","6","5","5","1") = "5"
    & skf21("2","1","5","2","6","5","6","1") = "5"
    & skf21("2","1","5","2","6","5","7","1") = "6"
    & skf21("2","1","5","2","6","6","1","1") = "5"
    & skf21("2","1","5","2","6","6","2","1") = "5"
    & skf21("2","1","5","2","6","6","3","1") = "5"
    & skf21("2","1","5","2","6","6","4","1") = "5"
    & skf21("2","1","5","2","6","6","5","1") = "5"
    & skf21("2","1","5","2","6","6","6","1") = "5"
    & skf21("2","1","5","2","6","6","7","1") = "6"
    & skf21("2","1","5","2","6","7","1","1") = "6"
    & skf21("2","1","5","2","6","7","2","1") = "6"
    & skf21("2","1","5","2","6","7","3","1") = "6"
    & skf21("2","1","5","2","6","7","4","1") = "6"
    & skf21("2","1","5","2","6","7","5","1") = "6"
    & skf21("2","1","5","2","6","7","6","1") = "6"
    & skf21("2","1","5","2","6","7","7","1") = "6"
    & skf21("2","1","5","2","7","1","1","1") = "6"
    & skf21("2","1","5","2","7","1","2","1") = "6"
    & skf21("2","1","5","2","7","1","3","1") = "6"
    & skf21("2","1","5","2","7","1","4","1") = "6"
    & skf21("2","1","5","2","7","1","5","1") = "6"
    & skf21("2","1","5","2","7","1","6","1") = "6"
    & skf21("2","1","5","2","7","1","7","1") = "6"
    & skf21("2","1","5","2","7","2","1","1") = "6"
    & skf21("2","1","5","2","7","2","2","1") = "6"
    & skf21("2","1","5","2","7","2","3","1") = "6"
    & skf21("2","1","5","2","7","2","4","1") = "6"
    & skf21("2","1","5","2","7","2","5","1") = "6"
    & skf21("2","1","5","2","7","2","6","1") = "6"
    & skf21("2","1","5","2","7","2","7","1") = "6"
    & skf21("2","1","5","2","7","3","1","1") = "6"
    & skf21("2","1","5","2","7","3","2","1") = "6"
    & skf21("2","1","5","2","7","3","3","1") = "6"
    & skf21("2","1","5","2","7","3","4","1") = "6"
    & skf21("2","1","5","2","7","3","5","1") = "6"
    & skf21("2","1","5","2","7","3","6","1") = "6"
    & skf21("2","1","5","2","7","3","7","1") = "6"
    & skf21("2","1","5","2","7","4","1","1") = "6"
    & skf21("2","1","5","2","7","4","2","1") = "6"
    & skf21("2","1","5","2","7","4","3","1") = "6"
    & skf21("2","1","5","2","7","4","4","1") = "6"
    & skf21("2","1","5","2","7","4","5","1") = "6"
    & skf21("2","1","5","2","7","4","6","1") = "6"
    & skf21("2","1","5","2","7","4","7","1") = "6"
    & skf21("2","1","5","2","7","5","1","1") = "6"
    & skf21("2","1","5","2","7","5","2","1") = "6"
    & skf21("2","1","5","2","7","5","3","1") = "6"
    & skf21("2","1","5","2","7","5","4","1") = "6"
    & skf21("2","1","5","2","7","5","5","1") = "6"
    & skf21("2","1","5","2","7","5","6","1") = "6"
    & skf21("2","1","5","2","7","5","7","1") = "6"
    & skf21("2","1","5","2","7","6","1","1") = "6"
    & skf21("2","1","5","2","7","6","2","1") = "6"
    & skf21("2","1","5","2","7","6","3","1") = "6"
    & skf21("2","1","5","2","7","6","4","1") = "6"
    & skf21("2","1","5","2","7","6","5","1") = "6"
    & skf21("2","1","5","2","7","6","6","1") = "6"
    & skf21("2","1","5","2","7","6","7","1") = "6"
    & skf21("2","1","5","2","7","7","1","1") = "6"
    & skf21("2","1","5","2","7","7","2","1") = "6"
    & skf21("2","1","5","2","7","7","3","1") = "6"
    & skf21("2","1","5","2","7","7","4","1") = "6"
    & skf21("2","1","5","2","7","7","5","1") = "6"
    & skf21("2","1","5","2","7","7","6","1") = "6"
    & skf21("2","1","5","2","7","7","7","1") = "6"
    & skf21("2","1","5","3","1","1","1","1") = "4"
    & skf21("2","1","5","3","1","1","2","1") = "4"
    & skf21("2","1","5","3","1","1","3","1") = "4"
    & skf21("2","1","5","3","1","1","4","1") = "4"
    & skf21("2","1","5","3","1","1","5","1") = "4"
    & skf21("2","1","5","3","1","1","6","1") = "5"
    & skf21("2","1","5","3","1","1","7","1") = "6"
    & skf21("2","1","5","3","1","2","1","1") = "4"
    & skf21("2","1","5","3","1","2","2","1") = "4"
    & skf21("2","1","5","3","1","2","3","1") = "4"
    & skf21("2","1","5","3","1","2","4","1") = "4"
    & skf21("2","1","5","3","1","2","5","1") = "4"
    & skf21("2","1","5","3","1","2","6","1") = "5"
    & skf21("2","1","5","3","1","2","7","1") = "6"
    & skf21("2","1","5","3","1","3","1","1") = "4"
    & skf21("2","1","5","3","1","3","2","1") = "4"
    & skf21("2","1","5","3","1","3","3","1") = "4"
    & skf21("2","1","5","3","1","3","4","1") = "4"
    & skf21("2","1","5","3","1","3","5","1") = "4"
    & skf21("2","1","5","3","1","3","6","1") = "5"
    & skf21("2","1","5","3","1","3","7","1") = "6"
    & skf21("2","1","5","3","1","4","1","1") = "4"
    & skf21("2","1","5","3","1","4","2","1") = "4"
    & skf21("2","1","5","3","1","4","3","1") = "4"
    & skf21("2","1","5","3","1","4","4","1") = "4"
    & skf21("2","1","5","3","1","4","5","1") = "4"
    & skf21("2","1","5","3","1","4","6","1") = "5"
    & skf21("2","1","5","3","1","4","7","1") = "6"
    & skf21("2","1","5","3","1","5","1","1") = "4"
    & skf21("2","1","5","3","1","5","2","1") = "4"
    & skf21("2","1","5","3","1","5","3","1") = "4"
    & skf21("2","1","5","3","1","5","4","1") = "4"
    & skf21("2","1","5","3","1","5","5","1") = "4"
    & skf21("2","1","5","3","1","5","6","1") = "5"
    & skf21("2","1","5","3","1","5","7","1") = "6"
    & skf21("2","1","5","3","1","6","1","1") = "5"
    & skf21("2","1","5","3","1","6","2","1") = "5"
    & skf21("2","1","5","3","1","6","3","1") = "5"
    & skf21("2","1","5","3","1","6","4","1") = "5"
    & skf21("2","1","5","3","1","6","5","1") = "5"
    & skf21("2","1","5","3","1","6","6","1") = "5"
    & skf21("2","1","5","3","1","6","7","1") = "6"
    & skf21("2","1","5","3","1","7","1","1") = "6"
    & skf21("2","1","5","3","1","7","2","1") = "6"
    & skf21("2","1","5","3","1","7","3","1") = "6"
    & skf21("2","1","5","3","1","7","4","1") = "6"
    & skf21("2","1","5","3","1","7","5","1") = "6"
    & skf21("2","1","5","3","1","7","6","1") = "6"
    & skf21("2","1","5","3","1","7","7","1") = "6"
    & skf21("2","1","5","3","2","1","1","1") = "4"
    & skf21("2","1","5","3","2","1","2","1") = "4"
    & skf21("2","1","5","3","2","1","3","1") = "4"
    & skf21("2","1","5","3","2","1","4","1") = "4"
    & skf21("2","1","5","3","2","1","5","1") = "4"
    & skf21("2","1","5","3","2","1","6","1") = "5"
    & skf21("2","1","5","3","2","1","7","1") = "6"
    & skf21("2","1","5","3","2","2","1","1") = "4"
    & skf21("2","1","5","3","2","2","2","1") = "4"
    & skf21("2","1","5","3","2","2","3","1") = "4"
    & skf21("2","1","5","3","2","2","4","1") = "4"
    & skf21("2","1","5","3","2","2","5","1") = "4"
    & skf21("2","1","5","3","2","2","6","1") = "5"
    & skf21("2","1","5","3","2","2","7","1") = "6"
    & skf21("2","1","5","3","2","3","1","1") = "4"
    & skf21("2","1","5","3","2","3","2","1") = "4"
    & skf21("2","1","5","3","2","3","3","1") = "4"
    & skf21("2","1","5","3","2","3","4","1") = "4"
    & skf21("2","1","5","3","2","3","5","1") = "4"
    & skf21("2","1","5","3","2","3","6","1") = "5"
    & skf21("2","1","5","3","2","3","7","1") = "6"
    & skf21("2","1","5","3","2","4","1","1") = "4"
    & skf21("2","1","5","3","2","4","2","1") = "4"
    & skf21("2","1","5","3","2","4","3","1") = "4"
    & skf21("2","1","5","3","2","4","4","1") = "4"
    & skf21("2","1","5","3","2","4","5","1") = "4"
    & skf21("2","1","5","3","2","4","6","1") = "5"
    & skf21("2","1","5","3","2","4","7","1") = "6"
    & skf21("2","1","5","3","2","5","1","1") = "4"
    & skf21("2","1","5","3","2","5","2","1") = "4"
    & skf21("2","1","5","3","2","5","3","1") = "4"
    & skf21("2","1","5","3","2","5","4","1") = "4"
    & skf21("2","1","5","3","2","5","5","1") = "4"
    & skf21("2","1","5","3","2","5","6","1") = "5"
    & skf21("2","1","5","3","2","5","7","1") = "6"
    & skf21("2","1","5","3","2","6","1","1") = "5"
    & skf21("2","1","5","3","2","6","2","1") = "5"
    & skf21("2","1","5","3","2","6","3","1") = "5"
    & skf21("2","1","5","3","2","6","4","1") = "5"
    & skf21("2","1","5","3","2","6","5","1") = "5"
    & skf21("2","1","5","3","2","6","6","1") = "5"
    & skf21("2","1","5","3","2","6","7","1") = "6"
    & skf21("2","1","5","3","2","7","1","1") = "6"
    & skf21("2","1","5","3","2","7","2","1") = "6"
    & skf21("2","1","5","3","2","7","3","1") = "6"
    & skf21("2","1","5","3","2","7","4","1") = "6"
    & skf21("2","1","5","3","2","7","5","1") = "6"
    & skf21("2","1","5","3","2","7","6","1") = "6"
    & skf21("2","1","5","3","2","7","7","1") = "6"
    & skf21("2","1","5","3","3","1","1","1") = "4"
    & skf21("2","1","5","3","3","1","2","1") = "4"
    & skf21("2","1","5","3","3","1","3","1") = "4"
    & skf21("2","1","5","3","3","1","4","1") = "4"
    & skf21("2","1","5","3","3","1","5","1") = "4"
    & skf21("2","1","5","3","3","1","6","1") = "5"
    & skf21("2","1","5","3","3","1","7","1") = "6"
    & skf21("2","1","5","3","3","2","1","1") = "4"
    & skf21("2","1","5","3","3","2","2","1") = "4"
    & skf21("2","1","5","3","3","2","3","1") = "4"
    & skf21("2","1","5","3","3","2","4","1") = "4"
    & skf21("2","1","5","3","3","2","5","1") = "4"
    & skf21("2","1","5","3","3","2","6","1") = "5"
    & skf21("2","1","5","3","3","2","7","1") = "6"
    & skf21("2","1","5","3","3","3","1","1") = "4"
    & skf21("2","1","5","3","3","3","2","1") = "4"
    & skf21("2","1","5","3","3","3","3","1") = "4"
    & skf21("2","1","5","3","3","3","4","1") = "4"
    & skf21("2","1","5","3","3","3","5","1") = "4"
    & skf21("2","1","5","3","3","3","6","1") = "5"
    & skf21("2","1","5","3","3","3","7","1") = "6"
    & skf21("2","1","5","3","3","4","1","1") = "4"
    & skf21("2","1","5","3","3","4","2","1") = "4"
    & skf21("2","1","5","3","3","4","3","1") = "4"
    & skf21("2","1","5","3","3","4","4","1") = "4"
    & skf21("2","1","5","3","3","4","5","1") = "4"
    & skf21("2","1","5","3","3","4","6","1") = "5"
    & skf21("2","1","5","3","3","4","7","1") = "6"
    & skf21("2","1","5","3","3","5","1","1") = "4"
    & skf21("2","1","5","3","3","5","2","1") = "4"
    & skf21("2","1","5","3","3","5","3","1") = "4"
    & skf21("2","1","5","3","3","5","4","1") = "4"
    & skf21("2","1","5","3","3","5","5","1") = "4"
    & skf21("2","1","5","3","3","5","6","1") = "5"
    & skf21("2","1","5","3","3","5","7","1") = "6"
    & skf21("2","1","5","3","3","6","1","1") = "5"
    & skf21("2","1","5","3","3","6","2","1") = "5"
    & skf21("2","1","5","3","3","6","3","1") = "5"
    & skf21("2","1","5","3","3","6","4","1") = "5"
    & skf21("2","1","5","3","3","6","5","1") = "5"
    & skf21("2","1","5","3","3","6","6","1") = "5"
    & skf21("2","1","5","3","3","6","7","1") = "6"
    & skf21("2","1","5","3","3","7","1","1") = "6"
    & skf21("2","1","5","3","3","7","2","1") = "6"
    & skf21("2","1","5","3","3","7","3","1") = "6"
    & skf21("2","1","5","3","3","7","4","1") = "6"
    & skf21("2","1","5","3","3","7","5","1") = "6"
    & skf21("2","1","5","3","3","7","6","1") = "6"
    & skf21("2","1","5","3","3","7","7","1") = "6"
    & skf21("2","1","5","3","4","1","1","1") = "4"
    & skf21("2","1","5","3","4","1","2","1") = "4"
    & skf21("2","1","5","3","4","1","3","1") = "4"
    & skf21("2","1","5","3","4","1","4","1") = "4"
    & skf21("2","1","5","3","4","1","5","1") = "4"
    & skf21("2","1","5","3","4","1","6","1") = "5"
    & skf21("2","1","5","3","4","1","7","1") = "6"
    & skf21("2","1","5","3","4","2","1","1") = "4"
    & skf21("2","1","5","3","4","2","2","1") = "4"
    & skf21("2","1","5","3","4","2","3","1") = "4"
    & skf21("2","1","5","3","4","2","4","1") = "4"
    & skf21("2","1","5","3","4","2","5","1") = "4"
    & skf21("2","1","5","3","4","2","6","1") = "5"
    & skf21("2","1","5","3","4","2","7","1") = "6"
    & skf21("2","1","5","3","4","3","1","1") = "4"
    & skf21("2","1","5","3","4","3","2","1") = "4"
    & skf21("2","1","5","3","4","3","3","1") = "4"
    & skf21("2","1","5","3","4","3","4","1") = "4"
    & skf21("2","1","5","3","4","3","5","1") = "4"
    & skf21("2","1","5","3","4","3","6","1") = "5"
    & skf21("2","1","5","3","4","3","7","1") = "6"
    & skf21("2","1","5","3","4","4","1","1") = "4"
    & skf21("2","1","5","3","4","4","2","1") = "4"
    & skf21("2","1","5","3","4","4","3","1") = "4"
    & skf21("2","1","5","3","4","4","4","1") = "4"
    & skf21("2","1","5","3","4","4","5","1") = "4"
    & skf21("2","1","5","3","4","4","6","1") = "5"
    & skf21("2","1","5","3","4","4","7","1") = "6"
    & skf21("2","1","5","3","4","5","1","1") = "4"
    & skf21("2","1","5","3","4","5","2","1") = "4"
    & skf21("2","1","5","3","4","5","3","1") = "4"
    & skf21("2","1","5","3","4","5","4","1") = "4"
    & skf21("2","1","5","3","4","5","5","1") = "4"
    & skf21("2","1","5","3","4","5","6","1") = "5"
    & skf21("2","1","5","3","4","5","7","1") = "6"
    & skf21("2","1","5","3","4","6","1","1") = "5"
    & skf21("2","1","5","3","4","6","2","1") = "5"
    & skf21("2","1","5","3","4","6","3","1") = "5"
    & skf21("2","1","5","3","4","6","4","1") = "5"
    & skf21("2","1","5","3","4","6","5","1") = "5"
    & skf21("2","1","5","3","4","6","6","1") = "5"
    & skf21("2","1","5","3","4","6","7","1") = "6"
    & skf21("2","1","5","3","4","7","1","1") = "6"
    & skf21("2","1","5","3","4","7","2","1") = "6"
    & skf21("2","1","5","3","4","7","3","1") = "6"
    & skf21("2","1","5","3","4","7","4","1") = "6"
    & skf21("2","1","5","3","4","7","5","1") = "6"
    & skf21("2","1","5","3","4","7","6","1") = "6"
    & skf21("2","1","5","3","4","7","7","1") = "6"
    & skf21("2","1","5","3","5","1","1","1") = "4"
    & skf21("2","1","5","3","5","1","2","1") = "4"
    & skf21("2","1","5","3","5","1","3","1") = "4"
    & skf21("2","1","5","3","5","1","4","1") = "4"
    & skf21("2","1","5","3","5","1","5","1") = "4"
    & skf21("2","1","5","3","5","1","6","1") = "5"
    & skf21("2","1","5","3","5","1","7","1") = "6"
    & skf21("2","1","5","3","5","2","1","1") = "4"
    & skf21("2","1","5","3","5","2","2","1") = "4"
    & skf21("2","1","5","3","5","2","3","1") = "4"
    & skf21("2","1","5","3","5","2","4","1") = "4"
    & skf21("2","1","5","3","5","2","5","1") = "4"
    & skf21("2","1","5","3","5","2","6","1") = "5"
    & skf21("2","1","5","3","5","2","7","1") = "6"
    & skf21("2","1","5","3","5","3","1","1") = "4"
    & skf21("2","1","5","3","5","3","2","1") = "4"
    & skf21("2","1","5","3","5","3","3","1") = "4"
    & skf21("2","1","5","3","5","3","4","1") = "4"
    & skf21("2","1","5","3","5","3","5","1") = "4"
    & skf21("2","1","5","3","5","3","6","1") = "5"
    & skf21("2","1","5","3","5","3","7","1") = "6"
    & skf21("2","1","5","3","5","4","1","1") = "4"
    & skf21("2","1","5","3","5","4","2","1") = "4"
    & skf21("2","1","5","3","5","4","3","1") = "4"
    & skf21("2","1","5","3","5","4","4","1") = "4"
    & skf21("2","1","5","3","5","4","5","1") = "4"
    & skf21("2","1","5","3","5","4","6","1") = "5"
    & skf21("2","1","5","3","5","4","7","1") = "6"
    & skf21("2","1","5","3","5","5","1","1") = "4"
    & skf21("2","1","5","3","5","5","2","1") = "4"
    & skf21("2","1","5","3","5","5","3","1") = "4"
    & skf21("2","1","5","3","5","5","4","1") = "4"
    & skf21("2","1","5","3","5","5","5","1") = "4"
    & skf21("2","1","5","3","5","5","6","1") = "5"
    & skf21("2","1","5","3","5","5","7","1") = "6"
    & skf21("2","1","5","3","5","6","1","1") = "5"
    & skf21("2","1","5","3","5","6","2","1") = "5"
    & skf21("2","1","5","3","5","6","3","1") = "5"
    & skf21("2","1","5","3","5","6","4","1") = "5"
    & skf21("2","1","5","3","5","6","5","1") = "5"
    & skf21("2","1","5","3","5","6","6","1") = "5"
    & skf21("2","1","5","3","5","6","7","1") = "6"
    & skf21("2","1","5","3","5","7","1","1") = "6"
    & skf21("2","1","5","3","5","7","2","1") = "6"
    & skf21("2","1","5","3","5","7","3","1") = "6"
    & skf21("2","1","5","3","5","7","4","1") = "6"
    & skf21("2","1","5","3","5","7","5","1") = "6"
    & skf21("2","1","5","3","5","7","6","1") = "6"
    & skf21("2","1","5","3","5","7","7","1") = "6"
    & skf21("2","1","5","3","6","1","1","1") = "5"
    & skf21("2","1","5","3","6","1","2","1") = "5"
    & skf21("2","1","5","3","6","1","3","1") = "5"
    & skf21("2","1","5","3","6","1","4","1") = "5"
    & skf21("2","1","5","3","6","1","5","1") = "5"
    & skf21("2","1","5","3","6","1","6","1") = "5"
    & skf21("2","1","5","3","6","1","7","1") = "6"
    & skf21("2","1","5","3","6","2","1","1") = "5"
    & skf21("2","1","5","3","6","2","2","1") = "5"
    & skf21("2","1","5","3","6","2","3","1") = "5"
    & skf21("2","1","5","3","6","2","4","1") = "5"
    & skf21("2","1","5","3","6","2","5","1") = "5"
    & skf21("2","1","5","3","6","2","6","1") = "5"
    & skf21("2","1","5","3","6","2","7","1") = "6"
    & skf21("2","1","5","3","6","3","1","1") = "5"
    & skf21("2","1","5","3","6","3","2","1") = "5"
    & skf21("2","1","5","3","6","3","3","1") = "5"
    & skf21("2","1","5","3","6","3","4","1") = "5"
    & skf21("2","1","5","3","6","3","5","1") = "5"
    & skf21("2","1","5","3","6","3","6","1") = "5"
    & skf21("2","1","5","3","6","3","7","1") = "6"
    & skf21("2","1","5","3","6","4","1","1") = "5"
    & skf21("2","1","5","3","6","4","2","1") = "5"
    & skf21("2","1","5","3","6","4","3","1") = "5"
    & skf21("2","1","5","3","6","4","4","1") = "5"
    & skf21("2","1","5","3","6","4","5","1") = "5"
    & skf21("2","1","5","3","6","4","6","1") = "5"
    & skf21("2","1","5","3","6","4","7","1") = "6"
    & skf21("2","1","5","3","6","5","1","1") = "5"
    & skf21("2","1","5","3","6","5","2","1") = "5"
    & skf21("2","1","5","3","6","5","3","1") = "5"
    & skf21("2","1","5","3","6","5","4","1") = "5"
    & skf21("2","1","5","3","6","5","5","1") = "5"
    & skf21("2","1","5","3","6","5","6","1") = "5"
    & skf21("2","1","5","3","6","5","7","1") = "6"
    & skf21("2","1","5","3","6","6","1","1") = "5"
    & skf21("2","1","5","3","6","6","2","1") = "5"
    & skf21("2","1","5","3","6","6","3","1") = "5"
    & skf21("2","1","5","3","6","6","4","1") = "5"
    & skf21("2","1","5","3","6","6","5","1") = "5"
    & skf21("2","1","5","3","6","6","6","1") = "5"
    & skf21("2","1","5","3","6","6","7","1") = "6"
    & skf21("2","1","5","3","6","7","1","1") = "6"
    & skf21("2","1","5","3","6","7","2","1") = "6"
    & skf21("2","1","5","3","6","7","3","1") = "6"
    & skf21("2","1","5","3","6","7","4","1") = "6"
    & skf21("2","1","5","3","6","7","5","1") = "6"
    & skf21("2","1","5","3","6","7","6","1") = "6"
    & skf21("2","1","5","3","6","7","7","1") = "6"
    & skf21("2","1","5","3","7","1","1","1") = "6"
    & skf21("2","1","5","3","7","1","2","1") = "6"
    & skf21("2","1","5","3","7","1","3","1") = "6"
    & skf21("2","1","5","3","7","1","4","1") = "6"
    & skf21("2","1","5","3","7","1","5","1") = "6"
    & skf21("2","1","5","3","7","1","6","1") = "6"
    & skf21("2","1","5","3","7","1","7","1") = "6"
    & skf21("2","1","5","3","7","2","1","1") = "6"
    & skf21("2","1","5","3","7","2","2","1") = "6"
    & skf21("2","1","5","3","7","2","3","1") = "6"
    & skf21("2","1","5","3","7","2","4","1") = "6"
    & skf21("2","1","5","3","7","2","5","1") = "6"
    & skf21("2","1","5","3","7","2","6","1") = "6"
    & skf21("2","1","5","3","7","2","7","1") = "6"
    & skf21("2","1","5","3","7","3","1","1") = "6"
    & skf21("2","1","5","3","7","3","2","1") = "6"
    & skf21("2","1","5","3","7","3","3","1") = "6"
    & skf21("2","1","5","3","7","3","4","1") = "6"
    & skf21("2","1","5","3","7","3","5","1") = "6"
    & skf21("2","1","5","3","7","3","6","1") = "6"
    & skf21("2","1","5","3","7","3","7","1") = "6"
    & skf21("2","1","5","3","7","4","1","1") = "6"
    & skf21("2","1","5","3","7","4","2","1") = "6"
    & skf21("2","1","5","3","7","4","3","1") = "6"
    & skf21("2","1","5","3","7","4","4","1") = "6"
    & skf21("2","1","5","3","7","4","5","1") = "6"
    & skf21("2","1","5","3","7","4","6","1") = "6"
    & skf21("2","1","5","3","7","4","7","1") = "6"
    & skf21("2","1","5","3","7","5","1","1") = "6"
    & skf21("2","1","5","3","7","5","2","1") = "6"
    & skf21("2","1","5","3","7","5","3","1") = "6"
    & skf21("2","1","5","3","7","5","4","1") = "6"
    & skf21("2","1","5","3","7","5","5","1") = "6"
    & skf21("2","1","5","3","7","5","6","1") = "6"
    & skf21("2","1","5","3","7","5","7","1") = "6"
    & skf21("2","1","5","3","7","6","1","1") = "6"
    & skf21("2","1","5","3","7","6","2","1") = "6"
    & skf21("2","1","5","3","7","6","3","1") = "6"
    & skf21("2","1","5","3","7","6","4","1") = "6"
    & skf21("2","1","5","3","7","6","5","1") = "6"
    & skf21("2","1","5","3","7","6","6","1") = "6"
    & skf21("2","1","5","3","7","6","7","1") = "6"
    & skf21("2","1","5","3","7","7","1","1") = "6"
    & skf21("2","1","5","3","7","7","2","1") = "6"
    & skf21("2","1","5","3","7","7","3","1") = "6"
    & skf21("2","1","5","3","7","7","4","1") = "6"
    & skf21("2","1","5","3","7","7","5","1") = "6"
    & skf21("2","1","5","3","7","7","6","1") = "6"
    & skf21("2","1","5","3","7","7","7","1") = "6"
    & skf21("2","1","5","4","1","1","1","1") = "4"
    & skf21("2","1","5","4","1","1","2","1") = "4"
    & skf21("2","1","5","4","1","1","3","1") = "4"
    & skf21("2","1","5","4","1","1","4","1") = "4"
    & skf21("2","1","5","4","1","1","5","1") = "4"
    & skf21("2","1","5","4","1","1","6","1") = "5"
    & skf21("2","1","5","4","1","1","7","1") = "6"
    & skf21("2","1","5","4","1","2","1","1") = "4"
    & skf21("2","1","5","4","1","2","2","1") = "4"
    & skf21("2","1","5","4","1","2","3","1") = "4"
    & skf21("2","1","5","4","1","2","4","1") = "4"
    & skf21("2","1","5","4","1","2","5","1") = "4"
    & skf21("2","1","5","4","1","2","6","1") = "5"
    & skf21("2","1","5","4","1","2","7","1") = "6"
    & skf21("2","1","5","4","1","3","1","1") = "4"
    & skf21("2","1","5","4","1","3","2","1") = "4"
    & skf21("2","1","5","4","1","3","3","1") = "4"
    & skf21("2","1","5","4","1","3","4","1") = "4"
    & skf21("2","1","5","4","1","3","5","1") = "4"
    & skf21("2","1","5","4","1","3","6","1") = "5"
    & skf21("2","1","5","4","1","3","7","1") = "6"
    & skf21("2","1","5","4","1","4","1","1") = "4"
    & skf21("2","1","5","4","1","4","2","1") = "4"
    & skf21("2","1","5","4","1","4","3","1") = "4"
    & skf21("2","1","5","4","1","4","4","1") = "4"
    & skf21("2","1","5","4","1","4","5","1") = "4"
    & skf21("2","1","5","4","1","4","6","1") = "5"
    & skf21("2","1","5","4","1","4","7","1") = "6"
    & skf21("2","1","5","4","1","5","1","1") = "4"
    & skf21("2","1","5","4","1","5","2","1") = "4"
    & skf21("2","1","5","4","1","5","3","1") = "4"
    & skf21("2","1","5","4","1","5","4","1") = "4"
    & skf21("2","1","5","4","1","5","5","1") = "4"
    & skf21("2","1","5","4","1","5","6","1") = "5"
    & skf21("2","1","5","4","1","5","7","1") = "6"
    & skf21("2","1","5","4","1","6","1","1") = "5"
    & skf21("2","1","5","4","1","6","2","1") = "5"
    & skf21("2","1","5","4","1","6","3","1") = "5"
    & skf21("2","1","5","4","1","6","4","1") = "5"
    & skf21("2","1","5","4","1","6","5","1") = "5"
    & skf21("2","1","5","4","1","6","6","1") = "5"
    & skf21("2","1","5","4","1","6","7","1") = "6"
    & skf21("2","1","5","4","1","7","1","1") = "6"
    & skf21("2","1","5","4","1","7","2","1") = "6"
    & skf21("2","1","5","4","1","7","3","1") = "6"
    & skf21("2","1","5","4","1","7","4","1") = "6"
    & skf21("2","1","5","4","1","7","5","1") = "6"
    & skf21("2","1","5","4","1","7","6","1") = "6"
    & skf21("2","1","5","4","1","7","7","1") = "6"
    & skf21("2","1","5","4","2","1","1","1") = "4"
    & skf21("2","1","5","4","2","1","2","1") = "4"
    & skf21("2","1","5","4","2","1","3","1") = "4"
    & skf21("2","1","5","4","2","1","4","1") = "4"
    & skf21("2","1","5","4","2","1","5","1") = "4"
    & skf21("2","1","5","4","2","1","6","1") = "5"
    & skf21("2","1","5","4","2","1","7","1") = "6"
    & skf21("2","1","5","4","2","2","1","1") = "4"
    & skf21("2","1","5","4","2","2","2","1") = "4"
    & skf21("2","1","5","4","2","2","3","1") = "4"
    & skf21("2","1","5","4","2","2","4","1") = "4"
    & skf21("2","1","5","4","2","2","5","1") = "4"
    & skf21("2","1","5","4","2","2","6","1") = "5"
    & skf21("2","1","5","4","2","2","7","1") = "6"
    & skf21("2","1","5","4","2","3","1","1") = "4"
    & skf21("2","1","5","4","2","3","2","1") = "4"
    & skf21("2","1","5","4","2","3","3","1") = "4"
    & skf21("2","1","5","4","2","3","4","1") = "4"
    & skf21("2","1","5","4","2","3","5","1") = "4"
    & skf21("2","1","5","4","2","3","6","1") = "5"
    & skf21("2","1","5","4","2","3","7","1") = "6"
    & skf21("2","1","5","4","2","4","1","1") = "4"
    & skf21("2","1","5","4","2","4","2","1") = "4"
    & skf21("2","1","5","4","2","4","3","1") = "4"
    & skf21("2","1","5","4","2","4","4","1") = "4"
    & skf21("2","1","5","4","2","4","5","1") = "4"
    & skf21("2","1","5","4","2","4","6","1") = "5"
    & skf21("2","1","5","4","2","4","7","1") = "6"
    & skf21("2","1","5","4","2","5","1","1") = "4"
    & skf21("2","1","5","4","2","5","2","1") = "4"
    & skf21("2","1","5","4","2","5","3","1") = "4"
    & skf21("2","1","5","4","2","5","4","1") = "4"
    & skf21("2","1","5","4","2","5","5","1") = "4"
    & skf21("2","1","5","4","2","5","6","1") = "5"
    & skf21("2","1","5","4","2","5","7","1") = "6"
    & skf21("2","1","5","4","2","6","1","1") = "5"
    & skf21("2","1","5","4","2","6","2","1") = "5"
    & skf21("2","1","5","4","2","6","3","1") = "5"
    & skf21("2","1","5","4","2","6","4","1") = "5"
    & skf21("2","1","5","4","2","6","5","1") = "5"
    & skf21("2","1","5","4","2","6","6","1") = "5"
    & skf21("2","1","5","4","2","6","7","1") = "6"
    & skf21("2","1","5","4","2","7","1","1") = "6"
    & skf21("2","1","5","4","2","7","2","1") = "6"
    & skf21("2","1","5","4","2","7","3","1") = "6"
    & skf21("2","1","5","4","2","7","4","1") = "6"
    & skf21("2","1","5","4","2","7","5","1") = "6"
    & skf21("2","1","5","4","2","7","6","1") = "6"
    & skf21("2","1","5","4","2","7","7","1") = "6"
    & skf21("2","1","5","4","3","1","1","1") = "4"
    & skf21("2","1","5","4","3","1","2","1") = "4"
    & skf21("2","1","5","4","3","1","3","1") = "4"
    & skf21("2","1","5","4","3","1","4","1") = "4"
    & skf21("2","1","5","4","3","1","5","1") = "4"
    & skf21("2","1","5","4","3","1","6","1") = "5"
    & skf21("2","1","5","4","3","1","7","1") = "6"
    & skf21("2","1","5","4","3","2","1","1") = "4"
    & skf21("2","1","5","4","3","2","2","1") = "4"
    & skf21("2","1","5","4","3","2","3","1") = "4"
    & skf21("2","1","5","4","3","2","4","1") = "4"
    & skf21("2","1","5","4","3","2","5","1") = "4"
    & skf21("2","1","5","4","3","2","6","1") = "5"
    & skf21("2","1","5","4","3","2","7","1") = "6"
    & skf21("2","1","5","4","3","3","1","1") = "4"
    & skf21("2","1","5","4","3","3","2","1") = "4"
    & skf21("2","1","5","4","3","3","3","1") = "4"
    & skf21("2","1","5","4","3","3","4","1") = "4"
    & skf21("2","1","5","4","3","3","5","1") = "4"
    & skf21("2","1","5","4","3","3","6","1") = "5"
    & skf21("2","1","5","4","3","3","7","1") = "6"
    & skf21("2","1","5","4","3","4","1","1") = "4"
    & skf21("2","1","5","4","3","4","2","1") = "4"
    & skf21("2","1","5","4","3","4","3","1") = "4"
    & skf21("2","1","5","4","3","4","4","1") = "4"
    & skf21("2","1","5","4","3","4","5","1") = "4"
    & skf21("2","1","5","4","3","4","6","1") = "5"
    & skf21("2","1","5","4","3","4","7","1") = "6"
    & skf21("2","1","5","4","3","5","1","1") = "4"
    & skf21("2","1","5","4","3","5","2","1") = "4"
    & skf21("2","1","5","4","3","5","3","1") = "4"
    & skf21("2","1","5","4","3","5","4","1") = "4"
    & skf21("2","1","5","4","3","5","5","1") = "4"
    & skf21("2","1","5","4","3","5","6","1") = "5"
    & skf21("2","1","5","4","3","5","7","1") = "6"
    & skf21("2","1","5","4","3","6","1","1") = "5"
    & skf21("2","1","5","4","3","6","2","1") = "5"
    & skf21("2","1","5","4","3","6","3","1") = "5"
    & skf21("2","1","5","4","3","6","4","1") = "5"
    & skf21("2","1","5","4","3","6","5","1") = "5"
    & skf21("2","1","5","4","3","6","6","1") = "5"
    & skf21("2","1","5","4","3","6","7","1") = "6"
    & skf21("2","1","5","4","3","7","1","1") = "6"
    & skf21("2","1","5","4","3","7","2","1") = "6"
    & skf21("2","1","5","4","3","7","3","1") = "6"
    & skf21("2","1","5","4","3","7","4","1") = "6"
    & skf21("2","1","5","4","3","7","5","1") = "6"
    & skf21("2","1","5","4","3","7","6","1") = "6"
    & skf21("2","1","5","4","3","7","7","1") = "6"
    & skf21("2","1","5","4","4","1","1","1") = "4"
    & skf21("2","1","5","4","4","1","2","1") = "4"
    & skf21("2","1","5","4","4","1","3","1") = "4"
    & skf21("2","1","5","4","4","1","4","1") = "4"
    & skf21("2","1","5","4","4","1","5","1") = "4"
    & skf21("2","1","5","4","4","1","6","1") = "5"
    & skf21("2","1","5","4","4","1","7","1") = "6"
    & skf21("2","1","5","4","4","2","1","1") = "4"
    & skf21("2","1","5","4","4","2","2","1") = "4"
    & skf21("2","1","5","4","4","2","3","1") = "4"
    & skf21("2","1","5","4","4","2","4","1") = "4"
    & skf21("2","1","5","4","4","2","5","1") = "4"
    & skf21("2","1","5","4","4","2","6","1") = "5"
    & skf21("2","1","5","4","4","2","7","1") = "6"
    & skf21("2","1","5","4","4","3","1","1") = "4"
    & skf21("2","1","5","4","4","3","2","1") = "4"
    & skf21("2","1","5","4","4","3","3","1") = "4"
    & skf21("2","1","5","4","4","3","4","1") = "4"
    & skf21("2","1","5","4","4","3","5","1") = "4"
    & skf21("2","1","5","4","4","3","6","1") = "5"
    & skf21("2","1","5","4","4","3","7","1") = "6"
    & skf21("2","1","5","4","4","4","1","1") = "4"
    & skf21("2","1","5","4","4","4","2","1") = "4"
    & skf21("2","1","5","4","4","4","3","1") = "4"
    & skf21("2","1","5","4","4","4","4","1") = "4"
    & skf21("2","1","5","4","4","4","5","1") = "4"
    & skf21("2","1","5","4","4","4","6","1") = "5"
    & skf21("2","1","5","4","4","4","7","1") = "6"
    & skf21("2","1","5","4","4","5","1","1") = "4"
    & skf21("2","1","5","4","4","5","2","1") = "4"
    & skf21("2","1","5","4","4","5","3","1") = "4"
    & skf21("2","1","5","4","4","5","4","1") = "4"
    & skf21("2","1","5","4","4","5","5","1") = "4"
    & skf21("2","1","5","4","4","5","6","1") = "5"
    & skf21("2","1","5","4","4","5","7","1") = "6"
    & skf21("2","1","5","4","4","6","1","1") = "5"
    & skf21("2","1","5","4","4","6","2","1") = "5"
    & skf21("2","1","5","4","4","6","3","1") = "5"
    & skf21("2","1","5","4","4","6","4","1") = "5"
    & skf21("2","1","5","4","4","6","5","1") = "5"
    & skf21("2","1","5","4","4","6","6","1") = "5"
    & skf21("2","1","5","4","4","6","7","1") = "6"
    & skf21("2","1","5","4","4","7","1","1") = "6"
    & skf21("2","1","5","4","4","7","2","1") = "6"
    & skf21("2","1","5","4","4","7","3","1") = "6"
    & skf21("2","1","5","4","4","7","4","1") = "6"
    & skf21("2","1","5","4","4","7","5","1") = "6"
    & skf21("2","1","5","4","4","7","6","1") = "6"
    & skf21("2","1","5","4","4","7","7","1") = "6"
    & skf21("2","1","5","4","5","1","1","1") = "4"
    & skf21("2","1","5","4","5","1","2","1") = "4"
    & skf21("2","1","5","4","5","1","3","1") = "4"
    & skf21("2","1","5","4","5","1","4","1") = "4"
    & skf21("2","1","5","4","5","1","5","1") = "4"
    & skf21("2","1","5","4","5","1","6","1") = "5"
    & skf21("2","1","5","4","5","1","7","1") = "6"
    & skf21("2","1","5","4","5","2","1","1") = "4"
    & skf21("2","1","5","4","5","2","2","1") = "4"
    & skf21("2","1","5","4","5","2","3","1") = "4"
    & skf21("2","1","5","4","5","2","4","1") = "4"
    & skf21("2","1","5","4","5","2","5","1") = "4"
    & skf21("2","1","5","4","5","2","6","1") = "5"
    & skf21("2","1","5","4","5","2","7","1") = "6"
    & skf21("2","1","5","4","5","3","1","1") = "4"
    & skf21("2","1","5","4","5","3","2","1") = "4"
    & skf21("2","1","5","4","5","3","3","1") = "4"
    & skf21("2","1","5","4","5","3","4","1") = "4"
    & skf21("2","1","5","4","5","3","5","1") = "4"
    & skf21("2","1","5","4","5","3","6","1") = "5"
    & skf21("2","1","5","4","5","3","7","1") = "6"
    & skf21("2","1","5","4","5","4","1","1") = "4"
    & skf21("2","1","5","4","5","4","2","1") = "4"
    & skf21("2","1","5","4","5","4","3","1") = "4"
    & skf21("2","1","5","4","5","4","4","1") = "4"
    & skf21("2","1","5","4","5","4","5","1") = "4"
    & skf21("2","1","5","4","5","4","6","1") = "5"
    & skf21("2","1","5","4","5","4","7","1") = "6"
    & skf21("2","1","5","4","5","5","1","1") = "4"
    & skf21("2","1","5","4","5","5","2","1") = "4"
    & skf21("2","1","5","4","5","5","3","1") = "4"
    & skf21("2","1","5","4","5","5","4","1") = "4"
    & skf21("2","1","5","4","5","5","5","1") = "4"
    & skf21("2","1","5","4","5","5","6","1") = "5"
    & skf21("2","1","5","4","5","5","7","1") = "6"
    & skf21("2","1","5","4","5","6","1","1") = "5"
    & skf21("2","1","5","4","5","6","2","1") = "5"
    & skf21("2","1","5","4","5","6","3","1") = "5"
    & skf21("2","1","5","4","5","6","4","1") = "5"
    & skf21("2","1","5","4","5","6","5","1") = "5"
    & skf21("2","1","5","4","5","6","6","1") = "5"
    & skf21("2","1","5","4","5","6","7","1") = "6"
    & skf21("2","1","5","4","5","7","1","1") = "6"
    & skf21("2","1","5","4","5","7","2","1") = "6"
    & skf21("2","1","5","4","5","7","3","1") = "6"
    & skf21("2","1","5","4","5","7","4","1") = "6"
    & skf21("2","1","5","4","5","7","5","1") = "6"
    & skf21("2","1","5","4","5","7","6","1") = "6"
    & skf21("2","1","5","4","5","7","7","1") = "6"
    & skf21("2","1","5","4","6","1","1","1") = "5"
    & skf21("2","1","5","4","6","1","2","1") = "5"
    & skf21("2","1","5","4","6","1","3","1") = "5"
    & skf21("2","1","5","4","6","1","4","1") = "5"
    & skf21("2","1","5","4","6","1","5","1") = "5"
    & skf21("2","1","5","4","6","1","6","1") = "5"
    & skf21("2","1","5","4","6","1","7","1") = "6"
    & skf21("2","1","5","4","6","2","1","1") = "5"
    & skf21("2","1","5","4","6","2","2","1") = "5"
    & skf21("2","1","5","4","6","2","3","1") = "5"
    & skf21("2","1","5","4","6","2","4","1") = "5"
    & skf21("2","1","5","4","6","2","5","1") = "5"
    & skf21("2","1","5","4","6","2","6","1") = "5"
    & skf21("2","1","5","4","6","2","7","1") = "6"
    & skf21("2","1","5","4","6","3","1","1") = "5"
    & skf21("2","1","5","4","6","3","2","1") = "5"
    & skf21("2","1","5","4","6","3","3","1") = "5"
    & skf21("2","1","5","4","6","3","4","1") = "5"
    & skf21("2","1","5","4","6","3","5","1") = "5"
    & skf21("2","1","5","4","6","3","6","1") = "5"
    & skf21("2","1","5","4","6","3","7","1") = "6"
    & skf21("2","1","5","4","6","4","1","1") = "5"
    & skf21("2","1","5","4","6","4","2","1") = "5"
    & skf21("2","1","5","4","6","4","3","1") = "5"
    & skf21("2","1","5","4","6","4","4","1") = "5"
    & skf21("2","1","5","4","6","4","5","1") = "5"
    & skf21("2","1","5","4","6","4","6","1") = "5"
    & skf21("2","1","5","4","6","4","7","1") = "6"
    & skf21("2","1","5","4","6","5","1","1") = "5"
    & skf21("2","1","5","4","6","5","2","1") = "5"
    & skf21("2","1","5","4","6","5","3","1") = "5"
    & skf21("2","1","5","4","6","5","4","1") = "5"
    & skf21("2","1","5","4","6","5","5","1") = "5"
    & skf21("2","1","5","4","6","5","6","1") = "5"
    & skf21("2","1","5","4","6","5","7","1") = "6"
    & skf21("2","1","5","4","6","6","1","1") = "5"
    & skf21("2","1","5","4","6","6","2","1") = "5"
    & skf21("2","1","5","4","6","6","3","1") = "5"
    & skf21("2","1","5","4","6","6","4","1") = "5"
    & skf21("2","1","5","4","6","6","5","1") = "5"
    & skf21("2","1","5","4","6","6","6","1") = "5"
    & skf21("2","1","5","4","6","6","7","1") = "6"
    & skf21("2","1","5","4","6","7","1","1") = "6"
    & skf21("2","1","5","4","6","7","2","1") = "6"
    & skf21("2","1","5","4","6","7","3","1") = "6"
    & skf21("2","1","5","4","6","7","4","1") = "6"
    & skf21("2","1","5","4","6","7","5","1") = "6"
    & skf21("2","1","5","4","6","7","6","1") = "6"
    & skf21("2","1","5","4","6","7","7","1") = "6"
    & skf21("2","1","5","4","7","1","1","1") = "6"
    & skf21("2","1","5","4","7","1","2","1") = "6"
    & skf21("2","1","5","4","7","1","3","1") = "6"
    & skf21("2","1","5","4","7","1","4","1") = "6"
    & skf21("2","1","5","4","7","1","5","1") = "6"
    & skf21("2","1","5","4","7","1","6","1") = "6"
    & skf21("2","1","5","4","7","1","7","1") = "6"
    & skf21("2","1","5","4","7","2","1","1") = "6"
    & skf21("2","1","5","4","7","2","2","1") = "6"
    & skf21("2","1","5","4","7","2","3","1") = "6"
    & skf21("2","1","5","4","7","2","4","1") = "6"
    & skf21("2","1","5","4","7","2","5","1") = "6"
    & skf21("2","1","5","4","7","2","6","1") = "6"
    & skf21("2","1","5","4","7","2","7","1") = "6"
    & skf21("2","1","5","4","7","3","1","1") = "6"
    & skf21("2","1","5","4","7","3","2","1") = "6"
    & skf21("2","1","5","4","7","3","3","1") = "6"
    & skf21("2","1","5","4","7","3","4","1") = "6"
    & skf21("2","1","5","4","7","3","5","1") = "6"
    & skf21("2","1","5","4","7","3","6","1") = "6"
    & skf21("2","1","5","4","7","3","7","1") = "6"
    & skf21("2","1","5","4","7","4","1","1") = "6"
    & skf21("2","1","5","4","7","4","2","1") = "6"
    & skf21("2","1","5","4","7","4","3","1") = "6"
    & skf21("2","1","5","4","7","4","4","1") = "6"
    & skf21("2","1","5","4","7","4","5","1") = "6"
    & skf21("2","1","5","4","7","4","6","1") = "6"
    & skf21("2","1","5","4","7","4","7","1") = "6"
    & skf21("2","1","5","4","7","5","1","1") = "6"
    & skf21("2","1","5","4","7","5","2","1") = "6"
    & skf21("2","1","5","4","7","5","3","1") = "6"
    & skf21("2","1","5","4","7","5","4","1") = "6"
    & skf21("2","1","5","4","7","5","5","1") = "6"
    & skf21("2","1","5","4","7","5","6","1") = "6"
    & skf21("2","1","5","4","7","5","7","1") = "6"
    & skf21("2","1","5","4","7","6","1","1") = "6"
    & skf21("2","1","5","4","7","6","2","1") = "6"
    & skf21("2","1","5","4","7","6","3","1") = "6"
    & skf21("2","1","5","4","7","6","4","1") = "6"
    & skf21("2","1","5","4","7","6","5","1") = "6"
    & skf21("2","1","5","4","7","6","6","1") = "6"
    & skf21("2","1","5","4","7","6","7","1") = "6"
    & skf21("2","1","5","4","7","7","1","1") = "6"
    & skf21("2","1","5","4","7","7","2","1") = "6"
    & skf21("2","1","5","4","7","7","3","1") = "6"
    & skf21("2","1","5","4","7","7","4","1") = "6"
    & skf21("2","1","5","4","7","7","5","1") = "6"
    & skf21("2","1","5","4","7","7","6","1") = "6"
    & skf21("2","1","5","4","7","7","7","1") = "6"
    & skf21("2","1","5","5","1","1","1","1") = "4"
    & skf21("2","1","5","5","1","1","2","1") = "4"
    & skf21("2","1","5","5","1","1","3","1") = "4"
    & skf21("2","1","5","5","1","1","4","1") = "4"
    & skf21("2","1","5","5","1","1","5","1") = "4"
    & skf21("2","1","5","5","1","1","6","1") = "5"
    & skf21("2","1","5","5","1","1","7","1") = "6"
    & skf21("2","1","5","5","1","2","1","1") = "4"
    & skf21("2","1","5","5","1","2","2","1") = "4"
    & skf21("2","1","5","5","1","2","3","1") = "4"
    & skf21("2","1","5","5","1","2","4","1") = "4"
    & skf21("2","1","5","5","1","2","5","1") = "4"
    & skf21("2","1","5","5","1","2","6","1") = "5"
    & skf21("2","1","5","5","1","2","7","1") = "6"
    & skf21("2","1","5","5","1","3","1","1") = "4"
    & skf21("2","1","5","5","1","3","2","1") = "4"
    & skf21("2","1","5","5","1","3","3","1") = "4"
    & skf21("2","1","5","5","1","3","4","1") = "4"
    & skf21("2","1","5","5","1","3","5","1") = "4"
    & skf21("2","1","5","5","1","3","6","1") = "5"
    & skf21("2","1","5","5","1","3","7","1") = "6"
    & skf21("2","1","5","5","1","4","1","1") = "4"
    & skf21("2","1","5","5","1","4","2","1") = "4"
    & skf21("2","1","5","5","1","4","3","1") = "4"
    & skf21("2","1","5","5","1","4","4","1") = "4"
    & skf21("2","1","5","5","1","4","5","1") = "4"
    & skf21("2","1","5","5","1","4","6","1") = "5"
    & skf21("2","1","5","5","1","4","7","1") = "6"
    & skf21("2","1","5","5","1","5","1","1") = "4"
    & skf21("2","1","5","5","1","5","2","1") = "4"
    & skf21("2","1","5","5","1","5","3","1") = "4"
    & skf21("2","1","5","5","1","5","4","1") = "4"
    & skf21("2","1","5","5","1","5","5","1") = "4"
    & skf21("2","1","5","5","1","5","6","1") = "5"
    & skf21("2","1","5","5","1","5","7","1") = "6"
    & skf21("2","1","5","5","1","6","1","1") = "5"
    & skf21("2","1","5","5","1","6","2","1") = "5"
    & skf21("2","1","5","5","1","6","3","1") = "5"
    & skf21("2","1","5","5","1","6","4","1") = "5"
    & skf21("2","1","5","5","1","6","5","1") = "5"
    & skf21("2","1","5","5","1","6","6","1") = "5"
    & skf21("2","1","5","5","1","6","7","1") = "6"
    & skf21("2","1","5","5","1","7","1","1") = "6"
    & skf21("2","1","5","5","1","7","2","1") = "6"
    & skf21("2","1","5","5","1","7","3","1") = "6"
    & skf21("2","1","5","5","1","7","4","1") = "6"
    & skf21("2","1","5","5","1","7","5","1") = "6"
    & skf21("2","1","5","5","1","7","6","1") = "6"
    & skf21("2","1","5","5","1","7","7","1") = "6"
    & skf21("2","1","5","5","2","1","1","1") = "4"
    & skf21("2","1","5","5","2","1","2","1") = "4"
    & skf21("2","1","5","5","2","1","3","1") = "4"
    & skf21("2","1","5","5","2","1","4","1") = "4"
    & skf21("2","1","5","5","2","1","5","1") = "4"
    & skf21("2","1","5","5","2","1","6","1") = "5"
    & skf21("2","1","5","5","2","1","7","1") = "6"
    & skf21("2","1","5","5","2","2","1","1") = "4"
    & skf21("2","1","5","5","2","2","2","1") = "4"
    & skf21("2","1","5","5","2","2","3","1") = "4"
    & skf21("2","1","5","5","2","2","4","1") = "4"
    & skf21("2","1","5","5","2","2","5","1") = "4"
    & skf21("2","1","5","5","2","2","6","1") = "5"
    & skf21("2","1","5","5","2","2","7","1") = "6"
    & skf21("2","1","5","5","2","3","1","1") = "4"
    & skf21("2","1","5","5","2","3","2","1") = "4"
    & skf21("2","1","5","5","2","3","3","1") = "4"
    & skf21("2","1","5","5","2","3","4","1") = "4"
    & skf21("2","1","5","5","2","3","5","1") = "4"
    & skf21("2","1","5","5","2","3","6","1") = "5"
    & skf21("2","1","5","5","2","3","7","1") = "6"
    & skf21("2","1","5","5","2","4","1","1") = "4"
    & skf21("2","1","5","5","2","4","2","1") = "4"
    & skf21("2","1","5","5","2","4","3","1") = "4"
    & skf21("2","1","5","5","2","4","4","1") = "4"
    & skf21("2","1","5","5","2","4","5","1") = "4"
    & skf21("2","1","5","5","2","4","6","1") = "5"
    & skf21("2","1","5","5","2","4","7","1") = "6"
    & skf21("2","1","5","5","2","5","1","1") = "4"
    & skf21("2","1","5","5","2","5","2","1") = "4"
    & skf21("2","1","5","5","2","5","3","1") = "4"
    & skf21("2","1","5","5","2","5","4","1") = "4"
    & skf21("2","1","5","5","2","5","5","1") = "4"
    & skf21("2","1","5","5","2","5","6","1") = "5"
    & skf21("2","1","5","5","2","5","7","1") = "6"
    & skf21("2","1","5","5","2","6","1","1") = "5"
    & skf21("2","1","5","5","2","6","2","1") = "5"
    & skf21("2","1","5","5","2","6","3","1") = "5"
    & skf21("2","1","5","5","2","6","4","1") = "5"
    & skf21("2","1","5","5","2","6","5","1") = "5"
    & skf21("2","1","5","5","2","6","6","1") = "5"
    & skf21("2","1","5","5","2","6","7","1") = "6"
    & skf21("2","1","5","5","2","7","1","1") = "6"
    & skf21("2","1","5","5","2","7","2","1") = "6"
    & skf21("2","1","5","5","2","7","3","1") = "6"
    & skf21("2","1","5","5","2","7","4","1") = "6"
    & skf21("2","1","5","5","2","7","5","1") = "6"
    & skf21("2","1","5","5","2","7","6","1") = "6"
    & skf21("2","1","5","5","2","7","7","1") = "6"
    & skf21("2","1","5","5","3","1","1","1") = "4"
    & skf21("2","1","5","5","3","1","2","1") = "4"
    & skf21("2","1","5","5","3","1","3","1") = "4"
    & skf21("2","1","5","5","3","1","4","1") = "4"
    & skf21("2","1","5","5","3","1","5","1") = "4"
    & skf21("2","1","5","5","3","1","6","1") = "5"
    & skf21("2","1","5","5","3","1","7","1") = "6"
    & skf21("2","1","5","5","3","2","1","1") = "4"
    & skf21("2","1","5","5","3","2","2","1") = "4"
    & skf21("2","1","5","5","3","2","3","1") = "4"
    & skf21("2","1","5","5","3","2","4","1") = "4"
    & skf21("2","1","5","5","3","2","5","1") = "4"
    & skf21("2","1","5","5","3","2","6","1") = "5"
    & skf21("2","1","5","5","3","2","7","1") = "6"
    & skf21("2","1","5","5","3","3","1","1") = "4"
    & skf21("2","1","5","5","3","3","2","1") = "4"
    & skf21("2","1","5","5","3","3","3","1") = "4"
    & skf21("2","1","5","5","3","3","4","1") = "4"
    & skf21("2","1","5","5","3","3","5","1") = "4"
    & skf21("2","1","5","5","3","3","6","1") = "5"
    & skf21("2","1","5","5","3","3","7","1") = "6"
    & skf21("2","1","5","5","3","4","1","1") = "4"
    & skf21("2","1","5","5","3","4","2","1") = "4"
    & skf21("2","1","5","5","3","4","3","1") = "4"
    & skf21("2","1","5","5","3","4","4","1") = "4"
    & skf21("2","1","5","5","3","4","5","1") = "4"
    & skf21("2","1","5","5","3","4","6","1") = "5"
    & skf21("2","1","5","5","3","4","7","1") = "6"
    & skf21("2","1","5","5","3","5","1","1") = "4"
    & skf21("2","1","5","5","3","5","2","1") = "4"
    & skf21("2","1","5","5","3","5","3","1") = "4"
    & skf21("2","1","5","5","3","5","4","1") = "4"
    & skf21("2","1","5","5","3","5","5","1") = "4"
    & skf21("2","1","5","5","3","5","6","1") = "5"
    & skf21("2","1","5","5","3","5","7","1") = "6"
    & skf21("2","1","5","5","3","6","1","1") = "5"
    & skf21("2","1","5","5","3","6","2","1") = "5"
    & skf21("2","1","5","5","3","6","3","1") = "5"
    & skf21("2","1","5","5","3","6","4","1") = "5"
    & skf21("2","1","5","5","3","6","5","1") = "5"
    & skf21("2","1","5","5","3","6","6","1") = "5"
    & skf21("2","1","5","5","3","6","7","1") = "6"
    & skf21("2","1","5","5","3","7","1","1") = "6"
    & skf21("2","1","5","5","3","7","2","1") = "6"
    & skf21("2","1","5","5","3","7","3","1") = "6"
    & skf21("2","1","5","5","3","7","4","1") = "6"
    & skf21("2","1","5","5","3","7","5","1") = "6"
    & skf21("2","1","5","5","3","7","6","1") = "6"
    & skf21("2","1","5","5","3","7","7","1") = "6"
    & skf21("2","1","5","5","4","1","1","1") = "4"
    & skf21("2","1","5","5","4","1","2","1") = "4"
    & skf21("2","1","5","5","4","1","3","1") = "4"
    & skf21("2","1","5","5","4","1","4","1") = "4"
    & skf21("2","1","5","5","4","1","5","1") = "4"
    & skf21("2","1","5","5","4","1","6","1") = "5"
    & skf21("2","1","5","5","4","1","7","1") = "6"
    & skf21("2","1","5","5","4","2","1","1") = "4"
    & skf21("2","1","5","5","4","2","2","1") = "4"
    & skf21("2","1","5","5","4","2","3","1") = "4"
    & skf21("2","1","5","5","4","2","4","1") = "4"
    & skf21("2","1","5","5","4","2","5","1") = "4"
    & skf21("2","1","5","5","4","2","6","1") = "5"
    & skf21("2","1","5","5","4","2","7","1") = "6"
    & skf21("2","1","5","5","4","3","1","1") = "4"
    & skf21("2","1","5","5","4","3","2","1") = "4"
    & skf21("2","1","5","5","4","3","3","1") = "4"
    & skf21("2","1","5","5","4","3","4","1") = "4"
    & skf21("2","1","5","5","4","3","5","1") = "4"
    & skf21("2","1","5","5","4","3","6","1") = "5"
    & skf21("2","1","5","5","4","3","7","1") = "6"
    & skf21("2","1","5","5","4","4","1","1") = "4"
    & skf21("2","1","5","5","4","4","2","1") = "4"
    & skf21("2","1","5","5","4","4","3","1") = "4"
    & skf21("2","1","5","5","4","4","4","1") = "4"
    & skf21("2","1","5","5","4","4","5","1") = "4"
    & skf21("2","1","5","5","4","4","6","1") = "5"
    & skf21("2","1","5","5","4","4","7","1") = "6"
    & skf21("2","1","5","5","4","5","1","1") = "4"
    & skf21("2","1","5","5","4","5","2","1") = "4"
    & skf21("2","1","5","5","4","5","3","1") = "4"
    & skf21("2","1","5","5","4","5","4","1") = "4"
    & skf21("2","1","5","5","4","5","5","1") = "4"
    & skf21("2","1","5","5","4","5","6","1") = "5"
    & skf21("2","1","5","5","4","5","7","1") = "6"
    & skf21("2","1","5","5","4","6","1","1") = "5"
    & skf21("2","1","5","5","4","6","2","1") = "5"
    & skf21("2","1","5","5","4","6","3","1") = "5"
    & skf21("2","1","5","5","4","6","4","1") = "5"
    & skf21("2","1","5","5","4","6","5","1") = "5"
    & skf21("2","1","5","5","4","6","6","1") = "5"
    & skf21("2","1","5","5","4","6","7","1") = "6"
    & skf21("2","1","5","5","4","7","1","1") = "6"
    & skf21("2","1","5","5","4","7","2","1") = "6"
    & skf21("2","1","5","5","4","7","3","1") = "6"
    & skf21("2","1","5","5","4","7","4","1") = "6"
    & skf21("2","1","5","5","4","7","5","1") = "6"
    & skf21("2","1","5","5","4","7","6","1") = "6"
    & skf21("2","1","5","5","4","7","7","1") = "6"
    & skf21("2","1","5","5","5","1","1","1") = "4"
    & skf21("2","1","5","5","5","1","2","1") = "4"
    & skf21("2","1","5","5","5","1","3","1") = "4"
    & skf21("2","1","5","5","5","1","4","1") = "4"
    & skf21("2","1","5","5","5","1","5","1") = "4"
    & skf21("2","1","5","5","5","1","6","1") = "5"
    & skf21("2","1","5","5","5","1","7","1") = "6"
    & skf21("2","1","5","5","5","2","1","1") = "4"
    & skf21("2","1","5","5","5","2","2","1") = "4"
    & skf21("2","1","5","5","5","2","3","1") = "4"
    & skf21("2","1","5","5","5","2","4","1") = "4"
    & skf21("2","1","5","5","5","2","5","1") = "4"
    & skf21("2","1","5","5","5","2","6","1") = "5"
    & skf21("2","1","5","5","5","2","7","1") = "6"
    & skf21("2","1","5","5","5","3","1","1") = "4"
    & skf21("2","1","5","5","5","3","2","1") = "4"
    & skf21("2","1","5","5","5","3","3","1") = "4"
    & skf21("2","1","5","5","5","3","4","1") = "4"
    & skf21("2","1","5","5","5","3","5","1") = "4"
    & skf21("2","1","5","5","5","3","6","1") = "5"
    & skf21("2","1","5","5","5","3","7","1") = "6"
    & skf21("2","1","5","5","5","4","1","1") = "4"
    & skf21("2","1","5","5","5","4","2","1") = "4"
    & skf21("2","1","5","5","5","4","3","1") = "4"
    & skf21("2","1","5","5","5","4","4","1") = "4"
    & skf21("2","1","5","5","5","4","5","1") = "4"
    & skf21("2","1","5","5","5","4","6","1") = "5"
    & skf21("2","1","5","5","5","4","7","1") = "6"
    & skf21("2","1","5","5","5","5","1","1") = "4"
    & skf21("2","1","5","5","5","5","2","1") = "4"
    & skf21("2","1","5","5","5","5","3","1") = "4"
    & skf21("2","1","5","5","5","5","4","1") = "4"
    & skf21("2","1","5","5","5","5","5","1") = "4"
    & skf21("2","1","5","5","5","5","6","1") = "5"
    & skf21("2","1","5","5","5","5","7","1") = "6"
    & skf21("2","1","5","5","5","6","1","1") = "5"
    & skf21("2","1","5","5","5","6","2","1") = "5"
    & skf21("2","1","5","5","5","6","3","1") = "5"
    & skf21("2","1","5","5","5","6","4","1") = "5"
    & skf21("2","1","5","5","5","6","5","1") = "5"
    & skf21("2","1","5","5","5","6","6","1") = "5"
    & skf21("2","1","5","5","5","6","7","1") = "6"
    & skf21("2","1","5","5","5","7","1","1") = "6"
    & skf21("2","1","5","5","5","7","2","1") = "6"
    & skf21("2","1","5","5","5","7","3","1") = "6"
    & skf21("2","1","5","5","5","7","4","1") = "6"
    & skf21("2","1","5","5","5","7","5","1") = "6"
    & skf21("2","1","5","5","5","7","6","1") = "6"
    & skf21("2","1","5","5","5","7","7","1") = "6"
    & skf21("2","1","5","5","6","1","1","1") = "5"
    & skf21("2","1","5","5","6","1","2","1") = "5"
    & skf21("2","1","5","5","6","1","3","1") = "5"
    & skf21("2","1","5","5","6","1","4","1") = "5"
    & skf21("2","1","5","5","6","1","5","1") = "5"
    & skf21("2","1","5","5","6","1","6","1") = "5"
    & skf21("2","1","5","5","6","1","7","1") = "6"
    & skf21("2","1","5","5","6","2","1","1") = "5"
    & skf21("2","1","5","5","6","2","2","1") = "5"
    & skf21("2","1","5","5","6","2","3","1") = "5"
    & skf21("2","1","5","5","6","2","4","1") = "5"
    & skf21("2","1","5","5","6","2","5","1") = "5"
    & skf21("2","1","5","5","6","2","6","1") = "5"
    & skf21("2","1","5","5","6","2","7","1") = "6"
    & skf21("2","1","5","5","6","3","1","1") = "5"
    & skf21("2","1","5","5","6","3","2","1") = "5"
    & skf21("2","1","5","5","6","3","3","1") = "5"
    & skf21("2","1","5","5","6","3","4","1") = "5"
    & skf21("2","1","5","5","6","3","5","1") = "5"
    & skf21("2","1","5","5","6","3","6","1") = "5"
    & skf21("2","1","5","5","6","3","7","1") = "6"
    & skf21("2","1","5","5","6","4","1","1") = "5"
    & skf21("2","1","5","5","6","4","2","1") = "5"
    & skf21("2","1","5","5","6","4","3","1") = "5"
    & skf21("2","1","5","5","6","4","4","1") = "5"
    & skf21("2","1","5","5","6","4","5","1") = "5"
    & skf21("2","1","5","5","6","4","6","1") = "5"
    & skf21("2","1","5","5","6","4","7","1") = "6"
    & skf21("2","1","5","5","6","5","1","1") = "5"
    & skf21("2","1","5","5","6","5","2","1") = "5"
    & skf21("2","1","5","5","6","5","3","1") = "5"
    & skf21("2","1","5","5","6","5","4","1") = "5"
    & skf21("2","1","5","5","6","5","5","1") = "5"
    & skf21("2","1","5","5","6","5","6","1") = "5"
    & skf21("2","1","5","5","6","5","7","1") = "6"
    & skf21("2","1","5","5","6","6","1","1") = "5"
    & skf21("2","1","5","5","6","6","2","1") = "5"
    & skf21("2","1","5","5","6","6","3","1") = "5"
    & skf21("2","1","5","5","6","6","4","1") = "5"
    & skf21("2","1","5","5","6","6","5","1") = "5"
    & skf21("2","1","5","5","6","6","6","1") = "5"
    & skf21("2","1","5","5","6","6","7","1") = "6"
    & skf21("2","1","5","5","6","7","1","1") = "6"
    & skf21("2","1","5","5","6","7","2","1") = "6"
    & skf21("2","1","5","5","6","7","3","1") = "6"
    & skf21("2","1","5","5","6","7","4","1") = "6"
    & skf21("2","1","5","5","6","7","5","1") = "6"
    & skf21("2","1","5","5","6","7","6","1") = "6"
    & skf21("2","1","5","5","6","7","7","1") = "6"
    & skf21("2","1","5","5","7","1","1","1") = "6"
    & skf21("2","1","5","5","7","1","2","1") = "6"
    & skf21("2","1","5","5","7","1","3","1") = "6"
    & skf21("2","1","5","5","7","1","4","1") = "6"
    & skf21("2","1","5","5","7","1","5","1") = "6"
    & skf21("2","1","5","5","7","1","6","1") = "6"
    & skf21("2","1","5","5","7","1","7","1") = "6"
    & skf21("2","1","5","5","7","2","1","1") = "6"
    & skf21("2","1","5","5","7","2","2","1") = "6"
    & skf21("2","1","5","5","7","2","3","1") = "6"
    & skf21("2","1","5","5","7","2","4","1") = "6"
    & skf21("2","1","5","5","7","2","5","1") = "6"
    & skf21("2","1","5","5","7","2","6","1") = "6"
    & skf21("2","1","5","5","7","2","7","1") = "6"
    & skf21("2","1","5","5","7","3","1","1") = "6"
    & skf21("2","1","5","5","7","3","2","1") = "6"
    & skf21("2","1","5","5","7","3","3","1") = "6"
    & skf21("2","1","5","5","7","3","4","1") = "6"
    & skf21("2","1","5","5","7","3","5","1") = "6"
    & skf21("2","1","5","5","7","3","6","1") = "6"
    & skf21("2","1","5","5","7","3","7","1") = "6"
    & skf21("2","1","5","5","7","4","1","1") = "6"
    & skf21("2","1","5","5","7","4","2","1") = "6"
    & skf21("2","1","5","5","7","4","3","1") = "6"
    & skf21("2","1","5","5","7","4","4","1") = "6"
    & skf21("2","1","5","5","7","4","5","1") = "6"
    & skf21("2","1","5","5","7","4","6","1") = "6"
    & skf21("2","1","5","5","7","4","7","1") = "6"
    & skf21("2","1","5","5","7","5","1","1") = "6"
    & skf21("2","1","5","5","7","5","2","1") = "6"
    & skf21("2","1","5","5","7","5","3","1") = "6"
    & skf21("2","1","5","5","7","5","4","1") = "6"
    & skf21("2","1","5","5","7","5","5","1") = "6"
    & skf21("2","1","5","5","7","5","6","1") = "6"
    & skf21("2","1","5","5","7","5","7","1") = "6"
    & skf21("2","1","5","5","7","6","1","1") = "6"
    & skf21("2","1","5","5","7","6","2","1") = "6"
    & skf21("2","1","5","5","7","6","3","1") = "6"
    & skf21("2","1","5","5","7","6","4","1") = "6"
    & skf21("2","1","5","5","7","6","5","1") = "6"
    & skf21("2","1","5","5","7","6","6","1") = "6"
    & skf21("2","1","5","5","7","6","7","1") = "6"
    & skf21("2","1","5","5","7","7","1","1") = "6"
    & skf21("2","1","5","5","7","7","2","1") = "6"
    & skf21("2","1","5","5","7","7","3","1") = "6"
    & skf21("2","1","5","5","7","7","4","1") = "6"
    & skf21("2","1","5","5","7","7","5","1") = "6"
    & skf21("2","1","5","5","7","7","6","1") = "6"
    & skf21("2","1","5","5","7","7","7","1") = "6"
    & skf21("2","1","5","6","1","1","1","1") = "5"
    & skf21("2","1","5","6","1","1","2","1") = "5"
    & skf21("2","1","5","6","1","1","3","1") = "5"
    & skf21("2","1","5","6","1","1","4","1") = "5"
    & skf21("2","1","5","6","1","1","5","1") = "5"
    & skf21("2","1","5","6","1","1","6","1") = "5"
    & skf21("2","1","5","6","1","1","7","1") = "6"
    & skf21("2","1","5","6","1","2","1","1") = "5"
    & skf21("2","1","5","6","1","2","2","1") = "5"
    & skf21("2","1","5","6","1","2","3","1") = "5"
    & skf21("2","1","5","6","1","2","4","1") = "5"
    & skf21("2","1","5","6","1","2","5","1") = "5"
    & skf21("2","1","5","6","1","2","6","1") = "5"
    & skf21("2","1","5","6","1","2","7","1") = "6"
    & skf21("2","1","5","6","1","3","1","1") = "5"
    & skf21("2","1","5","6","1","3","2","1") = "5"
    & skf21("2","1","5","6","1","3","3","1") = "5"
    & skf21("2","1","5","6","1","3","4","1") = "5"
    & skf21("2","1","5","6","1","3","5","1") = "5"
    & skf21("2","1","5","6","1","3","6","1") = "5"
    & skf21("2","1","5","6","1","3","7","1") = "6"
    & skf21("2","1","5","6","1","4","1","1") = "5"
    & skf21("2","1","5","6","1","4","2","1") = "5"
    & skf21("2","1","5","6","1","4","3","1") = "5"
    & skf21("2","1","5","6","1","4","4","1") = "5"
    & skf21("2","1","5","6","1","4","5","1") = "5"
    & skf21("2","1","5","6","1","4","6","1") = "5"
    & skf21("2","1","5","6","1","4","7","1") = "6"
    & skf21("2","1","5","6","1","5","1","1") = "5"
    & skf21("2","1","5","6","1","5","2","1") = "5"
    & skf21("2","1","5","6","1","5","3","1") = "5"
    & skf21("2","1","5","6","1","5","4","1") = "5"
    & skf21("2","1","5","6","1","5","5","1") = "5"
    & skf21("2","1","5","6","1","5","6","1") = "5"
    & skf21("2","1","5","6","1","5","7","1") = "6"
    & skf21("2","1","5","6","1","6","1","1") = "5"
    & skf21("2","1","5","6","1","6","2","1") = "5"
    & skf21("2","1","5","6","1","6","3","1") = "5"
    & skf21("2","1","5","6","1","6","4","1") = "5"
    & skf21("2","1","5","6","1","6","5","1") = "5"
    & skf21("2","1","5","6","1","6","6","1") = "5"
    & skf21("2","1","5","6","1","6","7","1") = "6"
    & skf21("2","1","5","6","1","7","1","1") = "6"
    & skf21("2","1","5","6","1","7","2","1") = "6"
    & skf21("2","1","5","6","1","7","3","1") = "6"
    & skf21("2","1","5","6","1","7","4","1") = "6"
    & skf21("2","1","5","6","1","7","5","1") = "6"
    & skf21("2","1","5","6","1","7","6","1") = "6"
    & skf21("2","1","5","6","1","7","7","1") = "6"
    & skf21("2","1","5","6","2","1","1","1") = "5"
    & skf21("2","1","5","6","2","1","2","1") = "5"
    & skf21("2","1","5","6","2","1","3","1") = "5"
    & skf21("2","1","5","6","2","1","4","1") = "5"
    & skf21("2","1","5","6","2","1","5","1") = "5"
    & skf21("2","1","5","6","2","1","6","1") = "5"
    & skf21("2","1","5","6","2","1","7","1") = "6"
    & skf21("2","1","5","6","2","2","1","1") = "5"
    & skf21("2","1","5","6","2","2","2","1") = "5"
    & skf21("2","1","5","6","2","2","3","1") = "5"
    & skf21("2","1","5","6","2","2","4","1") = "5"
    & skf21("2","1","5","6","2","2","5","1") = "5"
    & skf21("2","1","5","6","2","2","6","1") = "5"
    & skf21("2","1","5","6","2","2","7","1") = "6"
    & skf21("2","1","5","6","2","3","1","1") = "5"
    & skf21("2","1","5","6","2","3","2","1") = "5"
    & skf21("2","1","5","6","2","3","3","1") = "5"
    & skf21("2","1","5","6","2","3","4","1") = "5"
    & skf21("2","1","5","6","2","3","5","1") = "5"
    & skf21("2","1","5","6","2","3","6","1") = "5"
    & skf21("2","1","5","6","2","3","7","1") = "6"
    & skf21("2","1","5","6","2","4","1","1") = "5"
    & skf21("2","1","5","6","2","4","2","1") = "5"
    & skf21("2","1","5","6","2","4","3","1") = "5"
    & skf21("2","1","5","6","2","4","4","1") = "5"
    & skf21("2","1","5","6","2","4","5","1") = "5"
    & skf21("2","1","5","6","2","4","6","1") = "5"
    & skf21("2","1","5","6","2","4","7","1") = "6"
    & skf21("2","1","5","6","2","5","1","1") = "5"
    & skf21("2","1","5","6","2","5","2","1") = "5"
    & skf21("2","1","5","6","2","5","3","1") = "5"
    & skf21("2","1","5","6","2","5","4","1") = "5"
    & skf21("2","1","5","6","2","5","5","1") = "5"
    & skf21("2","1","5","6","2","5","6","1") = "5"
    & skf21("2","1","5","6","2","5","7","1") = "6"
    & skf21("2","1","5","6","2","6","1","1") = "5"
    & skf21("2","1","5","6","2","6","2","1") = "5"
    & skf21("2","1","5","6","2","6","3","1") = "5"
    & skf21("2","1","5","6","2","6","4","1") = "5"
    & skf21("2","1","5","6","2","6","5","1") = "5"
    & skf21("2","1","5","6","2","6","6","1") = "5"
    & skf21("2","1","5","6","2","6","7","1") = "6"
    & skf21("2","1","5","6","2","7","1","1") = "6"
    & skf21("2","1","5","6","2","7","2","1") = "6"
    & skf21("2","1","5","6","2","7","3","1") = "6"
    & skf21("2","1","5","6","2","7","4","1") = "6"
    & skf21("2","1","5","6","2","7","5","1") = "6"
    & skf21("2","1","5","6","2","7","6","1") = "6"
    & skf21("2","1","5","6","2","7","7","1") = "6"
    & skf21("2","1","5","6","3","1","1","1") = "5"
    & skf21("2","1","5","6","3","1","2","1") = "5"
    & skf21("2","1","5","6","3","1","3","1") = "5"
    & skf21("2","1","5","6","3","1","4","1") = "5"
    & skf21("2","1","5","6","3","1","5","1") = "5"
    & skf21("2","1","5","6","3","1","6","1") = "5"
    & skf21("2","1","5","6","3","1","7","1") = "6"
    & skf21("2","1","5","6","3","2","1","1") = "5"
    & skf21("2","1","5","6","3","2","2","1") = "5"
    & skf21("2","1","5","6","3","2","3","1") = "5"
    & skf21("2","1","5","6","3","2","4","1") = "5"
    & skf21("2","1","5","6","3","2","5","1") = "5"
    & skf21("2","1","5","6","3","2","6","1") = "5"
    & skf21("2","1","5","6","3","2","7","1") = "6"
    & skf21("2","1","5","6","3","3","1","1") = "5"
    & skf21("2","1","5","6","3","3","2","1") = "5"
    & skf21("2","1","5","6","3","3","3","1") = "5"
    & skf21("2","1","5","6","3","3","4","1") = "5"
    & skf21("2","1","5","6","3","3","5","1") = "5"
    & skf21("2","1","5","6","3","3","6","1") = "5"
    & skf21("2","1","5","6","3","3","7","1") = "6"
    & skf21("2","1","5","6","3","4","1","1") = "5"
    & skf21("2","1","5","6","3","4","2","1") = "5"
    & skf21("2","1","5","6","3","4","3","1") = "5"
    & skf21("2","1","5","6","3","4","4","1") = "5"
    & skf21("2","1","5","6","3","4","5","1") = "5"
    & skf21("2","1","5","6","3","4","6","1") = "5"
    & skf21("2","1","5","6","3","4","7","1") = "6"
    & skf21("2","1","5","6","3","5","1","1") = "5"
    & skf21("2","1","5","6","3","5","2","1") = "5"
    & skf21("2","1","5","6","3","5","3","1") = "5"
    & skf21("2","1","5","6","3","5","4","1") = "5"
    & skf21("2","1","5","6","3","5","5","1") = "5"
    & skf21("2","1","5","6","3","5","6","1") = "5"
    & skf21("2","1","5","6","3","5","7","1") = "6"
    & skf21("2","1","5","6","3","6","1","1") = "5"
    & skf21("2","1","5","6","3","6","2","1") = "5"
    & skf21("2","1","5","6","3","6","3","1") = "5"
    & skf21("2","1","5","6","3","6","4","1") = "5"
    & skf21("2","1","5","6","3","6","5","1") = "5"
    & skf21("2","1","5","6","3","6","6","1") = "5"
    & skf21("2","1","5","6","3","6","7","1") = "6"
    & skf21("2","1","5","6","3","7","1","1") = "6"
    & skf21("2","1","5","6","3","7","2","1") = "6"
    & skf21("2","1","5","6","3","7","3","1") = "6"
    & skf21("2","1","5","6","3","7","4","1") = "6"
    & skf21("2","1","5","6","3","7","5","1") = "6"
    & skf21("2","1","5","6","3","7","6","1") = "6"
    & skf21("2","1","5","6","3","7","7","1") = "6"
    & skf21("2","1","5","6","4","1","1","1") = "5"
    & skf21("2","1","5","6","4","1","2","1") = "5"
    & skf21("2","1","5","6","4","1","3","1") = "5"
    & skf21("2","1","5","6","4","1","4","1") = "5"
    & skf21("2","1","5","6","4","1","5","1") = "5"
    & skf21("2","1","5","6","4","1","6","1") = "5"
    & skf21("2","1","5","6","4","1","7","1") = "6"
    & skf21("2","1","5","6","4","2","1","1") = "5"
    & skf21("2","1","5","6","4","2","2","1") = "5"
    & skf21("2","1","5","6","4","2","3","1") = "5"
    & skf21("2","1","5","6","4","2","4","1") = "5"
    & skf21("2","1","5","6","4","2","5","1") = "5"
    & skf21("2","1","5","6","4","2","6","1") = "5"
    & skf21("2","1","5","6","4","2","7","1") = "6"
    & skf21("2","1","5","6","4","3","1","1") = "5"
    & skf21("2","1","5","6","4","3","2","1") = "5"
    & skf21("2","1","5","6","4","3","3","1") = "5"
    & skf21("2","1","5","6","4","3","4","1") = "5"
    & skf21("2","1","5","6","4","3","5","1") = "5"
    & skf21("2","1","5","6","4","3","6","1") = "5"
    & skf21("2","1","5","6","4","3","7","1") = "6"
    & skf21("2","1","5","6","4","4","1","1") = "5"
    & skf21("2","1","5","6","4","4","2","1") = "5"
    & skf21("2","1","5","6","4","4","3","1") = "5"
    & skf21("2","1","5","6","4","4","4","1") = "5"
    & skf21("2","1","5","6","4","4","5","1") = "5"
    & skf21("2","1","5","6","4","4","6","1") = "5"
    & skf21("2","1","5","6","4","4","7","1") = "6"
    & skf21("2","1","5","6","4","5","1","1") = "5"
    & skf21("2","1","5","6","4","5","2","1") = "5"
    & skf21("2","1","5","6","4","5","3","1") = "5"
    & skf21("2","1","5","6","4","5","4","1") = "5"
    & skf21("2","1","5","6","4","5","5","1") = "5"
    & skf21("2","1","5","6","4","5","6","1") = "5"
    & skf21("2","1","5","6","4","5","7","1") = "6"
    & skf21("2","1","5","6","4","6","1","1") = "5"
    & skf21("2","1","5","6","4","6","2","1") = "5"
    & skf21("2","1","5","6","4","6","3","1") = "5"
    & skf21("2","1","5","6","4","6","4","1") = "5"
    & skf21("2","1","5","6","4","6","5","1") = "5"
    & skf21("2","1","5","6","4","6","6","1") = "5"
    & skf21("2","1","5","6","4","6","7","1") = "6"
    & skf21("2","1","5","6","4","7","1","1") = "6"
    & skf21("2","1","5","6","4","7","2","1") = "6"
    & skf21("2","1","5","6","4","7","3","1") = "6"
    & skf21("2","1","5","6","4","7","4","1") = "6"
    & skf21("2","1","5","6","4","7","5","1") = "6"
    & skf21("2","1","5","6","4","7","6","1") = "6"
    & skf21("2","1","5","6","4","7","7","1") = "6"
    & skf21("2","1","5","6","5","1","1","1") = "5"
    & skf21("2","1","5","6","5","1","2","1") = "5"
    & skf21("2","1","5","6","5","1","3","1") = "5"
    & skf21("2","1","5","6","5","1","4","1") = "5"
    & skf21("2","1","5","6","5","1","5","1") = "5"
    & skf21("2","1","5","6","5","1","6","1") = "5"
    & skf21("2","1","5","6","5","1","7","1") = "6"
    & skf21("2","1","5","6","5","2","1","1") = "5"
    & skf21("2","1","5","6","5","2","2","1") = "5"
    & skf21("2","1","5","6","5","2","3","1") = "5"
    & skf21("2","1","5","6","5","2","4","1") = "5"
    & skf21("2","1","5","6","5","2","5","1") = "5"
    & skf21("2","1","5","6","5","2","6","1") = "5"
    & skf21("2","1","5","6","5","2","7","1") = "6"
    & skf21("2","1","5","6","5","3","1","1") = "5"
    & skf21("2","1","5","6","5","3","2","1") = "5"
    & skf21("2","1","5","6","5","3","3","1") = "5"
    & skf21("2","1","5","6","5","3","4","1") = "5"
    & skf21("2","1","5","6","5","3","5","1") = "5"
    & skf21("2","1","5","6","5","3","6","1") = "5"
    & skf21("2","1","5","6","5","3","7","1") = "6"
    & skf21("2","1","5","6","5","4","1","1") = "5"
    & skf21("2","1","5","6","5","4","2","1") = "5"
    & skf21("2","1","5","6","5","4","3","1") = "5"
    & skf21("2","1","5","6","5","4","4","1") = "5"
    & skf21("2","1","5","6","5","4","5","1") = "5"
    & skf21("2","1","5","6","5","4","6","1") = "5"
    & skf21("2","1","5","6","5","4","7","1") = "6"
    & skf21("2","1","5","6","5","5","1","1") = "5"
    & skf21("2","1","5","6","5","5","2","1") = "5"
    & skf21("2","1","5","6","5","5","3","1") = "5"
    & skf21("2","1","5","6","5","5","4","1") = "5"
    & skf21("2","1","5","6","5","5","5","1") = "5"
    & skf21("2","1","5","6","5","5","6","1") = "5"
    & skf21("2","1","5","6","5","5","7","1") = "6"
    & skf21("2","1","5","6","5","6","1","1") = "5"
    & skf21("2","1","5","6","5","6","2","1") = "5"
    & skf21("2","1","5","6","5","6","3","1") = "5"
    & skf21("2","1","5","6","5","6","4","1") = "5"
    & skf21("2","1","5","6","5","6","5","1") = "5"
    & skf21("2","1","5","6","5","6","6","1") = "5"
    & skf21("2","1","5","6","5","6","7","1") = "6"
    & skf21("2","1","5","6","5","7","1","1") = "6"
    & skf21("2","1","5","6","5","7","2","1") = "6"
    & skf21("2","1","5","6","5","7","3","1") = "6"
    & skf21("2","1","5","6","5","7","4","1") = "6"
    & skf21("2","1","5","6","5","7","5","1") = "6"
    & skf21("2","1","5","6","5","7","6","1") = "6"
    & skf21("2","1","5","6","5","7","7","1") = "6"
    & skf21("2","1","5","6","6","1","1","1") = "5"
    & skf21("2","1","5","6","6","1","2","1") = "5"
    & skf21("2","1","5","6","6","1","3","1") = "5"
    & skf21("2","1","5","6","6","1","4","1") = "5"
    & skf21("2","1","5","6","6","1","5","1") = "5"
    & skf21("2","1","5","6","6","1","6","1") = "5"
    & skf21("2","1","5","6","6","1","7","1") = "6"
    & skf21("2","1","5","6","6","2","1","1") = "5"
    & skf21("2","1","5","6","6","2","2","1") = "5"
    & skf21("2","1","5","6","6","2","3","1") = "5"
    & skf21("2","1","5","6","6","2","4","1") = "5"
    & skf21("2","1","5","6","6","2","5","1") = "5"
    & skf21("2","1","5","6","6","2","6","1") = "5"
    & skf21("2","1","5","6","6","2","7","1") = "6"
    & skf21("2","1","5","6","6","3","1","1") = "5"
    & skf21("2","1","5","6","6","3","2","1") = "5"
    & skf21("2","1","5","6","6","3","3","1") = "5"
    & skf21("2","1","5","6","6","3","4","1") = "5"
    & skf21("2","1","5","6","6","3","5","1") = "5"
    & skf21("2","1","5","6","6","3","6","1") = "5"
    & skf21("2","1","5","6","6","3","7","1") = "6"
    & skf21("2","1","5","6","6","4","1","1") = "5"
    & skf21("2","1","5","6","6","4","2","1") = "5"
    & skf21("2","1","5","6","6","4","3","1") = "5"
    & skf21("2","1","5","6","6","4","4","1") = "5"
    & skf21("2","1","5","6","6","4","5","1") = "5"
    & skf21("2","1","5","6","6","4","6","1") = "5"
    & skf21("2","1","5","6","6","4","7","1") = "6"
    & skf21("2","1","5","6","6","5","1","1") = "5"
    & skf21("2","1","5","6","6","5","2","1") = "5"
    & skf21("2","1","5","6","6","5","3","1") = "5"
    & skf21("2","1","5","6","6","5","4","1") = "5"
    & skf21("2","1","5","6","6","5","5","1") = "5"
    & skf21("2","1","5","6","6","5","6","1") = "5"
    & skf21("2","1","5","6","6","5","7","1") = "6"
    & skf21("2","1","5","6","6","6","1","1") = "5"
    & skf21("2","1","5","6","6","6","2","1") = "5"
    & skf21("2","1","5","6","6","6","3","1") = "5"
    & skf21("2","1","5","6","6","6","4","1") = "5"
    & skf21("2","1","5","6","6","6","5","1") = "5"
    & skf21("2","1","5","6","6","6","6","1") = "5"
    & skf21("2","1","5","6","6","6","7","1") = "6"
    & skf21("2","1","5","6","6","7","1","1") = "6"
    & skf21("2","1","5","6","6","7","2","1") = "6"
    & skf21("2","1","5","6","6","7","3","1") = "6"
    & skf21("2","1","5","6","6","7","4","1") = "6"
    & skf21("2","1","5","6","6","7","5","1") = "6"
    & skf21("2","1","5","6","6","7","6","1") = "6"
    & skf21("2","1","5","6","6","7","7","1") = "6"
    & skf21("2","1","5","6","7","1","1","1") = "6"
    & skf21("2","1","5","6","7","1","2","1") = "6"
    & skf21("2","1","5","6","7","1","3","1") = "6"
    & skf21("2","1","5","6","7","1","4","1") = "6"
    & skf21("2","1","5","6","7","1","5","1") = "6"
    & skf21("2","1","5","6","7","1","6","1") = "6"
    & skf21("2","1","5","6","7","1","7","1") = "6"
    & skf21("2","1","5","6","7","2","1","1") = "6"
    & skf21("2","1","5","6","7","2","2","1") = "6"
    & skf21("2","1","5","6","7","2","3","1") = "6"
    & skf21("2","1","5","6","7","2","4","1") = "6"
    & skf21("2","1","5","6","7","2","5","1") = "6"
    & skf21("2","1","5","6","7","2","6","1") = "6"
    & skf21("2","1","5","6","7","2","7","1") = "6"
    & skf21("2","1","5","6","7","3","1","1") = "6"
    & skf21("2","1","5","6","7","3","2","1") = "6"
    & skf21("2","1","5","6","7","3","3","1") = "6"
    & skf21("2","1","5","6","7","3","4","1") = "6"
    & skf21("2","1","5","6","7","3","5","1") = "6"
    & skf21("2","1","5","6","7","3","6","1") = "6"
    & skf21("2","1","5","6","7","3","7","1") = "6"
    & skf21("2","1","5","6","7","4","1","1") = "6"
    & skf21("2","1","5","6","7","4","2","1") = "6"
    & skf21("2","1","5","6","7","4","3","1") = "6"
    & skf21("2","1","5","6","7","4","4","1") = "6"
    & skf21("2","1","5","6","7","4","5","1") = "6"
    & skf21("2","1","5","6","7","4","6","1") = "6"
    & skf21("2","1","5","6","7","4","7","1") = "6"
    & skf21("2","1","5","6","7","5","1","1") = "6"
    & skf21("2","1","5","6","7","5","2","1") = "6"
    & skf21("2","1","5","6","7","5","3","1") = "6"
    & skf21("2","1","5","6","7","5","4","1") = "6"
    & skf21("2","1","5","6","7","5","5","1") = "6"
    & skf21("2","1","5","6","7","5","6","1") = "6"
    & skf21("2","1","5","6","7","5","7","1") = "6"
    & skf21("2","1","5","6","7","6","1","1") = "6"
    & skf21("2","1","5","6","7","6","2","1") = "6"
    & skf21("2","1","5","6","7","6","3","1") = "6"
    & skf21("2","1","5","6","7","6","4","1") = "6"
    & skf21("2","1","5","6","7","6","5","1") = "6"
    & skf21("2","1","5","6","7","6","6","1") = "6"
    & skf21("2","1","5","6","7","6","7","1") = "6"
    & skf21("2","1","5","6","7","7","1","1") = "6"
    & skf21("2","1","5","6","7","7","2","1") = "6"
    & skf21("2","1","5","6","7","7","3","1") = "6"
    & skf21("2","1","5","6","7","7","4","1") = "6"
    & skf21("2","1","5","6","7","7","5","1") = "6"
    & skf21("2","1","5","6","7","7","6","1") = "6"
    & skf21("2","1","5","6","7","7","7","1") = "6"
    & skf21("2","1","5","7","1","1","1","1") = "6"
    & skf21("2","1","5","7","1","1","2","1") = "6"
    & skf21("2","1","5","7","1","1","3","1") = "6"
    & skf21("2","1","5","7","1","1","4","1") = "6"
    & skf21("2","1","5","7","1","1","5","1") = "6"
    & skf21("2","1","5","7","1","1","6","1") = "6"
    & skf21("2","1","5","7","1","1","7","1") = "6"
    & skf21("2","1","5","7","1","2","1","1") = "6"
    & skf21("2","1","5","7","1","2","2","1") = "6"
    & skf21("2","1","5","7","1","2","3","1") = "6"
    & skf21("2","1","5","7","1","2","4","1") = "6"
    & skf21("2","1","5","7","1","2","5","1") = "6"
    & skf21("2","1","5","7","1","2","6","1") = "6"
    & skf21("2","1","5","7","1","2","7","1") = "6"
    & skf21("2","1","5","7","1","3","1","1") = "6"
    & skf21("2","1","5","7","1","3","2","1") = "6"
    & skf21("2","1","5","7","1","3","3","1") = "6"
    & skf21("2","1","5","7","1","3","4","1") = "6"
    & skf21("2","1","5","7","1","3","5","1") = "6"
    & skf21("2","1","5","7","1","3","6","1") = "6"
    & skf21("2","1","5","7","1","3","7","1") = "6"
    & skf21("2","1","5","7","1","4","1","1") = "6"
    & skf21("2","1","5","7","1","4","2","1") = "6"
    & skf21("2","1","5","7","1","4","3","1") = "6"
    & skf21("2","1","5","7","1","4","4","1") = "6"
    & skf21("2","1","5","7","1","4","5","1") = "6"
    & skf21("2","1","5","7","1","4","6","1") = "6"
    & skf21("2","1","5","7","1","4","7","1") = "6"
    & skf21("2","1","5","7","1","5","1","1") = "6"
    & skf21("2","1","5","7","1","5","2","1") = "6"
    & skf21("2","1","5","7","1","5","3","1") = "6"
    & skf21("2","1","5","7","1","5","4","1") = "6"
    & skf21("2","1","5","7","1","5","5","1") = "6"
    & skf21("2","1","5","7","1","5","6","1") = "6"
    & skf21("2","1","5","7","1","5","7","1") = "6"
    & skf21("2","1","5","7","1","6","1","1") = "6"
    & skf21("2","1","5","7","1","6","2","1") = "6"
    & skf21("2","1","5","7","1","6","3","1") = "6"
    & skf21("2","1","5","7","1","6","4","1") = "6"
    & skf21("2","1","5","7","1","6","5","1") = "6"
    & skf21("2","1","5","7","1","6","6","1") = "6"
    & skf21("2","1","5","7","1","6","7","1") = "6"
    & skf21("2","1","5","7","1","7","1","1") = "6"
    & skf21("2","1","5","7","1","7","2","1") = "6"
    & skf21("2","1","5","7","1","7","3","1") = "6"
    & skf21("2","1","5","7","1","7","4","1") = "6"
    & skf21("2","1","5","7","1","7","5","1") = "6"
    & skf21("2","1","5","7","1","7","6","1") = "6"
    & skf21("2","1","5","7","1","7","7","1") = "6"
    & skf21("2","1","5","7","2","1","1","1") = "6"
    & skf21("2","1","5","7","2","1","2","1") = "6"
    & skf21("2","1","5","7","2","1","3","1") = "6"
    & skf21("2","1","5","7","2","1","4","1") = "6"
    & skf21("2","1","5","7","2","1","5","1") = "6"
    & skf21("2","1","5","7","2","1","6","1") = "6"
    & skf21("2","1","5","7","2","1","7","1") = "6"
    & skf21("2","1","5","7","2","2","1","1") = "6"
    & skf21("2","1","5","7","2","2","2","1") = "6"
    & skf21("2","1","5","7","2","2","3","1") = "6"
    & skf21("2","1","5","7","2","2","4","1") = "6"
    & skf21("2","1","5","7","2","2","5","1") = "6"
    & skf21("2","1","5","7","2","2","6","1") = "6"
    & skf21("2","1","5","7","2","2","7","1") = "6"
    & skf21("2","1","5","7","2","3","1","1") = "6"
    & skf21("2","1","5","7","2","3","2","1") = "6"
    & skf21("2","1","5","7","2","3","3","1") = "6"
    & skf21("2","1","5","7","2","3","4","1") = "6"
    & skf21("2","1","5","7","2","3","5","1") = "6"
    & skf21("2","1","5","7","2","3","6","1") = "6"
    & skf21("2","1","5","7","2","3","7","1") = "6"
    & skf21("2","1","5","7","2","4","1","1") = "6"
    & skf21("2","1","5","7","2","4","2","1") = "6"
    & skf21("2","1","5","7","2","4","3","1") = "6"
    & skf21("2","1","5","7","2","4","4","1") = "6"
    & skf21("2","1","5","7","2","4","5","1") = "6"
    & skf21("2","1","5","7","2","4","6","1") = "6"
    & skf21("2","1","5","7","2","4","7","1") = "6"
    & skf21("2","1","5","7","2","5","1","1") = "6"
    & skf21("2","1","5","7","2","5","2","1") = "6"
    & skf21("2","1","5","7","2","5","3","1") = "6"
    & skf21("2","1","5","7","2","5","4","1") = "6"
    & skf21("2","1","5","7","2","5","5","1") = "6"
    & skf21("2","1","5","7","2","5","6","1") = "6"
    & skf21("2","1","5","7","2","5","7","1") = "6"
    & skf21("2","1","5","7","2","6","1","1") = "6"
    & skf21("2","1","5","7","2","6","2","1") = "6"
    & skf21("2","1","5","7","2","6","3","1") = "6"
    & skf21("2","1","5","7","2","6","4","1") = "6"
    & skf21("2","1","5","7","2","6","5","1") = "6"
    & skf21("2","1","5","7","2","6","6","1") = "6"
    & skf21("2","1","5","7","2","6","7","1") = "6"
    & skf21("2","1","5","7","2","7","1","1") = "6"
    & skf21("2","1","5","7","2","7","2","1") = "6"
    & skf21("2","1","5","7","2","7","3","1") = "6"
    & skf21("2","1","5","7","2","7","4","1") = "6"
    & skf21("2","1","5","7","2","7","5","1") = "6"
    & skf21("2","1","5","7","2","7","6","1") = "6"
    & skf21("2","1","5","7","2","7","7","1") = "6"
    & skf21("2","1","5","7","3","1","1","1") = "6"
    & skf21("2","1","5","7","3","1","2","1") = "6"
    & skf21("2","1","5","7","3","1","3","1") = "6"
    & skf21("2","1","5","7","3","1","4","1") = "6"
    & skf21("2","1","5","7","3","1","5","1") = "6"
    & skf21("2","1","5","7","3","1","6","1") = "6"
    & skf21("2","1","5","7","3","1","7","1") = "6"
    & skf21("2","1","5","7","3","2","1","1") = "6"
    & skf21("2","1","5","7","3","2","2","1") = "6"
    & skf21("2","1","5","7","3","2","3","1") = "6"
    & skf21("2","1","5","7","3","2","4","1") = "6"
    & skf21("2","1","5","7","3","2","5","1") = "6"
    & skf21("2","1","5","7","3","2","6","1") = "6"
    & skf21("2","1","5","7","3","2","7","1") = "6"
    & skf21("2","1","5","7","3","3","1","1") = "6"
    & skf21("2","1","5","7","3","3","2","1") = "6"
    & skf21("2","1","5","7","3","3","3","1") = "6"
    & skf21("2","1","5","7","3","3","4","1") = "6"
    & skf21("2","1","5","7","3","3","5","1") = "6"
    & skf21("2","1","5","7","3","3","6","1") = "6"
    & skf21("2","1","5","7","3","3","7","1") = "6"
    & skf21("2","1","5","7","3","4","1","1") = "6"
    & skf21("2","1","5","7","3","4","2","1") = "6"
    & skf21("2","1","5","7","3","4","3","1") = "6"
    & skf21("2","1","5","7","3","4","4","1") = "6"
    & skf21("2","1","5","7","3","4","5","1") = "6"
    & skf21("2","1","5","7","3","4","6","1") = "6"
    & skf21("2","1","5","7","3","4","7","1") = "6"
    & skf21("2","1","5","7","3","5","1","1") = "6"
    & skf21("2","1","5","7","3","5","2","1") = "6"
    & skf21("2","1","5","7","3","5","3","1") = "6"
    & skf21("2","1","5","7","3","5","4","1") = "6"
    & skf21("2","1","5","7","3","5","5","1") = "6"
    & skf21("2","1","5","7","3","5","6","1") = "6"
    & skf21("2","1","5","7","3","5","7","1") = "6"
    & skf21("2","1","5","7","3","6","1","1") = "6"
    & skf21("2","1","5","7","3","6","2","1") = "6"
    & skf21("2","1","5","7","3","6","3","1") = "6"
    & skf21("2","1","5","7","3","6","4","1") = "6"
    & skf21("2","1","5","7","3","6","5","1") = "6"
    & skf21("2","1","5","7","3","6","6","1") = "6"
    & skf21("2","1","5","7","3","6","7","1") = "6"
    & skf21("2","1","5","7","3","7","1","1") = "6"
    & skf21("2","1","5","7","3","7","2","1") = "6"
    & skf21("2","1","5","7","3","7","3","1") = "6"
    & skf21("2","1","5","7","3","7","4","1") = "6"
    & skf21("2","1","5","7","3","7","5","1") = "6"
    & skf21("2","1","5","7","3","7","6","1") = "6"
    & skf21("2","1","5","7","3","7","7","1") = "6"
    & skf21("2","1","5","7","4","1","1","1") = "6"
    & skf21("2","1","5","7","4","1","2","1") = "6"
    & skf21("2","1","5","7","4","1","3","1") = "6"
    & skf21("2","1","5","7","4","1","4","1") = "6"
    & skf21("2","1","5","7","4","1","5","1") = "6"
    & skf21("2","1","5","7","4","1","6","1") = "6"
    & skf21("2","1","5","7","4","1","7","1") = "6"
    & skf21("2","1","5","7","4","2","1","1") = "6"
    & skf21("2","1","5","7","4","2","2","1") = "6"
    & skf21("2","1","5","7","4","2","3","1") = "6"
    & skf21("2","1","5","7","4","2","4","1") = "6"
    & skf21("2","1","5","7","4","2","5","1") = "6"
    & skf21("2","1","5","7","4","2","6","1") = "6"
    & skf21("2","1","5","7","4","2","7","1") = "6"
    & skf21("2","1","5","7","4","3","1","1") = "6"
    & skf21("2","1","5","7","4","3","2","1") = "6"
    & skf21("2","1","5","7","4","3","3","1") = "6"
    & skf21("2","1","5","7","4","3","4","1") = "6"
    & skf21("2","1","5","7","4","3","5","1") = "6"
    & skf21("2","1","5","7","4","3","6","1") = "6"
    & skf21("2","1","5","7","4","3","7","1") = "6"
    & skf21("2","1","5","7","4","4","1","1") = "6"
    & skf21("2","1","5","7","4","4","2","1") = "6"
    & skf21("2","1","5","7","4","4","3","1") = "6"
    & skf21("2","1","5","7","4","4","4","1") = "6"
    & skf21("2","1","5","7","4","4","5","1") = "6"
    & skf21("2","1","5","7","4","4","6","1") = "6"
    & skf21("2","1","5","7","4","4","7","1") = "6"
    & skf21("2","1","5","7","4","5","1","1") = "6"
    & skf21("2","1","5","7","4","5","2","1") = "6"
    & skf21("2","1","5","7","4","5","3","1") = "6"
    & skf21("2","1","5","7","4","5","4","1") = "6"
    & skf21("2","1","5","7","4","5","5","1") = "6"
    & skf21("2","1","5","7","4","5","6","1") = "6"
    & skf21("2","1","5","7","4","5","7","1") = "6"
    & skf21("2","1","5","7","4","6","1","1") = "6"
    & skf21("2","1","5","7","4","6","2","1") = "6"
    & skf21("2","1","5","7","4","6","3","1") = "6"
    & skf21("2","1","5","7","4","6","4","1") = "6"
    & skf21("2","1","5","7","4","6","5","1") = "6"
    & skf21("2","1","5","7","4","6","6","1") = "6"
    & skf21("2","1","5","7","4","6","7","1") = "6"
    & skf21("2","1","5","7","4","7","1","1") = "6"
    & skf21("2","1","5","7","4","7","2","1") = "6"
    & skf21("2","1","5","7","4","7","3","1") = "6"
    & skf21("2","1","5","7","4","7","4","1") = "6"
    & skf21("2","1","5","7","4","7","5","1") = "6"
    & skf21("2","1","5","7","4","7","6","1") = "6"
    & skf21("2","1","5","7","4","7","7","1") = "6"
    & skf21("2","1","5","7","5","1","1","1") = "6"
    & skf21("2","1","5","7","5","1","2","1") = "6"
    & skf21("2","1","5","7","5","1","3","1") = "6"
    & skf21("2","1","5","7","5","1","4","1") = "6"
    & skf21("2","1","5","7","5","1","5","1") = "6"
    & skf21("2","1","5","7","5","1","6","1") = "6"
    & skf21("2","1","5","7","5","1","7","1") = "6"
    & skf21("2","1","5","7","5","2","1","1") = "6"
    & skf21("2","1","5","7","5","2","2","1") = "6"
    & skf21("2","1","5","7","5","2","3","1") = "6"
    & skf21("2","1","5","7","5","2","4","1") = "6"
    & skf21("2","1","5","7","5","2","5","1") = "6"
    & skf21("2","1","5","7","5","2","6","1") = "6"
    & skf21("2","1","5","7","5","2","7","1") = "6"
    & skf21("2","1","5","7","5","3","1","1") = "6"
    & skf21("2","1","5","7","5","3","2","1") = "6"
    & skf21("2","1","5","7","5","3","3","1") = "6"
    & skf21("2","1","5","7","5","3","4","1") = "6"
    & skf21("2","1","5","7","5","3","5","1") = "6"
    & skf21("2","1","5","7","5","3","6","1") = "6"
    & skf21("2","1","5","7","5","3","7","1") = "6"
    & skf21("2","1","5","7","5","4","1","1") = "6"
    & skf21("2","1","5","7","5","4","2","1") = "6"
    & skf21("2","1","5","7","5","4","3","1") = "6"
    & skf21("2","1","5","7","5","4","4","1") = "6"
    & skf21("2","1","5","7","5","4","5","1") = "6"
    & skf21("2","1","5","7","5","4","6","1") = "6"
    & skf21("2","1","5","7","5","4","7","1") = "6"
    & skf21("2","1","5","7","5","5","1","1") = "6"
    & skf21("2","1","5","7","5","5","2","1") = "6"
    & skf21("2","1","5","7","5","5","3","1") = "6"
    & skf21("2","1","5","7","5","5","4","1") = "6"
    & skf21("2","1","5","7","5","5","5","1") = "6"
    & skf21("2","1","5","7","5","5","6","1") = "6"
    & skf21("2","1","5","7","5","5","7","1") = "6"
    & skf21("2","1","5","7","5","6","1","1") = "6"
    & skf21("2","1","5","7","5","6","2","1") = "6"
    & skf21("2","1","5","7","5","6","3","1") = "6"
    & skf21("2","1","5","7","5","6","4","1") = "6"
    & skf21("2","1","5","7","5","6","5","1") = "6"
    & skf21("2","1","5","7","5","6","6","1") = "6"
    & skf21("2","1","5","7","5","6","7","1") = "6"
    & skf21("2","1","5","7","5","7","1","1") = "6"
    & skf21("2","1","5","7","5","7","2","1") = "6"
    & skf21("2","1","5","7","5","7","3","1") = "6"
    & skf21("2","1","5","7","5","7","4","1") = "6"
    & skf21("2","1","5","7","5","7","5","1") = "6"
    & skf21("2","1","5","7","5","7","6","1") = "6"
    & skf21("2","1","5","7","5","7","7","1") = "6"
    & skf21("2","1","5","7","6","1","1","1") = "6"
    & skf21("2","1","5","7","6","1","2","1") = "6"
    & skf21("2","1","5","7","6","1","3","1") = "6"
    & skf21("2","1","5","7","6","1","4","1") = "6"
    & skf21("2","1","5","7","6","1","5","1") = "6"
    & skf21("2","1","5","7","6","1","6","1") = "6"
    & skf21("2","1","5","7","6","1","7","1") = "6"
    & skf21("2","1","5","7","6","2","1","1") = "6"
    & skf21("2","1","5","7","6","2","2","1") = "6"
    & skf21("2","1","5","7","6","2","3","1") = "6"
    & skf21("2","1","5","7","6","2","4","1") = "6"
    & skf21("2","1","5","7","6","2","5","1") = "6"
    & skf21("2","1","5","7","6","2","6","1") = "6"
    & skf21("2","1","5","7","6","2","7","1") = "6"
    & skf21("2","1","5","7","6","3","1","1") = "6"
    & skf21("2","1","5","7","6","3","2","1") = "6"
    & skf21("2","1","5","7","6","3","3","1") = "6"
    & skf21("2","1","5","7","6","3","4","1") = "6"
    & skf21("2","1","5","7","6","3","5","1") = "6"
    & skf21("2","1","5","7","6","3","6","1") = "6"
    & skf21("2","1","5","7","6","3","7","1") = "6"
    & skf21("2","1","5","7","6","4","1","1") = "6"
    & skf21("2","1","5","7","6","4","2","1") = "6"
    & skf21("2","1","5","7","6","4","3","1") = "6"
    & skf21("2","1","5","7","6","4","4","1") = "6"
    & skf21("2","1","5","7","6","4","5","1") = "6"
    & skf21("2","1","5","7","6","4","6","1") = "6"
    & skf21("2","1","5","7","6","4","7","1") = "6"
    & skf21("2","1","5","7","6","5","1","1") = "6"
    & skf21("2","1","5","7","6","5","2","1") = "6"
    & skf21("2","1","5","7","6","5","3","1") = "6"
    & skf21("2","1","5","7","6","5","4","1") = "6"
    & skf21("2","1","5","7","6","5","5","1") = "6"
    & skf21("2","1","5","7","6","5","6","1") = "6"
    & skf21("2","1","5","7","6","5","7","1") = "6"
    & skf21("2","1","5","7","6","6","1","1") = "6"
    & skf21("2","1","5","7","6","6","2","1") = "6"
    & skf21("2","1","5","7","6","6","3","1") = "6"
    & skf21("2","1","5","7","6","6","4","1") = "6"
    & skf21("2","1","5","7","6","6","5","1") = "6"
    & skf21("2","1","5","7","6","6","6","1") = "6"
    & skf21("2","1","5","7","6","6","7","1") = "6"
    & skf21("2","1","5","7","6","7","1","1") = "6"
    & skf21("2","1","5","7","6","7","2","1") = "6"
    & skf21("2","1","5","7","6","7","3","1") = "6"
    & skf21("2","1","5","7","6","7","4","1") = "6"
    & skf21("2","1","5","7","6","7","5","1") = "6"
    & skf21("2","1","5","7","6","7","6","1") = "6"
    & skf21("2","1","5","7","6","7","7","1") = "6"
    & skf21("2","1","5","7","7","1","1","1") = "6"
    & skf21("2","1","5","7","7","1","2","1") = "6"
    & skf21("2","1","5","7","7","1","3","1") = "6"
    & skf21("2","1","5","7","7","1","4","1") = "6"
    & skf21("2","1","5","7","7","1","5","1") = "6"
    & skf21("2","1","5","7","7","1","6","1") = "6"
    & skf21("2","1","5","7","7","1","7","1") = "6"
    & skf21("2","1","5","7","7","2","1","1") = "6"
    & skf21("2","1","5","7","7","2","2","1") = "6"
    & skf21("2","1","5","7","7","2","3","1") = "6"
    & skf21("2","1","5","7","7","2","4","1") = "6"
    & skf21("2","1","5","7","7","2","5","1") = "6"
    & skf21("2","1","5","7","7","2","6","1") = "6"
    & skf21("2","1","5","7","7","2","7","1") = "6"
    & skf21("2","1","5","7","7","3","1","1") = "6"
    & skf21("2","1","5","7","7","3","2","1") = "6"
    & skf21("2","1","5","7","7","3","3","1") = "6"
    & skf21("2","1","5","7","7","3","4","1") = "6"
    & skf21("2","1","5","7","7","3","5","1") = "6"
    & skf21("2","1","5","7","7","3","6","1") = "6"
    & skf21("2","1","5","7","7","3","7","1") = "6"
    & skf21("2","1","5","7","7","4","1","1") = "6"
    & skf21("2","1","5","7","7","4","2","1") = "6"
    & skf21("2","1","5","7","7","4","3","1") = "6"
    & skf21("2","1","5","7","7","4","4","1") = "6"
    & skf21("2","1","5","7","7","4","5","1") = "6"
    & skf21("2","1","5","7","7","4","6","1") = "6"
    & skf21("2","1","5","7","7","4","7","1") = "6"
    & skf21("2","1","5","7","7","5","1","1") = "6"
    & skf21("2","1","5","7","7","5","2","1") = "6"
    & skf21("2","1","5","7","7","5","3","1") = "6"
    & skf21("2","1","5","7","7","5","4","1") = "6"
    & skf21("2","1","5","7","7","5","5","1") = "6"
    & skf21("2","1","5","7","7","5","6","1") = "6"
    & skf21("2","1","5","7","7","5","7","1") = "6"
    & skf21("2","1","5","7","7","6","1","1") = "6"
    & skf21("2","1","5","7","7","6","2","1") = "6"
    & skf21("2","1","5","7","7","6","3","1") = "6"
    & skf21("2","1","5","7","7","6","4","1") = "6"
    & skf21("2","1","5","7","7","6","5","1") = "6"
    & skf21("2","1","5","7","7","6","6","1") = "6"
    & skf21("2","1","5","7","7","6","7","1") = "6"
    & skf21("2","1","5","7","7","7","1","1") = "6"
    & skf21("2","1","5","7","7","7","2","1") = "6"
    & skf21("2","1","5","7","7","7","3","1") = "6"
    & skf21("2","1","5","7","7","7","4","1") = "6"
    & skf21("2","1","5","7","7","7","5","1") = "6"
    & skf21("2","1","5","7","7","7","6","1") = "6"
    & skf21("2","1","5","7","7","7","7","1") = "6"
    & skf21("2","1","6","1","1","1","1","1") = "5"
    & skf21("2","1","6","1","1","1","2","1") = "5"
    & skf21("2","1","6","1","1","1","3","1") = "5"
    & skf21("2","1","6","1","1","1","4","1") = "5"
    & skf21("2","1","6","1","1","1","5","1") = "5"
    & skf21("2","1","6","1","1","1","6","1") = "5"
    & skf21("2","1","6","1","1","1","7","1") = "6"
    & skf21("2","1","6","1","1","2","1","1") = "5"
    & skf21("2","1","6","1","1","2","2","1") = "5"
    & skf21("2","1","6","1","1","2","3","1") = "5"
    & skf21("2","1","6","1","1","2","4","1") = "5"
    & skf21("2","1","6","1","1","2","5","1") = "5"
    & skf21("2","1","6","1","1","2","6","1") = "5"
    & skf21("2","1","6","1","1","2","7","1") = "6"
    & skf21("2","1","6","1","1","3","1","1") = "5"
    & skf21("2","1","6","1","1","3","2","1") = "5"
    & skf21("2","1","6","1","1","3","3","1") = "5"
    & skf21("2","1","6","1","1","3","4","1") = "5"
    & skf21("2","1","6","1","1","3","5","1") = "5"
    & skf21("2","1","6","1","1","3","6","1") = "5"
    & skf21("2","1","6","1","1","3","7","1") = "6"
    & skf21("2","1","6","1","1","4","1","1") = "5"
    & skf21("2","1","6","1","1","4","2","1") = "5"
    & skf21("2","1","6","1","1","4","3","1") = "5"
    & skf21("2","1","6","1","1","4","4","1") = "5"
    & skf21("2","1","6","1","1","4","5","1") = "5"
    & skf21("2","1","6","1","1","4","6","1") = "5"
    & skf21("2","1","6","1","1","4","7","1") = "6"
    & skf21("2","1","6","1","1","5","1","1") = "5"
    & skf21("2","1","6","1","1","5","2","1") = "5"
    & skf21("2","1","6","1","1","5","3","1") = "5"
    & skf21("2","1","6","1","1","5","4","1") = "5"
    & skf21("2","1","6","1","1","5","5","1") = "5"
    & skf21("2","1","6","1","1","5","6","1") = "5"
    & skf21("2","1","6","1","1","5","7","1") = "6"
    & skf21("2","1","6","1","1","6","1","1") = "5"
    & skf21("2","1","6","1","1","6","2","1") = "5"
    & skf21("2","1","6","1","1","6","3","1") = "5"
    & skf21("2","1","6","1","1","6","4","1") = "5"
    & skf21("2","1","6","1","1","6","5","1") = "5"
    & skf21("2","1","6","1","1","6","6","1") = "5"
    & skf21("2","1","6","1","1","6","7","1") = "6"
    & skf21("2","1","6","1","1","7","1","1") = "6"
    & skf21("2","1","6","1","1","7","2","1") = "6"
    & skf21("2","1","6","1","1","7","3","1") = "6"
    & skf21("2","1","6","1","1","7","4","1") = "6"
    & skf21("2","1","6","1","1","7","5","1") = "6"
    & skf21("2","1","6","1","1","7","6","1") = "6"
    & skf21("2","1","6","1","1","7","7","1") = "6"
    & skf21("2","1","6","1","2","1","1","1") = "5"
    & skf21("2","1","6","1","2","1","2","1") = "5"
    & skf21("2","1","6","1","2","1","3","1") = "5"
    & skf21("2","1","6","1","2","1","4","1") = "5"
    & skf21("2","1","6","1","2","1","5","1") = "5"
    & skf21("2","1","6","1","2","1","6","1") = "5"
    & skf21("2","1","6","1","2","1","7","1") = "6"
    & skf21("2","1","6","1","2","2","1","1") = "5"
    & skf21("2","1","6","1","2","2","2","1") = "5"
    & skf21("2","1","6","1","2","2","3","1") = "5"
    & skf21("2","1","6","1","2","2","4","1") = "5"
    & skf21("2","1","6","1","2","2","5","1") = "5"
    & skf21("2","1","6","1","2","2","6","1") = "5"
    & skf21("2","1","6","1","2","2","7","1") = "6"
    & skf21("2","1","6","1","2","3","1","1") = "5"
    & skf21("2","1","6","1","2","3","2","1") = "5"
    & skf21("2","1","6","1","2","3","3","1") = "5"
    & skf21("2","1","6","1","2","3","4","1") = "5"
    & skf21("2","1","6","1","2","3","5","1") = "5"
    & skf21("2","1","6","1","2","3","6","1") = "5"
    & skf21("2","1","6","1","2","3","7","1") = "6"
    & skf21("2","1","6","1","2","4","1","1") = "5"
    & skf21("2","1","6","1","2","4","2","1") = "5"
    & skf21("2","1","6","1","2","4","3","1") = "5"
    & skf21("2","1","6","1","2","4","4","1") = "5"
    & skf21("2","1","6","1","2","4","5","1") = "5"
    & skf21("2","1","6","1","2","4","6","1") = "5"
    & skf21("2","1","6","1","2","4","7","1") = "6"
    & skf21("2","1","6","1","2","5","1","1") = "5"
    & skf21("2","1","6","1","2","5","2","1") = "5"
    & skf21("2","1","6","1","2","5","3","1") = "5"
    & skf21("2","1","6","1","2","5","4","1") = "5"
    & skf21("2","1","6","1","2","5","5","1") = "5"
    & skf21("2","1","6","1","2","5","6","1") = "5"
    & skf21("2","1","6","1","2","5","7","1") = "6"
    & skf21("2","1","6","1","2","6","1","1") = "5"
    & skf21("2","1","6","1","2","6","2","1") = "5"
    & skf21("2","1","6","1","2","6","3","1") = "5"
    & skf21("2","1","6","1","2","6","4","1") = "5"
    & skf21("2","1","6","1","2","6","5","1") = "5"
    & skf21("2","1","6","1","2","6","6","1") = "5"
    & skf21("2","1","6","1","2","6","7","1") = "6"
    & skf21("2","1","6","1","2","7","1","1") = "6"
    & skf21("2","1","6","1","2","7","2","1") = "6"
    & skf21("2","1","6","1","2","7","3","1") = "6"
    & skf21("2","1","6","1","2","7","4","1") = "6"
    & skf21("2","1","6","1","2","7","5","1") = "6"
    & skf21("2","1","6","1","2","7","6","1") = "6"
    & skf21("2","1","6","1","2","7","7","1") = "6"
    & skf21("2","1","6","1","3","1","1","1") = "5"
    & skf21("2","1","6","1","3","1","2","1") = "5"
    & skf21("2","1","6","1","3","1","3","1") = "5"
    & skf21("2","1","6","1","3","1","4","1") = "5"
    & skf21("2","1","6","1","3","1","5","1") = "5"
    & skf21("2","1","6","1","3","1","6","1") = "5"
    & skf21("2","1","6","1","3","1","7","1") = "6"
    & skf21("2","1","6","1","3","2","1","1") = "5"
    & skf21("2","1","6","1","3","2","2","1") = "5"
    & skf21("2","1","6","1","3","2","3","1") = "5"
    & skf21("2","1","6","1","3","2","4","1") = "5"
    & skf21("2","1","6","1","3","2","5","1") = "5"
    & skf21("2","1","6","1","3","2","6","1") = "5"
    & skf21("2","1","6","1","3","2","7","1") = "6"
    & skf21("2","1","6","1","3","3","1","1") = "5"
    & skf21("2","1","6","1","3","3","2","1") = "5"
    & skf21("2","1","6","1","3","3","3","1") = "5"
    & skf21("2","1","6","1","3","3","4","1") = "5"
    & skf21("2","1","6","1","3","3","5","1") = "5"
    & skf21("2","1","6","1","3","3","6","1") = "5"
    & skf21("2","1","6","1","3","3","7","1") = "6"
    & skf21("2","1","6","1","3","4","1","1") = "5"
    & skf21("2","1","6","1","3","4","2","1") = "5"
    & skf21("2","1","6","1","3","4","3","1") = "5"
    & skf21("2","1","6","1","3","4","4","1") = "5"
    & skf21("2","1","6","1","3","4","5","1") = "5"
    & skf21("2","1","6","1","3","4","6","1") = "5"
    & skf21("2","1","6","1","3","4","7","1") = "6"
    & skf21("2","1","6","1","3","5","1","1") = "5"
    & skf21("2","1","6","1","3","5","2","1") = "5"
    & skf21("2","1","6","1","3","5","3","1") = "5"
    & skf21("2","1","6","1","3","5","4","1") = "5"
    & skf21("2","1","6","1","3","5","5","1") = "5"
    & skf21("2","1","6","1","3","5","6","1") = "5"
    & skf21("2","1","6","1","3","5","7","1") = "6"
    & skf21("2","1","6","1","3","6","1","1") = "5"
    & skf21("2","1","6","1","3","6","2","1") = "5"
    & skf21("2","1","6","1","3","6","3","1") = "5"
    & skf21("2","1","6","1","3","6","4","1") = "5"
    & skf21("2","1","6","1","3","6","5","1") = "5"
    & skf21("2","1","6","1","3","6","6","1") = "5"
    & skf21("2","1","6","1","3","6","7","1") = "6"
    & skf21("2","1","6","1","3","7","1","1") = "6"
    & skf21("2","1","6","1","3","7","2","1") = "6"
    & skf21("2","1","6","1","3","7","3","1") = "6"
    & skf21("2","1","6","1","3","7","4","1") = "6"
    & skf21("2","1","6","1","3","7","5","1") = "6"
    & skf21("2","1","6","1","3","7","6","1") = "6"
    & skf21("2","1","6","1","3","7","7","1") = "6"
    & skf21("2","1","6","1","4","1","1","1") = "5"
    & skf21("2","1","6","1","4","1","2","1") = "5"
    & skf21("2","1","6","1","4","1","3","1") = "5"
    & skf21("2","1","6","1","4","1","4","1") = "5"
    & skf21("2","1","6","1","4","1","5","1") = "5"
    & skf21("2","1","6","1","4","1","6","1") = "5"
    & skf21("2","1","6","1","4","1","7","1") = "6"
    & skf21("2","1","6","1","4","2","1","1") = "5"
    & skf21("2","1","6","1","4","2","2","1") = "5"
    & skf21("2","1","6","1","4","2","3","1") = "5"
    & skf21("2","1","6","1","4","2","4","1") = "5"
    & skf21("2","1","6","1","4","2","5","1") = "5"
    & skf21("2","1","6","1","4","2","6","1") = "5"
    & skf21("2","1","6","1","4","2","7","1") = "6"
    & skf21("2","1","6","1","4","3","1","1") = "5"
    & skf21("2","1","6","1","4","3","2","1") = "5"
    & skf21("2","1","6","1","4","3","3","1") = "5"
    & skf21("2","1","6","1","4","3","4","1") = "5"
    & skf21("2","1","6","1","4","3","5","1") = "5"
    & skf21("2","1","6","1","4","3","6","1") = "5"
    & skf21("2","1","6","1","4","3","7","1") = "6"
    & skf21("2","1","6","1","4","4","1","1") = "5"
    & skf21("2","1","6","1","4","4","2","1") = "5"
    & skf21("2","1","6","1","4","4","3","1") = "5"
    & skf21("2","1","6","1","4","4","4","1") = "5"
    & skf21("2","1","6","1","4","4","5","1") = "5"
    & skf21("2","1","6","1","4","4","6","1") = "5"
    & skf21("2","1","6","1","4","4","7","1") = "6"
    & skf21("2","1","6","1","4","5","1","1") = "5"
    & skf21("2","1","6","1","4","5","2","1") = "5"
    & skf21("2","1","6","1","4","5","3","1") = "5"
    & skf21("2","1","6","1","4","5","4","1") = "5"
    & skf21("2","1","6","1","4","5","5","1") = "5"
    & skf21("2","1","6","1","4","5","6","1") = "5"
    & skf21("2","1","6","1","4","5","7","1") = "6"
    & skf21("2","1","6","1","4","6","1","1") = "5"
    & skf21("2","1","6","1","4","6","2","1") = "5"
    & skf21("2","1","6","1","4","6","3","1") = "5"
    & skf21("2","1","6","1","4","6","4","1") = "5"
    & skf21("2","1","6","1","4","6","5","1") = "5"
    & skf21("2","1","6","1","4","6","6","1") = "5"
    & skf21("2","1","6","1","4","6","7","1") = "6"
    & skf21("2","1","6","1","4","7","1","1") = "6"
    & skf21("2","1","6","1","4","7","2","1") = "6"
    & skf21("2","1","6","1","4","7","3","1") = "6"
    & skf21("2","1","6","1","4","7","4","1") = "6"
    & skf21("2","1","6","1","4","7","5","1") = "6"
    & skf21("2","1","6","1","4","7","6","1") = "6"
    & skf21("2","1","6","1","4","7","7","1") = "6"
    & skf21("2","1","6","1","5","1","1","1") = "5"
    & skf21("2","1","6","1","5","1","2","1") = "5"
    & skf21("2","1","6","1","5","1","3","1") = "5"
    & skf21("2","1","6","1","5","1","4","1") = "5"
    & skf21("2","1","6","1","5","1","5","1") = "5"
    & skf21("2","1","6","1","5","1","6","1") = "5"
    & skf21("2","1","6","1","5","1","7","1") = "6"
    & skf21("2","1","6","1","5","2","1","1") = "5"
    & skf21("2","1","6","1","5","2","2","1") = "5"
    & skf21("2","1","6","1","5","2","3","1") = "5"
    & skf21("2","1","6","1","5","2","4","1") = "5"
    & skf21("2","1","6","1","5","2","5","1") = "5"
    & skf21("2","1","6","1","5","2","6","1") = "5"
    & skf21("2","1","6","1","5","2","7","1") = "6"
    & skf21("2","1","6","1","5","3","1","1") = "5"
    & skf21("2","1","6","1","5","3","2","1") = "5"
    & skf21("2","1","6","1","5","3","3","1") = "5"
    & skf21("2","1","6","1","5","3","4","1") = "5"
    & skf21("2","1","6","1","5","3","5","1") = "5"
    & skf21("2","1","6","1","5","3","6","1") = "5"
    & skf21("2","1","6","1","5","3","7","1") = "6"
    & skf21("2","1","6","1","5","4","1","1") = "5"
    & skf21("2","1","6","1","5","4","2","1") = "5"
    & skf21("2","1","6","1","5","4","3","1") = "5"
    & skf21("2","1","6","1","5","4","4","1") = "5"
    & skf21("2","1","6","1","5","4","5","1") = "5"
    & skf21("2","1","6","1","5","4","6","1") = "5"
    & skf21("2","1","6","1","5","4","7","1") = "6"
    & skf21("2","1","6","1","5","5","1","1") = "5"
    & skf21("2","1","6","1","5","5","2","1") = "5"
    & skf21("2","1","6","1","5","5","3","1") = "5"
    & skf21("2","1","6","1","5","5","4","1") = "5"
    & skf21("2","1","6","1","5","5","5","1") = "5"
    & skf21("2","1","6","1","5","5","6","1") = "5"
    & skf21("2","1","6","1","5","5","7","1") = "6"
    & skf21("2","1","6","1","5","6","1","1") = "5"
    & skf21("2","1","6","1","5","6","2","1") = "5"
    & skf21("2","1","6","1","5","6","3","1") = "5"
    & skf21("2","1","6","1","5","6","4","1") = "5"
    & skf21("2","1","6","1","5","6","5","1") = "5"
    & skf21("2","1","6","1","5","6","6","1") = "5"
    & skf21("2","1","6","1","5","6","7","1") = "6"
    & skf21("2","1","6","1","5","7","1","1") = "6"
    & skf21("2","1","6","1","5","7","2","1") = "6"
    & skf21("2","1","6","1","5","7","3","1") = "6"
    & skf21("2","1","6","1","5","7","4","1") = "6"
    & skf21("2","1","6","1","5","7","5","1") = "6"
    & skf21("2","1","6","1","5","7","6","1") = "6"
    & skf21("2","1","6","1","5","7","7","1") = "6"
    & skf21("2","1","6","1","6","1","1","1") = "5"
    & skf21("2","1","6","1","6","1","2","1") = "5"
    & skf21("2","1","6","1","6","1","3","1") = "5"
    & skf21("2","1","6","1","6","1","4","1") = "5"
    & skf21("2","1","6","1","6","1","5","1") = "5"
    & skf21("2","1","6","1","6","1","6","1") = "5"
    & skf21("2","1","6","1","6","1","7","1") = "6"
    & skf21("2","1","6","1","6","2","1","1") = "5"
    & skf21("2","1","6","1","6","2","2","1") = "5"
    & skf21("2","1","6","1","6","2","3","1") = "5"
    & skf21("2","1","6","1","6","2","4","1") = "5"
    & skf21("2","1","6","1","6","2","5","1") = "5"
    & skf21("2","1","6","1","6","2","6","1") = "5"
    & skf21("2","1","6","1","6","2","7","1") = "6"
    & skf21("2","1","6","1","6","3","1","1") = "5"
    & skf21("2","1","6","1","6","3","2","1") = "5"
    & skf21("2","1","6","1","6","3","3","1") = "5"
    & skf21("2","1","6","1","6","3","4","1") = "5"
    & skf21("2","1","6","1","6","3","5","1") = "5"
    & skf21("2","1","6","1","6","3","6","1") = "5"
    & skf21("2","1","6","1","6","3","7","1") = "6"
    & skf21("2","1","6","1","6","4","1","1") = "5"
    & skf21("2","1","6","1","6","4","2","1") = "5"
    & skf21("2","1","6","1","6","4","3","1") = "5"
    & skf21("2","1","6","1","6","4","4","1") = "5"
    & skf21("2","1","6","1","6","4","5","1") = "5"
    & skf21("2","1","6","1","6","4","6","1") = "5"
    & skf21("2","1","6","1","6","4","7","1") = "6"
    & skf21("2","1","6","1","6","5","1","1") = "5"
    & skf21("2","1","6","1","6","5","2","1") = "5"
    & skf21("2","1","6","1","6","5","3","1") = "5"
    & skf21("2","1","6","1","6","5","4","1") = "5"
    & skf21("2","1","6","1","6","5","5","1") = "5"
    & skf21("2","1","6","1","6","5","6","1") = "5"
    & skf21("2","1","6","1","6","5","7","1") = "6"
    & skf21("2","1","6","1","6","6","1","1") = "5"
    & skf21("2","1","6","1","6","6","2","1") = "5"
    & skf21("2","1","6","1","6","6","3","1") = "5"
    & skf21("2","1","6","1","6","6","4","1") = "5"
    & skf21("2","1","6","1","6","6","5","1") = "5"
    & skf21("2","1","6","1","6","6","6","1") = "5"
    & skf21("2","1","6","1","6","6","7","1") = "6"
    & skf21("2","1","6","1","6","7","1","1") = "6"
    & skf21("2","1","6","1","6","7","2","1") = "6"
    & skf21("2","1","6","1","6","7","3","1") = "6"
    & skf21("2","1","6","1","6","7","4","1") = "6"
    & skf21("2","1","6","1","6","7","5","1") = "6"
    & skf21("2","1","6","1","6","7","6","1") = "6"
    & skf21("2","1","6","1","6","7","7","1") = "6"
    & skf21("2","1","6","1","7","1","1","1") = "6"
    & skf21("2","1","6","1","7","1","2","1") = "6"
    & skf21("2","1","6","1","7","1","3","1") = "6"
    & skf21("2","1","6","1","7","1","4","1") = "6"
    & skf21("2","1","6","1","7","1","5","1") = "6"
    & skf21("2","1","6","1","7","1","6","1") = "6"
    & skf21("2","1","6","1","7","1","7","1") = "6"
    & skf21("2","1","6","1","7","2","1","1") = "6"
    & skf21("2","1","6","1","7","2","2","1") = "6"
    & skf21("2","1","6","1","7","2","3","1") = "6"
    & skf21("2","1","6","1","7","2","4","1") = "6"
    & skf21("2","1","6","1","7","2","5","1") = "6"
    & skf21("2","1","6","1","7","2","6","1") = "6"
    & skf21("2","1","6","1","7","2","7","1") = "6"
    & skf21("2","1","6","1","7","3","1","1") = "6"
    & skf21("2","1","6","1","7","3","2","1") = "6"
    & skf21("2","1","6","1","7","3","3","1") = "6"
    & skf21("2","1","6","1","7","3","4","1") = "6"
    & skf21("2","1","6","1","7","3","5","1") = "6"
    & skf21("2","1","6","1","7","3","6","1") = "6"
    & skf21("2","1","6","1","7","3","7","1") = "6"
    & skf21("2","1","6","1","7","4","1","1") = "6"
    & skf21("2","1","6","1","7","4","2","1") = "6"
    & skf21("2","1","6","1","7","4","3","1") = "6"
    & skf21("2","1","6","1","7","4","4","1") = "6"
    & skf21("2","1","6","1","7","4","5","1") = "6"
    & skf21("2","1","6","1","7","4","6","1") = "6"
    & skf21("2","1","6","1","7","4","7","1") = "6"
    & skf21("2","1","6","1","7","5","1","1") = "6"
    & skf21("2","1","6","1","7","5","2","1") = "6"
    & skf21("2","1","6","1","7","5","3","1") = "6"
    & skf21("2","1","6","1","7","5","4","1") = "6"
    & skf21("2","1","6","1","7","5","5","1") = "6"
    & skf21("2","1","6","1","7","5","6","1") = "6"
    & skf21("2","1","6","1","7","5","7","1") = "6"
    & skf21("2","1","6","1","7","6","1","1") = "6"
    & skf21("2","1","6","1","7","6","2","1") = "6"
    & skf21("2","1","6","1","7","6","3","1") = "6"
    & skf21("2","1","6","1","7","6","4","1") = "6"
    & skf21("2","1","6","1","7","6","5","1") = "6"
    & skf21("2","1","6","1","7","6","6","1") = "6"
    & skf21("2","1","6","1","7","6","7","1") = "6"
    & skf21("2","1","6","1","7","7","1","1") = "6"
    & skf21("2","1","6","1","7","7","2","1") = "6"
    & skf21("2","1","6","1","7","7","3","1") = "6"
    & skf21("2","1","6","1","7","7","4","1") = "6"
    & skf21("2","1","6","1","7","7","5","1") = "6"
    & skf21("2","1","6","1","7","7","6","1") = "6"
    & skf21("2","1","6","1","7","7","7","1") = "6"
    & skf21("2","1","6","2","1","1","1","1") = "5"
    & skf21("2","1","6","2","1","1","2","1") = "5"
    & skf21("2","1","6","2","1","1","3","1") = "5"
    & skf21("2","1","6","2","1","1","4","1") = "5"
    & skf21("2","1","6","2","1","1","5","1") = "5"
    & skf21("2","1","6","2","1","1","6","1") = "5"
    & skf21("2","1","6","2","1","1","7","1") = "6"
    & skf21("2","1","6","2","1","2","1","1") = "5"
    & skf21("2","1","6","2","1","2","2","1") = "5"
    & skf21("2","1","6","2","1","2","3","1") = "5"
    & skf21("2","1","6","2","1","2","4","1") = "5"
    & skf21("2","1","6","2","1","2","5","1") = "5"
    & skf21("2","1","6","2","1","2","6","1") = "5"
    & skf21("2","1","6","2","1","2","7","1") = "6"
    & skf21("2","1","6","2","1","3","1","1") = "5"
    & skf21("2","1","6","2","1","3","2","1") = "5"
    & skf21("2","1","6","2","1","3","3","1") = "5"
    & skf21("2","1","6","2","1","3","4","1") = "5"
    & skf21("2","1","6","2","1","3","5","1") = "5"
    & skf21("2","1","6","2","1","3","6","1") = "5"
    & skf21("2","1","6","2","1","3","7","1") = "6"
    & skf21("2","1","6","2","1","4","1","1") = "5"
    & skf21("2","1","6","2","1","4","2","1") = "5"
    & skf21("2","1","6","2","1","4","3","1") = "5"
    & skf21("2","1","6","2","1","4","4","1") = "5"
    & skf21("2","1","6","2","1","4","5","1") = "5"
    & skf21("2","1","6","2","1","4","6","1") = "5"
    & skf21("2","1","6","2","1","4","7","1") = "6"
    & skf21("2","1","6","2","1","5","1","1") = "5"
    & skf21("2","1","6","2","1","5","2","1") = "5"
    & skf21("2","1","6","2","1","5","3","1") = "5"
    & skf21("2","1","6","2","1","5","4","1") = "5"
    & skf21("2","1","6","2","1","5","5","1") = "5"
    & skf21("2","1","6","2","1","5","6","1") = "5"
    & skf21("2","1","6","2","1","5","7","1") = "6"
    & skf21("2","1","6","2","1","6","1","1") = "5"
    & skf21("2","1","6","2","1","6","2","1") = "5"
    & skf21("2","1","6","2","1","6","3","1") = "5"
    & skf21("2","1","6","2","1","6","4","1") = "5"
    & skf21("2","1","6","2","1","6","5","1") = "5"
    & skf21("2","1","6","2","1","6","6","1") = "5"
    & skf21("2","1","6","2","1","6","7","1") = "6"
    & skf21("2","1","6","2","1","7","1","1") = "6"
    & skf21("2","1","6","2","1","7","2","1") = "6"
    & skf21("2","1","6","2","1","7","3","1") = "6"
    & skf21("2","1","6","2","1","7","4","1") = "6"
    & skf21("2","1","6","2","1","7","5","1") = "6"
    & skf21("2","1","6","2","1","7","6","1") = "6"
    & skf21("2","1","6","2","1","7","7","1") = "6"
    & skf21("2","1","6","2","2","1","1","1") = "5"
    & skf21("2","1","6","2","2","1","2","1") = "5"
    & skf21("2","1","6","2","2","1","3","1") = "5"
    & skf21("2","1","6","2","2","1","4","1") = "5"
    & skf21("2","1","6","2","2","1","5","1") = "5"
    & skf21("2","1","6","2","2","1","6","1") = "5"
    & skf21("2","1","6","2","2","1","7","1") = "6"
    & skf21("2","1","6","2","2","2","1","1") = "5"
    & skf21("2","1","6","2","2","2","2","1") = "5"
    & skf21("2","1","6","2","2","2","3","1") = "5"
    & skf21("2","1","6","2","2","2","4","1") = "5"
    & skf21("2","1","6","2","2","2","5","1") = "5"
    & skf21("2","1","6","2","2","2","6","1") = "5"
    & skf21("2","1","6","2","2","2","7","1") = "6"
    & skf21("2","1","6","2","2","3","1","1") = "5"
    & skf21("2","1","6","2","2","3","2","1") = "5"
    & skf21("2","1","6","2","2","3","3","1") = "5"
    & skf21("2","1","6","2","2","3","4","1") = "5"
    & skf21("2","1","6","2","2","3","5","1") = "5"
    & skf21("2","1","6","2","2","3","6","1") = "5"
    & skf21("2","1","6","2","2","3","7","1") = "6"
    & skf21("2","1","6","2","2","4","1","1") = "5"
    & skf21("2","1","6","2","2","4","2","1") = "5"
    & skf21("2","1","6","2","2","4","3","1") = "5"
    & skf21("2","1","6","2","2","4","4","1") = "5"
    & skf21("2","1","6","2","2","4","5","1") = "5"
    & skf21("2","1","6","2","2","4","6","1") = "5"
    & skf21("2","1","6","2","2","4","7","1") = "6"
    & skf21("2","1","6","2","2","5","1","1") = "5"
    & skf21("2","1","6","2","2","5","2","1") = "5"
    & skf21("2","1","6","2","2","5","3","1") = "5"
    & skf21("2","1","6","2","2","5","4","1") = "5"
    & skf21("2","1","6","2","2","5","5","1") = "5"
    & skf21("2","1","6","2","2","5","6","1") = "5"
    & skf21("2","1","6","2","2","5","7","1") = "6"
    & skf21("2","1","6","2","2","6","1","1") = "5"
    & skf21("2","1","6","2","2","6","2","1") = "5"
    & skf21("2","1","6","2","2","6","3","1") = "5"
    & skf21("2","1","6","2","2","6","4","1") = "5"
    & skf21("2","1","6","2","2","6","5","1") = "5"
    & skf21("2","1","6","2","2","6","6","1") = "5"
    & skf21("2","1","6","2","2","6","7","1") = "6"
    & skf21("2","1","6","2","2","7","1","1") = "6"
    & skf21("2","1","6","2","2","7","2","1") = "6"
    & skf21("2","1","6","2","2","7","3","1") = "6"
    & skf21("2","1","6","2","2","7","4","1") = "6"
    & skf21("2","1","6","2","2","7","5","1") = "6"
    & skf21("2","1","6","2","2","7","6","1") = "6"
    & skf21("2","1","6","2","2","7","7","1") = "6"
    & skf21("2","1","6","2","3","1","1","1") = "5"
    & skf21("2","1","6","2","3","1","2","1") = "5"
    & skf21("2","1","6","2","3","1","3","1") = "5"
    & skf21("2","1","6","2","3","1","4","1") = "5"
    & skf21("2","1","6","2","3","1","5","1") = "5"
    & skf21("2","1","6","2","3","1","6","1") = "5"
    & skf21("2","1","6","2","3","1","7","1") = "6"
    & skf21("2","1","6","2","3","2","1","1") = "5"
    & skf21("2","1","6","2","3","2","2","1") = "5"
    & skf21("2","1","6","2","3","2","3","1") = "5"
    & skf21("2","1","6","2","3","2","4","1") = "5"
    & skf21("2","1","6","2","3","2","5","1") = "5"
    & skf21("2","1","6","2","3","2","6","1") = "5"
    & skf21("2","1","6","2","3","2","7","1") = "6"
    & skf21("2","1","6","2","3","3","1","1") = "5"
    & skf21("2","1","6","2","3","3","2","1") = "5"
    & skf21("2","1","6","2","3","3","3","1") = "5"
    & skf21("2","1","6","2","3","3","4","1") = "5"
    & skf21("2","1","6","2","3","3","5","1") = "5"
    & skf21("2","1","6","2","3","3","6","1") = "5"
    & skf21("2","1","6","2","3","3","7","1") = "6"
    & skf21("2","1","6","2","3","4","1","1") = "5"
    & skf21("2","1","6","2","3","4","2","1") = "5"
    & skf21("2","1","6","2","3","4","3","1") = "5"
    & skf21("2","1","6","2","3","4","4","1") = "5"
    & skf21("2","1","6","2","3","4","5","1") = "5"
    & skf21("2","1","6","2","3","4","6","1") = "5"
    & skf21("2","1","6","2","3","4","7","1") = "6"
    & skf21("2","1","6","2","3","5","1","1") = "5"
    & skf21("2","1","6","2","3","5","2","1") = "5"
    & skf21("2","1","6","2","3","5","3","1") = "5"
    & skf21("2","1","6","2","3","5","4","1") = "5"
    & skf21("2","1","6","2","3","5","5","1") = "5"
    & skf21("2","1","6","2","3","5","6","1") = "5"
    & skf21("2","1","6","2","3","5","7","1") = "6"
    & skf21("2","1","6","2","3","6","1","1") = "5"
    & skf21("2","1","6","2","3","6","2","1") = "5"
    & skf21("2","1","6","2","3","6","3","1") = "5"
    & skf21("2","1","6","2","3","6","4","1") = "5"
    & skf21("2","1","6","2","3","6","5","1") = "5"
    & skf21("2","1","6","2","3","6","6","1") = "5"
    & skf21("2","1","6","2","3","6","7","1") = "6"
    & skf21("2","1","6","2","3","7","1","1") = "6"
    & skf21("2","1","6","2","3","7","2","1") = "6"
    & skf21("2","1","6","2","3","7","3","1") = "6"
    & skf21("2","1","6","2","3","7","4","1") = "6"
    & skf21("2","1","6","2","3","7","5","1") = "6"
    & skf21("2","1","6","2","3","7","6","1") = "6"
    & skf21("2","1","6","2","3","7","7","1") = "6"
    & skf21("2","1","6","2","4","1","1","1") = "5"
    & skf21("2","1","6","2","4","1","2","1") = "5"
    & skf21("2","1","6","2","4","1","3","1") = "5"
    & skf21("2","1","6","2","4","1","4","1") = "5"
    & skf21("2","1","6","2","4","1","5","1") = "5"
    & skf21("2","1","6","2","4","1","6","1") = "5"
    & skf21("2","1","6","2","4","1","7","1") = "6"
    & skf21("2","1","6","2","4","2","1","1") = "5"
    & skf21("2","1","6","2","4","2","2","1") = "5"
    & skf21("2","1","6","2","4","2","3","1") = "5"
    & skf21("2","1","6","2","4","2","4","1") = "5"
    & skf21("2","1","6","2","4","2","5","1") = "5"
    & skf21("2","1","6","2","4","2","6","1") = "5"
    & skf21("2","1","6","2","4","2","7","1") = "6"
    & skf21("2","1","6","2","4","3","1","1") = "5"
    & skf21("2","1","6","2","4","3","2","1") = "5"
    & skf21("2","1","6","2","4","3","3","1") = "5"
    & skf21("2","1","6","2","4","3","4","1") = "5"
    & skf21("2","1","6","2","4","3","5","1") = "5"
    & skf21("2","1","6","2","4","3","6","1") = "5"
    & skf21("2","1","6","2","4","3","7","1") = "6"
    & skf21("2","1","6","2","4","4","1","1") = "5"
    & skf21("2","1","6","2","4","4","2","1") = "5"
    & skf21("2","1","6","2","4","4","3","1") = "5"
    & skf21("2","1","6","2","4","4","4","1") = "5"
    & skf21("2","1","6","2","4","4","5","1") = "5"
    & skf21("2","1","6","2","4","4","6","1") = "5"
    & skf21("2","1","6","2","4","4","7","1") = "6"
    & skf21("2","1","6","2","4","5","1","1") = "5"
    & skf21("2","1","6","2","4","5","2","1") = "5"
    & skf21("2","1","6","2","4","5","3","1") = "5"
    & skf21("2","1","6","2","4","5","4","1") = "5"
    & skf21("2","1","6","2","4","5","5","1") = "5"
    & skf21("2","1","6","2","4","5","6","1") = "5"
    & skf21("2","1","6","2","4","5","7","1") = "6"
    & skf21("2","1","6","2","4","6","1","1") = "5"
    & skf21("2","1","6","2","4","6","2","1") = "5"
    & skf21("2","1","6","2","4","6","3","1") = "5"
    & skf21("2","1","6","2","4","6","4","1") = "5"
    & skf21("2","1","6","2","4","6","5","1") = "5"
    & skf21("2","1","6","2","4","6","6","1") = "5"
    & skf21("2","1","6","2","4","6","7","1") = "6"
    & skf21("2","1","6","2","4","7","1","1") = "6"
    & skf21("2","1","6","2","4","7","2","1") = "6"
    & skf21("2","1","6","2","4","7","3","1") = "6"
    & skf21("2","1","6","2","4","7","4","1") = "6"
    & skf21("2","1","6","2","4","7","5","1") = "6"
    & skf21("2","1","6","2","4","7","6","1") = "6"
    & skf21("2","1","6","2","4","7","7","1") = "6"
    & skf21("2","1","6","2","5","1","1","1") = "5"
    & skf21("2","1","6","2","5","1","2","1") = "5"
    & skf21("2","1","6","2","5","1","3","1") = "5"
    & skf21("2","1","6","2","5","1","4","1") = "5"
    & skf21("2","1","6","2","5","1","5","1") = "5"
    & skf21("2","1","6","2","5","1","6","1") = "5"
    & skf21("2","1","6","2","5","1","7","1") = "6"
    & skf21("2","1","6","2","5","2","1","1") = "5"
    & skf21("2","1","6","2","5","2","2","1") = "5"
    & skf21("2","1","6","2","5","2","3","1") = "5"
    & skf21("2","1","6","2","5","2","4","1") = "5"
    & skf21("2","1","6","2","5","2","5","1") = "5"
    & skf21("2","1","6","2","5","2","6","1") = "5"
    & skf21("2","1","6","2","5","2","7","1") = "6"
    & skf21("2","1","6","2","5","3","1","1") = "5"
    & skf21("2","1","6","2","5","3","2","1") = "5"
    & skf21("2","1","6","2","5","3","3","1") = "5"
    & skf21("2","1","6","2","5","3","4","1") = "5"
    & skf21("2","1","6","2","5","3","5","1") = "5"
    & skf21("2","1","6","2","5","3","6","1") = "5"
    & skf21("2","1","6","2","5","3","7","1") = "6"
    & skf21("2","1","6","2","5","4","1","1") = "5"
    & skf21("2","1","6","2","5","4","2","1") = "5"
    & skf21("2","1","6","2","5","4","3","1") = "5"
    & skf21("2","1","6","2","5","4","4","1") = "5"
    & skf21("2","1","6","2","5","4","5","1") = "5"
    & skf21("2","1","6","2","5","4","6","1") = "5"
    & skf21("2","1","6","2","5","4","7","1") = "6"
    & skf21("2","1","6","2","5","5","1","1") = "5"
    & skf21("2","1","6","2","5","5","2","1") = "5"
    & skf21("2","1","6","2","5","5","3","1") = "5"
    & skf21("2","1","6","2","5","5","4","1") = "5"
    & skf21("2","1","6","2","5","5","5","1") = "5"
    & skf21("2","1","6","2","5","5","6","1") = "5"
    & skf21("2","1","6","2","5","5","7","1") = "6"
    & skf21("2","1","6","2","5","6","1","1") = "5"
    & skf21("2","1","6","2","5","6","2","1") = "5"
    & skf21("2","1","6","2","5","6","3","1") = "5"
    & skf21("2","1","6","2","5","6","4","1") = "5"
    & skf21("2","1","6","2","5","6","5","1") = "5"
    & skf21("2","1","6","2","5","6","6","1") = "5"
    & skf21("2","1","6","2","5","6","7","1") = "6"
    & skf21("2","1","6","2","5","7","1","1") = "6"
    & skf21("2","1","6","2","5","7","2","1") = "6"
    & skf21("2","1","6","2","5","7","3","1") = "6"
    & skf21("2","1","6","2","5","7","4","1") = "6"
    & skf21("2","1","6","2","5","7","5","1") = "6"
    & skf21("2","1","6","2","5","7","6","1") = "6"
    & skf21("2","1","6","2","5","7","7","1") = "6"
    & skf21("2","1","6","2","6","1","1","1") = "5"
    & skf21("2","1","6","2","6","1","2","1") = "5"
    & skf21("2","1","6","2","6","1","3","1") = "5"
    & skf21("2","1","6","2","6","1","4","1") = "5"
    & skf21("2","1","6","2","6","1","5","1") = "5"
    & skf21("2","1","6","2","6","1","6","1") = "5"
    & skf21("2","1","6","2","6","1","7","1") = "6"
    & skf21("2","1","6","2","6","2","1","1") = "5"
    & skf21("2","1","6","2","6","2","2","1") = "5"
    & skf21("2","1","6","2","6","2","3","1") = "5"
    & skf21("2","1","6","2","6","2","4","1") = "5"
    & skf21("2","1","6","2","6","2","5","1") = "5"
    & skf21("2","1","6","2","6","2","6","1") = "5"
    & skf21("2","1","6","2","6","2","7","1") = "6"
    & skf21("2","1","6","2","6","3","1","1") = "5"
    & skf21("2","1","6","2","6","3","2","1") = "5"
    & skf21("2","1","6","2","6","3","3","1") = "5"
    & skf21("2","1","6","2","6","3","4","1") = "5"
    & skf21("2","1","6","2","6","3","5","1") = "5"
    & skf21("2","1","6","2","6","3","6","1") = "5"
    & skf21("2","1","6","2","6","3","7","1") = "6"
    & skf21("2","1","6","2","6","4","1","1") = "5"
    & skf21("2","1","6","2","6","4","2","1") = "5"
    & skf21("2","1","6","2","6","4","3","1") = "5"
    & skf21("2","1","6","2","6","4","4","1") = "5"
    & skf21("2","1","6","2","6","4","5","1") = "5"
    & skf21("2","1","6","2","6","4","6","1") = "5"
    & skf21("2","1","6","2","6","4","7","1") = "6"
    & skf21("2","1","6","2","6","5","1","1") = "5"
    & skf21("2","1","6","2","6","5","2","1") = "5"
    & skf21("2","1","6","2","6","5","3","1") = "5"
    & skf21("2","1","6","2","6","5","4","1") = "5"
    & skf21("2","1","6","2","6","5","5","1") = "5"
    & skf21("2","1","6","2","6","5","6","1") = "5"
    & skf21("2","1","6","2","6","5","7","1") = "6"
    & skf21("2","1","6","2","6","6","1","1") = "5"
    & skf21("2","1","6","2","6","6","2","1") = "5"
    & skf21("2","1","6","2","6","6","3","1") = "5"
    & skf21("2","1","6","2","6","6","4","1") = "5"
    & skf21("2","1","6","2","6","6","5","1") = "5"
    & skf21("2","1","6","2","6","6","6","1") = "5"
    & skf21("2","1","6","2","6","6","7","1") = "6"
    & skf21("2","1","6","2","6","7","1","1") = "6"
    & skf21("2","1","6","2","6","7","2","1") = "6"
    & skf21("2","1","6","2","6","7","3","1") = "6"
    & skf21("2","1","6","2","6","7","4","1") = "6"
    & skf21("2","1","6","2","6","7","5","1") = "6"
    & skf21("2","1","6","2","6","7","6","1") = "6"
    & skf21("2","1","6","2","6","7","7","1") = "6"
    & skf21("2","1","6","2","7","1","1","1") = "6"
    & skf21("2","1","6","2","7","1","2","1") = "6"
    & skf21("2","1","6","2","7","1","3","1") = "6"
    & skf21("2","1","6","2","7","1","4","1") = "6"
    & skf21("2","1","6","2","7","1","5","1") = "6"
    & skf21("2","1","6","2","7","1","6","1") = "6"
    & skf21("2","1","6","2","7","1","7","1") = "6"
    & skf21("2","1","6","2","7","2","1","1") = "6"
    & skf21("2","1","6","2","7","2","2","1") = "6"
    & skf21("2","1","6","2","7","2","3","1") = "6"
    & skf21("2","1","6","2","7","2","4","1") = "6"
    & skf21("2","1","6","2","7","2","5","1") = "6"
    & skf21("2","1","6","2","7","2","6","1") = "6"
    & skf21("2","1","6","2","7","2","7","1") = "6"
    & skf21("2","1","6","2","7","3","1","1") = "6"
    & skf21("2","1","6","2","7","3","2","1") = "6"
    & skf21("2","1","6","2","7","3","3","1") = "6"
    & skf21("2","1","6","2","7","3","4","1") = "6"
    & skf21("2","1","6","2","7","3","5","1") = "6"
    & skf21("2","1","6","2","7","3","6","1") = "6"
    & skf21("2","1","6","2","7","3","7","1") = "6"
    & skf21("2","1","6","2","7","4","1","1") = "6"
    & skf21("2","1","6","2","7","4","2","1") = "6"
    & skf21("2","1","6","2","7","4","3","1") = "6"
    & skf21("2","1","6","2","7","4","4","1") = "6"
    & skf21("2","1","6","2","7","4","5","1") = "6"
    & skf21("2","1","6","2","7","4","6","1") = "6"
    & skf21("2","1","6","2","7","4","7","1") = "6"
    & skf21("2","1","6","2","7","5","1","1") = "6"
    & skf21("2","1","6","2","7","5","2","1") = "6"
    & skf21("2","1","6","2","7","5","3","1") = "6"
    & skf21("2","1","6","2","7","5","4","1") = "6"
    & skf21("2","1","6","2","7","5","5","1") = "6"
    & skf21("2","1","6","2","7","5","6","1") = "6"
    & skf21("2","1","6","2","7","5","7","1") = "6"
    & skf21("2","1","6","2","7","6","1","1") = "6"
    & skf21("2","1","6","2","7","6","2","1") = "6"
    & skf21("2","1","6","2","7","6","3","1") = "6"
    & skf21("2","1","6","2","7","6","4","1") = "6"
    & skf21("2","1","6","2","7","6","5","1") = "6"
    & skf21("2","1","6","2","7","6","6","1") = "6"
    & skf21("2","1","6","2","7","6","7","1") = "6"
    & skf21("2","1","6","2","7","7","1","1") = "6"
    & skf21("2","1","6","2","7","7","2","1") = "6"
    & skf21("2","1","6","2","7","7","3","1") = "6"
    & skf21("2","1","6","2","7","7","4","1") = "6"
    & skf21("2","1","6","2","7","7","5","1") = "6"
    & skf21("2","1","6","2","7","7","6","1") = "6"
    & skf21("2","1","6","2","7","7","7","1") = "6"
    & skf21("2","1","6","3","1","1","1","1") = "5"
    & skf21("2","1","6","3","1","1","2","1") = "5"
    & skf21("2","1","6","3","1","1","3","1") = "5"
    & skf21("2","1","6","3","1","1","4","1") = "5"
    & skf21("2","1","6","3","1","1","5","1") = "5"
    & skf21("2","1","6","3","1","1","6","1") = "5"
    & skf21("2","1","6","3","1","1","7","1") = "6"
    & skf21("2","1","6","3","1","2","1","1") = "5"
    & skf21("2","1","6","3","1","2","2","1") = "5"
    & skf21("2","1","6","3","1","2","3","1") = "5"
    & skf21("2","1","6","3","1","2","4","1") = "5"
    & skf21("2","1","6","3","1","2","5","1") = "5"
    & skf21("2","1","6","3","1","2","6","1") = "5"
    & skf21("2","1","6","3","1","2","7","1") = "6"
    & skf21("2","1","6","3","1","3","1","1") = "5"
    & skf21("2","1","6","3","1","3","2","1") = "5"
    & skf21("2","1","6","3","1","3","3","1") = "5"
    & skf21("2","1","6","3","1","3","4","1") = "5"
    & skf21("2","1","6","3","1","3","5","1") = "5"
    & skf21("2","1","6","3","1","3","6","1") = "5"
    & skf21("2","1","6","3","1","3","7","1") = "6"
    & skf21("2","1","6","3","1","4","1","1") = "5"
    & skf21("2","1","6","3","1","4","2","1") = "5"
    & skf21("2","1","6","3","1","4","3","1") = "5"
    & skf21("2","1","6","3","1","4","4","1") = "5"
    & skf21("2","1","6","3","1","4","5","1") = "5"
    & skf21("2","1","6","3","1","4","6","1") = "5"
    & skf21("2","1","6","3","1","4","7","1") = "6"
    & skf21("2","1","6","3","1","5","1","1") = "5"
    & skf21("2","1","6","3","1","5","2","1") = "5"
    & skf21("2","1","6","3","1","5","3","1") = "5"
    & skf21("2","1","6","3","1","5","4","1") = "5"
    & skf21("2","1","6","3","1","5","5","1") = "5"
    & skf21("2","1","6","3","1","5","6","1") = "5"
    & skf21("2","1","6","3","1","5","7","1") = "6"
    & skf21("2","1","6","3","1","6","1","1") = "5"
    & skf21("2","1","6","3","1","6","2","1") = "5"
    & skf21("2","1","6","3","1","6","3","1") = "5"
    & skf21("2","1","6","3","1","6","4","1") = "5"
    & skf21("2","1","6","3","1","6","5","1") = "5"
    & skf21("2","1","6","3","1","6","6","1") = "5"
    & skf21("2","1","6","3","1","6","7","1") = "6"
    & skf21("2","1","6","3","1","7","1","1") = "6"
    & skf21("2","1","6","3","1","7","2","1") = "6"
    & skf21("2","1","6","3","1","7","3","1") = "6"
    & skf21("2","1","6","3","1","7","4","1") = "6"
    & skf21("2","1","6","3","1","7","5","1") = "6"
    & skf21("2","1","6","3","1","7","6","1") = "6"
    & skf21("2","1","6","3","1","7","7","1") = "6"
    & skf21("2","1","6","3","2","1","1","1") = "5"
    & skf21("2","1","6","3","2","1","2","1") = "5"
    & skf21("2","1","6","3","2","1","3","1") = "5"
    & skf21("2","1","6","3","2","1","4","1") = "5"
    & skf21("2","1","6","3","2","1","5","1") = "5"
    & skf21("2","1","6","3","2","1","6","1") = "5"
    & skf21("2","1","6","3","2","1","7","1") = "6"
    & skf21("2","1","6","3","2","2","1","1") = "5"
    & skf21("2","1","6","3","2","2","2","1") = "5"
    & skf21("2","1","6","3","2","2","3","1") = "5"
    & skf21("2","1","6","3","2","2","4","1") = "5"
    & skf21("2","1","6","3","2","2","5","1") = "5"
    & skf21("2","1","6","3","2","2","6","1") = "5"
    & skf21("2","1","6","3","2","2","7","1") = "6"
    & skf21("2","1","6","3","2","3","1","1") = "5"
    & skf21("2","1","6","3","2","3","2","1") = "5"
    & skf21("2","1","6","3","2","3","3","1") = "5"
    & skf21("2","1","6","3","2","3","4","1") = "5"
    & skf21("2","1","6","3","2","3","5","1") = "5"
    & skf21("2","1","6","3","2","3","6","1") = "5"
    & skf21("2","1","6","3","2","3","7","1") = "6"
    & skf21("2","1","6","3","2","4","1","1") = "5"
    & skf21("2","1","6","3","2","4","2","1") = "5"
    & skf21("2","1","6","3","2","4","3","1") = "5"
    & skf21("2","1","6","3","2","4","4","1") = "5"
    & skf21("2","1","6","3","2","4","5","1") = "5"
    & skf21("2","1","6","3","2","4","6","1") = "5"
    & skf21("2","1","6","3","2","4","7","1") = "6"
    & skf21("2","1","6","3","2","5","1","1") = "5"
    & skf21("2","1","6","3","2","5","2","1") = "5"
    & skf21("2","1","6","3","2","5","3","1") = "5"
    & skf21("2","1","6","3","2","5","4","1") = "5"
    & skf21("2","1","6","3","2","5","5","1") = "5"
    & skf21("2","1","6","3","2","5","6","1") = "5"
    & skf21("2","1","6","3","2","5","7","1") = "6"
    & skf21("2","1","6","3","2","6","1","1") = "5"
    & skf21("2","1","6","3","2","6","2","1") = "5"
    & skf21("2","1","6","3","2","6","3","1") = "5"
    & skf21("2","1","6","3","2","6","4","1") = "5"
    & skf21("2","1","6","3","2","6","5","1") = "5"
    & skf21("2","1","6","3","2","6","6","1") = "5"
    & skf21("2","1","6","3","2","6","7","1") = "6"
    & skf21("2","1","6","3","2","7","1","1") = "6"
    & skf21("2","1","6","3","2","7","2","1") = "6"
    & skf21("2","1","6","3","2","7","3","1") = "6"
    & skf21("2","1","6","3","2","7","4","1") = "6"
    & skf21("2","1","6","3","2","7","5","1") = "6"
    & skf21("2","1","6","3","2","7","6","1") = "6"
    & skf21("2","1","6","3","2","7","7","1") = "6"
    & skf21("2","1","6","3","3","1","1","1") = "5"
    & skf21("2","1","6","3","3","1","2","1") = "5"
    & skf21("2","1","6","3","3","1","3","1") = "5"
    & skf21("2","1","6","3","3","1","4","1") = "5"
    & skf21("2","1","6","3","3","1","5","1") = "5"
    & skf21("2","1","6","3","3","1","6","1") = "5"
    & skf21("2","1","6","3","3","1","7","1") = "6"
    & skf21("2","1","6","3","3","2","1","1") = "5"
    & skf21("2","1","6","3","3","2","2","1") = "5"
    & skf21("2","1","6","3","3","2","3","1") = "5"
    & skf21("2","1","6","3","3","2","4","1") = "5"
    & skf21("2","1","6","3","3","2","5","1") = "5"
    & skf21("2","1","6","3","3","2","6","1") = "5"
    & skf21("2","1","6","3","3","2","7","1") = "6"
    & skf21("2","1","6","3","3","3","1","1") = "5"
    & skf21("2","1","6","3","3","3","2","1") = "5"
    & skf21("2","1","6","3","3","3","3","1") = "5"
    & skf21("2","1","6","3","3","3","4","1") = "5"
    & skf21("2","1","6","3","3","3","5","1") = "5"
    & skf21("2","1","6","3","3","3","6","1") = "5"
    & skf21("2","1","6","3","3","3","7","1") = "6"
    & skf21("2","1","6","3","3","4","1","1") = "5"
    & skf21("2","1","6","3","3","4","2","1") = "5"
    & skf21("2","1","6","3","3","4","3","1") = "5"
    & skf21("2","1","6","3","3","4","4","1") = "5"
    & skf21("2","1","6","3","3","4","5","1") = "5"
    & skf21("2","1","6","3","3","4","6","1") = "5"
    & skf21("2","1","6","3","3","4","7","1") = "6"
    & skf21("2","1","6","3","3","5","1","1") = "5"
    & skf21("2","1","6","3","3","5","2","1") = "5"
    & skf21("2","1","6","3","3","5","3","1") = "5"
    & skf21("2","1","6","3","3","5","4","1") = "5"
    & skf21("2","1","6","3","3","5","5","1") = "5"
    & skf21("2","1","6","3","3","5","6","1") = "5"
    & skf21("2","1","6","3","3","5","7","1") = "6"
    & skf21("2","1","6","3","3","6","1","1") = "5"
    & skf21("2","1","6","3","3","6","2","1") = "5"
    & skf21("2","1","6","3","3","6","3","1") = "5"
    & skf21("2","1","6","3","3","6","4","1") = "5"
    & skf21("2","1","6","3","3","6","5","1") = "5"
    & skf21("2","1","6","3","3","6","6","1") = "5"
    & skf21("2","1","6","3","3","6","7","1") = "6"
    & skf21("2","1","6","3","3","7","1","1") = "6"
    & skf21("2","1","6","3","3","7","2","1") = "6"
    & skf21("2","1","6","3","3","7","3","1") = "6"
    & skf21("2","1","6","3","3","7","4","1") = "6"
    & skf21("2","1","6","3","3","7","5","1") = "6"
    & skf21("2","1","6","3","3","7","6","1") = "6"
    & skf21("2","1","6","3","3","7","7","1") = "6"
    & skf21("2","1","6","3","4","1","1","1") = "5"
    & skf21("2","1","6","3","4","1","2","1") = "5"
    & skf21("2","1","6","3","4","1","3","1") = "5"
    & skf21("2","1","6","3","4","1","4","1") = "5"
    & skf21("2","1","6","3","4","1","5","1") = "5"
    & skf21("2","1","6","3","4","1","6","1") = "5"
    & skf21("2","1","6","3","4","1","7","1") = "6"
    & skf21("2","1","6","3","4","2","1","1") = "5"
    & skf21("2","1","6","3","4","2","2","1") = "5"
    & skf21("2","1","6","3","4","2","3","1") = "5"
    & skf21("2","1","6","3","4","2","4","1") = "5"
    & skf21("2","1","6","3","4","2","5","1") = "5"
    & skf21("2","1","6","3","4","2","6","1") = "5"
    & skf21("2","1","6","3","4","2","7","1") = "6"
    & skf21("2","1","6","3","4","3","1","1") = "5"
    & skf21("2","1","6","3","4","3","2","1") = "5"
    & skf21("2","1","6","3","4","3","3","1") = "5"
    & skf21("2","1","6","3","4","3","4","1") = "5"
    & skf21("2","1","6","3","4","3","5","1") = "5"
    & skf21("2","1","6","3","4","3","6","1") = "5"
    & skf21("2","1","6","3","4","3","7","1") = "6"
    & skf21("2","1","6","3","4","4","1","1") = "5"
    & skf21("2","1","6","3","4","4","2","1") = "5"
    & skf21("2","1","6","3","4","4","3","1") = "5"
    & skf21("2","1","6","3","4","4","4","1") = "5"
    & skf21("2","1","6","3","4","4","5","1") = "5"
    & skf21("2","1","6","3","4","4","6","1") = "5"
    & skf21("2","1","6","3","4","4","7","1") = "6"
    & skf21("2","1","6","3","4","5","1","1") = "5"
    & skf21("2","1","6","3","4","5","2","1") = "5"
    & skf21("2","1","6","3","4","5","3","1") = "5"
    & skf21("2","1","6","3","4","5","4","1") = "5"
    & skf21("2","1","6","3","4","5","5","1") = "5"
    & skf21("2","1","6","3","4","5","6","1") = "5"
    & skf21("2","1","6","3","4","5","7","1") = "6"
    & skf21("2","1","6","3","4","6","1","1") = "5"
    & skf21("2","1","6","3","4","6","2","1") = "5"
    & skf21("2","1","6","3","4","6","3","1") = "5"
    & skf21("2","1","6","3","4","6","4","1") = "5"
    & skf21("2","1","6","3","4","6","5","1") = "5"
    & skf21("2","1","6","3","4","6","6","1") = "5"
    & skf21("2","1","6","3","4","6","7","1") = "6"
    & skf21("2","1","6","3","4","7","1","1") = "6"
    & skf21("2","1","6","3","4","7","2","1") = "6"
    & skf21("2","1","6","3","4","7","3","1") = "6"
    & skf21("2","1","6","3","4","7","4","1") = "6"
    & skf21("2","1","6","3","4","7","5","1") = "6"
    & skf21("2","1","6","3","4","7","6","1") = "6"
    & skf21("2","1","6","3","4","7","7","1") = "6"
    & skf21("2","1","6","3","5","1","1","1") = "5"
    & skf21("2","1","6","3","5","1","2","1") = "5"
    & skf21("2","1","6","3","5","1","3","1") = "5"
    & skf21("2","1","6","3","5","1","4","1") = "5"
    & skf21("2","1","6","3","5","1","5","1") = "5"
    & skf21("2","1","6","3","5","1","6","1") = "5"
    & skf21("2","1","6","3","5","1","7","1") = "6"
    & skf21("2","1","6","3","5","2","1","1") = "5"
    & skf21("2","1","6","3","5","2","2","1") = "5"
    & skf21("2","1","6","3","5","2","3","1") = "5"
    & skf21("2","1","6","3","5","2","4","1") = "5"
    & skf21("2","1","6","3","5","2","5","1") = "5"
    & skf21("2","1","6","3","5","2","6","1") = "5"
    & skf21("2","1","6","3","5","2","7","1") = "6"
    & skf21("2","1","6","3","5","3","1","1") = "5"
    & skf21("2","1","6","3","5","3","2","1") = "5"
    & skf21("2","1","6","3","5","3","3","1") = "5"
    & skf21("2","1","6","3","5","3","4","1") = "5"
    & skf21("2","1","6","3","5","3","5","1") = "5"
    & skf21("2","1","6","3","5","3","6","1") = "5"
    & skf21("2","1","6","3","5","3","7","1") = "6"
    & skf21("2","1","6","3","5","4","1","1") = "5"
    & skf21("2","1","6","3","5","4","2","1") = "5"
    & skf21("2","1","6","3","5","4","3","1") = "5"
    & skf21("2","1","6","3","5","4","4","1") = "5"
    & skf21("2","1","6","3","5","4","5","1") = "5"
    & skf21("2","1","6","3","5","4","6","1") = "5"
    & skf21("2","1","6","3","5","4","7","1") = "6"
    & skf21("2","1","6","3","5","5","1","1") = "5"
    & skf21("2","1","6","3","5","5","2","1") = "5"
    & skf21("2","1","6","3","5","5","3","1") = "5"
    & skf21("2","1","6","3","5","5","4","1") = "5"
    & skf21("2","1","6","3","5","5","5","1") = "5"
    & skf21("2","1","6","3","5","5","6","1") = "5"
    & skf21("2","1","6","3","5","5","7","1") = "6"
    & skf21("2","1","6","3","5","6","1","1") = "5"
    & skf21("2","1","6","3","5","6","2","1") = "5"
    & skf21("2","1","6","3","5","6","3","1") = "5"
    & skf21("2","1","6","3","5","6","4","1") = "5"
    & skf21("2","1","6","3","5","6","5","1") = "5"
    & skf21("2","1","6","3","5","6","6","1") = "5"
    & skf21("2","1","6","3","5","6","7","1") = "6"
    & skf21("2","1","6","3","5","7","1","1") = "6"
    & skf21("2","1","6","3","5","7","2","1") = "6"
    & skf21("2","1","6","3","5","7","3","1") = "6"
    & skf21("2","1","6","3","5","7","4","1") = "6"
    & skf21("2","1","6","3","5","7","5","1") = "6"
    & skf21("2","1","6","3","5","7","6","1") = "6"
    & skf21("2","1","6","3","5","7","7","1") = "6"
    & skf21("2","1","6","3","6","1","1","1") = "5"
    & skf21("2","1","6","3","6","1","2","1") = "5"
    & skf21("2","1","6","3","6","1","3","1") = "5"
    & skf21("2","1","6","3","6","1","4","1") = "5"
    & skf21("2","1","6","3","6","1","5","1") = "5"
    & skf21("2","1","6","3","6","1","6","1") = "5"
    & skf21("2","1","6","3","6","1","7","1") = "6"
    & skf21("2","1","6","3","6","2","1","1") = "5"
    & skf21("2","1","6","3","6","2","2","1") = "5"
    & skf21("2","1","6","3","6","2","3","1") = "5"
    & skf21("2","1","6","3","6","2","4","1") = "5"
    & skf21("2","1","6","3","6","2","5","1") = "5"
    & skf21("2","1","6","3","6","2","6","1") = "5"
    & skf21("2","1","6","3","6","2","7","1") = "6"
    & skf21("2","1","6","3","6","3","1","1") = "5"
    & skf21("2","1","6","3","6","3","2","1") = "5"
    & skf21("2","1","6","3","6","3","3","1") = "5"
    & skf21("2","1","6","3","6","3","4","1") = "5"
    & skf21("2","1","6","3","6","3","5","1") = "5"
    & skf21("2","1","6","3","6","3","6","1") = "5"
    & skf21("2","1","6","3","6","3","7","1") = "6"
    & skf21("2","1","6","3","6","4","1","1") = "5"
    & skf21("2","1","6","3","6","4","2","1") = "5"
    & skf21("2","1","6","3","6","4","3","1") = "5"
    & skf21("2","1","6","3","6","4","4","1") = "5"
    & skf21("2","1","6","3","6","4","5","1") = "5"
    & skf21("2","1","6","3","6","4","6","1") = "5"
    & skf21("2","1","6","3","6","4","7","1") = "6"
    & skf21("2","1","6","3","6","5","1","1") = "5"
    & skf21("2","1","6","3","6","5","2","1") = "5"
    & skf21("2","1","6","3","6","5","3","1") = "5"
    & skf21("2","1","6","3","6","5","4","1") = "5"
    & skf21("2","1","6","3","6","5","5","1") = "5"
    & skf21("2","1","6","3","6","5","6","1") = "5"
    & skf21("2","1","6","3","6","5","7","1") = "6"
    & skf21("2","1","6","3","6","6","1","1") = "5"
    & skf21("2","1","6","3","6","6","2","1") = "5"
    & skf21("2","1","6","3","6","6","3","1") = "5"
    & skf21("2","1","6","3","6","6","4","1") = "5"
    & skf21("2","1","6","3","6","6","5","1") = "5"
    & skf21("2","1","6","3","6","6","6","1") = "5"
    & skf21("2","1","6","3","6","6","7","1") = "6"
    & skf21("2","1","6","3","6","7","1","1") = "6"
    & skf21("2","1","6","3","6","7","2","1") = "6"
    & skf21("2","1","6","3","6","7","3","1") = "6"
    & skf21("2","1","6","3","6","7","4","1") = "6"
    & skf21("2","1","6","3","6","7","5","1") = "6"
    & skf21("2","1","6","3","6","7","6","1") = "6"
    & skf21("2","1","6","3","6","7","7","1") = "6"
    & skf21("2","1","6","3","7","1","1","1") = "6"
    & skf21("2","1","6","3","7","1","2","1") = "6"
    & skf21("2","1","6","3","7","1","3","1") = "6"
    & skf21("2","1","6","3","7","1","4","1") = "6"
    & skf21("2","1","6","3","7","1","5","1") = "6"
    & skf21("2","1","6","3","7","1","6","1") = "6"
    & skf21("2","1","6","3","7","1","7","1") = "6"
    & skf21("2","1","6","3","7","2","1","1") = "6"
    & skf21("2","1","6","3","7","2","2","1") = "6"
    & skf21("2","1","6","3","7","2","3","1") = "6"
    & skf21("2","1","6","3","7","2","4","1") = "6"
    & skf21("2","1","6","3","7","2","5","1") = "6"
    & skf21("2","1","6","3","7","2","6","1") = "6"
    & skf21("2","1","6","3","7","2","7","1") = "6"
    & skf21("2","1","6","3","7","3","1","1") = "6"
    & skf21("2","1","6","3","7","3","2","1") = "6"
    & skf21("2","1","6","3","7","3","3","1") = "6"
    & skf21("2","1","6","3","7","3","4","1") = "6"
    & skf21("2","1","6","3","7","3","5","1") = "6"
    & skf21("2","1","6","3","7","3","6","1") = "6"
    & skf21("2","1","6","3","7","3","7","1") = "6"
    & skf21("2","1","6","3","7","4","1","1") = "6"
    & skf21("2","1","6","3","7","4","2","1") = "6"
    & skf21("2","1","6","3","7","4","3","1") = "6"
    & skf21("2","1","6","3","7","4","4","1") = "6"
    & skf21("2","1","6","3","7","4","5","1") = "6"
    & skf21("2","1","6","3","7","4","6","1") = "6"
    & skf21("2","1","6","3","7","4","7","1") = "6"
    & skf21("2","1","6","3","7","5","1","1") = "6"
    & skf21("2","1","6","3","7","5","2","1") = "6"
    & skf21("2","1","6","3","7","5","3","1") = "6"
    & skf21("2","1","6","3","7","5","4","1") = "6"
    & skf21("2","1","6","3","7","5","5","1") = "6"
    & skf21("2","1","6","3","7","5","6","1") = "6"
    & skf21("2","1","6","3","7","5","7","1") = "6"
    & skf21("2","1","6","3","7","6","1","1") = "6"
    & skf21("2","1","6","3","7","6","2","1") = "6"
    & skf21("2","1","6","3","7","6","3","1") = "6"
    & skf21("2","1","6","3","7","6","4","1") = "6"
    & skf21("2","1","6","3","7","6","5","1") = "6"
    & skf21("2","1","6","3","7","6","6","1") = "6"
    & skf21("2","1","6","3","7","6","7","1") = "6"
    & skf21("2","1","6","3","7","7","1","1") = "6"
    & skf21("2","1","6","3","7","7","2","1") = "6"
    & skf21("2","1","6","3","7","7","3","1") = "6"
    & skf21("2","1","6","3","7","7","4","1") = "6"
    & skf21("2","1","6","3","7","7","5","1") = "6"
    & skf21("2","1","6","3","7","7","6","1") = "6"
    & skf21("2","1","6","3","7","7","7","1") = "6"
    & skf21("2","1","6","4","1","1","1","1") = "5"
    & skf21("2","1","6","4","1","1","2","1") = "5"
    & skf21("2","1","6","4","1","1","3","1") = "5"
    & skf21("2","1","6","4","1","1","4","1") = "5"
    & skf21("2","1","6","4","1","1","5","1") = "5"
    & skf21("2","1","6","4","1","1","6","1") = "5"
    & skf21("2","1","6","4","1","1","7","1") = "6"
    & skf21("2","1","6","4","1","2","1","1") = "5"
    & skf21("2","1","6","4","1","2","2","1") = "5"
    & skf21("2","1","6","4","1","2","3","1") = "5"
    & skf21("2","1","6","4","1","2","4","1") = "5"
    & skf21("2","1","6","4","1","2","5","1") = "5"
    & skf21("2","1","6","4","1","2","6","1") = "5"
    & skf21("2","1","6","4","1","2","7","1") = "6"
    & skf21("2","1","6","4","1","3","1","1") = "5"
    & skf21("2","1","6","4","1","3","2","1") = "5"
    & skf21("2","1","6","4","1","3","3","1") = "5"
    & skf21("2","1","6","4","1","3","4","1") = "5"
    & skf21("2","1","6","4","1","3","5","1") = "5"
    & skf21("2","1","6","4","1","3","6","1") = "5"
    & skf21("2","1","6","4","1","3","7","1") = "6"
    & skf21("2","1","6","4","1","4","1","1") = "5"
    & skf21("2","1","6","4","1","4","2","1") = "5"
    & skf21("2","1","6","4","1","4","3","1") = "5"
    & skf21("2","1","6","4","1","4","4","1") = "5"
    & skf21("2","1","6","4","1","4","5","1") = "5"
    & skf21("2","1","6","4","1","4","6","1") = "5"
    & skf21("2","1","6","4","1","4","7","1") = "6"
    & skf21("2","1","6","4","1","5","1","1") = "5"
    & skf21("2","1","6","4","1","5","2","1") = "5"
    & skf21("2","1","6","4","1","5","3","1") = "5"
    & skf21("2","1","6","4","1","5","4","1") = "5"
    & skf21("2","1","6","4","1","5","5","1") = "5"
    & skf21("2","1","6","4","1","5","6","1") = "5"
    & skf21("2","1","6","4","1","5","7","1") = "6"
    & skf21("2","1","6","4","1","6","1","1") = "5"
    & skf21("2","1","6","4","1","6","2","1") = "5"
    & skf21("2","1","6","4","1","6","3","1") = "5"
    & skf21("2","1","6","4","1","6","4","1") = "5"
    & skf21("2","1","6","4","1","6","5","1") = "5"
    & skf21("2","1","6","4","1","6","6","1") = "5"
    & skf21("2","1","6","4","1","6","7","1") = "6"
    & skf21("2","1","6","4","1","7","1","1") = "6"
    & skf21("2","1","6","4","1","7","2","1") = "6"
    & skf21("2","1","6","4","1","7","3","1") = "6"
    & skf21("2","1","6","4","1","7","4","1") = "6"
    & skf21("2","1","6","4","1","7","5","1") = "6"
    & skf21("2","1","6","4","1","7","6","1") = "6"
    & skf21("2","1","6","4","1","7","7","1") = "6"
    & skf21("2","1","6","4","2","1","1","1") = "5"
    & skf21("2","1","6","4","2","1","2","1") = "5"
    & skf21("2","1","6","4","2","1","3","1") = "5"
    & skf21("2","1","6","4","2","1","4","1") = "5"
    & skf21("2","1","6","4","2","1","5","1") = "5"
    & skf21("2","1","6","4","2","1","6","1") = "5"
    & skf21("2","1","6","4","2","1","7","1") = "6"
    & skf21("2","1","6","4","2","2","1","1") = "5"
    & skf21("2","1","6","4","2","2","2","1") = "5"
    & skf21("2","1","6","4","2","2","3","1") = "5"
    & skf21("2","1","6","4","2","2","4","1") = "5"
    & skf21("2","1","6","4","2","2","5","1") = "5"
    & skf21("2","1","6","4","2","2","6","1") = "5"
    & skf21("2","1","6","4","2","2","7","1") = "6"
    & skf21("2","1","6","4","2","3","1","1") = "5"
    & skf21("2","1","6","4","2","3","2","1") = "5"
    & skf21("2","1","6","4","2","3","3","1") = "5"
    & skf21("2","1","6","4","2","3","4","1") = "5"
    & skf21("2","1","6","4","2","3","5","1") = "5"
    & skf21("2","1","6","4","2","3","6","1") = "5"
    & skf21("2","1","6","4","2","3","7","1") = "6"
    & skf21("2","1","6","4","2","4","1","1") = "5"
    & skf21("2","1","6","4","2","4","2","1") = "5"
    & skf21("2","1","6","4","2","4","3","1") = "5"
    & skf21("2","1","6","4","2","4","4","1") = "5"
    & skf21("2","1","6","4","2","4","5","1") = "5"
    & skf21("2","1","6","4","2","4","6","1") = "5"
    & skf21("2","1","6","4","2","4","7","1") = "6"
    & skf21("2","1","6","4","2","5","1","1") = "5"
    & skf21("2","1","6","4","2","5","2","1") = "5"
    & skf21("2","1","6","4","2","5","3","1") = "5"
    & skf21("2","1","6","4","2","5","4","1") = "5"
    & skf21("2","1","6","4","2","5","5","1") = "5"
    & skf21("2","1","6","4","2","5","6","1") = "5"
    & skf21("2","1","6","4","2","5","7","1") = "6"
    & skf21("2","1","6","4","2","6","1","1") = "5"
    & skf21("2","1","6","4","2","6","2","1") = "5"
    & skf21("2","1","6","4","2","6","3","1") = "5"
    & skf21("2","1","6","4","2","6","4","1") = "5"
    & skf21("2","1","6","4","2","6","5","1") = "5"
    & skf21("2","1","6","4","2","6","6","1") = "5"
    & skf21("2","1","6","4","2","6","7","1") = "6"
    & skf21("2","1","6","4","2","7","1","1") = "6"
    & skf21("2","1","6","4","2","7","2","1") = "6"
    & skf21("2","1","6","4","2","7","3","1") = "6"
    & skf21("2","1","6","4","2","7","4","1") = "6"
    & skf21("2","1","6","4","2","7","5","1") = "6"
    & skf21("2","1","6","4","2","7","6","1") = "6"
    & skf21("2","1","6","4","2","7","7","1") = "6"
    & skf21("2","1","6","4","3","1","1","1") = "5"
    & skf21("2","1","6","4","3","1","2","1") = "5"
    & skf21("2","1","6","4","3","1","3","1") = "5"
    & skf21("2","1","6","4","3","1","4","1") = "5"
    & skf21("2","1","6","4","3","1","5","1") = "5"
    & skf21("2","1","6","4","3","1","6","1") = "5"
    & skf21("2","1","6","4","3","1","7","1") = "6"
    & skf21("2","1","6","4","3","2","1","1") = "5"
    & skf21("2","1","6","4","3","2","2","1") = "5"
    & skf21("2","1","6","4","3","2","3","1") = "5"
    & skf21("2","1","6","4","3","2","4","1") = "5"
    & skf21("2","1","6","4","3","2","5","1") = "5"
    & skf21("2","1","6","4","3","2","6","1") = "5"
    & skf21("2","1","6","4","3","2","7","1") = "6"
    & skf21("2","1","6","4","3","3","1","1") = "5"
    & skf21("2","1","6","4","3","3","2","1") = "5"
    & skf21("2","1","6","4","3","3","3","1") = "5"
    & skf21("2","1","6","4","3","3","4","1") = "5"
    & skf21("2","1","6","4","3","3","5","1") = "5"
    & skf21("2","1","6","4","3","3","6","1") = "5"
    & skf21("2","1","6","4","3","3","7","1") = "6"
    & skf21("2","1","6","4","3","4","1","1") = "5"
    & skf21("2","1","6","4","3","4","2","1") = "5"
    & skf21("2","1","6","4","3","4","3","1") = "5"
    & skf21("2","1","6","4","3","4","4","1") = "5"
    & skf21("2","1","6","4","3","4","5","1") = "5"
    & skf21("2","1","6","4","3","4","6","1") = "5"
    & skf21("2","1","6","4","3","4","7","1") = "6"
    & skf21("2","1","6","4","3","5","1","1") = "5"
    & skf21("2","1","6","4","3","5","2","1") = "5"
    & skf21("2","1","6","4","3","5","3","1") = "5"
    & skf21("2","1","6","4","3","5","4","1") = "5"
    & skf21("2","1","6","4","3","5","5","1") = "5"
    & skf21("2","1","6","4","3","5","6","1") = "5"
    & skf21("2","1","6","4","3","5","7","1") = "6"
    & skf21("2","1","6","4","3","6","1","1") = "5"
    & skf21("2","1","6","4","3","6","2","1") = "5"
    & skf21("2","1","6","4","3","6","3","1") = "5"
    & skf21("2","1","6","4","3","6","4","1") = "5"
    & skf21("2","1","6","4","3","6","5","1") = "5"
    & skf21("2","1","6","4","3","6","6","1") = "5"
    & skf21("2","1","6","4","3","6","7","1") = "6"
    & skf21("2","1","6","4","3","7","1","1") = "6"
    & skf21("2","1","6","4","3","7","2","1") = "6"
    & skf21("2","1","6","4","3","7","3","1") = "6"
    & skf21("2","1","6","4","3","7","4","1") = "6"
    & skf21("2","1","6","4","3","7","5","1") = "6"
    & skf21("2","1","6","4","3","7","6","1") = "6"
    & skf21("2","1","6","4","3","7","7","1") = "6"
    & skf21("2","1","6","4","4","1","1","1") = "5"
    & skf21("2","1","6","4","4","1","2","1") = "5"
    & skf21("2","1","6","4","4","1","3","1") = "5"
    & skf21("2","1","6","4","4","1","4","1") = "5"
    & skf21("2","1","6","4","4","1","5","1") = "5"
    & skf21("2","1","6","4","4","1","6","1") = "5"
    & skf21("2","1","6","4","4","1","7","1") = "6"
    & skf21("2","1","6","4","4","2","1","1") = "5"
    & skf21("2","1","6","4","4","2","2","1") = "5"
    & skf21("2","1","6","4","4","2","3","1") = "5"
    & skf21("2","1","6","4","4","2","4","1") = "5"
    & skf21("2","1","6","4","4","2","5","1") = "5"
    & skf21("2","1","6","4","4","2","6","1") = "5"
    & skf21("2","1","6","4","4","2","7","1") = "6"
    & skf21("2","1","6","4","4","3","1","1") = "5"
    & skf21("2","1","6","4","4","3","2","1") = "5"
    & skf21("2","1","6","4","4","3","3","1") = "5"
    & skf21("2","1","6","4","4","3","4","1") = "5"
    & skf21("2","1","6","4","4","3","5","1") = "5"
    & skf21("2","1","6","4","4","3","6","1") = "5"
    & skf21("2","1","6","4","4","3","7","1") = "6"
    & skf21("2","1","6","4","4","4","1","1") = "5"
    & skf21("2","1","6","4","4","4","2","1") = "5"
    & skf21("2","1","6","4","4","4","3","1") = "5"
    & skf21("2","1","6","4","4","4","4","1") = "5"
    & skf21("2","1","6","4","4","4","5","1") = "5"
    & skf21("2","1","6","4","4","4","6","1") = "5"
    & skf21("2","1","6","4","4","4","7","1") = "6"
    & skf21("2","1","6","4","4","5","1","1") = "5"
    & skf21("2","1","6","4","4","5","2","1") = "5"
    & skf21("2","1","6","4","4","5","3","1") = "5"
    & skf21("2","1","6","4","4","5","4","1") = "5"
    & skf21("2","1","6","4","4","5","5","1") = "5"
    & skf21("2","1","6","4","4","5","6","1") = "5"
    & skf21("2","1","6","4","4","5","7","1") = "6"
    & skf21("2","1","6","4","4","6","1","1") = "5"
    & skf21("2","1","6","4","4","6","2","1") = "5"
    & skf21("2","1","6","4","4","6","3","1") = "5"
    & skf21("2","1","6","4","4","6","4","1") = "5"
    & skf21("2","1","6","4","4","6","5","1") = "5"
    & skf21("2","1","6","4","4","6","6","1") = "5"
    & skf21("2","1","6","4","4","6","7","1") = "6"
    & skf21("2","1","6","4","4","7","1","1") = "6"
    & skf21("2","1","6","4","4","7","2","1") = "6"
    & skf21("2","1","6","4","4","7","3","1") = "6"
    & skf21("2","1","6","4","4","7","4","1") = "6"
    & skf21("2","1","6","4","4","7","5","1") = "6"
    & skf21("2","1","6","4","4","7","6","1") = "6"
    & skf21("2","1","6","4","4","7","7","1") = "6"
    & skf21("2","1","6","4","5","1","1","1") = "5"
    & skf21("2","1","6","4","5","1","2","1") = "5"
    & skf21("2","1","6","4","5","1","3","1") = "5"
    & skf21("2","1","6","4","5","1","4","1") = "5"
    & skf21("2","1","6","4","5","1","5","1") = "5"
    & skf21("2","1","6","4","5","1","6","1") = "5"
    & skf21("2","1","6","4","5","1","7","1") = "6"
    & skf21("2","1","6","4","5","2","1","1") = "5"
    & skf21("2","1","6","4","5","2","2","1") = "5"
    & skf21("2","1","6","4","5","2","3","1") = "5"
    & skf21("2","1","6","4","5","2","4","1") = "5"
    & skf21("2","1","6","4","5","2","5","1") = "5"
    & skf21("2","1","6","4","5","2","6","1") = "5"
    & skf21("2","1","6","4","5","2","7","1") = "6"
    & skf21("2","1","6","4","5","3","1","1") = "5"
    & skf21("2","1","6","4","5","3","2","1") = "5"
    & skf21("2","1","6","4","5","3","3","1") = "5"
    & skf21("2","1","6","4","5","3","4","1") = "5"
    & skf21("2","1","6","4","5","3","5","1") = "5"
    & skf21("2","1","6","4","5","3","6","1") = "5"
    & skf21("2","1","6","4","5","3","7","1") = "6"
    & skf21("2","1","6","4","5","4","1","1") = "5"
    & skf21("2","1","6","4","5","4","2","1") = "5"
    & skf21("2","1","6","4","5","4","3","1") = "5"
    & skf21("2","1","6","4","5","4","4","1") = "5"
    & skf21("2","1","6","4","5","4","5","1") = "5"
    & skf21("2","1","6","4","5","4","6","1") = "5"
    & skf21("2","1","6","4","5","4","7","1") = "6"
    & skf21("2","1","6","4","5","5","1","1") = "5"
    & skf21("2","1","6","4","5","5","2","1") = "5"
    & skf21("2","1","6","4","5","5","3","1") = "5"
    & skf21("2","1","6","4","5","5","4","1") = "5"
    & skf21("2","1","6","4","5","5","5","1") = "5"
    & skf21("2","1","6","4","5","5","6","1") = "5"
    & skf21("2","1","6","4","5","5","7","1") = "6"
    & skf21("2","1","6","4","5","6","1","1") = "5"
    & skf21("2","1","6","4","5","6","2","1") = "5"
    & skf21("2","1","6","4","5","6","3","1") = "5"
    & skf21("2","1","6","4","5","6","4","1") = "5"
    & skf21("2","1","6","4","5","6","5","1") = "5"
    & skf21("2","1","6","4","5","6","6","1") = "5"
    & skf21("2","1","6","4","5","6","7","1") = "6"
    & skf21("2","1","6","4","5","7","1","1") = "6"
    & skf21("2","1","6","4","5","7","2","1") = "6"
    & skf21("2","1","6","4","5","7","3","1") = "6"
    & skf21("2","1","6","4","5","7","4","1") = "6"
    & skf21("2","1","6","4","5","7","5","1") = "6"
    & skf21("2","1","6","4","5","7","6","1") = "6"
    & skf21("2","1","6","4","5","7","7","1") = "6"
    & skf21("2","1","6","4","6","1","1","1") = "5"
    & skf21("2","1","6","4","6","1","2","1") = "5"
    & skf21("2","1","6","4","6","1","3","1") = "5"
    & skf21("2","1","6","4","6","1","4","1") = "5"
    & skf21("2","1","6","4","6","1","5","1") = "5"
    & skf21("2","1","6","4","6","1","6","1") = "5"
    & skf21("2","1","6","4","6","1","7","1") = "6"
    & skf21("2","1","6","4","6","2","1","1") = "5"
    & skf21("2","1","6","4","6","2","2","1") = "5"
    & skf21("2","1","6","4","6","2","3","1") = "5"
    & skf21("2","1","6","4","6","2","4","1") = "5"
    & skf21("2","1","6","4","6","2","5","1") = "5"
    & skf21("2","1","6","4","6","2","6","1") = "5"
    & skf21("2","1","6","4","6","2","7","1") = "6"
    & skf21("2","1","6","4","6","3","1","1") = "5"
    & skf21("2","1","6","4","6","3","2","1") = "5"
    & skf21("2","1","6","4","6","3","3","1") = "5"
    & skf21("2","1","6","4","6","3","4","1") = "5"
    & skf21("2","1","6","4","6","3","5","1") = "5"
    & skf21("2","1","6","4","6","3","6","1") = "5"
    & skf21("2","1","6","4","6","3","7","1") = "6"
    & skf21("2","1","6","4","6","4","1","1") = "5"
    & skf21("2","1","6","4","6","4","2","1") = "5"
    & skf21("2","1","6","4","6","4","3","1") = "5"
    & skf21("2","1","6","4","6","4","4","1") = "5"
    & skf21("2","1","6","4","6","4","5","1") = "5"
    & skf21("2","1","6","4","6","4","6","1") = "5"
    & skf21("2","1","6","4","6","4","7","1") = "6"
    & skf21("2","1","6","4","6","5","1","1") = "5"
    & skf21("2","1","6","4","6","5","2","1") = "5"
    & skf21("2","1","6","4","6","5","3","1") = "5"
    & skf21("2","1","6","4","6","5","4","1") = "5"
    & skf21("2","1","6","4","6","5","5","1") = "5"
    & skf21("2","1","6","4","6","5","6","1") = "5"
    & skf21("2","1","6","4","6","5","7","1") = "6"
    & skf21("2","1","6","4","6","6","1","1") = "5"
    & skf21("2","1","6","4","6","6","2","1") = "5"
    & skf21("2","1","6","4","6","6","3","1") = "5"
    & skf21("2","1","6","4","6","6","4","1") = "5"
    & skf21("2","1","6","4","6","6","5","1") = "5"
    & skf21("2","1","6","4","6","6","6","1") = "5"
    & skf21("2","1","6","4","6","6","7","1") = "6"
    & skf21("2","1","6","4","6","7","1","1") = "6"
    & skf21("2","1","6","4","6","7","2","1") = "6"
    & skf21("2","1","6","4","6","7","3","1") = "6"
    & skf21("2","1","6","4","6","7","4","1") = "6"
    & skf21("2","1","6","4","6","7","5","1") = "6"
    & skf21("2","1","6","4","6","7","6","1") = "6"
    & skf21("2","1","6","4","6","7","7","1") = "6"
    & skf21("2","1","6","4","7","1","1","1") = "6"
    & skf21("2","1","6","4","7","1","2","1") = "6"
    & skf21("2","1","6","4","7","1","3","1") = "6"
    & skf21("2","1","6","4","7","1","4","1") = "6"
    & skf21("2","1","6","4","7","1","5","1") = "6"
    & skf21("2","1","6","4","7","1","6","1") = "6"
    & skf21("2","1","6","4","7","1","7","1") = "6"
    & skf21("2","1","6","4","7","2","1","1") = "6"
    & skf21("2","1","6","4","7","2","2","1") = "6"
    & skf21("2","1","6","4","7","2","3","1") = "6"
    & skf21("2","1","6","4","7","2","4","1") = "6"
    & skf21("2","1","6","4","7","2","5","1") = "6"
    & skf21("2","1","6","4","7","2","6","1") = "6"
    & skf21("2","1","6","4","7","2","7","1") = "6"
    & skf21("2","1","6","4","7","3","1","1") = "6"
    & skf21("2","1","6","4","7","3","2","1") = "6"
    & skf21("2","1","6","4","7","3","3","1") = "6"
    & skf21("2","1","6","4","7","3","4","1") = "6"
    & skf21("2","1","6","4","7","3","5","1") = "6"
    & skf21("2","1","6","4","7","3","6","1") = "6"
    & skf21("2","1","6","4","7","3","7","1") = "6"
    & skf21("2","1","6","4","7","4","1","1") = "6"
    & skf21("2","1","6","4","7","4","2","1") = "6"
    & skf21("2","1","6","4","7","4","3","1") = "6"
    & skf21("2","1","6","4","7","4","4","1") = "6"
    & skf21("2","1","6","4","7","4","5","1") = "6"
    & skf21("2","1","6","4","7","4","6","1") = "6"
    & skf21("2","1","6","4","7","4","7","1") = "6"
    & skf21("2","1","6","4","7","5","1","1") = "6"
    & skf21("2","1","6","4","7","5","2","1") = "6"
    & skf21("2","1","6","4","7","5","3","1") = "6"
    & skf21("2","1","6","4","7","5","4","1") = "6"
    & skf21("2","1","6","4","7","5","5","1") = "6"
    & skf21("2","1","6","4","7","5","6","1") = "6"
    & skf21("2","1","6","4","7","5","7","1") = "6"
    & skf21("2","1","6","4","7","6","1","1") = "6"
    & skf21("2","1","6","4","7","6","2","1") = "6"
    & skf21("2","1","6","4","7","6","3","1") = "6"
    & skf21("2","1","6","4","7","6","4","1") = "6"
    & skf21("2","1","6","4","7","6","5","1") = "6"
    & skf21("2","1","6","4","7","6","6","1") = "6"
    & skf21("2","1","6","4","7","6","7","1") = "6"
    & skf21("2","1","6","4","7","7","1","1") = "6"
    & skf21("2","1","6","4","7","7","2","1") = "6"
    & skf21("2","1","6","4","7","7","3","1") = "6"
    & skf21("2","1","6","4","7","7","4","1") = "6"
    & skf21("2","1","6","4","7","7","5","1") = "6"
    & skf21("2","1","6","4","7","7","6","1") = "6"
    & skf21("2","1","6","4","7","7","7","1") = "6"
    & skf21("2","1","6","5","1","1","1","1") = "5"
    & skf21("2","1","6","5","1","1","2","1") = "5"
    & skf21("2","1","6","5","1","1","3","1") = "5"
    & skf21("2","1","6","5","1","1","4","1") = "5"
    & skf21("2","1","6","5","1","1","5","1") = "5"
    & skf21("2","1","6","5","1","1","6","1") = "5"
    & skf21("2","1","6","5","1","1","7","1") = "6"
    & skf21("2","1","6","5","1","2","1","1") = "5"
    & skf21("2","1","6","5","1","2","2","1") = "5"
    & skf21("2","1","6","5","1","2","3","1") = "5"
    & skf21("2","1","6","5","1","2","4","1") = "5"
    & skf21("2","1","6","5","1","2","5","1") = "5"
    & skf21("2","1","6","5","1","2","6","1") = "5"
    & skf21("2","1","6","5","1","2","7","1") = "6"
    & skf21("2","1","6","5","1","3","1","1") = "5"
    & skf21("2","1","6","5","1","3","2","1") = "5"
    & skf21("2","1","6","5","1","3","3","1") = "5"
    & skf21("2","1","6","5","1","3","4","1") = "5"
    & skf21("2","1","6","5","1","3","5","1") = "5"
    & skf21("2","1","6","5","1","3","6","1") = "5"
    & skf21("2","1","6","5","1","3","7","1") = "6"
    & skf21("2","1","6","5","1","4","1","1") = "5"
    & skf21("2","1","6","5","1","4","2","1") = "5"
    & skf21("2","1","6","5","1","4","3","1") = "5"
    & skf21("2","1","6","5","1","4","4","1") = "5"
    & skf21("2","1","6","5","1","4","5","1") = "5"
    & skf21("2","1","6","5","1","4","6","1") = "5"
    & skf21("2","1","6","5","1","4","7","1") = "6"
    & skf21("2","1","6","5","1","5","1","1") = "5"
    & skf21("2","1","6","5","1","5","2","1") = "5"
    & skf21("2","1","6","5","1","5","3","1") = "5"
    & skf21("2","1","6","5","1","5","4","1") = "5"
    & skf21("2","1","6","5","1","5","5","1") = "5"
    & skf21("2","1","6","5","1","5","6","1") = "5"
    & skf21("2","1","6","5","1","5","7","1") = "6"
    & skf21("2","1","6","5","1","6","1","1") = "5"
    & skf21("2","1","6","5","1","6","2","1") = "5"
    & skf21("2","1","6","5","1","6","3","1") = "5"
    & skf21("2","1","6","5","1","6","4","1") = "5"
    & skf21("2","1","6","5","1","6","5","1") = "5"
    & skf21("2","1","6","5","1","6","6","1") = "5"
    & skf21("2","1","6","5","1","6","7","1") = "6"
    & skf21("2","1","6","5","1","7","1","1") = "6"
    & skf21("2","1","6","5","1","7","2","1") = "6"
    & skf21("2","1","6","5","1","7","3","1") = "6"
    & skf21("2","1","6","5","1","7","4","1") = "6"
    & skf21("2","1","6","5","1","7","5","1") = "6"
    & skf21("2","1","6","5","1","7","6","1") = "6"
    & skf21("2","1","6","5","1","7","7","1") = "6"
    & skf21("2","1","6","5","2","1","1","1") = "5"
    & skf21("2","1","6","5","2","1","2","1") = "5"
    & skf21("2","1","6","5","2","1","3","1") = "5"
    & skf21("2","1","6","5","2","1","4","1") = "5"
    & skf21("2","1","6","5","2","1","5","1") = "5"
    & skf21("2","1","6","5","2","1","6","1") = "5"
    & skf21("2","1","6","5","2","1","7","1") = "6"
    & skf21("2","1","6","5","2","2","1","1") = "5"
    & skf21("2","1","6","5","2","2","2","1") = "5"
    & skf21("2","1","6","5","2","2","3","1") = "5"
    & skf21("2","1","6","5","2","2","4","1") = "5"
    & skf21("2","1","6","5","2","2","5","1") = "5"
    & skf21("2","1","6","5","2","2","6","1") = "5"
    & skf21("2","1","6","5","2","2","7","1") = "6"
    & skf21("2","1","6","5","2","3","1","1") = "5"
    & skf21("2","1","6","5","2","3","2","1") = "5"
    & skf21("2","1","6","5","2","3","3","1") = "5"
    & skf21("2","1","6","5","2","3","4","1") = "5"
    & skf21("2","1","6","5","2","3","5","1") = "5"
    & skf21("2","1","6","5","2","3","6","1") = "5"
    & skf21("2","1","6","5","2","3","7","1") = "6"
    & skf21("2","1","6","5","2","4","1","1") = "5"
    & skf21("2","1","6","5","2","4","2","1") = "5"
    & skf21("2","1","6","5","2","4","3","1") = "5"
    & skf21("2","1","6","5","2","4","4","1") = "5"
    & skf21("2","1","6","5","2","4","5","1") = "5"
    & skf21("2","1","6","5","2","4","6","1") = "5"
    & skf21("2","1","6","5","2","4","7","1") = "6"
    & skf21("2","1","6","5","2","5","1","1") = "5"
    & skf21("2","1","6","5","2","5","2","1") = "5"
    & skf21("2","1","6","5","2","5","3","1") = "5"
    & skf21("2","1","6","5","2","5","4","1") = "5"
    & skf21("2","1","6","5","2","5","5","1") = "5"
    & skf21("2","1","6","5","2","5","6","1") = "5"
    & skf21("2","1","6","5","2","5","7","1") = "6"
    & skf21("2","1","6","5","2","6","1","1") = "5"
    & skf21("2","1","6","5","2","6","2","1") = "5"
    & skf21("2","1","6","5","2","6","3","1") = "5"
    & skf21("2","1","6","5","2","6","4","1") = "5"
    & skf21("2","1","6","5","2","6","5","1") = "5"
    & skf21("2","1","6","5","2","6","6","1") = "5"
    & skf21("2","1","6","5","2","6","7","1") = "6"
    & skf21("2","1","6","5","2","7","1","1") = "6"
    & skf21("2","1","6","5","2","7","2","1") = "6"
    & skf21("2","1","6","5","2","7","3","1") = "6"
    & skf21("2","1","6","5","2","7","4","1") = "6"
    & skf21("2","1","6","5","2","7","5","1") = "6"
    & skf21("2","1","6","5","2","7","6","1") = "6"
    & skf21("2","1","6","5","2","7","7","1") = "6"
    & skf21("2","1","6","5","3","1","1","1") = "5"
    & skf21("2","1","6","5","3","1","2","1") = "5"
    & skf21("2","1","6","5","3","1","3","1") = "5"
    & skf21("2","1","6","5","3","1","4","1") = "5"
    & skf21("2","1","6","5","3","1","5","1") = "5"
    & skf21("2","1","6","5","3","1","6","1") = "5"
    & skf21("2","1","6","5","3","1","7","1") = "6"
    & skf21("2","1","6","5","3","2","1","1") = "5"
    & skf21("2","1","6","5","3","2","2","1") = "5"
    & skf21("2","1","6","5","3","2","3","1") = "5"
    & skf21("2","1","6","5","3","2","4","1") = "5"
    & skf21("2","1","6","5","3","2","5","1") = "5"
    & skf21("2","1","6","5","3","2","6","1") = "5"
    & skf21("2","1","6","5","3","2","7","1") = "6"
    & skf21("2","1","6","5","3","3","1","1") = "5"
    & skf21("2","1","6","5","3","3","2","1") = "5"
    & skf21("2","1","6","5","3","3","3","1") = "5"
    & skf21("2","1","6","5","3","3","4","1") = "5"
    & skf21("2","1","6","5","3","3","5","1") = "5"
    & skf21("2","1","6","5","3","3","6","1") = "5"
    & skf21("2","1","6","5","3","3","7","1") = "6"
    & skf21("2","1","6","5","3","4","1","1") = "5"
    & skf21("2","1","6","5","3","4","2","1") = "5"
    & skf21("2","1","6","5","3","4","3","1") = "5"
    & skf21("2","1","6","5","3","4","4","1") = "5"
    & skf21("2","1","6","5","3","4","5","1") = "5"
    & skf21("2","1","6","5","3","4","6","1") = "5"
    & skf21("2","1","6","5","3","4","7","1") = "6"
    & skf21("2","1","6","5","3","5","1","1") = "5"
    & skf21("2","1","6","5","3","5","2","1") = "5"
    & skf21("2","1","6","5","3","5","3","1") = "5"
    & skf21("2","1","6","5","3","5","4","1") = "5"
    & skf21("2","1","6","5","3","5","5","1") = "5"
    & skf21("2","1","6","5","3","5","6","1") = "5"
    & skf21("2","1","6","5","3","5","7","1") = "6"
    & skf21("2","1","6","5","3","6","1","1") = "5"
    & skf21("2","1","6","5","3","6","2","1") = "5"
    & skf21("2","1","6","5","3","6","3","1") = "5"
    & skf21("2","1","6","5","3","6","4","1") = "5"
    & skf21("2","1","6","5","3","6","5","1") = "5"
    & skf21("2","1","6","5","3","6","6","1") = "5"
    & skf21("2","1","6","5","3","6","7","1") = "6"
    & skf21("2","1","6","5","3","7","1","1") = "6"
    & skf21("2","1","6","5","3","7","2","1") = "6"
    & skf21("2","1","6","5","3","7","3","1") = "6"
    & skf21("2","1","6","5","3","7","4","1") = "6"
    & skf21("2","1","6","5","3","7","5","1") = "6"
    & skf21("2","1","6","5","3","7","6","1") = "6"
    & skf21("2","1","6","5","3","7","7","1") = "6"
    & skf21("2","1","6","5","4","1","1","1") = "5"
    & skf21("2","1","6","5","4","1","2","1") = "5"
    & skf21("2","1","6","5","4","1","3","1") = "5"
    & skf21("2","1","6","5","4","1","4","1") = "5"
    & skf21("2","1","6","5","4","1","5","1") = "5"
    & skf21("2","1","6","5","4","1","6","1") = "5"
    & skf21("2","1","6","5","4","1","7","1") = "6"
    & skf21("2","1","6","5","4","2","1","1") = "5"
    & skf21("2","1","6","5","4","2","2","1") = "5"
    & skf21("2","1","6","5","4","2","3","1") = "5"
    & skf21("2","1","6","5","4","2","4","1") = "5"
    & skf21("2","1","6","5","4","2","5","1") = "5"
    & skf21("2","1","6","5","4","2","6","1") = "5"
    & skf21("2","1","6","5","4","2","7","1") = "6"
    & skf21("2","1","6","5","4","3","1","1") = "5"
    & skf21("2","1","6","5","4","3","2","1") = "5"
    & skf21("2","1","6","5","4","3","3","1") = "5"
    & skf21("2","1","6","5","4","3","4","1") = "5"
    & skf21("2","1","6","5","4","3","5","1") = "5"
    & skf21("2","1","6","5","4","3","6","1") = "5"
    & skf21("2","1","6","5","4","3","7","1") = "6"
    & skf21("2","1","6","5","4","4","1","1") = "5"
    & skf21("2","1","6","5","4","4","2","1") = "5"
    & skf21("2","1","6","5","4","4","3","1") = "5"
    & skf21("2","1","6","5","4","4","4","1") = "5"
    & skf21("2","1","6","5","4","4","5","1") = "5"
    & skf21("2","1","6","5","4","4","6","1") = "5"
    & skf21("2","1","6","5","4","4","7","1") = "6"
    & skf21("2","1","6","5","4","5","1","1") = "5"
    & skf21("2","1","6","5","4","5","2","1") = "5"
    & skf21("2","1","6","5","4","5","3","1") = "5"
    & skf21("2","1","6","5","4","5","4","1") = "5"
    & skf21("2","1","6","5","4","5","5","1") = "5"
    & skf21("2","1","6","5","4","5","6","1") = "5"
    & skf21("2","1","6","5","4","5","7","1") = "6"
    & skf21("2","1","6","5","4","6","1","1") = "5"
    & skf21("2","1","6","5","4","6","2","1") = "5"
    & skf21("2","1","6","5","4","6","3","1") = "5"
    & skf21("2","1","6","5","4","6","4","1") = "5"
    & skf21("2","1","6","5","4","6","5","1") = "5"
    & skf21("2","1","6","5","4","6","6","1") = "5"
    & skf21("2","1","6","5","4","6","7","1") = "6"
    & skf21("2","1","6","5","4","7","1","1") = "6"
    & skf21("2","1","6","5","4","7","2","1") = "6"
    & skf21("2","1","6","5","4","7","3","1") = "6"
    & skf21("2","1","6","5","4","7","4","1") = "6"
    & skf21("2","1","6","5","4","7","5","1") = "6"
    & skf21("2","1","6","5","4","7","6","1") = "6"
    & skf21("2","1","6","5","4","7","7","1") = "6"
    & skf21("2","1","6","5","5","1","1","1") = "5"
    & skf21("2","1","6","5","5","1","2","1") = "5"
    & skf21("2","1","6","5","5","1","3","1") = "5"
    & skf21("2","1","6","5","5","1","4","1") = "5"
    & skf21("2","1","6","5","5","1","5","1") = "5"
    & skf21("2","1","6","5","5","1","6","1") = "5"
    & skf21("2","1","6","5","5","1","7","1") = "6"
    & skf21("2","1","6","5","5","2","1","1") = "5"
    & skf21("2","1","6","5","5","2","2","1") = "5"
    & skf21("2","1","6","5","5","2","3","1") = "5"
    & skf21("2","1","6","5","5","2","4","1") = "5"
    & skf21("2","1","6","5","5","2","5","1") = "5"
    & skf21("2","1","6","5","5","2","6","1") = "5"
    & skf21("2","1","6","5","5","2","7","1") = "6"
    & skf21("2","1","6","5","5","3","1","1") = "5"
    & skf21("2","1","6","5","5","3","2","1") = "5"
    & skf21("2","1","6","5","5","3","3","1") = "5"
    & skf21("2","1","6","5","5","3","4","1") = "5"
    & skf21("2","1","6","5","5","3","5","1") = "5"
    & skf21("2","1","6","5","5","3","6","1") = "5"
    & skf21("2","1","6","5","5","3","7","1") = "6"
    & skf21("2","1","6","5","5","4","1","1") = "5"
    & skf21("2","1","6","5","5","4","2","1") = "5"
    & skf21("2","1","6","5","5","4","3","1") = "5"
    & skf21("2","1","6","5","5","4","4","1") = "5"
    & skf21("2","1","6","5","5","4","5","1") = "5"
    & skf21("2","1","6","5","5","4","6","1") = "5"
    & skf21("2","1","6","5","5","4","7","1") = "6"
    & skf21("2","1","6","5","5","5","1","1") = "5"
    & skf21("2","1","6","5","5","5","2","1") = "5"
    & skf21("2","1","6","5","5","5","3","1") = "5"
    & skf21("2","1","6","5","5","5","4","1") = "5"
    & skf21("2","1","6","5","5","5","5","1") = "5"
    & skf21("2","1","6","5","5","5","6","1") = "5"
    & skf21("2","1","6","5","5","5","7","1") = "6"
    & skf21("2","1","6","5","5","6","1","1") = "5"
    & skf21("2","1","6","5","5","6","2","1") = "5"
    & skf21("2","1","6","5","5","6","3","1") = "5"
    & skf21("2","1","6","5","5","6","4","1") = "5"
    & skf21("2","1","6","5","5","6","5","1") = "5"
    & skf21("2","1","6","5","5","6","6","1") = "5"
    & skf21("2","1","6","5","5","6","7","1") = "6"
    & skf21("2","1","6","5","5","7","1","1") = "6"
    & skf21("2","1","6","5","5","7","2","1") = "6"
    & skf21("2","1","6","5","5","7","3","1") = "6"
    & skf21("2","1","6","5","5","7","4","1") = "6"
    & skf21("2","1","6","5","5","7","5","1") = "6"
    & skf21("2","1","6","5","5","7","6","1") = "6"
    & skf21("2","1","6","5","5","7","7","1") = "6"
    & skf21("2","1","6","5","6","1","1","1") = "5"
    & skf21("2","1","6","5","6","1","2","1") = "5"
    & skf21("2","1","6","5","6","1","3","1") = "5"
    & skf21("2","1","6","5","6","1","4","1") = "5"
    & skf21("2","1","6","5","6","1","5","1") = "5"
    & skf21("2","1","6","5","6","1","6","1") = "5"
    & skf21("2","1","6","5","6","1","7","1") = "6"
    & skf21("2","1","6","5","6","2","1","1") = "5"
    & skf21("2","1","6","5","6","2","2","1") = "5"
    & skf21("2","1","6","5","6","2","3","1") = "5"
    & skf21("2","1","6","5","6","2","4","1") = "5"
    & skf21("2","1","6","5","6","2","5","1") = "5"
    & skf21("2","1","6","5","6","2","6","1") = "5"
    & skf21("2","1","6","5","6","2","7","1") = "6"
    & skf21("2","1","6","5","6","3","1","1") = "5"
    & skf21("2","1","6","5","6","3","2","1") = "5"
    & skf21("2","1","6","5","6","3","3","1") = "5"
    & skf21("2","1","6","5","6","3","4","1") = "5"
    & skf21("2","1","6","5","6","3","5","1") = "5"
    & skf21("2","1","6","5","6","3","6","1") = "5"
    & skf21("2","1","6","5","6","3","7","1") = "6"
    & skf21("2","1","6","5","6","4","1","1") = "5"
    & skf21("2","1","6","5","6","4","2","1") = "5"
    & skf21("2","1","6","5","6","4","3","1") = "5"
    & skf21("2","1","6","5","6","4","4","1") = "5"
    & skf21("2","1","6","5","6","4","5","1") = "5"
    & skf21("2","1","6","5","6","4","6","1") = "5"
    & skf21("2","1","6","5","6","4","7","1") = "6"
    & skf21("2","1","6","5","6","5","1","1") = "5"
    & skf21("2","1","6","5","6","5","2","1") = "5"
    & skf21("2","1","6","5","6","5","3","1") = "5"
    & skf21("2","1","6","5","6","5","4","1") = "5"
    & skf21("2","1","6","5","6","5","5","1") = "5"
    & skf21("2","1","6","5","6","5","6","1") = "5"
    & skf21("2","1","6","5","6","5","7","1") = "6"
    & skf21("2","1","6","5","6","6","1","1") = "5"
    & skf21("2","1","6","5","6","6","2","1") = "5"
    & skf21("2","1","6","5","6","6","3","1") = "5"
    & skf21("2","1","6","5","6","6","4","1") = "5"
    & skf21("2","1","6","5","6","6","5","1") = "5"
    & skf21("2","1","6","5","6","6","6","1") = "5"
    & skf21("2","1","6","5","6","6","7","1") = "6"
    & skf21("2","1","6","5","6","7","1","1") = "6"
    & skf21("2","1","6","5","6","7","2","1") = "6"
    & skf21("2","1","6","5","6","7","3","1") = "6"
    & skf21("2","1","6","5","6","7","4","1") = "6"
    & skf21("2","1","6","5","6","7","5","1") = "6"
    & skf21("2","1","6","5","6","7","6","1") = "6"
    & skf21("2","1","6","5","6","7","7","1") = "6"
    & skf21("2","1","6","5","7","1","1","1") = "6"
    & skf21("2","1","6","5","7","1","2","1") = "6"
    & skf21("2","1","6","5","7","1","3","1") = "6"
    & skf21("2","1","6","5","7","1","4","1") = "6"
    & skf21("2","1","6","5","7","1","5","1") = "6"
    & skf21("2","1","6","5","7","1","6","1") = "6"
    & skf21("2","1","6","5","7","1","7","1") = "6"
    & skf21("2","1","6","5","7","2","1","1") = "6"
    & skf21("2","1","6","5","7","2","2","1") = "6"
    & skf21("2","1","6","5","7","2","3","1") = "6"
    & skf21("2","1","6","5","7","2","4","1") = "6"
    & skf21("2","1","6","5","7","2","5","1") = "6"
    & skf21("2","1","6","5","7","2","6","1") = "6"
    & skf21("2","1","6","5","7","2","7","1") = "6"
    & skf21("2","1","6","5","7","3","1","1") = "6"
    & skf21("2","1","6","5","7","3","2","1") = "6"
    & skf21("2","1","6","5","7","3","3","1") = "6"
    & skf21("2","1","6","5","7","3","4","1") = "6"
    & skf21("2","1","6","5","7","3","5","1") = "6"
    & skf21("2","1","6","5","7","3","6","1") = "6"
    & skf21("2","1","6","5","7","3","7","1") = "6"
    & skf21("2","1","6","5","7","4","1","1") = "6"
    & skf21("2","1","6","5","7","4","2","1") = "6"
    & skf21("2","1","6","5","7","4","3","1") = "6"
    & skf21("2","1","6","5","7","4","4","1") = "6"
    & skf21("2","1","6","5","7","4","5","1") = "6"
    & skf21("2","1","6","5","7","4","6","1") = "6"
    & skf21("2","1","6","5","7","4","7","1") = "6"
    & skf21("2","1","6","5","7","5","1","1") = "6"
    & skf21("2","1","6","5","7","5","2","1") = "6"
    & skf21("2","1","6","5","7","5","3","1") = "6"
    & skf21("2","1","6","5","7","5","4","1") = "6"
    & skf21("2","1","6","5","7","5","5","1") = "6"
    & skf21("2","1","6","5","7","5","6","1") = "6"
    & skf21("2","1","6","5","7","5","7","1") = "6"
    & skf21("2","1","6","5","7","6","1","1") = "6"
    & skf21("2","1","6","5","7","6","2","1") = "6"
    & skf21("2","1","6","5","7","6","3","1") = "6"
    & skf21("2","1","6","5","7","6","4","1") = "6"
    & skf21("2","1","6","5","7","6","5","1") = "6"
    & skf21("2","1","6","5","7","6","6","1") = "6"
    & skf21("2","1","6","5","7","6","7","1") = "6"
    & skf21("2","1","6","5","7","7","1","1") = "6"
    & skf21("2","1","6","5","7","7","2","1") = "6"
    & skf21("2","1","6","5","7","7","3","1") = "6"
    & skf21("2","1","6","5","7","7","4","1") = "6"
    & skf21("2","1","6","5","7","7","5","1") = "6"
    & skf21("2","1","6","5","7","7","6","1") = "6"
    & skf21("2","1","6","5","7","7","7","1") = "6"
    & skf21("2","1","6","6","1","1","1","1") = "5"
    & skf21("2","1","6","6","1","1","2","1") = "5"
    & skf21("2","1","6","6","1","1","3","1") = "5"
    & skf21("2","1","6","6","1","1","4","1") = "5"
    & skf21("2","1","6","6","1","1","5","1") = "5"
    & skf21("2","1","6","6","1","1","6","1") = "5"
    & skf21("2","1","6","6","1","1","7","1") = "6"
    & skf21("2","1","6","6","1","2","1","1") = "5"
    & skf21("2","1","6","6","1","2","2","1") = "5"
    & skf21("2","1","6","6","1","2","3","1") = "5"
    & skf21("2","1","6","6","1","2","4","1") = "5"
    & skf21("2","1","6","6","1","2","5","1") = "5"
    & skf21("2","1","6","6","1","2","6","1") = "5"
    & skf21("2","1","6","6","1","2","7","1") = "6"
    & skf21("2","1","6","6","1","3","1","1") = "5"
    & skf21("2","1","6","6","1","3","2","1") = "5"
    & skf21("2","1","6","6","1","3","3","1") = "5"
    & skf21("2","1","6","6","1","3","4","1") = "5"
    & skf21("2","1","6","6","1","3","5","1") = "5"
    & skf21("2","1","6","6","1","3","6","1") = "5"
    & skf21("2","1","6","6","1","3","7","1") = "6"
    & skf21("2","1","6","6","1","4","1","1") = "5"
    & skf21("2","1","6","6","1","4","2","1") = "5"
    & skf21("2","1","6","6","1","4","3","1") = "5"
    & skf21("2","1","6","6","1","4","4","1") = "5"
    & skf21("2","1","6","6","1","4","5","1") = "5"
    & skf21("2","1","6","6","1","4","6","1") = "5"
    & skf21("2","1","6","6","1","4","7","1") = "6"
    & skf21("2","1","6","6","1","5","1","1") = "5"
    & skf21("2","1","6","6","1","5","2","1") = "5"
    & skf21("2","1","6","6","1","5","3","1") = "5"
    & skf21("2","1","6","6","1","5","4","1") = "5"
    & skf21("2","1","6","6","1","5","5","1") = "5"
    & skf21("2","1","6","6","1","5","6","1") = "5"
    & skf21("2","1","6","6","1","5","7","1") = "6"
    & skf21("2","1","6","6","1","6","1","1") = "5"
    & skf21("2","1","6","6","1","6","2","1") = "5"
    & skf21("2","1","6","6","1","6","3","1") = "5"
    & skf21("2","1","6","6","1","6","4","1") = "5"
    & skf21("2","1","6","6","1","6","5","1") = "5"
    & skf21("2","1","6","6","1","6","6","1") = "5"
    & skf21("2","1","6","6","1","6","7","1") = "6"
    & skf21("2","1","6","6","1","7","1","1") = "6"
    & skf21("2","1","6","6","1","7","2","1") = "6"
    & skf21("2","1","6","6","1","7","3","1") = "6"
    & skf21("2","1","6","6","1","7","4","1") = "6"
    & skf21("2","1","6","6","1","7","5","1") = "6"
    & skf21("2","1","6","6","1","7","6","1") = "6"
    & skf21("2","1","6","6","1","7","7","1") = "6"
    & skf21("2","1","6","6","2","1","1","1") = "5"
    & skf21("2","1","6","6","2","1","2","1") = "5"
    & skf21("2","1","6","6","2","1","3","1") = "5"
    & skf21("2","1","6","6","2","1","4","1") = "5"
    & skf21("2","1","6","6","2","1","5","1") = "5"
    & skf21("2","1","6","6","2","1","6","1") = "5"
    & skf21("2","1","6","6","2","1","7","1") = "6"
    & skf21("2","1","6","6","2","2","1","1") = "5"
    & skf21("2","1","6","6","2","2","2","1") = "5"
    & skf21("2","1","6","6","2","2","3","1") = "5"
    & skf21("2","1","6","6","2","2","4","1") = "5"
    & skf21("2","1","6","6","2","2","5","1") = "5"
    & skf21("2","1","6","6","2","2","6","1") = "5"
    & skf21("2","1","6","6","2","2","7","1") = "6"
    & skf21("2","1","6","6","2","3","1","1") = "5"
    & skf21("2","1","6","6","2","3","2","1") = "5"
    & skf21("2","1","6","6","2","3","3","1") = "5"
    & skf21("2","1","6","6","2","3","4","1") = "5"
    & skf21("2","1","6","6","2","3","5","1") = "5"
    & skf21("2","1","6","6","2","3","6","1") = "5"
    & skf21("2","1","6","6","2","3","7","1") = "6"
    & skf21("2","1","6","6","2","4","1","1") = "5"
    & skf21("2","1","6","6","2","4","2","1") = "5"
    & skf21("2","1","6","6","2","4","3","1") = "5"
    & skf21("2","1","6","6","2","4","4","1") = "5"
    & skf21("2","1","6","6","2","4","5","1") = "5"
    & skf21("2","1","6","6","2","4","6","1") = "5"
    & skf21("2","1","6","6","2","4","7","1") = "6"
    & skf21("2","1","6","6","2","5","1","1") = "5"
    & skf21("2","1","6","6","2","5","2","1") = "5"
    & skf21("2","1","6","6","2","5","3","1") = "5"
    & skf21("2","1","6","6","2","5","4","1") = "5"
    & skf21("2","1","6","6","2","5","5","1") = "5"
    & skf21("2","1","6","6","2","5","6","1") = "5"
    & skf21("2","1","6","6","2","5","7","1") = "6"
    & skf21("2","1","6","6","2","6","1","1") = "5"
    & skf21("2","1","6","6","2","6","2","1") = "5"
    & skf21("2","1","6","6","2","6","3","1") = "5"
    & skf21("2","1","6","6","2","6","4","1") = "5"
    & skf21("2","1","6","6","2","6","5","1") = "5"
    & skf21("2","1","6","6","2","6","6","1") = "5"
    & skf21("2","1","6","6","2","6","7","1") = "6"
    & skf21("2","1","6","6","2","7","1","1") = "6"
    & skf21("2","1","6","6","2","7","2","1") = "6"
    & skf21("2","1","6","6","2","7","3","1") = "6"
    & skf21("2","1","6","6","2","7","4","1") = "6"
    & skf21("2","1","6","6","2","7","5","1") = "6"
    & skf21("2","1","6","6","2","7","6","1") = "6"
    & skf21("2","1","6","6","2","7","7","1") = "6"
    & skf21("2","1","6","6","3","1","1","1") = "5"
    & skf21("2","1","6","6","3","1","2","1") = "5"
    & skf21("2","1","6","6","3","1","3","1") = "5"
    & skf21("2","1","6","6","3","1","4","1") = "5"
    & skf21("2","1","6","6","3","1","5","1") = "5"
    & skf21("2","1","6","6","3","1","6","1") = "5"
    & skf21("2","1","6","6","3","1","7","1") = "6"
    & skf21("2","1","6","6","3","2","1","1") = "5"
    & skf21("2","1","6","6","3","2","2","1") = "5"
    & skf21("2","1","6","6","3","2","3","1") = "5"
    & skf21("2","1","6","6","3","2","4","1") = "5"
    & skf21("2","1","6","6","3","2","5","1") = "5"
    & skf21("2","1","6","6","3","2","6","1") = "5"
    & skf21("2","1","6","6","3","2","7","1") = "6"
    & skf21("2","1","6","6","3","3","1","1") = "5"
    & skf21("2","1","6","6","3","3","2","1") = "5"
    & skf21("2","1","6","6","3","3","3","1") = "5"
    & skf21("2","1","6","6","3","3","4","1") = "5"
    & skf21("2","1","6","6","3","3","5","1") = "5"
    & skf21("2","1","6","6","3","3","6","1") = "5"
    & skf21("2","1","6","6","3","3","7","1") = "6"
    & skf21("2","1","6","6","3","4","1","1") = "5"
    & skf21("2","1","6","6","3","4","2","1") = "5"
    & skf21("2","1","6","6","3","4","3","1") = "5"
    & skf21("2","1","6","6","3","4","4","1") = "5"
    & skf21("2","1","6","6","3","4","5","1") = "5"
    & skf21("2","1","6","6","3","4","6","1") = "5"
    & skf21("2","1","6","6","3","4","7","1") = "6"
    & skf21("2","1","6","6","3","5","1","1") = "5"
    & skf21("2","1","6","6","3","5","2","1") = "5"
    & skf21("2","1","6","6","3","5","3","1") = "5"
    & skf21("2","1","6","6","3","5","4","1") = "5"
    & skf21("2","1","6","6","3","5","5","1") = "5"
    & skf21("2","1","6","6","3","5","6","1") = "5"
    & skf21("2","1","6","6","3","5","7","1") = "6"
    & skf21("2","1","6","6","3","6","1","1") = "5"
    & skf21("2","1","6","6","3","6","2","1") = "5"
    & skf21("2","1","6","6","3","6","3","1") = "5"
    & skf21("2","1","6","6","3","6","4","1") = "5"
    & skf21("2","1","6","6","3","6","5","1") = "5"
    & skf21("2","1","6","6","3","6","6","1") = "5"
    & skf21("2","1","6","6","3","6","7","1") = "6"
    & skf21("2","1","6","6","3","7","1","1") = "6"
    & skf21("2","1","6","6","3","7","2","1") = "6"
    & skf21("2","1","6","6","3","7","3","1") = "6"
    & skf21("2","1","6","6","3","7","4","1") = "6"
    & skf21("2","1","6","6","3","7","5","1") = "6"
    & skf21("2","1","6","6","3","7","6","1") = "6"
    & skf21("2","1","6","6","3","7","7","1") = "6"
    & skf21("2","1","6","6","4","1","1","1") = "5"
    & skf21("2","1","6","6","4","1","2","1") = "5"
    & skf21("2","1","6","6","4","1","3","1") = "5"
    & skf21("2","1","6","6","4","1","4","1") = "5"
    & skf21("2","1","6","6","4","1","5","1") = "5"
    & skf21("2","1","6","6","4","1","6","1") = "5"
    & skf21("2","1","6","6","4","1","7","1") = "6"
    & skf21("2","1","6","6","4","2","1","1") = "5"
    & skf21("2","1","6","6","4","2","2","1") = "5"
    & skf21("2","1","6","6","4","2","3","1") = "5"
    & skf21("2","1","6","6","4","2","4","1") = "5"
    & skf21("2","1","6","6","4","2","5","1") = "5"
    & skf21("2","1","6","6","4","2","6","1") = "5"
    & skf21("2","1","6","6","4","2","7","1") = "6"
    & skf21("2","1","6","6","4","3","1","1") = "5"
    & skf21("2","1","6","6","4","3","2","1") = "5"
    & skf21("2","1","6","6","4","3","3","1") = "5"
    & skf21("2","1","6","6","4","3","4","1") = "5"
    & skf21("2","1","6","6","4","3","5","1") = "5"
    & skf21("2","1","6","6","4","3","6","1") = "5"
    & skf21("2","1","6","6","4","3","7","1") = "6"
    & skf21("2","1","6","6","4","4","1","1") = "5"
    & skf21("2","1","6","6","4","4","2","1") = "5"
    & skf21("2","1","6","6","4","4","3","1") = "5"
    & skf21("2","1","6","6","4","4","4","1") = "5"
    & skf21("2","1","6","6","4","4","5","1") = "5"
    & skf21("2","1","6","6","4","4","6","1") = "5"
    & skf21("2","1","6","6","4","4","7","1") = "6"
    & skf21("2","1","6","6","4","5","1","1") = "5"
    & skf21("2","1","6","6","4","5","2","1") = "5"
    & skf21("2","1","6","6","4","5","3","1") = "5"
    & skf21("2","1","6","6","4","5","4","1") = "5"
    & skf21("2","1","6","6","4","5","5","1") = "5"
    & skf21("2","1","6","6","4","5","6","1") = "5"
    & skf21("2","1","6","6","4","5","7","1") = "6"
    & skf21("2","1","6","6","4","6","1","1") = "5"
    & skf21("2","1","6","6","4","6","2","1") = "5"
    & skf21("2","1","6","6","4","6","3","1") = "5"
    & skf21("2","1","6","6","4","6","4","1") = "5"
    & skf21("2","1","6","6","4","6","5","1") = "5"
    & skf21("2","1","6","6","4","6","6","1") = "5"
    & skf21("2","1","6","6","4","6","7","1") = "6"
    & skf21("2","1","6","6","4","7","1","1") = "6"
    & skf21("2","1","6","6","4","7","2","1") = "6"
    & skf21("2","1","6","6","4","7","3","1") = "6"
    & skf21("2","1","6","6","4","7","4","1") = "6"
    & skf21("2","1","6","6","4","7","5","1") = "6"
    & skf21("2","1","6","6","4","7","6","1") = "6"
    & skf21("2","1","6","6","4","7","7","1") = "6"
    & skf21("2","1","6","6","5","1","1","1") = "5"
    & skf21("2","1","6","6","5","1","2","1") = "5"
    & skf21("2","1","6","6","5","1","3","1") = "5"
    & skf21("2","1","6","6","5","1","4","1") = "5"
    & skf21("2","1","6","6","5","1","5","1") = "5"
    & skf21("2","1","6","6","5","1","6","1") = "5"
    & skf21("2","1","6","6","5","1","7","1") = "6"
    & skf21("2","1","6","6","5","2","1","1") = "5"
    & skf21("2","1","6","6","5","2","2","1") = "5"
    & skf21("2","1","6","6","5","2","3","1") = "5"
    & skf21("2","1","6","6","5","2","4","1") = "5"
    & skf21("2","1","6","6","5","2","5","1") = "5"
    & skf21("2","1","6","6","5","2","6","1") = "5"
    & skf21("2","1","6","6","5","2","7","1") = "6"
    & skf21("2","1","6","6","5","3","1","1") = "5"
    & skf21("2","1","6","6","5","3","2","1") = "5"
    & skf21("2","1","6","6","5","3","3","1") = "5"
    & skf21("2","1","6","6","5","3","4","1") = "5"
    & skf21("2","1","6","6","5","3","5","1") = "5"
    & skf21("2","1","6","6","5","3","6","1") = "5"
    & skf21("2","1","6","6","5","3","7","1") = "6"
    & skf21("2","1","6","6","5","4","1","1") = "5"
    & skf21("2","1","6","6","5","4","2","1") = "5"
    & skf21("2","1","6","6","5","4","3","1") = "5"
    & skf21("2","1","6","6","5","4","4","1") = "5"
    & skf21("2","1","6","6","5","4","5","1") = "5"
    & skf21("2","1","6","6","5","4","6","1") = "5"
    & skf21("2","1","6","6","5","4","7","1") = "6"
    & skf21("2","1","6","6","5","5","1","1") = "5"
    & skf21("2","1","6","6","5","5","2","1") = "5"
    & skf21("2","1","6","6","5","5","3","1") = "5"
    & skf21("2","1","6","6","5","5","4","1") = "5"
    & skf21("2","1","6","6","5","5","5","1") = "5"
    & skf21("2","1","6","6","5","5","6","1") = "5"
    & skf21("2","1","6","6","5","5","7","1") = "6"
    & skf21("2","1","6","6","5","6","1","1") = "5"
    & skf21("2","1","6","6","5","6","2","1") = "5"
    & skf21("2","1","6","6","5","6","3","1") = "5"
    & skf21("2","1","6","6","5","6","4","1") = "5"
    & skf21("2","1","6","6","5","6","5","1") = "5"
    & skf21("2","1","6","6","5","6","6","1") = "5"
    & skf21("2","1","6","6","5","6","7","1") = "6"
    & skf21("2","1","6","6","5","7","1","1") = "6"
    & skf21("2","1","6","6","5","7","2","1") = "6"
    & skf21("2","1","6","6","5","7","3","1") = "6"
    & skf21("2","1","6","6","5","7","4","1") = "6"
    & skf21("2","1","6","6","5","7","5","1") = "6"
    & skf21("2","1","6","6","5","7","6","1") = "6"
    & skf21("2","1","6","6","5","7","7","1") = "6"
    & skf21("2","1","6","6","6","1","1","1") = "5"
    & skf21("2","1","6","6","6","1","2","1") = "5"
    & skf21("2","1","6","6","6","1","3","1") = "5"
    & skf21("2","1","6","6","6","1","4","1") = "5"
    & skf21("2","1","6","6","6","1","5","1") = "5"
    & skf21("2","1","6","6","6","1","6","1") = "5"
    & skf21("2","1","6","6","6","1","7","1") = "6"
    & skf21("2","1","6","6","6","2","1","1") = "5"
    & skf21("2","1","6","6","6","2","2","1") = "5"
    & skf21("2","1","6","6","6","2","3","1") = "5"
    & skf21("2","1","6","6","6","2","4","1") = "5"
    & skf21("2","1","6","6","6","2","5","1") = "5"
    & skf21("2","1","6","6","6","2","6","1") = "5"
    & skf21("2","1","6","6","6","2","7","1") = "6"
    & skf21("2","1","6","6","6","3","1","1") = "5"
    & skf21("2","1","6","6","6","3","2","1") = "5"
    & skf21("2","1","6","6","6","3","3","1") = "5"
    & skf21("2","1","6","6","6","3","4","1") = "5"
    & skf21("2","1","6","6","6","3","5","1") = "5"
    & skf21("2","1","6","6","6","3","6","1") = "5"
    & skf21("2","1","6","6","6","3","7","1") = "6"
    & skf21("2","1","6","6","6","4","1","1") = "5"
    & skf21("2","1","6","6","6","4","2","1") = "5"
    & skf21("2","1","6","6","6","4","3","1") = "5"
    & skf21("2","1","6","6","6","4","4","1") = "5"
    & skf21("2","1","6","6","6","4","5","1") = "5"
    & skf21("2","1","6","6","6","4","6","1") = "5"
    & skf21("2","1","6","6","6","4","7","1") = "6"
    & skf21("2","1","6","6","6","5","1","1") = "5"
    & skf21("2","1","6","6","6","5","2","1") = "5"
    & skf21("2","1","6","6","6","5","3","1") = "5"
    & skf21("2","1","6","6","6","5","4","1") = "5"
    & skf21("2","1","6","6","6","5","5","1") = "5"
    & skf21("2","1","6","6","6","5","6","1") = "5"
    & skf21("2","1","6","6","6","5","7","1") = "6"
    & skf21("2","1","6","6","6","6","1","1") = "5"
    & skf21("2","1","6","6","6","6","2","1") = "5"
    & skf21("2","1","6","6","6","6","3","1") = "5"
    & skf21("2","1","6","6","6","6","4","1") = "5"
    & skf21("2","1","6","6","6","6","5","1") = "5"
    & skf21("2","1","6","6","6","6","6","1") = "5"
    & skf21("2","1","6","6","6","6","7","1") = "6"
    & skf21("2","1","6","6","6","7","1","1") = "6"
    & skf21("2","1","6","6","6","7","2","1") = "6"
    & skf21("2","1","6","6","6","7","3","1") = "6"
    & skf21("2","1","6","6","6","7","4","1") = "6"
    & skf21("2","1","6","6","6","7","5","1") = "6"
    & skf21("2","1","6","6","6","7","6","1") = "6"
    & skf21("2","1","6","6","6","7","7","1") = "6"
    & skf21("2","1","6","6","7","1","1","1") = "6"
    & skf21("2","1","6","6","7","1","2","1") = "6"
    & skf21("2","1","6","6","7","1","3","1") = "6"
    & skf21("2","1","6","6","7","1","4","1") = "6"
    & skf21("2","1","6","6","7","1","5","1") = "6"
    & skf21("2","1","6","6","7","1","6","1") = "6"
    & skf21("2","1","6","6","7","1","7","1") = "6"
    & skf21("2","1","6","6","7","2","1","1") = "6"
    & skf21("2","1","6","6","7","2","2","1") = "6"
    & skf21("2","1","6","6","7","2","3","1") = "6"
    & skf21("2","1","6","6","7","2","4","1") = "6"
    & skf21("2","1","6","6","7","2","5","1") = "6"
    & skf21("2","1","6","6","7","2","6","1") = "6"
    & skf21("2","1","6","6","7","2","7","1") = "6"
    & skf21("2","1","6","6","7","3","1","1") = "6"
    & skf21("2","1","6","6","7","3","2","1") = "6"
    & skf21("2","1","6","6","7","3","3","1") = "6"
    & skf21("2","1","6","6","7","3","4","1") = "6"
    & skf21("2","1","6","6","7","3","5","1") = "6"
    & skf21("2","1","6","6","7","3","6","1") = "6"
    & skf21("2","1","6","6","7","3","7","1") = "6"
    & skf21("2","1","6","6","7","4","1","1") = "6"
    & skf21("2","1","6","6","7","4","2","1") = "6"
    & skf21("2","1","6","6","7","4","3","1") = "6"
    & skf21("2","1","6","6","7","4","4","1") = "6"
    & skf21("2","1","6","6","7","4","5","1") = "6"
    & skf21("2","1","6","6","7","4","6","1") = "6"
    & skf21("2","1","6","6","7","4","7","1") = "6"
    & skf21("2","1","6","6","7","5","1","1") = "6"
    & skf21("2","1","6","6","7","5","2","1") = "6"
    & skf21("2","1","6","6","7","5","3","1") = "6"
    & skf21("2","1","6","6","7","5","4","1") = "6"
    & skf21("2","1","6","6","7","5","5","1") = "6"
    & skf21("2","1","6","6","7","5","6","1") = "6"
    & skf21("2","1","6","6","7","5","7","1") = "6"
    & skf21("2","1","6","6","7","6","1","1") = "6"
    & skf21("2","1","6","6","7","6","2","1") = "6"
    & skf21("2","1","6","6","7","6","3","1") = "6"
    & skf21("2","1","6","6","7","6","4","1") = "6"
    & skf21("2","1","6","6","7","6","5","1") = "6"
    & skf21("2","1","6","6","7","6","6","1") = "6"
    & skf21("2","1","6","6","7","6","7","1") = "6"
    & skf21("2","1","6","6","7","7","1","1") = "6"
    & skf21("2","1","6","6","7","7","2","1") = "6"
    & skf21("2","1","6","6","7","7","3","1") = "6"
    & skf21("2","1","6","6","7","7","4","1") = "6"
    & skf21("2","1","6","6","7","7","5","1") = "6"
    & skf21("2","1","6","6","7","7","6","1") = "6"
    & skf21("2","1","6","6","7","7","7","1") = "6"
    & skf21("2","1","6","7","1","1","1","1") = "6"
    & skf21("2","1","6","7","1","1","2","1") = "6"
    & skf21("2","1","6","7","1","1","3","1") = "6"
    & skf21("2","1","6","7","1","1","4","1") = "6"
    & skf21("2","1","6","7","1","1","5","1") = "6"
    & skf21("2","1","6","7","1","1","6","1") = "6"
    & skf21("2","1","6","7","1","1","7","1") = "6"
    & skf21("2","1","6","7","1","2","1","1") = "6"
    & skf21("2","1","6","7","1","2","2","1") = "6"
    & skf21("2","1","6","7","1","2","3","1") = "6"
    & skf21("2","1","6","7","1","2","4","1") = "6"
    & skf21("2","1","6","7","1","2","5","1") = "6"
    & skf21("2","1","6","7","1","2","6","1") = "6"
    & skf21("2","1","6","7","1","2","7","1") = "6"
    & skf21("2","1","6","7","1","3","1","1") = "6"
    & skf21("2","1","6","7","1","3","2","1") = "6"
    & skf21("2","1","6","7","1","3","3","1") = "6"
    & skf21("2","1","6","7","1","3","4","1") = "6"
    & skf21("2","1","6","7","1","3","5","1") = "6"
    & skf21("2","1","6","7","1","3","6","1") = "6"
    & skf21("2","1","6","7","1","3","7","1") = "6"
    & skf21("2","1","6","7","1","4","1","1") = "6"
    & skf21("2","1","6","7","1","4","2","1") = "6"
    & skf21("2","1","6","7","1","4","3","1") = "6"
    & skf21("2","1","6","7","1","4","4","1") = "6"
    & skf21("2","1","6","7","1","4","5","1") = "6"
    & skf21("2","1","6","7","1","4","6","1") = "6"
    & skf21("2","1","6","7","1","4","7","1") = "6"
    & skf21("2","1","6","7","1","5","1","1") = "6"
    & skf21("2","1","6","7","1","5","2","1") = "6"
    & skf21("2","1","6","7","1","5","3","1") = "6"
    & skf21("2","1","6","7","1","5","4","1") = "6"
    & skf21("2","1","6","7","1","5","5","1") = "6"
    & skf21("2","1","6","7","1","5","6","1") = "6"
    & skf21("2","1","6","7","1","5","7","1") = "6"
    & skf21("2","1","6","7","1","6","1","1") = "6"
    & skf21("2","1","6","7","1","6","2","1") = "6"
    & skf21("2","1","6","7","1","6","3","1") = "6"
    & skf21("2","1","6","7","1","6","4","1") = "6"
    & skf21("2","1","6","7","1","6","5","1") = "6"
    & skf21("2","1","6","7","1","6","6","1") = "6"
    & skf21("2","1","6","7","1","6","7","1") = "6"
    & skf21("2","1","6","7","1","7","1","1") = "6"
    & skf21("2","1","6","7","1","7","2","1") = "6"
    & skf21("2","1","6","7","1","7","3","1") = "6"
    & skf21("2","1","6","7","1","7","4","1") = "6"
    & skf21("2","1","6","7","1","7","5","1") = "6"
    & skf21("2","1","6","7","1","7","6","1") = "6"
    & skf21("2","1","6","7","1","7","7","1") = "6"
    & skf21("2","1","6","7","2","1","1","1") = "6"
    & skf21("2","1","6","7","2","1","2","1") = "6"
    & skf21("2","1","6","7","2","1","3","1") = "6"
    & skf21("2","1","6","7","2","1","4","1") = "6"
    & skf21("2","1","6","7","2","1","5","1") = "6"
    & skf21("2","1","6","7","2","1","6","1") = "6"
    & skf21("2","1","6","7","2","1","7","1") = "6"
    & skf21("2","1","6","7","2","2","1","1") = "6"
    & skf21("2","1","6","7","2","2","2","1") = "6"
    & skf21("2","1","6","7","2","2","3","1") = "6"
    & skf21("2","1","6","7","2","2","4","1") = "6"
    & skf21("2","1","6","7","2","2","5","1") = "6"
    & skf21("2","1","6","7","2","2","6","1") = "6"
    & skf21("2","1","6","7","2","2","7","1") = "6"
    & skf21("2","1","6","7","2","3","1","1") = "6"
    & skf21("2","1","6","7","2","3","2","1") = "6"
    & skf21("2","1","6","7","2","3","3","1") = "6"
    & skf21("2","1","6","7","2","3","4","1") = "6"
    & skf21("2","1","6","7","2","3","5","1") = "6"
    & skf21("2","1","6","7","2","3","6","1") = "6"
    & skf21("2","1","6","7","2","3","7","1") = "6"
    & skf21("2","1","6","7","2","4","1","1") = "6"
    & skf21("2","1","6","7","2","4","2","1") = "6"
    & skf21("2","1","6","7","2","4","3","1") = "6"
    & skf21("2","1","6","7","2","4","4","1") = "6"
    & skf21("2","1","6","7","2","4","5","1") = "6"
    & skf21("2","1","6","7","2","4","6","1") = "6"
    & skf21("2","1","6","7","2","4","7","1") = "6"
    & skf21("2","1","6","7","2","5","1","1") = "6"
    & skf21("2","1","6","7","2","5","2","1") = "6"
    & skf21("2","1","6","7","2","5","3","1") = "6"
    & skf21("2","1","6","7","2","5","4","1") = "6"
    & skf21("2","1","6","7","2","5","5","1") = "6"
    & skf21("2","1","6","7","2","5","6","1") = "6"
    & skf21("2","1","6","7","2","5","7","1") = "6"
    & skf21("2","1","6","7","2","6","1","1") = "6"
    & skf21("2","1","6","7","2","6","2","1") = "6"
    & skf21("2","1","6","7","2","6","3","1") = "6"
    & skf21("2","1","6","7","2","6","4","1") = "6"
    & skf21("2","1","6","7","2","6","5","1") = "6"
    & skf21("2","1","6","7","2","6","6","1") = "6"
    & skf21("2","1","6","7","2","6","7","1") = "6"
    & skf21("2","1","6","7","2","7","1","1") = "6"
    & skf21("2","1","6","7","2","7","2","1") = "6"
    & skf21("2","1","6","7","2","7","3","1") = "6"
    & skf21("2","1","6","7","2","7","4","1") = "6"
    & skf21("2","1","6","7","2","7","5","1") = "6"
    & skf21("2","1","6","7","2","7","6","1") = "6"
    & skf21("2","1","6","7","2","7","7","1") = "6"
    & skf21("2","1","6","7","3","1","1","1") = "6"
    & skf21("2","1","6","7","3","1","2","1") = "6"
    & skf21("2","1","6","7","3","1","3","1") = "6"
    & skf21("2","1","6","7","3","1","4","1") = "6"
    & skf21("2","1","6","7","3","1","5","1") = "6"
    & skf21("2","1","6","7","3","1","6","1") = "6"
    & skf21("2","1","6","7","3","1","7","1") = "6"
    & skf21("2","1","6","7","3","2","1","1") = "6"
    & skf21("2","1","6","7","3","2","2","1") = "6"
    & skf21("2","1","6","7","3","2","3","1") = "6"
    & skf21("2","1","6","7","3","2","4","1") = "6"
    & skf21("2","1","6","7","3","2","5","1") = "6"
    & skf21("2","1","6","7","3","2","6","1") = "6"
    & skf21("2","1","6","7","3","2","7","1") = "6"
    & skf21("2","1","6","7","3","3","1","1") = "6"
    & skf21("2","1","6","7","3","3","2","1") = "6"
    & skf21("2","1","6","7","3","3","3","1") = "6"
    & skf21("2","1","6","7","3","3","4","1") = "6"
    & skf21("2","1","6","7","3","3","5","1") = "6"
    & skf21("2","1","6","7","3","3","6","1") = "6"
    & skf21("2","1","6","7","3","3","7","1") = "6"
    & skf21("2","1","6","7","3","4","1","1") = "6"
    & skf21("2","1","6","7","3","4","2","1") = "6"
    & skf21("2","1","6","7","3","4","3","1") = "6"
    & skf21("2","1","6","7","3","4","4","1") = "6"
    & skf21("2","1","6","7","3","4","5","1") = "6"
    & skf21("2","1","6","7","3","4","6","1") = "6"
    & skf21("2","1","6","7","3","4","7","1") = "6"
    & skf21("2","1","6","7","3","5","1","1") = "6"
    & skf21("2","1","6","7","3","5","2","1") = "6"
    & skf21("2","1","6","7","3","5","3","1") = "6"
    & skf21("2","1","6","7","3","5","4","1") = "6"
    & skf21("2","1","6","7","3","5","5","1") = "6"
    & skf21("2","1","6","7","3","5","6","1") = "6"
    & skf21("2","1","6","7","3","5","7","1") = "6"
    & skf21("2","1","6","7","3","6","1","1") = "6"
    & skf21("2","1","6","7","3","6","2","1") = "6"
    & skf21("2","1","6","7","3","6","3","1") = "6"
    & skf21("2","1","6","7","3","6","4","1") = "6"
    & skf21("2","1","6","7","3","6","5","1") = "6"
    & skf21("2","1","6","7","3","6","6","1") = "6"
    & skf21("2","1","6","7","3","6","7","1") = "6"
    & skf21("2","1","6","7","3","7","1","1") = "6"
    & skf21("2","1","6","7","3","7","2","1") = "6"
    & skf21("2","1","6","7","3","7","3","1") = "6"
    & skf21("2","1","6","7","3","7","4","1") = "6"
    & skf21("2","1","6","7","3","7","5","1") = "6"
    & skf21("2","1","6","7","3","7","6","1") = "6"
    & skf21("2","1","6","7","3","7","7","1") = "6"
    & skf21("2","1","6","7","4","1","1","1") = "6"
    & skf21("2","1","6","7","4","1","2","1") = "6"
    & skf21("2","1","6","7","4","1","3","1") = "6"
    & skf21("2","1","6","7","4","1","4","1") = "6"
    & skf21("2","1","6","7","4","1","5","1") = "6"
    & skf21("2","1","6","7","4","1","6","1") = "6"
    & skf21("2","1","6","7","4","1","7","1") = "6"
    & skf21("2","1","6","7","4","2","1","1") = "6"
    & skf21("2","1","6","7","4","2","2","1") = "6"
    & skf21("2","1","6","7","4","2","3","1") = "6"
    & skf21("2","1","6","7","4","2","4","1") = "6"
    & skf21("2","1","6","7","4","2","5","1") = "6"
    & skf21("2","1","6","7","4","2","6","1") = "6"
    & skf21("2","1","6","7","4","2","7","1") = "6"
    & skf21("2","1","6","7","4","3","1","1") = "6"
    & skf21("2","1","6","7","4","3","2","1") = "6"
    & skf21("2","1","6","7","4","3","3","1") = "6"
    & skf21("2","1","6","7","4","3","4","1") = "6"
    & skf21("2","1","6","7","4","3","5","1") = "6"
    & skf21("2","1","6","7","4","3","6","1") = "6"
    & skf21("2","1","6","7","4","3","7","1") = "6"
    & skf21("2","1","6","7","4","4","1","1") = "6"
    & skf21("2","1","6","7","4","4","2","1") = "6"
    & skf21("2","1","6","7","4","4","3","1") = "6"
    & skf21("2","1","6","7","4","4","4","1") = "6"
    & skf21("2","1","6","7","4","4","5","1") = "6"
    & skf21("2","1","6","7","4","4","6","1") = "6"
    & skf21("2","1","6","7","4","4","7","1") = "6"
    & skf21("2","1","6","7","4","5","1","1") = "6"
    & skf21("2","1","6","7","4","5","2","1") = "6"
    & skf21("2","1","6","7","4","5","3","1") = "6"
    & skf21("2","1","6","7","4","5","4","1") = "6"
    & skf21("2","1","6","7","4","5","5","1") = "6"
    & skf21("2","1","6","7","4","5","6","1") = "6"
    & skf21("2","1","6","7","4","5","7","1") = "6"
    & skf21("2","1","6","7","4","6","1","1") = "6"
    & skf21("2","1","6","7","4","6","2","1") = "6"
    & skf21("2","1","6","7","4","6","3","1") = "6"
    & skf21("2","1","6","7","4","6","4","1") = "6"
    & skf21("2","1","6","7","4","6","5","1") = "6"
    & skf21("2","1","6","7","4","6","6","1") = "6"
    & skf21("2","1","6","7","4","6","7","1") = "6"
    & skf21("2","1","6","7","4","7","1","1") = "6"
    & skf21("2","1","6","7","4","7","2","1") = "6"
    & skf21("2","1","6","7","4","7","3","1") = "6"
    & skf21("2","1","6","7","4","7","4","1") = "6"
    & skf21("2","1","6","7","4","7","5","1") = "6"
    & skf21("2","1","6","7","4","7","6","1") = "6"
    & skf21("2","1","6","7","4","7","7","1") = "6"
    & skf21("2","1","6","7","5","1","1","1") = "6"
    & skf21("2","1","6","7","5","1","2","1") = "6"
    & skf21("2","1","6","7","5","1","3","1") = "6"
    & skf21("2","1","6","7","5","1","4","1") = "6"
    & skf21("2","1","6","7","5","1","5","1") = "6"
    & skf21("2","1","6","7","5","1","6","1") = "6"
    & skf21("2","1","6","7","5","1","7","1") = "6"
    & skf21("2","1","6","7","5","2","1","1") = "6"
    & skf21("2","1","6","7","5","2","2","1") = "6"
    & skf21("2","1","6","7","5","2","3","1") = "6"
    & skf21("2","1","6","7","5","2","4","1") = "6"
    & skf21("2","1","6","7","5","2","5","1") = "6"
    & skf21("2","1","6","7","5","2","6","1") = "6"
    & skf21("2","1","6","7","5","2","7","1") = "6"
    & skf21("2","1","6","7","5","3","1","1") = "6"
    & skf21("2","1","6","7","5","3","2","1") = "6"
    & skf21("2","1","6","7","5","3","3","1") = "6"
    & skf21("2","1","6","7","5","3","4","1") = "6"
    & skf21("2","1","6","7","5","3","5","1") = "6"
    & skf21("2","1","6","7","5","3","6","1") = "6"
    & skf21("2","1","6","7","5","3","7","1") = "6"
    & skf21("2","1","6","7","5","4","1","1") = "6"
    & skf21("2","1","6","7","5","4","2","1") = "6"
    & skf21("2","1","6","7","5","4","3","1") = "6"
    & skf21("2","1","6","7","5","4","4","1") = "6"
    & skf21("2","1","6","7","5","4","5","1") = "6"
    & skf21("2","1","6","7","5","4","6","1") = "6"
    & skf21("2","1","6","7","5","4","7","1") = "6"
    & skf21("2","1","6","7","5","5","1","1") = "6"
    & skf21("2","1","6","7","5","5","2","1") = "6"
    & skf21("2","1","6","7","5","5","3","1") = "6"
    & skf21("2","1","6","7","5","5","4","1") = "6"
    & skf21("2","1","6","7","5","5","5","1") = "6"
    & skf21("2","1","6","7","5","5","6","1") = "6"
    & skf21("2","1","6","7","5","5","7","1") = "6"
    & skf21("2","1","6","7","5","6","1","1") = "6"
    & skf21("2","1","6","7","5","6","2","1") = "6"
    & skf21("2","1","6","7","5","6","3","1") = "6"
    & skf21("2","1","6","7","5","6","4","1") = "6"
    & skf21("2","1","6","7","5","6","5","1") = "6"
    & skf21("2","1","6","7","5","6","6","1") = "6"
    & skf21("2","1","6","7","5","6","7","1") = "6"
    & skf21("2","1","6","7","5","7","1","1") = "6"
    & skf21("2","1","6","7","5","7","2","1") = "6"
    & skf21("2","1","6","7","5","7","3","1") = "6"
    & skf21("2","1","6","7","5","7","4","1") = "6"
    & skf21("2","1","6","7","5","7","5","1") = "6"
    & skf21("2","1","6","7","5","7","6","1") = "6"
    & skf21("2","1","6","7","5","7","7","1") = "6"
    & skf21("2","1","6","7","6","1","1","1") = "6"
    & skf21("2","1","6","7","6","1","2","1") = "6"
    & skf21("2","1","6","7","6","1","3","1") = "6"
    & skf21("2","1","6","7","6","1","4","1") = "6"
    & skf21("2","1","6","7","6","1","5","1") = "6"
    & skf21("2","1","6","7","6","1","6","1") = "6"
    & skf21("2","1","6","7","6","1","7","1") = "6"
    & skf21("2","1","6","7","6","2","1","1") = "6"
    & skf21("2","1","6","7","6","2","2","1") = "6"
    & skf21("2","1","6","7","6","2","3","1") = "6"
    & skf21("2","1","6","7","6","2","4","1") = "6"
    & skf21("2","1","6","7","6","2","5","1") = "6"
    & skf21("2","1","6","7","6","2","6","1") = "6"
    & skf21("2","1","6","7","6","2","7","1") = "6"
    & skf21("2","1","6","7","6","3","1","1") = "6"
    & skf21("2","1","6","7","6","3","2","1") = "6"
    & skf21("2","1","6","7","6","3","3","1") = "6"
    & skf21("2","1","6","7","6","3","4","1") = "6"
    & skf21("2","1","6","7","6","3","5","1") = "6"
    & skf21("2","1","6","7","6","3","6","1") = "6"
    & skf21("2","1","6","7","6","3","7","1") = "6"
    & skf21("2","1","6","7","6","4","1","1") = "6"
    & skf21("2","1","6","7","6","4","2","1") = "6"
    & skf21("2","1","6","7","6","4","3","1") = "6"
    & skf21("2","1","6","7","6","4","4","1") = "6"
    & skf21("2","1","6","7","6","4","5","1") = "6"
    & skf21("2","1","6","7","6","4","6","1") = "6"
    & skf21("2","1","6","7","6","4","7","1") = "6"
    & skf21("2","1","6","7","6","5","1","1") = "6"
    & skf21("2","1","6","7","6","5","2","1") = "6"
    & skf21("2","1","6","7","6","5","3","1") = "6"
    & skf21("2","1","6","7","6","5","4","1") = "6"
    & skf21("2","1","6","7","6","5","5","1") = "6"
    & skf21("2","1","6","7","6","5","6","1") = "6"
    & skf21("2","1","6","7","6","5","7","1") = "6"
    & skf21("2","1","6","7","6","6","1","1") = "6"
    & skf21("2","1","6","7","6","6","2","1") = "6"
    & skf21("2","1","6","7","6","6","3","1") = "6"
    & skf21("2","1","6","7","6","6","4","1") = "6"
    & skf21("2","1","6","7","6","6","5","1") = "6"
    & skf21("2","1","6","7","6","6","6","1") = "6"
    & skf21("2","1","6","7","6","6","7","1") = "6"
    & skf21("2","1","6","7","6","7","1","1") = "6"
    & skf21("2","1","6","7","6","7","2","1") = "6"
    & skf21("2","1","6","7","6","7","3","1") = "6"
    & skf21("2","1","6","7","6","7","4","1") = "6"
    & skf21("2","1","6","7","6","7","5","1") = "6"
    & skf21("2","1","6","7","6","7","6","1") = "6"
    & skf21("2","1","6","7","6","7","7","1") = "6"
    & skf21("2","1","6","7","7","1","1","1") = "6"
    & skf21("2","1","6","7","7","1","2","1") = "6"
    & skf21("2","1","6","7","7","1","3","1") = "6"
    & skf21("2","1","6","7","7","1","4","1") = "6"
    & skf21("2","1","6","7","7","1","5","1") = "6"
    & skf21("2","1","6","7","7","1","6","1") = "6"
    & skf21("2","1","6","7","7","1","7","1") = "6"
    & skf21("2","1","6","7","7","2","1","1") = "6"
    & skf21("2","1","6","7","7","2","2","1") = "6"
    & skf21("2","1","6","7","7","2","3","1") = "6"
    & skf21("2","1","6","7","7","2","4","1") = "6"
    & skf21("2","1","6","7","7","2","5","1") = "6"
    & skf21("2","1","6","7","7","2","6","1") = "6"
    & skf21("2","1","6","7","7","2","7","1") = "6"
    & skf21("2","1","6","7","7","3","1","1") = "6"
    & skf21("2","1","6","7","7","3","2","1") = "6"
    & skf21("2","1","6","7","7","3","3","1") = "6"
    & skf21("2","1","6","7","7","3","4","1") = "6"
    & skf21("2","1","6","7","7","3","5","1") = "6"
    & skf21("2","1","6","7","7","3","6","1") = "6"
    & skf21("2","1","6","7","7","3","7","1") = "6"
    & skf21("2","1","6","7","7","4","1","1") = "6"
    & skf21("2","1","6","7","7","4","2","1") = "6"
    & skf21("2","1","6","7","7","4","3","1") = "6"
    & skf21("2","1","6","7","7","4","4","1") = "6"
    & skf21("2","1","6","7","7","4","5","1") = "6"
    & skf21("2","1","6","7","7","4","6","1") = "6"
    & skf21("2","1","6","7","7","4","7","1") = "6"
    & skf21("2","1","6","7","7","5","1","1") = "6"
    & skf21("2","1","6","7","7","5","2","1") = "6"
    & skf21("2","1","6","7","7","5","3","1") = "6"
    & skf21("2","1","6","7","7","5","4","1") = "6"
    & skf21("2","1","6","7","7","5","5","1") = "6"
    & skf21("2","1","6","7","7","5","6","1") = "6"
    & skf21("2","1","6","7","7","5","7","1") = "6"
    & skf21("2","1","6","7","7","6","1","1") = "6"
    & skf21("2","1","6","7","7","6","2","1") = "6"
    & skf21("2","1","6","7","7","6","3","1") = "6"
    & skf21("2","1","6","7","7","6","4","1") = "6"
    & skf21("2","1","6","7","7","6","5","1") = "6"
    & skf21("2","1","6","7","7","6","6","1") = "6"
    & skf21("2","1","6","7","7","6","7","1") = "6"
    & skf21("2","1","6","7","7","7","1","1") = "6"
    & skf21("2","1","6","7","7","7","2","1") = "6"
    & skf21("2","1","6","7","7","7","3","1") = "6"
    & skf21("2","1","6","7","7","7","4","1") = "6"
    & skf21("2","1","6","7","7","7","5","1") = "6"
    & skf21("2","1","6","7","7","7","6","1") = "6"
    & skf21("2","1","6","7","7","7","7","1") = "6"
    & skf21("2","1","7","1","1","1","1","1") = "6"
    & skf21("2","1","7","1","1","1","2","1") = "6"
    & skf21("2","1","7","1","1","1","3","1") = "6"
    & skf21("2","1","7","1","1","1","4","1") = "6"
    & skf21("2","1","7","1","1","1","5","1") = "6"
    & skf21("2","1","7","1","1","1","6","1") = "6"
    & skf21("2","1","7","1","1","1","7","1") = "6"
    & skf21("2","1","7","1","1","2","1","1") = "6"
    & skf21("2","1","7","1","1","2","2","1") = "6"
    & skf21("2","1","7","1","1","2","3","1") = "6"
    & skf21("2","1","7","1","1","2","4","1") = "6"
    & skf21("2","1","7","1","1","2","5","1") = "6"
    & skf21("2","1","7","1","1","2","6","1") = "6"
    & skf21("2","1","7","1","1","2","7","1") = "6"
    & skf21("2","1","7","1","1","3","1","1") = "6"
    & skf21("2","1","7","1","1","3","2","1") = "6"
    & skf21("2","1","7","1","1","3","3","1") = "6"
    & skf21("2","1","7","1","1","3","4","1") = "6"
    & skf21("2","1","7","1","1","3","5","1") = "6"
    & skf21("2","1","7","1","1","3","6","1") = "6"
    & skf21("2","1","7","1","1","3","7","1") = "6"
    & skf21("2","1","7","1","1","4","1","1") = "6"
    & skf21("2","1","7","1","1","4","2","1") = "6"
    & skf21("2","1","7","1","1","4","3","1") = "6"
    & skf21("2","1","7","1","1","4","4","1") = "6"
    & skf21("2","1","7","1","1","4","5","1") = "6"
    & skf21("2","1","7","1","1","4","6","1") = "6"
    & skf21("2","1","7","1","1","4","7","1") = "6"
    & skf21("2","1","7","1","1","5","1","1") = "6"
    & skf21("2","1","7","1","1","5","2","1") = "6"
    & skf21("2","1","7","1","1","5","3","1") = "6"
    & skf21("2","1","7","1","1","5","4","1") = "6"
    & skf21("2","1","7","1","1","5","5","1") = "6"
    & skf21("2","1","7","1","1","5","6","1") = "6"
    & skf21("2","1","7","1","1","5","7","1") = "6"
    & skf21("2","1","7","1","1","6","1","1") = "6"
    & skf21("2","1","7","1","1","6","2","1") = "6"
    & skf21("2","1","7","1","1","6","3","1") = "6"
    & skf21("2","1","7","1","1","6","4","1") = "6"
    & skf21("2","1","7","1","1","6","5","1") = "6"
    & skf21("2","1","7","1","1","6","6","1") = "6"
    & skf21("2","1","7","1","1","6","7","1") = "6"
    & skf21("2","1","7","1","1","7","1","1") = "6"
    & skf21("2","1","7","1","1","7","2","1") = "6"
    & skf21("2","1","7","1","1","7","3","1") = "6"
    & skf21("2","1","7","1","1","7","4","1") = "6"
    & skf21("2","1","7","1","1","7","5","1") = "6"
    & skf21("2","1","7","1","1","7","6","1") = "6"
    & skf21("2","1","7","1","1","7","7","1") = "6"
    & skf21("2","1","7","1","2","1","1","1") = "6"
    & skf21("2","1","7","1","2","1","2","1") = "6"
    & skf21("2","1","7","1","2","1","3","1") = "6"
    & skf21("2","1","7","1","2","1","4","1") = "6"
    & skf21("2","1","7","1","2","1","5","1") = "6"
    & skf21("2","1","7","1","2","1","6","1") = "6"
    & skf21("2","1","7","1","2","1","7","1") = "6"
    & skf21("2","1","7","1","2","2","1","1") = "6"
    & skf21("2","1","7","1","2","2","2","1") = "6"
    & skf21("2","1","7","1","2","2","3","1") = "6"
    & skf21("2","1","7","1","2","2","4","1") = "6"
    & skf21("2","1","7","1","2","2","5","1") = "6"
    & skf21("2","1","7","1","2","2","6","1") = "6"
    & skf21("2","1","7","1","2","2","7","1") = "6"
    & skf21("2","1","7","1","2","3","1","1") = "6"
    & skf21("2","1","7","1","2","3","2","1") = "6"
    & skf21("2","1","7","1","2","3","3","1") = "6"
    & skf21("2","1","7","1","2","3","4","1") = "6"
    & skf21("2","1","7","1","2","3","5","1") = "6"
    & skf21("2","1","7","1","2","3","6","1") = "6"
    & skf21("2","1","7","1","2","3","7","1") = "6"
    & skf21("2","1","7","1","2","4","1","1") = "6"
    & skf21("2","1","7","1","2","4","2","1") = "6"
    & skf21("2","1","7","1","2","4","3","1") = "6"
    & skf21("2","1","7","1","2","4","4","1") = "6"
    & skf21("2","1","7","1","2","4","5","1") = "6"
    & skf21("2","1","7","1","2","4","6","1") = "6"
    & skf21("2","1","7","1","2","4","7","1") = "6"
    & skf21("2","1","7","1","2","5","1","1") = "6"
    & skf21("2","1","7","1","2","5","2","1") = "6"
    & skf21("2","1","7","1","2","5","3","1") = "6"
    & skf21("2","1","7","1","2","5","4","1") = "6"
    & skf21("2","1","7","1","2","5","5","1") = "6"
    & skf21("2","1","7","1","2","5","6","1") = "6"
    & skf21("2","1","7","1","2","5","7","1") = "6"
    & skf21("2","1","7","1","2","6","1","1") = "6"
    & skf21("2","1","7","1","2","6","2","1") = "6"
    & skf21("2","1","7","1","2","6","3","1") = "6"
    & skf21("2","1","7","1","2","6","4","1") = "6"
    & skf21("2","1","7","1","2","6","5","1") = "6"
    & skf21("2","1","7","1","2","6","6","1") = "6"
    & skf21("2","1","7","1","2","6","7","1") = "6"
    & skf21("2","1","7","1","2","7","1","1") = "6"
    & skf21("2","1","7","1","2","7","2","1") = "6"
    & skf21("2","1","7","1","2","7","3","1") = "6"
    & skf21("2","1","7","1","2","7","4","1") = "6"
    & skf21("2","1","7","1","2","7","5","1") = "6"
    & skf21("2","1","7","1","2","7","6","1") = "6"
    & skf21("2","1","7","1","2","7","7","1") = "6"
    & skf21("2","1","7","1","3","1","1","1") = "6"
    & skf21("2","1","7","1","3","1","2","1") = "6"
    & skf21("2","1","7","1","3","1","3","1") = "6"
    & skf21("2","1","7","1","3","1","4","1") = "6"
    & skf21("2","1","7","1","3","1","5","1") = "6"
    & skf21("2","1","7","1","3","1","6","1") = "6"
    & skf21("2","1","7","1","3","1","7","1") = "6"
    & skf21("2","1","7","1","3","2","1","1") = "6"
    & skf21("2","1","7","1","3","2","2","1") = "6"
    & skf21("2","1","7","1","3","2","3","1") = "6"
    & skf21("2","1","7","1","3","2","4","1") = "6"
    & skf21("2","1","7","1","3","2","5","1") = "6"
    & skf21("2","1","7","1","3","2","6","1") = "6"
    & skf21("2","1","7","1","3","2","7","1") = "6"
    & skf21("2","1","7","1","3","3","1","1") = "6"
    & skf21("2","1","7","1","3","3","2","1") = "6"
    & skf21("2","1","7","1","3","3","3","1") = "6"
    & skf21("2","1","7","1","3","3","4","1") = "6"
    & skf21("2","1","7","1","3","3","5","1") = "6"
    & skf21("2","1","7","1","3","3","6","1") = "6"
    & skf21("2","1","7","1","3","3","7","1") = "6"
    & skf21("2","1","7","1","3","4","1","1") = "6"
    & skf21("2","1","7","1","3","4","2","1") = "6"
    & skf21("2","1","7","1","3","4","3","1") = "6"
    & skf21("2","1","7","1","3","4","4","1") = "6"
    & skf21("2","1","7","1","3","4","5","1") = "6"
    & skf21("2","1","7","1","3","4","6","1") = "6"
    & skf21("2","1","7","1","3","4","7","1") = "6"
    & skf21("2","1","7","1","3","5","1","1") = "6"
    & skf21("2","1","7","1","3","5","2","1") = "6"
    & skf21("2","1","7","1","3","5","3","1") = "6"
    & skf21("2","1","7","1","3","5","4","1") = "6"
    & skf21("2","1","7","1","3","5","5","1") = "6"
    & skf21("2","1","7","1","3","5","6","1") = "6"
    & skf21("2","1","7","1","3","5","7","1") = "6"
    & skf21("2","1","7","1","3","6","1","1") = "6"
    & skf21("2","1","7","1","3","6","2","1") = "6"
    & skf21("2","1","7","1","3","6","3","1") = "6"
    & skf21("2","1","7","1","3","6","4","1") = "6"
    & skf21("2","1","7","1","3","6","5","1") = "6"
    & skf21("2","1","7","1","3","6","6","1") = "6"
    & skf21("2","1","7","1","3","6","7","1") = "6"
    & skf21("2","1","7","1","3","7","1","1") = "6"
    & skf21("2","1","7","1","3","7","2","1") = "6"
    & skf21("2","1","7","1","3","7","3","1") = "6"
    & skf21("2","1","7","1","3","7","4","1") = "6"
    & skf21("2","1","7","1","3","7","5","1") = "6"
    & skf21("2","1","7","1","3","7","6","1") = "6"
    & skf21("2","1","7","1","3","7","7","1") = "6"
    & skf21("2","1","7","1","4","1","1","1") = "6"
    & skf21("2","1","7","1","4","1","2","1") = "6"
    & skf21("2","1","7","1","4","1","3","1") = "6"
    & skf21("2","1","7","1","4","1","4","1") = "6"
    & skf21("2","1","7","1","4","1","5","1") = "6"
    & skf21("2","1","7","1","4","1","6","1") = "6"
    & skf21("2","1","7","1","4","1","7","1") = "6"
    & skf21("2","1","7","1","4","2","1","1") = "6"
    & skf21("2","1","7","1","4","2","2","1") = "6"
    & skf21("2","1","7","1","4","2","3","1") = "6"
    & skf21("2","1","7","1","4","2","4","1") = "6"
    & skf21("2","1","7","1","4","2","5","1") = "6"
    & skf21("2","1","7","1","4","2","6","1") = "6"
    & skf21("2","1","7","1","4","2","7","1") = "6"
    & skf21("2","1","7","1","4","3","1","1") = "6"
    & skf21("2","1","7","1","4","3","2","1") = "6"
    & skf21("2","1","7","1","4","3","3","1") = "6"
    & skf21("2","1","7","1","4","3","4","1") = "6"
    & skf21("2","1","7","1","4","3","5","1") = "6"
    & skf21("2","1","7","1","4","3","6","1") = "6"
    & skf21("2","1","7","1","4","3","7","1") = "6"
    & skf21("2","1","7","1","4","4","1","1") = "6"
    & skf21("2","1","7","1","4","4","2","1") = "6"
    & skf21("2","1","7","1","4","4","3","1") = "6"
    & skf21("2","1","7","1","4","4","4","1") = "6"
    & skf21("2","1","7","1","4","4","5","1") = "6"
    & skf21("2","1","7","1","4","4","6","1") = "6"
    & skf21("2","1","7","1","4","4","7","1") = "6"
    & skf21("2","1","7","1","4","5","1","1") = "6"
    & skf21("2","1","7","1","4","5","2","1") = "6"
    & skf21("2","1","7","1","4","5","3","1") = "6"
    & skf21("2","1","7","1","4","5","4","1") = "6"
    & skf21("2","1","7","1","4","5","5","1") = "6"
    & skf21("2","1","7","1","4","5","6","1") = "6"
    & skf21("2","1","7","1","4","5","7","1") = "6"
    & skf21("2","1","7","1","4","6","1","1") = "6"
    & skf21("2","1","7","1","4","6","2","1") = "6"
    & skf21("2","1","7","1","4","6","3","1") = "6"
    & skf21("2","1","7","1","4","6","4","1") = "6"
    & skf21("2","1","7","1","4","6","5","1") = "6"
    & skf21("2","1","7","1","4","6","6","1") = "6"
    & skf21("2","1","7","1","4","6","7","1") = "6"
    & skf21("2","1","7","1","4","7","1","1") = "6"
    & skf21("2","1","7","1","4","7","2","1") = "6"
    & skf21("2","1","7","1","4","7","3","1") = "6"
    & skf21("2","1","7","1","4","7","4","1") = "6"
    & skf21("2","1","7","1","4","7","5","1") = "6"
    & skf21("2","1","7","1","4","7","6","1") = "6"
    & skf21("2","1","7","1","4","7","7","1") = "6"
    & skf21("2","1","7","1","5","1","1","1") = "6"
    & skf21("2","1","7","1","5","1","2","1") = "6"
    & skf21("2","1","7","1","5","1","3","1") = "6"
    & skf21("2","1","7","1","5","1","4","1") = "6"
    & skf21("2","1","7","1","5","1","5","1") = "6"
    & skf21("2","1","7","1","5","1","6","1") = "6"
    & skf21("2","1","7","1","5","1","7","1") = "6"
    & skf21("2","1","7","1","5","2","1","1") = "6"
    & skf21("2","1","7","1","5","2","2","1") = "6"
    & skf21("2","1","7","1","5","2","3","1") = "6"
    & skf21("2","1","7","1","5","2","4","1") = "6"
    & skf21("2","1","7","1","5","2","5","1") = "6"
    & skf21("2","1","7","1","5","2","6","1") = "6"
    & skf21("2","1","7","1","5","2","7","1") = "6"
    & skf21("2","1","7","1","5","3","1","1") = "6"
    & skf21("2","1","7","1","5","3","2","1") = "6"
    & skf21("2","1","7","1","5","3","3","1") = "6"
    & skf21("2","1","7","1","5","3","4","1") = "6"
    & skf21("2","1","7","1","5","3","5","1") = "6"
    & skf21("2","1","7","1","5","3","6","1") = "6"
    & skf21("2","1","7","1","5","3","7","1") = "6"
    & skf21("2","1","7","1","5","4","1","1") = "6"
    & skf21("2","1","7","1","5","4","2","1") = "6"
    & skf21("2","1","7","1","5","4","3","1") = "6"
    & skf21("2","1","7","1","5","4","4","1") = "6"
    & skf21("2","1","7","1","5","4","5","1") = "6"
    & skf21("2","1","7","1","5","4","6","1") = "6"
    & skf21("2","1","7","1","5","4","7","1") = "6"
    & skf21("2","1","7","1","5","5","1","1") = "6"
    & skf21("2","1","7","1","5","5","2","1") = "6"
    & skf21("2","1","7","1","5","5","3","1") = "6"
    & skf21("2","1","7","1","5","5","4","1") = "6"
    & skf21("2","1","7","1","5","5","5","1") = "6"
    & skf21("2","1","7","1","5","5","6","1") = "6"
    & skf21("2","1","7","1","5","5","7","1") = "6"
    & skf21("2","1","7","1","5","6","1","1") = "6"
    & skf21("2","1","7","1","5","6","2","1") = "6"
    & skf21("2","1","7","1","5","6","3","1") = "6"
    & skf21("2","1","7","1","5","6","4","1") = "6"
    & skf21("2","1","7","1","5","6","5","1") = "6"
    & skf21("2","1","7","1","5","6","6","1") = "6"
    & skf21("2","1","7","1","5","6","7","1") = "6"
    & skf21("2","1","7","1","5","7","1","1") = "6"
    & skf21("2","1","7","1","5","7","2","1") = "6"
    & skf21("2","1","7","1","5","7","3","1") = "6"
    & skf21("2","1","7","1","5","7","4","1") = "6"
    & skf21("2","1","7","1","5","7","5","1") = "6"
    & skf21("2","1","7","1","5","7","6","1") = "6"
    & skf21("2","1","7","1","5","7","7","1") = "6"
    & skf21("2","1","7","1","6","1","1","1") = "6"
    & skf21("2","1","7","1","6","1","2","1") = "6"
    & skf21("2","1","7","1","6","1","3","1") = "6"
    & skf21("2","1","7","1","6","1","4","1") = "6"
    & skf21("2","1","7","1","6","1","5","1") = "6"
    & skf21("2","1","7","1","6","1","6","1") = "6"
    & skf21("2","1","7","1","6","1","7","1") = "6"
    & skf21("2","1","7","1","6","2","1","1") = "6"
    & skf21("2","1","7","1","6","2","2","1") = "6"
    & skf21("2","1","7","1","6","2","3","1") = "6"
    & skf21("2","1","7","1","6","2","4","1") = "6"
    & skf21("2","1","7","1","6","2","5","1") = "6"
    & skf21("2","1","7","1","6","2","6","1") = "6"
    & skf21("2","1","7","1","6","2","7","1") = "6"
    & skf21("2","1","7","1","6","3","1","1") = "6"
    & skf21("2","1","7","1","6","3","2","1") = "6"
    & skf21("2","1","7","1","6","3","3","1") = "6"
    & skf21("2","1","7","1","6","3","4","1") = "6"
    & skf21("2","1","7","1","6","3","5","1") = "6"
    & skf21("2","1","7","1","6","3","6","1") = "6"
    & skf21("2","1","7","1","6","3","7","1") = "6"
    & skf21("2","1","7","1","6","4","1","1") = "6"
    & skf21("2","1","7","1","6","4","2","1") = "6"
    & skf21("2","1","7","1","6","4","3","1") = "6"
    & skf21("2","1","7","1","6","4","4","1") = "6"
    & skf21("2","1","7","1","6","4","5","1") = "6"
    & skf21("2","1","7","1","6","4","6","1") = "6"
    & skf21("2","1","7","1","6","4","7","1") = "6"
    & skf21("2","1","7","1","6","5","1","1") = "6"
    & skf21("2","1","7","1","6","5","2","1") = "6"
    & skf21("2","1","7","1","6","5","3","1") = "6"
    & skf21("2","1","7","1","6","5","4","1") = "6"
    & skf21("2","1","7","1","6","5","5","1") = "6"
    & skf21("2","1","7","1","6","5","6","1") = "6"
    & skf21("2","1","7","1","6","5","7","1") = "6"
    & skf21("2","1","7","1","6","6","1","1") = "6"
    & skf21("2","1","7","1","6","6","2","1") = "6"
    & skf21("2","1","7","1","6","6","3","1") = "6"
    & skf21("2","1","7","1","6","6","4","1") = "6"
    & skf21("2","1","7","1","6","6","5","1") = "6"
    & skf21("2","1","7","1","6","6","6","1") = "6"
    & skf21("2","1","7","1","6","6","7","1") = "6"
    & skf21("2","1","7","1","6","7","1","1") = "6"
    & skf21("2","1","7","1","6","7","2","1") = "6"
    & skf21("2","1","7","1","6","7","3","1") = "6"
    & skf21("2","1","7","1","6","7","4","1") = "6"
    & skf21("2","1","7","1","6","7","5","1") = "6"
    & skf21("2","1","7","1","6","7","6","1") = "6"
    & skf21("2","1","7","1","6","7","7","1") = "6"
    & skf21("2","1","7","1","7","1","1","1") = "6"
    & skf21("2","1","7","1","7","1","2","1") = "6"
    & skf21("2","1","7","1","7","1","3","1") = "6"
    & skf21("2","1","7","1","7","1","4","1") = "6"
    & skf21("2","1","7","1","7","1","5","1") = "6"
    & skf21("2","1","7","1","7","1","6","1") = "6"
    & skf21("2","1","7","1","7","1","7","1") = "6"
    & skf21("2","1","7","1","7","2","1","1") = "6"
    & skf21("2","1","7","1","7","2","2","1") = "6"
    & skf21("2","1","7","1","7","2","3","1") = "6"
    & skf21("2","1","7","1","7","2","4","1") = "6"
    & skf21("2","1","7","1","7","2","5","1") = "6"
    & skf21("2","1","7","1","7","2","6","1") = "6"
    & skf21("2","1","7","1","7","2","7","1") = "6"
    & skf21("2","1","7","1","7","3","1","1") = "6"
    & skf21("2","1","7","1","7","3","2","1") = "6"
    & skf21("2","1","7","1","7","3","3","1") = "6"
    & skf21("2","1","7","1","7","3","4","1") = "6"
    & skf21("2","1","7","1","7","3","5","1") = "6"
    & skf21("2","1","7","1","7","3","6","1") = "6"
    & skf21("2","1","7","1","7","3","7","1") = "6"
    & skf21("2","1","7","1","7","4","1","1") = "6"
    & skf21("2","1","7","1","7","4","2","1") = "6"
    & skf21("2","1","7","1","7","4","3","1") = "6"
    & skf21("2","1","7","1","7","4","4","1") = "6"
    & skf21("2","1","7","1","7","4","5","1") = "6"
    & skf21("2","1","7","1","7","4","6","1") = "6"
    & skf21("2","1","7","1","7","4","7","1") = "6"
    & skf21("2","1","7","1","7","5","1","1") = "6"
    & skf21("2","1","7","1","7","5","2","1") = "6"
    & skf21("2","1","7","1","7","5","3","1") = "6"
    & skf21("2","1","7","1","7","5","4","1") = "6"
    & skf21("2","1","7","1","7","5","5","1") = "6"
    & skf21("2","1","7","1","7","5","6","1") = "6"
    & skf21("2","1","7","1","7","5","7","1") = "6"
    & skf21("2","1","7","1","7","6","1","1") = "6"
    & skf21("2","1","7","1","7","6","2","1") = "6"
    & skf21("2","1","7","1","7","6","3","1") = "6"
    & skf21("2","1","7","1","7","6","4","1") = "6"
    & skf21("2","1","7","1","7","6","5","1") = "6"
    & skf21("2","1","7","1","7","6","6","1") = "6"
    & skf21("2","1","7","1","7","6","7","1") = "6"
    & skf21("2","1","7","1","7","7","1","1") = "6"
    & skf21("2","1","7","1","7","7","2","1") = "6"
    & skf21("2","1","7","1","7","7","3","1") = "6"
    & skf21("2","1","7","1","7","7","4","1") = "6"
    & skf21("2","1","7","1","7","7","5","1") = "6"
    & skf21("2","1","7","1","7","7","6","1") = "6"
    & skf21("2","1","7","1","7","7","7","1") = "6"
    & skf21("2","1","7","2","1","1","1","1") = "6"
    & skf21("2","1","7","2","1","1","2","1") = "6"
    & skf21("2","1","7","2","1","1","3","1") = "6"
    & skf21("2","1","7","2","1","1","4","1") = "6"
    & skf21("2","1","7","2","1","1","5","1") = "6"
    & skf21("2","1","7","2","1","1","6","1") = "6"
    & skf21("2","1","7","2","1","1","7","1") = "6"
    & skf21("2","1","7","2","1","2","1","1") = "6"
    & skf21("2","1","7","2","1","2","2","1") = "6"
    & skf21("2","1","7","2","1","2","3","1") = "6"
    & skf21("2","1","7","2","1","2","4","1") = "6"
    & skf21("2","1","7","2","1","2","5","1") = "6"
    & skf21("2","1","7","2","1","2","6","1") = "6"
    & skf21("2","1","7","2","1","2","7","1") = "6"
    & skf21("2","1","7","2","1","3","1","1") = "6"
    & skf21("2","1","7","2","1","3","2","1") = "6"
    & skf21("2","1","7","2","1","3","3","1") = "6"
    & skf21("2","1","7","2","1","3","4","1") = "6"
    & skf21("2","1","7","2","1","3","5","1") = "6"
    & skf21("2","1","7","2","1","3","6","1") = "6"
    & skf21("2","1","7","2","1","3","7","1") = "6"
    & skf21("2","1","7","2","1","4","1","1") = "6"
    & skf21("2","1","7","2","1","4","2","1") = "6"
    & skf21("2","1","7","2","1","4","3","1") = "6"
    & skf21("2","1","7","2","1","4","4","1") = "6"
    & skf21("2","1","7","2","1","4","5","1") = "6"
    & skf21("2","1","7","2","1","4","6","1") = "6"
    & skf21("2","1","7","2","1","4","7","1") = "6"
    & skf21("2","1","7","2","1","5","1","1") = "6"
    & skf21("2","1","7","2","1","5","2","1") = "6"
    & skf21("2","1","7","2","1","5","3","1") = "6"
    & skf21("2","1","7","2","1","5","4","1") = "6"
    & skf21("2","1","7","2","1","5","5","1") = "6"
    & skf21("2","1","7","2","1","5","6","1") = "6"
    & skf21("2","1","7","2","1","5","7","1") = "6"
    & skf21("2","1","7","2","1","6","1","1") = "6"
    & skf21("2","1","7","2","1","6","2","1") = "6"
    & skf21("2","1","7","2","1","6","3","1") = "6"
    & skf21("2","1","7","2","1","6","4","1") = "6"
    & skf21("2","1","7","2","1","6","5","1") = "6"
    & skf21("2","1","7","2","1","6","6","1") = "6"
    & skf21("2","1","7","2","1","6","7","1") = "6"
    & skf21("2","1","7","2","1","7","1","1") = "6"
    & skf21("2","1","7","2","1","7","2","1") = "6"
    & skf21("2","1","7","2","1","7","3","1") = "6"
    & skf21("2","1","7","2","1","7","4","1") = "6"
    & skf21("2","1","7","2","1","7","5","1") = "6"
    & skf21("2","1","7","2","1","7","6","1") = "6"
    & skf21("2","1","7","2","1","7","7","1") = "6"
    & skf21("2","1","7","2","2","1","1","1") = "6"
    & skf21("2","1","7","2","2","1","2","1") = "6"
    & skf21("2","1","7","2","2","1","3","1") = "6"
    & skf21("2","1","7","2","2","1","4","1") = "6"
    & skf21("2","1","7","2","2","1","5","1") = "6"
    & skf21("2","1","7","2","2","1","6","1") = "6"
    & skf21("2","1","7","2","2","1","7","1") = "6"
    & skf21("2","1","7","2","2","2","1","1") = "6"
    & skf21("2","1","7","2","2","2","2","1") = "6"
    & skf21("2","1","7","2","2","2","3","1") = "6"
    & skf21("2","1","7","2","2","2","4","1") = "6"
    & skf21("2","1","7","2","2","2","5","1") = "6"
    & skf21("2","1","7","2","2","2","6","1") = "6"
    & skf21("2","1","7","2","2","2","7","1") = "6"
    & skf21("2","1","7","2","2","3","1","1") = "6"
    & skf21("2","1","7","2","2","3","2","1") = "6"
    & skf21("2","1","7","2","2","3","3","1") = "6"
    & skf21("2","1","7","2","2","3","4","1") = "6"
    & skf21("2","1","7","2","2","3","5","1") = "6"
    & skf21("2","1","7","2","2","3","6","1") = "6"
    & skf21("2","1","7","2","2","3","7","1") = "6"
    & skf21("2","1","7","2","2","4","1","1") = "6"
    & skf21("2","1","7","2","2","4","2","1") = "6"
    & skf21("2","1","7","2","2","4","3","1") = "6"
    & skf21("2","1","7","2","2","4","4","1") = "6"
    & skf21("2","1","7","2","2","4","5","1") = "6"
    & skf21("2","1","7","2","2","4","6","1") = "6"
    & skf21("2","1","7","2","2","4","7","1") = "6"
    & skf21("2","1","7","2","2","5","1","1") = "6"
    & skf21("2","1","7","2","2","5","2","1") = "6"
    & skf21("2","1","7","2","2","5","3","1") = "6"
    & skf21("2","1","7","2","2","5","4","1") = "6"
    & skf21("2","1","7","2","2","5","5","1") = "6"
    & skf21("2","1","7","2","2","5","6","1") = "6"
    & skf21("2","1","7","2","2","5","7","1") = "6"
    & skf21("2","1","7","2","2","6","1","1") = "6"
    & skf21("2","1","7","2","2","6","2","1") = "6"
    & skf21("2","1","7","2","2","6","3","1") = "6"
    & skf21("2","1","7","2","2","6","4","1") = "6"
    & skf21("2","1","7","2","2","6","5","1") = "6"
    & skf21("2","1","7","2","2","6","6","1") = "6"
    & skf21("2","1","7","2","2","6","7","1") = "6"
    & skf21("2","1","7","2","2","7","1","1") = "6"
    & skf21("2","1","7","2","2","7","2","1") = "6"
    & skf21("2","1","7","2","2","7","3","1") = "6"
    & skf21("2","1","7","2","2","7","4","1") = "6"
    & skf21("2","1","7","2","2","7","5","1") = "6"
    & skf21("2","1","7","2","2","7","6","1") = "6"
    & skf21("2","1","7","2","2","7","7","1") = "6"
    & skf21("2","1","7","2","3","1","1","1") = "6"
    & skf21("2","1","7","2","3","1","2","1") = "6"
    & skf21("2","1","7","2","3","1","3","1") = "6"
    & skf21("2","1","7","2","3","1","4","1") = "6"
    & skf21("2","1","7","2","3","1","5","1") = "6"
    & skf21("2","1","7","2","3","1","6","1") = "6"
    & skf21("2","1","7","2","3","1","7","1") = "6"
    & skf21("2","1","7","2","3","2","1","1") = "6"
    & skf21("2","1","7","2","3","2","2","1") = "6"
    & skf21("2","1","7","2","3","2","3","1") = "6"
    & skf21("2","1","7","2","3","2","4","1") = "6"
    & skf21("2","1","7","2","3","2","5","1") = "6"
    & skf21("2","1","7","2","3","2","6","1") = "6"
    & skf21("2","1","7","2","3","2","7","1") = "6"
    & skf21("2","1","7","2","3","3","1","1") = "6"
    & skf21("2","1","7","2","3","3","2","1") = "6"
    & skf21("2","1","7","2","3","3","3","1") = "6"
    & skf21("2","1","7","2","3","3","4","1") = "6"
    & skf21("2","1","7","2","3","3","5","1") = "6"
    & skf21("2","1","7","2","3","3","6","1") = "6"
    & skf21("2","1","7","2","3","3","7","1") = "6"
    & skf21("2","1","7","2","3","4","1","1") = "6"
    & skf21("2","1","7","2","3","4","2","1") = "6"
    & skf21("2","1","7","2","3","4","3","1") = "6"
    & skf21("2","1","7","2","3","4","4","1") = "6"
    & skf21("2","1","7","2","3","4","5","1") = "6"
    & skf21("2","1","7","2","3","4","6","1") = "6"
    & skf21("2","1","7","2","3","4","7","1") = "6"
    & skf21("2","1","7","2","3","5","1","1") = "6"
    & skf21("2","1","7","2","3","5","2","1") = "6"
    & skf21("2","1","7","2","3","5","3","1") = "6"
    & skf21("2","1","7","2","3","5","4","1") = "6"
    & skf21("2","1","7","2","3","5","5","1") = "6"
    & skf21("2","1","7","2","3","5","6","1") = "6"
    & skf21("2","1","7","2","3","5","7","1") = "6"
    & skf21("2","1","7","2","3","6","1","1") = "6"
    & skf21("2","1","7","2","3","6","2","1") = "6"
    & skf21("2","1","7","2","3","6","3","1") = "6"
    & skf21("2","1","7","2","3","6","4","1") = "6"
    & skf21("2","1","7","2","3","6","5","1") = "6"
    & skf21("2","1","7","2","3","6","6","1") = "6"
    & skf21("2","1","7","2","3","6","7","1") = "6"
    & skf21("2","1","7","2","3","7","1","1") = "6"
    & skf21("2","1","7","2","3","7","2","1") = "6"
    & skf21("2","1","7","2","3","7","3","1") = "6"
    & skf21("2","1","7","2","3","7","4","1") = "6"
    & skf21("2","1","7","2","3","7","5","1") = "6"
    & skf21("2","1","7","2","3","7","6","1") = "6"
    & skf21("2","1","7","2","3","7","7","1") = "6"
    & skf21("2","1","7","2","4","1","1","1") = "6"
    & skf21("2","1","7","2","4","1","2","1") = "6"
    & skf21("2","1","7","2","4","1","3","1") = "6"
    & skf21("2","1","7","2","4","1","4","1") = "6"
    & skf21("2","1","7","2","4","1","5","1") = "6"
    & skf21("2","1","7","2","4","1","6","1") = "6"
    & skf21("2","1","7","2","4","1","7","1") = "6"
    & skf21("2","1","7","2","4","2","1","1") = "6"
    & skf21("2","1","7","2","4","2","2","1") = "6"
    & skf21("2","1","7","2","4","2","3","1") = "6"
    & skf21("2","1","7","2","4","2","4","1") = "6"
    & skf21("2","1","7","2","4","2","5","1") = "6"
    & skf21("2","1","7","2","4","2","6","1") = "6"
    & skf21("2","1","7","2","4","2","7","1") = "6"
    & skf21("2","1","7","2","4","3","1","1") = "6"
    & skf21("2","1","7","2","4","3","2","1") = "6"
    & skf21("2","1","7","2","4","3","3","1") = "6"
    & skf21("2","1","7","2","4","3","4","1") = "6"
    & skf21("2","1","7","2","4","3","5","1") = "6"
    & skf21("2","1","7","2","4","3","6","1") = "6"
    & skf21("2","1","7","2","4","3","7","1") = "6"
    & skf21("2","1","7","2","4","4","1","1") = "6"
    & skf21("2","1","7","2","4","4","2","1") = "6"
    & skf21("2","1","7","2","4","4","3","1") = "6"
    & skf21("2","1","7","2","4","4","4","1") = "6"
    & skf21("2","1","7","2","4","4","5","1") = "6"
    & skf21("2","1","7","2","4","4","6","1") = "6"
    & skf21("2","1","7","2","4","4","7","1") = "6"
    & skf21("2","1","7","2","4","5","1","1") = "6"
    & skf21("2","1","7","2","4","5","2","1") = "6"
    & skf21("2","1","7","2","4","5","3","1") = "6"
    & skf21("2","1","7","2","4","5","4","1") = "6"
    & skf21("2","1","7","2","4","5","5","1") = "6"
    & skf21("2","1","7","2","4","5","6","1") = "6"
    & skf21("2","1","7","2","4","5","7","1") = "6"
    & skf21("2","1","7","2","4","6","1","1") = "6"
    & skf21("2","1","7","2","4","6","2","1") = "6"
    & skf21("2","1","7","2","4","6","3","1") = "6"
    & skf21("2","1","7","2","4","6","4","1") = "6"
    & skf21("2","1","7","2","4","6","5","1") = "6"
    & skf21("2","1","7","2","4","6","6","1") = "6"
    & skf21("2","1","7","2","4","6","7","1") = "6"
    & skf21("2","1","7","2","4","7","1","1") = "6"
    & skf21("2","1","7","2","4","7","2","1") = "6"
    & skf21("2","1","7","2","4","7","3","1") = "6"
    & skf21("2","1","7","2","4","7","4","1") = "6"
    & skf21("2","1","7","2","4","7","5","1") = "6"
    & skf21("2","1","7","2","4","7","6","1") = "6"
    & skf21("2","1","7","2","4","7","7","1") = "6"
    & skf21("2","1","7","2","5","1","1","1") = "6"
    & skf21("2","1","7","2","5","1","2","1") = "6"
    & skf21("2","1","7","2","5","1","3","1") = "6"
    & skf21("2","1","7","2","5","1","4","1") = "6"
    & skf21("2","1","7","2","5","1","5","1") = "6"
    & skf21("2","1","7","2","5","1","6","1") = "6"
    & skf21("2","1","7","2","5","1","7","1") = "6"
    & skf21("2","1","7","2","5","2","1","1") = "6"
    & skf21("2","1","7","2","5","2","2","1") = "6"
    & skf21("2","1","7","2","5","2","3","1") = "6"
    & skf21("2","1","7","2","5","2","4","1") = "6"
    & skf21("2","1","7","2","5","2","5","1") = "6"
    & skf21("2","1","7","2","5","2","6","1") = "6"
    & skf21("2","1","7","2","5","2","7","1") = "6"
    & skf21("2","1","7","2","5","3","1","1") = "6"
    & skf21("2","1","7","2","5","3","2","1") = "6"
    & skf21("2","1","7","2","5","3","3","1") = "6"
    & skf21("2","1","7","2","5","3","4","1") = "6"
    & skf21("2","1","7","2","5","3","5","1") = "6"
    & skf21("2","1","7","2","5","3","6","1") = "6"
    & skf21("2","1","7","2","5","3","7","1") = "6"
    & skf21("2","1","7","2","5","4","1","1") = "6"
    & skf21("2","1","7","2","5","4","2","1") = "6"
    & skf21("2","1","7","2","5","4","3","1") = "6"
    & skf21("2","1","7","2","5","4","4","1") = "6"
    & skf21("2","1","7","2","5","4","5","1") = "6"
    & skf21("2","1","7","2","5","4","6","1") = "6"
    & skf21("2","1","7","2","5","4","7","1") = "6"
    & skf21("2","1","7","2","5","5","1","1") = "6"
    & skf21("2","1","7","2","5","5","2","1") = "6"
    & skf21("2","1","7","2","5","5","3","1") = "6"
    & skf21("2","1","7","2","5","5","4","1") = "6"
    & skf21("2","1","7","2","5","5","5","1") = "6"
    & skf21("2","1","7","2","5","5","6","1") = "6"
    & skf21("2","1","7","2","5","5","7","1") = "6"
    & skf21("2","1","7","2","5","6","1","1") = "6"
    & skf21("2","1","7","2","5","6","2","1") = "6"
    & skf21("2","1","7","2","5","6","3","1") = "6"
    & skf21("2","1","7","2","5","6","4","1") = "6"
    & skf21("2","1","7","2","5","6","5","1") = "6"
    & skf21("2","1","7","2","5","6","6","1") = "6"
    & skf21("2","1","7","2","5","6","7","1") = "6"
    & skf21("2","1","7","2","5","7","1","1") = "6"
    & skf21("2","1","7","2","5","7","2","1") = "6"
    & skf21("2","1","7","2","5","7","3","1") = "6"
    & skf21("2","1","7","2","5","7","4","1") = "6"
    & skf21("2","1","7","2","5","7","5","1") = "6"
    & skf21("2","1","7","2","5","7","6","1") = "6"
    & skf21("2","1","7","2","5","7","7","1") = "6"
    & skf21("2","1","7","2","6","1","1","1") = "6"
    & skf21("2","1","7","2","6","1","2","1") = "6"
    & skf21("2","1","7","2","6","1","3","1") = "6"
    & skf21("2","1","7","2","6","1","4","1") = "6"
    & skf21("2","1","7","2","6","1","5","1") = "6"
    & skf21("2","1","7","2","6","1","6","1") = "6"
    & skf21("2","1","7","2","6","1","7","1") = "6"
    & skf21("2","1","7","2","6","2","1","1") = "6"
    & skf21("2","1","7","2","6","2","2","1") = "6"
    & skf21("2","1","7","2","6","2","3","1") = "6"
    & skf21("2","1","7","2","6","2","4","1") = "6"
    & skf21("2","1","7","2","6","2","5","1") = "6"
    & skf21("2","1","7","2","6","2","6","1") = "6"
    & skf21("2","1","7","2","6","2","7","1") = "6"
    & skf21("2","1","7","2","6","3","1","1") = "6"
    & skf21("2","1","7","2","6","3","2","1") = "6"
    & skf21("2","1","7","2","6","3","3","1") = "6"
    & skf21("2","1","7","2","6","3","4","1") = "6"
    & skf21("2","1","7","2","6","3","5","1") = "6"
    & skf21("2","1","7","2","6","3","6","1") = "6"
    & skf21("2","1","7","2","6","3","7","1") = "6"
    & skf21("2","1","7","2","6","4","1","1") = "6"
    & skf21("2","1","7","2","6","4","2","1") = "6"
    & skf21("2","1","7","2","6","4","3","1") = "6"
    & skf21("2","1","7","2","6","4","4","1") = "6"
    & skf21("2","1","7","2","6","4","5","1") = "6"
    & skf21("2","1","7","2","6","4","6","1") = "6"
    & skf21("2","1","7","2","6","4","7","1") = "6"
    & skf21("2","1","7","2","6","5","1","1") = "6"
    & skf21("2","1","7","2","6","5","2","1") = "6"
    & skf21("2","1","7","2","6","5","3","1") = "6"
    & skf21("2","1","7","2","6","5","4","1") = "6"
    & skf21("2","1","7","2","6","5","5","1") = "6"
    & skf21("2","1","7","2","6","5","6","1") = "6"
    & skf21("2","1","7","2","6","5","7","1") = "6"
    & skf21("2","1","7","2","6","6","1","1") = "6"
    & skf21("2","1","7","2","6","6","2","1") = "6"
    & skf21("2","1","7","2","6","6","3","1") = "6"
    & skf21("2","1","7","2","6","6","4","1") = "6"
    & skf21("2","1","7","2","6","6","5","1") = "6"
    & skf21("2","1","7","2","6","6","6","1") = "6"
    & skf21("2","1","7","2","6","6","7","1") = "6"
    & skf21("2","1","7","2","6","7","1","1") = "6"
    & skf21("2","1","7","2","6","7","2","1") = "6"
    & skf21("2","1","7","2","6","7","3","1") = "6"
    & skf21("2","1","7","2","6","7","4","1") = "6"
    & skf21("2","1","7","2","6","7","5","1") = "6"
    & skf21("2","1","7","2","6","7","6","1") = "6"
    & skf21("2","1","7","2","6","7","7","1") = "6"
    & skf21("2","1","7","2","7","1","1","1") = "6"
    & skf21("2","1","7","2","7","1","2","1") = "6"
    & skf21("2","1","7","2","7","1","3","1") = "6"
    & skf21("2","1","7","2","7","1","4","1") = "6"
    & skf21("2","1","7","2","7","1","5","1") = "6"
    & skf21("2","1","7","2","7","1","6","1") = "6"
    & skf21("2","1","7","2","7","1","7","1") = "6"
    & skf21("2","1","7","2","7","2","1","1") = "6"
    & skf21("2","1","7","2","7","2","2","1") = "6"
    & skf21("2","1","7","2","7","2","3","1") = "6"
    & skf21("2","1","7","2","7","2","4","1") = "6"
    & skf21("2","1","7","2","7","2","5","1") = "6"
    & skf21("2","1","7","2","7","2","6","1") = "6"
    & skf21("2","1","7","2","7","2","7","1") = "6"
    & skf21("2","1","7","2","7","3","1","1") = "6"
    & skf21("2","1","7","2","7","3","2","1") = "6"
    & skf21("2","1","7","2","7","3","3","1") = "6"
    & skf21("2","1","7","2","7","3","4","1") = "6"
    & skf21("2","1","7","2","7","3","5","1") = "6"
    & skf21("2","1","7","2","7","3","6","1") = "6"
    & skf21("2","1","7","2","7","3","7","1") = "6"
    & skf21("2","1","7","2","7","4","1","1") = "6"
    & skf21("2","1","7","2","7","4","2","1") = "6"
    & skf21("2","1","7","2","7","4","3","1") = "6"
    & skf21("2","1","7","2","7","4","4","1") = "6"
    & skf21("2","1","7","2","7","4","5","1") = "6"
    & skf21("2","1","7","2","7","4","6","1") = "6"
    & skf21("2","1","7","2","7","4","7","1") = "6"
    & skf21("2","1","7","2","7","5","1","1") = "6"
    & skf21("2","1","7","2","7","5","2","1") = "6"
    & skf21("2","1","7","2","7","5","3","1") = "6"
    & skf21("2","1","7","2","7","5","4","1") = "6"
    & skf21("2","1","7","2","7","5","5","1") = "6"
    & skf21("2","1","7","2","7","5","6","1") = "6"
    & skf21("2","1","7","2","7","5","7","1") = "6"
    & skf21("2","1","7","2","7","6","1","1") = "6"
    & skf21("2","1","7","2","7","6","2","1") = "6"
    & skf21("2","1","7","2","7","6","3","1") = "6"
    & skf21("2","1","7","2","7","6","4","1") = "6"
    & skf21("2","1","7","2","7","6","5","1") = "6"
    & skf21("2","1","7","2","7","6","6","1") = "6"
    & skf21("2","1","7","2","7","6","7","1") = "6"
    & skf21("2","1","7","2","7","7","1","1") = "6"
    & skf21("2","1","7","2","7","7","2","1") = "6"
    & skf21("2","1","7","2","7","7","3","1") = "6"
    & skf21("2","1","7","2","7","7","4","1") = "6"
    & skf21("2","1","7","2","7","7","5","1") = "6"
    & skf21("2","1","7","2","7","7","6","1") = "6"
    & skf21("2","1","7","2","7","7","7","1") = "6"
    & skf21("2","1","7","3","1","1","1","1") = "6"
    & skf21("2","1","7","3","1","1","2","1") = "6"
    & skf21("2","1","7","3","1","1","3","1") = "6"
    & skf21("2","1","7","3","1","1","4","1") = "6"
    & skf21("2","1","7","3","1","1","5","1") = "6"
    & skf21("2","1","7","3","1","1","6","1") = "6"
    & skf21("2","1","7","3","1","1","7","1") = "6"
    & skf21("2","1","7","3","1","2","1","1") = "6"
    & skf21("2","1","7","3","1","2","2","1") = "6"
    & skf21("2","1","7","3","1","2","3","1") = "6"
    & skf21("2","1","7","3","1","2","4","1") = "6"
    & skf21("2","1","7","3","1","2","5","1") = "6"
    & skf21("2","1","7","3","1","2","6","1") = "6"
    & skf21("2","1","7","3","1","2","7","1") = "6"
    & skf21("2","1","7","3","1","3","1","1") = "6"
    & skf21("2","1","7","3","1","3","2","1") = "6"
    & skf21("2","1","7","3","1","3","3","1") = "6"
    & skf21("2","1","7","3","1","3","4","1") = "6"
    & skf21("2","1","7","3","1","3","5","1") = "6"
    & skf21("2","1","7","3","1","3","6","1") = "6"
    & skf21("2","1","7","3","1","3","7","1") = "6"
    & skf21("2","1","7","3","1","4","1","1") = "6"
    & skf21("2","1","7","3","1","4","2","1") = "6"
    & skf21("2","1","7","3","1","4","3","1") = "6"
    & skf21("2","1","7","3","1","4","4","1") = "6"
    & skf21("2","1","7","3","1","4","5","1") = "6"
    & skf21("2","1","7","3","1","4","6","1") = "6"
    & skf21("2","1","7","3","1","4","7","1") = "6"
    & skf21("2","1","7","3","1","5","1","1") = "6"
    & skf21("2","1","7","3","1","5","2","1") = "6"
    & skf21("2","1","7","3","1","5","3","1") = "6"
    & skf21("2","1","7","3","1","5","4","1") = "6"
    & skf21("2","1","7","3","1","5","5","1") = "6"
    & skf21("2","1","7","3","1","5","6","1") = "6"
    & skf21("2","1","7","3","1","5","7","1") = "6"
    & skf21("2","1","7","3","1","6","1","1") = "6"
    & skf21("2","1","7","3","1","6","2","1") = "6"
    & skf21("2","1","7","3","1","6","3","1") = "6"
    & skf21("2","1","7","3","1","6","4","1") = "6"
    & skf21("2","1","7","3","1","6","5","1") = "6"
    & skf21("2","1","7","3","1","6","6","1") = "6"
    & skf21("2","1","7","3","1","6","7","1") = "6"
    & skf21("2","1","7","3","1","7","1","1") = "6"
    & skf21("2","1","7","3","1","7","2","1") = "6"
    & skf21("2","1","7","3","1","7","3","1") = "6"
    & skf21("2","1","7","3","1","7","4","1") = "6"
    & skf21("2","1","7","3","1","7","5","1") = "6"
    & skf21("2","1","7","3","1","7","6","1") = "6"
    & skf21("2","1","7","3","1","7","7","1") = "6"
    & skf21("2","1","7","3","2","1","1","1") = "6"
    & skf21("2","1","7","3","2","1","2","1") = "6"
    & skf21("2","1","7","3","2","1","3","1") = "6"
    & skf21("2","1","7","3","2","1","4","1") = "6"
    & skf21("2","1","7","3","2","1","5","1") = "6"
    & skf21("2","1","7","3","2","1","6","1") = "6"
    & skf21("2","1","7","3","2","1","7","1") = "6"
    & skf21("2","1","7","3","2","2","1","1") = "6"
    & skf21("2","1","7","3","2","2","2","1") = "6"
    & skf21("2","1","7","3","2","2","3","1") = "6"
    & skf21("2","1","7","3","2","2","4","1") = "6"
    & skf21("2","1","7","3","2","2","5","1") = "6"
    & skf21("2","1","7","3","2","2","6","1") = "6"
    & skf21("2","1","7","3","2","2","7","1") = "6"
    & skf21("2","1","7","3","2","3","1","1") = "6"
    & skf21("2","1","7","3","2","3","2","1") = "6"
    & skf21("2","1","7","3","2","3","3","1") = "6"
    & skf21("2","1","7","3","2","3","4","1") = "6"
    & skf21("2","1","7","3","2","3","5","1") = "6"
    & skf21("2","1","7","3","2","3","6","1") = "6"
    & skf21("2","1","7","3","2","3","7","1") = "6"
    & skf21("2","1","7","3","2","4","1","1") = "6"
    & skf21("2","1","7","3","2","4","2","1") = "6"
    & skf21("2","1","7","3","2","4","3","1") = "6"
    & skf21("2","1","7","3","2","4","4","1") = "6"
    & skf21("2","1","7","3","2","4","5","1") = "6"
    & skf21("2","1","7","3","2","4","6","1") = "6"
    & skf21("2","1","7","3","2","4","7","1") = "6"
    & skf21("2","1","7","3","2","5","1","1") = "6"
    & skf21("2","1","7","3","2","5","2","1") = "6"
    & skf21("2","1","7","3","2","5","3","1") = "6"
    & skf21("2","1","7","3","2","5","4","1") = "6"
    & skf21("2","1","7","3","2","5","5","1") = "6"
    & skf21("2","1","7","3","2","5","6","1") = "6"
    & skf21("2","1","7","3","2","5","7","1") = "6"
    & skf21("2","1","7","3","2","6","1","1") = "6"
    & skf21("2","1","7","3","2","6","2","1") = "6"
    & skf21("2","1","7","3","2","6","3","1") = "6"
    & skf21("2","1","7","3","2","6","4","1") = "6"
    & skf21("2","1","7","3","2","6","5","1") = "6"
    & skf21("2","1","7","3","2","6","6","1") = "6"
    & skf21("2","1","7","3","2","6","7","1") = "6"
    & skf21("2","1","7","3","2","7","1","1") = "6"
    & skf21("2","1","7","3","2","7","2","1") = "6"
    & skf21("2","1","7","3","2","7","3","1") = "6"
    & skf21("2","1","7","3","2","7","4","1") = "6"
    & skf21("2","1","7","3","2","7","5","1") = "6"
    & skf21("2","1","7","3","2","7","6","1") = "6"
    & skf21("2","1","7","3","2","7","7","1") = "6"
    & skf21("2","1","7","3","3","1","1","1") = "6"
    & skf21("2","1","7","3","3","1","2","1") = "6"
    & skf21("2","1","7","3","3","1","3","1") = "6"
    & skf21("2","1","7","3","3","1","4","1") = "6"
    & skf21("2","1","7","3","3","1","5","1") = "6"
    & skf21("2","1","7","3","3","1","6","1") = "6"
    & skf21("2","1","7","3","3","1","7","1") = "6"
    & skf21("2","1","7","3","3","2","1","1") = "6"
    & skf21("2","1","7","3","3","2","2","1") = "6"
    & skf21("2","1","7","3","3","2","3","1") = "6"
    & skf21("2","1","7","3","3","2","4","1") = "6"
    & skf21("2","1","7","3","3","2","5","1") = "6"
    & skf21("2","1","7","3","3","2","6","1") = "6"
    & skf21("2","1","7","3","3","2","7","1") = "6"
    & skf21("2","1","7","3","3","3","1","1") = "6"
    & skf21("2","1","7","3","3","3","2","1") = "6"
    & skf21("2","1","7","3","3","3","3","1") = "6"
    & skf21("2","1","7","3","3","3","4","1") = "6"
    & skf21("2","1","7","3","3","3","5","1") = "6"
    & skf21("2","1","7","3","3","3","6","1") = "6"
    & skf21("2","1","7","3","3","3","7","1") = "6"
    & skf21("2","1","7","3","3","4","1","1") = "6"
    & skf21("2","1","7","3","3","4","2","1") = "6"
    & skf21("2","1","7","3","3","4","3","1") = "6"
    & skf21("2","1","7","3","3","4","4","1") = "6"
    & skf21("2","1","7","3","3","4","5","1") = "6"
    & skf21("2","1","7","3","3","4","6","1") = "6"
    & skf21("2","1","7","3","3","4","7","1") = "6"
    & skf21("2","1","7","3","3","5","1","1") = "6"
    & skf21("2","1","7","3","3","5","2","1") = "6"
    & skf21("2","1","7","3","3","5","3","1") = "6"
    & skf21("2","1","7","3","3","5","4","1") = "6"
    & skf21("2","1","7","3","3","5","5","1") = "6"
    & skf21("2","1","7","3","3","5","6","1") = "6"
    & skf21("2","1","7","3","3","5","7","1") = "6"
    & skf21("2","1","7","3","3","6","1","1") = "6"
    & skf21("2","1","7","3","3","6","2","1") = "6"
    & skf21("2","1","7","3","3","6","3","1") = "6"
    & skf21("2","1","7","3","3","6","4","1") = "6"
    & skf21("2","1","7","3","3","6","5","1") = "6"
    & skf21("2","1","7","3","3","6","6","1") = "6"
    & skf21("2","1","7","3","3","6","7","1") = "6"
    & skf21("2","1","7","3","3","7","1","1") = "6"
    & skf21("2","1","7","3","3","7","2","1") = "6"
    & skf21("2","1","7","3","3","7","3","1") = "6"
    & skf21("2","1","7","3","3","7","4","1") = "6"
    & skf21("2","1","7","3","3","7","5","1") = "6"
    & skf21("2","1","7","3","3","7","6","1") = "6"
    & skf21("2","1","7","3","3","7","7","1") = "6"
    & skf21("2","1","7","3","4","1","1","1") = "6"
    & skf21("2","1","7","3","4","1","2","1") = "6"
    & skf21("2","1","7","3","4","1","3","1") = "6"
    & skf21("2","1","7","3","4","1","4","1") = "6"
    & skf21("2","1","7","3","4","1","5","1") = "6"
    & skf21("2","1","7","3","4","1","6","1") = "6"
    & skf21("2","1","7","3","4","1","7","1") = "6"
    & skf21("2","1","7","3","4","2","1","1") = "6"
    & skf21("2","1","7","3","4","2","2","1") = "6"
    & skf21("2","1","7","3","4","2","3","1") = "6"
    & skf21("2","1","7","3","4","2","4","1") = "6"
    & skf21("2","1","7","3","4","2","5","1") = "6"
    & skf21("2","1","7","3","4","2","6","1") = "6"
    & skf21("2","1","7","3","4","2","7","1") = "6"
    & skf21("2","1","7","3","4","3","1","1") = "6"
    & skf21("2","1","7","3","4","3","2","1") = "6"
    & skf21("2","1","7","3","4","3","3","1") = "6"
    & skf21("2","1","7","3","4","3","4","1") = "6"
    & skf21("2","1","7","3","4","3","5","1") = "6"
    & skf21("2","1","7","3","4","3","6","1") = "6"
    & skf21("2","1","7","3","4","3","7","1") = "6"
    & skf21("2","1","7","3","4","4","1","1") = "6"
    & skf21("2","1","7","3","4","4","2","1") = "6"
    & skf21("2","1","7","3","4","4","3","1") = "6"
    & skf21("2","1","7","3","4","4","4","1") = "6"
    & skf21("2","1","7","3","4","4","5","1") = "6"
    & skf21("2","1","7","3","4","4","6","1") = "6"
    & skf21("2","1","7","3","4","4","7","1") = "6"
    & skf21("2","1","7","3","4","5","1","1") = "6"
    & skf21("2","1","7","3","4","5","2","1") = "6"
    & skf21("2","1","7","3","4","5","3","1") = "6"
    & skf21("2","1","7","3","4","5","4","1") = "6"
    & skf21("2","1","7","3","4","5","5","1") = "6"
    & skf21("2","1","7","3","4","5","6","1") = "6"
    & skf21("2","1","7","3","4","5","7","1") = "6"
    & skf21("2","1","7","3","4","6","1","1") = "6"
    & skf21("2","1","7","3","4","6","2","1") = "6"
    & skf21("2","1","7","3","4","6","3","1") = "6"
    & skf21("2","1","7","3","4","6","4","1") = "6"
    & skf21("2","1","7","3","4","6","5","1") = "6"
    & skf21("2","1","7","3","4","6","6","1") = "6"
    & skf21("2","1","7","3","4","6","7","1") = "6"
    & skf21("2","1","7","3","4","7","1","1") = "6"
    & skf21("2","1","7","3","4","7","2","1") = "6"
    & skf21("2","1","7","3","4","7","3","1") = "6"
    & skf21("2","1","7","3","4","7","4","1") = "6"
    & skf21("2","1","7","3","4","7","5","1") = "6"
    & skf21("2","1","7","3","4","7","6","1") = "6"
    & skf21("2","1","7","3","4","7","7","1") = "6"
    & skf21("2","1","7","3","5","1","1","1") = "6"
    & skf21("2","1","7","3","5","1","2","1") = "6"
    & skf21("2","1","7","3","5","1","3","1") = "6"
    & skf21("2","1","7","3","5","1","4","1") = "6"
    & skf21("2","1","7","3","5","1","5","1") = "6"
    & skf21("2","1","7","3","5","1","6","1") = "6"
    & skf21("2","1","7","3","5","1","7","1") = "6"
    & skf21("2","1","7","3","5","2","1","1") = "6"
    & skf21("2","1","7","3","5","2","2","1") = "6"
    & skf21("2","1","7","3","5","2","3","1") = "6"
    & skf21("2","1","7","3","5","2","4","1") = "6"
    & skf21("2","1","7","3","5","2","5","1") = "6"
    & skf21("2","1","7","3","5","2","6","1") = "6"
    & skf21("2","1","7","3","5","2","7","1") = "6"
    & skf21("2","1","7","3","5","3","1","1") = "6"
    & skf21("2","1","7","3","5","3","2","1") = "6"
    & skf21("2","1","7","3","5","3","3","1") = "6"
    & skf21("2","1","7","3","5","3","4","1") = "6"
    & skf21("2","1","7","3","5","3","5","1") = "6"
    & skf21("2","1","7","3","5","3","6","1") = "6"
    & skf21("2","1","7","3","5","3","7","1") = "6"
    & skf21("2","1","7","3","5","4","1","1") = "6"
    & skf21("2","1","7","3","5","4","2","1") = "6"
    & skf21("2","1","7","3","5","4","3","1") = "6"
    & skf21("2","1","7","3","5","4","4","1") = "6"
    & skf21("2","1","7","3","5","4","5","1") = "6"
    & skf21("2","1","7","3","5","4","6","1") = "6"
    & skf21("2","1","7","3","5","4","7","1") = "6"
    & skf21("2","1","7","3","5","5","1","1") = "6"
    & skf21("2","1","7","3","5","5","2","1") = "6"
    & skf21("2","1","7","3","5","5","3","1") = "6"
    & skf21("2","1","7","3","5","5","4","1") = "6"
    & skf21("2","1","7","3","5","5","5","1") = "6"
    & skf21("2","1","7","3","5","5","6","1") = "6"
    & skf21("2","1","7","3","5","5","7","1") = "6"
    & skf21("2","1","7","3","5","6","1","1") = "6"
    & skf21("2","1","7","3","5","6","2","1") = "6"
    & skf21("2","1","7","3","5","6","3","1") = "6"
    & skf21("2","1","7","3","5","6","4","1") = "6"
    & skf21("2","1","7","3","5","6","5","1") = "6"
    & skf21("2","1","7","3","5","6","6","1") = "6"
    & skf21("2","1","7","3","5","6","7","1") = "6"
    & skf21("2","1","7","3","5","7","1","1") = "6"
    & skf21("2","1","7","3","5","7","2","1") = "6"
    & skf21("2","1","7","3","5","7","3","1") = "6"
    & skf21("2","1","7","3","5","7","4","1") = "6"
    & skf21("2","1","7","3","5","7","5","1") = "6"
    & skf21("2","1","7","3","5","7","6","1") = "6"
    & skf21("2","1","7","3","5","7","7","1") = "6"
    & skf21("2","1","7","3","6","1","1","1") = "6"
    & skf21("2","1","7","3","6","1","2","1") = "6"
    & skf21("2","1","7","3","6","1","3","1") = "6"
    & skf21("2","1","7","3","6","1","4","1") = "6"
    & skf21("2","1","7","3","6","1","5","1") = "6"
    & skf21("2","1","7","3","6","1","6","1") = "6"
    & skf21("2","1","7","3","6","1","7","1") = "6"
    & skf21("2","1","7","3","6","2","1","1") = "6"
    & skf21("2","1","7","3","6","2","2","1") = "6"
    & skf21("2","1","7","3","6","2","3","1") = "6"
    & skf21("2","1","7","3","6","2","4","1") = "6"
    & skf21("2","1","7","3","6","2","5","1") = "6"
    & skf21("2","1","7","3","6","2","6","1") = "6"
    & skf21("2","1","7","3","6","2","7","1") = "6"
    & skf21("2","1","7","3","6","3","1","1") = "6"
    & skf21("2","1","7","3","6","3","2","1") = "6"
    & skf21("2","1","7","3","6","3","3","1") = "6"
    & skf21("2","1","7","3","6","3","4","1") = "6"
    & skf21("2","1","7","3","6","3","5","1") = "6"
    & skf21("2","1","7","3","6","3","6","1") = "6"
    & skf21("2","1","7","3","6","3","7","1") = "6"
    & skf21("2","1","7","3","6","4","1","1") = "6"
    & skf21("2","1","7","3","6","4","2","1") = "6"
    & skf21("2","1","7","3","6","4","3","1") = "6"
    & skf21("2","1","7","3","6","4","4","1") = "6"
    & skf21("2","1","7","3","6","4","5","1") = "6"
    & skf21("2","1","7","3","6","4","6","1") = "6"
    & skf21("2","1","7","3","6","4","7","1") = "6"
    & skf21("2","1","7","3","6","5","1","1") = "6"
    & skf21("2","1","7","3","6","5","2","1") = "6"
    & skf21("2","1","7","3","6","5","3","1") = "6"
    & skf21("2","1","7","3","6","5","4","1") = "6"
    & skf21("2","1","7","3","6","5","5","1") = "6"
    & skf21("2","1","7","3","6","5","6","1") = "6"
    & skf21("2","1","7","3","6","5","7","1") = "6"
    & skf21("2","1","7","3","6","6","1","1") = "6"
    & skf21("2","1","7","3","6","6","2","1") = "6"
    & skf21("2","1","7","3","6","6","3","1") = "6"
    & skf21("2","1","7","3","6","6","4","1") = "6"
    & skf21("2","1","7","3","6","6","5","1") = "6"
    & skf21("2","1","7","3","6","6","6","1") = "6"
    & skf21("2","1","7","3","6","6","7","1") = "6"
    & skf21("2","1","7","3","6","7","1","1") = "6"
    & skf21("2","1","7","3","6","7","2","1") = "6"
    & skf21("2","1","7","3","6","7","3","1") = "6"
    & skf21("2","1","7","3","6","7","4","1") = "6"
    & skf21("2","1","7","3","6","7","5","1") = "6"
    & skf21("2","1","7","3","6","7","6","1") = "6"
    & skf21("2","1","7","3","6","7","7","1") = "6"
    & skf21("2","1","7","3","7","1","1","1") = "6"
    & skf21("2","1","7","3","7","1","2","1") = "6"
    & skf21("2","1","7","3","7","1","3","1") = "6"
    & skf21("2","1","7","3","7","1","4","1") = "6"
    & skf21("2","1","7","3","7","1","5","1") = "6"
    & skf21("2","1","7","3","7","1","6","1") = "6"
    & skf21("2","1","7","3","7","1","7","1") = "6"
    & skf21("2","1","7","3","7","2","1","1") = "6"
    & skf21("2","1","7","3","7","2","2","1") = "6"
    & skf21("2","1","7","3","7","2","3","1") = "6"
    & skf21("2","1","7","3","7","2","4","1") = "6"
    & skf21("2","1","7","3","7","2","5","1") = "6"
    & skf21("2","1","7","3","7","2","6","1") = "6"
    & skf21("2","1","7","3","7","2","7","1") = "6"
    & skf21("2","1","7","3","7","3","1","1") = "6"
    & skf21("2","1","7","3","7","3","2","1") = "6"
    & skf21("2","1","7","3","7","3","3","1") = "6"
    & skf21("2","1","7","3","7","3","4","1") = "6"
    & skf21("2","1","7","3","7","3","5","1") = "6"
    & skf21("2","1","7","3","7","3","6","1") = "6"
    & skf21("2","1","7","3","7","3","7","1") = "6"
    & skf21("2","1","7","3","7","4","1","1") = "6"
    & skf21("2","1","7","3","7","4","2","1") = "6"
    & skf21("2","1","7","3","7","4","3","1") = "6"
    & skf21("2","1","7","3","7","4","4","1") = "6"
    & skf21("2","1","7","3","7","4","5","1") = "6"
    & skf21("2","1","7","3","7","4","6","1") = "6"
    & skf21("2","1","7","3","7","4","7","1") = "6"
    & skf21("2","1","7","3","7","5","1","1") = "6"
    & skf21("2","1","7","3","7","5","2","1") = "6"
    & skf21("2","1","7","3","7","5","3","1") = "6"
    & skf21("2","1","7","3","7","5","4","1") = "6"
    & skf21("2","1","7","3","7","5","5","1") = "6"
    & skf21("2","1","7","3","7","5","6","1") = "6"
    & skf21("2","1","7","3","7","5","7","1") = "6"
    & skf21("2","1","7","3","7","6","1","1") = "6"
    & skf21("2","1","7","3","7","6","2","1") = "6"
    & skf21("2","1","7","3","7","6","3","1") = "6"
    & skf21("2","1","7","3","7","6","4","1") = "6"
    & skf21("2","1","7","3","7","6","5","1") = "6"
    & skf21("2","1","7","3","7","6","6","1") = "6"
    & skf21("2","1","7","3","7","6","7","1") = "6"
    & skf21("2","1","7","3","7","7","1","1") = "6"
    & skf21("2","1","7","3","7","7","2","1") = "6"
    & skf21("2","1","7","3","7","7","3","1") = "6"
    & skf21("2","1","7","3","7","7","4","1") = "6"
    & skf21("2","1","7","3","7","7","5","1") = "6"
    & skf21("2","1","7","3","7","7","6","1") = "6"
    & skf21("2","1","7","3","7","7","7","1") = "6"
    & skf21("2","1","7","4","1","1","1","1") = "6"
    & skf21("2","1","7","4","1","1","2","1") = "6"
    & skf21("2","1","7","4","1","1","3","1") = "6"
    & skf21("2","1","7","4","1","1","4","1") = "6"
    & skf21("2","1","7","4","1","1","5","1") = "6"
    & skf21("2","1","7","4","1","1","6","1") = "6"
    & skf21("2","1","7","4","1","1","7","1") = "6"
    & skf21("2","1","7","4","1","2","1","1") = "6"
    & skf21("2","1","7","4","1","2","2","1") = "6"
    & skf21("2","1","7","4","1","2","3","1") = "6"
    & skf21("2","1","7","4","1","2","4","1") = "6"
    & skf21("2","1","7","4","1","2","5","1") = "6"
    & skf21("2","1","7","4","1","2","6","1") = "6"
    & skf21("2","1","7","4","1","2","7","1") = "6"
    & skf21("2","1","7","4","1","3","1","1") = "6"
    & skf21("2","1","7","4","1","3","2","1") = "6"
    & skf21("2","1","7","4","1","3","3","1") = "6"
    & skf21("2","1","7","4","1","3","4","1") = "6"
    & skf21("2","1","7","4","1","3","5","1") = "6"
    & skf21("2","1","7","4","1","3","6","1") = "6"
    & skf21("2","1","7","4","1","3","7","1") = "6"
    & skf21("2","1","7","4","1","4","1","1") = "6"
    & skf21("2","1","7","4","1","4","2","1") = "6"
    & skf21("2","1","7","4","1","4","3","1") = "6"
    & skf21("2","1","7","4","1","4","4","1") = "6"
    & skf21("2","1","7","4","1","4","5","1") = "6"
    & skf21("2","1","7","4","1","4","6","1") = "6"
    & skf21("2","1","7","4","1","4","7","1") = "6"
    & skf21("2","1","7","4","1","5","1","1") = "6"
    & skf21("2","1","7","4","1","5","2","1") = "6"
    & skf21("2","1","7","4","1","5","3","1") = "6"
    & skf21("2","1","7","4","1","5","4","1") = "6"
    & skf21("2","1","7","4","1","5","5","1") = "6"
    & skf21("2","1","7","4","1","5","6","1") = "6"
    & skf21("2","1","7","4","1","5","7","1") = "6"
    & skf21("2","1","7","4","1","6","1","1") = "6"
    & skf21("2","1","7","4","1","6","2","1") = "6"
    & skf21("2","1","7","4","1","6","3","1") = "6"
    & skf21("2","1","7","4","1","6","4","1") = "6"
    & skf21("2","1","7","4","1","6","5","1") = "6"
    & skf21("2","1","7","4","1","6","6","1") = "6"
    & skf21("2","1","7","4","1","6","7","1") = "6"
    & skf21("2","1","7","4","1","7","1","1") = "6"
    & skf21("2","1","7","4","1","7","2","1") = "6"
    & skf21("2","1","7","4","1","7","3","1") = "6"
    & skf21("2","1","7","4","1","7","4","1") = "6"
    & skf21("2","1","7","4","1","7","5","1") = "6"
    & skf21("2","1","7","4","1","7","6","1") = "6"
    & skf21("2","1","7","4","1","7","7","1") = "6"
    & skf21("2","1","7","4","2","1","1","1") = "6"
    & skf21("2","1","7","4","2","1","2","1") = "6"
    & skf21("2","1","7","4","2","1","3","1") = "6"
    & skf21("2","1","7","4","2","1","4","1") = "6"
    & skf21("2","1","7","4","2","1","5","1") = "6"
    & skf21("2","1","7","4","2","1","6","1") = "6"
    & skf21("2","1","7","4","2","1","7","1") = "6"
    & skf21("2","1","7","4","2","2","1","1") = "6"
    & skf21("2","1","7","4","2","2","2","1") = "6"
    & skf21("2","1","7","4","2","2","3","1") = "6"
    & skf21("2","1","7","4","2","2","4","1") = "6"
    & skf21("2","1","7","4","2","2","5","1") = "6"
    & skf21("2","1","7","4","2","2","6","1") = "6"
    & skf21("2","1","7","4","2","2","7","1") = "6"
    & skf21("2","1","7","4","2","3","1","1") = "6"
    & skf21("2","1","7","4","2","3","2","1") = "6"
    & skf21("2","1","7","4","2","3","3","1") = "6"
    & skf21("2","1","7","4","2","3","4","1") = "6"
    & skf21("2","1","7","4","2","3","5","1") = "6"
    & skf21("2","1","7","4","2","3","6","1") = "6"
    & skf21("2","1","7","4","2","3","7","1") = "6"
    & skf21("2","1","7","4","2","4","1","1") = "6"
    & skf21("2","1","7","4","2","4","2","1") = "6"
    & skf21("2","1","7","4","2","4","3","1") = "6"
    & skf21("2","1","7","4","2","4","4","1") = "6"
    & skf21("2","1","7","4","2","4","5","1") = "6"
    & skf21("2","1","7","4","2","4","6","1") = "6"
    & skf21("2","1","7","4","2","4","7","1") = "6"
    & skf21("2","1","7","4","2","5","1","1") = "6"
    & skf21("2","1","7","4","2","5","2","1") = "6"
    & skf21("2","1","7","4","2","5","3","1") = "6"
    & skf21("2","1","7","4","2","5","4","1") = "6"
    & skf21("2","1","7","4","2","5","5","1") = "6"
    & skf21("2","1","7","4","2","5","6","1") = "6"
    & skf21("2","1","7","4","2","5","7","1") = "6"
    & skf21("2","1","7","4","2","6","1","1") = "6"
    & skf21("2","1","7","4","2","6","2","1") = "6"
    & skf21("2","1","7","4","2","6","3","1") = "6"
    & skf21("2","1","7","4","2","6","4","1") = "6"
    & skf21("2","1","7","4","2","6","5","1") = "6"
    & skf21("2","1","7","4","2","6","6","1") = "6"
    & skf21("2","1","7","4","2","6","7","1") = "6"
    & skf21("2","1","7","4","2","7","1","1") = "6"
    & skf21("2","1","7","4","2","7","2","1") = "6"
    & skf21("2","1","7","4","2","7","3","1") = "6"
    & skf21("2","1","7","4","2","7","4","1") = "6"
    & skf21("2","1","7","4","2","7","5","1") = "6"
    & skf21("2","1","7","4","2","7","6","1") = "6"
    & skf21("2","1","7","4","2","7","7","1") = "6"
    & skf21("2","1","7","4","3","1","1","1") = "6"
    & skf21("2","1","7","4","3","1","2","1") = "6"
    & skf21("2","1","7","4","3","1","3","1") = "6"
    & skf21("2","1","7","4","3","1","4","1") = "6"
    & skf21("2","1","7","4","3","1","5","1") = "6"
    & skf21("2","1","7","4","3","1","6","1") = "6"
    & skf21("2","1","7","4","3","1","7","1") = "6"
    & skf21("2","1","7","4","3","2","1","1") = "6"
    & skf21("2","1","7","4","3","2","2","1") = "6"
    & skf21("2","1","7","4","3","2","3","1") = "6"
    & skf21("2","1","7","4","3","2","4","1") = "6"
    & skf21("2","1","7","4","3","2","5","1") = "6"
    & skf21("2","1","7","4","3","2","6","1") = "6"
    & skf21("2","1","7","4","3","2","7","1") = "6"
    & skf21("2","1","7","4","3","3","1","1") = "6"
    & skf21("2","1","7","4","3","3","2","1") = "6"
    & skf21("2","1","7","4","3","3","3","1") = "6"
    & skf21("2","1","7","4","3","3","4","1") = "6"
    & skf21("2","1","7","4","3","3","5","1") = "6"
    & skf21("2","1","7","4","3","3","6","1") = "6"
    & skf21("2","1","7","4","3","3","7","1") = "6"
    & skf21("2","1","7","4","3","4","1","1") = "6"
    & skf21("2","1","7","4","3","4","2","1") = "6"
    & skf21("2","1","7","4","3","4","3","1") = "6"
    & skf21("2","1","7","4","3","4","4","1") = "6"
    & skf21("2","1","7","4","3","4","5","1") = "6"
    & skf21("2","1","7","4","3","4","6","1") = "6"
    & skf21("2","1","7","4","3","4","7","1") = "6"
    & skf21("2","1","7","4","3","5","1","1") = "6"
    & skf21("2","1","7","4","3","5","2","1") = "6"
    & skf21("2","1","7","4","3","5","3","1") = "6"
    & skf21("2","1","7","4","3","5","4","1") = "6"
    & skf21("2","1","7","4","3","5","5","1") = "6"
    & skf21("2","1","7","4","3","5","6","1") = "6"
    & skf21("2","1","7","4","3","5","7","1") = "6"
    & skf21("2","1","7","4","3","6","1","1") = "6"
    & skf21("2","1","7","4","3","6","2","1") = "6"
    & skf21("2","1","7","4","3","6","3","1") = "6"
    & skf21("2","1","7","4","3","6","4","1") = "6"
    & skf21("2","1","7","4","3","6","5","1") = "6"
    & skf21("2","1","7","4","3","6","6","1") = "6"
    & skf21("2","1","7","4","3","6","7","1") = "6"
    & skf21("2","1","7","4","3","7","1","1") = "6"
    & skf21("2","1","7","4","3","7","2","1") = "6"
    & skf21("2","1","7","4","3","7","3","1") = "6"
    & skf21("2","1","7","4","3","7","4","1") = "6"
    & skf21("2","1","7","4","3","7","5","1") = "6"
    & skf21("2","1","7","4","3","7","6","1") = "6"
    & skf21("2","1","7","4","3","7","7","1") = "6"
    & skf21("2","1","7","4","4","1","1","1") = "6"
    & skf21("2","1","7","4","4","1","2","1") = "6"
    & skf21("2","1","7","4","4","1","3","1") = "6"
    & skf21("2","1","7","4","4","1","4","1") = "6"
    & skf21("2","1","7","4","4","1","5","1") = "6"
    & skf21("2","1","7","4","4","1","6","1") = "6"
    & skf21("2","1","7","4","4","1","7","1") = "6"
    & skf21("2","1","7","4","4","2","1","1") = "6"
    & skf21("2","1","7","4","4","2","2","1") = "6"
    & skf21("2","1","7","4","4","2","3","1") = "6"
    & skf21("2","1","7","4","4","2","4","1") = "6"
    & skf21("2","1","7","4","4","2","5","1") = "6"
    & skf21("2","1","7","4","4","2","6","1") = "6"
    & skf21("2","1","7","4","4","2","7","1") = "6"
    & skf21("2","1","7","4","4","3","1","1") = "6"
    & skf21("2","1","7","4","4","3","2","1") = "6"
    & skf21("2","1","7","4","4","3","3","1") = "6"
    & skf21("2","1","7","4","4","3","4","1") = "6"
    & skf21("2","1","7","4","4","3","5","1") = "6"
    & skf21("2","1","7","4","4","3","6","1") = "6"
    & skf21("2","1","7","4","4","3","7","1") = "6"
    & skf21("2","1","7","4","4","4","1","1") = "6"
    & skf21("2","1","7","4","4","4","2","1") = "6"
    & skf21("2","1","7","4","4","4","3","1") = "6"
    & skf21("2","1","7","4","4","4","4","1") = "6"
    & skf21("2","1","7","4","4","4","5","1") = "6"
    & skf21("2","1","7","4","4","4","6","1") = "6"
    & skf21("2","1","7","4","4","4","7","1") = "6"
    & skf21("2","1","7","4","4","5","1","1") = "6"
    & skf21("2","1","7","4","4","5","2","1") = "6"
    & skf21("2","1","7","4","4","5","3","1") = "6"
    & skf21("2","1","7","4","4","5","4","1") = "6"
    & skf21("2","1","7","4","4","5","5","1") = "6"
    & skf21("2","1","7","4","4","5","6","1") = "6"
    & skf21("2","1","7","4","4","5","7","1") = "6"
    & skf21("2","1","7","4","4","6","1","1") = "6"
    & skf21("2","1","7","4","4","6","2","1") = "6"
    & skf21("2","1","7","4","4","6","3","1") = "6"
    & skf21("2","1","7","4","4","6","4","1") = "6"
    & skf21("2","1","7","4","4","6","5","1") = "6"
    & skf21("2","1","7","4","4","6","6","1") = "6"
    & skf21("2","1","7","4","4","6","7","1") = "6"
    & skf21("2","1","7","4","4","7","1","1") = "6"
    & skf21("2","1","7","4","4","7","2","1") = "6"
    & skf21("2","1","7","4","4","7","3","1") = "6"
    & skf21("2","1","7","4","4","7","4","1") = "6"
    & skf21("2","1","7","4","4","7","5","1") = "6"
    & skf21("2","1","7","4","4","7","6","1") = "6"
    & skf21("2","1","7","4","4","7","7","1") = "6"
    & skf21("2","1","7","4","5","1","1","1") = "6"
    & skf21("2","1","7","4","5","1","2","1") = "6"
    & skf21("2","1","7","4","5","1","3","1") = "6"
    & skf21("2","1","7","4","5","1","4","1") = "6"
    & skf21("2","1","7","4","5","1","5","1") = "6"
    & skf21("2","1","7","4","5","1","6","1") = "6"
    & skf21("2","1","7","4","5","1","7","1") = "6"
    & skf21("2","1","7","4","5","2","1","1") = "6"
    & skf21("2","1","7","4","5","2","2","1") = "6"
    & skf21("2","1","7","4","5","2","3","1") = "6"
    & skf21("2","1","7","4","5","2","4","1") = "6"
    & skf21("2","1","7","4","5","2","5","1") = "6"
    & skf21("2","1","7","4","5","2","6","1") = "6"
    & skf21("2","1","7","4","5","2","7","1") = "6"
    & skf21("2","1","7","4","5","3","1","1") = "6"
    & skf21("2","1","7","4","5","3","2","1") = "6"
    & skf21("2","1","7","4","5","3","3","1") = "6"
    & skf21("2","1","7","4","5","3","4","1") = "6"
    & skf21("2","1","7","4","5","3","5","1") = "6"
    & skf21("2","1","7","4","5","3","6","1") = "6"
    & skf21("2","1","7","4","5","3","7","1") = "6"
    & skf21("2","1","7","4","5","4","1","1") = "6"
    & skf21("2","1","7","4","5","4","2","1") = "6"
    & skf21("2","1","7","4","5","4","3","1") = "6"
    & skf21("2","1","7","4","5","4","4","1") = "6"
    & skf21("2","1","7","4","5","4","5","1") = "6"
    & skf21("2","1","7","4","5","4","6","1") = "6"
    & skf21("2","1","7","4","5","4","7","1") = "6"
    & skf21("2","1","7","4","5","5","1","1") = "6"
    & skf21("2","1","7","4","5","5","2","1") = "6"
    & skf21("2","1","7","4","5","5","3","1") = "6"
    & skf21("2","1","7","4","5","5","4","1") = "6"
    & skf21("2","1","7","4","5","5","5","1") = "6"
    & skf21("2","1","7","4","5","5","6","1") = "6"
    & skf21("2","1","7","4","5","5","7","1") = "6"
    & skf21("2","1","7","4","5","6","1","1") = "6"
    & skf21("2","1","7","4","5","6","2","1") = "6"
    & skf21("2","1","7","4","5","6","3","1") = "6"
    & skf21("2","1","7","4","5","6","4","1") = "6"
    & skf21("2","1","7","4","5","6","5","1") = "6"
    & skf21("2","1","7","4","5","6","6","1") = "6"
    & skf21("2","1","7","4","5","6","7","1") = "6"
    & skf21("2","1","7","4","5","7","1","1") = "6"
    & skf21("2","1","7","4","5","7","2","1") = "6"
    & skf21("2","1","7","4","5","7","3","1") = "6"
    & skf21("2","1","7","4","5","7","4","1") = "6"
    & skf21("2","1","7","4","5","7","5","1") = "6"
    & skf21("2","1","7","4","5","7","6","1") = "6"
    & skf21("2","1","7","4","5","7","7","1") = "6"
    & skf21("2","1","7","4","6","1","1","1") = "6"
    & skf21("2","1","7","4","6","1","2","1") = "6"
    & skf21("2","1","7","4","6","1","3","1") = "6"
    & skf21("2","1","7","4","6","1","4","1") = "6"
    & skf21("2","1","7","4","6","1","5","1") = "6"
    & skf21("2","1","7","4","6","1","6","1") = "6"
    & skf21("2","1","7","4","6","1","7","1") = "6"
    & skf21("2","1","7","4","6","2","1","1") = "6"
    & skf21("2","1","7","4","6","2","2","1") = "6"
    & skf21("2","1","7","4","6","2","3","1") = "6"
    & skf21("2","1","7","4","6","2","4","1") = "6"
    & skf21("2","1","7","4","6","2","5","1") = "6"
    & skf21("2","1","7","4","6","2","6","1") = "6"
    & skf21("2","1","7","4","6","2","7","1") = "6"
    & skf21("2","1","7","4","6","3","1","1") = "6"
    & skf21("2","1","7","4","6","3","2","1") = "6"
    & skf21("2","1","7","4","6","3","3","1") = "6"
    & skf21("2","1","7","4","6","3","4","1") = "6"
    & skf21("2","1","7","4","6","3","5","1") = "6"
    & skf21("2","1","7","4","6","3","6","1") = "6"
    & skf21("2","1","7","4","6","3","7","1") = "6"
    & skf21("2","1","7","4","6","4","1","1") = "6"
    & skf21("2","1","7","4","6","4","2","1") = "6"
    & skf21("2","1","7","4","6","4","3","1") = "6"
    & skf21("2","1","7","4","6","4","4","1") = "6"
    & skf21("2","1","7","4","6","4","5","1") = "6"
    & skf21("2","1","7","4","6","4","6","1") = "6"
    & skf21("2","1","7","4","6","4","7","1") = "6"
    & skf21("2","1","7","4","6","5","1","1") = "6"
    & skf21("2","1","7","4","6","5","2","1") = "6"
    & skf21("2","1","7","4","6","5","3","1") = "6"
    & skf21("2","1","7","4","6","5","4","1") = "6"
    & skf21("2","1","7","4","6","5","5","1") = "6"
    & skf21("2","1","7","4","6","5","6","1") = "6"
    & skf21("2","1","7","4","6","5","7","1") = "6"
    & skf21("2","1","7","4","6","6","1","1") = "6"
    & skf21("2","1","7","4","6","6","2","1") = "6"
    & skf21("2","1","7","4","6","6","3","1") = "6"
    & skf21("2","1","7","4","6","6","4","1") = "6"
    & skf21("2","1","7","4","6","6","5","1") = "6"
    & skf21("2","1","7","4","6","6","6","1") = "6"
    & skf21("2","1","7","4","6","6","7","1") = "6"
    & skf21("2","1","7","4","6","7","1","1") = "6"
    & skf21("2","1","7","4","6","7","2","1") = "6"
    & skf21("2","1","7","4","6","7","3","1") = "6"
    & skf21("2","1","7","4","6","7","4","1") = "6"
    & skf21("2","1","7","4","6","7","5","1") = "6"
    & skf21("2","1","7","4","6","7","6","1") = "6"
    & skf21("2","1","7","4","6","7","7","1") = "6"
    & skf21("2","1","7","4","7","1","1","1") = "6"
    & skf21("2","1","7","4","7","1","2","1") = "6"
    & skf21("2","1","7","4","7","1","3","1") = "6"
    & skf21("2","1","7","4","7","1","4","1") = "6"
    & skf21("2","1","7","4","7","1","5","1") = "6"
    & skf21("2","1","7","4","7","1","6","1") = "6"
    & skf21("2","1","7","4","7","1","7","1") = "6"
    & skf21("2","1","7","4","7","2","1","1") = "6"
    & skf21("2","1","7","4","7","2","2","1") = "6"
    & skf21("2","1","7","4","7","2","3","1") = "6"
    & skf21("2","1","7","4","7","2","4","1") = "6"
    & skf21("2","1","7","4","7","2","5","1") = "6"
    & skf21("2","1","7","4","7","2","6","1") = "6"
    & skf21("2","1","7","4","7","2","7","1") = "6"
    & skf21("2","1","7","4","7","3","1","1") = "6"
    & skf21("2","1","7","4","7","3","2","1") = "6"
    & skf21("2","1","7","4","7","3","3","1") = "6"
    & skf21("2","1","7","4","7","3","4","1") = "6"
    & skf21("2","1","7","4","7","3","5","1") = "6"
    & skf21("2","1","7","4","7","3","6","1") = "6"
    & skf21("2","1","7","4","7","3","7","1") = "6"
    & skf21("2","1","7","4","7","4","1","1") = "6"
    & skf21("2","1","7","4","7","4","2","1") = "6"
    & skf21("2","1","7","4","7","4","3","1") = "6"
    & skf21("2","1","7","4","7","4","4","1") = "6"
    & skf21("2","1","7","4","7","4","5","1") = "6"
    & skf21("2","1","7","4","7","4","6","1") = "6"
    & skf21("2","1","7","4","7","4","7","1") = "6"
    & skf21("2","1","7","4","7","5","1","1") = "6"
    & skf21("2","1","7","4","7","5","2","1") = "6"
    & skf21("2","1","7","4","7","5","3","1") = "6"
    & skf21("2","1","7","4","7","5","4","1") = "6"
    & skf21("2","1","7","4","7","5","5","1") = "6"
    & skf21("2","1","7","4","7","5","6","1") = "6"
    & skf21("2","1","7","4","7","5","7","1") = "6"
    & skf21("2","1","7","4","7","6","1","1") = "6"
    & skf21("2","1","7","4","7","6","2","1") = "6"
    & skf21("2","1","7","4","7","6","3","1") = "6"
    & skf21("2","1","7","4","7","6","4","1") = "6"
    & skf21("2","1","7","4","7","6","5","1") = "6"
    & skf21("2","1","7","4","7","6","6","1") = "6"
    & skf21("2","1","7","4","7","6","7","1") = "6"
    & skf21("2","1","7","4","7","7","1","1") = "6"
    & skf21("2","1","7","4","7","7","2","1") = "6"
    & skf21("2","1","7","4","7","7","3","1") = "6"
    & skf21("2","1","7","4","7","7","4","1") = "6"
    & skf21("2","1","7","4","7","7","5","1") = "6"
    & skf21("2","1","7","4","7","7","6","1") = "6"
    & skf21("2","1","7","4","7","7","7","1") = "6"
    & skf21("2","1","7","5","1","1","1","1") = "6"
    & skf21("2","1","7","5","1","1","2","1") = "6"
    & skf21("2","1","7","5","1","1","3","1") = "6"
    & skf21("2","1","7","5","1","1","4","1") = "6"
    & skf21("2","1","7","5","1","1","5","1") = "6"
    & skf21("2","1","7","5","1","1","6","1") = "6"
    & skf21("2","1","7","5","1","1","7","1") = "6"
    & skf21("2","1","7","5","1","2","1","1") = "6"
    & skf21("2","1","7","5","1","2","2","1") = "6"
    & skf21("2","1","7","5","1","2","3","1") = "6"
    & skf21("2","1","7","5","1","2","4","1") = "6"
    & skf21("2","1","7","5","1","2","5","1") = "6"
    & skf21("2","1","7","5","1","2","6","1") = "6"
    & skf21("2","1","7","5","1","2","7","1") = "6"
    & skf21("2","1","7","5","1","3","1","1") = "6"
    & skf21("2","1","7","5","1","3","2","1") = "6"
    & skf21("2","1","7","5","1","3","3","1") = "6"
    & skf21("2","1","7","5","1","3","4","1") = "6"
    & skf21("2","1","7","5","1","3","5","1") = "6"
    & skf21("2","1","7","5","1","3","6","1") = "6"
    & skf21("2","1","7","5","1","3","7","1") = "6"
    & skf21("2","1","7","5","1","4","1","1") = "6"
    & skf21("2","1","7","5","1","4","2","1") = "6"
    & skf21("2","1","7","5","1","4","3","1") = "6"
    & skf21("2","1","7","5","1","4","4","1") = "6"
    & skf21("2","1","7","5","1","4","5","1") = "6"
    & skf21("2","1","7","5","1","4","6","1") = "6"
    & skf21("2","1","7","5","1","4","7","1") = "6"
    & skf21("2","1","7","5","1","5","1","1") = "6"
    & skf21("2","1","7","5","1","5","2","1") = "6"
    & skf21("2","1","7","5","1","5","3","1") = "6"
    & skf21("2","1","7","5","1","5","4","1") = "6"
    & skf21("2","1","7","5","1","5","5","1") = "6"
    & skf21("2","1","7","5","1","5","6","1") = "6"
    & skf21("2","1","7","5","1","5","7","1") = "6"
    & skf21("2","1","7","5","1","6","1","1") = "6"
    & skf21("2","1","7","5","1","6","2","1") = "6"
    & skf21("2","1","7","5","1","6","3","1") = "6"
    & skf21("2","1","7","5","1","6","4","1") = "6"
    & skf21("2","1","7","5","1","6","5","1") = "6"
    & skf21("2","1","7","5","1","6","6","1") = "6"
    & skf21("2","1","7","5","1","6","7","1") = "6"
    & skf21("2","1","7","5","1","7","1","1") = "6"
    & skf21("2","1","7","5","1","7","2","1") = "6"
    & skf21("2","1","7","5","1","7","3","1") = "6"
    & skf21("2","1","7","5","1","7","4","1") = "6"
    & skf21("2","1","7","5","1","7","5","1") = "6"
    & skf21("2","1","7","5","1","7","6","1") = "6"
    & skf21("2","1","7","5","1","7","7","1") = "6"
    & skf21("2","1","7","5","2","1","1","1") = "6"
    & skf21("2","1","7","5","2","1","2","1") = "6"
    & skf21("2","1","7","5","2","1","3","1") = "6"
    & skf21("2","1","7","5","2","1","4","1") = "6"
    & skf21("2","1","7","5","2","1","5","1") = "6"
    & skf21("2","1","7","5","2","1","6","1") = "6"
    & skf21("2","1","7","5","2","1","7","1") = "6"
    & skf21("2","1","7","5","2","2","1","1") = "6"
    & skf21("2","1","7","5","2","2","2","1") = "6"
    & skf21("2","1","7","5","2","2","3","1") = "6"
    & skf21("2","1","7","5","2","2","4","1") = "6"
    & skf21("2","1","7","5","2","2","5","1") = "6"
    & skf21("2","1","7","5","2","2","6","1") = "6"
    & skf21("2","1","7","5","2","2","7","1") = "6"
    & skf21("2","1","7","5","2","3","1","1") = "6"
    & skf21("2","1","7","5","2","3","2","1") = "6"
    & skf21("2","1","7","5","2","3","3","1") = "6"
    & skf21("2","1","7","5","2","3","4","1") = "6"
    & skf21("2","1","7","5","2","3","5","1") = "6"
    & skf21("2","1","7","5","2","3","6","1") = "6"
    & skf21("2","1","7","5","2","3","7","1") = "6"
    & skf21("2","1","7","5","2","4","1","1") = "6"
    & skf21("2","1","7","5","2","4","2","1") = "6"
    & skf21("2","1","7","5","2","4","3","1") = "6"
    & skf21("2","1","7","5","2","4","4","1") = "6"
    & skf21("2","1","7","5","2","4","5","1") = "6"
    & skf21("2","1","7","5","2","4","6","1") = "6"
    & skf21("2","1","7","5","2","4","7","1") = "6"
    & skf21("2","1","7","5","2","5","1","1") = "6"
    & skf21("2","1","7","5","2","5","2","1") = "6"
    & skf21("2","1","7","5","2","5","3","1") = "6"
    & skf21("2","1","7","5","2","5","4","1") = "6"
    & skf21("2","1","7","5","2","5","5","1") = "6"
    & skf21("2","1","7","5","2","5","6","1") = "6"
    & skf21("2","1","7","5","2","5","7","1") = "6"
    & skf21("2","1","7","5","2","6","1","1") = "6"
    & skf21("2","1","7","5","2","6","2","1") = "6"
    & skf21("2","1","7","5","2","6","3","1") = "6"
    & skf21("2","1","7","5","2","6","4","1") = "6"
    & skf21("2","1","7","5","2","6","5","1") = "6"
    & skf21("2","1","7","5","2","6","6","1") = "6"
    & skf21("2","1","7","5","2","6","7","1") = "6"
    & skf21("2","1","7","5","2","7","1","1") = "6"
    & skf21("2","1","7","5","2","7","2","1") = "6"
    & skf21("2","1","7","5","2","7","3","1") = "6"
    & skf21("2","1","7","5","2","7","4","1") = "6"
    & skf21("2","1","7","5","2","7","5","1") = "6"
    & skf21("2","1","7","5","2","7","6","1") = "6"
    & skf21("2","1","7","5","2","7","7","1") = "6"
    & skf21("2","1","7","5","3","1","1","1") = "6"
    & skf21("2","1","7","5","3","1","2","1") = "6"
    & skf21("2","1","7","5","3","1","3","1") = "6"
    & skf21("2","1","7","5","3","1","4","1") = "6"
    & skf21("2","1","7","5","3","1","5","1") = "6"
    & skf21("2","1","7","5","3","1","6","1") = "6"
    & skf21("2","1","7","5","3","1","7","1") = "6"
    & skf21("2","1","7","5","3","2","1","1") = "6"
    & skf21("2","1","7","5","3","2","2","1") = "6"
    & skf21("2","1","7","5","3","2","3","1") = "6"
    & skf21("2","1","7","5","3","2","4","1") = "6"
    & skf21("2","1","7","5","3","2","5","1") = "6"
    & skf21("2","1","7","5","3","2","6","1") = "6"
    & skf21("2","1","7","5","3","2","7","1") = "6"
    & skf21("2","1","7","5","3","3","1","1") = "6"
    & skf21("2","1","7","5","3","3","2","1") = "6"
    & skf21("2","1","7","5","3","3","3","1") = "6"
    & skf21("2","1","7","5","3","3","4","1") = "6"
    & skf21("2","1","7","5","3","3","5","1") = "6"
    & skf21("2","1","7","5","3","3","6","1") = "6"
    & skf21("2","1","7","5","3","3","7","1") = "6"
    & skf21("2","1","7","5","3","4","1","1") = "6"
    & skf21("2","1","7","5","3","4","2","1") = "6"
    & skf21("2","1","7","5","3","4","3","1") = "6"
    & skf21("2","1","7","5","3","4","4","1") = "6"
    & skf21("2","1","7","5","3","4","5","1") = "6"
    & skf21("2","1","7","5","3","4","6","1") = "6"
    & skf21("2","1","7","5","3","4","7","1") = "6"
    & skf21("2","1","7","5","3","5","1","1") = "6"
    & skf21("2","1","7","5","3","5","2","1") = "6"
    & skf21("2","1","7","5","3","5","3","1") = "6"
    & skf21("2","1","7","5","3","5","4","1") = "6"
    & skf21("2","1","7","5","3","5","5","1") = "6"
    & skf21("2","1","7","5","3","5","6","1") = "6"
    & skf21("2","1","7","5","3","5","7","1") = "6"
    & skf21("2","1","7","5","3","6","1","1") = "6"
    & skf21("2","1","7","5","3","6","2","1") = "6"
    & skf21("2","1","7","5","3","6","3","1") = "6"
    & skf21("2","1","7","5","3","6","4","1") = "6"
    & skf21("2","1","7","5","3","6","5","1") = "6"
    & skf21("2","1","7","5","3","6","6","1") = "6"
    & skf21("2","1","7","5","3","6","7","1") = "6"
    & skf21("2","1","7","5","3","7","1","1") = "6"
    & skf21("2","1","7","5","3","7","2","1") = "6"
    & skf21("2","1","7","5","3","7","3","1") = "6"
    & skf21("2","1","7","5","3","7","4","1") = "6"
    & skf21("2","1","7","5","3","7","5","1") = "6"
    & skf21("2","1","7","5","3","7","6","1") = "6"
    & skf21("2","1","7","5","3","7","7","1") = "6"
    & skf21("2","1","7","5","4","1","1","1") = "6"
    & skf21("2","1","7","5","4","1","2","1") = "6"
    & skf21("2","1","7","5","4","1","3","1") = "6"
    & skf21("2","1","7","5","4","1","4","1") = "6"
    & skf21("2","1","7","5","4","1","5","1") = "6"
    & skf21("2","1","7","5","4","1","6","1") = "6"
    & skf21("2","1","7","5","4","1","7","1") = "6"
    & skf21("2","1","7","5","4","2","1","1") = "6"
    & skf21("2","1","7","5","4","2","2","1") = "6"
    & skf21("2","1","7","5","4","2","3","1") = "6"
    & skf21("2","1","7","5","4","2","4","1") = "6"
    & skf21("2","1","7","5","4","2","5","1") = "6"
    & skf21("2","1","7","5","4","2","6","1") = "6"
    & skf21("2","1","7","5","4","2","7","1") = "6"
    & skf21("2","1","7","5","4","3","1","1") = "6"
    & skf21("2","1","7","5","4","3","2","1") = "6"
    & skf21("2","1","7","5","4","3","3","1") = "6"
    & skf21("2","1","7","5","4","3","4","1") = "6"
    & skf21("2","1","7","5","4","3","5","1") = "6"
    & skf21("2","1","7","5","4","3","6","1") = "6"
    & skf21("2","1","7","5","4","3","7","1") = "6"
    & skf21("2","1","7","5","4","4","1","1") = "6"
    & skf21("2","1","7","5","4","4","2","1") = "6"
    & skf21("2","1","7","5","4","4","3","1") = "6"
    & skf21("2","1","7","5","4","4","4","1") = "6"
    & skf21("2","1","7","5","4","4","5","1") = "6"
    & skf21("2","1","7","5","4","4","6","1") = "6"
    & skf21("2","1","7","5","4","4","7","1") = "6"
    & skf21("2","1","7","5","4","5","1","1") = "6"
    & skf21("2","1","7","5","4","5","2","1") = "6"
    & skf21("2","1","7","5","4","5","3","1") = "6"
    & skf21("2","1","7","5","4","5","4","1") = "6"
    & skf21("2","1","7","5","4","5","5","1") = "6"
    & skf21("2","1","7","5","4","5","6","1") = "6"
    & skf21("2","1","7","5","4","5","7","1") = "6"
    & skf21("2","1","7","5","4","6","1","1") = "6"
    & skf21("2","1","7","5","4","6","2","1") = "6"
    & skf21("2","1","7","5","4","6","3","1") = "6"
    & skf21("2","1","7","5","4","6","4","1") = "6"
    & skf21("2","1","7","5","4","6","5","1") = "6"
    & skf21("2","1","7","5","4","6","6","1") = "6"
    & skf21("2","1","7","5","4","6","7","1") = "6"
    & skf21("2","1","7","5","4","7","1","1") = "6"
    & skf21("2","1","7","5","4","7","2","1") = "6"
    & skf21("2","1","7","5","4","7","3","1") = "6"
    & skf21("2","1","7","5","4","7","4","1") = "6"
    & skf21("2","1","7","5","4","7","5","1") = "6"
    & skf21("2","1","7","5","4","7","6","1") = "6"
    & skf21("2","1","7","5","4","7","7","1") = "6"
    & skf21("2","1","7","5","5","1","1","1") = "6"
    & skf21("2","1","7","5","5","1","2","1") = "6"
    & skf21("2","1","7","5","5","1","3","1") = "6"
    & skf21("2","1","7","5","5","1","4","1") = "6"
    & skf21("2","1","7","5","5","1","5","1") = "6"
    & skf21("2","1","7","5","5","1","6","1") = "6"
    & skf21("2","1","7","5","5","1","7","1") = "6"
    & skf21("2","1","7","5","5","2","1","1") = "6"
    & skf21("2","1","7","5","5","2","2","1") = "6"
    & skf21("2","1","7","5","5","2","3","1") = "6"
    & skf21("2","1","7","5","5","2","4","1") = "6"
    & skf21("2","1","7","5","5","2","5","1") = "6"
    & skf21("2","1","7","5","5","2","6","1") = "6"
    & skf21("2","1","7","5","5","2","7","1") = "6"
    & skf21("2","1","7","5","5","3","1","1") = "6"
    & skf21("2","1","7","5","5","3","2","1") = "6"
    & skf21("2","1","7","5","5","3","3","1") = "6"
    & skf21("2","1","7","5","5","3","4","1") = "6"
    & skf21("2","1","7","5","5","3","5","1") = "6"
    & skf21("2","1","7","5","5","3","6","1") = "6"
    & skf21("2","1","7","5","5","3","7","1") = "6"
    & skf21("2","1","7","5","5","4","1","1") = "6"
    & skf21("2","1","7","5","5","4","2","1") = "6"
    & skf21("2","1","7","5","5","4","3","1") = "6"
    & skf21("2","1","7","5","5","4","4","1") = "6"
    & skf21("2","1","7","5","5","4","5","1") = "6"
    & skf21("2","1","7","5","5","4","6","1") = "6"
    & skf21("2","1","7","5","5","4","7","1") = "6"
    & skf21("2","1","7","5","5","5","1","1") = "6"
    & skf21("2","1","7","5","5","5","2","1") = "6"
    & skf21("2","1","7","5","5","5","3","1") = "6"
    & skf21("2","1","7","5","5","5","4","1") = "6"
    & skf21("2","1","7","5","5","5","5","1") = "6"
    & skf21("2","1","7","5","5","5","6","1") = "6"
    & skf21("2","1","7","5","5","5","7","1") = "6"
    & skf21("2","1","7","5","5","6","1","1") = "6"
    & skf21("2","1","7","5","5","6","2","1") = "6"
    & skf21("2","1","7","5","5","6","3","1") = "6"
    & skf21("2","1","7","5","5","6","4","1") = "6"
    & skf21("2","1","7","5","5","6","5","1") = "6"
    & skf21("2","1","7","5","5","6","6","1") = "6"
    & skf21("2","1","7","5","5","6","7","1") = "6"
    & skf21("2","1","7","5","5","7","1","1") = "6"
    & skf21("2","1","7","5","5","7","2","1") = "6"
    & skf21("2","1","7","5","5","7","3","1") = "6"
    & skf21("2","1","7","5","5","7","4","1") = "6"
    & skf21("2","1","7","5","5","7","5","1") = "6"
    & skf21("2","1","7","5","5","7","6","1") = "6"
    & skf21("2","1","7","5","5","7","7","1") = "6"
    & skf21("2","1","7","5","6","1","1","1") = "6"
    & skf21("2","1","7","5","6","1","2","1") = "6"
    & skf21("2","1","7","5","6","1","3","1") = "6"
    & skf21("2","1","7","5","6","1","4","1") = "6"
    & skf21("2","1","7","5","6","1","5","1") = "6"
    & skf21("2","1","7","5","6","1","6","1") = "6"
    & skf21("2","1","7","5","6","1","7","1") = "6"
    & skf21("2","1","7","5","6","2","1","1") = "6"
    & skf21("2","1","7","5","6","2","2","1") = "6"
    & skf21("2","1","7","5","6","2","3","1") = "6"
    & skf21("2","1","7","5","6","2","4","1") = "6"
    & skf21("2","1","7","5","6","2","5","1") = "6"
    & skf21("2","1","7","5","6","2","6","1") = "6"
    & skf21("2","1","7","5","6","2","7","1") = "6"
    & skf21("2","1","7","5","6","3","1","1") = "6"
    & skf21("2","1","7","5","6","3","2","1") = "6"
    & skf21("2","1","7","5","6","3","3","1") = "6"
    & skf21("2","1","7","5","6","3","4","1") = "6"
    & skf21("2","1","7","5","6","3","5","1") = "6"
    & skf21("2","1","7","5","6","3","6","1") = "6"
    & skf21("2","1","7","5","6","3","7","1") = "6"
    & skf21("2","1","7","5","6","4","1","1") = "6"
    & skf21("2","1","7","5","6","4","2","1") = "6"
    & skf21("2","1","7","5","6","4","3","1") = "6"
    & skf21("2","1","7","5","6","4","4","1") = "6"
    & skf21("2","1","7","5","6","4","5","1") = "6"
    & skf21("2","1","7","5","6","4","6","1") = "6"
    & skf21("2","1","7","5","6","4","7","1") = "6"
    & skf21("2","1","7","5","6","5","1","1") = "6"
    & skf21("2","1","7","5","6","5","2","1") = "6"
    & skf21("2","1","7","5","6","5","3","1") = "6"
    & skf21("2","1","7","5","6","5","4","1") = "6"
    & skf21("2","1","7","5","6","5","5","1") = "6"
    & skf21("2","1","7","5","6","5","6","1") = "6"
    & skf21("2","1","7","5","6","5","7","1") = "6"
    & skf21("2","1","7","5","6","6","1","1") = "6"
    & skf21("2","1","7","5","6","6","2","1") = "6"
    & skf21("2","1","7","5","6","6","3","1") = "6"
    & skf21("2","1","7","5","6","6","4","1") = "6"
    & skf21("2","1","7","5","6","6","5","1") = "6"
    & skf21("2","1","7","5","6","6","6","1") = "6"
    & skf21("2","1","7","5","6","6","7","1") = "6"
    & skf21("2","1","7","5","6","7","1","1") = "6"
    & skf21("2","1","7","5","6","7","2","1") = "6"
    & skf21("2","1","7","5","6","7","3","1") = "6"
    & skf21("2","1","7","5","6","7","4","1") = "6"
    & skf21("2","1","7","5","6","7","5","1") = "6"
    & skf21("2","1","7","5","6","7","6","1") = "6"
    & skf21("2","1","7","5","6","7","7","1") = "6"
    & skf21("2","1","7","5","7","1","1","1") = "6"
    & skf21("2","1","7","5","7","1","2","1") = "6"
    & skf21("2","1","7","5","7","1","3","1") = "6"
    & skf21("2","1","7","5","7","1","4","1") = "6"
    & skf21("2","1","7","5","7","1","5","1") = "6"
    & skf21("2","1","7","5","7","1","6","1") = "6"
    & skf21("2","1","7","5","7","1","7","1") = "6"
    & skf21("2","1","7","5","7","2","1","1") = "6"
    & skf21("2","1","7","5","7","2","2","1") = "6"
    & skf21("2","1","7","5","7","2","3","1") = "6"
    & skf21("2","1","7","5","7","2","4","1") = "6"
    & skf21("2","1","7","5","7","2","5","1") = "6"
    & skf21("2","1","7","5","7","2","6","1") = "6"
    & skf21("2","1","7","5","7","2","7","1") = "6"
    & skf21("2","1","7","5","7","3","1","1") = "6"
    & skf21("2","1","7","5","7","3","2","1") = "6"
    & skf21("2","1","7","5","7","3","3","1") = "6"
    & skf21("2","1","7","5","7","3","4","1") = "6"
    & skf21("2","1","7","5","7","3","5","1") = "6"
    & skf21("2","1","7","5","7","3","6","1") = "6"
    & skf21("2","1","7","5","7","3","7","1") = "6"
    & skf21("2","1","7","5","7","4","1","1") = "6"
    & skf21("2","1","7","5","7","4","2","1") = "6"
    & skf21("2","1","7","5","7","4","3","1") = "6"
    & skf21("2","1","7","5","7","4","4","1") = "6"
    & skf21("2","1","7","5","7","4","5","1") = "6"
    & skf21("2","1","7","5","7","4","6","1") = "6"
    & skf21("2","1","7","5","7","4","7","1") = "6"
    & skf21("2","1","7","5","7","5","1","1") = "6"
    & skf21("2","1","7","5","7","5","2","1") = "6"
    & skf21("2","1","7","5","7","5","3","1") = "6"
    & skf21("2","1","7","5","7","5","4","1") = "6"
    & skf21("2","1","7","5","7","5","5","1") = "6"
    & skf21("2","1","7","5","7","5","6","1") = "6"
    & skf21("2","1","7","5","7","5","7","1") = "6"
    & skf21("2","1","7","5","7","6","1","1") = "6"
    & skf21("2","1","7","5","7","6","2","1") = "6"
    & skf21("2","1","7","5","7","6","3","1") = "6"
    & skf21("2","1","7","5","7","6","4","1") = "6"
    & skf21("2","1","7","5","7","6","5","1") = "6"
    & skf21("2","1","7","5","7","6","6","1") = "6"
    & skf21("2","1","7","5","7","6","7","1") = "6"
    & skf21("2","1","7","5","7","7","1","1") = "6"
    & skf21("2","1","7","5","7","7","2","1") = "6"
    & skf21("2","1","7","5","7","7","3","1") = "6"
    & skf21("2","1","7","5","7","7","4","1") = "6"
    & skf21("2","1","7","5","7","7","5","1") = "6"
    & skf21("2","1","7","5","7","7","6","1") = "6"
    & skf21("2","1","7","5","7","7","7","1") = "6"
    & skf21("2","1","7","6","1","1","1","1") = "6"
    & skf21("2","1","7","6","1","1","2","1") = "6"
    & skf21("2","1","7","6","1","1","3","1") = "6"
    & skf21("2","1","7","6","1","1","4","1") = "6"
    & skf21("2","1","7","6","1","1","5","1") = "6"
    & skf21("2","1","7","6","1","1","6","1") = "6"
    & skf21("2","1","7","6","1","1","7","1") = "6"
    & skf21("2","1","7","6","1","2","1","1") = "6"
    & skf21("2","1","7","6","1","2","2","1") = "6"
    & skf21("2","1","7","6","1","2","3","1") = "6"
    & skf21("2","1","7","6","1","2","4","1") = "6"
    & skf21("2","1","7","6","1","2","5","1") = "6"
    & skf21("2","1","7","6","1","2","6","1") = "6"
    & skf21("2","1","7","6","1","2","7","1") = "6"
    & skf21("2","1","7","6","1","3","1","1") = "6"
    & skf21("2","1","7","6","1","3","2","1") = "6"
    & skf21("2","1","7","6","1","3","3","1") = "6"
    & skf21("2","1","7","6","1","3","4","1") = "6"
    & skf21("2","1","7","6","1","3","5","1") = "6"
    & skf21("2","1","7","6","1","3","6","1") = "6"
    & skf21("2","1","7","6","1","3","7","1") = "6"
    & skf21("2","1","7","6","1","4","1","1") = "6"
    & skf21("2","1","7","6","1","4","2","1") = "6"
    & skf21("2","1","7","6","1","4","3","1") = "6"
    & skf21("2","1","7","6","1","4","4","1") = "6"
    & skf21("2","1","7","6","1","4","5","1") = "6"
    & skf21("2","1","7","6","1","4","6","1") = "6"
    & skf21("2","1","7","6","1","4","7","1") = "6"
    & skf21("2","1","7","6","1","5","1","1") = "6"
    & skf21("2","1","7","6","1","5","2","1") = "6"
    & skf21("2","1","7","6","1","5","3","1") = "6"
    & skf21("2","1","7","6","1","5","4","1") = "6"
    & skf21("2","1","7","6","1","5","5","1") = "6"
    & skf21("2","1","7","6","1","5","6","1") = "6"
    & skf21("2","1","7","6","1","5","7","1") = "6"
    & skf21("2","1","7","6","1","6","1","1") = "6"
    & skf21("2","1","7","6","1","6","2","1") = "6"
    & skf21("2","1","7","6","1","6","3","1") = "6"
    & skf21("2","1","7","6","1","6","4","1") = "6"
    & skf21("2","1","7","6","1","6","5","1") = "6"
    & skf21("2","1","7","6","1","6","6","1") = "6"
    & skf21("2","1","7","6","1","6","7","1") = "6"
    & skf21("2","1","7","6","1","7","1","1") = "6"
    & skf21("2","1","7","6","1","7","2","1") = "6"
    & skf21("2","1","7","6","1","7","3","1") = "6"
    & skf21("2","1","7","6","1","7","4","1") = "6"
    & skf21("2","1","7","6","1","7","5","1") = "6"
    & skf21("2","1","7","6","1","7","6","1") = "6"
    & skf21("2","1","7","6","1","7","7","1") = "6"
    & skf21("2","1","7","6","2","1","1","1") = "6"
    & skf21("2","1","7","6","2","1","2","1") = "6"
    & skf21("2","1","7","6","2","1","3","1") = "6"
    & skf21("2","1","7","6","2","1","4","1") = "6"
    & skf21("2","1","7","6","2","1","5","1") = "6"
    & skf21("2","1","7","6","2","1","6","1") = "6"
    & skf21("2","1","7","6","2","1","7","1") = "6"
    & skf21("2","1","7","6","2","2","1","1") = "6"
    & skf21("2","1","7","6","2","2","2","1") = "6"
    & skf21("2","1","7","6","2","2","3","1") = "6"
    & skf21("2","1","7","6","2","2","4","1") = "6"
    & skf21("2","1","7","6","2","2","5","1") = "6"
    & skf21("2","1","7","6","2","2","6","1") = "6"
    & skf21("2","1","7","6","2","2","7","1") = "6"
    & skf21("2","1","7","6","2","3","1","1") = "6"
    & skf21("2","1","7","6","2","3","2","1") = "6"
    & skf21("2","1","7","6","2","3","3","1") = "6"
    & skf21("2","1","7","6","2","3","4","1") = "6"
    & skf21("2","1","7","6","2","3","5","1") = "6"
    & skf21("2","1","7","6","2","3","6","1") = "6"
    & skf21("2","1","7","6","2","3","7","1") = "6"
    & skf21("2","1","7","6","2","4","1","1") = "6"
    & skf21("2","1","7","6","2","4","2","1") = "6"
    & skf21("2","1","7","6","2","4","3","1") = "6"
    & skf21("2","1","7","6","2","4","4","1") = "6"
    & skf21("2","1","7","6","2","4","5","1") = "6"
    & skf21("2","1","7","6","2","4","6","1") = "6"
    & skf21("2","1","7","6","2","4","7","1") = "6"
    & skf21("2","1","7","6","2","5","1","1") = "6"
    & skf21("2","1","7","6","2","5","2","1") = "6"
    & skf21("2","1","7","6","2","5","3","1") = "6"
    & skf21("2","1","7","6","2","5","4","1") = "6"
    & skf21("2","1","7","6","2","5","5","1") = "6"
    & skf21("2","1","7","6","2","5","6","1") = "6"
    & skf21("2","1","7","6","2","5","7","1") = "6"
    & skf21("2","1","7","6","2","6","1","1") = "6"
    & skf21("2","1","7","6","2","6","2","1") = "6"
    & skf21("2","1","7","6","2","6","3","1") = "6"
    & skf21("2","1","7","6","2","6","4","1") = "6"
    & skf21("2","1","7","6","2","6","5","1") = "6"
    & skf21("2","1","7","6","2","6","6","1") = "6"
    & skf21("2","1","7","6","2","6","7","1") = "6"
    & skf21("2","1","7","6","2","7","1","1") = "6"
    & skf21("2","1","7","6","2","7","2","1") = "6"
    & skf21("2","1","7","6","2","7","3","1") = "6"
    & skf21("2","1","7","6","2","7","4","1") = "6"
    & skf21("2","1","7","6","2","7","5","1") = "6"
    & skf21("2","1","7","6","2","7","6","1") = "6"
    & skf21("2","1","7","6","2","7","7","1") = "6"
    & skf21("2","1","7","6","3","1","1","1") = "6"
    & skf21("2","1","7","6","3","1","2","1") = "6"
    & skf21("2","1","7","6","3","1","3","1") = "6"
    & skf21("2","1","7","6","3","1","4","1") = "6"
    & skf21("2","1","7","6","3","1","5","1") = "6"
    & skf21("2","1","7","6","3","1","6","1") = "6"
    & skf21("2","1","7","6","3","1","7","1") = "6"
    & skf21("2","1","7","6","3","2","1","1") = "6"
    & skf21("2","1","7","6","3","2","2","1") = "6"
    & skf21("2","1","7","6","3","2","3","1") = "6"
    & skf21("2","1","7","6","3","2","4","1") = "6"
    & skf21("2","1","7","6","3","2","5","1") = "6"
    & skf21("2","1","7","6","3","2","6","1") = "6"
    & skf21("2","1","7","6","3","2","7","1") = "6"
    & skf21("2","1","7","6","3","3","1","1") = "6"
    & skf21("2","1","7","6","3","3","2","1") = "6"
    & skf21("2","1","7","6","3","3","3","1") = "6"
    & skf21("2","1","7","6","3","3","4","1") = "6"
    & skf21("2","1","7","6","3","3","5","1") = "6"
    & skf21("2","1","7","6","3","3","6","1") = "6"
    & skf21("2","1","7","6","3","3","7","1") = "6"
    & skf21("2","1","7","6","3","4","1","1") = "6"
    & skf21("2","1","7","6","3","4","2","1") = "6"
    & skf21("2","1","7","6","3","4","3","1") = "6"
    & skf21("2","1","7","6","3","4","4","1") = "6"
    & skf21("2","1","7","6","3","4","5","1") = "6"
    & skf21("2","1","7","6","3","4","6","1") = "6"
    & skf21("2","1","7","6","3","4","7","1") = "6"
    & skf21("2","1","7","6","3","5","1","1") = "6"
    & skf21("2","1","7","6","3","5","2","1") = "6"
    & skf21("2","1","7","6","3","5","3","1") = "6"
    & skf21("2","1","7","6","3","5","4","1") = "6"
    & skf21("2","1","7","6","3","5","5","1") = "6"
    & skf21("2","1","7","6","3","5","6","1") = "6"
    & skf21("2","1","7","6","3","5","7","1") = "6"
    & skf21("2","1","7","6","3","6","1","1") = "6"
    & skf21("2","1","7","6","3","6","2","1") = "6"
    & skf21("2","1","7","6","3","6","3","1") = "6"
    & skf21("2","1","7","6","3","6","4","1") = "6"
    & skf21("2","1","7","6","3","6","5","1") = "6"
    & skf21("2","1","7","6","3","6","6","1") = "6"
    & skf21("2","1","7","6","3","6","7","1") = "6"
    & skf21("2","1","7","6","3","7","1","1") = "6"
    & skf21("2","1","7","6","3","7","2","1") = "6"
    & skf21("2","1","7","6","3","7","3","1") = "6"
    & skf21("2","1","7","6","3","7","4","1") = "6"
    & skf21("2","1","7","6","3","7","5","1") = "6"
    & skf21("2","1","7","6","3","7","6","1") = "6"
    & skf21("2","1","7","6","3","7","7","1") = "6"
    & skf21("2","1","7","6","4","1","1","1") = "6"
    & skf21("2","1","7","6","4","1","2","1") = "6"
    & skf21("2","1","7","6","4","1","3","1") = "6"
    & skf21("2","1","7","6","4","1","4","1") = "6"
    & skf21("2","1","7","6","4","1","5","1") = "6"
    & skf21("2","1","7","6","4","1","6","1") = "6"
    & skf21("2","1","7","6","4","1","7","1") = "6"
    & skf21("2","1","7","6","4","2","1","1") = "6"
    & skf21("2","1","7","6","4","2","2","1") = "6"
    & skf21("2","1","7","6","4","2","3","1") = "6"
    & skf21("2","1","7","6","4","2","4","1") = "6"
    & skf21("2","1","7","6","4","2","5","1") = "6"
    & skf21("2","1","7","6","4","2","6","1") = "6"
    & skf21("2","1","7","6","4","2","7","1") = "6"
    & skf21("2","1","7","6","4","3","1","1") = "6"
    & skf21("2","1","7","6","4","3","2","1") = "6"
    & skf21("2","1","7","6","4","3","3","1") = "6"
    & skf21("2","1","7","6","4","3","4","1") = "6"
    & skf21("2","1","7","6","4","3","5","1") = "6"
    & skf21("2","1","7","6","4","3","6","1") = "6"
    & skf21("2","1","7","6","4","3","7","1") = "6"
    & skf21("2","1","7","6","4","4","1","1") = "6"
    & skf21("2","1","7","6","4","4","2","1") = "6"
    & skf21("2","1","7","6","4","4","3","1") = "6"
    & skf21("2","1","7","6","4","4","4","1") = "6"
    & skf21("2","1","7","6","4","4","5","1") = "6"
    & skf21("2","1","7","6","4","4","6","1") = "6"
    & skf21("2","1","7","6","4","4","7","1") = "6"
    & skf21("2","1","7","6","4","5","1","1") = "6"
    & skf21("2","1","7","6","4","5","2","1") = "6"
    & skf21("2","1","7","6","4","5","3","1") = "6"
    & skf21("2","1","7","6","4","5","4","1") = "6"
    & skf21("2","1","7","6","4","5","5","1") = "6"
    & skf21("2","1","7","6","4","5","6","1") = "6"
    & skf21("2","1","7","6","4","5","7","1") = "6"
    & skf21("2","1","7","6","4","6","1","1") = "6"
    & skf21("2","1","7","6","4","6","2","1") = "6"
    & skf21("2","1","7","6","4","6","3","1") = "6"
    & skf21("2","1","7","6","4","6","4","1") = "6"
    & skf21("2","1","7","6","4","6","5","1") = "6"
    & skf21("2","1","7","6","4","6","6","1") = "6"
    & skf21("2","1","7","6","4","6","7","1") = "6"
    & skf21("2","1","7","6","4","7","1","1") = "6"
    & skf21("2","1","7","6","4","7","2","1") = "6"
    & skf21("2","1","7","6","4","7","3","1") = "6"
    & skf21("2","1","7","6","4","7","4","1") = "6"
    & skf21("2","1","7","6","4","7","5","1") = "6"
    & skf21("2","1","7","6","4","7","6","1") = "6"
    & skf21("2","1","7","6","4","7","7","1") = "6"
    & skf21("2","1","7","6","5","1","1","1") = "6"
    & skf21("2","1","7","6","5","1","2","1") = "6"
    & skf21("2","1","7","6","5","1","3","1") = "6"
    & skf21("2","1","7","6","5","1","4","1") = "6"
    & skf21("2","1","7","6","5","1","5","1") = "6"
    & skf21("2","1","7","6","5","1","6","1") = "6"
    & skf21("2","1","7","6","5","1","7","1") = "6"
    & skf21("2","1","7","6","5","2","1","1") = "6"
    & skf21("2","1","7","6","5","2","2","1") = "6"
    & skf21("2","1","7","6","5","2","3","1") = "6"
    & skf21("2","1","7","6","5","2","4","1") = "6"
    & skf21("2","1","7","6","5","2","5","1") = "6"
    & skf21("2","1","7","6","5","2","6","1") = "6"
    & skf21("2","1","7","6","5","2","7","1") = "6"
    & skf21("2","1","7","6","5","3","1","1") = "6"
    & skf21("2","1","7","6","5","3","2","1") = "6"
    & skf21("2","1","7","6","5","3","3","1") = "6"
    & skf21("2","1","7","6","5","3","4","1") = "6"
    & skf21("2","1","7","6","5","3","5","1") = "6"
    & skf21("2","1","7","6","5","3","6","1") = "6"
    & skf21("2","1","7","6","5","3","7","1") = "6"
    & skf21("2","1","7","6","5","4","1","1") = "6"
    & skf21("2","1","7","6","5","4","2","1") = "6"
    & skf21("2","1","7","6","5","4","3","1") = "6"
    & skf21("2","1","7","6","5","4","4","1") = "6"
    & skf21("2","1","7","6","5","4","5","1") = "6"
    & skf21("2","1","7","6","5","4","6","1") = "6"
    & skf21("2","1","7","6","5","4","7","1") = "6"
    & skf21("2","1","7","6","5","5","1","1") = "6"
    & skf21("2","1","7","6","5","5","2","1") = "6"
    & skf21("2","1","7","6","5","5","3","1") = "6"
    & skf21("2","1","7","6","5","5","4","1") = "6"
    & skf21("2","1","7","6","5","5","5","1") = "6"
    & skf21("2","1","7","6","5","5","6","1") = "6"
    & skf21("2","1","7","6","5","5","7","1") = "6"
    & skf21("2","1","7","6","5","6","1","1") = "6"
    & skf21("2","1","7","6","5","6","2","1") = "6"
    & skf21("2","1","7","6","5","6","3","1") = "6"
    & skf21("2","1","7","6","5","6","4","1") = "6"
    & skf21("2","1","7","6","5","6","5","1") = "6"
    & skf21("2","1","7","6","5","6","6","1") = "6"
    & skf21("2","1","7","6","5","6","7","1") = "6"
    & skf21("2","1","7","6","5","7","1","1") = "6"
    & skf21("2","1","7","6","5","7","2","1") = "6"
    & skf21("2","1","7","6","5","7","3","1") = "6"
    & skf21("2","1","7","6","5","7","4","1") = "6"
    & skf21("2","1","7","6","5","7","5","1") = "6"
    & skf21("2","1","7","6","5","7","6","1") = "6"
    & skf21("2","1","7","6","5","7","7","1") = "6"
    & skf21("2","1","7","6","6","1","1","1") = "6"
    & skf21("2","1","7","6","6","1","2","1") = "6"
    & skf21("2","1","7","6","6","1","3","1") = "6"
    & skf21("2","1","7","6","6","1","4","1") = "6"
    & skf21("2","1","7","6","6","1","5","1") = "6"
    & skf21("2","1","7","6","6","1","6","1") = "6"
    & skf21("2","1","7","6","6","1","7","1") = "6"
    & skf21("2","1","7","6","6","2","1","1") = "6"
    & skf21("2","1","7","6","6","2","2","1") = "6"
    & skf21("2","1","7","6","6","2","3","1") = "6"
    & skf21("2","1","7","6","6","2","4","1") = "6"
    & skf21("2","1","7","6","6","2","5","1") = "6"
    & skf21("2","1","7","6","6","2","6","1") = "6"
    & skf21("2","1","7","6","6","2","7","1") = "6"
    & skf21("2","1","7","6","6","3","1","1") = "6"
    & skf21("2","1","7","6","6","3","2","1") = "6"
    & skf21("2","1","7","6","6","3","3","1") = "6"
    & skf21("2","1","7","6","6","3","4","1") = "6"
    & skf21("2","1","7","6","6","3","5","1") = "6"
    & skf21("2","1","7","6","6","3","6","1") = "6"
    & skf21("2","1","7","6","6","3","7","1") = "6"
    & skf21("2","1","7","6","6","4","1","1") = "6"
    & skf21("2","1","7","6","6","4","2","1") = "6"
    & skf21("2","1","7","6","6","4","3","1") = "6"
    & skf21("2","1","7","6","6","4","4","1") = "6"
    & skf21("2","1","7","6","6","4","5","1") = "6"
    & skf21("2","1","7","6","6","4","6","1") = "6"
    & skf21("2","1","7","6","6","4","7","1") = "6"
    & skf21("2","1","7","6","6","5","1","1") = "6"
    & skf21("2","1","7","6","6","5","2","1") = "6"
    & skf21("2","1","7","6","6","5","3","1") = "6"
    & skf21("2","1","7","6","6","5","4","1") = "6"
    & skf21("2","1","7","6","6","5","5","1") = "6"
    & skf21("2","1","7","6","6","5","6","1") = "6"
    & skf21("2","1","7","6","6","5","7","1") = "6"
    & skf21("2","1","7","6","6","6","1","1") = "6"
    & skf21("2","1","7","6","6","6","2","1") = "6"
    & skf21("2","1","7","6","6","6","3","1") = "6"
    & skf21("2","1","7","6","6","6","4","1") = "6"
    & skf21("2","1","7","6","6","6","5","1") = "6"
    & skf21("2","1","7","6","6","6","6","1") = "6"
    & skf21("2","1","7","6","6","6","7","1") = "6"
    & skf21("2","1","7","6","6","7","1","1") = "6"
    & skf21("2","1","7","6","6","7","2","1") = "6"
    & skf21("2","1","7","6","6","7","3","1") = "6"
    & skf21("2","1","7","6","6","7","4","1") = "6"
    & skf21("2","1","7","6","6","7","5","1") = "6"
    & skf21("2","1","7","6","6","7","6","1") = "6"
    & skf21("2","1","7","6","6","7","7","1") = "6"
    & skf21("2","1","7","6","7","1","1","1") = "6"
    & skf21("2","1","7","6","7","1","2","1") = "6"
    & skf21("2","1","7","6","7","1","3","1") = "6"
    & skf21("2","1","7","6","7","1","4","1") = "6"
    & skf21("2","1","7","6","7","1","5","1") = "6"
    & skf21("2","1","7","6","7","1","6","1") = "6"
    & skf21("2","1","7","6","7","1","7","1") = "6"
    & skf21("2","1","7","6","7","2","1","1") = "6"
    & skf21("2","1","7","6","7","2","2","1") = "6"
    & skf21("2","1","7","6","7","2","3","1") = "6"
    & skf21("2","1","7","6","7","2","4","1") = "6"
    & skf21("2","1","7","6","7","2","5","1") = "6"
    & skf21("2","1","7","6","7","2","6","1") = "6"
    & skf21("2","1","7","6","7","2","7","1") = "6"
    & skf21("2","1","7","6","7","3","1","1") = "6"
    & skf21("2","1","7","6","7","3","2","1") = "6"
    & skf21("2","1","7","6","7","3","3","1") = "6"
    & skf21("2","1","7","6","7","3","4","1") = "6"
    & skf21("2","1","7","6","7","3","5","1") = "6"
    & skf21("2","1","7","6","7","3","6","1") = "6"
    & skf21("2","1","7","6","7","3","7","1") = "6"
    & skf21("2","1","7","6","7","4","1","1") = "6"
    & skf21("2","1","7","6","7","4","2","1") = "6"
    & skf21("2","1","7","6","7","4","3","1") = "6"
    & skf21("2","1","7","6","7","4","4","1") = "6"
    & skf21("2","1","7","6","7","4","5","1") = "6"
    & skf21("2","1","7","6","7","4","6","1") = "6"
    & skf21("2","1","7","6","7","4","7","1") = "6"
    & skf21("2","1","7","6","7","5","1","1") = "6"
    & skf21("2","1","7","6","7","5","2","1") = "6"
    & skf21("2","1","7","6","7","5","3","1") = "6"
    & skf21("2","1","7","6","7","5","4","1") = "6"
    & skf21("2","1","7","6","7","5","5","1") = "6"
    & skf21("2","1","7","6","7","5","6","1") = "6"
    & skf21("2","1","7","6","7","5","7","1") = "6"
    & skf21("2","1","7","6","7","6","1","1") = "6"
    & skf21("2","1","7","6","7","6","2","1") = "6"
    & skf21("2","1","7","6","7","6","3","1") = "6"
    & skf21("2","1","7","6","7","6","4","1") = "6"
    & skf21("2","1","7","6","7","6","5","1") = "6"
    & skf21("2","1","7","6","7","6","6","1") = "6"
    & skf21("2","1","7","6","7","6","7","1") = "6"
    & skf21("2","1","7","6","7","7","1","1") = "6"
    & skf21("2","1","7","6","7","7","2","1") = "6"
    & skf21("2","1","7","6","7","7","3","1") = "6"
    & skf21("2","1","7","6","7","7","4","1") = "6"
    & skf21("2","1","7","6","7","7","5","1") = "6"
    & skf21("2","1","7","6","7","7","6","1") = "6"
    & skf21("2","1","7","6","7","7","7","1") = "6"
    & skf21("2","1","7","7","1","1","1","1") = "6"
    & skf21("2","1","7","7","1","1","2","1") = "6"
    & skf21("2","1","7","7","1","1","3","1") = "6"
    & skf21("2","1","7","7","1","1","4","1") = "6"
    & skf21("2","1","7","7","1","1","5","1") = "6"
    & skf21("2","1","7","7","1","1","6","1") = "6"
    & skf21("2","1","7","7","1","1","7","1") = "6"
    & skf21("2","1","7","7","1","2","1","1") = "6"
    & skf21("2","1","7","7","1","2","2","1") = "6"
    & skf21("2","1","7","7","1","2","3","1") = "6"
    & skf21("2","1","7","7","1","2","4","1") = "6"
    & skf21("2","1","7","7","1","2","5","1") = "6"
    & skf21("2","1","7","7","1","2","6","1") = "6"
    & skf21("2","1","7","7","1","2","7","1") = "6"
    & skf21("2","1","7","7","1","3","1","1") = "6"
    & skf21("2","1","7","7","1","3","2","1") = "6"
    & skf21("2","1","7","7","1","3","3","1") = "6"
    & skf21("2","1","7","7","1","3","4","1") = "6"
    & skf21("2","1","7","7","1","3","5","1") = "6"
    & skf21("2","1","7","7","1","3","6","1") = "6"
    & skf21("2","1","7","7","1","3","7","1") = "6"
    & skf21("2","1","7","7","1","4","1","1") = "6"
    & skf21("2","1","7","7","1","4","2","1") = "6"
    & skf21("2","1","7","7","1","4","3","1") = "6"
    & skf21("2","1","7","7","1","4","4","1") = "6"
    & skf21("2","1","7","7","1","4","5","1") = "6"
    & skf21("2","1","7","7","1","4","6","1") = "6"
    & skf21("2","1","7","7","1","4","7","1") = "6"
    & skf21("2","1","7","7","1","5","1","1") = "6"
    & skf21("2","1","7","7","1","5","2","1") = "6"
    & skf21("2","1","7","7","1","5","3","1") = "6"
    & skf21("2","1","7","7","1","5","4","1") = "6"
    & skf21("2","1","7","7","1","5","5","1") = "6"
    & skf21("2","1","7","7","1","5","6","1") = "6"
    & skf21("2","1","7","7","1","5","7","1") = "6"
    & skf21("2","1","7","7","1","6","1","1") = "6"
    & skf21("2","1","7","7","1","6","2","1") = "6"
    & skf21("2","1","7","7","1","6","3","1") = "6"
    & skf21("2","1","7","7","1","6","4","1") = "6"
    & skf21("2","1","7","7","1","6","5","1") = "6"
    & skf21("2","1","7","7","1","6","6","1") = "6"
    & skf21("2","1","7","7","1","6","7","1") = "6"
    & skf21("2","1","7","7","1","7","1","1") = "6"
    & skf21("2","1","7","7","1","7","2","1") = "6"
    & skf21("2","1","7","7","1","7","3","1") = "6"
    & skf21("2","1","7","7","1","7","4","1") = "6"
    & skf21("2","1","7","7","1","7","5","1") = "6"
    & skf21("2","1","7","7","1","7","6","1") = "6"
    & skf21("2","1","7","7","1","7","7","1") = "6"
    & skf21("2","1","7","7","2","1","1","1") = "6"
    & skf21("2","1","7","7","2","1","2","1") = "6"
    & skf21("2","1","7","7","2","1","3","1") = "6"
    & skf21("2","1","7","7","2","1","4","1") = "6"
    & skf21("2","1","7","7","2","1","5","1") = "6"
    & skf21("2","1","7","7","2","1","6","1") = "6"
    & skf21("2","1","7","7","2","1","7","1") = "6"
    & skf21("2","1","7","7","2","2","1","1") = "6"
    & skf21("2","1","7","7","2","2","2","1") = "6"
    & skf21("2","1","7","7","2","2","3","1") = "6"
    & skf21("2","1","7","7","2","2","4","1") = "6"
    & skf21("2","1","7","7","2","2","5","1") = "6"
    & skf21("2","1","7","7","2","2","6","1") = "6"
    & skf21("2","1","7","7","2","2","7","1") = "6"
    & skf21("2","1","7","7","2","3","1","1") = "6"
    & skf21("2","1","7","7","2","3","2","1") = "6"
    & skf21("2","1","7","7","2","3","3","1") = "6"
    & skf21("2","1","7","7","2","3","4","1") = "6"
    & skf21("2","1","7","7","2","3","5","1") = "6"
    & skf21("2","1","7","7","2","3","6","1") = "6"
    & skf21("2","1","7","7","2","3","7","1") = "6"
    & skf21("2","1","7","7","2","4","1","1") = "6"
    & skf21("2","1","7","7","2","4","2","1") = "6"
    & skf21("2","1","7","7","2","4","3","1") = "6"
    & skf21("2","1","7","7","2","4","4","1") = "6"
    & skf21("2","1","7","7","2","4","5","1") = "6"
    & skf21("2","1","7","7","2","4","6","1") = "6"
    & skf21("2","1","7","7","2","4","7","1") = "6"
    & skf21("2","1","7","7","2","5","1","1") = "6"
    & skf21("2","1","7","7","2","5","2","1") = "6"
    & skf21("2","1","7","7","2","5","3","1") = "6"
    & skf21("2","1","7","7","2","5","4","1") = "6"
    & skf21("2","1","7","7","2","5","5","1") = "6"
    & skf21("2","1","7","7","2","5","6","1") = "6"
    & skf21("2","1","7","7","2","5","7","1") = "6"
    & skf21("2","1","7","7","2","6","1","1") = "6"
    & skf21("2","1","7","7","2","6","2","1") = "6"
    & skf21("2","1","7","7","2","6","3","1") = "6"
    & skf21("2","1","7","7","2","6","4","1") = "6"
    & skf21("2","1","7","7","2","6","5","1") = "6"
    & skf21("2","1","7","7","2","6","6","1") = "6"
    & skf21("2","1","7","7","2","6","7","1") = "6"
    & skf21("2","1","7","7","2","7","1","1") = "6"
    & skf21("2","1","7","7","2","7","2","1") = "6"
    & skf21("2","1","7","7","2","7","3","1") = "6"
    & skf21("2","1","7","7","2","7","4","1") = "6"
    & skf21("2","1","7","7","2","7","5","1") = "6"
    & skf21("2","1","7","7","2","7","6","1") = "6"
    & skf21("2","1","7","7","2","7","7","1") = "6"
    & skf21("2","1","7","7","3","1","1","1") = "6"
    & skf21("2","1","7","7","3","1","2","1") = "6"
    & skf21("2","1","7","7","3","1","3","1") = "6"
    & skf21("2","1","7","7","3","1","4","1") = "6"
    & skf21("2","1","7","7","3","1","5","1") = "6"
    & skf21("2","1","7","7","3","1","6","1") = "6"
    & skf21("2","1","7","7","3","1","7","1") = "6"
    & skf21("2","1","7","7","3","2","1","1") = "6"
    & skf21("2","1","7","7","3","2","2","1") = "6"
    & skf21("2","1","7","7","3","2","3","1") = "6"
    & skf21("2","1","7","7","3","2","4","1") = "6"
    & skf21("2","1","7","7","3","2","5","1") = "6"
    & skf21("2","1","7","7","3","2","6","1") = "6"
    & skf21("2","1","7","7","3","2","7","1") = "6"
    & skf21("2","1","7","7","3","3","1","1") = "6"
    & skf21("2","1","7","7","3","3","2","1") = "6"
    & skf21("2","1","7","7","3","3","3","1") = "6"
    & skf21("2","1","7","7","3","3","4","1") = "6"
    & skf21("2","1","7","7","3","3","5","1") = "6"
    & skf21("2","1","7","7","3","3","6","1") = "6"
    & skf21("2","1","7","7","3","3","7","1") = "6"
    & skf21("2","1","7","7","3","4","1","1") = "6"
    & skf21("2","1","7","7","3","4","2","1") = "6"
    & skf21("2","1","7","7","3","4","3","1") = "6"
    & skf21("2","1","7","7","3","4","4","1") = "6"
    & skf21("2","1","7","7","3","4","5","1") = "6"
    & skf21("2","1","7","7","3","4","6","1") = "6"
    & skf21("2","1","7","7","3","4","7","1") = "6"
    & skf21("2","1","7","7","3","5","1","1") = "6"
    & skf21("2","1","7","7","3","5","2","1") = "6"
    & skf21("2","1","7","7","3","5","3","1") = "6"
    & skf21("2","1","7","7","3","5","4","1") = "6"
    & skf21("2","1","7","7","3","5","5","1") = "6"
    & skf21("2","1","7","7","3","5","6","1") = "6"
    & skf21("2","1","7","7","3","5","7","1") = "6"
    & skf21("2","1","7","7","3","6","1","1") = "6"
    & skf21("2","1","7","7","3","6","2","1") = "6"
    & skf21("2","1","7","7","3","6","3","1") = "6"
    & skf21("2","1","7","7","3","6","4","1") = "6"
    & skf21("2","1","7","7","3","6","5","1") = "6"
    & skf21("2","1","7","7","3","6","6","1") = "6"
    & skf21("2","1","7","7","3","6","7","1") = "6"
    & skf21("2","1","7","7","3","7","1","1") = "6"
    & skf21("2","1","7","7","3","7","2","1") = "6"
    & skf21("2","1","7","7","3","7","3","1") = "6"
    & skf21("2","1","7","7","3","7","4","1") = "6"
    & skf21("2","1","7","7","3","7","5","1") = "6"
    & skf21("2","1","7","7","3","7","6","1") = "6"
    & skf21("2","1","7","7","3","7","7","1") = "6"
    & skf21("2","1","7","7","4","1","1","1") = "6"
    & skf21("2","1","7","7","4","1","2","1") = "6"
    & skf21("2","1","7","7","4","1","3","1") = "6"
    & skf21("2","1","7","7","4","1","4","1") = "6"
    & skf21("2","1","7","7","4","1","5","1") = "6"
    & skf21("2","1","7","7","4","1","6","1") = "6"
    & skf21("2","1","7","7","4","1","7","1") = "6"
    & skf21("2","1","7","7","4","2","1","1") = "6"
    & skf21("2","1","7","7","4","2","2","1") = "6"
    & skf21("2","1","7","7","4","2","3","1") = "6"
    & skf21("2","1","7","7","4","2","4","1") = "6"
    & skf21("2","1","7","7","4","2","5","1") = "6"
    & skf21("2","1","7","7","4","2","6","1") = "6"
    & skf21("2","1","7","7","4","2","7","1") = "6"
    & skf21("2","1","7","7","4","3","1","1") = "6"
    & skf21("2","1","7","7","4","3","2","1") = "6"
    & skf21("2","1","7","7","4","3","3","1") = "6"
    & skf21("2","1","7","7","4","3","4","1") = "6"
    & skf21("2","1","7","7","4","3","5","1") = "6"
    & skf21("2","1","7","7","4","3","6","1") = "6"
    & skf21("2","1","7","7","4","3","7","1") = "6"
    & skf21("2","1","7","7","4","4","1","1") = "6"
    & skf21("2","1","7","7","4","4","2","1") = "6"
    & skf21("2","1","7","7","4","4","3","1") = "6"
    & skf21("2","1","7","7","4","4","4","1") = "6"
    & skf21("2","1","7","7","4","4","5","1") = "6"
    & skf21("2","1","7","7","4","4","6","1") = "6"
    & skf21("2","1","7","7","4","4","7","1") = "6"
    & skf21("2","1","7","7","4","5","1","1") = "6"
    & skf21("2","1","7","7","4","5","2","1") = "6"
    & skf21("2","1","7","7","4","5","3","1") = "6"
    & skf21("2","1","7","7","4","5","4","1") = "6"
    & skf21("2","1","7","7","4","5","5","1") = "6"
    & skf21("2","1","7","7","4","5","6","1") = "6"
    & skf21("2","1","7","7","4","5","7","1") = "6"
    & skf21("2","1","7","7","4","6","1","1") = "6"
    & skf21("2","1","7","7","4","6","2","1") = "6"
    & skf21("2","1","7","7","4","6","3","1") = "6"
    & skf21("2","1","7","7","4","6","4","1") = "6"
    & skf21("2","1","7","7","4","6","5","1") = "6"
    & skf21("2","1","7","7","4","6","6","1") = "6"
    & skf21("2","1","7","7","4","6","7","1") = "6"
    & skf21("2","1","7","7","4","7","1","1") = "6"
    & skf21("2","1","7","7","4","7","2","1") = "6"
    & skf21("2","1","7","7","4","7","3","1") = "6"
    & skf21("2","1","7","7","4","7","4","1") = "6"
    & skf21("2","1","7","7","4","7","5","1") = "6"
    & skf21("2","1","7","7","4","7","6","1") = "6"
    & skf21("2","1","7","7","4","7","7","1") = "6"
    & skf21("2","1","7","7","5","1","1","1") = "6"
    & skf21("2","1","7","7","5","1","2","1") = "6"
    & skf21("2","1","7","7","5","1","3","1") = "6"
    & skf21("2","1","7","7","5","1","4","1") = "6"
    & skf21("2","1","7","7","5","1","5","1") = "6"
    & skf21("2","1","7","7","5","1","6","1") = "6"
    & skf21("2","1","7","7","5","1","7","1") = "6"
    & skf21("2","1","7","7","5","2","1","1") = "6"
    & skf21("2","1","7","7","5","2","2","1") = "6"
    & skf21("2","1","7","7","5","2","3","1") = "6"
    & skf21("2","1","7","7","5","2","4","1") = "6"
    & skf21("2","1","7","7","5","2","5","1") = "6"
    & skf21("2","1","7","7","5","2","6","1") = "6"
    & skf21("2","1","7","7","5","2","7","1") = "6"
    & skf21("2","1","7","7","5","3","1","1") = "6"
    & skf21("2","1","7","7","5","3","2","1") = "6"
    & skf21("2","1","7","7","5","3","3","1") = "6"
    & skf21("2","1","7","7","5","3","4","1") = "6"
    & skf21("2","1","7","7","5","3","5","1") = "6"
    & skf21("2","1","7","7","5","3","6","1") = "6"
    & skf21("2","1","7","7","5","3","7","1") = "6"
    & skf21("2","1","7","7","5","4","1","1") = "6"
    & skf21("2","1","7","7","5","4","2","1") = "6"
    & skf21("2","1","7","7","5","4","3","1") = "6"
    & skf21("2","1","7","7","5","4","4","1") = "6"
    & skf21("2","1","7","7","5","4","5","1") = "6"
    & skf21("2","1","7","7","5","4","6","1") = "6"
    & skf21("2","1","7","7","5","4","7","1") = "6"
    & skf21("2","1","7","7","5","5","1","1") = "6"
    & skf21("2","1","7","7","5","5","2","1") = "6"
    & skf21("2","1","7","7","5","5","3","1") = "6"
    & skf21("2","1","7","7","5","5","4","1") = "6"
    & skf21("2","1","7","7","5","5","5","1") = "6"
    & skf21("2","1","7","7","5","5","6","1") = "6"
    & skf21("2","1","7","7","5","5","7","1") = "6"
    & skf21("2","1","7","7","5","6","1","1") = "6"
    & skf21("2","1","7","7","5","6","2","1") = "6"
    & skf21("2","1","7","7","5","6","3","1") = "6"
    & skf21("2","1","7","7","5","6","4","1") = "6"
    & skf21("2","1","7","7","5","6","5","1") = "6"
    & skf21("2","1","7","7","5","6","6","1") = "6"
    & skf21("2","1","7","7","5","6","7","1") = "6"
    & skf21("2","1","7","7","5","7","1","1") = "6"
    & skf21("2","1","7","7","5","7","2","1") = "6"
    & skf21("2","1","7","7","5","7","3","1") = "6"
    & skf21("2","1","7","7","5","7","4","1") = "6"
    & skf21("2","1","7","7","5","7","5","1") = "6"
    & skf21("2","1","7","7","5","7","6","1") = "6"
    & skf21("2","1","7","7","5","7","7","1") = "6"
    & skf21("2","1","7","7","6","1","1","1") = "6"
    & skf21("2","1","7","7","6","1","2","1") = "6"
    & skf21("2","1","7","7","6","1","3","1") = "6"
    & skf21("2","1","7","7","6","1","4","1") = "6"
    & skf21("2","1","7","7","6","1","5","1") = "6"
    & skf21("2","1","7","7","6","1","6","1") = "6"
    & skf21("2","1","7","7","6","1","7","1") = "6"
    & skf21("2","1","7","7","6","2","1","1") = "6"
    & skf21("2","1","7","7","6","2","2","1") = "6"
    & skf21("2","1","7","7","6","2","3","1") = "6"
    & skf21("2","1","7","7","6","2","4","1") = "6"
    & skf21("2","1","7","7","6","2","5","1") = "6"
    & skf21("2","1","7","7","6","2","6","1") = "6"
    & skf21("2","1","7","7","6","2","7","1") = "6"
    & skf21("2","1","7","7","6","3","1","1") = "6"
    & skf21("2","1","7","7","6","3","2","1") = "6"
    & skf21("2","1","7","7","6","3","3","1") = "6"
    & skf21("2","1","7","7","6","3","4","1") = "6"
    & skf21("2","1","7","7","6","3","5","1") = "6"
    & skf21("2","1","7","7","6","3","6","1") = "6"
    & skf21("2","1","7","7","6","3","7","1") = "6"
    & skf21("2","1","7","7","6","4","1","1") = "6"
    & skf21("2","1","7","7","6","4","2","1") = "6"
    & skf21("2","1","7","7","6","4","3","1") = "6"
    & skf21("2","1","7","7","6","4","4","1") = "6"
    & skf21("2","1","7","7","6","4","5","1") = "6"
    & skf21("2","1","7","7","6","4","6","1") = "6"
    & skf21("2","1","7","7","6","4","7","1") = "6"
    & skf21("2","1","7","7","6","5","1","1") = "6"
    & skf21("2","1","7","7","6","5","2","1") = "6"
    & skf21("2","1","7","7","6","5","3","1") = "6"
    & skf21("2","1","7","7","6","5","4","1") = "6"
    & skf21("2","1","7","7","6","5","5","1") = "6"
    & skf21("2","1","7","7","6","5","6","1") = "6"
    & skf21("2","1","7","7","6","5","7","1") = "6"
    & skf21("2","1","7","7","6","6","1","1") = "6"
    & skf21("2","1","7","7","6","6","2","1") = "6"
    & skf21("2","1","7","7","6","6","3","1") = "6"
    & skf21("2","1","7","7","6","6","4","1") = "6"
    & skf21("2","1","7","7","6","6","5","1") = "6"
    & skf21("2","1","7","7","6","6","6","1") = "6"
    & skf21("2","1","7","7","6","6","7","1") = "6"
    & skf21("2","1","7","7","6","7","1","1") = "6"
    & skf21("2","1","7","7","6","7","2","1") = "6"
    & skf21("2","1","7","7","6","7","3","1") = "6"
    & skf21("2","1","7","7","6","7","4","1") = "6"
    & skf21("2","1","7","7","6","7","5","1") = "6"
    & skf21("2","1","7","7","6","7","6","1") = "6"
    & skf21("2","1","7","7","6","7","7","1") = "6"
    & skf21("2","1","7","7","7","1","1","1") = "6"
    & skf21("2","1","7","7","7","1","2","1") = "6"
    & skf21("2","1","7","7","7","1","3","1") = "6"
    & skf21("2","1","7","7","7","1","4","1") = "6"
    & skf21("2","1","7","7","7","1","5","1") = "6"
    & skf21("2","1","7","7","7","1","6","1") = "6"
    & skf21("2","1","7","7","7","1","7","1") = "6"
    & skf21("2","1","7","7","7","2","1","1") = "6"
    & skf21("2","1","7","7","7","2","2","1") = "6"
    & skf21("2","1","7","7","7","2","3","1") = "6"
    & skf21("2","1","7","7","7","2","4","1") = "6"
    & skf21("2","1","7","7","7","2","5","1") = "6"
    & skf21("2","1","7","7","7","2","6","1") = "6"
    & skf21("2","1","7","7","7","2","7","1") = "6"
    & skf21("2","1","7","7","7","3","1","1") = "6"
    & skf21("2","1","7","7","7","3","2","1") = "6"
    & skf21("2","1","7","7","7","3","3","1") = "6"
    & skf21("2","1","7","7","7","3","4","1") = "6"
    & skf21("2","1","7","7","7","3","5","1") = "6"
    & skf21("2","1","7","7","7","3","6","1") = "6"
    & skf21("2","1","7","7","7","3","7","1") = "6"
    & skf21("2","1","7","7","7","4","1","1") = "6"
    & skf21("2","1","7","7","7","4","2","1") = "6"
    & skf21("2","1","7","7","7","4","3","1") = "6"
    & skf21("2","1","7","7","7","4","4","1") = "6"
    & skf21("2","1","7","7","7","4","5","1") = "6"
    & skf21("2","1","7","7","7","4","6","1") = "6"
    & skf21("2","1","7","7","7","4","7","1") = "6"
    & skf21("2","1","7","7","7","5","1","1") = "6"
    & skf21("2","1","7","7","7","5","2","1") = "6"
    & skf21("2","1","7","7","7","5","3","1") = "6"
    & skf21("2","1","7","7","7","5","4","1") = "6"
    & skf21("2","1","7","7","7","5","5","1") = "6"
    & skf21("2","1","7","7","7","5","6","1") = "6"
    & skf21("2","1","7","7","7","5","7","1") = "6"
    & skf21("2","1","7","7","7","6","1","1") = "6"
    & skf21("2","1","7","7","7","6","2","1") = "6"
    & skf21("2","1","7","7","7","6","3","1") = "6"
    & skf21("2","1","7","7","7","6","4","1") = "6"
    & skf21("2","1","7","7","7","6","5","1") = "6"
    & skf21("2","1","7","7","7","6","6","1") = "6"
    & skf21("2","1","7","7","7","6","7","1") = "6"
    & skf21("2","1","7","7","7","7","1","1") = "6"
    & skf21("2","1","7","7","7","7","2","1") = "6"
    & skf21("2","1","7","7","7","7","3","1") = "6"
    & skf21("2","1","7","7","7","7","4","1") = "6"
    & skf21("2","1","7","7","7","7","5","1") = "6"
    & skf21("2","1","7","7","7","7","6","1") = "6"
    & skf21("2","1","7","7","7","7","7","1") = "6"
    & skf21("2","2","1","1","1","1","1","1") = "1"
    & skf21("2","2","1","1","1","1","2","1") = "1"
    & skf21("2","2","1","1","1","1","3","1") = "2"
    & skf21("2","2","1","1","1","1","4","1") = "3"
    & skf21("2","2","1","1","1","1","5","1") = "4"
    & skf21("2","2","1","1","1","1","6","1") = "5"
    & skf21("2","2","1","1","1","1","7","1") = "6"
    & skf21("2","2","1","1","1","2","1","1") = "1"
    & skf21("2","2","1","1","1","2","2","1") = "1"
    & skf21("2","2","1","1","1","2","3","1") = "2"
    & skf21("2","2","1","1","1","2","4","1") = "3"
    & skf21("2","2","1","1","1","2","5","1") = "4"
    & skf21("2","2","1","1","1","2","6","1") = "5"
    & skf21("2","2","1","1","1","2","7","1") = "6"
    & skf21("2","2","1","1","1","3","1","1") = "2"
    & skf21("2","2","1","1","1","3","2","1") = "2"
    & skf21("2","2","1","1","1","3","3","1") = "2"
    & skf21("2","2","1","1","1","3","4","1") = "3"
    & skf21("2","2","1","1","1","3","5","1") = "4"
    & skf21("2","2","1","1","1","3","6","1") = "5"
    & skf21("2","2","1","1","1","3","7","1") = "6"
    & skf21("2","2","1","1","1","4","1","1") = "3"
    & skf21("2","2","1","1","1","4","2","1") = "3"
    & skf21("2","2","1","1","1","4","3","1") = "3"
    & skf21("2","2","1","1","1","4","4","1") = "3"
    & skf21("2","2","1","1","1","4","5","1") = "4"
    & skf21("2","2","1","1","1","4","6","1") = "5"
    & skf21("2","2","1","1","1","4","7","1") = "6"
    & skf21("2","2","1","1","1","5","1","1") = "4"
    & skf21("2","2","1","1","1","5","2","1") = "4"
    & skf21("2","2","1","1","1","5","3","1") = "4"
    & skf21("2","2","1","1","1","5","4","1") = "4"
    & skf21("2","2","1","1","1","5","5","1") = "4"
    & skf21("2","2","1","1","1","5","6","1") = "5"
    & skf21("2","2","1","1","1","5","7","1") = "6"
    & skf21("2","2","1","1","1","6","1","1") = "5"
    & skf21("2","2","1","1","1","6","2","1") = "5"
    & skf21("2","2","1","1","1","6","3","1") = "5"
    & skf21("2","2","1","1","1","6","4","1") = "5"
    & skf21("2","2","1","1","1","6","5","1") = "5"
    & skf21("2","2","1","1","1","6","6","1") = "5"
    & skf21("2","2","1","1","1","6","7","1") = "6"
    & skf21("2","2","1","1","1","7","1","1") = "6"
    & skf21("2","2","1","1","1","7","2","1") = "6"
    & skf21("2","2","1","1","1","7","3","1") = "6"
    & skf21("2","2","1","1","1","7","4","1") = "6"
    & skf21("2","2","1","1","1","7","5","1") = "6"
    & skf21("2","2","1","1","1","7","6","1") = "6"
    & skf21("2","2","1","1","1","7","7","1") = "6"
    & skf21("2","2","1","1","2","1","1","1") = "1"
    & skf21("2","2","1","1","2","1","2","1") = "1"
    & skf21("2","2","1","1","2","1","3","1") = "2"
    & skf21("2","2","1","1","2","1","4","1") = "3"
    & skf21("2","2","1","1","2","1","5","1") = "4"
    & skf21("2","2","1","1","2","1","6","1") = "5"
    & skf21("2","2","1","1","2","1","7","1") = "6"
    & skf21("2","2","1","1","2","2","1","1") = "1"
    & skf21("2","2","1","1","2","2","2","1") = "1"
    & skf21("2","2","1","1","2","2","3","1") = "2"
    & skf21("2","2","1","1","2","2","4","1") = "3"
    & skf21("2","2","1","1","2","2","5","1") = "4"
    & skf21("2","2","1","1","2","2","6","1") = "5"
    & skf21("2","2","1","1","2","2","7","1") = "6"
    & skf21("2","2","1","1","2","3","1","1") = "2"
    & skf21("2","2","1","1","2","3","2","1") = "2"
    & skf21("2","2","1","1","2","3","3","1") = "2"
    & skf21("2","2","1","1","2","3","4","1") = "3"
    & skf21("2","2","1","1","2","3","5","1") = "4"
    & skf21("2","2","1","1","2","3","6","1") = "5"
    & skf21("2","2","1","1","2","3","7","1") = "6"
    & skf21("2","2","1","1","2","4","1","1") = "3"
    & skf21("2","2","1","1","2","4","2","1") = "3"
    & skf21("2","2","1","1","2","4","3","1") = "3"
    & skf21("2","2","1","1","2","4","4","1") = "3"
    & skf21("2","2","1","1","2","4","5","1") = "4"
    & skf21("2","2","1","1","2","4","6","1") = "5"
    & skf21("2","2","1","1","2","4","7","1") = "6"
    & skf21("2","2","1","1","2","5","1","1") = "4"
    & skf21("2","2","1","1","2","5","2","1") = "4"
    & skf21("2","2","1","1","2","5","3","1") = "4"
    & skf21("2","2","1","1","2","5","4","1") = "4"
    & skf21("2","2","1","1","2","5","5","1") = "4"
    & skf21("2","2","1","1","2","5","6","1") = "5"
    & skf21("2","2","1","1","2","5","7","1") = "6"
    & skf21("2","2","1","1","2","6","1","1") = "5"
    & skf21("2","2","1","1","2","6","2","1") = "5"
    & skf21("2","2","1","1","2","6","3","1") = "5"
    & skf21("2","2","1","1","2","6","4","1") = "5"
    & skf21("2","2","1","1","2","6","5","1") = "5"
    & skf21("2","2","1","1","2","6","6","1") = "5"
    & skf21("2","2","1","1","2","6","7","1") = "6"
    & skf21("2","2","1","1","2","7","1","1") = "6"
    & skf21("2","2","1","1","2","7","2","1") = "6"
    & skf21("2","2","1","1","2","7","3","1") = "6"
    & skf21("2","2","1","1","2","7","4","1") = "6"
    & skf21("2","2","1","1","2","7","5","1") = "6"
    & skf21("2","2","1","1","2","7","6","1") = "6"
    & skf21("2","2","1","1","2","7","7","1") = "6"
    & skf21("2","2","1","1","3","1","1","1") = "2"
    & skf21("2","2","1","1","3","1","2","1") = "2"
    & skf21("2","2","1","1","3","1","3","1") = "2"
    & skf21("2","2","1","1","3","1","4","1") = "3"
    & skf21("2","2","1","1","3","1","5","1") = "4"
    & skf21("2","2","1","1","3","1","6","1") = "5"
    & skf21("2","2","1","1","3","1","7","1") = "6"
    & skf21("2","2","1","1","3","2","1","1") = "2"
    & skf21("2","2","1","1","3","2","2","1") = "2"
    & skf21("2","2","1","1","3","2","3","1") = "2"
    & skf21("2","2","1","1","3","2","4","1") = "3"
    & skf21("2","2","1","1","3","2","5","1") = "4"
    & skf21("2","2","1","1","3","2","6","1") = "5"
    & skf21("2","2","1","1","3","2","7","1") = "6"
    & skf21("2","2","1","1","3","3","1","1") = "2"
    & skf21("2","2","1","1","3","3","2","1") = "2"
    & skf21("2","2","1","1","3","3","3","1") = "2"
    & skf21("2","2","1","1","3","3","4","1") = "3"
    & skf21("2","2","1","1","3","3","5","1") = "4"
    & skf21("2","2","1","1","3","3","6","1") = "5"
    & skf21("2","2","1","1","3","3","7","1") = "6"
    & skf21("2","2","1","1","3","4","1","1") = "3"
    & skf21("2","2","1","1","3","4","2","1") = "3"
    & skf21("2","2","1","1","3","4","3","1") = "3"
    & skf21("2","2","1","1","3","4","4","1") = "3"
    & skf21("2","2","1","1","3","4","5","1") = "4"
    & skf21("2","2","1","1","3","4","6","1") = "5"
    & skf21("2","2","1","1","3","4","7","1") = "6"
    & skf21("2","2","1","1","3","5","1","1") = "4"
    & skf21("2","2","1","1","3","5","2","1") = "4"
    & skf21("2","2","1","1","3","5","3","1") = "4"
    & skf21("2","2","1","1","3","5","4","1") = "4"
    & skf21("2","2","1","1","3","5","5","1") = "4"
    & skf21("2","2","1","1","3","5","6","1") = "5"
    & skf21("2","2","1","1","3","5","7","1") = "6"
    & skf21("2","2","1","1","3","6","1","1") = "5"
    & skf21("2","2","1","1","3","6","2","1") = "5"
    & skf21("2","2","1","1","3","6","3","1") = "5"
    & skf21("2","2","1","1","3","6","4","1") = "5"
    & skf21("2","2","1","1","3","6","5","1") = "5"
    & skf21("2","2","1","1","3","6","6","1") = "5"
    & skf21("2","2","1","1","3","6","7","1") = "6"
    & skf21("2","2","1","1","3","7","1","1") = "6"
    & skf21("2","2","1","1","3","7","2","1") = "6"
    & skf21("2","2","1","1","3","7","3","1") = "6"
    & skf21("2","2","1","1","3","7","4","1") = "6"
    & skf21("2","2","1","1","3","7","5","1") = "6"
    & skf21("2","2","1","1","3","7","6","1") = "6"
    & skf21("2","2","1","1","3","7","7","1") = "6"
    & skf21("2","2","1","1","4","1","1","1") = "3"
    & skf21("2","2","1","1","4","1","2","1") = "3"
    & skf21("2","2","1","1","4","1","3","1") = "3"
    & skf21("2","2","1","1","4","1","4","1") = "3"
    & skf21("2","2","1","1","4","1","5","1") = "4"
    & skf21("2","2","1","1","4","1","6","1") = "5"
    & skf21("2","2","1","1","4","1","7","1") = "6"
    & skf21("2","2","1","1","4","2","1","1") = "3"
    & skf21("2","2","1","1","4","2","2","1") = "3"
    & skf21("2","2","1","1","4","2","3","1") = "3"
    & skf21("2","2","1","1","4","2","4","1") = "3"
    & skf21("2","2","1","1","4","2","5","1") = "4"
    & skf21("2","2","1","1","4","2","6","1") = "5"
    & skf21("2","2","1","1","4","2","7","1") = "6"
    & skf21("2","2","1","1","4","3","1","1") = "3"
    & skf21("2","2","1","1","4","3","2","1") = "3"
    & skf21("2","2","1","1","4","3","3","1") = "3"
    & skf21("2","2","1","1","4","3","4","1") = "3"
    & skf21("2","2","1","1","4","3","5","1") = "4"
    & skf21("2","2","1","1","4","3","6","1") = "5"
    & skf21("2","2","1","1","4","3","7","1") = "6"
    & skf21("2","2","1","1","4","4","1","1") = "3"
    & skf21("2","2","1","1","4","4","2","1") = "3"
    & skf21("2","2","1","1","4","4","3","1") = "3"
    & skf21("2","2","1","1","4","4","4","1") = "3"
    & skf21("2","2","1","1","4","4","5","1") = "4"
    & skf21("2","2","1","1","4","4","6","1") = "5"
    & skf21("2","2","1","1","4","4","7","1") = "6"
    & skf21("2","2","1","1","4","5","1","1") = "4"
    & skf21("2","2","1","1","4","5","2","1") = "4"
    & skf21("2","2","1","1","4","5","3","1") = "4"
    & skf21("2","2","1","1","4","5","4","1") = "4"
    & skf21("2","2","1","1","4","5","5","1") = "4"
    & skf21("2","2","1","1","4","5","6","1") = "5"
    & skf21("2","2","1","1","4","5","7","1") = "6"
    & skf21("2","2","1","1","4","6","1","1") = "5"
    & skf21("2","2","1","1","4","6","2","1") = "5"
    & skf21("2","2","1","1","4","6","3","1") = "5"
    & skf21("2","2","1","1","4","6","4","1") = "5"
    & skf21("2","2","1","1","4","6","5","1") = "5"
    & skf21("2","2","1","1","4","6","6","1") = "5"
    & skf21("2","2","1","1","4","6","7","1") = "6"
    & skf21("2","2","1","1","4","7","1","1") = "6"
    & skf21("2","2","1","1","4","7","2","1") = "6"
    & skf21("2","2","1","1","4","7","3","1") = "6"
    & skf21("2","2","1","1","4","7","4","1") = "6"
    & skf21("2","2","1","1","4","7","5","1") = "6"
    & skf21("2","2","1","1","4","7","6","1") = "6"
    & skf21("2","2","1","1","4","7","7","1") = "6"
    & skf21("2","2","1","1","5","1","1","1") = "4"
    & skf21("2","2","1","1","5","1","2","1") = "4"
    & skf21("2","2","1","1","5","1","3","1") = "4"
    & skf21("2","2","1","1","5","1","4","1") = "4"
    & skf21("2","2","1","1","5","1","5","1") = "4"
    & skf21("2","2","1","1","5","1","6","1") = "5"
    & skf21("2","2","1","1","5","1","7","1") = "6"
    & skf21("2","2","1","1","5","2","1","1") = "4"
    & skf21("2","2","1","1","5","2","2","1") = "4"
    & skf21("2","2","1","1","5","2","3","1") = "4"
    & skf21("2","2","1","1","5","2","4","1") = "4"
    & skf21("2","2","1","1","5","2","5","1") = "4"
    & skf21("2","2","1","1","5","2","6","1") = "5"
    & skf21("2","2","1","1","5","2","7","1") = "6"
    & skf21("2","2","1","1","5","3","1","1") = "4"
    & skf21("2","2","1","1","5","3","2","1") = "4"
    & skf21("2","2","1","1","5","3","3","1") = "4"
    & skf21("2","2","1","1","5","3","4","1") = "4"
    & skf21("2","2","1","1","5","3","5","1") = "4"
    & skf21("2","2","1","1","5","3","6","1") = "5"
    & skf21("2","2","1","1","5","3","7","1") = "6"
    & skf21("2","2","1","1","5","4","1","1") = "4"
    & skf21("2","2","1","1","5","4","2","1") = "4"
    & skf21("2","2","1","1","5","4","3","1") = "4"
    & skf21("2","2","1","1","5","4","4","1") = "4"
    & skf21("2","2","1","1","5","4","5","1") = "4"
    & skf21("2","2","1","1","5","4","6","1") = "5"
    & skf21("2","2","1","1","5","4","7","1") = "6"
    & skf21("2","2","1","1","5","5","1","1") = "4"
    & skf21("2","2","1","1","5","5","2","1") = "4"
    & skf21("2","2","1","1","5","5","3","1") = "4"
    & skf21("2","2","1","1","5","5","4","1") = "4"
    & skf21("2","2","1","1","5","5","5","1") = "4"
    & skf21("2","2","1","1","5","5","6","1") = "5"
    & skf21("2","2","1","1","5","5","7","1") = "6"
    & skf21("2","2","1","1","5","6","1","1") = "5"
    & skf21("2","2","1","1","5","6","2","1") = "5"
    & skf21("2","2","1","1","5","6","3","1") = "5"
    & skf21("2","2","1","1","5","6","4","1") = "5"
    & skf21("2","2","1","1","5","6","5","1") = "5"
    & skf21("2","2","1","1","5","6","6","1") = "5"
    & skf21("2","2","1","1","5","6","7","1") = "6"
    & skf21("2","2","1","1","5","7","1","1") = "6"
    & skf21("2","2","1","1","5","7","2","1") = "6"
    & skf21("2","2","1","1","5","7","3","1") = "6"
    & skf21("2","2","1","1","5","7","4","1") = "6"
    & skf21("2","2","1","1","5","7","5","1") = "6"
    & skf21("2","2","1","1","5","7","6","1") = "6"
    & skf21("2","2","1","1","5","7","7","1") = "6"
    & skf21("2","2","1","1","6","1","1","1") = "5"
    & skf21("2","2","1","1","6","1","2","1") = "5"
    & skf21("2","2","1","1","6","1","3","1") = "5"
    & skf21("2","2","1","1","6","1","4","1") = "5"
    & skf21("2","2","1","1","6","1","5","1") = "5"
    & skf21("2","2","1","1","6","1","6","1") = "5"
    & skf21("2","2","1","1","6","1","7","1") = "6"
    & skf21("2","2","1","1","6","2","1","1") = "5"
    & skf21("2","2","1","1","6","2","2","1") = "5"
    & skf21("2","2","1","1","6","2","3","1") = "5"
    & skf21("2","2","1","1","6","2","4","1") = "5"
    & skf21("2","2","1","1","6","2","5","1") = "5"
    & skf21("2","2","1","1","6","2","6","1") = "5"
    & skf21("2","2","1","1","6","2","7","1") = "6"
    & skf21("2","2","1","1","6","3","1","1") = "5"
    & skf21("2","2","1","1","6","3","2","1") = "5"
    & skf21("2","2","1","1","6","3","3","1") = "5"
    & skf21("2","2","1","1","6","3","4","1") = "5"
    & skf21("2","2","1","1","6","3","5","1") = "5"
    & skf21("2","2","1","1","6","3","6","1") = "5"
    & skf21("2","2","1","1","6","3","7","1") = "6"
    & skf21("2","2","1","1","6","4","1","1") = "5"
    & skf21("2","2","1","1","6","4","2","1") = "5"
    & skf21("2","2","1","1","6","4","3","1") = "5"
    & skf21("2","2","1","1","6","4","4","1") = "5"
    & skf21("2","2","1","1","6","4","5","1") = "5"
    & skf21("2","2","1","1","6","4","6","1") = "5"
    & skf21("2","2","1","1","6","4","7","1") = "6"
    & skf21("2","2","1","1","6","5","1","1") = "5"
    & skf21("2","2","1","1","6","5","2","1") = "5"
    & skf21("2","2","1","1","6","5","3","1") = "5"
    & skf21("2","2","1","1","6","5","4","1") = "5"
    & skf21("2","2","1","1","6","5","5","1") = "5"
    & skf21("2","2","1","1","6","5","6","1") = "5"
    & skf21("2","2","1","1","6","5","7","1") = "6"
    & skf21("2","2","1","1","6","6","1","1") = "5"
    & skf21("2","2","1","1","6","6","2","1") = "5"
    & skf21("2","2","1","1","6","6","3","1") = "5"
    & skf21("2","2","1","1","6","6","4","1") = "5"
    & skf21("2","2","1","1","6","6","5","1") = "5"
    & skf21("2","2","1","1","6","6","6","1") = "5"
    & skf21("2","2","1","1","6","6","7","1") = "6"
    & skf21("2","2","1","1","6","7","1","1") = "6"
    & skf21("2","2","1","1","6","7","2","1") = "6"
    & skf21("2","2","1","1","6","7","3","1") = "6"
    & skf21("2","2","1","1","6","7","4","1") = "6"
    & skf21("2","2","1","1","6","7","5","1") = "6"
    & skf21("2","2","1","1","6","7","6","1") = "6"
    & skf21("2","2","1","1","6","7","7","1") = "6"
    & skf21("2","2","1","1","7","1","1","1") = "6"
    & skf21("2","2","1","1","7","1","2","1") = "6"
    & skf21("2","2","1","1","7","1","3","1") = "6"
    & skf21("2","2","1","1","7","1","4","1") = "6"
    & skf21("2","2","1","1","7","1","5","1") = "6"
    & skf21("2","2","1","1","7","1","6","1") = "6"
    & skf21("2","2","1","1","7","1","7","1") = "6"
    & skf21("2","2","1","1","7","2","1","1") = "6"
    & skf21("2","2","1","1","7","2","2","1") = "6"
    & skf21("2","2","1","1","7","2","3","1") = "6"
    & skf21("2","2","1","1","7","2","4","1") = "6"
    & skf21("2","2","1","1","7","2","5","1") = "6"
    & skf21("2","2","1","1","7","2","6","1") = "6"
    & skf21("2","2","1","1","7","2","7","1") = "6"
    & skf21("2","2","1","1","7","3","1","1") = "6"
    & skf21("2","2","1","1","7","3","2","1") = "6"
    & skf21("2","2","1","1","7","3","3","1") = "6"
    & skf21("2","2","1","1","7","3","4","1") = "6"
    & skf21("2","2","1","1","7","3","5","1") = "6"
    & skf21("2","2","1","1","7","3","6","1") = "6"
    & skf21("2","2","1","1","7","3","7","1") = "6"
    & skf21("2","2","1","1","7","4","1","1") = "6"
    & skf21("2","2","1","1","7","4","2","1") = "6"
    & skf21("2","2","1","1","7","4","3","1") = "6"
    & skf21("2","2","1","1","7","4","4","1") = "6"
    & skf21("2","2","1","1","7","4","5","1") = "6"
    & skf21("2","2","1","1","7","4","6","1") = "6"
    & skf21("2","2","1","1","7","4","7","1") = "6"
    & skf21("2","2","1","1","7","5","1","1") = "6"
    & skf21("2","2","1","1","7","5","2","1") = "6"
    & skf21("2","2","1","1","7","5","3","1") = "6"
    & skf21("2","2","1","1","7","5","4","1") = "6"
    & skf21("2","2","1","1","7","5","5","1") = "6"
    & skf21("2","2","1","1","7","5","6","1") = "6"
    & skf21("2","2","1","1","7","5","7","1") = "6"
    & skf21("2","2","1","1","7","6","1","1") = "6"
    & skf21("2","2","1","1","7","6","2","1") = "6"
    & skf21("2","2","1","1","7","6","3","1") = "6"
    & skf21("2","2","1","1","7","6","4","1") = "6"
    & skf21("2","2","1","1","7","6","5","1") = "6"
    & skf21("2","2","1","1","7","6","6","1") = "6"
    & skf21("2","2","1","1","7","6","7","1") = "6"
    & skf21("2","2","1","1","7","7","1","1") = "6"
    & skf21("2","2","1","1","7","7","2","1") = "6"
    & skf21("2","2","1","1","7","7","3","1") = "6"
    & skf21("2","2","1","1","7","7","4","1") = "6"
    & skf21("2","2","1","1","7","7","5","1") = "6"
    & skf21("2","2","1","1","7","7","6","1") = "6"
    & skf21("2","2","1","1","7","7","7","1") = "6"
    & skf21("2","2","1","2","1","1","1","1") = "1"
    & skf21("2","2","1","2","1","1","2","1") = "1"
    & skf21("2","2","1","2","1","1","3","1") = "2"
    & skf21("2","2","1","2","1","1","4","1") = "3"
    & skf21("2","2","1","2","1","1","5","1") = "4"
    & skf21("2","2","1","2","1","1","6","1") = "5"
    & skf21("2","2","1","2","1","1","7","1") = "6"
    & skf21("2","2","1","2","1","2","1","1") = "1"
    & skf21("2","2","1","2","1","2","2","1") = "1"
    & skf21("2","2","1","2","1","2","3","1") = "2"
    & skf21("2","2","1","2","1","2","4","1") = "3"
    & skf21("2","2","1","2","1","2","5","1") = "4"
    & skf21("2","2","1","2","1","2","6","1") = "5"
    & skf21("2","2","1","2","1","2","7","1") = "6"
    & skf21("2","2","1","2","1","3","1","1") = "2"
    & skf21("2","2","1","2","1","3","2","1") = "2"
    & skf21("2","2","1","2","1","3","3","1") = "2"
    & skf21("2","2","1","2","1","3","4","1") = "3"
    & skf21("2","2","1","2","1","3","5","1") = "4"
    & skf21("2","2","1","2","1","3","6","1") = "5"
    & skf21("2","2","1","2","1","3","7","1") = "6"
    & skf21("2","2","1","2","1","4","1","1") = "3"
    & skf21("2","2","1","2","1","4","2","1") = "3"
    & skf21("2","2","1","2","1","4","3","1") = "3"
    & skf21("2","2","1","2","1","4","4","1") = "3"
    & skf21("2","2","1","2","1","4","5","1") = "4"
    & skf21("2","2","1","2","1","4","6","1") = "5"
    & skf21("2","2","1","2","1","4","7","1") = "6"
    & skf21("2","2","1","2","1","5","1","1") = "4"
    & skf21("2","2","1","2","1","5","2","1") = "4"
    & skf21("2","2","1","2","1","5","3","1") = "4"
    & skf21("2","2","1","2","1","5","4","1") = "4"
    & skf21("2","2","1","2","1","5","5","1") = "4"
    & skf21("2","2","1","2","1","5","6","1") = "5"
    & skf21("2","2","1","2","1","5","7","1") = "6"
    & skf21("2","2","1","2","1","6","1","1") = "5"
    & skf21("2","2","1","2","1","6","2","1") = "5"
    & skf21("2","2","1","2","1","6","3","1") = "5"
    & skf21("2","2","1","2","1","6","4","1") = "5"
    & skf21("2","2","1","2","1","6","5","1") = "5"
    & skf21("2","2","1","2","1","6","6","1") = "5"
    & skf21("2","2","1","2","1","6","7","1") = "6"
    & skf21("2","2","1","2","1","7","1","1") = "6"
    & skf21("2","2","1","2","1","7","2","1") = "6"
    & skf21("2","2","1","2","1","7","3","1") = "6"
    & skf21("2","2","1","2","1","7","4","1") = "6"
    & skf21("2","2","1","2","1","7","5","1") = "6"
    & skf21("2","2","1","2","1","7","6","1") = "6"
    & skf21("2","2","1","2","1","7","7","1") = "6"
    & skf21("2","2","1","2","2","1","1","1") = "1"
    & skf21("2","2","1","2","2","1","2","1") = "2"
    & skf21("2","2","1","2","2","1","3","1") = "2"
    & skf21("2","2","1","2","2","1","4","1") = "3"
    & skf21("2","2","1","2","2","1","5","1") = "4"
    & skf21("2","2","1","2","2","1","6","1") = "5"
    & skf21("2","2","1","2","2","1","7","1") = "6"
    & skf21("2","2","1","2","2","2","1","1") = "1"
    & skf21("2","2","1","2","2","2","2","1") = "1"
    & skf21("2","2","1","2","2","2","3","1") = "2"
    & skf21("2","2","1","2","2","2","4","1") = "3"
    & skf21("2","2","1","2","2","2","5","1") = "4"
    & skf21("2","2","1","2","2","2","6","1") = "5"
    & skf21("2","2","1","2","2","2","7","1") = "6"
    & skf21("2","2","1","2","2","3","1","1") = "2"
    & skf21("2","2","1","2","2","3","2","1") = "2"
    & skf21("2","2","1","2","2","3","3","1") = "2"
    & skf21("2","2","1","2","2","3","4","1") = "3"
    & skf21("2","2","1","2","2","3","5","1") = "4"
    & skf21("2","2","1","2","2","3","6","1") = "5"
    & skf21("2","2","1","2","2","3","7","1") = "6"
    & skf21("2","2","1","2","2","4","1","1") = "3"
    & skf21("2","2","1","2","2","4","2","1") = "3"
    & skf21("2","2","1","2","2","4","3","1") = "3"
    & skf21("2","2","1","2","2","4","4","1") = "3"
    & skf21("2","2","1","2","2","4","5","1") = "4"
    & skf21("2","2","1","2","2","4","6","1") = "5"
    & skf21("2","2","1","2","2","4","7","1") = "6"
    & skf21("2","2","1","2","2","5","1","1") = "4"
    & skf21("2","2","1","2","2","5","2","1") = "4"
    & skf21("2","2","1","2","2","5","3","1") = "4"
    & skf21("2","2","1","2","2","5","4","1") = "4"
    & skf21("2","2","1","2","2","5","5","1") = "4"
    & skf21("2","2","1","2","2","5","6","1") = "5"
    & skf21("2","2","1","2","2","5","7","1") = "6"
    & skf21("2","2","1","2","2","6","1","1") = "5"
    & skf21("2","2","1","2","2","6","2","1") = "5"
    & skf21("2","2","1","2","2","6","3","1") = "5"
    & skf21("2","2","1","2","2","6","4","1") = "5"
    & skf21("2","2","1","2","2","6","5","1") = "5"
    & skf21("2","2","1","2","2","6","6","1") = "5"
    & skf21("2","2","1","2","2","6","7","1") = "6"
    & skf21("2","2","1","2","2","7","1","1") = "6"
    & skf21("2","2","1","2","2","7","2","1") = "6"
    & skf21("2","2","1","2","2","7","3","1") = "6"
    & skf21("2","2","1","2","2","7","4","1") = "6"
    & skf21("2","2","1","2","2","7","5","1") = "6"
    & skf21("2","2","1","2","2","7","6","1") = "6"
    & skf21("2","2","1","2","2","7","7","1") = "6"
    & skf21("2","2","1","2","3","1","1","1") = "2"
    & skf21("2","2","1","2","3","1","2","1") = "2"
    & skf21("2","2","1","2","3","1","3","1") = "2"
    & skf21("2","2","1","2","3","1","4","1") = "3"
    & skf21("2","2","1","2","3","1","5","1") = "4"
    & skf21("2","2","1","2","3","1","6","1") = "5"
    & skf21("2","2","1","2","3","1","7","1") = "6"
    & skf21("2","2","1","2","3","2","1","1") = "2"
    & skf21("2","2","1","2","3","2","2","1") = "2"
    & skf21("2","2","1","2","3","2","3","1") = "2"
    & skf21("2","2","1","2","3","2","4","1") = "3"
    & skf21("2","2","1","2","3","2","5","1") = "4"
    & skf21("2","2","1","2","3","2","6","1") = "5"
    & skf21("2","2","1","2","3","2","7","1") = "6"
    & skf21("2","2","1","2","3","3","1","1") = "2"
    & skf21("2","2","1","2","3","3","2","1") = "2"
    & skf21("2","2","1","2","3","3","3","1") = "2"
    & skf21("2","2","1","2","3","3","4","1") = "3"
    & skf21("2","2","1","2","3","3","5","1") = "4"
    & skf21("2","2","1","2","3","3","6","1") = "5"
    & skf21("2","2","1","2","3","3","7","1") = "6"
    & skf21("2","2","1","2","3","4","1","1") = "3"
    & skf21("2","2","1","2","3","4","2","1") = "3"
    & skf21("2","2","1","2","3","4","3","1") = "3"
    & skf21("2","2","1","2","3","4","4","1") = "3"
    & skf21("2","2","1","2","3","4","5","1") = "4"
    & skf21("2","2","1","2","3","4","6","1") = "5"
    & skf21("2","2","1","2","3","4","7","1") = "6"
    & skf21("2","2","1","2","3","5","1","1") = "4"
    & skf21("2","2","1","2","3","5","2","1") = "4"
    & skf21("2","2","1","2","3","5","3","1") = "4"
    & skf21("2","2","1","2","3","5","4","1") = "4"
    & skf21("2","2","1","2","3","5","5","1") = "4"
    & skf21("2","2","1","2","3","5","6","1") = "5"
    & skf21("2","2","1","2","3","5","7","1") = "6"
    & skf21("2","2","1","2","3","6","1","1") = "5"
    & skf21("2","2","1","2","3","6","2","1") = "5"
    & skf21("2","2","1","2","3","6","3","1") = "5"
    & skf21("2","2","1","2","3","6","4","1") = "5"
    & skf21("2","2","1","2","3","6","5","1") = "5"
    & skf21("2","2","1","2","3","6","6","1") = "5"
    & skf21("2","2","1","2","3","6","7","1") = "6"
    & skf21("2","2","1","2","3","7","1","1") = "6"
    & skf21("2","2","1","2","3","7","2","1") = "6"
    & skf21("2","2","1","2","3","7","3","1") = "6"
    & skf21("2","2","1","2","3","7","4","1") = "6"
    & skf21("2","2","1","2","3","7","5","1") = "6"
    & skf21("2","2","1","2","3","7","6","1") = "6"
    & skf21("2","2","1","2","3","7","7","1") = "6"
    & skf21("2","2","1","2","4","1","1","1") = "3"
    & skf21("2","2","1","2","4","1","2","1") = "3"
    & skf21("2","2","1","2","4","1","3","1") = "3"
    & skf21("2","2","1","2","4","1","4","1") = "3"
    & skf21("2","2","1","2","4","1","5","1") = "4"
    & skf21("2","2","1","2","4","1","6","1") = "5"
    & skf21("2","2","1","2","4","1","7","1") = "6"
    & skf21("2","2","1","2","4","2","1","1") = "3"
    & skf21("2","2","1","2","4","2","2","1") = "3"
    & skf21("2","2","1","2","4","2","3","1") = "3"
    & skf21("2","2","1","2","4","2","4","1") = "3"
    & skf21("2","2","1","2","4","2","5","1") = "4"
    & skf21("2","2","1","2","4","2","6","1") = "5"
    & skf21("2","2","1","2","4","2","7","1") = "6"
    & skf21("2","2","1","2","4","3","1","1") = "3"
    & skf21("2","2","1","2","4","3","2","1") = "3"
    & skf21("2","2","1","2","4","3","3","1") = "3"
    & skf21("2","2","1","2","4","3","4","1") = "3"
    & skf21("2","2","1","2","4","3","5","1") = "4"
    & skf21("2","2","1","2","4","3","6","1") = "5"
    & skf21("2","2","1","2","4","3","7","1") = "6"
    & skf21("2","2","1","2","4","4","1","1") = "3"
    & skf21("2","2","1","2","4","4","2","1") = "3"
    & skf21("2","2","1","2","4","4","3","1") = "3"
    & skf21("2","2","1","2","4","4","4","1") = "3"
    & skf21("2","2","1","2","4","4","5","1") = "4"
    & skf21("2","2","1","2","4","4","6","1") = "5"
    & skf21("2","2","1","2","4","4","7","1") = "6"
    & skf21("2","2","1","2","4","5","1","1") = "4"
    & skf21("2","2","1","2","4","5","2","1") = "4"
    & skf21("2","2","1","2","4","5","3","1") = "4"
    & skf21("2","2","1","2","4","5","4","1") = "4"
    & skf21("2","2","1","2","4","5","5","1") = "4"
    & skf21("2","2","1","2","4","5","6","1") = "5"
    & skf21("2","2","1","2","4","5","7","1") = "6"
    & skf21("2","2","1","2","4","6","1","1") = "5"
    & skf21("2","2","1","2","4","6","2","1") = "5"
    & skf21("2","2","1","2","4","6","3","1") = "5"
    & skf21("2","2","1","2","4","6","4","1") = "5"
    & skf21("2","2","1","2","4","6","5","1") = "5"
    & skf21("2","2","1","2","4","6","6","1") = "5"
    & skf21("2","2","1","2","4","6","7","1") = "6"
    & skf21("2","2","1","2","4","7","1","1") = "6"
    & skf21("2","2","1","2","4","7","2","1") = "6"
    & skf21("2","2","1","2","4","7","3","1") = "6"
    & skf21("2","2","1","2","4","7","4","1") = "6"
    & skf21("2","2","1","2","4","7","5","1") = "6"
    & skf21("2","2","1","2","4","7","6","1") = "6"
    & skf21("2","2","1","2","4","7","7","1") = "6"
    & skf21("2","2","1","2","5","1","1","1") = "4"
    & skf21("2","2","1","2","5","1","2","1") = "4"
    & skf21("2","2","1","2","5","1","3","1") = "4"
    & skf21("2","2","1","2","5","1","4","1") = "4"
    & skf21("2","2","1","2","5","1","5","1") = "4"
    & skf21("2","2","1","2","5","1","6","1") = "5"
    & skf21("2","2","1","2","5","1","7","1") = "6"
    & skf21("2","2","1","2","5","2","1","1") = "4"
    & skf21("2","2","1","2","5","2","2","1") = "4"
    & skf21("2","2","1","2","5","2","3","1") = "4"
    & skf21("2","2","1","2","5","2","4","1") = "4"
    & skf21("2","2","1","2","5","2","5","1") = "4"
    & skf21("2","2","1","2","5","2","6","1") = "5"
    & skf21("2","2","1","2","5","2","7","1") = "6"
    & skf21("2","2","1","2","5","3","1","1") = "4"
    & skf21("2","2","1","2","5","3","2","1") = "4"
    & skf21("2","2","1","2","5","3","3","1") = "4"
    & skf21("2","2","1","2","5","3","4","1") = "4"
    & skf21("2","2","1","2","5","3","5","1") = "4"
    & skf21("2","2","1","2","5","3","6","1") = "5"
    & skf21("2","2","1","2","5","3","7","1") = "6"
    & skf21("2","2","1","2","5","4","1","1") = "4"
    & skf21("2","2","1","2","5","4","2","1") = "4"
    & skf21("2","2","1","2","5","4","3","1") = "4"
    & skf21("2","2","1","2","5","4","4","1") = "4"
    & skf21("2","2","1","2","5","4","5","1") = "4"
    & skf21("2","2","1","2","5","4","6","1") = "5"
    & skf21("2","2","1","2","5","4","7","1") = "6"
    & skf21("2","2","1","2","5","5","1","1") = "4"
    & skf21("2","2","1","2","5","5","2","1") = "4"
    & skf21("2","2","1","2","5","5","3","1") = "4"
    & skf21("2","2","1","2","5","5","4","1") = "4"
    & skf21("2","2","1","2","5","5","5","1") = "4"
    & skf21("2","2","1","2","5","5","6","1") = "5"
    & skf21("2","2","1","2","5","5","7","1") = "6"
    & skf21("2","2","1","2","5","6","1","1") = "5"
    & skf21("2","2","1","2","5","6","2","1") = "5"
    & skf21("2","2","1","2","5","6","3","1") = "5"
    & skf21("2","2","1","2","5","6","4","1") = "5"
    & skf21("2","2","1","2","5","6","5","1") = "5"
    & skf21("2","2","1","2","5","6","6","1") = "5"
    & skf21("2","2","1","2","5","6","7","1") = "6"
    & skf21("2","2","1","2","5","7","1","1") = "6"
    & skf21("2","2","1","2","5","7","2","1") = "6"
    & skf21("2","2","1","2","5","7","3","1") = "6"
    & skf21("2","2","1","2","5","7","4","1") = "6"
    & skf21("2","2","1","2","5","7","5","1") = "6"
    & skf21("2","2","1","2","5","7","6","1") = "6"
    & skf21("2","2","1","2","5","7","7","1") = "6"
    & skf21("2","2","1","2","6","1","1","1") = "5"
    & skf21("2","2","1","2","6","1","2","1") = "5"
    & skf21("2","2","1","2","6","1","3","1") = "5"
    & skf21("2","2","1","2","6","1","4","1") = "5"
    & skf21("2","2","1","2","6","1","5","1") = "5"
    & skf21("2","2","1","2","6","1","6","1") = "5"
    & skf21("2","2","1","2","6","1","7","1") = "6"
    & skf21("2","2","1","2","6","2","1","1") = "5"
    & skf21("2","2","1","2","6","2","2","1") = "5"
    & skf21("2","2","1","2","6","2","3","1") = "5"
    & skf21("2","2","1","2","6","2","4","1") = "5"
    & skf21("2","2","1","2","6","2","5","1") = "5"
    & skf21("2","2","1","2","6","2","6","1") = "5"
    & skf21("2","2","1","2","6","2","7","1") = "6"
    & skf21("2","2","1","2","6","3","1","1") = "5"
    & skf21("2","2","1","2","6","3","2","1") = "5"
    & skf21("2","2","1","2","6","3","3","1") = "5"
    & skf21("2","2","1","2","6","3","4","1") = "5"
    & skf21("2","2","1","2","6","3","5","1") = "5"
    & skf21("2","2","1","2","6","3","6","1") = "5"
    & skf21("2","2","1","2","6","3","7","1") = "6"
    & skf21("2","2","1","2","6","4","1","1") = "5"
    & skf21("2","2","1","2","6","4","2","1") = "5"
    & skf21("2","2","1","2","6","4","3","1") = "5"
    & skf21("2","2","1","2","6","4","4","1") = "5"
    & skf21("2","2","1","2","6","4","5","1") = "5"
    & skf21("2","2","1","2","6","4","6","1") = "5"
    & skf21("2","2","1","2","6","4","7","1") = "6"
    & skf21("2","2","1","2","6","5","1","1") = "5"
    & skf21("2","2","1","2","6","5","2","1") = "5"
    & skf21("2","2","1","2","6","5","3","1") = "5"
    & skf21("2","2","1","2","6","5","4","1") = "5"
    & skf21("2","2","1","2","6","5","5","1") = "5"
    & skf21("2","2","1","2","6","5","6","1") = "5"
    & skf21("2","2","1","2","6","5","7","1") = "6"
    & skf21("2","2","1","2","6","6","1","1") = "5"
    & skf21("2","2","1","2","6","6","2","1") = "5"
    & skf21("2","2","1","2","6","6","3","1") = "5"
    & skf21("2","2","1","2","6","6","4","1") = "5"
    & skf21("2","2","1","2","6","6","5","1") = "5"
    & skf21("2","2","1","2","6","6","6","1") = "5"
    & skf21("2","2","1","2","6","6","7","1") = "6"
    & skf21("2","2","1","2","6","7","1","1") = "6"
    & skf21("2","2","1","2","6","7","2","1") = "6"
    & skf21("2","2","1","2","6","7","3","1") = "6"
    & skf21("2","2","1","2","6","7","4","1") = "6"
    & skf21("2","2","1","2","6","7","5","1") = "6"
    & skf21("2","2","1","2","6","7","6","1") = "6"
    & skf21("2","2","1","2","6","7","7","1") = "6"
    & skf21("2","2","1","2","7","1","1","1") = "6"
    & skf21("2","2","1","2","7","1","2","1") = "6"
    & skf21("2","2","1","2","7","1","3","1") = "6"
    & skf21("2","2","1","2","7","1","4","1") = "6"
    & skf21("2","2","1","2","7","1","5","1") = "6"
    & skf21("2","2","1","2","7","1","6","1") = "6"
    & skf21("2","2","1","2","7","1","7","1") = "6"
    & skf21("2","2","1","2","7","2","1","1") = "6"
    & skf21("2","2","1","2","7","2","2","1") = "6"
    & skf21("2","2","1","2","7","2","3","1") = "6"
    & skf21("2","2","1","2","7","2","4","1") = "6"
    & skf21("2","2","1","2","7","2","5","1") = "6"
    & skf21("2","2","1","2","7","2","6","1") = "6"
    & skf21("2","2","1","2","7","2","7","1") = "6"
    & skf21("2","2","1","2","7","3","1","1") = "6"
    & skf21("2","2","1","2","7","3","2","1") = "6"
    & skf21("2","2","1","2","7","3","3","1") = "6"
    & skf21("2","2","1","2","7","3","4","1") = "6"
    & skf21("2","2","1","2","7","3","5","1") = "6"
    & skf21("2","2","1","2","7","3","6","1") = "6"
    & skf21("2","2","1","2","7","3","7","1") = "6"
    & skf21("2","2","1","2","7","4","1","1") = "6"
    & skf21("2","2","1","2","7","4","2","1") = "6"
    & skf21("2","2","1","2","7","4","3","1") = "6"
    & skf21("2","2","1","2","7","4","4","1") = "6"
    & skf21("2","2","1","2","7","4","5","1") = "6"
    & skf21("2","2","1","2","7","4","6","1") = "6"
    & skf21("2","2","1","2","7","4","7","1") = "6"
    & skf21("2","2","1","2","7","5","1","1") = "6"
    & skf21("2","2","1","2","7","5","2","1") = "6"
    & skf21("2","2","1","2","7","5","3","1") = "6"
    & skf21("2","2","1","2","7","5","4","1") = "6"
    & skf21("2","2","1","2","7","5","5","1") = "6"
    & skf21("2","2","1","2","7","5","6","1") = "6"
    & skf21("2","2","1","2","7","5","7","1") = "6"
    & skf21("2","2","1","2","7","6","1","1") = "6"
    & skf21("2","2","1","2","7","6","2","1") = "6"
    & skf21("2","2","1","2","7","6","3","1") = "6"
    & skf21("2","2","1","2","7","6","4","1") = "6"
    & skf21("2","2","1","2","7","6","5","1") = "6"
    & skf21("2","2","1","2","7","6","6","1") = "6"
    & skf21("2","2","1","2","7","6","7","1") = "6"
    & skf21("2","2","1","2","7","7","1","1") = "6"
    & skf21("2","2","1","2","7","7","2","1") = "6"
    & skf21("2","2","1","2","7","7","3","1") = "6"
    & skf21("2","2","1","2","7","7","4","1") = "6"
    & skf21("2","2","1","2","7","7","5","1") = "6"
    & skf21("2","2","1","2","7","7","6","1") = "6"
    & skf21("2","2","1","2","7","7","7","1") = "6"
    & skf21("2","2","1","3","1","1","1","1") = "2"
    & skf21("2","2","1","3","1","1","2","1") = "2"
    & skf21("2","2","1","3","1","1","3","1") = "2"
    & skf21("2","2","1","3","1","1","4","1") = "3"
    & skf21("2","2","1","3","1","1","5","1") = "4"
    & skf21("2","2","1","3","1","1","6","1") = "5"
    & skf21("2","2","1","3","1","1","7","1") = "6"
    & skf21("2","2","1","3","1","2","1","1") = "2"
    & skf21("2","2","1","3","1","2","2","1") = "2"
    & skf21("2","2","1","3","1","2","3","1") = "2"
    & skf21("2","2","1","3","1","2","4","1") = "3"
    & skf21("2","2","1","3","1","2","5","1") = "4"
    & skf21("2","2","1","3","1","2","6","1") = "5"
    & skf21("2","2","1","3","1","2","7","1") = "6"
    & skf21("2","2","1","3","1","3","1","1") = "2"
    & skf21("2","2","1","3","1","3","2","1") = "2"
    & skf21("2","2","1","3","1","3","3","1") = "2"
    & skf21("2","2","1","3","1","3","4","1") = "3"
    & skf21("2","2","1","3","1","3","5","1") = "4"
    & skf21("2","2","1","3","1","3","6","1") = "5"
    & skf21("2","2","1","3","1","3","7","1") = "6"
    & skf21("2","2","1","3","1","4","1","1") = "3"
    & skf21("2","2","1","3","1","4","2","1") = "3"
    & skf21("2","2","1","3","1","4","3","1") = "3"
    & skf21("2","2","1","3","1","4","4","1") = "3"
    & skf21("2","2","1","3","1","4","5","1") = "4"
    & skf21("2","2","1","3","1","4","6","1") = "5"
    & skf21("2","2","1","3","1","4","7","1") = "6"
    & skf21("2","2","1","3","1","5","1","1") = "4"
    & skf21("2","2","1","3","1","5","2","1") = "4"
    & skf21("2","2","1","3","1","5","3","1") = "4"
    & skf21("2","2","1","3","1","5","4","1") = "4"
    & skf21("2","2","1","3","1","5","5","1") = "4"
    & skf21("2","2","1","3","1","5","6","1") = "5"
    & skf21("2","2","1","3","1","5","7","1") = "6"
    & skf21("2","2","1","3","1","6","1","1") = "5"
    & skf21("2","2","1","3","1","6","2","1") = "5"
    & skf21("2","2","1","3","1","6","3","1") = "5"
    & skf21("2","2","1","3","1","6","4","1") = "5"
    & skf21("2","2","1","3","1","6","5","1") = "5"
    & skf21("2","2","1","3","1","6","6","1") = "5"
    & skf21("2","2","1","3","1","6","7","1") = "6"
    & skf21("2","2","1","3","1","7","1","1") = "6"
    & skf21("2","2","1","3","1","7","2","1") = "6"
    & skf21("2","2","1","3","1","7","3","1") = "6"
    & skf21("2","2","1","3","1","7","4","1") = "6"
    & skf21("2","2","1","3","1","7","5","1") = "6"
    & skf21("2","2","1","3","1","7","6","1") = "6"
    & skf21("2","2","1","3","1","7","7","1") = "6"
    & skf21("2","2","1","3","2","1","1","1") = "2"
    & skf21("2","2","1","3","2","1","2","1") = "2"
    & skf21("2","2","1","3","2","1","3","1") = "2"
    & skf21("2","2","1","3","2","1","4","1") = "3"
    & skf21("2","2","1","3","2","1","5","1") = "4"
    & skf21("2","2","1","3","2","1","6","1") = "5"
    & skf21("2","2","1","3","2","1","7","1") = "6"
    & skf21("2","2","1","3","2","2","1","1") = "2"
    & skf21("2","2","1","3","2","2","2","1") = "2"
    & skf21("2","2","1","3","2","2","3","1") = "2"
    & skf21("2","2","1","3","2","2","4","1") = "3"
    & skf21("2","2","1","3","2","2","5","1") = "4"
    & skf21("2","2","1","3","2","2","6","1") = "5"
    & skf21("2","2","1","3","2","2","7","1") = "6"
    & skf21("2","2","1","3","2","3","1","1") = "2"
    & skf21("2","2","1","3","2","3","2","1") = "2"
    & skf21("2","2","1","3","2","3","3","1") = "2"
    & skf21("2","2","1","3","2","3","4","1") = "3"
    & skf21("2","2","1","3","2","3","5","1") = "4"
    & skf21("2","2","1","3","2","3","6","1") = "5"
    & skf21("2","2","1","3","2","3","7","1") = "6"
    & skf21("2","2","1","3","2","4","1","1") = "3"
    & skf21("2","2","1","3","2","4","2","1") = "3"
    & skf21("2","2","1","3","2","4","3","1") = "3"
    & skf21("2","2","1","3","2","4","4","1") = "3"
    & skf21("2","2","1","3","2","4","5","1") = "4"
    & skf21("2","2","1","3","2","4","6","1") = "5"
    & skf21("2","2","1","3","2","4","7","1") = "6"
    & skf21("2","2","1","3","2","5","1","1") = "4"
    & skf21("2","2","1","3","2","5","2","1") = "4"
    & skf21("2","2","1","3","2","5","3","1") = "4"
    & skf21("2","2","1","3","2","5","4","1") = "4"
    & skf21("2","2","1","3","2","5","5","1") = "4"
    & skf21("2","2","1","3","2","5","6","1") = "5"
    & skf21("2","2","1","3","2","5","7","1") = "6"
    & skf21("2","2","1","3","2","6","1","1") = "5"
    & skf21("2","2","1","3","2","6","2","1") = "5"
    & skf21("2","2","1","3","2","6","3","1") = "5"
    & skf21("2","2","1","3","2","6","4","1") = "5"
    & skf21("2","2","1","3","2","6","5","1") = "5"
    & skf21("2","2","1","3","2","6","6","1") = "5"
    & skf21("2","2","1","3","2","6","7","1") = "6"
    & skf21("2","2","1","3","2","7","1","1") = "6"
    & skf21("2","2","1","3","2","7","2","1") = "6"
    & skf21("2","2","1","3","2","7","3","1") = "6"
    & skf21("2","2","1","3","2","7","4","1") = "6"
    & skf21("2","2","1","3","2","7","5","1") = "6"
    & skf21("2","2","1","3","2","7","6","1") = "6"
    & skf21("2","2","1","3","2","7","7","1") = "6"
    & skf21("2","2","1","3","3","1","1","1") = "2"
    & skf21("2","2","1","3","3","1","2","1") = "2"
    & skf21("2","2","1","3","3","1","3","1") = "2"
    & skf21("2","2","1","3","3","1","4","1") = "3"
    & skf21("2","2","1","3","3","1","5","1") = "4"
    & skf21("2","2","1","3","3","1","6","1") = "5"
    & skf21("2","2","1","3","3","1","7","1") = "6"
    & skf21("2","2","1","3","3","2","1","1") = "2"
    & skf21("2","2","1","3","3","2","2","1") = "2"
    & skf21("2","2","1","3","3","2","3","1") = "2"
    & skf21("2","2","1","3","3","2","4","1") = "3"
    & skf21("2","2","1","3","3","2","5","1") = "4"
    & skf21("2","2","1","3","3","2","6","1") = "5"
    & skf21("2","2","1","3","3","2","7","1") = "6"
    & skf21("2","2","1","3","3","3","1","1") = "2"
    & skf21("2","2","1","3","3","3","2","1") = "2"
    & skf21("2","2","1","3","3","3","3","1") = "2"
    & skf21("2","2","1","3","3","3","4","1") = "3"
    & skf21("2","2","1","3","3","3","5","1") = "4"
    & skf21("2","2","1","3","3","3","6","1") = "5"
    & skf21("2","2","1","3","3","3","7","1") = "6"
    & skf21("2","2","1","3","3","4","1","1") = "3"
    & skf21("2","2","1","3","3","4","2","1") = "3"
    & skf21("2","2","1","3","3","4","3","1") = "3"
    & skf21("2","2","1","3","3","4","4","1") = "3"
    & skf21("2","2","1","3","3","4","5","1") = "4"
    & skf21("2","2","1","3","3","4","6","1") = "5"
    & skf21("2","2","1","3","3","4","7","1") = "6"
    & skf21("2","2","1","3","3","5","1","1") = "4"
    & skf21("2","2","1","3","3","5","2","1") = "4"
    & skf21("2","2","1","3","3","5","3","1") = "4"
    & skf21("2","2","1","3","3","5","4","1") = "4"
    & skf21("2","2","1","3","3","5","5","1") = "4"
    & skf21("2","2","1","3","3","5","6","1") = "5"
    & skf21("2","2","1","3","3","5","7","1") = "6"
    & skf21("2","2","1","3","3","6","1","1") = "5"
    & skf21("2","2","1","3","3","6","2","1") = "5"
    & skf21("2","2","1","3","3","6","3","1") = "5"
    & skf21("2","2","1","3","3","6","4","1") = "5"
    & skf21("2","2","1","3","3","6","5","1") = "5"
    & skf21("2","2","1","3","3","6","6","1") = "5"
    & skf21("2","2","1","3","3","6","7","1") = "6"
    & skf21("2","2","1","3","3","7","1","1") = "6"
    & skf21("2","2","1","3","3","7","2","1") = "6"
    & skf21("2","2","1","3","3","7","3","1") = "6"
    & skf21("2","2","1","3","3","7","4","1") = "6"
    & skf21("2","2","1","3","3","7","5","1") = "6"
    & skf21("2","2","1","3","3","7","6","1") = "6"
    & skf21("2","2","1","3","3","7","7","1") = "6"
    & skf21("2","2","1","3","4","1","1","1") = "3"
    & skf21("2","2","1","3","4","1","2","1") = "3"
    & skf21("2","2","1","3","4","1","3","1") = "3"
    & skf21("2","2","1","3","4","1","4","1") = "3"
    & skf21("2","2","1","3","4","1","5","1") = "4"
    & skf21("2","2","1","3","4","1","6","1") = "5"
    & skf21("2","2","1","3","4","1","7","1") = "6"
    & skf21("2","2","1","3","4","2","1","1") = "3"
    & skf21("2","2","1","3","4","2","2","1") = "3"
    & skf21("2","2","1","3","4","2","3","1") = "3"
    & skf21("2","2","1","3","4","2","4","1") = "3"
    & skf21("2","2","1","3","4","2","5","1") = "4"
    & skf21("2","2","1","3","4","2","6","1") = "5"
    & skf21("2","2","1","3","4","2","7","1") = "6"
    & skf21("2","2","1","3","4","3","1","1") = "3"
    & skf21("2","2","1","3","4","3","2","1") = "3"
    & skf21("2","2","1","3","4","3","3","1") = "3"
    & skf21("2","2","1","3","4","3","4","1") = "3"
    & skf21("2","2","1","3","4","3","5","1") = "4"
    & skf21("2","2","1","3","4","3","6","1") = "5"
    & skf21("2","2","1","3","4","3","7","1") = "6"
    & skf21("2","2","1","3","4","4","1","1") = "3"
    & skf21("2","2","1","3","4","4","2","1") = "3"
    & skf21("2","2","1","3","4","4","3","1") = "3"
    & skf21("2","2","1","3","4","4","4","1") = "3"
    & skf21("2","2","1","3","4","4","5","1") = "4"
    & skf21("2","2","1","3","4","4","6","1") = "5"
    & skf21("2","2","1","3","4","4","7","1") = "6"
    & skf21("2","2","1","3","4","5","1","1") = "4"
    & skf21("2","2","1","3","4","5","2","1") = "4"
    & skf21("2","2","1","3","4","5","3","1") = "4"
    & skf21("2","2","1","3","4","5","4","1") = "4"
    & skf21("2","2","1","3","4","5","5","1") = "4"
    & skf21("2","2","1","3","4","5","6","1") = "5"
    & skf21("2","2","1","3","4","5","7","1") = "6"
    & skf21("2","2","1","3","4","6","1","1") = "5"
    & skf21("2","2","1","3","4","6","2","1") = "5"
    & skf21("2","2","1","3","4","6","3","1") = "5"
    & skf21("2","2","1","3","4","6","4","1") = "5"
    & skf21("2","2","1","3","4","6","5","1") = "5"
    & skf21("2","2","1","3","4","6","6","1") = "5"
    & skf21("2","2","1","3","4","6","7","1") = "6"
    & skf21("2","2","1","3","4","7","1","1") = "6"
    & skf21("2","2","1","3","4","7","2","1") = "6"
    & skf21("2","2","1","3","4","7","3","1") = "6"
    & skf21("2","2","1","3","4","7","4","1") = "6"
    & skf21("2","2","1","3","4","7","5","1") = "6"
    & skf21("2","2","1","3","4","7","6","1") = "6"
    & skf21("2","2","1","3","4","7","7","1") = "6"
    & skf21("2","2","1","3","5","1","1","1") = "4"
    & skf21("2","2","1","3","5","1","2","1") = "4"
    & skf21("2","2","1","3","5","1","3","1") = "4"
    & skf21("2","2","1","3","5","1","4","1") = "4"
    & skf21("2","2","1","3","5","1","5","1") = "4"
    & skf21("2","2","1","3","5","1","6","1") = "5"
    & skf21("2","2","1","3","5","1","7","1") = "6"
    & skf21("2","2","1","3","5","2","1","1") = "4"
    & skf21("2","2","1","3","5","2","2","1") = "4"
    & skf21("2","2","1","3","5","2","3","1") = "4"
    & skf21("2","2","1","3","5","2","4","1") = "4"
    & skf21("2","2","1","3","5","2","5","1") = "4"
    & skf21("2","2","1","3","5","2","6","1") = "5"
    & skf21("2","2","1","3","5","2","7","1") = "6"
    & skf21("2","2","1","3","5","3","1","1") = "4"
    & skf21("2","2","1","3","5","3","2","1") = "4"
    & skf21("2","2","1","3","5","3","3","1") = "4"
    & skf21("2","2","1","3","5","3","4","1") = "4"
    & skf21("2","2","1","3","5","3","5","1") = "4"
    & skf21("2","2","1","3","5","3","6","1") = "5"
    & skf21("2","2","1","3","5","3","7","1") = "6"
    & skf21("2","2","1","3","5","4","1","1") = "4"
    & skf21("2","2","1","3","5","4","2","1") = "4"
    & skf21("2","2","1","3","5","4","3","1") = "4"
    & skf21("2","2","1","3","5","4","4","1") = "4"
    & skf21("2","2","1","3","5","4","5","1") = "4"
    & skf21("2","2","1","3","5","4","6","1") = "5"
    & skf21("2","2","1","3","5","4","7","1") = "6"
    & skf21("2","2","1","3","5","5","1","1") = "4"
    & skf21("2","2","1","3","5","5","2","1") = "4"
    & skf21("2","2","1","3","5","5","3","1") = "4"
    & skf21("2","2","1","3","5","5","4","1") = "4"
    & skf21("2","2","1","3","5","5","5","1") = "4"
    & skf21("2","2","1","3","5","5","6","1") = "5"
    & skf21("2","2","1","3","5","5","7","1") = "6"
    & skf21("2","2","1","3","5","6","1","1") = "5"
    & skf21("2","2","1","3","5","6","2","1") = "5"
    & skf21("2","2","1","3","5","6","3","1") = "5"
    & skf21("2","2","1","3","5","6","4","1") = "5"
    & skf21("2","2","1","3","5","6","5","1") = "5"
    & skf21("2","2","1","3","5","6","6","1") = "5"
    & skf21("2","2","1","3","5","6","7","1") = "6"
    & skf21("2","2","1","3","5","7","1","1") = "6"
    & skf21("2","2","1","3","5","7","2","1") = "6"
    & skf21("2","2","1","3","5","7","3","1") = "6"
    & skf21("2","2","1","3","5","7","4","1") = "6"
    & skf21("2","2","1","3","5","7","5","1") = "6"
    & skf21("2","2","1","3","5","7","6","1") = "6"
    & skf21("2","2","1","3","5","7","7","1") = "6"
    & skf21("2","2","1","3","6","1","1","1") = "5"
    & skf21("2","2","1","3","6","1","2","1") = "5"
    & skf21("2","2","1","3","6","1","3","1") = "5"
    & skf21("2","2","1","3","6","1","4","1") = "5"
    & skf21("2","2","1","3","6","1","5","1") = "5"
    & skf21("2","2","1","3","6","1","6","1") = "5"
    & skf21("2","2","1","3","6","1","7","1") = "6"
    & skf21("2","2","1","3","6","2","1","1") = "5"
    & skf21("2","2","1","3","6","2","2","1") = "5"
    & skf21("2","2","1","3","6","2","3","1") = "5"
    & skf21("2","2","1","3","6","2","4","1") = "5"
    & skf21("2","2","1","3","6","2","5","1") = "5"
    & skf21("2","2","1","3","6","2","6","1") = "5"
    & skf21("2","2","1","3","6","2","7","1") = "6"
    & skf21("2","2","1","3","6","3","1","1") = "5"
    & skf21("2","2","1","3","6","3","2","1") = "5"
    & skf21("2","2","1","3","6","3","3","1") = "5"
    & skf21("2","2","1","3","6","3","4","1") = "5"
    & skf21("2","2","1","3","6","3","5","1") = "5"
    & skf21("2","2","1","3","6","3","6","1") = "5"
    & skf21("2","2","1","3","6","3","7","1") = "6"
    & skf21("2","2","1","3","6","4","1","1") = "5"
    & skf21("2","2","1","3","6","4","2","1") = "5"
    & skf21("2","2","1","3","6","4","3","1") = "5"
    & skf21("2","2","1","3","6","4","4","1") = "5"
    & skf21("2","2","1","3","6","4","5","1") = "5"
    & skf21("2","2","1","3","6","4","6","1") = "5"
    & skf21("2","2","1","3","6","4","7","1") = "6"
    & skf21("2","2","1","3","6","5","1","1") = "5"
    & skf21("2","2","1","3","6","5","2","1") = "5"
    & skf21("2","2","1","3","6","5","3","1") = "5"
    & skf21("2","2","1","3","6","5","4","1") = "5"
    & skf21("2","2","1","3","6","5","5","1") = "5"
    & skf21("2","2","1","3","6","5","6","1") = "5"
    & skf21("2","2","1","3","6","5","7","1") = "6"
    & skf21("2","2","1","3","6","6","1","1") = "5"
    & skf21("2","2","1","3","6","6","2","1") = "5"
    & skf21("2","2","1","3","6","6","3","1") = "5"
    & skf21("2","2","1","3","6","6","4","1") = "5"
    & skf21("2","2","1","3","6","6","5","1") = "5"
    & skf21("2","2","1","3","6","6","6","1") = "5"
    & skf21("2","2","1","3","6","6","7","1") = "6"
    & skf21("2","2","1","3","6","7","1","1") = "6"
    & skf21("2","2","1","3","6","7","2","1") = "6"
    & skf21("2","2","1","3","6","7","3","1") = "6"
    & skf21("2","2","1","3","6","7","4","1") = "6"
    & skf21("2","2","1","3","6","7","5","1") = "6"
    & skf21("2","2","1","3","6","7","6","1") = "6"
    & skf21("2","2","1","3","6","7","7","1") = "6"
    & skf21("2","2","1","3","7","1","1","1") = "6"
    & skf21("2","2","1","3","7","1","2","1") = "6"
    & skf21("2","2","1","3","7","1","3","1") = "6"
    & skf21("2","2","1","3","7","1","4","1") = "6"
    & skf21("2","2","1","3","7","1","5","1") = "6"
    & skf21("2","2","1","3","7","1","6","1") = "6"
    & skf21("2","2","1","3","7","1","7","1") = "6"
    & skf21("2","2","1","3","7","2","1","1") = "6"
    & skf21("2","2","1","3","7","2","2","1") = "6"
    & skf21("2","2","1","3","7","2","3","1") = "6"
    & skf21("2","2","1","3","7","2","4","1") = "6"
    & skf21("2","2","1","3","7","2","5","1") = "6"
    & skf21("2","2","1","3","7","2","6","1") = "6"
    & skf21("2","2","1","3","7","2","7","1") = "6"
    & skf21("2","2","1","3","7","3","1","1") = "6"
    & skf21("2","2","1","3","7","3","2","1") = "6"
    & skf21("2","2","1","3","7","3","3","1") = "6"
    & skf21("2","2","1","3","7","3","4","1") = "6"
    & skf21("2","2","1","3","7","3","5","1") = "6"
    & skf21("2","2","1","3","7","3","6","1") = "6"
    & skf21("2","2","1","3","7","3","7","1") = "6"
    & skf21("2","2","1","3","7","4","1","1") = "6"
    & skf21("2","2","1","3","7","4","2","1") = "6"
    & skf21("2","2","1","3","7","4","3","1") = "6"
    & skf21("2","2","1","3","7","4","4","1") = "6"
    & skf21("2","2","1","3","7","4","5","1") = "6"
    & skf21("2","2","1","3","7","4","6","1") = "6"
    & skf21("2","2","1","3","7","4","7","1") = "6"
    & skf21("2","2","1","3","7","5","1","1") = "6"
    & skf21("2","2","1","3","7","5","2","1") = "6"
    & skf21("2","2","1","3","7","5","3","1") = "6"
    & skf21("2","2","1","3","7","5","4","1") = "6"
    & skf21("2","2","1","3","7","5","5","1") = "6"
    & skf21("2","2","1","3","7","5","6","1") = "6"
    & skf21("2","2","1","3","7","5","7","1") = "6"
    & skf21("2","2","1","3","7","6","1","1") = "6"
    & skf21("2","2","1","3","7","6","2","1") = "6"
    & skf21("2","2","1","3","7","6","3","1") = "6"
    & skf21("2","2","1","3","7","6","4","1") = "6"
    & skf21("2","2","1","3","7","6","5","1") = "6"
    & skf21("2","2","1","3","7","6","6","1") = "6"
    & skf21("2","2","1","3","7","6","7","1") = "6"
    & skf21("2","2","1","3","7","7","1","1") = "6"
    & skf21("2","2","1","3","7","7","2","1") = "6"
    & skf21("2","2","1","3","7","7","3","1") = "6"
    & skf21("2","2","1","3","7","7","4","1") = "6"
    & skf21("2","2","1","3","7","7","5","1") = "6"
    & skf21("2","2","1","3","7","7","6","1") = "6"
    & skf21("2","2","1","3","7","7","7","1") = "6"
    & skf21("2","2","1","4","1","1","1","1") = "3"
    & skf21("2","2","1","4","1","1","2","1") = "3"
    & skf21("2","2","1","4","1","1","3","1") = "3"
    & skf21("2","2","1","4","1","1","4","1") = "3"
    & skf21("2","2","1","4","1","1","5","1") = "4"
    & skf21("2","2","1","4","1","1","6","1") = "5"
    & skf21("2","2","1","4","1","1","7","1") = "6"
    & skf21("2","2","1","4","1","2","1","1") = "3"
    & skf21("2","2","1","4","1","2","2","1") = "3"
    & skf21("2","2","1","4","1","2","3","1") = "3"
    & skf21("2","2","1","4","1","2","4","1") = "3"
    & skf21("2","2","1","4","1","2","5","1") = "4"
    & skf21("2","2","1","4","1","2","6","1") = "5"
    & skf21("2","2","1","4","1","2","7","1") = "6"
    & skf21("2","2","1","4","1","3","1","1") = "3"
    & skf21("2","2","1","4","1","3","2","1") = "3"
    & skf21("2","2","1","4","1","3","3","1") = "3"
    & skf21("2","2","1","4","1","3","4","1") = "3"
    & skf21("2","2","1","4","1","3","5","1") = "4"
    & skf21("2","2","1","4","1","3","6","1") = "5"
    & skf21("2","2","1","4","1","3","7","1") = "6"
    & skf21("2","2","1","4","1","4","1","1") = "3"
    & skf21("2","2","1","4","1","4","2","1") = "3"
    & skf21("2","2","1","4","1","4","3","1") = "3"
    & skf21("2","2","1","4","1","4","4","1") = "3"
    & skf21("2","2","1","4","1","4","5","1") = "4"
    & skf21("2","2","1","4","1","4","6","1") = "5"
    & skf21("2","2","1","4","1","4","7","1") = "6"
    & skf21("2","2","1","4","1","5","1","1") = "4"
    & skf21("2","2","1","4","1","5","2","1") = "4"
    & skf21("2","2","1","4","1","5","3","1") = "4"
    & skf21("2","2","1","4","1","5","4","1") = "4"
    & skf21("2","2","1","4","1","5","5","1") = "4"
    & skf21("2","2","1","4","1","5","6","1") = "5"
    & skf21("2","2","1","4","1","5","7","1") = "6"
    & skf21("2","2","1","4","1","6","1","1") = "5"
    & skf21("2","2","1","4","1","6","2","1") = "5"
    & skf21("2","2","1","4","1","6","3","1") = "5"
    & skf21("2","2","1","4","1","6","4","1") = "5"
    & skf21("2","2","1","4","1","6","5","1") = "5"
    & skf21("2","2","1","4","1","6","6","1") = "5"
    & skf21("2","2","1","4","1","6","7","1") = "6"
    & skf21("2","2","1","4","1","7","1","1") = "6"
    & skf21("2","2","1","4","1","7","2","1") = "6"
    & skf21("2","2","1","4","1","7","3","1") = "6"
    & skf21("2","2","1","4","1","7","4","1") = "6"
    & skf21("2","2","1","4","1","7","5","1") = "6"
    & skf21("2","2","1","4","1","7","6","1") = "6"
    & skf21("2","2","1","4","1","7","7","1") = "6"
    & skf21("2","2","1","4","2","1","1","1") = "3"
    & skf21("2","2","1","4","2","1","2","1") = "3"
    & skf21("2","2","1","4","2","1","3","1") = "3"
    & skf21("2","2","1","4","2","1","4","1") = "3"
    & skf21("2","2","1","4","2","1","5","1") = "4"
    & skf21("2","2","1","4","2","1","6","1") = "5"
    & skf21("2","2","1","4","2","1","7","1") = "6"
    & skf21("2","2","1","4","2","2","1","1") = "3"
    & skf21("2","2","1","4","2","2","2","1") = "3"
    & skf21("2","2","1","4","2","2","3","1") = "3"
    & skf21("2","2","1","4","2","2","4","1") = "3"
    & skf21("2","2","1","4","2","2","5","1") = "4"
    & skf21("2","2","1","4","2","2","6","1") = "5"
    & skf21("2","2","1","4","2","2","7","1") = "6"
    & skf21("2","2","1","4","2","3","1","1") = "3"
    & skf21("2","2","1","4","2","3","2","1") = "3"
    & skf21("2","2","1","4","2","3","3","1") = "3"
    & skf21("2","2","1","4","2","3","4","1") = "3"
    & skf21("2","2","1","4","2","3","5","1") = "4"
    & skf21("2","2","1","4","2","3","6","1") = "5"
    & skf21("2","2","1","4","2","3","7","1") = "6"
    & skf21("2","2","1","4","2","4","1","1") = "3"
    & skf21("2","2","1","4","2","4","2","1") = "3"
    & skf21("2","2","1","4","2","4","3","1") = "3"
    & skf21("2","2","1","4","2","4","4","1") = "3"
    & skf21("2","2","1","4","2","4","5","1") = "4"
    & skf21("2","2","1","4","2","4","6","1") = "5"
    & skf21("2","2","1","4","2","4","7","1") = "6"
    & skf21("2","2","1","4","2","5","1","1") = "4"
    & skf21("2","2","1","4","2","5","2","1") = "4"
    & skf21("2","2","1","4","2","5","3","1") = "4"
    & skf21("2","2","1","4","2","5","4","1") = "4"
    & skf21("2","2","1","4","2","5","5","1") = "4"
    & skf21("2","2","1","4","2","5","6","1") = "5"
    & skf21("2","2","1","4","2","5","7","1") = "6"
    & skf21("2","2","1","4","2","6","1","1") = "5"
    & skf21("2","2","1","4","2","6","2","1") = "5"
    & skf21("2","2","1","4","2","6","3","1") = "5"
    & skf21("2","2","1","4","2","6","4","1") = "5"
    & skf21("2","2","1","4","2","6","5","1") = "5"
    & skf21("2","2","1","4","2","6","6","1") = "5"
    & skf21("2","2","1","4","2","6","7","1") = "6"
    & skf21("2","2","1","4","2","7","1","1") = "6"
    & skf21("2","2","1","4","2","7","2","1") = "6"
    & skf21("2","2","1","4","2","7","3","1") = "6"
    & skf21("2","2","1","4","2","7","4","1") = "6"
    & skf21("2","2","1","4","2","7","5","1") = "6"
    & skf21("2","2","1","4","2","7","6","1") = "6"
    & skf21("2","2","1","4","2","7","7","1") = "6"
    & skf21("2","2","1","4","3","1","1","1") = "3"
    & skf21("2","2","1","4","3","1","2","1") = "3"
    & skf21("2","2","1","4","3","1","3","1") = "3"
    & skf21("2","2","1","4","3","1","4","1") = "3"
    & skf21("2","2","1","4","3","1","5","1") = "4"
    & skf21("2","2","1","4","3","1","6","1") = "5"
    & skf21("2","2","1","4","3","1","7","1") = "6"
    & skf21("2","2","1","4","3","2","1","1") = "3"
    & skf21("2","2","1","4","3","2","2","1") = "3"
    & skf21("2","2","1","4","3","2","3","1") = "3"
    & skf21("2","2","1","4","3","2","4","1") = "3"
    & skf21("2","2","1","4","3","2","5","1") = "4"
    & skf21("2","2","1","4","3","2","6","1") = "5"
    & skf21("2","2","1","4","3","2","7","1") = "6"
    & skf21("2","2","1","4","3","3","1","1") = "3"
    & skf21("2","2","1","4","3","3","2","1") = "3"
    & skf21("2","2","1","4","3","3","3","1") = "3"
    & skf21("2","2","1","4","3","3","4","1") = "3"
    & skf21("2","2","1","4","3","3","5","1") = "4"
    & skf21("2","2","1","4","3","3","6","1") = "5"
    & skf21("2","2","1","4","3","3","7","1") = "6"
    & skf21("2","2","1","4","3","4","1","1") = "3"
    & skf21("2","2","1","4","3","4","2","1") = "3"
    & skf21("2","2","1","4","3","4","3","1") = "3"
    & skf21("2","2","1","4","3","4","4","1") = "3"
    & skf21("2","2","1","4","3","4","5","1") = "4"
    & skf21("2","2","1","4","3","4","6","1") = "5"
    & skf21("2","2","1","4","3","4","7","1") = "6"
    & skf21("2","2","1","4","3","5","1","1") = "4"
    & skf21("2","2","1","4","3","5","2","1") = "4"
    & skf21("2","2","1","4","3","5","3","1") = "4"
    & skf21("2","2","1","4","3","5","4","1") = "4"
    & skf21("2","2","1","4","3","5","5","1") = "4"
    & skf21("2","2","1","4","3","5","6","1") = "5"
    & skf21("2","2","1","4","3","5","7","1") = "6"
    & skf21("2","2","1","4","3","6","1","1") = "5"
    & skf21("2","2","1","4","3","6","2","1") = "5"
    & skf21("2","2","1","4","3","6","3","1") = "5"
    & skf21("2","2","1","4","3","6","4","1") = "5"
    & skf21("2","2","1","4","3","6","5","1") = "5"
    & skf21("2","2","1","4","3","6","6","1") = "5"
    & skf21("2","2","1","4","3","6","7","1") = "6"
    & skf21("2","2","1","4","3","7","1","1") = "6"
    & skf21("2","2","1","4","3","7","2","1") = "6"
    & skf21("2","2","1","4","3","7","3","1") = "6"
    & skf21("2","2","1","4","3","7","4","1") = "6"
    & skf21("2","2","1","4","3","7","5","1") = "6"
    & skf21("2","2","1","4","3","7","6","1") = "6"
    & skf21("2","2","1","4","3","7","7","1") = "6"
    & skf21("2","2","1","4","4","1","1","1") = "3"
    & skf21("2","2","1","4","4","1","2","1") = "3"
    & skf21("2","2","1","4","4","1","3","1") = "3"
    & skf21("2","2","1","4","4","1","4","1") = "3"
    & skf21("2","2","1","4","4","1","5","1") = "4"
    & skf21("2","2","1","4","4","1","6","1") = "5"
    & skf21("2","2","1","4","4","1","7","1") = "6"
    & skf21("2","2","1","4","4","2","1","1") = "3"
    & skf21("2","2","1","4","4","2","2","1") = "3"
    & skf21("2","2","1","4","4","2","3","1") = "3"
    & skf21("2","2","1","4","4","2","4","1") = "3"
    & skf21("2","2","1","4","4","2","5","1") = "4"
    & skf21("2","2","1","4","4","2","6","1") = "5"
    & skf21("2","2","1","4","4","2","7","1") = "6"
    & skf21("2","2","1","4","4","3","1","1") = "3"
    & skf21("2","2","1","4","4","3","2","1") = "3"
    & skf21("2","2","1","4","4","3","3","1") = "3"
    & skf21("2","2","1","4","4","3","4","1") = "3"
    & skf21("2","2","1","4","4","3","5","1") = "4"
    & skf21("2","2","1","4","4","3","6","1") = "5"
    & skf21("2","2","1","4","4","3","7","1") = "6"
    & skf21("2","2","1","4","4","4","1","1") = "3"
    & skf21("2","2","1","4","4","4","2","1") = "3"
    & skf21("2","2","1","4","4","4","3","1") = "3"
    & skf21("2","2","1","4","4","4","4","1") = "3"
    & skf21("2","2","1","4","4","4","5","1") = "4"
    & skf21("2","2","1","4","4","4","6","1") = "5"
    & skf21("2","2","1","4","4","4","7","1") = "6"
    & skf21("2","2","1","4","4","5","1","1") = "4"
    & skf21("2","2","1","4","4","5","2","1") = "4"
    & skf21("2","2","1","4","4","5","3","1") = "4"
    & skf21("2","2","1","4","4","5","4","1") = "4"
    & skf21("2","2","1","4","4","5","5","1") = "4"
    & skf21("2","2","1","4","4","5","6","1") = "5"
    & skf21("2","2","1","4","4","5","7","1") = "6"
    & skf21("2","2","1","4","4","6","1","1") = "5"
    & skf21("2","2","1","4","4","6","2","1") = "5"
    & skf21("2","2","1","4","4","6","3","1") = "5"
    & skf21("2","2","1","4","4","6","4","1") = "5"
    & skf21("2","2","1","4","4","6","5","1") = "5"
    & skf21("2","2","1","4","4","6","6","1") = "5"
    & skf21("2","2","1","4","4","6","7","1") = "6"
    & skf21("2","2","1","4","4","7","1","1") = "6"
    & skf21("2","2","1","4","4","7","2","1") = "6"
    & skf21("2","2","1","4","4","7","3","1") = "6"
    & skf21("2","2","1","4","4","7","4","1") = "6"
    & skf21("2","2","1","4","4","7","5","1") = "6"
    & skf21("2","2","1","4","4","7","6","1") = "6"
    & skf21("2","2","1","4","4","7","7","1") = "6"
    & skf21("2","2","1","4","5","1","1","1") = "4"
    & skf21("2","2","1","4","5","1","2","1") = "4"
    & skf21("2","2","1","4","5","1","3","1") = "4"
    & skf21("2","2","1","4","5","1","4","1") = "4"
    & skf21("2","2","1","4","5","1","5","1") = "4"
    & skf21("2","2","1","4","5","1","6","1") = "5"
    & skf21("2","2","1","4","5","1","7","1") = "6"
    & skf21("2","2","1","4","5","2","1","1") = "4"
    & skf21("2","2","1","4","5","2","2","1") = "4"
    & skf21("2","2","1","4","5","2","3","1") = "4"
    & skf21("2","2","1","4","5","2","4","1") = "4"
    & skf21("2","2","1","4","5","2","5","1") = "4"
    & skf21("2","2","1","4","5","2","6","1") = "5"
    & skf21("2","2","1","4","5","2","7","1") = "6"
    & skf21("2","2","1","4","5","3","1","1") = "4"
    & skf21("2","2","1","4","5","3","2","1") = "4"
    & skf21("2","2","1","4","5","3","3","1") = "4"
    & skf21("2","2","1","4","5","3","4","1") = "4"
    & skf21("2","2","1","4","5","3","5","1") = "4"
    & skf21("2","2","1","4","5","3","6","1") = "5"
    & skf21("2","2","1","4","5","3","7","1") = "6"
    & skf21("2","2","1","4","5","4","1","1") = "4"
    & skf21("2","2","1","4","5","4","2","1") = "4"
    & skf21("2","2","1","4","5","4","3","1") = "4"
    & skf21("2","2","1","4","5","4","4","1") = "4"
    & skf21("2","2","1","4","5","4","5","1") = "4"
    & skf21("2","2","1","4","5","4","6","1") = "5"
    & skf21("2","2","1","4","5","4","7","1") = "6"
    & skf21("2","2","1","4","5","5","1","1") = "4"
    & skf21("2","2","1","4","5","5","2","1") = "4"
    & skf21("2","2","1","4","5","5","3","1") = "4"
    & skf21("2","2","1","4","5","5","4","1") = "4"
    & skf21("2","2","1","4","5","5","5","1") = "4"
    & skf21("2","2","1","4","5","5","6","1") = "5"
    & skf21("2","2","1","4","5","5","7","1") = "6"
    & skf21("2","2","1","4","5","6","1","1") = "5"
    & skf21("2","2","1","4","5","6","2","1") = "5"
    & skf21("2","2","1","4","5","6","3","1") = "5"
    & skf21("2","2","1","4","5","6","4","1") = "5"
    & skf21("2","2","1","4","5","6","5","1") = "5"
    & skf21("2","2","1","4","5","6","6","1") = "5"
    & skf21("2","2","1","4","5","6","7","1") = "6"
    & skf21("2","2","1","4","5","7","1","1") = "6"
    & skf21("2","2","1","4","5","7","2","1") = "6"
    & skf21("2","2","1","4","5","7","3","1") = "6"
    & skf21("2","2","1","4","5","7","4","1") = "6"
    & skf21("2","2","1","4","5","7","5","1") = "6"
    & skf21("2","2","1","4","5","7","6","1") = "6"
    & skf21("2","2","1","4","5","7","7","1") = "6"
    & skf21("2","2","1","4","6","1","1","1") = "5"
    & skf21("2","2","1","4","6","1","2","1") = "5"
    & skf21("2","2","1","4","6","1","3","1") = "5"
    & skf21("2","2","1","4","6","1","4","1") = "5"
    & skf21("2","2","1","4","6","1","5","1") = "5"
    & skf21("2","2","1","4","6","1","6","1") = "5"
    & skf21("2","2","1","4","6","1","7","1") = "6"
    & skf21("2","2","1","4","6","2","1","1") = "5"
    & skf21("2","2","1","4","6","2","2","1") = "5"
    & skf21("2","2","1","4","6","2","3","1") = "5"
    & skf21("2","2","1","4","6","2","4","1") = "5"
    & skf21("2","2","1","4","6","2","5","1") = "5"
    & skf21("2","2","1","4","6","2","6","1") = "5"
    & skf21("2","2","1","4","6","2","7","1") = "6"
    & skf21("2","2","1","4","6","3","1","1") = "5"
    & skf21("2","2","1","4","6","3","2","1") = "5"
    & skf21("2","2","1","4","6","3","3","1") = "5"
    & skf21("2","2","1","4","6","3","4","1") = "5"
    & skf21("2","2","1","4","6","3","5","1") = "5"
    & skf21("2","2","1","4","6","3","6","1") = "5"
    & skf21("2","2","1","4","6","3","7","1") = "6"
    & skf21("2","2","1","4","6","4","1","1") = "5"
    & skf21("2","2","1","4","6","4","2","1") = "5"
    & skf21("2","2","1","4","6","4","3","1") = "5"
    & skf21("2","2","1","4","6","4","4","1") = "5"
    & skf21("2","2","1","4","6","4","5","1") = "5"
    & skf21("2","2","1","4","6","4","6","1") = "5"
    & skf21("2","2","1","4","6","4","7","1") = "6"
    & skf21("2","2","1","4","6","5","1","1") = "5"
    & skf21("2","2","1","4","6","5","2","1") = "5"
    & skf21("2","2","1","4","6","5","3","1") = "5"
    & skf21("2","2","1","4","6","5","4","1") = "5"
    & skf21("2","2","1","4","6","5","5","1") = "5"
    & skf21("2","2","1","4","6","5","6","1") = "5"
    & skf21("2","2","1","4","6","5","7","1") = "6"
    & skf21("2","2","1","4","6","6","1","1") = "5"
    & skf21("2","2","1","4","6","6","2","1") = "5"
    & skf21("2","2","1","4","6","6","3","1") = "5"
    & skf21("2","2","1","4","6","6","4","1") = "5"
    & skf21("2","2","1","4","6","6","5","1") = "5"
    & skf21("2","2","1","4","6","6","6","1") = "5"
    & skf21("2","2","1","4","6","6","7","1") = "6"
    & skf21("2","2","1","4","6","7","1","1") = "6"
    & skf21("2","2","1","4","6","7","2","1") = "6"
    & skf21("2","2","1","4","6","7","3","1") = "6"
    & skf21("2","2","1","4","6","7","4","1") = "6"
    & skf21("2","2","1","4","6","7","5","1") = "6"
    & skf21("2","2","1","4","6","7","6","1") = "6"
    & skf21("2","2","1","4","6","7","7","1") = "6"
    & skf21("2","2","1","4","7","1","1","1") = "6"
    & skf21("2","2","1","4","7","1","2","1") = "6"
    & skf21("2","2","1","4","7","1","3","1") = "6"
    & skf21("2","2","1","4","7","1","4","1") = "6"
    & skf21("2","2","1","4","7","1","5","1") = "6"
    & skf21("2","2","1","4","7","1","6","1") = "6"
    & skf21("2","2","1","4","7","1","7","1") = "6"
    & skf21("2","2","1","4","7","2","1","1") = "6"
    & skf21("2","2","1","4","7","2","2","1") = "6"
    & skf21("2","2","1","4","7","2","3","1") = "6"
    & skf21("2","2","1","4","7","2","4","1") = "6"
    & skf21("2","2","1","4","7","2","5","1") = "6"
    & skf21("2","2","1","4","7","2","6","1") = "6"
    & skf21("2","2","1","4","7","2","7","1") = "6"
    & skf21("2","2","1","4","7","3","1","1") = "6"
    & skf21("2","2","1","4","7","3","2","1") = "6"
    & skf21("2","2","1","4","7","3","3","1") = "6"
    & skf21("2","2","1","4","7","3","4","1") = "6"
    & skf21("2","2","1","4","7","3","5","1") = "6"
    & skf21("2","2","1","4","7","3","6","1") = "6"
    & skf21("2","2","1","4","7","3","7","1") = "6"
    & skf21("2","2","1","4","7","4","1","1") = "6"
    & skf21("2","2","1","4","7","4","2","1") = "6"
    & skf21("2","2","1","4","7","4","3","1") = "6"
    & skf21("2","2","1","4","7","4","4","1") = "6"
    & skf21("2","2","1","4","7","4","5","1") = "6"
    & skf21("2","2","1","4","7","4","6","1") = "6"
    & skf21("2","2","1","4","7","4","7","1") = "6"
    & skf21("2","2","1","4","7","5","1","1") = "6"
    & skf21("2","2","1","4","7","5","2","1") = "6"
    & skf21("2","2","1","4","7","5","3","1") = "6"
    & skf21("2","2","1","4","7","5","4","1") = "6"
    & skf21("2","2","1","4","7","5","5","1") = "6"
    & skf21("2","2","1","4","7","5","6","1") = "6"
    & skf21("2","2","1","4","7","5","7","1") = "6"
    & skf21("2","2","1","4","7","6","1","1") = "6"
    & skf21("2","2","1","4","7","6","2","1") = "6"
    & skf21("2","2","1","4","7","6","3","1") = "6"
    & skf21("2","2","1","4","7","6","4","1") = "6"
    & skf21("2","2","1","4","7","6","5","1") = "6"
    & skf21("2","2","1","4","7","6","6","1") = "6"
    & skf21("2","2","1","4","7","6","7","1") = "6"
    & skf21("2","2","1","4","7","7","1","1") = "6"
    & skf21("2","2","1","4","7","7","2","1") = "6"
    & skf21("2","2","1","4","7","7","3","1") = "6"
    & skf21("2","2","1","4","7","7","4","1") = "6"
    & skf21("2","2","1","4","7","7","5","1") = "6"
    & skf21("2","2","1","4","7","7","6","1") = "6"
    & skf21("2","2","1","4","7","7","7","1") = "6"
    & skf21("2","2","1","5","1","1","1","1") = "4"
    & skf21("2","2","1","5","1","1","2","1") = "4"
    & skf21("2","2","1","5","1","1","3","1") = "4"
    & skf21("2","2","1","5","1","1","4","1") = "4"
    & skf21("2","2","1","5","1","1","5","1") = "4"
    & skf21("2","2","1","5","1","1","6","1") = "5"
    & skf21("2","2","1","5","1","1","7","1") = "6"
    & skf21("2","2","1","5","1","2","1","1") = "4"
    & skf21("2","2","1","5","1","2","2","1") = "4"
    & skf21("2","2","1","5","1","2","3","1") = "4"
    & skf21("2","2","1","5","1","2","4","1") = "4"
    & skf21("2","2","1","5","1","2","5","1") = "4"
    & skf21("2","2","1","5","1","2","6","1") = "5"
    & skf21("2","2","1","5","1","2","7","1") = "6"
    & skf21("2","2","1","5","1","3","1","1") = "4"
    & skf21("2","2","1","5","1","3","2","1") = "4"
    & skf21("2","2","1","5","1","3","3","1") = "4"
    & skf21("2","2","1","5","1","3","4","1") = "4"
    & skf21("2","2","1","5","1","3","5","1") = "4"
    & skf21("2","2","1","5","1","3","6","1") = "5"
    & skf21("2","2","1","5","1","3","7","1") = "6"
    & skf21("2","2","1","5","1","4","1","1") = "4"
    & skf21("2","2","1","5","1","4","2","1") = "4"
    & skf21("2","2","1","5","1","4","3","1") = "4"
    & skf21("2","2","1","5","1","4","4","1") = "4"
    & skf21("2","2","1","5","1","4","5","1") = "4"
    & skf21("2","2","1","5","1","4","6","1") = "5"
    & skf21("2","2","1","5","1","4","7","1") = "6"
    & skf21("2","2","1","5","1","5","1","1") = "4"
    & skf21("2","2","1","5","1","5","2","1") = "4"
    & skf21("2","2","1","5","1","5","3","1") = "4"
    & skf21("2","2","1","5","1","5","4","1") = "4"
    & skf21("2","2","1","5","1","5","5","1") = "4"
    & skf21("2","2","1","5","1","5","6","1") = "5"
    & skf21("2","2","1","5","1","5","7","1") = "6"
    & skf21("2","2","1","5","1","6","1","1") = "5"
    & skf21("2","2","1","5","1","6","2","1") = "5"
    & skf21("2","2","1","5","1","6","3","1") = "5"
    & skf21("2","2","1","5","1","6","4","1") = "5"
    & skf21("2","2","1","5","1","6","5","1") = "5"
    & skf21("2","2","1","5","1","6","6","1") = "5"
    & skf21("2","2","1","5","1","6","7","1") = "6"
    & skf21("2","2","1","5","1","7","1","1") = "6"
    & skf21("2","2","1","5","1","7","2","1") = "6"
    & skf21("2","2","1","5","1","7","3","1") = "6"
    & skf21("2","2","1","5","1","7","4","1") = "6"
    & skf21("2","2","1","5","1","7","5","1") = "6"
    & skf21("2","2","1","5","1","7","6","1") = "6"
    & skf21("2","2","1","5","1","7","7","1") = "6"
    & skf21("2","2","1","5","2","1","1","1") = "4"
    & skf21("2","2","1","5","2","1","2","1") = "4"
    & skf21("2","2","1","5","2","1","3","1") = "4"
    & skf21("2","2","1","5","2","1","4","1") = "4"
    & skf21("2","2","1","5","2","1","5","1") = "4"
    & skf21("2","2","1","5","2","1","6","1") = "5"
    & skf21("2","2","1","5","2","1","7","1") = "6"
    & skf21("2","2","1","5","2","2","1","1") = "4"
    & skf21("2","2","1","5","2","2","2","1") = "4"
    & skf21("2","2","1","5","2","2","3","1") = "4"
    & skf21("2","2","1","5","2","2","4","1") = "4"
    & skf21("2","2","1","5","2","2","5","1") = "4"
    & skf21("2","2","1","5","2","2","6","1") = "5"
    & skf21("2","2","1","5","2","2","7","1") = "6"
    & skf21("2","2","1","5","2","3","1","1") = "4"
    & skf21("2","2","1","5","2","3","2","1") = "4"
    & skf21("2","2","1","5","2","3","3","1") = "4"
    & skf21("2","2","1","5","2","3","4","1") = "4"
    & skf21("2","2","1","5","2","3","5","1") = "4"
    & skf21("2","2","1","5","2","3","6","1") = "5"
    & skf21("2","2","1","5","2","3","7","1") = "6"
    & skf21("2","2","1","5","2","4","1","1") = "4"
    & skf21("2","2","1","5","2","4","2","1") = "4"
    & skf21("2","2","1","5","2","4","3","1") = "4"
    & skf21("2","2","1","5","2","4","4","1") = "4"
    & skf21("2","2","1","5","2","4","5","1") = "4"
    & skf21("2","2","1","5","2","4","6","1") = "5"
    & skf21("2","2","1","5","2","4","7","1") = "6"
    & skf21("2","2","1","5","2","5","1","1") = "4"
    & skf21("2","2","1","5","2","5","2","1") = "4"
    & skf21("2","2","1","5","2","5","3","1") = "4"
    & skf21("2","2","1","5","2","5","4","1") = "4"
    & skf21("2","2","1","5","2","5","5","1") = "4"
    & skf21("2","2","1","5","2","5","6","1") = "5"
    & skf21("2","2","1","5","2","5","7","1") = "6"
    & skf21("2","2","1","5","2","6","1","1") = "5"
    & skf21("2","2","1","5","2","6","2","1") = "5"
    & skf21("2","2","1","5","2","6","3","1") = "5"
    & skf21("2","2","1","5","2","6","4","1") = "5"
    & skf21("2","2","1","5","2","6","5","1") = "5"
    & skf21("2","2","1","5","2","6","6","1") = "5"
    & skf21("2","2","1","5","2","6","7","1") = "6"
    & skf21("2","2","1","5","2","7","1","1") = "6"
    & skf21("2","2","1","5","2","7","2","1") = "6"
    & skf21("2","2","1","5","2","7","3","1") = "6"
    & skf21("2","2","1","5","2","7","4","1") = "6"
    & skf21("2","2","1","5","2","7","5","1") = "6"
    & skf21("2","2","1","5","2","7","6","1") = "6"
    & skf21("2","2","1","5","2","7","7","1") = "6"
    & skf21("2","2","1","5","3","1","1","1") = "4"
    & skf21("2","2","1","5","3","1","2","1") = "4"
    & skf21("2","2","1","5","3","1","3","1") = "4"
    & skf21("2","2","1","5","3","1","4","1") = "4"
    & skf21("2","2","1","5","3","1","5","1") = "4"
    & skf21("2","2","1","5","3","1","6","1") = "5"
    & skf21("2","2","1","5","3","1","7","1") = "6"
    & skf21("2","2","1","5","3","2","1","1") = "4"
    & skf21("2","2","1","5","3","2","2","1") = "4"
    & skf21("2","2","1","5","3","2","3","1") = "4"
    & skf21("2","2","1","5","3","2","4","1") = "4"
    & skf21("2","2","1","5","3","2","5","1") = "4"
    & skf21("2","2","1","5","3","2","6","1") = "5"
    & skf21("2","2","1","5","3","2","7","1") = "6"
    & skf21("2","2","1","5","3","3","1","1") = "4"
    & skf21("2","2","1","5","3","3","2","1") = "4"
    & skf21("2","2","1","5","3","3","3","1") = "4"
    & skf21("2","2","1","5","3","3","4","1") = "4"
    & skf21("2","2","1","5","3","3","5","1") = "4"
    & skf21("2","2","1","5","3","3","6","1") = "5"
    & skf21("2","2","1","5","3","3","7","1") = "6"
    & skf21("2","2","1","5","3","4","1","1") = "4"
    & skf21("2","2","1","5","3","4","2","1") = "4"
    & skf21("2","2","1","5","3","4","3","1") = "4"
    & skf21("2","2","1","5","3","4","4","1") = "4"
    & skf21("2","2","1","5","3","4","5","1") = "4"
    & skf21("2","2","1","5","3","4","6","1") = "5"
    & skf21("2","2","1","5","3","4","7","1") = "6"
    & skf21("2","2","1","5","3","5","1","1") = "4"
    & skf21("2","2","1","5","3","5","2","1") = "4"
    & skf21("2","2","1","5","3","5","3","1") = "4"
    & skf21("2","2","1","5","3","5","4","1") = "4"
    & skf21("2","2","1","5","3","5","5","1") = "4"
    & skf21("2","2","1","5","3","5","6","1") = "5"
    & skf21("2","2","1","5","3","5","7","1") = "6"
    & skf21("2","2","1","5","3","6","1","1") = "5"
    & skf21("2","2","1","5","3","6","2","1") = "5"
    & skf21("2","2","1","5","3","6","3","1") = "5"
    & skf21("2","2","1","5","3","6","4","1") = "5"
    & skf21("2","2","1","5","3","6","5","1") = "5"
    & skf21("2","2","1","5","3","6","6","1") = "5"
    & skf21("2","2","1","5","3","6","7","1") = "6"
    & skf21("2","2","1","5","3","7","1","1") = "6"
    & skf21("2","2","1","5","3","7","2","1") = "6"
    & skf21("2","2","1","5","3","7","3","1") = "6"
    & skf21("2","2","1","5","3","7","4","1") = "6"
    & skf21("2","2","1","5","3","7","5","1") = "6"
    & skf21("2","2","1","5","3","7","6","1") = "6"
    & skf21("2","2","1","5","3","7","7","1") = "6"
    & skf21("2","2","1","5","4","1","1","1") = "4"
    & skf21("2","2","1","5","4","1","2","1") = "4"
    & skf21("2","2","1","5","4","1","3","1") = "4"
    & skf21("2","2","1","5","4","1","4","1") = "4"
    & skf21("2","2","1","5","4","1","5","1") = "4"
    & skf21("2","2","1","5","4","1","6","1") = "5"
    & skf21("2","2","1","5","4","1","7","1") = "6"
    & skf21("2","2","1","5","4","2","1","1") = "4"
    & skf21("2","2","1","5","4","2","2","1") = "4"
    & skf21("2","2","1","5","4","2","3","1") = "4"
    & skf21("2","2","1","5","4","2","4","1") = "4"
    & skf21("2","2","1","5","4","2","5","1") = "4"
    & skf21("2","2","1","5","4","2","6","1") = "5"
    & skf21("2","2","1","5","4","2","7","1") = "6"
    & skf21("2","2","1","5","4","3","1","1") = "4"
    & skf21("2","2","1","5","4","3","2","1") = "4"
    & skf21("2","2","1","5","4","3","3","1") = "4"
    & skf21("2","2","1","5","4","3","4","1") = "4"
    & skf21("2","2","1","5","4","3","5","1") = "4"
    & skf21("2","2","1","5","4","3","6","1") = "5"
    & skf21("2","2","1","5","4","3","7","1") = "6"
    & skf21("2","2","1","5","4","4","1","1") = "4"
    & skf21("2","2","1","5","4","4","2","1") = "4"
    & skf21("2","2","1","5","4","4","3","1") = "4"
    & skf21("2","2","1","5","4","4","4","1") = "4"
    & skf21("2","2","1","5","4","4","5","1") = "4"
    & skf21("2","2","1","5","4","4","6","1") = "5"
    & skf21("2","2","1","5","4","4","7","1") = "6"
    & skf21("2","2","1","5","4","5","1","1") = "4"
    & skf21("2","2","1","5","4","5","2","1") = "4"
    & skf21("2","2","1","5","4","5","3","1") = "4"
    & skf21("2","2","1","5","4","5","4","1") = "4"
    & skf21("2","2","1","5","4","5","5","1") = "4"
    & skf21("2","2","1","5","4","5","6","1") = "5"
    & skf21("2","2","1","5","4","5","7","1") = "6"
    & skf21("2","2","1","5","4","6","1","1") = "5"
    & skf21("2","2","1","5","4","6","2","1") = "5"
    & skf21("2","2","1","5","4","6","3","1") = "5"
    & skf21("2","2","1","5","4","6","4","1") = "5"
    & skf21("2","2","1","5","4","6","5","1") = "5"
    & skf21("2","2","1","5","4","6","6","1") = "5"
    & skf21("2","2","1","5","4","6","7","1") = "6"
    & skf21("2","2","1","5","4","7","1","1") = "6"
    & skf21("2","2","1","5","4","7","2","1") = "6"
    & skf21("2","2","1","5","4","7","3","1") = "6"
    & skf21("2","2","1","5","4","7","4","1") = "6"
    & skf21("2","2","1","5","4","7","5","1") = "6"
    & skf21("2","2","1","5","4","7","6","1") = "6"
    & skf21("2","2","1","5","4","7","7","1") = "6"
    & skf21("2","2","1","5","5","1","1","1") = "4"
    & skf21("2","2","1","5","5","1","2","1") = "4"
    & skf21("2","2","1","5","5","1","3","1") = "4"
    & skf21("2","2","1","5","5","1","4","1") = "4"
    & skf21("2","2","1","5","5","1","5","1") = "4"
    & skf21("2","2","1","5","5","1","6","1") = "5"
    & skf21("2","2","1","5","5","1","7","1") = "6"
    & skf21("2","2","1","5","5","2","1","1") = "4"
    & skf21("2","2","1","5","5","2","2","1") = "4"
    & skf21("2","2","1","5","5","2","3","1") = "4"
    & skf21("2","2","1","5","5","2","4","1") = "4"
    & skf21("2","2","1","5","5","2","5","1") = "4"
    & skf21("2","2","1","5","5","2","6","1") = "5"
    & skf21("2","2","1","5","5","2","7","1") = "6"
    & skf21("2","2","1","5","5","3","1","1") = "4"
    & skf21("2","2","1","5","5","3","2","1") = "4"
    & skf21("2","2","1","5","5","3","3","1") = "4"
    & skf21("2","2","1","5","5","3","4","1") = "4"
    & skf21("2","2","1","5","5","3","5","1") = "4"
    & skf21("2","2","1","5","5","3","6","1") = "5"
    & skf21("2","2","1","5","5","3","7","1") = "6"
    & skf21("2","2","1","5","5","4","1","1") = "4"
    & skf21("2","2","1","5","5","4","2","1") = "4"
    & skf21("2","2","1","5","5","4","3","1") = "4"
    & skf21("2","2","1","5","5","4","4","1") = "4"
    & skf21("2","2","1","5","5","4","5","1") = "4"
    & skf21("2","2","1","5","5","4","6","1") = "5"
    & skf21("2","2","1","5","5","4","7","1") = "6"
    & skf21("2","2","1","5","5","5","1","1") = "4"
    & skf21("2","2","1","5","5","5","2","1") = "4"
    & skf21("2","2","1","5","5","5","3","1") = "4"
    & skf21("2","2","1","5","5","5","4","1") = "4"
    & skf21("2","2","1","5","5","5","5","1") = "4"
    & skf21("2","2","1","5","5","5","6","1") = "5"
    & skf21("2","2","1","5","5","5","7","1") = "6"
    & skf21("2","2","1","5","5","6","1","1") = "5"
    & skf21("2","2","1","5","5","6","2","1") = "5"
    & skf21("2","2","1","5","5","6","3","1") = "5"
    & skf21("2","2","1","5","5","6","4","1") = "5"
    & skf21("2","2","1","5","5","6","5","1") = "5"
    & skf21("2","2","1","5","5","6","6","1") = "5"
    & skf21("2","2","1","5","5","6","7","1") = "6"
    & skf21("2","2","1","5","5","7","1","1") = "6"
    & skf21("2","2","1","5","5","7","2","1") = "6"
    & skf21("2","2","1","5","5","7","3","1") = "6"
    & skf21("2","2","1","5","5","7","4","1") = "6"
    & skf21("2","2","1","5","5","7","5","1") = "6"
    & skf21("2","2","1","5","5","7","6","1") = "6"
    & skf21("2","2","1","5","5","7","7","1") = "6"
    & skf21("2","2","1","5","6","1","1","1") = "5"
    & skf21("2","2","1","5","6","1","2","1") = "5"
    & skf21("2","2","1","5","6","1","3","1") = "5"
    & skf21("2","2","1","5","6","1","4","1") = "5"
    & skf21("2","2","1","5","6","1","5","1") = "5"
    & skf21("2","2","1","5","6","1","6","1") = "5"
    & skf21("2","2","1","5","6","1","7","1") = "6"
    & skf21("2","2","1","5","6","2","1","1") = "5"
    & skf21("2","2","1","5","6","2","2","1") = "5"
    & skf21("2","2","1","5","6","2","3","1") = "5"
    & skf21("2","2","1","5","6","2","4","1") = "5"
    & skf21("2","2","1","5","6","2","5","1") = "5"
    & skf21("2","2","1","5","6","2","6","1") = "5"
    & skf21("2","2","1","5","6","2","7","1") = "6"
    & skf21("2","2","1","5","6","3","1","1") = "5"
    & skf21("2","2","1","5","6","3","2","1") = "5"
    & skf21("2","2","1","5","6","3","3","1") = "5"
    & skf21("2","2","1","5","6","3","4","1") = "5"
    & skf21("2","2","1","5","6","3","5","1") = "5"
    & skf21("2","2","1","5","6","3","6","1") = "5"
    & skf21("2","2","1","5","6","3","7","1") = "6"
    & skf21("2","2","1","5","6","4","1","1") = "5"
    & skf21("2","2","1","5","6","4","2","1") = "5"
    & skf21("2","2","1","5","6","4","3","1") = "5"
    & skf21("2","2","1","5","6","4","4","1") = "5"
    & skf21("2","2","1","5","6","4","5","1") = "5"
    & skf21("2","2","1","5","6","4","6","1") = "5"
    & skf21("2","2","1","5","6","4","7","1") = "6"
    & skf21("2","2","1","5","6","5","1","1") = "5"
    & skf21("2","2","1","5","6","5","2","1") = "5"
    & skf21("2","2","1","5","6","5","3","1") = "5"
    & skf21("2","2","1","5","6","5","4","1") = "5"
    & skf21("2","2","1","5","6","5","5","1") = "5"
    & skf21("2","2","1","5","6","5","6","1") = "5"
    & skf21("2","2","1","5","6","5","7","1") = "6"
    & skf21("2","2","1","5","6","6","1","1") = "5"
    & skf21("2","2","1","5","6","6","2","1") = "5"
    & skf21("2","2","1","5","6","6","3","1") = "5"
    & skf21("2","2","1","5","6","6","4","1") = "5"
    & skf21("2","2","1","5","6","6","5","1") = "5"
    & skf21("2","2","1","5","6","6","6","1") = "5"
    & skf21("2","2","1","5","6","6","7","1") = "6"
    & skf21("2","2","1","5","6","7","1","1") = "6"
    & skf21("2","2","1","5","6","7","2","1") = "6"
    & skf21("2","2","1","5","6","7","3","1") = "6"
    & skf21("2","2","1","5","6","7","4","1") = "6"
    & skf21("2","2","1","5","6","7","5","1") = "6"
    & skf21("2","2","1","5","6","7","6","1") = "6"
    & skf21("2","2","1","5","6","7","7","1") = "6"
    & skf21("2","2","1","5","7","1","1","1") = "6"
    & skf21("2","2","1","5","7","1","2","1") = "6"
    & skf21("2","2","1","5","7","1","3","1") = "6"
    & skf21("2","2","1","5","7","1","4","1") = "6"
    & skf21("2","2","1","5","7","1","5","1") = "6"
    & skf21("2","2","1","5","7","1","6","1") = "6"
    & skf21("2","2","1","5","7","1","7","1") = "6"
    & skf21("2","2","1","5","7","2","1","1") = "6"
    & skf21("2","2","1","5","7","2","2","1") = "6"
    & skf21("2","2","1","5","7","2","3","1") = "6"
    & skf21("2","2","1","5","7","2","4","1") = "6"
    & skf21("2","2","1","5","7","2","5","1") = "6"
    & skf21("2","2","1","5","7","2","6","1") = "6"
    & skf21("2","2","1","5","7","2","7","1") = "6"
    & skf21("2","2","1","5","7","3","1","1") = "6"
    & skf21("2","2","1","5","7","3","2","1") = "6"
    & skf21("2","2","1","5","7","3","3","1") = "6"
    & skf21("2","2","1","5","7","3","4","1") = "6"
    & skf21("2","2","1","5","7","3","5","1") = "6"
    & skf21("2","2","1","5","7","3","6","1") = "6"
    & skf21("2","2","1","5","7","3","7","1") = "6"
    & skf21("2","2","1","5","7","4","1","1") = "6"
    & skf21("2","2","1","5","7","4","2","1") = "6"
    & skf21("2","2","1","5","7","4","3","1") = "6"
    & skf21("2","2","1","5","7","4","4","1") = "6"
    & skf21("2","2","1","5","7","4","5","1") = "6"
    & skf21("2","2","1","5","7","4","6","1") = "6"
    & skf21("2","2","1","5","7","4","7","1") = "6"
    & skf21("2","2","1","5","7","5","1","1") = "6"
    & skf21("2","2","1","5","7","5","2","1") = "6"
    & skf21("2","2","1","5","7","5","3","1") = "6"
    & skf21("2","2","1","5","7","5","4","1") = "6"
    & skf21("2","2","1","5","7","5","5","1") = "6"
    & skf21("2","2","1","5","7","5","6","1") = "6"
    & skf21("2","2","1","5","7","5","7","1") = "6"
    & skf21("2","2","1","5","7","6","1","1") = "6"
    & skf21("2","2","1","5","7","6","2","1") = "6"
    & skf21("2","2","1","5","7","6","3","1") = "6"
    & skf21("2","2","1","5","7","6","4","1") = "6"
    & skf21("2","2","1","5","7","6","5","1") = "6"
    & skf21("2","2","1","5","7","6","6","1") = "6"
    & skf21("2","2","1","5","7","6","7","1") = "6"
    & skf21("2","2","1","5","7","7","1","1") = "6"
    & skf21("2","2","1","5","7","7","2","1") = "6"
    & skf21("2","2","1","5","7","7","3","1") = "6"
    & skf21("2","2","1","5","7","7","4","1") = "6"
    & skf21("2","2","1","5","7","7","5","1") = "6"
    & skf21("2","2","1","5","7","7","6","1") = "6"
    & skf21("2","2","1","5","7","7","7","1") = "6"
    & skf21("2","2","1","6","1","1","1","1") = "5"
    & skf21("2","2","1","6","1","1","2","1") = "5"
    & skf21("2","2","1","6","1","1","3","1") = "5"
    & skf21("2","2","1","6","1","1","4","1") = "5"
    & skf21("2","2","1","6","1","1","5","1") = "5"
    & skf21("2","2","1","6","1","1","6","1") = "5"
    & skf21("2","2","1","6","1","1","7","1") = "6"
    & skf21("2","2","1","6","1","2","1","1") = "5"
    & skf21("2","2","1","6","1","2","2","1") = "5"
    & skf21("2","2","1","6","1","2","3","1") = "5"
    & skf21("2","2","1","6","1","2","4","1") = "5"
    & skf21("2","2","1","6","1","2","5","1") = "5"
    & skf21("2","2","1","6","1","2","6","1") = "5"
    & skf21("2","2","1","6","1","2","7","1") = "6"
    & skf21("2","2","1","6","1","3","1","1") = "5"
    & skf21("2","2","1","6","1","3","2","1") = "5"
    & skf21("2","2","1","6","1","3","3","1") = "5"
    & skf21("2","2","1","6","1","3","4","1") = "5"
    & skf21("2","2","1","6","1","3","5","1") = "5"
    & skf21("2","2","1","6","1","3","6","1") = "5"
    & skf21("2","2","1","6","1","3","7","1") = "6"
    & skf21("2","2","1","6","1","4","1","1") = "5"
    & skf21("2","2","1","6","1","4","2","1") = "5"
    & skf21("2","2","1","6","1","4","3","1") = "5"
    & skf21("2","2","1","6","1","4","4","1") = "5"
    & skf21("2","2","1","6","1","4","5","1") = "5"
    & skf21("2","2","1","6","1","4","6","1") = "5"
    & skf21("2","2","1","6","1","4","7","1") = "6"
    & skf21("2","2","1","6","1","5","1","1") = "5"
    & skf21("2","2","1","6","1","5","2","1") = "5"
    & skf21("2","2","1","6","1","5","3","1") = "5"
    & skf21("2","2","1","6","1","5","4","1") = "5"
    & skf21("2","2","1","6","1","5","5","1") = "5"
    & skf21("2","2","1","6","1","5","6","1") = "5"
    & skf21("2","2","1","6","1","5","7","1") = "6"
    & skf21("2","2","1","6","1","6","1","1") = "5"
    & skf21("2","2","1","6","1","6","2","1") = "5"
    & skf21("2","2","1","6","1","6","3","1") = "5"
    & skf21("2","2","1","6","1","6","4","1") = "5"
    & skf21("2","2","1","6","1","6","5","1") = "5"
    & skf21("2","2","1","6","1","6","6","1") = "5"
    & skf21("2","2","1","6","1","6","7","1") = "6"
    & skf21("2","2","1","6","1","7","1","1") = "6"
    & skf21("2","2","1","6","1","7","2","1") = "6"
    & skf21("2","2","1","6","1","7","3","1") = "6"
    & skf21("2","2","1","6","1","7","4","1") = "6"
    & skf21("2","2","1","6","1","7","5","1") = "6"
    & skf21("2","2","1","6","1","7","6","1") = "6"
    & skf21("2","2","1","6","1","7","7","1") = "6"
    & skf21("2","2","1","6","2","1","1","1") = "5"
    & skf21("2","2","1","6","2","1","2","1") = "5"
    & skf21("2","2","1","6","2","1","3","1") = "5"
    & skf21("2","2","1","6","2","1","4","1") = "5"
    & skf21("2","2","1","6","2","1","5","1") = "5"
    & skf21("2","2","1","6","2","1","6","1") = "5"
    & skf21("2","2","1","6","2","1","7","1") = "6"
    & skf21("2","2","1","6","2","2","1","1") = "5"
    & skf21("2","2","1","6","2","2","2","1") = "5"
    & skf21("2","2","1","6","2","2","3","1") = "5"
    & skf21("2","2","1","6","2","2","4","1") = "5"
    & skf21("2","2","1","6","2","2","5","1") = "5"
    & skf21("2","2","1","6","2","2","6","1") = "5"
    & skf21("2","2","1","6","2","2","7","1") = "6"
    & skf21("2","2","1","6","2","3","1","1") = "5"
    & skf21("2","2","1","6","2","3","2","1") = "5"
    & skf21("2","2","1","6","2","3","3","1") = "5"
    & skf21("2","2","1","6","2","3","4","1") = "5"
    & skf21("2","2","1","6","2","3","5","1") = "5"
    & skf21("2","2","1","6","2","3","6","1") = "5"
    & skf21("2","2","1","6","2","3","7","1") = "6"
    & skf21("2","2","1","6","2","4","1","1") = "5"
    & skf21("2","2","1","6","2","4","2","1") = "5"
    & skf21("2","2","1","6","2","4","3","1") = "5"
    & skf21("2","2","1","6","2","4","4","1") = "5"
    & skf21("2","2","1","6","2","4","5","1") = "5"
    & skf21("2","2","1","6","2","4","6","1") = "5"
    & skf21("2","2","1","6","2","4","7","1") = "6"
    & skf21("2","2","1","6","2","5","1","1") = "5"
    & skf21("2","2","1","6","2","5","2","1") = "5"
    & skf21("2","2","1","6","2","5","3","1") = "5"
    & skf21("2","2","1","6","2","5","4","1") = "5"
    & skf21("2","2","1","6","2","5","5","1") = "5"
    & skf21("2","2","1","6","2","5","6","1") = "5"
    & skf21("2","2","1","6","2","5","7","1") = "6"
    & skf21("2","2","1","6","2","6","1","1") = "5"
    & skf21("2","2","1","6","2","6","2","1") = "5"
    & skf21("2","2","1","6","2","6","3","1") = "5"
    & skf21("2","2","1","6","2","6","4","1") = "5"
    & skf21("2","2","1","6","2","6","5","1") = "5"
    & skf21("2","2","1","6","2","6","6","1") = "5"
    & skf21("2","2","1","6","2","6","7","1") = "6"
    & skf21("2","2","1","6","2","7","1","1") = "6"
    & skf21("2","2","1","6","2","7","2","1") = "6"
    & skf21("2","2","1","6","2","7","3","1") = "6"
    & skf21("2","2","1","6","2","7","4","1") = "6"
    & skf21("2","2","1","6","2","7","5","1") = "6"
    & skf21("2","2","1","6","2","7","6","1") = "6"
    & skf21("2","2","1","6","2","7","7","1") = "6"
    & skf21("2","2","1","6","3","1","1","1") = "5"
    & skf21("2","2","1","6","3","1","2","1") = "5"
    & skf21("2","2","1","6","3","1","3","1") = "5"
    & skf21("2","2","1","6","3","1","4","1") = "5"
    & skf21("2","2","1","6","3","1","5","1") = "5"
    & skf21("2","2","1","6","3","1","6","1") = "5"
    & skf21("2","2","1","6","3","1","7","1") = "6"
    & skf21("2","2","1","6","3","2","1","1") = "5"
    & skf21("2","2","1","6","3","2","2","1") = "5"
    & skf21("2","2","1","6","3","2","3","1") = "5"
    & skf21("2","2","1","6","3","2","4","1") = "5"
    & skf21("2","2","1","6","3","2","5","1") = "5"
    & skf21("2","2","1","6","3","2","6","1") = "5"
    & skf21("2","2","1","6","3","2","7","1") = "6"
    & skf21("2","2","1","6","3","3","1","1") = "5"
    & skf21("2","2","1","6","3","3","2","1") = "5"
    & skf21("2","2","1","6","3","3","3","1") = "5"
    & skf21("2","2","1","6","3","3","4","1") = "5"
    & skf21("2","2","1","6","3","3","5","1") = "5"
    & skf21("2","2","1","6","3","3","6","1") = "5"
    & skf21("2","2","1","6","3","3","7","1") = "6"
    & skf21("2","2","1","6","3","4","1","1") = "5"
    & skf21("2","2","1","6","3","4","2","1") = "5"
    & skf21("2","2","1","6","3","4","3","1") = "5"
    & skf21("2","2","1","6","3","4","4","1") = "5"
    & skf21("2","2","1","6","3","4","5","1") = "5"
    & skf21("2","2","1","6","3","4","6","1") = "5"
    & skf21("2","2","1","6","3","4","7","1") = "6"
    & skf21("2","2","1","6","3","5","1","1") = "5"
    & skf21("2","2","1","6","3","5","2","1") = "5"
    & skf21("2","2","1","6","3","5","3","1") = "5"
    & skf21("2","2","1","6","3","5","4","1") = "5"
    & skf21("2","2","1","6","3","5","5","1") = "5"
    & skf21("2","2","1","6","3","5","6","1") = "5"
    & skf21("2","2","1","6","3","5","7","1") = "6"
    & skf21("2","2","1","6","3","6","1","1") = "5"
    & skf21("2","2","1","6","3","6","2","1") = "5"
    & skf21("2","2","1","6","3","6","3","1") = "5"
    & skf21("2","2","1","6","3","6","4","1") = "5"
    & skf21("2","2","1","6","3","6","5","1") = "5"
    & skf21("2","2","1","6","3","6","6","1") = "5"
    & skf21("2","2","1","6","3","6","7","1") = "6"
    & skf21("2","2","1","6","3","7","1","1") = "6"
    & skf21("2","2","1","6","3","7","2","1") = "6"
    & skf21("2","2","1","6","3","7","3","1") = "6"
    & skf21("2","2","1","6","3","7","4","1") = "6"
    & skf21("2","2","1","6","3","7","5","1") = "6"
    & skf21("2","2","1","6","3","7","6","1") = "6"
    & skf21("2","2","1","6","3","7","7","1") = "6"
    & skf21("2","2","1","6","4","1","1","1") = "5"
    & skf21("2","2","1","6","4","1","2","1") = "5"
    & skf21("2","2","1","6","4","1","3","1") = "5"
    & skf21("2","2","1","6","4","1","4","1") = "5"
    & skf21("2","2","1","6","4","1","5","1") = "5"
    & skf21("2","2","1","6","4","1","6","1") = "5"
    & skf21("2","2","1","6","4","1","7","1") = "6"
    & skf21("2","2","1","6","4","2","1","1") = "5"
    & skf21("2","2","1","6","4","2","2","1") = "5"
    & skf21("2","2","1","6","4","2","3","1") = "5"
    & skf21("2","2","1","6","4","2","4","1") = "5"
    & skf21("2","2","1","6","4","2","5","1") = "5"
    & skf21("2","2","1","6","4","2","6","1") = "5"
    & skf21("2","2","1","6","4","2","7","1") = "6"
    & skf21("2","2","1","6","4","3","1","1") = "5"
    & skf21("2","2","1","6","4","3","2","1") = "5"
    & skf21("2","2","1","6","4","3","3","1") = "5"
    & skf21("2","2","1","6","4","3","4","1") = "5"
    & skf21("2","2","1","6","4","3","5","1") = "5"
    & skf21("2","2","1","6","4","3","6","1") = "5"
    & skf21("2","2","1","6","4","3","7","1") = "6"
    & skf21("2","2","1","6","4","4","1","1") = "5"
    & skf21("2","2","1","6","4","4","2","1") = "5"
    & skf21("2","2","1","6","4","4","3","1") = "5"
    & skf21("2","2","1","6","4","4","4","1") = "5"
    & skf21("2","2","1","6","4","4","5","1") = "5"
    & skf21("2","2","1","6","4","4","6","1") = "5"
    & skf21("2","2","1","6","4","4","7","1") = "6"
    & skf21("2","2","1","6","4","5","1","1") = "5"
    & skf21("2","2","1","6","4","5","2","1") = "5"
    & skf21("2","2","1","6","4","5","3","1") = "5"
    & skf21("2","2","1","6","4","5","4","1") = "5"
    & skf21("2","2","1","6","4","5","5","1") = "5"
    & skf21("2","2","1","6","4","5","6","1") = "5"
    & skf21("2","2","1","6","4","5","7","1") = "6"
    & skf21("2","2","1","6","4","6","1","1") = "5"
    & skf21("2","2","1","6","4","6","2","1") = "5"
    & skf21("2","2","1","6","4","6","3","1") = "5"
    & skf21("2","2","1","6","4","6","4","1") = "5"
    & skf21("2","2","1","6","4","6","5","1") = "5"
    & skf21("2","2","1","6","4","6","6","1") = "5"
    & skf21("2","2","1","6","4","6","7","1") = "6"
    & skf21("2","2","1","6","4","7","1","1") = "6"
    & skf21("2","2","1","6","4","7","2","1") = "6"
    & skf21("2","2","1","6","4","7","3","1") = "6"
    & skf21("2","2","1","6","4","7","4","1") = "6"
    & skf21("2","2","1","6","4","7","5","1") = "6"
    & skf21("2","2","1","6","4","7","6","1") = "6"
    & skf21("2","2","1","6","4","7","7","1") = "6"
    & skf21("2","2","1","6","5","1","1","1") = "5"
    & skf21("2","2","1","6","5","1","2","1") = "5"
    & skf21("2","2","1","6","5","1","3","1") = "5"
    & skf21("2","2","1","6","5","1","4","1") = "5"
    & skf21("2","2","1","6","5","1","5","1") = "5"
    & skf21("2","2","1","6","5","1","6","1") = "5"
    & skf21("2","2","1","6","5","1","7","1") = "6"
    & skf21("2","2","1","6","5","2","1","1") = "5"
    & skf21("2","2","1","6","5","2","2","1") = "5"
    & skf21("2","2","1","6","5","2","3","1") = "5"
    & skf21("2","2","1","6","5","2","4","1") = "5"
    & skf21("2","2","1","6","5","2","5","1") = "5"
    & skf21("2","2","1","6","5","2","6","1") = "5"
    & skf21("2","2","1","6","5","2","7","1") = "6"
    & skf21("2","2","1","6","5","3","1","1") = "5"
    & skf21("2","2","1","6","5","3","2","1") = "5"
    & skf21("2","2","1","6","5","3","3","1") = "5"
    & skf21("2","2","1","6","5","3","4","1") = "5"
    & skf21("2","2","1","6","5","3","5","1") = "5"
    & skf21("2","2","1","6","5","3","6","1") = "5"
    & skf21("2","2","1","6","5","3","7","1") = "6"
    & skf21("2","2","1","6","5","4","1","1") = "5"
    & skf21("2","2","1","6","5","4","2","1") = "5"
    & skf21("2","2","1","6","5","4","3","1") = "5"
    & skf21("2","2","1","6","5","4","4","1") = "5"
    & skf21("2","2","1","6","5","4","5","1") = "5"
    & skf21("2","2","1","6","5","4","6","1") = "5"
    & skf21("2","2","1","6","5","4","7","1") = "6"
    & skf21("2","2","1","6","5","5","1","1") = "5"
    & skf21("2","2","1","6","5","5","2","1") = "5"
    & skf21("2","2","1","6","5","5","3","1") = "5"
    & skf21("2","2","1","6","5","5","4","1") = "5"
    & skf21("2","2","1","6","5","5","5","1") = "5"
    & skf21("2","2","1","6","5","5","6","1") = "5"
    & skf21("2","2","1","6","5","5","7","1") = "6"
    & skf21("2","2","1","6","5","6","1","1") = "5"
    & skf21("2","2","1","6","5","6","2","1") = "5"
    & skf21("2","2","1","6","5","6","3","1") = "5"
    & skf21("2","2","1","6","5","6","4","1") = "5"
    & skf21("2","2","1","6","5","6","5","1") = "5"
    & skf21("2","2","1","6","5","6","6","1") = "5"
    & skf21("2","2","1","6","5","6","7","1") = "6"
    & skf21("2","2","1","6","5","7","1","1") = "6"
    & skf21("2","2","1","6","5","7","2","1") = "6"
    & skf21("2","2","1","6","5","7","3","1") = "6"
    & skf21("2","2","1","6","5","7","4","1") = "6"
    & skf21("2","2","1","6","5","7","5","1") = "6"
    & skf21("2","2","1","6","5","7","6","1") = "6"
    & skf21("2","2","1","6","5","7","7","1") = "6"
    & skf21("2","2","1","6","6","1","1","1") = "5"
    & skf21("2","2","1","6","6","1","2","1") = "5"
    & skf21("2","2","1","6","6","1","3","1") = "5"
    & skf21("2","2","1","6","6","1","4","1") = "5"
    & skf21("2","2","1","6","6","1","5","1") = "5"
    & skf21("2","2","1","6","6","1","6","1") = "5"
    & skf21("2","2","1","6","6","1","7","1") = "6"
    & skf21("2","2","1","6","6","2","1","1") = "5"
    & skf21("2","2","1","6","6","2","2","1") = "5"
    & skf21("2","2","1","6","6","2","3","1") = "5"
    & skf21("2","2","1","6","6","2","4","1") = "5"
    & skf21("2","2","1","6","6","2","5","1") = "5"
    & skf21("2","2","1","6","6","2","6","1") = "5"
    & skf21("2","2","1","6","6","2","7","1") = "6"
    & skf21("2","2","1","6","6","3","1","1") = "5"
    & skf21("2","2","1","6","6","3","2","1") = "5"
    & skf21("2","2","1","6","6","3","3","1") = "5"
    & skf21("2","2","1","6","6","3","4","1") = "5"
    & skf21("2","2","1","6","6","3","5","1") = "5"
    & skf21("2","2","1","6","6","3","6","1") = "5"
    & skf21("2","2","1","6","6","3","7","1") = "6"
    & skf21("2","2","1","6","6","4","1","1") = "5"
    & skf21("2","2","1","6","6","4","2","1") = "5"
    & skf21("2","2","1","6","6","4","3","1") = "5"
    & skf21("2","2","1","6","6","4","4","1") = "5"
    & skf21("2","2","1","6","6","4","5","1") = "5"
    & skf21("2","2","1","6","6","4","6","1") = "5"
    & skf21("2","2","1","6","6","4","7","1") = "6"
    & skf21("2","2","1","6","6","5","1","1") = "5"
    & skf21("2","2","1","6","6","5","2","1") = "5"
    & skf21("2","2","1","6","6","5","3","1") = "5"
    & skf21("2","2","1","6","6","5","4","1") = "5"
    & skf21("2","2","1","6","6","5","5","1") = "5"
    & skf21("2","2","1","6","6","5","6","1") = "5"
    & skf21("2","2","1","6","6","5","7","1") = "6"
    & skf21("2","2","1","6","6","6","1","1") = "5"
    & skf21("2","2","1","6","6","6","2","1") = "5"
    & skf21("2","2","1","6","6","6","3","1") = "5"
    & skf21("2","2","1","6","6","6","4","1") = "5"
    & skf21("2","2","1","6","6","6","5","1") = "5"
    & skf21("2","2","1","6","6","6","6","1") = "5"
    & skf21("2","2","1","6","6","6","7","1") = "6"
    & skf21("2","2","1","6","6","7","1","1") = "6"
    & skf21("2","2","1","6","6","7","2","1") = "6"
    & skf21("2","2","1","6","6","7","3","1") = "6"
    & skf21("2","2","1","6","6","7","4","1") = "6"
    & skf21("2","2","1","6","6","7","5","1") = "6"
    & skf21("2","2","1","6","6","7","6","1") = "6"
    & skf21("2","2","1","6","6","7","7","1") = "6"
    & skf21("2","2","1","6","7","1","1","1") = "6"
    & skf21("2","2","1","6","7","1","2","1") = "6"
    & skf21("2","2","1","6","7","1","3","1") = "6"
    & skf21("2","2","1","6","7","1","4","1") = "6"
    & skf21("2","2","1","6","7","1","5","1") = "6"
    & skf21("2","2","1","6","7","1","6","1") = "6"
    & skf21("2","2","1","6","7","1","7","1") = "6"
    & skf21("2","2","1","6","7","2","1","1") = "6"
    & skf21("2","2","1","6","7","2","2","1") = "6"
    & skf21("2","2","1","6","7","2","3","1") = "6"
    & skf21("2","2","1","6","7","2","4","1") = "6"
    & skf21("2","2","1","6","7","2","5","1") = "6"
    & skf21("2","2","1","6","7","2","6","1") = "6"
    & skf21("2","2","1","6","7","2","7","1") = "6"
    & skf21("2","2","1","6","7","3","1","1") = "6"
    & skf21("2","2","1","6","7","3","2","1") = "6"
    & skf21("2","2","1","6","7","3","3","1") = "6"
    & skf21("2","2","1","6","7","3","4","1") = "6"
    & skf21("2","2","1","6","7","3","5","1") = "6"
    & skf21("2","2","1","6","7","3","6","1") = "6"
    & skf21("2","2","1","6","7","3","7","1") = "6"
    & skf21("2","2","1","6","7","4","1","1") = "6"
    & skf21("2","2","1","6","7","4","2","1") = "6"
    & skf21("2","2","1","6","7","4","3","1") = "6"
    & skf21("2","2","1","6","7","4","4","1") = "6"
    & skf21("2","2","1","6","7","4","5","1") = "6"
    & skf21("2","2","1","6","7","4","6","1") = "6"
    & skf21("2","2","1","6","7","4","7","1") = "6"
    & skf21("2","2","1","6","7","5","1","1") = "6"
    & skf21("2","2","1","6","7","5","2","1") = "6"
    & skf21("2","2","1","6","7","5","3","1") = "6"
    & skf21("2","2","1","6","7","5","4","1") = "6"
    & skf21("2","2","1","6","7","5","5","1") = "6"
    & skf21("2","2","1","6","7","5","6","1") = "6"
    & skf21("2","2","1","6","7","5","7","1") = "6"
    & skf21("2","2","1","6","7","6","1","1") = "6"
    & skf21("2","2","1","6","7","6","2","1") = "6"
    & skf21("2","2","1","6","7","6","3","1") = "6"
    & skf21("2","2","1","6","7","6","4","1") = "6"
    & skf21("2","2","1","6","7","6","5","1") = "6"
    & skf21("2","2","1","6","7","6","6","1") = "6"
    & skf21("2","2","1","6","7","6","7","1") = "6"
    & skf21("2","2","1","6","7","7","1","1") = "6"
    & skf21("2","2","1","6","7","7","2","1") = "6"
    & skf21("2","2","1","6","7","7","3","1") = "6"
    & skf21("2","2","1","6","7","7","4","1") = "6"
    & skf21("2","2","1","6","7","7","5","1") = "6"
    & skf21("2","2","1","6","7","7","6","1") = "6"
    & skf21("2","2","1","6","7","7","7","1") = "6"
    & skf21("2","2","1","7","1","1","1","1") = "6"
    & skf21("2","2","1","7","1","1","2","1") = "6"
    & skf21("2","2","1","7","1","1","3","1") = "6"
    & skf21("2","2","1","7","1","1","4","1") = "6"
    & skf21("2","2","1","7","1","1","5","1") = "6"
    & skf21("2","2","1","7","1","1","6","1") = "6"
    & skf21("2","2","1","7","1","1","7","1") = "6"
    & skf21("2","2","1","7","1","2","1","1") = "6"
    & skf21("2","2","1","7","1","2","2","1") = "6"
    & skf21("2","2","1","7","1","2","3","1") = "6"
    & skf21("2","2","1","7","1","2","4","1") = "6"
    & skf21("2","2","1","7","1","2","5","1") = "6"
    & skf21("2","2","1","7","1","2","6","1") = "6"
    & skf21("2","2","1","7","1","2","7","1") = "6"
    & skf21("2","2","1","7","1","3","1","1") = "6"
    & skf21("2","2","1","7","1","3","2","1") = "6"
    & skf21("2","2","1","7","1","3","3","1") = "6"
    & skf21("2","2","1","7","1","3","4","1") = "6"
    & skf21("2","2","1","7","1","3","5","1") = "6"
    & skf21("2","2","1","7","1","3","6","1") = "6"
    & skf21("2","2","1","7","1","3","7","1") = "6"
    & skf21("2","2","1","7","1","4","1","1") = "6"
    & skf21("2","2","1","7","1","4","2","1") = "6"
    & skf21("2","2","1","7","1","4","3","1") = "6"
    & skf21("2","2","1","7","1","4","4","1") = "6"
    & skf21("2","2","1","7","1","4","5","1") = "6"
    & skf21("2","2","1","7","1","4","6","1") = "6"
    & skf21("2","2","1","7","1","4","7","1") = "6"
    & skf21("2","2","1","7","1","5","1","1") = "6"
    & skf21("2","2","1","7","1","5","2","1") = "6"
    & skf21("2","2","1","7","1","5","3","1") = "6"
    & skf21("2","2","1","7","1","5","4","1") = "6"
    & skf21("2","2","1","7","1","5","5","1") = "6"
    & skf21("2","2","1","7","1","5","6","1") = "6"
    & skf21("2","2","1","7","1","5","7","1") = "6"
    & skf21("2","2","1","7","1","6","1","1") = "6"
    & skf21("2","2","1","7","1","6","2","1") = "6"
    & skf21("2","2","1","7","1","6","3","1") = "6"
    & skf21("2","2","1","7","1","6","4","1") = "6"
    & skf21("2","2","1","7","1","6","5","1") = "6"
    & skf21("2","2","1","7","1","6","6","1") = "6"
    & skf21("2","2","1","7","1","6","7","1") = "6"
    & skf21("2","2","1","7","1","7","1","1") = "6"
    & skf21("2","2","1","7","1","7","2","1") = "6"
    & skf21("2","2","1","7","1","7","3","1") = "6"
    & skf21("2","2","1","7","1","7","4","1") = "6"
    & skf21("2","2","1","7","1","7","5","1") = "6"
    & skf21("2","2","1","7","1","7","6","1") = "6"
    & skf21("2","2","1","7","1","7","7","1") = "6"
    & skf21("2","2","1","7","2","1","1","1") = "6"
    & skf21("2","2","1","7","2","1","2","1") = "6"
    & skf21("2","2","1","7","2","1","3","1") = "6"
    & skf21("2","2","1","7","2","1","4","1") = "6"
    & skf21("2","2","1","7","2","1","5","1") = "6"
    & skf21("2","2","1","7","2","1","6","1") = "6"
    & skf21("2","2","1","7","2","1","7","1") = "6"
    & skf21("2","2","1","7","2","2","1","1") = "6"
    & skf21("2","2","1","7","2","2","2","1") = "6"
    & skf21("2","2","1","7","2","2","3","1") = "6"
    & skf21("2","2","1","7","2","2","4","1") = "6"
    & skf21("2","2","1","7","2","2","5","1") = "6"
    & skf21("2","2","1","7","2","2","6","1") = "6"
    & skf21("2","2","1","7","2","2","7","1") = "6"
    & skf21("2","2","1","7","2","3","1","1") = "6"
    & skf21("2","2","1","7","2","3","2","1") = "6"
    & skf21("2","2","1","7","2","3","3","1") = "6"
    & skf21("2","2","1","7","2","3","4","1") = "6"
    & skf21("2","2","1","7","2","3","5","1") = "6"
    & skf21("2","2","1","7","2","3","6","1") = "6"
    & skf21("2","2","1","7","2","3","7","1") = "6"
    & skf21("2","2","1","7","2","4","1","1") = "6"
    & skf21("2","2","1","7","2","4","2","1") = "6"
    & skf21("2","2","1","7","2","4","3","1") = "6"
    & skf21("2","2","1","7","2","4","4","1") = "6"
    & skf21("2","2","1","7","2","4","5","1") = "6"
    & skf21("2","2","1","7","2","4","6","1") = "6"
    & skf21("2","2","1","7","2","4","7","1") = "6"
    & skf21("2","2","1","7","2","5","1","1") = "6"
    & skf21("2","2","1","7","2","5","2","1") = "6"
    & skf21("2","2","1","7","2","5","3","1") = "6"
    & skf21("2","2","1","7","2","5","4","1") = "6"
    & skf21("2","2","1","7","2","5","5","1") = "6"
    & skf21("2","2","1","7","2","5","6","1") = "6"
    & skf21("2","2","1","7","2","5","7","1") = "6"
    & skf21("2","2","1","7","2","6","1","1") = "6"
    & skf21("2","2","1","7","2","6","2","1") = "6"
    & skf21("2","2","1","7","2","6","3","1") = "6"
    & skf21("2","2","1","7","2","6","4","1") = "6"
    & skf21("2","2","1","7","2","6","5","1") = "6"
    & skf21("2","2","1","7","2","6","6","1") = "6"
    & skf21("2","2","1","7","2","6","7","1") = "6"
    & skf21("2","2","1","7","2","7","1","1") = "6"
    & skf21("2","2","1","7","2","7","2","1") = "6"
    & skf21("2","2","1","7","2","7","3","1") = "6"
    & skf21("2","2","1","7","2","7","4","1") = "6"
    & skf21("2","2","1","7","2","7","5","1") = "6"
    & skf21("2","2","1","7","2","7","6","1") = "6"
    & skf21("2","2","1","7","2","7","7","1") = "6"
    & skf21("2","2","1","7","3","1","1","1") = "6"
    & skf21("2","2","1","7","3","1","2","1") = "6"
    & skf21("2","2","1","7","3","1","3","1") = "6"
    & skf21("2","2","1","7","3","1","4","1") = "6"
    & skf21("2","2","1","7","3","1","5","1") = "6"
    & skf21("2","2","1","7","3","1","6","1") = "6"
    & skf21("2","2","1","7","3","1","7","1") = "6"
    & skf21("2","2","1","7","3","2","1","1") = "6"
    & skf21("2","2","1","7","3","2","2","1") = "6"
    & skf21("2","2","1","7","3","2","3","1") = "6"
    & skf21("2","2","1","7","3","2","4","1") = "6"
    & skf21("2","2","1","7","3","2","5","1") = "6"
    & skf21("2","2","1","7","3","2","6","1") = "6"
    & skf21("2","2","1","7","3","2","7","1") = "6"
    & skf21("2","2","1","7","3","3","1","1") = "6"
    & skf21("2","2","1","7","3","3","2","1") = "6"
    & skf21("2","2","1","7","3","3","3","1") = "6"
    & skf21("2","2","1","7","3","3","4","1") = "6"
    & skf21("2","2","1","7","3","3","5","1") = "6"
    & skf21("2","2","1","7","3","3","6","1") = "6"
    & skf21("2","2","1","7","3","3","7","1") = "6"
    & skf21("2","2","1","7","3","4","1","1") = "6"
    & skf21("2","2","1","7","3","4","2","1") = "6"
    & skf21("2","2","1","7","3","4","3","1") = "6"
    & skf21("2","2","1","7","3","4","4","1") = "6"
    & skf21("2","2","1","7","3","4","5","1") = "6"
    & skf21("2","2","1","7","3","4","6","1") = "6"
    & skf21("2","2","1","7","3","4","7","1") = "6"
    & skf21("2","2","1","7","3","5","1","1") = "6"
    & skf21("2","2","1","7","3","5","2","1") = "6"
    & skf21("2","2","1","7","3","5","3","1") = "6"
    & skf21("2","2","1","7","3","5","4","1") = "6"
    & skf21("2","2","1","7","3","5","5","1") = "6"
    & skf21("2","2","1","7","3","5","6","1") = "6"
    & skf21("2","2","1","7","3","5","7","1") = "6"
    & skf21("2","2","1","7","3","6","1","1") = "6"
    & skf21("2","2","1","7","3","6","2","1") = "6"
    & skf21("2","2","1","7","3","6","3","1") = "6"
    & skf21("2","2","1","7","3","6","4","1") = "6"
    & skf21("2","2","1","7","3","6","5","1") = "6"
    & skf21("2","2","1","7","3","6","6","1") = "6"
    & skf21("2","2","1","7","3","6","7","1") = "6"
    & skf21("2","2","1","7","3","7","1","1") = "6"
    & skf21("2","2","1","7","3","7","2","1") = "6"
    & skf21("2","2","1","7","3","7","3","1") = "6"
    & skf21("2","2","1","7","3","7","4","1") = "6"
    & skf21("2","2","1","7","3","7","5","1") = "6"
    & skf21("2","2","1","7","3","7","6","1") = "6"
    & skf21("2","2","1","7","3","7","7","1") = "6"
    & skf21("2","2","1","7","4","1","1","1") = "6"
    & skf21("2","2","1","7","4","1","2","1") = "6"
    & skf21("2","2","1","7","4","1","3","1") = "6"
    & skf21("2","2","1","7","4","1","4","1") = "6"
    & skf21("2","2","1","7","4","1","5","1") = "6"
    & skf21("2","2","1","7","4","1","6","1") = "6"
    & skf21("2","2","1","7","4","1","7","1") = "6"
    & skf21("2","2","1","7","4","2","1","1") = "6"
    & skf21("2","2","1","7","4","2","2","1") = "6"
    & skf21("2","2","1","7","4","2","3","1") = "6"
    & skf21("2","2","1","7","4","2","4","1") = "6"
    & skf21("2","2","1","7","4","2","5","1") = "6"
    & skf21("2","2","1","7","4","2","6","1") = "6"
    & skf21("2","2","1","7","4","2","7","1") = "6"
    & skf21("2","2","1","7","4","3","1","1") = "6"
    & skf21("2","2","1","7","4","3","2","1") = "6"
    & skf21("2","2","1","7","4","3","3","1") = "6"
    & skf21("2","2","1","7","4","3","4","1") = "6"
    & skf21("2","2","1","7","4","3","5","1") = "6"
    & skf21("2","2","1","7","4","3","6","1") = "6"
    & skf21("2","2","1","7","4","3","7","1") = "6"
    & skf21("2","2","1","7","4","4","1","1") = "6"
    & skf21("2","2","1","7","4","4","2","1") = "6"
    & skf21("2","2","1","7","4","4","3","1") = "6"
    & skf21("2","2","1","7","4","4","4","1") = "6"
    & skf21("2","2","1","7","4","4","5","1") = "6"
    & skf21("2","2","1","7","4","4","6","1") = "6"
    & skf21("2","2","1","7","4","4","7","1") = "6"
    & skf21("2","2","1","7","4","5","1","1") = "6"
    & skf21("2","2","1","7","4","5","2","1") = "6"
    & skf21("2","2","1","7","4","5","3","1") = "6"
    & skf21("2","2","1","7","4","5","4","1") = "6"
    & skf21("2","2","1","7","4","5","5","1") = "6"
    & skf21("2","2","1","7","4","5","6","1") = "6"
    & skf21("2","2","1","7","4","5","7","1") = "6"
    & skf21("2","2","1","7","4","6","1","1") = "6"
    & skf21("2","2","1","7","4","6","2","1") = "6"
    & skf21("2","2","1","7","4","6","3","1") = "6"
    & skf21("2","2","1","7","4","6","4","1") = "6"
    & skf21("2","2","1","7","4","6","5","1") = "6"
    & skf21("2","2","1","7","4","6","6","1") = "6"
    & skf21("2","2","1","7","4","6","7","1") = "6"
    & skf21("2","2","1","7","4","7","1","1") = "6"
    & skf21("2","2","1","7","4","7","2","1") = "6"
    & skf21("2","2","1","7","4","7","3","1") = "6"
    & skf21("2","2","1","7","4","7","4","1") = "6"
    & skf21("2","2","1","7","4","7","5","1") = "6"
    & skf21("2","2","1","7","4","7","6","1") = "6"
    & skf21("2","2","1","7","4","7","7","1") = "6"
    & skf21("2","2","1","7","5","1","1","1") = "6"
    & skf21("2","2","1","7","5","1","2","1") = "6"
    & skf21("2","2","1","7","5","1","3","1") = "6"
    & skf21("2","2","1","7","5","1","4","1") = "6"
    & skf21("2","2","1","7","5","1","5","1") = "6"
    & skf21("2","2","1","7","5","1","6","1") = "6"
    & skf21("2","2","1","7","5","1","7","1") = "6"
    & skf21("2","2","1","7","5","2","1","1") = "6"
    & skf21("2","2","1","7","5","2","2","1") = "6"
    & skf21("2","2","1","7","5","2","3","1") = "6"
    & skf21("2","2","1","7","5","2","4","1") = "6"
    & skf21("2","2","1","7","5","2","5","1") = "6"
    & skf21("2","2","1","7","5","2","6","1") = "6"
    & skf21("2","2","1","7","5","2","7","1") = "6"
    & skf21("2","2","1","7","5","3","1","1") = "6"
    & skf21("2","2","1","7","5","3","2","1") = "6"
    & skf21("2","2","1","7","5","3","3","1") = "6"
    & skf21("2","2","1","7","5","3","4","1") = "6"
    & skf21("2","2","1","7","5","3","5","1") = "6"
    & skf21("2","2","1","7","5","3","6","1") = "6"
    & skf21("2","2","1","7","5","3","7","1") = "6"
    & skf21("2","2","1","7","5","4","1","1") = "6"
    & skf21("2","2","1","7","5","4","2","1") = "6"
    & skf21("2","2","1","7","5","4","3","1") = "6"
    & skf21("2","2","1","7","5","4","4","1") = "6"
    & skf21("2","2","1","7","5","4","5","1") = "6"
    & skf21("2","2","1","7","5","4","6","1") = "6"
    & skf21("2","2","1","7","5","4","7","1") = "6"
    & skf21("2","2","1","7","5","5","1","1") = "6"
    & skf21("2","2","1","7","5","5","2","1") = "6"
    & skf21("2","2","1","7","5","5","3","1") = "6"
    & skf21("2","2","1","7","5","5","4","1") = "6"
    & skf21("2","2","1","7","5","5","5","1") = "6"
    & skf21("2","2","1","7","5","5","6","1") = "6"
    & skf21("2","2","1","7","5","5","7","1") = "6"
    & skf21("2","2","1","7","5","6","1","1") = "6"
    & skf21("2","2","1","7","5","6","2","1") = "6"
    & skf21("2","2","1","7","5","6","3","1") = "6"
    & skf21("2","2","1","7","5","6","4","1") = "6"
    & skf21("2","2","1","7","5","6","5","1") = "6"
    & skf21("2","2","1","7","5","6","6","1") = "6"
    & skf21("2","2","1","7","5","6","7","1") = "6"
    & skf21("2","2","1","7","5","7","1","1") = "6"
    & skf21("2","2","1","7","5","7","2","1") = "6"
    & skf21("2","2","1","7","5","7","3","1") = "6"
    & skf21("2","2","1","7","5","7","4","1") = "6"
    & skf21("2","2","1","7","5","7","5","1") = "6"
    & skf21("2","2","1","7","5","7","6","1") = "6"
    & skf21("2","2","1","7","5","7","7","1") = "6"
    & skf21("2","2","1","7","6","1","1","1") = "6"
    & skf21("2","2","1","7","6","1","2","1") = "6"
    & skf21("2","2","1","7","6","1","3","1") = "6"
    & skf21("2","2","1","7","6","1","4","1") = "6"
    & skf21("2","2","1","7","6","1","5","1") = "6"
    & skf21("2","2","1","7","6","1","6","1") = "6"
    & skf21("2","2","1","7","6","1","7","1") = "6"
    & skf21("2","2","1","7","6","2","1","1") = "6"
    & skf21("2","2","1","7","6","2","2","1") = "6"
    & skf21("2","2","1","7","6","2","3","1") = "6"
    & skf21("2","2","1","7","6","2","4","1") = "6"
    & skf21("2","2","1","7","6","2","5","1") = "6"
    & skf21("2","2","1","7","6","2","6","1") = "6"
    & skf21("2","2","1","7","6","2","7","1") = "6"
    & skf21("2","2","1","7","6","3","1","1") = "6"
    & skf21("2","2","1","7","6","3","2","1") = "6"
    & skf21("2","2","1","7","6","3","3","1") = "6"
    & skf21("2","2","1","7","6","3","4","1") = "6"
    & skf21("2","2","1","7","6","3","5","1") = "6"
    & skf21("2","2","1","7","6","3","6","1") = "6"
    & skf21("2","2","1","7","6","3","7","1") = "6"
    & skf21("2","2","1","7","6","4","1","1") = "6"
    & skf21("2","2","1","7","6","4","2","1") = "6"
    & skf21("2","2","1","7","6","4","3","1") = "6"
    & skf21("2","2","1","7","6","4","4","1") = "6"
    & skf21("2","2","1","7","6","4","5","1") = "6"
    & skf21("2","2","1","7","6","4","6","1") = "6"
    & skf21("2","2","1","7","6","4","7","1") = "6"
    & skf21("2","2","1","7","6","5","1","1") = "6"
    & skf21("2","2","1","7","6","5","2","1") = "6"
    & skf21("2","2","1","7","6","5","3","1") = "6"
    & skf21("2","2","1","7","6","5","4","1") = "6"
    & skf21("2","2","1","7","6","5","5","1") = "6"
    & skf21("2","2","1","7","6","5","6","1") = "6"
    & skf21("2","2","1","7","6","5","7","1") = "6"
    & skf21("2","2","1","7","6","6","1","1") = "6"
    & skf21("2","2","1","7","6","6","2","1") = "6"
    & skf21("2","2","1","7","6","6","3","1") = "6"
    & skf21("2","2","1","7","6","6","4","1") = "6"
    & skf21("2","2","1","7","6","6","5","1") = "6"
    & skf21("2","2","1","7","6","6","6","1") = "6"
    & skf21("2","2","1","7","6","6","7","1") = "6"
    & skf21("2","2","1","7","6","7","1","1") = "6"
    & skf21("2","2","1","7","6","7","2","1") = "6"
    & skf21("2","2","1","7","6","7","3","1") = "6"
    & skf21("2","2","1","7","6","7","4","1") = "6"
    & skf21("2","2","1","7","6","7","5","1") = "6"
    & skf21("2","2","1","7","6","7","6","1") = "6"
    & skf21("2","2","1","7","6","7","7","1") = "6"
    & skf21("2","2","1","7","7","1","1","1") = "6"
    & skf21("2","2","1","7","7","1","2","1") = "6"
    & skf21("2","2","1","7","7","1","3","1") = "6"
    & skf21("2","2","1","7","7","1","4","1") = "6"
    & skf21("2","2","1","7","7","1","5","1") = "6"
    & skf21("2","2","1","7","7","1","6","1") = "6"
    & skf21("2","2","1","7","7","1","7","1") = "6"
    & skf21("2","2","1","7","7","2","1","1") = "6"
    & skf21("2","2","1","7","7","2","2","1") = "6"
    & skf21("2","2","1","7","7","2","3","1") = "6"
    & skf21("2","2","1","7","7","2","4","1") = "6"
    & skf21("2","2","1","7","7","2","5","1") = "6"
    & skf21("2","2","1","7","7","2","6","1") = "6"
    & skf21("2","2","1","7","7","2","7","1") = "6"
    & skf21("2","2","1","7","7","3","1","1") = "6"
    & skf21("2","2","1","7","7","3","2","1") = "6"
    & skf21("2","2","1","7","7","3","3","1") = "6"
    & skf21("2","2","1","7","7","3","4","1") = "6"
    & skf21("2","2","1","7","7","3","5","1") = "6"
    & skf21("2","2","1","7","7","3","6","1") = "6"
    & skf21("2","2","1","7","7","3","7","1") = "6"
    & skf21("2","2","1","7","7","4","1","1") = "6"
    & skf21("2","2","1","7","7","4","2","1") = "6"
    & skf21("2","2","1","7","7","4","3","1") = "6"
    & skf21("2","2","1","7","7","4","4","1") = "6"
    & skf21("2","2","1","7","7","4","5","1") = "6"
    & skf21("2","2","1","7","7","4","6","1") = "6"
    & skf21("2","2","1","7","7","4","7","1") = "6"
    & skf21("2","2","1","7","7","5","1","1") = "6"
    & skf21("2","2","1","7","7","5","2","1") = "6"
    & skf21("2","2","1","7","7","5","3","1") = "6"
    & skf21("2","2","1","7","7","5","4","1") = "6"
    & skf21("2","2","1","7","7","5","5","1") = "6"
    & skf21("2","2","1","7","7","5","6","1") = "6"
    & skf21("2","2","1","7","7","5","7","1") = "6"
    & skf21("2","2","1","7","7","6","1","1") = "6"
    & skf21("2","2","1","7","7","6","2","1") = "6"
    & skf21("2","2","1","7","7","6","3","1") = "6"
    & skf21("2","2","1","7","7","6","4","1") = "6"
    & skf21("2","2","1","7","7","6","5","1") = "6"
    & skf21("2","2","1","7","7","6","6","1") = "6"
    & skf21("2","2","1","7","7","6","7","1") = "6"
    & skf21("2","2","1","7","7","7","1","1") = "6"
    & skf21("2","2","1","7","7","7","2","1") = "6"
    & skf21("2","2","1","7","7","7","3","1") = "6"
    & skf21("2","2","1","7","7","7","4","1") = "6"
    & skf21("2","2","1","7","7","7","5","1") = "6"
    & skf21("2","2","1","7","7","7","6","1") = "6"
    & skf21("2","2","1","7","7","7","7","1") = "6"
    & skf21("2","2","2","1","1","1","1","1") = "1"
    & skf21("2","2","2","1","1","1","2","1") = "1"
    & skf21("2","2","2","1","1","1","3","1") = "2"
    & skf21("2","2","2","1","1","1","4","1") = "3"
    & skf21("2","2","2","1","1","1","5","1") = "4"
    & skf21("2","2","2","1","1","1","6","1") = "5"
    & skf21("2","2","2","1","1","1","7","1") = "6"
    & skf21("2","2","2","1","1","2","1","1") = "1"
    & skf21("2","2","2","1","1","2","2","1") = "1"
    & skf21("2","2","2","1","1","2","3","1") = "2"
    & skf21("2","2","2","1","1","2","4","1") = "3"
    & skf21("2","2","2","1","1","2","5","1") = "4"
    & skf21("2","2","2","1","1","2","6","1") = "5"
    & skf21("2","2","2","1","1","2","7","1") = "6"
    & skf21("2","2","2","1","1","3","1","1") = "2"
    & skf21("2","2","2","1","1","3","2","1") = "2"
    & skf21("2","2","2","1","1","3","3","1") = "2"
    & skf21("2","2","2","1","1","3","4","1") = "3"
    & skf21("2","2","2","1","1","3","5","1") = "4"
    & skf21("2","2","2","1","1","3","6","1") = "5"
    & skf21("2","2","2","1","1","3","7","1") = "6"
    & skf21("2","2","2","1","1","4","1","1") = "3"
    & skf21("2","2","2","1","1","4","2","1") = "3"
    & skf21("2","2","2","1","1","4","3","1") = "3"
    & skf21("2","2","2","1","1","4","4","1") = "3"
    & skf21("2","2","2","1","1","4","5","1") = "4"
    & skf21("2","2","2","1","1","4","6","1") = "5"
    & skf21("2","2","2","1","1","4","7","1") = "6"
    & skf21("2","2","2","1","1","5","1","1") = "4"
    & skf21("2","2","2","1","1","5","2","1") = "4"
    & skf21("2","2","2","1","1","5","3","1") = "4"
    & skf21("2","2","2","1","1","5","4","1") = "4"
    & skf21("2","2","2","1","1","5","5","1") = "4"
    & skf21("2","2","2","1","1","5","6","1") = "5"
    & skf21("2","2","2","1","1","5","7","1") = "6"
    & skf21("2","2","2","1","1","6","1","1") = "5"
    & skf21("2","2","2","1","1","6","2","1") = "5"
    & skf21("2","2","2","1","1","6","3","1") = "5"
    & skf21("2","2","2","1","1","6","4","1") = "5"
    & skf21("2","2","2","1","1","6","5","1") = "5"
    & skf21("2","2","2","1","1","6","6","1") = "5"
    & skf21("2","2","2","1","1","6","7","1") = "6"
    & skf21("2","2","2","1","1","7","1","1") = "6"
    & skf21("2","2","2","1","1","7","2","1") = "6"
    & skf21("2","2","2","1","1","7","3","1") = "6"
    & skf21("2","2","2","1","1","7","4","1") = "6"
    & skf21("2","2","2","1","1","7","5","1") = "6"
    & skf21("2","2","2","1","1","7","6","1") = "6"
    & skf21("2","2","2","1","1","7","7","1") = "6"
    & skf21("2","2","2","1","2","1","1","1") = "1"
    & skf21("2","2","2","1","2","1","2","1") = "2"
    & skf21("2","2","2","1","2","1","3","1") = "2"
    & skf21("2","2","2","1","2","1","4","1") = "3"
    & skf21("2","2","2","1","2","1","5","1") = "4"
    & skf21("2","2","2","1","2","1","6","1") = "5"
    & skf21("2","2","2","1","2","1","7","1") = "6"
    & skf21("2","2","2","1","2","2","1","1") = "1"
    & skf21("2","2","2","1","2","2","2","1") = "1"
    & skf21("2","2","2","1","2","2","3","1") = "2"
    & skf21("2","2","2","1","2","2","4","1") = "3"
    & skf21("2","2","2","1","2","2","5","1") = "4"
    & skf21("2","2","2","1","2","2","6","1") = "5"
    & skf21("2","2","2","1","2","2","7","1") = "6"
    & skf21("2","2","2","1","2","3","1","1") = "2"
    & skf21("2","2","2","1","2","3","2","1") = "2"
    & skf21("2","2","2","1","2","3","3","1") = "2"
    & skf21("2","2","2","1","2","3","4","1") = "3"
    & skf21("2","2","2","1","2","3","5","1") = "4"
    & skf21("2","2","2","1","2","3","6","1") = "5"
    & skf21("2","2","2","1","2","3","7","1") = "6"
    & skf21("2","2","2","1","2","4","1","1") = "3"
    & skf21("2","2","2","1","2","4","2","1") = "3"
    & skf21("2","2","2","1","2","4","3","1") = "3"
    & skf21("2","2","2","1","2","4","4","1") = "3"
    & skf21("2","2","2","1","2","4","5","1") = "4"
    & skf21("2","2","2","1","2","4","6","1") = "5"
    & skf21("2","2","2","1","2","4","7","1") = "6"
    & skf21("2","2","2","1","2","5","1","1") = "4"
    & skf21("2","2","2","1","2","5","2","1") = "4"
    & skf21("2","2","2","1","2","5","3","1") = "4"
    & skf21("2","2","2","1","2","5","4","1") = "4"
    & skf21("2","2","2","1","2","5","5","1") = "4"
    & skf21("2","2","2","1","2","5","6","1") = "5"
    & skf21("2","2","2","1","2","5","7","1") = "6"
    & skf21("2","2","2","1","2","6","1","1") = "5"
    & skf21("2","2","2","1","2","6","2","1") = "5"
    & skf21("2","2","2","1","2","6","3","1") = "5"
    & skf21("2","2","2","1","2","6","4","1") = "5"
    & skf21("2","2","2","1","2","6","5","1") = "5"
    & skf21("2","2","2","1","2","6","6","1") = "5"
    & skf21("2","2","2","1","2","6","7","1") = "6"
    & skf21("2","2","2","1","2","7","1","1") = "6"
    & skf21("2","2","2","1","2","7","2","1") = "6"
    & skf21("2","2","2","1","2","7","3","1") = "6"
    & skf21("2","2","2","1","2","7","4","1") = "6"
    & skf21("2","2","2","1","2","7","5","1") = "6"
    & skf21("2","2","2","1","2","7","6","1") = "6"
    & skf21("2","2","2","1","2","7","7","1") = "6"
    & skf21("2","2","2","1","3","1","1","1") = "2"
    & skf21("2","2","2","1","3","1","2","1") = "2"
    & skf21("2","2","2","1","3","1","3","1") = "2"
    & skf21("2","2","2","1","3","1","4","1") = "3"
    & skf21("2","2","2","1","3","1","5","1") = "4"
    & skf21("2","2","2","1","3","1","6","1") = "5"
    & skf21("2","2","2","1","3","1","7","1") = "6"
    & skf21("2","2","2","1","3","2","1","1") = "2"
    & skf21("2","2","2","1","3","2","2","1") = "2"
    & skf21("2","2","2","1","3","2","3","1") = "2"
    & skf21("2","2","2","1","3","2","4","1") = "3"
    & skf21("2","2","2","1","3","2","5","1") = "4"
    & skf21("2","2","2","1","3","2","6","1") = "5"
    & skf21("2","2","2","1","3","2","7","1") = "6"
    & skf21("2","2","2","1","3","3","1","1") = "2"
    & skf21("2","2","2","1","3","3","2","1") = "2"
    & skf21("2","2","2","1","3","3","3","1") = "2"
    & skf21("2","2","2","1","3","3","4","1") = "3"
    & skf21("2","2","2","1","3","3","5","1") = "4"
    & skf21("2","2","2","1","3","3","6","1") = "5"
    & skf21("2","2","2","1","3","3","7","1") = "6"
    & skf21("2","2","2","1","3","4","1","1") = "3"
    & skf21("2","2","2","1","3","4","2","1") = "3"
    & skf21("2","2","2","1","3","4","3","1") = "3"
    & skf21("2","2","2","1","3","4","4","1") = "3"
    & skf21("2","2","2","1","3","4","5","1") = "4"
    & skf21("2","2","2","1","3","4","6","1") = "5"
    & skf21("2","2","2","1","3","4","7","1") = "6"
    & skf21("2","2","2","1","3","5","1","1") = "4"
    & skf21("2","2","2","1","3","5","2","1") = "4"
    & skf21("2","2","2","1","3","5","3","1") = "4"
    & skf21("2","2","2","1","3","5","4","1") = "4"
    & skf21("2","2","2","1","3","5","5","1") = "4"
    & skf21("2","2","2","1","3","5","6","1") = "5"
    & skf21("2","2","2","1","3","5","7","1") = "6"
    & skf21("2","2","2","1","3","6","1","1") = "5"
    & skf21("2","2","2","1","3","6","2","1") = "5"
    & skf21("2","2","2","1","3","6","3","1") = "5"
    & skf21("2","2","2","1","3","6","4","1") = "5"
    & skf21("2","2","2","1","3","6","5","1") = "5"
    & skf21("2","2","2","1","3","6","6","1") = "5"
    & skf21("2","2","2","1","3","6","7","1") = "6"
    & skf21("2","2","2","1","3","7","1","1") = "6"
    & skf21("2","2","2","1","3","7","2","1") = "6"
    & skf21("2","2","2","1","3","7","3","1") = "6"
    & skf21("2","2","2","1","3","7","4","1") = "6"
    & skf21("2","2","2","1","3","7","5","1") = "6"
    & skf21("2","2","2","1","3","7","6","1") = "6"
    & skf21("2","2","2","1","3","7","7","1") = "6"
    & skf21("2","2","2","1","4","1","1","1") = "3"
    & skf21("2","2","2","1","4","1","2","1") = "3"
    & skf21("2","2","2","1","4","1","3","1") = "3"
    & skf21("2","2","2","1","4","1","4","1") = "3"
    & skf21("2","2","2","1","4","1","5","1") = "4"
    & skf21("2","2","2","1","4","1","6","1") = "5"
    & skf21("2","2","2","1","4","1","7","1") = "6"
    & skf21("2","2","2","1","4","2","1","1") = "3"
    & skf21("2","2","2","1","4","2","2","1") = "3"
    & skf21("2","2","2","1","4","2","3","1") = "3"
    & skf21("2","2","2","1","4","2","4","1") = "3"
    & skf21("2","2","2","1","4","2","5","1") = "4"
    & skf21("2","2","2","1","4","2","6","1") = "5"
    & skf21("2","2","2","1","4","2","7","1") = "6"
    & skf21("2","2","2","1","4","3","1","1") = "3"
    & skf21("2","2","2","1","4","3","2","1") = "3"
    & skf21("2","2","2","1","4","3","3","1") = "3"
    & skf21("2","2","2","1","4","3","4","1") = "3"
    & skf21("2","2","2","1","4","3","5","1") = "4"
    & skf21("2","2","2","1","4","3","6","1") = "5"
    & skf21("2","2","2","1","4","3","7","1") = "6"
    & skf21("2","2","2","1","4","4","1","1") = "3"
    & skf21("2","2","2","1","4","4","2","1") = "3"
    & skf21("2","2","2","1","4","4","3","1") = "3"
    & skf21("2","2","2","1","4","4","4","1") = "3"
    & skf21("2","2","2","1","4","4","5","1") = "4"
    & skf21("2","2","2","1","4","4","6","1") = "5"
    & skf21("2","2","2","1","4","4","7","1") = "6"
    & skf21("2","2","2","1","4","5","1","1") = "4"
    & skf21("2","2","2","1","4","5","2","1") = "4"
    & skf21("2","2","2","1","4","5","3","1") = "4"
    & skf21("2","2","2","1","4","5","4","1") = "4"
    & skf21("2","2","2","1","4","5","5","1") = "4"
    & skf21("2","2","2","1","4","5","6","1") = "5"
    & skf21("2","2","2","1","4","5","7","1") = "6"
    & skf21("2","2","2","1","4","6","1","1") = "5"
    & skf21("2","2","2","1","4","6","2","1") = "5"
    & skf21("2","2","2","1","4","6","3","1") = "5"
    & skf21("2","2","2","1","4","6","4","1") = "5"
    & skf21("2","2","2","1","4","6","5","1") = "5"
    & skf21("2","2","2","1","4","6","6","1") = "5"
    & skf21("2","2","2","1","4","6","7","1") = "6"
    & skf21("2","2","2","1","4","7","1","1") = "6"
    & skf21("2","2","2","1","4","7","2","1") = "6"
    & skf21("2","2","2","1","4","7","3","1") = "6"
    & skf21("2","2","2","1","4","7","4","1") = "6"
    & skf21("2","2","2","1","4","7","5","1") = "6"
    & skf21("2","2","2","1","4","7","6","1") = "6"
    & skf21("2","2","2","1","4","7","7","1") = "6"
    & skf21("2","2","2","1","5","1","1","1") = "4"
    & skf21("2","2","2","1","5","1","2","1") = "4"
    & skf21("2","2","2","1","5","1","3","1") = "4"
    & skf21("2","2","2","1","5","1","4","1") = "4"
    & skf21("2","2","2","1","5","1","5","1") = "4"
    & skf21("2","2","2","1","5","1","6","1") = "5"
    & skf21("2","2","2","1","5","1","7","1") = "6"
    & skf21("2","2","2","1","5","2","1","1") = "4"
    & skf21("2","2","2","1","5","2","2","1") = "4"
    & skf21("2","2","2","1","5","2","3","1") = "4"
    & skf21("2","2","2","1","5","2","4","1") = "4"
    & skf21("2","2","2","1","5","2","5","1") = "4"
    & skf21("2","2","2","1","5","2","6","1") = "5"
    & skf21("2","2","2","1","5","2","7","1") = "6"
    & skf21("2","2","2","1","5","3","1","1") = "4"
    & skf21("2","2","2","1","5","3","2","1") = "4"
    & skf21("2","2","2","1","5","3","3","1") = "4"
    & skf21("2","2","2","1","5","3","4","1") = "4"
    & skf21("2","2","2","1","5","3","5","1") = "4"
    & skf21("2","2","2","1","5","3","6","1") = "5"
    & skf21("2","2","2","1","5","3","7","1") = "6"
    & skf21("2","2","2","1","5","4","1","1") = "4"
    & skf21("2","2","2","1","5","4","2","1") = "4"
    & skf21("2","2","2","1","5","4","3","1") = "4"
    & skf21("2","2","2","1","5","4","4","1") = "4"
    & skf21("2","2","2","1","5","4","5","1") = "4"
    & skf21("2","2","2","1","5","4","6","1") = "5"
    & skf21("2","2","2","1","5","4","7","1") = "6"
    & skf21("2","2","2","1","5","5","1","1") = "4"
    & skf21("2","2","2","1","5","5","2","1") = "4"
    & skf21("2","2","2","1","5","5","3","1") = "4"
    & skf21("2","2","2","1","5","5","4","1") = "4"
    & skf21("2","2","2","1","5","5","5","1") = "4"
    & skf21("2","2","2","1","5","5","6","1") = "5"
    & skf21("2","2","2","1","5","5","7","1") = "6"
    & skf21("2","2","2","1","5","6","1","1") = "5"
    & skf21("2","2","2","1","5","6","2","1") = "5"
    & skf21("2","2","2","1","5","6","3","1") = "5"
    & skf21("2","2","2","1","5","6","4","1") = "5"
    & skf21("2","2","2","1","5","6","5","1") = "5"
    & skf21("2","2","2","1","5","6","6","1") = "5"
    & skf21("2","2","2","1","5","6","7","1") = "6"
    & skf21("2","2","2","1","5","7","1","1") = "6"
    & skf21("2","2","2","1","5","7","2","1") = "6"
    & skf21("2","2","2","1","5","7","3","1") = "6"
    & skf21("2","2","2","1","5","7","4","1") = "6"
    & skf21("2","2","2","1","5","7","5","1") = "6"
    & skf21("2","2","2","1","5","7","6","1") = "6"
    & skf21("2","2","2","1","5","7","7","1") = "6"
    & skf21("2","2","2","1","6","1","1","1") = "5"
    & skf21("2","2","2","1","6","1","2","1") = "5"
    & skf21("2","2","2","1","6","1","3","1") = "5"
    & skf21("2","2","2","1","6","1","4","1") = "5"
    & skf21("2","2","2","1","6","1","5","1") = "5"
    & skf21("2","2","2","1","6","1","6","1") = "5"
    & skf21("2","2","2","1","6","1","7","1") = "6"
    & skf21("2","2","2","1","6","2","1","1") = "5"
    & skf21("2","2","2","1","6","2","2","1") = "5"
    & skf21("2","2","2","1","6","2","3","1") = "5"
    & skf21("2","2","2","1","6","2","4","1") = "5"
    & skf21("2","2","2","1","6","2","5","1") = "5"
    & skf21("2","2","2","1","6","2","6","1") = "5"
    & skf21("2","2","2","1","6","2","7","1") = "6"
    & skf21("2","2","2","1","6","3","1","1") = "5"
    & skf21("2","2","2","1","6","3","2","1") = "5"
    & skf21("2","2","2","1","6","3","3","1") = "5"
    & skf21("2","2","2","1","6","3","4","1") = "5"
    & skf21("2","2","2","1","6","3","5","1") = "5"
    & skf21("2","2","2","1","6","3","6","1") = "5"
    & skf21("2","2","2","1","6","3","7","1") = "6"
    & skf21("2","2","2","1","6","4","1","1") = "5"
    & skf21("2","2","2","1","6","4","2","1") = "5"
    & skf21("2","2","2","1","6","4","3","1") = "5"
    & skf21("2","2","2","1","6","4","4","1") = "5"
    & skf21("2","2","2","1","6","4","5","1") = "5"
    & skf21("2","2","2","1","6","4","6","1") = "5"
    & skf21("2","2","2","1","6","4","7","1") = "6"
    & skf21("2","2","2","1","6","5","1","1") = "5"
    & skf21("2","2","2","1","6","5","2","1") = "5"
    & skf21("2","2","2","1","6","5","3","1") = "5"
    & skf21("2","2","2","1","6","5","4","1") = "5"
    & skf21("2","2","2","1","6","5","5","1") = "5"
    & skf21("2","2","2","1","6","5","6","1") = "5"
    & skf21("2","2","2","1","6","5","7","1") = "6"
    & skf21("2","2","2","1","6","6","1","1") = "5"
    & skf21("2","2","2","1","6","6","2","1") = "5"
    & skf21("2","2","2","1","6","6","3","1") = "5"
    & skf21("2","2","2","1","6","6","4","1") = "5"
    & skf21("2","2","2","1","6","6","5","1") = "5"
    & skf21("2","2","2","1","6","6","6","1") = "5"
    & skf21("2","2","2","1","6","6","7","1") = "6"
    & skf21("2","2","2","1","6","7","1","1") = "6"
    & skf21("2","2","2","1","6","7","2","1") = "6"
    & skf21("2","2","2","1","6","7","3","1") = "6"
    & skf21("2","2","2","1","6","7","4","1") = "6"
    & skf21("2","2","2","1","6","7","5","1") = "6"
    & skf21("2","2","2","1","6","7","6","1") = "6"
    & skf21("2","2","2","1","6","7","7","1") = "6"
    & skf21("2","2","2","1","7","1","1","1") = "6"
    & skf21("2","2","2","1","7","1","2","1") = "6"
    & skf21("2","2","2","1","7","1","3","1") = "6"
    & skf21("2","2","2","1","7","1","4","1") = "6"
    & skf21("2","2","2","1","7","1","5","1") = "6"
    & skf21("2","2","2","1","7","1","6","1") = "6"
    & skf21("2","2","2","1","7","1","7","1") = "6"
    & skf21("2","2","2","1","7","2","1","1") = "6"
    & skf21("2","2","2","1","7","2","2","1") = "6"
    & skf21("2","2","2","1","7","2","3","1") = "6"
    & skf21("2","2","2","1","7","2","4","1") = "6"
    & skf21("2","2","2","1","7","2","5","1") = "6"
    & skf21("2","2","2","1","7","2","6","1") = "6"
    & skf21("2","2","2","1","7","2","7","1") = "6"
    & skf21("2","2","2","1","7","3","1","1") = "6"
    & skf21("2","2","2","1","7","3","2","1") = "6"
    & skf21("2","2","2","1","7","3","3","1") = "6"
    & skf21("2","2","2","1","7","3","4","1") = "6"
    & skf21("2","2","2","1","7","3","5","1") = "6"
    & skf21("2","2","2","1","7","3","6","1") = "6"
    & skf21("2","2","2","1","7","3","7","1") = "6"
    & skf21("2","2","2","1","7","4","1","1") = "6"
    & skf21("2","2","2","1","7","4","2","1") = "6"
    & skf21("2","2","2","1","7","4","3","1") = "6"
    & skf21("2","2","2","1","7","4","4","1") = "6"
    & skf21("2","2","2","1","7","4","5","1") = "6"
    & skf21("2","2","2","1","7","4","6","1") = "6"
    & skf21("2","2","2","1","7","4","7","1") = "6"
    & skf21("2","2","2","1","7","5","1","1") = "6"
    & skf21("2","2","2","1","7","5","2","1") = "6"
    & skf21("2","2","2","1","7","5","3","1") = "6"
    & skf21("2","2","2","1","7","5","4","1") = "6"
    & skf21("2","2","2","1","7","5","5","1") = "6"
    & skf21("2","2","2","1","7","5","6","1") = "6"
    & skf21("2","2","2","1","7","5","7","1") = "6"
    & skf21("2","2","2","1","7","6","1","1") = "6"
    & skf21("2","2","2","1","7","6","2","1") = "6"
    & skf21("2","2","2","1","7","6","3","1") = "6"
    & skf21("2","2","2","1","7","6","4","1") = "6"
    & skf21("2","2","2","1","7","6","5","1") = "6"
    & skf21("2","2","2","1","7","6","6","1") = "6"
    & skf21("2","2","2","1","7","6","7","1") = "6"
    & skf21("2","2","2","1","7","7","1","1") = "6"
    & skf21("2","2","2","1","7","7","2","1") = "6"
    & skf21("2","2","2","1","7","7","3","1") = "6"
    & skf21("2","2","2","1","7","7","4","1") = "6"
    & skf21("2","2","2","1","7","7","5","1") = "6"
    & skf21("2","2","2","1","7","7","6","1") = "6"
    & skf21("2","2","2","1","7","7","7","1") = "6"
    & skf21("2","2","2","2","1","1","1","1") = "1"
    & skf21("2","2","2","2","1","1","2","1") = "1"
    & skf21("2","2","2","2","1","1","3","1") = "2"
    & skf21("2","2","2","2","1","1","4","1") = "3"
    & skf21("2","2","2","2","1","1","5","1") = "4"
    & skf21("2","2","2","2","1","1","6","1") = "5"
    & skf21("2","2","2","2","1","1","7","1") = "6"
    & skf21("2","2","2","2","1","2","1","1") = "1"
    & skf21("2","2","2","2","1","2","2","1") = "1"
    & skf21("2","2","2","2","1","2","3","1") = "2"
    & skf21("2","2","2","2","1","2","4","1") = "3"
    & skf21("2","2","2","2","1","2","5","1") = "4"
    & skf21("2","2","2","2","1","2","6","1") = "5"
    & skf21("2","2","2","2","1","2","7","1") = "6"
    & skf21("2","2","2","2","1","3","1","1") = "2"
    & skf21("2","2","2","2","1","3","2","1") = "2"
    & skf21("2","2","2","2","1","3","3","1") = "2"
    & skf21("2","2","2","2","1","3","4","1") = "3"
    & skf21("2","2","2","2","1","3","5","1") = "4"
    & skf21("2","2","2","2","1","3","6","1") = "5"
    & skf21("2","2","2","2","1","3","7","1") = "6"
    & skf21("2","2","2","2","1","4","1","1") = "3"
    & skf21("2","2","2","2","1","4","2","1") = "3"
    & skf21("2","2","2","2","1","4","3","1") = "3"
    & skf21("2","2","2","2","1","4","4","1") = "3"
    & skf21("2","2","2","2","1","4","5","1") = "4"
    & skf21("2","2","2","2","1","4","6","1") = "5"
    & skf21("2","2","2","2","1","4","7","1") = "6"
    & skf21("2","2","2","2","1","5","1","1") = "4"
    & skf21("2","2","2","2","1","5","2","1") = "4"
    & skf21("2","2","2","2","1","5","3","1") = "4"
    & skf21("2","2","2","2","1","5","4","1") = "4"
    & skf21("2","2","2","2","1","5","5","1") = "4"
    & skf21("2","2","2","2","1","5","6","1") = "5"
    & skf21("2","2","2","2","1","5","7","1") = "6"
    & skf21("2","2","2","2","1","6","1","1") = "5"
    & skf21("2","2","2","2","1","6","2","1") = "5"
    & skf21("2","2","2","2","1","6","3","1") = "5"
    & skf21("2","2","2","2","1","6","4","1") = "5"
    & skf21("2","2","2","2","1","6","5","1") = "5"
    & skf21("2","2","2","2","1","6","6","1") = "5"
    & skf21("2","2","2","2","1","6","7","1") = "6"
    & skf21("2","2","2","2","1","7","1","1") = "6"
    & skf21("2","2","2","2","1","7","2","1") = "6"
    & skf21("2","2","2","2","1","7","3","1") = "6"
    & skf21("2","2","2","2","1","7","4","1") = "6"
    & skf21("2","2","2","2","1","7","5","1") = "6"
    & skf21("2","2","2","2","1","7","6","1") = "6"
    & skf21("2","2","2","2","1","7","7","1") = "6"
    & skf21("2","2","2","2","2","1","1","1") = "1"
    & skf21("2","2","2","2","2","1","2","1") = "1"
    & skf21("2","2","2","2","2","1","3","1") = "2"
    & skf21("2","2","2","2","2","1","4","1") = "3"
    & skf21("2","2","2","2","2","1","5","1") = "4"
    & skf21("2","2","2","2","2","1","6","1") = "5"
    & skf21("2","2","2","2","2","1","7","1") = "6"
    & skf21("2","2","2","2","2","2","1","1") = "1"
    & skf21("2","2","2","2","2","2","2","1") = "1"
    & skf21("2","2","2","2","2","2","3","1") = "2"
    & skf21("2","2","2","2","2","2","4","1") = "3"
    & skf21("2","2","2","2","2","2","5","1") = "4"
    & skf21("2","2","2","2","2","2","6","1") = "5"
    & skf21("2","2","2","2","2","2","7","1") = "6"
    & skf21("2","2","2","2","2","3","1","1") = "2"
    & skf21("2","2","2","2","2","3","2","1") = "2"
    & skf21("2","2","2","2","2","3","3","1") = "2"
    & skf21("2","2","2","2","2","3","4","1") = "3"
    & skf21("2","2","2","2","2","3","5","1") = "4"
    & skf21("2","2","2","2","2","3","6","1") = "5"
    & skf21("2","2","2","2","2","3","7","1") = "6"
    & skf21("2","2","2","2","2","4","1","1") = "3"
    & skf21("2","2","2","2","2","4","2","1") = "3"
    & skf21("2","2","2","2","2","4","3","1") = "3"
    & skf21("2","2","2","2","2","4","4","1") = "3"
    & skf21("2","2","2","2","2","4","5","1") = "4"
    & skf21("2","2","2","2","2","4","6","1") = "5"
    & skf21("2","2","2","2","2","4","7","1") = "6"
    & skf21("2","2","2","2","2","5","1","1") = "4"
    & skf21("2","2","2","2","2","5","2","1") = "4"
    & skf21("2","2","2","2","2","5","3","1") = "4"
    & skf21("2","2","2","2","2","5","4","1") = "4"
    & skf21("2","2","2","2","2","5","5","1") = "4"
    & skf21("2","2","2","2","2","5","6","1") = "5"
    & skf21("2","2","2","2","2","5","7","1") = "6"
    & skf21("2","2","2","2","2","6","1","1") = "5"
    & skf21("2","2","2","2","2","6","2","1") = "5"
    & skf21("2","2","2","2","2","6","3","1") = "5"
    & skf21("2","2","2","2","2","6","4","1") = "5"
    & skf21("2","2","2","2","2","6","5","1") = "5"
    & skf21("2","2","2","2","2","6","6","1") = "5"
    & skf21("2","2","2","2","2","6","7","1") = "6"
    & skf21("2","2","2","2","2","7","1","1") = "6"
    & skf21("2","2","2","2","2","7","2","1") = "6"
    & skf21("2","2","2","2","2","7","3","1") = "6"
    & skf21("2","2","2","2","2","7","4","1") = "6"
    & skf21("2","2","2","2","2","7","5","1") = "6"
    & skf21("2","2","2","2","2","7","6","1") = "6"
    & skf21("2","2","2","2","2","7","7","1") = "6"
    & skf21("2","2","2","2","3","1","1","1") = "2"
    & skf21("2","2","2","2","3","1","2","1") = "2"
    & skf21("2","2","2","2","3","1","3","1") = "2"
    & skf21("2","2","2","2","3","1","4","1") = "3"
    & skf21("2","2","2","2","3","1","5","1") = "4"
    & skf21("2","2","2","2","3","1","6","1") = "5"
    & skf21("2","2","2","2","3","1","7","1") = "6"
    & skf21("2","2","2","2","3","2","1","1") = "2"
    & skf21("2","2","2","2","3","2","2","1") = "2"
    & skf21("2","2","2","2","3","2","3","1") = "2"
    & skf21("2","2","2","2","3","2","4","1") = "3"
    & skf21("2","2","2","2","3","2","5","1") = "4"
    & skf21("2","2","2","2","3","2","6","1") = "5"
    & skf21("2","2","2","2","3","2","7","1") = "6"
    & skf21("2","2","2","2","3","3","1","1") = "2"
    & skf21("2","2","2","2","3","3","2","1") = "2"
    & skf21("2","2","2","2","3","3","3","1") = "2"
    & skf21("2","2","2","2","3","3","4","1") = "3"
    & skf21("2","2","2","2","3","3","5","1") = "4"
    & skf21("2","2","2","2","3","3","6","1") = "5"
    & skf21("2","2","2","2","3","3","7","1") = "6"
    & skf21("2","2","2","2","3","4","1","1") = "3"
    & skf21("2","2","2","2","3","4","2","1") = "3"
    & skf21("2","2","2","2","3","4","3","1") = "3"
    & skf21("2","2","2","2","3","4","4","1") = "3"
    & skf21("2","2","2","2","3","4","5","1") = "4"
    & skf21("2","2","2","2","3","4","6","1") = "5"
    & skf21("2","2","2","2","3","4","7","1") = "6"
    & skf21("2","2","2","2","3","5","1","1") = "4"
    & skf21("2","2","2","2","3","5","2","1") = "4"
    & skf21("2","2","2","2","3","5","3","1") = "4"
    & skf21("2","2","2","2","3","5","4","1") = "4"
    & skf21("2","2","2","2","3","5","5","1") = "4"
    & skf21("2","2","2","2","3","5","6","1") = "5"
    & skf21("2","2","2","2","3","5","7","1") = "6"
    & skf21("2","2","2","2","3","6","1","1") = "5"
    & skf21("2","2","2","2","3","6","2","1") = "5"
    & skf21("2","2","2","2","3","6","3","1") = "5"
    & skf21("2","2","2","2","3","6","4","1") = "5"
    & skf21("2","2","2","2","3","6","5","1") = "5"
    & skf21("2","2","2","2","3","6","6","1") = "5"
    & skf21("2","2","2","2","3","6","7","1") = "6"
    & skf21("2","2","2","2","3","7","1","1") = "6"
    & skf21("2","2","2","2","3","7","2","1") = "6"
    & skf21("2","2","2","2","3","7","3","1") = "6"
    & skf21("2","2","2","2","3","7","4","1") = "6"
    & skf21("2","2","2","2","3","7","5","1") = "6"
    & skf21("2","2","2","2","3","7","6","1") = "6"
    & skf21("2","2","2","2","3","7","7","1") = "6"
    & skf21("2","2","2","2","4","1","1","1") = "3"
    & skf21("2","2","2","2","4","1","2","1") = "3"
    & skf21("2","2","2","2","4","1","3","1") = "3"
    & skf21("2","2","2","2","4","1","4","1") = "3"
    & skf21("2","2","2","2","4","1","5","1") = "4"
    & skf21("2","2","2","2","4","1","6","1") = "5"
    & skf21("2","2","2","2","4","1","7","1") = "6"
    & skf21("2","2","2","2","4","2","1","1") = "3"
    & skf21("2","2","2","2","4","2","2","1") = "3"
    & skf21("2","2","2","2","4","2","3","1") = "3"
    & skf21("2","2","2","2","4","2","4","1") = "3"
    & skf21("2","2","2","2","4","2","5","1") = "4"
    & skf21("2","2","2","2","4","2","6","1") = "5"
    & skf21("2","2","2","2","4","2","7","1") = "6"
    & skf21("2","2","2","2","4","3","1","1") = "3"
    & skf21("2","2","2","2","4","3","2","1") = "3"
    & skf21("2","2","2","2","4","3","3","1") = "3"
    & skf21("2","2","2","2","4","3","4","1") = "3"
    & skf21("2","2","2","2","4","3","5","1") = "4"
    & skf21("2","2","2","2","4","3","6","1") = "5"
    & skf21("2","2","2","2","4","3","7","1") = "6"
    & skf21("2","2","2","2","4","4","1","1") = "3"
    & skf21("2","2","2","2","4","4","2","1") = "3"
    & skf21("2","2","2","2","4","4","3","1") = "3"
    & skf21("2","2","2","2","4","4","4","1") = "3"
    & skf21("2","2","2","2","4","4","5","1") = "4"
    & skf21("2","2","2","2","4","4","6","1") = "5"
    & skf21("2","2","2","2","4","4","7","1") = "6"
    & skf21("2","2","2","2","4","5","1","1") = "4"
    & skf21("2","2","2","2","4","5","2","1") = "4"
    & skf21("2","2","2","2","4","5","3","1") = "4"
    & skf21("2","2","2","2","4","5","4","1") = "4"
    & skf21("2","2","2","2","4","5","5","1") = "4"
    & skf21("2","2","2","2","4","5","6","1") = "5"
    & skf21("2","2","2","2","4","5","7","1") = "6"
    & skf21("2","2","2","2","4","6","1","1") = "5"
    & skf21("2","2","2","2","4","6","2","1") = "5"
    & skf21("2","2","2","2","4","6","3","1") = "5"
    & skf21("2","2","2","2","4","6","4","1") = "5"
    & skf21("2","2","2","2","4","6","5","1") = "5"
    & skf21("2","2","2","2","4","6","6","1") = "5"
    & skf21("2","2","2","2","4","6","7","1") = "6"
    & skf21("2","2","2","2","4","7","1","1") = "6"
    & skf21("2","2","2","2","4","7","2","1") = "6"
    & skf21("2","2","2","2","4","7","3","1") = "6"
    & skf21("2","2","2","2","4","7","4","1") = "6"
    & skf21("2","2","2","2","4","7","5","1") = "6"
    & skf21("2","2","2","2","4","7","6","1") = "6"
    & skf21("2","2","2","2","4","7","7","1") = "6"
    & skf21("2","2","2","2","5","1","1","1") = "4"
    & skf21("2","2","2","2","5","1","2","1") = "4"
    & skf21("2","2","2","2","5","1","3","1") = "4"
    & skf21("2","2","2","2","5","1","4","1") = "4"
    & skf21("2","2","2","2","5","1","5","1") = "4"
    & skf21("2","2","2","2","5","1","6","1") = "5"
    & skf21("2","2","2","2","5","1","7","1") = "6"
    & skf21("2","2","2","2","5","2","1","1") = "4"
    & skf21("2","2","2","2","5","2","2","1") = "4"
    & skf21("2","2","2","2","5","2","3","1") = "4"
    & skf21("2","2","2","2","5","2","4","1") = "4"
    & skf21("2","2","2","2","5","2","5","1") = "4"
    & skf21("2","2","2","2","5","2","6","1") = "5"
    & skf21("2","2","2","2","5","2","7","1") = "6"
    & skf21("2","2","2","2","5","3","1","1") = "4"
    & skf21("2","2","2","2","5","3","2","1") = "4"
    & skf21("2","2","2","2","5","3","3","1") = "4"
    & skf21("2","2","2","2","5","3","4","1") = "4"
    & skf21("2","2","2","2","5","3","5","1") = "4"
    & skf21("2","2","2","2","5","3","6","1") = "5"
    & skf21("2","2","2","2","5","3","7","1") = "6"
    & skf21("2","2","2","2","5","4","1","1") = "4"
    & skf21("2","2","2","2","5","4","2","1") = "4"
    & skf21("2","2","2","2","5","4","3","1") = "4"
    & skf21("2","2","2","2","5","4","4","1") = "4"
    & skf21("2","2","2","2","5","4","5","1") = "4"
    & skf21("2","2","2","2","5","4","6","1") = "5"
    & skf21("2","2","2","2","5","4","7","1") = "6"
    & skf21("2","2","2","2","5","5","1","1") = "4"
    & skf21("2","2","2","2","5","5","2","1") = "4"
    & skf21("2","2","2","2","5","5","3","1") = "4"
    & skf21("2","2","2","2","5","5","4","1") = "4"
    & skf21("2","2","2","2","5","5","5","1") = "4"
    & skf21("2","2","2","2","5","5","6","1") = "5"
    & skf21("2","2","2","2","5","5","7","1") = "6"
    & skf21("2","2","2","2","5","6","1","1") = "5"
    & skf21("2","2","2","2","5","6","2","1") = "5"
    & skf21("2","2","2","2","5","6","3","1") = "5"
    & skf21("2","2","2","2","5","6","4","1") = "5"
    & skf21("2","2","2","2","5","6","5","1") = "5"
    & skf21("2","2","2","2","5","6","6","1") = "5"
    & skf21("2","2","2","2","5","6","7","1") = "6"
    & skf21("2","2","2","2","5","7","1","1") = "6"
    & skf21("2","2","2","2","5","7","2","1") = "6"
    & skf21("2","2","2","2","5","7","3","1") = "6"
    & skf21("2","2","2","2","5","7","4","1") = "6"
    & skf21("2","2","2","2","5","7","5","1") = "6"
    & skf21("2","2","2","2","5","7","6","1") = "6"
    & skf21("2","2","2","2","5","7","7","1") = "6"
    & skf21("2","2","2","2","6","1","1","1") = "5"
    & skf21("2","2","2","2","6","1","2","1") = "5"
    & skf21("2","2","2","2","6","1","3","1") = "5"
    & skf21("2","2","2","2","6","1","4","1") = "5"
    & skf21("2","2","2","2","6","1","5","1") = "5"
    & skf21("2","2","2","2","6","1","6","1") = "5"
    & skf21("2","2","2","2","6","1","7","1") = "6"
    & skf21("2","2","2","2","6","2","1","1") = "5"
    & skf21("2","2","2","2","6","2","2","1") = "5"
    & skf21("2","2","2","2","6","2","3","1") = "5"
    & skf21("2","2","2","2","6","2","4","1") = "5"
    & skf21("2","2","2","2","6","2","5","1") = "5"
    & skf21("2","2","2","2","6","2","6","1") = "5"
    & skf21("2","2","2","2","6","2","7","1") = "6"
    & skf21("2","2","2","2","6","3","1","1") = "5"
    & skf21("2","2","2","2","6","3","2","1") = "5"
    & skf21("2","2","2","2","6","3","3","1") = "5"
    & skf21("2","2","2","2","6","3","4","1") = "5"
    & skf21("2","2","2","2","6","3","5","1") = "5"
    & skf21("2","2","2","2","6","3","6","1") = "5"
    & skf21("2","2","2","2","6","3","7","1") = "6"
    & skf21("2","2","2","2","6","4","1","1") = "5"
    & skf21("2","2","2","2","6","4","2","1") = "5"
    & skf21("2","2","2","2","6","4","3","1") = "5"
    & skf21("2","2","2","2","6","4","4","1") = "5"
    & skf21("2","2","2","2","6","4","5","1") = "5"
    & skf21("2","2","2","2","6","4","6","1") = "5"
    & skf21("2","2","2","2","6","4","7","1") = "6"
    & skf21("2","2","2","2","6","5","1","1") = "5"
    & skf21("2","2","2","2","6","5","2","1") = "5"
    & skf21("2","2","2","2","6","5","3","1") = "5"
    & skf21("2","2","2","2","6","5","4","1") = "5"
    & skf21("2","2","2","2","6","5","5","1") = "5"
    & skf21("2","2","2","2","6","5","6","1") = "5"
    & skf21("2","2","2","2","6","5","7","1") = "6"
    & skf21("2","2","2","2","6","6","1","1") = "5"
    & skf21("2","2","2","2","6","6","2","1") = "5"
    & skf21("2","2","2","2","6","6","3","1") = "5"
    & skf21("2","2","2","2","6","6","4","1") = "5"
    & skf21("2","2","2","2","6","6","5","1") = "5"
    & skf21("2","2","2","2","6","6","6","1") = "5"
    & skf21("2","2","2","2","6","6","7","1") = "6"
    & skf21("2","2","2","2","6","7","1","1") = "6"
    & skf21("2","2","2","2","6","7","2","1") = "6"
    & skf21("2","2","2","2","6","7","3","1") = "6"
    & skf21("2","2","2","2","6","7","4","1") = "6"
    & skf21("2","2","2","2","6","7","5","1") = "6"
    & skf21("2","2","2","2","6","7","6","1") = "6"
    & skf21("2","2","2","2","6","7","7","1") = "6"
    & skf21("2","2","2","2","7","1","1","1") = "6"
    & skf21("2","2","2","2","7","1","2","1") = "6"
    & skf21("2","2","2","2","7","1","3","1") = "6"
    & skf21("2","2","2","2","7","1","4","1") = "6"
    & skf21("2","2","2","2","7","1","5","1") = "6"
    & skf21("2","2","2","2","7","1","6","1") = "6"
    & skf21("2","2","2","2","7","1","7","1") = "6"
    & skf21("2","2","2","2","7","2","1","1") = "6"
    & skf21("2","2","2","2","7","2","2","1") = "6"
    & skf21("2","2","2","2","7","2","3","1") = "6"
    & skf21("2","2","2","2","7","2","4","1") = "6"
    & skf21("2","2","2","2","7","2","5","1") = "6"
    & skf21("2","2","2","2","7","2","6","1") = "6"
    & skf21("2","2","2","2","7","2","7","1") = "6"
    & skf21("2","2","2","2","7","3","1","1") = "6"
    & skf21("2","2","2","2","7","3","2","1") = "6"
    & skf21("2","2","2","2","7","3","3","1") = "6"
    & skf21("2","2","2","2","7","3","4","1") = "6"
    & skf21("2","2","2","2","7","3","5","1") = "6"
    & skf21("2","2","2","2","7","3","6","1") = "6"
    & skf21("2","2","2","2","7","3","7","1") = "6"
    & skf21("2","2","2","2","7","4","1","1") = "6"
    & skf21("2","2","2","2","7","4","2","1") = "6"
    & skf21("2","2","2","2","7","4","3","1") = "6"
    & skf21("2","2","2","2","7","4","4","1") = "6"
    & skf21("2","2","2","2","7","4","5","1") = "6"
    & skf21("2","2","2","2","7","4","6","1") = "6"
    & skf21("2","2","2","2","7","4","7","1") = "6"
    & skf21("2","2","2","2","7","5","1","1") = "6"
    & skf21("2","2","2","2","7","5","2","1") = "6"
    & skf21("2","2","2","2","7","5","3","1") = "6"
    & skf21("2","2","2","2","7","5","4","1") = "6"
    & skf21("2","2","2","2","7","5","5","1") = "6"
    & skf21("2","2","2","2","7","5","6","1") = "6"
    & skf21("2","2","2","2","7","5","7","1") = "6"
    & skf21("2","2","2","2","7","6","1","1") = "6"
    & skf21("2","2","2","2","7","6","2","1") = "6"
    & skf21("2","2","2","2","7","6","3","1") = "6"
    & skf21("2","2","2","2","7","6","4","1") = "6"
    & skf21("2","2","2","2","7","6","5","1") = "6"
    & skf21("2","2","2","2","7","6","6","1") = "6"
    & skf21("2","2","2","2","7","6","7","1") = "6"
    & skf21("2","2","2","2","7","7","1","1") = "6"
    & skf21("2","2","2","2","7","7","2","1") = "6"
    & skf21("2","2","2","2","7","7","3","1") = "6"
    & skf21("2","2","2","2","7","7","4","1") = "6"
    & skf21("2","2","2","2","7","7","5","1") = "6"
    & skf21("2","2","2","2","7","7","6","1") = "6"
    & skf21("2","2","2","2","7","7","7","1") = "6"
    & skf21("2","2","2","3","1","1","1","1") = "2"
    & skf21("2","2","2","3","1","1","2","1") = "2"
    & skf21("2","2","2","3","1","1","3","1") = "2"
    & skf21("2","2","2","3","1","1","4","1") = "3"
    & skf21("2","2","2","3","1","1","5","1") = "4"
    & skf21("2","2","2","3","1","1","6","1") = "5"
    & skf21("2","2","2","3","1","1","7","1") = "6"
    & skf21("2","2","2","3","1","2","1","1") = "2"
    & skf21("2","2","2","3","1","2","2","1") = "2"
    & skf21("2","2","2","3","1","2","3","1") = "2"
    & skf21("2","2","2","3","1","2","4","1") = "3"
    & skf21("2","2","2","3","1","2","5","1") = "4"
    & skf21("2","2","2","3","1","2","6","1") = "5"
    & skf21("2","2","2","3","1","2","7","1") = "6"
    & skf21("2","2","2","3","1","3","1","1") = "2"
    & skf21("2","2","2","3","1","3","2","1") = "2"
    & skf21("2","2","2","3","1","3","3","1") = "2"
    & skf21("2","2","2","3","1","3","4","1") = "3"
    & skf21("2","2","2","3","1","3","5","1") = "4"
    & skf21("2","2","2","3","1","3","6","1") = "5"
    & skf21("2","2","2","3","1","3","7","1") = "6"
    & skf21("2","2","2","3","1","4","1","1") = "3"
    & skf21("2","2","2","3","1","4","2","1") = "3"
    & skf21("2","2","2","3","1","4","3","1") = "3"
    & skf21("2","2","2","3","1","4","4","1") = "3"
    & skf21("2","2","2","3","1","4","5","1") = "4"
    & skf21("2","2","2","3","1","4","6","1") = "5"
    & skf21("2","2","2","3","1","4","7","1") = "6"
    & skf21("2","2","2","3","1","5","1","1") = "4"
    & skf21("2","2","2","3","1","5","2","1") = "4"
    & skf21("2","2","2","3","1","5","3","1") = "4"
    & skf21("2","2","2","3","1","5","4","1") = "4"
    & skf21("2","2","2","3","1","5","5","1") = "4"
    & skf21("2","2","2","3","1","5","6","1") = "5"
    & skf21("2","2","2","3","1","5","7","1") = "6"
    & skf21("2","2","2","3","1","6","1","1") = "5"
    & skf21("2","2","2","3","1","6","2","1") = "5"
    & skf21("2","2","2","3","1","6","3","1") = "5"
    & skf21("2","2","2","3","1","6","4","1") = "5"
    & skf21("2","2","2","3","1","6","5","1") = "5"
    & skf21("2","2","2","3","1","6","6","1") = "5"
    & skf21("2","2","2","3","1","6","7","1") = "6"
    & skf21("2","2","2","3","1","7","1","1") = "6"
    & skf21("2","2","2","3","1","7","2","1") = "6"
    & skf21("2","2","2","3","1","7","3","1") = "6"
    & skf21("2","2","2","3","1","7","4","1") = "6"
    & skf21("2","2","2","3","1","7","5","1") = "6"
    & skf21("2","2","2","3","1","7","6","1") = "6"
    & skf21("2","2","2","3","1","7","7","1") = "6"
    & skf21("2","2","2","3","2","1","1","1") = "2"
    & skf21("2","2","2","3","2","1","2","1") = "2"
    & skf21("2","2","2","3","2","1","3","1") = "2"
    & skf21("2","2","2","3","2","1","4","1") = "3"
    & skf21("2","2","2","3","2","1","5","1") = "4"
    & skf21("2","2","2","3","2","1","6","1") = "5"
    & skf21("2","2","2","3","2","1","7","1") = "6"
    & skf21("2","2","2","3","2","2","1","1") = "2"
    & skf21("2","2","2","3","2","2","2","1") = "2"
    & skf21("2","2","2","3","2","2","3","1") = "2"
    & skf21("2","2","2","3","2","2","4","1") = "3"
    & skf21("2","2","2","3","2","2","5","1") = "4"
    & skf21("2","2","2","3","2","2","6","1") = "5"
    & skf21("2","2","2","3","2","2","7","1") = "6"
    & skf21("2","2","2","3","2","3","1","1") = "2"
    & skf21("2","2","2","3","2","3","2","1") = "2"
    & skf21("2","2","2","3","2","3","3","1") = "2"
    & skf21("2","2","2","3","2","3","4","1") = "3"
    & skf21("2","2","2","3","2","3","5","1") = "4"
    & skf21("2","2","2","3","2","3","6","1") = "5"
    & skf21("2","2","2","3","2","3","7","1") = "6"
    & skf21("2","2","2","3","2","4","1","1") = "3"
    & skf21("2","2","2","3","2","4","2","1") = "3"
    & skf21("2","2","2","3","2","4","3","1") = "3"
    & skf21("2","2","2","3","2","4","4","1") = "3"
    & skf21("2","2","2","3","2","4","5","1") = "4"
    & skf21("2","2","2","3","2","4","6","1") = "5"
    & skf21("2","2","2","3","2","4","7","1") = "6"
    & skf21("2","2","2","3","2","5","1","1") = "4"
    & skf21("2","2","2","3","2","5","2","1") = "4"
    & skf21("2","2","2","3","2","5","3","1") = "4"
    & skf21("2","2","2","3","2","5","4","1") = "4"
    & skf21("2","2","2","3","2","5","5","1") = "4"
    & skf21("2","2","2","3","2","5","6","1") = "5"
    & skf21("2","2","2","3","2","5","7","1") = "6"
    & skf21("2","2","2","3","2","6","1","1") = "5"
    & skf21("2","2","2","3","2","6","2","1") = "5"
    & skf21("2","2","2","3","2","6","3","1") = "5"
    & skf21("2","2","2","3","2","6","4","1") = "5"
    & skf21("2","2","2","3","2","6","5","1") = "5"
    & skf21("2","2","2","3","2","6","6","1") = "5"
    & skf21("2","2","2","3","2","6","7","1") = "6"
    & skf21("2","2","2","3","2","7","1","1") = "6"
    & skf21("2","2","2","3","2","7","2","1") = "6"
    & skf21("2","2","2","3","2","7","3","1") = "6"
    & skf21("2","2","2","3","2","7","4","1") = "6"
    & skf21("2","2","2","3","2","7","5","1") = "6"
    & skf21("2","2","2","3","2","7","6","1") = "6"
    & skf21("2","2","2","3","2","7","7","1") = "6"
    & skf21("2","2","2","3","3","1","1","1") = "2"
    & skf21("2","2","2","3","3","1","2","1") = "2"
    & skf21("2","2","2","3","3","1","3","1") = "2"
    & skf21("2","2","2","3","3","1","4","1") = "3"
    & skf21("2","2","2","3","3","1","5","1") = "4"
    & skf21("2","2","2","3","3","1","6","1") = "5"
    & skf21("2","2","2","3","3","1","7","1") = "6"
    & skf21("2","2","2","3","3","2","1","1") = "2"
    & skf21("2","2","2","3","3","2","2","1") = "2"
    & skf21("2","2","2","3","3","2","3","1") = "2"
    & skf21("2","2","2","3","3","2","4","1") = "3"
    & skf21("2","2","2","3","3","2","5","1") = "4"
    & skf21("2","2","2","3","3","2","6","1") = "5"
    & skf21("2","2","2","3","3","2","7","1") = "6"
    & skf21("2","2","2","3","3","3","1","1") = "2"
    & skf21("2","2","2","3","3","3","2","1") = "2"
    & skf21("2","2","2","3","3","3","3","1") = "2"
    & skf21("2","2","2","3","3","3","4","1") = "3"
    & skf21("2","2","2","3","3","3","5","1") = "4"
    & skf21("2","2","2","3","3","3","6","1") = "5"
    & skf21("2","2","2","3","3","3","7","1") = "6"
    & skf21("2","2","2","3","3","4","1","1") = "3"
    & skf21("2","2","2","3","3","4","2","1") = "3"
    & skf21("2","2","2","3","3","4","3","1") = "3"
    & skf21("2","2","2","3","3","4","4","1") = "3"
    & skf21("2","2","2","3","3","4","5","1") = "4"
    & skf21("2","2","2","3","3","4","6","1") = "5"
    & skf21("2","2","2","3","3","4","7","1") = "6"
    & skf21("2","2","2","3","3","5","1","1") = "4"
    & skf21("2","2","2","3","3","5","2","1") = "4"
    & skf21("2","2","2","3","3","5","3","1") = "4"
    & skf21("2","2","2","3","3","5","4","1") = "4"
    & skf21("2","2","2","3","3","5","5","1") = "4"
    & skf21("2","2","2","3","3","5","6","1") = "5"
    & skf21("2","2","2","3","3","5","7","1") = "6"
    & skf21("2","2","2","3","3","6","1","1") = "5"
    & skf21("2","2","2","3","3","6","2","1") = "5"
    & skf21("2","2","2","3","3","6","3","1") = "5"
    & skf21("2","2","2","3","3","6","4","1") = "5"
    & skf21("2","2","2","3","3","6","5","1") = "5"
    & skf21("2","2","2","3","3","6","6","1") = "5"
    & skf21("2","2","2","3","3","6","7","1") = "6"
    & skf21("2","2","2","3","3","7","1","1") = "6"
    & skf21("2","2","2","3","3","7","2","1") = "6"
    & skf21("2","2","2","3","3","7","3","1") = "6"
    & skf21("2","2","2","3","3","7","4","1") = "6"
    & skf21("2","2","2","3","3","7","5","1") = "6"
    & skf21("2","2","2","3","3","7","6","1") = "6"
    & skf21("2","2","2","3","3","7","7","1") = "6"
    & skf21("2","2","2","3","4","1","1","1") = "3"
    & skf21("2","2","2","3","4","1","2","1") = "3"
    & skf21("2","2","2","3","4","1","3","1") = "3"
    & skf21("2","2","2","3","4","1","4","1") = "3"
    & skf21("2","2","2","3","4","1","5","1") = "4"
    & skf21("2","2","2","3","4","1","6","1") = "5"
    & skf21("2","2","2","3","4","1","7","1") = "6"
    & skf21("2","2","2","3","4","2","1","1") = "3"
    & skf21("2","2","2","3","4","2","2","1") = "3"
    & skf21("2","2","2","3","4","2","3","1") = "3"
    & skf21("2","2","2","3","4","2","4","1") = "3"
    & skf21("2","2","2","3","4","2","5","1") = "4"
    & skf21("2","2","2","3","4","2","6","1") = "5"
    & skf21("2","2","2","3","4","2","7","1") = "6"
    & skf21("2","2","2","3","4","3","1","1") = "3"
    & skf21("2","2","2","3","4","3","2","1") = "3"
    & skf21("2","2","2","3","4","3","3","1") = "3"
    & skf21("2","2","2","3","4","3","4","1") = "3"
    & skf21("2","2","2","3","4","3","5","1") = "4"
    & skf21("2","2","2","3","4","3","6","1") = "5"
    & skf21("2","2","2","3","4","3","7","1") = "6"
    & skf21("2","2","2","3","4","4","1","1") = "3"
    & skf21("2","2","2","3","4","4","2","1") = "3"
    & skf21("2","2","2","3","4","4","3","1") = "3"
    & skf21("2","2","2","3","4","4","4","1") = "3"
    & skf21("2","2","2","3","4","4","5","1") = "4"
    & skf21("2","2","2","3","4","4","6","1") = "5"
    & skf21("2","2","2","3","4","4","7","1") = "6"
    & skf21("2","2","2","3","4","5","1","1") = "4"
    & skf21("2","2","2","3","4","5","2","1") = "4"
    & skf21("2","2","2","3","4","5","3","1") = "4"
    & skf21("2","2","2","3","4","5","4","1") = "4"
    & skf21("2","2","2","3","4","5","5","1") = "4"
    & skf21("2","2","2","3","4","5","6","1") = "5"
    & skf21("2","2","2","3","4","5","7","1") = "6"
    & skf21("2","2","2","3","4","6","1","1") = "5"
    & skf21("2","2","2","3","4","6","2","1") = "5"
    & skf21("2","2","2","3","4","6","3","1") = "5"
    & skf21("2","2","2","3","4","6","4","1") = "5"
    & skf21("2","2","2","3","4","6","5","1") = "5"
    & skf21("2","2","2","3","4","6","6","1") = "5"
    & skf21("2","2","2","3","4","6","7","1") = "6"
    & skf21("2","2","2","3","4","7","1","1") = "6"
    & skf21("2","2","2","3","4","7","2","1") = "6"
    & skf21("2","2","2","3","4","7","3","1") = "6"
    & skf21("2","2","2","3","4","7","4","1") = "6"
    & skf21("2","2","2","3","4","7","5","1") = "6"
    & skf21("2","2","2","3","4","7","6","1") = "6"
    & skf21("2","2","2","3","4","7","7","1") = "6"
    & skf21("2","2","2","3","5","1","1","1") = "4"
    & skf21("2","2","2","3","5","1","2","1") = "4"
    & skf21("2","2","2","3","5","1","3","1") = "4"
    & skf21("2","2","2","3","5","1","4","1") = "4"
    & skf21("2","2","2","3","5","1","5","1") = "4"
    & skf21("2","2","2","3","5","1","6","1") = "5"
    & skf21("2","2","2","3","5","1","7","1") = "6"
    & skf21("2","2","2","3","5","2","1","1") = "4"
    & skf21("2","2","2","3","5","2","2","1") = "4"
    & skf21("2","2","2","3","5","2","3","1") = "4"
    & skf21("2","2","2","3","5","2","4","1") = "4"
    & skf21("2","2","2","3","5","2","5","1") = "4"
    & skf21("2","2","2","3","5","2","6","1") = "5"
    & skf21("2","2","2","3","5","2","7","1") = "6"
    & skf21("2","2","2","3","5","3","1","1") = "4"
    & skf21("2","2","2","3","5","3","2","1") = "4"
    & skf21("2","2","2","3","5","3","3","1") = "4"
    & skf21("2","2","2","3","5","3","4","1") = "4"
    & skf21("2","2","2","3","5","3","5","1") = "4"
    & skf21("2","2","2","3","5","3","6","1") = "5"
    & skf21("2","2","2","3","5","3","7","1") = "6"
    & skf21("2","2","2","3","5","4","1","1") = "4"
    & skf21("2","2","2","3","5","4","2","1") = "4"
    & skf21("2","2","2","3","5","4","3","1") = "4"
    & skf21("2","2","2","3","5","4","4","1") = "4"
    & skf21("2","2","2","3","5","4","5","1") = "4"
    & skf21("2","2","2","3","5","4","6","1") = "5"
    & skf21("2","2","2","3","5","4","7","1") = "6"
    & skf21("2","2","2","3","5","5","1","1") = "4"
    & skf21("2","2","2","3","5","5","2","1") = "4"
    & skf21("2","2","2","3","5","5","3","1") = "4"
    & skf21("2","2","2","3","5","5","4","1") = "4"
    & skf21("2","2","2","3","5","5","5","1") = "4"
    & skf21("2","2","2","3","5","5","6","1") = "5"
    & skf21("2","2","2","3","5","5","7","1") = "6"
    & skf21("2","2","2","3","5","6","1","1") = "5"
    & skf21("2","2","2","3","5","6","2","1") = "5"
    & skf21("2","2","2","3","5","6","3","1") = "5"
    & skf21("2","2","2","3","5","6","4","1") = "5"
    & skf21("2","2","2","3","5","6","5","1") = "5"
    & skf21("2","2","2","3","5","6","6","1") = "5"
    & skf21("2","2","2","3","5","6","7","1") = "6"
    & skf21("2","2","2","3","5","7","1","1") = "6"
    & skf21("2","2","2","3","5","7","2","1") = "6"
    & skf21("2","2","2","3","5","7","3","1") = "6"
    & skf21("2","2","2","3","5","7","4","1") = "6"
    & skf21("2","2","2","3","5","7","5","1") = "6"
    & skf21("2","2","2","3","5","7","6","1") = "6"
    & skf21("2","2","2","3","5","7","7","1") = "6"
    & skf21("2","2","2","3","6","1","1","1") = "5"
    & skf21("2","2","2","3","6","1","2","1") = "5"
    & skf21("2","2","2","3","6","1","3","1") = "5"
    & skf21("2","2","2","3","6","1","4","1") = "5"
    & skf21("2","2","2","3","6","1","5","1") = "5"
    & skf21("2","2","2","3","6","1","6","1") = "5"
    & skf21("2","2","2","3","6","1","7","1") = "6"
    & skf21("2","2","2","3","6","2","1","1") = "5"
    & skf21("2","2","2","3","6","2","2","1") = "5"
    & skf21("2","2","2","3","6","2","3","1") = "5"
    & skf21("2","2","2","3","6","2","4","1") = "5"
    & skf21("2","2","2","3","6","2","5","1") = "5"
    & skf21("2","2","2","3","6","2","6","1") = "5"
    & skf21("2","2","2","3","6","2","7","1") = "6"
    & skf21("2","2","2","3","6","3","1","1") = "5"
    & skf21("2","2","2","3","6","3","2","1") = "5"
    & skf21("2","2","2","3","6","3","3","1") = "5"
    & skf21("2","2","2","3","6","3","4","1") = "5"
    & skf21("2","2","2","3","6","3","5","1") = "5"
    & skf21("2","2","2","3","6","3","6","1") = "5"
    & skf21("2","2","2","3","6","3","7","1") = "6"
    & skf21("2","2","2","3","6","4","1","1") = "5"
    & skf21("2","2","2","3","6","4","2","1") = "5"
    & skf21("2","2","2","3","6","4","3","1") = "5"
    & skf21("2","2","2","3","6","4","4","1") = "5"
    & skf21("2","2","2","3","6","4","5","1") = "5"
    & skf21("2","2","2","3","6","4","6","1") = "5"
    & skf21("2","2","2","3","6","4","7","1") = "6"
    & skf21("2","2","2","3","6","5","1","1") = "5"
    & skf21("2","2","2","3","6","5","2","1") = "5"
    & skf21("2","2","2","3","6","5","3","1") = "5"
    & skf21("2","2","2","3","6","5","4","1") = "5"
    & skf21("2","2","2","3","6","5","5","1") = "5"
    & skf21("2","2","2","3","6","5","6","1") = "5"
    & skf21("2","2","2","3","6","5","7","1") = "6"
    & skf21("2","2","2","3","6","6","1","1") = "5"
    & skf21("2","2","2","3","6","6","2","1") = "5"
    & skf21("2","2","2","3","6","6","3","1") = "5"
    & skf21("2","2","2","3","6","6","4","1") = "5"
    & skf21("2","2","2","3","6","6","5","1") = "5"
    & skf21("2","2","2","3","6","6","6","1") = "5"
    & skf21("2","2","2","3","6","6","7","1") = "6"
    & skf21("2","2","2","3","6","7","1","1") = "6"
    & skf21("2","2","2","3","6","7","2","1") = "6"
    & skf21("2","2","2","3","6","7","3","1") = "6"
    & skf21("2","2","2","3","6","7","4","1") = "6"
    & skf21("2","2","2","3","6","7","5","1") = "6"
    & skf21("2","2","2","3","6","7","6","1") = "6"
    & skf21("2","2","2","3","6","7","7","1") = "6"
    & skf21("2","2","2","3","7","1","1","1") = "6"
    & skf21("2","2","2","3","7","1","2","1") = "6"
    & skf21("2","2","2","3","7","1","3","1") = "6"
    & skf21("2","2","2","3","7","1","4","1") = "6"
    & skf21("2","2","2","3","7","1","5","1") = "6"
    & skf21("2","2","2","3","7","1","6","1") = "6"
    & skf21("2","2","2","3","7","1","7","1") = "6"
    & skf21("2","2","2","3","7","2","1","1") = "6"
    & skf21("2","2","2","3","7","2","2","1") = "6"
    & skf21("2","2","2","3","7","2","3","1") = "6"
    & skf21("2","2","2","3","7","2","4","1") = "6"
    & skf21("2","2","2","3","7","2","5","1") = "6"
    & skf21("2","2","2","3","7","2","6","1") = "6"
    & skf21("2","2","2","3","7","2","7","1") = "6"
    & skf21("2","2","2","3","7","3","1","1") = "6"
    & skf21("2","2","2","3","7","3","2","1") = "6"
    & skf21("2","2","2","3","7","3","3","1") = "6"
    & skf21("2","2","2","3","7","3","4","1") = "6"
    & skf21("2","2","2","3","7","3","5","1") = "6"
    & skf21("2","2","2","3","7","3","6","1") = "6"
    & skf21("2","2","2","3","7","3","7","1") = "6"
    & skf21("2","2","2","3","7","4","1","1") = "6"
    & skf21("2","2","2","3","7","4","2","1") = "6"
    & skf21("2","2","2","3","7","4","3","1") = "6"
    & skf21("2","2","2","3","7","4","4","1") = "6"
    & skf21("2","2","2","3","7","4","5","1") = "6"
    & skf21("2","2","2","3","7","4","6","1") = "6"
    & skf21("2","2","2","3","7","4","7","1") = "6"
    & skf21("2","2","2","3","7","5","1","1") = "6"
    & skf21("2","2","2","3","7","5","2","1") = "6"
    & skf21("2","2","2","3","7","5","3","1") = "6"
    & skf21("2","2","2","3","7","5","4","1") = "6"
    & skf21("2","2","2","3","7","5","5","1") = "6"
    & skf21("2","2","2","3","7","5","6","1") = "6"
    & skf21("2","2","2","3","7","5","7","1") = "6"
    & skf21("2","2","2","3","7","6","1","1") = "6"
    & skf21("2","2","2","3","7","6","2","1") = "6"
    & skf21("2","2","2","3","7","6","3","1") = "6"
    & skf21("2","2","2","3","7","6","4","1") = "6"
    & skf21("2","2","2","3","7","6","5","1") = "6"
    & skf21("2","2","2","3","7","6","6","1") = "6"
    & skf21("2","2","2","3","7","6","7","1") = "6"
    & skf21("2","2","2","3","7","7","1","1") = "6"
    & skf21("2","2","2","3","7","7","2","1") = "6"
    & skf21("2","2","2","3","7","7","3","1") = "6"
    & skf21("2","2","2","3","7","7","4","1") = "6"
    & skf21("2","2","2","3","7","7","5","1") = "6"
    & skf21("2","2","2","3","7","7","6","1") = "6"
    & skf21("2","2","2","3","7","7","7","1") = "6"
    & skf21("2","2","2","4","1","1","1","1") = "3"
    & skf21("2","2","2","4","1","1","2","1") = "3"
    & skf21("2","2","2","4","1","1","3","1") = "3"
    & skf21("2","2","2","4","1","1","4","1") = "3"
    & skf21("2","2","2","4","1","1","5","1") = "4"
    & skf21("2","2","2","4","1","1","6","1") = "5"
    & skf21("2","2","2","4","1","1","7","1") = "6"
    & skf21("2","2","2","4","1","2","1","1") = "3"
    & skf21("2","2","2","4","1","2","2","1") = "3"
    & skf21("2","2","2","4","1","2","3","1") = "3"
    & skf21("2","2","2","4","1","2","4","1") = "3"
    & skf21("2","2","2","4","1","2","5","1") = "4"
    & skf21("2","2","2","4","1","2","6","1") = "5"
    & skf21("2","2","2","4","1","2","7","1") = "6"
    & skf21("2","2","2","4","1","3","1","1") = "3"
    & skf21("2","2","2","4","1","3","2","1") = "3"
    & skf21("2","2","2","4","1","3","3","1") = "3"
    & skf21("2","2","2","4","1","3","4","1") = "3"
    & skf21("2","2","2","4","1","3","5","1") = "4"
    & skf21("2","2","2","4","1","3","6","1") = "5"
    & skf21("2","2","2","4","1","3","7","1") = "6"
    & skf21("2","2","2","4","1","4","1","1") = "3"
    & skf21("2","2","2","4","1","4","2","1") = "3"
    & skf21("2","2","2","4","1","4","3","1") = "3"
    & skf21("2","2","2","4","1","4","4","1") = "3"
    & skf21("2","2","2","4","1","4","5","1") = "4"
    & skf21("2","2","2","4","1","4","6","1") = "5"
    & skf21("2","2","2","4","1","4","7","1") = "6"
    & skf21("2","2","2","4","1","5","1","1") = "4"
    & skf21("2","2","2","4","1","5","2","1") = "4"
    & skf21("2","2","2","4","1","5","3","1") = "4"
    & skf21("2","2","2","4","1","5","4","1") = "4"
    & skf21("2","2","2","4","1","5","5","1") = "4"
    & skf21("2","2","2","4","1","5","6","1") = "5"
    & skf21("2","2","2","4","1","5","7","1") = "6"
    & skf21("2","2","2","4","1","6","1","1") = "5"
    & skf21("2","2","2","4","1","6","2","1") = "5"
    & skf21("2","2","2","4","1","6","3","1") = "5"
    & skf21("2","2","2","4","1","6","4","1") = "5"
    & skf21("2","2","2","4","1","6","5","1") = "5"
    & skf21("2","2","2","4","1","6","6","1") = "5"
    & skf21("2","2","2","4","1","6","7","1") = "6"
    & skf21("2","2","2","4","1","7","1","1") = "6"
    & skf21("2","2","2","4","1","7","2","1") = "6"
    & skf21("2","2","2","4","1","7","3","1") = "6"
    & skf21("2","2","2","4","1","7","4","1") = "6"
    & skf21("2","2","2","4","1","7","5","1") = "6"
    & skf21("2","2","2","4","1","7","6","1") = "6"
    & skf21("2","2","2","4","1","7","7","1") = "6"
    & skf21("2","2","2","4","2","1","1","1") = "3"
    & skf21("2","2","2","4","2","1","2","1") = "3"
    & skf21("2","2","2","4","2","1","3","1") = "3"
    & skf21("2","2","2","4","2","1","4","1") = "3"
    & skf21("2","2","2","4","2","1","5","1") = "4"
    & skf21("2","2","2","4","2","1","6","1") = "5"
    & skf21("2","2","2","4","2","1","7","1") = "6"
    & skf21("2","2","2","4","2","2","1","1") = "3"
    & skf21("2","2","2","4","2","2","2","1") = "3"
    & skf21("2","2","2","4","2","2","3","1") = "3"
    & skf21("2","2","2","4","2","2","4","1") = "3"
    & skf21("2","2","2","4","2","2","5","1") = "4"
    & skf21("2","2","2","4","2","2","6","1") = "5"
    & skf21("2","2","2","4","2","2","7","1") = "6"
    & skf21("2","2","2","4","2","3","1","1") = "3"
    & skf21("2","2","2","4","2","3","2","1") = "3"
    & skf21("2","2","2","4","2","3","3","1") = "3"
    & skf21("2","2","2","4","2","3","4","1") = "3"
    & skf21("2","2","2","4","2","3","5","1") = "4"
    & skf21("2","2","2","4","2","3","6","1") = "5"
    & skf21("2","2","2","4","2","3","7","1") = "6"
    & skf21("2","2","2","4","2","4","1","1") = "3"
    & skf21("2","2","2","4","2","4","2","1") = "3"
    & skf21("2","2","2","4","2","4","3","1") = "3"
    & skf21("2","2","2","4","2","4","4","1") = "3"
    & skf21("2","2","2","4","2","4","5","1") = "4"
    & skf21("2","2","2","4","2","4","6","1") = "5"
    & skf21("2","2","2","4","2","4","7","1") = "6"
    & skf21("2","2","2","4","2","5","1","1") = "4"
    & skf21("2","2","2","4","2","5","2","1") = "4"
    & skf21("2","2","2","4","2","5","3","1") = "4"
    & skf21("2","2","2","4","2","5","4","1") = "4"
    & skf21("2","2","2","4","2","5","5","1") = "4"
    & skf21("2","2","2","4","2","5","6","1") = "5"
    & skf21("2","2","2","4","2","5","7","1") = "6"
    & skf21("2","2","2","4","2","6","1","1") = "5"
    & skf21("2","2","2","4","2","6","2","1") = "5"
    & skf21("2","2","2","4","2","6","3","1") = "5"
    & skf21("2","2","2","4","2","6","4","1") = "5"
    & skf21("2","2","2","4","2","6","5","1") = "5"
    & skf21("2","2","2","4","2","6","6","1") = "5"
    & skf21("2","2","2","4","2","6","7","1") = "6"
    & skf21("2","2","2","4","2","7","1","1") = "6"
    & skf21("2","2","2","4","2","7","2","1") = "6"
    & skf21("2","2","2","4","2","7","3","1") = "6"
    & skf21("2","2","2","4","2","7","4","1") = "6"
    & skf21("2","2","2","4","2","7","5","1") = "6"
    & skf21("2","2","2","4","2","7","6","1") = "6"
    & skf21("2","2","2","4","2","7","7","1") = "6"
    & skf21("2","2","2","4","3","1","1","1") = "3"
    & skf21("2","2","2","4","3","1","2","1") = "3"
    & skf21("2","2","2","4","3","1","3","1") = "3"
    & skf21("2","2","2","4","3","1","4","1") = "3"
    & skf21("2","2","2","4","3","1","5","1") = "4"
    & skf21("2","2","2","4","3","1","6","1") = "5"
    & skf21("2","2","2","4","3","1","7","1") = "6"
    & skf21("2","2","2","4","3","2","1","1") = "3"
    & skf21("2","2","2","4","3","2","2","1") = "3"
    & skf21("2","2","2","4","3","2","3","1") = "3"
    & skf21("2","2","2","4","3","2","4","1") = "3"
    & skf21("2","2","2","4","3","2","5","1") = "4"
    & skf21("2","2","2","4","3","2","6","1") = "5"
    & skf21("2","2","2","4","3","2","7","1") = "6"
    & skf21("2","2","2","4","3","3","1","1") = "3"
    & skf21("2","2","2","4","3","3","2","1") = "3"
    & skf21("2","2","2","4","3","3","3","1") = "3"
    & skf21("2","2","2","4","3","3","4","1") = "3"
    & skf21("2","2","2","4","3","3","5","1") = "4"
    & skf21("2","2","2","4","3","3","6","1") = "5"
    & skf21("2","2","2","4","3","3","7","1") = "6"
    & skf21("2","2","2","4","3","4","1","1") = "3"
    & skf21("2","2","2","4","3","4","2","1") = "3"
    & skf21("2","2","2","4","3","4","3","1") = "3"
    & skf21("2","2","2","4","3","4","4","1") = "3"
    & skf21("2","2","2","4","3","4","5","1") = "4"
    & skf21("2","2","2","4","3","4","6","1") = "5"
    & skf21("2","2","2","4","3","4","7","1") = "6"
    & skf21("2","2","2","4","3","5","1","1") = "4"
    & skf21("2","2","2","4","3","5","2","1") = "4"
    & skf21("2","2","2","4","3","5","3","1") = "4"
    & skf21("2","2","2","4","3","5","4","1") = "4"
    & skf21("2","2","2","4","3","5","5","1") = "4"
    & skf21("2","2","2","4","3","5","6","1") = "5"
    & skf21("2","2","2","4","3","5","7","1") = "6"
    & skf21("2","2","2","4","3","6","1","1") = "5"
    & skf21("2","2","2","4","3","6","2","1") = "5"
    & skf21("2","2","2","4","3","6","3","1") = "5"
    & skf21("2","2","2","4","3","6","4","1") = "5"
    & skf21("2","2","2","4","3","6","5","1") = "5"
    & skf21("2","2","2","4","3","6","6","1") = "5"
    & skf21("2","2","2","4","3","6","7","1") = "6"
    & skf21("2","2","2","4","3","7","1","1") = "6"
    & skf21("2","2","2","4","3","7","2","1") = "6"
    & skf21("2","2","2","4","3","7","3","1") = "6"
    & skf21("2","2","2","4","3","7","4","1") = "6"
    & skf21("2","2","2","4","3","7","5","1") = "6"
    & skf21("2","2","2","4","3","7","6","1") = "6"
    & skf21("2","2","2","4","3","7","7","1") = "6"
    & skf21("2","2","2","4","4","1","1","1") = "3"
    & skf21("2","2","2","4","4","1","2","1") = "3"
    & skf21("2","2","2","4","4","1","3","1") = "3"
    & skf21("2","2","2","4","4","1","4","1") = "3"
    & skf21("2","2","2","4","4","1","5","1") = "4"
    & skf21("2","2","2","4","4","1","6","1") = "5"
    & skf21("2","2","2","4","4","1","7","1") = "6"
    & skf21("2","2","2","4","4","2","1","1") = "3"
    & skf21("2","2","2","4","4","2","2","1") = "3"
    & skf21("2","2","2","4","4","2","3","1") = "3"
    & skf21("2","2","2","4","4","2","4","1") = "3"
    & skf21("2","2","2","4","4","2","5","1") = "4"
    & skf21("2","2","2","4","4","2","6","1") = "5"
    & skf21("2","2","2","4","4","2","7","1") = "6"
    & skf21("2","2","2","4","4","3","1","1") = "3"
    & skf21("2","2","2","4","4","3","2","1") = "3"
    & skf21("2","2","2","4","4","3","3","1") = "3"
    & skf21("2","2","2","4","4","3","4","1") = "3"
    & skf21("2","2","2","4","4","3","5","1") = "4"
    & skf21("2","2","2","4","4","3","6","1") = "5"
    & skf21("2","2","2","4","4","3","7","1") = "6"
    & skf21("2","2","2","4","4","4","1","1") = "3"
    & skf21("2","2","2","4","4","4","2","1") = "3"
    & skf21("2","2","2","4","4","4","3","1") = "3"
    & skf21("2","2","2","4","4","4","4","1") = "3"
    & skf21("2","2","2","4","4","4","5","1") = "4"
    & skf21("2","2","2","4","4","4","6","1") = "5"
    & skf21("2","2","2","4","4","4","7","1") = "6"
    & skf21("2","2","2","4","4","5","1","1") = "4"
    & skf21("2","2","2","4","4","5","2","1") = "4"
    & skf21("2","2","2","4","4","5","3","1") = "4"
    & skf21("2","2","2","4","4","5","4","1") = "4"
    & skf21("2","2","2","4","4","5","5","1") = "4"
    & skf21("2","2","2","4","4","5","6","1") = "5"
    & skf21("2","2","2","4","4","5","7","1") = "6"
    & skf21("2","2","2","4","4","6","1","1") = "5"
    & skf21("2","2","2","4","4","6","2","1") = "5"
    & skf21("2","2","2","4","4","6","3","1") = "5"
    & skf21("2","2","2","4","4","6","4","1") = "5"
    & skf21("2","2","2","4","4","6","5","1") = "5"
    & skf21("2","2","2","4","4","6","6","1") = "5"
    & skf21("2","2","2","4","4","6","7","1") = "6"
    & skf21("2","2","2","4","4","7","1","1") = "6"
    & skf21("2","2","2","4","4","7","2","1") = "6"
    & skf21("2","2","2","4","4","7","3","1") = "6"
    & skf21("2","2","2","4","4","7","4","1") = "6"
    & skf21("2","2","2","4","4","7","5","1") = "6"
    & skf21("2","2","2","4","4","7","6","1") = "6"
    & skf21("2","2","2","4","4","7","7","1") = "6"
    & skf21("2","2","2","4","5","1","1","1") = "4"
    & skf21("2","2","2","4","5","1","2","1") = "4"
    & skf21("2","2","2","4","5","1","3","1") = "4"
    & skf21("2","2","2","4","5","1","4","1") = "4"
    & skf21("2","2","2","4","5","1","5","1") = "4"
    & skf21("2","2","2","4","5","1","6","1") = "5"
    & skf21("2","2","2","4","5","1","7","1") = "6"
    & skf21("2","2","2","4","5","2","1","1") = "4"
    & skf21("2","2","2","4","5","2","2","1") = "4"
    & skf21("2","2","2","4","5","2","3","1") = "4"
    & skf21("2","2","2","4","5","2","4","1") = "4"
    & skf21("2","2","2","4","5","2","5","1") = "4"
    & skf21("2","2","2","4","5","2","6","1") = "5"
    & skf21("2","2","2","4","5","2","7","1") = "6"
    & skf21("2","2","2","4","5","3","1","1") = "4"
    & skf21("2","2","2","4","5","3","2","1") = "4"
    & skf21("2","2","2","4","5","3","3","1") = "4"
    & skf21("2","2","2","4","5","3","4","1") = "4"
    & skf21("2","2","2","4","5","3","5","1") = "4"
    & skf21("2","2","2","4","5","3","6","1") = "5"
    & skf21("2","2","2","4","5","3","7","1") = "6"
    & skf21("2","2","2","4","5","4","1","1") = "4"
    & skf21("2","2","2","4","5","4","2","1") = "4"
    & skf21("2","2","2","4","5","4","3","1") = "4"
    & skf21("2","2","2","4","5","4","4","1") = "4"
    & skf21("2","2","2","4","5","4","5","1") = "4"
    & skf21("2","2","2","4","5","4","6","1") = "5"
    & skf21("2","2","2","4","5","4","7","1") = "6"
    & skf21("2","2","2","4","5","5","1","1") = "4"
    & skf21("2","2","2","4","5","5","2","1") = "4"
    & skf21("2","2","2","4","5","5","3","1") = "4"
    & skf21("2","2","2","4","5","5","4","1") = "4"
    & skf21("2","2","2","4","5","5","5","1") = "4"
    & skf21("2","2","2","4","5","5","6","1") = "5"
    & skf21("2","2","2","4","5","5","7","1") = "6"
    & skf21("2","2","2","4","5","6","1","1") = "5"
    & skf21("2","2","2","4","5","6","2","1") = "5"
    & skf21("2","2","2","4","5","6","3","1") = "5"
    & skf21("2","2","2","4","5","6","4","1") = "5"
    & skf21("2","2","2","4","5","6","5","1") = "5"
    & skf21("2","2","2","4","5","6","6","1") = "5"
    & skf21("2","2","2","4","5","6","7","1") = "6"
    & skf21("2","2","2","4","5","7","1","1") = "6"
    & skf21("2","2","2","4","5","7","2","1") = "6"
    & skf21("2","2","2","4","5","7","3","1") = "6"
    & skf21("2","2","2","4","5","7","4","1") = "6"
    & skf21("2","2","2","4","5","7","5","1") = "6"
    & skf21("2","2","2","4","5","7","6","1") = "6"
    & skf21("2","2","2","4","5","7","7","1") = "6"
    & skf21("2","2","2","4","6","1","1","1") = "5"
    & skf21("2","2","2","4","6","1","2","1") = "5"
    & skf21("2","2","2","4","6","1","3","1") = "5"
    & skf21("2","2","2","4","6","1","4","1") = "5"
    & skf21("2","2","2","4","6","1","5","1") = "5"
    & skf21("2","2","2","4","6","1","6","1") = "5"
    & skf21("2","2","2","4","6","1","7","1") = "6"
    & skf21("2","2","2","4","6","2","1","1") = "5"
    & skf21("2","2","2","4","6","2","2","1") = "5"
    & skf21("2","2","2","4","6","2","3","1") = "5"
    & skf21("2","2","2","4","6","2","4","1") = "5"
    & skf21("2","2","2","4","6","2","5","1") = "5"
    & skf21("2","2","2","4","6","2","6","1") = "5"
    & skf21("2","2","2","4","6","2","7","1") = "6"
    & skf21("2","2","2","4","6","3","1","1") = "5"
    & skf21("2","2","2","4","6","3","2","1") = "5"
    & skf21("2","2","2","4","6","3","3","1") = "5"
    & skf21("2","2","2","4","6","3","4","1") = "5"
    & skf21("2","2","2","4","6","3","5","1") = "5"
    & skf21("2","2","2","4","6","3","6","1") = "5"
    & skf21("2","2","2","4","6","3","7","1") = "6"
    & skf21("2","2","2","4","6","4","1","1") = "5"
    & skf21("2","2","2","4","6","4","2","1") = "5"
    & skf21("2","2","2","4","6","4","3","1") = "5"
    & skf21("2","2","2","4","6","4","4","1") = "5"
    & skf21("2","2","2","4","6","4","5","1") = "5"
    & skf21("2","2","2","4","6","4","6","1") = "5"
    & skf21("2","2","2","4","6","4","7","1") = "6"
    & skf21("2","2","2","4","6","5","1","1") = "5"
    & skf21("2","2","2","4","6","5","2","1") = "5"
    & skf21("2","2","2","4","6","5","3","1") = "5"
    & skf21("2","2","2","4","6","5","4","1") = "5"
    & skf21("2","2","2","4","6","5","5","1") = "5"
    & skf21("2","2","2","4","6","5","6","1") = "5"
    & skf21("2","2","2","4","6","5","7","1") = "6"
    & skf21("2","2","2","4","6","6","1","1") = "5"
    & skf21("2","2","2","4","6","6","2","1") = "5"
    & skf21("2","2","2","4","6","6","3","1") = "5"
    & skf21("2","2","2","4","6","6","4","1") = "5"
    & skf21("2","2","2","4","6","6","5","1") = "5"
    & skf21("2","2","2","4","6","6","6","1") = "5"
    & skf21("2","2","2","4","6","6","7","1") = "6"
    & skf21("2","2","2","4","6","7","1","1") = "6"
    & skf21("2","2","2","4","6","7","2","1") = "6"
    & skf21("2","2","2","4","6","7","3","1") = "6"
    & skf21("2","2","2","4","6","7","4","1") = "6"
    & skf21("2","2","2","4","6","7","5","1") = "6"
    & skf21("2","2","2","4","6","7","6","1") = "6"
    & skf21("2","2","2","4","6","7","7","1") = "6"
    & skf21("2","2","2","4","7","1","1","1") = "6"
    & skf21("2","2","2","4","7","1","2","1") = "6"
    & skf21("2","2","2","4","7","1","3","1") = "6"
    & skf21("2","2","2","4","7","1","4","1") = "6"
    & skf21("2","2","2","4","7","1","5","1") = "6"
    & skf21("2","2","2","4","7","1","6","1") = "6"
    & skf21("2","2","2","4","7","1","7","1") = "6"
    & skf21("2","2","2","4","7","2","1","1") = "6"
    & skf21("2","2","2","4","7","2","2","1") = "6"
    & skf21("2","2","2","4","7","2","3","1") = "6"
    & skf21("2","2","2","4","7","2","4","1") = "6"
    & skf21("2","2","2","4","7","2","5","1") = "6"
    & skf21("2","2","2","4","7","2","6","1") = "6"
    & skf21("2","2","2","4","7","2","7","1") = "6"
    & skf21("2","2","2","4","7","3","1","1") = "6"
    & skf21("2","2","2","4","7","3","2","1") = "6"
    & skf21("2","2","2","4","7","3","3","1") = "6"
    & skf21("2","2","2","4","7","3","4","1") = "6"
    & skf21("2","2","2","4","7","3","5","1") = "6"
    & skf21("2","2","2","4","7","3","6","1") = "6"
    & skf21("2","2","2","4","7","3","7","1") = "6"
    & skf21("2","2","2","4","7","4","1","1") = "6"
    & skf21("2","2","2","4","7","4","2","1") = "6"
    & skf21("2","2","2","4","7","4","3","1") = "6"
    & skf21("2","2","2","4","7","4","4","1") = "6"
    & skf21("2","2","2","4","7","4","5","1") = "6"
    & skf21("2","2","2","4","7","4","6","1") = "6"
    & skf21("2","2","2","4","7","4","7","1") = "6"
    & skf21("2","2","2","4","7","5","1","1") = "6"
    & skf21("2","2","2","4","7","5","2","1") = "6"
    & skf21("2","2","2","4","7","5","3","1") = "6"
    & skf21("2","2","2","4","7","5","4","1") = "6"
    & skf21("2","2","2","4","7","5","5","1") = "6"
    & skf21("2","2","2","4","7","5","6","1") = "6"
    & skf21("2","2","2","4","7","5","7","1") = "6"
    & skf21("2","2","2","4","7","6","1","1") = "6"
    & skf21("2","2","2","4","7","6","2","1") = "6"
    & skf21("2","2","2","4","7","6","3","1") = "6"
    & skf21("2","2","2","4","7","6","4","1") = "6"
    & skf21("2","2","2","4","7","6","5","1") = "6"
    & skf21("2","2","2","4","7","6","6","1") = "6"
    & skf21("2","2","2","4","7","6","7","1") = "6"
    & skf21("2","2","2","4","7","7","1","1") = "6"
    & skf21("2","2","2","4","7","7","2","1") = "6"
    & skf21("2","2","2","4","7","7","3","1") = "6"
    & skf21("2","2","2","4","7","7","4","1") = "6"
    & skf21("2","2","2","4","7","7","5","1") = "6"
    & skf21("2","2","2","4","7","7","6","1") = "6"
    & skf21("2","2","2","4","7","7","7","1") = "6"
    & skf21("2","2","2","5","1","1","1","1") = "4"
    & skf21("2","2","2","5","1","1","2","1") = "4"
    & skf21("2","2","2","5","1","1","3","1") = "4"
    & skf21("2","2","2","5","1","1","4","1") = "4"
    & skf21("2","2","2","5","1","1","5","1") = "4"
    & skf21("2","2","2","5","1","1","6","1") = "5"
    & skf21("2","2","2","5","1","1","7","1") = "6"
    & skf21("2","2","2","5","1","2","1","1") = "4"
    & skf21("2","2","2","5","1","2","2","1") = "4"
    & skf21("2","2","2","5","1","2","3","1") = "4"
    & skf21("2","2","2","5","1","2","4","1") = "4"
    & skf21("2","2","2","5","1","2","5","1") = "4"
    & skf21("2","2","2","5","1","2","6","1") = "5"
    & skf21("2","2","2","5","1","2","7","1") = "6"
    & skf21("2","2","2","5","1","3","1","1") = "4"
    & skf21("2","2","2","5","1","3","2","1") = "4"
    & skf21("2","2","2","5","1","3","3","1") = "4"
    & skf21("2","2","2","5","1","3","4","1") = "4"
    & skf21("2","2","2","5","1","3","5","1") = "4"
    & skf21("2","2","2","5","1","3","6","1") = "5"
    & skf21("2","2","2","5","1","3","7","1") = "6"
    & skf21("2","2","2","5","1","4","1","1") = "4"
    & skf21("2","2","2","5","1","4","2","1") = "4"
    & skf21("2","2","2","5","1","4","3","1") = "4"
    & skf21("2","2","2","5","1","4","4","1") = "4"
    & skf21("2","2","2","5","1","4","5","1") = "4"
    & skf21("2","2","2","5","1","4","6","1") = "5"
    & skf21("2","2","2","5","1","4","7","1") = "6"
    & skf21("2","2","2","5","1","5","1","1") = "4"
    & skf21("2","2","2","5","1","5","2","1") = "4"
    & skf21("2","2","2","5","1","5","3","1") = "4"
    & skf21("2","2","2","5","1","5","4","1") = "4"
    & skf21("2","2","2","5","1","5","5","1") = "4"
    & skf21("2","2","2","5","1","5","6","1") = "5"
    & skf21("2","2","2","5","1","5","7","1") = "6"
    & skf21("2","2","2","5","1","6","1","1") = "5"
    & skf21("2","2","2","5","1","6","2","1") = "5"
    & skf21("2","2","2","5","1","6","3","1") = "5"
    & skf21("2","2","2","5","1","6","4","1") = "5"
    & skf21("2","2","2","5","1","6","5","1") = "5"
    & skf21("2","2","2","5","1","6","6","1") = "5"
    & skf21("2","2","2","5","1","6","7","1") = "6"
    & skf21("2","2","2","5","1","7","1","1") = "6"
    & skf21("2","2","2","5","1","7","2","1") = "6"
    & skf21("2","2","2","5","1","7","3","1") = "6"
    & skf21("2","2","2","5","1","7","4","1") = "6"
    & skf21("2","2","2","5","1","7","5","1") = "6"
    & skf21("2","2","2","5","1","7","6","1") = "6"
    & skf21("2","2","2","5","1","7","7","1") = "6"
    & skf21("2","2","2","5","2","1","1","1") = "4"
    & skf21("2","2","2","5","2","1","2","1") = "4"
    & skf21("2","2","2","5","2","1","3","1") = "4"
    & skf21("2","2","2","5","2","1","4","1") = "4"
    & skf21("2","2","2","5","2","1","5","1") = "4"
    & skf21("2","2","2","5","2","1","6","1") = "5"
    & skf21("2","2","2","5","2","1","7","1") = "6"
    & skf21("2","2","2","5","2","2","1","1") = "4"
    & skf21("2","2","2","5","2","2","2","1") = "4"
    & skf21("2","2","2","5","2","2","3","1") = "4"
    & skf21("2","2","2","5","2","2","4","1") = "4"
    & skf21("2","2","2","5","2","2","5","1") = "4"
    & skf21("2","2","2","5","2","2","6","1") = "5"
    & skf21("2","2","2","5","2","2","7","1") = "6"
    & skf21("2","2","2","5","2","3","1","1") = "4"
    & skf21("2","2","2","5","2","3","2","1") = "4"
    & skf21("2","2","2","5","2","3","3","1") = "4"
    & skf21("2","2","2","5","2","3","4","1") = "4"
    & skf21("2","2","2","5","2","3","5","1") = "4"
    & skf21("2","2","2","5","2","3","6","1") = "5"
    & skf21("2","2","2","5","2","3","7","1") = "6"
    & skf21("2","2","2","5","2","4","1","1") = "4"
    & skf21("2","2","2","5","2","4","2","1") = "4"
    & skf21("2","2","2","5","2","4","3","1") = "4"
    & skf21("2","2","2","5","2","4","4","1") = "4"
    & skf21("2","2","2","5","2","4","5","1") = "4"
    & skf21("2","2","2","5","2","4","6","1") = "5"
    & skf21("2","2","2","5","2","4","7","1") = "6"
    & skf21("2","2","2","5","2","5","1","1") = "4"
    & skf21("2","2","2","5","2","5","2","1") = "4"
    & skf21("2","2","2","5","2","5","3","1") = "4"
    & skf21("2","2","2","5","2","5","4","1") = "4"
    & skf21("2","2","2","5","2","5","5","1") = "4"
    & skf21("2","2","2","5","2","5","6","1") = "5"
    & skf21("2","2","2","5","2","5","7","1") = "6"
    & skf21("2","2","2","5","2","6","1","1") = "5"
    & skf21("2","2","2","5","2","6","2","1") = "5"
    & skf21("2","2","2","5","2","6","3","1") = "5"
    & skf21("2","2","2","5","2","6","4","1") = "5"
    & skf21("2","2","2","5","2","6","5","1") = "5"
    & skf21("2","2","2","5","2","6","6","1") = "5"
    & skf21("2","2","2","5","2","6","7","1") = "6"
    & skf21("2","2","2","5","2","7","1","1") = "6"
    & skf21("2","2","2","5","2","7","2","1") = "6"
    & skf21("2","2","2","5","2","7","3","1") = "6"
    & skf21("2","2","2","5","2","7","4","1") = "6"
    & skf21("2","2","2","5","2","7","5","1") = "6"
    & skf21("2","2","2","5","2","7","6","1") = "6"
    & skf21("2","2","2","5","2","7","7","1") = "6"
    & skf21("2","2","2","5","3","1","1","1") = "4"
    & skf21("2","2","2","5","3","1","2","1") = "4"
    & skf21("2","2","2","5","3","1","3","1") = "4"
    & skf21("2","2","2","5","3","1","4","1") = "4"
    & skf21("2","2","2","5","3","1","5","1") = "4"
    & skf21("2","2","2","5","3","1","6","1") = "5"
    & skf21("2","2","2","5","3","1","7","1") = "6"
    & skf21("2","2","2","5","3","2","1","1") = "4"
    & skf21("2","2","2","5","3","2","2","1") = "4"
    & skf21("2","2","2","5","3","2","3","1") = "4"
    & skf21("2","2","2","5","3","2","4","1") = "4"
    & skf21("2","2","2","5","3","2","5","1") = "4"
    & skf21("2","2","2","5","3","2","6","1") = "5"
    & skf21("2","2","2","5","3","2","7","1") = "6"
    & skf21("2","2","2","5","3","3","1","1") = "4"
    & skf21("2","2","2","5","3","3","2","1") = "4"
    & skf21("2","2","2","5","3","3","3","1") = "4"
    & skf21("2","2","2","5","3","3","4","1") = "4"
    & skf21("2","2","2","5","3","3","5","1") = "4"
    & skf21("2","2","2","5","3","3","6","1") = "5"
    & skf21("2","2","2","5","3","3","7","1") = "6"
    & skf21("2","2","2","5","3","4","1","1") = "4"
    & skf21("2","2","2","5","3","4","2","1") = "4"
    & skf21("2","2","2","5","3","4","3","1") = "4"
    & skf21("2","2","2","5","3","4","4","1") = "4"
    & skf21("2","2","2","5","3","4","5","1") = "4"
    & skf21("2","2","2","5","3","4","6","1") = "5"
    & skf21("2","2","2","5","3","4","7","1") = "6"
    & skf21("2","2","2","5","3","5","1","1") = "4"
    & skf21("2","2","2","5","3","5","2","1") = "4"
    & skf21("2","2","2","5","3","5","3","1") = "4"
    & skf21("2","2","2","5","3","5","4","1") = "4"
    & skf21("2","2","2","5","3","5","5","1") = "4"
    & skf21("2","2","2","5","3","5","6","1") = "5"
    & skf21("2","2","2","5","3","5","7","1") = "6"
    & skf21("2","2","2","5","3","6","1","1") = "5"
    & skf21("2","2","2","5","3","6","2","1") = "5"
    & skf21("2","2","2","5","3","6","3","1") = "5"
    & skf21("2","2","2","5","3","6","4","1") = "5"
    & skf21("2","2","2","5","3","6","5","1") = "5"
    & skf21("2","2","2","5","3","6","6","1") = "5"
    & skf21("2","2","2","5","3","6","7","1") = "6"
    & skf21("2","2","2","5","3","7","1","1") = "6"
    & skf21("2","2","2","5","3","7","2","1") = "6"
    & skf21("2","2","2","5","3","7","3","1") = "6"
    & skf21("2","2","2","5","3","7","4","1") = "6"
    & skf21("2","2","2","5","3","7","5","1") = "6"
    & skf21("2","2","2","5","3","7","6","1") = "6"
    & skf21("2","2","2","5","3","7","7","1") = "6"
    & skf21("2","2","2","5","4","1","1","1") = "4"
    & skf21("2","2","2","5","4","1","2","1") = "4"
    & skf21("2","2","2","5","4","1","3","1") = "4"
    & skf21("2","2","2","5","4","1","4","1") = "4"
    & skf21("2","2","2","5","4","1","5","1") = "4"
    & skf21("2","2","2","5","4","1","6","1") = "5"
    & skf21("2","2","2","5","4","1","7","1") = "6"
    & skf21("2","2","2","5","4","2","1","1") = "4"
    & skf21("2","2","2","5","4","2","2","1") = "4"
    & skf21("2","2","2","5","4","2","3","1") = "4"
    & skf21("2","2","2","5","4","2","4","1") = "4"
    & skf21("2","2","2","5","4","2","5","1") = "4"
    & skf21("2","2","2","5","4","2","6","1") = "5"
    & skf21("2","2","2","5","4","2","7","1") = "6"
    & skf21("2","2","2","5","4","3","1","1") = "4"
    & skf21("2","2","2","5","4","3","2","1") = "4"
    & skf21("2","2","2","5","4","3","3","1") = "4"
    & skf21("2","2","2","5","4","3","4","1") = "4"
    & skf21("2","2","2","5","4","3","5","1") = "4"
    & skf21("2","2","2","5","4","3","6","1") = "5"
    & skf21("2","2","2","5","4","3","7","1") = "6"
    & skf21("2","2","2","5","4","4","1","1") = "4"
    & skf21("2","2","2","5","4","4","2","1") = "4"
    & skf21("2","2","2","5","4","4","3","1") = "4"
    & skf21("2","2","2","5","4","4","4","1") = "4"
    & skf21("2","2","2","5","4","4","5","1") = "4"
    & skf21("2","2","2","5","4","4","6","1") = "5"
    & skf21("2","2","2","5","4","4","7","1") = "6"
    & skf21("2","2","2","5","4","5","1","1") = "4"
    & skf21("2","2","2","5","4","5","2","1") = "4"
    & skf21("2","2","2","5","4","5","3","1") = "4"
    & skf21("2","2","2","5","4","5","4","1") = "4"
    & skf21("2","2","2","5","4","5","5","1") = "4"
    & skf21("2","2","2","5","4","5","6","1") = "5"
    & skf21("2","2","2","5","4","5","7","1") = "6"
    & skf21("2","2","2","5","4","6","1","1") = "5"
    & skf21("2","2","2","5","4","6","2","1") = "5"
    & skf21("2","2","2","5","4","6","3","1") = "5"
    & skf21("2","2","2","5","4","6","4","1") = "5"
    & skf21("2","2","2","5","4","6","5","1") = "5"
    & skf21("2","2","2","5","4","6","6","1") = "5"
    & skf21("2","2","2","5","4","6","7","1") = "6"
    & skf21("2","2","2","5","4","7","1","1") = "6"
    & skf21("2","2","2","5","4","7","2","1") = "6"
    & skf21("2","2","2","5","4","7","3","1") = "6"
    & skf21("2","2","2","5","4","7","4","1") = "6"
    & skf21("2","2","2","5","4","7","5","1") = "6"
    & skf21("2","2","2","5","4","7","6","1") = "6"
    & skf21("2","2","2","5","4","7","7","1") = "6"
    & skf21("2","2","2","5","5","1","1","1") = "4"
    & skf21("2","2","2","5","5","1","2","1") = "4"
    & skf21("2","2","2","5","5","1","3","1") = "4"
    & skf21("2","2","2","5","5","1","4","1") = "4"
    & skf21("2","2","2","5","5","1","5","1") = "4"
    & skf21("2","2","2","5","5","1","6","1") = "5"
    & skf21("2","2","2","5","5","1","7","1") = "6"
    & skf21("2","2","2","5","5","2","1","1") = "4"
    & skf21("2","2","2","5","5","2","2","1") = "4"
    & skf21("2","2","2","5","5","2","3","1") = "4"
    & skf21("2","2","2","5","5","2","4","1") = "4"
    & skf21("2","2","2","5","5","2","5","1") = "4"
    & skf21("2","2","2","5","5","2","6","1") = "5"
    & skf21("2","2","2","5","5","2","7","1") = "6"
    & skf21("2","2","2","5","5","3","1","1") = "4"
    & skf21("2","2","2","5","5","3","2","1") = "4"
    & skf21("2","2","2","5","5","3","3","1") = "4"
    & skf21("2","2","2","5","5","3","4","1") = "4"
    & skf21("2","2","2","5","5","3","5","1") = "4"
    & skf21("2","2","2","5","5","3","6","1") = "5"
    & skf21("2","2","2","5","5","3","7","1") = "6"
    & skf21("2","2","2","5","5","4","1","1") = "4"
    & skf21("2","2","2","5","5","4","2","1") = "4"
    & skf21("2","2","2","5","5","4","3","1") = "4"
    & skf21("2","2","2","5","5","4","4","1") = "4"
    & skf21("2","2","2","5","5","4","5","1") = "4"
    & skf21("2","2","2","5","5","4","6","1") = "5"
    & skf21("2","2","2","5","5","4","7","1") = "6"
    & skf21("2","2","2","5","5","5","1","1") = "4"
    & skf21("2","2","2","5","5","5","2","1") = "4"
    & skf21("2","2","2","5","5","5","3","1") = "4"
    & skf21("2","2","2","5","5","5","4","1") = "4"
    & skf21("2","2","2","5","5","5","5","1") = "4"
    & skf21("2","2","2","5","5","5","6","1") = "5"
    & skf21("2","2","2","5","5","5","7","1") = "6"
    & skf21("2","2","2","5","5","6","1","1") = "5"
    & skf21("2","2","2","5","5","6","2","1") = "5"
    & skf21("2","2","2","5","5","6","3","1") = "5"
    & skf21("2","2","2","5","5","6","4","1") = "5"
    & skf21("2","2","2","5","5","6","5","1") = "5"
    & skf21("2","2","2","5","5","6","6","1") = "5"
    & skf21("2","2","2","5","5","6","7","1") = "6"
    & skf21("2","2","2","5","5","7","1","1") = "6"
    & skf21("2","2","2","5","5","7","2","1") = "6"
    & skf21("2","2","2","5","5","7","3","1") = "6"
    & skf21("2","2","2","5","5","7","4","1") = "6"
    & skf21("2","2","2","5","5","7","5","1") = "6"
    & skf21("2","2","2","5","5","7","6","1") = "6"
    & skf21("2","2","2","5","5","7","7","1") = "6"
    & skf21("2","2","2","5","6","1","1","1") = "5"
    & skf21("2","2","2","5","6","1","2","1") = "5"
    & skf21("2","2","2","5","6","1","3","1") = "5"
    & skf21("2","2","2","5","6","1","4","1") = "5"
    & skf21("2","2","2","5","6","1","5","1") = "5"
    & skf21("2","2","2","5","6","1","6","1") = "5"
    & skf21("2","2","2","5","6","1","7","1") = "6"
    & skf21("2","2","2","5","6","2","1","1") = "5"
    & skf21("2","2","2","5","6","2","2","1") = "5"
    & skf21("2","2","2","5","6","2","3","1") = "5"
    & skf21("2","2","2","5","6","2","4","1") = "5"
    & skf21("2","2","2","5","6","2","5","1") = "5"
    & skf21("2","2","2","5","6","2","6","1") = "5"
    & skf21("2","2","2","5","6","2","7","1") = "6"
    & skf21("2","2","2","5","6","3","1","1") = "5"
    & skf21("2","2","2","5","6","3","2","1") = "5"
    & skf21("2","2","2","5","6","3","3","1") = "5"
    & skf21("2","2","2","5","6","3","4","1") = "5"
    & skf21("2","2","2","5","6","3","5","1") = "5"
    & skf21("2","2","2","5","6","3","6","1") = "5"
    & skf21("2","2","2","5","6","3","7","1") = "6"
    & skf21("2","2","2","5","6","4","1","1") = "5"
    & skf21("2","2","2","5","6","4","2","1") = "5"
    & skf21("2","2","2","5","6","4","3","1") = "5"
    & skf21("2","2","2","5","6","4","4","1") = "5"
    & skf21("2","2","2","5","6","4","5","1") = "5"
    & skf21("2","2","2","5","6","4","6","1") = "5"
    & skf21("2","2","2","5","6","4","7","1") = "6"
    & skf21("2","2","2","5","6","5","1","1") = "5"
    & skf21("2","2","2","5","6","5","2","1") = "5"
    & skf21("2","2","2","5","6","5","3","1") = "5"
    & skf21("2","2","2","5","6","5","4","1") = "5"
    & skf21("2","2","2","5","6","5","5","1") = "5"
    & skf21("2","2","2","5","6","5","6","1") = "5"
    & skf21("2","2","2","5","6","5","7","1") = "6"
    & skf21("2","2","2","5","6","6","1","1") = "5"
    & skf21("2","2","2","5","6","6","2","1") = "5"
    & skf21("2","2","2","5","6","6","3","1") = "5"
    & skf21("2","2","2","5","6","6","4","1") = "5"
    & skf21("2","2","2","5","6","6","5","1") = "5"
    & skf21("2","2","2","5","6","6","6","1") = "5"
    & skf21("2","2","2","5","6","6","7","1") = "6"
    & skf21("2","2","2","5","6","7","1","1") = "6"
    & skf21("2","2","2","5","6","7","2","1") = "6"
    & skf21("2","2","2","5","6","7","3","1") = "6"
    & skf21("2","2","2","5","6","7","4","1") = "6"
    & skf21("2","2","2","5","6","7","5","1") = "6"
    & skf21("2","2","2","5","6","7","6","1") = "6"
    & skf21("2","2","2","5","6","7","7","1") = "6"
    & skf21("2","2","2","5","7","1","1","1") = "6"
    & skf21("2","2","2","5","7","1","2","1") = "6"
    & skf21("2","2","2","5","7","1","3","1") = "6"
    & skf21("2","2","2","5","7","1","4","1") = "6"
    & skf21("2","2","2","5","7","1","5","1") = "6"
    & skf21("2","2","2","5","7","1","6","1") = "6"
    & skf21("2","2","2","5","7","1","7","1") = "6"
    & skf21("2","2","2","5","7","2","1","1") = "6"
    & skf21("2","2","2","5","7","2","2","1") = "6"
    & skf21("2","2","2","5","7","2","3","1") = "6"
    & skf21("2","2","2","5","7","2","4","1") = "6"
    & skf21("2","2","2","5","7","2","5","1") = "6"
    & skf21("2","2","2","5","7","2","6","1") = "6"
    & skf21("2","2","2","5","7","2","7","1") = "6"
    & skf21("2","2","2","5","7","3","1","1") = "6"
    & skf21("2","2","2","5","7","3","2","1") = "6"
    & skf21("2","2","2","5","7","3","3","1") = "6"
    & skf21("2","2","2","5","7","3","4","1") = "6"
    & skf21("2","2","2","5","7","3","5","1") = "6"
    & skf21("2","2","2","5","7","3","6","1") = "6"
    & skf21("2","2","2","5","7","3","7","1") = "6"
    & skf21("2","2","2","5","7","4","1","1") = "6"
    & skf21("2","2","2","5","7","4","2","1") = "6"
    & skf21("2","2","2","5","7","4","3","1") = "6"
    & skf21("2","2","2","5","7","4","4","1") = "6"
    & skf21("2","2","2","5","7","4","5","1") = "6"
    & skf21("2","2","2","5","7","4","6","1") = "6"
    & skf21("2","2","2","5","7","4","7","1") = "6"
    & skf21("2","2","2","5","7","5","1","1") = "6"
    & skf21("2","2","2","5","7","5","2","1") = "6"
    & skf21("2","2","2","5","7","5","3","1") = "6"
    & skf21("2","2","2","5","7","5","4","1") = "6"
    & skf21("2","2","2","5","7","5","5","1") = "6"
    & skf21("2","2","2","5","7","5","6","1") = "6"
    & skf21("2","2","2","5","7","5","7","1") = "6"
    & skf21("2","2","2","5","7","6","1","1") = "6"
    & skf21("2","2","2","5","7","6","2","1") = "6"
    & skf21("2","2","2","5","7","6","3","1") = "6"
    & skf21("2","2","2","5","7","6","4","1") = "6"
    & skf21("2","2","2","5","7","6","5","1") = "6"
    & skf21("2","2","2","5","7","6","6","1") = "6"
    & skf21("2","2","2","5","7","6","7","1") = "6"
    & skf21("2","2","2","5","7","7","1","1") = "6"
    & skf21("2","2","2","5","7","7","2","1") = "6"
    & skf21("2","2","2","5","7","7","3","1") = "6"
    & skf21("2","2","2","5","7","7","4","1") = "6"
    & skf21("2","2","2","5","7","7","5","1") = "6"
    & skf21("2","2","2","5","7","7","6","1") = "6"
    & skf21("2","2","2","5","7","7","7","1") = "6"
    & skf21("2","2","2","6","1","1","1","1") = "5"
    & skf21("2","2","2","6","1","1","2","1") = "5"
    & skf21("2","2","2","6","1","1","3","1") = "5"
    & skf21("2","2","2","6","1","1","4","1") = "5"
    & skf21("2","2","2","6","1","1","5","1") = "5"
    & skf21("2","2","2","6","1","1","6","1") = "5"
    & skf21("2","2","2","6","1","1","7","1") = "6"
    & skf21("2","2","2","6","1","2","1","1") = "5"
    & skf21("2","2","2","6","1","2","2","1") = "5"
    & skf21("2","2","2","6","1","2","3","1") = "5"
    & skf21("2","2","2","6","1","2","4","1") = "5"
    & skf21("2","2","2","6","1","2","5","1") = "5"
    & skf21("2","2","2","6","1","2","6","1") = "5"
    & skf21("2","2","2","6","1","2","7","1") = "6"
    & skf21("2","2","2","6","1","3","1","1") = "5"
    & skf21("2","2","2","6","1","3","2","1") = "5"
    & skf21("2","2","2","6","1","3","3","1") = "5"
    & skf21("2","2","2","6","1","3","4","1") = "5"
    & skf21("2","2","2","6","1","3","5","1") = "5"
    & skf21("2","2","2","6","1","3","6","1") = "5"
    & skf21("2","2","2","6","1","3","7","1") = "6"
    & skf21("2","2","2","6","1","4","1","1") = "5"
    & skf21("2","2","2","6","1","4","2","1") = "5"
    & skf21("2","2","2","6","1","4","3","1") = "5"
    & skf21("2","2","2","6","1","4","4","1") = "5"
    & skf21("2","2","2","6","1","4","5","1") = "5"
    & skf21("2","2","2","6","1","4","6","1") = "5"
    & skf21("2","2","2","6","1","4","7","1") = "6"
    & skf21("2","2","2","6","1","5","1","1") = "5"
    & skf21("2","2","2","6","1","5","2","1") = "5"
    & skf21("2","2","2","6","1","5","3","1") = "5"
    & skf21("2","2","2","6","1","5","4","1") = "5"
    & skf21("2","2","2","6","1","5","5","1") = "5"
    & skf21("2","2","2","6","1","5","6","1") = "5"
    & skf21("2","2","2","6","1","5","7","1") = "6"
    & skf21("2","2","2","6","1","6","1","1") = "5"
    & skf21("2","2","2","6","1","6","2","1") = "5"
    & skf21("2","2","2","6","1","6","3","1") = "5"
    & skf21("2","2","2","6","1","6","4","1") = "5"
    & skf21("2","2","2","6","1","6","5","1") = "5"
    & skf21("2","2","2","6","1","6","6","1") = "5"
    & skf21("2","2","2","6","1","6","7","1") = "6"
    & skf21("2","2","2","6","1","7","1","1") = "6"
    & skf21("2","2","2","6","1","7","2","1") = "6"
    & skf21("2","2","2","6","1","7","3","1") = "6"
    & skf21("2","2","2","6","1","7","4","1") = "6"
    & skf21("2","2","2","6","1","7","5","1") = "6"
    & skf21("2","2","2","6","1","7","6","1") = "6"
    & skf21("2","2","2","6","1","7","7","1") = "6"
    & skf21("2","2","2","6","2","1","1","1") = "5"
    & skf21("2","2","2","6","2","1","2","1") = "5"
    & skf21("2","2","2","6","2","1","3","1") = "5"
    & skf21("2","2","2","6","2","1","4","1") = "5"
    & skf21("2","2","2","6","2","1","5","1") = "5"
    & skf21("2","2","2","6","2","1","6","1") = "5"
    & skf21("2","2","2","6","2","1","7","1") = "6"
    & skf21("2","2","2","6","2","2","1","1") = "5"
    & skf21("2","2","2","6","2","2","2","1") = "5"
    & skf21("2","2","2","6","2","2","3","1") = "5"
    & skf21("2","2","2","6","2","2","4","1") = "5"
    & skf21("2","2","2","6","2","2","5","1") = "5"
    & skf21("2","2","2","6","2","2","6","1") = "5"
    & skf21("2","2","2","6","2","2","7","1") = "6"
    & skf21("2","2","2","6","2","3","1","1") = "5"
    & skf21("2","2","2","6","2","3","2","1") = "5"
    & skf21("2","2","2","6","2","3","3","1") = "5"
    & skf21("2","2","2","6","2","3","4","1") = "5"
    & skf21("2","2","2","6","2","3","5","1") = "5"
    & skf21("2","2","2","6","2","3","6","1") = "5"
    & skf21("2","2","2","6","2","3","7","1") = "6"
    & skf21("2","2","2","6","2","4","1","1") = "5"
    & skf21("2","2","2","6","2","4","2","1") = "5"
    & skf21("2","2","2","6","2","4","3","1") = "5"
    & skf21("2","2","2","6","2","4","4","1") = "5"
    & skf21("2","2","2","6","2","4","5","1") = "5"
    & skf21("2","2","2","6","2","4","6","1") = "5"
    & skf21("2","2","2","6","2","4","7","1") = "6"
    & skf21("2","2","2","6","2","5","1","1") = "5"
    & skf21("2","2","2","6","2","5","2","1") = "5"
    & skf21("2","2","2","6","2","5","3","1") = "5"
    & skf21("2","2","2","6","2","5","4","1") = "5"
    & skf21("2","2","2","6","2","5","5","1") = "5"
    & skf21("2","2","2","6","2","5","6","1") = "5"
    & skf21("2","2","2","6","2","5","7","1") = "6"
    & skf21("2","2","2","6","2","6","1","1") = "5"
    & skf21("2","2","2","6","2","6","2","1") = "5"
    & skf21("2","2","2","6","2","6","3","1") = "5"
    & skf21("2","2","2","6","2","6","4","1") = "5"
    & skf21("2","2","2","6","2","6","5","1") = "5"
    & skf21("2","2","2","6","2","6","6","1") = "5"
    & skf21("2","2","2","6","2","6","7","1") = "6"
    & skf21("2","2","2","6","2","7","1","1") = "6"
    & skf21("2","2","2","6","2","7","2","1") = "6"
    & skf21("2","2","2","6","2","7","3","1") = "6"
    & skf21("2","2","2","6","2","7","4","1") = "6"
    & skf21("2","2","2","6","2","7","5","1") = "6"
    & skf21("2","2","2","6","2","7","6","1") = "6"
    & skf21("2","2","2","6","2","7","7","1") = "6"
    & skf21("2","2","2","6","3","1","1","1") = "5"
    & skf21("2","2","2","6","3","1","2","1") = "5"
    & skf21("2","2","2","6","3","1","3","1") = "5"
    & skf21("2","2","2","6","3","1","4","1") = "5"
    & skf21("2","2","2","6","3","1","5","1") = "5"
    & skf21("2","2","2","6","3","1","6","1") = "5"
    & skf21("2","2","2","6","3","1","7","1") = "6"
    & skf21("2","2","2","6","3","2","1","1") = "5"
    & skf21("2","2","2","6","3","2","2","1") = "5"
    & skf21("2","2","2","6","3","2","3","1") = "5"
    & skf21("2","2","2","6","3","2","4","1") = "5"
    & skf21("2","2","2","6","3","2","5","1") = "5"
    & skf21("2","2","2","6","3","2","6","1") = "5"
    & skf21("2","2","2","6","3","2","7","1") = "6"
    & skf21("2","2","2","6","3","3","1","1") = "5"
    & skf21("2","2","2","6","3","3","2","1") = "5"
    & skf21("2","2","2","6","3","3","3","1") = "5"
    & skf21("2","2","2","6","3","3","4","1") = "5"
    & skf21("2","2","2","6","3","3","5","1") = "5"
    & skf21("2","2","2","6","3","3","6","1") = "5"
    & skf21("2","2","2","6","3","3","7","1") = "6"
    & skf21("2","2","2","6","3","4","1","1") = "5"
    & skf21("2","2","2","6","3","4","2","1") = "5"
    & skf21("2","2","2","6","3","4","3","1") = "5"
    & skf21("2","2","2","6","3","4","4","1") = "5"
    & skf21("2","2","2","6","3","4","5","1") = "5"
    & skf21("2","2","2","6","3","4","6","1") = "5"
    & skf21("2","2","2","6","3","4","7","1") = "6"
    & skf21("2","2","2","6","3","5","1","1") = "5"
    & skf21("2","2","2","6","3","5","2","1") = "5"
    & skf21("2","2","2","6","3","5","3","1") = "5"
    & skf21("2","2","2","6","3","5","4","1") = "5"
    & skf21("2","2","2","6","3","5","5","1") = "5"
    & skf21("2","2","2","6","3","5","6","1") = "5"
    & skf21("2","2","2","6","3","5","7","1") = "6"
    & skf21("2","2","2","6","3","6","1","1") = "5"
    & skf21("2","2","2","6","3","6","2","1") = "5"
    & skf21("2","2","2","6","3","6","3","1") = "5"
    & skf21("2","2","2","6","3","6","4","1") = "5"
    & skf21("2","2","2","6","3","6","5","1") = "5"
    & skf21("2","2","2","6","3","6","6","1") = "5"
    & skf21("2","2","2","6","3","6","7","1") = "6"
    & skf21("2","2","2","6","3","7","1","1") = "6"
    & skf21("2","2","2","6","3","7","2","1") = "6"
    & skf21("2","2","2","6","3","7","3","1") = "6"
    & skf21("2","2","2","6","3","7","4","1") = "6"
    & skf21("2","2","2","6","3","7","5","1") = "6"
    & skf21("2","2","2","6","3","7","6","1") = "6"
    & skf21("2","2","2","6","3","7","7","1") = "6"
    & skf21("2","2","2","6","4","1","1","1") = "5"
    & skf21("2","2","2","6","4","1","2","1") = "5"
    & skf21("2","2","2","6","4","1","3","1") = "5"
    & skf21("2","2","2","6","4","1","4","1") = "5"
    & skf21("2","2","2","6","4","1","5","1") = "5"
    & skf21("2","2","2","6","4","1","6","1") = "5"
    & skf21("2","2","2","6","4","1","7","1") = "6"
    & skf21("2","2","2","6","4","2","1","1") = "5"
    & skf21("2","2","2","6","4","2","2","1") = "5"
    & skf21("2","2","2","6","4","2","3","1") = "5"
    & skf21("2","2","2","6","4","2","4","1") = "5"
    & skf21("2","2","2","6","4","2","5","1") = "5"
    & skf21("2","2","2","6","4","2","6","1") = "5"
    & skf21("2","2","2","6","4","2","7","1") = "6"
    & skf21("2","2","2","6","4","3","1","1") = "5"
    & skf21("2","2","2","6","4","3","2","1") = "5"
    & skf21("2","2","2","6","4","3","3","1") = "5"
    & skf21("2","2","2","6","4","3","4","1") = "5"
    & skf21("2","2","2","6","4","3","5","1") = "5"
    & skf21("2","2","2","6","4","3","6","1") = "5"
    & skf21("2","2","2","6","4","3","7","1") = "6"
    & skf21("2","2","2","6","4","4","1","1") = "5"
    & skf21("2","2","2","6","4","4","2","1") = "5"
    & skf21("2","2","2","6","4","4","3","1") = "5"
    & skf21("2","2","2","6","4","4","4","1") = "5"
    & skf21("2","2","2","6","4","4","5","1") = "5"
    & skf21("2","2","2","6","4","4","6","1") = "5"
    & skf21("2","2","2","6","4","4","7","1") = "6"
    & skf21("2","2","2","6","4","5","1","1") = "5"
    & skf21("2","2","2","6","4","5","2","1") = "5"
    & skf21("2","2","2","6","4","5","3","1") = "5"
    & skf21("2","2","2","6","4","5","4","1") = "5"
    & skf21("2","2","2","6","4","5","5","1") = "5"
    & skf21("2","2","2","6","4","5","6","1") = "5"
    & skf21("2","2","2","6","4","5","7","1") = "6"
    & skf21("2","2","2","6","4","6","1","1") = "5"
    & skf21("2","2","2","6","4","6","2","1") = "5"
    & skf21("2","2","2","6","4","6","3","1") = "5"
    & skf21("2","2","2","6","4","6","4","1") = "5"
    & skf21("2","2","2","6","4","6","5","1") = "5"
    & skf21("2","2","2","6","4","6","6","1") = "5"
    & skf21("2","2","2","6","4","6","7","1") = "6"
    & skf21("2","2","2","6","4","7","1","1") = "6"
    & skf21("2","2","2","6","4","7","2","1") = "6"
    & skf21("2","2","2","6","4","7","3","1") = "6"
    & skf21("2","2","2","6","4","7","4","1") = "6"
    & skf21("2","2","2","6","4","7","5","1") = "6"
    & skf21("2","2","2","6","4","7","6","1") = "6"
    & skf21("2","2","2","6","4","7","7","1") = "6"
    & skf21("2","2","2","6","5","1","1","1") = "5"
    & skf21("2","2","2","6","5","1","2","1") = "5"
    & skf21("2","2","2","6","5","1","3","1") = "5"
    & skf21("2","2","2","6","5","1","4","1") = "5"
    & skf21("2","2","2","6","5","1","5","1") = "5"
    & skf21("2","2","2","6","5","1","6","1") = "5"
    & skf21("2","2","2","6","5","1","7","1") = "6"
    & skf21("2","2","2","6","5","2","1","1") = "5"
    & skf21("2","2","2","6","5","2","2","1") = "5"
    & skf21("2","2","2","6","5","2","3","1") = "5"
    & skf21("2","2","2","6","5","2","4","1") = "5"
    & skf21("2","2","2","6","5","2","5","1") = "5"
    & skf21("2","2","2","6","5","2","6","1") = "5"
    & skf21("2","2","2","6","5","2","7","1") = "6"
    & skf21("2","2","2","6","5","3","1","1") = "5"
    & skf21("2","2","2","6","5","3","2","1") = "5"
    & skf21("2","2","2","6","5","3","3","1") = "5"
    & skf21("2","2","2","6","5","3","4","1") = "5"
    & skf21("2","2","2","6","5","3","5","1") = "5"
    & skf21("2","2","2","6","5","3","6","1") = "5"
    & skf21("2","2","2","6","5","3","7","1") = "6"
    & skf21("2","2","2","6","5","4","1","1") = "5"
    & skf21("2","2","2","6","5","4","2","1") = "5"
    & skf21("2","2","2","6","5","4","3","1") = "5"
    & skf21("2","2","2","6","5","4","4","1") = "5"
    & skf21("2","2","2","6","5","4","5","1") = "5"
    & skf21("2","2","2","6","5","4","6","1") = "5"
    & skf21("2","2","2","6","5","4","7","1") = "6"
    & skf21("2","2","2","6","5","5","1","1") = "5"
    & skf21("2","2","2","6","5","5","2","1") = "5"
    & skf21("2","2","2","6","5","5","3","1") = "5"
    & skf21("2","2","2","6","5","5","4","1") = "5"
    & skf21("2","2","2","6","5","5","5","1") = "5"
    & skf21("2","2","2","6","5","5","6","1") = "5"
    & skf21("2","2","2","6","5","5","7","1") = "6"
    & skf21("2","2","2","6","5","6","1","1") = "5"
    & skf21("2","2","2","6","5","6","2","1") = "5"
    & skf21("2","2","2","6","5","6","3","1") = "5"
    & skf21("2","2","2","6","5","6","4","1") = "5"
    & skf21("2","2","2","6","5","6","5","1") = "5"
    & skf21("2","2","2","6","5","6","6","1") = "5"
    & skf21("2","2","2","6","5","6","7","1") = "6"
    & skf21("2","2","2","6","5","7","1","1") = "6"
    & skf21("2","2","2","6","5","7","2","1") = "6"
    & skf21("2","2","2","6","5","7","3","1") = "6"
    & skf21("2","2","2","6","5","7","4","1") = "6"
    & skf21("2","2","2","6","5","7","5","1") = "6"
    & skf21("2","2","2","6","5","7","6","1") = "6"
    & skf21("2","2","2","6","5","7","7","1") = "6"
    & skf21("2","2","2","6","6","1","1","1") = "5"
    & skf21("2","2","2","6","6","1","2","1") = "5"
    & skf21("2","2","2","6","6","1","3","1") = "5"
    & skf21("2","2","2","6","6","1","4","1") = "5"
    & skf21("2","2","2","6","6","1","5","1") = "5"
    & skf21("2","2","2","6","6","1","6","1") = "5"
    & skf21("2","2","2","6","6","1","7","1") = "6"
    & skf21("2","2","2","6","6","2","1","1") = "5"
    & skf21("2","2","2","6","6","2","2","1") = "5"
    & skf21("2","2","2","6","6","2","3","1") = "5"
    & skf21("2","2","2","6","6","2","4","1") = "5"
    & skf21("2","2","2","6","6","2","5","1") = "5"
    & skf21("2","2","2","6","6","2","6","1") = "5"
    & skf21("2","2","2","6","6","2","7","1") = "6"
    & skf21("2","2","2","6","6","3","1","1") = "5"
    & skf21("2","2","2","6","6","3","2","1") = "5"
    & skf21("2","2","2","6","6","3","3","1") = "5"
    & skf21("2","2","2","6","6","3","4","1") = "5"
    & skf21("2","2","2","6","6","3","5","1") = "5"
    & skf21("2","2","2","6","6","3","6","1") = "5"
    & skf21("2","2","2","6","6","3","7","1") = "6"
    & skf21("2","2","2","6","6","4","1","1") = "5"
    & skf21("2","2","2","6","6","4","2","1") = "5"
    & skf21("2","2","2","6","6","4","3","1") = "5"
    & skf21("2","2","2","6","6","4","4","1") = "5"
    & skf21("2","2","2","6","6","4","5","1") = "5"
    & skf21("2","2","2","6","6","4","6","1") = "5"
    & skf21("2","2","2","6","6","4","7","1") = "6"
    & skf21("2","2","2","6","6","5","1","1") = "5"
    & skf21("2","2","2","6","6","5","2","1") = "5"
    & skf21("2","2","2","6","6","5","3","1") = "5"
    & skf21("2","2","2","6","6","5","4","1") = "5"
    & skf21("2","2","2","6","6","5","5","1") = "5"
    & skf21("2","2","2","6","6","5","6","1") = "5"
    & skf21("2","2","2","6","6","5","7","1") = "6"
    & skf21("2","2","2","6","6","6","1","1") = "5"
    & skf21("2","2","2","6","6","6","2","1") = "5"
    & skf21("2","2","2","6","6","6","3","1") = "5"
    & skf21("2","2","2","6","6","6","4","1") = "5"
    & skf21("2","2","2","6","6","6","5","1") = "5"
    & skf21("2","2","2","6","6","6","6","1") = "5"
    & skf21("2","2","2","6","6","6","7","1") = "6"
    & skf21("2","2","2","6","6","7","1","1") = "6"
    & skf21("2","2","2","6","6","7","2","1") = "6"
    & skf21("2","2","2","6","6","7","3","1") = "6"
    & skf21("2","2","2","6","6","7","4","1") = "6"
    & skf21("2","2","2","6","6","7","5","1") = "6"
    & skf21("2","2","2","6","6","7","6","1") = "6"
    & skf21("2","2","2","6","6","7","7","1") = "6"
    & skf21("2","2","2","6","7","1","1","1") = "6"
    & skf21("2","2","2","6","7","1","2","1") = "6"
    & skf21("2","2","2","6","7","1","3","1") = "6"
    & skf21("2","2","2","6","7","1","4","1") = "6"
    & skf21("2","2","2","6","7","1","5","1") = "6"
    & skf21("2","2","2","6","7","1","6","1") = "6"
    & skf21("2","2","2","6","7","1","7","1") = "6"
    & skf21("2","2","2","6","7","2","1","1") = "6"
    & skf21("2","2","2","6","7","2","2","1") = "6"
    & skf21("2","2","2","6","7","2","3","1") = "6"
    & skf21("2","2","2","6","7","2","4","1") = "6"
    & skf21("2","2","2","6","7","2","5","1") = "6"
    & skf21("2","2","2","6","7","2","6","1") = "6"
    & skf21("2","2","2","6","7","2","7","1") = "6"
    & skf21("2","2","2","6","7","3","1","1") = "6"
    & skf21("2","2","2","6","7","3","2","1") = "6"
    & skf21("2","2","2","6","7","3","3","1") = "6"
    & skf21("2","2","2","6","7","3","4","1") = "6"
    & skf21("2","2","2","6","7","3","5","1") = "6"
    & skf21("2","2","2","6","7","3","6","1") = "6"
    & skf21("2","2","2","6","7","3","7","1") = "6"
    & skf21("2","2","2","6","7","4","1","1") = "6"
    & skf21("2","2","2","6","7","4","2","1") = "6"
    & skf21("2","2","2","6","7","4","3","1") = "6"
    & skf21("2","2","2","6","7","4","4","1") = "6"
    & skf21("2","2","2","6","7","4","5","1") = "6"
    & skf21("2","2","2","6","7","4","6","1") = "6"
    & skf21("2","2","2","6","7","4","7","1") = "6"
    & skf21("2","2","2","6","7","5","1","1") = "6"
    & skf21("2","2","2","6","7","5","2","1") = "6"
    & skf21("2","2","2","6","7","5","3","1") = "6"
    & skf21("2","2","2","6","7","5","4","1") = "6"
    & skf21("2","2","2","6","7","5","5","1") = "6"
    & skf21("2","2","2","6","7","5","6","1") = "6"
    & skf21("2","2","2","6","7","5","7","1") = "6"
    & skf21("2","2","2","6","7","6","1","1") = "6"
    & skf21("2","2","2","6","7","6","2","1") = "6"
    & skf21("2","2","2","6","7","6","3","1") = "6"
    & skf21("2","2","2","6","7","6","4","1") = "6"
    & skf21("2","2","2","6","7","6","5","1") = "6"
    & skf21("2","2","2","6","7","6","6","1") = "6"
    & skf21("2","2","2","6","7","6","7","1") = "6"
    & skf21("2","2","2","6","7","7","1","1") = "6"
    & skf21("2","2","2","6","7","7","2","1") = "6"
    & skf21("2","2","2","6","7","7","3","1") = "6"
    & skf21("2","2","2","6","7","7","4","1") = "6"
    & skf21("2","2","2","6","7","7","5","1") = "6"
    & skf21("2","2","2","6","7","7","6","1") = "6"
    & skf21("2","2","2","6","7","7","7","1") = "6"
    & skf21("2","2","2","7","1","1","1","1") = "6"
    & skf21("2","2","2","7","1","1","2","1") = "6"
    & skf21("2","2","2","7","1","1","3","1") = "6"
    & skf21("2","2","2","7","1","1","4","1") = "6"
    & skf21("2","2","2","7","1","1","5","1") = "6"
    & skf21("2","2","2","7","1","1","6","1") = "6"
    & skf21("2","2","2","7","1","1","7","1") = "6"
    & skf21("2","2","2","7","1","2","1","1") = "6"
    & skf21("2","2","2","7","1","2","2","1") = "6"
    & skf21("2","2","2","7","1","2","3","1") = "6"
    & skf21("2","2","2","7","1","2","4","1") = "6"
    & skf21("2","2","2","7","1","2","5","1") = "6"
    & skf21("2","2","2","7","1","2","6","1") = "6"
    & skf21("2","2","2","7","1","2","7","1") = "6"
    & skf21("2","2","2","7","1","3","1","1") = "6"
    & skf21("2","2","2","7","1","3","2","1") = "6"
    & skf21("2","2","2","7","1","3","3","1") = "6"
    & skf21("2","2","2","7","1","3","4","1") = "6"
    & skf21("2","2","2","7","1","3","5","1") = "6"
    & skf21("2","2","2","7","1","3","6","1") = "6"
    & skf21("2","2","2","7","1","3","7","1") = "6"
    & skf21("2","2","2","7","1","4","1","1") = "6"
    & skf21("2","2","2","7","1","4","2","1") = "6"
    & skf21("2","2","2","7","1","4","3","1") = "6"
    & skf21("2","2","2","7","1","4","4","1") = "6"
    & skf21("2","2","2","7","1","4","5","1") = "6"
    & skf21("2","2","2","7","1","4","6","1") = "6"
    & skf21("2","2","2","7","1","4","7","1") = "6"
    & skf21("2","2","2","7","1","5","1","1") = "6"
    & skf21("2","2","2","7","1","5","2","1") = "6"
    & skf21("2","2","2","7","1","5","3","1") = "6"
    & skf21("2","2","2","7","1","5","4","1") = "6"
    & skf21("2","2","2","7","1","5","5","1") = "6"
    & skf21("2","2","2","7","1","5","6","1") = "6"
    & skf21("2","2","2","7","1","5","7","1") = "6"
    & skf21("2","2","2","7","1","6","1","1") = "6"
    & skf21("2","2","2","7","1","6","2","1") = "6"
    & skf21("2","2","2","7","1","6","3","1") = "6"
    & skf21("2","2","2","7","1","6","4","1") = "6"
    & skf21("2","2","2","7","1","6","5","1") = "6"
    & skf21("2","2","2","7","1","6","6","1") = "6"
    & skf21("2","2","2","7","1","6","7","1") = "6"
    & skf21("2","2","2","7","1","7","1","1") = "6"
    & skf21("2","2","2","7","1","7","2","1") = "6"
    & skf21("2","2","2","7","1","7","3","1") = "6"
    & skf21("2","2","2","7","1","7","4","1") = "6"
    & skf21("2","2","2","7","1","7","5","1") = "6"
    & skf21("2","2","2","7","1","7","6","1") = "6"
    & skf21("2","2","2","7","1","7","7","1") = "6"
    & skf21("2","2","2","7","2","1","1","1") = "6"
    & skf21("2","2","2","7","2","1","2","1") = "6"
    & skf21("2","2","2","7","2","1","3","1") = "6"
    & skf21("2","2","2","7","2","1","4","1") = "6"
    & skf21("2","2","2","7","2","1","5","1") = "6"
    & skf21("2","2","2","7","2","1","6","1") = "6"
    & skf21("2","2","2","7","2","1","7","1") = "6"
    & skf21("2","2","2","7","2","2","1","1") = "6"
    & skf21("2","2","2","7","2","2","2","1") = "6"
    & skf21("2","2","2","7","2","2","3","1") = "6"
    & skf21("2","2","2","7","2","2","4","1") = "6"
    & skf21("2","2","2","7","2","2","5","1") = "6"
    & skf21("2","2","2","7","2","2","6","1") = "6"
    & skf21("2","2","2","7","2","2","7","1") = "6"
    & skf21("2","2","2","7","2","3","1","1") = "6"
    & skf21("2","2","2","7","2","3","2","1") = "6"
    & skf21("2","2","2","7","2","3","3","1") = "6"
    & skf21("2","2","2","7","2","3","4","1") = "6"
    & skf21("2","2","2","7","2","3","5","1") = "6"
    & skf21("2","2","2","7","2","3","6","1") = "6"
    & skf21("2","2","2","7","2","3","7","1") = "6"
    & skf21("2","2","2","7","2","4","1","1") = "6"
    & skf21("2","2","2","7","2","4","2","1") = "6"
    & skf21("2","2","2","7","2","4","3","1") = "6"
    & skf21("2","2","2","7","2","4","4","1") = "6"
    & skf21("2","2","2","7","2","4","5","1") = "6"
    & skf21("2","2","2","7","2","4","6","1") = "6"
    & skf21("2","2","2","7","2","4","7","1") = "6"
    & skf21("2","2","2","7","2","5","1","1") = "6"
    & skf21("2","2","2","7","2","5","2","1") = "6"
    & skf21("2","2","2","7","2","5","3","1") = "6"
    & skf21("2","2","2","7","2","5","4","1") = "6"
    & skf21("2","2","2","7","2","5","5","1") = "6"
    & skf21("2","2","2","7","2","5","6","1") = "6"
    & skf21("2","2","2","7","2","5","7","1") = "6"
    & skf21("2","2","2","7","2","6","1","1") = "6"
    & skf21("2","2","2","7","2","6","2","1") = "6"
    & skf21("2","2","2","7","2","6","3","1") = "6"
    & skf21("2","2","2","7","2","6","4","1") = "6"
    & skf21("2","2","2","7","2","6","5","1") = "6"
    & skf21("2","2","2","7","2","6","6","1") = "6"
    & skf21("2","2","2","7","2","6","7","1") = "6"
    & skf21("2","2","2","7","2","7","1","1") = "6"
    & skf21("2","2","2","7","2","7","2","1") = "6"
    & skf21("2","2","2","7","2","7","3","1") = "6"
    & skf21("2","2","2","7","2","7","4","1") = "6"
    & skf21("2","2","2","7","2","7","5","1") = "6"
    & skf21("2","2","2","7","2","7","6","1") = "6"
    & skf21("2","2","2","7","2","7","7","1") = "6"
    & skf21("2","2","2","7","3","1","1","1") = "6"
    & skf21("2","2","2","7","3","1","2","1") = "6"
    & skf21("2","2","2","7","3","1","3","1") = "6"
    & skf21("2","2","2","7","3","1","4","1") = "6"
    & skf21("2","2","2","7","3","1","5","1") = "6"
    & skf21("2","2","2","7","3","1","6","1") = "6"
    & skf21("2","2","2","7","3","1","7","1") = "6"
    & skf21("2","2","2","7","3","2","1","1") = "6"
    & skf21("2","2","2","7","3","2","2","1") = "6"
    & skf21("2","2","2","7","3","2","3","1") = "6"
    & skf21("2","2","2","7","3","2","4","1") = "6"
    & skf21("2","2","2","7","3","2","5","1") = "6"
    & skf21("2","2","2","7","3","2","6","1") = "6"
    & skf21("2","2","2","7","3","2","7","1") = "6"
    & skf21("2","2","2","7","3","3","1","1") = "6"
    & skf21("2","2","2","7","3","3","2","1") = "6"
    & skf21("2","2","2","7","3","3","3","1") = "6"
    & skf21("2","2","2","7","3","3","4","1") = "6"
    & skf21("2","2","2","7","3","3","5","1") = "6"
    & skf21("2","2","2","7","3","3","6","1") = "6"
    & skf21("2","2","2","7","3","3","7","1") = "6"
    & skf21("2","2","2","7","3","4","1","1") = "6"
    & skf21("2","2","2","7","3","4","2","1") = "6"
    & skf21("2","2","2","7","3","4","3","1") = "6"
    & skf21("2","2","2","7","3","4","4","1") = "6"
    & skf21("2","2","2","7","3","4","5","1") = "6"
    & skf21("2","2","2","7","3","4","6","1") = "6"
    & skf21("2","2","2","7","3","4","7","1") = "6"
    & skf21("2","2","2","7","3","5","1","1") = "6"
    & skf21("2","2","2","7","3","5","2","1") = "6"
    & skf21("2","2","2","7","3","5","3","1") = "6"
    & skf21("2","2","2","7","3","5","4","1") = "6"
    & skf21("2","2","2","7","3","5","5","1") = "6"
    & skf21("2","2","2","7","3","5","6","1") = "6"
    & skf21("2","2","2","7","3","5","7","1") = "6"
    & skf21("2","2","2","7","3","6","1","1") = "6"
    & skf21("2","2","2","7","3","6","2","1") = "6"
    & skf21("2","2","2","7","3","6","3","1") = "6"
    & skf21("2","2","2","7","3","6","4","1") = "6"
    & skf21("2","2","2","7","3","6","5","1") = "6"
    & skf21("2","2","2","7","3","6","6","1") = "6"
    & skf21("2","2","2","7","3","6","7","1") = "6"
    & skf21("2","2","2","7","3","7","1","1") = "6"
    & skf21("2","2","2","7","3","7","2","1") = "6"
    & skf21("2","2","2","7","3","7","3","1") = "6"
    & skf21("2","2","2","7","3","7","4","1") = "6"
    & skf21("2","2","2","7","3","7","5","1") = "6"
    & skf21("2","2","2","7","3","7","6","1") = "6"
    & skf21("2","2","2","7","3","7","7","1") = "6"
    & skf21("2","2","2","7","4","1","1","1") = "6"
    & skf21("2","2","2","7","4","1","2","1") = "6"
    & skf21("2","2","2","7","4","1","3","1") = "6"
    & skf21("2","2","2","7","4","1","4","1") = "6"
    & skf21("2","2","2","7","4","1","5","1") = "6"
    & skf21("2","2","2","7","4","1","6","1") = "6"
    & skf21("2","2","2","7","4","1","7","1") = "6"
    & skf21("2","2","2","7","4","2","1","1") = "6"
    & skf21("2","2","2","7","4","2","2","1") = "6"
    & skf21("2","2","2","7","4","2","3","1") = "6"
    & skf21("2","2","2","7","4","2","4","1") = "6"
    & skf21("2","2","2","7","4","2","5","1") = "6"
    & skf21("2","2","2","7","4","2","6","1") = "6"
    & skf21("2","2","2","7","4","2","7","1") = "6"
    & skf21("2","2","2","7","4","3","1","1") = "6"
    & skf21("2","2","2","7","4","3","2","1") = "6"
    & skf21("2","2","2","7","4","3","3","1") = "6"
    & skf21("2","2","2","7","4","3","4","1") = "6"
    & skf21("2","2","2","7","4","3","5","1") = "6"
    & skf21("2","2","2","7","4","3","6","1") = "6"
    & skf21("2","2","2","7","4","3","7","1") = "6"
    & skf21("2","2","2","7","4","4","1","1") = "6"
    & skf21("2","2","2","7","4","4","2","1") = "6"
    & skf21("2","2","2","7","4","4","3","1") = "6"
    & skf21("2","2","2","7","4","4","4","1") = "6"
    & skf21("2","2","2","7","4","4","5","1") = "6"
    & skf21("2","2","2","7","4","4","6","1") = "6"
    & skf21("2","2","2","7","4","4","7","1") = "6"
    & skf21("2","2","2","7","4","5","1","1") = "6"
    & skf21("2","2","2","7","4","5","2","1") = "6"
    & skf21("2","2","2","7","4","5","3","1") = "6"
    & skf21("2","2","2","7","4","5","4","1") = "6"
    & skf21("2","2","2","7","4","5","5","1") = "6"
    & skf21("2","2","2","7","4","5","6","1") = "6"
    & skf21("2","2","2","7","4","5","7","1") = "6"
    & skf21("2","2","2","7","4","6","1","1") = "6"
    & skf21("2","2","2","7","4","6","2","1") = "6"
    & skf21("2","2","2","7","4","6","3","1") = "6"
    & skf21("2","2","2","7","4","6","4","1") = "6"
    & skf21("2","2","2","7","4","6","5","1") = "6"
    & skf21("2","2","2","7","4","6","6","1") = "6"
    & skf21("2","2","2","7","4","6","7","1") = "6"
    & skf21("2","2","2","7","4","7","1","1") = "6"
    & skf21("2","2","2","7","4","7","2","1") = "6"
    & skf21("2","2","2","7","4","7","3","1") = "6"
    & skf21("2","2","2","7","4","7","4","1") = "6"
    & skf21("2","2","2","7","4","7","5","1") = "6"
    & skf21("2","2","2","7","4","7","6","1") = "6"
    & skf21("2","2","2","7","4","7","7","1") = "6"
    & skf21("2","2","2","7","5","1","1","1") = "6"
    & skf21("2","2","2","7","5","1","2","1") = "6"
    & skf21("2","2","2","7","5","1","3","1") = "6"
    & skf21("2","2","2","7","5","1","4","1") = "6"
    & skf21("2","2","2","7","5","1","5","1") = "6"
    & skf21("2","2","2","7","5","1","6","1") = "6"
    & skf21("2","2","2","7","5","1","7","1") = "6"
    & skf21("2","2","2","7","5","2","1","1") = "6"
    & skf21("2","2","2","7","5","2","2","1") = "6"
    & skf21("2","2","2","7","5","2","3","1") = "6"
    & skf21("2","2","2","7","5","2","4","1") = "6"
    & skf21("2","2","2","7","5","2","5","1") = "6"
    & skf21("2","2","2","7","5","2","6","1") = "6"
    & skf21("2","2","2","7","5","2","7","1") = "6"
    & skf21("2","2","2","7","5","3","1","1") = "6"
    & skf21("2","2","2","7","5","3","2","1") = "6"
    & skf21("2","2","2","7","5","3","3","1") = "6"
    & skf21("2","2","2","7","5","3","4","1") = "6"
    & skf21("2","2","2","7","5","3","5","1") = "6"
    & skf21("2","2","2","7","5","3","6","1") = "6"
    & skf21("2","2","2","7","5","3","7","1") = "6"
    & skf21("2","2","2","7","5","4","1","1") = "6"
    & skf21("2","2","2","7","5","4","2","1") = "6"
    & skf21("2","2","2","7","5","4","3","1") = "6"
    & skf21("2","2","2","7","5","4","4","1") = "6"
    & skf21("2","2","2","7","5","4","5","1") = "6"
    & skf21("2","2","2","7","5","4","6","1") = "6"
    & skf21("2","2","2","7","5","4","7","1") = "6"
    & skf21("2","2","2","7","5","5","1","1") = "6"
    & skf21("2","2","2","7","5","5","2","1") = "6"
    & skf21("2","2","2","7","5","5","3","1") = "6"
    & skf21("2","2","2","7","5","5","4","1") = "6"
    & skf21("2","2","2","7","5","5","5","1") = "6"
    & skf21("2","2","2","7","5","5","6","1") = "6"
    & skf21("2","2","2","7","5","5","7","1") = "6"
    & skf21("2","2","2","7","5","6","1","1") = "6"
    & skf21("2","2","2","7","5","6","2","1") = "6"
    & skf21("2","2","2","7","5","6","3","1") = "6"
    & skf21("2","2","2","7","5","6","4","1") = "6"
    & skf21("2","2","2","7","5","6","5","1") = "6"
    & skf21("2","2","2","7","5","6","6","1") = "6"
    & skf21("2","2","2","7","5","6","7","1") = "6"
    & skf21("2","2","2","7","5","7","1","1") = "6"
    & skf21("2","2","2","7","5","7","2","1") = "6"
    & skf21("2","2","2","7","5","7","3","1") = "6"
    & skf21("2","2","2","7","5","7","4","1") = "6"
    & skf21("2","2","2","7","5","7","5","1") = "6"
    & skf21("2","2","2","7","5","7","6","1") = "6"
    & skf21("2","2","2","7","5","7","7","1") = "6"
    & skf21("2","2","2","7","6","1","1","1") = "6"
    & skf21("2","2","2","7","6","1","2","1") = "6"
    & skf21("2","2","2","7","6","1","3","1") = "6"
    & skf21("2","2","2","7","6","1","4","1") = "6"
    & skf21("2","2","2","7","6","1","5","1") = "6"
    & skf21("2","2","2","7","6","1","6","1") = "6"
    & skf21("2","2","2","7","6","1","7","1") = "6"
    & skf21("2","2","2","7","6","2","1","1") = "6"
    & skf21("2","2","2","7","6","2","2","1") = "6"
    & skf21("2","2","2","7","6","2","3","1") = "6"
    & skf21("2","2","2","7","6","2","4","1") = "6"
    & skf21("2","2","2","7","6","2","5","1") = "6"
    & skf21("2","2","2","7","6","2","6","1") = "6"
    & skf21("2","2","2","7","6","2","7","1") = "6"
    & skf21("2","2","2","7","6","3","1","1") = "6"
    & skf21("2","2","2","7","6","3","2","1") = "6"
    & skf21("2","2","2","7","6","3","3","1") = "6"
    & skf21("2","2","2","7","6","3","4","1") = "6"
    & skf21("2","2","2","7","6","3","5","1") = "6"
    & skf21("2","2","2","7","6","3","6","1") = "6"
    & skf21("2","2","2","7","6","3","7","1") = "6"
    & skf21("2","2","2","7","6","4","1","1") = "6"
    & skf21("2","2","2","7","6","4","2","1") = "6"
    & skf21("2","2","2","7","6","4","3","1") = "6"
    & skf21("2","2","2","7","6","4","4","1") = "6"
    & skf21("2","2","2","7","6","4","5","1") = "6"
    & skf21("2","2","2","7","6","4","6","1") = "6"
    & skf21("2","2","2","7","6","4","7","1") = "6"
    & skf21("2","2","2","7","6","5","1","1") = "6"
    & skf21("2","2","2","7","6","5","2","1") = "6"
    & skf21("2","2","2","7","6","5","3","1") = "6"
    & skf21("2","2","2","7","6","5","4","1") = "6"
    & skf21("2","2","2","7","6","5","5","1") = "6"
    & skf21("2","2","2","7","6","5","6","1") = "6"
    & skf21("2","2","2","7","6","5","7","1") = "6"
    & skf21("2","2","2","7","6","6","1","1") = "6"
    & skf21("2","2","2","7","6","6","2","1") = "6"
    & skf21("2","2","2","7","6","6","3","1") = "6"
    & skf21("2","2","2","7","6","6","4","1") = "6"
    & skf21("2","2","2","7","6","6","5","1") = "6"
    & skf21("2","2","2","7","6","6","6","1") = "6"
    & skf21("2","2","2","7","6","6","7","1") = "6"
    & skf21("2","2","2","7","6","7","1","1") = "6"
    & skf21("2","2","2","7","6","7","2","1") = "6"
    & skf21("2","2","2","7","6","7","3","1") = "6"
    & skf21("2","2","2","7","6","7","4","1") = "6"
    & skf21("2","2","2","7","6","7","5","1") = "6"
    & skf21("2","2","2","7","6","7","6","1") = "6"
    & skf21("2","2","2","7","6","7","7","1") = "6"
    & skf21("2","2","2","7","7","1","1","1") = "6"
    & skf21("2","2","2","7","7","1","2","1") = "6"
    & skf21("2","2","2","7","7","1","3","1") = "6"
    & skf21("2","2","2","7","7","1","4","1") = "6"
    & skf21("2","2","2","7","7","1","5","1") = "6"
    & skf21("2","2","2","7","7","1","6","1") = "6"
    & skf21("2","2","2","7","7","1","7","1") = "6"
    & skf21("2","2","2","7","7","2","1","1") = "6"
    & skf21("2","2","2","7","7","2","2","1") = "6"
    & skf21("2","2","2","7","7","2","3","1") = "6"
    & skf21("2","2","2","7","7","2","4","1") = "6"
    & skf21("2","2","2","7","7","2","5","1") = "6"
    & skf21("2","2","2","7","7","2","6","1") = "6"
    & skf21("2","2","2","7","7","2","7","1") = "6"
    & skf21("2","2","2","7","7","3","1","1") = "6"
    & skf21("2","2","2","7","7","3","2","1") = "6"
    & skf21("2","2","2","7","7","3","3","1") = "6"
    & skf21("2","2","2","7","7","3","4","1") = "6"
    & skf21("2","2","2","7","7","3","5","1") = "6"
    & skf21("2","2","2","7","7","3","6","1") = "6"
    & skf21("2","2","2","7","7","3","7","1") = "6"
    & skf21("2","2","2","7","7","4","1","1") = "6"
    & skf21("2","2","2","7","7","4","2","1") = "6"
    & skf21("2","2","2","7","7","4","3","1") = "6"
    & skf21("2","2","2","7","7","4","4","1") = "6"
    & skf21("2","2","2","7","7","4","5","1") = "6"
    & skf21("2","2","2","7","7","4","6","1") = "6"
    & skf21("2","2","2","7","7","4","7","1") = "6"
    & skf21("2","2","2","7","7","5","1","1") = "6"
    & skf21("2","2","2","7","7","5","2","1") = "6"
    & skf21("2","2","2","7","7","5","3","1") = "6"
    & skf21("2","2","2","7","7","5","4","1") = "6"
    & skf21("2","2","2","7","7","5","5","1") = "6"
    & skf21("2","2","2","7","7","5","6","1") = "6"
    & skf21("2","2","2","7","7","5","7","1") = "6"
    & skf21("2","2","2","7","7","6","1","1") = "6"
    & skf21("2","2","2","7","7","6","2","1") = "6"
    & skf21("2","2","2","7","7","6","3","1") = "6"
    & skf21("2","2","2","7","7","6","4","1") = "6"
    & skf21("2","2","2","7","7","6","5","1") = "6"
    & skf21("2","2","2","7","7","6","6","1") = "6"
    & skf21("2","2","2","7","7","6","7","1") = "6"
    & skf21("2","2","2","7","7","7","1","1") = "6"
    & skf21("2","2","2","7","7","7","2","1") = "6"
    & skf21("2","2","2","7","7","7","3","1") = "6"
    & skf21("2","2","2","7","7","7","4","1") = "6"
    & skf21("2","2","2","7","7","7","5","1") = "6"
    & skf21("2","2","2","7","7","7","6","1") = "6"
    & skf21("2","2","2","7","7","7","7","1") = "6"
    & skf21("2","2","3","1","1","1","1","1") = "2"
    & skf21("2","2","3","1","1","1","2","1") = "2"
    & skf21("2","2","3","1","1","1","3","1") = "2"
    & skf21("2","2","3","1","1","1","4","1") = "3"
    & skf21("2","2","3","1","1","1","5","1") = "4"
    & skf21("2","2","3","1","1","1","6","1") = "5"
    & skf21("2","2","3","1","1","1","7","1") = "6"
    & skf21("2","2","3","1","1","2","1","1") = "2"
    & skf21("2","2","3","1","1","2","2","1") = "2"
    & skf21("2","2","3","1","1","2","3","1") = "2"
    & skf21("2","2","3","1","1","2","4","1") = "3"
    & skf21("2","2","3","1","1","2","5","1") = "4"
    & skf21("2","2","3","1","1","2","6","1") = "5"
    & skf21("2","2","3","1","1","2","7","1") = "6"
    & skf21("2","2","3","1","1","3","1","1") = "2"
    & skf21("2","2","3","1","1","3","2","1") = "2"
    & skf21("2","2","3","1","1","3","3","1") = "2"
    & skf21("2","2","3","1","1","3","4","1") = "3"
    & skf21("2","2","3","1","1","3","5","1") = "4"
    & skf21("2","2","3","1","1","3","6","1") = "5"
    & skf21("2","2","3","1","1","3","7","1") = "6"
    & skf21("2","2","3","1","1","4","1","1") = "3"
    & skf21("2","2","3","1","1","4","2","1") = "3"
    & skf21("2","2","3","1","1","4","3","1") = "3"
    & skf21("2","2","3","1","1","4","4","1") = "3"
    & skf21("2","2","3","1","1","4","5","1") = "4"
    & skf21("2","2","3","1","1","4","6","1") = "5"
    & skf21("2","2","3","1","1","4","7","1") = "6"
    & skf21("2","2","3","1","1","5","1","1") = "4"
    & skf21("2","2","3","1","1","5","2","1") = "4"
    & skf21("2","2","3","1","1","5","3","1") = "4"
    & skf21("2","2","3","1","1","5","4","1") = "4"
    & skf21("2","2","3","1","1","5","5","1") = "4"
    & skf21("2","2","3","1","1","5","6","1") = "5"
    & skf21("2","2","3","1","1","5","7","1") = "6"
    & skf21("2","2","3","1","1","6","1","1") = "5"
    & skf21("2","2","3","1","1","6","2","1") = "5"
    & skf21("2","2","3","1","1","6","3","1") = "5"
    & skf21("2","2","3","1","1","6","4","1") = "5"
    & skf21("2","2","3","1","1","6","5","1") = "5"
    & skf21("2","2","3","1","1","6","6","1") = "5"
    & skf21("2","2","3","1","1","6","7","1") = "6"
    & skf21("2","2","3","1","1","7","1","1") = "6"
    & skf21("2","2","3","1","1","7","2","1") = "6"
    & skf21("2","2","3","1","1","7","3","1") = "6"
    & skf21("2","2","3","1","1","7","4","1") = "6"
    & skf21("2","2","3","1","1","7","5","1") = "6"
    & skf21("2","2","3","1","1","7","6","1") = "6"
    & skf21("2","2","3","1","1","7","7","1") = "6"
    & skf21("2","2","3","1","2","1","1","1") = "2"
    & skf21("2","2","3","1","2","1","2","1") = "2"
    & skf21("2","2","3","1","2","1","3","1") = "2"
    & skf21("2","2","3","1","2","1","4","1") = "3"
    & skf21("2","2","3","1","2","1","5","1") = "4"
    & skf21("2","2","3","1","2","1","6","1") = "5"
    & skf21("2","2","3","1","2","1","7","1") = "6"
    & skf21("2","2","3","1","2","2","1","1") = "2"
    & skf21("2","2","3","1","2","2","2","1") = "2"
    & skf21("2","2","3","1","2","2","3","1") = "2"
    & skf21("2","2","3","1","2","2","4","1") = "3"
    & skf21("2","2","3","1","2","2","5","1") = "4"
    & skf21("2","2","3","1","2","2","6","1") = "5"
    & skf21("2","2","3","1","2","2","7","1") = "6"
    & skf21("2","2","3","1","2","3","1","1") = "2"
    & skf21("2","2","3","1","2","3","2","1") = "2"
    & skf21("2","2","3","1","2","3","3","1") = "2"
    & skf21("2","2","3","1","2","3","4","1") = "3"
    & skf21("2","2","3","1","2","3","5","1") = "4"
    & skf21("2","2","3","1","2","3","6","1") = "5"
    & skf21("2","2","3","1","2","3","7","1") = "6"
    & skf21("2","2","3","1","2","4","1","1") = "3"
    & skf21("2","2","3","1","2","4","2","1") = "3"
    & skf21("2","2","3","1","2","4","3","1") = "3"
    & skf21("2","2","3","1","2","4","4","1") = "3"
    & skf21("2","2","3","1","2","4","5","1") = "4"
    & skf21("2","2","3","1","2","4","6","1") = "5"
    & skf21("2","2","3","1","2","4","7","1") = "6"
    & skf21("2","2","3","1","2","5","1","1") = "4"
    & skf21("2","2","3","1","2","5","2","1") = "4"
    & skf21("2","2","3","1","2","5","3","1") = "4"
    & skf21("2","2","3","1","2","5","4","1") = "4"
    & skf21("2","2","3","1","2","5","5","1") = "4"
    & skf21("2","2","3","1","2","5","6","1") = "5"
    & skf21("2","2","3","1","2","5","7","1") = "6"
    & skf21("2","2","3","1","2","6","1","1") = "5"
    & skf21("2","2","3","1","2","6","2","1") = "5"
    & skf21("2","2","3","1","2","6","3","1") = "5"
    & skf21("2","2","3","1","2","6","4","1") = "5"
    & skf21("2","2","3","1","2","6","5","1") = "5"
    & skf21("2","2","3","1","2","6","6","1") = "5"
    & skf21("2","2","3","1","2","6","7","1") = "6"
    & skf21("2","2","3","1","2","7","1","1") = "6"
    & skf21("2","2","3","1","2","7","2","1") = "6"
    & skf21("2","2","3","1","2","7","3","1") = "6"
    & skf21("2","2","3","1","2","7","4","1") = "6"
    & skf21("2","2","3","1","2","7","5","1") = "6"
    & skf21("2","2","3","1","2","7","6","1") = "6"
    & skf21("2","2","3","1","2","7","7","1") = "6"
    & skf21("2","2","3","1","3","1","1","1") = "2"
    & skf21("2","2","3","1","3","1","2","1") = "2"
    & skf21("2","2","3","1","3","1","3","1") = "2"
    & skf21("2","2","3","1","3","1","4","1") = "3"
    & skf21("2","2","3","1","3","1","5","1") = "4"
    & skf21("2","2","3","1","3","1","6","1") = "5"
    & skf21("2","2","3","1","3","1","7","1") = "6"
    & skf21("2","2","3","1","3","2","1","1") = "2"
    & skf21("2","2","3","1","3","2","2","1") = "2"
    & skf21("2","2","3","1","3","2","3","1") = "2"
    & skf21("2","2","3","1","3","2","4","1") = "3"
    & skf21("2","2","3","1","3","2","5","1") = "4"
    & skf21("2","2","3","1","3","2","6","1") = "5"
    & skf21("2","2","3","1","3","2","7","1") = "6"
    & skf21("2","2","3","1","3","3","1","1") = "2"
    & skf21("2","2","3","1","3","3","2","1") = "2"
    & skf21("2","2","3","1","3","3","3","1") = "2"
    & skf21("2","2","3","1","3","3","4","1") = "3"
    & skf21("2","2","3","1","3","3","5","1") = "4"
    & skf21("2","2","3","1","3","3","6","1") = "5"
    & skf21("2","2","3","1","3","3","7","1") = "6"
    & skf21("2","2","3","1","3","4","1","1") = "3"
    & skf21("2","2","3","1","3","4","2","1") = "3"
    & skf21("2","2","3","1","3","4","3","1") = "3"
    & skf21("2","2","3","1","3","4","4","1") = "3"
    & skf21("2","2","3","1","3","4","5","1") = "4"
    & skf21("2","2","3","1","3","4","6","1") = "5"
    & skf21("2","2","3","1","3","4","7","1") = "6"
    & skf21("2","2","3","1","3","5","1","1") = "4"
    & skf21("2","2","3","1","3","5","2","1") = "4"
    & skf21("2","2","3","1","3","5","3","1") = "4"
    & skf21("2","2","3","1","3","5","4","1") = "4"
    & skf21("2","2","3","1","3","5","5","1") = "4"
    & skf21("2","2","3","1","3","5","6","1") = "5"
    & skf21("2","2","3","1","3","5","7","1") = "6"
    & skf21("2","2","3","1","3","6","1","1") = "5"
    & skf21("2","2","3","1","3","6","2","1") = "5"
    & skf21("2","2","3","1","3","6","3","1") = "5"
    & skf21("2","2","3","1","3","6","4","1") = "5"
    & skf21("2","2","3","1","3","6","5","1") = "5"
    & skf21("2","2","3","1","3","6","6","1") = "5"
    & skf21("2","2","3","1","3","6","7","1") = "6"
    & skf21("2","2","3","1","3","7","1","1") = "6"
    & skf21("2","2","3","1","3","7","2","1") = "6"
    & skf21("2","2","3","1","3","7","3","1") = "6"
    & skf21("2","2","3","1","3","7","4","1") = "6"
    & skf21("2","2","3","1","3","7","5","1") = "6"
    & skf21("2","2","3","1","3","7","6","1") = "6"
    & skf21("2","2","3","1","3","7","7","1") = "6"
    & skf21("2","2","3","1","4","1","1","1") = "3"
    & skf21("2","2","3","1","4","1","2","1") = "3"
    & skf21("2","2","3","1","4","1","3","1") = "3"
    & skf21("2","2","3","1","4","1","4","1") = "3"
    & skf21("2","2","3","1","4","1","5","1") = "4"
    & skf21("2","2","3","1","4","1","6","1") = "5"
    & skf21("2","2","3","1","4","1","7","1") = "6"
    & skf21("2","2","3","1","4","2","1","1") = "3"
    & skf21("2","2","3","1","4","2","2","1") = "3"
    & skf21("2","2","3","1","4","2","3","1") = "3"
    & skf21("2","2","3","1","4","2","4","1") = "3"
    & skf21("2","2","3","1","4","2","5","1") = "4"
    & skf21("2","2","3","1","4","2","6","1") = "5"
    & skf21("2","2","3","1","4","2","7","1") = "6"
    & skf21("2","2","3","1","4","3","1","1") = "3"
    & skf21("2","2","3","1","4","3","2","1") = "3"
    & skf21("2","2","3","1","4","3","3","1") = "3"
    & skf21("2","2","3","1","4","3","4","1") = "3"
    & skf21("2","2","3","1","4","3","5","1") = "4"
    & skf21("2","2","3","1","4","3","6","1") = "5"
    & skf21("2","2","3","1","4","3","7","1") = "6"
    & skf21("2","2","3","1","4","4","1","1") = "3"
    & skf21("2","2","3","1","4","4","2","1") = "3"
    & skf21("2","2","3","1","4","4","3","1") = "3"
    & skf21("2","2","3","1","4","4","4","1") = "3"
    & skf21("2","2","3","1","4","4","5","1") = "4"
    & skf21("2","2","3","1","4","4","6","1") = "5"
    & skf21("2","2","3","1","4","4","7","1") = "6"
    & skf21("2","2","3","1","4","5","1","1") = "4"
    & skf21("2","2","3","1","4","5","2","1") = "4"
    & skf21("2","2","3","1","4","5","3","1") = "4"
    & skf21("2","2","3","1","4","5","4","1") = "4"
    & skf21("2","2","3","1","4","5","5","1") = "4"
    & skf21("2","2","3","1","4","5","6","1") = "5"
    & skf21("2","2","3","1","4","5","7","1") = "6"
    & skf21("2","2","3","1","4","6","1","1") = "5"
    & skf21("2","2","3","1","4","6","2","1") = "5"
    & skf21("2","2","3","1","4","6","3","1") = "5"
    & skf21("2","2","3","1","4","6","4","1") = "5"
    & skf21("2","2","3","1","4","6","5","1") = "5"
    & skf21("2","2","3","1","4","6","6","1") = "5"
    & skf21("2","2","3","1","4","6","7","1") = "6"
    & skf21("2","2","3","1","4","7","1","1") = "6"
    & skf21("2","2","3","1","4","7","2","1") = "6"
    & skf21("2","2","3","1","4","7","3","1") = "6"
    & skf21("2","2","3","1","4","7","4","1") = "6"
    & skf21("2","2","3","1","4","7","5","1") = "6"
    & skf21("2","2","3","1","4","7","6","1") = "6"
    & skf21("2","2","3","1","4","7","7","1") = "6"
    & skf21("2","2","3","1","5","1","1","1") = "4"
    & skf21("2","2","3","1","5","1","2","1") = "4"
    & skf21("2","2","3","1","5","1","3","1") = "4"
    & skf21("2","2","3","1","5","1","4","1") = "4"
    & skf21("2","2","3","1","5","1","5","1") = "4"
    & skf21("2","2","3","1","5","1","6","1") = "5"
    & skf21("2","2","3","1","5","1","7","1") = "6"
    & skf21("2","2","3","1","5","2","1","1") = "4"
    & skf21("2","2","3","1","5","2","2","1") = "4"
    & skf21("2","2","3","1","5","2","3","1") = "4"
    & skf21("2","2","3","1","5","2","4","1") = "4"
    & skf21("2","2","3","1","5","2","5","1") = "4"
    & skf21("2","2","3","1","5","2","6","1") = "5"
    & skf21("2","2","3","1","5","2","7","1") = "6"
    & skf21("2","2","3","1","5","3","1","1") = "4"
    & skf21("2","2","3","1","5","3","2","1") = "4"
    & skf21("2","2","3","1","5","3","3","1") = "4"
    & skf21("2","2","3","1","5","3","4","1") = "4"
    & skf21("2","2","3","1","5","3","5","1") = "4"
    & skf21("2","2","3","1","5","3","6","1") = "5"
    & skf21("2","2","3","1","5","3","7","1") = "6"
    & skf21("2","2","3","1","5","4","1","1") = "4"
    & skf21("2","2","3","1","5","4","2","1") = "4"
    & skf21("2","2","3","1","5","4","3","1") = "4"
    & skf21("2","2","3","1","5","4","4","1") = "4"
    & skf21("2","2","3","1","5","4","5","1") = "4"
    & skf21("2","2","3","1","5","4","6","1") = "5"
    & skf21("2","2","3","1","5","4","7","1") = "6"
    & skf21("2","2","3","1","5","5","1","1") = "4"
    & skf21("2","2","3","1","5","5","2","1") = "4"
    & skf21("2","2","3","1","5","5","3","1") = "4"
    & skf21("2","2","3","1","5","5","4","1") = "4"
    & skf21("2","2","3","1","5","5","5","1") = "4"
    & skf21("2","2","3","1","5","5","6","1") = "5"
    & skf21("2","2","3","1","5","5","7","1") = "6"
    & skf21("2","2","3","1","5","6","1","1") = "5"
    & skf21("2","2","3","1","5","6","2","1") = "5"
    & skf21("2","2","3","1","5","6","3","1") = "5"
    & skf21("2","2","3","1","5","6","4","1") = "5"
    & skf21("2","2","3","1","5","6","5","1") = "5"
    & skf21("2","2","3","1","5","6","6","1") = "5"
    & skf21("2","2","3","1","5","6","7","1") = "6"
    & skf21("2","2","3","1","5","7","1","1") = "6"
    & skf21("2","2","3","1","5","7","2","1") = "6"
    & skf21("2","2","3","1","5","7","3","1") = "6"
    & skf21("2","2","3","1","5","7","4","1") = "6"
    & skf21("2","2","3","1","5","7","5","1") = "6"
    & skf21("2","2","3","1","5","7","6","1") = "6"
    & skf21("2","2","3","1","5","7","7","1") = "6"
    & skf21("2","2","3","1","6","1","1","1") = "5"
    & skf21("2","2","3","1","6","1","2","1") = "5"
    & skf21("2","2","3","1","6","1","3","1") = "5"
    & skf21("2","2","3","1","6","1","4","1") = "5"
    & skf21("2","2","3","1","6","1","5","1") = "5"
    & skf21("2","2","3","1","6","1","6","1") = "5"
    & skf21("2","2","3","1","6","1","7","1") = "6"
    & skf21("2","2","3","1","6","2","1","1") = "5"
    & skf21("2","2","3","1","6","2","2","1") = "5"
    & skf21("2","2","3","1","6","2","3","1") = "5"
    & skf21("2","2","3","1","6","2","4","1") = "5"
    & skf21("2","2","3","1","6","2","5","1") = "5"
    & skf21("2","2","3","1","6","2","6","1") = "5"
    & skf21("2","2","3","1","6","2","7","1") = "6"
    & skf21("2","2","3","1","6","3","1","1") = "5"
    & skf21("2","2","3","1","6","3","2","1") = "5"
    & skf21("2","2","3","1","6","3","3","1") = "5"
    & skf21("2","2","3","1","6","3","4","1") = "5"
    & skf21("2","2","3","1","6","3","5","1") = "5"
    & skf21("2","2","3","1","6","3","6","1") = "5"
    & skf21("2","2","3","1","6","3","7","1") = "6"
    & skf21("2","2","3","1","6","4","1","1") = "5"
    & skf21("2","2","3","1","6","4","2","1") = "5"
    & skf21("2","2","3","1","6","4","3","1") = "5"
    & skf21("2","2","3","1","6","4","4","1") = "5"
    & skf21("2","2","3","1","6","4","5","1") = "5"
    & skf21("2","2","3","1","6","4","6","1") = "5"
    & skf21("2","2","3","1","6","4","7","1") = "6"
    & skf21("2","2","3","1","6","5","1","1") = "5"
    & skf21("2","2","3","1","6","5","2","1") = "5"
    & skf21("2","2","3","1","6","5","3","1") = "5"
    & skf21("2","2","3","1","6","5","4","1") = "5"
    & skf21("2","2","3","1","6","5","5","1") = "5"
    & skf21("2","2","3","1","6","5","6","1") = "5"
    & skf21("2","2","3","1","6","5","7","1") = "6"
    & skf21("2","2","3","1","6","6","1","1") = "5"
    & skf21("2","2","3","1","6","6","2","1") = "5"
    & skf21("2","2","3","1","6","6","3","1") = "5"
    & skf21("2","2","3","1","6","6","4","1") = "5"
    & skf21("2","2","3","1","6","6","5","1") = "5"
    & skf21("2","2","3","1","6","6","6","1") = "5"
    & skf21("2","2","3","1","6","6","7","1") = "6"
    & skf21("2","2","3","1","6","7","1","1") = "6"
    & skf21("2","2","3","1","6","7","2","1") = "6"
    & skf21("2","2","3","1","6","7","3","1") = "6"
    & skf21("2","2","3","1","6","7","4","1") = "6"
    & skf21("2","2","3","1","6","7","5","1") = "6"
    & skf21("2","2","3","1","6","7","6","1") = "6"
    & skf21("2","2","3","1","6","7","7","1") = "6"
    & skf21("2","2","3","1","7","1","1","1") = "6"
    & skf21("2","2","3","1","7","1","2","1") = "6"
    & skf21("2","2","3","1","7","1","3","1") = "6"
    & skf21("2","2","3","1","7","1","4","1") = "6"
    & skf21("2","2","3","1","7","1","5","1") = "6"
    & skf21("2","2","3","1","7","1","6","1") = "6"
    & skf21("2","2","3","1","7","1","7","1") = "6"
    & skf21("2","2","3","1","7","2","1","1") = "6"
    & skf21("2","2","3","1","7","2","2","1") = "6"
    & skf21("2","2","3","1","7","2","3","1") = "6"
    & skf21("2","2","3","1","7","2","4","1") = "6"
    & skf21("2","2","3","1","7","2","5","1") = "6"
    & skf21("2","2","3","1","7","2","6","1") = "6"
    & skf21("2","2","3","1","7","2","7","1") = "6"
    & skf21("2","2","3","1","7","3","1","1") = "6"
    & skf21("2","2","3","1","7","3","2","1") = "6"
    & skf21("2","2","3","1","7","3","3","1") = "6"
    & skf21("2","2","3","1","7","3","4","1") = "6"
    & skf21("2","2","3","1","7","3","5","1") = "6"
    & skf21("2","2","3","1","7","3","6","1") = "6"
    & skf21("2","2","3","1","7","3","7","1") = "6"
    & skf21("2","2","3","1","7","4","1","1") = "6"
    & skf21("2","2","3","1","7","4","2","1") = "6"
    & skf21("2","2","3","1","7","4","3","1") = "6"
    & skf21("2","2","3","1","7","4","4","1") = "6"
    & skf21("2","2","3","1","7","4","5","1") = "6"
    & skf21("2","2","3","1","7","4","6","1") = "6"
    & skf21("2","2","3","1","7","4","7","1") = "6"
    & skf21("2","2","3","1","7","5","1","1") = "6"
    & skf21("2","2","3","1","7","5","2","1") = "6"
    & skf21("2","2","3","1","7","5","3","1") = "6"
    & skf21("2","2","3","1","7","5","4","1") = "6"
    & skf21("2","2","3","1","7","5","5","1") = "6"
    & skf21("2","2","3","1","7","5","6","1") = "6"
    & skf21("2","2","3","1","7","5","7","1") = "6"
    & skf21("2","2","3","1","7","6","1","1") = "6"
    & skf21("2","2","3","1","7","6","2","1") = "6"
    & skf21("2","2","3","1","7","6","3","1") = "6"
    & skf21("2","2","3","1","7","6","4","1") = "6"
    & skf21("2","2","3","1","7","6","5","1") = "6"
    & skf21("2","2","3","1","7","6","6","1") = "6"
    & skf21("2","2","3","1","7","6","7","1") = "6"
    & skf21("2","2","3","1","7","7","1","1") = "6"
    & skf21("2","2","3","1","7","7","2","1") = "6"
    & skf21("2","2","3","1","7","7","3","1") = "6"
    & skf21("2","2","3","1","7","7","4","1") = "6"
    & skf21("2","2","3","1","7","7","5","1") = "6"
    & skf21("2","2","3","1","7","7","6","1") = "6"
    & skf21("2","2","3","1","7","7","7","1") = "6"
    & skf21("2","2","3","2","1","1","1","1") = "2"
    & skf21("2","2","3","2","1","1","2","1") = "2"
    & skf21("2","2","3","2","1","1","3","1") = "2"
    & skf21("2","2","3","2","1","1","4","1") = "3"
    & skf21("2","2","3","2","1","1","5","1") = "4"
    & skf21("2","2","3","2","1","1","6","1") = "5"
    & skf21("2","2","3","2","1","1","7","1") = "6"
    & skf21("2","2","3","2","1","2","1","1") = "2"
    & skf21("2","2","3","2","1","2","2","1") = "2"
    & skf21("2","2","3","2","1","2","3","1") = "2"
    & skf21("2","2","3","2","1","2","4","1") = "3"
    & skf21("2","2","3","2","1","2","5","1") = "4"
    & skf21("2","2","3","2","1","2","6","1") = "5"
    & skf21("2","2","3","2","1","2","7","1") = "6"
    & skf21("2","2","3","2","1","3","1","1") = "2"
    & skf21("2","2","3","2","1","3","2","1") = "2"
    & skf21("2","2","3","2","1","3","3","1") = "2"
    & skf21("2","2","3","2","1","3","4","1") = "3"
    & skf21("2","2","3","2","1","3","5","1") = "4"
    & skf21("2","2","3","2","1","3","6","1") = "5"
    & skf21("2","2","3","2","1","3","7","1") = "6"
    & skf21("2","2","3","2","1","4","1","1") = "3"
    & skf21("2","2","3","2","1","4","2","1") = "3"
    & skf21("2","2","3","2","1","4","3","1") = "3"
    & skf21("2","2","3","2","1","4","4","1") = "3"
    & skf21("2","2","3","2","1","4","5","1") = "4"
    & skf21("2","2","3","2","1","4","6","1") = "5"
    & skf21("2","2","3","2","1","4","7","1") = "6"
    & skf21("2","2","3","2","1","5","1","1") = "4"
    & skf21("2","2","3","2","1","5","2","1") = "4"
    & skf21("2","2","3","2","1","5","3","1") = "4"
    & skf21("2","2","3","2","1","5","4","1") = "4"
    & skf21("2","2","3","2","1","5","5","1") = "4"
    & skf21("2","2","3","2","1","5","6","1") = "5"
    & skf21("2","2","3","2","1","5","7","1") = "6"
    & skf21("2","2","3","2","1","6","1","1") = "5"
    & skf21("2","2","3","2","1","6","2","1") = "5"
    & skf21("2","2","3","2","1","6","3","1") = "5"
    & skf21("2","2","3","2","1","6","4","1") = "5"
    & skf21("2","2","3","2","1","6","5","1") = "5"
    & skf21("2","2","3","2","1","6","6","1") = "5"
    & skf21("2","2","3","2","1","6","7","1") = "6"
    & skf21("2","2","3","2","1","7","1","1") = "6"
    & skf21("2","2","3","2","1","7","2","1") = "6"
    & skf21("2","2","3","2","1","7","3","1") = "6"
    & skf21("2","2","3","2","1","7","4","1") = "6"
    & skf21("2","2","3","2","1","7","5","1") = "6"
    & skf21("2","2","3","2","1","7","6","1") = "6"
    & skf21("2","2","3","2","1","7","7","1") = "6"
    & skf21("2","2","3","2","2","1","1","1") = "2"
    & skf21("2","2","3","2","2","1","2","1") = "2"
    & skf21("2","2","3","2","2","1","3","1") = "2"
    & skf21("2","2","3","2","2","1","4","1") = "3"
    & skf21("2","2","3","2","2","1","5","1") = "4"
    & skf21("2","2","3","2","2","1","6","1") = "5"
    & skf21("2","2","3","2","2","1","7","1") = "6"
    & skf21("2","2","3","2","2","2","1","1") = "2"
    & skf21("2","2","3","2","2","2","2","1") = "2"
    & skf21("2","2","3","2","2","2","3","1") = "2"
    & skf21("2","2","3","2","2","2","4","1") = "3"
    & skf21("2","2","3","2","2","2","5","1") = "4"
    & skf21("2","2","3","2","2","2","6","1") = "5"
    & skf21("2","2","3","2","2","2","7","1") = "6"
    & skf21("2","2","3","2","2","3","1","1") = "2"
    & skf21("2","2","3","2","2","3","2","1") = "2"
    & skf21("2","2","3","2","2","3","3","1") = "2"
    & skf21("2","2","3","2","2","3","4","1") = "3"
    & skf21("2","2","3","2","2","3","5","1") = "4"
    & skf21("2","2","3","2","2","3","6","1") = "5"
    & skf21("2","2","3","2","2","3","7","1") = "6"
    & skf21("2","2","3","2","2","4","1","1") = "3"
    & skf21("2","2","3","2","2","4","2","1") = "3"
    & skf21("2","2","3","2","2","4","3","1") = "3"
    & skf21("2","2","3","2","2","4","4","1") = "3"
    & skf21("2","2","3","2","2","4","5","1") = "4"
    & skf21("2","2","3","2","2","4","6","1") = "5"
    & skf21("2","2","3","2","2","4","7","1") = "6"
    & skf21("2","2","3","2","2","5","1","1") = "4"
    & skf21("2","2","3","2","2","5","2","1") = "4"
    & skf21("2","2","3","2","2","5","3","1") = "4"
    & skf21("2","2","3","2","2","5","4","1") = "4"
    & skf21("2","2","3","2","2","5","5","1") = "4"
    & skf21("2","2","3","2","2","5","6","1") = "5"
    & skf21("2","2","3","2","2","5","7","1") = "6"
    & skf21("2","2","3","2","2","6","1","1") = "5"
    & skf21("2","2","3","2","2","6","2","1") = "5"
    & skf21("2","2","3","2","2","6","3","1") = "5"
    & skf21("2","2","3","2","2","6","4","1") = "5"
    & skf21("2","2","3","2","2","6","5","1") = "5"
    & skf21("2","2","3","2","2","6","6","1") = "5"
    & skf21("2","2","3","2","2","6","7","1") = "6"
    & skf21("2","2","3","2","2","7","1","1") = "6"
    & skf21("2","2","3","2","2","7","2","1") = "6"
    & skf21("2","2","3","2","2","7","3","1") = "6"
    & skf21("2","2","3","2","2","7","4","1") = "6"
    & skf21("2","2","3","2","2","7","5","1") = "6"
    & skf21("2","2","3","2","2","7","6","1") = "6"
    & skf21("2","2","3","2","2","7","7","1") = "6"
    & skf21("2","2","3","2","3","1","1","1") = "2"
    & skf21("2","2","3","2","3","1","2","1") = "2"
    & skf21("2","2","3","2","3","1","3","1") = "2"
    & skf21("2","2","3","2","3","1","4","1") = "3"
    & skf21("2","2","3","2","3","1","5","1") = "4"
    & skf21("2","2","3","2","3","1","6","1") = "5"
    & skf21("2","2","3","2","3","1","7","1") = "6"
    & skf21("2","2","3","2","3","2","1","1") = "2"
    & skf21("2","2","3","2","3","2","2","1") = "2"
    & skf21("2","2","3","2","3","2","3","1") = "2"
    & skf21("2","2","3","2","3","2","4","1") = "3"
    & skf21("2","2","3","2","3","2","5","1") = "4"
    & skf21("2","2","3","2","3","2","6","1") = "5"
    & skf21("2","2","3","2","3","2","7","1") = "6"
    & skf21("2","2","3","2","3","3","1","1") = "2"
    & skf21("2","2","3","2","3","3","2","1") = "2"
    & skf21("2","2","3","2","3","3","3","1") = "2"
    & skf21("2","2","3","2","3","3","4","1") = "3"
    & skf21("2","2","3","2","3","3","5","1") = "4"
    & skf21("2","2","3","2","3","3","6","1") = "5"
    & skf21("2","2","3","2","3","3","7","1") = "6"
    & skf21("2","2","3","2","3","4","1","1") = "3"
    & skf21("2","2","3","2","3","4","2","1") = "3"
    & skf21("2","2","3","2","3","4","3","1") = "3"
    & skf21("2","2","3","2","3","4","4","1") = "3"
    & skf21("2","2","3","2","3","4","5","1") = "4"
    & skf21("2","2","3","2","3","4","6","1") = "5"
    & skf21("2","2","3","2","3","4","7","1") = "6"
    & skf21("2","2","3","2","3","5","1","1") = "4"
    & skf21("2","2","3","2","3","5","2","1") = "4"
    & skf21("2","2","3","2","3","5","3","1") = "4"
    & skf21("2","2","3","2","3","5","4","1") = "4"
    & skf21("2","2","3","2","3","5","5","1") = "4"
    & skf21("2","2","3","2","3","5","6","1") = "5"
    & skf21("2","2","3","2","3","5","7","1") = "6"
    & skf21("2","2","3","2","3","6","1","1") = "5"
    & skf21("2","2","3","2","3","6","2","1") = "5"
    & skf21("2","2","3","2","3","6","3","1") = "5"
    & skf21("2","2","3","2","3","6","4","1") = "5"
    & skf21("2","2","3","2","3","6","5","1") = "5"
    & skf21("2","2","3","2","3","6","6","1") = "5"
    & skf21("2","2","3","2","3","6","7","1") = "6"
    & skf21("2","2","3","2","3","7","1","1") = "6"
    & skf21("2","2","3","2","3","7","2","1") = "6"
    & skf21("2","2","3","2","3","7","3","1") = "6"
    & skf21("2","2","3","2","3","7","4","1") = "6"
    & skf21("2","2","3","2","3","7","5","1") = "6"
    & skf21("2","2","3","2","3","7","6","1") = "6"
    & skf21("2","2","3","2","3","7","7","1") = "6"
    & skf21("2","2","3","2","4","1","1","1") = "3"
    & skf21("2","2","3","2","4","1","2","1") = "3"
    & skf21("2","2","3","2","4","1","3","1") = "3"
    & skf21("2","2","3","2","4","1","4","1") = "3"
    & skf21("2","2","3","2","4","1","5","1") = "4"
    & skf21("2","2","3","2","4","1","6","1") = "5"
    & skf21("2","2","3","2","4","1","7","1") = "6"
    & skf21("2","2","3","2","4","2","1","1") = "3"
    & skf21("2","2","3","2","4","2","2","1") = "3"
    & skf21("2","2","3","2","4","2","3","1") = "3"
    & skf21("2","2","3","2","4","2","4","1") = "3"
    & skf21("2","2","3","2","4","2","5","1") = "4"
    & skf21("2","2","3","2","4","2","6","1") = "5"
    & skf21("2","2","3","2","4","2","7","1") = "6"
    & skf21("2","2","3","2","4","3","1","1") = "3"
    & skf21("2","2","3","2","4","3","2","1") = "3"
    & skf21("2","2","3","2","4","3","3","1") = "3"
    & skf21("2","2","3","2","4","3","4","1") = "3"
    & skf21("2","2","3","2","4","3","5","1") = "4"
    & skf21("2","2","3","2","4","3","6","1") = "5"
    & skf21("2","2","3","2","4","3","7","1") = "6"
    & skf21("2","2","3","2","4","4","1","1") = "3"
    & skf21("2","2","3","2","4","4","2","1") = "3"
    & skf21("2","2","3","2","4","4","3","1") = "3"
    & skf21("2","2","3","2","4","4","4","1") = "3"
    & skf21("2","2","3","2","4","4","5","1") = "4"
    & skf21("2","2","3","2","4","4","6","1") = "5"
    & skf21("2","2","3","2","4","4","7","1") = "6"
    & skf21("2","2","3","2","4","5","1","1") = "4"
    & skf21("2","2","3","2","4","5","2","1") = "4"
    & skf21("2","2","3","2","4","5","3","1") = "4"
    & skf21("2","2","3","2","4","5","4","1") = "4"
    & skf21("2","2","3","2","4","5","5","1") = "4"
    & skf21("2","2","3","2","4","5","6","1") = "5"
    & skf21("2","2","3","2","4","5","7","1") = "6"
    & skf21("2","2","3","2","4","6","1","1") = "5"
    & skf21("2","2","3","2","4","6","2","1") = "5"
    & skf21("2","2","3","2","4","6","3","1") = "5"
    & skf21("2","2","3","2","4","6","4","1") = "5"
    & skf21("2","2","3","2","4","6","5","1") = "5"
    & skf21("2","2","3","2","4","6","6","1") = "5"
    & skf21("2","2","3","2","4","6","7","1") = "6"
    & skf21("2","2","3","2","4","7","1","1") = "6"
    & skf21("2","2","3","2","4","7","2","1") = "6"
    & skf21("2","2","3","2","4","7","3","1") = "6"
    & skf21("2","2","3","2","4","7","4","1") = "6"
    & skf21("2","2","3","2","4","7","5","1") = "6"
    & skf21("2","2","3","2","4","7","6","1") = "6"
    & skf21("2","2","3","2","4","7","7","1") = "6"
    & skf21("2","2","3","2","5","1","1","1") = "4"
    & skf21("2","2","3","2","5","1","2","1") = "4"
    & skf21("2","2","3","2","5","1","3","1") = "4"
    & skf21("2","2","3","2","5","1","4","1") = "4"
    & skf21("2","2","3","2","5","1","5","1") = "4"
    & skf21("2","2","3","2","5","1","6","1") = "5"
    & skf21("2","2","3","2","5","1","7","1") = "6"
    & skf21("2","2","3","2","5","2","1","1") = "4"
    & skf21("2","2","3","2","5","2","2","1") = "4"
    & skf21("2","2","3","2","5","2","3","1") = "4"
    & skf21("2","2","3","2","5","2","4","1") = "4"
    & skf21("2","2","3","2","5","2","5","1") = "4"
    & skf21("2","2","3","2","5","2","6","1") = "5"
    & skf21("2","2","3","2","5","2","7","1") = "6"
    & skf21("2","2","3","2","5","3","1","1") = "4"
    & skf21("2","2","3","2","5","3","2","1") = "4"
    & skf21("2","2","3","2","5","3","3","1") = "4"
    & skf21("2","2","3","2","5","3","4","1") = "4"
    & skf21("2","2","3","2","5","3","5","1") = "4"
    & skf21("2","2","3","2","5","3","6","1") = "5"
    & skf21("2","2","3","2","5","3","7","1") = "6"
    & skf21("2","2","3","2","5","4","1","1") = "4"
    & skf21("2","2","3","2","5","4","2","1") = "4"
    & skf21("2","2","3","2","5","4","3","1") = "4"
    & skf21("2","2","3","2","5","4","4","1") = "4"
    & skf21("2","2","3","2","5","4","5","1") = "4"
    & skf21("2","2","3","2","5","4","6","1") = "5"
    & skf21("2","2","3","2","5","4","7","1") = "6"
    & skf21("2","2","3","2","5","5","1","1") = "4"
    & skf21("2","2","3","2","5","5","2","1") = "4"
    & skf21("2","2","3","2","5","5","3","1") = "4"
    & skf21("2","2","3","2","5","5","4","1") = "4"
    & skf21("2","2","3","2","5","5","5","1") = "4"
    & skf21("2","2","3","2","5","5","6","1") = "5"
    & skf21("2","2","3","2","5","5","7","1") = "6"
    & skf21("2","2","3","2","5","6","1","1") = "5"
    & skf21("2","2","3","2","5","6","2","1") = "5"
    & skf21("2","2","3","2","5","6","3","1") = "5"
    & skf21("2","2","3","2","5","6","4","1") = "5"
    & skf21("2","2","3","2","5","6","5","1") = "5"
    & skf21("2","2","3","2","5","6","6","1") = "5"
    & skf21("2","2","3","2","5","6","7","1") = "6"
    & skf21("2","2","3","2","5","7","1","1") = "6"
    & skf21("2","2","3","2","5","7","2","1") = "6"
    & skf21("2","2","3","2","5","7","3","1") = "6"
    & skf21("2","2","3","2","5","7","4","1") = "6"
    & skf21("2","2","3","2","5","7","5","1") = "6"
    & skf21("2","2","3","2","5","7","6","1") = "6"
    & skf21("2","2","3","2","5","7","7","1") = "6"
    & skf21("2","2","3","2","6","1","1","1") = "5"
    & skf21("2","2","3","2","6","1","2","1") = "5"
    & skf21("2","2","3","2","6","1","3","1") = "5"
    & skf21("2","2","3","2","6","1","4","1") = "5"
    & skf21("2","2","3","2","6","1","5","1") = "5"
    & skf21("2","2","3","2","6","1","6","1") = "5"
    & skf21("2","2","3","2","6","1","7","1") = "6"
    & skf21("2","2","3","2","6","2","1","1") = "5"
    & skf21("2","2","3","2","6","2","2","1") = "5"
    & skf21("2","2","3","2","6","2","3","1") = "5"
    & skf21("2","2","3","2","6","2","4","1") = "5"
    & skf21("2","2","3","2","6","2","5","1") = "5"
    & skf21("2","2","3","2","6","2","6","1") = "5"
    & skf21("2","2","3","2","6","2","7","1") = "6"
    & skf21("2","2","3","2","6","3","1","1") = "5"
    & skf21("2","2","3","2","6","3","2","1") = "5"
    & skf21("2","2","3","2","6","3","3","1") = "5"
    & skf21("2","2","3","2","6","3","4","1") = "5"
    & skf21("2","2","3","2","6","3","5","1") = "5"
    & skf21("2","2","3","2","6","3","6","1") = "5"
    & skf21("2","2","3","2","6","3","7","1") = "6"
    & skf21("2","2","3","2","6","4","1","1") = "5"
    & skf21("2","2","3","2","6","4","2","1") = "5"
    & skf21("2","2","3","2","6","4","3","1") = "5"
    & skf21("2","2","3","2","6","4","4","1") = "5"
    & skf21("2","2","3","2","6","4","5","1") = "5"
    & skf21("2","2","3","2","6","4","6","1") = "5"
    & skf21("2","2","3","2","6","4","7","1") = "6"
    & skf21("2","2","3","2","6","5","1","1") = "5"
    & skf21("2","2","3","2","6","5","2","1") = "5"
    & skf21("2","2","3","2","6","5","3","1") = "5"
    & skf21("2","2","3","2","6","5","4","1") = "5"
    & skf21("2","2","3","2","6","5","5","1") = "5"
    & skf21("2","2","3","2","6","5","6","1") = "5"
    & skf21("2","2","3","2","6","5","7","1") = "6"
    & skf21("2","2","3","2","6","6","1","1") = "5"
    & skf21("2","2","3","2","6","6","2","1") = "5"
    & skf21("2","2","3","2","6","6","3","1") = "5"
    & skf21("2","2","3","2","6","6","4","1") = "5"
    & skf21("2","2","3","2","6","6","5","1") = "5"
    & skf21("2","2","3","2","6","6","6","1") = "5"
    & skf21("2","2","3","2","6","6","7","1") = "6"
    & skf21("2","2","3","2","6","7","1","1") = "6"
    & skf21("2","2","3","2","6","7","2","1") = "6"
    & skf21("2","2","3","2","6","7","3","1") = "6"
    & skf21("2","2","3","2","6","7","4","1") = "6"
    & skf21("2","2","3","2","6","7","5","1") = "6"
    & skf21("2","2","3","2","6","7","6","1") = "6"
    & skf21("2","2","3","2","6","7","7","1") = "6"
    & skf21("2","2","3","2","7","1","1","1") = "6"
    & skf21("2","2","3","2","7","1","2","1") = "6"
    & skf21("2","2","3","2","7","1","3","1") = "6"
    & skf21("2","2","3","2","7","1","4","1") = "6"
    & skf21("2","2","3","2","7","1","5","1") = "6"
    & skf21("2","2","3","2","7","1","6","1") = "6"
    & skf21("2","2","3","2","7","1","7","1") = "6"
    & skf21("2","2","3","2","7","2","1","1") = "6"
    & skf21("2","2","3","2","7","2","2","1") = "6"
    & skf21("2","2","3","2","7","2","3","1") = "6"
    & skf21("2","2","3","2","7","2","4","1") = "6"
    & skf21("2","2","3","2","7","2","5","1") = "6"
    & skf21("2","2","3","2","7","2","6","1") = "6"
    & skf21("2","2","3","2","7","2","7","1") = "6"
    & skf21("2","2","3","2","7","3","1","1") = "6"
    & skf21("2","2","3","2","7","3","2","1") = "6"
    & skf21("2","2","3","2","7","3","3","1") = "6"
    & skf21("2","2","3","2","7","3","4","1") = "6"
    & skf21("2","2","3","2","7","3","5","1") = "6"
    & skf21("2","2","3","2","7","3","6","1") = "6"
    & skf21("2","2","3","2","7","3","7","1") = "6"
    & skf21("2","2","3","2","7","4","1","1") = "6"
    & skf21("2","2","3","2","7","4","2","1") = "6"
    & skf21("2","2","3","2","7","4","3","1") = "6"
    & skf21("2","2","3","2","7","4","4","1") = "6"
    & skf21("2","2","3","2","7","4","5","1") = "6"
    & skf21("2","2","3","2","7","4","6","1") = "6"
    & skf21("2","2","3","2","7","4","7","1") = "6"
    & skf21("2","2","3","2","7","5","1","1") = "6"
    & skf21("2","2","3","2","7","5","2","1") = "6"
    & skf21("2","2","3","2","7","5","3","1") = "6"
    & skf21("2","2","3","2","7","5","4","1") = "6"
    & skf21("2","2","3","2","7","5","5","1") = "6"
    & skf21("2","2","3","2","7","5","6","1") = "6"
    & skf21("2","2","3","2","7","5","7","1") = "6"
    & skf21("2","2","3","2","7","6","1","1") = "6"
    & skf21("2","2","3","2","7","6","2","1") = "6"
    & skf21("2","2","3","2","7","6","3","1") = "6"
    & skf21("2","2","3","2","7","6","4","1") = "6"
    & skf21("2","2","3","2","7","6","5","1") = "6"
    & skf21("2","2","3","2","7","6","6","1") = "6"
    & skf21("2","2","3","2","7","6","7","1") = "6"
    & skf21("2","2","3","2","7","7","1","1") = "6"
    & skf21("2","2","3","2","7","7","2","1") = "6"
    & skf21("2","2","3","2","7","7","3","1") = "6"
    & skf21("2","2","3","2","7","7","4","1") = "6"
    & skf21("2","2","3","2","7","7","5","1") = "6"
    & skf21("2","2","3","2","7","7","6","1") = "6"
    & skf21("2","2","3","2","7","7","7","1") = "6"
    & skf21("2","2","3","3","1","1","1","1") = "2"
    & skf21("2","2","3","3","1","1","2","1") = "2"
    & skf21("2","2","3","3","1","1","3","1") = "2"
    & skf21("2","2","3","3","1","1","4","1") = "3"
    & skf21("2","2","3","3","1","1","5","1") = "4"
    & skf21("2","2","3","3","1","1","6","1") = "5"
    & skf21("2","2","3","3","1","1","7","1") = "6"
    & skf21("2","2","3","3","1","2","1","1") = "2"
    & skf21("2","2","3","3","1","2","2","1") = "2"
    & skf21("2","2","3","3","1","2","3","1") = "2"
    & skf21("2","2","3","3","1","2","4","1") = "3"
    & skf21("2","2","3","3","1","2","5","1") = "4"
    & skf21("2","2","3","3","1","2","6","1") = "5"
    & skf21("2","2","3","3","1","2","7","1") = "6"
    & skf21("2","2","3","3","1","3","1","1") = "2"
    & skf21("2","2","3","3","1","3","2","1") = "2"
    & skf21("2","2","3","3","1","3","3","1") = "2"
    & skf21("2","2","3","3","1","3","4","1") = "3"
    & skf21("2","2","3","3","1","3","5","1") = "4"
    & skf21("2","2","3","3","1","3","6","1") = "5"
    & skf21("2","2","3","3","1","3","7","1") = "6"
    & skf21("2","2","3","3","1","4","1","1") = "3"
    & skf21("2","2","3","3","1","4","2","1") = "3"
    & skf21("2","2","3","3","1","4","3","1") = "3"
    & skf21("2","2","3","3","1","4","4","1") = "3"
    & skf21("2","2","3","3","1","4","5","1") = "4"
    & skf21("2","2","3","3","1","4","6","1") = "5"
    & skf21("2","2","3","3","1","4","7","1") = "6"
    & skf21("2","2","3","3","1","5","1","1") = "4"
    & skf21("2","2","3","3","1","5","2","1") = "4"
    & skf21("2","2","3","3","1","5","3","1") = "4"
    & skf21("2","2","3","3","1","5","4","1") = "4"
    & skf21("2","2","3","3","1","5","5","1") = "4"
    & skf21("2","2","3","3","1","5","6","1") = "5"
    & skf21("2","2","3","3","1","5","7","1") = "6"
    & skf21("2","2","3","3","1","6","1","1") = "5"
    & skf21("2","2","3","3","1","6","2","1") = "5"
    & skf21("2","2","3","3","1","6","3","1") = "5"
    & skf21("2","2","3","3","1","6","4","1") = "5"
    & skf21("2","2","3","3","1","6","5","1") = "5"
    & skf21("2","2","3","3","1","6","6","1") = "5"
    & skf21("2","2","3","3","1","6","7","1") = "6"
    & skf21("2","2","3","3","1","7","1","1") = "6"
    & skf21("2","2","3","3","1","7","2","1") = "6"
    & skf21("2","2","3","3","1","7","3","1") = "6"
    & skf21("2","2","3","3","1","7","4","1") = "6"
    & skf21("2","2","3","3","1","7","5","1") = "6"
    & skf21("2","2","3","3","1","7","6","1") = "6"
    & skf21("2","2","3","3","1","7","7","1") = "6"
    & skf21("2","2","3","3","2","1","1","1") = "2"
    & skf21("2","2","3","3","2","1","2","1") = "2"
    & skf21("2","2","3","3","2","1","3","1") = "2"
    & skf21("2","2","3","3","2","1","4","1") = "3"
    & skf21("2","2","3","3","2","1","5","1") = "4"
    & skf21("2","2","3","3","2","1","6","1") = "5"
    & skf21("2","2","3","3","2","1","7","1") = "6"
    & skf21("2","2","3","3","2","2","1","1") = "2"
    & skf21("2","2","3","3","2","2","2","1") = "2"
    & skf21("2","2","3","3","2","2","3","1") = "2"
    & skf21("2","2","3","3","2","2","4","1") = "3"
    & skf21("2","2","3","3","2","2","5","1") = "4"
    & skf21("2","2","3","3","2","2","6","1") = "5"
    & skf21("2","2","3","3","2","2","7","1") = "6"
    & skf21("2","2","3","3","2","3","1","1") = "2"
    & skf21("2","2","3","3","2","3","2","1") = "2"
    & skf21("2","2","3","3","2","3","3","1") = "2"
    & skf21("2","2","3","3","2","3","4","1") = "3"
    & skf21("2","2","3","3","2","3","5","1") = "4"
    & skf21("2","2","3","3","2","3","6","1") = "5"
    & skf21("2","2","3","3","2","3","7","1") = "6"
    & skf21("2","2","3","3","2","4","1","1") = "3"
    & skf21("2","2","3","3","2","4","2","1") = "3"
    & skf21("2","2","3","3","2","4","3","1") = "3"
    & skf21("2","2","3","3","2","4","4","1") = "3"
    & skf21("2","2","3","3","2","4","5","1") = "4"
    & skf21("2","2","3","3","2","4","6","1") = "5"
    & skf21("2","2","3","3","2","4","7","1") = "6"
    & skf21("2","2","3","3","2","5","1","1") = "4"
    & skf21("2","2","3","3","2","5","2","1") = "4"
    & skf21("2","2","3","3","2","5","3","1") = "4"
    & skf21("2","2","3","3","2","5","4","1") = "4"
    & skf21("2","2","3","3","2","5","5","1") = "4"
    & skf21("2","2","3","3","2","5","6","1") = "5"
    & skf21("2","2","3","3","2","5","7","1") = "6"
    & skf21("2","2","3","3","2","6","1","1") = "5"
    & skf21("2","2","3","3","2","6","2","1") = "5"
    & skf21("2","2","3","3","2","6","3","1") = "5"
    & skf21("2","2","3","3","2","6","4","1") = "5"
    & skf21("2","2","3","3","2","6","5","1") = "5"
    & skf21("2","2","3","3","2","6","6","1") = "5"
    & skf21("2","2","3","3","2","6","7","1") = "6"
    & skf21("2","2","3","3","2","7","1","1") = "6"
    & skf21("2","2","3","3","2","7","2","1") = "6"
    & skf21("2","2","3","3","2","7","3","1") = "6"
    & skf21("2","2","3","3","2","7","4","1") = "6"
    & skf21("2","2","3","3","2","7","5","1") = "6"
    & skf21("2","2","3","3","2","7","6","1") = "6"
    & skf21("2","2","3","3","2","7","7","1") = "6"
    & skf21("2","2","3","3","3","1","1","1") = "2"
    & skf21("2","2","3","3","3","1","2","1") = "2"
    & skf21("2","2","3","3","3","1","3","1") = "2"
    & skf21("2","2","3","3","3","1","4","1") = "3"
    & skf21("2","2","3","3","3","1","5","1") = "4"
    & skf21("2","2","3","3","3","1","6","1") = "5"
    & skf21("2","2","3","3","3","1","7","1") = "6"
    & skf21("2","2","3","3","3","2","1","1") = "2"
    & skf21("2","2","3","3","3","2","2","1") = "2"
    & skf21("2","2","3","3","3","2","3","1") = "2"
    & skf21("2","2","3","3","3","2","4","1") = "3"
    & skf21("2","2","3","3","3","2","5","1") = "4"
    & skf21("2","2","3","3","3","2","6","1") = "5"
    & skf21("2","2","3","3","3","2","7","1") = "6"
    & skf21("2","2","3","3","3","3","1","1") = "2"
    & skf21("2","2","3","3","3","3","2","1") = "2"
    & skf21("2","2","3","3","3","3","3","1") = "2"
    & skf21("2","2","3","3","3","3","4","1") = "3"
    & skf21("2","2","3","3","3","3","5","1") = "4"
    & skf21("2","2","3","3","3","3","6","1") = "5"
    & skf21("2","2","3","3","3","3","7","1") = "6"
    & skf21("2","2","3","3","3","4","1","1") = "3"
    & skf21("2","2","3","3","3","4","2","1") = "3"
    & skf21("2","2","3","3","3","4","3","1") = "3"
    & skf21("2","2","3","3","3","4","4","1") = "3"
    & skf21("2","2","3","3","3","4","5","1") = "4"
    & skf21("2","2","3","3","3","4","6","1") = "5"
    & skf21("2","2","3","3","3","4","7","1") = "6"
    & skf21("2","2","3","3","3","5","1","1") = "4"
    & skf21("2","2","3","3","3","5","2","1") = "4"
    & skf21("2","2","3","3","3","5","3","1") = "4"
    & skf21("2","2","3","3","3","5","4","1") = "4"
    & skf21("2","2","3","3","3","5","5","1") = "4"
    & skf21("2","2","3","3","3","5","6","1") = "5"
    & skf21("2","2","3","3","3","5","7","1") = "6"
    & skf21("2","2","3","3","3","6","1","1") = "5"
    & skf21("2","2","3","3","3","6","2","1") = "5"
    & skf21("2","2","3","3","3","6","3","1") = "5"
    & skf21("2","2","3","3","3","6","4","1") = "5"
    & skf21("2","2","3","3","3","6","5","1") = "5"
    & skf21("2","2","3","3","3","6","6","1") = "5"
    & skf21("2","2","3","3","3","6","7","1") = "6"
    & skf21("2","2","3","3","3","7","1","1") = "6"
    & skf21("2","2","3","3","3","7","2","1") = "6"
    & skf21("2","2","3","3","3","7","3","1") = "6"
    & skf21("2","2","3","3","3","7","4","1") = "6"
    & skf21("2","2","3","3","3","7","5","1") = "6"
    & skf21("2","2","3","3","3","7","6","1") = "6"
    & skf21("2","2","3","3","3","7","7","1") = "6"
    & skf21("2","2","3","3","4","1","1","1") = "3"
    & skf21("2","2","3","3","4","1","2","1") = "3"
    & skf21("2","2","3","3","4","1","3","1") = "3"
    & skf21("2","2","3","3","4","1","4","1") = "3"
    & skf21("2","2","3","3","4","1","5","1") = "4"
    & skf21("2","2","3","3","4","1","6","1") = "5"
    & skf21("2","2","3","3","4","1","7","1") = "6"
    & skf21("2","2","3","3","4","2","1","1") = "3"
    & skf21("2","2","3","3","4","2","2","1") = "3"
    & skf21("2","2","3","3","4","2","3","1") = "3"
    & skf21("2","2","3","3","4","2","4","1") = "3"
    & skf21("2","2","3","3","4","2","5","1") = "4"
    & skf21("2","2","3","3","4","2","6","1") = "5"
    & skf21("2","2","3","3","4","2","7","1") = "6"
    & skf21("2","2","3","3","4","3","1","1") = "3"
    & skf21("2","2","3","3","4","3","2","1") = "3"
    & skf21("2","2","3","3","4","3","3","1") = "3"
    & skf21("2","2","3","3","4","3","4","1") = "3"
    & skf21("2","2","3","3","4","3","5","1") = "4"
    & skf21("2","2","3","3","4","3","6","1") = "5"
    & skf21("2","2","3","3","4","3","7","1") = "6"
    & skf21("2","2","3","3","4","4","1","1") = "3"
    & skf21("2","2","3","3","4","4","2","1") = "3"
    & skf21("2","2","3","3","4","4","3","1") = "3"
    & skf21("2","2","3","3","4","4","4","1") = "3"
    & skf21("2","2","3","3","4","4","5","1") = "4"
    & skf21("2","2","3","3","4","4","6","1") = "5"
    & skf21("2","2","3","3","4","4","7","1") = "6"
    & skf21("2","2","3","3","4","5","1","1") = "4"
    & skf21("2","2","3","3","4","5","2","1") = "4"
    & skf21("2","2","3","3","4","5","3","1") = "4"
    & skf21("2","2","3","3","4","5","4","1") = "4"
    & skf21("2","2","3","3","4","5","5","1") = "4"
    & skf21("2","2","3","3","4","5","6","1") = "5"
    & skf21("2","2","3","3","4","5","7","1") = "6"
    & skf21("2","2","3","3","4","6","1","1") = "5"
    & skf21("2","2","3","3","4","6","2","1") = "5"
    & skf21("2","2","3","3","4","6","3","1") = "5"
    & skf21("2","2","3","3","4","6","4","1") = "5"
    & skf21("2","2","3","3","4","6","5","1") = "5"
    & skf21("2","2","3","3","4","6","6","1") = "5"
    & skf21("2","2","3","3","4","6","7","1") = "6"
    & skf21("2","2","3","3","4","7","1","1") = "6"
    & skf21("2","2","3","3","4","7","2","1") = "6"
    & skf21("2","2","3","3","4","7","3","1") = "6"
    & skf21("2","2","3","3","4","7","4","1") = "6"
    & skf21("2","2","3","3","4","7","5","1") = "6"
    & skf21("2","2","3","3","4","7","6","1") = "6"
    & skf21("2","2","3","3","4","7","7","1") = "6"
    & skf21("2","2","3","3","5","1","1","1") = "4"
    & skf21("2","2","3","3","5","1","2","1") = "4"
    & skf21("2","2","3","3","5","1","3","1") = "4"
    & skf21("2","2","3","3","5","1","4","1") = "4"
    & skf21("2","2","3","3","5","1","5","1") = "4"
    & skf21("2","2","3","3","5","1","6","1") = "5"
    & skf21("2","2","3","3","5","1","7","1") = "6"
    & skf21("2","2","3","3","5","2","1","1") = "4"
    & skf21("2","2","3","3","5","2","2","1") = "4"
    & skf21("2","2","3","3","5","2","3","1") = "4"
    & skf21("2","2","3","3","5","2","4","1") = "4"
    & skf21("2","2","3","3","5","2","5","1") = "4"
    & skf21("2","2","3","3","5","2","6","1") = "5"
    & skf21("2","2","3","3","5","2","7","1") = "6"
    & skf21("2","2","3","3","5","3","1","1") = "4"
    & skf21("2","2","3","3","5","3","2","1") = "4"
    & skf21("2","2","3","3","5","3","3","1") = "4"
    & skf21("2","2","3","3","5","3","4","1") = "4"
    & skf21("2","2","3","3","5","3","5","1") = "4"
    & skf21("2","2","3","3","5","3","6","1") = "5"
    & skf21("2","2","3","3","5","3","7","1") = "6"
    & skf21("2","2","3","3","5","4","1","1") = "4"
    & skf21("2","2","3","3","5","4","2","1") = "4"
    & skf21("2","2","3","3","5","4","3","1") = "4"
    & skf21("2","2","3","3","5","4","4","1") = "4"
    & skf21("2","2","3","3","5","4","5","1") = "4"
    & skf21("2","2","3","3","5","4","6","1") = "5"
    & skf21("2","2","3","3","5","4","7","1") = "6"
    & skf21("2","2","3","3","5","5","1","1") = "4"
    & skf21("2","2","3","3","5","5","2","1") = "4"
    & skf21("2","2","3","3","5","5","3","1") = "4"
    & skf21("2","2","3","3","5","5","4","1") = "4"
    & skf21("2","2","3","3","5","5","5","1") = "4"
    & skf21("2","2","3","3","5","5","6","1") = "5"
    & skf21("2","2","3","3","5","5","7","1") = "6"
    & skf21("2","2","3","3","5","6","1","1") = "5"
    & skf21("2","2","3","3","5","6","2","1") = "5"
    & skf21("2","2","3","3","5","6","3","1") = "5"
    & skf21("2","2","3","3","5","6","4","1") = "5"
    & skf21("2","2","3","3","5","6","5","1") = "5"
    & skf21("2","2","3","3","5","6","6","1") = "5"
    & skf21("2","2","3","3","5","6","7","1") = "6"
    & skf21("2","2","3","3","5","7","1","1") = "6"
    & skf21("2","2","3","3","5","7","2","1") = "6"
    & skf21("2","2","3","3","5","7","3","1") = "6"
    & skf21("2","2","3","3","5","7","4","1") = "6"
    & skf21("2","2","3","3","5","7","5","1") = "6"
    & skf21("2","2","3","3","5","7","6","1") = "6"
    & skf21("2","2","3","3","5","7","7","1") = "6"
    & skf21("2","2","3","3","6","1","1","1") = "5"
    & skf21("2","2","3","3","6","1","2","1") = "5"
    & skf21("2","2","3","3","6","1","3","1") = "5"
    & skf21("2","2","3","3","6","1","4","1") = "5"
    & skf21("2","2","3","3","6","1","5","1") = "5"
    & skf21("2","2","3","3","6","1","6","1") = "5"
    & skf21("2","2","3","3","6","1","7","1") = "6"
    & skf21("2","2","3","3","6","2","1","1") = "5"
    & skf21("2","2","3","3","6","2","2","1") = "5"
    & skf21("2","2","3","3","6","2","3","1") = "5"
    & skf21("2","2","3","3","6","2","4","1") = "5"
    & skf21("2","2","3","3","6","2","5","1") = "5"
    & skf21("2","2","3","3","6","2","6","1") = "5"
    & skf21("2","2","3","3","6","2","7","1") = "6"
    & skf21("2","2","3","3","6","3","1","1") = "5"
    & skf21("2","2","3","3","6","3","2","1") = "5"
    & skf21("2","2","3","3","6","3","3","1") = "5"
    & skf21("2","2","3","3","6","3","4","1") = "5"
    & skf21("2","2","3","3","6","3","5","1") = "5"
    & skf21("2","2","3","3","6","3","6","1") = "5"
    & skf21("2","2","3","3","6","3","7","1") = "6"
    & skf21("2","2","3","3","6","4","1","1") = "5"
    & skf21("2","2","3","3","6","4","2","1") = "5"
    & skf21("2","2","3","3","6","4","3","1") = "5"
    & skf21("2","2","3","3","6","4","4","1") = "5"
    & skf21("2","2","3","3","6","4","5","1") = "5"
    & skf21("2","2","3","3","6","4","6","1") = "5"
    & skf21("2","2","3","3","6","4","7","1") = "6"
    & skf21("2","2","3","3","6","5","1","1") = "5"
    & skf21("2","2","3","3","6","5","2","1") = "5"
    & skf21("2","2","3","3","6","5","3","1") = "5"
    & skf21("2","2","3","3","6","5","4","1") = "5"
    & skf21("2","2","3","3","6","5","5","1") = "5"
    & skf21("2","2","3","3","6","5","6","1") = "5"
    & skf21("2","2","3","3","6","5","7","1") = "6"
    & skf21("2","2","3","3","6","6","1","1") = "5"
    & skf21("2","2","3","3","6","6","2","1") = "5"
    & skf21("2","2","3","3","6","6","3","1") = "5"
    & skf21("2","2","3","3","6","6","4","1") = "5"
    & skf21("2","2","3","3","6","6","5","1") = "5"
    & skf21("2","2","3","3","6","6","6","1") = "5"
    & skf21("2","2","3","3","6","6","7","1") = "6"
    & skf21("2","2","3","3","6","7","1","1") = "6"
    & skf21("2","2","3","3","6","7","2","1") = "6"
    & skf21("2","2","3","3","6","7","3","1") = "6"
    & skf21("2","2","3","3","6","7","4","1") = "6"
    & skf21("2","2","3","3","6","7","5","1") = "6"
    & skf21("2","2","3","3","6","7","6","1") = "6"
    & skf21("2","2","3","3","6","7","7","1") = "6"
    & skf21("2","2","3","3","7","1","1","1") = "6"
    & skf21("2","2","3","3","7","1","2","1") = "6"
    & skf21("2","2","3","3","7","1","3","1") = "6"
    & skf21("2","2","3","3","7","1","4","1") = "6"
    & skf21("2","2","3","3","7","1","5","1") = "6"
    & skf21("2","2","3","3","7","1","6","1") = "6"
    & skf21("2","2","3","3","7","1","7","1") = "6"
    & skf21("2","2","3","3","7","2","1","1") = "6"
    & skf21("2","2","3","3","7","2","2","1") = "6"
    & skf21("2","2","3","3","7","2","3","1") = "6"
    & skf21("2","2","3","3","7","2","4","1") = "6"
    & skf21("2","2","3","3","7","2","5","1") = "6"
    & skf21("2","2","3","3","7","2","6","1") = "6"
    & skf21("2","2","3","3","7","2","7","1") = "6"
    & skf21("2","2","3","3","7","3","1","1") = "6"
    & skf21("2","2","3","3","7","3","2","1") = "6"
    & skf21("2","2","3","3","7","3","3","1") = "6"
    & skf21("2","2","3","3","7","3","4","1") = "6"
    & skf21("2","2","3","3","7","3","5","1") = "6"
    & skf21("2","2","3","3","7","3","6","1") = "6"
    & skf21("2","2","3","3","7","3","7","1") = "6"
    & skf21("2","2","3","3","7","4","1","1") = "6"
    & skf21("2","2","3","3","7","4","2","1") = "6"
    & skf21("2","2","3","3","7","4","3","1") = "6"
    & skf21("2","2","3","3","7","4","4","1") = "6"
    & skf21("2","2","3","3","7","4","5","1") = "6"
    & skf21("2","2","3","3","7","4","6","1") = "6"
    & skf21("2","2","3","3","7","4","7","1") = "6"
    & skf21("2","2","3","3","7","5","1","1") = "6"
    & skf21("2","2","3","3","7","5","2","1") = "6"
    & skf21("2","2","3","3","7","5","3","1") = "6"
    & skf21("2","2","3","3","7","5","4","1") = "6"
    & skf21("2","2","3","3","7","5","5","1") = "6"
    & skf21("2","2","3","3","7","5","6","1") = "6"
    & skf21("2","2","3","3","7","5","7","1") = "6"
    & skf21("2","2","3","3","7","6","1","1") = "6"
    & skf21("2","2","3","3","7","6","2","1") = "6"
    & skf21("2","2","3","3","7","6","3","1") = "6"
    & skf21("2","2","3","3","7","6","4","1") = "6"
    & skf21("2","2","3","3","7","6","5","1") = "6"
    & skf21("2","2","3","3","7","6","6","1") = "6"
    & skf21("2","2","3","3","7","6","7","1") = "6"
    & skf21("2","2","3","3","7","7","1","1") = "6"
    & skf21("2","2","3","3","7","7","2","1") = "6"
    & skf21("2","2","3","3","7","7","3","1") = "6"
    & skf21("2","2","3","3","7","7","4","1") = "6"
    & skf21("2","2","3","3","7","7","5","1") = "6"
    & skf21("2","2","3","3","7","7","6","1") = "6"
    & skf21("2","2","3","3","7","7","7","1") = "6"
    & skf21("2","2","3","4","1","1","1","1") = "3"
    & skf21("2","2","3","4","1","1","2","1") = "3"
    & skf21("2","2","3","4","1","1","3","1") = "3"
    & skf21("2","2","3","4","1","1","4","1") = "3"
    & skf21("2","2","3","4","1","1","5","1") = "4"
    & skf21("2","2","3","4","1","1","6","1") = "5"
    & skf21("2","2","3","4","1","1","7","1") = "6"
    & skf21("2","2","3","4","1","2","1","1") = "3"
    & skf21("2","2","3","4","1","2","2","1") = "3"
    & skf21("2","2","3","4","1","2","3","1") = "3"
    & skf21("2","2","3","4","1","2","4","1") = "3"
    & skf21("2","2","3","4","1","2","5","1") = "4"
    & skf21("2","2","3","4","1","2","6","1") = "5"
    & skf21("2","2","3","4","1","2","7","1") = "6"
    & skf21("2","2","3","4","1","3","1","1") = "3"
    & skf21("2","2","3","4","1","3","2","1") = "3"
    & skf21("2","2","3","4","1","3","3","1") = "3"
    & skf21("2","2","3","4","1","3","4","1") = "3"
    & skf21("2","2","3","4","1","3","5","1") = "4"
    & skf21("2","2","3","4","1","3","6","1") = "5"
    & skf21("2","2","3","4","1","3","7","1") = "6"
    & skf21("2","2","3","4","1","4","1","1") = "3"
    & skf21("2","2","3","4","1","4","2","1") = "3"
    & skf21("2","2","3","4","1","4","3","1") = "3"
    & skf21("2","2","3","4","1","4","4","1") = "3"
    & skf21("2","2","3","4","1","4","5","1") = "4"
    & skf21("2","2","3","4","1","4","6","1") = "5"
    & skf21("2","2","3","4","1","4","7","1") = "6"
    & skf21("2","2","3","4","1","5","1","1") = "4"
    & skf21("2","2","3","4","1","5","2","1") = "4"
    & skf21("2","2","3","4","1","5","3","1") = "4"
    & skf21("2","2","3","4","1","5","4","1") = "4"
    & skf21("2","2","3","4","1","5","5","1") = "4"
    & skf21("2","2","3","4","1","5","6","1") = "5"
    & skf21("2","2","3","4","1","5","7","1") = "6"
    & skf21("2","2","3","4","1","6","1","1") = "5"
    & skf21("2","2","3","4","1","6","2","1") = "5"
    & skf21("2","2","3","4","1","6","3","1") = "5"
    & skf21("2","2","3","4","1","6","4","1") = "5"
    & skf21("2","2","3","4","1","6","5","1") = "5"
    & skf21("2","2","3","4","1","6","6","1") = "5"
    & skf21("2","2","3","4","1","6","7","1") = "6"
    & skf21("2","2","3","4","1","7","1","1") = "6"
    & skf21("2","2","3","4","1","7","2","1") = "6"
    & skf21("2","2","3","4","1","7","3","1") = "6"
    & skf21("2","2","3","4","1","7","4","1") = "6"
    & skf21("2","2","3","4","1","7","5","1") = "6"
    & skf21("2","2","3","4","1","7","6","1") = "6"
    & skf21("2","2","3","4","1","7","7","1") = "6"
    & skf21("2","2","3","4","2","1","1","1") = "3"
    & skf21("2","2","3","4","2","1","2","1") = "3"
    & skf21("2","2","3","4","2","1","3","1") = "3"
    & skf21("2","2","3","4","2","1","4","1") = "3"
    & skf21("2","2","3","4","2","1","5","1") = "4"
    & skf21("2","2","3","4","2","1","6","1") = "5"
    & skf21("2","2","3","4","2","1","7","1") = "6"
    & skf21("2","2","3","4","2","2","1","1") = "3"
    & skf21("2","2","3","4","2","2","2","1") = "3"
    & skf21("2","2","3","4","2","2","3","1") = "3"
    & skf21("2","2","3","4","2","2","4","1") = "3"
    & skf21("2","2","3","4","2","2","5","1") = "4"
    & skf21("2","2","3","4","2","2","6","1") = "5"
    & skf21("2","2","3","4","2","2","7","1") = "6"
    & skf21("2","2","3","4","2","3","1","1") = "3"
    & skf21("2","2","3","4","2","3","2","1") = "3"
    & skf21("2","2","3","4","2","3","3","1") = "3"
    & skf21("2","2","3","4","2","3","4","1") = "3"
    & skf21("2","2","3","4","2","3","5","1") = "4"
    & skf21("2","2","3","4","2","3","6","1") = "5"
    & skf21("2","2","3","4","2","3","7","1") = "6"
    & skf21("2","2","3","4","2","4","1","1") = "3"
    & skf21("2","2","3","4","2","4","2","1") = "3"
    & skf21("2","2","3","4","2","4","3","1") = "3"
    & skf21("2","2","3","4","2","4","4","1") = "3"
    & skf21("2","2","3","4","2","4","5","1") = "4"
    & skf21("2","2","3","4","2","4","6","1") = "5"
    & skf21("2","2","3","4","2","4","7","1") = "6"
    & skf21("2","2","3","4","2","5","1","1") = "4"
    & skf21("2","2","3","4","2","5","2","1") = "4"
    & skf21("2","2","3","4","2","5","3","1") = "4"
    & skf21("2","2","3","4","2","5","4","1") = "4"
    & skf21("2","2","3","4","2","5","5","1") = "4"
    & skf21("2","2","3","4","2","5","6","1") = "5"
    & skf21("2","2","3","4","2","5","7","1") = "6"
    & skf21("2","2","3","4","2","6","1","1") = "5"
    & skf21("2","2","3","4","2","6","2","1") = "5"
    & skf21("2","2","3","4","2","6","3","1") = "5"
    & skf21("2","2","3","4","2","6","4","1") = "5"
    & skf21("2","2","3","4","2","6","5","1") = "5"
    & skf21("2","2","3","4","2","6","6","1") = "5"
    & skf21("2","2","3","4","2","6","7","1") = "6"
    & skf21("2","2","3","4","2","7","1","1") = "6"
    & skf21("2","2","3","4","2","7","2","1") = "6"
    & skf21("2","2","3","4","2","7","3","1") = "6"
    & skf21("2","2","3","4","2","7","4","1") = "6"
    & skf21("2","2","3","4","2","7","5","1") = "6"
    & skf21("2","2","3","4","2","7","6","1") = "6"
    & skf21("2","2","3","4","2","7","7","1") = "6"
    & skf21("2","2","3","4","3","1","1","1") = "3"
    & skf21("2","2","3","4","3","1","2","1") = "3"
    & skf21("2","2","3","4","3","1","3","1") = "3"
    & skf21("2","2","3","4","3","1","4","1") = "3"
    & skf21("2","2","3","4","3","1","5","1") = "4"
    & skf21("2","2","3","4","3","1","6","1") = "5"
    & skf21("2","2","3","4","3","1","7","1") = "6"
    & skf21("2","2","3","4","3","2","1","1") = "3"
    & skf21("2","2","3","4","3","2","2","1") = "3"
    & skf21("2","2","3","4","3","2","3","1") = "3"
    & skf21("2","2","3","4","3","2","4","1") = "3"
    & skf21("2","2","3","4","3","2","5","1") = "4"
    & skf21("2","2","3","4","3","2","6","1") = "5"
    & skf21("2","2","3","4","3","2","7","1") = "6"
    & skf21("2","2","3","4","3","3","1","1") = "3"
    & skf21("2","2","3","4","3","3","2","1") = "3"
    & skf21("2","2","3","4","3","3","3","1") = "3"
    & skf21("2","2","3","4","3","3","4","1") = "3"
    & skf21("2","2","3","4","3","3","5","1") = "4"
    & skf21("2","2","3","4","3","3","6","1") = "5"
    & skf21("2","2","3","4","3","3","7","1") = "6"
    & skf21("2","2","3","4","3","4","1","1") = "3"
    & skf21("2","2","3","4","3","4","2","1") = "3"
    & skf21("2","2","3","4","3","4","3","1") = "3"
    & skf21("2","2","3","4","3","4","4","1") = "3"
    & skf21("2","2","3","4","3","4","5","1") = "4"
    & skf21("2","2","3","4","3","4","6","1") = "5"
    & skf21("2","2","3","4","3","4","7","1") = "6"
    & skf21("2","2","3","4","3","5","1","1") = "4"
    & skf21("2","2","3","4","3","5","2","1") = "4"
    & skf21("2","2","3","4","3","5","3","1") = "4"
    & skf21("2","2","3","4","3","5","4","1") = "4"
    & skf21("2","2","3","4","3","5","5","1") = "4"
    & skf21("2","2","3","4","3","5","6","1") = "5"
    & skf21("2","2","3","4","3","5","7","1") = "6"
    & skf21("2","2","3","4","3","6","1","1") = "5"
    & skf21("2","2","3","4","3","6","2","1") = "5"
    & skf21("2","2","3","4","3","6","3","1") = "5"
    & skf21("2","2","3","4","3","6","4","1") = "5"
    & skf21("2","2","3","4","3","6","5","1") = "5"
    & skf21("2","2","3","4","3","6","6","1") = "5"
    & skf21("2","2","3","4","3","6","7","1") = "6"
    & skf21("2","2","3","4","3","7","1","1") = "6"
    & skf21("2","2","3","4","3","7","2","1") = "6"
    & skf21("2","2","3","4","3","7","3","1") = "6"
    & skf21("2","2","3","4","3","7","4","1") = "6"
    & skf21("2","2","3","4","3","7","5","1") = "6"
    & skf21("2","2","3","4","3","7","6","1") = "6"
    & skf21("2","2","3","4","3","7","7","1") = "6"
    & skf21("2","2","3","4","4","1","1","1") = "3"
    & skf21("2","2","3","4","4","1","2","1") = "3"
    & skf21("2","2","3","4","4","1","3","1") = "3"
    & skf21("2","2","3","4","4","1","4","1") = "3"
    & skf21("2","2","3","4","4","1","5","1") = "4"
    & skf21("2","2","3","4","4","1","6","1") = "5"
    & skf21("2","2","3","4","4","1","7","1") = "6"
    & skf21("2","2","3","4","4","2","1","1") = "3"
    & skf21("2","2","3","4","4","2","2","1") = "3"
    & skf21("2","2","3","4","4","2","3","1") = "3"
    & skf21("2","2","3","4","4","2","4","1") = "3"
    & skf21("2","2","3","4","4","2","5","1") = "4"
    & skf21("2","2","3","4","4","2","6","1") = "5"
    & skf21("2","2","3","4","4","2","7","1") = "6"
    & skf21("2","2","3","4","4","3","1","1") = "3"
    & skf21("2","2","3","4","4","3","2","1") = "3"
    & skf21("2","2","3","4","4","3","3","1") = "3"
    & skf21("2","2","3","4","4","3","4","1") = "3"
    & skf21("2","2","3","4","4","3","5","1") = "4"
    & skf21("2","2","3","4","4","3","6","1") = "5"
    & skf21("2","2","3","4","4","3","7","1") = "6"
    & skf21("2","2","3","4","4","4","1","1") = "3"
    & skf21("2","2","3","4","4","4","2","1") = "3"
    & skf21("2","2","3","4","4","4","3","1") = "3"
    & skf21("2","2","3","4","4","4","4","1") = "3"
    & skf21("2","2","3","4","4","4","5","1") = "4"
    & skf21("2","2","3","4","4","4","6","1") = "5"
    & skf21("2","2","3","4","4","4","7","1") = "6"
    & skf21("2","2","3","4","4","5","1","1") = "4"
    & skf21("2","2","3","4","4","5","2","1") = "4"
    & skf21("2","2","3","4","4","5","3","1") = "4"
    & skf21("2","2","3","4","4","5","4","1") = "4"
    & skf21("2","2","3","4","4","5","5","1") = "4"
    & skf21("2","2","3","4","4","5","6","1") = "5"
    & skf21("2","2","3","4","4","5","7","1") = "6"
    & skf21("2","2","3","4","4","6","1","1") = "5"
    & skf21("2","2","3","4","4","6","2","1") = "5"
    & skf21("2","2","3","4","4","6","3","1") = "5"
    & skf21("2","2","3","4","4","6","4","1") = "5"
    & skf21("2","2","3","4","4","6","5","1") = "5"
    & skf21("2","2","3","4","4","6","6","1") = "5"
    & skf21("2","2","3","4","4","6","7","1") = "6"
    & skf21("2","2","3","4","4","7","1","1") = "6"
    & skf21("2","2","3","4","4","7","2","1") = "6"
    & skf21("2","2","3","4","4","7","3","1") = "6"
    & skf21("2","2","3","4","4","7","4","1") = "6"
    & skf21("2","2","3","4","4","7","5","1") = "6"
    & skf21("2","2","3","4","4","7","6","1") = "6"
    & skf21("2","2","3","4","4","7","7","1") = "6"
    & skf21("2","2","3","4","5","1","1","1") = "4"
    & skf21("2","2","3","4","5","1","2","1") = "4"
    & skf21("2","2","3","4","5","1","3","1") = "4"
    & skf21("2","2","3","4","5","1","4","1") = "4"
    & skf21("2","2","3","4","5","1","5","1") = "4"
    & skf21("2","2","3","4","5","1","6","1") = "5"
    & skf21("2","2","3","4","5","1","7","1") = "6"
    & skf21("2","2","3","4","5","2","1","1") = "4"
    & skf21("2","2","3","4","5","2","2","1") = "4"
    & skf21("2","2","3","4","5","2","3","1") = "4"
    & skf21("2","2","3","4","5","2","4","1") = "4"
    & skf21("2","2","3","4","5","2","5","1") = "4"
    & skf21("2","2","3","4","5","2","6","1") = "5"
    & skf21("2","2","3","4","5","2","7","1") = "6"
    & skf21("2","2","3","4","5","3","1","1") = "4"
    & skf21("2","2","3","4","5","3","2","1") = "4"
    & skf21("2","2","3","4","5","3","3","1") = "4"
    & skf21("2","2","3","4","5","3","4","1") = "4"
    & skf21("2","2","3","4","5","3","5","1") = "4"
    & skf21("2","2","3","4","5","3","6","1") = "5"
    & skf21("2","2","3","4","5","3","7","1") = "6"
    & skf21("2","2","3","4","5","4","1","1") = "4"
    & skf21("2","2","3","4","5","4","2","1") = "4"
    & skf21("2","2","3","4","5","4","3","1") = "4"
    & skf21("2","2","3","4","5","4","4","1") = "4"
    & skf21("2","2","3","4","5","4","5","1") = "4"
    & skf21("2","2","3","4","5","4","6","1") = "5"
    & skf21("2","2","3","4","5","4","7","1") = "6"
    & skf21("2","2","3","4","5","5","1","1") = "4"
    & skf21("2","2","3","4","5","5","2","1") = "4"
    & skf21("2","2","3","4","5","5","3","1") = "4"
    & skf21("2","2","3","4","5","5","4","1") = "4"
    & skf21("2","2","3","4","5","5","5","1") = "4"
    & skf21("2","2","3","4","5","5","6","1") = "5"
    & skf21("2","2","3","4","5","5","7","1") = "6"
    & skf21("2","2","3","4","5","6","1","1") = "5"
    & skf21("2","2","3","4","5","6","2","1") = "5"
    & skf21("2","2","3","4","5","6","3","1") = "5"
    & skf21("2","2","3","4","5","6","4","1") = "5"
    & skf21("2","2","3","4","5","6","5","1") = "5"
    & skf21("2","2","3","4","5","6","6","1") = "5"
    & skf21("2","2","3","4","5","6","7","1") = "6"
    & skf21("2","2","3","4","5","7","1","1") = "6"
    & skf21("2","2","3","4","5","7","2","1") = "6"
    & skf21("2","2","3","4","5","7","3","1") = "6"
    & skf21("2","2","3","4","5","7","4","1") = "6"
    & skf21("2","2","3","4","5","7","5","1") = "6"
    & skf21("2","2","3","4","5","7","6","1") = "6"
    & skf21("2","2","3","4","5","7","7","1") = "6"
    & skf21("2","2","3","4","6","1","1","1") = "5"
    & skf21("2","2","3","4","6","1","2","1") = "5"
    & skf21("2","2","3","4","6","1","3","1") = "5"
    & skf21("2","2","3","4","6","1","4","1") = "5"
    & skf21("2","2","3","4","6","1","5","1") = "5"
    & skf21("2","2","3","4","6","1","6","1") = "5"
    & skf21("2","2","3","4","6","1","7","1") = "6"
    & skf21("2","2","3","4","6","2","1","1") = "5"
    & skf21("2","2","3","4","6","2","2","1") = "5"
    & skf21("2","2","3","4","6","2","3","1") = "5"
    & skf21("2","2","3","4","6","2","4","1") = "5"
    & skf21("2","2","3","4","6","2","5","1") = "5"
    & skf21("2","2","3","4","6","2","6","1") = "5"
    & skf21("2","2","3","4","6","2","7","1") = "6"
    & skf21("2","2","3","4","6","3","1","1") = "5"
    & skf21("2","2","3","4","6","3","2","1") = "5"
    & skf21("2","2","3","4","6","3","3","1") = "5"
    & skf21("2","2","3","4","6","3","4","1") = "5"
    & skf21("2","2","3","4","6","3","5","1") = "5"
    & skf21("2","2","3","4","6","3","6","1") = "5"
    & skf21("2","2","3","4","6","3","7","1") = "6"
    & skf21("2","2","3","4","6","4","1","1") = "5"
    & skf21("2","2","3","4","6","4","2","1") = "5"
    & skf21("2","2","3","4","6","4","3","1") = "5"
    & skf21("2","2","3","4","6","4","4","1") = "5"
    & skf21("2","2","3","4","6","4","5","1") = "5"
    & skf21("2","2","3","4","6","4","6","1") = "5"
    & skf21("2","2","3","4","6","4","7","1") = "6"
    & skf21("2","2","3","4","6","5","1","1") = "5"
    & skf21("2","2","3","4","6","5","2","1") = "5"
    & skf21("2","2","3","4","6","5","3","1") = "5"
    & skf21("2","2","3","4","6","5","4","1") = "5"
    & skf21("2","2","3","4","6","5","5","1") = "5"
    & skf21("2","2","3","4","6","5","6","1") = "5"
    & skf21("2","2","3","4","6","5","7","1") = "6"
    & skf21("2","2","3","4","6","6","1","1") = "5"
    & skf21("2","2","3","4","6","6","2","1") = "5"
    & skf21("2","2","3","4","6","6","3","1") = "5"
    & skf21("2","2","3","4","6","6","4","1") = "5"
    & skf21("2","2","3","4","6","6","5","1") = "5"
    & skf21("2","2","3","4","6","6","6","1") = "5"
    & skf21("2","2","3","4","6","6","7","1") = "6"
    & skf21("2","2","3","4","6","7","1","1") = "6"
    & skf21("2","2","3","4","6","7","2","1") = "6"
    & skf21("2","2","3","4","6","7","3","1") = "6"
    & skf21("2","2","3","4","6","7","4","1") = "6"
    & skf21("2","2","3","4","6","7","5","1") = "6"
    & skf21("2","2","3","4","6","7","6","1") = "6"
    & skf21("2","2","3","4","6","7","7","1") = "6"
    & skf21("2","2","3","4","7","1","1","1") = "6"
    & skf21("2","2","3","4","7","1","2","1") = "6"
    & skf21("2","2","3","4","7","1","3","1") = "6"
    & skf21("2","2","3","4","7","1","4","1") = "6"
    & skf21("2","2","3","4","7","1","5","1") = "6"
    & skf21("2","2","3","4","7","1","6","1") = "6"
    & skf21("2","2","3","4","7","1","7","1") = "6"
    & skf21("2","2","3","4","7","2","1","1") = "6"
    & skf21("2","2","3","4","7","2","2","1") = "6"
    & skf21("2","2","3","4","7","2","3","1") = "6"
    & skf21("2","2","3","4","7","2","4","1") = "6"
    & skf21("2","2","3","4","7","2","5","1") = "6"
    & skf21("2","2","3","4","7","2","6","1") = "6"
    & skf21("2","2","3","4","7","2","7","1") = "6"
    & skf21("2","2","3","4","7","3","1","1") = "6"
    & skf21("2","2","3","4","7","3","2","1") = "6"
    & skf21("2","2","3","4","7","3","3","1") = "6"
    & skf21("2","2","3","4","7","3","4","1") = "6"
    & skf21("2","2","3","4","7","3","5","1") = "6"
    & skf21("2","2","3","4","7","3","6","1") = "6"
    & skf21("2","2","3","4","7","3","7","1") = "6"
    & skf21("2","2","3","4","7","4","1","1") = "6"
    & skf21("2","2","3","4","7","4","2","1") = "6"
    & skf21("2","2","3","4","7","4","3","1") = "6"
    & skf21("2","2","3","4","7","4","4","1") = "6"
    & skf21("2","2","3","4","7","4","5","1") = "6"
    & skf21("2","2","3","4","7","4","6","1") = "6"
    & skf21("2","2","3","4","7","4","7","1") = "6"
    & skf21("2","2","3","4","7","5","1","1") = "6"
    & skf21("2","2","3","4","7","5","2","1") = "6"
    & skf21("2","2","3","4","7","5","3","1") = "6"
    & skf21("2","2","3","4","7","5","4","1") = "6"
    & skf21("2","2","3","4","7","5","5","1") = "6"
    & skf21("2","2","3","4","7","5","6","1") = "6"
    & skf21("2","2","3","4","7","5","7","1") = "6"
    & skf21("2","2","3","4","7","6","1","1") = "6"
    & skf21("2","2","3","4","7","6","2","1") = "6"
    & skf21("2","2","3","4","7","6","3","1") = "6"
    & skf21("2","2","3","4","7","6","4","1") = "6"
    & skf21("2","2","3","4","7","6","5","1") = "6"
    & skf21("2","2","3","4","7","6","6","1") = "6"
    & skf21("2","2","3","4","7","6","7","1") = "6"
    & skf21("2","2","3","4","7","7","1","1") = "6"
    & skf21("2","2","3","4","7","7","2","1") = "6"
    & skf21("2","2","3","4","7","7","3","1") = "6"
    & skf21("2","2","3","4","7","7","4","1") = "6"
    & skf21("2","2","3","4","7","7","5","1") = "6"
    & skf21("2","2","3","4","7","7","6","1") = "6"
    & skf21("2","2","3","4","7","7","7","1") = "6"
    & skf21("2","2","3","5","1","1","1","1") = "4"
    & skf21("2","2","3","5","1","1","2","1") = "4"
    & skf21("2","2","3","5","1","1","3","1") = "4"
    & skf21("2","2","3","5","1","1","4","1") = "4"
    & skf21("2","2","3","5","1","1","5","1") = "4"
    & skf21("2","2","3","5","1","1","6","1") = "5"
    & skf21("2","2","3","5","1","1","7","1") = "6"
    & skf21("2","2","3","5","1","2","1","1") = "4"
    & skf21("2","2","3","5","1","2","2","1") = "4"
    & skf21("2","2","3","5","1","2","3","1") = "4"
    & skf21("2","2","3","5","1","2","4","1") = "4"
    & skf21("2","2","3","5","1","2","5","1") = "4"
    & skf21("2","2","3","5","1","2","6","1") = "5"
    & skf21("2","2","3","5","1","2","7","1") = "6"
    & skf21("2","2","3","5","1","3","1","1") = "4"
    & skf21("2","2","3","5","1","3","2","1") = "4"
    & skf21("2","2","3","5","1","3","3","1") = "4"
    & skf21("2","2","3","5","1","3","4","1") = "4"
    & skf21("2","2","3","5","1","3","5","1") = "4"
    & skf21("2","2","3","5","1","3","6","1") = "5"
    & skf21("2","2","3","5","1","3","7","1") = "6"
    & skf21("2","2","3","5","1","4","1","1") = "4"
    & skf21("2","2","3","5","1","4","2","1") = "4"
    & skf21("2","2","3","5","1","4","3","1") = "4"
    & skf21("2","2","3","5","1","4","4","1") = "4"
    & skf21("2","2","3","5","1","4","5","1") = "4"
    & skf21("2","2","3","5","1","4","6","1") = "5"
    & skf21("2","2","3","5","1","4","7","1") = "6"
    & skf21("2","2","3","5","1","5","1","1") = "4"
    & skf21("2","2","3","5","1","5","2","1") = "4"
    & skf21("2","2","3","5","1","5","3","1") = "4"
    & skf21("2","2","3","5","1","5","4","1") = "4"
    & skf21("2","2","3","5","1","5","5","1") = "4"
    & skf21("2","2","3","5","1","5","6","1") = "5"
    & skf21("2","2","3","5","1","5","7","1") = "6"
    & skf21("2","2","3","5","1","6","1","1") = "5"
    & skf21("2","2","3","5","1","6","2","1") = "5"
    & skf21("2","2","3","5","1","6","3","1") = "5"
    & skf21("2","2","3","5","1","6","4","1") = "5"
    & skf21("2","2","3","5","1","6","5","1") = "5"
    & skf21("2","2","3","5","1","6","6","1") = "5"
    & skf21("2","2","3","5","1","6","7","1") = "6"
    & skf21("2","2","3","5","1","7","1","1") = "6"
    & skf21("2","2","3","5","1","7","2","1") = "6"
    & skf21("2","2","3","5","1","7","3","1") = "6"
    & skf21("2","2","3","5","1","7","4","1") = "6"
    & skf21("2","2","3","5","1","7","5","1") = "6"
    & skf21("2","2","3","5","1","7","6","1") = "6"
    & skf21("2","2","3","5","1","7","7","1") = "6"
    & skf21("2","2","3","5","2","1","1","1") = "4"
    & skf21("2","2","3","5","2","1","2","1") = "4"
    & skf21("2","2","3","5","2","1","3","1") = "4"
    & skf21("2","2","3","5","2","1","4","1") = "4"
    & skf21("2","2","3","5","2","1","5","1") = "4"
    & skf21("2","2","3","5","2","1","6","1") = "5"
    & skf21("2","2","3","5","2","1","7","1") = "6"
    & skf21("2","2","3","5","2","2","1","1") = "4"
    & skf21("2","2","3","5","2","2","2","1") = "4"
    & skf21("2","2","3","5","2","2","3","1") = "4"
    & skf21("2","2","3","5","2","2","4","1") = "4"
    & skf21("2","2","3","5","2","2","5","1") = "4"
    & skf21("2","2","3","5","2","2","6","1") = "5"
    & skf21("2","2","3","5","2","2","7","1") = "6"
    & skf21("2","2","3","5","2","3","1","1") = "4"
    & skf21("2","2","3","5","2","3","2","1") = "4"
    & skf21("2","2","3","5","2","3","3","1") = "4"
    & skf21("2","2","3","5","2","3","4","1") = "4"
    & skf21("2","2","3","5","2","3","5","1") = "4"
    & skf21("2","2","3","5","2","3","6","1") = "5"
    & skf21("2","2","3","5","2","3","7","1") = "6"
    & skf21("2","2","3","5","2","4","1","1") = "4"
    & skf21("2","2","3","5","2","4","2","1") = "4"
    & skf21("2","2","3","5","2","4","3","1") = "4"
    & skf21("2","2","3","5","2","4","4","1") = "4"
    & skf21("2","2","3","5","2","4","5","1") = "4"
    & skf21("2","2","3","5","2","4","6","1") = "5"
    & skf21("2","2","3","5","2","4","7","1") = "6"
    & skf21("2","2","3","5","2","5","1","1") = "4"
    & skf21("2","2","3","5","2","5","2","1") = "4"
    & skf21("2","2","3","5","2","5","3","1") = "4"
    & skf21("2","2","3","5","2","5","4","1") = "4"
    & skf21("2","2","3","5","2","5","5","1") = "4"
    & skf21("2","2","3","5","2","5","6","1") = "5"
    & skf21("2","2","3","5","2","5","7","1") = "6"
    & skf21("2","2","3","5","2","6","1","1") = "5"
    & skf21("2","2","3","5","2","6","2","1") = "5"
    & skf21("2","2","3","5","2","6","3","1") = "5"
    & skf21("2","2","3","5","2","6","4","1") = "5"
    & skf21("2","2","3","5","2","6","5","1") = "5"
    & skf21("2","2","3","5","2","6","6","1") = "5"
    & skf21("2","2","3","5","2","6","7","1") = "6"
    & skf21("2","2","3","5","2","7","1","1") = "6"
    & skf21("2","2","3","5","2","7","2","1") = "6"
    & skf21("2","2","3","5","2","7","3","1") = "6"
    & skf21("2","2","3","5","2","7","4","1") = "6"
    & skf21("2","2","3","5","2","7","5","1") = "6"
    & skf21("2","2","3","5","2","7","6","1") = "6"
    & skf21("2","2","3","5","2","7","7","1") = "6"
    & skf21("2","2","3","5","3","1","1","1") = "4"
    & skf21("2","2","3","5","3","1","2","1") = "4"
    & skf21("2","2","3","5","3","1","3","1") = "4"
    & skf21("2","2","3","5","3","1","4","1") = "4"
    & skf21("2","2","3","5","3","1","5","1") = "4"
    & skf21("2","2","3","5","3","1","6","1") = "5"
    & skf21("2","2","3","5","3","1","7","1") = "6"
    & skf21("2","2","3","5","3","2","1","1") = "4"
    & skf21("2","2","3","5","3","2","2","1") = "4"
    & skf21("2","2","3","5","3","2","3","1") = "4"
    & skf21("2","2","3","5","3","2","4","1") = "4"
    & skf21("2","2","3","5","3","2","5","1") = "4"
    & skf21("2","2","3","5","3","2","6","1") = "5"
    & skf21("2","2","3","5","3","2","7","1") = "6"
    & skf21("2","2","3","5","3","3","1","1") = "4"
    & skf21("2","2","3","5","3","3","2","1") = "4"
    & skf21("2","2","3","5","3","3","3","1") = "4"
    & skf21("2","2","3","5","3","3","4","1") = "4"
    & skf21("2","2","3","5","3","3","5","1") = "4"
    & skf21("2","2","3","5","3","3","6","1") = "5"
    & skf21("2","2","3","5","3","3","7","1") = "6"
    & skf21("2","2","3","5","3","4","1","1") = "4"
    & skf21("2","2","3","5","3","4","2","1") = "4"
    & skf21("2","2","3","5","3","4","3","1") = "4"
    & skf21("2","2","3","5","3","4","4","1") = "4"
    & skf21("2","2","3","5","3","4","5","1") = "4"
    & skf21("2","2","3","5","3","4","6","1") = "5"
    & skf21("2","2","3","5","3","4","7","1") = "6"
    & skf21("2","2","3","5","3","5","1","1") = "4"
    & skf21("2","2","3","5","3","5","2","1") = "4"
    & skf21("2","2","3","5","3","5","3","1") = "4"
    & skf21("2","2","3","5","3","5","4","1") = "4"
    & skf21("2","2","3","5","3","5","5","1") = "4"
    & skf21("2","2","3","5","3","5","6","1") = "5"
    & skf21("2","2","3","5","3","5","7","1") = "6"
    & skf21("2","2","3","5","3","6","1","1") = "5"
    & skf21("2","2","3","5","3","6","2","1") = "5"
    & skf21("2","2","3","5","3","6","3","1") = "5"
    & skf21("2","2","3","5","3","6","4","1") = "5"
    & skf21("2","2","3","5","3","6","5","1") = "5"
    & skf21("2","2","3","5","3","6","6","1") = "5"
    & skf21("2","2","3","5","3","6","7","1") = "6"
    & skf21("2","2","3","5","3","7","1","1") = "6"
    & skf21("2","2","3","5","3","7","2","1") = "6"
    & skf21("2","2","3","5","3","7","3","1") = "6"
    & skf21("2","2","3","5","3","7","4","1") = "6"
    & skf21("2","2","3","5","3","7","5","1") = "6"
    & skf21("2","2","3","5","3","7","6","1") = "6"
    & skf21("2","2","3","5","3","7","7","1") = "6"
    & skf21("2","2","3","5","4","1","1","1") = "4"
    & skf21("2","2","3","5","4","1","2","1") = "4"
    & skf21("2","2","3","5","4","1","3","1") = "4"
    & skf21("2","2","3","5","4","1","4","1") = "4"
    & skf21("2","2","3","5","4","1","5","1") = "4"
    & skf21("2","2","3","5","4","1","6","1") = "5"
    & skf21("2","2","3","5","4","1","7","1") = "6"
    & skf21("2","2","3","5","4","2","1","1") = "4"
    & skf21("2","2","3","5","4","2","2","1") = "4"
    & skf21("2","2","3","5","4","2","3","1") = "4"
    & skf21("2","2","3","5","4","2","4","1") = "4"
    & skf21("2","2","3","5","4","2","5","1") = "4"
    & skf21("2","2","3","5","4","2","6","1") = "5"
    & skf21("2","2","3","5","4","2","7","1") = "6"
    & skf21("2","2","3","5","4","3","1","1") = "4"
    & skf21("2","2","3","5","4","3","2","1") = "4"
    & skf21("2","2","3","5","4","3","3","1") = "4"
    & skf21("2","2","3","5","4","3","4","1") = "4"
    & skf21("2","2","3","5","4","3","5","1") = "4"
    & skf21("2","2","3","5","4","3","6","1") = "5"
    & skf21("2","2","3","5","4","3","7","1") = "6"
    & skf21("2","2","3","5","4","4","1","1") = "4"
    & skf21("2","2","3","5","4","4","2","1") = "4"
    & skf21("2","2","3","5","4","4","3","1") = "4"
    & skf21("2","2","3","5","4","4","4","1") = "4"
    & skf21("2","2","3","5","4","4","5","1") = "4"
    & skf21("2","2","3","5","4","4","6","1") = "5"
    & skf21("2","2","3","5","4","4","7","1") = "6"
    & skf21("2","2","3","5","4","5","1","1") = "4"
    & skf21("2","2","3","5","4","5","2","1") = "4"
    & skf21("2","2","3","5","4","5","3","1") = "4"
    & skf21("2","2","3","5","4","5","4","1") = "4"
    & skf21("2","2","3","5","4","5","5","1") = "4"
    & skf21("2","2","3","5","4","5","6","1") = "5"
    & skf21("2","2","3","5","4","5","7","1") = "6"
    & skf21("2","2","3","5","4","6","1","1") = "5"
    & skf21("2","2","3","5","4","6","2","1") = "5"
    & skf21("2","2","3","5","4","6","3","1") = "5"
    & skf21("2","2","3","5","4","6","4","1") = "5"
    & skf21("2","2","3","5","4","6","5","1") = "5"
    & skf21("2","2","3","5","4","6","6","1") = "5"
    & skf21("2","2","3","5","4","6","7","1") = "6"
    & skf21("2","2","3","5","4","7","1","1") = "6"
    & skf21("2","2","3","5","4","7","2","1") = "6"
    & skf21("2","2","3","5","4","7","3","1") = "6"
    & skf21("2","2","3","5","4","7","4","1") = "6"
    & skf21("2","2","3","5","4","7","5","1") = "6"
    & skf21("2","2","3","5","4","7","6","1") = "6"
    & skf21("2","2","3","5","4","7","7","1") = "6"
    & skf21("2","2","3","5","5","1","1","1") = "4"
    & skf21("2","2","3","5","5","1","2","1") = "4"
    & skf21("2","2","3","5","5","1","3","1") = "4"
    & skf21("2","2","3","5","5","1","4","1") = "4"
    & skf21("2","2","3","5","5","1","5","1") = "4"
    & skf21("2","2","3","5","5","1","6","1") = "5"
    & skf21("2","2","3","5","5","1","7","1") = "6"
    & skf21("2","2","3","5","5","2","1","1") = "4"
    & skf21("2","2","3","5","5","2","2","1") = "4"
    & skf21("2","2","3","5","5","2","3","1") = "4"
    & skf21("2","2","3","5","5","2","4","1") = "4"
    & skf21("2","2","3","5","5","2","5","1") = "4"
    & skf21("2","2","3","5","5","2","6","1") = "5"
    & skf21("2","2","3","5","5","2","7","1") = "6"
    & skf21("2","2","3","5","5","3","1","1") = "4"
    & skf21("2","2","3","5","5","3","2","1") = "4"
    & skf21("2","2","3","5","5","3","3","1") = "4"
    & skf21("2","2","3","5","5","3","4","1") = "4"
    & skf21("2","2","3","5","5","3","5","1") = "4"
    & skf21("2","2","3","5","5","3","6","1") = "5"
    & skf21("2","2","3","5","5","3","7","1") = "6"
    & skf21("2","2","3","5","5","4","1","1") = "4"
    & skf21("2","2","3","5","5","4","2","1") = "4"
    & skf21("2","2","3","5","5","4","3","1") = "4"
    & skf21("2","2","3","5","5","4","4","1") = "4"
    & skf21("2","2","3","5","5","4","5","1") = "4"
    & skf21("2","2","3","5","5","4","6","1") = "5"
    & skf21("2","2","3","5","5","4","7","1") = "6"
    & skf21("2","2","3","5","5","5","1","1") = "4"
    & skf21("2","2","3","5","5","5","2","1") = "4"
    & skf21("2","2","3","5","5","5","3","1") = "4"
    & skf21("2","2","3","5","5","5","4","1") = "4"
    & skf21("2","2","3","5","5","5","5","1") = "4"
    & skf21("2","2","3","5","5","5","6","1") = "5"
    & skf21("2","2","3","5","5","5","7","1") = "6"
    & skf21("2","2","3","5","5","6","1","1") = "5"
    & skf21("2","2","3","5","5","6","2","1") = "5"
    & skf21("2","2","3","5","5","6","3","1") = "5"
    & skf21("2","2","3","5","5","6","4","1") = "5"
    & skf21("2","2","3","5","5","6","5","1") = "5"
    & skf21("2","2","3","5","5","6","6","1") = "5"
    & skf21("2","2","3","5","5","6","7","1") = "6"
    & skf21("2","2","3","5","5","7","1","1") = "6"
    & skf21("2","2","3","5","5","7","2","1") = "6"
    & skf21("2","2","3","5","5","7","3","1") = "6"
    & skf21("2","2","3","5","5","7","4","1") = "6"
    & skf21("2","2","3","5","5","7","5","1") = "6"
    & skf21("2","2","3","5","5","7","6","1") = "6"
    & skf21("2","2","3","5","5","7","7","1") = "6"
    & skf21("2","2","3","5","6","1","1","1") = "5"
    & skf21("2","2","3","5","6","1","2","1") = "5"
    & skf21("2","2","3","5","6","1","3","1") = "5"
    & skf21("2","2","3","5","6","1","4","1") = "5"
    & skf21("2","2","3","5","6","1","5","1") = "5"
    & skf21("2","2","3","5","6","1","6","1") = "5"
    & skf21("2","2","3","5","6","1","7","1") = "6"
    & skf21("2","2","3","5","6","2","1","1") = "5"
    & skf21("2","2","3","5","6","2","2","1") = "5"
    & skf21("2","2","3","5","6","2","3","1") = "5"
    & skf21("2","2","3","5","6","2","4","1") = "5"
    & skf21("2","2","3","5","6","2","5","1") = "5"
    & skf21("2","2","3","5","6","2","6","1") = "5"
    & skf21("2","2","3","5","6","2","7","1") = "6"
    & skf21("2","2","3","5","6","3","1","1") = "5"
    & skf21("2","2","3","5","6","3","2","1") = "5"
    & skf21("2","2","3","5","6","3","3","1") = "5"
    & skf21("2","2","3","5","6","3","4","1") = "5"
    & skf21("2","2","3","5","6","3","5","1") = "5"
    & skf21("2","2","3","5","6","3","6","1") = "5"
    & skf21("2","2","3","5","6","3","7","1") = "6"
    & skf21("2","2","3","5","6","4","1","1") = "5"
    & skf21("2","2","3","5","6","4","2","1") = "5"
    & skf21("2","2","3","5","6","4","3","1") = "5"
    & skf21("2","2","3","5","6","4","4","1") = "5"
    & skf21("2","2","3","5","6","4","5","1") = "5"
    & skf21("2","2","3","5","6","4","6","1") = "5"
    & skf21("2","2","3","5","6","4","7","1") = "6"
    & skf21("2","2","3","5","6","5","1","1") = "5"
    & skf21("2","2","3","5","6","5","2","1") = "5"
    & skf21("2","2","3","5","6","5","3","1") = "5"
    & skf21("2","2","3","5","6","5","4","1") = "5"
    & skf21("2","2","3","5","6","5","5","1") = "5"
    & skf21("2","2","3","5","6","5","6","1") = "5"
    & skf21("2","2","3","5","6","5","7","1") = "6"
    & skf21("2","2","3","5","6","6","1","1") = "5"
    & skf21("2","2","3","5","6","6","2","1") = "5"
    & skf21("2","2","3","5","6","6","3","1") = "5"
    & skf21("2","2","3","5","6","6","4","1") = "5"
    & skf21("2","2","3","5","6","6","5","1") = "5"
    & skf21("2","2","3","5","6","6","6","1") = "5"
    & skf21("2","2","3","5","6","6","7","1") = "6"
    & skf21("2","2","3","5","6","7","1","1") = "6"
    & skf21("2","2","3","5","6","7","2","1") = "6"
    & skf21("2","2","3","5","6","7","3","1") = "6"
    & skf21("2","2","3","5","6","7","4","1") = "6"
    & skf21("2","2","3","5","6","7","5","1") = "6"
    & skf21("2","2","3","5","6","7","6","1") = "6"
    & skf21("2","2","3","5","6","7","7","1") = "6"
    & skf21("2","2","3","5","7","1","1","1") = "6"
    & skf21("2","2","3","5","7","1","2","1") = "6"
    & skf21("2","2","3","5","7","1","3","1") = "6"
    & skf21("2","2","3","5","7","1","4","1") = "6"
    & skf21("2","2","3","5","7","1","5","1") = "6"
    & skf21("2","2","3","5","7","1","6","1") = "6"
    & skf21("2","2","3","5","7","1","7","1") = "6"
    & skf21("2","2","3","5","7","2","1","1") = "6"
    & skf21("2","2","3","5","7","2","2","1") = "6"
    & skf21("2","2","3","5","7","2","3","1") = "6"
    & skf21("2","2","3","5","7","2","4","1") = "6"
    & skf21("2","2","3","5","7","2","5","1") = "6"
    & skf21("2","2","3","5","7","2","6","1") = "6"
    & skf21("2","2","3","5","7","2","7","1") = "6"
    & skf21("2","2","3","5","7","3","1","1") = "6"
    & skf21("2","2","3","5","7","3","2","1") = "6"
    & skf21("2","2","3","5","7","3","3","1") = "6"
    & skf21("2","2","3","5","7","3","4","1") = "6"
    & skf21("2","2","3","5","7","3","5","1") = "6"
    & skf21("2","2","3","5","7","3","6","1") = "6"
    & skf21("2","2","3","5","7","3","7","1") = "6"
    & skf21("2","2","3","5","7","4","1","1") = "6"
    & skf21("2","2","3","5","7","4","2","1") = "6"
    & skf21("2","2","3","5","7","4","3","1") = "6"
    & skf21("2","2","3","5","7","4","4","1") = "6"
    & skf21("2","2","3","5","7","4","5","1") = "6"
    & skf21("2","2","3","5","7","4","6","1") = "6"
    & skf21("2","2","3","5","7","4","7","1") = "6"
    & skf21("2","2","3","5","7","5","1","1") = "6"
    & skf21("2","2","3","5","7","5","2","1") = "6"
    & skf21("2","2","3","5","7","5","3","1") = "6"
    & skf21("2","2","3","5","7","5","4","1") = "6"
    & skf21("2","2","3","5","7","5","5","1") = "6"
    & skf21("2","2","3","5","7","5","6","1") = "6"
    & skf21("2","2","3","5","7","5","7","1") = "6"
    & skf21("2","2","3","5","7","6","1","1") = "6"
    & skf21("2","2","3","5","7","6","2","1") = "6"
    & skf21("2","2","3","5","7","6","3","1") = "6"
    & skf21("2","2","3","5","7","6","4","1") = "6"
    & skf21("2","2","3","5","7","6","5","1") = "6"
    & skf21("2","2","3","5","7","6","6","1") = "6"
    & skf21("2","2","3","5","7","6","7","1") = "6"
    & skf21("2","2","3","5","7","7","1","1") = "6"
    & skf21("2","2","3","5","7","7","2","1") = "6"
    & skf21("2","2","3","5","7","7","3","1") = "6"
    & skf21("2","2","3","5","7","7","4","1") = "6"
    & skf21("2","2","3","5","7","7","5","1") = "6"
    & skf21("2","2","3","5","7","7","6","1") = "6"
    & skf21("2","2","3","5","7","7","7","1") = "6"
    & skf21("2","2","3","6","1","1","1","1") = "5"
    & skf21("2","2","3","6","1","1","2","1") = "5"
    & skf21("2","2","3","6","1","1","3","1") = "5"
    & skf21("2","2","3","6","1","1","4","1") = "5"
    & skf21("2","2","3","6","1","1","5","1") = "5"
    & skf21("2","2","3","6","1","1","6","1") = "5"
    & skf21("2","2","3","6","1","1","7","1") = "6"
    & skf21("2","2","3","6","1","2","1","1") = "5"
    & skf21("2","2","3","6","1","2","2","1") = "5"
    & skf21("2","2","3","6","1","2","3","1") = "5"
    & skf21("2","2","3","6","1","2","4","1") = "5"
    & skf21("2","2","3","6","1","2","5","1") = "5"
    & skf21("2","2","3","6","1","2","6","1") = "5"
    & skf21("2","2","3","6","1","2","7","1") = "6"
    & skf21("2","2","3","6","1","3","1","1") = "5"
    & skf21("2","2","3","6","1","3","2","1") = "5"
    & skf21("2","2","3","6","1","3","3","1") = "5"
    & skf21("2","2","3","6","1","3","4","1") = "5"
    & skf21("2","2","3","6","1","3","5","1") = "5"
    & skf21("2","2","3","6","1","3","6","1") = "5"
    & skf21("2","2","3","6","1","3","7","1") = "6"
    & skf21("2","2","3","6","1","4","1","1") = "5"
    & skf21("2","2","3","6","1","4","2","1") = "5"
    & skf21("2","2","3","6","1","4","3","1") = "5"
    & skf21("2","2","3","6","1","4","4","1") = "5"
    & skf21("2","2","3","6","1","4","5","1") = "5"
    & skf21("2","2","3","6","1","4","6","1") = "5"
    & skf21("2","2","3","6","1","4","7","1") = "6"
    & skf21("2","2","3","6","1","5","1","1") = "5"
    & skf21("2","2","3","6","1","5","2","1") = "5"
    & skf21("2","2","3","6","1","5","3","1") = "5"
    & skf21("2","2","3","6","1","5","4","1") = "5"
    & skf21("2","2","3","6","1","5","5","1") = "5"
    & skf21("2","2","3","6","1","5","6","1") = "5"
    & skf21("2","2","3","6","1","5","7","1") = "6"
    & skf21("2","2","3","6","1","6","1","1") = "5"
    & skf21("2","2","3","6","1","6","2","1") = "5"
    & skf21("2","2","3","6","1","6","3","1") = "5"
    & skf21("2","2","3","6","1","6","4","1") = "5"
    & skf21("2","2","3","6","1","6","5","1") = "5"
    & skf21("2","2","3","6","1","6","6","1") = "5"
    & skf21("2","2","3","6","1","6","7","1") = "6"
    & skf21("2","2","3","6","1","7","1","1") = "6"
    & skf21("2","2","3","6","1","7","2","1") = "6"
    & skf21("2","2","3","6","1","7","3","1") = "6"
    & skf21("2","2","3","6","1","7","4","1") = "6"
    & skf21("2","2","3","6","1","7","5","1") = "6"
    & skf21("2","2","3","6","1","7","6","1") = "6"
    & skf21("2","2","3","6","1","7","7","1") = "6"
    & skf21("2","2","3","6","2","1","1","1") = "5"
    & skf21("2","2","3","6","2","1","2","1") = "5"
    & skf21("2","2","3","6","2","1","3","1") = "5"
    & skf21("2","2","3","6","2","1","4","1") = "5"
    & skf21("2","2","3","6","2","1","5","1") = "5"
    & skf21("2","2","3","6","2","1","6","1") = "5"
    & skf21("2","2","3","6","2","1","7","1") = "6"
    & skf21("2","2","3","6","2","2","1","1") = "5"
    & skf21("2","2","3","6","2","2","2","1") = "5"
    & skf21("2","2","3","6","2","2","3","1") = "5"
    & skf21("2","2","3","6","2","2","4","1") = "5"
    & skf21("2","2","3","6","2","2","5","1") = "5"
    & skf21("2","2","3","6","2","2","6","1") = "5"
    & skf21("2","2","3","6","2","2","7","1") = "6"
    & skf21("2","2","3","6","2","3","1","1") = "5"
    & skf21("2","2","3","6","2","3","2","1") = "5"
    & skf21("2","2","3","6","2","3","3","1") = "5"
    & skf21("2","2","3","6","2","3","4","1") = "5"
    & skf21("2","2","3","6","2","3","5","1") = "5"
    & skf21("2","2","3","6","2","3","6","1") = "5"
    & skf21("2","2","3","6","2","3","7","1") = "6"
    & skf21("2","2","3","6","2","4","1","1") = "5"
    & skf21("2","2","3","6","2","4","2","1") = "5"
    & skf21("2","2","3","6","2","4","3","1") = "5"
    & skf21("2","2","3","6","2","4","4","1") = "5"
    & skf21("2","2","3","6","2","4","5","1") = "5"
    & skf21("2","2","3","6","2","4","6","1") = "5"
    & skf21("2","2","3","6","2","4","7","1") = "6"
    & skf21("2","2","3","6","2","5","1","1") = "5"
    & skf21("2","2","3","6","2","5","2","1") = "5"
    & skf21("2","2","3","6","2","5","3","1") = "5"
    & skf21("2","2","3","6","2","5","4","1") = "5"
    & skf21("2","2","3","6","2","5","5","1") = "5"
    & skf21("2","2","3","6","2","5","6","1") = "5"
    & skf21("2","2","3","6","2","5","7","1") = "6"
    & skf21("2","2","3","6","2","6","1","1") = "5"
    & skf21("2","2","3","6","2","6","2","1") = "5"
    & skf21("2","2","3","6","2","6","3","1") = "5"
    & skf21("2","2","3","6","2","6","4","1") = "5"
    & skf21("2","2","3","6","2","6","5","1") = "5"
    & skf21("2","2","3","6","2","6","6","1") = "5"
    & skf21("2","2","3","6","2","6","7","1") = "6"
    & skf21("2","2","3","6","2","7","1","1") = "6"
    & skf21("2","2","3","6","2","7","2","1") = "6"
    & skf21("2","2","3","6","2","7","3","1") = "6"
    & skf21("2","2","3","6","2","7","4","1") = "6"
    & skf21("2","2","3","6","2","7","5","1") = "6"
    & skf21("2","2","3","6","2","7","6","1") = "6"
    & skf21("2","2","3","6","2","7","7","1") = "6"
    & skf21("2","2","3","6","3","1","1","1") = "5"
    & skf21("2","2","3","6","3","1","2","1") = "5"
    & skf21("2","2","3","6","3","1","3","1") = "5"
    & skf21("2","2","3","6","3","1","4","1") = "5"
    & skf21("2","2","3","6","3","1","5","1") = "5"
    & skf21("2","2","3","6","3","1","6","1") = "5"
    & skf21("2","2","3","6","3","1","7","1") = "6"
    & skf21("2","2","3","6","3","2","1","1") = "5"
    & skf21("2","2","3","6","3","2","2","1") = "5"
    & skf21("2","2","3","6","3","2","3","1") = "5"
    & skf21("2","2","3","6","3","2","4","1") = "5"
    & skf21("2","2","3","6","3","2","5","1") = "5"
    & skf21("2","2","3","6","3","2","6","1") = "5"
    & skf21("2","2","3","6","3","2","7","1") = "6"
    & skf21("2","2","3","6","3","3","1","1") = "5"
    & skf21("2","2","3","6","3","3","2","1") = "5"
    & skf21("2","2","3","6","3","3","3","1") = "5"
    & skf21("2","2","3","6","3","3","4","1") = "5"
    & skf21("2","2","3","6","3","3","5","1") = "5"
    & skf21("2","2","3","6","3","3","6","1") = "5"
    & skf21("2","2","3","6","3","3","7","1") = "6"
    & skf21("2","2","3","6","3","4","1","1") = "5"
    & skf21("2","2","3","6","3","4","2","1") = "5"
    & skf21("2","2","3","6","3","4","3","1") = "5"
    & skf21("2","2","3","6","3","4","4","1") = "5"
    & skf21("2","2","3","6","3","4","5","1") = "5"
    & skf21("2","2","3","6","3","4","6","1") = "5"
    & skf21("2","2","3","6","3","4","7","1") = "6"
    & skf21("2","2","3","6","3","5","1","1") = "5"
    & skf21("2","2","3","6","3","5","2","1") = "5"
    & skf21("2","2","3","6","3","5","3","1") = "5"
    & skf21("2","2","3","6","3","5","4","1") = "5"
    & skf21("2","2","3","6","3","5","5","1") = "5"
    & skf21("2","2","3","6","3","5","6","1") = "5"
    & skf21("2","2","3","6","3","5","7","1") = "6"
    & skf21("2","2","3","6","3","6","1","1") = "5"
    & skf21("2","2","3","6","3","6","2","1") = "5"
    & skf21("2","2","3","6","3","6","3","1") = "5"
    & skf21("2","2","3","6","3","6","4","1") = "5"
    & skf21("2","2","3","6","3","6","5","1") = "5"
    & skf21("2","2","3","6","3","6","6","1") = "5"
    & skf21("2","2","3","6","3","6","7","1") = "6"
    & skf21("2","2","3","6","3","7","1","1") = "6"
    & skf21("2","2","3","6","3","7","2","1") = "6"
    & skf21("2","2","3","6","3","7","3","1") = "6"
    & skf21("2","2","3","6","3","7","4","1") = "6"
    & skf21("2","2","3","6","3","7","5","1") = "6"
    & skf21("2","2","3","6","3","7","6","1") = "6"
    & skf21("2","2","3","6","3","7","7","1") = "6"
    & skf21("2","2","3","6","4","1","1","1") = "5"
    & skf21("2","2","3","6","4","1","2","1") = "5"
    & skf21("2","2","3","6","4","1","3","1") = "5"
    & skf21("2","2","3","6","4","1","4","1") = "5"
    & skf21("2","2","3","6","4","1","5","1") = "5"
    & skf21("2","2","3","6","4","1","6","1") = "5"
    & skf21("2","2","3","6","4","1","7","1") = "6"
    & skf21("2","2","3","6","4","2","1","1") = "5"
    & skf21("2","2","3","6","4","2","2","1") = "5"
    & skf21("2","2","3","6","4","2","3","1") = "5"
    & skf21("2","2","3","6","4","2","4","1") = "5"
    & skf21("2","2","3","6","4","2","5","1") = "5"
    & skf21("2","2","3","6","4","2","6","1") = "5"
    & skf21("2","2","3","6","4","2","7","1") = "6"
    & skf21("2","2","3","6","4","3","1","1") = "5"
    & skf21("2","2","3","6","4","3","2","1") = "5"
    & skf21("2","2","3","6","4","3","3","1") = "5"
    & skf21("2","2","3","6","4","3","4","1") = "5"
    & skf21("2","2","3","6","4","3","5","1") = "5"
    & skf21("2","2","3","6","4","3","6","1") = "5"
    & skf21("2","2","3","6","4","3","7","1") = "6"
    & skf21("2","2","3","6","4","4","1","1") = "5"
    & skf21("2","2","3","6","4","4","2","1") = "5"
    & skf21("2","2","3","6","4","4","3","1") = "5"
    & skf21("2","2","3","6","4","4","4","1") = "5"
    & skf21("2","2","3","6","4","4","5","1") = "5"
    & skf21("2","2","3","6","4","4","6","1") = "5"
    & skf21("2","2","3","6","4","4","7","1") = "6"
    & skf21("2","2","3","6","4","5","1","1") = "5"
    & skf21("2","2","3","6","4","5","2","1") = "5"
    & skf21("2","2","3","6","4","5","3","1") = "5"
    & skf21("2","2","3","6","4","5","4","1") = "5"
    & skf21("2","2","3","6","4","5","5","1") = "5"
    & skf21("2","2","3","6","4","5","6","1") = "5"
    & skf21("2","2","3","6","4","5","7","1") = "6"
    & skf21("2","2","3","6","4","6","1","1") = "5"
    & skf21("2","2","3","6","4","6","2","1") = "5"
    & skf21("2","2","3","6","4","6","3","1") = "5"
    & skf21("2","2","3","6","4","6","4","1") = "5"
    & skf21("2","2","3","6","4","6","5","1") = "5"
    & skf21("2","2","3","6","4","6","6","1") = "5"
    & skf21("2","2","3","6","4","6","7","1") = "6"
    & skf21("2","2","3","6","4","7","1","1") = "6"
    & skf21("2","2","3","6","4","7","2","1") = "6"
    & skf21("2","2","3","6","4","7","3","1") = "6"
    & skf21("2","2","3","6","4","7","4","1") = "6"
    & skf21("2","2","3","6","4","7","5","1") = "6"
    & skf21("2","2","3","6","4","7","6","1") = "6"
    & skf21("2","2","3","6","4","7","7","1") = "6"
    & skf21("2","2","3","6","5","1","1","1") = "5"
    & skf21("2","2","3","6","5","1","2","1") = "5"
    & skf21("2","2","3","6","5","1","3","1") = "5"
    & skf21("2","2","3","6","5","1","4","1") = "5"
    & skf21("2","2","3","6","5","1","5","1") = "5"
    & skf21("2","2","3","6","5","1","6","1") = "5"
    & skf21("2","2","3","6","5","1","7","1") = "6"
    & skf21("2","2","3","6","5","2","1","1") = "5"
    & skf21("2","2","3","6","5","2","2","1") = "5"
    & skf21("2","2","3","6","5","2","3","1") = "5"
    & skf21("2","2","3","6","5","2","4","1") = "5"
    & skf21("2","2","3","6","5","2","5","1") = "5"
    & skf21("2","2","3","6","5","2","6","1") = "5"
    & skf21("2","2","3","6","5","2","7","1") = "6"
    & skf21("2","2","3","6","5","3","1","1") = "5"
    & skf21("2","2","3","6","5","3","2","1") = "5"
    & skf21("2","2","3","6","5","3","3","1") = "5"
    & skf21("2","2","3","6","5","3","4","1") = "5"
    & skf21("2","2","3","6","5","3","5","1") = "5"
    & skf21("2","2","3","6","5","3","6","1") = "5"
    & skf21("2","2","3","6","5","3","7","1") = "6"
    & skf21("2","2","3","6","5","4","1","1") = "5"
    & skf21("2","2","3","6","5","4","2","1") = "5"
    & skf21("2","2","3","6","5","4","3","1") = "5"
    & skf21("2","2","3","6","5","4","4","1") = "5"
    & skf21("2","2","3","6","5","4","5","1") = "5"
    & skf21("2","2","3","6","5","4","6","1") = "5"
    & skf21("2","2","3","6","5","4","7","1") = "6"
    & skf21("2","2","3","6","5","5","1","1") = "5"
    & skf21("2","2","3","6","5","5","2","1") = "5"
    & skf21("2","2","3","6","5","5","3","1") = "5"
    & skf21("2","2","3","6","5","5","4","1") = "5"
    & skf21("2","2","3","6","5","5","5","1") = "5"
    & skf21("2","2","3","6","5","5","6","1") = "5"
    & skf21("2","2","3","6","5","5","7","1") = "6"
    & skf21("2","2","3","6","5","6","1","1") = "5"
    & skf21("2","2","3","6","5","6","2","1") = "5"
    & skf21("2","2","3","6","5","6","3","1") = "5"
    & skf21("2","2","3","6","5","6","4","1") = "5"
    & skf21("2","2","3","6","5","6","5","1") = "5"
    & skf21("2","2","3","6","5","6","6","1") = "5"
    & skf21("2","2","3","6","5","6","7","1") = "6"
    & skf21("2","2","3","6","5","7","1","1") = "6"
    & skf21("2","2","3","6","5","7","2","1") = "6"
    & skf21("2","2","3","6","5","7","3","1") = "6"
    & skf21("2","2","3","6","5","7","4","1") = "6"
    & skf21("2","2","3","6","5","7","5","1") = "6"
    & skf21("2","2","3","6","5","7","6","1") = "6"
    & skf21("2","2","3","6","5","7","7","1") = "6"
    & skf21("2","2","3","6","6","1","1","1") = "5"
    & skf21("2","2","3","6","6","1","2","1") = "5"
    & skf21("2","2","3","6","6","1","3","1") = "5"
    & skf21("2","2","3","6","6","1","4","1") = "5"
    & skf21("2","2","3","6","6","1","5","1") = "5"
    & skf21("2","2","3","6","6","1","6","1") = "5"
    & skf21("2","2","3","6","6","1","7","1") = "6"
    & skf21("2","2","3","6","6","2","1","1") = "5"
    & skf21("2","2","3","6","6","2","2","1") = "5"
    & skf21("2","2","3","6","6","2","3","1") = "5"
    & skf21("2","2","3","6","6","2","4","1") = "5"
    & skf21("2","2","3","6","6","2","5","1") = "5"
    & skf21("2","2","3","6","6","2","6","1") = "5"
    & skf21("2","2","3","6","6","2","7","1") = "6"
    & skf21("2","2","3","6","6","3","1","1") = "5"
    & skf21("2","2","3","6","6","3","2","1") = "5"
    & skf21("2","2","3","6","6","3","3","1") = "5"
    & skf21("2","2","3","6","6","3","4","1") = "5"
    & skf21("2","2","3","6","6","3","5","1") = "5"
    & skf21("2","2","3","6","6","3","6","1") = "5"
    & skf21("2","2","3","6","6","3","7","1") = "6"
    & skf21("2","2","3","6","6","4","1","1") = "5"
    & skf21("2","2","3","6","6","4","2","1") = "5"
    & skf21("2","2","3","6","6","4","3","1") = "5"
    & skf21("2","2","3","6","6","4","4","1") = "5"
    & skf21("2","2","3","6","6","4","5","1") = "5"
    & skf21("2","2","3","6","6","4","6","1") = "5"
    & skf21("2","2","3","6","6","4","7","1") = "6"
    & skf21("2","2","3","6","6","5","1","1") = "5"
    & skf21("2","2","3","6","6","5","2","1") = "5"
    & skf21("2","2","3","6","6","5","3","1") = "5"
    & skf21("2","2","3","6","6","5","4","1") = "5"
    & skf21("2","2","3","6","6","5","5","1") = "5"
    & skf21("2","2","3","6","6","5","6","1") = "5"
    & skf21("2","2","3","6","6","5","7","1") = "6"
    & skf21("2","2","3","6","6","6","1","1") = "5"
    & skf21("2","2","3","6","6","6","2","1") = "5"
    & skf21("2","2","3","6","6","6","3","1") = "5"
    & skf21("2","2","3","6","6","6","4","1") = "5"
    & skf21("2","2","3","6","6","6","5","1") = "5"
    & skf21("2","2","3","6","6","6","6","1") = "5"
    & skf21("2","2","3","6","6","6","7","1") = "6"
    & skf21("2","2","3","6","6","7","1","1") = "6"
    & skf21("2","2","3","6","6","7","2","1") = "6"
    & skf21("2","2","3","6","6","7","3","1") = "6"
    & skf21("2","2","3","6","6","7","4","1") = "6"
    & skf21("2","2","3","6","6","7","5","1") = "6"
    & skf21("2","2","3","6","6","7","6","1") = "6"
    & skf21("2","2","3","6","6","7","7","1") = "6"
    & skf21("2","2","3","6","7","1","1","1") = "6"
    & skf21("2","2","3","6","7","1","2","1") = "6"
    & skf21("2","2","3","6","7","1","3","1") = "6"
    & skf21("2","2","3","6","7","1","4","1") = "6"
    & skf21("2","2","3","6","7","1","5","1") = "6"
    & skf21("2","2","3","6","7","1","6","1") = "6"
    & skf21("2","2","3","6","7","1","7","1") = "6"
    & skf21("2","2","3","6","7","2","1","1") = "6"
    & skf21("2","2","3","6","7","2","2","1") = "6"
    & skf21("2","2","3","6","7","2","3","1") = "6"
    & skf21("2","2","3","6","7","2","4","1") = "6"
    & skf21("2","2","3","6","7","2","5","1") = "6"
    & skf21("2","2","3","6","7","2","6","1") = "6"
    & skf21("2","2","3","6","7","2","7","1") = "6"
    & skf21("2","2","3","6","7","3","1","1") = "6"
    & skf21("2","2","3","6","7","3","2","1") = "6"
    & skf21("2","2","3","6","7","3","3","1") = "6"
    & skf21("2","2","3","6","7","3","4","1") = "6"
    & skf21("2","2","3","6","7","3","5","1") = "6"
    & skf21("2","2","3","6","7","3","6","1") = "6"
    & skf21("2","2","3","6","7","3","7","1") = "6"
    & skf21("2","2","3","6","7","4","1","1") = "6"
    & skf21("2","2","3","6","7","4","2","1") = "6"
    & skf21("2","2","3","6","7","4","3","1") = "6"
    & skf21("2","2","3","6","7","4","4","1") = "6"
    & skf21("2","2","3","6","7","4","5","1") = "6"
    & skf21("2","2","3","6","7","4","6","1") = "6"
    & skf21("2","2","3","6","7","4","7","1") = "6"
    & skf21("2","2","3","6","7","5","1","1") = "6"
    & skf21("2","2","3","6","7","5","2","1") = "6"
    & skf21("2","2","3","6","7","5","3","1") = "6"
    & skf21("2","2","3","6","7","5","4","1") = "6"
    & skf21("2","2","3","6","7","5","5","1") = "6"
    & skf21("2","2","3","6","7","5","6","1") = "6"
    & skf21("2","2","3","6","7","5","7","1") = "6"
    & skf21("2","2","3","6","7","6","1","1") = "6"
    & skf21("2","2","3","6","7","6","2","1") = "6"
    & skf21("2","2","3","6","7","6","3","1") = "6"
    & skf21("2","2","3","6","7","6","4","1") = "6"
    & skf21("2","2","3","6","7","6","5","1") = "6"
    & skf21("2","2","3","6","7","6","6","1") = "6"
    & skf21("2","2","3","6","7","6","7","1") = "6"
    & skf21("2","2","3","6","7","7","1","1") = "6"
    & skf21("2","2","3","6","7","7","2","1") = "6"
    & skf21("2","2","3","6","7","7","3","1") = "6"
    & skf21("2","2","3","6","7","7","4","1") = "6"
    & skf21("2","2","3","6","7","7","5","1") = "6"
    & skf21("2","2","3","6","7","7","6","1") = "6"
    & skf21("2","2","3","6","7","7","7","1") = "6"
    & skf21("2","2","3","7","1","1","1","1") = "6"
    & skf21("2","2","3","7","1","1","2","1") = "6"
    & skf21("2","2","3","7","1","1","3","1") = "6"
    & skf21("2","2","3","7","1","1","4","1") = "6"
    & skf21("2","2","3","7","1","1","5","1") = "6"
    & skf21("2","2","3","7","1","1","6","1") = "6"
    & skf21("2","2","3","7","1","1","7","1") = "6"
    & skf21("2","2","3","7","1","2","1","1") = "6"
    & skf21("2","2","3","7","1","2","2","1") = "6"
    & skf21("2","2","3","7","1","2","3","1") = "6"
    & skf21("2","2","3","7","1","2","4","1") = "6"
    & skf21("2","2","3","7","1","2","5","1") = "6"
    & skf21("2","2","3","7","1","2","6","1") = "6"
    & skf21("2","2","3","7","1","2","7","1") = "6"
    & skf21("2","2","3","7","1","3","1","1") = "6"
    & skf21("2","2","3","7","1","3","2","1") = "6"
    & skf21("2","2","3","7","1","3","3","1") = "6"
    & skf21("2","2","3","7","1","3","4","1") = "6"
    & skf21("2","2","3","7","1","3","5","1") = "6"
    & skf21("2","2","3","7","1","3","6","1") = "6"
    & skf21("2","2","3","7","1","3","7","1") = "6"
    & skf21("2","2","3","7","1","4","1","1") = "6"
    & skf21("2","2","3","7","1","4","2","1") = "6"
    & skf21("2","2","3","7","1","4","3","1") = "6"
    & skf21("2","2","3","7","1","4","4","1") = "6"
    & skf21("2","2","3","7","1","4","5","1") = "6"
    & skf21("2","2","3","7","1","4","6","1") = "6"
    & skf21("2","2","3","7","1","4","7","1") = "6"
    & skf21("2","2","3","7","1","5","1","1") = "6"
    & skf21("2","2","3","7","1","5","2","1") = "6"
    & skf21("2","2","3","7","1","5","3","1") = "6"
    & skf21("2","2","3","7","1","5","4","1") = "6"
    & skf21("2","2","3","7","1","5","5","1") = "6"
    & skf21("2","2","3","7","1","5","6","1") = "6"
    & skf21("2","2","3","7","1","5","7","1") = "6"
    & skf21("2","2","3","7","1","6","1","1") = "6"
    & skf21("2","2","3","7","1","6","2","1") = "6"
    & skf21("2","2","3","7","1","6","3","1") = "6"
    & skf21("2","2","3","7","1","6","4","1") = "6"
    & skf21("2","2","3","7","1","6","5","1") = "6"
    & skf21("2","2","3","7","1","6","6","1") = "6"
    & skf21("2","2","3","7","1","6","7","1") = "6"
    & skf21("2","2","3","7","1","7","1","1") = "6"
    & skf21("2","2","3","7","1","7","2","1") = "6"
    & skf21("2","2","3","7","1","7","3","1") = "6"
    & skf21("2","2","3","7","1","7","4","1") = "6"
    & skf21("2","2","3","7","1","7","5","1") = "6"
    & skf21("2","2","3","7","1","7","6","1") = "6"
    & skf21("2","2","3","7","1","7","7","1") = "6"
    & skf21("2","2","3","7","2","1","1","1") = "6"
    & skf21("2","2","3","7","2","1","2","1") = "6"
    & skf21("2","2","3","7","2","1","3","1") = "6"
    & skf21("2","2","3","7","2","1","4","1") = "6"
    & skf21("2","2","3","7","2","1","5","1") = "6"
    & skf21("2","2","3","7","2","1","6","1") = "6"
    & skf21("2","2","3","7","2","1","7","1") = "6"
    & skf21("2","2","3","7","2","2","1","1") = "6"
    & skf21("2","2","3","7","2","2","2","1") = "6"
    & skf21("2","2","3","7","2","2","3","1") = "6"
    & skf21("2","2","3","7","2","2","4","1") = "6"
    & skf21("2","2","3","7","2","2","5","1") = "6"
    & skf21("2","2","3","7","2","2","6","1") = "6"
    & skf21("2","2","3","7","2","2","7","1") = "6"
    & skf21("2","2","3","7","2","3","1","1") = "6"
    & skf21("2","2","3","7","2","3","2","1") = "6"
    & skf21("2","2","3","7","2","3","3","1") = "6"
    & skf21("2","2","3","7","2","3","4","1") = "6"
    & skf21("2","2","3","7","2","3","5","1") = "6"
    & skf21("2","2","3","7","2","3","6","1") = "6"
    & skf21("2","2","3","7","2","3","7","1") = "6"
    & skf21("2","2","3","7","2","4","1","1") = "6"
    & skf21("2","2","3","7","2","4","2","1") = "6"
    & skf21("2","2","3","7","2","4","3","1") = "6"
    & skf21("2","2","3","7","2","4","4","1") = "6"
    & skf21("2","2","3","7","2","4","5","1") = "6"
    & skf21("2","2","3","7","2","4","6","1") = "6"
    & skf21("2","2","3","7","2","4","7","1") = "6"
    & skf21("2","2","3","7","2","5","1","1") = "6"
    & skf21("2","2","3","7","2","5","2","1") = "6"
    & skf21("2","2","3","7","2","5","3","1") = "6"
    & skf21("2","2","3","7","2","5","4","1") = "6"
    & skf21("2","2","3","7","2","5","5","1") = "6"
    & skf21("2","2","3","7","2","5","6","1") = "6"
    & skf21("2","2","3","7","2","5","7","1") = "6"
    & skf21("2","2","3","7","2","6","1","1") = "6"
    & skf21("2","2","3","7","2","6","2","1") = "6"
    & skf21("2","2","3","7","2","6","3","1") = "6"
    & skf21("2","2","3","7","2","6","4","1") = "6"
    & skf21("2","2","3","7","2","6","5","1") = "6"
    & skf21("2","2","3","7","2","6","6","1") = "6"
    & skf21("2","2","3","7","2","6","7","1") = "6"
    & skf21("2","2","3","7","2","7","1","1") = "6"
    & skf21("2","2","3","7","2","7","2","1") = "6"
    & skf21("2","2","3","7","2","7","3","1") = "6"
    & skf21("2","2","3","7","2","7","4","1") = "6"
    & skf21("2","2","3","7","2","7","5","1") = "6"
    & skf21("2","2","3","7","2","7","6","1") = "6"
    & skf21("2","2","3","7","2","7","7","1") = "6"
    & skf21("2","2","3","7","3","1","1","1") = "6"
    & skf21("2","2","3","7","3","1","2","1") = "6"
    & skf21("2","2","3","7","3","1","3","1") = "6"
    & skf21("2","2","3","7","3","1","4","1") = "6"
    & skf21("2","2","3","7","3","1","5","1") = "6"
    & skf21("2","2","3","7","3","1","6","1") = "6"
    & skf21("2","2","3","7","3","1","7","1") = "6"
    & skf21("2","2","3","7","3","2","1","1") = "6"
    & skf21("2","2","3","7","3","2","2","1") = "6"
    & skf21("2","2","3","7","3","2","3","1") = "6"
    & skf21("2","2","3","7","3","2","4","1") = "6"
    & skf21("2","2","3","7","3","2","5","1") = "6"
    & skf21("2","2","3","7","3","2","6","1") = "6"
    & skf21("2","2","3","7","3","2","7","1") = "6"
    & skf21("2","2","3","7","3","3","1","1") = "6"
    & skf21("2","2","3","7","3","3","2","1") = "6"
    & skf21("2","2","3","7","3","3","3","1") = "6"
    & skf21("2","2","3","7","3","3","4","1") = "6"
    & skf21("2","2","3","7","3","3","5","1") = "6"
    & skf21("2","2","3","7","3","3","6","1") = "6"
    & skf21("2","2","3","7","3","3","7","1") = "6"
    & skf21("2","2","3","7","3","4","1","1") = "6"
    & skf21("2","2","3","7","3","4","2","1") = "6"
    & skf21("2","2","3","7","3","4","3","1") = "6"
    & skf21("2","2","3","7","3","4","4","1") = "6"
    & skf21("2","2","3","7","3","4","5","1") = "6"
    & skf21("2","2","3","7","3","4","6","1") = "6"
    & skf21("2","2","3","7","3","4","7","1") = "6"
    & skf21("2","2","3","7","3","5","1","1") = "6"
    & skf21("2","2","3","7","3","5","2","1") = "6"
    & skf21("2","2","3","7","3","5","3","1") = "6"
    & skf21("2","2","3","7","3","5","4","1") = "6"
    & skf21("2","2","3","7","3","5","5","1") = "6"
    & skf21("2","2","3","7","3","5","6","1") = "6"
    & skf21("2","2","3","7","3","5","7","1") = "6"
    & skf21("2","2","3","7","3","6","1","1") = "6"
    & skf21("2","2","3","7","3","6","2","1") = "6"
    & skf21("2","2","3","7","3","6","3","1") = "6"
    & skf21("2","2","3","7","3","6","4","1") = "6"
    & skf21("2","2","3","7","3","6","5","1") = "6"
    & skf21("2","2","3","7","3","6","6","1") = "6"
    & skf21("2","2","3","7","3","6","7","1") = "6"
    & skf21("2","2","3","7","3","7","1","1") = "6"
    & skf21("2","2","3","7","3","7","2","1") = "6"
    & skf21("2","2","3","7","3","7","3","1") = "6"
    & skf21("2","2","3","7","3","7","4","1") = "6"
    & skf21("2","2","3","7","3","7","5","1") = "6"
    & skf21("2","2","3","7","3","7","6","1") = "6"
    & skf21("2","2","3","7","3","7","7","1") = "6"
    & skf21("2","2","3","7","4","1","1","1") = "6"
    & skf21("2","2","3","7","4","1","2","1") = "6"
    & skf21("2","2","3","7","4","1","3","1") = "6"
    & skf21("2","2","3","7","4","1","4","1") = "6"
    & skf21("2","2","3","7","4","1","5","1") = "6"
    & skf21("2","2","3","7","4","1","6","1") = "6"
    & skf21("2","2","3","7","4","1","7","1") = "6"
    & skf21("2","2","3","7","4","2","1","1") = "6"
    & skf21("2","2","3","7","4","2","2","1") = "6"
    & skf21("2","2","3","7","4","2","3","1") = "6"
    & skf21("2","2","3","7","4","2","4","1") = "6"
    & skf21("2","2","3","7","4","2","5","1") = "6"
    & skf21("2","2","3","7","4","2","6","1") = "6"
    & skf21("2","2","3","7","4","2","7","1") = "6"
    & skf21("2","2","3","7","4","3","1","1") = "6"
    & skf21("2","2","3","7","4","3","2","1") = "6"
    & skf21("2","2","3","7","4","3","3","1") = "6"
    & skf21("2","2","3","7","4","3","4","1") = "6"
    & skf21("2","2","3","7","4","3","5","1") = "6"
    & skf21("2","2","3","7","4","3","6","1") = "6"
    & skf21("2","2","3","7","4","3","7","1") = "6"
    & skf21("2","2","3","7","4","4","1","1") = "6"
    & skf21("2","2","3","7","4","4","2","1") = "6"
    & skf21("2","2","3","7","4","4","3","1") = "6"
    & skf21("2","2","3","7","4","4","4","1") = "6"
    & skf21("2","2","3","7","4","4","5","1") = "6"
    & skf21("2","2","3","7","4","4","6","1") = "6"
    & skf21("2","2","3","7","4","4","7","1") = "6"
    & skf21("2","2","3","7","4","5","1","1") = "6"
    & skf21("2","2","3","7","4","5","2","1") = "6"
    & skf21("2","2","3","7","4","5","3","1") = "6"
    & skf21("2","2","3","7","4","5","4","1") = "6"
    & skf21("2","2","3","7","4","5","5","1") = "6"
    & skf21("2","2","3","7","4","5","6","1") = "6"
    & skf21("2","2","3","7","4","5","7","1") = "6"
    & skf21("2","2","3","7","4","6","1","1") = "6"
    & skf21("2","2","3","7","4","6","2","1") = "6"
    & skf21("2","2","3","7","4","6","3","1") = "6"
    & skf21("2","2","3","7","4","6","4","1") = "6"
    & skf21("2","2","3","7","4","6","5","1") = "6"
    & skf21("2","2","3","7","4","6","6","1") = "6"
    & skf21("2","2","3","7","4","6","7","1") = "6"
    & skf21("2","2","3","7","4","7","1","1") = "6"
    & skf21("2","2","3","7","4","7","2","1") = "6"
    & skf21("2","2","3","7","4","7","3","1") = "6"
    & skf21("2","2","3","7","4","7","4","1") = "6"
    & skf21("2","2","3","7","4","7","5","1") = "6"
    & skf21("2","2","3","7","4","7","6","1") = "6"
    & skf21("2","2","3","7","4","7","7","1") = "6"
    & skf21("2","2","3","7","5","1","1","1") = "6"
    & skf21("2","2","3","7","5","1","2","1") = "6"
    & skf21("2","2","3","7","5","1","3","1") = "6"
    & skf21("2","2","3","7","5","1","4","1") = "6"
    & skf21("2","2","3","7","5","1","5","1") = "6"
    & skf21("2","2","3","7","5","1","6","1") = "6"
    & skf21("2","2","3","7","5","1","7","1") = "6"
    & skf21("2","2","3","7","5","2","1","1") = "6"
    & skf21("2","2","3","7","5","2","2","1") = "6"
    & skf21("2","2","3","7","5","2","3","1") = "6"
    & skf21("2","2","3","7","5","2","4","1") = "6"
    & skf21("2","2","3","7","5","2","5","1") = "6"
    & skf21("2","2","3","7","5","2","6","1") = "6"
    & skf21("2","2","3","7","5","2","7","1") = "6"
    & skf21("2","2","3","7","5","3","1","1") = "6"
    & skf21("2","2","3","7","5","3","2","1") = "6"
    & skf21("2","2","3","7","5","3","3","1") = "6"
    & skf21("2","2","3","7","5","3","4","1") = "6"
    & skf21("2","2","3","7","5","3","5","1") = "6"
    & skf21("2","2","3","7","5","3","6","1") = "6"
    & skf21("2","2","3","7","5","3","7","1") = "6"
    & skf21("2","2","3","7","5","4","1","1") = "6"
    & skf21("2","2","3","7","5","4","2","1") = "6"
    & skf21("2","2","3","7","5","4","3","1") = "6"
    & skf21("2","2","3","7","5","4","4","1") = "6"
    & skf21("2","2","3","7","5","4","5","1") = "6"
    & skf21("2","2","3","7","5","4","6","1") = "6"
    & skf21("2","2","3","7","5","4","7","1") = "6"
    & skf21("2","2","3","7","5","5","1","1") = "6"
    & skf21("2","2","3","7","5","5","2","1") = "6"
    & skf21("2","2","3","7","5","5","3","1") = "6"
    & skf21("2","2","3","7","5","5","4","1") = "6"
    & skf21("2","2","3","7","5","5","5","1") = "6"
    & skf21("2","2","3","7","5","5","6","1") = "6"
    & skf21("2","2","3","7","5","5","7","1") = "6"
    & skf21("2","2","3","7","5","6","1","1") = "6"
    & skf21("2","2","3","7","5","6","2","1") = "6"
    & skf21("2","2","3","7","5","6","3","1") = "6"
    & skf21("2","2","3","7","5","6","4","1") = "6"
    & skf21("2","2","3","7","5","6","5","1") = "6"
    & skf21("2","2","3","7","5","6","6","1") = "6"
    & skf21("2","2","3","7","5","6","7","1") = "6"
    & skf21("2","2","3","7","5","7","1","1") = "6"
    & skf21("2","2","3","7","5","7","2","1") = "6"
    & skf21("2","2","3","7","5","7","3","1") = "6"
    & skf21("2","2","3","7","5","7","4","1") = "6"
    & skf21("2","2","3","7","5","7","5","1") = "6"
    & skf21("2","2","3","7","5","7","6","1") = "6"
    & skf21("2","2","3","7","5","7","7","1") = "6"
    & skf21("2","2","3","7","6","1","1","1") = "6"
    & skf21("2","2","3","7","6","1","2","1") = "6"
    & skf21("2","2","3","7","6","1","3","1") = "6"
    & skf21("2","2","3","7","6","1","4","1") = "6"
    & skf21("2","2","3","7","6","1","5","1") = "6"
    & skf21("2","2","3","7","6","1","6","1") = "6"
    & skf21("2","2","3","7","6","1","7","1") = "6"
    & skf21("2","2","3","7","6","2","1","1") = "6"
    & skf21("2","2","3","7","6","2","2","1") = "6"
    & skf21("2","2","3","7","6","2","3","1") = "6"
    & skf21("2","2","3","7","6","2","4","1") = "6"
    & skf21("2","2","3","7","6","2","5","1") = "6"
    & skf21("2","2","3","7","6","2","6","1") = "6"
    & skf21("2","2","3","7","6","2","7","1") = "6"
    & skf21("2","2","3","7","6","3","1","1") = "6"
    & skf21("2","2","3","7","6","3","2","1") = "6"
    & skf21("2","2","3","7","6","3","3","1") = "6"
    & skf21("2","2","3","7","6","3","4","1") = "6"
    & skf21("2","2","3","7","6","3","5","1") = "6"
    & skf21("2","2","3","7","6","3","6","1") = "6"
    & skf21("2","2","3","7","6","3","7","1") = "6"
    & skf21("2","2","3","7","6","4","1","1") = "6"
    & skf21("2","2","3","7","6","4","2","1") = "6"
    & skf21("2","2","3","7","6","4","3","1") = "6"
    & skf21("2","2","3","7","6","4","4","1") = "6"
    & skf21("2","2","3","7","6","4","5","1") = "6"
    & skf21("2","2","3","7","6","4","6","1") = "6"
    & skf21("2","2","3","7","6","4","7","1") = "6"
    & skf21("2","2","3","7","6","5","1","1") = "6"
    & skf21("2","2","3","7","6","5","2","1") = "6"
    & skf21("2","2","3","7","6","5","3","1") = "6"
    & skf21("2","2","3","7","6","5","4","1") = "6"
    & skf21("2","2","3","7","6","5","5","1") = "6"
    & skf21("2","2","3","7","6","5","6","1") = "6"
    & skf21("2","2","3","7","6","5","7","1") = "6"
    & skf21("2","2","3","7","6","6","1","1") = "6"
    & skf21("2","2","3","7","6","6","2","1") = "6"
    & skf21("2","2","3","7","6","6","3","1") = "6"
    & skf21("2","2","3","7","6","6","4","1") = "6"
    & skf21("2","2","3","7","6","6","5","1") = "6"
    & skf21("2","2","3","7","6","6","6","1") = "6"
    & skf21("2","2","3","7","6","6","7","1") = "6"
    & skf21("2","2","3","7","6","7","1","1") = "6"
    & skf21("2","2","3","7","6","7","2","1") = "6"
    & skf21("2","2","3","7","6","7","3","1") = "6"
    & skf21("2","2","3","7","6","7","4","1") = "6"
    & skf21("2","2","3","7","6","7","5","1") = "6"
    & skf21("2","2","3","7","6","7","6","1") = "6"
    & skf21("2","2","3","7","6","7","7","1") = "6"
    & skf21("2","2","3","7","7","1","1","1") = "6"
    & skf21("2","2","3","7","7","1","2","1") = "6"
    & skf21("2","2","3","7","7","1","3","1") = "6"
    & skf21("2","2","3","7","7","1","4","1") = "6"
    & skf21("2","2","3","7","7","1","5","1") = "6"
    & skf21("2","2","3","7","7","1","6","1") = "6"
    & skf21("2","2","3","7","7","1","7","1") = "6"
    & skf21("2","2","3","7","7","2","1","1") = "6"
    & skf21("2","2","3","7","7","2","2","1") = "6"
    & skf21("2","2","3","7","7","2","3","1") = "6"
    & skf21("2","2","3","7","7","2","4","1") = "6"
    & skf21("2","2","3","7","7","2","5","1") = "6"
    & skf21("2","2","3","7","7","2","6","1") = "6"
    & skf21("2","2","3","7","7","2","7","1") = "6"
    & skf21("2","2","3","7","7","3","1","1") = "6"
    & skf21("2","2","3","7","7","3","2","1") = "6"
    & skf21("2","2","3","7","7","3","3","1") = "6"
    & skf21("2","2","3","7","7","3","4","1") = "6"
    & skf21("2","2","3","7","7","3","5","1") = "6"
    & skf21("2","2","3","7","7","3","6","1") = "6"
    & skf21("2","2","3","7","7","3","7","1") = "6"
    & skf21("2","2","3","7","7","4","1","1") = "6"
    & skf21("2","2","3","7","7","4","2","1") = "6"
    & skf21("2","2","3","7","7","4","3","1") = "6"
    & skf21("2","2","3","7","7","4","4","1") = "6"
    & skf21("2","2","3","7","7","4","5","1") = "6"
    & skf21("2","2","3","7","7","4","6","1") = "6"
    & skf21("2","2","3","7","7","4","7","1") = "6"
    & skf21("2","2","3","7","7","5","1","1") = "6"
    & skf21("2","2","3","7","7","5","2","1") = "6"
    & skf21("2","2","3","7","7","5","3","1") = "6"
    & skf21("2","2","3","7","7","5","4","1") = "6"
    & skf21("2","2","3","7","7","5","5","1") = "6"
    & skf21("2","2","3","7","7","5","6","1") = "6"
    & skf21("2","2","3","7","7","5","7","1") = "6"
    & skf21("2","2","3","7","7","6","1","1") = "6"
    & skf21("2","2","3","7","7","6","2","1") = "6"
    & skf21("2","2","3","7","7","6","3","1") = "6"
    & skf21("2","2","3","7","7","6","4","1") = "6"
    & skf21("2","2","3","7","7","6","5","1") = "6"
    & skf21("2","2","3","7","7","6","6","1") = "6"
    & skf21("2","2","3","7","7","6","7","1") = "6"
    & skf21("2","2","3","7","7","7","1","1") = "6"
    & skf21("2","2","3","7","7","7","2","1") = "6"
    & skf21("2","2","3","7","7","7","3","1") = "6"
    & skf21("2","2","3","7","7","7","4","1") = "6"
    & skf21("2","2","3","7","7","7","5","1") = "6"
    & skf21("2","2","3","7","7","7","6","1") = "6"
    & skf21("2","2","3","7","7","7","7","1") = "6"
    & skf21("2","2","4","1","1","1","1","1") = "3"
    & skf21("2","2","4","1","1","1","2","1") = "3"
    & skf21("2","2","4","1","1","1","3","1") = "3"
    & skf21("2","2","4","1","1","1","4","1") = "3"
    & skf21("2","2","4","1","1","1","5","1") = "4"
    & skf21("2","2","4","1","1","1","6","1") = "5"
    & skf21("2","2","4","1","1","1","7","1") = "6"
    & skf21("2","2","4","1","1","2","1","1") = "3"
    & skf21("2","2","4","1","1","2","2","1") = "3"
    & skf21("2","2","4","1","1","2","3","1") = "3"
    & skf21("2","2","4","1","1","2","4","1") = "3"
    & skf21("2","2","4","1","1","2","5","1") = "4"
    & skf21("2","2","4","1","1","2","6","1") = "5"
    & skf21("2","2","4","1","1","2","7","1") = "6"
    & skf21("2","2","4","1","1","3","1","1") = "3"
    & skf21("2","2","4","1","1","3","2","1") = "3"
    & skf21("2","2","4","1","1","3","3","1") = "3"
    & skf21("2","2","4","1","1","3","4","1") = "3"
    & skf21("2","2","4","1","1","3","5","1") = "4"
    & skf21("2","2","4","1","1","3","6","1") = "5"
    & skf21("2","2","4","1","1","3","7","1") = "6"
    & skf21("2","2","4","1","1","4","1","1") = "3"
    & skf21("2","2","4","1","1","4","2","1") = "3"
    & skf21("2","2","4","1","1","4","3","1") = "3"
    & skf21("2","2","4","1","1","4","4","1") = "3"
    & skf21("2","2","4","1","1","4","5","1") = "4"
    & skf21("2","2","4","1","1","4","6","1") = "5"
    & skf21("2","2","4","1","1","4","7","1") = "6"
    & skf21("2","2","4","1","1","5","1","1") = "4"
    & skf21("2","2","4","1","1","5","2","1") = "4"
    & skf21("2","2","4","1","1","5","3","1") = "4"
    & skf21("2","2","4","1","1","5","4","1") = "4"
    & skf21("2","2","4","1","1","5","5","1") = "4"
    & skf21("2","2","4","1","1","5","6","1") = "5"
    & skf21("2","2","4","1","1","5","7","1") = "6"
    & skf21("2","2","4","1","1","6","1","1") = "5"
    & skf21("2","2","4","1","1","6","2","1") = "5"
    & skf21("2","2","4","1","1","6","3","1") = "5"
    & skf21("2","2","4","1","1","6","4","1") = "5"
    & skf21("2","2","4","1","1","6","5","1") = "5"
    & skf21("2","2","4","1","1","6","6","1") = "5"
    & skf21("2","2","4","1","1","6","7","1") = "6"
    & skf21("2","2","4","1","1","7","1","1") = "6"
    & skf21("2","2","4","1","1","7","2","1") = "6"
    & skf21("2","2","4","1","1","7","3","1") = "6"
    & skf21("2","2","4","1","1","7","4","1") = "6"
    & skf21("2","2","4","1","1","7","5","1") = "6"
    & skf21("2","2","4","1","1","7","6","1") = "6"
    & skf21("2","2","4","1","1","7","7","1") = "6"
    & skf21("2","2","4","1","2","1","1","1") = "3"
    & skf21("2","2","4","1","2","1","2","1") = "3"
    & skf21("2","2","4","1","2","1","3","1") = "3"
    & skf21("2","2","4","1","2","1","4","1") = "3"
    & skf21("2","2","4","1","2","1","5","1") = "4"
    & skf21("2","2","4","1","2","1","6","1") = "5"
    & skf21("2","2","4","1","2","1","7","1") = "6"
    & skf21("2","2","4","1","2","2","1","1") = "3"
    & skf21("2","2","4","1","2","2","2","1") = "3"
    & skf21("2","2","4","1","2","2","3","1") = "3"
    & skf21("2","2","4","1","2","2","4","1") = "3"
    & skf21("2","2","4","1","2","2","5","1") = "4"
    & skf21("2","2","4","1","2","2","6","1") = "5"
    & skf21("2","2","4","1","2","2","7","1") = "6"
    & skf21("2","2","4","1","2","3","1","1") = "3"
    & skf21("2","2","4","1","2","3","2","1") = "3"
    & skf21("2","2","4","1","2","3","3","1") = "3"
    & skf21("2","2","4","1","2","3","4","1") = "3"
    & skf21("2","2","4","1","2","3","5","1") = "4"
    & skf21("2","2","4","1","2","3","6","1") = "5"
    & skf21("2","2","4","1","2","3","7","1") = "6"
    & skf21("2","2","4","1","2","4","1","1") = "3"
    & skf21("2","2","4","1","2","4","2","1") = "3"
    & skf21("2","2","4","1","2","4","3","1") = "3"
    & skf21("2","2","4","1","2","4","4","1") = "3"
    & skf21("2","2","4","1","2","4","5","1") = "4"
    & skf21("2","2","4","1","2","4","6","1") = "5"
    & skf21("2","2","4","1","2","4","7","1") = "6"
    & skf21("2","2","4","1","2","5","1","1") = "4"
    & skf21("2","2","4","1","2","5","2","1") = "4"
    & skf21("2","2","4","1","2","5","3","1") = "4"
    & skf21("2","2","4","1","2","5","4","1") = "4"
    & skf21("2","2","4","1","2","5","5","1") = "4"
    & skf21("2","2","4","1","2","5","6","1") = "5"
    & skf21("2","2","4","1","2","5","7","1") = "6"
    & skf21("2","2","4","1","2","6","1","1") = "5"
    & skf21("2","2","4","1","2","6","2","1") = "5"
    & skf21("2","2","4","1","2","6","3","1") = "5"
    & skf21("2","2","4","1","2","6","4","1") = "5"
    & skf21("2","2","4","1","2","6","5","1") = "5"
    & skf21("2","2","4","1","2","6","6","1") = "5"
    & skf21("2","2","4","1","2","6","7","1") = "6"
    & skf21("2","2","4","1","2","7","1","1") = "6"
    & skf21("2","2","4","1","2","7","2","1") = "6"
    & skf21("2","2","4","1","2","7","3","1") = "6"
    & skf21("2","2","4","1","2","7","4","1") = "6"
    & skf21("2","2","4","1","2","7","5","1") = "6"
    & skf21("2","2","4","1","2","7","6","1") = "6"
    & skf21("2","2","4","1","2","7","7","1") = "6"
    & skf21("2","2","4","1","3","1","1","1") = "3"
    & skf21("2","2","4","1","3","1","2","1") = "3"
    & skf21("2","2","4","1","3","1","3","1") = "3"
    & skf21("2","2","4","1","3","1","4","1") = "3"
    & skf21("2","2","4","1","3","1","5","1") = "4"
    & skf21("2","2","4","1","3","1","6","1") = "5"
    & skf21("2","2","4","1","3","1","7","1") = "6"
    & skf21("2","2","4","1","3","2","1","1") = "3"
    & skf21("2","2","4","1","3","2","2","1") = "3"
    & skf21("2","2","4","1","3","2","3","1") = "3"
    & skf21("2","2","4","1","3","2","4","1") = "3"
    & skf21("2","2","4","1","3","2","5","1") = "4"
    & skf21("2","2","4","1","3","2","6","1") = "5"
    & skf21("2","2","4","1","3","2","7","1") = "6"
    & skf21("2","2","4","1","3","3","1","1") = "3"
    & skf21("2","2","4","1","3","3","2","1") = "3"
    & skf21("2","2","4","1","3","3","3","1") = "3"
    & skf21("2","2","4","1","3","3","4","1") = "3"
    & skf21("2","2","4","1","3","3","5","1") = "4"
    & skf21("2","2","4","1","3","3","6","1") = "5"
    & skf21("2","2","4","1","3","3","7","1") = "6"
    & skf21("2","2","4","1","3","4","1","1") = "3"
    & skf21("2","2","4","1","3","4","2","1") = "3"
    & skf21("2","2","4","1","3","4","3","1") = "3"
    & skf21("2","2","4","1","3","4","4","1") = "3"
    & skf21("2","2","4","1","3","4","5","1") = "4"
    & skf21("2","2","4","1","3","4","6","1") = "5"
    & skf21("2","2","4","1","3","4","7","1") = "6"
    & skf21("2","2","4","1","3","5","1","1") = "4"
    & skf21("2","2","4","1","3","5","2","1") = "4"
    & skf21("2","2","4","1","3","5","3","1") = "4"
    & skf21("2","2","4","1","3","5","4","1") = "4"
    & skf21("2","2","4","1","3","5","5","1") = "4"
    & skf21("2","2","4","1","3","5","6","1") = "5"
    & skf21("2","2","4","1","3","5","7","1") = "6"
    & skf21("2","2","4","1","3","6","1","1") = "5"
    & skf21("2","2","4","1","3","6","2","1") = "5"
    & skf21("2","2","4","1","3","6","3","1") = "5"
    & skf21("2","2","4","1","3","6","4","1") = "5"
    & skf21("2","2","4","1","3","6","5","1") = "5"
    & skf21("2","2","4","1","3","6","6","1") = "5"
    & skf21("2","2","4","1","3","6","7","1") = "6"
    & skf21("2","2","4","1","3","7","1","1") = "6"
    & skf21("2","2","4","1","3","7","2","1") = "6"
    & skf21("2","2","4","1","3","7","3","1") = "6"
    & skf21("2","2","4","1","3","7","4","1") = "6"
    & skf21("2","2","4","1","3","7","5","1") = "6"
    & skf21("2","2","4","1","3","7","6","1") = "6"
    & skf21("2","2","4","1","3","7","7","1") = "6"
    & skf21("2","2","4","1","4","1","1","1") = "3"
    & skf21("2","2","4","1","4","1","2","1") = "3"
    & skf21("2","2","4","1","4","1","3","1") = "3"
    & skf21("2","2","4","1","4","1","4","1") = "3"
    & skf21("2","2","4","1","4","1","5","1") = "4"
    & skf21("2","2","4","1","4","1","6","1") = "5"
    & skf21("2","2","4","1","4","1","7","1") = "6"
    & skf21("2","2","4","1","4","2","1","1") = "3"
    & skf21("2","2","4","1","4","2","2","1") = "3"
    & skf21("2","2","4","1","4","2","3","1") = "3"
    & skf21("2","2","4","1","4","2","4","1") = "3"
    & skf21("2","2","4","1","4","2","5","1") = "4"
    & skf21("2","2","4","1","4","2","6","1") = "5"
    & skf21("2","2","4","1","4","2","7","1") = "6"
    & skf21("2","2","4","1","4","3","1","1") = "3"
    & skf21("2","2","4","1","4","3","2","1") = "3"
    & skf21("2","2","4","1","4","3","3","1") = "3"
    & skf21("2","2","4","1","4","3","4","1") = "3"
    & skf21("2","2","4","1","4","3","5","1") = "4"
    & skf21("2","2","4","1","4","3","6","1") = "5"
    & skf21("2","2","4","1","4","3","7","1") = "6"
    & skf21("2","2","4","1","4","4","1","1") = "3"
    & skf21("2","2","4","1","4","4","2","1") = "3"
    & skf21("2","2","4","1","4","4","3","1") = "3"
    & skf21("2","2","4","1","4","4","4","1") = "3"
    & skf21("2","2","4","1","4","4","5","1") = "4"
    & skf21("2","2","4","1","4","4","6","1") = "5"
    & skf21("2","2","4","1","4","4","7","1") = "6"
    & skf21("2","2","4","1","4","5","1","1") = "4"
    & skf21("2","2","4","1","4","5","2","1") = "4"
    & skf21("2","2","4","1","4","5","3","1") = "4"
    & skf21("2","2","4","1","4","5","4","1") = "4"
    & skf21("2","2","4","1","4","5","5","1") = "4"
    & skf21("2","2","4","1","4","5","6","1") = "5"
    & skf21("2","2","4","1","4","5","7","1") = "6"
    & skf21("2","2","4","1","4","6","1","1") = "5"
    & skf21("2","2","4","1","4","6","2","1") = "5"
    & skf21("2","2","4","1","4","6","3","1") = "5"
    & skf21("2","2","4","1","4","6","4","1") = "5"
    & skf21("2","2","4","1","4","6","5","1") = "5"
    & skf21("2","2","4","1","4","6","6","1") = "5"
    & skf21("2","2","4","1","4","6","7","1") = "6"
    & skf21("2","2","4","1","4","7","1","1") = "6"
    & skf21("2","2","4","1","4","7","2","1") = "6"
    & skf21("2","2","4","1","4","7","3","1") = "6"
    & skf21("2","2","4","1","4","7","4","1") = "6"
    & skf21("2","2","4","1","4","7","5","1") = "6"
    & skf21("2","2","4","1","4","7","6","1") = "6"
    & skf21("2","2","4","1","4","7","7","1") = "6"
    & skf21("2","2","4","1","5","1","1","1") = "4"
    & skf21("2","2","4","1","5","1","2","1") = "4"
    & skf21("2","2","4","1","5","1","3","1") = "4"
    & skf21("2","2","4","1","5","1","4","1") = "4"
    & skf21("2","2","4","1","5","1","5","1") = "4"
    & skf21("2","2","4","1","5","1","6","1") = "5"
    & skf21("2","2","4","1","5","1","7","1") = "6"
    & skf21("2","2","4","1","5","2","1","1") = "4"
    & skf21("2","2","4","1","5","2","2","1") = "4"
    & skf21("2","2","4","1","5","2","3","1") = "4"
    & skf21("2","2","4","1","5","2","4","1") = "4"
    & skf21("2","2","4","1","5","2","5","1") = "4"
    & skf21("2","2","4","1","5","2","6","1") = "5"
    & skf21("2","2","4","1","5","2","7","1") = "6"
    & skf21("2","2","4","1","5","3","1","1") = "4"
    & skf21("2","2","4","1","5","3","2","1") = "4"
    & skf21("2","2","4","1","5","3","3","1") = "4"
    & skf21("2","2","4","1","5","3","4","1") = "4"
    & skf21("2","2","4","1","5","3","5","1") = "4"
    & skf21("2","2","4","1","5","3","6","1") = "5"
    & skf21("2","2","4","1","5","3","7","1") = "6"
    & skf21("2","2","4","1","5","4","1","1") = "4"
    & skf21("2","2","4","1","5","4","2","1") = "4"
    & skf21("2","2","4","1","5","4","3","1") = "4"
    & skf21("2","2","4","1","5","4","4","1") = "4"
    & skf21("2","2","4","1","5","4","5","1") = "4"
    & skf21("2","2","4","1","5","4","6","1") = "5"
    & skf21("2","2","4","1","5","4","7","1") = "6"
    & skf21("2","2","4","1","5","5","1","1") = "4"
    & skf21("2","2","4","1","5","5","2","1") = "4"
    & skf21("2","2","4","1","5","5","3","1") = "4"
    & skf21("2","2","4","1","5","5","4","1") = "4"
    & skf21("2","2","4","1","5","5","5","1") = "4"
    & skf21("2","2","4","1","5","5","6","1") = "5"
    & skf21("2","2","4","1","5","5","7","1") = "6"
    & skf21("2","2","4","1","5","6","1","1") = "5"
    & skf21("2","2","4","1","5","6","2","1") = "5"
    & skf21("2","2","4","1","5","6","3","1") = "5"
    & skf21("2","2","4","1","5","6","4","1") = "5"
    & skf21("2","2","4","1","5","6","5","1") = "5"
    & skf21("2","2","4","1","5","6","6","1") = "5"
    & skf21("2","2","4","1","5","6","7","1") = "6"
    & skf21("2","2","4","1","5","7","1","1") = "6"
    & skf21("2","2","4","1","5","7","2","1") = "6"
    & skf21("2","2","4","1","5","7","3","1") = "6"
    & skf21("2","2","4","1","5","7","4","1") = "6"
    & skf21("2","2","4","1","5","7","5","1") = "6"
    & skf21("2","2","4","1","5","7","6","1") = "6"
    & skf21("2","2","4","1","5","7","7","1") = "6"
    & skf21("2","2","4","1","6","1","1","1") = "5"
    & skf21("2","2","4","1","6","1","2","1") = "5"
    & skf21("2","2","4","1","6","1","3","1") = "5"
    & skf21("2","2","4","1","6","1","4","1") = "5"
    & skf21("2","2","4","1","6","1","5","1") = "5"
    & skf21("2","2","4","1","6","1","6","1") = "5"
    & skf21("2","2","4","1","6","1","7","1") = "6"
    & skf21("2","2","4","1","6","2","1","1") = "5"
    & skf21("2","2","4","1","6","2","2","1") = "5"
    & skf21("2","2","4","1","6","2","3","1") = "5"
    & skf21("2","2","4","1","6","2","4","1") = "5"
    & skf21("2","2","4","1","6","2","5","1") = "5"
    & skf21("2","2","4","1","6","2","6","1") = "5"
    & skf21("2","2","4","1","6","2","7","1") = "6"
    & skf21("2","2","4","1","6","3","1","1") = "5"
    & skf21("2","2","4","1","6","3","2","1") = "5"
    & skf21("2","2","4","1","6","3","3","1") = "5"
    & skf21("2","2","4","1","6","3","4","1") = "5"
    & skf21("2","2","4","1","6","3","5","1") = "5"
    & skf21("2","2","4","1","6","3","6","1") = "5"
    & skf21("2","2","4","1","6","3","7","1") = "6"
    & skf21("2","2","4","1","6","4","1","1") = "5"
    & skf21("2","2","4","1","6","4","2","1") = "5"
    & skf21("2","2","4","1","6","4","3","1") = "5"
    & skf21("2","2","4","1","6","4","4","1") = "5"
    & skf21("2","2","4","1","6","4","5","1") = "5"
    & skf21("2","2","4","1","6","4","6","1") = "5"
    & skf21("2","2","4","1","6","4","7","1") = "6"
    & skf21("2","2","4","1","6","5","1","1") = "5"
    & skf21("2","2","4","1","6","5","2","1") = "5"
    & skf21("2","2","4","1","6","5","3","1") = "5"
    & skf21("2","2","4","1","6","5","4","1") = "5"
    & skf21("2","2","4","1","6","5","5","1") = "5"
    & skf21("2","2","4","1","6","5","6","1") = "5"
    & skf21("2","2","4","1","6","5","7","1") = "6"
    & skf21("2","2","4","1","6","6","1","1") = "5"
    & skf21("2","2","4","1","6","6","2","1") = "5"
    & skf21("2","2","4","1","6","6","3","1") = "5"
    & skf21("2","2","4","1","6","6","4","1") = "5"
    & skf21("2","2","4","1","6","6","5","1") = "5"
    & skf21("2","2","4","1","6","6","6","1") = "5"
    & skf21("2","2","4","1","6","6","7","1") = "6"
    & skf21("2","2","4","1","6","7","1","1") = "6"
    & skf21("2","2","4","1","6","7","2","1") = "6"
    & skf21("2","2","4","1","6","7","3","1") = "6"
    & skf21("2","2","4","1","6","7","4","1") = "6"
    & skf21("2","2","4","1","6","7","5","1") = "6"
    & skf21("2","2","4","1","6","7","6","1") = "6"
    & skf21("2","2","4","1","6","7","7","1") = "6"
    & skf21("2","2","4","1","7","1","1","1") = "6"
    & skf21("2","2","4","1","7","1","2","1") = "6"
    & skf21("2","2","4","1","7","1","3","1") = "6"
    & skf21("2","2","4","1","7","1","4","1") = "6"
    & skf21("2","2","4","1","7","1","5","1") = "6"
    & skf21("2","2","4","1","7","1","6","1") = "6"
    & skf21("2","2","4","1","7","1","7","1") = "6"
    & skf21("2","2","4","1","7","2","1","1") = "6"
    & skf21("2","2","4","1","7","2","2","1") = "6"
    & skf21("2","2","4","1","7","2","3","1") = "6"
    & skf21("2","2","4","1","7","2","4","1") = "6"
    & skf21("2","2","4","1","7","2","5","1") = "6"
    & skf21("2","2","4","1","7","2","6","1") = "6"
    & skf21("2","2","4","1","7","2","7","1") = "6"
    & skf21("2","2","4","1","7","3","1","1") = "6"
    & skf21("2","2","4","1","7","3","2","1") = "6"
    & skf21("2","2","4","1","7","3","3","1") = "6"
    & skf21("2","2","4","1","7","3","4","1") = "6"
    & skf21("2","2","4","1","7","3","5","1") = "6"
    & skf21("2","2","4","1","7","3","6","1") = "6"
    & skf21("2","2","4","1","7","3","7","1") = "6"
    & skf21("2","2","4","1","7","4","1","1") = "6"
    & skf21("2","2","4","1","7","4","2","1") = "6"
    & skf21("2","2","4","1","7","4","3","1") = "6"
    & skf21("2","2","4","1","7","4","4","1") = "6"
    & skf21("2","2","4","1","7","4","5","1") = "6"
    & skf21("2","2","4","1","7","4","6","1") = "6"
    & skf21("2","2","4","1","7","4","7","1") = "6"
    & skf21("2","2","4","1","7","5","1","1") = "6"
    & skf21("2","2","4","1","7","5","2","1") = "6"
    & skf21("2","2","4","1","7","5","3","1") = "6"
    & skf21("2","2","4","1","7","5","4","1") = "6"
    & skf21("2","2","4","1","7","5","5","1") = "6"
    & skf21("2","2","4","1","7","5","6","1") = "6"
    & skf21("2","2","4","1","7","5","7","1") = "6"
    & skf21("2","2","4","1","7","6","1","1") = "6"
    & skf21("2","2","4","1","7","6","2","1") = "6"
    & skf21("2","2","4","1","7","6","3","1") = "6"
    & skf21("2","2","4","1","7","6","4","1") = "6"
    & skf21("2","2","4","1","7","6","5","1") = "6"
    & skf21("2","2","4","1","7","6","6","1") = "6"
    & skf21("2","2","4","1","7","6","7","1") = "6"
    & skf21("2","2","4","1","7","7","1","1") = "6"
    & skf21("2","2","4","1","7","7","2","1") = "6"
    & skf21("2","2","4","1","7","7","3","1") = "6"
    & skf21("2","2","4","1","7","7","4","1") = "6"
    & skf21("2","2","4","1","7","7","5","1") = "6"
    & skf21("2","2","4","1","7","7","6","1") = "6"
    & skf21("2","2","4","1","7","7","7","1") = "6"
    & skf21("2","2","4","2","1","1","1","1") = "3"
    & skf21("2","2","4","2","1","1","2","1") = "3"
    & skf21("2","2","4","2","1","1","3","1") = "3"
    & skf21("2","2","4","2","1","1","4","1") = "3"
    & skf21("2","2","4","2","1","1","5","1") = "4"
    & skf21("2","2","4","2","1","1","6","1") = "5"
    & skf21("2","2","4","2","1","1","7","1") = "6"
    & skf21("2","2","4","2","1","2","1","1") = "3"
    & skf21("2","2","4","2","1","2","2","1") = "3"
    & skf21("2","2","4","2","1","2","3","1") = "3"
    & skf21("2","2","4","2","1","2","4","1") = "3"
    & skf21("2","2","4","2","1","2","5","1") = "4"
    & skf21("2","2","4","2","1","2","6","1") = "5"
    & skf21("2","2","4","2","1","2","7","1") = "6"
    & skf21("2","2","4","2","1","3","1","1") = "3"
    & skf21("2","2","4","2","1","3","2","1") = "3"
    & skf21("2","2","4","2","1","3","3","1") = "3"
    & skf21("2","2","4","2","1","3","4","1") = "3"
    & skf21("2","2","4","2","1","3","5","1") = "4"
    & skf21("2","2","4","2","1","3","6","1") = "5"
    & skf21("2","2","4","2","1","3","7","1") = "6"
    & skf21("2","2","4","2","1","4","1","1") = "3"
    & skf21("2","2","4","2","1","4","2","1") = "3"
    & skf21("2","2","4","2","1","4","3","1") = "3"
    & skf21("2","2","4","2","1","4","4","1") = "3"
    & skf21("2","2","4","2","1","4","5","1") = "4"
    & skf21("2","2","4","2","1","4","6","1") = "5"
    & skf21("2","2","4","2","1","4","7","1") = "6"
    & skf21("2","2","4","2","1","5","1","1") = "4"
    & skf21("2","2","4","2","1","5","2","1") = "4"
    & skf21("2","2","4","2","1","5","3","1") = "4"
    & skf21("2","2","4","2","1","5","4","1") = "4"
    & skf21("2","2","4","2","1","5","5","1") = "4"
    & skf21("2","2","4","2","1","5","6","1") = "5"
    & skf21("2","2","4","2","1","5","7","1") = "6"
    & skf21("2","2","4","2","1","6","1","1") = "5"
    & skf21("2","2","4","2","1","6","2","1") = "5"
    & skf21("2","2","4","2","1","6","3","1") = "5"
    & skf21("2","2","4","2","1","6","4","1") = "5"
    & skf21("2","2","4","2","1","6","5","1") = "5"
    & skf21("2","2","4","2","1","6","6","1") = "5"
    & skf21("2","2","4","2","1","6","7","1") = "6"
    & skf21("2","2","4","2","1","7","1","1") = "6"
    & skf21("2","2","4","2","1","7","2","1") = "6"
    & skf21("2","2","4","2","1","7","3","1") = "6"
    & skf21("2","2","4","2","1","7","4","1") = "6"
    & skf21("2","2","4","2","1","7","5","1") = "6"
    & skf21("2","2","4","2","1","7","6","1") = "6"
    & skf21("2","2","4","2","1","7","7","1") = "6"
    & skf21("2","2","4","2","2","1","1","1") = "3"
    & skf21("2","2","4","2","2","1","2","1") = "3"
    & skf21("2","2","4","2","2","1","3","1") = "3"
    & skf21("2","2","4","2","2","1","4","1") = "3"
    & skf21("2","2","4","2","2","1","5","1") = "4"
    & skf21("2","2","4","2","2","1","6","1") = "5"
    & skf21("2","2","4","2","2","1","7","1") = "6"
    & skf21("2","2","4","2","2","2","1","1") = "3"
    & skf21("2","2","4","2","2","2","2","1") = "3"
    & skf21("2","2","4","2","2","2","3","1") = "3"
    & skf21("2","2","4","2","2","2","4","1") = "3"
    & skf21("2","2","4","2","2","2","5","1") = "4"
    & skf21("2","2","4","2","2","2","6","1") = "5"
    & skf21("2","2","4","2","2","2","7","1") = "6"
    & skf21("2","2","4","2","2","3","1","1") = "3"
    & skf21("2","2","4","2","2","3","2","1") = "3"
    & skf21("2","2","4","2","2","3","3","1") = "3"
    & skf21("2","2","4","2","2","3","4","1") = "3"
    & skf21("2","2","4","2","2","3","5","1") = "4"
    & skf21("2","2","4","2","2","3","6","1") = "5"
    & skf21("2","2","4","2","2","3","7","1") = "6"
    & skf21("2","2","4","2","2","4","1","1") = "3"
    & skf21("2","2","4","2","2","4","2","1") = "3"
    & skf21("2","2","4","2","2","4","3","1") = "3"
    & skf21("2","2","4","2","2","4","4","1") = "3"
    & skf21("2","2","4","2","2","4","5","1") = "4"
    & skf21("2","2","4","2","2","4","6","1") = "5"
    & skf21("2","2","4","2","2","4","7","1") = "6"
    & skf21("2","2","4","2","2","5","1","1") = "4"
    & skf21("2","2","4","2","2","5","2","1") = "4"
    & skf21("2","2","4","2","2","5","3","1") = "4"
    & skf21("2","2","4","2","2","5","4","1") = "4"
    & skf21("2","2","4","2","2","5","5","1") = "4"
    & skf21("2","2","4","2","2","5","6","1") = "5"
    & skf21("2","2","4","2","2","5","7","1") = "6"
    & skf21("2","2","4","2","2","6","1","1") = "5"
    & skf21("2","2","4","2","2","6","2","1") = "5"
    & skf21("2","2","4","2","2","6","3","1") = "5"
    & skf21("2","2","4","2","2","6","4","1") = "5"
    & skf21("2","2","4","2","2","6","5","1") = "5"
    & skf21("2","2","4","2","2","6","6","1") = "5"
    & skf21("2","2","4","2","2","6","7","1") = "6"
    & skf21("2","2","4","2","2","7","1","1") = "6"
    & skf21("2","2","4","2","2","7","2","1") = "6"
    & skf21("2","2","4","2","2","7","3","1") = "6"
    & skf21("2","2","4","2","2","7","4","1") = "6"
    & skf21("2","2","4","2","2","7","5","1") = "6"
    & skf21("2","2","4","2","2","7","6","1") = "6"
    & skf21("2","2","4","2","2","7","7","1") = "6"
    & skf21("2","2","4","2","3","1","1","1") = "3"
    & skf21("2","2","4","2","3","1","2","1") = "3"
    & skf21("2","2","4","2","3","1","3","1") = "3"
    & skf21("2","2","4","2","3","1","4","1") = "3"
    & skf21("2","2","4","2","3","1","5","1") = "4"
    & skf21("2","2","4","2","3","1","6","1") = "5"
    & skf21("2","2","4","2","3","1","7","1") = "6"
    & skf21("2","2","4","2","3","2","1","1") = "3"
    & skf21("2","2","4","2","3","2","2","1") = "3"
    & skf21("2","2","4","2","3","2","3","1") = "3"
    & skf21("2","2","4","2","3","2","4","1") = "3"
    & skf21("2","2","4","2","3","2","5","1") = "4"
    & skf21("2","2","4","2","3","2","6","1") = "5"
    & skf21("2","2","4","2","3","2","7","1") = "6"
    & skf21("2","2","4","2","3","3","1","1") = "3"
    & skf21("2","2","4","2","3","3","2","1") = "3"
    & skf21("2","2","4","2","3","3","3","1") = "3"
    & skf21("2","2","4","2","3","3","4","1") = "3"
    & skf21("2","2","4","2","3","3","5","1") = "4"
    & skf21("2","2","4","2","3","3","6","1") = "5"
    & skf21("2","2","4","2","3","3","7","1") = "6"
    & skf21("2","2","4","2","3","4","1","1") = "3"
    & skf21("2","2","4","2","3","4","2","1") = "3"
    & skf21("2","2","4","2","3","4","3","1") = "3"
    & skf21("2","2","4","2","3","4","4","1") = "3"
    & skf21("2","2","4","2","3","4","5","1") = "4"
    & skf21("2","2","4","2","3","4","6","1") = "5"
    & skf21("2","2","4","2","3","4","7","1") = "6"
    & skf21("2","2","4","2","3","5","1","1") = "4"
    & skf21("2","2","4","2","3","5","2","1") = "4"
    & skf21("2","2","4","2","3","5","3","1") = "4"
    & skf21("2","2","4","2","3","5","4","1") = "4"
    & skf21("2","2","4","2","3","5","5","1") = "4"
    & skf21("2","2","4","2","3","5","6","1") = "5"
    & skf21("2","2","4","2","3","5","7","1") = "6"
    & skf21("2","2","4","2","3","6","1","1") = "5"
    & skf21("2","2","4","2","3","6","2","1") = "5"
    & skf21("2","2","4","2","3","6","3","1") = "5"
    & skf21("2","2","4","2","3","6","4","1") = "5"
    & skf21("2","2","4","2","3","6","5","1") = "5"
    & skf21("2","2","4","2","3","6","6","1") = "5"
    & skf21("2","2","4","2","3","6","7","1") = "6"
    & skf21("2","2","4","2","3","7","1","1") = "6"
    & skf21("2","2","4","2","3","7","2","1") = "6"
    & skf21("2","2","4","2","3","7","3","1") = "6"
    & skf21("2","2","4","2","3","7","4","1") = "6"
    & skf21("2","2","4","2","3","7","5","1") = "6"
    & skf21("2","2","4","2","3","7","6","1") = "6"
    & skf21("2","2","4","2","3","7","7","1") = "6"
    & skf21("2","2","4","2","4","1","1","1") = "3"
    & skf21("2","2","4","2","4","1","2","1") = "3"
    & skf21("2","2","4","2","4","1","3","1") = "3"
    & skf21("2","2","4","2","4","1","4","1") = "3"
    & skf21("2","2","4","2","4","1","5","1") = "4"
    & skf21("2","2","4","2","4","1","6","1") = "5"
    & skf21("2","2","4","2","4","1","7","1") = "6"
    & skf21("2","2","4","2","4","2","1","1") = "3"
    & skf21("2","2","4","2","4","2","2","1") = "3"
    & skf21("2","2","4","2","4","2","3","1") = "3"
    & skf21("2","2","4","2","4","2","4","1") = "3"
    & skf21("2","2","4","2","4","2","5","1") = "4"
    & skf21("2","2","4","2","4","2","6","1") = "5"
    & skf21("2","2","4","2","4","2","7","1") = "6"
    & skf21("2","2","4","2","4","3","1","1") = "3"
    & skf21("2","2","4","2","4","3","2","1") = "3"
    & skf21("2","2","4","2","4","3","3","1") = "3"
    & skf21("2","2","4","2","4","3","4","1") = "3"
    & skf21("2","2","4","2","4","3","5","1") = "4"
    & skf21("2","2","4","2","4","3","6","1") = "5"
    & skf21("2","2","4","2","4","3","7","1") = "6"
    & skf21("2","2","4","2","4","4","1","1") = "3"
    & skf21("2","2","4","2","4","4","2","1") = "3"
    & skf21("2","2","4","2","4","4","3","1") = "3"
    & skf21("2","2","4","2","4","4","4","1") = "3"
    & skf21("2","2","4","2","4","4","5","1") = "4"
    & skf21("2","2","4","2","4","4","6","1") = "5"
    & skf21("2","2","4","2","4","4","7","1") = "6"
    & skf21("2","2","4","2","4","5","1","1") = "4"
    & skf21("2","2","4","2","4","5","2","1") = "4"
    & skf21("2","2","4","2","4","5","3","1") = "4"
    & skf21("2","2","4","2","4","5","4","1") = "4"
    & skf21("2","2","4","2","4","5","5","1") = "4"
    & skf21("2","2","4","2","4","5","6","1") = "5"
    & skf21("2","2","4","2","4","5","7","1") = "6"
    & skf21("2","2","4","2","4","6","1","1") = "5"
    & skf21("2","2","4","2","4","6","2","1") = "5"
    & skf21("2","2","4","2","4","6","3","1") = "5"
    & skf21("2","2","4","2","4","6","4","1") = "5"
    & skf21("2","2","4","2","4","6","5","1") = "5"
    & skf21("2","2","4","2","4","6","6","1") = "5"
    & skf21("2","2","4","2","4","6","7","1") = "6"
    & skf21("2","2","4","2","4","7","1","1") = "6"
    & skf21("2","2","4","2","4","7","2","1") = "6"
    & skf21("2","2","4","2","4","7","3","1") = "6"
    & skf21("2","2","4","2","4","7","4","1") = "6"
    & skf21("2","2","4","2","4","7","5","1") = "6"
    & skf21("2","2","4","2","4","7","6","1") = "6"
    & skf21("2","2","4","2","4","7","7","1") = "6"
    & skf21("2","2","4","2","5","1","1","1") = "4"
    & skf21("2","2","4","2","5","1","2","1") = "4"
    & skf21("2","2","4","2","5","1","3","1") = "4"
    & skf21("2","2","4","2","5","1","4","1") = "4"
    & skf21("2","2","4","2","5","1","5","1") = "4"
    & skf21("2","2","4","2","5","1","6","1") = "5"
    & skf21("2","2","4","2","5","1","7","1") = "6"
    & skf21("2","2","4","2","5","2","1","1") = "4"
    & skf21("2","2","4","2","5","2","2","1") = "4"
    & skf21("2","2","4","2","5","2","3","1") = "4"
    & skf21("2","2","4","2","5","2","4","1") = "4"
    & skf21("2","2","4","2","5","2","5","1") = "4"
    & skf21("2","2","4","2","5","2","6","1") = "5"
    & skf21("2","2","4","2","5","2","7","1") = "6"
    & skf21("2","2","4","2","5","3","1","1") = "4"
    & skf21("2","2","4","2","5","3","2","1") = "4"
    & skf21("2","2","4","2","5","3","3","1") = "4"
    & skf21("2","2","4","2","5","3","4","1") = "4"
    & skf21("2","2","4","2","5","3","5","1") = "4"
    & skf21("2","2","4","2","5","3","6","1") = "5"
    & skf21("2","2","4","2","5","3","7","1") = "6"
    & skf21("2","2","4","2","5","4","1","1") = "4"
    & skf21("2","2","4","2","5","4","2","1") = "4"
    & skf21("2","2","4","2","5","4","3","1") = "4"
    & skf21("2","2","4","2","5","4","4","1") = "4"
    & skf21("2","2","4","2","5","4","5","1") = "4"
    & skf21("2","2","4","2","5","4","6","1") = "5"
    & skf21("2","2","4","2","5","4","7","1") = "6"
    & skf21("2","2","4","2","5","5","1","1") = "4"
    & skf21("2","2","4","2","5","5","2","1") = "4"
    & skf21("2","2","4","2","5","5","3","1") = "4"
    & skf21("2","2","4","2","5","5","4","1") = "4"
    & skf21("2","2","4","2","5","5","5","1") = "4"
    & skf21("2","2","4","2","5","5","6","1") = "5"
    & skf21("2","2","4","2","5","5","7","1") = "6"
    & skf21("2","2","4","2","5","6","1","1") = "5"
    & skf21("2","2","4","2","5","6","2","1") = "5"
    & skf21("2","2","4","2","5","6","3","1") = "5"
    & skf21("2","2","4","2","5","6","4","1") = "5"
    & skf21("2","2","4","2","5","6","5","1") = "5"
    & skf21("2","2","4","2","5","6","6","1") = "5"
    & skf21("2","2","4","2","5","6","7","1") = "6"
    & skf21("2","2","4","2","5","7","1","1") = "6"
    & skf21("2","2","4","2","5","7","2","1") = "6"
    & skf21("2","2","4","2","5","7","3","1") = "6"
    & skf21("2","2","4","2","5","7","4","1") = "6"
    & skf21("2","2","4","2","5","7","5","1") = "6"
    & skf21("2","2","4","2","5","7","6","1") = "6"
    & skf21("2","2","4","2","5","7","7","1") = "6"
    & skf21("2","2","4","2","6","1","1","1") = "5"
    & skf21("2","2","4","2","6","1","2","1") = "5"
    & skf21("2","2","4","2","6","1","3","1") = "5"
    & skf21("2","2","4","2","6","1","4","1") = "5"
    & skf21("2","2","4","2","6","1","5","1") = "5"
    & skf21("2","2","4","2","6","1","6","1") = "5"
    & skf21("2","2","4","2","6","1","7","1") = "6"
    & skf21("2","2","4","2","6","2","1","1") = "5"
    & skf21("2","2","4","2","6","2","2","1") = "5"
    & skf21("2","2","4","2","6","2","3","1") = "5"
    & skf21("2","2","4","2","6","2","4","1") = "5"
    & skf21("2","2","4","2","6","2","5","1") = "5"
    & skf21("2","2","4","2","6","2","6","1") = "5"
    & skf21("2","2","4","2","6","2","7","1") = "6"
    & skf21("2","2","4","2","6","3","1","1") = "5"
    & skf21("2","2","4","2","6","3","2","1") = "5"
    & skf21("2","2","4","2","6","3","3","1") = "5"
    & skf21("2","2","4","2","6","3","4","1") = "5"
    & skf21("2","2","4","2","6","3","5","1") = "5"
    & skf21("2","2","4","2","6","3","6","1") = "5"
    & skf21("2","2","4","2","6","3","7","1") = "6"
    & skf21("2","2","4","2","6","4","1","1") = "5"
    & skf21("2","2","4","2","6","4","2","1") = "5"
    & skf21("2","2","4","2","6","4","3","1") = "5"
    & skf21("2","2","4","2","6","4","4","1") = "5"
    & skf21("2","2","4","2","6","4","5","1") = "5"
    & skf21("2","2","4","2","6","4","6","1") = "5"
    & skf21("2","2","4","2","6","4","7","1") = "6"
    & skf21("2","2","4","2","6","5","1","1") = "5"
    & skf21("2","2","4","2","6","5","2","1") = "5"
    & skf21("2","2","4","2","6","5","3","1") = "5"
    & skf21("2","2","4","2","6","5","4","1") = "5"
    & skf21("2","2","4","2","6","5","5","1") = "5"
    & skf21("2","2","4","2","6","5","6","1") = "5"
    & skf21("2","2","4","2","6","5","7","1") = "6"
    & skf21("2","2","4","2","6","6","1","1") = "5"
    & skf21("2","2","4","2","6","6","2","1") = "5"
    & skf21("2","2","4","2","6","6","3","1") = "5"
    & skf21("2","2","4","2","6","6","4","1") = "5"
    & skf21("2","2","4","2","6","6","5","1") = "5"
    & skf21("2","2","4","2","6","6","6","1") = "5"
    & skf21("2","2","4","2","6","6","7","1") = "6"
    & skf21("2","2","4","2","6","7","1","1") = "6"
    & skf21("2","2","4","2","6","7","2","1") = "6"
    & skf21("2","2","4","2","6","7","3","1") = "6"
    & skf21("2","2","4","2","6","7","4","1") = "6"
    & skf21("2","2","4","2","6","7","5","1") = "6"
    & skf21("2","2","4","2","6","7","6","1") = "6"
    & skf21("2","2","4","2","6","7","7","1") = "6"
    & skf21("2","2","4","2","7","1","1","1") = "6"
    & skf21("2","2","4","2","7","1","2","1") = "6"
    & skf21("2","2","4","2","7","1","3","1") = "6"
    & skf21("2","2","4","2","7","1","4","1") = "6"
    & skf21("2","2","4","2","7","1","5","1") = "6"
    & skf21("2","2","4","2","7","1","6","1") = "6"
    & skf21("2","2","4","2","7","1","7","1") = "6"
    & skf21("2","2","4","2","7","2","1","1") = "6"
    & skf21("2","2","4","2","7","2","2","1") = "6"
    & skf21("2","2","4","2","7","2","3","1") = "6"
    & skf21("2","2","4","2","7","2","4","1") = "6"
    & skf21("2","2","4","2","7","2","5","1") = "6"
    & skf21("2","2","4","2","7","2","6","1") = "6"
    & skf21("2","2","4","2","7","2","7","1") = "6"
    & skf21("2","2","4","2","7","3","1","1") = "6"
    & skf21("2","2","4","2","7","3","2","1") = "6"
    & skf21("2","2","4","2","7","3","3","1") = "6"
    & skf21("2","2","4","2","7","3","4","1") = "6"
    & skf21("2","2","4","2","7","3","5","1") = "6"
    & skf21("2","2","4","2","7","3","6","1") = "6"
    & skf21("2","2","4","2","7","3","7","1") = "6"
    & skf21("2","2","4","2","7","4","1","1") = "6"
    & skf21("2","2","4","2","7","4","2","1") = "6"
    & skf21("2","2","4","2","7","4","3","1") = "6"
    & skf21("2","2","4","2","7","4","4","1") = "6"
    & skf21("2","2","4","2","7","4","5","1") = "6"
    & skf21("2","2","4","2","7","4","6","1") = "6"
    & skf21("2","2","4","2","7","4","7","1") = "6"
    & skf21("2","2","4","2","7","5","1","1") = "6"
    & skf21("2","2","4","2","7","5","2","1") = "6"
    & skf21("2","2","4","2","7","5","3","1") = "6"
    & skf21("2","2","4","2","7","5","4","1") = "6"
    & skf21("2","2","4","2","7","5","5","1") = "6"
    & skf21("2","2","4","2","7","5","6","1") = "6"
    & skf21("2","2","4","2","7","5","7","1") = "6"
    & skf21("2","2","4","2","7","6","1","1") = "6"
    & skf21("2","2","4","2","7","6","2","1") = "6"
    & skf21("2","2","4","2","7","6","3","1") = "6"
    & skf21("2","2","4","2","7","6","4","1") = "6"
    & skf21("2","2","4","2","7","6","5","1") = "6"
    & skf21("2","2","4","2","7","6","6","1") = "6"
    & skf21("2","2","4","2","7","6","7","1") = "6"
    & skf21("2","2","4","2","7","7","1","1") = "6"
    & skf21("2","2","4","2","7","7","2","1") = "6"
    & skf21("2","2","4","2","7","7","3","1") = "6"
    & skf21("2","2","4","2","7","7","4","1") = "6"
    & skf21("2","2","4","2","7","7","5","1") = "6"
    & skf21("2","2","4","2","7","7","6","1") = "6"
    & skf21("2","2","4","2","7","7","7","1") = "6"
    & skf21("2","2","4","3","1","1","1","1") = "3"
    & skf21("2","2","4","3","1","1","2","1") = "3"
    & skf21("2","2","4","3","1","1","3","1") = "3"
    & skf21("2","2","4","3","1","1","4","1") = "3"
    & skf21("2","2","4","3","1","1","5","1") = "4"
    & skf21("2","2","4","3","1","1","6","1") = "5"
    & skf21("2","2","4","3","1","1","7","1") = "6"
    & skf21("2","2","4","3","1","2","1","1") = "3"
    & skf21("2","2","4","3","1","2","2","1") = "3"
    & skf21("2","2","4","3","1","2","3","1") = "3"
    & skf21("2","2","4","3","1","2","4","1") = "3"
    & skf21("2","2","4","3","1","2","5","1") = "4"
    & skf21("2","2","4","3","1","2","6","1") = "5"
    & skf21("2","2","4","3","1","2","7","1") = "6"
    & skf21("2","2","4","3","1","3","1","1") = "3"
    & skf21("2","2","4","3","1","3","2","1") = "3"
    & skf21("2","2","4","3","1","3","3","1") = "3"
    & skf21("2","2","4","3","1","3","4","1") = "3"
    & skf21("2","2","4","3","1","3","5","1") = "4"
    & skf21("2","2","4","3","1","3","6","1") = "5"
    & skf21("2","2","4","3","1","3","7","1") = "6"
    & skf21("2","2","4","3","1","4","1","1") = "3"
    & skf21("2","2","4","3","1","4","2","1") = "3"
    & skf21("2","2","4","3","1","4","3","1") = "3"
    & skf21("2","2","4","3","1","4","4","1") = "3"
    & skf21("2","2","4","3","1","4","5","1") = "4"
    & skf21("2","2","4","3","1","4","6","1") = "5"
    & skf21("2","2","4","3","1","4","7","1") = "6"
    & skf21("2","2","4","3","1","5","1","1") = "4"
    & skf21("2","2","4","3","1","5","2","1") = "4"
    & skf21("2","2","4","3","1","5","3","1") = "4"
    & skf21("2","2","4","3","1","5","4","1") = "4"
    & skf21("2","2","4","3","1","5","5","1") = "4"
    & skf21("2","2","4","3","1","5","6","1") = "5"
    & skf21("2","2","4","3","1","5","7","1") = "6"
    & skf21("2","2","4","3","1","6","1","1") = "5"
    & skf21("2","2","4","3","1","6","2","1") = "5"
    & skf21("2","2","4","3","1","6","3","1") = "5"
    & skf21("2","2","4","3","1","6","4","1") = "5"
    & skf21("2","2","4","3","1","6","5","1") = "5"
    & skf21("2","2","4","3","1","6","6","1") = "5"
    & skf21("2","2","4","3","1","6","7","1") = "6"
    & skf21("2","2","4","3","1","7","1","1") = "6"
    & skf21("2","2","4","3","1","7","2","1") = "6"
    & skf21("2","2","4","3","1","7","3","1") = "6"
    & skf21("2","2","4","3","1","7","4","1") = "6"
    & skf21("2","2","4","3","1","7","5","1") = "6"
    & skf21("2","2","4","3","1","7","6","1") = "6"
    & skf21("2","2","4","3","1","7","7","1") = "6"
    & skf21("2","2","4","3","2","1","1","1") = "3"
    & skf21("2","2","4","3","2","1","2","1") = "3"
    & skf21("2","2","4","3","2","1","3","1") = "3"
    & skf21("2","2","4","3","2","1","4","1") = "3"
    & skf21("2","2","4","3","2","1","5","1") = "4"
    & skf21("2","2","4","3","2","1","6","1") = "5"
    & skf21("2","2","4","3","2","1","7","1") = "6"
    & skf21("2","2","4","3","2","2","1","1") = "3"
    & skf21("2","2","4","3","2","2","2","1") = "3"
    & skf21("2","2","4","3","2","2","3","1") = "3"
    & skf21("2","2","4","3","2","2","4","1") = "3"
    & skf21("2","2","4","3","2","2","5","1") = "4"
    & skf21("2","2","4","3","2","2","6","1") = "5"
    & skf21("2","2","4","3","2","2","7","1") = "6"
    & skf21("2","2","4","3","2","3","1","1") = "3"
    & skf21("2","2","4","3","2","3","2","1") = "3"
    & skf21("2","2","4","3","2","3","3","1") = "3"
    & skf21("2","2","4","3","2","3","4","1") = "3"
    & skf21("2","2","4","3","2","3","5","1") = "4"
    & skf21("2","2","4","3","2","3","6","1") = "5"
    & skf21("2","2","4","3","2","3","7","1") = "6"
    & skf21("2","2","4","3","2","4","1","1") = "3"
    & skf21("2","2","4","3","2","4","2","1") = "3"
    & skf21("2","2","4","3","2","4","3","1") = "3"
    & skf21("2","2","4","3","2","4","4","1") = "3"
    & skf21("2","2","4","3","2","4","5","1") = "4"
    & skf21("2","2","4","3","2","4","6","1") = "5"
    & skf21("2","2","4","3","2","4","7","1") = "6"
    & skf21("2","2","4","3","2","5","1","1") = "4"
    & skf21("2","2","4","3","2","5","2","1") = "4"
    & skf21("2","2","4","3","2","5","3","1") = "4"
    & skf21("2","2","4","3","2","5","4","1") = "4"
    & skf21("2","2","4","3","2","5","5","1") = "4"
    & skf21("2","2","4","3","2","5","6","1") = "5"
    & skf21("2","2","4","3","2","5","7","1") = "6"
    & skf21("2","2","4","3","2","6","1","1") = "5"
    & skf21("2","2","4","3","2","6","2","1") = "5"
    & skf21("2","2","4","3","2","6","3","1") = "5"
    & skf21("2","2","4","3","2","6","4","1") = "5"
    & skf21("2","2","4","3","2","6","5","1") = "5"
    & skf21("2","2","4","3","2","6","6","1") = "5"
    & skf21("2","2","4","3","2","6","7","1") = "6"
    & skf21("2","2","4","3","2","7","1","1") = "6"
    & skf21("2","2","4","3","2","7","2","1") = "6"
    & skf21("2","2","4","3","2","7","3","1") = "6"
    & skf21("2","2","4","3","2","7","4","1") = "6"
    & skf21("2","2","4","3","2","7","5","1") = "6"
    & skf21("2","2","4","3","2","7","6","1") = "6"
    & skf21("2","2","4","3","2","7","7","1") = "6"
    & skf21("2","2","4","3","3","1","1","1") = "3"
    & skf21("2","2","4","3","3","1","2","1") = "3"
    & skf21("2","2","4","3","3","1","3","1") = "3"
    & skf21("2","2","4","3","3","1","4","1") = "3"
    & skf21("2","2","4","3","3","1","5","1") = "4"
    & skf21("2","2","4","3","3","1","6","1") = "5"
    & skf21("2","2","4","3","3","1","7","1") = "6"
    & skf21("2","2","4","3","3","2","1","1") = "3"
    & skf21("2","2","4","3","3","2","2","1") = "3"
    & skf21("2","2","4","3","3","2","3","1") = "3"
    & skf21("2","2","4","3","3","2","4","1") = "3"
    & skf21("2","2","4","3","3","2","5","1") = "4"
    & skf21("2","2","4","3","3","2","6","1") = "5"
    & skf21("2","2","4","3","3","2","7","1") = "6"
    & skf21("2","2","4","3","3","3","1","1") = "3"
    & skf21("2","2","4","3","3","3","2","1") = "3"
    & skf21("2","2","4","3","3","3","3","1") = "3"
    & skf21("2","2","4","3","3","3","4","1") = "3"
    & skf21("2","2","4","3","3","3","5","1") = "4"
    & skf21("2","2","4","3","3","3","6","1") = "5"
    & skf21("2","2","4","3","3","3","7","1") = "6"
    & skf21("2","2","4","3","3","4","1","1") = "3"
    & skf21("2","2","4","3","3","4","2","1") = "3"
    & skf21("2","2","4","3","3","4","3","1") = "3"
    & skf21("2","2","4","3","3","4","4","1") = "3"
    & skf21("2","2","4","3","3","4","5","1") = "4"
    & skf21("2","2","4","3","3","4","6","1") = "5"
    & skf21("2","2","4","3","3","4","7","1") = "6"
    & skf21("2","2","4","3","3","5","1","1") = "4"
    & skf21("2","2","4","3","3","5","2","1") = "4"
    & skf21("2","2","4","3","3","5","3","1") = "4"
    & skf21("2","2","4","3","3","5","4","1") = "4"
    & skf21("2","2","4","3","3","5","5","1") = "4"
    & skf21("2","2","4","3","3","5","6","1") = "5"
    & skf21("2","2","4","3","3","5","7","1") = "6"
    & skf21("2","2","4","3","3","6","1","1") = "5"
    & skf21("2","2","4","3","3","6","2","1") = "5"
    & skf21("2","2","4","3","3","6","3","1") = "5"
    & skf21("2","2","4","3","3","6","4","1") = "5"
    & skf21("2","2","4","3","3","6","5","1") = "5"
    & skf21("2","2","4","3","3","6","6","1") = "5"
    & skf21("2","2","4","3","3","6","7","1") = "6"
    & skf21("2","2","4","3","3","7","1","1") = "6"
    & skf21("2","2","4","3","3","7","2","1") = "6"
    & skf21("2","2","4","3","3","7","3","1") = "6"
    & skf21("2","2","4","3","3","7","4","1") = "6"
    & skf21("2","2","4","3","3","7","5","1") = "6"
    & skf21("2","2","4","3","3","7","6","1") = "6"
    & skf21("2","2","4","3","3","7","7","1") = "6"
    & skf21("2","2","4","3","4","1","1","1") = "3"
    & skf21("2","2","4","3","4","1","2","1") = "3"
    & skf21("2","2","4","3","4","1","3","1") = "3"
    & skf21("2","2","4","3","4","1","4","1") = "3"
    & skf21("2","2","4","3","4","1","5","1") = "4"
    & skf21("2","2","4","3","4","1","6","1") = "5"
    & skf21("2","2","4","3","4","1","7","1") = "6"
    & skf21("2","2","4","3","4","2","1","1") = "3"
    & skf21("2","2","4","3","4","2","2","1") = "3"
    & skf21("2","2","4","3","4","2","3","1") = "3"
    & skf21("2","2","4","3","4","2","4","1") = "3"
    & skf21("2","2","4","3","4","2","5","1") = "4"
    & skf21("2","2","4","3","4","2","6","1") = "5"
    & skf21("2","2","4","3","4","2","7","1") = "6"
    & skf21("2","2","4","3","4","3","1","1") = "3"
    & skf21("2","2","4","3","4","3","2","1") = "3"
    & skf21("2","2","4","3","4","3","3","1") = "3"
    & skf21("2","2","4","3","4","3","4","1") = "3"
    & skf21("2","2","4","3","4","3","5","1") = "4"
    & skf21("2","2","4","3","4","3","6","1") = "5"
    & skf21("2","2","4","3","4","3","7","1") = "6"
    & skf21("2","2","4","3","4","4","1","1") = "3"
    & skf21("2","2","4","3","4","4","2","1") = "3"
    & skf21("2","2","4","3","4","4","3","1") = "3"
    & skf21("2","2","4","3","4","4","4","1") = "3"
    & skf21("2","2","4","3","4","4","5","1") = "4"
    & skf21("2","2","4","3","4","4","6","1") = "5"
    & skf21("2","2","4","3","4","4","7","1") = "6"
    & skf21("2","2","4","3","4","5","1","1") = "4"
    & skf21("2","2","4","3","4","5","2","1") = "4"
    & skf21("2","2","4","3","4","5","3","1") = "4"
    & skf21("2","2","4","3","4","5","4","1") = "4"
    & skf21("2","2","4","3","4","5","5","1") = "4"
    & skf21("2","2","4","3","4","5","6","1") = "5"
    & skf21("2","2","4","3","4","5","7","1") = "6"
    & skf21("2","2","4","3","4","6","1","1") = "5"
    & skf21("2","2","4","3","4","6","2","1") = "5"
    & skf21("2","2","4","3","4","6","3","1") = "5"
    & skf21("2","2","4","3","4","6","4","1") = "5"
    & skf21("2","2","4","3","4","6","5","1") = "5"
    & skf21("2","2","4","3","4","6","6","1") = "5"
    & skf21("2","2","4","3","4","6","7","1") = "6"
    & skf21("2","2","4","3","4","7","1","1") = "6"
    & skf21("2","2","4","3","4","7","2","1") = "6"
    & skf21("2","2","4","3","4","7","3","1") = "6"
    & skf21("2","2","4","3","4","7","4","1") = "6"
    & skf21("2","2","4","3","4","7","5","1") = "6"
    & skf21("2","2","4","3","4","7","6","1") = "6"
    & skf21("2","2","4","3","4","7","7","1") = "6"
    & skf21("2","2","4","3","5","1","1","1") = "4"
    & skf21("2","2","4","3","5","1","2","1") = "4"
    & skf21("2","2","4","3","5","1","3","1") = "4"
    & skf21("2","2","4","3","5","1","4","1") = "4"
    & skf21("2","2","4","3","5","1","5","1") = "4"
    & skf21("2","2","4","3","5","1","6","1") = "5"
    & skf21("2","2","4","3","5","1","7","1") = "6"
    & skf21("2","2","4","3","5","2","1","1") = "4"
    & skf21("2","2","4","3","5","2","2","1") = "4"
    & skf21("2","2","4","3","5","2","3","1") = "4"
    & skf21("2","2","4","3","5","2","4","1") = "4"
    & skf21("2","2","4","3","5","2","5","1") = "4"
    & skf21("2","2","4","3","5","2","6","1") = "5"
    & skf21("2","2","4","3","5","2","7","1") = "6"
    & skf21("2","2","4","3","5","3","1","1") = "4"
    & skf21("2","2","4","3","5","3","2","1") = "4"
    & skf21("2","2","4","3","5","3","3","1") = "4"
    & skf21("2","2","4","3","5","3","4","1") = "4"
    & skf21("2","2","4","3","5","3","5","1") = "4"
    & skf21("2","2","4","3","5","3","6","1") = "5"
    & skf21("2","2","4","3","5","3","7","1") = "6"
    & skf21("2","2","4","3","5","4","1","1") = "4"
    & skf21("2","2","4","3","5","4","2","1") = "4"
    & skf21("2","2","4","3","5","4","3","1") = "4"
    & skf21("2","2","4","3","5","4","4","1") = "4"
    & skf21("2","2","4","3","5","4","5","1") = "4"
    & skf21("2","2","4","3","5","4","6","1") = "5"
    & skf21("2","2","4","3","5","4","7","1") = "6"
    & skf21("2","2","4","3","5","5","1","1") = "4"
    & skf21("2","2","4","3","5","5","2","1") = "4"
    & skf21("2","2","4","3","5","5","3","1") = "4"
    & skf21("2","2","4","3","5","5","4","1") = "4"
    & skf21("2","2","4","3","5","5","5","1") = "4"
    & skf21("2","2","4","3","5","5","6","1") = "5"
    & skf21("2","2","4","3","5","5","7","1") = "6"
    & skf21("2","2","4","3","5","6","1","1") = "5"
    & skf21("2","2","4","3","5","6","2","1") = "5"
    & skf21("2","2","4","3","5","6","3","1") = "5"
    & skf21("2","2","4","3","5","6","4","1") = "5"
    & skf21("2","2","4","3","5","6","5","1") = "5"
    & skf21("2","2","4","3","5","6","6","1") = "5"
    & skf21("2","2","4","3","5","6","7","1") = "6"
    & skf21("2","2","4","3","5","7","1","1") = "6"
    & skf21("2","2","4","3","5","7","2","1") = "6"
    & skf21("2","2","4","3","5","7","3","1") = "6"
    & skf21("2","2","4","3","5","7","4","1") = "6"
    & skf21("2","2","4","3","5","7","5","1") = "6"
    & skf21("2","2","4","3","5","7","6","1") = "6"
    & skf21("2","2","4","3","5","7","7","1") = "6"
    & skf21("2","2","4","3","6","1","1","1") = "5"
    & skf21("2","2","4","3","6","1","2","1") = "5"
    & skf21("2","2","4","3","6","1","3","1") = "5"
    & skf21("2","2","4","3","6","1","4","1") = "5"
    & skf21("2","2","4","3","6","1","5","1") = "5"
    & skf21("2","2","4","3","6","1","6","1") = "5"
    & skf21("2","2","4","3","6","1","7","1") = "6"
    & skf21("2","2","4","3","6","2","1","1") = "5"
    & skf21("2","2","4","3","6","2","2","1") = "5"
    & skf21("2","2","4","3","6","2","3","1") = "5"
    & skf21("2","2","4","3","6","2","4","1") = "5"
    & skf21("2","2","4","3","6","2","5","1") = "5"
    & skf21("2","2","4","3","6","2","6","1") = "5"
    & skf21("2","2","4","3","6","2","7","1") = "6"
    & skf21("2","2","4","3","6","3","1","1") = "5"
    & skf21("2","2","4","3","6","3","2","1") = "5"
    & skf21("2","2","4","3","6","3","3","1") = "5"
    & skf21("2","2","4","3","6","3","4","1") = "5"
    & skf21("2","2","4","3","6","3","5","1") = "5"
    & skf21("2","2","4","3","6","3","6","1") = "5"
    & skf21("2","2","4","3","6","3","7","1") = "6"
    & skf21("2","2","4","3","6","4","1","1") = "5"
    & skf21("2","2","4","3","6","4","2","1") = "5"
    & skf21("2","2","4","3","6","4","3","1") = "5"
    & skf21("2","2","4","3","6","4","4","1") = "5"
    & skf21("2","2","4","3","6","4","5","1") = "5"
    & skf21("2","2","4","3","6","4","6","1") = "5"
    & skf21("2","2","4","3","6","4","7","1") = "6"
    & skf21("2","2","4","3","6","5","1","1") = "5"
    & skf21("2","2","4","3","6","5","2","1") = "5"
    & skf21("2","2","4","3","6","5","3","1") = "5"
    & skf21("2","2","4","3","6","5","4","1") = "5"
    & skf21("2","2","4","3","6","5","5","1") = "5"
    & skf21("2","2","4","3","6","5","6","1") = "5"
    & skf21("2","2","4","3","6","5","7","1") = "6"
    & skf21("2","2","4","3","6","6","1","1") = "5"
    & skf21("2","2","4","3","6","6","2","1") = "5"
    & skf21("2","2","4","3","6","6","3","1") = "5"
    & skf21("2","2","4","3","6","6","4","1") = "5"
    & skf21("2","2","4","3","6","6","5","1") = "5"
    & skf21("2","2","4","3","6","6","6","1") = "5"
    & skf21("2","2","4","3","6","6","7","1") = "6"
    & skf21("2","2","4","3","6","7","1","1") = "6"
    & skf21("2","2","4","3","6","7","2","1") = "6"
    & skf21("2","2","4","3","6","7","3","1") = "6"
    & skf21("2","2","4","3","6","7","4","1") = "6"
    & skf21("2","2","4","3","6","7","5","1") = "6"
    & skf21("2","2","4","3","6","7","6","1") = "6"
    & skf21("2","2","4","3","6","7","7","1") = "6"
    & skf21("2","2","4","3","7","1","1","1") = "6"
    & skf21("2","2","4","3","7","1","2","1") = "6"
    & skf21("2","2","4","3","7","1","3","1") = "6"
    & skf21("2","2","4","3","7","1","4","1") = "6"
    & skf21("2","2","4","3","7","1","5","1") = "6"
    & skf21("2","2","4","3","7","1","6","1") = "6"
    & skf21("2","2","4","3","7","1","7","1") = "6"
    & skf21("2","2","4","3","7","2","1","1") = "6"
    & skf21("2","2","4","3","7","2","2","1") = "6"
    & skf21("2","2","4","3","7","2","3","1") = "6"
    & skf21("2","2","4","3","7","2","4","1") = "6"
    & skf21("2","2","4","3","7","2","5","1") = "6"
    & skf21("2","2","4","3","7","2","6","1") = "6"
    & skf21("2","2","4","3","7","2","7","1") = "6"
    & skf21("2","2","4","3","7","3","1","1") = "6"
    & skf21("2","2","4","3","7","3","2","1") = "6"
    & skf21("2","2","4","3","7","3","3","1") = "6"
    & skf21("2","2","4","3","7","3","4","1") = "6"
    & skf21("2","2","4","3","7","3","5","1") = "6"
    & skf21("2","2","4","3","7","3","6","1") = "6"
    & skf21("2","2","4","3","7","3","7","1") = "6"
    & skf21("2","2","4","3","7","4","1","1") = "6"
    & skf21("2","2","4","3","7","4","2","1") = "6"
    & skf21("2","2","4","3","7","4","3","1") = "6"
    & skf21("2","2","4","3","7","4","4","1") = "6"
    & skf21("2","2","4","3","7","4","5","1") = "6"
    & skf21("2","2","4","3","7","4","6","1") = "6"
    & skf21("2","2","4","3","7","4","7","1") = "6"
    & skf21("2","2","4","3","7","5","1","1") = "6"
    & skf21("2","2","4","3","7","5","2","1") = "6"
    & skf21("2","2","4","3","7","5","3","1") = "6"
    & skf21("2","2","4","3","7","5","4","1") = "6"
    & skf21("2","2","4","3","7","5","5","1") = "6"
    & skf21("2","2","4","3","7","5","6","1") = "6"
    & skf21("2","2","4","3","7","5","7","1") = "6"
    & skf21("2","2","4","3","7","6","1","1") = "6"
    & skf21("2","2","4","3","7","6","2","1") = "6"
    & skf21("2","2","4","3","7","6","3","1") = "6"
    & skf21("2","2","4","3","7","6","4","1") = "6"
    & skf21("2","2","4","3","7","6","5","1") = "6"
    & skf21("2","2","4","3","7","6","6","1") = "6"
    & skf21("2","2","4","3","7","6","7","1") = "6"
    & skf21("2","2","4","3","7","7","1","1") = "6"
    & skf21("2","2","4","3","7","7","2","1") = "6"
    & skf21("2","2","4","3","7","7","3","1") = "6"
    & skf21("2","2","4","3","7","7","4","1") = "6"
    & skf21("2","2","4","3","7","7","5","1") = "6"
    & skf21("2","2","4","3","7","7","6","1") = "6"
    & skf21("2","2","4","3","7","7","7","1") = "6"
    & skf21("2","2","4","4","1","1","1","1") = "3"
    & skf21("2","2","4","4","1","1","2","1") = "3"
    & skf21("2","2","4","4","1","1","3","1") = "3"
    & skf21("2","2","4","4","1","1","4","1") = "3"
    & skf21("2","2","4","4","1","1","5","1") = "4"
    & skf21("2","2","4","4","1","1","6","1") = "5"
    & skf21("2","2","4","4","1","1","7","1") = "6"
    & skf21("2","2","4","4","1","2","1","1") = "3"
    & skf21("2","2","4","4","1","2","2","1") = "3"
    & skf21("2","2","4","4","1","2","3","1") = "3"
    & skf21("2","2","4","4","1","2","4","1") = "3"
    & skf21("2","2","4","4","1","2","5","1") = "4"
    & skf21("2","2","4","4","1","2","6","1") = "5"
    & skf21("2","2","4","4","1","2","7","1") = "6"
    & skf21("2","2","4","4","1","3","1","1") = "3"
    & skf21("2","2","4","4","1","3","2","1") = "3"
    & skf21("2","2","4","4","1","3","3","1") = "3"
    & skf21("2","2","4","4","1","3","4","1") = "3"
    & skf21("2","2","4","4","1","3","5","1") = "4"
    & skf21("2","2","4","4","1","3","6","1") = "5"
    & skf21("2","2","4","4","1","3","7","1") = "6"
    & skf21("2","2","4","4","1","4","1","1") = "3"
    & skf21("2","2","4","4","1","4","2","1") = "3"
    & skf21("2","2","4","4","1","4","3","1") = "3"
    & skf21("2","2","4","4","1","4","4","1") = "3"
    & skf21("2","2","4","4","1","4","5","1") = "4"
    & skf21("2","2","4","4","1","4","6","1") = "5"
    & skf21("2","2","4","4","1","4","7","1") = "6"
    & skf21("2","2","4","4","1","5","1","1") = "4"
    & skf21("2","2","4","4","1","5","2","1") = "4"
    & skf21("2","2","4","4","1","5","3","1") = "4"
    & skf21("2","2","4","4","1","5","4","1") = "4"
    & skf21("2","2","4","4","1","5","5","1") = "4"
    & skf21("2","2","4","4","1","5","6","1") = "5"
    & skf21("2","2","4","4","1","5","7","1") = "6"
    & skf21("2","2","4","4","1","6","1","1") = "5"
    & skf21("2","2","4","4","1","6","2","1") = "5"
    & skf21("2","2","4","4","1","6","3","1") = "5"
    & skf21("2","2","4","4","1","6","4","1") = "5"
    & skf21("2","2","4","4","1","6","5","1") = "5"
    & skf21("2","2","4","4","1","6","6","1") = "5"
    & skf21("2","2","4","4","1","6","7","1") = "6"
    & skf21("2","2","4","4","1","7","1","1") = "6"
    & skf21("2","2","4","4","1","7","2","1") = "6"
    & skf21("2","2","4","4","1","7","3","1") = "6"
    & skf21("2","2","4","4","1","7","4","1") = "6"
    & skf21("2","2","4","4","1","7","5","1") = "6"
    & skf21("2","2","4","4","1","7","6","1") = "6"
    & skf21("2","2","4","4","1","7","7","1") = "6"
    & skf21("2","2","4","4","2","1","1","1") = "3"
    & skf21("2","2","4","4","2","1","2","1") = "3"
    & skf21("2","2","4","4","2","1","3","1") = "3"
    & skf21("2","2","4","4","2","1","4","1") = "3"
    & skf21("2","2","4","4","2","1","5","1") = "4"
    & skf21("2","2","4","4","2","1","6","1") = "5"
    & skf21("2","2","4","4","2","1","7","1") = "6"
    & skf21("2","2","4","4","2","2","1","1") = "3"
    & skf21("2","2","4","4","2","2","2","1") = "3"
    & skf21("2","2","4","4","2","2","3","1") = "3"
    & skf21("2","2","4","4","2","2","4","1") = "3"
    & skf21("2","2","4","4","2","2","5","1") = "4"
    & skf21("2","2","4","4","2","2","6","1") = "5"
    & skf21("2","2","4","4","2","2","7","1") = "6"
    & skf21("2","2","4","4","2","3","1","1") = "3"
    & skf21("2","2","4","4","2","3","2","1") = "3"
    & skf21("2","2","4","4","2","3","3","1") = "3"
    & skf21("2","2","4","4","2","3","4","1") = "3"
    & skf21("2","2","4","4","2","3","5","1") = "4"
    & skf21("2","2","4","4","2","3","6","1") = "5"
    & skf21("2","2","4","4","2","3","7","1") = "6"
    & skf21("2","2","4","4","2","4","1","1") = "3"
    & skf21("2","2","4","4","2","4","2","1") = "3"
    & skf21("2","2","4","4","2","4","3","1") = "3"
    & skf21("2","2","4","4","2","4","4","1") = "3"
    & skf21("2","2","4","4","2","4","5","1") = "4"
    & skf21("2","2","4","4","2","4","6","1") = "5"
    & skf21("2","2","4","4","2","4","7","1") = "6"
    & skf21("2","2","4","4","2","5","1","1") = "4"
    & skf21("2","2","4","4","2","5","2","1") = "4"
    & skf21("2","2","4","4","2","5","3","1") = "4"
    & skf21("2","2","4","4","2","5","4","1") = "4"
    & skf21("2","2","4","4","2","5","5","1") = "4"
    & skf21("2","2","4","4","2","5","6","1") = "5"
    & skf21("2","2","4","4","2","5","7","1") = "6"
    & skf21("2","2","4","4","2","6","1","1") = "5"
    & skf21("2","2","4","4","2","6","2","1") = "5"
    & skf21("2","2","4","4","2","6","3","1") = "5"
    & skf21("2","2","4","4","2","6","4","1") = "5"
    & skf21("2","2","4","4","2","6","5","1") = "5"
    & skf21("2","2","4","4","2","6","6","1") = "5"
    & skf21("2","2","4","4","2","6","7","1") = "6"
    & skf21("2","2","4","4","2","7","1","1") = "6"
    & skf21("2","2","4","4","2","7","2","1") = "6"
    & skf21("2","2","4","4","2","7","3","1") = "6"
    & skf21("2","2","4","4","2","7","4","1") = "6"
    & skf21("2","2","4","4","2","7","5","1") = "6"
    & skf21("2","2","4","4","2","7","6","1") = "6"
    & skf21("2","2","4","4","2","7","7","1") = "6"
    & skf21("2","2","4","4","3","1","1","1") = "3"
    & skf21("2","2","4","4","3","1","2","1") = "3"
    & skf21("2","2","4","4","3","1","3","1") = "3"
    & skf21("2","2","4","4","3","1","4","1") = "3"
    & skf21("2","2","4","4","3","1","5","1") = "4"
    & skf21("2","2","4","4","3","1","6","1") = "5"
    & skf21("2","2","4","4","3","1","7","1") = "6"
    & skf21("2","2","4","4","3","2","1","1") = "3"
    & skf21("2","2","4","4","3","2","2","1") = "3"
    & skf21("2","2","4","4","3","2","3","1") = "3"
    & skf21("2","2","4","4","3","2","4","1") = "3"
    & skf21("2","2","4","4","3","2","5","1") = "4"
    & skf21("2","2","4","4","3","2","6","1") = "5"
    & skf21("2","2","4","4","3","2","7","1") = "6"
    & skf21("2","2","4","4","3","3","1","1") = "3"
    & skf21("2","2","4","4","3","3","2","1") = "3"
    & skf21("2","2","4","4","3","3","3","1") = "3"
    & skf21("2","2","4","4","3","3","4","1") = "3"
    & skf21("2","2","4","4","3","3","5","1") = "4"
    & skf21("2","2","4","4","3","3","6","1") = "5"
    & skf21("2","2","4","4","3","3","7","1") = "6"
    & skf21("2","2","4","4","3","4","1","1") = "3"
    & skf21("2","2","4","4","3","4","2","1") = "3"
    & skf21("2","2","4","4","3","4","3","1") = "3"
    & skf21("2","2","4","4","3","4","4","1") = "3"
    & skf21("2","2","4","4","3","4","5","1") = "4"
    & skf21("2","2","4","4","3","4","6","1") = "5"
    & skf21("2","2","4","4","3","4","7","1") = "6"
    & skf21("2","2","4","4","3","5","1","1") = "4"
    & skf21("2","2","4","4","3","5","2","1") = "4"
    & skf21("2","2","4","4","3","5","3","1") = "4"
    & skf21("2","2","4","4","3","5","4","1") = "4"
    & skf21("2","2","4","4","3","5","5","1") = "4"
    & skf21("2","2","4","4","3","5","6","1") = "5"
    & skf21("2","2","4","4","3","5","7","1") = "6"
    & skf21("2","2","4","4","3","6","1","1") = "5"
    & skf21("2","2","4","4","3","6","2","1") = "5"
    & skf21("2","2","4","4","3","6","3","1") = "5"
    & skf21("2","2","4","4","3","6","4","1") = "5"
    & skf21("2","2","4","4","3","6","5","1") = "5"
    & skf21("2","2","4","4","3","6","6","1") = "5"
    & skf21("2","2","4","4","3","6","7","1") = "6"
    & skf21("2","2","4","4","3","7","1","1") = "6"
    & skf21("2","2","4","4","3","7","2","1") = "6"
    & skf21("2","2","4","4","3","7","3","1") = "6"
    & skf21("2","2","4","4","3","7","4","1") = "6"
    & skf21("2","2","4","4","3","7","5","1") = "6"
    & skf21("2","2","4","4","3","7","6","1") = "6"
    & skf21("2","2","4","4","3","7","7","1") = "6"
    & skf21("2","2","4","4","4","1","1","1") = "3"
    & skf21("2","2","4","4","4","1","2","1") = "3"
    & skf21("2","2","4","4","4","1","3","1") = "3"
    & skf21("2","2","4","4","4","1","4","1") = "3"
    & skf21("2","2","4","4","4","1","5","1") = "4"
    & skf21("2","2","4","4","4","1","6","1") = "5"
    & skf21("2","2","4","4","4","1","7","1") = "6"
    & skf21("2","2","4","4","4","2","1","1") = "3"
    & skf21("2","2","4","4","4","2","2","1") = "3"
    & skf21("2","2","4","4","4","2","3","1") = "3"
    & skf21("2","2","4","4","4","2","4","1") = "3"
    & skf21("2","2","4","4","4","2","5","1") = "4"
    & skf21("2","2","4","4","4","2","6","1") = "5"
    & skf21("2","2","4","4","4","2","7","1") = "6"
    & skf21("2","2","4","4","4","3","1","1") = "3"
    & skf21("2","2","4","4","4","3","2","1") = "3"
    & skf21("2","2","4","4","4","3","3","1") = "3"
    & skf21("2","2","4","4","4","3","4","1") = "3"
    & skf21("2","2","4","4","4","3","5","1") = "4"
    & skf21("2","2","4","4","4","3","6","1") = "5"
    & skf21("2","2","4","4","4","3","7","1") = "6"
    & skf21("2","2","4","4","4","4","1","1") = "3"
    & skf21("2","2","4","4","4","4","2","1") = "3"
    & skf21("2","2","4","4","4","4","3","1") = "3"
    & skf21("2","2","4","4","4","4","4","1") = "3"
    & skf21("2","2","4","4","4","4","5","1") = "4"
    & skf21("2","2","4","4","4","4","6","1") = "5"
    & skf21("2","2","4","4","4","4","7","1") = "6"
    & skf21("2","2","4","4","4","5","1","1") = "4"
    & skf21("2","2","4","4","4","5","2","1") = "4"
    & skf21("2","2","4","4","4","5","3","1") = "4"
    & skf21("2","2","4","4","4","5","4","1") = "4"
    & skf21("2","2","4","4","4","5","5","1") = "4"
    & skf21("2","2","4","4","4","5","6","1") = "5"
    & skf21("2","2","4","4","4","5","7","1") = "6"
    & skf21("2","2","4","4","4","6","1","1") = "5"
    & skf21("2","2","4","4","4","6","2","1") = "5"
    & skf21("2","2","4","4","4","6","3","1") = "5"
    & skf21("2","2","4","4","4","6","4","1") = "5"
    & skf21("2","2","4","4","4","6","5","1") = "5"
    & skf21("2","2","4","4","4","6","6","1") = "5"
    & skf21("2","2","4","4","4","6","7","1") = "6"
    & skf21("2","2","4","4","4","7","1","1") = "6"
    & skf21("2","2","4","4","4","7","2","1") = "6"
    & skf21("2","2","4","4","4","7","3","1") = "6"
    & skf21("2","2","4","4","4","7","4","1") = "6"
    & skf21("2","2","4","4","4","7","5","1") = "6"
    & skf21("2","2","4","4","4","7","6","1") = "6"
    & skf21("2","2","4","4","4","7","7","1") = "6"
    & skf21("2","2","4","4","5","1","1","1") = "4"
    & skf21("2","2","4","4","5","1","2","1") = "4"
    & skf21("2","2","4","4","5","1","3","1") = "4"
    & skf21("2","2","4","4","5","1","4","1") = "4"
    & skf21("2","2","4","4","5","1","5","1") = "4"
    & skf21("2","2","4","4","5","1","6","1") = "5"
    & skf21("2","2","4","4","5","1","7","1") = "6"
    & skf21("2","2","4","4","5","2","1","1") = "4"
    & skf21("2","2","4","4","5","2","2","1") = "4"
    & skf21("2","2","4","4","5","2","3","1") = "4"
    & skf21("2","2","4","4","5","2","4","1") = "4"
    & skf21("2","2","4","4","5","2","5","1") = "4"
    & skf21("2","2","4","4","5","2","6","1") = "5"
    & skf21("2","2","4","4","5","2","7","1") = "6"
    & skf21("2","2","4","4","5","3","1","1") = "4"
    & skf21("2","2","4","4","5","3","2","1") = "4"
    & skf21("2","2","4","4","5","3","3","1") = "4"
    & skf21("2","2","4","4","5","3","4","1") = "4"
    & skf21("2","2","4","4","5","3","5","1") = "4"
    & skf21("2","2","4","4","5","3","6","1") = "5"
    & skf21("2","2","4","4","5","3","7","1") = "6"
    & skf21("2","2","4","4","5","4","1","1") = "4"
    & skf21("2","2","4","4","5","4","2","1") = "4"
    & skf21("2","2","4","4","5","4","3","1") = "4"
    & skf21("2","2","4","4","5","4","4","1") = "4"
    & skf21("2","2","4","4","5","4","5","1") = "4"
    & skf21("2","2","4","4","5","4","6","1") = "5"
    & skf21("2","2","4","4","5","4","7","1") = "6"
    & skf21("2","2","4","4","5","5","1","1") = "4"
    & skf21("2","2","4","4","5","5","2","1") = "4"
    & skf21("2","2","4","4","5","5","3","1") = "4"
    & skf21("2","2","4","4","5","5","4","1") = "4"
    & skf21("2","2","4","4","5","5","5","1") = "4"
    & skf21("2","2","4","4","5","5","6","1") = "5"
    & skf21("2","2","4","4","5","5","7","1") = "6"
    & skf21("2","2","4","4","5","6","1","1") = "5"
    & skf21("2","2","4","4","5","6","2","1") = "5"
    & skf21("2","2","4","4","5","6","3","1") = "5"
    & skf21("2","2","4","4","5","6","4","1") = "5"
    & skf21("2","2","4","4","5","6","5","1") = "5"
    & skf21("2","2","4","4","5","6","6","1") = "5"
    & skf21("2","2","4","4","5","6","7","1") = "6"
    & skf21("2","2","4","4","5","7","1","1") = "6"
    & skf21("2","2","4","4","5","7","2","1") = "6"
    & skf21("2","2","4","4","5","7","3","1") = "6"
    & skf21("2","2","4","4","5","7","4","1") = "6"
    & skf21("2","2","4","4","5","7","5","1") = "6"
    & skf21("2","2","4","4","5","7","6","1") = "6"
    & skf21("2","2","4","4","5","7","7","1") = "6"
    & skf21("2","2","4","4","6","1","1","1") = "5"
    & skf21("2","2","4","4","6","1","2","1") = "5"
    & skf21("2","2","4","4","6","1","3","1") = "5"
    & skf21("2","2","4","4","6","1","4","1") = "5"
    & skf21("2","2","4","4","6","1","5","1") = "5"
    & skf21("2","2","4","4","6","1","6","1") = "5"
    & skf21("2","2","4","4","6","1","7","1") = "6"
    & skf21("2","2","4","4","6","2","1","1") = "5"
    & skf21("2","2","4","4","6","2","2","1") = "5"
    & skf21("2","2","4","4","6","2","3","1") = "5"
    & skf21("2","2","4","4","6","2","4","1") = "5"
    & skf21("2","2","4","4","6","2","5","1") = "5"
    & skf21("2","2","4","4","6","2","6","1") = "5"
    & skf21("2","2","4","4","6","2","7","1") = "6"
    & skf21("2","2","4","4","6","3","1","1") = "5"
    & skf21("2","2","4","4","6","3","2","1") = "5"
    & skf21("2","2","4","4","6","3","3","1") = "5"
    & skf21("2","2","4","4","6","3","4","1") = "5"
    & skf21("2","2","4","4","6","3","5","1") = "5"
    & skf21("2","2","4","4","6","3","6","1") = "5"
    & skf21("2","2","4","4","6","3","7","1") = "6"
    & skf21("2","2","4","4","6","4","1","1") = "5"
    & skf21("2","2","4","4","6","4","2","1") = "5"
    & skf21("2","2","4","4","6","4","3","1") = "5"
    & skf21("2","2","4","4","6","4","4","1") = "5"
    & skf21("2","2","4","4","6","4","5","1") = "5"
    & skf21("2","2","4","4","6","4","6","1") = "5"
    & skf21("2","2","4","4","6","4","7","1") = "6"
    & skf21("2","2","4","4","6","5","1","1") = "5"
    & skf21("2","2","4","4","6","5","2","1") = "5"
    & skf21("2","2","4","4","6","5","3","1") = "5"
    & skf21("2","2","4","4","6","5","4","1") = "5"
    & skf21("2","2","4","4","6","5","5","1") = "5"
    & skf21("2","2","4","4","6","5","6","1") = "5"
    & skf21("2","2","4","4","6","5","7","1") = "6"
    & skf21("2","2","4","4","6","6","1","1") = "5"
    & skf21("2","2","4","4","6","6","2","1") = "5"
    & skf21("2","2","4","4","6","6","3","1") = "5"
    & skf21("2","2","4","4","6","6","4","1") = "5"
    & skf21("2","2","4","4","6","6","5","1") = "5"
    & skf21("2","2","4","4","6","6","6","1") = "5"
    & skf21("2","2","4","4","6","6","7","1") = "6"
    & skf21("2","2","4","4","6","7","1","1") = "6"
    & skf21("2","2","4","4","6","7","2","1") = "6"
    & skf21("2","2","4","4","6","7","3","1") = "6"
    & skf21("2","2","4","4","6","7","4","1") = "6"
    & skf21("2","2","4","4","6","7","5","1") = "6"
    & skf21("2","2","4","4","6","7","6","1") = "6"
    & skf21("2","2","4","4","6","7","7","1") = "6"
    & skf21("2","2","4","4","7","1","1","1") = "6"
    & skf21("2","2","4","4","7","1","2","1") = "6"
    & skf21("2","2","4","4","7","1","3","1") = "6"
    & skf21("2","2","4","4","7","1","4","1") = "6"
    & skf21("2","2","4","4","7","1","5","1") = "6"
    & skf21("2","2","4","4","7","1","6","1") = "6"
    & skf21("2","2","4","4","7","1","7","1") = "6"
    & skf21("2","2","4","4","7","2","1","1") = "6"
    & skf21("2","2","4","4","7","2","2","1") = "6"
    & skf21("2","2","4","4","7","2","3","1") = "6"
    & skf21("2","2","4","4","7","2","4","1") = "6"
    & skf21("2","2","4","4","7","2","5","1") = "6"
    & skf21("2","2","4","4","7","2","6","1") = "6"
    & skf21("2","2","4","4","7","2","7","1") = "6"
    & skf21("2","2","4","4","7","3","1","1") = "6"
    & skf21("2","2","4","4","7","3","2","1") = "6"
    & skf21("2","2","4","4","7","3","3","1") = "6"
    & skf21("2","2","4","4","7","3","4","1") = "6"
    & skf21("2","2","4","4","7","3","5","1") = "6"
    & skf21("2","2","4","4","7","3","6","1") = "6"
    & skf21("2","2","4","4","7","3","7","1") = "6"
    & skf21("2","2","4","4","7","4","1","1") = "6"
    & skf21("2","2","4","4","7","4","2","1") = "6"
    & skf21("2","2","4","4","7","4","3","1") = "6"
    & skf21("2","2","4","4","7","4","4","1") = "6"
    & skf21("2","2","4","4","7","4","5","1") = "6"
    & skf21("2","2","4","4","7","4","6","1") = "6"
    & skf21("2","2","4","4","7","4","7","1") = "6"
    & skf21("2","2","4","4","7","5","1","1") = "6"
    & skf21("2","2","4","4","7","5","2","1") = "6"
    & skf21("2","2","4","4","7","5","3","1") = "6"
    & skf21("2","2","4","4","7","5","4","1") = "6"
    & skf21("2","2","4","4","7","5","5","1") = "6"
    & skf21("2","2","4","4","7","5","6","1") = "6"
    & skf21("2","2","4","4","7","5","7","1") = "6"
    & skf21("2","2","4","4","7","6","1","1") = "6"
    & skf21("2","2","4","4","7","6","2","1") = "6"
    & skf21("2","2","4","4","7","6","3","1") = "6"
    & skf21("2","2","4","4","7","6","4","1") = "6"
    & skf21("2","2","4","4","7","6","5","1") = "6"
    & skf21("2","2","4","4","7","6","6","1") = "6"
    & skf21("2","2","4","4","7","6","7","1") = "6"
    & skf21("2","2","4","4","7","7","1","1") = "6"
    & skf21("2","2","4","4","7","7","2","1") = "6"
    & skf21("2","2","4","4","7","7","3","1") = "6"
    & skf21("2","2","4","4","7","7","4","1") = "6"
    & skf21("2","2","4","4","7","7","5","1") = "6"
    & skf21("2","2","4","4","7","7","6","1") = "6"
    & skf21("2","2","4","4","7","7","7","1") = "6"
    & skf21("2","2","4","5","1","1","1","1") = "4"
    & skf21("2","2","4","5","1","1","2","1") = "4"
    & skf21("2","2","4","5","1","1","3","1") = "4"
    & skf21("2","2","4","5","1","1","4","1") = "4"
    & skf21("2","2","4","5","1","1","5","1") = "4"
    & skf21("2","2","4","5","1","1","6","1") = "5"
    & skf21("2","2","4","5","1","1","7","1") = "6"
    & skf21("2","2","4","5","1","2","1","1") = "4"
    & skf21("2","2","4","5","1","2","2","1") = "4"
    & skf21("2","2","4","5","1","2","3","1") = "4"
    & skf21("2","2","4","5","1","2","4","1") = "4"
    & skf21("2","2","4","5","1","2","5","1") = "4"
    & skf21("2","2","4","5","1","2","6","1") = "5"
    & skf21("2","2","4","5","1","2","7","1") = "6"
    & skf21("2","2","4","5","1","3","1","1") = "4"
    & skf21("2","2","4","5","1","3","2","1") = "4"
    & skf21("2","2","4","5","1","3","3","1") = "4"
    & skf21("2","2","4","5","1","3","4","1") = "4"
    & skf21("2","2","4","5","1","3","5","1") = "4"
    & skf21("2","2","4","5","1","3","6","1") = "5"
    & skf21("2","2","4","5","1","3","7","1") = "6"
    & skf21("2","2","4","5","1","4","1","1") = "4"
    & skf21("2","2","4","5","1","4","2","1") = "4"
    & skf21("2","2","4","5","1","4","3","1") = "4"
    & skf21("2","2","4","5","1","4","4","1") = "4"
    & skf21("2","2","4","5","1","4","5","1") = "4"
    & skf21("2","2","4","5","1","4","6","1") = "5"
    & skf21("2","2","4","5","1","4","7","1") = "6"
    & skf21("2","2","4","5","1","5","1","1") = "4"
    & skf21("2","2","4","5","1","5","2","1") = "4"
    & skf21("2","2","4","5","1","5","3","1") = "4"
    & skf21("2","2","4","5","1","5","4","1") = "4"
    & skf21("2","2","4","5","1","5","5","1") = "4"
    & skf21("2","2","4","5","1","5","6","1") = "5"
    & skf21("2","2","4","5","1","5","7","1") = "6"
    & skf21("2","2","4","5","1","6","1","1") = "5"
    & skf21("2","2","4","5","1","6","2","1") = "5"
    & skf21("2","2","4","5","1","6","3","1") = "5"
    & skf21("2","2","4","5","1","6","4","1") = "5"
    & skf21("2","2","4","5","1","6","5","1") = "5"
    & skf21("2","2","4","5","1","6","6","1") = "5"
    & skf21("2","2","4","5","1","6","7","1") = "6"
    & skf21("2","2","4","5","1","7","1","1") = "6"
    & skf21("2","2","4","5","1","7","2","1") = "6"
    & skf21("2","2","4","5","1","7","3","1") = "6"
    & skf21("2","2","4","5","1","7","4","1") = "6"
    & skf21("2","2","4","5","1","7","5","1") = "6"
    & skf21("2","2","4","5","1","7","6","1") = "6"
    & skf21("2","2","4","5","1","7","7","1") = "6"
    & skf21("2","2","4","5","2","1","1","1") = "4"
    & skf21("2","2","4","5","2","1","2","1") = "4"
    & skf21("2","2","4","5","2","1","3","1") = "4"
    & skf21("2","2","4","5","2","1","4","1") = "4"
    & skf21("2","2","4","5","2","1","5","1") = "4"
    & skf21("2","2","4","5","2","1","6","1") = "5"
    & skf21("2","2","4","5","2","1","7","1") = "6"
    & skf21("2","2","4","5","2","2","1","1") = "4"
    & skf21("2","2","4","5","2","2","2","1") = "4"
    & skf21("2","2","4","5","2","2","3","1") = "4"
    & skf21("2","2","4","5","2","2","4","1") = "4"
    & skf21("2","2","4","5","2","2","5","1") = "4"
    & skf21("2","2","4","5","2","2","6","1") = "5"
    & skf21("2","2","4","5","2","2","7","1") = "6"
    & skf21("2","2","4","5","2","3","1","1") = "4"
    & skf21("2","2","4","5","2","3","2","1") = "4"
    & skf21("2","2","4","5","2","3","3","1") = "4"
    & skf21("2","2","4","5","2","3","4","1") = "4"
    & skf21("2","2","4","5","2","3","5","1") = "4"
    & skf21("2","2","4","5","2","3","6","1") = "5"
    & skf21("2","2","4","5","2","3","7","1") = "6"
    & skf21("2","2","4","5","2","4","1","1") = "4"
    & skf21("2","2","4","5","2","4","2","1") = "4"
    & skf21("2","2","4","5","2","4","3","1") = "4"
    & skf21("2","2","4","5","2","4","4","1") = "4"
    & skf21("2","2","4","5","2","4","5","1") = "4"
    & skf21("2","2","4","5","2","4","6","1") = "5"
    & skf21("2","2","4","5","2","4","7","1") = "6"
    & skf21("2","2","4","5","2","5","1","1") = "4"
    & skf21("2","2","4","5","2","5","2","1") = "4"
    & skf21("2","2","4","5","2","5","3","1") = "4"
    & skf21("2","2","4","5","2","5","4","1") = "4"
    & skf21("2","2","4","5","2","5","5","1") = "4"
    & skf21("2","2","4","5","2","5","6","1") = "5"
    & skf21("2","2","4","5","2","5","7","1") = "6"
    & skf21("2","2","4","5","2","6","1","1") = "5"
    & skf21("2","2","4","5","2","6","2","1") = "5"
    & skf21("2","2","4","5","2","6","3","1") = "5"
    & skf21("2","2","4","5","2","6","4","1") = "5"
    & skf21("2","2","4","5","2","6","5","1") = "5"
    & skf21("2","2","4","5","2","6","6","1") = "5"
    & skf21("2","2","4","5","2","6","7","1") = "6"
    & skf21("2","2","4","5","2","7","1","1") = "6"
    & skf21("2","2","4","5","2","7","2","1") = "6"
    & skf21("2","2","4","5","2","7","3","1") = "6"
    & skf21("2","2","4","5","2","7","4","1") = "6"
    & skf21("2","2","4","5","2","7","5","1") = "6"
    & skf21("2","2","4","5","2","7","6","1") = "6"
    & skf21("2","2","4","5","2","7","7","1") = "6"
    & skf21("2","2","4","5","3","1","1","1") = "4"
    & skf21("2","2","4","5","3","1","2","1") = "4"
    & skf21("2","2","4","5","3","1","3","1") = "4"
    & skf21("2","2","4","5","3","1","4","1") = "4"
    & skf21("2","2","4","5","3","1","5","1") = "4"
    & skf21("2","2","4","5","3","1","6","1") = "5"
    & skf21("2","2","4","5","3","1","7","1") = "6"
    & skf21("2","2","4","5","3","2","1","1") = "4"
    & skf21("2","2","4","5","3","2","2","1") = "4"
    & skf21("2","2","4","5","3","2","3","1") = "4"
    & skf21("2","2","4","5","3","2","4","1") = "4"
    & skf21("2","2","4","5","3","2","5","1") = "4"
    & skf21("2","2","4","5","3","2","6","1") = "5"
    & skf21("2","2","4","5","3","2","7","1") = "6"
    & skf21("2","2","4","5","3","3","1","1") = "4"
    & skf21("2","2","4","5","3","3","2","1") = "4"
    & skf21("2","2","4","5","3","3","3","1") = "4"
    & skf21("2","2","4","5","3","3","4","1") = "4"
    & skf21("2","2","4","5","3","3","5","1") = "4"
    & skf21("2","2","4","5","3","3","6","1") = "5"
    & skf21("2","2","4","5","3","3","7","1") = "6"
    & skf21("2","2","4","5","3","4","1","1") = "4"
    & skf21("2","2","4","5","3","4","2","1") = "4"
    & skf21("2","2","4","5","3","4","3","1") = "4"
    & skf21("2","2","4","5","3","4","4","1") = "4"
    & skf21("2","2","4","5","3","4","5","1") = "4"
    & skf21("2","2","4","5","3","4","6","1") = "5"
    & skf21("2","2","4","5","3","4","7","1") = "6"
    & skf21("2","2","4","5","3","5","1","1") = "4"
    & skf21("2","2","4","5","3","5","2","1") = "4"
    & skf21("2","2","4","5","3","5","3","1") = "4"
    & skf21("2","2","4","5","3","5","4","1") = "4"
    & skf21("2","2","4","5","3","5","5","1") = "4"
    & skf21("2","2","4","5","3","5","6","1") = "5"
    & skf21("2","2","4","5","3","5","7","1") = "6"
    & skf21("2","2","4","5","3","6","1","1") = "5"
    & skf21("2","2","4","5","3","6","2","1") = "5"
    & skf21("2","2","4","5","3","6","3","1") = "5"
    & skf21("2","2","4","5","3","6","4","1") = "5"
    & skf21("2","2","4","5","3","6","5","1") = "5"
    & skf21("2","2","4","5","3","6","6","1") = "5"
    & skf21("2","2","4","5","3","6","7","1") = "6"
    & skf21("2","2","4","5","3","7","1","1") = "6"
    & skf21("2","2","4","5","3","7","2","1") = "6"
    & skf21("2","2","4","5","3","7","3","1") = "6"
    & skf21("2","2","4","5","3","7","4","1") = "6"
    & skf21("2","2","4","5","3","7","5","1") = "6"
    & skf21("2","2","4","5","3","7","6","1") = "6"
    & skf21("2","2","4","5","3","7","7","1") = "6"
    & skf21("2","2","4","5","4","1","1","1") = "4"
    & skf21("2","2","4","5","4","1","2","1") = "4"
    & skf21("2","2","4","5","4","1","3","1") = "4"
    & skf21("2","2","4","5","4","1","4","1") = "4"
    & skf21("2","2","4","5","4","1","5","1") = "4"
    & skf21("2","2","4","5","4","1","6","1") = "5"
    & skf21("2","2","4","5","4","1","7","1") = "6"
    & skf21("2","2","4","5","4","2","1","1") = "4"
    & skf21("2","2","4","5","4","2","2","1") = "4"
    & skf21("2","2","4","5","4","2","3","1") = "4"
    & skf21("2","2","4","5","4","2","4","1") = "4"
    & skf21("2","2","4","5","4","2","5","1") = "4"
    & skf21("2","2","4","5","4","2","6","1") = "5"
    & skf21("2","2","4","5","4","2","7","1") = "6"
    & skf21("2","2","4","5","4","3","1","1") = "4"
    & skf21("2","2","4","5","4","3","2","1") = "4"
    & skf21("2","2","4","5","4","3","3","1") = "4"
    & skf21("2","2","4","5","4","3","4","1") = "4"
    & skf21("2","2","4","5","4","3","5","1") = "4"
    & skf21("2","2","4","5","4","3","6","1") = "5"
    & skf21("2","2","4","5","4","3","7","1") = "6"
    & skf21("2","2","4","5","4","4","1","1") = "4"
    & skf21("2","2","4","5","4","4","2","1") = "4"
    & skf21("2","2","4","5","4","4","3","1") = "4"
    & skf21("2","2","4","5","4","4","4","1") = "4"
    & skf21("2","2","4","5","4","4","5","1") = "4"
    & skf21("2","2","4","5","4","4","6","1") = "5"
    & skf21("2","2","4","5","4","4","7","1") = "6"
    & skf21("2","2","4","5","4","5","1","1") = "4"
    & skf21("2","2","4","5","4","5","2","1") = "4"
    & skf21("2","2","4","5","4","5","3","1") = "4"
    & skf21("2","2","4","5","4","5","4","1") = "4"
    & skf21("2","2","4","5","4","5","5","1") = "4"
    & skf21("2","2","4","5","4","5","6","1") = "5"
    & skf21("2","2","4","5","4","5","7","1") = "6"
    & skf21("2","2","4","5","4","6","1","1") = "5"
    & skf21("2","2","4","5","4","6","2","1") = "5"
    & skf21("2","2","4","5","4","6","3","1") = "5"
    & skf21("2","2","4","5","4","6","4","1") = "5"
    & skf21("2","2","4","5","4","6","5","1") = "5"
    & skf21("2","2","4","5","4","6","6","1") = "5"
    & skf21("2","2","4","5","4","6","7","1") = "6"
    & skf21("2","2","4","5","4","7","1","1") = "6"
    & skf21("2","2","4","5","4","7","2","1") = "6"
    & skf21("2","2","4","5","4","7","3","1") = "6"
    & skf21("2","2","4","5","4","7","4","1") = "6"
    & skf21("2","2","4","5","4","7","5","1") = "6"
    & skf21("2","2","4","5","4","7","6","1") = "6"
    & skf21("2","2","4","5","4","7","7","1") = "6"
    & skf21("2","2","4","5","5","1","1","1") = "4"
    & skf21("2","2","4","5","5","1","2","1") = "4"
    & skf21("2","2","4","5","5","1","3","1") = "4"
    & skf21("2","2","4","5","5","1","4","1") = "4"
    & skf21("2","2","4","5","5","1","5","1") = "4"
    & skf21("2","2","4","5","5","1","6","1") = "5"
    & skf21("2","2","4","5","5","1","7","1") = "6"
    & skf21("2","2","4","5","5","2","1","1") = "4"
    & skf21("2","2","4","5","5","2","2","1") = "4"
    & skf21("2","2","4","5","5","2","3","1") = "4"
    & skf21("2","2","4","5","5","2","4","1") = "4"
    & skf21("2","2","4","5","5","2","5","1") = "4"
    & skf21("2","2","4","5","5","2","6","1") = "5"
    & skf21("2","2","4","5","5","2","7","1") = "6"
    & skf21("2","2","4","5","5","3","1","1") = "4"
    & skf21("2","2","4","5","5","3","2","1") = "4"
    & skf21("2","2","4","5","5","3","3","1") = "4"
    & skf21("2","2","4","5","5","3","4","1") = "4"
    & skf21("2","2","4","5","5","3","5","1") = "4"
    & skf21("2","2","4","5","5","3","6","1") = "5"
    & skf21("2","2","4","5","5","3","7","1") = "6"
    & skf21("2","2","4","5","5","4","1","1") = "4"
    & skf21("2","2","4","5","5","4","2","1") = "4"
    & skf21("2","2","4","5","5","4","3","1") = "4"
    & skf21("2","2","4","5","5","4","4","1") = "4"
    & skf21("2","2","4","5","5","4","5","1") = "4"
    & skf21("2","2","4","5","5","4","6","1") = "5"
    & skf21("2","2","4","5","5","4","7","1") = "6"
    & skf21("2","2","4","5","5","5","1","1") = "4"
    & skf21("2","2","4","5","5","5","2","1") = "4"
    & skf21("2","2","4","5","5","5","3","1") = "4"
    & skf21("2","2","4","5","5","5","4","1") = "4"
    & skf21("2","2","4","5","5","5","5","1") = "4"
    & skf21("2","2","4","5","5","5","6","1") = "5"
    & skf21("2","2","4","5","5","5","7","1") = "6"
    & skf21("2","2","4","5","5","6","1","1") = "5"
    & skf21("2","2","4","5","5","6","2","1") = "5"
    & skf21("2","2","4","5","5","6","3","1") = "5"
    & skf21("2","2","4","5","5","6","4","1") = "5"
    & skf21("2","2","4","5","5","6","5","1") = "5"
    & skf21("2","2","4","5","5","6","6","1") = "5"
    & skf21("2","2","4","5","5","6","7","1") = "6"
    & skf21("2","2","4","5","5","7","1","1") = "6"
    & skf21("2","2","4","5","5","7","2","1") = "6"
    & skf21("2","2","4","5","5","7","3","1") = "6"
    & skf21("2","2","4","5","5","7","4","1") = "6"
    & skf21("2","2","4","5","5","7","5","1") = "6"
    & skf21("2","2","4","5","5","7","6","1") = "6"
    & skf21("2","2","4","5","5","7","7","1") = "6"
    & skf21("2","2","4","5","6","1","1","1") = "5"
    & skf21("2","2","4","5","6","1","2","1") = "5"
    & skf21("2","2","4","5","6","1","3","1") = "5"
    & skf21("2","2","4","5","6","1","4","1") = "5"
    & skf21("2","2","4","5","6","1","5","1") = "5"
    & skf21("2","2","4","5","6","1","6","1") = "5"
    & skf21("2","2","4","5","6","1","7","1") = "6"
    & skf21("2","2","4","5","6","2","1","1") = "5"
    & skf21("2","2","4","5","6","2","2","1") = "5"
    & skf21("2","2","4","5","6","2","3","1") = "5"
    & skf21("2","2","4","5","6","2","4","1") = "5"
    & skf21("2","2","4","5","6","2","5","1") = "5"
    & skf21("2","2","4","5","6","2","6","1") = "5"
    & skf21("2","2","4","5","6","2","7","1") = "6"
    & skf21("2","2","4","5","6","3","1","1") = "5"
    & skf21("2","2","4","5","6","3","2","1") = "5"
    & skf21("2","2","4","5","6","3","3","1") = "5"
    & skf21("2","2","4","5","6","3","4","1") = "5"
    & skf21("2","2","4","5","6","3","5","1") = "5"
    & skf21("2","2","4","5","6","3","6","1") = "5"
    & skf21("2","2","4","5","6","3","7","1") = "6"
    & skf21("2","2","4","5","6","4","1","1") = "5"
    & skf21("2","2","4","5","6","4","2","1") = "5"
    & skf21("2","2","4","5","6","4","3","1") = "5"
    & skf21("2","2","4","5","6","4","4","1") = "5"
    & skf21("2","2","4","5","6","4","5","1") = "5"
    & skf21("2","2","4","5","6","4","6","1") = "5"
    & skf21("2","2","4","5","6","4","7","1") = "6"
    & skf21("2","2","4","5","6","5","1","1") = "5"
    & skf21("2","2","4","5","6","5","2","1") = "5"
    & skf21("2","2","4","5","6","5","3","1") = "5"
    & skf21("2","2","4","5","6","5","4","1") = "5"
    & skf21("2","2","4","5","6","5","5","1") = "5"
    & skf21("2","2","4","5","6","5","6","1") = "5"
    & skf21("2","2","4","5","6","5","7","1") = "6"
    & skf21("2","2","4","5","6","6","1","1") = "5"
    & skf21("2","2","4","5","6","6","2","1") = "5"
    & skf21("2","2","4","5","6","6","3","1") = "5"
    & skf21("2","2","4","5","6","6","4","1") = "5"
    & skf21("2","2","4","5","6","6","5","1") = "5"
    & skf21("2","2","4","5","6","6","6","1") = "5"
    & skf21("2","2","4","5","6","6","7","1") = "6"
    & skf21("2","2","4","5","6","7","1","1") = "6"
    & skf21("2","2","4","5","6","7","2","1") = "6"
    & skf21("2","2","4","5","6","7","3","1") = "6"
    & skf21("2","2","4","5","6","7","4","1") = "6"
    & skf21("2","2","4","5","6","7","5","1") = "6"
    & skf21("2","2","4","5","6","7","6","1") = "6"
    & skf21("2","2","4","5","6","7","7","1") = "6"
    & skf21("2","2","4","5","7","1","1","1") = "6"
    & skf21("2","2","4","5","7","1","2","1") = "6"
    & skf21("2","2","4","5","7","1","3","1") = "6"
    & skf21("2","2","4","5","7","1","4","1") = "6"
    & skf21("2","2","4","5","7","1","5","1") = "6"
    & skf21("2","2","4","5","7","1","6","1") = "6"
    & skf21("2","2","4","5","7","1","7","1") = "6"
    & skf21("2","2","4","5","7","2","1","1") = "6"
    & skf21("2","2","4","5","7","2","2","1") = "6"
    & skf21("2","2","4","5","7","2","3","1") = "6"
    & skf21("2","2","4","5","7","2","4","1") = "6"
    & skf21("2","2","4","5","7","2","5","1") = "6"
    & skf21("2","2","4","5","7","2","6","1") = "6"
    & skf21("2","2","4","5","7","2","7","1") = "6"
    & skf21("2","2","4","5","7","3","1","1") = "6"
    & skf21("2","2","4","5","7","3","2","1") = "6"
    & skf21("2","2","4","5","7","3","3","1") = "6"
    & skf21("2","2","4","5","7","3","4","1") = "6"
    & skf21("2","2","4","5","7","3","5","1") = "6"
    & skf21("2","2","4","5","7","3","6","1") = "6"
    & skf21("2","2","4","5","7","3","7","1") = "6"
    & skf21("2","2","4","5","7","4","1","1") = "6"
    & skf21("2","2","4","5","7","4","2","1") = "6"
    & skf21("2","2","4","5","7","4","3","1") = "6"
    & skf21("2","2","4","5","7","4","4","1") = "6"
    & skf21("2","2","4","5","7","4","5","1") = "6"
    & skf21("2","2","4","5","7","4","6","1") = "6"
    & skf21("2","2","4","5","7","4","7","1") = "6"
    & skf21("2","2","4","5","7","5","1","1") = "6"
    & skf21("2","2","4","5","7","5","2","1") = "6"
    & skf21("2","2","4","5","7","5","3","1") = "6"
    & skf21("2","2","4","5","7","5","4","1") = "6"
    & skf21("2","2","4","5","7","5","5","1") = "6"
    & skf21("2","2","4","5","7","5","6","1") = "6"
    & skf21("2","2","4","5","7","5","7","1") = "6"
    & skf21("2","2","4","5","7","6","1","1") = "6"
    & skf21("2","2","4","5","7","6","2","1") = "6"
    & skf21("2","2","4","5","7","6","3","1") = "6"
    & skf21("2","2","4","5","7","6","4","1") = "6"
    & skf21("2","2","4","5","7","6","5","1") = "6"
    & skf21("2","2","4","5","7","6","6","1") = "6"
    & skf21("2","2","4","5","7","6","7","1") = "6"
    & skf21("2","2","4","5","7","7","1","1") = "6"
    & skf21("2","2","4","5","7","7","2","1") = "6"
    & skf21("2","2","4","5","7","7","3","1") = "6"
    & skf21("2","2","4","5","7","7","4","1") = "6"
    & skf21("2","2","4","5","7","7","5","1") = "6"
    & skf21("2","2","4","5","7","7","6","1") = "6"
    & skf21("2","2","4","5","7","7","7","1") = "6"
    & skf21("2","2","4","6","1","1","1","1") = "5"
    & skf21("2","2","4","6","1","1","2","1") = "5"
    & skf21("2","2","4","6","1","1","3","1") = "5"
    & skf21("2","2","4","6","1","1","4","1") = "5"
    & skf21("2","2","4","6","1","1","5","1") = "5"
    & skf21("2","2","4","6","1","1","6","1") = "5"
    & skf21("2","2","4","6","1","1","7","1") = "6"
    & skf21("2","2","4","6","1","2","1","1") = "5"
    & skf21("2","2","4","6","1","2","2","1") = "5"
    & skf21("2","2","4","6","1","2","3","1") = "5"
    & skf21("2","2","4","6","1","2","4","1") = "5"
    & skf21("2","2","4","6","1","2","5","1") = "5"
    & skf21("2","2","4","6","1","2","6","1") = "5"
    & skf21("2","2","4","6","1","2","7","1") = "6"
    & skf21("2","2","4","6","1","3","1","1") = "5"
    & skf21("2","2","4","6","1","3","2","1") = "5"
    & skf21("2","2","4","6","1","3","3","1") = "5"
    & skf21("2","2","4","6","1","3","4","1") = "5"
    & skf21("2","2","4","6","1","3","5","1") = "5"
    & skf21("2","2","4","6","1","3","6","1") = "5"
    & skf21("2","2","4","6","1","3","7","1") = "6"
    & skf21("2","2","4","6","1","4","1","1") = "5"
    & skf21("2","2","4","6","1","4","2","1") = "5"
    & skf21("2","2","4","6","1","4","3","1") = "5"
    & skf21("2","2","4","6","1","4","4","1") = "5"
    & skf21("2","2","4","6","1","4","5","1") = "5"
    & skf21("2","2","4","6","1","4","6","1") = "5"
    & skf21("2","2","4","6","1","4","7","1") = "6"
    & skf21("2","2","4","6","1","5","1","1") = "5"
    & skf21("2","2","4","6","1","5","2","1") = "5"
    & skf21("2","2","4","6","1","5","3","1") = "5"
    & skf21("2","2","4","6","1","5","4","1") = "5"
    & skf21("2","2","4","6","1","5","5","1") = "5"
    & skf21("2","2","4","6","1","5","6","1") = "5"
    & skf21("2","2","4","6","1","5","7","1") = "6"
    & skf21("2","2","4","6","1","6","1","1") = "5"
    & skf21("2","2","4","6","1","6","2","1") = "5"
    & skf21("2","2","4","6","1","6","3","1") = "5"
    & skf21("2","2","4","6","1","6","4","1") = "5"
    & skf21("2","2","4","6","1","6","5","1") = "5"
    & skf21("2","2","4","6","1","6","6","1") = "5"
    & skf21("2","2","4","6","1","6","7","1") = "6"
    & skf21("2","2","4","6","1","7","1","1") = "6"
    & skf21("2","2","4","6","1","7","2","1") = "6"
    & skf21("2","2","4","6","1","7","3","1") = "6"
    & skf21("2","2","4","6","1","7","4","1") = "6"
    & skf21("2","2","4","6","1","7","5","1") = "6"
    & skf21("2","2","4","6","1","7","6","1") = "6"
    & skf21("2","2","4","6","1","7","7","1") = "6"
    & skf21("2","2","4","6","2","1","1","1") = "5"
    & skf21("2","2","4","6","2","1","2","1") = "5"
    & skf21("2","2","4","6","2","1","3","1") = "5"
    & skf21("2","2","4","6","2","1","4","1") = "5"
    & skf21("2","2","4","6","2","1","5","1") = "5"
    & skf21("2","2","4","6","2","1","6","1") = "5"
    & skf21("2","2","4","6","2","1","7","1") = "6"
    & skf21("2","2","4","6","2","2","1","1") = "5"
    & skf21("2","2","4","6","2","2","2","1") = "5"
    & skf21("2","2","4","6","2","2","3","1") = "5"
    & skf21("2","2","4","6","2","2","4","1") = "5"
    & skf21("2","2","4","6","2","2","5","1") = "5"
    & skf21("2","2","4","6","2","2","6","1") = "5"
    & skf21("2","2","4","6","2","2","7","1") = "6"
    & skf21("2","2","4","6","2","3","1","1") = "5"
    & skf21("2","2","4","6","2","3","2","1") = "5"
    & skf21("2","2","4","6","2","3","3","1") = "5"
    & skf21("2","2","4","6","2","3","4","1") = "5"
    & skf21("2","2","4","6","2","3","5","1") = "5"
    & skf21("2","2","4","6","2","3","6","1") = "5"
    & skf21("2","2","4","6","2","3","7","1") = "6"
    & skf21("2","2","4","6","2","4","1","1") = "5"
    & skf21("2","2","4","6","2","4","2","1") = "5"
    & skf21("2","2","4","6","2","4","3","1") = "5"
    & skf21("2","2","4","6","2","4","4","1") = "5"
    & skf21("2","2","4","6","2","4","5","1") = "5"
    & skf21("2","2","4","6","2","4","6","1") = "5"
    & skf21("2","2","4","6","2","4","7","1") = "6"
    & skf21("2","2","4","6","2","5","1","1") = "5"
    & skf21("2","2","4","6","2","5","2","1") = "5"
    & skf21("2","2","4","6","2","5","3","1") = "5"
    & skf21("2","2","4","6","2","5","4","1") = "5"
    & skf21("2","2","4","6","2","5","5","1") = "5"
    & skf21("2","2","4","6","2","5","6","1") = "5"
    & skf21("2","2","4","6","2","5","7","1") = "6"
    & skf21("2","2","4","6","2","6","1","1") = "5"
    & skf21("2","2","4","6","2","6","2","1") = "5"
    & skf21("2","2","4","6","2","6","3","1") = "5"
    & skf21("2","2","4","6","2","6","4","1") = "5"
    & skf21("2","2","4","6","2","6","5","1") = "5"
    & skf21("2","2","4","6","2","6","6","1") = "5"
    & skf21("2","2","4","6","2","6","7","1") = "6"
    & skf21("2","2","4","6","2","7","1","1") = "6"
    & skf21("2","2","4","6","2","7","2","1") = "6"
    & skf21("2","2","4","6","2","7","3","1") = "6"
    & skf21("2","2","4","6","2","7","4","1") = "6"
    & skf21("2","2","4","6","2","7","5","1") = "6"
    & skf21("2","2","4","6","2","7","6","1") = "6"
    & skf21("2","2","4","6","2","7","7","1") = "6"
    & skf21("2","2","4","6","3","1","1","1") = "5"
    & skf21("2","2","4","6","3","1","2","1") = "5"
    & skf21("2","2","4","6","3","1","3","1") = "5"
    & skf21("2","2","4","6","3","1","4","1") = "5"
    & skf21("2","2","4","6","3","1","5","1") = "5"
    & skf21("2","2","4","6","3","1","6","1") = "5"
    & skf21("2","2","4","6","3","1","7","1") = "6"
    & skf21("2","2","4","6","3","2","1","1") = "5"
    & skf21("2","2","4","6","3","2","2","1") = "5"
    & skf21("2","2","4","6","3","2","3","1") = "5"
    & skf21("2","2","4","6","3","2","4","1") = "5"
    & skf21("2","2","4","6","3","2","5","1") = "5"
    & skf21("2","2","4","6","3","2","6","1") = "5"
    & skf21("2","2","4","6","3","2","7","1") = "6"
    & skf21("2","2","4","6","3","3","1","1") = "5"
    & skf21("2","2","4","6","3","3","2","1") = "5"
    & skf21("2","2","4","6","3","3","3","1") = "5"
    & skf21("2","2","4","6","3","3","4","1") = "5"
    & skf21("2","2","4","6","3","3","5","1") = "5"
    & skf21("2","2","4","6","3","3","6","1") = "5"
    & skf21("2","2","4","6","3","3","7","1") = "6"
    & skf21("2","2","4","6","3","4","1","1") = "5"
    & skf21("2","2","4","6","3","4","2","1") = "5"
    & skf21("2","2","4","6","3","4","3","1") = "5"
    & skf21("2","2","4","6","3","4","4","1") = "5"
    & skf21("2","2","4","6","3","4","5","1") = "5"
    & skf21("2","2","4","6","3","4","6","1") = "5"
    & skf21("2","2","4","6","3","4","7","1") = "6"
    & skf21("2","2","4","6","3","5","1","1") = "5"
    & skf21("2","2","4","6","3","5","2","1") = "5"
    & skf21("2","2","4","6","3","5","3","1") = "5"
    & skf21("2","2","4","6","3","5","4","1") = "5"
    & skf21("2","2","4","6","3","5","5","1") = "5"
    & skf21("2","2","4","6","3","5","6","1") = "5"
    & skf21("2","2","4","6","3","5","7","1") = "6"
    & skf21("2","2","4","6","3","6","1","1") = "5"
    & skf21("2","2","4","6","3","6","2","1") = "5"
    & skf21("2","2","4","6","3","6","3","1") = "5"
    & skf21("2","2","4","6","3","6","4","1") = "5"
    & skf21("2","2","4","6","3","6","5","1") = "5"
    & skf21("2","2","4","6","3","6","6","1") = "5"
    & skf21("2","2","4","6","3","6","7","1") = "6"
    & skf21("2","2","4","6","3","7","1","1") = "6"
    & skf21("2","2","4","6","3","7","2","1") = "6"
    & skf21("2","2","4","6","3","7","3","1") = "6"
    & skf21("2","2","4","6","3","7","4","1") = "6"
    & skf21("2","2","4","6","3","7","5","1") = "6"
    & skf21("2","2","4","6","3","7","6","1") = "6"
    & skf21("2","2","4","6","3","7","7","1") = "6"
    & skf21("2","2","4","6","4","1","1","1") = "5"
    & skf21("2","2","4","6","4","1","2","1") = "5"
    & skf21("2","2","4","6","4","1","3","1") = "5"
    & skf21("2","2","4","6","4","1","4","1") = "5"
    & skf21("2","2","4","6","4","1","5","1") = "5"
    & skf21("2","2","4","6","4","1","6","1") = "5"
    & skf21("2","2","4","6","4","1","7","1") = "6"
    & skf21("2","2","4","6","4","2","1","1") = "5"
    & skf21("2","2","4","6","4","2","2","1") = "5"
    & skf21("2","2","4","6","4","2","3","1") = "5"
    & skf21("2","2","4","6","4","2","4","1") = "5"
    & skf21("2","2","4","6","4","2","5","1") = "5"
    & skf21("2","2","4","6","4","2","6","1") = "5"
    & skf21("2","2","4","6","4","2","7","1") = "6"
    & skf21("2","2","4","6","4","3","1","1") = "5"
    & skf21("2","2","4","6","4","3","2","1") = "5"
    & skf21("2","2","4","6","4","3","3","1") = "5"
    & skf21("2","2","4","6","4","3","4","1") = "5"
    & skf21("2","2","4","6","4","3","5","1") = "5"
    & skf21("2","2","4","6","4","3","6","1") = "5"
    & skf21("2","2","4","6","4","3","7","1") = "6"
    & skf21("2","2","4","6","4","4","1","1") = "5"
    & skf21("2","2","4","6","4","4","2","1") = "5"
    & skf21("2","2","4","6","4","4","3","1") = "5"
    & skf21("2","2","4","6","4","4","4","1") = "5"
    & skf21("2","2","4","6","4","4","5","1") = "5"
    & skf21("2","2","4","6","4","4","6","1") = "5"
    & skf21("2","2","4","6","4","4","7","1") = "6"
    & skf21("2","2","4","6","4","5","1","1") = "5"
    & skf21("2","2","4","6","4","5","2","1") = "5"
    & skf21("2","2","4","6","4","5","3","1") = "5"
    & skf21("2","2","4","6","4","5","4","1") = "5"
    & skf21("2","2","4","6","4","5","5","1") = "5"
    & skf21("2","2","4","6","4","5","6","1") = "5"
    & skf21("2","2","4","6","4","5","7","1") = "6"
    & skf21("2","2","4","6","4","6","1","1") = "5"
    & skf21("2","2","4","6","4","6","2","1") = "5"
    & skf21("2","2","4","6","4","6","3","1") = "5"
    & skf21("2","2","4","6","4","6","4","1") = "5"
    & skf21("2","2","4","6","4","6","5","1") = "5"
    & skf21("2","2","4","6","4","6","6","1") = "5"
    & skf21("2","2","4","6","4","6","7","1") = "6"
    & skf21("2","2","4","6","4","7","1","1") = "6"
    & skf21("2","2","4","6","4","7","2","1") = "6"
    & skf21("2","2","4","6","4","7","3","1") = "6"
    & skf21("2","2","4","6","4","7","4","1") = "6"
    & skf21("2","2","4","6","4","7","5","1") = "6"
    & skf21("2","2","4","6","4","7","6","1") = "6"
    & skf21("2","2","4","6","4","7","7","1") = "6"
    & skf21("2","2","4","6","5","1","1","1") = "5"
    & skf21("2","2","4","6","5","1","2","1") = "5"
    & skf21("2","2","4","6","5","1","3","1") = "5"
    & skf21("2","2","4","6","5","1","4","1") = "5"
    & skf21("2","2","4","6","5","1","5","1") = "5"
    & skf21("2","2","4","6","5","1","6","1") = "5"
    & skf21("2","2","4","6","5","1","7","1") = "6"
    & skf21("2","2","4","6","5","2","1","1") = "5"
    & skf21("2","2","4","6","5","2","2","1") = "5"
    & skf21("2","2","4","6","5","2","3","1") = "5"
    & skf21("2","2","4","6","5","2","4","1") = "5"
    & skf21("2","2","4","6","5","2","5","1") = "5"
    & skf21("2","2","4","6","5","2","6","1") = "5"
    & skf21("2","2","4","6","5","2","7","1") = "6"
    & skf21("2","2","4","6","5","3","1","1") = "5"
    & skf21("2","2","4","6","5","3","2","1") = "5"
    & skf21("2","2","4","6","5","3","3","1") = "5"
    & skf21("2","2","4","6","5","3","4","1") = "5"
    & skf21("2","2","4","6","5","3","5","1") = "5"
    & skf21("2","2","4","6","5","3","6","1") = "5"
    & skf21("2","2","4","6","5","3","7","1") = "6"
    & skf21("2","2","4","6","5","4","1","1") = "5"
    & skf21("2","2","4","6","5","4","2","1") = "5"
    & skf21("2","2","4","6","5","4","3","1") = "5"
    & skf21("2","2","4","6","5","4","4","1") = "5"
    & skf21("2","2","4","6","5","4","5","1") = "5"
    & skf21("2","2","4","6","5","4","6","1") = "5"
    & skf21("2","2","4","6","5","4","7","1") = "6"
    & skf21("2","2","4","6","5","5","1","1") = "5"
    & skf21("2","2","4","6","5","5","2","1") = "5"
    & skf21("2","2","4","6","5","5","3","1") = "5"
    & skf21("2","2","4","6","5","5","4","1") = "5"
    & skf21("2","2","4","6","5","5","5","1") = "5"
    & skf21("2","2","4","6","5","5","6","1") = "5"
    & skf21("2","2","4","6","5","5","7","1") = "6"
    & skf21("2","2","4","6","5","6","1","1") = "5"
    & skf21("2","2","4","6","5","6","2","1") = "5"
    & skf21("2","2","4","6","5","6","3","1") = "5"
    & skf21("2","2","4","6","5","6","4","1") = "5"
    & skf21("2","2","4","6","5","6","5","1") = "5"
    & skf21("2","2","4","6","5","6","6","1") = "5"
    & skf21("2","2","4","6","5","6","7","1") = "6"
    & skf21("2","2","4","6","5","7","1","1") = "6"
    & skf21("2","2","4","6","5","7","2","1") = "6"
    & skf21("2","2","4","6","5","7","3","1") = "6"
    & skf21("2","2","4","6","5","7","4","1") = "6"
    & skf21("2","2","4","6","5","7","5","1") = "6"
    & skf21("2","2","4","6","5","7","6","1") = "6"
    & skf21("2","2","4","6","5","7","7","1") = "6"
    & skf21("2","2","4","6","6","1","1","1") = "5"
    & skf21("2","2","4","6","6","1","2","1") = "5"
    & skf21("2","2","4","6","6","1","3","1") = "5"
    & skf21("2","2","4","6","6","1","4","1") = "5"
    & skf21("2","2","4","6","6","1","5","1") = "5"
    & skf21("2","2","4","6","6","1","6","1") = "5"
    & skf21("2","2","4","6","6","1","7","1") = "6"
    & skf21("2","2","4","6","6","2","1","1") = "5"
    & skf21("2","2","4","6","6","2","2","1") = "5"
    & skf21("2","2","4","6","6","2","3","1") = "5"
    & skf21("2","2","4","6","6","2","4","1") = "5"
    & skf21("2","2","4","6","6","2","5","1") = "5"
    & skf21("2","2","4","6","6","2","6","1") = "5"
    & skf21("2","2","4","6","6","2","7","1") = "6"
    & skf21("2","2","4","6","6","3","1","1") = "5"
    & skf21("2","2","4","6","6","3","2","1") = "5"
    & skf21("2","2","4","6","6","3","3","1") = "5"
    & skf21("2","2","4","6","6","3","4","1") = "5"
    & skf21("2","2","4","6","6","3","5","1") = "5"
    & skf21("2","2","4","6","6","3","6","1") = "5"
    & skf21("2","2","4","6","6","3","7","1") = "6"
    & skf21("2","2","4","6","6","4","1","1") = "5"
    & skf21("2","2","4","6","6","4","2","1") = "5"
    & skf21("2","2","4","6","6","4","3","1") = "5"
    & skf21("2","2","4","6","6","4","4","1") = "5"
    & skf21("2","2","4","6","6","4","5","1") = "5"
    & skf21("2","2","4","6","6","4","6","1") = "5"
    & skf21("2","2","4","6","6","4","7","1") = "6"
    & skf21("2","2","4","6","6","5","1","1") = "5"
    & skf21("2","2","4","6","6","5","2","1") = "5"
    & skf21("2","2","4","6","6","5","3","1") = "5"
    & skf21("2","2","4","6","6","5","4","1") = "5"
    & skf21("2","2","4","6","6","5","5","1") = "5"
    & skf21("2","2","4","6","6","5","6","1") = "5"
    & skf21("2","2","4","6","6","5","7","1") = "6"
    & skf21("2","2","4","6","6","6","1","1") = "5"
    & skf21("2","2","4","6","6","6","2","1") = "5"
    & skf21("2","2","4","6","6","6","3","1") = "5"
    & skf21("2","2","4","6","6","6","4","1") = "5"
    & skf21("2","2","4","6","6","6","5","1") = "5"
    & skf21("2","2","4","6","6","6","6","1") = "5"
    & skf21("2","2","4","6","6","6","7","1") = "6"
    & skf21("2","2","4","6","6","7","1","1") = "6"
    & skf21("2","2","4","6","6","7","2","1") = "6"
    & skf21("2","2","4","6","6","7","3","1") = "6"
    & skf21("2","2","4","6","6","7","4","1") = "6"
    & skf21("2","2","4","6","6","7","5","1") = "6"
    & skf21("2","2","4","6","6","7","6","1") = "6"
    & skf21("2","2","4","6","6","7","7","1") = "6"
    & skf21("2","2","4","6","7","1","1","1") = "6"
    & skf21("2","2","4","6","7","1","2","1") = "6"
    & skf21("2","2","4","6","7","1","3","1") = "6"
    & skf21("2","2","4","6","7","1","4","1") = "6"
    & skf21("2","2","4","6","7","1","5","1") = "6"
    & skf21("2","2","4","6","7","1","6","1") = "6"
    & skf21("2","2","4","6","7","1","7","1") = "6"
    & skf21("2","2","4","6","7","2","1","1") = "6"
    & skf21("2","2","4","6","7","2","2","1") = "6"
    & skf21("2","2","4","6","7","2","3","1") = "6"
    & skf21("2","2","4","6","7","2","4","1") = "6"
    & skf21("2","2","4","6","7","2","5","1") = "6"
    & skf21("2","2","4","6","7","2","6","1") = "6"
    & skf21("2","2","4","6","7","2","7","1") = "6"
    & skf21("2","2","4","6","7","3","1","1") = "6"
    & skf21("2","2","4","6","7","3","2","1") = "6"
    & skf21("2","2","4","6","7","3","3","1") = "6"
    & skf21("2","2","4","6","7","3","4","1") = "6"
    & skf21("2","2","4","6","7","3","5","1") = "6"
    & skf21("2","2","4","6","7","3","6","1") = "6"
    & skf21("2","2","4","6","7","3","7","1") = "6"
    & skf21("2","2","4","6","7","4","1","1") = "6"
    & skf21("2","2","4","6","7","4","2","1") = "6"
    & skf21("2","2","4","6","7","4","3","1") = "6"
    & skf21("2","2","4","6","7","4","4","1") = "6"
    & skf21("2","2","4","6","7","4","5","1") = "6"
    & skf21("2","2","4","6","7","4","6","1") = "6"
    & skf21("2","2","4","6","7","4","7","1") = "6"
    & skf21("2","2","4","6","7","5","1","1") = "6"
    & skf21("2","2","4","6","7","5","2","1") = "6"
    & skf21("2","2","4","6","7","5","3","1") = "6"
    & skf21("2","2","4","6","7","5","4","1") = "6"
    & skf21("2","2","4","6","7","5","5","1") = "6"
    & skf21("2","2","4","6","7","5","6","1") = "6"
    & skf21("2","2","4","6","7","5","7","1") = "6"
    & skf21("2","2","4","6","7","6","1","1") = "6"
    & skf21("2","2","4","6","7","6","2","1") = "6"
    & skf21("2","2","4","6","7","6","3","1") = "6"
    & skf21("2","2","4","6","7","6","4","1") = "6"
    & skf21("2","2","4","6","7","6","5","1") = "6"
    & skf21("2","2","4","6","7","6","6","1") = "6"
    & skf21("2","2","4","6","7","6","7","1") = "6"
    & skf21("2","2","4","6","7","7","1","1") = "6"
    & skf21("2","2","4","6","7","7","2","1") = "6"
    & skf21("2","2","4","6","7","7","3","1") = "6"
    & skf21("2","2","4","6","7","7","4","1") = "6"
    & skf21("2","2","4","6","7","7","5","1") = "6"
    & skf21("2","2","4","6","7","7","6","1") = "6"
    & skf21("2","2","4","6","7","7","7","1") = "6"
    & skf21("2","2","4","7","1","1","1","1") = "6"
    & skf21("2","2","4","7","1","1","2","1") = "6"
    & skf21("2","2","4","7","1","1","3","1") = "6"
    & skf21("2","2","4","7","1","1","4","1") = "6"
    & skf21("2","2","4","7","1","1","5","1") = "6"
    & skf21("2","2","4","7","1","1","6","1") = "6"
    & skf21("2","2","4","7","1","1","7","1") = "6"
    & skf21("2","2","4","7","1","2","1","1") = "6"
    & skf21("2","2","4","7","1","2","2","1") = "6"
    & skf21("2","2","4","7","1","2","3","1") = "6"
    & skf21("2","2","4","7","1","2","4","1") = "6"
    & skf21("2","2","4","7","1","2","5","1") = "6"
    & skf21("2","2","4","7","1","2","6","1") = "6"
    & skf21("2","2","4","7","1","2","7","1") = "6"
    & skf21("2","2","4","7","1","3","1","1") = "6"
    & skf21("2","2","4","7","1","3","2","1") = "6"
    & skf21("2","2","4","7","1","3","3","1") = "6"
    & skf21("2","2","4","7","1","3","4","1") = "6"
    & skf21("2","2","4","7","1","3","5","1") = "6"
    & skf21("2","2","4","7","1","3","6","1") = "6"
    & skf21("2","2","4","7","1","3","7","1") = "6"
    & skf21("2","2","4","7","1","4","1","1") = "6"
    & skf21("2","2","4","7","1","4","2","1") = "6"
    & skf21("2","2","4","7","1","4","3","1") = "6"
    & skf21("2","2","4","7","1","4","4","1") = "6"
    & skf21("2","2","4","7","1","4","5","1") = "6"
    & skf21("2","2","4","7","1","4","6","1") = "6"
    & skf21("2","2","4","7","1","4","7","1") = "6"
    & skf21("2","2","4","7","1","5","1","1") = "6"
    & skf21("2","2","4","7","1","5","2","1") = "6"
    & skf21("2","2","4","7","1","5","3","1") = "6"
    & skf21("2","2","4","7","1","5","4","1") = "6"
    & skf21("2","2","4","7","1","5","5","1") = "6"
    & skf21("2","2","4","7","1","5","6","1") = "6"
    & skf21("2","2","4","7","1","5","7","1") = "6"
    & skf21("2","2","4","7","1","6","1","1") = "6"
    & skf21("2","2","4","7","1","6","2","1") = "6"
    & skf21("2","2","4","7","1","6","3","1") = "6"
    & skf21("2","2","4","7","1","6","4","1") = "6"
    & skf21("2","2","4","7","1","6","5","1") = "6"
    & skf21("2","2","4","7","1","6","6","1") = "6"
    & skf21("2","2","4","7","1","6","7","1") = "6"
    & skf21("2","2","4","7","1","7","1","1") = "6"
    & skf21("2","2","4","7","1","7","2","1") = "6"
    & skf21("2","2","4","7","1","7","3","1") = "6"
    & skf21("2","2","4","7","1","7","4","1") = "6"
    & skf21("2","2","4","7","1","7","5","1") = "6"
    & skf21("2","2","4","7","1","7","6","1") = "6"
    & skf21("2","2","4","7","1","7","7","1") = "6"
    & skf21("2","2","4","7","2","1","1","1") = "6"
    & skf21("2","2","4","7","2","1","2","1") = "6"
    & skf21("2","2","4","7","2","1","3","1") = "6"
    & skf21("2","2","4","7","2","1","4","1") = "6"
    & skf21("2","2","4","7","2","1","5","1") = "6"
    & skf21("2","2","4","7","2","1","6","1") = "6"
    & skf21("2","2","4","7","2","1","7","1") = "6"
    & skf21("2","2","4","7","2","2","1","1") = "6"
    & skf21("2","2","4","7","2","2","2","1") = "6"
    & skf21("2","2","4","7","2","2","3","1") = "6"
    & skf21("2","2","4","7","2","2","4","1") = "6"
    & skf21("2","2","4","7","2","2","5","1") = "6"
    & skf21("2","2","4","7","2","2","6","1") = "6"
    & skf21("2","2","4","7","2","2","7","1") = "6"
    & skf21("2","2","4","7","2","3","1","1") = "6"
    & skf21("2","2","4","7","2","3","2","1") = "6"
    & skf21("2","2","4","7","2","3","3","1") = "6"
    & skf21("2","2","4","7","2","3","4","1") = "6"
    & skf21("2","2","4","7","2","3","5","1") = "6"
    & skf21("2","2","4","7","2","3","6","1") = "6"
    & skf21("2","2","4","7","2","3","7","1") = "6"
    & skf21("2","2","4","7","2","4","1","1") = "6"
    & skf21("2","2","4","7","2","4","2","1") = "6"
    & skf21("2","2","4","7","2","4","3","1") = "6"
    & skf21("2","2","4","7","2","4","4","1") = "6"
    & skf21("2","2","4","7","2","4","5","1") = "6"
    & skf21("2","2","4","7","2","4","6","1") = "6"
    & skf21("2","2","4","7","2","4","7","1") = "6"
    & skf21("2","2","4","7","2","5","1","1") = "6"
    & skf21("2","2","4","7","2","5","2","1") = "6"
    & skf21("2","2","4","7","2","5","3","1") = "6"
    & skf21("2","2","4","7","2","5","4","1") = "6"
    & skf21("2","2","4","7","2","5","5","1") = "6"
    & skf21("2","2","4","7","2","5","6","1") = "6"
    & skf21("2","2","4","7","2","5","7","1") = "6"
    & skf21("2","2","4","7","2","6","1","1") = "6"
    & skf21("2","2","4","7","2","6","2","1") = "6"
    & skf21("2","2","4","7","2","6","3","1") = "6"
    & skf21("2","2","4","7","2","6","4","1") = "6"
    & skf21("2","2","4","7","2","6","5","1") = "6"
    & skf21("2","2","4","7","2","6","6","1") = "6"
    & skf21("2","2","4","7","2","6","7","1") = "6"
    & skf21("2","2","4","7","2","7","1","1") = "6"
    & skf21("2","2","4","7","2","7","2","1") = "6"
    & skf21("2","2","4","7","2","7","3","1") = "6"
    & skf21("2","2","4","7","2","7","4","1") = "6"
    & skf21("2","2","4","7","2","7","5","1") = "6"
    & skf21("2","2","4","7","2","7","6","1") = "6"
    & skf21("2","2","4","7","2","7","7","1") = "6"
    & skf21("2","2","4","7","3","1","1","1") = "6"
    & skf21("2","2","4","7","3","1","2","1") = "6"
    & skf21("2","2","4","7","3","1","3","1") = "6"
    & skf21("2","2","4","7","3","1","4","1") = "6"
    & skf21("2","2","4","7","3","1","5","1") = "6"
    & skf21("2","2","4","7","3","1","6","1") = "6"
    & skf21("2","2","4","7","3","1","7","1") = "6"
    & skf21("2","2","4","7","3","2","1","1") = "6"
    & skf21("2","2","4","7","3","2","2","1") = "6"
    & skf21("2","2","4","7","3","2","3","1") = "6"
    & skf21("2","2","4","7","3","2","4","1") = "6"
    & skf21("2","2","4","7","3","2","5","1") = "6"
    & skf21("2","2","4","7","3","2","6","1") = "6"
    & skf21("2","2","4","7","3","2","7","1") = "6"
    & skf21("2","2","4","7","3","3","1","1") = "6"
    & skf21("2","2","4","7","3","3","2","1") = "6"
    & skf21("2","2","4","7","3","3","3","1") = "6"
    & skf21("2","2","4","7","3","3","4","1") = "6"
    & skf21("2","2","4","7","3","3","5","1") = "6"
    & skf21("2","2","4","7","3","3","6","1") = "6"
    & skf21("2","2","4","7","3","3","7","1") = "6"
    & skf21("2","2","4","7","3","4","1","1") = "6"
    & skf21("2","2","4","7","3","4","2","1") = "6"
    & skf21("2","2","4","7","3","4","3","1") = "6"
    & skf21("2","2","4","7","3","4","4","1") = "6"
    & skf21("2","2","4","7","3","4","5","1") = "6"
    & skf21("2","2","4","7","3","4","6","1") = "6"
    & skf21("2","2","4","7","3","4","7","1") = "6"
    & skf21("2","2","4","7","3","5","1","1") = "6"
    & skf21("2","2","4","7","3","5","2","1") = "6"
    & skf21("2","2","4","7","3","5","3","1") = "6"
    & skf21("2","2","4","7","3","5","4","1") = "6"
    & skf21("2","2","4","7","3","5","5","1") = "6"
    & skf21("2","2","4","7","3","5","6","1") = "6"
    & skf21("2","2","4","7","3","5","7","1") = "6"
    & skf21("2","2","4","7","3","6","1","1") = "6"
    & skf21("2","2","4","7","3","6","2","1") = "6"
    & skf21("2","2","4","7","3","6","3","1") = "6"
    & skf21("2","2","4","7","3","6","4","1") = "6"
    & skf21("2","2","4","7","3","6","5","1") = "6"
    & skf21("2","2","4","7","3","6","6","1") = "6"
    & skf21("2","2","4","7","3","6","7","1") = "6"
    & skf21("2","2","4","7","3","7","1","1") = "6"
    & skf21("2","2","4","7","3","7","2","1") = "6"
    & skf21("2","2","4","7","3","7","3","1") = "6"
    & skf21("2","2","4","7","3","7","4","1") = "6"
    & skf21("2","2","4","7","3","7","5","1") = "6"
    & skf21("2","2","4","7","3","7","6","1") = "6"
    & skf21("2","2","4","7","3","7","7","1") = "6"
    & skf21("2","2","4","7","4","1","1","1") = "6"
    & skf21("2","2","4","7","4","1","2","1") = "6"
    & skf21("2","2","4","7","4","1","3","1") = "6"
    & skf21("2","2","4","7","4","1","4","1") = "6"
    & skf21("2","2","4","7","4","1","5","1") = "6"
    & skf21("2","2","4","7","4","1","6","1") = "6"
    & skf21("2","2","4","7","4","1","7","1") = "6"
    & skf21("2","2","4","7","4","2","1","1") = "6"
    & skf21("2","2","4","7","4","2","2","1") = "6"
    & skf21("2","2","4","7","4","2","3","1") = "6"
    & skf21("2","2","4","7","4","2","4","1") = "6"
    & skf21("2","2","4","7","4","2","5","1") = "6"
    & skf21("2","2","4","7","4","2","6","1") = "6"
    & skf21("2","2","4","7","4","2","7","1") = "6"
    & skf21("2","2","4","7","4","3","1","1") = "6"
    & skf21("2","2","4","7","4","3","2","1") = "6"
    & skf21("2","2","4","7","4","3","3","1") = "6"
    & skf21("2","2","4","7","4","3","4","1") = "6"
    & skf21("2","2","4","7","4","3","5","1") = "6"
    & skf21("2","2","4","7","4","3","6","1") = "6"
    & skf21("2","2","4","7","4","3","7","1") = "6"
    & skf21("2","2","4","7","4","4","1","1") = "6"
    & skf21("2","2","4","7","4","4","2","1") = "6"
    & skf21("2","2","4","7","4","4","3","1") = "6"
    & skf21("2","2","4","7","4","4","4","1") = "6"
    & skf21("2","2","4","7","4","4","5","1") = "6"
    & skf21("2","2","4","7","4","4","6","1") = "6"
    & skf21("2","2","4","7","4","4","7","1") = "6"
    & skf21("2","2","4","7","4","5","1","1") = "6"
    & skf21("2","2","4","7","4","5","2","1") = "6"
    & skf21("2","2","4","7","4","5","3","1") = "6"
    & skf21("2","2","4","7","4","5","4","1") = "6"
    & skf21("2","2","4","7","4","5","5","1") = "6"
    & skf21("2","2","4","7","4","5","6","1") = "6"
    & skf21("2","2","4","7","4","5","7","1") = "6"
    & skf21("2","2","4","7","4","6","1","1") = "6"
    & skf21("2","2","4","7","4","6","2","1") = "6"
    & skf21("2","2","4","7","4","6","3","1") = "6"
    & skf21("2","2","4","7","4","6","4","1") = "6"
    & skf21("2","2","4","7","4","6","5","1") = "6"
    & skf21("2","2","4","7","4","6","6","1") = "6"
    & skf21("2","2","4","7","4","6","7","1") = "6"
    & skf21("2","2","4","7","4","7","1","1") = "6"
    & skf21("2","2","4","7","4","7","2","1") = "6"
    & skf21("2","2","4","7","4","7","3","1") = "6"
    & skf21("2","2","4","7","4","7","4","1") = "6"
    & skf21("2","2","4","7","4","7","5","1") = "6"
    & skf21("2","2","4","7","4","7","6","1") = "6"
    & skf21("2","2","4","7","4","7","7","1") = "6"
    & skf21("2","2","4","7","5","1","1","1") = "6"
    & skf21("2","2","4","7","5","1","2","1") = "6"
    & skf21("2","2","4","7","5","1","3","1") = "6"
    & skf21("2","2","4","7","5","1","4","1") = "6"
    & skf21("2","2","4","7","5","1","5","1") = "6"
    & skf21("2","2","4","7","5","1","6","1") = "6"
    & skf21("2","2","4","7","5","1","7","1") = "6"
    & skf21("2","2","4","7","5","2","1","1") = "6"
    & skf21("2","2","4","7","5","2","2","1") = "6"
    & skf21("2","2","4","7","5","2","3","1") = "6"
    & skf21("2","2","4","7","5","2","4","1") = "6"
    & skf21("2","2","4","7","5","2","5","1") = "6"
    & skf21("2","2","4","7","5","2","6","1") = "6"
    & skf21("2","2","4","7","5","2","7","1") = "6"
    & skf21("2","2","4","7","5","3","1","1") = "6"
    & skf21("2","2","4","7","5","3","2","1") = "6"
    & skf21("2","2","4","7","5","3","3","1") = "6"
    & skf21("2","2","4","7","5","3","4","1") = "6"
    & skf21("2","2","4","7","5","3","5","1") = "6"
    & skf21("2","2","4","7","5","3","6","1") = "6"
    & skf21("2","2","4","7","5","3","7","1") = "6"
    & skf21("2","2","4","7","5","4","1","1") = "6"
    & skf21("2","2","4","7","5","4","2","1") = "6"
    & skf21("2","2","4","7","5","4","3","1") = "6"
    & skf21("2","2","4","7","5","4","4","1") = "6"
    & skf21("2","2","4","7","5","4","5","1") = "6"
    & skf21("2","2","4","7","5","4","6","1") = "6"
    & skf21("2","2","4","7","5","4","7","1") = "6"
    & skf21("2","2","4","7","5","5","1","1") = "6"
    & skf21("2","2","4","7","5","5","2","1") = "6"
    & skf21("2","2","4","7","5","5","3","1") = "6"
    & skf21("2","2","4","7","5","5","4","1") = "6"
    & skf21("2","2","4","7","5","5","5","1") = "6"
    & skf21("2","2","4","7","5","5","6","1") = "6"
    & skf21("2","2","4","7","5","5","7","1") = "6"
    & skf21("2","2","4","7","5","6","1","1") = "6"
    & skf21("2","2","4","7","5","6","2","1") = "6"
    & skf21("2","2","4","7","5","6","3","1") = "6"
    & skf21("2","2","4","7","5","6","4","1") = "6"
    & skf21("2","2","4","7","5","6","5","1") = "6"
    & skf21("2","2","4","7","5","6","6","1") = "6"
    & skf21("2","2","4","7","5","6","7","1") = "6"
    & skf21("2","2","4","7","5","7","1","1") = "6"
    & skf21("2","2","4","7","5","7","2","1") = "6"
    & skf21("2","2","4","7","5","7","3","1") = "6"
    & skf21("2","2","4","7","5","7","4","1") = "6"
    & skf21("2","2","4","7","5","7","5","1") = "6"
    & skf21("2","2","4","7","5","7","6","1") = "6"
    & skf21("2","2","4","7","5","7","7","1") = "6"
    & skf21("2","2","4","7","6","1","1","1") = "6"
    & skf21("2","2","4","7","6","1","2","1") = "6"
    & skf21("2","2","4","7","6","1","3","1") = "6"
    & skf21("2","2","4","7","6","1","4","1") = "6"
    & skf21("2","2","4","7","6","1","5","1") = "6"
    & skf21("2","2","4","7","6","1","6","1") = "6"
    & skf21("2","2","4","7","6","1","7","1") = "6"
    & skf21("2","2","4","7","6","2","1","1") = "6"
    & skf21("2","2","4","7","6","2","2","1") = "6"
    & skf21("2","2","4","7","6","2","3","1") = "6"
    & skf21("2","2","4","7","6","2","4","1") = "6"
    & skf21("2","2","4","7","6","2","5","1") = "6"
    & skf21("2","2","4","7","6","2","6","1") = "6"
    & skf21("2","2","4","7","6","2","7","1") = "6"
    & skf21("2","2","4","7","6","3","1","1") = "6"
    & skf21("2","2","4","7","6","3","2","1") = "6"
    & skf21("2","2","4","7","6","3","3","1") = "6"
    & skf21("2","2","4","7","6","3","4","1") = "6"
    & skf21("2","2","4","7","6","3","5","1") = "6"
    & skf21("2","2","4","7","6","3","6","1") = "6"
    & skf21("2","2","4","7","6","3","7","1") = "6"
    & skf21("2","2","4","7","6","4","1","1") = "6"
    & skf21("2","2","4","7","6","4","2","1") = "6"
    & skf21("2","2","4","7","6","4","3","1") = "6"
    & skf21("2","2","4","7","6","4","4","1") = "6"
    & skf21("2","2","4","7","6","4","5","1") = "6"
    & skf21("2","2","4","7","6","4","6","1") = "6"
    & skf21("2","2","4","7","6","4","7","1") = "6"
    & skf21("2","2","4","7","6","5","1","1") = "6"
    & skf21("2","2","4","7","6","5","2","1") = "6"
    & skf21("2","2","4","7","6","5","3","1") = "6"
    & skf21("2","2","4","7","6","5","4","1") = "6"
    & skf21("2","2","4","7","6","5","5","1") = "6"
    & skf21("2","2","4","7","6","5","6","1") = "6"
    & skf21("2","2","4","7","6","5","7","1") = "6"
    & skf21("2","2","4","7","6","6","1","1") = "6"
    & skf21("2","2","4","7","6","6","2","1") = "6"
    & skf21("2","2","4","7","6","6","3","1") = "6"
    & skf21("2","2","4","7","6","6","4","1") = "6"
    & skf21("2","2","4","7","6","6","5","1") = "6"
    & skf21("2","2","4","7","6","6","6","1") = "6"
    & skf21("2","2","4","7","6","6","7","1") = "6"
    & skf21("2","2","4","7","6","7","1","1") = "6"
    & skf21("2","2","4","7","6","7","2","1") = "6"
    & skf21("2","2","4","7","6","7","3","1") = "6"
    & skf21("2","2","4","7","6","7","4","1") = "6"
    & skf21("2","2","4","7","6","7","5","1") = "6"
    & skf21("2","2","4","7","6","7","6","1") = "6"
    & skf21("2","2","4","7","6","7","7","1") = "6"
    & skf21("2","2","4","7","7","1","1","1") = "6"
    & skf21("2","2","4","7","7","1","2","1") = "6"
    & skf21("2","2","4","7","7","1","3","1") = "6"
    & skf21("2","2","4","7","7","1","4","1") = "6"
    & skf21("2","2","4","7","7","1","5","1") = "6"
    & skf21("2","2","4","7","7","1","6","1") = "6"
    & skf21("2","2","4","7","7","1","7","1") = "6"
    & skf21("2","2","4","7","7","2","1","1") = "6"
    & skf21("2","2","4","7","7","2","2","1") = "6"
    & skf21("2","2","4","7","7","2","3","1") = "6"
    & skf21("2","2","4","7","7","2","4","1") = "6"
    & skf21("2","2","4","7","7","2","5","1") = "6"
    & skf21("2","2","4","7","7","2","6","1") = "6"
    & skf21("2","2","4","7","7","2","7","1") = "6"
    & skf21("2","2","4","7","7","3","1","1") = "6"
    & skf21("2","2","4","7","7","3","2","1") = "6"
    & skf21("2","2","4","7","7","3","3","1") = "6"
    & skf21("2","2","4","7","7","3","4","1") = "6"
    & skf21("2","2","4","7","7","3","5","1") = "6"
    & skf21("2","2","4","7","7","3","6","1") = "6"
    & skf21("2","2","4","7","7","3","7","1") = "6"
    & skf21("2","2","4","7","7","4","1","1") = "6"
    & skf21("2","2","4","7","7","4","2","1") = "6"
    & skf21("2","2","4","7","7","4","3","1") = "6"
    & skf21("2","2","4","7","7","4","4","1") = "6"
    & skf21("2","2","4","7","7","4","5","1") = "6"
    & skf21("2","2","4","7","7","4","6","1") = "6"
    & skf21("2","2","4","7","7","4","7","1") = "6"
    & skf21("2","2","4","7","7","5","1","1") = "6"
    & skf21("2","2","4","7","7","5","2","1") = "6"
    & skf21("2","2","4","7","7","5","3","1") = "6"
    & skf21("2","2","4","7","7","5","4","1") = "6"
    & skf21("2","2","4","7","7","5","5","1") = "6"
    & skf21("2","2","4","7","7","5","6","1") = "6"
    & skf21("2","2","4","7","7","5","7","1") = "6"
    & skf21("2","2","4","7","7","6","1","1") = "6"
    & skf21("2","2","4","7","7","6","2","1") = "6"
    & skf21("2","2","4","7","7","6","3","1") = "6"
    & skf21("2","2","4","7","7","6","4","1") = "6"
    & skf21("2","2","4","7","7","6","5","1") = "6"
    & skf21("2","2","4","7","7","6","6","1") = "6"
    & skf21("2","2","4","7","7","6","7","1") = "6"
    & skf21("2","2","4","7","7","7","1","1") = "6"
    & skf21("2","2","4","7","7","7","2","1") = "6"
    & skf21("2","2","4","7","7","7","3","1") = "6"
    & skf21("2","2","4","7","7","7","4","1") = "6"
    & skf21("2","2","4","7","7","7","5","1") = "6"
    & skf21("2","2","4","7","7","7","6","1") = "6"
    & skf21("2","2","4","7","7","7","7","1") = "6"
    & skf21("2","2","5","1","1","1","1","1") = "4"
    & skf21("2","2","5","1","1","1","2","1") = "4"
    & skf21("2","2","5","1","1","1","3","1") = "4"
    & skf21("2","2","5","1","1","1","4","1") = "4"
    & skf21("2","2","5","1","1","1","5","1") = "4"
    & skf21("2","2","5","1","1","1","6","1") = "5"
    & skf21("2","2","5","1","1","1","7","1") = "6"
    & skf21("2","2","5","1","1","2","1","1") = "4"
    & skf21("2","2","5","1","1","2","2","1") = "4"
    & skf21("2","2","5","1","1","2","3","1") = "4"
    & skf21("2","2","5","1","1","2","4","1") = "4"
    & skf21("2","2","5","1","1","2","5","1") = "4"
    & skf21("2","2","5","1","1","2","6","1") = "5"
    & skf21("2","2","5","1","1","2","7","1") = "6"
    & skf21("2","2","5","1","1","3","1","1") = "4"
    & skf21("2","2","5","1","1","3","2","1") = "4"
    & skf21("2","2","5","1","1","3","3","1") = "4"
    & skf21("2","2","5","1","1","3","4","1") = "4"
    & skf21("2","2","5","1","1","3","5","1") = "4"
    & skf21("2","2","5","1","1","3","6","1") = "5"
    & skf21("2","2","5","1","1","3","7","1") = "6"
    & skf21("2","2","5","1","1","4","1","1") = "4"
    & skf21("2","2","5","1","1","4","2","1") = "4"
    & skf21("2","2","5","1","1","4","3","1") = "4"
    & skf21("2","2","5","1","1","4","4","1") = "4"
    & skf21("2","2","5","1","1","4","5","1") = "4"
    & skf21("2","2","5","1","1","4","6","1") = "5"
    & skf21("2","2","5","1","1","4","7","1") = "6"
    & skf21("2","2","5","1","1","5","1","1") = "4"
    & skf21("2","2","5","1","1","5","2","1") = "4"
    & skf21("2","2","5","1","1","5","3","1") = "4"
    & skf21("2","2","5","1","1","5","4","1") = "4"
    & skf21("2","2","5","1","1","5","5","1") = "4"
    & skf21("2","2","5","1","1","5","6","1") = "5"
    & skf21("2","2","5","1","1","5","7","1") = "6"
    & skf21("2","2","5","1","1","6","1","1") = "5"
    & skf21("2","2","5","1","1","6","2","1") = "5"
    & skf21("2","2","5","1","1","6","3","1") = "5"
    & skf21("2","2","5","1","1","6","4","1") = "5"
    & skf21("2","2","5","1","1","6","5","1") = "5"
    & skf21("2","2","5","1","1","6","6","1") = "5"
    & skf21("2","2","5","1","1","6","7","1") = "6"
    & skf21("2","2","5","1","1","7","1","1") = "6"
    & skf21("2","2","5","1","1","7","2","1") = "6"
    & skf21("2","2","5","1","1","7","3","1") = "6"
    & skf21("2","2","5","1","1","7","4","1") = "6"
    & skf21("2","2","5","1","1","7","5","1") = "6"
    & skf21("2","2","5","1","1","7","6","1") = "6"
    & skf21("2","2","5","1","1","7","7","1") = "6"
    & skf21("2","2","5","1","2","1","1","1") = "4"
    & skf21("2","2","5","1","2","1","2","1") = "4"
    & skf21("2","2","5","1","2","1","3","1") = "4"
    & skf21("2","2","5","1","2","1","4","1") = "4"
    & skf21("2","2","5","1","2","1","5","1") = "4"
    & skf21("2","2","5","1","2","1","6","1") = "5"
    & skf21("2","2","5","1","2","1","7","1") = "6"
    & skf21("2","2","5","1","2","2","1","1") = "4"
    & skf21("2","2","5","1","2","2","2","1") = "4"
    & skf21("2","2","5","1","2","2","3","1") = "4"
    & skf21("2","2","5","1","2","2","4","1") = "4"
    & skf21("2","2","5","1","2","2","5","1") = "4"
    & skf21("2","2","5","1","2","2","6","1") = "5"
    & skf21("2","2","5","1","2","2","7","1") = "6"
    & skf21("2","2","5","1","2","3","1","1") = "4"
    & skf21("2","2","5","1","2","3","2","1") = "4"
    & skf21("2","2","5","1","2","3","3","1") = "4"
    & skf21("2","2","5","1","2","3","4","1") = "4"
    & skf21("2","2","5","1","2","3","5","1") = "4"
    & skf21("2","2","5","1","2","3","6","1") = "5"
    & skf21("2","2","5","1","2","3","7","1") = "6"
    & skf21("2","2","5","1","2","4","1","1") = "4"
    & skf21("2","2","5","1","2","4","2","1") = "4"
    & skf21("2","2","5","1","2","4","3","1") = "4"
    & skf21("2","2","5","1","2","4","4","1") = "4"
    & skf21("2","2","5","1","2","4","5","1") = "4"
    & skf21("2","2","5","1","2","4","6","1") = "5"
    & skf21("2","2","5","1","2","4","7","1") = "6"
    & skf21("2","2","5","1","2","5","1","1") = "4"
    & skf21("2","2","5","1","2","5","2","1") = "4"
    & skf21("2","2","5","1","2","5","3","1") = "4"
    & skf21("2","2","5","1","2","5","4","1") = "4"
    & skf21("2","2","5","1","2","5","5","1") = "4"
    & skf21("2","2","5","1","2","5","6","1") = "5"
    & skf21("2","2","5","1","2","5","7","1") = "6"
    & skf21("2","2","5","1","2","6","1","1") = "5"
    & skf21("2","2","5","1","2","6","2","1") = "5"
    & skf21("2","2","5","1","2","6","3","1") = "5"
    & skf21("2","2","5","1","2","6","4","1") = "5"
    & skf21("2","2","5","1","2","6","5","1") = "5"
    & skf21("2","2","5","1","2","6","6","1") = "5"
    & skf21("2","2","5","1","2","6","7","1") = "6"
    & skf21("2","2","5","1","2","7","1","1") = "6"
    & skf21("2","2","5","1","2","7","2","1") = "6"
    & skf21("2","2","5","1","2","7","3","1") = "6"
    & skf21("2","2","5","1","2","7","4","1") = "6"
    & skf21("2","2","5","1","2","7","5","1") = "6"
    & skf21("2","2","5","1","2","7","6","1") = "6"
    & skf21("2","2","5","1","2","7","7","1") = "6"
    & skf21("2","2","5","1","3","1","1","1") = "4"
    & skf21("2","2","5","1","3","1","2","1") = "4"
    & skf21("2","2","5","1","3","1","3","1") = "4"
    & skf21("2","2","5","1","3","1","4","1") = "4"
    & skf21("2","2","5","1","3","1","5","1") = "4"
    & skf21("2","2","5","1","3","1","6","1") = "5"
    & skf21("2","2","5","1","3","1","7","1") = "6"
    & skf21("2","2","5","1","3","2","1","1") = "4"
    & skf21("2","2","5","1","3","2","2","1") = "4"
    & skf21("2","2","5","1","3","2","3","1") = "4"
    & skf21("2","2","5","1","3","2","4","1") = "4"
    & skf21("2","2","5","1","3","2","5","1") = "4"
    & skf21("2","2","5","1","3","2","6","1") = "5"
    & skf21("2","2","5","1","3","2","7","1") = "6"
    & skf21("2","2","5","1","3","3","1","1") = "4"
    & skf21("2","2","5","1","3","3","2","1") = "4"
    & skf21("2","2","5","1","3","3","3","1") = "4"
    & skf21("2","2","5","1","3","3","4","1") = "4"
    & skf21("2","2","5","1","3","3","5","1") = "4"
    & skf21("2","2","5","1","3","3","6","1") = "5"
    & skf21("2","2","5","1","3","3","7","1") = "6"
    & skf21("2","2","5","1","3","4","1","1") = "4"
    & skf21("2","2","5","1","3","4","2","1") = "4"
    & skf21("2","2","5","1","3","4","3","1") = "4"
    & skf21("2","2","5","1","3","4","4","1") = "4"
    & skf21("2","2","5","1","3","4","5","1") = "4"
    & skf21("2","2","5","1","3","4","6","1") = "5"
    & skf21("2","2","5","1","3","4","7","1") = "6"
    & skf21("2","2","5","1","3","5","1","1") = "4"
    & skf21("2","2","5","1","3","5","2","1") = "4"
    & skf21("2","2","5","1","3","5","3","1") = "4"
    & skf21("2","2","5","1","3","5","4","1") = "4"
    & skf21("2","2","5","1","3","5","5","1") = "4"
    & skf21("2","2","5","1","3","5","6","1") = "5"
    & skf21("2","2","5","1","3","5","7","1") = "6"
    & skf21("2","2","5","1","3","6","1","1") = "5"
    & skf21("2","2","5","1","3","6","2","1") = "5"
    & skf21("2","2","5","1","3","6","3","1") = "5"
    & skf21("2","2","5","1","3","6","4","1") = "5"
    & skf21("2","2","5","1","3","6","5","1") = "5"
    & skf21("2","2","5","1","3","6","6","1") = "5"
    & skf21("2","2","5","1","3","6","7","1") = "6"
    & skf21("2","2","5","1","3","7","1","1") = "6"
    & skf21("2","2","5","1","3","7","2","1") = "6"
    & skf21("2","2","5","1","3","7","3","1") = "6"
    & skf21("2","2","5","1","3","7","4","1") = "6"
    & skf21("2","2","5","1","3","7","5","1") = "6"
    & skf21("2","2","5","1","3","7","6","1") = "6"
    & skf21("2","2","5","1","3","7","7","1") = "6"
    & skf21("2","2","5","1","4","1","1","1") = "4"
    & skf21("2","2","5","1","4","1","2","1") = "4"
    & skf21("2","2","5","1","4","1","3","1") = "4"
    & skf21("2","2","5","1","4","1","4","1") = "4"
    & skf21("2","2","5","1","4","1","5","1") = "4"
    & skf21("2","2","5","1","4","1","6","1") = "5"
    & skf21("2","2","5","1","4","1","7","1") = "6"
    & skf21("2","2","5","1","4","2","1","1") = "4"
    & skf21("2","2","5","1","4","2","2","1") = "4"
    & skf21("2","2","5","1","4","2","3","1") = "4"
    & skf21("2","2","5","1","4","2","4","1") = "4"
    & skf21("2","2","5","1","4","2","5","1") = "4"
    & skf21("2","2","5","1","4","2","6","1") = "5"
    & skf21("2","2","5","1","4","2","7","1") = "6"
    & skf21("2","2","5","1","4","3","1","1") = "4"
    & skf21("2","2","5","1","4","3","2","1") = "4"
    & skf21("2","2","5","1","4","3","3","1") = "4"
    & skf21("2","2","5","1","4","3","4","1") = "4"
    & skf21("2","2","5","1","4","3","5","1") = "4"
    & skf21("2","2","5","1","4","3","6","1") = "5"
    & skf21("2","2","5","1","4","3","7","1") = "6"
    & skf21("2","2","5","1","4","4","1","1") = "4"
    & skf21("2","2","5","1","4","4","2","1") = "4"
    & skf21("2","2","5","1","4","4","3","1") = "4"
    & skf21("2","2","5","1","4","4","4","1") = "4"
    & skf21("2","2","5","1","4","4","5","1") = "4"
    & skf21("2","2","5","1","4","4","6","1") = "5"
    & skf21("2","2","5","1","4","4","7","1") = "6"
    & skf21("2","2","5","1","4","5","1","1") = "4"
    & skf21("2","2","5","1","4","5","2","1") = "4"
    & skf21("2","2","5","1","4","5","3","1") = "4"
    & skf21("2","2","5","1","4","5","4","1") = "4"
    & skf21("2","2","5","1","4","5","5","1") = "4"
    & skf21("2","2","5","1","4","5","6","1") = "5"
    & skf21("2","2","5","1","4","5","7","1") = "6"
    & skf21("2","2","5","1","4","6","1","1") = "5"
    & skf21("2","2","5","1","4","6","2","1") = "5"
    & skf21("2","2","5","1","4","6","3","1") = "5"
    & skf21("2","2","5","1","4","6","4","1") = "5"
    & skf21("2","2","5","1","4","6","5","1") = "5"
    & skf21("2","2","5","1","4","6","6","1") = "5"
    & skf21("2","2","5","1","4","6","7","1") = "6"
    & skf21("2","2","5","1","4","7","1","1") = "6"
    & skf21("2","2","5","1","4","7","2","1") = "6"
    & skf21("2","2","5","1","4","7","3","1") = "6"
    & skf21("2","2","5","1","4","7","4","1") = "6"
    & skf21("2","2","5","1","4","7","5","1") = "6"
    & skf21("2","2","5","1","4","7","6","1") = "6"
    & skf21("2","2","5","1","4","7","7","1") = "6"
    & skf21("2","2","5","1","5","1","1","1") = "4"
    & skf21("2","2","5","1","5","1","2","1") = "4"
    & skf21("2","2","5","1","5","1","3","1") = "4"
    & skf21("2","2","5","1","5","1","4","1") = "4"
    & skf21("2","2","5","1","5","1","5","1") = "4"
    & skf21("2","2","5","1","5","1","6","1") = "5"
    & skf21("2","2","5","1","5","1","7","1") = "6"
    & skf21("2","2","5","1","5","2","1","1") = "4"
    & skf21("2","2","5","1","5","2","2","1") = "4"
    & skf21("2","2","5","1","5","2","3","1") = "4"
    & skf21("2","2","5","1","5","2","4","1") = "4"
    & skf21("2","2","5","1","5","2","5","1") = "4"
    & skf21("2","2","5","1","5","2","6","1") = "5"
    & skf21("2","2","5","1","5","2","7","1") = "6"
    & skf21("2","2","5","1","5","3","1","1") = "4"
    & skf21("2","2","5","1","5","3","2","1") = "4"
    & skf21("2","2","5","1","5","3","3","1") = "4"
    & skf21("2","2","5","1","5","3","4","1") = "4"
    & skf21("2","2","5","1","5","3","5","1") = "4"
    & skf21("2","2","5","1","5","3","6","1") = "5"
    & skf21("2","2","5","1","5","3","7","1") = "6"
    & skf21("2","2","5","1","5","4","1","1") = "4"
    & skf21("2","2","5","1","5","4","2","1") = "4"
    & skf21("2","2","5","1","5","4","3","1") = "4"
    & skf21("2","2","5","1","5","4","4","1") = "4"
    & skf21("2","2","5","1","5","4","5","1") = "4"
    & skf21("2","2","5","1","5","4","6","1") = "5"
    & skf21("2","2","5","1","5","4","7","1") = "6"
    & skf21("2","2","5","1","5","5","1","1") = "4"
    & skf21("2","2","5","1","5","5","2","1") = "4"
    & skf21("2","2","5","1","5","5","3","1") = "4"
    & skf21("2","2","5","1","5","5","4","1") = "4"
    & skf21("2","2","5","1","5","5","5","1") = "4"
    & skf21("2","2","5","1","5","5","6","1") = "5"
    & skf21("2","2","5","1","5","5","7","1") = "6"
    & skf21("2","2","5","1","5","6","1","1") = "5"
    & skf21("2","2","5","1","5","6","2","1") = "5"
    & skf21("2","2","5","1","5","6","3","1") = "5"
    & skf21("2","2","5","1","5","6","4","1") = "5"
    & skf21("2","2","5","1","5","6","5","1") = "5"
    & skf21("2","2","5","1","5","6","6","1") = "5"
    & skf21("2","2","5","1","5","6","7","1") = "6"
    & skf21("2","2","5","1","5","7","1","1") = "6"
    & skf21("2","2","5","1","5","7","2","1") = "6"
    & skf21("2","2","5","1","5","7","3","1") = "6"
    & skf21("2","2","5","1","5","7","4","1") = "6"
    & skf21("2","2","5","1","5","7","5","1") = "6"
    & skf21("2","2","5","1","5","7","6","1") = "6"
    & skf21("2","2","5","1","5","7","7","1") = "6"
    & skf21("2","2","5","1","6","1","1","1") = "5"
    & skf21("2","2","5","1","6","1","2","1") = "5"
    & skf21("2","2","5","1","6","1","3","1") = "5"
    & skf21("2","2","5","1","6","1","4","1") = "5"
    & skf21("2","2","5","1","6","1","5","1") = "5"
    & skf21("2","2","5","1","6","1","6","1") = "5"
    & skf21("2","2","5","1","6","1","7","1") = "6"
    & skf21("2","2","5","1","6","2","1","1") = "5"
    & skf21("2","2","5","1","6","2","2","1") = "5"
    & skf21("2","2","5","1","6","2","3","1") = "5"
    & skf21("2","2","5","1","6","2","4","1") = "5"
    & skf21("2","2","5","1","6","2","5","1") = "5"
    & skf21("2","2","5","1","6","2","6","1") = "5"
    & skf21("2","2","5","1","6","2","7","1") = "6"
    & skf21("2","2","5","1","6","3","1","1") = "5"
    & skf21("2","2","5","1","6","3","2","1") = "5"
    & skf21("2","2","5","1","6","3","3","1") = "5"
    & skf21("2","2","5","1","6","3","4","1") = "5"
    & skf21("2","2","5","1","6","3","5","1") = "5"
    & skf21("2","2","5","1","6","3","6","1") = "5"
    & skf21("2","2","5","1","6","3","7","1") = "6"
    & skf21("2","2","5","1","6","4","1","1") = "5"
    & skf21("2","2","5","1","6","4","2","1") = "5"
    & skf21("2","2","5","1","6","4","3","1") = "5"
    & skf21("2","2","5","1","6","4","4","1") = "5"
    & skf21("2","2","5","1","6","4","5","1") = "5"
    & skf21("2","2","5","1","6","4","6","1") = "5"
    & skf21("2","2","5","1","6","4","7","1") = "6"
    & skf21("2","2","5","1","6","5","1","1") = "5"
    & skf21("2","2","5","1","6","5","2","1") = "5"
    & skf21("2","2","5","1","6","5","3","1") = "5"
    & skf21("2","2","5","1","6","5","4","1") = "5"
    & skf21("2","2","5","1","6","5","5","1") = "5"
    & skf21("2","2","5","1","6","5","6","1") = "5"
    & skf21("2","2","5","1","6","5","7","1") = "6"
    & skf21("2","2","5","1","6","6","1","1") = "5"
    & skf21("2","2","5","1","6","6","2","1") = "5"
    & skf21("2","2","5","1","6","6","3","1") = "5"
    & skf21("2","2","5","1","6","6","4","1") = "5"
    & skf21("2","2","5","1","6","6","5","1") = "5"
    & skf21("2","2","5","1","6","6","6","1") = "5"
    & skf21("2","2","5","1","6","6","7","1") = "6"
    & skf21("2","2","5","1","6","7","1","1") = "6"
    & skf21("2","2","5","1","6","7","2","1") = "6"
    & skf21("2","2","5","1","6","7","3","1") = "6"
    & skf21("2","2","5","1","6","7","4","1") = "6"
    & skf21("2","2","5","1","6","7","5","1") = "6"
    & skf21("2","2","5","1","6","7","6","1") = "6"
    & skf21("2","2","5","1","6","7","7","1") = "6"
    & skf21("2","2","5","1","7","1","1","1") = "6"
    & skf21("2","2","5","1","7","1","2","1") = "6"
    & skf21("2","2","5","1","7","1","3","1") = "6"
    & skf21("2","2","5","1","7","1","4","1") = "6"
    & skf21("2","2","5","1","7","1","5","1") = "6"
    & skf21("2","2","5","1","7","1","6","1") = "6"
    & skf21("2","2","5","1","7","1","7","1") = "6"
    & skf21("2","2","5","1","7","2","1","1") = "6"
    & skf21("2","2","5","1","7","2","2","1") = "6"
    & skf21("2","2","5","1","7","2","3","1") = "6"
    & skf21("2","2","5","1","7","2","4","1") = "6"
    & skf21("2","2","5","1","7","2","5","1") = "6"
    & skf21("2","2","5","1","7","2","6","1") = "6"
    & skf21("2","2","5","1","7","2","7","1") = "6"
    & skf21("2","2","5","1","7","3","1","1") = "6"
    & skf21("2","2","5","1","7","3","2","1") = "6"
    & skf21("2","2","5","1","7","3","3","1") = "6"
    & skf21("2","2","5","1","7","3","4","1") = "6"
    & skf21("2","2","5","1","7","3","5","1") = "6"
    & skf21("2","2","5","1","7","3","6","1") = "6"
    & skf21("2","2","5","1","7","3","7","1") = "6"
    & skf21("2","2","5","1","7","4","1","1") = "6"
    & skf21("2","2","5","1","7","4","2","1") = "6"
    & skf21("2","2","5","1","7","4","3","1") = "6"
    & skf21("2","2","5","1","7","4","4","1") = "6"
    & skf21("2","2","5","1","7","4","5","1") = "6"
    & skf21("2","2","5","1","7","4","6","1") = "6"
    & skf21("2","2","5","1","7","4","7","1") = "6"
    & skf21("2","2","5","1","7","5","1","1") = "6"
    & skf21("2","2","5","1","7","5","2","1") = "6"
    & skf21("2","2","5","1","7","5","3","1") = "6"
    & skf21("2","2","5","1","7","5","4","1") = "6"
    & skf21("2","2","5","1","7","5","5","1") = "6"
    & skf21("2","2","5","1","7","5","6","1") = "6"
    & skf21("2","2","5","1","7","5","7","1") = "6"
    & skf21("2","2","5","1","7","6","1","1") = "6"
    & skf21("2","2","5","1","7","6","2","1") = "6"
    & skf21("2","2","5","1","7","6","3","1") = "6"
    & skf21("2","2","5","1","7","6","4","1") = "6"
    & skf21("2","2","5","1","7","6","5","1") = "6"
    & skf21("2","2","5","1","7","6","6","1") = "6"
    & skf21("2","2","5","1","7","6","7","1") = "6"
    & skf21("2","2","5","1","7","7","1","1") = "6"
    & skf21("2","2","5","1","7","7","2","1") = "6"
    & skf21("2","2","5","1","7","7","3","1") = "6"
    & skf21("2","2","5","1","7","7","4","1") = "6"
    & skf21("2","2","5","1","7","7","5","1") = "6"
    & skf21("2","2","5","1","7","7","6","1") = "6"
    & skf21("2","2","5","1","7","7","7","1") = "6"
    & skf21("2","2","5","2","1","1","1","1") = "4"
    & skf21("2","2","5","2","1","1","2","1") = "4"
    & skf21("2","2","5","2","1","1","3","1") = "4"
    & skf21("2","2","5","2","1","1","4","1") = "4"
    & skf21("2","2","5","2","1","1","5","1") = "4"
    & skf21("2","2","5","2","1","1","6","1") = "5"
    & skf21("2","2","5","2","1","1","7","1") = "6"
    & skf21("2","2","5","2","1","2","1","1") = "4"
    & skf21("2","2","5","2","1","2","2","1") = "4"
    & skf21("2","2","5","2","1","2","3","1") = "4"
    & skf21("2","2","5","2","1","2","4","1") = "4"
    & skf21("2","2","5","2","1","2","5","1") = "4"
    & skf21("2","2","5","2","1","2","6","1") = "5"
    & skf21("2","2","5","2","1","2","7","1") = "6"
    & skf21("2","2","5","2","1","3","1","1") = "4"
    & skf21("2","2","5","2","1","3","2","1") = "4"
    & skf21("2","2","5","2","1","3","3","1") = "4"
    & skf21("2","2","5","2","1","3","4","1") = "4"
    & skf21("2","2","5","2","1","3","5","1") = "4"
    & skf21("2","2","5","2","1","3","6","1") = "5"
    & skf21("2","2","5","2","1","3","7","1") = "6"
    & skf21("2","2","5","2","1","4","1","1") = "4"
    & skf21("2","2","5","2","1","4","2","1") = "4"
    & skf21("2","2","5","2","1","4","3","1") = "4"
    & skf21("2","2","5","2","1","4","4","1") = "4"
    & skf21("2","2","5","2","1","4","5","1") = "4"
    & skf21("2","2","5","2","1","4","6","1") = "5"
    & skf21("2","2","5","2","1","4","7","1") = "6"
    & skf21("2","2","5","2","1","5","1","1") = "4"
    & skf21("2","2","5","2","1","5","2","1") = "4"
    & skf21("2","2","5","2","1","5","3","1") = "4"
    & skf21("2","2","5","2","1","5","4","1") = "4"
    & skf21("2","2","5","2","1","5","5","1") = "4"
    & skf21("2","2","5","2","1","5","6","1") = "5"
    & skf21("2","2","5","2","1","5","7","1") = "6"
    & skf21("2","2","5","2","1","6","1","1") = "5"
    & skf21("2","2","5","2","1","6","2","1") = "5"
    & skf21("2","2","5","2","1","6","3","1") = "5"
    & skf21("2","2","5","2","1","6","4","1") = "5"
    & skf21("2","2","5","2","1","6","5","1") = "5"
    & skf21("2","2","5","2","1","6","6","1") = "5"
    & skf21("2","2","5","2","1","6","7","1") = "6"
    & skf21("2","2","5","2","1","7","1","1") = "6"
    & skf21("2","2","5","2","1","7","2","1") = "6"
    & skf21("2","2","5","2","1","7","3","1") = "6"
    & skf21("2","2","5","2","1","7","4","1") = "6"
    & skf21("2","2","5","2","1","7","5","1") = "6"
    & skf21("2","2","5","2","1","7","6","1") = "6"
    & skf21("2","2","5","2","1","7","7","1") = "6"
    & skf21("2","2","5","2","2","1","1","1") = "4"
    & skf21("2","2","5","2","2","1","2","1") = "4"
    & skf21("2","2","5","2","2","1","3","1") = "4"
    & skf21("2","2","5","2","2","1","4","1") = "4"
    & skf21("2","2","5","2","2","1","5","1") = "4"
    & skf21("2","2","5","2","2","1","6","1") = "5"
    & skf21("2","2","5","2","2","1","7","1") = "6"
    & skf21("2","2","5","2","2","2","1","1") = "4"
    & skf21("2","2","5","2","2","2","2","1") = "4"
    & skf21("2","2","5","2","2","2","3","1") = "4"
    & skf21("2","2","5","2","2","2","4","1") = "4"
    & skf21("2","2","5","2","2","2","5","1") = "4"
    & skf21("2","2","5","2","2","2","6","1") = "5"
    & skf21("2","2","5","2","2","2","7","1") = "6"
    & skf21("2","2","5","2","2","3","1","1") = "4"
    & skf21("2","2","5","2","2","3","2","1") = "4"
    & skf21("2","2","5","2","2","3","3","1") = "4"
    & skf21("2","2","5","2","2","3","4","1") = "4"
    & skf21("2","2","5","2","2","3","5","1") = "4"
    & skf21("2","2","5","2","2","3","6","1") = "5"
    & skf21("2","2","5","2","2","3","7","1") = "6"
    & skf21("2","2","5","2","2","4","1","1") = "4"
    & skf21("2","2","5","2","2","4","2","1") = "4"
    & skf21("2","2","5","2","2","4","3","1") = "4"
    & skf21("2","2","5","2","2","4","4","1") = "4"
    & skf21("2","2","5","2","2","4","5","1") = "4"
    & skf21("2","2","5","2","2","4","6","1") = "5"
    & skf21("2","2","5","2","2","4","7","1") = "6"
    & skf21("2","2","5","2","2","5","1","1") = "4"
    & skf21("2","2","5","2","2","5","2","1") = "4"
    & skf21("2","2","5","2","2","5","3","1") = "4"
    & skf21("2","2","5","2","2","5","4","1") = "4"
    & skf21("2","2","5","2","2","5","5","1") = "4"
    & skf21("2","2","5","2","2","5","6","1") = "5"
    & skf21("2","2","5","2","2","5","7","1") = "6"
    & skf21("2","2","5","2","2","6","1","1") = "5"
    & skf21("2","2","5","2","2","6","2","1") = "5"
    & skf21("2","2","5","2","2","6","3","1") = "5"
    & skf21("2","2","5","2","2","6","4","1") = "5"
    & skf21("2","2","5","2","2","6","5","1") = "5"
    & skf21("2","2","5","2","2","6","6","1") = "5"
    & skf21("2","2","5","2","2","6","7","1") = "6"
    & skf21("2","2","5","2","2","7","1","1") = "6"
    & skf21("2","2","5","2","2","7","2","1") = "6"
    & skf21("2","2","5","2","2","7","3","1") = "6"
    & skf21("2","2","5","2","2","7","4","1") = "6"
    & skf21("2","2","5","2","2","7","5","1") = "6"
    & skf21("2","2","5","2","2","7","6","1") = "6"
    & skf21("2","2","5","2","2","7","7","1") = "6"
    & skf21("2","2","5","2","3","1","1","1") = "4"
    & skf21("2","2","5","2","3","1","2","1") = "4"
    & skf21("2","2","5","2","3","1","3","1") = "4"
    & skf21("2","2","5","2","3","1","4","1") = "4"
    & skf21("2","2","5","2","3","1","5","1") = "4"
    & skf21("2","2","5","2","3","1","6","1") = "5"
    & skf21("2","2","5","2","3","1","7","1") = "6"
    & skf21("2","2","5","2","3","2","1","1") = "4"
    & skf21("2","2","5","2","3","2","2","1") = "4"
    & skf21("2","2","5","2","3","2","3","1") = "4"
    & skf21("2","2","5","2","3","2","4","1") = "4"
    & skf21("2","2","5","2","3","2","5","1") = "4"
    & skf21("2","2","5","2","3","2","6","1") = "5"
    & skf21("2","2","5","2","3","2","7","1") = "6"
    & skf21("2","2","5","2","3","3","1","1") = "4"
    & skf21("2","2","5","2","3","3","2","1") = "4"
    & skf21("2","2","5","2","3","3","3","1") = "4"
    & skf21("2","2","5","2","3","3","4","1") = "4"
    & skf21("2","2","5","2","3","3","5","1") = "4"
    & skf21("2","2","5","2","3","3","6","1") = "5"
    & skf21("2","2","5","2","3","3","7","1") = "6"
    & skf21("2","2","5","2","3","4","1","1") = "4"
    & skf21("2","2","5","2","3","4","2","1") = "4"
    & skf21("2","2","5","2","3","4","3","1") = "4"
    & skf21("2","2","5","2","3","4","4","1") = "4"
    & skf21("2","2","5","2","3","4","5","1") = "4"
    & skf21("2","2","5","2","3","4","6","1") = "5"
    & skf21("2","2","5","2","3","4","7","1") = "6"
    & skf21("2","2","5","2","3","5","1","1") = "4"
    & skf21("2","2","5","2","3","5","2","1") = "4"
    & skf21("2","2","5","2","3","5","3","1") = "4"
    & skf21("2","2","5","2","3","5","4","1") = "4"
    & skf21("2","2","5","2","3","5","5","1") = "4"
    & skf21("2","2","5","2","3","5","6","1") = "5"
    & skf21("2","2","5","2","3","5","7","1") = "6"
    & skf21("2","2","5","2","3","6","1","1") = "5"
    & skf21("2","2","5","2","3","6","2","1") = "5"
    & skf21("2","2","5","2","3","6","3","1") = "5"
    & skf21("2","2","5","2","3","6","4","1") = "5"
    & skf21("2","2","5","2","3","6","5","1") = "5"
    & skf21("2","2","5","2","3","6","6","1") = "5"
    & skf21("2","2","5","2","3","6","7","1") = "6"
    & skf21("2","2","5","2","3","7","1","1") = "6"
    & skf21("2","2","5","2","3","7","2","1") = "6"
    & skf21("2","2","5","2","3","7","3","1") = "6"
    & skf21("2","2","5","2","3","7","4","1") = "6"
    & skf21("2","2","5","2","3","7","5","1") = "6"
    & skf21("2","2","5","2","3","7","6","1") = "6"
    & skf21("2","2","5","2","3","7","7","1") = "6"
    & skf21("2","2","5","2","4","1","1","1") = "4"
    & skf21("2","2","5","2","4","1","2","1") = "4"
    & skf21("2","2","5","2","4","1","3","1") = "4"
    & skf21("2","2","5","2","4","1","4","1") = "4"
    & skf21("2","2","5","2","4","1","5","1") = "4"
    & skf21("2","2","5","2","4","1","6","1") = "5"
    & skf21("2","2","5","2","4","1","7","1") = "6"
    & skf21("2","2","5","2","4","2","1","1") = "4"
    & skf21("2","2","5","2","4","2","2","1") = "4"
    & skf21("2","2","5","2","4","2","3","1") = "4"
    & skf21("2","2","5","2","4","2","4","1") = "4"
    & skf21("2","2","5","2","4","2","5","1") = "4"
    & skf21("2","2","5","2","4","2","6","1") = "5"
    & skf21("2","2","5","2","4","2","7","1") = "6"
    & skf21("2","2","5","2","4","3","1","1") = "4"
    & skf21("2","2","5","2","4","3","2","1") = "4"
    & skf21("2","2","5","2","4","3","3","1") = "4"
    & skf21("2","2","5","2","4","3","4","1") = "4"
    & skf21("2","2","5","2","4","3","5","1") = "4"
    & skf21("2","2","5","2","4","3","6","1") = "5"
    & skf21("2","2","5","2","4","3","7","1") = "6"
    & skf21("2","2","5","2","4","4","1","1") = "4"
    & skf21("2","2","5","2","4","4","2","1") = "4"
    & skf21("2","2","5","2","4","4","3","1") = "4"
    & skf21("2","2","5","2","4","4","4","1") = "4"
    & skf21("2","2","5","2","4","4","5","1") = "4"
    & skf21("2","2","5","2","4","4","6","1") = "5"
    & skf21("2","2","5","2","4","4","7","1") = "6"
    & skf21("2","2","5","2","4","5","1","1") = "4"
    & skf21("2","2","5","2","4","5","2","1") = "4"
    & skf21("2","2","5","2","4","5","3","1") = "4"
    & skf21("2","2","5","2","4","5","4","1") = "4"
    & skf21("2","2","5","2","4","5","5","1") = "4"
    & skf21("2","2","5","2","4","5","6","1") = "5"
    & skf21("2","2","5","2","4","5","7","1") = "6"
    & skf21("2","2","5","2","4","6","1","1") = "5"
    & skf21("2","2","5","2","4","6","2","1") = "5"
    & skf21("2","2","5","2","4","6","3","1") = "5"
    & skf21("2","2","5","2","4","6","4","1") = "5"
    & skf21("2","2","5","2","4","6","5","1") = "5"
    & skf21("2","2","5","2","4","6","6","1") = "5"
    & skf21("2","2","5","2","4","6","7","1") = "6"
    & skf21("2","2","5","2","4","7","1","1") = "6"
    & skf21("2","2","5","2","4","7","2","1") = "6"
    & skf21("2","2","5","2","4","7","3","1") = "6"
    & skf21("2","2","5","2","4","7","4","1") = "6"
    & skf21("2","2","5","2","4","7","5","1") = "6"
    & skf21("2","2","5","2","4","7","6","1") = "6"
    & skf21("2","2","5","2","4","7","7","1") = "6"
    & skf21("2","2","5","2","5","1","1","1") = "4"
    & skf21("2","2","5","2","5","1","2","1") = "4"
    & skf21("2","2","5","2","5","1","3","1") = "4"
    & skf21("2","2","5","2","5","1","4","1") = "4"
    & skf21("2","2","5","2","5","1","5","1") = "4"
    & skf21("2","2","5","2","5","1","6","1") = "5"
    & skf21("2","2","5","2","5","1","7","1") = "6"
    & skf21("2","2","5","2","5","2","1","1") = "4"
    & skf21("2","2","5","2","5","2","2","1") = "4"
    & skf21("2","2","5","2","5","2","3","1") = "4"
    & skf21("2","2","5","2","5","2","4","1") = "4"
    & skf21("2","2","5","2","5","2","5","1") = "4"
    & skf21("2","2","5","2","5","2","6","1") = "5"
    & skf21("2","2","5","2","5","2","7","1") = "6"
    & skf21("2","2","5","2","5","3","1","1") = "4"
    & skf21("2","2","5","2","5","3","2","1") = "4"
    & skf21("2","2","5","2","5","3","3","1") = "4"
    & skf21("2","2","5","2","5","3","4","1") = "4"
    & skf21("2","2","5","2","5","3","5","1") = "4"
    & skf21("2","2","5","2","5","3","6","1") = "5"
    & skf21("2","2","5","2","5","3","7","1") = "6"
    & skf21("2","2","5","2","5","4","1","1") = "4"
    & skf21("2","2","5","2","5","4","2","1") = "4"
    & skf21("2","2","5","2","5","4","3","1") = "4"
    & skf21("2","2","5","2","5","4","4","1") = "4"
    & skf21("2","2","5","2","5","4","5","1") = "4"
    & skf21("2","2","5","2","5","4","6","1") = "5"
    & skf21("2","2","5","2","5","4","7","1") = "6"
    & skf21("2","2","5","2","5","5","1","1") = "4"
    & skf21("2","2","5","2","5","5","2","1") = "4"
    & skf21("2","2","5","2","5","5","3","1") = "4"
    & skf21("2","2","5","2","5","5","4","1") = "4"
    & skf21("2","2","5","2","5","5","5","1") = "4"
    & skf21("2","2","5","2","5","5","6","1") = "5"
    & skf21("2","2","5","2","5","5","7","1") = "6"
    & skf21("2","2","5","2","5","6","1","1") = "5"
    & skf21("2","2","5","2","5","6","2","1") = "5"
    & skf21("2","2","5","2","5","6","3","1") = "5"
    & skf21("2","2","5","2","5","6","4","1") = "5"
    & skf21("2","2","5","2","5","6","5","1") = "5"
    & skf21("2","2","5","2","5","6","6","1") = "5"
    & skf21("2","2","5","2","5","6","7","1") = "6"
    & skf21("2","2","5","2","5","7","1","1") = "6"
    & skf21("2","2","5","2","5","7","2","1") = "6"
    & skf21("2","2","5","2","5","7","3","1") = "6"
    & skf21("2","2","5","2","5","7","4","1") = "6"
    & skf21("2","2","5","2","5","7","5","1") = "6"
    & skf21("2","2","5","2","5","7","6","1") = "6"
    & skf21("2","2","5","2","5","7","7","1") = "6"
    & skf21("2","2","5","2","6","1","1","1") = "5"
    & skf21("2","2","5","2","6","1","2","1") = "5"
    & skf21("2","2","5","2","6","1","3","1") = "5"
    & skf21("2","2","5","2","6","1","4","1") = "5"
    & skf21("2","2","5","2","6","1","5","1") = "5"
    & skf21("2","2","5","2","6","1","6","1") = "5"
    & skf21("2","2","5","2","6","1","7","1") = "6"
    & skf21("2","2","5","2","6","2","1","1") = "5"
    & skf21("2","2","5","2","6","2","2","1") = "5"
    & skf21("2","2","5","2","6","2","3","1") = "5"
    & skf21("2","2","5","2","6","2","4","1") = "5"
    & skf21("2","2","5","2","6","2","5","1") = "5"
    & skf21("2","2","5","2","6","2","6","1") = "5"
    & skf21("2","2","5","2","6","2","7","1") = "6"
    & skf21("2","2","5","2","6","3","1","1") = "5"
    & skf21("2","2","5","2","6","3","2","1") = "5"
    & skf21("2","2","5","2","6","3","3","1") = "5"
    & skf21("2","2","5","2","6","3","4","1") = "5"
    & skf21("2","2","5","2","6","3","5","1") = "5"
    & skf21("2","2","5","2","6","3","6","1") = "5"
    & skf21("2","2","5","2","6","3","7","1") = "6"
    & skf21("2","2","5","2","6","4","1","1") = "5"
    & skf21("2","2","5","2","6","4","2","1") = "5"
    & skf21("2","2","5","2","6","4","3","1") = "5"
    & skf21("2","2","5","2","6","4","4","1") = "5"
    & skf21("2","2","5","2","6","4","5","1") = "5"
    & skf21("2","2","5","2","6","4","6","1") = "5"
    & skf21("2","2","5","2","6","4","7","1") = "6"
    & skf21("2","2","5","2","6","5","1","1") = "5"
    & skf21("2","2","5","2","6","5","2","1") = "5"
    & skf21("2","2","5","2","6","5","3","1") = "5"
    & skf21("2","2","5","2","6","5","4","1") = "5"
    & skf21("2","2","5","2","6","5","5","1") = "5"
    & skf21("2","2","5","2","6","5","6","1") = "5"
    & skf21("2","2","5","2","6","5","7","1") = "6"
    & skf21("2","2","5","2","6","6","1","1") = "5"
    & skf21("2","2","5","2","6","6","2","1") = "5"
    & skf21("2","2","5","2","6","6","3","1") = "5"
    & skf21("2","2","5","2","6","6","4","1") = "5"
    & skf21("2","2","5","2","6","6","5","1") = "5"
    & skf21("2","2","5","2","6","6","6","1") = "5"
    & skf21("2","2","5","2","6","6","7","1") = "6"
    & skf21("2","2","5","2","6","7","1","1") = "6"
    & skf21("2","2","5","2","6","7","2","1") = "6"
    & skf21("2","2","5","2","6","7","3","1") = "6"
    & skf21("2","2","5","2","6","7","4","1") = "6"
    & skf21("2","2","5","2","6","7","5","1") = "6"
    & skf21("2","2","5","2","6","7","6","1") = "6"
    & skf21("2","2","5","2","6","7","7","1") = "6"
    & skf21("2","2","5","2","7","1","1","1") = "6"
    & skf21("2","2","5","2","7","1","2","1") = "6"
    & skf21("2","2","5","2","7","1","3","1") = "6"
    & skf21("2","2","5","2","7","1","4","1") = "6"
    & skf21("2","2","5","2","7","1","5","1") = "6"
    & skf21("2","2","5","2","7","1","6","1") = "6"
    & skf21("2","2","5","2","7","1","7","1") = "6"
    & skf21("2","2","5","2","7","2","1","1") = "6"
    & skf21("2","2","5","2","7","2","2","1") = "6"
    & skf21("2","2","5","2","7","2","3","1") = "6"
    & skf21("2","2","5","2","7","2","4","1") = "6"
    & skf21("2","2","5","2","7","2","5","1") = "6"
    & skf21("2","2","5","2","7","2","6","1") = "6"
    & skf21("2","2","5","2","7","2","7","1") = "6"
    & skf21("2","2","5","2","7","3","1","1") = "6"
    & skf21("2","2","5","2","7","3","2","1") = "6"
    & skf21("2","2","5","2","7","3","3","1") = "6"
    & skf21("2","2","5","2","7","3","4","1") = "6"
    & skf21("2","2","5","2","7","3","5","1") = "6"
    & skf21("2","2","5","2","7","3","6","1") = "6"
    & skf21("2","2","5","2","7","3","7","1") = "6"
    & skf21("2","2","5","2","7","4","1","1") = "6"
    & skf21("2","2","5","2","7","4","2","1") = "6"
    & skf21("2","2","5","2","7","4","3","1") = "6"
    & skf21("2","2","5","2","7","4","4","1") = "6"
    & skf21("2","2","5","2","7","4","5","1") = "6"
    & skf21("2","2","5","2","7","4","6","1") = "6"
    & skf21("2","2","5","2","7","4","7","1") = "6"
    & skf21("2","2","5","2","7","5","1","1") = "6"
    & skf21("2","2","5","2","7","5","2","1") = "6"
    & skf21("2","2","5","2","7","5","3","1") = "6"
    & skf21("2","2","5","2","7","5","4","1") = "6"
    & skf21("2","2","5","2","7","5","5","1") = "6"
    & skf21("2","2","5","2","7","5","6","1") = "6"
    & skf21("2","2","5","2","7","5","7","1") = "6"
    & skf21("2","2","5","2","7","6","1","1") = "6"
    & skf21("2","2","5","2","7","6","2","1") = "6"
    & skf21("2","2","5","2","7","6","3","1") = "6"
    & skf21("2","2","5","2","7","6","4","1") = "6"
    & skf21("2","2","5","2","7","6","5","1") = "6"
    & skf21("2","2","5","2","7","6","6","1") = "6"
    & skf21("2","2","5","2","7","6","7","1") = "6"
    & skf21("2","2","5","2","7","7","1","1") = "6"
    & skf21("2","2","5","2","7","7","2","1") = "6"
    & skf21("2","2","5","2","7","7","3","1") = "6"
    & skf21("2","2","5","2","7","7","4","1") = "6"
    & skf21("2","2","5","2","7","7","5","1") = "6"
    & skf21("2","2","5","2","7","7","6","1") = "6"
    & skf21("2","2","5","2","7","7","7","1") = "6"
    & skf21("2","2","5","3","1","1","1","1") = "4"
    & skf21("2","2","5","3","1","1","2","1") = "4"
    & skf21("2","2","5","3","1","1","3","1") = "4"
    & skf21("2","2","5","3","1","1","4","1") = "4"
    & skf21("2","2","5","3","1","1","5","1") = "4"
    & skf21("2","2","5","3","1","1","6","1") = "5"
    & skf21("2","2","5","3","1","1","7","1") = "6"
    & skf21("2","2","5","3","1","2","1","1") = "4"
    & skf21("2","2","5","3","1","2","2","1") = "4"
    & skf21("2","2","5","3","1","2","3","1") = "4"
    & skf21("2","2","5","3","1","2","4","1") = "4"
    & skf21("2","2","5","3","1","2","5","1") = "4"
    & skf21("2","2","5","3","1","2","6","1") = "5"
    & skf21("2","2","5","3","1","2","7","1") = "6"
    & skf21("2","2","5","3","1","3","1","1") = "4"
    & skf21("2","2","5","3","1","3","2","1") = "4"
    & skf21("2","2","5","3","1","3","3","1") = "4"
    & skf21("2","2","5","3","1","3","4","1") = "4"
    & skf21("2","2","5","3","1","3","5","1") = "4"
    & skf21("2","2","5","3","1","3","6","1") = "5"
    & skf21("2","2","5","3","1","3","7","1") = "6"
    & skf21("2","2","5","3","1","4","1","1") = "4"
    & skf21("2","2","5","3","1","4","2","1") = "4"
    & skf21("2","2","5","3","1","4","3","1") = "4"
    & skf21("2","2","5","3","1","4","4","1") = "4"
    & skf21("2","2","5","3","1","4","5","1") = "4"
    & skf21("2","2","5","3","1","4","6","1") = "5"
    & skf21("2","2","5","3","1","4","7","1") = "6"
    & skf21("2","2","5","3","1","5","1","1") = "4"
    & skf21("2","2","5","3","1","5","2","1") = "4"
    & skf21("2","2","5","3","1","5","3","1") = "4"
    & skf21("2","2","5","3","1","5","4","1") = "4"
    & skf21("2","2","5","3","1","5","5","1") = "4"
    & skf21("2","2","5","3","1","5","6","1") = "5"
    & skf21("2","2","5","3","1","5","7","1") = "6"
    & skf21("2","2","5","3","1","6","1","1") = "5"
    & skf21("2","2","5","3","1","6","2","1") = "5"
    & skf21("2","2","5","3","1","6","3","1") = "5"
    & skf21("2","2","5","3","1","6","4","1") = "5"
    & skf21("2","2","5","3","1","6","5","1") = "5"
    & skf21("2","2","5","3","1","6","6","1") = "5"
    & skf21("2","2","5","3","1","6","7","1") = "6"
    & skf21("2","2","5","3","1","7","1","1") = "6"
    & skf21("2","2","5","3","1","7","2","1") = "6"
    & skf21("2","2","5","3","1","7","3","1") = "6"
    & skf21("2","2","5","3","1","7","4","1") = "6"
    & skf21("2","2","5","3","1","7","5","1") = "6"
    & skf21("2","2","5","3","1","7","6","1") = "6"
    & skf21("2","2","5","3","1","7","7","1") = "6"
    & skf21("2","2","5","3","2","1","1","1") = "4"
    & skf21("2","2","5","3","2","1","2","1") = "4"
    & skf21("2","2","5","3","2","1","3","1") = "4"
    & skf21("2","2","5","3","2","1","4","1") = "4"
    & skf21("2","2","5","3","2","1","5","1") = "4"
    & skf21("2","2","5","3","2","1","6","1") = "5"
    & skf21("2","2","5","3","2","1","7","1") = "6"
    & skf21("2","2","5","3","2","2","1","1") = "4"
    & skf21("2","2","5","3","2","2","2","1") = "4"
    & skf21("2","2","5","3","2","2","3","1") = "4"
    & skf21("2","2","5","3","2","2","4","1") = "4"
    & skf21("2","2","5","3","2","2","5","1") = "4"
    & skf21("2","2","5","3","2","2","6","1") = "5"
    & skf21("2","2","5","3","2","2","7","1") = "6"
    & skf21("2","2","5","3","2","3","1","1") = "4"
    & skf21("2","2","5","3","2","3","2","1") = "4"
    & skf21("2","2","5","3","2","3","3","1") = "4"
    & skf21("2","2","5","3","2","3","4","1") = "4"
    & skf21("2","2","5","3","2","3","5","1") = "4"
    & skf21("2","2","5","3","2","3","6","1") = "5"
    & skf21("2","2","5","3","2","3","7","1") = "6"
    & skf21("2","2","5","3","2","4","1","1") = "4"
    & skf21("2","2","5","3","2","4","2","1") = "4"
    & skf21("2","2","5","3","2","4","3","1") = "4"
    & skf21("2","2","5","3","2","4","4","1") = "4"
    & skf21("2","2","5","3","2","4","5","1") = "4"
    & skf21("2","2","5","3","2","4","6","1") = "5"
    & skf21("2","2","5","3","2","4","7","1") = "6"
    & skf21("2","2","5","3","2","5","1","1") = "4"
    & skf21("2","2","5","3","2","5","2","1") = "4"
    & skf21("2","2","5","3","2","5","3","1") = "4"
    & skf21("2","2","5","3","2","5","4","1") = "4"
    & skf21("2","2","5","3","2","5","5","1") = "4"
    & skf21("2","2","5","3","2","5","6","1") = "5"
    & skf21("2","2","5","3","2","5","7","1") = "6"
    & skf21("2","2","5","3","2","6","1","1") = "5"
    & skf21("2","2","5","3","2","6","2","1") = "5"
    & skf21("2","2","5","3","2","6","3","1") = "5"
    & skf21("2","2","5","3","2","6","4","1") = "5"
    & skf21("2","2","5","3","2","6","5","1") = "5"
    & skf21("2","2","5","3","2","6","6","1") = "5"
    & skf21("2","2","5","3","2","6","7","1") = "6"
    & skf21("2","2","5","3","2","7","1","1") = "6"
    & skf21("2","2","5","3","2","7","2","1") = "6"
    & skf21("2","2","5","3","2","7","3","1") = "6"
    & skf21("2","2","5","3","2","7","4","1") = "6"
    & skf21("2","2","5","3","2","7","5","1") = "6"
    & skf21("2","2","5","3","2","7","6","1") = "6"
    & skf21("2","2","5","3","2","7","7","1") = "6"
    & skf21("2","2","5","3","3","1","1","1") = "4"
    & skf21("2","2","5","3","3","1","2","1") = "4"
    & skf21("2","2","5","3","3","1","3","1") = "4"
    & skf21("2","2","5","3","3","1","4","1") = "4"
    & skf21("2","2","5","3","3","1","5","1") = "4"
    & skf21("2","2","5","3","3","1","6","1") = "5"
    & skf21("2","2","5","3","3","1","7","1") = "6"
    & skf21("2","2","5","3","3","2","1","1") = "4"
    & skf21("2","2","5","3","3","2","2","1") = "4"
    & skf21("2","2","5","3","3","2","3","1") = "4"
    & skf21("2","2","5","3","3","2","4","1") = "4"
    & skf21("2","2","5","3","3","2","5","1") = "4"
    & skf21("2","2","5","3","3","2","6","1") = "5"
    & skf21("2","2","5","3","3","2","7","1") = "6"
    & skf21("2","2","5","3","3","3","1","1") = "4"
    & skf21("2","2","5","3","3","3","2","1") = "4"
    & skf21("2","2","5","3","3","3","3","1") = "4"
    & skf21("2","2","5","3","3","3","4","1") = "4"
    & skf21("2","2","5","3","3","3","5","1") = "4"
    & skf21("2","2","5","3","3","3","6","1") = "5"
    & skf21("2","2","5","3","3","3","7","1") = "6"
    & skf21("2","2","5","3","3","4","1","1") = "4"
    & skf21("2","2","5","3","3","4","2","1") = "4"
    & skf21("2","2","5","3","3","4","3","1") = "4"
    & skf21("2","2","5","3","3","4","4","1") = "4"
    & skf21("2","2","5","3","3","4","5","1") = "4"
    & skf21("2","2","5","3","3","4","6","1") = "5"
    & skf21("2","2","5","3","3","4","7","1") = "6"
    & skf21("2","2","5","3","3","5","1","1") = "4"
    & skf21("2","2","5","3","3","5","2","1") = "4"
    & skf21("2","2","5","3","3","5","3","1") = "4"
    & skf21("2","2","5","3","3","5","4","1") = "4"
    & skf21("2","2","5","3","3","5","5","1") = "4"
    & skf21("2","2","5","3","3","5","6","1") = "5"
    & skf21("2","2","5","3","3","5","7","1") = "6"
    & skf21("2","2","5","3","3","6","1","1") = "5"
    & skf21("2","2","5","3","3","6","2","1") = "5"
    & skf21("2","2","5","3","3","6","3","1") = "5"
    & skf21("2","2","5","3","3","6","4","1") = "5"
    & skf21("2","2","5","3","3","6","5","1") = "5"
    & skf21("2","2","5","3","3","6","6","1") = "5"
    & skf21("2","2","5","3","3","6","7","1") = "6"
    & skf21("2","2","5","3","3","7","1","1") = "6"
    & skf21("2","2","5","3","3","7","2","1") = "6"
    & skf21("2","2","5","3","3","7","3","1") = "6"
    & skf21("2","2","5","3","3","7","4","1") = "6"
    & skf21("2","2","5","3","3","7","5","1") = "6"
    & skf21("2","2","5","3","3","7","6","1") = "6"
    & skf21("2","2","5","3","3","7","7","1") = "6"
    & skf21("2","2","5","3","4","1","1","1") = "4"
    & skf21("2","2","5","3","4","1","2","1") = "4"
    & skf21("2","2","5","3","4","1","3","1") = "4"
    & skf21("2","2","5","3","4","1","4","1") = "4"
    & skf21("2","2","5","3","4","1","5","1") = "4"
    & skf21("2","2","5","3","4","1","6","1") = "5"
    & skf21("2","2","5","3","4","1","7","1") = "6"
    & skf21("2","2","5","3","4","2","1","1") = "4"
    & skf21("2","2","5","3","4","2","2","1") = "4"
    & skf21("2","2","5","3","4","2","3","1") = "4"
    & skf21("2","2","5","3","4","2","4","1") = "4"
    & skf21("2","2","5","3","4","2","5","1") = "4"
    & skf21("2","2","5","3","4","2","6","1") = "5"
    & skf21("2","2","5","3","4","2","7","1") = "6"
    & skf21("2","2","5","3","4","3","1","1") = "4"
    & skf21("2","2","5","3","4","3","2","1") = "4"
    & skf21("2","2","5","3","4","3","3","1") = "4"
    & skf21("2","2","5","3","4","3","4","1") = "4"
    & skf21("2","2","5","3","4","3","5","1") = "4"
    & skf21("2","2","5","3","4","3","6","1") = "5"
    & skf21("2","2","5","3","4","3","7","1") = "6"
    & skf21("2","2","5","3","4","4","1","1") = "4"
    & skf21("2","2","5","3","4","4","2","1") = "4"
    & skf21("2","2","5","3","4","4","3","1") = "4"
    & skf21("2","2","5","3","4","4","4","1") = "4"
    & skf21("2","2","5","3","4","4","5","1") = "4"
    & skf21("2","2","5","3","4","4","6","1") = "5"
    & skf21("2","2","5","3","4","4","7","1") = "6"
    & skf21("2","2","5","3","4","5","1","1") = "4"
    & skf21("2","2","5","3","4","5","2","1") = "4"
    & skf21("2","2","5","3","4","5","3","1") = "4"
    & skf21("2","2","5","3","4","5","4","1") = "4"
    & skf21("2","2","5","3","4","5","5","1") = "4"
    & skf21("2","2","5","3","4","5","6","1") = "5"
    & skf21("2","2","5","3","4","5","7","1") = "6"
    & skf21("2","2","5","3","4","6","1","1") = "5"
    & skf21("2","2","5","3","4","6","2","1") = "5"
    & skf21("2","2","5","3","4","6","3","1") = "5"
    & skf21("2","2","5","3","4","6","4","1") = "5"
    & skf21("2","2","5","3","4","6","5","1") = "5"
    & skf21("2","2","5","3","4","6","6","1") = "5"
    & skf21("2","2","5","3","4","6","7","1") = "6"
    & skf21("2","2","5","3","4","7","1","1") = "6"
    & skf21("2","2","5","3","4","7","2","1") = "6"
    & skf21("2","2","5","3","4","7","3","1") = "6"
    & skf21("2","2","5","3","4","7","4","1") = "6"
    & skf21("2","2","5","3","4","7","5","1") = "6"
    & skf21("2","2","5","3","4","7","6","1") = "6"
    & skf21("2","2","5","3","4","7","7","1") = "6"
    & skf21("2","2","5","3","5","1","1","1") = "4"
    & skf21("2","2","5","3","5","1","2","1") = "4"
    & skf21("2","2","5","3","5","1","3","1") = "4"
    & skf21("2","2","5","3","5","1","4","1") = "4"
    & skf21("2","2","5","3","5","1","5","1") = "4"
    & skf21("2","2","5","3","5","1","6","1") = "5"
    & skf21("2","2","5","3","5","1","7","1") = "6"
    & skf21("2","2","5","3","5","2","1","1") = "4"
    & skf21("2","2","5","3","5","2","2","1") = "4"
    & skf21("2","2","5","3","5","2","3","1") = "4"
    & skf21("2","2","5","3","5","2","4","1") = "4"
    & skf21("2","2","5","3","5","2","5","1") = "4"
    & skf21("2","2","5","3","5","2","6","1") = "5"
    & skf21("2","2","5","3","5","2","7","1") = "6"
    & skf21("2","2","5","3","5","3","1","1") = "4"
    & skf21("2","2","5","3","5","3","2","1") = "4"
    & skf21("2","2","5","3","5","3","3","1") = "4"
    & skf21("2","2","5","3","5","3","4","1") = "4"
    & skf21("2","2","5","3","5","3","5","1") = "4"
    & skf21("2","2","5","3","5","3","6","1") = "5"
    & skf21("2","2","5","3","5","3","7","1") = "6"
    & skf21("2","2","5","3","5","4","1","1") = "4"
    & skf21("2","2","5","3","5","4","2","1") = "4"
    & skf21("2","2","5","3","5","4","3","1") = "4"
    & skf21("2","2","5","3","5","4","4","1") = "4"
    & skf21("2","2","5","3","5","4","5","1") = "4"
    & skf21("2","2","5","3","5","4","6","1") = "5"
    & skf21("2","2","5","3","5","4","7","1") = "6"
    & skf21("2","2","5","3","5","5","1","1") = "4"
    & skf21("2","2","5","3","5","5","2","1") = "4"
    & skf21("2","2","5","3","5","5","3","1") = "4"
    & skf21("2","2","5","3","5","5","4","1") = "4"
    & skf21("2","2","5","3","5","5","5","1") = "4"
    & skf21("2","2","5","3","5","5","6","1") = "5"
    & skf21("2","2","5","3","5","5","7","1") = "6"
    & skf21("2","2","5","3","5","6","1","1") = "5"
    & skf21("2","2","5","3","5","6","2","1") = "5"
    & skf21("2","2","5","3","5","6","3","1") = "5"
    & skf21("2","2","5","3","5","6","4","1") = "5"
    & skf21("2","2","5","3","5","6","5","1") = "5"
    & skf21("2","2","5","3","5","6","6","1") = "5"
    & skf21("2","2","5","3","5","6","7","1") = "6"
    & skf21("2","2","5","3","5","7","1","1") = "6"
    & skf21("2","2","5","3","5","7","2","1") = "6"
    & skf21("2","2","5","3","5","7","3","1") = "6"
    & skf21("2","2","5","3","5","7","4","1") = "6"
    & skf21("2","2","5","3","5","7","5","1") = "6"
    & skf21("2","2","5","3","5","7","6","1") = "6"
    & skf21("2","2","5","3","5","7","7","1") = "6"
    & skf21("2","2","5","3","6","1","1","1") = "5"
    & skf21("2","2","5","3","6","1","2","1") = "5"
    & skf21("2","2","5","3","6","1","3","1") = "5"
    & skf21("2","2","5","3","6","1","4","1") = "5"
    & skf21("2","2","5","3","6","1","5","1") = "5"
    & skf21("2","2","5","3","6","1","6","1") = "5"
    & skf21("2","2","5","3","6","1","7","1") = "6"
    & skf21("2","2","5","3","6","2","1","1") = "5"
    & skf21("2","2","5","3","6","2","2","1") = "5"
    & skf21("2","2","5","3","6","2","3","1") = "5"
    & skf21("2","2","5","3","6","2","4","1") = "5"
    & skf21("2","2","5","3","6","2","5","1") = "5"
    & skf21("2","2","5","3","6","2","6","1") = "5"
    & skf21("2","2","5","3","6","2","7","1") = "6"
    & skf21("2","2","5","3","6","3","1","1") = "5"
    & skf21("2","2","5","3","6","3","2","1") = "5"
    & skf21("2","2","5","3","6","3","3","1") = "5"
    & skf21("2","2","5","3","6","3","4","1") = "5"
    & skf21("2","2","5","3","6","3","5","1") = "5"
    & skf21("2","2","5","3","6","3","6","1") = "5"
    & skf21("2","2","5","3","6","3","7","1") = "6"
    & skf21("2","2","5","3","6","4","1","1") = "5"
    & skf21("2","2","5","3","6","4","2","1") = "5"
    & skf21("2","2","5","3","6","4","3","1") = "5"
    & skf21("2","2","5","3","6","4","4","1") = "5"
    & skf21("2","2","5","3","6","4","5","1") = "5"
    & skf21("2","2","5","3","6","4","6","1") = "5"
    & skf21("2","2","5","3","6","4","7","1") = "6"
    & skf21("2","2","5","3","6","5","1","1") = "5"
    & skf21("2","2","5","3","6","5","2","1") = "5"
    & skf21("2","2","5","3","6","5","3","1") = "5"
    & skf21("2","2","5","3","6","5","4","1") = "5"
    & skf21("2","2","5","3","6","5","5","1") = "5"
    & skf21("2","2","5","3","6","5","6","1") = "5"
    & skf21("2","2","5","3","6","5","7","1") = "6"
    & skf21("2","2","5","3","6","6","1","1") = "5"
    & skf21("2","2","5","3","6","6","2","1") = "5"
    & skf21("2","2","5","3","6","6","3","1") = "5"
    & skf21("2","2","5","3","6","6","4","1") = "5"
    & skf21("2","2","5","3","6","6","5","1") = "5"
    & skf21("2","2","5","3","6","6","6","1") = "5"
    & skf21("2","2","5","3","6","6","7","1") = "6"
    & skf21("2","2","5","3","6","7","1","1") = "6"
    & skf21("2","2","5","3","6","7","2","1") = "6"
    & skf21("2","2","5","3","6","7","3","1") = "6"
    & skf21("2","2","5","3","6","7","4","1") = "6"
    & skf21("2","2","5","3","6","7","5","1") = "6"
    & skf21("2","2","5","3","6","7","6","1") = "6"
    & skf21("2","2","5","3","6","7","7","1") = "6"
    & skf21("2","2","5","3","7","1","1","1") = "6"
    & skf21("2","2","5","3","7","1","2","1") = "6"
    & skf21("2","2","5","3","7","1","3","1") = "6"
    & skf21("2","2","5","3","7","1","4","1") = "6"
    & skf21("2","2","5","3","7","1","5","1") = "6"
    & skf21("2","2","5","3","7","1","6","1") = "6"
    & skf21("2","2","5","3","7","1","7","1") = "6"
    & skf21("2","2","5","3","7","2","1","1") = "6"
    & skf21("2","2","5","3","7","2","2","1") = "6"
    & skf21("2","2","5","3","7","2","3","1") = "6"
    & skf21("2","2","5","3","7","2","4","1") = "6"
    & skf21("2","2","5","3","7","2","5","1") = "6"
    & skf21("2","2","5","3","7","2","6","1") = "6"
    & skf21("2","2","5","3","7","2","7","1") = "6"
    & skf21("2","2","5","3","7","3","1","1") = "6"
    & skf21("2","2","5","3","7","3","2","1") = "6"
    & skf21("2","2","5","3","7","3","3","1") = "6"
    & skf21("2","2","5","3","7","3","4","1") = "6"
    & skf21("2","2","5","3","7","3","5","1") = "6"
    & skf21("2","2","5","3","7","3","6","1") = "6"
    & skf21("2","2","5","3","7","3","7","1") = "6"
    & skf21("2","2","5","3","7","4","1","1") = "6"
    & skf21("2","2","5","3","7","4","2","1") = "6"
    & skf21("2","2","5","3","7","4","3","1") = "6"
    & skf21("2","2","5","3","7","4","4","1") = "6"
    & skf21("2","2","5","3","7","4","5","1") = "6"
    & skf21("2","2","5","3","7","4","6","1") = "6"
    & skf21("2","2","5","3","7","4","7","1") = "6"
    & skf21("2","2","5","3","7","5","1","1") = "6"
    & skf21("2","2","5","3","7","5","2","1") = "6"
    & skf21("2","2","5","3","7","5","3","1") = "6"
    & skf21("2","2","5","3","7","5","4","1") = "6"
    & skf21("2","2","5","3","7","5","5","1") = "6"
    & skf21("2","2","5","3","7","5","6","1") = "6"
    & skf21("2","2","5","3","7","5","7","1") = "6"
    & skf21("2","2","5","3","7","6","1","1") = "6"
    & skf21("2","2","5","3","7","6","2","1") = "6"
    & skf21("2","2","5","3","7","6","3","1") = "6"
    & skf21("2","2","5","3","7","6","4","1") = "6"
    & skf21("2","2","5","3","7","6","5","1") = "6"
    & skf21("2","2","5","3","7","6","6","1") = "6"
    & skf21("2","2","5","3","7","6","7","1") = "6"
    & skf21("2","2","5","3","7","7","1","1") = "6"
    & skf21("2","2","5","3","7","7","2","1") = "6"
    & skf21("2","2","5","3","7","7","3","1") = "6"
    & skf21("2","2","5","3","7","7","4","1") = "6"
    & skf21("2","2","5","3","7","7","5","1") = "6"
    & skf21("2","2","5","3","7","7","6","1") = "6"
    & skf21("2","2","5","3","7","7","7","1") = "6"
    & skf21("2","2","5","4","1","1","1","1") = "4"
    & skf21("2","2","5","4","1","1","2","1") = "4"
    & skf21("2","2","5","4","1","1","3","1") = "4"
    & skf21("2","2","5","4","1","1","4","1") = "4"
    & skf21("2","2","5","4","1","1","5","1") = "4"
    & skf21("2","2","5","4","1","1","6","1") = "5"
    & skf21("2","2","5","4","1","1","7","1") = "6"
    & skf21("2","2","5","4","1","2","1","1") = "4"
    & skf21("2","2","5","4","1","2","2","1") = "4"
    & skf21("2","2","5","4","1","2","3","1") = "4"
    & skf21("2","2","5","4","1","2","4","1") = "4"
    & skf21("2","2","5","4","1","2","5","1") = "4"
    & skf21("2","2","5","4","1","2","6","1") = "5"
    & skf21("2","2","5","4","1","2","7","1") = "6"
    & skf21("2","2","5","4","1","3","1","1") = "4"
    & skf21("2","2","5","4","1","3","2","1") = "4"
    & skf21("2","2","5","4","1","3","3","1") = "4"
    & skf21("2","2","5","4","1","3","4","1") = "4"
    & skf21("2","2","5","4","1","3","5","1") = "4"
    & skf21("2","2","5","4","1","3","6","1") = "5"
    & skf21("2","2","5","4","1","3","7","1") = "6"
    & skf21("2","2","5","4","1","4","1","1") = "4"
    & skf21("2","2","5","4","1","4","2","1") = "4"
    & skf21("2","2","5","4","1","4","3","1") = "4"
    & skf21("2","2","5","4","1","4","4","1") = "4"
    & skf21("2","2","5","4","1","4","5","1") = "4"
    & skf21("2","2","5","4","1","4","6","1") = "5"
    & skf21("2","2","5","4","1","4","7","1") = "6"
    & skf21("2","2","5","4","1","5","1","1") = "4"
    & skf21("2","2","5","4","1","5","2","1") = "4"
    & skf21("2","2","5","4","1","5","3","1") = "4"
    & skf21("2","2","5","4","1","5","4","1") = "4"
    & skf21("2","2","5","4","1","5","5","1") = "4"
    & skf21("2","2","5","4","1","5","6","1") = "5"
    & skf21("2","2","5","4","1","5","7","1") = "6"
    & skf21("2","2","5","4","1","6","1","1") = "5"
    & skf21("2","2","5","4","1","6","2","1") = "5"
    & skf21("2","2","5","4","1","6","3","1") = "5"
    & skf21("2","2","5","4","1","6","4","1") = "5"
    & skf21("2","2","5","4","1","6","5","1") = "5"
    & skf21("2","2","5","4","1","6","6","1") = "5"
    & skf21("2","2","5","4","1","6","7","1") = "6"
    & skf21("2","2","5","4","1","7","1","1") = "6"
    & skf21("2","2","5","4","1","7","2","1") = "6"
    & skf21("2","2","5","4","1","7","3","1") = "6"
    & skf21("2","2","5","4","1","7","4","1") = "6"
    & skf21("2","2","5","4","1","7","5","1") = "6"
    & skf21("2","2","5","4","1","7","6","1") = "6"
    & skf21("2","2","5","4","1","7","7","1") = "6"
    & skf21("2","2","5","4","2","1","1","1") = "4"
    & skf21("2","2","5","4","2","1","2","1") = "4"
    & skf21("2","2","5","4","2","1","3","1") = "4"
    & skf21("2","2","5","4","2","1","4","1") = "4"
    & skf21("2","2","5","4","2","1","5","1") = "4"
    & skf21("2","2","5","4","2","1","6","1") = "5"
    & skf21("2","2","5","4","2","1","7","1") = "6"
    & skf21("2","2","5","4","2","2","1","1") = "4"
    & skf21("2","2","5","4","2","2","2","1") = "4"
    & skf21("2","2","5","4","2","2","3","1") = "4"
    & skf21("2","2","5","4","2","2","4","1") = "4"
    & skf21("2","2","5","4","2","2","5","1") = "4"
    & skf21("2","2","5","4","2","2","6","1") = "5"
    & skf21("2","2","5","4","2","2","7","1") = "6"
    & skf21("2","2","5","4","2","3","1","1") = "4"
    & skf21("2","2","5","4","2","3","2","1") = "4"
    & skf21("2","2","5","4","2","3","3","1") = "4"
    & skf21("2","2","5","4","2","3","4","1") = "4"
    & skf21("2","2","5","4","2","3","5","1") = "4"
    & skf21("2","2","5","4","2","3","6","1") = "5"
    & skf21("2","2","5","4","2","3","7","1") = "6"
    & skf21("2","2","5","4","2","4","1","1") = "4"
    & skf21("2","2","5","4","2","4","2","1") = "4"
    & skf21("2","2","5","4","2","4","3","1") = "4"
    & skf21("2","2","5","4","2","4","4","1") = "4"
    & skf21("2","2","5","4","2","4","5","1") = "4"
    & skf21("2","2","5","4","2","4","6","1") = "5"
    & skf21("2","2","5","4","2","4","7","1") = "6"
    & skf21("2","2","5","4","2","5","1","1") = "4"
    & skf21("2","2","5","4","2","5","2","1") = "4"
    & skf21("2","2","5","4","2","5","3","1") = "4"
    & skf21("2","2","5","4","2","5","4","1") = "4"
    & skf21("2","2","5","4","2","5","5","1") = "4"
    & skf21("2","2","5","4","2","5","6","1") = "5"
    & skf21("2","2","5","4","2","5","7","1") = "6"
    & skf21("2","2","5","4","2","6","1","1") = "5"
    & skf21("2","2","5","4","2","6","2","1") = "5"
    & skf21("2","2","5","4","2","6","3","1") = "5"
    & skf21("2","2","5","4","2","6","4","1") = "5"
    & skf21("2","2","5","4","2","6","5","1") = "5"
    & skf21("2","2","5","4","2","6","6","1") = "5"
    & skf21("2","2","5","4","2","6","7","1") = "6"
    & skf21("2","2","5","4","2","7","1","1") = "6"
    & skf21("2","2","5","4","2","7","2","1") = "6"
    & skf21("2","2","5","4","2","7","3","1") = "6"
    & skf21("2","2","5","4","2","7","4","1") = "6"
    & skf21("2","2","5","4","2","7","5","1") = "6"
    & skf21("2","2","5","4","2","7","6","1") = "6"
    & skf21("2","2","5","4","2","7","7","1") = "6"
    & skf21("2","2","5","4","3","1","1","1") = "4"
    & skf21("2","2","5","4","3","1","2","1") = "4"
    & skf21("2","2","5","4","3","1","3","1") = "4"
    & skf21("2","2","5","4","3","1","4","1") = "4"
    & skf21("2","2","5","4","3","1","5","1") = "4"
    & skf21("2","2","5","4","3","1","6","1") = "5"
    & skf21("2","2","5","4","3","1","7","1") = "6"
    & skf21("2","2","5","4","3","2","1","1") = "4"
    & skf21("2","2","5","4","3","2","2","1") = "4"
    & skf21("2","2","5","4","3","2","3","1") = "4"
    & skf21("2","2","5","4","3","2","4","1") = "4"
    & skf21("2","2","5","4","3","2","5","1") = "4"
    & skf21("2","2","5","4","3","2","6","1") = "5"
    & skf21("2","2","5","4","3","2","7","1") = "6"
    & skf21("2","2","5","4","3","3","1","1") = "4"
    & skf21("2","2","5","4","3","3","2","1") = "4"
    & skf21("2","2","5","4","3","3","3","1") = "4"
    & skf21("2","2","5","4","3","3","4","1") = "4"
    & skf21("2","2","5","4","3","3","5","1") = "4"
    & skf21("2","2","5","4","3","3","6","1") = "5"
    & skf21("2","2","5","4","3","3","7","1") = "6"
    & skf21("2","2","5","4","3","4","1","1") = "4"
    & skf21("2","2","5","4","3","4","2","1") = "4"
    & skf21("2","2","5","4","3","4","3","1") = "4"
    & skf21("2","2","5","4","3","4","4","1") = "4"
    & skf21("2","2","5","4","3","4","5","1") = "4"
    & skf21("2","2","5","4","3","4","6","1") = "5"
    & skf21("2","2","5","4","3","4","7","1") = "6"
    & skf21("2","2","5","4","3","5","1","1") = "4"
    & skf21("2","2","5","4","3","5","2","1") = "4"
    & skf21("2","2","5","4","3","5","3","1") = "4"
    & skf21("2","2","5","4","3","5","4","1") = "4"
    & skf21("2","2","5","4","3","5","5","1") = "4"
    & skf21("2","2","5","4","3","5","6","1") = "5"
    & skf21("2","2","5","4","3","5","7","1") = "6"
    & skf21("2","2","5","4","3","6","1","1") = "5"
    & skf21("2","2","5","4","3","6","2","1") = "5"
    & skf21("2","2","5","4","3","6","3","1") = "5"
    & skf21("2","2","5","4","3","6","4","1") = "5"
    & skf21("2","2","5","4","3","6","5","1") = "5"
    & skf21("2","2","5","4","3","6","6","1") = "5"
    & skf21("2","2","5","4","3","6","7","1") = "6"
    & skf21("2","2","5","4","3","7","1","1") = "6"
    & skf21("2","2","5","4","3","7","2","1") = "6"
    & skf21("2","2","5","4","3","7","3","1") = "6"
    & skf21("2","2","5","4","3","7","4","1") = "6"
    & skf21("2","2","5","4","3","7","5","1") = "6"
    & skf21("2","2","5","4","3","7","6","1") = "6"
    & skf21("2","2","5","4","3","7","7","1") = "6"
    & skf21("2","2","5","4","4","1","1","1") = "4"
    & skf21("2","2","5","4","4","1","2","1") = "4"
    & skf21("2","2","5","4","4","1","3","1") = "4"
    & skf21("2","2","5","4","4","1","4","1") = "4"
    & skf21("2","2","5","4","4","1","5","1") = "4"
    & skf21("2","2","5","4","4","1","6","1") = "5"
    & skf21("2","2","5","4","4","1","7","1") = "6"
    & skf21("2","2","5","4","4","2","1","1") = "4"
    & skf21("2","2","5","4","4","2","2","1") = "4"
    & skf21("2","2","5","4","4","2","3","1") = "4"
    & skf21("2","2","5","4","4","2","4","1") = "4"
    & skf21("2","2","5","4","4","2","5","1") = "4"
    & skf21("2","2","5","4","4","2","6","1") = "5"
    & skf21("2","2","5","4","4","2","7","1") = "6"
    & skf21("2","2","5","4","4","3","1","1") = "4"
    & skf21("2","2","5","4","4","3","2","1") = "4"
    & skf21("2","2","5","4","4","3","3","1") = "4"
    & skf21("2","2","5","4","4","3","4","1") = "4"
    & skf21("2","2","5","4","4","3","5","1") = "4"
    & skf21("2","2","5","4","4","3","6","1") = "5"
    & skf21("2","2","5","4","4","3","7","1") = "6"
    & skf21("2","2","5","4","4","4","1","1") = "4"
    & skf21("2","2","5","4","4","4","2","1") = "4"
    & skf21("2","2","5","4","4","4","3","1") = "4"
    & skf21("2","2","5","4","4","4","4","1") = "4"
    & skf21("2","2","5","4","4","4","5","1") = "4"
    & skf21("2","2","5","4","4","4","6","1") = "5"
    & skf21("2","2","5","4","4","4","7","1") = "6"
    & skf21("2","2","5","4","4","5","1","1") = "4"
    & skf21("2","2","5","4","4","5","2","1") = "4"
    & skf21("2","2","5","4","4","5","3","1") = "4"
    & skf21("2","2","5","4","4","5","4","1") = "4"
    & skf21("2","2","5","4","4","5","5","1") = "4"
    & skf21("2","2","5","4","4","5","6","1") = "5"
    & skf21("2","2","5","4","4","5","7","1") = "6"
    & skf21("2","2","5","4","4","6","1","1") = "5"
    & skf21("2","2","5","4","4","6","2","1") = "5"
    & skf21("2","2","5","4","4","6","3","1") = "5"
    & skf21("2","2","5","4","4","6","4","1") = "5"
    & skf21("2","2","5","4","4","6","5","1") = "5"
    & skf21("2","2","5","4","4","6","6","1") = "5"
    & skf21("2","2","5","4","4","6","7","1") = "6"
    & skf21("2","2","5","4","4","7","1","1") = "6"
    & skf21("2","2","5","4","4","7","2","1") = "6"
    & skf21("2","2","5","4","4","7","3","1") = "6"
    & skf21("2","2","5","4","4","7","4","1") = "6"
    & skf21("2","2","5","4","4","7","5","1") = "6"
    & skf21("2","2","5","4","4","7","6","1") = "6"
    & skf21("2","2","5","4","4","7","7","1") = "6"
    & skf21("2","2","5","4","5","1","1","1") = "4"
    & skf21("2","2","5","4","5","1","2","1") = "4"
    & skf21("2","2","5","4","5","1","3","1") = "4"
    & skf21("2","2","5","4","5","1","4","1") = "4"
    & skf21("2","2","5","4","5","1","5","1") = "4"
    & skf21("2","2","5","4","5","1","6","1") = "5"
    & skf21("2","2","5","4","5","1","7","1") = "6"
    & skf21("2","2","5","4","5","2","1","1") = "4"
    & skf21("2","2","5","4","5","2","2","1") = "4"
    & skf21("2","2","5","4","5","2","3","1") = "4"
    & skf21("2","2","5","4","5","2","4","1") = "4"
    & skf21("2","2","5","4","5","2","5","1") = "4"
    & skf21("2","2","5","4","5","2","6","1") = "5"
    & skf21("2","2","5","4","5","2","7","1") = "6"
    & skf21("2","2","5","4","5","3","1","1") = "4"
    & skf21("2","2","5","4","5","3","2","1") = "4"
    & skf21("2","2","5","4","5","3","3","1") = "4"
    & skf21("2","2","5","4","5","3","4","1") = "4"
    & skf21("2","2","5","4","5","3","5","1") = "4"
    & skf21("2","2","5","4","5","3","6","1") = "5"
    & skf21("2","2","5","4","5","3","7","1") = "6"
    & skf21("2","2","5","4","5","4","1","1") = "4"
    & skf21("2","2","5","4","5","4","2","1") = "4"
    & skf21("2","2","5","4","5","4","3","1") = "4"
    & skf21("2","2","5","4","5","4","4","1") = "4"
    & skf21("2","2","5","4","5","4","5","1") = "4"
    & skf21("2","2","5","4","5","4","6","1") = "5"
    & skf21("2","2","5","4","5","4","7","1") = "6"
    & skf21("2","2","5","4","5","5","1","1") = "4"
    & skf21("2","2","5","4","5","5","2","1") = "4"
    & skf21("2","2","5","4","5","5","3","1") = "4"
    & skf21("2","2","5","4","5","5","4","1") = "4"
    & skf21("2","2","5","4","5","5","5","1") = "4"
    & skf21("2","2","5","4","5","5","6","1") = "5"
    & skf21("2","2","5","4","5","5","7","1") = "6"
    & skf21("2","2","5","4","5","6","1","1") = "5"
    & skf21("2","2","5","4","5","6","2","1") = "5"
    & skf21("2","2","5","4","5","6","3","1") = "5"
    & skf21("2","2","5","4","5","6","4","1") = "5"
    & skf21("2","2","5","4","5","6","5","1") = "5"
    & skf21("2","2","5","4","5","6","6","1") = "5"
    & skf21("2","2","5","4","5","6","7","1") = "6"
    & skf21("2","2","5","4","5","7","1","1") = "6"
    & skf21("2","2","5","4","5","7","2","1") = "6"
    & skf21("2","2","5","4","5","7","3","1") = "6"
    & skf21("2","2","5","4","5","7","4","1") = "6"
    & skf21("2","2","5","4","5","7","5","1") = "6"
    & skf21("2","2","5","4","5","7","6","1") = "6"
    & skf21("2","2","5","4","5","7","7","1") = "6"
    & skf21("2","2","5","4","6","1","1","1") = "5"
    & skf21("2","2","5","4","6","1","2","1") = "5"
    & skf21("2","2","5","4","6","1","3","1") = "5"
    & skf21("2","2","5","4","6","1","4","1") = "5"
    & skf21("2","2","5","4","6","1","5","1") = "5"
    & skf21("2","2","5","4","6","1","6","1") = "5"
    & skf21("2","2","5","4","6","1","7","1") = "6"
    & skf21("2","2","5","4","6","2","1","1") = "5"
    & skf21("2","2","5","4","6","2","2","1") = "5"
    & skf21("2","2","5","4","6","2","3","1") = "5"
    & skf21("2","2","5","4","6","2","4","1") = "5"
    & skf21("2","2","5","4","6","2","5","1") = "5"
    & skf21("2","2","5","4","6","2","6","1") = "5"
    & skf21("2","2","5","4","6","2","7","1") = "6"
    & skf21("2","2","5","4","6","3","1","1") = "5"
    & skf21("2","2","5","4","6","3","2","1") = "5"
    & skf21("2","2","5","4","6","3","3","1") = "5"
    & skf21("2","2","5","4","6","3","4","1") = "5"
    & skf21("2","2","5","4","6","3","5","1") = "5"
    & skf21("2","2","5","4","6","3","6","1") = "5"
    & skf21("2","2","5","4","6","3","7","1") = "6"
    & skf21("2","2","5","4","6","4","1","1") = "5"
    & skf21("2","2","5","4","6","4","2","1") = "5"
    & skf21("2","2","5","4","6","4","3","1") = "5"
    & skf21("2","2","5","4","6","4","4","1") = "5"
    & skf21("2","2","5","4","6","4","5","1") = "5"
    & skf21("2","2","5","4","6","4","6","1") = "5"
    & skf21("2","2","5","4","6","4","7","1") = "6"
    & skf21("2","2","5","4","6","5","1","1") = "5"
    & skf21("2","2","5","4","6","5","2","1") = "5"
    & skf21("2","2","5","4","6","5","3","1") = "5"
    & skf21("2","2","5","4","6","5","4","1") = "5"
    & skf21("2","2","5","4","6","5","5","1") = "5"
    & skf21("2","2","5","4","6","5","6","1") = "5"
    & skf21("2","2","5","4","6","5","7","1") = "6"
    & skf21("2","2","5","4","6","6","1","1") = "5"
    & skf21("2","2","5","4","6","6","2","1") = "5"
    & skf21("2","2","5","4","6","6","3","1") = "5"
    & skf21("2","2","5","4","6","6","4","1") = "5"
    & skf21("2","2","5","4","6","6","5","1") = "5"
    & skf21("2","2","5","4","6","6","6","1") = "5"
    & skf21("2","2","5","4","6","6","7","1") = "6"
    & skf21("2","2","5","4","6","7","1","1") = "6"
    & skf21("2","2","5","4","6","7","2","1") = "6"
    & skf21("2","2","5","4","6","7","3","1") = "6"
    & skf21("2","2","5","4","6","7","4","1") = "6"
    & skf21("2","2","5","4","6","7","5","1") = "6"
    & skf21("2","2","5","4","6","7","6","1") = "6"
    & skf21("2","2","5","4","6","7","7","1") = "6"
    & skf21("2","2","5","4","7","1","1","1") = "6"
    & skf21("2","2","5","4","7","1","2","1") = "6"
    & skf21("2","2","5","4","7","1","3","1") = "6"
    & skf21("2","2","5","4","7","1","4","1") = "6"
    & skf21("2","2","5","4","7","1","5","1") = "6"
    & skf21("2","2","5","4","7","1","6","1") = "6"
    & skf21("2","2","5","4","7","1","7","1") = "6"
    & skf21("2","2","5","4","7","2","1","1") = "6"
    & skf21("2","2","5","4","7","2","2","1") = "6"
    & skf21("2","2","5","4","7","2","3","1") = "6"
    & skf21("2","2","5","4","7","2","4","1") = "6"
    & skf21("2","2","5","4","7","2","5","1") = "6"
    & skf21("2","2","5","4","7","2","6","1") = "6"
    & skf21("2","2","5","4","7","2","7","1") = "6"
    & skf21("2","2","5","4","7","3","1","1") = "6"
    & skf21("2","2","5","4","7","3","2","1") = "6"
    & skf21("2","2","5","4","7","3","3","1") = "6"
    & skf21("2","2","5","4","7","3","4","1") = "6"
    & skf21("2","2","5","4","7","3","5","1") = "6"
    & skf21("2","2","5","4","7","3","6","1") = "6"
    & skf21("2","2","5","4","7","3","7","1") = "6"
    & skf21("2","2","5","4","7","4","1","1") = "6"
    & skf21("2","2","5","4","7","4","2","1") = "6"
    & skf21("2","2","5","4","7","4","3","1") = "6"
    & skf21("2","2","5","4","7","4","4","1") = "6"
    & skf21("2","2","5","4","7","4","5","1") = "6"
    & skf21("2","2","5","4","7","4","6","1") = "6"
    & skf21("2","2","5","4","7","4","7","1") = "6"
    & skf21("2","2","5","4","7","5","1","1") = "6"
    & skf21("2","2","5","4","7","5","2","1") = "6"
    & skf21("2","2","5","4","7","5","3","1") = "6"
    & skf21("2","2","5","4","7","5","4","1") = "6"
    & skf21("2","2","5","4","7","5","5","1") = "6"
    & skf21("2","2","5","4","7","5","6","1") = "6"
    & skf21("2","2","5","4","7","5","7","1") = "6"
    & skf21("2","2","5","4","7","6","1","1") = "6"
    & skf21("2","2","5","4","7","6","2","1") = "6"
    & skf21("2","2","5","4","7","6","3","1") = "6"
    & skf21("2","2","5","4","7","6","4","1") = "6"
    & skf21("2","2","5","4","7","6","5","1") = "6"
    & skf21("2","2","5","4","7","6","6","1") = "6"
    & skf21("2","2","5","4","7","6","7","1") = "6"
    & skf21("2","2","5","4","7","7","1","1") = "6"
    & skf21("2","2","5","4","7","7","2","1") = "6"
    & skf21("2","2","5","4","7","7","3","1") = "6"
    & skf21("2","2","5","4","7","7","4","1") = "6"
    & skf21("2","2","5","4","7","7","5","1") = "6"
    & skf21("2","2","5","4","7","7","6","1") = "6"
    & skf21("2","2","5","4","7","7","7","1") = "6"
    & skf21("2","2","5","5","1","1","1","1") = "4"
    & skf21("2","2","5","5","1","1","2","1") = "4"
    & skf21("2","2","5","5","1","1","3","1") = "4"
    & skf21("2","2","5","5","1","1","4","1") = "4"
    & skf21("2","2","5","5","1","1","5","1") = "4"
    & skf21("2","2","5","5","1","1","6","1") = "5"
    & skf21("2","2","5","5","1","1","7","1") = "6"
    & skf21("2","2","5","5","1","2","1","1") = "4"
    & skf21("2","2","5","5","1","2","2","1") = "4"
    & skf21("2","2","5","5","1","2","3","1") = "4"
    & skf21("2","2","5","5","1","2","4","1") = "4"
    & skf21("2","2","5","5","1","2","5","1") = "4"
    & skf21("2","2","5","5","1","2","6","1") = "5"
    & skf21("2","2","5","5","1","2","7","1") = "6"
    & skf21("2","2","5","5","1","3","1","1") = "4"
    & skf21("2","2","5","5","1","3","2","1") = "4"
    & skf21("2","2","5","5","1","3","3","1") = "4"
    & skf21("2","2","5","5","1","3","4","1") = "4"
    & skf21("2","2","5","5","1","3","5","1") = "4"
    & skf21("2","2","5","5","1","3","6","1") = "5"
    & skf21("2","2","5","5","1","3","7","1") = "6"
    & skf21("2","2","5","5","1","4","1","1") = "4"
    & skf21("2","2","5","5","1","4","2","1") = "4"
    & skf21("2","2","5","5","1","4","3","1") = "4"
    & skf21("2","2","5","5","1","4","4","1") = "4"
    & skf21("2","2","5","5","1","4","5","1") = "4"
    & skf21("2","2","5","5","1","4","6","1") = "5"
    & skf21("2","2","5","5","1","4","7","1") = "6"
    & skf21("2","2","5","5","1","5","1","1") = "4"
    & skf21("2","2","5","5","1","5","2","1") = "4"
    & skf21("2","2","5","5","1","5","3","1") = "4"
    & skf21("2","2","5","5","1","5","4","1") = "4"
    & skf21("2","2","5","5","1","5","5","1") = "4"
    & skf21("2","2","5","5","1","5","6","1") = "5"
    & skf21("2","2","5","5","1","5","7","1") = "6"
    & skf21("2","2","5","5","1","6","1","1") = "5"
    & skf21("2","2","5","5","1","6","2","1") = "5"
    & skf21("2","2","5","5","1","6","3","1") = "5"
    & skf21("2","2","5","5","1","6","4","1") = "5"
    & skf21("2","2","5","5","1","6","5","1") = "5"
    & skf21("2","2","5","5","1","6","6","1") = "5"
    & skf21("2","2","5","5","1","6","7","1") = "6"
    & skf21("2","2","5","5","1","7","1","1") = "6"
    & skf21("2","2","5","5","1","7","2","1") = "6"
    & skf21("2","2","5","5","1","7","3","1") = "6"
    & skf21("2","2","5","5","1","7","4","1") = "6"
    & skf21("2","2","5","5","1","7","5","1") = "6"
    & skf21("2","2","5","5","1","7","6","1") = "6"
    & skf21("2","2","5","5","1","7","7","1") = "6"
    & skf21("2","2","5","5","2","1","1","1") = "4"
    & skf21("2","2","5","5","2","1","2","1") = "4"
    & skf21("2","2","5","5","2","1","3","1") = "4"
    & skf21("2","2","5","5","2","1","4","1") = "4"
    & skf21("2","2","5","5","2","1","5","1") = "4"
    & skf21("2","2","5","5","2","1","6","1") = "5"
    & skf21("2","2","5","5","2","1","7","1") = "6"
    & skf21("2","2","5","5","2","2","1","1") = "4"
    & skf21("2","2","5","5","2","2","2","1") = "4"
    & skf21("2","2","5","5","2","2","3","1") = "4"
    & skf21("2","2","5","5","2","2","4","1") = "4"
    & skf21("2","2","5","5","2","2","5","1") = "4"
    & skf21("2","2","5","5","2","2","6","1") = "5"
    & skf21("2","2","5","5","2","2","7","1") = "6"
    & skf21("2","2","5","5","2","3","1","1") = "4"
    & skf21("2","2","5","5","2","3","2","1") = "4"
    & skf21("2","2","5","5","2","3","3","1") = "4"
    & skf21("2","2","5","5","2","3","4","1") = "4"
    & skf21("2","2","5","5","2","3","5","1") = "4"
    & skf21("2","2","5","5","2","3","6","1") = "5"
    & skf21("2","2","5","5","2","3","7","1") = "6"
    & skf21("2","2","5","5","2","4","1","1") = "4"
    & skf21("2","2","5","5","2","4","2","1") = "4"
    & skf21("2","2","5","5","2","4","3","1") = "4"
    & skf21("2","2","5","5","2","4","4","1") = "4"
    & skf21("2","2","5","5","2","4","5","1") = "4"
    & skf21("2","2","5","5","2","4","6","1") = "5"
    & skf21("2","2","5","5","2","4","7","1") = "6"
    & skf21("2","2","5","5","2","5","1","1") = "4"
    & skf21("2","2","5","5","2","5","2","1") = "4"
    & skf21("2","2","5","5","2","5","3","1") = "4"
    & skf21("2","2","5","5","2","5","4","1") = "4"
    & skf21("2","2","5","5","2","5","5","1") = "4"
    & skf21("2","2","5","5","2","5","6","1") = "5"
    & skf21("2","2","5","5","2","5","7","1") = "6"
    & skf21("2","2","5","5","2","6","1","1") = "5"
    & skf21("2","2","5","5","2","6","2","1") = "5"
    & skf21("2","2","5","5","2","6","3","1") = "5"
    & skf21("2","2","5","5","2","6","4","1") = "5"
    & skf21("2","2","5","5","2","6","5","1") = "5"
    & skf21("2","2","5","5","2","6","6","1") = "5"
    & skf21("2","2","5","5","2","6","7","1") = "6"
    & skf21("2","2","5","5","2","7","1","1") = "6"
    & skf21("2","2","5","5","2","7","2","1") = "6"
    & skf21("2","2","5","5","2","7","3","1") = "6"
    & skf21("2","2","5","5","2","7","4","1") = "6"
    & skf21("2","2","5","5","2","7","5","1") = "6"
    & skf21("2","2","5","5","2","7","6","1") = "6"
    & skf21("2","2","5","5","2","7","7","1") = "6"
    & skf21("2","2","5","5","3","1","1","1") = "4"
    & skf21("2","2","5","5","3","1","2","1") = "4"
    & skf21("2","2","5","5","3","1","3","1") = "4"
    & skf21("2","2","5","5","3","1","4","1") = "4"
    & skf21("2","2","5","5","3","1","5","1") = "4"
    & skf21("2","2","5","5","3","1","6","1") = "5"
    & skf21("2","2","5","5","3","1","7","1") = "6"
    & skf21("2","2","5","5","3","2","1","1") = "4"
    & skf21("2","2","5","5","3","2","2","1") = "4"
    & skf21("2","2","5","5","3","2","3","1") = "4"
    & skf21("2","2","5","5","3","2","4","1") = "4"
    & skf21("2","2","5","5","3","2","5","1") = "4"
    & skf21("2","2","5","5","3","2","6","1") = "5"
    & skf21("2","2","5","5","3","2","7","1") = "6"
    & skf21("2","2","5","5","3","3","1","1") = "4"
    & skf21("2","2","5","5","3","3","2","1") = "4"
    & skf21("2","2","5","5","3","3","3","1") = "4"
    & skf21("2","2","5","5","3","3","4","1") = "4"
    & skf21("2","2","5","5","3","3","5","1") = "4"
    & skf21("2","2","5","5","3","3","6","1") = "5"
    & skf21("2","2","5","5","3","3","7","1") = "6"
    & skf21("2","2","5","5","3","4","1","1") = "4"
    & skf21("2","2","5","5","3","4","2","1") = "4"
    & skf21("2","2","5","5","3","4","3","1") = "4"
    & skf21("2","2","5","5","3","4","4","1") = "4"
    & skf21("2","2","5","5","3","4","5","1") = "4"
    & skf21("2","2","5","5","3","4","6","1") = "5"
    & skf21("2","2","5","5","3","4","7","1") = "6"
    & skf21("2","2","5","5","3","5","1","1") = "4"
    & skf21("2","2","5","5","3","5","2","1") = "4"
    & skf21("2","2","5","5","3","5","3","1") = "4"
    & skf21("2","2","5","5","3","5","4","1") = "4"
    & skf21("2","2","5","5","3","5","5","1") = "4"
    & skf21("2","2","5","5","3","5","6","1") = "5"
    & skf21("2","2","5","5","3","5","7","1") = "6"
    & skf21("2","2","5","5","3","6","1","1") = "5"
    & skf21("2","2","5","5","3","6","2","1") = "5"
    & skf21("2","2","5","5","3","6","3","1") = "5"
    & skf21("2","2","5","5","3","6","4","1") = "5"
    & skf21("2","2","5","5","3","6","5","1") = "5"
    & skf21("2","2","5","5","3","6","6","1") = "5"
    & skf21("2","2","5","5","3","6","7","1") = "6"
    & skf21("2","2","5","5","3","7","1","1") = "6"
    & skf21("2","2","5","5","3","7","2","1") = "6"
    & skf21("2","2","5","5","3","7","3","1") = "6"
    & skf21("2","2","5","5","3","7","4","1") = "6"
    & skf21("2","2","5","5","3","7","5","1") = "6"
    & skf21("2","2","5","5","3","7","6","1") = "6"
    & skf21("2","2","5","5","3","7","7","1") = "6"
    & skf21("2","2","5","5","4","1","1","1") = "4"
    & skf21("2","2","5","5","4","1","2","1") = "4"
    & skf21("2","2","5","5","4","1","3","1") = "4"
    & skf21("2","2","5","5","4","1","4","1") = "4"
    & skf21("2","2","5","5","4","1","5","1") = "4"
    & skf21("2","2","5","5","4","1","6","1") = "5"
    & skf21("2","2","5","5","4","1","7","1") = "6"
    & skf21("2","2","5","5","4","2","1","1") = "4"
    & skf21("2","2","5","5","4","2","2","1") = "4"
    & skf21("2","2","5","5","4","2","3","1") = "4"
    & skf21("2","2","5","5","4","2","4","1") = "4"
    & skf21("2","2","5","5","4","2","5","1") = "4"
    & skf21("2","2","5","5","4","2","6","1") = "5"
    & skf21("2","2","5","5","4","2","7","1") = "6"
    & skf21("2","2","5","5","4","3","1","1") = "4"
    & skf21("2","2","5","5","4","3","2","1") = "4"
    & skf21("2","2","5","5","4","3","3","1") = "4"
    & skf21("2","2","5","5","4","3","4","1") = "4"
    & skf21("2","2","5","5","4","3","5","1") = "4"
    & skf21("2","2","5","5","4","3","6","1") = "5"
    & skf21("2","2","5","5","4","3","7","1") = "6"
    & skf21("2","2","5","5","4","4","1","1") = "4"
    & skf21("2","2","5","5","4","4","2","1") = "4"
    & skf21("2","2","5","5","4","4","3","1") = "4"
    & skf21("2","2","5","5","4","4","4","1") = "4"
    & skf21("2","2","5","5","4","4","5","1") = "4"
    & skf21("2","2","5","5","4","4","6","1") = "5"
    & skf21("2","2","5","5","4","4","7","1") = "6"
    & skf21("2","2","5","5","4","5","1","1") = "4"
    & skf21("2","2","5","5","4","5","2","1") = "4"
    & skf21("2","2","5","5","4","5","3","1") = "4"
    & skf21("2","2","5","5","4","5","4","1") = "4"
    & skf21("2","2","5","5","4","5","5","1") = "4"
    & skf21("2","2","5","5","4","5","6","1") = "5"
    & skf21("2","2","5","5","4","5","7","1") = "6"
    & skf21("2","2","5","5","4","6","1","1") = "5"
    & skf21("2","2","5","5","4","6","2","1") = "5"
    & skf21("2","2","5","5","4","6","3","1") = "5"
    & skf21("2","2","5","5","4","6","4","1") = "5"
    & skf21("2","2","5","5","4","6","5","1") = "5"
    & skf21("2","2","5","5","4","6","6","1") = "5"
    & skf21("2","2","5","5","4","6","7","1") = "6"
    & skf21("2","2","5","5","4","7","1","1") = "6"
    & skf21("2","2","5","5","4","7","2","1") = "6"
    & skf21("2","2","5","5","4","7","3","1") = "6"
    & skf21("2","2","5","5","4","7","4","1") = "6"
    & skf21("2","2","5","5","4","7","5","1") = "6"
    & skf21("2","2","5","5","4","7","6","1") = "6"
    & skf21("2","2","5","5","4","7","7","1") = "6"
    & skf21("2","2","5","5","5","1","1","1") = "4"
    & skf21("2","2","5","5","5","1","2","1") = "4"
    & skf21("2","2","5","5","5","1","3","1") = "4"
    & skf21("2","2","5","5","5","1","4","1") = "4"
    & skf21("2","2","5","5","5","1","5","1") = "4"
    & skf21("2","2","5","5","5","1","6","1") = "5"
    & skf21("2","2","5","5","5","1","7","1") = "6"
    & skf21("2","2","5","5","5","2","1","1") = "4"
    & skf21("2","2","5","5","5","2","2","1") = "4"
    & skf21("2","2","5","5","5","2","3","1") = "4"
    & skf21("2","2","5","5","5","2","4","1") = "4"
    & skf21("2","2","5","5","5","2","5","1") = "4"
    & skf21("2","2","5","5","5","2","6","1") = "5"
    & skf21("2","2","5","5","5","2","7","1") = "6"
    & skf21("2","2","5","5","5","3","1","1") = "4"
    & skf21("2","2","5","5","5","3","2","1") = "4"
    & skf21("2","2","5","5","5","3","3","1") = "4"
    & skf21("2","2","5","5","5","3","4","1") = "4"
    & skf21("2","2","5","5","5","3","5","1") = "4"
    & skf21("2","2","5","5","5","3","6","1") = "5"
    & skf21("2","2","5","5","5","3","7","1") = "6"
    & skf21("2","2","5","5","5","4","1","1") = "4"
    & skf21("2","2","5","5","5","4","2","1") = "4"
    & skf21("2","2","5","5","5","4","3","1") = "4"
    & skf21("2","2","5","5","5","4","4","1") = "4"
    & skf21("2","2","5","5","5","4","5","1") = "4"
    & skf21("2","2","5","5","5","4","6","1") = "5"
    & skf21("2","2","5","5","5","4","7","1") = "6"
    & skf21("2","2","5","5","5","5","1","1") = "4"
    & skf21("2","2","5","5","5","5","2","1") = "4"
    & skf21("2","2","5","5","5","5","3","1") = "4"
    & skf21("2","2","5","5","5","5","4","1") = "4"
    & skf21("2","2","5","5","5","5","5","1") = "4"
    & skf21("2","2","5","5","5","5","6","1") = "5"
    & skf21("2","2","5","5","5","5","7","1") = "6"
    & skf21("2","2","5","5","5","6","1","1") = "5"
    & skf21("2","2","5","5","5","6","2","1") = "5"
    & skf21("2","2","5","5","5","6","3","1") = "5"
    & skf21("2","2","5","5","5","6","4","1") = "5"
    & skf21("2","2","5","5","5","6","5","1") = "5"
    & skf21("2","2","5","5","5","6","6","1") = "5"
    & skf21("2","2","5","5","5","6","7","1") = "6"
    & skf21("2","2","5","5","5","7","1","1") = "6"
    & skf21("2","2","5","5","5","7","2","1") = "6"
    & skf21("2","2","5","5","5","7","3","1") = "6"
    & skf21("2","2","5","5","5","7","4","1") = "6"
    & skf21("2","2","5","5","5","7","5","1") = "6"
    & skf21("2","2","5","5","5","7","6","1") = "6"
    & skf21("2","2","5","5","5","7","7","1") = "6"
    & skf21("2","2","5","5","6","1","1","1") = "5"
    & skf21("2","2","5","5","6","1","2","1") = "5"
    & skf21("2","2","5","5","6","1","3","1") = "5"
    & skf21("2","2","5","5","6","1","4","1") = "5"
    & skf21("2","2","5","5","6","1","5","1") = "5"
    & skf21("2","2","5","5","6","1","6","1") = "5"
    & skf21("2","2","5","5","6","1","7","1") = "6"
    & skf21("2","2","5","5","6","2","1","1") = "5"
    & skf21("2","2","5","5","6","2","2","1") = "5"
    & skf21("2","2","5","5","6","2","3","1") = "5"
    & skf21("2","2","5","5","6","2","4","1") = "5"
    & skf21("2","2","5","5","6","2","5","1") = "5"
    & skf21("2","2","5","5","6","2","6","1") = "5"
    & skf21("2","2","5","5","6","2","7","1") = "6"
    & skf21("2","2","5","5","6","3","1","1") = "5"
    & skf21("2","2","5","5","6","3","2","1") = "5"
    & skf21("2","2","5","5","6","3","3","1") = "5"
    & skf21("2","2","5","5","6","3","4","1") = "5"
    & skf21("2","2","5","5","6","3","5","1") = "5"
    & skf21("2","2","5","5","6","3","6","1") = "5"
    & skf21("2","2","5","5","6","3","7","1") = "6"
    & skf21("2","2","5","5","6","4","1","1") = "5"
    & skf21("2","2","5","5","6","4","2","1") = "5"
    & skf21("2","2","5","5","6","4","3","1") = "5"
    & skf21("2","2","5","5","6","4","4","1") = "5"
    & skf21("2","2","5","5","6","4","5","1") = "5"
    & skf21("2","2","5","5","6","4","6","1") = "5"
    & skf21("2","2","5","5","6","4","7","1") = "6"
    & skf21("2","2","5","5","6","5","1","1") = "5"
    & skf21("2","2","5","5","6","5","2","1") = "5"
    & skf21("2","2","5","5","6","5","3","1") = "5"
    & skf21("2","2","5","5","6","5","4","1") = "5"
    & skf21("2","2","5","5","6","5","5","1") = "5"
    & skf21("2","2","5","5","6","5","6","1") = "5"
    & skf21("2","2","5","5","6","5","7","1") = "6"
    & skf21("2","2","5","5","6","6","1","1") = "5"
    & skf21("2","2","5","5","6","6","2","1") = "5"
    & skf21("2","2","5","5","6","6","3","1") = "5"
    & skf21("2","2","5","5","6","6","4","1") = "5"
    & skf21("2","2","5","5","6","6","5","1") = "5"
    & skf21("2","2","5","5","6","6","6","1") = "5"
    & skf21("2","2","5","5","6","6","7","1") = "6"
    & skf21("2","2","5","5","6","7","1","1") = "6"
    & skf21("2","2","5","5","6","7","2","1") = "6"
    & skf21("2","2","5","5","6","7","3","1") = "6"
    & skf21("2","2","5","5","6","7","4","1") = "6"
    & skf21("2","2","5","5","6","7","5","1") = "6"
    & skf21("2","2","5","5","6","7","6","1") = "6"
    & skf21("2","2","5","5","6","7","7","1") = "6"
    & skf21("2","2","5","5","7","1","1","1") = "6"
    & skf21("2","2","5","5","7","1","2","1") = "6"
    & skf21("2","2","5","5","7","1","3","1") = "6"
    & skf21("2","2","5","5","7","1","4","1") = "6"
    & skf21("2","2","5","5","7","1","5","1") = "6"
    & skf21("2","2","5","5","7","1","6","1") = "6"
    & skf21("2","2","5","5","7","1","7","1") = "6"
    & skf21("2","2","5","5","7","2","1","1") = "6"
    & skf21("2","2","5","5","7","2","2","1") = "6"
    & skf21("2","2","5","5","7","2","3","1") = "6"
    & skf21("2","2","5","5","7","2","4","1") = "6"
    & skf21("2","2","5","5","7","2","5","1") = "6"
    & skf21("2","2","5","5","7","2","6","1") = "6"
    & skf21("2","2","5","5","7","2","7","1") = "6"
    & skf21("2","2","5","5","7","3","1","1") = "6"
    & skf21("2","2","5","5","7","3","2","1") = "6"
    & skf21("2","2","5","5","7","3","3","1") = "6"
    & skf21("2","2","5","5","7","3","4","1") = "6"
    & skf21("2","2","5","5","7","3","5","1") = "6"
    & skf21("2","2","5","5","7","3","6","1") = "6"
    & skf21("2","2","5","5","7","3","7","1") = "6"
    & skf21("2","2","5","5","7","4","1","1") = "6"
    & skf21("2","2","5","5","7","4","2","1") = "6"
    & skf21("2","2","5","5","7","4","3","1") = "6"
    & skf21("2","2","5","5","7","4","4","1") = "6"
    & skf21("2","2","5","5","7","4","5","1") = "6"
    & skf21("2","2","5","5","7","4","6","1") = "6"
    & skf21("2","2","5","5","7","4","7","1") = "6"
    & skf21("2","2","5","5","7","5","1","1") = "6"
    & skf21("2","2","5","5","7","5","2","1") = "6"
    & skf21("2","2","5","5","7","5","3","1") = "6"
    & skf21("2","2","5","5","7","5","4","1") = "6"
    & skf21("2","2","5","5","7","5","5","1") = "6"
    & skf21("2","2","5","5","7","5","6","1") = "6"
    & skf21("2","2","5","5","7","5","7","1") = "6"
    & skf21("2","2","5","5","7","6","1","1") = "6"
    & skf21("2","2","5","5","7","6","2","1") = "6"
    & skf21("2","2","5","5","7","6","3","1") = "6"
    & skf21("2","2","5","5","7","6","4","1") = "6"
    & skf21("2","2","5","5","7","6","5","1") = "6"
    & skf21("2","2","5","5","7","6","6","1") = "6"
    & skf21("2","2","5","5","7","6","7","1") = "6"
    & skf21("2","2","5","5","7","7","1","1") = "6"
    & skf21("2","2","5","5","7","7","2","1") = "6"
    & skf21("2","2","5","5","7","7","3","1") = "6"
    & skf21("2","2","5","5","7","7","4","1") = "6"
    & skf21("2","2","5","5","7","7","5","1") = "6"
    & skf21("2","2","5","5","7","7","6","1") = "6"
    & skf21("2","2","5","5","7","7","7","1") = "6"
    & skf21("2","2","5","6","1","1","1","1") = "5"
    & skf21("2","2","5","6","1","1","2","1") = "5"
    & skf21("2","2","5","6","1","1","3","1") = "5"
    & skf21("2","2","5","6","1","1","4","1") = "5"
    & skf21("2","2","5","6","1","1","5","1") = "5"
    & skf21("2","2","5","6","1","1","6","1") = "5"
    & skf21("2","2","5","6","1","1","7","1") = "6"
    & skf21("2","2","5","6","1","2","1","1") = "5"
    & skf21("2","2","5","6","1","2","2","1") = "5"
    & skf21("2","2","5","6","1","2","3","1") = "5"
    & skf21("2","2","5","6","1","2","4","1") = "5"
    & skf21("2","2","5","6","1","2","5","1") = "5"
    & skf21("2","2","5","6","1","2","6","1") = "5"
    & skf21("2","2","5","6","1","2","7","1") = "6"
    & skf21("2","2","5","6","1","3","1","1") = "5"
    & skf21("2","2","5","6","1","3","2","1") = "5"
    & skf21("2","2","5","6","1","3","3","1") = "5"
    & skf21("2","2","5","6","1","3","4","1") = "5"
    & skf21("2","2","5","6","1","3","5","1") = "5"
    & skf21("2","2","5","6","1","3","6","1") = "5"
    & skf21("2","2","5","6","1","3","7","1") = "6"
    & skf21("2","2","5","6","1","4","1","1") = "5"
    & skf21("2","2","5","6","1","4","2","1") = "5"
    & skf21("2","2","5","6","1","4","3","1") = "5"
    & skf21("2","2","5","6","1","4","4","1") = "5"
    & skf21("2","2","5","6","1","4","5","1") = "5"
    & skf21("2","2","5","6","1","4","6","1") = "5"
    & skf21("2","2","5","6","1","4","7","1") = "6"
    & skf21("2","2","5","6","1","5","1","1") = "5"
    & skf21("2","2","5","6","1","5","2","1") = "5"
    & skf21("2","2","5","6","1","5","3","1") = "5"
    & skf21("2","2","5","6","1","5","4","1") = "5"
    & skf21("2","2","5","6","1","5","5","1") = "5"
    & skf21("2","2","5","6","1","5","6","1") = "5"
    & skf21("2","2","5","6","1","5","7","1") = "6"
    & skf21("2","2","5","6","1","6","1","1") = "5"
    & skf21("2","2","5","6","1","6","2","1") = "5"
    & skf21("2","2","5","6","1","6","3","1") = "5"
    & skf21("2","2","5","6","1","6","4","1") = "5"
    & skf21("2","2","5","6","1","6","5","1") = "5"
    & skf21("2","2","5","6","1","6","6","1") = "5"
    & skf21("2","2","5","6","1","6","7","1") = "6"
    & skf21("2","2","5","6","1","7","1","1") = "6"
    & skf21("2","2","5","6","1","7","2","1") = "6"
    & skf21("2","2","5","6","1","7","3","1") = "6"
    & skf21("2","2","5","6","1","7","4","1") = "6"
    & skf21("2","2","5","6","1","7","5","1") = "6"
    & skf21("2","2","5","6","1","7","6","1") = "6"
    & skf21("2","2","5","6","1","7","7","1") = "6"
    & skf21("2","2","5","6","2","1","1","1") = "5"
    & skf21("2","2","5","6","2","1","2","1") = "5"
    & skf21("2","2","5","6","2","1","3","1") = "5"
    & skf21("2","2","5","6","2","1","4","1") = "5"
    & skf21("2","2","5","6","2","1","5","1") = "5"
    & skf21("2","2","5","6","2","1","6","1") = "5"
    & skf21("2","2","5","6","2","1","7","1") = "6"
    & skf21("2","2","5","6","2","2","1","1") = "5"
    & skf21("2","2","5","6","2","2","2","1") = "5"
    & skf21("2","2","5","6","2","2","3","1") = "5"
    & skf21("2","2","5","6","2","2","4","1") = "5"
    & skf21("2","2","5","6","2","2","5","1") = "5"
    & skf21("2","2","5","6","2","2","6","1") = "5"
    & skf21("2","2","5","6","2","2","7","1") = "6"
    & skf21("2","2","5","6","2","3","1","1") = "5"
    & skf21("2","2","5","6","2","3","2","1") = "5"
    & skf21("2","2","5","6","2","3","3","1") = "5"
    & skf21("2","2","5","6","2","3","4","1") = "5"
    & skf21("2","2","5","6","2","3","5","1") = "5"
    & skf21("2","2","5","6","2","3","6","1") = "5"
    & skf21("2","2","5","6","2","3","7","1") = "6"
    & skf21("2","2","5","6","2","4","1","1") = "5"
    & skf21("2","2","5","6","2","4","2","1") = "5"
    & skf21("2","2","5","6","2","4","3","1") = "5"
    & skf21("2","2","5","6","2","4","4","1") = "5"
    & skf21("2","2","5","6","2","4","5","1") = "5"
    & skf21("2","2","5","6","2","4","6","1") = "5"
    & skf21("2","2","5","6","2","4","7","1") = "6"
    & skf21("2","2","5","6","2","5","1","1") = "5"
    & skf21("2","2","5","6","2","5","2","1") = "5"
    & skf21("2","2","5","6","2","5","3","1") = "5"
    & skf21("2","2","5","6","2","5","4","1") = "5"
    & skf21("2","2","5","6","2","5","5","1") = "5"
    & skf21("2","2","5","6","2","5","6","1") = "5"
    & skf21("2","2","5","6","2","5","7","1") = "6"
    & skf21("2","2","5","6","2","6","1","1") = "5"
    & skf21("2","2","5","6","2","6","2","1") = "5"
    & skf21("2","2","5","6","2","6","3","1") = "5"
    & skf21("2","2","5","6","2","6","4","1") = "5"
    & skf21("2","2","5","6","2","6","5","1") = "5"
    & skf21("2","2","5","6","2","6","6","1") = "5"
    & skf21("2","2","5","6","2","6","7","1") = "6"
    & skf21("2","2","5","6","2","7","1","1") = "6"
    & skf21("2","2","5","6","2","7","2","1") = "6"
    & skf21("2","2","5","6","2","7","3","1") = "6"
    & skf21("2","2","5","6","2","7","4","1") = "6"
    & skf21("2","2","5","6","2","7","5","1") = "6"
    & skf21("2","2","5","6","2","7","6","1") = "6"
    & skf21("2","2","5","6","2","7","7","1") = "6"
    & skf21("2","2","5","6","3","1","1","1") = "5"
    & skf21("2","2","5","6","3","1","2","1") = "5"
    & skf21("2","2","5","6","3","1","3","1") = "5"
    & skf21("2","2","5","6","3","1","4","1") = "5"
    & skf21("2","2","5","6","3","1","5","1") = "5"
    & skf21("2","2","5","6","3","1","6","1") = "5"
    & skf21("2","2","5","6","3","1","7","1") = "6"
    & skf21("2","2","5","6","3","2","1","1") = "5"
    & skf21("2","2","5","6","3","2","2","1") = "5"
    & skf21("2","2","5","6","3","2","3","1") = "5"
    & skf21("2","2","5","6","3","2","4","1") = "5"
    & skf21("2","2","5","6","3","2","5","1") = "5"
    & skf21("2","2","5","6","3","2","6","1") = "5"
    & skf21("2","2","5","6","3","2","7","1") = "6"
    & skf21("2","2","5","6","3","3","1","1") = "5"
    & skf21("2","2","5","6","3","3","2","1") = "5"
    & skf21("2","2","5","6","3","3","3","1") = "5"
    & skf21("2","2","5","6","3","3","4","1") = "5"
    & skf21("2","2","5","6","3","3","5","1") = "5"
    & skf21("2","2","5","6","3","3","6","1") = "5"
    & skf21("2","2","5","6","3","3","7","1") = "6"
    & skf21("2","2","5","6","3","4","1","1") = "5"
    & skf21("2","2","5","6","3","4","2","1") = "5"
    & skf21("2","2","5","6","3","4","3","1") = "5"
    & skf21("2","2","5","6","3","4","4","1") = "5"
    & skf21("2","2","5","6","3","4","5","1") = "5"
    & skf21("2","2","5","6","3","4","6","1") = "5"
    & skf21("2","2","5","6","3","4","7","1") = "6"
    & skf21("2","2","5","6","3","5","1","1") = "5"
    & skf21("2","2","5","6","3","5","2","1") = "5"
    & skf21("2","2","5","6","3","5","3","1") = "5"
    & skf21("2","2","5","6","3","5","4","1") = "5"
    & skf21("2","2","5","6","3","5","5","1") = "5"
    & skf21("2","2","5","6","3","5","6","1") = "5"
    & skf21("2","2","5","6","3","5","7","1") = "6"
    & skf21("2","2","5","6","3","6","1","1") = "5"
    & skf21("2","2","5","6","3","6","2","1") = "5"
    & skf21("2","2","5","6","3","6","3","1") = "5"
    & skf21("2","2","5","6","3","6","4","1") = "5"
    & skf21("2","2","5","6","3","6","5","1") = "5"
    & skf21("2","2","5","6","3","6","6","1") = "5"
    & skf21("2","2","5","6","3","6","7","1") = "6"
    & skf21("2","2","5","6","3","7","1","1") = "6"
    & skf21("2","2","5","6","3","7","2","1") = "6"
    & skf21("2","2","5","6","3","7","3","1") = "6"
    & skf21("2","2","5","6","3","7","4","1") = "6"
    & skf21("2","2","5","6","3","7","5","1") = "6"
    & skf21("2","2","5","6","3","7","6","1") = "6"
    & skf21("2","2","5","6","3","7","7","1") = "6"
    & skf21("2","2","5","6","4","1","1","1") = "5"
    & skf21("2","2","5","6","4","1","2","1") = "5"
    & skf21("2","2","5","6","4","1","3","1") = "5"
    & skf21("2","2","5","6","4","1","4","1") = "5"
    & skf21("2","2","5","6","4","1","5","1") = "5"
    & skf21("2","2","5","6","4","1","6","1") = "5"
    & skf21("2","2","5","6","4","1","7","1") = "6"
    & skf21("2","2","5","6","4","2","1","1") = "5"
    & skf21("2","2","5","6","4","2","2","1") = "5"
    & skf21("2","2","5","6","4","2","3","1") = "5"
    & skf21("2","2","5","6","4","2","4","1") = "5"
    & skf21("2","2","5","6","4","2","5","1") = "5"
    & skf21("2","2","5","6","4","2","6","1") = "5"
    & skf21("2","2","5","6","4","2","7","1") = "6"
    & skf21("2","2","5","6","4","3","1","1") = "5"
    & skf21("2","2","5","6","4","3","2","1") = "5"
    & skf21("2","2","5","6","4","3","3","1") = "5"
    & skf21("2","2","5","6","4","3","4","1") = "5"
    & skf21("2","2","5","6","4","3","5","1") = "5"
    & skf21("2","2","5","6","4","3","6","1") = "5"
    & skf21("2","2","5","6","4","3","7","1") = "6"
    & skf21("2","2","5","6","4","4","1","1") = "5"
    & skf21("2","2","5","6","4","4","2","1") = "5"
    & skf21("2","2","5","6","4","4","3","1") = "5"
    & skf21("2","2","5","6","4","4","4","1") = "5"
    & skf21("2","2","5","6","4","4","5","1") = "5"
    & skf21("2","2","5","6","4","4","6","1") = "5"
    & skf21("2","2","5","6","4","4","7","1") = "6"
    & skf21("2","2","5","6","4","5","1","1") = "5"
    & skf21("2","2","5","6","4","5","2","1") = "5"
    & skf21("2","2","5","6","4","5","3","1") = "5"
    & skf21("2","2","5","6","4","5","4","1") = "5"
    & skf21("2","2","5","6","4","5","5","1") = "5"
    & skf21("2","2","5","6","4","5","6","1") = "5"
    & skf21("2","2","5","6","4","5","7","1") = "6"
    & skf21("2","2","5","6","4","6","1","1") = "5"
    & skf21("2","2","5","6","4","6","2","1") = "5"
    & skf21("2","2","5","6","4","6","3","1") = "5"
    & skf21("2","2","5","6","4","6","4","1") = "5"
    & skf21("2","2","5","6","4","6","5","1") = "5"
    & skf21("2","2","5","6","4","6","6","1") = "5"
    & skf21("2","2","5","6","4","6","7","1") = "6"
    & skf21("2","2","5","6","4","7","1","1") = "6"
    & skf21("2","2","5","6","4","7","2","1") = "6"
    & skf21("2","2","5","6","4","7","3","1") = "6"
    & skf21("2","2","5","6","4","7","4","1") = "6"
    & skf21("2","2","5","6","4","7","5","1") = "6"
    & skf21("2","2","5","6","4","7","6","1") = "6"
    & skf21("2","2","5","6","4","7","7","1") = "6"
    & skf21("2","2","5","6","5","1","1","1") = "5"
    & skf21("2","2","5","6","5","1","2","1") = "5"
    & skf21("2","2","5","6","5","1","3","1") = "5"
    & skf21("2","2","5","6","5","1","4","1") = "5"
    & skf21("2","2","5","6","5","1","5","1") = "5"
    & skf21("2","2","5","6","5","1","6","1") = "5"
    & skf21("2","2","5","6","5","1","7","1") = "6"
    & skf21("2","2","5","6","5","2","1","1") = "5"
    & skf21("2","2","5","6","5","2","2","1") = "5"
    & skf21("2","2","5","6","5","2","3","1") = "5"
    & skf21("2","2","5","6","5","2","4","1") = "5"
    & skf21("2","2","5","6","5","2","5","1") = "5"
    & skf21("2","2","5","6","5","2","6","1") = "5"
    & skf21("2","2","5","6","5","2","7","1") = "6"
    & skf21("2","2","5","6","5","3","1","1") = "5"
    & skf21("2","2","5","6","5","3","2","1") = "5"
    & skf21("2","2","5","6","5","3","3","1") = "5"
    & skf21("2","2","5","6","5","3","4","1") = "5"
    & skf21("2","2","5","6","5","3","5","1") = "5"
    & skf21("2","2","5","6","5","3","6","1") = "5"
    & skf21("2","2","5","6","5","3","7","1") = "6"
    & skf21("2","2","5","6","5","4","1","1") = "5"
    & skf21("2","2","5","6","5","4","2","1") = "5"
    & skf21("2","2","5","6","5","4","3","1") = "5"
    & skf21("2","2","5","6","5","4","4","1") = "5"
    & skf21("2","2","5","6","5","4","5","1") = "5"
    & skf21("2","2","5","6","5","4","6","1") = "5"
    & skf21("2","2","5","6","5","4","7","1") = "6"
    & skf21("2","2","5","6","5","5","1","1") = "5"
    & skf21("2","2","5","6","5","5","2","1") = "5"
    & skf21("2","2","5","6","5","5","3","1") = "5"
    & skf21("2","2","5","6","5","5","4","1") = "5"
    & skf21("2","2","5","6","5","5","5","1") = "5"
    & skf21("2","2","5","6","5","5","6","1") = "5"
    & skf21("2","2","5","6","5","5","7","1") = "6"
    & skf21("2","2","5","6","5","6","1","1") = "5"
    & skf21("2","2","5","6","5","6","2","1") = "5"
    & skf21("2","2","5","6","5","6","3","1") = "5"
    & skf21("2","2","5","6","5","6","4","1") = "5"
    & skf21("2","2","5","6","5","6","5","1") = "5"
    & skf21("2","2","5","6","5","6","6","1") = "5"
    & skf21("2","2","5","6","5","6","7","1") = "6"
    & skf21("2","2","5","6","5","7","1","1") = "6"
    & skf21("2","2","5","6","5","7","2","1") = "6"
    & skf21("2","2","5","6","5","7","3","1") = "6"
    & skf21("2","2","5","6","5","7","4","1") = "6"
    & skf21("2","2","5","6","5","7","5","1") = "6"
    & skf21("2","2","5","6","5","7","6","1") = "6"
    & skf21("2","2","5","6","5","7","7","1") = "6"
    & skf21("2","2","5","6","6","1","1","1") = "5"
    & skf21("2","2","5","6","6","1","2","1") = "5"
    & skf21("2","2","5","6","6","1","3","1") = "5"
    & skf21("2","2","5","6","6","1","4","1") = "5"
    & skf21("2","2","5","6","6","1","5","1") = "5"
    & skf21("2","2","5","6","6","1","6","1") = "5"
    & skf21("2","2","5","6","6","1","7","1") = "6"
    & skf21("2","2","5","6","6","2","1","1") = "5"
    & skf21("2","2","5","6","6","2","2","1") = "5"
    & skf21("2","2","5","6","6","2","3","1") = "5"
    & skf21("2","2","5","6","6","2","4","1") = "5"
    & skf21("2","2","5","6","6","2","5","1") = "5"
    & skf21("2","2","5","6","6","2","6","1") = "5"
    & skf21("2","2","5","6","6","2","7","1") = "6"
    & skf21("2","2","5","6","6","3","1","1") = "5"
    & skf21("2","2","5","6","6","3","2","1") = "5"
    & skf21("2","2","5","6","6","3","3","1") = "5"
    & skf21("2","2","5","6","6","3","4","1") = "5"
    & skf21("2","2","5","6","6","3","5","1") = "5"
    & skf21("2","2","5","6","6","3","6","1") = "5"
    & skf21("2","2","5","6","6","3","7","1") = "6"
    & skf21("2","2","5","6","6","4","1","1") = "5"
    & skf21("2","2","5","6","6","4","2","1") = "5"
    & skf21("2","2","5","6","6","4","3","1") = "5"
    & skf21("2","2","5","6","6","4","4","1") = "5"
    & skf21("2","2","5","6","6","4","5","1") = "5"
    & skf21("2","2","5","6","6","4","6","1") = "5"
    & skf21("2","2","5","6","6","4","7","1") = "6"
    & skf21("2","2","5","6","6","5","1","1") = "5"
    & skf21("2","2","5","6","6","5","2","1") = "5"
    & skf21("2","2","5","6","6","5","3","1") = "5"
    & skf21("2","2","5","6","6","5","4","1") = "5"
    & skf21("2","2","5","6","6","5","5","1") = "5"
    & skf21("2","2","5","6","6","5","6","1") = "5"
    & skf21("2","2","5","6","6","5","7","1") = "6"
    & skf21("2","2","5","6","6","6","1","1") = "5"
    & skf21("2","2","5","6","6","6","2","1") = "5"
    & skf21("2","2","5","6","6","6","3","1") = "5"
    & skf21("2","2","5","6","6","6","4","1") = "5"
    & skf21("2","2","5","6","6","6","5","1") = "5"
    & skf21("2","2","5","6","6","6","6","1") = "5"
    & skf21("2","2","5","6","6","6","7","1") = "6"
    & skf21("2","2","5","6","6","7","1","1") = "6"
    & skf21("2","2","5","6","6","7","2","1") = "6"
    & skf21("2","2","5","6","6","7","3","1") = "6"
    & skf21("2","2","5","6","6","7","4","1") = "6"
    & skf21("2","2","5","6","6","7","5","1") = "6"
    & skf21("2","2","5","6","6","7","6","1") = "6"
    & skf21("2","2","5","6","6","7","7","1") = "6"
    & skf21("2","2","5","6","7","1","1","1") = "6"
    & skf21("2","2","5","6","7","1","2","1") = "6"
    & skf21("2","2","5","6","7","1","3","1") = "6"
    & skf21("2","2","5","6","7","1","4","1") = "6"
    & skf21("2","2","5","6","7","1","5","1") = "6"
    & skf21("2","2","5","6","7","1","6","1") = "6"
    & skf21("2","2","5","6","7","1","7","1") = "6"
    & skf21("2","2","5","6","7","2","1","1") = "6"
    & skf21("2","2","5","6","7","2","2","1") = "6"
    & skf21("2","2","5","6","7","2","3","1") = "6"
    & skf21("2","2","5","6","7","2","4","1") = "6"
    & skf21("2","2","5","6","7","2","5","1") = "6"
    & skf21("2","2","5","6","7","2","6","1") = "6"
    & skf21("2","2","5","6","7","2","7","1") = "6"
    & skf21("2","2","5","6","7","3","1","1") = "6"
    & skf21("2","2","5","6","7","3","2","1") = "6"
    & skf21("2","2","5","6","7","3","3","1") = "6"
    & skf21("2","2","5","6","7","3","4","1") = "6"
    & skf21("2","2","5","6","7","3","5","1") = "6"
    & skf21("2","2","5","6","7","3","6","1") = "6"
    & skf21("2","2","5","6","7","3","7","1") = "6"
    & skf21("2","2","5","6","7","4","1","1") = "6"
    & skf21("2","2","5","6","7","4","2","1") = "6"
    & skf21("2","2","5","6","7","4","3","1") = "6"
    & skf21("2","2","5","6","7","4","4","1") = "6"
    & skf21("2","2","5","6","7","4","5","1") = "6"
    & skf21("2","2","5","6","7","4","6","1") = "6"
    & skf21("2","2","5","6","7","4","7","1") = "6"
    & skf21("2","2","5","6","7","5","1","1") = "6"
    & skf21("2","2","5","6","7","5","2","1") = "6"
    & skf21("2","2","5","6","7","5","3","1") = "6"
    & skf21("2","2","5","6","7","5","4","1") = "6"
    & skf21("2","2","5","6","7","5","5","1") = "6"
    & skf21("2","2","5","6","7","5","6","1") = "6"
    & skf21("2","2","5","6","7","5","7","1") = "6"
    & skf21("2","2","5","6","7","6","1","1") = "6"
    & skf21("2","2","5","6","7","6","2","1") = "6"
    & skf21("2","2","5","6","7","6","3","1") = "6"
    & skf21("2","2","5","6","7","6","4","1") = "6"
    & skf21("2","2","5","6","7","6","5","1") = "6"
    & skf21("2","2","5","6","7","6","6","1") = "6"
    & skf21("2","2","5","6","7","6","7","1") = "6"
    & skf21("2","2","5","6","7","7","1","1") = "6"
    & skf21("2","2","5","6","7","7","2","1") = "6"
    & skf21("2","2","5","6","7","7","3","1") = "6"
    & skf21("2","2","5","6","7","7","4","1") = "6"
    & skf21("2","2","5","6","7","7","5","1") = "6"
    & skf21("2","2","5","6","7","7","6","1") = "6"
    & skf21("2","2","5","6","7","7","7","1") = "6"
    & skf21("2","2","5","7","1","1","1","1") = "6"
    & skf21("2","2","5","7","1","1","2","1") = "6"
    & skf21("2","2","5","7","1","1","3","1") = "6"
    & skf21("2","2","5","7","1","1","4","1") = "6"
    & skf21("2","2","5","7","1","1","5","1") = "6"
    & skf21("2","2","5","7","1","1","6","1") = "6"
    & skf21("2","2","5","7","1","1","7","1") = "6"
    & skf21("2","2","5","7","1","2","1","1") = "6"
    & skf21("2","2","5","7","1","2","2","1") = "6"
    & skf21("2","2","5","7","1","2","3","1") = "6"
    & skf21("2","2","5","7","1","2","4","1") = "6"
    & skf21("2","2","5","7","1","2","5","1") = "6"
    & skf21("2","2","5","7","1","2","6","1") = "6"
    & skf21("2","2","5","7","1","2","7","1") = "6"
    & skf21("2","2","5","7","1","3","1","1") = "6"
    & skf21("2","2","5","7","1","3","2","1") = "6"
    & skf21("2","2","5","7","1","3","3","1") = "6"
    & skf21("2","2","5","7","1","3","4","1") = "6"
    & skf21("2","2","5","7","1","3","5","1") = "6"
    & skf21("2","2","5","7","1","3","6","1") = "6"
    & skf21("2","2","5","7","1","3","7","1") = "6"
    & skf21("2","2","5","7","1","4","1","1") = "6"
    & skf21("2","2","5","7","1","4","2","1") = "6"
    & skf21("2","2","5","7","1","4","3","1") = "6"
    & skf21("2","2","5","7","1","4","4","1") = "6"
    & skf21("2","2","5","7","1","4","5","1") = "6"
    & skf21("2","2","5","7","1","4","6","1") = "6"
    & skf21("2","2","5","7","1","4","7","1") = "6"
    & skf21("2","2","5","7","1","5","1","1") = "6"
    & skf21("2","2","5","7","1","5","2","1") = "6"
    & skf21("2","2","5","7","1","5","3","1") = "6"
    & skf21("2","2","5","7","1","5","4","1") = "6"
    & skf21("2","2","5","7","1","5","5","1") = "6"
    & skf21("2","2","5","7","1","5","6","1") = "6"
    & skf21("2","2","5","7","1","5","7","1") = "6"
    & skf21("2","2","5","7","1","6","1","1") = "6"
    & skf21("2","2","5","7","1","6","2","1") = "6"
    & skf21("2","2","5","7","1","6","3","1") = "6"
    & skf21("2","2","5","7","1","6","4","1") = "6"
    & skf21("2","2","5","7","1","6","5","1") = "6"
    & skf21("2","2","5","7","1","6","6","1") = "6"
    & skf21("2","2","5","7","1","6","7","1") = "6"
    & skf21("2","2","5","7","1","7","1","1") = "6"
    & skf21("2","2","5","7","1","7","2","1") = "6"
    & skf21("2","2","5","7","1","7","3","1") = "6"
    & skf21("2","2","5","7","1","7","4","1") = "6"
    & skf21("2","2","5","7","1","7","5","1") = "6"
    & skf21("2","2","5","7","1","7","6","1") = "6"
    & skf21("2","2","5","7","1","7","7","1") = "6"
    & skf21("2","2","5","7","2","1","1","1") = "6"
    & skf21("2","2","5","7","2","1","2","1") = "6"
    & skf21("2","2","5","7","2","1","3","1") = "6"
    & skf21("2","2","5","7","2","1","4","1") = "6"
    & skf21("2","2","5","7","2","1","5","1") = "6"
    & skf21("2","2","5","7","2","1","6","1") = "6"
    & skf21("2","2","5","7","2","1","7","1") = "6"
    & skf21("2","2","5","7","2","2","1","1") = "6"
    & skf21("2","2","5","7","2","2","2","1") = "6"
    & skf21("2","2","5","7","2","2","3","1") = "6"
    & skf21("2","2","5","7","2","2","4","1") = "6"
    & skf21("2","2","5","7","2","2","5","1") = "6"
    & skf21("2","2","5","7","2","2","6","1") = "6"
    & skf21("2","2","5","7","2","2","7","1") = "6"
    & skf21("2","2","5","7","2","3","1","1") = "6"
    & skf21("2","2","5","7","2","3","2","1") = "6"
    & skf21("2","2","5","7","2","3","3","1") = "6"
    & skf21("2","2","5","7","2","3","4","1") = "6"
    & skf21("2","2","5","7","2","3","5","1") = "6"
    & skf21("2","2","5","7","2","3","6","1") = "6"
    & skf21("2","2","5","7","2","3","7","1") = "6"
    & skf21("2","2","5","7","2","4","1","1") = "6"
    & skf21("2","2","5","7","2","4","2","1") = "6"
    & skf21("2","2","5","7","2","4","3","1") = "6"
    & skf21("2","2","5","7","2","4","4","1") = "6"
    & skf21("2","2","5","7","2","4","5","1") = "6"
    & skf21("2","2","5","7","2","4","6","1") = "6"
    & skf21("2","2","5","7","2","4","7","1") = "6"
    & skf21("2","2","5","7","2","5","1","1") = "6"
    & skf21("2","2","5","7","2","5","2","1") = "6"
    & skf21("2","2","5","7","2","5","3","1") = "6"
    & skf21("2","2","5","7","2","5","4","1") = "6"
    & skf21("2","2","5","7","2","5","5","1") = "6"
    & skf21("2","2","5","7","2","5","6","1") = "6"
    & skf21("2","2","5","7","2","5","7","1") = "6"
    & skf21("2","2","5","7","2","6","1","1") = "6"
    & skf21("2","2","5","7","2","6","2","1") = "6"
    & skf21("2","2","5","7","2","6","3","1") = "6"
    & skf21("2","2","5","7","2","6","4","1") = "6"
    & skf21("2","2","5","7","2","6","5","1") = "6"
    & skf21("2","2","5","7","2","6","6","1") = "6"
    & skf21("2","2","5","7","2","6","7","1") = "6"
    & skf21("2","2","5","7","2","7","1","1") = "6"
    & skf21("2","2","5","7","2","7","2","1") = "6"
    & skf21("2","2","5","7","2","7","3","1") = "6"
    & skf21("2","2","5","7","2","7","4","1") = "6"
    & skf21("2","2","5","7","2","7","5","1") = "6"
    & skf21("2","2","5","7","2","7","6","1") = "6"
    & skf21("2","2","5","7","2","7","7","1") = "6"
    & skf21("2","2","5","7","3","1","1","1") = "6"
    & skf21("2","2","5","7","3","1","2","1") = "6"
    & skf21("2","2","5","7","3","1","3","1") = "6"
    & skf21("2","2","5","7","3","1","4","1") = "6"
    & skf21("2","2","5","7","3","1","5","1") = "6"
    & skf21("2","2","5","7","3","1","6","1") = "6"
    & skf21("2","2","5","7","3","1","7","1") = "6"
    & skf21("2","2","5","7","3","2","1","1") = "6"
    & skf21("2","2","5","7","3","2","2","1") = "6"
    & skf21("2","2","5","7","3","2","3","1") = "6"
    & skf21("2","2","5","7","3","2","4","1") = "6"
    & skf21("2","2","5","7","3","2","5","1") = "6"
    & skf21("2","2","5","7","3","2","6","1") = "6"
    & skf21("2","2","5","7","3","2","7","1") = "6"
    & skf21("2","2","5","7","3","3","1","1") = "6"
    & skf21("2","2","5","7","3","3","2","1") = "6"
    & skf21("2","2","5","7","3","3","3","1") = "6"
    & skf21("2","2","5","7","3","3","4","1") = "6"
    & skf21("2","2","5","7","3","3","5","1") = "6"
    & skf21("2","2","5","7","3","3","6","1") = "6"
    & skf21("2","2","5","7","3","3","7","1") = "6"
    & skf21("2","2","5","7","3","4","1","1") = "6"
    & skf21("2","2","5","7","3","4","2","1") = "6"
    & skf21("2","2","5","7","3","4","3","1") = "6"
    & skf21("2","2","5","7","3","4","4","1") = "6"
    & skf21("2","2","5","7","3","4","5","1") = "6"
    & skf21("2","2","5","7","3","4","6","1") = "6"
    & skf21("2","2","5","7","3","4","7","1") = "6"
    & skf21("2","2","5","7","3","5","1","1") = "6"
    & skf21("2","2","5","7","3","5","2","1") = "6"
    & skf21("2","2","5","7","3","5","3","1") = "6"
    & skf21("2","2","5","7","3","5","4","1") = "6"
    & skf21("2","2","5","7","3","5","5","1") = "6"
    & skf21("2","2","5","7","3","5","6","1") = "6"
    & skf21("2","2","5","7","3","5","7","1") = "6"
    & skf21("2","2","5","7","3","6","1","1") = "6"
    & skf21("2","2","5","7","3","6","2","1") = "6"
    & skf21("2","2","5","7","3","6","3","1") = "6"
    & skf21("2","2","5","7","3","6","4","1") = "6"
    & skf21("2","2","5","7","3","6","5","1") = "6"
    & skf21("2","2","5","7","3","6","6","1") = "6"
    & skf21("2","2","5","7","3","6","7","1") = "6"
    & skf21("2","2","5","7","3","7","1","1") = "6"
    & skf21("2","2","5","7","3","7","2","1") = "6"
    & skf21("2","2","5","7","3","7","3","1") = "6"
    & skf21("2","2","5","7","3","7","4","1") = "6"
    & skf21("2","2","5","7","3","7","5","1") = "6"
    & skf21("2","2","5","7","3","7","6","1") = "6"
    & skf21("2","2","5","7","3","7","7","1") = "6"
    & skf21("2","2","5","7","4","1","1","1") = "6"
    & skf21("2","2","5","7","4","1","2","1") = "6"
    & skf21("2","2","5","7","4","1","3","1") = "6"
    & skf21("2","2","5","7","4","1","4","1") = "6"
    & skf21("2","2","5","7","4","1","5","1") = "6"
    & skf21("2","2","5","7","4","1","6","1") = "6"
    & skf21("2","2","5","7","4","1","7","1") = "6"
    & skf21("2","2","5","7","4","2","1","1") = "6"
    & skf21("2","2","5","7","4","2","2","1") = "6"
    & skf21("2","2","5","7","4","2","3","1") = "6"
    & skf21("2","2","5","7","4","2","4","1") = "6"
    & skf21("2","2","5","7","4","2","5","1") = "6"
    & skf21("2","2","5","7","4","2","6","1") = "6"
    & skf21("2","2","5","7","4","2","7","1") = "6"
    & skf21("2","2","5","7","4","3","1","1") = "6"
    & skf21("2","2","5","7","4","3","2","1") = "6"
    & skf21("2","2","5","7","4","3","3","1") = "6"
    & skf21("2","2","5","7","4","3","4","1") = "6"
    & skf21("2","2","5","7","4","3","5","1") = "6"
    & skf21("2","2","5","7","4","3","6","1") = "6"
    & skf21("2","2","5","7","4","3","7","1") = "6"
    & skf21("2","2","5","7","4","4","1","1") = "6"
    & skf21("2","2","5","7","4","4","2","1") = "6"
    & skf21("2","2","5","7","4","4","3","1") = "6"
    & skf21("2","2","5","7","4","4","4","1") = "6"
    & skf21("2","2","5","7","4","4","5","1") = "6"
    & skf21("2","2","5","7","4","4","6","1") = "6"
    & skf21("2","2","5","7","4","4","7","1") = "6"
    & skf21("2","2","5","7","4","5","1","1") = "6"
    & skf21("2","2","5","7","4","5","2","1") = "6"
    & skf21("2","2","5","7","4","5","3","1") = "6"
    & skf21("2","2","5","7","4","5","4","1") = "6"
    & skf21("2","2","5","7","4","5","5","1") = "6"
    & skf21("2","2","5","7","4","5","6","1") = "6"
    & skf21("2","2","5","7","4","5","7","1") = "6"
    & skf21("2","2","5","7","4","6","1","1") = "6"
    & skf21("2","2","5","7","4","6","2","1") = "6"
    & skf21("2","2","5","7","4","6","3","1") = "6"
    & skf21("2","2","5","7","4","6","4","1") = "6"
    & skf21("2","2","5","7","4","6","5","1") = "6"
    & skf21("2","2","5","7","4","6","6","1") = "6"
    & skf21("2","2","5","7","4","6","7","1") = "6"
    & skf21("2","2","5","7","4","7","1","1") = "6"
    & skf21("2","2","5","7","4","7","2","1") = "6"
    & skf21("2","2","5","7","4","7","3","1") = "6"
    & skf21("2","2","5","7","4","7","4","1") = "6"
    & skf21("2","2","5","7","4","7","5","1") = "6"
    & skf21("2","2","5","7","4","7","6","1") = "6"
    & skf21("2","2","5","7","4","7","7","1") = "6"
    & skf21("2","2","5","7","5","1","1","1") = "6"
    & skf21("2","2","5","7","5","1","2","1") = "6"
    & skf21("2","2","5","7","5","1","3","1") = "6"
    & skf21("2","2","5","7","5","1","4","1") = "6"
    & skf21("2","2","5","7","5","1","5","1") = "6"
    & skf21("2","2","5","7","5","1","6","1") = "6"
    & skf21("2","2","5","7","5","1","7","1") = "6"
    & skf21("2","2","5","7","5","2","1","1") = "6"
    & skf21("2","2","5","7","5","2","2","1") = "6"
    & skf21("2","2","5","7","5","2","3","1") = "6"
    & skf21("2","2","5","7","5","2","4","1") = "6"
    & skf21("2","2","5","7","5","2","5","1") = "6"
    & skf21("2","2","5","7","5","2","6","1") = "6"
    & skf21("2","2","5","7","5","2","7","1") = "6"
    & skf21("2","2","5","7","5","3","1","1") = "6"
    & skf21("2","2","5","7","5","3","2","1") = "6"
    & skf21("2","2","5","7","5","3","3","1") = "6"
    & skf21("2","2","5","7","5","3","4","1") = "6"
    & skf21("2","2","5","7","5","3","5","1") = "6"
    & skf21("2","2","5","7","5","3","6","1") = "6"
    & skf21("2","2","5","7","5","3","7","1") = "6"
    & skf21("2","2","5","7","5","4","1","1") = "6"
    & skf21("2","2","5","7","5","4","2","1") = "6"
    & skf21("2","2","5","7","5","4","3","1") = "6"
    & skf21("2","2","5","7","5","4","4","1") = "6"
    & skf21("2","2","5","7","5","4","5","1") = "6"
    & skf21("2","2","5","7","5","4","6","1") = "6"
    & skf21("2","2","5","7","5","4","7","1") = "6"
    & skf21("2","2","5","7","5","5","1","1") = "6"
    & skf21("2","2","5","7","5","5","2","1") = "6"
    & skf21("2","2","5","7","5","5","3","1") = "6"
    & skf21("2","2","5","7","5","5","4","1") = "6"
    & skf21("2","2","5","7","5","5","5","1") = "6"
    & skf21("2","2","5","7","5","5","6","1") = "6"
    & skf21("2","2","5","7","5","5","7","1") = "6"
    & skf21("2","2","5","7","5","6","1","1") = "6"
    & skf21("2","2","5","7","5","6","2","1") = "6"
    & skf21("2","2","5","7","5","6","3","1") = "6"
    & skf21("2","2","5","7","5","6","4","1") = "6"
    & skf21("2","2","5","7","5","6","5","1") = "6"
    & skf21("2","2","5","7","5","6","6","1") = "6"
    & skf21("2","2","5","7","5","6","7","1") = "6"
    & skf21("2","2","5","7","5","7","1","1") = "6"
    & skf21("2","2","5","7","5","7","2","1") = "6"
    & skf21("2","2","5","7","5","7","3","1") = "6"
    & skf21("2","2","5","7","5","7","4","1") = "6"
    & skf21("2","2","5","7","5","7","5","1") = "6"
    & skf21("2","2","5","7","5","7","6","1") = "6"
    & skf21("2","2","5","7","5","7","7","1") = "6"
    & skf21("2","2","5","7","6","1","1","1") = "6"
    & skf21("2","2","5","7","6","1","2","1") = "6"
    & skf21("2","2","5","7","6","1","3","1") = "6"
    & skf21("2","2","5","7","6","1","4","1") = "6"
    & skf21("2","2","5","7","6","1","5","1") = "6"
    & skf21("2","2","5","7","6","1","6","1") = "6"
    & skf21("2","2","5","7","6","1","7","1") = "6"
    & skf21("2","2","5","7","6","2","1","1") = "6"
    & skf21("2","2","5","7","6","2","2","1") = "6"
    & skf21("2","2","5","7","6","2","3","1") = "6"
    & skf21("2","2","5","7","6","2","4","1") = "6"
    & skf21("2","2","5","7","6","2","5","1") = "6"
    & skf21("2","2","5","7","6","2","6","1") = "6"
    & skf21("2","2","5","7","6","2","7","1") = "6"
    & skf21("2","2","5","7","6","3","1","1") = "6"
    & skf21("2","2","5","7","6","3","2","1") = "6"
    & skf21("2","2","5","7","6","3","3","1") = "6"
    & skf21("2","2","5","7","6","3","4","1") = "6"
    & skf21("2","2","5","7","6","3","5","1") = "6"
    & skf21("2","2","5","7","6","3","6","1") = "6"
    & skf21("2","2","5","7","6","3","7","1") = "6"
    & skf21("2","2","5","7","6","4","1","1") = "6"
    & skf21("2","2","5","7","6","4","2","1") = "6"
    & skf21("2","2","5","7","6","4","3","1") = "6"
    & skf21("2","2","5","7","6","4","4","1") = "6"
    & skf21("2","2","5","7","6","4","5","1") = "6"
    & skf21("2","2","5","7","6","4","6","1") = "6"
    & skf21("2","2","5","7","6","4","7","1") = "6"
    & skf21("2","2","5","7","6","5","1","1") = "6"
    & skf21("2","2","5","7","6","5","2","1") = "6"
    & skf21("2","2","5","7","6","5","3","1") = "6"
    & skf21("2","2","5","7","6","5","4","1") = "6"
    & skf21("2","2","5","7","6","5","5","1") = "6"
    & skf21("2","2","5","7","6","5","6","1") = "6"
    & skf21("2","2","5","7","6","5","7","1") = "6"
    & skf21("2","2","5","7","6","6","1","1") = "6"
    & skf21("2","2","5","7","6","6","2","1") = "6"
    & skf21("2","2","5","7","6","6","3","1") = "6"
    & skf21("2","2","5","7","6","6","4","1") = "6"
    & skf21("2","2","5","7","6","6","5","1") = "6"
    & skf21("2","2","5","7","6","6","6","1") = "6"
    & skf21("2","2","5","7","6","6","7","1") = "6"
    & skf21("2","2","5","7","6","7","1","1") = "6"
    & skf21("2","2","5","7","6","7","2","1") = "6"
    & skf21("2","2","5","7","6","7","3","1") = "6"
    & skf21("2","2","5","7","6","7","4","1") = "6"
    & skf21("2","2","5","7","6","7","5","1") = "6"
    & skf21("2","2","5","7","6","7","6","1") = "6"
    & skf21("2","2","5","7","6","7","7","1") = "6"
    & skf21("2","2","5","7","7","1","1","1") = "6"
    & skf21("2","2","5","7","7","1","2","1") = "6"
    & skf21("2","2","5","7","7","1","3","1") = "6"
    & skf21("2","2","5","7","7","1","4","1") = "6"
    & skf21("2","2","5","7","7","1","5","1") = "6"
    & skf21("2","2","5","7","7","1","6","1") = "6"
    & skf21("2","2","5","7","7","1","7","1") = "6"
    & skf21("2","2","5","7","7","2","1","1") = "6"
    & skf21("2","2","5","7","7","2","2","1") = "6"
    & skf21("2","2","5","7","7","2","3","1") = "6"
    & skf21("2","2","5","7","7","2","4","1") = "6"
    & skf21("2","2","5","7","7","2","5","1") = "6"
    & skf21("2","2","5","7","7","2","6","1") = "6"
    & skf21("2","2","5","7","7","2","7","1") = "6"
    & skf21("2","2","5","7","7","3","1","1") = "6"
    & skf21("2","2","5","7","7","3","2","1") = "6"
    & skf21("2","2","5","7","7","3","3","1") = "6"
    & skf21("2","2","5","7","7","3","4","1") = "6"
    & skf21("2","2","5","7","7","3","5","1") = "6"
    & skf21("2","2","5","7","7","3","6","1") = "6"
    & skf21("2","2","5","7","7","3","7","1") = "6"
    & skf21("2","2","5","7","7","4","1","1") = "6"
    & skf21("2","2","5","7","7","4","2","1") = "6"
    & skf21("2","2","5","7","7","4","3","1") = "6"
    & skf21("2","2","5","7","7","4","4","1") = "6"
    & skf21("2","2","5","7","7","4","5","1") = "6"
    & skf21("2","2","5","7","7","4","6","1") = "6"
    & skf21("2","2","5","7","7","4","7","1") = "6"
    & skf21("2","2","5","7","7","5","1","1") = "6"
    & skf21("2","2","5","7","7","5","2","1") = "6"
    & skf21("2","2","5","7","7","5","3","1") = "6"
    & skf21("2","2","5","7","7","5","4","1") = "6"
    & skf21("2","2","5","7","7","5","5","1") = "6"
    & skf21("2","2","5","7","7","5","6","1") = "6"
    & skf21("2","2","5","7","7","5","7","1") = "6"
    & skf21("2","2","5","7","7","6","1","1") = "6"
    & skf21("2","2","5","7","7","6","2","1") = "6"
    & skf21("2","2","5","7","7","6","3","1") = "6"
    & skf21("2","2","5","7","7","6","4","1") = "6"
    & skf21("2","2","5","7","7","6","5","1") = "6"
    & skf21("2","2","5","7","7","6","6","1") = "6"
    & skf21("2","2","5","7","7","6","7","1") = "6"
    & skf21("2","2","5","7","7","7","1","1") = "6"
    & skf21("2","2","5","7","7","7","2","1") = "6"
    & skf21("2","2","5","7","7","7","3","1") = "6"
    & skf21("2","2","5","7","7","7","4","1") = "6"
    & skf21("2","2","5","7","7","7","5","1") = "6"
    & skf21("2","2","5","7","7","7","6","1") = "6"
    & skf21("2","2","5","7","7","7","7","1") = "6"
    & skf21("2","2","6","1","1","1","1","1") = "5"
    & skf21("2","2","6","1","1","1","2","1") = "5"
    & skf21("2","2","6","1","1","1","3","1") = "5"
    & skf21("2","2","6","1","1","1","4","1") = "5"
    & skf21("2","2","6","1","1","1","5","1") = "5"
    & skf21("2","2","6","1","1","1","6","1") = "5"
    & skf21("2","2","6","1","1","1","7","1") = "6"
    & skf21("2","2","6","1","1","2","1","1") = "5"
    & skf21("2","2","6","1","1","2","2","1") = "5"
    & skf21("2","2","6","1","1","2","3","1") = "5"
    & skf21("2","2","6","1","1","2","4","1") = "5"
    & skf21("2","2","6","1","1","2","5","1") = "5"
    & skf21("2","2","6","1","1","2","6","1") = "5"
    & skf21("2","2","6","1","1","2","7","1") = "6"
    & skf21("2","2","6","1","1","3","1","1") = "5"
    & skf21("2","2","6","1","1","3","2","1") = "5"
    & skf21("2","2","6","1","1","3","3","1") = "5"
    & skf21("2","2","6","1","1","3","4","1") = "5"
    & skf21("2","2","6","1","1","3","5","1") = "5"
    & skf21("2","2","6","1","1","3","6","1") = "5"
    & skf21("2","2","6","1","1","3","7","1") = "6"
    & skf21("2","2","6","1","1","4","1","1") = "5"
    & skf21("2","2","6","1","1","4","2","1") = "5"
    & skf21("2","2","6","1","1","4","3","1") = "5"
    & skf21("2","2","6","1","1","4","4","1") = "5"
    & skf21("2","2","6","1","1","4","5","1") = "5"
    & skf21("2","2","6","1","1","4","6","1") = "5"
    & skf21("2","2","6","1","1","4","7","1") = "6"
    & skf21("2","2","6","1","1","5","1","1") = "5"
    & skf21("2","2","6","1","1","5","2","1") = "5"
    & skf21("2","2","6","1","1","5","3","1") = "5"
    & skf21("2","2","6","1","1","5","4","1") = "5"
    & skf21("2","2","6","1","1","5","5","1") = "5"
    & skf21("2","2","6","1","1","5","6","1") = "5"
    & skf21("2","2","6","1","1","5","7","1") = "6"
    & skf21("2","2","6","1","1","6","1","1") = "5"
    & skf21("2","2","6","1","1","6","2","1") = "5"
    & skf21("2","2","6","1","1","6","3","1") = "5"
    & skf21("2","2","6","1","1","6","4","1") = "5"
    & skf21("2","2","6","1","1","6","5","1") = "5"
    & skf21("2","2","6","1","1","6","6","1") = "5"
    & skf21("2","2","6","1","1","6","7","1") = "6"
    & skf21("2","2","6","1","1","7","1","1") = "6"
    & skf21("2","2","6","1","1","7","2","1") = "6"
    & skf21("2","2","6","1","1","7","3","1") = "6"
    & skf21("2","2","6","1","1","7","4","1") = "6"
    & skf21("2","2","6","1","1","7","5","1") = "6"
    & skf21("2","2","6","1","1","7","6","1") = "6"
    & skf21("2","2","6","1","1","7","7","1") = "6"
    & skf21("2","2","6","1","2","1","1","1") = "5"
    & skf21("2","2","6","1","2","1","2","1") = "5"
    & skf21("2","2","6","1","2","1","3","1") = "5"
    & skf21("2","2","6","1","2","1","4","1") = "5"
    & skf21("2","2","6","1","2","1","5","1") = "5"
    & skf21("2","2","6","1","2","1","6","1") = "5"
    & skf21("2","2","6","1","2","1","7","1") = "6"
    & skf21("2","2","6","1","2","2","1","1") = "5"
    & skf21("2","2","6","1","2","2","2","1") = "5"
    & skf21("2","2","6","1","2","2","3","1") = "5"
    & skf21("2","2","6","1","2","2","4","1") = "5"
    & skf21("2","2","6","1","2","2","5","1") = "5"
    & skf21("2","2","6","1","2","2","6","1") = "5"
    & skf21("2","2","6","1","2","2","7","1") = "6"
    & skf21("2","2","6","1","2","3","1","1") = "5"
    & skf21("2","2","6","1","2","3","2","1") = "5"
    & skf21("2","2","6","1","2","3","3","1") = "5"
    & skf21("2","2","6","1","2","3","4","1") = "5"
    & skf21("2","2","6","1","2","3","5","1") = "5"
    & skf21("2","2","6","1","2","3","6","1") = "5"
    & skf21("2","2","6","1","2","3","7","1") = "6"
    & skf21("2","2","6","1","2","4","1","1") = "5"
    & skf21("2","2","6","1","2","4","2","1") = "5"
    & skf21("2","2","6","1","2","4","3","1") = "5"
    & skf21("2","2","6","1","2","4","4","1") = "5"
    & skf21("2","2","6","1","2","4","5","1") = "5"
    & skf21("2","2","6","1","2","4","6","1") = "5"
    & skf21("2","2","6","1","2","4","7","1") = "6"
    & skf21("2","2","6","1","2","5","1","1") = "5"
    & skf21("2","2","6","1","2","5","2","1") = "5"
    & skf21("2","2","6","1","2","5","3","1") = "5"
    & skf21("2","2","6","1","2","5","4","1") = "5"
    & skf21("2","2","6","1","2","5","5","1") = "5"
    & skf21("2","2","6","1","2","5","6","1") = "5"
    & skf21("2","2","6","1","2","5","7","1") = "6"
    & skf21("2","2","6","1","2","6","1","1") = "5"
    & skf21("2","2","6","1","2","6","2","1") = "5"
    & skf21("2","2","6","1","2","6","3","1") = "5"
    & skf21("2","2","6","1","2","6","4","1") = "5"
    & skf21("2","2","6","1","2","6","5","1") = "5"
    & skf21("2","2","6","1","2","6","6","1") = "5"
    & skf21("2","2","6","1","2","6","7","1") = "6"
    & skf21("2","2","6","1","2","7","1","1") = "6"
    & skf21("2","2","6","1","2","7","2","1") = "6"
    & skf21("2","2","6","1","2","7","3","1") = "6"
    & skf21("2","2","6","1","2","7","4","1") = "6"
    & skf21("2","2","6","1","2","7","5","1") = "6"
    & skf21("2","2","6","1","2","7","6","1") = "6"
    & skf21("2","2","6","1","2","7","7","1") = "6"
    & skf21("2","2","6","1","3","1","1","1") = "5"
    & skf21("2","2","6","1","3","1","2","1") = "5"
    & skf21("2","2","6","1","3","1","3","1") = "5"
    & skf21("2","2","6","1","3","1","4","1") = "5"
    & skf21("2","2","6","1","3","1","5","1") = "5"
    & skf21("2","2","6","1","3","1","6","1") = "5"
    & skf21("2","2","6","1","3","1","7","1") = "6"
    & skf21("2","2","6","1","3","2","1","1") = "5"
    & skf21("2","2","6","1","3","2","2","1") = "5"
    & skf21("2","2","6","1","3","2","3","1") = "5"
    & skf21("2","2","6","1","3","2","4","1") = "5"
    & skf21("2","2","6","1","3","2","5","1") = "5"
    & skf21("2","2","6","1","3","2","6","1") = "5"
    & skf21("2","2","6","1","3","2","7","1") = "6"
    & skf21("2","2","6","1","3","3","1","1") = "5"
    & skf21("2","2","6","1","3","3","2","1") = "5"
    & skf21("2","2","6","1","3","3","3","1") = "5"
    & skf21("2","2","6","1","3","3","4","1") = "5"
    & skf21("2","2","6","1","3","3","5","1") = "5"
    & skf21("2","2","6","1","3","3","6","1") = "5"
    & skf21("2","2","6","1","3","3","7","1") = "6"
    & skf21("2","2","6","1","3","4","1","1") = "5"
    & skf21("2","2","6","1","3","4","2","1") = "5"
    & skf21("2","2","6","1","3","4","3","1") = "5"
    & skf21("2","2","6","1","3","4","4","1") = "5"
    & skf21("2","2","6","1","3","4","5","1") = "5"
    & skf21("2","2","6","1","3","4","6","1") = "5"
    & skf21("2","2","6","1","3","4","7","1") = "6"
    & skf21("2","2","6","1","3","5","1","1") = "5"
    & skf21("2","2","6","1","3","5","2","1") = "5"
    & skf21("2","2","6","1","3","5","3","1") = "5"
    & skf21("2","2","6","1","3","5","4","1") = "5"
    & skf21("2","2","6","1","3","5","5","1") = "5"
    & skf21("2","2","6","1","3","5","6","1") = "5"
    & skf21("2","2","6","1","3","5","7","1") = "6"
    & skf21("2","2","6","1","3","6","1","1") = "5"
    & skf21("2","2","6","1","3","6","2","1") = "5"
    & skf21("2","2","6","1","3","6","3","1") = "5"
    & skf21("2","2","6","1","3","6","4","1") = "5"
    & skf21("2","2","6","1","3","6","5","1") = "5"
    & skf21("2","2","6","1","3","6","6","1") = "5"
    & skf21("2","2","6","1","3","6","7","1") = "6"
    & skf21("2","2","6","1","3","7","1","1") = "6"
    & skf21("2","2","6","1","3","7","2","1") = "6"
    & skf21("2","2","6","1","3","7","3","1") = "6"
    & skf21("2","2","6","1","3","7","4","1") = "6"
    & skf21("2","2","6","1","3","7","5","1") = "6"
    & skf21("2","2","6","1","3","7","6","1") = "6"
    & skf21("2","2","6","1","3","7","7","1") = "6"
    & skf21("2","2","6","1","4","1","1","1") = "5"
    & skf21("2","2","6","1","4","1","2","1") = "5"
    & skf21("2","2","6","1","4","1","3","1") = "5"
    & skf21("2","2","6","1","4","1","4","1") = "5"
    & skf21("2","2","6","1","4","1","5","1") = "5"
    & skf21("2","2","6","1","4","1","6","1") = "5"
    & skf21("2","2","6","1","4","1","7","1") = "6"
    & skf21("2","2","6","1","4","2","1","1") = "5"
    & skf21("2","2","6","1","4","2","2","1") = "5"
    & skf21("2","2","6","1","4","2","3","1") = "5"
    & skf21("2","2","6","1","4","2","4","1") = "5"
    & skf21("2","2","6","1","4","2","5","1") = "5"
    & skf21("2","2","6","1","4","2","6","1") = "5"
    & skf21("2","2","6","1","4","2","7","1") = "6"
    & skf21("2","2","6","1","4","3","1","1") = "5"
    & skf21("2","2","6","1","4","3","2","1") = "5"
    & skf21("2","2","6","1","4","3","3","1") = "5"
    & skf21("2","2","6","1","4","3","4","1") = "5"
    & skf21("2","2","6","1","4","3","5","1") = "5"
    & skf21("2","2","6","1","4","3","6","1") = "5"
    & skf21("2","2","6","1","4","3","7","1") = "6"
    & skf21("2","2","6","1","4","4","1","1") = "5"
    & skf21("2","2","6","1","4","4","2","1") = "5"
    & skf21("2","2","6","1","4","4","3","1") = "5"
    & skf21("2","2","6","1","4","4","4","1") = "5"
    & skf21("2","2","6","1","4","4","5","1") = "5"
    & skf21("2","2","6","1","4","4","6","1") = "5"
    & skf21("2","2","6","1","4","4","7","1") = "6"
    & skf21("2","2","6","1","4","5","1","1") = "5"
    & skf21("2","2","6","1","4","5","2","1") = "5"
    & skf21("2","2","6","1","4","5","3","1") = "5"
    & skf21("2","2","6","1","4","5","4","1") = "5"
    & skf21("2","2","6","1","4","5","5","1") = "5"
    & skf21("2","2","6","1","4","5","6","1") = "5"
    & skf21("2","2","6","1","4","5","7","1") = "6"
    & skf21("2","2","6","1","4","6","1","1") = "5"
    & skf21("2","2","6","1","4","6","2","1") = "5"
    & skf21("2","2","6","1","4","6","3","1") = "5"
    & skf21("2","2","6","1","4","6","4","1") = "5"
    & skf21("2","2","6","1","4","6","5","1") = "5"
    & skf21("2","2","6","1","4","6","6","1") = "5"
    & skf21("2","2","6","1","4","6","7","1") = "6"
    & skf21("2","2","6","1","4","7","1","1") = "6"
    & skf21("2","2","6","1","4","7","2","1") = "6"
    & skf21("2","2","6","1","4","7","3","1") = "6"
    & skf21("2","2","6","1","4","7","4","1") = "6"
    & skf21("2","2","6","1","4","7","5","1") = "6"
    & skf21("2","2","6","1","4","7","6","1") = "6"
    & skf21("2","2","6","1","4","7","7","1") = "6"
    & skf21("2","2","6","1","5","1","1","1") = "5"
    & skf21("2","2","6","1","5","1","2","1") = "5"
    & skf21("2","2","6","1","5","1","3","1") = "5"
    & skf21("2","2","6","1","5","1","4","1") = "5"
    & skf21("2","2","6","1","5","1","5","1") = "5"
    & skf21("2","2","6","1","5","1","6","1") = "5"
    & skf21("2","2","6","1","5","1","7","1") = "6"
    & skf21("2","2","6","1","5","2","1","1") = "5"
    & skf21("2","2","6","1","5","2","2","1") = "5"
    & skf21("2","2","6","1","5","2","3","1") = "5"
    & skf21("2","2","6","1","5","2","4","1") = "5"
    & skf21("2","2","6","1","5","2","5","1") = "5"
    & skf21("2","2","6","1","5","2","6","1") = "5"
    & skf21("2","2","6","1","5","2","7","1") = "6"
    & skf21("2","2","6","1","5","3","1","1") = "5"
    & skf21("2","2","6","1","5","3","2","1") = "5"
    & skf21("2","2","6","1","5","3","3","1") = "5"
    & skf21("2","2","6","1","5","3","4","1") = "5"
    & skf21("2","2","6","1","5","3","5","1") = "5"
    & skf21("2","2","6","1","5","3","6","1") = "5"
    & skf21("2","2","6","1","5","3","7","1") = "6"
    & skf21("2","2","6","1","5","4","1","1") = "5"
    & skf21("2","2","6","1","5","4","2","1") = "5"
    & skf21("2","2","6","1","5","4","3","1") = "5"
    & skf21("2","2","6","1","5","4","4","1") = "5"
    & skf21("2","2","6","1","5","4","5","1") = "5"
    & skf21("2","2","6","1","5","4","6","1") = "5"
    & skf21("2","2","6","1","5","4","7","1") = "6"
    & skf21("2","2","6","1","5","5","1","1") = "5"
    & skf21("2","2","6","1","5","5","2","1") = "5"
    & skf21("2","2","6","1","5","5","3","1") = "5"
    & skf21("2","2","6","1","5","5","4","1") = "5"
    & skf21("2","2","6","1","5","5","5","1") = "5"
    & skf21("2","2","6","1","5","5","6","1") = "5"
    & skf21("2","2","6","1","5","5","7","1") = "6"
    & skf21("2","2","6","1","5","6","1","1") = "5"
    & skf21("2","2","6","1","5","6","2","1") = "5"
    & skf21("2","2","6","1","5","6","3","1") = "5"
    & skf21("2","2","6","1","5","6","4","1") = "5"
    & skf21("2","2","6","1","5","6","5","1") = "5"
    & skf21("2","2","6","1","5","6","6","1") = "5"
    & skf21("2","2","6","1","5","6","7","1") = "6"
    & skf21("2","2","6","1","5","7","1","1") = "6"
    & skf21("2","2","6","1","5","7","2","1") = "6"
    & skf21("2","2","6","1","5","7","3","1") = "6"
    & skf21("2","2","6","1","5","7","4","1") = "6"
    & skf21("2","2","6","1","5","7","5","1") = "6"
    & skf21("2","2","6","1","5","7","6","1") = "6"
    & skf21("2","2","6","1","5","7","7","1") = "6"
    & skf21("2","2","6","1","6","1","1","1") = "5"
    & skf21("2","2","6","1","6","1","2","1") = "5"
    & skf21("2","2","6","1","6","1","3","1") = "5"
    & skf21("2","2","6","1","6","1","4","1") = "5"
    & skf21("2","2","6","1","6","1","5","1") = "5"
    & skf21("2","2","6","1","6","1","6","1") = "5"
    & skf21("2","2","6","1","6","1","7","1") = "6"
    & skf21("2","2","6","1","6","2","1","1") = "5"
    & skf21("2","2","6","1","6","2","2","1") = "5"
    & skf21("2","2","6","1","6","2","3","1") = "5"
    & skf21("2","2","6","1","6","2","4","1") = "5"
    & skf21("2","2","6","1","6","2","5","1") = "5"
    & skf21("2","2","6","1","6","2","6","1") = "5"
    & skf21("2","2","6","1","6","2","7","1") = "6"
    & skf21("2","2","6","1","6","3","1","1") = "5"
    & skf21("2","2","6","1","6","3","2","1") = "5"
    & skf21("2","2","6","1","6","3","3","1") = "5"
    & skf21("2","2","6","1","6","3","4","1") = "5"
    & skf21("2","2","6","1","6","3","5","1") = "5"
    & skf21("2","2","6","1","6","3","6","1") = "5"
    & skf21("2","2","6","1","6","3","7","1") = "6"
    & skf21("2","2","6","1","6","4","1","1") = "5"
    & skf21("2","2","6","1","6","4","2","1") = "5"
    & skf21("2","2","6","1","6","4","3","1") = "5"
    & skf21("2","2","6","1","6","4","4","1") = "5"
    & skf21("2","2","6","1","6","4","5","1") = "5"
    & skf21("2","2","6","1","6","4","6","1") = "5"
    & skf21("2","2","6","1","6","4","7","1") = "6"
    & skf21("2","2","6","1","6","5","1","1") = "5"
    & skf21("2","2","6","1","6","5","2","1") = "5"
    & skf21("2","2","6","1","6","5","3","1") = "5"
    & skf21("2","2","6","1","6","5","4","1") = "5"
    & skf21("2","2","6","1","6","5","5","1") = "5"
    & skf21("2","2","6","1","6","5","6","1") = "5"
    & skf21("2","2","6","1","6","5","7","1") = "6"
    & skf21("2","2","6","1","6","6","1","1") = "5"
    & skf21("2","2","6","1","6","6","2","1") = "5"
    & skf21("2","2","6","1","6","6","3","1") = "5"
    & skf21("2","2","6","1","6","6","4","1") = "5"
    & skf21("2","2","6","1","6","6","5","1") = "5"
    & skf21("2","2","6","1","6","6","6","1") = "5"
    & skf21("2","2","6","1","6","6","7","1") = "6"
    & skf21("2","2","6","1","6","7","1","1") = "6"
    & skf21("2","2","6","1","6","7","2","1") = "6"
    & skf21("2","2","6","1","6","7","3","1") = "6"
    & skf21("2","2","6","1","6","7","4","1") = "6"
    & skf21("2","2","6","1","6","7","5","1") = "6"
    & skf21("2","2","6","1","6","7","6","1") = "6"
    & skf21("2","2","6","1","6","7","7","1") = "6"
    & skf21("2","2","6","1","7","1","1","1") = "6"
    & skf21("2","2","6","1","7","1","2","1") = "6"
    & skf21("2","2","6","1","7","1","3","1") = "6"
    & skf21("2","2","6","1","7","1","4","1") = "6"
    & skf21("2","2","6","1","7","1","5","1") = "6"
    & skf21("2","2","6","1","7","1","6","1") = "6"
    & skf21("2","2","6","1","7","1","7","1") = "6"
    & skf21("2","2","6","1","7","2","1","1") = "6"
    & skf21("2","2","6","1","7","2","2","1") = "6"
    & skf21("2","2","6","1","7","2","3","1") = "6"
    & skf21("2","2","6","1","7","2","4","1") = "6"
    & skf21("2","2","6","1","7","2","5","1") = "6"
    & skf21("2","2","6","1","7","2","6","1") = "6"
    & skf21("2","2","6","1","7","2","7","1") = "6"
    & skf21("2","2","6","1","7","3","1","1") = "6"
    & skf21("2","2","6","1","7","3","2","1") = "6"
    & skf21("2","2","6","1","7","3","3","1") = "6"
    & skf21("2","2","6","1","7","3","4","1") = "6"
    & skf21("2","2","6","1","7","3","5","1") = "6"
    & skf21("2","2","6","1","7","3","6","1") = "6"
    & skf21("2","2","6","1","7","3","7","1") = "6"
    & skf21("2","2","6","1","7","4","1","1") = "6"
    & skf21("2","2","6","1","7","4","2","1") = "6"
    & skf21("2","2","6","1","7","4","3","1") = "6"
    & skf21("2","2","6","1","7","4","4","1") = "6"
    & skf21("2","2","6","1","7","4","5","1") = "6"
    & skf21("2","2","6","1","7","4","6","1") = "6"
    & skf21("2","2","6","1","7","4","7","1") = "6"
    & skf21("2","2","6","1","7","5","1","1") = "6"
    & skf21("2","2","6","1","7","5","2","1") = "6"
    & skf21("2","2","6","1","7","5","3","1") = "6"
    & skf21("2","2","6","1","7","5","4","1") = "6"
    & skf21("2","2","6","1","7","5","5","1") = "6"
    & skf21("2","2","6","1","7","5","6","1") = "6"
    & skf21("2","2","6","1","7","5","7","1") = "6"
    & skf21("2","2","6","1","7","6","1","1") = "6"
    & skf21("2","2","6","1","7","6","2","1") = "6"
    & skf21("2","2","6","1","7","6","3","1") = "6"
    & skf21("2","2","6","1","7","6","4","1") = "6"
    & skf21("2","2","6","1","7","6","5","1") = "6"
    & skf21("2","2","6","1","7","6","6","1") = "6"
    & skf21("2","2","6","1","7","6","7","1") = "6"
    & skf21("2","2","6","1","7","7","1","1") = "6"
    & skf21("2","2","6","1","7","7","2","1") = "6"
    & skf21("2","2","6","1","7","7","3","1") = "6"
    & skf21("2","2","6","1","7","7","4","1") = "6"
    & skf21("2","2","6","1","7","7","5","1") = "6"
    & skf21("2","2","6","1","7","7","6","1") = "6"
    & skf21("2","2","6","1","7","7","7","1") = "6"
    & skf21("2","2","6","2","1","1","1","1") = "5"
    & skf21("2","2","6","2","1","1","2","1") = "5"
    & skf21("2","2","6","2","1","1","3","1") = "5"
    & skf21("2","2","6","2","1","1","4","1") = "5"
    & skf21("2","2","6","2","1","1","5","1") = "5"
    & skf21("2","2","6","2","1","1","6","1") = "5"
    & skf21("2","2","6","2","1","1","7","1") = "6"
    & skf21("2","2","6","2","1","2","1","1") = "5"
    & skf21("2","2","6","2","1","2","2","1") = "5"
    & skf21("2","2","6","2","1","2","3","1") = "5"
    & skf21("2","2","6","2","1","2","4","1") = "5"
    & skf21("2","2","6","2","1","2","5","1") = "5"
    & skf21("2","2","6","2","1","2","6","1") = "5"
    & skf21("2","2","6","2","1","2","7","1") = "6"
    & skf21("2","2","6","2","1","3","1","1") = "5"
    & skf21("2","2","6","2","1","3","2","1") = "5"
    & skf21("2","2","6","2","1","3","3","1") = "5"
    & skf21("2","2","6","2","1","3","4","1") = "5"
    & skf21("2","2","6","2","1","3","5","1") = "5"
    & skf21("2","2","6","2","1","3","6","1") = "5"
    & skf21("2","2","6","2","1","3","7","1") = "6"
    & skf21("2","2","6","2","1","4","1","1") = "5"
    & skf21("2","2","6","2","1","4","2","1") = "5"
    & skf21("2","2","6","2","1","4","3","1") = "5"
    & skf21("2","2","6","2","1","4","4","1") = "5"
    & skf21("2","2","6","2","1","4","5","1") = "5"
    & skf21("2","2","6","2","1","4","6","1") = "5"
    & skf21("2","2","6","2","1","4","7","1") = "6"
    & skf21("2","2","6","2","1","5","1","1") = "5"
    & skf21("2","2","6","2","1","5","2","1") = "5"
    & skf21("2","2","6","2","1","5","3","1") = "5"
    & skf21("2","2","6","2","1","5","4","1") = "5"
    & skf21("2","2","6","2","1","5","5","1") = "5"
    & skf21("2","2","6","2","1","5","6","1") = "5"
    & skf21("2","2","6","2","1","5","7","1") = "6"
    & skf21("2","2","6","2","1","6","1","1") = "5"
    & skf21("2","2","6","2","1","6","2","1") = "5"
    & skf21("2","2","6","2","1","6","3","1") = "5"
    & skf21("2","2","6","2","1","6","4","1") = "5"
    & skf21("2","2","6","2","1","6","5","1") = "5"
    & skf21("2","2","6","2","1","6","6","1") = "5"
    & skf21("2","2","6","2","1","6","7","1") = "6"
    & skf21("2","2","6","2","1","7","1","1") = "6"
    & skf21("2","2","6","2","1","7","2","1") = "6"
    & skf21("2","2","6","2","1","7","3","1") = "6"
    & skf21("2","2","6","2","1","7","4","1") = "6"
    & skf21("2","2","6","2","1","7","5","1") = "6"
    & skf21("2","2","6","2","1","7","6","1") = "6"
    & skf21("2","2","6","2","1","7","7","1") = "6"
    & skf21("2","2","6","2","2","1","1","1") = "5"
    & skf21("2","2","6","2","2","1","2","1") = "5"
    & skf21("2","2","6","2","2","1","3","1") = "5"
    & skf21("2","2","6","2","2","1","4","1") = "5"
    & skf21("2","2","6","2","2","1","5","1") = "5"
    & skf21("2","2","6","2","2","1","6","1") = "5"
    & skf21("2","2","6","2","2","1","7","1") = "6"
    & skf21("2","2","6","2","2","2","1","1") = "5"
    & skf21("2","2","6","2","2","2","2","1") = "5"
    & skf21("2","2","6","2","2","2","3","1") = "5"
    & skf21("2","2","6","2","2","2","4","1") = "5"
    & skf21("2","2","6","2","2","2","5","1") = "5"
    & skf21("2","2","6","2","2","2","6","1") = "5"
    & skf21("2","2","6","2","2","2","7","1") = "6"
    & skf21("2","2","6","2","2","3","1","1") = "5"
    & skf21("2","2","6","2","2","3","2","1") = "5"
    & skf21("2","2","6","2","2","3","3","1") = "5"
    & skf21("2","2","6","2","2","3","4","1") = "5"
    & skf21("2","2","6","2","2","3","5","1") = "5"
    & skf21("2","2","6","2","2","3","6","1") = "5"
    & skf21("2","2","6","2","2","3","7","1") = "6"
    & skf21("2","2","6","2","2","4","1","1") = "5"
    & skf21("2","2","6","2","2","4","2","1") = "5"
    & skf21("2","2","6","2","2","4","3","1") = "5"
    & skf21("2","2","6","2","2","4","4","1") = "5"
    & skf21("2","2","6","2","2","4","5","1") = "5"
    & skf21("2","2","6","2","2","4","6","1") = "5"
    & skf21("2","2","6","2","2","4","7","1") = "6"
    & skf21("2","2","6","2","2","5","1","1") = "5"
    & skf21("2","2","6","2","2","5","2","1") = "5"
    & skf21("2","2","6","2","2","5","3","1") = "5"
    & skf21("2","2","6","2","2","5","4","1") = "5"
    & skf21("2","2","6","2","2","5","5","1") = "5"
    & skf21("2","2","6","2","2","5","6","1") = "5"
    & skf21("2","2","6","2","2","5","7","1") = "6"
    & skf21("2","2","6","2","2","6","1","1") = "5"
    & skf21("2","2","6","2","2","6","2","1") = "5"
    & skf21("2","2","6","2","2","6","3","1") = "5"
    & skf21("2","2","6","2","2","6","4","1") = "5"
    & skf21("2","2","6","2","2","6","5","1") = "5"
    & skf21("2","2","6","2","2","6","6","1") = "5"
    & skf21("2","2","6","2","2","6","7","1") = "6"
    & skf21("2","2","6","2","2","7","1","1") = "6"
    & skf21("2","2","6","2","2","7","2","1") = "6"
    & skf21("2","2","6","2","2","7","3","1") = "6"
    & skf21("2","2","6","2","2","7","4","1") = "6"
    & skf21("2","2","6","2","2","7","5","1") = "6"
    & skf21("2","2","6","2","2","7","6","1") = "6"
    & skf21("2","2","6","2","2","7","7","1") = "6"
    & skf21("2","2","6","2","3","1","1","1") = "5"
    & skf21("2","2","6","2","3","1","2","1") = "5"
    & skf21("2","2","6","2","3","1","3","1") = "5"
    & skf21("2","2","6","2","3","1","4","1") = "5"
    & skf21("2","2","6","2","3","1","5","1") = "5"
    & skf21("2","2","6","2","3","1","6","1") = "5"
    & skf21("2","2","6","2","3","1","7","1") = "6"
    & skf21("2","2","6","2","3","2","1","1") = "5"
    & skf21("2","2","6","2","3","2","2","1") = "5"
    & skf21("2","2","6","2","3","2","3","1") = "5"
    & skf21("2","2","6","2","3","2","4","1") = "5"
    & skf21("2","2","6","2","3","2","5","1") = "5"
    & skf21("2","2","6","2","3","2","6","1") = "5"
    & skf21("2","2","6","2","3","2","7","1") = "6"
    & skf21("2","2","6","2","3","3","1","1") = "5"
    & skf21("2","2","6","2","3","3","2","1") = "5"
    & skf21("2","2","6","2","3","3","3","1") = "5"
    & skf21("2","2","6","2","3","3","4","1") = "5"
    & skf21("2","2","6","2","3","3","5","1") = "5"
    & skf21("2","2","6","2","3","3","6","1") = "5"
    & skf21("2","2","6","2","3","3","7","1") = "6"
    & skf21("2","2","6","2","3","4","1","1") = "5"
    & skf21("2","2","6","2","3","4","2","1") = "5"
    & skf21("2","2","6","2","3","4","3","1") = "5"
    & skf21("2","2","6","2","3","4","4","1") = "5"
    & skf21("2","2","6","2","3","4","5","1") = "5"
    & skf21("2","2","6","2","3","4","6","1") = "5"
    & skf21("2","2","6","2","3","4","7","1") = "6"
    & skf21("2","2","6","2","3","5","1","1") = "5"
    & skf21("2","2","6","2","3","5","2","1") = "5"
    & skf21("2","2","6","2","3","5","3","1") = "5"
    & skf21("2","2","6","2","3","5","4","1") = "5"
    & skf21("2","2","6","2","3","5","5","1") = "5"
    & skf21("2","2","6","2","3","5","6","1") = "5"
    & skf21("2","2","6","2","3","5","7","1") = "6"
    & skf21("2","2","6","2","3","6","1","1") = "5"
    & skf21("2","2","6","2","3","6","2","1") = "5"
    & skf21("2","2","6","2","3","6","3","1") = "5"
    & skf21("2","2","6","2","3","6","4","1") = "5"
    & skf21("2","2","6","2","3","6","5","1") = "5"
    & skf21("2","2","6","2","3","6","6","1") = "5"
    & skf21("2","2","6","2","3","6","7","1") = "6"
    & skf21("2","2","6","2","3","7","1","1") = "6"
    & skf21("2","2","6","2","3","7","2","1") = "6"
    & skf21("2","2","6","2","3","7","3","1") = "6"
    & skf21("2","2","6","2","3","7","4","1") = "6"
    & skf21("2","2","6","2","3","7","5","1") = "6"
    & skf21("2","2","6","2","3","7","6","1") = "6"
    & skf21("2","2","6","2","3","7","7","1") = "6"
    & skf21("2","2","6","2","4","1","1","1") = "5"
    & skf21("2","2","6","2","4","1","2","1") = "5"
    & skf21("2","2","6","2","4","1","3","1") = "5"
    & skf21("2","2","6","2","4","1","4","1") = "5"
    & skf21("2","2","6","2","4","1","5","1") = "5"
    & skf21("2","2","6","2","4","1","6","1") = "5"
    & skf21("2","2","6","2","4","1","7","1") = "6"
    & skf21("2","2","6","2","4","2","1","1") = "5"
    & skf21("2","2","6","2","4","2","2","1") = "5"
    & skf21("2","2","6","2","4","2","3","1") = "5"
    & skf21("2","2","6","2","4","2","4","1") = "5"
    & skf21("2","2","6","2","4","2","5","1") = "5"
    & skf21("2","2","6","2","4","2","6","1") = "5"
    & skf21("2","2","6","2","4","2","7","1") = "6"
    & skf21("2","2","6","2","4","3","1","1") = "5"
    & skf21("2","2","6","2","4","3","2","1") = "5"
    & skf21("2","2","6","2","4","3","3","1") = "5"
    & skf21("2","2","6","2","4","3","4","1") = "5"
    & skf21("2","2","6","2","4","3","5","1") = "5"
    & skf21("2","2","6","2","4","3","6","1") = "5"
    & skf21("2","2","6","2","4","3","7","1") = "6"
    & skf21("2","2","6","2","4","4","1","1") = "5"
    & skf21("2","2","6","2","4","4","2","1") = "5"
    & skf21("2","2","6","2","4","4","3","1") = "5"
    & skf21("2","2","6","2","4","4","4","1") = "5"
    & skf21("2","2","6","2","4","4","5","1") = "5"
    & skf21("2","2","6","2","4","4","6","1") = "5"
    & skf21("2","2","6","2","4","4","7","1") = "6"
    & skf21("2","2","6","2","4","5","1","1") = "5"
    & skf21("2","2","6","2","4","5","2","1") = "5"
    & skf21("2","2","6","2","4","5","3","1") = "5"
    & skf21("2","2","6","2","4","5","4","1") = "5"
    & skf21("2","2","6","2","4","5","5","1") = "5"
    & skf21("2","2","6","2","4","5","6","1") = "5"
    & skf21("2","2","6","2","4","5","7","1") = "6"
    & skf21("2","2","6","2","4","6","1","1") = "5"
    & skf21("2","2","6","2","4","6","2","1") = "5"
    & skf21("2","2","6","2","4","6","3","1") = "5"
    & skf21("2","2","6","2","4","6","4","1") = "5"
    & skf21("2","2","6","2","4","6","5","1") = "5"
    & skf21("2","2","6","2","4","6","6","1") = "5"
    & skf21("2","2","6","2","4","6","7","1") = "6"
    & skf21("2","2","6","2","4","7","1","1") = "6"
    & skf21("2","2","6","2","4","7","2","1") = "6"
    & skf21("2","2","6","2","4","7","3","1") = "6"
    & skf21("2","2","6","2","4","7","4","1") = "6"
    & skf21("2","2","6","2","4","7","5","1") = "6"
    & skf21("2","2","6","2","4","7","6","1") = "6"
    & skf21("2","2","6","2","4","7","7","1") = "6"
    & skf21("2","2","6","2","5","1","1","1") = "5"
    & skf21("2","2","6","2","5","1","2","1") = "5"
    & skf21("2","2","6","2","5","1","3","1") = "5"
    & skf21("2","2","6","2","5","1","4","1") = "5"
    & skf21("2","2","6","2","5","1","5","1") = "5"
    & skf21("2","2","6","2","5","1","6","1") = "5"
    & skf21("2","2","6","2","5","1","7","1") = "6"
    & skf21("2","2","6","2","5","2","1","1") = "5"
    & skf21("2","2","6","2","5","2","2","1") = "5"
    & skf21("2","2","6","2","5","2","3","1") = "5"
    & skf21("2","2","6","2","5","2","4","1") = "5"
    & skf21("2","2","6","2","5","2","5","1") = "5"
    & skf21("2","2","6","2","5","2","6","1") = "5"
    & skf21("2","2","6","2","5","2","7","1") = "6"
    & skf21("2","2","6","2","5","3","1","1") = "5"
    & skf21("2","2","6","2","5","3","2","1") = "5"
    & skf21("2","2","6","2","5","3","3","1") = "5"
    & skf21("2","2","6","2","5","3","4","1") = "5"
    & skf21("2","2","6","2","5","3","5","1") = "5"
    & skf21("2","2","6","2","5","3","6","1") = "5"
    & skf21("2","2","6","2","5","3","7","1") = "6"
    & skf21("2","2","6","2","5","4","1","1") = "5"
    & skf21("2","2","6","2","5","4","2","1") = "5"
    & skf21("2","2","6","2","5","4","3","1") = "5"
    & skf21("2","2","6","2","5","4","4","1") = "5"
    & skf21("2","2","6","2","5","4","5","1") = "5"
    & skf21("2","2","6","2","5","4","6","1") = "5"
    & skf21("2","2","6","2","5","4","7","1") = "6"
    & skf21("2","2","6","2","5","5","1","1") = "5"
    & skf21("2","2","6","2","5","5","2","1") = "5"
    & skf21("2","2","6","2","5","5","3","1") = "5"
    & skf21("2","2","6","2","5","5","4","1") = "5"
    & skf21("2","2","6","2","5","5","5","1") = "5"
    & skf21("2","2","6","2","5","5","6","1") = "5"
    & skf21("2","2","6","2","5","5","7","1") = "6"
    & skf21("2","2","6","2","5","6","1","1") = "5"
    & skf21("2","2","6","2","5","6","2","1") = "5"
    & skf21("2","2","6","2","5","6","3","1") = "5"
    & skf21("2","2","6","2","5","6","4","1") = "5"
    & skf21("2","2","6","2","5","6","5","1") = "5"
    & skf21("2","2","6","2","5","6","6","1") = "5"
    & skf21("2","2","6","2","5","6","7","1") = "6"
    & skf21("2","2","6","2","5","7","1","1") = "6"
    & skf21("2","2","6","2","5","7","2","1") = "6"
    & skf21("2","2","6","2","5","7","3","1") = "6"
    & skf21("2","2","6","2","5","7","4","1") = "6"
    & skf21("2","2","6","2","5","7","5","1") = "6"
    & skf21("2","2","6","2","5","7","6","1") = "6"
    & skf21("2","2","6","2","5","7","7","1") = "6"
    & skf21("2","2","6","2","6","1","1","1") = "5"
    & skf21("2","2","6","2","6","1","2","1") = "5"
    & skf21("2","2","6","2","6","1","3","1") = "5"
    & skf21("2","2","6","2","6","1","4","1") = "5"
    & skf21("2","2","6","2","6","1","5","1") = "5"
    & skf21("2","2","6","2","6","1","6","1") = "5"
    & skf21("2","2","6","2","6","1","7","1") = "6"
    & skf21("2","2","6","2","6","2","1","1") = "5"
    & skf21("2","2","6","2","6","2","2","1") = "5"
    & skf21("2","2","6","2","6","2","3","1") = "5"
    & skf21("2","2","6","2","6","2","4","1") = "5"
    & skf21("2","2","6","2","6","2","5","1") = "5"
    & skf21("2","2","6","2","6","2","6","1") = "5"
    & skf21("2","2","6","2","6","2","7","1") = "6"
    & skf21("2","2","6","2","6","3","1","1") = "5"
    & skf21("2","2","6","2","6","3","2","1") = "5"
    & skf21("2","2","6","2","6","3","3","1") = "5"
    & skf21("2","2","6","2","6","3","4","1") = "5"
    & skf21("2","2","6","2","6","3","5","1") = "5"
    & skf21("2","2","6","2","6","3","6","1") = "5"
    & skf21("2","2","6","2","6","3","7","1") = "6"
    & skf21("2","2","6","2","6","4","1","1") = "5"
    & skf21("2","2","6","2","6","4","2","1") = "5"
    & skf21("2","2","6","2","6","4","3","1") = "5"
    & skf21("2","2","6","2","6","4","4","1") = "5"
    & skf21("2","2","6","2","6","4","5","1") = "5"
    & skf21("2","2","6","2","6","4","6","1") = "5"
    & skf21("2","2","6","2","6","4","7","1") = "6"
    & skf21("2","2","6","2","6","5","1","1") = "5"
    & skf21("2","2","6","2","6","5","2","1") = "5"
    & skf21("2","2","6","2","6","5","3","1") = "5"
    & skf21("2","2","6","2","6","5","4","1") = "5"
    & skf21("2","2","6","2","6","5","5","1") = "5"
    & skf21("2","2","6","2","6","5","6","1") = "5"
    & skf21("2","2","6","2","6","5","7","1") = "6"
    & skf21("2","2","6","2","6","6","1","1") = "5"
    & skf21("2","2","6","2","6","6","2","1") = "5"
    & skf21("2","2","6","2","6","6","3","1") = "5"
    & skf21("2","2","6","2","6","6","4","1") = "5"
    & skf21("2","2","6","2","6","6","5","1") = "5"
    & skf21("2","2","6","2","6","6","6","1") = "5"
    & skf21("2","2","6","2","6","6","7","1") = "6"
    & skf21("2","2","6","2","6","7","1","1") = "6"
    & skf21("2","2","6","2","6","7","2","1") = "6"
    & skf21("2","2","6","2","6","7","3","1") = "6"
    & skf21("2","2","6","2","6","7","4","1") = "6"
    & skf21("2","2","6","2","6","7","5","1") = "6"
    & skf21("2","2","6","2","6","7","6","1") = "6"
    & skf21("2","2","6","2","6","7","7","1") = "6"
    & skf21("2","2","6","2","7","1","1","1") = "6"
    & skf21("2","2","6","2","7","1","2","1") = "6"
    & skf21("2","2","6","2","7","1","3","1") = "6"
    & skf21("2","2","6","2","7","1","4","1") = "6"
    & skf21("2","2","6","2","7","1","5","1") = "6"
    & skf21("2","2","6","2","7","1","6","1") = "6"
    & skf21("2","2","6","2","7","1","7","1") = "6"
    & skf21("2","2","6","2","7","2","1","1") = "6"
    & skf21("2","2","6","2","7","2","2","1") = "6"
    & skf21("2","2","6","2","7","2","3","1") = "6"
    & skf21("2","2","6","2","7","2","4","1") = "6"
    & skf21("2","2","6","2","7","2","5","1") = "6"
    & skf21("2","2","6","2","7","2","6","1") = "6"
    & skf21("2","2","6","2","7","2","7","1") = "6"
    & skf21("2","2","6","2","7","3","1","1") = "6"
    & skf21("2","2","6","2","7","3","2","1") = "6"
    & skf21("2","2","6","2","7","3","3","1") = "6"
    & skf21("2","2","6","2","7","3","4","1") = "6"
    & skf21("2","2","6","2","7","3","5","1") = "6"
    & skf21("2","2","6","2","7","3","6","1") = "6"
    & skf21("2","2","6","2","7","3","7","1") = "6"
    & skf21("2","2","6","2","7","4","1","1") = "6"
    & skf21("2","2","6","2","7","4","2","1") = "6"
    & skf21("2","2","6","2","7","4","3","1") = "6"
    & skf21("2","2","6","2","7","4","4","1") = "6"
    & skf21("2","2","6","2","7","4","5","1") = "6"
    & skf21("2","2","6","2","7","4","6","1") = "6"
    & skf21("2","2","6","2","7","4","7","1") = "6"
    & skf21("2","2","6","2","7","5","1","1") = "6"
    & skf21("2","2","6","2","7","5","2","1") = "6"
    & skf21("2","2","6","2","7","5","3","1") = "6"
    & skf21("2","2","6","2","7","5","4","1") = "6"
    & skf21("2","2","6","2","7","5","5","1") = "6"
    & skf21("2","2","6","2","7","5","6","1") = "6"
    & skf21("2","2","6","2","7","5","7","1") = "6"
    & skf21("2","2","6","2","7","6","1","1") = "6"
    & skf21("2","2","6","2","7","6","2","1") = "6"
    & skf21("2","2","6","2","7","6","3","1") = "6"
    & skf21("2","2","6","2","7","6","4","1") = "6"
    & skf21("2","2","6","2","7","6","5","1") = "6"
    & skf21("2","2","6","2","7","6","6","1") = "6"
    & skf21("2","2","6","2","7","6","7","1") = "6"
    & skf21("2","2","6","2","7","7","1","1") = "6"
    & skf21("2","2","6","2","7","7","2","1") = "6"
    & skf21("2","2","6","2","7","7","3","1") = "6"
    & skf21("2","2","6","2","7","7","4","1") = "6"
    & skf21("2","2","6","2","7","7","5","1") = "6"
    & skf21("2","2","6","2","7","7","6","1") = "6"
    & skf21("2","2","6","2","7","7","7","1") = "6"
    & skf21("2","2","6","3","1","1","1","1") = "5"
    & skf21("2","2","6","3","1","1","2","1") = "5"
    & skf21("2","2","6","3","1","1","3","1") = "5"
    & skf21("2","2","6","3","1","1","4","1") = "5"
    & skf21("2","2","6","3","1","1","5","1") = "5"
    & skf21("2","2","6","3","1","1","6","1") = "5"
    & skf21("2","2","6","3","1","1","7","1") = "6"
    & skf21("2","2","6","3","1","2","1","1") = "5"
    & skf21("2","2","6","3","1","2","2","1") = "5"
    & skf21("2","2","6","3","1","2","3","1") = "5"
    & skf21("2","2","6","3","1","2","4","1") = "5"
    & skf21("2","2","6","3","1","2","5","1") = "5"
    & skf21("2","2","6","3","1","2","6","1") = "5"
    & skf21("2","2","6","3","1","2","7","1") = "6"
    & skf21("2","2","6","3","1","3","1","1") = "5"
    & skf21("2","2","6","3","1","3","2","1") = "5"
    & skf21("2","2","6","3","1","3","3","1") = "5"
    & skf21("2","2","6","3","1","3","4","1") = "5"
    & skf21("2","2","6","3","1","3","5","1") = "5"
    & skf21("2","2","6","3","1","3","6","1") = "5"
    & skf21("2","2","6","3","1","3","7","1") = "6"
    & skf21("2","2","6","3","1","4","1","1") = "5"
    & skf21("2","2","6","3","1","4","2","1") = "5"
    & skf21("2","2","6","3","1","4","3","1") = "5"
    & skf21("2","2","6","3","1","4","4","1") = "5"
    & skf21("2","2","6","3","1","4","5","1") = "5"
    & skf21("2","2","6","3","1","4","6","1") = "5"
    & skf21("2","2","6","3","1","4","7","1") = "6"
    & skf21("2","2","6","3","1","5","1","1") = "5"
    & skf21("2","2","6","3","1","5","2","1") = "5"
    & skf21("2","2","6","3","1","5","3","1") = "5"
    & skf21("2","2","6","3","1","5","4","1") = "5"
    & skf21("2","2","6","3","1","5","5","1") = "5"
    & skf21("2","2","6","3","1","5","6","1") = "5"
    & skf21("2","2","6","3","1","5","7","1") = "6"
    & skf21("2","2","6","3","1","6","1","1") = "5"
    & skf21("2","2","6","3","1","6","2","1") = "5"
    & skf21("2","2","6","3","1","6","3","1") = "5"
    & skf21("2","2","6","3","1","6","4","1") = "5"
    & skf21("2","2","6","3","1","6","5","1") = "5"
    & skf21("2","2","6","3","1","6","6","1") = "5"
    & skf21("2","2","6","3","1","6","7","1") = "6"
    & skf21("2","2","6","3","1","7","1","1") = "6"
    & skf21("2","2","6","3","1","7","2","1") = "6"
    & skf21("2","2","6","3","1","7","3","1") = "6"
    & skf21("2","2","6","3","1","7","4","1") = "6"
    & skf21("2","2","6","3","1","7","5","1") = "6"
    & skf21("2","2","6","3","1","7","6","1") = "6"
    & skf21("2","2","6","3","1","7","7","1") = "6"
    & skf21("2","2","6","3","2","1","1","1") = "5"
    & skf21("2","2","6","3","2","1","2","1") = "5"
    & skf21("2","2","6","3","2","1","3","1") = "5"
    & skf21("2","2","6","3","2","1","4","1") = "5"
    & skf21("2","2","6","3","2","1","5","1") = "5"
    & skf21("2","2","6","3","2","1","6","1") = "5"
    & skf21("2","2","6","3","2","1","7","1") = "6"
    & skf21("2","2","6","3","2","2","1","1") = "5"
    & skf21("2","2","6","3","2","2","2","1") = "5"
    & skf21("2","2","6","3","2","2","3","1") = "5"
    & skf21("2","2","6","3","2","2","4","1") = "5"
    & skf21("2","2","6","3","2","2","5","1") = "5"
    & skf21("2","2","6","3","2","2","6","1") = "5"
    & skf21("2","2","6","3","2","2","7","1") = "6"
    & skf21("2","2","6","3","2","3","1","1") = "5"
    & skf21("2","2","6","3","2","3","2","1") = "5"
    & skf21("2","2","6","3","2","3","3","1") = "5"
    & skf21("2","2","6","3","2","3","4","1") = "5"
    & skf21("2","2","6","3","2","3","5","1") = "5"
    & skf21("2","2","6","3","2","3","6","1") = "5"
    & skf21("2","2","6","3","2","3","7","1") = "6"
    & skf21("2","2","6","3","2","4","1","1") = "5"
    & skf21("2","2","6","3","2","4","2","1") = "5"
    & skf21("2","2","6","3","2","4","3","1") = "5"
    & skf21("2","2","6","3","2","4","4","1") = "5"
    & skf21("2","2","6","3","2","4","5","1") = "5"
    & skf21("2","2","6","3","2","4","6","1") = "5"
    & skf21("2","2","6","3","2","4","7","1") = "6"
    & skf21("2","2","6","3","2","5","1","1") = "5"
    & skf21("2","2","6","3","2","5","2","1") = "5"
    & skf21("2","2","6","3","2","5","3","1") = "5"
    & skf21("2","2","6","3","2","5","4","1") = "5"
    & skf21("2","2","6","3","2","5","5","1") = "5"
    & skf21("2","2","6","3","2","5","6","1") = "5"
    & skf21("2","2","6","3","2","5","7","1") = "6"
    & skf21("2","2","6","3","2","6","1","1") = "5"
    & skf21("2","2","6","3","2","6","2","1") = "5"
    & skf21("2","2","6","3","2","6","3","1") = "5"
    & skf21("2","2","6","3","2","6","4","1") = "5"
    & skf21("2","2","6","3","2","6","5","1") = "5"
    & skf21("2","2","6","3","2","6","6","1") = "5"
    & skf21("2","2","6","3","2","6","7","1") = "6"
    & skf21("2","2","6","3","2","7","1","1") = "6"
    & skf21("2","2","6","3","2","7","2","1") = "6"
    & skf21("2","2","6","3","2","7","3","1") = "6"
    & skf21("2","2","6","3","2","7","4","1") = "6"
    & skf21("2","2","6","3","2","7","5","1") = "6"
    & skf21("2","2","6","3","2","7","6","1") = "6"
    & skf21("2","2","6","3","2","7","7","1") = "6"
    & skf21("2","2","6","3","3","1","1","1") = "5"
    & skf21("2","2","6","3","3","1","2","1") = "5"
    & skf21("2","2","6","3","3","1","3","1") = "5"
    & skf21("2","2","6","3","3","1","4","1") = "5"
    & skf21("2","2","6","3","3","1","5","1") = "5"
    & skf21("2","2","6","3","3","1","6","1") = "5"
    & skf21("2","2","6","3","3","1","7","1") = "6"
    & skf21("2","2","6","3","3","2","1","1") = "5"
    & skf21("2","2","6","3","3","2","2","1") = "5"
    & skf21("2","2","6","3","3","2","3","1") = "5"
    & skf21("2","2","6","3","3","2","4","1") = "5"
    & skf21("2","2","6","3","3","2","5","1") = "5"
    & skf21("2","2","6","3","3","2","6","1") = "5"
    & skf21("2","2","6","3","3","2","7","1") = "6"
    & skf21("2","2","6","3","3","3","1","1") = "5"
    & skf21("2","2","6","3","3","3","2","1") = "5"
    & skf21("2","2","6","3","3","3","3","1") = "5"
    & skf21("2","2","6","3","3","3","4","1") = "5"
    & skf21("2","2","6","3","3","3","5","1") = "5"
    & skf21("2","2","6","3","3","3","6","1") = "5"
    & skf21("2","2","6","3","3","3","7","1") = "6"
    & skf21("2","2","6","3","3","4","1","1") = "5"
    & skf21("2","2","6","3","3","4","2","1") = "5"
    & skf21("2","2","6","3","3","4","3","1") = "5"
    & skf21("2","2","6","3","3","4","4","1") = "5"
    & skf21("2","2","6","3","3","4","5","1") = "5"
    & skf21("2","2","6","3","3","4","6","1") = "5"
    & skf21("2","2","6","3","3","4","7","1") = "6"
    & skf21("2","2","6","3","3","5","1","1") = "5"
    & skf21("2","2","6","3","3","5","2","1") = "5"
    & skf21("2","2","6","3","3","5","3","1") = "5"
    & skf21("2","2","6","3","3","5","4","1") = "5"
    & skf21("2","2","6","3","3","5","5","1") = "5"
    & skf21("2","2","6","3","3","5","6","1") = "5"
    & skf21("2","2","6","3","3","5","7","1") = "6"
    & skf21("2","2","6","3","3","6","1","1") = "5"
    & skf21("2","2","6","3","3","6","2","1") = "5"
    & skf21("2","2","6","3","3","6","3","1") = "5"
    & skf21("2","2","6","3","3","6","4","1") = "5"
    & skf21("2","2","6","3","3","6","5","1") = "5"
    & skf21("2","2","6","3","3","6","6","1") = "5"
    & skf21("2","2","6","3","3","6","7","1") = "6"
    & skf21("2","2","6","3","3","7","1","1") = "6"
    & skf21("2","2","6","3","3","7","2","1") = "6"
    & skf21("2","2","6","3","3","7","3","1") = "6"
    & skf21("2","2","6","3","3","7","4","1") = "6"
    & skf21("2","2","6","3","3","7","5","1") = "6"
    & skf21("2","2","6","3","3","7","6","1") = "6"
    & skf21("2","2","6","3","3","7","7","1") = "6"
    & skf21("2","2","6","3","4","1","1","1") = "5"
    & skf21("2","2","6","3","4","1","2","1") = "5"
    & skf21("2","2","6","3","4","1","3","1") = "5"
    & skf21("2","2","6","3","4","1","4","1") = "5"
    & skf21("2","2","6","3","4","1","5","1") = "5"
    & skf21("2","2","6","3","4","1","6","1") = "5"
    & skf21("2","2","6","3","4","1","7","1") = "6"
    & skf21("2","2","6","3","4","2","1","1") = "5"
    & skf21("2","2","6","3","4","2","2","1") = "5"
    & skf21("2","2","6","3","4","2","3","1") = "5"
    & skf21("2","2","6","3","4","2","4","1") = "5"
    & skf21("2","2","6","3","4","2","5","1") = "5"
    & skf21("2","2","6","3","4","2","6","1") = "5"
    & skf21("2","2","6","3","4","2","7","1") = "6"
    & skf21("2","2","6","3","4","3","1","1") = "5"
    & skf21("2","2","6","3","4","3","2","1") = "5"
    & skf21("2","2","6","3","4","3","3","1") = "5"
    & skf21("2","2","6","3","4","3","4","1") = "5"
    & skf21("2","2","6","3","4","3","5","1") = "5"
    & skf21("2","2","6","3","4","3","6","1") = "5"
    & skf21("2","2","6","3","4","3","7","1") = "6"
    & skf21("2","2","6","3","4","4","1","1") = "5"
    & skf21("2","2","6","3","4","4","2","1") = "5"
    & skf21("2","2","6","3","4","4","3","1") = "5"
    & skf21("2","2","6","3","4","4","4","1") = "5"
    & skf21("2","2","6","3","4","4","5","1") = "5"
    & skf21("2","2","6","3","4","4","6","1") = "5"
    & skf21("2","2","6","3","4","4","7","1") = "6"
    & skf21("2","2","6","3","4","5","1","1") = "5"
    & skf21("2","2","6","3","4","5","2","1") = "5"
    & skf21("2","2","6","3","4","5","3","1") = "5"
    & skf21("2","2","6","3","4","5","4","1") = "5"
    & skf21("2","2","6","3","4","5","5","1") = "5"
    & skf21("2","2","6","3","4","5","6","1") = "5"
    & skf21("2","2","6","3","4","5","7","1") = "6"
    & skf21("2","2","6","3","4","6","1","1") = "5"
    & skf21("2","2","6","3","4","6","2","1") = "5"
    & skf21("2","2","6","3","4","6","3","1") = "5"
    & skf21("2","2","6","3","4","6","4","1") = "5"
    & skf21("2","2","6","3","4","6","5","1") = "5"
    & skf21("2","2","6","3","4","6","6","1") = "5"
    & skf21("2","2","6","3","4","6","7","1") = "6"
    & skf21("2","2","6","3","4","7","1","1") = "6"
    & skf21("2","2","6","3","4","7","2","1") = "6"
    & skf21("2","2","6","3","4","7","3","1") = "6"
    & skf21("2","2","6","3","4","7","4","1") = "6"
    & skf21("2","2","6","3","4","7","5","1") = "6"
    & skf21("2","2","6","3","4","7","6","1") = "6"
    & skf21("2","2","6","3","4","7","7","1") = "6"
    & skf21("2","2","6","3","5","1","1","1") = "5"
    & skf21("2","2","6","3","5","1","2","1") = "5"
    & skf21("2","2","6","3","5","1","3","1") = "5"
    & skf21("2","2","6","3","5","1","4","1") = "5"
    & skf21("2","2","6","3","5","1","5","1") = "5"
    & skf21("2","2","6","3","5","1","6","1") = "5"
    & skf21("2","2","6","3","5","1","7","1") = "6"
    & skf21("2","2","6","3","5","2","1","1") = "5"
    & skf21("2","2","6","3","5","2","2","1") = "5"
    & skf21("2","2","6","3","5","2","3","1") = "5"
    & skf21("2","2","6","3","5","2","4","1") = "5"
    & skf21("2","2","6","3","5","2","5","1") = "5"
    & skf21("2","2","6","3","5","2","6","1") = "5"
    & skf21("2","2","6","3","5","2","7","1") = "6"
    & skf21("2","2","6","3","5","3","1","1") = "5"
    & skf21("2","2","6","3","5","3","2","1") = "5"
    & skf21("2","2","6","3","5","3","3","1") = "5"
    & skf21("2","2","6","3","5","3","4","1") = "5"
    & skf21("2","2","6","3","5","3","5","1") = "5"
    & skf21("2","2","6","3","5","3","6","1") = "5"
    & skf21("2","2","6","3","5","3","7","1") = "6"
    & skf21("2","2","6","3","5","4","1","1") = "5"
    & skf21("2","2","6","3","5","4","2","1") = "5"
    & skf21("2","2","6","3","5","4","3","1") = "5"
    & skf21("2","2","6","3","5","4","4","1") = "5"
    & skf21("2","2","6","3","5","4","5","1") = "5"
    & skf21("2","2","6","3","5","4","6","1") = "5"
    & skf21("2","2","6","3","5","4","7","1") = "6"
    & skf21("2","2","6","3","5","5","1","1") = "5"
    & skf21("2","2","6","3","5","5","2","1") = "5"
    & skf21("2","2","6","3","5","5","3","1") = "5"
    & skf21("2","2","6","3","5","5","4","1") = "5"
    & skf21("2","2","6","3","5","5","5","1") = "5"
    & skf21("2","2","6","3","5","5","6","1") = "5"
    & skf21("2","2","6","3","5","5","7","1") = "6"
    & skf21("2","2","6","3","5","6","1","1") = "5"
    & skf21("2","2","6","3","5","6","2","1") = "5"
    & skf21("2","2","6","3","5","6","3","1") = "5"
    & skf21("2","2","6","3","5","6","4","1") = "5"
    & skf21("2","2","6","3","5","6","5","1") = "5"
    & skf21("2","2","6","3","5","6","6","1") = "5"
    & skf21("2","2","6","3","5","6","7","1") = "6"
    & skf21("2","2","6","3","5","7","1","1") = "6"
    & skf21("2","2","6","3","5","7","2","1") = "6"
    & skf21("2","2","6","3","5","7","3","1") = "6"
    & skf21("2","2","6","3","5","7","4","1") = "6"
    & skf21("2","2","6","3","5","7","5","1") = "6"
    & skf21("2","2","6","3","5","7","6","1") = "6"
    & skf21("2","2","6","3","5","7","7","1") = "6"
    & skf21("2","2","6","3","6","1","1","1") = "5"
    & skf21("2","2","6","3","6","1","2","1") = "5"
    & skf21("2","2","6","3","6","1","3","1") = "5"
    & skf21("2","2","6","3","6","1","4","1") = "5"
    & skf21("2","2","6","3","6","1","5","1") = "5"
    & skf21("2","2","6","3","6","1","6","1") = "5"
    & skf21("2","2","6","3","6","1","7","1") = "6"
    & skf21("2","2","6","3","6","2","1","1") = "5"
    & skf21("2","2","6","3","6","2","2","1") = "5"
    & skf21("2","2","6","3","6","2","3","1") = "5"
    & skf21("2","2","6","3","6","2","4","1") = "5"
    & skf21("2","2","6","3","6","2","5","1") = "5"
    & skf21("2","2","6","3","6","2","6","1") = "5"
    & skf21("2","2","6","3","6","2","7","1") = "6"
    & skf21("2","2","6","3","6","3","1","1") = "5"
    & skf21("2","2","6","3","6","3","2","1") = "5"
    & skf21("2","2","6","3","6","3","3","1") = "5"
    & skf21("2","2","6","3","6","3","4","1") = "5"
    & skf21("2","2","6","3","6","3","5","1") = "5"
    & skf21("2","2","6","3","6","3","6","1") = "5"
    & skf21("2","2","6","3","6","3","7","1") = "6"
    & skf21("2","2","6","3","6","4","1","1") = "5"
    & skf21("2","2","6","3","6","4","2","1") = "5"
    & skf21("2","2","6","3","6","4","3","1") = "5"
    & skf21("2","2","6","3","6","4","4","1") = "5"
    & skf21("2","2","6","3","6","4","5","1") = "5"
    & skf21("2","2","6","3","6","4","6","1") = "5"
    & skf21("2","2","6","3","6","4","7","1") = "6"
    & skf21("2","2","6","3","6","5","1","1") = "5"
    & skf21("2","2","6","3","6","5","2","1") = "5"
    & skf21("2","2","6","3","6","5","3","1") = "5"
    & skf21("2","2","6","3","6","5","4","1") = "5"
    & skf21("2","2","6","3","6","5","5","1") = "5"
    & skf21("2","2","6","3","6","5","6","1") = "5"
    & skf21("2","2","6","3","6","5","7","1") = "6"
    & skf21("2","2","6","3","6","6","1","1") = "5"
    & skf21("2","2","6","3","6","6","2","1") = "5"
    & skf21("2","2","6","3","6","6","3","1") = "5"
    & skf21("2","2","6","3","6","6","4","1") = "5"
    & skf21("2","2","6","3","6","6","5","1") = "5"
    & skf21("2","2","6","3","6","6","6","1") = "5"
    & skf21("2","2","6","3","6","6","7","1") = "6"
    & skf21("2","2","6","3","6","7","1","1") = "6"
    & skf21("2","2","6","3","6","7","2","1") = "6"
    & skf21("2","2","6","3","6","7","3","1") = "6"
    & skf21("2","2","6","3","6","7","4","1") = "6"
    & skf21("2","2","6","3","6","7","5","1") = "6"
    & skf21("2","2","6","3","6","7","6","1") = "6"
    & skf21("2","2","6","3","6","7","7","1") = "6"
    & skf21("2","2","6","3","7","1","1","1") = "6"
    & skf21("2","2","6","3","7","1","2","1") = "6"
    & skf21("2","2","6","3","7","1","3","1") = "6"
    & skf21("2","2","6","3","7","1","4","1") = "6"
    & skf21("2","2","6","3","7","1","5","1") = "6"
    & skf21("2","2","6","3","7","1","6","1") = "6"
    & skf21("2","2","6","3","7","1","7","1") = "6"
    & skf21("2","2","6","3","7","2","1","1") = "6"
    & skf21("2","2","6","3","7","2","2","1") = "6"
    & skf21("2","2","6","3","7","2","3","1") = "6"
    & skf21("2","2","6","3","7","2","4","1") = "6"
    & skf21("2","2","6","3","7","2","5","1") = "6"
    & skf21("2","2","6","3","7","2","6","1") = "6"
    & skf21("2","2","6","3","7","2","7","1") = "6"
    & skf21("2","2","6","3","7","3","1","1") = "6"
    & skf21("2","2","6","3","7","3","2","1") = "6"
    & skf21("2","2","6","3","7","3","3","1") = "6"
    & skf21("2","2","6","3","7","3","4","1") = "6"
    & skf21("2","2","6","3","7","3","5","1") = "6"
    & skf21("2","2","6","3","7","3","6","1") = "6"
    & skf21("2","2","6","3","7","3","7","1") = "6"
    & skf21("2","2","6","3","7","4","1","1") = "6"
    & skf21("2","2","6","3","7","4","2","1") = "6"
    & skf21("2","2","6","3","7","4","3","1") = "6"
    & skf21("2","2","6","3","7","4","4","1") = "6"
    & skf21("2","2","6","3","7","4","5","1") = "6"
    & skf21("2","2","6","3","7","4","6","1") = "6"
    & skf21("2","2","6","3","7","4","7","1") = "6"
    & skf21("2","2","6","3","7","5","1","1") = "6"
    & skf21("2","2","6","3","7","5","2","1") = "6"
    & skf21("2","2","6","3","7","5","3","1") = "6"
    & skf21("2","2","6","3","7","5","4","1") = "6"
    & skf21("2","2","6","3","7","5","5","1") = "6"
    & skf21("2","2","6","3","7","5","6","1") = "6"
    & skf21("2","2","6","3","7","5","7","1") = "6"
    & skf21("2","2","6","3","7","6","1","1") = "6"
    & skf21("2","2","6","3","7","6","2","1") = "6"
    & skf21("2","2","6","3","7","6","3","1") = "6"
    & skf21("2","2","6","3","7","6","4","1") = "6"
    & skf21("2","2","6","3","7","6","5","1") = "6"
    & skf21("2","2","6","3","7","6","6","1") = "6"
    & skf21("2","2","6","3","7","6","7","1") = "6"
    & skf21("2","2","6","3","7","7","1","1") = "6"
    & skf21("2","2","6","3","7","7","2","1") = "6"
    & skf21("2","2","6","3","7","7","3","1") = "6"
    & skf21("2","2","6","3","7","7","4","1") = "6"
    & skf21("2","2","6","3","7","7","5","1") = "6"
    & skf21("2","2","6","3","7","7","6","1") = "6"
    & skf21("2","2","6","3","7","7","7","1") = "6"
    & skf21("2","2","6","4","1","1","1","1") = "5"
    & skf21("2","2","6","4","1","1","2","1") = "5"
    & skf21("2","2","6","4","1","1","3","1") = "5"
    & skf21("2","2","6","4","1","1","4","1") = "5"
    & skf21("2","2","6","4","1","1","5","1") = "5"
    & skf21("2","2","6","4","1","1","6","1") = "5"
    & skf21("2","2","6","4","1","1","7","1") = "6"
    & skf21("2","2","6","4","1","2","1","1") = "5"
    & skf21("2","2","6","4","1","2","2","1") = "5"
    & skf21("2","2","6","4","1","2","3","1") = "5"
    & skf21("2","2","6","4","1","2","4","1") = "5"
    & skf21("2","2","6","4","1","2","5","1") = "5"
    & skf21("2","2","6","4","1","2","6","1") = "5"
    & skf21("2","2","6","4","1","2","7","1") = "6"
    & skf21("2","2","6","4","1","3","1","1") = "5"
    & skf21("2","2","6","4","1","3","2","1") = "5"
    & skf21("2","2","6","4","1","3","3","1") = "5"
    & skf21("2","2","6","4","1","3","4","1") = "5"
    & skf21("2","2","6","4","1","3","5","1") = "5"
    & skf21("2","2","6","4","1","3","6","1") = "5"
    & skf21("2","2","6","4","1","3","7","1") = "6"
    & skf21("2","2","6","4","1","4","1","1") = "5"
    & skf21("2","2","6","4","1","4","2","1") = "5"
    & skf21("2","2","6","4","1","4","3","1") = "5"
    & skf21("2","2","6","4","1","4","4","1") = "5"
    & skf21("2","2","6","4","1","4","5","1") = "5"
    & skf21("2","2","6","4","1","4","6","1") = "5"
    & skf21("2","2","6","4","1","4","7","1") = "6"
    & skf21("2","2","6","4","1","5","1","1") = "5"
    & skf21("2","2","6","4","1","5","2","1") = "5"
    & skf21("2","2","6","4","1","5","3","1") = "5"
    & skf21("2","2","6","4","1","5","4","1") = "5"
    & skf21("2","2","6","4","1","5","5","1") = "5"
    & skf21("2","2","6","4","1","5","6","1") = "5"
    & skf21("2","2","6","4","1","5","7","1") = "6"
    & skf21("2","2","6","4","1","6","1","1") = "5"
    & skf21("2","2","6","4","1","6","2","1") = "5"
    & skf21("2","2","6","4","1","6","3","1") = "5"
    & skf21("2","2","6","4","1","6","4","1") = "5"
    & skf21("2","2","6","4","1","6","5","1") = "5"
    & skf21("2","2","6","4","1","6","6","1") = "5"
    & skf21("2","2","6","4","1","6","7","1") = "6"
    & skf21("2","2","6","4","1","7","1","1") = "6"
    & skf21("2","2","6","4","1","7","2","1") = "6"
    & skf21("2","2","6","4","1","7","3","1") = "6"
    & skf21("2","2","6","4","1","7","4","1") = "6"
    & skf21("2","2","6","4","1","7","5","1") = "6"
    & skf21("2","2","6","4","1","7","6","1") = "6"
    & skf21("2","2","6","4","1","7","7","1") = "6"
    & skf21("2","2","6","4","2","1","1","1") = "5"
    & skf21("2","2","6","4","2","1","2","1") = "5"
    & skf21("2","2","6","4","2","1","3","1") = "5"
    & skf21("2","2","6","4","2","1","4","1") = "5"
    & skf21("2","2","6","4","2","1","5","1") = "5"
    & skf21("2","2","6","4","2","1","6","1") = "5"
    & skf21("2","2","6","4","2","1","7","1") = "6"
    & skf21("2","2","6","4","2","2","1","1") = "5"
    & skf21("2","2","6","4","2","2","2","1") = "5"
    & skf21("2","2","6","4","2","2","3","1") = "5"
    & skf21("2","2","6","4","2","2","4","1") = "5"
    & skf21("2","2","6","4","2","2","5","1") = "5"
    & skf21("2","2","6","4","2","2","6","1") = "5"
    & skf21("2","2","6","4","2","2","7","1") = "6"
    & skf21("2","2","6","4","2","3","1","1") = "5"
    & skf21("2","2","6","4","2","3","2","1") = "5"
    & skf21("2","2","6","4","2","3","3","1") = "5"
    & skf21("2","2","6","4","2","3","4","1") = "5"
    & skf21("2","2","6","4","2","3","5","1") = "5"
    & skf21("2","2","6","4","2","3","6","1") = "5"
    & skf21("2","2","6","4","2","3","7","1") = "6"
    & skf21("2","2","6","4","2","4","1","1") = "5"
    & skf21("2","2","6","4","2","4","2","1") = "5"
    & skf21("2","2","6","4","2","4","3","1") = "5"
    & skf21("2","2","6","4","2","4","4","1") = "5"
    & skf21("2","2","6","4","2","4","5","1") = "5"
    & skf21("2","2","6","4","2","4","6","1") = "5"
    & skf21("2","2","6","4","2","4","7","1") = "6"
    & skf21("2","2","6","4","2","5","1","1") = "5"
    & skf21("2","2","6","4","2","5","2","1") = "5"
    & skf21("2","2","6","4","2","5","3","1") = "5"
    & skf21("2","2","6","4","2","5","4","1") = "5"
    & skf21("2","2","6","4","2","5","5","1") = "5"
    & skf21("2","2","6","4","2","5","6","1") = "5"
    & skf21("2","2","6","4","2","5","7","1") = "6"
    & skf21("2","2","6","4","2","6","1","1") = "5"
    & skf21("2","2","6","4","2","6","2","1") = "5"
    & skf21("2","2","6","4","2","6","3","1") = "5"
    & skf21("2","2","6","4","2","6","4","1") = "5"
    & skf21("2","2","6","4","2","6","5","1") = "5"
    & skf21("2","2","6","4","2","6","6","1") = "5"
    & skf21("2","2","6","4","2","6","7","1") = "6"
    & skf21("2","2","6","4","2","7","1","1") = "6"
    & skf21("2","2","6","4","2","7","2","1") = "6"
    & skf21("2","2","6","4","2","7","3","1") = "6"
    & skf21("2","2","6","4","2","7","4","1") = "6"
    & skf21("2","2","6","4","2","7","5","1") = "6"
    & skf21("2","2","6","4","2","7","6","1") = "6"
    & skf21("2","2","6","4","2","7","7","1") = "6"
    & skf21("2","2","6","4","3","1","1","1") = "5"
    & skf21("2","2","6","4","3","1","2","1") = "5"
    & skf21("2","2","6","4","3","1","3","1") = "5"
    & skf21("2","2","6","4","3","1","4","1") = "5"
    & skf21("2","2","6","4","3","1","5","1") = "5"
    & skf21("2","2","6","4","3","1","6","1") = "5"
    & skf21("2","2","6","4","3","1","7","1") = "6"
    & skf21("2","2","6","4","3","2","1","1") = "5"
    & skf21("2","2","6","4","3","2","2","1") = "5"
    & skf21("2","2","6","4","3","2","3","1") = "5"
    & skf21("2","2","6","4","3","2","4","1") = "5"
    & skf21("2","2","6","4","3","2","5","1") = "5"
    & skf21("2","2","6","4","3","2","6","1") = "5"
    & skf21("2","2","6","4","3","2","7","1") = "6"
    & skf21("2","2","6","4","3","3","1","1") = "5"
    & skf21("2","2","6","4","3","3","2","1") = "5"
    & skf21("2","2","6","4","3","3","3","1") = "5"
    & skf21("2","2","6","4","3","3","4","1") = "5"
    & skf21("2","2","6","4","3","3","5","1") = "5"
    & skf21("2","2","6","4","3","3","6","1") = "5"
    & skf21("2","2","6","4","3","3","7","1") = "6"
    & skf21("2","2","6","4","3","4","1","1") = "5"
    & skf21("2","2","6","4","3","4","2","1") = "5"
    & skf21("2","2","6","4","3","4","3","1") = "5"
    & skf21("2","2","6","4","3","4","4","1") = "5"
    & skf21("2","2","6","4","3","4","5","1") = "5"
    & skf21("2","2","6","4","3","4","6","1") = "5"
    & skf21("2","2","6","4","3","4","7","1") = "6"
    & skf21("2","2","6","4","3","5","1","1") = "5"
    & skf21("2","2","6","4","3","5","2","1") = "5"
    & skf21("2","2","6","4","3","5","3","1") = "5"
    & skf21("2","2","6","4","3","5","4","1") = "5"
    & skf21("2","2","6","4","3","5","5","1") = "5"
    & skf21("2","2","6","4","3","5","6","1") = "5"
    & skf21("2","2","6","4","3","5","7","1") = "6"
    & skf21("2","2","6","4","3","6","1","1") = "5"
    & skf21("2","2","6","4","3","6","2","1") = "5"
    & skf21("2","2","6","4","3","6","3","1") = "5"
    & skf21("2","2","6","4","3","6","4","1") = "5"
    & skf21("2","2","6","4","3","6","5","1") = "5"
    & skf21("2","2","6","4","3","6","6","1") = "5"
    & skf21("2","2","6","4","3","6","7","1") = "6"
    & skf21("2","2","6","4","3","7","1","1") = "6"
    & skf21("2","2","6","4","3","7","2","1") = "6"
    & skf21("2","2","6","4","3","7","3","1") = "6"
    & skf21("2","2","6","4","3","7","4","1") = "6"
    & skf21("2","2","6","4","3","7","5","1") = "6"
    & skf21("2","2","6","4","3","7","6","1") = "6"
    & skf21("2","2","6","4","3","7","7","1") = "6"
    & skf21("2","2","6","4","4","1","1","1") = "5"
    & skf21("2","2","6","4","4","1","2","1") = "5"
    & skf21("2","2","6","4","4","1","3","1") = "5"
    & skf21("2","2","6","4","4","1","4","1") = "5"
    & skf21("2","2","6","4","4","1","5","1") = "5"
    & skf21("2","2","6","4","4","1","6","1") = "5"
    & skf21("2","2","6","4","4","1","7","1") = "6"
    & skf21("2","2","6","4","4","2","1","1") = "5"
    & skf21("2","2","6","4","4","2","2","1") = "5"
    & skf21("2","2","6","4","4","2","3","1") = "5"
    & skf21("2","2","6","4","4","2","4","1") = "5"
    & skf21("2","2","6","4","4","2","5","1") = "5"
    & skf21("2","2","6","4","4","2","6","1") = "5"
    & skf21("2","2","6","4","4","2","7","1") = "6"
    & skf21("2","2","6","4","4","3","1","1") = "5"
    & skf21("2","2","6","4","4","3","2","1") = "5"
    & skf21("2","2","6","4","4","3","3","1") = "5"
    & skf21("2","2","6","4","4","3","4","1") = "5"
    & skf21("2","2","6","4","4","3","5","1") = "5"
    & skf21("2","2","6","4","4","3","6","1") = "5"
    & skf21("2","2","6","4","4","3","7","1") = "6"
    & skf21("2","2","6","4","4","4","1","1") = "5"
    & skf21("2","2","6","4","4","4","2","1") = "5"
    & skf21("2","2","6","4","4","4","3","1") = "5"
    & skf21("2","2","6","4","4","4","4","1") = "5"
    & skf21("2","2","6","4","4","4","5","1") = "5"
    & skf21("2","2","6","4","4","4","6","1") = "5"
    & skf21("2","2","6","4","4","4","7","1") = "6"
    & skf21("2","2","6","4","4","5","1","1") = "5"
    & skf21("2","2","6","4","4","5","2","1") = "5"
    & skf21("2","2","6","4","4","5","3","1") = "5"
    & skf21("2","2","6","4","4","5","4","1") = "5"
    & skf21("2","2","6","4","4","5","5","1") = "5"
    & skf21("2","2","6","4","4","5","6","1") = "5"
    & skf21("2","2","6","4","4","5","7","1") = "6"
    & skf21("2","2","6","4","4","6","1","1") = "5"
    & skf21("2","2","6","4","4","6","2","1") = "5"
    & skf21("2","2","6","4","4","6","3","1") = "5"
    & skf21("2","2","6","4","4","6","4","1") = "5"
    & skf21("2","2","6","4","4","6","5","1") = "5"
    & skf21("2","2","6","4","4","6","6","1") = "5"
    & skf21("2","2","6","4","4","6","7","1") = "6"
    & skf21("2","2","6","4","4","7","1","1") = "6"
    & skf21("2","2","6","4","4","7","2","1") = "6"
    & skf21("2","2","6","4","4","7","3","1") = "6"
    & skf21("2","2","6","4","4","7","4","1") = "6"
    & skf21("2","2","6","4","4","7","5","1") = "6"
    & skf21("2","2","6","4","4","7","6","1") = "6"
    & skf21("2","2","6","4","4","7","7","1") = "6"
    & skf21("2","2","6","4","5","1","1","1") = "5"
    & skf21("2","2","6","4","5","1","2","1") = "5"
    & skf21("2","2","6","4","5","1","3","1") = "5"
    & skf21("2","2","6","4","5","1","4","1") = "5"
    & skf21("2","2","6","4","5","1","5","1") = "5"
    & skf21("2","2","6","4","5","1","6","1") = "5"
    & skf21("2","2","6","4","5","1","7","1") = "6"
    & skf21("2","2","6","4","5","2","1","1") = "5"
    & skf21("2","2","6","4","5","2","2","1") = "5"
    & skf21("2","2","6","4","5","2","3","1") = "5"
    & skf21("2","2","6","4","5","2","4","1") = "5"
    & skf21("2","2","6","4","5","2","5","1") = "5"
    & skf21("2","2","6","4","5","2","6","1") = "5"
    & skf21("2","2","6","4","5","2","7","1") = "6"
    & skf21("2","2","6","4","5","3","1","1") = "5"
    & skf21("2","2","6","4","5","3","2","1") = "5"
    & skf21("2","2","6","4","5","3","3","1") = "5"
    & skf21("2","2","6","4","5","3","4","1") = "5"
    & skf21("2","2","6","4","5","3","5","1") = "5"
    & skf21("2","2","6","4","5","3","6","1") = "5"
    & skf21("2","2","6","4","5","3","7","1") = "6"
    & skf21("2","2","6","4","5","4","1","1") = "5"
    & skf21("2","2","6","4","5","4","2","1") = "5"
    & skf21("2","2","6","4","5","4","3","1") = "5"
    & skf21("2","2","6","4","5","4","4","1") = "5"
    & skf21("2","2","6","4","5","4","5","1") = "5"
    & skf21("2","2","6","4","5","4","6","1") = "5"
    & skf21("2","2","6","4","5","4","7","1") = "6"
    & skf21("2","2","6","4","5","5","1","1") = "5"
    & skf21("2","2","6","4","5","5","2","1") = "5"
    & skf21("2","2","6","4","5","5","3","1") = "5"
    & skf21("2","2","6","4","5","5","4","1") = "5"
    & skf21("2","2","6","4","5","5","5","1") = "5"
    & skf21("2","2","6","4","5","5","6","1") = "5"
    & skf21("2","2","6","4","5","5","7","1") = "6"
    & skf21("2","2","6","4","5","6","1","1") = "5"
    & skf21("2","2","6","4","5","6","2","1") = "5"
    & skf21("2","2","6","4","5","6","3","1") = "5"
    & skf21("2","2","6","4","5","6","4","1") = "5"
    & skf21("2","2","6","4","5","6","5","1") = "5"
    & skf21("2","2","6","4","5","6","6","1") = "5"
    & skf21("2","2","6","4","5","6","7","1") = "6"
    & skf21("2","2","6","4","5","7","1","1") = "6"
    & skf21("2","2","6","4","5","7","2","1") = "6"
    & skf21("2","2","6","4","5","7","3","1") = "6"
    & skf21("2","2","6","4","5","7","4","1") = "6"
    & skf21("2","2","6","4","5","7","5","1") = "6"
    & skf21("2","2","6","4","5","7","6","1") = "6"
    & skf21("2","2","6","4","5","7","7","1") = "6"
    & skf21("2","2","6","4","6","1","1","1") = "5"
    & skf21("2","2","6","4","6","1","2","1") = "5"
    & skf21("2","2","6","4","6","1","3","1") = "5"
    & skf21("2","2","6","4","6","1","4","1") = "5"
    & skf21("2","2","6","4","6","1","5","1") = "5"
    & skf21("2","2","6","4","6","1","6","1") = "5"
    & skf21("2","2","6","4","6","1","7","1") = "6"
    & skf21("2","2","6","4","6","2","1","1") = "5"
    & skf21("2","2","6","4","6","2","2","1") = "5"
    & skf21("2","2","6","4","6","2","3","1") = "5"
    & skf21("2","2","6","4","6","2","4","1") = "5"
    & skf21("2","2","6","4","6","2","5","1") = "5"
    & skf21("2","2","6","4","6","2","6","1") = "5"
    & skf21("2","2","6","4","6","2","7","1") = "6"
    & skf21("2","2","6","4","6","3","1","1") = "5"
    & skf21("2","2","6","4","6","3","2","1") = "5"
    & skf21("2","2","6","4","6","3","3","1") = "5"
    & skf21("2","2","6","4","6","3","4","1") = "5"
    & skf21("2","2","6","4","6","3","5","1") = "5"
    & skf21("2","2","6","4","6","3","6","1") = "5"
    & skf21("2","2","6","4","6","3","7","1") = "6"
    & skf21("2","2","6","4","6","4","1","1") = "5"
    & skf21("2","2","6","4","6","4","2","1") = "5"
    & skf21("2","2","6","4","6","4","3","1") = "5"
    & skf21("2","2","6","4","6","4","4","1") = "5"
    & skf21("2","2","6","4","6","4","5","1") = "5"
    & skf21("2","2","6","4","6","4","6","1") = "5"
    & skf21("2","2","6","4","6","4","7","1") = "6"
    & skf21("2","2","6","4","6","5","1","1") = "5"
    & skf21("2","2","6","4","6","5","2","1") = "5"
    & skf21("2","2","6","4","6","5","3","1") = "5"
    & skf21("2","2","6","4","6","5","4","1") = "5"
    & skf21("2","2","6","4","6","5","5","1") = "5"
    & skf21("2","2","6","4","6","5","6","1") = "5"
    & skf21("2","2","6","4","6","5","7","1") = "6"
    & skf21("2","2","6","4","6","6","1","1") = "5"
    & skf21("2","2","6","4","6","6","2","1") = "5"
    & skf21("2","2","6","4","6","6","3","1") = "5"
    & skf21("2","2","6","4","6","6","4","1") = "5"
    & skf21("2","2","6","4","6","6","5","1") = "5"
    & skf21("2","2","6","4","6","6","6","1") = "5"
    & skf21("2","2","6","4","6","6","7","1") = "6"
    & skf21("2","2","6","4","6","7","1","1") = "6"
    & skf21("2","2","6","4","6","7","2","1") = "6"
    & skf21("2","2","6","4","6","7","3","1") = "6"
    & skf21("2","2","6","4","6","7","4","1") = "6"
    & skf21("2","2","6","4","6","7","5","1") = "6"
    & skf21("2","2","6","4","6","7","6","1") = "6"
    & skf21("2","2","6","4","6","7","7","1") = "6"
    & skf21("2","2","6","4","7","1","1","1") = "6"
    & skf21("2","2","6","4","7","1","2","1") = "6"
    & skf21("2","2","6","4","7","1","3","1") = "6"
    & skf21("2","2","6","4","7","1","4","1") = "6"
    & skf21("2","2","6","4","7","1","5","1") = "6"
    & skf21("2","2","6","4","7","1","6","1") = "6"
    & skf21("2","2","6","4","7","1","7","1") = "6"
    & skf21("2","2","6","4","7","2","1","1") = "6"
    & skf21("2","2","6","4","7","2","2","1") = "6"
    & skf21("2","2","6","4","7","2","3","1") = "6"
    & skf21("2","2","6","4","7","2","4","1") = "6"
    & skf21("2","2","6","4","7","2","5","1") = "6"
    & skf21("2","2","6","4","7","2","6","1") = "6"
    & skf21("2","2","6","4","7","2","7","1") = "6"
    & skf21("2","2","6","4","7","3","1","1") = "6"
    & skf21("2","2","6","4","7","3","2","1") = "6"
    & skf21("2","2","6","4","7","3","3","1") = "6"
    & skf21("2","2","6","4","7","3","4","1") = "6"
    & skf21("2","2","6","4","7","3","5","1") = "6"
    & skf21("2","2","6","4","7","3","6","1") = "6"
    & skf21("2","2","6","4","7","3","7","1") = "6"
    & skf21("2","2","6","4","7","4","1","1") = "6"
    & skf21("2","2","6","4","7","4","2","1") = "6"
    & skf21("2","2","6","4","7","4","3","1") = "6"
    & skf21("2","2","6","4","7","4","4","1") = "6"
    & skf21("2","2","6","4","7","4","5","1") = "6"
    & skf21("2","2","6","4","7","4","6","1") = "6"
    & skf21("2","2","6","4","7","4","7","1") = "6"
    & skf21("2","2","6","4","7","5","1","1") = "6"
    & skf21("2","2","6","4","7","5","2","1") = "6"
    & skf21("2","2","6","4","7","5","3","1") = "6"
    & skf21("2","2","6","4","7","5","4","1") = "6"
    & skf21("2","2","6","4","7","5","5","1") = "6"
    & skf21("2","2","6","4","7","5","6","1") = "6"
    & skf21("2","2","6","4","7","5","7","1") = "6"
    & skf21("2","2","6","4","7","6","1","1") = "6"
    & skf21("2","2","6","4","7","6","2","1") = "6"
    & skf21("2","2","6","4","7","6","3","1") = "6"
    & skf21("2","2","6","4","7","6","4","1") = "6"
    & skf21("2","2","6","4","7","6","5","1") = "6"
    & skf21("2","2","6","4","7","6","6","1") = "6"
    & skf21("2","2","6","4","7","6","7","1") = "6"
    & skf21("2","2","6","4","7","7","1","1") = "6"
    & skf21("2","2","6","4","7","7","2","1") = "6"
    & skf21("2","2","6","4","7","7","3","1") = "6"
    & skf21("2","2","6","4","7","7","4","1") = "6"
    & skf21("2","2","6","4","7","7","5","1") = "6"
    & skf21("2","2","6","4","7","7","6","1") = "6"
    & skf21("2","2","6","4","7","7","7","1") = "6"
    & skf21("2","2","6","5","1","1","1","1") = "5"
    & skf21("2","2","6","5","1","1","2","1") = "5"
    & skf21("2","2","6","5","1","1","3","1") = "5"
    & skf21("2","2","6","5","1","1","4","1") = "5"
    & skf21("2","2","6","5","1","1","5","1") = "5"
    & skf21("2","2","6","5","1","1","6","1") = "5"
    & skf21("2","2","6","5","1","1","7","1") = "6"
    & skf21("2","2","6","5","1","2","1","1") = "5"
    & skf21("2","2","6","5","1","2","2","1") = "5"
    & skf21("2","2","6","5","1","2","3","1") = "5"
    & skf21("2","2","6","5","1","2","4","1") = "5"
    & skf21("2","2","6","5","1","2","5","1") = "5"
    & skf21("2","2","6","5","1","2","6","1") = "5"
    & skf21("2","2","6","5","1","2","7","1") = "6"
    & skf21("2","2","6","5","1","3","1","1") = "5"
    & skf21("2","2","6","5","1","3","2","1") = "5"
    & skf21("2","2","6","5","1","3","3","1") = "5"
    & skf21("2","2","6","5","1","3","4","1") = "5"
    & skf21("2","2","6","5","1","3","5","1") = "5"
    & skf21("2","2","6","5","1","3","6","1") = "5"
    & skf21("2","2","6","5","1","3","7","1") = "6"
    & skf21("2","2","6","5","1","4","1","1") = "5"
    & skf21("2","2","6","5","1","4","2","1") = "5"
    & skf21("2","2","6","5","1","4","3","1") = "5"
    & skf21("2","2","6","5","1","4","4","1") = "5"
    & skf21("2","2","6","5","1","4","5","1") = "5"
    & skf21("2","2","6","5","1","4","6","1") = "5"
    & skf21("2","2","6","5","1","4","7","1") = "6"
    & skf21("2","2","6","5","1","5","1","1") = "5"
    & skf21("2","2","6","5","1","5","2","1") = "5"
    & skf21("2","2","6","5","1","5","3","1") = "5"
    & skf21("2","2","6","5","1","5","4","1") = "5"
    & skf21("2","2","6","5","1","5","5","1") = "5"
    & skf21("2","2","6","5","1","5","6","1") = "5"
    & skf21("2","2","6","5","1","5","7","1") = "6"
    & skf21("2","2","6","5","1","6","1","1") = "5"
    & skf21("2","2","6","5","1","6","2","1") = "5"
    & skf21("2","2","6","5","1","6","3","1") = "5"
    & skf21("2","2","6","5","1","6","4","1") = "5"
    & skf21("2","2","6","5","1","6","5","1") = "5"
    & skf21("2","2","6","5","1","6","6","1") = "5"
    & skf21("2","2","6","5","1","6","7","1") = "6"
    & skf21("2","2","6","5","1","7","1","1") = "6"
    & skf21("2","2","6","5","1","7","2","1") = "6"
    & skf21("2","2","6","5","1","7","3","1") = "6"
    & skf21("2","2","6","5","1","7","4","1") = "6"
    & skf21("2","2","6","5","1","7","5","1") = "6"
    & skf21("2","2","6","5","1","7","6","1") = "6"
    & skf21("2","2","6","5","1","7","7","1") = "6"
    & skf21("2","2","6","5","2","1","1","1") = "5"
    & skf21("2","2","6","5","2","1","2","1") = "5"
    & skf21("2","2","6","5","2","1","3","1") = "5"
    & skf21("2","2","6","5","2","1","4","1") = "5"
    & skf21("2","2","6","5","2","1","5","1") = "5"
    & skf21("2","2","6","5","2","1","6","1") = "5"
    & skf21("2","2","6","5","2","1","7","1") = "6"
    & skf21("2","2","6","5","2","2","1","1") = "5"
    & skf21("2","2","6","5","2","2","2","1") = "5"
    & skf21("2","2","6","5","2","2","3","1") = "5"
    & skf21("2","2","6","5","2","2","4","1") = "5"
    & skf21("2","2","6","5","2","2","5","1") = "5"
    & skf21("2","2","6","5","2","2","6","1") = "5"
    & skf21("2","2","6","5","2","2","7","1") = "6"
    & skf21("2","2","6","5","2","3","1","1") = "5"
    & skf21("2","2","6","5","2","3","2","1") = "5"
    & skf21("2","2","6","5","2","3","3","1") = "5"
    & skf21("2","2","6","5","2","3","4","1") = "5"
    & skf21("2","2","6","5","2","3","5","1") = "5"
    & skf21("2","2","6","5","2","3","6","1") = "5"
    & skf21("2","2","6","5","2","3","7","1") = "6"
    & skf21("2","2","6","5","2","4","1","1") = "5"
    & skf21("2","2","6","5","2","4","2","1") = "5"
    & skf21("2","2","6","5","2","4","3","1") = "5"
    & skf21("2","2","6","5","2","4","4","1") = "5"
    & skf21("2","2","6","5","2","4","5","1") = "5"
    & skf21("2","2","6","5","2","4","6","1") = "5"
    & skf21("2","2","6","5","2","4","7","1") = "6"
    & skf21("2","2","6","5","2","5","1","1") = "5"
    & skf21("2","2","6","5","2","5","2","1") = "5"
    & skf21("2","2","6","5","2","5","3","1") = "5"
    & skf21("2","2","6","5","2","5","4","1") = "5"
    & skf21("2","2","6","5","2","5","5","1") = "5"
    & skf21("2","2","6","5","2","5","6","1") = "5"
    & skf21("2","2","6","5","2","5","7","1") = "6"
    & skf21("2","2","6","5","2","6","1","1") = "5"
    & skf21("2","2","6","5","2","6","2","1") = "5"
    & skf21("2","2","6","5","2","6","3","1") = "5"
    & skf21("2","2","6","5","2","6","4","1") = "5"
    & skf21("2","2","6","5","2","6","5","1") = "5"
    & skf21("2","2","6","5","2","6","6","1") = "5"
    & skf21("2","2","6","5","2","6","7","1") = "6"
    & skf21("2","2","6","5","2","7","1","1") = "6"
    & skf21("2","2","6","5","2","7","2","1") = "6"
    & skf21("2","2","6","5","2","7","3","1") = "6"
    & skf21("2","2","6","5","2","7","4","1") = "6"
    & skf21("2","2","6","5","2","7","5","1") = "6"
    & skf21("2","2","6","5","2","7","6","1") = "6"
    & skf21("2","2","6","5","2","7","7","1") = "6"
    & skf21("2","2","6","5","3","1","1","1") = "5"
    & skf21("2","2","6","5","3","1","2","1") = "5"
    & skf21("2","2","6","5","3","1","3","1") = "5"
    & skf21("2","2","6","5","3","1","4","1") = "5"
    & skf21("2","2","6","5","3","1","5","1") = "5"
    & skf21("2","2","6","5","3","1","6","1") = "5"
    & skf21("2","2","6","5","3","1","7","1") = "6"
    & skf21("2","2","6","5","3","2","1","1") = "5"
    & skf21("2","2","6","5","3","2","2","1") = "5"
    & skf21("2","2","6","5","3","2","3","1") = "5"
    & skf21("2","2","6","5","3","2","4","1") = "5"
    & skf21("2","2","6","5","3","2","5","1") = "5"
    & skf21("2","2","6","5","3","2","6","1") = "5"
    & skf21("2","2","6","5","3","2","7","1") = "6"
    & skf21("2","2","6","5","3","3","1","1") = "5"
    & skf21("2","2","6","5","3","3","2","1") = "5"
    & skf21("2","2","6","5","3","3","3","1") = "5"
    & skf21("2","2","6","5","3","3","4","1") = "5"
    & skf21("2","2","6","5","3","3","5","1") = "5"
    & skf21("2","2","6","5","3","3","6","1") = "5"
    & skf21("2","2","6","5","3","3","7","1") = "6"
    & skf21("2","2","6","5","3","4","1","1") = "5"
    & skf21("2","2","6","5","3","4","2","1") = "5"
    & skf21("2","2","6","5","3","4","3","1") = "5"
    & skf21("2","2","6","5","3","4","4","1") = "5"
    & skf21("2","2","6","5","3","4","5","1") = "5"
    & skf21("2","2","6","5","3","4","6","1") = "5"
    & skf21("2","2","6","5","3","4","7","1") = "6"
    & skf21("2","2","6","5","3","5","1","1") = "5"
    & skf21("2","2","6","5","3","5","2","1") = "5"
    & skf21("2","2","6","5","3","5","3","1") = "5"
    & skf21("2","2","6","5","3","5","4","1") = "5"
    & skf21("2","2","6","5","3","5","5","1") = "5"
    & skf21("2","2","6","5","3","5","6","1") = "5"
    & skf21("2","2","6","5","3","5","7","1") = "6"
    & skf21("2","2","6","5","3","6","1","1") = "5"
    & skf21("2","2","6","5","3","6","2","1") = "5"
    & skf21("2","2","6","5","3","6","3","1") = "5"
    & skf21("2","2","6","5","3","6","4","1") = "5"
    & skf21("2","2","6","5","3","6","5","1") = "5"
    & skf21("2","2","6","5","3","6","6","1") = "5"
    & skf21("2","2","6","5","3","6","7","1") = "6"
    & skf21("2","2","6","5","3","7","1","1") = "6"
    & skf21("2","2","6","5","3","7","2","1") = "6"
    & skf21("2","2","6","5","3","7","3","1") = "6"
    & skf21("2","2","6","5","3","7","4","1") = "6"
    & skf21("2","2","6","5","3","7","5","1") = "6"
    & skf21("2","2","6","5","3","7","6","1") = "6"
    & skf21("2","2","6","5","3","7","7","1") = "6"
    & skf21("2","2","6","5","4","1","1","1") = "5"
    & skf21("2","2","6","5","4","1","2","1") = "5"
    & skf21("2","2","6","5","4","1","3","1") = "5"
    & skf21("2","2","6","5","4","1","4","1") = "5"
    & skf21("2","2","6","5","4","1","5","1") = "5"
    & skf21("2","2","6","5","4","1","6","1") = "5"
    & skf21("2","2","6","5","4","1","7","1") = "6"
    & skf21("2","2","6","5","4","2","1","1") = "5"
    & skf21("2","2","6","5","4","2","2","1") = "5"
    & skf21("2","2","6","5","4","2","3","1") = "5"
    & skf21("2","2","6","5","4","2","4","1") = "5"
    & skf21("2","2","6","5","4","2","5","1") = "5"
    & skf21("2","2","6","5","4","2","6","1") = "5"
    & skf21("2","2","6","5","4","2","7","1") = "6"
    & skf21("2","2","6","5","4","3","1","1") = "5"
    & skf21("2","2","6","5","4","3","2","1") = "5"
    & skf21("2","2","6","5","4","3","3","1") = "5"
    & skf21("2","2","6","5","4","3","4","1") = "5"
    & skf21("2","2","6","5","4","3","5","1") = "5"
    & skf21("2","2","6","5","4","3","6","1") = "5"
    & skf21("2","2","6","5","4","3","7","1") = "6"
    & skf21("2","2","6","5","4","4","1","1") = "5"
    & skf21("2","2","6","5","4","4","2","1") = "5"
    & skf21("2","2","6","5","4","4","3","1") = "5"
    & skf21("2","2","6","5","4","4","4","1") = "5"
    & skf21("2","2","6","5","4","4","5","1") = "5"
    & skf21("2","2","6","5","4","4","6","1") = "5"
    & skf21("2","2","6","5","4","4","7","1") = "6"
    & skf21("2","2","6","5","4","5","1","1") = "5"
    & skf21("2","2","6","5","4","5","2","1") = "5"
    & skf21("2","2","6","5","4","5","3","1") = "5"
    & skf21("2","2","6","5","4","5","4","1") = "5"
    & skf21("2","2","6","5","4","5","5","1") = "5"
    & skf21("2","2","6","5","4","5","6","1") = "5"
    & skf21("2","2","6","5","4","5","7","1") = "6"
    & skf21("2","2","6","5","4","6","1","1") = "5"
    & skf21("2","2","6","5","4","6","2","1") = "5"
    & skf21("2","2","6","5","4","6","3","1") = "5"
    & skf21("2","2","6","5","4","6","4","1") = "5"
    & skf21("2","2","6","5","4","6","5","1") = "5"
    & skf21("2","2","6","5","4","6","6","1") = "5"
    & skf21("2","2","6","5","4","6","7","1") = "6"
    & skf21("2","2","6","5","4","7","1","1") = "6"
    & skf21("2","2","6","5","4","7","2","1") = "6"
    & skf21("2","2","6","5","4","7","3","1") = "6"
    & skf21("2","2","6","5","4","7","4","1") = "6"
    & skf21("2","2","6","5","4","7","5","1") = "6"
    & skf21("2","2","6","5","4","7","6","1") = "6"
    & skf21("2","2","6","5","4","7","7","1") = "6"
    & skf21("2","2","6","5","5","1","1","1") = "5"
    & skf21("2","2","6","5","5","1","2","1") = "5"
    & skf21("2","2","6","5","5","1","3","1") = "5"
    & skf21("2","2","6","5","5","1","4","1") = "5"
    & skf21("2","2","6","5","5","1","5","1") = "5"
    & skf21("2","2","6","5","5","1","6","1") = "5"
    & skf21("2","2","6","5","5","1","7","1") = "6"
    & skf21("2","2","6","5","5","2","1","1") = "5"
    & skf21("2","2","6","5","5","2","2","1") = "5"
    & skf21("2","2","6","5","5","2","3","1") = "5"
    & skf21("2","2","6","5","5","2","4","1") = "5"
    & skf21("2","2","6","5","5","2","5","1") = "5"
    & skf21("2","2","6","5","5","2","6","1") = "5"
    & skf21("2","2","6","5","5","2","7","1") = "6"
    & skf21("2","2","6","5","5","3","1","1") = "5"
    & skf21("2","2","6","5","5","3","2","1") = "5"
    & skf21("2","2","6","5","5","3","3","1") = "5"
    & skf21("2","2","6","5","5","3","4","1") = "5"
    & skf21("2","2","6","5","5","3","5","1") = "5"
    & skf21("2","2","6","5","5","3","6","1") = "5"
    & skf21("2","2","6","5","5","3","7","1") = "6"
    & skf21("2","2","6","5","5","4","1","1") = "5"
    & skf21("2","2","6","5","5","4","2","1") = "5"
    & skf21("2","2","6","5","5","4","3","1") = "5"
    & skf21("2","2","6","5","5","4","4","1") = "5"
    & skf21("2","2","6","5","5","4","5","1") = "5"
    & skf21("2","2","6","5","5","4","6","1") = "5"
    & skf21("2","2","6","5","5","4","7","1") = "6"
    & skf21("2","2","6","5","5","5","1","1") = "5"
    & skf21("2","2","6","5","5","5","2","1") = "5"
    & skf21("2","2","6","5","5","5","3","1") = "5"
    & skf21("2","2","6","5","5","5","4","1") = "5"
    & skf21("2","2","6","5","5","5","5","1") = "5"
    & skf21("2","2","6","5","5","5","6","1") = "5"
    & skf21("2","2","6","5","5","5","7","1") = "6"
    & skf21("2","2","6","5","5","6","1","1") = "5"
    & skf21("2","2","6","5","5","6","2","1") = "5"
    & skf21("2","2","6","5","5","6","3","1") = "5"
    & skf21("2","2","6","5","5","6","4","1") = "5"
    & skf21("2","2","6","5","5","6","5","1") = "5"
    & skf21("2","2","6","5","5","6","6","1") = "5"
    & skf21("2","2","6","5","5","6","7","1") = "6"
    & skf21("2","2","6","5","5","7","1","1") = "6"
    & skf21("2","2","6","5","5","7","2","1") = "6"
    & skf21("2","2","6","5","5","7","3","1") = "6"
    & skf21("2","2","6","5","5","7","4","1") = "6"
    & skf21("2","2","6","5","5","7","5","1") = "6"
    & skf21("2","2","6","5","5","7","6","1") = "6"
    & skf21("2","2","6","5","5","7","7","1") = "6"
    & skf21("2","2","6","5","6","1","1","1") = "5"
    & skf21("2","2","6","5","6","1","2","1") = "5"
    & skf21("2","2","6","5","6","1","3","1") = "5"
    & skf21("2","2","6","5","6","1","4","1") = "5"
    & skf21("2","2","6","5","6","1","5","1") = "5"
    & skf21("2","2","6","5","6","1","6","1") = "5"
    & skf21("2","2","6","5","6","1","7","1") = "6"
    & skf21("2","2","6","5","6","2","1","1") = "5"
    & skf21("2","2","6","5","6","2","2","1") = "5"
    & skf21("2","2","6","5","6","2","3","1") = "5"
    & skf21("2","2","6","5","6","2","4","1") = "5"
    & skf21("2","2","6","5","6","2","5","1") = "5"
    & skf21("2","2","6","5","6","2","6","1") = "5"
    & skf21("2","2","6","5","6","2","7","1") = "6"
    & skf21("2","2","6","5","6","3","1","1") = "5"
    & skf21("2","2","6","5","6","3","2","1") = "5"
    & skf21("2","2","6","5","6","3","3","1") = "5"
    & skf21("2","2","6","5","6","3","4","1") = "5"
    & skf21("2","2","6","5","6","3","5","1") = "5"
    & skf21("2","2","6","5","6","3","6","1") = "5"
    & skf21("2","2","6","5","6","3","7","1") = "6"
    & skf21("2","2","6","5","6","4","1","1") = "5"
    & skf21("2","2","6","5","6","4","2","1") = "5"
    & skf21("2","2","6","5","6","4","3","1") = "5"
    & skf21("2","2","6","5","6","4","4","1") = "5"
    & skf21("2","2","6","5","6","4","5","1") = "5"
    & skf21("2","2","6","5","6","4","6","1") = "5"
    & skf21("2","2","6","5","6","4","7","1") = "6"
    & skf21("2","2","6","5","6","5","1","1") = "5"
    & skf21("2","2","6","5","6","5","2","1") = "5"
    & skf21("2","2","6","5","6","5","3","1") = "5"
    & skf21("2","2","6","5","6","5","4","1") = "5"
    & skf21("2","2","6","5","6","5","5","1") = "5"
    & skf21("2","2","6","5","6","5","6","1") = "5"
    & skf21("2","2","6","5","6","5","7","1") = "6"
    & skf21("2","2","6","5","6","6","1","1") = "5"
    & skf21("2","2","6","5","6","6","2","1") = "5"
    & skf21("2","2","6","5","6","6","3","1") = "5"
    & skf21("2","2","6","5","6","6","4","1") = "5"
    & skf21("2","2","6","5","6","6","5","1") = "5"
    & skf21("2","2","6","5","6","6","6","1") = "5"
    & skf21("2","2","6","5","6","6","7","1") = "6"
    & skf21("2","2","6","5","6","7","1","1") = "6"
    & skf21("2","2","6","5","6","7","2","1") = "6"
    & skf21("2","2","6","5","6","7","3","1") = "6"
    & skf21("2","2","6","5","6","7","4","1") = "6"
    & skf21("2","2","6","5","6","7","5","1") = "6"
    & skf21("2","2","6","5","6","7","6","1") = "6"
    & skf21("2","2","6","5","6","7","7","1") = "6"
    & skf21("2","2","6","5","7","1","1","1") = "6"
    & skf21("2","2","6","5","7","1","2","1") = "6"
    & skf21("2","2","6","5","7","1","3","1") = "6"
    & skf21("2","2","6","5","7","1","4","1") = "6"
    & skf21("2","2","6","5","7","1","5","1") = "6"
    & skf21("2","2","6","5","7","1","6","1") = "6"
    & skf21("2","2","6","5","7","1","7","1") = "6"
    & skf21("2","2","6","5","7","2","1","1") = "6"
    & skf21("2","2","6","5","7","2","2","1") = "6"
    & skf21("2","2","6","5","7","2","3","1") = "6"
    & skf21("2","2","6","5","7","2","4","1") = "6"
    & skf21("2","2","6","5","7","2","5","1") = "6"
    & skf21("2","2","6","5","7","2","6","1") = "6"
    & skf21("2","2","6","5","7","2","7","1") = "6"
    & skf21("2","2","6","5","7","3","1","1") = "6"
    & skf21("2","2","6","5","7","3","2","1") = "6"
    & skf21("2","2","6","5","7","3","3","1") = "6"
    & skf21("2","2","6","5","7","3","4","1") = "6"
    & skf21("2","2","6","5","7","3","5","1") = "6"
    & skf21("2","2","6","5","7","3","6","1") = "6"
    & skf21("2","2","6","5","7","3","7","1") = "6"
    & skf21("2","2","6","5","7","4","1","1") = "6"
    & skf21("2","2","6","5","7","4","2","1") = "6"
    & skf21("2","2","6","5","7","4","3","1") = "6"
    & skf21("2","2","6","5","7","4","4","1") = "6"
    & skf21("2","2","6","5","7","4","5","1") = "6"
    & skf21("2","2","6","5","7","4","6","1") = "6"
    & skf21("2","2","6","5","7","4","7","1") = "6"
    & skf21("2","2","6","5","7","5","1","1") = "6"
    & skf21("2","2","6","5","7","5","2","1") = "6"
    & skf21("2","2","6","5","7","5","3","1") = "6"
    & skf21("2","2","6","5","7","5","4","1") = "6"
    & skf21("2","2","6","5","7","5","5","1") = "6"
    & skf21("2","2","6","5","7","5","6","1") = "6"
    & skf21("2","2","6","5","7","5","7","1") = "6"
    & skf21("2","2","6","5","7","6","1","1") = "6"
    & skf21("2","2","6","5","7","6","2","1") = "6"
    & skf21("2","2","6","5","7","6","3","1") = "6"
    & skf21("2","2","6","5","7","6","4","1") = "6"
    & skf21("2","2","6","5","7","6","5","1") = "6"
    & skf21("2","2","6","5","7","6","6","1") = "6"
    & skf21("2","2","6","5","7","6","7","1") = "6"
    & skf21("2","2","6","5","7","7","1","1") = "6"
    & skf21("2","2","6","5","7","7","2","1") = "6"
    & skf21("2","2","6","5","7","7","3","1") = "6"
    & skf21("2","2","6","5","7","7","4","1") = "6"
    & skf21("2","2","6","5","7","7","5","1") = "6"
    & skf21("2","2","6","5","7","7","6","1") = "6"
    & skf21("2","2","6","5","7","7","7","1") = "6"
    & skf21("2","2","6","6","1","1","1","1") = "5"
    & skf21("2","2","6","6","1","1","2","1") = "5"
    & skf21("2","2","6","6","1","1","3","1") = "5"
    & skf21("2","2","6","6","1","1","4","1") = "5"
    & skf21("2","2","6","6","1","1","5","1") = "5"
    & skf21("2","2","6","6","1","1","6","1") = "5"
    & skf21("2","2","6","6","1","1","7","1") = "6"
    & skf21("2","2","6","6","1","2","1","1") = "5"
    & skf21("2","2","6","6","1","2","2","1") = "5"
    & skf21("2","2","6","6","1","2","3","1") = "5"
    & skf21("2","2","6","6","1","2","4","1") = "5"
    & skf21("2","2","6","6","1","2","5","1") = "5"
    & skf21("2","2","6","6","1","2","6","1") = "5"
    & skf21("2","2","6","6","1","2","7","1") = "6"
    & skf21("2","2","6","6","1","3","1","1") = "5"
    & skf21("2","2","6","6","1","3","2","1") = "5"
    & skf21("2","2","6","6","1","3","3","1") = "5"
    & skf21("2","2","6","6","1","3","4","1") = "5"
    & skf21("2","2","6","6","1","3","5","1") = "5"
    & skf21("2","2","6","6","1","3","6","1") = "5"
    & skf21("2","2","6","6","1","3","7","1") = "6"
    & skf21("2","2","6","6","1","4","1","1") = "5"
    & skf21("2","2","6","6","1","4","2","1") = "5"
    & skf21("2","2","6","6","1","4","3","1") = "5"
    & skf21("2","2","6","6","1","4","4","1") = "5"
    & skf21("2","2","6","6","1","4","5","1") = "5"
    & skf21("2","2","6","6","1","4","6","1") = "5"
    & skf21("2","2","6","6","1","4","7","1") = "6"
    & skf21("2","2","6","6","1","5","1","1") = "5"
    & skf21("2","2","6","6","1","5","2","1") = "5"
    & skf21("2","2","6","6","1","5","3","1") = "5"
    & skf21("2","2","6","6","1","5","4","1") = "5"
    & skf21("2","2","6","6","1","5","5","1") = "5"
    & skf21("2","2","6","6","1","5","6","1") = "5"
    & skf21("2","2","6","6","1","5","7","1") = "6"
    & skf21("2","2","6","6","1","6","1","1") = "5"
    & skf21("2","2","6","6","1","6","2","1") = "5"
    & skf21("2","2","6","6","1","6","3","1") = "5"
    & skf21("2","2","6","6","1","6","4","1") = "5"
    & skf21("2","2","6","6","1","6","5","1") = "5"
    & skf21("2","2","6","6","1","6","6","1") = "5"
    & skf21("2","2","6","6","1","6","7","1") = "6"
    & skf21("2","2","6","6","1","7","1","1") = "6"
    & skf21("2","2","6","6","1","7","2","1") = "6"
    & skf21("2","2","6","6","1","7","3","1") = "6"
    & skf21("2","2","6","6","1","7","4","1") = "6"
    & skf21("2","2","6","6","1","7","5","1") = "6"
    & skf21("2","2","6","6","1","7","6","1") = "6"
    & skf21("2","2","6","6","1","7","7","1") = "6"
    & skf21("2","2","6","6","2","1","1","1") = "5"
    & skf21("2","2","6","6","2","1","2","1") = "5"
    & skf21("2","2","6","6","2","1","3","1") = "5"
    & skf21("2","2","6","6","2","1","4","1") = "5"
    & skf21("2","2","6","6","2","1","5","1") = "5"
    & skf21("2","2","6","6","2","1","6","1") = "5"
    & skf21("2","2","6","6","2","1","7","1") = "6"
    & skf21("2","2","6","6","2","2","1","1") = "5"
    & skf21("2","2","6","6","2","2","2","1") = "5"
    & skf21("2","2","6","6","2","2","3","1") = "5"
    & skf21("2","2","6","6","2","2","4","1") = "5"
    & skf21("2","2","6","6","2","2","5","1") = "5"
    & skf21("2","2","6","6","2","2","6","1") = "5"
    & skf21("2","2","6","6","2","2","7","1") = "6"
    & skf21("2","2","6","6","2","3","1","1") = "5"
    & skf21("2","2","6","6","2","3","2","1") = "5"
    & skf21("2","2","6","6","2","3","3","1") = "5"
    & skf21("2","2","6","6","2","3","4","1") = "5"
    & skf21("2","2","6","6","2","3","5","1") = "5"
    & skf21("2","2","6","6","2","3","6","1") = "5"
    & skf21("2","2","6","6","2","3","7","1") = "6"
    & skf21("2","2","6","6","2","4","1","1") = "5"
    & skf21("2","2","6","6","2","4","2","1") = "5"
    & skf21("2","2","6","6","2","4","3","1") = "5"
    & skf21("2","2","6","6","2","4","4","1") = "5"
    & skf21("2","2","6","6","2","4","5","1") = "5"
    & skf21("2","2","6","6","2","4","6","1") = "5"
    & skf21("2","2","6","6","2","4","7","1") = "6"
    & skf21("2","2","6","6","2","5","1","1") = "5"
    & skf21("2","2","6","6","2","5","2","1") = "5"
    & skf21("2","2","6","6","2","5","3","1") = "5"
    & skf21("2","2","6","6","2","5","4","1") = "5"
    & skf21("2","2","6","6","2","5","5","1") = "5"
    & skf21("2","2","6","6","2","5","6","1") = "5"
    & skf21("2","2","6","6","2","5","7","1") = "6"
    & skf21("2","2","6","6","2","6","1","1") = "5"
    & skf21("2","2","6","6","2","6","2","1") = "5"
    & skf21("2","2","6","6","2","6","3","1") = "5"
    & skf21("2","2","6","6","2","6","4","1") = "5"
    & skf21("2","2","6","6","2","6","5","1") = "5"
    & skf21("2","2","6","6","2","6","6","1") = "5"
    & skf21("2","2","6","6","2","6","7","1") = "6"
    & skf21("2","2","6","6","2","7","1","1") = "6"
    & skf21("2","2","6","6","2","7","2","1") = "6"
    & skf21("2","2","6","6","2","7","3","1") = "6"
    & skf21("2","2","6","6","2","7","4","1") = "6"
    & skf21("2","2","6","6","2","7","5","1") = "6"
    & skf21("2","2","6","6","2","7","6","1") = "6"
    & skf21("2","2","6","6","2","7","7","1") = "6"
    & skf21("2","2","6","6","3","1","1","1") = "5"
    & skf21("2","2","6","6","3","1","2","1") = "5"
    & skf21("2","2","6","6","3","1","3","1") = "5"
    & skf21("2","2","6","6","3","1","4","1") = "5"
    & skf21("2","2","6","6","3","1","5","1") = "5"
    & skf21("2","2","6","6","3","1","6","1") = "5"
    & skf21("2","2","6","6","3","1","7","1") = "6"
    & skf21("2","2","6","6","3","2","1","1") = "5"
    & skf21("2","2","6","6","3","2","2","1") = "5"
    & skf21("2","2","6","6","3","2","3","1") = "5"
    & skf21("2","2","6","6","3","2","4","1") = "5"
    & skf21("2","2","6","6","3","2","5","1") = "5"
    & skf21("2","2","6","6","3","2","6","1") = "5"
    & skf21("2","2","6","6","3","2","7","1") = "6"
    & skf21("2","2","6","6","3","3","1","1") = "5"
    & skf21("2","2","6","6","3","3","2","1") = "5"
    & skf21("2","2","6","6","3","3","3","1") = "5"
    & skf21("2","2","6","6","3","3","4","1") = "5"
    & skf21("2","2","6","6","3","3","5","1") = "5"
    & skf21("2","2","6","6","3","3","6","1") = "5"
    & skf21("2","2","6","6","3","3","7","1") = "6"
    & skf21("2","2","6","6","3","4","1","1") = "5"
    & skf21("2","2","6","6","3","4","2","1") = "5"
    & skf21("2","2","6","6","3","4","3","1") = "5"
    & skf21("2","2","6","6","3","4","4","1") = "5"
    & skf21("2","2","6","6","3","4","5","1") = "5"
    & skf21("2","2","6","6","3","4","6","1") = "5"
    & skf21("2","2","6","6","3","4","7","1") = "6"
    & skf21("2","2","6","6","3","5","1","1") = "5"
    & skf21("2","2","6","6","3","5","2","1") = "5"
    & skf21("2","2","6","6","3","5","3","1") = "5"
    & skf21("2","2","6","6","3","5","4","1") = "5"
    & skf21("2","2","6","6","3","5","5","1") = "5"
    & skf21("2","2","6","6","3","5","6","1") = "5"
    & skf21("2","2","6","6","3","5","7","1") = "6"
    & skf21("2","2","6","6","3","6","1","1") = "5"
    & skf21("2","2","6","6","3","6","2","1") = "5"
    & skf21("2","2","6","6","3","6","3","1") = "5"
    & skf21("2","2","6","6","3","6","4","1") = "5"
    & skf21("2","2","6","6","3","6","5","1") = "5"
    & skf21("2","2","6","6","3","6","6","1") = "5"
    & skf21("2","2","6","6","3","6","7","1") = "6"
    & skf21("2","2","6","6","3","7","1","1") = "6"
    & skf21("2","2","6","6","3","7","2","1") = "6"
    & skf21("2","2","6","6","3","7","3","1") = "6"
    & skf21("2","2","6","6","3","7","4","1") = "6"
    & skf21("2","2","6","6","3","7","5","1") = "6"
    & skf21("2","2","6","6","3","7","6","1") = "6"
    & skf21("2","2","6","6","3","7","7","1") = "6"
    & skf21("2","2","6","6","4","1","1","1") = "5"
    & skf21("2","2","6","6","4","1","2","1") = "5"
    & skf21("2","2","6","6","4","1","3","1") = "5"
    & skf21("2","2","6","6","4","1","4","1") = "5"
    & skf21("2","2","6","6","4","1","5","1") = "5"
    & skf21("2","2","6","6","4","1","6","1") = "5"
    & skf21("2","2","6","6","4","1","7","1") = "6"
    & skf21("2","2","6","6","4","2","1","1") = "5"
    & skf21("2","2","6","6","4","2","2","1") = "5"
    & skf21("2","2","6","6","4","2","3","1") = "5"
    & skf21("2","2","6","6","4","2","4","1") = "5"
    & skf21("2","2","6","6","4","2","5","1") = "5"
    & skf21("2","2","6","6","4","2","6","1") = "5"
    & skf21("2","2","6","6","4","2","7","1") = "6"
    & skf21("2","2","6","6","4","3","1","1") = "5"
    & skf21("2","2","6","6","4","3","2","1") = "5"
    & skf21("2","2","6","6","4","3","3","1") = "5"
    & skf21("2","2","6","6","4","3","4","1") = "5"
    & skf21("2","2","6","6","4","3","5","1") = "5"
    & skf21("2","2","6","6","4","3","6","1") = "5"
    & skf21("2","2","6","6","4","3","7","1") = "6"
    & skf21("2","2","6","6","4","4","1","1") = "5"
    & skf21("2","2","6","6","4","4","2","1") = "5"
    & skf21("2","2","6","6","4","4","3","1") = "5"
    & skf21("2","2","6","6","4","4","4","1") = "5"
    & skf21("2","2","6","6","4","4","5","1") = "5"
    & skf21("2","2","6","6","4","4","6","1") = "5"
    & skf21("2","2","6","6","4","4","7","1") = "6"
    & skf21("2","2","6","6","4","5","1","1") = "5"
    & skf21("2","2","6","6","4","5","2","1") = "5"
    & skf21("2","2","6","6","4","5","3","1") = "5"
    & skf21("2","2","6","6","4","5","4","1") = "5"
    & skf21("2","2","6","6","4","5","5","1") = "5"
    & skf21("2","2","6","6","4","5","6","1") = "5"
    & skf21("2","2","6","6","4","5","7","1") = "6"
    & skf21("2","2","6","6","4","6","1","1") = "5"
    & skf21("2","2","6","6","4","6","2","1") = "5"
    & skf21("2","2","6","6","4","6","3","1") = "5"
    & skf21("2","2","6","6","4","6","4","1") = "5"
    & skf21("2","2","6","6","4","6","5","1") = "5"
    & skf21("2","2","6","6","4","6","6","1") = "5"
    & skf21("2","2","6","6","4","6","7","1") = "6"
    & skf21("2","2","6","6","4","7","1","1") = "6"
    & skf21("2","2","6","6","4","7","2","1") = "6"
    & skf21("2","2","6","6","4","7","3","1") = "6"
    & skf21("2","2","6","6","4","7","4","1") = "6"
    & skf21("2","2","6","6","4","7","5","1") = "6"
    & skf21("2","2","6","6","4","7","6","1") = "6"
    & skf21("2","2","6","6","4","7","7","1") = "6"
    & skf21("2","2","6","6","5","1","1","1") = "5"
    & skf21("2","2","6","6","5","1","2","1") = "5"
    & skf21("2","2","6","6","5","1","3","1") = "5"
    & skf21("2","2","6","6","5","1","4","1") = "5"
    & skf21("2","2","6","6","5","1","5","1") = "5"
    & skf21("2","2","6","6","5","1","6","1") = "5"
    & skf21("2","2","6","6","5","1","7","1") = "6"
    & skf21("2","2","6","6","5","2","1","1") = "5"
    & skf21("2","2","6","6","5","2","2","1") = "5"
    & skf21("2","2","6","6","5","2","3","1") = "5"
    & skf21("2","2","6","6","5","2","4","1") = "5"
    & skf21("2","2","6","6","5","2","5","1") = "5"
    & skf21("2","2","6","6","5","2","6","1") = "5"
    & skf21("2","2","6","6","5","2","7","1") = "6"
    & skf21("2","2","6","6","5","3","1","1") = "5"
    & skf21("2","2","6","6","5","3","2","1") = "5"
    & skf21("2","2","6","6","5","3","3","1") = "5"
    & skf21("2","2","6","6","5","3","4","1") = "5"
    & skf21("2","2","6","6","5","3","5","1") = "5"
    & skf21("2","2","6","6","5","3","6","1") = "5"
    & skf21("2","2","6","6","5","3","7","1") = "6"
    & skf21("2","2","6","6","5","4","1","1") = "5"
    & skf21("2","2","6","6","5","4","2","1") = "5"
    & skf21("2","2","6","6","5","4","3","1") = "5"
    & skf21("2","2","6","6","5","4","4","1") = "5"
    & skf21("2","2","6","6","5","4","5","1") = "5"
    & skf21("2","2","6","6","5","4","6","1") = "5"
    & skf21("2","2","6","6","5","4","7","1") = "6"
    & skf21("2","2","6","6","5","5","1","1") = "5"
    & skf21("2","2","6","6","5","5","2","1") = "5"
    & skf21("2","2","6","6","5","5","3","1") = "5"
    & skf21("2","2","6","6","5","5","4","1") = "5"
    & skf21("2","2","6","6","5","5","5","1") = "5"
    & skf21("2","2","6","6","5","5","6","1") = "5"
    & skf21("2","2","6","6","5","5","7","1") = "6"
    & skf21("2","2","6","6","5","6","1","1") = "5"
    & skf21("2","2","6","6","5","6","2","1") = "5"
    & skf21("2","2","6","6","5","6","3","1") = "5"
    & skf21("2","2","6","6","5","6","4","1") = "5"
    & skf21("2","2","6","6","5","6","5","1") = "5"
    & skf21("2","2","6","6","5","6","6","1") = "5"
    & skf21("2","2","6","6","5","6","7","1") = "6"
    & skf21("2","2","6","6","5","7","1","1") = "6"
    & skf21("2","2","6","6","5","7","2","1") = "6"
    & skf21("2","2","6","6","5","7","3","1") = "6"
    & skf21("2","2","6","6","5","7","4","1") = "6"
    & skf21("2","2","6","6","5","7","5","1") = "6"
    & skf21("2","2","6","6","5","7","6","1") = "6"
    & skf21("2","2","6","6","5","7","7","1") = "6"
    & skf21("2","2","6","6","6","1","1","1") = "5"
    & skf21("2","2","6","6","6","1","2","1") = "5"
    & skf21("2","2","6","6","6","1","3","1") = "5"
    & skf21("2","2","6","6","6","1","4","1") = "5"
    & skf21("2","2","6","6","6","1","5","1") = "5"
    & skf21("2","2","6","6","6","1","6","1") = "5"
    & skf21("2","2","6","6","6","1","7","1") = "6"
    & skf21("2","2","6","6","6","2","1","1") = "5"
    & skf21("2","2","6","6","6","2","2","1") = "5"
    & skf21("2","2","6","6","6","2","3","1") = "5"
    & skf21("2","2","6","6","6","2","4","1") = "5"
    & skf21("2","2","6","6","6","2","5","1") = "5"
    & skf21("2","2","6","6","6","2","6","1") = "5"
    & skf21("2","2","6","6","6","2","7","1") = "6"
    & skf21("2","2","6","6","6","3","1","1") = "5"
    & skf21("2","2","6","6","6","3","2","1") = "5"
    & skf21("2","2","6","6","6","3","3","1") = "5"
    & skf21("2","2","6","6","6","3","4","1") = "5"
    & skf21("2","2","6","6","6","3","5","1") = "5"
    & skf21("2","2","6","6","6","3","6","1") = "5"
    & skf21("2","2","6","6","6","3","7","1") = "6"
    & skf21("2","2","6","6","6","4","1","1") = "5"
    & skf21("2","2","6","6","6","4","2","1") = "5"
    & skf21("2","2","6","6","6","4","3","1") = "5"
    & skf21("2","2","6","6","6","4","4","1") = "5"
    & skf21("2","2","6","6","6","4","5","1") = "5"
    & skf21("2","2","6","6","6","4","6","1") = "5"
    & skf21("2","2","6","6","6","4","7","1") = "6"
    & skf21("2","2","6","6","6","5","1","1") = "5"
    & skf21("2","2","6","6","6","5","2","1") = "5"
    & skf21("2","2","6","6","6","5","3","1") = "5"
    & skf21("2","2","6","6","6","5","4","1") = "5"
    & skf21("2","2","6","6","6","5","5","1") = "5"
    & skf21("2","2","6","6","6","5","6","1") = "5"
    & skf21("2","2","6","6","6","5","7","1") = "6"
    & skf21("2","2","6","6","6","6","1","1") = "5"
    & skf21("2","2","6","6","6","6","2","1") = "5"
    & skf21("2","2","6","6","6","6","3","1") = "5"
    & skf21("2","2","6","6","6","6","4","1") = "5"
    & skf21("2","2","6","6","6","6","5","1") = "5"
    & skf21("2","2","6","6","6","6","6","1") = "5"
    & skf21("2","2","6","6","6","6","7","1") = "6"
    & skf21("2","2","6","6","6","7","1","1") = "6"
    & skf21("2","2","6","6","6","7","2","1") = "6"
    & skf21("2","2","6","6","6","7","3","1") = "6"
    & skf21("2","2","6","6","6","7","4","1") = "6"
    & skf21("2","2","6","6","6","7","5","1") = "6"
    & skf21("2","2","6","6","6","7","6","1") = "6"
    & skf21("2","2","6","6","6","7","7","1") = "6"
    & skf21("2","2","6","6","7","1","1","1") = "6"
    & skf21("2","2","6","6","7","1","2","1") = "6"
    & skf21("2","2","6","6","7","1","3","1") = "6"
    & skf21("2","2","6","6","7","1","4","1") = "6"
    & skf21("2","2","6","6","7","1","5","1") = "6"
    & skf21("2","2","6","6","7","1","6","1") = "6"
    & skf21("2","2","6","6","7","1","7","1") = "6"
    & skf21("2","2","6","6","7","2","1","1") = "6"
    & skf21("2","2","6","6","7","2","2","1") = "6"
    & skf21("2","2","6","6","7","2","3","1") = "6"
    & skf21("2","2","6","6","7","2","4","1") = "6"
    & skf21("2","2","6","6","7","2","5","1") = "6"
    & skf21("2","2","6","6","7","2","6","1") = "6"
    & skf21("2","2","6","6","7","2","7","1") = "6"
    & skf21("2","2","6","6","7","3","1","1") = "6"
    & skf21("2","2","6","6","7","3","2","1") = "6"
    & skf21("2","2","6","6","7","3","3","1") = "6"
    & skf21("2","2","6","6","7","3","4","1") = "6"
    & skf21("2","2","6","6","7","3","5","1") = "6"
    & skf21("2","2","6","6","7","3","6","1") = "6"
    & skf21("2","2","6","6","7","3","7","1") = "6"
    & skf21("2","2","6","6","7","4","1","1") = "6"
    & skf21("2","2","6","6","7","4","2","1") = "6"
    & skf21("2","2","6","6","7","4","3","1") = "6"
    & skf21("2","2","6","6","7","4","4","1") = "6"
    & skf21("2","2","6","6","7","4","5","1") = "6"
    & skf21("2","2","6","6","7","4","6","1") = "6"
    & skf21("2","2","6","6","7","4","7","1") = "6"
    & skf21("2","2","6","6","7","5","1","1") = "6"
    & skf21("2","2","6","6","7","5","2","1") = "6"
    & skf21("2","2","6","6","7","5","3","1") = "6"
    & skf21("2","2","6","6","7","5","4","1") = "6"
    & skf21("2","2","6","6","7","5","5","1") = "6"
    & skf21("2","2","6","6","7","5","6","1") = "6"
    & skf21("2","2","6","6","7","5","7","1") = "6"
    & skf21("2","2","6","6","7","6","1","1") = "6"
    & skf21("2","2","6","6","7","6","2","1") = "6"
    & skf21("2","2","6","6","7","6","3","1") = "6"
    & skf21("2","2","6","6","7","6","4","1") = "6"
    & skf21("2","2","6","6","7","6","5","1") = "6"
    & skf21("2","2","6","6","7","6","6","1") = "6"
    & skf21("2","2","6","6","7","6","7","1") = "6"
    & skf21("2","2","6","6","7","7","1","1") = "6"
    & skf21("2","2","6","6","7","7","2","1") = "6"
    & skf21("2","2","6","6","7","7","3","1") = "6"
    & skf21("2","2","6","6","7","7","4","1") = "6"
    & skf21("2","2","6","6","7","7","5","1") = "6"
    & skf21("2","2","6","6","7","7","6","1") = "6"
    & skf21("2","2","6","6","7","7","7","1") = "6"
    & skf21("2","2","6","7","1","1","1","1") = "6"
    & skf21("2","2","6","7","1","1","2","1") = "6"
    & skf21("2","2","6","7","1","1","3","1") = "6"
    & skf21("2","2","6","7","1","1","4","1") = "6"
    & skf21("2","2","6","7","1","1","5","1") = "6"
    & skf21("2","2","6","7","1","1","6","1") = "6"
    & skf21("2","2","6","7","1","1","7","1") = "6"
    & skf21("2","2","6","7","1","2","1","1") = "6"
    & skf21("2","2","6","7","1","2","2","1") = "6"
    & skf21("2","2","6","7","1","2","3","1") = "6"
    & skf21("2","2","6","7","1","2","4","1") = "6"
    & skf21("2","2","6","7","1","2","5","1") = "6"
    & skf21("2","2","6","7","1","2","6","1") = "6"
    & skf21("2","2","6","7","1","2","7","1") = "6"
    & skf21("2","2","6","7","1","3","1","1") = "6"
    & skf21("2","2","6","7","1","3","2","1") = "6"
    & skf21("2","2","6","7","1","3","3","1") = "6"
    & skf21("2","2","6","7","1","3","4","1") = "6"
    & skf21("2","2","6","7","1","3","5","1") = "6"
    & skf21("2","2","6","7","1","3","6","1") = "6"
    & skf21("2","2","6","7","1","3","7","1") = "6"
    & skf21("2","2","6","7","1","4","1","1") = "6"
    & skf21("2","2","6","7","1","4","2","1") = "6"
    & skf21("2","2","6","7","1","4","3","1") = "6"
    & skf21("2","2","6","7","1","4","4","1") = "6"
    & skf21("2","2","6","7","1","4","5","1") = "6"
    & skf21("2","2","6","7","1","4","6","1") = "6"
    & skf21("2","2","6","7","1","4","7","1") = "6"
    & skf21("2","2","6","7","1","5","1","1") = "6"
    & skf21("2","2","6","7","1","5","2","1") = "6"
    & skf21("2","2","6","7","1","5","3","1") = "6"
    & skf21("2","2","6","7","1","5","4","1") = "6"
    & skf21("2","2","6","7","1","5","5","1") = "6"
    & skf21("2","2","6","7","1","5","6","1") = "6"
    & skf21("2","2","6","7","1","5","7","1") = "6"
    & skf21("2","2","6","7","1","6","1","1") = "6"
    & skf21("2","2","6","7","1","6","2","1") = "6"
    & skf21("2","2","6","7","1","6","3","1") = "6"
    & skf21("2","2","6","7","1","6","4","1") = "6"
    & skf21("2","2","6","7","1","6","5","1") = "6"
    & skf21("2","2","6","7","1","6","6","1") = "6"
    & skf21("2","2","6","7","1","6","7","1") = "6"
    & skf21("2","2","6","7","1","7","1","1") = "6"
    & skf21("2","2","6","7","1","7","2","1") = "6"
    & skf21("2","2","6","7","1","7","3","1") = "6"
    & skf21("2","2","6","7","1","7","4","1") = "6"
    & skf21("2","2","6","7","1","7","5","1") = "6"
    & skf21("2","2","6","7","1","7","6","1") = "6"
    & skf21("2","2","6","7","1","7","7","1") = "6"
    & skf21("2","2","6","7","2","1","1","1") = "6"
    & skf21("2","2","6","7","2","1","2","1") = "6"
    & skf21("2","2","6","7","2","1","3","1") = "6"
    & skf21("2","2","6","7","2","1","4","1") = "6"
    & skf21("2","2","6","7","2","1","5","1") = "6"
    & skf21("2","2","6","7","2","1","6","1") = "6"
    & skf21("2","2","6","7","2","1","7","1") = "6"
    & skf21("2","2","6","7","2","2","1","1") = "6"
    & skf21("2","2","6","7","2","2","2","1") = "6"
    & skf21("2","2","6","7","2","2","3","1") = "6"
    & skf21("2","2","6","7","2","2","4","1") = "6"
    & skf21("2","2","6","7","2","2","5","1") = "6"
    & skf21("2","2","6","7","2","2","6","1") = "6"
    & skf21("2","2","6","7","2","2","7","1") = "6"
    & skf21("2","2","6","7","2","3","1","1") = "6"
    & skf21("2","2","6","7","2","3","2","1") = "6"
    & skf21("2","2","6","7","2","3","3","1") = "6"
    & skf21("2","2","6","7","2","3","4","1") = "6"
    & skf21("2","2","6","7","2","3","5","1") = "6"
    & skf21("2","2","6","7","2","3","6","1") = "6"
    & skf21("2","2","6","7","2","3","7","1") = "6"
    & skf21("2","2","6","7","2","4","1","1") = "6"
    & skf21("2","2","6","7","2","4","2","1") = "6"
    & skf21("2","2","6","7","2","4","3","1") = "6"
    & skf21("2","2","6","7","2","4","4","1") = "6"
    & skf21("2","2","6","7","2","4","5","1") = "6"
    & skf21("2","2","6","7","2","4","6","1") = "6"
    & skf21("2","2","6","7","2","4","7","1") = "6"
    & skf21("2","2","6","7","2","5","1","1") = "6"
    & skf21("2","2","6","7","2","5","2","1") = "6"
    & skf21("2","2","6","7","2","5","3","1") = "6"
    & skf21("2","2","6","7","2","5","4","1") = "6"
    & skf21("2","2","6","7","2","5","5","1") = "6"
    & skf21("2","2","6","7","2","5","6","1") = "6"
    & skf21("2","2","6","7","2","5","7","1") = "6"
    & skf21("2","2","6","7","2","6","1","1") = "6"
    & skf21("2","2","6","7","2","6","2","1") = "6"
    & skf21("2","2","6","7","2","6","3","1") = "6"
    & skf21("2","2","6","7","2","6","4","1") = "6"
    & skf21("2","2","6","7","2","6","5","1") = "6"
    & skf21("2","2","6","7","2","6","6","1") = "6"
    & skf21("2","2","6","7","2","6","7","1") = "6"
    & skf21("2","2","6","7","2","7","1","1") = "6"
    & skf21("2","2","6","7","2","7","2","1") = "6"
    & skf21("2","2","6","7","2","7","3","1") = "6"
    & skf21("2","2","6","7","2","7","4","1") = "6"
    & skf21("2","2","6","7","2","7","5","1") = "6"
    & skf21("2","2","6","7","2","7","6","1") = "6"
    & skf21("2","2","6","7","2","7","7","1") = "6"
    & skf21("2","2","6","7","3","1","1","1") = "6"
    & skf21("2","2","6","7","3","1","2","1") = "6"
    & skf21("2","2","6","7","3","1","3","1") = "6"
    & skf21("2","2","6","7","3","1","4","1") = "6"
    & skf21("2","2","6","7","3","1","5","1") = "6"
    & skf21("2","2","6","7","3","1","6","1") = "6"
    & skf21("2","2","6","7","3","1","7","1") = "6"
    & skf21("2","2","6","7","3","2","1","1") = "6"
    & skf21("2","2","6","7","3","2","2","1") = "6"
    & skf21("2","2","6","7","3","2","3","1") = "6"
    & skf21("2","2","6","7","3","2","4","1") = "6"
    & skf21("2","2","6","7","3","2","5","1") = "6"
    & skf21("2","2","6","7","3","2","6","1") = "6"
    & skf21("2","2","6","7","3","2","7","1") = "6"
    & skf21("2","2","6","7","3","3","1","1") = "6"
    & skf21("2","2","6","7","3","3","2","1") = "6"
    & skf21("2","2","6","7","3","3","3","1") = "6"
    & skf21("2","2","6","7","3","3","4","1") = "6"
    & skf21("2","2","6","7","3","3","5","1") = "6"
    & skf21("2","2","6","7","3","3","6","1") = "6"
    & skf21("2","2","6","7","3","3","7","1") = "6"
    & skf21("2","2","6","7","3","4","1","1") = "6"
    & skf21("2","2","6","7","3","4","2","1") = "6"
    & skf21("2","2","6","7","3","4","3","1") = "6"
    & skf21("2","2","6","7","3","4","4","1") = "6"
    & skf21("2","2","6","7","3","4","5","1") = "6"
    & skf21("2","2","6","7","3","4","6","1") = "6"
    & skf21("2","2","6","7","3","4","7","1") = "6"
    & skf21("2","2","6","7","3","5","1","1") = "6"
    & skf21("2","2","6","7","3","5","2","1") = "6"
    & skf21("2","2","6","7","3","5","3","1") = "6"
    & skf21("2","2","6","7","3","5","4","1") = "6"
    & skf21("2","2","6","7","3","5","5","1") = "6"
    & skf21("2","2","6","7","3","5","6","1") = "6"
    & skf21("2","2","6","7","3","5","7","1") = "6"
    & skf21("2","2","6","7","3","6","1","1") = "6"
    & skf21("2","2","6","7","3","6","2","1") = "6"
    & skf21("2","2","6","7","3","6","3","1") = "6"
    & skf21("2","2","6","7","3","6","4","1") = "6"
    & skf21("2","2","6","7","3","6","5","1") = "6"
    & skf21("2","2","6","7","3","6","6","1") = "6"
    & skf21("2","2","6","7","3","6","7","1") = "6"
    & skf21("2","2","6","7","3","7","1","1") = "6"
    & skf21("2","2","6","7","3","7","2","1") = "6"
    & skf21("2","2","6","7","3","7","3","1") = "6"
    & skf21("2","2","6","7","3","7","4","1") = "6"
    & skf21("2","2","6","7","3","7","5","1") = "6"
    & skf21("2","2","6","7","3","7","6","1") = "6"
    & skf21("2","2","6","7","3","7","7","1") = "6"
    & skf21("2","2","6","7","4","1","1","1") = "6"
    & skf21("2","2","6","7","4","1","2","1") = "6"
    & skf21("2","2","6","7","4","1","3","1") = "6"
    & skf21("2","2","6","7","4","1","4","1") = "6"
    & skf21("2","2","6","7","4","1","5","1") = "6"
    & skf21("2","2","6","7","4","1","6","1") = "6"
    & skf21("2","2","6","7","4","1","7","1") = "6"
    & skf21("2","2","6","7","4","2","1","1") = "6"
    & skf21("2","2","6","7","4","2","2","1") = "6"
    & skf21("2","2","6","7","4","2","3","1") = "6"
    & skf21("2","2","6","7","4","2","4","1") = "6"
    & skf21("2","2","6","7","4","2","5","1") = "6"
    & skf21("2","2","6","7","4","2","6","1") = "6"
    & skf21("2","2","6","7","4","2","7","1") = "6"
    & skf21("2","2","6","7","4","3","1","1") = "6"
    & skf21("2","2","6","7","4","3","2","1") = "6"
    & skf21("2","2","6","7","4","3","3","1") = "6"
    & skf21("2","2","6","7","4","3","4","1") = "6"
    & skf21("2","2","6","7","4","3","5","1") = "6"
    & skf21("2","2","6","7","4","3","6","1") = "6"
    & skf21("2","2","6","7","4","3","7","1") = "6"
    & skf21("2","2","6","7","4","4","1","1") = "6"
    & skf21("2","2","6","7","4","4","2","1") = "6"
    & skf21("2","2","6","7","4","4","3","1") = "6"
    & skf21("2","2","6","7","4","4","4","1") = "6"
    & skf21("2","2","6","7","4","4","5","1") = "6"
    & skf21("2","2","6","7","4","4","6","1") = "6"
    & skf21("2","2","6","7","4","4","7","1") = "6"
    & skf21("2","2","6","7","4","5","1","1") = "6"
    & skf21("2","2","6","7","4","5","2","1") = "6"
    & skf21("2","2","6","7","4","5","3","1") = "6"
    & skf21("2","2","6","7","4","5","4","1") = "6"
    & skf21("2","2","6","7","4","5","5","1") = "6"
    & skf21("2","2","6","7","4","5","6","1") = "6"
    & skf21("2","2","6","7","4","5","7","1") = "6"
    & skf21("2","2","6","7","4","6","1","1") = "6"
    & skf21("2","2","6","7","4","6","2","1") = "6"
    & skf21("2","2","6","7","4","6","3","1") = "6"
    & skf21("2","2","6","7","4","6","4","1") = "6"
    & skf21("2","2","6","7","4","6","5","1") = "6"
    & skf21("2","2","6","7","4","6","6","1") = "6"
    & skf21("2","2","6","7","4","6","7","1") = "6"
    & skf21("2","2","6","7","4","7","1","1") = "6"
    & skf21("2","2","6","7","4","7","2","1") = "6"
    & skf21("2","2","6","7","4","7","3","1") = "6"
    & skf21("2","2","6","7","4","7","4","1") = "6"
    & skf21("2","2","6","7","4","7","5","1") = "6"
    & skf21("2","2","6","7","4","7","6","1") = "6"
    & skf21("2","2","6","7","4","7","7","1") = "6"
    & skf21("2","2","6","7","5","1","1","1") = "6"
    & skf21("2","2","6","7","5","1","2","1") = "6"
    & skf21("2","2","6","7","5","1","3","1") = "6"
    & skf21("2","2","6","7","5","1","4","1") = "6"
    & skf21("2","2","6","7","5","1","5","1") = "6"
    & skf21("2","2","6","7","5","1","6","1") = "6"
    & skf21("2","2","6","7","5","1","7","1") = "6"
    & skf21("2","2","6","7","5","2","1","1") = "6"
    & skf21("2","2","6","7","5","2","2","1") = "6"
    & skf21("2","2","6","7","5","2","3","1") = "6"
    & skf21("2","2","6","7","5","2","4","1") = "6"
    & skf21("2","2","6","7","5","2","5","1") = "6"
    & skf21("2","2","6","7","5","2","6","1") = "6"
    & skf21("2","2","6","7","5","2","7","1") = "6"
    & skf21("2","2","6","7","5","3","1","1") = "6"
    & skf21("2","2","6","7","5","3","2","1") = "6"
    & skf21("2","2","6","7","5","3","3","1") = "6"
    & skf21("2","2","6","7","5","3","4","1") = "6"
    & skf21("2","2","6","7","5","3","5","1") = "6"
    & skf21("2","2","6","7","5","3","6","1") = "6"
    & skf21("2","2","6","7","5","3","7","1") = "6"
    & skf21("2","2","6","7","5","4","1","1") = "6"
    & skf21("2","2","6","7","5","4","2","1") = "6"
    & skf21("2","2","6","7","5","4","3","1") = "6"
    & skf21("2","2","6","7","5","4","4","1") = "6"
    & skf21("2","2","6","7","5","4","5","1") = "6"
    & skf21("2","2","6","7","5","4","6","1") = "6"
    & skf21("2","2","6","7","5","4","7","1") = "6"
    & skf21("2","2","6","7","5","5","1","1") = "6"
    & skf21("2","2","6","7","5","5","2","1") = "6"
    & skf21("2","2","6","7","5","5","3","1") = "6"
    & skf21("2","2","6","7","5","5","4","1") = "6"
    & skf21("2","2","6","7","5","5","5","1") = "6"
    & skf21("2","2","6","7","5","5","6","1") = "6"
    & skf21("2","2","6","7","5","5","7","1") = "6"
    & skf21("2","2","6","7","5","6","1","1") = "6"
    & skf21("2","2","6","7","5","6","2","1") = "6"
    & skf21("2","2","6","7","5","6","3","1") = "6"
    & skf21("2","2","6","7","5","6","4","1") = "6"
    & skf21("2","2","6","7","5","6","5","1") = "6"
    & skf21("2","2","6","7","5","6","6","1") = "6"
    & skf21("2","2","6","7","5","6","7","1") = "6"
    & skf21("2","2","6","7","5","7","1","1") = "6"
    & skf21("2","2","6","7","5","7","2","1") = "6"
    & skf21("2","2","6","7","5","7","3","1") = "6"
    & skf21("2","2","6","7","5","7","4","1") = "6"
    & skf21("2","2","6","7","5","7","5","1") = "6"
    & skf21("2","2","6","7","5","7","6","1") = "6"
    & skf21("2","2","6","7","5","7","7","1") = "6"
    & skf21("2","2","6","7","6","1","1","1") = "6"
    & skf21("2","2","6","7","6","1","2","1") = "6"
    & skf21("2","2","6","7","6","1","3","1") = "6"
    & skf21("2","2","6","7","6","1","4","1") = "6"
    & skf21("2","2","6","7","6","1","5","1") = "6"
    & skf21("2","2","6","7","6","1","6","1") = "6"
    & skf21("2","2","6","7","6","1","7","1") = "6"
    & skf21("2","2","6","7","6","2","1","1") = "6"
    & skf21("2","2","6","7","6","2","2","1") = "6"
    & skf21("2","2","6","7","6","2","3","1") = "6"
    & skf21("2","2","6","7","6","2","4","1") = "6"
    & skf21("2","2","6","7","6","2","5","1") = "6"
    & skf21("2","2","6","7","6","2","6","1") = "6"
    & skf21("2","2","6","7","6","2","7","1") = "6"
    & skf21("2","2","6","7","6","3","1","1") = "6"
    & skf21("2","2","6","7","6","3","2","1") = "6"
    & skf21("2","2","6","7","6","3","3","1") = "6"
    & skf21("2","2","6","7","6","3","4","1") = "6"
    & skf21("2","2","6","7","6","3","5","1") = "6"
    & skf21("2","2","6","7","6","3","6","1") = "6"
    & skf21("2","2","6","7","6","3","7","1") = "6"
    & skf21("2","2","6","7","6","4","1","1") = "6"
    & skf21("2","2","6","7","6","4","2","1") = "6"
    & skf21("2","2","6","7","6","4","3","1") = "6"
    & skf21("2","2","6","7","6","4","4","1") = "6"
    & skf21("2","2","6","7","6","4","5","1") = "6"
    & skf21("2","2","6","7","6","4","6","1") = "6"
    & skf21("2","2","6","7","6","4","7","1") = "6"
    & skf21("2","2","6","7","6","5","1","1") = "6"
    & skf21("2","2","6","7","6","5","2","1") = "6"
    & skf21("2","2","6","7","6","5","3","1") = "6"
    & skf21("2","2","6","7","6","5","4","1") = "6"
    & skf21("2","2","6","7","6","5","5","1") = "6"
    & skf21("2","2","6","7","6","5","6","1") = "6"
    & skf21("2","2","6","7","6","5","7","1") = "6"
    & skf21("2","2","6","7","6","6","1","1") = "6"
    & skf21("2","2","6","7","6","6","2","1") = "6"
    & skf21("2","2","6","7","6","6","3","1") = "6"
    & skf21("2","2","6","7","6","6","4","1") = "6"
    & skf21("2","2","6","7","6","6","5","1") = "6"
    & skf21("2","2","6","7","6","6","6","1") = "6"
    & skf21("2","2","6","7","6","6","7","1") = "6"
    & skf21("2","2","6","7","6","7","1","1") = "6"
    & skf21("2","2","6","7","6","7","2","1") = "6"
    & skf21("2","2","6","7","6","7","3","1") = "6"
    & skf21("2","2","6","7","6","7","4","1") = "6"
    & skf21("2","2","6","7","6","7","5","1") = "6"
    & skf21("2","2","6","7","6","7","6","1") = "6"
    & skf21("2","2","6","7","6","7","7","1") = "6"
    & skf21("2","2","6","7","7","1","1","1") = "6"
    & skf21("2","2","6","7","7","1","2","1") = "6"
    & skf21("2","2","6","7","7","1","3","1") = "6"
    & skf21("2","2","6","7","7","1","4","1") = "6"
    & skf21("2","2","6","7","7","1","5","1") = "6"
    & skf21("2","2","6","7","7","1","6","1") = "6"
    & skf21("2","2","6","7","7","1","7","1") = "6"
    & skf21("2","2","6","7","7","2","1","1") = "6"
    & skf21("2","2","6","7","7","2","2","1") = "6"
    & skf21("2","2","6","7","7","2","3","1") = "6"
    & skf21("2","2","6","7","7","2","4","1") = "6"
    & skf21("2","2","6","7","7","2","5","1") = "6"
    & skf21("2","2","6","7","7","2","6","1") = "6"
    & skf21("2","2","6","7","7","2","7","1") = "6"
    & skf21("2","2","6","7","7","3","1","1") = "6"
    & skf21("2","2","6","7","7","3","2","1") = "6"
    & skf21("2","2","6","7","7","3","3","1") = "6"
    & skf21("2","2","6","7","7","3","4","1") = "6"
    & skf21("2","2","6","7","7","3","5","1") = "6"
    & skf21("2","2","6","7","7","3","6","1") = "6"
    & skf21("2","2","6","7","7","3","7","1") = "6"
    & skf21("2","2","6","7","7","4","1","1") = "6"
    & skf21("2","2","6","7","7","4","2","1") = "6"
    & skf21("2","2","6","7","7","4","3","1") = "6"
    & skf21("2","2","6","7","7","4","4","1") = "6"
    & skf21("2","2","6","7","7","4","5","1") = "6"
    & skf21("2","2","6","7","7","4","6","1") = "6"
    & skf21("2","2","6","7","7","4","7","1") = "6"
    & skf21("2","2","6","7","7","5","1","1") = "6"
    & skf21("2","2","6","7","7","5","2","1") = "6"
    & skf21("2","2","6","7","7","5","3","1") = "6"
    & skf21("2","2","6","7","7","5","4","1") = "6"
    & skf21("2","2","6","7","7","5","5","1") = "6"
    & skf21("2","2","6","7","7","5","6","1") = "6"
    & skf21("2","2","6","7","7","5","7","1") = "6"
    & skf21("2","2","6","7","7","6","1","1") = "6"
    & skf21("2","2","6","7","7","6","2","1") = "6"
    & skf21("2","2","6","7","7","6","3","1") = "6"
    & skf21("2","2","6","7","7","6","4","1") = "6"
    & skf21("2","2","6","7","7","6","5","1") = "6"
    & skf21("2","2","6","7","7","6","6","1") = "6"
    & skf21("2","2","6","7","7","6","7","1") = "6"
    & skf21("2","2","6","7","7","7","1","1") = "6"
    & skf21("2","2","6","7","7","7","2","1") = "6"
    & skf21("2","2","6","7","7","7","3","1") = "6"
    & skf21("2","2","6","7","7","7","4","1") = "6"
    & skf21("2","2","6","7","7","7","5","1") = "6"
    & skf21("2","2","6","7","7","7","6","1") = "6"
    & skf21("2","2","6","7","7","7","7","1") = "6"
    & skf21("2","2","7","1","1","1","1","1") = "6"
    & skf21("2","2","7","1","1","1","2","1") = "6"
    & skf21("2","2","7","1","1","1","3","1") = "6"
    & skf21("2","2","7","1","1","1","4","1") = "6"
    & skf21("2","2","7","1","1","1","5","1") = "6"
    & skf21("2","2","7","1","1","1","6","1") = "6"
    & skf21("2","2","7","1","1","1","7","1") = "6"
    & skf21("2","2","7","1","1","2","1","1") = "6"
    & skf21("2","2","7","1","1","2","2","1") = "6"
    & skf21("2","2","7","1","1","2","3","1") = "6"
    & skf21("2","2","7","1","1","2","4","1") = "6"
    & skf21("2","2","7","1","1","2","5","1") = "6"
    & skf21("2","2","7","1","1","2","6","1") = "6"
    & skf21("2","2","7","1","1","2","7","1") = "6"
    & skf21("2","2","7","1","1","3","1","1") = "6"
    & skf21("2","2","7","1","1","3","2","1") = "6"
    & skf21("2","2","7","1","1","3","3","1") = "6"
    & skf21("2","2","7","1","1","3","4","1") = "6"
    & skf21("2","2","7","1","1","3","5","1") = "6"
    & skf21("2","2","7","1","1","3","6","1") = "6"
    & skf21("2","2","7","1","1","3","7","1") = "6"
    & skf21("2","2","7","1","1","4","1","1") = "6"
    & skf21("2","2","7","1","1","4","2","1") = "6"
    & skf21("2","2","7","1","1","4","3","1") = "6"
    & skf21("2","2","7","1","1","4","4","1") = "6"
    & skf21("2","2","7","1","1","4","5","1") = "6"
    & skf21("2","2","7","1","1","4","6","1") = "6"
    & skf21("2","2","7","1","1","4","7","1") = "6"
    & skf21("2","2","7","1","1","5","1","1") = "6"
    & skf21("2","2","7","1","1","5","2","1") = "6"
    & skf21("2","2","7","1","1","5","3","1") = "6"
    & skf21("2","2","7","1","1","5","4","1") = "6"
    & skf21("2","2","7","1","1","5","5","1") = "6"
    & skf21("2","2","7","1","1","5","6","1") = "6"
    & skf21("2","2","7","1","1","5","7","1") = "6"
    & skf21("2","2","7","1","1","6","1","1") = "6"
    & skf21("2","2","7","1","1","6","2","1") = "6"
    & skf21("2","2","7","1","1","6","3","1") = "6"
    & skf21("2","2","7","1","1","6","4","1") = "6"
    & skf21("2","2","7","1","1","6","5","1") = "6"
    & skf21("2","2","7","1","1","6","6","1") = "6"
    & skf21("2","2","7","1","1","6","7","1") = "6"
    & skf21("2","2","7","1","1","7","1","1") = "6"
    & skf21("2","2","7","1","1","7","2","1") = "6"
    & skf21("2","2","7","1","1","7","3","1") = "6"
    & skf21("2","2","7","1","1","7","4","1") = "6"
    & skf21("2","2","7","1","1","7","5","1") = "6"
    & skf21("2","2","7","1","1","7","6","1") = "6"
    & skf21("2","2","7","1","1","7","7","1") = "6"
    & skf21("2","2","7","1","2","1","1","1") = "6"
    & skf21("2","2","7","1","2","1","2","1") = "6"
    & skf21("2","2","7","1","2","1","3","1") = "6"
    & skf21("2","2","7","1","2","1","4","1") = "6"
    & skf21("2","2","7","1","2","1","5","1") = "6"
    & skf21("2","2","7","1","2","1","6","1") = "6"
    & skf21("2","2","7","1","2","1","7","1") = "6"
    & skf21("2","2","7","1","2","2","1","1") = "6"
    & skf21("2","2","7","1","2","2","2","1") = "6"
    & skf21("2","2","7","1","2","2","3","1") = "6"
    & skf21("2","2","7","1","2","2","4","1") = "6"
    & skf21("2","2","7","1","2","2","5","1") = "6"
    & skf21("2","2","7","1","2","2","6","1") = "6"
    & skf21("2","2","7","1","2","2","7","1") = "6"
    & skf21("2","2","7","1","2","3","1","1") = "6"
    & skf21("2","2","7","1","2","3","2","1") = "6"
    & skf21("2","2","7","1","2","3","3","1") = "6"
    & skf21("2","2","7","1","2","3","4","1") = "6"
    & skf21("2","2","7","1","2","3","5","1") = "6"
    & skf21("2","2","7","1","2","3","6","1") = "6"
    & skf21("2","2","7","1","2","3","7","1") = "6"
    & skf21("2","2","7","1","2","4","1","1") = "6"
    & skf21("2","2","7","1","2","4","2","1") = "6"
    & skf21("2","2","7","1","2","4","3","1") = "6"
    & skf21("2","2","7","1","2","4","4","1") = "6"
    & skf21("2","2","7","1","2","4","5","1") = "6"
    & skf21("2","2","7","1","2","4","6","1") = "6"
    & skf21("2","2","7","1","2","4","7","1") = "6"
    & skf21("2","2","7","1","2","5","1","1") = "6"
    & skf21("2","2","7","1","2","5","2","1") = "6"
    & skf21("2","2","7","1","2","5","3","1") = "6"
    & skf21("2","2","7","1","2","5","4","1") = "6"
    & skf21("2","2","7","1","2","5","5","1") = "6"
    & skf21("2","2","7","1","2","5","6","1") = "6"
    & skf21("2","2","7","1","2","5","7","1") = "6"
    & skf21("2","2","7","1","2","6","1","1") = "6"
    & skf21("2","2","7","1","2","6","2","1") = "6"
    & skf21("2","2","7","1","2","6","3","1") = "6"
    & skf21("2","2","7","1","2","6","4","1") = "6"
    & skf21("2","2","7","1","2","6","5","1") = "6"
    & skf21("2","2","7","1","2","6","6","1") = "6"
    & skf21("2","2","7","1","2","6","7","1") = "6"
    & skf21("2","2","7","1","2","7","1","1") = "6"
    & skf21("2","2","7","1","2","7","2","1") = "6"
    & skf21("2","2","7","1","2","7","3","1") = "6"
    & skf21("2","2","7","1","2","7","4","1") = "6"
    & skf21("2","2","7","1","2","7","5","1") = "6"
    & skf21("2","2","7","1","2","7","6","1") = "6"
    & skf21("2","2","7","1","2","7","7","1") = "6"
    & skf21("2","2","7","1","3","1","1","1") = "6"
    & skf21("2","2","7","1","3","1","2","1") = "6"
    & skf21("2","2","7","1","3","1","3","1") = "6"
    & skf21("2","2","7","1","3","1","4","1") = "6"
    & skf21("2","2","7","1","3","1","5","1") = "6"
    & skf21("2","2","7","1","3","1","6","1") = "6"
    & skf21("2","2","7","1","3","1","7","1") = "6"
    & skf21("2","2","7","1","3","2","1","1") = "6"
    & skf21("2","2","7","1","3","2","2","1") = "6"
    & skf21("2","2","7","1","3","2","3","1") = "6"
    & skf21("2","2","7","1","3","2","4","1") = "6"
    & skf21("2","2","7","1","3","2","5","1") = "6"
    & skf21("2","2","7","1","3","2","6","1") = "6"
    & skf21("2","2","7","1","3","2","7","1") = "6"
    & skf21("2","2","7","1","3","3","1","1") = "6"
    & skf21("2","2","7","1","3","3","2","1") = "6"
    & skf21("2","2","7","1","3","3","3","1") = "6"
    & skf21("2","2","7","1","3","3","4","1") = "6"
    & skf21("2","2","7","1","3","3","5","1") = "6"
    & skf21("2","2","7","1","3","3","6","1") = "6"
    & skf21("2","2","7","1","3","3","7","1") = "6"
    & skf21("2","2","7","1","3","4","1","1") = "6"
    & skf21("2","2","7","1","3","4","2","1") = "6"
    & skf21("2","2","7","1","3","4","3","1") = "6"
    & skf21("2","2","7","1","3","4","4","1") = "6"
    & skf21("2","2","7","1","3","4","5","1") = "6"
    & skf21("2","2","7","1","3","4","6","1") = "6"
    & skf21("2","2","7","1","3","4","7","1") = "6"
    & skf21("2","2","7","1","3","5","1","1") = "6"
    & skf21("2","2","7","1","3","5","2","1") = "6"
    & skf21("2","2","7","1","3","5","3","1") = "6"
    & skf21("2","2","7","1","3","5","4","1") = "6"
    & skf21("2","2","7","1","3","5","5","1") = "6"
    & skf21("2","2","7","1","3","5","6","1") = "6"
    & skf21("2","2","7","1","3","5","7","1") = "6"
    & skf21("2","2","7","1","3","6","1","1") = "6"
    & skf21("2","2","7","1","3","6","2","1") = "6"
    & skf21("2","2","7","1","3","6","3","1") = "6"
    & skf21("2","2","7","1","3","6","4","1") = "6"
    & skf21("2","2","7","1","3","6","5","1") = "6"
    & skf21("2","2","7","1","3","6","6","1") = "6"
    & skf21("2","2","7","1","3","6","7","1") = "6"
    & skf21("2","2","7","1","3","7","1","1") = "6"
    & skf21("2","2","7","1","3","7","2","1") = "6"
    & skf21("2","2","7","1","3","7","3","1") = "6"
    & skf21("2","2","7","1","3","7","4","1") = "6"
    & skf21("2","2","7","1","3","7","5","1") = "6"
    & skf21("2","2","7","1","3","7","6","1") = "6"
    & skf21("2","2","7","1","3","7","7","1") = "6"
    & skf21("2","2","7","1","4","1","1","1") = "6"
    & skf21("2","2","7","1","4","1","2","1") = "6"
    & skf21("2","2","7","1","4","1","3","1") = "6"
    & skf21("2","2","7","1","4","1","4","1") = "6"
    & skf21("2","2","7","1","4","1","5","1") = "6"
    & skf21("2","2","7","1","4","1","6","1") = "6"
    & skf21("2","2","7","1","4","1","7","1") = "6"
    & skf21("2","2","7","1","4","2","1","1") = "6"
    & skf21("2","2","7","1","4","2","2","1") = "6"
    & skf21("2","2","7","1","4","2","3","1") = "6"
    & skf21("2","2","7","1","4","2","4","1") = "6"
    & skf21("2","2","7","1","4","2","5","1") = "6"
    & skf21("2","2","7","1","4","2","6","1") = "6"
    & skf21("2","2","7","1","4","2","7","1") = "6"
    & skf21("2","2","7","1","4","3","1","1") = "6"
    & skf21("2","2","7","1","4","3","2","1") = "6"
    & skf21("2","2","7","1","4","3","3","1") = "6"
    & skf21("2","2","7","1","4","3","4","1") = "6"
    & skf21("2","2","7","1","4","3","5","1") = "6"
    & skf21("2","2","7","1","4","3","6","1") = "6"
    & skf21("2","2","7","1","4","3","7","1") = "6"
    & skf21("2","2","7","1","4","4","1","1") = "6"
    & skf21("2","2","7","1","4","4","2","1") = "6"
    & skf21("2","2","7","1","4","4","3","1") = "6"
    & skf21("2","2","7","1","4","4","4","1") = "6"
    & skf21("2","2","7","1","4","4","5","1") = "6"
    & skf21("2","2","7","1","4","4","6","1") = "6"
    & skf21("2","2","7","1","4","4","7","1") = "6"
    & skf21("2","2","7","1","4","5","1","1") = "6"
    & skf21("2","2","7","1","4","5","2","1") = "6"
    & skf21("2","2","7","1","4","5","3","1") = "6"
    & skf21("2","2","7","1","4","5","4","1") = "6"
    & skf21("2","2","7","1","4","5","5","1") = "6"
    & skf21("2","2","7","1","4","5","6","1") = "6"
    & skf21("2","2","7","1","4","5","7","1") = "6"
    & skf21("2","2","7","1","4","6","1","1") = "6"
    & skf21("2","2","7","1","4","6","2","1") = "6"
    & skf21("2","2","7","1","4","6","3","1") = "6"
    & skf21("2","2","7","1","4","6","4","1") = "6"
    & skf21("2","2","7","1","4","6","5","1") = "6"
    & skf21("2","2","7","1","4","6","6","1") = "6"
    & skf21("2","2","7","1","4","6","7","1") = "6"
    & skf21("2","2","7","1","4","7","1","1") = "6"
    & skf21("2","2","7","1","4","7","2","1") = "6"
    & skf21("2","2","7","1","4","7","3","1") = "6"
    & skf21("2","2","7","1","4","7","4","1") = "6"
    & skf21("2","2","7","1","4","7","5","1") = "6"
    & skf21("2","2","7","1","4","7","6","1") = "6"
    & skf21("2","2","7","1","4","7","7","1") = "6"
    & skf21("2","2","7","1","5","1","1","1") = "6"
    & skf21("2","2","7","1","5","1","2","1") = "6"
    & skf21("2","2","7","1","5","1","3","1") = "6"
    & skf21("2","2","7","1","5","1","4","1") = "6"
    & skf21("2","2","7","1","5","1","5","1") = "6"
    & skf21("2","2","7","1","5","1","6","1") = "6"
    & skf21("2","2","7","1","5","1","7","1") = "6"
    & skf21("2","2","7","1","5","2","1","1") = "6"
    & skf21("2","2","7","1","5","2","2","1") = "6"
    & skf21("2","2","7","1","5","2","3","1") = "6"
    & skf21("2","2","7","1","5","2","4","1") = "6"
    & skf21("2","2","7","1","5","2","5","1") = "6"
    & skf21("2","2","7","1","5","2","6","1") = "6"
    & skf21("2","2","7","1","5","2","7","1") = "6"
    & skf21("2","2","7","1","5","3","1","1") = "6"
    & skf21("2","2","7","1","5","3","2","1") = "6"
    & skf21("2","2","7","1","5","3","3","1") = "6"
    & skf21("2","2","7","1","5","3","4","1") = "6"
    & skf21("2","2","7","1","5","3","5","1") = "6"
    & skf21("2","2","7","1","5","3","6","1") = "6"
    & skf21("2","2","7","1","5","3","7","1") = "6"
    & skf21("2","2","7","1","5","4","1","1") = "6"
    & skf21("2","2","7","1","5","4","2","1") = "6"
    & skf21("2","2","7","1","5","4","3","1") = "6"
    & skf21("2","2","7","1","5","4","4","1") = "6"
    & skf21("2","2","7","1","5","4","5","1") = "6"
    & skf21("2","2","7","1","5","4","6","1") = "6"
    & skf21("2","2","7","1","5","4","7","1") = "6"
    & skf21("2","2","7","1","5","5","1","1") = "6"
    & skf21("2","2","7","1","5","5","2","1") = "6"
    & skf21("2","2","7","1","5","5","3","1") = "6"
    & skf21("2","2","7","1","5","5","4","1") = "6"
    & skf21("2","2","7","1","5","5","5","1") = "6"
    & skf21("2","2","7","1","5","5","6","1") = "6"
    & skf21("2","2","7","1","5","5","7","1") = "6"
    & skf21("2","2","7","1","5","6","1","1") = "6"
    & skf21("2","2","7","1","5","6","2","1") = "6"
    & skf21("2","2","7","1","5","6","3","1") = "6"
    & skf21("2","2","7","1","5","6","4","1") = "6"
    & skf21("2","2","7","1","5","6","5","1") = "6"
    & skf21("2","2","7","1","5","6","6","1") = "6"
    & skf21("2","2","7","1","5","6","7","1") = "6"
    & skf21("2","2","7","1","5","7","1","1") = "6"
    & skf21("2","2","7","1","5","7","2","1") = "6"
    & skf21("2","2","7","1","5","7","3","1") = "6"
    & skf21("2","2","7","1","5","7","4","1") = "6"
    & skf21("2","2","7","1","5","7","5","1") = "6"
    & skf21("2","2","7","1","5","7","6","1") = "6"
    & skf21("2","2","7","1","5","7","7","1") = "6"
    & skf21("2","2","7","1","6","1","1","1") = "6"
    & skf21("2","2","7","1","6","1","2","1") = "6"
    & skf21("2","2","7","1","6","1","3","1") = "6"
    & skf21("2","2","7","1","6","1","4","1") = "6"
    & skf21("2","2","7","1","6","1","5","1") = "6"
    & skf21("2","2","7","1","6","1","6","1") = "6"
    & skf21("2","2","7","1","6","1","7","1") = "6"
    & skf21("2","2","7","1","6","2","1","1") = "6"
    & skf21("2","2","7","1","6","2","2","1") = "6"
    & skf21("2","2","7","1","6","2","3","1") = "6"
    & skf21("2","2","7","1","6","2","4","1") = "6"
    & skf21("2","2","7","1","6","2","5","1") = "6"
    & skf21("2","2","7","1","6","2","6","1") = "6"
    & skf21("2","2","7","1","6","2","7","1") = "6"
    & skf21("2","2","7","1","6","3","1","1") = "6"
    & skf21("2","2","7","1","6","3","2","1") = "6"
    & skf21("2","2","7","1","6","3","3","1") = "6"
    & skf21("2","2","7","1","6","3","4","1") = "6"
    & skf21("2","2","7","1","6","3","5","1") = "6"
    & skf21("2","2","7","1","6","3","6","1") = "6"
    & skf21("2","2","7","1","6","3","7","1") = "6"
    & skf21("2","2","7","1","6","4","1","1") = "6"
    & skf21("2","2","7","1","6","4","2","1") = "6"
    & skf21("2","2","7","1","6","4","3","1") = "6"
    & skf21("2","2","7","1","6","4","4","1") = "6"
    & skf21("2","2","7","1","6","4","5","1") = "6"
    & skf21("2","2","7","1","6","4","6","1") = "6"
    & skf21("2","2","7","1","6","4","7","1") = "6"
    & skf21("2","2","7","1","6","5","1","1") = "6"
    & skf21("2","2","7","1","6","5","2","1") = "6"
    & skf21("2","2","7","1","6","5","3","1") = "6"
    & skf21("2","2","7","1","6","5","4","1") = "6"
    & skf21("2","2","7","1","6","5","5","1") = "6"
    & skf21("2","2","7","1","6","5","6","1") = "6"
    & skf21("2","2","7","1","6","5","7","1") = "6"
    & skf21("2","2","7","1","6","6","1","1") = "6"
    & skf21("2","2","7","1","6","6","2","1") = "6"
    & skf21("2","2","7","1","6","6","3","1") = "6"
    & skf21("2","2","7","1","6","6","4","1") = "6"
    & skf21("2","2","7","1","6","6","5","1") = "6"
    & skf21("2","2","7","1","6","6","6","1") = "6"
    & skf21("2","2","7","1","6","6","7","1") = "6"
    & skf21("2","2","7","1","6","7","1","1") = "6"
    & skf21("2","2","7","1","6","7","2","1") = "6"
    & skf21("2","2","7","1","6","7","3","1") = "6"
    & skf21("2","2","7","1","6","7","4","1") = "6"
    & skf21("2","2","7","1","6","7","5","1") = "6"
    & skf21("2","2","7","1","6","7","6","1") = "6"
    & skf21("2","2","7","1","6","7","7","1") = "6"
    & skf21("2","2","7","1","7","1","1","1") = "6"
    & skf21("2","2","7","1","7","1","2","1") = "6"
    & skf21("2","2","7","1","7","1","3","1") = "6"
    & skf21("2","2","7","1","7","1","4","1") = "6"
    & skf21("2","2","7","1","7","1","5","1") = "6"
    & skf21("2","2","7","1","7","1","6","1") = "6"
    & skf21("2","2","7","1","7","1","7","1") = "6"
    & skf21("2","2","7","1","7","2","1","1") = "6"
    & skf21("2","2","7","1","7","2","2","1") = "6"
    & skf21("2","2","7","1","7","2","3","1") = "6"
    & skf21("2","2","7","1","7","2","4","1") = "6"
    & skf21("2","2","7","1","7","2","5","1") = "6"
    & skf21("2","2","7","1","7","2","6","1") = "6"
    & skf21("2","2","7","1","7","2","7","1") = "6"
    & skf21("2","2","7","1","7","3","1","1") = "6"
    & skf21("2","2","7","1","7","3","2","1") = "6"
    & skf21("2","2","7","1","7","3","3","1") = "6"
    & skf21("2","2","7","1","7","3","4","1") = "6"
    & skf21("2","2","7","1","7","3","5","1") = "6"
    & skf21("2","2","7","1","7","3","6","1") = "6"
    & skf21("2","2","7","1","7","3","7","1") = "6"
    & skf21("2","2","7","1","7","4","1","1") = "6"
    & skf21("2","2","7","1","7","4","2","1") = "6"
    & skf21("2","2","7","1","7","4","3","1") = "6"
    & skf21("2","2","7","1","7","4","4","1") = "6"
    & skf21("2","2","7","1","7","4","5","1") = "6"
    & skf21("2","2","7","1","7","4","6","1") = "6"
    & skf21("2","2","7","1","7","4","7","1") = "6"
    & skf21("2","2","7","1","7","5","1","1") = "6"
    & skf21("2","2","7","1","7","5","2","1") = "6"
    & skf21("2","2","7","1","7","5","3","1") = "6"
    & skf21("2","2","7","1","7","5","4","1") = "6"
    & skf21("2","2","7","1","7","5","5","1") = "6"
    & skf21("2","2","7","1","7","5","6","1") = "6"
    & skf21("2","2","7","1","7","5","7","1") = "6"
    & skf21("2","2","7","1","7","6","1","1") = "6"
    & skf21("2","2","7","1","7","6","2","1") = "6"
    & skf21("2","2","7","1","7","6","3","1") = "6"
    & skf21("2","2","7","1","7","6","4","1") = "6"
    & skf21("2","2","7","1","7","6","5","1") = "6"
    & skf21("2","2","7","1","7","6","6","1") = "6"
    & skf21("2","2","7","1","7","6","7","1") = "6"
    & skf21("2","2","7","1","7","7","1","1") = "6"
    & skf21("2","2","7","1","7","7","2","1") = "6"
    & skf21("2","2","7","1","7","7","3","1") = "6"
    & skf21("2","2","7","1","7","7","4","1") = "6"
    & skf21("2","2","7","1","7","7","5","1") = "6"
    & skf21("2","2","7","1","7","7","6","1") = "6"
    & skf21("2","2","7","1","7","7","7","1") = "6"
    & skf21("2","2","7","2","1","1","1","1") = "6"
    & skf21("2","2","7","2","1","1","2","1") = "6"
    & skf21("2","2","7","2","1","1","3","1") = "6"
    & skf21("2","2","7","2","1","1","4","1") = "6"
    & skf21("2","2","7","2","1","1","5","1") = "6"
    & skf21("2","2","7","2","1","1","6","1") = "6"
    & skf21("2","2","7","2","1","1","7","1") = "6"
    & skf21("2","2","7","2","1","2","1","1") = "6"
    & skf21("2","2","7","2","1","2","2","1") = "6"
    & skf21("2","2","7","2","1","2","3","1") = "6"
    & skf21("2","2","7","2","1","2","4","1") = "6"
    & skf21("2","2","7","2","1","2","5","1") = "6"
    & skf21("2","2","7","2","1","2","6","1") = "6"
    & skf21("2","2","7","2","1","2","7","1") = "6"
    & skf21("2","2","7","2","1","3","1","1") = "6"
    & skf21("2","2","7","2","1","3","2","1") = "6"
    & skf21("2","2","7","2","1","3","3","1") = "6"
    & skf21("2","2","7","2","1","3","4","1") = "6"
    & skf21("2","2","7","2","1","3","5","1") = "6"
    & skf21("2","2","7","2","1","3","6","1") = "6"
    & skf21("2","2","7","2","1","3","7","1") = "6"
    & skf21("2","2","7","2","1","4","1","1") = "6"
    & skf21("2","2","7","2","1","4","2","1") = "6"
    & skf21("2","2","7","2","1","4","3","1") = "6"
    & skf21("2","2","7","2","1","4","4","1") = "6"
    & skf21("2","2","7","2","1","4","5","1") = "6"
    & skf21("2","2","7","2","1","4","6","1") = "6"
    & skf21("2","2","7","2","1","4","7","1") = "6"
    & skf21("2","2","7","2","1","5","1","1") = "6"
    & skf21("2","2","7","2","1","5","2","1") = "6"
    & skf21("2","2","7","2","1","5","3","1") = "6"
    & skf21("2","2","7","2","1","5","4","1") = "6"
    & skf21("2","2","7","2","1","5","5","1") = "6"
    & skf21("2","2","7","2","1","5","6","1") = "6"
    & skf21("2","2","7","2","1","5","7","1") = "6"
    & skf21("2","2","7","2","1","6","1","1") = "6"
    & skf21("2","2","7","2","1","6","2","1") = "6"
    & skf21("2","2","7","2","1","6","3","1") = "6"
    & skf21("2","2","7","2","1","6","4","1") = "6"
    & skf21("2","2","7","2","1","6","5","1") = "6"
    & skf21("2","2","7","2","1","6","6","1") = "6"
    & skf21("2","2","7","2","1","6","7","1") = "6"
    & skf21("2","2","7","2","1","7","1","1") = "6"
    & skf21("2","2","7","2","1","7","2","1") = "6"
    & skf21("2","2","7","2","1","7","3","1") = "6"
    & skf21("2","2","7","2","1","7","4","1") = "6"
    & skf21("2","2","7","2","1","7","5","1") = "6"
    & skf21("2","2","7","2","1","7","6","1") = "6"
    & skf21("2","2","7","2","1","7","7","1") = "6"
    & skf21("2","2","7","2","2","1","1","1") = "6"
    & skf21("2","2","7","2","2","1","2","1") = "6"
    & skf21("2","2","7","2","2","1","3","1") = "6"
    & skf21("2","2","7","2","2","1","4","1") = "6"
    & skf21("2","2","7","2","2","1","5","1") = "6"
    & skf21("2","2","7","2","2","1","6","1") = "6"
    & skf21("2","2","7","2","2","1","7","1") = "6"
    & skf21("2","2","7","2","2","2","1","1") = "6"
    & skf21("2","2","7","2","2","2","2","1") = "6"
    & skf21("2","2","7","2","2","2","3","1") = "6"
    & skf21("2","2","7","2","2","2","4","1") = "6"
    & skf21("2","2","7","2","2","2","5","1") = "6"
    & skf21("2","2","7","2","2","2","6","1") = "6"
    & skf21("2","2","7","2","2","2","7","1") = "6"
    & skf21("2","2","7","2","2","3","1","1") = "6"
    & skf21("2","2","7","2","2","3","2","1") = "6"
    & skf21("2","2","7","2","2","3","3","1") = "6"
    & skf21("2","2","7","2","2","3","4","1") = "6"
    & skf21("2","2","7","2","2","3","5","1") = "6"
    & skf21("2","2","7","2","2","3","6","1") = "6"
    & skf21("2","2","7","2","2","3","7","1") = "6"
    & skf21("2","2","7","2","2","4","1","1") = "6"
    & skf21("2","2","7","2","2","4","2","1") = "6"
    & skf21("2","2","7","2","2","4","3","1") = "6"
    & skf21("2","2","7","2","2","4","4","1") = "6"
    & skf21("2","2","7","2","2","4","5","1") = "6"
    & skf21("2","2","7","2","2","4","6","1") = "6"
    & skf21("2","2","7","2","2","4","7","1") = "6"
    & skf21("2","2","7","2","2","5","1","1") = "6"
    & skf21("2","2","7","2","2","5","2","1") = "6"
    & skf21("2","2","7","2","2","5","3","1") = "6"
    & skf21("2","2","7","2","2","5","4","1") = "6"
    & skf21("2","2","7","2","2","5","5","1") = "6"
    & skf21("2","2","7","2","2","5","6","1") = "6"
    & skf21("2","2","7","2","2","5","7","1") = "6"
    & skf21("2","2","7","2","2","6","1","1") = "6"
    & skf21("2","2","7","2","2","6","2","1") = "6"
    & skf21("2","2","7","2","2","6","3","1") = "6"
    & skf21("2","2","7","2","2","6","4","1") = "6"
    & skf21("2","2","7","2","2","6","5","1") = "6"
    & skf21("2","2","7","2","2","6","6","1") = "6"
    & skf21("2","2","7","2","2","6","7","1") = "6"
    & skf21("2","2","7","2","2","7","1","1") = "6"
    & skf21("2","2","7","2","2","7","2","1") = "6"
    & skf21("2","2","7","2","2","7","3","1") = "6"
    & skf21("2","2","7","2","2","7","4","1") = "6"
    & skf21("2","2","7","2","2","7","5","1") = "6"
    & skf21("2","2","7","2","2","7","6","1") = "6"
    & skf21("2","2","7","2","2","7","7","1") = "6"
    & skf21("2","2","7","2","3","1","1","1") = "6"
    & skf21("2","2","7","2","3","1","2","1") = "6"
    & skf21("2","2","7","2","3","1","3","1") = "6"
    & skf21("2","2","7","2","3","1","4","1") = "6"
    & skf21("2","2","7","2","3","1","5","1") = "6"
    & skf21("2","2","7","2","3","1","6","1") = "6"
    & skf21("2","2","7","2","3","1","7","1") = "6"
    & skf21("2","2","7","2","3","2","1","1") = "6"
    & skf21("2","2","7","2","3","2","2","1") = "6"
    & skf21("2","2","7","2","3","2","3","1") = "6"
    & skf21("2","2","7","2","3","2","4","1") = "6"
    & skf21("2","2","7","2","3","2","5","1") = "6"
    & skf21("2","2","7","2","3","2","6","1") = "6"
    & skf21("2","2","7","2","3","2","7","1") = "6"
    & skf21("2","2","7","2","3","3","1","1") = "6"
    & skf21("2","2","7","2","3","3","2","1") = "6"
    & skf21("2","2","7","2","3","3","3","1") = "6"
    & skf21("2","2","7","2","3","3","4","1") = "6"
    & skf21("2","2","7","2","3","3","5","1") = "6"
    & skf21("2","2","7","2","3","3","6","1") = "6"
    & skf21("2","2","7","2","3","3","7","1") = "6"
    & skf21("2","2","7","2","3","4","1","1") = "6"
    & skf21("2","2","7","2","3","4","2","1") = "6"
    & skf21("2","2","7","2","3","4","3","1") = "6"
    & skf21("2","2","7","2","3","4","4","1") = "6"
    & skf21("2","2","7","2","3","4","5","1") = "6"
    & skf21("2","2","7","2","3","4","6","1") = "6"
    & skf21("2","2","7","2","3","4","7","1") = "6"
    & skf21("2","2","7","2","3","5","1","1") = "6"
    & skf21("2","2","7","2","3","5","2","1") = "6"
    & skf21("2","2","7","2","3","5","3","1") = "6"
    & skf21("2","2","7","2","3","5","4","1") = "6"
    & skf21("2","2","7","2","3","5","5","1") = "6"
    & skf21("2","2","7","2","3","5","6","1") = "6"
    & skf21("2","2","7","2","3","5","7","1") = "6"
    & skf21("2","2","7","2","3","6","1","1") = "6"
    & skf21("2","2","7","2","3","6","2","1") = "6"
    & skf21("2","2","7","2","3","6","3","1") = "6"
    & skf21("2","2","7","2","3","6","4","1") = "6"
    & skf21("2","2","7","2","3","6","5","1") = "6"
    & skf21("2","2","7","2","3","6","6","1") = "6"
    & skf21("2","2","7","2","3","6","7","1") = "6"
    & skf21("2","2","7","2","3","7","1","1") = "6"
    & skf21("2","2","7","2","3","7","2","1") = "6"
    & skf21("2","2","7","2","3","7","3","1") = "6"
    & skf21("2","2","7","2","3","7","4","1") = "6"
    & skf21("2","2","7","2","3","7","5","1") = "6"
    & skf21("2","2","7","2","3","7","6","1") = "6"
    & skf21("2","2","7","2","3","7","7","1") = "6"
    & skf21("2","2","7","2","4","1","1","1") = "6"
    & skf21("2","2","7","2","4","1","2","1") = "6"
    & skf21("2","2","7","2","4","1","3","1") = "6"
    & skf21("2","2","7","2","4","1","4","1") = "6"
    & skf21("2","2","7","2","4","1","5","1") = "6"
    & skf21("2","2","7","2","4","1","6","1") = "6"
    & skf21("2","2","7","2","4","1","7","1") = "6"
    & skf21("2","2","7","2","4","2","1","1") = "6"
    & skf21("2","2","7","2","4","2","2","1") = "6"
    & skf21("2","2","7","2","4","2","3","1") = "6"
    & skf21("2","2","7","2","4","2","4","1") = "6"
    & skf21("2","2","7","2","4","2","5","1") = "6"
    & skf21("2","2","7","2","4","2","6","1") = "6"
    & skf21("2","2","7","2","4","2","7","1") = "6"
    & skf21("2","2","7","2","4","3","1","1") = "6"
    & skf21("2","2","7","2","4","3","2","1") = "6"
    & skf21("2","2","7","2","4","3","3","1") = "6"
    & skf21("2","2","7","2","4","3","4","1") = "6"
    & skf21("2","2","7","2","4","3","5","1") = "6"
    & skf21("2","2","7","2","4","3","6","1") = "6"
    & skf21("2","2","7","2","4","3","7","1") = "6"
    & skf21("2","2","7","2","4","4","1","1") = "6"
    & skf21("2","2","7","2","4","4","2","1") = "6"
    & skf21("2","2","7","2","4","4","3","1") = "6"
    & skf21("2","2","7","2","4","4","4","1") = "6"
    & skf21("2","2","7","2","4","4","5","1") = "6"
    & skf21("2","2","7","2","4","4","6","1") = "6"
    & skf21("2","2","7","2","4","4","7","1") = "6"
    & skf21("2","2","7","2","4","5","1","1") = "6"
    & skf21("2","2","7","2","4","5","2","1") = "6"
    & skf21("2","2","7","2","4","5","3","1") = "6"
    & skf21("2","2","7","2","4","5","4","1") = "6"
    & skf21("2","2","7","2","4","5","5","1") = "6"
    & skf21("2","2","7","2","4","5","6","1") = "6"
    & skf21("2","2","7","2","4","5","7","1") = "6"
    & skf21("2","2","7","2","4","6","1","1") = "6"
    & skf21("2","2","7","2","4","6","2","1") = "6"
    & skf21("2","2","7","2","4","6","3","1") = "6"
    & skf21("2","2","7","2","4","6","4","1") = "6"
    & skf21("2","2","7","2","4","6","5","1") = "6"
    & skf21("2","2","7","2","4","6","6","1") = "6"
    & skf21("2","2","7","2","4","6","7","1") = "6"
    & skf21("2","2","7","2","4","7","1","1") = "6"
    & skf21("2","2","7","2","4","7","2","1") = "6"
    & skf21("2","2","7","2","4","7","3","1") = "6"
    & skf21("2","2","7","2","4","7","4","1") = "6"
    & skf21("2","2","7","2","4","7","5","1") = "6"
    & skf21("2","2","7","2","4","7","6","1") = "6"
    & skf21("2","2","7","2","4","7","7","1") = "6"
    & skf21("2","2","7","2","5","1","1","1") = "6"
    & skf21("2","2","7","2","5","1","2","1") = "6"
    & skf21("2","2","7","2","5","1","3","1") = "6"
    & skf21("2","2","7","2","5","1","4","1") = "6"
    & skf21("2","2","7","2","5","1","5","1") = "6"
    & skf21("2","2","7","2","5","1","6","1") = "6"
    & skf21("2","2","7","2","5","1","7","1") = "6"
    & skf21("2","2","7","2","5","2","1","1") = "6"
    & skf21("2","2","7","2","5","2","2","1") = "6"
    & skf21("2","2","7","2","5","2","3","1") = "6"
    & skf21("2","2","7","2","5","2","4","1") = "6"
    & skf21("2","2","7","2","5","2","5","1") = "6"
    & skf21("2","2","7","2","5","2","6","1") = "6"
    & skf21("2","2","7","2","5","2","7","1") = "6"
    & skf21("2","2","7","2","5","3","1","1") = "6"
    & skf21("2","2","7","2","5","3","2","1") = "6"
    & skf21("2","2","7","2","5","3","3","1") = "6"
    & skf21("2","2","7","2","5","3","4","1") = "6"
    & skf21("2","2","7","2","5","3","5","1") = "6"
    & skf21("2","2","7","2","5","3","6","1") = "6"
    & skf21("2","2","7","2","5","3","7","1") = "6"
    & skf21("2","2","7","2","5","4","1","1") = "6"
    & skf21("2","2","7","2","5","4","2","1") = "6"
    & skf21("2","2","7","2","5","4","3","1") = "6"
    & skf21("2","2","7","2","5","4","4","1") = "6"
    & skf21("2","2","7","2","5","4","5","1") = "6"
    & skf21("2","2","7","2","5","4","6","1") = "6"
    & skf21("2","2","7","2","5","4","7","1") = "6"
    & skf21("2","2","7","2","5","5","1","1") = "6"
    & skf21("2","2","7","2","5","5","2","1") = "6"
    & skf21("2","2","7","2","5","5","3","1") = "6"
    & skf21("2","2","7","2","5","5","4","1") = "6"
    & skf21("2","2","7","2","5","5","5","1") = "6"
    & skf21("2","2","7","2","5","5","6","1") = "6"
    & skf21("2","2","7","2","5","5","7","1") = "6"
    & skf21("2","2","7","2","5","6","1","1") = "6"
    & skf21("2","2","7","2","5","6","2","1") = "6"
    & skf21("2","2","7","2","5","6","3","1") = "6"
    & skf21("2","2","7","2","5","6","4","1") = "6"
    & skf21("2","2","7","2","5","6","5","1") = "6"
    & skf21("2","2","7","2","5","6","6","1") = "6"
    & skf21("2","2","7","2","5","6","7","1") = "6"
    & skf21("2","2","7","2","5","7","1","1") = "6"
    & skf21("2","2","7","2","5","7","2","1") = "6"
    & skf21("2","2","7","2","5","7","3","1") = "6"
    & skf21("2","2","7","2","5","7","4","1") = "6"
    & skf21("2","2","7","2","5","7","5","1") = "6"
    & skf21("2","2","7","2","5","7","6","1") = "6"
    & skf21("2","2","7","2","5","7","7","1") = "6"
    & skf21("2","2","7","2","6","1","1","1") = "6"
    & skf21("2","2","7","2","6","1","2","1") = "6"
    & skf21("2","2","7","2","6","1","3","1") = "6"
    & skf21("2","2","7","2","6","1","4","1") = "6"
    & skf21("2","2","7","2","6","1","5","1") = "6"
    & skf21("2","2","7","2","6","1","6","1") = "6"
    & skf21("2","2","7","2","6","1","7","1") = "6"
    & skf21("2","2","7","2","6","2","1","1") = "6"
    & skf21("2","2","7","2","6","2","2","1") = "6"
    & skf21("2","2","7","2","6","2","3","1") = "6"
    & skf21("2","2","7","2","6","2","4","1") = "6"
    & skf21("2","2","7","2","6","2","5","1") = "6"
    & skf21("2","2","7","2","6","2","6","1") = "6"
    & skf21("2","2","7","2","6","2","7","1") = "6"
    & skf21("2","2","7","2","6","3","1","1") = "6"
    & skf21("2","2","7","2","6","3","2","1") = "6"
    & skf21("2","2","7","2","6","3","3","1") = "6"
    & skf21("2","2","7","2","6","3","4","1") = "6"
    & skf21("2","2","7","2","6","3","5","1") = "6"
    & skf21("2","2","7","2","6","3","6","1") = "6"
    & skf21("2","2","7","2","6","3","7","1") = "6"
    & skf21("2","2","7","2","6","4","1","1") = "6"
    & skf21("2","2","7","2","6","4","2","1") = "6"
    & skf21("2","2","7","2","6","4","3","1") = "6"
    & skf21("2","2","7","2","6","4","4","1") = "6"
    & skf21("2","2","7","2","6","4","5","1") = "6"
    & skf21("2","2","7","2","6","4","6","1") = "6"
    & skf21("2","2","7","2","6","4","7","1") = "6"
    & skf21("2","2","7","2","6","5","1","1") = "6"
    & skf21("2","2","7","2","6","5","2","1") = "6"
    & skf21("2","2","7","2","6","5","3","1") = "6"
    & skf21("2","2","7","2","6","5","4","1") = "6"
    & skf21("2","2","7","2","6","5","5","1") = "6"
    & skf21("2","2","7","2","6","5","6","1") = "6"
    & skf21("2","2","7","2","6","5","7","1") = "6"
    & skf21("2","2","7","2","6","6","1","1") = "6"
    & skf21("2","2","7","2","6","6","2","1") = "6"
    & skf21("2","2","7","2","6","6","3","1") = "6"
    & skf21("2","2","7","2","6","6","4","1") = "6"
    & skf21("2","2","7","2","6","6","5","1") = "6"
    & skf21("2","2","7","2","6","6","6","1") = "6"
    & skf21("2","2","7","2","6","6","7","1") = "6"
    & skf21("2","2","7","2","6","7","1","1") = "6"
    & skf21("2","2","7","2","6","7","2","1") = "6"
    & skf21("2","2","7","2","6","7","3","1") = "6"
    & skf21("2","2","7","2","6","7","4","1") = "6"
    & skf21("2","2","7","2","6","7","5","1") = "6"
    & skf21("2","2","7","2","6","7","6","1") = "6"
    & skf21("2","2","7","2","6","7","7","1") = "6"
    & skf21("2","2","7","2","7","1","1","1") = "6"
    & skf21("2","2","7","2","7","1","2","1") = "6"
    & skf21("2","2","7","2","7","1","3","1") = "6"
    & skf21("2","2","7","2","7","1","4","1") = "6"
    & skf21("2","2","7","2","7","1","5","1") = "6"
    & skf21("2","2","7","2","7","1","6","1") = "6"
    & skf21("2","2","7","2","7","1","7","1") = "6"
    & skf21("2","2","7","2","7","2","1","1") = "6"
    & skf21("2","2","7","2","7","2","2","1") = "6"
    & skf21("2","2","7","2","7","2","3","1") = "6"
    & skf21("2","2","7","2","7","2","4","1") = "6"
    & skf21("2","2","7","2","7","2","5","1") = "6"
    & skf21("2","2","7","2","7","2","6","1") = "6"
    & skf21("2","2","7","2","7","2","7","1") = "6"
    & skf21("2","2","7","2","7","3","1","1") = "6"
    & skf21("2","2","7","2","7","3","2","1") = "6"
    & skf21("2","2","7","2","7","3","3","1") = "6"
    & skf21("2","2","7","2","7","3","4","1") = "6"
    & skf21("2","2","7","2","7","3","5","1") = "6"
    & skf21("2","2","7","2","7","3","6","1") = "6"
    & skf21("2","2","7","2","7","3","7","1") = "6"
    & skf21("2","2","7","2","7","4","1","1") = "6"
    & skf21("2","2","7","2","7","4","2","1") = "6"
    & skf21("2","2","7","2","7","4","3","1") = "6"
    & skf21("2","2","7","2","7","4","4","1") = "6"
    & skf21("2","2","7","2","7","4","5","1") = "6"
    & skf21("2","2","7","2","7","4","6","1") = "6"
    & skf21("2","2","7","2","7","4","7","1") = "6"
    & skf21("2","2","7","2","7","5","1","1") = "6"
    & skf21("2","2","7","2","7","5","2","1") = "6"
    & skf21("2","2","7","2","7","5","3","1") = "6"
    & skf21("2","2","7","2","7","5","4","1") = "6"
    & skf21("2","2","7","2","7","5","5","1") = "6"
    & skf21("2","2","7","2","7","5","6","1") = "6"
    & skf21("2","2","7","2","7","5","7","1") = "6"
    & skf21("2","2","7","2","7","6","1","1") = "6"
    & skf21("2","2","7","2","7","6","2","1") = "6"
    & skf21("2","2","7","2","7","6","3","1") = "6"
    & skf21("2","2","7","2","7","6","4","1") = "6"
    & skf21("2","2","7","2","7","6","5","1") = "6"
    & skf21("2","2","7","2","7","6","6","1") = "6"
    & skf21("2","2","7","2","7","6","7","1") = "6"
    & skf21("2","2","7","2","7","7","1","1") = "6"
    & skf21("2","2","7","2","7","7","2","1") = "6"
    & skf21("2","2","7","2","7","7","3","1") = "6"
    & skf21("2","2","7","2","7","7","4","1") = "6"
    & skf21("2","2","7","2","7","7","5","1") = "6"
    & skf21("2","2","7","2","7","7","6","1") = "6"
    & skf21("2","2","7","2","7","7","7","1") = "6"
    & skf21("2","2","7","3","1","1","1","1") = "6"
    & skf21("2","2","7","3","1","1","2","1") = "6"
    & skf21("2","2","7","3","1","1","3","1") = "6"
    & skf21("2","2","7","3","1","1","4","1") = "6"
    & skf21("2","2","7","3","1","1","5","1") = "6"
    & skf21("2","2","7","3","1","1","6","1") = "6"
    & skf21("2","2","7","3","1","1","7","1") = "6"
    & skf21("2","2","7","3","1","2","1","1") = "6"
    & skf21("2","2","7","3","1","2","2","1") = "6"
    & skf21("2","2","7","3","1","2","3","1") = "6"
    & skf21("2","2","7","3","1","2","4","1") = "6"
    & skf21("2","2","7","3","1","2","5","1") = "6"
    & skf21("2","2","7","3","1","2","6","1") = "6"
    & skf21("2","2","7","3","1","2","7","1") = "6"
    & skf21("2","2","7","3","1","3","1","1") = "6"
    & skf21("2","2","7","3","1","3","2","1") = "6"
    & skf21("2","2","7","3","1","3","3","1") = "6"
    & skf21("2","2","7","3","1","3","4","1") = "6"
    & skf21("2","2","7","3","1","3","5","1") = "6"
    & skf21("2","2","7","3","1","3","6","1") = "6"
    & skf21("2","2","7","3","1","3","7","1") = "6"
    & skf21("2","2","7","3","1","4","1","1") = "6"
    & skf21("2","2","7","3","1","4","2","1") = "6"
    & skf21("2","2","7","3","1","4","3","1") = "6"
    & skf21("2","2","7","3","1","4","4","1") = "6"
    & skf21("2","2","7","3","1","4","5","1") = "6"
    & skf21("2","2","7","3","1","4","6","1") = "6"
    & skf21("2","2","7","3","1","4","7","1") = "6"
    & skf21("2","2","7","3","1","5","1","1") = "6"
    & skf21("2","2","7","3","1","5","2","1") = "6"
    & skf21("2","2","7","3","1","5","3","1") = "6"
    & skf21("2","2","7","3","1","5","4","1") = "6"
    & skf21("2","2","7","3","1","5","5","1") = "6"
    & skf21("2","2","7","3","1","5","6","1") = "6"
    & skf21("2","2","7","3","1","5","7","1") = "6"
    & skf21("2","2","7","3","1","6","1","1") = "6"
    & skf21("2","2","7","3","1","6","2","1") = "6"
    & skf21("2","2","7","3","1","6","3","1") = "6"
    & skf21("2","2","7","3","1","6","4","1") = "6"
    & skf21("2","2","7","3","1","6","5","1") = "6"
    & skf21("2","2","7","3","1","6","6","1") = "6"
    & skf21("2","2","7","3","1","6","7","1") = "6"
    & skf21("2","2","7","3","1","7","1","1") = "6"
    & skf21("2","2","7","3","1","7","2","1") = "6"
    & skf21("2","2","7","3","1","7","3","1") = "6"
    & skf21("2","2","7","3","1","7","4","1") = "6"
    & skf21("2","2","7","3","1","7","5","1") = "6"
    & skf21("2","2","7","3","1","7","6","1") = "6"
    & skf21("2","2","7","3","1","7","7","1") = "6"
    & skf21("2","2","7","3","2","1","1","1") = "6"
    & skf21("2","2","7","3","2","1","2","1") = "6"
    & skf21("2","2","7","3","2","1","3","1") = "6"
    & skf21("2","2","7","3","2","1","4","1") = "6"
    & skf21("2","2","7","3","2","1","5","1") = "6"
    & skf21("2","2","7","3","2","1","6","1") = "6"
    & skf21("2","2","7","3","2","1","7","1") = "6"
    & skf21("2","2","7","3","2","2","1","1") = "6"
    & skf21("2","2","7","3","2","2","2","1") = "6"
    & skf21("2","2","7","3","2","2","3","1") = "6"
    & skf21("2","2","7","3","2","2","4","1") = "6"
    & skf21("2","2","7","3","2","2","5","1") = "6"
    & skf21("2","2","7","3","2","2","6","1") = "6"
    & skf21("2","2","7","3","2","2","7","1") = "6"
    & skf21("2","2","7","3","2","3","1","1") = "6"
    & skf21("2","2","7","3","2","3","2","1") = "6"
    & skf21("2","2","7","3","2","3","3","1") = "6"
    & skf21("2","2","7","3","2","3","4","1") = "6"
    & skf21("2","2","7","3","2","3","5","1") = "6"
    & skf21("2","2","7","3","2","3","6","1") = "6"
    & skf21("2","2","7","3","2","3","7","1") = "6"
    & skf21("2","2","7","3","2","4","1","1") = "6"
    & skf21("2","2","7","3","2","4","2","1") = "6"
    & skf21("2","2","7","3","2","4","3","1") = "6"
    & skf21("2","2","7","3","2","4","4","1") = "6"
    & skf21("2","2","7","3","2","4","5","1") = "6"
    & skf21("2","2","7","3","2","4","6","1") = "6"
    & skf21("2","2","7","3","2","4","7","1") = "6"
    & skf21("2","2","7","3","2","5","1","1") = "6"
    & skf21("2","2","7","3","2","5","2","1") = "6"
    & skf21("2","2","7","3","2","5","3","1") = "6"
    & skf21("2","2","7","3","2","5","4","1") = "6"
    & skf21("2","2","7","3","2","5","5","1") = "6"
    & skf21("2","2","7","3","2","5","6","1") = "6"
    & skf21("2","2","7","3","2","5","7","1") = "6"
    & skf21("2","2","7","3","2","6","1","1") = "6"
    & skf21("2","2","7","3","2","6","2","1") = "6"
    & skf21("2","2","7","3","2","6","3","1") = "6"
    & skf21("2","2","7","3","2","6","4","1") = "6"
    & skf21("2","2","7","3","2","6","5","1") = "6"
    & skf21("2","2","7","3","2","6","6","1") = "6"
    & skf21("2","2","7","3","2","6","7","1") = "6"
    & skf21("2","2","7","3","2","7","1","1") = "6"
    & skf21("2","2","7","3","2","7","2","1") = "6"
    & skf21("2","2","7","3","2","7","3","1") = "6"
    & skf21("2","2","7","3","2","7","4","1") = "6"
    & skf21("2","2","7","3","2","7","5","1") = "6"
    & skf21("2","2","7","3","2","7","6","1") = "6"
    & skf21("2","2","7","3","2","7","7","1") = "6"
    & skf21("2","2","7","3","3","1","1","1") = "6"
    & skf21("2","2","7","3","3","1","2","1") = "6"
    & skf21("2","2","7","3","3","1","3","1") = "6"
    & skf21("2","2","7","3","3","1","4","1") = "6"
    & skf21("2","2","7","3","3","1","5","1") = "6"
    & skf21("2","2","7","3","3","1","6","1") = "6"
    & skf21("2","2","7","3","3","1","7","1") = "6"
    & skf21("2","2","7","3","3","2","1","1") = "6"
    & skf21("2","2","7","3","3","2","2","1") = "6"
    & skf21("2","2","7","3","3","2","3","1") = "6"
    & skf21("2","2","7","3","3","2","4","1") = "6"
    & skf21("2","2","7","3","3","2","5","1") = "6"
    & skf21("2","2","7","3","3","2","6","1") = "6"
    & skf21("2","2","7","3","3","2","7","1") = "6"
    & skf21("2","2","7","3","3","3","1","1") = "6"
    & skf21("2","2","7","3","3","3","2","1") = "6"
    & skf21("2","2","7","3","3","3","3","1") = "6"
    & skf21("2","2","7","3","3","3","4","1") = "6"
    & skf21("2","2","7","3","3","3","5","1") = "6"
    & skf21("2","2","7","3","3","3","6","1") = "6"
    & skf21("2","2","7","3","3","3","7","1") = "6"
    & skf21("2","2","7","3","3","4","1","1") = "6"
    & skf21("2","2","7","3","3","4","2","1") = "6"
    & skf21("2","2","7","3","3","4","3","1") = "6"
    & skf21("2","2","7","3","3","4","4","1") = "6"
    & skf21("2","2","7","3","3","4","5","1") = "6"
    & skf21("2","2","7","3","3","4","6","1") = "6"
    & skf21("2","2","7","3","3","4","7","1") = "6"
    & skf21("2","2","7","3","3","5","1","1") = "6"
    & skf21("2","2","7","3","3","5","2","1") = "6"
    & skf21("2","2","7","3","3","5","3","1") = "6"
    & skf21("2","2","7","3","3","5","4","1") = "6"
    & skf21("2","2","7","3","3","5","5","1") = "6"
    & skf21("2","2","7","3","3","5","6","1") = "6"
    & skf21("2","2","7","3","3","5","7","1") = "6"
    & skf21("2","2","7","3","3","6","1","1") = "6"
    & skf21("2","2","7","3","3","6","2","1") = "6"
    & skf21("2","2","7","3","3","6","3","1") = "6"
    & skf21("2","2","7","3","3","6","4","1") = "6"
    & skf21("2","2","7","3","3","6","5","1") = "6"
    & skf21("2","2","7","3","3","6","6","1") = "6"
    & skf21("2","2","7","3","3","6","7","1") = "6"
    & skf21("2","2","7","3","3","7","1","1") = "6"
    & skf21("2","2","7","3","3","7","2","1") = "6"
    & skf21("2","2","7","3","3","7","3","1") = "6"
    & skf21("2","2","7","3","3","7","4","1") = "6"
    & skf21("2","2","7","3","3","7","5","1") = "6"
    & skf21("2","2","7","3","3","7","6","1") = "6"
    & skf21("2","2","7","3","3","7","7","1") = "6"
    & skf21("2","2","7","3","4","1","1","1") = "6"
    & skf21("2","2","7","3","4","1","2","1") = "6"
    & skf21("2","2","7","3","4","1","3","1") = "6"
    & skf21("2","2","7","3","4","1","4","1") = "6"
    & skf21("2","2","7","3","4","1","5","1") = "6"
    & skf21("2","2","7","3","4","1","6","1") = "6"
    & skf21("2","2","7","3","4","1","7","1") = "6"
    & skf21("2","2","7","3","4","2","1","1") = "6"
    & skf21("2","2","7","3","4","2","2","1") = "6"
    & skf21("2","2","7","3","4","2","3","1") = "6"
    & skf21("2","2","7","3","4","2","4","1") = "6"
    & skf21("2","2","7","3","4","2","5","1") = "6"
    & skf21("2","2","7","3","4","2","6","1") = "6"
    & skf21("2","2","7","3","4","2","7","1") = "6"
    & skf21("2","2","7","3","4","3","1","1") = "6"
    & skf21("2","2","7","3","4","3","2","1") = "6"
    & skf21("2","2","7","3","4","3","3","1") = "6"
    & skf21("2","2","7","3","4","3","4","1") = "6"
    & skf21("2","2","7","3","4","3","5","1") = "6"
    & skf21("2","2","7","3","4","3","6","1") = "6"
    & skf21("2","2","7","3","4","3","7","1") = "6"
    & skf21("2","2","7","3","4","4","1","1") = "6"
    & skf21("2","2","7","3","4","4","2","1") = "6"
    & skf21("2","2","7","3","4","4","3","1") = "6"
    & skf21("2","2","7","3","4","4","4","1") = "6"
    & skf21("2","2","7","3","4","4","5","1") = "6"
    & skf21("2","2","7","3","4","4","6","1") = "6"
    & skf21("2","2","7","3","4","4","7","1") = "6"
    & skf21("2","2","7","3","4","5","1","1") = "6"
    & skf21("2","2","7","3","4","5","2","1") = "6"
    & skf21("2","2","7","3","4","5","3","1") = "6"
    & skf21("2","2","7","3","4","5","4","1") = "6"
    & skf21("2","2","7","3","4","5","5","1") = "6"
    & skf21("2","2","7","3","4","5","6","1") = "6"
    & skf21("2","2","7","3","4","5","7","1") = "6"
    & skf21("2","2","7","3","4","6","1","1") = "6"
    & skf21("2","2","7","3","4","6","2","1") = "6"
    & skf21("2","2","7","3","4","6","3","1") = "6"
    & skf21("2","2","7","3","4","6","4","1") = "6"
    & skf21("2","2","7","3","4","6","5","1") = "6"
    & skf21("2","2","7","3","4","6","6","1") = "6"
    & skf21("2","2","7","3","4","6","7","1") = "6"
    & skf21("2","2","7","3","4","7","1","1") = "6"
    & skf21("2","2","7","3","4","7","2","1") = "6"
    & skf21("2","2","7","3","4","7","3","1") = "6"
    & skf21("2","2","7","3","4","7","4","1") = "6"
    & skf21("2","2","7","3","4","7","5","1") = "6"
    & skf21("2","2","7","3","4","7","6","1") = "6"
    & skf21("2","2","7","3","4","7","7","1") = "6"
    & skf21("2","2","7","3","5","1","1","1") = "6"
    & skf21("2","2","7","3","5","1","2","1") = "6"
    & skf21("2","2","7","3","5","1","3","1") = "6"
    & skf21("2","2","7","3","5","1","4","1") = "6"
    & skf21("2","2","7","3","5","1","5","1") = "6"
    & skf21("2","2","7","3","5","1","6","1") = "6"
    & skf21("2","2","7","3","5","1","7","1") = "6"
    & skf21("2","2","7","3","5","2","1","1") = "6"
    & skf21("2","2","7","3","5","2","2","1") = "6"
    & skf21("2","2","7","3","5","2","3","1") = "6"
    & skf21("2","2","7","3","5","2","4","1") = "6"
    & skf21("2","2","7","3","5","2","5","1") = "6"
    & skf21("2","2","7","3","5","2","6","1") = "6"
    & skf21("2","2","7","3","5","2","7","1") = "6"
    & skf21("2","2","7","3","5","3","1","1") = "6"
    & skf21("2","2","7","3","5","3","2","1") = "6"
    & skf21("2","2","7","3","5","3","3","1") = "6"
    & skf21("2","2","7","3","5","3","4","1") = "6"
    & skf21("2","2","7","3","5","3","5","1") = "6"
    & skf21("2","2","7","3","5","3","6","1") = "6"
    & skf21("2","2","7","3","5","3","7","1") = "6"
    & skf21("2","2","7","3","5","4","1","1") = "6"
    & skf21("2","2","7","3","5","4","2","1") = "6"
    & skf21("2","2","7","3","5","4","3","1") = "6"
    & skf21("2","2","7","3","5","4","4","1") = "6"
    & skf21("2","2","7","3","5","4","5","1") = "6"
    & skf21("2","2","7","3","5","4","6","1") = "6"
    & skf21("2","2","7","3","5","4","7","1") = "6"
    & skf21("2","2","7","3","5","5","1","1") = "6"
    & skf21("2","2","7","3","5","5","2","1") = "6"
    & skf21("2","2","7","3","5","5","3","1") = "6"
    & skf21("2","2","7","3","5","5","4","1") = "6"
    & skf21("2","2","7","3","5","5","5","1") = "6"
    & skf21("2","2","7","3","5","5","6","1") = "6"
    & skf21("2","2","7","3","5","5","7","1") = "6"
    & skf21("2","2","7","3","5","6","1","1") = "6"
    & skf21("2","2","7","3","5","6","2","1") = "6"
    & skf21("2","2","7","3","5","6","3","1") = "6"
    & skf21("2","2","7","3","5","6","4","1") = "6"
    & skf21("2","2","7","3","5","6","5","1") = "6"
    & skf21("2","2","7","3","5","6","6","1") = "6"
    & skf21("2","2","7","3","5","6","7","1") = "6"
    & skf21("2","2","7","3","5","7","1","1") = "6"
    & skf21("2","2","7","3","5","7","2","1") = "6"
    & skf21("2","2","7","3","5","7","3","1") = "6"
    & skf21("2","2","7","3","5","7","4","1") = "6"
    & skf21("2","2","7","3","5","7","5","1") = "6"
    & skf21("2","2","7","3","5","7","6","1") = "6"
    & skf21("2","2","7","3","5","7","7","1") = "6"
    & skf21("2","2","7","3","6","1","1","1") = "6"
    & skf21("2","2","7","3","6","1","2","1") = "6"
    & skf21("2","2","7","3","6","1","3","1") = "6"
    & skf21("2","2","7","3","6","1","4","1") = "6"
    & skf21("2","2","7","3","6","1","5","1") = "6"
    & skf21("2","2","7","3","6","1","6","1") = "6"
    & skf21("2","2","7","3","6","1","7","1") = "6"
    & skf21("2","2","7","3","6","2","1","1") = "6"
    & skf21("2","2","7","3","6","2","2","1") = "6"
    & skf21("2","2","7","3","6","2","3","1") = "6"
    & skf21("2","2","7","3","6","2","4","1") = "6"
    & skf21("2","2","7","3","6","2","5","1") = "6"
    & skf21("2","2","7","3","6","2","6","1") = "6"
    & skf21("2","2","7","3","6","2","7","1") = "6"
    & skf21("2","2","7","3","6","3","1","1") = "6"
    & skf21("2","2","7","3","6","3","2","1") = "6"
    & skf21("2","2","7","3","6","3","3","1") = "6"
    & skf21("2","2","7","3","6","3","4","1") = "6"
    & skf21("2","2","7","3","6","3","5","1") = "6"
    & skf21("2","2","7","3","6","3","6","1") = "6"
    & skf21("2","2","7","3","6","3","7","1") = "6"
    & skf21("2","2","7","3","6","4","1","1") = "6"
    & skf21("2","2","7","3","6","4","2","1") = "6"
    & skf21("2","2","7","3","6","4","3","1") = "6"
    & skf21("2","2","7","3","6","4","4","1") = "6"
    & skf21("2","2","7","3","6","4","5","1") = "6"
    & skf21("2","2","7","3","6","4","6","1") = "6"
    & skf21("2","2","7","3","6","4","7","1") = "6"
    & skf21("2","2","7","3","6","5","1","1") = "6"
    & skf21("2","2","7","3","6","5","2","1") = "6"
    & skf21("2","2","7","3","6","5","3","1") = "6"
    & skf21("2","2","7","3","6","5","4","1") = "6"
    & skf21("2","2","7","3","6","5","5","1") = "6"
    & skf21("2","2","7","3","6","5","6","1") = "6"
    & skf21("2","2","7","3","6","5","7","1") = "6"
    & skf21("2","2","7","3","6","6","1","1") = "6"
    & skf21("2","2","7","3","6","6","2","1") = "6"
    & skf21("2","2","7","3","6","6","3","1") = "6"
    & skf21("2","2","7","3","6","6","4","1") = "6"
    & skf21("2","2","7","3","6","6","5","1") = "6"
    & skf21("2","2","7","3","6","6","6","1") = "6"
    & skf21("2","2","7","3","6","6","7","1") = "6"
    & skf21("2","2","7","3","6","7","1","1") = "6"
    & skf21("2","2","7","3","6","7","2","1") = "6"
    & skf21("2","2","7","3","6","7","3","1") = "6"
    & skf21("2","2","7","3","6","7","4","1") = "6"
    & skf21("2","2","7","3","6","7","5","1") = "6"
    & skf21("2","2","7","3","6","7","6","1") = "6"
    & skf21("2","2","7","3","6","7","7","1") = "6"
    & skf21("2","2","7","3","7","1","1","1") = "6"
    & skf21("2","2","7","3","7","1","2","1") = "6"
    & skf21("2","2","7","3","7","1","3","1") = "6"
    & skf21("2","2","7","3","7","1","4","1") = "6"
    & skf21("2","2","7","3","7","1","5","1") = "6"
    & skf21("2","2","7","3","7","1","6","1") = "6"
    & skf21("2","2","7","3","7","1","7","1") = "6"
    & skf21("2","2","7","3","7","2","1","1") = "6"
    & skf21("2","2","7","3","7","2","2","1") = "6"
    & skf21("2","2","7","3","7","2","3","1") = "6"
    & skf21("2","2","7","3","7","2","4","1") = "6"
    & skf21("2","2","7","3","7","2","5","1") = "6"
    & skf21("2","2","7","3","7","2","6","1") = "6"
    & skf21("2","2","7","3","7","2","7","1") = "6"
    & skf21("2","2","7","3","7","3","1","1") = "6"
    & skf21("2","2","7","3","7","3","2","1") = "6"
    & skf21("2","2","7","3","7","3","3","1") = "6"
    & skf21("2","2","7","3","7","3","4","1") = "6"
    & skf21("2","2","7","3","7","3","5","1") = "6"
    & skf21("2","2","7","3","7","3","6","1") = "6"
    & skf21("2","2","7","3","7","3","7","1") = "6"
    & skf21("2","2","7","3","7","4","1","1") = "6"
    & skf21("2","2","7","3","7","4","2","1") = "6"
    & skf21("2","2","7","3","7","4","3","1") = "6"
    & skf21("2","2","7","3","7","4","4","1") = "6"
    & skf21("2","2","7","3","7","4","5","1") = "6"
    & skf21("2","2","7","3","7","4","6","1") = "6"
    & skf21("2","2","7","3","7","4","7","1") = "6"
    & skf21("2","2","7","3","7","5","1","1") = "6"
    & skf21("2","2","7","3","7","5","2","1") = "6"
    & skf21("2","2","7","3","7","5","3","1") = "6"
    & skf21("2","2","7","3","7","5","4","1") = "6"
    & skf21("2","2","7","3","7","5","5","1") = "6"
    & skf21("2","2","7","3","7","5","6","1") = "6"
    & skf21("2","2","7","3","7","5","7","1") = "6"
    & skf21("2","2","7","3","7","6","1","1") = "6"
    & skf21("2","2","7","3","7","6","2","1") = "6"
    & skf21("2","2","7","3","7","6","3","1") = "6"
    & skf21("2","2","7","3","7","6","4","1") = "6"
    & skf21("2","2","7","3","7","6","5","1") = "6"
    & skf21("2","2","7","3","7","6","6","1") = "6"
    & skf21("2","2","7","3","7","6","7","1") = "6"
    & skf21("2","2","7","3","7","7","1","1") = "6"
    & skf21("2","2","7","3","7","7","2","1") = "6"
    & skf21("2","2","7","3","7","7","3","1") = "6"
    & skf21("2","2","7","3","7","7","4","1") = "6"
    & skf21("2","2","7","3","7","7","5","1") = "6"
    & skf21("2","2","7","3","7","7","6","1") = "6"
    & skf21("2","2","7","3","7","7","7","1") = "6"
    & skf21("2","2","7","4","1","1","1","1") = "6"
    & skf21("2","2","7","4","1","1","2","1") = "6"
    & skf21("2","2","7","4","1","1","3","1") = "6"
    & skf21("2","2","7","4","1","1","4","1") = "6"
    & skf21("2","2","7","4","1","1","5","1") = "6"
    & skf21("2","2","7","4","1","1","6","1") = "6"
    & skf21("2","2","7","4","1","1","7","1") = "6"
    & skf21("2","2","7","4","1","2","1","1") = "6"
    & skf21("2","2","7","4","1","2","2","1") = "6"
    & skf21("2","2","7","4","1","2","3","1") = "6"
    & skf21("2","2","7","4","1","2","4","1") = "6"
    & skf21("2","2","7","4","1","2","5","1") = "6"
    & skf21("2","2","7","4","1","2","6","1") = "6"
    & skf21("2","2","7","4","1","2","7","1") = "6"
    & skf21("2","2","7","4","1","3","1","1") = "6"
    & skf21("2","2","7","4","1","3","2","1") = "6"
    & skf21("2","2","7","4","1","3","3","1") = "6"
    & skf21("2","2","7","4","1","3","4","1") = "6"
    & skf21("2","2","7","4","1","3","5","1") = "6"
    & skf21("2","2","7","4","1","3","6","1") = "6"
    & skf21("2","2","7","4","1","3","7","1") = "6"
    & skf21("2","2","7","4","1","4","1","1") = "6"
    & skf21("2","2","7","4","1","4","2","1") = "6"
    & skf21("2","2","7","4","1","4","3","1") = "6"
    & skf21("2","2","7","4","1","4","4","1") = "6"
    & skf21("2","2","7","4","1","4","5","1") = "6"
    & skf21("2","2","7","4","1","4","6","1") = "6"
    & skf21("2","2","7","4","1","4","7","1") = "6"
    & skf21("2","2","7","4","1","5","1","1") = "6"
    & skf21("2","2","7","4","1","5","2","1") = "6"
    & skf21("2","2","7","4","1","5","3","1") = "6"
    & skf21("2","2","7","4","1","5","4","1") = "6"
    & skf21("2","2","7","4","1","5","5","1") = "6"
    & skf21("2","2","7","4","1","5","6","1") = "6"
    & skf21("2","2","7","4","1","5","7","1") = "6"
    & skf21("2","2","7","4","1","6","1","1") = "6"
    & skf21("2","2","7","4","1","6","2","1") = "6"
    & skf21("2","2","7","4","1","6","3","1") = "6"
    & skf21("2","2","7","4","1","6","4","1") = "6"
    & skf21("2","2","7","4","1","6","5","1") = "6"
    & skf21("2","2","7","4","1","6","6","1") = "6"
    & skf21("2","2","7","4","1","6","7","1") = "6"
    & skf21("2","2","7","4","1","7","1","1") = "6"
    & skf21("2","2","7","4","1","7","2","1") = "6"
    & skf21("2","2","7","4","1","7","3","1") = "6"
    & skf21("2","2","7","4","1","7","4","1") = "6"
    & skf21("2","2","7","4","1","7","5","1") = "6"
    & skf21("2","2","7","4","1","7","6","1") = "6"
    & skf21("2","2","7","4","1","7","7","1") = "6"
    & skf21("2","2","7","4","2","1","1","1") = "6"
    & skf21("2","2","7","4","2","1","2","1") = "6"
    & skf21("2","2","7","4","2","1","3","1") = "6"
    & skf21("2","2","7","4","2","1","4","1") = "6"
    & skf21("2","2","7","4","2","1","5","1") = "6"
    & skf21("2","2","7","4","2","1","6","1") = "6"
    & skf21("2","2","7","4","2","1","7","1") = "6"
    & skf21("2","2","7","4","2","2","1","1") = "6"
    & skf21("2","2","7","4","2","2","2","1") = "6"
    & skf21("2","2","7","4","2","2","3","1") = "6"
    & skf21("2","2","7","4","2","2","4","1") = "6"
    & skf21("2","2","7","4","2","2","5","1") = "6"
    & skf21("2","2","7","4","2","2","6","1") = "6"
    & skf21("2","2","7","4","2","2","7","1") = "6"
    & skf21("2","2","7","4","2","3","1","1") = "6"
    & skf21("2","2","7","4","2","3","2","1") = "6"
    & skf21("2","2","7","4","2","3","3","1") = "6"
    & skf21("2","2","7","4","2","3","4","1") = "6"
    & skf21("2","2","7","4","2","3","5","1") = "6"
    & skf21("2","2","7","4","2","3","6","1") = "6"
    & skf21("2","2","7","4","2","3","7","1") = "6"
    & skf21("2","2","7","4","2","4","1","1") = "6"
    & skf21("2","2","7","4","2","4","2","1") = "6"
    & skf21("2","2","7","4","2","4","3","1") = "6"
    & skf21("2","2","7","4","2","4","4","1") = "6"
    & skf21("2","2","7","4","2","4","5","1") = "6"
    & skf21("2","2","7","4","2","4","6","1") = "6"
    & skf21("2","2","7","4","2","4","7","1") = "6"
    & skf21("2","2","7","4","2","5","1","1") = "6"
    & skf21("2","2","7","4","2","5","2","1") = "6"
    & skf21("2","2","7","4","2","5","3","1") = "6"
    & skf21("2","2","7","4","2","5","4","1") = "6"
    & skf21("2","2","7","4","2","5","5","1") = "6"
    & skf21("2","2","7","4","2","5","6","1") = "6"
    & skf21("2","2","7","4","2","5","7","1") = "6"
    & skf21("2","2","7","4","2","6","1","1") = "6"
    & skf21("2","2","7","4","2","6","2","1") = "6"
    & skf21("2","2","7","4","2","6","3","1") = "6"
    & skf21("2","2","7","4","2","6","4","1") = "6"
    & skf21("2","2","7","4","2","6","5","1") = "6"
    & skf21("2","2","7","4","2","6","6","1") = "6"
    & skf21("2","2","7","4","2","6","7","1") = "6"
    & skf21("2","2","7","4","2","7","1","1") = "6"
    & skf21("2","2","7","4","2","7","2","1") = "6"
    & skf21("2","2","7","4","2","7","3","1") = "6"
    & skf21("2","2","7","4","2","7","4","1") = "6"
    & skf21("2","2","7","4","2","7","5","1") = "6"
    & skf21("2","2","7","4","2","7","6","1") = "6"
    & skf21("2","2","7","4","2","7","7","1") = "6"
    & skf21("2","2","7","4","3","1","1","1") = "6"
    & skf21("2","2","7","4","3","1","2","1") = "6"
    & skf21("2","2","7","4","3","1","3","1") = "6"
    & skf21("2","2","7","4","3","1","4","1") = "6"
    & skf21("2","2","7","4","3","1","5","1") = "6"
    & skf21("2","2","7","4","3","1","6","1") = "6"
    & skf21("2","2","7","4","3","1","7","1") = "6"
    & skf21("2","2","7","4","3","2","1","1") = "6"
    & skf21("2","2","7","4","3","2","2","1") = "6"
    & skf21("2","2","7","4","3","2","3","1") = "6"
    & skf21("2","2","7","4","3","2","4","1") = "6"
    & skf21("2","2","7","4","3","2","5","1") = "6"
    & skf21("2","2","7","4","3","2","6","1") = "6"
    & skf21("2","2","7","4","3","2","7","1") = "6"
    & skf21("2","2","7","4","3","3","1","1") = "6"
    & skf21("2","2","7","4","3","3","2","1") = "6"
    & skf21("2","2","7","4","3","3","3","1") = "6"
    & skf21("2","2","7","4","3","3","4","1") = "6"
    & skf21("2","2","7","4","3","3","5","1") = "6"
    & skf21("2","2","7","4","3","3","6","1") = "6"
    & skf21("2","2","7","4","3","3","7","1") = "6"
    & skf21("2","2","7","4","3","4","1","1") = "6"
    & skf21("2","2","7","4","3","4","2","1") = "6"
    & skf21("2","2","7","4","3","4","3","1") = "6"
    & skf21("2","2","7","4","3","4","4","1") = "6"
    & skf21("2","2","7","4","3","4","5","1") = "6"
    & skf21("2","2","7","4","3","4","6","1") = "6"
    & skf21("2","2","7","4","3","4","7","1") = "6"
    & skf21("2","2","7","4","3","5","1","1") = "6"
    & skf21("2","2","7","4","3","5","2","1") = "6"
    & skf21("2","2","7","4","3","5","3","1") = "6"
    & skf21("2","2","7","4","3","5","4","1") = "6"
    & skf21("2","2","7","4","3","5","5","1") = "6"
    & skf21("2","2","7","4","3","5","6","1") = "6"
    & skf21("2","2","7","4","3","5","7","1") = "6"
    & skf21("2","2","7","4","3","6","1","1") = "6"
    & skf21("2","2","7","4","3","6","2","1") = "6"
    & skf21("2","2","7","4","3","6","3","1") = "6"
    & skf21("2","2","7","4","3","6","4","1") = "6"
    & skf21("2","2","7","4","3","6","5","1") = "6"
    & skf21("2","2","7","4","3","6","6","1") = "6"
    & skf21("2","2","7","4","3","6","7","1") = "6"
    & skf21("2","2","7","4","3","7","1","1") = "6"
    & skf21("2","2","7","4","3","7","2","1") = "6"
    & skf21("2","2","7","4","3","7","3","1") = "6"
    & skf21("2","2","7","4","3","7","4","1") = "6"
    & skf21("2","2","7","4","3","7","5","1") = "6"
    & skf21("2","2","7","4","3","7","6","1") = "6"
    & skf21("2","2","7","4","3","7","7","1") = "6"
    & skf21("2","2","7","4","4","1","1","1") = "6"
    & skf21("2","2","7","4","4","1","2","1") = "6"
    & skf21("2","2","7","4","4","1","3","1") = "6"
    & skf21("2","2","7","4","4","1","4","1") = "6"
    & skf21("2","2","7","4","4","1","5","1") = "6"
    & skf21("2","2","7","4","4","1","6","1") = "6"
    & skf21("2","2","7","4","4","1","7","1") = "6"
    & skf21("2","2","7","4","4","2","1","1") = "6"
    & skf21("2","2","7","4","4","2","2","1") = "6"
    & skf21("2","2","7","4","4","2","3","1") = "6"
    & skf21("2","2","7","4","4","2","4","1") = "6"
    & skf21("2","2","7","4","4","2","5","1") = "6"
    & skf21("2","2","7","4","4","2","6","1") = "6"
    & skf21("2","2","7","4","4","2","7","1") = "6"
    & skf21("2","2","7","4","4","3","1","1") = "6"
    & skf21("2","2","7","4","4","3","2","1") = "6"
    & skf21("2","2","7","4","4","3","3","1") = "6"
    & skf21("2","2","7","4","4","3","4","1") = "6"
    & skf21("2","2","7","4","4","3","5","1") = "6"
    & skf21("2","2","7","4","4","3","6","1") = "6"
    & skf21("2","2","7","4","4","3","7","1") = "6"
    & skf21("2","2","7","4","4","4","1","1") = "6"
    & skf21("2","2","7","4","4","4","2","1") = "6"
    & skf21("2","2","7","4","4","4","3","1") = "6"
    & skf21("2","2","7","4","4","4","4","1") = "6"
    & skf21("2","2","7","4","4","4","5","1") = "6"
    & skf21("2","2","7","4","4","4","6","1") = "6"
    & skf21("2","2","7","4","4","4","7","1") = "6"
    & skf21("2","2","7","4","4","5","1","1") = "6"
    & skf21("2","2","7","4","4","5","2","1") = "6"
    & skf21("2","2","7","4","4","5","3","1") = "6"
    & skf21("2","2","7","4","4","5","4","1") = "6"
    & skf21("2","2","7","4","4","5","5","1") = "6"
    & skf21("2","2","7","4","4","5","6","1") = "6"
    & skf21("2","2","7","4","4","5","7","1") = "6"
    & skf21("2","2","7","4","4","6","1","1") = "6"
    & skf21("2","2","7","4","4","6","2","1") = "6"
    & skf21("2","2","7","4","4","6","3","1") = "6"
    & skf21("2","2","7","4","4","6","4","1") = "6"
    & skf21("2","2","7","4","4","6","5","1") = "6"
    & skf21("2","2","7","4","4","6","6","1") = "6"
    & skf21("2","2","7","4","4","6","7","1") = "6"
    & skf21("2","2","7","4","4","7","1","1") = "6"
    & skf21("2","2","7","4","4","7","2","1") = "6"
    & skf21("2","2","7","4","4","7","3","1") = "6"
    & skf21("2","2","7","4","4","7","4","1") = "6"
    & skf21("2","2","7","4","4","7","5","1") = "6"
    & skf21("2","2","7","4","4","7","6","1") = "6"
    & skf21("2","2","7","4","4","7","7","1") = "6"
    & skf21("2","2","7","4","5","1","1","1") = "6"
    & skf21("2","2","7","4","5","1","2","1") = "6"
    & skf21("2","2","7","4","5","1","3","1") = "6"
    & skf21("2","2","7","4","5","1","4","1") = "6"
    & skf21("2","2","7","4","5","1","5","1") = "6"
    & skf21("2","2","7","4","5","1","6","1") = "6"
    & skf21("2","2","7","4","5","1","7","1") = "6"
    & skf21("2","2","7","4","5","2","1","1") = "6"
    & skf21("2","2","7","4","5","2","2","1") = "6"
    & skf21("2","2","7","4","5","2","3","1") = "6"
    & skf21("2","2","7","4","5","2","4","1") = "6"
    & skf21("2","2","7","4","5","2","5","1") = "6"
    & skf21("2","2","7","4","5","2","6","1") = "6"
    & skf21("2","2","7","4","5","2","7","1") = "6"
    & skf21("2","2","7","4","5","3","1","1") = "6"
    & skf21("2","2","7","4","5","3","2","1") = "6"
    & skf21("2","2","7","4","5","3","3","1") = "6"
    & skf21("2","2","7","4","5","3","4","1") = "6"
    & skf21("2","2","7","4","5","3","5","1") = "6"
    & skf21("2","2","7","4","5","3","6","1") = "6"
    & skf21("2","2","7","4","5","3","7","1") = "6"
    & skf21("2","2","7","4","5","4","1","1") = "6"
    & skf21("2","2","7","4","5","4","2","1") = "6"
    & skf21("2","2","7","4","5","4","3","1") = "6"
    & skf21("2","2","7","4","5","4","4","1") = "6"
    & skf21("2","2","7","4","5","4","5","1") = "6"
    & skf21("2","2","7","4","5","4","6","1") = "6"
    & skf21("2","2","7","4","5","4","7","1") = "6"
    & skf21("2","2","7","4","5","5","1","1") = "6"
    & skf21("2","2","7","4","5","5","2","1") = "6"
    & skf21("2","2","7","4","5","5","3","1") = "6"
    & skf21("2","2","7","4","5","5","4","1") = "6"
    & skf21("2","2","7","4","5","5","5","1") = "6"
    & skf21("2","2","7","4","5","5","6","1") = "6"
    & skf21("2","2","7","4","5","5","7","1") = "6"
    & skf21("2","2","7","4","5","6","1","1") = "6"
    & skf21("2","2","7","4","5","6","2","1") = "6"
    & skf21("2","2","7","4","5","6","3","1") = "6"
    & skf21("2","2","7","4","5","6","4","1") = "6"
    & skf21("2","2","7","4","5","6","5","1") = "6"
    & skf21("2","2","7","4","5","6","6","1") = "6"
    & skf21("2","2","7","4","5","6","7","1") = "6"
    & skf21("2","2","7","4","5","7","1","1") = "6"
    & skf21("2","2","7","4","5","7","2","1") = "6"
    & skf21("2","2","7","4","5","7","3","1") = "6"
    & skf21("2","2","7","4","5","7","4","1") = "6"
    & skf21("2","2","7","4","5","7","5","1") = "6"
    & skf21("2","2","7","4","5","7","6","1") = "6"
    & skf21("2","2","7","4","5","7","7","1") = "6"
    & skf21("2","2","7","4","6","1","1","1") = "6"
    & skf21("2","2","7","4","6","1","2","1") = "6"
    & skf21("2","2","7","4","6","1","3","1") = "6"
    & skf21("2","2","7","4","6","1","4","1") = "6"
    & skf21("2","2","7","4","6","1","5","1") = "6"
    & skf21("2","2","7","4","6","1","6","1") = "6"
    & skf21("2","2","7","4","6","1","7","1") = "6"
    & skf21("2","2","7","4","6","2","1","1") = "6"
    & skf21("2","2","7","4","6","2","2","1") = "6"
    & skf21("2","2","7","4","6","2","3","1") = "6"
    & skf21("2","2","7","4","6","2","4","1") = "6"
    & skf21("2","2","7","4","6","2","5","1") = "6"
    & skf21("2","2","7","4","6","2","6","1") = "6"
    & skf21("2","2","7","4","6","2","7","1") = "6"
    & skf21("2","2","7","4","6","3","1","1") = "6"
    & skf21("2","2","7","4","6","3","2","1") = "6"
    & skf21("2","2","7","4","6","3","3","1") = "6"
    & skf21("2","2","7","4","6","3","4","1") = "6"
    & skf21("2","2","7","4","6","3","5","1") = "6"
    & skf21("2","2","7","4","6","3","6","1") = "6"
    & skf21("2","2","7","4","6","3","7","1") = "6"
    & skf21("2","2","7","4","6","4","1","1") = "6"
    & skf21("2","2","7","4","6","4","2","1") = "6"
    & skf21("2","2","7","4","6","4","3","1") = "6"
    & skf21("2","2","7","4","6","4","4","1") = "6"
    & skf21("2","2","7","4","6","4","5","1") = "6"
    & skf21("2","2","7","4","6","4","6","1") = "6"
    & skf21("2","2","7","4","6","4","7","1") = "6"
    & skf21("2","2","7","4","6","5","1","1") = "6"
    & skf21("2","2","7","4","6","5","2","1") = "6"
    & skf21("2","2","7","4","6","5","3","1") = "6"
    & skf21("2","2","7","4","6","5","4","1") = "6"
    & skf21("2","2","7","4","6","5","5","1") = "6"
    & skf21("2","2","7","4","6","5","6","1") = "6"
    & skf21("2","2","7","4","6","5","7","1") = "6"
    & skf21("2","2","7","4","6","6","1","1") = "6"
    & skf21("2","2","7","4","6","6","2","1") = "6"
    & skf21("2","2","7","4","6","6","3","1") = "6"
    & skf21("2","2","7","4","6","6","4","1") = "6"
    & skf21("2","2","7","4","6","6","5","1") = "6"
    & skf21("2","2","7","4","6","6","6","1") = "6"
    & skf21("2","2","7","4","6","6","7","1") = "6"
    & skf21("2","2","7","4","6","7","1","1") = "6"
    & skf21("2","2","7","4","6","7","2","1") = "6"
    & skf21("2","2","7","4","6","7","3","1") = "6"
    & skf21("2","2","7","4","6","7","4","1") = "6"
    & skf21("2","2","7","4","6","7","5","1") = "6"
    & skf21("2","2","7","4","6","7","6","1") = "6"
    & skf21("2","2","7","4","6","7","7","1") = "6"
    & skf21("2","2","7","4","7","1","1","1") = "6"
    & skf21("2","2","7","4","7","1","2","1") = "6"
    & skf21("2","2","7","4","7","1","3","1") = "6"
    & skf21("2","2","7","4","7","1","4","1") = "6"
    & skf21("2","2","7","4","7","1","5","1") = "6"
    & skf21("2","2","7","4","7","1","6","1") = "6"
    & skf21("2","2","7","4","7","1","7","1") = "6"
    & skf21("2","2","7","4","7","2","1","1") = "6"
    & skf21("2","2","7","4","7","2","2","1") = "6"
    & skf21("2","2","7","4","7","2","3","1") = "6"
    & skf21("2","2","7","4","7","2","4","1") = "6"
    & skf21("2","2","7","4","7","2","5","1") = "6"
    & skf21("2","2","7","4","7","2","6","1") = "6"
    & skf21("2","2","7","4","7","2","7","1") = "6"
    & skf21("2","2","7","4","7","3","1","1") = "6"
    & skf21("2","2","7","4","7","3","2","1") = "6"
    & skf21("2","2","7","4","7","3","3","1") = "6"
    & skf21("2","2","7","4","7","3","4","1") = "6"
    & skf21("2","2","7","4","7","3","5","1") = "6"
    & skf21("2","2","7","4","7","3","6","1") = "6"
    & skf21("2","2","7","4","7","3","7","1") = "6"
    & skf21("2","2","7","4","7","4","1","1") = "6"
    & skf21("2","2","7","4","7","4","2","1") = "6"
    & skf21("2","2","7","4","7","4","3","1") = "6"
    & skf21("2","2","7","4","7","4","4","1") = "6"
    & skf21("2","2","7","4","7","4","5","1") = "6"
    & skf21("2","2","7","4","7","4","6","1") = "6"
    & skf21("2","2","7","4","7","4","7","1") = "6"
    & skf21("2","2","7","4","7","5","1","1") = "6"
    & skf21("2","2","7","4","7","5","2","1") = "6"
    & skf21("2","2","7","4","7","5","3","1") = "6"
    & skf21("2","2","7","4","7","5","4","1") = "6"
    & skf21("2","2","7","4","7","5","5","1") = "6"
    & skf21("2","2","7","4","7","5","6","1") = "6"
    & skf21("2","2","7","4","7","5","7","1") = "6"
    & skf21("2","2","7","4","7","6","1","1") = "6"
    & skf21("2","2","7","4","7","6","2","1") = "6"
    & skf21("2","2","7","4","7","6","3","1") = "6"
    & skf21("2","2","7","4","7","6","4","1") = "6"
    & skf21("2","2","7","4","7","6","5","1") = "6"
    & skf21("2","2","7","4","7","6","6","1") = "6"
    & skf21("2","2","7","4","7","6","7","1") = "6"
    & skf21("2","2","7","4","7","7","1","1") = "6"
    & skf21("2","2","7","4","7","7","2","1") = "6"
    & skf21("2","2","7","4","7","7","3","1") = "6"
    & skf21("2","2","7","4","7","7","4","1") = "6"
    & skf21("2","2","7","4","7","7","5","1") = "6"
    & skf21("2","2","7","4","7","7","6","1") = "6"
    & skf21("2","2","7","4","7","7","7","1") = "6"
    & skf21("2","2","7","5","1","1","1","1") = "6"
    & skf21("2","2","7","5","1","1","2","1") = "6"
    & skf21("2","2","7","5","1","1","3","1") = "6"
    & skf21("2","2","7","5","1","1","4","1") = "6"
    & skf21("2","2","7","5","1","1","5","1") = "6"
    & skf21("2","2","7","5","1","1","6","1") = "6"
    & skf21("2","2","7","5","1","1","7","1") = "6"
    & skf21("2","2","7","5","1","2","1","1") = "6"
    & skf21("2","2","7","5","1","2","2","1") = "6"
    & skf21("2","2","7","5","1","2","3","1") = "6"
    & skf21("2","2","7","5","1","2","4","1") = "6"
    & skf21("2","2","7","5","1","2","5","1") = "6"
    & skf21("2","2","7","5","1","2","6","1") = "6"
    & skf21("2","2","7","5","1","2","7","1") = "6"
    & skf21("2","2","7","5","1","3","1","1") = "6"
    & skf21("2","2","7","5","1","3","2","1") = "6"
    & skf21("2","2","7","5","1","3","3","1") = "6"
    & skf21("2","2","7","5","1","3","4","1") = "6"
    & skf21("2","2","7","5","1","3","5","1") = "6"
    & skf21("2","2","7","5","1","3","6","1") = "6"
    & skf21("2","2","7","5","1","3","7","1") = "6"
    & skf21("2","2","7","5","1","4","1","1") = "6"
    & skf21("2","2","7","5","1","4","2","1") = "6"
    & skf21("2","2","7","5","1","4","3","1") = "6"
    & skf21("2","2","7","5","1","4","4","1") = "6"
    & skf21("2","2","7","5","1","4","5","1") = "6"
    & skf21("2","2","7","5","1","4","6","1") = "6"
    & skf21("2","2","7","5","1","4","7","1") = "6"
    & skf21("2","2","7","5","1","5","1","1") = "6"
    & skf21("2","2","7","5","1","5","2","1") = "6"
    & skf21("2","2","7","5","1","5","3","1") = "6"
    & skf21("2","2","7","5","1","5","4","1") = "6"
    & skf21("2","2","7","5","1","5","5","1") = "6"
    & skf21("2","2","7","5","1","5","6","1") = "6"
    & skf21("2","2","7","5","1","5","7","1") = "6"
    & skf21("2","2","7","5","1","6","1","1") = "6"
    & skf21("2","2","7","5","1","6","2","1") = "6"
    & skf21("2","2","7","5","1","6","3","1") = "6"
    & skf21("2","2","7","5","1","6","4","1") = "6"
    & skf21("2","2","7","5","1","6","5","1") = "6"
    & skf21("2","2","7","5","1","6","6","1") = "6"
    & skf21("2","2","7","5","1","6","7","1") = "6"
    & skf21("2","2","7","5","1","7","1","1") = "6"
    & skf21("2","2","7","5","1","7","2","1") = "6"
    & skf21("2","2","7","5","1","7","3","1") = "6"
    & skf21("2","2","7","5","1","7","4","1") = "6"
    & skf21("2","2","7","5","1","7","5","1") = "6"
    & skf21("2","2","7","5","1","7","6","1") = "6"
    & skf21("2","2","7","5","1","7","7","1") = "6"
    & skf21("2","2","7","5","2","1","1","1") = "6"
    & skf21("2","2","7","5","2","1","2","1") = "6"
    & skf21("2","2","7","5","2","1","3","1") = "6"
    & skf21("2","2","7","5","2","1","4","1") = "6"
    & skf21("2","2","7","5","2","1","5","1") = "6"
    & skf21("2","2","7","5","2","1","6","1") = "6"
    & skf21("2","2","7","5","2","1","7","1") = "6"
    & skf21("2","2","7","5","2","2","1","1") = "6"
    & skf21("2","2","7","5","2","2","2","1") = "6"
    & skf21("2","2","7","5","2","2","3","1") = "6"
    & skf21("2","2","7","5","2","2","4","1") = "6"
    & skf21("2","2","7","5","2","2","5","1") = "6"
    & skf21("2","2","7","5","2","2","6","1") = "6"
    & skf21("2","2","7","5","2","2","7","1") = "6"
    & skf21("2","2","7","5","2","3","1","1") = "6"
    & skf21("2","2","7","5","2","3","2","1") = "6"
    & skf21("2","2","7","5","2","3","3","1") = "6"
    & skf21("2","2","7","5","2","3","4","1") = "6"
    & skf21("2","2","7","5","2","3","5","1") = "6"
    & skf21("2","2","7","5","2","3","6","1") = "6"
    & skf21("2","2","7","5","2","3","7","1") = "6"
    & skf21("2","2","7","5","2","4","1","1") = "6"
    & skf21("2","2","7","5","2","4","2","1") = "6"
    & skf21("2","2","7","5","2","4","3","1") = "6"
    & skf21("2","2","7","5","2","4","4","1") = "6"
    & skf21("2","2","7","5","2","4","5","1") = "6"
    & skf21("2","2","7","5","2","4","6","1") = "6"
    & skf21("2","2","7","5","2","4","7","1") = "6"
    & skf21("2","2","7","5","2","5","1","1") = "6"
    & skf21("2","2","7","5","2","5","2","1") = "6"
    & skf21("2","2","7","5","2","5","3","1") = "6"
    & skf21("2","2","7","5","2","5","4","1") = "6"
    & skf21("2","2","7","5","2","5","5","1") = "6"
    & skf21("2","2","7","5","2","5","6","1") = "6"
    & skf21("2","2","7","5","2","5","7","1") = "6"
    & skf21("2","2","7","5","2","6","1","1") = "6"
    & skf21("2","2","7","5","2","6","2","1") = "6"
    & skf21("2","2","7","5","2","6","3","1") = "6"
    & skf21("2","2","7","5","2","6","4","1") = "6"
    & skf21("2","2","7","5","2","6","5","1") = "6"
    & skf21("2","2","7","5","2","6","6","1") = "6"
    & skf21("2","2","7","5","2","6","7","1") = "6"
    & skf21("2","2","7","5","2","7","1","1") = "6"
    & skf21("2","2","7","5","2","7","2","1") = "6"
    & skf21("2","2","7","5","2","7","3","1") = "6"
    & skf21("2","2","7","5","2","7","4","1") = "6"
    & skf21("2","2","7","5","2","7","5","1") = "6"
    & skf21("2","2","7","5","2","7","6","1") = "6"
    & skf21("2","2","7","5","2","7","7","1") = "6"
    & skf21("2","2","7","5","3","1","1","1") = "6"
    & skf21("2","2","7","5","3","1","2","1") = "6"
    & skf21("2","2","7","5","3","1","3","1") = "6"
    & skf21("2","2","7","5","3","1","4","1") = "6"
    & skf21("2","2","7","5","3","1","5","1") = "6"
    & skf21("2","2","7","5","3","1","6","1") = "6"
    & skf21("2","2","7","5","3","1","7","1") = "6"
    & skf21("2","2","7","5","3","2","1","1") = "6"
    & skf21("2","2","7","5","3","2","2","1") = "6"
    & skf21("2","2","7","5","3","2","3","1") = "6"
    & skf21("2","2","7","5","3","2","4","1") = "6"
    & skf21("2","2","7","5","3","2","5","1") = "6"
    & skf21("2","2","7","5","3","2","6","1") = "6"
    & skf21("2","2","7","5","3","2","7","1") = "6"
    & skf21("2","2","7","5","3","3","1","1") = "6"
    & skf21("2","2","7","5","3","3","2","1") = "6"
    & skf21("2","2","7","5","3","3","3","1") = "6"
    & skf21("2","2","7","5","3","3","4","1") = "6"
    & skf21("2","2","7","5","3","3","5","1") = "6"
    & skf21("2","2","7","5","3","3","6","1") = "6"
    & skf21("2","2","7","5","3","3","7","1") = "6"
    & skf21("2","2","7","5","3","4","1","1") = "6"
    & skf21("2","2","7","5","3","4","2","1") = "6"
    & skf21("2","2","7","5","3","4","3","1") = "6"
    & skf21("2","2","7","5","3","4","4","1") = "6"
    & skf21("2","2","7","5","3","4","5","1") = "6"
    & skf21("2","2","7","5","3","4","6","1") = "6"
    & skf21("2","2","7","5","3","4","7","1") = "6"
    & skf21("2","2","7","5","3","5","1","1") = "6"
    & skf21("2","2","7","5","3","5","2","1") = "6"
    & skf21("2","2","7","5","3","5","3","1") = "6"
    & skf21("2","2","7","5","3","5","4","1") = "6"
    & skf21("2","2","7","5","3","5","5","1") = "6"
    & skf21("2","2","7","5","3","5","6","1") = "6"
    & skf21("2","2","7","5","3","5","7","1") = "6"
    & skf21("2","2","7","5","3","6","1","1") = "6"
    & skf21("2","2","7","5","3","6","2","1") = "6"
    & skf21("2","2","7","5","3","6","3","1") = "6"
    & skf21("2","2","7","5","3","6","4","1") = "6"
    & skf21("2","2","7","5","3","6","5","1") = "6"
    & skf21("2","2","7","5","3","6","6","1") = "6"
    & skf21("2","2","7","5","3","6","7","1") = "6"
    & skf21("2","2","7","5","3","7","1","1") = "6"
    & skf21("2","2","7","5","3","7","2","1") = "6"
    & skf21("2","2","7","5","3","7","3","1") = "6"
    & skf21("2","2","7","5","3","7","4","1") = "6"
    & skf21("2","2","7","5","3","7","5","1") = "6"
    & skf21("2","2","7","5","3","7","6","1") = "6"
    & skf21("2","2","7","5","3","7","7","1") = "6"
    & skf21("2","2","7","5","4","1","1","1") = "6"
    & skf21("2","2","7","5","4","1","2","1") = "6"
    & skf21("2","2","7","5","4","1","3","1") = "6"
    & skf21("2","2","7","5","4","1","4","1") = "6"
    & skf21("2","2","7","5","4","1","5","1") = "6"
    & skf21("2","2","7","5","4","1","6","1") = "6"
    & skf21("2","2","7","5","4","1","7","1") = "6"
    & skf21("2","2","7","5","4","2","1","1") = "6"
    & skf21("2","2","7","5","4","2","2","1") = "6"
    & skf21("2","2","7","5","4","2","3","1") = "6"
    & skf21("2","2","7","5","4","2","4","1") = "6"
    & skf21("2","2","7","5","4","2","5","1") = "6"
    & skf21("2","2","7","5","4","2","6","1") = "6"
    & skf21("2","2","7","5","4","2","7","1") = "6"
    & skf21("2","2","7","5","4","3","1","1") = "6"
    & skf21("2","2","7","5","4","3","2","1") = "6"
    & skf21("2","2","7","5","4","3","3","1") = "6"
    & skf21("2","2","7","5","4","3","4","1") = "6"
    & skf21("2","2","7","5","4","3","5","1") = "6"
    & skf21("2","2","7","5","4","3","6","1") = "6"
    & skf21("2","2","7","5","4","3","7","1") = "6"
    & skf21("2","2","7","5","4","4","1","1") = "6"
    & skf21("2","2","7","5","4","4","2","1") = "6"
    & skf21("2","2","7","5","4","4","3","1") = "6"
    & skf21("2","2","7","5","4","4","4","1") = "6"
    & skf21("2","2","7","5","4","4","5","1") = "6"
    & skf21("2","2","7","5","4","4","6","1") = "6"
    & skf21("2","2","7","5","4","4","7","1") = "6"
    & skf21("2","2","7","5","4","5","1","1") = "6"
    & skf21("2","2","7","5","4","5","2","1") = "6"
    & skf21("2","2","7","5","4","5","3","1") = "6"
    & skf21("2","2","7","5","4","5","4","1") = "6"
    & skf21("2","2","7","5","4","5","5","1") = "6"
    & skf21("2","2","7","5","4","5","6","1") = "6"
    & skf21("2","2","7","5","4","5","7","1") = "6"
    & skf21("2","2","7","5","4","6","1","1") = "6"
    & skf21("2","2","7","5","4","6","2","1") = "6"
    & skf21("2","2","7","5","4","6","3","1") = "6"
    & skf21("2","2","7","5","4","6","4","1") = "6"
    & skf21("2","2","7","5","4","6","5","1") = "6"
    & skf21("2","2","7","5","4","6","6","1") = "6"
    & skf21("2","2","7","5","4","6","7","1") = "6"
    & skf21("2","2","7","5","4","7","1","1") = "6"
    & skf21("2","2","7","5","4","7","2","1") = "6"
    & skf21("2","2","7","5","4","7","3","1") = "6"
    & skf21("2","2","7","5","4","7","4","1") = "6"
    & skf21("2","2","7","5","4","7","5","1") = "6"
    & skf21("2","2","7","5","4","7","6","1") = "6"
    & skf21("2","2","7","5","4","7","7","1") = "6"
    & skf21("2","2","7","5","5","1","1","1") = "6"
    & skf21("2","2","7","5","5","1","2","1") = "6"
    & skf21("2","2","7","5","5","1","3","1") = "6"
    & skf21("2","2","7","5","5","1","4","1") = "6"
    & skf21("2","2","7","5","5","1","5","1") = "6"
    & skf21("2","2","7","5","5","1","6","1") = "6"
    & skf21("2","2","7","5","5","1","7","1") = "6"
    & skf21("2","2","7","5","5","2","1","1") = "6"
    & skf21("2","2","7","5","5","2","2","1") = "6"
    & skf21("2","2","7","5","5","2","3","1") = "6"
    & skf21("2","2","7","5","5","2","4","1") = "6"
    & skf21("2","2","7","5","5","2","5","1") = "6"
    & skf21("2","2","7","5","5","2","6","1") = "6"
    & skf21("2","2","7","5","5","2","7","1") = "6"
    & skf21("2","2","7","5","5","3","1","1") = "6"
    & skf21("2","2","7","5","5","3","2","1") = "6"
    & skf21("2","2","7","5","5","3","3","1") = "6"
    & skf21("2","2","7","5","5","3","4","1") = "6"
    & skf21("2","2","7","5","5","3","5","1") = "6"
    & skf21("2","2","7","5","5","3","6","1") = "6"
    & skf21("2","2","7","5","5","3","7","1") = "6"
    & skf21("2","2","7","5","5","4","1","1") = "6"
    & skf21("2","2","7","5","5","4","2","1") = "6"
    & skf21("2","2","7","5","5","4","3","1") = "6"
    & skf21("2","2","7","5","5","4","4","1") = "6"
    & skf21("2","2","7","5","5","4","5","1") = "6"
    & skf21("2","2","7","5","5","4","6","1") = "6"
    & skf21("2","2","7","5","5","4","7","1") = "6"
    & skf21("2","2","7","5","5","5","1","1") = "6"
    & skf21("2","2","7","5","5","5","2","1") = "6"
    & skf21("2","2","7","5","5","5","3","1") = "6"
    & skf21("2","2","7","5","5","5","4","1") = "6"
    & skf21("2","2","7","5","5","5","5","1") = "6"
    & skf21("2","2","7","5","5","5","6","1") = "6"
    & skf21("2","2","7","5","5","5","7","1") = "6"
    & skf21("2","2","7","5","5","6","1","1") = "6"
    & skf21("2","2","7","5","5","6","2","1") = "6"
    & skf21("2","2","7","5","5","6","3","1") = "6"
    & skf21("2","2","7","5","5","6","4","1") = "6"
    & skf21("2","2","7","5","5","6","5","1") = "6"
    & skf21("2","2","7","5","5","6","6","1") = "6"
    & skf21("2","2","7","5","5","6","7","1") = "6"
    & skf21("2","2","7","5","5","7","1","1") = "6"
    & skf21("2","2","7","5","5","7","2","1") = "6"
    & skf21("2","2","7","5","5","7","3","1") = "6"
    & skf21("2","2","7","5","5","7","4","1") = "6"
    & skf21("2","2","7","5","5","7","5","1") = "6"
    & skf21("2","2","7","5","5","7","6","1") = "6"
    & skf21("2","2","7","5","5","7","7","1") = "6"
    & skf21("2","2","7","5","6","1","1","1") = "6"
    & skf21("2","2","7","5","6","1","2","1") = "6"
    & skf21("2","2","7","5","6","1","3","1") = "6"
    & skf21("2","2","7","5","6","1","4","1") = "6"
    & skf21("2","2","7","5","6","1","5","1") = "6"
    & skf21("2","2","7","5","6","1","6","1") = "6"
    & skf21("2","2","7","5","6","1","7","1") = "6"
    & skf21("2","2","7","5","6","2","1","1") = "6"
    & skf21("2","2","7","5","6","2","2","1") = "6"
    & skf21("2","2","7","5","6","2","3","1") = "6"
    & skf21("2","2","7","5","6","2","4","1") = "6"
    & skf21("2","2","7","5","6","2","5","1") = "6"
    & skf21("2","2","7","5","6","2","6","1") = "6"
    & skf21("2","2","7","5","6","2","7","1") = "6"
    & skf21("2","2","7","5","6","3","1","1") = "6"
    & skf21("2","2","7","5","6","3","2","1") = "6"
    & skf21("2","2","7","5","6","3","3","1") = "6"
    & skf21("2","2","7","5","6","3","4","1") = "6"
    & skf21("2","2","7","5","6","3","5","1") = "6"
    & skf21("2","2","7","5","6","3","6","1") = "6"
    & skf21("2","2","7","5","6","3","7","1") = "6"
    & skf21("2","2","7","5","6","4","1","1") = "6"
    & skf21("2","2","7","5","6","4","2","1") = "6"
    & skf21("2","2","7","5","6","4","3","1") = "6"
    & skf21("2","2","7","5","6","4","4","1") = "6"
    & skf21("2","2","7","5","6","4","5","1") = "6"
    & skf21("2","2","7","5","6","4","6","1") = "6"
    & skf21("2","2","7","5","6","4","7","1") = "6"
    & skf21("2","2","7","5","6","5","1","1") = "6"
    & skf21("2","2","7","5","6","5","2","1") = "6"
    & skf21("2","2","7","5","6","5","3","1") = "6"
    & skf21("2","2","7","5","6","5","4","1") = "6"
    & skf21("2","2","7","5","6","5","5","1") = "6"
    & skf21("2","2","7","5","6","5","6","1") = "6"
    & skf21("2","2","7","5","6","5","7","1") = "6"
    & skf21("2","2","7","5","6","6","1","1") = "6"
    & skf21("2","2","7","5","6","6","2","1") = "6"
    & skf21("2","2","7","5","6","6","3","1") = "6"
    & skf21("2","2","7","5","6","6","4","1") = "6"
    & skf21("2","2","7","5","6","6","5","1") = "6"
    & skf21("2","2","7","5","6","6","6","1") = "6"
    & skf21("2","2","7","5","6","6","7","1") = "6"
    & skf21("2","2","7","5","6","7","1","1") = "6"
    & skf21("2","2","7","5","6","7","2","1") = "6"
    & skf21("2","2","7","5","6","7","3","1") = "6"
    & skf21("2","2","7","5","6","7","4","1") = "6"
    & skf21("2","2","7","5","6","7","5","1") = "6"
    & skf21("2","2","7","5","6","7","6","1") = "6"
    & skf21("2","2","7","5","6","7","7","1") = "6"
    & skf21("2","2","7","5","7","1","1","1") = "6"
    & skf21("2","2","7","5","7","1","2","1") = "6"
    & skf21("2","2","7","5","7","1","3","1") = "6"
    & skf21("2","2","7","5","7","1","4","1") = "6"
    & skf21("2","2","7","5","7","1","5","1") = "6"
    & skf21("2","2","7","5","7","1","6","1") = "6"
    & skf21("2","2","7","5","7","1","7","1") = "6"
    & skf21("2","2","7","5","7","2","1","1") = "6"
    & skf21("2","2","7","5","7","2","2","1") = "6"
    & skf21("2","2","7","5","7","2","3","1") = "6"
    & skf21("2","2","7","5","7","2","4","1") = "6"
    & skf21("2","2","7","5","7","2","5","1") = "6"
    & skf21("2","2","7","5","7","2","6","1") = "6"
    & skf21("2","2","7","5","7","2","7","1") = "6"
    & skf21("2","2","7","5","7","3","1","1") = "6"
    & skf21("2","2","7","5","7","3","2","1") = "6"
    & skf21("2","2","7","5","7","3","3","1") = "6"
    & skf21("2","2","7","5","7","3","4","1") = "6"
    & skf21("2","2","7","5","7","3","5","1") = "6"
    & skf21("2","2","7","5","7","3","6","1") = "6"
    & skf21("2","2","7","5","7","3","7","1") = "6"
    & skf21("2","2","7","5","7","4","1","1") = "6"
    & skf21("2","2","7","5","7","4","2","1") = "6"
    & skf21("2","2","7","5","7","4","3","1") = "6"
    & skf21("2","2","7","5","7","4","4","1") = "6"
    & skf21("2","2","7","5","7","4","5","1") = "6"
    & skf21("2","2","7","5","7","4","6","1") = "6"
    & skf21("2","2","7","5","7","4","7","1") = "6"
    & skf21("2","2","7","5","7","5","1","1") = "6"
    & skf21("2","2","7","5","7","5","2","1") = "6"
    & skf21("2","2","7","5","7","5","3","1") = "6"
    & skf21("2","2","7","5","7","5","4","1") = "6"
    & skf21("2","2","7","5","7","5","5","1") = "6"
    & skf21("2","2","7","5","7","5","6","1") = "6"
    & skf21("2","2","7","5","7","5","7","1") = "6"
    & skf21("2","2","7","5","7","6","1","1") = "6"
    & skf21("2","2","7","5","7","6","2","1") = "6"
    & skf21("2","2","7","5","7","6","3","1") = "6"
    & skf21("2","2","7","5","7","6","4","1") = "6"
    & skf21("2","2","7","5","7","6","5","1") = "6"
    & skf21("2","2","7","5","7","6","6","1") = "6"
    & skf21("2","2","7","5","7","6","7","1") = "6"
    & skf21("2","2","7","5","7","7","1","1") = "6"
    & skf21("2","2","7","5","7","7","2","1") = "6"
    & skf21("2","2","7","5","7","7","3","1") = "6"
    & skf21("2","2","7","5","7","7","4","1") = "6"
    & skf21("2","2","7","5","7","7","5","1") = "6"
    & skf21("2","2","7","5","7","7","6","1") = "6"
    & skf21("2","2","7","5","7","7","7","1") = "6"
    & skf21("2","2","7","6","1","1","1","1") = "6"
    & skf21("2","2","7","6","1","1","2","1") = "6"
    & skf21("2","2","7","6","1","1","3","1") = "6"
    & skf21("2","2","7","6","1","1","4","1") = "6"
    & skf21("2","2","7","6","1","1","5","1") = "6"
    & skf21("2","2","7","6","1","1","6","1") = "6"
    & skf21("2","2","7","6","1","1","7","1") = "6"
    & skf21("2","2","7","6","1","2","1","1") = "6"
    & skf21("2","2","7","6","1","2","2","1") = "6"
    & skf21("2","2","7","6","1","2","3","1") = "6"
    & skf21("2","2","7","6","1","2","4","1") = "6"
    & skf21("2","2","7","6","1","2","5","1") = "6"
    & skf21("2","2","7","6","1","2","6","1") = "6"
    & skf21("2","2","7","6","1","2","7","1") = "6"
    & skf21("2","2","7","6","1","3","1","1") = "6"
    & skf21("2","2","7","6","1","3","2","1") = "6"
    & skf21("2","2","7","6","1","3","3","1") = "6"
    & skf21("2","2","7","6","1","3","4","1") = "6"
    & skf21("2","2","7","6","1","3","5","1") = "6"
    & skf21("2","2","7","6","1","3","6","1") = "6"
    & skf21("2","2","7","6","1","3","7","1") = "6"
    & skf21("2","2","7","6","1","4","1","1") = "6"
    & skf21("2","2","7","6","1","4","2","1") = "6"
    & skf21("2","2","7","6","1","4","3","1") = "6"
    & skf21("2","2","7","6","1","4","4","1") = "6"
    & skf21("2","2","7","6","1","4","5","1") = "6"
    & skf21("2","2","7","6","1","4","6","1") = "6"
    & skf21("2","2","7","6","1","4","7","1") = "6"
    & skf21("2","2","7","6","1","5","1","1") = "6"
    & skf21("2","2","7","6","1","5","2","1") = "6"
    & skf21("2","2","7","6","1","5","3","1") = "6"
    & skf21("2","2","7","6","1","5","4","1") = "6"
    & skf21("2","2","7","6","1","5","5","1") = "6"
    & skf21("2","2","7","6","1","5","6","1") = "6"
    & skf21("2","2","7","6","1","5","7","1") = "6"
    & skf21("2","2","7","6","1","6","1","1") = "6"
    & skf21("2","2","7","6","1","6","2","1") = "6"
    & skf21("2","2","7","6","1","6","3","1") = "6"
    & skf21("2","2","7","6","1","6","4","1") = "6"
    & skf21("2","2","7","6","1","6","5","1") = "6"
    & skf21("2","2","7","6","1","6","6","1") = "6"
    & skf21("2","2","7","6","1","6","7","1") = "6"
    & skf21("2","2","7","6","1","7","1","1") = "6"
    & skf21("2","2","7","6","1","7","2","1") = "6"
    & skf21("2","2","7","6","1","7","3","1") = "6"
    & skf21("2","2","7","6","1","7","4","1") = "6"
    & skf21("2","2","7","6","1","7","5","1") = "6"
    & skf21("2","2","7","6","1","7","6","1") = "6"
    & skf21("2","2","7","6","1","7","7","1") = "6"
    & skf21("2","2","7","6","2","1","1","1") = "6"
    & skf21("2","2","7","6","2","1","2","1") = "6"
    & skf21("2","2","7","6","2","1","3","1") = "6"
    & skf21("2","2","7","6","2","1","4","1") = "6"
    & skf21("2","2","7","6","2","1","5","1") = "6"
    & skf21("2","2","7","6","2","1","6","1") = "6"
    & skf21("2","2","7","6","2","1","7","1") = "6"
    & skf21("2","2","7","6","2","2","1","1") = "6"
    & skf21("2","2","7","6","2","2","2","1") = "6"
    & skf21("2","2","7","6","2","2","3","1") = "6"
    & skf21("2","2","7","6","2","2","4","1") = "6"
    & skf21("2","2","7","6","2","2","5","1") = "6"
    & skf21("2","2","7","6","2","2","6","1") = "6"
    & skf21("2","2","7","6","2","2","7","1") = "6"
    & skf21("2","2","7","6","2","3","1","1") = "6"
    & skf21("2","2","7","6","2","3","2","1") = "6"
    & skf21("2","2","7","6","2","3","3","1") = "6"
    & skf21("2","2","7","6","2","3","4","1") = "6"
    & skf21("2","2","7","6","2","3","5","1") = "6"
    & skf21("2","2","7","6","2","3","6","1") = "6"
    & skf21("2","2","7","6","2","3","7","1") = "6"
    & skf21("2","2","7","6","2","4","1","1") = "6"
    & skf21("2","2","7","6","2","4","2","1") = "6"
    & skf21("2","2","7","6","2","4","3","1") = "6"
    & skf21("2","2","7","6","2","4","4","1") = "6"
    & skf21("2","2","7","6","2","4","5","1") = "6"
    & skf21("2","2","7","6","2","4","6","1") = "6"
    & skf21("2","2","7","6","2","4","7","1") = "6"
    & skf21("2","2","7","6","2","5","1","1") = "6"
    & skf21("2","2","7","6","2","5","2","1") = "6"
    & skf21("2","2","7","6","2","5","3","1") = "6"
    & skf21("2","2","7","6","2","5","4","1") = "6"
    & skf21("2","2","7","6","2","5","5","1") = "6"
    & skf21("2","2","7","6","2","5","6","1") = "6"
    & skf21("2","2","7","6","2","5","7","1") = "6"
    & skf21("2","2","7","6","2","6","1","1") = "6"
    & skf21("2","2","7","6","2","6","2","1") = "6"
    & skf21("2","2","7","6","2","6","3","1") = "6"
    & skf21("2","2","7","6","2","6","4","1") = "6"
    & skf21("2","2","7","6","2","6","5","1") = "6"
    & skf21("2","2","7","6","2","6","6","1") = "6"
    & skf21("2","2","7","6","2","6","7","1") = "6"
    & skf21("2","2","7","6","2","7","1","1") = "6"
    & skf21("2","2","7","6","2","7","2","1") = "6"
    & skf21("2","2","7","6","2","7","3","1") = "6"
    & skf21("2","2","7","6","2","7","4","1") = "6"
    & skf21("2","2","7","6","2","7","5","1") = "6"
    & skf21("2","2","7","6","2","7","6","1") = "6"
    & skf21("2","2","7","6","2","7","7","1") = "6"
    & skf21("2","2","7","6","3","1","1","1") = "6"
    & skf21("2","2","7","6","3","1","2","1") = "6"
    & skf21("2","2","7","6","3","1","3","1") = "6"
    & skf21("2","2","7","6","3","1","4","1") = "6"
    & skf21("2","2","7","6","3","1","5","1") = "6"
    & skf21("2","2","7","6","3","1","6","1") = "6"
    & skf21("2","2","7","6","3","1","7","1") = "6"
    & skf21("2","2","7","6","3","2","1","1") = "6"
    & skf21("2","2","7","6","3","2","2","1") = "6"
    & skf21("2","2","7","6","3","2","3","1") = "6"
    & skf21("2","2","7","6","3","2","4","1") = "6"
    & skf21("2","2","7","6","3","2","5","1") = "6"
    & skf21("2","2","7","6","3","2","6","1") = "6"
    & skf21("2","2","7","6","3","2","7","1") = "6"
    & skf21("2","2","7","6","3","3","1","1") = "6"
    & skf21("2","2","7","6","3","3","2","1") = "6"
    & skf21("2","2","7","6","3","3","3","1") = "6"
    & skf21("2","2","7","6","3","3","4","1") = "6"
    & skf21("2","2","7","6","3","3","5","1") = "6"
    & skf21("2","2","7","6","3","3","6","1") = "6"
    & skf21("2","2","7","6","3","3","7","1") = "6"
    & skf21("2","2","7","6","3","4","1","1") = "6"
    & skf21("2","2","7","6","3","4","2","1") = "6"
    & skf21("2","2","7","6","3","4","3","1") = "6"
    & skf21("2","2","7","6","3","4","4","1") = "6"
    & skf21("2","2","7","6","3","4","5","1") = "6"
    & skf21("2","2","7","6","3","4","6","1") = "6"
    & skf21("2","2","7","6","3","4","7","1") = "6"
    & skf21("2","2","7","6","3","5","1","1") = "6"
    & skf21("2","2","7","6","3","5","2","1") = "6"
    & skf21("2","2","7","6","3","5","3","1") = "6"
    & skf21("2","2","7","6","3","5","4","1") = "6"
    & skf21("2","2","7","6","3","5","5","1") = "6"
    & skf21("2","2","7","6","3","5","6","1") = "6"
    & skf21("2","2","7","6","3","5","7","1") = "6"
    & skf21("2","2","7","6","3","6","1","1") = "6"
    & skf21("2","2","7","6","3","6","2","1") = "6"
    & skf21("2","2","7","6","3","6","3","1") = "6"
    & skf21("2","2","7","6","3","6","4","1") = "6"
    & skf21("2","2","7","6","3","6","5","1") = "6"
    & skf21("2","2","7","6","3","6","6","1") = "6"
    & skf21("2","2","7","6","3","6","7","1") = "6"
    & skf21("2","2","7","6","3","7","1","1") = "6"
    & skf21("2","2","7","6","3","7","2","1") = "6"
    & skf21("2","2","7","6","3","7","3","1") = "6"
    & skf21("2","2","7","6","3","7","4","1") = "6"
    & skf21("2","2","7","6","3","7","5","1") = "6"
    & skf21("2","2","7","6","3","7","6","1") = "6"
    & skf21("2","2","7","6","3","7","7","1") = "6"
    & skf21("2","2","7","6","4","1","1","1") = "6"
    & skf21("2","2","7","6","4","1","2","1") = "6"
    & skf21("2","2","7","6","4","1","3","1") = "6"
    & skf21("2","2","7","6","4","1","4","1") = "6"
    & skf21("2","2","7","6","4","1","5","1") = "6"
    & skf21("2","2","7","6","4","1","6","1") = "6"
    & skf21("2","2","7","6","4","1","7","1") = "6"
    & skf21("2","2","7","6","4","2","1","1") = "6"
    & skf21("2","2","7","6","4","2","2","1") = "6"
    & skf21("2","2","7","6","4","2","3","1") = "6"
    & skf21("2","2","7","6","4","2","4","1") = "6"
    & skf21("2","2","7","6","4","2","5","1") = "6"
    & skf21("2","2","7","6","4","2","6","1") = "6"
    & skf21("2","2","7","6","4","2","7","1") = "6"
    & skf21("2","2","7","6","4","3","1","1") = "6"
    & skf21("2","2","7","6","4","3","2","1") = "6"
    & skf21("2","2","7","6","4","3","3","1") = "6"
    & skf21("2","2","7","6","4","3","4","1") = "6"
    & skf21("2","2","7","6","4","3","5","1") = "6"
    & skf21("2","2","7","6","4","3","6","1") = "6"
    & skf21("2","2","7","6","4","3","7","1") = "6"
    & skf21("2","2","7","6","4","4","1","1") = "6"
    & skf21("2","2","7","6","4","4","2","1") = "6"
    & skf21("2","2","7","6","4","4","3","1") = "6"
    & skf21("2","2","7","6","4","4","4","1") = "6"
    & skf21("2","2","7","6","4","4","5","1") = "6"
    & skf21("2","2","7","6","4","4","6","1") = "6"
    & skf21("2","2","7","6","4","4","7","1") = "6"
    & skf21("2","2","7","6","4","5","1","1") = "6"
    & skf21("2","2","7","6","4","5","2","1") = "6"
    & skf21("2","2","7","6","4","5","3","1") = "6"
    & skf21("2","2","7","6","4","5","4","1") = "6"
    & skf21("2","2","7","6","4","5","5","1") = "6"
    & skf21("2","2","7","6","4","5","6","1") = "6"
    & skf21("2","2","7","6","4","5","7","1") = "6"
    & skf21("2","2","7","6","4","6","1","1") = "6"
    & skf21("2","2","7","6","4","6","2","1") = "6"
    & skf21("2","2","7","6","4","6","3","1") = "6"
    & skf21("2","2","7","6","4","6","4","1") = "6"
    & skf21("2","2","7","6","4","6","5","1") = "6"
    & skf21("2","2","7","6","4","6","6","1") = "6"
    & skf21("2","2","7","6","4","6","7","1") = "6"
    & skf21("2","2","7","6","4","7","1","1") = "6"
    & skf21("2","2","7","6","4","7","2","1") = "6"
    & skf21("2","2","7","6","4","7","3","1") = "6"
    & skf21("2","2","7","6","4","7","4","1") = "6"
    & skf21("2","2","7","6","4","7","5","1") = "6"
    & skf21("2","2","7","6","4","7","6","1") = "6"
    & skf21("2","2","7","6","4","7","7","1") = "6"
    & skf21("2","2","7","6","5","1","1","1") = "6"
    & skf21("2","2","7","6","5","1","2","1") = "6"
    & skf21("2","2","7","6","5","1","3","1") = "6"
    & skf21("2","2","7","6","5","1","4","1") = "6"
    & skf21("2","2","7","6","5","1","5","1") = "6"
    & skf21("2","2","7","6","5","1","6","1") = "6"
    & skf21("2","2","7","6","5","1","7","1") = "6"
    & skf21("2","2","7","6","5","2","1","1") = "6"
    & skf21("2","2","7","6","5","2","2","1") = "6"
    & skf21("2","2","7","6","5","2","3","1") = "6"
    & skf21("2","2","7","6","5","2","4","1") = "6"
    & skf21("2","2","7","6","5","2","5","1") = "6"
    & skf21("2","2","7","6","5","2","6","1") = "6"
    & skf21("2","2","7","6","5","2","7","1") = "6"
    & skf21("2","2","7","6","5","3","1","1") = "6"
    & skf21("2","2","7","6","5","3","2","1") = "6"
    & skf21("2","2","7","6","5","3","3","1") = "6"
    & skf21("2","2","7","6","5","3","4","1") = "6"
    & skf21("2","2","7","6","5","3","5","1") = "6"
    & skf21("2","2","7","6","5","3","6","1") = "6"
    & skf21("2","2","7","6","5","3","7","1") = "6"
    & skf21("2","2","7","6","5","4","1","1") = "6"
    & skf21("2","2","7","6","5","4","2","1") = "6"
    & skf21("2","2","7","6","5","4","3","1") = "6"
    & skf21("2","2","7","6","5","4","4","1") = "6"
    & skf21("2","2","7","6","5","4","5","1") = "6"
    & skf21("2","2","7","6","5","4","6","1") = "6"
    & skf21("2","2","7","6","5","4","7","1") = "6"
    & skf21("2","2","7","6","5","5","1","1") = "6"
    & skf21("2","2","7","6","5","5","2","1") = "6"
    & skf21("2","2","7","6","5","5","3","1") = "6"
    & skf21("2","2","7","6","5","5","4","1") = "6"
    & skf21("2","2","7","6","5","5","5","1") = "6"
    & skf21("2","2","7","6","5","5","6","1") = "6"
    & skf21("2","2","7","6","5","5","7","1") = "6"
    & skf21("2","2","7","6","5","6","1","1") = "6"
    & skf21("2","2","7","6","5","6","2","1") = "6"
    & skf21("2","2","7","6","5","6","3","1") = "6"
    & skf21("2","2","7","6","5","6","4","1") = "6"
    & skf21("2","2","7","6","5","6","5","1") = "6"
    & skf21("2","2","7","6","5","6","6","1") = "6"
    & skf21("2","2","7","6","5","6","7","1") = "6"
    & skf21("2","2","7","6","5","7","1","1") = "6"
    & skf21("2","2","7","6","5","7","2","1") = "6"
    & skf21("2","2","7","6","5","7","3","1") = "6"
    & skf21("2","2","7","6","5","7","4","1") = "6"
    & skf21("2","2","7","6","5","7","5","1") = "6"
    & skf21("2","2","7","6","5","7","6","1") = "6"
    & skf21("2","2","7","6","5","7","7","1") = "6"
    & skf21("2","2","7","6","6","1","1","1") = "6"
    & skf21("2","2","7","6","6","1","2","1") = "6"
    & skf21("2","2","7","6","6","1","3","1") = "6"
    & skf21("2","2","7","6","6","1","4","1") = "6"
    & skf21("2","2","7","6","6","1","5","1") = "6"
    & skf21("2","2","7","6","6","1","6","1") = "6"
    & skf21("2","2","7","6","6","1","7","1") = "6"
    & skf21("2","2","7","6","6","2","1","1") = "6"
    & skf21("2","2","7","6","6","2","2","1") = "6"
    & skf21("2","2","7","6","6","2","3","1") = "6"
    & skf21("2","2","7","6","6","2","4","1") = "6"
    & skf21("2","2","7","6","6","2","5","1") = "6"
    & skf21("2","2","7","6","6","2","6","1") = "6"
    & skf21("2","2","7","6","6","2","7","1") = "6"
    & skf21("2","2","7","6","6","3","1","1") = "6"
    & skf21("2","2","7","6","6","3","2","1") = "6"
    & skf21("2","2","7","6","6","3","3","1") = "6"
    & skf21("2","2","7","6","6","3","4","1") = "6"
    & skf21("2","2","7","6","6","3","5","1") = "6"
    & skf21("2","2","7","6","6","3","6","1") = "6"
    & skf21("2","2","7","6","6","3","7","1") = "6"
    & skf21("2","2","7","6","6","4","1","1") = "6"
    & skf21("2","2","7","6","6","4","2","1") = "6"
    & skf21("2","2","7","6","6","4","3","1") = "6"
    & skf21("2","2","7","6","6","4","4","1") = "6"
    & skf21("2","2","7","6","6","4","5","1") = "6"
    & skf21("2","2","7","6","6","4","6","1") = "6"
    & skf21("2","2","7","6","6","4","7","1") = "6"
    & skf21("2","2","7","6","6","5","1","1") = "6"
    & skf21("2","2","7","6","6","5","2","1") = "6"
    & skf21("2","2","7","6","6","5","3","1") = "6"
    & skf21("2","2","7","6","6","5","4","1") = "6"
    & skf21("2","2","7","6","6","5","5","1") = "6"
    & skf21("2","2","7","6","6","5","6","1") = "6"
    & skf21("2","2","7","6","6","5","7","1") = "6"
    & skf21("2","2","7","6","6","6","1","1") = "6"
    & skf21("2","2","7","6","6","6","2","1") = "6"
    & skf21("2","2","7","6","6","6","3","1") = "6"
    & skf21("2","2","7","6","6","6","4","1") = "6"
    & skf21("2","2","7","6","6","6","5","1") = "6"
    & skf21("2","2","7","6","6","6","6","1") = "6"
    & skf21("2","2","7","6","6","6","7","1") = "6"
    & skf21("2","2","7","6","6","7","1","1") = "6"
    & skf21("2","2","7","6","6","7","2","1") = "6"
    & skf21("2","2","7","6","6","7","3","1") = "6"
    & skf21("2","2","7","6","6","7","4","1") = "6"
    & skf21("2","2","7","6","6","7","5","1") = "6"
    & skf21("2","2","7","6","6","7","6","1") = "6"
    & skf21("2","2","7","6","6","7","7","1") = "6"
    & skf21("2","2","7","6","7","1","1","1") = "6"
    & skf21("2","2","7","6","7","1","2","1") = "6"
    & skf21("2","2","7","6","7","1","3","1") = "6"
    & skf21("2","2","7","6","7","1","4","1") = "6"
    & skf21("2","2","7","6","7","1","5","1") = "6"
    & skf21("2","2","7","6","7","1","6","1") = "6"
    & skf21("2","2","7","6","7","1","7","1") = "6"
    & skf21("2","2","7","6","7","2","1","1") = "6"
    & skf21("2","2","7","6","7","2","2","1") = "6"
    & skf21("2","2","7","6","7","2","3","1") = "6"
    & skf21("2","2","7","6","7","2","4","1") = "6"
    & skf21("2","2","7","6","7","2","5","1") = "6"
    & skf21("2","2","7","6","7","2","6","1") = "6"
    & skf21("2","2","7","6","7","2","7","1") = "6"
    & skf21("2","2","7","6","7","3","1","1") = "6"
    & skf21("2","2","7","6","7","3","2","1") = "6"
    & skf21("2","2","7","6","7","3","3","1") = "6"
    & skf21("2","2","7","6","7","3","4","1") = "6"
    & skf21("2","2","7","6","7","3","5","1") = "6"
    & skf21("2","2","7","6","7","3","6","1") = "6"
    & skf21("2","2","7","6","7","3","7","1") = "6"
    & skf21("2","2","7","6","7","4","1","1") = "6"
    & skf21("2","2","7","6","7","4","2","1") = "6"
    & skf21("2","2","7","6","7","4","3","1") = "6"
    & skf21("2","2","7","6","7","4","4","1") = "6"
    & skf21("2","2","7","6","7","4","5","1") = "6"
    & skf21("2","2","7","6","7","4","6","1") = "6"
    & skf21("2","2","7","6","7","4","7","1") = "6"
    & skf21("2","2","7","6","7","5","1","1") = "6"
    & skf21("2","2","7","6","7","5","2","1") = "6"
    & skf21("2","2","7","6","7","5","3","1") = "6"
    & skf21("2","2","7","6","7","5","4","1") = "6"
    & skf21("2","2","7","6","7","5","5","1") = "6"
    & skf21("2","2","7","6","7","5","6","1") = "6"
    & skf21("2","2","7","6","7","5","7","1") = "6"
    & skf21("2","2","7","6","7","6","1","1") = "6"
    & skf21("2","2","7","6","7","6","2","1") = "6"
    & skf21("2","2","7","6","7","6","3","1") = "6"
    & skf21("2","2","7","6","7","6","4","1") = "6"
    & skf21("2","2","7","6","7","6","5","1") = "6"
    & skf21("2","2","7","6","7","6","6","1") = "6"
    & skf21("2","2","7","6","7","6","7","1") = "6"
    & skf21("2","2","7","6","7","7","1","1") = "6"
    & skf21("2","2","7","6","7","7","2","1") = "6"
    & skf21("2","2","7","6","7","7","3","1") = "6"
    & skf21("2","2","7","6","7","7","4","1") = "6"
    & skf21("2","2","7","6","7","7","5","1") = "6"
    & skf21("2","2","7","6","7","7","6","1") = "6"
    & skf21("2","2","7","6","7","7","7","1") = "6"
    & skf21("2","2","7","7","1","1","1","1") = "6"
    & skf21("2","2","7","7","1","1","2","1") = "6"
    & skf21("2","2","7","7","1","1","3","1") = "6"
    & skf21("2","2","7","7","1","1","4","1") = "6"
    & skf21("2","2","7","7","1","1","5","1") = "6"
    & skf21("2","2","7","7","1","1","6","1") = "6"
    & skf21("2","2","7","7","1","1","7","1") = "6"
    & skf21("2","2","7","7","1","2","1","1") = "6"
    & skf21("2","2","7","7","1","2","2","1") = "6"
    & skf21("2","2","7","7","1","2","3","1") = "6"
    & skf21("2","2","7","7","1","2","4","1") = "6"
    & skf21("2","2","7","7","1","2","5","1") = "6"
    & skf21("2","2","7","7","1","2","6","1") = "6"
    & skf21("2","2","7","7","1","2","7","1") = "6"
    & skf21("2","2","7","7","1","3","1","1") = "6"
    & skf21("2","2","7","7","1","3","2","1") = "6"
    & skf21("2","2","7","7","1","3","3","1") = "6"
    & skf21("2","2","7","7","1","3","4","1") = "6"
    & skf21("2","2","7","7","1","3","5","1") = "6"
    & skf21("2","2","7","7","1","3","6","1") = "6"
    & skf21("2","2","7","7","1","3","7","1") = "6"
    & skf21("2","2","7","7","1","4","1","1") = "6"
    & skf21("2","2","7","7","1","4","2","1") = "6"
    & skf21("2","2","7","7","1","4","3","1") = "6"
    & skf21("2","2","7","7","1","4","4","1") = "6"
    & skf21("2","2","7","7","1","4","5","1") = "6"
    & skf21("2","2","7","7","1","4","6","1") = "6"
    & skf21("2","2","7","7","1","4","7","1") = "6"
    & skf21("2","2","7","7","1","5","1","1") = "6"
    & skf21("2","2","7","7","1","5","2","1") = "6"
    & skf21("2","2","7","7","1","5","3","1") = "6"
    & skf21("2","2","7","7","1","5","4","1") = "6"
    & skf21("2","2","7","7","1","5","5","1") = "6"
    & skf21("2","2","7","7","1","5","6","1") = "6"
    & skf21("2","2","7","7","1","5","7","1") = "6"
    & skf21("2","2","7","7","1","6","1","1") = "6"
    & skf21("2","2","7","7","1","6","2","1") = "6"
    & skf21("2","2","7","7","1","6","3","1") = "6"
    & skf21("2","2","7","7","1","6","4","1") = "6"
    & skf21("2","2","7","7","1","6","5","1") = "6"
    & skf21("2","2","7","7","1","6","6","1") = "6"
    & skf21("2","2","7","7","1","6","7","1") = "6"
    & skf21("2","2","7","7","1","7","1","1") = "6"
    & skf21("2","2","7","7","1","7","2","1") = "6"
    & skf21("2","2","7","7","1","7","3","1") = "6"
    & skf21("2","2","7","7","1","7","4","1") = "6"
    & skf21("2","2","7","7","1","7","5","1") = "6"
    & skf21("2","2","7","7","1","7","6","1") = "6"
    & skf21("2","2","7","7","1","7","7","1") = "6"
    & skf21("2","2","7","7","2","1","1","1") = "6"
    & skf21("2","2","7","7","2","1","2","1") = "6"
    & skf21("2","2","7","7","2","1","3","1") = "6"
    & skf21("2","2","7","7","2","1","4","1") = "6"
    & skf21("2","2","7","7","2","1","5","1") = "6"
    & skf21("2","2","7","7","2","1","6","1") = "6"
    & skf21("2","2","7","7","2","1","7","1") = "6"
    & skf21("2","2","7","7","2","2","1","1") = "6"
    & skf21("2","2","7","7","2","2","2","1") = "6"
    & skf21("2","2","7","7","2","2","3","1") = "6"
    & skf21("2","2","7","7","2","2","4","1") = "6"
    & skf21("2","2","7","7","2","2","5","1") = "6"
    & skf21("2","2","7","7","2","2","6","1") = "6"
    & skf21("2","2","7","7","2","2","7","1") = "6"
    & skf21("2","2","7","7","2","3","1","1") = "6"
    & skf21("2","2","7","7","2","3","2","1") = "6"
    & skf21("2","2","7","7","2","3","3","1") = "6"
    & skf21("2","2","7","7","2","3","4","1") = "6"
    & skf21("2","2","7","7","2","3","5","1") = "6"
    & skf21("2","2","7","7","2","3","6","1") = "6"
    & skf21("2","2","7","7","2","3","7","1") = "6"
    & skf21("2","2","7","7","2","4","1","1") = "6"
    & skf21("2","2","7","7","2","4","2","1") = "6"
    & skf21("2","2","7","7","2","4","3","1") = "6"
    & skf21("2","2","7","7","2","4","4","1") = "6"
    & skf21("2","2","7","7","2","4","5","1") = "6"
    & skf21("2","2","7","7","2","4","6","1") = "6"
    & skf21("2","2","7","7","2","4","7","1") = "6"
    & skf21("2","2","7","7","2","5","1","1") = "6"
    & skf21("2","2","7","7","2","5","2","1") = "6"
    & skf21("2","2","7","7","2","5","3","1") = "6"
    & skf21("2","2","7","7","2","5","4","1") = "6"
    & skf21("2","2","7","7","2","5","5","1") = "6"
    & skf21("2","2","7","7","2","5","6","1") = "6"
    & skf21("2","2","7","7","2","5","7","1") = "6"
    & skf21("2","2","7","7","2","6","1","1") = "6"
    & skf21("2","2","7","7","2","6","2","1") = "6"
    & skf21("2","2","7","7","2","6","3","1") = "6"
    & skf21("2","2","7","7","2","6","4","1") = "6"
    & skf21("2","2","7","7","2","6","5","1") = "6"
    & skf21("2","2","7","7","2","6","6","1") = "6"
    & skf21("2","2","7","7","2","6","7","1") = "6"
    & skf21("2","2","7","7","2","7","1","1") = "6"
    & skf21("2","2","7","7","2","7","2","1") = "6"
    & skf21("2","2","7","7","2","7","3","1") = "6"
    & skf21("2","2","7","7","2","7","4","1") = "6"
    & skf21("2","2","7","7","2","7","5","1") = "6"
    & skf21("2","2","7","7","2","7","6","1") = "6"
    & skf21("2","2","7","7","2","7","7","1") = "6"
    & skf21("2","2","7","7","3","1","1","1") = "6"
    & skf21("2","2","7","7","3","1","2","1") = "6"
    & skf21("2","2","7","7","3","1","3","1") = "6"
    & skf21("2","2","7","7","3","1","4","1") = "6"
    & skf21("2","2","7","7","3","1","5","1") = "6"
    & skf21("2","2","7","7","3","1","6","1") = "6"
    & skf21("2","2","7","7","3","1","7","1") = "6"
    & skf21("2","2","7","7","3","2","1","1") = "6"
    & skf21("2","2","7","7","3","2","2","1") = "6"
    & skf21("2","2","7","7","3","2","3","1") = "6"
    & skf21("2","2","7","7","3","2","4","1") = "6"
    & skf21("2","2","7","7","3","2","5","1") = "6"
    & skf21("2","2","7","7","3","2","6","1") = "6"
    & skf21("2","2","7","7","3","2","7","1") = "6"
    & skf21("2","2","7","7","3","3","1","1") = "6"
    & skf21("2","2","7","7","3","3","2","1") = "6"
    & skf21("2","2","7","7","3","3","3","1") = "6"
    & skf21("2","2","7","7","3","3","4","1") = "6"
    & skf21("2","2","7","7","3","3","5","1") = "6"
    & skf21("2","2","7","7","3","3","6","1") = "6"
    & skf21("2","2","7","7","3","3","7","1") = "6"
    & skf21("2","2","7","7","3","4","1","1") = "6"
    & skf21("2","2","7","7","3","4","2","1") = "6"
    & skf21("2","2","7","7","3","4","3","1") = "6"
    & skf21("2","2","7","7","3","4","4","1") = "6"
    & skf21("2","2","7","7","3","4","5","1") = "6"
    & skf21("2","2","7","7","3","4","6","1") = "6"
    & skf21("2","2","7","7","3","4","7","1") = "6"
    & skf21("2","2","7","7","3","5","1","1") = "6"
    & skf21("2","2","7","7","3","5","2","1") = "6"
    & skf21("2","2","7","7","3","5","3","1") = "6"
    & skf21("2","2","7","7","3","5","4","1") = "6"
    & skf21("2","2","7","7","3","5","5","1") = "6"
    & skf21("2","2","7","7","3","5","6","1") = "6"
    & skf21("2","2","7","7","3","5","7","1") = "6"
    & skf21("2","2","7","7","3","6","1","1") = "6"
    & skf21("2","2","7","7","3","6","2","1") = "6"
    & skf21("2","2","7","7","3","6","3","1") = "6"
    & skf21("2","2","7","7","3","6","4","1") = "6"
    & skf21("2","2","7","7","3","6","5","1") = "6"
    & skf21("2","2","7","7","3","6","6","1") = "6"
    & skf21("2","2","7","7","3","6","7","1") = "6"
    & skf21("2","2","7","7","3","7","1","1") = "6"
    & skf21("2","2","7","7","3","7","2","1") = "6"
    & skf21("2","2","7","7","3","7","3","1") = "6"
    & skf21("2","2","7","7","3","7","4","1") = "6"
    & skf21("2","2","7","7","3","7","5","1") = "6"
    & skf21("2","2","7","7","3","7","6","1") = "6"
    & skf21("2","2","7","7","3","7","7","1") = "6"
    & skf21("2","2","7","7","4","1","1","1") = "6"
    & skf21("2","2","7","7","4","1","2","1") = "6"
    & skf21("2","2","7","7","4","1","3","1") = "6"
    & skf21("2","2","7","7","4","1","4","1") = "6"
    & skf21("2","2","7","7","4","1","5","1") = "6"
    & skf21("2","2","7","7","4","1","6","1") = "6"
    & skf21("2","2","7","7","4","1","7","1") = "6"
    & skf21("2","2","7","7","4","2","1","1") = "6"
    & skf21("2","2","7","7","4","2","2","1") = "6"
    & skf21("2","2","7","7","4","2","3","1") = "6"
    & skf21("2","2","7","7","4","2","4","1") = "6"
    & skf21("2","2","7","7","4","2","5","1") = "6"
    & skf21("2","2","7","7","4","2","6","1") = "6"
    & skf21("2","2","7","7","4","2","7","1") = "6"
    & skf21("2","2","7","7","4","3","1","1") = "6"
    & skf21("2","2","7","7","4","3","2","1") = "6"
    & skf21("2","2","7","7","4","3","3","1") = "6"
    & skf21("2","2","7","7","4","3","4","1") = "6"
    & skf21("2","2","7","7","4","3","5","1") = "6"
    & skf21("2","2","7","7","4","3","6","1") = "6"
    & skf21("2","2","7","7","4","3","7","1") = "6"
    & skf21("2","2","7","7","4","4","1","1") = "6"
    & skf21("2","2","7","7","4","4","2","1") = "6"
    & skf21("2","2","7","7","4","4","3","1") = "6"
    & skf21("2","2","7","7","4","4","4","1") = "6"
    & skf21("2","2","7","7","4","4","5","1") = "6"
    & skf21("2","2","7","7","4","4","6","1") = "6"
    & skf21("2","2","7","7","4","4","7","1") = "6"
    & skf21("2","2","7","7","4","5","1","1") = "6"
    & skf21("2","2","7","7","4","5","2","1") = "6"
    & skf21("2","2","7","7","4","5","3","1") = "6"
    & skf21("2","2","7","7","4","5","4","1") = "6"
    & skf21("2","2","7","7","4","5","5","1") = "6"
    & skf21("2","2","7","7","4","5","6","1") = "6"
    & skf21("2","2","7","7","4","5","7","1") = "6"
    & skf21("2","2","7","7","4","6","1","1") = "6"
    & skf21("2","2","7","7","4","6","2","1") = "6"
    & skf21("2","2","7","7","4","6","3","1") = "6"
    & skf21("2","2","7","7","4","6","4","1") = "6"
    & skf21("2","2","7","7","4","6","5","1") = "6"
    & skf21("2","2","7","7","4","6","6","1") = "6"
    & skf21("2","2","7","7","4","6","7","1") = "6"
    & skf21("2","2","7","7","4","7","1","1") = "6"
    & skf21("2","2","7","7","4","7","2","1") = "6"
    & skf21("2","2","7","7","4","7","3","1") = "6"
    & skf21("2","2","7","7","4","7","4","1") = "6"
    & skf21("2","2","7","7","4","7","5","1") = "6"
    & skf21("2","2","7","7","4","7","6","1") = "6"
    & skf21("2","2","7","7","4","7","7","1") = "6"
    & skf21("2","2","7","7","5","1","1","1") = "6"
    & skf21("2","2","7","7","5","1","2","1") = "6"
    & skf21("2","2","7","7","5","1","3","1") = "6"
    & skf21("2","2","7","7","5","1","4","1") = "6"
    & skf21("2","2","7","7","5","1","5","1") = "6"
    & skf21("2","2","7","7","5","1","6","1") = "6"
    & skf21("2","2","7","7","5","1","7","1") = "6"
    & skf21("2","2","7","7","5","2","1","1") = "6"
    & skf21("2","2","7","7","5","2","2","1") = "6"
    & skf21("2","2","7","7","5","2","3","1") = "6"
    & skf21("2","2","7","7","5","2","4","1") = "6"
    & skf21("2","2","7","7","5","2","5","1") = "6"
    & skf21("2","2","7","7","5","2","6","1") = "6"
    & skf21("2","2","7","7","5","2","7","1") = "6"
    & skf21("2","2","7","7","5","3","1","1") = "6"
    & skf21("2","2","7","7","5","3","2","1") = "6"
    & skf21("2","2","7","7","5","3","3","1") = "6"
    & skf21("2","2","7","7","5","3","4","1") = "6"
    & skf21("2","2","7","7","5","3","5","1") = "6"
    & skf21("2","2","7","7","5","3","6","1") = "6"
    & skf21("2","2","7","7","5","3","7","1") = "6"
    & skf21("2","2","7","7","5","4","1","1") = "6"
    & skf21("2","2","7","7","5","4","2","1") = "6"
    & skf21("2","2","7","7","5","4","3","1") = "6"
    & skf21("2","2","7","7","5","4","4","1") = "6"
    & skf21("2","2","7","7","5","4","5","1") = "6"
    & skf21("2","2","7","7","5","4","6","1") = "6"
    & skf21("2","2","7","7","5","4","7","1") = "6"
    & skf21("2","2","7","7","5","5","1","1") = "6"
    & skf21("2","2","7","7","5","5","2","1") = "6"
    & skf21("2","2","7","7","5","5","3","1") = "6"
    & skf21("2","2","7","7","5","5","4","1") = "6"
    & skf21("2","2","7","7","5","5","5","1") = "6"
    & skf21("2","2","7","7","5","5","6","1") = "6"
    & skf21("2","2","7","7","5","5","7","1") = "6"
    & skf21("2","2","7","7","5","6","1","1") = "6"
    & skf21("2","2","7","7","5","6","2","1") = "6"
    & skf21("2","2","7","7","5","6","3","1") = "6"
    & skf21("2","2","7","7","5","6","4","1") = "6"
    & skf21("2","2","7","7","5","6","5","1") = "6"
    & skf21("2","2","7","7","5","6","6","1") = "6"
    & skf21("2","2","7","7","5","6","7","1") = "6"
    & skf21("2","2","7","7","5","7","1","1") = "6"
    & skf21("2","2","7","7","5","7","2","1") = "6"
    & skf21("2","2","7","7","5","7","3","1") = "6"
    & skf21("2","2","7","7","5","7","4","1") = "6"
    & skf21("2","2","7","7","5","7","5","1") = "6"
    & skf21("2","2","7","7","5","7","6","1") = "6"
    & skf21("2","2","7","7","5","7","7","1") = "6"
    & skf21("2","2","7","7","6","1","1","1") = "6"
    & skf21("2","2","7","7","6","1","2","1") = "6"
    & skf21("2","2","7","7","6","1","3","1") = "6"
    & skf21("2","2","7","7","6","1","4","1") = "6"
    & skf21("2","2","7","7","6","1","5","1") = "6"
    & skf21("2","2","7","7","6","1","6","1") = "6"
    & skf21("2","2","7","7","6","1","7","1") = "6"
    & skf21("2","2","7","7","6","2","1","1") = "6"
    & skf21("2","2","7","7","6","2","2","1") = "6"
    & skf21("2","2","7","7","6","2","3","1") = "6"
    & skf21("2","2","7","7","6","2","4","1") = "6"
    & skf21("2","2","7","7","6","2","5","1") = "6"
    & skf21("2","2","7","7","6","2","6","1") = "6"
    & skf21("2","2","7","7","6","2","7","1") = "6"
    & skf21("2","2","7","7","6","3","1","1") = "6"
    & skf21("2","2","7","7","6","3","2","1") = "6"
    & skf21("2","2","7","7","6","3","3","1") = "6"
    & skf21("2","2","7","7","6","3","4","1") = "6"
    & skf21("2","2","7","7","6","3","5","1") = "6"
    & skf21("2","2","7","7","6","3","6","1") = "6"
    & skf21("2","2","7","7","6","3","7","1") = "6"
    & skf21("2","2","7","7","6","4","1","1") = "6"
    & skf21("2","2","7","7","6","4","2","1") = "6"
    & skf21("2","2","7","7","6","4","3","1") = "6"
    & skf21("2","2","7","7","6","4","4","1") = "6"
    & skf21("2","2","7","7","6","4","5","1") = "6"
    & skf21("2","2","7","7","6","4","6","1") = "6"
    & skf21("2","2","7","7","6","4","7","1") = "6"
    & skf21("2","2","7","7","6","5","1","1") = "6"
    & skf21("2","2","7","7","6","5","2","1") = "6"
    & skf21("2","2","7","7","6","5","3","1") = "6"
    & skf21("2","2","7","7","6","5","4","1") = "6"
    & skf21("2","2","7","7","6","5","5","1") = "6"
    & skf21("2","2","7","7","6","5","6","1") = "6"
    & skf21("2","2","7","7","6","5","7","1") = "6"
    & skf21("2","2","7","7","6","6","1","1") = "6"
    & skf21("2","2","7","7","6","6","2","1") = "6"
    & skf21("2","2","7","7","6","6","3","1") = "6"
    & skf21("2","2","7","7","6","6","4","1") = "6"
    & skf21("2","2","7","7","6","6","5","1") = "6"
    & skf21("2","2","7","7","6","6","6","1") = "6"
    & skf21("2","2","7","7","6","6","7","1") = "6"
    & skf21("2","2","7","7","6","7","1","1") = "6"
    & skf21("2","2","7","7","6","7","2","1") = "6"
    & skf21("2","2","7","7","6","7","3","1") = "6"
    & skf21("2","2","7","7","6","7","4","1") = "6"
    & skf21("2","2","7","7","6","7","5","1") = "6"
    & skf21("2","2","7","7","6","7","6","1") = "6"
    & skf21("2","2","7","7","6","7","7","1") = "6"
    & skf21("2","2","7","7","7","1","1","1") = "6"
    & skf21("2","2","7","7","7","1","2","1") = "6"
    & skf21("2","2","7","7","7","1","3","1") = "6"
    & skf21("2","2","7","7","7","1","4","1") = "6"
    & skf21("2","2","7","7","7","1","5","1") = "6"
    & skf21("2","2","7","7","7","1","6","1") = "6"
    & skf21("2","2","7","7","7","1","7","1") = "6"
    & skf21("2","2","7","7","7","2","1","1") = "6"
    & skf21("2","2","7","7","7","2","2","1") = "6"
    & skf21("2","2","7","7","7","2","3","1") = "6"
    & skf21("2","2","7","7","7","2","4","1") = "6"
    & skf21("2","2","7","7","7","2","5","1") = "6"
    & skf21("2","2","7","7","7","2","6","1") = "6"
    & skf21("2","2","7","7","7","2","7","1") = "6"
    & skf21("2","2","7","7","7","3","1","1") = "6"
    & skf21("2","2","7","7","7","3","2","1") = "6"
    & skf21("2","2","7","7","7","3","3","1") = "6"
    & skf21("2","2","7","7","7","3","4","1") = "6"
    & skf21("2","2","7","7","7","3","5","1") = "6"
    & skf21("2","2","7","7","7","3","6","1") = "6"
    & skf21("2","2","7","7","7","3","7","1") = "6"
    & skf21("2","2","7","7","7","4","1","1") = "6"
    & skf21("2","2","7","7","7","4","2","1") = "6"
    & skf21("2","2","7","7","7","4","3","1") = "6"
    & skf21("2","2","7","7","7","4","4","1") = "6"
    & skf21("2","2","7","7","7","4","5","1") = "6"
    & skf21("2","2","7","7","7","4","6","1") = "6"
    & skf21("2","2","7","7","7","4","7","1") = "6"
    & skf21("2","2","7","7","7","5","1","1") = "6"
    & skf21("2","2","7","7","7","5","2","1") = "6"
    & skf21("2","2","7","7","7","5","3","1") = "6"
    & skf21("2","2","7","7","7","5","4","1") = "6"
    & skf21("2","2","7","7","7","5","5","1") = "6"
    & skf21("2","2","7","7","7","5","6","1") = "6"
    & skf21("2","2","7","7","7","5","7","1") = "6"
    & skf21("2","2","7","7","7","6","1","1") = "6"
    & skf21("2","2","7","7","7","6","2","1") = "6"
    & skf21("2","2","7","7","7","6","3","1") = "6"
    & skf21("2","2","7","7","7","6","4","1") = "6"
    & skf21("2","2","7","7","7","6","5","1") = "6"
    & skf21("2","2","7","7","7","6","6","1") = "6"
    & skf21("2","2","7","7","7","6","7","1") = "6"
    & skf21("2","2","7","7","7","7","1","1") = "6"
    & skf21("2","2","7","7","7","7","2","1") = "6"
    & skf21("2","2","7","7","7","7","3","1") = "6"
    & skf21("2","2","7","7","7","7","4","1") = "6"
    & skf21("2","2","7","7","7","7","5","1") = "6"
    & skf21("2","2","7","7","7","7","6","1") = "6"
    & skf21("2","2","7","7","7","7","7","1") = "6"
    & skf21("2","3","1","1","1","1","1","1") = "2"
    & skf21("2","3","1","1","1","1","2","1") = "2"
    & skf21("2","3","1","1","1","1","3","1") = "2"
    & skf21("2","3","1","1","1","1","4","1") = "3"
    & skf21("2","3","1","1","1","1","5","1") = "4"
    & skf21("2","3","1","1","1","1","6","1") = "5"
    & skf21("2","3","1","1","1","1","7","1") = "6"
    & skf21("2","3","1","1","1","2","1","1") = "2"
    & skf21("2","3","1","1","1","2","2","1") = "2"
    & skf21("2","3","1","1","1","2","3","1") = "2"
    & skf21("2","3","1","1","1","2","4","1") = "3"
    & skf21("2","3","1","1","1","2","5","1") = "4"
    & skf21("2","3","1","1","1","2","6","1") = "5"
    & skf21("2","3","1","1","1","2","7","1") = "6"
    & skf21("2","3","1","1","1","3","1","1") = "2"
    & skf21("2","3","1","1","1","3","2","1") = "2"
    & skf21("2","3","1","1","1","3","3","1") = "2"
    & skf21("2","3","1","1","1","3","4","1") = "3"
    & skf21("2","3","1","1","1","3","5","1") = "4"
    & skf21("2","3","1","1","1","3","6","1") = "5"
    & skf21("2","3","1","1","1","3","7","1") = "6"
    & skf21("2","3","1","1","1","4","1","1") = "3"
    & skf21("2","3","1","1","1","4","2","1") = "3"
    & skf21("2","3","1","1","1","4","3","1") = "3"
    & skf21("2","3","1","1","1","4","4","1") = "3"
    & skf21("2","3","1","1","1","4","5","1") = "4"
    & skf21("2","3","1","1","1","4","6","1") = "5"
    & skf21("2","3","1","1","1","4","7","1") = "6"
    & skf21("2","3","1","1","1","5","1","1") = "4"
    & skf21("2","3","1","1","1","5","2","1") = "4"
    & skf21("2","3","1","1","1","5","3","1") = "4"
    & skf21("2","3","1","1","1","5","4","1") = "4"
    & skf21("2","3","1","1","1","5","5","1") = "4"
    & skf21("2","3","1","1","1","5","6","1") = "5"
    & skf21("2","3","1","1","1","5","7","1") = "6"
    & skf21("2","3","1","1","1","6","1","1") = "5"
    & skf21("2","3","1","1","1","6","2","1") = "5"
    & skf21("2","3","1","1","1","6","3","1") = "5"
    & skf21("2","3","1","1","1","6","4","1") = "5"
    & skf21("2","3","1","1","1","6","5","1") = "5"
    & skf21("2","3","1","1","1","6","6","1") = "5"
    & skf21("2","3","1","1","1","6","7","1") = "6"
    & skf21("2","3","1","1","1","7","1","1") = "6"
    & skf21("2","3","1","1","1","7","2","1") = "6"
    & skf21("2","3","1","1","1","7","3","1") = "6"
    & skf21("2","3","1","1","1","7","4","1") = "6"
    & skf21("2","3","1","1","1","7","5","1") = "6"
    & skf21("2","3","1","1","1","7","6","1") = "6"
    & skf21("2","3","1","1","1","7","7","1") = "6"
    & skf21("2","3","1","1","2","1","1","1") = "2"
    & skf21("2","3","1","1","2","1","2","1") = "2"
    & skf21("2","3","1","1","2","1","3","1") = "2"
    & skf21("2","3","1","1","2","1","4","1") = "3"
    & skf21("2","3","1","1","2","1","5","1") = "4"
    & skf21("2","3","1","1","2","1","6","1") = "5"
    & skf21("2","3","1","1","2","1","7","1") = "6"
    & skf21("2","3","1","1","2","2","1","1") = "2"
    & skf21("2","3","1","1","2","2","2","1") = "2"
    & skf21("2","3","1","1","2","2","3","1") = "2"
    & skf21("2","3","1","1","2","2","4","1") = "3"
    & skf21("2","3","1","1","2","2","5","1") = "4"
    & skf21("2","3","1","1","2","2","6","1") = "5"
    & skf21("2","3","1","1","2","2","7","1") = "6"
    & skf21("2","3","1","1","2","3","1","1") = "2"
    & skf21("2","3","1","1","2","3","2","1") = "2"
    & skf21("2","3","1","1","2","3","3","1") = "2"
    & skf21("2","3","1","1","2","3","4","1") = "3"
    & skf21("2","3","1","1","2","3","5","1") = "4"
    & skf21("2","3","1","1","2","3","6","1") = "5"
    & skf21("2","3","1","1","2","3","7","1") = "6"
    & skf21("2","3","1","1","2","4","1","1") = "3"
    & skf21("2","3","1","1","2","4","2","1") = "3"
    & skf21("2","3","1","1","2","4","3","1") = "3"
    & skf21("2","3","1","1","2","4","4","1") = "3"
    & skf21("2","3","1","1","2","4","5","1") = "4"
    & skf21("2","3","1","1","2","4","6","1") = "5"
    & skf21("2","3","1","1","2","4","7","1") = "6"
    & skf21("2","3","1","1","2","5","1","1") = "4"
    & skf21("2","3","1","1","2","5","2","1") = "4"
    & skf21("2","3","1","1","2","5","3","1") = "4"
    & skf21("2","3","1","1","2","5","4","1") = "4"
    & skf21("2","3","1","1","2","5","5","1") = "4"
    & skf21("2","3","1","1","2","5","6","1") = "5"
    & skf21("2","3","1","1","2","5","7","1") = "6"
    & skf21("2","3","1","1","2","6","1","1") = "5"
    & skf21("2","3","1","1","2","6","2","1") = "5"
    & skf21("2","3","1","1","2","6","3","1") = "5"
    & skf21("2","3","1","1","2","6","4","1") = "5"
    & skf21("2","3","1","1","2","6","5","1") = "5"
    & skf21("2","3","1","1","2","6","6","1") = "5"
    & skf21("2","3","1","1","2","6","7","1") = "6"
    & skf21("2","3","1","1","2","7","1","1") = "6"
    & skf21("2","3","1","1","2","7","2","1") = "6"
    & skf21("2","3","1","1","2","7","3","1") = "6"
    & skf21("2","3","1","1","2","7","4","1") = "6"
    & skf21("2","3","1","1","2","7","5","1") = "6"
    & skf21("2","3","1","1","2","7","6","1") = "6"
    & skf21("2","3","1","1","2","7","7","1") = "6"
    & skf21("2","3","1","1","3","1","1","1") = "2"
    & skf21("2","3","1","1","3","1","2","1") = "2"
    & skf21("2","3","1","1","3","1","3","1") = "2"
    & skf21("2","3","1","1","3","1","4","1") = "3"
    & skf21("2","3","1","1","3","1","5","1") = "4"
    & skf21("2","3","1","1","3","1","6","1") = "5"
    & skf21("2","3","1","1","3","1","7","1") = "6"
    & skf21("2","3","1","1","3","2","1","1") = "2"
    & skf21("2","3","1","1","3","2","2","1") = "2"
    & skf21("2","3","1","1","3","2","3","1") = "2"
    & skf21("2","3","1","1","3","2","4","1") = "3"
    & skf21("2","3","1","1","3","2","5","1") = "4"
    & skf21("2","3","1","1","3","2","6","1") = "5"
    & skf21("2","3","1","1","3","2","7","1") = "6"
    & skf21("2","3","1","1","3","3","1","1") = "2"
    & skf21("2","3","1","1","3","3","2","1") = "2"
    & skf21("2","3","1","1","3","3","3","1") = "2"
    & skf21("2","3","1","1","3","3","4","1") = "3"
    & skf21("2","3","1","1","3","3","5","1") = "4"
    & skf21("2","3","1","1","3","3","6","1") = "5"
    & skf21("2","3","1","1","3","3","7","1") = "6"
    & skf21("2","3","1","1","3","4","1","1") = "3"
    & skf21("2","3","1","1","3","4","2","1") = "3"
    & skf21("2","3","1","1","3","4","3","1") = "3"
    & skf21("2","3","1","1","3","4","4","1") = "3"
    & skf21("2","3","1","1","3","4","5","1") = "4"
    & skf21("2","3","1","1","3","4","6","1") = "5"
    & skf21("2","3","1","1","3","4","7","1") = "6"
    & skf21("2","3","1","1","3","5","1","1") = "4"
    & skf21("2","3","1","1","3","5","2","1") = "4"
    & skf21("2","3","1","1","3","5","3","1") = "4"
    & skf21("2","3","1","1","3","5","4","1") = "4"
    & skf21("2","3","1","1","3","5","5","1") = "4"
    & skf21("2","3","1","1","3","5","6","1") = "5"
    & skf21("2","3","1","1","3","5","7","1") = "6"
    & skf21("2","3","1","1","3","6","1","1") = "5"
    & skf21("2","3","1","1","3","6","2","1") = "5"
    & skf21("2","3","1","1","3","6","3","1") = "5"
    & skf21("2","3","1","1","3","6","4","1") = "5"
    & skf21("2","3","1","1","3","6","5","1") = "5"
    & skf21("2","3","1","1","3","6","6","1") = "5"
    & skf21("2","3","1","1","3","6","7","1") = "6"
    & skf21("2","3","1","1","3","7","1","1") = "6"
    & skf21("2","3","1","1","3","7","2","1") = "6"
    & skf21("2","3","1","1","3","7","3","1") = "6"
    & skf21("2","3","1","1","3","7","4","1") = "6"
    & skf21("2","3","1","1","3","7","5","1") = "6"
    & skf21("2","3","1","1","3","7","6","1") = "6"
    & skf21("2","3","1","1","3","7","7","1") = "6"
    & skf21("2","3","1","1","4","1","1","1") = "3"
    & skf21("2","3","1","1","4","1","2","1") = "3"
    & skf21("2","3","1","1","4","1","3","1") = "3"
    & skf21("2","3","1","1","4","1","4","1") = "3"
    & skf21("2","3","1","1","4","1","5","1") = "4"
    & skf21("2","3","1","1","4","1","6","1") = "5"
    & skf21("2","3","1","1","4","1","7","1") = "6"
    & skf21("2","3","1","1","4","2","1","1") = "3"
    & skf21("2","3","1","1","4","2","2","1") = "3"
    & skf21("2","3","1","1","4","2","3","1") = "3"
    & skf21("2","3","1","1","4","2","4","1") = "3"
    & skf21("2","3","1","1","4","2","5","1") = "4"
    & skf21("2","3","1","1","4","2","6","1") = "5"
    & skf21("2","3","1","1","4","2","7","1") = "6"
    & skf21("2","3","1","1","4","3","1","1") = "3"
    & skf21("2","3","1","1","4","3","2","1") = "3"
    & skf21("2","3","1","1","4","3","3","1") = "3"
    & skf21("2","3","1","1","4","3","4","1") = "3"
    & skf21("2","3","1","1","4","3","5","1") = "4"
    & skf21("2","3","1","1","4","3","6","1") = "5"
    & skf21("2","3","1","1","4","3","7","1") = "6"
    & skf21("2","3","1","1","4","4","1","1") = "3"
    & skf21("2","3","1","1","4","4","2","1") = "3"
    & skf21("2","3","1","1","4","4","3","1") = "3"
    & skf21("2","3","1","1","4","4","4","1") = "3"
    & skf21("2","3","1","1","4","4","5","1") = "4"
    & skf21("2","3","1","1","4","4","6","1") = "5"
    & skf21("2","3","1","1","4","4","7","1") = "6"
    & skf21("2","3","1","1","4","5","1","1") = "4"
    & skf21("2","3","1","1","4","5","2","1") = "4"
    & skf21("2","3","1","1","4","5","3","1") = "4"
    & skf21("2","3","1","1","4","5","4","1") = "4"
    & skf21("2","3","1","1","4","5","5","1") = "4"
    & skf21("2","3","1","1","4","5","6","1") = "5"
    & skf21("2","3","1","1","4","5","7","1") = "6"
    & skf21("2","3","1","1","4","6","1","1") = "5"
    & skf21("2","3","1","1","4","6","2","1") = "5"
    & skf21("2","3","1","1","4","6","3","1") = "5"
    & skf21("2","3","1","1","4","6","4","1") = "5"
    & skf21("2","3","1","1","4","6","5","1") = "5"
    & skf21("2","3","1","1","4","6","6","1") = "5"
    & skf21("2","3","1","1","4","6","7","1") = "6"
    & skf21("2","3","1","1","4","7","1","1") = "6"
    & skf21("2","3","1","1","4","7","2","1") = "6"
    & skf21("2","3","1","1","4","7","3","1") = "6"
    & skf21("2","3","1","1","4","7","4","1") = "6"
    & skf21("2","3","1","1","4","7","5","1") = "6"
    & skf21("2","3","1","1","4","7","6","1") = "6"
    & skf21("2","3","1","1","4","7","7","1") = "6"
    & skf21("2","3","1","1","5","1","1","1") = "4"
    & skf21("2","3","1","1","5","1","2","1") = "4"
    & skf21("2","3","1","1","5","1","3","1") = "4"
    & skf21("2","3","1","1","5","1","4","1") = "4"
    & skf21("2","3","1","1","5","1","5","1") = "4"
    & skf21("2","3","1","1","5","1","6","1") = "5"
    & skf21("2","3","1","1","5","1","7","1") = "6"
    & skf21("2","3","1","1","5","2","1","1") = "4"
    & skf21("2","3","1","1","5","2","2","1") = "4"
    & skf21("2","3","1","1","5","2","3","1") = "4"
    & skf21("2","3","1","1","5","2","4","1") = "4"
    & skf21("2","3","1","1","5","2","5","1") = "4"
    & skf21("2","3","1","1","5","2","6","1") = "5"
    & skf21("2","3","1","1","5","2","7","1") = "6"
    & skf21("2","3","1","1","5","3","1","1") = "4"
    & skf21("2","3","1","1","5","3","2","1") = "4"
    & skf21("2","3","1","1","5","3","3","1") = "4"
    & skf21("2","3","1","1","5","3","4","1") = "4"
    & skf21("2","3","1","1","5","3","5","1") = "4"
    & skf21("2","3","1","1","5","3","6","1") = "5"
    & skf21("2","3","1","1","5","3","7","1") = "6"
    & skf21("2","3","1","1","5","4","1","1") = "4"
    & skf21("2","3","1","1","5","4","2","1") = "4"
    & skf21("2","3","1","1","5","4","3","1") = "4"
    & skf21("2","3","1","1","5","4","4","1") = "4"
    & skf21("2","3","1","1","5","4","5","1") = "4"
    & skf21("2","3","1","1","5","4","6","1") = "5"
    & skf21("2","3","1","1","5","4","7","1") = "6"
    & skf21("2","3","1","1","5","5","1","1") = "4"
    & skf21("2","3","1","1","5","5","2","1") = "4"
    & skf21("2","3","1","1","5","5","3","1") = "4"
    & skf21("2","3","1","1","5","5","4","1") = "4"
    & skf21("2","3","1","1","5","5","5","1") = "4"
    & skf21("2","3","1","1","5","5","6","1") = "5"
    & skf21("2","3","1","1","5","5","7","1") = "6"
    & skf21("2","3","1","1","5","6","1","1") = "5"
    & skf21("2","3","1","1","5","6","2","1") = "5"
    & skf21("2","3","1","1","5","6","3","1") = "5"
    & skf21("2","3","1","1","5","6","4","1") = "5"
    & skf21("2","3","1","1","5","6","5","1") = "5"
    & skf21("2","3","1","1","5","6","6","1") = "5"
    & skf21("2","3","1","1","5","6","7","1") = "6"
    & skf21("2","3","1","1","5","7","1","1") = "6"
    & skf21("2","3","1","1","5","7","2","1") = "6"
    & skf21("2","3","1","1","5","7","3","1") = "6"
    & skf21("2","3","1","1","5","7","4","1") = "6"
    & skf21("2","3","1","1","5","7","5","1") = "6"
    & skf21("2","3","1","1","5","7","6","1") = "6"
    & skf21("2","3","1","1","5","7","7","1") = "6"
    & skf21("2","3","1","1","6","1","1","1") = "5"
    & skf21("2","3","1","1","6","1","2","1") = "5"
    & skf21("2","3","1","1","6","1","3","1") = "5"
    & skf21("2","3","1","1","6","1","4","1") = "5"
    & skf21("2","3","1","1","6","1","5","1") = "5"
    & skf21("2","3","1","1","6","1","6","1") = "5"
    & skf21("2","3","1","1","6","1","7","1") = "6"
    & skf21("2","3","1","1","6","2","1","1") = "5"
    & skf21("2","3","1","1","6","2","2","1") = "5"
    & skf21("2","3","1","1","6","2","3","1") = "5"
    & skf21("2","3","1","1","6","2","4","1") = "5"
    & skf21("2","3","1","1","6","2","5","1") = "5"
    & skf21("2","3","1","1","6","2","6","1") = "5"
    & skf21("2","3","1","1","6","2","7","1") = "6"
    & skf21("2","3","1","1","6","3","1","1") = "5"
    & skf21("2","3","1","1","6","3","2","1") = "5"
    & skf21("2","3","1","1","6","3","3","1") = "5"
    & skf21("2","3","1","1","6","3","4","1") = "5"
    & skf21("2","3","1","1","6","3","5","1") = "5"
    & skf21("2","3","1","1","6","3","6","1") = "5"
    & skf21("2","3","1","1","6","3","7","1") = "6"
    & skf21("2","3","1","1","6","4","1","1") = "5"
    & skf21("2","3","1","1","6","4","2","1") = "5"
    & skf21("2","3","1","1","6","4","3","1") = "5"
    & skf21("2","3","1","1","6","4","4","1") = "5"
    & skf21("2","3","1","1","6","4","5","1") = "5"
    & skf21("2","3","1","1","6","4","6","1") = "5"
    & skf21("2","3","1","1","6","4","7","1") = "6"
    & skf21("2","3","1","1","6","5","1","1") = "5"
    & skf21("2","3","1","1","6","5","2","1") = "5"
    & skf21("2","3","1","1","6","5","3","1") = "5"
    & skf21("2","3","1","1","6","5","4","1") = "5"
    & skf21("2","3","1","1","6","5","5","1") = "5"
    & skf21("2","3","1","1","6","5","6","1") = "5"
    & skf21("2","3","1","1","6","5","7","1") = "6"
    & skf21("2","3","1","1","6","6","1","1") = "5"
    & skf21("2","3","1","1","6","6","2","1") = "5"
    & skf21("2","3","1","1","6","6","3","1") = "5"
    & skf21("2","3","1","1","6","6","4","1") = "5"
    & skf21("2","3","1","1","6","6","5","1") = "5"
    & skf21("2","3","1","1","6","6","6","1") = "5"
    & skf21("2","3","1","1","6","6","7","1") = "6"
    & skf21("2","3","1","1","6","7","1","1") = "6"
    & skf21("2","3","1","1","6","7","2","1") = "6"
    & skf21("2","3","1","1","6","7","3","1") = "6"
    & skf21("2","3","1","1","6","7","4","1") = "6"
    & skf21("2","3","1","1","6","7","5","1") = "6"
    & skf21("2","3","1","1","6","7","6","1") = "6"
    & skf21("2","3","1","1","6","7","7","1") = "6"
    & skf21("2","3","1","1","7","1","1","1") = "6"
    & skf21("2","3","1","1","7","1","2","1") = "6"
    & skf21("2","3","1","1","7","1","3","1") = "6"
    & skf21("2","3","1","1","7","1","4","1") = "6"
    & skf21("2","3","1","1","7","1","5","1") = "6"
    & skf21("2","3","1","1","7","1","6","1") = "6"
    & skf21("2","3","1","1","7","1","7","1") = "6"
    & skf21("2","3","1","1","7","2","1","1") = "6"
    & skf21("2","3","1","1","7","2","2","1") = "6"
    & skf21("2","3","1","1","7","2","3","1") = "6"
    & skf21("2","3","1","1","7","2","4","1") = "6"
    & skf21("2","3","1","1","7","2","5","1") = "6"
    & skf21("2","3","1","1","7","2","6","1") = "6"
    & skf21("2","3","1","1","7","2","7","1") = "6"
    & skf21("2","3","1","1","7","3","1","1") = "6"
    & skf21("2","3","1","1","7","3","2","1") = "6"
    & skf21("2","3","1","1","7","3","3","1") = "6"
    & skf21("2","3","1","1","7","3","4","1") = "6"
    & skf21("2","3","1","1","7","3","5","1") = "6"
    & skf21("2","3","1","1","7","3","6","1") = "6"
    & skf21("2","3","1","1","7","3","7","1") = "6"
    & skf21("2","3","1","1","7","4","1","1") = "6"
    & skf21("2","3","1","1","7","4","2","1") = "6"
    & skf21("2","3","1","1","7","4","3","1") = "6"
    & skf21("2","3","1","1","7","4","4","1") = "6"
    & skf21("2","3","1","1","7","4","5","1") = "6"
    & skf21("2","3","1","1","7","4","6","1") = "6"
    & skf21("2","3","1","1","7","4","7","1") = "6"
    & skf21("2","3","1","1","7","5","1","1") = "6"
    & skf21("2","3","1","1","7","5","2","1") = "6"
    & skf21("2","3","1","1","7","5","3","1") = "6"
    & skf21("2","3","1","1","7","5","4","1") = "6"
    & skf21("2","3","1","1","7","5","5","1") = "6"
    & skf21("2","3","1","1","7","5","6","1") = "6"
    & skf21("2","3","1","1","7","5","7","1") = "6"
    & skf21("2","3","1","1","7","6","1","1") = "6"
    & skf21("2","3","1","1","7","6","2","1") = "6"
    & skf21("2","3","1","1","7","6","3","1") = "6"
    & skf21("2","3","1","1","7","6","4","1") = "6"
    & skf21("2","3","1","1","7","6","5","1") = "6"
    & skf21("2","3","1","1","7","6","6","1") = "6"
    & skf21("2","3","1","1","7","6","7","1") = "6"
    & skf21("2","3","1","1","7","7","1","1") = "6"
    & skf21("2","3","1","1","7","7","2","1") = "6"
    & skf21("2","3","1","1","7","7","3","1") = "6"
    & skf21("2","3","1","1","7","7","4","1") = "6"
    & skf21("2","3","1","1","7","7","5","1") = "6"
    & skf21("2","3","1","1","7","7","6","1") = "6"
    & skf21("2","3","1","1","7","7","7","1") = "6"
    & skf21("2","3","1","2","1","1","1","1") = "2"
    & skf21("2","3","1","2","1","1","2","1") = "2"
    & skf21("2","3","1","2","1","1","3","1") = "2"
    & skf21("2","3","1","2","1","1","4","1") = "3"
    & skf21("2","3","1","2","1","1","5","1") = "4"
    & skf21("2","3","1","2","1","1","6","1") = "5"
    & skf21("2","3","1","2","1","1","7","1") = "6"
    & skf21("2","3","1","2","1","2","1","1") = "2"
    & skf21("2","3","1","2","1","2","2","1") = "2"
    & skf21("2","3","1","2","1","2","3","1") = "2"
    & skf21("2","3","1","2","1","2","4","1") = "3"
    & skf21("2","3","1","2","1","2","5","1") = "4"
    & skf21("2","3","1","2","1","2","6","1") = "5"
    & skf21("2","3","1","2","1","2","7","1") = "6"
    & skf21("2","3","1","2","1","3","1","1") = "2"
    & skf21("2","3","1","2","1","3","2","1") = "2"
    & skf21("2","3","1","2","1","3","3","1") = "2"
    & skf21("2","3","1","2","1","3","4","1") = "3"
    & skf21("2","3","1","2","1","3","5","1") = "4"
    & skf21("2","3","1","2","1","3","6","1") = "5"
    & skf21("2","3","1","2","1","3","7","1") = "6"
    & skf21("2","3","1","2","1","4","1","1") = "3"
    & skf21("2","3","1","2","1","4","2","1") = "3"
    & skf21("2","3","1","2","1","4","3","1") = "3"
    & skf21("2","3","1","2","1","4","4","1") = "3"
    & skf21("2","3","1","2","1","4","5","1") = "4"
    & skf21("2","3","1","2","1","4","6","1") = "5"
    & skf21("2","3","1","2","1","4","7","1") = "6"
    & skf21("2","3","1","2","1","5","1","1") = "4"
    & skf21("2","3","1","2","1","5","2","1") = "4"
    & skf21("2","3","1","2","1","5","3","1") = "4"
    & skf21("2","3","1","2","1","5","4","1") = "4"
    & skf21("2","3","1","2","1","5","5","1") = "4"
    & skf21("2","3","1","2","1","5","6","1") = "5"
    & skf21("2","3","1","2","1","5","7","1") = "6"
    & skf21("2","3","1","2","1","6","1","1") = "5"
    & skf21("2","3","1","2","1","6","2","1") = "5"
    & skf21("2","3","1","2","1","6","3","1") = "5"
    & skf21("2","3","1","2","1","6","4","1") = "5"
    & skf21("2","3","1","2","1","6","5","1") = "5"
    & skf21("2","3","1","2","1","6","6","1") = "5"
    & skf21("2","3","1","2","1","6","7","1") = "6"
    & skf21("2","3","1","2","1","7","1","1") = "6"
    & skf21("2","3","1","2","1","7","2","1") = "6"
    & skf21("2","3","1","2","1","7","3","1") = "6"
    & skf21("2","3","1","2","1","7","4","1") = "6"
    & skf21("2","3","1","2","1","7","5","1") = "6"
    & skf21("2","3","1","2","1","7","6","1") = "6"
    & skf21("2","3","1","2","1","7","7","1") = "6"
    & skf21("2","3","1","2","2","1","1","1") = "2"
    & skf21("2","3","1","2","2","1","2","1") = "2"
    & skf21("2","3","1","2","2","1","3","1") = "2"
    & skf21("2","3","1","2","2","1","4","1") = "3"
    & skf21("2","3","1","2","2","1","5","1") = "4"
    & skf21("2","3","1","2","2","1","6","1") = "5"
    & skf21("2","3","1","2","2","1","7","1") = "6"
    & skf21("2","3","1","2","2","2","1","1") = "2"
    & skf21("2","3","1","2","2","2","2","1") = "2"
    & skf21("2","3","1","2","2","2","3","1") = "2"
    & skf21("2","3","1","2","2","2","4","1") = "3"
    & skf21("2","3","1","2","2","2","5","1") = "4"
    & skf21("2","3","1","2","2","2","6","1") = "5"
    & skf21("2","3","1","2","2","2","7","1") = "6"
    & skf21("2","3","1","2","2","3","1","1") = "2"
    & skf21("2","3","1","2","2","3","2","1") = "2"
    & skf21("2","3","1","2","2","3","3","1") = "2"
    & skf21("2","3","1","2","2","3","4","1") = "3"
    & skf21("2","3","1","2","2","3","5","1") = "4"
    & skf21("2","3","1","2","2","3","6","1") = "5"
    & skf21("2","3","1","2","2","3","7","1") = "6"
    & skf21("2","3","1","2","2","4","1","1") = "3"
    & skf21("2","3","1","2","2","4","2","1") = "3"
    & skf21("2","3","1","2","2","4","3","1") = "3"
    & skf21("2","3","1","2","2","4","4","1") = "3"
    & skf21("2","3","1","2","2","4","5","1") = "4"
    & skf21("2","3","1","2","2","4","6","1") = "5"
    & skf21("2","3","1","2","2","4","7","1") = "6"
    & skf21("2","3","1","2","2","5","1","1") = "4"
    & skf21("2","3","1","2","2","5","2","1") = "4"
    & skf21("2","3","1","2","2","5","3","1") = "4"
    & skf21("2","3","1","2","2","5","4","1") = "4"
    & skf21("2","3","1","2","2","5","5","1") = "4"
    & skf21("2","3","1","2","2","5","6","1") = "5"
    & skf21("2","3","1","2","2","5","7","1") = "6"
    & skf21("2","3","1","2","2","6","1","1") = "5"
    & skf21("2","3","1","2","2","6","2","1") = "5"
    & skf21("2","3","1","2","2","6","3","1") = "5"
    & skf21("2","3","1","2","2","6","4","1") = "5"
    & skf21("2","3","1","2","2","6","5","1") = "5"
    & skf21("2","3","1","2","2","6","6","1") = "5"
    & skf21("2","3","1","2","2","6","7","1") = "6"
    & skf21("2","3","1","2","2","7","1","1") = "6"
    & skf21("2","3","1","2","2","7","2","1") = "6"
    & skf21("2","3","1","2","2","7","3","1") = "6"
    & skf21("2","3","1","2","2","7","4","1") = "6"
    & skf21("2","3","1","2","2","7","5","1") = "6"
    & skf21("2","3","1","2","2","7","6","1") = "6"
    & skf21("2","3","1","2","2","7","7","1") = "6"
    & skf21("2","3","1","2","3","1","1","1") = "2"
    & skf21("2","3","1","2","3","1","2","1") = "2"
    & skf21("2","3","1","2","3","1","3","1") = "2"
    & skf21("2","3","1","2","3","1","4","1") = "3"
    & skf21("2","3","1","2","3","1","5","1") = "4"
    & skf21("2","3","1","2","3","1","6","1") = "5"
    & skf21("2","3","1","2","3","1","7","1") = "6"
    & skf21("2","3","1","2","3","2","1","1") = "2"
    & skf21("2","3","1","2","3","2","2","1") = "2"
    & skf21("2","3","1","2","3","2","3","1") = "2"
    & skf21("2","3","1","2","3","2","4","1") = "3"
    & skf21("2","3","1","2","3","2","5","1") = "4"
    & skf21("2","3","1","2","3","2","6","1") = "5"
    & skf21("2","3","1","2","3","2","7","1") = "6"
    & skf21("2","3","1","2","3","3","1","1") = "2"
    & skf21("2","3","1","2","3","3","2","1") = "2"
    & skf21("2","3","1","2","3","3","3","1") = "2"
    & skf21("2","3","1","2","3","3","4","1") = "3"
    & skf21("2","3","1","2","3","3","5","1") = "4"
    & skf21("2","3","1","2","3","3","6","1") = "5"
    & skf21("2","3","1","2","3","3","7","1") = "6"
    & skf21("2","3","1","2","3","4","1","1") = "3"
    & skf21("2","3","1","2","3","4","2","1") = "3"
    & skf21("2","3","1","2","3","4","3","1") = "3"
    & skf21("2","3","1","2","3","4","4","1") = "3"
    & skf21("2","3","1","2","3","4","5","1") = "4"
    & skf21("2","3","1","2","3","4","6","1") = "5"
    & skf21("2","3","1","2","3","4","7","1") = "6"
    & skf21("2","3","1","2","3","5","1","1") = "4"
    & skf21("2","3","1","2","3","5","2","1") = "4"
    & skf21("2","3","1","2","3","5","3","1") = "4"
    & skf21("2","3","1","2","3","5","4","1") = "4"
    & skf21("2","3","1","2","3","5","5","1") = "4"
    & skf21("2","3","1","2","3","5","6","1") = "5"
    & skf21("2","3","1","2","3","5","7","1") = "6"
    & skf21("2","3","1","2","3","6","1","1") = "5"
    & skf21("2","3","1","2","3","6","2","1") = "5"
    & skf21("2","3","1","2","3","6","3","1") = "5"
    & skf21("2","3","1","2","3","6","4","1") = "5"
    & skf21("2","3","1","2","3","6","5","1") = "5"
    & skf21("2","3","1","2","3","6","6","1") = "5"
    & skf21("2","3","1","2","3","6","7","1") = "6"
    & skf21("2","3","1","2","3","7","1","1") = "6"
    & skf21("2","3","1","2","3","7","2","1") = "6"
    & skf21("2","3","1","2","3","7","3","1") = "6"
    & skf21("2","3","1","2","3","7","4","1") = "6"
    & skf21("2","3","1","2","3","7","5","1") = "6"
    & skf21("2","3","1","2","3","7","6","1") = "6"
    & skf21("2","3","1","2","3","7","7","1") = "6"
    & skf21("2","3","1","2","4","1","1","1") = "3"
    & skf21("2","3","1","2","4","1","2","1") = "3"
    & skf21("2","3","1","2","4","1","3","1") = "3"
    & skf21("2","3","1","2","4","1","4","1") = "3"
    & skf21("2","3","1","2","4","1","5","1") = "4"
    & skf21("2","3","1","2","4","1","6","1") = "5"
    & skf21("2","3","1","2","4","1","7","1") = "6"
    & skf21("2","3","1","2","4","2","1","1") = "3"
    & skf21("2","3","1","2","4","2","2","1") = "3"
    & skf21("2","3","1","2","4","2","3","1") = "3"
    & skf21("2","3","1","2","4","2","4","1") = "3"
    & skf21("2","3","1","2","4","2","5","1") = "4"
    & skf21("2","3","1","2","4","2","6","1") = "5"
    & skf21("2","3","1","2","4","2","7","1") = "6"
    & skf21("2","3","1","2","4","3","1","1") = "3"
    & skf21("2","3","1","2","4","3","2","1") = "3"
    & skf21("2","3","1","2","4","3","3","1") = "3"
    & skf21("2","3","1","2","4","3","4","1") = "3"
    & skf21("2","3","1","2","4","3","5","1") = "4"
    & skf21("2","3","1","2","4","3","6","1") = "5"
    & skf21("2","3","1","2","4","3","7","1") = "6"
    & skf21("2","3","1","2","4","4","1","1") = "3"
    & skf21("2","3","1","2","4","4","2","1") = "3"
    & skf21("2","3","1","2","4","4","3","1") = "3"
    & skf21("2","3","1","2","4","4","4","1") = "3"
    & skf21("2","3","1","2","4","4","5","1") = "4"
    & skf21("2","3","1","2","4","4","6","1") = "5"
    & skf21("2","3","1","2","4","4","7","1") = "6"
    & skf21("2","3","1","2","4","5","1","1") = "4"
    & skf21("2","3","1","2","4","5","2","1") = "4"
    & skf21("2","3","1","2","4","5","3","1") = "4"
    & skf21("2","3","1","2","4","5","4","1") = "4"
    & skf21("2","3","1","2","4","5","5","1") = "4"
    & skf21("2","3","1","2","4","5","6","1") = "5"
    & skf21("2","3","1","2","4","5","7","1") = "6"
    & skf21("2","3","1","2","4","6","1","1") = "5"
    & skf21("2","3","1","2","4","6","2","1") = "5"
    & skf21("2","3","1","2","4","6","3","1") = "5"
    & skf21("2","3","1","2","4","6","4","1") = "5"
    & skf21("2","3","1","2","4","6","5","1") = "5"
    & skf21("2","3","1","2","4","6","6","1") = "5"
    & skf21("2","3","1","2","4","6","7","1") = "6"
    & skf21("2","3","1","2","4","7","1","1") = "6"
    & skf21("2","3","1","2","4","7","2","1") = "6"
    & skf21("2","3","1","2","4","7","3","1") = "6"
    & skf21("2","3","1","2","4","7","4","1") = "6"
    & skf21("2","3","1","2","4","7","5","1") = "6"
    & skf21("2","3","1","2","4","7","6","1") = "6"
    & skf21("2","3","1","2","4","7","7","1") = "6"
    & skf21("2","3","1","2","5","1","1","1") = "4"
    & skf21("2","3","1","2","5","1","2","1") = "4"
    & skf21("2","3","1","2","5","1","3","1") = "4"
    & skf21("2","3","1","2","5","1","4","1") = "4"
    & skf21("2","3","1","2","5","1","5","1") = "4"
    & skf21("2","3","1","2","5","1","6","1") = "5"
    & skf21("2","3","1","2","5","1","7","1") = "6"
    & skf21("2","3","1","2","5","2","1","1") = "4"
    & skf21("2","3","1","2","5","2","2","1") = "4"
    & skf21("2","3","1","2","5","2","3","1") = "4"
    & skf21("2","3","1","2","5","2","4","1") = "4"
    & skf21("2","3","1","2","5","2","5","1") = "4"
    & skf21("2","3","1","2","5","2","6","1") = "5"
    & skf21("2","3","1","2","5","2","7","1") = "6"
    & skf21("2","3","1","2","5","3","1","1") = "4"
    & skf21("2","3","1","2","5","3","2","1") = "4"
    & skf21("2","3","1","2","5","3","3","1") = "4"
    & skf21("2","3","1","2","5","3","4","1") = "4"
    & skf21("2","3","1","2","5","3","5","1") = "4"
    & skf21("2","3","1","2","5","3","6","1") = "5"
    & skf21("2","3","1","2","5","3","7","1") = "6"
    & skf21("2","3","1","2","5","4","1","1") = "4"
    & skf21("2","3","1","2","5","4","2","1") = "4"
    & skf21("2","3","1","2","5","4","3","1") = "4"
    & skf21("2","3","1","2","5","4","4","1") = "4"
    & skf21("2","3","1","2","5","4","5","1") = "4"
    & skf21("2","3","1","2","5","4","6","1") = "5"
    & skf21("2","3","1","2","5","4","7","1") = "6"
    & skf21("2","3","1","2","5","5","1","1") = "4"
    & skf21("2","3","1","2","5","5","2","1") = "4"
    & skf21("2","3","1","2","5","5","3","1") = "4"
    & skf21("2","3","1","2","5","5","4","1") = "4"
    & skf21("2","3","1","2","5","5","5","1") = "4"
    & skf21("2","3","1","2","5","5","6","1") = "5"
    & skf21("2","3","1","2","5","5","7","1") = "6"
    & skf21("2","3","1","2","5","6","1","1") = "5"
    & skf21("2","3","1","2","5","6","2","1") = "5"
    & skf21("2","3","1","2","5","6","3","1") = "5"
    & skf21("2","3","1","2","5","6","4","1") = "5"
    & skf21("2","3","1","2","5","6","5","1") = "5"
    & skf21("2","3","1","2","5","6","6","1") = "5"
    & skf21("2","3","1","2","5","6","7","1") = "6"
    & skf21("2","3","1","2","5","7","1","1") = "6"
    & skf21("2","3","1","2","5","7","2","1") = "6"
    & skf21("2","3","1","2","5","7","3","1") = "6"
    & skf21("2","3","1","2","5","7","4","1") = "6"
    & skf21("2","3","1","2","5","7","5","1") = "6"
    & skf21("2","3","1","2","5","7","6","1") = "6"
    & skf21("2","3","1","2","5","7","7","1") = "6"
    & skf21("2","3","1","2","6","1","1","1") = "5"
    & skf21("2","3","1","2","6","1","2","1") = "5"
    & skf21("2","3","1","2","6","1","3","1") = "5"
    & skf21("2","3","1","2","6","1","4","1") = "5"
    & skf21("2","3","1","2","6","1","5","1") = "5"
    & skf21("2","3","1","2","6","1","6","1") = "5"
    & skf21("2","3","1","2","6","1","7","1") = "6"
    & skf21("2","3","1","2","6","2","1","1") = "5"
    & skf21("2","3","1","2","6","2","2","1") = "5"
    & skf21("2","3","1","2","6","2","3","1") = "5"
    & skf21("2","3","1","2","6","2","4","1") = "5"
    & skf21("2","3","1","2","6","2","5","1") = "5"
    & skf21("2","3","1","2","6","2","6","1") = "5"
    & skf21("2","3","1","2","6","2","7","1") = "6"
    & skf21("2","3","1","2","6","3","1","1") = "5"
    & skf21("2","3","1","2","6","3","2","1") = "5"
    & skf21("2","3","1","2","6","3","3","1") = "5"
    & skf21("2","3","1","2","6","3","4","1") = "5"
    & skf21("2","3","1","2","6","3","5","1") = "5"
    & skf21("2","3","1","2","6","3","6","1") = "5"
    & skf21("2","3","1","2","6","3","7","1") = "6"
    & skf21("2","3","1","2","6","4","1","1") = "5"
    & skf21("2","3","1","2","6","4","2","1") = "5"
    & skf21("2","3","1","2","6","4","3","1") = "5"
    & skf21("2","3","1","2","6","4","4","1") = "5"
    & skf21("2","3","1","2","6","4","5","1") = "5"
    & skf21("2","3","1","2","6","4","6","1") = "5"
    & skf21("2","3","1","2","6","4","7","1") = "6"
    & skf21("2","3","1","2","6","5","1","1") = "5"
    & skf21("2","3","1","2","6","5","2","1") = "5"
    & skf21("2","3","1","2","6","5","3","1") = "5"
    & skf21("2","3","1","2","6","5","4","1") = "5"
    & skf21("2","3","1","2","6","5","5","1") = "5"
    & skf21("2","3","1","2","6","5","6","1") = "5"
    & skf21("2","3","1","2","6","5","7","1") = "6"
    & skf21("2","3","1","2","6","6","1","1") = "5"
    & skf21("2","3","1","2","6","6","2","1") = "5"
    & skf21("2","3","1","2","6","6","3","1") = "5"
    & skf21("2","3","1","2","6","6","4","1") = "5"
    & skf21("2","3","1","2","6","6","5","1") = "5"
    & skf21("2","3","1","2","6","6","6","1") = "5"
    & skf21("2","3","1","2","6","6","7","1") = "6"
    & skf21("2","3","1","2","6","7","1","1") = "6"
    & skf21("2","3","1","2","6","7","2","1") = "6"
    & skf21("2","3","1","2","6","7","3","1") = "6"
    & skf21("2","3","1","2","6","7","4","1") = "6"
    & skf21("2","3","1","2","6","7","5","1") = "6"
    & skf21("2","3","1","2","6","7","6","1") = "6"
    & skf21("2","3","1","2","6","7","7","1") = "6"
    & skf21("2","3","1","2","7","1","1","1") = "6"
    & skf21("2","3","1","2","7","1","2","1") = "6"
    & skf21("2","3","1","2","7","1","3","1") = "6"
    & skf21("2","3","1","2","7","1","4","1") = "6"
    & skf21("2","3","1","2","7","1","5","1") = "6"
    & skf21("2","3","1","2","7","1","6","1") = "6"
    & skf21("2","3","1","2","7","1","7","1") = "6"
    & skf21("2","3","1","2","7","2","1","1") = "6"
    & skf21("2","3","1","2","7","2","2","1") = "6"
    & skf21("2","3","1","2","7","2","3","1") = "6"
    & skf21("2","3","1","2","7","2","4","1") = "6"
    & skf21("2","3","1","2","7","2","5","1") = "6"
    & skf21("2","3","1","2","7","2","6","1") = "6"
    & skf21("2","3","1","2","7","2","7","1") = "6"
    & skf21("2","3","1","2","7","3","1","1") = "6"
    & skf21("2","3","1","2","7","3","2","1") = "6"
    & skf21("2","3","1","2","7","3","3","1") = "6"
    & skf21("2","3","1","2","7","3","4","1") = "6"
    & skf21("2","3","1","2","7","3","5","1") = "6"
    & skf21("2","3","1","2","7","3","6","1") = "6"
    & skf21("2","3","1","2","7","3","7","1") = "6"
    & skf21("2","3","1","2","7","4","1","1") = "6"
    & skf21("2","3","1","2","7","4","2","1") = "6"
    & skf21("2","3","1","2","7","4","3","1") = "6"
    & skf21("2","3","1","2","7","4","4","1") = "6"
    & skf21("2","3","1","2","7","4","5","1") = "6"
    & skf21("2","3","1","2","7","4","6","1") = "6"
    & skf21("2","3","1","2","7","4","7","1") = "6"
    & skf21("2","3","1","2","7","5","1","1") = "6"
    & skf21("2","3","1","2","7","5","2","1") = "6"
    & skf21("2","3","1","2","7","5","3","1") = "6"
    & skf21("2","3","1","2","7","5","4","1") = "6"
    & skf21("2","3","1","2","7","5","5","1") = "6"
    & skf21("2","3","1","2","7","5","6","1") = "6"
    & skf21("2","3","1","2","7","5","7","1") = "6"
    & skf21("2","3","1","2","7","6","1","1") = "6"
    & skf21("2","3","1","2","7","6","2","1") = "6"
    & skf21("2","3","1","2","7","6","3","1") = "6"
    & skf21("2","3","1","2","7","6","4","1") = "6"
    & skf21("2","3","1","2","7","6","5","1") = "6"
    & skf21("2","3","1","2","7","6","6","1") = "6"
    & skf21("2","3","1","2","7","6","7","1") = "6"
    & skf21("2","3","1","2","7","7","1","1") = "6"
    & skf21("2","3","1","2","7","7","2","1") = "6"
    & skf21("2","3","1","2","7","7","3","1") = "6"
    & skf21("2","3","1","2","7","7","4","1") = "6"
    & skf21("2","3","1","2","7","7","5","1") = "6"
    & skf21("2","3","1","2","7","7","6","1") = "6"
    & skf21("2","3","1","2","7","7","7","1") = "6"
    & skf21("2","3","1","3","1","1","1","1") = "2"
    & skf21("2","3","1","3","1","1","2","1") = "2"
    & skf21("2","3","1","3","1","1","3","1") = "2"
    & skf21("2","3","1","3","1","1","4","1") = "3"
    & skf21("2","3","1","3","1","1","5","1") = "4"
    & skf21("2","3","1","3","1","1","6","1") = "5"
    & skf21("2","3","1","3","1","1","7","1") = "6"
    & skf21("2","3","1","3","1","2","1","1") = "2"
    & skf21("2","3","1","3","1","2","2","1") = "2"
    & skf21("2","3","1","3","1","2","3","1") = "2"
    & skf21("2","3","1","3","1","2","4","1") = "3"
    & skf21("2","3","1","3","1","2","5","1") = "4"
    & skf21("2","3","1","3","1","2","6","1") = "5"
    & skf21("2","3","1","3","1","2","7","1") = "6"
    & skf21("2","3","1","3","1","3","1","1") = "2"
    & skf21("2","3","1","3","1","3","2","1") = "2"
    & skf21("2","3","1","3","1","3","3","1") = "2"
    & skf21("2","3","1","3","1","3","4","1") = "3"
    & skf21("2","3","1","3","1","3","5","1") = "4"
    & skf21("2","3","1","3","1","3","6","1") = "5"
    & skf21("2","3","1","3","1","3","7","1") = "6"
    & skf21("2","3","1","3","1","4","1","1") = "3"
    & skf21("2","3","1","3","1","4","2","1") = "3"
    & skf21("2","3","1","3","1","4","3","1") = "3"
    & skf21("2","3","1","3","1","4","4","1") = "3"
    & skf21("2","3","1","3","1","4","5","1") = "4"
    & skf21("2","3","1","3","1","4","6","1") = "5"
    & skf21("2","3","1","3","1","4","7","1") = "6"
    & skf21("2","3","1","3","1","5","1","1") = "4"
    & skf21("2","3","1","3","1","5","2","1") = "4"
    & skf21("2","3","1","3","1","5","3","1") = "4"
    & skf21("2","3","1","3","1","5","4","1") = "4"
    & skf21("2","3","1","3","1","5","5","1") = "4"
    & skf21("2","3","1","3","1","5","6","1") = "5"
    & skf21("2","3","1","3","1","5","7","1") = "6"
    & skf21("2","3","1","3","1","6","1","1") = "5"
    & skf21("2","3","1","3","1","6","2","1") = "5"
    & skf21("2","3","1","3","1","6","3","1") = "5"
    & skf21("2","3","1","3","1","6","4","1") = "5"
    & skf21("2","3","1","3","1","6","5","1") = "5"
    & skf21("2","3","1","3","1","6","6","1") = "5"
    & skf21("2","3","1","3","1","6","7","1") = "6"
    & skf21("2","3","1","3","1","7","1","1") = "6"
    & skf21("2","3","1","3","1","7","2","1") = "6"
    & skf21("2","3","1","3","1","7","3","1") = "6"
    & skf21("2","3","1","3","1","7","4","1") = "6"
    & skf21("2","3","1","3","1","7","5","1") = "6"
    & skf21("2","3","1","3","1","7","6","1") = "6"
    & skf21("2","3","1","3","1","7","7","1") = "6"
    & skf21("2","3","1","3","2","1","1","1") = "2"
    & skf21("2","3","1","3","2","1","2","1") = "2"
    & skf21("2","3","1","3","2","1","3","1") = "2"
    & skf21("2","3","1","3","2","1","4","1") = "3"
    & skf21("2","3","1","3","2","1","5","1") = "4"
    & skf21("2","3","1","3","2","1","6","1") = "5"
    & skf21("2","3","1","3","2","1","7","1") = "6"
    & skf21("2","3","1","3","2","2","1","1") = "2"
    & skf21("2","3","1","3","2","2","2","1") = "2"
    & skf21("2","3","1","3","2","2","3","1") = "2"
    & skf21("2","3","1","3","2","2","4","1") = "3"
    & skf21("2","3","1","3","2","2","5","1") = "4"
    & skf21("2","3","1","3","2","2","6","1") = "5"
    & skf21("2","3","1","3","2","2","7","1") = "6"
    & skf21("2","3","1","3","2","3","1","1") = "2"
    & skf21("2","3","1","3","2","3","2","1") = "2"
    & skf21("2","3","1","3","2","3","3","1") = "2"
    & skf21("2","3","1","3","2","3","4","1") = "3"
    & skf21("2","3","1","3","2","3","5","1") = "4"
    & skf21("2","3","1","3","2","3","6","1") = "5"
    & skf21("2","3","1","3","2","3","7","1") = "6"
    & skf21("2","3","1","3","2","4","1","1") = "3"
    & skf21("2","3","1","3","2","4","2","1") = "3"
    & skf21("2","3","1","3","2","4","3","1") = "3"
    & skf21("2","3","1","3","2","4","4","1") = "3"
    & skf21("2","3","1","3","2","4","5","1") = "4"
    & skf21("2","3","1","3","2","4","6","1") = "5"
    & skf21("2","3","1","3","2","4","7","1") = "6"
    & skf21("2","3","1","3","2","5","1","1") = "4"
    & skf21("2","3","1","3","2","5","2","1") = "4"
    & skf21("2","3","1","3","2","5","3","1") = "4"
    & skf21("2","3","1","3","2","5","4","1") = "4"
    & skf21("2","3","1","3","2","5","5","1") = "4"
    & skf21("2","3","1","3","2","5","6","1") = "5"
    & skf21("2","3","1","3","2","5","7","1") = "6"
    & skf21("2","3","1","3","2","6","1","1") = "5"
    & skf21("2","3","1","3","2","6","2","1") = "5"
    & skf21("2","3","1","3","2","6","3","1") = "5"
    & skf21("2","3","1","3","2","6","4","1") = "5"
    & skf21("2","3","1","3","2","6","5","1") = "5"
    & skf21("2","3","1","3","2","6","6","1") = "5"
    & skf21("2","3","1","3","2","6","7","1") = "6"
    & skf21("2","3","1","3","2","7","1","1") = "6"
    & skf21("2","3","1","3","2","7","2","1") = "6"
    & skf21("2","3","1","3","2","7","3","1") = "6"
    & skf21("2","3","1","3","2","7","4","1") = "6"
    & skf21("2","3","1","3","2","7","5","1") = "6"
    & skf21("2","3","1","3","2","7","6","1") = "6"
    & skf21("2","3","1","3","2","7","7","1") = "6"
    & skf21("2","3","1","3","3","1","1","1") = "2"
    & skf21("2","3","1","3","3","1","2","1") = "2"
    & skf21("2","3","1","3","3","1","3","1") = "2"
    & skf21("2","3","1","3","3","1","4","1") = "3"
    & skf21("2","3","1","3","3","1","5","1") = "4"
    & skf21("2","3","1","3","3","1","6","1") = "5"
    & skf21("2","3","1","3","3","1","7","1") = "6"
    & skf21("2","3","1","3","3","2","1","1") = "2"
    & skf21("2","3","1","3","3","2","2","1") = "2"
    & skf21("2","3","1","3","3","2","3","1") = "2"
    & skf21("2","3","1","3","3","2","4","1") = "3"
    & skf21("2","3","1","3","3","2","5","1") = "4"
    & skf21("2","3","1","3","3","2","6","1") = "5"
    & skf21("2","3","1","3","3","2","7","1") = "6"
    & skf21("2","3","1","3","3","3","1","1") = "2"
    & skf21("2","3","1","3","3","3","2","1") = "2"
    & skf21("2","3","1","3","3","3","3","1") = "2"
    & skf21("2","3","1","3","3","3","4","1") = "3"
    & skf21("2","3","1","3","3","3","5","1") = "4"
    & skf21("2","3","1","3","3","3","6","1") = "5"
    & skf21("2","3","1","3","3","3","7","1") = "6"
    & skf21("2","3","1","3","3","4","1","1") = "3"
    & skf21("2","3","1","3","3","4","2","1") = "3"
    & skf21("2","3","1","3","3","4","3","1") = "3"
    & skf21("2","3","1","3","3","4","4","1") = "3"
    & skf21("2","3","1","3","3","4","5","1") = "4"
    & skf21("2","3","1","3","3","4","6","1") = "5"
    & skf21("2","3","1","3","3","4","7","1") = "6"
    & skf21("2","3","1","3","3","5","1","1") = "4"
    & skf21("2","3","1","3","3","5","2","1") = "4"
    & skf21("2","3","1","3","3","5","3","1") = "4"
    & skf21("2","3","1","3","3","5","4","1") = "4"
    & skf21("2","3","1","3","3","5","5","1") = "4"
    & skf21("2","3","1","3","3","5","6","1") = "5"
    & skf21("2","3","1","3","3","5","7","1") = "6"
    & skf21("2","3","1","3","3","6","1","1") = "5"
    & skf21("2","3","1","3","3","6","2","1") = "5"
    & skf21("2","3","1","3","3","6","3","1") = "5"
    & skf21("2","3","1","3","3","6","4","1") = "5"
    & skf21("2","3","1","3","3","6","5","1") = "5"
    & skf21("2","3","1","3","3","6","6","1") = "5"
    & skf21("2","3","1","3","3","6","7","1") = "6"
    & skf21("2","3","1","3","3","7","1","1") = "6"
    & skf21("2","3","1","3","3","7","2","1") = "6"
    & skf21("2","3","1","3","3","7","3","1") = "6"
    & skf21("2","3","1","3","3","7","4","1") = "6"
    & skf21("2","3","1","3","3","7","5","1") = "6"
    & skf21("2","3","1","3","3","7","6","1") = "6"
    & skf21("2","3","1","3","3","7","7","1") = "6"
    & skf21("2","3","1","3","4","1","1","1") = "3"
    & skf21("2","3","1","3","4","1","2","1") = "3"
    & skf21("2","3","1","3","4","1","3","1") = "3"
    & skf21("2","3","1","3","4","1","4","1") = "3"
    & skf21("2","3","1","3","4","1","5","1") = "4"
    & skf21("2","3","1","3","4","1","6","1") = "5"
    & skf21("2","3","1","3","4","1","7","1") = "6"
    & skf21("2","3","1","3","4","2","1","1") = "3"
    & skf21("2","3","1","3","4","2","2","1") = "3"
    & skf21("2","3","1","3","4","2","3","1") = "3"
    & skf21("2","3","1","3","4","2","4","1") = "3"
    & skf21("2","3","1","3","4","2","5","1") = "4"
    & skf21("2","3","1","3","4","2","6","1") = "5"
    & skf21("2","3","1","3","4","2","7","1") = "6"
    & skf21("2","3","1","3","4","3","1","1") = "3"
    & skf21("2","3","1","3","4","3","2","1") = "3"
    & skf21("2","3","1","3","4","3","3","1") = "3"
    & skf21("2","3","1","3","4","3","4","1") = "3"
    & skf21("2","3","1","3","4","3","5","1") = "4"
    & skf21("2","3","1","3","4","3","6","1") = "5"
    & skf21("2","3","1","3","4","3","7","1") = "6"
    & skf21("2","3","1","3","4","4","1","1") = "3"
    & skf21("2","3","1","3","4","4","2","1") = "3"
    & skf21("2","3","1","3","4","4","3","1") = "3"
    & skf21("2","3","1","3","4","4","4","1") = "3"
    & skf21("2","3","1","3","4","4","5","1") = "4"
    & skf21("2","3","1","3","4","4","6","1") = "5"
    & skf21("2","3","1","3","4","4","7","1") = "6"
    & skf21("2","3","1","3","4","5","1","1") = "4"
    & skf21("2","3","1","3","4","5","2","1") = "4"
    & skf21("2","3","1","3","4","5","3","1") = "4"
    & skf21("2","3","1","3","4","5","4","1") = "4"
    & skf21("2","3","1","3","4","5","5","1") = "4"
    & skf21("2","3","1","3","4","5","6","1") = "5"
    & skf21("2","3","1","3","4","5","7","1") = "6"
    & skf21("2","3","1","3","4","6","1","1") = "5"
    & skf21("2","3","1","3","4","6","2","1") = "5"
    & skf21("2","3","1","3","4","6","3","1") = "5"
    & skf21("2","3","1","3","4","6","4","1") = "5"
    & skf21("2","3","1","3","4","6","5","1") = "5"
    & skf21("2","3","1","3","4","6","6","1") = "5"
    & skf21("2","3","1","3","4","6","7","1") = "6"
    & skf21("2","3","1","3","4","7","1","1") = "6"
    & skf21("2","3","1","3","4","7","2","1") = "6"
    & skf21("2","3","1","3","4","7","3","1") = "6"
    & skf21("2","3","1","3","4","7","4","1") = "6"
    & skf21("2","3","1","3","4","7","5","1") = "6"
    & skf21("2","3","1","3","4","7","6","1") = "6"
    & skf21("2","3","1","3","4","7","7","1") = "6"
    & skf21("2","3","1","3","5","1","1","1") = "4"
    & skf21("2","3","1","3","5","1","2","1") = "4"
    & skf21("2","3","1","3","5","1","3","1") = "4"
    & skf21("2","3","1","3","5","1","4","1") = "4"
    & skf21("2","3","1","3","5","1","5","1") = "4"
    & skf21("2","3","1","3","5","1","6","1") = "5"
    & skf21("2","3","1","3","5","1","7","1") = "6"
    & skf21("2","3","1","3","5","2","1","1") = "4"
    & skf21("2","3","1","3","5","2","2","1") = "4"
    & skf21("2","3","1","3","5","2","3","1") = "4"
    & skf21("2","3","1","3","5","2","4","1") = "4"
    & skf21("2","3","1","3","5","2","5","1") = "4"
    & skf21("2","3","1","3","5","2","6","1") = "5"
    & skf21("2","3","1","3","5","2","7","1") = "6"
    & skf21("2","3","1","3","5","3","1","1") = "4"
    & skf21("2","3","1","3","5","3","2","1") = "4"
    & skf21("2","3","1","3","5","3","3","1") = "4"
    & skf21("2","3","1","3","5","3","4","1") = "4"
    & skf21("2","3","1","3","5","3","5","1") = "4"
    & skf21("2","3","1","3","5","3","6","1") = "5"
    & skf21("2","3","1","3","5","3","7","1") = "6"
    & skf21("2","3","1","3","5","4","1","1") = "4"
    & skf21("2","3","1","3","5","4","2","1") = "4"
    & skf21("2","3","1","3","5","4","3","1") = "4"
    & skf21("2","3","1","3","5","4","4","1") = "4"
    & skf21("2","3","1","3","5","4","5","1") = "4"
    & skf21("2","3","1","3","5","4","6","1") = "5"
    & skf21("2","3","1","3","5","4","7","1") = "6"
    & skf21("2","3","1","3","5","5","1","1") = "4"
    & skf21("2","3","1","3","5","5","2","1") = "4"
    & skf21("2","3","1","3","5","5","3","1") = "4"
    & skf21("2","3","1","3","5","5","4","1") = "4"
    & skf21("2","3","1","3","5","5","5","1") = "4"
    & skf21("2","3","1","3","5","5","6","1") = "5"
    & skf21("2","3","1","3","5","5","7","1") = "6"
    & skf21("2","3","1","3","5","6","1","1") = "5"
    & skf21("2","3","1","3","5","6","2","1") = "5"
    & skf21("2","3","1","3","5","6","3","1") = "5"
    & skf21("2","3","1","3","5","6","4","1") = "5"
    & skf21("2","3","1","3","5","6","5","1") = "5"
    & skf21("2","3","1","3","5","6","6","1") = "5"
    & skf21("2","3","1","3","5","6","7","1") = "6"
    & skf21("2","3","1","3","5","7","1","1") = "6"
    & skf21("2","3","1","3","5","7","2","1") = "6"
    & skf21("2","3","1","3","5","7","3","1") = "6"
    & skf21("2","3","1","3","5","7","4","1") = "6"
    & skf21("2","3","1","3","5","7","5","1") = "6"
    & skf21("2","3","1","3","5","7","6","1") = "6"
    & skf21("2","3","1","3","5","7","7","1") = "6"
    & skf21("2","3","1","3","6","1","1","1") = "5"
    & skf21("2","3","1","3","6","1","2","1") = "5"
    & skf21("2","3","1","3","6","1","3","1") = "5"
    & skf21("2","3","1","3","6","1","4","1") = "5"
    & skf21("2","3","1","3","6","1","5","1") = "5"
    & skf21("2","3","1","3","6","1","6","1") = "5"
    & skf21("2","3","1","3","6","1","7","1") = "6"
    & skf21("2","3","1","3","6","2","1","1") = "5"
    & skf21("2","3","1","3","6","2","2","1") = "5"
    & skf21("2","3","1","3","6","2","3","1") = "5"
    & skf21("2","3","1","3","6","2","4","1") = "5"
    & skf21("2","3","1","3","6","2","5","1") = "5"
    & skf21("2","3","1","3","6","2","6","1") = "5"
    & skf21("2","3","1","3","6","2","7","1") = "6"
    & skf21("2","3","1","3","6","3","1","1") = "5"
    & skf21("2","3","1","3","6","3","2","1") = "5"
    & skf21("2","3","1","3","6","3","3","1") = "5"
    & skf21("2","3","1","3","6","3","4","1") = "5"
    & skf21("2","3","1","3","6","3","5","1") = "5"
    & skf21("2","3","1","3","6","3","6","1") = "5"
    & skf21("2","3","1","3","6","3","7","1") = "6"
    & skf21("2","3","1","3","6","4","1","1") = "5"
    & skf21("2","3","1","3","6","4","2","1") = "5"
    & skf21("2","3","1","3","6","4","3","1") = "5"
    & skf21("2","3","1","3","6","4","4","1") = "5"
    & skf21("2","3","1","3","6","4","5","1") = "5"
    & skf21("2","3","1","3","6","4","6","1") = "5"
    & skf21("2","3","1","3","6","4","7","1") = "6"
    & skf21("2","3","1","3","6","5","1","1") = "5"
    & skf21("2","3","1","3","6","5","2","1") = "5"
    & skf21("2","3","1","3","6","5","3","1") = "5"
    & skf21("2","3","1","3","6","5","4","1") = "5"
    & skf21("2","3","1","3","6","5","5","1") = "5"
    & skf21("2","3","1","3","6","5","6","1") = "5"
    & skf21("2","3","1","3","6","5","7","1") = "6"
    & skf21("2","3","1","3","6","6","1","1") = "5"
    & skf21("2","3","1","3","6","6","2","1") = "5"
    & skf21("2","3","1","3","6","6","3","1") = "5"
    & skf21("2","3","1","3","6","6","4","1") = "5"
    & skf21("2","3","1","3","6","6","5","1") = "5"
    & skf21("2","3","1","3","6","6","6","1") = "5"
    & skf21("2","3","1","3","6","6","7","1") = "6"
    & skf21("2","3","1","3","6","7","1","1") = "6"
    & skf21("2","3","1","3","6","7","2","1") = "6"
    & skf21("2","3","1","3","6","7","3","1") = "6"
    & skf21("2","3","1","3","6","7","4","1") = "6"
    & skf21("2","3","1","3","6","7","5","1") = "6"
    & skf21("2","3","1","3","6","7","6","1") = "6"
    & skf21("2","3","1","3","6","7","7","1") = "6"
    & skf21("2","3","1","3","7","1","1","1") = "6"
    & skf21("2","3","1","3","7","1","2","1") = "6"
    & skf21("2","3","1","3","7","1","3","1") = "6"
    & skf21("2","3","1","3","7","1","4","1") = "6"
    & skf21("2","3","1","3","7","1","5","1") = "6"
    & skf21("2","3","1","3","7","1","6","1") = "6"
    & skf21("2","3","1","3","7","1","7","1") = "6"
    & skf21("2","3","1","3","7","2","1","1") = "6"
    & skf21("2","3","1","3","7","2","2","1") = "6"
    & skf21("2","3","1","3","7","2","3","1") = "6"
    & skf21("2","3","1","3","7","2","4","1") = "6"
    & skf21("2","3","1","3","7","2","5","1") = "6"
    & skf21("2","3","1","3","7","2","6","1") = "6"
    & skf21("2","3","1","3","7","2","7","1") = "6"
    & skf21("2","3","1","3","7","3","1","1") = "6"
    & skf21("2","3","1","3","7","3","2","1") = "6"
    & skf21("2","3","1","3","7","3","3","1") = "6"
    & skf21("2","3","1","3","7","3","4","1") = "6"
    & skf21("2","3","1","3","7","3","5","1") = "6"
    & skf21("2","3","1","3","7","3","6","1") = "6"
    & skf21("2","3","1","3","7","3","7","1") = "6"
    & skf21("2","3","1","3","7","4","1","1") = "6"
    & skf21("2","3","1","3","7","4","2","1") = "6"
    & skf21("2","3","1","3","7","4","3","1") = "6"
    & skf21("2","3","1","3","7","4","4","1") = "6"
    & skf21("2","3","1","3","7","4","5","1") = "6"
    & skf21("2","3","1","3","7","4","6","1") = "6"
    & skf21("2","3","1","3","7","4","7","1") = "6"
    & skf21("2","3","1","3","7","5","1","1") = "6"
    & skf21("2","3","1","3","7","5","2","1") = "6"
    & skf21("2","3","1","3","7","5","3","1") = "6"
    & skf21("2","3","1","3","7","5","4","1") = "6"
    & skf21("2","3","1","3","7","5","5","1") = "6"
    & skf21("2","3","1","3","7","5","6","1") = "6"
    & skf21("2","3","1","3","7","5","7","1") = "6"
    & skf21("2","3","1","3","7","6","1","1") = "6"
    & skf21("2","3","1","3","7","6","2","1") = "6"
    & skf21("2","3","1","3","7","6","3","1") = "6"
    & skf21("2","3","1","3","7","6","4","1") = "6"
    & skf21("2","3","1","3","7","6","5","1") = "6"
    & skf21("2","3","1","3","7","6","6","1") = "6"
    & skf21("2","3","1","3","7","6","7","1") = "6"
    & skf21("2","3","1","3","7","7","1","1") = "6"
    & skf21("2","3","1","3","7","7","2","1") = "6"
    & skf21("2","3","1","3","7","7","3","1") = "6"
    & skf21("2","3","1","3","7","7","4","1") = "6"
    & skf21("2","3","1","3","7","7","5","1") = "6"
    & skf21("2","3","1","3","7","7","6","1") = "6"
    & skf21("2","3","1","3","7","7","7","1") = "6"
    & skf21("2","3","1","4","1","1","1","1") = "3"
    & skf21("2","3","1","4","1","1","2","1") = "3"
    & skf21("2","3","1","4","1","1","3","1") = "3"
    & skf21("2","3","1","4","1","1","4","1") = "3"
    & skf21("2","3","1","4","1","1","5","1") = "4"
    & skf21("2","3","1","4","1","1","6","1") = "5"
    & skf21("2","3","1","4","1","1","7","1") = "6"
    & skf21("2","3","1","4","1","2","1","1") = "3"
    & skf21("2","3","1","4","1","2","2","1") = "3"
    & skf21("2","3","1","4","1","2","3","1") = "3"
    & skf21("2","3","1","4","1","2","4","1") = "3"
    & skf21("2","3","1","4","1","2","5","1") = "4"
    & skf21("2","3","1","4","1","2","6","1") = "5"
    & skf21("2","3","1","4","1","2","7","1") = "6"
    & skf21("2","3","1","4","1","3","1","1") = "3"
    & skf21("2","3","1","4","1","3","2","1") = "3"
    & skf21("2","3","1","4","1","3","3","1") = "3"
    & skf21("2","3","1","4","1","3","4","1") = "3"
    & skf21("2","3","1","4","1","3","5","1") = "4"
    & skf21("2","3","1","4","1","3","6","1") = "5"
    & skf21("2","3","1","4","1","3","7","1") = "6"
    & skf21("2","3","1","4","1","4","1","1") = "3"
    & skf21("2","3","1","4","1","4","2","1") = "3"
    & skf21("2","3","1","4","1","4","3","1") = "3"
    & skf21("2","3","1","4","1","4","4","1") = "3"
    & skf21("2","3","1","4","1","4","5","1") = "4"
    & skf21("2","3","1","4","1","4","6","1") = "5"
    & skf21("2","3","1","4","1","4","7","1") = "6"
    & skf21("2","3","1","4","1","5","1","1") = "4"
    & skf21("2","3","1","4","1","5","2","1") = "4"
    & skf21("2","3","1","4","1","5","3","1") = "4"
    & skf21("2","3","1","4","1","5","4","1") = "4"
    & skf21("2","3","1","4","1","5","5","1") = "4"
    & skf21("2","3","1","4","1","5","6","1") = "5"
    & skf21("2","3","1","4","1","5","7","1") = "6"
    & skf21("2","3","1","4","1","6","1","1") = "5"
    & skf21("2","3","1","4","1","6","2","1") = "5"
    & skf21("2","3","1","4","1","6","3","1") = "5"
    & skf21("2","3","1","4","1","6","4","1") = "5"
    & skf21("2","3","1","4","1","6","5","1") = "5"
    & skf21("2","3","1","4","1","6","6","1") = "5"
    & skf21("2","3","1","4","1","6","7","1") = "6"
    & skf21("2","3","1","4","1","7","1","1") = "6"
    & skf21("2","3","1","4","1","7","2","1") = "6"
    & skf21("2","3","1","4","1","7","3","1") = "6"
    & skf21("2","3","1","4","1","7","4","1") = "6"
    & skf21("2","3","1","4","1","7","5","1") = "6"
    & skf21("2","3","1","4","1","7","6","1") = "6"
    & skf21("2","3","1","4","1","7","7","1") = "6"
    & skf21("2","3","1","4","2","1","1","1") = "3"
    & skf21("2","3","1","4","2","1","2","1") = "3"
    & skf21("2","3","1","4","2","1","3","1") = "3"
    & skf21("2","3","1","4","2","1","4","1") = "3"
    & skf21("2","3","1","4","2","1","5","1") = "4"
    & skf21("2","3","1","4","2","1","6","1") = "5"
    & skf21("2","3","1","4","2","1","7","1") = "6"
    & skf21("2","3","1","4","2","2","1","1") = "3"
    & skf21("2","3","1","4","2","2","2","1") = "3"
    & skf21("2","3","1","4","2","2","3","1") = "3"
    & skf21("2","3","1","4","2","2","4","1") = "3"
    & skf21("2","3","1","4","2","2","5","1") = "4"
    & skf21("2","3","1","4","2","2","6","1") = "5"
    & skf21("2","3","1","4","2","2","7","1") = "6"
    & skf21("2","3","1","4","2","3","1","1") = "3"
    & skf21("2","3","1","4","2","3","2","1") = "3"
    & skf21("2","3","1","4","2","3","3","1") = "3"
    & skf21("2","3","1","4","2","3","4","1") = "3"
    & skf21("2","3","1","4","2","3","5","1") = "4"
    & skf21("2","3","1","4","2","3","6","1") = "5"
    & skf21("2","3","1","4","2","3","7","1") = "6"
    & skf21("2","3","1","4","2","4","1","1") = "3"
    & skf21("2","3","1","4","2","4","2","1") = "3"
    & skf21("2","3","1","4","2","4","3","1") = "3"
    & skf21("2","3","1","4","2","4","4","1") = "3"
    & skf21("2","3","1","4","2","4","5","1") = "4"
    & skf21("2","3","1","4","2","4","6","1") = "5"
    & skf21("2","3","1","4","2","4","7","1") = "6"
    & skf21("2","3","1","4","2","5","1","1") = "4"
    & skf21("2","3","1","4","2","5","2","1") = "4"
    & skf21("2","3","1","4","2","5","3","1") = "4"
    & skf21("2","3","1","4","2","5","4","1") = "4"
    & skf21("2","3","1","4","2","5","5","1") = "4"
    & skf21("2","3","1","4","2","5","6","1") = "5"
    & skf21("2","3","1","4","2","5","7","1") = "6"
    & skf21("2","3","1","4","2","6","1","1") = "5"
    & skf21("2","3","1","4","2","6","2","1") = "5"
    & skf21("2","3","1","4","2","6","3","1") = "5"
    & skf21("2","3","1","4","2","6","4","1") = "5"
    & skf21("2","3","1","4","2","6","5","1") = "5"
    & skf21("2","3","1","4","2","6","6","1") = "5"
    & skf21("2","3","1","4","2","6","7","1") = "6"
    & skf21("2","3","1","4","2","7","1","1") = "6"
    & skf21("2","3","1","4","2","7","2","1") = "6"
    & skf21("2","3","1","4","2","7","3","1") = "6"
    & skf21("2","3","1","4","2","7","4","1") = "6"
    & skf21("2","3","1","4","2","7","5","1") = "6"
    & skf21("2","3","1","4","2","7","6","1") = "6"
    & skf21("2","3","1","4","2","7","7","1") = "6"
    & skf21("2","3","1","4","3","1","1","1") = "3"
    & skf21("2","3","1","4","3","1","2","1") = "3"
    & skf21("2","3","1","4","3","1","3","1") = "3"
    & skf21("2","3","1","4","3","1","4","1") = "3"
    & skf21("2","3","1","4","3","1","5","1") = "4"
    & skf21("2","3","1","4","3","1","6","1") = "5"
    & skf21("2","3","1","4","3","1","7","1") = "6"
    & skf21("2","3","1","4","3","2","1","1") = "3"
    & skf21("2","3","1","4","3","2","2","1") = "3"
    & skf21("2","3","1","4","3","2","3","1") = "3"
    & skf21("2","3","1","4","3","2","4","1") = "3"
    & skf21("2","3","1","4","3","2","5","1") = "4"
    & skf21("2","3","1","4","3","2","6","1") = "5"
    & skf21("2","3","1","4","3","2","7","1") = "6"
    & skf21("2","3","1","4","3","3","1","1") = "3"
    & skf21("2","3","1","4","3","3","2","1") = "3"
    & skf21("2","3","1","4","3","3","3","1") = "3"
    & skf21("2","3","1","4","3","3","4","1") = "3"
    & skf21("2","3","1","4","3","3","5","1") = "4"
    & skf21("2","3","1","4","3","3","6","1") = "5"
    & skf21("2","3","1","4","3","3","7","1") = "6"
    & skf21("2","3","1","4","3","4","1","1") = "3"
    & skf21("2","3","1","4","3","4","2","1") = "3"
    & skf21("2","3","1","4","3","4","3","1") = "3"
    & skf21("2","3","1","4","3","4","4","1") = "3"
    & skf21("2","3","1","4","3","4","5","1") = "4"
    & skf21("2","3","1","4","3","4","6","1") = "5"
    & skf21("2","3","1","4","3","4","7","1") = "6"
    & skf21("2","3","1","4","3","5","1","1") = "4"
    & skf21("2","3","1","4","3","5","2","1") = "4"
    & skf21("2","3","1","4","3","5","3","1") = "4"
    & skf21("2","3","1","4","3","5","4","1") = "4"
    & skf21("2","3","1","4","3","5","5","1") = "4"
    & skf21("2","3","1","4","3","5","6","1") = "5"
    & skf21("2","3","1","4","3","5","7","1") = "6"
    & skf21("2","3","1","4","3","6","1","1") = "5"
    & skf21("2","3","1","4","3","6","2","1") = "5"
    & skf21("2","3","1","4","3","6","3","1") = "5"
    & skf21("2","3","1","4","3","6","4","1") = "5"
    & skf21("2","3","1","4","3","6","5","1") = "5"
    & skf21("2","3","1","4","3","6","6","1") = "5"
    & skf21("2","3","1","4","3","6","7","1") = "6"
    & skf21("2","3","1","4","3","7","1","1") = "6"
    & skf21("2","3","1","4","3","7","2","1") = "6"
    & skf21("2","3","1","4","3","7","3","1") = "6"
    & skf21("2","3","1","4","3","7","4","1") = "6"
    & skf21("2","3","1","4","3","7","5","1") = "6"
    & skf21("2","3","1","4","3","7","6","1") = "6"
    & skf21("2","3","1","4","3","7","7","1") = "6"
    & skf21("2","3","1","4","4","1","1","1") = "3"
    & skf21("2","3","1","4","4","1","2","1") = "3"
    & skf21("2","3","1","4","4","1","3","1") = "3"
    & skf21("2","3","1","4","4","1","4","1") = "3"
    & skf21("2","3","1","4","4","1","5","1") = "4"
    & skf21("2","3","1","4","4","1","6","1") = "5"
    & skf21("2","3","1","4","4","1","7","1") = "6"
    & skf21("2","3","1","4","4","2","1","1") = "3"
    & skf21("2","3","1","4","4","2","2","1") = "3"
    & skf21("2","3","1","4","4","2","3","1") = "3"
    & skf21("2","3","1","4","4","2","4","1") = "3"
    & skf21("2","3","1","4","4","2","5","1") = "4"
    & skf21("2","3","1","4","4","2","6","1") = "5"
    & skf21("2","3","1","4","4","2","7","1") = "6"
    & skf21("2","3","1","4","4","3","1","1") = "3"
    & skf21("2","3","1","4","4","3","2","1") = "3"
    & skf21("2","3","1","4","4","3","3","1") = "3"
    & skf21("2","3","1","4","4","3","4","1") = "3"
    & skf21("2","3","1","4","4","3","5","1") = "4"
    & skf21("2","3","1","4","4","3","6","1") = "5"
    & skf21("2","3","1","4","4","3","7","1") = "6"
    & skf21("2","3","1","4","4","4","1","1") = "3"
    & skf21("2","3","1","4","4","4","2","1") = "3"
    & skf21("2","3","1","4","4","4","3","1") = "3"
    & skf21("2","3","1","4","4","4","4","1") = "3"
    & skf21("2","3","1","4","4","4","5","1") = "4"
    & skf21("2","3","1","4","4","4","6","1") = "5"
    & skf21("2","3","1","4","4","4","7","1") = "6"
    & skf21("2","3","1","4","4","5","1","1") = "4"
    & skf21("2","3","1","4","4","5","2","1") = "4"
    & skf21("2","3","1","4","4","5","3","1") = "4"
    & skf21("2","3","1","4","4","5","4","1") = "4"
    & skf21("2","3","1","4","4","5","5","1") = "4"
    & skf21("2","3","1","4","4","5","6","1") = "5"
    & skf21("2","3","1","4","4","5","7","1") = "6"
    & skf21("2","3","1","4","4","6","1","1") = "5"
    & skf21("2","3","1","4","4","6","2","1") = "5"
    & skf21("2","3","1","4","4","6","3","1") = "5"
    & skf21("2","3","1","4","4","6","4","1") = "5"
    & skf21("2","3","1","4","4","6","5","1") = "5"
    & skf21("2","3","1","4","4","6","6","1") = "5"
    & skf21("2","3","1","4","4","6","7","1") = "6"
    & skf21("2","3","1","4","4","7","1","1") = "6"
    & skf21("2","3","1","4","4","7","2","1") = "6"
    & skf21("2","3","1","4","4","7","3","1") = "6"
    & skf21("2","3","1","4","4","7","4","1") = "6"
    & skf21("2","3","1","4","4","7","5","1") = "6"
    & skf21("2","3","1","4","4","7","6","1") = "6"
    & skf21("2","3","1","4","4","7","7","1") = "6"
    & skf21("2","3","1","4","5","1","1","1") = "4"
    & skf21("2","3","1","4","5","1","2","1") = "4"
    & skf21("2","3","1","4","5","1","3","1") = "4"
    & skf21("2","3","1","4","5","1","4","1") = "4"
    & skf21("2","3","1","4","5","1","5","1") = "4"
    & skf21("2","3","1","4","5","1","6","1") = "5"
    & skf21("2","3","1","4","5","1","7","1") = "6"
    & skf21("2","3","1","4","5","2","1","1") = "4"
    & skf21("2","3","1","4","5","2","2","1") = "4"
    & skf21("2","3","1","4","5","2","3","1") = "4"
    & skf21("2","3","1","4","5","2","4","1") = "4"
    & skf21("2","3","1","4","5","2","5","1") = "4"
    & skf21("2","3","1","4","5","2","6","1") = "5"
    & skf21("2","3","1","4","5","2","7","1") = "6"
    & skf21("2","3","1","4","5","3","1","1") = "4"
    & skf21("2","3","1","4","5","3","2","1") = "4"
    & skf21("2","3","1","4","5","3","3","1") = "4"
    & skf21("2","3","1","4","5","3","4","1") = "4"
    & skf21("2","3","1","4","5","3","5","1") = "4"
    & skf21("2","3","1","4","5","3","6","1") = "5"
    & skf21("2","3","1","4","5","3","7","1") = "6"
    & skf21("2","3","1","4","5","4","1","1") = "4"
    & skf21("2","3","1","4","5","4","2","1") = "4"
    & skf21("2","3","1","4","5","4","3","1") = "4"
    & skf21("2","3","1","4","5","4","4","1") = "4"
    & skf21("2","3","1","4","5","4","5","1") = "4"
    & skf21("2","3","1","4","5","4","6","1") = "5"
    & skf21("2","3","1","4","5","4","7","1") = "6"
    & skf21("2","3","1","4","5","5","1","1") = "4"
    & skf21("2","3","1","4","5","5","2","1") = "4"
    & skf21("2","3","1","4","5","5","3","1") = "4"
    & skf21("2","3","1","4","5","5","4","1") = "4"
    & skf21("2","3","1","4","5","5","5","1") = "4"
    & skf21("2","3","1","4","5","5","6","1") = "5"
    & skf21("2","3","1","4","5","5","7","1") = "6"
    & skf21("2","3","1","4","5","6","1","1") = "5"
    & skf21("2","3","1","4","5","6","2","1") = "5"
    & skf21("2","3","1","4","5","6","3","1") = "5"
    & skf21("2","3","1","4","5","6","4","1") = "5"
    & skf21("2","3","1","4","5","6","5","1") = "5"
    & skf21("2","3","1","4","5","6","6","1") = "5"
    & skf21("2","3","1","4","5","6","7","1") = "6"
    & skf21("2","3","1","4","5","7","1","1") = "6"
    & skf21("2","3","1","4","5","7","2","1") = "6"
    & skf21("2","3","1","4","5","7","3","1") = "6"
    & skf21("2","3","1","4","5","7","4","1") = "6"
    & skf21("2","3","1","4","5","7","5","1") = "6"
    & skf21("2","3","1","4","5","7","6","1") = "6"
    & skf21("2","3","1","4","5","7","7","1") = "6"
    & skf21("2","3","1","4","6","1","1","1") = "5"
    & skf21("2","3","1","4","6","1","2","1") = "5"
    & skf21("2","3","1","4","6","1","3","1") = "5"
    & skf21("2","3","1","4","6","1","4","1") = "5"
    & skf21("2","3","1","4","6","1","5","1") = "5"
    & skf21("2","3","1","4","6","1","6","1") = "5"
    & skf21("2","3","1","4","6","1","7","1") = "6"
    & skf21("2","3","1","4","6","2","1","1") = "5"
    & skf21("2","3","1","4","6","2","2","1") = "5"
    & skf21("2","3","1","4","6","2","3","1") = "5"
    & skf21("2","3","1","4","6","2","4","1") = "5"
    & skf21("2","3","1","4","6","2","5","1") = "5"
    & skf21("2","3","1","4","6","2","6","1") = "5"
    & skf21("2","3","1","4","6","2","7","1") = "6"
    & skf21("2","3","1","4","6","3","1","1") = "5"
    & skf21("2","3","1","4","6","3","2","1") = "5"
    & skf21("2","3","1","4","6","3","3","1") = "5"
    & skf21("2","3","1","4","6","3","4","1") = "5"
    & skf21("2","3","1","4","6","3","5","1") = "5"
    & skf21("2","3","1","4","6","3","6","1") = "5"
    & skf21("2","3","1","4","6","3","7","1") = "6"
    & skf21("2","3","1","4","6","4","1","1") = "5"
    & skf21("2","3","1","4","6","4","2","1") = "5"
    & skf21("2","3","1","4","6","4","3","1") = "5"
    & skf21("2","3","1","4","6","4","4","1") = "5"
    & skf21("2","3","1","4","6","4","5","1") = "5"
    & skf21("2","3","1","4","6","4","6","1") = "5"
    & skf21("2","3","1","4","6","4","7","1") = "6"
    & skf21("2","3","1","4","6","5","1","1") = "5"
    & skf21("2","3","1","4","6","5","2","1") = "5"
    & skf21("2","3","1","4","6","5","3","1") = "5"
    & skf21("2","3","1","4","6","5","4","1") = "5"
    & skf21("2","3","1","4","6","5","5","1") = "5"
    & skf21("2","3","1","4","6","5","6","1") = "5"
    & skf21("2","3","1","4","6","5","7","1") = "6"
    & skf21("2","3","1","4","6","6","1","1") = "5"
    & skf21("2","3","1","4","6","6","2","1") = "5"
    & skf21("2","3","1","4","6","6","3","1") = "5"
    & skf21("2","3","1","4","6","6","4","1") = "5"
    & skf21("2","3","1","4","6","6","5","1") = "5"
    & skf21("2","3","1","4","6","6","6","1") = "5"
    & skf21("2","3","1","4","6","6","7","1") = "6"
    & skf21("2","3","1","4","6","7","1","1") = "6"
    & skf21("2","3","1","4","6","7","2","1") = "6"
    & skf21("2","3","1","4","6","7","3","1") = "6"
    & skf21("2","3","1","4","6","7","4","1") = "6"
    & skf21("2","3","1","4","6","7","5","1") = "6"
    & skf21("2","3","1","4","6","7","6","1") = "6"
    & skf21("2","3","1","4","6","7","7","1") = "6"
    & skf21("2","3","1","4","7","1","1","1") = "6"
    & skf21("2","3","1","4","7","1","2","1") = "6"
    & skf21("2","3","1","4","7","1","3","1") = "6"
    & skf21("2","3","1","4","7","1","4","1") = "6"
    & skf21("2","3","1","4","7","1","5","1") = "6"
    & skf21("2","3","1","4","7","1","6","1") = "6"
    & skf21("2","3","1","4","7","1","7","1") = "6"
    & skf21("2","3","1","4","7","2","1","1") = "6"
    & skf21("2","3","1","4","7","2","2","1") = "6"
    & skf21("2","3","1","4","7","2","3","1") = "6"
    & skf21("2","3","1","4","7","2","4","1") = "6"
    & skf21("2","3","1","4","7","2","5","1") = "6"
    & skf21("2","3","1","4","7","2","6","1") = "6"
    & skf21("2","3","1","4","7","2","7","1") = "6"
    & skf21("2","3","1","4","7","3","1","1") = "6"
    & skf21("2","3","1","4","7","3","2","1") = "6"
    & skf21("2","3","1","4","7","3","3","1") = "6"
    & skf21("2","3","1","4","7","3","4","1") = "6"
    & skf21("2","3","1","4","7","3","5","1") = "6"
    & skf21("2","3","1","4","7","3","6","1") = "6"
    & skf21("2","3","1","4","7","3","7","1") = "6"
    & skf21("2","3","1","4","7","4","1","1") = "6"
    & skf21("2","3","1","4","7","4","2","1") = "6"
    & skf21("2","3","1","4","7","4","3","1") = "6"
    & skf21("2","3","1","4","7","4","4","1") = "6"
    & skf21("2","3","1","4","7","4","5","1") = "6"
    & skf21("2","3","1","4","7","4","6","1") = "6"
    & skf21("2","3","1","4","7","4","7","1") = "6"
    & skf21("2","3","1","4","7","5","1","1") = "6"
    & skf21("2","3","1","4","7","5","2","1") = "6"
    & skf21("2","3","1","4","7","5","3","1") = "6"
    & skf21("2","3","1","4","7","5","4","1") = "6"
    & skf21("2","3","1","4","7","5","5","1") = "6"
    & skf21("2","3","1","4","7","5","6","1") = "6"
    & skf21("2","3","1","4","7","5","7","1") = "6"
    & skf21("2","3","1","4","7","6","1","1") = "6"
    & skf21("2","3","1","4","7","6","2","1") = "6"
    & skf21("2","3","1","4","7","6","3","1") = "6"
    & skf21("2","3","1","4","7","6","4","1") = "6"
    & skf21("2","3","1","4","7","6","5","1") = "6"
    & skf21("2","3","1","4","7","6","6","1") = "6"
    & skf21("2","3","1","4","7","6","7","1") = "6"
    & skf21("2","3","1","4","7","7","1","1") = "6"
    & skf21("2","3","1","4","7","7","2","1") = "6"
    & skf21("2","3","1","4","7","7","3","1") = "6"
    & skf21("2","3","1","4","7","7","4","1") = "6"
    & skf21("2","3","1","4","7","7","5","1") = "6"
    & skf21("2","3","1","4","7","7","6","1") = "6"
    & skf21("2","3","1","4","7","7","7","1") = "6"
    & skf21("2","3","1","5","1","1","1","1") = "4"
    & skf21("2","3","1","5","1","1","2","1") = "4"
    & skf21("2","3","1","5","1","1","3","1") = "4"
    & skf21("2","3","1","5","1","1","4","1") = "4"
    & skf21("2","3","1","5","1","1","5","1") = "4"
    & skf21("2","3","1","5","1","1","6","1") = "5"
    & skf21("2","3","1","5","1","1","7","1") = "6"
    & skf21("2","3","1","5","1","2","1","1") = "4"
    & skf21("2","3","1","5","1","2","2","1") = "4"
    & skf21("2","3","1","5","1","2","3","1") = "4"
    & skf21("2","3","1","5","1","2","4","1") = "4"
    & skf21("2","3","1","5","1","2","5","1") = "4"
    & skf21("2","3","1","5","1","2","6","1") = "5"
    & skf21("2","3","1","5","1","2","7","1") = "6"
    & skf21("2","3","1","5","1","3","1","1") = "4"
    & skf21("2","3","1","5","1","3","2","1") = "4"
    & skf21("2","3","1","5","1","3","3","1") = "4"
    & skf21("2","3","1","5","1","3","4","1") = "4"
    & skf21("2","3","1","5","1","3","5","1") = "4"
    & skf21("2","3","1","5","1","3","6","1") = "5"
    & skf21("2","3","1","5","1","3","7","1") = "6"
    & skf21("2","3","1","5","1","4","1","1") = "4"
    & skf21("2","3","1","5","1","4","2","1") = "4"
    & skf21("2","3","1","5","1","4","3","1") = "4"
    & skf21("2","3","1","5","1","4","4","1") = "4"
    & skf21("2","3","1","5","1","4","5","1") = "4"
    & skf21("2","3","1","5","1","4","6","1") = "5"
    & skf21("2","3","1","5","1","4","7","1") = "6"
    & skf21("2","3","1","5","1","5","1","1") = "4"
    & skf21("2","3","1","5","1","5","2","1") = "4"
    & skf21("2","3","1","5","1","5","3","1") = "4"
    & skf21("2","3","1","5","1","5","4","1") = "4"
    & skf21("2","3","1","5","1","5","5","1") = "4"
    & skf21("2","3","1","5","1","5","6","1") = "5"
    & skf21("2","3","1","5","1","5","7","1") = "6"
    & skf21("2","3","1","5","1","6","1","1") = "5"
    & skf21("2","3","1","5","1","6","2","1") = "5"
    & skf21("2","3","1","5","1","6","3","1") = "5"
    & skf21("2","3","1","5","1","6","4","1") = "5"
    & skf21("2","3","1","5","1","6","5","1") = "5"
    & skf21("2","3","1","5","1","6","6","1") = "5"
    & skf21("2","3","1","5","1","6","7","1") = "6"
    & skf21("2","3","1","5","1","7","1","1") = "6"
    & skf21("2","3","1","5","1","7","2","1") = "6"
    & skf21("2","3","1","5","1","7","3","1") = "6"
    & skf21("2","3","1","5","1","7","4","1") = "6"
    & skf21("2","3","1","5","1","7","5","1") = "6"
    & skf21("2","3","1","5","1","7","6","1") = "6"
    & skf21("2","3","1","5","1","7","7","1") = "6"
    & skf21("2","3","1","5","2","1","1","1") = "4"
    & skf21("2","3","1","5","2","1","2","1") = "4"
    & skf21("2","3","1","5","2","1","3","1") = "4"
    & skf21("2","3","1","5","2","1","4","1") = "4"
    & skf21("2","3","1","5","2","1","5","1") = "4"
    & skf21("2","3","1","5","2","1","6","1") = "5"
    & skf21("2","3","1","5","2","1","7","1") = "6"
    & skf21("2","3","1","5","2","2","1","1") = "4"
    & skf21("2","3","1","5","2","2","2","1") = "4"
    & skf21("2","3","1","5","2","2","3","1") = "4"
    & skf21("2","3","1","5","2","2","4","1") = "4"
    & skf21("2","3","1","5","2","2","5","1") = "4"
    & skf21("2","3","1","5","2","2","6","1") = "5"
    & skf21("2","3","1","5","2","2","7","1") = "6"
    & skf21("2","3","1","5","2","3","1","1") = "4"
    & skf21("2","3","1","5","2","3","2","1") = "4"
    & skf21("2","3","1","5","2","3","3","1") = "4"
    & skf21("2","3","1","5","2","3","4","1") = "4"
    & skf21("2","3","1","5","2","3","5","1") = "4"
    & skf21("2","3","1","5","2","3","6","1") = "5"
    & skf21("2","3","1","5","2","3","7","1") = "6"
    & skf21("2","3","1","5","2","4","1","1") = "4"
    & skf21("2","3","1","5","2","4","2","1") = "4"
    & skf21("2","3","1","5","2","4","3","1") = "4"
    & skf21("2","3","1","5","2","4","4","1") = "4"
    & skf21("2","3","1","5","2","4","5","1") = "4"
    & skf21("2","3","1","5","2","4","6","1") = "5"
    & skf21("2","3","1","5","2","4","7","1") = "6"
    & skf21("2","3","1","5","2","5","1","1") = "4"
    & skf21("2","3","1","5","2","5","2","1") = "4"
    & skf21("2","3","1","5","2","5","3","1") = "4"
    & skf21("2","3","1","5","2","5","4","1") = "4"
    & skf21("2","3","1","5","2","5","5","1") = "4"
    & skf21("2","3","1","5","2","5","6","1") = "5"
    & skf21("2","3","1","5","2","5","7","1") = "6"
    & skf21("2","3","1","5","2","6","1","1") = "5"
    & skf21("2","3","1","5","2","6","2","1") = "5"
    & skf21("2","3","1","5","2","6","3","1") = "5"
    & skf21("2","3","1","5","2","6","4","1") = "5"
    & skf21("2","3","1","5","2","6","5","1") = "5"
    & skf21("2","3","1","5","2","6","6","1") = "5"
    & skf21("2","3","1","5","2","6","7","1") = "6"
    & skf21("2","3","1","5","2","7","1","1") = "6"
    & skf21("2","3","1","5","2","7","2","1") = "6"
    & skf21("2","3","1","5","2","7","3","1") = "6"
    & skf21("2","3","1","5","2","7","4","1") = "6"
    & skf21("2","3","1","5","2","7","5","1") = "6"
    & skf21("2","3","1","5","2","7","6","1") = "6"
    & skf21("2","3","1","5","2","7","7","1") = "6"
    & skf21("2","3","1","5","3","1","1","1") = "4"
    & skf21("2","3","1","5","3","1","2","1") = "4"
    & skf21("2","3","1","5","3","1","3","1") = "4"
    & skf21("2","3","1","5","3","1","4","1") = "4"
    & skf21("2","3","1","5","3","1","5","1") = "4"
    & skf21("2","3","1","5","3","1","6","1") = "5"
    & skf21("2","3","1","5","3","1","7","1") = "6"
    & skf21("2","3","1","5","3","2","1","1") = "4"
    & skf21("2","3","1","5","3","2","2","1") = "4"
    & skf21("2","3","1","5","3","2","3","1") = "4"
    & skf21("2","3","1","5","3","2","4","1") = "4"
    & skf21("2","3","1","5","3","2","5","1") = "4"
    & skf21("2","3","1","5","3","2","6","1") = "5"
    & skf21("2","3","1","5","3","2","7","1") = "6"
    & skf21("2","3","1","5","3","3","1","1") = "4"
    & skf21("2","3","1","5","3","3","2","1") = "4"
    & skf21("2","3","1","5","3","3","3","1") = "4"
    & skf21("2","3","1","5","3","3","4","1") = "4"
    & skf21("2","3","1","5","3","3","5","1") = "4"
    & skf21("2","3","1","5","3","3","6","1") = "5"
    & skf21("2","3","1","5","3","3","7","1") = "6"
    & skf21("2","3","1","5","3","4","1","1") = "4"
    & skf21("2","3","1","5","3","4","2","1") = "4"
    & skf21("2","3","1","5","3","4","3","1") = "4"
    & skf21("2","3","1","5","3","4","4","1") = "4"
    & skf21("2","3","1","5","3","4","5","1") = "4"
    & skf21("2","3","1","5","3","4","6","1") = "5"
    & skf21("2","3","1","5","3","4","7","1") = "6"
    & skf21("2","3","1","5","3","5","1","1") = "4"
    & skf21("2","3","1","5","3","5","2","1") = "4"
    & skf21("2","3","1","5","3","5","3","1") = "4"
    & skf21("2","3","1","5","3","5","4","1") = "4"
    & skf21("2","3","1","5","3","5","5","1") = "4"
    & skf21("2","3","1","5","3","5","6","1") = "5"
    & skf21("2","3","1","5","3","5","7","1") = "6"
    & skf21("2","3","1","5","3","6","1","1") = "5"
    & skf21("2","3","1","5","3","6","2","1") = "5"
    & skf21("2","3","1","5","3","6","3","1") = "5"
    & skf21("2","3","1","5","3","6","4","1") = "5"
    & skf21("2","3","1","5","3","6","5","1") = "5"
    & skf21("2","3","1","5","3","6","6","1") = "5"
    & skf21("2","3","1","5","3","6","7","1") = "6"
    & skf21("2","3","1","5","3","7","1","1") = "6"
    & skf21("2","3","1","5","3","7","2","1") = "6"
    & skf21("2","3","1","5","3","7","3","1") = "6"
    & skf21("2","3","1","5","3","7","4","1") = "6"
    & skf21("2","3","1","5","3","7","5","1") = "6"
    & skf21("2","3","1","5","3","7","6","1") = "6"
    & skf21("2","3","1","5","3","7","7","1") = "6"
    & skf21("2","3","1","5","4","1","1","1") = "4"
    & skf21("2","3","1","5","4","1","2","1") = "4"
    & skf21("2","3","1","5","4","1","3","1") = "4"
    & skf21("2","3","1","5","4","1","4","1") = "4"
    & skf21("2","3","1","5","4","1","5","1") = "4"
    & skf21("2","3","1","5","4","1","6","1") = "5"
    & skf21("2","3","1","5","4","1","7","1") = "6"
    & skf21("2","3","1","5","4","2","1","1") = "4"
    & skf21("2","3","1","5","4","2","2","1") = "4"
    & skf21("2","3","1","5","4","2","3","1") = "4"
    & skf21("2","3","1","5","4","2","4","1") = "4"
    & skf21("2","3","1","5","4","2","5","1") = "4"
    & skf21("2","3","1","5","4","2","6","1") = "5"
    & skf21("2","3","1","5","4","2","7","1") = "6"
    & skf21("2","3","1","5","4","3","1","1") = "4"
    & skf21("2","3","1","5","4","3","2","1") = "4"
    & skf21("2","3","1","5","4","3","3","1") = "4"
    & skf21("2","3","1","5","4","3","4","1") = "4"
    & skf21("2","3","1","5","4","3","5","1") = "4"
    & skf21("2","3","1","5","4","3","6","1") = "5"
    & skf21("2","3","1","5","4","3","7","1") = "6"
    & skf21("2","3","1","5","4","4","1","1") = "4"
    & skf21("2","3","1","5","4","4","2","1") = "4"
    & skf21("2","3","1","5","4","4","3","1") = "4"
    & skf21("2","3","1","5","4","4","4","1") = "4"
    & skf21("2","3","1","5","4","4","5","1") = "4"
    & skf21("2","3","1","5","4","4","6","1") = "5"
    & skf21("2","3","1","5","4","4","7","1") = "6"
    & skf21("2","3","1","5","4","5","1","1") = "4"
    & skf21("2","3","1","5","4","5","2","1") = "4"
    & skf21("2","3","1","5","4","5","3","1") = "4"
    & skf21("2","3","1","5","4","5","4","1") = "4"
    & skf21("2","3","1","5","4","5","5","1") = "4"
    & skf21("2","3","1","5","4","5","6","1") = "5"
    & skf21("2","3","1","5","4","5","7","1") = "6"
    & skf21("2","3","1","5","4","6","1","1") = "5"
    & skf21("2","3","1","5","4","6","2","1") = "5"
    & skf21("2","3","1","5","4","6","3","1") = "5"
    & skf21("2","3","1","5","4","6","4","1") = "5"
    & skf21("2","3","1","5","4","6","5","1") = "5"
    & skf21("2","3","1","5","4","6","6","1") = "5"
    & skf21("2","3","1","5","4","6","7","1") = "6"
    & skf21("2","3","1","5","4","7","1","1") = "6"
    & skf21("2","3","1","5","4","7","2","1") = "6"
    & skf21("2","3","1","5","4","7","3","1") = "6"
    & skf21("2","3","1","5","4","7","4","1") = "6"
    & skf21("2","3","1","5","4","7","5","1") = "6"
    & skf21("2","3","1","5","4","7","6","1") = "6"
    & skf21("2","3","1","5","4","7","7","1") = "6"
    & skf21("2","3","1","5","5","1","1","1") = "4"
    & skf21("2","3","1","5","5","1","2","1") = "4"
    & skf21("2","3","1","5","5","1","3","1") = "4"
    & skf21("2","3","1","5","5","1","4","1") = "4"
    & skf21("2","3","1","5","5","1","5","1") = "4"
    & skf21("2","3","1","5","5","1","6","1") = "5"
    & skf21("2","3","1","5","5","1","7","1") = "6"
    & skf21("2","3","1","5","5","2","1","1") = "4"
    & skf21("2","3","1","5","5","2","2","1") = "4"
    & skf21("2","3","1","5","5","2","3","1") = "4"
    & skf21("2","3","1","5","5","2","4","1") = "4"
    & skf21("2","3","1","5","5","2","5","1") = "4"
    & skf21("2","3","1","5","5","2","6","1") = "5"
    & skf21("2","3","1","5","5","2","7","1") = "6"
    & skf21("2","3","1","5","5","3","1","1") = "4"
    & skf21("2","3","1","5","5","3","2","1") = "4"
    & skf21("2","3","1","5","5","3","3","1") = "4"
    & skf21("2","3","1","5","5","3","4","1") = "4"
    & skf21("2","3","1","5","5","3","5","1") = "4"
    & skf21("2","3","1","5","5","3","6","1") = "5"
    & skf21("2","3","1","5","5","3","7","1") = "6"
    & skf21("2","3","1","5","5","4","1","1") = "4"
    & skf21("2","3","1","5","5","4","2","1") = "4"
    & skf21("2","3","1","5","5","4","3","1") = "4"
    & skf21("2","3","1","5","5","4","4","1") = "4"
    & skf21("2","3","1","5","5","4","5","1") = "4"
    & skf21("2","3","1","5","5","4","6","1") = "5"
    & skf21("2","3","1","5","5","4","7","1") = "6"
    & skf21("2","3","1","5","5","5","1","1") = "4"
    & skf21("2","3","1","5","5","5","2","1") = "4"
    & skf21("2","3","1","5","5","5","3","1") = "4"
    & skf21("2","3","1","5","5","5","4","1") = "4"
    & skf21("2","3","1","5","5","5","5","1") = "4"
    & skf21("2","3","1","5","5","5","6","1") = "5"
    & skf21("2","3","1","5","5","5","7","1") = "6"
    & skf21("2","3","1","5","5","6","1","1") = "5"
    & skf21("2","3","1","5","5","6","2","1") = "5"
    & skf21("2","3","1","5","5","6","3","1") = "5"
    & skf21("2","3","1","5","5","6","4","1") = "5"
    & skf21("2","3","1","5","5","6","5","1") = "5"
    & skf21("2","3","1","5","5","6","6","1") = "5"
    & skf21("2","3","1","5","5","6","7","1") = "6"
    & skf21("2","3","1","5","5","7","1","1") = "6"
    & skf21("2","3","1","5","5","7","2","1") = "6"
    & skf21("2","3","1","5","5","7","3","1") = "6"
    & skf21("2","3","1","5","5","7","4","1") = "6"
    & skf21("2","3","1","5","5","7","5","1") = "6"
    & skf21("2","3","1","5","5","7","6","1") = "6"
    & skf21("2","3","1","5","5","7","7","1") = "6"
    & skf21("2","3","1","5","6","1","1","1") = "5"
    & skf21("2","3","1","5","6","1","2","1") = "5"
    & skf21("2","3","1","5","6","1","3","1") = "5"
    & skf21("2","3","1","5","6","1","4","1") = "5"
    & skf21("2","3","1","5","6","1","5","1") = "5"
    & skf21("2","3","1","5","6","1","6","1") = "5"
    & skf21("2","3","1","5","6","1","7","1") = "6"
    & skf21("2","3","1","5","6","2","1","1") = "5"
    & skf21("2","3","1","5","6","2","2","1") = "5"
    & skf21("2","3","1","5","6","2","3","1") = "5"
    & skf21("2","3","1","5","6","2","4","1") = "5"
    & skf21("2","3","1","5","6","2","5","1") = "5"
    & skf21("2","3","1","5","6","2","6","1") = "5"
    & skf21("2","3","1","5","6","2","7","1") = "6"
    & skf21("2","3","1","5","6","3","1","1") = "5"
    & skf21("2","3","1","5","6","3","2","1") = "5"
    & skf21("2","3","1","5","6","3","3","1") = "5"
    & skf21("2","3","1","5","6","3","4","1") = "5"
    & skf21("2","3","1","5","6","3","5","1") = "5"
    & skf21("2","3","1","5","6","3","6","1") = "5"
    & skf21("2","3","1","5","6","3","7","1") = "6"
    & skf21("2","3","1","5","6","4","1","1") = "5"
    & skf21("2","3","1","5","6","4","2","1") = "5"
    & skf21("2","3","1","5","6","4","3","1") = "5"
    & skf21("2","3","1","5","6","4","4","1") = "5"
    & skf21("2","3","1","5","6","4","5","1") = "5"
    & skf21("2","3","1","5","6","4","6","1") = "5"
    & skf21("2","3","1","5","6","4","7","1") = "6"
    & skf21("2","3","1","5","6","5","1","1") = "5"
    & skf21("2","3","1","5","6","5","2","1") = "5"
    & skf21("2","3","1","5","6","5","3","1") = "5"
    & skf21("2","3","1","5","6","5","4","1") = "5"
    & skf21("2","3","1","5","6","5","5","1") = "5"
    & skf21("2","3","1","5","6","5","6","1") = "5"
    & skf21("2","3","1","5","6","5","7","1") = "6"
    & skf21("2","3","1","5","6","6","1","1") = "5"
    & skf21("2","3","1","5","6","6","2","1") = "5"
    & skf21("2","3","1","5","6","6","3","1") = "5"
    & skf21("2","3","1","5","6","6","4","1") = "5"
    & skf21("2","3","1","5","6","6","5","1") = "5"
    & skf21("2","3","1","5","6","6","6","1") = "5"
    & skf21("2","3","1","5","6","6","7","1") = "6"
    & skf21("2","3","1","5","6","7","1","1") = "6"
    & skf21("2","3","1","5","6","7","2","1") = "6"
    & skf21("2","3","1","5","6","7","3","1") = "6"
    & skf21("2","3","1","5","6","7","4","1") = "6"
    & skf21("2","3","1","5","6","7","5","1") = "6"
    & skf21("2","3","1","5","6","7","6","1") = "6"
    & skf21("2","3","1","5","6","7","7","1") = "6"
    & skf21("2","3","1","5","7","1","1","1") = "6"
    & skf21("2","3","1","5","7","1","2","1") = "6"
    & skf21("2","3","1","5","7","1","3","1") = "6"
    & skf21("2","3","1","5","7","1","4","1") = "6"
    & skf21("2","3","1","5","7","1","5","1") = "6"
    & skf21("2","3","1","5","7","1","6","1") = "6"
    & skf21("2","3","1","5","7","1","7","1") = "6"
    & skf21("2","3","1","5","7","2","1","1") = "6"
    & skf21("2","3","1","5","7","2","2","1") = "6"
    & skf21("2","3","1","5","7","2","3","1") = "6"
    & skf21("2","3","1","5","7","2","4","1") = "6"
    & skf21("2","3","1","5","7","2","5","1") = "6"
    & skf21("2","3","1","5","7","2","6","1") = "6"
    & skf21("2","3","1","5","7","2","7","1") = "6"
    & skf21("2","3","1","5","7","3","1","1") = "6"
    & skf21("2","3","1","5","7","3","2","1") = "6"
    & skf21("2","3","1","5","7","3","3","1") = "6"
    & skf21("2","3","1","5","7","3","4","1") = "6"
    & skf21("2","3","1","5","7","3","5","1") = "6"
    & skf21("2","3","1","5","7","3","6","1") = "6"
    & skf21("2","3","1","5","7","3","7","1") = "6"
    & skf21("2","3","1","5","7","4","1","1") = "6"
    & skf21("2","3","1","5","7","4","2","1") = "6"
    & skf21("2","3","1","5","7","4","3","1") = "6"
    & skf21("2","3","1","5","7","4","4","1") = "6"
    & skf21("2","3","1","5","7","4","5","1") = "6"
    & skf21("2","3","1","5","7","4","6","1") = "6"
    & skf21("2","3","1","5","7","4","7","1") = "6"
    & skf21("2","3","1","5","7","5","1","1") = "6"
    & skf21("2","3","1","5","7","5","2","1") = "6"
    & skf21("2","3","1","5","7","5","3","1") = "6"
    & skf21("2","3","1","5","7","5","4","1") = "6"
    & skf21("2","3","1","5","7","5","5","1") = "6"
    & skf21("2","3","1","5","7","5","6","1") = "6"
    & skf21("2","3","1","5","7","5","7","1") = "6"
    & skf21("2","3","1","5","7","6","1","1") = "6"
    & skf21("2","3","1","5","7","6","2","1") = "6"
    & skf21("2","3","1","5","7","6","3","1") = "6"
    & skf21("2","3","1","5","7","6","4","1") = "6"
    & skf21("2","3","1","5","7","6","5","1") = "6"
    & skf21("2","3","1","5","7","6","6","1") = "6"
    & skf21("2","3","1","5","7","6","7","1") = "6"
    & skf21("2","3","1","5","7","7","1","1") = "6"
    & skf21("2","3","1","5","7","7","2","1") = "6"
    & skf21("2","3","1","5","7","7","3","1") = "6"
    & skf21("2","3","1","5","7","7","4","1") = "6"
    & skf21("2","3","1","5","7","7","5","1") = "6"
    & skf21("2","3","1","5","7","7","6","1") = "6"
    & skf21("2","3","1","5","7","7","7","1") = "6"
    & skf21("2","3","1","6","1","1","1","1") = "5"
    & skf21("2","3","1","6","1","1","2","1") = "5"
    & skf21("2","3","1","6","1","1","3","1") = "5"
    & skf21("2","3","1","6","1","1","4","1") = "5"
    & skf21("2","3","1","6","1","1","5","1") = "5"
    & skf21("2","3","1","6","1","1","6","1") = "5"
    & skf21("2","3","1","6","1","1","7","1") = "6"
    & skf21("2","3","1","6","1","2","1","1") = "5"
    & skf21("2","3","1","6","1","2","2","1") = "5"
    & skf21("2","3","1","6","1","2","3","1") = "5"
    & skf21("2","3","1","6","1","2","4","1") = "5"
    & skf21("2","3","1","6","1","2","5","1") = "5"
    & skf21("2","3","1","6","1","2","6","1") = "5"
    & skf21("2","3","1","6","1","2","7","1") = "6"
    & skf21("2","3","1","6","1","3","1","1") = "5"
    & skf21("2","3","1","6","1","3","2","1") = "5"
    & skf21("2","3","1","6","1","3","3","1") = "5"
    & skf21("2","3","1","6","1","3","4","1") = "5"
    & skf21("2","3","1","6","1","3","5","1") = "5"
    & skf21("2","3","1","6","1","3","6","1") = "5"
    & skf21("2","3","1","6","1","3","7","1") = "6"
    & skf21("2","3","1","6","1","4","1","1") = "5"
    & skf21("2","3","1","6","1","4","2","1") = "5"
    & skf21("2","3","1","6","1","4","3","1") = "5"
    & skf21("2","3","1","6","1","4","4","1") = "5"
    & skf21("2","3","1","6","1","4","5","1") = "5"
    & skf21("2","3","1","6","1","4","6","1") = "5"
    & skf21("2","3","1","6","1","4","7","1") = "6"
    & skf21("2","3","1","6","1","5","1","1") = "5"
    & skf21("2","3","1","6","1","5","2","1") = "5"
    & skf21("2","3","1","6","1","5","3","1") = "5"
    & skf21("2","3","1","6","1","5","4","1") = "5"
    & skf21("2","3","1","6","1","5","5","1") = "5"
    & skf21("2","3","1","6","1","5","6","1") = "5"
    & skf21("2","3","1","6","1","5","7","1") = "6"
    & skf21("2","3","1","6","1","6","1","1") = "5"
    & skf21("2","3","1","6","1","6","2","1") = "5"
    & skf21("2","3","1","6","1","6","3","1") = "5"
    & skf21("2","3","1","6","1","6","4","1") = "5"
    & skf21("2","3","1","6","1","6","5","1") = "5"
    & skf21("2","3","1","6","1","6","6","1") = "5"
    & skf21("2","3","1","6","1","6","7","1") = "6"
    & skf21("2","3","1","6","1","7","1","1") = "6"
    & skf21("2","3","1","6","1","7","2","1") = "6"
    & skf21("2","3","1","6","1","7","3","1") = "6"
    & skf21("2","3","1","6","1","7","4","1") = "6"
    & skf21("2","3","1","6","1","7","5","1") = "6"
    & skf21("2","3","1","6","1","7","6","1") = "6"
    & skf21("2","3","1","6","1","7","7","1") = "6"
    & skf21("2","3","1","6","2","1","1","1") = "5"
    & skf21("2","3","1","6","2","1","2","1") = "5"
    & skf21("2","3","1","6","2","1","3","1") = "5"
    & skf21("2","3","1","6","2","1","4","1") = "5"
    & skf21("2","3","1","6","2","1","5","1") = "5"
    & skf21("2","3","1","6","2","1","6","1") = "5"
    & skf21("2","3","1","6","2","1","7","1") = "6"
    & skf21("2","3","1","6","2","2","1","1") = "5"
    & skf21("2","3","1","6","2","2","2","1") = "5"
    & skf21("2","3","1","6","2","2","3","1") = "5"
    & skf21("2","3","1","6","2","2","4","1") = "5"
    & skf21("2","3","1","6","2","2","5","1") = "5"
    & skf21("2","3","1","6","2","2","6","1") = "5"
    & skf21("2","3","1","6","2","2","7","1") = "6"
    & skf21("2","3","1","6","2","3","1","1") = "5"
    & skf21("2","3","1","6","2","3","2","1") = "5"
    & skf21("2","3","1","6","2","3","3","1") = "5"
    & skf21("2","3","1","6","2","3","4","1") = "5"
    & skf21("2","3","1","6","2","3","5","1") = "5"
    & skf21("2","3","1","6","2","3","6","1") = "5"
    & skf21("2","3","1","6","2","3","7","1") = "6"
    & skf21("2","3","1","6","2","4","1","1") = "5"
    & skf21("2","3","1","6","2","4","2","1") = "5"
    & skf21("2","3","1","6","2","4","3","1") = "5"
    & skf21("2","3","1","6","2","4","4","1") = "5"
    & skf21("2","3","1","6","2","4","5","1") = "5"
    & skf21("2","3","1","6","2","4","6","1") = "5"
    & skf21("2","3","1","6","2","4","7","1") = "6"
    & skf21("2","3","1","6","2","5","1","1") = "5"
    & skf21("2","3","1","6","2","5","2","1") = "5"
    & skf21("2","3","1","6","2","5","3","1") = "5"
    & skf21("2","3","1","6","2","5","4","1") = "5"
    & skf21("2","3","1","6","2","5","5","1") = "5"
    & skf21("2","3","1","6","2","5","6","1") = "5"
    & skf21("2","3","1","6","2","5","7","1") = "6"
    & skf21("2","3","1","6","2","6","1","1") = "5"
    & skf21("2","3","1","6","2","6","2","1") = "5"
    & skf21("2","3","1","6","2","6","3","1") = "5"
    & skf21("2","3","1","6","2","6","4","1") = "5"
    & skf21("2","3","1","6","2","6","5","1") = "5"
    & skf21("2","3","1","6","2","6","6","1") = "5"
    & skf21("2","3","1","6","2","6","7","1") = "6"
    & skf21("2","3","1","6","2","7","1","1") = "6"
    & skf21("2","3","1","6","2","7","2","1") = "6"
    & skf21("2","3","1","6","2","7","3","1") = "6"
    & skf21("2","3","1","6","2","7","4","1") = "6"
    & skf21("2","3","1","6","2","7","5","1") = "6"
    & skf21("2","3","1","6","2","7","6","1") = "6"
    & skf21("2","3","1","6","2","7","7","1") = "6"
    & skf21("2","3","1","6","3","1","1","1") = "5"
    & skf21("2","3","1","6","3","1","2","1") = "5"
    & skf21("2","3","1","6","3","1","3","1") = "5"
    & skf21("2","3","1","6","3","1","4","1") = "5"
    & skf21("2","3","1","6","3","1","5","1") = "5"
    & skf21("2","3","1","6","3","1","6","1") = "5"
    & skf21("2","3","1","6","3","1","7","1") = "6"
    & skf21("2","3","1","6","3","2","1","1") = "5"
    & skf21("2","3","1","6","3","2","2","1") = "5"
    & skf21("2","3","1","6","3","2","3","1") = "5"
    & skf21("2","3","1","6","3","2","4","1") = "5"
    & skf21("2","3","1","6","3","2","5","1") = "5"
    & skf21("2","3","1","6","3","2","6","1") = "5"
    & skf21("2","3","1","6","3","2","7","1") = "6"
    & skf21("2","3","1","6","3","3","1","1") = "5"
    & skf21("2","3","1","6","3","3","2","1") = "5"
    & skf21("2","3","1","6","3","3","3","1") = "5"
    & skf21("2","3","1","6","3","3","4","1") = "5"
    & skf21("2","3","1","6","3","3","5","1") = "5"
    & skf21("2","3","1","6","3","3","6","1") = "5"
    & skf21("2","3","1","6","3","3","7","1") = "6"
    & skf21("2","3","1","6","3","4","1","1") = "5"
    & skf21("2","3","1","6","3","4","2","1") = "5"
    & skf21("2","3","1","6","3","4","3","1") = "5"
    & skf21("2","3","1","6","3","4","4","1") = "5"
    & skf21("2","3","1","6","3","4","5","1") = "5"
    & skf21("2","3","1","6","3","4","6","1") = "5"
    & skf21("2","3","1","6","3","4","7","1") = "6"
    & skf21("2","3","1","6","3","5","1","1") = "5"
    & skf21("2","3","1","6","3","5","2","1") = "5"
    & skf21("2","3","1","6","3","5","3","1") = "5"
    & skf21("2","3","1","6","3","5","4","1") = "5"
    & skf21("2","3","1","6","3","5","5","1") = "5"
    & skf21("2","3","1","6","3","5","6","1") = "5"
    & skf21("2","3","1","6","3","5","7","1") = "6"
    & skf21("2","3","1","6","3","6","1","1") = "5"
    & skf21("2","3","1","6","3","6","2","1") = "5"
    & skf21("2","3","1","6","3","6","3","1") = "5"
    & skf21("2","3","1","6","3","6","4","1") = "5"
    & skf21("2","3","1","6","3","6","5","1") = "5"
    & skf21("2","3","1","6","3","6","6","1") = "5"
    & skf21("2","3","1","6","3","6","7","1") = "6"
    & skf21("2","3","1","6","3","7","1","1") = "6"
    & skf21("2","3","1","6","3","7","2","1") = "6"
    & skf21("2","3","1","6","3","7","3","1") = "6"
    & skf21("2","3","1","6","3","7","4","1") = "6"
    & skf21("2","3","1","6","3","7","5","1") = "6"
    & skf21("2","3","1","6","3","7","6","1") = "6"
    & skf21("2","3","1","6","3","7","7","1") = "6"
    & skf21("2","3","1","6","4","1","1","1") = "5"
    & skf21("2","3","1","6","4","1","2","1") = "5"
    & skf21("2","3","1","6","4","1","3","1") = "5"
    & skf21("2","3","1","6","4","1","4","1") = "5"
    & skf21("2","3","1","6","4","1","5","1") = "5"
    & skf21("2","3","1","6","4","1","6","1") = "5"
    & skf21("2","3","1","6","4","1","7","1") = "6"
    & skf21("2","3","1","6","4","2","1","1") = "5"
    & skf21("2","3","1","6","4","2","2","1") = "5"
    & skf21("2","3","1","6","4","2","3","1") = "5"
    & skf21("2","3","1","6","4","2","4","1") = "5"
    & skf21("2","3","1","6","4","2","5","1") = "5"
    & skf21("2","3","1","6","4","2","6","1") = "5"
    & skf21("2","3","1","6","4","2","7","1") = "6"
    & skf21("2","3","1","6","4","3","1","1") = "5"
    & skf21("2","3","1","6","4","3","2","1") = "5"
    & skf21("2","3","1","6","4","3","3","1") = "5"
    & skf21("2","3","1","6","4","3","4","1") = "5"
    & skf21("2","3","1","6","4","3","5","1") = "5"
    & skf21("2","3","1","6","4","3","6","1") = "5"
    & skf21("2","3","1","6","4","3","7","1") = "6"
    & skf21("2","3","1","6","4","4","1","1") = "5"
    & skf21("2","3","1","6","4","4","2","1") = "5"
    & skf21("2","3","1","6","4","4","3","1") = "5"
    & skf21("2","3","1","6","4","4","4","1") = "5"
    & skf21("2","3","1","6","4","4","5","1") = "5"
    & skf21("2","3","1","6","4","4","6","1") = "5"
    & skf21("2","3","1","6","4","4","7","1") = "6"
    & skf21("2","3","1","6","4","5","1","1") = "5"
    & skf21("2","3","1","6","4","5","2","1") = "5"
    & skf21("2","3","1","6","4","5","3","1") = "5"
    & skf21("2","3","1","6","4","5","4","1") = "5"
    & skf21("2","3","1","6","4","5","5","1") = "5"
    & skf21("2","3","1","6","4","5","6","1") = "5"
    & skf21("2","3","1","6","4","5","7","1") = "6"
    & skf21("2","3","1","6","4","6","1","1") = "5"
    & skf21("2","3","1","6","4","6","2","1") = "5"
    & skf21("2","3","1","6","4","6","3","1") = "5"
    & skf21("2","3","1","6","4","6","4","1") = "5"
    & skf21("2","3","1","6","4","6","5","1") = "5"
    & skf21("2","3","1","6","4","6","6","1") = "5"
    & skf21("2","3","1","6","4","6","7","1") = "6"
    & skf21("2","3","1","6","4","7","1","1") = "6"
    & skf21("2","3","1","6","4","7","2","1") = "6"
    & skf21("2","3","1","6","4","7","3","1") = "6"
    & skf21("2","3","1","6","4","7","4","1") = "6"
    & skf21("2","3","1","6","4","7","5","1") = "6"
    & skf21("2","3","1","6","4","7","6","1") = "6"
    & skf21("2","3","1","6","4","7","7","1") = "6"
    & skf21("2","3","1","6","5","1","1","1") = "5"
    & skf21("2","3","1","6","5","1","2","1") = "5"
    & skf21("2","3","1","6","5","1","3","1") = "5"
    & skf21("2","3","1","6","5","1","4","1") = "5"
    & skf21("2","3","1","6","5","1","5","1") = "5"
    & skf21("2","3","1","6","5","1","6","1") = "5"
    & skf21("2","3","1","6","5","1","7","1") = "6"
    & skf21("2","3","1","6","5","2","1","1") = "5"
    & skf21("2","3","1","6","5","2","2","1") = "5"
    & skf21("2","3","1","6","5","2","3","1") = "5"
    & skf21("2","3","1","6","5","2","4","1") = "5"
    & skf21("2","3","1","6","5","2","5","1") = "5"
    & skf21("2","3","1","6","5","2","6","1") = "5"
    & skf21("2","3","1","6","5","2","7","1") = "6"
    & skf21("2","3","1","6","5","3","1","1") = "5"
    & skf21("2","3","1","6","5","3","2","1") = "5"
    & skf21("2","3","1","6","5","3","3","1") = "5"
    & skf21("2","3","1","6","5","3","4","1") = "5"
    & skf21("2","3","1","6","5","3","5","1") = "5"
    & skf21("2","3","1","6","5","3","6","1") = "5"
    & skf21("2","3","1","6","5","3","7","1") = "6"
    & skf21("2","3","1","6","5","4","1","1") = "5"
    & skf21("2","3","1","6","5","4","2","1") = "5"
    & skf21("2","3","1","6","5","4","3","1") = "5"
    & skf21("2","3","1","6","5","4","4","1") = "5"
    & skf21("2","3","1","6","5","4","5","1") = "5"
    & skf21("2","3","1","6","5","4","6","1") = "5"
    & skf21("2","3","1","6","5","4","7","1") = "6"
    & skf21("2","3","1","6","5","5","1","1") = "5"
    & skf21("2","3","1","6","5","5","2","1") = "5"
    & skf21("2","3","1","6","5","5","3","1") = "5"
    & skf21("2","3","1","6","5","5","4","1") = "5"
    & skf21("2","3","1","6","5","5","5","1") = "5"
    & skf21("2","3","1","6","5","5","6","1") = "5"
    & skf21("2","3","1","6","5","5","7","1") = "6"
    & skf21("2","3","1","6","5","6","1","1") = "5"
    & skf21("2","3","1","6","5","6","2","1") = "5"
    & skf21("2","3","1","6","5","6","3","1") = "5"
    & skf21("2","3","1","6","5","6","4","1") = "5"
    & skf21("2","3","1","6","5","6","5","1") = "5"
    & skf21("2","3","1","6","5","6","6","1") = "5"
    & skf21("2","3","1","6","5","6","7","1") = "6"
    & skf21("2","3","1","6","5","7","1","1") = "6"
    & skf21("2","3","1","6","5","7","2","1") = "6"
    & skf21("2","3","1","6","5","7","3","1") = "6"
    & skf21("2","3","1","6","5","7","4","1") = "6"
    & skf21("2","3","1","6","5","7","5","1") = "6"
    & skf21("2","3","1","6","5","7","6","1") = "6"
    & skf21("2","3","1","6","5","7","7","1") = "6"
    & skf21("2","3","1","6","6","1","1","1") = "5"
    & skf21("2","3","1","6","6","1","2","1") = "5"
    & skf21("2","3","1","6","6","1","3","1") = "5"
    & skf21("2","3","1","6","6","1","4","1") = "5"
    & skf21("2","3","1","6","6","1","5","1") = "5"
    & skf21("2","3","1","6","6","1","6","1") = "5"
    & skf21("2","3","1","6","6","1","7","1") = "6"
    & skf21("2","3","1","6","6","2","1","1") = "5"
    & skf21("2","3","1","6","6","2","2","1") = "5"
    & skf21("2","3","1","6","6","2","3","1") = "5"
    & skf21("2","3","1","6","6","2","4","1") = "5"
    & skf21("2","3","1","6","6","2","5","1") = "5"
    & skf21("2","3","1","6","6","2","6","1") = "5"
    & skf21("2","3","1","6","6","2","7","1") = "6"
    & skf21("2","3","1","6","6","3","1","1") = "5"
    & skf21("2","3","1","6","6","3","2","1") = "5"
    & skf21("2","3","1","6","6","3","3","1") = "5"
    & skf21("2","3","1","6","6","3","4","1") = "5"
    & skf21("2","3","1","6","6","3","5","1") = "5"
    & skf21("2","3","1","6","6","3","6","1") = "5"
    & skf21("2","3","1","6","6","3","7","1") = "6"
    & skf21("2","3","1","6","6","4","1","1") = "5"
    & skf21("2","3","1","6","6","4","2","1") = "5"
    & skf21("2","3","1","6","6","4","3","1") = "5"
    & skf21("2","3","1","6","6","4","4","1") = "5"
    & skf21("2","3","1","6","6","4","5","1") = "5"
    & skf21("2","3","1","6","6","4","6","1") = "5"
    & skf21("2","3","1","6","6","4","7","1") = "6"
    & skf21("2","3","1","6","6","5","1","1") = "5"
    & skf21("2","3","1","6","6","5","2","1") = "5"
    & skf21("2","3","1","6","6","5","3","1") = "5"
    & skf21("2","3","1","6","6","5","4","1") = "5"
    & skf21("2","3","1","6","6","5","5","1") = "5"
    & skf21("2","3","1","6","6","5","6","1") = "5"
    & skf21("2","3","1","6","6","5","7","1") = "6"
    & skf21("2","3","1","6","6","6","1","1") = "5"
    & skf21("2","3","1","6","6","6","2","1") = "5"
    & skf21("2","3","1","6","6","6","3","1") = "5"
    & skf21("2","3","1","6","6","6","4","1") = "5"
    & skf21("2","3","1","6","6","6","5","1") = "5"
    & skf21("2","3","1","6","6","6","6","1") = "5"
    & skf21("2","3","1","6","6","6","7","1") = "6"
    & skf21("2","3","1","6","6","7","1","1") = "6"
    & skf21("2","3","1","6","6","7","2","1") = "6"
    & skf21("2","3","1","6","6","7","3","1") = "6"
    & skf21("2","3","1","6","6","7","4","1") = "6"
    & skf21("2","3","1","6","6","7","5","1") = "6"
    & skf21("2","3","1","6","6","7","6","1") = "6"
    & skf21("2","3","1","6","6","7","7","1") = "6"
    & skf21("2","3","1","6","7","1","1","1") = "6"
    & skf21("2","3","1","6","7","1","2","1") = "6"
    & skf21("2","3","1","6","7","1","3","1") = "6"
    & skf21("2","3","1","6","7","1","4","1") = "6"
    & skf21("2","3","1","6","7","1","5","1") = "6"
    & skf21("2","3","1","6","7","1","6","1") = "6"
    & skf21("2","3","1","6","7","1","7","1") = "6"
    & skf21("2","3","1","6","7","2","1","1") = "6"
    & skf21("2","3","1","6","7","2","2","1") = "6"
    & skf21("2","3","1","6","7","2","3","1") = "6"
    & skf21("2","3","1","6","7","2","4","1") = "6"
    & skf21("2","3","1","6","7","2","5","1") = "6"
    & skf21("2","3","1","6","7","2","6","1") = "6"
    & skf21("2","3","1","6","7","2","7","1") = "6"
    & skf21("2","3","1","6","7","3","1","1") = "6"
    & skf21("2","3","1","6","7","3","2","1") = "6"
    & skf21("2","3","1","6","7","3","3","1") = "6"
    & skf21("2","3","1","6","7","3","4","1") = "6"
    & skf21("2","3","1","6","7","3","5","1") = "6"
    & skf21("2","3","1","6","7","3","6","1") = "6"
    & skf21("2","3","1","6","7","3","7","1") = "6"
    & skf21("2","3","1","6","7","4","1","1") = "6"
    & skf21("2","3","1","6","7","4","2","1") = "6"
    & skf21("2","3","1","6","7","4","3","1") = "6"
    & skf21("2","3","1","6","7","4","4","1") = "6"
    & skf21("2","3","1","6","7","4","5","1") = "6"
    & skf21("2","3","1","6","7","4","6","1") = "6"
    & skf21("2","3","1","6","7","4","7","1") = "6"
    & skf21("2","3","1","6","7","5","1","1") = "6"
    & skf21("2","3","1","6","7","5","2","1") = "6"
    & skf21("2","3","1","6","7","5","3","1") = "6"
    & skf21("2","3","1","6","7","5","4","1") = "6"
    & skf21("2","3","1","6","7","5","5","1") = "6"
    & skf21("2","3","1","6","7","5","6","1") = "6"
    & skf21("2","3","1","6","7","5","7","1") = "6"
    & skf21("2","3","1","6","7","6","1","1") = "6"
    & skf21("2","3","1","6","7","6","2","1") = "6"
    & skf21("2","3","1","6","7","6","3","1") = "6"
    & skf21("2","3","1","6","7","6","4","1") = "6"
    & skf21("2","3","1","6","7","6","5","1") = "6"
    & skf21("2","3","1","6","7","6","6","1") = "6"
    & skf21("2","3","1","6","7","6","7","1") = "6"
    & skf21("2","3","1","6","7","7","1","1") = "6"
    & skf21("2","3","1","6","7","7","2","1") = "6"
    & skf21("2","3","1","6","7","7","3","1") = "6"
    & skf21("2","3","1","6","7","7","4","1") = "6"
    & skf21("2","3","1","6","7","7","5","1") = "6"
    & skf21("2","3","1","6","7","7","6","1") = "6"
    & skf21("2","3","1","6","7","7","7","1") = "6"
    & skf21("2","3","1","7","1","1","1","1") = "6"
    & skf21("2","3","1","7","1","1","2","1") = "6"
    & skf21("2","3","1","7","1","1","3","1") = "6"
    & skf21("2","3","1","7","1","1","4","1") = "6"
    & skf21("2","3","1","7","1","1","5","1") = "6"
    & skf21("2","3","1","7","1","1","6","1") = "6"
    & skf21("2","3","1","7","1","1","7","1") = "6"
    & skf21("2","3","1","7","1","2","1","1") = "6"
    & skf21("2","3","1","7","1","2","2","1") = "6"
    & skf21("2","3","1","7","1","2","3","1") = "6"
    & skf21("2","3","1","7","1","2","4","1") = "6"
    & skf21("2","3","1","7","1","2","5","1") = "6"
    & skf21("2","3","1","7","1","2","6","1") = "6"
    & skf21("2","3","1","7","1","2","7","1") = "6"
    & skf21("2","3","1","7","1","3","1","1") = "6"
    & skf21("2","3","1","7","1","3","2","1") = "6"
    & skf21("2","3","1","7","1","3","3","1") = "6"
    & skf21("2","3","1","7","1","3","4","1") = "6"
    & skf21("2","3","1","7","1","3","5","1") = "6"
    & skf21("2","3","1","7","1","3","6","1") = "6"
    & skf21("2","3","1","7","1","3","7","1") = "6"
    & skf21("2","3","1","7","1","4","1","1") = "6"
    & skf21("2","3","1","7","1","4","2","1") = "6"
    & skf21("2","3","1","7","1","4","3","1") = "6"
    & skf21("2","3","1","7","1","4","4","1") = "6"
    & skf21("2","3","1","7","1","4","5","1") = "6"
    & skf21("2","3","1","7","1","4","6","1") = "6"
    & skf21("2","3","1","7","1","4","7","1") = "6"
    & skf21("2","3","1","7","1","5","1","1") = "6"
    & skf21("2","3","1","7","1","5","2","1") = "6"
    & skf21("2","3","1","7","1","5","3","1") = "6"
    & skf21("2","3","1","7","1","5","4","1") = "6"
    & skf21("2","3","1","7","1","5","5","1") = "6"
    & skf21("2","3","1","7","1","5","6","1") = "6"
    & skf21("2","3","1","7","1","5","7","1") = "6"
    & skf21("2","3","1","7","1","6","1","1") = "6"
    & skf21("2","3","1","7","1","6","2","1") = "6"
    & skf21("2","3","1","7","1","6","3","1") = "6"
    & skf21("2","3","1","7","1","6","4","1") = "6"
    & skf21("2","3","1","7","1","6","5","1") = "6"
    & skf21("2","3","1","7","1","6","6","1") = "6"
    & skf21("2","3","1","7","1","6","7","1") = "6"
    & skf21("2","3","1","7","1","7","1","1") = "6"
    & skf21("2","3","1","7","1","7","2","1") = "6"
    & skf21("2","3","1","7","1","7","3","1") = "6"
    & skf21("2","3","1","7","1","7","4","1") = "6"
    & skf21("2","3","1","7","1","7","5","1") = "6"
    & skf21("2","3","1","7","1","7","6","1") = "6"
    & skf21("2","3","1","7","1","7","7","1") = "6"
    & skf21("2","3","1","7","2","1","1","1") = "6"
    & skf21("2","3","1","7","2","1","2","1") = "6"
    & skf21("2","3","1","7","2","1","3","1") = "6"
    & skf21("2","3","1","7","2","1","4","1") = "6"
    & skf21("2","3","1","7","2","1","5","1") = "6"
    & skf21("2","3","1","7","2","1","6","1") = "6"
    & skf21("2","3","1","7","2","1","7","1") = "6"
    & skf21("2","3","1","7","2","2","1","1") = "6"
    & skf21("2","3","1","7","2","2","2","1") = "6"
    & skf21("2","3","1","7","2","2","3","1") = "6"
    & skf21("2","3","1","7","2","2","4","1") = "6"
    & skf21("2","3","1","7","2","2","5","1") = "6"
    & skf21("2","3","1","7","2","2","6","1") = "6"
    & skf21("2","3","1","7","2","2","7","1") = "6"
    & skf21("2","3","1","7","2","3","1","1") = "6"
    & skf21("2","3","1","7","2","3","2","1") = "6"
    & skf21("2","3","1","7","2","3","3","1") = "6"
    & skf21("2","3","1","7","2","3","4","1") = "6"
    & skf21("2","3","1","7","2","3","5","1") = "6"
    & skf21("2","3","1","7","2","3","6","1") = "6"
    & skf21("2","3","1","7","2","3","7","1") = "6"
    & skf21("2","3","1","7","2","4","1","1") = "6"
    & skf21("2","3","1","7","2","4","2","1") = "6"
    & skf21("2","3","1","7","2","4","3","1") = "6"
    & skf21("2","3","1","7","2","4","4","1") = "6"
    & skf21("2","3","1","7","2","4","5","1") = "6"
    & skf21("2","3","1","7","2","4","6","1") = "6"
    & skf21("2","3","1","7","2","4","7","1") = "6"
    & skf21("2","3","1","7","2","5","1","1") = "6"
    & skf21("2","3","1","7","2","5","2","1") = "6"
    & skf21("2","3","1","7","2","5","3","1") = "6"
    & skf21("2","3","1","7","2","5","4","1") = "6"
    & skf21("2","3","1","7","2","5","5","1") = "6"
    & skf21("2","3","1","7","2","5","6","1") = "6"
    & skf21("2","3","1","7","2","5","7","1") = "6"
    & skf21("2","3","1","7","2","6","1","1") = "6"
    & skf21("2","3","1","7","2","6","2","1") = "6"
    & skf21("2","3","1","7","2","6","3","1") = "6"
    & skf21("2","3","1","7","2","6","4","1") = "6"
    & skf21("2","3","1","7","2","6","5","1") = "6"
    & skf21("2","3","1","7","2","6","6","1") = "6"
    & skf21("2","3","1","7","2","6","7","1") = "6"
    & skf21("2","3","1","7","2","7","1","1") = "6"
    & skf21("2","3","1","7","2","7","2","1") = "6"
    & skf21("2","3","1","7","2","7","3","1") = "6"
    & skf21("2","3","1","7","2","7","4","1") = "6"
    & skf21("2","3","1","7","2","7","5","1") = "6"
    & skf21("2","3","1","7","2","7","6","1") = "6"
    & skf21("2","3","1","7","2","7","7","1") = "6"
    & skf21("2","3","1","7","3","1","1","1") = "6"
    & skf21("2","3","1","7","3","1","2","1") = "6"
    & skf21("2","3","1","7","3","1","3","1") = "6"
    & skf21("2","3","1","7","3","1","4","1") = "6"
    & skf21("2","3","1","7","3","1","5","1") = "6"
    & skf21("2","3","1","7","3","1","6","1") = "6"
    & skf21("2","3","1","7","3","1","7","1") = "6"
    & skf21("2","3","1","7","3","2","1","1") = "6"
    & skf21("2","3","1","7","3","2","2","1") = "6"
    & skf21("2","3","1","7","3","2","3","1") = "6"
    & skf21("2","3","1","7","3","2","4","1") = "6"
    & skf21("2","3","1","7","3","2","5","1") = "6"
    & skf21("2","3","1","7","3","2","6","1") = "6"
    & skf21("2","3","1","7","3","2","7","1") = "6"
    & skf21("2","3","1","7","3","3","1","1") = "6"
    & skf21("2","3","1","7","3","3","2","1") = "6"
    & skf21("2","3","1","7","3","3","3","1") = "6"
    & skf21("2","3","1","7","3","3","4","1") = "6"
    & skf21("2","3","1","7","3","3","5","1") = "6"
    & skf21("2","3","1","7","3","3","6","1") = "6"
    & skf21("2","3","1","7","3","3","7","1") = "6"
    & skf21("2","3","1","7","3","4","1","1") = "6"
    & skf21("2","3","1","7","3","4","2","1") = "6"
    & skf21("2","3","1","7","3","4","3","1") = "6"
    & skf21("2","3","1","7","3","4","4","1") = "6"
    & skf21("2","3","1","7","3","4","5","1") = "6"
    & skf21("2","3","1","7","3","4","6","1") = "6"
    & skf21("2","3","1","7","3","4","7","1") = "6"
    & skf21("2","3","1","7","3","5","1","1") = "6"
    & skf21("2","3","1","7","3","5","2","1") = "6"
    & skf21("2","3","1","7","3","5","3","1") = "6"
    & skf21("2","3","1","7","3","5","4","1") = "6"
    & skf21("2","3","1","7","3","5","5","1") = "6"
    & skf21("2","3","1","7","3","5","6","1") = "6"
    & skf21("2","3","1","7","3","5","7","1") = "6"
    & skf21("2","3","1","7","3","6","1","1") = "6"
    & skf21("2","3","1","7","3","6","2","1") = "6"
    & skf21("2","3","1","7","3","6","3","1") = "6"
    & skf21("2","3","1","7","3","6","4","1") = "6"
    & skf21("2","3","1","7","3","6","5","1") = "6"
    & skf21("2","3","1","7","3","6","6","1") = "6"
    & skf21("2","3","1","7","3","6","7","1") = "6"
    & skf21("2","3","1","7","3","7","1","1") = "6"
    & skf21("2","3","1","7","3","7","2","1") = "6"
    & skf21("2","3","1","7","3","7","3","1") = "6"
    & skf21("2","3","1","7","3","7","4","1") = "6"
    & skf21("2","3","1","7","3","7","5","1") = "6"
    & skf21("2","3","1","7","3","7","6","1") = "6"
    & skf21("2","3","1","7","3","7","7","1") = "6"
    & skf21("2","3","1","7","4","1","1","1") = "6"
    & skf21("2","3","1","7","4","1","2","1") = "6"
    & skf21("2","3","1","7","4","1","3","1") = "6"
    & skf21("2","3","1","7","4","1","4","1") = "6"
    & skf21("2","3","1","7","4","1","5","1") = "6"
    & skf21("2","3","1","7","4","1","6","1") = "6"
    & skf21("2","3","1","7","4","1","7","1") = "6"
    & skf21("2","3","1","7","4","2","1","1") = "6"
    & skf21("2","3","1","7","4","2","2","1") = "6"
    & skf21("2","3","1","7","4","2","3","1") = "6"
    & skf21("2","3","1","7","4","2","4","1") = "6"
    & skf21("2","3","1","7","4","2","5","1") = "6"
    & skf21("2","3","1","7","4","2","6","1") = "6"
    & skf21("2","3","1","7","4","2","7","1") = "6"
    & skf21("2","3","1","7","4","3","1","1") = "6"
    & skf21("2","3","1","7","4","3","2","1") = "6"
    & skf21("2","3","1","7","4","3","3","1") = "6"
    & skf21("2","3","1","7","4","3","4","1") = "6"
    & skf21("2","3","1","7","4","3","5","1") = "6"
    & skf21("2","3","1","7","4","3","6","1") = "6"
    & skf21("2","3","1","7","4","3","7","1") = "6"
    & skf21("2","3","1","7","4","4","1","1") = "6"
    & skf21("2","3","1","7","4","4","2","1") = "6"
    & skf21("2","3","1","7","4","4","3","1") = "6"
    & skf21("2","3","1","7","4","4","4","1") = "6"
    & skf21("2","3","1","7","4","4","5","1") = "6"
    & skf21("2","3","1","7","4","4","6","1") = "6"
    & skf21("2","3","1","7","4","4","7","1") = "6"
    & skf21("2","3","1","7","4","5","1","1") = "6"
    & skf21("2","3","1","7","4","5","2","1") = "6"
    & skf21("2","3","1","7","4","5","3","1") = "6"
    & skf21("2","3","1","7","4","5","4","1") = "6"
    & skf21("2","3","1","7","4","5","5","1") = "6"
    & skf21("2","3","1","7","4","5","6","1") = "6"
    & skf21("2","3","1","7","4","5","7","1") = "6"
    & skf21("2","3","1","7","4","6","1","1") = "6"
    & skf21("2","3","1","7","4","6","2","1") = "6"
    & skf21("2","3","1","7","4","6","3","1") = "6"
    & skf21("2","3","1","7","4","6","4","1") = "6"
    & skf21("2","3","1","7","4","6","5","1") = "6"
    & skf21("2","3","1","7","4","6","6","1") = "6"
    & skf21("2","3","1","7","4","6","7","1") = "6"
    & skf21("2","3","1","7","4","7","1","1") = "6"
    & skf21("2","3","1","7","4","7","2","1") = "6"
    & skf21("2","3","1","7","4","7","3","1") = "6"
    & skf21("2","3","1","7","4","7","4","1") = "6"
    & skf21("2","3","1","7","4","7","5","1") = "6"
    & skf21("2","3","1","7","4","7","6","1") = "6"
    & skf21("2","3","1","7","4","7","7","1") = "6"
    & skf21("2","3","1","7","5","1","1","1") = "6"
    & skf21("2","3","1","7","5","1","2","1") = "6"
    & skf21("2","3","1","7","5","1","3","1") = "6"
    & skf21("2","3","1","7","5","1","4","1") = "6"
    & skf21("2","3","1","7","5","1","5","1") = "6"
    & skf21("2","3","1","7","5","1","6","1") = "6"
    & skf21("2","3","1","7","5","1","7","1") = "6"
    & skf21("2","3","1","7","5","2","1","1") = "6"
    & skf21("2","3","1","7","5","2","2","1") = "6"
    & skf21("2","3","1","7","5","2","3","1") = "6"
    & skf21("2","3","1","7","5","2","4","1") = "6"
    & skf21("2","3","1","7","5","2","5","1") = "6"
    & skf21("2","3","1","7","5","2","6","1") = "6"
    & skf21("2","3","1","7","5","2","7","1") = "6"
    & skf21("2","3","1","7","5","3","1","1") = "6"
    & skf21("2","3","1","7","5","3","2","1") = "6"
    & skf21("2","3","1","7","5","3","3","1") = "6"
    & skf21("2","3","1","7","5","3","4","1") = "6"
    & skf21("2","3","1","7","5","3","5","1") = "6"
    & skf21("2","3","1","7","5","3","6","1") = "6"
    & skf21("2","3","1","7","5","3","7","1") = "6"
    & skf21("2","3","1","7","5","4","1","1") = "6"
    & skf21("2","3","1","7","5","4","2","1") = "6"
    & skf21("2","3","1","7","5","4","3","1") = "6"
    & skf21("2","3","1","7","5","4","4","1") = "6"
    & skf21("2","3","1","7","5","4","5","1") = "6"
    & skf21("2","3","1","7","5","4","6","1") = "6"
    & skf21("2","3","1","7","5","4","7","1") = "6"
    & skf21("2","3","1","7","5","5","1","1") = "6"
    & skf21("2","3","1","7","5","5","2","1") = "6"
    & skf21("2","3","1","7","5","5","3","1") = "6"
    & skf21("2","3","1","7","5","5","4","1") = "6"
    & skf21("2","3","1","7","5","5","5","1") = "6"
    & skf21("2","3","1","7","5","5","6","1") = "6"
    & skf21("2","3","1","7","5","5","7","1") = "6"
    & skf21("2","3","1","7","5","6","1","1") = "6"
    & skf21("2","3","1","7","5","6","2","1") = "6"
    & skf21("2","3","1","7","5","6","3","1") = "6"
    & skf21("2","3","1","7","5","6","4","1") = "6"
    & skf21("2","3","1","7","5","6","5","1") = "6"
    & skf21("2","3","1","7","5","6","6","1") = "6"
    & skf21("2","3","1","7","5","6","7","1") = "6"
    & skf21("2","3","1","7","5","7","1","1") = "6"
    & skf21("2","3","1","7","5","7","2","1") = "6"
    & skf21("2","3","1","7","5","7","3","1") = "6"
    & skf21("2","3","1","7","5","7","4","1") = "6"
    & skf21("2","3","1","7","5","7","5","1") = "6"
    & skf21("2","3","1","7","5","7","6","1") = "6"
    & skf21("2","3","1","7","5","7","7","1") = "6"
    & skf21("2","3","1","7","6","1","1","1") = "6"
    & skf21("2","3","1","7","6","1","2","1") = "6"
    & skf21("2","3","1","7","6","1","3","1") = "6"
    & skf21("2","3","1","7","6","1","4","1") = "6"
    & skf21("2","3","1","7","6","1","5","1") = "6"
    & skf21("2","3","1","7","6","1","6","1") = "6"
    & skf21("2","3","1","7","6","1","7","1") = "6"
    & skf21("2","3","1","7","6","2","1","1") = "6"
    & skf21("2","3","1","7","6","2","2","1") = "6"
    & skf21("2","3","1","7","6","2","3","1") = "6"
    & skf21("2","3","1","7","6","2","4","1") = "6"
    & skf21("2","3","1","7","6","2","5","1") = "6"
    & skf21("2","3","1","7","6","2","6","1") = "6"
    & skf21("2","3","1","7","6","2","7","1") = "6"
    & skf21("2","3","1","7","6","3","1","1") = "6"
    & skf21("2","3","1","7","6","3","2","1") = "6"
    & skf21("2","3","1","7","6","3","3","1") = "6"
    & skf21("2","3","1","7","6","3","4","1") = "6"
    & skf21("2","3","1","7","6","3","5","1") = "6"
    & skf21("2","3","1","7","6","3","6","1") = "6"
    & skf21("2","3","1","7","6","3","7","1") = "6"
    & skf21("2","3","1","7","6","4","1","1") = "6"
    & skf21("2","3","1","7","6","4","2","1") = "6"
    & skf21("2","3","1","7","6","4","3","1") = "6"
    & skf21("2","3","1","7","6","4","4","1") = "6"
    & skf21("2","3","1","7","6","4","5","1") = "6"
    & skf21("2","3","1","7","6","4","6","1") = "6"
    & skf21("2","3","1","7","6","4","7","1") = "6"
    & skf21("2","3","1","7","6","5","1","1") = "6"
    & skf21("2","3","1","7","6","5","2","1") = "6"
    & skf21("2","3","1","7","6","5","3","1") = "6"
    & skf21("2","3","1","7","6","5","4","1") = "6"
    & skf21("2","3","1","7","6","5","5","1") = "6"
    & skf21("2","3","1","7","6","5","6","1") = "6"
    & skf21("2","3","1","7","6","5","7","1") = "6"
    & skf21("2","3","1","7","6","6","1","1") = "6"
    & skf21("2","3","1","7","6","6","2","1") = "6"
    & skf21("2","3","1","7","6","6","3","1") = "6"
    & skf21("2","3","1","7","6","6","4","1") = "6"
    & skf21("2","3","1","7","6","6","5","1") = "6"
    & skf21("2","3","1","7","6","6","6","1") = "6"
    & skf21("2","3","1","7","6","6","7","1") = "6"
    & skf21("2","3","1","7","6","7","1","1") = "6"
    & skf21("2","3","1","7","6","7","2","1") = "6"
    & skf21("2","3","1","7","6","7","3","1") = "6"
    & skf21("2","3","1","7","6","7","4","1") = "6"
    & skf21("2","3","1","7","6","7","5","1") = "6"
    & skf21("2","3","1","7","6","7","6","1") = "6"
    & skf21("2","3","1","7","6","7","7","1") = "6"
    & skf21("2","3","1","7","7","1","1","1") = "6"
    & skf21("2","3","1","7","7","1","2","1") = "6"
    & skf21("2","3","1","7","7","1","3","1") = "6"
    & skf21("2","3","1","7","7","1","4","1") = "6"
    & skf21("2","3","1","7","7","1","5","1") = "6"
    & skf21("2","3","1","7","7","1","6","1") = "6"
    & skf21("2","3","1","7","7","1","7","1") = "6"
    & skf21("2","3","1","7","7","2","1","1") = "6"
    & skf21("2","3","1","7","7","2","2","1") = "6"
    & skf21("2","3","1","7","7","2","3","1") = "6"
    & skf21("2","3","1","7","7","2","4","1") = "6"
    & skf21("2","3","1","7","7","2","5","1") = "6"
    & skf21("2","3","1","7","7","2","6","1") = "6"
    & skf21("2","3","1","7","7","2","7","1") = "6"
    & skf21("2","3","1","7","7","3","1","1") = "6"
    & skf21("2","3","1","7","7","3","2","1") = "6"
    & skf21("2","3","1","7","7","3","3","1") = "6"
    & skf21("2","3","1","7","7","3","4","1") = "6"
    & skf21("2","3","1","7","7","3","5","1") = "6"
    & skf21("2","3","1","7","7","3","6","1") = "6"
    & skf21("2","3","1","7","7","3","7","1") = "6"
    & skf21("2","3","1","7","7","4","1","1") = "6"
    & skf21("2","3","1","7","7","4","2","1") = "6"
    & skf21("2","3","1","7","7","4","3","1") = "6"
    & skf21("2","3","1","7","7","4","4","1") = "6"
    & skf21("2","3","1","7","7","4","5","1") = "6"
    & skf21("2","3","1","7","7","4","6","1") = "6"
    & skf21("2","3","1","7","7","4","7","1") = "6"
    & skf21("2","3","1","7","7","5","1","1") = "6"
    & skf21("2","3","1","7","7","5","2","1") = "6"
    & skf21("2","3","1","7","7","5","3","1") = "6"
    & skf21("2","3","1","7","7","5","4","1") = "6"
    & skf21("2","3","1","7","7","5","5","1") = "6"
    & skf21("2","3","1","7","7","5","6","1") = "6"
    & skf21("2","3","1","7","7","5","7","1") = "6"
    & skf21("2","3","1","7","7","6","1","1") = "6"
    & skf21("2","3","1","7","7","6","2","1") = "6"
    & skf21("2","3","1","7","7","6","3","1") = "6"
    & skf21("2","3","1","7","7","6","4","1") = "6"
    & skf21("2","3","1","7","7","6","5","1") = "6"
    & skf21("2","3","1","7","7","6","6","1") = "6"
    & skf21("2","3","1","7","7","6","7","1") = "6"
    & skf21("2","3","1","7","7","7","1","1") = "6"
    & skf21("2","3","1","7","7","7","2","1") = "6"
    & skf21("2","3","1","7","7","7","3","1") = "6"
    & skf21("2","3","1","7","7","7","4","1") = "6"
    & skf21("2","3","1","7","7","7","5","1") = "6"
    & skf21("2","3","1","7","7","7","6","1") = "6"
    & skf21("2","3","1","7","7","7","7","1") = "6"
    & skf21("2","3","2","1","1","1","1","1") = "2"
    & skf21("2","3","2","1","1","1","2","1") = "2"
    & skf21("2","3","2","1","1","1","3","1") = "2"
    & skf21("2","3","2","1","1","1","4","1") = "3"
    & skf21("2","3","2","1","1","1","5","1") = "4"
    & skf21("2","3","2","1","1","1","6","1") = "5"
    & skf21("2","3","2","1","1","1","7","1") = "6"
    & skf21("2","3","2","1","1","2","1","1") = "2"
    & skf21("2","3","2","1","1","2","2","1") = "2"
    & skf21("2","3","2","1","1","2","3","1") = "2"
    & skf21("2","3","2","1","1","2","4","1") = "3"
    & skf21("2","3","2","1","1","2","5","1") = "4"
    & skf21("2","3","2","1","1","2","6","1") = "5"
    & skf21("2","3","2","1","1","2","7","1") = "6"
    & skf21("2","3","2","1","1","3","1","1") = "2"
    & skf21("2","3","2","1","1","3","2","1") = "2"
    & skf21("2","3","2","1","1","3","3","1") = "2"
    & skf21("2","3","2","1","1","3","4","1") = "3"
    & skf21("2","3","2","1","1","3","5","1") = "4"
    & skf21("2","3","2","1","1","3","6","1") = "5"
    & skf21("2","3","2","1","1","3","7","1") = "6"
    & skf21("2","3","2","1","1","4","1","1") = "3"
    & skf21("2","3","2","1","1","4","2","1") = "3"
    & skf21("2","3","2","1","1","4","3","1") = "3"
    & skf21("2","3","2","1","1","4","4","1") = "3"
    & skf21("2","3","2","1","1","4","5","1") = "4"
    & skf21("2","3","2","1","1","4","6","1") = "5"
    & skf21("2","3","2","1","1","4","7","1") = "6"
    & skf21("2","3","2","1","1","5","1","1") = "4"
    & skf21("2","3","2","1","1","5","2","1") = "4"
    & skf21("2","3","2","1","1","5","3","1") = "4"
    & skf21("2","3","2","1","1","5","4","1") = "4"
    & skf21("2","3","2","1","1","5","5","1") = "4"
    & skf21("2","3","2","1","1","5","6","1") = "5"
    & skf21("2","3","2","1","1","5","7","1") = "6"
    & skf21("2","3","2","1","1","6","1","1") = "5"
    & skf21("2","3","2","1","1","6","2","1") = "5"
    & skf21("2","3","2","1","1","6","3","1") = "5"
    & skf21("2","3","2","1","1","6","4","1") = "5"
    & skf21("2","3","2","1","1","6","5","1") = "5"
    & skf21("2","3","2","1","1","6","6","1") = "5"
    & skf21("2","3","2","1","1","6","7","1") = "6"
    & skf21("2","3","2","1","1","7","1","1") = "6"
    & skf21("2","3","2","1","1","7","2","1") = "6"
    & skf21("2","3","2","1","1","7","3","1") = "6"
    & skf21("2","3","2","1","1","7","4","1") = "6"
    & skf21("2","3","2","1","1","7","5","1") = "6"
    & skf21("2","3","2","1","1","7","6","1") = "6"
    & skf21("2","3","2","1","1","7","7","1") = "6"
    & skf21("2","3","2","1","2","1","1","1") = "2"
    & skf21("2","3","2","1","2","1","2","1") = "2"
    & skf21("2","3","2","1","2","1","3","1") = "2"
    & skf21("2","3","2","1","2","1","4","1") = "3"
    & skf21("2","3","2","1","2","1","5","1") = "4"
    & skf21("2","3","2","1","2","1","6","1") = "5"
    & skf21("2","3","2","1","2","1","7","1") = "6"
    & skf21("2","3","2","1","2","2","1","1") = "2"
    & skf21("2","3","2","1","2","2","2","1") = "2"
    & skf21("2","3","2","1","2","2","3","1") = "2"
    & skf21("2","3","2","1","2","2","4","1") = "3"
    & skf21("2","3","2","1","2","2","5","1") = "4"
    & skf21("2","3","2","1","2","2","6","1") = "5"
    & skf21("2","3","2","1","2","2","7","1") = "6"
    & skf21("2","3","2","1","2","3","1","1") = "2"
    & skf21("2","3","2","1","2","3","2","1") = "2"
    & skf21("2","3","2","1","2","3","3","1") = "2"
    & skf21("2","3","2","1","2","3","4","1") = "3"
    & skf21("2","3","2","1","2","3","5","1") = "4"
    & skf21("2","3","2","1","2","3","6","1") = "5"
    & skf21("2","3","2","1","2","3","7","1") = "6"
    & skf21("2","3","2","1","2","4","1","1") = "3"
    & skf21("2","3","2","1","2","4","2","1") = "3"
    & skf21("2","3","2","1","2","4","3","1") = "3"
    & skf21("2","3","2","1","2","4","4","1") = "3"
    & skf21("2","3","2","1","2","4","5","1") = "4"
    & skf21("2","3","2","1","2","4","6","1") = "5"
    & skf21("2","3","2","1","2","4","7","1") = "6"
    & skf21("2","3","2","1","2","5","1","1") = "4"
    & skf21("2","3","2","1","2","5","2","1") = "4"
    & skf21("2","3","2","1","2","5","3","1") = "4"
    & skf21("2","3","2","1","2","5","4","1") = "4"
    & skf21("2","3","2","1","2","5","5","1") = "4"
    & skf21("2","3","2","1","2","5","6","1") = "5"
    & skf21("2","3","2","1","2","5","7","1") = "6"
    & skf21("2","3","2","1","2","6","1","1") = "5"
    & skf21("2","3","2","1","2","6","2","1") = "5"
    & skf21("2","3","2","1","2","6","3","1") = "5"
    & skf21("2","3","2","1","2","6","4","1") = "5"
    & skf21("2","3","2","1","2","6","5","1") = "5"
    & skf21("2","3","2","1","2","6","6","1") = "5"
    & skf21("2","3","2","1","2","6","7","1") = "6"
    & skf21("2","3","2","1","2","7","1","1") = "6"
    & skf21("2","3","2","1","2","7","2","1") = "6"
    & skf21("2","3","2","1","2","7","3","1") = "6"
    & skf21("2","3","2","1","2","7","4","1") = "6"
    & skf21("2","3","2","1","2","7","5","1") = "6"
    & skf21("2","3","2","1","2","7","6","1") = "6"
    & skf21("2","3","2","1","2","7","7","1") = "6"
    & skf21("2","3","2","1","3","1","1","1") = "2"
    & skf21("2","3","2","1","3","1","2","1") = "2"
    & skf21("2","3","2","1","3","1","3","1") = "2"
    & skf21("2","3","2","1","3","1","4","1") = "3"
    & skf21("2","3","2","1","3","1","5","1") = "4"
    & skf21("2","3","2","1","3","1","6","1") = "5"
    & skf21("2","3","2","1","3","1","7","1") = "6"
    & skf21("2","3","2","1","3","2","1","1") = "2"
    & skf21("2","3","2","1","3","2","2","1") = "2"
    & skf21("2","3","2","1","3","2","3","1") = "2"
    & skf21("2","3","2","1","3","2","4","1") = "3"
    & skf21("2","3","2","1","3","2","5","1") = "4"
    & skf21("2","3","2","1","3","2","6","1") = "5"
    & skf21("2","3","2","1","3","2","7","1") = "6"
    & skf21("2","3","2","1","3","3","1","1") = "2"
    & skf21("2","3","2","1","3","3","2","1") = "2"
    & skf21("2","3","2","1","3","3","3","1") = "2"
    & skf21("2","3","2","1","3","3","4","1") = "3"
    & skf21("2","3","2","1","3","3","5","1") = "4"
    & skf21("2","3","2","1","3","3","6","1") = "5"
    & skf21("2","3","2","1","3","3","7","1") = "6"
    & skf21("2","3","2","1","3","4","1","1") = "3"
    & skf21("2","3","2","1","3","4","2","1") = "3"
    & skf21("2","3","2","1","3","4","3","1") = "3"
    & skf21("2","3","2","1","3","4","4","1") = "3"
    & skf21("2","3","2","1","3","4","5","1") = "4"
    & skf21("2","3","2","1","3","4","6","1") = "5"
    & skf21("2","3","2","1","3","4","7","1") = "6"
    & skf21("2","3","2","1","3","5","1","1") = "4"
    & skf21("2","3","2","1","3","5","2","1") = "4"
    & skf21("2","3","2","1","3","5","3","1") = "4"
    & skf21("2","3","2","1","3","5","4","1") = "4"
    & skf21("2","3","2","1","3","5","5","1") = "4"
    & skf21("2","3","2","1","3","5","6","1") = "5"
    & skf21("2","3","2","1","3","5","7","1") = "6"
    & skf21("2","3","2","1","3","6","1","1") = "5"
    & skf21("2","3","2","1","3","6","2","1") = "5"
    & skf21("2","3","2","1","3","6","3","1") = "5"
    & skf21("2","3","2","1","3","6","4","1") = "5"
    & skf21("2","3","2","1","3","6","5","1") = "5"
    & skf21("2","3","2","1","3","6","6","1") = "5"
    & skf21("2","3","2","1","3","6","7","1") = "6"
    & skf21("2","3","2","1","3","7","1","1") = "6"
    & skf21("2","3","2","1","3","7","2","1") = "6"
    & skf21("2","3","2","1","3","7","3","1") = "6"
    & skf21("2","3","2","1","3","7","4","1") = "6"
    & skf21("2","3","2","1","3","7","5","1") = "6"
    & skf21("2","3","2","1","3","7","6","1") = "6"
    & skf21("2","3","2","1","3","7","7","1") = "6"
    & skf21("2","3","2","1","4","1","1","1") = "3"
    & skf21("2","3","2","1","4","1","2","1") = "3"
    & skf21("2","3","2","1","4","1","3","1") = "3"
    & skf21("2","3","2","1","4","1","4","1") = "3"
    & skf21("2","3","2","1","4","1","5","1") = "4"
    & skf21("2","3","2","1","4","1","6","1") = "5"
    & skf21("2","3","2","1","4","1","7","1") = "6"
    & skf21("2","3","2","1","4","2","1","1") = "3"
    & skf21("2","3","2","1","4","2","2","1") = "3"
    & skf21("2","3","2","1","4","2","3","1") = "3"
    & skf21("2","3","2","1","4","2","4","1") = "3"
    & skf21("2","3","2","1","4","2","5","1") = "4"
    & skf21("2","3","2","1","4","2","6","1") = "5"
    & skf21("2","3","2","1","4","2","7","1") = "6"
    & skf21("2","3","2","1","4","3","1","1") = "3"
    & skf21("2","3","2","1","4","3","2","1") = "3"
    & skf21("2","3","2","1","4","3","3","1") = "3"
    & skf21("2","3","2","1","4","3","4","1") = "3"
    & skf21("2","3","2","1","4","3","5","1") = "4"
    & skf21("2","3","2","1","4","3","6","1") = "5"
    & skf21("2","3","2","1","4","3","7","1") = "6"
    & skf21("2","3","2","1","4","4","1","1") = "3"
    & skf21("2","3","2","1","4","4","2","1") = "3"
    & skf21("2","3","2","1","4","4","3","1") = "3"
    & skf21("2","3","2","1","4","4","4","1") = "3"
    & skf21("2","3","2","1","4","4","5","1") = "4"
    & skf21("2","3","2","1","4","4","6","1") = "5"
    & skf21("2","3","2","1","4","4","7","1") = "6"
    & skf21("2","3","2","1","4","5","1","1") = "4"
    & skf21("2","3","2","1","4","5","2","1") = "4"
    & skf21("2","3","2","1","4","5","3","1") = "4"
    & skf21("2","3","2","1","4","5","4","1") = "4"
    & skf21("2","3","2","1","4","5","5","1") = "4"
    & skf21("2","3","2","1","4","5","6","1") = "5"
    & skf21("2","3","2","1","4","5","7","1") = "6"
    & skf21("2","3","2","1","4","6","1","1") = "5"
    & skf21("2","3","2","1","4","6","2","1") = "5"
    & skf21("2","3","2","1","4","6","3","1") = "5"
    & skf21("2","3","2","1","4","6","4","1") = "5"
    & skf21("2","3","2","1","4","6","5","1") = "5"
    & skf21("2","3","2","1","4","6","6","1") = "5"
    & skf21("2","3","2","1","4","6","7","1") = "6"
    & skf21("2","3","2","1","4","7","1","1") = "6"
    & skf21("2","3","2","1","4","7","2","1") = "6"
    & skf21("2","3","2","1","4","7","3","1") = "6"
    & skf21("2","3","2","1","4","7","4","1") = "6"
    & skf21("2","3","2","1","4","7","5","1") = "6"
    & skf21("2","3","2","1","4","7","6","1") = "6"
    & skf21("2","3","2","1","4","7","7","1") = "6"
    & skf21("2","3","2","1","5","1","1","1") = "4"
    & skf21("2","3","2","1","5","1","2","1") = "4"
    & skf21("2","3","2","1","5","1","3","1") = "4"
    & skf21("2","3","2","1","5","1","4","1") = "4"
    & skf21("2","3","2","1","5","1","5","1") = "4"
    & skf21("2","3","2","1","5","1","6","1") = "5"
    & skf21("2","3","2","1","5","1","7","1") = "6"
    & skf21("2","3","2","1","5","2","1","1") = "4"
    & skf21("2","3","2","1","5","2","2","1") = "4"
    & skf21("2","3","2","1","5","2","3","1") = "4"
    & skf21("2","3","2","1","5","2","4","1") = "4"
    & skf21("2","3","2","1","5","2","5","1") = "4"
    & skf21("2","3","2","1","5","2","6","1") = "5"
    & skf21("2","3","2","1","5","2","7","1") = "6"
    & skf21("2","3","2","1","5","3","1","1") = "4"
    & skf21("2","3","2","1","5","3","2","1") = "4"
    & skf21("2","3","2","1","5","3","3","1") = "4"
    & skf21("2","3","2","1","5","3","4","1") = "4"
    & skf21("2","3","2","1","5","3","5","1") = "4"
    & skf21("2","3","2","1","5","3","6","1") = "5"
    & skf21("2","3","2","1","5","3","7","1") = "6"
    & skf21("2","3","2","1","5","4","1","1") = "4"
    & skf21("2","3","2","1","5","4","2","1") = "4"
    & skf21("2","3","2","1","5","4","3","1") = "4"
    & skf21("2","3","2","1","5","4","4","1") = "4"
    & skf21("2","3","2","1","5","4","5","1") = "4"
    & skf21("2","3","2","1","5","4","6","1") = "5"
    & skf21("2","3","2","1","5","4","7","1") = "6"
    & skf21("2","3","2","1","5","5","1","1") = "4"
    & skf21("2","3","2","1","5","5","2","1") = "4"
    & skf21("2","3","2","1","5","5","3","1") = "4"
    & skf21("2","3","2","1","5","5","4","1") = "4"
    & skf21("2","3","2","1","5","5","5","1") = "4"
    & skf21("2","3","2","1","5","5","6","1") = "5"
    & skf21("2","3","2","1","5","5","7","1") = "6"
    & skf21("2","3","2","1","5","6","1","1") = "5"
    & skf21("2","3","2","1","5","6","2","1") = "5"
    & skf21("2","3","2","1","5","6","3","1") = "5"
    & skf21("2","3","2","1","5","6","4","1") = "5"
    & skf21("2","3","2","1","5","6","5","1") = "5"
    & skf21("2","3","2","1","5","6","6","1") = "5"
    & skf21("2","3","2","1","5","6","7","1") = "6"
    & skf21("2","3","2","1","5","7","1","1") = "6"
    & skf21("2","3","2","1","5","7","2","1") = "6"
    & skf21("2","3","2","1","5","7","3","1") = "6"
    & skf21("2","3","2","1","5","7","4","1") = "6"
    & skf21("2","3","2","1","5","7","5","1") = "6"
    & skf21("2","3","2","1","5","7","6","1") = "6"
    & skf21("2","3","2","1","5","7","7","1") = "6"
    & skf21("2","3","2","1","6","1","1","1") = "5"
    & skf21("2","3","2","1","6","1","2","1") = "5"
    & skf21("2","3","2","1","6","1","3","1") = "5"
    & skf21("2","3","2","1","6","1","4","1") = "5"
    & skf21("2","3","2","1","6","1","5","1") = "5"
    & skf21("2","3","2","1","6","1","6","1") = "5"
    & skf21("2","3","2","1","6","1","7","1") = "6"
    & skf21("2","3","2","1","6","2","1","1") = "5"
    & skf21("2","3","2","1","6","2","2","1") = "5"
    & skf21("2","3","2","1","6","2","3","1") = "5"
    & skf21("2","3","2","1","6","2","4","1") = "5"
    & skf21("2","3","2","1","6","2","5","1") = "5"
    & skf21("2","3","2","1","6","2","6","1") = "5"
    & skf21("2","3","2","1","6","2","7","1") = "6"
    & skf21("2","3","2","1","6","3","1","1") = "5"
    & skf21("2","3","2","1","6","3","2","1") = "5"
    & skf21("2","3","2","1","6","3","3","1") = "5"
    & skf21("2","3","2","1","6","3","4","1") = "5"
    & skf21("2","3","2","1","6","3","5","1") = "5"
    & skf21("2","3","2","1","6","3","6","1") = "5"
    & skf21("2","3","2","1","6","3","7","1") = "6"
    & skf21("2","3","2","1","6","4","1","1") = "5"
    & skf21("2","3","2","1","6","4","2","1") = "5"
    & skf21("2","3","2","1","6","4","3","1") = "5"
    & skf21("2","3","2","1","6","4","4","1") = "5"
    & skf21("2","3","2","1","6","4","5","1") = "5"
    & skf21("2","3","2","1","6","4","6","1") = "5"
    & skf21("2","3","2","1","6","4","7","1") = "6"
    & skf21("2","3","2","1","6","5","1","1") = "5"
    & skf21("2","3","2","1","6","5","2","1") = "5"
    & skf21("2","3","2","1","6","5","3","1") = "5"
    & skf21("2","3","2","1","6","5","4","1") = "5"
    & skf21("2","3","2","1","6","5","5","1") = "5"
    & skf21("2","3","2","1","6","5","6","1") = "5"
    & skf21("2","3","2","1","6","5","7","1") = "6"
    & skf21("2","3","2","1","6","6","1","1") = "5"
    & skf21("2","3","2","1","6","6","2","1") = "5"
    & skf21("2","3","2","1","6","6","3","1") = "5"
    & skf21("2","3","2","1","6","6","4","1") = "5"
    & skf21("2","3","2","1","6","6","5","1") = "5"
    & skf21("2","3","2","1","6","6","6","1") = "5"
    & skf21("2","3","2","1","6","6","7","1") = "6"
    & skf21("2","3","2","1","6","7","1","1") = "6"
    & skf21("2","3","2","1","6","7","2","1") = "6"
    & skf21("2","3","2","1","6","7","3","1") = "6"
    & skf21("2","3","2","1","6","7","4","1") = "6"
    & skf21("2","3","2","1","6","7","5","1") = "6"
    & skf21("2","3","2","1","6","7","6","1") = "6"
    & skf21("2","3","2","1","6","7","7","1") = "6"
    & skf21("2","3","2","1","7","1","1","1") = "6"
    & skf21("2","3","2","1","7","1","2","1") = "6"
    & skf21("2","3","2","1","7","1","3","1") = "6"
    & skf21("2","3","2","1","7","1","4","1") = "6"
    & skf21("2","3","2","1","7","1","5","1") = "6"
    & skf21("2","3","2","1","7","1","6","1") = "6"
    & skf21("2","3","2","1","7","1","7","1") = "6"
    & skf21("2","3","2","1","7","2","1","1") = "6"
    & skf21("2","3","2","1","7","2","2","1") = "6"
    & skf21("2","3","2","1","7","2","3","1") = "6"
    & skf21("2","3","2","1","7","2","4","1") = "6"
    & skf21("2","3","2","1","7","2","5","1") = "6"
    & skf21("2","3","2","1","7","2","6","1") = "6"
    & skf21("2","3","2","1","7","2","7","1") = "6"
    & skf21("2","3","2","1","7","3","1","1") = "6"
    & skf21("2","3","2","1","7","3","2","1") = "6"
    & skf21("2","3","2","1","7","3","3","1") = "6"
    & skf21("2","3","2","1","7","3","4","1") = "6"
    & skf21("2","3","2","1","7","3","5","1") = "6"
    & skf21("2","3","2","1","7","3","6","1") = "6"
    & skf21("2","3","2","1","7","3","7","1") = "6"
    & skf21("2","3","2","1","7","4","1","1") = "6"
    & skf21("2","3","2","1","7","4","2","1") = "6"
    & skf21("2","3","2","1","7","4","3","1") = "6"
    & skf21("2","3","2","1","7","4","4","1") = "6"
    & skf21("2","3","2","1","7","4","5","1") = "6"
    & skf21("2","3","2","1","7","4","6","1") = "6"
    & skf21("2","3","2","1","7","4","7","1") = "6"
    & skf21("2","3","2","1","7","5","1","1") = "6"
    & skf21("2","3","2","1","7","5","2","1") = "6"
    & skf21("2","3","2","1","7","5","3","1") = "6"
    & skf21("2","3","2","1","7","5","4","1") = "6"
    & skf21("2","3","2","1","7","5","5","1") = "6"
    & skf21("2","3","2","1","7","5","6","1") = "6"
    & skf21("2","3","2","1","7","5","7","1") = "6"
    & skf21("2","3","2","1","7","6","1","1") = "6"
    & skf21("2","3","2","1","7","6","2","1") = "6"
    & skf21("2","3","2","1","7","6","3","1") = "6"
    & skf21("2","3","2","1","7","6","4","1") = "6"
    & skf21("2","3","2","1","7","6","5","1") = "6"
    & skf21("2","3","2","1","7","6","6","1") = "6"
    & skf21("2","3","2","1","7","6","7","1") = "6"
    & skf21("2","3","2","1","7","7","1","1") = "6"
    & skf21("2","3","2","1","7","7","2","1") = "6"
    & skf21("2","3","2","1","7","7","3","1") = "6"
    & skf21("2","3","2","1","7","7","4","1") = "6"
    & skf21("2","3","2","1","7","7","5","1") = "6"
    & skf21("2","3","2","1","7","7","6","1") = "6"
    & skf21("2","3","2","1","7","7","7","1") = "6"
    & skf21("2","3","2","2","1","1","1","1") = "2"
    & skf21("2","3","2","2","1","1","2","1") = "2"
    & skf21("2","3","2","2","1","1","3","1") = "2"
    & skf21("2","3","2","2","1","1","4","1") = "3"
    & skf21("2","3","2","2","1","1","5","1") = "4"
    & skf21("2","3","2","2","1","1","6","1") = "5"
    & skf21("2","3","2","2","1","1","7","1") = "6"
    & skf21("2","3","2","2","1","2","1","1") = "2"
    & skf21("2","3","2","2","1","2","2","1") = "2"
    & skf21("2","3","2","2","1","2","3","1") = "2"
    & skf21("2","3","2","2","1","2","4","1") = "3"
    & skf21("2","3","2","2","1","2","5","1") = "4"
    & skf21("2","3","2","2","1","2","6","1") = "5"
    & skf21("2","3","2","2","1","2","7","1") = "6"
    & skf21("2","3","2","2","1","3","1","1") = "2"
    & skf21("2","3","2","2","1","3","2","1") = "2"
    & skf21("2","3","2","2","1","3","3","1") = "2"
    & skf21("2","3","2","2","1","3","4","1") = "3"
    & skf21("2","3","2","2","1","3","5","1") = "4"
    & skf21("2","3","2","2","1","3","6","1") = "5"
    & skf21("2","3","2","2","1","3","7","1") = "6"
    & skf21("2","3","2","2","1","4","1","1") = "3"
    & skf21("2","3","2","2","1","4","2","1") = "3"
    & skf21("2","3","2","2","1","4","3","1") = "3"
    & skf21("2","3","2","2","1","4","4","1") = "3"
    & skf21("2","3","2","2","1","4","5","1") = "4"
    & skf21("2","3","2","2","1","4","6","1") = "5"
    & skf21("2","3","2","2","1","4","7","1") = "6"
    & skf21("2","3","2","2","1","5","1","1") = "4"
    & skf21("2","3","2","2","1","5","2","1") = "4"
    & skf21("2","3","2","2","1","5","3","1") = "4"
    & skf21("2","3","2","2","1","5","4","1") = "4"
    & skf21("2","3","2","2","1","5","5","1") = "4"
    & skf21("2","3","2","2","1","5","6","1") = "5"
    & skf21("2","3","2","2","1","5","7","1") = "6"
    & skf21("2","3","2","2","1","6","1","1") = "5"
    & skf21("2","3","2","2","1","6","2","1") = "5"
    & skf21("2","3","2","2","1","6","3","1") = "5"
    & skf21("2","3","2","2","1","6","4","1") = "5"
    & skf21("2","3","2","2","1","6","5","1") = "5"
    & skf21("2","3","2","2","1","6","6","1") = "5"
    & skf21("2","3","2","2","1","6","7","1") = "6"
    & skf21("2","3","2","2","1","7","1","1") = "6"
    & skf21("2","3","2","2","1","7","2","1") = "6"
    & skf21("2","3","2","2","1","7","3","1") = "6"
    & skf21("2","3","2","2","1","7","4","1") = "6"
    & skf21("2","3","2","2","1","7","5","1") = "6"
    & skf21("2","3","2","2","1","7","6","1") = "6"
    & skf21("2","3","2","2","1","7","7","1") = "6"
    & skf21("2","3","2","2","2","1","1","1") = "2"
    & skf21("2","3","2","2","2","1","2","1") = "2"
    & skf21("2","3","2","2","2","1","3","1") = "2"
    & skf21("2","3","2","2","2","1","4","1") = "3"
    & skf21("2","3","2","2","2","1","5","1") = "4"
    & skf21("2","3","2","2","2","1","6","1") = "5"
    & skf21("2","3","2","2","2","1","7","1") = "6"
    & skf21("2","3","2","2","2","2","1","1") = "2"
    & skf21("2","3","2","2","2","2","2","1") = "2"
    & skf21("2","3","2","2","2","2","3","1") = "2"
    & skf21("2","3","2","2","2","2","4","1") = "3"
    & skf21("2","3","2","2","2","2","5","1") = "4"
    & skf21("2","3","2","2","2","2","6","1") = "5"
    & skf21("2","3","2","2","2","2","7","1") = "6"
    & skf21("2","3","2","2","2","3","1","1") = "2"
    & skf21("2","3","2","2","2","3","2","1") = "2"
    & skf21("2","3","2","2","2","3","3","1") = "2"
    & skf21("2","3","2","2","2","3","4","1") = "3"
    & skf21("2","3","2","2","2","3","5","1") = "4"
    & skf21("2","3","2","2","2","3","6","1") = "5"
    & skf21("2","3","2","2","2","3","7","1") = "6"
    & skf21("2","3","2","2","2","4","1","1") = "3"
    & skf21("2","3","2","2","2","4","2","1") = "3"
    & skf21("2","3","2","2","2","4","3","1") = "3"
    & skf21("2","3","2","2","2","4","4","1") = "3"
    & skf21("2","3","2","2","2","4","5","1") = "4"
    & skf21("2","3","2","2","2","4","6","1") = "5"
    & skf21("2","3","2","2","2","4","7","1") = "6"
    & skf21("2","3","2","2","2","5","1","1") = "4"
    & skf21("2","3","2","2","2","5","2","1") = "4"
    & skf21("2","3","2","2","2","5","3","1") = "4"
    & skf21("2","3","2","2","2","5","4","1") = "4"
    & skf21("2","3","2","2","2","5","5","1") = "4"
    & skf21("2","3","2","2","2","5","6","1") = "5"
    & skf21("2","3","2","2","2","5","7","1") = "6"
    & skf21("2","3","2","2","2","6","1","1") = "5"
    & skf21("2","3","2","2","2","6","2","1") = "5"
    & skf21("2","3","2","2","2","6","3","1") = "5"
    & skf21("2","3","2","2","2","6","4","1") = "5"
    & skf21("2","3","2","2","2","6","5","1") = "5"
    & skf21("2","3","2","2","2","6","6","1") = "5"
    & skf21("2","3","2","2","2","6","7","1") = "6"
    & skf21("2","3","2","2","2","7","1","1") = "6"
    & skf21("2","3","2","2","2","7","2","1") = "6"
    & skf21("2","3","2","2","2","7","3","1") = "6"
    & skf21("2","3","2","2","2","7","4","1") = "6"
    & skf21("2","3","2","2","2","7","5","1") = "6"
    & skf21("2","3","2","2","2","7","6","1") = "6"
    & skf21("2","3","2","2","2","7","7","1") = "6"
    & skf21("2","3","2","2","3","1","1","1") = "2"
    & skf21("2","3","2","2","3","1","2","1") = "2"
    & skf21("2","3","2","2","3","1","3","1") = "2"
    & skf21("2","3","2","2","3","1","4","1") = "3"
    & skf21("2","3","2","2","3","1","5","1") = "4"
    & skf21("2","3","2","2","3","1","6","1") = "5"
    & skf21("2","3","2","2","3","1","7","1") = "6"
    & skf21("2","3","2","2","3","2","1","1") = "2"
    & skf21("2","3","2","2","3","2","2","1") = "2"
    & skf21("2","3","2","2","3","2","3","1") = "2"
    & skf21("2","3","2","2","3","2","4","1") = "3"
    & skf21("2","3","2","2","3","2","5","1") = "4"
    & skf21("2","3","2","2","3","2","6","1") = "5"
    & skf21("2","3","2","2","3","2","7","1") = "6"
    & skf21("2","3","2","2","3","3","1","1") = "2"
    & skf21("2","3","2","2","3","3","2","1") = "2"
    & skf21("2","3","2","2","3","3","3","1") = "2"
    & skf21("2","3","2","2","3","3","4","1") = "3"
    & skf21("2","3","2","2","3","3","5","1") = "4"
    & skf21("2","3","2","2","3","3","6","1") = "5"
    & skf21("2","3","2","2","3","3","7","1") = "6"
    & skf21("2","3","2","2","3","4","1","1") = "3"
    & skf21("2","3","2","2","3","4","2","1") = "3"
    & skf21("2","3","2","2","3","4","3","1") = "3"
    & skf21("2","3","2","2","3","4","4","1") = "3"
    & skf21("2","3","2","2","3","4","5","1") = "4"
    & skf21("2","3","2","2","3","4","6","1") = "5"
    & skf21("2","3","2","2","3","4","7","1") = "6"
    & skf21("2","3","2","2","3","5","1","1") = "4"
    & skf21("2","3","2","2","3","5","2","1") = "4"
    & skf21("2","3","2","2","3","5","3","1") = "4"
    & skf21("2","3","2","2","3","5","4","1") = "4"
    & skf21("2","3","2","2","3","5","5","1") = "4"
    & skf21("2","3","2","2","3","5","6","1") = "5"
    & skf21("2","3","2","2","3","5","7","1") = "6"
    & skf21("2","3","2","2","3","6","1","1") = "5"
    & skf21("2","3","2","2","3","6","2","1") = "5"
    & skf21("2","3","2","2","3","6","3","1") = "5"
    & skf21("2","3","2","2","3","6","4","1") = "5"
    & skf21("2","3","2","2","3","6","5","1") = "5"
    & skf21("2","3","2","2","3","6","6","1") = "5"
    & skf21("2","3","2","2","3","6","7","1") = "6"
    & skf21("2","3","2","2","3","7","1","1") = "6"
    & skf21("2","3","2","2","3","7","2","1") = "6"
    & skf21("2","3","2","2","3","7","3","1") = "6"
    & skf21("2","3","2","2","3","7","4","1") = "6"
    & skf21("2","3","2","2","3","7","5","1") = "6"
    & skf21("2","3","2","2","3","7","6","1") = "6"
    & skf21("2","3","2","2","3","7","7","1") = "6"
    & skf21("2","3","2","2","4","1","1","1") = "3"
    & skf21("2","3","2","2","4","1","2","1") = "3"
    & skf21("2","3","2","2","4","1","3","1") = "3"
    & skf21("2","3","2","2","4","1","4","1") = "3"
    & skf21("2","3","2","2","4","1","5","1") = "4"
    & skf21("2","3","2","2","4","1","6","1") = "5"
    & skf21("2","3","2","2","4","1","7","1") = "6"
    & skf21("2","3","2","2","4","2","1","1") = "3"
    & skf21("2","3","2","2","4","2","2","1") = "3"
    & skf21("2","3","2","2","4","2","3","1") = "3"
    & skf21("2","3","2","2","4","2","4","1") = "3"
    & skf21("2","3","2","2","4","2","5","1") = "4"
    & skf21("2","3","2","2","4","2","6","1") = "5"
    & skf21("2","3","2","2","4","2","7","1") = "6"
    & skf21("2","3","2","2","4","3","1","1") = "3"
    & skf21("2","3","2","2","4","3","2","1") = "3"
    & skf21("2","3","2","2","4","3","3","1") = "3"
    & skf21("2","3","2","2","4","3","4","1") = "3"
    & skf21("2","3","2","2","4","3","5","1") = "4"
    & skf21("2","3","2","2","4","3","6","1") = "5"
    & skf21("2","3","2","2","4","3","7","1") = "6"
    & skf21("2","3","2","2","4","4","1","1") = "3"
    & skf21("2","3","2","2","4","4","2","1") = "3"
    & skf21("2","3","2","2","4","4","3","1") = "3"
    & skf21("2","3","2","2","4","4","4","1") = "3"
    & skf21("2","3","2","2","4","4","5","1") = "4"
    & skf21("2","3","2","2","4","4","6","1") = "5"
    & skf21("2","3","2","2","4","4","7","1") = "6"
    & skf21("2","3","2","2","4","5","1","1") = "4"
    & skf21("2","3","2","2","4","5","2","1") = "4"
    & skf21("2","3","2","2","4","5","3","1") = "4"
    & skf21("2","3","2","2","4","5","4","1") = "4"
    & skf21("2","3","2","2","4","5","5","1") = "4"
    & skf21("2","3","2","2","4","5","6","1") = "5"
    & skf21("2","3","2","2","4","5","7","1") = "6"
    & skf21("2","3","2","2","4","6","1","1") = "5"
    & skf21("2","3","2","2","4","6","2","1") = "5"
    & skf21("2","3","2","2","4","6","3","1") = "5"
    & skf21("2","3","2","2","4","6","4","1") = "5"
    & skf21("2","3","2","2","4","6","5","1") = "5"
    & skf21("2","3","2","2","4","6","6","1") = "5"
    & skf21("2","3","2","2","4","6","7","1") = "6"
    & skf21("2","3","2","2","4","7","1","1") = "6"
    & skf21("2","3","2","2","4","7","2","1") = "6"
    & skf21("2","3","2","2","4","7","3","1") = "6"
    & skf21("2","3","2","2","4","7","4","1") = "6"
    & skf21("2","3","2","2","4","7","5","1") = "6"
    & skf21("2","3","2","2","4","7","6","1") = "6"
    & skf21("2","3","2","2","4","7","7","1") = "6"
    & skf21("2","3","2","2","5","1","1","1") = "4"
    & skf21("2","3","2","2","5","1","2","1") = "4"
    & skf21("2","3","2","2","5","1","3","1") = "4"
    & skf21("2","3","2","2","5","1","4","1") = "4"
    & skf21("2","3","2","2","5","1","5","1") = "4"
    & skf21("2","3","2","2","5","1","6","1") = "5"
    & skf21("2","3","2","2","5","1","7","1") = "6"
    & skf21("2","3","2","2","5","2","1","1") = "4"
    & skf21("2","3","2","2","5","2","2","1") = "4"
    & skf21("2","3","2","2","5","2","3","1") = "4"
    & skf21("2","3","2","2","5","2","4","1") = "4"
    & skf21("2","3","2","2","5","2","5","1") = "4"
    & skf21("2","3","2","2","5","2","6","1") = "5"
    & skf21("2","3","2","2","5","2","7","1") = "6"
    & skf21("2","3","2","2","5","3","1","1") = "4"
    & skf21("2","3","2","2","5","3","2","1") = "4"
    & skf21("2","3","2","2","5","3","3","1") = "4"
    & skf21("2","3","2","2","5","3","4","1") = "4"
    & skf21("2","3","2","2","5","3","5","1") = "4"
    & skf21("2","3","2","2","5","3","6","1") = "5"
    & skf21("2","3","2","2","5","3","7","1") = "6"
    & skf21("2","3","2","2","5","4","1","1") = "4"
    & skf21("2","3","2","2","5","4","2","1") = "4"
    & skf21("2","3","2","2","5","4","3","1") = "4"
    & skf21("2","3","2","2","5","4","4","1") = "4"
    & skf21("2","3","2","2","5","4","5","1") = "4"
    & skf21("2","3","2","2","5","4","6","1") = "5"
    & skf21("2","3","2","2","5","4","7","1") = "6"
    & skf21("2","3","2","2","5","5","1","1") = "4"
    & skf21("2","3","2","2","5","5","2","1") = "4"
    & skf21("2","3","2","2","5","5","3","1") = "4"
    & skf21("2","3","2","2","5","5","4","1") = "4"
    & skf21("2","3","2","2","5","5","5","1") = "4"
    & skf21("2","3","2","2","5","5","6","1") = "5"
    & skf21("2","3","2","2","5","5","7","1") = "6"
    & skf21("2","3","2","2","5","6","1","1") = "5"
    & skf21("2","3","2","2","5","6","2","1") = "5"
    & skf21("2","3","2","2","5","6","3","1") = "5"
    & skf21("2","3","2","2","5","6","4","1") = "5"
    & skf21("2","3","2","2","5","6","5","1") = "5"
    & skf21("2","3","2","2","5","6","6","1") = "5"
    & skf21("2","3","2","2","5","6","7","1") = "6"
    & skf21("2","3","2","2","5","7","1","1") = "6"
    & skf21("2","3","2","2","5","7","2","1") = "6"
    & skf21("2","3","2","2","5","7","3","1") = "6"
    & skf21("2","3","2","2","5","7","4","1") = "6"
    & skf21("2","3","2","2","5","7","5","1") = "6"
    & skf21("2","3","2","2","5","7","6","1") = "6"
    & skf21("2","3","2","2","5","7","7","1") = "6"
    & skf21("2","3","2","2","6","1","1","1") = "5"
    & skf21("2","3","2","2","6","1","2","1") = "5"
    & skf21("2","3","2","2","6","1","3","1") = "5"
    & skf21("2","3","2","2","6","1","4","1") = "5"
    & skf21("2","3","2","2","6","1","5","1") = "5"
    & skf21("2","3","2","2","6","1","6","1") = "5"
    & skf21("2","3","2","2","6","1","7","1") = "6"
    & skf21("2","3","2","2","6","2","1","1") = "5"
    & skf21("2","3","2","2","6","2","2","1") = "5"
    & skf21("2","3","2","2","6","2","3","1") = "5"
    & skf21("2","3","2","2","6","2","4","1") = "5"
    & skf21("2","3","2","2","6","2","5","1") = "5"
    & skf21("2","3","2","2","6","2","6","1") = "5"
    & skf21("2","3","2","2","6","2","7","1") = "6"
    & skf21("2","3","2","2","6","3","1","1") = "5"
    & skf21("2","3","2","2","6","3","2","1") = "5"
    & skf21("2","3","2","2","6","3","3","1") = "5"
    & skf21("2","3","2","2","6","3","4","1") = "5"
    & skf21("2","3","2","2","6","3","5","1") = "5"
    & skf21("2","3","2","2","6","3","6","1") = "5"
    & skf21("2","3","2","2","6","3","7","1") = "6"
    & skf21("2","3","2","2","6","4","1","1") = "5"
    & skf21("2","3","2","2","6","4","2","1") = "5"
    & skf21("2","3","2","2","6","4","3","1") = "5"
    & skf21("2","3","2","2","6","4","4","1") = "5"
    & skf21("2","3","2","2","6","4","5","1") = "5"
    & skf21("2","3","2","2","6","4","6","1") = "5"
    & skf21("2","3","2","2","6","4","7","1") = "6"
    & skf21("2","3","2","2","6","5","1","1") = "5"
    & skf21("2","3","2","2","6","5","2","1") = "5"
    & skf21("2","3","2","2","6","5","3","1") = "5"
    & skf21("2","3","2","2","6","5","4","1") = "5"
    & skf21("2","3","2","2","6","5","5","1") = "5"
    & skf21("2","3","2","2","6","5","6","1") = "5"
    & skf21("2","3","2","2","6","5","7","1") = "6"
    & skf21("2","3","2","2","6","6","1","1") = "5"
    & skf21("2","3","2","2","6","6","2","1") = "5"
    & skf21("2","3","2","2","6","6","3","1") = "5"
    & skf21("2","3","2","2","6","6","4","1") = "5"
    & skf21("2","3","2","2","6","6","5","1") = "5"
    & skf21("2","3","2","2","6","6","6","1") = "5"
    & skf21("2","3","2","2","6","6","7","1") = "6"
    & skf21("2","3","2","2","6","7","1","1") = "6"
    & skf21("2","3","2","2","6","7","2","1") = "6"
    & skf21("2","3","2","2","6","7","3","1") = "6"
    & skf21("2","3","2","2","6","7","4","1") = "6"
    & skf21("2","3","2","2","6","7","5","1") = "6"
    & skf21("2","3","2","2","6","7","6","1") = "6"
    & skf21("2","3","2","2","6","7","7","1") = "6"
    & skf21("2","3","2","2","7","1","1","1") = "6"
    & skf21("2","3","2","2","7","1","2","1") = "6"
    & skf21("2","3","2","2","7","1","3","1") = "6"
    & skf21("2","3","2","2","7","1","4","1") = "6"
    & skf21("2","3","2","2","7","1","5","1") = "6"
    & skf21("2","3","2","2","7","1","6","1") = "6"
    & skf21("2","3","2","2","7","1","7","1") = "6"
    & skf21("2","3","2","2","7","2","1","1") = "6"
    & skf21("2","3","2","2","7","2","2","1") = "6"
    & skf21("2","3","2","2","7","2","3","1") = "6"
    & skf21("2","3","2","2","7","2","4","1") = "6"
    & skf21("2","3","2","2","7","2","5","1") = "6"
    & skf21("2","3","2","2","7","2","6","1") = "6"
    & skf21("2","3","2","2","7","2","7","1") = "6"
    & skf21("2","3","2","2","7","3","1","1") = "6"
    & skf21("2","3","2","2","7","3","2","1") = "6"
    & skf21("2","3","2","2","7","3","3","1") = "6"
    & skf21("2","3","2","2","7","3","4","1") = "6"
    & skf21("2","3","2","2","7","3","5","1") = "6"
    & skf21("2","3","2","2","7","3","6","1") = "6"
    & skf21("2","3","2","2","7","3","7","1") = "6"
    & skf21("2","3","2","2","7","4","1","1") = "6"
    & skf21("2","3","2","2","7","4","2","1") = "6"
    & skf21("2","3","2","2","7","4","3","1") = "6"
    & skf21("2","3","2","2","7","4","4","1") = "6"
    & skf21("2","3","2","2","7","4","5","1") = "6"
    & skf21("2","3","2","2","7","4","6","1") = "6"
    & skf21("2","3","2","2","7","4","7","1") = "6"
    & skf21("2","3","2","2","7","5","1","1") = "6"
    & skf21("2","3","2","2","7","5","2","1") = "6"
    & skf21("2","3","2","2","7","5","3","1") = "6"
    & skf21("2","3","2","2","7","5","4","1") = "6"
    & skf21("2","3","2","2","7","5","5","1") = "6"
    & skf21("2","3","2","2","7","5","6","1") = "6"
    & skf21("2","3","2","2","7","5","7","1") = "6"
    & skf21("2","3","2","2","7","6","1","1") = "6"
    & skf21("2","3","2","2","7","6","2","1") = "6"
    & skf21("2","3","2","2","7","6","3","1") = "6"
    & skf21("2","3","2","2","7","6","4","1") = "6"
    & skf21("2","3","2","2","7","6","5","1") = "6"
    & skf21("2","3","2","2","7","6","6","1") = "6"
    & skf21("2","3","2","2","7","6","7","1") = "6"
    & skf21("2","3","2","2","7","7","1","1") = "6"
    & skf21("2","3","2","2","7","7","2","1") = "6"
    & skf21("2","3","2","2","7","7","3","1") = "6"
    & skf21("2","3","2","2","7","7","4","1") = "6"
    & skf21("2","3","2","2","7","7","5","1") = "6"
    & skf21("2","3","2","2","7","7","6","1") = "6"
    & skf21("2","3","2","2","7","7","7","1") = "6"
    & skf21("2","3","2","3","1","1","1","1") = "2"
    & skf21("2","3","2","3","1","1","2","1") = "2"
    & skf21("2","3","2","3","1","1","3","1") = "2"
    & skf21("2","3","2","3","1","1","4","1") = "3"
    & skf21("2","3","2","3","1","1","5","1") = "4"
    & skf21("2","3","2","3","1","1","6","1") = "5"
    & skf21("2","3","2","3","1","1","7","1") = "6"
    & skf21("2","3","2","3","1","2","1","1") = "2"
    & skf21("2","3","2","3","1","2","2","1") = "2"
    & skf21("2","3","2","3","1","2","3","1") = "2"
    & skf21("2","3","2","3","1","2","4","1") = "3"
    & skf21("2","3","2","3","1","2","5","1") = "4"
    & skf21("2","3","2","3","1","2","6","1") = "5"
    & skf21("2","3","2","3","1","2","7","1") = "6"
    & skf21("2","3","2","3","1","3","1","1") = "2"
    & skf21("2","3","2","3","1","3","2","1") = "2"
    & skf21("2","3","2","3","1","3","3","1") = "2"
    & skf21("2","3","2","3","1","3","4","1") = "3"
    & skf21("2","3","2","3","1","3","5","1") = "4"
    & skf21("2","3","2","3","1","3","6","1") = "5"
    & skf21("2","3","2","3","1","3","7","1") = "6"
    & skf21("2","3","2","3","1","4","1","1") = "3"
    & skf21("2","3","2","3","1","4","2","1") = "3"
    & skf21("2","3","2","3","1","4","3","1") = "3"
    & skf21("2","3","2","3","1","4","4","1") = "3"
    & skf21("2","3","2","3","1","4","5","1") = "4"
    & skf21("2","3","2","3","1","4","6","1") = "5"
    & skf21("2","3","2","3","1","4","7","1") = "6"
    & skf21("2","3","2","3","1","5","1","1") = "4"
    & skf21("2","3","2","3","1","5","2","1") = "4"
    & skf21("2","3","2","3","1","5","3","1") = "4"
    & skf21("2","3","2","3","1","5","4","1") = "4"
    & skf21("2","3","2","3","1","5","5","1") = "4"
    & skf21("2","3","2","3","1","5","6","1") = "5"
    & skf21("2","3","2","3","1","5","7","1") = "6"
    & skf21("2","3","2","3","1","6","1","1") = "5"
    & skf21("2","3","2","3","1","6","2","1") = "5"
    & skf21("2","3","2","3","1","6","3","1") = "5"
    & skf21("2","3","2","3","1","6","4","1") = "5"
    & skf21("2","3","2","3","1","6","5","1") = "5"
    & skf21("2","3","2","3","1","6","6","1") = "5"
    & skf21("2","3","2","3","1","6","7","1") = "6"
    & skf21("2","3","2","3","1","7","1","1") = "6"
    & skf21("2","3","2","3","1","7","2","1") = "6"
    & skf21("2","3","2","3","1","7","3","1") = "6"
    & skf21("2","3","2","3","1","7","4","1") = "6"
    & skf21("2","3","2","3","1","7","5","1") = "6"
    & skf21("2","3","2","3","1","7","6","1") = "6"
    & skf21("2","3","2","3","1","7","7","1") = "6"
    & skf21("2","3","2","3","2","1","1","1") = "2"
    & skf21("2","3","2","3","2","1","2","1") = "2"
    & skf21("2","3","2","3","2","1","3","1") = "2"
    & skf21("2","3","2","3","2","1","4","1") = "3"
    & skf21("2","3","2","3","2","1","5","1") = "4"
    & skf21("2","3","2","3","2","1","6","1") = "5"
    & skf21("2","3","2","3","2","1","7","1") = "6"
    & skf21("2","3","2","3","2","2","1","1") = "2"
    & skf21("2","3","2","3","2","2","2","1") = "2"
    & skf21("2","3","2","3","2","2","3","1") = "2"
    & skf21("2","3","2","3","2","2","4","1") = "3"
    & skf21("2","3","2","3","2","2","5","1") = "4"
    & skf21("2","3","2","3","2","2","6","1") = "5"
    & skf21("2","3","2","3","2","2","7","1") = "6"
    & skf21("2","3","2","3","2","3","1","1") = "2"
    & skf21("2","3","2","3","2","3","2","1") = "2"
    & skf21("2","3","2","3","2","3","3","1") = "2"
    & skf21("2","3","2","3","2","3","4","1") = "3"
    & skf21("2","3","2","3","2","3","5","1") = "4"
    & skf21("2","3","2","3","2","3","6","1") = "5"
    & skf21("2","3","2","3","2","3","7","1") = "6"
    & skf21("2","3","2","3","2","4","1","1") = "3"
    & skf21("2","3","2","3","2","4","2","1") = "3"
    & skf21("2","3","2","3","2","4","3","1") = "3"
    & skf21("2","3","2","3","2","4","4","1") = "3"
    & skf21("2","3","2","3","2","4","5","1") = "4"
    & skf21("2","3","2","3","2","4","6","1") = "5"
    & skf21("2","3","2","3","2","4","7","1") = "6"
    & skf21("2","3","2","3","2","5","1","1") = "4"
    & skf21("2","3","2","3","2","5","2","1") = "4"
    & skf21("2","3","2","3","2","5","3","1") = "4"
    & skf21("2","3","2","3","2","5","4","1") = "4"
    & skf21("2","3","2","3","2","5","5","1") = "4"
    & skf21("2","3","2","3","2","5","6","1") = "5"
    & skf21("2","3","2","3","2","5","7","1") = "6"
    & skf21("2","3","2","3","2","6","1","1") = "5"
    & skf21("2","3","2","3","2","6","2","1") = "5"
    & skf21("2","3","2","3","2","6","3","1") = "5"
    & skf21("2","3","2","3","2","6","4","1") = "5"
    & skf21("2","3","2","3","2","6","5","1") = "5"
    & skf21("2","3","2","3","2","6","6","1") = "5"
    & skf21("2","3","2","3","2","6","7","1") = "6"
    & skf21("2","3","2","3","2","7","1","1") = "6"
    & skf21("2","3","2","3","2","7","2","1") = "6"
    & skf21("2","3","2","3","2","7","3","1") = "6"
    & skf21("2","3","2","3","2","7","4","1") = "6"
    & skf21("2","3","2","3","2","7","5","1") = "6"
    & skf21("2","3","2","3","2","7","6","1") = "6"
    & skf21("2","3","2","3","2","7","7","1") = "6"
    & skf21("2","3","2","3","3","1","1","1") = "2"
    & skf21("2","3","2","3","3","1","2","1") = "2"
    & skf21("2","3","2","3","3","1","3","1") = "2"
    & skf21("2","3","2","3","3","1","4","1") = "3"
    & skf21("2","3","2","3","3","1","5","1") = "4"
    & skf21("2","3","2","3","3","1","6","1") = "5"
    & skf21("2","3","2","3","3","1","7","1") = "6"
    & skf21("2","3","2","3","3","2","1","1") = "2"
    & skf21("2","3","2","3","3","2","2","1") = "2"
    & skf21("2","3","2","3","3","2","3","1") = "2"
    & skf21("2","3","2","3","3","2","4","1") = "3"
    & skf21("2","3","2","3","3","2","5","1") = "4"
    & skf21("2","3","2","3","3","2","6","1") = "5"
    & skf21("2","3","2","3","3","2","7","1") = "6"
    & skf21("2","3","2","3","3","3","1","1") = "2"
    & skf21("2","3","2","3","3","3","2","1") = "2"
    & skf21("2","3","2","3","3","3","3","1") = "2"
    & skf21("2","3","2","3","3","3","4","1") = "3"
    & skf21("2","3","2","3","3","3","5","1") = "4"
    & skf21("2","3","2","3","3","3","6","1") = "5"
    & skf21("2","3","2","3","3","3","7","1") = "6"
    & skf21("2","3","2","3","3","4","1","1") = "3"
    & skf21("2","3","2","3","3","4","2","1") = "3"
    & skf21("2","3","2","3","3","4","3","1") = "3"
    & skf21("2","3","2","3","3","4","4","1") = "3"
    & skf21("2","3","2","3","3","4","5","1") = "4"
    & skf21("2","3","2","3","3","4","6","1") = "5"
    & skf21("2","3","2","3","3","4","7","1") = "6"
    & skf21("2","3","2","3","3","5","1","1") = "4"
    & skf21("2","3","2","3","3","5","2","1") = "4"
    & skf21("2","3","2","3","3","5","3","1") = "4"
    & skf21("2","3","2","3","3","5","4","1") = "4"
    & skf21("2","3","2","3","3","5","5","1") = "4"
    & skf21("2","3","2","3","3","5","6","1") = "5"
    & skf21("2","3","2","3","3","5","7","1") = "6"
    & skf21("2","3","2","3","3","6","1","1") = "5"
    & skf21("2","3","2","3","3","6","2","1") = "5"
    & skf21("2","3","2","3","3","6","3","1") = "5"
    & skf21("2","3","2","3","3","6","4","1") = "5"
    & skf21("2","3","2","3","3","6","5","1") = "5"
    & skf21("2","3","2","3","3","6","6","1") = "5"
    & skf21("2","3","2","3","3","6","7","1") = "6"
    & skf21("2","3","2","3","3","7","1","1") = "6"
    & skf21("2","3","2","3","3","7","2","1") = "6"
    & skf21("2","3","2","3","3","7","3","1") = "6"
    & skf21("2","3","2","3","3","7","4","1") = "6"
    & skf21("2","3","2","3","3","7","5","1") = "6"
    & skf21("2","3","2","3","3","7","6","1") = "6"
    & skf21("2","3","2","3","3","7","7","1") = "6"
    & skf21("2","3","2","3","4","1","1","1") = "3"
    & skf21("2","3","2","3","4","1","2","1") = "3"
    & skf21("2","3","2","3","4","1","3","1") = "3"
    & skf21("2","3","2","3","4","1","4","1") = "3"
    & skf21("2","3","2","3","4","1","5","1") = "4"
    & skf21("2","3","2","3","4","1","6","1") = "5"
    & skf21("2","3","2","3","4","1","7","1") = "6"
    & skf21("2","3","2","3","4","2","1","1") = "3"
    & skf21("2","3","2","3","4","2","2","1") = "3"
    & skf21("2","3","2","3","4","2","3","1") = "3"
    & skf21("2","3","2","3","4","2","4","1") = "3"
    & skf21("2","3","2","3","4","2","5","1") = "4"
    & skf21("2","3","2","3","4","2","6","1") = "5"
    & skf21("2","3","2","3","4","2","7","1") = "6"
    & skf21("2","3","2","3","4","3","1","1") = "3"
    & skf21("2","3","2","3","4","3","2","1") = "3"
    & skf21("2","3","2","3","4","3","3","1") = "3"
    & skf21("2","3","2","3","4","3","4","1") = "3"
    & skf21("2","3","2","3","4","3","5","1") = "4"
    & skf21("2","3","2","3","4","3","6","1") = "5"
    & skf21("2","3","2","3","4","3","7","1") = "6"
    & skf21("2","3","2","3","4","4","1","1") = "3"
    & skf21("2","3","2","3","4","4","2","1") = "3"
    & skf21("2","3","2","3","4","4","3","1") = "3"
    & skf21("2","3","2","3","4","4","4","1") = "3"
    & skf21("2","3","2","3","4","4","5","1") = "4"
    & skf21("2","3","2","3","4","4","6","1") = "5"
    & skf21("2","3","2","3","4","4","7","1") = "6"
    & skf21("2","3","2","3","4","5","1","1") = "4"
    & skf21("2","3","2","3","4","5","2","1") = "4"
    & skf21("2","3","2","3","4","5","3","1") = "4"
    & skf21("2","3","2","3","4","5","4","1") = "4"
    & skf21("2","3","2","3","4","5","5","1") = "4"
    & skf21("2","3","2","3","4","5","6","1") = "5"
    & skf21("2","3","2","3","4","5","7","1") = "6"
    & skf21("2","3","2","3","4","6","1","1") = "5"
    & skf21("2","3","2","3","4","6","2","1") = "5"
    & skf21("2","3","2","3","4","6","3","1") = "5"
    & skf21("2","3","2","3","4","6","4","1") = "5"
    & skf21("2","3","2","3","4","6","5","1") = "5"
    & skf21("2","3","2","3","4","6","6","1") = "5"
    & skf21("2","3","2","3","4","6","7","1") = "6"
    & skf21("2","3","2","3","4","7","1","1") = "6"
    & skf21("2","3","2","3","4","7","2","1") = "6"
    & skf21("2","3","2","3","4","7","3","1") = "6"
    & skf21("2","3","2","3","4","7","4","1") = "6"
    & skf21("2","3","2","3","4","7","5","1") = "6"
    & skf21("2","3","2","3","4","7","6","1") = "6"
    & skf21("2","3","2","3","4","7","7","1") = "6"
    & skf21("2","3","2","3","5","1","1","1") = "4"
    & skf21("2","3","2","3","5","1","2","1") = "4"
    & skf21("2","3","2","3","5","1","3","1") = "4"
    & skf21("2","3","2","3","5","1","4","1") = "4"
    & skf21("2","3","2","3","5","1","5","1") = "4"
    & skf21("2","3","2","3","5","1","6","1") = "5"
    & skf21("2","3","2","3","5","1","7","1") = "6"
    & skf21("2","3","2","3","5","2","1","1") = "4"
    & skf21("2","3","2","3","5","2","2","1") = "4"
    & skf21("2","3","2","3","5","2","3","1") = "4"
    & skf21("2","3","2","3","5","2","4","1") = "4"
    & skf21("2","3","2","3","5","2","5","1") = "4"
    & skf21("2","3","2","3","5","2","6","1") = "5"
    & skf21("2","3","2","3","5","2","7","1") = "6"
    & skf21("2","3","2","3","5","3","1","1") = "4"
    & skf21("2","3","2","3","5","3","2","1") = "4"
    & skf21("2","3","2","3","5","3","3","1") = "4"
    & skf21("2","3","2","3","5","3","4","1") = "4"
    & skf21("2","3","2","3","5","3","5","1") = "4"
    & skf21("2","3","2","3","5","3","6","1") = "5"
    & skf21("2","3","2","3","5","3","7","1") = "6"
    & skf21("2","3","2","3","5","4","1","1") = "4"
    & skf21("2","3","2","3","5","4","2","1") = "4"
    & skf21("2","3","2","3","5","4","3","1") = "4"
    & skf21("2","3","2","3","5","4","4","1") = "4"
    & skf21("2","3","2","3","5","4","5","1") = "4"
    & skf21("2","3","2","3","5","4","6","1") = "5"
    & skf21("2","3","2","3","5","4","7","1") = "6"
    & skf21("2","3","2","3","5","5","1","1") = "4"
    & skf21("2","3","2","3","5","5","2","1") = "4"
    & skf21("2","3","2","3","5","5","3","1") = "4"
    & skf21("2","3","2","3","5","5","4","1") = "4"
    & skf21("2","3","2","3","5","5","5","1") = "4"
    & skf21("2","3","2","3","5","5","6","1") = "5"
    & skf21("2","3","2","3","5","5","7","1") = "6"
    & skf21("2","3","2","3","5","6","1","1") = "5"
    & skf21("2","3","2","3","5","6","2","1") = "5"
    & skf21("2","3","2","3","5","6","3","1") = "5"
    & skf21("2","3","2","3","5","6","4","1") = "5"
    & skf21("2","3","2","3","5","6","5","1") = "5"
    & skf21("2","3","2","3","5","6","6","1") = "5"
    & skf21("2","3","2","3","5","6","7","1") = "6"
    & skf21("2","3","2","3","5","7","1","1") = "6"
    & skf21("2","3","2","3","5","7","2","1") = "6"
    & skf21("2","3","2","3","5","7","3","1") = "6"
    & skf21("2","3","2","3","5","7","4","1") = "6"
    & skf21("2","3","2","3","5","7","5","1") = "6"
    & skf21("2","3","2","3","5","7","6","1") = "6"
    & skf21("2","3","2","3","5","7","7","1") = "6"
    & skf21("2","3","2","3","6","1","1","1") = "5"
    & skf21("2","3","2","3","6","1","2","1") = "5"
    & skf21("2","3","2","3","6","1","3","1") = "5"
    & skf21("2","3","2","3","6","1","4","1") = "5"
    & skf21("2","3","2","3","6","1","5","1") = "5"
    & skf21("2","3","2","3","6","1","6","1") = "5"
    & skf21("2","3","2","3","6","1","7","1") = "6"
    & skf21("2","3","2","3","6","2","1","1") = "5"
    & skf21("2","3","2","3","6","2","2","1") = "5"
    & skf21("2","3","2","3","6","2","3","1") = "5"
    & skf21("2","3","2","3","6","2","4","1") = "5"
    & skf21("2","3","2","3","6","2","5","1") = "5"
    & skf21("2","3","2","3","6","2","6","1") = "5"
    & skf21("2","3","2","3","6","2","7","1") = "6"
    & skf21("2","3","2","3","6","3","1","1") = "5"
    & skf21("2","3","2","3","6","3","2","1") = "5"
    & skf21("2","3","2","3","6","3","3","1") = "5"
    & skf21("2","3","2","3","6","3","4","1") = "5"
    & skf21("2","3","2","3","6","3","5","1") = "5"
    & skf21("2","3","2","3","6","3","6","1") = "5"
    & skf21("2","3","2","3","6","3","7","1") = "6"
    & skf21("2","3","2","3","6","4","1","1") = "5"
    & skf21("2","3","2","3","6","4","2","1") = "5"
    & skf21("2","3","2","3","6","4","3","1") = "5"
    & skf21("2","3","2","3","6","4","4","1") = "5"
    & skf21("2","3","2","3","6","4","5","1") = "5"
    & skf21("2","3","2","3","6","4","6","1") = "5"
    & skf21("2","3","2","3","6","4","7","1") = "6"
    & skf21("2","3","2","3","6","5","1","1") = "5"
    & skf21("2","3","2","3","6","5","2","1") = "5"
    & skf21("2","3","2","3","6","5","3","1") = "5"
    & skf21("2","3","2","3","6","5","4","1") = "5"
    & skf21("2","3","2","3","6","5","5","1") = "5"
    & skf21("2","3","2","3","6","5","6","1") = "5"
    & skf21("2","3","2","3","6","5","7","1") = "6"
    & skf21("2","3","2","3","6","6","1","1") = "5"
    & skf21("2","3","2","3","6","6","2","1") = "5"
    & skf21("2","3","2","3","6","6","3","1") = "5"
    & skf21("2","3","2","3","6","6","4","1") = "5"
    & skf21("2","3","2","3","6","6","5","1") = "5"
    & skf21("2","3","2","3","6","6","6","1") = "5"
    & skf21("2","3","2","3","6","6","7","1") = "6"
    & skf21("2","3","2","3","6","7","1","1") = "6"
    & skf21("2","3","2","3","6","7","2","1") = "6"
    & skf21("2","3","2","3","6","7","3","1") = "6"
    & skf21("2","3","2","3","6","7","4","1") = "6"
    & skf21("2","3","2","3","6","7","5","1") = "6"
    & skf21("2","3","2","3","6","7","6","1") = "6"
    & skf21("2","3","2","3","6","7","7","1") = "6"
    & skf21("2","3","2","3","7","1","1","1") = "6"
    & skf21("2","3","2","3","7","1","2","1") = "6"
    & skf21("2","3","2","3","7","1","3","1") = "6"
    & skf21("2","3","2","3","7","1","4","1") = "6"
    & skf21("2","3","2","3","7","1","5","1") = "6"
    & skf21("2","3","2","3","7","1","6","1") = "6"
    & skf21("2","3","2","3","7","1","7","1") = "6"
    & skf21("2","3","2","3","7","2","1","1") = "6"
    & skf21("2","3","2","3","7","2","2","1") = "6"
    & skf21("2","3","2","3","7","2","3","1") = "6"
    & skf21("2","3","2","3","7","2","4","1") = "6"
    & skf21("2","3","2","3","7","2","5","1") = "6"
    & skf21("2","3","2","3","7","2","6","1") = "6"
    & skf21("2","3","2","3","7","2","7","1") = "6"
    & skf21("2","3","2","3","7","3","1","1") = "6"
    & skf21("2","3","2","3","7","3","2","1") = "6"
    & skf21("2","3","2","3","7","3","3","1") = "6"
    & skf21("2","3","2","3","7","3","4","1") = "6"
    & skf21("2","3","2","3","7","3","5","1") = "6"
    & skf21("2","3","2","3","7","3","6","1") = "6"
    & skf21("2","3","2","3","7","3","7","1") = "6"
    & skf21("2","3","2","3","7","4","1","1") = "6"
    & skf21("2","3","2","3","7","4","2","1") = "6"
    & skf21("2","3","2","3","7","4","3","1") = "6"
    & skf21("2","3","2","3","7","4","4","1") = "6"
    & skf21("2","3","2","3","7","4","5","1") = "6"
    & skf21("2","3","2","3","7","4","6","1") = "6"
    & skf21("2","3","2","3","7","4","7","1") = "6"
    & skf21("2","3","2","3","7","5","1","1") = "6"
    & skf21("2","3","2","3","7","5","2","1") = "6"
    & skf21("2","3","2","3","7","5","3","1") = "6"
    & skf21("2","3","2","3","7","5","4","1") = "6"
    & skf21("2","3","2","3","7","5","5","1") = "6"
    & skf21("2","3","2","3","7","5","6","1") = "6"
    & skf21("2","3","2","3","7","5","7","1") = "6"
    & skf21("2","3","2","3","7","6","1","1") = "6"
    & skf21("2","3","2","3","7","6","2","1") = "6"
    & skf21("2","3","2","3","7","6","3","1") = "6"
    & skf21("2","3","2","3","7","6","4","1") = "6"
    & skf21("2","3","2","3","7","6","5","1") = "6"
    & skf21("2","3","2","3","7","6","6","1") = "6"
    & skf21("2","3","2","3","7","6","7","1") = "6"
    & skf21("2","3","2","3","7","7","1","1") = "6"
    & skf21("2","3","2","3","7","7","2","1") = "6"
    & skf21("2","3","2","3","7","7","3","1") = "6"
    & skf21("2","3","2","3","7","7","4","1") = "6"
    & skf21("2","3","2","3","7","7","5","1") = "6"
    & skf21("2","3","2","3","7","7","6","1") = "6"
    & skf21("2","3","2","3","7","7","7","1") = "6"
    & skf21("2","3","2","4","1","1","1","1") = "3"
    & skf21("2","3","2","4","1","1","2","1") = "3"
    & skf21("2","3","2","4","1","1","3","1") = "3"
    & skf21("2","3","2","4","1","1","4","1") = "3"
    & skf21("2","3","2","4","1","1","5","1") = "4"
    & skf21("2","3","2","4","1","1","6","1") = "5"
    & skf21("2","3","2","4","1","1","7","1") = "6"
    & skf21("2","3","2","4","1","2","1","1") = "3"
    & skf21("2","3","2","4","1","2","2","1") = "3"
    & skf21("2","3","2","4","1","2","3","1") = "3"
    & skf21("2","3","2","4","1","2","4","1") = "3"
    & skf21("2","3","2","4","1","2","5","1") = "4"
    & skf21("2","3","2","4","1","2","6","1") = "5"
    & skf21("2","3","2","4","1","2","7","1") = "6"
    & skf21("2","3","2","4","1","3","1","1") = "3"
    & skf21("2","3","2","4","1","3","2","1") = "3"
    & skf21("2","3","2","4","1","3","3","1") = "3"
    & skf21("2","3","2","4","1","3","4","1") = "3"
    & skf21("2","3","2","4","1","3","5","1") = "4"
    & skf21("2","3","2","4","1","3","6","1") = "5"
    & skf21("2","3","2","4","1","3","7","1") = "6"
    & skf21("2","3","2","4","1","4","1","1") = "3"
    & skf21("2","3","2","4","1","4","2","1") = "3"
    & skf21("2","3","2","4","1","4","3","1") = "3"
    & skf21("2","3","2","4","1","4","4","1") = "3"
    & skf21("2","3","2","4","1","4","5","1") = "4"
    & skf21("2","3","2","4","1","4","6","1") = "5"
    & skf21("2","3","2","4","1","4","7","1") = "6"
    & skf21("2","3","2","4","1","5","1","1") = "4"
    & skf21("2","3","2","4","1","5","2","1") = "4"
    & skf21("2","3","2","4","1","5","3","1") = "4"
    & skf21("2","3","2","4","1","5","4","1") = "4"
    & skf21("2","3","2","4","1","5","5","1") = "4"
    & skf21("2","3","2","4","1","5","6","1") = "5"
    & skf21("2","3","2","4","1","5","7","1") = "6"
    & skf21("2","3","2","4","1","6","1","1") = "5"
    & skf21("2","3","2","4","1","6","2","1") = "5"
    & skf21("2","3","2","4","1","6","3","1") = "5"
    & skf21("2","3","2","4","1","6","4","1") = "5"
    & skf21("2","3","2","4","1","6","5","1") = "5"
    & skf21("2","3","2","4","1","6","6","1") = "5"
    & skf21("2","3","2","4","1","6","7","1") = "6"
    & skf21("2","3","2","4","1","7","1","1") = "6"
    & skf21("2","3","2","4","1","7","2","1") = "6"
    & skf21("2","3","2","4","1","7","3","1") = "6"
    & skf21("2","3","2","4","1","7","4","1") = "6"
    & skf21("2","3","2","4","1","7","5","1") = "6"
    & skf21("2","3","2","4","1","7","6","1") = "6"
    & skf21("2","3","2","4","1","7","7","1") = "6"
    & skf21("2","3","2","4","2","1","1","1") = "3"
    & skf21("2","3","2","4","2","1","2","1") = "3"
    & skf21("2","3","2","4","2","1","3","1") = "3"
    & skf21("2","3","2","4","2","1","4","1") = "3"
    & skf21("2","3","2","4","2","1","5","1") = "4"
    & skf21("2","3","2","4","2","1","6","1") = "5"
    & skf21("2","3","2","4","2","1","7","1") = "6"
    & skf21("2","3","2","4","2","2","1","1") = "3"
    & skf21("2","3","2","4","2","2","2","1") = "3"
    & skf21("2","3","2","4","2","2","3","1") = "3"
    & skf21("2","3","2","4","2","2","4","1") = "3"
    & skf21("2","3","2","4","2","2","5","1") = "4"
    & skf21("2","3","2","4","2","2","6","1") = "5"
    & skf21("2","3","2","4","2","2","7","1") = "6"
    & skf21("2","3","2","4","2","3","1","1") = "3"
    & skf21("2","3","2","4","2","3","2","1") = "3"
    & skf21("2","3","2","4","2","3","3","1") = "3"
    & skf21("2","3","2","4","2","3","4","1") = "3"
    & skf21("2","3","2","4","2","3","5","1") = "4"
    & skf21("2","3","2","4","2","3","6","1") = "5"
    & skf21("2","3","2","4","2","3","7","1") = "6"
    & skf21("2","3","2","4","2","4","1","1") = "3"
    & skf21("2","3","2","4","2","4","2","1") = "3"
    & skf21("2","3","2","4","2","4","3","1") = "3"
    & skf21("2","3","2","4","2","4","4","1") = "3"
    & skf21("2","3","2","4","2","4","5","1") = "4"
    & skf21("2","3","2","4","2","4","6","1") = "5"
    & skf21("2","3","2","4","2","4","7","1") = "6"
    & skf21("2","3","2","4","2","5","1","1") = "4"
    & skf21("2","3","2","4","2","5","2","1") = "4"
    & skf21("2","3","2","4","2","5","3","1") = "4"
    & skf21("2","3","2","4","2","5","4","1") = "4"
    & skf21("2","3","2","4","2","5","5","1") = "4"
    & skf21("2","3","2","4","2","5","6","1") = "5"
    & skf21("2","3","2","4","2","5","7","1") = "6"
    & skf21("2","3","2","4","2","6","1","1") = "5"
    & skf21("2","3","2","4","2","6","2","1") = "5"
    & skf21("2","3","2","4","2","6","3","1") = "5"
    & skf21("2","3","2","4","2","6","4","1") = "5"
    & skf21("2","3","2","4","2","6","5","1") = "5"
    & skf21("2","3","2","4","2","6","6","1") = "5"
    & skf21("2","3","2","4","2","6","7","1") = "6"
    & skf21("2","3","2","4","2","7","1","1") = "6"
    & skf21("2","3","2","4","2","7","2","1") = "6"
    & skf21("2","3","2","4","2","7","3","1") = "6"
    & skf21("2","3","2","4","2","7","4","1") = "6"
    & skf21("2","3","2","4","2","7","5","1") = "6"
    & skf21("2","3","2","4","2","7","6","1") = "6"
    & skf21("2","3","2","4","2","7","7","1") = "6"
    & skf21("2","3","2","4","3","1","1","1") = "3"
    & skf21("2","3","2","4","3","1","2","1") = "3"
    & skf21("2","3","2","4","3","1","3","1") = "3"
    & skf21("2","3","2","4","3","1","4","1") = "3"
    & skf21("2","3","2","4","3","1","5","1") = "4"
    & skf21("2","3","2","4","3","1","6","1") = "5"
    & skf21("2","3","2","4","3","1","7","1") = "6"
    & skf21("2","3","2","4","3","2","1","1") = "3"
    & skf21("2","3","2","4","3","2","2","1") = "3"
    & skf21("2","3","2","4","3","2","3","1") = "3"
    & skf21("2","3","2","4","3","2","4","1") = "3"
    & skf21("2","3","2","4","3","2","5","1") = "4"
    & skf21("2","3","2","4","3","2","6","1") = "5"
    & skf21("2","3","2","4","3","2","7","1") = "6"
    & skf21("2","3","2","4","3","3","1","1") = "3"
    & skf21("2","3","2","4","3","3","2","1") = "3"
    & skf21("2","3","2","4","3","3","3","1") = "3"
    & skf21("2","3","2","4","3","3","4","1") = "3"
    & skf21("2","3","2","4","3","3","5","1") = "4"
    & skf21("2","3","2","4","3","3","6","1") = "5"
    & skf21("2","3","2","4","3","3","7","1") = "6"
    & skf21("2","3","2","4","3","4","1","1") = "3"
    & skf21("2","3","2","4","3","4","2","1") = "3"
    & skf21("2","3","2","4","3","4","3","1") = "3"
    & skf21("2","3","2","4","3","4","4","1") = "3"
    & skf21("2","3","2","4","3","4","5","1") = "4"
    & skf21("2","3","2","4","3","4","6","1") = "5"
    & skf21("2","3","2","4","3","4","7","1") = "6"
    & skf21("2","3","2","4","3","5","1","1") = "4"
    & skf21("2","3","2","4","3","5","2","1") = "4"
    & skf21("2","3","2","4","3","5","3","1") = "4"
    & skf21("2","3","2","4","3","5","4","1") = "4"
    & skf21("2","3","2","4","3","5","5","1") = "4"
    & skf21("2","3","2","4","3","5","6","1") = "5"
    & skf21("2","3","2","4","3","5","7","1") = "6"
    & skf21("2","3","2","4","3","6","1","1") = "5"
    & skf21("2","3","2","4","3","6","2","1") = "5"
    & skf21("2","3","2","4","3","6","3","1") = "5"
    & skf21("2","3","2","4","3","6","4","1") = "5"
    & skf21("2","3","2","4","3","6","5","1") = "5"
    & skf21("2","3","2","4","3","6","6","1") = "5"
    & skf21("2","3","2","4","3","6","7","1") = "6"
    & skf21("2","3","2","4","3","7","1","1") = "6"
    & skf21("2","3","2","4","3","7","2","1") = "6"
    & skf21("2","3","2","4","3","7","3","1") = "6"
    & skf21("2","3","2","4","3","7","4","1") = "6"
    & skf21("2","3","2","4","3","7","5","1") = "6"
    & skf21("2","3","2","4","3","7","6","1") = "6"
    & skf21("2","3","2","4","3","7","7","1") = "6"
    & skf21("2","3","2","4","4","1","1","1") = "3"
    & skf21("2","3","2","4","4","1","2","1") = "3"
    & skf21("2","3","2","4","4","1","3","1") = "3"
    & skf21("2","3","2","4","4","1","4","1") = "3"
    & skf21("2","3","2","4","4","1","5","1") = "4"
    & skf21("2","3","2","4","4","1","6","1") = "5"
    & skf21("2","3","2","4","4","1","7","1") = "6"
    & skf21("2","3","2","4","4","2","1","1") = "3"
    & skf21("2","3","2","4","4","2","2","1") = "3"
    & skf21("2","3","2","4","4","2","3","1") = "3"
    & skf21("2","3","2","4","4","2","4","1") = "3"
    & skf21("2","3","2","4","4","2","5","1") = "4"
    & skf21("2","3","2","4","4","2","6","1") = "5"
    & skf21("2","3","2","4","4","2","7","1") = "6"
    & skf21("2","3","2","4","4","3","1","1") = "3"
    & skf21("2","3","2","4","4","3","2","1") = "3"
    & skf21("2","3","2","4","4","3","3","1") = "3"
    & skf21("2","3","2","4","4","3","4","1") = "3"
    & skf21("2","3","2","4","4","3","5","1") = "4"
    & skf21("2","3","2","4","4","3","6","1") = "5"
    & skf21("2","3","2","4","4","3","7","1") = "6"
    & skf21("2","3","2","4","4","4","1","1") = "3"
    & skf21("2","3","2","4","4","4","2","1") = "3"
    & skf21("2","3","2","4","4","4","3","1") = "3"
    & skf21("2","3","2","4","4","4","4","1") = "3"
    & skf21("2","3","2","4","4","4","5","1") = "4"
    & skf21("2","3","2","4","4","4","6","1") = "5"
    & skf21("2","3","2","4","4","4","7","1") = "6"
    & skf21("2","3","2","4","4","5","1","1") = "4"
    & skf21("2","3","2","4","4","5","2","1") = "4"
    & skf21("2","3","2","4","4","5","3","1") = "4"
    & skf21("2","3","2","4","4","5","4","1") = "4"
    & skf21("2","3","2","4","4","5","5","1") = "4"
    & skf21("2","3","2","4","4","5","6","1") = "5"
    & skf21("2","3","2","4","4","5","7","1") = "6"
    & skf21("2","3","2","4","4","6","1","1") = "5"
    & skf21("2","3","2","4","4","6","2","1") = "5"
    & skf21("2","3","2","4","4","6","3","1") = "5"
    & skf21("2","3","2","4","4","6","4","1") = "5"
    & skf21("2","3","2","4","4","6","5","1") = "5"
    & skf21("2","3","2","4","4","6","6","1") = "5"
    & skf21("2","3","2","4","4","6","7","1") = "6"
    & skf21("2","3","2","4","4","7","1","1") = "6"
    & skf21("2","3","2","4","4","7","2","1") = "6"
    & skf21("2","3","2","4","4","7","3","1") = "6"
    & skf21("2","3","2","4","4","7","4","1") = "6"
    & skf21("2","3","2","4","4","7","5","1") = "6"
    & skf21("2","3","2","4","4","7","6","1") = "6"
    & skf21("2","3","2","4","4","7","7","1") = "6"
    & skf21("2","3","2","4","5","1","1","1") = "4"
    & skf21("2","3","2","4","5","1","2","1") = "4"
    & skf21("2","3","2","4","5","1","3","1") = "4"
    & skf21("2","3","2","4","5","1","4","1") = "4"
    & skf21("2","3","2","4","5","1","5","1") = "4"
    & skf21("2","3","2","4","5","1","6","1") = "5"
    & skf21("2","3","2","4","5","1","7","1") = "6"
    & skf21("2","3","2","4","5","2","1","1") = "4"
    & skf21("2","3","2","4","5","2","2","1") = "4"
    & skf21("2","3","2","4","5","2","3","1") = "4"
    & skf21("2","3","2","4","5","2","4","1") = "4"
    & skf21("2","3","2","4","5","2","5","1") = "4"
    & skf21("2","3","2","4","5","2","6","1") = "5"
    & skf21("2","3","2","4","5","2","7","1") = "6"
    & skf21("2","3","2","4","5","3","1","1") = "4"
    & skf21("2","3","2","4","5","3","2","1") = "4"
    & skf21("2","3","2","4","5","3","3","1") = "4"
    & skf21("2","3","2","4","5","3","4","1") = "4"
    & skf21("2","3","2","4","5","3","5","1") = "4"
    & skf21("2","3","2","4","5","3","6","1") = "5"
    & skf21("2","3","2","4","5","3","7","1") = "6"
    & skf21("2","3","2","4","5","4","1","1") = "4"
    & skf21("2","3","2","4","5","4","2","1") = "4"
    & skf21("2","3","2","4","5","4","3","1") = "4"
    & skf21("2","3","2","4","5","4","4","1") = "4"
    & skf21("2","3","2","4","5","4","5","1") = "4"
    & skf21("2","3","2","4","5","4","6","1") = "5"
    & skf21("2","3","2","4","5","4","7","1") = "6"
    & skf21("2","3","2","4","5","5","1","1") = "4"
    & skf21("2","3","2","4","5","5","2","1") = "4"
    & skf21("2","3","2","4","5","5","3","1") = "4"
    & skf21("2","3","2","4","5","5","4","1") = "4"
    & skf21("2","3","2","4","5","5","5","1") = "4"
    & skf21("2","3","2","4","5","5","6","1") = "5"
    & skf21("2","3","2","4","5","5","7","1") = "6"
    & skf21("2","3","2","4","5","6","1","1") = "5"
    & skf21("2","3","2","4","5","6","2","1") = "5"
    & skf21("2","3","2","4","5","6","3","1") = "5"
    & skf21("2","3","2","4","5","6","4","1") = "5"
    & skf21("2","3","2","4","5","6","5","1") = "5"
    & skf21("2","3","2","4","5","6","6","1") = "5"
    & skf21("2","3","2","4","5","6","7","1") = "6"
    & skf21("2","3","2","4","5","7","1","1") = "6"
    & skf21("2","3","2","4","5","7","2","1") = "6"
    & skf21("2","3","2","4","5","7","3","1") = "6"
    & skf21("2","3","2","4","5","7","4","1") = "6"
    & skf21("2","3","2","4","5","7","5","1") = "6"
    & skf21("2","3","2","4","5","7","6","1") = "6"
    & skf21("2","3","2","4","5","7","7","1") = "6"
    & skf21("2","3","2","4","6","1","1","1") = "5"
    & skf21("2","3","2","4","6","1","2","1") = "5"
    & skf21("2","3","2","4","6","1","3","1") = "5"
    & skf21("2","3","2","4","6","1","4","1") = "5"
    & skf21("2","3","2","4","6","1","5","1") = "5"
    & skf21("2","3","2","4","6","1","6","1") = "5"
    & skf21("2","3","2","4","6","1","7","1") = "6"
    & skf21("2","3","2","4","6","2","1","1") = "5"
    & skf21("2","3","2","4","6","2","2","1") = "5"
    & skf21("2","3","2","4","6","2","3","1") = "5"
    & skf21("2","3","2","4","6","2","4","1") = "5"
    & skf21("2","3","2","4","6","2","5","1") = "5"
    & skf21("2","3","2","4","6","2","6","1") = "5"
    & skf21("2","3","2","4","6","2","7","1") = "6"
    & skf21("2","3","2","4","6","3","1","1") = "5"
    & skf21("2","3","2","4","6","3","2","1") = "5"
    & skf21("2","3","2","4","6","3","3","1") = "5"
    & skf21("2","3","2","4","6","3","4","1") = "5"
    & skf21("2","3","2","4","6","3","5","1") = "5"
    & skf21("2","3","2","4","6","3","6","1") = "5"
    & skf21("2","3","2","4","6","3","7","1") = "6"
    & skf21("2","3","2","4","6","4","1","1") = "5"
    & skf21("2","3","2","4","6","4","2","1") = "5"
    & skf21("2","3","2","4","6","4","3","1") = "5"
    & skf21("2","3","2","4","6","4","4","1") = "5"
    & skf21("2","3","2","4","6","4","5","1") = "5"
    & skf21("2","3","2","4","6","4","6","1") = "5"
    & skf21("2","3","2","4","6","4","7","1") = "6"
    & skf21("2","3","2","4","6","5","1","1") = "5"
    & skf21("2","3","2","4","6","5","2","1") = "5"
    & skf21("2","3","2","4","6","5","3","1") = "5"
    & skf21("2","3","2","4","6","5","4","1") = "5"
    & skf21("2","3","2","4","6","5","5","1") = "5"
    & skf21("2","3","2","4","6","5","6","1") = "5"
    & skf21("2","3","2","4","6","5","7","1") = "6"
    & skf21("2","3","2","4","6","6","1","1") = "5"
    & skf21("2","3","2","4","6","6","2","1") = "5"
    & skf21("2","3","2","4","6","6","3","1") = "5"
    & skf21("2","3","2","4","6","6","4","1") = "5"
    & skf21("2","3","2","4","6","6","5","1") = "5"
    & skf21("2","3","2","4","6","6","6","1") = "5"
    & skf21("2","3","2","4","6","6","7","1") = "6"
    & skf21("2","3","2","4","6","7","1","1") = "6"
    & skf21("2","3","2","4","6","7","2","1") = "6"
    & skf21("2","3","2","4","6","7","3","1") = "6"
    & skf21("2","3","2","4","6","7","4","1") = "6"
    & skf21("2","3","2","4","6","7","5","1") = "6"
    & skf21("2","3","2","4","6","7","6","1") = "6"
    & skf21("2","3","2","4","6","7","7","1") = "6"
    & skf21("2","3","2","4","7","1","1","1") = "6"
    & skf21("2","3","2","4","7","1","2","1") = "6"
    & skf21("2","3","2","4","7","1","3","1") = "6"
    & skf21("2","3","2","4","7","1","4","1") = "6"
    & skf21("2","3","2","4","7","1","5","1") = "6"
    & skf21("2","3","2","4","7","1","6","1") = "6"
    & skf21("2","3","2","4","7","1","7","1") = "6"
    & skf21("2","3","2","4","7","2","1","1") = "6"
    & skf21("2","3","2","4","7","2","2","1") = "6"
    & skf21("2","3","2","4","7","2","3","1") = "6"
    & skf21("2","3","2","4","7","2","4","1") = "6"
    & skf21("2","3","2","4","7","2","5","1") = "6"
    & skf21("2","3","2","4","7","2","6","1") = "6"
    & skf21("2","3","2","4","7","2","7","1") = "6"
    & skf21("2","3","2","4","7","3","1","1") = "6"
    & skf21("2","3","2","4","7","3","2","1") = "6"
    & skf21("2","3","2","4","7","3","3","1") = "6"
    & skf21("2","3","2","4","7","3","4","1") = "6"
    & skf21("2","3","2","4","7","3","5","1") = "6"
    & skf21("2","3","2","4","7","3","6","1") = "6"
    & skf21("2","3","2","4","7","3","7","1") = "6"
    & skf21("2","3","2","4","7","4","1","1") = "6"
    & skf21("2","3","2","4","7","4","2","1") = "6"
    & skf21("2","3","2","4","7","4","3","1") = "6"
    & skf21("2","3","2","4","7","4","4","1") = "6"
    & skf21("2","3","2","4","7","4","5","1") = "6"
    & skf21("2","3","2","4","7","4","6","1") = "6"
    & skf21("2","3","2","4","7","4","7","1") = "6"
    & skf21("2","3","2","4","7","5","1","1") = "6"
    & skf21("2","3","2","4","7","5","2","1") = "6"
    & skf21("2","3","2","4","7","5","3","1") = "6"
    & skf21("2","3","2","4","7","5","4","1") = "6"
    & skf21("2","3","2","4","7","5","5","1") = "6"
    & skf21("2","3","2","4","7","5","6","1") = "6"
    & skf21("2","3","2","4","7","5","7","1") = "6"
    & skf21("2","3","2","4","7","6","1","1") = "6"
    & skf21("2","3","2","4","7","6","2","1") = "6"
    & skf21("2","3","2","4","7","6","3","1") = "6"
    & skf21("2","3","2","4","7","6","4","1") = "6"
    & skf21("2","3","2","4","7","6","5","1") = "6"
    & skf21("2","3","2","4","7","6","6","1") = "6"
    & skf21("2","3","2","4","7","6","7","1") = "6"
    & skf21("2","3","2","4","7","7","1","1") = "6"
    & skf21("2","3","2","4","7","7","2","1") = "6"
    & skf21("2","3","2","4","7","7","3","1") = "6"
    & skf21("2","3","2","4","7","7","4","1") = "6"
    & skf21("2","3","2","4","7","7","5","1") = "6"
    & skf21("2","3","2","4","7","7","6","1") = "6"
    & skf21("2","3","2","4","7","7","7","1") = "6"
    & skf21("2","3","2","5","1","1","1","1") = "4"
    & skf21("2","3","2","5","1","1","2","1") = "4"
    & skf21("2","3","2","5","1","1","3","1") = "4"
    & skf21("2","3","2","5","1","1","4","1") = "4"
    & skf21("2","3","2","5","1","1","5","1") = "4"
    & skf21("2","3","2","5","1","1","6","1") = "5"
    & skf21("2","3","2","5","1","1","7","1") = "6"
    & skf21("2","3","2","5","1","2","1","1") = "4"
    & skf21("2","3","2","5","1","2","2","1") = "4"
    & skf21("2","3","2","5","1","2","3","1") = "4"
    & skf21("2","3","2","5","1","2","4","1") = "4"
    & skf21("2","3","2","5","1","2","5","1") = "4"
    & skf21("2","3","2","5","1","2","6","1") = "5"
    & skf21("2","3","2","5","1","2","7","1") = "6"
    & skf21("2","3","2","5","1","3","1","1") = "4"
    & skf21("2","3","2","5","1","3","2","1") = "4"
    & skf21("2","3","2","5","1","3","3","1") = "4"
    & skf21("2","3","2","5","1","3","4","1") = "4"
    & skf21("2","3","2","5","1","3","5","1") = "4"
    & skf21("2","3","2","5","1","3","6","1") = "5"
    & skf21("2","3","2","5","1","3","7","1") = "6"
    & skf21("2","3","2","5","1","4","1","1") = "4"
    & skf21("2","3","2","5","1","4","2","1") = "4"
    & skf21("2","3","2","5","1","4","3","1") = "4"
    & skf21("2","3","2","5","1","4","4","1") = "4"
    & skf21("2","3","2","5","1","4","5","1") = "4"
    & skf21("2","3","2","5","1","4","6","1") = "5"
    & skf21("2","3","2","5","1","4","7","1") = "6"
    & skf21("2","3","2","5","1","5","1","1") = "4"
    & skf21("2","3","2","5","1","5","2","1") = "4"
    & skf21("2","3","2","5","1","5","3","1") = "4"
    & skf21("2","3","2","5","1","5","4","1") = "4"
    & skf21("2","3","2","5","1","5","5","1") = "4"
    & skf21("2","3","2","5","1","5","6","1") = "5"
    & skf21("2","3","2","5","1","5","7","1") = "6"
    & skf21("2","3","2","5","1","6","1","1") = "5"
    & skf21("2","3","2","5","1","6","2","1") = "5"
    & skf21("2","3","2","5","1","6","3","1") = "5"
    & skf21("2","3","2","5","1","6","4","1") = "5"
    & skf21("2","3","2","5","1","6","5","1") = "5"
    & skf21("2","3","2","5","1","6","6","1") = "5"
    & skf21("2","3","2","5","1","6","7","1") = "6"
    & skf21("2","3","2","5","1","7","1","1") = "6"
    & skf21("2","3","2","5","1","7","2","1") = "6"
    & skf21("2","3","2","5","1","7","3","1") = "6"
    & skf21("2","3","2","5","1","7","4","1") = "6"
    & skf21("2","3","2","5","1","7","5","1") = "6"
    & skf21("2","3","2","5","1","7","6","1") = "6"
    & skf21("2","3","2","5","1","7","7","1") = "6"
    & skf21("2","3","2","5","2","1","1","1") = "4"
    & skf21("2","3","2","5","2","1","2","1") = "4"
    & skf21("2","3","2","5","2","1","3","1") = "4"
    & skf21("2","3","2","5","2","1","4","1") = "4"
    & skf21("2","3","2","5","2","1","5","1") = "4"
    & skf21("2","3","2","5","2","1","6","1") = "5"
    & skf21("2","3","2","5","2","1","7","1") = "6"
    & skf21("2","3","2","5","2","2","1","1") = "4"
    & skf21("2","3","2","5","2","2","2","1") = "4"
    & skf21("2","3","2","5","2","2","3","1") = "4"
    & skf21("2","3","2","5","2","2","4","1") = "4"
    & skf21("2","3","2","5","2","2","5","1") = "4"
    & skf21("2","3","2","5","2","2","6","1") = "5"
    & skf21("2","3","2","5","2","2","7","1") = "6"
    & skf21("2","3","2","5","2","3","1","1") = "4"
    & skf21("2","3","2","5","2","3","2","1") = "4"
    & skf21("2","3","2","5","2","3","3","1") = "4"
    & skf21("2","3","2","5","2","3","4","1") = "4"
    & skf21("2","3","2","5","2","3","5","1") = "4"
    & skf21("2","3","2","5","2","3","6","1") = "5"
    & skf21("2","3","2","5","2","3","7","1") = "6"
    & skf21("2","3","2","5","2","4","1","1") = "4"
    & skf21("2","3","2","5","2","4","2","1") = "4"
    & skf21("2","3","2","5","2","4","3","1") = "4"
    & skf21("2","3","2","5","2","4","4","1") = "4"
    & skf21("2","3","2","5","2","4","5","1") = "4"
    & skf21("2","3","2","5","2","4","6","1") = "5"
    & skf21("2","3","2","5","2","4","7","1") = "6"
    & skf21("2","3","2","5","2","5","1","1") = "4"
    & skf21("2","3","2","5","2","5","2","1") = "4"
    & skf21("2","3","2","5","2","5","3","1") = "4"
    & skf21("2","3","2","5","2","5","4","1") = "4"
    & skf21("2","3","2","5","2","5","5","1") = "4"
    & skf21("2","3","2","5","2","5","6","1") = "5"
    & skf21("2","3","2","5","2","5","7","1") = "6"
    & skf21("2","3","2","5","2","6","1","1") = "5"
    & skf21("2","3","2","5","2","6","2","1") = "5"
    & skf21("2","3","2","5","2","6","3","1") = "5"
    & skf21("2","3","2","5","2","6","4","1") = "5"
    & skf21("2","3","2","5","2","6","5","1") = "5"
    & skf21("2","3","2","5","2","6","6","1") = "5"
    & skf21("2","3","2","5","2","6","7","1") = "6"
    & skf21("2","3","2","5","2","7","1","1") = "6"
    & skf21("2","3","2","5","2","7","2","1") = "6"
    & skf21("2","3","2","5","2","7","3","1") = "6"
    & skf21("2","3","2","5","2","7","4","1") = "6"
    & skf21("2","3","2","5","2","7","5","1") = "6"
    & skf21("2","3","2","5","2","7","6","1") = "6"
    & skf21("2","3","2","5","2","7","7","1") = "6"
    & skf21("2","3","2","5","3","1","1","1") = "4"
    & skf21("2","3","2","5","3","1","2","1") = "4"
    & skf21("2","3","2","5","3","1","3","1") = "4"
    & skf21("2","3","2","5","3","1","4","1") = "4"
    & skf21("2","3","2","5","3","1","5","1") = "4"
    & skf21("2","3","2","5","3","1","6","1") = "5"
    & skf21("2","3","2","5","3","1","7","1") = "6"
    & skf21("2","3","2","5","3","2","1","1") = "4"
    & skf21("2","3","2","5","3","2","2","1") = "4"
    & skf21("2","3","2","5","3","2","3","1") = "4"
    & skf21("2","3","2","5","3","2","4","1") = "4"
    & skf21("2","3","2","5","3","2","5","1") = "4"
    & skf21("2","3","2","5","3","2","6","1") = "5"
    & skf21("2","3","2","5","3","2","7","1") = "6"
    & skf21("2","3","2","5","3","3","1","1") = "4"
    & skf21("2","3","2","5","3","3","2","1") = "4"
    & skf21("2","3","2","5","3","3","3","1") = "4"
    & skf21("2","3","2","5","3","3","4","1") = "4"
    & skf21("2","3","2","5","3","3","5","1") = "4"
    & skf21("2","3","2","5","3","3","6","1") = "5"
    & skf21("2","3","2","5","3","3","7","1") = "6"
    & skf21("2","3","2","5","3","4","1","1") = "4"
    & skf21("2","3","2","5","3","4","2","1") = "4"
    & skf21("2","3","2","5","3","4","3","1") = "4"
    & skf21("2","3","2","5","3","4","4","1") = "4"
    & skf21("2","3","2","5","3","4","5","1") = "4"
    & skf21("2","3","2","5","3","4","6","1") = "5"
    & skf21("2","3","2","5","3","4","7","1") = "6"
    & skf21("2","3","2","5","3","5","1","1") = "4"
    & skf21("2","3","2","5","3","5","2","1") = "4"
    & skf21("2","3","2","5","3","5","3","1") = "4"
    & skf21("2","3","2","5","3","5","4","1") = "4"
    & skf21("2","3","2","5","3","5","5","1") = "4"
    & skf21("2","3","2","5","3","5","6","1") = "5"
    & skf21("2","3","2","5","3","5","7","1") = "6"
    & skf21("2","3","2","5","3","6","1","1") = "5"
    & skf21("2","3","2","5","3","6","2","1") = "5"
    & skf21("2","3","2","5","3","6","3","1") = "5"
    & skf21("2","3","2","5","3","6","4","1") = "5"
    & skf21("2","3","2","5","3","6","5","1") = "5"
    & skf21("2","3","2","5","3","6","6","1") = "5"
    & skf21("2","3","2","5","3","6","7","1") = "6"
    & skf21("2","3","2","5","3","7","1","1") = "6"
    & skf21("2","3","2","5","3","7","2","1") = "6"
    & skf21("2","3","2","5","3","7","3","1") = "6"
    & skf21("2","3","2","5","3","7","4","1") = "6"
    & skf21("2","3","2","5","3","7","5","1") = "6"
    & skf21("2","3","2","5","3","7","6","1") = "6"
    & skf21("2","3","2","5","3","7","7","1") = "6"
    & skf21("2","3","2","5","4","1","1","1") = "4"
    & skf21("2","3","2","5","4","1","2","1") = "4"
    & skf21("2","3","2","5","4","1","3","1") = "4"
    & skf21("2","3","2","5","4","1","4","1") = "4"
    & skf21("2","3","2","5","4","1","5","1") = "4"
    & skf21("2","3","2","5","4","1","6","1") = "5"
    & skf21("2","3","2","5","4","1","7","1") = "6"
    & skf21("2","3","2","5","4","2","1","1") = "4"
    & skf21("2","3","2","5","4","2","2","1") = "4"
    & skf21("2","3","2","5","4","2","3","1") = "4"
    & skf21("2","3","2","5","4","2","4","1") = "4"
    & skf21("2","3","2","5","4","2","5","1") = "4"
    & skf21("2","3","2","5","4","2","6","1") = "5"
    & skf21("2","3","2","5","4","2","7","1") = "6"
    & skf21("2","3","2","5","4","3","1","1") = "4"
    & skf21("2","3","2","5","4","3","2","1") = "4"
    & skf21("2","3","2","5","4","3","3","1") = "4"
    & skf21("2","3","2","5","4","3","4","1") = "4"
    & skf21("2","3","2","5","4","3","5","1") = "4"
    & skf21("2","3","2","5","4","3","6","1") = "5"
    & skf21("2","3","2","5","4","3","7","1") = "6"
    & skf21("2","3","2","5","4","4","1","1") = "4"
    & skf21("2","3","2","5","4","4","2","1") = "4"
    & skf21("2","3","2","5","4","4","3","1") = "4"
    & skf21("2","3","2","5","4","4","4","1") = "4"
    & skf21("2","3","2","5","4","4","5","1") = "4"
    & skf21("2","3","2","5","4","4","6","1") = "5"
    & skf21("2","3","2","5","4","4","7","1") = "6"
    & skf21("2","3","2","5","4","5","1","1") = "4"
    & skf21("2","3","2","5","4","5","2","1") = "4"
    & skf21("2","3","2","5","4","5","3","1") = "4"
    & skf21("2","3","2","5","4","5","4","1") = "4"
    & skf21("2","3","2","5","4","5","5","1") = "4"
    & skf21("2","3","2","5","4","5","6","1") = "5"
    & skf21("2","3","2","5","4","5","7","1") = "6"
    & skf21("2","3","2","5","4","6","1","1") = "5"
    & skf21("2","3","2","5","4","6","2","1") = "5"
    & skf21("2","3","2","5","4","6","3","1") = "5"
    & skf21("2","3","2","5","4","6","4","1") = "5"
    & skf21("2","3","2","5","4","6","5","1") = "5"
    & skf21("2","3","2","5","4","6","6","1") = "5"
    & skf21("2","3","2","5","4","6","7","1") = "6"
    & skf21("2","3","2","5","4","7","1","1") = "6"
    & skf21("2","3","2","5","4","7","2","1") = "6"
    & skf21("2","3","2","5","4","7","3","1") = "6"
    & skf21("2","3","2","5","4","7","4","1") = "6"
    & skf21("2","3","2","5","4","7","5","1") = "6"
    & skf21("2","3","2","5","4","7","6","1") = "6"
    & skf21("2","3","2","5","4","7","7","1") = "6"
    & skf21("2","3","2","5","5","1","1","1") = "4"
    & skf21("2","3","2","5","5","1","2","1") = "4"
    & skf21("2","3","2","5","5","1","3","1") = "4"
    & skf21("2","3","2","5","5","1","4","1") = "4"
    & skf21("2","3","2","5","5","1","5","1") = "4"
    & skf21("2","3","2","5","5","1","6","1") = "5"
    & skf21("2","3","2","5","5","1","7","1") = "6"
    & skf21("2","3","2","5","5","2","1","1") = "4"
    & skf21("2","3","2","5","5","2","2","1") = "4"
    & skf21("2","3","2","5","5","2","3","1") = "4"
    & skf21("2","3","2","5","5","2","4","1") = "4"
    & skf21("2","3","2","5","5","2","5","1") = "4"
    & skf21("2","3","2","5","5","2","6","1") = "5"
    & skf21("2","3","2","5","5","2","7","1") = "6"
    & skf21("2","3","2","5","5","3","1","1") = "4"
    & skf21("2","3","2","5","5","3","2","1") = "4"
    & skf21("2","3","2","5","5","3","3","1") = "4"
    & skf21("2","3","2","5","5","3","4","1") = "4"
    & skf21("2","3","2","5","5","3","5","1") = "4"
    & skf21("2","3","2","5","5","3","6","1") = "5"
    & skf21("2","3","2","5","5","3","7","1") = "6"
    & skf21("2","3","2","5","5","4","1","1") = "4"
    & skf21("2","3","2","5","5","4","2","1") = "4"
    & skf21("2","3","2","5","5","4","3","1") = "4"
    & skf21("2","3","2","5","5","4","4","1") = "4"
    & skf21("2","3","2","5","5","4","5","1") = "4"
    & skf21("2","3","2","5","5","4","6","1") = "5"
    & skf21("2","3","2","5","5","4","7","1") = "6"
    & skf21("2","3","2","5","5","5","1","1") = "4"
    & skf21("2","3","2","5","5","5","2","1") = "4"
    & skf21("2","3","2","5","5","5","3","1") = "4"
    & skf21("2","3","2","5","5","5","4","1") = "4"
    & skf21("2","3","2","5","5","5","5","1") = "4"
    & skf21("2","3","2","5","5","5","6","1") = "5"
    & skf21("2","3","2","5","5","5","7","1") = "6"
    & skf21("2","3","2","5","5","6","1","1") = "5"
    & skf21("2","3","2","5","5","6","2","1") = "5"
    & skf21("2","3","2","5","5","6","3","1") = "5"
    & skf21("2","3","2","5","5","6","4","1") = "5"
    & skf21("2","3","2","5","5","6","5","1") = "5"
    & skf21("2","3","2","5","5","6","6","1") = "5"
    & skf21("2","3","2","5","5","6","7","1") = "6"
    & skf21("2","3","2","5","5","7","1","1") = "6"
    & skf21("2","3","2","5","5","7","2","1") = "6"
    & skf21("2","3","2","5","5","7","3","1") = "6"
    & skf21("2","3","2","5","5","7","4","1") = "6"
    & skf21("2","3","2","5","5","7","5","1") = "6"
    & skf21("2","3","2","5","5","7","6","1") = "6"
    & skf21("2","3","2","5","5","7","7","1") = "6"
    & skf21("2","3","2","5","6","1","1","1") = "5"
    & skf21("2","3","2","5","6","1","2","1") = "5"
    & skf21("2","3","2","5","6","1","3","1") = "5"
    & skf21("2","3","2","5","6","1","4","1") = "5"
    & skf21("2","3","2","5","6","1","5","1") = "5"
    & skf21("2","3","2","5","6","1","6","1") = "5"
    & skf21("2","3","2","5","6","1","7","1") = "6"
    & skf21("2","3","2","5","6","2","1","1") = "5"
    & skf21("2","3","2","5","6","2","2","1") = "5"
    & skf21("2","3","2","5","6","2","3","1") = "5"
    & skf21("2","3","2","5","6","2","4","1") = "5"
    & skf21("2","3","2","5","6","2","5","1") = "5"
    & skf21("2","3","2","5","6","2","6","1") = "5"
    & skf21("2","3","2","5","6","2","7","1") = "6"
    & skf21("2","3","2","5","6","3","1","1") = "5"
    & skf21("2","3","2","5","6","3","2","1") = "5"
    & skf21("2","3","2","5","6","3","3","1") = "5"
    & skf21("2","3","2","5","6","3","4","1") = "5"
    & skf21("2","3","2","5","6","3","5","1") = "5"
    & skf21("2","3","2","5","6","3","6","1") = "5"
    & skf21("2","3","2","5","6","3","7","1") = "6"
    & skf21("2","3","2","5","6","4","1","1") = "5"
    & skf21("2","3","2","5","6","4","2","1") = "5"
    & skf21("2","3","2","5","6","4","3","1") = "5"
    & skf21("2","3","2","5","6","4","4","1") = "5"
    & skf21("2","3","2","5","6","4","5","1") = "5"
    & skf21("2","3","2","5","6","4","6","1") = "5"
    & skf21("2","3","2","5","6","4","7","1") = "6"
    & skf21("2","3","2","5","6","5","1","1") = "5"
    & skf21("2","3","2","5","6","5","2","1") = "5"
    & skf21("2","3","2","5","6","5","3","1") = "5"
    & skf21("2","3","2","5","6","5","4","1") = "5"
    & skf21("2","3","2","5","6","5","5","1") = "5"
    & skf21("2","3","2","5","6","5","6","1") = "5"
    & skf21("2","3","2","5","6","5","7","1") = "6"
    & skf21("2","3","2","5","6","6","1","1") = "5"
    & skf21("2","3","2","5","6","6","2","1") = "5"
    & skf21("2","3","2","5","6","6","3","1") = "5"
    & skf21("2","3","2","5","6","6","4","1") = "5"
    & skf21("2","3","2","5","6","6","5","1") = "5"
    & skf21("2","3","2","5","6","6","6","1") = "5"
    & skf21("2","3","2","5","6","6","7","1") = "6"
    & skf21("2","3","2","5","6","7","1","1") = "6"
    & skf21("2","3","2","5","6","7","2","1") = "6"
    & skf21("2","3","2","5","6","7","3","1") = "6"
    & skf21("2","3","2","5","6","7","4","1") = "6"
    & skf21("2","3","2","5","6","7","5","1") = "6"
    & skf21("2","3","2","5","6","7","6","1") = "6"
    & skf21("2","3","2","5","6","7","7","1") = "6"
    & skf21("2","3","2","5","7","1","1","1") = "6"
    & skf21("2","3","2","5","7","1","2","1") = "6"
    & skf21("2","3","2","5","7","1","3","1") = "6"
    & skf21("2","3","2","5","7","1","4","1") = "6"
    & skf21("2","3","2","5","7","1","5","1") = "6"
    & skf21("2","3","2","5","7","1","6","1") = "6"
    & skf21("2","3","2","5","7","1","7","1") = "6"
    & skf21("2","3","2","5","7","2","1","1") = "6"
    & skf21("2","3","2","5","7","2","2","1") = "6"
    & skf21("2","3","2","5","7","2","3","1") = "6"
    & skf21("2","3","2","5","7","2","4","1") = "6"
    & skf21("2","3","2","5","7","2","5","1") = "6"
    & skf21("2","3","2","5","7","2","6","1") = "6"
    & skf21("2","3","2","5","7","2","7","1") = "6"
    & skf21("2","3","2","5","7","3","1","1") = "6"
    & skf21("2","3","2","5","7","3","2","1") = "6"
    & skf21("2","3","2","5","7","3","3","1") = "6"
    & skf21("2","3","2","5","7","3","4","1") = "6"
    & skf21("2","3","2","5","7","3","5","1") = "6"
    & skf21("2","3","2","5","7","3","6","1") = "6"
    & skf21("2","3","2","5","7","3","7","1") = "6"
    & skf21("2","3","2","5","7","4","1","1") = "6"
    & skf21("2","3","2","5","7","4","2","1") = "6"
    & skf21("2","3","2","5","7","4","3","1") = "6"
    & skf21("2","3","2","5","7","4","4","1") = "6"
    & skf21("2","3","2","5","7","4","5","1") = "6"
    & skf21("2","3","2","5","7","4","6","1") = "6"
    & skf21("2","3","2","5","7","4","7","1") = "6"
    & skf21("2","3","2","5","7","5","1","1") = "6"
    & skf21("2","3","2","5","7","5","2","1") = "6"
    & skf21("2","3","2","5","7","5","3","1") = "6"
    & skf21("2","3","2","5","7","5","4","1") = "6"
    & skf21("2","3","2","5","7","5","5","1") = "6"
    & skf21("2","3","2","5","7","5","6","1") = "6"
    & skf21("2","3","2","5","7","5","7","1") = "6"
    & skf21("2","3","2","5","7","6","1","1") = "6"
    & skf21("2","3","2","5","7","6","2","1") = "6"
    & skf21("2","3","2","5","7","6","3","1") = "6"
    & skf21("2","3","2","5","7","6","4","1") = "6"
    & skf21("2","3","2","5","7","6","5","1") = "6"
    & skf21("2","3","2","5","7","6","6","1") = "6"
    & skf21("2","3","2","5","7","6","7","1") = "6"
    & skf21("2","3","2","5","7","7","1","1") = "6"
    & skf21("2","3","2","5","7","7","2","1") = "6"
    & skf21("2","3","2","5","7","7","3","1") = "6"
    & skf21("2","3","2","5","7","7","4","1") = "6"
    & skf21("2","3","2","5","7","7","5","1") = "6"
    & skf21("2","3","2","5","7","7","6","1") = "6"
    & skf21("2","3","2","5","7","7","7","1") = "6"
    & skf21("2","3","2","6","1","1","1","1") = "5"
    & skf21("2","3","2","6","1","1","2","1") = "5"
    & skf21("2","3","2","6","1","1","3","1") = "5"
    & skf21("2","3","2","6","1","1","4","1") = "5"
    & skf21("2","3","2","6","1","1","5","1") = "5"
    & skf21("2","3","2","6","1","1","6","1") = "5"
    & skf21("2","3","2","6","1","1","7","1") = "6"
    & skf21("2","3","2","6","1","2","1","1") = "5"
    & skf21("2","3","2","6","1","2","2","1") = "5"
    & skf21("2","3","2","6","1","2","3","1") = "5"
    & skf21("2","3","2","6","1","2","4","1") = "5"
    & skf21("2","3","2","6","1","2","5","1") = "5"
    & skf21("2","3","2","6","1","2","6","1") = "5"
    & skf21("2","3","2","6","1","2","7","1") = "6"
    & skf21("2","3","2","6","1","3","1","1") = "5"
    & skf21("2","3","2","6","1","3","2","1") = "5"
    & skf21("2","3","2","6","1","3","3","1") = "5"
    & skf21("2","3","2","6","1","3","4","1") = "5"
    & skf21("2","3","2","6","1","3","5","1") = "5"
    & skf21("2","3","2","6","1","3","6","1") = "5"
    & skf21("2","3","2","6","1","3","7","1") = "6"
    & skf21("2","3","2","6","1","4","1","1") = "5"
    & skf21("2","3","2","6","1","4","2","1") = "5"
    & skf21("2","3","2","6","1","4","3","1") = "5"
    & skf21("2","3","2","6","1","4","4","1") = "5"
    & skf21("2","3","2","6","1","4","5","1") = "5"
    & skf21("2","3","2","6","1","4","6","1") = "5"
    & skf21("2","3","2","6","1","4","7","1") = "6"
    & skf21("2","3","2","6","1","5","1","1") = "5"
    & skf21("2","3","2","6","1","5","2","1") = "5"
    & skf21("2","3","2","6","1","5","3","1") = "5"
    & skf21("2","3","2","6","1","5","4","1") = "5"
    & skf21("2","3","2","6","1","5","5","1") = "5"
    & skf21("2","3","2","6","1","5","6","1") = "5"
    & skf21("2","3","2","6","1","5","7","1") = "6"
    & skf21("2","3","2","6","1","6","1","1") = "5"
    & skf21("2","3","2","6","1","6","2","1") = "5"
    & skf21("2","3","2","6","1","6","3","1") = "5"
    & skf21("2","3","2","6","1","6","4","1") = "5"
    & skf21("2","3","2","6","1","6","5","1") = "5"
    & skf21("2","3","2","6","1","6","6","1") = "5"
    & skf21("2","3","2","6","1","6","7","1") = "6"
    & skf21("2","3","2","6","1","7","1","1") = "6"
    & skf21("2","3","2","6","1","7","2","1") = "6"
    & skf21("2","3","2","6","1","7","3","1") = "6"
    & skf21("2","3","2","6","1","7","4","1") = "6"
    & skf21("2","3","2","6","1","7","5","1") = "6"
    & skf21("2","3","2","6","1","7","6","1") = "6"
    & skf21("2","3","2","6","1","7","7","1") = "6"
    & skf21("2","3","2","6","2","1","1","1") = "5"
    & skf21("2","3","2","6","2","1","2","1") = "5"
    & skf21("2","3","2","6","2","1","3","1") = "5"
    & skf21("2","3","2","6","2","1","4","1") = "5"
    & skf21("2","3","2","6","2","1","5","1") = "5"
    & skf21("2","3","2","6","2","1","6","1") = "5"
    & skf21("2","3","2","6","2","1","7","1") = "6"
    & skf21("2","3","2","6","2","2","1","1") = "5"
    & skf21("2","3","2","6","2","2","2","1") = "5"
    & skf21("2","3","2","6","2","2","3","1") = "5"
    & skf21("2","3","2","6","2","2","4","1") = "5"
    & skf21("2","3","2","6","2","2","5","1") = "5"
    & skf21("2","3","2","6","2","2","6","1") = "5"
    & skf21("2","3","2","6","2","2","7","1") = "6"
    & skf21("2","3","2","6","2","3","1","1") = "5"
    & skf21("2","3","2","6","2","3","2","1") = "5"
    & skf21("2","3","2","6","2","3","3","1") = "5"
    & skf21("2","3","2","6","2","3","4","1") = "5"
    & skf21("2","3","2","6","2","3","5","1") = "5"
    & skf21("2","3","2","6","2","3","6","1") = "5"
    & skf21("2","3","2","6","2","3","7","1") = "6"
    & skf21("2","3","2","6","2","4","1","1") = "5"
    & skf21("2","3","2","6","2","4","2","1") = "5"
    & skf21("2","3","2","6","2","4","3","1") = "5"
    & skf21("2","3","2","6","2","4","4","1") = "5"
    & skf21("2","3","2","6","2","4","5","1") = "5"
    & skf21("2","3","2","6","2","4","6","1") = "5"
    & skf21("2","3","2","6","2","4","7","1") = "6"
    & skf21("2","3","2","6","2","5","1","1") = "5"
    & skf21("2","3","2","6","2","5","2","1") = "5"
    & skf21("2","3","2","6","2","5","3","1") = "5"
    & skf21("2","3","2","6","2","5","4","1") = "5"
    & skf21("2","3","2","6","2","5","5","1") = "5"
    & skf21("2","3","2","6","2","5","6","1") = "5"
    & skf21("2","3","2","6","2","5","7","1") = "6"
    & skf21("2","3","2","6","2","6","1","1") = "5"
    & skf21("2","3","2","6","2","6","2","1") = "5"
    & skf21("2","3","2","6","2","6","3","1") = "5"
    & skf21("2","3","2","6","2","6","4","1") = "5"
    & skf21("2","3","2","6","2","6","5","1") = "5"
    & skf21("2","3","2","6","2","6","6","1") = "5"
    & skf21("2","3","2","6","2","6","7","1") = "6"
    & skf21("2","3","2","6","2","7","1","1") = "6"
    & skf21("2","3","2","6","2","7","2","1") = "6"
    & skf21("2","3","2","6","2","7","3","1") = "6"
    & skf21("2","3","2","6","2","7","4","1") = "6"
    & skf21("2","3","2","6","2","7","5","1") = "6"
    & skf21("2","3","2","6","2","7","6","1") = "6"
    & skf21("2","3","2","6","2","7","7","1") = "6"
    & skf21("2","3","2","6","3","1","1","1") = "5"
    & skf21("2","3","2","6","3","1","2","1") = "5"
    & skf21("2","3","2","6","3","1","3","1") = "5"
    & skf21("2","3","2","6","3","1","4","1") = "5"
    & skf21("2","3","2","6","3","1","5","1") = "5"
    & skf21("2","3","2","6","3","1","6","1") = "5"
    & skf21("2","3","2","6","3","1","7","1") = "6"
    & skf21("2","3","2","6","3","2","1","1") = "5"
    & skf21("2","3","2","6","3","2","2","1") = "5"
    & skf21("2","3","2","6","3","2","3","1") = "5"
    & skf21("2","3","2","6","3","2","4","1") = "5"
    & skf21("2","3","2","6","3","2","5","1") = "5"
    & skf21("2","3","2","6","3","2","6","1") = "5"
    & skf21("2","3","2","6","3","2","7","1") = "6"
    & skf21("2","3","2","6","3","3","1","1") = "5"
    & skf21("2","3","2","6","3","3","2","1") = "5"
    & skf21("2","3","2","6","3","3","3","1") = "5"
    & skf21("2","3","2","6","3","3","4","1") = "5"
    & skf21("2","3","2","6","3","3","5","1") = "5"
    & skf21("2","3","2","6","3","3","6","1") = "5"
    & skf21("2","3","2","6","3","3","7","1") = "6"
    & skf21("2","3","2","6","3","4","1","1") = "5"
    & skf21("2","3","2","6","3","4","2","1") = "5"
    & skf21("2","3","2","6","3","4","3","1") = "5"
    & skf21("2","3","2","6","3","4","4","1") = "5"
    & skf21("2","3","2","6","3","4","5","1") = "5"
    & skf21("2","3","2","6","3","4","6","1") = "5"
    & skf21("2","3","2","6","3","4","7","1") = "6"
    & skf21("2","3","2","6","3","5","1","1") = "5"
    & skf21("2","3","2","6","3","5","2","1") = "5"
    & skf21("2","3","2","6","3","5","3","1") = "5"
    & skf21("2","3","2","6","3","5","4","1") = "5"
    & skf21("2","3","2","6","3","5","5","1") = "5"
    & skf21("2","3","2","6","3","5","6","1") = "5"
    & skf21("2","3","2","6","3","5","7","1") = "6"
    & skf21("2","3","2","6","3","6","1","1") = "5"
    & skf21("2","3","2","6","3","6","2","1") = "5"
    & skf21("2","3","2","6","3","6","3","1") = "5"
    & skf21("2","3","2","6","3","6","4","1") = "5"
    & skf21("2","3","2","6","3","6","5","1") = "5"
    & skf21("2","3","2","6","3","6","6","1") = "5"
    & skf21("2","3","2","6","3","6","7","1") = "6"
    & skf21("2","3","2","6","3","7","1","1") = "6"
    & skf21("2","3","2","6","3","7","2","1") = "6"
    & skf21("2","3","2","6","3","7","3","1") = "6"
    & skf21("2","3","2","6","3","7","4","1") = "6"
    & skf21("2","3","2","6","3","7","5","1") = "6"
    & skf21("2","3","2","6","3","7","6","1") = "6"
    & skf21("2","3","2","6","3","7","7","1") = "6"
    & skf21("2","3","2","6","4","1","1","1") = "5"
    & skf21("2","3","2","6","4","1","2","1") = "5"
    & skf21("2","3","2","6","4","1","3","1") = "5"
    & skf21("2","3","2","6","4","1","4","1") = "5"
    & skf21("2","3","2","6","4","1","5","1") = "5"
    & skf21("2","3","2","6","4","1","6","1") = "5"
    & skf21("2","3","2","6","4","1","7","1") = "6"
    & skf21("2","3","2","6","4","2","1","1") = "5"
    & skf21("2","3","2","6","4","2","2","1") = "5"
    & skf21("2","3","2","6","4","2","3","1") = "5"
    & skf21("2","3","2","6","4","2","4","1") = "5"
    & skf21("2","3","2","6","4","2","5","1") = "5"
    & skf21("2","3","2","6","4","2","6","1") = "5"
    & skf21("2","3","2","6","4","2","7","1") = "6"
    & skf21("2","3","2","6","4","3","1","1") = "5"
    & skf21("2","3","2","6","4","3","2","1") = "5"
    & skf21("2","3","2","6","4","3","3","1") = "5"
    & skf21("2","3","2","6","4","3","4","1") = "5"
    & skf21("2","3","2","6","4","3","5","1") = "5"
    & skf21("2","3","2","6","4","3","6","1") = "5"
    & skf21("2","3","2","6","4","3","7","1") = "6"
    & skf21("2","3","2","6","4","4","1","1") = "5"
    & skf21("2","3","2","6","4","4","2","1") = "5"
    & skf21("2","3","2","6","4","4","3","1") = "5"
    & skf21("2","3","2","6","4","4","4","1") = "5"
    & skf21("2","3","2","6","4","4","5","1") = "5"
    & skf21("2","3","2","6","4","4","6","1") = "5"
    & skf21("2","3","2","6","4","4","7","1") = "6"
    & skf21("2","3","2","6","4","5","1","1") = "5"
    & skf21("2","3","2","6","4","5","2","1") = "5"
    & skf21("2","3","2","6","4","5","3","1") = "5"
    & skf21("2","3","2","6","4","5","4","1") = "5"
    & skf21("2","3","2","6","4","5","5","1") = "5"
    & skf21("2","3","2","6","4","5","6","1") = "5"
    & skf21("2","3","2","6","4","5","7","1") = "6"
    & skf21("2","3","2","6","4","6","1","1") = "5"
    & skf21("2","3","2","6","4","6","2","1") = "5"
    & skf21("2","3","2","6","4","6","3","1") = "5"
    & skf21("2","3","2","6","4","6","4","1") = "5"
    & skf21("2","3","2","6","4","6","5","1") = "5"
    & skf21("2","3","2","6","4","6","6","1") = "5"
    & skf21("2","3","2","6","4","6","7","1") = "6"
    & skf21("2","3","2","6","4","7","1","1") = "6"
    & skf21("2","3","2","6","4","7","2","1") = "6"
    & skf21("2","3","2","6","4","7","3","1") = "6"
    & skf21("2","3","2","6","4","7","4","1") = "6"
    & skf21("2","3","2","6","4","7","5","1") = "6"
    & skf21("2","3","2","6","4","7","6","1") = "6"
    & skf21("2","3","2","6","4","7","7","1") = "6"
    & skf21("2","3","2","6","5","1","1","1") = "5"
    & skf21("2","3","2","6","5","1","2","1") = "5"
    & skf21("2","3","2","6","5","1","3","1") = "5"
    & skf21("2","3","2","6","5","1","4","1") = "5"
    & skf21("2","3","2","6","5","1","5","1") = "5"
    & skf21("2","3","2","6","5","1","6","1") = "5"
    & skf21("2","3","2","6","5","1","7","1") = "6"
    & skf21("2","3","2","6","5","2","1","1") = "5"
    & skf21("2","3","2","6","5","2","2","1") = "5"
    & skf21("2","3","2","6","5","2","3","1") = "5"
    & skf21("2","3","2","6","5","2","4","1") = "5"
    & skf21("2","3","2","6","5","2","5","1") = "5"
    & skf21("2","3","2","6","5","2","6","1") = "5"
    & skf21("2","3","2","6","5","2","7","1") = "6"
    & skf21("2","3","2","6","5","3","1","1") = "5"
    & skf21("2","3","2","6","5","3","2","1") = "5"
    & skf21("2","3","2","6","5","3","3","1") = "5"
    & skf21("2","3","2","6","5","3","4","1") = "5"
    & skf21("2","3","2","6","5","3","5","1") = "5"
    & skf21("2","3","2","6","5","3","6","1") = "5"
    & skf21("2","3","2","6","5","3","7","1") = "6"
    & skf21("2","3","2","6","5","4","1","1") = "5"
    & skf21("2","3","2","6","5","4","2","1") = "5"
    & skf21("2","3","2","6","5","4","3","1") = "5"
    & skf21("2","3","2","6","5","4","4","1") = "5"
    & skf21("2","3","2","6","5","4","5","1") = "5"
    & skf21("2","3","2","6","5","4","6","1") = "5"
    & skf21("2","3","2","6","5","4","7","1") = "6"
    & skf21("2","3","2","6","5","5","1","1") = "5"
    & skf21("2","3","2","6","5","5","2","1") = "5"
    & skf21("2","3","2","6","5","5","3","1") = "5"
    & skf21("2","3","2","6","5","5","4","1") = "5"
    & skf21("2","3","2","6","5","5","5","1") = "5"
    & skf21("2","3","2","6","5","5","6","1") = "5"
    & skf21("2","3","2","6","5","5","7","1") = "6"
    & skf21("2","3","2","6","5","6","1","1") = "5"
    & skf21("2","3","2","6","5","6","2","1") = "5"
    & skf21("2","3","2","6","5","6","3","1") = "5"
    & skf21("2","3","2","6","5","6","4","1") = "5"
    & skf21("2","3","2","6","5","6","5","1") = "5"
    & skf21("2","3","2","6","5","6","6","1") = "5"
    & skf21("2","3","2","6","5","6","7","1") = "6"
    & skf21("2","3","2","6","5","7","1","1") = "6"
    & skf21("2","3","2","6","5","7","2","1") = "6"
    & skf21("2","3","2","6","5","7","3","1") = "6"
    & skf21("2","3","2","6","5","7","4","1") = "6"
    & skf21("2","3","2","6","5","7","5","1") = "6"
    & skf21("2","3","2","6","5","7","6","1") = "6"
    & skf21("2","3","2","6","5","7","7","1") = "6"
    & skf21("2","3","2","6","6","1","1","1") = "5"
    & skf21("2","3","2","6","6","1","2","1") = "5"
    & skf21("2","3","2","6","6","1","3","1") = "5"
    & skf21("2","3","2","6","6","1","4","1") = "5"
    & skf21("2","3","2","6","6","1","5","1") = "5"
    & skf21("2","3","2","6","6","1","6","1") = "5"
    & skf21("2","3","2","6","6","1","7","1") = "6"
    & skf21("2","3","2","6","6","2","1","1") = "5"
    & skf21("2","3","2","6","6","2","2","1") = "5"
    & skf21("2","3","2","6","6","2","3","1") = "5"
    & skf21("2","3","2","6","6","2","4","1") = "5"
    & skf21("2","3","2","6","6","2","5","1") = "5"
    & skf21("2","3","2","6","6","2","6","1") = "5"
    & skf21("2","3","2","6","6","2","7","1") = "6"
    & skf21("2","3","2","6","6","3","1","1") = "5"
    & skf21("2","3","2","6","6","3","2","1") = "5"
    & skf21("2","3","2","6","6","3","3","1") = "5"
    & skf21("2","3","2","6","6","3","4","1") = "5"
    & skf21("2","3","2","6","6","3","5","1") = "5"
    & skf21("2","3","2","6","6","3","6","1") = "5"
    & skf21("2","3","2","6","6","3","7","1") = "6"
    & skf21("2","3","2","6","6","4","1","1") = "5"
    & skf21("2","3","2","6","6","4","2","1") = "5"
    & skf21("2","3","2","6","6","4","3","1") = "5"
    & skf21("2","3","2","6","6","4","4","1") = "5"
    & skf21("2","3","2","6","6","4","5","1") = "5"
    & skf21("2","3","2","6","6","4","6","1") = "5"
    & skf21("2","3","2","6","6","4","7","1") = "6"
    & skf21("2","3","2","6","6","5","1","1") = "5"
    & skf21("2","3","2","6","6","5","2","1") = "5"
    & skf21("2","3","2","6","6","5","3","1") = "5"
    & skf21("2","3","2","6","6","5","4","1") = "5"
    & skf21("2","3","2","6","6","5","5","1") = "5"
    & skf21("2","3","2","6","6","5","6","1") = "5"
    & skf21("2","3","2","6","6","5","7","1") = "6"
    & skf21("2","3","2","6","6","6","1","1") = "5"
    & skf21("2","3","2","6","6","6","2","1") = "5"
    & skf21("2","3","2","6","6","6","3","1") = "5"
    & skf21("2","3","2","6","6","6","4","1") = "5"
    & skf21("2","3","2","6","6","6","5","1") = "5"
    & skf21("2","3","2","6","6","6","6","1") = "5"
    & skf21("2","3","2","6","6","6","7","1") = "6"
    & skf21("2","3","2","6","6","7","1","1") = "6"
    & skf21("2","3","2","6","6","7","2","1") = "6"
    & skf21("2","3","2","6","6","7","3","1") = "6"
    & skf21("2","3","2","6","6","7","4","1") = "6"
    & skf21("2","3","2","6","6","7","5","1") = "6"
    & skf21("2","3","2","6","6","7","6","1") = "6"
    & skf21("2","3","2","6","6","7","7","1") = "6"
    & skf21("2","3","2","6","7","1","1","1") = "6"
    & skf21("2","3","2","6","7","1","2","1") = "6"
    & skf21("2","3","2","6","7","1","3","1") = "6"
    & skf21("2","3","2","6","7","1","4","1") = "6"
    & skf21("2","3","2","6","7","1","5","1") = "6"
    & skf21("2","3","2","6","7","1","6","1") = "6"
    & skf21("2","3","2","6","7","1","7","1") = "6"
    & skf21("2","3","2","6","7","2","1","1") = "6"
    & skf21("2","3","2","6","7","2","2","1") = "6"
    & skf21("2","3","2","6","7","2","3","1") = "6"
    & skf21("2","3","2","6","7","2","4","1") = "6"
    & skf21("2","3","2","6","7","2","5","1") = "6"
    & skf21("2","3","2","6","7","2","6","1") = "6"
    & skf21("2","3","2","6","7","2","7","1") = "6"
    & skf21("2","3","2","6","7","3","1","1") = "6"
    & skf21("2","3","2","6","7","3","2","1") = "6"
    & skf21("2","3","2","6","7","3","3","1") = "6"
    & skf21("2","3","2","6","7","3","4","1") = "6"
    & skf21("2","3","2","6","7","3","5","1") = "6"
    & skf21("2","3","2","6","7","3","6","1") = "6"
    & skf21("2","3","2","6","7","3","7","1") = "6"
    & skf21("2","3","2","6","7","4","1","1") = "6"
    & skf21("2","3","2","6","7","4","2","1") = "6"
    & skf21("2","3","2","6","7","4","3","1") = "6"
    & skf21("2","3","2","6","7","4","4","1") = "6"
    & skf21("2","3","2","6","7","4","5","1") = "6"
    & skf21("2","3","2","6","7","4","6","1") = "6"
    & skf21("2","3","2","6","7","4","7","1") = "6"
    & skf21("2","3","2","6","7","5","1","1") = "6"
    & skf21("2","3","2","6","7","5","2","1") = "6"
    & skf21("2","3","2","6","7","5","3","1") = "6"
    & skf21("2","3","2","6","7","5","4","1") = "6"
    & skf21("2","3","2","6","7","5","5","1") = "6"
    & skf21("2","3","2","6","7","5","6","1") = "6"
    & skf21("2","3","2","6","7","5","7","1") = "6"
    & skf21("2","3","2","6","7","6","1","1") = "6"
    & skf21("2","3","2","6","7","6","2","1") = "6"
    & skf21("2","3","2","6","7","6","3","1") = "6"
    & skf21("2","3","2","6","7","6","4","1") = "6"
    & skf21("2","3","2","6","7","6","5","1") = "6"
    & skf21("2","3","2","6","7","6","6","1") = "6"
    & skf21("2","3","2","6","7","6","7","1") = "6"
    & skf21("2","3","2","6","7","7","1","1") = "6"
    & skf21("2","3","2","6","7","7","2","1") = "6"
    & skf21("2","3","2","6","7","7","3","1") = "6"
    & skf21("2","3","2","6","7","7","4","1") = "6"
    & skf21("2","3","2","6","7","7","5","1") = "6"
    & skf21("2","3","2","6","7","7","6","1") = "6"
    & skf21("2","3","2","6","7","7","7","1") = "6"
    & skf21("2","3","2","7","1","1","1","1") = "6"
    & skf21("2","3","2","7","1","1","2","1") = "6"
    & skf21("2","3","2","7","1","1","3","1") = "6"
    & skf21("2","3","2","7","1","1","4","1") = "6"
    & skf21("2","3","2","7","1","1","5","1") = "6"
    & skf21("2","3","2","7","1","1","6","1") = "6"
    & skf21("2","3","2","7","1","1","7","1") = "6"
    & skf21("2","3","2","7","1","2","1","1") = "6"
    & skf21("2","3","2","7","1","2","2","1") = "6"
    & skf21("2","3","2","7","1","2","3","1") = "6"
    & skf21("2","3","2","7","1","2","4","1") = "6"
    & skf21("2","3","2","7","1","2","5","1") = "6"
    & skf21("2","3","2","7","1","2","6","1") = "6"
    & skf21("2","3","2","7","1","2","7","1") = "6"
    & skf21("2","3","2","7","1","3","1","1") = "6"
    & skf21("2","3","2","7","1","3","2","1") = "6"
    & skf21("2","3","2","7","1","3","3","1") = "6"
    & skf21("2","3","2","7","1","3","4","1") = "6"
    & skf21("2","3","2","7","1","3","5","1") = "6"
    & skf21("2","3","2","7","1","3","6","1") = "6"
    & skf21("2","3","2","7","1","3","7","1") = "6"
    & skf21("2","3","2","7","1","4","1","1") = "6"
    & skf21("2","3","2","7","1","4","2","1") = "6"
    & skf21("2","3","2","7","1","4","3","1") = "6"
    & skf21("2","3","2","7","1","4","4","1") = "6"
    & skf21("2","3","2","7","1","4","5","1") = "6"
    & skf21("2","3","2","7","1","4","6","1") = "6"
    & skf21("2","3","2","7","1","4","7","1") = "6"
    & skf21("2","3","2","7","1","5","1","1") = "6"
    & skf21("2","3","2","7","1","5","2","1") = "6"
    & skf21("2","3","2","7","1","5","3","1") = "6"
    & skf21("2","3","2","7","1","5","4","1") = "6"
    & skf21("2","3","2","7","1","5","5","1") = "6"
    & skf21("2","3","2","7","1","5","6","1") = "6"
    & skf21("2","3","2","7","1","5","7","1") = "6"
    & skf21("2","3","2","7","1","6","1","1") = "6"
    & skf21("2","3","2","7","1","6","2","1") = "6"
    & skf21("2","3","2","7","1","6","3","1") = "6"
    & skf21("2","3","2","7","1","6","4","1") = "6"
    & skf21("2","3","2","7","1","6","5","1") = "6"
    & skf21("2","3","2","7","1","6","6","1") = "6"
    & skf21("2","3","2","7","1","6","7","1") = "6"
    & skf21("2","3","2","7","1","7","1","1") = "6"
    & skf21("2","3","2","7","1","7","2","1") = "6"
    & skf21("2","3","2","7","1","7","3","1") = "6"
    & skf21("2","3","2","7","1","7","4","1") = "6"
    & skf21("2","3","2","7","1","7","5","1") = "6"
    & skf21("2","3","2","7","1","7","6","1") = "6"
    & skf21("2","3","2","7","1","7","7","1") = "6"
    & skf21("2","3","2","7","2","1","1","1") = "6"
    & skf21("2","3","2","7","2","1","2","1") = "6"
    & skf21("2","3","2","7","2","1","3","1") = "6"
    & skf21("2","3","2","7","2","1","4","1") = "6"
    & skf21("2","3","2","7","2","1","5","1") = "6"
    & skf21("2","3","2","7","2","1","6","1") = "6"
    & skf21("2","3","2","7","2","1","7","1") = "6"
    & skf21("2","3","2","7","2","2","1","1") = "6"
    & skf21("2","3","2","7","2","2","2","1") = "6"
    & skf21("2","3","2","7","2","2","3","1") = "6"
    & skf21("2","3","2","7","2","2","4","1") = "6"
    & skf21("2","3","2","7","2","2","5","1") = "6"
    & skf21("2","3","2","7","2","2","6","1") = "6"
    & skf21("2","3","2","7","2","2","7","1") = "6"
    & skf21("2","3","2","7","2","3","1","1") = "6"
    & skf21("2","3","2","7","2","3","2","1") = "6"
    & skf21("2","3","2","7","2","3","3","1") = "6"
    & skf21("2","3","2","7","2","3","4","1") = "6"
    & skf21("2","3","2","7","2","3","5","1") = "6"
    & skf21("2","3","2","7","2","3","6","1") = "6"
    & skf21("2","3","2","7","2","3","7","1") = "6"
    & skf21("2","3","2","7","2","4","1","1") = "6"
    & skf21("2","3","2","7","2","4","2","1") = "6"
    & skf21("2","3","2","7","2","4","3","1") = "6"
    & skf21("2","3","2","7","2","4","4","1") = "6"
    & skf21("2","3","2","7","2","4","5","1") = "6"
    & skf21("2","3","2","7","2","4","6","1") = "6"
    & skf21("2","3","2","7","2","4","7","1") = "6"
    & skf21("2","3","2","7","2","5","1","1") = "6"
    & skf21("2","3","2","7","2","5","2","1") = "6"
    & skf21("2","3","2","7","2","5","3","1") = "6"
    & skf21("2","3","2","7","2","5","4","1") = "6"
    & skf21("2","3","2","7","2","5","5","1") = "6"
    & skf21("2","3","2","7","2","5","6","1") = "6"
    & skf21("2","3","2","7","2","5","7","1") = "6"
    & skf21("2","3","2","7","2","6","1","1") = "6"
    & skf21("2","3","2","7","2","6","2","1") = "6"
    & skf21("2","3","2","7","2","6","3","1") = "6"
    & skf21("2","3","2","7","2","6","4","1") = "6"
    & skf21("2","3","2","7","2","6","5","1") = "6"
    & skf21("2","3","2","7","2","6","6","1") = "6"
    & skf21("2","3","2","7","2","6","7","1") = "6"
    & skf21("2","3","2","7","2","7","1","1") = "6"
    & skf21("2","3","2","7","2","7","2","1") = "6"
    & skf21("2","3","2","7","2","7","3","1") = "6"
    & skf21("2","3","2","7","2","7","4","1") = "6"
    & skf21("2","3","2","7","2","7","5","1") = "6"
    & skf21("2","3","2","7","2","7","6","1") = "6"
    & skf21("2","3","2","7","2","7","7","1") = "6"
    & skf21("2","3","2","7","3","1","1","1") = "6"
    & skf21("2","3","2","7","3","1","2","1") = "6"
    & skf21("2","3","2","7","3","1","3","1") = "6"
    & skf21("2","3","2","7","3","1","4","1") = "6"
    & skf21("2","3","2","7","3","1","5","1") = "6"
    & skf21("2","3","2","7","3","1","6","1") = "6"
    & skf21("2","3","2","7","3","1","7","1") = "6"
    & skf21("2","3","2","7","3","2","1","1") = "6"
    & skf21("2","3","2","7","3","2","2","1") = "6"
    & skf21("2","3","2","7","3","2","3","1") = "6"
    & skf21("2","3","2","7","3","2","4","1") = "6"
    & skf21("2","3","2","7","3","2","5","1") = "6"
    & skf21("2","3","2","7","3","2","6","1") = "6"
    & skf21("2","3","2","7","3","2","7","1") = "6"
    & skf21("2","3","2","7","3","3","1","1") = "6"
    & skf21("2","3","2","7","3","3","2","1") = "6"
    & skf21("2","3","2","7","3","3","3","1") = "6"
    & skf21("2","3","2","7","3","3","4","1") = "6"
    & skf21("2","3","2","7","3","3","5","1") = "6"
    & skf21("2","3","2","7","3","3","6","1") = "6"
    & skf21("2","3","2","7","3","3","7","1") = "6"
    & skf21("2","3","2","7","3","4","1","1") = "6"
    & skf21("2","3","2","7","3","4","2","1") = "6"
    & skf21("2","3","2","7","3","4","3","1") = "6"
    & skf21("2","3","2","7","3","4","4","1") = "6"
    & skf21("2","3","2","7","3","4","5","1") = "6"
    & skf21("2","3","2","7","3","4","6","1") = "6"
    & skf21("2","3","2","7","3","4","7","1") = "6"
    & skf21("2","3","2","7","3","5","1","1") = "6"
    & skf21("2","3","2","7","3","5","2","1") = "6"
    & skf21("2","3","2","7","3","5","3","1") = "6"
    & skf21("2","3","2","7","3","5","4","1") = "6"
    & skf21("2","3","2","7","3","5","5","1") = "6"
    & skf21("2","3","2","7","3","5","6","1") = "6"
    & skf21("2","3","2","7","3","5","7","1") = "6"
    & skf21("2","3","2","7","3","6","1","1") = "6"
    & skf21("2","3","2","7","3","6","2","1") = "6"
    & skf21("2","3","2","7","3","6","3","1") = "6"
    & skf21("2","3","2","7","3","6","4","1") = "6"
    & skf21("2","3","2","7","3","6","5","1") = "6"
    & skf21("2","3","2","7","3","6","6","1") = "6"
    & skf21("2","3","2","7","3","6","7","1") = "6"
    & skf21("2","3","2","7","3","7","1","1") = "6"
    & skf21("2","3","2","7","3","7","2","1") = "6"
    & skf21("2","3","2","7","3","7","3","1") = "6"
    & skf21("2","3","2","7","3","7","4","1") = "6"
    & skf21("2","3","2","7","3","7","5","1") = "6"
    & skf21("2","3","2","7","3","7","6","1") = "6"
    & skf21("2","3","2","7","3","7","7","1") = "6"
    & skf21("2","3","2","7","4","1","1","1") = "6"
    & skf21("2","3","2","7","4","1","2","1") = "6"
    & skf21("2","3","2","7","4","1","3","1") = "6"
    & skf21("2","3","2","7","4","1","4","1") = "6"
    & skf21("2","3","2","7","4","1","5","1") = "6"
    & skf21("2","3","2","7","4","1","6","1") = "6"
    & skf21("2","3","2","7","4","1","7","1") = "6"
    & skf21("2","3","2","7","4","2","1","1") = "6"
    & skf21("2","3","2","7","4","2","2","1") = "6"
    & skf21("2","3","2","7","4","2","3","1") = "6"
    & skf21("2","3","2","7","4","2","4","1") = "6"
    & skf21("2","3","2","7","4","2","5","1") = "6"
    & skf21("2","3","2","7","4","2","6","1") = "6"
    & skf21("2","3","2","7","4","2","7","1") = "6"
    & skf21("2","3","2","7","4","3","1","1") = "6"
    & skf21("2","3","2","7","4","3","2","1") = "6"
    & skf21("2","3","2","7","4","3","3","1") = "6"
    & skf21("2","3","2","7","4","3","4","1") = "6"
    & skf21("2","3","2","7","4","3","5","1") = "6"
    & skf21("2","3","2","7","4","3","6","1") = "6"
    & skf21("2","3","2","7","4","3","7","1") = "6"
    & skf21("2","3","2","7","4","4","1","1") = "6"
    & skf21("2","3","2","7","4","4","2","1") = "6"
    & skf21("2","3","2","7","4","4","3","1") = "6"
    & skf21("2","3","2","7","4","4","4","1") = "6"
    & skf21("2","3","2","7","4","4","5","1") = "6"
    & skf21("2","3","2","7","4","4","6","1") = "6"
    & skf21("2","3","2","7","4","4","7","1") = "6"
    & skf21("2","3","2","7","4","5","1","1") = "6"
    & skf21("2","3","2","7","4","5","2","1") = "6"
    & skf21("2","3","2","7","4","5","3","1") = "6"
    & skf21("2","3","2","7","4","5","4","1") = "6"
    & skf21("2","3","2","7","4","5","5","1") = "6"
    & skf21("2","3","2","7","4","5","6","1") = "6"
    & skf21("2","3","2","7","4","5","7","1") = "6"
    & skf21("2","3","2","7","4","6","1","1") = "6"
    & skf21("2","3","2","7","4","6","2","1") = "6"
    & skf21("2","3","2","7","4","6","3","1") = "6"
    & skf21("2","3","2","7","4","6","4","1") = "6"
    & skf21("2","3","2","7","4","6","5","1") = "6"
    & skf21("2","3","2","7","4","6","6","1") = "6"
    & skf21("2","3","2","7","4","6","7","1") = "6"
    & skf21("2","3","2","7","4","7","1","1") = "6"
    & skf21("2","3","2","7","4","7","2","1") = "6"
    & skf21("2","3","2","7","4","7","3","1") = "6"
    & skf21("2","3","2","7","4","7","4","1") = "6"
    & skf21("2","3","2","7","4","7","5","1") = "6"
    & skf21("2","3","2","7","4","7","6","1") = "6"
    & skf21("2","3","2","7","4","7","7","1") = "6"
    & skf21("2","3","2","7","5","1","1","1") = "6"
    & skf21("2","3","2","7","5","1","2","1") = "6"
    & skf21("2","3","2","7","5","1","3","1") = "6"
    & skf21("2","3","2","7","5","1","4","1") = "6"
    & skf21("2","3","2","7","5","1","5","1") = "6"
    & skf21("2","3","2","7","5","1","6","1") = "6"
    & skf21("2","3","2","7","5","1","7","1") = "6"
    & skf21("2","3","2","7","5","2","1","1") = "6"
    & skf21("2","3","2","7","5","2","2","1") = "6"
    & skf21("2","3","2","7","5","2","3","1") = "6"
    & skf21("2","3","2","7","5","2","4","1") = "6"
    & skf21("2","3","2","7","5","2","5","1") = "6"
    & skf21("2","3","2","7","5","2","6","1") = "6"
    & skf21("2","3","2","7","5","2","7","1") = "6"
    & skf21("2","3","2","7","5","3","1","1") = "6"
    & skf21("2","3","2","7","5","3","2","1") = "6"
    & skf21("2","3","2","7","5","3","3","1") = "6"
    & skf21("2","3","2","7","5","3","4","1") = "6"
    & skf21("2","3","2","7","5","3","5","1") = "6"
    & skf21("2","3","2","7","5","3","6","1") = "6"
    & skf21("2","3","2","7","5","3","7","1") = "6"
    & skf21("2","3","2","7","5","4","1","1") = "6"
    & skf21("2","3","2","7","5","4","2","1") = "6"
    & skf21("2","3","2","7","5","4","3","1") = "6"
    & skf21("2","3","2","7","5","4","4","1") = "6"
    & skf21("2","3","2","7","5","4","5","1") = "6"
    & skf21("2","3","2","7","5","4","6","1") = "6"
    & skf21("2","3","2","7","5","4","7","1") = "6"
    & skf21("2","3","2","7","5","5","1","1") = "6"
    & skf21("2","3","2","7","5","5","2","1") = "6"
    & skf21("2","3","2","7","5","5","3","1") = "6"
    & skf21("2","3","2","7","5","5","4","1") = "6"
    & skf21("2","3","2","7","5","5","5","1") = "6"
    & skf21("2","3","2","7","5","5","6","1") = "6"
    & skf21("2","3","2","7","5","5","7","1") = "6"
    & skf21("2","3","2","7","5","6","1","1") = "6"
    & skf21("2","3","2","7","5","6","2","1") = "6"
    & skf21("2","3","2","7","5","6","3","1") = "6"
    & skf21("2","3","2","7","5","6","4","1") = "6"
    & skf21("2","3","2","7","5","6","5","1") = "6"
    & skf21("2","3","2","7","5","6","6","1") = "6"
    & skf21("2","3","2","7","5","6","7","1") = "6"
    & skf21("2","3","2","7","5","7","1","1") = "6"
    & skf21("2","3","2","7","5","7","2","1") = "6"
    & skf21("2","3","2","7","5","7","3","1") = "6"
    & skf21("2","3","2","7","5","7","4","1") = "6"
    & skf21("2","3","2","7","5","7","5","1") = "6"
    & skf21("2","3","2","7","5","7","6","1") = "6"
    & skf21("2","3","2","7","5","7","7","1") = "6"
    & skf21("2","3","2","7","6","1","1","1") = "6"
    & skf21("2","3","2","7","6","1","2","1") = "6"
    & skf21("2","3","2","7","6","1","3","1") = "6"
    & skf21("2","3","2","7","6","1","4","1") = "6"
    & skf21("2","3","2","7","6","1","5","1") = "6"
    & skf21("2","3","2","7","6","1","6","1") = "6"
    & skf21("2","3","2","7","6","1","7","1") = "6"
    & skf21("2","3","2","7","6","2","1","1") = "6"
    & skf21("2","3","2","7","6","2","2","1") = "6"
    & skf21("2","3","2","7","6","2","3","1") = "6"
    & skf21("2","3","2","7","6","2","4","1") = "6"
    & skf21("2","3","2","7","6","2","5","1") = "6"
    & skf21("2","3","2","7","6","2","6","1") = "6"
    & skf21("2","3","2","7","6","2","7","1") = "6"
    & skf21("2","3","2","7","6","3","1","1") = "6"
    & skf21("2","3","2","7","6","3","2","1") = "6"
    & skf21("2","3","2","7","6","3","3","1") = "6"
    & skf21("2","3","2","7","6","3","4","1") = "6"
    & skf21("2","3","2","7","6","3","5","1") = "6"
    & skf21("2","3","2","7","6","3","6","1") = "6"
    & skf21("2","3","2","7","6","3","7","1") = "6"
    & skf21("2","3","2","7","6","4","1","1") = "6"
    & skf21("2","3","2","7","6","4","2","1") = "6"
    & skf21("2","3","2","7","6","4","3","1") = "6"
    & skf21("2","3","2","7","6","4","4","1") = "6"
    & skf21("2","3","2","7","6","4","5","1") = "6"
    & skf21("2","3","2","7","6","4","6","1") = "6"
    & skf21("2","3","2","7","6","4","7","1") = "6"
    & skf21("2","3","2","7","6","5","1","1") = "6"
    & skf21("2","3","2","7","6","5","2","1") = "6"
    & skf21("2","3","2","7","6","5","3","1") = "6"
    & skf21("2","3","2","7","6","5","4","1") = "6"
    & skf21("2","3","2","7","6","5","5","1") = "6"
    & skf21("2","3","2","7","6","5","6","1") = "6"
    & skf21("2","3","2","7","6","5","7","1") = "6"
    & skf21("2","3","2","7","6","6","1","1") = "6"
    & skf21("2","3","2","7","6","6","2","1") = "6"
    & skf21("2","3","2","7","6","6","3","1") = "6"
    & skf21("2","3","2","7","6","6","4","1") = "6"
    & skf21("2","3","2","7","6","6","5","1") = "6"
    & skf21("2","3","2","7","6","6","6","1") = "6"
    & skf21("2","3","2","7","6","6","7","1") = "6"
    & skf21("2","3","2","7","6","7","1","1") = "6"
    & skf21("2","3","2","7","6","7","2","1") = "6"
    & skf21("2","3","2","7","6","7","3","1") = "6"
    & skf21("2","3","2","7","6","7","4","1") = "6"
    & skf21("2","3","2","7","6","7","5","1") = "6"
    & skf21("2","3","2","7","6","7","6","1") = "6"
    & skf21("2","3","2","7","6","7","7","1") = "6"
    & skf21("2","3","2","7","7","1","1","1") = "6"
    & skf21("2","3","2","7","7","1","2","1") = "6"
    & skf21("2","3","2","7","7","1","3","1") = "6"
    & skf21("2","3","2","7","7","1","4","1") = "6"
    & skf21("2","3","2","7","7","1","5","1") = "6"
    & skf21("2","3","2","7","7","1","6","1") = "6"
    & skf21("2","3","2","7","7","1","7","1") = "6"
    & skf21("2","3","2","7","7","2","1","1") = "6"
    & skf21("2","3","2","7","7","2","2","1") = "6"
    & skf21("2","3","2","7","7","2","3","1") = "6"
    & skf21("2","3","2","7","7","2","4","1") = "6"
    & skf21("2","3","2","7","7","2","5","1") = "6"
    & skf21("2","3","2","7","7","2","6","1") = "6"
    & skf21("2","3","2","7","7","2","7","1") = "6"
    & skf21("2","3","2","7","7","3","1","1") = "6"
    & skf21("2","3","2","7","7","3","2","1") = "6"
    & skf21("2","3","2","7","7","3","3","1") = "6"
    & skf21("2","3","2","7","7","3","4","1") = "6"
    & skf21("2","3","2","7","7","3","5","1") = "6"
    & skf21("2","3","2","7","7","3","6","1") = "6"
    & skf21("2","3","2","7","7","3","7","1") = "6"
    & skf21("2","3","2","7","7","4","1","1") = "6"
    & skf21("2","3","2","7","7","4","2","1") = "6"
    & skf21("2","3","2","7","7","4","3","1") = "6"
    & skf21("2","3","2","7","7","4","4","1") = "6"
    & skf21("2","3","2","7","7","4","5","1") = "6"
    & skf21("2","3","2","7","7","4","6","1") = "6"
    & skf21("2","3","2","7","7","4","7","1") = "6"
    & skf21("2","3","2","7","7","5","1","1") = "6"
    & skf21("2","3","2","7","7","5","2","1") = "6"
    & skf21("2","3","2","7","7","5","3","1") = "6"
    & skf21("2","3","2","7","7","5","4","1") = "6"
    & skf21("2","3","2","7","7","5","5","1") = "6"
    & skf21("2","3","2","7","7","5","6","1") = "6"
    & skf21("2","3","2","7","7","5","7","1") = "6"
    & skf21("2","3","2","7","7","6","1","1") = "6"
    & skf21("2","3","2","7","7","6","2","1") = "6"
    & skf21("2","3","2","7","7","6","3","1") = "6"
    & skf21("2","3","2","7","7","6","4","1") = "6"
    & skf21("2","3","2","7","7","6","5","1") = "6"
    & skf21("2","3","2","7","7","6","6","1") = "6"
    & skf21("2","3","2","7","7","6","7","1") = "6"
    & skf21("2","3","2","7","7","7","1","1") = "6"
    & skf21("2","3","2","7","7","7","2","1") = "6"
    & skf21("2","3","2","7","7","7","3","1") = "6"
    & skf21("2","3","2","7","7","7","4","1") = "6"
    & skf21("2","3","2","7","7","7","5","1") = "6"
    & skf21("2","3","2","7","7","7","6","1") = "6"
    & skf21("2","3","2","7","7","7","7","1") = "6"
    & skf21("2","3","3","1","1","1","1","1") = "2"
    & skf21("2","3","3","1","1","1","2","1") = "2"
    & skf21("2","3","3","1","1","1","3","1") = "2"
    & skf21("2","3","3","1","1","1","4","1") = "3"
    & skf21("2","3","3","1","1","1","5","1") = "4"
    & skf21("2","3","3","1","1","1","6","1") = "5"
    & skf21("2","3","3","1","1","1","7","1") = "6"
    & skf21("2","3","3","1","1","2","1","1") = "2"
    & skf21("2","3","3","1","1","2","2","1") = "2"
    & skf21("2","3","3","1","1","2","3","1") = "2"
    & skf21("2","3","3","1","1","2","4","1") = "3"
    & skf21("2","3","3","1","1","2","5","1") = "4"
    & skf21("2","3","3","1","1","2","6","1") = "5"
    & skf21("2","3","3","1","1","2","7","1") = "6"
    & skf21("2","3","3","1","1","3","1","1") = "2"
    & skf21("2","3","3","1","1","3","2","1") = "2"
    & skf21("2","3","3","1","1","3","3","1") = "2"
    & skf21("2","3","3","1","1","3","4","1") = "3"
    & skf21("2","3","3","1","1","3","5","1") = "4"
    & skf21("2","3","3","1","1","3","6","1") = "5"
    & skf21("2","3","3","1","1","3","7","1") = "6"
    & skf21("2","3","3","1","1","4","1","1") = "3"
    & skf21("2","3","3","1","1","4","2","1") = "3"
    & skf21("2","3","3","1","1","4","3","1") = "3"
    & skf21("2","3","3","1","1","4","4","1") = "3"
    & skf21("2","3","3","1","1","4","5","1") = "4"
    & skf21("2","3","3","1","1","4","6","1") = "5"
    & skf21("2","3","3","1","1","4","7","1") = "6"
    & skf21("2","3","3","1","1","5","1","1") = "4"
    & skf21("2","3","3","1","1","5","2","1") = "4"
    & skf21("2","3","3","1","1","5","3","1") = "4"
    & skf21("2","3","3","1","1","5","4","1") = "4"
    & skf21("2","3","3","1","1","5","5","1") = "4"
    & skf21("2","3","3","1","1","5","6","1") = "5"
    & skf21("2","3","3","1","1","5","7","1") = "6"
    & skf21("2","3","3","1","1","6","1","1") = "5"
    & skf21("2","3","3","1","1","6","2","1") = "5"
    & skf21("2","3","3","1","1","6","3","1") = "5"
    & skf21("2","3","3","1","1","6","4","1") = "5"
    & skf21("2","3","3","1","1","6","5","1") = "5"
    & skf21("2","3","3","1","1","6","6","1") = "5"
    & skf21("2","3","3","1","1","6","7","1") = "6"
    & skf21("2","3","3","1","1","7","1","1") = "6"
    & skf21("2","3","3","1","1","7","2","1") = "6"
    & skf21("2","3","3","1","1","7","3","1") = "6"
    & skf21("2","3","3","1","1","7","4","1") = "6"
    & skf21("2","3","3","1","1","7","5","1") = "6"
    & skf21("2","3","3","1","1","7","6","1") = "6"
    & skf21("2","3","3","1","1","7","7","1") = "6"
    & skf21("2","3","3","1","2","1","1","1") = "2"
    & skf21("2","3","3","1","2","1","2","1") = "2"
    & skf21("2","3","3","1","2","1","3","1") = "2"
    & skf21("2","3","3","1","2","1","4","1") = "3"
    & skf21("2","3","3","1","2","1","5","1") = "4"
    & skf21("2","3","3","1","2","1","6","1") = "5"
    & skf21("2","3","3","1","2","1","7","1") = "6"
    & skf21("2","3","3","1","2","2","1","1") = "2"
    & skf21("2","3","3","1","2","2","2","1") = "2"
    & skf21("2","3","3","1","2","2","3","1") = "2"
    & skf21("2","3","3","1","2","2","4","1") = "3"
    & skf21("2","3","3","1","2","2","5","1") = "4"
    & skf21("2","3","3","1","2","2","6","1") = "5"
    & skf21("2","3","3","1","2","2","7","1") = "6"
    & skf21("2","3","3","1","2","3","1","1") = "2"
    & skf21("2","3","3","1","2","3","2","1") = "2"
    & skf21("2","3","3","1","2","3","3","1") = "2"
    & skf21("2","3","3","1","2","3","4","1") = "3"
    & skf21("2","3","3","1","2","3","5","1") = "4"
    & skf21("2","3","3","1","2","3","6","1") = "5"
    & skf21("2","3","3","1","2","3","7","1") = "6"
    & skf21("2","3","3","1","2","4","1","1") = "3"
    & skf21("2","3","3","1","2","4","2","1") = "3"
    & skf21("2","3","3","1","2","4","3","1") = "3"
    & skf21("2","3","3","1","2","4","4","1") = "3"
    & skf21("2","3","3","1","2","4","5","1") = "4"
    & skf21("2","3","3","1","2","4","6","1") = "5"
    & skf21("2","3","3","1","2","4","7","1") = "6"
    & skf21("2","3","3","1","2","5","1","1") = "4"
    & skf21("2","3","3","1","2","5","2","1") = "4"
    & skf21("2","3","3","1","2","5","3","1") = "4"
    & skf21("2","3","3","1","2","5","4","1") = "4"
    & skf21("2","3","3","1","2","5","5","1") = "4"
    & skf21("2","3","3","1","2","5","6","1") = "5"
    & skf21("2","3","3","1","2","5","7","1") = "6"
    & skf21("2","3","3","1","2","6","1","1") = "5"
    & skf21("2","3","3","1","2","6","2","1") = "5"
    & skf21("2","3","3","1","2","6","3","1") = "5"
    & skf21("2","3","3","1","2","6","4","1") = "5"
    & skf21("2","3","3","1","2","6","5","1") = "5"
    & skf21("2","3","3","1","2","6","6","1") = "5"
    & skf21("2","3","3","1","2","6","7","1") = "6"
    & skf21("2","3","3","1","2","7","1","1") = "6"
    & skf21("2","3","3","1","2","7","2","1") = "6"
    & skf21("2","3","3","1","2","7","3","1") = "6"
    & skf21("2","3","3","1","2","7","4","1") = "6"
    & skf21("2","3","3","1","2","7","5","1") = "6"
    & skf21("2","3","3","1","2","7","6","1") = "6"
    & skf21("2","3","3","1","2","7","7","1") = "6"
    & skf21("2","3","3","1","3","1","1","1") = "2"
    & skf21("2","3","3","1","3","1","2","1") = "2"
    & skf21("2","3","3","1","3","1","3","1") = "2"
    & skf21("2","3","3","1","3","1","4","1") = "3"
    & skf21("2","3","3","1","3","1","5","1") = "4"
    & skf21("2","3","3","1","3","1","6","1") = "5"
    & skf21("2","3","3","1","3","1","7","1") = "6"
    & skf21("2","3","3","1","3","2","1","1") = "2"
    & skf21("2","3","3","1","3","2","2","1") = "2"
    & skf21("2","3","3","1","3","2","3","1") = "2"
    & skf21("2","3","3","1","3","2","4","1") = "3"
    & skf21("2","3","3","1","3","2","5","1") = "4"
    & skf21("2","3","3","1","3","2","6","1") = "5"
    & skf21("2","3","3","1","3","2","7","1") = "6"
    & skf21("2","3","3","1","3","3","1","1") = "2"
    & skf21("2","3","3","1","3","3","2","1") = "2"
    & skf21("2","3","3","1","3","3","3","1") = "2"
    & skf21("2","3","3","1","3","3","4","1") = "3"
    & skf21("2","3","3","1","3","3","5","1") = "4"
    & skf21("2","3","3","1","3","3","6","1") = "5"
    & skf21("2","3","3","1","3","3","7","1") = "6"
    & skf21("2","3","3","1","3","4","1","1") = "3"
    & skf21("2","3","3","1","3","4","2","1") = "3"
    & skf21("2","3","3","1","3","4","3","1") = "3"
    & skf21("2","3","3","1","3","4","4","1") = "3"
    & skf21("2","3","3","1","3","4","5","1") = "4"
    & skf21("2","3","3","1","3","4","6","1") = "5"
    & skf21("2","3","3","1","3","4","7","1") = "6"
    & skf21("2","3","3","1","3","5","1","1") = "4"
    & skf21("2","3","3","1","3","5","2","1") = "4"
    & skf21("2","3","3","1","3","5","3","1") = "4"
    & skf21("2","3","3","1","3","5","4","1") = "4"
    & skf21("2","3","3","1","3","5","5","1") = "4"
    & skf21("2","3","3","1","3","5","6","1") = "5"
    & skf21("2","3","3","1","3","5","7","1") = "6"
    & skf21("2","3","3","1","3","6","1","1") = "5"
    & skf21("2","3","3","1","3","6","2","1") = "5"
    & skf21("2","3","3","1","3","6","3","1") = "5"
    & skf21("2","3","3","1","3","6","4","1") = "5"
    & skf21("2","3","3","1","3","6","5","1") = "5"
    & skf21("2","3","3","1","3","6","6","1") = "5"
    & skf21("2","3","3","1","3","6","7","1") = "6"
    & skf21("2","3","3","1","3","7","1","1") = "6"
    & skf21("2","3","3","1","3","7","2","1") = "6"
    & skf21("2","3","3","1","3","7","3","1") = "6"
    & skf21("2","3","3","1","3","7","4","1") = "6"
    & skf21("2","3","3","1","3","7","5","1") = "6"
    & skf21("2","3","3","1","3","7","6","1") = "6"
    & skf21("2","3","3","1","3","7","7","1") = "6"
    & skf21("2","3","3","1","4","1","1","1") = "3"
    & skf21("2","3","3","1","4","1","2","1") = "3"
    & skf21("2","3","3","1","4","1","3","1") = "3"
    & skf21("2","3","3","1","4","1","4","1") = "3"
    & skf21("2","3","3","1","4","1","5","1") = "4"
    & skf21("2","3","3","1","4","1","6","1") = "5"
    & skf21("2","3","3","1","4","1","7","1") = "6"
    & skf21("2","3","3","1","4","2","1","1") = "3"
    & skf21("2","3","3","1","4","2","2","1") = "3"
    & skf21("2","3","3","1","4","2","3","1") = "3"
    & skf21("2","3","3","1","4","2","4","1") = "3"
    & skf21("2","3","3","1","4","2","5","1") = "4"
    & skf21("2","3","3","1","4","2","6","1") = "5"
    & skf21("2","3","3","1","4","2","7","1") = "6"
    & skf21("2","3","3","1","4","3","1","1") = "3"
    & skf21("2","3","3","1","4","3","2","1") = "3"
    & skf21("2","3","3","1","4","3","3","1") = "3"
    & skf21("2","3","3","1","4","3","4","1") = "3"
    & skf21("2","3","3","1","4","3","5","1") = "4"
    & skf21("2","3","3","1","4","3","6","1") = "5"
    & skf21("2","3","3","1","4","3","7","1") = "6"
    & skf21("2","3","3","1","4","4","1","1") = "3"
    & skf21("2","3","3","1","4","4","2","1") = "3"
    & skf21("2","3","3","1","4","4","3","1") = "3"
    & skf21("2","3","3","1","4","4","4","1") = "3"
    & skf21("2","3","3","1","4","4","5","1") = "4"
    & skf21("2","3","3","1","4","4","6","1") = "5"
    & skf21("2","3","3","1","4","4","7","1") = "6"
    & skf21("2","3","3","1","4","5","1","1") = "4"
    & skf21("2","3","3","1","4","5","2","1") = "4"
    & skf21("2","3","3","1","4","5","3","1") = "4"
    & skf21("2","3","3","1","4","5","4","1") = "4"
    & skf21("2","3","3","1","4","5","5","1") = "4"
    & skf21("2","3","3","1","4","5","6","1") = "5"
    & skf21("2","3","3","1","4","5","7","1") = "6"
    & skf21("2","3","3","1","4","6","1","1") = "5"
    & skf21("2","3","3","1","4","6","2","1") = "5"
    & skf21("2","3","3","1","4","6","3","1") = "5"
    & skf21("2","3","3","1","4","6","4","1") = "5"
    & skf21("2","3","3","1","4","6","5","1") = "5"
    & skf21("2","3","3","1","4","6","6","1") = "5"
    & skf21("2","3","3","1","4","6","7","1") = "6"
    & skf21("2","3","3","1","4","7","1","1") = "6"
    & skf21("2","3","3","1","4","7","2","1") = "6"
    & skf21("2","3","3","1","4","7","3","1") = "6"
    & skf21("2","3","3","1","4","7","4","1") = "6"
    & skf21("2","3","3","1","4","7","5","1") = "6"
    & skf21("2","3","3","1","4","7","6","1") = "6"
    & skf21("2","3","3","1","4","7","7","1") = "6"
    & skf21("2","3","3","1","5","1","1","1") = "4"
    & skf21("2","3","3","1","5","1","2","1") = "4"
    & skf21("2","3","3","1","5","1","3","1") = "4"
    & skf21("2","3","3","1","5","1","4","1") = "4"
    & skf21("2","3","3","1","5","1","5","1") = "4"
    & skf21("2","3","3","1","5","1","6","1") = "5"
    & skf21("2","3","3","1","5","1","7","1") = "6"
    & skf21("2","3","3","1","5","2","1","1") = "4"
    & skf21("2","3","3","1","5","2","2","1") = "4"
    & skf21("2","3","3","1","5","2","3","1") = "4"
    & skf21("2","3","3","1","5","2","4","1") = "4"
    & skf21("2","3","3","1","5","2","5","1") = "4"
    & skf21("2","3","3","1","5","2","6","1") = "5"
    & skf21("2","3","3","1","5","2","7","1") = "6"
    & skf21("2","3","3","1","5","3","1","1") = "4"
    & skf21("2","3","3","1","5","3","2","1") = "4"
    & skf21("2","3","3","1","5","3","3","1") = "4"
    & skf21("2","3","3","1","5","3","4","1") = "4"
    & skf21("2","3","3","1","5","3","5","1") = "4"
    & skf21("2","3","3","1","5","3","6","1") = "5"
    & skf21("2","3","3","1","5","3","7","1") = "6"
    & skf21("2","3","3","1","5","4","1","1") = "4"
    & skf21("2","3","3","1","5","4","2","1") = "4"
    & skf21("2","3","3","1","5","4","3","1") = "4"
    & skf21("2","3","3","1","5","4","4","1") = "4"
    & skf21("2","3","3","1","5","4","5","1") = "4"
    & skf21("2","3","3","1","5","4","6","1") = "5"
    & skf21("2","3","3","1","5","4","7","1") = "6"
    & skf21("2","3","3","1","5","5","1","1") = "4"
    & skf21("2","3","3","1","5","5","2","1") = "4"
    & skf21("2","3","3","1","5","5","3","1") = "4"
    & skf21("2","3","3","1","5","5","4","1") = "4"
    & skf21("2","3","3","1","5","5","5","1") = "4"
    & skf21("2","3","3","1","5","5","6","1") = "5"
    & skf21("2","3","3","1","5","5","7","1") = "6"
    & skf21("2","3","3","1","5","6","1","1") = "5"
    & skf21("2","3","3","1","5","6","2","1") = "5"
    & skf21("2","3","3","1","5","6","3","1") = "5"
    & skf21("2","3","3","1","5","6","4","1") = "5"
    & skf21("2","3","3","1","5","6","5","1") = "5"
    & skf21("2","3","3","1","5","6","6","1") = "5"
    & skf21("2","3","3","1","5","6","7","1") = "6"
    & skf21("2","3","3","1","5","7","1","1") = "6"
    & skf21("2","3","3","1","5","7","2","1") = "6"
    & skf21("2","3","3","1","5","7","3","1") = "6"
    & skf21("2","3","3","1","5","7","4","1") = "6"
    & skf21("2","3","3","1","5","7","5","1") = "6"
    & skf21("2","3","3","1","5","7","6","1") = "6"
    & skf21("2","3","3","1","5","7","7","1") = "6"
    & skf21("2","3","3","1","6","1","1","1") = "5"
    & skf21("2","3","3","1","6","1","2","1") = "5"
    & skf21("2","3","3","1","6","1","3","1") = "5"
    & skf21("2","3","3","1","6","1","4","1") = "5"
    & skf21("2","3","3","1","6","1","5","1") = "5"
    & skf21("2","3","3","1","6","1","6","1") = "5"
    & skf21("2","3","3","1","6","1","7","1") = "6"
    & skf21("2","3","3","1","6","2","1","1") = "5"
    & skf21("2","3","3","1","6","2","2","1") = "5"
    & skf21("2","3","3","1","6","2","3","1") = "5"
    & skf21("2","3","3","1","6","2","4","1") = "5"
    & skf21("2","3","3","1","6","2","5","1") = "5"
    & skf21("2","3","3","1","6","2","6","1") = "5"
    & skf21("2","3","3","1","6","2","7","1") = "6"
    & skf21("2","3","3","1","6","3","1","1") = "5"
    & skf21("2","3","3","1","6","3","2","1") = "5"
    & skf21("2","3","3","1","6","3","3","1") = "5"
    & skf21("2","3","3","1","6","3","4","1") = "5"
    & skf21("2","3","3","1","6","3","5","1") = "5"
    & skf21("2","3","3","1","6","3","6","1") = "5"
    & skf21("2","3","3","1","6","3","7","1") = "6"
    & skf21("2","3","3","1","6","4","1","1") = "5"
    & skf21("2","3","3","1","6","4","2","1") = "5"
    & skf21("2","3","3","1","6","4","3","1") = "5"
    & skf21("2","3","3","1","6","4","4","1") = "5"
    & skf21("2","3","3","1","6","4","5","1") = "5"
    & skf21("2","3","3","1","6","4","6","1") = "5"
    & skf21("2","3","3","1","6","4","7","1") = "6"
    & skf21("2","3","3","1","6","5","1","1") = "5"
    & skf21("2","3","3","1","6","5","2","1") = "5"
    & skf21("2","3","3","1","6","5","3","1") = "5"
    & skf21("2","3","3","1","6","5","4","1") = "5"
    & skf21("2","3","3","1","6","5","5","1") = "5"
    & skf21("2","3","3","1","6","5","6","1") = "5"
    & skf21("2","3","3","1","6","5","7","1") = "6"
    & skf21("2","3","3","1","6","6","1","1") = "5"
    & skf21("2","3","3","1","6","6","2","1") = "5"
    & skf21("2","3","3","1","6","6","3","1") = "5"
    & skf21("2","3","3","1","6","6","4","1") = "5"
    & skf21("2","3","3","1","6","6","5","1") = "5"
    & skf21("2","3","3","1","6","6","6","1") = "5"
    & skf21("2","3","3","1","6","6","7","1") = "6"
    & skf21("2","3","3","1","6","7","1","1") = "6"
    & skf21("2","3","3","1","6","7","2","1") = "6"
    & skf21("2","3","3","1","6","7","3","1") = "6"
    & skf21("2","3","3","1","6","7","4","1") = "6"
    & skf21("2","3","3","1","6","7","5","1") = "6"
    & skf21("2","3","3","1","6","7","6","1") = "6"
    & skf21("2","3","3","1","6","7","7","1") = "6"
    & skf21("2","3","3","1","7","1","1","1") = "6"
    & skf21("2","3","3","1","7","1","2","1") = "6"
    & skf21("2","3","3","1","7","1","3","1") = "6"
    & skf21("2","3","3","1","7","1","4","1") = "6"
    & skf21("2","3","3","1","7","1","5","1") = "6"
    & skf21("2","3","3","1","7","1","6","1") = "6"
    & skf21("2","3","3","1","7","1","7","1") = "6"
    & skf21("2","3","3","1","7","2","1","1") = "6"
    & skf21("2","3","3","1","7","2","2","1") = "6"
    & skf21("2","3","3","1","7","2","3","1") = "6"
    & skf21("2","3","3","1","7","2","4","1") = "6"
    & skf21("2","3","3","1","7","2","5","1") = "6"
    & skf21("2","3","3","1","7","2","6","1") = "6"
    & skf21("2","3","3","1","7","2","7","1") = "6"
    & skf21("2","3","3","1","7","3","1","1") = "6"
    & skf21("2","3","3","1","7","3","2","1") = "6"
    & skf21("2","3","3","1","7","3","3","1") = "6"
    & skf21("2","3","3","1","7","3","4","1") = "6"
    & skf21("2","3","3","1","7","3","5","1") = "6"
    & skf21("2","3","3","1","7","3","6","1") = "6"
    & skf21("2","3","3","1","7","3","7","1") = "6"
    & skf21("2","3","3","1","7","4","1","1") = "6"
    & skf21("2","3","3","1","7","4","2","1") = "6"
    & skf21("2","3","3","1","7","4","3","1") = "6"
    & skf21("2","3","3","1","7","4","4","1") = "6"
    & skf21("2","3","3","1","7","4","5","1") = "6"
    & skf21("2","3","3","1","7","4","6","1") = "6"
    & skf21("2","3","3","1","7","4","7","1") = "6"
    & skf21("2","3","3","1","7","5","1","1") = "6"
    & skf21("2","3","3","1","7","5","2","1") = "6"
    & skf21("2","3","3","1","7","5","3","1") = "6"
    & skf21("2","3","3","1","7","5","4","1") = "6"
    & skf21("2","3","3","1","7","5","5","1") = "6"
    & skf21("2","3","3","1","7","5","6","1") = "6"
    & skf21("2","3","3","1","7","5","7","1") = "6"
    & skf21("2","3","3","1","7","6","1","1") = "6"
    & skf21("2","3","3","1","7","6","2","1") = "6"
    & skf21("2","3","3","1","7","6","3","1") = "6"
    & skf21("2","3","3","1","7","6","4","1") = "6"
    & skf21("2","3","3","1","7","6","5","1") = "6"
    & skf21("2","3","3","1","7","6","6","1") = "6"
    & skf21("2","3","3","1","7","6","7","1") = "6"
    & skf21("2","3","3","1","7","7","1","1") = "6"
    & skf21("2","3","3","1","7","7","2","1") = "6"
    & skf21("2","3","3","1","7","7","3","1") = "6"
    & skf21("2","3","3","1","7","7","4","1") = "6"
    & skf21("2","3","3","1","7","7","5","1") = "6"
    & skf21("2","3","3","1","7","7","6","1") = "6"
    & skf21("2","3","3","1","7","7","7","1") = "6"
    & skf21("2","3","3","2","1","1","1","1") = "2"
    & skf21("2","3","3","2","1","1","2","1") = "2"
    & skf21("2","3","3","2","1","1","3","1") = "2"
    & skf21("2","3","3","2","1","1","4","1") = "3"
    & skf21("2","3","3","2","1","1","5","1") = "4"
    & skf21("2","3","3","2","1","1","6","1") = "5"
    & skf21("2","3","3","2","1","1","7","1") = "6"
    & skf21("2","3","3","2","1","2","1","1") = "2"
    & skf21("2","3","3","2","1","2","2","1") = "2"
    & skf21("2","3","3","2","1","2","3","1") = "2"
    & skf21("2","3","3","2","1","2","4","1") = "3"
    & skf21("2","3","3","2","1","2","5","1") = "4"
    & skf21("2","3","3","2","1","2","6","1") = "5"
    & skf21("2","3","3","2","1","2","7","1") = "6"
    & skf21("2","3","3","2","1","3","1","1") = "2"
    & skf21("2","3","3","2","1","3","2","1") = "2"
    & skf21("2","3","3","2","1","3","3","1") = "2"
    & skf21("2","3","3","2","1","3","4","1") = "3"
    & skf21("2","3","3","2","1","3","5","1") = "4"
    & skf21("2","3","3","2","1","3","6","1") = "5"
    & skf21("2","3","3","2","1","3","7","1") = "6"
    & skf21("2","3","3","2","1","4","1","1") = "3"
    & skf21("2","3","3","2","1","4","2","1") = "3"
    & skf21("2","3","3","2","1","4","3","1") = "3"
    & skf21("2","3","3","2","1","4","4","1") = "3"
    & skf21("2","3","3","2","1","4","5","1") = "4"
    & skf21("2","3","3","2","1","4","6","1") = "5"
    & skf21("2","3","3","2","1","4","7","1") = "6"
    & skf21("2","3","3","2","1","5","1","1") = "4"
    & skf21("2","3","3","2","1","5","2","1") = "4"
    & skf21("2","3","3","2","1","5","3","1") = "4"
    & skf21("2","3","3","2","1","5","4","1") = "4"
    & skf21("2","3","3","2","1","5","5","1") = "4"
    & skf21("2","3","3","2","1","5","6","1") = "5"
    & skf21("2","3","3","2","1","5","7","1") = "6"
    & skf21("2","3","3","2","1","6","1","1") = "5"
    & skf21("2","3","3","2","1","6","2","1") = "5"
    & skf21("2","3","3","2","1","6","3","1") = "5"
    & skf21("2","3","3","2","1","6","4","1") = "5"
    & skf21("2","3","3","2","1","6","5","1") = "5"
    & skf21("2","3","3","2","1","6","6","1") = "5"
    & skf21("2","3","3","2","1","6","7","1") = "6"
    & skf21("2","3","3","2","1","7","1","1") = "6"
    & skf21("2","3","3","2","1","7","2","1") = "6"
    & skf21("2","3","3","2","1","7","3","1") = "6"
    & skf21("2","3","3","2","1","7","4","1") = "6"
    & skf21("2","3","3","2","1","7","5","1") = "6"
    & skf21("2","3","3","2","1","7","6","1") = "6"
    & skf21("2","3","3","2","1","7","7","1") = "6"
    & skf21("2","3","3","2","2","1","1","1") = "2"
    & skf21("2","3","3","2","2","1","2","1") = "2"
    & skf21("2","3","3","2","2","1","3","1") = "2"
    & skf21("2","3","3","2","2","1","4","1") = "3"
    & skf21("2","3","3","2","2","1","5","1") = "4"
    & skf21("2","3","3","2","2","1","6","1") = "5"
    & skf21("2","3","3","2","2","1","7","1") = "6"
    & skf21("2","3","3","2","2","2","1","1") = "2"
    & skf21("2","3","3","2","2","2","2","1") = "2"
    & skf21("2","3","3","2","2","2","3","1") = "2"
    & skf21("2","3","3","2","2","2","4","1") = "3"
    & skf21("2","3","3","2","2","2","5","1") = "4"
    & skf21("2","3","3","2","2","2","6","1") = "5"
    & skf21("2","3","3","2","2","2","7","1") = "6"
    & skf21("2","3","3","2","2","3","1","1") = "2"
    & skf21("2","3","3","2","2","3","2","1") = "2"
    & skf21("2","3","3","2","2","3","3","1") = "2"
    & skf21("2","3","3","2","2","3","4","1") = "3"
    & skf21("2","3","3","2","2","3","5","1") = "4"
    & skf21("2","3","3","2","2","3","6","1") = "5"
    & skf21("2","3","3","2","2","3","7","1") = "6"
    & skf21("2","3","3","2","2","4","1","1") = "3"
    & skf21("2","3","3","2","2","4","2","1") = "3"
    & skf21("2","3","3","2","2","4","3","1") = "3"
    & skf21("2","3","3","2","2","4","4","1") = "3"
    & skf21("2","3","3","2","2","4","5","1") = "4"
    & skf21("2","3","3","2","2","4","6","1") = "5"
    & skf21("2","3","3","2","2","4","7","1") = "6"
    & skf21("2","3","3","2","2","5","1","1") = "4"
    & skf21("2","3","3","2","2","5","2","1") = "4"
    & skf21("2","3","3","2","2","5","3","1") = "4"
    & skf21("2","3","3","2","2","5","4","1") = "4"
    & skf21("2","3","3","2","2","5","5","1") = "4"
    & skf21("2","3","3","2","2","5","6","1") = "5"
    & skf21("2","3","3","2","2","5","7","1") = "6"
    & skf21("2","3","3","2","2","6","1","1") = "5"
    & skf21("2","3","3","2","2","6","2","1") = "5"
    & skf21("2","3","3","2","2","6","3","1") = "5"
    & skf21("2","3","3","2","2","6","4","1") = "5"
    & skf21("2","3","3","2","2","6","5","1") = "5"
    & skf21("2","3","3","2","2","6","6","1") = "5"
    & skf21("2","3","3","2","2","6","7","1") = "6"
    & skf21("2","3","3","2","2","7","1","1") = "6"
    & skf21("2","3","3","2","2","7","2","1") = "6"
    & skf21("2","3","3","2","2","7","3","1") = "6"
    & skf21("2","3","3","2","2","7","4","1") = "6"
    & skf21("2","3","3","2","2","7","5","1") = "6"
    & skf21("2","3","3","2","2","7","6","1") = "6"
    & skf21("2","3","3","2","2","7","7","1") = "6"
    & skf21("2","3","3","2","3","1","1","1") = "2"
    & skf21("2","3","3","2","3","1","2","1") = "2"
    & skf21("2","3","3","2","3","1","3","1") = "2"
    & skf21("2","3","3","2","3","1","4","1") = "3"
    & skf21("2","3","3","2","3","1","5","1") = "4"
    & skf21("2","3","3","2","3","1","6","1") = "5"
    & skf21("2","3","3","2","3","1","7","1") = "6"
    & skf21("2","3","3","2","3","2","1","1") = "2"
    & skf21("2","3","3","2","3","2","2","1") = "2"
    & skf21("2","3","3","2","3","2","3","1") = "2"
    & skf21("2","3","3","2","3","2","4","1") = "3"
    & skf21("2","3","3","2","3","2","5","1") = "4"
    & skf21("2","3","3","2","3","2","6","1") = "5"
    & skf21("2","3","3","2","3","2","7","1") = "6"
    & skf21("2","3","3","2","3","3","1","1") = "2"
    & skf21("2","3","3","2","3","3","2","1") = "2"
    & skf21("2","3","3","2","3","3","3","1") = "2"
    & skf21("2","3","3","2","3","3","4","1") = "3"
    & skf21("2","3","3","2","3","3","5","1") = "4"
    & skf21("2","3","3","2","3","3","6","1") = "5"
    & skf21("2","3","3","2","3","3","7","1") = "6"
    & skf21("2","3","3","2","3","4","1","1") = "3"
    & skf21("2","3","3","2","3","4","2","1") = "3"
    & skf21("2","3","3","2","3","4","3","1") = "3"
    & skf21("2","3","3","2","3","4","4","1") = "3"
    & skf21("2","3","3","2","3","4","5","1") = "4"
    & skf21("2","3","3","2","3","4","6","1") = "5"
    & skf21("2","3","3","2","3","4","7","1") = "6"
    & skf21("2","3","3","2","3","5","1","1") = "4"
    & skf21("2","3","3","2","3","5","2","1") = "4"
    & skf21("2","3","3","2","3","5","3","1") = "4"
    & skf21("2","3","3","2","3","5","4","1") = "4"
    & skf21("2","3","3","2","3","5","5","1") = "4"
    & skf21("2","3","3","2","3","5","6","1") = "5"
    & skf21("2","3","3","2","3","5","7","1") = "6"
    & skf21("2","3","3","2","3","6","1","1") = "5"
    & skf21("2","3","3","2","3","6","2","1") = "5"
    & skf21("2","3","3","2","3","6","3","1") = "5"
    & skf21("2","3","3","2","3","6","4","1") = "5"
    & skf21("2","3","3","2","3","6","5","1") = "5"
    & skf21("2","3","3","2","3","6","6","1") = "5"
    & skf21("2","3","3","2","3","6","7","1") = "6"
    & skf21("2","3","3","2","3","7","1","1") = "6"
    & skf21("2","3","3","2","3","7","2","1") = "6"
    & skf21("2","3","3","2","3","7","3","1") = "6"
    & skf21("2","3","3","2","3","7","4","1") = "6"
    & skf21("2","3","3","2","3","7","5","1") = "6"
    & skf21("2","3","3","2","3","7","6","1") = "6"
    & skf21("2","3","3","2","3","7","7","1") = "6"
    & skf21("2","3","3","2","4","1","1","1") = "3"
    & skf21("2","3","3","2","4","1","2","1") = "3"
    & skf21("2","3","3","2","4","1","3","1") = "3"
    & skf21("2","3","3","2","4","1","4","1") = "3"
    & skf21("2","3","3","2","4","1","5","1") = "4"
    & skf21("2","3","3","2","4","1","6","1") = "5"
    & skf21("2","3","3","2","4","1","7","1") = "6"
    & skf21("2","3","3","2","4","2","1","1") = "3"
    & skf21("2","3","3","2","4","2","2","1") = "3"
    & skf21("2","3","3","2","4","2","3","1") = "3"
    & skf21("2","3","3","2","4","2","4","1") = "3"
    & skf21("2","3","3","2","4","2","5","1") = "4"
    & skf21("2","3","3","2","4","2","6","1") = "5"
    & skf21("2","3","3","2","4","2","7","1") = "6"
    & skf21("2","3","3","2","4","3","1","1") = "3"
    & skf21("2","3","3","2","4","3","2","1") = "3"
    & skf21("2","3","3","2","4","3","3","1") = "3"
    & skf21("2","3","3","2","4","3","4","1") = "3"
    & skf21("2","3","3","2","4","3","5","1") = "4"
    & skf21("2","3","3","2","4","3","6","1") = "5"
    & skf21("2","3","3","2","4","3","7","1") = "6"
    & skf21("2","3","3","2","4","4","1","1") = "3"
    & skf21("2","3","3","2","4","4","2","1") = "3"
    & skf21("2","3","3","2","4","4","3","1") = "3"
    & skf21("2","3","3","2","4","4","4","1") = "3"
    & skf21("2","3","3","2","4","4","5","1") = "4"
    & skf21("2","3","3","2","4","4","6","1") = "5"
    & skf21("2","3","3","2","4","4","7","1") = "6"
    & skf21("2","3","3","2","4","5","1","1") = "4"
    & skf21("2","3","3","2","4","5","2","1") = "4"
    & skf21("2","3","3","2","4","5","3","1") = "4"
    & skf21("2","3","3","2","4","5","4","1") = "4"
    & skf21("2","3","3","2","4","5","5","1") = "4"
    & skf21("2","3","3","2","4","5","6","1") = "5"
    & skf21("2","3","3","2","4","5","7","1") = "6"
    & skf21("2","3","3","2","4","6","1","1") = "5"
    & skf21("2","3","3","2","4","6","2","1") = "5"
    & skf21("2","3","3","2","4","6","3","1") = "5"
    & skf21("2","3","3","2","4","6","4","1") = "5"
    & skf21("2","3","3","2","4","6","5","1") = "5"
    & skf21("2","3","3","2","4","6","6","1") = "5"
    & skf21("2","3","3","2","4","6","7","1") = "6"
    & skf21("2","3","3","2","4","7","1","1") = "6"
    & skf21("2","3","3","2","4","7","2","1") = "6"
    & skf21("2","3","3","2","4","7","3","1") = "6"
    & skf21("2","3","3","2","4","7","4","1") = "6"
    & skf21("2","3","3","2","4","7","5","1") = "6"
    & skf21("2","3","3","2","4","7","6","1") = "6"
    & skf21("2","3","3","2","4","7","7","1") = "6"
    & skf21("2","3","3","2","5","1","1","1") = "4"
    & skf21("2","3","3","2","5","1","2","1") = "4"
    & skf21("2","3","3","2","5","1","3","1") = "4"
    & skf21("2","3","3","2","5","1","4","1") = "4"
    & skf21("2","3","3","2","5","1","5","1") = "4"
    & skf21("2","3","3","2","5","1","6","1") = "5"
    & skf21("2","3","3","2","5","1","7","1") = "6"
    & skf21("2","3","3","2","5","2","1","1") = "4"
    & skf21("2","3","3","2","5","2","2","1") = "4"
    & skf21("2","3","3","2","5","2","3","1") = "4"
    & skf21("2","3","3","2","5","2","4","1") = "4"
    & skf21("2","3","3","2","5","2","5","1") = "4"
    & skf21("2","3","3","2","5","2","6","1") = "5"
    & skf21("2","3","3","2","5","2","7","1") = "6"
    & skf21("2","3","3","2","5","3","1","1") = "4"
    & skf21("2","3","3","2","5","3","2","1") = "4"
    & skf21("2","3","3","2","5","3","3","1") = "4"
    & skf21("2","3","3","2","5","3","4","1") = "4"
    & skf21("2","3","3","2","5","3","5","1") = "4"
    & skf21("2","3","3","2","5","3","6","1") = "5"
    & skf21("2","3","3","2","5","3","7","1") = "6"
    & skf21("2","3","3","2","5","4","1","1") = "4"
    & skf21("2","3","3","2","5","4","2","1") = "4"
    & skf21("2","3","3","2","5","4","3","1") = "4"
    & skf21("2","3","3","2","5","4","4","1") = "4"
    & skf21("2","3","3","2","5","4","5","1") = "4"
    & skf21("2","3","3","2","5","4","6","1") = "5"
    & skf21("2","3","3","2","5","4","7","1") = "6"
    & skf21("2","3","3","2","5","5","1","1") = "4"
    & skf21("2","3","3","2","5","5","2","1") = "4"
    & skf21("2","3","3","2","5","5","3","1") = "4"
    & skf21("2","3","3","2","5","5","4","1") = "4"
    & skf21("2","3","3","2","5","5","5","1") = "4"
    & skf21("2","3","3","2","5","5","6","1") = "5"
    & skf21("2","3","3","2","5","5","7","1") = "6"
    & skf21("2","3","3","2","5","6","1","1") = "5"
    & skf21("2","3","3","2","5","6","2","1") = "5"
    & skf21("2","3","3","2","5","6","3","1") = "5"
    & skf21("2","3","3","2","5","6","4","1") = "5"
    & skf21("2","3","3","2","5","6","5","1") = "5"
    & skf21("2","3","3","2","5","6","6","1") = "5"
    & skf21("2","3","3","2","5","6","7","1") = "6"
    & skf21("2","3","3","2","5","7","1","1") = "6"
    & skf21("2","3","3","2","5","7","2","1") = "6"
    & skf21("2","3","3","2","5","7","3","1") = "6"
    & skf21("2","3","3","2","5","7","4","1") = "6"
    & skf21("2","3","3","2","5","7","5","1") = "6"
    & skf21("2","3","3","2","5","7","6","1") = "6"
    & skf21("2","3","3","2","5","7","7","1") = "6"
    & skf21("2","3","3","2","6","1","1","1") = "5"
    & skf21("2","3","3","2","6","1","2","1") = "5"
    & skf21("2","3","3","2","6","1","3","1") = "5"
    & skf21("2","3","3","2","6","1","4","1") = "5"
    & skf21("2","3","3","2","6","1","5","1") = "5"
    & skf21("2","3","3","2","6","1","6","1") = "5"
    & skf21("2","3","3","2","6","1","7","1") = "6"
    & skf21("2","3","3","2","6","2","1","1") = "5"
    & skf21("2","3","3","2","6","2","2","1") = "5"
    & skf21("2","3","3","2","6","2","3","1") = "5"
    & skf21("2","3","3","2","6","2","4","1") = "5"
    & skf21("2","3","3","2","6","2","5","1") = "5"
    & skf21("2","3","3","2","6","2","6","1") = "5"
    & skf21("2","3","3","2","6","2","7","1") = "6"
    & skf21("2","3","3","2","6","3","1","1") = "5"
    & skf21("2","3","3","2","6","3","2","1") = "5"
    & skf21("2","3","3","2","6","3","3","1") = "5"
    & skf21("2","3","3","2","6","3","4","1") = "5"
    & skf21("2","3","3","2","6","3","5","1") = "5"
    & skf21("2","3","3","2","6","3","6","1") = "5"
    & skf21("2","3","3","2","6","3","7","1") = "6"
    & skf21("2","3","3","2","6","4","1","1") = "5"
    & skf21("2","3","3","2","6","4","2","1") = "5"
    & skf21("2","3","3","2","6","4","3","1") = "5"
    & skf21("2","3","3","2","6","4","4","1") = "5"
    & skf21("2","3","3","2","6","4","5","1") = "5"
    & skf21("2","3","3","2","6","4","6","1") = "5"
    & skf21("2","3","3","2","6","4","7","1") = "6"
    & skf21("2","3","3","2","6","5","1","1") = "5"
    & skf21("2","3","3","2","6","5","2","1") = "5"
    & skf21("2","3","3","2","6","5","3","1") = "5"
    & skf21("2","3","3","2","6","5","4","1") = "5"
    & skf21("2","3","3","2","6","5","5","1") = "5"
    & skf21("2","3","3","2","6","5","6","1") = "5"
    & skf21("2","3","3","2","6","5","7","1") = "6"
    & skf21("2","3","3","2","6","6","1","1") = "5"
    & skf21("2","3","3","2","6","6","2","1") = "5"
    & skf21("2","3","3","2","6","6","3","1") = "5"
    & skf21("2","3","3","2","6","6","4","1") = "5"
    & skf21("2","3","3","2","6","6","5","1") = "5"
    & skf21("2","3","3","2","6","6","6","1") = "5"
    & skf21("2","3","3","2","6","6","7","1") = "6"
    & skf21("2","3","3","2","6","7","1","1") = "6"
    & skf21("2","3","3","2","6","7","2","1") = "6"
    & skf21("2","3","3","2","6","7","3","1") = "6"
    & skf21("2","3","3","2","6","7","4","1") = "6"
    & skf21("2","3","3","2","6","7","5","1") = "6"
    & skf21("2","3","3","2","6","7","6","1") = "6"
    & skf21("2","3","3","2","6","7","7","1") = "6"
    & skf21("2","3","3","2","7","1","1","1") = "6"
    & skf21("2","3","3","2","7","1","2","1") = "6"
    & skf21("2","3","3","2","7","1","3","1") = "6"
    & skf21("2","3","3","2","7","1","4","1") = "6"
    & skf21("2","3","3","2","7","1","5","1") = "6"
    & skf21("2","3","3","2","7","1","6","1") = "6"
    & skf21("2","3","3","2","7","1","7","1") = "6"
    & skf21("2","3","3","2","7","2","1","1") = "6"
    & skf21("2","3","3","2","7","2","2","1") = "6"
    & skf21("2","3","3","2","7","2","3","1") = "6"
    & skf21("2","3","3","2","7","2","4","1") = "6"
    & skf21("2","3","3","2","7","2","5","1") = "6"
    & skf21("2","3","3","2","7","2","6","1") = "6"
    & skf21("2","3","3","2","7","2","7","1") = "6"
    & skf21("2","3","3","2","7","3","1","1") = "6"
    & skf21("2","3","3","2","7","3","2","1") = "6"
    & skf21("2","3","3","2","7","3","3","1") = "6"
    & skf21("2","3","3","2","7","3","4","1") = "6"
    & skf21("2","3","3","2","7","3","5","1") = "6"
    & skf21("2","3","3","2","7","3","6","1") = "6"
    & skf21("2","3","3","2","7","3","7","1") = "6"
    & skf21("2","3","3","2","7","4","1","1") = "6"
    & skf21("2","3","3","2","7","4","2","1") = "6"
    & skf21("2","3","3","2","7","4","3","1") = "6"
    & skf21("2","3","3","2","7","4","4","1") = "6"
    & skf21("2","3","3","2","7","4","5","1") = "6"
    & skf21("2","3","3","2","7","4","6","1") = "6"
    & skf21("2","3","3","2","7","4","7","1") = "6"
    & skf21("2","3","3","2","7","5","1","1") = "6"
    & skf21("2","3","3","2","7","5","2","1") = "6"
    & skf21("2","3","3","2","7","5","3","1") = "6"
    & skf21("2","3","3","2","7","5","4","1") = "6"
    & skf21("2","3","3","2","7","5","5","1") = "6"
    & skf21("2","3","3","2","7","5","6","1") = "6"
    & skf21("2","3","3","2","7","5","7","1") = "6"
    & skf21("2","3","3","2","7","6","1","1") = "6"
    & skf21("2","3","3","2","7","6","2","1") = "6"
    & skf21("2","3","3","2","7","6","3","1") = "6"
    & skf21("2","3","3","2","7","6","4","1") = "6"
    & skf21("2","3","3","2","7","6","5","1") = "6"
    & skf21("2","3","3","2","7","6","6","1") = "6"
    & skf21("2","3","3","2","7","6","7","1") = "6"
    & skf21("2","3","3","2","7","7","1","1") = "6"
    & skf21("2","3","3","2","7","7","2","1") = "6"
    & skf21("2","3","3","2","7","7","3","1") = "6"
    & skf21("2","3","3","2","7","7","4","1") = "6"
    & skf21("2","3","3","2","7","7","5","1") = "6"
    & skf21("2","3","3","2","7","7","6","1") = "6"
    & skf21("2","3","3","2","7","7","7","1") = "6"
    & skf21("2","3","3","3","1","1","1","1") = "2"
    & skf21("2","3","3","3","1","1","2","1") = "2"
    & skf21("2","3","3","3","1","1","3","1") = "2"
    & skf21("2","3","3","3","1","1","4","1") = "3"
    & skf21("2","3","3","3","1","1","5","1") = "4"
    & skf21("2","3","3","3","1","1","6","1") = "5"
    & skf21("2","3","3","3","1","1","7","1") = "6"
    & skf21("2","3","3","3","1","2","1","1") = "2"
    & skf21("2","3","3","3","1","2","2","1") = "2"
    & skf21("2","3","3","3","1","2","3","1") = "2"
    & skf21("2","3","3","3","1","2","4","1") = "3"
    & skf21("2","3","3","3","1","2","5","1") = "4"
    & skf21("2","3","3","3","1","2","6","1") = "5"
    & skf21("2","3","3","3","1","2","7","1") = "6"
    & skf21("2","3","3","3","1","3","1","1") = "2"
    & skf21("2","3","3","3","1","3","2","1") = "2"
    & skf21("2","3","3","3","1","3","3","1") = "2"
    & skf21("2","3","3","3","1","3","4","1") = "3"
    & skf21("2","3","3","3","1","3","5","1") = "4"
    & skf21("2","3","3","3","1","3","6","1") = "5"
    & skf21("2","3","3","3","1","3","7","1") = "6"
    & skf21("2","3","3","3","1","4","1","1") = "3"
    & skf21("2","3","3","3","1","4","2","1") = "3"
    & skf21("2","3","3","3","1","4","3","1") = "3"
    & skf21("2","3","3","3","1","4","4","1") = "3"
    & skf21("2","3","3","3","1","4","5","1") = "4"
    & skf21("2","3","3","3","1","4","6","1") = "5"
    & skf21("2","3","3","3","1","4","7","1") = "6"
    & skf21("2","3","3","3","1","5","1","1") = "4"
    & skf21("2","3","3","3","1","5","2","1") = "4"
    & skf21("2","3","3","3","1","5","3","1") = "4"
    & skf21("2","3","3","3","1","5","4","1") = "4"
    & skf21("2","3","3","3","1","5","5","1") = "4"
    & skf21("2","3","3","3","1","5","6","1") = "5"
    & skf21("2","3","3","3","1","5","7","1") = "6"
    & skf21("2","3","3","3","1","6","1","1") = "5"
    & skf21("2","3","3","3","1","6","2","1") = "5"
    & skf21("2","3","3","3","1","6","3","1") = "5"
    & skf21("2","3","3","3","1","6","4","1") = "5"
    & skf21("2","3","3","3","1","6","5","1") = "5"
    & skf21("2","3","3","3","1","6","6","1") = "5"
    & skf21("2","3","3","3","1","6","7","1") = "6"
    & skf21("2","3","3","3","1","7","1","1") = "6"
    & skf21("2","3","3","3","1","7","2","1") = "6"
    & skf21("2","3","3","3","1","7","3","1") = "6"
    & skf21("2","3","3","3","1","7","4","1") = "6"
    & skf21("2","3","3","3","1","7","5","1") = "6"
    & skf21("2","3","3","3","1","7","6","1") = "6"
    & skf21("2","3","3","3","1","7","7","1") = "6"
    & skf21("2","3","3","3","2","1","1","1") = "2"
    & skf21("2","3","3","3","2","1","2","1") = "2"
    & skf21("2","3","3","3","2","1","3","1") = "2"
    & skf21("2","3","3","3","2","1","4","1") = "3"
    & skf21("2","3","3","3","2","1","5","1") = "4"
    & skf21("2","3","3","3","2","1","6","1") = "5"
    & skf21("2","3","3","3","2","1","7","1") = "6"
    & skf21("2","3","3","3","2","2","1","1") = "2"
    & skf21("2","3","3","3","2","2","2","1") = "2"
    & skf21("2","3","3","3","2","2","3","1") = "2"
    & skf21("2","3","3","3","2","2","4","1") = "3"
    & skf21("2","3","3","3","2","2","5","1") = "4"
    & skf21("2","3","3","3","2","2","6","1") = "5"
    & skf21("2","3","3","3","2","2","7","1") = "6"
    & skf21("2","3","3","3","2","3","1","1") = "2"
    & skf21("2","3","3","3","2","3","2","1") = "2"
    & skf21("2","3","3","3","2","3","3","1") = "2"
    & skf21("2","3","3","3","2","3","4","1") = "3"
    & skf21("2","3","3","3","2","3","5","1") = "4"
    & skf21("2","3","3","3","2","3","6","1") = "5"
    & skf21("2","3","3","3","2","3","7","1") = "6"
    & skf21("2","3","3","3","2","4","1","1") = "3"
    & skf21("2","3","3","3","2","4","2","1") = "3"
    & skf21("2","3","3","3","2","4","3","1") = "3"
    & skf21("2","3","3","3","2","4","4","1") = "3"
    & skf21("2","3","3","3","2","4","5","1") = "4"
    & skf21("2","3","3","3","2","4","6","1") = "5"
    & skf21("2","3","3","3","2","4","7","1") = "6"
    & skf21("2","3","3","3","2","5","1","1") = "4"
    & skf21("2","3","3","3","2","5","2","1") = "4"
    & skf21("2","3","3","3","2","5","3","1") = "4"
    & skf21("2","3","3","3","2","5","4","1") = "4"
    & skf21("2","3","3","3","2","5","5","1") = "4"
    & skf21("2","3","3","3","2","5","6","1") = "5"
    & skf21("2","3","3","3","2","5","7","1") = "6"
    & skf21("2","3","3","3","2","6","1","1") = "5"
    & skf21("2","3","3","3","2","6","2","1") = "5"
    & skf21("2","3","3","3","2","6","3","1") = "5"
    & skf21("2","3","3","3","2","6","4","1") = "5"
    & skf21("2","3","3","3","2","6","5","1") = "5"
    & skf21("2","3","3","3","2","6","6","1") = "5"
    & skf21("2","3","3","3","2","6","7","1") = "6"
    & skf21("2","3","3","3","2","7","1","1") = "6"
    & skf21("2","3","3","3","2","7","2","1") = "6"
    & skf21("2","3","3","3","2","7","3","1") = "6"
    & skf21("2","3","3","3","2","7","4","1") = "6"
    & skf21("2","3","3","3","2","7","5","1") = "6"
    & skf21("2","3","3","3","2","7","6","1") = "6"
    & skf21("2","3","3","3","2","7","7","1") = "6"
    & skf21("2","3","3","3","3","1","1","1") = "2"
    & skf21("2","3","3","3","3","1","2","1") = "2"
    & skf21("2","3","3","3","3","1","3","1") = "2"
    & skf21("2","3","3","3","3","1","4","1") = "3"
    & skf21("2","3","3","3","3","1","5","1") = "4"
    & skf21("2","3","3","3","3","1","6","1") = "5"
    & skf21("2","3","3","3","3","1","7","1") = "6"
    & skf21("2","3","3","3","3","2","1","1") = "2"
    & skf21("2","3","3","3","3","2","2","1") = "2"
    & skf21("2","3","3","3","3","2","3","1") = "2"
    & skf21("2","3","3","3","3","2","4","1") = "3"
    & skf21("2","3","3","3","3","2","5","1") = "4"
    & skf21("2","3","3","3","3","2","6","1") = "5"
    & skf21("2","3","3","3","3","2","7","1") = "6"
    & skf21("2","3","3","3","3","3","1","1") = "2"
    & skf21("2","3","3","3","3","3","2","1") = "2"
    & skf21("2","3","3","3","3","3","3","1") = "2"
    & skf21("2","3","3","3","3","3","4","1") = "3"
    & skf21("2","3","3","3","3","3","5","1") = "4"
    & skf21("2","3","3","3","3","3","6","1") = "5"
    & skf21("2","3","3","3","3","3","7","1") = "6"
    & skf21("2","3","3","3","3","4","1","1") = "3"
    & skf21("2","3","3","3","3","4","2","1") = "3"
    & skf21("2","3","3","3","3","4","3","1") = "3"
    & skf21("2","3","3","3","3","4","4","1") = "3"
    & skf21("2","3","3","3","3","4","5","1") = "4"
    & skf21("2","3","3","3","3","4","6","1") = "5"
    & skf21("2","3","3","3","3","4","7","1") = "6"
    & skf21("2","3","3","3","3","5","1","1") = "4"
    & skf21("2","3","3","3","3","5","2","1") = "4"
    & skf21("2","3","3","3","3","5","3","1") = "4"
    & skf21("2","3","3","3","3","5","4","1") = "4"
    & skf21("2","3","3","3","3","5","5","1") = "4"
    & skf21("2","3","3","3","3","5","6","1") = "5"
    & skf21("2","3","3","3","3","5","7","1") = "6"
    & skf21("2","3","3","3","3","6","1","1") = "5"
    & skf21("2","3","3","3","3","6","2","1") = "5"
    & skf21("2","3","3","3","3","6","3","1") = "5"
    & skf21("2","3","3","3","3","6","4","1") = "5"
    & skf21("2","3","3","3","3","6","5","1") = "5"
    & skf21("2","3","3","3","3","6","6","1") = "5"
    & skf21("2","3","3","3","3","6","7","1") = "6"
    & skf21("2","3","3","3","3","7","1","1") = "6"
    & skf21("2","3","3","3","3","7","2","1") = "6"
    & skf21("2","3","3","3","3","7","3","1") = "6"
    & skf21("2","3","3","3","3","7","4","1") = "6"
    & skf21("2","3","3","3","3","7","5","1") = "6"
    & skf21("2","3","3","3","3","7","6","1") = "6"
    & skf21("2","3","3","3","3","7","7","1") = "6"
    & skf21("2","3","3","3","4","1","1","1") = "3"
    & skf21("2","3","3","3","4","1","2","1") = "3"
    & skf21("2","3","3","3","4","1","3","1") = "3"
    & skf21("2","3","3","3","4","1","4","1") = "3"
    & skf21("2","3","3","3","4","1","5","1") = "4"
    & skf21("2","3","3","3","4","1","6","1") = "5"
    & skf21("2","3","3","3","4","1","7","1") = "6"
    & skf21("2","3","3","3","4","2","1","1") = "3"
    & skf21("2","3","3","3","4","2","2","1") = "3"
    & skf21("2","3","3","3","4","2","3","1") = "3"
    & skf21("2","3","3","3","4","2","4","1") = "3"
    & skf21("2","3","3","3","4","2","5","1") = "4"
    & skf21("2","3","3","3","4","2","6","1") = "5"
    & skf21("2","3","3","3","4","2","7","1") = "6"
    & skf21("2","3","3","3","4","3","1","1") = "3"
    & skf21("2","3","3","3","4","3","2","1") = "3"
    & skf21("2","3","3","3","4","3","3","1") = "3"
    & skf21("2","3","3","3","4","3","4","1") = "3"
    & skf21("2","3","3","3","4","3","5","1") = "4"
    & skf21("2","3","3","3","4","3","6","1") = "5"
    & skf21("2","3","3","3","4","3","7","1") = "6"
    & skf21("2","3","3","3","4","4","1","1") = "3"
    & skf21("2","3","3","3","4","4","2","1") = "3"
    & skf21("2","3","3","3","4","4","3","1") = "3"
    & skf21("2","3","3","3","4","4","4","1") = "3"
    & skf21("2","3","3","3","4","4","5","1") = "4"
    & skf21("2","3","3","3","4","4","6","1") = "5"
    & skf21("2","3","3","3","4","4","7","1") = "6"
    & skf21("2","3","3","3","4","5","1","1") = "4"
    & skf21("2","3","3","3","4","5","2","1") = "4"
    & skf21("2","3","3","3","4","5","3","1") = "4"
    & skf21("2","3","3","3","4","5","4","1") = "4"
    & skf21("2","3","3","3","4","5","5","1") = "4"
    & skf21("2","3","3","3","4","5","6","1") = "5"
    & skf21("2","3","3","3","4","5","7","1") = "6"
    & skf21("2","3","3","3","4","6","1","1") = "5"
    & skf21("2","3","3","3","4","6","2","1") = "5"
    & skf21("2","3","3","3","4","6","3","1") = "5"
    & skf21("2","3","3","3","4","6","4","1") = "5"
    & skf21("2","3","3","3","4","6","5","1") = "5"
    & skf21("2","3","3","3","4","6","6","1") = "5"
    & skf21("2","3","3","3","4","6","7","1") = "6"
    & skf21("2","3","3","3","4","7","1","1") = "6"
    & skf21("2","3","3","3","4","7","2","1") = "6"
    & skf21("2","3","3","3","4","7","3","1") = "6"
    & skf21("2","3","3","3","4","7","4","1") = "6"
    & skf21("2","3","3","3","4","7","5","1") = "6"
    & skf21("2","3","3","3","4","7","6","1") = "6"
    & skf21("2","3","3","3","4","7","7","1") = "6"
    & skf21("2","3","3","3","5","1","1","1") = "4"
    & skf21("2","3","3","3","5","1","2","1") = "4"
    & skf21("2","3","3","3","5","1","3","1") = "4"
    & skf21("2","3","3","3","5","1","4","1") = "4"
    & skf21("2","3","3","3","5","1","5","1") = "4"
    & skf21("2","3","3","3","5","1","6","1") = "5"
    & skf21("2","3","3","3","5","1","7","1") = "6"
    & skf21("2","3","3","3","5","2","1","1") = "4"
    & skf21("2","3","3","3","5","2","2","1") = "4"
    & skf21("2","3","3","3","5","2","3","1") = "4"
    & skf21("2","3","3","3","5","2","4","1") = "4"
    & skf21("2","3","3","3","5","2","5","1") = "4"
    & skf21("2","3","3","3","5","2","6","1") = "5"
    & skf21("2","3","3","3","5","2","7","1") = "6"
    & skf21("2","3","3","3","5","3","1","1") = "4"
    & skf21("2","3","3","3","5","3","2","1") = "4"
    & skf21("2","3","3","3","5","3","3","1") = "4"
    & skf21("2","3","3","3","5","3","4","1") = "4"
    & skf21("2","3","3","3","5","3","5","1") = "4"
    & skf21("2","3","3","3","5","3","6","1") = "5"
    & skf21("2","3","3","3","5","3","7","1") = "6"
    & skf21("2","3","3","3","5","4","1","1") = "4"
    & skf21("2","3","3","3","5","4","2","1") = "4"
    & skf21("2","3","3","3","5","4","3","1") = "4"
    & skf21("2","3","3","3","5","4","4","1") = "4"
    & skf21("2","3","3","3","5","4","5","1") = "4"
    & skf21("2","3","3","3","5","4","6","1") = "5"
    & skf21("2","3","3","3","5","4","7","1") = "6"
    & skf21("2","3","3","3","5","5","1","1") = "4"
    & skf21("2","3","3","3","5","5","2","1") = "4"
    & skf21("2","3","3","3","5","5","3","1") = "4"
    & skf21("2","3","3","3","5","5","4","1") = "4"
    & skf21("2","3","3","3","5","5","5","1") = "4"
    & skf21("2","3","3","3","5","5","6","1") = "5"
    & skf21("2","3","3","3","5","5","7","1") = "6"
    & skf21("2","3","3","3","5","6","1","1") = "5"
    & skf21("2","3","3","3","5","6","2","1") = "5"
    & skf21("2","3","3","3","5","6","3","1") = "5"
    & skf21("2","3","3","3","5","6","4","1") = "5"
    & skf21("2","3","3","3","5","6","5","1") = "5"
    & skf21("2","3","3","3","5","6","6","1") = "5"
    & skf21("2","3","3","3","5","6","7","1") = "6"
    & skf21("2","3","3","3","5","7","1","1") = "6"
    & skf21("2","3","3","3","5","7","2","1") = "6"
    & skf21("2","3","3","3","5","7","3","1") = "6"
    & skf21("2","3","3","3","5","7","4","1") = "6"
    & skf21("2","3","3","3","5","7","5","1") = "6"
    & skf21("2","3","3","3","5","7","6","1") = "6"
    & skf21("2","3","3","3","5","7","7","1") = "6"
    & skf21("2","3","3","3","6","1","1","1") = "5"
    & skf21("2","3","3","3","6","1","2","1") = "5"
    & skf21("2","3","3","3","6","1","3","1") = "5"
    & skf21("2","3","3","3","6","1","4","1") = "5"
    & skf21("2","3","3","3","6","1","5","1") = "5"
    & skf21("2","3","3","3","6","1","6","1") = "5"
    & skf21("2","3","3","3","6","1","7","1") = "6"
    & skf21("2","3","3","3","6","2","1","1") = "5"
    & skf21("2","3","3","3","6","2","2","1") = "5"
    & skf21("2","3","3","3","6","2","3","1") = "5"
    & skf21("2","3","3","3","6","2","4","1") = "5"
    & skf21("2","3","3","3","6","2","5","1") = "5"
    & skf21("2","3","3","3","6","2","6","1") = "5"
    & skf21("2","3","3","3","6","2","7","1") = "6"
    & skf21("2","3","3","3","6","3","1","1") = "5"
    & skf21("2","3","3","3","6","3","2","1") = "5"
    & skf21("2","3","3","3","6","3","3","1") = "5"
    & skf21("2","3","3","3","6","3","4","1") = "5"
    & skf21("2","3","3","3","6","3","5","1") = "5"
    & skf21("2","3","3","3","6","3","6","1") = "5"
    & skf21("2","3","3","3","6","3","7","1") = "6"
    & skf21("2","3","3","3","6","4","1","1") = "5"
    & skf21("2","3","3","3","6","4","2","1") = "5"
    & skf21("2","3","3","3","6","4","3","1") = "5"
    & skf21("2","3","3","3","6","4","4","1") = "5"
    & skf21("2","3","3","3","6","4","5","1") = "5"
    & skf21("2","3","3","3","6","4","6","1") = "5"
    & skf21("2","3","3","3","6","4","7","1") = "6"
    & skf21("2","3","3","3","6","5","1","1") = "5"
    & skf21("2","3","3","3","6","5","2","1") = "5"
    & skf21("2","3","3","3","6","5","3","1") = "5"
    & skf21("2","3","3","3","6","5","4","1") = "5"
    & skf21("2","3","3","3","6","5","5","1") = "5"
    & skf21("2","3","3","3","6","5","6","1") = "5"
    & skf21("2","3","3","3","6","5","7","1") = "6"
    & skf21("2","3","3","3","6","6","1","1") = "5"
    & skf21("2","3","3","3","6","6","2","1") = "5"
    & skf21("2","3","3","3","6","6","3","1") = "5"
    & skf21("2","3","3","3","6","6","4","1") = "5"
    & skf21("2","3","3","3","6","6","5","1") = "5"
    & skf21("2","3","3","3","6","6","6","1") = "5"
    & skf21("2","3","3","3","6","6","7","1") = "6"
    & skf21("2","3","3","3","6","7","1","1") = "6"
    & skf21("2","3","3","3","6","7","2","1") = "6"
    & skf21("2","3","3","3","6","7","3","1") = "6"
    & skf21("2","3","3","3","6","7","4","1") = "6"
    & skf21("2","3","3","3","6","7","5","1") = "6"
    & skf21("2","3","3","3","6","7","6","1") = "6"
    & skf21("2","3","3","3","6","7","7","1") = "6"
    & skf21("2","3","3","3","7","1","1","1") = "6"
    & skf21("2","3","3","3","7","1","2","1") = "6"
    & skf21("2","3","3","3","7","1","3","1") = "6"
    & skf21("2","3","3","3","7","1","4","1") = "6"
    & skf21("2","3","3","3","7","1","5","1") = "6"
    & skf21("2","3","3","3","7","1","6","1") = "6"
    & skf21("2","3","3","3","7","1","7","1") = "6"
    & skf21("2","3","3","3","7","2","1","1") = "6"
    & skf21("2","3","3","3","7","2","2","1") = "6"
    & skf21("2","3","3","3","7","2","3","1") = "6"
    & skf21("2","3","3","3","7","2","4","1") = "6"
    & skf21("2","3","3","3","7","2","5","1") = "6"
    & skf21("2","3","3","3","7","2","6","1") = "6"
    & skf21("2","3","3","3","7","2","7","1") = "6"
    & skf21("2","3","3","3","7","3","1","1") = "6"
    & skf21("2","3","3","3","7","3","2","1") = "6"
    & skf21("2","3","3","3","7","3","3","1") = "6"
    & skf21("2","3","3","3","7","3","4","1") = "6"
    & skf21("2","3","3","3","7","3","5","1") = "6"
    & skf21("2","3","3","3","7","3","6","1") = "6"
    & skf21("2","3","3","3","7","3","7","1") = "6"
    & skf21("2","3","3","3","7","4","1","1") = "6"
    & skf21("2","3","3","3","7","4","2","1") = "6"
    & skf21("2","3","3","3","7","4","3","1") = "6"
    & skf21("2","3","3","3","7","4","4","1") = "6"
    & skf21("2","3","3","3","7","4","5","1") = "6"
    & skf21("2","3","3","3","7","4","6","1") = "6"
    & skf21("2","3","3","3","7","4","7","1") = "6"
    & skf21("2","3","3","3","7","5","1","1") = "6"
    & skf21("2","3","3","3","7","5","2","1") = "6"
    & skf21("2","3","3","3","7","5","3","1") = "6"
    & skf21("2","3","3","3","7","5","4","1") = "6"
    & skf21("2","3","3","3","7","5","5","1") = "6"
    & skf21("2","3","3","3","7","5","6","1") = "6"
    & skf21("2","3","3","3","7","5","7","1") = "6"
    & skf21("2","3","3","3","7","6","1","1") = "6"
    & skf21("2","3","3","3","7","6","2","1") = "6"
    & skf21("2","3","3","3","7","6","3","1") = "6"
    & skf21("2","3","3","3","7","6","4","1") = "6"
    & skf21("2","3","3","3","7","6","5","1") = "6"
    & skf21("2","3","3","3","7","6","6","1") = "6"
    & skf21("2","3","3","3","7","6","7","1") = "6"
    & skf21("2","3","3","3","7","7","1","1") = "6"
    & skf21("2","3","3","3","7","7","2","1") = "6"
    & skf21("2","3","3","3","7","7","3","1") = "6"
    & skf21("2","3","3","3","7","7","4","1") = "6"
    & skf21("2","3","3","3","7","7","5","1") = "6"
    & skf21("2","3","3","3","7","7","6","1") = "6"
    & skf21("2","3","3","3","7","7","7","1") = "6"
    & skf21("2","3","3","4","1","1","1","1") = "3"
    & skf21("2","3","3","4","1","1","2","1") = "3"
    & skf21("2","3","3","4","1","1","3","1") = "3"
    & skf21("2","3","3","4","1","1","4","1") = "3"
    & skf21("2","3","3","4","1","1","5","1") = "4"
    & skf21("2","3","3","4","1","1","6","1") = "5"
    & skf21("2","3","3","4","1","1","7","1") = "6"
    & skf21("2","3","3","4","1","2","1","1") = "3"
    & skf21("2","3","3","4","1","2","2","1") = "3"
    & skf21("2","3","3","4","1","2","3","1") = "3"
    & skf21("2","3","3","4","1","2","4","1") = "3"
    & skf21("2","3","3","4","1","2","5","1") = "4"
    & skf21("2","3","3","4","1","2","6","1") = "5"
    & skf21("2","3","3","4","1","2","7","1") = "6"
    & skf21("2","3","3","4","1","3","1","1") = "3"
    & skf21("2","3","3","4","1","3","2","1") = "3"
    & skf21("2","3","3","4","1","3","3","1") = "3"
    & skf21("2","3","3","4","1","3","4","1") = "3"
    & skf21("2","3","3","4","1","3","5","1") = "4"
    & skf21("2","3","3","4","1","3","6","1") = "5"
    & skf21("2","3","3","4","1","3","7","1") = "6"
    & skf21("2","3","3","4","1","4","1","1") = "3"
    & skf21("2","3","3","4","1","4","2","1") = "3"
    & skf21("2","3","3","4","1","4","3","1") = "3"
    & skf21("2","3","3","4","1","4","4","1") = "3"
    & skf21("2","3","3","4","1","4","5","1") = "4"
    & skf21("2","3","3","4","1","4","6","1") = "5"
    & skf21("2","3","3","4","1","4","7","1") = "6"
    & skf21("2","3","3","4","1","5","1","1") = "4"
    & skf21("2","3","3","4","1","5","2","1") = "4"
    & skf21("2","3","3","4","1","5","3","1") = "4"
    & skf21("2","3","3","4","1","5","4","1") = "4"
    & skf21("2","3","3","4","1","5","5","1") = "4"
    & skf21("2","3","3","4","1","5","6","1") = "5"
    & skf21("2","3","3","4","1","5","7","1") = "6"
    & skf21("2","3","3","4","1","6","1","1") = "5"
    & skf21("2","3","3","4","1","6","2","1") = "5"
    & skf21("2","3","3","4","1","6","3","1") = "5"
    & skf21("2","3","3","4","1","6","4","1") = "5"
    & skf21("2","3","3","4","1","6","5","1") = "5"
    & skf21("2","3","3","4","1","6","6","1") = "5"
    & skf21("2","3","3","4","1","6","7","1") = "6"
    & skf21("2","3","3","4","1","7","1","1") = "6"
    & skf21("2","3","3","4","1","7","2","1") = "6"
    & skf21("2","3","3","4","1","7","3","1") = "6"
    & skf21("2","3","3","4","1","7","4","1") = "6"
    & skf21("2","3","3","4","1","7","5","1") = "6"
    & skf21("2","3","3","4","1","7","6","1") = "6"
    & skf21("2","3","3","4","1","7","7","1") = "6"
    & skf21("2","3","3","4","2","1","1","1") = "3"
    & skf21("2","3","3","4","2","1","2","1") = "3"
    & skf21("2","3","3","4","2","1","3","1") = "3"
    & skf21("2","3","3","4","2","1","4","1") = "3"
    & skf21("2","3","3","4","2","1","5","1") = "4"
    & skf21("2","3","3","4","2","1","6","1") = "5"
    & skf21("2","3","3","4","2","1","7","1") = "6"
    & skf21("2","3","3","4","2","2","1","1") = "3"
    & skf21("2","3","3","4","2","2","2","1") = "3"
    & skf21("2","3","3","4","2","2","3","1") = "3"
    & skf21("2","3","3","4","2","2","4","1") = "3"
    & skf21("2","3","3","4","2","2","5","1") = "4"
    & skf21("2","3","3","4","2","2","6","1") = "5"
    & skf21("2","3","3","4","2","2","7","1") = "6"
    & skf21("2","3","3","4","2","3","1","1") = "3"
    & skf21("2","3","3","4","2","3","2","1") = "3"
    & skf21("2","3","3","4","2","3","3","1") = "3"
    & skf21("2","3","3","4","2","3","4","1") = "3"
    & skf21("2","3","3","4","2","3","5","1") = "4"
    & skf21("2","3","3","4","2","3","6","1") = "5"
    & skf21("2","3","3","4","2","3","7","1") = "6"
    & skf21("2","3","3","4","2","4","1","1") = "3"
    & skf21("2","3","3","4","2","4","2","1") = "3"
    & skf21("2","3","3","4","2","4","3","1") = "3"
    & skf21("2","3","3","4","2","4","4","1") = "3"
    & skf21("2","3","3","4","2","4","5","1") = "4"
    & skf21("2","3","3","4","2","4","6","1") = "5"
    & skf21("2","3","3","4","2","4","7","1") = "6"
    & skf21("2","3","3","4","2","5","1","1") = "4"
    & skf21("2","3","3","4","2","5","2","1") = "4"
    & skf21("2","3","3","4","2","5","3","1") = "4"
    & skf21("2","3","3","4","2","5","4","1") = "4"
    & skf21("2","3","3","4","2","5","5","1") = "4"
    & skf21("2","3","3","4","2","5","6","1") = "5"
    & skf21("2","3","3","4","2","5","7","1") = "6"
    & skf21("2","3","3","4","2","6","1","1") = "5"
    & skf21("2","3","3","4","2","6","2","1") = "5"
    & skf21("2","3","3","4","2","6","3","1") = "5"
    & skf21("2","3","3","4","2","6","4","1") = "5"
    & skf21("2","3","3","4","2","6","5","1") = "5"
    & skf21("2","3","3","4","2","6","6","1") = "5"
    & skf21("2","3","3","4","2","6","7","1") = "6"
    & skf21("2","3","3","4","2","7","1","1") = "6"
    & skf21("2","3","3","4","2","7","2","1") = "6"
    & skf21("2","3","3","4","2","7","3","1") = "6"
    & skf21("2","3","3","4","2","7","4","1") = "6"
    & skf21("2","3","3","4","2","7","5","1") = "6"
    & skf21("2","3","3","4","2","7","6","1") = "6"
    & skf21("2","3","3","4","2","7","7","1") = "6"
    & skf21("2","3","3","4","3","1","1","1") = "3"
    & skf21("2","3","3","4","3","1","2","1") = "3"
    & skf21("2","3","3","4","3","1","3","1") = "3"
    & skf21("2","3","3","4","3","1","4","1") = "3"
    & skf21("2","3","3","4","3","1","5","1") = "4"
    & skf21("2","3","3","4","3","1","6","1") = "5"
    & skf21("2","3","3","4","3","1","7","1") = "6"
    & skf21("2","3","3","4","3","2","1","1") = "3"
    & skf21("2","3","3","4","3","2","2","1") = "3"
    & skf21("2","3","3","4","3","2","3","1") = "3"
    & skf21("2","3","3","4","3","2","4","1") = "3"
    & skf21("2","3","3","4","3","2","5","1") = "4"
    & skf21("2","3","3","4","3","2","6","1") = "5"
    & skf21("2","3","3","4","3","2","7","1") = "6"
    & skf21("2","3","3","4","3","3","1","1") = "3"
    & skf21("2","3","3","4","3","3","2","1") = "3"
    & skf21("2","3","3","4","3","3","3","1") = "3"
    & skf21("2","3","3","4","3","3","4","1") = "3"
    & skf21("2","3","3","4","3","3","5","1") = "4"
    & skf21("2","3","3","4","3","3","6","1") = "5"
    & skf21("2","3","3","4","3","3","7","1") = "6"
    & skf21("2","3","3","4","3","4","1","1") = "3"
    & skf21("2","3","3","4","3","4","2","1") = "3"
    & skf21("2","3","3","4","3","4","3","1") = "3"
    & skf21("2","3","3","4","3","4","4","1") = "3"
    & skf21("2","3","3","4","3","4","5","1") = "4"
    & skf21("2","3","3","4","3","4","6","1") = "5"
    & skf21("2","3","3","4","3","4","7","1") = "6"
    & skf21("2","3","3","4","3","5","1","1") = "4"
    & skf21("2","3","3","4","3","5","2","1") = "4"
    & skf21("2","3","3","4","3","5","3","1") = "4"
    & skf21("2","3","3","4","3","5","4","1") = "4"
    & skf21("2","3","3","4","3","5","5","1") = "4"
    & skf21("2","3","3","4","3","5","6","1") = "5"
    & skf21("2","3","3","4","3","5","7","1") = "6"
    & skf21("2","3","3","4","3","6","1","1") = "5"
    & skf21("2","3","3","4","3","6","2","1") = "5"
    & skf21("2","3","3","4","3","6","3","1") = "5"
    & skf21("2","3","3","4","3","6","4","1") = "5"
    & skf21("2","3","3","4","3","6","5","1") = "5"
    & skf21("2","3","3","4","3","6","6","1") = "5"
    & skf21("2","3","3","4","3","6","7","1") = "6"
    & skf21("2","3","3","4","3","7","1","1") = "6"
    & skf21("2","3","3","4","3","7","2","1") = "6"
    & skf21("2","3","3","4","3","7","3","1") = "6"
    & skf21("2","3","3","4","3","7","4","1") = "6"
    & skf21("2","3","3","4","3","7","5","1") = "6"
    & skf21("2","3","3","4","3","7","6","1") = "6"
    & skf21("2","3","3","4","3","7","7","1") = "6"
    & skf21("2","3","3","4","4","1","1","1") = "3"
    & skf21("2","3","3","4","4","1","2","1") = "3"
    & skf21("2","3","3","4","4","1","3","1") = "3"
    & skf21("2","3","3","4","4","1","4","1") = "3"
    & skf21("2","3","3","4","4","1","5","1") = "4"
    & skf21("2","3","3","4","4","1","6","1") = "5"
    & skf21("2","3","3","4","4","1","7","1") = "6"
    & skf21("2","3","3","4","4","2","1","1") = "3"
    & skf21("2","3","3","4","4","2","2","1") = "3"
    & skf21("2","3","3","4","4","2","3","1") = "3"
    & skf21("2","3","3","4","4","2","4","1") = "3"
    & skf21("2","3","3","4","4","2","5","1") = "4"
    & skf21("2","3","3","4","4","2","6","1") = "5"
    & skf21("2","3","3","4","4","2","7","1") = "6"
    & skf21("2","3","3","4","4","3","1","1") = "3"
    & skf21("2","3","3","4","4","3","2","1") = "3"
    & skf21("2","3","3","4","4","3","3","1") = "3"
    & skf21("2","3","3","4","4","3","4","1") = "3"
    & skf21("2","3","3","4","4","3","5","1") = "4"
    & skf21("2","3","3","4","4","3","6","1") = "5"
    & skf21("2","3","3","4","4","3","7","1") = "6"
    & skf21("2","3","3","4","4","4","1","1") = "3"
    & skf21("2","3","3","4","4","4","2","1") = "3"
    & skf21("2","3","3","4","4","4","3","1") = "3"
    & skf21("2","3","3","4","4","4","4","1") = "3"
    & skf21("2","3","3","4","4","4","5","1") = "4"
    & skf21("2","3","3","4","4","4","6","1") = "5"
    & skf21("2","3","3","4","4","4","7","1") = "6"
    & skf21("2","3","3","4","4","5","1","1") = "4"
    & skf21("2","3","3","4","4","5","2","1") = "4"
    & skf21("2","3","3","4","4","5","3","1") = "4"
    & skf21("2","3","3","4","4","5","4","1") = "4"
    & skf21("2","3","3","4","4","5","5","1") = "4"
    & skf21("2","3","3","4","4","5","6","1") = "5"
    & skf21("2","3","3","4","4","5","7","1") = "6"
    & skf21("2","3","3","4","4","6","1","1") = "5"
    & skf21("2","3","3","4","4","6","2","1") = "5"
    & skf21("2","3","3","4","4","6","3","1") = "5"
    & skf21("2","3","3","4","4","6","4","1") = "5"
    & skf21("2","3","3","4","4","6","5","1") = "5"
    & skf21("2","3","3","4","4","6","6","1") = "5"
    & skf21("2","3","3","4","4","6","7","1") = "6"
    & skf21("2","3","3","4","4","7","1","1") = "6"
    & skf21("2","3","3","4","4","7","2","1") = "6"
    & skf21("2","3","3","4","4","7","3","1") = "6"
    & skf21("2","3","3","4","4","7","4","1") = "6"
    & skf21("2","3","3","4","4","7","5","1") = "6"
    & skf21("2","3","3","4","4","7","6","1") = "6"
    & skf21("2","3","3","4","4","7","7","1") = "6"
    & skf21("2","3","3","4","5","1","1","1") = "4"
    & skf21("2","3","3","4","5","1","2","1") = "4"
    & skf21("2","3","3","4","5","1","3","1") = "4"
    & skf21("2","3","3","4","5","1","4","1") = "4"
    & skf21("2","3","3","4","5","1","5","1") = "4"
    & skf21("2","3","3","4","5","1","6","1") = "5"
    & skf21("2","3","3","4","5","1","7","1") = "6"
    & skf21("2","3","3","4","5","2","1","1") = "4"
    & skf21("2","3","3","4","5","2","2","1") = "4"
    & skf21("2","3","3","4","5","2","3","1") = "4"
    & skf21("2","3","3","4","5","2","4","1") = "4"
    & skf21("2","3","3","4","5","2","5","1") = "4"
    & skf21("2","3","3","4","5","2","6","1") = "5"
    & skf21("2","3","3","4","5","2","7","1") = "6"
    & skf21("2","3","3","4","5","3","1","1") = "4"
    & skf21("2","3","3","4","5","3","2","1") = "4"
    & skf21("2","3","3","4","5","3","3","1") = "4"
    & skf21("2","3","3","4","5","3","4","1") = "4"
    & skf21("2","3","3","4","5","3","5","1") = "4"
    & skf21("2","3","3","4","5","3","6","1") = "5"
    & skf21("2","3","3","4","5","3","7","1") = "6"
    & skf21("2","3","3","4","5","4","1","1") = "4"
    & skf21("2","3","3","4","5","4","2","1") = "4"
    & skf21("2","3","3","4","5","4","3","1") = "4"
    & skf21("2","3","3","4","5","4","4","1") = "4"
    & skf21("2","3","3","4","5","4","5","1") = "4"
    & skf21("2","3","3","4","5","4","6","1") = "5"
    & skf21("2","3","3","4","5","4","7","1") = "6"
    & skf21("2","3","3","4","5","5","1","1") = "4"
    & skf21("2","3","3","4","5","5","2","1") = "4"
    & skf21("2","3","3","4","5","5","3","1") = "4"
    & skf21("2","3","3","4","5","5","4","1") = "4"
    & skf21("2","3","3","4","5","5","5","1") = "4"
    & skf21("2","3","3","4","5","5","6","1") = "5"
    & skf21("2","3","3","4","5","5","7","1") = "6"
    & skf21("2","3","3","4","5","6","1","1") = "5"
    & skf21("2","3","3","4","5","6","2","1") = "5"
    & skf21("2","3","3","4","5","6","3","1") = "5"
    & skf21("2","3","3","4","5","6","4","1") = "5"
    & skf21("2","3","3","4","5","6","5","1") = "5"
    & skf21("2","3","3","4","5","6","6","1") = "5"
    & skf21("2","3","3","4","5","6","7","1") = "6"
    & skf21("2","3","3","4","5","7","1","1") = "6"
    & skf21("2","3","3","4","5","7","2","1") = "6"
    & skf21("2","3","3","4","5","7","3","1") = "6"
    & skf21("2","3","3","4","5","7","4","1") = "6"
    & skf21("2","3","3","4","5","7","5","1") = "6"
    & skf21("2","3","3","4","5","7","6","1") = "6"
    & skf21("2","3","3","4","5","7","7","1") = "6"
    & skf21("2","3","3","4","6","1","1","1") = "5"
    & skf21("2","3","3","4","6","1","2","1") = "5"
    & skf21("2","3","3","4","6","1","3","1") = "5"
    & skf21("2","3","3","4","6","1","4","1") = "5"
    & skf21("2","3","3","4","6","1","5","1") = "5"
    & skf21("2","3","3","4","6","1","6","1") = "5"
    & skf21("2","3","3","4","6","1","7","1") = "6"
    & skf21("2","3","3","4","6","2","1","1") = "5"
    & skf21("2","3","3","4","6","2","2","1") = "5"
    & skf21("2","3","3","4","6","2","3","1") = "5"
    & skf21("2","3","3","4","6","2","4","1") = "5"
    & skf21("2","3","3","4","6","2","5","1") = "5"
    & skf21("2","3","3","4","6","2","6","1") = "5"
    & skf21("2","3","3","4","6","2","7","1") = "6"
    & skf21("2","3","3","4","6","3","1","1") = "5"
    & skf21("2","3","3","4","6","3","2","1") = "5"
    & skf21("2","3","3","4","6","3","3","1") = "5"
    & skf21("2","3","3","4","6","3","4","1") = "5"
    & skf21("2","3","3","4","6","3","5","1") = "5"
    & skf21("2","3","3","4","6","3","6","1") = "5"
    & skf21("2","3","3","4","6","3","7","1") = "6"
    & skf21("2","3","3","4","6","4","1","1") = "5"
    & skf21("2","3","3","4","6","4","2","1") = "5"
    & skf21("2","3","3","4","6","4","3","1") = "5"
    & skf21("2","3","3","4","6","4","4","1") = "5"
    & skf21("2","3","3","4","6","4","5","1") = "5"
    & skf21("2","3","3","4","6","4","6","1") = "5"
    & skf21("2","3","3","4","6","4","7","1") = "6"
    & skf21("2","3","3","4","6","5","1","1") = "5"
    & skf21("2","3","3","4","6","5","2","1") = "5"
    & skf21("2","3","3","4","6","5","3","1") = "5"
    & skf21("2","3","3","4","6","5","4","1") = "5"
    & skf21("2","3","3","4","6","5","5","1") = "5"
    & skf21("2","3","3","4","6","5","6","1") = "5"
    & skf21("2","3","3","4","6","5","7","1") = "6"
    & skf21("2","3","3","4","6","6","1","1") = "5"
    & skf21("2","3","3","4","6","6","2","1") = "5"
    & skf21("2","3","3","4","6","6","3","1") = "5"
    & skf21("2","3","3","4","6","6","4","1") = "5"
    & skf21("2","3","3","4","6","6","5","1") = "5"
    & skf21("2","3","3","4","6","6","6","1") = "5"
    & skf21("2","3","3","4","6","6","7","1") = "6"
    & skf21("2","3","3","4","6","7","1","1") = "6"
    & skf21("2","3","3","4","6","7","2","1") = "6"
    & skf21("2","3","3","4","6","7","3","1") = "6"
    & skf21("2","3","3","4","6","7","4","1") = "6"
    & skf21("2","3","3","4","6","7","5","1") = "6"
    & skf21("2","3","3","4","6","7","6","1") = "6"
    & skf21("2","3","3","4","6","7","7","1") = "6"
    & skf21("2","3","3","4","7","1","1","1") = "6"
    & skf21("2","3","3","4","7","1","2","1") = "6"
    & skf21("2","3","3","4","7","1","3","1") = "6"
    & skf21("2","3","3","4","7","1","4","1") = "6"
    & skf21("2","3","3","4","7","1","5","1") = "6"
    & skf21("2","3","3","4","7","1","6","1") = "6"
    & skf21("2","3","3","4","7","1","7","1") = "6"
    & skf21("2","3","3","4","7","2","1","1") = "6"
    & skf21("2","3","3","4","7","2","2","1") = "6"
    & skf21("2","3","3","4","7","2","3","1") = "6"
    & skf21("2","3","3","4","7","2","4","1") = "6"
    & skf21("2","3","3","4","7","2","5","1") = "6"
    & skf21("2","3","3","4","7","2","6","1") = "6"
    & skf21("2","3","3","4","7","2","7","1") = "6"
    & skf21("2","3","3","4","7","3","1","1") = "6"
    & skf21("2","3","3","4","7","3","2","1") = "6"
    & skf21("2","3","3","4","7","3","3","1") = "6"
    & skf21("2","3","3","4","7","3","4","1") = "6"
    & skf21("2","3","3","4","7","3","5","1") = "6"
    & skf21("2","3","3","4","7","3","6","1") = "6"
    & skf21("2","3","3","4","7","3","7","1") = "6"
    & skf21("2","3","3","4","7","4","1","1") = "6"
    & skf21("2","3","3","4","7","4","2","1") = "6"
    & skf21("2","3","3","4","7","4","3","1") = "6"
    & skf21("2","3","3","4","7","4","4","1") = "6"
    & skf21("2","3","3","4","7","4","5","1") = "6"
    & skf21("2","3","3","4","7","4","6","1") = "6"
    & skf21("2","3","3","4","7","4","7","1") = "6"
    & skf21("2","3","3","4","7","5","1","1") = "6"
    & skf21("2","3","3","4","7","5","2","1") = "6"
    & skf21("2","3","3","4","7","5","3","1") = "6"
    & skf21("2","3","3","4","7","5","4","1") = "6"
    & skf21("2","3","3","4","7","5","5","1") = "6"
    & skf21("2","3","3","4","7","5","6","1") = "6"
    & skf21("2","3","3","4","7","5","7","1") = "6"
    & skf21("2","3","3","4","7","6","1","1") = "6"
    & skf21("2","3","3","4","7","6","2","1") = "6"
    & skf21("2","3","3","4","7","6","3","1") = "6"
    & skf21("2","3","3","4","7","6","4","1") = "6"
    & skf21("2","3","3","4","7","6","5","1") = "6"
    & skf21("2","3","3","4","7","6","6","1") = "6"
    & skf21("2","3","3","4","7","6","7","1") = "6"
    & skf21("2","3","3","4","7","7","1","1") = "6"
    & skf21("2","3","3","4","7","7","2","1") = "6"
    & skf21("2","3","3","4","7","7","3","1") = "6"
    & skf21("2","3","3","4","7","7","4","1") = "6"
    & skf21("2","3","3","4","7","7","5","1") = "6"
    & skf21("2","3","3","4","7","7","6","1") = "6"
    & skf21("2","3","3","4","7","7","7","1") = "6"
    & skf21("2","3","3","5","1","1","1","1") = "4"
    & skf21("2","3","3","5","1","1","2","1") = "4"
    & skf21("2","3","3","5","1","1","3","1") = "4"
    & skf21("2","3","3","5","1","1","4","1") = "4"
    & skf21("2","3","3","5","1","1","5","1") = "4"
    & skf21("2","3","3","5","1","1","6","1") = "5"
    & skf21("2","3","3","5","1","1","7","1") = "6"
    & skf21("2","3","3","5","1","2","1","1") = "4"
    & skf21("2","3","3","5","1","2","2","1") = "4"
    & skf21("2","3","3","5","1","2","3","1") = "4"
    & skf21("2","3","3","5","1","2","4","1") = "4"
    & skf21("2","3","3","5","1","2","5","1") = "4"
    & skf21("2","3","3","5","1","2","6","1") = "5"
    & skf21("2","3","3","5","1","2","7","1") = "6"
    & skf21("2","3","3","5","1","3","1","1") = "4"
    & skf21("2","3","3","5","1","3","2","1") = "4"
    & skf21("2","3","3","5","1","3","3","1") = "4"
    & skf21("2","3","3","5","1","3","4","1") = "4"
    & skf21("2","3","3","5","1","3","5","1") = "4"
    & skf21("2","3","3","5","1","3","6","1") = "5"
    & skf21("2","3","3","5","1","3","7","1") = "6"
    & skf21("2","3","3","5","1","4","1","1") = "4"
    & skf21("2","3","3","5","1","4","2","1") = "4"
    & skf21("2","3","3","5","1","4","3","1") = "4"
    & skf21("2","3","3","5","1","4","4","1") = "4"
    & skf21("2","3","3","5","1","4","5","1") = "4"
    & skf21("2","3","3","5","1","4","6","1") = "5"
    & skf21("2","3","3","5","1","4","7","1") = "6"
    & skf21("2","3","3","5","1","5","1","1") = "4"
    & skf21("2","3","3","5","1","5","2","1") = "4"
    & skf21("2","3","3","5","1","5","3","1") = "4"
    & skf21("2","3","3","5","1","5","4","1") = "4"
    & skf21("2","3","3","5","1","5","5","1") = "4"
    & skf21("2","3","3","5","1","5","6","1") = "5"
    & skf21("2","3","3","5","1","5","7","1") = "6"
    & skf21("2","3","3","5","1","6","1","1") = "5"
    & skf21("2","3","3","5","1","6","2","1") = "5"
    & skf21("2","3","3","5","1","6","3","1") = "5"
    & skf21("2","3","3","5","1","6","4","1") = "5"
    & skf21("2","3","3","5","1","6","5","1") = "5"
    & skf21("2","3","3","5","1","6","6","1") = "5"
    & skf21("2","3","3","5","1","6","7","1") = "6"
    & skf21("2","3","3","5","1","7","1","1") = "6"
    & skf21("2","3","3","5","1","7","2","1") = "6"
    & skf21("2","3","3","5","1","7","3","1") = "6"
    & skf21("2","3","3","5","1","7","4","1") = "6"
    & skf21("2","3","3","5","1","7","5","1") = "6"
    & skf21("2","3","3","5","1","7","6","1") = "6"
    & skf21("2","3","3","5","1","7","7","1") = "6"
    & skf21("2","3","3","5","2","1","1","1") = "4"
    & skf21("2","3","3","5","2","1","2","1") = "4"
    & skf21("2","3","3","5","2","1","3","1") = "4"
    & skf21("2","3","3","5","2","1","4","1") = "4"
    & skf21("2","3","3","5","2","1","5","1") = "4"
    & skf21("2","3","3","5","2","1","6","1") = "5"
    & skf21("2","3","3","5","2","1","7","1") = "6"
    & skf21("2","3","3","5","2","2","1","1") = "4"
    & skf21("2","3","3","5","2","2","2","1") = "4"
    & skf21("2","3","3","5","2","2","3","1") = "4"
    & skf21("2","3","3","5","2","2","4","1") = "4"
    & skf21("2","3","3","5","2","2","5","1") = "4"
    & skf21("2","3","3","5","2","2","6","1") = "5"
    & skf21("2","3","3","5","2","2","7","1") = "6"
    & skf21("2","3","3","5","2","3","1","1") = "4"
    & skf21("2","3","3","5","2","3","2","1") = "4"
    & skf21("2","3","3","5","2","3","3","1") = "4"
    & skf21("2","3","3","5","2","3","4","1") = "4"
    & skf21("2","3","3","5","2","3","5","1") = "4"
    & skf21("2","3","3","5","2","3","6","1") = "5"
    & skf21("2","3","3","5","2","3","7","1") = "6"
    & skf21("2","3","3","5","2","4","1","1") = "4"
    & skf21("2","3","3","5","2","4","2","1") = "4"
    & skf21("2","3","3","5","2","4","3","1") = "4"
    & skf21("2","3","3","5","2","4","4","1") = "4"
    & skf21("2","3","3","5","2","4","5","1") = "4"
    & skf21("2","3","3","5","2","4","6","1") = "5"
    & skf21("2","3","3","5","2","4","7","1") = "6"
    & skf21("2","3","3","5","2","5","1","1") = "4"
    & skf21("2","3","3","5","2","5","2","1") = "4"
    & skf21("2","3","3","5","2","5","3","1") = "4"
    & skf21("2","3","3","5","2","5","4","1") = "4"
    & skf21("2","3","3","5","2","5","5","1") = "4"
    & skf21("2","3","3","5","2","5","6","1") = "5"
    & skf21("2","3","3","5","2","5","7","1") = "6"
    & skf21("2","3","3","5","2","6","1","1") = "5"
    & skf21("2","3","3","5","2","6","2","1") = "5"
    & skf21("2","3","3","5","2","6","3","1") = "5"
    & skf21("2","3","3","5","2","6","4","1") = "5"
    & skf21("2","3","3","5","2","6","5","1") = "5"
    & skf21("2","3","3","5","2","6","6","1") = "5"
    & skf21("2","3","3","5","2","6","7","1") = "6"
    & skf21("2","3","3","5","2","7","1","1") = "6"
    & skf21("2","3","3","5","2","7","2","1") = "6"
    & skf21("2","3","3","5","2","7","3","1") = "6"
    & skf21("2","3","3","5","2","7","4","1") = "6"
    & skf21("2","3","3","5","2","7","5","1") = "6"
    & skf21("2","3","3","5","2","7","6","1") = "6"
    & skf21("2","3","3","5","2","7","7","1") = "6"
    & skf21("2","3","3","5","3","1","1","1") = "4"
    & skf21("2","3","3","5","3","1","2","1") = "4"
    & skf21("2","3","3","5","3","1","3","1") = "4"
    & skf21("2","3","3","5","3","1","4","1") = "4"
    & skf21("2","3","3","5","3","1","5","1") = "4"
    & skf21("2","3","3","5","3","1","6","1") = "5"
    & skf21("2","3","3","5","3","1","7","1") = "6"
    & skf21("2","3","3","5","3","2","1","1") = "4"
    & skf21("2","3","3","5","3","2","2","1") = "4"
    & skf21("2","3","3","5","3","2","3","1") = "4"
    & skf21("2","3","3","5","3","2","4","1") = "4"
    & skf21("2","3","3","5","3","2","5","1") = "4"
    & skf21("2","3","3","5","3","2","6","1") = "5"
    & skf21("2","3","3","5","3","2","7","1") = "6"
    & skf21("2","3","3","5","3","3","1","1") = "4"
    & skf21("2","3","3","5","3","3","2","1") = "4"
    & skf21("2","3","3","5","3","3","3","1") = "4"
    & skf21("2","3","3","5","3","3","4","1") = "4"
    & skf21("2","3","3","5","3","3","5","1") = "4"
    & skf21("2","3","3","5","3","3","6","1") = "5"
    & skf21("2","3","3","5","3","3","7","1") = "6"
    & skf21("2","3","3","5","3","4","1","1") = "4"
    & skf21("2","3","3","5","3","4","2","1") = "4"
    & skf21("2","3","3","5","3","4","3","1") = "4"
    & skf21("2","3","3","5","3","4","4","1") = "4"
    & skf21("2","3","3","5","3","4","5","1") = "4"
    & skf21("2","3","3","5","3","4","6","1") = "5"
    & skf21("2","3","3","5","3","4","7","1") = "6"
    & skf21("2","3","3","5","3","5","1","1") = "4"
    & skf21("2","3","3","5","3","5","2","1") = "4"
    & skf21("2","3","3","5","3","5","3","1") = "4"
    & skf21("2","3","3","5","3","5","4","1") = "4"
    & skf21("2","3","3","5","3","5","5","1") = "4"
    & skf21("2","3","3","5","3","5","6","1") = "5"
    & skf21("2","3","3","5","3","5","7","1") = "6"
    & skf21("2","3","3","5","3","6","1","1") = "5"
    & skf21("2","3","3","5","3","6","2","1") = "5"
    & skf21("2","3","3","5","3","6","3","1") = "5"
    & skf21("2","3","3","5","3","6","4","1") = "5"
    & skf21("2","3","3","5","3","6","5","1") = "5"
    & skf21("2","3","3","5","3","6","6","1") = "5"
    & skf21("2","3","3","5","3","6","7","1") = "6"
    & skf21("2","3","3","5","3","7","1","1") = "6"
    & skf21("2","3","3","5","3","7","2","1") = "6"
    & skf21("2","3","3","5","3","7","3","1") = "6"
    & skf21("2","3","3","5","3","7","4","1") = "6"
    & skf21("2","3","3","5","3","7","5","1") = "6"
    & skf21("2","3","3","5","3","7","6","1") = "6"
    & skf21("2","3","3","5","3","7","7","1") = "6"
    & skf21("2","3","3","5","4","1","1","1") = "4"
    & skf21("2","3","3","5","4","1","2","1") = "4"
    & skf21("2","3","3","5","4","1","3","1") = "4"
    & skf21("2","3","3","5","4","1","4","1") = "4"
    & skf21("2","3","3","5","4","1","5","1") = "4"
    & skf21("2","3","3","5","4","1","6","1") = "5"
    & skf21("2","3","3","5","4","1","7","1") = "6"
    & skf21("2","3","3","5","4","2","1","1") = "4"
    & skf21("2","3","3","5","4","2","2","1") = "4"
    & skf21("2","3","3","5","4","2","3","1") = "4"
    & skf21("2","3","3","5","4","2","4","1") = "4"
    & skf21("2","3","3","5","4","2","5","1") = "4"
    & skf21("2","3","3","5","4","2","6","1") = "5"
    & skf21("2","3","3","5","4","2","7","1") = "6"
    & skf21("2","3","3","5","4","3","1","1") = "4"
    & skf21("2","3","3","5","4","3","2","1") = "4"
    & skf21("2","3","3","5","4","3","3","1") = "4"
    & skf21("2","3","3","5","4","3","4","1") = "4"
    & skf21("2","3","3","5","4","3","5","1") = "4"
    & skf21("2","3","3","5","4","3","6","1") = "5"
    & skf21("2","3","3","5","4","3","7","1") = "6"
    & skf21("2","3","3","5","4","4","1","1") = "4"
    & skf21("2","3","3","5","4","4","2","1") = "4"
    & skf21("2","3","3","5","4","4","3","1") = "4"
    & skf21("2","3","3","5","4","4","4","1") = "4"
    & skf21("2","3","3","5","4","4","5","1") = "4"
    & skf21("2","3","3","5","4","4","6","1") = "5"
    & skf21("2","3","3","5","4","4","7","1") = "6"
    & skf21("2","3","3","5","4","5","1","1") = "4"
    & skf21("2","3","3","5","4","5","2","1") = "4"
    & skf21("2","3","3","5","4","5","3","1") = "4"
    & skf21("2","3","3","5","4","5","4","1") = "4"
    & skf21("2","3","3","5","4","5","5","1") = "4"
    & skf21("2","3","3","5","4","5","6","1") = "5"
    & skf21("2","3","3","5","4","5","7","1") = "6"
    & skf21("2","3","3","5","4","6","1","1") = "5"
    & skf21("2","3","3","5","4","6","2","1") = "5"
    & skf21("2","3","3","5","4","6","3","1") = "5"
    & skf21("2","3","3","5","4","6","4","1") = "5"
    & skf21("2","3","3","5","4","6","5","1") = "5"
    & skf21("2","3","3","5","4","6","6","1") = "5"
    & skf21("2","3","3","5","4","6","7","1") = "6"
    & skf21("2","3","3","5","4","7","1","1") = "6"
    & skf21("2","3","3","5","4","7","2","1") = "6"
    & skf21("2","3","3","5","4","7","3","1") = "6"
    & skf21("2","3","3","5","4","7","4","1") = "6"
    & skf21("2","3","3","5","4","7","5","1") = "6"
    & skf21("2","3","3","5","4","7","6","1") = "6"
    & skf21("2","3","3","5","4","7","7","1") = "6"
    & skf21("2","3","3","5","5","1","1","1") = "4"
    & skf21("2","3","3","5","5","1","2","1") = "4"
    & skf21("2","3","3","5","5","1","3","1") = "4"
    & skf21("2","3","3","5","5","1","4","1") = "4"
    & skf21("2","3","3","5","5","1","5","1") = "4"
    & skf21("2","3","3","5","5","1","6","1") = "5"
    & skf21("2","3","3","5","5","1","7","1") = "6"
    & skf21("2","3","3","5","5","2","1","1") = "4"
    & skf21("2","3","3","5","5","2","2","1") = "4"
    & skf21("2","3","3","5","5","2","3","1") = "4"
    & skf21("2","3","3","5","5","2","4","1") = "4"
    & skf21("2","3","3","5","5","2","5","1") = "4"
    & skf21("2","3","3","5","5","2","6","1") = "5"
    & skf21("2","3","3","5","5","2","7","1") = "6"
    & skf21("2","3","3","5","5","3","1","1") = "4"
    & skf21("2","3","3","5","5","3","2","1") = "4"
    & skf21("2","3","3","5","5","3","3","1") = "4"
    & skf21("2","3","3","5","5","3","4","1") = "4"
    & skf21("2","3","3","5","5","3","5","1") = "4"
    & skf21("2","3","3","5","5","3","6","1") = "5"
    & skf21("2","3","3","5","5","3","7","1") = "6"
    & skf21("2","3","3","5","5","4","1","1") = "4"
    & skf21("2","3","3","5","5","4","2","1") = "4"
    & skf21("2","3","3","5","5","4","3","1") = "4"
    & skf21("2","3","3","5","5","4","4","1") = "4"
    & skf21("2","3","3","5","5","4","5","1") = "4"
    & skf21("2","3","3","5","5","4","6","1") = "5"
    & skf21("2","3","3","5","5","4","7","1") = "6"
    & skf21("2","3","3","5","5","5","1","1") = "4"
    & skf21("2","3","3","5","5","5","2","1") = "4"
    & skf21("2","3","3","5","5","5","3","1") = "4"
    & skf21("2","3","3","5","5","5","4","1") = "4"
    & skf21("2","3","3","5","5","5","5","1") = "4"
    & skf21("2","3","3","5","5","5","6","1") = "5"
    & skf21("2","3","3","5","5","5","7","1") = "6"
    & skf21("2","3","3","5","5","6","1","1") = "5"
    & skf21("2","3","3","5","5","6","2","1") = "5"
    & skf21("2","3","3","5","5","6","3","1") = "5"
    & skf21("2","3","3","5","5","6","4","1") = "5"
    & skf21("2","3","3","5","5","6","5","1") = "5"
    & skf21("2","3","3","5","5","6","6","1") = "5"
    & skf21("2","3","3","5","5","6","7","1") = "6"
    & skf21("2","3","3","5","5","7","1","1") = "6"
    & skf21("2","3","3","5","5","7","2","1") = "6"
    & skf21("2","3","3","5","5","7","3","1") = "6"
    & skf21("2","3","3","5","5","7","4","1") = "6"
    & skf21("2","3","3","5","5","7","5","1") = "6"
    & skf21("2","3","3","5","5","7","6","1") = "6"
    & skf21("2","3","3","5","5","7","7","1") = "6"
    & skf21("2","3","3","5","6","1","1","1") = "5"
    & skf21("2","3","3","5","6","1","2","1") = "5"
    & skf21("2","3","3","5","6","1","3","1") = "5"
    & skf21("2","3","3","5","6","1","4","1") = "5"
    & skf21("2","3","3","5","6","1","5","1") = "5"
    & skf21("2","3","3","5","6","1","6","1") = "5"
    & skf21("2","3","3","5","6","1","7","1") = "6"
    & skf21("2","3","3","5","6","2","1","1") = "5"
    & skf21("2","3","3","5","6","2","2","1") = "5"
    & skf21("2","3","3","5","6","2","3","1") = "5"
    & skf21("2","3","3","5","6","2","4","1") = "5"
    & skf21("2","3","3","5","6","2","5","1") = "5"
    & skf21("2","3","3","5","6","2","6","1") = "5"
    & skf21("2","3","3","5","6","2","7","1") = "6"
    & skf21("2","3","3","5","6","3","1","1") = "5"
    & skf21("2","3","3","5","6","3","2","1") = "5"
    & skf21("2","3","3","5","6","3","3","1") = "5"
    & skf21("2","3","3","5","6","3","4","1") = "5"
    & skf21("2","3","3","5","6","3","5","1") = "5"
    & skf21("2","3","3","5","6","3","6","1") = "5"
    & skf21("2","3","3","5","6","3","7","1") = "6"
    & skf21("2","3","3","5","6","4","1","1") = "5"
    & skf21("2","3","3","5","6","4","2","1") = "5"
    & skf21("2","3","3","5","6","4","3","1") = "5"
    & skf21("2","3","3","5","6","4","4","1") = "5"
    & skf21("2","3","3","5","6","4","5","1") = "5"
    & skf21("2","3","3","5","6","4","6","1") = "5"
    & skf21("2","3","3","5","6","4","7","1") = "6"
    & skf21("2","3","3","5","6","5","1","1") = "5"
    & skf21("2","3","3","5","6","5","2","1") = "5"
    & skf21("2","3","3","5","6","5","3","1") = "5"
    & skf21("2","3","3","5","6","5","4","1") = "5"
    & skf21("2","3","3","5","6","5","5","1") = "5"
    & skf21("2","3","3","5","6","5","6","1") = "5"
    & skf21("2","3","3","5","6","5","7","1") = "6"
    & skf21("2","3","3","5","6","6","1","1") = "5"
    & skf21("2","3","3","5","6","6","2","1") = "5"
    & skf21("2","3","3","5","6","6","3","1") = "5"
    & skf21("2","3","3","5","6","6","4","1") = "5"
    & skf21("2","3","3","5","6","6","5","1") = "5"
    & skf21("2","3","3","5","6","6","6","1") = "5"
    & skf21("2","3","3","5","6","6","7","1") = "6"
    & skf21("2","3","3","5","6","7","1","1") = "6"
    & skf21("2","3","3","5","6","7","2","1") = "6"
    & skf21("2","3","3","5","6","7","3","1") = "6"
    & skf21("2","3","3","5","6","7","4","1") = "6"
    & skf21("2","3","3","5","6","7","5","1") = "6"
    & skf21("2","3","3","5","6","7","6","1") = "6"
    & skf21("2","3","3","5","6","7","7","1") = "6"
    & skf21("2","3","3","5","7","1","1","1") = "6"
    & skf21("2","3","3","5","7","1","2","1") = "6"
    & skf21("2","3","3","5","7","1","3","1") = "6"
    & skf21("2","3","3","5","7","1","4","1") = "6"
    & skf21("2","3","3","5","7","1","5","1") = "6"
    & skf21("2","3","3","5","7","1","6","1") = "6"
    & skf21("2","3","3","5","7","1","7","1") = "6"
    & skf21("2","3","3","5","7","2","1","1") = "6"
    & skf21("2","3","3","5","7","2","2","1") = "6"
    & skf21("2","3","3","5","7","2","3","1") = "6"
    & skf21("2","3","3","5","7","2","4","1") = "6"
    & skf21("2","3","3","5","7","2","5","1") = "6"
    & skf21("2","3","3","5","7","2","6","1") = "6"
    & skf21("2","3","3","5","7","2","7","1") = "6"
    & skf21("2","3","3","5","7","3","1","1") = "6"
    & skf21("2","3","3","5","7","3","2","1") = "6"
    & skf21("2","3","3","5","7","3","3","1") = "6"
    & skf21("2","3","3","5","7","3","4","1") = "6"
    & skf21("2","3","3","5","7","3","5","1") = "6"
    & skf21("2","3","3","5","7","3","6","1") = "6"
    & skf21("2","3","3","5","7","3","7","1") = "6"
    & skf21("2","3","3","5","7","4","1","1") = "6"
    & skf21("2","3","3","5","7","4","2","1") = "6"
    & skf21("2","3","3","5","7","4","3","1") = "6"
    & skf21("2","3","3","5","7","4","4","1") = "6"
    & skf21("2","3","3","5","7","4","5","1") = "6"
    & skf21("2","3","3","5","7","4","6","1") = "6"
    & skf21("2","3","3","5","7","4","7","1") = "6"
    & skf21("2","3","3","5","7","5","1","1") = "6"
    & skf21("2","3","3","5","7","5","2","1") = "6"
    & skf21("2","3","3","5","7","5","3","1") = "6"
    & skf21("2","3","3","5","7","5","4","1") = "6"
    & skf21("2","3","3","5","7","5","5","1") = "6"
    & skf21("2","3","3","5","7","5","6","1") = "6"
    & skf21("2","3","3","5","7","5","7","1") = "6"
    & skf21("2","3","3","5","7","6","1","1") = "6"
    & skf21("2","3","3","5","7","6","2","1") = "6"
    & skf21("2","3","3","5","7","6","3","1") = "6"
    & skf21("2","3","3","5","7","6","4","1") = "6"
    & skf21("2","3","3","5","7","6","5","1") = "6"
    & skf21("2","3","3","5","7","6","6","1") = "6"
    & skf21("2","3","3","5","7","6","7","1") = "6"
    & skf21("2","3","3","5","7","7","1","1") = "6"
    & skf21("2","3","3","5","7","7","2","1") = "6"
    & skf21("2","3","3","5","7","7","3","1") = "6"
    & skf21("2","3","3","5","7","7","4","1") = "6"
    & skf21("2","3","3","5","7","7","5","1") = "6"
    & skf21("2","3","3","5","7","7","6","1") = "6"
    & skf21("2","3","3","5","7","7","7","1") = "6"
    & skf21("2","3","3","6","1","1","1","1") = "5"
    & skf21("2","3","3","6","1","1","2","1") = "5"
    & skf21("2","3","3","6","1","1","3","1") = "5"
    & skf21("2","3","3","6","1","1","4","1") = "5"
    & skf21("2","3","3","6","1","1","5","1") = "5"
    & skf21("2","3","3","6","1","1","6","1") = "5"
    & skf21("2","3","3","6","1","1","7","1") = "6"
    & skf21("2","3","3","6","1","2","1","1") = "5"
    & skf21("2","3","3","6","1","2","2","1") = "5"
    & skf21("2","3","3","6","1","2","3","1") = "5"
    & skf21("2","3","3","6","1","2","4","1") = "5"
    & skf21("2","3","3","6","1","2","5","1") = "5"
    & skf21("2","3","3","6","1","2","6","1") = "5"
    & skf21("2","3","3","6","1","2","7","1") = "6"
    & skf21("2","3","3","6","1","3","1","1") = "5"
    & skf21("2","3","3","6","1","3","2","1") = "5"
    & skf21("2","3","3","6","1","3","3","1") = "5"
    & skf21("2","3","3","6","1","3","4","1") = "5"
    & skf21("2","3","3","6","1","3","5","1") = "5"
    & skf21("2","3","3","6","1","3","6","1") = "5"
    & skf21("2","3","3","6","1","3","7","1") = "6"
    & skf21("2","3","3","6","1","4","1","1") = "5"
    & skf21("2","3","3","6","1","4","2","1") = "5"
    & skf21("2","3","3","6","1","4","3","1") = "5"
    & skf21("2","3","3","6","1","4","4","1") = "5"
    & skf21("2","3","3","6","1","4","5","1") = "5"
    & skf21("2","3","3","6","1","4","6","1") = "5"
    & skf21("2","3","3","6","1","4","7","1") = "6"
    & skf21("2","3","3","6","1","5","1","1") = "5"
    & skf21("2","3","3","6","1","5","2","1") = "5"
    & skf21("2","3","3","6","1","5","3","1") = "5"
    & skf21("2","3","3","6","1","5","4","1") = "5"
    & skf21("2","3","3","6","1","5","5","1") = "5"
    & skf21("2","3","3","6","1","5","6","1") = "5"
    & skf21("2","3","3","6","1","5","7","1") = "6"
    & skf21("2","3","3","6","1","6","1","1") = "5"
    & skf21("2","3","3","6","1","6","2","1") = "5"
    & skf21("2","3","3","6","1","6","3","1") = "5"
    & skf21("2","3","3","6","1","6","4","1") = "5"
    & skf21("2","3","3","6","1","6","5","1") = "5"
    & skf21("2","3","3","6","1","6","6","1") = "5"
    & skf21("2","3","3","6","1","6","7","1") = "6"
    & skf21("2","3","3","6","1","7","1","1") = "6"
    & skf21("2","3","3","6","1","7","2","1") = "6"
    & skf21("2","3","3","6","1","7","3","1") = "6"
    & skf21("2","3","3","6","1","7","4","1") = "6"
    & skf21("2","3","3","6","1","7","5","1") = "6"
    & skf21("2","3","3","6","1","7","6","1") = "6"
    & skf21("2","3","3","6","1","7","7","1") = "6"
    & skf21("2","3","3","6","2","1","1","1") = "5"
    & skf21("2","3","3","6","2","1","2","1") = "5"
    & skf21("2","3","3","6","2","1","3","1") = "5"
    & skf21("2","3","3","6","2","1","4","1") = "5"
    & skf21("2","3","3","6","2","1","5","1") = "5"
    & skf21("2","3","3","6","2","1","6","1") = "5"
    & skf21("2","3","3","6","2","1","7","1") = "6"
    & skf21("2","3","3","6","2","2","1","1") = "5"
    & skf21("2","3","3","6","2","2","2","1") = "5"
    & skf21("2","3","3","6","2","2","3","1") = "5"
    & skf21("2","3","3","6","2","2","4","1") = "5"
    & skf21("2","3","3","6","2","2","5","1") = "5"
    & skf21("2","3","3","6","2","2","6","1") = "5"
    & skf21("2","3","3","6","2","2","7","1") = "6"
    & skf21("2","3","3","6","2","3","1","1") = "5"
    & skf21("2","3","3","6","2","3","2","1") = "5"
    & skf21("2","3","3","6","2","3","3","1") = "5"
    & skf21("2","3","3","6","2","3","4","1") = "5"
    & skf21("2","3","3","6","2","3","5","1") = "5"
    & skf21("2","3","3","6","2","3","6","1") = "5"
    & skf21("2","3","3","6","2","3","7","1") = "6"
    & skf21("2","3","3","6","2","4","1","1") = "5"
    & skf21("2","3","3","6","2","4","2","1") = "5"
    & skf21("2","3","3","6","2","4","3","1") = "5"
    & skf21("2","3","3","6","2","4","4","1") = "5"
    & skf21("2","3","3","6","2","4","5","1") = "5"
    & skf21("2","3","3","6","2","4","6","1") = "5"
    & skf21("2","3","3","6","2","4","7","1") = "6"
    & skf21("2","3","3","6","2","5","1","1") = "5"
    & skf21("2","3","3","6","2","5","2","1") = "5"
    & skf21("2","3","3","6","2","5","3","1") = "5"
    & skf21("2","3","3","6","2","5","4","1") = "5"
    & skf21("2","3","3","6","2","5","5","1") = "5"
    & skf21("2","3","3","6","2","5","6","1") = "5"
    & skf21("2","3","3","6","2","5","7","1") = "6"
    & skf21("2","3","3","6","2","6","1","1") = "5"
    & skf21("2","3","3","6","2","6","2","1") = "5"
    & skf21("2","3","3","6","2","6","3","1") = "5"
    & skf21("2","3","3","6","2","6","4","1") = "5"
    & skf21("2","3","3","6","2","6","5","1") = "5"
    & skf21("2","3","3","6","2","6","6","1") = "5"
    & skf21("2","3","3","6","2","6","7","1") = "6"
    & skf21("2","3","3","6","2","7","1","1") = "6"
    & skf21("2","3","3","6","2","7","2","1") = "6"
    & skf21("2","3","3","6","2","7","3","1") = "6"
    & skf21("2","3","3","6","2","7","4","1") = "6"
    & skf21("2","3","3","6","2","7","5","1") = "6"
    & skf21("2","3","3","6","2","7","6","1") = "6"
    & skf21("2","3","3","6","2","7","7","1") = "6"
    & skf21("2","3","3","6","3","1","1","1") = "5"
    & skf21("2","3","3","6","3","1","2","1") = "5"
    & skf21("2","3","3","6","3","1","3","1") = "5"
    & skf21("2","3","3","6","3","1","4","1") = "5"
    & skf21("2","3","3","6","3","1","5","1") = "5"
    & skf21("2","3","3","6","3","1","6","1") = "5"
    & skf21("2","3","3","6","3","1","7","1") = "6"
    & skf21("2","3","3","6","3","2","1","1") = "5"
    & skf21("2","3","3","6","3","2","2","1") = "5"
    & skf21("2","3","3","6","3","2","3","1") = "5"
    & skf21("2","3","3","6","3","2","4","1") = "5"
    & skf21("2","3","3","6","3","2","5","1") = "5"
    & skf21("2","3","3","6","3","2","6","1") = "5"
    & skf21("2","3","3","6","3","2","7","1") = "6"
    & skf21("2","3","3","6","3","3","1","1") = "5"
    & skf21("2","3","3","6","3","3","2","1") = "5"
    & skf21("2","3","3","6","3","3","3","1") = "5"
    & skf21("2","3","3","6","3","3","4","1") = "5"
    & skf21("2","3","3","6","3","3","5","1") = "5"
    & skf21("2","3","3","6","3","3","6","1") = "5"
    & skf21("2","3","3","6","3","3","7","1") = "6"
    & skf21("2","3","3","6","3","4","1","1") = "5"
    & skf21("2","3","3","6","3","4","2","1") = "5"
    & skf21("2","3","3","6","3","4","3","1") = "5"
    & skf21("2","3","3","6","3","4","4","1") = "5"
    & skf21("2","3","3","6","3","4","5","1") = "5"
    & skf21("2","3","3","6","3","4","6","1") = "5"
    & skf21("2","3","3","6","3","4","7","1") = "6"
    & skf21("2","3","3","6","3","5","1","1") = "5"
    & skf21("2","3","3","6","3","5","2","1") = "5"
    & skf21("2","3","3","6","3","5","3","1") = "5"
    & skf21("2","3","3","6","3","5","4","1") = "5"
    & skf21("2","3","3","6","3","5","5","1") = "5"
    & skf21("2","3","3","6","3","5","6","1") = "5"
    & skf21("2","3","3","6","3","5","7","1") = "6"
    & skf21("2","3","3","6","3","6","1","1") = "5"
    & skf21("2","3","3","6","3","6","2","1") = "5"
    & skf21("2","3","3","6","3","6","3","1") = "5"
    & skf21("2","3","3","6","3","6","4","1") = "5"
    & skf21("2","3","3","6","3","6","5","1") = "5"
    & skf21("2","3","3","6","3","6","6","1") = "5"
    & skf21("2","3","3","6","3","6","7","1") = "6"
    & skf21("2","3","3","6","3","7","1","1") = "6"
    & skf21("2","3","3","6","3","7","2","1") = "6"
    & skf21("2","3","3","6","3","7","3","1") = "6"
    & skf21("2","3","3","6","3","7","4","1") = "6"
    & skf21("2","3","3","6","3","7","5","1") = "6"
    & skf21("2","3","3","6","3","7","6","1") = "6"
    & skf21("2","3","3","6","3","7","7","1") = "6"
    & skf21("2","3","3","6","4","1","1","1") = "5"
    & skf21("2","3","3","6","4","1","2","1") = "5"
    & skf21("2","3","3","6","4","1","3","1") = "5"
    & skf21("2","3","3","6","4","1","4","1") = "5"
    & skf21("2","3","3","6","4","1","5","1") = "5"
    & skf21("2","3","3","6","4","1","6","1") = "5"
    & skf21("2","3","3","6","4","1","7","1") = "6"
    & skf21("2","3","3","6","4","2","1","1") = "5"
    & skf21("2","3","3","6","4","2","2","1") = "5"
    & skf21("2","3","3","6","4","2","3","1") = "5"
    & skf21("2","3","3","6","4","2","4","1") = "5"
    & skf21("2","3","3","6","4","2","5","1") = "5"
    & skf21("2","3","3","6","4","2","6","1") = "5"
    & skf21("2","3","3","6","4","2","7","1") = "6"
    & skf21("2","3","3","6","4","3","1","1") = "5"
    & skf21("2","3","3","6","4","3","2","1") = "5"
    & skf21("2","3","3","6","4","3","3","1") = "5"
    & skf21("2","3","3","6","4","3","4","1") = "5"
    & skf21("2","3","3","6","4","3","5","1") = "5"
    & skf21("2","3","3","6","4","3","6","1") = "5"
    & skf21("2","3","3","6","4","3","7","1") = "6"
    & skf21("2","3","3","6","4","4","1","1") = "5"
    & skf21("2","3","3","6","4","4","2","1") = "5"
    & skf21("2","3","3","6","4","4","3","1") = "5"
    & skf21("2","3","3","6","4","4","4","1") = "5"
    & skf21("2","3","3","6","4","4","5","1") = "5"
    & skf21("2","3","3","6","4","4","6","1") = "5"
    & skf21("2","3","3","6","4","4","7","1") = "6"
    & skf21("2","3","3","6","4","5","1","1") = "5"
    & skf21("2","3","3","6","4","5","2","1") = "5"
    & skf21("2","3","3","6","4","5","3","1") = "5"
    & skf21("2","3","3","6","4","5","4","1") = "5"
    & skf21("2","3","3","6","4","5","5","1") = "5"
    & skf21("2","3","3","6","4","5","6","1") = "5"
    & skf21("2","3","3","6","4","5","7","1") = "6"
    & skf21("2","3","3","6","4","6","1","1") = "5"
    & skf21("2","3","3","6","4","6","2","1") = "5"
    & skf21("2","3","3","6","4","6","3","1") = "5"
    & skf21("2","3","3","6","4","6","4","1") = "5"
    & skf21("2","3","3","6","4","6","5","1") = "5"
    & skf21("2","3","3","6","4","6","6","1") = "5"
    & skf21("2","3","3","6","4","6","7","1") = "6"
    & skf21("2","3","3","6","4","7","1","1") = "6"
    & skf21("2","3","3","6","4","7","2","1") = "6"
    & skf21("2","3","3","6","4","7","3","1") = "6"
    & skf21("2","3","3","6","4","7","4","1") = "6"
    & skf21("2","3","3","6","4","7","5","1") = "6"
    & skf21("2","3","3","6","4","7","6","1") = "6"
    & skf21("2","3","3","6","4","7","7","1") = "6"
    & skf21("2","3","3","6","5","1","1","1") = "5"
    & skf21("2","3","3","6","5","1","2","1") = "5"
    & skf21("2","3","3","6","5","1","3","1") = "5"
    & skf21("2","3","3","6","5","1","4","1") = "5"
    & skf21("2","3","3","6","5","1","5","1") = "5"
    & skf21("2","3","3","6","5","1","6","1") = "5"
    & skf21("2","3","3","6","5","1","7","1") = "6"
    & skf21("2","3","3","6","5","2","1","1") = "5"
    & skf21("2","3","3","6","5","2","2","1") = "5"
    & skf21("2","3","3","6","5","2","3","1") = "5"
    & skf21("2","3","3","6","5","2","4","1") = "5"
    & skf21("2","3","3","6","5","2","5","1") = "5"
    & skf21("2","3","3","6","5","2","6","1") = "5"
    & skf21("2","3","3","6","5","2","7","1") = "6"
    & skf21("2","3","3","6","5","3","1","1") = "5"
    & skf21("2","3","3","6","5","3","2","1") = "5"
    & skf21("2","3","3","6","5","3","3","1") = "5"
    & skf21("2","3","3","6","5","3","4","1") = "5"
    & skf21("2","3","3","6","5","3","5","1") = "5"
    & skf21("2","3","3","6","5","3","6","1") = "5"
    & skf21("2","3","3","6","5","3","7","1") = "6"
    & skf21("2","3","3","6","5","4","1","1") = "5"
    & skf21("2","3","3","6","5","4","2","1") = "5"
    & skf21("2","3","3","6","5","4","3","1") = "5"
    & skf21("2","3","3","6","5","4","4","1") = "5"
    & skf21("2","3","3","6","5","4","5","1") = "5"
    & skf21("2","3","3","6","5","4","6","1") = "5"
    & skf21("2","3","3","6","5","4","7","1") = "6"
    & skf21("2","3","3","6","5","5","1","1") = "5"
    & skf21("2","3","3","6","5","5","2","1") = "5"
    & skf21("2","3","3","6","5","5","3","1") = "5"
    & skf21("2","3","3","6","5","5","4","1") = "5"
    & skf21("2","3","3","6","5","5","5","1") = "5"
    & skf21("2","3","3","6","5","5","6","1") = "5"
    & skf21("2","3","3","6","5","5","7","1") = "6"
    & skf21("2","3","3","6","5","6","1","1") = "5"
    & skf21("2","3","3","6","5","6","2","1") = "5"
    & skf21("2","3","3","6","5","6","3","1") = "5"
    & skf21("2","3","3","6","5","6","4","1") = "5"
    & skf21("2","3","3","6","5","6","5","1") = "5"
    & skf21("2","3","3","6","5","6","6","1") = "5"
    & skf21("2","3","3","6","5","6","7","1") = "6"
    & skf21("2","3","3","6","5","7","1","1") = "6"
    & skf21("2","3","3","6","5","7","2","1") = "6"
    & skf21("2","3","3","6","5","7","3","1") = "6"
    & skf21("2","3","3","6","5","7","4","1") = "6"
    & skf21("2","3","3","6","5","7","5","1") = "6"
    & skf21("2","3","3","6","5","7","6","1") = "6"
    & skf21("2","3","3","6","5","7","7","1") = "6"
    & skf21("2","3","3","6","6","1","1","1") = "5"
    & skf21("2","3","3","6","6","1","2","1") = "5"
    & skf21("2","3","3","6","6","1","3","1") = "5"
    & skf21("2","3","3","6","6","1","4","1") = "5"
    & skf21("2","3","3","6","6","1","5","1") = "5"
    & skf21("2","3","3","6","6","1","6","1") = "5"
    & skf21("2","3","3","6","6","1","7","1") = "6"
    & skf21("2","3","3","6","6","2","1","1") = "5"
    & skf21("2","3","3","6","6","2","2","1") = "5"
    & skf21("2","3","3","6","6","2","3","1") = "5"
    & skf21("2","3","3","6","6","2","4","1") = "5"
    & skf21("2","3","3","6","6","2","5","1") = "5"
    & skf21("2","3","3","6","6","2","6","1") = "5"
    & skf21("2","3","3","6","6","2","7","1") = "6"
    & skf21("2","3","3","6","6","3","1","1") = "5"
    & skf21("2","3","3","6","6","3","2","1") = "5"
    & skf21("2","3","3","6","6","3","3","1") = "5"
    & skf21("2","3","3","6","6","3","4","1") = "5"
    & skf21("2","3","3","6","6","3","5","1") = "5"
    & skf21("2","3","3","6","6","3","6","1") = "5"
    & skf21("2","3","3","6","6","3","7","1") = "6"
    & skf21("2","3","3","6","6","4","1","1") = "5"
    & skf21("2","3","3","6","6","4","2","1") = "5"
    & skf21("2","3","3","6","6","4","3","1") = "5"
    & skf21("2","3","3","6","6","4","4","1") = "5"
    & skf21("2","3","3","6","6","4","5","1") = "5"
    & skf21("2","3","3","6","6","4","6","1") = "5"
    & skf21("2","3","3","6","6","4","7","1") = "6"
    & skf21("2","3","3","6","6","5","1","1") = "5"
    & skf21("2","3","3","6","6","5","2","1") = "5"
    & skf21("2","3","3","6","6","5","3","1") = "5"
    & skf21("2","3","3","6","6","5","4","1") = "5"
    & skf21("2","3","3","6","6","5","5","1") = "5"
    & skf21("2","3","3","6","6","5","6","1") = "5"
    & skf21("2","3","3","6","6","5","7","1") = "6"
    & skf21("2","3","3","6","6","6","1","1") = "5"
    & skf21("2","3","3","6","6","6","2","1") = "5"
    & skf21("2","3","3","6","6","6","3","1") = "5"
    & skf21("2","3","3","6","6","6","4","1") = "5"
    & skf21("2","3","3","6","6","6","5","1") = "5"
    & skf21("2","3","3","6","6","6","6","1") = "5"
    & skf21("2","3","3","6","6","6","7","1") = "6"
    & skf21("2","3","3","6","6","7","1","1") = "6"
    & skf21("2","3","3","6","6","7","2","1") = "6"
    & skf21("2","3","3","6","6","7","3","1") = "6"
    & skf21("2","3","3","6","6","7","4","1") = "6"
    & skf21("2","3","3","6","6","7","5","1") = "6"
    & skf21("2","3","3","6","6","7","6","1") = "6"
    & skf21("2","3","3","6","6","7","7","1") = "6"
    & skf21("2","3","3","6","7","1","1","1") = "6"
    & skf21("2","3","3","6","7","1","2","1") = "6"
    & skf21("2","3","3","6","7","1","3","1") = "6"
    & skf21("2","3","3","6","7","1","4","1") = "6"
    & skf21("2","3","3","6","7","1","5","1") = "6"
    & skf21("2","3","3","6","7","1","6","1") = "6"
    & skf21("2","3","3","6","7","1","7","1") = "6"
    & skf21("2","3","3","6","7","2","1","1") = "6"
    & skf21("2","3","3","6","7","2","2","1") = "6"
    & skf21("2","3","3","6","7","2","3","1") = "6"
    & skf21("2","3","3","6","7","2","4","1") = "6"
    & skf21("2","3","3","6","7","2","5","1") = "6"
    & skf21("2","3","3","6","7","2","6","1") = "6"
    & skf21("2","3","3","6","7","2","7","1") = "6"
    & skf21("2","3","3","6","7","3","1","1") = "6"
    & skf21("2","3","3","6","7","3","2","1") = "6"
    & skf21("2","3","3","6","7","3","3","1") = "6"
    & skf21("2","3","3","6","7","3","4","1") = "6"
    & skf21("2","3","3","6","7","3","5","1") = "6"
    & skf21("2","3","3","6","7","3","6","1") = "6"
    & skf21("2","3","3","6","7","3","7","1") = "6"
    & skf21("2","3","3","6","7","4","1","1") = "6"
    & skf21("2","3","3","6","7","4","2","1") = "6"
    & skf21("2","3","3","6","7","4","3","1") = "6"
    & skf21("2","3","3","6","7","4","4","1") = "6"
    & skf21("2","3","3","6","7","4","5","1") = "6"
    & skf21("2","3","3","6","7","4","6","1") = "6"
    & skf21("2","3","3","6","7","4","7","1") = "6"
    & skf21("2","3","3","6","7","5","1","1") = "6"
    & skf21("2","3","3","6","7","5","2","1") = "6"
    & skf21("2","3","3","6","7","5","3","1") = "6"
    & skf21("2","3","3","6","7","5","4","1") = "6"
    & skf21("2","3","3","6","7","5","5","1") = "6"
    & skf21("2","3","3","6","7","5","6","1") = "6"
    & skf21("2","3","3","6","7","5","7","1") = "6"
    & skf21("2","3","3","6","7","6","1","1") = "6"
    & skf21("2","3","3","6","7","6","2","1") = "6"
    & skf21("2","3","3","6","7","6","3","1") = "6"
    & skf21("2","3","3","6","7","6","4","1") = "6"
    & skf21("2","3","3","6","7","6","5","1") = "6"
    & skf21("2","3","3","6","7","6","6","1") = "6"
    & skf21("2","3","3","6","7","6","7","1") = "6"
    & skf21("2","3","3","6","7","7","1","1") = "6"
    & skf21("2","3","3","6","7","7","2","1") = "6"
    & skf21("2","3","3","6","7","7","3","1") = "6"
    & skf21("2","3","3","6","7","7","4","1") = "6"
    & skf21("2","3","3","6","7","7","5","1") = "6"
    & skf21("2","3","3","6","7","7","6","1") = "6"
    & skf21("2","3","3","6","7","7","7","1") = "6"
    & skf21("2","3","3","7","1","1","1","1") = "6"
    & skf21("2","3","3","7","1","1","2","1") = "6"
    & skf21("2","3","3","7","1","1","3","1") = "6"
    & skf21("2","3","3","7","1","1","4","1") = "6"
    & skf21("2","3","3","7","1","1","5","1") = "6"
    & skf21("2","3","3","7","1","1","6","1") = "6"
    & skf21("2","3","3","7","1","1","7","1") = "6"
    & skf21("2","3","3","7","1","2","1","1") = "6"
    & skf21("2","3","3","7","1","2","2","1") = "6"
    & skf21("2","3","3","7","1","2","3","1") = "6"
    & skf21("2","3","3","7","1","2","4","1") = "6"
    & skf21("2","3","3","7","1","2","5","1") = "6"
    & skf21("2","3","3","7","1","2","6","1") = "6"
    & skf21("2","3","3","7","1","2","7","1") = "6"
    & skf21("2","3","3","7","1","3","1","1") = "6"
    & skf21("2","3","3","7","1","3","2","1") = "6"
    & skf21("2","3","3","7","1","3","3","1") = "6"
    & skf21("2","3","3","7","1","3","4","1") = "6"
    & skf21("2","3","3","7","1","3","5","1") = "6"
    & skf21("2","3","3","7","1","3","6","1") = "6"
    & skf21("2","3","3","7","1","3","7","1") = "6"
    & skf21("2","3","3","7","1","4","1","1") = "6"
    & skf21("2","3","3","7","1","4","2","1") = "6"
    & skf21("2","3","3","7","1","4","3","1") = "6"
    & skf21("2","3","3","7","1","4","4","1") = "6"
    & skf21("2","3","3","7","1","4","5","1") = "6"
    & skf21("2","3","3","7","1","4","6","1") = "6"
    & skf21("2","3","3","7","1","4","7","1") = "6"
    & skf21("2","3","3","7","1","5","1","1") = "6"
    & skf21("2","3","3","7","1","5","2","1") = "6"
    & skf21("2","3","3","7","1","5","3","1") = "6"
    & skf21("2","3","3","7","1","5","4","1") = "6"
    & skf21("2","3","3","7","1","5","5","1") = "6"
    & skf21("2","3","3","7","1","5","6","1") = "6"
    & skf21("2","3","3","7","1","5","7","1") = "6"
    & skf21("2","3","3","7","1","6","1","1") = "6"
    & skf21("2","3","3","7","1","6","2","1") = "6"
    & skf21("2","3","3","7","1","6","3","1") = "6"
    & skf21("2","3","3","7","1","6","4","1") = "6"
    & skf21("2","3","3","7","1","6","5","1") = "6"
    & skf21("2","3","3","7","1","6","6","1") = "6"
    & skf21("2","3","3","7","1","6","7","1") = "6"
    & skf21("2","3","3","7","1","7","1","1") = "6"
    & skf21("2","3","3","7","1","7","2","1") = "6"
    & skf21("2","3","3","7","1","7","3","1") = "6"
    & skf21("2","3","3","7","1","7","4","1") = "6"
    & skf21("2","3","3","7","1","7","5","1") = "6"
    & skf21("2","3","3","7","1","7","6","1") = "6"
    & skf21("2","3","3","7","1","7","7","1") = "6"
    & skf21("2","3","3","7","2","1","1","1") = "6"
    & skf21("2","3","3","7","2","1","2","1") = "6"
    & skf21("2","3","3","7","2","1","3","1") = "6"
    & skf21("2","3","3","7","2","1","4","1") = "6"
    & skf21("2","3","3","7","2","1","5","1") = "6"
    & skf21("2","3","3","7","2","1","6","1") = "6"
    & skf21("2","3","3","7","2","1","7","1") = "6"
    & skf21("2","3","3","7","2","2","1","1") = "6"
    & skf21("2","3","3","7","2","2","2","1") = "6"
    & skf21("2","3","3","7","2","2","3","1") = "6"
    & skf21("2","3","3","7","2","2","4","1") = "6"
    & skf21("2","3","3","7","2","2","5","1") = "6"
    & skf21("2","3","3","7","2","2","6","1") = "6"
    & skf21("2","3","3","7","2","2","7","1") = "6"
    & skf21("2","3","3","7","2","3","1","1") = "6"
    & skf21("2","3","3","7","2","3","2","1") = "6"
    & skf21("2","3","3","7","2","3","3","1") = "6"
    & skf21("2","3","3","7","2","3","4","1") = "6"
    & skf21("2","3","3","7","2","3","5","1") = "6"
    & skf21("2","3","3","7","2","3","6","1") = "6"
    & skf21("2","3","3","7","2","3","7","1") = "6"
    & skf21("2","3","3","7","2","4","1","1") = "6"
    & skf21("2","3","3","7","2","4","2","1") = "6"
    & skf21("2","3","3","7","2","4","3","1") = "6"
    & skf21("2","3","3","7","2","4","4","1") = "6"
    & skf21("2","3","3","7","2","4","5","1") = "6"
    & skf21("2","3","3","7","2","4","6","1") = "6"
    & skf21("2","3","3","7","2","4","7","1") = "6"
    & skf21("2","3","3","7","2","5","1","1") = "6"
    & skf21("2","3","3","7","2","5","2","1") = "6"
    & skf21("2","3","3","7","2","5","3","1") = "6"
    & skf21("2","3","3","7","2","5","4","1") = "6"
    & skf21("2","3","3","7","2","5","5","1") = "6"
    & skf21("2","3","3","7","2","5","6","1") = "6"
    & skf21("2","3","3","7","2","5","7","1") = "6"
    & skf21("2","3","3","7","2","6","1","1") = "6"
    & skf21("2","3","3","7","2","6","2","1") = "6"
    & skf21("2","3","3","7","2","6","3","1") = "6"
    & skf21("2","3","3","7","2","6","4","1") = "6"
    & skf21("2","3","3","7","2","6","5","1") = "6"
    & skf21("2","3","3","7","2","6","6","1") = "6"
    & skf21("2","3","3","7","2","6","7","1") = "6"
    & skf21("2","3","3","7","2","7","1","1") = "6"
    & skf21("2","3","3","7","2","7","2","1") = "6"
    & skf21("2","3","3","7","2","7","3","1") = "6"
    & skf21("2","3","3","7","2","7","4","1") = "6"
    & skf21("2","3","3","7","2","7","5","1") = "6"
    & skf21("2","3","3","7","2","7","6","1") = "6"
    & skf21("2","3","3","7","2","7","7","1") = "6"
    & skf21("2","3","3","7","3","1","1","1") = "6"
    & skf21("2","3","3","7","3","1","2","1") = "6"
    & skf21("2","3","3","7","3","1","3","1") = "6"
    & skf21("2","3","3","7","3","1","4","1") = "6"
    & skf21("2","3","3","7","3","1","5","1") = "6"
    & skf21("2","3","3","7","3","1","6","1") = "6"
    & skf21("2","3","3","7","3","1","7","1") = "6"
    & skf21("2","3","3","7","3","2","1","1") = "6"
    & skf21("2","3","3","7","3","2","2","1") = "6"
    & skf21("2","3","3","7","3","2","3","1") = "6"
    & skf21("2","3","3","7","3","2","4","1") = "6"
    & skf21("2","3","3","7","3","2","5","1") = "6"
    & skf21("2","3","3","7","3","2","6","1") = "6"
    & skf21("2","3","3","7","3","2","7","1") = "6"
    & skf21("2","3","3","7","3","3","1","1") = "6"
    & skf21("2","3","3","7","3","3","2","1") = "6"
    & skf21("2","3","3","7","3","3","3","1") = "6"
    & skf21("2","3","3","7","3","3","4","1") = "6"
    & skf21("2","3","3","7","3","3","5","1") = "6"
    & skf21("2","3","3","7","3","3","6","1") = "6"
    & skf21("2","3","3","7","3","3","7","1") = "6"
    & skf21("2","3","3","7","3","4","1","1") = "6"
    & skf21("2","3","3","7","3","4","2","1") = "6"
    & skf21("2","3","3","7","3","4","3","1") = "6"
    & skf21("2","3","3","7","3","4","4","1") = "6"
    & skf21("2","3","3","7","3","4","5","1") = "6"
    & skf21("2","3","3","7","3","4","6","1") = "6"
    & skf21("2","3","3","7","3","4","7","1") = "6"
    & skf21("2","3","3","7","3","5","1","1") = "6"
    & skf21("2","3","3","7","3","5","2","1") = "6"
    & skf21("2","3","3","7","3","5","3","1") = "6"
    & skf21("2","3","3","7","3","5","4","1") = "6"
    & skf21("2","3","3","7","3","5","5","1") = "6"
    & skf21("2","3","3","7","3","5","6","1") = "6"
    & skf21("2","3","3","7","3","5","7","1") = "6"
    & skf21("2","3","3","7","3","6","1","1") = "6"
    & skf21("2","3","3","7","3","6","2","1") = "6"
    & skf21("2","3","3","7","3","6","3","1") = "6"
    & skf21("2","3","3","7","3","6","4","1") = "6"
    & skf21("2","3","3","7","3","6","5","1") = "6"
    & skf21("2","3","3","7","3","6","6","1") = "6"
    & skf21("2","3","3","7","3","6","7","1") = "6"
    & skf21("2","3","3","7","3","7","1","1") = "6"
    & skf21("2","3","3","7","3","7","2","1") = "6"
    & skf21("2","3","3","7","3","7","3","1") = "6"
    & skf21("2","3","3","7","3","7","4","1") = "6"
    & skf21("2","3","3","7","3","7","5","1") = "6"
    & skf21("2","3","3","7","3","7","6","1") = "6"
    & skf21("2","3","3","7","3","7","7","1") = "6"
    & skf21("2","3","3","7","4","1","1","1") = "6"
    & skf21("2","3","3","7","4","1","2","1") = "6"
    & skf21("2","3","3","7","4","1","3","1") = "6"
    & skf21("2","3","3","7","4","1","4","1") = "6"
    & skf21("2","3","3","7","4","1","5","1") = "6"
    & skf21("2","3","3","7","4","1","6","1") = "6"
    & skf21("2","3","3","7","4","1","7","1") = "6"
    & skf21("2","3","3","7","4","2","1","1") = "6"
    & skf21("2","3","3","7","4","2","2","1") = "6"
    & skf21("2","3","3","7","4","2","3","1") = "6"
    & skf21("2","3","3","7","4","2","4","1") = "6"
    & skf21("2","3","3","7","4","2","5","1") = "6"
    & skf21("2","3","3","7","4","2","6","1") = "6"
    & skf21("2","3","3","7","4","2","7","1") = "6"
    & skf21("2","3","3","7","4","3","1","1") = "6"
    & skf21("2","3","3","7","4","3","2","1") = "6"
    & skf21("2","3","3","7","4","3","3","1") = "6"
    & skf21("2","3","3","7","4","3","4","1") = "6"
    & skf21("2","3","3","7","4","3","5","1") = "6"
    & skf21("2","3","3","7","4","3","6","1") = "6"
    & skf21("2","3","3","7","4","3","7","1") = "6"
    & skf21("2","3","3","7","4","4","1","1") = "6"
    & skf21("2","3","3","7","4","4","2","1") = "6"
    & skf21("2","3","3","7","4","4","3","1") = "6"
    & skf21("2","3","3","7","4","4","4","1") = "6"
    & skf21("2","3","3","7","4","4","5","1") = "6"
    & skf21("2","3","3","7","4","4","6","1") = "6"
    & skf21("2","3","3","7","4","4","7","1") = "6"
    & skf21("2","3","3","7","4","5","1","1") = "6"
    & skf21("2","3","3","7","4","5","2","1") = "6"
    & skf21("2","3","3","7","4","5","3","1") = "6"
    & skf21("2","3","3","7","4","5","4","1") = "6"
    & skf21("2","3","3","7","4","5","5","1") = "6"
    & skf21("2","3","3","7","4","5","6","1") = "6"
    & skf21("2","3","3","7","4","5","7","1") = "6"
    & skf21("2","3","3","7","4","6","1","1") = "6"
    & skf21("2","3","3","7","4","6","2","1") = "6"
    & skf21("2","3","3","7","4","6","3","1") = "6"
    & skf21("2","3","3","7","4","6","4","1") = "6"
    & skf21("2","3","3","7","4","6","5","1") = "6"
    & skf21("2","3","3","7","4","6","6","1") = "6"
    & skf21("2","3","3","7","4","6","7","1") = "6"
    & skf21("2","3","3","7","4","7","1","1") = "6"
    & skf21("2","3","3","7","4","7","2","1") = "6"
    & skf21("2","3","3","7","4","7","3","1") = "6"
    & skf21("2","3","3","7","4","7","4","1") = "6"
    & skf21("2","3","3","7","4","7","5","1") = "6"
    & skf21("2","3","3","7","4","7","6","1") = "6"
    & skf21("2","3","3","7","4","7","7","1") = "6"
    & skf21("2","3","3","7","5","1","1","1") = "6"
    & skf21("2","3","3","7","5","1","2","1") = "6"
    & skf21("2","3","3","7","5","1","3","1") = "6"
    & skf21("2","3","3","7","5","1","4","1") = "6"
    & skf21("2","3","3","7","5","1","5","1") = "6"
    & skf21("2","3","3","7","5","1","6","1") = "6"
    & skf21("2","3","3","7","5","1","7","1") = "6"
    & skf21("2","3","3","7","5","2","1","1") = "6"
    & skf21("2","3","3","7","5","2","2","1") = "6"
    & skf21("2","3","3","7","5","2","3","1") = "6"
    & skf21("2","3","3","7","5","2","4","1") = "6"
    & skf21("2","3","3","7","5","2","5","1") = "6"
    & skf21("2","3","3","7","5","2","6","1") = "6"
    & skf21("2","3","3","7","5","2","7","1") = "6"
    & skf21("2","3","3","7","5","3","1","1") = "6"
    & skf21("2","3","3","7","5","3","2","1") = "6"
    & skf21("2","3","3","7","5","3","3","1") = "6"
    & skf21("2","3","3","7","5","3","4","1") = "6"
    & skf21("2","3","3","7","5","3","5","1") = "6"
    & skf21("2","3","3","7","5","3","6","1") = "6"
    & skf21("2","3","3","7","5","3","7","1") = "6"
    & skf21("2","3","3","7","5","4","1","1") = "6"
    & skf21("2","3","3","7","5","4","2","1") = "6"
    & skf21("2","3","3","7","5","4","3","1") = "6"
    & skf21("2","3","3","7","5","4","4","1") = "6"
    & skf21("2","3","3","7","5","4","5","1") = "6"
    & skf21("2","3","3","7","5","4","6","1") = "6"
    & skf21("2","3","3","7","5","4","7","1") = "6"
    & skf21("2","3","3","7","5","5","1","1") = "6"
    & skf21("2","3","3","7","5","5","2","1") = "6"
    & skf21("2","3","3","7","5","5","3","1") = "6"
    & skf21("2","3","3","7","5","5","4","1") = "6"
    & skf21("2","3","3","7","5","5","5","1") = "6"
    & skf21("2","3","3","7","5","5","6","1") = "6"
    & skf21("2","3","3","7","5","5","7","1") = "6"
    & skf21("2","3","3","7","5","6","1","1") = "6"
    & skf21("2","3","3","7","5","6","2","1") = "6"
    & skf21("2","3","3","7","5","6","3","1") = "6"
    & skf21("2","3","3","7","5","6","4","1") = "6"
    & skf21("2","3","3","7","5","6","5","1") = "6"
    & skf21("2","3","3","7","5","6","6","1") = "6"
    & skf21("2","3","3","7","5","6","7","1") = "6"
    & skf21("2","3","3","7","5","7","1","1") = "6"
    & skf21("2","3","3","7","5","7","2","1") = "6"
    & skf21("2","3","3","7","5","7","3","1") = "6"
    & skf21("2","3","3","7","5","7","4","1") = "6"
    & skf21("2","3","3","7","5","7","5","1") = "6"
    & skf21("2","3","3","7","5","7","6","1") = "6"
    & skf21("2","3","3","7","5","7","7","1") = "6"
    & skf21("2","3","3","7","6","1","1","1") = "6"
    & skf21("2","3","3","7","6","1","2","1") = "6"
    & skf21("2","3","3","7","6","1","3","1") = "6"
    & skf21("2","3","3","7","6","1","4","1") = "6"
    & skf21("2","3","3","7","6","1","5","1") = "6"
    & skf21("2","3","3","7","6","1","6","1") = "6"
    & skf21("2","3","3","7","6","1","7","1") = "6"
    & skf21("2","3","3","7","6","2","1","1") = "6"
    & skf21("2","3","3","7","6","2","2","1") = "6"
    & skf21("2","3","3","7","6","2","3","1") = "6"
    & skf21("2","3","3","7","6","2","4","1") = "6"
    & skf21("2","3","3","7","6","2","5","1") = "6"
    & skf21("2","3","3","7","6","2","6","1") = "6"
    & skf21("2","3","3","7","6","2","7","1") = "6"
    & skf21("2","3","3","7","6","3","1","1") = "6"
    & skf21("2","3","3","7","6","3","2","1") = "6"
    & skf21("2","3","3","7","6","3","3","1") = "6"
    & skf21("2","3","3","7","6","3","4","1") = "6"
    & skf21("2","3","3","7","6","3","5","1") = "6"
    & skf21("2","3","3","7","6","3","6","1") = "6"
    & skf21("2","3","3","7","6","3","7","1") = "6"
    & skf21("2","3","3","7","6","4","1","1") = "6"
    & skf21("2","3","3","7","6","4","2","1") = "6"
    & skf21("2","3","3","7","6","4","3","1") = "6"
    & skf21("2","3","3","7","6","4","4","1") = "6"
    & skf21("2","3","3","7","6","4","5","1") = "6"
    & skf21("2","3","3","7","6","4","6","1") = "6"
    & skf21("2","3","3","7","6","4","7","1") = "6"
    & skf21("2","3","3","7","6","5","1","1") = "6"
    & skf21("2","3","3","7","6","5","2","1") = "6"
    & skf21("2","3","3","7","6","5","3","1") = "6"
    & skf21("2","3","3","7","6","5","4","1") = "6"
    & skf21("2","3","3","7","6","5","5","1") = "6"
    & skf21("2","3","3","7","6","5","6","1") = "6"
    & skf21("2","3","3","7","6","5","7","1") = "6"
    & skf21("2","3","3","7","6","6","1","1") = "6"
    & skf21("2","3","3","7","6","6","2","1") = "6"
    & skf21("2","3","3","7","6","6","3","1") = "6"
    & skf21("2","3","3","7","6","6","4","1") = "6"
    & skf21("2","3","3","7","6","6","5","1") = "6"
    & skf21("2","3","3","7","6","6","6","1") = "6"
    & skf21("2","3","3","7","6","6","7","1") = "6"
    & skf21("2","3","3","7","6","7","1","1") = "6"
    & skf21("2","3","3","7","6","7","2","1") = "6"
    & skf21("2","3","3","7","6","7","3","1") = "6"
    & skf21("2","3","3","7","6","7","4","1") = "6"
    & skf21("2","3","3","7","6","7","5","1") = "6"
    & skf21("2","3","3","7","6","7","6","1") = "6"
    & skf21("2","3","3","7","6","7","7","1") = "6"
    & skf21("2","3","3","7","7","1","1","1") = "6"
    & skf21("2","3","3","7","7","1","2","1") = "6"
    & skf21("2","3","3","7","7","1","3","1") = "6"
    & skf21("2","3","3","7","7","1","4","1") = "6"
    & skf21("2","3","3","7","7","1","5","1") = "6"
    & skf21("2","3","3","7","7","1","6","1") = "6"
    & skf21("2","3","3","7","7","1","7","1") = "6"
    & skf21("2","3","3","7","7","2","1","1") = "6"
    & skf21("2","3","3","7","7","2","2","1") = "6"
    & skf21("2","3","3","7","7","2","3","1") = "6"
    & skf21("2","3","3","7","7","2","4","1") = "6"
    & skf21("2","3","3","7","7","2","5","1") = "6"
    & skf21("2","3","3","7","7","2","6","1") = "6"
    & skf21("2","3","3","7","7","2","7","1") = "6"
    & skf21("2","3","3","7","7","3","1","1") = "6"
    & skf21("2","3","3","7","7","3","2","1") = "6"
    & skf21("2","3","3","7","7","3","3","1") = "6"
    & skf21("2","3","3","7","7","3","4","1") = "6"
    & skf21("2","3","3","7","7","3","5","1") = "6"
    & skf21("2","3","3","7","7","3","6","1") = "6"
    & skf21("2","3","3","7","7","3","7","1") = "6"
    & skf21("2","3","3","7","7","4","1","1") = "6"
    & skf21("2","3","3","7","7","4","2","1") = "6"
    & skf21("2","3","3","7","7","4","3","1") = "6"
    & skf21("2","3","3","7","7","4","4","1") = "6"
    & skf21("2","3","3","7","7","4","5","1") = "6"
    & skf21("2","3","3","7","7","4","6","1") = "6"
    & skf21("2","3","3","7","7","4","7","1") = "6"
    & skf21("2","3","3","7","7","5","1","1") = "6"
    & skf21("2","3","3","7","7","5","2","1") = "6"
    & skf21("2","3","3","7","7","5","3","1") = "6"
    & skf21("2","3","3","7","7","5","4","1") = "6"
    & skf21("2","3","3","7","7","5","5","1") = "6"
    & skf21("2","3","3","7","7","5","6","1") = "6"
    & skf21("2","3","3","7","7","5","7","1") = "6"
    & skf21("2","3","3","7","7","6","1","1") = "6"
    & skf21("2","3","3","7","7","6","2","1") = "6"
    & skf21("2","3","3","7","7","6","3","1") = "6"
    & skf21("2","3","3","7","7","6","4","1") = "6"
    & skf21("2","3","3","7","7","6","5","1") = "6"
    & skf21("2","3","3","7","7","6","6","1") = "6"
    & skf21("2","3","3","7","7","6","7","1") = "6"
    & skf21("2","3","3","7","7","7","1","1") = "6"
    & skf21("2","3","3","7","7","7","2","1") = "6"
    & skf21("2","3","3","7","7","7","3","1") = "6"
    & skf21("2","3","3","7","7","7","4","1") = "6"
    & skf21("2","3","3","7","7","7","5","1") = "6"
    & skf21("2","3","3","7","7","7","6","1") = "6"
    & skf21("2","3","3","7","7","7","7","1") = "6"
    & skf21("2","3","4","1","1","1","1","1") = "3"
    & skf21("2","3","4","1","1","1","2","1") = "3"
    & skf21("2","3","4","1","1","1","3","1") = "3"
    & skf21("2","3","4","1","1","1","4","1") = "3"
    & skf21("2","3","4","1","1","1","5","1") = "4"
    & skf21("2","3","4","1","1","1","6","1") = "5"
    & skf21("2","3","4","1","1","1","7","1") = "6"
    & skf21("2","3","4","1","1","2","1","1") = "3"
    & skf21("2","3","4","1","1","2","2","1") = "3"
    & skf21("2","3","4","1","1","2","3","1") = "3"
    & skf21("2","3","4","1","1","2","4","1") = "3"
    & skf21("2","3","4","1","1","2","5","1") = "4"
    & skf21("2","3","4","1","1","2","6","1") = "5"
    & skf21("2","3","4","1","1","2","7","1") = "6"
    & skf21("2","3","4","1","1","3","1","1") = "3"
    & skf21("2","3","4","1","1","3","2","1") = "3"
    & skf21("2","3","4","1","1","3","3","1") = "3"
    & skf21("2","3","4","1","1","3","4","1") = "3"
    & skf21("2","3","4","1","1","3","5","1") = "4"
    & skf21("2","3","4","1","1","3","6","1") = "5"
    & skf21("2","3","4","1","1","3","7","1") = "6"
    & skf21("2","3","4","1","1","4","1","1") = "3"
    & skf21("2","3","4","1","1","4","2","1") = "3"
    & skf21("2","3","4","1","1","4","3","1") = "3"
    & skf21("2","3","4","1","1","4","4","1") = "3"
    & skf21("2","3","4","1","1","4","5","1") = "4"
    & skf21("2","3","4","1","1","4","6","1") = "5"
    & skf21("2","3","4","1","1","4","7","1") = "6"
    & skf21("2","3","4","1","1","5","1","1") = "4"
    & skf21("2","3","4","1","1","5","2","1") = "4"
    & skf21("2","3","4","1","1","5","3","1") = "4"
    & skf21("2","3","4","1","1","5","4","1") = "4"
    & skf21("2","3","4","1","1","5","5","1") = "4"
    & skf21("2","3","4","1","1","5","6","1") = "5"
    & skf21("2","3","4","1","1","5","7","1") = "6"
    & skf21("2","3","4","1","1","6","1","1") = "5"
    & skf21("2","3","4","1","1","6","2","1") = "5"
    & skf21("2","3","4","1","1","6","3","1") = "5"
    & skf21("2","3","4","1","1","6","4","1") = "5"
    & skf21("2","3","4","1","1","6","5","1") = "5"
    & skf21("2","3","4","1","1","6","6","1") = "5"
    & skf21("2","3","4","1","1","6","7","1") = "6"
    & skf21("2","3","4","1","1","7","1","1") = "6"
    & skf21("2","3","4","1","1","7","2","1") = "6"
    & skf21("2","3","4","1","1","7","3","1") = "6"
    & skf21("2","3","4","1","1","7","4","1") = "6"
    & skf21("2","3","4","1","1","7","5","1") = "6"
    & skf21("2","3","4","1","1","7","6","1") = "6"
    & skf21("2","3","4","1","1","7","7","1") = "6"
    & skf21("2","3","4","1","2","1","1","1") = "3"
    & skf21("2","3","4","1","2","1","2","1") = "3"
    & skf21("2","3","4","1","2","1","3","1") = "3"
    & skf21("2","3","4","1","2","1","4","1") = "3"
    & skf21("2","3","4","1","2","1","5","1") = "4"
    & skf21("2","3","4","1","2","1","6","1") = "5"
    & skf21("2","3","4","1","2","1","7","1") = "6"
    & skf21("2","3","4","1","2","2","1","1") = "3"
    & skf21("2","3","4","1","2","2","2","1") = "3"
    & skf21("2","3","4","1","2","2","3","1") = "3"
    & skf21("2","3","4","1","2","2","4","1") = "3"
    & skf21("2","3","4","1","2","2","5","1") = "4"
    & skf21("2","3","4","1","2","2","6","1") = "5"
    & skf21("2","3","4","1","2","2","7","1") = "6"
    & skf21("2","3","4","1","2","3","1","1") = "3"
    & skf21("2","3","4","1","2","3","2","1") = "3"
    & skf21("2","3","4","1","2","3","3","1") = "3"
    & skf21("2","3","4","1","2","3","4","1") = "3"
    & skf21("2","3","4","1","2","3","5","1") = "4"
    & skf21("2","3","4","1","2","3","6","1") = "5"
    & skf21("2","3","4","1","2","3","7","1") = "6"
    & skf21("2","3","4","1","2","4","1","1") = "3"
    & skf21("2","3","4","1","2","4","2","1") = "3"
    & skf21("2","3","4","1","2","4","3","1") = "3"
    & skf21("2","3","4","1","2","4","4","1") = "3"
    & skf21("2","3","4","1","2","4","5","1") = "4"
    & skf21("2","3","4","1","2","4","6","1") = "5"
    & skf21("2","3","4","1","2","4","7","1") = "6"
    & skf21("2","3","4","1","2","5","1","1") = "4"
    & skf21("2","3","4","1","2","5","2","1") = "4"
    & skf21("2","3","4","1","2","5","3","1") = "4"
    & skf21("2","3","4","1","2","5","4","1") = "4"
    & skf21("2","3","4","1","2","5","5","1") = "4"
    & skf21("2","3","4","1","2","5","6","1") = "5"
    & skf21("2","3","4","1","2","5","7","1") = "6"
    & skf21("2","3","4","1","2","6","1","1") = "5"
    & skf21("2","3","4","1","2","6","2","1") = "5"
    & skf21("2","3","4","1","2","6","3","1") = "5"
    & skf21("2","3","4","1","2","6","4","1") = "5"
    & skf21("2","3","4","1","2","6","5","1") = "5"
    & skf21("2","3","4","1","2","6","6","1") = "5"
    & skf21("2","3","4","1","2","6","7","1") = "6"
    & skf21("2","3","4","1","2","7","1","1") = "6"
    & skf21("2","3","4","1","2","7","2","1") = "6"
    & skf21("2","3","4","1","2","7","3","1") = "6"
    & skf21("2","3","4","1","2","7","4","1") = "6"
    & skf21("2","3","4","1","2","7","5","1") = "6"
    & skf21("2","3","4","1","2","7","6","1") = "6"
    & skf21("2","3","4","1","2","7","7","1") = "6"
    & skf21("2","3","4","1","3","1","1","1") = "3"
    & skf21("2","3","4","1","3","1","2","1") = "3"
    & skf21("2","3","4","1","3","1","3","1") = "3"
    & skf21("2","3","4","1","3","1","4","1") = "3"
    & skf21("2","3","4","1","3","1","5","1") = "4"
    & skf21("2","3","4","1","3","1","6","1") = "5"
    & skf21("2","3","4","1","3","1","7","1") = "6"
    & skf21("2","3","4","1","3","2","1","1") = "3"
    & skf21("2","3","4","1","3","2","2","1") = "3"
    & skf21("2","3","4","1","3","2","3","1") = "3"
    & skf21("2","3","4","1","3","2","4","1") = "3"
    & skf21("2","3","4","1","3","2","5","1") = "4"
    & skf21("2","3","4","1","3","2","6","1") = "5"
    & skf21("2","3","4","1","3","2","7","1") = "6"
    & skf21("2","3","4","1","3","3","1","1") = "3"
    & skf21("2","3","4","1","3","3","2","1") = "3"
    & skf21("2","3","4","1","3","3","3","1") = "3"
    & skf21("2","3","4","1","3","3","4","1") = "3"
    & skf21("2","3","4","1","3","3","5","1") = "4"
    & skf21("2","3","4","1","3","3","6","1") = "5"
    & skf21("2","3","4","1","3","3","7","1") = "6"
    & skf21("2","3","4","1","3","4","1","1") = "3"
    & skf21("2","3","4","1","3","4","2","1") = "3"
    & skf21("2","3","4","1","3","4","3","1") = "3"
    & skf21("2","3","4","1","3","4","4","1") = "3"
    & skf21("2","3","4","1","3","4","5","1") = "4"
    & skf21("2","3","4","1","3","4","6","1") = "5"
    & skf21("2","3","4","1","3","4","7","1") = "6"
    & skf21("2","3","4","1","3","5","1","1") = "4"
    & skf21("2","3","4","1","3","5","2","1") = "4"
    & skf21("2","3","4","1","3","5","3","1") = "4"
    & skf21("2","3","4","1","3","5","4","1") = "4"
    & skf21("2","3","4","1","3","5","5","1") = "4"
    & skf21("2","3","4","1","3","5","6","1") = "5"
    & skf21("2","3","4","1","3","5","7","1") = "6"
    & skf21("2","3","4","1","3","6","1","1") = "5"
    & skf21("2","3","4","1","3","6","2","1") = "5"
    & skf21("2","3","4","1","3","6","3","1") = "5"
    & skf21("2","3","4","1","3","6","4","1") = "5"
    & skf21("2","3","4","1","3","6","5","1") = "5"
    & skf21("2","3","4","1","3","6","6","1") = "5"
    & skf21("2","3","4","1","3","6","7","1") = "6"
    & skf21("2","3","4","1","3","7","1","1") = "6"
    & skf21("2","3","4","1","3","7","2","1") = "6"
    & skf21("2","3","4","1","3","7","3","1") = "6"
    & skf21("2","3","4","1","3","7","4","1") = "6"
    & skf21("2","3","4","1","3","7","5","1") = "6"
    & skf21("2","3","4","1","3","7","6","1") = "6"
    & skf21("2","3","4","1","3","7","7","1") = "6"
    & skf21("2","3","4","1","4","1","1","1") = "3"
    & skf21("2","3","4","1","4","1","2","1") = "3"
    & skf21("2","3","4","1","4","1","3","1") = "3"
    & skf21("2","3","4","1","4","1","4","1") = "3"
    & skf21("2","3","4","1","4","1","5","1") = "4"
    & skf21("2","3","4","1","4","1","6","1") = "5"
    & skf21("2","3","4","1","4","1","7","1") = "6"
    & skf21("2","3","4","1","4","2","1","1") = "3"
    & skf21("2","3","4","1","4","2","2","1") = "3"
    & skf21("2","3","4","1","4","2","3","1") = "3"
    & skf21("2","3","4","1","4","2","4","1") = "3"
    & skf21("2","3","4","1","4","2","5","1") = "4"
    & skf21("2","3","4","1","4","2","6","1") = "5"
    & skf21("2","3","4","1","4","2","7","1") = "6"
    & skf21("2","3","4","1","4","3","1","1") = "3"
    & skf21("2","3","4","1","4","3","2","1") = "3"
    & skf21("2","3","4","1","4","3","3","1") = "3"
    & skf21("2","3","4","1","4","3","4","1") = "3"
    & skf21("2","3","4","1","4","3","5","1") = "4"
    & skf21("2","3","4","1","4","3","6","1") = "5"
    & skf21("2","3","4","1","4","3","7","1") = "6"
    & skf21("2","3","4","1","4","4","1","1") = "3"
    & skf21("2","3","4","1","4","4","2","1") = "3"
    & skf21("2","3","4","1","4","4","3","1") = "3"
    & skf21("2","3","4","1","4","4","4","1") = "3"
    & skf21("2","3","4","1","4","4","5","1") = "4"
    & skf21("2","3","4","1","4","4","6","1") = "5"
    & skf21("2","3","4","1","4","4","7","1") = "6"
    & skf21("2","3","4","1","4","5","1","1") = "4"
    & skf21("2","3","4","1","4","5","2","1") = "4"
    & skf21("2","3","4","1","4","5","3","1") = "4"
    & skf21("2","3","4","1","4","5","4","1") = "4"
    & skf21("2","3","4","1","4","5","5","1") = "4"
    & skf21("2","3","4","1","4","5","6","1") = "5"
    & skf21("2","3","4","1","4","5","7","1") = "6"
    & skf21("2","3","4","1","4","6","1","1") = "5"
    & skf21("2","3","4","1","4","6","2","1") = "5"
    & skf21("2","3","4","1","4","6","3","1") = "5"
    & skf21("2","3","4","1","4","6","4","1") = "5"
    & skf21("2","3","4","1","4","6","5","1") = "5"
    & skf21("2","3","4","1","4","6","6","1") = "5"
    & skf21("2","3","4","1","4","6","7","1") = "6"
    & skf21("2","3","4","1","4","7","1","1") = "6"
    & skf21("2","3","4","1","4","7","2","1") = "6"
    & skf21("2","3","4","1","4","7","3","1") = "6"
    & skf21("2","3","4","1","4","7","4","1") = "6"
    & skf21("2","3","4","1","4","7","5","1") = "6"
    & skf21("2","3","4","1","4","7","6","1") = "6"
    & skf21("2","3","4","1","4","7","7","1") = "6"
    & skf21("2","3","4","1","5","1","1","1") = "4"
    & skf21("2","3","4","1","5","1","2","1") = "4"
    & skf21("2","3","4","1","5","1","3","1") = "4"
    & skf21("2","3","4","1","5","1","4","1") = "4"
    & skf21("2","3","4","1","5","1","5","1") = "4"
    & skf21("2","3","4","1","5","1","6","1") = "5"
    & skf21("2","3","4","1","5","1","7","1") = "6"
    & skf21("2","3","4","1","5","2","1","1") = "4"
    & skf21("2","3","4","1","5","2","2","1") = "4"
    & skf21("2","3","4","1","5","2","3","1") = "4"
    & skf21("2","3","4","1","5","2","4","1") = "4"
    & skf21("2","3","4","1","5","2","5","1") = "4"
    & skf21("2","3","4","1","5","2","6","1") = "5"
    & skf21("2","3","4","1","5","2","7","1") = "6"
    & skf21("2","3","4","1","5","3","1","1") = "4"
    & skf21("2","3","4","1","5","3","2","1") = "4"
    & skf21("2","3","4","1","5","3","3","1") = "4"
    & skf21("2","3","4","1","5","3","4","1") = "4"
    & skf21("2","3","4","1","5","3","5","1") = "4"
    & skf21("2","3","4","1","5","3","6","1") = "5"
    & skf21("2","3","4","1","5","3","7","1") = "6"
    & skf21("2","3","4","1","5","4","1","1") = "4"
    & skf21("2","3","4","1","5","4","2","1") = "4"
    & skf21("2","3","4","1","5","4","3","1") = "4"
    & skf21("2","3","4","1","5","4","4","1") = "4"
    & skf21("2","3","4","1","5","4","5","1") = "4"
    & skf21("2","3","4","1","5","4","6","1") = "5"
    & skf21("2","3","4","1","5","4","7","1") = "6"
    & skf21("2","3","4","1","5","5","1","1") = "4"
    & skf21("2","3","4","1","5","5","2","1") = "4"
    & skf21("2","3","4","1","5","5","3","1") = "4"
    & skf21("2","3","4","1","5","5","4","1") = "4"
    & skf21("2","3","4","1","5","5","5","1") = "4"
    & skf21("2","3","4","1","5","5","6","1") = "5"
    & skf21("2","3","4","1","5","5","7","1") = "6"
    & skf21("2","3","4","1","5","6","1","1") = "5"
    & skf21("2","3","4","1","5","6","2","1") = "5"
    & skf21("2","3","4","1","5","6","3","1") = "5"
    & skf21("2","3","4","1","5","6","4","1") = "5"
    & skf21("2","3","4","1","5","6","5","1") = "5"
    & skf21("2","3","4","1","5","6","6","1") = "5"
    & skf21("2","3","4","1","5","6","7","1") = "6"
    & skf21("2","3","4","1","5","7","1","1") = "6"
    & skf21("2","3","4","1","5","7","2","1") = "6"
    & skf21("2","3","4","1","5","7","3","1") = "6"
    & skf21("2","3","4","1","5","7","4","1") = "6"
    & skf21("2","3","4","1","5","7","5","1") = "6"
    & skf21("2","3","4","1","5","7","6","1") = "6"
    & skf21("2","3","4","1","5","7","7","1") = "6"
    & skf21("2","3","4","1","6","1","1","1") = "5"
    & skf21("2","3","4","1","6","1","2","1") = "5"
    & skf21("2","3","4","1","6","1","3","1") = "5"
    & skf21("2","3","4","1","6","1","4","1") = "5"
    & skf21("2","3","4","1","6","1","5","1") = "5"
    & skf21("2","3","4","1","6","1","6","1") = "5"
    & skf21("2","3","4","1","6","1","7","1") = "6"
    & skf21("2","3","4","1","6","2","1","1") = "5"
    & skf21("2","3","4","1","6","2","2","1") = "5"
    & skf21("2","3","4","1","6","2","3","1") = "5"
    & skf21("2","3","4","1","6","2","4","1") = "5"
    & skf21("2","3","4","1","6","2","5","1") = "5"
    & skf21("2","3","4","1","6","2","6","1") = "5"
    & skf21("2","3","4","1","6","2","7","1") = "6"
    & skf21("2","3","4","1","6","3","1","1") = "5"
    & skf21("2","3","4","1","6","3","2","1") = "5"
    & skf21("2","3","4","1","6","3","3","1") = "5"
    & skf21("2","3","4","1","6","3","4","1") = "5"
    & skf21("2","3","4","1","6","3","5","1") = "5"
    & skf21("2","3","4","1","6","3","6","1") = "5"
    & skf21("2","3","4","1","6","3","7","1") = "6"
    & skf21("2","3","4","1","6","4","1","1") = "5"
    & skf21("2","3","4","1","6","4","2","1") = "5"
    & skf21("2","3","4","1","6","4","3","1") = "5"
    & skf21("2","3","4","1","6","4","4","1") = "5"
    & skf21("2","3","4","1","6","4","5","1") = "5"
    & skf21("2","3","4","1","6","4","6","1") = "5"
    & skf21("2","3","4","1","6","4","7","1") = "6"
    & skf21("2","3","4","1","6","5","1","1") = "5"
    & skf21("2","3","4","1","6","5","2","1") = "5"
    & skf21("2","3","4","1","6","5","3","1") = "5"
    & skf21("2","3","4","1","6","5","4","1") = "5"
    & skf21("2","3","4","1","6","5","5","1") = "5"
    & skf21("2","3","4","1","6","5","6","1") = "5"
    & skf21("2","3","4","1","6","5","7","1") = "6"
    & skf21("2","3","4","1","6","6","1","1") = "5"
    & skf21("2","3","4","1","6","6","2","1") = "5"
    & skf21("2","3","4","1","6","6","3","1") = "5"
    & skf21("2","3","4","1","6","6","4","1") = "5"
    & skf21("2","3","4","1","6","6","5","1") = "5"
    & skf21("2","3","4","1","6","6","6","1") = "5"
    & skf21("2","3","4","1","6","6","7","1") = "6"
    & skf21("2","3","4","1","6","7","1","1") = "6"
    & skf21("2","3","4","1","6","7","2","1") = "6"
    & skf21("2","3","4","1","6","7","3","1") = "6"
    & skf21("2","3","4","1","6","7","4","1") = "6"
    & skf21("2","3","4","1","6","7","5","1") = "6"
    & skf21("2","3","4","1","6","7","6","1") = "6"
    & skf21("2","3","4","1","6","7","7","1") = "6"
    & skf21("2","3","4","1","7","1","1","1") = "6"
    & skf21("2","3","4","1","7","1","2","1") = "6"
    & skf21("2","3","4","1","7","1","3","1") = "6"
    & skf21("2","3","4","1","7","1","4","1") = "6"
    & skf21("2","3","4","1","7","1","5","1") = "6"
    & skf21("2","3","4","1","7","1","6","1") = "6"
    & skf21("2","3","4","1","7","1","7","1") = "6"
    & skf21("2","3","4","1","7","2","1","1") = "6"
    & skf21("2","3","4","1","7","2","2","1") = "6"
    & skf21("2","3","4","1","7","2","3","1") = "6"
    & skf21("2","3","4","1","7","2","4","1") = "6"
    & skf21("2","3","4","1","7","2","5","1") = "6"
    & skf21("2","3","4","1","7","2","6","1") = "6"
    & skf21("2","3","4","1","7","2","7","1") = "6"
    & skf21("2","3","4","1","7","3","1","1") = "6"
    & skf21("2","3","4","1","7","3","2","1") = "6"
    & skf21("2","3","4","1","7","3","3","1") = "6"
    & skf21("2","3","4","1","7","3","4","1") = "6"
    & skf21("2","3","4","1","7","3","5","1") = "6"
    & skf21("2","3","4","1","7","3","6","1") = "6"
    & skf21("2","3","4","1","7","3","7","1") = "6"
    & skf21("2","3","4","1","7","4","1","1") = "6"
    & skf21("2","3","4","1","7","4","2","1") = "6"
    & skf21("2","3","4","1","7","4","3","1") = "6"
    & skf21("2","3","4","1","7","4","4","1") = "6"
    & skf21("2","3","4","1","7","4","5","1") = "6"
    & skf21("2","3","4","1","7","4","6","1") = "6"
    & skf21("2","3","4","1","7","4","7","1") = "6"
    & skf21("2","3","4","1","7","5","1","1") = "6"
    & skf21("2","3","4","1","7","5","2","1") = "6"
    & skf21("2","3","4","1","7","5","3","1") = "6"
    & skf21("2","3","4","1","7","5","4","1") = "6"
    & skf21("2","3","4","1","7","5","5","1") = "6"
    & skf21("2","3","4","1","7","5","6","1") = "6"
    & skf21("2","3","4","1","7","5","7","1") = "6"
    & skf21("2","3","4","1","7","6","1","1") = "6"
    & skf21("2","3","4","1","7","6","2","1") = "6"
    & skf21("2","3","4","1","7","6","3","1") = "6"
    & skf21("2","3","4","1","7","6","4","1") = "6"
    & skf21("2","3","4","1","7","6","5","1") = "6"
    & skf21("2","3","4","1","7","6","6","1") = "6"
    & skf21("2","3","4","1","7","6","7","1") = "6"
    & skf21("2","3","4","1","7","7","1","1") = "6"
    & skf21("2","3","4","1","7","7","2","1") = "6"
    & skf21("2","3","4","1","7","7","3","1") = "6"
    & skf21("2","3","4","1","7","7","4","1") = "6"
    & skf21("2","3","4","1","7","7","5","1") = "6"
    & skf21("2","3","4","1","7","7","6","1") = "6"
    & skf21("2","3","4","1","7","7","7","1") = "6"
    & skf21("2","3","4","2","1","1","1","1") = "3"
    & skf21("2","3","4","2","1","1","2","1") = "3"
    & skf21("2","3","4","2","1","1","3","1") = "3"
    & skf21("2","3","4","2","1","1","4","1") = "3"
    & skf21("2","3","4","2","1","1","5","1") = "4"
    & skf21("2","3","4","2","1","1","6","1") = "5"
    & skf21("2","3","4","2","1","1","7","1") = "6"
    & skf21("2","3","4","2","1","2","1","1") = "3"
    & skf21("2","3","4","2","1","2","2","1") = "3"
    & skf21("2","3","4","2","1","2","3","1") = "3"
    & skf21("2","3","4","2","1","2","4","1") = "3"
    & skf21("2","3","4","2","1","2","5","1") = "4"
    & skf21("2","3","4","2","1","2","6","1") = "5"
    & skf21("2","3","4","2","1","2","7","1") = "6"
    & skf21("2","3","4","2","1","3","1","1") = "3"
    & skf21("2","3","4","2","1","3","2","1") = "3"
    & skf21("2","3","4","2","1","3","3","1") = "3"
    & skf21("2","3","4","2","1","3","4","1") = "3"
    & skf21("2","3","4","2","1","3","5","1") = "4"
    & skf21("2","3","4","2","1","3","6","1") = "5"
    & skf21("2","3","4","2","1","3","7","1") = "6"
    & skf21("2","3","4","2","1","4","1","1") = "3"
    & skf21("2","3","4","2","1","4","2","1") = "3"
    & skf21("2","3","4","2","1","4","3","1") = "3"
    & skf21("2","3","4","2","1","4","4","1") = "3"
    & skf21("2","3","4","2","1","4","5","1") = "4"
    & skf21("2","3","4","2","1","4","6","1") = "5"
    & skf21("2","3","4","2","1","4","7","1") = "6"
    & skf21("2","3","4","2","1","5","1","1") = "4"
    & skf21("2","3","4","2","1","5","2","1") = "4"
    & skf21("2","3","4","2","1","5","3","1") = "4"
    & skf21("2","3","4","2","1","5","4","1") = "4"
    & skf21("2","3","4","2","1","5","5","1") = "4"
    & skf21("2","3","4","2","1","5","6","1") = "5"
    & skf21("2","3","4","2","1","5","7","1") = "6"
    & skf21("2","3","4","2","1","6","1","1") = "5"
    & skf21("2","3","4","2","1","6","2","1") = "5"
    & skf21("2","3","4","2","1","6","3","1") = "5"
    & skf21("2","3","4","2","1","6","4","1") = "5"
    & skf21("2","3","4","2","1","6","5","1") = "5"
    & skf21("2","3","4","2","1","6","6","1") = "5"
    & skf21("2","3","4","2","1","6","7","1") = "6"
    & skf21("2","3","4","2","1","7","1","1") = "6"
    & skf21("2","3","4","2","1","7","2","1") = "6"
    & skf21("2","3","4","2","1","7","3","1") = "6"
    & skf21("2","3","4","2","1","7","4","1") = "6"
    & skf21("2","3","4","2","1","7","5","1") = "6"
    & skf21("2","3","4","2","1","7","6","1") = "6"
    & skf21("2","3","4","2","1","7","7","1") = "6"
    & skf21("2","3","4","2","2","1","1","1") = "3"
    & skf21("2","3","4","2","2","1","2","1") = "3"
    & skf21("2","3","4","2","2","1","3","1") = "3"
    & skf21("2","3","4","2","2","1","4","1") = "3"
    & skf21("2","3","4","2","2","1","5","1") = "4"
    & skf21("2","3","4","2","2","1","6","1") = "5"
    & skf21("2","3","4","2","2","1","7","1") = "6"
    & skf21("2","3","4","2","2","2","1","1") = "3"
    & skf21("2","3","4","2","2","2","2","1") = "3"
    & skf21("2","3","4","2","2","2","3","1") = "3"
    & skf21("2","3","4","2","2","2","4","1") = "3"
    & skf21("2","3","4","2","2","2","5","1") = "4"
    & skf21("2","3","4","2","2","2","6","1") = "5"
    & skf21("2","3","4","2","2","2","7","1") = "6"
    & skf21("2","3","4","2","2","3","1","1") = "3"
    & skf21("2","3","4","2","2","3","2","1") = "3"
    & skf21("2","3","4","2","2","3","3","1") = "3"
    & skf21("2","3","4","2","2","3","4","1") = "3"
    & skf21("2","3","4","2","2","3","5","1") = "4"
    & skf21("2","3","4","2","2","3","6","1") = "5"
    & skf21("2","3","4","2","2","3","7","1") = "6"
    & skf21("2","3","4","2","2","4","1","1") = "3"
    & skf21("2","3","4","2","2","4","2","1") = "3"
    & skf21("2","3","4","2","2","4","3","1") = "3"
    & skf21("2","3","4","2","2","4","4","1") = "3"
    & skf21("2","3","4","2","2","4","5","1") = "4"
    & skf21("2","3","4","2","2","4","6","1") = "5"
    & skf21("2","3","4","2","2","4","7","1") = "6"
    & skf21("2","3","4","2","2","5","1","1") = "4"
    & skf21("2","3","4","2","2","5","2","1") = "4"
    & skf21("2","3","4","2","2","5","3","1") = "4"
    & skf21("2","3","4","2","2","5","4","1") = "4"
    & skf21("2","3","4","2","2","5","5","1") = "4"
    & skf21("2","3","4","2","2","5","6","1") = "5"
    & skf21("2","3","4","2","2","5","7","1") = "6"
    & skf21("2","3","4","2","2","6","1","1") = "5"
    & skf21("2","3","4","2","2","6","2","1") = "5"
    & skf21("2","3","4","2","2","6","3","1") = "5"
    & skf21("2","3","4","2","2","6","4","1") = "5"
    & skf21("2","3","4","2","2","6","5","1") = "5"
    & skf21("2","3","4","2","2","6","6","1") = "5"
    & skf21("2","3","4","2","2","6","7","1") = "6"
    & skf21("2","3","4","2","2","7","1","1") = "6"
    & skf21("2","3","4","2","2","7","2","1") = "6"
    & skf21("2","3","4","2","2","7","3","1") = "6"
    & skf21("2","3","4","2","2","7","4","1") = "6"
    & skf21("2","3","4","2","2","7","5","1") = "6"
    & skf21("2","3","4","2","2","7","6","1") = "6"
    & skf21("2","3","4","2","2","7","7","1") = "6"
    & skf21("2","3","4","2","3","1","1","1") = "3"
    & skf21("2","3","4","2","3","1","2","1") = "3"
    & skf21("2","3","4","2","3","1","3","1") = "3"
    & skf21("2","3","4","2","3","1","4","1") = "3"
    & skf21("2","3","4","2","3","1","5","1") = "4"
    & skf21("2","3","4","2","3","1","6","1") = "5"
    & skf21("2","3","4","2","3","1","7","1") = "6"
    & skf21("2","3","4","2","3","2","1","1") = "3"
    & skf21("2","3","4","2","3","2","2","1") = "3"
    & skf21("2","3","4","2","3","2","3","1") = "3"
    & skf21("2","3","4","2","3","2","4","1") = "3"
    & skf21("2","3","4","2","3","2","5","1") = "4"
    & skf21("2","3","4","2","3","2","6","1") = "5"
    & skf21("2","3","4","2","3","2","7","1") = "6"
    & skf21("2","3","4","2","3","3","1","1") = "3"
    & skf21("2","3","4","2","3","3","2","1") = "3"
    & skf21("2","3","4","2","3","3","3","1") = "3"
    & skf21("2","3","4","2","3","3","4","1") = "3"
    & skf21("2","3","4","2","3","3","5","1") = "4"
    & skf21("2","3","4","2","3","3","6","1") = "5"
    & skf21("2","3","4","2","3","3","7","1") = "6"
    & skf21("2","3","4","2","3","4","1","1") = "3"
    & skf21("2","3","4","2","3","4","2","1") = "3"
    & skf21("2","3","4","2","3","4","3","1") = "3"
    & skf21("2","3","4","2","3","4","4","1") = "3"
    & skf21("2","3","4","2","3","4","5","1") = "4"
    & skf21("2","3","4","2","3","4","6","1") = "5"
    & skf21("2","3","4","2","3","4","7","1") = "6"
    & skf21("2","3","4","2","3","5","1","1") = "4"
    & skf21("2","3","4","2","3","5","2","1") = "4"
    & skf21("2","3","4","2","3","5","3","1") = "4"
    & skf21("2","3","4","2","3","5","4","1") = "4"
    & skf21("2","3","4","2","3","5","5","1") = "4"
    & skf21("2","3","4","2","3","5","6","1") = "5"
    & skf21("2","3","4","2","3","5","7","1") = "6"
    & skf21("2","3","4","2","3","6","1","1") = "5"
    & skf21("2","3","4","2","3","6","2","1") = "5"
    & skf21("2","3","4","2","3","6","3","1") = "5"
    & skf21("2","3","4","2","3","6","4","1") = "5"
    & skf21("2","3","4","2","3","6","5","1") = "5"
    & skf21("2","3","4","2","3","6","6","1") = "5"
    & skf21("2","3","4","2","3","6","7","1") = "6"
    & skf21("2","3","4","2","3","7","1","1") = "6"
    & skf21("2","3","4","2","3","7","2","1") = "6"
    & skf21("2","3","4","2","3","7","3","1") = "6"
    & skf21("2","3","4","2","3","7","4","1") = "6"
    & skf21("2","3","4","2","3","7","5","1") = "6"
    & skf21("2","3","4","2","3","7","6","1") = "6"
    & skf21("2","3","4","2","3","7","7","1") = "6"
    & skf21("2","3","4","2","4","1","1","1") = "3"
    & skf21("2","3","4","2","4","1","2","1") = "3"
    & skf21("2","3","4","2","4","1","3","1") = "3"
    & skf21("2","3","4","2","4","1","4","1") = "3"
    & skf21("2","3","4","2","4","1","5","1") = "4"
    & skf21("2","3","4","2","4","1","6","1") = "5"
    & skf21("2","3","4","2","4","1","7","1") = "6"
    & skf21("2","3","4","2","4","2","1","1") = "3"
    & skf21("2","3","4","2","4","2","2","1") = "3"
    & skf21("2","3","4","2","4","2","3","1") = "3"
    & skf21("2","3","4","2","4","2","4","1") = "3"
    & skf21("2","3","4","2","4","2","5","1") = "4"
    & skf21("2","3","4","2","4","2","6","1") = "5"
    & skf21("2","3","4","2","4","2","7","1") = "6"
    & skf21("2","3","4","2","4","3","1","1") = "3"
    & skf21("2","3","4","2","4","3","2","1") = "3"
    & skf21("2","3","4","2","4","3","3","1") = "3"
    & skf21("2","3","4","2","4","3","4","1") = "3"
    & skf21("2","3","4","2","4","3","5","1") = "4"
    & skf21("2","3","4","2","4","3","6","1") = "5"
    & skf21("2","3","4","2","4","3","7","1") = "6"
    & skf21("2","3","4","2","4","4","1","1") = "3"
    & skf21("2","3","4","2","4","4","2","1") = "3"
    & skf21("2","3","4","2","4","4","3","1") = "3"
    & skf21("2","3","4","2","4","4","4","1") = "3"
    & skf21("2","3","4","2","4","4","5","1") = "4"
    & skf21("2","3","4","2","4","4","6","1") = "5"
    & skf21("2","3","4","2","4","4","7","1") = "6"
    & skf21("2","3","4","2","4","5","1","1") = "4"
    & skf21("2","3","4","2","4","5","2","1") = "4"
    & skf21("2","3","4","2","4","5","3","1") = "4"
    & skf21("2","3","4","2","4","5","4","1") = "4"
    & skf21("2","3","4","2","4","5","5","1") = "4"
    & skf21("2","3","4","2","4","5","6","1") = "5"
    & skf21("2","3","4","2","4","5","7","1") = "6"
    & skf21("2","3","4","2","4","6","1","1") = "5"
    & skf21("2","3","4","2","4","6","2","1") = "5"
    & skf21("2","3","4","2","4","6","3","1") = "5"
    & skf21("2","3","4","2","4","6","4","1") = "5"
    & skf21("2","3","4","2","4","6","5","1") = "5"
    & skf21("2","3","4","2","4","6","6","1") = "5"
    & skf21("2","3","4","2","4","6","7","1") = "6"
    & skf21("2","3","4","2","4","7","1","1") = "6"
    & skf21("2","3","4","2","4","7","2","1") = "6"
    & skf21("2","3","4","2","4","7","3","1") = "6"
    & skf21("2","3","4","2","4","7","4","1") = "6"
    & skf21("2","3","4","2","4","7","5","1") = "6"
    & skf21("2","3","4","2","4","7","6","1") = "6"
    & skf21("2","3","4","2","4","7","7","1") = "6"
    & skf21("2","3","4","2","5","1","1","1") = "4"
    & skf21("2","3","4","2","5","1","2","1") = "4"
    & skf21("2","3","4","2","5","1","3","1") = "4"
    & skf21("2","3","4","2","5","1","4","1") = "4"
    & skf21("2","3","4","2","5","1","5","1") = "4"
    & skf21("2","3","4","2","5","1","6","1") = "5"
    & skf21("2","3","4","2","5","1","7","1") = "6"
    & skf21("2","3","4","2","5","2","1","1") = "4"
    & skf21("2","3","4","2","5","2","2","1") = "4"
    & skf21("2","3","4","2","5","2","3","1") = "4"
    & skf21("2","3","4","2","5","2","4","1") = "4"
    & skf21("2","3","4","2","5","2","5","1") = "4"
    & skf21("2","3","4","2","5","2","6","1") = "5"
    & skf21("2","3","4","2","5","2","7","1") = "6"
    & skf21("2","3","4","2","5","3","1","1") = "4"
    & skf21("2","3","4","2","5","3","2","1") = "4"
    & skf21("2","3","4","2","5","3","3","1") = "4"
    & skf21("2","3","4","2","5","3","4","1") = "4"
    & skf21("2","3","4","2","5","3","5","1") = "4"
    & skf21("2","3","4","2","5","3","6","1") = "5"
    & skf21("2","3","4","2","5","3","7","1") = "6"
    & skf21("2","3","4","2","5","4","1","1") = "4"
    & skf21("2","3","4","2","5","4","2","1") = "4"
    & skf21("2","3","4","2","5","4","3","1") = "4"
    & skf21("2","3","4","2","5","4","4","1") = "4"
    & skf21("2","3","4","2","5","4","5","1") = "4"
    & skf21("2","3","4","2","5","4","6","1") = "5"
    & skf21("2","3","4","2","5","4","7","1") = "6"
    & skf21("2","3","4","2","5","5","1","1") = "4"
    & skf21("2","3","4","2","5","5","2","1") = "4"
    & skf21("2","3","4","2","5","5","3","1") = "4"
    & skf21("2","3","4","2","5","5","4","1") = "4"
    & skf21("2","3","4","2","5","5","5","1") = "4"
    & skf21("2","3","4","2","5","5","6","1") = "5"
    & skf21("2","3","4","2","5","5","7","1") = "6"
    & skf21("2","3","4","2","5","6","1","1") = "5"
    & skf21("2","3","4","2","5","6","2","1") = "5"
    & skf21("2","3","4","2","5","6","3","1") = "5"
    & skf21("2","3","4","2","5","6","4","1") = "5"
    & skf21("2","3","4","2","5","6","5","1") = "5"
    & skf21("2","3","4","2","5","6","6","1") = "5"
    & skf21("2","3","4","2","5","6","7","1") = "6"
    & skf21("2","3","4","2","5","7","1","1") = "6"
    & skf21("2","3","4","2","5","7","2","1") = "6"
    & skf21("2","3","4","2","5","7","3","1") = "6"
    & skf21("2","3","4","2","5","7","4","1") = "6"
    & skf21("2","3","4","2","5","7","5","1") = "6"
    & skf21("2","3","4","2","5","7","6","1") = "6"
    & skf21("2","3","4","2","5","7","7","1") = "6"
    & skf21("2","3","4","2","6","1","1","1") = "5"
    & skf21("2","3","4","2","6","1","2","1") = "5"
    & skf21("2","3","4","2","6","1","3","1") = "5"
    & skf21("2","3","4","2","6","1","4","1") = "5"
    & skf21("2","3","4","2","6","1","5","1") = "5"
    & skf21("2","3","4","2","6","1","6","1") = "5"
    & skf21("2","3","4","2","6","1","7","1") = "6"
    & skf21("2","3","4","2","6","2","1","1") = "5"
    & skf21("2","3","4","2","6","2","2","1") = "5"
    & skf21("2","3","4","2","6","2","3","1") = "5"
    & skf21("2","3","4","2","6","2","4","1") = "5"
    & skf21("2","3","4","2","6","2","5","1") = "5"
    & skf21("2","3","4","2","6","2","6","1") = "5"
    & skf21("2","3","4","2","6","2","7","1") = "6"
    & skf21("2","3","4","2","6","3","1","1") = "5"
    & skf21("2","3","4","2","6","3","2","1") = "5"
    & skf21("2","3","4","2","6","3","3","1") = "5"
    & skf21("2","3","4","2","6","3","4","1") = "5"
    & skf21("2","3","4","2","6","3","5","1") = "5"
    & skf21("2","3","4","2","6","3","6","1") = "5"
    & skf21("2","3","4","2","6","3","7","1") = "6"
    & skf21("2","3","4","2","6","4","1","1") = "5"
    & skf21("2","3","4","2","6","4","2","1") = "5"
    & skf21("2","3","4","2","6","4","3","1") = "5"
    & skf21("2","3","4","2","6","4","4","1") = "5"
    & skf21("2","3","4","2","6","4","5","1") = "5"
    & skf21("2","3","4","2","6","4","6","1") = "5"
    & skf21("2","3","4","2","6","4","7","1") = "6"
    & skf21("2","3","4","2","6","5","1","1") = "5"
    & skf21("2","3","4","2","6","5","2","1") = "5"
    & skf21("2","3","4","2","6","5","3","1") = "5"
    & skf21("2","3","4","2","6","5","4","1") = "5"
    & skf21("2","3","4","2","6","5","5","1") = "5"
    & skf21("2","3","4","2","6","5","6","1") = "5"
    & skf21("2","3","4","2","6","5","7","1") = "6"
    & skf21("2","3","4","2","6","6","1","1") = "5"
    & skf21("2","3","4","2","6","6","2","1") = "5"
    & skf21("2","3","4","2","6","6","3","1") = "5"
    & skf21("2","3","4","2","6","6","4","1") = "5"
    & skf21("2","3","4","2","6","6","5","1") = "5"
    & skf21("2","3","4","2","6","6","6","1") = "5"
    & skf21("2","3","4","2","6","6","7","1") = "6"
    & skf21("2","3","4","2","6","7","1","1") = "6"
    & skf21("2","3","4","2","6","7","2","1") = "6"
    & skf21("2","3","4","2","6","7","3","1") = "6"
    & skf21("2","3","4","2","6","7","4","1") = "6"
    & skf21("2","3","4","2","6","7","5","1") = "6"
    & skf21("2","3","4","2","6","7","6","1") = "6"
    & skf21("2","3","4","2","6","7","7","1") = "6"
    & skf21("2","3","4","2","7","1","1","1") = "6"
    & skf21("2","3","4","2","7","1","2","1") = "6"
    & skf21("2","3","4","2","7","1","3","1") = "6"
    & skf21("2","3","4","2","7","1","4","1") = "6"
    & skf21("2","3","4","2","7","1","5","1") = "6"
    & skf21("2","3","4","2","7","1","6","1") = "6"
    & skf21("2","3","4","2","7","1","7","1") = "6"
    & skf21("2","3","4","2","7","2","1","1") = "6"
    & skf21("2","3","4","2","7","2","2","1") = "6"
    & skf21("2","3","4","2","7","2","3","1") = "6"
    & skf21("2","3","4","2","7","2","4","1") = "6"
    & skf21("2","3","4","2","7","2","5","1") = "6"
    & skf21("2","3","4","2","7","2","6","1") = "6"
    & skf21("2","3","4","2","7","2","7","1") = "6"
    & skf21("2","3","4","2","7","3","1","1") = "6"
    & skf21("2","3","4","2","7","3","2","1") = "6"
    & skf21("2","3","4","2","7","3","3","1") = "6"
    & skf21("2","3","4","2","7","3","4","1") = "6"
    & skf21("2","3","4","2","7","3","5","1") = "6"
    & skf21("2","3","4","2","7","3","6","1") = "6"
    & skf21("2","3","4","2","7","3","7","1") = "6"
    & skf21("2","3","4","2","7","4","1","1") = "6"
    & skf21("2","3","4","2","7","4","2","1") = "6"
    & skf21("2","3","4","2","7","4","3","1") = "6"
    & skf21("2","3","4","2","7","4","4","1") = "6"
    & skf21("2","3","4","2","7","4","5","1") = "6"
    & skf21("2","3","4","2","7","4","6","1") = "6"
    & skf21("2","3","4","2","7","4","7","1") = "6"
    & skf21("2","3","4","2","7","5","1","1") = "6"
    & skf21("2","3","4","2","7","5","2","1") = "6"
    & skf21("2","3","4","2","7","5","3","1") = "6"
    & skf21("2","3","4","2","7","5","4","1") = "6"
    & skf21("2","3","4","2","7","5","5","1") = "6"
    & skf21("2","3","4","2","7","5","6","1") = "6"
    & skf21("2","3","4","2","7","5","7","1") = "6"
    & skf21("2","3","4","2","7","6","1","1") = "6"
    & skf21("2","3","4","2","7","6","2","1") = "6"
    & skf21("2","3","4","2","7","6","3","1") = "6"
    & skf21("2","3","4","2","7","6","4","1") = "6"
    & skf21("2","3","4","2","7","6","5","1") = "6"
    & skf21("2","3","4","2","7","6","6","1") = "6"
    & skf21("2","3","4","2","7","6","7","1") = "6"
    & skf21("2","3","4","2","7","7","1","1") = "6"
    & skf21("2","3","4","2","7","7","2","1") = "6"
    & skf21("2","3","4","2","7","7","3","1") = "6"
    & skf21("2","3","4","2","7","7","4","1") = "6"
    & skf21("2","3","4","2","7","7","5","1") = "6"
    & skf21("2","3","4","2","7","7","6","1") = "6"
    & skf21("2","3","4","2","7","7","7","1") = "6"
    & skf21("2","3","4","3","1","1","1","1") = "3"
    & skf21("2","3","4","3","1","1","2","1") = "3"
    & skf21("2","3","4","3","1","1","3","1") = "3"
    & skf21("2","3","4","3","1","1","4","1") = "3"
    & skf21("2","3","4","3","1","1","5","1") = "4"
    & skf21("2","3","4","3","1","1","6","1") = "5"
    & skf21("2","3","4","3","1","1","7","1") = "6"
    & skf21("2","3","4","3","1","2","1","1") = "3"
    & skf21("2","3","4","3","1","2","2","1") = "3"
    & skf21("2","3","4","3","1","2","3","1") = "3"
    & skf21("2","3","4","3","1","2","4","1") = "3"
    & skf21("2","3","4","3","1","2","5","1") = "4"
    & skf21("2","3","4","3","1","2","6","1") = "5"
    & skf21("2","3","4","3","1","2","7","1") = "6"
    & skf21("2","3","4","3","1","3","1","1") = "3"
    & skf21("2","3","4","3","1","3","2","1") = "3"
    & skf21("2","3","4","3","1","3","3","1") = "3"
    & skf21("2","3","4","3","1","3","4","1") = "3"
    & skf21("2","3","4","3","1","3","5","1") = "4"
    & skf21("2","3","4","3","1","3","6","1") = "5"
    & skf21("2","3","4","3","1","3","7","1") = "6"
    & skf21("2","3","4","3","1","4","1","1") = "3"
    & skf21("2","3","4","3","1","4","2","1") = "3"
    & skf21("2","3","4","3","1","4","3","1") = "3"
    & skf21("2","3","4","3","1","4","4","1") = "3"
    & skf21("2","3","4","3","1","4","5","1") = "4"
    & skf21("2","3","4","3","1","4","6","1") = "5"
    & skf21("2","3","4","3","1","4","7","1") = "6"
    & skf21("2","3","4","3","1","5","1","1") = "4"
    & skf21("2","3","4","3","1","5","2","1") = "4"
    & skf21("2","3","4","3","1","5","3","1") = "4"
    & skf21("2","3","4","3","1","5","4","1") = "4"
    & skf21("2","3","4","3","1","5","5","1") = "4"
    & skf21("2","3","4","3","1","5","6","1") = "5"
    & skf21("2","3","4","3","1","5","7","1") = "6"
    & skf21("2","3","4","3","1","6","1","1") = "5"
    & skf21("2","3","4","3","1","6","2","1") = "5"
    & skf21("2","3","4","3","1","6","3","1") = "5"
    & skf21("2","3","4","3","1","6","4","1") = "5"
    & skf21("2","3","4","3","1","6","5","1") = "5"
    & skf21("2","3","4","3","1","6","6","1") = "5"
    & skf21("2","3","4","3","1","6","7","1") = "6"
    & skf21("2","3","4","3","1","7","1","1") = "6"
    & skf21("2","3","4","3","1","7","2","1") = "6"
    & skf21("2","3","4","3","1","7","3","1") = "6"
    & skf21("2","3","4","3","1","7","4","1") = "6"
    & skf21("2","3","4","3","1","7","5","1") = "6"
    & skf21("2","3","4","3","1","7","6","1") = "6"
    & skf21("2","3","4","3","1","7","7","1") = "6"
    & skf21("2","3","4","3","2","1","1","1") = "3"
    & skf21("2","3","4","3","2","1","2","1") = "3"
    & skf21("2","3","4","3","2","1","3","1") = "3"
    & skf21("2","3","4","3","2","1","4","1") = "3"
    & skf21("2","3","4","3","2","1","5","1") = "4"
    & skf21("2","3","4","3","2","1","6","1") = "5"
    & skf21("2","3","4","3","2","1","7","1") = "6"
    & skf21("2","3","4","3","2","2","1","1") = "3"
    & skf21("2","3","4","3","2","2","2","1") = "3"
    & skf21("2","3","4","3","2","2","3","1") = "3"
    & skf21("2","3","4","3","2","2","4","1") = "3"
    & skf21("2","3","4","3","2","2","5","1") = "4"
    & skf21("2","3","4","3","2","2","6","1") = "5"
    & skf21("2","3","4","3","2","2","7","1") = "6"
    & skf21("2","3","4","3","2","3","1","1") = "3"
    & skf21("2","3","4","3","2","3","2","1") = "3"
    & skf21("2","3","4","3","2","3","3","1") = "3"
    & skf21("2","3","4","3","2","3","4","1") = "3"
    & skf21("2","3","4","3","2","3","5","1") = "4"
    & skf21("2","3","4","3","2","3","6","1") = "5"
    & skf21("2","3","4","3","2","3","7","1") = "6"
    & skf21("2","3","4","3","2","4","1","1") = "3"
    & skf21("2","3","4","3","2","4","2","1") = "3"
    & skf21("2","3","4","3","2","4","3","1") = "3"
    & skf21("2","3","4","3","2","4","4","1") = "3"
    & skf21("2","3","4","3","2","4","5","1") = "4"
    & skf21("2","3","4","3","2","4","6","1") = "5"
    & skf21("2","3","4","3","2","4","7","1") = "6"
    & skf21("2","3","4","3","2","5","1","1") = "4"
    & skf21("2","3","4","3","2","5","2","1") = "4"
    & skf21("2","3","4","3","2","5","3","1") = "4"
    & skf21("2","3","4","3","2","5","4","1") = "4"
    & skf21("2","3","4","3","2","5","5","1") = "4"
    & skf21("2","3","4","3","2","5","6","1") = "5"
    & skf21("2","3","4","3","2","5","7","1") = "6"
    & skf21("2","3","4","3","2","6","1","1") = "5"
    & skf21("2","3","4","3","2","6","2","1") = "5"
    & skf21("2","3","4","3","2","6","3","1") = "5"
    & skf21("2","3","4","3","2","6","4","1") = "5"
    & skf21("2","3","4","3","2","6","5","1") = "5"
    & skf21("2","3","4","3","2","6","6","1") = "5"
    & skf21("2","3","4","3","2","6","7","1") = "6"
    & skf21("2","3","4","3","2","7","1","1") = "6"
    & skf21("2","3","4","3","2","7","2","1") = "6"
    & skf21("2","3","4","3","2","7","3","1") = "6"
    & skf21("2","3","4","3","2","7","4","1") = "6"
    & skf21("2","3","4","3","2","7","5","1") = "6"
    & skf21("2","3","4","3","2","7","6","1") = "6"
    & skf21("2","3","4","3","2","7","7","1") = "6"
    & skf21("2","3","4","3","3","1","1","1") = "3"
    & skf21("2","3","4","3","3","1","2","1") = "3"
    & skf21("2","3","4","3","3","1","3","1") = "3"
    & skf21("2","3","4","3","3","1","4","1") = "3"
    & skf21("2","3","4","3","3","1","5","1") = "4"
    & skf21("2","3","4","3","3","1","6","1") = "5"
    & skf21("2","3","4","3","3","1","7","1") = "6"
    & skf21("2","3","4","3","3","2","1","1") = "3"
    & skf21("2","3","4","3","3","2","2","1") = "3"
    & skf21("2","3","4","3","3","2","3","1") = "3"
    & skf21("2","3","4","3","3","2","4","1") = "3"
    & skf21("2","3","4","3","3","2","5","1") = "4"
    & skf21("2","3","4","3","3","2","6","1") = "5"
    & skf21("2","3","4","3","3","2","7","1") = "6"
    & skf21("2","3","4","3","3","3","1","1") = "3"
    & skf21("2","3","4","3","3","3","2","1") = "3"
    & skf21("2","3","4","3","3","3","3","1") = "3"
    & skf21("2","3","4","3","3","3","4","1") = "3"
    & skf21("2","3","4","3","3","3","5","1") = "4"
    & skf21("2","3","4","3","3","3","6","1") = "5"
    & skf21("2","3","4","3","3","3","7","1") = "6"
    & skf21("2","3","4","3","3","4","1","1") = "3"
    & skf21("2","3","4","3","3","4","2","1") = "3"
    & skf21("2","3","4","3","3","4","3","1") = "3"
    & skf21("2","3","4","3","3","4","4","1") = "3"
    & skf21("2","3","4","3","3","4","5","1") = "4"
    & skf21("2","3","4","3","3","4","6","1") = "5"
    & skf21("2","3","4","3","3","4","7","1") = "6"
    & skf21("2","3","4","3","3","5","1","1") = "4"
    & skf21("2","3","4","3","3","5","2","1") = "4"
    & skf21("2","3","4","3","3","5","3","1") = "4"
    & skf21("2","3","4","3","3","5","4","1") = "4"
    & skf21("2","3","4","3","3","5","5","1") = "4"
    & skf21("2","3","4","3","3","5","6","1") = "5"
    & skf21("2","3","4","3","3","5","7","1") = "6"
    & skf21("2","3","4","3","3","6","1","1") = "5"
    & skf21("2","3","4","3","3","6","2","1") = "5"
    & skf21("2","3","4","3","3","6","3","1") = "5"
    & skf21("2","3","4","3","3","6","4","1") = "5"
    & skf21("2","3","4","3","3","6","5","1") = "5"
    & skf21("2","3","4","3","3","6","6","1") = "5"
    & skf21("2","3","4","3","3","6","7","1") = "6"
    & skf21("2","3","4","3","3","7","1","1") = "6"
    & skf21("2","3","4","3","3","7","2","1") = "6"
    & skf21("2","3","4","3","3","7","3","1") = "6"
    & skf21("2","3","4","3","3","7","4","1") = "6"
    & skf21("2","3","4","3","3","7","5","1") = "6"
    & skf21("2","3","4","3","3","7","6","1") = "6"
    & skf21("2","3","4","3","3","7","7","1") = "6"
    & skf21("2","3","4","3","4","1","1","1") = "3"
    & skf21("2","3","4","3","4","1","2","1") = "3"
    & skf21("2","3","4","3","4","1","3","1") = "3"
    & skf21("2","3","4","3","4","1","4","1") = "3"
    & skf21("2","3","4","3","4","1","5","1") = "4"
    & skf21("2","3","4","3","4","1","6","1") = "5"
    & skf21("2","3","4","3","4","1","7","1") = "6"
    & skf21("2","3","4","3","4","2","1","1") = "3"
    & skf21("2","3","4","3","4","2","2","1") = "3"
    & skf21("2","3","4","3","4","2","3","1") = "3"
    & skf21("2","3","4","3","4","2","4","1") = "2"
    & skf21("2","3","4","3","4","2","5","1") = "4"
    & skf21("2","3","4","3","4","2","6","1") = "5"
    & skf21("2","3","4","3","4","2","7","1") = "6"
    & skf21("2","3","4","3","4","3","1","1") = "3"
    & skf21("2","3","4","3","4","3","2","1") = "3"
    & skf21("2","3","4","3","4","3","3","1") = "3"
    & skf21("2","3","4","3","4","3","4","1") = "3"
    & skf21("2","3","4","3","4","3","5","1") = "4"
    & skf21("2","3","4","3","4","3","6","1") = "5"
    & skf21("2","3","4","3","4","3","7","1") = "6"
    & skf21("2","3","4","3","4","4","1","1") = "3"
    & skf21("2","3","4","3","4","4","2","1") = "3"
    & skf21("2","3","4","3","4","4","3","1") = "3"
    & skf21("2","3","4","3","4","4","4","1") = "3"
    & skf21("2","3","4","3","4","4","5","1") = "4"
    & skf21("2","3","4","3","4","4","6","1") = "5"
    & skf21("2","3","4","3","4","4","7","1") = "6"
    & skf21("2","3","4","3","4","5","1","1") = "4"
    & skf21("2","3","4","3","4","5","2","1") = "4"
    & skf21("2","3","4","3","4","5","3","1") = "4"
    & skf21("2","3","4","3","4","5","4","1") = "4"
    & skf21("2","3","4","3","4","5","5","1") = "4"
    & skf21("2","3","4","3","4","5","6","1") = "5"
    & skf21("2","3","4","3","4","5","7","1") = "6"
    & skf21("2","3","4","3","4","6","1","1") = "5"
    & skf21("2","3","4","3","4","6","2","1") = "5"
    & skf21("2","3","4","3","4","6","3","1") = "5"
    & skf21("2","3","4","3","4","6","4","1") = "5"
    & skf21("2","3","4","3","4","6","5","1") = "5"
    & skf21("2","3","4","3","4","6","6","1") = "5"
    & skf21("2","3","4","3","4","6","7","1") = "6"
    & skf21("2","3","4","3","4","7","1","1") = "6"
    & skf21("2","3","4","3","4","7","2","1") = "6"
    & skf21("2","3","4","3","4","7","3","1") = "6"
    & skf21("2","3","4","3","4","7","4","1") = "6"
    & skf21("2","3","4","3","4","7","5","1") = "6"
    & skf21("2","3","4","3","4","7","6","1") = "6"
    & skf21("2","3","4","3","4","7","7","1") = "6"
    & skf21("2","3","4","3","5","1","1","1") = "4"
    & skf21("2","3","4","3","5","1","2","1") = "4"
    & skf21("2","3","4","3","5","1","3","1") = "4"
    & skf21("2","3","4","3","5","1","4","1") = "4"
    & skf21("2","3","4","3","5","1","5","1") = "4"
    & skf21("2","3","4","3","5","1","6","1") = "5"
    & skf21("2","3","4","3","5","1","7","1") = "6"
    & skf21("2","3","4","3","5","2","1","1") = "4"
    & skf21("2","3","4","3","5","2","2","1") = "4"
    & skf21("2","3","4","3","5","2","3","1") = "4"
    & skf21("2","3","4","3","5","2","4","1") = "4"
    & skf21("2","3","4","3","5","2","5","1") = "4"
    & skf21("2","3","4","3","5","2","6","1") = "5"
    & skf21("2","3","4","3","5","2","7","1") = "6"
    & skf21("2","3","4","3","5","3","1","1") = "4"
    & skf21("2","3","4","3","5","3","2","1") = "4"
    & skf21("2","3","4","3","5","3","3","1") = "4"
    & skf21("2","3","4","3","5","3","4","1") = "4"
    & skf21("2","3","4","3","5","3","5","1") = "4"
    & skf21("2","3","4","3","5","3","6","1") = "5"
    & skf21("2","3","4","3","5","3","7","1") = "6"
    & skf21("2","3","4","3","5","4","1","1") = "4"
    & skf21("2","3","4","3","5","4","2","1") = "4"
    & skf21("2","3","4","3","5","4","3","1") = "4"
    & skf21("2","3","4","3","5","4","4","1") = "4"
    & skf21("2","3","4","3","5","4","5","1") = "4"
    & skf21("2","3","4","3","5","4","6","1") = "5"
    & skf21("2","3","4","3","5","4","7","1") = "6"
    & skf21("2","3","4","3","5","5","1","1") = "4"
    & skf21("2","3","4","3","5","5","2","1") = "4"
    & skf21("2","3","4","3","5","5","3","1") = "4"
    & skf21("2","3","4","3","5","5","4","1") = "4"
    & skf21("2","3","4","3","5","5","5","1") = "4"
    & skf21("2","3","4","3","5","5","6","1") = "5"
    & skf21("2","3","4","3","5","5","7","1") = "6"
    & skf21("2","3","4","3","5","6","1","1") = "5"
    & skf21("2","3","4","3","5","6","2","1") = "5"
    & skf21("2","3","4","3","5","6","3","1") = "5"
    & skf21("2","3","4","3","5","6","4","1") = "5"
    & skf21("2","3","4","3","5","6","5","1") = "5"
    & skf21("2","3","4","3","5","6","6","1") = "5"
    & skf21("2","3","4","3","5","6","7","1") = "6"
    & skf21("2","3","4","3","5","7","1","1") = "6"
    & skf21("2","3","4","3","5","7","2","1") = "6"
    & skf21("2","3","4","3","5","7","3","1") = "6"
    & skf21("2","3","4","3","5","7","4","1") = "6"
    & skf21("2","3","4","3","5","7","5","1") = "6"
    & skf21("2","3","4","3","5","7","6","1") = "6"
    & skf21("2","3","4","3","5","7","7","1") = "6"
    & skf21("2","3","4","3","6","1","1","1") = "5"
    & skf21("2","3","4","3","6","1","2","1") = "5"
    & skf21("2","3","4","3","6","1","3","1") = "5"
    & skf21("2","3","4","3","6","1","4","1") = "5"
    & skf21("2","3","4","3","6","1","5","1") = "5"
    & skf21("2","3","4","3","6","1","6","1") = "5"
    & skf21("2","3","4","3","6","1","7","1") = "6"
    & skf21("2","3","4","3","6","2","1","1") = "5"
    & skf21("2","3","4","3","6","2","2","1") = "5"
    & skf21("2","3","4","3","6","2","3","1") = "5"
    & skf21("2","3","4","3","6","2","4","1") = "5"
    & skf21("2","3","4","3","6","2","5","1") = "5"
    & skf21("2","3","4","3","6","2","6","1") = "5"
    & skf21("2","3","4","3","6","2","7","1") = "6"
    & skf21("2","3","4","3","6","3","1","1") = "5"
    & skf21("2","3","4","3","6","3","2","1") = "5"
    & skf21("2","3","4","3","6","3","3","1") = "5"
    & skf21("2","3","4","3","6","3","4","1") = "5"
    & skf21("2","3","4","3","6","3","5","1") = "5"
    & skf21("2","3","4","3","6","3","6","1") = "5"
    & skf21("2","3","4","3","6","3","7","1") = "6"
    & skf21("2","3","4","3","6","4","1","1") = "5"
    & skf21("2","3","4","3","6","4","2","1") = "5"
    & skf21("2","3","4","3","6","4","3","1") = "5"
    & skf21("2","3","4","3","6","4","4","1") = "5"
    & skf21("2","3","4","3","6","4","5","1") = "5"
    & skf21("2","3","4","3","6","4","6","1") = "5"
    & skf21("2","3","4","3","6","4","7","1") = "6"
    & skf21("2","3","4","3","6","5","1","1") = "5"
    & skf21("2","3","4","3","6","5","2","1") = "5"
    & skf21("2","3","4","3","6","5","3","1") = "5"
    & skf21("2","3","4","3","6","5","4","1") = "5"
    & skf21("2","3","4","3","6","5","5","1") = "5"
    & skf21("2","3","4","3","6","5","6","1") = "5"
    & skf21("2","3","4","3","6","5","7","1") = "6"
    & skf21("2","3","4","3","6","6","1","1") = "5"
    & skf21("2","3","4","3","6","6","2","1") = "5"
    & skf21("2","3","4","3","6","6","3","1") = "5"
    & skf21("2","3","4","3","6","6","4","1") = "5"
    & skf21("2","3","4","3","6","6","5","1") = "5"
    & skf21("2","3","4","3","6","6","6","1") = "5"
    & skf21("2","3","4","3","6","6","7","1") = "6"
    & skf21("2","3","4","3","6","7","1","1") = "6"
    & skf21("2","3","4","3","6","7","2","1") = "6"
    & skf21("2","3","4","3","6","7","3","1") = "6"
    & skf21("2","3","4","3","6","7","4","1") = "6"
    & skf21("2","3","4","3","6","7","5","1") = "6"
    & skf21("2","3","4","3","6","7","6","1") = "6"
    & skf21("2","3","4","3","6","7","7","1") = "6"
    & skf21("2","3","4","3","7","1","1","1") = "6"
    & skf21("2","3","4","3","7","1","2","1") = "6"
    & skf21("2","3","4","3","7","1","3","1") = "6"
    & skf21("2","3","4","3","7","1","4","1") = "6"
    & skf21("2","3","4","3","7","1","5","1") = "6"
    & skf21("2","3","4","3","7","1","6","1") = "6"
    & skf21("2","3","4","3","7","1","7","1") = "6"
    & skf21("2","3","4","3","7","2","1","1") = "6"
    & skf21("2","3","4","3","7","2","2","1") = "6"
    & skf21("2","3","4","3","7","2","3","1") = "6"
    & skf21("2","3","4","3","7","2","4","1") = "6"
    & skf21("2","3","4","3","7","2","5","1") = "6"
    & skf21("2","3","4","3","7","2","6","1") = "6"
    & skf21("2","3","4","3","7","2","7","1") = "6"
    & skf21("2","3","4","3","7","3","1","1") = "6"
    & skf21("2","3","4","3","7","3","2","1") = "6"
    & skf21("2","3","4","3","7","3","3","1") = "6"
    & skf21("2","3","4","3","7","3","4","1") = "6"
    & skf21("2","3","4","3","7","3","5","1") = "6"
    & skf21("2","3","4","3","7","3","6","1") = "6"
    & skf21("2","3","4","3","7","3","7","1") = "6"
    & skf21("2","3","4","3","7","4","1","1") = "6"
    & skf21("2","3","4","3","7","4","2","1") = "6"
    & skf21("2","3","4","3","7","4","3","1") = "6"
    & skf21("2","3","4","3","7","4","4","1") = "6"
    & skf21("2","3","4","3","7","4","5","1") = "6"
    & skf21("2","3","4","3","7","4","6","1") = "6"
    & skf21("2","3","4","3","7","4","7","1") = "6"
    & skf21("2","3","4","3","7","5","1","1") = "6"
    & skf21("2","3","4","3","7","5","2","1") = "6"
    & skf21("2","3","4","3","7","5","3","1") = "6"
    & skf21("2","3","4","3","7","5","4","1") = "6"
    & skf21("2","3","4","3","7","5","5","1") = "6"
    & skf21("2","3","4","3","7","5","6","1") = "6"
    & skf21("2","3","4","3","7","5","7","1") = "6"
    & skf21("2","3","4","3","7","6","1","1") = "6"
    & skf21("2","3","4","3","7","6","2","1") = "6"
    & skf21("2","3","4","3","7","6","3","1") = "6"
    & skf21("2","3","4","3","7","6","4","1") = "6"
    & skf21("2","3","4","3","7","6","5","1") = "6"
    & skf21("2","3","4","3","7","6","6","1") = "6"
    & skf21("2","3","4","3","7","6","7","1") = "6"
    & skf21("2","3","4","3","7","7","1","1") = "6"
    & skf21("2","3","4","3","7","7","2","1") = "6"
    & skf21("2","3","4","3","7","7","3","1") = "6"
    & skf21("2","3","4","3","7","7","4","1") = "6"
    & skf21("2","3","4","3","7","7","5","1") = "6"
    & skf21("2","3","4","3","7","7","6","1") = "6"
    & skf21("2","3","4","3","7","7","7","1") = "6"
    & skf21("2","3","4","4","1","1","1","1") = "3"
    & skf21("2","3","4","4","1","1","2","1") = "3"
    & skf21("2","3","4","4","1","1","3","1") = "3"
    & skf21("2","3","4","4","1","1","4","1") = "3"
    & skf21("2","3","4","4","1","1","5","1") = "4"
    & skf21("2","3","4","4","1","1","6","1") = "5"
    & skf21("2","3","4","4","1","1","7","1") = "6"
    & skf21("2","3","4","4","1","2","1","1") = "3"
    & skf21("2","3","4","4","1","2","2","1") = "3"
    & skf21("2","3","4","4","1","2","3","1") = "3"
    & skf21("2","3","4","4","1","2","4","1") = "3"
    & skf21("2","3","4","4","1","2","5","1") = "4"
    & skf21("2","3","4","4","1","2","6","1") = "5"
    & skf21("2","3","4","4","1","2","7","1") = "6"
    & skf21("2","3","4","4","1","3","1","1") = "3"
    & skf21("2","3","4","4","1","3","2","1") = "3"
    & skf21("2","3","4","4","1","3","3","1") = "3"
    & skf21("2","3","4","4","1","3","4","1") = "3"
    & skf21("2","3","4","4","1","3","5","1") = "4"
    & skf21("2","3","4","4","1","3","6","1") = "5"
    & skf21("2","3","4","4","1","3","7","1") = "6"
    & skf21("2","3","4","4","1","4","1","1") = "3"
    & skf21("2","3","4","4","1","4","2","1") = "3"
    & skf21("2","3","4","4","1","4","3","1") = "3"
    & skf21("2","3","4","4","1","4","4","1") = "3"
    & skf21("2","3","4","4","1","4","5","1") = "4"
    & skf21("2","3","4","4","1","4","6","1") = "5"
    & skf21("2","3","4","4","1","4","7","1") = "6"
    & skf21("2","3","4","4","1","5","1","1") = "4"
    & skf21("2","3","4","4","1","5","2","1") = "4"
    & skf21("2","3","4","4","1","5","3","1") = "4"
    & skf21("2","3","4","4","1","5","4","1") = "4"
    & skf21("2","3","4","4","1","5","5","1") = "4"
    & skf21("2","3","4","4","1","5","6","1") = "5"
    & skf21("2","3","4","4","1","5","7","1") = "6"
    & skf21("2","3","4","4","1","6","1","1") = "5"
    & skf21("2","3","4","4","1","6","2","1") = "5"
    & skf21("2","3","4","4","1","6","3","1") = "5"
    & skf21("2","3","4","4","1","6","4","1") = "5"
    & skf21("2","3","4","4","1","6","5","1") = "5"
    & skf21("2","3","4","4","1","6","6","1") = "5"
    & skf21("2","3","4","4","1","6","7","1") = "6"
    & skf21("2","3","4","4","1","7","1","1") = "6"
    & skf21("2","3","4","4","1","7","2","1") = "6"
    & skf21("2","3","4","4","1","7","3","1") = "6"
    & skf21("2","3","4","4","1","7","4","1") = "6"
    & skf21("2","3","4","4","1","7","5","1") = "6"
    & skf21("2","3","4","4","1","7","6","1") = "6"
    & skf21("2","3","4","4","1","7","7","1") = "6"
    & skf21("2","3","4","4","2","1","1","1") = "3"
    & skf21("2","3","4","4","2","1","2","1") = "3"
    & skf21("2","3","4","4","2","1","3","1") = "3"
    & skf21("2","3","4","4","2","1","4","1") = "3"
    & skf21("2","3","4","4","2","1","5","1") = "4"
    & skf21("2","3","4","4","2","1","6","1") = "5"
    & skf21("2","3","4","4","2","1","7","1") = "6"
    & skf21("2","3","4","4","2","2","1","1") = "3"
    & skf21("2","3","4","4","2","2","2","1") = "3"
    & skf21("2","3","4","4","2","2","3","1") = "3"
    & skf21("2","3","4","4","2","2","4","1") = "3"
    & skf21("2","3","4","4","2","2","5","1") = "4"
    & skf21("2","3","4","4","2","2","6","1") = "5"
    & skf21("2","3","4","4","2","2","7","1") = "6"
    & skf21("2","3","4","4","2","3","1","1") = "3"
    & skf21("2","3","4","4","2","3","2","1") = "3"
    & skf21("2","3","4","4","2","3","3","1") = "3"
    & skf21("2","3","4","4","2","3","4","1") = "3"
    & skf21("2","3","4","4","2","3","5","1") = "4"
    & skf21("2","3","4","4","2","3","6","1") = "5"
    & skf21("2","3","4","4","2","3","7","1") = "6"
    & skf21("2","3","4","4","2","4","1","1") = "3"
    & skf21("2","3","4","4","2","4","2","1") = "3"
    & skf21("2","3","4","4","2","4","3","1") = "3"
    & skf21("2","3","4","4","2","4","4","1") = "3"
    & skf21("2","3","4","4","2","4","5","1") = "4"
    & skf21("2","3","4","4","2","4","6","1") = "5"
    & skf21("2","3","4","4","2","4","7","1") = "6"
    & skf21("2","3","4","4","2","5","1","1") = "4"
    & skf21("2","3","4","4","2","5","2","1") = "4"
    & skf21("2","3","4","4","2","5","3","1") = "4"
    & skf21("2","3","4","4","2","5","4","1") = "4"
    & skf21("2","3","4","4","2","5","5","1") = "4"
    & skf21("2","3","4","4","2","5","6","1") = "5"
    & skf21("2","3","4","4","2","5","7","1") = "6"
    & skf21("2","3","4","4","2","6","1","1") = "5"
    & skf21("2","3","4","4","2","6","2","1") = "5"
    & skf21("2","3","4","4","2","6","3","1") = "5"
    & skf21("2","3","4","4","2","6","4","1") = "5"
    & skf21("2","3","4","4","2","6","5","1") = "5"
    & skf21("2","3","4","4","2","6","6","1") = "5"
    & skf21("2","3","4","4","2","6","7","1") = "6"
    & skf21("2","3","4","4","2","7","1","1") = "6"
    & skf21("2","3","4","4","2","7","2","1") = "6"
    & skf21("2","3","4","4","2","7","3","1") = "6"
    & skf21("2","3","4","4","2","7","4","1") = "6"
    & skf21("2","3","4","4","2","7","5","1") = "6"
    & skf21("2","3","4","4","2","7","6","1") = "6"
    & skf21("2","3","4","4","2","7","7","1") = "6"
    & skf21("2","3","4","4","3","1","1","1") = "3"
    & skf21("2","3","4","4","3","1","2","1") = "3"
    & skf21("2","3","4","4","3","1","3","1") = "3"
    & skf21("2","3","4","4","3","1","4","1") = "3"
    & skf21("2","3","4","4","3","1","5","1") = "4"
    & skf21("2","3","4","4","3","1","6","1") = "5"
    & skf21("2","3","4","4","3","1","7","1") = "6"
    & skf21("2","3","4","4","3","2","1","1") = "3"
    & skf21("2","3","4","4","3","2","2","1") = "3"
    & skf21("2","3","4","4","3","2","3","1") = "3"
    & skf21("2","3","4","4","3","2","4","1") = "3"
    & skf21("2","3","4","4","3","2","5","1") = "4"
    & skf21("2","3","4","4","3","2","6","1") = "5"
    & skf21("2","3","4","4","3","2","7","1") = "6"
    & skf21("2","3","4","4","3","3","1","1") = "3"
    & skf21("2","3","4","4","3","3","2","1") = "3"
    & skf21("2","3","4","4","3","3","3","1") = "3"
    & skf21("2","3","4","4","3","3","4","1") = "3"
    & skf21("2","3","4","4","3","3","5","1") = "4"
    & skf21("2","3","4","4","3","3","6","1") = "5"
    & skf21("2","3","4","4","3","3","7","1") = "6"
    & skf21("2","3","4","4","3","4","1","1") = "3"
    & skf21("2","3","4","4","3","4","2","1") = "3"
    & skf21("2","3","4","4","3","4","3","1") = "3"
    & skf21("2","3","4","4","3","4","4","1") = "3"
    & skf21("2","3","4","4","3","4","5","1") = "4"
    & skf21("2","3","4","4","3","4","6","1") = "5"
    & skf21("2","3","4","4","3","4","7","1") = "6"
    & skf21("2","3","4","4","3","5","1","1") = "4"
    & skf21("2","3","4","4","3","5","2","1") = "4"
    & skf21("2","3","4","4","3","5","3","1") = "4"
    & skf21("2","3","4","4","3","5","4","1") = "4"
    & skf21("2","3","4","4","3","5","5","1") = "4"
    & skf21("2","3","4","4","3","5","6","1") = "5"
    & skf21("2","3","4","4","3","5","7","1") = "6"
    & skf21("2","3","4","4","3","6","1","1") = "5"
    & skf21("2","3","4","4","3","6","2","1") = "5"
    & skf21("2","3","4","4","3","6","3","1") = "5"
    & skf21("2","3","4","4","3","6","4","1") = "5"
    & skf21("2","3","4","4","3","6","5","1") = "5"
    & skf21("2","3","4","4","3","6","6","1") = "5"
    & skf21("2","3","4","4","3","6","7","1") = "6"
    & skf21("2","3","4","4","3","7","1","1") = "6"
    & skf21("2","3","4","4","3","7","2","1") = "6"
    & skf21("2","3","4","4","3","7","3","1") = "6"
    & skf21("2","3","4","4","3","7","4","1") = "6"
    & skf21("2","3","4","4","3","7","5","1") = "6"
    & skf21("2","3","4","4","3","7","6","1") = "6"
    & skf21("2","3","4","4","3","7","7","1") = "6"
    & skf21("2","3","4","4","4","1","1","1") = "3"
    & skf21("2","3","4","4","4","1","2","1") = "3"
    & skf21("2","3","4","4","4","1","3","1") = "3"
    & skf21("2","3","4","4","4","1","4","1") = "3"
    & skf21("2","3","4","4","4","1","5","1") = "4"
    & skf21("2","3","4","4","4","1","6","1") = "5"
    & skf21("2","3","4","4","4","1","7","1") = "6"
    & skf21("2","3","4","4","4","2","1","1") = "3"
    & skf21("2","3","4","4","4","2","2","1") = "3"
    & skf21("2","3","4","4","4","2","3","1") = "3"
    & skf21("2","3","4","4","4","2","4","1") = "3"
    & skf21("2","3","4","4","4","2","5","1") = "4"
    & skf21("2","3","4","4","4","2","6","1") = "5"
    & skf21("2","3","4","4","4","2","7","1") = "6"
    & skf21("2","3","4","4","4","3","1","1") = "3"
    & skf21("2","3","4","4","4","3","2","1") = "3"
    & skf21("2","3","4","4","4","3","3","1") = "3"
    & skf21("2","3","4","4","4","3","4","1") = "3"
    & skf21("2","3","4","4","4","3","5","1") = "4"
    & skf21("2","3","4","4","4","3","6","1") = "5"
    & skf21("2","3","4","4","4","3","7","1") = "6"
    & skf21("2","3","4","4","4","4","1","1") = "3"
    & skf21("2","3","4","4","4","4","2","1") = "3"
    & skf21("2","3","4","4","4","4","3","1") = "3"
    & skf21("2","3","4","4","4","4","4","1") = "3"
    & skf21("2","3","4","4","4","4","5","1") = "4"
    & skf21("2","3","4","4","4","4","6","1") = "5"
    & skf21("2","3","4","4","4","4","7","1") = "6"
    & skf21("2","3","4","4","4","5","1","1") = "4"
    & skf21("2","3","4","4","4","5","2","1") = "4"
    & skf21("2","3","4","4","4","5","3","1") = "4"
    & skf21("2","3","4","4","4","5","4","1") = "4"
    & skf21("2","3","4","4","4","5","5","1") = "4"
    & skf21("2","3","4","4","4","5","6","1") = "5"
    & skf21("2","3","4","4","4","5","7","1") = "6"
    & skf21("2","3","4","4","4","6","1","1") = "5"
    & skf21("2","3","4","4","4","6","2","1") = "5"
    & skf21("2","3","4","4","4","6","3","1") = "5"
    & skf21("2","3","4","4","4","6","4","1") = "5"
    & skf21("2","3","4","4","4","6","5","1") = "5"
    & skf21("2","3","4","4","4","6","6","1") = "5"
    & skf21("2","3","4","4","4","6","7","1") = "6"
    & skf21("2","3","4","4","4","7","1","1") = "6"
    & skf21("2","3","4","4","4","7","2","1") = "6"
    & skf21("2","3","4","4","4","7","3","1") = "6"
    & skf21("2","3","4","4","4","7","4","1") = "6"
    & skf21("2","3","4","4","4","7","5","1") = "6"
    & skf21("2","3","4","4","4","7","6","1") = "6"
    & skf21("2","3","4","4","4","7","7","1") = "6"
    & skf21("2","3","4","4","5","1","1","1") = "4"
    & skf21("2","3","4","4","5","1","2","1") = "4"
    & skf21("2","3","4","4","5","1","3","1") = "4"
    & skf21("2","3","4","4","5","1","4","1") = "4"
    & skf21("2","3","4","4","5","1","5","1") = "4"
    & skf21("2","3","4","4","5","1","6","1") = "5"
    & skf21("2","3","4","4","5","1","7","1") = "6"
    & skf21("2","3","4","4","5","2","1","1") = "4"
    & skf21("2","3","4","4","5","2","2","1") = "4"
    & skf21("2","3","4","4","5","2","3","1") = "4"
    & skf21("2","3","4","4","5","2","4","1") = "4"
    & skf21("2","3","4","4","5","2","5","1") = "4"
    & skf21("2","3","4","4","5","2","6","1") = "5"
    & skf21("2","3","4","4","5","2","7","1") = "6"
    & skf21("2","3","4","4","5","3","1","1") = "4"
    & skf21("2","3","4","4","5","3","2","1") = "4"
    & skf21("2","3","4","4","5","3","3","1") = "4"
    & skf21("2","3","4","4","5","3","4","1") = "4"
    & skf21("2","3","4","4","5","3","5","1") = "4"
    & skf21("2","3","4","4","5","3","6","1") = "5"
    & skf21("2","3","4","4","5","3","7","1") = "6"
    & skf21("2","3","4","4","5","4","1","1") = "4"
    & skf21("2","3","4","4","5","4","2","1") = "4"
    & skf21("2","3","4","4","5","4","3","1") = "4"
    & skf21("2","3","4","4","5","4","4","1") = "4"
    & skf21("2","3","4","4","5","4","5","1") = "4"
    & skf21("2","3","4","4","5","4","6","1") = "5"
    & skf21("2","3","4","4","5","4","7","1") = "6"
    & skf21("2","3","4","4","5","5","1","1") = "4"
    & skf21("2","3","4","4","5","5","2","1") = "4"
    & skf21("2","3","4","4","5","5","3","1") = "4"
    & skf21("2","3","4","4","5","5","4","1") = "4"
    & skf21("2","3","4","4","5","5","5","1") = "4"
    & skf21("2","3","4","4","5","5","6","1") = "5"
    & skf21("2","3","4","4","5","5","7","1") = "6"
    & skf21("2","3","4","4","5","6","1","1") = "5"
    & skf21("2","3","4","4","5","6","2","1") = "5"
    & skf21("2","3","4","4","5","6","3","1") = "5"
    & skf21("2","3","4","4","5","6","4","1") = "5"
    & skf21("2","3","4","4","5","6","5","1") = "5"
    & skf21("2","3","4","4","5","6","6","1") = "5"
    & skf21("2","3","4","4","5","6","7","1") = "6"
    & skf21("2","3","4","4","5","7","1","1") = "6"
    & skf21("2","3","4","4","5","7","2","1") = "6"
    & skf21("2","3","4","4","5","7","3","1") = "6"
    & skf21("2","3","4","4","5","7","4","1") = "6"
    & skf21("2","3","4","4","5","7","5","1") = "6"
    & skf21("2","3","4","4","5","7","6","1") = "6"
    & skf21("2","3","4","4","5","7","7","1") = "6"
    & skf21("2","3","4","4","6","1","1","1") = "5"
    & skf21("2","3","4","4","6","1","2","1") = "5"
    & skf21("2","3","4","4","6","1","3","1") = "5"
    & skf21("2","3","4","4","6","1","4","1") = "5"
    & skf21("2","3","4","4","6","1","5","1") = "5"
    & skf21("2","3","4","4","6","1","6","1") = "5"
    & skf21("2","3","4","4","6","1","7","1") = "6"
    & skf21("2","3","4","4","6","2","1","1") = "5"
    & skf21("2","3","4","4","6","2","2","1") = "5"
    & skf21("2","3","4","4","6","2","3","1") = "5"
    & skf21("2","3","4","4","6","2","4","1") = "5"
    & skf21("2","3","4","4","6","2","5","1") = "5"
    & skf21("2","3","4","4","6","2","6","1") = "5"
    & skf21("2","3","4","4","6","2","7","1") = "6"
    & skf21("2","3","4","4","6","3","1","1") = "5"
    & skf21("2","3","4","4","6","3","2","1") = "5"
    & skf21("2","3","4","4","6","3","3","1") = "5"
    & skf21("2","3","4","4","6","3","4","1") = "5"
    & skf21("2","3","4","4","6","3","5","1") = "5"
    & skf21("2","3","4","4","6","3","6","1") = "5"
    & skf21("2","3","4","4","6","3","7","1") = "6"
    & skf21("2","3","4","4","6","4","1","1") = "5"
    & skf21("2","3","4","4","6","4","2","1") = "5"
    & skf21("2","3","4","4","6","4","3","1") = "5"
    & skf21("2","3","4","4","6","4","4","1") = "5"
    & skf21("2","3","4","4","6","4","5","1") = "5"
    & skf21("2","3","4","4","6","4","6","1") = "5"
    & skf21("2","3","4","4","6","4","7","1") = "6"
    & skf21("2","3","4","4","6","5","1","1") = "5"
    & skf21("2","3","4","4","6","5","2","1") = "5"
    & skf21("2","3","4","4","6","5","3","1") = "5"
    & skf21("2","3","4","4","6","5","4","1") = "5"
    & skf21("2","3","4","4","6","5","5","1") = "5"
    & skf21("2","3","4","4","6","5","6","1") = "5"
    & skf21("2","3","4","4","6","5","7","1") = "6"
    & skf21("2","3","4","4","6","6","1","1") = "5"
    & skf21("2","3","4","4","6","6","2","1") = "5"
    & skf21("2","3","4","4","6","6","3","1") = "5"
    & skf21("2","3","4","4","6","6","4","1") = "5"
    & skf21("2","3","4","4","6","6","5","1") = "5"
    & skf21("2","3","4","4","6","6","6","1") = "5"
    & skf21("2","3","4","4","6","6","7","1") = "6"
    & skf21("2","3","4","4","6","7","1","1") = "6"
    & skf21("2","3","4","4","6","7","2","1") = "6"
    & skf21("2","3","4","4","6","7","3","1") = "6"
    & skf21("2","3","4","4","6","7","4","1") = "6"
    & skf21("2","3","4","4","6","7","5","1") = "6"
    & skf21("2","3","4","4","6","7","6","1") = "6"
    & skf21("2","3","4","4","6","7","7","1") = "6"
    & skf21("2","3","4","4","7","1","1","1") = "6"
    & skf21("2","3","4","4","7","1","2","1") = "6"
    & skf21("2","3","4","4","7","1","3","1") = "6"
    & skf21("2","3","4","4","7","1","4","1") = "6"
    & skf21("2","3","4","4","7","1","5","1") = "6"
    & skf21("2","3","4","4","7","1","6","1") = "6"
    & skf21("2","3","4","4","7","1","7","1") = "6"
    & skf21("2","3","4","4","7","2","1","1") = "6"
    & skf21("2","3","4","4","7","2","2","1") = "6"
    & skf21("2","3","4","4","7","2","3","1") = "6"
    & skf21("2","3","4","4","7","2","4","1") = "6"
    & skf21("2","3","4","4","7","2","5","1") = "6"
    & skf21("2","3","4","4","7","2","6","1") = "6"
    & skf21("2","3","4","4","7","2","7","1") = "6"
    & skf21("2","3","4","4","7","3","1","1") = "6"
    & skf21("2","3","4","4","7","3","2","1") = "6"
    & skf21("2","3","4","4","7","3","3","1") = "6"
    & skf21("2","3","4","4","7","3","4","1") = "6"
    & skf21("2","3","4","4","7","3","5","1") = "6"
    & skf21("2","3","4","4","7","3","6","1") = "6"
    & skf21("2","3","4","4","7","3","7","1") = "6"
    & skf21("2","3","4","4","7","4","1","1") = "6"
    & skf21("2","3","4","4","7","4","2","1") = "6"
    & skf21("2","3","4","4","7","4","3","1") = "6"
    & skf21("2","3","4","4","7","4","4","1") = "6"
    & skf21("2","3","4","4","7","4","5","1") = "6"
    & skf21("2","3","4","4","7","4","6","1") = "6"
    & skf21("2","3","4","4","7","4","7","1") = "6"
    & skf21("2","3","4","4","7","5","1","1") = "6"
    & skf21("2","3","4","4","7","5","2","1") = "6"
    & skf21("2","3","4","4","7","5","3","1") = "6"
    & skf21("2","3","4","4","7","5","4","1") = "6"
    & skf21("2","3","4","4","7","5","5","1") = "6"
    & skf21("2","3","4","4","7","5","6","1") = "6"
    & skf21("2","3","4","4","7","5","7","1") = "6"
    & skf21("2","3","4","4","7","6","1","1") = "6"
    & skf21("2","3","4","4","7","6","2","1") = "6"
    & skf21("2","3","4","4","7","6","3","1") = "6"
    & skf21("2","3","4","4","7","6","4","1") = "6"
    & skf21("2","3","4","4","7","6","5","1") = "6"
    & skf21("2","3","4","4","7","6","6","1") = "6"
    & skf21("2","3","4","4","7","6","7","1") = "6"
    & skf21("2","3","4","4","7","7","1","1") = "6"
    & skf21("2","3","4","4","7","7","2","1") = "6"
    & skf21("2","3","4","4","7","7","3","1") = "6"
    & skf21("2","3","4","4","7","7","4","1") = "6"
    & skf21("2","3","4","4","7","7","5","1") = "6"
    & skf21("2","3","4","4","7","7","6","1") = "6"
    & skf21("2","3","4","4","7","7","7","1") = "6"
    & skf21("2","3","4","5","1","1","1","1") = "4"
    & skf21("2","3","4","5","1","1","2","1") = "4"
    & skf21("2","3","4","5","1","1","3","1") = "4"
    & skf21("2","3","4","5","1","1","4","1") = "4"
    & skf21("2","3","4","5","1","1","5","1") = "4"
    & skf21("2","3","4","5","1","1","6","1") = "5"
    & skf21("2","3","4","5","1","1","7","1") = "6"
    & skf21("2","3","4","5","1","2","1","1") = "4"
    & skf21("2","3","4","5","1","2","2","1") = "4"
    & skf21("2","3","4","5","1","2","3","1") = "4"
    & skf21("2","3","4","5","1","2","4","1") = "4"
    & skf21("2","3","4","5","1","2","5","1") = "4"
    & skf21("2","3","4","5","1","2","6","1") = "5"
    & skf21("2","3","4","5","1","2","7","1") = "6"
    & skf21("2","3","4","5","1","3","1","1") = "4"
    & skf21("2","3","4","5","1","3","2","1") = "4"
    & skf21("2","3","4","5","1","3","3","1") = "4"
    & skf21("2","3","4","5","1","3","4","1") = "4"
    & skf21("2","3","4","5","1","3","5","1") = "4"
    & skf21("2","3","4","5","1","3","6","1") = "5"
    & skf21("2","3","4","5","1","3","7","1") = "6"
    & skf21("2","3","4","5","1","4","1","1") = "4"
    & skf21("2","3","4","5","1","4","2","1") = "4"
    & skf21("2","3","4","5","1","4","3","1") = "4"
    & skf21("2","3","4","5","1","4","4","1") = "4"
    & skf21("2","3","4","5","1","4","5","1") = "4"
    & skf21("2","3","4","5","1","4","6","1") = "5"
    & skf21("2","3","4","5","1","4","7","1") = "6"
    & skf21("2","3","4","5","1","5","1","1") = "4"
    & skf21("2","3","4","5","1","5","2","1") = "4"
    & skf21("2","3","4","5","1","5","3","1") = "4"
    & skf21("2","3","4","5","1","5","4","1") = "4"
    & skf21("2","3","4","5","1","5","5","1") = "4"
    & skf21("2","3","4","5","1","5","6","1") = "5"
    & skf21("2","3","4","5","1","5","7","1") = "6"
    & skf21("2","3","4","5","1","6","1","1") = "5"
    & skf21("2","3","4","5","1","6","2","1") = "5"
    & skf21("2","3","4","5","1","6","3","1") = "5"
    & skf21("2","3","4","5","1","6","4","1") = "5"
    & skf21("2","3","4","5","1","6","5","1") = "5"
    & skf21("2","3","4","5","1","6","6","1") = "5"
    & skf21("2","3","4","5","1","6","7","1") = "6"
    & skf21("2","3","4","5","1","7","1","1") = "6"
    & skf21("2","3","4","5","1","7","2","1") = "6"
    & skf21("2","3","4","5","1","7","3","1") = "6"
    & skf21("2","3","4","5","1","7","4","1") = "6"
    & skf21("2","3","4","5","1","7","5","1") = "6"
    & skf21("2","3","4","5","1","7","6","1") = "6"
    & skf21("2","3","4","5","1","7","7","1") = "6"
    & skf21("2","3","4","5","2","1","1","1") = "4"
    & skf21("2","3","4","5","2","1","2","1") = "4"
    & skf21("2","3","4","5","2","1","3","1") = "4"
    & skf21("2","3","4","5","2","1","4","1") = "4"
    & skf21("2","3","4","5","2","1","5","1") = "4"
    & skf21("2","3","4","5","2","1","6","1") = "5"
    & skf21("2","3","4","5","2","1","7","1") = "6"
    & skf21("2","3","4","5","2","2","1","1") = "4"
    & skf21("2","3","4","5","2","2","2","1") = "4"
    & skf21("2","3","4","5","2","2","3","1") = "4"
    & skf21("2","3","4","5","2","2","4","1") = "4"
    & skf21("2","3","4","5","2","2","5","1") = "4"
    & skf21("2","3","4","5","2","2","6","1") = "5"
    & skf21("2","3","4","5","2","2","7","1") = "6"
    & skf21("2","3","4","5","2","3","1","1") = "4"
    & skf21("2","3","4","5","2","3","2","1") = "4"
    & skf21("2","3","4","5","2","3","3","1") = "4"
    & skf21("2","3","4","5","2","3","4","1") = "4"
    & skf21("2","3","4","5","2","3","5","1") = "4"
    & skf21("2","3","4","5","2","3","6","1") = "5"
    & skf21("2","3","4","5","2","3","7","1") = "6"
    & skf21("2","3","4","5","2","4","1","1") = "4"
    & skf21("2","3","4","5","2","4","2","1") = "4"
    & skf21("2","3","4","5","2","4","3","1") = "4"
    & skf21("2","3","4","5","2","4","4","1") = "4"
    & skf21("2","3","4","5","2","4","5","1") = "4"
    & skf21("2","3","4","5","2","4","6","1") = "5"
    & skf21("2","3","4","5","2","4","7","1") = "6"
    & skf21("2","3","4","5","2","5","1","1") = "4"
    & skf21("2","3","4","5","2","5","2","1") = "4"
    & skf21("2","3","4","5","2","5","3","1") = "4"
    & skf21("2","3","4","5","2","5","4","1") = "4"
    & skf21("2","3","4","5","2","5","5","1") = "4"
    & skf21("2","3","4","5","2","5","6","1") = "5"
    & skf21("2","3","4","5","2","5","7","1") = "6"
    & skf21("2","3","4","5","2","6","1","1") = "5"
    & skf21("2","3","4","5","2","6","2","1") = "5"
    & skf21("2","3","4","5","2","6","3","1") = "5"
    & skf21("2","3","4","5","2","6","4","1") = "5"
    & skf21("2","3","4","5","2","6","5","1") = "5"
    & skf21("2","3","4","5","2","6","6","1") = "5"
    & skf21("2","3","4","5","2","6","7","1") = "6"
    & skf21("2","3","4","5","2","7","1","1") = "6"
    & skf21("2","3","4","5","2","7","2","1") = "6"
    & skf21("2","3","4","5","2","7","3","1") = "6"
    & skf21("2","3","4","5","2","7","4","1") = "6"
    & skf21("2","3","4","5","2","7","5","1") = "6"
    & skf21("2","3","4","5","2","7","6","1") = "6"
    & skf21("2","3","4","5","2","7","7","1") = "6"
    & skf21("2","3","4","5","3","1","1","1") = "4"
    & skf21("2","3","4","5","3","1","2","1") = "4"
    & skf21("2","3","4","5","3","1","3","1") = "4"
    & skf21("2","3","4","5","3","1","4","1") = "4"
    & skf21("2","3","4","5","3","1","5","1") = "4"
    & skf21("2","3","4","5","3","1","6","1") = "5"
    & skf21("2","3","4","5","3","1","7","1") = "6"
    & skf21("2","3","4","5","3","2","1","1") = "4"
    & skf21("2","3","4","5","3","2","2","1") = "4"
    & skf21("2","3","4","5","3","2","3","1") = "4"
    & skf21("2","3","4","5","3","2","4","1") = "4"
    & skf21("2","3","4","5","3","2","5","1") = "4"
    & skf21("2","3","4","5","3","2","6","1") = "5"
    & skf21("2","3","4","5","3","2","7","1") = "6"
    & skf21("2","3","4","5","3","3","1","1") = "4"
    & skf21("2","3","4","5","3","3","2","1") = "4"
    & skf21("2","3","4","5","3","3","3","1") = "4"
    & skf21("2","3","4","5","3","3","4","1") = "4"
    & skf21("2","3","4","5","3","3","5","1") = "4"
    & skf21("2","3","4","5","3","3","6","1") = "5"
    & skf21("2","3","4","5","3","3","7","1") = "6"
    & skf21("2","3","4","5","3","4","1","1") = "4"
    & skf21("2","3","4","5","3","4","2","1") = "4"
    & skf21("2","3","4","5","3","4","3","1") = "4"
    & skf21("2","3","4","5","3","4","4","1") = "4"
    & skf21("2","3","4","5","3","4","5","1") = "4"
    & skf21("2","3","4","5","3","4","6","1") = "5"
    & skf21("2","3","4","5","3","4","7","1") = "6"
    & skf21("2","3","4","5","3","5","1","1") = "4"
    & skf21("2","3","4","5","3","5","2","1") = "4"
    & skf21("2","3","4","5","3","5","3","1") = "4"
    & skf21("2","3","4","5","3","5","4","1") = "4"
    & skf21("2","3","4","5","3","5","5","1") = "4"
    & skf21("2","3","4","5","3","5","6","1") = "5"
    & skf21("2","3","4","5","3","5","7","1") = "6"
    & skf21("2","3","4","5","3","6","1","1") = "5"
    & skf21("2","3","4","5","3","6","2","1") = "5"
    & skf21("2","3","4","5","3","6","3","1") = "5"
    & skf21("2","3","4","5","3","6","4","1") = "5"
    & skf21("2","3","4","5","3","6","5","1") = "5"
    & skf21("2","3","4","5","3","6","6","1") = "5"
    & skf21("2","3","4","5","3","6","7","1") = "6"
    & skf21("2","3","4","5","3","7","1","1") = "6"
    & skf21("2","3","4","5","3","7","2","1") = "6"
    & skf21("2","3","4","5","3","7","3","1") = "6"
    & skf21("2","3","4","5","3","7","4","1") = "6"
    & skf21("2","3","4","5","3","7","5","1") = "6"
    & skf21("2","3","4","5","3","7","6","1") = "6"
    & skf21("2","3","4","5","3","7","7","1") = "6"
    & skf21("2","3","4","5","4","1","1","1") = "4"
    & skf21("2","3","4","5","4","1","2","1") = "4"
    & skf21("2","3","4","5","4","1","3","1") = "4"
    & skf21("2","3","4","5","4","1","4","1") = "4"
    & skf21("2","3","4","5","4","1","5","1") = "4"
    & skf21("2","3","4","5","4","1","6","1") = "5"
    & skf21("2","3","4","5","4","1","7","1") = "6"
    & skf21("2","3","4","5","4","2","1","1") = "4"
    & skf21("2","3","4","5","4","2","2","1") = "4"
    & skf21("2","3","4","5","4","2","3","1") = "4"
    & skf21("2","3","4","5","4","2","4","1") = "4"
    & skf21("2","3","4","5","4","2","5","1") = "4"
    & skf21("2","3","4","5","4","2","6","1") = "5"
    & skf21("2","3","4","5","4","2","7","1") = "6"
    & skf21("2","3","4","5","4","3","1","1") = "4"
    & skf21("2","3","4","5","4","3","2","1") = "4"
    & skf21("2","3","4","5","4","3","3","1") = "4"
    & skf21("2","3","4","5","4","3","4","1") = "4"
    & skf21("2","3","4","5","4","3","5","1") = "4"
    & skf21("2","3","4","5","4","3","6","1") = "5"
    & skf21("2","3","4","5","4","3","7","1") = "6"
    & skf21("2","3","4","5","4","4","1","1") = "4"
    & skf21("2","3","4","5","4","4","2","1") = "4"
    & skf21("2","3","4","5","4","4","3","1") = "4"
    & skf21("2","3","4","5","4","4","4","1") = "4"
    & skf21("2","3","4","5","4","4","5","1") = "4"
    & skf21("2","3","4","5","4","4","6","1") = "5"
    & skf21("2","3","4","5","4","4","7","1") = "6"
    & skf21("2","3","4","5","4","5","1","1") = "4"
    & skf21("2","3","4","5","4","5","2","1") = "4"
    & skf21("2","3","4","5","4","5","3","1") = "4"
    & skf21("2","3","4","5","4","5","4","1") = "4"
    & skf21("2","3","4","5","4","5","5","1") = "4"
    & skf21("2","3","4","5","4","5","6","1") = "5"
    & skf21("2","3","4","5","4","5","7","1") = "6"
    & skf21("2","3","4","5","4","6","1","1") = "5"
    & skf21("2","3","4","5","4","6","2","1") = "5"
    & skf21("2","3","4","5","4","6","3","1") = "5"
    & skf21("2","3","4","5","4","6","4","1") = "5"
    & skf21("2","3","4","5","4","6","5","1") = "5"
    & skf21("2","3","4","5","4","6","6","1") = "5"
    & skf21("2","3","4","5","4","6","7","1") = "6"
    & skf21("2","3","4","5","4","7","1","1") = "6"
    & skf21("2","3","4","5","4","7","2","1") = "6"
    & skf21("2","3","4","5","4","7","3","1") = "6"
    & skf21("2","3","4","5","4","7","4","1") = "6"
    & skf21("2","3","4","5","4","7","5","1") = "6"
    & skf21("2","3","4","5","4","7","6","1") = "6"
    & skf21("2","3","4","5","4","7","7","1") = "6"
    & skf21("2","3","4","5","5","1","1","1") = "4"
    & skf21("2","3","4","5","5","1","2","1") = "4"
    & skf21("2","3","4","5","5","1","3","1") = "4"
    & skf21("2","3","4","5","5","1","4","1") = "4"
    & skf21("2","3","4","5","5","1","5","1") = "4"
    & skf21("2","3","4","5","5","1","6","1") = "5"
    & skf21("2","3","4","5","5","1","7","1") = "6"
    & skf21("2","3","4","5","5","2","1","1") = "4"
    & skf21("2","3","4","5","5","2","2","1") = "4"
    & skf21("2","3","4","5","5","2","3","1") = "4"
    & skf21("2","3","4","5","5","2","4","1") = "4"
    & skf21("2","3","4","5","5","2","5","1") = "4"
    & skf21("2","3","4","5","5","2","6","1") = "5"
    & skf21("2","3","4","5","5","2","7","1") = "6"
    & skf21("2","3","4","5","5","3","1","1") = "4"
    & skf21("2","3","4","5","5","3","2","1") = "4"
    & skf21("2","3","4","5","5","3","3","1") = "4"
    & skf21("2","3","4","5","5","3","4","1") = "4"
    & skf21("2","3","4","5","5","3","5","1") = "4"
    & skf21("2","3","4","5","5","3","6","1") = "5"
    & skf21("2","3","4","5","5","3","7","1") = "6"
    & skf21("2","3","4","5","5","4","1","1") = "4"
    & skf21("2","3","4","5","5","4","2","1") = "4"
    & skf21("2","3","4","5","5","4","3","1") = "4"
    & skf21("2","3","4","5","5","4","4","1") = "4"
    & skf21("2","3","4","5","5","4","5","1") = "4"
    & skf21("2","3","4","5","5","4","6","1") = "5"
    & skf21("2","3","4","5","5","4","7","1") = "6"
    & skf21("2","3","4","5","5","5","1","1") = "4"
    & skf21("2","3","4","5","5","5","2","1") = "4"
    & skf21("2","3","4","5","5","5","3","1") = "4"
    & skf21("2","3","4","5","5","5","4","1") = "4"
    & skf21("2","3","4","5","5","5","5","1") = "4"
    & skf21("2","3","4","5","5","5","6","1") = "5"
    & skf21("2","3","4","5","5","5","7","1") = "6"
    & skf21("2","3","4","5","5","6","1","1") = "5"
    & skf21("2","3","4","5","5","6","2","1") = "5"
    & skf21("2","3","4","5","5","6","3","1") = "5"
    & skf21("2","3","4","5","5","6","4","1") = "5"
    & skf21("2","3","4","5","5","6","5","1") = "5"
    & skf21("2","3","4","5","5","6","6","1") = "5"
    & skf21("2","3","4","5","5","6","7","1") = "6"
    & skf21("2","3","4","5","5","7","1","1") = "6"
    & skf21("2","3","4","5","5","7","2","1") = "6"
    & skf21("2","3","4","5","5","7","3","1") = "6"
    & skf21("2","3","4","5","5","7","4","1") = "6"
    & skf21("2","3","4","5","5","7","5","1") = "6"
    & skf21("2","3","4","5","5","7","6","1") = "6"
    & skf21("2","3","4","5","5","7","7","1") = "6"
    & skf21("2","3","4","5","6","1","1","1") = "5"
    & skf21("2","3","4","5","6","1","2","1") = "5"
    & skf21("2","3","4","5","6","1","3","1") = "5"
    & skf21("2","3","4","5","6","1","4","1") = "5"
    & skf21("2","3","4","5","6","1","5","1") = "5"
    & skf21("2","3","4","5","6","1","6","1") = "5"
    & skf21("2","3","4","5","6","1","7","1") = "6"
    & skf21("2","3","4","5","6","2","1","1") = "5"
    & skf21("2","3","4","5","6","2","2","1") = "5"
    & skf21("2","3","4","5","6","2","3","1") = "5"
    & skf21("2","3","4","5","6","2","4","1") = "5"
    & skf21("2","3","4","5","6","2","5","1") = "5"
    & skf21("2","3","4","5","6","2","6","1") = "5"
    & skf21("2","3","4","5","6","2","7","1") = "6"
    & skf21("2","3","4","5","6","3","1","1") = "5"
    & skf21("2","3","4","5","6","3","2","1") = "5"
    & skf21("2","3","4","5","6","3","3","1") = "5"
    & skf21("2","3","4","5","6","3","4","1") = "5"
    & skf21("2","3","4","5","6","3","5","1") = "5"
    & skf21("2","3","4","5","6","3","6","1") = "5"
    & skf21("2","3","4","5","6","3","7","1") = "6"
    & skf21("2","3","4","5","6","4","1","1") = "5"
    & skf21("2","3","4","5","6","4","2","1") = "5"
    & skf21("2","3","4","5","6","4","3","1") = "5"
    & skf21("2","3","4","5","6","4","4","1") = "5"
    & skf21("2","3","4","5","6","4","5","1") = "5"
    & skf21("2","3","4","5","6","4","6","1") = "5"
    & skf21("2","3","4","5","6","4","7","1") = "6"
    & skf21("2","3","4","5","6","5","1","1") = "5"
    & skf21("2","3","4","5","6","5","2","1") = "5"
    & skf21("2","3","4","5","6","5","3","1") = "5"
    & skf21("2","3","4","5","6","5","4","1") = "5"
    & skf21("2","3","4","5","6","5","5","1") = "5"
    & skf21("2","3","4","5","6","5","6","1") = "5"
    & skf21("2","3","4","5","6","5","7","1") = "6"
    & skf21("2","3","4","5","6","6","1","1") = "5"
    & skf21("2","3","4","5","6","6","2","1") = "5"
    & skf21("2","3","4","5","6","6","3","1") = "5"
    & skf21("2","3","4","5","6","6","4","1") = "5"
    & skf21("2","3","4","5","6","6","5","1") = "5"
    & skf21("2","3","4","5","6","6","6","1") = "5"
    & skf21("2","3","4","5","6","6","7","1") = "6"
    & skf21("2","3","4","5","6","7","1","1") = "6"
    & skf21("2","3","4","5","6","7","2","1") = "6"
    & skf21("2","3","4","5","6","7","3","1") = "6"
    & skf21("2","3","4","5","6","7","4","1") = "6"
    & skf21("2","3","4","5","6","7","5","1") = "6"
    & skf21("2","3","4","5","6","7","6","1") = "6"
    & skf21("2","3","4","5","6","7","7","1") = "6"
    & skf21("2","3","4","5","7","1","1","1") = "6"
    & skf21("2","3","4","5","7","1","2","1") = "6"
    & skf21("2","3","4","5","7","1","3","1") = "6"
    & skf21("2","3","4","5","7","1","4","1") = "6"
    & skf21("2","3","4","5","7","1","5","1") = "6"
    & skf21("2","3","4","5","7","1","6","1") = "6"
    & skf21("2","3","4","5","7","1","7","1") = "6"
    & skf21("2","3","4","5","7","2","1","1") = "6"
    & skf21("2","3","4","5","7","2","2","1") = "6"
    & skf21("2","3","4","5","7","2","3","1") = "6"
    & skf21("2","3","4","5","7","2","4","1") = "6"
    & skf21("2","3","4","5","7","2","5","1") = "6"
    & skf21("2","3","4","5","7","2","6","1") = "6"
    & skf21("2","3","4","5","7","2","7","1") = "6"
    & skf21("2","3","4","5","7","3","1","1") = "6"
    & skf21("2","3","4","5","7","3","2","1") = "6"
    & skf21("2","3","4","5","7","3","3","1") = "6"
    & skf21("2","3","4","5","7","3","4","1") = "6"
    & skf21("2","3","4","5","7","3","5","1") = "6"
    & skf21("2","3","4","5","7","3","6","1") = "6"
    & skf21("2","3","4","5","7","3","7","1") = "6"
    & skf21("2","3","4","5","7","4","1","1") = "6"
    & skf21("2","3","4","5","7","4","2","1") = "6"
    & skf21("2","3","4","5","7","4","3","1") = "6"
    & skf21("2","3","4","5","7","4","4","1") = "6"
    & skf21("2","3","4","5","7","4","5","1") = "6"
    & skf21("2","3","4","5","7","4","6","1") = "6"
    & skf21("2","3","4","5","7","4","7","1") = "6"
    & skf21("2","3","4","5","7","5","1","1") = "6"
    & skf21("2","3","4","5","7","5","2","1") = "6"
    & skf21("2","3","4","5","7","5","3","1") = "6"
    & skf21("2","3","4","5","7","5","4","1") = "6"
    & skf21("2","3","4","5","7","5","5","1") = "6"
    & skf21("2","3","4","5","7","5","6","1") = "6"
    & skf21("2","3","4","5","7","5","7","1") = "6"
    & skf21("2","3","4","5","7","6","1","1") = "6"
    & skf21("2","3","4","5","7","6","2","1") = "6"
    & skf21("2","3","4","5","7","6","3","1") = "6"
    & skf21("2","3","4","5","7","6","4","1") = "6"
    & skf21("2","3","4","5","7","6","5","1") = "6"
    & skf21("2","3","4","5","7","6","6","1") = "6"
    & skf21("2","3","4","5","7","6","7","1") = "6"
    & skf21("2","3","4","5","7","7","1","1") = "6"
    & skf21("2","3","4","5","7","7","2","1") = "6"
    & skf21("2","3","4","5","7","7","3","1") = "6"
    & skf21("2","3","4","5","7","7","4","1") = "6"
    & skf21("2","3","4","5","7","7","5","1") = "6"
    & skf21("2","3","4","5","7","7","6","1") = "6"
    & skf21("2","3","4","5","7","7","7","1") = "6"
    & skf21("2","3","4","6","1","1","1","1") = "5"
    & skf21("2","3","4","6","1","1","2","1") = "5"
    & skf21("2","3","4","6","1","1","3","1") = "5"
    & skf21("2","3","4","6","1","1","4","1") = "5"
    & skf21("2","3","4","6","1","1","5","1") = "5"
    & skf21("2","3","4","6","1","1","6","1") = "5"
    & skf21("2","3","4","6","1","1","7","1") = "6"
    & skf21("2","3","4","6","1","2","1","1") = "5"
    & skf21("2","3","4","6","1","2","2","1") = "5"
    & skf21("2","3","4","6","1","2","3","1") = "5"
    & skf21("2","3","4","6","1","2","4","1") = "5"
    & skf21("2","3","4","6","1","2","5","1") = "5"
    & skf21("2","3","4","6","1","2","6","1") = "5"
    & skf21("2","3","4","6","1","2","7","1") = "6"
    & skf21("2","3","4","6","1","3","1","1") = "5"
    & skf21("2","3","4","6","1","3","2","1") = "5"
    & skf21("2","3","4","6","1","3","3","1") = "5"
    & skf21("2","3","4","6","1","3","4","1") = "5"
    & skf21("2","3","4","6","1","3","5","1") = "5"
    & skf21("2","3","4","6","1","3","6","1") = "5"
    & skf21("2","3","4","6","1","3","7","1") = "6"
    & skf21("2","3","4","6","1","4","1","1") = "5"
    & skf21("2","3","4","6","1","4","2","1") = "5"
    & skf21("2","3","4","6","1","4","3","1") = "5"
    & skf21("2","3","4","6","1","4","4","1") = "5"
    & skf21("2","3","4","6","1","4","5","1") = "5"
    & skf21("2","3","4","6","1","4","6","1") = "5"
    & skf21("2","3","4","6","1","4","7","1") = "6"
    & skf21("2","3","4","6","1","5","1","1") = "5"
    & skf21("2","3","4","6","1","5","2","1") = "5"
    & skf21("2","3","4","6","1","5","3","1") = "5"
    & skf21("2","3","4","6","1","5","4","1") = "5"
    & skf21("2","3","4","6","1","5","5","1") = "5"
    & skf21("2","3","4","6","1","5","6","1") = "5"
    & skf21("2","3","4","6","1","5","7","1") = "6"
    & skf21("2","3","4","6","1","6","1","1") = "5"
    & skf21("2","3","4","6","1","6","2","1") = "5"
    & skf21("2","3","4","6","1","6","3","1") = "5"
    & skf21("2","3","4","6","1","6","4","1") = "5"
    & skf21("2","3","4","6","1","6","5","1") = "5"
    & skf21("2","3","4","6","1","6","6","1") = "5"
    & skf21("2","3","4","6","1","6","7","1") = "6"
    & skf21("2","3","4","6","1","7","1","1") = "6"
    & skf21("2","3","4","6","1","7","2","1") = "6"
    & skf21("2","3","4","6","1","7","3","1") = "6"
    & skf21("2","3","4","6","1","7","4","1") = "6"
    & skf21("2","3","4","6","1","7","5","1") = "6"
    & skf21("2","3","4","6","1","7","6","1") = "6"
    & skf21("2","3","4","6","1","7","7","1") = "6"
    & skf21("2","3","4","6","2","1","1","1") = "5"
    & skf21("2","3","4","6","2","1","2","1") = "5"
    & skf21("2","3","4","6","2","1","3","1") = "5"
    & skf21("2","3","4","6","2","1","4","1") = "5"
    & skf21("2","3","4","6","2","1","5","1") = "5"
    & skf21("2","3","4","6","2","1","6","1") = "5"
    & skf21("2","3","4","6","2","1","7","1") = "6"
    & skf21("2","3","4","6","2","2","1","1") = "5"
    & skf21("2","3","4","6","2","2","2","1") = "5"
    & skf21("2","3","4","6","2","2","3","1") = "5"
    & skf21("2","3","4","6","2","2","4","1") = "5"
    & skf21("2","3","4","6","2","2","5","1") = "5"
    & skf21("2","3","4","6","2","2","6","1") = "5"
    & skf21("2","3","4","6","2","2","7","1") = "6"
    & skf21("2","3","4","6","2","3","1","1") = "5"
    & skf21("2","3","4","6","2","3","2","1") = "5"
    & skf21("2","3","4","6","2","3","3","1") = "5"
    & skf21("2","3","4","6","2","3","4","1") = "5"
    & skf21("2","3","4","6","2","3","5","1") = "5"
    & skf21("2","3","4","6","2","3","6","1") = "5"
    & skf21("2","3","4","6","2","3","7","1") = "6"
    & skf21("2","3","4","6","2","4","1","1") = "5"
    & skf21("2","3","4","6","2","4","2","1") = "5"
    & skf21("2","3","4","6","2","4","3","1") = "5"
    & skf21("2","3","4","6","2","4","4","1") = "5"
    & skf21("2","3","4","6","2","4","5","1") = "5"
    & skf21("2","3","4","6","2","4","6","1") = "5"
    & skf21("2","3","4","6","2","4","7","1") = "6"
    & skf21("2","3","4","6","2","5","1","1") = "5"
    & skf21("2","3","4","6","2","5","2","1") = "5"
    & skf21("2","3","4","6","2","5","3","1") = "5"
    & skf21("2","3","4","6","2","5","4","1") = "5"
    & skf21("2","3","4","6","2","5","5","1") = "5"
    & skf21("2","3","4","6","2","5","6","1") = "5"
    & skf21("2","3","4","6","2","5","7","1") = "6"
    & skf21("2","3","4","6","2","6","1","1") = "5"
    & skf21("2","3","4","6","2","6","2","1") = "5"
    & skf21("2","3","4","6","2","6","3","1") = "5"
    & skf21("2","3","4","6","2","6","4","1") = "5"
    & skf21("2","3","4","6","2","6","5","1") = "5"
    & skf21("2","3","4","6","2","6","6","1") = "5"
    & skf21("2","3","4","6","2","6","7","1") = "6"
    & skf21("2","3","4","6","2","7","1","1") = "6"
    & skf21("2","3","4","6","2","7","2","1") = "6"
    & skf21("2","3","4","6","2","7","3","1") = "6"
    & skf21("2","3","4","6","2","7","4","1") = "6"
    & skf21("2","3","4","6","2","7","5","1") = "6"
    & skf21("2","3","4","6","2","7","6","1") = "6"
    & skf21("2","3","4","6","2","7","7","1") = "6"
    & skf21("2","3","4","6","3","1","1","1") = "5"
    & skf21("2","3","4","6","3","1","2","1") = "5"
    & skf21("2","3","4","6","3","1","3","1") = "5"
    & skf21("2","3","4","6","3","1","4","1") = "5"
    & skf21("2","3","4","6","3","1","5","1") = "5"
    & skf21("2","3","4","6","3","1","6","1") = "5"
    & skf21("2","3","4","6","3","1","7","1") = "6"
    & skf21("2","3","4","6","3","2","1","1") = "5"
    & skf21("2","3","4","6","3","2","2","1") = "5"
    & skf21("2","3","4","6","3","2","3","1") = "5"
    & skf21("2","3","4","6","3","2","4","1") = "5"
    & skf21("2","3","4","6","3","2","5","1") = "5"
    & skf21("2","3","4","6","3","2","6","1") = "5"
    & skf21("2","3","4","6","3","2","7","1") = "6"
    & skf21("2","3","4","6","3","3","1","1") = "5"
    & skf21("2","3","4","6","3","3","2","1") = "5"
    & skf21("2","3","4","6","3","3","3","1") = "5"
    & skf21("2","3","4","6","3","3","4","1") = "5"
    & skf21("2","3","4","6","3","3","5","1") = "5"
    & skf21("2","3","4","6","3","3","6","1") = "5"
    & skf21("2","3","4","6","3","3","7","1") = "6"
    & skf21("2","3","4","6","3","4","1","1") = "5"
    & skf21("2","3","4","6","3","4","2","1") = "5"
    & skf21("2","3","4","6","3","4","3","1") = "5"
    & skf21("2","3","4","6","3","4","4","1") = "5"
    & skf21("2","3","4","6","3","4","5","1") = "5"
    & skf21("2","3","4","6","3","4","6","1") = "5"
    & skf21("2","3","4","6","3","4","7","1") = "6"
    & skf21("2","3","4","6","3","5","1","1") = "5"
    & skf21("2","3","4","6","3","5","2","1") = "5"
    & skf21("2","3","4","6","3","5","3","1") = "5"
    & skf21("2","3","4","6","3","5","4","1") = "5"
    & skf21("2","3","4","6","3","5","5","1") = "5"
    & skf21("2","3","4","6","3","5","6","1") = "5"
    & skf21("2","3","4","6","3","5","7","1") = "6"
    & skf21("2","3","4","6","3","6","1","1") = "5"
    & skf21("2","3","4","6","3","6","2","1") = "5"
    & skf21("2","3","4","6","3","6","3","1") = "5"
    & skf21("2","3","4","6","3","6","4","1") = "5"
    & skf21("2","3","4","6","3","6","5","1") = "5"
    & skf21("2","3","4","6","3","6","6","1") = "5"
    & skf21("2","3","4","6","3","6","7","1") = "6"
    & skf21("2","3","4","6","3","7","1","1") = "6"
    & skf21("2","3","4","6","3","7","2","1") = "6"
    & skf21("2","3","4","6","3","7","3","1") = "6"
    & skf21("2","3","4","6","3","7","4","1") = "6"
    & skf21("2","3","4","6","3","7","5","1") = "6"
    & skf21("2","3","4","6","3","7","6","1") = "6"
    & skf21("2","3","4","6","3","7","7","1") = "6"
    & skf21("2","3","4","6","4","1","1","1") = "5"
    & skf21("2","3","4","6","4","1","2","1") = "5"
    & skf21("2","3","4","6","4","1","3","1") = "5"
    & skf21("2","3","4","6","4","1","4","1") = "5"
    & skf21("2","3","4","6","4","1","5","1") = "5"
    & skf21("2","3","4","6","4","1","6","1") = "5"
    & skf21("2","3","4","6","4","1","7","1") = "6"
    & skf21("2","3","4","6","4","2","1","1") = "5"
    & skf21("2","3","4","6","4","2","2","1") = "5"
    & skf21("2","3","4","6","4","2","3","1") = "5"
    & skf21("2","3","4","6","4","2","4","1") = "5"
    & skf21("2","3","4","6","4","2","5","1") = "5"
    & skf21("2","3","4","6","4","2","6","1") = "5"
    & skf21("2","3","4","6","4","2","7","1") = "6"
    & skf21("2","3","4","6","4","3","1","1") = "5"
    & skf21("2","3","4","6","4","3","2","1") = "5"
    & skf21("2","3","4","6","4","3","3","1") = "5"
    & skf21("2","3","4","6","4","3","4","1") = "5"
    & skf21("2","3","4","6","4","3","5","1") = "5"
    & skf21("2","3","4","6","4","3","6","1") = "5"
    & skf21("2","3","4","6","4","3","7","1") = "6"
    & skf21("2","3","4","6","4","4","1","1") = "5"
    & skf21("2","3","4","6","4","4","2","1") = "5"
    & skf21("2","3","4","6","4","4","3","1") = "5"
    & skf21("2","3","4","6","4","4","4","1") = "5"
    & skf21("2","3","4","6","4","4","5","1") = "5"
    & skf21("2","3","4","6","4","4","6","1") = "5"
    & skf21("2","3","4","6","4","4","7","1") = "6"
    & skf21("2","3","4","6","4","5","1","1") = "5"
    & skf21("2","3","4","6","4","5","2","1") = "5"
    & skf21("2","3","4","6","4","5","3","1") = "5"
    & skf21("2","3","4","6","4","5","4","1") = "5"
    & skf21("2","3","4","6","4","5","5","1") = "5"
    & skf21("2","3","4","6","4","5","6","1") = "5"
    & skf21("2","3","4","6","4","5","7","1") = "6"
    & skf21("2","3","4","6","4","6","1","1") = "5"
    & skf21("2","3","4","6","4","6","2","1") = "5"
    & skf21("2","3","4","6","4","6","3","1") = "5"
    & skf21("2","3","4","6","4","6","4","1") = "5"
    & skf21("2","3","4","6","4","6","5","1") = "5"
    & skf21("2","3","4","6","4","6","6","1") = "5"
    & skf21("2","3","4","6","4","6","7","1") = "6"
    & skf21("2","3","4","6","4","7","1","1") = "6"
    & skf21("2","3","4","6","4","7","2","1") = "6"
    & skf21("2","3","4","6","4","7","3","1") = "6"
    & skf21("2","3","4","6","4","7","4","1") = "6"
    & skf21("2","3","4","6","4","7","5","1") = "6"
    & skf21("2","3","4","6","4","7","6","1") = "6"
    & skf21("2","3","4","6","4","7","7","1") = "6"
    & skf21("2","3","4","6","5","1","1","1") = "5"
    & skf21("2","3","4","6","5","1","2","1") = "5"
    & skf21("2","3","4","6","5","1","3","1") = "5"
    & skf21("2","3","4","6","5","1","4","1") = "5"
    & skf21("2","3","4","6","5","1","5","1") = "5"
    & skf21("2","3","4","6","5","1","6","1") = "5"
    & skf21("2","3","4","6","5","1","7","1") = "6"
    & skf21("2","3","4","6","5","2","1","1") = "5"
    & skf21("2","3","4","6","5","2","2","1") = "5"
    & skf21("2","3","4","6","5","2","3","1") = "5"
    & skf21("2","3","4","6","5","2","4","1") = "5"
    & skf21("2","3","4","6","5","2","5","1") = "5"
    & skf21("2","3","4","6","5","2","6","1") = "5"
    & skf21("2","3","4","6","5","2","7","1") = "6"
    & skf21("2","3","4","6","5","3","1","1") = "5"
    & skf21("2","3","4","6","5","3","2","1") = "5"
    & skf21("2","3","4","6","5","3","3","1") = "5"
    & skf21("2","3","4","6","5","3","4","1") = "5"
    & skf21("2","3","4","6","5","3","5","1") = "5"
    & skf21("2","3","4","6","5","3","6","1") = "5"
    & skf21("2","3","4","6","5","3","7","1") = "6"
    & skf21("2","3","4","6","5","4","1","1") = "5"
    & skf21("2","3","4","6","5","4","2","1") = "5"
    & skf21("2","3","4","6","5","4","3","1") = "5"
    & skf21("2","3","4","6","5","4","4","1") = "5"
    & skf21("2","3","4","6","5","4","5","1") = "5"
    & skf21("2","3","4","6","5","4","6","1") = "5"
    & skf21("2","3","4","6","5","4","7","1") = "6"
    & skf21("2","3","4","6","5","5","1","1") = "5"
    & skf21("2","3","4","6","5","5","2","1") = "5"
    & skf21("2","3","4","6","5","5","3","1") = "5"
    & skf21("2","3","4","6","5","5","4","1") = "5"
    & skf21("2","3","4","6","5","5","5","1") = "5"
    & skf21("2","3","4","6","5","5","6","1") = "5"
    & skf21("2","3","4","6","5","5","7","1") = "6"
    & skf21("2","3","4","6","5","6","1","1") = "5"
    & skf21("2","3","4","6","5","6","2","1") = "5"
    & skf21("2","3","4","6","5","6","3","1") = "5"
    & skf21("2","3","4","6","5","6","4","1") = "5"
    & skf21("2","3","4","6","5","6","5","1") = "5"
    & skf21("2","3","4","6","5","6","6","1") = "5"
    & skf21("2","3","4","6","5","6","7","1") = "6"
    & skf21("2","3","4","6","5","7","1","1") = "6"
    & skf21("2","3","4","6","5","7","2","1") = "6"
    & skf21("2","3","4","6","5","7","3","1") = "6"
    & skf21("2","3","4","6","5","7","4","1") = "6"
    & skf21("2","3","4","6","5","7","5","1") = "6"
    & skf21("2","3","4","6","5","7","6","1") = "6"
    & skf21("2","3","4","6","5","7","7","1") = "6"
    & skf21("2","3","4","6","6","1","1","1") = "5"
    & skf21("2","3","4","6","6","1","2","1") = "5"
    & skf21("2","3","4","6","6","1","3","1") = "5"
    & skf21("2","3","4","6","6","1","4","1") = "5"
    & skf21("2","3","4","6","6","1","5","1") = "5"
    & skf21("2","3","4","6","6","1","6","1") = "5"
    & skf21("2","3","4","6","6","1","7","1") = "6"
    & skf21("2","3","4","6","6","2","1","1") = "5"
    & skf21("2","3","4","6","6","2","2","1") = "5"
    & skf21("2","3","4","6","6","2","3","1") = "5"
    & skf21("2","3","4","6","6","2","4","1") = "5"
    & skf21("2","3","4","6","6","2","5","1") = "5"
    & skf21("2","3","4","6","6","2","6","1") = "5"
    & skf21("2","3","4","6","6","2","7","1") = "6"
    & skf21("2","3","4","6","6","3","1","1") = "5"
    & skf21("2","3","4","6","6","3","2","1") = "5"
    & skf21("2","3","4","6","6","3","3","1") = "5"
    & skf21("2","3","4","6","6","3","4","1") = "5"
    & skf21("2","3","4","6","6","3","5","1") = "5"
    & skf21("2","3","4","6","6","3","6","1") = "5"
    & skf21("2","3","4","6","6","3","7","1") = "6"
    & skf21("2","3","4","6","6","4","1","1") = "5"
    & skf21("2","3","4","6","6","4","2","1") = "5"
    & skf21("2","3","4","6","6","4","3","1") = "5"
    & skf21("2","3","4","6","6","4","4","1") = "5"
    & skf21("2","3","4","6","6","4","5","1") = "5"
    & skf21("2","3","4","6","6","4","6","1") = "5"
    & skf21("2","3","4","6","6","4","7","1") = "6"
    & skf21("2","3","4","6","6","5","1","1") = "5"
    & skf21("2","3","4","6","6","5","2","1") = "5"
    & skf21("2","3","4","6","6","5","3","1") = "5"
    & skf21("2","3","4","6","6","5","4","1") = "5"
    & skf21("2","3","4","6","6","5","5","1") = "5"
    & skf21("2","3","4","6","6","5","6","1") = "5"
    & skf21("2","3","4","6","6","5","7","1") = "6"
    & skf21("2","3","4","6","6","6","1","1") = "5"
    & skf21("2","3","4","6","6","6","2","1") = "5"
    & skf21("2","3","4","6","6","6","3","1") = "5"
    & skf21("2","3","4","6","6","6","4","1") = "5"
    & skf21("2","3","4","6","6","6","5","1") = "5"
    & skf21("2","3","4","6","6","6","6","1") = "5"
    & skf21("2","3","4","6","6","6","7","1") = "6"
    & skf21("2","3","4","6","6","7","1","1") = "6"
    & skf21("2","3","4","6","6","7","2","1") = "6"
    & skf21("2","3","4","6","6","7","3","1") = "6"
    & skf21("2","3","4","6","6","7","4","1") = "6"
    & skf21("2","3","4","6","6","7","5","1") = "6"
    & skf21("2","3","4","6","6","7","6","1") = "6"
    & skf21("2","3","4","6","6","7","7","1") = "6"
    & skf21("2","3","4","6","7","1","1","1") = "6"
    & skf21("2","3","4","6","7","1","2","1") = "6"
    & skf21("2","3","4","6","7","1","3","1") = "6"
    & skf21("2","3","4","6","7","1","4","1") = "6"
    & skf21("2","3","4","6","7","1","5","1") = "6"
    & skf21("2","3","4","6","7","1","6","1") = "6"
    & skf21("2","3","4","6","7","1","7","1") = "6"
    & skf21("2","3","4","6","7","2","1","1") = "6"
    & skf21("2","3","4","6","7","2","2","1") = "6"
    & skf21("2","3","4","6","7","2","3","1") = "6"
    & skf21("2","3","4","6","7","2","4","1") = "6"
    & skf21("2","3","4","6","7","2","5","1") = "6"
    & skf21("2","3","4","6","7","2","6","1") = "6"
    & skf21("2","3","4","6","7","2","7","1") = "6"
    & skf21("2","3","4","6","7","3","1","1") = "6"
    & skf21("2","3","4","6","7","3","2","1") = "6"
    & skf21("2","3","4","6","7","3","3","1") = "6"
    & skf21("2","3","4","6","7","3","4","1") = "6"
    & skf21("2","3","4","6","7","3","5","1") = "6"
    & skf21("2","3","4","6","7","3","6","1") = "6"
    & skf21("2","3","4","6","7","3","7","1") = "6"
    & skf21("2","3","4","6","7","4","1","1") = "6"
    & skf21("2","3","4","6","7","4","2","1") = "6"
    & skf21("2","3","4","6","7","4","3","1") = "6"
    & skf21("2","3","4","6","7","4","4","1") = "6"
    & skf21("2","3","4","6","7","4","5","1") = "6"
    & skf21("2","3","4","6","7","4","6","1") = "6"
    & skf21("2","3","4","6","7","4","7","1") = "6"
    & skf21("2","3","4","6","7","5","1","1") = "6"
    & skf21("2","3","4","6","7","5","2","1") = "6"
    & skf21("2","3","4","6","7","5","3","1") = "6"
    & skf21("2","3","4","6","7","5","4","1") = "6"
    & skf21("2","3","4","6","7","5","5","1") = "6"
    & skf21("2","3","4","6","7","5","6","1") = "6"
    & skf21("2","3","4","6","7","5","7","1") = "6"
    & skf21("2","3","4","6","7","6","1","1") = "6"
    & skf21("2","3","4","6","7","6","2","1") = "6"
    & skf21("2","3","4","6","7","6","3","1") = "6"
    & skf21("2","3","4","6","7","6","4","1") = "6"
    & skf21("2","3","4","6","7","6","5","1") = "6"
    & skf21("2","3","4","6","7","6","6","1") = "6"
    & skf21("2","3","4","6","7","6","7","1") = "6"
    & skf21("2","3","4","6","7","7","1","1") = "6"
    & skf21("2","3","4","6","7","7","2","1") = "6"
    & skf21("2","3","4","6","7","7","3","1") = "6"
    & skf21("2","3","4","6","7","7","4","1") = "6"
    & skf21("2","3","4","6","7","7","5","1") = "6"
    & skf21("2","3","4","6","7","7","6","1") = "6"
    & skf21("2","3","4","6","7","7","7","1") = "6"
    & skf21("2","3","4","7","1","1","1","1") = "6"
    & skf21("2","3","4","7","1","1","2","1") = "6"
    & skf21("2","3","4","7","1","1","3","1") = "6"
    & skf21("2","3","4","7","1","1","4","1") = "6"
    & skf21("2","3","4","7","1","1","5","1") = "6"
    & skf21("2","3","4","7","1","1","6","1") = "6"
    & skf21("2","3","4","7","1","1","7","1") = "6"
    & skf21("2","3","4","7","1","2","1","1") = "6"
    & skf21("2","3","4","7","1","2","2","1") = "6"
    & skf21("2","3","4","7","1","2","3","1") = "6"
    & skf21("2","3","4","7","1","2","4","1") = "6"
    & skf21("2","3","4","7","1","2","5","1") = "6"
    & skf21("2","3","4","7","1","2","6","1") = "6"
    & skf21("2","3","4","7","1","2","7","1") = "6"
    & skf21("2","3","4","7","1","3","1","1") = "6"
    & skf21("2","3","4","7","1","3","2","1") = "6"
    & skf21("2","3","4","7","1","3","3","1") = "6"
    & skf21("2","3","4","7","1","3","4","1") = "6"
    & skf21("2","3","4","7","1","3","5","1") = "6"
    & skf21("2","3","4","7","1","3","6","1") = "6"
    & skf21("2","3","4","7","1","3","7","1") = "6"
    & skf21("2","3","4","7","1","4","1","1") = "6"
    & skf21("2","3","4","7","1","4","2","1") = "6"
    & skf21("2","3","4","7","1","4","3","1") = "6"
    & skf21("2","3","4","7","1","4","4","1") = "6"
    & skf21("2","3","4","7","1","4","5","1") = "6"
    & skf21("2","3","4","7","1","4","6","1") = "6"
    & skf21("2","3","4","7","1","4","7","1") = "6"
    & skf21("2","3","4","7","1","5","1","1") = "6"
    & skf21("2","3","4","7","1","5","2","1") = "6"
    & skf21("2","3","4","7","1","5","3","1") = "6"
    & skf21("2","3","4","7","1","5","4","1") = "6"
    & skf21("2","3","4","7","1","5","5","1") = "6"
    & skf21("2","3","4","7","1","5","6","1") = "6"
    & skf21("2","3","4","7","1","5","7","1") = "6"
    & skf21("2","3","4","7","1","6","1","1") = "6"
    & skf21("2","3","4","7","1","6","2","1") = "6"
    & skf21("2","3","4","7","1","6","3","1") = "6"
    & skf21("2","3","4","7","1","6","4","1") = "6"
    & skf21("2","3","4","7","1","6","5","1") = "6"
    & skf21("2","3","4","7","1","6","6","1") = "6"
    & skf21("2","3","4","7","1","6","7","1") = "6"
    & skf21("2","3","4","7","1","7","1","1") = "6"
    & skf21("2","3","4","7","1","7","2","1") = "6"
    & skf21("2","3","4","7","1","7","3","1") = "6"
    & skf21("2","3","4","7","1","7","4","1") = "6"
    & skf21("2","3","4","7","1","7","5","1") = "6"
    & skf21("2","3","4","7","1","7","6","1") = "6"
    & skf21("2","3","4","7","1","7","7","1") = "6"
    & skf21("2","3","4","7","2","1","1","1") = "6"
    & skf21("2","3","4","7","2","1","2","1") = "6"
    & skf21("2","3","4","7","2","1","3","1") = "6"
    & skf21("2","3","4","7","2","1","4","1") = "6"
    & skf21("2","3","4","7","2","1","5","1") = "6"
    & skf21("2","3","4","7","2","1","6","1") = "6"
    & skf21("2","3","4","7","2","1","7","1") = "6"
    & skf21("2","3","4","7","2","2","1","1") = "6"
    & skf21("2","3","4","7","2","2","2","1") = "6"
    & skf21("2","3","4","7","2","2","3","1") = "6"
    & skf21("2","3","4","7","2","2","4","1") = "6"
    & skf21("2","3","4","7","2","2","5","1") = "6"
    & skf21("2","3","4","7","2","2","6","1") = "6"
    & skf21("2","3","4","7","2","2","7","1") = "6"
    & skf21("2","3","4","7","2","3","1","1") = "6"
    & skf21("2","3","4","7","2","3","2","1") = "6"
    & skf21("2","3","4","7","2","3","3","1") = "6"
    & skf21("2","3","4","7","2","3","4","1") = "6"
    & skf21("2","3","4","7","2","3","5","1") = "6"
    & skf21("2","3","4","7","2","3","6","1") = "6"
    & skf21("2","3","4","7","2","3","7","1") = "6"
    & skf21("2","3","4","7","2","4","1","1") = "6"
    & skf21("2","3","4","7","2","4","2","1") = "6"
    & skf21("2","3","4","7","2","4","3","1") = "6"
    & skf21("2","3","4","7","2","4","4","1") = "6"
    & skf21("2","3","4","7","2","4","5","1") = "6"
    & skf21("2","3","4","7","2","4","6","1") = "6"
    & skf21("2","3","4","7","2","4","7","1") = "6"
    & skf21("2","3","4","7","2","5","1","1") = "6"
    & skf21("2","3","4","7","2","5","2","1") = "6"
    & skf21("2","3","4","7","2","5","3","1") = "6"
    & skf21("2","3","4","7","2","5","4","1") = "6"
    & skf21("2","3","4","7","2","5","5","1") = "6"
    & skf21("2","3","4","7","2","5","6","1") = "6"
    & skf21("2","3","4","7","2","5","7","1") = "6"
    & skf21("2","3","4","7","2","6","1","1") = "6"
    & skf21("2","3","4","7","2","6","2","1") = "6"
    & skf21("2","3","4","7","2","6","3","1") = "6"
    & skf21("2","3","4","7","2","6","4","1") = "6"
    & skf21("2","3","4","7","2","6","5","1") = "6"
    & skf21("2","3","4","7","2","6","6","1") = "6"
    & skf21("2","3","4","7","2","6","7","1") = "6"
    & skf21("2","3","4","7","2","7","1","1") = "6"
    & skf21("2","3","4","7","2","7","2","1") = "6"
    & skf21("2","3","4","7","2","7","3","1") = "6"
    & skf21("2","3","4","7","2","7","4","1") = "6"
    & skf21("2","3","4","7","2","7","5","1") = "6"
    & skf21("2","3","4","7","2","7","6","1") = "6"
    & skf21("2","3","4","7","2","7","7","1") = "6"
    & skf21("2","3","4","7","3","1","1","1") = "6"
    & skf21("2","3","4","7","3","1","2","1") = "6"
    & skf21("2","3","4","7","3","1","3","1") = "6"
    & skf21("2","3","4","7","3","1","4","1") = "6"
    & skf21("2","3","4","7","3","1","5","1") = "6"
    & skf21("2","3","4","7","3","1","6","1") = "6"
    & skf21("2","3","4","7","3","1","7","1") = "6"
    & skf21("2","3","4","7","3","2","1","1") = "6"
    & skf21("2","3","4","7","3","2","2","1") = "6"
    & skf21("2","3","4","7","3","2","3","1") = "6"
    & skf21("2","3","4","7","3","2","4","1") = "6"
    & skf21("2","3","4","7","3","2","5","1") = "6"
    & skf21("2","3","4","7","3","2","6","1") = "6"
    & skf21("2","3","4","7","3","2","7","1") = "6"
    & skf21("2","3","4","7","3","3","1","1") = "6"
    & skf21("2","3","4","7","3","3","2","1") = "6"
    & skf21("2","3","4","7","3","3","3","1") = "6"
    & skf21("2","3","4","7","3","3","4","1") = "6"
    & skf21("2","3","4","7","3","3","5","1") = "6"
    & skf21("2","3","4","7","3","3","6","1") = "6"
    & skf21("2","3","4","7","3","3","7","1") = "6"
    & skf21("2","3","4","7","3","4","1","1") = "6"
    & skf21("2","3","4","7","3","4","2","1") = "6"
    & skf21("2","3","4","7","3","4","3","1") = "6"
    & skf21("2","3","4","7","3","4","4","1") = "6"
    & skf21("2","3","4","7","3","4","5","1") = "6"
    & skf21("2","3","4","7","3","4","6","1") = "6"
    & skf21("2","3","4","7","3","4","7","1") = "6"
    & skf21("2","3","4","7","3","5","1","1") = "6"
    & skf21("2","3","4","7","3","5","2","1") = "6"
    & skf21("2","3","4","7","3","5","3","1") = "6"
    & skf21("2","3","4","7","3","5","4","1") = "6"
    & skf21("2","3","4","7","3","5","5","1") = "6"
    & skf21("2","3","4","7","3","5","6","1") = "6"
    & skf21("2","3","4","7","3","5","7","1") = "6"
    & skf21("2","3","4","7","3","6","1","1") = "6"
    & skf21("2","3","4","7","3","6","2","1") = "6"
    & skf21("2","3","4","7","3","6","3","1") = "6"
    & skf21("2","3","4","7","3","6","4","1") = "6"
    & skf21("2","3","4","7","3","6","5","1") = "6"
    & skf21("2","3","4","7","3","6","6","1") = "6"
    & skf21("2","3","4","7","3","6","7","1") = "6"
    & skf21("2","3","4","7","3","7","1","1") = "6"
    & skf21("2","3","4","7","3","7","2","1") = "6"
    & skf21("2","3","4","7","3","7","3","1") = "6"
    & skf21("2","3","4","7","3","7","4","1") = "6"
    & skf21("2","3","4","7","3","7","5","1") = "6"
    & skf21("2","3","4","7","3","7","6","1") = "6"
    & skf21("2","3","4","7","3","7","7","1") = "6"
    & skf21("2","3","4","7","4","1","1","1") = "6"
    & skf21("2","3","4","7","4","1","2","1") = "6"
    & skf21("2","3","4","7","4","1","3","1") = "6"
    & skf21("2","3","4","7","4","1","4","1") = "6"
    & skf21("2","3","4","7","4","1","5","1") = "6"
    & skf21("2","3","4","7","4","1","6","1") = "6"
    & skf21("2","3","4","7","4","1","7","1") = "6"
    & skf21("2","3","4","7","4","2","1","1") = "6"
    & skf21("2","3","4","7","4","2","2","1") = "6"
    & skf21("2","3","4","7","4","2","3","1") = "6"
    & skf21("2","3","4","7","4","2","4","1") = "6"
    & skf21("2","3","4","7","4","2","5","1") = "6"
    & skf21("2","3","4","7","4","2","6","1") = "6"
    & skf21("2","3","4","7","4","2","7","1") = "6"
    & skf21("2","3","4","7","4","3","1","1") = "6"
    & skf21("2","3","4","7","4","3","2","1") = "6"
    & skf21("2","3","4","7","4","3","3","1") = "6"
    & skf21("2","3","4","7","4","3","4","1") = "6"
    & skf21("2","3","4","7","4","3","5","1") = "6"
    & skf21("2","3","4","7","4","3","6","1") = "6"
    & skf21("2","3","4","7","4","3","7","1") = "6"
    & skf21("2","3","4","7","4","4","1","1") = "6"
    & skf21("2","3","4","7","4","4","2","1") = "6"
    & skf21("2","3","4","7","4","4","3","1") = "6"
    & skf21("2","3","4","7","4","4","4","1") = "6"
    & skf21("2","3","4","7","4","4","5","1") = "6"
    & skf21("2","3","4","7","4","4","6","1") = "6"
    & skf21("2","3","4","7","4","4","7","1") = "6"
    & skf21("2","3","4","7","4","5","1","1") = "6"
    & skf21("2","3","4","7","4","5","2","1") = "6"
    & skf21("2","3","4","7","4","5","3","1") = "6"
    & skf21("2","3","4","7","4","5","4","1") = "6"
    & skf21("2","3","4","7","4","5","5","1") = "6"
    & skf21("2","3","4","7","4","5","6","1") = "6"
    & skf21("2","3","4","7","4","5","7","1") = "6"
    & skf21("2","3","4","7","4","6","1","1") = "6"
    & skf21("2","3","4","7","4","6","2","1") = "6"
    & skf21("2","3","4","7","4","6","3","1") = "6"
    & skf21("2","3","4","7","4","6","4","1") = "6"
    & skf21("2","3","4","7","4","6","5","1") = "6"
    & skf21("2","3","4","7","4","6","6","1") = "6"
    & skf21("2","3","4","7","4","6","7","1") = "6"
    & skf21("2","3","4","7","4","7","1","1") = "6"
    & skf21("2","3","4","7","4","7","2","1") = "6"
    & skf21("2","3","4","7","4","7","3","1") = "6"
    & skf21("2","3","4","7","4","7","4","1") = "6"
    & skf21("2","3","4","7","4","7","5","1") = "6"
    & skf21("2","3","4","7","4","7","6","1") = "6"
    & skf21("2","3","4","7","4","7","7","1") = "6"
    & skf21("2","3","4","7","5","1","1","1") = "6"
    & skf21("2","3","4","7","5","1","2","1") = "6"
    & skf21("2","3","4","7","5","1","3","1") = "6"
    & skf21("2","3","4","7","5","1","4","1") = "6"
    & skf21("2","3","4","7","5","1","5","1") = "6"
    & skf21("2","3","4","7","5","1","6","1") = "6"
    & skf21("2","3","4","7","5","1","7","1") = "6"
    & skf21("2","3","4","7","5","2","1","1") = "6"
    & skf21("2","3","4","7","5","2","2","1") = "6"
    & skf21("2","3","4","7","5","2","3","1") = "6"
    & skf21("2","3","4","7","5","2","4","1") = "6"
    & skf21("2","3","4","7","5","2","5","1") = "6"
    & skf21("2","3","4","7","5","2","6","1") = "6"
    & skf21("2","3","4","7","5","2","7","1") = "6"
    & skf21("2","3","4","7","5","3","1","1") = "6"
    & skf21("2","3","4","7","5","3","2","1") = "6"
    & skf21("2","3","4","7","5","3","3","1") = "6"
    & skf21("2","3","4","7","5","3","4","1") = "6"
    & skf21("2","3","4","7","5","3","5","1") = "6"
    & skf21("2","3","4","7","5","3","6","1") = "6"
    & skf21("2","3","4","7","5","3","7","1") = "6"
    & skf21("2","3","4","7","5","4","1","1") = "6"
    & skf21("2","3","4","7","5","4","2","1") = "6"
    & skf21("2","3","4","7","5","4","3","1") = "6"
    & skf21("2","3","4","7","5","4","4","1") = "6"
    & skf21("2","3","4","7","5","4","5","1") = "6"
    & skf21("2","3","4","7","5","4","6","1") = "6"
    & skf21("2","3","4","7","5","4","7","1") = "6"
    & skf21("2","3","4","7","5","5","1","1") = "6"
    & skf21("2","3","4","7","5","5","2","1") = "6"
    & skf21("2","3","4","7","5","5","3","1") = "6"
    & skf21("2","3","4","7","5","5","4","1") = "6"
    & skf21("2","3","4","7","5","5","5","1") = "6"
    & skf21("2","3","4","7","5","5","6","1") = "6"
    & skf21("2","3","4","7","5","5","7","1") = "6"
    & skf21("2","3","4","7","5","6","1","1") = "6"
    & skf21("2","3","4","7","5","6","2","1") = "6"
    & skf21("2","3","4","7","5","6","3","1") = "6"
    & skf21("2","3","4","7","5","6","4","1") = "6"
    & skf21("2","3","4","7","5","6","5","1") = "6"
    & skf21("2","3","4","7","5","6","6","1") = "6"
    & skf21("2","3","4","7","5","6","7","1") = "6"
    & skf21("2","3","4","7","5","7","1","1") = "6"
    & skf21("2","3","4","7","5","7","2","1") = "6"
    & skf21("2","3","4","7","5","7","3","1") = "6"
    & skf21("2","3","4","7","5","7","4","1") = "6"
    & skf21("2","3","4","7","5","7","5","1") = "6"
    & skf21("2","3","4","7","5","7","6","1") = "6"
    & skf21("2","3","4","7","5","7","7","1") = "6"
    & skf21("2","3","4","7","6","1","1","1") = "6"
    & skf21("2","3","4","7","6","1","2","1") = "6"
    & skf21("2","3","4","7","6","1","3","1") = "6"
    & skf21("2","3","4","7","6","1","4","1") = "6"
    & skf21("2","3","4","7","6","1","5","1") = "6"
    & skf21("2","3","4","7","6","1","6","1") = "6"
    & skf21("2","3","4","7","6","1","7","1") = "6"
    & skf21("2","3","4","7","6","2","1","1") = "6"
    & skf21("2","3","4","7","6","2","2","1") = "6"
    & skf21("2","3","4","7","6","2","3","1") = "6"
    & skf21("2","3","4","7","6","2","4","1") = "6"
    & skf21("2","3","4","7","6","2","5","1") = "6"
    & skf21("2","3","4","7","6","2","6","1") = "6"
    & skf21("2","3","4","7","6","2","7","1") = "6"
    & skf21("2","3","4","7","6","3","1","1") = "6"
    & skf21("2","3","4","7","6","3","2","1") = "6"
    & skf21("2","3","4","7","6","3","3","1") = "6"
    & skf21("2","3","4","7","6","3","4","1") = "6"
    & skf21("2","3","4","7","6","3","5","1") = "6"
    & skf21("2","3","4","7","6","3","6","1") = "6"
    & skf21("2","3","4","7","6","3","7","1") = "6"
    & skf21("2","3","4","7","6","4","1","1") = "6"
    & skf21("2","3","4","7","6","4","2","1") = "6"
    & skf21("2","3","4","7","6","4","3","1") = "6"
    & skf21("2","3","4","7","6","4","4","1") = "6"
    & skf21("2","3","4","7","6","4","5","1") = "6"
    & skf21("2","3","4","7","6","4","6","1") = "6"
    & skf21("2","3","4","7","6","4","7","1") = "6"
    & skf21("2","3","4","7","6","5","1","1") = "6"
    & skf21("2","3","4","7","6","5","2","1") = "6"
    & skf21("2","3","4","7","6","5","3","1") = "6"
    & skf21("2","3","4","7","6","5","4","1") = "6"
    & skf21("2","3","4","7","6","5","5","1") = "6"
    & skf21("2","3","4","7","6","5","6","1") = "6"
    & skf21("2","3","4","7","6","5","7","1") = "6"
    & skf21("2","3","4","7","6","6","1","1") = "6"
    & skf21("2","3","4","7","6","6","2","1") = "6"
    & skf21("2","3","4","7","6","6","3","1") = "6"
    & skf21("2","3","4","7","6","6","4","1") = "6"
    & skf21("2","3","4","7","6","6","5","1") = "6"
    & skf21("2","3","4","7","6","6","6","1") = "6"
    & skf21("2","3","4","7","6","6","7","1") = "6"
    & skf21("2","3","4","7","6","7","1","1") = "6"
    & skf21("2","3","4","7","6","7","2","1") = "6"
    & skf21("2","3","4","7","6","7","3","1") = "6"
    & skf21("2","3","4","7","6","7","4","1") = "6"
    & skf21("2","3","4","7","6","7","5","1") = "6"
    & skf21("2","3","4","7","6","7","6","1") = "6"
    & skf21("2","3","4","7","6","7","7","1") = "6"
    & skf21("2","3","4","7","7","1","1","1") = "6"
    & skf21("2","3","4","7","7","1","2","1") = "6"
    & skf21("2","3","4","7","7","1","3","1") = "6"
    & skf21("2","3","4","7","7","1","4","1") = "6"
    & skf21("2","3","4","7","7","1","5","1") = "6"
    & skf21("2","3","4","7","7","1","6","1") = "6"
    & skf21("2","3","4","7","7","1","7","1") = "6"
    & skf21("2","3","4","7","7","2","1","1") = "6"
    & skf21("2","3","4","7","7","2","2","1") = "6"
    & skf21("2","3","4","7","7","2","3","1") = "6"
    & skf21("2","3","4","7","7","2","4","1") = "6"
    & skf21("2","3","4","7","7","2","5","1") = "6"
    & skf21("2","3","4","7","7","2","6","1") = "6"
    & skf21("2","3","4","7","7","2","7","1") = "6"
    & skf21("2","3","4","7","7","3","1","1") = "6"
    & skf21("2","3","4","7","7","3","2","1") = "6"
    & skf21("2","3","4","7","7","3","3","1") = "6"
    & skf21("2","3","4","7","7","3","4","1") = "6"
    & skf21("2","3","4","7","7","3","5","1") = "6"
    & skf21("2","3","4","7","7","3","6","1") = "6"
    & skf21("2","3","4","7","7","3","7","1") = "6"
    & skf21("2","3","4","7","7","4","1","1") = "6"
    & skf21("2","3","4","7","7","4","2","1") = "6"
    & skf21("2","3","4","7","7","4","3","1") = "6"
    & skf21("2","3","4","7","7","4","4","1") = "6"
    & skf21("2","3","4","7","7","4","5","1") = "6"
    & skf21("2","3","4","7","7","4","6","1") = "6"
    & skf21("2","3","4","7","7","4","7","1") = "6"
    & skf21("2","3","4","7","7","5","1","1") = "6"
    & skf21("2","3","4","7","7","5","2","1") = "6"
    & skf21("2","3","4","7","7","5","3","1") = "6"
    & skf21("2","3","4","7","7","5","4","1") = "6"
    & skf21("2","3","4","7","7","5","5","1") = "6"
    & skf21("2","3","4","7","7","5","6","1") = "6"
    & skf21("2","3","4","7","7","5","7","1") = "6"
    & skf21("2","3","4","7","7","6","1","1") = "6"
    & skf21("2","3","4","7","7","6","2","1") = "6"
    & skf21("2","3","4","7","7","6","3","1") = "6"
    & skf21("2","3","4","7","7","6","4","1") = "6"
    & skf21("2","3","4","7","7","6","5","1") = "6"
    & skf21("2","3","4","7","7","6","6","1") = "6"
    & skf21("2","3","4","7","7","6","7","1") = "6"
    & skf21("2","3","4","7","7","7","1","1") = "6"
    & skf21("2","3","4","7","7","7","2","1") = "6"
    & skf21("2","3","4","7","7","7","3","1") = "6"
    & skf21("2","3","4","7","7","7","4","1") = "6"
    & skf21("2","3","4","7","7","7","5","1") = "6"
    & skf21("2","3","4","7","7","7","6","1") = "6"
    & skf21("2","3","4","7","7","7","7","1") = "6"
    & skf21("2","3","5","1","1","1","1","1") = "4"
    & skf21("2","3","5","1","1","1","2","1") = "4"
    & skf21("2","3","5","1","1","1","3","1") = "4"
    & skf21("2","3","5","1","1","1","4","1") = "4"
    & skf21("2","3","5","1","1","1","5","1") = "4"
    & skf21("2","3","5","1","1","1","6","1") = "5"
    & skf21("2","3","5","1","1","1","7","1") = "6"
    & skf21("2","3","5","1","1","2","1","1") = "4"
    & skf21("2","3","5","1","1","2","2","1") = "4"
    & skf21("2","3","5","1","1","2","3","1") = "4"
    & skf21("2","3","5","1","1","2","4","1") = "4"
    & skf21("2","3","5","1","1","2","5","1") = "4"
    & skf21("2","3","5","1","1","2","6","1") = "5"
    & skf21("2","3","5","1","1","2","7","1") = "6"
    & skf21("2","3","5","1","1","3","1","1") = "4"
    & skf21("2","3","5","1","1","3","2","1") = "4"
    & skf21("2","3","5","1","1","3","3","1") = "4"
    & skf21("2","3","5","1","1","3","4","1") = "4"
    & skf21("2","3","5","1","1","3","5","1") = "4"
    & skf21("2","3","5","1","1","3","6","1") = "5"
    & skf21("2","3","5","1","1","3","7","1") = "6"
    & skf21("2","3","5","1","1","4","1","1") = "4"
    & skf21("2","3","5","1","1","4","2","1") = "4"
    & skf21("2","3","5","1","1","4","3","1") = "4"
    & skf21("2","3","5","1","1","4","4","1") = "4"
    & skf21("2","3","5","1","1","4","5","1") = "4"
    & skf21("2","3","5","1","1","4","6","1") = "5"
    & skf21("2","3","5","1","1","4","7","1") = "6"
    & skf21("2","3","5","1","1","5","1","1") = "4"
    & skf21("2","3","5","1","1","5","2","1") = "4"
    & skf21("2","3","5","1","1","5","3","1") = "4"
    & skf21("2","3","5","1","1","5","4","1") = "4"
    & skf21("2","3","5","1","1","5","5","1") = "4"
    & skf21("2","3","5","1","1","5","6","1") = "5"
    & skf21("2","3","5","1","1","5","7","1") = "6"
    & skf21("2","3","5","1","1","6","1","1") = "5"
    & skf21("2","3","5","1","1","6","2","1") = "5"
    & skf21("2","3","5","1","1","6","3","1") = "5"
    & skf21("2","3","5","1","1","6","4","1") = "5"
    & skf21("2","3","5","1","1","6","5","1") = "5"
    & skf21("2","3","5","1","1","6","6","1") = "5"
    & skf21("2","3","5","1","1","6","7","1") = "6"
    & skf21("2","3","5","1","1","7","1","1") = "6"
    & skf21("2","3","5","1","1","7","2","1") = "6"
    & skf21("2","3","5","1","1","7","3","1") = "6"
    & skf21("2","3","5","1","1","7","4","1") = "6"
    & skf21("2","3","5","1","1","7","5","1") = "6"
    & skf21("2","3","5","1","1","7","6","1") = "6"
    & skf21("2","3","5","1","1","7","7","1") = "6"
    & skf21("2","3","5","1","2","1","1","1") = "4"
    & skf21("2","3","5","1","2","1","2","1") = "4"
    & skf21("2","3","5","1","2","1","3","1") = "4"
    & skf21("2","3","5","1","2","1","4","1") = "4"
    & skf21("2","3","5","1","2","1","5","1") = "4"
    & skf21("2","3","5","1","2","1","6","1") = "5"
    & skf21("2","3","5","1","2","1","7","1") = "6"
    & skf21("2","3","5","1","2","2","1","1") = "4"
    & skf21("2","3","5","1","2","2","2","1") = "4"
    & skf21("2","3","5","1","2","2","3","1") = "4"
    & skf21("2","3","5","1","2","2","4","1") = "4"
    & skf21("2","3","5","1","2","2","5","1") = "4"
    & skf21("2","3","5","1","2","2","6","1") = "5"
    & skf21("2","3","5","1","2","2","7","1") = "6"
    & skf21("2","3","5","1","2","3","1","1") = "4"
    & skf21("2","3","5","1","2","3","2","1") = "4"
    & skf21("2","3","5","1","2","3","3","1") = "4"
    & skf21("2","3","5","1","2","3","4","1") = "4"
    & skf21("2","3","5","1","2","3","5","1") = "4"
    & skf21("2","3","5","1","2","3","6","1") = "5"
    & skf21("2","3","5","1","2","3","7","1") = "6"
    & skf21("2","3","5","1","2","4","1","1") = "4"
    & skf21("2","3","5","1","2","4","2","1") = "4"
    & skf21("2","3","5","1","2","4","3","1") = "4"
    & skf21("2","3","5","1","2","4","4","1") = "4"
    & skf21("2","3","5","1","2","4","5","1") = "4"
    & skf21("2","3","5","1","2","4","6","1") = "5"
    & skf21("2","3","5","1","2","4","7","1") = "6"
    & skf21("2","3","5","1","2","5","1","1") = "4"
    & skf21("2","3","5","1","2","5","2","1") = "4"
    & skf21("2","3","5","1","2","5","3","1") = "4"
    & skf21("2","3","5","1","2","5","4","1") = "4"
    & skf21("2","3","5","1","2","5","5","1") = "4"
    & skf21("2","3","5","1","2","5","6","1") = "5"
    & skf21("2","3","5","1","2","5","7","1") = "6"
    & skf21("2","3","5","1","2","6","1","1") = "5"
    & skf21("2","3","5","1","2","6","2","1") = "5"
    & skf21("2","3","5","1","2","6","3","1") = "5"
    & skf21("2","3","5","1","2","6","4","1") = "5"
    & skf21("2","3","5","1","2","6","5","1") = "5"
    & skf21("2","3","5","1","2","6","6","1") = "5"
    & skf21("2","3","5","1","2","6","7","1") = "6"
    & skf21("2","3","5","1","2","7","1","1") = "6"
    & skf21("2","3","5","1","2","7","2","1") = "6"
    & skf21("2","3","5","1","2","7","3","1") = "6"
    & skf21("2","3","5","1","2","7","4","1") = "6"
    & skf21("2","3","5","1","2","7","5","1") = "6"
    & skf21("2","3","5","1","2","7","6","1") = "6"
    & skf21("2","3","5","1","2","7","7","1") = "6"
    & skf21("2","3","5","1","3","1","1","1") = "4"
    & skf21("2","3","5","1","3","1","2","1") = "4"
    & skf21("2","3","5","1","3","1","3","1") = "4"
    & skf21("2","3","5","1","3","1","4","1") = "4"
    & skf21("2","3","5","1","3","1","5","1") = "4"
    & skf21("2","3","5","1","3","1","6","1") = "5"
    & skf21("2","3","5","1","3","1","7","1") = "6"
    & skf21("2","3","5","1","3","2","1","1") = "4"
    & skf21("2","3","5","1","3","2","2","1") = "4"
    & skf21("2","3","5","1","3","2","3","1") = "4"
    & skf21("2","3","5","1","3","2","4","1") = "4"
    & skf21("2","3","5","1","3","2","5","1") = "4"
    & skf21("2","3","5","1","3","2","6","1") = "5"
    & skf21("2","3","5","1","3","2","7","1") = "6"
    & skf21("2","3","5","1","3","3","1","1") = "4"
    & skf21("2","3","5","1","3","3","2","1") = "4"
    & skf21("2","3","5","1","3","3","3","1") = "4"
    & skf21("2","3","5","1","3","3","4","1") = "4"
    & skf21("2","3","5","1","3","3","5","1") = "4"
    & skf21("2","3","5","1","3","3","6","1") = "5"
    & skf21("2","3","5","1","3","3","7","1") = "6"
    & skf21("2","3","5","1","3","4","1","1") = "4"
    & skf21("2","3","5","1","3","4","2","1") = "4"
    & skf21("2","3","5","1","3","4","3","1") = "4"
    & skf21("2","3","5","1","3","4","4","1") = "4"
    & skf21("2","3","5","1","3","4","5","1") = "4"
    & skf21("2","3","5","1","3","4","6","1") = "5"
    & skf21("2","3","5","1","3","4","7","1") = "6"
    & skf21("2","3","5","1","3","5","1","1") = "4"
    & skf21("2","3","5","1","3","5","2","1") = "4"
    & skf21("2","3","5","1","3","5","3","1") = "4"
    & skf21("2","3","5","1","3","5","4","1") = "4"
    & skf21("2","3","5","1","3","5","5","1") = "4"
    & skf21("2","3","5","1","3","5","6","1") = "5"
    & skf21("2","3","5","1","3","5","7","1") = "6"
    & skf21("2","3","5","1","3","6","1","1") = "5"
    & skf21("2","3","5","1","3","6","2","1") = "5"
    & skf21("2","3","5","1","3","6","3","1") = "5"
    & skf21("2","3","5","1","3","6","4","1") = "5"
    & skf21("2","3","5","1","3","6","5","1") = "5"
    & skf21("2","3","5","1","3","6","6","1") = "5"
    & skf21("2","3","5","1","3","6","7","1") = "6"
    & skf21("2","3","5","1","3","7","1","1") = "6"
    & skf21("2","3","5","1","3","7","2","1") = "6"
    & skf21("2","3","5","1","3","7","3","1") = "6"
    & skf21("2","3","5","1","3","7","4","1") = "6"
    & skf21("2","3","5","1","3","7","5","1") = "6"
    & skf21("2","3","5","1","3","7","6","1") = "6"
    & skf21("2","3","5","1","3","7","7","1") = "6"
    & skf21("2","3","5","1","4","1","1","1") = "4"
    & skf21("2","3","5","1","4","1","2","1") = "4"
    & skf21("2","3","5","1","4","1","3","1") = "4"
    & skf21("2","3","5","1","4","1","4","1") = "4"
    & skf21("2","3","5","1","4","1","5","1") = "4"
    & skf21("2","3","5","1","4","1","6","1") = "5"
    & skf21("2","3","5","1","4","1","7","1") = "6"
    & skf21("2","3","5","1","4","2","1","1") = "4"
    & skf21("2","3","5","1","4","2","2","1") = "4"
    & skf21("2","3","5","1","4","2","3","1") = "4"
    & skf21("2","3","5","1","4","2","4","1") = "4"
    & skf21("2","3","5","1","4","2","5","1") = "4"
    & skf21("2","3","5","1","4","2","6","1") = "5"
    & skf21("2","3","5","1","4","2","7","1") = "6"
    & skf21("2","3","5","1","4","3","1","1") = "4"
    & skf21("2","3","5","1","4","3","2","1") = "4"
    & skf21("2","3","5","1","4","3","3","1") = "4"
    & skf21("2","3","5","1","4","3","4","1") = "4"
    & skf21("2","3","5","1","4","3","5","1") = "4"
    & skf21("2","3","5","1","4","3","6","1") = "5"
    & skf21("2","3","5","1","4","3","7","1") = "6"
    & skf21("2","3","5","1","4","4","1","1") = "4"
    & skf21("2","3","5","1","4","4","2","1") = "4"
    & skf21("2","3","5","1","4","4","3","1") = "4"
    & skf21("2","3","5","1","4","4","4","1") = "4"
    & skf21("2","3","5","1","4","4","5","1") = "4"
    & skf21("2","3","5","1","4","4","6","1") = "5"
    & skf21("2","3","5","1","4","4","7","1") = "6"
    & skf21("2","3","5","1","4","5","1","1") = "4"
    & skf21("2","3","5","1","4","5","2","1") = "4"
    & skf21("2","3","5","1","4","5","3","1") = "4"
    & skf21("2","3","5","1","4","5","4","1") = "4"
    & skf21("2","3","5","1","4","5","5","1") = "4"
    & skf21("2","3","5","1","4","5","6","1") = "5"
    & skf21("2","3","5","1","4","5","7","1") = "6"
    & skf21("2","3","5","1","4","6","1","1") = "5"
    & skf21("2","3","5","1","4","6","2","1") = "5"
    & skf21("2","3","5","1","4","6","3","1") = "5"
    & skf21("2","3","5","1","4","6","4","1") = "5"
    & skf21("2","3","5","1","4","6","5","1") = "5"
    & skf21("2","3","5","1","4","6","6","1") = "5"
    & skf21("2","3","5","1","4","6","7","1") = "6"
    & skf21("2","3","5","1","4","7","1","1") = "6"
    & skf21("2","3","5","1","4","7","2","1") = "6"
    & skf21("2","3","5","1","4","7","3","1") = "6"
    & skf21("2","3","5","1","4","7","4","1") = "6"
    & skf21("2","3","5","1","4","7","5","1") = "6"
    & skf21("2","3","5","1","4","7","6","1") = "6"
    & skf21("2","3","5","1","4","7","7","1") = "6"
    & skf21("2","3","5","1","5","1","1","1") = "4"
    & skf21("2","3","5","1","5","1","2","1") = "4"
    & skf21("2","3","5","1","5","1","3","1") = "4"
    & skf21("2","3","5","1","5","1","4","1") = "4"
    & skf21("2","3","5","1","5","1","5","1") = "4"
    & skf21("2","3","5","1","5","1","6","1") = "5"
    & skf21("2","3","5","1","5","1","7","1") = "6"
    & skf21("2","3","5","1","5","2","1","1") = "4"
    & skf21("2","3","5","1","5","2","2","1") = "4"
    & skf21("2","3","5","1","5","2","3","1") = "4"
    & skf21("2","3","5","1","5","2","4","1") = "4"
    & skf21("2","3","5","1","5","2","5","1") = "4"
    & skf21("2","3","5","1","5","2","6","1") = "5"
    & skf21("2","3","5","1","5","2","7","1") = "6"
    & skf21("2","3","5","1","5","3","1","1") = "4"
    & skf21("2","3","5","1","5","3","2","1") = "4"
    & skf21("2","3","5","1","5","3","3","1") = "4"
    & skf21("2","3","5","1","5","3","4","1") = "4"
    & skf21("2","3","5","1","5","3","5","1") = "4"
    & skf21("2","3","5","1","5","3","6","1") = "5"
    & skf21("2","3","5","1","5","3","7","1") = "6"
    & skf21("2","3","5","1","5","4","1","1") = "4"
    & skf21("2","3","5","1","5","4","2","1") = "4"
    & skf21("2","3","5","1","5","4","3","1") = "4"
    & skf21("2","3","5","1","5","4","4","1") = "4"
    & skf21("2","3","5","1","5","4","5","1") = "4"
    & skf21("2","3","5","1","5","4","6","1") = "5"
    & skf21("2","3","5","1","5","4","7","1") = "6"
    & skf21("2","3","5","1","5","5","1","1") = "4"
    & skf21("2","3","5","1","5","5","2","1") = "4"
    & skf21("2","3","5","1","5","5","3","1") = "4"
    & skf21("2","3","5","1","5","5","4","1") = "4"
    & skf21("2","3","5","1","5","5","5","1") = "4"
    & skf21("2","3","5","1","5","5","6","1") = "5"
    & skf21("2","3","5","1","5","5","7","1") = "6"
    & skf21("2","3","5","1","5","6","1","1") = "5"
    & skf21("2","3","5","1","5","6","2","1") = "5"
    & skf21("2","3","5","1","5","6","3","1") = "5"
    & skf21("2","3","5","1","5","6","4","1") = "5"
    & skf21("2","3","5","1","5","6","5","1") = "5"
    & skf21("2","3","5","1","5","6","6","1") = "5"
    & skf21("2","3","5","1","5","6","7","1") = "6"
    & skf21("2","3","5","1","5","7","1","1") = "6"
    & skf21("2","3","5","1","5","7","2","1") = "6"
    & skf21("2","3","5","1","5","7","3","1") = "6"
    & skf21("2","3","5","1","5","7","4","1") = "6"
    & skf21("2","3","5","1","5","7","5","1") = "6"
    & skf21("2","3","5","1","5","7","6","1") = "6"
    & skf21("2","3","5","1","5","7","7","1") = "6"
    & skf21("2","3","5","1","6","1","1","1") = "5"
    & skf21("2","3","5","1","6","1","2","1") = "5"
    & skf21("2","3","5","1","6","1","3","1") = "5"
    & skf21("2","3","5","1","6","1","4","1") = "5"
    & skf21("2","3","5","1","6","1","5","1") = "5"
    & skf21("2","3","5","1","6","1","6","1") = "5"
    & skf21("2","3","5","1","6","1","7","1") = "6"
    & skf21("2","3","5","1","6","2","1","1") = "5"
    & skf21("2","3","5","1","6","2","2","1") = "5"
    & skf21("2","3","5","1","6","2","3","1") = "5"
    & skf21("2","3","5","1","6","2","4","1") = "5"
    & skf21("2","3","5","1","6","2","5","1") = "5"
    & skf21("2","3","5","1","6","2","6","1") = "5"
    & skf21("2","3","5","1","6","2","7","1") = "6"
    & skf21("2","3","5","1","6","3","1","1") = "5"
    & skf21("2","3","5","1","6","3","2","1") = "5"
    & skf21("2","3","5","1","6","3","3","1") = "5"
    & skf21("2","3","5","1","6","3","4","1") = "5"
    & skf21("2","3","5","1","6","3","5","1") = "5"
    & skf21("2","3","5","1","6","3","6","1") = "5"
    & skf21("2","3","5","1","6","3","7","1") = "6"
    & skf21("2","3","5","1","6","4","1","1") = "5"
    & skf21("2","3","5","1","6","4","2","1") = "5"
    & skf21("2","3","5","1","6","4","3","1") = "5"
    & skf21("2","3","5","1","6","4","4","1") = "5"
    & skf21("2","3","5","1","6","4","5","1") = "5"
    & skf21("2","3","5","1","6","4","6","1") = "5"
    & skf21("2","3","5","1","6","4","7","1") = "6"
    & skf21("2","3","5","1","6","5","1","1") = "5"
    & skf21("2","3","5","1","6","5","2","1") = "5"
    & skf21("2","3","5","1","6","5","3","1") = "5"
    & skf21("2","3","5","1","6","5","4","1") = "5"
    & skf21("2","3","5","1","6","5","5","1") = "5"
    & skf21("2","3","5","1","6","5","6","1") = "5"
    & skf21("2","3","5","1","6","5","7","1") = "6"
    & skf21("2","3","5","1","6","6","1","1") = "5"
    & skf21("2","3","5","1","6","6","2","1") = "5"
    & skf21("2","3","5","1","6","6","3","1") = "5"
    & skf21("2","3","5","1","6","6","4","1") = "5"
    & skf21("2","3","5","1","6","6","5","1") = "5"
    & skf21("2","3","5","1","6","6","6","1") = "5"
    & skf21("2","3","5","1","6","6","7","1") = "6"
    & skf21("2","3","5","1","6","7","1","1") = "6"
    & skf21("2","3","5","1","6","7","2","1") = "6"
    & skf21("2","3","5","1","6","7","3","1") = "6"
    & skf21("2","3","5","1","6","7","4","1") = "6"
    & skf21("2","3","5","1","6","7","5","1") = "6"
    & skf21("2","3","5","1","6","7","6","1") = "6"
    & skf21("2","3","5","1","6","7","7","1") = "6"
    & skf21("2","3","5","1","7","1","1","1") = "6"
    & skf21("2","3","5","1","7","1","2","1") = "6"
    & skf21("2","3","5","1","7","1","3","1") = "6"
    & skf21("2","3","5","1","7","1","4","1") = "6"
    & skf21("2","3","5","1","7","1","5","1") = "6"
    & skf21("2","3","5","1","7","1","6","1") = "6"
    & skf21("2","3","5","1","7","1","7","1") = "6"
    & skf21("2","3","5","1","7","2","1","1") = "6"
    & skf21("2","3","5","1","7","2","2","1") = "6"
    & skf21("2","3","5","1","7","2","3","1") = "6"
    & skf21("2","3","5","1","7","2","4","1") = "6"
    & skf21("2","3","5","1","7","2","5","1") = "6"
    & skf21("2","3","5","1","7","2","6","1") = "6"
    & skf21("2","3","5","1","7","2","7","1") = "6"
    & skf21("2","3","5","1","7","3","1","1") = "6"
    & skf21("2","3","5","1","7","3","2","1") = "6"
    & skf21("2","3","5","1","7","3","3","1") = "6"
    & skf21("2","3","5","1","7","3","4","1") = "6"
    & skf21("2","3","5","1","7","3","5","1") = "6"
    & skf21("2","3","5","1","7","3","6","1") = "6"
    & skf21("2","3","5","1","7","3","7","1") = "6"
    & skf21("2","3","5","1","7","4","1","1") = "6"
    & skf21("2","3","5","1","7","4","2","1") = "6"
    & skf21("2","3","5","1","7","4","3","1") = "6"
    & skf21("2","3","5","1","7","4","4","1") = "6"
    & skf21("2","3","5","1","7","4","5","1") = "6"
    & skf21("2","3","5","1","7","4","6","1") = "6"
    & skf21("2","3","5","1","7","4","7","1") = "6"
    & skf21("2","3","5","1","7","5","1","1") = "6"
    & skf21("2","3","5","1","7","5","2","1") = "6"
    & skf21("2","3","5","1","7","5","3","1") = "6"
    & skf21("2","3","5","1","7","5","4","1") = "6"
    & skf21("2","3","5","1","7","5","5","1") = "6"
    & skf21("2","3","5","1","7","5","6","1") = "6"
    & skf21("2","3","5","1","7","5","7","1") = "6"
    & skf21("2","3","5","1","7","6","1","1") = "6"
    & skf21("2","3","5","1","7","6","2","1") = "6"
    & skf21("2","3","5","1","7","6","3","1") = "6"
    & skf21("2","3","5","1","7","6","4","1") = "6"
    & skf21("2","3","5","1","7","6","5","1") = "6"
    & skf21("2","3","5","1","7","6","6","1") = "6"
    & skf21("2","3","5","1","7","6","7","1") = "6"
    & skf21("2","3","5","1","7","7","1","1") = "6"
    & skf21("2","3","5","1","7","7","2","1") = "6"
    & skf21("2","3","5","1","7","7","3","1") = "6"
    & skf21("2","3","5","1","7","7","4","1") = "6"
    & skf21("2","3","5","1","7","7","5","1") = "6"
    & skf21("2","3","5","1","7","7","6","1") = "6"
    & skf21("2","3","5","1","7","7","7","1") = "6"
    & skf21("2","3","5","2","1","1","1","1") = "4"
    & skf21("2","3","5","2","1","1","2","1") = "4"
    & skf21("2","3","5","2","1","1","3","1") = "4"
    & skf21("2","3","5","2","1","1","4","1") = "4"
    & skf21("2","3","5","2","1","1","5","1") = "4"
    & skf21("2","3","5","2","1","1","6","1") = "5"
    & skf21("2","3","5","2","1","1","7","1") = "6"
    & skf21("2","3","5","2","1","2","1","1") = "4"
    & skf21("2","3","5","2","1","2","2","1") = "4"
    & skf21("2","3","5","2","1","2","3","1") = "4"
    & skf21("2","3","5","2","1","2","4","1") = "4"
    & skf21("2","3","5","2","1","2","5","1") = "4"
    & skf21("2","3","5","2","1","2","6","1") = "5"
    & skf21("2","3","5","2","1","2","7","1") = "6"
    & skf21("2","3","5","2","1","3","1","1") = "4"
    & skf21("2","3","5","2","1","3","2","1") = "4"
    & skf21("2","3","5","2","1","3","3","1") = "4"
    & skf21("2","3","5","2","1","3","4","1") = "4"
    & skf21("2","3","5","2","1","3","5","1") = "4"
    & skf21("2","3","5","2","1","3","6","1") = "5"
    & skf21("2","3","5","2","1","3","7","1") = "6"
    & skf21("2","3","5","2","1","4","1","1") = "4"
    & skf21("2","3","5","2","1","4","2","1") = "4"
    & skf21("2","3","5","2","1","4","3","1") = "4"
    & skf21("2","3","5","2","1","4","4","1") = "4"
    & skf21("2","3","5","2","1","4","5","1") = "4"
    & skf21("2","3","5","2","1","4","6","1") = "5"
    & skf21("2","3","5","2","1","4","7","1") = "6"
    & skf21("2","3","5","2","1","5","1","1") = "4"
    & skf21("2","3","5","2","1","5","2","1") = "4"
    & skf21("2","3","5","2","1","5","3","1") = "4"
    & skf21("2","3","5","2","1","5","4","1") = "4"
    & skf21("2","3","5","2","1","5","5","1") = "4"
    & skf21("2","3","5","2","1","5","6","1") = "5"
    & skf21("2","3","5","2","1","5","7","1") = "6"
    & skf21("2","3","5","2","1","6","1","1") = "5"
    & skf21("2","3","5","2","1","6","2","1") = "5"
    & skf21("2","3","5","2","1","6","3","1") = "5"
    & skf21("2","3","5","2","1","6","4","1") = "5"
    & skf21("2","3","5","2","1","6","5","1") = "5"
    & skf21("2","3","5","2","1","6","6","1") = "5"
    & skf21("2","3","5","2","1","6","7","1") = "6"
    & skf21("2","3","5","2","1","7","1","1") = "6"
    & skf21("2","3","5","2","1","7","2","1") = "6"
    & skf21("2","3","5","2","1","7","3","1") = "6"
    & skf21("2","3","5","2","1","7","4","1") = "6"
    & skf21("2","3","5","2","1","7","5","1") = "6"
    & skf21("2","3","5","2","1","7","6","1") = "6"
    & skf21("2","3","5","2","1","7","7","1") = "6"
    & skf21("2","3","5","2","2","1","1","1") = "4"
    & skf21("2","3","5","2","2","1","2","1") = "4"
    & skf21("2","3","5","2","2","1","3","1") = "4"
    & skf21("2","3","5","2","2","1","4","1") = "4"
    & skf21("2","3","5","2","2","1","5","1") = "4"
    & skf21("2","3","5","2","2","1","6","1") = "5"
    & skf21("2","3","5","2","2","1","7","1") = "6"
    & skf21("2","3","5","2","2","2","1","1") = "4"
    & skf21("2","3","5","2","2","2","2","1") = "4"
    & skf21("2","3","5","2","2","2","3","1") = "4"
    & skf21("2","3","5","2","2","2","4","1") = "4"
    & skf21("2","3","5","2","2","2","5","1") = "4"
    & skf21("2","3","5","2","2","2","6","1") = "5"
    & skf21("2","3","5","2","2","2","7","1") = "6"
    & skf21("2","3","5","2","2","3","1","1") = "4"
    & skf21("2","3","5","2","2","3","2","1") = "4"
    & skf21("2","3","5","2","2","3","3","1") = "4"
    & skf21("2","3","5","2","2","3","4","1") = "4"
    & skf21("2","3","5","2","2","3","5","1") = "4"
    & skf21("2","3","5","2","2","3","6","1") = "5"
    & skf21("2","3","5","2","2","3","7","1") = "6"
    & skf21("2","3","5","2","2","4","1","1") = "4"
    & skf21("2","3","5","2","2","4","2","1") = "4"
    & skf21("2","3","5","2","2","4","3","1") = "4"
    & skf21("2","3","5","2","2","4","4","1") = "4"
    & skf21("2","3","5","2","2","4","5","1") = "4"
    & skf21("2","3","5","2","2","4","6","1") = "5"
    & skf21("2","3","5","2","2","4","7","1") = "6"
    & skf21("2","3","5","2","2","5","1","1") = "4"
    & skf21("2","3","5","2","2","5","2","1") = "4"
    & skf21("2","3","5","2","2","5","3","1") = "4"
    & skf21("2","3","5","2","2","5","4","1") = "4"
    & skf21("2","3","5","2","2","5","5","1") = "4"
    & skf21("2","3","5","2","2","5","6","1") = "5"
    & skf21("2","3","5","2","2","5","7","1") = "6"
    & skf21("2","3","5","2","2","6","1","1") = "5"
    & skf21("2","3","5","2","2","6","2","1") = "5"
    & skf21("2","3","5","2","2","6","3","1") = "5"
    & skf21("2","3","5","2","2","6","4","1") = "5"
    & skf21("2","3","5","2","2","6","5","1") = "5"
    & skf21("2","3","5","2","2","6","6","1") = "5"
    & skf21("2","3","5","2","2","6","7","1") = "6"
    & skf21("2","3","5","2","2","7","1","1") = "6"
    & skf21("2","3","5","2","2","7","2","1") = "6"
    & skf21("2","3","5","2","2","7","3","1") = "6"
    & skf21("2","3","5","2","2","7","4","1") = "6"
    & skf21("2","3","5","2","2","7","5","1") = "6"
    & skf21("2","3","5","2","2","7","6","1") = "6"
    & skf21("2","3","5","2","2","7","7","1") = "6"
    & skf21("2","3","5","2","3","1","1","1") = "4"
    & skf21("2","3","5","2","3","1","2","1") = "4"
    & skf21("2","3","5","2","3","1","3","1") = "4"
    & skf21("2","3","5","2","3","1","4","1") = "4"
    & skf21("2","3","5","2","3","1","5","1") = "4"
    & skf21("2","3","5","2","3","1","6","1") = "5"
    & skf21("2","3","5","2","3","1","7","1") = "6"
    & skf21("2","3","5","2","3","2","1","1") = "4"
    & skf21("2","3","5","2","3","2","2","1") = "4"
    & skf21("2","3","5","2","3","2","3","1") = "4"
    & skf21("2","3","5","2","3","2","4","1") = "4"
    & skf21("2","3","5","2","3","2","5","1") = "4"
    & skf21("2","3","5","2","3","2","6","1") = "5"
    & skf21("2","3","5","2","3","2","7","1") = "6"
    & skf21("2","3","5","2","3","3","1","1") = "4"
    & skf21("2","3","5","2","3","3","2","1") = "4"
    & skf21("2","3","5","2","3","3","3","1") = "4"
    & skf21("2","3","5","2","3","3","4","1") = "4"
    & skf21("2","3","5","2","3","3","5","1") = "4"
    & skf21("2","3","5","2","3","3","6","1") = "5"
    & skf21("2","3","5","2","3","3","7","1") = "6"
    & skf21("2","3","5","2","3","4","1","1") = "4"
    & skf21("2","3","5","2","3","4","2","1") = "4"
    & skf21("2","3","5","2","3","4","3","1") = "4"
    & skf21("2","3","5","2","3","4","4","1") = "4"
    & skf21("2","3","5","2","3","4","5","1") = "4"
    & skf21("2","3","5","2","3","4","6","1") = "5"
    & skf21("2","3","5","2","3","4","7","1") = "6"
    & skf21("2","3","5","2","3","5","1","1") = "4"
    & skf21("2","3","5","2","3","5","2","1") = "4"
    & skf21("2","3","5","2","3","5","3","1") = "4"
    & skf21("2","3","5","2","3","5","4","1") = "4"
    & skf21("2","3","5","2","3","5","5","1") = "4"
    & skf21("2","3","5","2","3","5","6","1") = "5"
    & skf21("2","3","5","2","3","5","7","1") = "6"
    & skf21("2","3","5","2","3","6","1","1") = "5"
    & skf21("2","3","5","2","3","6","2","1") = "5"
    & skf21("2","3","5","2","3","6","3","1") = "5"
    & skf21("2","3","5","2","3","6","4","1") = "5"
    & skf21("2","3","5","2","3","6","5","1") = "5"
    & skf21("2","3","5","2","3","6","6","1") = "5"
    & skf21("2","3","5","2","3","6","7","1") = "6"
    & skf21("2","3","5","2","3","7","1","1") = "6"
    & skf21("2","3","5","2","3","7","2","1") = "6"
    & skf21("2","3","5","2","3","7","3","1") = "6"
    & skf21("2","3","5","2","3","7","4","1") = "6"
    & skf21("2","3","5","2","3","7","5","1") = "6"
    & skf21("2","3","5","2","3","7","6","1") = "6"
    & skf21("2","3","5","2","3","7","7","1") = "6"
    & skf21("2","3","5","2","4","1","1","1") = "4"
    & skf21("2","3","5","2","4","1","2","1") = "4"
    & skf21("2","3","5","2","4","1","3","1") = "4"
    & skf21("2","3","5","2","4","1","4","1") = "4"
    & skf21("2","3","5","2","4","1","5","1") = "4"
    & skf21("2","3","5","2","4","1","6","1") = "5"
    & skf21("2","3","5","2","4","1","7","1") = "6"
    & skf21("2","3","5","2","4","2","1","1") = "4"
    & skf21("2","3","5","2","4","2","2","1") = "4"
    & skf21("2","3","5","2","4","2","3","1") = "4"
    & skf21("2","3","5","2","4","2","4","1") = "4"
    & skf21("2","3","5","2","4","2","5","1") = "4"
    & skf21("2","3","5","2","4","2","6","1") = "5"
    & skf21("2","3","5","2","4","2","7","1") = "6"
    & skf21("2","3","5","2","4","3","1","1") = "4"
    & skf21("2","3","5","2","4","3","2","1") = "4"
    & skf21("2","3","5","2","4","3","3","1") = "4"
    & skf21("2","3","5","2","4","3","4","1") = "4"
    & skf21("2","3","5","2","4","3","5","1") = "4"
    & skf21("2","3","5","2","4","3","6","1") = "5"
    & skf21("2","3","5","2","4","3","7","1") = "6"
    & skf21("2","3","5","2","4","4","1","1") = "4"
    & skf21("2","3","5","2","4","4","2","1") = "4"
    & skf21("2","3","5","2","4","4","3","1") = "4"
    & skf21("2","3","5","2","4","4","4","1") = "4"
    & skf21("2","3","5","2","4","4","5","1") = "4"
    & skf21("2","3","5","2","4","4","6","1") = "5"
    & skf21("2","3","5","2","4","4","7","1") = "6"
    & skf21("2","3","5","2","4","5","1","1") = "4"
    & skf21("2","3","5","2","4","5","2","1") = "4"
    & skf21("2","3","5","2","4","5","3","1") = "4"
    & skf21("2","3","5","2","4","5","4","1") = "4"
    & skf21("2","3","5","2","4","5","5","1") = "4"
    & skf21("2","3","5","2","4","5","6","1") = "5"
    & skf21("2","3","5","2","4","5","7","1") = "6"
    & skf21("2","3","5","2","4","6","1","1") = "5"
    & skf21("2","3","5","2","4","6","2","1") = "5"
    & skf21("2","3","5","2","4","6","3","1") = "5"
    & skf21("2","3","5","2","4","6","4","1") = "5"
    & skf21("2","3","5","2","4","6","5","1") = "5"
    & skf21("2","3","5","2","4","6","6","1") = "5"
    & skf21("2","3","5","2","4","6","7","1") = "6"
    & skf21("2","3","5","2","4","7","1","1") = "6"
    & skf21("2","3","5","2","4","7","2","1") = "6"
    & skf21("2","3","5","2","4","7","3","1") = "6"
    & skf21("2","3","5","2","4","7","4","1") = "6"
    & skf21("2","3","5","2","4","7","5","1") = "6"
    & skf21("2","3","5","2","4","7","6","1") = "6"
    & skf21("2","3","5","2","4","7","7","1") = "6"
    & skf21("2","3","5","2","5","1","1","1") = "4"
    & skf21("2","3","5","2","5","1","2","1") = "4"
    & skf21("2","3","5","2","5","1","3","1") = "4"
    & skf21("2","3","5","2","5","1","4","1") = "4"
    & skf21("2","3","5","2","5","1","5","1") = "4"
    & skf21("2","3","5","2","5","1","6","1") = "5"
    & skf21("2","3","5","2","5","1","7","1") = "6"
    & skf21("2","3","5","2","5","2","1","1") = "4"
    & skf21("2","3","5","2","5","2","2","1") = "4"
    & skf21("2","3","5","2","5","2","3","1") = "4"
    & skf21("2","3","5","2","5","2","4","1") = "4"
    & skf21("2","3","5","2","5","2","5","1") = "4"
    & skf21("2","3","5","2","5","2","6","1") = "5"
    & skf21("2","3","5","2","5","2","7","1") = "6"
    & skf21("2","3","5","2","5","3","1","1") = "4"
    & skf21("2","3","5","2","5","3","2","1") = "4"
    & skf21("2","3","5","2","5","3","3","1") = "4"
    & skf21("2","3","5","2","5","3","4","1") = "4"
    & skf21("2","3","5","2","5","3","5","1") = "4"
    & skf21("2","3","5","2","5","3","6","1") = "5"
    & skf21("2","3","5","2","5","3","7","1") = "6"
    & skf21("2","3","5","2","5","4","1","1") = "4"
    & skf21("2","3","5","2","5","4","2","1") = "4"
    & skf21("2","3","5","2","5","4","3","1") = "4"
    & skf21("2","3","5","2","5","4","4","1") = "4"
    & skf21("2","3","5","2","5","4","5","1") = "4"
    & skf21("2","3","5","2","5","4","6","1") = "5"
    & skf21("2","3","5","2","5","4","7","1") = "6"
    & skf21("2","3","5","2","5","5","1","1") = "4"
    & skf21("2","3","5","2","5","5","2","1") = "4"
    & skf21("2","3","5","2","5","5","3","1") = "4"
    & skf21("2","3","5","2","5","5","4","1") = "4"
    & skf21("2","3","5","2","5","5","5","1") = "4"
    & skf21("2","3","5","2","5","5","6","1") = "5"
    & skf21("2","3","5","2","5","5","7","1") = "6"
    & skf21("2","3","5","2","5","6","1","1") = "5"
    & skf21("2","3","5","2","5","6","2","1") = "5"
    & skf21("2","3","5","2","5","6","3","1") = "5"
    & skf21("2","3","5","2","5","6","4","1") = "5"
    & skf21("2","3","5","2","5","6","5","1") = "5"
    & skf21("2","3","5","2","5","6","6","1") = "5"
    & skf21("2","3","5","2","5","6","7","1") = "6"
    & skf21("2","3","5","2","5","7","1","1") = "6"
    & skf21("2","3","5","2","5","7","2","1") = "6"
    & skf21("2","3","5","2","5","7","3","1") = "6"
    & skf21("2","3","5","2","5","7","4","1") = "6"
    & skf21("2","3","5","2","5","7","5","1") = "6"
    & skf21("2","3","5","2","5","7","6","1") = "6"
    & skf21("2","3","5","2","5","7","7","1") = "6"
    & skf21("2","3","5","2","6","1","1","1") = "5"
    & skf21("2","3","5","2","6","1","2","1") = "5"
    & skf21("2","3","5","2","6","1","3","1") = "5"
    & skf21("2","3","5","2","6","1","4","1") = "5"
    & skf21("2","3","5","2","6","1","5","1") = "5"
    & skf21("2","3","5","2","6","1","6","1") = "5"
    & skf21("2","3","5","2","6","1","7","1") = "6"
    & skf21("2","3","5","2","6","2","1","1") = "5"
    & skf21("2","3","5","2","6","2","2","1") = "5"
    & skf21("2","3","5","2","6","2","3","1") = "5"
    & skf21("2","3","5","2","6","2","4","1") = "5"
    & skf21("2","3","5","2","6","2","5","1") = "5"
    & skf21("2","3","5","2","6","2","6","1") = "5"
    & skf21("2","3","5","2","6","2","7","1") = "6"
    & skf21("2","3","5","2","6","3","1","1") = "5"
    & skf21("2","3","5","2","6","3","2","1") = "5"
    & skf21("2","3","5","2","6","3","3","1") = "5"
    & skf21("2","3","5","2","6","3","4","1") = "5"
    & skf21("2","3","5","2","6","3","5","1") = "5"
    & skf21("2","3","5","2","6","3","6","1") = "5"
    & skf21("2","3","5","2","6","3","7","1") = "6"
    & skf21("2","3","5","2","6","4","1","1") = "5"
    & skf21("2","3","5","2","6","4","2","1") = "5"
    & skf21("2","3","5","2","6","4","3","1") = "5"
    & skf21("2","3","5","2","6","4","4","1") = "5"
    & skf21("2","3","5","2","6","4","5","1") = "5"
    & skf21("2","3","5","2","6","4","6","1") = "5"
    & skf21("2","3","5","2","6","4","7","1") = "6"
    & skf21("2","3","5","2","6","5","1","1") = "5"
    & skf21("2","3","5","2","6","5","2","1") = "5"
    & skf21("2","3","5","2","6","5","3","1") = "5"
    & skf21("2","3","5","2","6","5","4","1") = "5"
    & skf21("2","3","5","2","6","5","5","1") = "5"
    & skf21("2","3","5","2","6","5","6","1") = "5"
    & skf21("2","3","5","2","6","5","7","1") = "6"
    & skf21("2","3","5","2","6","6","1","1") = "5"
    & skf21("2","3","5","2","6","6","2","1") = "5"
    & skf21("2","3","5","2","6","6","3","1") = "5"
    & skf21("2","3","5","2","6","6","4","1") = "5"
    & skf21("2","3","5","2","6","6","5","1") = "5"
    & skf21("2","3","5","2","6","6","6","1") = "5"
    & skf21("2","3","5","2","6","6","7","1") = "6"
    & skf21("2","3","5","2","6","7","1","1") = "6"
    & skf21("2","3","5","2","6","7","2","1") = "6"
    & skf21("2","3","5","2","6","7","3","1") = "6"
    & skf21("2","3","5","2","6","7","4","1") = "6"
    & skf21("2","3","5","2","6","7","5","1") = "6"
    & skf21("2","3","5","2","6","7","6","1") = "6"
    & skf21("2","3","5","2","6","7","7","1") = "6"
    & skf21("2","3","5","2","7","1","1","1") = "6"
    & skf21("2","3","5","2","7","1","2","1") = "6"
    & skf21("2","3","5","2","7","1","3","1") = "6"
    & skf21("2","3","5","2","7","1","4","1") = "6"
    & skf21("2","3","5","2","7","1","5","1") = "6"
    & skf21("2","3","5","2","7","1","6","1") = "6"
    & skf21("2","3","5","2","7","1","7","1") = "6"
    & skf21("2","3","5","2","7","2","1","1") = "6"
    & skf21("2","3","5","2","7","2","2","1") = "6"
    & skf21("2","3","5","2","7","2","3","1") = "6"
    & skf21("2","3","5","2","7","2","4","1") = "6"
    & skf21("2","3","5","2","7","2","5","1") = "6"
    & skf21("2","3","5","2","7","2","6","1") = "6"
    & skf21("2","3","5","2","7","2","7","1") = "6"
    & skf21("2","3","5","2","7","3","1","1") = "6"
    & skf21("2","3","5","2","7","3","2","1") = "6"
    & skf21("2","3","5","2","7","3","3","1") = "6"
    & skf21("2","3","5","2","7","3","4","1") = "6"
    & skf21("2","3","5","2","7","3","5","1") = "6"
    & skf21("2","3","5","2","7","3","6","1") = "6"
    & skf21("2","3","5","2","7","3","7","1") = "6"
    & skf21("2","3","5","2","7","4","1","1") = "6"
    & skf21("2","3","5","2","7","4","2","1") = "6"
    & skf21("2","3","5","2","7","4","3","1") = "6"
    & skf21("2","3","5","2","7","4","4","1") = "6"
    & skf21("2","3","5","2","7","4","5","1") = "6"
    & skf21("2","3","5","2","7","4","6","1") = "6"
    & skf21("2","3","5","2","7","4","7","1") = "6"
    & skf21("2","3","5","2","7","5","1","1") = "6"
    & skf21("2","3","5","2","7","5","2","1") = "6"
    & skf21("2","3","5","2","7","5","3","1") = "6"
    & skf21("2","3","5","2","7","5","4","1") = "6"
    & skf21("2","3","5","2","7","5","5","1") = "6"
    & skf21("2","3","5","2","7","5","6","1") = "6"
    & skf21("2","3","5","2","7","5","7","1") = "6"
    & skf21("2","3","5","2","7","6","1","1") = "6"
    & skf21("2","3","5","2","7","6","2","1") = "6"
    & skf21("2","3","5","2","7","6","3","1") = "6"
    & skf21("2","3","5","2","7","6","4","1") = "6"
    & skf21("2","3","5","2","7","6","5","1") = "6"
    & skf21("2","3","5","2","7","6","6","1") = "6"
    & skf21("2","3","5","2","7","6","7","1") = "6"
    & skf21("2","3","5","2","7","7","1","1") = "6"
    & skf21("2","3","5","2","7","7","2","1") = "6"
    & skf21("2","3","5","2","7","7","3","1") = "6"
    & skf21("2","3","5","2","7","7","4","1") = "6"
    & skf21("2","3","5","2","7","7","5","1") = "6"
    & skf21("2","3","5","2","7","7","6","1") = "6"
    & skf21("2","3","5","2","7","7","7","1") = "6"
    & skf21("2","3","5","3","1","1","1","1") = "4"
    & skf21("2","3","5","3","1","1","2","1") = "4"
    & skf21("2","3","5","3","1","1","3","1") = "4"
    & skf21("2","3","5","3","1","1","4","1") = "4"
    & skf21("2","3","5","3","1","1","5","1") = "4"
    & skf21("2","3","5","3","1","1","6","1") = "5"
    & skf21("2","3","5","3","1","1","7","1") = "6"
    & skf21("2","3","5","3","1","2","1","1") = "4"
    & skf21("2","3","5","3","1","2","2","1") = "4"
    & skf21("2","3","5","3","1","2","3","1") = "4"
    & skf21("2","3","5","3","1","2","4","1") = "4"
    & skf21("2","3","5","3","1","2","5","1") = "4"
    & skf21("2","3","5","3","1","2","6","1") = "5"
    & skf21("2","3","5","3","1","2","7","1") = "6"
    & skf21("2","3","5","3","1","3","1","1") = "4"
    & skf21("2","3","5","3","1","3","2","1") = "4"
    & skf21("2","3","5","3","1","3","3","1") = "4"
    & skf21("2","3","5","3","1","3","4","1") = "4"
    & skf21("2","3","5","3","1","3","5","1") = "4"
    & skf21("2","3","5","3","1","3","6","1") = "5"
    & skf21("2","3","5","3","1","3","7","1") = "6"
    & skf21("2","3","5","3","1","4","1","1") = "4"
    & skf21("2","3","5","3","1","4","2","1") = "4"
    & skf21("2","3","5","3","1","4","3","1") = "4"
    & skf21("2","3","5","3","1","4","4","1") = "4"
    & skf21("2","3","5","3","1","4","5","1") = "4"
    & skf21("2","3","5","3","1","4","6","1") = "5"
    & skf21("2","3","5","3","1","4","7","1") = "6"
    & skf21("2","3","5","3","1","5","1","1") = "4"
    & skf21("2","3","5","3","1","5","2","1") = "4"
    & skf21("2","3","5","3","1","5","3","1") = "4"
    & skf21("2","3","5","3","1","5","4","1") = "4"
    & skf21("2","3","5","3","1","5","5","1") = "4"
    & skf21("2","3","5","3","1","5","6","1") = "5"
    & skf21("2","3","5","3","1","5","7","1") = "6"
    & skf21("2","3","5","3","1","6","1","1") = "5"
    & skf21("2","3","5","3","1","6","2","1") = "5"
    & skf21("2","3","5","3","1","6","3","1") = "5"
    & skf21("2","3","5","3","1","6","4","1") = "5"
    & skf21("2","3","5","3","1","6","5","1") = "5"
    & skf21("2","3","5","3","1","6","6","1") = "5"
    & skf21("2","3","5","3","1","6","7","1") = "6"
    & skf21("2","3","5","3","1","7","1","1") = "6"
    & skf21("2","3","5","3","1","7","2","1") = "6"
    & skf21("2","3","5","3","1","7","3","1") = "6"
    & skf21("2","3","5","3","1","7","4","1") = "6"
    & skf21("2","3","5","3","1","7","5","1") = "6"
    & skf21("2","3","5","3","1","7","6","1") = "6"
    & skf21("2","3","5","3","1","7","7","1") = "6"
    & skf21("2","3","5","3","2","1","1","1") = "4"
    & skf21("2","3","5","3","2","1","2","1") = "4"
    & skf21("2","3","5","3","2","1","3","1") = "4"
    & skf21("2","3","5","3","2","1","4","1") = "4"
    & skf21("2","3","5","3","2","1","5","1") = "4"
    & skf21("2","3","5","3","2","1","6","1") = "5"
    & skf21("2","3","5","3","2","1","7","1") = "6"
    & skf21("2","3","5","3","2","2","1","1") = "4"
    & skf21("2","3","5","3","2","2","2","1") = "4"
    & skf21("2","3","5","3","2","2","3","1") = "4"
    & skf21("2","3","5","3","2","2","4","1") = "4"
    & skf21("2","3","5","3","2","2","5","1") = "4"
    & skf21("2","3","5","3","2","2","6","1") = "5"
    & skf21("2","3","5","3","2","2","7","1") = "6"
    & skf21("2","3","5","3","2","3","1","1") = "4"
    & skf21("2","3","5","3","2","3","2","1") = "4"
    & skf21("2","3","5","3","2","3","3","1") = "4"
    & skf21("2","3","5","3","2","3","4","1") = "4"
    & skf21("2","3","5","3","2","3","5","1") = "4"
    & skf21("2","3","5","3","2","3","6","1") = "5"
    & skf21("2","3","5","3","2","3","7","1") = "6"
    & skf21("2","3","5","3","2","4","1","1") = "4"
    & skf21("2","3","5","3","2","4","2","1") = "4"
    & skf21("2","3","5","3","2","4","3","1") = "4"
    & skf21("2","3","5","3","2","4","4","1") = "4"
    & skf21("2","3","5","3","2","4","5","1") = "4"
    & skf21("2","3","5","3","2","4","6","1") = "5"
    & skf21("2","3","5","3","2","4","7","1") = "6"
    & skf21("2","3","5","3","2","5","1","1") = "4"
    & skf21("2","3","5","3","2","5","2","1") = "4"
    & skf21("2","3","5","3","2","5","3","1") = "4"
    & skf21("2","3","5","3","2","5","4","1") = "4"
    & skf21("2","3","5","3","2","5","5","1") = "4"
    & skf21("2","3","5","3","2","5","6","1") = "5"
    & skf21("2","3","5","3","2","5","7","1") = "6"
    & skf21("2","3","5","3","2","6","1","1") = "5"
    & skf21("2","3","5","3","2","6","2","1") = "5"
    & skf21("2","3","5","3","2","6","3","1") = "5"
    & skf21("2","3","5","3","2","6","4","1") = "5"
    & skf21("2","3","5","3","2","6","5","1") = "5"
    & skf21("2","3","5","3","2","6","6","1") = "5"
    & skf21("2","3","5","3","2","6","7","1") = "6"
    & skf21("2","3","5","3","2","7","1","1") = "6"
    & skf21("2","3","5","3","2","7","2","1") = "6"
    & skf21("2","3","5","3","2","7","3","1") = "6"
    & skf21("2","3","5","3","2","7","4","1") = "6"
    & skf21("2","3","5","3","2","7","5","1") = "6"
    & skf21("2","3","5","3","2","7","6","1") = "6"
    & skf21("2","3","5","3","2","7","7","1") = "6"
    & skf21("2","3","5","3","3","1","1","1") = "4"
    & skf21("2","3","5","3","3","1","2","1") = "4"
    & skf21("2","3","5","3","3","1","3","1") = "4"
    & skf21("2","3","5","3","3","1","4","1") = "4"
    & skf21("2","3","5","3","3","1","5","1") = "4"
    & skf21("2","3","5","3","3","1","6","1") = "5"
    & skf21("2","3","5","3","3","1","7","1") = "6"
    & skf21("2","3","5","3","3","2","1","1") = "4"
    & skf21("2","3","5","3","3","2","2","1") = "4"
    & skf21("2","3","5","3","3","2","3","1") = "4"
    & skf21("2","3","5","3","3","2","4","1") = "4"
    & skf21("2","3","5","3","3","2","5","1") = "4"
    & skf21("2","3","5","3","3","2","6","1") = "5"
    & skf21("2","3","5","3","3","2","7","1") = "6"
    & skf21("2","3","5","3","3","3","1","1") = "4"
    & skf21("2","3","5","3","3","3","2","1") = "4"
    & skf21("2","3","5","3","3","3","3","1") = "4"
    & skf21("2","3","5","3","3","3","4","1") = "4"
    & skf21("2","3","5","3","3","3","5","1") = "4"
    & skf21("2","3","5","3","3","3","6","1") = "5"
    & skf21("2","3","5","3","3","3","7","1") = "6"
    & skf21("2","3","5","3","3","4","1","1") = "4"
    & skf21("2","3","5","3","3","4","2","1") = "4"
    & skf21("2","3","5","3","3","4","3","1") = "4"
    & skf21("2","3","5","3","3","4","4","1") = "4"
    & skf21("2","3","5","3","3","4","5","1") = "4"
    & skf21("2","3","5","3","3","4","6","1") = "5"
    & skf21("2","3","5","3","3","4","7","1") = "6"
    & skf21("2","3","5","3","3","5","1","1") = "4"
    & skf21("2","3","5","3","3","5","2","1") = "4"
    & skf21("2","3","5","3","3","5","3","1") = "4"
    & skf21("2","3","5","3","3","5","4","1") = "4"
    & skf21("2","3","5","3","3","5","5","1") = "4"
    & skf21("2","3","5","3","3","5","6","1") = "5"
    & skf21("2","3","5","3","3","5","7","1") = "6"
    & skf21("2","3","5","3","3","6","1","1") = "5"
    & skf21("2","3","5","3","3","6","2","1") = "5"
    & skf21("2","3","5","3","3","6","3","1") = "5"
    & skf21("2","3","5","3","3","6","4","1") = "5"
    & skf21("2","3","5","3","3","6","5","1") = "5"
    & skf21("2","3","5","3","3","6","6","1") = "5"
    & skf21("2","3","5","3","3","6","7","1") = "6"
    & skf21("2","3","5","3","3","7","1","1") = "6"
    & skf21("2","3","5","3","3","7","2","1") = "6"
    & skf21("2","3","5","3","3","7","3","1") = "6"
    & skf21("2","3","5","3","3","7","4","1") = "6"
    & skf21("2","3","5","3","3","7","5","1") = "6"
    & skf21("2","3","5","3","3","7","6","1") = "6"
    & skf21("2","3","5","3","3","7","7","1") = "6"
    & skf21("2","3","5","3","4","1","1","1") = "4"
    & skf21("2","3","5","3","4","1","2","1") = "4"
    & skf21("2","3","5","3","4","1","3","1") = "4"
    & skf21("2","3","5","3","4","1","4","1") = "4"
    & skf21("2","3","5","3","4","1","5","1") = "4"
    & skf21("2","3","5","3","4","1","6","1") = "5"
    & skf21("2","3","5","3","4","1","7","1") = "6"
    & skf21("2","3","5","3","4","2","1","1") = "4"
    & skf21("2","3","5","3","4","2","2","1") = "4"
    & skf21("2","3","5","3","4","2","3","1") = "4"
    & skf21("2","3","5","3","4","2","4","1") = "4"
    & skf21("2","3","5","3","4","2","5","1") = "4"
    & skf21("2","3","5","3","4","2","6","1") = "5"
    & skf21("2","3","5","3","4","2","7","1") = "6"
    & skf21("2","3","5","3","4","3","1","1") = "4"
    & skf21("2","3","5","3","4","3","2","1") = "4"
    & skf21("2","3","5","3","4","3","3","1") = "4"
    & skf21("2","3","5","3","4","3","4","1") = "4"
    & skf21("2","3","5","3","4","3","5","1") = "4"
    & skf21("2","3","5","3","4","3","6","1") = "5"
    & skf21("2","3","5","3","4","3","7","1") = "6"
    & skf21("2","3","5","3","4","4","1","1") = "4"
    & skf21("2","3","5","3","4","4","2","1") = "4"
    & skf21("2","3","5","3","4","4","3","1") = "4"
    & skf21("2","3","5","3","4","4","4","1") = "4"
    & skf21("2","3","5","3","4","4","5","1") = "4"
    & skf21("2","3","5","3","4","4","6","1") = "5"
    & skf21("2","3","5","3","4","4","7","1") = "6"
    & skf21("2","3","5","3","4","5","1","1") = "4"
    & skf21("2","3","5","3","4","5","2","1") = "4"
    & skf21("2","3","5","3","4","5","3","1") = "4"
    & skf21("2","3","5","3","4","5","4","1") = "4"
    & skf21("2","3","5","3","4","5","5","1") = "4"
    & skf21("2","3","5","3","4","5","6","1") = "5"
    & skf21("2","3","5","3","4","5","7","1") = "6"
    & skf21("2","3","5","3","4","6","1","1") = "5"
    & skf21("2","3","5","3","4","6","2","1") = "5"
    & skf21("2","3","5","3","4","6","3","1") = "5"
    & skf21("2","3","5","3","4","6","4","1") = "5"
    & skf21("2","3","5","3","4","6","5","1") = "5"
    & skf21("2","3","5","3","4","6","6","1") = "5"
    & skf21("2","3","5","3","4","6","7","1") = "6"
    & skf21("2","3","5","3","4","7","1","1") = "6"
    & skf21("2","3","5","3","4","7","2","1") = "6"
    & skf21("2","3","5","3","4","7","3","1") = "6"
    & skf21("2","3","5","3","4","7","4","1") = "6"
    & skf21("2","3","5","3","4","7","5","1") = "6"
    & skf21("2","3","5","3","4","7","6","1") = "6"
    & skf21("2","3","5","3","4","7","7","1") = "6"
    & skf21("2","3","5","3","5","1","1","1") = "4"
    & skf21("2","3","5","3","5","1","2","1") = "4"
    & skf21("2","3","5","3","5","1","3","1") = "4"
    & skf21("2","3","5","3","5","1","4","1") = "4"
    & skf21("2","3","5","3","5","1","5","1") = "4"
    & skf21("2","3","5","3","5","1","6","1") = "5"
    & skf21("2","3","5","3","5","1","7","1") = "6"
    & skf21("2","3","5","3","5","2","1","1") = "4"
    & skf21("2","3","5","3","5","2","2","1") = "4"
    & skf21("2","3","5","3","5","2","3","1") = "4"
    & skf21("2","3","5","3","5","2","4","1") = "4"
    & skf21("2","3","5","3","5","2","5","1") = "4"
    & skf21("2","3","5","3","5","2","6","1") = "5"
    & skf21("2","3","5","3","5","2","7","1") = "6"
    & skf21("2","3","5","3","5","3","1","1") = "4"
    & skf21("2","3","5","3","5","3","2","1") = "4"
    & skf21("2","3","5","3","5","3","3","1") = "4"
    & skf21("2","3","5","3","5","3","4","1") = "4"
    & skf21("2","3","5","3","5","3","5","1") = "4"
    & skf21("2","3","5","3","5","3","6","1") = "5"
    & skf21("2","3","5","3","5","3","7","1") = "6"
    & skf21("2","3","5","3","5","4","1","1") = "4"
    & skf21("2","3","5","3","5","4","2","1") = "4"
    & skf21("2","3","5","3","5","4","3","1") = "4"
    & skf21("2","3","5","3","5","4","4","1") = "4"
    & skf21("2","3","5","3","5","4","5","1") = "4"
    & skf21("2","3","5","3","5","4","6","1") = "5"
    & skf21("2","3","5","3","5","4","7","1") = "6"
    & skf21("2","3","5","3","5","5","1","1") = "4"
    & skf21("2","3","5","3","5","5","2","1") = "4"
    & skf21("2","3","5","3","5","5","3","1") = "4"
    & skf21("2","3","5","3","5","5","4","1") = "4"
    & skf21("2","3","5","3","5","5","5","1") = "4"
    & skf21("2","3","5","3","5","5","6","1") = "5"
    & skf21("2","3","5","3","5","5","7","1") = "6"
    & skf21("2","3","5","3","5","6","1","1") = "5"
    & skf21("2","3","5","3","5","6","2","1") = "5"
    & skf21("2","3","5","3","5","6","3","1") = "5"
    & skf21("2","3","5","3","5","6","4","1") = "5"
    & skf21("2","3","5","3","5","6","5","1") = "5"
    & skf21("2","3","5","3","5","6","6","1") = "5"
    & skf21("2","3","5","3","5","6","7","1") = "6"
    & skf21("2","3","5","3","5","7","1","1") = "6"
    & skf21("2","3","5","3","5","7","2","1") = "6"
    & skf21("2","3","5","3","5","7","3","1") = "6"
    & skf21("2","3","5","3","5","7","4","1") = "6"
    & skf21("2","3","5","3","5","7","5","1") = "6"
    & skf21("2","3","5","3","5","7","6","1") = "6"
    & skf21("2","3","5","3","5","7","7","1") = "6"
    & skf21("2","3","5","3","6","1","1","1") = "5"
    & skf21("2","3","5","3","6","1","2","1") = "5"
    & skf21("2","3","5","3","6","1","3","1") = "5"
    & skf21("2","3","5","3","6","1","4","1") = "5"
    & skf21("2","3","5","3","6","1","5","1") = "5"
    & skf21("2","3","5","3","6","1","6","1") = "5"
    & skf21("2","3","5","3","6","1","7","1") = "6"
    & skf21("2","3","5","3","6","2","1","1") = "5"
    & skf21("2","3","5","3","6","2","2","1") = "5"
    & skf21("2","3","5","3","6","2","3","1") = "5"
    & skf21("2","3","5","3","6","2","4","1") = "5"
    & skf21("2","3","5","3","6","2","5","1") = "5"
    & skf21("2","3","5","3","6","2","6","1") = "5"
    & skf21("2","3","5","3","6","2","7","1") = "6"
    & skf21("2","3","5","3","6","3","1","1") = "5"
    & skf21("2","3","5","3","6","3","2","1") = "5"
    & skf21("2","3","5","3","6","3","3","1") = "5"
    & skf21("2","3","5","3","6","3","4","1") = "5"
    & skf21("2","3","5","3","6","3","5","1") = "5"
    & skf21("2","3","5","3","6","3","6","1") = "5"
    & skf21("2","3","5","3","6","3","7","1") = "6"
    & skf21("2","3","5","3","6","4","1","1") = "5"
    & skf21("2","3","5","3","6","4","2","1") = "5"
    & skf21("2","3","5","3","6","4","3","1") = "5"
    & skf21("2","3","5","3","6","4","4","1") = "5"
    & skf21("2","3","5","3","6","4","5","1") = "5"
    & skf21("2","3","5","3","6","4","6","1") = "5"
    & skf21("2","3","5","3","6","4","7","1") = "6"
    & skf21("2","3","5","3","6","5","1","1") = "5"
    & skf21("2","3","5","3","6","5","2","1") = "5"
    & skf21("2","3","5","3","6","5","3","1") = "5"
    & skf21("2","3","5","3","6","5","4","1") = "5"
    & skf21("2","3","5","3","6","5","5","1") = "5"
    & skf21("2","3","5","3","6","5","6","1") = "5"
    & skf21("2","3","5","3","6","5","7","1") = "6"
    & skf21("2","3","5","3","6","6","1","1") = "5"
    & skf21("2","3","5","3","6","6","2","1") = "5"
    & skf21("2","3","5","3","6","6","3","1") = "5"
    & skf21("2","3","5","3","6","6","4","1") = "5"
    & skf21("2","3","5","3","6","6","5","1") = "5"
    & skf21("2","3","5","3","6","6","6","1") = "5"
    & skf21("2","3","5","3","6","6","7","1") = "6"
    & skf21("2","3","5","3","6","7","1","1") = "6"
    & skf21("2","3","5","3","6","7","2","1") = "6"
    & skf21("2","3","5","3","6","7","3","1") = "6"
    & skf21("2","3","5","3","6","7","4","1") = "6"
    & skf21("2","3","5","3","6","7","5","1") = "6"
    & skf21("2","3","5","3","6","7","6","1") = "6"
    & skf21("2","3","5","3","6","7","7","1") = "6"
    & skf21("2","3","5","3","7","1","1","1") = "6"
    & skf21("2","3","5","3","7","1","2","1") = "6"
    & skf21("2","3","5","3","7","1","3","1") = "6"
    & skf21("2","3","5","3","7","1","4","1") = "6"
    & skf21("2","3","5","3","7","1","5","1") = "6"
    & skf21("2","3","5","3","7","1","6","1") = "6"
    & skf21("2","3","5","3","7","1","7","1") = "6"
    & skf21("2","3","5","3","7","2","1","1") = "6"
    & skf21("2","3","5","3","7","2","2","1") = "6"
    & skf21("2","3","5","3","7","2","3","1") = "6"
    & skf21("2","3","5","3","7","2","4","1") = "6"
    & skf21("2","3","5","3","7","2","5","1") = "6"
    & skf21("2","3","5","3","7","2","6","1") = "6"
    & skf21("2","3","5","3","7","2","7","1") = "6"
    & skf21("2","3","5","3","7","3","1","1") = "6"
    & skf21("2","3","5","3","7","3","2","1") = "6"
    & skf21("2","3","5","3","7","3","3","1") = "6"
    & skf21("2","3","5","3","7","3","4","1") = "6"
    & skf21("2","3","5","3","7","3","5","1") = "6"
    & skf21("2","3","5","3","7","3","6","1") = "6"
    & skf21("2","3","5","3","7","3","7","1") = "6"
    & skf21("2","3","5","3","7","4","1","1") = "6"
    & skf21("2","3","5","3","7","4","2","1") = "6"
    & skf21("2","3","5","3","7","4","3","1") = "6"
    & skf21("2","3","5","3","7","4","4","1") = "6"
    & skf21("2","3","5","3","7","4","5","1") = "6"
    & skf21("2","3","5","3","7","4","6","1") = "6"
    & skf21("2","3","5","3","7","4","7","1") = "6"
    & skf21("2","3","5","3","7","5","1","1") = "6"
    & skf21("2","3","5","3","7","5","2","1") = "6"
    & skf21("2","3","5","3","7","5","3","1") = "6"
    & skf21("2","3","5","3","7","5","4","1") = "6"
    & skf21("2","3","5","3","7","5","5","1") = "6"
    & skf21("2","3","5","3","7","5","6","1") = "6"
    & skf21("2","3","5","3","7","5","7","1") = "6"
    & skf21("2","3","5","3","7","6","1","1") = "6"
    & skf21("2","3","5","3","7","6","2","1") = "6"
    & skf21("2","3","5","3","7","6","3","1") = "6"
    & skf21("2","3","5","3","7","6","4","1") = "6"
    & skf21("2","3","5","3","7","6","5","1") = "6"
    & skf21("2","3","5","3","7","6","6","1") = "6"
    & skf21("2","3","5","3","7","6","7","1") = "6"
    & skf21("2","3","5","3","7","7","1","1") = "6"
    & skf21("2","3","5","3","7","7","2","1") = "6"
    & skf21("2","3","5","3","7","7","3","1") = "6"
    & skf21("2","3","5","3","7","7","4","1") = "6"
    & skf21("2","3","5","3","7","7","5","1") = "6"
    & skf21("2","3","5","3","7","7","6","1") = "6"
    & skf21("2","3","5","3","7","7","7","1") = "6"
    & skf21("2","3","5","4","1","1","1","1") = "4"
    & skf21("2","3","5","4","1","1","2","1") = "4"
    & skf21("2","3","5","4","1","1","3","1") = "4"
    & skf21("2","3","5","4","1","1","4","1") = "4"
    & skf21("2","3","5","4","1","1","5","1") = "4"
    & skf21("2","3","5","4","1","1","6","1") = "5"
    & skf21("2","3","5","4","1","1","7","1") = "6"
    & skf21("2","3","5","4","1","2","1","1") = "4"
    & skf21("2","3","5","4","1","2","2","1") = "4"
    & skf21("2","3","5","4","1","2","3","1") = "4"
    & skf21("2","3","5","4","1","2","4","1") = "4"
    & skf21("2","3","5","4","1","2","5","1") = "4"
    & skf21("2","3","5","4","1","2","6","1") = "5"
    & skf21("2","3","5","4","1","2","7","1") = "6"
    & skf21("2","3","5","4","1","3","1","1") = "4"
    & skf21("2","3","5","4","1","3","2","1") = "4"
    & skf21("2","3","5","4","1","3","3","1") = "4"
    & skf21("2","3","5","4","1","3","4","1") = "4"
    & skf21("2","3","5","4","1","3","5","1") = "4"
    & skf21("2","3","5","4","1","3","6","1") = "5"
    & skf21("2","3","5","4","1","3","7","1") = "6"
    & skf21("2","3","5","4","1","4","1","1") = "4"
    & skf21("2","3","5","4","1","4","2","1") = "4"
    & skf21("2","3","5","4","1","4","3","1") = "4"
    & skf21("2","3","5","4","1","4","4","1") = "4"
    & skf21("2","3","5","4","1","4","5","1") = "4"
    & skf21("2","3","5","4","1","4","6","1") = "5"
    & skf21("2","3","5","4","1","4","7","1") = "6"
    & skf21("2","3","5","4","1","5","1","1") = "4"
    & skf21("2","3","5","4","1","5","2","1") = "4"
    & skf21("2","3","5","4","1","5","3","1") = "4"
    & skf21("2","3","5","4","1","5","4","1") = "4"
    & skf21("2","3","5","4","1","5","5","1") = "4"
    & skf21("2","3","5","4","1","5","6","1") = "5"
    & skf21("2","3","5","4","1","5","7","1") = "6"
    & skf21("2","3","5","4","1","6","1","1") = "5"
    & skf21("2","3","5","4","1","6","2","1") = "5"
    & skf21("2","3","5","4","1","6","3","1") = "5"
    & skf21("2","3","5","4","1","6","4","1") = "5"
    & skf21("2","3","5","4","1","6","5","1") = "5"
    & skf21("2","3","5","4","1","6","6","1") = "5"
    & skf21("2","3","5","4","1","6","7","1") = "6"
    & skf21("2","3","5","4","1","7","1","1") = "6"
    & skf21("2","3","5","4","1","7","2","1") = "6"
    & skf21("2","3","5","4","1","7","3","1") = "6"
    & skf21("2","3","5","4","1","7","4","1") = "6"
    & skf21("2","3","5","4","1","7","5","1") = "6"
    & skf21("2","3","5","4","1","7","6","1") = "6"
    & skf21("2","3","5","4","1","7","7","1") = "6"
    & skf21("2","3","5","4","2","1","1","1") = "4"
    & skf21("2","3","5","4","2","1","2","1") = "4"
    & skf21("2","3","5","4","2","1","3","1") = "4"
    & skf21("2","3","5","4","2","1","4","1") = "4"
    & skf21("2","3","5","4","2","1","5","1") = "4"
    & skf21("2","3","5","4","2","1","6","1") = "5"
    & skf21("2","3","5","4","2","1","7","1") = "6"
    & skf21("2","3","5","4","2","2","1","1") = "4"
    & skf21("2","3","5","4","2","2","2","1") = "4"
    & skf21("2","3","5","4","2","2","3","1") = "4"
    & skf21("2","3","5","4","2","2","4","1") = "4"
    & skf21("2","3","5","4","2","2","5","1") = "4"
    & skf21("2","3","5","4","2","2","6","1") = "5"
    & skf21("2","3","5","4","2","2","7","1") = "6"
    & skf21("2","3","5","4","2","3","1","1") = "4"
    & skf21("2","3","5","4","2","3","2","1") = "4"
    & skf21("2","3","5","4","2","3","3","1") = "4"
    & skf21("2","3","5","4","2","3","4","1") = "4"
    & skf21("2","3","5","4","2","3","5","1") = "4"
    & skf21("2","3","5","4","2","3","6","1") = "5"
    & skf21("2","3","5","4","2","3","7","1") = "6"
    & skf21("2","3","5","4","2","4","1","1") = "4"
    & skf21("2","3","5","4","2","4","2","1") = "4"
    & skf21("2","3","5","4","2","4","3","1") = "4"
    & skf21("2","3","5","4","2","4","4","1") = "4"
    & skf21("2","3","5","4","2","4","5","1") = "4"
    & skf21("2","3","5","4","2","4","6","1") = "5"
    & skf21("2","3","5","4","2","4","7","1") = "6"
    & skf21("2","3","5","4","2","5","1","1") = "4"
    & skf21("2","3","5","4","2","5","2","1") = "4"
    & skf21("2","3","5","4","2","5","3","1") = "4"
    & skf21("2","3","5","4","2","5","4","1") = "4"
    & skf21("2","3","5","4","2","5","5","1") = "4"
    & skf21("2","3","5","4","2","5","6","1") = "5"
    & skf21("2","3","5","4","2","5","7","1") = "6"
    & skf21("2","3","5","4","2","6","1","1") = "5"
    & skf21("2","3","5","4","2","6","2","1") = "5"
    & skf21("2","3","5","4","2","6","3","1") = "5"
    & skf21("2","3","5","4","2","6","4","1") = "5"
    & skf21("2","3","5","4","2","6","5","1") = "5"
    & skf21("2","3","5","4","2","6","6","1") = "5"
    & skf21("2","3","5","4","2","6","7","1") = "6"
    & skf21("2","3","5","4","2","7","1","1") = "6"
    & skf21("2","3","5","4","2","7","2","1") = "6"
    & skf21("2","3","5","4","2","7","3","1") = "6"
    & skf21("2","3","5","4","2","7","4","1") = "6"
    & skf21("2","3","5","4","2","7","5","1") = "6"
    & skf21("2","3","5","4","2","7","6","1") = "6"
    & skf21("2","3","5","4","2","7","7","1") = "6"
    & skf21("2","3","5","4","3","1","1","1") = "4"
    & skf21("2","3","5","4","3","1","2","1") = "4"
    & skf21("2","3","5","4","3","1","3","1") = "4"
    & skf21("2","3","5","4","3","1","4","1") = "4"
    & skf21("2","3","5","4","3","1","5","1") = "4"
    & skf21("2","3","5","4","3","1","6","1") = "5"
    & skf21("2","3","5","4","3","1","7","1") = "6"
    & skf21("2","3","5","4","3","2","1","1") = "4"
    & skf21("2","3","5","4","3","2","2","1") = "4"
    & skf21("2","3","5","4","3","2","3","1") = "4"
    & skf21("2","3","5","4","3","2","4","1") = "4"
    & skf21("2","3","5","4","3","2","5","1") = "4"
    & skf21("2","3","5","4","3","2","6","1") = "5"
    & skf21("2","3","5","4","3","2","7","1") = "6"
    & skf21("2","3","5","4","3","3","1","1") = "4"
    & skf21("2","3","5","4","3","3","2","1") = "4"
    & skf21("2","3","5","4","3","3","3","1") = "4"
    & skf21("2","3","5","4","3","3","4","1") = "4"
    & skf21("2","3","5","4","3","3","5","1") = "4"
    & skf21("2","3","5","4","3","3","6","1") = "5"
    & skf21("2","3","5","4","3","3","7","1") = "6"
    & skf21("2","3","5","4","3","4","1","1") = "4"
    & skf21("2","3","5","4","3","4","2","1") = "4"
    & skf21("2","3","5","4","3","4","3","1") = "4"
    & skf21("2","3","5","4","3","4","4","1") = "4"
    & skf21("2","3","5","4","3","4","5","1") = "4"
    & skf21("2","3","5","4","3","4","6","1") = "5"
    & skf21("2","3","5","4","3","4","7","1") = "6"
    & skf21("2","3","5","4","3","5","1","1") = "4"
    & skf21("2","3","5","4","3","5","2","1") = "4"
    & skf21("2","3","5","4","3","5","3","1") = "4"
    & skf21("2","3","5","4","3","5","4","1") = "4"
    & skf21("2","3","5","4","3","5","5","1") = "4"
    & skf21("2","3","5","4","3","5","6","1") = "5"
    & skf21("2","3","5","4","3","5","7","1") = "6"
    & skf21("2","3","5","4","3","6","1","1") = "5"
    & skf21("2","3","5","4","3","6","2","1") = "5"
    & skf21("2","3","5","4","3","6","3","1") = "5"
    & skf21("2","3","5","4","3","6","4","1") = "5"
    & skf21("2","3","5","4","3","6","5","1") = "5"
    & skf21("2","3","5","4","3","6","6","1") = "5"
    & skf21("2","3","5","4","3","6","7","1") = "6"
    & skf21("2","3","5","4","3","7","1","1") = "6"
    & skf21("2","3","5","4","3","7","2","1") = "6"
    & skf21("2","3","5","4","3","7","3","1") = "6"
    & skf21("2","3","5","4","3","7","4","1") = "6"
    & skf21("2","3","5","4","3","7","5","1") = "6"
    & skf21("2","3","5","4","3","7","6","1") = "6"
    & skf21("2","3","5","4","3","7","7","1") = "6"
    & skf21("2","3","5","4","4","1","1","1") = "4"
    & skf21("2","3","5","4","4","1","2","1") = "4"
    & skf21("2","3","5","4","4","1","3","1") = "4"
    & skf21("2","3","5","4","4","1","4","1") = "4"
    & skf21("2","3","5","4","4","1","5","1") = "4"
    & skf21("2","3","5","4","4","1","6","1") = "5"
    & skf21("2","3","5","4","4","1","7","1") = "6"
    & skf21("2","3","5","4","4","2","1","1") = "4"
    & skf21("2","3","5","4","4","2","2","1") = "4"
    & skf21("2","3","5","4","4","2","3","1") = "4"
    & skf21("2","3","5","4","4","2","4","1") = "4"
    & skf21("2","3","5","4","4","2","5","1") = "4"
    & skf21("2","3","5","4","4","2","6","1") = "5"
    & skf21("2","3","5","4","4","2","7","1") = "6"
    & skf21("2","3","5","4","4","3","1","1") = "4"
    & skf21("2","3","5","4","4","3","2","1") = "4"
    & skf21("2","3","5","4","4","3","3","1") = "4"
    & skf21("2","3","5","4","4","3","4","1") = "4"
    & skf21("2","3","5","4","4","3","5","1") = "4"
    & skf21("2","3","5","4","4","3","6","1") = "5"
    & skf21("2","3","5","4","4","3","7","1") = "6"
    & skf21("2","3","5","4","4","4","1","1") = "4"
    & skf21("2","3","5","4","4","4","2","1") = "4"
    & skf21("2","3","5","4","4","4","3","1") = "4"
    & skf21("2","3","5","4","4","4","4","1") = "4"
    & skf21("2","3","5","4","4","4","5","1") = "4"
    & skf21("2","3","5","4","4","4","6","1") = "5"
    & skf21("2","3","5","4","4","4","7","1") = "6"
    & skf21("2","3","5","4","4","5","1","1") = "4"
    & skf21("2","3","5","4","4","5","2","1") = "4"
    & skf21("2","3","5","4","4","5","3","1") = "4"
    & skf21("2","3","5","4","4","5","4","1") = "4"
    & skf21("2","3","5","4","4","5","5","1") = "4"
    & skf21("2","3","5","4","4","5","6","1") = "5"
    & skf21("2","3","5","4","4","5","7","1") = "6"
    & skf21("2","3","5","4","4","6","1","1") = "5"
    & skf21("2","3","5","4","4","6","2","1") = "5"
    & skf21("2","3","5","4","4","6","3","1") = "5"
    & skf21("2","3","5","4","4","6","4","1") = "5"
    & skf21("2","3","5","4","4","6","5","1") = "5"
    & skf21("2","3","5","4","4","6","6","1") = "5"
    & skf21("2","3","5","4","4","6","7","1") = "6"
    & skf21("2","3","5","4","4","7","1","1") = "6"
    & skf21("2","3","5","4","4","7","2","1") = "6"
    & skf21("2","3","5","4","4","7","3","1") = "6"
    & skf21("2","3","5","4","4","7","4","1") = "6"
    & skf21("2","3","5","4","4","7","5","1") = "6"
    & skf21("2","3","5","4","4","7","6","1") = "6"
    & skf21("2","3","5","4","4","7","7","1") = "6"
    & skf21("2","3","5","4","5","1","1","1") = "4"
    & skf21("2","3","5","4","5","1","2","1") = "4"
    & skf21("2","3","5","4","5","1","3","1") = "4"
    & skf21("2","3","5","4","5","1","4","1") = "4"
    & skf21("2","3","5","4","5","1","5","1") = "4"
    & skf21("2","3","5","4","5","1","6","1") = "5"
    & skf21("2","3","5","4","5","1","7","1") = "6"
    & skf21("2","3","5","4","5","2","1","1") = "4"
    & skf21("2","3","5","4","5","2","2","1") = "4"
    & skf21("2","3","5","4","5","2","3","1") = "4"
    & skf21("2","3","5","4","5","2","4","1") = "4"
    & skf21("2","3","5","4","5","2","5","1") = "4"
    & skf21("2","3","5","4","5","2","6","1") = "5"
    & skf21("2","3","5","4","5","2","7","1") = "6"
    & skf21("2","3","5","4","5","3","1","1") = "4"
    & skf21("2","3","5","4","5","3","2","1") = "4"
    & skf21("2","3","5","4","5","3","3","1") = "4"
    & skf21("2","3","5","4","5","3","4","1") = "4"
    & skf21("2","3","5","4","5","3","5","1") = "4"
    & skf21("2","3","5","4","5","3","6","1") = "5"
    & skf21("2","3","5","4","5","3","7","1") = "6"
    & skf21("2","3","5","4","5","4","1","1") = "4"
    & skf21("2","3","5","4","5","4","2","1") = "4"
    & skf21("2","3","5","4","5","4","3","1") = "4"
    & skf21("2","3","5","4","5","4","4","1") = "4"
    & skf21("2","3","5","4","5","4","5","1") = "4"
    & skf21("2","3","5","4","5","4","6","1") = "5"
    & skf21("2","3","5","4","5","4","7","1") = "6"
    & skf21("2","3","5","4","5","5","1","1") = "4"
    & skf21("2","3","5","4","5","5","2","1") = "4"
    & skf21("2","3","5","4","5","5","3","1") = "4"
    & skf21("2","3","5","4","5","5","4","1") = "4"
    & skf21("2","3","5","4","5","5","5","1") = "4"
    & skf21("2","3","5","4","5","5","6","1") = "5"
    & skf21("2","3","5","4","5","5","7","1") = "6"
    & skf21("2","3","5","4","5","6","1","1") = "5"
    & skf21("2","3","5","4","5","6","2","1") = "5"
    & skf21("2","3","5","4","5","6","3","1") = "5"
    & skf21("2","3","5","4","5","6","4","1") = "5"
    & skf21("2","3","5","4","5","6","5","1") = "5"
    & skf21("2","3","5","4","5","6","6","1") = "5"
    & skf21("2","3","5","4","5","6","7","1") = "6"
    & skf21("2","3","5","4","5","7","1","1") = "6"
    & skf21("2","3","5","4","5","7","2","1") = "6"
    & skf21("2","3","5","4","5","7","3","1") = "6"
    & skf21("2","3","5","4","5","7","4","1") = "6"
    & skf21("2","3","5","4","5","7","5","1") = "6"
    & skf21("2","3","5","4","5","7","6","1") = "6"
    & skf21("2","3","5","4","5","7","7","1") = "6"
    & skf21("2","3","5","4","6","1","1","1") = "5"
    & skf21("2","3","5","4","6","1","2","1") = "5"
    & skf21("2","3","5","4","6","1","3","1") = "5"
    & skf21("2","3","5","4","6","1","4","1") = "5"
    & skf21("2","3","5","4","6","1","5","1") = "5"
    & skf21("2","3","5","4","6","1","6","1") = "5"
    & skf21("2","3","5","4","6","1","7","1") = "6"
    & skf21("2","3","5","4","6","2","1","1") = "5"
    & skf21("2","3","5","4","6","2","2","1") = "5"
    & skf21("2","3","5","4","6","2","3","1") = "5"
    & skf21("2","3","5","4","6","2","4","1") = "5"
    & skf21("2","3","5","4","6","2","5","1") = "5"
    & skf21("2","3","5","4","6","2","6","1") = "5"
    & skf21("2","3","5","4","6","2","7","1") = "6"
    & skf21("2","3","5","4","6","3","1","1") = "5"
    & skf21("2","3","5","4","6","3","2","1") = "5"
    & skf21("2","3","5","4","6","3","3","1") = "5"
    & skf21("2","3","5","4","6","3","4","1") = "5"
    & skf21("2","3","5","4","6","3","5","1") = "5"
    & skf21("2","3","5","4","6","3","6","1") = "5"
    & skf21("2","3","5","4","6","3","7","1") = "6"
    & skf21("2","3","5","4","6","4","1","1") = "5"
    & skf21("2","3","5","4","6","4","2","1") = "5"
    & skf21("2","3","5","4","6","4","3","1") = "5"
    & skf21("2","3","5","4","6","4","4","1") = "5"
    & skf21("2","3","5","4","6","4","5","1") = "5"
    & skf21("2","3","5","4","6","4","6","1") = "5"
    & skf21("2","3","5","4","6","4","7","1") = "6"
    & skf21("2","3","5","4","6","5","1","1") = "5"
    & skf21("2","3","5","4","6","5","2","1") = "5"
    & skf21("2","3","5","4","6","5","3","1") = "5"
    & skf21("2","3","5","4","6","5","4","1") = "5"
    & skf21("2","3","5","4","6","5","5","1") = "5"
    & skf21("2","3","5","4","6","5","6","1") = "5"
    & skf21("2","3","5","4","6","5","7","1") = "6"
    & skf21("2","3","5","4","6","6","1","1") = "5"
    & skf21("2","3","5","4","6","6","2","1") = "5"
    & skf21("2","3","5","4","6","6","3","1") = "5"
    & skf21("2","3","5","4","6","6","4","1") = "5"
    & skf21("2","3","5","4","6","6","5","1") = "5"
    & skf21("2","3","5","4","6","6","6","1") = "5"
    & skf21("2","3","5","4","6","6","7","1") = "6"
    & skf21("2","3","5","4","6","7","1","1") = "6"
    & skf21("2","3","5","4","6","7","2","1") = "6"
    & skf21("2","3","5","4","6","7","3","1") = "6"
    & skf21("2","3","5","4","6","7","4","1") = "6"
    & skf21("2","3","5","4","6","7","5","1") = "6"
    & skf21("2","3","5","4","6","7","6","1") = "6"
    & skf21("2","3","5","4","6","7","7","1") = "6"
    & skf21("2","3","5","4","7","1","1","1") = "6"
    & skf21("2","3","5","4","7","1","2","1") = "6"
    & skf21("2","3","5","4","7","1","3","1") = "6"
    & skf21("2","3","5","4","7","1","4","1") = "6"
    & skf21("2","3","5","4","7","1","5","1") = "6"
    & skf21("2","3","5","4","7","1","6","1") = "6"
    & skf21("2","3","5","4","7","1","7","1") = "6"
    & skf21("2","3","5","4","7","2","1","1") = "6"
    & skf21("2","3","5","4","7","2","2","1") = "6"
    & skf21("2","3","5","4","7","2","3","1") = "6"
    & skf21("2","3","5","4","7","2","4","1") = "6"
    & skf21("2","3","5","4","7","2","5","1") = "6"
    & skf21("2","3","5","4","7","2","6","1") = "6"
    & skf21("2","3","5","4","7","2","7","1") = "6"
    & skf21("2","3","5","4","7","3","1","1") = "6"
    & skf21("2","3","5","4","7","3","2","1") = "6"
    & skf21("2","3","5","4","7","3","3","1") = "6"
    & skf21("2","3","5","4","7","3","4","1") = "6"
    & skf21("2","3","5","4","7","3","5","1") = "6"
    & skf21("2","3","5","4","7","3","6","1") = "6"
    & skf21("2","3","5","4","7","3","7","1") = "6"
    & skf21("2","3","5","4","7","4","1","1") = "6"
    & skf21("2","3","5","4","7","4","2","1") = "6"
    & skf21("2","3","5","4","7","4","3","1") = "6"
    & skf21("2","3","5","4","7","4","4","1") = "6"
    & skf21("2","3","5","4","7","4","5","1") = "6"
    & skf21("2","3","5","4","7","4","6","1") = "6"
    & skf21("2","3","5","4","7","4","7","1") = "6"
    & skf21("2","3","5","4","7","5","1","1") = "6"
    & skf21("2","3","5","4","7","5","2","1") = "6"
    & skf21("2","3","5","4","7","5","3","1") = "6"
    & skf21("2","3","5","4","7","5","4","1") = "6"
    & skf21("2","3","5","4","7","5","5","1") = "6"
    & skf21("2","3","5","4","7","5","6","1") = "6"
    & skf21("2","3","5","4","7","5","7","1") = "6"
    & skf21("2","3","5","4","7","6","1","1") = "6"
    & skf21("2","3","5","4","7","6","2","1") = "6"
    & skf21("2","3","5","4","7","6","3","1") = "6"
    & skf21("2","3","5","4","7","6","4","1") = "6"
    & skf21("2","3","5","4","7","6","5","1") = "6"
    & skf21("2","3","5","4","7","6","6","1") = "6"
    & skf21("2","3","5","4","7","6","7","1") = "6"
    & skf21("2","3","5","4","7","7","1","1") = "6"
    & skf21("2","3","5","4","7","7","2","1") = "6"
    & skf21("2","3","5","4","7","7","3","1") = "6"
    & skf21("2","3","5","4","7","7","4","1") = "6"
    & skf21("2","3","5","4","7","7","5","1") = "6"
    & skf21("2","3","5","4","7","7","6","1") = "6"
    & skf21("2","3","5","4","7","7","7","1") = "6"
    & skf21("2","3","5","5","1","1","1","1") = "4"
    & skf21("2","3","5","5","1","1","2","1") = "4"
    & skf21("2","3","5","5","1","1","3","1") = "4"
    & skf21("2","3","5","5","1","1","4","1") = "4"
    & skf21("2","3","5","5","1","1","5","1") = "4"
    & skf21("2","3","5","5","1","1","6","1") = "5"
    & skf21("2","3","5","5","1","1","7","1") = "6"
    & skf21("2","3","5","5","1","2","1","1") = "4"
    & skf21("2","3","5","5","1","2","2","1") = "4"
    & skf21("2","3","5","5","1","2","3","1") = "4"
    & skf21("2","3","5","5","1","2","4","1") = "4"
    & skf21("2","3","5","5","1","2","5","1") = "4"
    & skf21("2","3","5","5","1","2","6","1") = "5"
    & skf21("2","3","5","5","1","2","7","1") = "6"
    & skf21("2","3","5","5","1","3","1","1") = "4"
    & skf21("2","3","5","5","1","3","2","1") = "4"
    & skf21("2","3","5","5","1","3","3","1") = "4"
    & skf21("2","3","5","5","1","3","4","1") = "4"
    & skf21("2","3","5","5","1","3","5","1") = "4"
    & skf21("2","3","5","5","1","3","6","1") = "5"
    & skf21("2","3","5","5","1","3","7","1") = "6"
    & skf21("2","3","5","5","1","4","1","1") = "4"
    & skf21("2","3","5","5","1","4","2","1") = "4"
    & skf21("2","3","5","5","1","4","3","1") = "4"
    & skf21("2","3","5","5","1","4","4","1") = "4"
    & skf21("2","3","5","5","1","4","5","1") = "4"
    & skf21("2","3","5","5","1","4","6","1") = "5"
    & skf21("2","3","5","5","1","4","7","1") = "6"
    & skf21("2","3","5","5","1","5","1","1") = "4"
    & skf21("2","3","5","5","1","5","2","1") = "4"
    & skf21("2","3","5","5","1","5","3","1") = "4"
    & skf21("2","3","5","5","1","5","4","1") = "4"
    & skf21("2","3","5","5","1","5","5","1") = "4"
    & skf21("2","3","5","5","1","5","6","1") = "5"
    & skf21("2","3","5","5","1","5","7","1") = "6"
    & skf21("2","3","5","5","1","6","1","1") = "5"
    & skf21("2","3","5","5","1","6","2","1") = "5"
    & skf21("2","3","5","5","1","6","3","1") = "5"
    & skf21("2","3","5","5","1","6","4","1") = "5"
    & skf21("2","3","5","5","1","6","5","1") = "5"
    & skf21("2","3","5","5","1","6","6","1") = "5"
    & skf21("2","3","5","5","1","6","7","1") = "6"
    & skf21("2","3","5","5","1","7","1","1") = "6"
    & skf21("2","3","5","5","1","7","2","1") = "6"
    & skf21("2","3","5","5","1","7","3","1") = "6"
    & skf21("2","3","5","5","1","7","4","1") = "6"
    & skf21("2","3","5","5","1","7","5","1") = "6"
    & skf21("2","3","5","5","1","7","6","1") = "6"
    & skf21("2","3","5","5","1","7","7","1") = "6"
    & skf21("2","3","5","5","2","1","1","1") = "4"
    & skf21("2","3","5","5","2","1","2","1") = "4"
    & skf21("2","3","5","5","2","1","3","1") = "4"
    & skf21("2","3","5","5","2","1","4","1") = "4"
    & skf21("2","3","5","5","2","1","5","1") = "4"
    & skf21("2","3","5","5","2","1","6","1") = "5"
    & skf21("2","3","5","5","2","1","7","1") = "6"
    & skf21("2","3","5","5","2","2","1","1") = "4"
    & skf21("2","3","5","5","2","2","2","1") = "4"
    & skf21("2","3","5","5","2","2","3","1") = "4"
    & skf21("2","3","5","5","2","2","4","1") = "4"
    & skf21("2","3","5","5","2","2","5","1") = "4"
    & skf21("2","3","5","5","2","2","6","1") = "5"
    & skf21("2","3","5","5","2","2","7","1") = "6"
    & skf21("2","3","5","5","2","3","1","1") = "4"
    & skf21("2","3","5","5","2","3","2","1") = "4"
    & skf21("2","3","5","5","2","3","3","1") = "4"
    & skf21("2","3","5","5","2","3","4","1") = "4"
    & skf21("2","3","5","5","2","3","5","1") = "4"
    & skf21("2","3","5","5","2","3","6","1") = "5"
    & skf21("2","3","5","5","2","3","7","1") = "6"
    & skf21("2","3","5","5","2","4","1","1") = "4"
    & skf21("2","3","5","5","2","4","2","1") = "4"
    & skf21("2","3","5","5","2","4","3","1") = "4"
    & skf21("2","3","5","5","2","4","4","1") = "4"
    & skf21("2","3","5","5","2","4","5","1") = "4"
    & skf21("2","3","5","5","2","4","6","1") = "5"
    & skf21("2","3","5","5","2","4","7","1") = "6"
    & skf21("2","3","5","5","2","5","1","1") = "4"
    & skf21("2","3","5","5","2","5","2","1") = "4"
    & skf21("2","3","5","5","2","5","3","1") = "4"
    & skf21("2","3","5","5","2","5","4","1") = "4"
    & skf21("2","3","5","5","2","5","5","1") = "4"
    & skf21("2","3","5","5","2","5","6","1") = "5"
    & skf21("2","3","5","5","2","5","7","1") = "6"
    & skf21("2","3","5","5","2","6","1","1") = "5"
    & skf21("2","3","5","5","2","6","2","1") = "5"
    & skf21("2","3","5","5","2","6","3","1") = "5"
    & skf21("2","3","5","5","2","6","4","1") = "5"
    & skf21("2","3","5","5","2","6","5","1") = "5"
    & skf21("2","3","5","5","2","6","6","1") = "5"
    & skf21("2","3","5","5","2","6","7","1") = "6"
    & skf21("2","3","5","5","2","7","1","1") = "6"
    & skf21("2","3","5","5","2","7","2","1") = "6"
    & skf21("2","3","5","5","2","7","3","1") = "6"
    & skf21("2","3","5","5","2","7","4","1") = "6"
    & skf21("2","3","5","5","2","7","5","1") = "6"
    & skf21("2","3","5","5","2","7","6","1") = "6"
    & skf21("2","3","5","5","2","7","7","1") = "6"
    & skf21("2","3","5","5","3","1","1","1") = "4"
    & skf21("2","3","5","5","3","1","2","1") = "4"
    & skf21("2","3","5","5","3","1","3","1") = "4"
    & skf21("2","3","5","5","3","1","4","1") = "4"
    & skf21("2","3","5","5","3","1","5","1") = "4"
    & skf21("2","3","5","5","3","1","6","1") = "5"
    & skf21("2","3","5","5","3","1","7","1") = "6"
    & skf21("2","3","5","5","3","2","1","1") = "4"
    & skf21("2","3","5","5","3","2","2","1") = "4"
    & skf21("2","3","5","5","3","2","3","1") = "4"
    & skf21("2","3","5","5","3","2","4","1") = "4"
    & skf21("2","3","5","5","3","2","5","1") = "4"
    & skf21("2","3","5","5","3","2","6","1") = "5"
    & skf21("2","3","5","5","3","2","7","1") = "6"
    & skf21("2","3","5","5","3","3","1","1") = "4"
    & skf21("2","3","5","5","3","3","2","1") = "4"
    & skf21("2","3","5","5","3","3","3","1") = "4"
    & skf21("2","3","5","5","3","3","4","1") = "4"
    & skf21("2","3","5","5","3","3","5","1") = "4"
    & skf21("2","3","5","5","3","3","6","1") = "5"
    & skf21("2","3","5","5","3","3","7","1") = "6"
    & skf21("2","3","5","5","3","4","1","1") = "4"
    & skf21("2","3","5","5","3","4","2","1") = "4"
    & skf21("2","3","5","5","3","4","3","1") = "4"
    & skf21("2","3","5","5","3","4","4","1") = "4"
    & skf21("2","3","5","5","3","4","5","1") = "4"
    & skf21("2","3","5","5","3","4","6","1") = "5"
    & skf21("2","3","5","5","3","4","7","1") = "6"
    & skf21("2","3","5","5","3","5","1","1") = "4"
    & skf21("2","3","5","5","3","5","2","1") = "4"
    & skf21("2","3","5","5","3","5","3","1") = "4"
    & skf21("2","3","5","5","3","5","4","1") = "4"
    & skf21("2","3","5","5","3","5","5","1") = "4"
    & skf21("2","3","5","5","3","5","6","1") = "5"
    & skf21("2","3","5","5","3","5","7","1") = "6"
    & skf21("2","3","5","5","3","6","1","1") = "5"
    & skf21("2","3","5","5","3","6","2","1") = "5"
    & skf21("2","3","5","5","3","6","3","1") = "5"
    & skf21("2","3","5","5","3","6","4","1") = "5"
    & skf21("2","3","5","5","3","6","5","1") = "5"
    & skf21("2","3","5","5","3","6","6","1") = "5"
    & skf21("2","3","5","5","3","6","7","1") = "6"
    & skf21("2","3","5","5","3","7","1","1") = "6"
    & skf21("2","3","5","5","3","7","2","1") = "6"
    & skf21("2","3","5","5","3","7","3","1") = "6"
    & skf21("2","3","5","5","3","7","4","1") = "6"
    & skf21("2","3","5","5","3","7","5","1") = "6"
    & skf21("2","3","5","5","3","7","6","1") = "6"
    & skf21("2","3","5","5","3","7","7","1") = "6"
    & skf21("2","3","5","5","4","1","1","1") = "4"
    & skf21("2","3","5","5","4","1","2","1") = "4"
    & skf21("2","3","5","5","4","1","3","1") = "4"
    & skf21("2","3","5","5","4","1","4","1") = "4"
    & skf21("2","3","5","5","4","1","5","1") = "4"
    & skf21("2","3","5","5","4","1","6","1") = "5"
    & skf21("2","3","5","5","4","1","7","1") = "6"
    & skf21("2","3","5","5","4","2","1","1") = "4"
    & skf21("2","3","5","5","4","2","2","1") = "4"
    & skf21("2","3","5","5","4","2","3","1") = "4"
    & skf21("2","3","5","5","4","2","4","1") = "4"
    & skf21("2","3","5","5","4","2","5","1") = "4"
    & skf21("2","3","5","5","4","2","6","1") = "5"
    & skf21("2","3","5","5","4","2","7","1") = "6"
    & skf21("2","3","5","5","4","3","1","1") = "4"
    & skf21("2","3","5","5","4","3","2","1") = "4"
    & skf21("2","3","5","5","4","3","3","1") = "4"
    & skf21("2","3","5","5","4","3","4","1") = "4"
    & skf21("2","3","5","5","4","3","5","1") = "4"
    & skf21("2","3","5","5","4","3","6","1") = "5"
    & skf21("2","3","5","5","4","3","7","1") = "6"
    & skf21("2","3","5","5","4","4","1","1") = "4"
    & skf21("2","3","5","5","4","4","2","1") = "4"
    & skf21("2","3","5","5","4","4","3","1") = "4"
    & skf21("2","3","5","5","4","4","4","1") = "4"
    & skf21("2","3","5","5","4","4","5","1") = "4"
    & skf21("2","3","5","5","4","4","6","1") = "5"
    & skf21("2","3","5","5","4","4","7","1") = "6"
    & skf21("2","3","5","5","4","5","1","1") = "4"
    & skf21("2","3","5","5","4","5","2","1") = "4"
    & skf21("2","3","5","5","4","5","3","1") = "4"
    & skf21("2","3","5","5","4","5","4","1") = "4"
    & skf21("2","3","5","5","4","5","5","1") = "4"
    & skf21("2","3","5","5","4","5","6","1") = "5"
    & skf21("2","3","5","5","4","5","7","1") = "6"
    & skf21("2","3","5","5","4","6","1","1") = "5"
    & skf21("2","3","5","5","4","6","2","1") = "5"
    & skf21("2","3","5","5","4","6","3","1") = "5"
    & skf21("2","3","5","5","4","6","4","1") = "5"
    & skf21("2","3","5","5","4","6","5","1") = "5"
    & skf21("2","3","5","5","4","6","6","1") = "5"
    & skf21("2","3","5","5","4","6","7","1") = "6"
    & skf21("2","3","5","5","4","7","1","1") = "6"
    & skf21("2","3","5","5","4","7","2","1") = "6"
    & skf21("2","3","5","5","4","7","3","1") = "6"
    & skf21("2","3","5","5","4","7","4","1") = "6"
    & skf21("2","3","5","5","4","7","5","1") = "6"
    & skf21("2","3","5","5","4","7","6","1") = "6"
    & skf21("2","3","5","5","4","7","7","1") = "6"
    & skf21("2","3","5","5","5","1","1","1") = "4"
    & skf21("2","3","5","5","5","1","2","1") = "4"
    & skf21("2","3","5","5","5","1","3","1") = "4"
    & skf21("2","3","5","5","5","1","4","1") = "4"
    & skf21("2","3","5","5","5","1","5","1") = "4"
    & skf21("2","3","5","5","5","1","6","1") = "5"
    & skf21("2","3","5","5","5","1","7","1") = "6"
    & skf21("2","3","5","5","5","2","1","1") = "4"
    & skf21("2","3","5","5","5","2","2","1") = "4"
    & skf21("2","3","5","5","5","2","3","1") = "4"
    & skf21("2","3","5","5","5","2","4","1") = "4"
    & skf21("2","3","5","5","5","2","5","1") = "4"
    & skf21("2","3","5","5","5","2","6","1") = "5"
    & skf21("2","3","5","5","5","2","7","1") = "6"
    & skf21("2","3","5","5","5","3","1","1") = "4"
    & skf21("2","3","5","5","5","3","2","1") = "4"
    & skf21("2","3","5","5","5","3","3","1") = "4"
    & skf21("2","3","5","5","5","3","4","1") = "4"
    & skf21("2","3","5","5","5","3","5","1") = "4"
    & skf21("2","3","5","5","5","3","6","1") = "5"
    & skf21("2","3","5","5","5","3","7","1") = "6"
    & skf21("2","3","5","5","5","4","1","1") = "4"
    & skf21("2","3","5","5","5","4","2","1") = "4"
    & skf21("2","3","5","5","5","4","3","1") = "4"
    & skf21("2","3","5","5","5","4","4","1") = "4"
    & skf21("2","3","5","5","5","4","5","1") = "4"
    & skf21("2","3","5","5","5","4","6","1") = "5"
    & skf21("2","3","5","5","5","4","7","1") = "6"
    & skf21("2","3","5","5","5","5","1","1") = "4"
    & skf21("2","3","5","5","5","5","2","1") = "4"
    & skf21("2","3","5","5","5","5","3","1") = "4"
    & skf21("2","3","5","5","5","5","4","1") = "4"
    & skf21("2","3","5","5","5","5","5","1") = "4"
    & skf21("2","3","5","5","5","5","6","1") = "5"
    & skf21("2","3","5","5","5","5","7","1") = "6"
    & skf21("2","3","5","5","5","6","1","1") = "5"
    & skf21("2","3","5","5","5","6","2","1") = "5"
    & skf21("2","3","5","5","5","6","3","1") = "5"
    & skf21("2","3","5","5","5","6","4","1") = "5"
    & skf21("2","3","5","5","5","6","5","1") = "5"
    & skf21("2","3","5","5","5","6","6","1") = "5"
    & skf21("2","3","5","5","5","6","7","1") = "6"
    & skf21("2","3","5","5","5","7","1","1") = "6"
    & skf21("2","3","5","5","5","7","2","1") = "6"
    & skf21("2","3","5","5","5","7","3","1") = "6"
    & skf21("2","3","5","5","5","7","4","1") = "6"
    & skf21("2","3","5","5","5","7","5","1") = "6"
    & skf21("2","3","5","5","5","7","6","1") = "6"
    & skf21("2","3","5","5","5","7","7","1") = "6"
    & skf21("2","3","5","5","6","1","1","1") = "5"
    & skf21("2","3","5","5","6","1","2","1") = "5"
    & skf21("2","3","5","5","6","1","3","1") = "5"
    & skf21("2","3","5","5","6","1","4","1") = "5"
    & skf21("2","3","5","5","6","1","5","1") = "5"
    & skf21("2","3","5","5","6","1","6","1") = "5"
    & skf21("2","3","5","5","6","1","7","1") = "6"
    & skf21("2","3","5","5","6","2","1","1") = "5"
    & skf21("2","3","5","5","6","2","2","1") = "5"
    & skf21("2","3","5","5","6","2","3","1") = "5"
    & skf21("2","3","5","5","6","2","4","1") = "5"
    & skf21("2","3","5","5","6","2","5","1") = "5"
    & skf21("2","3","5","5","6","2","6","1") = "5"
    & skf21("2","3","5","5","6","2","7","1") = "6"
    & skf21("2","3","5","5","6","3","1","1") = "5"
    & skf21("2","3","5","5","6","3","2","1") = "5"
    & skf21("2","3","5","5","6","3","3","1") = "5"
    & skf21("2","3","5","5","6","3","4","1") = "5"
    & skf21("2","3","5","5","6","3","5","1") = "5"
    & skf21("2","3","5","5","6","3","6","1") = "5"
    & skf21("2","3","5","5","6","3","7","1") = "6"
    & skf21("2","3","5","5","6","4","1","1") = "5"
    & skf21("2","3","5","5","6","4","2","1") = "5"
    & skf21("2","3","5","5","6","4","3","1") = "5"
    & skf21("2","3","5","5","6","4","4","1") = "5"
    & skf21("2","3","5","5","6","4","5","1") = "5"
    & skf21("2","3","5","5","6","4","6","1") = "5"
    & skf21("2","3","5","5","6","4","7","1") = "6"
    & skf21("2","3","5","5","6","5","1","1") = "5"
    & skf21("2","3","5","5","6","5","2","1") = "5"
    & skf21("2","3","5","5","6","5","3","1") = "5"
    & skf21("2","3","5","5","6","5","4","1") = "5"
    & skf21("2","3","5","5","6","5","5","1") = "5"
    & skf21("2","3","5","5","6","5","6","1") = "5"
    & skf21("2","3","5","5","6","5","7","1") = "6"
    & skf21("2","3","5","5","6","6","1","1") = "5"
    & skf21("2","3","5","5","6","6","2","1") = "5"
    & skf21("2","3","5","5","6","6","3","1") = "5"
    & skf21("2","3","5","5","6","6","4","1") = "5"
    & skf21("2","3","5","5","6","6","5","1") = "5"
    & skf21("2","3","5","5","6","6","6","1") = "5"
    & skf21("2","3","5","5","6","6","7","1") = "6"
    & skf21("2","3","5","5","6","7","1","1") = "6"
    & skf21("2","3","5","5","6","7","2","1") = "6"
    & skf21("2","3","5","5","6","7","3","1") = "6"
    & skf21("2","3","5","5","6","7","4","1") = "6"
    & skf21("2","3","5","5","6","7","5","1") = "6"
    & skf21("2","3","5","5","6","7","6","1") = "6"
    & skf21("2","3","5","5","6","7","7","1") = "6"
    & skf21("2","3","5","5","7","1","1","1") = "6"
    & skf21("2","3","5","5","7","1","2","1") = "6"
    & skf21("2","3","5","5","7","1","3","1") = "6"
    & skf21("2","3","5","5","7","1","4","1") = "6"
    & skf21("2","3","5","5","7","1","5","1") = "6"
    & skf21("2","3","5","5","7","1","6","1") = "6"
    & skf21("2","3","5","5","7","1","7","1") = "6"
    & skf21("2","3","5","5","7","2","1","1") = "6"
    & skf21("2","3","5","5","7","2","2","1") = "6"
    & skf21("2","3","5","5","7","2","3","1") = "6"
    & skf21("2","3","5","5","7","2","4","1") = "6"
    & skf21("2","3","5","5","7","2","5","1") = "6"
    & skf21("2","3","5","5","7","2","6","1") = "6"
    & skf21("2","3","5","5","7","2","7","1") = "6"
    & skf21("2","3","5","5","7","3","1","1") = "6"
    & skf21("2","3","5","5","7","3","2","1") = "6"
    & skf21("2","3","5","5","7","3","3","1") = "6"
    & skf21("2","3","5","5","7","3","4","1") = "6"
    & skf21("2","3","5","5","7","3","5","1") = "6"
    & skf21("2","3","5","5","7","3","6","1") = "6"
    & skf21("2","3","5","5","7","3","7","1") = "6"
    & skf21("2","3","5","5","7","4","1","1") = "6"
    & skf21("2","3","5","5","7","4","2","1") = "6"
    & skf21("2","3","5","5","7","4","3","1") = "6"
    & skf21("2","3","5","5","7","4","4","1") = "6"
    & skf21("2","3","5","5","7","4","5","1") = "6"
    & skf21("2","3","5","5","7","4","6","1") = "6"
    & skf21("2","3","5","5","7","4","7","1") = "6"
    & skf21("2","3","5","5","7","5","1","1") = "6"
    & skf21("2","3","5","5","7","5","2","1") = "6"
    & skf21("2","3","5","5","7","5","3","1") = "6"
    & skf21("2","3","5","5","7","5","4","1") = "6"
    & skf21("2","3","5","5","7","5","5","1") = "6"
    & skf21("2","3","5","5","7","5","6","1") = "6"
    & skf21("2","3","5","5","7","5","7","1") = "6"
    & skf21("2","3","5","5","7","6","1","1") = "6"
    & skf21("2","3","5","5","7","6","2","1") = "6"
    & skf21("2","3","5","5","7","6","3","1") = "6"
    & skf21("2","3","5","5","7","6","4","1") = "6"
    & skf21("2","3","5","5","7","6","5","1") = "6"
    & skf21("2","3","5","5","7","6","6","1") = "6"
    & skf21("2","3","5","5","7","6","7","1") = "6"
    & skf21("2","3","5","5","7","7","1","1") = "6"
    & skf21("2","3","5","5","7","7","2","1") = "6"
    & skf21("2","3","5","5","7","7","3","1") = "6"
    & skf21("2","3","5","5","7","7","4","1") = "6"
    & skf21("2","3","5","5","7","7","5","1") = "6"
    & skf21("2","3","5","5","7","7","6","1") = "6"
    & skf21("2","3","5","5","7","7","7","1") = "6"
    & skf21("2","3","5","6","1","1","1","1") = "5"
    & skf21("2","3","5","6","1","1","2","1") = "5"
    & skf21("2","3","5","6","1","1","3","1") = "5"
    & skf21("2","3","5","6","1","1","4","1") = "5"
    & skf21("2","3","5","6","1","1","5","1") = "5"
    & skf21("2","3","5","6","1","1","6","1") = "5"
    & skf21("2","3","5","6","1","1","7","1") = "6"
    & skf21("2","3","5","6","1","2","1","1") = "5"
    & skf21("2","3","5","6","1","2","2","1") = "5"
    & skf21("2","3","5","6","1","2","3","1") = "5"
    & skf21("2","3","5","6","1","2","4","1") = "5"
    & skf21("2","3","5","6","1","2","5","1") = "5"
    & skf21("2","3","5","6","1","2","6","1") = "5"
    & skf21("2","3","5","6","1","2","7","1") = "6"
    & skf21("2","3","5","6","1","3","1","1") = "5"
    & skf21("2","3","5","6","1","3","2","1") = "5"
    & skf21("2","3","5","6","1","3","3","1") = "5"
    & skf21("2","3","5","6","1","3","4","1") = "5"
    & skf21("2","3","5","6","1","3","5","1") = "5"
    & skf21("2","3","5","6","1","3","6","1") = "5"
    & skf21("2","3","5","6","1","3","7","1") = "6"
    & skf21("2","3","5","6","1","4","1","1") = "5"
    & skf21("2","3","5","6","1","4","2","1") = "5"
    & skf21("2","3","5","6","1","4","3","1") = "5"
    & skf21("2","3","5","6","1","4","4","1") = "5"
    & skf21("2","3","5","6","1","4","5","1") = "5"
    & skf21("2","3","5","6","1","4","6","1") = "5"
    & skf21("2","3","5","6","1","4","7","1") = "6"
    & skf21("2","3","5","6","1","5","1","1") = "5"
    & skf21("2","3","5","6","1","5","2","1") = "5"
    & skf21("2","3","5","6","1","5","3","1") = "5"
    & skf21("2","3","5","6","1","5","4","1") = "5"
    & skf21("2","3","5","6","1","5","5","1") = "5"
    & skf21("2","3","5","6","1","5","6","1") = "5"
    & skf21("2","3","5","6","1","5","7","1") = "6"
    & skf21("2","3","5","6","1","6","1","1") = "5"
    & skf21("2","3","5","6","1","6","2","1") = "5"
    & skf21("2","3","5","6","1","6","3","1") = "5"
    & skf21("2","3","5","6","1","6","4","1") = "5"
    & skf21("2","3","5","6","1","6","5","1") = "5"
    & skf21("2","3","5","6","1","6","6","1") = "5"
    & skf21("2","3","5","6","1","6","7","1") = "6"
    & skf21("2","3","5","6","1","7","1","1") = "6"
    & skf21("2","3","5","6","1","7","2","1") = "6"
    & skf21("2","3","5","6","1","7","3","1") = "6"
    & skf21("2","3","5","6","1","7","4","1") = "6"
    & skf21("2","3","5","6","1","7","5","1") = "6"
    & skf21("2","3","5","6","1","7","6","1") = "6"
    & skf21("2","3","5","6","1","7","7","1") = "6"
    & skf21("2","3","5","6","2","1","1","1") = "5"
    & skf21("2","3","5","6","2","1","2","1") = "5"
    & skf21("2","3","5","6","2","1","3","1") = "5"
    & skf21("2","3","5","6","2","1","4","1") = "5"
    & skf21("2","3","5","6","2","1","5","1") = "5"
    & skf21("2","3","5","6","2","1","6","1") = "5"
    & skf21("2","3","5","6","2","1","7","1") = "6"
    & skf21("2","3","5","6","2","2","1","1") = "5"
    & skf21("2","3","5","6","2","2","2","1") = "5"
    & skf21("2","3","5","6","2","2","3","1") = "5"
    & skf21("2","3","5","6","2","2","4","1") = "5"
    & skf21("2","3","5","6","2","2","5","1") = "5"
    & skf21("2","3","5","6","2","2","6","1") = "5"
    & skf21("2","3","5","6","2","2","7","1") = "6"
    & skf21("2","3","5","6","2","3","1","1") = "5"
    & skf21("2","3","5","6","2","3","2","1") = "5"
    & skf21("2","3","5","6","2","3","3","1") = "5"
    & skf21("2","3","5","6","2","3","4","1") = "5"
    & skf21("2","3","5","6","2","3","5","1") = "5"
    & skf21("2","3","5","6","2","3","6","1") = "5"
    & skf21("2","3","5","6","2","3","7","1") = "6"
    & skf21("2","3","5","6","2","4","1","1") = "5"
    & skf21("2","3","5","6","2","4","2","1") = "5"
    & skf21("2","3","5","6","2","4","3","1") = "5"
    & skf21("2","3","5","6","2","4","4","1") = "5"
    & skf21("2","3","5","6","2","4","5","1") = "5"
    & skf21("2","3","5","6","2","4","6","1") = "5"
    & skf21("2","3","5","6","2","4","7","1") = "6"
    & skf21("2","3","5","6","2","5","1","1") = "5"
    & skf21("2","3","5","6","2","5","2","1") = "5"
    & skf21("2","3","5","6","2","5","3","1") = "5"
    & skf21("2","3","5","6","2","5","4","1") = "5"
    & skf21("2","3","5","6","2","5","5","1") = "5"
    & skf21("2","3","5","6","2","5","6","1") = "5"
    & skf21("2","3","5","6","2","5","7","1") = "6"
    & skf21("2","3","5","6","2","6","1","1") = "5"
    & skf21("2","3","5","6","2","6","2","1") = "5"
    & skf21("2","3","5","6","2","6","3","1") = "5"
    & skf21("2","3","5","6","2","6","4","1") = "5"
    & skf21("2","3","5","6","2","6","5","1") = "5"
    & skf21("2","3","5","6","2","6","6","1") = "5"
    & skf21("2","3","5","6","2","6","7","1") = "6"
    & skf21("2","3","5","6","2","7","1","1") = "6"
    & skf21("2","3","5","6","2","7","2","1") = "6"
    & skf21("2","3","5","6","2","7","3","1") = "6"
    & skf21("2","3","5","6","2","7","4","1") = "6"
    & skf21("2","3","5","6","2","7","5","1") = "6"
    & skf21("2","3","5","6","2","7","6","1") = "6"
    & skf21("2","3","5","6","2","7","7","1") = "6"
    & skf21("2","3","5","6","3","1","1","1") = "5"
    & skf21("2","3","5","6","3","1","2","1") = "5"
    & skf21("2","3","5","6","3","1","3","1") = "5"
    & skf21("2","3","5","6","3","1","4","1") = "5"
    & skf21("2","3","5","6","3","1","5","1") = "5"
    & skf21("2","3","5","6","3","1","6","1") = "5"
    & skf21("2","3","5","6","3","1","7","1") = "6"
    & skf21("2","3","5","6","3","2","1","1") = "5"
    & skf21("2","3","5","6","3","2","2","1") = "5"
    & skf21("2","3","5","6","3","2","3","1") = "5"
    & skf21("2","3","5","6","3","2","4","1") = "5"
    & skf21("2","3","5","6","3","2","5","1") = "5"
    & skf21("2","3","5","6","3","2","6","1") = "5"
    & skf21("2","3","5","6","3","2","7","1") = "6"
    & skf21("2","3","5","6","3","3","1","1") = "5"
    & skf21("2","3","5","6","3","3","2","1") = "5"
    & skf21("2","3","5","6","3","3","3","1") = "5"
    & skf21("2","3","5","6","3","3","4","1") = "5"
    & skf21("2","3","5","6","3","3","5","1") = "5"
    & skf21("2","3","5","6","3","3","6","1") = "5"
    & skf21("2","3","5","6","3","3","7","1") = "6"
    & skf21("2","3","5","6","3","4","1","1") = "5"
    & skf21("2","3","5","6","3","4","2","1") = "5"
    & skf21("2","3","5","6","3","4","3","1") = "5"
    & skf21("2","3","5","6","3","4","4","1") = "5"
    & skf21("2","3","5","6","3","4","5","1") = "5"
    & skf21("2","3","5","6","3","4","6","1") = "5"
    & skf21("2","3","5","6","3","4","7","1") = "6"
    & skf21("2","3","5","6","3","5","1","1") = "5"
    & skf21("2","3","5","6","3","5","2","1") = "5"
    & skf21("2","3","5","6","3","5","3","1") = "5"
    & skf21("2","3","5","6","3","5","4","1") = "5"
    & skf21("2","3","5","6","3","5","5","1") = "5"
    & skf21("2","3","5","6","3","5","6","1") = "5"
    & skf21("2","3","5","6","3","5","7","1") = "6"
    & skf21("2","3","5","6","3","6","1","1") = "5"
    & skf21("2","3","5","6","3","6","2","1") = "5"
    & skf21("2","3","5","6","3","6","3","1") = "5"
    & skf21("2","3","5","6","3","6","4","1") = "5"
    & skf21("2","3","5","6","3","6","5","1") = "5"
    & skf21("2","3","5","6","3","6","6","1") = "5"
    & skf21("2","3","5","6","3","6","7","1") = "6"
    & skf21("2","3","5","6","3","7","1","1") = "6"
    & skf21("2","3","5","6","3","7","2","1") = "6"
    & skf21("2","3","5","6","3","7","3","1") = "6"
    & skf21("2","3","5","6","3","7","4","1") = "6"
    & skf21("2","3","5","6","3","7","5","1") = "6"
    & skf21("2","3","5","6","3","7","6","1") = "6"
    & skf21("2","3","5","6","3","7","7","1") = "6"
    & skf21("2","3","5","6","4","1","1","1") = "5"
    & skf21("2","3","5","6","4","1","2","1") = "5"
    & skf21("2","3","5","6","4","1","3","1") = "5"
    & skf21("2","3","5","6","4","1","4","1") = "5"
    & skf21("2","3","5","6","4","1","5","1") = "5"
    & skf21("2","3","5","6","4","1","6","1") = "5"
    & skf21("2","3","5","6","4","1","7","1") = "6"
    & skf21("2","3","5","6","4","2","1","1") = "5"
    & skf21("2","3","5","6","4","2","2","1") = "5"
    & skf21("2","3","5","6","4","2","3","1") = "5"
    & skf21("2","3","5","6","4","2","4","1") = "5"
    & skf21("2","3","5","6","4","2","5","1") = "5"
    & skf21("2","3","5","6","4","2","6","1") = "5"
    & skf21("2","3","5","6","4","2","7","1") = "6"
    & skf21("2","3","5","6","4","3","1","1") = "5"
    & skf21("2","3","5","6","4","3","2","1") = "5"
    & skf21("2","3","5","6","4","3","3","1") = "5"
    & skf21("2","3","5","6","4","3","4","1") = "5"
    & skf21("2","3","5","6","4","3","5","1") = "5"
    & skf21("2","3","5","6","4","3","6","1") = "5"
    & skf21("2","3","5","6","4","3","7","1") = "6"
    & skf21("2","3","5","6","4","4","1","1") = "5"
    & skf21("2","3","5","6","4","4","2","1") = "5"
    & skf21("2","3","5","6","4","4","3","1") = "5"
    & skf21("2","3","5","6","4","4","4","1") = "5"
    & skf21("2","3","5","6","4","4","5","1") = "5"
    & skf21("2","3","5","6","4","4","6","1") = "5"
    & skf21("2","3","5","6","4","4","7","1") = "6"
    & skf21("2","3","5","6","4","5","1","1") = "5"
    & skf21("2","3","5","6","4","5","2","1") = "5"
    & skf21("2","3","5","6","4","5","3","1") = "5"
    & skf21("2","3","5","6","4","5","4","1") = "5"
    & skf21("2","3","5","6","4","5","5","1") = "5"
    & skf21("2","3","5","6","4","5","6","1") = "5"
    & skf21("2","3","5","6","4","5","7","1") = "6"
    & skf21("2","3","5","6","4","6","1","1") = "5"
    & skf21("2","3","5","6","4","6","2","1") = "5"
    & skf21("2","3","5","6","4","6","3","1") = "5"
    & skf21("2","3","5","6","4","6","4","1") = "5"
    & skf21("2","3","5","6","4","6","5","1") = "5"
    & skf21("2","3","5","6","4","6","6","1") = "5"
    & skf21("2","3","5","6","4","6","7","1") = "6"
    & skf21("2","3","5","6","4","7","1","1") = "6"
    & skf21("2","3","5","6","4","7","2","1") = "6"
    & skf21("2","3","5","6","4","7","3","1") = "6"
    & skf21("2","3","5","6","4","7","4","1") = "6"
    & skf21("2","3","5","6","4","7","5","1") = "6"
    & skf21("2","3","5","6","4","7","6","1") = "6"
    & skf21("2","3","5","6","4","7","7","1") = "6"
    & skf21("2","3","5","6","5","1","1","1") = "5"
    & skf21("2","3","5","6","5","1","2","1") = "5"
    & skf21("2","3","5","6","5","1","3","1") = "5"
    & skf21("2","3","5","6","5","1","4","1") = "5"
    & skf21("2","3","5","6","5","1","5","1") = "5"
    & skf21("2","3","5","6","5","1","6","1") = "5"
    & skf21("2","3","5","6","5","1","7","1") = "6"
    & skf21("2","3","5","6","5","2","1","1") = "5"
    & skf21("2","3","5","6","5","2","2","1") = "5"
    & skf21("2","3","5","6","5","2","3","1") = "5"
    & skf21("2","3","5","6","5","2","4","1") = "5"
    & skf21("2","3","5","6","5","2","5","1") = "5"
    & skf21("2","3","5","6","5","2","6","1") = "5"
    & skf21("2","3","5","6","5","2","7","1") = "6"
    & skf21("2","3","5","6","5","3","1","1") = "5"
    & skf21("2","3","5","6","5","3","2","1") = "5"
    & skf21("2","3","5","6","5","3","3","1") = "5"
    & skf21("2","3","5","6","5","3","4","1") = "5"
    & skf21("2","3","5","6","5","3","5","1") = "5"
    & skf21("2","3","5","6","5","3","6","1") = "5"
    & skf21("2","3","5","6","5","3","7","1") = "6"
    & skf21("2","3","5","6","5","4","1","1") = "5"
    & skf21("2","3","5","6","5","4","2","1") = "5"
    & skf21("2","3","5","6","5","4","3","1") = "5"
    & skf21("2","3","5","6","5","4","4","1") = "5"
    & skf21("2","3","5","6","5","4","5","1") = "5"
    & skf21("2","3","5","6","5","4","6","1") = "5"
    & skf21("2","3","5","6","5","4","7","1") = "6"
    & skf21("2","3","5","6","5","5","1","1") = "5"
    & skf21("2","3","5","6","5","5","2","1") = "5"
    & skf21("2","3","5","6","5","5","3","1") = "5"
    & skf21("2","3","5","6","5","5","4","1") = "5"
    & skf21("2","3","5","6","5","5","5","1") = "5"
    & skf21("2","3","5","6","5","5","6","1") = "5"
    & skf21("2","3","5","6","5","5","7","1") = "6"
    & skf21("2","3","5","6","5","6","1","1") = "5"
    & skf21("2","3","5","6","5","6","2","1") = "5"
    & skf21("2","3","5","6","5","6","3","1") = "5"
    & skf21("2","3","5","6","5","6","4","1") = "5"
    & skf21("2","3","5","6","5","6","5","1") = "5"
    & skf21("2","3","5","6","5","6","6","1") = "5"
    & skf21("2","3","5","6","5","6","7","1") = "6"
    & skf21("2","3","5","6","5","7","1","1") = "6"
    & skf21("2","3","5","6","5","7","2","1") = "6"
    & skf21("2","3","5","6","5","7","3","1") = "6"
    & skf21("2","3","5","6","5","7","4","1") = "6"
    & skf21("2","3","5","6","5","7","5","1") = "6"
    & skf21("2","3","5","6","5","7","6","1") = "6"
    & skf21("2","3","5","6","5","7","7","1") = "6"
    & skf21("2","3","5","6","6","1","1","1") = "5"
    & skf21("2","3","5","6","6","1","2","1") = "5"
    & skf21("2","3","5","6","6","1","3","1") = "5"
    & skf21("2","3","5","6","6","1","4","1") = "5"
    & skf21("2","3","5","6","6","1","5","1") = "5"
    & skf21("2","3","5","6","6","1","6","1") = "5"
    & skf21("2","3","5","6","6","1","7","1") = "6"
    & skf21("2","3","5","6","6","2","1","1") = "5"
    & skf21("2","3","5","6","6","2","2","1") = "5"
    & skf21("2","3","5","6","6","2","3","1") = "5"
    & skf21("2","3","5","6","6","2","4","1") = "5"
    & skf21("2","3","5","6","6","2","5","1") = "5"
    & skf21("2","3","5","6","6","2","6","1") = "5"
    & skf21("2","3","5","6","6","2","7","1") = "6"
    & skf21("2","3","5","6","6","3","1","1") = "5"
    & skf21("2","3","5","6","6","3","2","1") = "5"
    & skf21("2","3","5","6","6","3","3","1") = "5"
    & skf21("2","3","5","6","6","3","4","1") = "5"
    & skf21("2","3","5","6","6","3","5","1") = "5"
    & skf21("2","3","5","6","6","3","6","1") = "5"
    & skf21("2","3","5","6","6","3","7","1") = "6"
    & skf21("2","3","5","6","6","4","1","1") = "5"
    & skf21("2","3","5","6","6","4","2","1") = "5"
    & skf21("2","3","5","6","6","4","3","1") = "5"
    & skf21("2","3","5","6","6","4","4","1") = "5"
    & skf21("2","3","5","6","6","4","5","1") = "5"
    & skf21("2","3","5","6","6","4","6","1") = "5"
    & skf21("2","3","5","6","6","4","7","1") = "6"
    & skf21("2","3","5","6","6","5","1","1") = "5"
    & skf21("2","3","5","6","6","5","2","1") = "5"
    & skf21("2","3","5","6","6","5","3","1") = "5"
    & skf21("2","3","5","6","6","5","4","1") = "5"
    & skf21("2","3","5","6","6","5","5","1") = "5"
    & skf21("2","3","5","6","6","5","6","1") = "5"
    & skf21("2","3","5","6","6","5","7","1") = "6"
    & skf21("2","3","5","6","6","6","1","1") = "5"
    & skf21("2","3","5","6","6","6","2","1") = "5"
    & skf21("2","3","5","6","6","6","3","1") = "5"
    & skf21("2","3","5","6","6","6","4","1") = "5"
    & skf21("2","3","5","6","6","6","5","1") = "5"
    & skf21("2","3","5","6","6","6","6","1") = "5"
    & skf21("2","3","5","6","6","6","7","1") = "6"
    & skf21("2","3","5","6","6","7","1","1") = "6"
    & skf21("2","3","5","6","6","7","2","1") = "6"
    & skf21("2","3","5","6","6","7","3","1") = "6"
    & skf21("2","3","5","6","6","7","4","1") = "6"
    & skf21("2","3","5","6","6","7","5","1") = "6"
    & skf21("2","3","5","6","6","7","6","1") = "6"
    & skf21("2","3","5","6","6","7","7","1") = "6"
    & skf21("2","3","5","6","7","1","1","1") = "6"
    & skf21("2","3","5","6","7","1","2","1") = "6"
    & skf21("2","3","5","6","7","1","3","1") = "6"
    & skf21("2","3","5","6","7","1","4","1") = "6"
    & skf21("2","3","5","6","7","1","5","1") = "6"
    & skf21("2","3","5","6","7","1","6","1") = "6"
    & skf21("2","3","5","6","7","1","7","1") = "6"
    & skf21("2","3","5","6","7","2","1","1") = "6"
    & skf21("2","3","5","6","7","2","2","1") = "6"
    & skf21("2","3","5","6","7","2","3","1") = "6"
    & skf21("2","3","5","6","7","2","4","1") = "6"
    & skf21("2","3","5","6","7","2","5","1") = "6"
    & skf21("2","3","5","6","7","2","6","1") = "6"
    & skf21("2","3","5","6","7","2","7","1") = "6"
    & skf21("2","3","5","6","7","3","1","1") = "6"
    & skf21("2","3","5","6","7","3","2","1") = "6"
    & skf21("2","3","5","6","7","3","3","1") = "6"
    & skf21("2","3","5","6","7","3","4","1") = "6"
    & skf21("2","3","5","6","7","3","5","1") = "6"
    & skf21("2","3","5","6","7","3","6","1") = "6"
    & skf21("2","3","5","6","7","3","7","1") = "6"
    & skf21("2","3","5","6","7","4","1","1") = "6"
    & skf21("2","3","5","6","7","4","2","1") = "6"
    & skf21("2","3","5","6","7","4","3","1") = "6"
    & skf21("2","3","5","6","7","4","4","1") = "6"
    & skf21("2","3","5","6","7","4","5","1") = "6"
    & skf21("2","3","5","6","7","4","6","1") = "6"
    & skf21("2","3","5","6","7","4","7","1") = "6"
    & skf21("2","3","5","6","7","5","1","1") = "6"
    & skf21("2","3","5","6","7","5","2","1") = "6"
    & skf21("2","3","5","6","7","5","3","1") = "6"
    & skf21("2","3","5","6","7","5","4","1") = "6"
    & skf21("2","3","5","6","7","5","5","1") = "6"
    & skf21("2","3","5","6","7","5","6","1") = "6"
    & skf21("2","3","5","6","7","5","7","1") = "6"
    & skf21("2","3","5","6","7","6","1","1") = "6"
    & skf21("2","3","5","6","7","6","2","1") = "6"
    & skf21("2","3","5","6","7","6","3","1") = "6"
    & skf21("2","3","5","6","7","6","4","1") = "6"
    & skf21("2","3","5","6","7","6","5","1") = "6"
    & skf21("2","3","5","6","7","6","6","1") = "6"
    & skf21("2","3","5","6","7","6","7","1") = "6"
    & skf21("2","3","5","6","7","7","1","1") = "6"
    & skf21("2","3","5","6","7","7","2","1") = "6"
    & skf21("2","3","5","6","7","7","3","1") = "6"
    & skf21("2","3","5","6","7","7","4","1") = "6"
    & skf21("2","3","5","6","7","7","5","1") = "6"
    & skf21("2","3","5","6","7","7","6","1") = "6"
    & skf21("2","3","5","6","7","7","7","1") = "6"
    & skf21("2","3","5","7","1","1","1","1") = "6"
    & skf21("2","3","5","7","1","1","2","1") = "6"
    & skf21("2","3","5","7","1","1","3","1") = "6"
    & skf21("2","3","5","7","1","1","4","1") = "6"
    & skf21("2","3","5","7","1","1","5","1") = "6"
    & skf21("2","3","5","7","1","1","6","1") = "6"
    & skf21("2","3","5","7","1","1","7","1") = "6"
    & skf21("2","3","5","7","1","2","1","1") = "6"
    & skf21("2","3","5","7","1","2","2","1") = "6"
    & skf21("2","3","5","7","1","2","3","1") = "6"
    & skf21("2","3","5","7","1","2","4","1") = "6"
    & skf21("2","3","5","7","1","2","5","1") = "6"
    & skf21("2","3","5","7","1","2","6","1") = "6"
    & skf21("2","3","5","7","1","2","7","1") = "6"
    & skf21("2","3","5","7","1","3","1","1") = "6"
    & skf21("2","3","5","7","1","3","2","1") = "6"
    & skf21("2","3","5","7","1","3","3","1") = "6"
    & skf21("2","3","5","7","1","3","4","1") = "6"
    & skf21("2","3","5","7","1","3","5","1") = "6"
    & skf21("2","3","5","7","1","3","6","1") = "6"
    & skf21("2","3","5","7","1","3","7","1") = "6"
    & skf21("2","3","5","7","1","4","1","1") = "6"
    & skf21("2","3","5","7","1","4","2","1") = "6"
    & skf21("2","3","5","7","1","4","3","1") = "6"
    & skf21("2","3","5","7","1","4","4","1") = "6"
    & skf21("2","3","5","7","1","4","5","1") = "6"
    & skf21("2","3","5","7","1","4","6","1") = "6"
    & skf21("2","3","5","7","1","4","7","1") = "6"
    & skf21("2","3","5","7","1","5","1","1") = "6"
    & skf21("2","3","5","7","1","5","2","1") = "6"
    & skf21("2","3","5","7","1","5","3","1") = "6"
    & skf21("2","3","5","7","1","5","4","1") = "6"
    & skf21("2","3","5","7","1","5","5","1") = "6"
    & skf21("2","3","5","7","1","5","6","1") = "6"
    & skf21("2","3","5","7","1","5","7","1") = "6"
    & skf21("2","3","5","7","1","6","1","1") = "6"
    & skf21("2","3","5","7","1","6","2","1") = "6"
    & skf21("2","3","5","7","1","6","3","1") = "6"
    & skf21("2","3","5","7","1","6","4","1") = "6"
    & skf21("2","3","5","7","1","6","5","1") = "6"
    & skf21("2","3","5","7","1","6","6","1") = "6"
    & skf21("2","3","5","7","1","6","7","1") = "6"
    & skf21("2","3","5","7","1","7","1","1") = "6"
    & skf21("2","3","5","7","1","7","2","1") = "6"
    & skf21("2","3","5","7","1","7","3","1") = "6"
    & skf21("2","3","5","7","1","7","4","1") = "6"
    & skf21("2","3","5","7","1","7","5","1") = "6"
    & skf21("2","3","5","7","1","7","6","1") = "6"
    & skf21("2","3","5","7","1","7","7","1") = "6"
    & skf21("2","3","5","7","2","1","1","1") = "6"
    & skf21("2","3","5","7","2","1","2","1") = "6"
    & skf21("2","3","5","7","2","1","3","1") = "6"
    & skf21("2","3","5","7","2","1","4","1") = "6"
    & skf21("2","3","5","7","2","1","5","1") = "6"
    & skf21("2","3","5","7","2","1","6","1") = "6"
    & skf21("2","3","5","7","2","1","7","1") = "6"
    & skf21("2","3","5","7","2","2","1","1") = "6"
    & skf21("2","3","5","7","2","2","2","1") = "6"
    & skf21("2","3","5","7","2","2","3","1") = "6"
    & skf21("2","3","5","7","2","2","4","1") = "6"
    & skf21("2","3","5","7","2","2","5","1") = "6"
    & skf21("2","3","5","7","2","2","6","1") = "6"
    & skf21("2","3","5","7","2","2","7","1") = "6"
    & skf21("2","3","5","7","2","3","1","1") = "6"
    & skf21("2","3","5","7","2","3","2","1") = "6"
    & skf21("2","3","5","7","2","3","3","1") = "6"
    & skf21("2","3","5","7","2","3","4","1") = "6"
    & skf21("2","3","5","7","2","3","5","1") = "6"
    & skf21("2","3","5","7","2","3","6","1") = "6"
    & skf21("2","3","5","7","2","3","7","1") = "6"
    & skf21("2","3","5","7","2","4","1","1") = "6"
    & skf21("2","3","5","7","2","4","2","1") = "6"
    & skf21("2","3","5","7","2","4","3","1") = "6"
    & skf21("2","3","5","7","2","4","4","1") = "6"
    & skf21("2","3","5","7","2","4","5","1") = "6"
    & skf21("2","3","5","7","2","4","6","1") = "6"
    & skf21("2","3","5","7","2","4","7","1") = "6"
    & skf21("2","3","5","7","2","5","1","1") = "6"
    & skf21("2","3","5","7","2","5","2","1") = "6"
    & skf21("2","3","5","7","2","5","3","1") = "6"
    & skf21("2","3","5","7","2","5","4","1") = "6"
    & skf21("2","3","5","7","2","5","5","1") = "6"
    & skf21("2","3","5","7","2","5","6","1") = "6"
    & skf21("2","3","5","7","2","5","7","1") = "6"
    & skf21("2","3","5","7","2","6","1","1") = "6"
    & skf21("2","3","5","7","2","6","2","1") = "6"
    & skf21("2","3","5","7","2","6","3","1") = "6"
    & skf21("2","3","5","7","2","6","4","1") = "6"
    & skf21("2","3","5","7","2","6","5","1") = "6"
    & skf21("2","3","5","7","2","6","6","1") = "6"
    & skf21("2","3","5","7","2","6","7","1") = "6"
    & skf21("2","3","5","7","2","7","1","1") = "6"
    & skf21("2","3","5","7","2","7","2","1") = "6"
    & skf21("2","3","5","7","2","7","3","1") = "6"
    & skf21("2","3","5","7","2","7","4","1") = "6"
    & skf21("2","3","5","7","2","7","5","1") = "6"
    & skf21("2","3","5","7","2","7","6","1") = "6"
    & skf21("2","3","5","7","2","7","7","1") = "6"
    & skf21("2","3","5","7","3","1","1","1") = "6"
    & skf21("2","3","5","7","3","1","2","1") = "6"
    & skf21("2","3","5","7","3","1","3","1") = "6"
    & skf21("2","3","5","7","3","1","4","1") = "6"
    & skf21("2","3","5","7","3","1","5","1") = "6"
    & skf21("2","3","5","7","3","1","6","1") = "6"
    & skf21("2","3","5","7","3","1","7","1") = "6"
    & skf21("2","3","5","7","3","2","1","1") = "6"
    & skf21("2","3","5","7","3","2","2","1") = "6"
    & skf21("2","3","5","7","3","2","3","1") = "6"
    & skf21("2","3","5","7","3","2","4","1") = "6"
    & skf21("2","3","5","7","3","2","5","1") = "6"
    & skf21("2","3","5","7","3","2","6","1") = "6"
    & skf21("2","3","5","7","3","2","7","1") = "6"
    & skf21("2","3","5","7","3","3","1","1") = "6"
    & skf21("2","3","5","7","3","3","2","1") = "6"
    & skf21("2","3","5","7","3","3","3","1") = "6"
    & skf21("2","3","5","7","3","3","4","1") = "6"
    & skf21("2","3","5","7","3","3","5","1") = "6"
    & skf21("2","3","5","7","3","3","6","1") = "6"
    & skf21("2","3","5","7","3","3","7","1") = "6"
    & skf21("2","3","5","7","3","4","1","1") = "6"
    & skf21("2","3","5","7","3","4","2","1") = "6"
    & skf21("2","3","5","7","3","4","3","1") = "6"
    & skf21("2","3","5","7","3","4","4","1") = "6"
    & skf21("2","3","5","7","3","4","5","1") = "6"
    & skf21("2","3","5","7","3","4","6","1") = "6"
    & skf21("2","3","5","7","3","4","7","1") = "6"
    & skf21("2","3","5","7","3","5","1","1") = "6"
    & skf21("2","3","5","7","3","5","2","1") = "6"
    & skf21("2","3","5","7","3","5","3","1") = "6"
    & skf21("2","3","5","7","3","5","4","1") = "6"
    & skf21("2","3","5","7","3","5","5","1") = "6"
    & skf21("2","3","5","7","3","5","6","1") = "6"
    & skf21("2","3","5","7","3","5","7","1") = "6"
    & skf21("2","3","5","7","3","6","1","1") = "6"
    & skf21("2","3","5","7","3","6","2","1") = "6"
    & skf21("2","3","5","7","3","6","3","1") = "6"
    & skf21("2","3","5","7","3","6","4","1") = "6"
    & skf21("2","3","5","7","3","6","5","1") = "6"
    & skf21("2","3","5","7","3","6","6","1") = "6"
    & skf21("2","3","5","7","3","6","7","1") = "6"
    & skf21("2","3","5","7","3","7","1","1") = "6"
    & skf21("2","3","5","7","3","7","2","1") = "6"
    & skf21("2","3","5","7","3","7","3","1") = "6"
    & skf21("2","3","5","7","3","7","4","1") = "6"
    & skf21("2","3","5","7","3","7","5","1") = "6"
    & skf21("2","3","5","7","3","7","6","1") = "6"
    & skf21("2","3","5","7","3","7","7","1") = "6"
    & skf21("2","3","5","7","4","1","1","1") = "6"
    & skf21("2","3","5","7","4","1","2","1") = "6"
    & skf21("2","3","5","7","4","1","3","1") = "6"
    & skf21("2","3","5","7","4","1","4","1") = "6"
    & skf21("2","3","5","7","4","1","5","1") = "6"
    & skf21("2","3","5","7","4","1","6","1") = "6"
    & skf21("2","3","5","7","4","1","7","1") = "6"
    & skf21("2","3","5","7","4","2","1","1") = "6"
    & skf21("2","3","5","7","4","2","2","1") = "6"
    & skf21("2","3","5","7","4","2","3","1") = "6"
    & skf21("2","3","5","7","4","2","4","1") = "6"
    & skf21("2","3","5","7","4","2","5","1") = "6"
    & skf21("2","3","5","7","4","2","6","1") = "6"
    & skf21("2","3","5","7","4","2","7","1") = "6"
    & skf21("2","3","5","7","4","3","1","1") = "6"
    & skf21("2","3","5","7","4","3","2","1") = "6"
    & skf21("2","3","5","7","4","3","3","1") = "6"
    & skf21("2","3","5","7","4","3","4","1") = "6"
    & skf21("2","3","5","7","4","3","5","1") = "6"
    & skf21("2","3","5","7","4","3","6","1") = "6"
    & skf21("2","3","5","7","4","3","7","1") = "6"
    & skf21("2","3","5","7","4","4","1","1") = "6"
    & skf21("2","3","5","7","4","4","2","1") = "6"
    & skf21("2","3","5","7","4","4","3","1") = "6"
    & skf21("2","3","5","7","4","4","4","1") = "6"
    & skf21("2","3","5","7","4","4","5","1") = "6"
    & skf21("2","3","5","7","4","4","6","1") = "6"
    & skf21("2","3","5","7","4","4","7","1") = "6"
    & skf21("2","3","5","7","4","5","1","1") = "6"
    & skf21("2","3","5","7","4","5","2","1") = "6"
    & skf21("2","3","5","7","4","5","3","1") = "6"
    & skf21("2","3","5","7","4","5","4","1") = "6"
    & skf21("2","3","5","7","4","5","5","1") = "6"
    & skf21("2","3","5","7","4","5","6","1") = "6"
    & skf21("2","3","5","7","4","5","7","1") = "6"
    & skf21("2","3","5","7","4","6","1","1") = "6"
    & skf21("2","3","5","7","4","6","2","1") = "6"
    & skf21("2","3","5","7","4","6","3","1") = "6"
    & skf21("2","3","5","7","4","6","4","1") = "6"
    & skf21("2","3","5","7","4","6","5","1") = "6"
    & skf21("2","3","5","7","4","6","6","1") = "6"
    & skf21("2","3","5","7","4","6","7","1") = "6"
    & skf21("2","3","5","7","4","7","1","1") = "6"
    & skf21("2","3","5","7","4","7","2","1") = "6"
    & skf21("2","3","5","7","4","7","3","1") = "6"
    & skf21("2","3","5","7","4","7","4","1") = "6"
    & skf21("2","3","5","7","4","7","5","1") = "6"
    & skf21("2","3","5","7","4","7","6","1") = "6"
    & skf21("2","3","5","7","4","7","7","1") = "6"
    & skf21("2","3","5","7","5","1","1","1") = "6"
    & skf21("2","3","5","7","5","1","2","1") = "6"
    & skf21("2","3","5","7","5","1","3","1") = "6"
    & skf21("2","3","5","7","5","1","4","1") = "6"
    & skf21("2","3","5","7","5","1","5","1") = "6"
    & skf21("2","3","5","7","5","1","6","1") = "6"
    & skf21("2","3","5","7","5","1","7","1") = "6"
    & skf21("2","3","5","7","5","2","1","1") = "6"
    & skf21("2","3","5","7","5","2","2","1") = "6"
    & skf21("2","3","5","7","5","2","3","1") = "6"
    & skf21("2","3","5","7","5","2","4","1") = "6"
    & skf21("2","3","5","7","5","2","5","1") = "6"
    & skf21("2","3","5","7","5","2","6","1") = "6"
    & skf21("2","3","5","7","5","2","7","1") = "6"
    & skf21("2","3","5","7","5","3","1","1") = "6"
    & skf21("2","3","5","7","5","3","2","1") = "6"
    & skf21("2","3","5","7","5","3","3","1") = "6"
    & skf21("2","3","5","7","5","3","4","1") = "6"
    & skf21("2","3","5","7","5","3","5","1") = "6"
    & skf21("2","3","5","7","5","3","6","1") = "6"
    & skf21("2","3","5","7","5","3","7","1") = "6"
    & skf21("2","3","5","7","5","4","1","1") = "6"
    & skf21("2","3","5","7","5","4","2","1") = "6"
    & skf21("2","3","5","7","5","4","3","1") = "6"
    & skf21("2","3","5","7","5","4","4","1") = "6"
    & skf21("2","3","5","7","5","4","5","1") = "6"
    & skf21("2","3","5","7","5","4","6","1") = "6"
    & skf21("2","3","5","7","5","4","7","1") = "6"
    & skf21("2","3","5","7","5","5","1","1") = "6"
    & skf21("2","3","5","7","5","5","2","1") = "6"
    & skf21("2","3","5","7","5","5","3","1") = "6"
    & skf21("2","3","5","7","5","5","4","1") = "6"
    & skf21("2","3","5","7","5","5","5","1") = "6"
    & skf21("2","3","5","7","5","5","6","1") = "6"
    & skf21("2","3","5","7","5","5","7","1") = "6"
    & skf21("2","3","5","7","5","6","1","1") = "6"
    & skf21("2","3","5","7","5","6","2","1") = "6"
    & skf21("2","3","5","7","5","6","3","1") = "6"
    & skf21("2","3","5","7","5","6","4","1") = "6"
    & skf21("2","3","5","7","5","6","5","1") = "6"
    & skf21("2","3","5","7","5","6","6","1") = "6"
    & skf21("2","3","5","7","5","6","7","1") = "6"
    & skf21("2","3","5","7","5","7","1","1") = "6"
    & skf21("2","3","5","7","5","7","2","1") = "6"
    & skf21("2","3","5","7","5","7","3","1") = "6"
    & skf21("2","3","5","7","5","7","4","1") = "6"
    & skf21("2","3","5","7","5","7","5","1") = "6"
    & skf21("2","3","5","7","5","7","6","1") = "6"
    & skf21("2","3","5","7","5","7","7","1") = "6"
    & skf21("2","3","5","7","6","1","1","1") = "6"
    & skf21("2","3","5","7","6","1","2","1") = "6"
    & skf21("2","3","5","7","6","1","3","1") = "6"
    & skf21("2","3","5","7","6","1","4","1") = "6"
    & skf21("2","3","5","7","6","1","5","1") = "6"
    & skf21("2","3","5","7","6","1","6","1") = "6"
    & skf21("2","3","5","7","6","1","7","1") = "6"
    & skf21("2","3","5","7","6","2","1","1") = "6"
    & skf21("2","3","5","7","6","2","2","1") = "6"
    & skf21("2","3","5","7","6","2","3","1") = "6"
    & skf21("2","3","5","7","6","2","4","1") = "6"
    & skf21("2","3","5","7","6","2","5","1") = "6"
    & skf21("2","3","5","7","6","2","6","1") = "6"
    & skf21("2","3","5","7","6","2","7","1") = "6"
    & skf21("2","3","5","7","6","3","1","1") = "6"
    & skf21("2","3","5","7","6","3","2","1") = "6"
    & skf21("2","3","5","7","6","3","3","1") = "6"
    & skf21("2","3","5","7","6","3","4","1") = "6"
    & skf21("2","3","5","7","6","3","5","1") = "6"
    & skf21("2","3","5","7","6","3","6","1") = "6"
    & skf21("2","3","5","7","6","3","7","1") = "6"
    & skf21("2","3","5","7","6","4","1","1") = "6"
    & skf21("2","3","5","7","6","4","2","1") = "6"
    & skf21("2","3","5","7","6","4","3","1") = "6"
    & skf21("2","3","5","7","6","4","4","1") = "6"
    & skf21("2","3","5","7","6","4","5","1") = "6"
    & skf21("2","3","5","7","6","4","6","1") = "6"
    & skf21("2","3","5","7","6","4","7","1") = "6"
    & skf21("2","3","5","7","6","5","1","1") = "6"
    & skf21("2","3","5","7","6","5","2","1") = "6"
    & skf21("2","3","5","7","6","5","3","1") = "6"
    & skf21("2","3","5","7","6","5","4","1") = "6"
    & skf21("2","3","5","7","6","5","5","1") = "6"
    & skf21("2","3","5","7","6","5","6","1") = "6"
    & skf21("2","3","5","7","6","5","7","1") = "6"
    & skf21("2","3","5","7","6","6","1","1") = "6"
    & skf21("2","3","5","7","6","6","2","1") = "6"
    & skf21("2","3","5","7","6","6","3","1") = "6"
    & skf21("2","3","5","7","6","6","4","1") = "6"
    & skf21("2","3","5","7","6","6","5","1") = "6"
    & skf21("2","3","5","7","6","6","6","1") = "6"
    & skf21("2","3","5","7","6","6","7","1") = "6"
    & skf21("2","3","5","7","6","7","1","1") = "6"
    & skf21("2","3","5","7","6","7","2","1") = "6"
    & skf21("2","3","5","7","6","7","3","1") = "6"
    & skf21("2","3","5","7","6","7","4","1") = "6"
    & skf21("2","3","5","7","6","7","5","1") = "6"
    & skf21("2","3","5","7","6","7","6","1") = "6"
    & skf21("2","3","5","7","6","7","7","1") = "6"
    & skf21("2","3","5","7","7","1","1","1") = "6"
    & skf21("2","3","5","7","7","1","2","1") = "6"
    & skf21("2","3","5","7","7","1","3","1") = "6"
    & skf21("2","3","5","7","7","1","4","1") = "6"
    & skf21("2","3","5","7","7","1","5","1") = "6"
    & skf21("2","3","5","7","7","1","6","1") = "6"
    & skf21("2","3","5","7","7","1","7","1") = "6"
    & skf21("2","3","5","7","7","2","1","1") = "6"
    & skf21("2","3","5","7","7","2","2","1") = "6"
    & skf21("2","3","5","7","7","2","3","1") = "6"
    & skf21("2","3","5","7","7","2","4","1") = "6"
    & skf21("2","3","5","7","7","2","5","1") = "6"
    & skf21("2","3","5","7","7","2","6","1") = "6"
    & skf21("2","3","5","7","7","2","7","1") = "6"
    & skf21("2","3","5","7","7","3","1","1") = "6"
    & skf21("2","3","5","7","7","3","2","1") = "6"
    & skf21("2","3","5","7","7","3","3","1") = "6"
    & skf21("2","3","5","7","7","3","4","1") = "6"
    & skf21("2","3","5","7","7","3","5","1") = "6"
    & skf21("2","3","5","7","7","3","6","1") = "6"
    & skf21("2","3","5","7","7","3","7","1") = "6"
    & skf21("2","3","5","7","7","4","1","1") = "6"
    & skf21("2","3","5","7","7","4","2","1") = "6"
    & skf21("2","3","5","7","7","4","3","1") = "6"
    & skf21("2","3","5","7","7","4","4","1") = "6"
    & skf21("2","3","5","7","7","4","5","1") = "6"
    & skf21("2","3","5","7","7","4","6","1") = "6"
    & skf21("2","3","5","7","7","4","7","1") = "6"
    & skf21("2","3","5","7","7","5","1","1") = "6"
    & skf21("2","3","5","7","7","5","2","1") = "6"
    & skf21("2","3","5","7","7","5","3","1") = "6"
    & skf21("2","3","5","7","7","5","4","1") = "6"
    & skf21("2","3","5","7","7","5","5","1") = "6"
    & skf21("2","3","5","7","7","5","6","1") = "6"
    & skf21("2","3","5","7","7","5","7","1") = "6"
    & skf21("2","3","5","7","7","6","1","1") = "6"
    & skf21("2","3","5","7","7","6","2","1") = "6"
    & skf21("2","3","5","7","7","6","3","1") = "6"
    & skf21("2","3","5","7","7","6","4","1") = "6"
    & skf21("2","3","5","7","7","6","5","1") = "6"
    & skf21("2","3","5","7","7","6","6","1") = "6"
    & skf21("2","3","5","7","7","6","7","1") = "6"
    & skf21("2","3","5","7","7","7","1","1") = "6"
    & skf21("2","3","5","7","7","7","2","1") = "6"
    & skf21("2","3","5","7","7","7","3","1") = "6"
    & skf21("2","3","5","7","7","7","4","1") = "6"
    & skf21("2","3","5","7","7","7","5","1") = "6"
    & skf21("2","3","5","7","7","7","6","1") = "6"
    & skf21("2","3","5","7","7","7","7","1") = "6"
    & skf21("2","3","6","1","1","1","1","1") = "5"
    & skf21("2","3","6","1","1","1","2","1") = "5"
    & skf21("2","3","6","1","1","1","3","1") = "5"
    & skf21("2","3","6","1","1","1","4","1") = "5"
    & skf21("2","3","6","1","1","1","5","1") = "5"
    & skf21("2","3","6","1","1","1","6","1") = "5"
    & skf21("2","3","6","1","1","1","7","1") = "6"
    & skf21("2","3","6","1","1","2","1","1") = "5"
    & skf21("2","3","6","1","1","2","2","1") = "5"
    & skf21("2","3","6","1","1","2","3","1") = "5"
    & skf21("2","3","6","1","1","2","4","1") = "5"
    & skf21("2","3","6","1","1","2","5","1") = "5"
    & skf21("2","3","6","1","1","2","6","1") = "5"
    & skf21("2","3","6","1","1","2","7","1") = "6"
    & skf21("2","3","6","1","1","3","1","1") = "5"
    & skf21("2","3","6","1","1","3","2","1") = "5"
    & skf21("2","3","6","1","1","3","3","1") = "5"
    & skf21("2","3","6","1","1","3","4","1") = "5"
    & skf21("2","3","6","1","1","3","5","1") = "5"
    & skf21("2","3","6","1","1","3","6","1") = "5"
    & skf21("2","3","6","1","1","3","7","1") = "6"
    & skf21("2","3","6","1","1","4","1","1") = "5"
    & skf21("2","3","6","1","1","4","2","1") = "5"
    & skf21("2","3","6","1","1","4","3","1") = "5"
    & skf21("2","3","6","1","1","4","4","1") = "5"
    & skf21("2","3","6","1","1","4","5","1") = "5"
    & skf21("2","3","6","1","1","4","6","1") = "5"
    & skf21("2","3","6","1","1","4","7","1") = "6"
    & skf21("2","3","6","1","1","5","1","1") = "5"
    & skf21("2","3","6","1","1","5","2","1") = "5"
    & skf21("2","3","6","1","1","5","3","1") = "5"
    & skf21("2","3","6","1","1","5","4","1") = "5"
    & skf21("2","3","6","1","1","5","5","1") = "5"
    & skf21("2","3","6","1","1","5","6","1") = "5"
    & skf21("2","3","6","1","1","5","7","1") = "6"
    & skf21("2","3","6","1","1","6","1","1") = "5"
    & skf21("2","3","6","1","1","6","2","1") = "5"
    & skf21("2","3","6","1","1","6","3","1") = "5"
    & skf21("2","3","6","1","1","6","4","1") = "5"
    & skf21("2","3","6","1","1","6","5","1") = "5"
    & skf21("2","3","6","1","1","6","6","1") = "5"
    & skf21("2","3","6","1","1","6","7","1") = "6"
    & skf21("2","3","6","1","1","7","1","1") = "6"
    & skf21("2","3","6","1","1","7","2","1") = "6"
    & skf21("2","3","6","1","1","7","3","1") = "6"
    & skf21("2","3","6","1","1","7","4","1") = "6"
    & skf21("2","3","6","1","1","7","5","1") = "6"
    & skf21("2","3","6","1","1","7","6","1") = "6"
    & skf21("2","3","6","1","1","7","7","1") = "6"
    & skf21("2","3","6","1","2","1","1","1") = "5"
    & skf21("2","3","6","1","2","1","2","1") = "5"
    & skf21("2","3","6","1","2","1","3","1") = "5"
    & skf21("2","3","6","1","2","1","4","1") = "5"
    & skf21("2","3","6","1","2","1","5","1") = "5"
    & skf21("2","3","6","1","2","1","6","1") = "5"
    & skf21("2","3","6","1","2","1","7","1") = "6"
    & skf21("2","3","6","1","2","2","1","1") = "5"
    & skf21("2","3","6","1","2","2","2","1") = "5"
    & skf21("2","3","6","1","2","2","3","1") = "5"
    & skf21("2","3","6","1","2","2","4","1") = "5"
    & skf21("2","3","6","1","2","2","5","1") = "5"
    & skf21("2","3","6","1","2","2","6","1") = "5"
    & skf21("2","3","6","1","2","2","7","1") = "6"
    & skf21("2","3","6","1","2","3","1","1") = "5"
    & skf21("2","3","6","1","2","3","2","1") = "5"
    & skf21("2","3","6","1","2","3","3","1") = "5"
    & skf21("2","3","6","1","2","3","4","1") = "5"
    & skf21("2","3","6","1","2","3","5","1") = "5"
    & skf21("2","3","6","1","2","3","6","1") = "5"
    & skf21("2","3","6","1","2","3","7","1") = "6"
    & skf21("2","3","6","1","2","4","1","1") = "5"
    & skf21("2","3","6","1","2","4","2","1") = "5"
    & skf21("2","3","6","1","2","4","3","1") = "5"
    & skf21("2","3","6","1","2","4","4","1") = "5"
    & skf21("2","3","6","1","2","4","5","1") = "5"
    & skf21("2","3","6","1","2","4","6","1") = "5"
    & skf21("2","3","6","1","2","4","7","1") = "6"
    & skf21("2","3","6","1","2","5","1","1") = "5"
    & skf21("2","3","6","1","2","5","2","1") = "5"
    & skf21("2","3","6","1","2","5","3","1") = "5"
    & skf21("2","3","6","1","2","5","4","1") = "5"
    & skf21("2","3","6","1","2","5","5","1") = "5"
    & skf21("2","3","6","1","2","5","6","1") = "5"
    & skf21("2","3","6","1","2","5","7","1") = "6"
    & skf21("2","3","6","1","2","6","1","1") = "5"
    & skf21("2","3","6","1","2","6","2","1") = "5"
    & skf21("2","3","6","1","2","6","3","1") = "5"
    & skf21("2","3","6","1","2","6","4","1") = "5"
    & skf21("2","3","6","1","2","6","5","1") = "5"
    & skf21("2","3","6","1","2","6","6","1") = "5"
    & skf21("2","3","6","1","2","6","7","1") = "6"
    & skf21("2","3","6","1","2","7","1","1") = "6"
    & skf21("2","3","6","1","2","7","2","1") = "6"
    & skf21("2","3","6","1","2","7","3","1") = "6"
    & skf21("2","3","6","1","2","7","4","1") = "6"
    & skf21("2","3","6","1","2","7","5","1") = "6"
    & skf21("2","3","6","1","2","7","6","1") = "6"
    & skf21("2","3","6","1","2","7","7","1") = "6"
    & skf21("2","3","6","1","3","1","1","1") = "5"
    & skf21("2","3","6","1","3","1","2","1") = "5"
    & skf21("2","3","6","1","3","1","3","1") = "5"
    & skf21("2","3","6","1","3","1","4","1") = "5"
    & skf21("2","3","6","1","3","1","5","1") = "5"
    & skf21("2","3","6","1","3","1","6","1") = "5"
    & skf21("2","3","6","1","3","1","7","1") = "6"
    & skf21("2","3","6","1","3","2","1","1") = "5"
    & skf21("2","3","6","1","3","2","2","1") = "5"
    & skf21("2","3","6","1","3","2","3","1") = "5"
    & skf21("2","3","6","1","3","2","4","1") = "5"
    & skf21("2","3","6","1","3","2","5","1") = "5"
    & skf21("2","3","6","1","3","2","6","1") = "5"
    & skf21("2","3","6","1","3","2","7","1") = "6"
    & skf21("2","3","6","1","3","3","1","1") = "5"
    & skf21("2","3","6","1","3","3","2","1") = "5"
    & skf21("2","3","6","1","3","3","3","1") = "5"
    & skf21("2","3","6","1","3","3","4","1") = "5"
    & skf21("2","3","6","1","3","3","5","1") = "5"
    & skf21("2","3","6","1","3","3","6","1") = "5"
    & skf21("2","3","6","1","3","3","7","1") = "6"
    & skf21("2","3","6","1","3","4","1","1") = "5"
    & skf21("2","3","6","1","3","4","2","1") = "5"
    & skf21("2","3","6","1","3","4","3","1") = "5"
    & skf21("2","3","6","1","3","4","4","1") = "5"
    & skf21("2","3","6","1","3","4","5","1") = "5"
    & skf21("2","3","6","1","3","4","6","1") = "5"
    & skf21("2","3","6","1","3","4","7","1") = "6"
    & skf21("2","3","6","1","3","5","1","1") = "5"
    & skf21("2","3","6","1","3","5","2","1") = "5"
    & skf21("2","3","6","1","3","5","3","1") = "5"
    & skf21("2","3","6","1","3","5","4","1") = "5"
    & skf21("2","3","6","1","3","5","5","1") = "5"
    & skf21("2","3","6","1","3","5","6","1") = "5"
    & skf21("2","3","6","1","3","5","7","1") = "6"
    & skf21("2","3","6","1","3","6","1","1") = "5"
    & skf21("2","3","6","1","3","6","2","1") = "5"
    & skf21("2","3","6","1","3","6","3","1") = "5"
    & skf21("2","3","6","1","3","6","4","1") = "5"
    & skf21("2","3","6","1","3","6","5","1") = "5"
    & skf21("2","3","6","1","3","6","6","1") = "5"
    & skf21("2","3","6","1","3","6","7","1") = "6"
    & skf21("2","3","6","1","3","7","1","1") = "6"
    & skf21("2","3","6","1","3","7","2","1") = "6"
    & skf21("2","3","6","1","3","7","3","1") = "6"
    & skf21("2","3","6","1","3","7","4","1") = "6"
    & skf21("2","3","6","1","3","7","5","1") = "6"
    & skf21("2","3","6","1","3","7","6","1") = "6"
    & skf21("2","3","6","1","3","7","7","1") = "6"
    & skf21("2","3","6","1","4","1","1","1") = "5"
    & skf21("2","3","6","1","4","1","2","1") = "5"
    & skf21("2","3","6","1","4","1","3","1") = "5"
    & skf21("2","3","6","1","4","1","4","1") = "5"
    & skf21("2","3","6","1","4","1","5","1") = "5"
    & skf21("2","3","6","1","4","1","6","1") = "5"
    & skf21("2","3","6","1","4","1","7","1") = "6"
    & skf21("2","3","6","1","4","2","1","1") = "5"
    & skf21("2","3","6","1","4","2","2","1") = "5"
    & skf21("2","3","6","1","4","2","3","1") = "5"
    & skf21("2","3","6","1","4","2","4","1") = "5"
    & skf21("2","3","6","1","4","2","5","1") = "5"
    & skf21("2","3","6","1","4","2","6","1") = "5"
    & skf21("2","3","6","1","4","2","7","1") = "6"
    & skf21("2","3","6","1","4","3","1","1") = "5"
    & skf21("2","3","6","1","4","3","2","1") = "5"
    & skf21("2","3","6","1","4","3","3","1") = "5"
    & skf21("2","3","6","1","4","3","4","1") = "5"
    & skf21("2","3","6","1","4","3","5","1") = "5"
    & skf21("2","3","6","1","4","3","6","1") = "5"
    & skf21("2","3","6","1","4","3","7","1") = "6"
    & skf21("2","3","6","1","4","4","1","1") = "5"
    & skf21("2","3","6","1","4","4","2","1") = "5"
    & skf21("2","3","6","1","4","4","3","1") = "5"
    & skf21("2","3","6","1","4","4","4","1") = "5"
    & skf21("2","3","6","1","4","4","5","1") = "5"
    & skf21("2","3","6","1","4","4","6","1") = "5"
    & skf21("2","3","6","1","4","4","7","1") = "6"
    & skf21("2","3","6","1","4","5","1","1") = "5"
    & skf21("2","3","6","1","4","5","2","1") = "5"
    & skf21("2","3","6","1","4","5","3","1") = "5"
    & skf21("2","3","6","1","4","5","4","1") = "5"
    & skf21("2","3","6","1","4","5","5","1") = "5"
    & skf21("2","3","6","1","4","5","6","1") = "5"
    & skf21("2","3","6","1","4","5","7","1") = "6"
    & skf21("2","3","6","1","4","6","1","1") = "5"
    & skf21("2","3","6","1","4","6","2","1") = "5"
    & skf21("2","3","6","1","4","6","3","1") = "5"
    & skf21("2","3","6","1","4","6","4","1") = "5"
    & skf21("2","3","6","1","4","6","5","1") = "5"
    & skf21("2","3","6","1","4","6","6","1") = "5"
    & skf21("2","3","6","1","4","6","7","1") = "6"
    & skf21("2","3","6","1","4","7","1","1") = "6"
    & skf21("2","3","6","1","4","7","2","1") = "6"
    & skf21("2","3","6","1","4","7","3","1") = "6"
    & skf21("2","3","6","1","4","7","4","1") = "6"
    & skf21("2","3","6","1","4","7","5","1") = "6"
    & skf21("2","3","6","1","4","7","6","1") = "6"
    & skf21("2","3","6","1","4","7","7","1") = "6"
    & skf21("2","3","6","1","5","1","1","1") = "5"
    & skf21("2","3","6","1","5","1","2","1") = "5"
    & skf21("2","3","6","1","5","1","3","1") = "5"
    & skf21("2","3","6","1","5","1","4","1") = "5"
    & skf21("2","3","6","1","5","1","5","1") = "5"
    & skf21("2","3","6","1","5","1","6","1") = "5"
    & skf21("2","3","6","1","5","1","7","1") = "6"
    & skf21("2","3","6","1","5","2","1","1") = "5"
    & skf21("2","3","6","1","5","2","2","1") = "5"
    & skf21("2","3","6","1","5","2","3","1") = "5"
    & skf21("2","3","6","1","5","2","4","1") = "5"
    & skf21("2","3","6","1","5","2","5","1") = "5"
    & skf21("2","3","6","1","5","2","6","1") = "5"
    & skf21("2","3","6","1","5","2","7","1") = "6"
    & skf21("2","3","6","1","5","3","1","1") = "5"
    & skf21("2","3","6","1","5","3","2","1") = "5"
    & skf21("2","3","6","1","5","3","3","1") = "5"
    & skf21("2","3","6","1","5","3","4","1") = "5"
    & skf21("2","3","6","1","5","3","5","1") = "5"
    & skf21("2","3","6","1","5","3","6","1") = "5"
    & skf21("2","3","6","1","5","3","7","1") = "6"
    & skf21("2","3","6","1","5","4","1","1") = "5"
    & skf21("2","3","6","1","5","4","2","1") = "5"
    & skf21("2","3","6","1","5","4","3","1") = "5"
    & skf21("2","3","6","1","5","4","4","1") = "5"
    & skf21("2","3","6","1","5","4","5","1") = "5"
    & skf21("2","3","6","1","5","4","6","1") = "5"
    & skf21("2","3","6","1","5","4","7","1") = "6"
    & skf21("2","3","6","1","5","5","1","1") = "5"
    & skf21("2","3","6","1","5","5","2","1") = "5"
    & skf21("2","3","6","1","5","5","3","1") = "5"
    & skf21("2","3","6","1","5","5","4","1") = "5"
    & skf21("2","3","6","1","5","5","5","1") = "5"
    & skf21("2","3","6","1","5","5","6","1") = "5"
    & skf21("2","3","6","1","5","5","7","1") = "6"
    & skf21("2","3","6","1","5","6","1","1") = "5"
    & skf21("2","3","6","1","5","6","2","1") = "5"
    & skf21("2","3","6","1","5","6","3","1") = "5"
    & skf21("2","3","6","1","5","6","4","1") = "5"
    & skf21("2","3","6","1","5","6","5","1") = "5"
    & skf21("2","3","6","1","5","6","6","1") = "5"
    & skf21("2","3","6","1","5","6","7","1") = "6"
    & skf21("2","3","6","1","5","7","1","1") = "6"
    & skf21("2","3","6","1","5","7","2","1") = "6"
    & skf21("2","3","6","1","5","7","3","1") = "6"
    & skf21("2","3","6","1","5","7","4","1") = "6"
    & skf21("2","3","6","1","5","7","5","1") = "6"
    & skf21("2","3","6","1","5","7","6","1") = "6"
    & skf21("2","3","6","1","5","7","7","1") = "6"
    & skf21("2","3","6","1","6","1","1","1") = "5"
    & skf21("2","3","6","1","6","1","2","1") = "5"
    & skf21("2","3","6","1","6","1","3","1") = "5"
    & skf21("2","3","6","1","6","1","4","1") = "5"
    & skf21("2","3","6","1","6","1","5","1") = "5"
    & skf21("2","3","6","1","6","1","6","1") = "5"
    & skf21("2","3","6","1","6","1","7","1") = "6"
    & skf21("2","3","6","1","6","2","1","1") = "5"
    & skf21("2","3","6","1","6","2","2","1") = "5"
    & skf21("2","3","6","1","6","2","3","1") = "5"
    & skf21("2","3","6","1","6","2","4","1") = "5"
    & skf21("2","3","6","1","6","2","5","1") = "5"
    & skf21("2","3","6","1","6","2","6","1") = "5"
    & skf21("2","3","6","1","6","2","7","1") = "6"
    & skf21("2","3","6","1","6","3","1","1") = "5"
    & skf21("2","3","6","1","6","3","2","1") = "5"
    & skf21("2","3","6","1","6","3","3","1") = "5"
    & skf21("2","3","6","1","6","3","4","1") = "5"
    & skf21("2","3","6","1","6","3","5","1") = "5"
    & skf21("2","3","6","1","6","3","6","1") = "5"
    & skf21("2","3","6","1","6","3","7","1") = "6"
    & skf21("2","3","6","1","6","4","1","1") = "5"
    & skf21("2","3","6","1","6","4","2","1") = "5"
    & skf21("2","3","6","1","6","4","3","1") = "5"
    & skf21("2","3","6","1","6","4","4","1") = "5"
    & skf21("2","3","6","1","6","4","5","1") = "5"
    & skf21("2","3","6","1","6","4","6","1") = "5"
    & skf21("2","3","6","1","6","4","7","1") = "6"
    & skf21("2","3","6","1","6","5","1","1") = "5"
    & skf21("2","3","6","1","6","5","2","1") = "5"
    & skf21("2","3","6","1","6","5","3","1") = "5"
    & skf21("2","3","6","1","6","5","4","1") = "5"
    & skf21("2","3","6","1","6","5","5","1") = "5"
    & skf21("2","3","6","1","6","5","6","1") = "5"
    & skf21("2","3","6","1","6","5","7","1") = "6"
    & skf21("2","3","6","1","6","6","1","1") = "5"
    & skf21("2","3","6","1","6","6","2","1") = "5"
    & skf21("2","3","6","1","6","6","3","1") = "5"
    & skf21("2","3","6","1","6","6","4","1") = "5"
    & skf21("2","3","6","1","6","6","5","1") = "5"
    & skf21("2","3","6","1","6","6","6","1") = "5"
    & skf21("2","3","6","1","6","6","7","1") = "6"
    & skf21("2","3","6","1","6","7","1","1") = "6"
    & skf21("2","3","6","1","6","7","2","1") = "6"
    & skf21("2","3","6","1","6","7","3","1") = "6"
    & skf21("2","3","6","1","6","7","4","1") = "6"
    & skf21("2","3","6","1","6","7","5","1") = "6"
    & skf21("2","3","6","1","6","7","6","1") = "6"
    & skf21("2","3","6","1","6","7","7","1") = "6"
    & skf21("2","3","6","1","7","1","1","1") = "6"
    & skf21("2","3","6","1","7","1","2","1") = "6"
    & skf21("2","3","6","1","7","1","3","1") = "6"
    & skf21("2","3","6","1","7","1","4","1") = "6"
    & skf21("2","3","6","1","7","1","5","1") = "6"
    & skf21("2","3","6","1","7","1","6","1") = "6"
    & skf21("2","3","6","1","7","1","7","1") = "6"
    & skf21("2","3","6","1","7","2","1","1") = "6"
    & skf21("2","3","6","1","7","2","2","1") = "6"
    & skf21("2","3","6","1","7","2","3","1") = "6"
    & skf21("2","3","6","1","7","2","4","1") = "6"
    & skf21("2","3","6","1","7","2","5","1") = "6"
    & skf21("2","3","6","1","7","2","6","1") = "6"
    & skf21("2","3","6","1","7","2","7","1") = "6"
    & skf21("2","3","6","1","7","3","1","1") = "6"
    & skf21("2","3","6","1","7","3","2","1") = "6"
    & skf21("2","3","6","1","7","3","3","1") = "6"
    & skf21("2","3","6","1","7","3","4","1") = "6"
    & skf21("2","3","6","1","7","3","5","1") = "6"
    & skf21("2","3","6","1","7","3","6","1") = "6"
    & skf21("2","3","6","1","7","3","7","1") = "6"
    & skf21("2","3","6","1","7","4","1","1") = "6"
    & skf21("2","3","6","1","7","4","2","1") = "6"
    & skf21("2","3","6","1","7","4","3","1") = "6"
    & skf21("2","3","6","1","7","4","4","1") = "6"
    & skf21("2","3","6","1","7","4","5","1") = "6"
    & skf21("2","3","6","1","7","4","6","1") = "6"
    & skf21("2","3","6","1","7","4","7","1") = "6"
    & skf21("2","3","6","1","7","5","1","1") = "6"
    & skf21("2","3","6","1","7","5","2","1") = "6"
    & skf21("2","3","6","1","7","5","3","1") = "6"
    & skf21("2","3","6","1","7","5","4","1") = "6"
    & skf21("2","3","6","1","7","5","5","1") = "6"
    & skf21("2","3","6","1","7","5","6","1") = "6"
    & skf21("2","3","6","1","7","5","7","1") = "6"
    & skf21("2","3","6","1","7","6","1","1") = "6"
    & skf21("2","3","6","1","7","6","2","1") = "6"
    & skf21("2","3","6","1","7","6","3","1") = "6"
    & skf21("2","3","6","1","7","6","4","1") = "6"
    & skf21("2","3","6","1","7","6","5","1") = "6"
    & skf21("2","3","6","1","7","6","6","1") = "6"
    & skf21("2","3","6","1","7","6","7","1") = "6"
    & skf21("2","3","6","1","7","7","1","1") = "6"
    & skf21("2","3","6","1","7","7","2","1") = "6"
    & skf21("2","3","6","1","7","7","3","1") = "6"
    & skf21("2","3","6","1","7","7","4","1") = "6"
    & skf21("2","3","6","1","7","7","5","1") = "6"
    & skf21("2","3","6","1","7","7","6","1") = "6"
    & skf21("2","3","6","1","7","7","7","1") = "6"
    & skf21("2","3","6","2","1","1","1","1") = "5"
    & skf21("2","3","6","2","1","1","2","1") = "5"
    & skf21("2","3","6","2","1","1","3","1") = "5"
    & skf21("2","3","6","2","1","1","4","1") = "5"
    & skf21("2","3","6","2","1","1","5","1") = "5"
    & skf21("2","3","6","2","1","1","6","1") = "5"
    & skf21("2","3","6","2","1","1","7","1") = "6"
    & skf21("2","3","6","2","1","2","1","1") = "5"
    & skf21("2","3","6","2","1","2","2","1") = "5"
    & skf21("2","3","6","2","1","2","3","1") = "5"
    & skf21("2","3","6","2","1","2","4","1") = "5"
    & skf21("2","3","6","2","1","2","5","1") = "5"
    & skf21("2","3","6","2","1","2","6","1") = "5"
    & skf21("2","3","6","2","1","2","7","1") = "6"
    & skf21("2","3","6","2","1","3","1","1") = "5"
    & skf21("2","3","6","2","1","3","2","1") = "5"
    & skf21("2","3","6","2","1","3","3","1") = "5"
    & skf21("2","3","6","2","1","3","4","1") = "5"
    & skf21("2","3","6","2","1","3","5","1") = "5"
    & skf21("2","3","6","2","1","3","6","1") = "5"
    & skf21("2","3","6","2","1","3","7","1") = "6"
    & skf21("2","3","6","2","1","4","1","1") = "5"
    & skf21("2","3","6","2","1","4","2","1") = "5"
    & skf21("2","3","6","2","1","4","3","1") = "5"
    & skf21("2","3","6","2","1","4","4","1") = "5"
    & skf21("2","3","6","2","1","4","5","1") = "5"
    & skf21("2","3","6","2","1","4","6","1") = "5"
    & skf21("2","3","6","2","1","4","7","1") = "6"
    & skf21("2","3","6","2","1","5","1","1") = "5"
    & skf21("2","3","6","2","1","5","2","1") = "5"
    & skf21("2","3","6","2","1","5","3","1") = "5"
    & skf21("2","3","6","2","1","5","4","1") = "5"
    & skf21("2","3","6","2","1","5","5","1") = "5"
    & skf21("2","3","6","2","1","5","6","1") = "5"
    & skf21("2","3","6","2","1","5","7","1") = "6"
    & skf21("2","3","6","2","1","6","1","1") = "5"
    & skf21("2","3","6","2","1","6","2","1") = "5"
    & skf21("2","3","6","2","1","6","3","1") = "5"
    & skf21("2","3","6","2","1","6","4","1") = "5"
    & skf21("2","3","6","2","1","6","5","1") = "5"
    & skf21("2","3","6","2","1","6","6","1") = "5"
    & skf21("2","3","6","2","1","6","7","1") = "6"
    & skf21("2","3","6","2","1","7","1","1") = "6"
    & skf21("2","3","6","2","1","7","2","1") = "6"
    & skf21("2","3","6","2","1","7","3","1") = "6"
    & skf21("2","3","6","2","1","7","4","1") = "6"
    & skf21("2","3","6","2","1","7","5","1") = "6"
    & skf21("2","3","6","2","1","7","6","1") = "6"
    & skf21("2","3","6","2","1","7","7","1") = "6"
    & skf21("2","3","6","2","2","1","1","1") = "5"
    & skf21("2","3","6","2","2","1","2","1") = "5"
    & skf21("2","3","6","2","2","1","3","1") = "5"
    & skf21("2","3","6","2","2","1","4","1") = "5"
    & skf21("2","3","6","2","2","1","5","1") = "5"
    & skf21("2","3","6","2","2","1","6","1") = "5"
    & skf21("2","3","6","2","2","1","7","1") = "6"
    & skf21("2","3","6","2","2","2","1","1") = "5"
    & skf21("2","3","6","2","2","2","2","1") = "5"
    & skf21("2","3","6","2","2","2","3","1") = "5"
    & skf21("2","3","6","2","2","2","4","1") = "5"
    & skf21("2","3","6","2","2","2","5","1") = "5"
    & skf21("2","3","6","2","2","2","6","1") = "5"
    & skf21("2","3","6","2","2","2","7","1") = "6"
    & skf21("2","3","6","2","2","3","1","1") = "5"
    & skf21("2","3","6","2","2","3","2","1") = "5"
    & skf21("2","3","6","2","2","3","3","1") = "5"
    & skf21("2","3","6","2","2","3","4","1") = "5"
    & skf21("2","3","6","2","2","3","5","1") = "5"
    & skf21("2","3","6","2","2","3","6","1") = "5"
    & skf21("2","3","6","2","2","3","7","1") = "6"
    & skf21("2","3","6","2","2","4","1","1") = "5"
    & skf21("2","3","6","2","2","4","2","1") = "5"
    & skf21("2","3","6","2","2","4","3","1") = "5"
    & skf21("2","3","6","2","2","4","4","1") = "5"
    & skf21("2","3","6","2","2","4","5","1") = "5"
    & skf21("2","3","6","2","2","4","6","1") = "5"
    & skf21("2","3","6","2","2","4","7","1") = "6"
    & skf21("2","3","6","2","2","5","1","1") = "5"
    & skf21("2","3","6","2","2","5","2","1") = "5"
    & skf21("2","3","6","2","2","5","3","1") = "5"
    & skf21("2","3","6","2","2","5","4","1") = "5"
    & skf21("2","3","6","2","2","5","5","1") = "5"
    & skf21("2","3","6","2","2","5","6","1") = "5"
    & skf21("2","3","6","2","2","5","7","1") = "6"
    & skf21("2","3","6","2","2","6","1","1") = "5"
    & skf21("2","3","6","2","2","6","2","1") = "5"
    & skf21("2","3","6","2","2","6","3","1") = "5"
    & skf21("2","3","6","2","2","6","4","1") = "5"
    & skf21("2","3","6","2","2","6","5","1") = "5"
    & skf21("2","3","6","2","2","6","6","1") = "5"
    & skf21("2","3","6","2","2","6","7","1") = "6"
    & skf21("2","3","6","2","2","7","1","1") = "6"
    & skf21("2","3","6","2","2","7","2","1") = "6"
    & skf21("2","3","6","2","2","7","3","1") = "6"
    & skf21("2","3","6","2","2","7","4","1") = "6"
    & skf21("2","3","6","2","2","7","5","1") = "6"
    & skf21("2","3","6","2","2","7","6","1") = "6"
    & skf21("2","3","6","2","2","7","7","1") = "6"
    & skf21("2","3","6","2","3","1","1","1") = "5"
    & skf21("2","3","6","2","3","1","2","1") = "5"
    & skf21("2","3","6","2","3","1","3","1") = "5"
    & skf21("2","3","6","2","3","1","4","1") = "5"
    & skf21("2","3","6","2","3","1","5","1") = "5"
    & skf21("2","3","6","2","3","1","6","1") = "5"
    & skf21("2","3","6","2","3","1","7","1") = "6"
    & skf21("2","3","6","2","3","2","1","1") = "5"
    & skf21("2","3","6","2","3","2","2","1") = "5"
    & skf21("2","3","6","2","3","2","3","1") = "5"
    & skf21("2","3","6","2","3","2","4","1") = "5"
    & skf21("2","3","6","2","3","2","5","1") = "5"
    & skf21("2","3","6","2","3","2","6","1") = "5"
    & skf21("2","3","6","2","3","2","7","1") = "6"
    & skf21("2","3","6","2","3","3","1","1") = "5"
    & skf21("2","3","6","2","3","3","2","1") = "5"
    & skf21("2","3","6","2","3","3","3","1") = "5"
    & skf21("2","3","6","2","3","3","4","1") = "5"
    & skf21("2","3","6","2","3","3","5","1") = "5"
    & skf21("2","3","6","2","3","3","6","1") = "5"
    & skf21("2","3","6","2","3","3","7","1") = "6"
    & skf21("2","3","6","2","3","4","1","1") = "5"
    & skf21("2","3","6","2","3","4","2","1") = "5"
    & skf21("2","3","6","2","3","4","3","1") = "5"
    & skf21("2","3","6","2","3","4","4","1") = "5"
    & skf21("2","3","6","2","3","4","5","1") = "5"
    & skf21("2","3","6","2","3","4","6","1") = "5"
    & skf21("2","3","6","2","3","4","7","1") = "6"
    & skf21("2","3","6","2","3","5","1","1") = "5"
    & skf21("2","3","6","2","3","5","2","1") = "5"
    & skf21("2","3","6","2","3","5","3","1") = "5"
    & skf21("2","3","6","2","3","5","4","1") = "5"
    & skf21("2","3","6","2","3","5","5","1") = "5"
    & skf21("2","3","6","2","3","5","6","1") = "5"
    & skf21("2","3","6","2","3","5","7","1") = "6"
    & skf21("2","3","6","2","3","6","1","1") = "5"
    & skf21("2","3","6","2","3","6","2","1") = "5"
    & skf21("2","3","6","2","3","6","3","1") = "5"
    & skf21("2","3","6","2","3","6","4","1") = "5"
    & skf21("2","3","6","2","3","6","5","1") = "5"
    & skf21("2","3","6","2","3","6","6","1") = "5"
    & skf21("2","3","6","2","3","6","7","1") = "6"
    & skf21("2","3","6","2","3","7","1","1") = "6"
    & skf21("2","3","6","2","3","7","2","1") = "6"
    & skf21("2","3","6","2","3","7","3","1") = "6"
    & skf21("2","3","6","2","3","7","4","1") = "6"
    & skf21("2","3","6","2","3","7","5","1") = "6"
    & skf21("2","3","6","2","3","7","6","1") = "6"
    & skf21("2","3","6","2","3","7","7","1") = "6"
    & skf21("2","3","6","2","4","1","1","1") = "5"
    & skf21("2","3","6","2","4","1","2","1") = "5"
    & skf21("2","3","6","2","4","1","3","1") = "5"
    & skf21("2","3","6","2","4","1","4","1") = "5"
    & skf21("2","3","6","2","4","1","5","1") = "5"
    & skf21("2","3","6","2","4","1","6","1") = "5"
    & skf21("2","3","6","2","4","1","7","1") = "6"
    & skf21("2","3","6","2","4","2","1","1") = "5"
    & skf21("2","3","6","2","4","2","2","1") = "5"
    & skf21("2","3","6","2","4","2","3","1") = "5"
    & skf21("2","3","6","2","4","2","4","1") = "5"
    & skf21("2","3","6","2","4","2","5","1") = "5"
    & skf21("2","3","6","2","4","2","6","1") = "5"
    & skf21("2","3","6","2","4","2","7","1") = "6"
    & skf21("2","3","6","2","4","3","1","1") = "5"
    & skf21("2","3","6","2","4","3","2","1") = "5"
    & skf21("2","3","6","2","4","3","3","1") = "5"
    & skf21("2","3","6","2","4","3","4","1") = "5"
    & skf21("2","3","6","2","4","3","5","1") = "5"
    & skf21("2","3","6","2","4","3","6","1") = "5"
    & skf21("2","3","6","2","4","3","7","1") = "6"
    & skf21("2","3","6","2","4","4","1","1") = "5"
    & skf21("2","3","6","2","4","4","2","1") = "5"
    & skf21("2","3","6","2","4","4","3","1") = "5"
    & skf21("2","3","6","2","4","4","4","1") = "5"
    & skf21("2","3","6","2","4","4","5","1") = "5"
    & skf21("2","3","6","2","4","4","6","1") = "5"
    & skf21("2","3","6","2","4","4","7","1") = "6"
    & skf21("2","3","6","2","4","5","1","1") = "5"
    & skf21("2","3","6","2","4","5","2","1") = "5"
    & skf21("2","3","6","2","4","5","3","1") = "5"
    & skf21("2","3","6","2","4","5","4","1") = "5"
    & skf21("2","3","6","2","4","5","5","1") = "5"
    & skf21("2","3","6","2","4","5","6","1") = "5"
    & skf21("2","3","6","2","4","5","7","1") = "6"
    & skf21("2","3","6","2","4","6","1","1") = "5"
    & skf21("2","3","6","2","4","6","2","1") = "5"
    & skf21("2","3","6","2","4","6","3","1") = "5"
    & skf21("2","3","6","2","4","6","4","1") = "5"
    & skf21("2","3","6","2","4","6","5","1") = "5"
    & skf21("2","3","6","2","4","6","6","1") = "5"
    & skf21("2","3","6","2","4","6","7","1") = "6"
    & skf21("2","3","6","2","4","7","1","1") = "6"
    & skf21("2","3","6","2","4","7","2","1") = "6"
    & skf21("2","3","6","2","4","7","3","1") = "6"
    & skf21("2","3","6","2","4","7","4","1") = "6"
    & skf21("2","3","6","2","4","7","5","1") = "6"
    & skf21("2","3","6","2","4","7","6","1") = "6"
    & skf21("2","3","6","2","4","7","7","1") = "6"
    & skf21("2","3","6","2","5","1","1","1") = "5"
    & skf21("2","3","6","2","5","1","2","1") = "5"
    & skf21("2","3","6","2","5","1","3","1") = "5"
    & skf21("2","3","6","2","5","1","4","1") = "5"
    & skf21("2","3","6","2","5","1","5","1") = "5"
    & skf21("2","3","6","2","5","1","6","1") = "5"
    & skf21("2","3","6","2","5","1","7","1") = "6"
    & skf21("2","3","6","2","5","2","1","1") = "5"
    & skf21("2","3","6","2","5","2","2","1") = "5"
    & skf21("2","3","6","2","5","2","3","1") = "5"
    & skf21("2","3","6","2","5","2","4","1") = "5"
    & skf21("2","3","6","2","5","2","5","1") = "5"
    & skf21("2","3","6","2","5","2","6","1") = "5"
    & skf21("2","3","6","2","5","2","7","1") = "6"
    & skf21("2","3","6","2","5","3","1","1") = "5"
    & skf21("2","3","6","2","5","3","2","1") = "5"
    & skf21("2","3","6","2","5","3","3","1") = "5"
    & skf21("2","3","6","2","5","3","4","1") = "5"
    & skf21("2","3","6","2","5","3","5","1") = "5"
    & skf21("2","3","6","2","5","3","6","1") = "5"
    & skf21("2","3","6","2","5","3","7","1") = "6"
    & skf21("2","3","6","2","5","4","1","1") = "5"
    & skf21("2","3","6","2","5","4","2","1") = "5"
    & skf21("2","3","6","2","5","4","3","1") = "5"
    & skf21("2","3","6","2","5","4","4","1") = "5"
    & skf21("2","3","6","2","5","4","5","1") = "5"
    & skf21("2","3","6","2","5","4","6","1") = "5"
    & skf21("2","3","6","2","5","4","7","1") = "6"
    & skf21("2","3","6","2","5","5","1","1") = "5"
    & skf21("2","3","6","2","5","5","2","1") = "5"
    & skf21("2","3","6","2","5","5","3","1") = "5"
    & skf21("2","3","6","2","5","5","4","1") = "5"
    & skf21("2","3","6","2","5","5","5","1") = "5"
    & skf21("2","3","6","2","5","5","6","1") = "5"
    & skf21("2","3","6","2","5","5","7","1") = "6"
    & skf21("2","3","6","2","5","6","1","1") = "5"
    & skf21("2","3","6","2","5","6","2","1") = "5"
    & skf21("2","3","6","2","5","6","3","1") = "5"
    & skf21("2","3","6","2","5","6","4","1") = "5"
    & skf21("2","3","6","2","5","6","5","1") = "5"
    & skf21("2","3","6","2","5","6","6","1") = "5"
    & skf21("2","3","6","2","5","6","7","1") = "6"
    & skf21("2","3","6","2","5","7","1","1") = "6"
    & skf21("2","3","6","2","5","7","2","1") = "6"
    & skf21("2","3","6","2","5","7","3","1") = "6"
    & skf21("2","3","6","2","5","7","4","1") = "6"
    & skf21("2","3","6","2","5","7","5","1") = "6"
    & skf21("2","3","6","2","5","7","6","1") = "6"
    & skf21("2","3","6","2","5","7","7","1") = "6"
    & skf21("2","3","6","2","6","1","1","1") = "5"
    & skf21("2","3","6","2","6","1","2","1") = "5"
    & skf21("2","3","6","2","6","1","3","1") = "5"
    & skf21("2","3","6","2","6","1","4","1") = "5"
    & skf21("2","3","6","2","6","1","5","1") = "5"
    & skf21("2","3","6","2","6","1","6","1") = "5"
    & skf21("2","3","6","2","6","1","7","1") = "6"
    & skf21("2","3","6","2","6","2","1","1") = "5"
    & skf21("2","3","6","2","6","2","2","1") = "5"
    & skf21("2","3","6","2","6","2","3","1") = "5"
    & skf21("2","3","6","2","6","2","4","1") = "5"
    & skf21("2","3","6","2","6","2","5","1") = "5"
    & skf21("2","3","6","2","6","2","6","1") = "5"
    & skf21("2","3","6","2","6","2","7","1") = "6"
    & skf21("2","3","6","2","6","3","1","1") = "5"
    & skf21("2","3","6","2","6","3","2","1") = "5"
    & skf21("2","3","6","2","6","3","3","1") = "5"
    & skf21("2","3","6","2","6","3","4","1") = "5"
    & skf21("2","3","6","2","6","3","5","1") = "5"
    & skf21("2","3","6","2","6","3","6","1") = "5"
    & skf21("2","3","6","2","6","3","7","1") = "6"
    & skf21("2","3","6","2","6","4","1","1") = "5"
    & skf21("2","3","6","2","6","4","2","1") = "5"
    & skf21("2","3","6","2","6","4","3","1") = "5"
    & skf21("2","3","6","2","6","4","4","1") = "5"
    & skf21("2","3","6","2","6","4","5","1") = "5"
    & skf21("2","3","6","2","6","4","6","1") = "5"
    & skf21("2","3","6","2","6","4","7","1") = "6"
    & skf21("2","3","6","2","6","5","1","1") = "5"
    & skf21("2","3","6","2","6","5","2","1") = "5"
    & skf21("2","3","6","2","6","5","3","1") = "5"
    & skf21("2","3","6","2","6","5","4","1") = "5"
    & skf21("2","3","6","2","6","5","5","1") = "5"
    & skf21("2","3","6","2","6","5","6","1") = "5"
    & skf21("2","3","6","2","6","5","7","1") = "6"
    & skf21("2","3","6","2","6","6","1","1") = "5"
    & skf21("2","3","6","2","6","6","2","1") = "5"
    & skf21("2","3","6","2","6","6","3","1") = "5"
    & skf21("2","3","6","2","6","6","4","1") = "5"
    & skf21("2","3","6","2","6","6","5","1") = "5"
    & skf21("2","3","6","2","6","6","6","1") = "5"
    & skf21("2","3","6","2","6","6","7","1") = "6"
    & skf21("2","3","6","2","6","7","1","1") = "6"
    & skf21("2","3","6","2","6","7","2","1") = "6"
    & skf21("2","3","6","2","6","7","3","1") = "6"
    & skf21("2","3","6","2","6","7","4","1") = "6"
    & skf21("2","3","6","2","6","7","5","1") = "6"
    & skf21("2","3","6","2","6","7","6","1") = "6"
    & skf21("2","3","6","2","6","7","7","1") = "6"
    & skf21("2","3","6","2","7","1","1","1") = "6"
    & skf21("2","3","6","2","7","1","2","1") = "6"
    & skf21("2","3","6","2","7","1","3","1") = "6"
    & skf21("2","3","6","2","7","1","4","1") = "6"
    & skf21("2","3","6","2","7","1","5","1") = "6"
    & skf21("2","3","6","2","7","1","6","1") = "6"
    & skf21("2","3","6","2","7","1","7","1") = "6"
    & skf21("2","3","6","2","7","2","1","1") = "6"
    & skf21("2","3","6","2","7","2","2","1") = "6"
    & skf21("2","3","6","2","7","2","3","1") = "6"
    & skf21("2","3","6","2","7","2","4","1") = "6"
    & skf21("2","3","6","2","7","2","5","1") = "6"
    & skf21("2","3","6","2","7","2","6","1") = "6"
    & skf21("2","3","6","2","7","2","7","1") = "6"
    & skf21("2","3","6","2","7","3","1","1") = "6"
    & skf21("2","3","6","2","7","3","2","1") = "6"
    & skf21("2","3","6","2","7","3","3","1") = "6"
    & skf21("2","3","6","2","7","3","4","1") = "6"
    & skf21("2","3","6","2","7","3","5","1") = "6"
    & skf21("2","3","6","2","7","3","6","1") = "6"
    & skf21("2","3","6","2","7","3","7","1") = "6"
    & skf21("2","3","6","2","7","4","1","1") = "6"
    & skf21("2","3","6","2","7","4","2","1") = "6"
    & skf21("2","3","6","2","7","4","3","1") = "6"
    & skf21("2","3","6","2","7","4","4","1") = "6"
    & skf21("2","3","6","2","7","4","5","1") = "6"
    & skf21("2","3","6","2","7","4","6","1") = "6"
    & skf21("2","3","6","2","7","4","7","1") = "6"
    & skf21("2","3","6","2","7","5","1","1") = "6"
    & skf21("2","3","6","2","7","5","2","1") = "6"
    & skf21("2","3","6","2","7","5","3","1") = "6"
    & skf21("2","3","6","2","7","5","4","1") = "6"
    & skf21("2","3","6","2","7","5","5","1") = "6"
    & skf21("2","3","6","2","7","5","6","1") = "6"
    & skf21("2","3","6","2","7","5","7","1") = "6"
    & skf21("2","3","6","2","7","6","1","1") = "6"
    & skf21("2","3","6","2","7","6","2","1") = "6"
    & skf21("2","3","6","2","7","6","3","1") = "6"
    & skf21("2","3","6","2","7","6","4","1") = "6"
    & skf21("2","3","6","2","7","6","5","1") = "6"
    & skf21("2","3","6","2","7","6","6","1") = "6"
    & skf21("2","3","6","2","7","6","7","1") = "6"
    & skf21("2","3","6","2","7","7","1","1") = "6"
    & skf21("2","3","6","2","7","7","2","1") = "6"
    & skf21("2","3","6","2","7","7","3","1") = "6"
    & skf21("2","3","6","2","7","7","4","1") = "6"
    & skf21("2","3","6","2","7","7","5","1") = "6"
    & skf21("2","3","6","2","7","7","6","1") = "6"
    & skf21("2","3","6","2","7","7","7","1") = "6"
    & skf21("2","3","6","3","1","1","1","1") = "5"
    & skf21("2","3","6","3","1","1","2","1") = "5"
    & skf21("2","3","6","3","1","1","3","1") = "5"
    & skf21("2","3","6","3","1","1","4","1") = "5"
    & skf21("2","3","6","3","1","1","5","1") = "5"
    & skf21("2","3","6","3","1","1","6","1") = "5"
    & skf21("2","3","6","3","1","1","7","1") = "6"
    & skf21("2","3","6","3","1","2","1","1") = "5"
    & skf21("2","3","6","3","1","2","2","1") = "5"
    & skf21("2","3","6","3","1","2","3","1") = "5"
    & skf21("2","3","6","3","1","2","4","1") = "5"
    & skf21("2","3","6","3","1","2","5","1") = "5"
    & skf21("2","3","6","3","1","2","6","1") = "5"
    & skf21("2","3","6","3","1","2","7","1") = "6"
    & skf21("2","3","6","3","1","3","1","1") = "5"
    & skf21("2","3","6","3","1","3","2","1") = "5"
    & skf21("2","3","6","3","1","3","3","1") = "5"
    & skf21("2","3","6","3","1","3","4","1") = "5"
    & skf21("2","3","6","3","1","3","5","1") = "5"
    & skf21("2","3","6","3","1","3","6","1") = "5"
    & skf21("2","3","6","3","1","3","7","1") = "6"
    & skf21("2","3","6","3","1","4","1","1") = "5"
    & skf21("2","3","6","3","1","4","2","1") = "5"
    & skf21("2","3","6","3","1","4","3","1") = "5"
    & skf21("2","3","6","3","1","4","4","1") = "5"
    & skf21("2","3","6","3","1","4","5","1") = "5"
    & skf21("2","3","6","3","1","4","6","1") = "5"
    & skf21("2","3","6","3","1","4","7","1") = "6"
    & skf21("2","3","6","3","1","5","1","1") = "5"
    & skf21("2","3","6","3","1","5","2","1") = "5"
    & skf21("2","3","6","3","1","5","3","1") = "5"
    & skf21("2","3","6","3","1","5","4","1") = "5"
    & skf21("2","3","6","3","1","5","5","1") = "5"
    & skf21("2","3","6","3","1","5","6","1") = "5"
    & skf21("2","3","6","3","1","5","7","1") = "6"
    & skf21("2","3","6","3","1","6","1","1") = "5"
    & skf21("2","3","6","3","1","6","2","1") = "5"
    & skf21("2","3","6","3","1","6","3","1") = "5"
    & skf21("2","3","6","3","1","6","4","1") = "5"
    & skf21("2","3","6","3","1","6","5","1") = "5"
    & skf21("2","3","6","3","1","6","6","1") = "5"
    & skf21("2","3","6","3","1","6","7","1") = "6"
    & skf21("2","3","6","3","1","7","1","1") = "6"
    & skf21("2","3","6","3","1","7","2","1") = "6"
    & skf21("2","3","6","3","1","7","3","1") = "6"
    & skf21("2","3","6","3","1","7","4","1") = "6"
    & skf21("2","3","6","3","1","7","5","1") = "6"
    & skf21("2","3","6","3","1","7","6","1") = "6"
    & skf21("2","3","6","3","1","7","7","1") = "6"
    & skf21("2","3","6","3","2","1","1","1") = "5"
    & skf21("2","3","6","3","2","1","2","1") = "5"
    & skf21("2","3","6","3","2","1","3","1") = "5"
    & skf21("2","3","6","3","2","1","4","1") = "5"
    & skf21("2","3","6","3","2","1","5","1") = "5"
    & skf21("2","3","6","3","2","1","6","1") = "5"
    & skf21("2","3","6","3","2","1","7","1") = "6"
    & skf21("2","3","6","3","2","2","1","1") = "5"
    & skf21("2","3","6","3","2","2","2","1") = "5"
    & skf21("2","3","6","3","2","2","3","1") = "5"
    & skf21("2","3","6","3","2","2","4","1") = "5"
    & skf21("2","3","6","3","2","2","5","1") = "5"
    & skf21("2","3","6","3","2","2","6","1") = "5"
    & skf21("2","3","6","3","2","2","7","1") = "6"
    & skf21("2","3","6","3","2","3","1","1") = "5"
    & skf21("2","3","6","3","2","3","2","1") = "5"
    & skf21("2","3","6","3","2","3","3","1") = "5"
    & skf21("2","3","6","3","2","3","4","1") = "5"
    & skf21("2","3","6","3","2","3","5","1") = "5"
    & skf21("2","3","6","3","2","3","6","1") = "5"
    & skf21("2","3","6","3","2","3","7","1") = "6"
    & skf21("2","3","6","3","2","4","1","1") = "5"
    & skf21("2","3","6","3","2","4","2","1") = "5"
    & skf21("2","3","6","3","2","4","3","1") = "5"
    & skf21("2","3","6","3","2","4","4","1") = "5"
    & skf21("2","3","6","3","2","4","5","1") = "5"
    & skf21("2","3","6","3","2","4","6","1") = "5"
    & skf21("2","3","6","3","2","4","7","1") = "6"
    & skf21("2","3","6","3","2","5","1","1") = "5"
    & skf21("2","3","6","3","2","5","2","1") = "5"
    & skf21("2","3","6","3","2","5","3","1") = "5"
    & skf21("2","3","6","3","2","5","4","1") = "5"
    & skf21("2","3","6","3","2","5","5","1") = "5"
    & skf21("2","3","6","3","2","5","6","1") = "5"
    & skf21("2","3","6","3","2","5","7","1") = "6"
    & skf21("2","3","6","3","2","6","1","1") = "5"
    & skf21("2","3","6","3","2","6","2","1") = "5"
    & skf21("2","3","6","3","2","6","3","1") = "5"
    & skf21("2","3","6","3","2","6","4","1") = "5"
    & skf21("2","3","6","3","2","6","5","1") = "5"
    & skf21("2","3","6","3","2","6","6","1") = "5"
    & skf21("2","3","6","3","2","6","7","1") = "6"
    & skf21("2","3","6","3","2","7","1","1") = "6"
    & skf21("2","3","6","3","2","7","2","1") = "6"
    & skf21("2","3","6","3","2","7","3","1") = "6"
    & skf21("2","3","6","3","2","7","4","1") = "6"
    & skf21("2","3","6","3","2","7","5","1") = "6"
    & skf21("2","3","6","3","2","7","6","1") = "6"
    & skf21("2","3","6","3","2","7","7","1") = "6"
    & skf21("2","3","6","3","3","1","1","1") = "5"
    & skf21("2","3","6","3","3","1","2","1") = "5"
    & skf21("2","3","6","3","3","1","3","1") = "5"
    & skf21("2","3","6","3","3","1","4","1") = "5"
    & skf21("2","3","6","3","3","1","5","1") = "5"
    & skf21("2","3","6","3","3","1","6","1") = "5"
    & skf21("2","3","6","3","3","1","7","1") = "6"
    & skf21("2","3","6","3","3","2","1","1") = "5"
    & skf21("2","3","6","3","3","2","2","1") = "5"
    & skf21("2","3","6","3","3","2","3","1") = "5"
    & skf21("2","3","6","3","3","2","4","1") = "5"
    & skf21("2","3","6","3","3","2","5","1") = "5"
    & skf21("2","3","6","3","3","2","6","1") = "5"
    & skf21("2","3","6","3","3","2","7","1") = "6"
    & skf21("2","3","6","3","3","3","1","1") = "5"
    & skf21("2","3","6","3","3","3","2","1") = "5"
    & skf21("2","3","6","3","3","3","3","1") = "5"
    & skf21("2","3","6","3","3","3","4","1") = "5"
    & skf21("2","3","6","3","3","3","5","1") = "5"
    & skf21("2","3","6","3","3","3","6","1") = "5"
    & skf21("2","3","6","3","3","3","7","1") = "6"
    & skf21("2","3","6","3","3","4","1","1") = "5"
    & skf21("2","3","6","3","3","4","2","1") = "5"
    & skf21("2","3","6","3","3","4","3","1") = "5"
    & skf21("2","3","6","3","3","4","4","1") = "5"
    & skf21("2","3","6","3","3","4","5","1") = "5"
    & skf21("2","3","6","3","3","4","6","1") = "5"
    & skf21("2","3","6","3","3","4","7","1") = "6"
    & skf21("2","3","6","3","3","5","1","1") = "5"
    & skf21("2","3","6","3","3","5","2","1") = "5"
    & skf21("2","3","6","3","3","5","3","1") = "5"
    & skf21("2","3","6","3","3","5","4","1") = "5"
    & skf21("2","3","6","3","3","5","5","1") = "5"
    & skf21("2","3","6","3","3","5","6","1") = "5"
    & skf21("2","3","6","3","3","5","7","1") = "6"
    & skf21("2","3","6","3","3","6","1","1") = "5"
    & skf21("2","3","6","3","3","6","2","1") = "5"
    & skf21("2","3","6","3","3","6","3","1") = "5"
    & skf21("2","3","6","3","3","6","4","1") = "5"
    & skf21("2","3","6","3","3","6","5","1") = "5"
    & skf21("2","3","6","3","3","6","6","1") = "5"
    & skf21("2","3","6","3","3","6","7","1") = "6"
    & skf21("2","3","6","3","3","7","1","1") = "6"
    & skf21("2","3","6","3","3","7","2","1") = "6"
    & skf21("2","3","6","3","3","7","3","1") = "6"
    & skf21("2","3","6","3","3","7","4","1") = "6"
    & skf21("2","3","6","3","3","7","5","1") = "6"
    & skf21("2","3","6","3","3","7","6","1") = "6"
    & skf21("2","3","6","3","3","7","7","1") = "6"
    & skf21("2","3","6","3","4","1","1","1") = "5"
    & skf21("2","3","6","3","4","1","2","1") = "5"
    & skf21("2","3","6","3","4","1","3","1") = "5"
    & skf21("2","3","6","3","4","1","4","1") = "5"
    & skf21("2","3","6","3","4","1","5","1") = "5"
    & skf21("2","3","6","3","4","1","6","1") = "5"
    & skf21("2","3","6","3","4","1","7","1") = "6"
    & skf21("2","3","6","3","4","2","1","1") = "5"
    & skf21("2","3","6","3","4","2","2","1") = "5"
    & skf21("2","3","6","3","4","2","3","1") = "5"
    & skf21("2","3","6","3","4","2","4","1") = "5"
    & skf21("2","3","6","3","4","2","5","1") = "5"
    & skf21("2","3","6","3","4","2","6","1") = "5"
    & skf21("2","3","6","3","4","2","7","1") = "6"
    & skf21("2","3","6","3","4","3","1","1") = "5"
    & skf21("2","3","6","3","4","3","2","1") = "5"
    & skf21("2","3","6","3","4","3","3","1") = "5"
    & skf21("2","3","6","3","4","3","4","1") = "5"
    & skf21("2","3","6","3","4","3","5","1") = "5"
    & skf21("2","3","6","3","4","3","6","1") = "5"
    & skf21("2","3","6","3","4","3","7","1") = "6"
    & skf21("2","3","6","3","4","4","1","1") = "5"
    & skf21("2","3","6","3","4","4","2","1") = "5"
    & skf21("2","3","6","3","4","4","3","1") = "5"
    & skf21("2","3","6","3","4","4","4","1") = "5"
    & skf21("2","3","6","3","4","4","5","1") = "5"
    & skf21("2","3","6","3","4","4","6","1") = "5"
    & skf21("2","3","6","3","4","4","7","1") = "6"
    & skf21("2","3","6","3","4","5","1","1") = "5"
    & skf21("2","3","6","3","4","5","2","1") = "5"
    & skf21("2","3","6","3","4","5","3","1") = "5"
    & skf21("2","3","6","3","4","5","4","1") = "5"
    & skf21("2","3","6","3","4","5","5","1") = "5"
    & skf21("2","3","6","3","4","5","6","1") = "5"
    & skf21("2","3","6","3","4","5","7","1") = "6"
    & skf21("2","3","6","3","4","6","1","1") = "5"
    & skf21("2","3","6","3","4","6","2","1") = "5"
    & skf21("2","3","6","3","4","6","3","1") = "5"
    & skf21("2","3","6","3","4","6","4","1") = "5"
    & skf21("2","3","6","3","4","6","5","1") = "5"
    & skf21("2","3","6","3","4","6","6","1") = "5"
    & skf21("2","3","6","3","4","6","7","1") = "6"
    & skf21("2","3","6","3","4","7","1","1") = "6"
    & skf21("2","3","6","3","4","7","2","1") = "6"
    & skf21("2","3","6","3","4","7","3","1") = "6"
    & skf21("2","3","6","3","4","7","4","1") = "6"
    & skf21("2","3","6","3","4","7","5","1") = "6"
    & skf21("2","3","6","3","4","7","6","1") = "6"
    & skf21("2","3","6","3","4","7","7","1") = "6"
    & skf21("2","3","6","3","5","1","1","1") = "5"
    & skf21("2","3","6","3","5","1","2","1") = "5"
    & skf21("2","3","6","3","5","1","3","1") = "5"
    & skf21("2","3","6","3","5","1","4","1") = "5"
    & skf21("2","3","6","3","5","1","5","1") = "5"
    & skf21("2","3","6","3","5","1","6","1") = "5"
    & skf21("2","3","6","3","5","1","7","1") = "6"
    & skf21("2","3","6","3","5","2","1","1") = "5"
    & skf21("2","3","6","3","5","2","2","1") = "5"
    & skf21("2","3","6","3","5","2","3","1") = "5"
    & skf21("2","3","6","3","5","2","4","1") = "5"
    & skf21("2","3","6","3","5","2","5","1") = "5"
    & skf21("2","3","6","3","5","2","6","1") = "5"
    & skf21("2","3","6","3","5","2","7","1") = "6"
    & skf21("2","3","6","3","5","3","1","1") = "5"
    & skf21("2","3","6","3","5","3","2","1") = "5"
    & skf21("2","3","6","3","5","3","3","1") = "5"
    & skf21("2","3","6","3","5","3","4","1") = "5"
    & skf21("2","3","6","3","5","3","5","1") = "5"
    & skf21("2","3","6","3","5","3","6","1") = "5"
    & skf21("2","3","6","3","5","3","7","1") = "6"
    & skf21("2","3","6","3","5","4","1","1") = "5"
    & skf21("2","3","6","3","5","4","2","1") = "5"
    & skf21("2","3","6","3","5","4","3","1") = "5"
    & skf21("2","3","6","3","5","4","4","1") = "5"
    & skf21("2","3","6","3","5","4","5","1") = "5"
    & skf21("2","3","6","3","5","4","6","1") = "5"
    & skf21("2","3","6","3","5","4","7","1") = "6"
    & skf21("2","3","6","3","5","5","1","1") = "5"
    & skf21("2","3","6","3","5","5","2","1") = "5"
    & skf21("2","3","6","3","5","5","3","1") = "5"
    & skf21("2","3","6","3","5","5","4","1") = "5"
    & skf21("2","3","6","3","5","5","5","1") = "5"
    & skf21("2","3","6","3","5","5","6","1") = "5"
    & skf21("2","3","6","3","5","5","7","1") = "6"
    & skf21("2","3","6","3","5","6","1","1") = "5"
    & skf21("2","3","6","3","5","6","2","1") = "5"
    & skf21("2","3","6","3","5","6","3","1") = "5"
    & skf21("2","3","6","3","5","6","4","1") = "5"
    & skf21("2","3","6","3","5","6","5","1") = "5"
    & skf21("2","3","6","3","5","6","6","1") = "5"
    & skf21("2","3","6","3","5","6","7","1") = "6"
    & skf21("2","3","6","3","5","7","1","1") = "6"
    & skf21("2","3","6","3","5","7","2","1") = "6"
    & skf21("2","3","6","3","5","7","3","1") = "6"
    & skf21("2","3","6","3","5","7","4","1") = "6"
    & skf21("2","3","6","3","5","7","5","1") = "6"
    & skf21("2","3","6","3","5","7","6","1") = "6"
    & skf21("2","3","6","3","5","7","7","1") = "6"
    & skf21("2","3","6","3","6","1","1","1") = "5"
    & skf21("2","3","6","3","6","1","2","1") = "5"
    & skf21("2","3","6","3","6","1","3","1") = "5"
    & skf21("2","3","6","3","6","1","4","1") = "5"
    & skf21("2","3","6","3","6","1","5","1") = "5"
    & skf21("2","3","6","3","6","1","6","1") = "5"
    & skf21("2","3","6","3","6","1","7","1") = "6"
    & skf21("2","3","6","3","6","2","1","1") = "5"
    & skf21("2","3","6","3","6","2","2","1") = "5"
    & skf21("2","3","6","3","6","2","3","1") = "5"
    & skf21("2","3","6","3","6","2","4","1") = "5"
    & skf21("2","3","6","3","6","2","5","1") = "5"
    & skf21("2","3","6","3","6","2","6","1") = "5"
    & skf21("2","3","6","3","6","2","7","1") = "6"
    & skf21("2","3","6","3","6","3","1","1") = "5"
    & skf21("2","3","6","3","6","3","2","1") = "5"
    & skf21("2","3","6","3","6","3","3","1") = "5"
    & skf21("2","3","6","3","6","3","4","1") = "5"
    & skf21("2","3","6","3","6","3","5","1") = "5"
    & skf21("2","3","6","3","6","3","6","1") = "5"
    & skf21("2","3","6","3","6","3","7","1") = "6"
    & skf21("2","3","6","3","6","4","1","1") = "5"
    & skf21("2","3","6","3","6","4","2","1") = "5"
    & skf21("2","3","6","3","6","4","3","1") = "5"
    & skf21("2","3","6","3","6","4","4","1") = "5"
    & skf21("2","3","6","3","6","4","5","1") = "5"
    & skf21("2","3","6","3","6","4","6","1") = "5"
    & skf21("2","3","6","3","6","4","7","1") = "6"
    & skf21("2","3","6","3","6","5","1","1") = "5"
    & skf21("2","3","6","3","6","5","2","1") = "5"
    & skf21("2","3","6","3","6","5","3","1") = "5"
    & skf21("2","3","6","3","6","5","4","1") = "5"
    & skf21("2","3","6","3","6","5","5","1") = "5"
    & skf21("2","3","6","3","6","5","6","1") = "5"
    & skf21("2","3","6","3","6","5","7","1") = "6"
    & skf21("2","3","6","3","6","6","1","1") = "5"
    & skf21("2","3","6","3","6","6","2","1") = "5"
    & skf21("2","3","6","3","6","6","3","1") = "5"
    & skf21("2","3","6","3","6","6","4","1") = "5"
    & skf21("2","3","6","3","6","6","5","1") = "5"
    & skf21("2","3","6","3","6","6","6","1") = "5"
    & skf21("2","3","6","3","6","6","7","1") = "6"
    & skf21("2","3","6","3","6","7","1","1") = "6"
    & skf21("2","3","6","3","6","7","2","1") = "6"
    & skf21("2","3","6","3","6","7","3","1") = "6"
    & skf21("2","3","6","3","6","7","4","1") = "6"
    & skf21("2","3","6","3","6","7","5","1") = "6"
    & skf21("2","3","6","3","6","7","6","1") = "6"
    & skf21("2","3","6","3","6","7","7","1") = "6"
    & skf21("2","3","6","3","7","1","1","1") = "6"
    & skf21("2","3","6","3","7","1","2","1") = "6"
    & skf21("2","3","6","3","7","1","3","1") = "6"
    & skf21("2","3","6","3","7","1","4","1") = "6"
    & skf21("2","3","6","3","7","1","5","1") = "6"
    & skf21("2","3","6","3","7","1","6","1") = "6"
    & skf21("2","3","6","3","7","1","7","1") = "6"
    & skf21("2","3","6","3","7","2","1","1") = "6"
    & skf21("2","3","6","3","7","2","2","1") = "6"
    & skf21("2","3","6","3","7","2","3","1") = "6"
    & skf21("2","3","6","3","7","2","4","1") = "6"
    & skf21("2","3","6","3","7","2","5","1") = "6"
    & skf21("2","3","6","3","7","2","6","1") = "6"
    & skf21("2","3","6","3","7","2","7","1") = "6"
    & skf21("2","3","6","3","7","3","1","1") = "6"
    & skf21("2","3","6","3","7","3","2","1") = "6"
    & skf21("2","3","6","3","7","3","3","1") = "6"
    & skf21("2","3","6","3","7","3","4","1") = "6"
    & skf21("2","3","6","3","7","3","5","1") = "6"
    & skf21("2","3","6","3","7","3","6","1") = "6"
    & skf21("2","3","6","3","7","3","7","1") = "6"
    & skf21("2","3","6","3","7","4","1","1") = "6"
    & skf21("2","3","6","3","7","4","2","1") = "6"
    & skf21("2","3","6","3","7","4","3","1") = "6"
    & skf21("2","3","6","3","7","4","4","1") = "6"
    & skf21("2","3","6","3","7","4","5","1") = "6"
    & skf21("2","3","6","3","7","4","6","1") = "6"
    & skf21("2","3","6","3","7","4","7","1") = "6"
    & skf21("2","3","6","3","7","5","1","1") = "6"
    & skf21("2","3","6","3","7","5","2","1") = "6"
    & skf21("2","3","6","3","7","5","3","1") = "6"
    & skf21("2","3","6","3","7","5","4","1") = "6"
    & skf21("2","3","6","3","7","5","5","1") = "6"
    & skf21("2","3","6","3","7","5","6","1") = "6"
    & skf21("2","3","6","3","7","5","7","1") = "6"
    & skf21("2","3","6","3","7","6","1","1") = "6"
    & skf21("2","3","6","3","7","6","2","1") = "6"
    & skf21("2","3","6","3","7","6","3","1") = "6"
    & skf21("2","3","6","3","7","6","4","1") = "6"
    & skf21("2","3","6","3","7","6","5","1") = "6"
    & skf21("2","3","6","3","7","6","6","1") = "6"
    & skf21("2","3","6","3","7","6","7","1") = "6"
    & skf21("2","3","6","3","7","7","1","1") = "6"
    & skf21("2","3","6","3","7","7","2","1") = "6"
    & skf21("2","3","6","3","7","7","3","1") = "6"
    & skf21("2","3","6","3","7","7","4","1") = "6"
    & skf21("2","3","6","3","7","7","5","1") = "6"
    & skf21("2","3","6","3","7","7","6","1") = "6"
    & skf21("2","3","6","3","7","7","7","1") = "6"
    & skf21("2","3","6","4","1","1","1","1") = "5"
    & skf21("2","3","6","4","1","1","2","1") = "5"
    & skf21("2","3","6","4","1","1","3","1") = "5"
    & skf21("2","3","6","4","1","1","4","1") = "5"
    & skf21("2","3","6","4","1","1","5","1") = "5"
    & skf21("2","3","6","4","1","1","6","1") = "5"
    & skf21("2","3","6","4","1","1","7","1") = "6"
    & skf21("2","3","6","4","1","2","1","1") = "5"
    & skf21("2","3","6","4","1","2","2","1") = "5"
    & skf21("2","3","6","4","1","2","3","1") = "5"
    & skf21("2","3","6","4","1","2","4","1") = "5"
    & skf21("2","3","6","4","1","2","5","1") = "5"
    & skf21("2","3","6","4","1","2","6","1") = "5"
    & skf21("2","3","6","4","1","2","7","1") = "6"
    & skf21("2","3","6","4","1","3","1","1") = "5"
    & skf21("2","3","6","4","1","3","2","1") = "5"
    & skf21("2","3","6","4","1","3","3","1") = "5"
    & skf21("2","3","6","4","1","3","4","1") = "5"
    & skf21("2","3","6","4","1","3","5","1") = "5"
    & skf21("2","3","6","4","1","3","6","1") = "5"
    & skf21("2","3","6","4","1","3","7","1") = "6"
    & skf21("2","3","6","4","1","4","1","1") = "5"
    & skf21("2","3","6","4","1","4","2","1") = "5"
    & skf21("2","3","6","4","1","4","3","1") = "5"
    & skf21("2","3","6","4","1","4","4","1") = "5"
    & skf21("2","3","6","4","1","4","5","1") = "5"
    & skf21("2","3","6","4","1","4","6","1") = "5"
    & skf21("2","3","6","4","1","4","7","1") = "6"
    & skf21("2","3","6","4","1","5","1","1") = "5"
    & skf21("2","3","6","4","1","5","2","1") = "5"
    & skf21("2","3","6","4","1","5","3","1") = "5"
    & skf21("2","3","6","4","1","5","4","1") = "5"
    & skf21("2","3","6","4","1","5","5","1") = "5"
    & skf21("2","3","6","4","1","5","6","1") = "5"
    & skf21("2","3","6","4","1","5","7","1") = "6"
    & skf21("2","3","6","4","1","6","1","1") = "5"
    & skf21("2","3","6","4","1","6","2","1") = "5"
    & skf21("2","3","6","4","1","6","3","1") = "5"
    & skf21("2","3","6","4","1","6","4","1") = "5"
    & skf21("2","3","6","4","1","6","5","1") = "5"
    & skf21("2","3","6","4","1","6","6","1") = "5"
    & skf21("2","3","6","4","1","6","7","1") = "6"
    & skf21("2","3","6","4","1","7","1","1") = "6"
    & skf21("2","3","6","4","1","7","2","1") = "6"
    & skf21("2","3","6","4","1","7","3","1") = "6"
    & skf21("2","3","6","4","1","7","4","1") = "6"
    & skf21("2","3","6","4","1","7","5","1") = "6"
    & skf21("2","3","6","4","1","7","6","1") = "6"
    & skf21("2","3","6","4","1","7","7","1") = "6"
    & skf21("2","3","6","4","2","1","1","1") = "5"
    & skf21("2","3","6","4","2","1","2","1") = "5"
    & skf21("2","3","6","4","2","1","3","1") = "5"
    & skf21("2","3","6","4","2","1","4","1") = "5"
    & skf21("2","3","6","4","2","1","5","1") = "5"
    & skf21("2","3","6","4","2","1","6","1") = "5"
    & skf21("2","3","6","4","2","1","7","1") = "6"
    & skf21("2","3","6","4","2","2","1","1") = "5"
    & skf21("2","3","6","4","2","2","2","1") = "5"
    & skf21("2","3","6","4","2","2","3","1") = "5"
    & skf21("2","3","6","4","2","2","4","1") = "5"
    & skf21("2","3","6","4","2","2","5","1") = "5"
    & skf21("2","3","6","4","2","2","6","1") = "5"
    & skf21("2","3","6","4","2","2","7","1") = "6"
    & skf21("2","3","6","4","2","3","1","1") = "5"
    & skf21("2","3","6","4","2","3","2","1") = "5"
    & skf21("2","3","6","4","2","3","3","1") = "5"
    & skf21("2","3","6","4","2","3","4","1") = "5"
    & skf21("2","3","6","4","2","3","5","1") = "5"
    & skf21("2","3","6","4","2","3","6","1") = "5"
    & skf21("2","3","6","4","2","3","7","1") = "6"
    & skf21("2","3","6","4","2","4","1","1") = "5"
    & skf21("2","3","6","4","2","4","2","1") = "5"
    & skf21("2","3","6","4","2","4","3","1") = "5"
    & skf21("2","3","6","4","2","4","4","1") = "5"
    & skf21("2","3","6","4","2","4","5","1") = "5"
    & skf21("2","3","6","4","2","4","6","1") = "5"
    & skf21("2","3","6","4","2","4","7","1") = "6"
    & skf21("2","3","6","4","2","5","1","1") = "5"
    & skf21("2","3","6","4","2","5","2","1") = "5"
    & skf21("2","3","6","4","2","5","3","1") = "5"
    & skf21("2","3","6","4","2","5","4","1") = "5"
    & skf21("2","3","6","4","2","5","5","1") = "5"
    & skf21("2","3","6","4","2","5","6","1") = "5"
    & skf21("2","3","6","4","2","5","7","1") = "6"
    & skf21("2","3","6","4","2","6","1","1") = "5"
    & skf21("2","3","6","4","2","6","2","1") = "5"
    & skf21("2","3","6","4","2","6","3","1") = "5"
    & skf21("2","3","6","4","2","6","4","1") = "5"
    & skf21("2","3","6","4","2","6","5","1") = "5"
    & skf21("2","3","6","4","2","6","6","1") = "5"
    & skf21("2","3","6","4","2","6","7","1") = "6"
    & skf21("2","3","6","4","2","7","1","1") = "6"
    & skf21("2","3","6","4","2","7","2","1") = "6"
    & skf21("2","3","6","4","2","7","3","1") = "6"
    & skf21("2","3","6","4","2","7","4","1") = "6"
    & skf21("2","3","6","4","2","7","5","1") = "6"
    & skf21("2","3","6","4","2","7","6","1") = "6"
    & skf21("2","3","6","4","2","7","7","1") = "6"
    & skf21("2","3","6","4","3","1","1","1") = "5"
    & skf21("2","3","6","4","3","1","2","1") = "5"
    & skf21("2","3","6","4","3","1","3","1") = "5"
    & skf21("2","3","6","4","3","1","4","1") = "5"
    & skf21("2","3","6","4","3","1","5","1") = "5"
    & skf21("2","3","6","4","3","1","6","1") = "5"
    & skf21("2","3","6","4","3","1","7","1") = "6"
    & skf21("2","3","6","4","3","2","1","1") = "5"
    & skf21("2","3","6","4","3","2","2","1") = "5"
    & skf21("2","3","6","4","3","2","3","1") = "5"
    & skf21("2","3","6","4","3","2","4","1") = "5"
    & skf21("2","3","6","4","3","2","5","1") = "5"
    & skf21("2","3","6","4","3","2","6","1") = "5"
    & skf21("2","3","6","4","3","2","7","1") = "6"
    & skf21("2","3","6","4","3","3","1","1") = "5"
    & skf21("2","3","6","4","3","3","2","1") = "5"
    & skf21("2","3","6","4","3","3","3","1") = "5"
    & skf21("2","3","6","4","3","3","4","1") = "5"
    & skf21("2","3","6","4","3","3","5","1") = "5"
    & skf21("2","3","6","4","3","3","6","1") = "5"
    & skf21("2","3","6","4","3","3","7","1") = "6"
    & skf21("2","3","6","4","3","4","1","1") = "5"
    & skf21("2","3","6","4","3","4","2","1") = "5"
    & skf21("2","3","6","4","3","4","3","1") = "5"
    & skf21("2","3","6","4","3","4","4","1") = "5"
    & skf21("2","3","6","4","3","4","5","1") = "5"
    & skf21("2","3","6","4","3","4","6","1") = "5"
    & skf21("2","3","6","4","3","4","7","1") = "6"
    & skf21("2","3","6","4","3","5","1","1") = "5"
    & skf21("2","3","6","4","3","5","2","1") = "5"
    & skf21("2","3","6","4","3","5","3","1") = "5"
    & skf21("2","3","6","4","3","5","4","1") = "5"
    & skf21("2","3","6","4","3","5","5","1") = "5"
    & skf21("2","3","6","4","3","5","6","1") = "5"
    & skf21("2","3","6","4","3","5","7","1") = "6"
    & skf21("2","3","6","4","3","6","1","1") = "5"
    & skf21("2","3","6","4","3","6","2","1") = "5"
    & skf21("2","3","6","4","3","6","3","1") = "5"
    & skf21("2","3","6","4","3","6","4","1") = "5"
    & skf21("2","3","6","4","3","6","5","1") = "5"
    & skf21("2","3","6","4","3","6","6","1") = "5"
    & skf21("2","3","6","4","3","6","7","1") = "6"
    & skf21("2","3","6","4","3","7","1","1") = "6"
    & skf21("2","3","6","4","3","7","2","1") = "6"
    & skf21("2","3","6","4","3","7","3","1") = "6"
    & skf21("2","3","6","4","3","7","4","1") = "6"
    & skf21("2","3","6","4","3","7","5","1") = "6"
    & skf21("2","3","6","4","3","7","6","1") = "6"
    & skf21("2","3","6","4","3","7","7","1") = "6"
    & skf21("2","3","6","4","4","1","1","1") = "5"
    & skf21("2","3","6","4","4","1","2","1") = "5"
    & skf21("2","3","6","4","4","1","3","1") = "5"
    & skf21("2","3","6","4","4","1","4","1") = "5"
    & skf21("2","3","6","4","4","1","5","1") = "5"
    & skf21("2","3","6","4","4","1","6","1") = "5"
    & skf21("2","3","6","4","4","1","7","1") = "6"
    & skf21("2","3","6","4","4","2","1","1") = "5"
    & skf21("2","3","6","4","4","2","2","1") = "5"
    & skf21("2","3","6","4","4","2","3","1") = "5"
    & skf21("2","3","6","4","4","2","4","1") = "5"
    & skf21("2","3","6","4","4","2","5","1") = "5"
    & skf21("2","3","6","4","4","2","6","1") = "5"
    & skf21("2","3","6","4","4","2","7","1") = "6"
    & skf21("2","3","6","4","4","3","1","1") = "5"
    & skf21("2","3","6","4","4","3","2","1") = "5"
    & skf21("2","3","6","4","4","3","3","1") = "5"
    & skf21("2","3","6","4","4","3","4","1") = "5"
    & skf21("2","3","6","4","4","3","5","1") = "5"
    & skf21("2","3","6","4","4","3","6","1") = "5"
    & skf21("2","3","6","4","4","3","7","1") = "6"
    & skf21("2","3","6","4","4","4","1","1") = "5"
    & skf21("2","3","6","4","4","4","2","1") = "5"
    & skf21("2","3","6","4","4","4","3","1") = "5"
    & skf21("2","3","6","4","4","4","4","1") = "5"
    & skf21("2","3","6","4","4","4","5","1") = "5"
    & skf21("2","3","6","4","4","4","6","1") = "5"
    & skf21("2","3","6","4","4","4","7","1") = "6"
    & skf21("2","3","6","4","4","5","1","1") = "5"
    & skf21("2","3","6","4","4","5","2","1") = "5"
    & skf21("2","3","6","4","4","5","3","1") = "5"
    & skf21("2","3","6","4","4","5","4","1") = "5"
    & skf21("2","3","6","4","4","5","5","1") = "5"
    & skf21("2","3","6","4","4","5","6","1") = "5"
    & skf21("2","3","6","4","4","5","7","1") = "6"
    & skf21("2","3","6","4","4","6","1","1") = "5"
    & skf21("2","3","6","4","4","6","2","1") = "5"
    & skf21("2","3","6","4","4","6","3","1") = "5"
    & skf21("2","3","6","4","4","6","4","1") = "5"
    & skf21("2","3","6","4","4","6","5","1") = "5"
    & skf21("2","3","6","4","4","6","6","1") = "5"
    & skf21("2","3","6","4","4","6","7","1") = "6"
    & skf21("2","3","6","4","4","7","1","1") = "6"
    & skf21("2","3","6","4","4","7","2","1") = "6"
    & skf21("2","3","6","4","4","7","3","1") = "6"
    & skf21("2","3","6","4","4","7","4","1") = "6"
    & skf21("2","3","6","4","4","7","5","1") = "6"
    & skf21("2","3","6","4","4","7","6","1") = "6"
    & skf21("2","3","6","4","4","7","7","1") = "6"
    & skf21("2","3","6","4","5","1","1","1") = "5"
    & skf21("2","3","6","4","5","1","2","1") = "5"
    & skf21("2","3","6","4","5","1","3","1") = "5"
    & skf21("2","3","6","4","5","1","4","1") = "5"
    & skf21("2","3","6","4","5","1","5","1") = "5"
    & skf21("2","3","6","4","5","1","6","1") = "5"
    & skf21("2","3","6","4","5","1","7","1") = "6"
    & skf21("2","3","6","4","5","2","1","1") = "5"
    & skf21("2","3","6","4","5","2","2","1") = "5"
    & skf21("2","3","6","4","5","2","3","1") = "5"
    & skf21("2","3","6","4","5","2","4","1") = "5"
    & skf21("2","3","6","4","5","2","5","1") = "5"
    & skf21("2","3","6","4","5","2","6","1") = "5"
    & skf21("2","3","6","4","5","2","7","1") = "6"
    & skf21("2","3","6","4","5","3","1","1") = "5"
    & skf21("2","3","6","4","5","3","2","1") = "5"
    & skf21("2","3","6","4","5","3","3","1") = "5"
    & skf21("2","3","6","4","5","3","4","1") = "5"
    & skf21("2","3","6","4","5","3","5","1") = "5"
    & skf21("2","3","6","4","5","3","6","1") = "5"
    & skf21("2","3","6","4","5","3","7","1") = "6"
    & skf21("2","3","6","4","5","4","1","1") = "5"
    & skf21("2","3","6","4","5","4","2","1") = "5"
    & skf21("2","3","6","4","5","4","3","1") = "5"
    & skf21("2","3","6","4","5","4","4","1") = "5"
    & skf21("2","3","6","4","5","4","5","1") = "5"
    & skf21("2","3","6","4","5","4","6","1") = "5"
    & skf21("2","3","6","4","5","4","7","1") = "6"
    & skf21("2","3","6","4","5","5","1","1") = "5"
    & skf21("2","3","6","4","5","5","2","1") = "5"
    & skf21("2","3","6","4","5","5","3","1") = "5"
    & skf21("2","3","6","4","5","5","4","1") = "5"
    & skf21("2","3","6","4","5","5","5","1") = "5"
    & skf21("2","3","6","4","5","5","6","1") = "5"
    & skf21("2","3","6","4","5","5","7","1") = "6"
    & skf21("2","3","6","4","5","6","1","1") = "5"
    & skf21("2","3","6","4","5","6","2","1") = "5"
    & skf21("2","3","6","4","5","6","3","1") = "5"
    & skf21("2","3","6","4","5","6","4","1") = "5"
    & skf21("2","3","6","4","5","6","5","1") = "5"
    & skf21("2","3","6","4","5","6","6","1") = "5"
    & skf21("2","3","6","4","5","6","7","1") = "6"
    & skf21("2","3","6","4","5","7","1","1") = "6"
    & skf21("2","3","6","4","5","7","2","1") = "6"
    & skf21("2","3","6","4","5","7","3","1") = "6"
    & skf21("2","3","6","4","5","7","4","1") = "6"
    & skf21("2","3","6","4","5","7","5","1") = "6"
    & skf21("2","3","6","4","5","7","6","1") = "6"
    & skf21("2","3","6","4","5","7","7","1") = "6"
    & skf21("2","3","6","4","6","1","1","1") = "5"
    & skf21("2","3","6","4","6","1","2","1") = "5"
    & skf21("2","3","6","4","6","1","3","1") = "5"
    & skf21("2","3","6","4","6","1","4","1") = "5"
    & skf21("2","3","6","4","6","1","5","1") = "5"
    & skf21("2","3","6","4","6","1","6","1") = "5"
    & skf21("2","3","6","4","6","1","7","1") = "6"
    & skf21("2","3","6","4","6","2","1","1") = "5"
    & skf21("2","3","6","4","6","2","2","1") = "5"
    & skf21("2","3","6","4","6","2","3","1") = "5"
    & skf21("2","3","6","4","6","2","4","1") = "5"
    & skf21("2","3","6","4","6","2","5","1") = "5"
    & skf21("2","3","6","4","6","2","6","1") = "5"
    & skf21("2","3","6","4","6","2","7","1") = "6"
    & skf21("2","3","6","4","6","3","1","1") = "5"
    & skf21("2","3","6","4","6","3","2","1") = "5"
    & skf21("2","3","6","4","6","3","3","1") = "5"
    & skf21("2","3","6","4","6","3","4","1") = "5"
    & skf21("2","3","6","4","6","3","5","1") = "5"
    & skf21("2","3","6","4","6","3","6","1") = "5"
    & skf21("2","3","6","4","6","3","7","1") = "6"
    & skf21("2","3","6","4","6","4","1","1") = "5"
    & skf21("2","3","6","4","6","4","2","1") = "5"
    & skf21("2","3","6","4","6","4","3","1") = "5"
    & skf21("2","3","6","4","6","4","4","1") = "5"
    & skf21("2","3","6","4","6","4","5","1") = "5"
    & skf21("2","3","6","4","6","4","6","1") = "5"
    & skf21("2","3","6","4","6","4","7","1") = "6"
    & skf21("2","3","6","4","6","5","1","1") = "5"
    & skf21("2","3","6","4","6","5","2","1") = "5"
    & skf21("2","3","6","4","6","5","3","1") = "5"
    & skf21("2","3","6","4","6","5","4","1") = "5"
    & skf21("2","3","6","4","6","5","5","1") = "5"
    & skf21("2","3","6","4","6","5","6","1") = "5"
    & skf21("2","3","6","4","6","5","7","1") = "6"
    & skf21("2","3","6","4","6","6","1","1") = "5"
    & skf21("2","3","6","4","6","6","2","1") = "5"
    & skf21("2","3","6","4","6","6","3","1") = "5"
    & skf21("2","3","6","4","6","6","4","1") = "5"
    & skf21("2","3","6","4","6","6","5","1") = "5"
    & skf21("2","3","6","4","6","6","6","1") = "5"
    & skf21("2","3","6","4","6","6","7","1") = "6"
    & skf21("2","3","6","4","6","7","1","1") = "6"
    & skf21("2","3","6","4","6","7","2","1") = "6"
    & skf21("2","3","6","4","6","7","3","1") = "6"
    & skf21("2","3","6","4","6","7","4","1") = "6"
    & skf21("2","3","6","4","6","7","5","1") = "6"
    & skf21("2","3","6","4","6","7","6","1") = "6"
    & skf21("2","3","6","4","6","7","7","1") = "6"
    & skf21("2","3","6","4","7","1","1","1") = "6"
    & skf21("2","3","6","4","7","1","2","1") = "6"
    & skf21("2","3","6","4","7","1","3","1") = "6"
    & skf21("2","3","6","4","7","1","4","1") = "6"
    & skf21("2","3","6","4","7","1","5","1") = "6"
    & skf21("2","3","6","4","7","1","6","1") = "6"
    & skf21("2","3","6","4","7","1","7","1") = "6"
    & skf21("2","3","6","4","7","2","1","1") = "6"
    & skf21("2","3","6","4","7","2","2","1") = "6"
    & skf21("2","3","6","4","7","2","3","1") = "6"
    & skf21("2","3","6","4","7","2","4","1") = "6"
    & skf21("2","3","6","4","7","2","5","1") = "6"
    & skf21("2","3","6","4","7","2","6","1") = "6"
    & skf21("2","3","6","4","7","2","7","1") = "6"
    & skf21("2","3","6","4","7","3","1","1") = "6"
    & skf21("2","3","6","4","7","3","2","1") = "6"
    & skf21("2","3","6","4","7","3","3","1") = "6"
    & skf21("2","3","6","4","7","3","4","1") = "6"
    & skf21("2","3","6","4","7","3","5","1") = "6"
    & skf21("2","3","6","4","7","3","6","1") = "6"
    & skf21("2","3","6","4","7","3","7","1") = "6"
    & skf21("2","3","6","4","7","4","1","1") = "6"
    & skf21("2","3","6","4","7","4","2","1") = "6"
    & skf21("2","3","6","4","7","4","3","1") = "6"
    & skf21("2","3","6","4","7","4","4","1") = "6"
    & skf21("2","3","6","4","7","4","5","1") = "6"
    & skf21("2","3","6","4","7","4","6","1") = "6"
    & skf21("2","3","6","4","7","4","7","1") = "6"
    & skf21("2","3","6","4","7","5","1","1") = "6"
    & skf21("2","3","6","4","7","5","2","1") = "6"
    & skf21("2","3","6","4","7","5","3","1") = "6"
    & skf21("2","3","6","4","7","5","4","1") = "6"
    & skf21("2","3","6","4","7","5","5","1") = "6"
    & skf21("2","3","6","4","7","5","6","1") = "6"
    & skf21("2","3","6","4","7","5","7","1") = "6"
    & skf21("2","3","6","4","7","6","1","1") = "6"
    & skf21("2","3","6","4","7","6","2","1") = "6"
    & skf21("2","3","6","4","7","6","3","1") = "6"
    & skf21("2","3","6","4","7","6","4","1") = "6"
    & skf21("2","3","6","4","7","6","5","1") = "6"
    & skf21("2","3","6","4","7","6","6","1") = "6"
    & skf21("2","3","6","4","7","6","7","1") = "6"
    & skf21("2","3","6","4","7","7","1","1") = "6"
    & skf21("2","3","6","4","7","7","2","1") = "6"
    & skf21("2","3","6","4","7","7","3","1") = "6"
    & skf21("2","3","6","4","7","7","4","1") = "6"
    & skf21("2","3","6","4","7","7","5","1") = "6"
    & skf21("2","3","6","4","7","7","6","1") = "6"
    & skf21("2","3","6","4","7","7","7","1") = "6"
    & skf21("2","3","6","5","1","1","1","1") = "5"
    & skf21("2","3","6","5","1","1","2","1") = "5"
    & skf21("2","3","6","5","1","1","3","1") = "5"
    & skf21("2","3","6","5","1","1","4","1") = "5"
    & skf21("2","3","6","5","1","1","5","1") = "5"
    & skf21("2","3","6","5","1","1","6","1") = "5"
    & skf21("2","3","6","5","1","1","7","1") = "6"
    & skf21("2","3","6","5","1","2","1","1") = "5"
    & skf21("2","3","6","5","1","2","2","1") = "5"
    & skf21("2","3","6","5","1","2","3","1") = "5"
    & skf21("2","3","6","5","1","2","4","1") = "5"
    & skf21("2","3","6","5","1","2","5","1") = "5"
    & skf21("2","3","6","5","1","2","6","1") = "5"
    & skf21("2","3","6","5","1","2","7","1") = "6"
    & skf21("2","3","6","5","1","3","1","1") = "5"
    & skf21("2","3","6","5","1","3","2","1") = "5"
    & skf21("2","3","6","5","1","3","3","1") = "5"
    & skf21("2","3","6","5","1","3","4","1") = "5"
    & skf21("2","3","6","5","1","3","5","1") = "5"
    & skf21("2","3","6","5","1","3","6","1") = "5"
    & skf21("2","3","6","5","1","3","7","1") = "6"
    & skf21("2","3","6","5","1","4","1","1") = "5"
    & skf21("2","3","6","5","1","4","2","1") = "5"
    & skf21("2","3","6","5","1","4","3","1") = "5"
    & skf21("2","3","6","5","1","4","4","1") = "5"
    & skf21("2","3","6","5","1","4","5","1") = "5"
    & skf21("2","3","6","5","1","4","6","1") = "5"
    & skf21("2","3","6","5","1","4","7","1") = "6"
    & skf21("2","3","6","5","1","5","1","1") = "5"
    & skf21("2","3","6","5","1","5","2","1") = "5"
    & skf21("2","3","6","5","1","5","3","1") = "5"
    & skf21("2","3","6","5","1","5","4","1") = "5"
    & skf21("2","3","6","5","1","5","5","1") = "5"
    & skf21("2","3","6","5","1","5","6","1") = "5"
    & skf21("2","3","6","5","1","5","7","1") = "6"
    & skf21("2","3","6","5","1","6","1","1") = "5"
    & skf21("2","3","6","5","1","6","2","1") = "5"
    & skf21("2","3","6","5","1","6","3","1") = "5"
    & skf21("2","3","6","5","1","6","4","1") = "5"
    & skf21("2","3","6","5","1","6","5","1") = "5"
    & skf21("2","3","6","5","1","6","6","1") = "5"
    & skf21("2","3","6","5","1","6","7","1") = "6"
    & skf21("2","3","6","5","1","7","1","1") = "6"
    & skf21("2","3","6","5","1","7","2","1") = "6"
    & skf21("2","3","6","5","1","7","3","1") = "6"
    & skf21("2","3","6","5","1","7","4","1") = "6"
    & skf21("2","3","6","5","1","7","5","1") = "6"
    & skf21("2","3","6","5","1","7","6","1") = "6"
    & skf21("2","3","6","5","1","7","7","1") = "6"
    & skf21("2","3","6","5","2","1","1","1") = "5"
    & skf21("2","3","6","5","2","1","2","1") = "5"
    & skf21("2","3","6","5","2","1","3","1") = "5"
    & skf21("2","3","6","5","2","1","4","1") = "5"
    & skf21("2","3","6","5","2","1","5","1") = "5"
    & skf21("2","3","6","5","2","1","6","1") = "5"
    & skf21("2","3","6","5","2","1","7","1") = "6"
    & skf21("2","3","6","5","2","2","1","1") = "5"
    & skf21("2","3","6","5","2","2","2","1") = "5"
    & skf21("2","3","6","5","2","2","3","1") = "5"
    & skf21("2","3","6","5","2","2","4","1") = "5"
    & skf21("2","3","6","5","2","2","5","1") = "5"
    & skf21("2","3","6","5","2","2","6","1") = "5"
    & skf21("2","3","6","5","2","2","7","1") = "6"
    & skf21("2","3","6","5","2","3","1","1") = "5"
    & skf21("2","3","6","5","2","3","2","1") = "5"
    & skf21("2","3","6","5","2","3","3","1") = "5"
    & skf21("2","3","6","5","2","3","4","1") = "5"
    & skf21("2","3","6","5","2","3","5","1") = "5"
    & skf21("2","3","6","5","2","3","6","1") = "5"
    & skf21("2","3","6","5","2","3","7","1") = "6"
    & skf21("2","3","6","5","2","4","1","1") = "5"
    & skf21("2","3","6","5","2","4","2","1") = "5"
    & skf21("2","3","6","5","2","4","3","1") = "5"
    & skf21("2","3","6","5","2","4","4","1") = "5"
    & skf21("2","3","6","5","2","4","5","1") = "5"
    & skf21("2","3","6","5","2","4","6","1") = "5"
    & skf21("2","3","6","5","2","4","7","1") = "6"
    & skf21("2","3","6","5","2","5","1","1") = "5"
    & skf21("2","3","6","5","2","5","2","1") = "5"
    & skf21("2","3","6","5","2","5","3","1") = "5"
    & skf21("2","3","6","5","2","5","4","1") = "5"
    & skf21("2","3","6","5","2","5","5","1") = "5"
    & skf21("2","3","6","5","2","5","6","1") = "5"
    & skf21("2","3","6","5","2","5","7","1") = "6"
    & skf21("2","3","6","5","2","6","1","1") = "5"
    & skf21("2","3","6","5","2","6","2","1") = "5"
    & skf21("2","3","6","5","2","6","3","1") = "5"
    & skf21("2","3","6","5","2","6","4","1") = "5"
    & skf21("2","3","6","5","2","6","5","1") = "5"
    & skf21("2","3","6","5","2","6","6","1") = "5"
    & skf21("2","3","6","5","2","6","7","1") = "6"
    & skf21("2","3","6","5","2","7","1","1") = "6"
    & skf21("2","3","6","5","2","7","2","1") = "6"
    & skf21("2","3","6","5","2","7","3","1") = "6"
    & skf21("2","3","6","5","2","7","4","1") = "6"
    & skf21("2","3","6","5","2","7","5","1") = "6"
    & skf21("2","3","6","5","2","7","6","1") = "6"
    & skf21("2","3","6","5","2","7","7","1") = "6"
    & skf21("2","3","6","5","3","1","1","1") = "5"
    & skf21("2","3","6","5","3","1","2","1") = "5"
    & skf21("2","3","6","5","3","1","3","1") = "5"
    & skf21("2","3","6","5","3","1","4","1") = "5"
    & skf21("2","3","6","5","3","1","5","1") = "5"
    & skf21("2","3","6","5","3","1","6","1") = "5"
    & skf21("2","3","6","5","3","1","7","1") = "6"
    & skf21("2","3","6","5","3","2","1","1") = "5"
    & skf21("2","3","6","5","3","2","2","1") = "5"
    & skf21("2","3","6","5","3","2","3","1") = "5"
    & skf21("2","3","6","5","3","2","4","1") = "5"
    & skf21("2","3","6","5","3","2","5","1") = "5"
    & skf21("2","3","6","5","3","2","6","1") = "5"
    & skf21("2","3","6","5","3","2","7","1") = "6"
    & skf21("2","3","6","5","3","3","1","1") = "5"
    & skf21("2","3","6","5","3","3","2","1") = "5"
    & skf21("2","3","6","5","3","3","3","1") = "5"
    & skf21("2","3","6","5","3","3","4","1") = "5"
    & skf21("2","3","6","5","3","3","5","1") = "5"
    & skf21("2","3","6","5","3","3","6","1") = "5"
    & skf21("2","3","6","5","3","3","7","1") = "6"
    & skf21("2","3","6","5","3","4","1","1") = "5"
    & skf21("2","3","6","5","3","4","2","1") = "5"
    & skf21("2","3","6","5","3","4","3","1") = "5"
    & skf21("2","3","6","5","3","4","4","1") = "5"
    & skf21("2","3","6","5","3","4","5","1") = "5"
    & skf21("2","3","6","5","3","4","6","1") = "5"
    & skf21("2","3","6","5","3","4","7","1") = "6"
    & skf21("2","3","6","5","3","5","1","1") = "5"
    & skf21("2","3","6","5","3","5","2","1") = "5"
    & skf21("2","3","6","5","3","5","3","1") = "5"
    & skf21("2","3","6","5","3","5","4","1") = "5"
    & skf21("2","3","6","5","3","5","5","1") = "5"
    & skf21("2","3","6","5","3","5","6","1") = "5"
    & skf21("2","3","6","5","3","5","7","1") = "6"
    & skf21("2","3","6","5","3","6","1","1") = "5"
    & skf21("2","3","6","5","3","6","2","1") = "5"
    & skf21("2","3","6","5","3","6","3","1") = "5"
    & skf21("2","3","6","5","3","6","4","1") = "5"
    & skf21("2","3","6","5","3","6","5","1") = "5"
    & skf21("2","3","6","5","3","6","6","1") = "5"
    & skf21("2","3","6","5","3","6","7","1") = "6"
    & skf21("2","3","6","5","3","7","1","1") = "6"
    & skf21("2","3","6","5","3","7","2","1") = "6"
    & skf21("2","3","6","5","3","7","3","1") = "6"
    & skf21("2","3","6","5","3","7","4","1") = "6"
    & skf21("2","3","6","5","3","7","5","1") = "6"
    & skf21("2","3","6","5","3","7","6","1") = "6"
    & skf21("2","3","6","5","3","7","7","1") = "6"
    & skf21("2","3","6","5","4","1","1","1") = "5"
    & skf21("2","3","6","5","4","1","2","1") = "5"
    & skf21("2","3","6","5","4","1","3","1") = "5"
    & skf21("2","3","6","5","4","1","4","1") = "5"
    & skf21("2","3","6","5","4","1","5","1") = "5"
    & skf21("2","3","6","5","4","1","6","1") = "5"
    & skf21("2","3","6","5","4","1","7","1") = "6"
    & skf21("2","3","6","5","4","2","1","1") = "5"
    & skf21("2","3","6","5","4","2","2","1") = "5"
    & skf21("2","3","6","5","4","2","3","1") = "5"
    & skf21("2","3","6","5","4","2","4","1") = "5"
    & skf21("2","3","6","5","4","2","5","1") = "5"
    & skf21("2","3","6","5","4","2","6","1") = "5"
    & skf21("2","3","6","5","4","2","7","1") = "6"
    & skf21("2","3","6","5","4","3","1","1") = "5"
    & skf21("2","3","6","5","4","3","2","1") = "5"
    & skf21("2","3","6","5","4","3","3","1") = "5"
    & skf21("2","3","6","5","4","3","4","1") = "5"
    & skf21("2","3","6","5","4","3","5","1") = "5"
    & skf21("2","3","6","5","4","3","6","1") = "5"
    & skf21("2","3","6","5","4","3","7","1") = "6"
    & skf21("2","3","6","5","4","4","1","1") = "5"
    & skf21("2","3","6","5","4","4","2","1") = "5"
    & skf21("2","3","6","5","4","4","3","1") = "5"
    & skf21("2","3","6","5","4","4","4","1") = "5"
    & skf21("2","3","6","5","4","4","5","1") = "5"
    & skf21("2","3","6","5","4","4","6","1") = "5"
    & skf21("2","3","6","5","4","4","7","1") = "6"
    & skf21("2","3","6","5","4","5","1","1") = "5"
    & skf21("2","3","6","5","4","5","2","1") = "5"
    & skf21("2","3","6","5","4","5","3","1") = "5"
    & skf21("2","3","6","5","4","5","4","1") = "5"
    & skf21("2","3","6","5","4","5","5","1") = "5"
    & skf21("2","3","6","5","4","5","6","1") = "5"
    & skf21("2","3","6","5","4","5","7","1") = "6"
    & skf21("2","3","6","5","4","6","1","1") = "5"
    & skf21("2","3","6","5","4","6","2","1") = "5"
    & skf21("2","3","6","5","4","6","3","1") = "5"
    & skf21("2","3","6","5","4","6","4","1") = "5"
    & skf21("2","3","6","5","4","6","5","1") = "5"
    & skf21("2","3","6","5","4","6","6","1") = "5"
    & skf21("2","3","6","5","4","6","7","1") = "6"
    & skf21("2","3","6","5","4","7","1","1") = "6"
    & skf21("2","3","6","5","4","7","2","1") = "6"
    & skf21("2","3","6","5","4","7","3","1") = "6"
    & skf21("2","3","6","5","4","7","4","1") = "6"
    & skf21("2","3","6","5","4","7","5","1") = "6"
    & skf21("2","3","6","5","4","7","6","1") = "6"
    & skf21("2","3","6","5","4","7","7","1") = "6"
    & skf21("2","3","6","5","5","1","1","1") = "5"
    & skf21("2","3","6","5","5","1","2","1") = "5"
    & skf21("2","3","6","5","5","1","3","1") = "5"
    & skf21("2","3","6","5","5","1","4","1") = "5"
    & skf21("2","3","6","5","5","1","5","1") = "5"
    & skf21("2","3","6","5","5","1","6","1") = "5"
    & skf21("2","3","6","5","5","1","7","1") = "6"
    & skf21("2","3","6","5","5","2","1","1") = "5"
    & skf21("2","3","6","5","5","2","2","1") = "5"
    & skf21("2","3","6","5","5","2","3","1") = "5"
    & skf21("2","3","6","5","5","2","4","1") = "5"
    & skf21("2","3","6","5","5","2","5","1") = "5"
    & skf21("2","3","6","5","5","2","6","1") = "5"
    & skf21("2","3","6","5","5","2","7","1") = "6"
    & skf21("2","3","6","5","5","3","1","1") = "5"
    & skf21("2","3","6","5","5","3","2","1") = "5"
    & skf21("2","3","6","5","5","3","3","1") = "5"
    & skf21("2","3","6","5","5","3","4","1") = "5"
    & skf21("2","3","6","5","5","3","5","1") = "5"
    & skf21("2","3","6","5","5","3","6","1") = "5"
    & skf21("2","3","6","5","5","3","7","1") = "6"
    & skf21("2","3","6","5","5","4","1","1") = "5"
    & skf21("2","3","6","5","5","4","2","1") = "5"
    & skf21("2","3","6","5","5","4","3","1") = "5"
    & skf21("2","3","6","5","5","4","4","1") = "5"
    & skf21("2","3","6","5","5","4","5","1") = "5"
    & skf21("2","3","6","5","5","4","6","1") = "5"
    & skf21("2","3","6","5","5","4","7","1") = "6"
    & skf21("2","3","6","5","5","5","1","1") = "5"
    & skf21("2","3","6","5","5","5","2","1") = "5"
    & skf21("2","3","6","5","5","5","3","1") = "5"
    & skf21("2","3","6","5","5","5","4","1") = "5"
    & skf21("2","3","6","5","5","5","5","1") = "5"
    & skf21("2","3","6","5","5","5","6","1") = "5"
    & skf21("2","3","6","5","5","5","7","1") = "6"
    & skf21("2","3","6","5","5","6","1","1") = "5"
    & skf21("2","3","6","5","5","6","2","1") = "5"
    & skf21("2","3","6","5","5","6","3","1") = "5"
    & skf21("2","3","6","5","5","6","4","1") = "5"
    & skf21("2","3","6","5","5","6","5","1") = "5"
    & skf21("2","3","6","5","5","6","6","1") = "5"
    & skf21("2","3","6","5","5","6","7","1") = "6"
    & skf21("2","3","6","5","5","7","1","1") = "6"
    & skf21("2","3","6","5","5","7","2","1") = "6"
    & skf21("2","3","6","5","5","7","3","1") = "6"
    & skf21("2","3","6","5","5","7","4","1") = "6"
    & skf21("2","3","6","5","5","7","5","1") = "6"
    & skf21("2","3","6","5","5","7","6","1") = "6"
    & skf21("2","3","6","5","5","7","7","1") = "6"
    & skf21("2","3","6","5","6","1","1","1") = "5"
    & skf21("2","3","6","5","6","1","2","1") = "5"
    & skf21("2","3","6","5","6","1","3","1") = "5"
    & skf21("2","3","6","5","6","1","4","1") = "5"
    & skf21("2","3","6","5","6","1","5","1") = "5"
    & skf21("2","3","6","5","6","1","6","1") = "5"
    & skf21("2","3","6","5","6","1","7","1") = "6"
    & skf21("2","3","6","5","6","2","1","1") = "5"
    & skf21("2","3","6","5","6","2","2","1") = "5"
    & skf21("2","3","6","5","6","2","3","1") = "5"
    & skf21("2","3","6","5","6","2","4","1") = "5"
    & skf21("2","3","6","5","6","2","5","1") = "5"
    & skf21("2","3","6","5","6","2","6","1") = "5"
    & skf21("2","3","6","5","6","2","7","1") = "6"
    & skf21("2","3","6","5","6","3","1","1") = "5"
    & skf21("2","3","6","5","6","3","2","1") = "5"
    & skf21("2","3","6","5","6","3","3","1") = "5"
    & skf21("2","3","6","5","6","3","4","1") = "5"
    & skf21("2","3","6","5","6","3","5","1") = "5"
    & skf21("2","3","6","5","6","3","6","1") = "5"
    & skf21("2","3","6","5","6","3","7","1") = "6"
    & skf21("2","3","6","5","6","4","1","1") = "5"
    & skf21("2","3","6","5","6","4","2","1") = "5"
    & skf21("2","3","6","5","6","4","3","1") = "5"
    & skf21("2","3","6","5","6","4","4","1") = "5"
    & skf21("2","3","6","5","6","4","5","1") = "5"
    & skf21("2","3","6","5","6","4","6","1") = "5"
    & skf21("2","3","6","5","6","4","7","1") = "6"
    & skf21("2","3","6","5","6","5","1","1") = "5"
    & skf21("2","3","6","5","6","5","2","1") = "5"
    & skf21("2","3","6","5","6","5","3","1") = "5"
    & skf21("2","3","6","5","6","5","4","1") = "5"
    & skf21("2","3","6","5","6","5","5","1") = "5"
    & skf21("2","3","6","5","6","5","6","1") = "5"
    & skf21("2","3","6","5","6","5","7","1") = "6"
    & skf21("2","3","6","5","6","6","1","1") = "5"
    & skf21("2","3","6","5","6","6","2","1") = "5"
    & skf21("2","3","6","5","6","6","3","1") = "5"
    & skf21("2","3","6","5","6","6","4","1") = "5"
    & skf21("2","3","6","5","6","6","5","1") = "5"
    & skf21("2","3","6","5","6","6","6","1") = "5"
    & skf21("2","3","6","5","6","6","7","1") = "6"
    & skf21("2","3","6","5","6","7","1","1") = "6"
    & skf21("2","3","6","5","6","7","2","1") = "6"
    & skf21("2","3","6","5","6","7","3","1") = "6"
    & skf21("2","3","6","5","6","7","4","1") = "6"
    & skf21("2","3","6","5","6","7","5","1") = "6"
    & skf21("2","3","6","5","6","7","6","1") = "6"
    & skf21("2","3","6","5","6","7","7","1") = "6"
    & skf21("2","3","6","5","7","1","1","1") = "6"
    & skf21("2","3","6","5","7","1","2","1") = "6"
    & skf21("2","3","6","5","7","1","3","1") = "6"
    & skf21("2","3","6","5","7","1","4","1") = "6"
    & skf21("2","3","6","5","7","1","5","1") = "6"
    & skf21("2","3","6","5","7","1","6","1") = "6"
    & skf21("2","3","6","5","7","1","7","1") = "6"
    & skf21("2","3","6","5","7","2","1","1") = "6"
    & skf21("2","3","6","5","7","2","2","1") = "6"
    & skf21("2","3","6","5","7","2","3","1") = "6"
    & skf21("2","3","6","5","7","2","4","1") = "6"
    & skf21("2","3","6","5","7","2","5","1") = "6"
    & skf21("2","3","6","5","7","2","6","1") = "6"
    & skf21("2","3","6","5","7","2","7","1") = "6"
    & skf21("2","3","6","5","7","3","1","1") = "6"
    & skf21("2","3","6","5","7","3","2","1") = "6"
    & skf21("2","3","6","5","7","3","3","1") = "6"
    & skf21("2","3","6","5","7","3","4","1") = "6"
    & skf21("2","3","6","5","7","3","5","1") = "6"
    & skf21("2","3","6","5","7","3","6","1") = "6"
    & skf21("2","3","6","5","7","3","7","1") = "6"
    & skf21("2","3","6","5","7","4","1","1") = "6"
    & skf21("2","3","6","5","7","4","2","1") = "6"
    & skf21("2","3","6","5","7","4","3","1") = "6"
    & skf21("2","3","6","5","7","4","4","1") = "6"
    & skf21("2","3","6","5","7","4","5","1") = "6"
    & skf21("2","3","6","5","7","4","6","1") = "6"
    & skf21("2","3","6","5","7","4","7","1") = "6"
    & skf21("2","3","6","5","7","5","1","1") = "6"
    & skf21("2","3","6","5","7","5","2","1") = "6"
    & skf21("2","3","6","5","7","5","3","1") = "6"
    & skf21("2","3","6","5","7","5","4","1") = "6"
    & skf21("2","3","6","5","7","5","5","1") = "6"
    & skf21("2","3","6","5","7","5","6","1") = "6"
    & skf21("2","3","6","5","7","5","7","1") = "6"
    & skf21("2","3","6","5","7","6","1","1") = "6"
    & skf21("2","3","6","5","7","6","2","1") = "6"
    & skf21("2","3","6","5","7","6","3","1") = "6"
    & skf21("2","3","6","5","7","6","4","1") = "6"
    & skf21("2","3","6","5","7","6","5","1") = "6"
    & skf21("2","3","6","5","7","6","6","1") = "6"
    & skf21("2","3","6","5","7","6","7","1") = "6"
    & skf21("2","3","6","5","7","7","1","1") = "6"
    & skf21("2","3","6","5","7","7","2","1") = "6"
    & skf21("2","3","6","5","7","7","3","1") = "6"
    & skf21("2","3","6","5","7","7","4","1") = "6"
    & skf21("2","3","6","5","7","7","5","1") = "6"
    & skf21("2","3","6","5","7","7","6","1") = "6"
    & skf21("2","3","6","5","7","7","7","1") = "6"
    & skf21("2","3","6","6","1","1","1","1") = "5"
    & skf21("2","3","6","6","1","1","2","1") = "5"
    & skf21("2","3","6","6","1","1","3","1") = "5"
    & skf21("2","3","6","6","1","1","4","1") = "5"
    & skf21("2","3","6","6","1","1","5","1") = "5"
    & skf21("2","3","6","6","1","1","6","1") = "5"
    & skf21("2","3","6","6","1","1","7","1") = "6"
    & skf21("2","3","6","6","1","2","1","1") = "5"
    & skf21("2","3","6","6","1","2","2","1") = "5"
    & skf21("2","3","6","6","1","2","3","1") = "5"
    & skf21("2","3","6","6","1","2","4","1") = "5"
    & skf21("2","3","6","6","1","2","5","1") = "5"
    & skf21("2","3","6","6","1","2","6","1") = "5"
    & skf21("2","3","6","6","1","2","7","1") = "6"
    & skf21("2","3","6","6","1","3","1","1") = "5"
    & skf21("2","3","6","6","1","3","2","1") = "5"
    & skf21("2","3","6","6","1","3","3","1") = "5"
    & skf21("2","3","6","6","1","3","4","1") = "5"
    & skf21("2","3","6","6","1","3","5","1") = "5"
    & skf21("2","3","6","6","1","3","6","1") = "5"
    & skf21("2","3","6","6","1","3","7","1") = "6"
    & skf21("2","3","6","6","1","4","1","1") = "5"
    & skf21("2","3","6","6","1","4","2","1") = "5"
    & skf21("2","3","6","6","1","4","3","1") = "5"
    & skf21("2","3","6","6","1","4","4","1") = "5"
    & skf21("2","3","6","6","1","4","5","1") = "5"
    & skf21("2","3","6","6","1","4","6","1") = "5"
    & skf21("2","3","6","6","1","4","7","1") = "6"
    & skf21("2","3","6","6","1","5","1","1") = "5"
    & skf21("2","3","6","6","1","5","2","1") = "5"
    & skf21("2","3","6","6","1","5","3","1") = "5"
    & skf21("2","3","6","6","1","5","4","1") = "5"
    & skf21("2","3","6","6","1","5","5","1") = "5"
    & skf21("2","3","6","6","1","5","6","1") = "5"
    & skf21("2","3","6","6","1","5","7","1") = "6"
    & skf21("2","3","6","6","1","6","1","1") = "5"
    & skf21("2","3","6","6","1","6","2","1") = "5"
    & skf21("2","3","6","6","1","6","3","1") = "5"
    & skf21("2","3","6","6","1","6","4","1") = "5"
    & skf21("2","3","6","6","1","6","5","1") = "5"
    & skf21("2","3","6","6","1","6","6","1") = "5"
    & skf21("2","3","6","6","1","6","7","1") = "6"
    & skf21("2","3","6","6","1","7","1","1") = "6"
    & skf21("2","3","6","6","1","7","2","1") = "6"
    & skf21("2","3","6","6","1","7","3","1") = "6"
    & skf21("2","3","6","6","1","7","4","1") = "6"
    & skf21("2","3","6","6","1","7","5","1") = "6"
    & skf21("2","3","6","6","1","7","6","1") = "6"
    & skf21("2","3","6","6","1","7","7","1") = "6"
    & skf21("2","3","6","6","2","1","1","1") = "5"
    & skf21("2","3","6","6","2","1","2","1") = "5"
    & skf21("2","3","6","6","2","1","3","1") = "5"
    & skf21("2","3","6","6","2","1","4","1") = "5"
    & skf21("2","3","6","6","2","1","5","1") = "5"
    & skf21("2","3","6","6","2","1","6","1") = "5"
    & skf21("2","3","6","6","2","1","7","1") = "6"
    & skf21("2","3","6","6","2","2","1","1") = "5"
    & skf21("2","3","6","6","2","2","2","1") = "5"
    & skf21("2","3","6","6","2","2","3","1") = "5"
    & skf21("2","3","6","6","2","2","4","1") = "5"
    & skf21("2","3","6","6","2","2","5","1") = "5"
    & skf21("2","3","6","6","2","2","6","1") = "5"
    & skf21("2","3","6","6","2","2","7","1") = "6"
    & skf21("2","3","6","6","2","3","1","1") = "5"
    & skf21("2","3","6","6","2","3","2","1") = "5"
    & skf21("2","3","6","6","2","3","3","1") = "5"
    & skf21("2","3","6","6","2","3","4","1") = "5"
    & skf21("2","3","6","6","2","3","5","1") = "5"
    & skf21("2","3","6","6","2","3","6","1") = "5"
    & skf21("2","3","6","6","2","3","7","1") = "6"
    & skf21("2","3","6","6","2","4","1","1") = "5"
    & skf21("2","3","6","6","2","4","2","1") = "5"
    & skf21("2","3","6","6","2","4","3","1") = "5"
    & skf21("2","3","6","6","2","4","4","1") = "5"
    & skf21("2","3","6","6","2","4","5","1") = "5"
    & skf21("2","3","6","6","2","4","6","1") = "5"
    & skf21("2","3","6","6","2","4","7","1") = "6"
    & skf21("2","3","6","6","2","5","1","1") = "5"
    & skf21("2","3","6","6","2","5","2","1") = "5"
    & skf21("2","3","6","6","2","5","3","1") = "5"
    & skf21("2","3","6","6","2","5","4","1") = "5"
    & skf21("2","3","6","6","2","5","5","1") = "5"
    & skf21("2","3","6","6","2","5","6","1") = "5"
    & skf21("2","3","6","6","2","5","7","1") = "6"
    & skf21("2","3","6","6","2","6","1","1") = "5"
    & skf21("2","3","6","6","2","6","2","1") = "5"
    & skf21("2","3","6","6","2","6","3","1") = "5"
    & skf21("2","3","6","6","2","6","4","1") = "5"
    & skf21("2","3","6","6","2","6","5","1") = "5"
    & skf21("2","3","6","6","2","6","6","1") = "5"
    & skf21("2","3","6","6","2","6","7","1") = "6"
    & skf21("2","3","6","6","2","7","1","1") = "6"
    & skf21("2","3","6","6","2","7","2","1") = "6"
    & skf21("2","3","6","6","2","7","3","1") = "6"
    & skf21("2","3","6","6","2","7","4","1") = "6"
    & skf21("2","3","6","6","2","7","5","1") = "6"
    & skf21("2","3","6","6","2","7","6","1") = "6"
    & skf21("2","3","6","6","2","7","7","1") = "6"
    & skf21("2","3","6","6","3","1","1","1") = "5"
    & skf21("2","3","6","6","3","1","2","1") = "5"
    & skf21("2","3","6","6","3","1","3","1") = "5"
    & skf21("2","3","6","6","3","1","4","1") = "5"
    & skf21("2","3","6","6","3","1","5","1") = "5"
    & skf21("2","3","6","6","3","1","6","1") = "5"
    & skf21("2","3","6","6","3","1","7","1") = "6"
    & skf21("2","3","6","6","3","2","1","1") = "5"
    & skf21("2","3","6","6","3","2","2","1") = "5"
    & skf21("2","3","6","6","3","2","3","1") = "5"
    & skf21("2","3","6","6","3","2","4","1") = "5"
    & skf21("2","3","6","6","3","2","5","1") = "5"
    & skf21("2","3","6","6","3","2","6","1") = "5"
    & skf21("2","3","6","6","3","2","7","1") = "6"
    & skf21("2","3","6","6","3","3","1","1") = "5"
    & skf21("2","3","6","6","3","3","2","1") = "5"
    & skf21("2","3","6","6","3","3","3","1") = "5"
    & skf21("2","3","6","6","3","3","4","1") = "5"
    & skf21("2","3","6","6","3","3","5","1") = "5"
    & skf21("2","3","6","6","3","3","6","1") = "5"
    & skf21("2","3","6","6","3","3","7","1") = "6"
    & skf21("2","3","6","6","3","4","1","1") = "5"
    & skf21("2","3","6","6","3","4","2","1") = "5"
    & skf21("2","3","6","6","3","4","3","1") = "5"
    & skf21("2","3","6","6","3","4","4","1") = "5"
    & skf21("2","3","6","6","3","4","5","1") = "5"
    & skf21("2","3","6","6","3","4","6","1") = "5"
    & skf21("2","3","6","6","3","4","7","1") = "6"
    & skf21("2","3","6","6","3","5","1","1") = "5"
    & skf21("2","3","6","6","3","5","2","1") = "5"
    & skf21("2","3","6","6","3","5","3","1") = "5"
    & skf21("2","3","6","6","3","5","4","1") = "5"
    & skf21("2","3","6","6","3","5","5","1") = "5"
    & skf21("2","3","6","6","3","5","6","1") = "5"
    & skf21("2","3","6","6","3","5","7","1") = "6"
    & skf21("2","3","6","6","3","6","1","1") = "5"
    & skf21("2","3","6","6","3","6","2","1") = "5"
    & skf21("2","3","6","6","3","6","3","1") = "5"
    & skf21("2","3","6","6","3","6","4","1") = "5"
    & skf21("2","3","6","6","3","6","5","1") = "5"
    & skf21("2","3","6","6","3","6","6","1") = "5"
    & skf21("2","3","6","6","3","6","7","1") = "6"
    & skf21("2","3","6","6","3","7","1","1") = "6"
    & skf21("2","3","6","6","3","7","2","1") = "6"
    & skf21("2","3","6","6","3","7","3","1") = "6"
    & skf21("2","3","6","6","3","7","4","1") = "6"
    & skf21("2","3","6","6","3","7","5","1") = "6"
    & skf21("2","3","6","6","3","7","6","1") = "6"
    & skf21("2","3","6","6","3","7","7","1") = "6"
    & skf21("2","3","6","6","4","1","1","1") = "5"
    & skf21("2","3","6","6","4","1","2","1") = "5"
    & skf21("2","3","6","6","4","1","3","1") = "5"
    & skf21("2","3","6","6","4","1","4","1") = "5"
    & skf21("2","3","6","6","4","1","5","1") = "5"
    & skf21("2","3","6","6","4","1","6","1") = "5"
    & skf21("2","3","6","6","4","1","7","1") = "6"
    & skf21("2","3","6","6","4","2","1","1") = "5"
    & skf21("2","3","6","6","4","2","2","1") = "5"
    & skf21("2","3","6","6","4","2","3","1") = "5"
    & skf21("2","3","6","6","4","2","4","1") = "5"
    & skf21("2","3","6","6","4","2","5","1") = "5"
    & skf21("2","3","6","6","4","2","6","1") = "5"
    & skf21("2","3","6","6","4","2","7","1") = "6"
    & skf21("2","3","6","6","4","3","1","1") = "5"
    & skf21("2","3","6","6","4","3","2","1") = "5"
    & skf21("2","3","6","6","4","3","3","1") = "5"
    & skf21("2","3","6","6","4","3","4","1") = "5"
    & skf21("2","3","6","6","4","3","5","1") = "5"
    & skf21("2","3","6","6","4","3","6","1") = "5"
    & skf21("2","3","6","6","4","3","7","1") = "6"
    & skf21("2","3","6","6","4","4","1","1") = "5"
    & skf21("2","3","6","6","4","4","2","1") = "5"
    & skf21("2","3","6","6","4","4","3","1") = "5"
    & skf21("2","3","6","6","4","4","4","1") = "5"
    & skf21("2","3","6","6","4","4","5","1") = "5"
    & skf21("2","3","6","6","4","4","6","1") = "5"
    & skf21("2","3","6","6","4","4","7","1") = "6"
    & skf21("2","3","6","6","4","5","1","1") = "5"
    & skf21("2","3","6","6","4","5","2","1") = "5"
    & skf21("2","3","6","6","4","5","3","1") = "5"
    & skf21("2","3","6","6","4","5","4","1") = "5"
    & skf21("2","3","6","6","4","5","5","1") = "5"
    & skf21("2","3","6","6","4","5","6","1") = "5"
    & skf21("2","3","6","6","4","5","7","1") = "6"
    & skf21("2","3","6","6","4","6","1","1") = "5"
    & skf21("2","3","6","6","4","6","2","1") = "5"
    & skf21("2","3","6","6","4","6","3","1") = "5"
    & skf21("2","3","6","6","4","6","4","1") = "5"
    & skf21("2","3","6","6","4","6","5","1") = "5"
    & skf21("2","3","6","6","4","6","6","1") = "5"
    & skf21("2","3","6","6","4","6","7","1") = "6"
    & skf21("2","3","6","6","4","7","1","1") = "6"
    & skf21("2","3","6","6","4","7","2","1") = "6"
    & skf21("2","3","6","6","4","7","3","1") = "6"
    & skf21("2","3","6","6","4","7","4","1") = "6"
    & skf21("2","3","6","6","4","7","5","1") = "6"
    & skf21("2","3","6","6","4","7","6","1") = "6"
    & skf21("2","3","6","6","4","7","7","1") = "6"
    & skf21("2","3","6","6","5","1","1","1") = "5"
    & skf21("2","3","6","6","5","1","2","1") = "5"
    & skf21("2","3","6","6","5","1","3","1") = "5"
    & skf21("2","3","6","6","5","1","4","1") = "5"
    & skf21("2","3","6","6","5","1","5","1") = "5"
    & skf21("2","3","6","6","5","1","6","1") = "5"
    & skf21("2","3","6","6","5","1","7","1") = "6"
    & skf21("2","3","6","6","5","2","1","1") = "5"
    & skf21("2","3","6","6","5","2","2","1") = "5"
    & skf21("2","3","6","6","5","2","3","1") = "5"
    & skf21("2","3","6","6","5","2","4","1") = "5"
    & skf21("2","3","6","6","5","2","5","1") = "5"
    & skf21("2","3","6","6","5","2","6","1") = "5"
    & skf21("2","3","6","6","5","2","7","1") = "6"
    & skf21("2","3","6","6","5","3","1","1") = "5"
    & skf21("2","3","6","6","5","3","2","1") = "5"
    & skf21("2","3","6","6","5","3","3","1") = "5"
    & skf21("2","3","6","6","5","3","4","1") = "5"
    & skf21("2","3","6","6","5","3","5","1") = "5"
    & skf21("2","3","6","6","5","3","6","1") = "5"
    & skf21("2","3","6","6","5","3","7","1") = "6"
    & skf21("2","3","6","6","5","4","1","1") = "5"
    & skf21("2","3","6","6","5","4","2","1") = "5"
    & skf21("2","3","6","6","5","4","3","1") = "5"
    & skf21("2","3","6","6","5","4","4","1") = "5"
    & skf21("2","3","6","6","5","4","5","1") = "5"
    & skf21("2","3","6","6","5","4","6","1") = "5"
    & skf21("2","3","6","6","5","4","7","1") = "6"
    & skf21("2","3","6","6","5","5","1","1") = "5"
    & skf21("2","3","6","6","5","5","2","1") = "5"
    & skf21("2","3","6","6","5","5","3","1") = "5"
    & skf21("2","3","6","6","5","5","4","1") = "5"
    & skf21("2","3","6","6","5","5","5","1") = "5"
    & skf21("2","3","6","6","5","5","6","1") = "5"
    & skf21("2","3","6","6","5","5","7","1") = "6"
    & skf21("2","3","6","6","5","6","1","1") = "5"
    & skf21("2","3","6","6","5","6","2","1") = "5"
    & skf21("2","3","6","6","5","6","3","1") = "5"
    & skf21("2","3","6","6","5","6","4","1") = "5"
    & skf21("2","3","6","6","5","6","5","1") = "5"
    & skf21("2","3","6","6","5","6","6","1") = "5"
    & skf21("2","3","6","6","5","6","7","1") = "6"
    & skf21("2","3","6","6","5","7","1","1") = "6"
    & skf21("2","3","6","6","5","7","2","1") = "6"
    & skf21("2","3","6","6","5","7","3","1") = "6"
    & skf21("2","3","6","6","5","7","4","1") = "6"
    & skf21("2","3","6","6","5","7","5","1") = "6"
    & skf21("2","3","6","6","5","7","6","1") = "6"
    & skf21("2","3","6","6","5","7","7","1") = "6"
    & skf21("2","3","6","6","6","1","1","1") = "5"
    & skf21("2","3","6","6","6","1","2","1") = "5"
    & skf21("2","3","6","6","6","1","3","1") = "5"
    & skf21("2","3","6","6","6","1","4","1") = "5"
    & skf21("2","3","6","6","6","1","5","1") = "5"
    & skf21("2","3","6","6","6","1","6","1") = "5"
    & skf21("2","3","6","6","6","1","7","1") = "6"
    & skf21("2","3","6","6","6","2","1","1") = "5"
    & skf21("2","3","6","6","6","2","2","1") = "5"
    & skf21("2","3","6","6","6","2","3","1") = "5"
    & skf21("2","3","6","6","6","2","4","1") = "5"
    & skf21("2","3","6","6","6","2","5","1") = "5"
    & skf21("2","3","6","6","6","2","6","1") = "5"
    & skf21("2","3","6","6","6","2","7","1") = "6"
    & skf21("2","3","6","6","6","3","1","1") = "5"
    & skf21("2","3","6","6","6","3","2","1") = "5"
    & skf21("2","3","6","6","6","3","3","1") = "5"
    & skf21("2","3","6","6","6","3","4","1") = "5"
    & skf21("2","3","6","6","6","3","5","1") = "5"
    & skf21("2","3","6","6","6","3","6","1") = "5"
    & skf21("2","3","6","6","6","3","7","1") = "6"
    & skf21("2","3","6","6","6","4","1","1") = "5"
    & skf21("2","3","6","6","6","4","2","1") = "5"
    & skf21("2","3","6","6","6","4","3","1") = "5"
    & skf21("2","3","6","6","6","4","4","1") = "5"
    & skf21("2","3","6","6","6","4","5","1") = "5"
    & skf21("2","3","6","6","6","4","6","1") = "5"
    & skf21("2","3","6","6","6","4","7","1") = "6"
    & skf21("2","3","6","6","6","5","1","1") = "5"
    & skf21("2","3","6","6","6","5","2","1") = "5"
    & skf21("2","3","6","6","6","5","3","1") = "5"
    & skf21("2","3","6","6","6","5","4","1") = "5"
    & skf21("2","3","6","6","6","5","5","1") = "5"
    & skf21("2","3","6","6","6","5","6","1") = "5"
    & skf21("2","3","6","6","6","5","7","1") = "6"
    & skf21("2","3","6","6","6","6","1","1") = "5"
    & skf21("2","3","6","6","6","6","2","1") = "5"
    & skf21("2","3","6","6","6","6","3","1") = "5"
    & skf21("2","3","6","6","6","6","4","1") = "5"
    & skf21("2","3","6","6","6","6","5","1") = "5"
    & skf21("2","3","6","6","6","6","6","1") = "5"
    & skf21("2","3","6","6","6","6","7","1") = "6"
    & skf21("2","3","6","6","6","7","1","1") = "6"
    & skf21("2","3","6","6","6","7","2","1") = "6"
    & skf21("2","3","6","6","6","7","3","1") = "6"
    & skf21("2","3","6","6","6","7","4","1") = "6"
    & skf21("2","3","6","6","6","7","5","1") = "6"
    & skf21("2","3","6","6","6","7","6","1") = "6"
    & skf21("2","3","6","6","6","7","7","1") = "6"
    & skf21("2","3","6","6","7","1","1","1") = "6"
    & skf21("2","3","6","6","7","1","2","1") = "6"
    & skf21("2","3","6","6","7","1","3","1") = "6"
    & skf21("2","3","6","6","7","1","4","1") = "6"
    & skf21("2","3","6","6","7","1","5","1") = "6"
    & skf21("2","3","6","6","7","1","6","1") = "6"
    & skf21("2","3","6","6","7","1","7","1") = "6"
    & skf21("2","3","6","6","7","2","1","1") = "6"
    & skf21("2","3","6","6","7","2","2","1") = "6"
    & skf21("2","3","6","6","7","2","3","1") = "6"
    & skf21("2","3","6","6","7","2","4","1") = "6"
    & skf21("2","3","6","6","7","2","5","1") = "6"
    & skf21("2","3","6","6","7","2","6","1") = "6"
    & skf21("2","3","6","6","7","2","7","1") = "6"
    & skf21("2","3","6","6","7","3","1","1") = "6"
    & skf21("2","3","6","6","7","3","2","1") = "6"
    & skf21("2","3","6","6","7","3","3","1") = "6"
    & skf21("2","3","6","6","7","3","4","1") = "6"
    & skf21("2","3","6","6","7","3","5","1") = "6"
    & skf21("2","3","6","6","7","3","6","1") = "6"
    & skf21("2","3","6","6","7","3","7","1") = "6"
    & skf21("2","3","6","6","7","4","1","1") = "6"
    & skf21("2","3","6","6","7","4","2","1") = "6"
    & skf21("2","3","6","6","7","4","3","1") = "6"
    & skf21("2","3","6","6","7","4","4","1") = "6"
    & skf21("2","3","6","6","7","4","5","1") = "6"
    & skf21("2","3","6","6","7","4","6","1") = "6"
    & skf21("2","3","6","6","7","4","7","1") = "6"
    & skf21("2","3","6","6","7","5","1","1") = "6"
    & skf21("2","3","6","6","7","5","2","1") = "6"
    & skf21("2","3","6","6","7","5","3","1") = "6"
    & skf21("2","3","6","6","7","5","4","1") = "6"
    & skf21("2","3","6","6","7","5","5","1") = "6"
    & skf21("2","3","6","6","7","5","6","1") = "6"
    & skf21("2","3","6","6","7","5","7","1") = "6"
    & skf21("2","3","6","6","7","6","1","1") = "6"
    & skf21("2","3","6","6","7","6","2","1") = "6"
    & skf21("2","3","6","6","7","6","3","1") = "6"
    & skf21("2","3","6","6","7","6","4","1") = "6"
    & skf21("2","3","6","6","7","6","5","1") = "6"
    & skf21("2","3","6","6","7","6","6","1") = "6"
    & skf21("2","3","6","6","7","6","7","1") = "6"
    & skf21("2","3","6","6","7","7","1","1") = "6"
    & skf21("2","3","6","6","7","7","2","1") = "6"
    & skf21("2","3","6","6","7","7","3","1") = "6"
    & skf21("2","3","6","6","7","7","4","1") = "6"
    & skf21("2","3","6","6","7","7","5","1") = "6"
    & skf21("2","3","6","6","7","7","6","1") = "6"
    & skf21("2","3","6","6","7","7","7","1") = "6"
    & skf21("2","3","6","7","1","1","1","1") = "6"
    & skf21("2","3","6","7","1","1","2","1") = "6"
    & skf21("2","3","6","7","1","1","3","1") = "6"
    & skf21("2","3","6","7","1","1","4","1") = "6"
    & skf21("2","3","6","7","1","1","5","1") = "6"
    & skf21("2","3","6","7","1","1","6","1") = "6"
    & skf21("2","3","6","7","1","1","7","1") = "6"
    & skf21("2","3","6","7","1","2","1","1") = "6"
    & skf21("2","3","6","7","1","2","2","1") = "6"
    & skf21("2","3","6","7","1","2","3","1") = "6"
    & skf21("2","3","6","7","1","2","4","1") = "6"
    & skf21("2","3","6","7","1","2","5","1") = "6"
    & skf21("2","3","6","7","1","2","6","1") = "6"
    & skf21("2","3","6","7","1","2","7","1") = "6"
    & skf21("2","3","6","7","1","3","1","1") = "6"
    & skf21("2","3","6","7","1","3","2","1") = "6"
    & skf21("2","3","6","7","1","3","3","1") = "6"
    & skf21("2","3","6","7","1","3","4","1") = "6"
    & skf21("2","3","6","7","1","3","5","1") = "6"
    & skf21("2","3","6","7","1","3","6","1") = "6"
    & skf21("2","3","6","7","1","3","7","1") = "6"
    & skf21("2","3","6","7","1","4","1","1") = "6"
    & skf21("2","3","6","7","1","4","2","1") = "6"
    & skf21("2","3","6","7","1","4","3","1") = "6"
    & skf21("2","3","6","7","1","4","4","1") = "6"
    & skf21("2","3","6","7","1","4","5","1") = "6"
    & skf21("2","3","6","7","1","4","6","1") = "6"
    & skf21("2","3","6","7","1","4","7","1") = "6"
    & skf21("2","3","6","7","1","5","1","1") = "6"
    & skf21("2","3","6","7","1","5","2","1") = "6"
    & skf21("2","3","6","7","1","5","3","1") = "6"
    & skf21("2","3","6","7","1","5","4","1") = "6"
    & skf21("2","3","6","7","1","5","5","1") = "6"
    & skf21("2","3","6","7","1","5","6","1") = "6"
    & skf21("2","3","6","7","1","5","7","1") = "6"
    & skf21("2","3","6","7","1","6","1","1") = "6"
    & skf21("2","3","6","7","1","6","2","1") = "6"
    & skf21("2","3","6","7","1","6","3","1") = "6"
    & skf21("2","3","6","7","1","6","4","1") = "6"
    & skf21("2","3","6","7","1","6","5","1") = "6"
    & skf21("2","3","6","7","1","6","6","1") = "6"
    & skf21("2","3","6","7","1","6","7","1") = "6"
    & skf21("2","3","6","7","1","7","1","1") = "6"
    & skf21("2","3","6","7","1","7","2","1") = "6"
    & skf21("2","3","6","7","1","7","3","1") = "6"
    & skf21("2","3","6","7","1","7","4","1") = "6"
    & skf21("2","3","6","7","1","7","5","1") = "6"
    & skf21("2","3","6","7","1","7","6","1") = "6"
    & skf21("2","3","6","7","1","7","7","1") = "6"
    & skf21("2","3","6","7","2","1","1","1") = "6"
    & skf21("2","3","6","7","2","1","2","1") = "6"
    & skf21("2","3","6","7","2","1","3","1") = "6"
    & skf21("2","3","6","7","2","1","4","1") = "6"
    & skf21("2","3","6","7","2","1","5","1") = "6"
    & skf21("2","3","6","7","2","1","6","1") = "6"
    & skf21("2","3","6","7","2","1","7","1") = "6"
    & skf21("2","3","6","7","2","2","1","1") = "6"
    & skf21("2","3","6","7","2","2","2","1") = "6"
    & skf21("2","3","6","7","2","2","3","1") = "6"
    & skf21("2","3","6","7","2","2","4","1") = "6"
    & skf21("2","3","6","7","2","2","5","1") = "6"
    & skf21("2","3","6","7","2","2","6","1") = "6"
    & skf21("2","3","6","7","2","2","7","1") = "6"
    & skf21("2","3","6","7","2","3","1","1") = "6"
    & skf21("2","3","6","7","2","3","2","1") = "6"
    & skf21("2","3","6","7","2","3","3","1") = "6"
    & skf21("2","3","6","7","2","3","4","1") = "6"
    & skf21("2","3","6","7","2","3","5","1") = "6"
    & skf21("2","3","6","7","2","3","6","1") = "6"
    & skf21("2","3","6","7","2","3","7","1") = "6"
    & skf21("2","3","6","7","2","4","1","1") = "6"
    & skf21("2","3","6","7","2","4","2","1") = "6"
    & skf21("2","3","6","7","2","4","3","1") = "6"
    & skf21("2","3","6","7","2","4","4","1") = "6"
    & skf21("2","3","6","7","2","4","5","1") = "6"
    & skf21("2","3","6","7","2","4","6","1") = "6"
    & skf21("2","3","6","7","2","4","7","1") = "6"
    & skf21("2","3","6","7","2","5","1","1") = "6"
    & skf21("2","3","6","7","2","5","2","1") = "6"
    & skf21("2","3","6","7","2","5","3","1") = "6"
    & skf21("2","3","6","7","2","5","4","1") = "6"
    & skf21("2","3","6","7","2","5","5","1") = "6"
    & skf21("2","3","6","7","2","5","6","1") = "6"
    & skf21("2","3","6","7","2","5","7","1") = "6"
    & skf21("2","3","6","7","2","6","1","1") = "6"
    & skf21("2","3","6","7","2","6","2","1") = "6"
    & skf21("2","3","6","7","2","6","3","1") = "6"
    & skf21("2","3","6","7","2","6","4","1") = "6"
    & skf21("2","3","6","7","2","6","5","1") = "6"
    & skf21("2","3","6","7","2","6","6","1") = "6"
    & skf21("2","3","6","7","2","6","7","1") = "6"
    & skf21("2","3","6","7","2","7","1","1") = "6"
    & skf21("2","3","6","7","2","7","2","1") = "6"
    & skf21("2","3","6","7","2","7","3","1") = "6"
    & skf21("2","3","6","7","2","7","4","1") = "6"
    & skf21("2","3","6","7","2","7","5","1") = "6"
    & skf21("2","3","6","7","2","7","6","1") = "6"
    & skf21("2","3","6","7","2","7","7","1") = "6"
    & skf21("2","3","6","7","3","1","1","1") = "6"
    & skf21("2","3","6","7","3","1","2","1") = "6"
    & skf21("2","3","6","7","3","1","3","1") = "6"
    & skf21("2","3","6","7","3","1","4","1") = "6"
    & skf21("2","3","6","7","3","1","5","1") = "6"
    & skf21("2","3","6","7","3","1","6","1") = "6"
    & skf21("2","3","6","7","3","1","7","1") = "6"
    & skf21("2","3","6","7","3","2","1","1") = "6"
    & skf21("2","3","6","7","3","2","2","1") = "6"
    & skf21("2","3","6","7","3","2","3","1") = "6"
    & skf21("2","3","6","7","3","2","4","1") = "6"
    & skf21("2","3","6","7","3","2","5","1") = "6"
    & skf21("2","3","6","7","3","2","6","1") = "6"
    & skf21("2","3","6","7","3","2","7","1") = "6"
    & skf21("2","3","6","7","3","3","1","1") = "6"
    & skf21("2","3","6","7","3","3","2","1") = "6"
    & skf21("2","3","6","7","3","3","3","1") = "6"
    & skf21("2","3","6","7","3","3","4","1") = "6"
    & skf21("2","3","6","7","3","3","5","1") = "6"
    & skf21("2","3","6","7","3","3","6","1") = "6"
    & skf21("2","3","6","7","3","3","7","1") = "6"
    & skf21("2","3","6","7","3","4","1","1") = "6"
    & skf21("2","3","6","7","3","4","2","1") = "6"
    & skf21("2","3","6","7","3","4","3","1") = "6"
    & skf21("2","3","6","7","3","4","4","1") = "6"
    & skf21("2","3","6","7","3","4","5","1") = "6"
    & skf21("2","3","6","7","3","4","6","1") = "6"
    & skf21("2","3","6","7","3","4","7","1") = "6"
    & skf21("2","3","6","7","3","5","1","1") = "6"
    & skf21("2","3","6","7","3","5","2","1") = "6"
    & skf21("2","3","6","7","3","5","3","1") = "6"
    & skf21("2","3","6","7","3","5","4","1") = "6"
    & skf21("2","3","6","7","3","5","5","1") = "6"
    & skf21("2","3","6","7","3","5","6","1") = "6"
    & skf21("2","3","6","7","3","5","7","1") = "6"
    & skf21("2","3","6","7","3","6","1","1") = "6"
    & skf21("2","3","6","7","3","6","2","1") = "6"
    & skf21("2","3","6","7","3","6","3","1") = "6"
    & skf21("2","3","6","7","3","6","4","1") = "6"
    & skf21("2","3","6","7","3","6","5","1") = "6"
    & skf21("2","3","6","7","3","6","6","1") = "6"
    & skf21("2","3","6","7","3","6","7","1") = "6"
    & skf21("2","3","6","7","3","7","1","1") = "6"
    & skf21("2","3","6","7","3","7","2","1") = "6"
    & skf21("2","3","6","7","3","7","3","1") = "6"
    & skf21("2","3","6","7","3","7","4","1") = "6"
    & skf21("2","3","6","7","3","7","5","1") = "6"
    & skf21("2","3","6","7","3","7","6","1") = "6"
    & skf21("2","3","6","7","3","7","7","1") = "6"
    & skf21("2","3","6","7","4","1","1","1") = "6"
    & skf21("2","3","6","7","4","1","2","1") = "6"
    & skf21("2","3","6","7","4","1","3","1") = "6"
    & skf21("2","3","6","7","4","1","4","1") = "6"
    & skf21("2","3","6","7","4","1","5","1") = "6"
    & skf21("2","3","6","7","4","1","6","1") = "6"
    & skf21("2","3","6","7","4","1","7","1") = "6"
    & skf21("2","3","6","7","4","2","1","1") = "6"
    & skf21("2","3","6","7","4","2","2","1") = "6"
    & skf21("2","3","6","7","4","2","3","1") = "6"
    & skf21("2","3","6","7","4","2","4","1") = "6"
    & skf21("2","3","6","7","4","2","5","1") = "6"
    & skf21("2","3","6","7","4","2","6","1") = "6"
    & skf21("2","3","6","7","4","2","7","1") = "6"
    & skf21("2","3","6","7","4","3","1","1") = "6"
    & skf21("2","3","6","7","4","3","2","1") = "6"
    & skf21("2","3","6","7","4","3","3","1") = "6"
    & skf21("2","3","6","7","4","3","4","1") = "6"
    & skf21("2","3","6","7","4","3","5","1") = "6"
    & skf21("2","3","6","7","4","3","6","1") = "6"
    & skf21("2","3","6","7","4","3","7","1") = "6"
    & skf21("2","3","6","7","4","4","1","1") = "6"
    & skf21("2","3","6","7","4","4","2","1") = "6"
    & skf21("2","3","6","7","4","4","3","1") = "6"
    & skf21("2","3","6","7","4","4","4","1") = "6"
    & skf21("2","3","6","7","4","4","5","1") = "6"
    & skf21("2","3","6","7","4","4","6","1") = "6"
    & skf21("2","3","6","7","4","4","7","1") = "6"
    & skf21("2","3","6","7","4","5","1","1") = "6"
    & skf21("2","3","6","7","4","5","2","1") = "6"
    & skf21("2","3","6","7","4","5","3","1") = "6"
    & skf21("2","3","6","7","4","5","4","1") = "6"
    & skf21("2","3","6","7","4","5","5","1") = "6"
    & skf21("2","3","6","7","4","5","6","1") = "6"
    & skf21("2","3","6","7","4","5","7","1") = "6"
    & skf21("2","3","6","7","4","6","1","1") = "6"
    & skf21("2","3","6","7","4","6","2","1") = "6"
    & skf21("2","3","6","7","4","6","3","1") = "6"
    & skf21("2","3","6","7","4","6","4","1") = "6"
    & skf21("2","3","6","7","4","6","5","1") = "6"
    & skf21("2","3","6","7","4","6","6","1") = "6"
    & skf21("2","3","6","7","4","6","7","1") = "6"
    & skf21("2","3","6","7","4","7","1","1") = "6"
    & skf21("2","3","6","7","4","7","2","1") = "6"
    & skf21("2","3","6","7","4","7","3","1") = "6"
    & skf21("2","3","6","7","4","7","4","1") = "6"
    & skf21("2","3","6","7","4","7","5","1") = "6"
    & skf21("2","3","6","7","4","7","6","1") = "6"
    & skf21("2","3","6","7","4","7","7","1") = "6"
    & skf21("2","3","6","7","5","1","1","1") = "6"
    & skf21("2","3","6","7","5","1","2","1") = "6"
    & skf21("2","3","6","7","5","1","3","1") = "6"
    & skf21("2","3","6","7","5","1","4","1") = "6"
    & skf21("2","3","6","7","5","1","5","1") = "6"
    & skf21("2","3","6","7","5","1","6","1") = "6"
    & skf21("2","3","6","7","5","1","7","1") = "6"
    & skf21("2","3","6","7","5","2","1","1") = "6"
    & skf21("2","3","6","7","5","2","2","1") = "6"
    & skf21("2","3","6","7","5","2","3","1") = "6"
    & skf21("2","3","6","7","5","2","4","1") = "6"
    & skf21("2","3","6","7","5","2","5","1") = "6"
    & skf21("2","3","6","7","5","2","6","1") = "6"
    & skf21("2","3","6","7","5","2","7","1") = "6"
    & skf21("2","3","6","7","5","3","1","1") = "6"
    & skf21("2","3","6","7","5","3","2","1") = "6"
    & skf21("2","3","6","7","5","3","3","1") = "6"
    & skf21("2","3","6","7","5","3","4","1") = "6"
    & skf21("2","3","6","7","5","3","5","1") = "6"
    & skf21("2","3","6","7","5","3","6","1") = "6"
    & skf21("2","3","6","7","5","3","7","1") = "6"
    & skf21("2","3","6","7","5","4","1","1") = "6"
    & skf21("2","3","6","7","5","4","2","1") = "6"
    & skf21("2","3","6","7","5","4","3","1") = "6"
    & skf21("2","3","6","7","5","4","4","1") = "6"
    & skf21("2","3","6","7","5","4","5","1") = "6"
    & skf21("2","3","6","7","5","4","6","1") = "6"
    & skf21("2","3","6","7","5","4","7","1") = "6"
    & skf21("2","3","6","7","5","5","1","1") = "6"
    & skf21("2","3","6","7","5","5","2","1") = "6"
    & skf21("2","3","6","7","5","5","3","1") = "6"
    & skf21("2","3","6","7","5","5","4","1") = "6"
    & skf21("2","3","6","7","5","5","5","1") = "6"
    & skf21("2","3","6","7","5","5","6","1") = "6"
    & skf21("2","3","6","7","5","5","7","1") = "6"
    & skf21("2","3","6","7","5","6","1","1") = "6"
    & skf21("2","3","6","7","5","6","2","1") = "6"
    & skf21("2","3","6","7","5","6","3","1") = "6"
    & skf21("2","3","6","7","5","6","4","1") = "6"
    & skf21("2","3","6","7","5","6","5","1") = "6"
    & skf21("2","3","6","7","5","6","6","1") = "6"
    & skf21("2","3","6","7","5","6","7","1") = "6"
    & skf21("2","3","6","7","5","7","1","1") = "6"
    & skf21("2","3","6","7","5","7","2","1") = "6"
    & skf21("2","3","6","7","5","7","3","1") = "6"
    & skf21("2","3","6","7","5","7","4","1") = "6"
    & skf21("2","3","6","7","5","7","5","1") = "6"
    & skf21("2","3","6","7","5","7","6","1") = "6"
    & skf21("2","3","6","7","5","7","7","1") = "6"
    & skf21("2","3","6","7","6","1","1","1") = "6"
    & skf21("2","3","6","7","6","1","2","1") = "6"
    & skf21("2","3","6","7","6","1","3","1") = "6"
    & skf21("2","3","6","7","6","1","4","1") = "6"
    & skf21("2","3","6","7","6","1","5","1") = "6"
    & skf21("2","3","6","7","6","1","6","1") = "6"
    & skf21("2","3","6","7","6","1","7","1") = "6"
    & skf21("2","3","6","7","6","2","1","1") = "6"
    & skf21("2","3","6","7","6","2","2","1") = "6"
    & skf21("2","3","6","7","6","2","3","1") = "6"
    & skf21("2","3","6","7","6","2","4","1") = "6"
    & skf21("2","3","6","7","6","2","5","1") = "6"
    & skf21("2","3","6","7","6","2","6","1") = "6"
    & skf21("2","3","6","7","6","2","7","1") = "6"
    & skf21("2","3","6","7","6","3","1","1") = "6"
    & skf21("2","3","6","7","6","3","2","1") = "6"
    & skf21("2","3","6","7","6","3","3","1") = "6"
    & skf21("2","3","6","7","6","3","4","1") = "6"
    & skf21("2","3","6","7","6","3","5","1") = "6"
    & skf21("2","3","6","7","6","3","6","1") = "6"
    & skf21("2","3","6","7","6","3","7","1") = "6"
    & skf21("2","3","6","7","6","4","1","1") = "6"
    & skf21("2","3","6","7","6","4","2","1") = "6"
    & skf21("2","3","6","7","6","4","3","1") = "6"
    & skf21("2","3","6","7","6","4","4","1") = "6"
    & skf21("2","3","6","7","6","4","5","1") = "6"
    & skf21("2","3","6","7","6","4","6","1") = "6"
    & skf21("2","3","6","7","6","4","7","1") = "6"
    & skf21("2","3","6","7","6","5","1","1") = "6"
    & skf21("2","3","6","7","6","5","2","1") = "6"
    & skf21("2","3","6","7","6","5","3","1") = "6"
    & skf21("2","3","6","7","6","5","4","1") = "6"
    & skf21("2","3","6","7","6","5","5","1") = "6"
    & skf21("2","3","6","7","6","5","6","1") = "6"
    & skf21("2","3","6","7","6","5","7","1") = "6"
    & skf21("2","3","6","7","6","6","1","1") = "6"
    & skf21("2","3","6","7","6","6","2","1") = "6"
    & skf21("2","3","6","7","6","6","3","1") = "6"
    & skf21("2","3","6","7","6","6","4","1") = "6"
    & skf21("2","3","6","7","6","6","5","1") = "6"
    & skf21("2","3","6","7","6","6","6","1") = "6"
    & skf21("2","3","6","7","6","6","7","1") = "6"
    & skf21("2","3","6","7","6","7","1","1") = "6"
    & skf21("2","3","6","7","6","7","2","1") = "6"
    & skf21("2","3","6","7","6","7","3","1") = "6"
    & skf21("2","3","6","7","6","7","4","1") = "6"
    & skf21("2","3","6","7","6","7","5","1") = "6"
    & skf21("2","3","6","7","6","7","6","1") = "6"
    & skf21("2","3","6","7","6","7","7","1") = "6"
    & skf21("2","3","6","7","7","1","1","1") = "6"
    & skf21("2","3","6","7","7","1","2","1") = "6"
    & skf21("2","3","6","7","7","1","3","1") = "6"
    & skf21("2","3","6","7","7","1","4","1") = "6"
    & skf21("2","3","6","7","7","1","5","1") = "6"
    & skf21("2","3","6","7","7","1","6","1") = "6"
    & skf21("2","3","6","7","7","1","7","1") = "6"
    & skf21("2","3","6","7","7","2","1","1") = "6"
    & skf21("2","3","6","7","7","2","2","1") = "6"
    & skf21("2","3","6","7","7","2","3","1") = "6"
    & skf21("2","3","6","7","7","2","4","1") = "6"
    & skf21("2","3","6","7","7","2","5","1") = "6"
    & skf21("2","3","6","7","7","2","6","1") = "6"
    & skf21("2","3","6","7","7","2","7","1") = "6"
    & skf21("2","3","6","7","7","3","1","1") = "6"
    & skf21("2","3","6","7","7","3","2","1") = "6"
    & skf21("2","3","6","7","7","3","3","1") = "6"
    & skf21("2","3","6","7","7","3","4","1") = "6"
    & skf21("2","3","6","7","7","3","5","1") = "6"
    & skf21("2","3","6","7","7","3","6","1") = "6"
    & skf21("2","3","6","7","7","3","7","1") = "6"
    & skf21("2","3","6","7","7","4","1","1") = "6"
    & skf21("2","3","6","7","7","4","2","1") = "6"
    & skf21("2","3","6","7","7","4","3","1") = "6"
    & skf21("2","3","6","7","7","4","4","1") = "6"
    & skf21("2","3","6","7","7","4","5","1") = "6"
    & skf21("2","3","6","7","7","4","6","1") = "6"
    & skf21("2","3","6","7","7","4","7","1") = "6"
    & skf21("2","3","6","7","7","5","1","1") = "6"
    & skf21("2","3","6","7","7","5","2","1") = "6"
    & skf21("2","3","6","7","7","5","3","1") = "6"
    & skf21("2","3","6","7","7","5","4","1") = "6"
    & skf21("2","3","6","7","7","5","5","1") = "6"
    & skf21("2","3","6","7","7","5","6","1") = "6"
    & skf21("2","3","6","7","7","5","7","1") = "6"
    & skf21("2","3","6","7","7","6","1","1") = "6"
    & skf21("2","3","6","7","7","6","2","1") = "6"
    & skf21("2","3","6","7","7","6","3","1") = "6"
    & skf21("2","3","6","7","7","6","4","1") = "6"
    & skf21("2","3","6","7","7","6","5","1") = "6"
    & skf21("2","3","6","7","7","6","6","1") = "6"
    & skf21("2","3","6","7","7","6","7","1") = "6"
    & skf21("2","3","6","7","7","7","1","1") = "6"
    & skf21("2","3","6","7","7","7","2","1") = "6"
    & skf21("2","3","6","7","7","7","3","1") = "6"
    & skf21("2","3","6","7","7","7","4","1") = "6"
    & skf21("2","3","6","7","7","7","5","1") = "6"
    & skf21("2","3","6","7","7","7","6","1") = "6"
    & skf21("2","3","6","7","7","7","7","1") = "6"
    & skf21("2","3","7","1","1","1","1","1") = "6"
    & skf21("2","3","7","1","1","1","2","1") = "6"
    & skf21("2","3","7","1","1","1","3","1") = "6"
    & skf21("2","3","7","1","1","1","4","1") = "6"
    & skf21("2","3","7","1","1","1","5","1") = "6"
    & skf21("2","3","7","1","1","1","6","1") = "6"
    & skf21("2","3","7","1","1","1","7","1") = "6"
    & skf21("2","3","7","1","1","2","1","1") = "6"
    & skf21("2","3","7","1","1","2","2","1") = "6"
    & skf21("2","3","7","1","1","2","3","1") = "6"
    & skf21("2","3","7","1","1","2","4","1") = "6"
    & skf21("2","3","7","1","1","2","5","1") = "6"
    & skf21("2","3","7","1","1","2","6","1") = "6"
    & skf21("2","3","7","1","1","2","7","1") = "6"
    & skf21("2","3","7","1","1","3","1","1") = "6"
    & skf21("2","3","7","1","1","3","2","1") = "6"
    & skf21("2","3","7","1","1","3","3","1") = "6"
    & skf21("2","3","7","1","1","3","4","1") = "6"
    & skf21("2","3","7","1","1","3","5","1") = "6"
    & skf21("2","3","7","1","1","3","6","1") = "6"
    & skf21("2","3","7","1","1","3","7","1") = "6"
    & skf21("2","3","7","1","1","4","1","1") = "6"
    & skf21("2","3","7","1","1","4","2","1") = "6"
    & skf21("2","3","7","1","1","4","3","1") = "6"
    & skf21("2","3","7","1","1","4","4","1") = "6"
    & skf21("2","3","7","1","1","4","5","1") = "6"
    & skf21("2","3","7","1","1","4","6","1") = "6"
    & skf21("2","3","7","1","1","4","7","1") = "6"
    & skf21("2","3","7","1","1","5","1","1") = "6"
    & skf21("2","3","7","1","1","5","2","1") = "6"
    & skf21("2","3","7","1","1","5","3","1") = "6"
    & skf21("2","3","7","1","1","5","4","1") = "6"
    & skf21("2","3","7","1","1","5","5","1") = "6"
    & skf21("2","3","7","1","1","5","6","1") = "6"
    & skf21("2","3","7","1","1","5","7","1") = "6"
    & skf21("2","3","7","1","1","6","1","1") = "6"
    & skf21("2","3","7","1","1","6","2","1") = "6"
    & skf21("2","3","7","1","1","6","3","1") = "6"
    & skf21("2","3","7","1","1","6","4","1") = "6"
    & skf21("2","3","7","1","1","6","5","1") = "6"
    & skf21("2","3","7","1","1","6","6","1") = "6"
    & skf21("2","3","7","1","1","6","7","1") = "6"
    & skf21("2","3","7","1","1","7","1","1") = "6"
    & skf21("2","3","7","1","1","7","2","1") = "6"
    & skf21("2","3","7","1","1","7","3","1") = "6"
    & skf21("2","3","7","1","1","7","4","1") = "6"
    & skf21("2","3","7","1","1","7","5","1") = "6"
    & skf21("2","3","7","1","1","7","6","1") = "6"
    & skf21("2","3","7","1","1","7","7","1") = "6"
    & skf21("2","3","7","1","2","1","1","1") = "6"
    & skf21("2","3","7","1","2","1","2","1") = "6"
    & skf21("2","3","7","1","2","1","3","1") = "6"
    & skf21("2","3","7","1","2","1","4","1") = "6"
    & skf21("2","3","7","1","2","1","5","1") = "6"
    & skf21("2","3","7","1","2","1","6","1") = "6"
    & skf21("2","3","7","1","2","1","7","1") = "6"
    & skf21("2","3","7","1","2","2","1","1") = "6"
    & skf21("2","3","7","1","2","2","2","1") = "6"
    & skf21("2","3","7","1","2","2","3","1") = "6"
    & skf21("2","3","7","1","2","2","4","1") = "6"
    & skf21("2","3","7","1","2","2","5","1") = "6"
    & skf21("2","3","7","1","2","2","6","1") = "6"
    & skf21("2","3","7","1","2","2","7","1") = "6"
    & skf21("2","3","7","1","2","3","1","1") = "6"
    & skf21("2","3","7","1","2","3","2","1") = "6"
    & skf21("2","3","7","1","2","3","3","1") = "6"
    & skf21("2","3","7","1","2","3","4","1") = "6"
    & skf21("2","3","7","1","2","3","5","1") = "6"
    & skf21("2","3","7","1","2","3","6","1") = "6"
    & skf21("2","3","7","1","2","3","7","1") = "6"
    & skf21("2","3","7","1","2","4","1","1") = "6"
    & skf21("2","3","7","1","2","4","2","1") = "6"
    & skf21("2","3","7","1","2","4","3","1") = "6"
    & skf21("2","3","7","1","2","4","4","1") = "6"
    & skf21("2","3","7","1","2","4","5","1") = "6"
    & skf21("2","3","7","1","2","4","6","1") = "6"
    & skf21("2","3","7","1","2","4","7","1") = "6"
    & skf21("2","3","7","1","2","5","1","1") = "6"
    & skf21("2","3","7","1","2","5","2","1") = "6"
    & skf21("2","3","7","1","2","5","3","1") = "6"
    & skf21("2","3","7","1","2","5","4","1") = "6"
    & skf21("2","3","7","1","2","5","5","1") = "6"
    & skf21("2","3","7","1","2","5","6","1") = "6"
    & skf21("2","3","7","1","2","5","7","1") = "6"
    & skf21("2","3","7","1","2","6","1","1") = "6"
    & skf21("2","3","7","1","2","6","2","1") = "6"
    & skf21("2","3","7","1","2","6","3","1") = "6"
    & skf21("2","3","7","1","2","6","4","1") = "6"
    & skf21("2","3","7","1","2","6","5","1") = "6"
    & skf21("2","3","7","1","2","6","6","1") = "6"
    & skf21("2","3","7","1","2","6","7","1") = "6"
    & skf21("2","3","7","1","2","7","1","1") = "6"
    & skf21("2","3","7","1","2","7","2","1") = "6"
    & skf21("2","3","7","1","2","7","3","1") = "6"
    & skf21("2","3","7","1","2","7","4","1") = "6"
    & skf21("2","3","7","1","2","7","5","1") = "6"
    & skf21("2","3","7","1","2","7","6","1") = "6"
    & skf21("2","3","7","1","2","7","7","1") = "6"
    & skf21("2","3","7","1","3","1","1","1") = "6"
    & skf21("2","3","7","1","3","1","2","1") = "6"
    & skf21("2","3","7","1","3","1","3","1") = "6"
    & skf21("2","3","7","1","3","1","4","1") = "6"
    & skf21("2","3","7","1","3","1","5","1") = "6"
    & skf21("2","3","7","1","3","1","6","1") = "6"
    & skf21("2","3","7","1","3","1","7","1") = "6"
    & skf21("2","3","7","1","3","2","1","1") = "6"
    & skf21("2","3","7","1","3","2","2","1") = "6"
    & skf21("2","3","7","1","3","2","3","1") = "6"
    & skf21("2","3","7","1","3","2","4","1") = "6"
    & skf21("2","3","7","1","3","2","5","1") = "6"
    & skf21("2","3","7","1","3","2","6","1") = "6"
    & skf21("2","3","7","1","3","2","7","1") = "6"
    & skf21("2","3","7","1","3","3","1","1") = "6"
    & skf21("2","3","7","1","3","3","2","1") = "6"
    & skf21("2","3","7","1","3","3","3","1") = "6"
    & skf21("2","3","7","1","3","3","4","1") = "6"
    & skf21("2","3","7","1","3","3","5","1") = "6"
    & skf21("2","3","7","1","3","3","6","1") = "6"
    & skf21("2","3","7","1","3","3","7","1") = "6"
    & skf21("2","3","7","1","3","4","1","1") = "6"
    & skf21("2","3","7","1","3","4","2","1") = "6"
    & skf21("2","3","7","1","3","4","3","1") = "6"
    & skf21("2","3","7","1","3","4","4","1") = "6"
    & skf21("2","3","7","1","3","4","5","1") = "6"
    & skf21("2","3","7","1","3","4","6","1") = "6"
    & skf21("2","3","7","1","3","4","7","1") = "6"
    & skf21("2","3","7","1","3","5","1","1") = "6"
    & skf21("2","3","7","1","3","5","2","1") = "6"
    & skf21("2","3","7","1","3","5","3","1") = "6"
    & skf21("2","3","7","1","3","5","4","1") = "6"
    & skf21("2","3","7","1","3","5","5","1") = "6"
    & skf21("2","3","7","1","3","5","6","1") = "6"
    & skf21("2","3","7","1","3","5","7","1") = "6"
    & skf21("2","3","7","1","3","6","1","1") = "6"
    & skf21("2","3","7","1","3","6","2","1") = "6"
    & skf21("2","3","7","1","3","6","3","1") = "6"
    & skf21("2","3","7","1","3","6","4","1") = "6"
    & skf21("2","3","7","1","3","6","5","1") = "6"
    & skf21("2","3","7","1","3","6","6","1") = "6"
    & skf21("2","3","7","1","3","6","7","1") = "6"
    & skf21("2","3","7","1","3","7","1","1") = "6"
    & skf21("2","3","7","1","3","7","2","1") = "6"
    & skf21("2","3","7","1","3","7","3","1") = "6"
    & skf21("2","3","7","1","3","7","4","1") = "6"
    & skf21("2","3","7","1","3","7","5","1") = "6"
    & skf21("2","3","7","1","3","7","6","1") = "6"
    & skf21("2","3","7","1","3","7","7","1") = "6"
    & skf21("2","3","7","1","4","1","1","1") = "6"
    & skf21("2","3","7","1","4","1","2","1") = "6"
    & skf21("2","3","7","1","4","1","3","1") = "6"
    & skf21("2","3","7","1","4","1","4","1") = "6"
    & skf21("2","3","7","1","4","1","5","1") = "6"
    & skf21("2","3","7","1","4","1","6","1") = "6"
    & skf21("2","3","7","1","4","1","7","1") = "6"
    & skf21("2","3","7","1","4","2","1","1") = "6"
    & skf21("2","3","7","1","4","2","2","1") = "6"
    & skf21("2","3","7","1","4","2","3","1") = "6"
    & skf21("2","3","7","1","4","2","4","1") = "6"
    & skf21("2","3","7","1","4","2","5","1") = "6"
    & skf21("2","3","7","1","4","2","6","1") = "6"
    & skf21("2","3","7","1","4","2","7","1") = "6"
    & skf21("2","3","7","1","4","3","1","1") = "6"
    & skf21("2","3","7","1","4","3","2","1") = "6"
    & skf21("2","3","7","1","4","3","3","1") = "6"
    & skf21("2","3","7","1","4","3","4","1") = "6"
    & skf21("2","3","7","1","4","3","5","1") = "6"
    & skf21("2","3","7","1","4","3","6","1") = "6"
    & skf21("2","3","7","1","4","3","7","1") = "6"
    & skf21("2","3","7","1","4","4","1","1") = "6"
    & skf21("2","3","7","1","4","4","2","1") = "6"
    & skf21("2","3","7","1","4","4","3","1") = "6"
    & skf21("2","3","7","1","4","4","4","1") = "6"
    & skf21("2","3","7","1","4","4","5","1") = "6"
    & skf21("2","3","7","1","4","4","6","1") = "6"
    & skf21("2","3","7","1","4","4","7","1") = "6"
    & skf21("2","3","7","1","4","5","1","1") = "6"
    & skf21("2","3","7","1","4","5","2","1") = "6"
    & skf21("2","3","7","1","4","5","3","1") = "6"
    & skf21("2","3","7","1","4","5","4","1") = "6"
    & skf21("2","3","7","1","4","5","5","1") = "6"
    & skf21("2","3","7","1","4","5","6","1") = "6"
    & skf21("2","3","7","1","4","5","7","1") = "6"
    & skf21("2","3","7","1","4","6","1","1") = "6"
    & skf21("2","3","7","1","4","6","2","1") = "6"
    & skf21("2","3","7","1","4","6","3","1") = "6"
    & skf21("2","3","7","1","4","6","4","1") = "6"
    & skf21("2","3","7","1","4","6","5","1") = "6"
    & skf21("2","3","7","1","4","6","6","1") = "6"
    & skf21("2","3","7","1","4","6","7","1") = "6"
    & skf21("2","3","7","1","4","7","1","1") = "6"
    & skf21("2","3","7","1","4","7","2","1") = "6"
    & skf21("2","3","7","1","4","7","3","1") = "6"
    & skf21("2","3","7","1","4","7","4","1") = "6"
    & skf21("2","3","7","1","4","7","5","1") = "6"
    & skf21("2","3","7","1","4","7","6","1") = "6"
    & skf21("2","3","7","1","4","7","7","1") = "6"
    & skf21("2","3","7","1","5","1","1","1") = "6"
    & skf21("2","3","7","1","5","1","2","1") = "6"
    & skf21("2","3","7","1","5","1","3","1") = "6"
    & skf21("2","3","7","1","5","1","4","1") = "6"
    & skf21("2","3","7","1","5","1","5","1") = "6"
    & skf21("2","3","7","1","5","1","6","1") = "6"
    & skf21("2","3","7","1","5","1","7","1") = "6"
    & skf21("2","3","7","1","5","2","1","1") = "6"
    & skf21("2","3","7","1","5","2","2","1") = "6"
    & skf21("2","3","7","1","5","2","3","1") = "6"
    & skf21("2","3","7","1","5","2","4","1") = "6"
    & skf21("2","3","7","1","5","2","5","1") = "6"
    & skf21("2","3","7","1","5","2","6","1") = "6"
    & skf21("2","3","7","1","5","2","7","1") = "6"
    & skf21("2","3","7","1","5","3","1","1") = "6"
    & skf21("2","3","7","1","5","3","2","1") = "6"
    & skf21("2","3","7","1","5","3","3","1") = "6"
    & skf21("2","3","7","1","5","3","4","1") = "6"
    & skf21("2","3","7","1","5","3","5","1") = "6"
    & skf21("2","3","7","1","5","3","6","1") = "6"
    & skf21("2","3","7","1","5","3","7","1") = "6"
    & skf21("2","3","7","1","5","4","1","1") = "6"
    & skf21("2","3","7","1","5","4","2","1") = "6"
    & skf21("2","3","7","1","5","4","3","1") = "6"
    & skf21("2","3","7","1","5","4","4","1") = "6"
    & skf21("2","3","7","1","5","4","5","1") = "6"
    & skf21("2","3","7","1","5","4","6","1") = "6"
    & skf21("2","3","7","1","5","4","7","1") = "6"
    & skf21("2","3","7","1","5","5","1","1") = "6"
    & skf21("2","3","7","1","5","5","2","1") = "6"
    & skf21("2","3","7","1","5","5","3","1") = "6"
    & skf21("2","3","7","1","5","5","4","1") = "6"
    & skf21("2","3","7","1","5","5","5","1") = "6"
    & skf21("2","3","7","1","5","5","6","1") = "6"
    & skf21("2","3","7","1","5","5","7","1") = "6"
    & skf21("2","3","7","1","5","6","1","1") = "6"
    & skf21("2","3","7","1","5","6","2","1") = "6"
    & skf21("2","3","7","1","5","6","3","1") = "6"
    & skf21("2","3","7","1","5","6","4","1") = "6"
    & skf21("2","3","7","1","5","6","5","1") = "6"
    & skf21("2","3","7","1","5","6","6","1") = "6"
    & skf21("2","3","7","1","5","6","7","1") = "6"
    & skf21("2","3","7","1","5","7","1","1") = "6"
    & skf21("2","3","7","1","5","7","2","1") = "6"
    & skf21("2","3","7","1","5","7","3","1") = "6"
    & skf21("2","3","7","1","5","7","4","1") = "6"
    & skf21("2","3","7","1","5","7","5","1") = "6"
    & skf21("2","3","7","1","5","7","6","1") = "6"
    & skf21("2","3","7","1","5","7","7","1") = "6"
    & skf21("2","3","7","1","6","1","1","1") = "6"
    & skf21("2","3","7","1","6","1","2","1") = "6"
    & skf21("2","3","7","1","6","1","3","1") = "6"
    & skf21("2","3","7","1","6","1","4","1") = "6"
    & skf21("2","3","7","1","6","1","5","1") = "6"
    & skf21("2","3","7","1","6","1","6","1") = "6"
    & skf21("2","3","7","1","6","1","7","1") = "6"
    & skf21("2","3","7","1","6","2","1","1") = "6"
    & skf21("2","3","7","1","6","2","2","1") = "6"
    & skf21("2","3","7","1","6","2","3","1") = "6"
    & skf21("2","3","7","1","6","2","4","1") = "6"
    & skf21("2","3","7","1","6","2","5","1") = "6"
    & skf21("2","3","7","1","6","2","6","1") = "6"
    & skf21("2","3","7","1","6","2","7","1") = "6"
    & skf21("2","3","7","1","6","3","1","1") = "6"
    & skf21("2","3","7","1","6","3","2","1") = "6"
    & skf21("2","3","7","1","6","3","3","1") = "6"
    & skf21("2","3","7","1","6","3","4","1") = "6"
    & skf21("2","3","7","1","6","3","5","1") = "6"
    & skf21("2","3","7","1","6","3","6","1") = "6"
    & skf21("2","3","7","1","6","3","7","1") = "6"
    & skf21("2","3","7","1","6","4","1","1") = "6"
    & skf21("2","3","7","1","6","4","2","1") = "6"
    & skf21("2","3","7","1","6","4","3","1") = "6"
    & skf21("2","3","7","1","6","4","4","1") = "6"
    & skf21("2","3","7","1","6","4","5","1") = "6"
    & skf21("2","3","7","1","6","4","6","1") = "6"
    & skf21("2","3","7","1","6","4","7","1") = "6"
    & skf21("2","3","7","1","6","5","1","1") = "6"
    & skf21("2","3","7","1","6","5","2","1") = "6"
    & skf21("2","3","7","1","6","5","3","1") = "6"
    & skf21("2","3","7","1","6","5","4","1") = "6"
    & skf21("2","3","7","1","6","5","5","1") = "6"
    & skf21("2","3","7","1","6","5","6","1") = "6"
    & skf21("2","3","7","1","6","5","7","1") = "6"
    & skf21("2","3","7","1","6","6","1","1") = "6"
    & skf21("2","3","7","1","6","6","2","1") = "6"
    & skf21("2","3","7","1","6","6","3","1") = "6"
    & skf21("2","3","7","1","6","6","4","1") = "6"
    & skf21("2","3","7","1","6","6","5","1") = "6"
    & skf21("2","3","7","1","6","6","6","1") = "6"
    & skf21("2","3","7","1","6","6","7","1") = "6"
    & skf21("2","3","7","1","6","7","1","1") = "6"
    & skf21("2","3","7","1","6","7","2","1") = "6"
    & skf21("2","3","7","1","6","7","3","1") = "6"
    & skf21("2","3","7","1","6","7","4","1") = "6"
    & skf21("2","3","7","1","6","7","5","1") = "6"
    & skf21("2","3","7","1","6","7","6","1") = "6"
    & skf21("2","3","7","1","6","7","7","1") = "6"
    & skf21("2","3","7","1","7","1","1","1") = "6"
    & skf21("2","3","7","1","7","1","2","1") = "6"
    & skf21("2","3","7","1","7","1","3","1") = "6"
    & skf21("2","3","7","1","7","1","4","1") = "6"
    & skf21("2","3","7","1","7","1","5","1") = "6"
    & skf21("2","3","7","1","7","1","6","1") = "6"
    & skf21("2","3","7","1","7","1","7","1") = "6"
    & skf21("2","3","7","1","7","2","1","1") = "6"
    & skf21("2","3","7","1","7","2","2","1") = "6"
    & skf21("2","3","7","1","7","2","3","1") = "6"
    & skf21("2","3","7","1","7","2","4","1") = "6"
    & skf21("2","3","7","1","7","2","5","1") = "6"
    & skf21("2","3","7","1","7","2","6","1") = "6"
    & skf21("2","3","7","1","7","2","7","1") = "6"
    & skf21("2","3","7","1","7","3","1","1") = "6"
    & skf21("2","3","7","1","7","3","2","1") = "6"
    & skf21("2","3","7","1","7","3","3","1") = "6"
    & skf21("2","3","7","1","7","3","4","1") = "6"
    & skf21("2","3","7","1","7","3","5","1") = "6"
    & skf21("2","3","7","1","7","3","6","1") = "6"
    & skf21("2","3","7","1","7","3","7","1") = "6"
    & skf21("2","3","7","1","7","4","1","1") = "6"
    & skf21("2","3","7","1","7","4","2","1") = "6"
    & skf21("2","3","7","1","7","4","3","1") = "6"
    & skf21("2","3","7","1","7","4","4","1") = "6"
    & skf21("2","3","7","1","7","4","5","1") = "6"
    & skf21("2","3","7","1","7","4","6","1") = "6"
    & skf21("2","3","7","1","7","4","7","1") = "6"
    & skf21("2","3","7","1","7","5","1","1") = "6"
    & skf21("2","3","7","1","7","5","2","1") = "6"
    & skf21("2","3","7","1","7","5","3","1") = "6"
    & skf21("2","3","7","1","7","5","4","1") = "6"
    & skf21("2","3","7","1","7","5","5","1") = "6"
    & skf21("2","3","7","1","7","5","6","1") = "6"
    & skf21("2","3","7","1","7","5","7","1") = "6"
    & skf21("2","3","7","1","7","6","1","1") = "6"
    & skf21("2","3","7","1","7","6","2","1") = "6"
    & skf21("2","3","7","1","7","6","3","1") = "6"
    & skf21("2","3","7","1","7","6","4","1") = "6"
    & skf21("2","3","7","1","7","6","5","1") = "6"
    & skf21("2","3","7","1","7","6","6","1") = "6"
    & skf21("2","3","7","1","7","6","7","1") = "6"
    & skf21("2","3","7","1","7","7","1","1") = "6"
    & skf21("2","3","7","1","7","7","2","1") = "6"
    & skf21("2","3","7","1","7","7","3","1") = "6"
    & skf21("2","3","7","1","7","7","4","1") = "6"
    & skf21("2","3","7","1","7","7","5","1") = "6"
    & skf21("2","3","7","1","7","7","6","1") = "6"
    & skf21("2","3","7","1","7","7","7","1") = "6"
    & skf21("2","3","7","2","1","1","1","1") = "6"
    & skf21("2","3","7","2","1","1","2","1") = "6"
    & skf21("2","3","7","2","1","1","3","1") = "6"
    & skf21("2","3","7","2","1","1","4","1") = "6"
    & skf21("2","3","7","2","1","1","5","1") = "6"
    & skf21("2","3","7","2","1","1","6","1") = "6"
    & skf21("2","3","7","2","1","1","7","1") = "6"
    & skf21("2","3","7","2","1","2","1","1") = "6"
    & skf21("2","3","7","2","1","2","2","1") = "6"
    & skf21("2","3","7","2","1","2","3","1") = "6"
    & skf21("2","3","7","2","1","2","4","1") = "6"
    & skf21("2","3","7","2","1","2","5","1") = "6"
    & skf21("2","3","7","2","1","2","6","1") = "6"
    & skf21("2","3","7","2","1","2","7","1") = "6"
    & skf21("2","3","7","2","1","3","1","1") = "6"
    & skf21("2","3","7","2","1","3","2","1") = "6"
    & skf21("2","3","7","2","1","3","3","1") = "6"
    & skf21("2","3","7","2","1","3","4","1") = "6"
    & skf21("2","3","7","2","1","3","5","1") = "6"
    & skf21("2","3","7","2","1","3","6","1") = "6"
    & skf21("2","3","7","2","1","3","7","1") = "6"
    & skf21("2","3","7","2","1","4","1","1") = "6"
    & skf21("2","3","7","2","1","4","2","1") = "6"
    & skf21("2","3","7","2","1","4","3","1") = "6"
    & skf21("2","3","7","2","1","4","4","1") = "6"
    & skf21("2","3","7","2","1","4","5","1") = "6"
    & skf21("2","3","7","2","1","4","6","1") = "6"
    & skf21("2","3","7","2","1","4","7","1") = "6"
    & skf21("2","3","7","2","1","5","1","1") = "6"
    & skf21("2","3","7","2","1","5","2","1") = "6"
    & skf21("2","3","7","2","1","5","3","1") = "6"
    & skf21("2","3","7","2","1","5","4","1") = "6"
    & skf21("2","3","7","2","1","5","5","1") = "6"
    & skf21("2","3","7","2","1","5","6","1") = "6"
    & skf21("2","3","7","2","1","5","7","1") = "6"
    & skf21("2","3","7","2","1","6","1","1") = "6"
    & skf21("2","3","7","2","1","6","2","1") = "6"
    & skf21("2","3","7","2","1","6","3","1") = "6"
    & skf21("2","3","7","2","1","6","4","1") = "6"
    & skf21("2","3","7","2","1","6","5","1") = "6"
    & skf21("2","3","7","2","1","6","6","1") = "6"
    & skf21("2","3","7","2","1","6","7","1") = "6"
    & skf21("2","3","7","2","1","7","1","1") = "6"
    & skf21("2","3","7","2","1","7","2","1") = "6"
    & skf21("2","3","7","2","1","7","3","1") = "6"
    & skf21("2","3","7","2","1","7","4","1") = "6"
    & skf21("2","3","7","2","1","7","5","1") = "6"
    & skf21("2","3","7","2","1","7","6","1") = "6"
    & skf21("2","3","7","2","1","7","7","1") = "6"
    & skf21("2","3","7","2","2","1","1","1") = "6"
    & skf21("2","3","7","2","2","1","2","1") = "6"
    & skf21("2","3","7","2","2","1","3","1") = "6"
    & skf21("2","3","7","2","2","1","4","1") = "6"
    & skf21("2","3","7","2","2","1","5","1") = "6"
    & skf21("2","3","7","2","2","1","6","1") = "6"
    & skf21("2","3","7","2","2","1","7","1") = "6"
    & skf21("2","3","7","2","2","2","1","1") = "6"
    & skf21("2","3","7","2","2","2","2","1") = "6"
    & skf21("2","3","7","2","2","2","3","1") = "6"
    & skf21("2","3","7","2","2","2","4","1") = "6"
    & skf21("2","3","7","2","2","2","5","1") = "6"
    & skf21("2","3","7","2","2","2","6","1") = "6"
    & skf21("2","3","7","2","2","2","7","1") = "6"
    & skf21("2","3","7","2","2","3","1","1") = "6"
    & skf21("2","3","7","2","2","3","2","1") = "6"
    & skf21("2","3","7","2","2","3","3","1") = "6"
    & skf21("2","3","7","2","2","3","4","1") = "6"
    & skf21("2","3","7","2","2","3","5","1") = "6"
    & skf21("2","3","7","2","2","3","6","1") = "6"
    & skf21("2","3","7","2","2","3","7","1") = "6"
    & skf21("2","3","7","2","2","4","1","1") = "6"
    & skf21("2","3","7","2","2","4","2","1") = "6"
    & skf21("2","3","7","2","2","4","3","1") = "6"
    & skf21("2","3","7","2","2","4","4","1") = "6"
    & skf21("2","3","7","2","2","4","5","1") = "6"
    & skf21("2","3","7","2","2","4","6","1") = "6"
    & skf21("2","3","7","2","2","4","7","1") = "6"
    & skf21("2","3","7","2","2","5","1","1") = "6"
    & skf21("2","3","7","2","2","5","2","1") = "6"
    & skf21("2","3","7","2","2","5","3","1") = "6"
    & skf21("2","3","7","2","2","5","4","1") = "6"
    & skf21("2","3","7","2","2","5","5","1") = "6"
    & skf21("2","3","7","2","2","5","6","1") = "6"
    & skf21("2","3","7","2","2","5","7","1") = "6"
    & skf21("2","3","7","2","2","6","1","1") = "6"
    & skf21("2","3","7","2","2","6","2","1") = "6"
    & skf21("2","3","7","2","2","6","3","1") = "6"
    & skf21("2","3","7","2","2","6","4","1") = "6"
    & skf21("2","3","7","2","2","6","5","1") = "6"
    & skf21("2","3","7","2","2","6","6","1") = "6"
    & skf21("2","3","7","2","2","6","7","1") = "6"
    & skf21("2","3","7","2","2","7","1","1") = "6"
    & skf21("2","3","7","2","2","7","2","1") = "6"
    & skf21("2","3","7","2","2","7","3","1") = "6"
    & skf21("2","3","7","2","2","7","4","1") = "6"
    & skf21("2","3","7","2","2","7","5","1") = "6"
    & skf21("2","3","7","2","2","7","6","1") = "6"
    & skf21("2","3","7","2","2","7","7","1") = "6"
    & skf21("2","3","7","2","3","1","1","1") = "6"
    & skf21("2","3","7","2","3","1","2","1") = "6"
    & skf21("2","3","7","2","3","1","3","1") = "6"
    & skf21("2","3","7","2","3","1","4","1") = "6"
    & skf21("2","3","7","2","3","1","5","1") = "6"
    & skf21("2","3","7","2","3","1","6","1") = "6"
    & skf21("2","3","7","2","3","1","7","1") = "6"
    & skf21("2","3","7","2","3","2","1","1") = "6"
    & skf21("2","3","7","2","3","2","2","1") = "6"
    & skf21("2","3","7","2","3","2","3","1") = "6"
    & skf21("2","3","7","2","3","2","4","1") = "6"
    & skf21("2","3","7","2","3","2","5","1") = "6"
    & skf21("2","3","7","2","3","2","6","1") = "6"
    & skf21("2","3","7","2","3","2","7","1") = "6"
    & skf21("2","3","7","2","3","3","1","1") = "6"
    & skf21("2","3","7","2","3","3","2","1") = "6"
    & skf21("2","3","7","2","3","3","3","1") = "6"
    & skf21("2","3","7","2","3","3","4","1") = "6"
    & skf21("2","3","7","2","3","3","5","1") = "6"
    & skf21("2","3","7","2","3","3","6","1") = "6"
    & skf21("2","3","7","2","3","3","7","1") = "6"
    & skf21("2","3","7","2","3","4","1","1") = "6"
    & skf21("2","3","7","2","3","4","2","1") = "6"
    & skf21("2","3","7","2","3","4","3","1") = "6"
    & skf21("2","3","7","2","3","4","4","1") = "6"
    & skf21("2","3","7","2","3","4","5","1") = "6"
    & skf21("2","3","7","2","3","4","6","1") = "6"
    & skf21("2","3","7","2","3","4","7","1") = "6"
    & skf21("2","3","7","2","3","5","1","1") = "6"
    & skf21("2","3","7","2","3","5","2","1") = "6"
    & skf21("2","3","7","2","3","5","3","1") = "6"
    & skf21("2","3","7","2","3","5","4","1") = "6"
    & skf21("2","3","7","2","3","5","5","1") = "6"
    & skf21("2","3","7","2","3","5","6","1") = "6"
    & skf21("2","3","7","2","3","5","7","1") = "6"
    & skf21("2","3","7","2","3","6","1","1") = "6"
    & skf21("2","3","7","2","3","6","2","1") = "6"
    & skf21("2","3","7","2","3","6","3","1") = "6"
    & skf21("2","3","7","2","3","6","4","1") = "6"
    & skf21("2","3","7","2","3","6","5","1") = "6"
    & skf21("2","3","7","2","3","6","6","1") = "6"
    & skf21("2","3","7","2","3","6","7","1") = "6"
    & skf21("2","3","7","2","3","7","1","1") = "6"
    & skf21("2","3","7","2","3","7","2","1") = "6"
    & skf21("2","3","7","2","3","7","3","1") = "6"
    & skf21("2","3","7","2","3","7","4","1") = "6"
    & skf21("2","3","7","2","3","7","5","1") = "6"
    & skf21("2","3","7","2","3","7","6","1") = "6"
    & skf21("2","3","7","2","3","7","7","1") = "6"
    & skf21("2","3","7","2","4","1","1","1") = "6"
    & skf21("2","3","7","2","4","1","2","1") = "6"
    & skf21("2","3","7","2","4","1","3","1") = "6"
    & skf21("2","3","7","2","4","1","4","1") = "6"
    & skf21("2","3","7","2","4","1","5","1") = "6"
    & skf21("2","3","7","2","4","1","6","1") = "6"
    & skf21("2","3","7","2","4","1","7","1") = "6"
    & skf21("2","3","7","2","4","2","1","1") = "6"
    & skf21("2","3","7","2","4","2","2","1") = "6"
    & skf21("2","3","7","2","4","2","3","1") = "6"
    & skf21("2","3","7","2","4","2","4","1") = "6"
    & skf21("2","3","7","2","4","2","5","1") = "6"
    & skf21("2","3","7","2","4","2","6","1") = "6"
    & skf21("2","3","7","2","4","2","7","1") = "6"
    & skf21("2","3","7","2","4","3","1","1") = "6"
    & skf21("2","3","7","2","4","3","2","1") = "6"
    & skf21("2","3","7","2","4","3","3","1") = "6"
    & skf21("2","3","7","2","4","3","4","1") = "6"
    & skf21("2","3","7","2","4","3","5","1") = "6"
    & skf21("2","3","7","2","4","3","6","1") = "6"
    & skf21("2","3","7","2","4","3","7","1") = "6"
    & skf21("2","3","7","2","4","4","1","1") = "6"
    & skf21("2","3","7","2","4","4","2","1") = "6"
    & skf21("2","3","7","2","4","4","3","1") = "6"
    & skf21("2","3","7","2","4","4","4","1") = "6"
    & skf21("2","3","7","2","4","4","5","1") = "6"
    & skf21("2","3","7","2","4","4","6","1") = "6"
    & skf21("2","3","7","2","4","4","7","1") = "6"
    & skf21("2","3","7","2","4","5","1","1") = "6"
    & skf21("2","3","7","2","4","5","2","1") = "6"
    & skf21("2","3","7","2","4","5","3","1") = "6"
    & skf21("2","3","7","2","4","5","4","1") = "6"
    & skf21("2","3","7","2","4","5","5","1") = "6"
    & skf21("2","3","7","2","4","5","6","1") = "6"
    & skf21("2","3","7","2","4","5","7","1") = "6"
    & skf21("2","3","7","2","4","6","1","1") = "6"
    & skf21("2","3","7","2","4","6","2","1") = "6"
    & skf21("2","3","7","2","4","6","3","1") = "6"
    & skf21("2","3","7","2","4","6","4","1") = "6"
    & skf21("2","3","7","2","4","6","5","1") = "6"
    & skf21("2","3","7","2","4","6","6","1") = "6"
    & skf21("2","3","7","2","4","6","7","1") = "6"
    & skf21("2","3","7","2","4","7","1","1") = "6"
    & skf21("2","3","7","2","4","7","2","1") = "6"
    & skf21("2","3","7","2","4","7","3","1") = "6"
    & skf21("2","3","7","2","4","7","4","1") = "6"
    & skf21("2","3","7","2","4","7","5","1") = "6"
    & skf21("2","3","7","2","4","7","6","1") = "6"
    & skf21("2","3","7","2","4","7","7","1") = "6"
    & skf21("2","3","7","2","5","1","1","1") = "6"
    & skf21("2","3","7","2","5","1","2","1") = "6"
    & skf21("2","3","7","2","5","1","3","1") = "6"
    & skf21("2","3","7","2","5","1","4","1") = "6"
    & skf21("2","3","7","2","5","1","5","1") = "6"
    & skf21("2","3","7","2","5","1","6","1") = "6"
    & skf21("2","3","7","2","5","1","7","1") = "6"
    & skf21("2","3","7","2","5","2","1","1") = "6"
    & skf21("2","3","7","2","5","2","2","1") = "6"
    & skf21("2","3","7","2","5","2","3","1") = "6"
    & skf21("2","3","7","2","5","2","4","1") = "6"
    & skf21("2","3","7","2","5","2","5","1") = "6"
    & skf21("2","3","7","2","5","2","6","1") = "6"
    & skf21("2","3","7","2","5","2","7","1") = "6"
    & skf21("2","3","7","2","5","3","1","1") = "6"
    & skf21("2","3","7","2","5","3","2","1") = "6"
    & skf21("2","3","7","2","5","3","3","1") = "6"
    & skf21("2","3","7","2","5","3","4","1") = "6"
    & skf21("2","3","7","2","5","3","5","1") = "6"
    & skf21("2","3","7","2","5","3","6","1") = "6"
    & skf21("2","3","7","2","5","3","7","1") = "6"
    & skf21("2","3","7","2","5","4","1","1") = "6"
    & skf21("2","3","7","2","5","4","2","1") = "6"
    & skf21("2","3","7","2","5","4","3","1") = "6"
    & skf21("2","3","7","2","5","4","4","1") = "6"
    & skf21("2","3","7","2","5","4","5","1") = "6"
    & skf21("2","3","7","2","5","4","6","1") = "6"
    & skf21("2","3","7","2","5","4","7","1") = "6"
    & skf21("2","3","7","2","5","5","1","1") = "6"
    & skf21("2","3","7","2","5","5","2","1") = "6"
    & skf21("2","3","7","2","5","5","3","1") = "6"
    & skf21("2","3","7","2","5","5","4","1") = "6"
    & skf21("2","3","7","2","5","5","5","1") = "6"
    & skf21("2","3","7","2","5","5","6","1") = "6"
    & skf21("2","3","7","2","5","5","7","1") = "6"
    & skf21("2","3","7","2","5","6","1","1") = "6"
    & skf21("2","3","7","2","5","6","2","1") = "6"
    & skf21("2","3","7","2","5","6","3","1") = "6"
    & skf21("2","3","7","2","5","6","4","1") = "6"
    & skf21("2","3","7","2","5","6","5","1") = "6"
    & skf21("2","3","7","2","5","6","6","1") = "6"
    & skf21("2","3","7","2","5","6","7","1") = "6"
    & skf21("2","3","7","2","5","7","1","1") = "6"
    & skf21("2","3","7","2","5","7","2","1") = "6"
    & skf21("2","3","7","2","5","7","3","1") = "6"
    & skf21("2","3","7","2","5","7","4","1") = "6"
    & skf21("2","3","7","2","5","7","5","1") = "6"
    & skf21("2","3","7","2","5","7","6","1") = "6"
    & skf21("2","3","7","2","5","7","7","1") = "6"
    & skf21("2","3","7","2","6","1","1","1") = "6"
    & skf21("2","3","7","2","6","1","2","1") = "6"
    & skf21("2","3","7","2","6","1","3","1") = "6"
    & skf21("2","3","7","2","6","1","4","1") = "6"
    & skf21("2","3","7","2","6","1","5","1") = "6"
    & skf21("2","3","7","2","6","1","6","1") = "6"
    & skf21("2","3","7","2","6","1","7","1") = "6"
    & skf21("2","3","7","2","6","2","1","1") = "6"
    & skf21("2","3","7","2","6","2","2","1") = "6"
    & skf21("2","3","7","2","6","2","3","1") = "6"
    & skf21("2","3","7","2","6","2","4","1") = "6"
    & skf21("2","3","7","2","6","2","5","1") = "6"
    & skf21("2","3","7","2","6","2","6","1") = "6"
    & skf21("2","3","7","2","6","2","7","1") = "6"
    & skf21("2","3","7","2","6","3","1","1") = "6"
    & skf21("2","3","7","2","6","3","2","1") = "6"
    & skf21("2","3","7","2","6","3","3","1") = "6"
    & skf21("2","3","7","2","6","3","4","1") = "6"
    & skf21("2","3","7","2","6","3","5","1") = "6"
    & skf21("2","3","7","2","6","3","6","1") = "6"
    & skf21("2","3","7","2","6","3","7","1") = "6"
    & skf21("2","3","7","2","6","4","1","1") = "6"
    & skf21("2","3","7","2","6","4","2","1") = "6"
    & skf21("2","3","7","2","6","4","3","1") = "6"
    & skf21("2","3","7","2","6","4","4","1") = "6"
    & skf21("2","3","7","2","6","4","5","1") = "6"
    & skf21("2","3","7","2","6","4","6","1") = "6"
    & skf21("2","3","7","2","6","4","7","1") = "6"
    & skf21("2","3","7","2","6","5","1","1") = "6"
    & skf21("2","3","7","2","6","5","2","1") = "6"
    & skf21("2","3","7","2","6","5","3","1") = "6"
    & skf21("2","3","7","2","6","5","4","1") = "6"
    & skf21("2","3","7","2","6","5","5","1") = "6"
    & skf21("2","3","7","2","6","5","6","1") = "6"
    & skf21("2","3","7","2","6","5","7","1") = "6"
    & skf21("2","3","7","2","6","6","1","1") = "6"
    & skf21("2","3","7","2","6","6","2","1") = "6"
    & skf21("2","3","7","2","6","6","3","1") = "6"
    & skf21("2","3","7","2","6","6","4","1") = "6"
    & skf21("2","3","7","2","6","6","5","1") = "6"
    & skf21("2","3","7","2","6","6","6","1") = "6"
    & skf21("2","3","7","2","6","6","7","1") = "6"
    & skf21("2","3","7","2","6","7","1","1") = "6"
    & skf21("2","3","7","2","6","7","2","1") = "6"
    & skf21("2","3","7","2","6","7","3","1") = "6"
    & skf21("2","3","7","2","6","7","4","1") = "6"
    & skf21("2","3","7","2","6","7","5","1") = "6"
    & skf21("2","3","7","2","6","7","6","1") = "6"
    & skf21("2","3","7","2","6","7","7","1") = "6"
    & skf21("2","3","7","2","7","1","1","1") = "6"
    & skf21("2","3","7","2","7","1","2","1") = "6"
    & skf21("2","3","7","2","7","1","3","1") = "6"
    & skf21("2","3","7","2","7","1","4","1") = "6"
    & skf21("2","3","7","2","7","1","5","1") = "6"
    & skf21("2","3","7","2","7","1","6","1") = "6"
    & skf21("2","3","7","2","7","1","7","1") = "6"
    & skf21("2","3","7","2","7","2","1","1") = "6"
    & skf21("2","3","7","2","7","2","2","1") = "6"
    & skf21("2","3","7","2","7","2","3","1") = "6"
    & skf21("2","3","7","2","7","2","4","1") = "6"
    & skf21("2","3","7","2","7","2","5","1") = "6"
    & skf21("2","3","7","2","7","2","6","1") = "6"
    & skf21("2","3","7","2","7","2","7","1") = "6"
    & skf21("2","3","7","2","7","3","1","1") = "6"
    & skf21("2","3","7","2","7","3","2","1") = "6"
    & skf21("2","3","7","2","7","3","3","1") = "6"
    & skf21("2","3","7","2","7","3","4","1") = "6"
    & skf21("2","3","7","2","7","3","5","1") = "6"
    & skf21("2","3","7","2","7","3","6","1") = "6"
    & skf21("2","3","7","2","7","3","7","1") = "6"
    & skf21("2","3","7","2","7","4","1","1") = "6"
    & skf21("2","3","7","2","7","4","2","1") = "6"
    & skf21("2","3","7","2","7","4","3","1") = "6"
    & skf21("2","3","7","2","7","4","4","1") = "6"
    & skf21("2","3","7","2","7","4","5","1") = "6"
    & skf21("2","3","7","2","7","4","6","1") = "6"
    & skf21("2","3","7","2","7","4","7","1") = "6"
    & skf21("2","3","7","2","7","5","1","1") = "6"
    & skf21("2","3","7","2","7","5","2","1") = "6"
    & skf21("2","3","7","2","7","5","3","1") = "6"
    & skf21("2","3","7","2","7","5","4","1") = "6"
    & skf21("2","3","7","2","7","5","5","1") = "6"
    & skf21("2","3","7","2","7","5","6","1") = "6"
    & skf21("2","3","7","2","7","5","7","1") = "6"
    & skf21("2","3","7","2","7","6","1","1") = "6"
    & skf21("2","3","7","2","7","6","2","1") = "6"
    & skf21("2","3","7","2","7","6","3","1") = "6"
    & skf21("2","3","7","2","7","6","4","1") = "6"
    & skf21("2","3","7","2","7","6","5","1") = "6"
    & skf21("2","3","7","2","7","6","6","1") = "6"
    & skf21("2","3","7","2","7","6","7","1") = "6"
    & skf21("2","3","7","2","7","7","1","1") = "6"
    & skf21("2","3","7","2","7","7","2","1") = "6"
    & skf21("2","3","7","2","7","7","3","1") = "6"
    & skf21("2","3","7","2","7","7","4","1") = "6"
    & skf21("2","3","7","2","7","7","5","1") = "6"
    & skf21("2","3","7","2","7","7","6","1") = "6"
    & skf21("2","3","7","2","7","7","7","1") = "6"
    & skf21("2","3","7","3","1","1","1","1") = "6"
    & skf21("2","3","7","3","1","1","2","1") = "6"
    & skf21("2","3","7","3","1","1","3","1") = "6"
    & skf21("2","3","7","3","1","1","4","1") = "6"
    & skf21("2","3","7","3","1","1","5","1") = "6"
    & skf21("2","3","7","3","1","1","6","1") = "6"
    & skf21("2","3","7","3","1","1","7","1") = "6"
    & skf21("2","3","7","3","1","2","1","1") = "6"
    & skf21("2","3","7","3","1","2","2","1") = "6"
    & skf21("2","3","7","3","1","2","3","1") = "6"
    & skf21("2","3","7","3","1","2","4","1") = "6"
    & skf21("2","3","7","3","1","2","5","1") = "6"
    & skf21("2","3","7","3","1","2","6","1") = "6"
    & skf21("2","3","7","3","1","2","7","1") = "6"
    & skf21("2","3","7","3","1","3","1","1") = "6"
    & skf21("2","3","7","3","1","3","2","1") = "6"
    & skf21("2","3","7","3","1","3","3","1") = "6"
    & skf21("2","3","7","3","1","3","4","1") = "6"
    & skf21("2","3","7","3","1","3","5","1") = "6"
    & skf21("2","3","7","3","1","3","6","1") = "6"
    & skf21("2","3","7","3","1","3","7","1") = "6"
    & skf21("2","3","7","3","1","4","1","1") = "6"
    & skf21("2","3","7","3","1","4","2","1") = "6"
    & skf21("2","3","7","3","1","4","3","1") = "6"
    & skf21("2","3","7","3","1","4","4","1") = "6"
    & skf21("2","3","7","3","1","4","5","1") = "6"
    & skf21("2","3","7","3","1","4","6","1") = "6"
    & skf21("2","3","7","3","1","4","7","1") = "6"
    & skf21("2","3","7","3","1","5","1","1") = "6"
    & skf21("2","3","7","3","1","5","2","1") = "6"
    & skf21("2","3","7","3","1","5","3","1") = "6"
    & skf21("2","3","7","3","1","5","4","1") = "6"
    & skf21("2","3","7","3","1","5","5","1") = "6"
    & skf21("2","3","7","3","1","5","6","1") = "6"
    & skf21("2","3","7","3","1","5","7","1") = "6"
    & skf21("2","3","7","3","1","6","1","1") = "6"
    & skf21("2","3","7","3","1","6","2","1") = "6"
    & skf21("2","3","7","3","1","6","3","1") = "6"
    & skf21("2","3","7","3","1","6","4","1") = "6"
    & skf21("2","3","7","3","1","6","5","1") = "6"
    & skf21("2","3","7","3","1","6","6","1") = "6"
    & skf21("2","3","7","3","1","6","7","1") = "6"
    & skf21("2","3","7","3","1","7","1","1") = "6"
    & skf21("2","3","7","3","1","7","2","1") = "6"
    & skf21("2","3","7","3","1","7","3","1") = "6"
    & skf21("2","3","7","3","1","7","4","1") = "6"
    & skf21("2","3","7","3","1","7","5","1") = "6"
    & skf21("2","3","7","3","1","7","6","1") = "6"
    & skf21("2","3","7","3","1","7","7","1") = "6"
    & skf21("2","3","7","3","2","1","1","1") = "6"
    & skf21("2","3","7","3","2","1","2","1") = "6"
    & skf21("2","3","7","3","2","1","3","1") = "6"
    & skf21("2","3","7","3","2","1","4","1") = "6"
    & skf21("2","3","7","3","2","1","5","1") = "6"
    & skf21("2","3","7","3","2","1","6","1") = "6"
    & skf21("2","3","7","3","2","1","7","1") = "6"
    & skf21("2","3","7","3","2","2","1","1") = "6"
    & skf21("2","3","7","3","2","2","2","1") = "6"
    & skf21("2","3","7","3","2","2","3","1") = "6"
    & skf21("2","3","7","3","2","2","4","1") = "6"
    & skf21("2","3","7","3","2","2","5","1") = "6"
    & skf21("2","3","7","3","2","2","6","1") = "6"
    & skf21("2","3","7","3","2","2","7","1") = "6"
    & skf21("2","3","7","3","2","3","1","1") = "6"
    & skf21("2","3","7","3","2","3","2","1") = "6"
    & skf21("2","3","7","3","2","3","3","1") = "6"
    & skf21("2","3","7","3","2","3","4","1") = "6"
    & skf21("2","3","7","3","2","3","5","1") = "6"
    & skf21("2","3","7","3","2","3","6","1") = "6"
    & skf21("2","3","7","3","2","3","7","1") = "6"
    & skf21("2","3","7","3","2","4","1","1") = "6"
    & skf21("2","3","7","3","2","4","2","1") = "6"
    & skf21("2","3","7","3","2","4","3","1") = "6"
    & skf21("2","3","7","3","2","4","4","1") = "6"
    & skf21("2","3","7","3","2","4","5","1") = "6"
    & skf21("2","3","7","3","2","4","6","1") = "6"
    & skf21("2","3","7","3","2","4","7","1") = "6"
    & skf21("2","3","7","3","2","5","1","1") = "6"
    & skf21("2","3","7","3","2","5","2","1") = "6"
    & skf21("2","3","7","3","2","5","3","1") = "6"
    & skf21("2","3","7","3","2","5","4","1") = "6"
    & skf21("2","3","7","3","2","5","5","1") = "6"
    & skf21("2","3","7","3","2","5","6","1") = "6"
    & skf21("2","3","7","3","2","5","7","1") = "6"
    & skf21("2","3","7","3","2","6","1","1") = "6"
    & skf21("2","3","7","3","2","6","2","1") = "6"
    & skf21("2","3","7","3","2","6","3","1") = "6"
    & skf21("2","3","7","3","2","6","4","1") = "6"
    & skf21("2","3","7","3","2","6","5","1") = "6"
    & skf21("2","3","7","3","2","6","6","1") = "6"
    & skf21("2","3","7","3","2","6","7","1") = "6"
    & skf21("2","3","7","3","2","7","1","1") = "6"
    & skf21("2","3","7","3","2","7","2","1") = "6"
    & skf21("2","3","7","3","2","7","3","1") = "6"
    & skf21("2","3","7","3","2","7","4","1") = "6"
    & skf21("2","3","7","3","2","7","5","1") = "6"
    & skf21("2","3","7","3","2","7","6","1") = "6"
    & skf21("2","3","7","3","2","7","7","1") = "6"
    & skf21("2","3","7","3","3","1","1","1") = "6"
    & skf21("2","3","7","3","3","1","2","1") = "6"
    & skf21("2","3","7","3","3","1","3","1") = "6"
    & skf21("2","3","7","3","3","1","4","1") = "6"
    & skf21("2","3","7","3","3","1","5","1") = "6"
    & skf21("2","3","7","3","3","1","6","1") = "6"
    & skf21("2","3","7","3","3","1","7","1") = "6"
    & skf21("2","3","7","3","3","2","1","1") = "6"
    & skf21("2","3","7","3","3","2","2","1") = "6"
    & skf21("2","3","7","3","3","2","3","1") = "6"
    & skf21("2","3","7","3","3","2","4","1") = "6"
    & skf21("2","3","7","3","3","2","5","1") = "6"
    & skf21("2","3","7","3","3","2","6","1") = "6"
    & skf21("2","3","7","3","3","2","7","1") = "6"
    & skf21("2","3","7","3","3","3","1","1") = "6"
    & skf21("2","3","7","3","3","3","2","1") = "6"
    & skf21("2","3","7","3","3","3","3","1") = "6"
    & skf21("2","3","7","3","3","3","4","1") = "6"
    & skf21("2","3","7","3","3","3","5","1") = "6"
    & skf21("2","3","7","3","3","3","6","1") = "6"
    & skf21("2","3","7","3","3","3","7","1") = "6"
    & skf21("2","3","7","3","3","4","1","1") = "6"
    & skf21("2","3","7","3","3","4","2","1") = "6"
    & skf21("2","3","7","3","3","4","3","1") = "6"
    & skf21("2","3","7","3","3","4","4","1") = "6"
    & skf21("2","3","7","3","3","4","5","1") = "6"
    & skf21("2","3","7","3","3","4","6","1") = "6"
    & skf21("2","3","7","3","3","4","7","1") = "6"
    & skf21("2","3","7","3","3","5","1","1") = "6"
    & skf21("2","3","7","3","3","5","2","1") = "6"
    & skf21("2","3","7","3","3","5","3","1") = "6"
    & skf21("2","3","7","3","3","5","4","1") = "6"
    & skf21("2","3","7","3","3","5","5","1") = "6"
    & skf21("2","3","7","3","3","5","6","1") = "6"
    & skf21("2","3","7","3","3","5","7","1") = "6"
    & skf21("2","3","7","3","3","6","1","1") = "6"
    & skf21("2","3","7","3","3","6","2","1") = "6"
    & skf21("2","3","7","3","3","6","3","1") = "6"
    & skf21("2","3","7","3","3","6","4","1") = "6"
    & skf21("2","3","7","3","3","6","5","1") = "6"
    & skf21("2","3","7","3","3","6","6","1") = "6"
    & skf21("2","3","7","3","3","6","7","1") = "6"
    & skf21("2","3","7","3","3","7","1","1") = "6"
    & skf21("2","3","7","3","3","7","2","1") = "6"
    & skf21("2","3","7","3","3","7","3","1") = "6"
    & skf21("2","3","7","3","3","7","4","1") = "6"
    & skf21("2","3","7","3","3","7","5","1") = "6"
    & skf21("2","3","7","3","3","7","6","1") = "6"
    & skf21("2","3","7","3","3","7","7","1") = "6"
    & skf21("2","3","7","3","4","1","1","1") = "6"
    & skf21("2","3","7","3","4","1","2","1") = "6"
    & skf21("2","3","7","3","4","1","3","1") = "6"
    & skf21("2","3","7","3","4","1","4","1") = "6"
    & skf21("2","3","7","3","4","1","5","1") = "6"
    & skf21("2","3","7","3","4","1","6","1") = "6"
    & skf21("2","3","7","3","4","1","7","1") = "6"
    & skf21("2","3","7","3","4","2","1","1") = "6"
    & skf21("2","3","7","3","4","2","2","1") = "6"
    & skf21("2","3","7","3","4","2","3","1") = "6"
    & skf21("2","3","7","3","4","2","4","1") = "6"
    & skf21("2","3","7","3","4","2","5","1") = "6"
    & skf21("2","3","7","3","4","2","6","1") = "6"
    & skf21("2","3","7","3","4","2","7","1") = "6"
    & skf21("2","3","7","3","4","3","1","1") = "6"
    & skf21("2","3","7","3","4","3","2","1") = "6"
    & skf21("2","3","7","3","4","3","3","1") = "6"
    & skf21("2","3","7","3","4","3","4","1") = "6"
    & skf21("2","3","7","3","4","3","5","1") = "6"
    & skf21("2","3","7","3","4","3","6","1") = "6"
    & skf21("2","3","7","3","4","3","7","1") = "6"
    & skf21("2","3","7","3","4","4","1","1") = "6"
    & skf21("2","3","7","3","4","4","2","1") = "6"
    & skf21("2","3","7","3","4","4","3","1") = "6"
    & skf21("2","3","7","3","4","4","4","1") = "6"
    & skf21("2","3","7","3","4","4","5","1") = "6"
    & skf21("2","3","7","3","4","4","6","1") = "6"
    & skf21("2","3","7","3","4","4","7","1") = "6"
    & skf21("2","3","7","3","4","5","1","1") = "6"
    & skf21("2","3","7","3","4","5","2","1") = "6"
    & skf21("2","3","7","3","4","5","3","1") = "6"
    & skf21("2","3","7","3","4","5","4","1") = "6"
    & skf21("2","3","7","3","4","5","5","1") = "6"
    & skf21("2","3","7","3","4","5","6","1") = "6"
    & skf21("2","3","7","3","4","5","7","1") = "6"
    & skf21("2","3","7","3","4","6","1","1") = "6"
    & skf21("2","3","7","3","4","6","2","1") = "6"
    & skf21("2","3","7","3","4","6","3","1") = "6"
    & skf21("2","3","7","3","4","6","4","1") = "6"
    & skf21("2","3","7","3","4","6","5","1") = "6"
    & skf21("2","3","7","3","4","6","6","1") = "6"
    & skf21("2","3","7","3","4","6","7","1") = "6"
    & skf21("2","3","7","3","4","7","1","1") = "6"
    & skf21("2","3","7","3","4","7","2","1") = "6"
    & skf21("2","3","7","3","4","7","3","1") = "6"
    & skf21("2","3","7","3","4","7","4","1") = "6"
    & skf21("2","3","7","3","4","7","5","1") = "6"
    & skf21("2","3","7","3","4","7","6","1") = "6"
    & skf21("2","3","7","3","4","7","7","1") = "6"
    & skf21("2","3","7","3","5","1","1","1") = "6"
    & skf21("2","3","7","3","5","1","2","1") = "6"
    & skf21("2","3","7","3","5","1","3","1") = "6"
    & skf21("2","3","7","3","5","1","4","1") = "6"
    & skf21("2","3","7","3","5","1","5","1") = "6"
    & skf21("2","3","7","3","5","1","6","1") = "6"
    & skf21("2","3","7","3","5","1","7","1") = "6"
    & skf21("2","3","7","3","5","2","1","1") = "6"
    & skf21("2","3","7","3","5","2","2","1") = "6"
    & skf21("2","3","7","3","5","2","3","1") = "6"
    & skf21("2","3","7","3","5","2","4","1") = "6"
    & skf21("2","3","7","3","5","2","5","1") = "6"
    & skf21("2","3","7","3","5","2","6","1") = "6"
    & skf21("2","3","7","3","5","2","7","1") = "6"
    & skf21("2","3","7","3","5","3","1","1") = "6"
    & skf21("2","3","7","3","5","3","2","1") = "6"
    & skf21("2","3","7","3","5","3","3","1") = "6"
    & skf21("2","3","7","3","5","3","4","1") = "6"
    & skf21("2","3","7","3","5","3","5","1") = "6"
    & skf21("2","3","7","3","5","3","6","1") = "6"
    & skf21("2","3","7","3","5","3","7","1") = "6"
    & skf21("2","3","7","3","5","4","1","1") = "6"
    & skf21("2","3","7","3","5","4","2","1") = "6"
    & skf21("2","3","7","3","5","4","3","1") = "6"
    & skf21("2","3","7","3","5","4","4","1") = "6"
    & skf21("2","3","7","3","5","4","5","1") = "6"
    & skf21("2","3","7","3","5","4","6","1") = "6"
    & skf21("2","3","7","3","5","4","7","1") = "6"
    & skf21("2","3","7","3","5","5","1","1") = "6"
    & skf21("2","3","7","3","5","5","2","1") = "6"
    & skf21("2","3","7","3","5","5","3","1") = "6"
    & skf21("2","3","7","3","5","5","4","1") = "6"
    & skf21("2","3","7","3","5","5","5","1") = "6"
    & skf21("2","3","7","3","5","5","6","1") = "6"
    & skf21("2","3","7","3","5","5","7","1") = "6"
    & skf21("2","3","7","3","5","6","1","1") = "6"
    & skf21("2","3","7","3","5","6","2","1") = "6"
    & skf21("2","3","7","3","5","6","3","1") = "6"
    & skf21("2","3","7","3","5","6","4","1") = "6"
    & skf21("2","3","7","3","5","6","5","1") = "6"
    & skf21("2","3","7","3","5","6","6","1") = "6"
    & skf21("2","3","7","3","5","6","7","1") = "6"
    & skf21("2","3","7","3","5","7","1","1") = "6"
    & skf21("2","3","7","3","5","7","2","1") = "6"
    & skf21("2","3","7","3","5","7","3","1") = "6"
    & skf21("2","3","7","3","5","7","4","1") = "6"
    & skf21("2","3","7","3","5","7","5","1") = "6"
    & skf21("2","3","7","3","5","7","6","1") = "6"
    & skf21("2","3","7","3","5","7","7","1") = "6"
    & skf21("2","3","7","3","6","1","1","1") = "6"
    & skf21("2","3","7","3","6","1","2","1") = "6"
    & skf21("2","3","7","3","6","1","3","1") = "6"
    & skf21("2","3","7","3","6","1","4","1") = "6"
    & skf21("2","3","7","3","6","1","5","1") = "6"
    & skf21("2","3","7","3","6","1","6","1") = "6"
    & skf21("2","3","7","3","6","1","7","1") = "6"
    & skf21("2","3","7","3","6","2","1","1") = "6"
    & skf21("2","3","7","3","6","2","2","1") = "6"
    & skf21("2","3","7","3","6","2","3","1") = "6"
    & skf21("2","3","7","3","6","2","4","1") = "6"
    & skf21("2","3","7","3","6","2","5","1") = "6"
    & skf21("2","3","7","3","6","2","6","1") = "6"
    & skf21("2","3","7","3","6","2","7","1") = "6"
    & skf21("2","3","7","3","6","3","1","1") = "6"
    & skf21("2","3","7","3","6","3","2","1") = "6"
    & skf21("2","3","7","3","6","3","3","1") = "6"
    & skf21("2","3","7","3","6","3","4","1") = "6"
    & skf21("2","3","7","3","6","3","5","1") = "6"
    & skf21("2","3","7","3","6","3","6","1") = "6"
    & skf21("2","3","7","3","6","3","7","1") = "6"
    & skf21("2","3","7","3","6","4","1","1") = "6"
    & skf21("2","3","7","3","6","4","2","1") = "6"
    & skf21("2","3","7","3","6","4","3","1") = "6"
    & skf21("2","3","7","3","6","4","4","1") = "6"
    & skf21("2","3","7","3","6","4","5","1") = "6"
    & skf21("2","3","7","3","6","4","6","1") = "6"
    & skf21("2","3","7","3","6","4","7","1") = "6"
    & skf21("2","3","7","3","6","5","1","1") = "6"
    & skf21("2","3","7","3","6","5","2","1") = "6"
    & skf21("2","3","7","3","6","5","3","1") = "6"
    & skf21("2","3","7","3","6","5","4","1") = "6"
    & skf21("2","3","7","3","6","5","5","1") = "6"
    & skf21("2","3","7","3","6","5","6","1") = "6"
    & skf21("2","3","7","3","6","5","7","1") = "6"
    & skf21("2","3","7","3","6","6","1","1") = "6"
    & skf21("2","3","7","3","6","6","2","1") = "6"
    & skf21("2","3","7","3","6","6","3","1") = "6"
    & skf21("2","3","7","3","6","6","4","1") = "6"
    & skf21("2","3","7","3","6","6","5","1") = "6"
    & skf21("2","3","7","3","6","6","6","1") = "6"
    & skf21("2","3","7","3","6","6","7","1") = "6"
    & skf21("2","3","7","3","6","7","1","1") = "6"
    & skf21("2","3","7","3","6","7","2","1") = "6"
    & skf21("2","3","7","3","6","7","3","1") = "6"
    & skf21("2","3","7","3","6","7","4","1") = "6"
    & skf21("2","3","7","3","6","7","5","1") = "6"
    & skf21("2","3","7","3","6","7","6","1") = "6"
    & skf21("2","3","7","3","6","7","7","1") = "6"
    & skf21("2","3","7","3","7","1","1","1") = "6"
    & skf21("2","3","7","3","7","1","2","1") = "6"
    & skf21("2","3","7","3","7","1","3","1") = "6"
    & skf21("2","3","7","3","7","1","4","1") = "6"
    & skf21("2","3","7","3","7","1","5","1") = "6"
    & skf21("2","3","7","3","7","1","6","1") = "6"
    & skf21("2","3","7","3","7","1","7","1") = "6"
    & skf21("2","3","7","3","7","2","1","1") = "6"
    & skf21("2","3","7","3","7","2","2","1") = "6"
    & skf21("2","3","7","3","7","2","3","1") = "6"
    & skf21("2","3","7","3","7","2","4","1") = "6"
    & skf21("2","3","7","3","7","2","5","1") = "6"
    & skf21("2","3","7","3","7","2","6","1") = "6"
    & skf21("2","3","7","3","7","2","7","1") = "6"
    & skf21("2","3","7","3","7","3","1","1") = "6"
    & skf21("2","3","7","3","7","3","2","1") = "6"
    & skf21("2","3","7","3","7","3","3","1") = "6"
    & skf21("2","3","7","3","7","3","4","1") = "6"
    & skf21("2","3","7","3","7","3","5","1") = "6"
    & skf21("2","3","7","3","7","3","6","1") = "6"
    & skf21("2","3","7","3","7","3","7","1") = "6"
    & skf21("2","3","7","3","7","4","1","1") = "6"
    & skf21("2","3","7","3","7","4","2","1") = "6"
    & skf21("2","3","7","3","7","4","3","1") = "6"
    & skf21("2","3","7","3","7","4","4","1") = "6"
    & skf21("2","3","7","3","7","4","5","1") = "6"
    & skf21("2","3","7","3","7","4","6","1") = "6"
    & skf21("2","3","7","3","7","4","7","1") = "6"
    & skf21("2","3","7","3","7","5","1","1") = "6"
    & skf21("2","3","7","3","7","5","2","1") = "6"
    & skf21("2","3","7","3","7","5","3","1") = "6"
    & skf21("2","3","7","3","7","5","4","1") = "6"
    & skf21("2","3","7","3","7","5","5","1") = "6"
    & skf21("2","3","7","3","7","5","6","1") = "6"
    & skf21("2","3","7","3","7","5","7","1") = "6"
    & skf21("2","3","7","3","7","6","1","1") = "6"
    & skf21("2","3","7","3","7","6","2","1") = "6"
    & skf21("2","3","7","3","7","6","3","1") = "6"
    & skf21("2","3","7","3","7","6","4","1") = "6"
    & skf21("2","3","7","3","7","6","5","1") = "6"
    & skf21("2","3","7","3","7","6","6","1") = "6"
    & skf21("2","3","7","3","7","6","7","1") = "6"
    & skf21("2","3","7","3","7","7","1","1") = "6"
    & skf21("2","3","7","3","7","7","2","1") = "6"
    & skf21("2","3","7","3","7","7","3","1") = "6"
    & skf21("2","3","7","3","7","7","4","1") = "6"
    & skf21("2","3","7","3","7","7","5","1") = "6"
    & skf21("2","3","7","3","7","7","6","1") = "6"
    & skf21("2","3","7","3","7","7","7","1") = "6"
    & skf21("2","3","7","4","1","1","1","1") = "6"
    & skf21("2","3","7","4","1","1","2","1") = "6"
    & skf21("2","3","7","4","1","1","3","1") = "6"
    & skf21("2","3","7","4","1","1","4","1") = "6"
    & skf21("2","3","7","4","1","1","5","1") = "6"
    & skf21("2","3","7","4","1","1","6","1") = "6"
    & skf21("2","3","7","4","1","1","7","1") = "6"
    & skf21("2","3","7","4","1","2","1","1") = "6"
    & skf21("2","3","7","4","1","2","2","1") = "6"
    & skf21("2","3","7","4","1","2","3","1") = "6"
    & skf21("2","3","7","4","1","2","4","1") = "6"
    & skf21("2","3","7","4","1","2","5","1") = "6"
    & skf21("2","3","7","4","1","2","6","1") = "6"
    & skf21("2","3","7","4","1","2","7","1") = "6"
    & skf21("2","3","7","4","1","3","1","1") = "6"
    & skf21("2","3","7","4","1","3","2","1") = "6"
    & skf21("2","3","7","4","1","3","3","1") = "6"
    & skf21("2","3","7","4","1","3","4","1") = "6"
    & skf21("2","3","7","4","1","3","5","1") = "6"
    & skf21("2","3","7","4","1","3","6","1") = "6"
    & skf21("2","3","7","4","1","3","7","1") = "6"
    & skf21("2","3","7","4","1","4","1","1") = "6"
    & skf21("2","3","7","4","1","4","2","1") = "6"
    & skf21("2","3","7","4","1","4","3","1") = "6"
    & skf21("2","3","7","4","1","4","4","1") = "6"
    & skf21("2","3","7","4","1","4","5","1") = "6"
    & skf21("2","3","7","4","1","4","6","1") = "6"
    & skf21("2","3","7","4","1","4","7","1") = "6"
    & skf21("2","3","7","4","1","5","1","1") = "6"
    & skf21("2","3","7","4","1","5","2","1") = "6"
    & skf21("2","3","7","4","1","5","3","1") = "6"
    & skf21("2","3","7","4","1","5","4","1") = "6"
    & skf21("2","3","7","4","1","5","5","1") = "6"
    & skf21("2","3","7","4","1","5","6","1") = "6"
    & skf21("2","3","7","4","1","5","7","1") = "6"
    & skf21("2","3","7","4","1","6","1","1") = "6"
    & skf21("2","3","7","4","1","6","2","1") = "6"
    & skf21("2","3","7","4","1","6","3","1") = "6"
    & skf21("2","3","7","4","1","6","4","1") = "6"
    & skf21("2","3","7","4","1","6","5","1") = "6"
    & skf21("2","3","7","4","1","6","6","1") = "6"
    & skf21("2","3","7","4","1","6","7","1") = "6"
    & skf21("2","3","7","4","1","7","1","1") = "6"
    & skf21("2","3","7","4","1","7","2","1") = "6"
    & skf21("2","3","7","4","1","7","3","1") = "6"
    & skf21("2","3","7","4","1","7","4","1") = "6"
    & skf21("2","3","7","4","1","7","5","1") = "6"
    & skf21("2","3","7","4","1","7","6","1") = "6"
    & skf21("2","3","7","4","1","7","7","1") = "6"
    & skf21("2","3","7","4","2","1","1","1") = "6"
    & skf21("2","3","7","4","2","1","2","1") = "6"
    & skf21("2","3","7","4","2","1","3","1") = "6"
    & skf21("2","3","7","4","2","1","4","1") = "6"
    & skf21("2","3","7","4","2","1","5","1") = "6"
    & skf21("2","3","7","4","2","1","6","1") = "6"
    & skf21("2","3","7","4","2","1","7","1") = "6"
    & skf21("2","3","7","4","2","2","1","1") = "6"
    & skf21("2","3","7","4","2","2","2","1") = "6"
    & skf21("2","3","7","4","2","2","3","1") = "6"
    & skf21("2","3","7","4","2","2","4","1") = "6"
    & skf21("2","3","7","4","2","2","5","1") = "6"
    & skf21("2","3","7","4","2","2","6","1") = "6"
    & skf21("2","3","7","4","2","2","7","1") = "6"
    & skf21("2","3","7","4","2","3","1","1") = "6"
    & skf21("2","3","7","4","2","3","2","1") = "6"
    & skf21("2","3","7","4","2","3","3","1") = "6"
    & skf21("2","3","7","4","2","3","4","1") = "6"
    & skf21("2","3","7","4","2","3","5","1") = "6"
    & skf21("2","3","7","4","2","3","6","1") = "6"
    & skf21("2","3","7","4","2","3","7","1") = "6"
    & skf21("2","3","7","4","2","4","1","1") = "6"
    & skf21("2","3","7","4","2","4","2","1") = "6"
    & skf21("2","3","7","4","2","4","3","1") = "6"
    & skf21("2","3","7","4","2","4","4","1") = "6"
    & skf21("2","3","7","4","2","4","5","1") = "6"
    & skf21("2","3","7","4","2","4","6","1") = "6"
    & skf21("2","3","7","4","2","4","7","1") = "6"
    & skf21("2","3","7","4","2","5","1","1") = "6"
    & skf21("2","3","7","4","2","5","2","1") = "6"
    & skf21("2","3","7","4","2","5","3","1") = "6"
    & skf21("2","3","7","4","2","5","4","1") = "6"
    & skf21("2","3","7","4","2","5","5","1") = "6"
    & skf21("2","3","7","4","2","5","6","1") = "6"
    & skf21("2","3","7","4","2","5","7","1") = "6"
    & skf21("2","3","7","4","2","6","1","1") = "6"
    & skf21("2","3","7","4","2","6","2","1") = "6"
    & skf21("2","3","7","4","2","6","3","1") = "6"
    & skf21("2","3","7","4","2","6","4","1") = "6"
    & skf21("2","3","7","4","2","6","5","1") = "6"
    & skf21("2","3","7","4","2","6","6","1") = "6"
    & skf21("2","3","7","4","2","6","7","1") = "6"
    & skf21("2","3","7","4","2","7","1","1") = "6"
    & skf21("2","3","7","4","2","7","2","1") = "6"
    & skf21("2","3","7","4","2","7","3","1") = "6"
    & skf21("2","3","7","4","2","7","4","1") = "6"
    & skf21("2","3","7","4","2","7","5","1") = "6"
    & skf21("2","3","7","4","2","7","6","1") = "6"
    & skf21("2","3","7","4","2","7","7","1") = "6"
    & skf21("2","3","7","4","3","1","1","1") = "6"
    & skf21("2","3","7","4","3","1","2","1") = "6"
    & skf21("2","3","7","4","3","1","3","1") = "6"
    & skf21("2","3","7","4","3","1","4","1") = "6"
    & skf21("2","3","7","4","3","1","5","1") = "6"
    & skf21("2","3","7","4","3","1","6","1") = "6"
    & skf21("2","3","7","4","3","1","7","1") = "6"
    & skf21("2","3","7","4","3","2","1","1") = "6"
    & skf21("2","3","7","4","3","2","2","1") = "6"
    & skf21("2","3","7","4","3","2","3","1") = "6"
    & skf21("2","3","7","4","3","2","4","1") = "6"
    & skf21("2","3","7","4","3","2","5","1") = "6"
    & skf21("2","3","7","4","3","2","6","1") = "6"
    & skf21("2","3","7","4","3","2","7","1") = "6"
    & skf21("2","3","7","4","3","3","1","1") = "6"
    & skf21("2","3","7","4","3","3","2","1") = "6"
    & skf21("2","3","7","4","3","3","3","1") = "6"
    & skf21("2","3","7","4","3","3","4","1") = "6"
    & skf21("2","3","7","4","3","3","5","1") = "6"
    & skf21("2","3","7","4","3","3","6","1") = "6"
    & skf21("2","3","7","4","3","3","7","1") = "6"
    & skf21("2","3","7","4","3","4","1","1") = "6"
    & skf21("2","3","7","4","3","4","2","1") = "6"
    & skf21("2","3","7","4","3","4","3","1") = "6"
    & skf21("2","3","7","4","3","4","4","1") = "6"
    & skf21("2","3","7","4","3","4","5","1") = "6"
    & skf21("2","3","7","4","3","4","6","1") = "6"
    & skf21("2","3","7","4","3","4","7","1") = "6"
    & skf21("2","3","7","4","3","5","1","1") = "6"
    & skf21("2","3","7","4","3","5","2","1") = "6"
    & skf21("2","3","7","4","3","5","3","1") = "6"
    & skf21("2","3","7","4","3","5","4","1") = "6"
    & skf21("2","3","7","4","3","5","5","1") = "6"
    & skf21("2","3","7","4","3","5","6","1") = "6"
    & skf21("2","3","7","4","3","5","7","1") = "6"
    & skf21("2","3","7","4","3","6","1","1") = "6"
    & skf21("2","3","7","4","3","6","2","1") = "6"
    & skf21("2","3","7","4","3","6","3","1") = "6"
    & skf21("2","3","7","4","3","6","4","1") = "6"
    & skf21("2","3","7","4","3","6","5","1") = "6"
    & skf21("2","3","7","4","3","6","6","1") = "6"
    & skf21("2","3","7","4","3","6","7","1") = "6"
    & skf21("2","3","7","4","3","7","1","1") = "6"
    & skf21("2","3","7","4","3","7","2","1") = "6"
    & skf21("2","3","7","4","3","7","3","1") = "6"
    & skf21("2","3","7","4","3","7","4","1") = "6"
    & skf21("2","3","7","4","3","7","5","1") = "6"
    & skf21("2","3","7","4","3","7","6","1") = "6"
    & skf21("2","3","7","4","3","7","7","1") = "6"
    & skf21("2","3","7","4","4","1","1","1") = "6"
    & skf21("2","3","7","4","4","1","2","1") = "6"
    & skf21("2","3","7","4","4","1","3","1") = "6"
    & skf21("2","3","7","4","4","1","4","1") = "6"
    & skf21("2","3","7","4","4","1","5","1") = "6"
    & skf21("2","3","7","4","4","1","6","1") = "6"
    & skf21("2","3","7","4","4","1","7","1") = "6"
    & skf21("2","3","7","4","4","2","1","1") = "6"
    & skf21("2","3","7","4","4","2","2","1") = "6"
    & skf21("2","3","7","4","4","2","3","1") = "6"
    & skf21("2","3","7","4","4","2","4","1") = "6"
    & skf21("2","3","7","4","4","2","5","1") = "6"
    & skf21("2","3","7","4","4","2","6","1") = "6"
    & skf21("2","3","7","4","4","2","7","1") = "6"
    & skf21("2","3","7","4","4","3","1","1") = "6"
    & skf21("2","3","7","4","4","3","2","1") = "6"
    & skf21("2","3","7","4","4","3","3","1") = "6"
    & skf21("2","3","7","4","4","3","4","1") = "6"
    & skf21("2","3","7","4","4","3","5","1") = "6"
    & skf21("2","3","7","4","4","3","6","1") = "6"
    & skf21("2","3","7","4","4","3","7","1") = "6"
    & skf21("2","3","7","4","4","4","1","1") = "6"
    & skf21("2","3","7","4","4","4","2","1") = "6"
    & skf21("2","3","7","4","4","4","3","1") = "6"
    & skf21("2","3","7","4","4","4","4","1") = "6"
    & skf21("2","3","7","4","4","4","5","1") = "6"
    & skf21("2","3","7","4","4","4","6","1") = "6"
    & skf21("2","3","7","4","4","4","7","1") = "6"
    & skf21("2","3","7","4","4","5","1","1") = "6"
    & skf21("2","3","7","4","4","5","2","1") = "6"
    & skf21("2","3","7","4","4","5","3","1") = "6"
    & skf21("2","3","7","4","4","5","4","1") = "6"
    & skf21("2","3","7","4","4","5","5","1") = "6"
    & skf21("2","3","7","4","4","5","6","1") = "6"
    & skf21("2","3","7","4","4","5","7","1") = "6"
    & skf21("2","3","7","4","4","6","1","1") = "6"
    & skf21("2","3","7","4","4","6","2","1") = "6"
    & skf21("2","3","7","4","4","6","3","1") = "6"
    & skf21("2","3","7","4","4","6","4","1") = "6"
    & skf21("2","3","7","4","4","6","5","1") = "6"
    & skf21("2","3","7","4","4","6","6","1") = "6"
    & skf21("2","3","7","4","4","6","7","1") = "6"
    & skf21("2","3","7","4","4","7","1","1") = "6"
    & skf21("2","3","7","4","4","7","2","1") = "6"
    & skf21("2","3","7","4","4","7","3","1") = "6"
    & skf21("2","3","7","4","4","7","4","1") = "6"
    & skf21("2","3","7","4","4","7","5","1") = "6"
    & skf21("2","3","7","4","4","7","6","1") = "6"
    & skf21("2","3","7","4","4","7","7","1") = "6"
    & skf21("2","3","7","4","5","1","1","1") = "6"
    & skf21("2","3","7","4","5","1","2","1") = "6"
    & skf21("2","3","7","4","5","1","3","1") = "6"
    & skf21("2","3","7","4","5","1","4","1") = "6"
    & skf21("2","3","7","4","5","1","5","1") = "6"
    & skf21("2","3","7","4","5","1","6","1") = "6"
    & skf21("2","3","7","4","5","1","7","1") = "6"
    & skf21("2","3","7","4","5","2","1","1") = "6"
    & skf21("2","3","7","4","5","2","2","1") = "6"
    & skf21("2","3","7","4","5","2","3","1") = "6"
    & skf21("2","3","7","4","5","2","4","1") = "6"
    & skf21("2","3","7","4","5","2","5","1") = "6"
    & skf21("2","3","7","4","5","2","6","1") = "6"
    & skf21("2","3","7","4","5","2","7","1") = "6"
    & skf21("2","3","7","4","5","3","1","1") = "6"
    & skf21("2","3","7","4","5","3","2","1") = "6"
    & skf21("2","3","7","4","5","3","3","1") = "6"
    & skf21("2","3","7","4","5","3","4","1") = "6"
    & skf21("2","3","7","4","5","3","5","1") = "6"
    & skf21("2","3","7","4","5","3","6","1") = "6"
    & skf21("2","3","7","4","5","3","7","1") = "6"
    & skf21("2","3","7","4","5","4","1","1") = "6"
    & skf21("2","3","7","4","5","4","2","1") = "6"
    & skf21("2","3","7","4","5","4","3","1") = "6"
    & skf21("2","3","7","4","5","4","4","1") = "6"
    & skf21("2","3","7","4","5","4","5","1") = "6"
    & skf21("2","3","7","4","5","4","6","1") = "6"
    & skf21("2","3","7","4","5","4","7","1") = "6"
    & skf21("2","3","7","4","5","5","1","1") = "6"
    & skf21("2","3","7","4","5","5","2","1") = "6"
    & skf21("2","3","7","4","5","5","3","1") = "6"
    & skf21("2","3","7","4","5","5","4","1") = "6"
    & skf21("2","3","7","4","5","5","5","1") = "6"
    & skf21("2","3","7","4","5","5","6","1") = "6"
    & skf21("2","3","7","4","5","5","7","1") = "6"
    & skf21("2","3","7","4","5","6","1","1") = "6"
    & skf21("2","3","7","4","5","6","2","1") = "6"
    & skf21("2","3","7","4","5","6","3","1") = "6"
    & skf21("2","3","7","4","5","6","4","1") = "6"
    & skf21("2","3","7","4","5","6","5","1") = "6"
    & skf21("2","3","7","4","5","6","6","1") = "6"
    & skf21("2","3","7","4","5","6","7","1") = "6"
    & skf21("2","3","7","4","5","7","1","1") = "6"
    & skf21("2","3","7","4","5","7","2","1") = "6"
    & skf21("2","3","7","4","5","7","3","1") = "6"
    & skf21("2","3","7","4","5","7","4","1") = "6"
    & skf21("2","3","7","4","5","7","5","1") = "6"
    & skf21("2","3","7","4","5","7","6","1") = "6"
    & skf21("2","3","7","4","5","7","7","1") = "6"
    & skf21("2","3","7","4","6","1","1","1") = "6"
    & skf21("2","3","7","4","6","1","2","1") = "6"
    & skf21("2","3","7","4","6","1","3","1") = "6"
    & skf21("2","3","7","4","6","1","4","1") = "6"
    & skf21("2","3","7","4","6","1","5","1") = "6"
    & skf21("2","3","7","4","6","1","6","1") = "6"
    & skf21("2","3","7","4","6","1","7","1") = "6"
    & skf21("2","3","7","4","6","2","1","1") = "6"
    & skf21("2","3","7","4","6","2","2","1") = "6"
    & skf21("2","3","7","4","6","2","3","1") = "6"
    & skf21("2","3","7","4","6","2","4","1") = "6"
    & skf21("2","3","7","4","6","2","5","1") = "6"
    & skf21("2","3","7","4","6","2","6","1") = "6"
    & skf21("2","3","7","4","6","2","7","1") = "6"
    & skf21("2","3","7","4","6","3","1","1") = "6"
    & skf21("2","3","7","4","6","3","2","1") = "6"
    & skf21("2","3","7","4","6","3","3","1") = "6"
    & skf21("2","3","7","4","6","3","4","1") = "6"
    & skf21("2","3","7","4","6","3","5","1") = "6"
    & skf21("2","3","7","4","6","3","6","1") = "6"
    & skf21("2","3","7","4","6","3","7","1") = "6"
    & skf21("2","3","7","4","6","4","1","1") = "6"
    & skf21("2","3","7","4","6","4","2","1") = "6"
    & skf21("2","3","7","4","6","4","3","1") = "6"
    & skf21("2","3","7","4","6","4","4","1") = "6"
    & skf21("2","3","7","4","6","4","5","1") = "6"
    & skf21("2","3","7","4","6","4","6","1") = "6"
    & skf21("2","3","7","4","6","4","7","1") = "6"
    & skf21("2","3","7","4","6","5","1","1") = "6"
    & skf21("2","3","7","4","6","5","2","1") = "6"
    & skf21("2","3","7","4","6","5","3","1") = "6"
    & skf21("2","3","7","4","6","5","4","1") = "6"
    & skf21("2","3","7","4","6","5","5","1") = "6"
    & skf21("2","3","7","4","6","5","6","1") = "6"
    & skf21("2","3","7","4","6","5","7","1") = "6"
    & skf21("2","3","7","4","6","6","1","1") = "6"
    & skf21("2","3","7","4","6","6","2","1") = "6"
    & skf21("2","3","7","4","6","6","3","1") = "6"
    & skf21("2","3","7","4","6","6","4","1") = "6"
    & skf21("2","3","7","4","6","6","5","1") = "6"
    & skf21("2","3","7","4","6","6","6","1") = "6"
    & skf21("2","3","7","4","6","6","7","1") = "6"
    & skf21("2","3","7","4","6","7","1","1") = "6"
    & skf21("2","3","7","4","6","7","2","1") = "6"
    & skf21("2","3","7","4","6","7","3","1") = "6"
    & skf21("2","3","7","4","6","7","4","1") = "6"
    & skf21("2","3","7","4","6","7","5","1") = "6"
    & skf21("2","3","7","4","6","7","6","1") = "6"
    & skf21("2","3","7","4","6","7","7","1") = "6"
    & skf21("2","3","7","4","7","1","1","1") = "6"
    & skf21("2","3","7","4","7","1","2","1") = "6"
    & skf21("2","3","7","4","7","1","3","1") = "6"
    & skf21("2","3","7","4","7","1","4","1") = "6"
    & skf21("2","3","7","4","7","1","5","1") = "6"
    & skf21("2","3","7","4","7","1","6","1") = "6"
    & skf21("2","3","7","4","7","1","7","1") = "6"
    & skf21("2","3","7","4","7","2","1","1") = "6"
    & skf21("2","3","7","4","7","2","2","1") = "6"
    & skf21("2","3","7","4","7","2","3","1") = "6"
    & skf21("2","3","7","4","7","2","4","1") = "6"
    & skf21("2","3","7","4","7","2","5","1") = "6"
    & skf21("2","3","7","4","7","2","6","1") = "6"
    & skf21("2","3","7","4","7","2","7","1") = "6"
    & skf21("2","3","7","4","7","3","1","1") = "6"
    & skf21("2","3","7","4","7","3","2","1") = "6"
    & skf21("2","3","7","4","7","3","3","1") = "6"
    & skf21("2","3","7","4","7","3","4","1") = "6"
    & skf21("2","3","7","4","7","3","5","1") = "6"
    & skf21("2","3","7","4","7","3","6","1") = "6"
    & skf21("2","3","7","4","7","3","7","1") = "6"
    & skf21("2","3","7","4","7","4","1","1") = "6"
    & skf21("2","3","7","4","7","4","2","1") = "6"
    & skf21("2","3","7","4","7","4","3","1") = "6"
    & skf21("2","3","7","4","7","4","4","1") = "6"
    & skf21("2","3","7","4","7","4","5","1") = "6"
    & skf21("2","3","7","4","7","4","6","1") = "6"
    & skf21("2","3","7","4","7","4","7","1") = "6"
    & skf21("2","3","7","4","7","5","1","1") = "6"
    & skf21("2","3","7","4","7","5","2","1") = "6"
    & skf21("2","3","7","4","7","5","3","1") = "6"
    & skf21("2","3","7","4","7","5","4","1") = "6"
    & skf21("2","3","7","4","7","5","5","1") = "6"
    & skf21("2","3","7","4","7","5","6","1") = "6"
    & skf21("2","3","7","4","7","5","7","1") = "6"
    & skf21("2","3","7","4","7","6","1","1") = "6"
    & skf21("2","3","7","4","7","6","2","1") = "6"
    & skf21("2","3","7","4","7","6","3","1") = "6"
    & skf21("2","3","7","4","7","6","4","1") = "6"
    & skf21("2","3","7","4","7","6","5","1") = "6"
    & skf21("2","3","7","4","7","6","6","1") = "6"
    & skf21("2","3","7","4","7","6","7","1") = "6"
    & skf21("2","3","7","4","7","7","1","1") = "6"
    & skf21("2","3","7","4","7","7","2","1") = "6"
    & skf21("2","3","7","4","7","7","3","1") = "6"
    & skf21("2","3","7","4","7","7","4","1") = "6"
    & skf21("2","3","7","4","7","7","5","1") = "6"
    & skf21("2","3","7","4","7","7","6","1") = "6"
    & skf21("2","3","7","4","7","7","7","1") = "6"
    & skf21("2","3","7","5","1","1","1","1") = "6"
    & skf21("2","3","7","5","1","1","2","1") = "6"
    & skf21("2","3","7","5","1","1","3","1") = "6"
    & skf21("2","3","7","5","1","1","4","1") = "6"
    & skf21("2","3","7","5","1","1","5","1") = "6"
    & skf21("2","3","7","5","1","1","6","1") = "6"
    & skf21("2","3","7","5","1","1","7","1") = "6"
    & skf21("2","3","7","5","1","2","1","1") = "6"
    & skf21("2","3","7","5","1","2","2","1") = "6"
    & skf21("2","3","7","5","1","2","3","1") = "6"
    & skf21("2","3","7","5","1","2","4","1") = "6"
    & skf21("2","3","7","5","1","2","5","1") = "6"
    & skf21("2","3","7","5","1","2","6","1") = "6"
    & skf21("2","3","7","5","1","2","7","1") = "6"
    & skf21("2","3","7","5","1","3","1","1") = "6"
    & skf21("2","3","7","5","1","3","2","1") = "6"
    & skf21("2","3","7","5","1","3","3","1") = "6"
    & skf21("2","3","7","5","1","3","4","1") = "6"
    & skf21("2","3","7","5","1","3","5","1") = "6"
    & skf21("2","3","7","5","1","3","6","1") = "6"
    & skf21("2","3","7","5","1","3","7","1") = "6"
    & skf21("2","3","7","5","1","4","1","1") = "6"
    & skf21("2","3","7","5","1","4","2","1") = "6"
    & skf21("2","3","7","5","1","4","3","1") = "6"
    & skf21("2","3","7","5","1","4","4","1") = "6"
    & skf21("2","3","7","5","1","4","5","1") = "6"
    & skf21("2","3","7","5","1","4","6","1") = "6"
    & skf21("2","3","7","5","1","4","7","1") = "6"
    & skf21("2","3","7","5","1","5","1","1") = "6"
    & skf21("2","3","7","5","1","5","2","1") = "6"
    & skf21("2","3","7","5","1","5","3","1") = "6"
    & skf21("2","3","7","5","1","5","4","1") = "6"
    & skf21("2","3","7","5","1","5","5","1") = "6"
    & skf21("2","3","7","5","1","5","6","1") = "6"
    & skf21("2","3","7","5","1","5","7","1") = "6"
    & skf21("2","3","7","5","1","6","1","1") = "6"
    & skf21("2","3","7","5","1","6","2","1") = "6"
    & skf21("2","3","7","5","1","6","3","1") = "6"
    & skf21("2","3","7","5","1","6","4","1") = "6"
    & skf21("2","3","7","5","1","6","5","1") = "6"
    & skf21("2","3","7","5","1","6","6","1") = "6"
    & skf21("2","3","7","5","1","6","7","1") = "6"
    & skf21("2","3","7","5","1","7","1","1") = "6"
    & skf21("2","3","7","5","1","7","2","1") = "6"
    & skf21("2","3","7","5","1","7","3","1") = "6"
    & skf21("2","3","7","5","1","7","4","1") = "6"
    & skf21("2","3","7","5","1","7","5","1") = "6"
    & skf21("2","3","7","5","1","7","6","1") = "6"
    & skf21("2","3","7","5","1","7","7","1") = "6"
    & skf21("2","3","7","5","2","1","1","1") = "6"
    & skf21("2","3","7","5","2","1","2","1") = "6"
    & skf21("2","3","7","5","2","1","3","1") = "6"
    & skf21("2","3","7","5","2","1","4","1") = "6"
    & skf21("2","3","7","5","2","1","5","1") = "6"
    & skf21("2","3","7","5","2","1","6","1") = "6"
    & skf21("2","3","7","5","2","1","7","1") = "6"
    & skf21("2","3","7","5","2","2","1","1") = "6"
    & skf21("2","3","7","5","2","2","2","1") = "6"
    & skf21("2","3","7","5","2","2","3","1") = "6"
    & skf21("2","3","7","5","2","2","4","1") = "6"
    & skf21("2","3","7","5","2","2","5","1") = "6"
    & skf21("2","3","7","5","2","2","6","1") = "6"
    & skf21("2","3","7","5","2","2","7","1") = "6"
    & skf21("2","3","7","5","2","3","1","1") = "6"
    & skf21("2","3","7","5","2","3","2","1") = "6"
    & skf21("2","3","7","5","2","3","3","1") = "6"
    & skf21("2","3","7","5","2","3","4","1") = "6"
    & skf21("2","3","7","5","2","3","5","1") = "6"
    & skf21("2","3","7","5","2","3","6","1") = "6"
    & skf21("2","3","7","5","2","3","7","1") = "6"
    & skf21("2","3","7","5","2","4","1","1") = "6"
    & skf21("2","3","7","5","2","4","2","1") = "6"
    & skf21("2","3","7","5","2","4","3","1") = "6"
    & skf21("2","3","7","5","2","4","4","1") = "6"
    & skf21("2","3","7","5","2","4","5","1") = "6"
    & skf21("2","3","7","5","2","4","6","1") = "6"
    & skf21("2","3","7","5","2","4","7","1") = "6"
    & skf21("2","3","7","5","2","5","1","1") = "6"
    & skf21("2","3","7","5","2","5","2","1") = "6"
    & skf21("2","3","7","5","2","5","3","1") = "6"
    & skf21("2","3","7","5","2","5","4","1") = "6"
    & skf21("2","3","7","5","2","5","5","1") = "6"
    & skf21("2","3","7","5","2","5","6","1") = "6"
    & skf21("2","3","7","5","2","5","7","1") = "6"
    & skf21("2","3","7","5","2","6","1","1") = "6"
    & skf21("2","3","7","5","2","6","2","1") = "6"
    & skf21("2","3","7","5","2","6","3","1") = "6"
    & skf21("2","3","7","5","2","6","4","1") = "6"
    & skf21("2","3","7","5","2","6","5","1") = "6"
    & skf21("2","3","7","5","2","6","6","1") = "6"
    & skf21("2","3","7","5","2","6","7","1") = "6"
    & skf21("2","3","7","5","2","7","1","1") = "6"
    & skf21("2","3","7","5","2","7","2","1") = "6"
    & skf21("2","3","7","5","2","7","3","1") = "6"
    & skf21("2","3","7","5","2","7","4","1") = "6"
    & skf21("2","3","7","5","2","7","5","1") = "6"
    & skf21("2","3","7","5","2","7","6","1") = "6"
    & skf21("2","3","7","5","2","7","7","1") = "6"
    & skf21("2","3","7","5","3","1","1","1") = "6"
    & skf21("2","3","7","5","3","1","2","1") = "6"
    & skf21("2","3","7","5","3","1","3","1") = "6"
    & skf21("2","3","7","5","3","1","4","1") = "6"
    & skf21("2","3","7","5","3","1","5","1") = "6"
    & skf21("2","3","7","5","3","1","6","1") = "6"
    & skf21("2","3","7","5","3","1","7","1") = "6"
    & skf21("2","3","7","5","3","2","1","1") = "6"
    & skf21("2","3","7","5","3","2","2","1") = "6"
    & skf21("2","3","7","5","3","2","3","1") = "6"
    & skf21("2","3","7","5","3","2","4","1") = "6"
    & skf21("2","3","7","5","3","2","5","1") = "6"
    & skf21("2","3","7","5","3","2","6","1") = "6"
    & skf21("2","3","7","5","3","2","7","1") = "6"
    & skf21("2","3","7","5","3","3","1","1") = "6"
    & skf21("2","3","7","5","3","3","2","1") = "6"
    & skf21("2","3","7","5","3","3","3","1") = "6"
    & skf21("2","3","7","5","3","3","4","1") = "6"
    & skf21("2","3","7","5","3","3","5","1") = "6"
    & skf21("2","3","7","5","3","3","6","1") = "6"
    & skf21("2","3","7","5","3","3","7","1") = "6"
    & skf21("2","3","7","5","3","4","1","1") = "6"
    & skf21("2","3","7","5","3","4","2","1") = "6"
    & skf21("2","3","7","5","3","4","3","1") = "6"
    & skf21("2","3","7","5","3","4","4","1") = "6"
    & skf21("2","3","7","5","3","4","5","1") = "6"
    & skf21("2","3","7","5","3","4","6","1") = "6"
    & skf21("2","3","7","5","3","4","7","1") = "6"
    & skf21("2","3","7","5","3","5","1","1") = "6"
    & skf21("2","3","7","5","3","5","2","1") = "6"
    & skf21("2","3","7","5","3","5","3","1") = "6"
    & skf21("2","3","7","5","3","5","4","1") = "6"
    & skf21("2","3","7","5","3","5","5","1") = "6"
    & skf21("2","3","7","5","3","5","6","1") = "6"
    & skf21("2","3","7","5","3","5","7","1") = "6"
    & skf21("2","3","7","5","3","6","1","1") = "6"
    & skf21("2","3","7","5","3","6","2","1") = "6"
    & skf21("2","3","7","5","3","6","3","1") = "6"
    & skf21("2","3","7","5","3","6","4","1") = "6"
    & skf21("2","3","7","5","3","6","5","1") = "6"
    & skf21("2","3","7","5","3","6","6","1") = "6"
    & skf21("2","3","7","5","3","6","7","1") = "6"
    & skf21("2","3","7","5","3","7","1","1") = "6"
    & skf21("2","3","7","5","3","7","2","1") = "6"
    & skf21("2","3","7","5","3","7","3","1") = "6"
    & skf21("2","3","7","5","3","7","4","1") = "6"
    & skf21("2","3","7","5","3","7","5","1") = "6"
    & skf21("2","3","7","5","3","7","6","1") = "6"
    & skf21("2","3","7","5","3","7","7","1") = "6"
    & skf21("2","3","7","5","4","1","1","1") = "6"
    & skf21("2","3","7","5","4","1","2","1") = "6"
    & skf21("2","3","7","5","4","1","3","1") = "6"
    & skf21("2","3","7","5","4","1","4","1") = "6"
    & skf21("2","3","7","5","4","1","5","1") = "6"
    & skf21("2","3","7","5","4","1","6","1") = "6"
    & skf21("2","3","7","5","4","1","7","1") = "6"
    & skf21("2","3","7","5","4","2","1","1") = "6"
    & skf21("2","3","7","5","4","2","2","1") = "6"
    & skf21("2","3","7","5","4","2","3","1") = "6"
    & skf21("2","3","7","5","4","2","4","1") = "6"
    & skf21("2","3","7","5","4","2","5","1") = "6"
    & skf21("2","3","7","5","4","2","6","1") = "6"
    & skf21("2","3","7","5","4","2","7","1") = "6"
    & skf21("2","3","7","5","4","3","1","1") = "6"
    & skf21("2","3","7","5","4","3","2","1") = "6"
    & skf21("2","3","7","5","4","3","3","1") = "6"
    & skf21("2","3","7","5","4","3","4","1") = "6"
    & skf21("2","3","7","5","4","3","5","1") = "6"
    & skf21("2","3","7","5","4","3","6","1") = "6"
    & skf21("2","3","7","5","4","3","7","1") = "6"
    & skf21("2","3","7","5","4","4","1","1") = "6"
    & skf21("2","3","7","5","4","4","2","1") = "6"
    & skf21("2","3","7","5","4","4","3","1") = "6"
    & skf21("2","3","7","5","4","4","4","1") = "6"
    & skf21("2","3","7","5","4","4","5","1") = "6"
    & skf21("2","3","7","5","4","4","6","1") = "6"
    & skf21("2","3","7","5","4","4","7","1") = "6"
    & skf21("2","3","7","5","4","5","1","1") = "6"
    & skf21("2","3","7","5","4","5","2","1") = "6"
    & skf21("2","3","7","5","4","5","3","1") = "6"
    & skf21("2","3","7","5","4","5","4","1") = "6"
    & skf21("2","3","7","5","4","5","5","1") = "6"
    & skf21("2","3","7","5","4","5","6","1") = "6"
    & skf21("2","3","7","5","4","5","7","1") = "6"
    & skf21("2","3","7","5","4","6","1","1") = "6"
    & skf21("2","3","7","5","4","6","2","1") = "6"
    & skf21("2","3","7","5","4","6","3","1") = "6"
    & skf21("2","3","7","5","4","6","4","1") = "6"
    & skf21("2","3","7","5","4","6","5","1") = "6"
    & skf21("2","3","7","5","4","6","6","1") = "6"
    & skf21("2","3","7","5","4","6","7","1") = "6"
    & skf21("2","3","7","5","4","7","1","1") = "6"
    & skf21("2","3","7","5","4","7","2","1") = "6"
    & skf21("2","3","7","5","4","7","3","1") = "6"
    & skf21("2","3","7","5","4","7","4","1") = "6"
    & skf21("2","3","7","5","4","7","5","1") = "6"
    & skf21("2","3","7","5","4","7","6","1") = "6"
    & skf21("2","3","7","5","4","7","7","1") = "6"
    & skf21("2","3","7","5","5","1","1","1") = "6"
    & skf21("2","3","7","5","5","1","2","1") = "6"
    & skf21("2","3","7","5","5","1","3","1") = "6"
    & skf21("2","3","7","5","5","1","4","1") = "6"
    & skf21("2","3","7","5","5","1","5","1") = "6"
    & skf21("2","3","7","5","5","1","6","1") = "6"
    & skf21("2","3","7","5","5","1","7","1") = "6"
    & skf21("2","3","7","5","5","2","1","1") = "6"
    & skf21("2","3","7","5","5","2","2","1") = "6"
    & skf21("2","3","7","5","5","2","3","1") = "6"
    & skf21("2","3","7","5","5","2","4","1") = "6"
    & skf21("2","3","7","5","5","2","5","1") = "6"
    & skf21("2","3","7","5","5","2","6","1") = "6"
    & skf21("2","3","7","5","5","2","7","1") = "6"
    & skf21("2","3","7","5","5","3","1","1") = "6"
    & skf21("2","3","7","5","5","3","2","1") = "6"
    & skf21("2","3","7","5","5","3","3","1") = "6"
    & skf21("2","3","7","5","5","3","4","1") = "6"
    & skf21("2","3","7","5","5","3","5","1") = "6"
    & skf21("2","3","7","5","5","3","6","1") = "6"
    & skf21("2","3","7","5","5","3","7","1") = "6"
    & skf21("2","3","7","5","5","4","1","1") = "6"
    & skf21("2","3","7","5","5","4","2","1") = "6"
    & skf21("2","3","7","5","5","4","3","1") = "6"
    & skf21("2","3","7","5","5","4","4","1") = "6"
    & skf21("2","3","7","5","5","4","5","1") = "6"
    & skf21("2","3","7","5","5","4","6","1") = "6"
    & skf21("2","3","7","5","5","4","7","1") = "6"
    & skf21("2","3","7","5","5","5","1","1") = "6"
    & skf21("2","3","7","5","5","5","2","1") = "6"
    & skf21("2","3","7","5","5","5","3","1") = "6"
    & skf21("2","3","7","5","5","5","4","1") = "6"
    & skf21("2","3","7","5","5","5","5","1") = "6"
    & skf21("2","3","7","5","5","5","6","1") = "6"
    & skf21("2","3","7","5","5","5","7","1") = "6"
    & skf21("2","3","7","5","5","6","1","1") = "6"
    & skf21("2","3","7","5","5","6","2","1") = "6"
    & skf21("2","3","7","5","5","6","3","1") = "6"
    & skf21("2","3","7","5","5","6","4","1") = "6"
    & skf21("2","3","7","5","5","6","5","1") = "6"
    & skf21("2","3","7","5","5","6","6","1") = "6"
    & skf21("2","3","7","5","5","6","7","1") = "6"
    & skf21("2","3","7","5","5","7","1","1") = "6"
    & skf21("2","3","7","5","5","7","2","1") = "6"
    & skf21("2","3","7","5","5","7","3","1") = "6"
    & skf21("2","3","7","5","5","7","4","1") = "6"
    & skf21("2","3","7","5","5","7","5","1") = "6"
    & skf21("2","3","7","5","5","7","6","1") = "6"
    & skf21("2","3","7","5","5","7","7","1") = "6"
    & skf21("2","3","7","5","6","1","1","1") = "6"
    & skf21("2","3","7","5","6","1","2","1") = "6"
    & skf21("2","3","7","5","6","1","3","1") = "6"
    & skf21("2","3","7","5","6","1","4","1") = "6"
    & skf21("2","3","7","5","6","1","5","1") = "6"
    & skf21("2","3","7","5","6","1","6","1") = "6"
    & skf21("2","3","7","5","6","1","7","1") = "6"
    & skf21("2","3","7","5","6","2","1","1") = "6"
    & skf21("2","3","7","5","6","2","2","1") = "6"
    & skf21("2","3","7","5","6","2","3","1") = "6"
    & skf21("2","3","7","5","6","2","4","1") = "6"
    & skf21("2","3","7","5","6","2","5","1") = "6"
    & skf21("2","3","7","5","6","2","6","1") = "6"
    & skf21("2","3","7","5","6","2","7","1") = "6"
    & skf21("2","3","7","5","6","3","1","1") = "6"
    & skf21("2","3","7","5","6","3","2","1") = "6"
    & skf21("2","3","7","5","6","3","3","1") = "6"
    & skf21("2","3","7","5","6","3","4","1") = "6"
    & skf21("2","3","7","5","6","3","5","1") = "6"
    & skf21("2","3","7","5","6","3","6","1") = "6"
    & skf21("2","3","7","5","6","3","7","1") = "6"
    & skf21("2","3","7","5","6","4","1","1") = "6"
    & skf21("2","3","7","5","6","4","2","1") = "6"
    & skf21("2","3","7","5","6","4","3","1") = "6"
    & skf21("2","3","7","5","6","4","4","1") = "6"
    & skf21("2","3","7","5","6","4","5","1") = "6"
    & skf21("2","3","7","5","6","4","6","1") = "6"
    & skf21("2","3","7","5","6","4","7","1") = "6"
    & skf21("2","3","7","5","6","5","1","1") = "6"
    & skf21("2","3","7","5","6","5","2","1") = "6"
    & skf21("2","3","7","5","6","5","3","1") = "6"
    & skf21("2","3","7","5","6","5","4","1") = "6"
    & skf21("2","3","7","5","6","5","5","1") = "6"
    & skf21("2","3","7","5","6","5","6","1") = "6"
    & skf21("2","3","7","5","6","5","7","1") = "6"
    & skf21("2","3","7","5","6","6","1","1") = "6"
    & skf21("2","3","7","5","6","6","2","1") = "6"
    & skf21("2","3","7","5","6","6","3","1") = "6"
    & skf21("2","3","7","5","6","6","4","1") = "6"
    & skf21("2","3","7","5","6","6","5","1") = "6"
    & skf21("2","3","7","5","6","6","6","1") = "6"
    & skf21("2","3","7","5","6","6","7","1") = "6"
    & skf21("2","3","7","5","6","7","1","1") = "6"
    & skf21("2","3","7","5","6","7","2","1") = "6"
    & skf21("2","3","7","5","6","7","3","1") = "6"
    & skf21("2","3","7","5","6","7","4","1") = "6"
    & skf21("2","3","7","5","6","7","5","1") = "6"
    & skf21("2","3","7","5","6","7","6","1") = "6"
    & skf21("2","3","7","5","6","7","7","1") = "6"
    & skf21("2","3","7","5","7","1","1","1") = "6"
    & skf21("2","3","7","5","7","1","2","1") = "6"
    & skf21("2","3","7","5","7","1","3","1") = "6"
    & skf21("2","3","7","5","7","1","4","1") = "6"
    & skf21("2","3","7","5","7","1","5","1") = "6"
    & skf21("2","3","7","5","7","1","6","1") = "6"
    & skf21("2","3","7","5","7","1","7","1") = "6"
    & skf21("2","3","7","5","7","2","1","1") = "6"
    & skf21("2","3","7","5","7","2","2","1") = "6"
    & skf21("2","3","7","5","7","2","3","1") = "6"
    & skf21("2","3","7","5","7","2","4","1") = "6"
    & skf21("2","3","7","5","7","2","5","1") = "6"
    & skf21("2","3","7","5","7","2","6","1") = "6"
    & skf21("2","3","7","5","7","2","7","1") = "6"
    & skf21("2","3","7","5","7","3","1","1") = "6"
    & skf21("2","3","7","5","7","3","2","1") = "6"
    & skf21("2","3","7","5","7","3","3","1") = "6"
    & skf21("2","3","7","5","7","3","4","1") = "6"
    & skf21("2","3","7","5","7","3","5","1") = "6"
    & skf21("2","3","7","5","7","3","6","1") = "6"
    & skf21("2","3","7","5","7","3","7","1") = "6"
    & skf21("2","3","7","5","7","4","1","1") = "6"
    & skf21("2","3","7","5","7","4","2","1") = "6"
    & skf21("2","3","7","5","7","4","3","1") = "6"
    & skf21("2","3","7","5","7","4","4","1") = "6"
    & skf21("2","3","7","5","7","4","5","1") = "6"
    & skf21("2","3","7","5","7","4","6","1") = "6"
    & skf21("2","3","7","5","7","4","7","1") = "6"
    & skf21("2","3","7","5","7","5","1","1") = "6"
    & skf21("2","3","7","5","7","5","2","1") = "6"
    & skf21("2","3","7","5","7","5","3","1") = "6"
    & skf21("2","3","7","5","7","5","4","1") = "6"
    & skf21("2","3","7","5","7","5","5","1") = "6"
    & skf21("2","3","7","5","7","5","6","1") = "6"
    & skf21("2","3","7","5","7","5","7","1") = "6"
    & skf21("2","3","7","5","7","6","1","1") = "6"
    & skf21("2","3","7","5","7","6","2","1") = "6"
    & skf21("2","3","7","5","7","6","3","1") = "6"
    & skf21("2","3","7","5","7","6","4","1") = "6"
    & skf21("2","3","7","5","7","6","5","1") = "6"
    & skf21("2","3","7","5","7","6","6","1") = "6"
    & skf21("2","3","7","5","7","6","7","1") = "6"
    & skf21("2","3","7","5","7","7","1","1") = "6"
    & skf21("2","3","7","5","7","7","2","1") = "6"
    & skf21("2","3","7","5","7","7","3","1") = "6"
    & skf21("2","3","7","5","7","7","4","1") = "6"
    & skf21("2","3","7","5","7","7","5","1") = "6"
    & skf21("2","3","7","5","7","7","6","1") = "6"
    & skf21("2","3","7","5","7","7","7","1") = "6"
    & skf21("2","3","7","6","1","1","1","1") = "6"
    & skf21("2","3","7","6","1","1","2","1") = "6"
    & skf21("2","3","7","6","1","1","3","1") = "6"
    & skf21("2","3","7","6","1","1","4","1") = "6"
    & skf21("2","3","7","6","1","1","5","1") = "6"
    & skf21("2","3","7","6","1","1","6","1") = "6"
    & skf21("2","3","7","6","1","1","7","1") = "6"
    & skf21("2","3","7","6","1","2","1","1") = "6"
    & skf21("2","3","7","6","1","2","2","1") = "6"
    & skf21("2","3","7","6","1","2","3","1") = "6"
    & skf21("2","3","7","6","1","2","4","1") = "6"
    & skf21("2","3","7","6","1","2","5","1") = "6"
    & skf21("2","3","7","6","1","2","6","1") = "6"
    & skf21("2","3","7","6","1","2","7","1") = "6"
    & skf21("2","3","7","6","1","3","1","1") = "6"
    & skf21("2","3","7","6","1","3","2","1") = "6"
    & skf21("2","3","7","6","1","3","3","1") = "6"
    & skf21("2","3","7","6","1","3","4","1") = "6"
    & skf21("2","3","7","6","1","3","5","1") = "6"
    & skf21("2","3","7","6","1","3","6","1") = "6"
    & skf21("2","3","7","6","1","3","7","1") = "6"
    & skf21("2","3","7","6","1","4","1","1") = "6"
    & skf21("2","3","7","6","1","4","2","1") = "6"
    & skf21("2","3","7","6","1","4","3","1") = "6"
    & skf21("2","3","7","6","1","4","4","1") = "6"
    & skf21("2","3","7","6","1","4","5","1") = "6"
    & skf21("2","3","7","6","1","4","6","1") = "6"
    & skf21("2","3","7","6","1","4","7","1") = "6"
    & skf21("2","3","7","6","1","5","1","1") = "6"
    & skf21("2","3","7","6","1","5","2","1") = "6"
    & skf21("2","3","7","6","1","5","3","1") = "6"
    & skf21("2","3","7","6","1","5","4","1") = "6"
    & skf21("2","3","7","6","1","5","5","1") = "6"
    & skf21("2","3","7","6","1","5","6","1") = "6"
    & skf21("2","3","7","6","1","5","7","1") = "6"
    & skf21("2","3","7","6","1","6","1","1") = "6"
    & skf21("2","3","7","6","1","6","2","1") = "6"
    & skf21("2","3","7","6","1","6","3","1") = "6"
    & skf21("2","3","7","6","1","6","4","1") = "6"
    & skf21("2","3","7","6","1","6","5","1") = "6"
    & skf21("2","3","7","6","1","6","6","1") = "6"
    & skf21("2","3","7","6","1","6","7","1") = "6"
    & skf21("2","3","7","6","1","7","1","1") = "6"
    & skf21("2","3","7","6","1","7","2","1") = "6"
    & skf21("2","3","7","6","1","7","3","1") = "6"
    & skf21("2","3","7","6","1","7","4","1") = "6"
    & skf21("2","3","7","6","1","7","5","1") = "6"
    & skf21("2","3","7","6","1","7","6","1") = "6"
    & skf21("2","3","7","6","1","7","7","1") = "6"
    & skf21("2","3","7","6","2","1","1","1") = "6"
    & skf21("2","3","7","6","2","1","2","1") = "6"
    & skf21("2","3","7","6","2","1","3","1") = "6"
    & skf21("2","3","7","6","2","1","4","1") = "6"
    & skf21("2","3","7","6","2","1","5","1") = "6"
    & skf21("2","3","7","6","2","1","6","1") = "6"
    & skf21("2","3","7","6","2","1","7","1") = "6"
    & skf21("2","3","7","6","2","2","1","1") = "6"
    & skf21("2","3","7","6","2","2","2","1") = "6"
    & skf21("2","3","7","6","2","2","3","1") = "6"
    & skf21("2","3","7","6","2","2","4","1") = "6"
    & skf21("2","3","7","6","2","2","5","1") = "6"
    & skf21("2","3","7","6","2","2","6","1") = "6"
    & skf21("2","3","7","6","2","2","7","1") = "6"
    & skf21("2","3","7","6","2","3","1","1") = "6"
    & skf21("2","3","7","6","2","3","2","1") = "6"
    & skf21("2","3","7","6","2","3","3","1") = "6"
    & skf21("2","3","7","6","2","3","4","1") = "6"
    & skf21("2","3","7","6","2","3","5","1") = "6"
    & skf21("2","3","7","6","2","3","6","1") = "6"
    & skf21("2","3","7","6","2","3","7","1") = "6"
    & skf21("2","3","7","6","2","4","1","1") = "6"
    & skf21("2","3","7","6","2","4","2","1") = "6"
    & skf21("2","3","7","6","2","4","3","1") = "6"
    & skf21("2","3","7","6","2","4","4","1") = "6"
    & skf21("2","3","7","6","2","4","5","1") = "6"
    & skf21("2","3","7","6","2","4","6","1") = "6"
    & skf21("2","3","7","6","2","4","7","1") = "6"
    & skf21("2","3","7","6","2","5","1","1") = "6"
    & skf21("2","3","7","6","2","5","2","1") = "6"
    & skf21("2","3","7","6","2","5","3","1") = "6"
    & skf21("2","3","7","6","2","5","4","1") = "6"
    & skf21("2","3","7","6","2","5","5","1") = "6"
    & skf21("2","3","7","6","2","5","6","1") = "6"
    & skf21("2","3","7","6","2","5","7","1") = "6"
    & skf21("2","3","7","6","2","6","1","1") = "6"
    & skf21("2","3","7","6","2","6","2","1") = "6"
    & skf21("2","3","7","6","2","6","3","1") = "6"
    & skf21("2","3","7","6","2","6","4","1") = "6"
    & skf21("2","3","7","6","2","6","5","1") = "6"
    & skf21("2","3","7","6","2","6","6","1") = "6"
    & skf21("2","3","7","6","2","6","7","1") = "6"
    & skf21("2","3","7","6","2","7","1","1") = "6"
    & skf21("2","3","7","6","2","7","2","1") = "6"
    & skf21("2","3","7","6","2","7","3","1") = "6"
    & skf21("2","3","7","6","2","7","4","1") = "6"
    & skf21("2","3","7","6","2","7","5","1") = "6"
    & skf21("2","3","7","6","2","7","6","1") = "6"
    & skf21("2","3","7","6","2","7","7","1") = "6"
    & skf21("2","3","7","6","3","1","1","1") = "6"
    & skf21("2","3","7","6","3","1","2","1") = "6"
    & skf21("2","3","7","6","3","1","3","1") = "6"
    & skf21("2","3","7","6","3","1","4","1") = "6"
    & skf21("2","3","7","6","3","1","5","1") = "6"
    & skf21("2","3","7","6","3","1","6","1") = "6"
    & skf21("2","3","7","6","3","1","7","1") = "6"
    & skf21("2","3","7","6","3","2","1","1") = "6"
    & skf21("2","3","7","6","3","2","2","1") = "6"
    & skf21("2","3","7","6","3","2","3","1") = "6"
    & skf21("2","3","7","6","3","2","4","1") = "6"
    & skf21("2","3","7","6","3","2","5","1") = "6"
    & skf21("2","3","7","6","3","2","6","1") = "6"
    & skf21("2","3","7","6","3","2","7","1") = "6"
    & skf21("2","3","7","6","3","3","1","1") = "6"
    & skf21("2","3","7","6","3","3","2","1") = "6"
    & skf21("2","3","7","6","3","3","3","1") = "6"
    & skf21("2","3","7","6","3","3","4","1") = "6"
    & skf21("2","3","7","6","3","3","5","1") = "6"
    & skf21("2","3","7","6","3","3","6","1") = "6"
    & skf21("2","3","7","6","3","3","7","1") = "6"
    & skf21("2","3","7","6","3","4","1","1") = "6"
    & skf21("2","3","7","6","3","4","2","1") = "6"
    & skf21("2","3","7","6","3","4","3","1") = "6"
    & skf21("2","3","7","6","3","4","4","1") = "6"
    & skf21("2","3","7","6","3","4","5","1") = "6"
    & skf21("2","3","7","6","3","4","6","1") = "6"
    & skf21("2","3","7","6","3","4","7","1") = "6"
    & skf21("2","3","7","6","3","5","1","1") = "6"
    & skf21("2","3","7","6","3","5","2","1") = "6"
    & skf21("2","3","7","6","3","5","3","1") = "6"
    & skf21("2","3","7","6","3","5","4","1") = "6"
    & skf21("2","3","7","6","3","5","5","1") = "6"
    & skf21("2","3","7","6","3","5","6","1") = "6"
    & skf21("2","3","7","6","3","5","7","1") = "6"
    & skf21("2","3","7","6","3","6","1","1") = "6"
    & skf21("2","3","7","6","3","6","2","1") = "6"
    & skf21("2","3","7","6","3","6","3","1") = "6"
    & skf21("2","3","7","6","3","6","4","1") = "6"
    & skf21("2","3","7","6","3","6","5","1") = "6"
    & skf21("2","3","7","6","3","6","6","1") = "6"
    & skf21("2","3","7","6","3","6","7","1") = "6"
    & skf21("2","3","7","6","3","7","1","1") = "6"
    & skf21("2","3","7","6","3","7","2","1") = "6"
    & skf21("2","3","7","6","3","7","3","1") = "6"
    & skf21("2","3","7","6","3","7","4","1") = "6"
    & skf21("2","3","7","6","3","7","5","1") = "6"
    & skf21("2","3","7","6","3","7","6","1") = "6"
    & skf21("2","3","7","6","3","7","7","1") = "6"
    & skf21("2","3","7","6","4","1","1","1") = "6"
    & skf21("2","3","7","6","4","1","2","1") = "6"
    & skf21("2","3","7","6","4","1","3","1") = "6"
    & skf21("2","3","7","6","4","1","4","1") = "6"
    & skf21("2","3","7","6","4","1","5","1") = "6"
    & skf21("2","3","7","6","4","1","6","1") = "6"
    & skf21("2","3","7","6","4","1","7","1") = "6"
    & skf21("2","3","7","6","4","2","1","1") = "6"
    & skf21("2","3","7","6","4","2","2","1") = "6"
    & skf21("2","3","7","6","4","2","3","1") = "6"
    & skf21("2","3","7","6","4","2","4","1") = "6"
    & skf21("2","3","7","6","4","2","5","1") = "6"
    & skf21("2","3","7","6","4","2","6","1") = "6"
    & skf21("2","3","7","6","4","2","7","1") = "6"
    & skf21("2","3","7","6","4","3","1","1") = "6"
    & skf21("2","3","7","6","4","3","2","1") = "6"
    & skf21("2","3","7","6","4","3","3","1") = "6"
    & skf21("2","3","7","6","4","3","4","1") = "6"
    & skf21("2","3","7","6","4","3","5","1") = "6"
    & skf21("2","3","7","6","4","3","6","1") = "6"
    & skf21("2","3","7","6","4","3","7","1") = "6"
    & skf21("2","3","7","6","4","4","1","1") = "6"
    & skf21("2","3","7","6","4","4","2","1") = "6"
    & skf21("2","3","7","6","4","4","3","1") = "6"
    & skf21("2","3","7","6","4","4","4","1") = "6"
    & skf21("2","3","7","6","4","4","5","1") = "6"
    & skf21("2","3","7","6","4","4","6","1") = "6"
    & skf21("2","3","7","6","4","4","7","1") = "6"
    & skf21("2","3","7","6","4","5","1","1") = "6"
    & skf21("2","3","7","6","4","5","2","1") = "6"
    & skf21("2","3","7","6","4","5","3","1") = "6"
    & skf21("2","3","7","6","4","5","4","1") = "6"
    & skf21("2","3","7","6","4","5","5","1") = "6"
    & skf21("2","3","7","6","4","5","6","1") = "6"
    & skf21("2","3","7","6","4","5","7","1") = "6"
    & skf21("2","3","7","6","4","6","1","1") = "6"
    & skf21("2","3","7","6","4","6","2","1") = "6"
    & skf21("2","3","7","6","4","6","3","1") = "6"
    & skf21("2","3","7","6","4","6","4","1") = "6"
    & skf21("2","3","7","6","4","6","5","1") = "6"
    & skf21("2","3","7","6","4","6","6","1") = "6"
    & skf21("2","3","7","6","4","6","7","1") = "6"
    & skf21("2","3","7","6","4","7","1","1") = "6"
    & skf21("2","3","7","6","4","7","2","1") = "6"
    & skf21("2","3","7","6","4","7","3","1") = "6"
    & skf21("2","3","7","6","4","7","4","1") = "6"
    & skf21("2","3","7","6","4","7","5","1") = "6"
    & skf21("2","3","7","6","4","7","6","1") = "6"
    & skf21("2","3","7","6","4","7","7","1") = "6"
    & skf21("2","3","7","6","5","1","1","1") = "6"
    & skf21("2","3","7","6","5","1","2","1") = "6"
    & skf21("2","3","7","6","5","1","3","1") = "6"
    & skf21("2","3","7","6","5","1","4","1") = "6"
    & skf21("2","3","7","6","5","1","5","1") = "6"
    & skf21("2","3","7","6","5","1","6","1") = "6"
    & skf21("2","3","7","6","5","1","7","1") = "6"
    & skf21("2","3","7","6","5","2","1","1") = "6"
    & skf21("2","3","7","6","5","2","2","1") = "6"
    & skf21("2","3","7","6","5","2","3","1") = "6"
    & skf21("2","3","7","6","5","2","4","1") = "6"
    & skf21("2","3","7","6","5","2","5","1") = "6"
    & skf21("2","3","7","6","5","2","6","1") = "6"
    & skf21("2","3","7","6","5","2","7","1") = "6"
    & skf21("2","3","7","6","5","3","1","1") = "6"
    & skf21("2","3","7","6","5","3","2","1") = "6"
    & skf21("2","3","7","6","5","3","3","1") = "6"
    & skf21("2","3","7","6","5","3","4","1") = "6"
    & skf21("2","3","7","6","5","3","5","1") = "6"
    & skf21("2","3","7","6","5","3","6","1") = "6"
    & skf21("2","3","7","6","5","3","7","1") = "6"
    & skf21("2","3","7","6","5","4","1","1") = "6"
    & skf21("2","3","7","6","5","4","2","1") = "6"
    & skf21("2","3","7","6","5","4","3","1") = "6"
    & skf21("2","3","7","6","5","4","4","1") = "6"
    & skf21("2","3","7","6","5","4","5","1") = "6"
    & skf21("2","3","7","6","5","4","6","1") = "6"
    & skf21("2","3","7","6","5","4","7","1") = "6"
    & skf21("2","3","7","6","5","5","1","1") = "6"
    & skf21("2","3","7","6","5","5","2","1") = "6"
    & skf21("2","3","7","6","5","5","3","1") = "6"
    & skf21("2","3","7","6","5","5","4","1") = "6"
    & skf21("2","3","7","6","5","5","5","1") = "6"
    & skf21("2","3","7","6","5","5","6","1") = "6"
    & skf21("2","3","7","6","5","5","7","1") = "6"
    & skf21("2","3","7","6","5","6","1","1") = "6"
    & skf21("2","3","7","6","5","6","2","1") = "6"
    & skf21("2","3","7","6","5","6","3","1") = "6"
    & skf21("2","3","7","6","5","6","4","1") = "6"
    & skf21("2","3","7","6","5","6","5","1") = "6"
    & skf21("2","3","7","6","5","6","6","1") = "6"
    & skf21("2","3","7","6","5","6","7","1") = "6"
    & skf21("2","3","7","6","5","7","1","1") = "6"
    & skf21("2","3","7","6","5","7","2","1") = "6"
    & skf21("2","3","7","6","5","7","3","1") = "6"
    & skf21("2","3","7","6","5","7","4","1") = "6"
    & skf21("2","3","7","6","5","7","5","1") = "6"
    & skf21("2","3","7","6","5","7","6","1") = "6"
    & skf21("2","3","7","6","5","7","7","1") = "6"
    & skf21("2","3","7","6","6","1","1","1") = "6"
    & skf21("2","3","7","6","6","1","2","1") = "6"
    & skf21("2","3","7","6","6","1","3","1") = "6"
    & skf21("2","3","7","6","6","1","4","1") = "6"
    & skf21("2","3","7","6","6","1","5","1") = "6"
    & skf21("2","3","7","6","6","1","6","1") = "6"
    & skf21("2","3","7","6","6","1","7","1") = "6"
    & skf21("2","3","7","6","6","2","1","1") = "6"
    & skf21("2","3","7","6","6","2","2","1") = "6"
    & skf21("2","3","7","6","6","2","3","1") = "6"
    & skf21("2","3","7","6","6","2","4","1") = "6"
    & skf21("2","3","7","6","6","2","5","1") = "6"
    & skf21("2","3","7","6","6","2","6","1") = "6"
    & skf21("2","3","7","6","6","2","7","1") = "6"
    & skf21("2","3","7","6","6","3","1","1") = "6"
    & skf21("2","3","7","6","6","3","2","1") = "6"
    & skf21("2","3","7","6","6","3","3","1") = "6"
    & skf21("2","3","7","6","6","3","4","1") = "6"
    & skf21("2","3","7","6","6","3","5","1") = "6"
    & skf21("2","3","7","6","6","3","6","1") = "6"
    & skf21("2","3","7","6","6","3","7","1") = "6"
    & skf21("2","3","7","6","6","4","1","1") = "6"
    & skf21("2","3","7","6","6","4","2","1") = "6"
    & skf21("2","3","7","6","6","4","3","1") = "6"
    & skf21("2","3","7","6","6","4","4","1") = "6"
    & skf21("2","3","7","6","6","4","5","1") = "6"
    & skf21("2","3","7","6","6","4","6","1") = "6"
    & skf21("2","3","7","6","6","4","7","1") = "6"
    & skf21("2","3","7","6","6","5","1","1") = "6"
    & skf21("2","3","7","6","6","5","2","1") = "6"
    & skf21("2","3","7","6","6","5","3","1") = "6"
    & skf21("2","3","7","6","6","5","4","1") = "6"
    & skf21("2","3","7","6","6","5","5","1") = "6"
    & skf21("2","3","7","6","6","5","6","1") = "6"
    & skf21("2","3","7","6","6","5","7","1") = "6"
    & skf21("2","3","7","6","6","6","1","1") = "6"
    & skf21("2","3","7","6","6","6","2","1") = "6"
    & skf21("2","3","7","6","6","6","3","1") = "6"
    & skf21("2","3","7","6","6","6","4","1") = "6"
    & skf21("2","3","7","6","6","6","5","1") = "6"
    & skf21("2","3","7","6","6","6","6","1") = "6"
    & skf21("2","3","7","6","6","6","7","1") = "6"
    & skf21("2","3","7","6","6","7","1","1") = "6"
    & skf21("2","3","7","6","6","7","2","1") = "6"
    & skf21("2","3","7","6","6","7","3","1") = "6"
    & skf21("2","3","7","6","6","7","4","1") = "6"
    & skf21("2","3","7","6","6","7","5","1") = "6"
    & skf21("2","3","7","6","6","7","6","1") = "6"
    & skf21("2","3","7","6","6","7","7","1") = "6"
    & skf21("2","3","7","6","7","1","1","1") = "6"
    & skf21("2","3","7","6","7","1","2","1") = "6"
    & skf21("2","3","7","6","7","1","3","1") = "6"
    & skf21("2","3","7","6","7","1","4","1") = "6"
    & skf21("2","3","7","6","7","1","5","1") = "6"
    & skf21("2","3","7","6","7","1","6","1") = "6"
    & skf21("2","3","7","6","7","1","7","1") = "6"
    & skf21("2","3","7","6","7","2","1","1") = "6"
    & skf21("2","3","7","6","7","2","2","1") = "6"
    & skf21("2","3","7","6","7","2","3","1") = "6"
    & skf21("2","3","7","6","7","2","4","1") = "6"
    & skf21("2","3","7","6","7","2","5","1") = "6"
    & skf21("2","3","7","6","7","2","6","1") = "6"
    & skf21("2","3","7","6","7","2","7","1") = "6"
    & skf21("2","3","7","6","7","3","1","1") = "6"
    & skf21("2","3","7","6","7","3","2","1") = "6"
    & skf21("2","3","7","6","7","3","3","1") = "6"
    & skf21("2","3","7","6","7","3","4","1") = "6"
    & skf21("2","3","7","6","7","3","5","1") = "6"
    & skf21("2","3","7","6","7","3","6","1") = "6"
    & skf21("2","3","7","6","7","3","7","1") = "6"
    & skf21("2","3","7","6","7","4","1","1") = "6"
    & skf21("2","3","7","6","7","4","2","1") = "6"
    & skf21("2","3","7","6","7","4","3","1") = "6"
    & skf21("2","3","7","6","7","4","4","1") = "6"
    & skf21("2","3","7","6","7","4","5","1") = "6"
    & skf21("2","3","7","6","7","4","6","1") = "6"
    & skf21("2","3","7","6","7","4","7","1") = "6"
    & skf21("2","3","7","6","7","5","1","1") = "6"
    & skf21("2","3","7","6","7","5","2","1") = "6"
    & skf21("2","3","7","6","7","5","3","1") = "6"
    & skf21("2","3","7","6","7","5","4","1") = "6"
    & skf21("2","3","7","6","7","5","5","1") = "6"
    & skf21("2","3","7","6","7","5","6","1") = "6"
    & skf21("2","3","7","6","7","5","7","1") = "6"
    & skf21("2","3","7","6","7","6","1","1") = "6"
    & skf21("2","3","7","6","7","6","2","1") = "6"
    & skf21("2","3","7","6","7","6","3","1") = "6"
    & skf21("2","3","7","6","7","6","4","1") = "6"
    & skf21("2","3","7","6","7","6","5","1") = "6"
    & skf21("2","3","7","6","7","6","6","1") = "6"
    & skf21("2","3","7","6","7","6","7","1") = "6"
    & skf21("2","3","7","6","7","7","1","1") = "6"
    & skf21("2","3","7","6","7","7","2","1") = "6"
    & skf21("2","3","7","6","7","7","3","1") = "6"
    & skf21("2","3","7","6","7","7","4","1") = "6"
    & skf21("2","3","7","6","7","7","5","1") = "6"
    & skf21("2","3","7","6","7","7","6","1") = "6"
    & skf21("2","3","7","6","7","7","7","1") = "6"
    & skf21("2","3","7","7","1","1","1","1") = "6"
    & skf21("2","3","7","7","1","1","2","1") = "6"
    & skf21("2","3","7","7","1","1","3","1") = "6"
    & skf21("2","3","7","7","1","1","4","1") = "6"
    & skf21("2","3","7","7","1","1","5","1") = "6"
    & skf21("2","3","7","7","1","1","6","1") = "6"
    & skf21("2","3","7","7","1","1","7","1") = "6"
    & skf21("2","3","7","7","1","2","1","1") = "6"
    & skf21("2","3","7","7","1","2","2","1") = "6"
    & skf21("2","3","7","7","1","2","3","1") = "6"
    & skf21("2","3","7","7","1","2","4","1") = "6"
    & skf21("2","3","7","7","1","2","5","1") = "6"
    & skf21("2","3","7","7","1","2","6","1") = "6"
    & skf21("2","3","7","7","1","2","7","1") = "6"
    & skf21("2","3","7","7","1","3","1","1") = "6"
    & skf21("2","3","7","7","1","3","2","1") = "6"
    & skf21("2","3","7","7","1","3","3","1") = "6"
    & skf21("2","3","7","7","1","3","4","1") = "6"
    & skf21("2","3","7","7","1","3","5","1") = "6"
    & skf21("2","3","7","7","1","3","6","1") = "6"
    & skf21("2","3","7","7","1","3","7","1") = "6"
    & skf21("2","3","7","7","1","4","1","1") = "6"
    & skf21("2","3","7","7","1","4","2","1") = "6"
    & skf21("2","3","7","7","1","4","3","1") = "6"
    & skf21("2","3","7","7","1","4","4","1") = "6"
    & skf21("2","3","7","7","1","4","5","1") = "6"
    & skf21("2","3","7","7","1","4","6","1") = "6"
    & skf21("2","3","7","7","1","4","7","1") = "6"
    & skf21("2","3","7","7","1","5","1","1") = "6"
    & skf21("2","3","7","7","1","5","2","1") = "6"
    & skf21("2","3","7","7","1","5","3","1") = "6"
    & skf21("2","3","7","7","1","5","4","1") = "6"
    & skf21("2","3","7","7","1","5","5","1") = "6"
    & skf21("2","3","7","7","1","5","6","1") = "6"
    & skf21("2","3","7","7","1","5","7","1") = "6"
    & skf21("2","3","7","7","1","6","1","1") = "6"
    & skf21("2","3","7","7","1","6","2","1") = "6"
    & skf21("2","3","7","7","1","6","3","1") = "6"
    & skf21("2","3","7","7","1","6","4","1") = "6"
    & skf21("2","3","7","7","1","6","5","1") = "6"
    & skf21("2","3","7","7","1","6","6","1") = "6"
    & skf21("2","3","7","7","1","6","7","1") = "6"
    & skf21("2","3","7","7","1","7","1","1") = "6"
    & skf21("2","3","7","7","1","7","2","1") = "6"
    & skf21("2","3","7","7","1","7","3","1") = "6"
    & skf21("2","3","7","7","1","7","4","1") = "6"
    & skf21("2","3","7","7","1","7","5","1") = "6"
    & skf21("2","3","7","7","1","7","6","1") = "6"
    & skf21("2","3","7","7","1","7","7","1") = "6"
    & skf21("2","3","7","7","2","1","1","1") = "6"
    & skf21("2","3","7","7","2","1","2","1") = "6"
    & skf21("2","3","7","7","2","1","3","1") = "6"
    & skf21("2","3","7","7","2","1","4","1") = "6"
    & skf21("2","3","7","7","2","1","5","1") = "6"
    & skf21("2","3","7","7","2","1","6","1") = "6"
    & skf21("2","3","7","7","2","1","7","1") = "6"
    & skf21("2","3","7","7","2","2","1","1") = "6"
    & skf21("2","3","7","7","2","2","2","1") = "6"
    & skf21("2","3","7","7","2","2","3","1") = "6"
    & skf21("2","3","7","7","2","2","4","1") = "6"
    & skf21("2","3","7","7","2","2","5","1") = "6"
    & skf21("2","3","7","7","2","2","6","1") = "6"
    & skf21("2","3","7","7","2","2","7","1") = "6"
    & skf21("2","3","7","7","2","3","1","1") = "6"
    & skf21("2","3","7","7","2","3","2","1") = "6"
    & skf21("2","3","7","7","2","3","3","1") = "6"
    & skf21("2","3","7","7","2","3","4","1") = "6"
    & skf21("2","3","7","7","2","3","5","1") = "6"
    & skf21("2","3","7","7","2","3","6","1") = "6"
    & skf21("2","3","7","7","2","3","7","1") = "6"
    & skf21("2","3","7","7","2","4","1","1") = "6"
    & skf21("2","3","7","7","2","4","2","1") = "6"
    & skf21("2","3","7","7","2","4","3","1") = "6"
    & skf21("2","3","7","7","2","4","4","1") = "6"
    & skf21("2","3","7","7","2","4","5","1") = "6"
    & skf21("2","3","7","7","2","4","6","1") = "6"
    & skf21("2","3","7","7","2","4","7","1") = "6"
    & skf21("2","3","7","7","2","5","1","1") = "6"
    & skf21("2","3","7","7","2","5","2","1") = "6"
    & skf21("2","3","7","7","2","5","3","1") = "6"
    & skf21("2","3","7","7","2","5","4","1") = "6"
    & skf21("2","3","7","7","2","5","5","1") = "6"
    & skf21("2","3","7","7","2","5","6","1") = "6"
    & skf21("2","3","7","7","2","5","7","1") = "6"
    & skf21("2","3","7","7","2","6","1","1") = "6"
    & skf21("2","3","7","7","2","6","2","1") = "6"
    & skf21("2","3","7","7","2","6","3","1") = "6"
    & skf21("2","3","7","7","2","6","4","1") = "6"
    & skf21("2","3","7","7","2","6","5","1") = "6"
    & skf21("2","3","7","7","2","6","6","1") = "6"
    & skf21("2","3","7","7","2","6","7","1") = "6"
    & skf21("2","3","7","7","2","7","1","1") = "6"
    & skf21("2","3","7","7","2","7","2","1") = "6"
    & skf21("2","3","7","7","2","7","3","1") = "6"
    & skf21("2","3","7","7","2","7","4","1") = "6"
    & skf21("2","3","7","7","2","7","5","1") = "6"
    & skf21("2","3","7","7","2","7","6","1") = "6"
    & skf21("2","3","7","7","2","7","7","1") = "6"
    & skf21("2","3","7","7","3","1","1","1") = "6"
    & skf21("2","3","7","7","3","1","2","1") = "6"
    & skf21("2","3","7","7","3","1","3","1") = "6"
    & skf21("2","3","7","7","3","1","4","1") = "6"
    & skf21("2","3","7","7","3","1","5","1") = "6"
    & skf21("2","3","7","7","3","1","6","1") = "6"
    & skf21("2","3","7","7","3","1","7","1") = "6"
    & skf21("2","3","7","7","3","2","1","1") = "6"
    & skf21("2","3","7","7","3","2","2","1") = "6"
    & skf21("2","3","7","7","3","2","3","1") = "6"
    & skf21("2","3","7","7","3","2","4","1") = "6"
    & skf21("2","3","7","7","3","2","5","1") = "6"
    & skf21("2","3","7","7","3","2","6","1") = "6"
    & skf21("2","3","7","7","3","2","7","1") = "6"
    & skf21("2","3","7","7","3","3","1","1") = "6"
    & skf21("2","3","7","7","3","3","2","1") = "6"
    & skf21("2","3","7","7","3","3","3","1") = "6"
    & skf21("2","3","7","7","3","3","4","1") = "6"
    & skf21("2","3","7","7","3","3","5","1") = "6"
    & skf21("2","3","7","7","3","3","6","1") = "6"
    & skf21("2","3","7","7","3","3","7","1") = "6"
    & skf21("2","3","7","7","3","4","1","1") = "6"
    & skf21("2","3","7","7","3","4","2","1") = "6"
    & skf21("2","3","7","7","3","4","3","1") = "6"
    & skf21("2","3","7","7","3","4","4","1") = "6"
    & skf21("2","3","7","7","3","4","5","1") = "6"
    & skf21("2","3","7","7","3","4","6","1") = "6"
    & skf21("2","3","7","7","3","4","7","1") = "6"
    & skf21("2","3","7","7","3","5","1","1") = "6"
    & skf21("2","3","7","7","3","5","2","1") = "6"
    & skf21("2","3","7","7","3","5","3","1") = "6"
    & skf21("2","3","7","7","3","5","4","1") = "6"
    & skf21("2","3","7","7","3","5","5","1") = "6"
    & skf21("2","3","7","7","3","5","6","1") = "6"
    & skf21("2","3","7","7","3","5","7","1") = "6"
    & skf21("2","3","7","7","3","6","1","1") = "6"
    & skf21("2","3","7","7","3","6","2","1") = "6"
    & skf21("2","3","7","7","3","6","3","1") = "6"
    & skf21("2","3","7","7","3","6","4","1") = "6"
    & skf21("2","3","7","7","3","6","5","1") = "6"
    & skf21("2","3","7","7","3","6","6","1") = "6"
    & skf21("2","3","7","7","3","6","7","1") = "6"
    & skf21("2","3","7","7","3","7","1","1") = "6"
    & skf21("2","3","7","7","3","7","2","1") = "6"
    & skf21("2","3","7","7","3","7","3","1") = "6"
    & skf21("2","3","7","7","3","7","4","1") = "6"
    & skf21("2","3","7","7","3","7","5","1") = "6"
    & skf21("2","3","7","7","3","7","6","1") = "6"
    & skf21("2","3","7","7","3","7","7","1") = "6"
    & skf21("2","3","7","7","4","1","1","1") = "6"
    & skf21("2","3","7","7","4","1","2","1") = "6"
    & skf21("2","3","7","7","4","1","3","1") = "6"
    & skf21("2","3","7","7","4","1","4","1") = "6"
    & skf21("2","3","7","7","4","1","5","1") = "6"
    & skf21("2","3","7","7","4","1","6","1") = "6"
    & skf21("2","3","7","7","4","1","7","1") = "6"
    & skf21("2","3","7","7","4","2","1","1") = "6"
    & skf21("2","3","7","7","4","2","2","1") = "6"
    & skf21("2","3","7","7","4","2","3","1") = "6"
    & skf21("2","3","7","7","4","2","4","1") = "6"
    & skf21("2","3","7","7","4","2","5","1") = "6"
    & skf21("2","3","7","7","4","2","6","1") = "6"
    & skf21("2","3","7","7","4","2","7","1") = "6"
    & skf21("2","3","7","7","4","3","1","1") = "6"
    & skf21("2","3","7","7","4","3","2","1") = "6"
    & skf21("2","3","7","7","4","3","3","1") = "6"
    & skf21("2","3","7","7","4","3","4","1") = "6"
    & skf21("2","3","7","7","4","3","5","1") = "6"
    & skf21("2","3","7","7","4","3","6","1") = "6"
    & skf21("2","3","7","7","4","3","7","1") = "6"
    & skf21("2","3","7","7","4","4","1","1") = "6"
    & skf21("2","3","7","7","4","4","2","1") = "6"
    & skf21("2","3","7","7","4","4","3","1") = "6"
    & skf21("2","3","7","7","4","4","4","1") = "6"
    & skf21("2","3","7","7","4","4","5","1") = "6"
    & skf21("2","3","7","7","4","4","6","1") = "6"
    & skf21("2","3","7","7","4","4","7","1") = "6"
    & skf21("2","3","7","7","4","5","1","1") = "6"
    & skf21("2","3","7","7","4","5","2","1") = "6"
    & skf21("2","3","7","7","4","5","3","1") = "6"
    & skf21("2","3","7","7","4","5","4","1") = "6"
    & skf21("2","3","7","7","4","5","5","1") = "6"
    & skf21("2","3","7","7","4","5","6","1") = "6"
    & skf21("2","3","7","7","4","5","7","1") = "6"
    & skf21("2","3","7","7","4","6","1","1") = "6"
    & skf21("2","3","7","7","4","6","2","1") = "6"
    & skf21("2","3","7","7","4","6","3","1") = "6"
    & skf21("2","3","7","7","4","6","4","1") = "6"
    & skf21("2","3","7","7","4","6","5","1") = "6"
    & skf21("2","3","7","7","4","6","6","1") = "6"
    & skf21("2","3","7","7","4","6","7","1") = "6"
    & skf21("2","3","7","7","4","7","1","1") = "6"
    & skf21("2","3","7","7","4","7","2","1") = "6"
    & skf21("2","3","7","7","4","7","3","1") = "6"
    & skf21("2","3","7","7","4","7","4","1") = "6"
    & skf21("2","3","7","7","4","7","5","1") = "6"
    & skf21("2","3","7","7","4","7","6","1") = "6"
    & skf21("2","3","7","7","4","7","7","1") = "6"
    & skf21("2","3","7","7","5","1","1","1") = "6"
    & skf21("2","3","7","7","5","1","2","1") = "6"
    & skf21("2","3","7","7","5","1","3","1") = "6"
    & skf21("2","3","7","7","5","1","4","1") = "6"
    & skf21("2","3","7","7","5","1","5","1") = "6"
    & skf21("2","3","7","7","5","1","6","1") = "6"
    & skf21("2","3","7","7","5","1","7","1") = "6"
    & skf21("2","3","7","7","5","2","1","1") = "6"
    & skf21("2","3","7","7","5","2","2","1") = "6"
    & skf21("2","3","7","7","5","2","3","1") = "6"
    & skf21("2","3","7","7","5","2","4","1") = "6"
    & skf21("2","3","7","7","5","2","5","1") = "6"
    & skf21("2","3","7","7","5","2","6","1") = "6"
    & skf21("2","3","7","7","5","2","7","1") = "6"
    & skf21("2","3","7","7","5","3","1","1") = "6"
    & skf21("2","3","7","7","5","3","2","1") = "6"
    & skf21("2","3","7","7","5","3","3","1") = "6"
    & skf21("2","3","7","7","5","3","4","1") = "6"
    & skf21("2","3","7","7","5","3","5","1") = "6"
    & skf21("2","3","7","7","5","3","6","1") = "6"
    & skf21("2","3","7","7","5","3","7","1") = "6"
    & skf21("2","3","7","7","5","4","1","1") = "6"
    & skf21("2","3","7","7","5","4","2","1") = "6"
    & skf21("2","3","7","7","5","4","3","1") = "6"
    & skf21("2","3","7","7","5","4","4","1") = "6"
    & skf21("2","3","7","7","5","4","5","1") = "6"
    & skf21("2","3","7","7","5","4","6","1") = "6"
    & skf21("2","3","7","7","5","4","7","1") = "6"
    & skf21("2","3","7","7","5","5","1","1") = "6"
    & skf21("2","3","7","7","5","5","2","1") = "6"
    & skf21("2","3","7","7","5","5","3","1") = "6"
    & skf21("2","3","7","7","5","5","4","1") = "6"
    & skf21("2","3","7","7","5","5","5","1") = "6"
    & skf21("2","3","7","7","5","5","6","1") = "6"
    & skf21("2","3","7","7","5","5","7","1") = "6"
    & skf21("2","3","7","7","5","6","1","1") = "6"
    & skf21("2","3","7","7","5","6","2","1") = "6"
    & skf21("2","3","7","7","5","6","3","1") = "6"
    & skf21("2","3","7","7","5","6","4","1") = "6"
    & skf21("2","3","7","7","5","6","5","1") = "6"
    & skf21("2","3","7","7","5","6","6","1") = "6"
    & skf21("2","3","7","7","5","6","7","1") = "6"
    & skf21("2","3","7","7","5","7","1","1") = "6"
    & skf21("2","3","7","7","5","7","2","1") = "6"
    & skf21("2","3","7","7","5","7","3","1") = "6"
    & skf21("2","3","7","7","5","7","4","1") = "6"
    & skf21("2","3","7","7","5","7","5","1") = "6"
    & skf21("2","3","7","7","5","7","6","1") = "6"
    & skf21("2","3","7","7","5","7","7","1") = "6"
    & skf21("2","3","7","7","6","1","1","1") = "6"
    & skf21("2","3","7","7","6","1","2","1") = "6"
    & skf21("2","3","7","7","6","1","3","1") = "6"
    & skf21("2","3","7","7","6","1","4","1") = "6"
    & skf21("2","3","7","7","6","1","5","1") = "6"
    & skf21("2","3","7","7","6","1","6","1") = "6"
    & skf21("2","3","7","7","6","1","7","1") = "6"
    & skf21("2","3","7","7","6","2","1","1") = "6"
    & skf21("2","3","7","7","6","2","2","1") = "6"
    & skf21("2","3","7","7","6","2","3","1") = "6"
    & skf21("2","3","7","7","6","2","4","1") = "6"
    & skf21("2","3","7","7","6","2","5","1") = "6"
    & skf21("2","3","7","7","6","2","6","1") = "6"
    & skf21("2","3","7","7","6","2","7","1") = "6"
    & skf21("2","3","7","7","6","3","1","1") = "6"
    & skf21("2","3","7","7","6","3","2","1") = "6"
    & skf21("2","3","7","7","6","3","3","1") = "6"
    & skf21("2","3","7","7","6","3","4","1") = "6"
    & skf21("2","3","7","7","6","3","5","1") = "6"
    & skf21("2","3","7","7","6","3","6","1") = "6"
    & skf21("2","3","7","7","6","3","7","1") = "6"
    & skf21("2","3","7","7","6","4","1","1") = "6"
    & skf21("2","3","7","7","6","4","2","1") = "6"
    & skf21("2","3","7","7","6","4","3","1") = "6"
    & skf21("2","3","7","7","6","4","4","1") = "6"
    & skf21("2","3","7","7","6","4","5","1") = "6"
    & skf21("2","3","7","7","6","4","6","1") = "6"
    & skf21("2","3","7","7","6","4","7","1") = "6"
    & skf21("2","3","7","7","6","5","1","1") = "6"
    & skf21("2","3","7","7","6","5","2","1") = "6"
    & skf21("2","3","7","7","6","5","3","1") = "6"
    & skf21("2","3","7","7","6","5","4","1") = "6"
    & skf21("2","3","7","7","6","5","5","1") = "6"
    & skf21("2","3","7","7","6","5","6","1") = "6"
    & skf21("2","3","7","7","6","5","7","1") = "6"
    & skf21("2","3","7","7","6","6","1","1") = "6"
    & skf21("2","3","7","7","6","6","2","1") = "6"
    & skf21("2","3","7","7","6","6","3","1") = "6"
    & skf21("2","3","7","7","6","6","4","1") = "6"
    & skf21("2","3","7","7","6","6","5","1") = "6"
    & skf21("2","3","7","7","6","6","6","1") = "6"
    & skf21("2","3","7","7","6","6","7","1") = "6"
    & skf21("2","3","7","7","6","7","1","1") = "6"
    & skf21("2","3","7","7","6","7","2","1") = "6"
    & skf21("2","3","7","7","6","7","3","1") = "6"
    & skf21("2","3","7","7","6","7","4","1") = "6"
    & skf21("2","3","7","7","6","7","5","1") = "6"
    & skf21("2","3","7","7","6","7","6","1") = "6"
    & skf21("2","3","7","7","6","7","7","1") = "6"
    & skf21("2","3","7","7","7","1","1","1") = "6"
    & skf21("2","3","7","7","7","1","2","1") = "6"
    & skf21("2","3","7","7","7","1","3","1") = "6"
    & skf21("2","3","7","7","7","1","4","1") = "6"
    & skf21("2","3","7","7","7","1","5","1") = "6"
    & skf21("2","3","7","7","7","1","6","1") = "6"
    & skf21("2","3","7","7","7","1","7","1") = "6"
    & skf21("2","3","7","7","7","2","1","1") = "6"
    & skf21("2","3","7","7","7","2","2","1") = "6"
    & skf21("2","3","7","7","7","2","3","1") = "6"
    & skf21("2","3","7","7","7","2","4","1") = "6"
    & skf21("2","3","7","7","7","2","5","1") = "6"
    & skf21("2","3","7","7","7","2","6","1") = "6"
    & skf21("2","3","7","7","7","2","7","1") = "6"
    & skf21("2","3","7","7","7","3","1","1") = "6"
    & skf21("2","3","7","7","7","3","2","1") = "6"
    & skf21("2","3","7","7","7","3","3","1") = "6"
    & skf21("2","3","7","7","7","3","4","1") = "6"
    & skf21("2","3","7","7","7","3","5","1") = "6"
    & skf21("2","3","7","7","7","3","6","1") = "6"
    & skf21("2","3","7","7","7","3","7","1") = "6"
    & skf21("2","3","7","7","7","4","1","1") = "6"
    & skf21("2","3","7","7","7","4","2","1") = "6"
    & skf21("2","3","7","7","7","4","3","1") = "6"
    & skf21("2","3","7","7","7","4","4","1") = "6"
    & skf21("2","3","7","7","7","4","5","1") = "6"
    & skf21("2","3","7","7","7","4","6","1") = "6"
    & skf21("2","3","7","7","7","4","7","1") = "6"
    & skf21("2","3","7","7","7","5","1","1") = "6"
    & skf21("2","3","7","7","7","5","2","1") = "6"
    & skf21("2","3","7","7","7","5","3","1") = "6"
    & skf21("2","3","7","7","7","5","4","1") = "6"
    & skf21("2","3","7","7","7","5","5","1") = "6"
    & skf21("2","3","7","7","7","5","6","1") = "6"
    & skf21("2","3","7","7","7","5","7","1") = "6"
    & skf21("2","3","7","7","7","6","1","1") = "6"
    & skf21("2","3","7","7","7","6","2","1") = "6"
    & skf21("2","3","7","7","7","6","3","1") = "6"
    & skf21("2","3","7","7","7","6","4","1") = "6"
    & skf21("2","3","7","7","7","6","5","1") = "6"
    & skf21("2","3","7","7","7","6","6","1") = "6"
    & skf21("2","3","7","7","7","6","7","1") = "6"
    & skf21("2","3","7","7","7","7","1","1") = "6"
    & skf21("2","3","7","7","7","7","2","1") = "6"
    & skf21("2","3","7","7","7","7","3","1") = "6"
    & skf21("2","3","7","7","7","7","4","1") = "6"
    & skf21("2","3","7","7","7","7","5","1") = "6"
    & skf21("2","3","7","7","7","7","6","1") = "6"
    & skf21("2","3","7","7","7","7","7","1") = "6"
    & skf21("2","4","1","1","1","1","1","1") = "3"
    & skf21("2","4","1","1","1","1","2","1") = "3"
    & skf21("2","4","1","1","1","1","3","1") = "3"
    & skf21("2","4","1","1","1","1","4","1") = "3"
    & skf21("2","4","1","1","1","1","5","1") = "4"
    & skf21("2","4","1","1","1","1","6","1") = "5"
    & skf21("2","4","1","1","1","1","7","1") = "6"
    & skf21("2","4","1","1","1","2","1","1") = "3"
    & skf21("2","4","1","1","1","2","2","1") = "3"
    & skf21("2","4","1","1","1","2","3","1") = "3"
    & skf21("2","4","1","1","1","2","4","1") = "3"
    & skf21("2","4","1","1","1","2","5","1") = "4"
    & skf21("2","4","1","1","1","2","6","1") = "5"
    & skf21("2","4","1","1","1","2","7","1") = "6"
    & skf21("2","4","1","1","1","3","1","1") = "3"
    & skf21("2","4","1","1","1","3","2","1") = "3"
    & skf21("2","4","1","1","1","3","3","1") = "3"
    & skf21("2","4","1","1","1","3","4","1") = "3"
    & skf21("2","4","1","1","1","3","5","1") = "4"
    & skf21("2","4","1","1","1","3","6","1") = "5"
    & skf21("2","4","1","1","1","3","7","1") = "6"
    & skf21("2","4","1","1","1","4","1","1") = "3"
    & skf21("2","4","1","1","1","4","2","1") = "3"
    & skf21("2","4","1","1","1","4","3","1") = "3"
    & skf21("2","4","1","1","1","4","4","1") = "3"
    & skf21("2","4","1","1","1","4","5","1") = "4"
    & skf21("2","4","1","1","1","4","6","1") = "5"
    & skf21("2","4","1","1","1","4","7","1") = "6"
    & skf21("2","4","1","1","1","5","1","1") = "4"
    & skf21("2","4","1","1","1","5","2","1") = "4"
    & skf21("2","4","1","1","1","5","3","1") = "4"
    & skf21("2","4","1","1","1","5","4","1") = "4"
    & skf21("2","4","1","1","1","5","5","1") = "4"
    & skf21("2","4","1","1","1","5","6","1") = "5"
    & skf21("2","4","1","1","1","5","7","1") = "6"
    & skf21("2","4","1","1","1","6","1","1") = "5"
    & skf21("2","4","1","1","1","6","2","1") = "5"
    & skf21("2","4","1","1","1","6","3","1") = "5"
    & skf21("2","4","1","1","1","6","4","1") = "5"
    & skf21("2","4","1","1","1","6","5","1") = "5"
    & skf21("2","4","1","1","1","6","6","1") = "5"
    & skf21("2","4","1","1","1","6","7","1") = "6"
    & skf21("2","4","1","1","1","7","1","1") = "6"
    & skf21("2","4","1","1","1","7","2","1") = "6"
    & skf21("2","4","1","1","1","7","3","1") = "6"
    & skf21("2","4","1","1","1","7","4","1") = "6"
    & skf21("2","4","1","1","1","7","5","1") = "6"
    & skf21("2","4","1","1","1","7","6","1") = "6"
    & skf21("2","4","1","1","1","7","7","1") = "6"
    & skf21("2","4","1","1","2","1","1","1") = "3"
    & skf21("2","4","1","1","2","1","2","1") = "3"
    & skf21("2","4","1","1","2","1","3","1") = "3"
    & skf21("2","4","1","1","2","1","4","1") = "3"
    & skf21("2","4","1","1","2","1","5","1") = "4"
    & skf21("2","4","1","1","2","1","6","1") = "5"
    & skf21("2","4","1","1","2","1","7","1") = "6"
    & skf21("2","4","1","1","2","2","1","1") = "3"
    & skf21("2","4","1","1","2","2","2","1") = "3"
    & skf21("2","4","1","1","2","2","3","1") = "3"
    & skf21("2","4","1","1","2","2","4","1") = "3"
    & skf21("2","4","1","1","2","2","5","1") = "4"
    & skf21("2","4","1","1","2","2","6","1") = "5"
    & skf21("2","4","1","1","2","2","7","1") = "6"
    & skf21("2","4","1","1","2","3","1","1") = "3"
    & skf21("2","4","1","1","2","3","2","1") = "3"
    & skf21("2","4","1","1","2","3","3","1") = "3"
    & skf21("2","4","1","1","2","3","4","1") = "3"
    & skf21("2","4","1","1","2","3","5","1") = "4"
    & skf21("2","4","1","1","2","3","6","1") = "5"
    & skf21("2","4","1","1","2","3","7","1") = "6"
    & skf21("2","4","1","1","2","4","1","1") = "3"
    & skf21("2","4","1","1","2","4","2","1") = "3"
    & skf21("2","4","1","1","2","4","3","1") = "3"
    & skf21("2","4","1","1","2","4","4","1") = "3"
    & skf21("2","4","1","1","2","4","5","1") = "4"
    & skf21("2","4","1","1","2","4","6","1") = "5"
    & skf21("2","4","1","1","2","4","7","1") = "6"
    & skf21("2","4","1","1","2","5","1","1") = "4"
    & skf21("2","4","1","1","2","5","2","1") = "4"
    & skf21("2","4","1","1","2","5","3","1") = "4"
    & skf21("2","4","1","1","2","5","4","1") = "4"
    & skf21("2","4","1","1","2","5","5","1") = "4"
    & skf21("2","4","1","1","2","5","6","1") = "5"
    & skf21("2","4","1","1","2","5","7","1") = "6"
    & skf21("2","4","1","1","2","6","1","1") = "5"
    & skf21("2","4","1","1","2","6","2","1") = "5"
    & skf21("2","4","1","1","2","6","3","1") = "5"
    & skf21("2","4","1","1","2","6","4","1") = "5"
    & skf21("2","4","1","1","2","6","5","1") = "5"
    & skf21("2","4","1","1","2","6","6","1") = "5"
    & skf21("2","4","1","1","2","6","7","1") = "6"
    & skf21("2","4","1","1","2","7","1","1") = "6"
    & skf21("2","4","1","1","2","7","2","1") = "6"
    & skf21("2","4","1","1","2","7","3","1") = "6"
    & skf21("2","4","1","1","2","7","4","1") = "6"
    & skf21("2","4","1","1","2","7","5","1") = "6"
    & skf21("2","4","1","1","2","7","6","1") = "6"
    & skf21("2","4","1","1","2","7","7","1") = "6"
    & skf21("2","4","1","1","3","1","1","1") = "3"
    & skf21("2","4","1","1","3","1","2","1") = "3"
    & skf21("2","4","1","1","3","1","3","1") = "3"
    & skf21("2","4","1","1","3","1","4","1") = "3"
    & skf21("2","4","1","1","3","1","5","1") = "4"
    & skf21("2","4","1","1","3","1","6","1") = "5"
    & skf21("2","4","1","1","3","1","7","1") = "6"
    & skf21("2","4","1","1","3","2","1","1") = "3"
    & skf21("2","4","1","1","3","2","2","1") = "3"
    & skf21("2","4","1","1","3","2","3","1") = "3"
    & skf21("2","4","1","1","3","2","4","1") = "3"
    & skf21("2","4","1","1","3","2","5","1") = "4"
    & skf21("2","4","1","1","3","2","6","1") = "5"
    & skf21("2","4","1","1","3","2","7","1") = "6"
    & skf21("2","4","1","1","3","3","1","1") = "3"
    & skf21("2","4","1","1","3","3","2","1") = "3"
    & skf21("2","4","1","1","3","3","3","1") = "3"
    & skf21("2","4","1","1","3","3","4","1") = "3"
    & skf21("2","4","1","1","3","3","5","1") = "4"
    & skf21("2","4","1","1","3","3","6","1") = "5"
    & skf21("2","4","1","1","3","3","7","1") = "6"
    & skf21("2","4","1","1","3","4","1","1") = "3"
    & skf21("2","4","1","1","3","4","2","1") = "3"
    & skf21("2","4","1","1","3","4","3","1") = "3"
    & skf21("2","4","1","1","3","4","4","1") = "3"
    & skf21("2","4","1","1","3","4","5","1") = "4"
    & skf21("2","4","1","1","3","4","6","1") = "5"
    & skf21("2","4","1","1","3","4","7","1") = "6"
    & skf21("2","4","1","1","3","5","1","1") = "4"
    & skf21("2","4","1","1","3","5","2","1") = "4"
    & skf21("2","4","1","1","3","5","3","1") = "4"
    & skf21("2","4","1","1","3","5","4","1") = "4"
    & skf21("2","4","1","1","3","5","5","1") = "4"
    & skf21("2","4","1","1","3","5","6","1") = "5"
    & skf21("2","4","1","1","3","5","7","1") = "6"
    & skf21("2","4","1","1","3","6","1","1") = "5"
    & skf21("2","4","1","1","3","6","2","1") = "5"
    & skf21("2","4","1","1","3","6","3","1") = "5"
    & skf21("2","4","1","1","3","6","4","1") = "5"
    & skf21("2","4","1","1","3","6","5","1") = "5"
    & skf21("2","4","1","1","3","6","6","1") = "5"
    & skf21("2","4","1","1","3","6","7","1") = "6"
    & skf21("2","4","1","1","3","7","1","1") = "6"
    & skf21("2","4","1","1","3","7","2","1") = "6"
    & skf21("2","4","1","1","3","7","3","1") = "6"
    & skf21("2","4","1","1","3","7","4","1") = "6"
    & skf21("2","4","1","1","3","7","5","1") = "6"
    & skf21("2","4","1","1","3","7","6","1") = "6"
    & skf21("2","4","1","1","3","7","7","1") = "6"
    & skf21("2","4","1","1","4","1","1","1") = "3"
    & skf21("2","4","1","1","4","1","2","1") = "3"
    & skf21("2","4","1","1","4","1","3","1") = "3"
    & skf21("2","4","1","1","4","1","4","1") = "3"
    & skf21("2","4","1","1","4","1","5","1") = "4"
    & skf21("2","4","1","1","4","1","6","1") = "5"
    & skf21("2","4","1","1","4","1","7","1") = "6"
    & skf21("2","4","1","1","4","2","1","1") = "3"
    & skf21("2","4","1","1","4","2","2","1") = "3"
    & skf21("2","4","1","1","4","2","3","1") = "3"
    & skf21("2","4","1","1","4","2","4","1") = "3"
    & skf21("2","4","1","1","4","2","5","1") = "4"
    & skf21("2","4","1","1","4","2","6","1") = "5"
    & skf21("2","4","1","1","4","2","7","1") = "6"
    & skf21("2","4","1","1","4","3","1","1") = "3"
    & skf21("2","4","1","1","4","3","2","1") = "3"
    & skf21("2","4","1","1","4","3","3","1") = "3"
    & skf21("2","4","1","1","4","3","4","1") = "3"
    & skf21("2","4","1","1","4","3","5","1") = "4"
    & skf21("2","4","1","1","4","3","6","1") = "5"
    & skf21("2","4","1","1","4","3","7","1") = "6"
    & skf21("2","4","1","1","4","4","1","1") = "3"
    & skf21("2","4","1","1","4","4","2","1") = "3"
    & skf21("2","4","1","1","4","4","3","1") = "3"
    & skf21("2","4","1","1","4","4","4","1") = "3"
    & skf21("2","4","1","1","4","4","5","1") = "4"
    & skf21("2","4","1","1","4","4","6","1") = "5"
    & skf21("2","4","1","1","4","4","7","1") = "6"
    & skf21("2","4","1","1","4","5","1","1") = "4"
    & skf21("2","4","1","1","4","5","2","1") = "4"
    & skf21("2","4","1","1","4","5","3","1") = "4"
    & skf21("2","4","1","1","4","5","4","1") = "4"
    & skf21("2","4","1","1","4","5","5","1") = "4"
    & skf21("2","4","1","1","4","5","6","1") = "5"
    & skf21("2","4","1","1","4","5","7","1") = "6"
    & skf21("2","4","1","1","4","6","1","1") = "5"
    & skf21("2","4","1","1","4","6","2","1") = "5"
    & skf21("2","4","1","1","4","6","3","1") = "5"
    & skf21("2","4","1","1","4","6","4","1") = "5"
    & skf21("2","4","1","1","4","6","5","1") = "5"
    & skf21("2","4","1","1","4","6","6","1") = "5"
    & skf21("2","4","1","1","4","6","7","1") = "6"
    & skf21("2","4","1","1","4","7","1","1") = "6"
    & skf21("2","4","1","1","4","7","2","1") = "6"
    & skf21("2","4","1","1","4","7","3","1") = "6"
    & skf21("2","4","1","1","4","7","4","1") = "6"
    & skf21("2","4","1","1","4","7","5","1") = "6"
    & skf21("2","4","1","1","4","7","6","1") = "6"
    & skf21("2","4","1","1","4","7","7","1") = "6"
    & skf21("2","4","1","1","5","1","1","1") = "4"
    & skf21("2","4","1","1","5","1","2","1") = "4"
    & skf21("2","4","1","1","5","1","3","1") = "4"
    & skf21("2","4","1","1","5","1","4","1") = "4"
    & skf21("2","4","1","1","5","1","5","1") = "4"
    & skf21("2","4","1","1","5","1","6","1") = "5"
    & skf21("2","4","1","1","5","1","7","1") = "6"
    & skf21("2","4","1","1","5","2","1","1") = "4"
    & skf21("2","4","1","1","5","2","2","1") = "4"
    & skf21("2","4","1","1","5","2","3","1") = "4"
    & skf21("2","4","1","1","5","2","4","1") = "4"
    & skf21("2","4","1","1","5","2","5","1") = "4"
    & skf21("2","4","1","1","5","2","6","1") = "5"
    & skf21("2","4","1","1","5","2","7","1") = "6"
    & skf21("2","4","1","1","5","3","1","1") = "4"
    & skf21("2","4","1","1","5","3","2","1") = "4"
    & skf21("2","4","1","1","5","3","3","1") = "4"
    & skf21("2","4","1","1","5","3","4","1") = "4"
    & skf21("2","4","1","1","5","3","5","1") = "4"
    & skf21("2","4","1","1","5","3","6","1") = "5"
    & skf21("2","4","1","1","5","3","7","1") = "6"
    & skf21("2","4","1","1","5","4","1","1") = "4"
    & skf21("2","4","1","1","5","4","2","1") = "4"
    & skf21("2","4","1","1","5","4","3","1") = "4"
    & skf21("2","4","1","1","5","4","4","1") = "4"
    & skf21("2","4","1","1","5","4","5","1") = "4"
    & skf21("2","4","1","1","5","4","6","1") = "5"
    & skf21("2","4","1","1","5","4","7","1") = "6"
    & skf21("2","4","1","1","5","5","1","1") = "4"
    & skf21("2","4","1","1","5","5","2","1") = "4"
    & skf21("2","4","1","1","5","5","3","1") = "4"
    & skf21("2","4","1","1","5","5","4","1") = "4"
    & skf21("2","4","1","1","5","5","5","1") = "4"
    & skf21("2","4","1","1","5","5","6","1") = "5"
    & skf21("2","4","1","1","5","5","7","1") = "6"
    & skf21("2","4","1","1","5","6","1","1") = "5"
    & skf21("2","4","1","1","5","6","2","1") = "5"
    & skf21("2","4","1","1","5","6","3","1") = "5"
    & skf21("2","4","1","1","5","6","4","1") = "5"
    & skf21("2","4","1","1","5","6","5","1") = "5"
    & skf21("2","4","1","1","5","6","6","1") = "5"
    & skf21("2","4","1","1","5","6","7","1") = "6"
    & skf21("2","4","1","1","5","7","1","1") = "6"
    & skf21("2","4","1","1","5","7","2","1") = "6"
    & skf21("2","4","1","1","5","7","3","1") = "6"
    & skf21("2","4","1","1","5","7","4","1") = "6"
    & skf21("2","4","1","1","5","7","5","1") = "6"
    & skf21("2","4","1","1","5","7","6","1") = "6"
    & skf21("2","4","1","1","5","7","7","1") = "6"
    & skf21("2","4","1","1","6","1","1","1") = "5"
    & skf21("2","4","1","1","6","1","2","1") = "5"
    & skf21("2","4","1","1","6","1","3","1") = "5"
    & skf21("2","4","1","1","6","1","4","1") = "5"
    & skf21("2","4","1","1","6","1","5","1") = "5"
    & skf21("2","4","1","1","6","1","6","1") = "5"
    & skf21("2","4","1","1","6","1","7","1") = "6"
    & skf21("2","4","1","1","6","2","1","1") = "5"
    & skf21("2","4","1","1","6","2","2","1") = "5"
    & skf21("2","4","1","1","6","2","3","1") = "5"
    & skf21("2","4","1","1","6","2","4","1") = "5"
    & skf21("2","4","1","1","6","2","5","1") = "5"
    & skf21("2","4","1","1","6","2","6","1") = "5"
    & skf21("2","4","1","1","6","2","7","1") = "6"
    & skf21("2","4","1","1","6","3","1","1") = "5"
    & skf21("2","4","1","1","6","3","2","1") = "5"
    & skf21("2","4","1","1","6","3","3","1") = "5"
    & skf21("2","4","1","1","6","3","4","1") = "5"
    & skf21("2","4","1","1","6","3","5","1") = "5"
    & skf21("2","4","1","1","6","3","6","1") = "5"
    & skf21("2","4","1","1","6","3","7","1") = "6"
    & skf21("2","4","1","1","6","4","1","1") = "5"
    & skf21("2","4","1","1","6","4","2","1") = "5"
    & skf21("2","4","1","1","6","4","3","1") = "5"
    & skf21("2","4","1","1","6","4","4","1") = "5"
    & skf21("2","4","1","1","6","4","5","1") = "5"
    & skf21("2","4","1","1","6","4","6","1") = "5"
    & skf21("2","4","1","1","6","4","7","1") = "6"
    & skf21("2","4","1","1","6","5","1","1") = "5"
    & skf21("2","4","1","1","6","5","2","1") = "5"
    & skf21("2","4","1","1","6","5","3","1") = "5"
    & skf21("2","4","1","1","6","5","4","1") = "5"
    & skf21("2","4","1","1","6","5","5","1") = "5"
    & skf21("2","4","1","1","6","5","6","1") = "5"
    & skf21("2","4","1","1","6","5","7","1") = "6"
    & skf21("2","4","1","1","6","6","1","1") = "5"
    & skf21("2","4","1","1","6","6","2","1") = "5"
    & skf21("2","4","1","1","6","6","3","1") = "5"
    & skf21("2","4","1","1","6","6","4","1") = "5"
    & skf21("2","4","1","1","6","6","5","1") = "5"
    & skf21("2","4","1","1","6","6","6","1") = "5"
    & skf21("2","4","1","1","6","6","7","1") = "6"
    & skf21("2","4","1","1","6","7","1","1") = "6"
    & skf21("2","4","1","1","6","7","2","1") = "6"
    & skf21("2","4","1","1","6","7","3","1") = "6"
    & skf21("2","4","1","1","6","7","4","1") = "6"
    & skf21("2","4","1","1","6","7","5","1") = "6"
    & skf21("2","4","1","1","6","7","6","1") = "6"
    & skf21("2","4","1","1","6","7","7","1") = "6"
    & skf21("2","4","1","1","7","1","1","1") = "6"
    & skf21("2","4","1","1","7","1","2","1") = "6"
    & skf21("2","4","1","1","7","1","3","1") = "6"
    & skf21("2","4","1","1","7","1","4","1") = "6"
    & skf21("2","4","1","1","7","1","5","1") = "6"
    & skf21("2","4","1","1","7","1","6","1") = "6"
    & skf21("2","4","1","1","7","1","7","1") = "6"
    & skf21("2","4","1","1","7","2","1","1") = "6"
    & skf21("2","4","1","1","7","2","2","1") = "6"
    & skf21("2","4","1","1","7","2","3","1") = "6"
    & skf21("2","4","1","1","7","2","4","1") = "6"
    & skf21("2","4","1","1","7","2","5","1") = "6"
    & skf21("2","4","1","1","7","2","6","1") = "6"
    & skf21("2","4","1","1","7","2","7","1") = "6"
    & skf21("2","4","1","1","7","3","1","1") = "6"
    & skf21("2","4","1","1","7","3","2","1") = "6"
    & skf21("2","4","1","1","7","3","3","1") = "6"
    & skf21("2","4","1","1","7","3","4","1") = "6"
    & skf21("2","4","1","1","7","3","5","1") = "6"
    & skf21("2","4","1","1","7","3","6","1") = "6"
    & skf21("2","4","1","1","7","3","7","1") = "6"
    & skf21("2","4","1","1","7","4","1","1") = "6"
    & skf21("2","4","1","1","7","4","2","1") = "6"
    & skf21("2","4","1","1","7","4","3","1") = "6"
    & skf21("2","4","1","1","7","4","4","1") = "6"
    & skf21("2","4","1","1","7","4","5","1") = "6"
    & skf21("2","4","1","1","7","4","6","1") = "6"
    & skf21("2","4","1","1","7","4","7","1") = "6"
    & skf21("2","4","1","1","7","5","1","1") = "6"
    & skf21("2","4","1","1","7","5","2","1") = "6"
    & skf21("2","4","1","1","7","5","3","1") = "6"
    & skf21("2","4","1","1","7","5","4","1") = "6"
    & skf21("2","4","1","1","7","5","5","1") = "6"
    & skf21("2","4","1","1","7","5","6","1") = "6"
    & skf21("2","4","1","1","7","5","7","1") = "6"
    & skf21("2","4","1","1","7","6","1","1") = "6"
    & skf21("2","4","1","1","7","6","2","1") = "6"
    & skf21("2","4","1","1","7","6","3","1") = "6"
    & skf21("2","4","1","1","7","6","4","1") = "6"
    & skf21("2","4","1","1","7","6","5","1") = "6"
    & skf21("2","4","1","1","7","6","6","1") = "6"
    & skf21("2","4","1","1","7","6","7","1") = "6"
    & skf21("2","4","1","1","7","7","1","1") = "6"
    & skf21("2","4","1","1","7","7","2","1") = "6"
    & skf21("2","4","1","1","7","7","3","1") = "6"
    & skf21("2","4","1","1","7","7","4","1") = "6"
    & skf21("2","4","1","1","7","7","5","1") = "6"
    & skf21("2","4","1","1","7","7","6","1") = "6"
    & skf21("2","4","1","1","7","7","7","1") = "6"
    & skf21("2","4","1","2","1","1","1","1") = "3"
    & skf21("2","4","1","2","1","1","2","1") = "3"
    & skf21("2","4","1","2","1","1","3","1") = "3"
    & skf21("2","4","1","2","1","1","4","1") = "3"
    & skf21("2","4","1","2","1","1","5","1") = "4"
    & skf21("2","4","1","2","1","1","6","1") = "5"
    & skf21("2","4","1","2","1","1","7","1") = "6"
    & skf21("2","4","1","2","1","2","1","1") = "3"
    & skf21("2","4","1","2","1","2","2","1") = "3"
    & skf21("2","4","1","2","1","2","3","1") = "3"
    & skf21("2","4","1","2","1","2","4","1") = "3"
    & skf21("2","4","1","2","1","2","5","1") = "4"
    & skf21("2","4","1","2","1","2","6","1") = "5"
    & skf21("2","4","1","2","1","2","7","1") = "6"
    & skf21("2","4","1","2","1","3","1","1") = "3"
    & skf21("2","4","1","2","1","3","2","1") = "3"
    & skf21("2","4","1","2","1","3","3","1") = "3"
    & skf21("2","4","1","2","1","3","4","1") = "3"
    & skf21("2","4","1","2","1","3","5","1") = "4"
    & skf21("2","4","1","2","1","3","6","1") = "5"
    & skf21("2","4","1","2","1","3","7","1") = "6"
    & skf21("2","4","1","2","1","4","1","1") = "3"
    & skf21("2","4","1","2","1","4","2","1") = "3"
    & skf21("2","4","1","2","1","4","3","1") = "3"
    & skf21("2","4","1","2","1","4","4","1") = "3"
    & skf21("2","4","1","2","1","4","5","1") = "4"
    & skf21("2","4","1","2","1","4","6","1") = "5"
    & skf21("2","4","1","2","1","4","7","1") = "6"
    & skf21("2","4","1","2","1","5","1","1") = "4"
    & skf21("2","4","1","2","1","5","2","1") = "4"
    & skf21("2","4","1","2","1","5","3","1") = "4"
    & skf21("2","4","1","2","1","5","4","1") = "4"
    & skf21("2","4","1","2","1","5","5","1") = "4"
    & skf21("2","4","1","2","1","5","6","1") = "5"
    & skf21("2","4","1","2","1","5","7","1") = "6"
    & skf21("2","4","1","2","1","6","1","1") = "5"
    & skf21("2","4","1","2","1","6","2","1") = "5"
    & skf21("2","4","1","2","1","6","3","1") = "5"
    & skf21("2","4","1","2","1","6","4","1") = "5"
    & skf21("2","4","1","2","1","6","5","1") = "5"
    & skf21("2","4","1","2","1","6","6","1") = "5"
    & skf21("2","4","1","2","1","6","7","1") = "6"
    & skf21("2","4","1","2","1","7","1","1") = "6"
    & skf21("2","4","1","2","1","7","2","1") = "6"
    & skf21("2","4","1","2","1","7","3","1") = "6"
    & skf21("2","4","1","2","1","7","4","1") = "6"
    & skf21("2","4","1","2","1","7","5","1") = "6"
    & skf21("2","4","1","2","1","7","6","1") = "6"
    & skf21("2","4","1","2","1","7","7","1") = "6"
    & skf21("2","4","1","2","2","1","1","1") = "3"
    & skf21("2","4","1","2","2","1","2","1") = "3"
    & skf21("2","4","1","2","2","1","3","1") = "3"
    & skf21("2","4","1","2","2","1","4","1") = "3"
    & skf21("2","4","1","2","2","1","5","1") = "4"
    & skf21("2","4","1","2","2","1","6","1") = "5"
    & skf21("2","4","1","2","2","1","7","1") = "6"
    & skf21("2","4","1","2","2","2","1","1") = "3"
    & skf21("2","4","1","2","2","2","2","1") = "3"
    & skf21("2","4","1","2","2","2","3","1") = "3"
    & skf21("2","4","1","2","2","2","4","1") = "3"
    & skf21("2","4","1","2","2","2","5","1") = "4"
    & skf21("2","4","1","2","2","2","6","1") = "5"
    & skf21("2","4","1","2","2","2","7","1") = "6"
    & skf21("2","4","1","2","2","3","1","1") = "3"
    & skf21("2","4","1","2","2","3","2","1") = "3"
    & skf21("2","4","1","2","2","3","3","1") = "3"
    & skf21("2","4","1","2","2","3","4","1") = "3"
    & skf21("2","4","1","2","2","3","5","1") = "4"
    & skf21("2","4","1","2","2","3","6","1") = "5"
    & skf21("2","4","1","2","2","3","7","1") = "6"
    & skf21("2","4","1","2","2","4","1","1") = "3"
    & skf21("2","4","1","2","2","4","2","1") = "3"
    & skf21("2","4","1","2","2","4","3","1") = "3"
    & skf21("2","4","1","2","2","4","4","1") = "3"
    & skf21("2","4","1","2","2","4","5","1") = "4"
    & skf21("2","4","1","2","2","4","6","1") = "5"
    & skf21("2","4","1","2","2","4","7","1") = "6"
    & skf21("2","4","1","2","2","5","1","1") = "4"
    & skf21("2","4","1","2","2","5","2","1") = "4"
    & skf21("2","4","1","2","2","5","3","1") = "4"
    & skf21("2","4","1","2","2","5","4","1") = "4"
    & skf21("2","4","1","2","2","5","5","1") = "4"
    & skf21("2","4","1","2","2","5","6","1") = "5"
    & skf21("2","4","1","2","2","5","7","1") = "6"
    & skf21("2","4","1","2","2","6","1","1") = "5"
    & skf21("2","4","1","2","2","6","2","1") = "5"
    & skf21("2","4","1","2","2","6","3","1") = "5"
    & skf21("2","4","1","2","2","6","4","1") = "5"
    & skf21("2","4","1","2","2","6","5","1") = "5"
    & skf21("2","4","1","2","2","6","6","1") = "5"
    & skf21("2","4","1","2","2","6","7","1") = "6"
    & skf21("2","4","1","2","2","7","1","1") = "6"
    & skf21("2","4","1","2","2","7","2","1") = "6"
    & skf21("2","4","1","2","2","7","3","1") = "6"
    & skf21("2","4","1","2","2","7","4","1") = "6"
    & skf21("2","4","1","2","2","7","5","1") = "6"
    & skf21("2","4","1","2","2","7","6","1") = "6"
    & skf21("2","4","1","2","2","7","7","1") = "6"
    & skf21("2","4","1","2","3","1","1","1") = "3"
    & skf21("2","4","1","2","3","1","2","1") = "3"
    & skf21("2","4","1","2","3","1","3","1") = "3"
    & skf21("2","4","1","2","3","1","4","1") = "3"
    & skf21("2","4","1","2","3","1","5","1") = "4"
    & skf21("2","4","1","2","3","1","6","1") = "5"
    & skf21("2","4","1","2","3","1","7","1") = "6"
    & skf21("2","4","1","2","3","2","1","1") = "3"
    & skf21("2","4","1","2","3","2","2","1") = "3"
    & skf21("2","4","1","2","3","2","3","1") = "3"
    & skf21("2","4","1","2","3","2","4","1") = "3"
    & skf21("2","4","1","2","3","2","5","1") = "4"
    & skf21("2","4","1","2","3","2","6","1") = "5"
    & skf21("2","4","1","2","3","2","7","1") = "6"
    & skf21("2","4","1","2","3","3","1","1") = "3"
    & skf21("2","4","1","2","3","3","2","1") = "3"
    & skf21("2","4","1","2","3","3","3","1") = "3"
    & skf21("2","4","1","2","3","3","4","1") = "3"
    & skf21("2","4","1","2","3","3","5","1") = "4"
    & skf21("2","4","1","2","3","3","6","1") = "5"
    & skf21("2","4","1","2","3","3","7","1") = "6"
    & skf21("2","4","1","2","3","4","1","1") = "3"
    & skf21("2","4","1","2","3","4","2","1") = "3"
    & skf21("2","4","1","2","3","4","3","1") = "3"
    & skf21("2","4","1","2","3","4","4","1") = "3"
    & skf21("2","4","1","2","3","4","5","1") = "4"
    & skf21("2","4","1","2","3","4","6","1") = "5"
    & skf21("2","4","1","2","3","4","7","1") = "6"
    & skf21("2","4","1","2","3","5","1","1") = "4"
    & skf21("2","4","1","2","3","5","2","1") = "4"
    & skf21("2","4","1","2","3","5","3","1") = "4"
    & skf21("2","4","1","2","3","5","4","1") = "4"
    & skf21("2","4","1","2","3","5","5","1") = "4"
    & skf21("2","4","1","2","3","5","6","1") = "5"
    & skf21("2","4","1","2","3","5","7","1") = "6"
    & skf21("2","4","1","2","3","6","1","1") = "5"
    & skf21("2","4","1","2","3","6","2","1") = "5"
    & skf21("2","4","1","2","3","6","3","1") = "5"
    & skf21("2","4","1","2","3","6","4","1") = "5"
    & skf21("2","4","1","2","3","6","5","1") = "5"
    & skf21("2","4","1","2","3","6","6","1") = "5"
    & skf21("2","4","1","2","3","6","7","1") = "6"
    & skf21("2","4","1","2","3","7","1","1") = "6"
    & skf21("2","4","1","2","3","7","2","1") = "6"
    & skf21("2","4","1","2","3","7","3","1") = "6"
    & skf21("2","4","1","2","3","7","4","1") = "6"
    & skf21("2","4","1","2","3","7","5","1") = "6"
    & skf21("2","4","1","2","3","7","6","1") = "6"
    & skf21("2","4","1","2","3","7","7","1") = "6"
    & skf21("2","4","1","2","4","1","1","1") = "3"
    & skf21("2","4","1","2","4","1","2","1") = "3"
    & skf21("2","4","1","2","4","1","3","1") = "3"
    & skf21("2","4","1","2","4","1","4","1") = "3"
    & skf21("2","4","1","2","4","1","5","1") = "4"
    & skf21("2","4","1","2","4","1","6","1") = "5"
    & skf21("2","4","1","2","4","1","7","1") = "6"
    & skf21("2","4","1","2","4","2","1","1") = "3"
    & skf21("2","4","1","2","4","2","2","1") = "3"
    & skf21("2","4","1","2","4","2","3","1") = "3"
    & skf21("2","4","1","2","4","2","4","1") = "3"
    & skf21("2","4","1","2","4","2","5","1") = "4"
    & skf21("2","4","1","2","4","2","6","1") = "5"
    & skf21("2","4","1","2","4","2","7","1") = "6"
    & skf21("2","4","1","2","4","3","1","1") = "3"
    & skf21("2","4","1","2","4","3","2","1") = "3"
    & skf21("2","4","1","2","4","3","3","1") = "3"
    & skf21("2","4","1","2","4","3","4","1") = "3"
    & skf21("2","4","1","2","4","3","5","1") = "4"
    & skf21("2","4","1","2","4","3","6","1") = "5"
    & skf21("2","4","1","2","4","3","7","1") = "6"
    & skf21("2","4","1","2","4","4","1","1") = "3"
    & skf21("2","4","1","2","4","4","2","1") = "3"
    & skf21("2","4","1","2","4","4","3","1") = "3"
    & skf21("2","4","1","2","4","4","4","1") = "3"
    & skf21("2","4","1","2","4","4","5","1") = "4"
    & skf21("2","4","1","2","4","4","6","1") = "5"
    & skf21("2","4","1","2","4","4","7","1") = "6"
    & skf21("2","4","1","2","4","5","1","1") = "4"
    & skf21("2","4","1","2","4","5","2","1") = "4"
    & skf21("2","4","1","2","4","5","3","1") = "4"
    & skf21("2","4","1","2","4","5","4","1") = "4"
    & skf21("2","4","1","2","4","5","5","1") = "4"
    & skf21("2","4","1","2","4","5","6","1") = "5"
    & skf21("2","4","1","2","4","5","7","1") = "6"
    & skf21("2","4","1","2","4","6","1","1") = "5"
    & skf21("2","4","1","2","4","6","2","1") = "5"
    & skf21("2","4","1","2","4","6","3","1") = "5"
    & skf21("2","4","1","2","4","6","4","1") = "5"
    & skf21("2","4","1","2","4","6","5","1") = "5"
    & skf21("2","4","1","2","4","6","6","1") = "5"
    & skf21("2","4","1","2","4","6","7","1") = "6"
    & skf21("2","4","1","2","4","7","1","1") = "6"
    & skf21("2","4","1","2","4","7","2","1") = "6"
    & skf21("2","4","1","2","4","7","3","1") = "6"
    & skf21("2","4","1","2","4","7","4","1") = "6"
    & skf21("2","4","1","2","4","7","5","1") = "6"
    & skf21("2","4","1","2","4","7","6","1") = "6"
    & skf21("2","4","1","2","4","7","7","1") = "6"
    & skf21("2","4","1","2","5","1","1","1") = "4"
    & skf21("2","4","1","2","5","1","2","1") = "4"
    & skf21("2","4","1","2","5","1","3","1") = "4"
    & skf21("2","4","1","2","5","1","4","1") = "4"
    & skf21("2","4","1","2","5","1","5","1") = "4"
    & skf21("2","4","1","2","5","1","6","1") = "5"
    & skf21("2","4","1","2","5","1","7","1") = "6"
    & skf21("2","4","1","2","5","2","1","1") = "4"
    & skf21("2","4","1","2","5","2","2","1") = "4"
    & skf21("2","4","1","2","5","2","3","1") = "4"
    & skf21("2","4","1","2","5","2","4","1") = "4"
    & skf21("2","4","1","2","5","2","5","1") = "4"
    & skf21("2","4","1","2","5","2","6","1") = "5"
    & skf21("2","4","1","2","5","2","7","1") = "6"
    & skf21("2","4","1","2","5","3","1","1") = "4"
    & skf21("2","4","1","2","5","3","2","1") = "4"
    & skf21("2","4","1","2","5","3","3","1") = "4"
    & skf21("2","4","1","2","5","3","4","1") = "4"
    & skf21("2","4","1","2","5","3","5","1") = "4"
    & skf21("2","4","1","2","5","3","6","1") = "5"
    & skf21("2","4","1","2","5","3","7","1") = "6"
    & skf21("2","4","1","2","5","4","1","1") = "4"
    & skf21("2","4","1","2","5","4","2","1") = "4"
    & skf21("2","4","1","2","5","4","3","1") = "4"
    & skf21("2","4","1","2","5","4","4","1") = "4"
    & skf21("2","4","1","2","5","4","5","1") = "4"
    & skf21("2","4","1","2","5","4","6","1") = "5"
    & skf21("2","4","1","2","5","4","7","1") = "6"
    & skf21("2","4","1","2","5","5","1","1") = "4"
    & skf21("2","4","1","2","5","5","2","1") = "4"
    & skf21("2","4","1","2","5","5","3","1") = "4"
    & skf21("2","4","1","2","5","5","4","1") = "4"
    & skf21("2","4","1","2","5","5","5","1") = "4"
    & skf21("2","4","1","2","5","5","6","1") = "5"
    & skf21("2","4","1","2","5","5","7","1") = "6"
    & skf21("2","4","1","2","5","6","1","1") = "5"
    & skf21("2","4","1","2","5","6","2","1") = "5"
    & skf21("2","4","1","2","5","6","3","1") = "5"
    & skf21("2","4","1","2","5","6","4","1") = "5"
    & skf21("2","4","1","2","5","6","5","1") = "5"
    & skf21("2","4","1","2","5","6","6","1") = "5"
    & skf21("2","4","1","2","5","6","7","1") = "6"
    & skf21("2","4","1","2","5","7","1","1") = "6"
    & skf21("2","4","1","2","5","7","2","1") = "6"
    & skf21("2","4","1","2","5","7","3","1") = "6"
    & skf21("2","4","1","2","5","7","4","1") = "6"
    & skf21("2","4","1","2","5","7","5","1") = "6"
    & skf21("2","4","1","2","5","7","6","1") = "6"
    & skf21("2","4","1","2","5","7","7","1") = "6"
    & skf21("2","4","1","2","6","1","1","1") = "5"
    & skf21("2","4","1","2","6","1","2","1") = "5"
    & skf21("2","4","1","2","6","1","3","1") = "5"
    & skf21("2","4","1","2","6","1","4","1") = "5"
    & skf21("2","4","1","2","6","1","5","1") = "5"
    & skf21("2","4","1","2","6","1","6","1") = "5"
    & skf21("2","4","1","2","6","1","7","1") = "6"
    & skf21("2","4","1","2","6","2","1","1") = "5"
    & skf21("2","4","1","2","6","2","2","1") = "5"
    & skf21("2","4","1","2","6","2","3","1") = "5"
    & skf21("2","4","1","2","6","2","4","1") = "5"
    & skf21("2","4","1","2","6","2","5","1") = "5"
    & skf21("2","4","1","2","6","2","6","1") = "5"
    & skf21("2","4","1","2","6","2","7","1") = "6"
    & skf21("2","4","1","2","6","3","1","1") = "5"
    & skf21("2","4","1","2","6","3","2","1") = "5"
    & skf21("2","4","1","2","6","3","3","1") = "5"
    & skf21("2","4","1","2","6","3","4","1") = "5"
    & skf21("2","4","1","2","6","3","5","1") = "5"
    & skf21("2","4","1","2","6","3","6","1") = "5"
    & skf21("2","4","1","2","6","3","7","1") = "6"
    & skf21("2","4","1","2","6","4","1","1") = "5"
    & skf21("2","4","1","2","6","4","2","1") = "5"
    & skf21("2","4","1","2","6","4","3","1") = "5"
    & skf21("2","4","1","2","6","4","4","1") = "5"
    & skf21("2","4","1","2","6","4","5","1") = "5"
    & skf21("2","4","1","2","6","4","6","1") = "5"
    & skf21("2","4","1","2","6","4","7","1") = "6"
    & skf21("2","4","1","2","6","5","1","1") = "5"
    & skf21("2","4","1","2","6","5","2","1") = "5"
    & skf21("2","4","1","2","6","5","3","1") = "5"
    & skf21("2","4","1","2","6","5","4","1") = "5"
    & skf21("2","4","1","2","6","5","5","1") = "5"
    & skf21("2","4","1","2","6","5","6","1") = "5"
    & skf21("2","4","1","2","6","5","7","1") = "6"
    & skf21("2","4","1","2","6","6","1","1") = "5"
    & skf21("2","4","1","2","6","6","2","1") = "5"
    & skf21("2","4","1","2","6","6","3","1") = "5"
    & skf21("2","4","1","2","6","6","4","1") = "5"
    & skf21("2","4","1","2","6","6","5","1") = "5"
    & skf21("2","4","1","2","6","6","6","1") = "5"
    & skf21("2","4","1","2","6","6","7","1") = "6"
    & skf21("2","4","1","2","6","7","1","1") = "6"
    & skf21("2","4","1","2","6","7","2","1") = "6"
    & skf21("2","4","1","2","6","7","3","1") = "6"
    & skf21("2","4","1","2","6","7","4","1") = "6"
    & skf21("2","4","1","2","6","7","5","1") = "6"
    & skf21("2","4","1","2","6","7","6","1") = "6"
    & skf21("2","4","1","2","6","7","7","1") = "6"
    & skf21("2","4","1","2","7","1","1","1") = "6"
    & skf21("2","4","1","2","7","1","2","1") = "6"
    & skf21("2","4","1","2","7","1","3","1") = "6"
    & skf21("2","4","1","2","7","1","4","1") = "6"
    & skf21("2","4","1","2","7","1","5","1") = "6"
    & skf21("2","4","1","2","7","1","6","1") = "6"
    & skf21("2","4","1","2","7","1","7","1") = "6"
    & skf21("2","4","1","2","7","2","1","1") = "6"
    & skf21("2","4","1","2","7","2","2","1") = "6"
    & skf21("2","4","1","2","7","2","3","1") = "6"
    & skf21("2","4","1","2","7","2","4","1") = "6"
    & skf21("2","4","1","2","7","2","5","1") = "6"
    & skf21("2","4","1","2","7","2","6","1") = "6"
    & skf21("2","4","1","2","7","2","7","1") = "6"
    & skf21("2","4","1","2","7","3","1","1") = "6"
    & skf21("2","4","1","2","7","3","2","1") = "6"
    & skf21("2","4","1","2","7","3","3","1") = "6"
    & skf21("2","4","1","2","7","3","4","1") = "6"
    & skf21("2","4","1","2","7","3","5","1") = "6"
    & skf21("2","4","1","2","7","3","6","1") = "6"
    & skf21("2","4","1","2","7","3","7","1") = "6"
    & skf21("2","4","1","2","7","4","1","1") = "6"
    & skf21("2","4","1","2","7","4","2","1") = "6"
    & skf21("2","4","1","2","7","4","3","1") = "6"
    & skf21("2","4","1","2","7","4","4","1") = "6"
    & skf21("2","4","1","2","7","4","5","1") = "6"
    & skf21("2","4","1","2","7","4","6","1") = "6"
    & skf21("2","4","1","2","7","4","7","1") = "6"
    & skf21("2","4","1","2","7","5","1","1") = "6"
    & skf21("2","4","1","2","7","5","2","1") = "6"
    & skf21("2","4","1","2","7","5","3","1") = "6"
    & skf21("2","4","1","2","7","5","4","1") = "6"
    & skf21("2","4","1","2","7","5","5","1") = "6"
    & skf21("2","4","1","2","7","5","6","1") = "6"
    & skf21("2","4","1","2","7","5","7","1") = "6"
    & skf21("2","4","1","2","7","6","1","1") = "6"
    & skf21("2","4","1","2","7","6","2","1") = "6"
    & skf21("2","4","1","2","7","6","3","1") = "6"
    & skf21("2","4","1","2","7","6","4","1") = "6"
    & skf21("2","4","1","2","7","6","5","1") = "6"
    & skf21("2","4","1","2","7","6","6","1") = "6"
    & skf21("2","4","1","2","7","6","7","1") = "6"
    & skf21("2","4","1","2","7","7","1","1") = "6"
    & skf21("2","4","1","2","7","7","2","1") = "6"
    & skf21("2","4","1","2","7","7","3","1") = "6"
    & skf21("2","4","1","2","7","7","4","1") = "6"
    & skf21("2","4","1","2","7","7","5","1") = "6"
    & skf21("2","4","1","2","7","7","6","1") = "6"
    & skf21("2","4","1","2","7","7","7","1") = "6"
    & skf21("2","4","1","3","1","1","1","1") = "3"
    & skf21("2","4","1","3","1","1","2","1") = "3"
    & skf21("2","4","1","3","1","1","3","1") = "3"
    & skf21("2","4","1","3","1","1","4","1") = "3"
    & skf21("2","4","1","3","1","1","5","1") = "4"
    & skf21("2","4","1","3","1","1","6","1") = "5"
    & skf21("2","4","1","3","1","1","7","1") = "6"
    & skf21("2","4","1","3","1","2","1","1") = "3"
    & skf21("2","4","1","3","1","2","2","1") = "3"
    & skf21("2","4","1","3","1","2","3","1") = "3"
    & skf21("2","4","1","3","1","2","4","1") = "3"
    & skf21("2","4","1","3","1","2","5","1") = "4"
    & skf21("2","4","1","3","1","2","6","1") = "5"
    & skf21("2","4","1","3","1","2","7","1") = "6"
    & skf21("2","4","1","3","1","3","1","1") = "3"
    & skf21("2","4","1","3","1","3","2","1") = "3"
    & skf21("2","4","1","3","1","3","3","1") = "3"
    & skf21("2","4","1","3","1","3","4","1") = "3"
    & skf21("2","4","1","3","1","3","5","1") = "4"
    & skf21("2","4","1","3","1","3","6","1") = "5"
    & skf21("2","4","1","3","1","3","7","1") = "6"
    & skf21("2","4","1","3","1","4","1","1") = "3"
    & skf21("2","4","1","3","1","4","2","1") = "3"
    & skf21("2","4","1","3","1","4","3","1") = "3"
    & skf21("2","4","1","3","1","4","4","1") = "3"
    & skf21("2","4","1","3","1","4","5","1") = "4"
    & skf21("2","4","1","3","1","4","6","1") = "5"
    & skf21("2","4","1","3","1","4","7","1") = "6"
    & skf21("2","4","1","3","1","5","1","1") = "4"
    & skf21("2","4","1","3","1","5","2","1") = "4"
    & skf21("2","4","1","3","1","5","3","1") = "4"
    & skf21("2","4","1","3","1","5","4","1") = "4"
    & skf21("2","4","1","3","1","5","5","1") = "4"
    & skf21("2","4","1","3","1","5","6","1") = "5"
    & skf21("2","4","1","3","1","5","7","1") = "6"
    & skf21("2","4","1","3","1","6","1","1") = "5"
    & skf21("2","4","1","3","1","6","2","1") = "5"
    & skf21("2","4","1","3","1","6","3","1") = "5"
    & skf21("2","4","1","3","1","6","4","1") = "5"
    & skf21("2","4","1","3","1","6","5","1") = "5"
    & skf21("2","4","1","3","1","6","6","1") = "5"
    & skf21("2","4","1","3","1","6","7","1") = "6"
    & skf21("2","4","1","3","1","7","1","1") = "6"
    & skf21("2","4","1","3","1","7","2","1") = "6"
    & skf21("2","4","1","3","1","7","3","1") = "6"
    & skf21("2","4","1","3","1","7","4","1") = "6"
    & skf21("2","4","1","3","1","7","5","1") = "6"
    & skf21("2","4","1","3","1","7","6","1") = "6"
    & skf21("2","4","1","3","1","7","7","1") = "6"
    & skf21("2","4","1","3","2","1","1","1") = "3"
    & skf21("2","4","1","3","2","1","2","1") = "3"
    & skf21("2","4","1","3","2","1","3","1") = "3"
    & skf21("2","4","1","3","2","1","4","1") = "3"
    & skf21("2","4","1","3","2","1","5","1") = "4"
    & skf21("2","4","1","3","2","1","6","1") = "5"
    & skf21("2","4","1","3","2","1","7","1") = "6"
    & skf21("2","4","1","3","2","2","1","1") = "3"
    & skf21("2","4","1","3","2","2","2","1") = "3"
    & skf21("2","4","1","3","2","2","3","1") = "3"
    & skf21("2","4","1","3","2","2","4","1") = "3"
    & skf21("2","4","1","3","2","2","5","1") = "4"
    & skf21("2","4","1","3","2","2","6","1") = "5"
    & skf21("2","4","1","3","2","2","7","1") = "6"
    & skf21("2","4","1","3","2","3","1","1") = "3"
    & skf21("2","4","1","3","2","3","2","1") = "3"
    & skf21("2","4","1","3","2","3","3","1") = "3"
    & skf21("2","4","1","3","2","3","4","1") = "3"
    & skf21("2","4","1","3","2","3","5","1") = "4"
    & skf21("2","4","1","3","2","3","6","1") = "5"
    & skf21("2","4","1","3","2","3","7","1") = "6"
    & skf21("2","4","1","3","2","4","1","1") = "3"
    & skf21("2","4","1","3","2","4","2","1") = "3"
    & skf21("2","4","1","3","2","4","3","1") = "3"
    & skf21("2","4","1","3","2","4","4","1") = "3"
    & skf21("2","4","1","3","2","4","5","1") = "4"
    & skf21("2","4","1","3","2","4","6","1") = "5"
    & skf21("2","4","1","3","2","4","7","1") = "6"
    & skf21("2","4","1","3","2","5","1","1") = "4"
    & skf21("2","4","1","3","2","5","2","1") = "4"
    & skf21("2","4","1","3","2","5","3","1") = "4"
    & skf21("2","4","1","3","2","5","4","1") = "4"
    & skf21("2","4","1","3","2","5","5","1") = "4"
    & skf21("2","4","1","3","2","5","6","1") = "5"
    & skf21("2","4","1","3","2","5","7","1") = "6"
    & skf21("2","4","1","3","2","6","1","1") = "5"
    & skf21("2","4","1","3","2","6","2","1") = "5"
    & skf21("2","4","1","3","2","6","3","1") = "5"
    & skf21("2","4","1","3","2","6","4","1") = "5"
    & skf21("2","4","1","3","2","6","5","1") = "5"
    & skf21("2","4","1","3","2","6","6","1") = "5"
    & skf21("2","4","1","3","2","6","7","1") = "6"
    & skf21("2","4","1","3","2","7","1","1") = "6"
    & skf21("2","4","1","3","2","7","2","1") = "6"
    & skf21("2","4","1","3","2","7","3","1") = "6"
    & skf21("2","4","1","3","2","7","4","1") = "6"
    & skf21("2","4","1","3","2","7","5","1") = "6"
    & skf21("2","4","1","3","2","7","6","1") = "6"
    & skf21("2","4","1","3","2","7","7","1") = "6"
    & skf21("2","4","1","3","3","1","1","1") = "3"
    & skf21("2","4","1","3","3","1","2","1") = "3"
    & skf21("2","4","1","3","3","1","3","1") = "3"
    & skf21("2","4","1","3","3","1","4","1") = "3"
    & skf21("2","4","1","3","3","1","5","1") = "4"
    & skf21("2","4","1","3","3","1","6","1") = "5"
    & skf21("2","4","1","3","3","1","7","1") = "6"
    & skf21("2","4","1","3","3","2","1","1") = "3"
    & skf21("2","4","1","3","3","2","2","1") = "3"
    & skf21("2","4","1","3","3","2","3","1") = "3"
    & skf21("2","4","1","3","3","2","4","1") = "3"
    & skf21("2","4","1","3","3","2","5","1") = "4"
    & skf21("2","4","1","3","3","2","6","1") = "5"
    & skf21("2","4","1","3","3","2","7","1") = "6"
    & skf21("2","4","1","3","3","3","1","1") = "3"
    & skf21("2","4","1","3","3","3","2","1") = "3"
    & skf21("2","4","1","3","3","3","3","1") = "3"
    & skf21("2","4","1","3","3","3","4","1") = "3"
    & skf21("2","4","1","3","3","3","5","1") = "4"
    & skf21("2","4","1","3","3","3","6","1") = "5"
    & skf21("2","4","1","3","3","3","7","1") = "6"
    & skf21("2","4","1","3","3","4","1","1") = "3"
    & skf21("2","4","1","3","3","4","2","1") = "3"
    & skf21("2","4","1","3","3","4","3","1") = "3"
    & skf21("2","4","1","3","3","4","4","1") = "3"
    & skf21("2","4","1","3","3","4","5","1") = "4"
    & skf21("2","4","1","3","3","4","6","1") = "5"
    & skf21("2","4","1","3","3","4","7","1") = "6"
    & skf21("2","4","1","3","3","5","1","1") = "4"
    & skf21("2","4","1","3","3","5","2","1") = "4"
    & skf21("2","4","1","3","3","5","3","1") = "4"
    & skf21("2","4","1","3","3","5","4","1") = "4"
    & skf21("2","4","1","3","3","5","5","1") = "4"
    & skf21("2","4","1","3","3","5","6","1") = "5"
    & skf21("2","4","1","3","3","5","7","1") = "6"
    & skf21("2","4","1","3","3","6","1","1") = "5"
    & skf21("2","4","1","3","3","6","2","1") = "5"
    & skf21("2","4","1","3","3","6","3","1") = "5"
    & skf21("2","4","1","3","3","6","4","1") = "5"
    & skf21("2","4","1","3","3","6","5","1") = "5"
    & skf21("2","4","1","3","3","6","6","1") = "5"
    & skf21("2","4","1","3","3","6","7","1") = "6"
    & skf21("2","4","1","3","3","7","1","1") = "6"
    & skf21("2","4","1","3","3","7","2","1") = "6"
    & skf21("2","4","1","3","3","7","3","1") = "6"
    & skf21("2","4","1","3","3","7","4","1") = "6"
    & skf21("2","4","1","3","3","7","5","1") = "6"
    & skf21("2","4","1","3","3","7","6","1") = "6"
    & skf21("2","4","1","3","3","7","7","1") = "6"
    & skf21("2","4","1","3","4","1","1","1") = "3"
    & skf21("2","4","1","3","4","1","2","1") = "3"
    & skf21("2","4","1","3","4","1","3","1") = "3"
    & skf21("2","4","1","3","4","1","4","1") = "3"
    & skf21("2","4","1","3","4","1","5","1") = "4"
    & skf21("2","4","1","3","4","1","6","1") = "5"
    & skf21("2","4","1","3","4","1","7","1") = "6"
    & skf21("2","4","1","3","4","2","1","1") = "3"
    & skf21("2","4","1","3","4","2","2","1") = "3"
    & skf21("2","4","1","3","4","2","3","1") = "3"
    & skf21("2","4","1","3","4","2","4","1") = "3"
    & skf21("2","4","1","3","4","2","5","1") = "4"
    & skf21("2","4","1","3","4","2","6","1") = "5"
    & skf21("2","4","1","3","4","2","7","1") = "6"
    & skf21("2","4","1","3","4","3","1","1") = "3"
    & skf21("2","4","1","3","4","3","2","1") = "3"
    & skf21("2","4","1","3","4","3","3","1") = "3"
    & skf21("2","4","1","3","4","3","4","1") = "3"
    & skf21("2","4","1","3","4","3","5","1") = "4"
    & skf21("2","4","1","3","4","3","6","1") = "5"
    & skf21("2","4","1","3","4","3","7","1") = "6"
    & skf21("2","4","1","3","4","4","1","1") = "3"
    & skf21("2","4","1","3","4","4","2","1") = "3"
    & skf21("2","4","1","3","4","4","3","1") = "2"
    & skf21("2","4","1","3","4","4","4","1") = "2"
    & skf21("2","4","1","3","4","4","5","1") = "4"
    & skf21("2","4","1","3","4","4","6","1") = "5"
    & skf21("2","4","1","3","4","4","7","1") = "6"
    & skf21("2","4","1","3","4","5","1","1") = "4"
    & skf21("2","4","1","3","4","5","2","1") = "4"
    & skf21("2","4","1","3","4","5","3","1") = "4"
    & skf21("2","4","1","3","4","5","4","1") = "4"
    & skf21("2","4","1","3","4","5","5","1") = "4"
    & skf21("2","4","1","3","4","5","6","1") = "5"
    & skf21("2","4","1","3","4","5","7","1") = "6"
    & skf21("2","4","1","3","4","6","1","1") = "5"
    & skf21("2","4","1","3","4","6","2","1") = "5"
    & skf21("2","4","1","3","4","6","3","1") = "5"
    & skf21("2","4","1","3","4","6","4","1") = "5"
    & skf21("2","4","1","3","4","6","5","1") = "5"
    & skf21("2","4","1","3","4","6","6","1") = "5"
    & skf21("2","4","1","3","4","6","7","1") = "6"
    & skf21("2","4","1","3","4","7","1","1") = "6"
    & skf21("2","4","1","3","4","7","2","1") = "6"
    & skf21("2","4","1","3","4","7","3","1") = "6"
    & skf21("2","4","1","3","4","7","4","1") = "6"
    & skf21("2","4","1","3","4","7","5","1") = "6"
    & skf21("2","4","1","3","4","7","6","1") = "6"
    & skf21("2","4","1","3","4","7","7","1") = "6"
    & skf21("2","4","1","3","5","1","1","1") = "4"
    & skf21("2","4","1","3","5","1","2","1") = "4"
    & skf21("2","4","1","3","5","1","3","1") = "4"
    & skf21("2","4","1","3","5","1","4","1") = "4"
    & skf21("2","4","1","3","5","1","5","1") = "4"
    & skf21("2","4","1","3","5","1","6","1") = "5"
    & skf21("2","4","1","3","5","1","7","1") = "6"
    & skf21("2","4","1","3","5","2","1","1") = "4"
    & skf21("2","4","1","3","5","2","2","1") = "4"
    & skf21("2","4","1","3","5","2","3","1") = "4"
    & skf21("2","4","1","3","5","2","4","1") = "4"
    & skf21("2","4","1","3","5","2","5","1") = "4"
    & skf21("2","4","1","3","5","2","6","1") = "5"
    & skf21("2","4","1","3","5","2","7","1") = "6"
    & skf21("2","4","1","3","5","3","1","1") = "4"
    & skf21("2","4","1","3","5","3","2","1") = "4"
    & skf21("2","4","1","3","5","3","3","1") = "4"
    & skf21("2","4","1","3","5","3","4","1") = "4"
    & skf21("2","4","1","3","5","3","5","1") = "4"
    & skf21("2","4","1","3","5","3","6","1") = "5"
    & skf21("2","4","1","3","5","3","7","1") = "6"
    & skf21("2","4","1","3","5","4","1","1") = "4"
    & skf21("2","4","1","3","5","4","2","1") = "4"
    & skf21("2","4","1","3","5","4","3","1") = "4"
    & skf21("2","4","1","3","5","4","4","1") = "4"
    & skf21("2","4","1","3","5","4","5","1") = "4"
    & skf21("2","4","1","3","5","4","6","1") = "5"
    & skf21("2","4","1","3","5","4","7","1") = "6"
    & skf21("2","4","1","3","5","5","1","1") = "4"
    & skf21("2","4","1","3","5","5","2","1") = "4"
    & skf21("2","4","1","3","5","5","3","1") = "4"
    & skf21("2","4","1","3","5","5","4","1") = "4"
    & skf21("2","4","1","3","5","5","5","1") = "4"
    & skf21("2","4","1","3","5","5","6","1") = "5"
    & skf21("2","4","1","3","5","5","7","1") = "6"
    & skf21("2","4","1","3","5","6","1","1") = "5"
    & skf21("2","4","1","3","5","6","2","1") = "5"
    & skf21("2","4","1","3","5","6","3","1") = "5"
    & skf21("2","4","1","3","5","6","4","1") = "5"
    & skf21("2","4","1","3","5","6","5","1") = "5"
    & skf21("2","4","1","3","5","6","6","1") = "5"
    & skf21("2","4","1","3","5","6","7","1") = "6"
    & skf21("2","4","1","3","5","7","1","1") = "6"
    & skf21("2","4","1","3","5","7","2","1") = "6"
    & skf21("2","4","1","3","5","7","3","1") = "6"
    & skf21("2","4","1","3","5","7","4","1") = "6"
    & skf21("2","4","1","3","5","7","5","1") = "6"
    & skf21("2","4","1","3","5","7","6","1") = "6"
    & skf21("2","4","1","3","5","7","7","1") = "6"
    & skf21("2","4","1","3","6","1","1","1") = "5"
    & skf21("2","4","1","3","6","1","2","1") = "5"
    & skf21("2","4","1","3","6","1","3","1") = "5"
    & skf21("2","4","1","3","6","1","4","1") = "5"
    & skf21("2","4","1","3","6","1","5","1") = "5"
    & skf21("2","4","1","3","6","1","6","1") = "5"
    & skf21("2","4","1","3","6","1","7","1") = "6"
    & skf21("2","4","1","3","6","2","1","1") = "5"
    & skf21("2","4","1","3","6","2","2","1") = "5"
    & skf21("2","4","1","3","6","2","3","1") = "5"
    & skf21("2","4","1","3","6","2","4","1") = "5"
    & skf21("2","4","1","3","6","2","5","1") = "5"
    & skf21("2","4","1","3","6","2","6","1") = "5"
    & skf21("2","4","1","3","6","2","7","1") = "6"
    & skf21("2","4","1","3","6","3","1","1") = "5"
    & skf21("2","4","1","3","6","3","2","1") = "5"
    & skf21("2","4","1","3","6","3","3","1") = "5"
    & skf21("2","4","1","3","6","3","4","1") = "5"
    & skf21("2","4","1","3","6","3","5","1") = "5"
    & skf21("2","4","1","3","6","3","6","1") = "5"
    & skf21("2","4","1","3","6","3","7","1") = "6"
    & skf21("2","4","1","3","6","4","1","1") = "5"
    & skf21("2","4","1","3","6","4","2","1") = "5"
    & skf21("2","4","1","3","6","4","3","1") = "5"
    & skf21("2","4","1","3","6","4","4","1") = "5"
    & skf21("2","4","1","3","6","4","5","1") = "5"
    & skf21("2","4","1","3","6","4","6","1") = "5"
    & skf21("2","4","1","3","6","4","7","1") = "6"
    & skf21("2","4","1","3","6","5","1","1") = "5"
    & skf21("2","4","1","3","6","5","2","1") = "5"
    & skf21("2","4","1","3","6","5","3","1") = "5"
    & skf21("2","4","1","3","6","5","4","1") = "5"
    & skf21("2","4","1","3","6","5","5","1") = "5"
    & skf21("2","4","1","3","6","5","6","1") = "5"
    & skf21("2","4","1","3","6","5","7","1") = "6"
    & skf21("2","4","1","3","6","6","1","1") = "5"
    & skf21("2","4","1","3","6","6","2","1") = "5"
    & skf21("2","4","1","3","6","6","3","1") = "5"
    & skf21("2","4","1","3","6","6","4","1") = "5"
    & skf21("2","4","1","3","6","6","5","1") = "5"
    & skf21("2","4","1","3","6","6","6","1") = "5"
    & skf21("2","4","1","3","6","6","7","1") = "6"
    & skf21("2","4","1","3","6","7","1","1") = "6"
    & skf21("2","4","1","3","6","7","2","1") = "6"
    & skf21("2","4","1","3","6","7","3","1") = "6"
    & skf21("2","4","1","3","6","7","4","1") = "6"
    & skf21("2","4","1","3","6","7","5","1") = "6"
    & skf21("2","4","1","3","6","7","6","1") = "6"
    & skf21("2","4","1","3","6","7","7","1") = "6"
    & skf21("2","4","1","3","7","1","1","1") = "6"
    & skf21("2","4","1","3","7","1","2","1") = "6"
    & skf21("2","4","1","3","7","1","3","1") = "6"
    & skf21("2","4","1","3","7","1","4","1") = "6"
    & skf21("2","4","1","3","7","1","5","1") = "6"
    & skf21("2","4","1","3","7","1","6","1") = "6"
    & skf21("2","4","1","3","7","1","7","1") = "6"
    & skf21("2","4","1","3","7","2","1","1") = "6"
    & skf21("2","4","1","3","7","2","2","1") = "6"
    & skf21("2","4","1","3","7","2","3","1") = "6"
    & skf21("2","4","1","3","7","2","4","1") = "6"
    & skf21("2","4","1","3","7","2","5","1") = "6"
    & skf21("2","4","1","3","7","2","6","1") = "6"
    & skf21("2","4","1","3","7","2","7","1") = "6"
    & skf21("2","4","1","3","7","3","1","1") = "6"
    & skf21("2","4","1","3","7","3","2","1") = "6"
    & skf21("2","4","1","3","7","3","3","1") = "6"
    & skf21("2","4","1","3","7","3","4","1") = "6"
    & skf21("2","4","1","3","7","3","5","1") = "6"
    & skf21("2","4","1","3","7","3","6","1") = "6"
    & skf21("2","4","1","3","7","3","7","1") = "6"
    & skf21("2","4","1","3","7","4","1","1") = "6"
    & skf21("2","4","1","3","7","4","2","1") = "6"
    & skf21("2","4","1","3","7","4","3","1") = "6"
    & skf21("2","4","1","3","7","4","4","1") = "6"
    & skf21("2","4","1","3","7","4","5","1") = "6"
    & skf21("2","4","1","3","7","4","6","1") = "6"
    & skf21("2","4","1","3","7","4","7","1") = "6"
    & skf21("2","4","1","3","7","5","1","1") = "6"
    & skf21("2","4","1","3","7","5","2","1") = "6"
    & skf21("2","4","1","3","7","5","3","1") = "6"
    & skf21("2","4","1","3","7","5","4","1") = "6"
    & skf21("2","4","1","3","7","5","5","1") = "6"
    & skf21("2","4","1","3","7","5","6","1") = "6"
    & skf21("2","4","1","3","7","5","7","1") = "6"
    & skf21("2","4","1","3","7","6","1","1") = "6"
    & skf21("2","4","1","3","7","6","2","1") = "6"
    & skf21("2","4","1","3","7","6","3","1") = "6"
    & skf21("2","4","1","3","7","6","4","1") = "6"
    & skf21("2","4","1","3","7","6","5","1") = "6"
    & skf21("2","4","1","3","7","6","6","1") = "6"
    & skf21("2","4","1","3","7","6","7","1") = "6"
    & skf21("2","4","1","3","7","7","1","1") = "6"
    & skf21("2","4","1","3","7","7","2","1") = "6"
    & skf21("2","4","1","3","7","7","3","1") = "6"
    & skf21("2","4","1","3","7","7","4","1") = "6"
    & skf21("2","4","1","3","7","7","5","1") = "6"
    & skf21("2","4","1","3","7","7","6","1") = "6"
    & skf21("2","4","1","3","7","7","7","1") = "6"
    & skf21("2","4","1","4","1","1","1","1") = "3"
    & skf21("2","4","1","4","1","1","2","1") = "2"
    & skf21("2","4","1","4","1","1","3","1") = "2"
    & skf21("2","4","1","4","1","1","4","1") = "3"
    & skf21("2","4","1","4","1","1","5","1") = "4"
    & skf21("2","4","1","4","1","1","6","1") = "5"
    & skf21("2","4","1","4","1","1","7","1") = "6"
    & skf21("2","4","1","4","1","2","1","1") = "2"
    & skf21("2","4","1","4","1","2","2","1") = "2"
    & skf21("2","4","1","4","1","2","3","1") = "3"
    & skf21("2","4","1","4","1","2","4","1") = "2"
    & skf21("2","4","1","4","1","2","5","1") = "4"
    & skf21("2","4","1","4","1","2","6","1") = "5"
    & skf21("2","4","1","4","1","2","7","1") = "6"
    & skf21("2","4","1","4","1","3","1","1") = "3"
    & skf21("2","4","1","4","1","3","2","1") = "3"
    & skf21("2","4","1","4","1","3","3","1") = "3"
    & skf21("2","4","1","4","1","3","4","1") = "3"
    & skf21("2","4","1","4","1","3","5","1") = "4"
    & skf21("2","4","1","4","1","3","6","1") = "5"
    & skf21("2","4","1","4","1","3","7","1") = "6"
    & skf21("2","4","1","4","1","4","1","1") = "3"
    & skf21("2","4","1","4","1","4","2","1") = "3"
    & skf21("2","4","1","4","1","4","3","1") = "3"
    & skf21("2","4","1","4","1","4","4","1") = "3"
    & skf21("2","4","1","4","1","4","5","1") = "4"
    & skf21("2","4","1","4","1","4","6","1") = "5"
    & skf21("2","4","1","4","1","4","7","1") = "6"
    & skf21("2","4","1","4","1","5","1","1") = "4"
    & skf21("2","4","1","4","1","5","2","1") = "4"
    & skf21("2","4","1","4","1","5","3","1") = "4"
    & skf21("2","4","1","4","1","5","4","1") = "4"
    & skf21("2","4","1","4","1","5","5","1") = "4"
    & skf21("2","4","1","4","1","5","6","1") = "5"
    & skf21("2","4","1","4","1","5","7","1") = "6"
    & skf21("2","4","1","4","1","6","1","1") = "5"
    & skf21("2","4","1","4","1","6","2","1") = "5"
    & skf21("2","4","1","4","1","6","3","1") = "5"
    & skf21("2","4","1","4","1","6","4","1") = "5"
    & skf21("2","4","1","4","1","6","5","1") = "5"
    & skf21("2","4","1","4","1","6","6","1") = "5"
    & skf21("2","4","1","4","1","6","7","1") = "6"
    & skf21("2","4","1","4","1","7","1","1") = "6"
    & skf21("2","4","1","4","1","7","2","1") = "6"
    & skf21("2","4","1","4","1","7","3","1") = "6"
    & skf21("2","4","1","4","1","7","4","1") = "6"
    & skf21("2","4","1","4","1","7","5","1") = "6"
    & skf21("2","4","1","4","1","7","6","1") = "6"
    & skf21("2","4","1","4","1","7","7","1") = "6"
    & skf21("2","4","1","4","2","1","1","1") = "3"
    & skf21("2","4","1","4","2","1","2","1") = "3"
    & skf21("2","4","1","4","2","1","3","1") = "3"
    & skf21("2","4","1","4","2","1","4","1") = "3"
    & skf21("2","4","1","4","2","1","5","1") = "4"
    & skf21("2","4","1","4","2","1","6","1") = "5"
    & skf21("2","4","1","4","2","1","7","1") = "6"
    & skf21("2","4","1","4","2","2","1","1") = "3"
    & skf21("2","4","1","4","2","2","2","1") = "3"
    & skf21("2","4","1","4","2","2","3","1") = "3"
    & skf21("2","4","1","4","2","2","4","1") = "3"
    & skf21("2","4","1","4","2","2","5","1") = "4"
    & skf21("2","4","1","4","2","2","6","1") = "5"
    & skf21("2","4","1","4","2","2","7","1") = "6"
    & skf21("2","4","1","4","2","3","1","1") = "3"
    & skf21("2","4","1","4","2","3","2","1") = "3"
    & skf21("2","4","1","4","2","3","3","1") = "3"
    & skf21("2","4","1","4","2","3","4","1") = "3"
    & skf21("2","4","1","4","2","3","5","1") = "4"
    & skf21("2","4","1","4","2","3","6","1") = "5"
    & skf21("2","4","1","4","2","3","7","1") = "6"
    & skf21("2","4","1","4","2","4","1","1") = "3"
    & skf21("2","4","1","4","2","4","2","1") = "3"
    & skf21("2","4","1","4","2","4","3","1") = "3"
    & skf21("2","4","1","4","2","4","4","1") = "3"
    & skf21("2","4","1","4","2","4","5","1") = "4"
    & skf21("2","4","1","4","2","4","6","1") = "5"
    & skf21("2","4","1","4","2","4","7","1") = "6"
    & skf21("2","4","1","4","2","5","1","1") = "4"
    & skf21("2","4","1","4","2","5","2","1") = "4"
    & skf21("2","4","1","4","2","5","3","1") = "4"
    & skf21("2","4","1","4","2","5","4","1") = "4"
    & skf21("2","4","1","4","2","5","5","1") = "4"
    & skf21("2","4","1","4","2","5","6","1") = "5"
    & skf21("2","4","1","4","2","5","7","1") = "6"
    & skf21("2","4","1","4","2","6","1","1") = "5"
    & skf21("2","4","1","4","2","6","2","1") = "5"
    & skf21("2","4","1","4","2","6","3","1") = "5"
    & skf21("2","4","1","4","2","6","4","1") = "5"
    & skf21("2","4","1","4","2","6","5","1") = "5"
    & skf21("2","4","1","4","2","6","6","1") = "5"
    & skf21("2","4","1","4","2","6","7","1") = "6"
    & skf21("2","4","1","4","2","7","1","1") = "6"
    & skf21("2","4","1","4","2","7","2","1") = "6"
    & skf21("2","4","1","4","2","7","3","1") = "6"
    & skf21("2","4","1","4","2","7","4","1") = "6"
    & skf21("2","4","1","4","2","7","5","1") = "6"
    & skf21("2","4","1","4","2","7","6","1") = "6"
    & skf21("2","4","1","4","2","7","7","1") = "6"
    & skf21("2","4","1","4","3","1","1","1") = "3"
    & skf21("2","4","1","4","3","1","2","1") = "3"
    & skf21("2","4","1","4","3","1","3","1") = "3"
    & skf21("2","4","1","4","3","1","4","1") = "3"
    & skf21("2","4","1","4","3","1","5","1") = "4"
    & skf21("2","4","1","4","3","1","6","1") = "5"
    & skf21("2","4","1","4","3","1","7","1") = "6"
    & skf21("2","4","1","4","3","2","1","1") = "3"
    & skf21("2","4","1","4","3","2","2","1") = "3"
    & skf21("2","4","1","4","3","2","3","1") = "3"
    & skf21("2","4","1","4","3","2","4","1") = "3"
    & skf21("2","4","1","4","3","2","5","1") = "4"
    & skf21("2","4","1","4","3","2","6","1") = "5"
    & skf21("2","4","1","4","3","2","7","1") = "6"
    & skf21("2","4","1","4","3","3","1","1") = "3"
    & skf21("2","4","1","4","3","3","2","1") = "3"
    & skf21("2","4","1","4","3","3","3","1") = "3"
    & skf21("2","4","1","4","3","3","4","1") = "3"
    & skf21("2","4","1","4","3","3","5","1") = "4"
    & skf21("2","4","1","4","3","3","6","1") = "5"
    & skf21("2","4","1","4","3","3","7","1") = "6"
    & skf21("2","4","1","4","3","4","1","1") = "3"
    & skf21("2","4","1","4","3","4","2","1") = "3"
    & skf21("2","4","1","4","3","4","3","1") = "3"
    & skf21("2","4","1","4","3","4","4","1") = "3"
    & skf21("2","4","1","4","3","4","5","1") = "4"
    & skf21("2","4","1","4","3","4","6","1") = "5"
    & skf21("2","4","1","4","3","4","7","1") = "6"
    & skf21("2","4","1","4","3","5","1","1") = "4"
    & skf21("2","4","1","4","3","5","2","1") = "4"
    & skf21("2","4","1","4","3","5","3","1") = "4"
    & skf21("2","4","1","4","3","5","4","1") = "4"
    & skf21("2","4","1","4","3","5","5","1") = "4"
    & skf21("2","4","1","4","3","5","6","1") = "5"
    & skf21("2","4","1","4","3","5","7","1") = "6"
    & skf21("2","4","1","4","3","6","1","1") = "5"
    & skf21("2","4","1","4","3","6","2","1") = "5"
    & skf21("2","4","1","4","3","6","3","1") = "5"
    & skf21("2","4","1","4","3","6","4","1") = "5"
    & skf21("2","4","1","4","3","6","5","1") = "5"
    & skf21("2","4","1","4","3","6","6","1") = "5"
    & skf21("2","4","1","4","3","6","7","1") = "6"
    & skf21("2","4","1","4","3","7","1","1") = "6"
    & skf21("2","4","1","4","3","7","2","1") = "6"
    & skf21("2","4","1","4","3","7","3","1") = "6"
    & skf21("2","4","1","4","3","7","4","1") = "6"
    & skf21("2","4","1","4","3","7","5","1") = "6"
    & skf21("2","4","1","4","3","7","6","1") = "6"
    & skf21("2","4","1","4","3","7","7","1") = "6"
    & skf21("2","4","1","4","4","1","1","1") = "3"
    & skf21("2","4","1","4","4","1","2","1") = "3"
    & skf21("2","4","1","4","4","1","3","1") = "3"
    & skf21("2","4","1","4","4","1","4","1") = "3"
    & skf21("2","4","1","4","4","1","5","1") = "4"
    & skf21("2","4","1","4","4","1","6","1") = "5"
    & skf21("2","4","1","4","4","1","7","1") = "6"
    & skf21("2","4","1","4","4","2","1","1") = "3"
    & skf21("2","4","1","4","4","2","2","1") = "3"
    & skf21("2","4","1","4","4","2","3","1") = "3"
    & skf21("2","4","1","4","4","2","4","1") = "3"
    & skf21("2","4","1","4","4","2","5","1") = "4"
    & skf21("2","4","1","4","4","2","6","1") = "5"
    & skf21("2","4","1","4","4","2","7","1") = "6"
    & skf21("2","4","1","4","4","3","1","1") = "3"
    & skf21("2","4","1","4","4","3","2","1") = "3"
    & skf21("2","4","1","4","4","3","3","1") = "3"
    & skf21("2","4","1","4","4","3","4","1") = "3"
    & skf21("2","4","1","4","4","3","5","1") = "4"
    & skf21("2","4","1","4","4","3","6","1") = "5"
    & skf21("2","4","1","4","4","3","7","1") = "6"
    & skf21("2","4","1","4","4","4","1","1") = "3"
    & skf21("2","4","1","4","4","4","2","1") = "3"
    & skf21("2","4","1","4","4","4","3","1") = "3"
    & skf21("2","4","1","4","4","4","4","1") = "3"
    & skf21("2","4","1","4","4","4","5","1") = "4"
    & skf21("2","4","1","4","4","4","6","1") = "5"
    & skf21("2","4","1","4","4","4","7","1") = "6"
    & skf21("2","4","1","4","4","5","1","1") = "4"
    & skf21("2","4","1","4","4","5","2","1") = "4"
    & skf21("2","4","1","4","4","5","3","1") = "4"
    & skf21("2","4","1","4","4","5","4","1") = "4"
    & skf21("2","4","1","4","4","5","5","1") = "4"
    & skf21("2","4","1","4","4","5","6","1") = "5"
    & skf21("2","4","1","4","4","5","7","1") = "6"
    & skf21("2","4","1","4","4","6","1","1") = "5"
    & skf21("2","4","1","4","4","6","2","1") = "5"
    & skf21("2","4","1","4","4","6","3","1") = "5"
    & skf21("2","4","1","4","4","6","4","1") = "5"
    & skf21("2","4","1","4","4","6","5","1") = "5"
    & skf21("2","4","1","4","4","6","6","1") = "5"
    & skf21("2","4","1","4","4","6","7","1") = "6"
    & skf21("2","4","1","4","4","7","1","1") = "6"
    & skf21("2","4","1","4","4","7","2","1") = "6"
    & skf21("2","4","1","4","4","7","3","1") = "6"
    & skf21("2","4","1","4","4","7","4","1") = "6"
    & skf21("2","4","1","4","4","7","5","1") = "6"
    & skf21("2","4","1","4","4","7","6","1") = "6"
    & skf21("2","4","1","4","4","7","7","1") = "6"
    & skf21("2","4","1","4","5","1","1","1") = "4"
    & skf21("2","4","1","4","5","1","2","1") = "4"
    & skf21("2","4","1","4","5","1","3","1") = "4"
    & skf21("2","4","1","4","5","1","4","1") = "4"
    & skf21("2","4","1","4","5","1","5","1") = "4"
    & skf21("2","4","1","4","5","1","6","1") = "5"
    & skf21("2","4","1","4","5","1","7","1") = "6"
    & skf21("2","4","1","4","5","2","1","1") = "4"
    & skf21("2","4","1","4","5","2","2","1") = "4"
    & skf21("2","4","1","4","5","2","3","1") = "4"
    & skf21("2","4","1","4","5","2","4","1") = "4"
    & skf21("2","4","1","4","5","2","5","1") = "4"
    & skf21("2","4","1","4","5","2","6","1") = "5"
    & skf21("2","4","1","4","5","2","7","1") = "6"
    & skf21("2","4","1","4","5","3","1","1") = "4"
    & skf21("2","4","1","4","5","3","2","1") = "4"
    & skf21("2","4","1","4","5","3","3","1") = "4"
    & skf21("2","4","1","4","5","3","4","1") = "4"
    & skf21("2","4","1","4","5","3","5","1") = "4"
    & skf21("2","4","1","4","5","3","6","1") = "5"
    & skf21("2","4","1","4","5","3","7","1") = "6"
    & skf21("2","4","1","4","5","4","1","1") = "4"
    & skf21("2","4","1","4","5","4","2","1") = "4"
    & skf21("2","4","1","4","5","4","3","1") = "4"
    & skf21("2","4","1","4","5","4","4","1") = "4"
    & skf21("2","4","1","4","5","4","5","1") = "4"
    & skf21("2","4","1","4","5","4","6","1") = "5"
    & skf21("2","4","1","4","5","4","7","1") = "6"
    & skf21("2","4","1","4","5","5","1","1") = "4"
    & skf21("2","4","1","4","5","5","2","1") = "4"
    & skf21("2","4","1","4","5","5","3","1") = "4"
    & skf21("2","4","1","4","5","5","4","1") = "4"
    & skf21("2","4","1","4","5","5","5","1") = "4"
    & skf21("2","4","1","4","5","5","6","1") = "5"
    & skf21("2","4","1","4","5","5","7","1") = "6"
    & skf21("2","4","1","4","5","6","1","1") = "5"
    & skf21("2","4","1","4","5","6","2","1") = "5"
    & skf21("2","4","1","4","5","6","3","1") = "5"
    & skf21("2","4","1","4","5","6","4","1") = "5"
    & skf21("2","4","1","4","5","6","5","1") = "5"
    & skf21("2","4","1","4","5","6","6","1") = "5"
    & skf21("2","4","1","4","5","6","7","1") = "6"
    & skf21("2","4","1","4","5","7","1","1") = "6"
    & skf21("2","4","1","4","5","7","2","1") = "6"
    & skf21("2","4","1","4","5","7","3","1") = "6"
    & skf21("2","4","1","4","5","7","4","1") = "6"
    & skf21("2","4","1","4","5","7","5","1") = "6"
    & skf21("2","4","1","4","5","7","6","1") = "6"
    & skf21("2","4","1","4","5","7","7","1") = "6"
    & skf21("2","4","1","4","6","1","1","1") = "5"
    & skf21("2","4","1","4","6","1","2","1") = "5"
    & skf21("2","4","1","4","6","1","3","1") = "5"
    & skf21("2","4","1","4","6","1","4","1") = "5"
    & skf21("2","4","1","4","6","1","5","1") = "5"
    & skf21("2","4","1","4","6","1","6","1") = "5"
    & skf21("2","4","1","4","6","1","7","1") = "6"
    & skf21("2","4","1","4","6","2","1","1") = "5"
    & skf21("2","4","1","4","6","2","2","1") = "5"
    & skf21("2","4","1","4","6","2","3","1") = "5"
    & skf21("2","4","1","4","6","2","4","1") = "5"
    & skf21("2","4","1","4","6","2","5","1") = "5"
    & skf21("2","4","1","4","6","2","6","1") = "5"
    & skf21("2","4","1","4","6","2","7","1") = "6"
    & skf21("2","4","1","4","6","3","1","1") = "5"
    & skf21("2","4","1","4","6","3","2","1") = "5"
    & skf21("2","4","1","4","6","3","3","1") = "5"
    & skf21("2","4","1","4","6","3","4","1") = "5"
    & skf21("2","4","1","4","6","3","5","1") = "5"
    & skf21("2","4","1","4","6","3","6","1") = "5"
    & skf21("2","4","1","4","6","3","7","1") = "6"
    & skf21("2","4","1","4","6","4","1","1") = "5"
    & skf21("2","4","1","4","6","4","2","1") = "5"
    & skf21("2","4","1","4","6","4","3","1") = "5"
    & skf21("2","4","1","4","6","4","4","1") = "5"
    & skf21("2","4","1","4","6","4","5","1") = "5"
    & skf21("2","4","1","4","6","4","6","1") = "5"
    & skf21("2","4","1","4","6","4","7","1") = "6"
    & skf21("2","4","1","4","6","5","1","1") = "5"
    & skf21("2","4","1","4","6","5","2","1") = "5"
    & skf21("2","4","1","4","6","5","3","1") = "5"
    & skf21("2","4","1","4","6","5","4","1") = "5"
    & skf21("2","4","1","4","6","5","5","1") = "5"
    & skf21("2","4","1","4","6","5","6","1") = "5"
    & skf21("2","4","1","4","6","5","7","1") = "6"
    & skf21("2","4","1","4","6","6","1","1") = "5"
    & skf21("2","4","1","4","6","6","2","1") = "5"
    & skf21("2","4","1","4","6","6","3","1") = "5"
    & skf21("2","4","1","4","6","6","4","1") = "5"
    & skf21("2","4","1","4","6","6","5","1") = "5"
    & skf21("2","4","1","4","6","6","6","1") = "5"
    & skf21("2","4","1","4","6","6","7","1") = "6"
    & skf21("2","4","1","4","6","7","1","1") = "6"
    & skf21("2","4","1","4","6","7","2","1") = "6"
    & skf21("2","4","1","4","6","7","3","1") = "6"
    & skf21("2","4","1","4","6","7","4","1") = "6"
    & skf21("2","4","1","4","6","7","5","1") = "6"
    & skf21("2","4","1","4","6","7","6","1") = "6"
    & skf21("2","4","1","4","6","7","7","1") = "6"
    & skf21("2","4","1","4","7","1","1","1") = "6"
    & skf21("2","4","1","4","7","1","2","1") = "6"
    & skf21("2","4","1","4","7","1","3","1") = "6"
    & skf21("2","4","1","4","7","1","4","1") = "6"
    & skf21("2","4","1","4","7","1","5","1") = "6"
    & skf21("2","4","1","4","7","1","6","1") = "6"
    & skf21("2","4","1","4","7","1","7","1") = "6"
    & skf21("2","4","1","4","7","2","1","1") = "6"
    & skf21("2","4","1","4","7","2","2","1") = "6"
    & skf21("2","4","1","4","7","2","3","1") = "6"
    & skf21("2","4","1","4","7","2","4","1") = "6"
    & skf21("2","4","1","4","7","2","5","1") = "6"
    & skf21("2","4","1","4","7","2","6","1") = "6"
    & skf21("2","4","1","4","7","2","7","1") = "6"
    & skf21("2","4","1","4","7","3","1","1") = "6"
    & skf21("2","4","1","4","7","3","2","1") = "6"
    & skf21("2","4","1","4","7","3","3","1") = "6"
    & skf21("2","4","1","4","7","3","4","1") = "6"
    & skf21("2","4","1","4","7","3","5","1") = "6"
    & skf21("2","4","1","4","7","3","6","1") = "6"
    & skf21("2","4","1","4","7","3","7","1") = "6"
    & skf21("2","4","1","4","7","4","1","1") = "6"
    & skf21("2","4","1","4","7","4","2","1") = "6"
    & skf21("2","4","1","4","7","4","3","1") = "6"
    & skf21("2","4","1","4","7","4","4","1") = "6"
    & skf21("2","4","1","4","7","4","5","1") = "6"
    & skf21("2","4","1","4","7","4","6","1") = "6"
    & skf21("2","4","1","4","7","4","7","1") = "6"
    & skf21("2","4","1","4","7","5","1","1") = "6"
    & skf21("2","4","1","4","7","5","2","1") = "6"
    & skf21("2","4","1","4","7","5","3","1") = "6"
    & skf21("2","4","1","4","7","5","4","1") = "6"
    & skf21("2","4","1","4","7","5","5","1") = "6"
    & skf21("2","4","1","4","7","5","6","1") = "6"
    & skf21("2","4","1","4","7","5","7","1") = "6"
    & skf21("2","4","1","4","7","6","1","1") = "6"
    & skf21("2","4","1","4","7","6","2","1") = "6"
    & skf21("2","4","1","4","7","6","3","1") = "6"
    & skf21("2","4","1","4","7","6","4","1") = "6"
    & skf21("2","4","1","4","7","6","5","1") = "6"
    & skf21("2","4","1","4","7","6","6","1") = "6"
    & skf21("2","4","1","4","7","6","7","1") = "6"
    & skf21("2","4","1","4","7","7","1","1") = "6"
    & skf21("2","4","1","4","7","7","2","1") = "6"
    & skf21("2","4","1","4","7","7","3","1") = "6"
    & skf21("2","4","1","4","7","7","4","1") = "6"
    & skf21("2","4","1","4","7","7","5","1") = "6"
    & skf21("2","4","1","4","7","7","6","1") = "6"
    & skf21("2","4","1","4","7","7","7","1") = "6"
    & skf21("2","4","1","5","1","1","1","1") = "4"
    & skf21("2","4","1","5","1","1","2","1") = "4"
    & skf21("2","4","1","5","1","1","3","1") = "4"
    & skf21("2","4","1","5","1","1","4","1") = "4"
    & skf21("2","4","1","5","1","1","5","1") = "4"
    & skf21("2","4","1","5","1","1","6","1") = "5"
    & skf21("2","4","1","5","1","1","7","1") = "6"
    & skf21("2","4","1","5","1","2","1","1") = "4"
    & skf21("2","4","1","5","1","2","2","1") = "4"
    & skf21("2","4","1","5","1","2","3","1") = "4"
    & skf21("2","4","1","5","1","2","4","1") = "4"
    & skf21("2","4","1","5","1","2","5","1") = "4"
    & skf21("2","4","1","5","1","2","6","1") = "5"
    & skf21("2","4","1","5","1","2","7","1") = "6"
    & skf21("2","4","1","5","1","3","1","1") = "4"
    & skf21("2","4","1","5","1","3","2","1") = "4"
    & skf21("2","4","1","5","1","3","3","1") = "4"
    & skf21("2","4","1","5","1","3","4","1") = "4"
    & skf21("2","4","1","5","1","3","5","1") = "4"
    & skf21("2","4","1","5","1","3","6","1") = "5"
    & skf21("2","4","1","5","1","3","7","1") = "6"
    & skf21("2","4","1","5","1","4","1","1") = "4"
    & skf21("2","4","1","5","1","4","2","1") = "4"
    & skf21("2","4","1","5","1","4","3","1") = "4"
    & skf21("2","4","1","5","1","4","4","1") = "4"
    & skf21("2","4","1","5","1","4","5","1") = "4"
    & skf21("2","4","1","5","1","4","6","1") = "5"
    & skf21("2","4","1","5","1","4","7","1") = "6"
    & skf21("2","4","1","5","1","5","1","1") = "4"
    & skf21("2","4","1","5","1","5","2","1") = "4"
    & skf21("2","4","1","5","1","5","3","1") = "4"
    & skf21("2","4","1","5","1","5","4","1") = "4"
    & skf21("2","4","1","5","1","5","5","1") = "4"
    & skf21("2","4","1","5","1","5","6","1") = "5"
    & skf21("2","4","1","5","1","5","7","1") = "6"
    & skf21("2","4","1","5","1","6","1","1") = "5"
    & skf21("2","4","1","5","1","6","2","1") = "5"
    & skf21("2","4","1","5","1","6","3","1") = "5"
    & skf21("2","4","1","5","1","6","4","1") = "5"
    & skf21("2","4","1","5","1","6","5","1") = "5"
    & skf21("2","4","1","5","1","6","6","1") = "5"
    & skf21("2","4","1","5","1","6","7","1") = "6"
    & skf21("2","4","1","5","1","7","1","1") = "6"
    & skf21("2","4","1","5","1","7","2","1") = "6"
    & skf21("2","4","1","5","1","7","3","1") = "6"
    & skf21("2","4","1","5","1","7","4","1") = "6"
    & skf21("2","4","1","5","1","7","5","1") = "6"
    & skf21("2","4","1","5","1","7","6","1") = "6"
    & skf21("2","4","1","5","1","7","7","1") = "6"
    & skf21("2","4","1","5","2","1","1","1") = "4"
    & skf21("2","4","1","5","2","1","2","1") = "4"
    & skf21("2","4","1","5","2","1","3","1") = "4"
    & skf21("2","4","1","5","2","1","4","1") = "4"
    & skf21("2","4","1","5","2","1","5","1") = "4"
    & skf21("2","4","1","5","2","1","6","1") = "5"
    & skf21("2","4","1","5","2","1","7","1") = "6"
    & skf21("2","4","1","5","2","2","1","1") = "4"
    & skf21("2","4","1","5","2","2","2","1") = "4"
    & skf21("2","4","1","5","2","2","3","1") = "4"
    & skf21("2","4","1","5","2","2","4","1") = "4"
    & skf21("2","4","1","5","2","2","5","1") = "4"
    & skf21("2","4","1","5","2","2","6","1") = "5"
    & skf21("2","4","1","5","2","2","7","1") = "6"
    & skf21("2","4","1","5","2","3","1","1") = "4"
    & skf21("2","4","1","5","2","3","2","1") = "4"
    & skf21("2","4","1","5","2","3","3","1") = "4"
    & skf21("2","4","1","5","2","3","4","1") = "4"
    & skf21("2","4","1","5","2","3","5","1") = "4"
    & skf21("2","4","1","5","2","3","6","1") = "5"
    & skf21("2","4","1","5","2","3","7","1") = "6"
    & skf21("2","4","1","5","2","4","1","1") = "4"
    & skf21("2","4","1","5","2","4","2","1") = "4"
    & skf21("2","4","1","5","2","4","3","1") = "4"
    & skf21("2","4","1","5","2","4","4","1") = "4"
    & skf21("2","4","1","5","2","4","5","1") = "4"
    & skf21("2","4","1","5","2","4","6","1") = "5"
    & skf21("2","4","1","5","2","4","7","1") = "6"
    & skf21("2","4","1","5","2","5","1","1") = "4"
    & skf21("2","4","1","5","2","5","2","1") = "4"
    & skf21("2","4","1","5","2","5","3","1") = "4"
    & skf21("2","4","1","5","2","5","4","1") = "4"
    & skf21("2","4","1","5","2","5","5","1") = "4"
    & skf21("2","4","1","5","2","5","6","1") = "5"
    & skf21("2","4","1","5","2","5","7","1") = "6"
    & skf21("2","4","1","5","2","6","1","1") = "5"
    & skf21("2","4","1","5","2","6","2","1") = "5"
    & skf21("2","4","1","5","2","6","3","1") = "5"
    & skf21("2","4","1","5","2","6","4","1") = "5"
    & skf21("2","4","1","5","2","6","5","1") = "5"
    & skf21("2","4","1","5","2","6","6","1") = "5"
    & skf21("2","4","1","5","2","6","7","1") = "6"
    & skf21("2","4","1","5","2","7","1","1") = "6"
    & skf21("2","4","1","5","2","7","2","1") = "6"
    & skf21("2","4","1","5","2","7","3","1") = "6"
    & skf21("2","4","1","5","2","7","4","1") = "6"
    & skf21("2","4","1","5","2","7","5","1") = "6"
    & skf21("2","4","1","5","2","7","6","1") = "6"
    & skf21("2","4","1","5","2","7","7","1") = "6"
    & skf21("2","4","1","5","3","1","1","1") = "4"
    & skf21("2","4","1","5","3","1","2","1") = "4"
    & skf21("2","4","1","5","3","1","3","1") = "4"
    & skf21("2","4","1","5","3","1","4","1") = "4"
    & skf21("2","4","1","5","3","1","5","1") = "4"
    & skf21("2","4","1","5","3","1","6","1") = "5"
    & skf21("2","4","1","5","3","1","7","1") = "6"
    & skf21("2","4","1","5","3","2","1","1") = "4"
    & skf21("2","4","1","5","3","2","2","1") = "4"
    & skf21("2","4","1","5","3","2","3","1") = "4"
    & skf21("2","4","1","5","3","2","4","1") = "4"
    & skf21("2","4","1","5","3","2","5","1") = "4"
    & skf21("2","4","1","5","3","2","6","1") = "5"
    & skf21("2","4","1","5","3","2","7","1") = "6"
    & skf21("2","4","1","5","3","3","1","1") = "4"
    & skf21("2","4","1","5","3","3","2","1") = "4"
    & skf21("2","4","1","5","3","3","3","1") = "4"
    & skf21("2","4","1","5","3","3","4","1") = "4"
    & skf21("2","4","1","5","3","3","5","1") = "4"
    & skf21("2","4","1","5","3","3","6","1") = "5"
    & skf21("2","4","1","5","3","3","7","1") = "6"
    & skf21("2","4","1","5","3","4","1","1") = "4"
    & skf21("2","4","1","5","3","4","2","1") = "4"
    & skf21("2","4","1","5","3","4","3","1") = "4"
    & skf21("2","4","1","5","3","4","4","1") = "4"
    & skf21("2","4","1","5","3","4","5","1") = "4"
    & skf21("2","4","1","5","3","4","6","1") = "5"
    & skf21("2","4","1","5","3","4","7","1") = "6"
    & skf21("2","4","1","5","3","5","1","1") = "4"
    & skf21("2","4","1","5","3","5","2","1") = "4"
    & skf21("2","4","1","5","3","5","3","1") = "4"
    & skf21("2","4","1","5","3","5","4","1") = "4"
    & skf21("2","4","1","5","3","5","5","1") = "4"
    & skf21("2","4","1","5","3","5","6","1") = "5"
    & skf21("2","4","1","5","3","5","7","1") = "6"
    & skf21("2","4","1","5","3","6","1","1") = "5"
    & skf21("2","4","1","5","3","6","2","1") = "5"
    & skf21("2","4","1","5","3","6","3","1") = "5"
    & skf21("2","4","1","5","3","6","4","1") = "5"
    & skf21("2","4","1","5","3","6","5","1") = "5"
    & skf21("2","4","1","5","3","6","6","1") = "5"
    & skf21("2","4","1","5","3","6","7","1") = "6"
    & skf21("2","4","1","5","3","7","1","1") = "6"
    & skf21("2","4","1","5","3","7","2","1") = "6"
    & skf21("2","4","1","5","3","7","3","1") = "6"
    & skf21("2","4","1","5","3","7","4","1") = "6"
    & skf21("2","4","1","5","3","7","5","1") = "6"
    & skf21("2","4","1","5","3","7","6","1") = "6"
    & skf21("2","4","1","5","3","7","7","1") = "6"
    & skf21("2","4","1","5","4","1","1","1") = "4"
    & skf21("2","4","1","5","4","1","2","1") = "4"
    & skf21("2","4","1","5","4","1","3","1") = "4"
    & skf21("2","4","1","5","4","1","4","1") = "4"
    & skf21("2","4","1","5","4","1","5","1") = "4"
    & skf21("2","4","1","5","4","1","6","1") = "5"
    & skf21("2","4","1","5","4","1","7","1") = "6"
    & skf21("2","4","1","5","4","2","1","1") = "4"
    & skf21("2","4","1","5","4","2","2","1") = "4"
    & skf21("2","4","1","5","4","2","3","1") = "4"
    & skf21("2","4","1","5","4","2","4","1") = "4"
    & skf21("2","4","1","5","4","2","5","1") = "4"
    & skf21("2","4","1","5","4","2","6","1") = "5"
    & skf21("2","4","1","5","4","2","7","1") = "6"
    & skf21("2","4","1","5","4","3","1","1") = "4"
    & skf21("2","4","1","5","4","3","2","1") = "4"
    & skf21("2","4","1","5","4","3","3","1") = "4"
    & skf21("2","4","1","5","4","3","4","1") = "4"
    & skf21("2","4","1","5","4","3","5","1") = "4"
    & skf21("2","4","1","5","4","3","6","1") = "5"
    & skf21("2","4","1","5","4","3","7","1") = "6"
    & skf21("2","4","1","5","4","4","1","1") = "4"
    & skf21("2","4","1","5","4","4","2","1") = "4"
    & skf21("2","4","1","5","4","4","3","1") = "4"
    & skf21("2","4","1","5","4","4","4","1") = "4"
    & skf21("2","4","1","5","4","4","5","1") = "4"
    & skf21("2","4","1","5","4","4","6","1") = "5"
    & skf21("2","4","1","5","4","4","7","1") = "6"
    & skf21("2","4","1","5","4","5","1","1") = "4"
    & skf21("2","4","1","5","4","5","2","1") = "4"
    & skf21("2","4","1","5","4","5","3","1") = "4"
    & skf21("2","4","1","5","4","5","4","1") = "4"
    & skf21("2","4","1","5","4","5","5","1") = "4"
    & skf21("2","4","1","5","4","5","6","1") = "5"
    & skf21("2","4","1","5","4","5","7","1") = "6"
    & skf21("2","4","1","5","4","6","1","1") = "5"
    & skf21("2","4","1","5","4","6","2","1") = "5"
    & skf21("2","4","1","5","4","6","3","1") = "5"
    & skf21("2","4","1","5","4","6","4","1") = "5"
    & skf21("2","4","1","5","4","6","5","1") = "5"
    & skf21("2","4","1","5","4","6","6","1") = "5"
    & skf21("2","4","1","5","4","6","7","1") = "6"
    & skf21("2","4","1","5","4","7","1","1") = "6"
    & skf21("2","4","1","5","4","7","2","1") = "6"
    & skf21("2","4","1","5","4","7","3","1") = "6"
    & skf21("2","4","1","5","4","7","4","1") = "6"
    & skf21("2","4","1","5","4","7","5","1") = "6"
    & skf21("2","4","1","5","4","7","6","1") = "6"
    & skf21("2","4","1","5","4","7","7","1") = "6"
    & skf21("2","4","1","5","5","1","1","1") = "4"
    & skf21("2","4","1","5","5","1","2","1") = "4"
    & skf21("2","4","1","5","5","1","3","1") = "4"
    & skf21("2","4","1","5","5","1","4","1") = "4"
    & skf21("2","4","1","5","5","1","5","1") = "4"
    & skf21("2","4","1","5","5","1","6","1") = "5"
    & skf21("2","4","1","5","5","1","7","1") = "6"
    & skf21("2","4","1","5","5","2","1","1") = "4"
    & skf21("2","4","1","5","5","2","2","1") = "4"
    & skf21("2","4","1","5","5","2","3","1") = "4"
    & skf21("2","4","1","5","5","2","4","1") = "4"
    & skf21("2","4","1","5","5","2","5","1") = "4"
    & skf21("2","4","1","5","5","2","6","1") = "5"
    & skf21("2","4","1","5","5","2","7","1") = "6"
    & skf21("2","4","1","5","5","3","1","1") = "4"
    & skf21("2","4","1","5","5","3","2","1") = "4"
    & skf21("2","4","1","5","5","3","3","1") = "4"
    & skf21("2","4","1","5","5","3","4","1") = "4"
    & skf21("2","4","1","5","5","3","5","1") = "4"
    & skf21("2","4","1","5","5","3","6","1") = "5"
    & skf21("2","4","1","5","5","3","7","1") = "6"
    & skf21("2","4","1","5","5","4","1","1") = "4"
    & skf21("2","4","1","5","5","4","2","1") = "4"
    & skf21("2","4","1","5","5","4","3","1") = "4"
    & skf21("2","4","1","5","5","4","4","1") = "4"
    & skf21("2","4","1","5","5","4","5","1") = "4"
    & skf21("2","4","1","5","5","4","6","1") = "5"
    & skf21("2","4","1","5","5","4","7","1") = "6"
    & skf21("2","4","1","5","5","5","1","1") = "4"
    & skf21("2","4","1","5","5","5","2","1") = "4"
    & skf21("2","4","1","5","5","5","3","1") = "4"
    & skf21("2","4","1","5","5","5","4","1") = "4"
    & skf21("2","4","1","5","5","5","5","1") = "4"
    & skf21("2","4","1","5","5","5","6","1") = "5"
    & skf21("2","4","1","5","5","5","7","1") = "6"
    & skf21("2","4","1","5","5","6","1","1") = "5"
    & skf21("2","4","1","5","5","6","2","1") = "5"
    & skf21("2","4","1","5","5","6","3","1") = "5"
    & skf21("2","4","1","5","5","6","4","1") = "5"
    & skf21("2","4","1","5","5","6","5","1") = "5"
    & skf21("2","4","1","5","5","6","6","1") = "5"
    & skf21("2","4","1","5","5","6","7","1") = "6"
    & skf21("2","4","1","5","5","7","1","1") = "6"
    & skf21("2","4","1","5","5","7","2","1") = "6"
    & skf21("2","4","1","5","5","7","3","1") = "6"
    & skf21("2","4","1","5","5","7","4","1") = "6"
    & skf21("2","4","1","5","5","7","5","1") = "6"
    & skf21("2","4","1","5","5","7","6","1") = "6"
    & skf21("2","4","1","5","5","7","7","1") = "6"
    & skf21("2","4","1","5","6","1","1","1") = "5"
    & skf21("2","4","1","5","6","1","2","1") = "5"
    & skf21("2","4","1","5","6","1","3","1") = "5"
    & skf21("2","4","1","5","6","1","4","1") = "5"
    & skf21("2","4","1","5","6","1","5","1") = "5"
    & skf21("2","4","1","5","6","1","6","1") = "5"
    & skf21("2","4","1","5","6","1","7","1") = "6"
    & skf21("2","4","1","5","6","2","1","1") = "5"
    & skf21("2","4","1","5","6","2","2","1") = "5"
    & skf21("2","4","1","5","6","2","3","1") = "5"
    & skf21("2","4","1","5","6","2","4","1") = "5"
    & skf21("2","4","1","5","6","2","5","1") = "5"
    & skf21("2","4","1","5","6","2","6","1") = "5"
    & skf21("2","4","1","5","6","2","7","1") = "6"
    & skf21("2","4","1","5","6","3","1","1") = "5"
    & skf21("2","4","1","5","6","3","2","1") = "5"
    & skf21("2","4","1","5","6","3","3","1") = "5"
    & skf21("2","4","1","5","6","3","4","1") = "5"
    & skf21("2","4","1","5","6","3","5","1") = "5"
    & skf21("2","4","1","5","6","3","6","1") = "5"
    & skf21("2","4","1","5","6","3","7","1") = "6"
    & skf21("2","4","1","5","6","4","1","1") = "5"
    & skf21("2","4","1","5","6","4","2","1") = "5"
    & skf21("2","4","1","5","6","4","3","1") = "5"
    & skf21("2","4","1","5","6","4","4","1") = "5"
    & skf21("2","4","1","5","6","4","5","1") = "5"
    & skf21("2","4","1","5","6","4","6","1") = "5"
    & skf21("2","4","1","5","6","4","7","1") = "6"
    & skf21("2","4","1","5","6","5","1","1") = "5"
    & skf21("2","4","1","5","6","5","2","1") = "5"
    & skf21("2","4","1","5","6","5","3","1") = "5"
    & skf21("2","4","1","5","6","5","4","1") = "5"
    & skf21("2","4","1","5","6","5","5","1") = "5"
    & skf21("2","4","1","5","6","5","6","1") = "5"
    & skf21("2","4","1","5","6","5","7","1") = "6"
    & skf21("2","4","1","5","6","6","1","1") = "5"
    & skf21("2","4","1","5","6","6","2","1") = "5"
    & skf21("2","4","1","5","6","6","3","1") = "5"
    & skf21("2","4","1","5","6","6","4","1") = "5"
    & skf21("2","4","1","5","6","6","5","1") = "5"
    & skf21("2","4","1","5","6","6","6","1") = "5"
    & skf21("2","4","1","5","6","6","7","1") = "6"
    & skf21("2","4","1","5","6","7","1","1") = "6"
    & skf21("2","4","1","5","6","7","2","1") = "6"
    & skf21("2","4","1","5","6","7","3","1") = "6"
    & skf21("2","4","1","5","6","7","4","1") = "6"
    & skf21("2","4","1","5","6","7","5","1") = "6"
    & skf21("2","4","1","5","6","7","6","1") = "6"
    & skf21("2","4","1","5","6","7","7","1") = "6"
    & skf21("2","4","1","5","7","1","1","1") = "6"
    & skf21("2","4","1","5","7","1","2","1") = "6"
    & skf21("2","4","1","5","7","1","3","1") = "6"
    & skf21("2","4","1","5","7","1","4","1") = "6"
    & skf21("2","4","1","5","7","1","5","1") = "6"
    & skf21("2","4","1","5","7","1","6","1") = "6"
    & skf21("2","4","1","5","7","1","7","1") = "6"
    & skf21("2","4","1","5","7","2","1","1") = "6"
    & skf21("2","4","1","5","7","2","2","1") = "6"
    & skf21("2","4","1","5","7","2","3","1") = "6"
    & skf21("2","4","1","5","7","2","4","1") = "6"
    & skf21("2","4","1","5","7","2","5","1") = "6"
    & skf21("2","4","1","5","7","2","6","1") = "6"
    & skf21("2","4","1","5","7","2","7","1") = "6"
    & skf21("2","4","1","5","7","3","1","1") = "6"
    & skf21("2","4","1","5","7","3","2","1") = "6"
    & skf21("2","4","1","5","7","3","3","1") = "6"
    & skf21("2","4","1","5","7","3","4","1") = "6"
    & skf21("2","4","1","5","7","3","5","1") = "6"
    & skf21("2","4","1","5","7","3","6","1") = "6"
    & skf21("2","4","1","5","7","3","7","1") = "6"
    & skf21("2","4","1","5","7","4","1","1") = "6"
    & skf21("2","4","1","5","7","4","2","1") = "6"
    & skf21("2","4","1","5","7","4","3","1") = "6"
    & skf21("2","4","1","5","7","4","4","1") = "6"
    & skf21("2","4","1","5","7","4","5","1") = "6"
    & skf21("2","4","1","5","7","4","6","1") = "6"
    & skf21("2","4","1","5","7","4","7","1") = "6"
    & skf21("2","4","1","5","7","5","1","1") = "6"
    & skf21("2","4","1","5","7","5","2","1") = "6"
    & skf21("2","4","1","5","7","5","3","1") = "6"
    & skf21("2","4","1","5","7","5","4","1") = "6"
    & skf21("2","4","1","5","7","5","5","1") = "6"
    & skf21("2","4","1","5","7","5","6","1") = "6"
    & skf21("2","4","1","5","7","5","7","1") = "6"
    & skf21("2","4","1","5","7","6","1","1") = "6"
    & skf21("2","4","1","5","7","6","2","1") = "6"
    & skf21("2","4","1","5","7","6","3","1") = "6"
    & skf21("2","4","1","5","7","6","4","1") = "6"
    & skf21("2","4","1","5","7","6","5","1") = "6"
    & skf21("2","4","1","5","7","6","6","1") = "6"
    & skf21("2","4","1","5","7","6","7","1") = "6"
    & skf21("2","4","1","5","7","7","1","1") = "6"
    & skf21("2","4","1","5","7","7","2","1") = "6"
    & skf21("2","4","1","5","7","7","3","1") = "6"
    & skf21("2","4","1","5","7","7","4","1") = "6"
    & skf21("2","4","1","5","7","7","5","1") = "6"
    & skf21("2","4","1","5","7","7","6","1") = "6"
    & skf21("2","4","1","5","7","7","7","1") = "6"
    & skf21("2","4","1","6","1","1","1","1") = "5"
    & skf21("2","4","1","6","1","1","2","1") = "5"
    & skf21("2","4","1","6","1","1","3","1") = "5"
    & skf21("2","4","1","6","1","1","4","1") = "5"
    & skf21("2","4","1","6","1","1","5","1") = "5"
    & skf21("2","4","1","6","1","1","6","1") = "5"
    & skf21("2","4","1","6","1","1","7","1") = "6"
    & skf21("2","4","1","6","1","2","1","1") = "5"
    & skf21("2","4","1","6","1","2","2","1") = "5"
    & skf21("2","4","1","6","1","2","3","1") = "5"
    & skf21("2","4","1","6","1","2","4","1") = "5"
    & skf21("2","4","1","6","1","2","5","1") = "5"
    & skf21("2","4","1","6","1","2","6","1") = "5"
    & skf21("2","4","1","6","1","2","7","1") = "6"
    & skf21("2","4","1","6","1","3","1","1") = "5"
    & skf21("2","4","1","6","1","3","2","1") = "5"
    & skf21("2","4","1","6","1","3","3","1") = "5"
    & skf21("2","4","1","6","1","3","4","1") = "5"
    & skf21("2","4","1","6","1","3","5","1") = "5"
    & skf21("2","4","1","6","1","3","6","1") = "5"
    & skf21("2","4","1","6","1","3","7","1") = "6"
    & skf21("2","4","1","6","1","4","1","1") = "5"
    & skf21("2","4","1","6","1","4","2","1") = "5"
    & skf21("2","4","1","6","1","4","3","1") = "5"
    & skf21("2","4","1","6","1","4","4","1") = "5"
    & skf21("2","4","1","6","1","4","5","1") = "5"
    & skf21("2","4","1","6","1","4","6","1") = "5"
    & skf21("2","4","1","6","1","4","7","1") = "6"
    & skf21("2","4","1","6","1","5","1","1") = "5"
    & skf21("2","4","1","6","1","5","2","1") = "5"
    & skf21("2","4","1","6","1","5","3","1") = "5"
    & skf21("2","4","1","6","1","5","4","1") = "5"
    & skf21("2","4","1","6","1","5","5","1") = "5"
    & skf21("2","4","1","6","1","5","6","1") = "5"
    & skf21("2","4","1","6","1","5","7","1") = "6"
    & skf21("2","4","1","6","1","6","1","1") = "5"
    & skf21("2","4","1","6","1","6","2","1") = "5"
    & skf21("2","4","1","6","1","6","3","1") = "5"
    & skf21("2","4","1","6","1","6","4","1") = "5"
    & skf21("2","4","1","6","1","6","5","1") = "5"
    & skf21("2","4","1","6","1","6","6","1") = "5"
    & skf21("2","4","1","6","1","6","7","1") = "6"
    & skf21("2","4","1","6","1","7","1","1") = "6"
    & skf21("2","4","1","6","1","7","2","1") = "6"
    & skf21("2","4","1","6","1","7","3","1") = "6"
    & skf21("2","4","1","6","1","7","4","1") = "6"
    & skf21("2","4","1","6","1","7","5","1") = "6"
    & skf21("2","4","1","6","1","7","6","1") = "6"
    & skf21("2","4","1","6","1","7","7","1") = "6"
    & skf21("2","4","1","6","2","1","1","1") = "5"
    & skf21("2","4","1","6","2","1","2","1") = "5"
    & skf21("2","4","1","6","2","1","3","1") = "5"
    & skf21("2","4","1","6","2","1","4","1") = "5"
    & skf21("2","4","1","6","2","1","5","1") = "5"
    & skf21("2","4","1","6","2","1","6","1") = "5"
    & skf21("2","4","1","6","2","1","7","1") = "6"
    & skf21("2","4","1","6","2","2","1","1") = "5"
    & skf21("2","4","1","6","2","2","2","1") = "5"
    & skf21("2","4","1","6","2","2","3","1") = "5"
    & skf21("2","4","1","6","2","2","4","1") = "5"
    & skf21("2","4","1","6","2","2","5","1") = "5"
    & skf21("2","4","1","6","2","2","6","1") = "5"
    & skf21("2","4","1","6","2","2","7","1") = "6"
    & skf21("2","4","1","6","2","3","1","1") = "5"
    & skf21("2","4","1","6","2","3","2","1") = "5"
    & skf21("2","4","1","6","2","3","3","1") = "5"
    & skf21("2","4","1","6","2","3","4","1") = "5"
    & skf21("2","4","1","6","2","3","5","1") = "5"
    & skf21("2","4","1","6","2","3","6","1") = "5"
    & skf21("2","4","1","6","2","3","7","1") = "6"
    & skf21("2","4","1","6","2","4","1","1") = "5"
    & skf21("2","4","1","6","2","4","2","1") = "5"
    & skf21("2","4","1","6","2","4","3","1") = "5"
    & skf21("2","4","1","6","2","4","4","1") = "5"
    & skf21("2","4","1","6","2","4","5","1") = "5"
    & skf21("2","4","1","6","2","4","6","1") = "5"
    & skf21("2","4","1","6","2","4","7","1") = "6"
    & skf21("2","4","1","6","2","5","1","1") = "5"
    & skf21("2","4","1","6","2","5","2","1") = "5"
    & skf21("2","4","1","6","2","5","3","1") = "5"
    & skf21("2","4","1","6","2","5","4","1") = "5"
    & skf21("2","4","1","6","2","5","5","1") = "5"
    & skf21("2","4","1","6","2","5","6","1") = "5"
    & skf21("2","4","1","6","2","5","7","1") = "6"
    & skf21("2","4","1","6","2","6","1","1") = "5"
    & skf21("2","4","1","6","2","6","2","1") = "5"
    & skf21("2","4","1","6","2","6","3","1") = "5"
    & skf21("2","4","1","6","2","6","4","1") = "5"
    & skf21("2","4","1","6","2","6","5","1") = "5"
    & skf21("2","4","1","6","2","6","6","1") = "5"
    & skf21("2","4","1","6","2","6","7","1") = "6"
    & skf21("2","4","1","6","2","7","1","1") = "6"
    & skf21("2","4","1","6","2","7","2","1") = "6"
    & skf21("2","4","1","6","2","7","3","1") = "6"
    & skf21("2","4","1","6","2","7","4","1") = "6"
    & skf21("2","4","1","6","2","7","5","1") = "6"
    & skf21("2","4","1","6","2","7","6","1") = "6"
    & skf21("2","4","1","6","2","7","7","1") = "6"
    & skf21("2","4","1","6","3","1","1","1") = "5"
    & skf21("2","4","1","6","3","1","2","1") = "5"
    & skf21("2","4","1","6","3","1","3","1") = "5"
    & skf21("2","4","1","6","3","1","4","1") = "5"
    & skf21("2","4","1","6","3","1","5","1") = "5"
    & skf21("2","4","1","6","3","1","6","1") = "5"
    & skf21("2","4","1","6","3","1","7","1") = "6"
    & skf21("2","4","1","6","3","2","1","1") = "5"
    & skf21("2","4","1","6","3","2","2","1") = "5"
    & skf21("2","4","1","6","3","2","3","1") = "5"
    & skf21("2","4","1","6","3","2","4","1") = "5"
    & skf21("2","4","1","6","3","2","5","1") = "5"
    & skf21("2","4","1","6","3","2","6","1") = "5"
    & skf21("2","4","1","6","3","2","7","1") = "6"
    & skf21("2","4","1","6","3","3","1","1") = "5"
    & skf21("2","4","1","6","3","3","2","1") = "5"
    & skf21("2","4","1","6","3","3","3","1") = "5"
    & skf21("2","4","1","6","3","3","4","1") = "5"
    & skf21("2","4","1","6","3","3","5","1") = "5"
    & skf21("2","4","1","6","3","3","6","1") = "5"
    & skf21("2","4","1","6","3","3","7","1") = "6"
    & skf21("2","4","1","6","3","4","1","1") = "5"
    & skf21("2","4","1","6","3","4","2","1") = "5"
    & skf21("2","4","1","6","3","4","3","1") = "5"
    & skf21("2","4","1","6","3","4","4","1") = "5"
    & skf21("2","4","1","6","3","4","5","1") = "5"
    & skf21("2","4","1","6","3","4","6","1") = "5"
    & skf21("2","4","1","6","3","4","7","1") = "6"
    & skf21("2","4","1","6","3","5","1","1") = "5"
    & skf21("2","4","1","6","3","5","2","1") = "5"
    & skf21("2","4","1","6","3","5","3","1") = "5"
    & skf21("2","4","1","6","3","5","4","1") = "5"
    & skf21("2","4","1","6","3","5","5","1") = "5"
    & skf21("2","4","1","6","3","5","6","1") = "5"
    & skf21("2","4","1","6","3","5","7","1") = "6"
    & skf21("2","4","1","6","3","6","1","1") = "5"
    & skf21("2","4","1","6","3","6","2","1") = "5"
    & skf21("2","4","1","6","3","6","3","1") = "5"
    & skf21("2","4","1","6","3","6","4","1") = "5"
    & skf21("2","4","1","6","3","6","5","1") = "5"
    & skf21("2","4","1","6","3","6","6","1") = "5"
    & skf21("2","4","1","6","3","6","7","1") = "6"
    & skf21("2","4","1","6","3","7","1","1") = "6"
    & skf21("2","4","1","6","3","7","2","1") = "6"
    & skf21("2","4","1","6","3","7","3","1") = "6"
    & skf21("2","4","1","6","3","7","4","1") = "6"
    & skf21("2","4","1","6","3","7","5","1") = "6"
    & skf21("2","4","1","6","3","7","6","1") = "6"
    & skf21("2","4","1","6","3","7","7","1") = "6"
    & skf21("2","4","1","6","4","1","1","1") = "5"
    & skf21("2","4","1","6","4","1","2","1") = "5"
    & skf21("2","4","1","6","4","1","3","1") = "5"
    & skf21("2","4","1","6","4","1","4","1") = "5"
    & skf21("2","4","1","6","4","1","5","1") = "5"
    & skf21("2","4","1","6","4","1","6","1") = "5"
    & skf21("2","4","1","6","4","1","7","1") = "6"
    & skf21("2","4","1","6","4","2","1","1") = "5"
    & skf21("2","4","1","6","4","2","2","1") = "5"
    & skf21("2","4","1","6","4","2","3","1") = "5"
    & skf21("2","4","1","6","4","2","4","1") = "5"
    & skf21("2","4","1","6","4","2","5","1") = "5"
    & skf21("2","4","1","6","4","2","6","1") = "5"
    & skf21("2","4","1","6","4","2","7","1") = "6"
    & skf21("2","4","1","6","4","3","1","1") = "5"
    & skf21("2","4","1","6","4","3","2","1") = "5"
    & skf21("2","4","1","6","4","3","3","1") = "5"
    & skf21("2","4","1","6","4","3","4","1") = "5"
    & skf21("2","4","1","6","4","3","5","1") = "5"
    & skf21("2","4","1","6","4","3","6","1") = "5"
    & skf21("2","4","1","6","4","3","7","1") = "6"
    & skf21("2","4","1","6","4","4","1","1") = "5"
    & skf21("2","4","1","6","4","4","2","1") = "5"
    & skf21("2","4","1","6","4","4","3","1") = "5"
    & skf21("2","4","1","6","4","4","4","1") = "5"
    & skf21("2","4","1","6","4","4","5","1") = "5"
    & skf21("2","4","1","6","4","4","6","1") = "5"
    & skf21("2","4","1","6","4","4","7","1") = "6"
    & skf21("2","4","1","6","4","5","1","1") = "5"
    & skf21("2","4","1","6","4","5","2","1") = "5"
    & skf21("2","4","1","6","4","5","3","1") = "5"
    & skf21("2","4","1","6","4","5","4","1") = "5"
    & skf21("2","4","1","6","4","5","5","1") = "5"
    & skf21("2","4","1","6","4","5","6","1") = "5"
    & skf21("2","4","1","6","4","5","7","1") = "6"
    & skf21("2","4","1","6","4","6","1","1") = "5"
    & skf21("2","4","1","6","4","6","2","1") = "5"
    & skf21("2","4","1","6","4","6","3","1") = "5"
    & skf21("2","4","1","6","4","6","4","1") = "5"
    & skf21("2","4","1","6","4","6","5","1") = "5"
    & skf21("2","4","1","6","4","6","6","1") = "5"
    & skf21("2","4","1","6","4","6","7","1") = "6"
    & skf21("2","4","1","6","4","7","1","1") = "6"
    & skf21("2","4","1","6","4","7","2","1") = "6"
    & skf21("2","4","1","6","4","7","3","1") = "6"
    & skf21("2","4","1","6","4","7","4","1") = "6"
    & skf21("2","4","1","6","4","7","5","1") = "6"
    & skf21("2","4","1","6","4","7","6","1") = "6"
    & skf21("2","4","1","6","4","7","7","1") = "6"
    & skf21("2","4","1","6","5","1","1","1") = "5"
    & skf21("2","4","1","6","5","1","2","1") = "5"
    & skf21("2","4","1","6","5","1","3","1") = "5"
    & skf21("2","4","1","6","5","1","4","1") = "5"
    & skf21("2","4","1","6","5","1","5","1") = "5"
    & skf21("2","4","1","6","5","1","6","1") = "5"
    & skf21("2","4","1","6","5","1","7","1") = "6"
    & skf21("2","4","1","6","5","2","1","1") = "5"
    & skf21("2","4","1","6","5","2","2","1") = "5"
    & skf21("2","4","1","6","5","2","3","1") = "5"
    & skf21("2","4","1","6","5","2","4","1") = "5"
    & skf21("2","4","1","6","5","2","5","1") = "5"
    & skf21("2","4","1","6","5","2","6","1") = "5"
    & skf21("2","4","1","6","5","2","7","1") = "6"
    & skf21("2","4","1","6","5","3","1","1") = "5"
    & skf21("2","4","1","6","5","3","2","1") = "5"
    & skf21("2","4","1","6","5","3","3","1") = "5"
    & skf21("2","4","1","6","5","3","4","1") = "5"
    & skf21("2","4","1","6","5","3","5","1") = "5"
    & skf21("2","4","1","6","5","3","6","1") = "5"
    & skf21("2","4","1","6","5","3","7","1") = "6"
    & skf21("2","4","1","6","5","4","1","1") = "5"
    & skf21("2","4","1","6","5","4","2","1") = "5"
    & skf21("2","4","1","6","5","4","3","1") = "5"
    & skf21("2","4","1","6","5","4","4","1") = "5"
    & skf21("2","4","1","6","5","4","5","1") = "5"
    & skf21("2","4","1","6","5","4","6","1") = "5"
    & skf21("2","4","1","6","5","4","7","1") = "6"
    & skf21("2","4","1","6","5","5","1","1") = "5"
    & skf21("2","4","1","6","5","5","2","1") = "5"
    & skf21("2","4","1","6","5","5","3","1") = "5"
    & skf21("2","4","1","6","5","5","4","1") = "5"
    & skf21("2","4","1","6","5","5","5","1") = "5"
    & skf21("2","4","1","6","5","5","6","1") = "5"
    & skf21("2","4","1","6","5","5","7","1") = "6"
    & skf21("2","4","1","6","5","6","1","1") = "5"
    & skf21("2","4","1","6","5","6","2","1") = "5"
    & skf21("2","4","1","6","5","6","3","1") = "5"
    & skf21("2","4","1","6","5","6","4","1") = "5"
    & skf21("2","4","1","6","5","6","5","1") = "5"
    & skf21("2","4","1","6","5","6","6","1") = "5"
    & skf21("2","4","1","6","5","6","7","1") = "6"
    & skf21("2","4","1","6","5","7","1","1") = "6"
    & skf21("2","4","1","6","5","7","2","1") = "6"
    & skf21("2","4","1","6","5","7","3","1") = "6"
    & skf21("2","4","1","6","5","7","4","1") = "6"
    & skf21("2","4","1","6","5","7","5","1") = "6"
    & skf21("2","4","1","6","5","7","6","1") = "6"
    & skf21("2","4","1","6","5","7","7","1") = "6"
    & skf21("2","4","1","6","6","1","1","1") = "5"
    & skf21("2","4","1","6","6","1","2","1") = "5"
    & skf21("2","4","1","6","6","1","3","1") = "5"
    & skf21("2","4","1","6","6","1","4","1") = "5"
    & skf21("2","4","1","6","6","1","5","1") = "5"
    & skf21("2","4","1","6","6","1","6","1") = "5"
    & skf21("2","4","1","6","6","1","7","1") = "6"
    & skf21("2","4","1","6","6","2","1","1") = "5"
    & skf21("2","4","1","6","6","2","2","1") = "5"
    & skf21("2","4","1","6","6","2","3","1") = "5"
    & skf21("2","4","1","6","6","2","4","1") = "5"
    & skf21("2","4","1","6","6","2","5","1") = "5"
    & skf21("2","4","1","6","6","2","6","1") = "5"
    & skf21("2","4","1","6","6","2","7","1") = "6"
    & skf21("2","4","1","6","6","3","1","1") = "5"
    & skf21("2","4","1","6","6","3","2","1") = "5"
    & skf21("2","4","1","6","6","3","3","1") = "5"
    & skf21("2","4","1","6","6","3","4","1") = "5"
    & skf21("2","4","1","6","6","3","5","1") = "5"
    & skf21("2","4","1","6","6","3","6","1") = "5"
    & skf21("2","4","1","6","6","3","7","1") = "6"
    & skf21("2","4","1","6","6","4","1","1") = "5"
    & skf21("2","4","1","6","6","4","2","1") = "5"
    & skf21("2","4","1","6","6","4","3","1") = "5"
    & skf21("2","4","1","6","6","4","4","1") = "5"
    & skf21("2","4","1","6","6","4","5","1") = "5"
    & skf21("2","4","1","6","6","4","6","1") = "5"
    & skf21("2","4","1","6","6","4","7","1") = "6"
    & skf21("2","4","1","6","6","5","1","1") = "5"
    & skf21("2","4","1","6","6","5","2","1") = "5"
    & skf21("2","4","1","6","6","5","3","1") = "5"
    & skf21("2","4","1","6","6","5","4","1") = "5"
    & skf21("2","4","1","6","6","5","5","1") = "5"
    & skf21("2","4","1","6","6","5","6","1") = "5"
    & skf21("2","4","1","6","6","5","7","1") = "6"
    & skf21("2","4","1","6","6","6","1","1") = "5"
    & skf21("2","4","1","6","6","6","2","1") = "5"
    & skf21("2","4","1","6","6","6","3","1") = "5"
    & skf21("2","4","1","6","6","6","4","1") = "5"
    & skf21("2","4","1","6","6","6","5","1") = "5"
    & skf21("2","4","1","6","6","6","6","1") = "5"
    & skf21("2","4","1","6","6","6","7","1") = "6"
    & skf21("2","4","1","6","6","7","1","1") = "6"
    & skf21("2","4","1","6","6","7","2","1") = "6"
    & skf21("2","4","1","6","6","7","3","1") = "6"
    & skf21("2","4","1","6","6","7","4","1") = "6"
    & skf21("2","4","1","6","6","7","5","1") = "6"
    & skf21("2","4","1","6","6","7","6","1") = "6"
    & skf21("2","4","1","6","6","7","7","1") = "6"
    & skf21("2","4","1","6","7","1","1","1") = "6"
    & skf21("2","4","1","6","7","1","2","1") = "6"
    & skf21("2","4","1","6","7","1","3","1") = "6"
    & skf21("2","4","1","6","7","1","4","1") = "6"
    & skf21("2","4","1","6","7","1","5","1") = "6"
    & skf21("2","4","1","6","7","1","6","1") = "6"
    & skf21("2","4","1","6","7","1","7","1") = "6"
    & skf21("2","4","1","6","7","2","1","1") = "6"
    & skf21("2","4","1","6","7","2","2","1") = "6"
    & skf21("2","4","1","6","7","2","3","1") = "6"
    & skf21("2","4","1","6","7","2","4","1") = "6"
    & skf21("2","4","1","6","7","2","5","1") = "6"
    & skf21("2","4","1","6","7","2","6","1") = "6"
    & skf21("2","4","1","6","7","2","7","1") = "6"
    & skf21("2","4","1","6","7","3","1","1") = "6"
    & skf21("2","4","1","6","7","3","2","1") = "6"
    & skf21("2","4","1","6","7","3","3","1") = "6"
    & skf21("2","4","1","6","7","3","4","1") = "6"
    & skf21("2","4","1","6","7","3","5","1") = "6"
    & skf21("2","4","1","6","7","3","6","1") = "6"
    & skf21("2","4","1","6","7","3","7","1") = "6"
    & skf21("2","4","1","6","7","4","1","1") = "6"
    & skf21("2","4","1","6","7","4","2","1") = "6"
    & skf21("2","4","1","6","7","4","3","1") = "6"
    & skf21("2","4","1","6","7","4","4","1") = "6"
    & skf21("2","4","1","6","7","4","5","1") = "6"
    & skf21("2","4","1","6","7","4","6","1") = "6"
    & skf21("2","4","1","6","7","4","7","1") = "6"
    & skf21("2","4","1","6","7","5","1","1") = "6"
    & skf21("2","4","1","6","7","5","2","1") = "6"
    & skf21("2","4","1","6","7","5","3","1") = "6"
    & skf21("2","4","1","6","7","5","4","1") = "6"
    & skf21("2","4","1","6","7","5","5","1") = "6"
    & skf21("2","4","1","6","7","5","6","1") = "6"
    & skf21("2","4","1","6","7","5","7","1") = "6"
    & skf21("2","4","1","6","7","6","1","1") = "6"
    & skf21("2","4","1","6","7","6","2","1") = "6"
    & skf21("2","4","1","6","7","6","3","1") = "6"
    & skf21("2","4","1","6","7","6","4","1") = "6"
    & skf21("2","4","1","6","7","6","5","1") = "6"
    & skf21("2","4","1","6","7","6","6","1") = "6"
    & skf21("2","4","1","6","7","6","7","1") = "6"
    & skf21("2","4","1","6","7","7","1","1") = "6"
    & skf21("2","4","1","6","7","7","2","1") = "6"
    & skf21("2","4","1","6","7","7","3","1") = "6"
    & skf21("2","4","1","6","7","7","4","1") = "6"
    & skf21("2","4","1","6","7","7","5","1") = "6"
    & skf21("2","4","1","6","7","7","6","1") = "6"
    & skf21("2","4","1","6","7","7","7","1") = "6"
    & skf21("2","4","1","7","1","1","1","1") = "6"
    & skf21("2","4","1","7","1","1","2","1") = "6"
    & skf21("2","4","1","7","1","1","3","1") = "6"
    & skf21("2","4","1","7","1","1","4","1") = "6"
    & skf21("2","4","1","7","1","1","5","1") = "6"
    & skf21("2","4","1","7","1","1","6","1") = "6"
    & skf21("2","4","1","7","1","1","7","1") = "6"
    & skf21("2","4","1","7","1","2","1","1") = "6"
    & skf21("2","4","1","7","1","2","2","1") = "6"
    & skf21("2","4","1","7","1","2","3","1") = "6"
    & skf21("2","4","1","7","1","2","4","1") = "6"
    & skf21("2","4","1","7","1","2","5","1") = "6"
    & skf21("2","4","1","7","1","2","6","1") = "6"
    & skf21("2","4","1","7","1","2","7","1") = "6"
    & skf21("2","4","1","7","1","3","1","1") = "6"
    & skf21("2","4","1","7","1","3","2","1") = "6"
    & skf21("2","4","1","7","1","3","3","1") = "6"
    & skf21("2","4","1","7","1","3","4","1") = "6"
    & skf21("2","4","1","7","1","3","5","1") = "6"
    & skf21("2","4","1","7","1","3","6","1") = "6"
    & skf21("2","4","1","7","1","3","7","1") = "6"
    & skf21("2","4","1","7","1","4","1","1") = "6"
    & skf21("2","4","1","7","1","4","2","1") = "6"
    & skf21("2","4","1","7","1","4","3","1") = "6"
    & skf21("2","4","1","7","1","4","4","1") = "6"
    & skf21("2","4","1","7","1","4","5","1") = "6"
    & skf21("2","4","1","7","1","4","6","1") = "6"
    & skf21("2","4","1","7","1","4","7","1") = "6"
    & skf21("2","4","1","7","1","5","1","1") = "6"
    & skf21("2","4","1","7","1","5","2","1") = "6"
    & skf21("2","4","1","7","1","5","3","1") = "6"
    & skf21("2","4","1","7","1","5","4","1") = "6"
    & skf21("2","4","1","7","1","5","5","1") = "6"
    & skf21("2","4","1","7","1","5","6","1") = "6"
    & skf21("2","4","1","7","1","5","7","1") = "6"
    & skf21("2","4","1","7","1","6","1","1") = "6"
    & skf21("2","4","1","7","1","6","2","1") = "6"
    & skf21("2","4","1","7","1","6","3","1") = "6"
    & skf21("2","4","1","7","1","6","4","1") = "6"
    & skf21("2","4","1","7","1","6","5","1") = "6"
    & skf21("2","4","1","7","1","6","6","1") = "6"
    & skf21("2","4","1","7","1","6","7","1") = "6"
    & skf21("2","4","1","7","1","7","1","1") = "6"
    & skf21("2","4","1","7","1","7","2","1") = "6"
    & skf21("2","4","1","7","1","7","3","1") = "6"
    & skf21("2","4","1","7","1","7","4","1") = "6"
    & skf21("2","4","1","7","1","7","5","1") = "6"
    & skf21("2","4","1","7","1","7","6","1") = "6"
    & skf21("2","4","1","7","1","7","7","1") = "6"
    & skf21("2","4","1","7","2","1","1","1") = "6"
    & skf21("2","4","1","7","2","1","2","1") = "6"
    & skf21("2","4","1","7","2","1","3","1") = "6"
    & skf21("2","4","1","7","2","1","4","1") = "6"
    & skf21("2","4","1","7","2","1","5","1") = "6"
    & skf21("2","4","1","7","2","1","6","1") = "6"
    & skf21("2","4","1","7","2","1","7","1") = "6"
    & skf21("2","4","1","7","2","2","1","1") = "6"
    & skf21("2","4","1","7","2","2","2","1") = "6"
    & skf21("2","4","1","7","2","2","3","1") = "6"
    & skf21("2","4","1","7","2","2","4","1") = "6"
    & skf21("2","4","1","7","2","2","5","1") = "6"
    & skf21("2","4","1","7","2","2","6","1") = "6"
    & skf21("2","4","1","7","2","2","7","1") = "6"
    & skf21("2","4","1","7","2","3","1","1") = "6"
    & skf21("2","4","1","7","2","3","2","1") = "6"
    & skf21("2","4","1","7","2","3","3","1") = "6"
    & skf21("2","4","1","7","2","3","4","1") = "6"
    & skf21("2","4","1","7","2","3","5","1") = "6"
    & skf21("2","4","1","7","2","3","6","1") = "6"
    & skf21("2","4","1","7","2","3","7","1") = "6"
    & skf21("2","4","1","7","2","4","1","1") = "6"
    & skf21("2","4","1","7","2","4","2","1") = "6"
    & skf21("2","4","1","7","2","4","3","1") = "6"
    & skf21("2","4","1","7","2","4","4","1") = "6"
    & skf21("2","4","1","7","2","4","5","1") = "6"
    & skf21("2","4","1","7","2","4","6","1") = "6"
    & skf21("2","4","1","7","2","4","7","1") = "6"
    & skf21("2","4","1","7","2","5","1","1") = "6"
    & skf21("2","4","1","7","2","5","2","1") = "6"
    & skf21("2","4","1","7","2","5","3","1") = "6"
    & skf21("2","4","1","7","2","5","4","1") = "6"
    & skf21("2","4","1","7","2","5","5","1") = "6"
    & skf21("2","4","1","7","2","5","6","1") = "6"
    & skf21("2","4","1","7","2","5","7","1") = "6"
    & skf21("2","4","1","7","2","6","1","1") = "6"
    & skf21("2","4","1","7","2","6","2","1") = "6"
    & skf21("2","4","1","7","2","6","3","1") = "6"
    & skf21("2","4","1","7","2","6","4","1") = "6"
    & skf21("2","4","1","7","2","6","5","1") = "6"
    & skf21("2","4","1","7","2","6","6","1") = "6"
    & skf21("2","4","1","7","2","6","7","1") = "6"
    & skf21("2","4","1","7","2","7","1","1") = "6"
    & skf21("2","4","1","7","2","7","2","1") = "6"
    & skf21("2","4","1","7","2","7","3","1") = "6"
    & skf21("2","4","1","7","2","7","4","1") = "6"
    & skf21("2","4","1","7","2","7","5","1") = "6"
    & skf21("2","4","1","7","2","7","6","1") = "6"
    & skf21("2","4","1","7","2","7","7","1") = "6"
    & skf21("2","4","1","7","3","1","1","1") = "6"
    & skf21("2","4","1","7","3","1","2","1") = "6"
    & skf21("2","4","1","7","3","1","3","1") = "6"
    & skf21("2","4","1","7","3","1","4","1") = "6"
    & skf21("2","4","1","7","3","1","5","1") = "6"
    & skf21("2","4","1","7","3","1","6","1") = "6"
    & skf21("2","4","1","7","3","1","7","1") = "6"
    & skf21("2","4","1","7","3","2","1","1") = "6"
    & skf21("2","4","1","7","3","2","2","1") = "6"
    & skf21("2","4","1","7","3","2","3","1") = "6"
    & skf21("2","4","1","7","3","2","4","1") = "6"
    & skf21("2","4","1","7","3","2","5","1") = "6"
    & skf21("2","4","1","7","3","2","6","1") = "6"
    & skf21("2","4","1","7","3","2","7","1") = "6"
    & skf21("2","4","1","7","3","3","1","1") = "6"
    & skf21("2","4","1","7","3","3","2","1") = "6"
    & skf21("2","4","1","7","3","3","3","1") = "6"
    & skf21("2","4","1","7","3","3","4","1") = "6"
    & skf21("2","4","1","7","3","3","5","1") = "6"
    & skf21("2","4","1","7","3","3","6","1") = "6"
    & skf21("2","4","1","7","3","3","7","1") = "6"
    & skf21("2","4","1","7","3","4","1","1") = "6"
    & skf21("2","4","1","7","3","4","2","1") = "6"
    & skf21("2","4","1","7","3","4","3","1") = "6"
    & skf21("2","4","1","7","3","4","4","1") = "6"
    & skf21("2","4","1","7","3","4","5","1") = "6"
    & skf21("2","4","1","7","3","4","6","1") = "6"
    & skf21("2","4","1","7","3","4","7","1") = "6"
    & skf21("2","4","1","7","3","5","1","1") = "6"
    & skf21("2","4","1","7","3","5","2","1") = "6"
    & skf21("2","4","1","7","3","5","3","1") = "6"
    & skf21("2","4","1","7","3","5","4","1") = "6"
    & skf21("2","4","1","7","3","5","5","1") = "6"
    & skf21("2","4","1","7","3","5","6","1") = "6"
    & skf21("2","4","1","7","3","5","7","1") = "6"
    & skf21("2","4","1","7","3","6","1","1") = "6"
    & skf21("2","4","1","7","3","6","2","1") = "6"
    & skf21("2","4","1","7","3","6","3","1") = "6"
    & skf21("2","4","1","7","3","6","4","1") = "6"
    & skf21("2","4","1","7","3","6","5","1") = "6"
    & skf21("2","4","1","7","3","6","6","1") = "6"
    & skf21("2","4","1","7","3","6","7","1") = "6"
    & skf21("2","4","1","7","3","7","1","1") = "6"
    & skf21("2","4","1","7","3","7","2","1") = "6"
    & skf21("2","4","1","7","3","7","3","1") = "6"
    & skf21("2","4","1","7","3","7","4","1") = "6"
    & skf21("2","4","1","7","3","7","5","1") = "6"
    & skf21("2","4","1","7","3","7","6","1") = "6"
    & skf21("2","4","1","7","3","7","7","1") = "6"
    & skf21("2","4","1","7","4","1","1","1") = "6"
    & skf21("2","4","1","7","4","1","2","1") = "6"
    & skf21("2","4","1","7","4","1","3","1") = "6"
    & skf21("2","4","1","7","4","1","4","1") = "6"
    & skf21("2","4","1","7","4","1","5","1") = "6"
    & skf21("2","4","1","7","4","1","6","1") = "6"
    & skf21("2","4","1","7","4","1","7","1") = "6"
    & skf21("2","4","1","7","4","2","1","1") = "6"
    & skf21("2","4","1","7","4","2","2","1") = "6"
    & skf21("2","4","1","7","4","2","3","1") = "6"
    & skf21("2","4","1","7","4","2","4","1") = "6"
    & skf21("2","4","1","7","4","2","5","1") = "6"
    & skf21("2","4","1","7","4","2","6","1") = "6"
    & skf21("2","4","1","7","4","2","7","1") = "6"
    & skf21("2","4","1","7","4","3","1","1") = "6"
    & skf21("2","4","1","7","4","3","2","1") = "6"
    & skf21("2","4","1","7","4","3","3","1") = "6"
    & skf21("2","4","1","7","4","3","4","1") = "6"
    & skf21("2","4","1","7","4","3","5","1") = "6"
    & skf21("2","4","1","7","4","3","6","1") = "6"
    & skf21("2","4","1","7","4","3","7","1") = "6"
    & skf21("2","4","1","7","4","4","1","1") = "6"
    & skf21("2","4","1","7","4","4","2","1") = "6"
    & skf21("2","4","1","7","4","4","3","1") = "6"
    & skf21("2","4","1","7","4","4","4","1") = "6"
    & skf21("2","4","1","7","4","4","5","1") = "6"
    & skf21("2","4","1","7","4","4","6","1") = "6"
    & skf21("2","4","1","7","4","4","7","1") = "6"
    & skf21("2","4","1","7","4","5","1","1") = "6"
    & skf21("2","4","1","7","4","5","2","1") = "6"
    & skf21("2","4","1","7","4","5","3","1") = "6"
    & skf21("2","4","1","7","4","5","4","1") = "6"
    & skf21("2","4","1","7","4","5","5","1") = "6"
    & skf21("2","4","1","7","4","5","6","1") = "6"
    & skf21("2","4","1","7","4","5","7","1") = "6"
    & skf21("2","4","1","7","4","6","1","1") = "6"
    & skf21("2","4","1","7","4","6","2","1") = "6"
    & skf21("2","4","1","7","4","6","3","1") = "6"
    & skf21("2","4","1","7","4","6","4","1") = "6"
    & skf21("2","4","1","7","4","6","5","1") = "6"
    & skf21("2","4","1","7","4","6","6","1") = "6"
    & skf21("2","4","1","7","4","6","7","1") = "6"
    & skf21("2","4","1","7","4","7","1","1") = "6"
    & skf21("2","4","1","7","4","7","2","1") = "6"
    & skf21("2","4","1","7","4","7","3","1") = "6"
    & skf21("2","4","1","7","4","7","4","1") = "6"
    & skf21("2","4","1","7","4","7","5","1") = "6"
    & skf21("2","4","1","7","4","7","6","1") = "6"
    & skf21("2","4","1","7","4","7","7","1") = "6"
    & skf21("2","4","1","7","5","1","1","1") = "6"
    & skf21("2","4","1","7","5","1","2","1") = "6"
    & skf21("2","4","1","7","5","1","3","1") = "6"
    & skf21("2","4","1","7","5","1","4","1") = "6"
    & skf21("2","4","1","7","5","1","5","1") = "6"
    & skf21("2","4","1","7","5","1","6","1") = "6"
    & skf21("2","4","1","7","5","1","7","1") = "6"
    & skf21("2","4","1","7","5","2","1","1") = "6"
    & skf21("2","4","1","7","5","2","2","1") = "6"
    & skf21("2","4","1","7","5","2","3","1") = "6"
    & skf21("2","4","1","7","5","2","4","1") = "6"
    & skf21("2","4","1","7","5","2","5","1") = "6"
    & skf21("2","4","1","7","5","2","6","1") = "6"
    & skf21("2","4","1","7","5","2","7","1") = "6"
    & skf21("2","4","1","7","5","3","1","1") = "6"
    & skf21("2","4","1","7","5","3","2","1") = "6"
    & skf21("2","4","1","7","5","3","3","1") = "6"
    & skf21("2","4","1","7","5","3","4","1") = "6"
    & skf21("2","4","1","7","5","3","5","1") = "6"
    & skf21("2","4","1","7","5","3","6","1") = "6"
    & skf21("2","4","1","7","5","3","7","1") = "6"
    & skf21("2","4","1","7","5","4","1","1") = "6"
    & skf21("2","4","1","7","5","4","2","1") = "6"
    & skf21("2","4","1","7","5","4","3","1") = "6"
    & skf21("2","4","1","7","5","4","4","1") = "6"
    & skf21("2","4","1","7","5","4","5","1") = "6"
    & skf21("2","4","1","7","5","4","6","1") = "6"
    & skf21("2","4","1","7","5","4","7","1") = "6"
    & skf21("2","4","1","7","5","5","1","1") = "6"
    & skf21("2","4","1","7","5","5","2","1") = "6"
    & skf21("2","4","1","7","5","5","3","1") = "6"
    & skf21("2","4","1","7","5","5","4","1") = "6"
    & skf21("2","4","1","7","5","5","5","1") = "6"
    & skf21("2","4","1","7","5","5","6","1") = "6"
    & skf21("2","4","1","7","5","5","7","1") = "6"
    & skf21("2","4","1","7","5","6","1","1") = "6"
    & skf21("2","4","1","7","5","6","2","1") = "6"
    & skf21("2","4","1","7","5","6","3","1") = "6"
    & skf21("2","4","1","7","5","6","4","1") = "6"
    & skf21("2","4","1","7","5","6","5","1") = "6"
    & skf21("2","4","1","7","5","6","6","1") = "6"
    & skf21("2","4","1","7","5","6","7","1") = "6"
    & skf21("2","4","1","7","5","7","1","1") = "6"
    & skf21("2","4","1","7","5","7","2","1") = "6"
    & skf21("2","4","1","7","5","7","3","1") = "6"
    & skf21("2","4","1","7","5","7","4","1") = "6"
    & skf21("2","4","1","7","5","7","5","1") = "6"
    & skf21("2","4","1","7","5","7","6","1") = "6"
    & skf21("2","4","1","7","5","7","7","1") = "6"
    & skf21("2","4","1","7","6","1","1","1") = "6"
    & skf21("2","4","1","7","6","1","2","1") = "6"
    & skf21("2","4","1","7","6","1","3","1") = "6"
    & skf21("2","4","1","7","6","1","4","1") = "6"
    & skf21("2","4","1","7","6","1","5","1") = "6"
    & skf21("2","4","1","7","6","1","6","1") = "6"
    & skf21("2","4","1","7","6","1","7","1") = "6"
    & skf21("2","4","1","7","6","2","1","1") = "6"
    & skf21("2","4","1","7","6","2","2","1") = "6"
    & skf21("2","4","1","7","6","2","3","1") = "6"
    & skf21("2","4","1","7","6","2","4","1") = "6"
    & skf21("2","4","1","7","6","2","5","1") = "6"
    & skf21("2","4","1","7","6","2","6","1") = "6"
    & skf21("2","4","1","7","6","2","7","1") = "6"
    & skf21("2","4","1","7","6","3","1","1") = "6"
    & skf21("2","4","1","7","6","3","2","1") = "6"
    & skf21("2","4","1","7","6","3","3","1") = "6"
    & skf21("2","4","1","7","6","3","4","1") = "6"
    & skf21("2","4","1","7","6","3","5","1") = "6"
    & skf21("2","4","1","7","6","3","6","1") = "6"
    & skf21("2","4","1","7","6","3","7","1") = "6"
    & skf21("2","4","1","7","6","4","1","1") = "6"
    & skf21("2","4","1","7","6","4","2","1") = "6"
    & skf21("2","4","1","7","6","4","3","1") = "6"
    & skf21("2","4","1","7","6","4","4","1") = "6"
    & skf21("2","4","1","7","6","4","5","1") = "6"
    & skf21("2","4","1","7","6","4","6","1") = "6"
    & skf21("2","4","1","7","6","4","7","1") = "6"
    & skf21("2","4","1","7","6","5","1","1") = "6"
    & skf21("2","4","1","7","6","5","2","1") = "6"
    & skf21("2","4","1","7","6","5","3","1") = "6"
    & skf21("2","4","1","7","6","5","4","1") = "6"
    & skf21("2","4","1","7","6","5","5","1") = "6"
    & skf21("2","4","1","7","6","5","6","1") = "6"
    & skf21("2","4","1","7","6","5","7","1") = "6"
    & skf21("2","4","1","7","6","6","1","1") = "6"
    & skf21("2","4","1","7","6","6","2","1") = "6"
    & skf21("2","4","1","7","6","6","3","1") = "6"
    & skf21("2","4","1","7","6","6","4","1") = "6"
    & skf21("2","4","1","7","6","6","5","1") = "6"
    & skf21("2","4","1","7","6","6","6","1") = "6"
    & skf21("2","4","1","7","6","6","7","1") = "6"
    & skf21("2","4","1","7","6","7","1","1") = "6"
    & skf21("2","4","1","7","6","7","2","1") = "6"
    & skf21("2","4","1","7","6","7","3","1") = "6"
    & skf21("2","4","1","7","6","7","4","1") = "6"
    & skf21("2","4","1","7","6","7","5","1") = "6"
    & skf21("2","4","1","7","6","7","6","1") = "6"
    & skf21("2","4","1","7","6","7","7","1") = "6"
    & skf21("2","4","1","7","7","1","1","1") = "6"
    & skf21("2","4","1","7","7","1","2","1") = "6"
    & skf21("2","4","1","7","7","1","3","1") = "6"
    & skf21("2","4","1","7","7","1","4","1") = "6"
    & skf21("2","4","1","7","7","1","5","1") = "6"
    & skf21("2","4","1","7","7","1","6","1") = "6"
    & skf21("2","4","1","7","7","1","7","1") = "6"
    & skf21("2","4","1","7","7","2","1","1") = "6"
    & skf21("2","4","1","7","7","2","2","1") = "6"
    & skf21("2","4","1","7","7","2","3","1") = "6"
    & skf21("2","4","1","7","7","2","4","1") = "6"
    & skf21("2","4","1","7","7","2","5","1") = "6"
    & skf21("2","4","1","7","7","2","6","1") = "6"
    & skf21("2","4","1","7","7","2","7","1") = "6"
    & skf21("2","4","1","7","7","3","1","1") = "6"
    & skf21("2","4","1","7","7","3","2","1") = "6"
    & skf21("2","4","1","7","7","3","3","1") = "6"
    & skf21("2","4","1","7","7","3","4","1") = "6"
    & skf21("2","4","1","7","7","3","5","1") = "6"
    & skf21("2","4","1","7","7","3","6","1") = "6"
    & skf21("2","4","1","7","7","3","7","1") = "6"
    & skf21("2","4","1","7","7","4","1","1") = "6"
    & skf21("2","4","1","7","7","4","2","1") = "6"
    & skf21("2","4","1","7","7","4","3","1") = "6"
    & skf21("2","4","1","7","7","4","4","1") = "6"
    & skf21("2","4","1","7","7","4","5","1") = "6"
    & skf21("2","4","1","7","7","4","6","1") = "6"
    & skf21("2","4","1","7","7","4","7","1") = "6"
    & skf21("2","4","1","7","7","5","1","1") = "6"
    & skf21("2","4","1","7","7","5","2","1") = "6"
    & skf21("2","4","1","7","7","5","3","1") = "6"
    & skf21("2","4","1","7","7","5","4","1") = "6"
    & skf21("2","4","1","7","7","5","5","1") = "6"
    & skf21("2","4","1","7","7","5","6","1") = "6"
    & skf21("2","4","1","7","7","5","7","1") = "6"
    & skf21("2","4","1","7","7","6","1","1") = "6"
    & skf21("2","4","1","7","7","6","2","1") = "6"
    & skf21("2","4","1","7","7","6","3","1") = "6"
    & skf21("2","4","1","7","7","6","4","1") = "6"
    & skf21("2","4","1","7","7","6","5","1") = "6"
    & skf21("2","4","1","7","7","6","6","1") = "6"
    & skf21("2","4","1","7","7","6","7","1") = "6"
    & skf21("2","4","1","7","7","7","1","1") = "6"
    & skf21("2","4","1","7","7","7","2","1") = "6"
    & skf21("2","4","1","7","7","7","3","1") = "6"
    & skf21("2","4","1","7","7","7","4","1") = "6"
    & skf21("2","4","1","7","7","7","5","1") = "6"
    & skf21("2","4","1","7","7","7","6","1") = "6"
    & skf21("2","4","1","7","7","7","7","1") = "6"
    & skf21("2","4","2","1","1","1","1","1") = "3"
    & skf21("2","4","2","1","1","1","2","1") = "3"
    & skf21("2","4","2","1","1","1","3","1") = "3"
    & skf21("2","4","2","1","1","1","4","1") = "3"
    & skf21("2","4","2","1","1","1","5","1") = "4"
    & skf21("2","4","2","1","1","1","6","1") = "5"
    & skf21("2","4","2","1","1","1","7","1") = "6"
    & skf21("2","4","2","1","1","2","1","1") = "3"
    & skf21("2","4","2","1","1","2","2","1") = "3"
    & skf21("2","4","2","1","1","2","3","1") = "3"
    & skf21("2","4","2","1","1","2","4","1") = "3"
    & skf21("2","4","2","1","1","2","5","1") = "4"
    & skf21("2","4","2","1","1","2","6","1") = "5"
    & skf21("2","4","2","1","1","2","7","1") = "6"
    & skf21("2","4","2","1","1","3","1","1") = "3"
    & skf21("2","4","2","1","1","3","2","1") = "3"
    & skf21("2","4","2","1","1","3","3","1") = "3"
    & skf21("2","4","2","1","1","3","4","1") = "3"
    & skf21("2","4","2","1","1","3","5","1") = "4"
    & skf21("2","4","2","1","1","3","6","1") = "5"
    & skf21("2","4","2","1","1","3","7","1") = "6"
    & skf21("2","4","2","1","1","4","1","1") = "3"
    & skf21("2","4","2","1","1","4","2","1") = "3"
    & skf21("2","4","2","1","1","4","3","1") = "3"
    & skf21("2","4","2","1","1","4","4","1") = "3"
    & skf21("2","4","2","1","1","4","5","1") = "4"
    & skf21("2","4","2","1","1","4","6","1") = "5"
    & skf21("2","4","2","1","1","4","7","1") = "6"
    & skf21("2","4","2","1","1","5","1","1") = "4"
    & skf21("2","4","2","1","1","5","2","1") = "4"
    & skf21("2","4","2","1","1","5","3","1") = "4"
    & skf21("2","4","2","1","1","5","4","1") = "4"
    & skf21("2","4","2","1","1","5","5","1") = "4"
    & skf21("2","4","2","1","1","5","6","1") = "5"
    & skf21("2","4","2","1","1","5","7","1") = "6"
    & skf21("2","4","2","1","1","6","1","1") = "5"
    & skf21("2","4","2","1","1","6","2","1") = "5"
    & skf21("2","4","2","1","1","6","3","1") = "5"
    & skf21("2","4","2","1","1","6","4","1") = "5"
    & skf21("2","4","2","1","1","6","5","1") = "5"
    & skf21("2","4","2","1","1","6","6","1") = "5"
    & skf21("2","4","2","1","1","6","7","1") = "6"
    & skf21("2","4","2","1","1","7","1","1") = "6"
    & skf21("2","4","2","1","1","7","2","1") = "6"
    & skf21("2","4","2","1","1","7","3","1") = "6"
    & skf21("2","4","2","1","1","7","4","1") = "6"
    & skf21("2","4","2","1","1","7","5","1") = "6"
    & skf21("2","4","2","1","1","7","6","1") = "6"
    & skf21("2","4","2","1","1","7","7","1") = "6"
    & skf21("2","4","2","1","2","1","1","1") = "3"
    & skf21("2","4","2","1","2","1","2","1") = "3"
    & skf21("2","4","2","1","2","1","3","1") = "3"
    & skf21("2","4","2","1","2","1","4","1") = "3"
    & skf21("2","4","2","1","2","1","5","1") = "4"
    & skf21("2","4","2","1","2","1","6","1") = "5"
    & skf21("2","4","2","1","2","1","7","1") = "6"
    & skf21("2","4","2","1","2","2","1","1") = "3"
    & skf21("2","4","2","1","2","2","2","1") = "3"
    & skf21("2","4","2","1","2","2","3","1") = "3"
    & skf21("2","4","2","1","2","2","4","1") = "3"
    & skf21("2","4","2","1","2","2","5","1") = "4"
    & skf21("2","4","2","1","2","2","6","1") = "5"
    & skf21("2","4","2","1","2","2","7","1") = "6"
    & skf21("2","4","2","1","2","3","1","1") = "3"
    & skf21("2","4","2","1","2","3","2","1") = "3"
    & skf21("2","4","2","1","2","3","3","1") = "3"
    & skf21("2","4","2","1","2","3","4","1") = "3"
    & skf21("2","4","2","1","2","3","5","1") = "4"
    & skf21("2","4","2","1","2","3","6","1") = "5"
    & skf21("2","4","2","1","2","3","7","1") = "6"
    & skf21("2","4","2","1","2","4","1","1") = "3"
    & skf21("2","4","2","1","2","4","2","1") = "3"
    & skf21("2","4","2","1","2","4","3","1") = "3"
    & skf21("2","4","2","1","2","4","4","1") = "3"
    & skf21("2","4","2","1","2","4","5","1") = "4"
    & skf21("2","4","2","1","2","4","6","1") = "5"
    & skf21("2","4","2","1","2","4","7","1") = "6"
    & skf21("2","4","2","1","2","5","1","1") = "4"
    & skf21("2","4","2","1","2","5","2","1") = "4"
    & skf21("2","4","2","1","2","5","3","1") = "4"
    & skf21("2","4","2","1","2","5","4","1") = "4"
    & skf21("2","4","2","1","2","5","5","1") = "4"
    & skf21("2","4","2","1","2","5","6","1") = "5"
    & skf21("2","4","2","1","2","5","7","1") = "6"
    & skf21("2","4","2","1","2","6","1","1") = "5"
    & skf21("2","4","2","1","2","6","2","1") = "5"
    & skf21("2","4","2","1","2","6","3","1") = "5"
    & skf21("2","4","2","1","2","6","4","1") = "5"
    & skf21("2","4","2","1","2","6","5","1") = "5"
    & skf21("2","4","2","1","2","6","6","1") = "5"
    & skf21("2","4","2","1","2","6","7","1") = "6"
    & skf21("2","4","2","1","2","7","1","1") = "6"
    & skf21("2","4","2","1","2","7","2","1") = "6"
    & skf21("2","4","2","1","2","7","3","1") = "6"
    & skf21("2","4","2","1","2","7","4","1") = "6"
    & skf21("2","4","2","1","2","7","5","1") = "6"
    & skf21("2","4","2","1","2","7","6","1") = "6"
    & skf21("2","4","2","1","2","7","7","1") = "6"
    & skf21("2","4","2","1","3","1","1","1") = "3"
    & skf21("2","4","2","1","3","1","2","1") = "3"
    & skf21("2","4","2","1","3","1","3","1") = "3"
    & skf21("2","4","2","1","3","1","4","1") = "3"
    & skf21("2","4","2","1","3","1","5","1") = "4"
    & skf21("2","4","2","1","3","1","6","1") = "5"
    & skf21("2","4","2","1","3","1","7","1") = "6"
    & skf21("2","4","2","1","3","2","1","1") = "3"
    & skf21("2","4","2","1","3","2","2","1") = "3"
    & skf21("2","4","2","1","3","2","3","1") = "3"
    & skf21("2","4","2","1","3","2","4","1") = "3"
    & skf21("2","4","2","1","3","2","5","1") = "4"
    & skf21("2","4","2","1","3","2","6","1") = "5"
    & skf21("2","4","2","1","3","2","7","1") = "6"
    & skf21("2","4","2","1","3","3","1","1") = "3"
    & skf21("2","4","2","1","3","3","2","1") = "3"
    & skf21("2","4","2","1","3","3","3","1") = "3"
    & skf21("2","4","2","1","3","3","4","1") = "3"
    & skf21("2","4","2","1","3","3","5","1") = "4"
    & skf21("2","4","2","1","3","3","6","1") = "5"
    & skf21("2","4","2","1","3","3","7","1") = "6"
    & skf21("2","4","2","1","3","4","1","1") = "3"
    & skf21("2","4","2","1","3","4","2","1") = "3"
    & skf21("2","4","2","1","3","4","3","1") = "3"
    & skf21("2","4","2","1","3","4","4","1") = "3"
    & skf21("2","4","2","1","3","4","5","1") = "4"
    & skf21("2","4","2","1","3","4","6","1") = "5"
    & skf21("2","4","2","1","3","4","7","1") = "6"
    & skf21("2","4","2","1","3","5","1","1") = "4"
    & skf21("2","4","2","1","3","5","2","1") = "4"
    & skf21("2","4","2","1","3","5","3","1") = "4"
    & skf21("2","4","2","1","3","5","4","1") = "4"
    & skf21("2","4","2","1","3","5","5","1") = "4"
    & skf21("2","4","2","1","3","5","6","1") = "5"
    & skf21("2","4","2","1","3","5","7","1") = "6"
    & skf21("2","4","2","1","3","6","1","1") = "5"
    & skf21("2","4","2","1","3","6","2","1") = "5"
    & skf21("2","4","2","1","3","6","3","1") = "5"
    & skf21("2","4","2","1","3","6","4","1") = "5"
    & skf21("2","4","2","1","3","6","5","1") = "5"
    & skf21("2","4","2","1","3","6","6","1") = "5"
    & skf21("2","4","2","1","3","6","7","1") = "6"
    & skf21("2","4","2","1","3","7","1","1") = "6"
    & skf21("2","4","2","1","3","7","2","1") = "6"
    & skf21("2","4","2","1","3","7","3","1") = "6"
    & skf21("2","4","2","1","3","7","4","1") = "6"
    & skf21("2","4","2","1","3","7","5","1") = "6"
    & skf21("2","4","2","1","3","7","6","1") = "6"
    & skf21("2","4","2","1","3","7","7","1") = "6"
    & skf21("2","4","2","1","4","1","1","1") = "3"
    & skf21("2","4","2","1","4","1","2","1") = "3"
    & skf21("2","4","2","1","4","1","3","1") = "3"
    & skf21("2","4","2","1","4","1","4","1") = "3"
    & skf21("2","4","2","1","4","1","5","1") = "4"
    & skf21("2","4","2","1","4","1","6","1") = "5"
    & skf21("2","4","2","1","4","1","7","1") = "6"
    & skf21("2","4","2","1","4","2","1","1") = "3"
    & skf21("2","4","2","1","4","2","2","1") = "3"
    & skf21("2","4","2","1","4","2","3","1") = "3"
    & skf21("2","4","2","1","4","2","4","1") = "3"
    & skf21("2","4","2","1","4","2","5","1") = "4"
    & skf21("2","4","2","1","4","2","6","1") = "5"
    & skf21("2","4","2","1","4","2","7","1") = "6"
    & skf21("2","4","2","1","4","3","1","1") = "3"
    & skf21("2","4","2","1","4","3","2","1") = "3"
    & skf21("2","4","2","1","4","3","3","1") = "3"
    & skf21("2","4","2","1","4","3","4","1") = "3"
    & skf21("2","4","2","1","4","3","5","1") = "4"
    & skf21("2","4","2","1","4","3","6","1") = "5"
    & skf21("2","4","2","1","4","3","7","1") = "6"
    & skf21("2","4","2","1","4","4","1","1") = "3"
    & skf21("2","4","2","1","4","4","2","1") = "3"
    & skf21("2","4","2","1","4","4","3","1") = "3"
    & skf21("2","4","2","1","4","4","4","1") = "3"
    & skf21("2","4","2","1","4","4","5","1") = "4"
    & skf21("2","4","2","1","4","4","6","1") = "5"
    & skf21("2","4","2","1","4","4","7","1") = "6"
    & skf21("2","4","2","1","4","5","1","1") = "4"
    & skf21("2","4","2","1","4","5","2","1") = "4"
    & skf21("2","4","2","1","4","5","3","1") = "4"
    & skf21("2","4","2","1","4","5","4","1") = "4"
    & skf21("2","4","2","1","4","5","5","1") = "4"
    & skf21("2","4","2","1","4","5","6","1") = "5"
    & skf21("2","4","2","1","4","5","7","1") = "6"
    & skf21("2","4","2","1","4","6","1","1") = "5"
    & skf21("2","4","2","1","4","6","2","1") = "5"
    & skf21("2","4","2","1","4","6","3","1") = "5"
    & skf21("2","4","2","1","4","6","4","1") = "5"
    & skf21("2","4","2","1","4","6","5","1") = "5"
    & skf21("2","4","2","1","4","6","6","1") = "5"
    & skf21("2","4","2","1","4","6","7","1") = "6"
    & skf21("2","4","2","1","4","7","1","1") = "6"
    & skf21("2","4","2","1","4","7","2","1") = "6"
    & skf21("2","4","2","1","4","7","3","1") = "6"
    & skf21("2","4","2","1","4","7","4","1") = "6"
    & skf21("2","4","2","1","4","7","5","1") = "6"
    & skf21("2","4","2","1","4","7","6","1") = "6"
    & skf21("2","4","2","1","4","7","7","1") = "6"
    & skf21("2","4","2","1","5","1","1","1") = "4"
    & skf21("2","4","2","1","5","1","2","1") = "4"
    & skf21("2","4","2","1","5","1","3","1") = "4"
    & skf21("2","4","2","1","5","1","4","1") = "4"
    & skf21("2","4","2","1","5","1","5","1") = "4"
    & skf21("2","4","2","1","5","1","6","1") = "5"
    & skf21("2","4","2","1","5","1","7","1") = "6"
    & skf21("2","4","2","1","5","2","1","1") = "4"
    & skf21("2","4","2","1","5","2","2","1") = "4"
    & skf21("2","4","2","1","5","2","3","1") = "4"
    & skf21("2","4","2","1","5","2","4","1") = "4"
    & skf21("2","4","2","1","5","2","5","1") = "4"
    & skf21("2","4","2","1","5","2","6","1") = "5"
    & skf21("2","4","2","1","5","2","7","1") = "6"
    & skf21("2","4","2","1","5","3","1","1") = "4"
    & skf21("2","4","2","1","5","3","2","1") = "4"
    & skf21("2","4","2","1","5","3","3","1") = "4"
    & skf21("2","4","2","1","5","3","4","1") = "4"
    & skf21("2","4","2","1","5","3","5","1") = "4"
    & skf21("2","4","2","1","5","3","6","1") = "5"
    & skf21("2","4","2","1","5","3","7","1") = "6"
    & skf21("2","4","2","1","5","4","1","1") = "4"
    & skf21("2","4","2","1","5","4","2","1") = "4"
    & skf21("2","4","2","1","5","4","3","1") = "4"
    & skf21("2","4","2","1","5","4","4","1") = "4"
    & skf21("2","4","2","1","5","4","5","1") = "4"
    & skf21("2","4","2","1","5","4","6","1") = "5"
    & skf21("2","4","2","1","5","4","7","1") = "6"
    & skf21("2","4","2","1","5","5","1","1") = "4"
    & skf21("2","4","2","1","5","5","2","1") = "4"
    & skf21("2","4","2","1","5","5","3","1") = "4"
    & skf21("2","4","2","1","5","5","4","1") = "4"
    & skf21("2","4","2","1","5","5","5","1") = "4"
    & skf21("2","4","2","1","5","5","6","1") = "5"
    & skf21("2","4","2","1","5","5","7","1") = "6"
    & skf21("2","4","2","1","5","6","1","1") = "5"
    & skf21("2","4","2","1","5","6","2","1") = "5"
    & skf21("2","4","2","1","5","6","3","1") = "5"
    & skf21("2","4","2","1","5","6","4","1") = "5"
    & skf21("2","4","2","1","5","6","5","1") = "5"
    & skf21("2","4","2","1","5","6","6","1") = "5"
    & skf21("2","4","2","1","5","6","7","1") = "6"
    & skf21("2","4","2","1","5","7","1","1") = "6"
    & skf21("2","4","2","1","5","7","2","1") = "6"
    & skf21("2","4","2","1","5","7","3","1") = "6"
    & skf21("2","4","2","1","5","7","4","1") = "6"
    & skf21("2","4","2","1","5","7","5","1") = "6"
    & skf21("2","4","2","1","5","7","6","1") = "6"
    & skf21("2","4","2","1","5","7","7","1") = "6"
    & skf21("2","4","2","1","6","1","1","1") = "5"
    & skf21("2","4","2","1","6","1","2","1") = "5"
    & skf21("2","4","2","1","6","1","3","1") = "5"
    & skf21("2","4","2","1","6","1","4","1") = "5"
    & skf21("2","4","2","1","6","1","5","1") = "5"
    & skf21("2","4","2","1","6","1","6","1") = "5"
    & skf21("2","4","2","1","6","1","7","1") = "6"
    & skf21("2","4","2","1","6","2","1","1") = "5"
    & skf21("2","4","2","1","6","2","2","1") = "5"
    & skf21("2","4","2","1","6","2","3","1") = "5"
    & skf21("2","4","2","1","6","2","4","1") = "5"
    & skf21("2","4","2","1","6","2","5","1") = "5"
    & skf21("2","4","2","1","6","2","6","1") = "5"
    & skf21("2","4","2","1","6","2","7","1") = "6"
    & skf21("2","4","2","1","6","3","1","1") = "5"
    & skf21("2","4","2","1","6","3","2","1") = "5"
    & skf21("2","4","2","1","6","3","3","1") = "5"
    & skf21("2","4","2","1","6","3","4","1") = "5"
    & skf21("2","4","2","1","6","3","5","1") = "5"
    & skf21("2","4","2","1","6","3","6","1") = "5"
    & skf21("2","4","2","1","6","3","7","1") = "6"
    & skf21("2","4","2","1","6","4","1","1") = "5"
    & skf21("2","4","2","1","6","4","2","1") = "5"
    & skf21("2","4","2","1","6","4","3","1") = "5"
    & skf21("2","4","2","1","6","4","4","1") = "5"
    & skf21("2","4","2","1","6","4","5","1") = "5"
    & skf21("2","4","2","1","6","4","6","1") = "5"
    & skf21("2","4","2","1","6","4","7","1") = "6"
    & skf21("2","4","2","1","6","5","1","1") = "5"
    & skf21("2","4","2","1","6","5","2","1") = "5"
    & skf21("2","4","2","1","6","5","3","1") = "5"
    & skf21("2","4","2","1","6","5","4","1") = "5"
    & skf21("2","4","2","1","6","5","5","1") = "5"
    & skf21("2","4","2","1","6","5","6","1") = "5"
    & skf21("2","4","2","1","6","5","7","1") = "6"
    & skf21("2","4","2","1","6","6","1","1") = "5"
    & skf21("2","4","2","1","6","6","2","1") = "5"
    & skf21("2","4","2","1","6","6","3","1") = "5"
    & skf21("2","4","2","1","6","6","4","1") = "5"
    & skf21("2","4","2","1","6","6","5","1") = "5"
    & skf21("2","4","2","1","6","6","6","1") = "5"
    & skf21("2","4","2","1","6","6","7","1") = "6"
    & skf21("2","4","2","1","6","7","1","1") = "6"
    & skf21("2","4","2","1","6","7","2","1") = "6"
    & skf21("2","4","2","1","6","7","3","1") = "6"
    & skf21("2","4","2","1","6","7","4","1") = "6"
    & skf21("2","4","2","1","6","7","5","1") = "6"
    & skf21("2","4","2","1","6","7","6","1") = "6"
    & skf21("2","4","2","1","6","7","7","1") = "6"
    & skf21("2","4","2","1","7","1","1","1") = "6"
    & skf21("2","4","2","1","7","1","2","1") = "6"
    & skf21("2","4","2","1","7","1","3","1") = "6"
    & skf21("2","4","2","1","7","1","4","1") = "6"
    & skf21("2","4","2","1","7","1","5","1") = "6"
    & skf21("2","4","2","1","7","1","6","1") = "6"
    & skf21("2","4","2","1","7","1","7","1") = "6"
    & skf21("2","4","2","1","7","2","1","1") = "6"
    & skf21("2","4","2","1","7","2","2","1") = "6"
    & skf21("2","4","2","1","7","2","3","1") = "6"
    & skf21("2","4","2","1","7","2","4","1") = "6"
    & skf21("2","4","2","1","7","2","5","1") = "6"
    & skf21("2","4","2","1","7","2","6","1") = "6"
    & skf21("2","4","2","1","7","2","7","1") = "6"
    & skf21("2","4","2","1","7","3","1","1") = "6"
    & skf21("2","4","2","1","7","3","2","1") = "6"
    & skf21("2","4","2","1","7","3","3","1") = "6"
    & skf21("2","4","2","1","7","3","4","1") = "6"
    & skf21("2","4","2","1","7","3","5","1") = "6"
    & skf21("2","4","2","1","7","3","6","1") = "6"
    & skf21("2","4","2","1","7","3","7","1") = "6"
    & skf21("2","4","2","1","7","4","1","1") = "6"
    & skf21("2","4","2","1","7","4","2","1") = "6"
    & skf21("2","4","2","1","7","4","3","1") = "6"
    & skf21("2","4","2","1","7","4","4","1") = "6"
    & skf21("2","4","2","1","7","4","5","1") = "6"
    & skf21("2","4","2","1","7","4","6","1") = "6"
    & skf21("2","4","2","1","7","4","7","1") = "6"
    & skf21("2","4","2","1","7","5","1","1") = "6"
    & skf21("2","4","2","1","7","5","2","1") = "6"
    & skf21("2","4","2","1","7","5","3","1") = "6"
    & skf21("2","4","2","1","7","5","4","1") = "6"
    & skf21("2","4","2","1","7","5","5","1") = "6"
    & skf21("2","4","2","1","7","5","6","1") = "6"
    & skf21("2","4","2","1","7","5","7","1") = "6"
    & skf21("2","4","2","1","7","6","1","1") = "6"
    & skf21("2","4","2","1","7","6","2","1") = "6"
    & skf21("2","4","2","1","7","6","3","1") = "6"
    & skf21("2","4","2","1","7","6","4","1") = "6"
    & skf21("2","4","2","1","7","6","5","1") = "6"
    & skf21("2","4","2","1","7","6","6","1") = "6"
    & skf21("2","4","2","1","7","6","7","1") = "6"
    & skf21("2","4","2","1","7","7","1","1") = "6"
    & skf21("2","4","2","1","7","7","2","1") = "6"
    & skf21("2","4","2","1","7","7","3","1") = "6"
    & skf21("2","4","2","1","7","7","4","1") = "6"
    & skf21("2","4","2","1","7","7","5","1") = "6"
    & skf21("2","4","2","1","7","7","6","1") = "6"
    & skf21("2","4","2","1","7","7","7","1") = "6"
    & skf21("2","4","2","2","1","1","1","1") = "3"
    & skf21("2","4","2","2","1","1","2","1") = "3"
    & skf21("2","4","2","2","1","1","3","1") = "3"
    & skf21("2","4","2","2","1","1","4","1") = "3"
    & skf21("2","4","2","2","1","1","5","1") = "4"
    & skf21("2","4","2","2","1","1","6","1") = "5"
    & skf21("2","4","2","2","1","1","7","1") = "6"
    & skf21("2","4","2","2","1","2","1","1") = "3"
    & skf21("2","4","2","2","1","2","2","1") = "3"
    & skf21("2","4","2","2","1","2","3","1") = "3"
    & skf21("2","4","2","2","1","2","4","1") = "3"
    & skf21("2","4","2","2","1","2","5","1") = "4"
    & skf21("2","4","2","2","1","2","6","1") = "5"
    & skf21("2","4","2","2","1","2","7","1") = "6"
    & skf21("2","4","2","2","1","3","1","1") = "3"
    & skf21("2","4","2","2","1","3","2","1") = "3"
    & skf21("2","4","2","2","1","3","3","1") = "3"
    & skf21("2","4","2","2","1","3","4","1") = "3"
    & skf21("2","4","2","2","1","3","5","1") = "4"
    & skf21("2","4","2","2","1","3","6","1") = "5"
    & skf21("2","4","2","2","1","3","7","1") = "6"
    & skf21("2","4","2","2","1","4","1","1") = "3"
    & skf21("2","4","2","2","1","4","2","1") = "3"
    & skf21("2","4","2","2","1","4","3","1") = "3"
    & skf21("2","4","2","2","1","4","4","1") = "3"
    & skf21("2","4","2","2","1","4","5","1") = "4"
    & skf21("2","4","2","2","1","4","6","1") = "5"
    & skf21("2","4","2","2","1","4","7","1") = "6"
    & skf21("2","4","2","2","1","5","1","1") = "4"
    & skf21("2","4","2","2","1","5","2","1") = "4"
    & skf21("2","4","2","2","1","5","3","1") = "4"
    & skf21("2","4","2","2","1","5","4","1") = "4"
    & skf21("2","4","2","2","1","5","5","1") = "4"
    & skf21("2","4","2","2","1","5","6","1") = "5"
    & skf21("2","4","2","2","1","5","7","1") = "6"
    & skf21("2","4","2","2","1","6","1","1") = "5"
    & skf21("2","4","2","2","1","6","2","1") = "5"
    & skf21("2","4","2","2","1","6","3","1") = "5"
    & skf21("2","4","2","2","1","6","4","1") = "5"
    & skf21("2","4","2","2","1","6","5","1") = "5"
    & skf21("2","4","2","2","1","6","6","1") = "5"
    & skf21("2","4","2","2","1","6","7","1") = "6"
    & skf21("2","4","2","2","1","7","1","1") = "6"
    & skf21("2","4","2","2","1","7","2","1") = "6"
    & skf21("2","4","2","2","1","7","3","1") = "6"
    & skf21("2","4","2","2","1","7","4","1") = "6"
    & skf21("2","4","2","2","1","7","5","1") = "6"
    & skf21("2","4","2","2","1","7","6","1") = "6"
    & skf21("2","4","2","2","1","7","7","1") = "6"
    & skf21("2","4","2","2","2","1","1","1") = "3"
    & skf21("2","4","2","2","2","1","2","1") = "3"
    & skf21("2","4","2","2","2","1","3","1") = "3"
    & skf21("2","4","2","2","2","1","4","1") = "3"
    & skf21("2","4","2","2","2","1","5","1") = "4"
    & skf21("2","4","2","2","2","1","6","1") = "5"
    & skf21("2","4","2","2","2","1","7","1") = "6"
    & skf21("2","4","2","2","2","2","1","1") = "3"
    & skf21("2","4","2","2","2","2","2","1") = "3"
    & skf21("2","4","2","2","2","2","3","1") = "3"
    & skf21("2","4","2","2","2","2","4","1") = "3"
    & skf21("2","4","2","2","2","2","5","1") = "4"
    & skf21("2","4","2","2","2","2","6","1") = "5"
    & skf21("2","4","2","2","2","2","7","1") = "6"
    & skf21("2","4","2","2","2","3","1","1") = "3"
    & skf21("2","4","2","2","2","3","2","1") = "3"
    & skf21("2","4","2","2","2","3","3","1") = "3"
    & skf21("2","4","2","2","2","3","4","1") = "3"
    & skf21("2","4","2","2","2","3","5","1") = "4"
    & skf21("2","4","2","2","2","3","6","1") = "5"
    & skf21("2","4","2","2","2","3","7","1") = "6"
    & skf21("2","4","2","2","2","4","1","1") = "3"
    & skf21("2","4","2","2","2","4","2","1") = "3"
    & skf21("2","4","2","2","2","4","3","1") = "3"
    & skf21("2","4","2","2","2","4","4","1") = "3"
    & skf21("2","4","2","2","2","4","5","1") = "4"
    & skf21("2","4","2","2","2","4","6","1") = "5"
    & skf21("2","4","2","2","2","4","7","1") = "6"
    & skf21("2","4","2","2","2","5","1","1") = "4"
    & skf21("2","4","2","2","2","5","2","1") = "4"
    & skf21("2","4","2","2","2","5","3","1") = "4"
    & skf21("2","4","2","2","2","5","4","1") = "4"
    & skf21("2","4","2","2","2","5","5","1") = "4"
    & skf21("2","4","2","2","2","5","6","1") = "5"
    & skf21("2","4","2","2","2","5","7","1") = "6"
    & skf21("2","4","2","2","2","6","1","1") = "5"
    & skf21("2","4","2","2","2","6","2","1") = "5"
    & skf21("2","4","2","2","2","6","3","1") = "5"
    & skf21("2","4","2","2","2","6","4","1") = "5"
    & skf21("2","4","2","2","2","6","5","1") = "5"
    & skf21("2","4","2","2","2","6","6","1") = "5"
    & skf21("2","4","2","2","2","6","7","1") = "6"
    & skf21("2","4","2","2","2","7","1","1") = "6"
    & skf21("2","4","2","2","2","7","2","1") = "6"
    & skf21("2","4","2","2","2","7","3","1") = "6"
    & skf21("2","4","2","2","2","7","4","1") = "6"
    & skf21("2","4","2","2","2","7","5","1") = "6"
    & skf21("2","4","2","2","2","7","6","1") = "6"
    & skf21("2","4","2","2","2","7","7","1") = "6"
    & skf21("2","4","2","2","3","1","1","1") = "3"
    & skf21("2","4","2","2","3","1","2","1") = "3"
    & skf21("2","4","2","2","3","1","3","1") = "3"
    & skf21("2","4","2","2","3","1","4","1") = "3"
    & skf21("2","4","2","2","3","1","5","1") = "4"
    & skf21("2","4","2","2","3","1","6","1") = "5"
    & skf21("2","4","2","2","3","1","7","1") = "6"
    & skf21("2","4","2","2","3","2","1","1") = "3"
    & skf21("2","4","2","2","3","2","2","1") = "3"
    & skf21("2","4","2","2","3","2","3","1") = "3"
    & skf21("2","4","2","2","3","2","4","1") = "3"
    & skf21("2","4","2","2","3","2","5","1") = "4"
    & skf21("2","4","2","2","3","2","6","1") = "5"
    & skf21("2","4","2","2","3","2","7","1") = "6"
    & skf21("2","4","2","2","3","3","1","1") = "3"
    & skf21("2","4","2","2","3","3","2","1") = "3"
    & skf21("2","4","2","2","3","3","3","1") = "3"
    & skf21("2","4","2","2","3","3","4","1") = "3"
    & skf21("2","4","2","2","3","3","5","1") = "4"
    & skf21("2","4","2","2","3","3","6","1") = "5"
    & skf21("2","4","2","2","3","3","7","1") = "6"
    & skf21("2","4","2","2","3","4","1","1") = "3"
    & skf21("2","4","2","2","3","4","2","1") = "3"
    & skf21("2","4","2","2","3","4","3","1") = "3"
    & skf21("2","4","2","2","3","4","4","1") = "3"
    & skf21("2","4","2","2","3","4","5","1") = "4"
    & skf21("2","4","2","2","3","4","6","1") = "5"
    & skf21("2","4","2","2","3","4","7","1") = "6"
    & skf21("2","4","2","2","3","5","1","1") = "4"
    & skf21("2","4","2","2","3","5","2","1") = "4"
    & skf21("2","4","2","2","3","5","3","1") = "4"
    & skf21("2","4","2","2","3","5","4","1") = "4"
    & skf21("2","4","2","2","3","5","5","1") = "4"
    & skf21("2","4","2","2","3","5","6","1") = "5"
    & skf21("2","4","2","2","3","5","7","1") = "6"
    & skf21("2","4","2","2","3","6","1","1") = "5"
    & skf21("2","4","2","2","3","6","2","1") = "5"
    & skf21("2","4","2","2","3","6","3","1") = "5"
    & skf21("2","4","2","2","3","6","4","1") = "5"
    & skf21("2","4","2","2","3","6","5","1") = "5"
    & skf21("2","4","2","2","3","6","6","1") = "5"
    & skf21("2","4","2","2","3","6","7","1") = "6"
    & skf21("2","4","2","2","3","7","1","1") = "6"
    & skf21("2","4","2","2","3","7","2","1") = "6"
    & skf21("2","4","2","2","3","7","3","1") = "6"
    & skf21("2","4","2","2","3","7","4","1") = "6"
    & skf21("2","4","2","2","3","7","5","1") = "6"
    & skf21("2","4","2","2","3","7","6","1") = "6"
    & skf21("2","4","2","2","3","7","7","1") = "6"
    & skf21("2","4","2","2","4","1","1","1") = "3"
    & skf21("2","4","2","2","4","1","2","1") = "3"
    & skf21("2","4","2","2","4","1","3","1") = "3"
    & skf21("2","4","2","2","4","1","4","1") = "3"
    & skf21("2","4","2","2","4","1","5","1") = "4"
    & skf21("2","4","2","2","4","1","6","1") = "5"
    & skf21("2","4","2","2","4","1","7","1") = "6"
    & skf21("2","4","2","2","4","2","1","1") = "3"
    & skf21("2","4","2","2","4","2","2","1") = "3"
    & skf21("2","4","2","2","4","2","3","1") = "3"
    & skf21("2","4","2","2","4","2","4","1") = "3"
    & skf21("2","4","2","2","4","2","5","1") = "4"
    & skf21("2","4","2","2","4","2","6","1") = "5"
    & skf21("2","4","2","2","4","2","7","1") = "6"
    & skf21("2","4","2","2","4","3","1","1") = "3"
    & skf21("2","4","2","2","4","3","2","1") = "3"
    & skf21("2","4","2","2","4","3","3","1") = "3"
    & skf21("2","4","2","2","4","3","4","1") = "3"
    & skf21("2","4","2","2","4","3","5","1") = "4"
    & skf21("2","4","2","2","4","3","6","1") = "5"
    & skf21("2","4","2","2","4","3","7","1") = "6"
    & skf21("2","4","2","2","4","4","1","1") = "3"
    & skf21("2","4","2","2","4","4","2","1") = "3"
    & skf21("2","4","2","2","4","4","3","1") = "3"
    & skf21("2","4","2","2","4","4","4","1") = "3"
    & skf21("2","4","2","2","4","4","5","1") = "4"
    & skf21("2","4","2","2","4","4","6","1") = "5"
    & skf21("2","4","2","2","4","4","7","1") = "6"
    & skf21("2","4","2","2","4","5","1","1") = "4"
    & skf21("2","4","2","2","4","5","2","1") = "4"
    & skf21("2","4","2","2","4","5","3","1") = "4"
    & skf21("2","4","2","2","4","5","4","1") = "4"
    & skf21("2","4","2","2","4","5","5","1") = "4"
    & skf21("2","4","2","2","4","5","6","1") = "5"
    & skf21("2","4","2","2","4","5","7","1") = "6"
    & skf21("2","4","2","2","4","6","1","1") = "5"
    & skf21("2","4","2","2","4","6","2","1") = "5"
    & skf21("2","4","2","2","4","6","3","1") = "5"
    & skf21("2","4","2","2","4","6","4","1") = "5"
    & skf21("2","4","2","2","4","6","5","1") = "5"
    & skf21("2","4","2","2","4","6","6","1") = "5"
    & skf21("2","4","2","2","4","6","7","1") = "6"
    & skf21("2","4","2","2","4","7","1","1") = "6"
    & skf21("2","4","2","2","4","7","2","1") = "6"
    & skf21("2","4","2","2","4","7","3","1") = "6"
    & skf21("2","4","2","2","4","7","4","1") = "6"
    & skf21("2","4","2","2","4","7","5","1") = "6"
    & skf21("2","4","2","2","4","7","6","1") = "6"
    & skf21("2","4","2","2","4","7","7","1") = "6"
    & skf21("2","4","2","2","5","1","1","1") = "4"
    & skf21("2","4","2","2","5","1","2","1") = "4"
    & skf21("2","4","2","2","5","1","3","1") = "4"
    & skf21("2","4","2","2","5","1","4","1") = "4"
    & skf21("2","4","2","2","5","1","5","1") = "4"
    & skf21("2","4","2","2","5","1","6","1") = "5"
    & skf21("2","4","2","2","5","1","7","1") = "6"
    & skf21("2","4","2","2","5","2","1","1") = "4"
    & skf21("2","4","2","2","5","2","2","1") = "4"
    & skf21("2","4","2","2","5","2","3","1") = "4"
    & skf21("2","4","2","2","5","2","4","1") = "4"
    & skf21("2","4","2","2","5","2","5","1") = "4"
    & skf21("2","4","2","2","5","2","6","1") = "5"
    & skf21("2","4","2","2","5","2","7","1") = "6"
    & skf21("2","4","2","2","5","3","1","1") = "4"
    & skf21("2","4","2","2","5","3","2","1") = "4"
    & skf21("2","4","2","2","5","3","3","1") = "4"
    & skf21("2","4","2","2","5","3","4","1") = "4"
    & skf21("2","4","2","2","5","3","5","1") = "4"
    & skf21("2","4","2","2","5","3","6","1") = "5"
    & skf21("2","4","2","2","5","3","7","1") = "6"
    & skf21("2","4","2","2","5","4","1","1") = "4"
    & skf21("2","4","2","2","5","4","2","1") = "4"
    & skf21("2","4","2","2","5","4","3","1") = "4"
    & skf21("2","4","2","2","5","4","4","1") = "4"
    & skf21("2","4","2","2","5","4","5","1") = "4"
    & skf21("2","4","2","2","5","4","6","1") = "5"
    & skf21("2","4","2","2","5","4","7","1") = "6"
    & skf21("2","4","2","2","5","5","1","1") = "4"
    & skf21("2","4","2","2","5","5","2","1") = "4"
    & skf21("2","4","2","2","5","5","3","1") = "4"
    & skf21("2","4","2","2","5","5","4","1") = "4"
    & skf21("2","4","2","2","5","5","5","1") = "4"
    & skf21("2","4","2","2","5","5","6","1") = "5"
    & skf21("2","4","2","2","5","5","7","1") = "6"
    & skf21("2","4","2","2","5","6","1","1") = "5"
    & skf21("2","4","2","2","5","6","2","1") = "5"
    & skf21("2","4","2","2","5","6","3","1") = "5"
    & skf21("2","4","2","2","5","6","4","1") = "5"
    & skf21("2","4","2","2","5","6","5","1") = "5"
    & skf21("2","4","2","2","5","6","6","1") = "5"
    & skf21("2","4","2","2","5","6","7","1") = "6"
    & skf21("2","4","2","2","5","7","1","1") = "6"
    & skf21("2","4","2","2","5","7","2","1") = "6"
    & skf21("2","4","2","2","5","7","3","1") = "6"
    & skf21("2","4","2","2","5","7","4","1") = "6"
    & skf21("2","4","2","2","5","7","5","1") = "6"
    & skf21("2","4","2","2","5","7","6","1") = "6"
    & skf21("2","4","2","2","5","7","7","1") = "6"
    & skf21("2","4","2","2","6","1","1","1") = "5"
    & skf21("2","4","2","2","6","1","2","1") = "5"
    & skf21("2","4","2","2","6","1","3","1") = "5"
    & skf21("2","4","2","2","6","1","4","1") = "5"
    & skf21("2","4","2","2","6","1","5","1") = "5"
    & skf21("2","4","2","2","6","1","6","1") = "5"
    & skf21("2","4","2","2","6","1","7","1") = "6"
    & skf21("2","4","2","2","6","2","1","1") = "5"
    & skf21("2","4","2","2","6","2","2","1") = "5"
    & skf21("2","4","2","2","6","2","3","1") = "5"
    & skf21("2","4","2","2","6","2","4","1") = "5"
    & skf21("2","4","2","2","6","2","5","1") = "5"
    & skf21("2","4","2","2","6","2","6","1") = "5"
    & skf21("2","4","2","2","6","2","7","1") = "6"
    & skf21("2","4","2","2","6","3","1","1") = "5"
    & skf21("2","4","2","2","6","3","2","1") = "5"
    & skf21("2","4","2","2","6","3","3","1") = "5"
    & skf21("2","4","2","2","6","3","4","1") = "5"
    & skf21("2","4","2","2","6","3","5","1") = "5"
    & skf21("2","4","2","2","6","3","6","1") = "5"
    & skf21("2","4","2","2","6","3","7","1") = "6"
    & skf21("2","4","2","2","6","4","1","1") = "5"
    & skf21("2","4","2","2","6","4","2","1") = "5"
    & skf21("2","4","2","2","6","4","3","1") = "5"
    & skf21("2","4","2","2","6","4","4","1") = "5"
    & skf21("2","4","2","2","6","4","5","1") = "5"
    & skf21("2","4","2","2","6","4","6","1") = "5"
    & skf21("2","4","2","2","6","4","7","1") = "6"
    & skf21("2","4","2","2","6","5","1","1") = "5"
    & skf21("2","4","2","2","6","5","2","1") = "5"
    & skf21("2","4","2","2","6","5","3","1") = "5"
    & skf21("2","4","2","2","6","5","4","1") = "5"
    & skf21("2","4","2","2","6","5","5","1") = "5"
    & skf21("2","4","2","2","6","5","6","1") = "5"
    & skf21("2","4","2","2","6","5","7","1") = "6"
    & skf21("2","4","2","2","6","6","1","1") = "5"
    & skf21("2","4","2","2","6","6","2","1") = "5"
    & skf21("2","4","2","2","6","6","3","1") = "5"
    & skf21("2","4","2","2","6","6","4","1") = "5"
    & skf21("2","4","2","2","6","6","5","1") = "5"
    & skf21("2","4","2","2","6","6","6","1") = "5"
    & skf21("2","4","2","2","6","6","7","1") = "6"
    & skf21("2","4","2","2","6","7","1","1") = "6"
    & skf21("2","4","2","2","6","7","2","1") = "6"
    & skf21("2","4","2","2","6","7","3","1") = "6"
    & skf21("2","4","2","2","6","7","4","1") = "6"
    & skf21("2","4","2","2","6","7","5","1") = "6"
    & skf21("2","4","2","2","6","7","6","1") = "6"
    & skf21("2","4","2","2","6","7","7","1") = "6"
    & skf21("2","4","2","2","7","1","1","1") = "6"
    & skf21("2","4","2","2","7","1","2","1") = "6"
    & skf21("2","4","2","2","7","1","3","1") = "6"
    & skf21("2","4","2","2","7","1","4","1") = "6"
    & skf21("2","4","2","2","7","1","5","1") = "6"
    & skf21("2","4","2","2","7","1","6","1") = "6"
    & skf21("2","4","2","2","7","1","7","1") = "6"
    & skf21("2","4","2","2","7","2","1","1") = "6"
    & skf21("2","4","2","2","7","2","2","1") = "6"
    & skf21("2","4","2","2","7","2","3","1") = "6"
    & skf21("2","4","2","2","7","2","4","1") = "6"
    & skf21("2","4","2","2","7","2","5","1") = "6"
    & skf21("2","4","2","2","7","2","6","1") = "6"
    & skf21("2","4","2","2","7","2","7","1") = "6"
    & skf21("2","4","2","2","7","3","1","1") = "6"
    & skf21("2","4","2","2","7","3","2","1") = "6"
    & skf21("2","4","2","2","7","3","3","1") = "6"
    & skf21("2","4","2","2","7","3","4","1") = "6"
    & skf21("2","4","2","2","7","3","5","1") = "6"
    & skf21("2","4","2","2","7","3","6","1") = "6"
    & skf21("2","4","2","2","7","3","7","1") = "6"
    & skf21("2","4","2","2","7","4","1","1") = "6"
    & skf21("2","4","2","2","7","4","2","1") = "6"
    & skf21("2","4","2","2","7","4","3","1") = "6"
    & skf21("2","4","2","2","7","4","4","1") = "6"
    & skf21("2","4","2","2","7","4","5","1") = "6"
    & skf21("2","4","2","2","7","4","6","1") = "6"
    & skf21("2","4","2","2","7","4","7","1") = "6"
    & skf21("2","4","2","2","7","5","1","1") = "6"
    & skf21("2","4","2","2","7","5","2","1") = "6"
    & skf21("2","4","2","2","7","5","3","1") = "6"
    & skf21("2","4","2","2","7","5","4","1") = "6"
    & skf21("2","4","2","2","7","5","5","1") = "6"
    & skf21("2","4","2","2","7","5","6","1") = "6"
    & skf21("2","4","2","2","7","5","7","1") = "6"
    & skf21("2","4","2","2","7","6","1","1") = "6"
    & skf21("2","4","2","2","7","6","2","1") = "6"
    & skf21("2","4","2","2","7","6","3","1") = "6"
    & skf21("2","4","2","2","7","6","4","1") = "6"
    & skf21("2","4","2","2","7","6","5","1") = "6"
    & skf21("2","4","2","2","7","6","6","1") = "6"
    & skf21("2","4","2","2","7","6","7","1") = "6"
    & skf21("2","4","2","2","7","7","1","1") = "6"
    & skf21("2","4","2","2","7","7","2","1") = "6"
    & skf21("2","4","2","2","7","7","3","1") = "6"
    & skf21("2","4","2","2","7","7","4","1") = "6"
    & skf21("2","4","2","2","7","7","5","1") = "6"
    & skf21("2","4","2","2","7","7","6","1") = "6"
    & skf21("2","4","2","2","7","7","7","1") = "6"
    & skf21("2","4","2","3","1","1","1","1") = "3"
    & skf21("2","4","2","3","1","1","2","1") = "3"
    & skf21("2","4","2","3","1","1","3","1") = "3"
    & skf21("2","4","2","3","1","1","4","1") = "3"
    & skf21("2","4","2","3","1","1","5","1") = "4"
    & skf21("2","4","2","3","1","1","6","1") = "5"
    & skf21("2","4","2","3","1","1","7","1") = "6"
    & skf21("2","4","2","3","1","2","1","1") = "3"
    & skf21("2","4","2","3","1","2","2","1") = "3"
    & skf21("2","4","2","3","1","2","3","1") = "3"
    & skf21("2","4","2","3","1","2","4","1") = "3"
    & skf21("2","4","2","3","1","2","5","1") = "4"
    & skf21("2","4","2","3","1","2","6","1") = "5"
    & skf21("2","4","2","3","1","2","7","1") = "6"
    & skf21("2","4","2","3","1","3","1","1") = "3"
    & skf21("2","4","2","3","1","3","2","1") = "3"
    & skf21("2","4","2","3","1","3","3","1") = "3"
    & skf21("2","4","2","3","1","3","4","1") = "3"
    & skf21("2","4","2","3","1","3","5","1") = "4"
    & skf21("2","4","2","3","1","3","6","1") = "5"
    & skf21("2","4","2","3","1","3","7","1") = "6"
    & skf21("2","4","2","3","1","4","1","1") = "3"
    & skf21("2","4","2","3","1","4","2","1") = "3"
    & skf21("2","4","2","3","1","4","3","1") = "3"
    & skf21("2","4","2","3","1","4","4","1") = "3"
    & skf21("2","4","2","3","1","4","5","1") = "4"
    & skf21("2","4","2","3","1","4","6","1") = "5"
    & skf21("2","4","2","3","1","4","7","1") = "6"
    & skf21("2","4","2","3","1","5","1","1") = "4"
    & skf21("2","4","2","3","1","5","2","1") = "4"
    & skf21("2","4","2","3","1","5","3","1") = "4"
    & skf21("2","4","2","3","1","5","4","1") = "4"
    & skf21("2","4","2","3","1","5","5","1") = "4"
    & skf21("2","4","2","3","1","5","6","1") = "5"
    & skf21("2","4","2","3","1","5","7","1") = "6"
    & skf21("2","4","2","3","1","6","1","1") = "5"
    & skf21("2","4","2","3","1","6","2","1") = "5"
    & skf21("2","4","2","3","1","6","3","1") = "5"
    & skf21("2","4","2","3","1","6","4","1") = "5"
    & skf21("2","4","2","3","1","6","5","1") = "5"
    & skf21("2","4","2","3","1","6","6","1") = "5"
    & skf21("2","4","2","3","1","6","7","1") = "6"
    & skf21("2","4","2","3","1","7","1","1") = "6"
    & skf21("2","4","2","3","1","7","2","1") = "6"
    & skf21("2","4","2","3","1","7","3","1") = "6"
    & skf21("2","4","2","3","1","7","4","1") = "6"
    & skf21("2","4","2","3","1","7","5","1") = "6"
    & skf21("2","4","2","3","1","7","6","1") = "6"
    & skf21("2","4","2","3","1","7","7","1") = "6"
    & skf21("2","4","2","3","2","1","1","1") = "3"
    & skf21("2","4","2","3","2","1","2","1") = "3"
    & skf21("2","4","2","3","2","1","3","1") = "3"
    & skf21("2","4","2","3","2","1","4","1") = "3"
    & skf21("2","4","2","3","2","1","5","1") = "4"
    & skf21("2","4","2","3","2","1","6","1") = "5"
    & skf21("2","4","2","3","2","1","7","1") = "6"
    & skf21("2","4","2","3","2","2","1","1") = "3"
    & skf21("2","4","2","3","2","2","2","1") = "3"
    & skf21("2","4","2","3","2","2","3","1") = "3"
    & skf21("2","4","2","3","2","2","4","1") = "3"
    & skf21("2","4","2","3","2","2","5","1") = "4"
    & skf21("2","4","2","3","2","2","6","1") = "5"
    & skf21("2","4","2","3","2","2","7","1") = "6"
    & skf21("2","4","2","3","2","3","1","1") = "3"
    & skf21("2","4","2","3","2","3","2","1") = "3"
    & skf21("2","4","2","3","2","3","3","1") = "3"
    & skf21("2","4","2","3","2","3","4","1") = "3"
    & skf21("2","4","2","3","2","3","5","1") = "4"
    & skf21("2","4","2","3","2","3","6","1") = "5"
    & skf21("2","4","2","3","2","3","7","1") = "6"
    & skf21("2","4","2","3","2","4","1","1") = "3"
    & skf21("2","4","2","3","2","4","2","1") = "3"
    & skf21("2","4","2","3","2","4","3","1") = "3"
    & skf21("2","4","2","3","2","4","4","1") = "3"
    & skf21("2","4","2","3","2","4","5","1") = "4"
    & skf21("2","4","2","3","2","4","6","1") = "5"
    & skf21("2","4","2","3","2","4","7","1") = "6"
    & skf21("2","4","2","3","2","5","1","1") = "4"
    & skf21("2","4","2","3","2","5","2","1") = "4"
    & skf21("2","4","2","3","2","5","3","1") = "4"
    & skf21("2","4","2","3","2","5","4","1") = "4"
    & skf21("2","4","2","3","2","5","5","1") = "4"
    & skf21("2","4","2","3","2","5","6","1") = "5"
    & skf21("2","4","2","3","2","5","7","1") = "6"
    & skf21("2","4","2","3","2","6","1","1") = "5"
    & skf21("2","4","2","3","2","6","2","1") = "5"
    & skf21("2","4","2","3","2","6","3","1") = "5"
    & skf21("2","4","2","3","2","6","4","1") = "5"
    & skf21("2","4","2","3","2","6","5","1") = "5"
    & skf21("2","4","2","3","2","6","6","1") = "5"
    & skf21("2","4","2","3","2","6","7","1") = "6"
    & skf21("2","4","2","3","2","7","1","1") = "6"
    & skf21("2","4","2","3","2","7","2","1") = "6"
    & skf21("2","4","2","3","2","7","3","1") = "6"
    & skf21("2","4","2","3","2","7","4","1") = "6"
    & skf21("2","4","2","3","2","7","5","1") = "6"
    & skf21("2","4","2","3","2","7","6","1") = "6"
    & skf21("2","4","2","3","2","7","7","1") = "6"
    & skf21("2","4","2","3","3","1","1","1") = "3"
    & skf21("2","4","2","3","3","1","2","1") = "3"
    & skf21("2","4","2","3","3","1","3","1") = "3"
    & skf21("2","4","2","3","3","1","4","1") = "3"
    & skf21("2","4","2","3","3","1","5","1") = "4"
    & skf21("2","4","2","3","3","1","6","1") = "5"
    & skf21("2","4","2","3","3","1","7","1") = "6"
    & skf21("2","4","2","3","3","2","1","1") = "3"
    & skf21("2","4","2","3","3","2","2","1") = "3"
    & skf21("2","4","2","3","3","2","3","1") = "3"
    & skf21("2","4","2","3","3","2","4","1") = "3"
    & skf21("2","4","2","3","3","2","5","1") = "4"
    & skf21("2","4","2","3","3","2","6","1") = "5"
    & skf21("2","4","2","3","3","2","7","1") = "6"
    & skf21("2","4","2","3","3","3","1","1") = "3"
    & skf21("2","4","2","3","3","3","2","1") = "3"
    & skf21("2","4","2","3","3","3","3","1") = "3"
    & skf21("2","4","2","3","3","3","4","1") = "3"
    & skf21("2","4","2","3","3","3","5","1") = "4"
    & skf21("2","4","2","3","3","3","6","1") = "5"
    & skf21("2","4","2","3","3","3","7","1") = "6"
    & skf21("2","4","2","3","3","4","1","1") = "3"
    & skf21("2","4","2","3","3","4","2","1") = "3"
    & skf21("2","4","2","3","3","4","3","1") = "3"
    & skf21("2","4","2","3","3","4","4","1") = "3"
    & skf21("2","4","2","3","3","4","5","1") = "4"
    & skf21("2","4","2","3","3","4","6","1") = "5"
    & skf21("2","4","2","3","3","4","7","1") = "6"
    & skf21("2","4","2","3","3","5","1","1") = "4"
    & skf21("2","4","2","3","3","5","2","1") = "4"
    & skf21("2","4","2","3","3","5","3","1") = "4"
    & skf21("2","4","2","3","3","5","4","1") = "4"
    & skf21("2","4","2","3","3","5","5","1") = "4"
    & skf21("2","4","2","3","3","5","6","1") = "5"
    & skf21("2","4","2","3","3","5","7","1") = "6"
    & skf21("2","4","2","3","3","6","1","1") = "5"
    & skf21("2","4","2","3","3","6","2","1") = "5"
    & skf21("2","4","2","3","3","6","3","1") = "5"
    & skf21("2","4","2","3","3","6","4","1") = "5"
    & skf21("2","4","2","3","3","6","5","1") = "5"
    & skf21("2","4","2","3","3","6","6","1") = "5"
    & skf21("2","4","2","3","3","6","7","1") = "6"
    & skf21("2","4","2","3","3","7","1","1") = "6"
    & skf21("2","4","2","3","3","7","2","1") = "6"
    & skf21("2","4","2","3","3","7","3","1") = "6"
    & skf21("2","4","2","3","3","7","4","1") = "6"
    & skf21("2","4","2","3","3","7","5","1") = "6"
    & skf21("2","4","2","3","3","7","6","1") = "6"
    & skf21("2","4","2","3","3","7","7","1") = "6"
    & skf21("2","4","2","3","4","1","1","1") = "3"
    & skf21("2","4","2","3","4","1","2","1") = "3"
    & skf21("2","4","2","3","4","1","3","1") = "3"
    & skf21("2","4","2","3","4","1","4","1") = "3"
    & skf21("2","4","2","3","4","1","5","1") = "4"
    & skf21("2","4","2","3","4","1","6","1") = "5"
    & skf21("2","4","2","3","4","1","7","1") = "6"
    & skf21("2","4","2","3","4","2","1","1") = "3"
    & skf21("2","4","2","3","4","2","2","1") = "3"
    & skf21("2","4","2","3","4","2","3","1") = "3"
    & skf21("2","4","2","3","4","2","4","1") = "3"
    & skf21("2","4","2","3","4","2","5","1") = "4"
    & skf21("2","4","2","3","4","2","6","1") = "5"
    & skf21("2","4","2","3","4","2","7","1") = "6"
    & skf21("2","4","2","3","4","3","1","1") = "3"
    & skf21("2","4","2","3","4","3","2","1") = "3"
    & skf21("2","4","2","3","4","3","3","1") = "3"
    & skf21("2","4","2","3","4","3","4","1") = "3"
    & skf21("2","4","2","3","4","3","5","1") = "4"
    & skf21("2","4","2","3","4","3","6","1") = "5"
    & skf21("2","4","2","3","4","3","7","1") = "6"
    & skf21("2","4","2","3","4","4","1","1") = "3"
    & skf21("2","4","2","3","4","4","2","1") = "3"
    & skf21("2","4","2","3","4","4","3","1") = "3"
    & skf21("2","4","2","3","4","4","4","1") = "3"
    & skf21("2","4","2","3","4","4","5","1") = "4"
    & skf21("2","4","2","3","4","4","6","1") = "5"
    & skf21("2","4","2","3","4","4","7","1") = "6"
    & skf21("2","4","2","3","4","5","1","1") = "4"
    & skf21("2","4","2","3","4","5","2","1") = "4"
    & skf21("2","4","2","3","4","5","3","1") = "4"
    & skf21("2","4","2","3","4","5","4","1") = "4"
    & skf21("2","4","2","3","4","5","5","1") = "4"
    & skf21("2","4","2","3","4","5","6","1") = "5"
    & skf21("2","4","2","3","4","5","7","1") = "6"
    & skf21("2","4","2","3","4","6","1","1") = "5"
    & skf21("2","4","2","3","4","6","2","1") = "5"
    & skf21("2","4","2","3","4","6","3","1") = "5"
    & skf21("2","4","2","3","4","6","4","1") = "5"
    & skf21("2","4","2","3","4","6","5","1") = "5"
    & skf21("2","4","2","3","4","6","6","1") = "5"
    & skf21("2","4","2","3","4","6","7","1") = "6"
    & skf21("2","4","2","3","4","7","1","1") = "6"
    & skf21("2","4","2","3","4","7","2","1") = "6"
    & skf21("2","4","2","3","4","7","3","1") = "6"
    & skf21("2","4","2","3","4","7","4","1") = "6"
    & skf21("2","4","2","3","4","7","5","1") = "6"
    & skf21("2","4","2","3","4","7","6","1") = "6"
    & skf21("2","4","2","3","4","7","7","1") = "6"
    & skf21("2","4","2","3","5","1","1","1") = "4"
    & skf21("2","4","2","3","5","1","2","1") = "4"
    & skf21("2","4","2","3","5","1","3","1") = "4"
    & skf21("2","4","2","3","5","1","4","1") = "4"
    & skf21("2","4","2","3","5","1","5","1") = "4"
    & skf21("2","4","2","3","5","1","6","1") = "5"
    & skf21("2","4","2","3","5","1","7","1") = "6"
    & skf21("2","4","2","3","5","2","1","1") = "4"
    & skf21("2","4","2","3","5","2","2","1") = "4"
    & skf21("2","4","2","3","5","2","3","1") = "4"
    & skf21("2","4","2","3","5","2","4","1") = "4"
    & skf21("2","4","2","3","5","2","5","1") = "4"
    & skf21("2","4","2","3","5","2","6","1") = "5"
    & skf21("2","4","2","3","5","2","7","1") = "6"
    & skf21("2","4","2","3","5","3","1","1") = "4"
    & skf21("2","4","2","3","5","3","2","1") = "4"
    & skf21("2","4","2","3","5","3","3","1") = "4"
    & skf21("2","4","2","3","5","3","4","1") = "4"
    & skf21("2","4","2","3","5","3","5","1") = "4"
    & skf21("2","4","2","3","5","3","6","1") = "5"
    & skf21("2","4","2","3","5","3","7","1") = "6"
    & skf21("2","4","2","3","5","4","1","1") = "4"
    & skf21("2","4","2","3","5","4","2","1") = "4"
    & skf21("2","4","2","3","5","4","3","1") = "4"
    & skf21("2","4","2","3","5","4","4","1") = "4"
    & skf21("2","4","2","3","5","4","5","1") = "4"
    & skf21("2","4","2","3","5","4","6","1") = "5"
    & skf21("2","4","2","3","5","4","7","1") = "6"
    & skf21("2","4","2","3","5","5","1","1") = "4"
    & skf21("2","4","2","3","5","5","2","1") = "4"
    & skf21("2","4","2","3","5","5","3","1") = "4"
    & skf21("2","4","2","3","5","5","4","1") = "4"
    & skf21("2","4","2","3","5","5","5","1") = "4"
    & skf21("2","4","2","3","5","5","6","1") = "5"
    & skf21("2","4","2","3","5","5","7","1") = "6"
    & skf21("2","4","2","3","5","6","1","1") = "5"
    & skf21("2","4","2","3","5","6","2","1") = "5"
    & skf21("2","4","2","3","5","6","3","1") = "5"
    & skf21("2","4","2","3","5","6","4","1") = "5"
    & skf21("2","4","2","3","5","6","5","1") = "5"
    & skf21("2","4","2","3","5","6","6","1") = "5"
    & skf21("2","4","2","3","5","6","7","1") = "6"
    & skf21("2","4","2","3","5","7","1","1") = "6"
    & skf21("2","4","2","3","5","7","2","1") = "6"
    & skf21("2","4","2","3","5","7","3","1") = "6"
    & skf21("2","4","2","3","5","7","4","1") = "6"
    & skf21("2","4","2","3","5","7","5","1") = "6"
    & skf21("2","4","2","3","5","7","6","1") = "6"
    & skf21("2","4","2","3","5","7","7","1") = "6"
    & skf21("2","4","2","3","6","1","1","1") = "5"
    & skf21("2","4","2","3","6","1","2","1") = "5"
    & skf21("2","4","2","3","6","1","3","1") = "5"
    & skf21("2","4","2","3","6","1","4","1") = "5"
    & skf21("2","4","2","3","6","1","5","1") = "5"
    & skf21("2","4","2","3","6","1","6","1") = "5"
    & skf21("2","4","2","3","6","1","7","1") = "6"
    & skf21("2","4","2","3","6","2","1","1") = "5"
    & skf21("2","4","2","3","6","2","2","1") = "5"
    & skf21("2","4","2","3","6","2","3","1") = "5"
    & skf21("2","4","2","3","6","2","4","1") = "5"
    & skf21("2","4","2","3","6","2","5","1") = "5"
    & skf21("2","4","2","3","6","2","6","1") = "5"
    & skf21("2","4","2","3","6","2","7","1") = "6"
    & skf21("2","4","2","3","6","3","1","1") = "5"
    & skf21("2","4","2","3","6","3","2","1") = "5"
    & skf21("2","4","2","3","6","3","3","1") = "5"
    & skf21("2","4","2","3","6","3","4","1") = "5"
    & skf21("2","4","2","3","6","3","5","1") = "5"
    & skf21("2","4","2","3","6","3","6","1") = "5"
    & skf21("2","4","2","3","6","3","7","1") = "6"
    & skf21("2","4","2","3","6","4","1","1") = "5"
    & skf21("2","4","2","3","6","4","2","1") = "5"
    & skf21("2","4","2","3","6","4","3","1") = "5"
    & skf21("2","4","2","3","6","4","4","1") = "5"
    & skf21("2","4","2","3","6","4","5","1") = "5"
    & skf21("2","4","2","3","6","4","6","1") = "5"
    & skf21("2","4","2","3","6","4","7","1") = "6"
    & skf21("2","4","2","3","6","5","1","1") = "5"
    & skf21("2","4","2","3","6","5","2","1") = "5"
    & skf21("2","4","2","3","6","5","3","1") = "5"
    & skf21("2","4","2","3","6","5","4","1") = "5"
    & skf21("2","4","2","3","6","5","5","1") = "5"
    & skf21("2","4","2","3","6","5","6","1") = "5"
    & skf21("2","4","2","3","6","5","7","1") = "6"
    & skf21("2","4","2","3","6","6","1","1") = "5"
    & skf21("2","4","2","3","6","6","2","1") = "5"
    & skf21("2","4","2","3","6","6","3","1") = "5"
    & skf21("2","4","2","3","6","6","4","1") = "5"
    & skf21("2","4","2","3","6","6","5","1") = "5"
    & skf21("2","4","2","3","6","6","6","1") = "5"
    & skf21("2","4","2","3","6","6","7","1") = "6"
    & skf21("2","4","2","3","6","7","1","1") = "6"
    & skf21("2","4","2","3","6","7","2","1") = "6"
    & skf21("2","4","2","3","6","7","3","1") = "6"
    & skf21("2","4","2","3","6","7","4","1") = "6"
    & skf21("2","4","2","3","6","7","5","1") = "6"
    & skf21("2","4","2","3","6","7","6","1") = "6"
    & skf21("2","4","2","3","6","7","7","1") = "6"
    & skf21("2","4","2","3","7","1","1","1") = "6"
    & skf21("2","4","2","3","7","1","2","1") = "6"
    & skf21("2","4","2","3","7","1","3","1") = "6"
    & skf21("2","4","2","3","7","1","4","1") = "6"
    & skf21("2","4","2","3","7","1","5","1") = "6"
    & skf21("2","4","2","3","7","1","6","1") = "6"
    & skf21("2","4","2","3","7","1","7","1") = "6"
    & skf21("2","4","2","3","7","2","1","1") = "6"
    & skf21("2","4","2","3","7","2","2","1") = "6"
    & skf21("2","4","2","3","7","2","3","1") = "6"
    & skf21("2","4","2","3","7","2","4","1") = "6"
    & skf21("2","4","2","3","7","2","5","1") = "6"
    & skf21("2","4","2","3","7","2","6","1") = "6"
    & skf21("2","4","2","3","7","2","7","1") = "6"
    & skf21("2","4","2","3","7","3","1","1") = "6"
    & skf21("2","4","2","3","7","3","2","1") = "6"
    & skf21("2","4","2","3","7","3","3","1") = "6"
    & skf21("2","4","2","3","7","3","4","1") = "6"
    & skf21("2","4","2","3","7","3","5","1") = "6"
    & skf21("2","4","2","3","7","3","6","1") = "6"
    & skf21("2","4","2","3","7","3","7","1") = "6"
    & skf21("2","4","2","3","7","4","1","1") = "6"
    & skf21("2","4","2","3","7","4","2","1") = "6"
    & skf21("2","4","2","3","7","4","3","1") = "6"
    & skf21("2","4","2","3","7","4","4","1") = "6"
    & skf21("2","4","2","3","7","4","5","1") = "6"
    & skf21("2","4","2","3","7","4","6","1") = "6"
    & skf21("2","4","2","3","7","4","7","1") = "6"
    & skf21("2","4","2","3","7","5","1","1") = "6"
    & skf21("2","4","2","3","7","5","2","1") = "6"
    & skf21("2","4","2","3","7","5","3","1") = "6"
    & skf21("2","4","2","3","7","5","4","1") = "6"
    & skf21("2","4","2","3","7","5","5","1") = "6"
    & skf21("2","4","2","3","7","5","6","1") = "6"
    & skf21("2","4","2","3","7","5","7","1") = "6"
    & skf21("2","4","2","3","7","6","1","1") = "6"
    & skf21("2","4","2","3","7","6","2","1") = "6"
    & skf21("2","4","2","3","7","6","3","1") = "6"
    & skf21("2","4","2","3","7","6","4","1") = "6"
    & skf21("2","4","2","3","7","6","5","1") = "6"
    & skf21("2","4","2","3","7","6","6","1") = "6"
    & skf21("2","4","2","3","7","6","7","1") = "6"
    & skf21("2","4","2","3","7","7","1","1") = "6"
    & skf21("2","4","2","3","7","7","2","1") = "6"
    & skf21("2","4","2","3","7","7","3","1") = "6"
    & skf21("2","4","2","3","7","7","4","1") = "6"
    & skf21("2","4","2","3","7","7","5","1") = "6"
    & skf21("2","4","2","3","7","7","6","1") = "6"
    & skf21("2","4","2","3","7","7","7","1") = "6"
    & skf21("2","4","2","4","1","1","1","1") = "3"
    & skf21("2","4","2","4","1","1","2","1") = "3"
    & skf21("2","4","2","4","1","1","3","1") = "3"
    & skf21("2","4","2","4","1","1","4","1") = "3"
    & skf21("2","4","2","4","1","1","5","1") = "4"
    & skf21("2","4","2","4","1","1","6","1") = "5"
    & skf21("2","4","2","4","1","1","7","1") = "6"
    & skf21("2","4","2","4","1","2","1","1") = "3"
    & skf21("2","4","2","4","1","2","2","1") = "3"
    & skf21("2","4","2","4","1","2","3","1") = "3"
    & skf21("2","4","2","4","1","2","4","1") = "3"
    & skf21("2","4","2","4","1","2","5","1") = "4"
    & skf21("2","4","2","4","1","2","6","1") = "5"
    & skf21("2","4","2","4","1","2","7","1") = "6"
    & skf21("2","4","2","4","1","3","1","1") = "3"
    & skf21("2","4","2","4","1","3","2","1") = "3"
    & skf21("2","4","2","4","1","3","3","1") = "3"
    & skf21("2","4","2","4","1","3","4","1") = "3"
    & skf21("2","4","2","4","1","3","5","1") = "4"
    & skf21("2","4","2","4","1","3","6","1") = "5"
    & skf21("2","4","2","4","1","3","7","1") = "6"
    & skf21("2","4","2","4","1","4","1","1") = "3"
    & skf21("2","4","2","4","1","4","2","1") = "3"
    & skf21("2","4","2","4","1","4","3","1") = "3"
    & skf21("2","4","2","4","1","4","4","1") = "3"
    & skf21("2","4","2","4","1","4","5","1") = "4"
    & skf21("2","4","2","4","1","4","6","1") = "5"
    & skf21("2","4","2","4","1","4","7","1") = "6"
    & skf21("2","4","2","4","1","5","1","1") = "4"
    & skf21("2","4","2","4","1","5","2","1") = "4"
    & skf21("2","4","2","4","1","5","3","1") = "4"
    & skf21("2","4","2","4","1","5","4","1") = "4"
    & skf21("2","4","2","4","1","5","5","1") = "4"
    & skf21("2","4","2","4","1","5","6","1") = "5"
    & skf21("2","4","2","4","1","5","7","1") = "6"
    & skf21("2","4","2","4","1","6","1","1") = "5"
    & skf21("2","4","2","4","1","6","2","1") = "5"
    & skf21("2","4","2","4","1","6","3","1") = "5"
    & skf21("2","4","2","4","1","6","4","1") = "5"
    & skf21("2","4","2","4","1","6","5","1") = "5"
    & skf21("2","4","2","4","1","6","6","1") = "5"
    & skf21("2","4","2","4","1","6","7","1") = "6"
    & skf21("2","4","2","4","1","7","1","1") = "6"
    & skf21("2","4","2","4","1","7","2","1") = "6"
    & skf21("2","4","2","4","1","7","3","1") = "6"
    & skf21("2","4","2","4","1","7","4","1") = "6"
    & skf21("2","4","2","4","1","7","5","1") = "6"
    & skf21("2","4","2","4","1","7","6","1") = "6"
    & skf21("2","4","2","4","1","7","7","1") = "6"
    & skf21("2","4","2","4","2","1","1","1") = "3"
    & skf21("2","4","2","4","2","1","2","1") = "3"
    & skf21("2","4","2","4","2","1","3","1") = "3"
    & skf21("2","4","2","4","2","1","4","1") = "3"
    & skf21("2","4","2","4","2","1","5","1") = "4"
    & skf21("2","4","2","4","2","1","6","1") = "5"
    & skf21("2","4","2","4","2","1","7","1") = "6"
    & skf21("2","4","2","4","2","2","1","1") = "3"
    & skf21("2","4","2","4","2","2","2","1") = "3"
    & skf21("2","4","2","4","2","2","3","1") = "3"
    & skf21("2","4","2","4","2","2","4","1") = "3"
    & skf21("2","4","2","4","2","2","5","1") = "4"
    & skf21("2","4","2","4","2","2","6","1") = "5"
    & skf21("2","4","2","4","2","2","7","1") = "6"
    & skf21("2","4","2","4","2","3","1","1") = "3"
    & skf21("2","4","2","4","2","3","2","1") = "3"
    & skf21("2","4","2","4","2","3","3","1") = "3"
    & skf21("2","4","2","4","2","3","4","1") = "3"
    & skf21("2","4","2","4","2","3","5","1") = "4"
    & skf21("2","4","2","4","2","3","6","1") = "5"
    & skf21("2","4","2","4","2","3","7","1") = "6"
    & skf21("2","4","2","4","2","4","1","1") = "3"
    & skf21("2","4","2","4","2","4","2","1") = "3"
    & skf21("2","4","2","4","2","4","3","1") = "3"
    & skf21("2","4","2","4","2","4","4","1") = "3"
    & skf21("2","4","2","4","2","4","5","1") = "4"
    & skf21("2","4","2","4","2","4","6","1") = "5"
    & skf21("2","4","2","4","2","4","7","1") = "6"
    & skf21("2","4","2","4","2","5","1","1") = "4"
    & skf21("2","4","2","4","2","5","2","1") = "4"
    & skf21("2","4","2","4","2","5","3","1") = "4"
    & skf21("2","4","2","4","2","5","4","1") = "4"
    & skf21("2","4","2","4","2","5","5","1") = "4"
    & skf21("2","4","2","4","2","5","6","1") = "5"
    & skf21("2","4","2","4","2","5","7","1") = "6"
    & skf21("2","4","2","4","2","6","1","1") = "5"
    & skf21("2","4","2","4","2","6","2","1") = "5"
    & skf21("2","4","2","4","2","6","3","1") = "5"
    & skf21("2","4","2","4","2","6","4","1") = "5"
    & skf21("2","4","2","4","2","6","5","1") = "5"
    & skf21("2","4","2","4","2","6","6","1") = "5"
    & skf21("2","4","2","4","2","6","7","1") = "6"
    & skf21("2","4","2","4","2","7","1","1") = "6"
    & skf21("2","4","2","4","2","7","2","1") = "6"
    & skf21("2","4","2","4","2","7","3","1") = "6"
    & skf21("2","4","2","4","2","7","4","1") = "6"
    & skf21("2","4","2","4","2","7","5","1") = "6"
    & skf21("2","4","2","4","2","7","6","1") = "6"
    & skf21("2","4","2","4","2","7","7","1") = "6"
    & skf21("2","4","2","4","3","1","1","1") = "3"
    & skf21("2","4","2","4","3","1","2","1") = "3"
    & skf21("2","4","2","4","3","1","3","1") = "3"
    & skf21("2","4","2","4","3","1","4","1") = "3"
    & skf21("2","4","2","4","3","1","5","1") = "4"
    & skf21("2","4","2","4","3","1","6","1") = "5"
    & skf21("2","4","2","4","3","1","7","1") = "6"
    & skf21("2","4","2","4","3","2","1","1") = "3"
    & skf21("2","4","2","4","3","2","2","1") = "3"
    & skf21("2","4","2","4","3","2","3","1") = "3"
    & skf21("2","4","2","4","3","2","4","1") = "3"
    & skf21("2","4","2","4","3","2","5","1") = "4"
    & skf21("2","4","2","4","3","2","6","1") = "5"
    & skf21("2","4","2","4","3","2","7","1") = "6"
    & skf21("2","4","2","4","3","3","1","1") = "3"
    & skf21("2","4","2","4","3","3","2","1") = "3"
    & skf21("2","4","2","4","3","3","3","1") = "3"
    & skf21("2","4","2","4","3","3","4","1") = "3"
    & skf21("2","4","2","4","3","3","5","1") = "4"
    & skf21("2","4","2","4","3","3","6","1") = "5"
    & skf21("2","4","2","4","3","3","7","1") = "6"
    & skf21("2","4","2","4","3","4","1","1") = "3"
    & skf21("2","4","2","4","3","4","2","1") = "3"
    & skf21("2","4","2","4","3","4","3","1") = "3"
    & skf21("2","4","2","4","3","4","4","1") = "3"
    & skf21("2","4","2","4","3","4","5","1") = "4"
    & skf21("2","4","2","4","3","4","6","1") = "5"
    & skf21("2","4","2","4","3","4","7","1") = "6"
    & skf21("2","4","2","4","3","5","1","1") = "4"
    & skf21("2","4","2","4","3","5","2","1") = "4"
    & skf21("2","4","2","4","3","5","3","1") = "4"
    & skf21("2","4","2","4","3","5","4","1") = "4"
    & skf21("2","4","2","4","3","5","5","1") = "4"
    & skf21("2","4","2","4","3","5","6","1") = "5"
    & skf21("2","4","2","4","3","5","7","1") = "6"
    & skf21("2","4","2","4","3","6","1","1") = "5"
    & skf21("2","4","2","4","3","6","2","1") = "5"
    & skf21("2","4","2","4","3","6","3","1") = "5"
    & skf21("2","4","2","4","3","6","4","1") = "5"
    & skf21("2","4","2","4","3","6","5","1") = "5"
    & skf21("2","4","2","4","3","6","6","1") = "5"
    & skf21("2","4","2","4","3","6","7","1") = "6"
    & skf21("2","4","2","4","3","7","1","1") = "6"
    & skf21("2","4","2","4","3","7","2","1") = "6"
    & skf21("2","4","2","4","3","7","3","1") = "6"
    & skf21("2","4","2","4","3","7","4","1") = "6"
    & skf21("2","4","2","4","3","7","5","1") = "6"
    & skf21("2","4","2","4","3","7","6","1") = "6"
    & skf21("2","4","2","4","3","7","7","1") = "6"
    & skf21("2","4","2","4","4","1","1","1") = "3"
    & skf21("2","4","2","4","4","1","2","1") = "3"
    & skf21("2","4","2","4","4","1","3","1") = "3"
    & skf21("2","4","2","4","4","1","4","1") = "3"
    & skf21("2","4","2","4","4","1","5","1") = "4"
    & skf21("2","4","2","4","4","1","6","1") = "5"
    & skf21("2","4","2","4","4","1","7","1") = "6"
    & skf21("2","4","2","4","4","2","1","1") = "3"
    & skf21("2","4","2","4","4","2","2","1") = "3"
    & skf21("2","4","2","4","4","2","3","1") = "3"
    & skf21("2","4","2","4","4","2","4","1") = "3"
    & skf21("2","4","2","4","4","2","5","1") = "4"
    & skf21("2","4","2","4","4","2","6","1") = "5"
    & skf21("2","4","2","4","4","2","7","1") = "6"
    & skf21("2","4","2","4","4","3","1","1") = "3"
    & skf21("2","4","2","4","4","3","2","1") = "3"
    & skf21("2","4","2","4","4","3","3","1") = "3"
    & skf21("2","4","2","4","4","3","4","1") = "3"
    & skf21("2","4","2","4","4","3","5","1") = "4"
    & skf21("2","4","2","4","4","3","6","1") = "5"
    & skf21("2","4","2","4","4","3","7","1") = "6"
    & skf21("2","4","2","4","4","4","1","1") = "3"
    & skf21("2","4","2","4","4","4","2","1") = "3"
    & skf21("2","4","2","4","4","4","3","1") = "3"
    & skf21("2","4","2","4","4","4","4","1") = "3"
    & skf21("2","4","2","4","4","4","5","1") = "4"
    & skf21("2","4","2","4","4","4","6","1") = "5"
    & skf21("2","4","2","4","4","4","7","1") = "6"
    & skf21("2","4","2","4","4","5","1","1") = "4"
    & skf21("2","4","2","4","4","5","2","1") = "4"
    & skf21("2","4","2","4","4","5","3","1") = "4"
    & skf21("2","4","2","4","4","5","4","1") = "4"
    & skf21("2","4","2","4","4","5","5","1") = "4"
    & skf21("2","4","2","4","4","5","6","1") = "5"
    & skf21("2","4","2","4","4","5","7","1") = "6"
    & skf21("2","4","2","4","4","6","1","1") = "5"
    & skf21("2","4","2","4","4","6","2","1") = "5"
    & skf21("2","4","2","4","4","6","3","1") = "5"
    & skf21("2","4","2","4","4","6","4","1") = "5"
    & skf21("2","4","2","4","4","6","5","1") = "5"
    & skf21("2","4","2","4","4","6","6","1") = "5"
    & skf21("2","4","2","4","4","6","7","1") = "6"
    & skf21("2","4","2","4","4","7","1","1") = "6"
    & skf21("2","4","2","4","4","7","2","1") = "6"
    & skf21("2","4","2","4","4","7","3","1") = "6"
    & skf21("2","4","2","4","4","7","4","1") = "6"
    & skf21("2","4","2","4","4","7","5","1") = "6"
    & skf21("2","4","2","4","4","7","6","1") = "6"
    & skf21("2","4","2","4","4","7","7","1") = "6"
    & skf21("2","4","2","4","5","1","1","1") = "4"
    & skf21("2","4","2","4","5","1","2","1") = "4"
    & skf21("2","4","2","4","5","1","3","1") = "4"
    & skf21("2","4","2","4","5","1","4","1") = "4"
    & skf21("2","4","2","4","5","1","5","1") = "4"
    & skf21("2","4","2","4","5","1","6","1") = "5"
    & skf21("2","4","2","4","5","1","7","1") = "6"
    & skf21("2","4","2","4","5","2","1","1") = "4"
    & skf21("2","4","2","4","5","2","2","1") = "4"
    & skf21("2","4","2","4","5","2","3","1") = "4"
    & skf21("2","4","2","4","5","2","4","1") = "4"
    & skf21("2","4","2","4","5","2","5","1") = "4"
    & skf21("2","4","2","4","5","2","6","1") = "5"
    & skf21("2","4","2","4","5","2","7","1") = "6"
    & skf21("2","4","2","4","5","3","1","1") = "4"
    & skf21("2","4","2","4","5","3","2","1") = "4"
    & skf21("2","4","2","4","5","3","3","1") = "4"
    & skf21("2","4","2","4","5","3","4","1") = "4"
    & skf21("2","4","2","4","5","3","5","1") = "4"
    & skf21("2","4","2","4","5","3","6","1") = "5"
    & skf21("2","4","2","4","5","3","7","1") = "6"
    & skf21("2","4","2","4","5","4","1","1") = "4"
    & skf21("2","4","2","4","5","4","2","1") = "4"
    & skf21("2","4","2","4","5","4","3","1") = "4"
    & skf21("2","4","2","4","5","4","4","1") = "4"
    & skf21("2","4","2","4","5","4","5","1") = "4"
    & skf21("2","4","2","4","5","4","6","1") = "5"
    & skf21("2","4","2","4","5","4","7","1") = "6"
    & skf21("2","4","2","4","5","5","1","1") = "4"
    & skf21("2","4","2","4","5","5","2","1") = "4"
    & skf21("2","4","2","4","5","5","3","1") = "4"
    & skf21("2","4","2","4","5","5","4","1") = "4"
    & skf21("2","4","2","4","5","5","5","1") = "4"
    & skf21("2","4","2","4","5","5","6","1") = "5"
    & skf21("2","4","2","4","5","5","7","1") = "6"
    & skf21("2","4","2","4","5","6","1","1") = "5"
    & skf21("2","4","2","4","5","6","2","1") = "5"
    & skf21("2","4","2","4","5","6","3","1") = "5"
    & skf21("2","4","2","4","5","6","4","1") = "5"
    & skf21("2","4","2","4","5","6","5","1") = "5"
    & skf21("2","4","2","4","5","6","6","1") = "5"
    & skf21("2","4","2","4","5","6","7","1") = "6"
    & skf21("2","4","2","4","5","7","1","1") = "6"
    & skf21("2","4","2","4","5","7","2","1") = "6"
    & skf21("2","4","2","4","5","7","3","1") = "6"
    & skf21("2","4","2","4","5","7","4","1") = "6"
    & skf21("2","4","2","4","5","7","5","1") = "6"
    & skf21("2","4","2","4","5","7","6","1") = "6"
    & skf21("2","4","2","4","5","7","7","1") = "6"
    & skf21("2","4","2","4","6","1","1","1") = "5"
    & skf21("2","4","2","4","6","1","2","1") = "5"
    & skf21("2","4","2","4","6","1","3","1") = "5"
    & skf21("2","4","2","4","6","1","4","1") = "5"
    & skf21("2","4","2","4","6","1","5","1") = "5"
    & skf21("2","4","2","4","6","1","6","1") = "5"
    & skf21("2","4","2","4","6","1","7","1") = "6"
    & skf21("2","4","2","4","6","2","1","1") = "5"
    & skf21("2","4","2","4","6","2","2","1") = "5"
    & skf21("2","4","2","4","6","2","3","1") = "5"
    & skf21("2","4","2","4","6","2","4","1") = "5"
    & skf21("2","4","2","4","6","2","5","1") = "5"
    & skf21("2","4","2","4","6","2","6","1") = "5"
    & skf21("2","4","2","4","6","2","7","1") = "6"
    & skf21("2","4","2","4","6","3","1","1") = "5"
    & skf21("2","4","2","4","6","3","2","1") = "5"
    & skf21("2","4","2","4","6","3","3","1") = "5"
    & skf21("2","4","2","4","6","3","4","1") = "5"
    & skf21("2","4","2","4","6","3","5","1") = "5"
    & skf21("2","4","2","4","6","3","6","1") = "5"
    & skf21("2","4","2","4","6","3","7","1") = "6"
    & skf21("2","4","2","4","6","4","1","1") = "5"
    & skf21("2","4","2","4","6","4","2","1") = "5"
    & skf21("2","4","2","4","6","4","3","1") = "5"
    & skf21("2","4","2","4","6","4","4","1") = "5"
    & skf21("2","4","2","4","6","4","5","1") = "5"
    & skf21("2","4","2","4","6","4","6","1") = "5"
    & skf21("2","4","2","4","6","4","7","1") = "6"
    & skf21("2","4","2","4","6","5","1","1") = "5"
    & skf21("2","4","2","4","6","5","2","1") = "5"
    & skf21("2","4","2","4","6","5","3","1") = "5"
    & skf21("2","4","2","4","6","5","4","1") = "5"
    & skf21("2","4","2","4","6","5","5","1") = "5"
    & skf21("2","4","2","4","6","5","6","1") = "5"
    & skf21("2","4","2","4","6","5","7","1") = "6"
    & skf21("2","4","2","4","6","6","1","1") = "5"
    & skf21("2","4","2","4","6","6","2","1") = "5"
    & skf21("2","4","2","4","6","6","3","1") = "5"
    & skf21("2","4","2","4","6","6","4","1") = "5"
    & skf21("2","4","2","4","6","6","5","1") = "5"
    & skf21("2","4","2","4","6","6","6","1") = "5"
    & skf21("2","4","2","4","6","6","7","1") = "6"
    & skf21("2","4","2","4","6","7","1","1") = "6"
    & skf21("2","4","2","4","6","7","2","1") = "6"
    & skf21("2","4","2","4","6","7","3","1") = "6"
    & skf21("2","4","2","4","6","7","4","1") = "6"
    & skf21("2","4","2","4","6","7","5","1") = "6"
    & skf21("2","4","2","4","6","7","6","1") = "6"
    & skf21("2","4","2","4","6","7","7","1") = "6"
    & skf21("2","4","2","4","7","1","1","1") = "6"
    & skf21("2","4","2","4","7","1","2","1") = "6"
    & skf21("2","4","2","4","7","1","3","1") = "6"
    & skf21("2","4","2","4","7","1","4","1") = "6"
    & skf21("2","4","2","4","7","1","5","1") = "6"
    & skf21("2","4","2","4","7","1","6","1") = "6"
    & skf21("2","4","2","4","7","1","7","1") = "6"
    & skf21("2","4","2","4","7","2","1","1") = "6"
    & skf21("2","4","2","4","7","2","2","1") = "6"
    & skf21("2","4","2","4","7","2","3","1") = "6"
    & skf21("2","4","2","4","7","2","4","1") = "6"
    & skf21("2","4","2","4","7","2","5","1") = "6"
    & skf21("2","4","2","4","7","2","6","1") = "6"
    & skf21("2","4","2","4","7","2","7","1") = "6"
    & skf21("2","4","2","4","7","3","1","1") = "6"
    & skf21("2","4","2","4","7","3","2","1") = "6"
    & skf21("2","4","2","4","7","3","3","1") = "6"
    & skf21("2","4","2","4","7","3","4","1") = "6"
    & skf21("2","4","2","4","7","3","5","1") = "6"
    & skf21("2","4","2","4","7","3","6","1") = "6"
    & skf21("2","4","2","4","7","3","7","1") = "6"
    & skf21("2","4","2","4","7","4","1","1") = "6"
    & skf21("2","4","2","4","7","4","2","1") = "6"
    & skf21("2","4","2","4","7","4","3","1") = "6"
    & skf21("2","4","2","4","7","4","4","1") = "6"
    & skf21("2","4","2","4","7","4","5","1") = "6"
    & skf21("2","4","2","4","7","4","6","1") = "6"
    & skf21("2","4","2","4","7","4","7","1") = "6"
    & skf21("2","4","2","4","7","5","1","1") = "6"
    & skf21("2","4","2","4","7","5","2","1") = "6"
    & skf21("2","4","2","4","7","5","3","1") = "6"
    & skf21("2","4","2","4","7","5","4","1") = "6"
    & skf21("2","4","2","4","7","5","5","1") = "6"
    & skf21("2","4","2","4","7","5","6","1") = "6"
    & skf21("2","4","2","4","7","5","7","1") = "6"
    & skf21("2","4","2","4","7","6","1","1") = "6"
    & skf21("2","4","2","4","7","6","2","1") = "6"
    & skf21("2","4","2","4","7","6","3","1") = "6"
    & skf21("2","4","2","4","7","6","4","1") = "6"
    & skf21("2","4","2","4","7","6","5","1") = "6"
    & skf21("2","4","2","4","7","6","6","1") = "6"
    & skf21("2","4","2","4","7","6","7","1") = "6"
    & skf21("2","4","2","4","7","7","1","1") = "6"
    & skf21("2","4","2","4","7","7","2","1") = "6"
    & skf21("2","4","2","4","7","7","3","1") = "6"
    & skf21("2","4","2","4","7","7","4","1") = "6"
    & skf21("2","4","2","4","7","7","5","1") = "6"
    & skf21("2","4","2","4","7","7","6","1") = "6"
    & skf21("2","4","2","4","7","7","7","1") = "6"
    & skf21("2","4","2","5","1","1","1","1") = "4"
    & skf21("2","4","2","5","1","1","2","1") = "4"
    & skf21("2","4","2","5","1","1","3","1") = "4"
    & skf21("2","4","2","5","1","1","4","1") = "4"
    & skf21("2","4","2","5","1","1","5","1") = "4"
    & skf21("2","4","2","5","1","1","6","1") = "5"
    & skf21("2","4","2","5","1","1","7","1") = "6"
    & skf21("2","4","2","5","1","2","1","1") = "4"
    & skf21("2","4","2","5","1","2","2","1") = "4"
    & skf21("2","4","2","5","1","2","3","1") = "4"
    & skf21("2","4","2","5","1","2","4","1") = "4"
    & skf21("2","4","2","5","1","2","5","1") = "4"
    & skf21("2","4","2","5","1","2","6","1") = "5"
    & skf21("2","4","2","5","1","2","7","1") = "6"
    & skf21("2","4","2","5","1","3","1","1") = "4"
    & skf21("2","4","2","5","1","3","2","1") = "4"
    & skf21("2","4","2","5","1","3","3","1") = "4"
    & skf21("2","4","2","5","1","3","4","1") = "4"
    & skf21("2","4","2","5","1","3","5","1") = "4"
    & skf21("2","4","2","5","1","3","6","1") = "5"
    & skf21("2","4","2","5","1","3","7","1") = "6"
    & skf21("2","4","2","5","1","4","1","1") = "4"
    & skf21("2","4","2","5","1","4","2","1") = "4"
    & skf21("2","4","2","5","1","4","3","1") = "4"
    & skf21("2","4","2","5","1","4","4","1") = "4"
    & skf21("2","4","2","5","1","4","5","1") = "4"
    & skf21("2","4","2","5","1","4","6","1") = "5"
    & skf21("2","4","2","5","1","4","7","1") = "6"
    & skf21("2","4","2","5","1","5","1","1") = "4"
    & skf21("2","4","2","5","1","5","2","1") = "4"
    & skf21("2","4","2","5","1","5","3","1") = "4"
    & skf21("2","4","2","5","1","5","4","1") = "4"
    & skf21("2","4","2","5","1","5","5","1") = "4"
    & skf21("2","4","2","5","1","5","6","1") = "5"
    & skf21("2","4","2","5","1","5","7","1") = "6"
    & skf21("2","4","2","5","1","6","1","1") = "5"
    & skf21("2","4","2","5","1","6","2","1") = "5"
    & skf21("2","4","2","5","1","6","3","1") = "5"
    & skf21("2","4","2","5","1","6","4","1") = "5"
    & skf21("2","4","2","5","1","6","5","1") = "5"
    & skf21("2","4","2","5","1","6","6","1") = "5"
    & skf21("2","4","2","5","1","6","7","1") = "6"
    & skf21("2","4","2","5","1","7","1","1") = "6"
    & skf21("2","4","2","5","1","7","2","1") = "6"
    & skf21("2","4","2","5","1","7","3","1") = "6"
    & skf21("2","4","2","5","1","7","4","1") = "6"
    & skf21("2","4","2","5","1","7","5","1") = "6"
    & skf21("2","4","2","5","1","7","6","1") = "6"
    & skf21("2","4","2","5","1","7","7","1") = "6"
    & skf21("2","4","2","5","2","1","1","1") = "4"
    & skf21("2","4","2","5","2","1","2","1") = "4"
    & skf21("2","4","2","5","2","1","3","1") = "4"
    & skf21("2","4","2","5","2","1","4","1") = "4"
    & skf21("2","4","2","5","2","1","5","1") = "4"
    & skf21("2","4","2","5","2","1","6","1") = "5"
    & skf21("2","4","2","5","2","1","7","1") = "6"
    & skf21("2","4","2","5","2","2","1","1") = "4"
    & skf21("2","4","2","5","2","2","2","1") = "4"
    & skf21("2","4","2","5","2","2","3","1") = "4"
    & skf21("2","4","2","5","2","2","4","1") = "4"
    & skf21("2","4","2","5","2","2","5","1") = "4"
    & skf21("2","4","2","5","2","2","6","1") = "5"
    & skf21("2","4","2","5","2","2","7","1") = "6"
    & skf21("2","4","2","5","2","3","1","1") = "4"
    & skf21("2","4","2","5","2","3","2","1") = "4"
    & skf21("2","4","2","5","2","3","3","1") = "4"
    & skf21("2","4","2","5","2","3","4","1") = "4"
    & skf21("2","4","2","5","2","3","5","1") = "4"
    & skf21("2","4","2","5","2","3","6","1") = "5"
    & skf21("2","4","2","5","2","3","7","1") = "6"
    & skf21("2","4","2","5","2","4","1","1") = "4"
    & skf21("2","4","2","5","2","4","2","1") = "4"
    & skf21("2","4","2","5","2","4","3","1") = "4"
    & skf21("2","4","2","5","2","4","4","1") = "4"
    & skf21("2","4","2","5","2","4","5","1") = "4"
    & skf21("2","4","2","5","2","4","6","1") = "5"
    & skf21("2","4","2","5","2","4","7","1") = "6"
    & skf21("2","4","2","5","2","5","1","1") = "4"
    & skf21("2","4","2","5","2","5","2","1") = "4"
    & skf21("2","4","2","5","2","5","3","1") = "4"
    & skf21("2","4","2","5","2","5","4","1") = "4"
    & skf21("2","4","2","5","2","5","5","1") = "4"
    & skf21("2","4","2","5","2","5","6","1") = "5"
    & skf21("2","4","2","5","2","5","7","1") = "6"
    & skf21("2","4","2","5","2","6","1","1") = "5"
    & skf21("2","4","2","5","2","6","2","1") = "5"
    & skf21("2","4","2","5","2","6","3","1") = "5"
    & skf21("2","4","2","5","2","6","4","1") = "5"
    & skf21("2","4","2","5","2","6","5","1") = "5"
    & skf21("2","4","2","5","2","6","6","1") = "5"
    & skf21("2","4","2","5","2","6","7","1") = "6"
    & skf21("2","4","2","5","2","7","1","1") = "6"
    & skf21("2","4","2","5","2","7","2","1") = "6"
    & skf21("2","4","2","5","2","7","3","1") = "6"
    & skf21("2","4","2","5","2","7","4","1") = "6"
    & skf21("2","4","2","5","2","7","5","1") = "6"
    & skf21("2","4","2","5","2","7","6","1") = "6"
    & skf21("2","4","2","5","2","7","7","1") = "6"
    & skf21("2","4","2","5","3","1","1","1") = "4"
    & skf21("2","4","2","5","3","1","2","1") = "4"
    & skf21("2","4","2","5","3","1","3","1") = "4"
    & skf21("2","4","2","5","3","1","4","1") = "4"
    & skf21("2","4","2","5","3","1","5","1") = "4"
    & skf21("2","4","2","5","3","1","6","1") = "5"
    & skf21("2","4","2","5","3","1","7","1") = "6"
    & skf21("2","4","2","5","3","2","1","1") = "4"
    & skf21("2","4","2","5","3","2","2","1") = "4"
    & skf21("2","4","2","5","3","2","3","1") = "4"
    & skf21("2","4","2","5","3","2","4","1") = "4"
    & skf21("2","4","2","5","3","2","5","1") = "4"
    & skf21("2","4","2","5","3","2","6","1") = "5"
    & skf21("2","4","2","5","3","2","7","1") = "6"
    & skf21("2","4","2","5","3","3","1","1") = "4"
    & skf21("2","4","2","5","3","3","2","1") = "4"
    & skf21("2","4","2","5","3","3","3","1") = "4"
    & skf21("2","4","2","5","3","3","4","1") = "4"
    & skf21("2","4","2","5","3","3","5","1") = "4"
    & skf21("2","4","2","5","3","3","6","1") = "5"
    & skf21("2","4","2","5","3","3","7","1") = "6"
    & skf21("2","4","2","5","3","4","1","1") = "4"
    & skf21("2","4","2","5","3","4","2","1") = "4"
    & skf21("2","4","2","5","3","4","3","1") = "4"
    & skf21("2","4","2","5","3","4","4","1") = "4"
    & skf21("2","4","2","5","3","4","5","1") = "4"
    & skf21("2","4","2","5","3","4","6","1") = "5"
    & skf21("2","4","2","5","3","4","7","1") = "6"
    & skf21("2","4","2","5","3","5","1","1") = "4"
    & skf21("2","4","2","5","3","5","2","1") = "4"
    & skf21("2","4","2","5","3","5","3","1") = "4"
    & skf21("2","4","2","5","3","5","4","1") = "4"
    & skf21("2","4","2","5","3","5","5","1") = "4"
    & skf21("2","4","2","5","3","5","6","1") = "5"
    & skf21("2","4","2","5","3","5","7","1") = "6"
    & skf21("2","4","2","5","3","6","1","1") = "5"
    & skf21("2","4","2","5","3","6","2","1") = "5"
    & skf21("2","4","2","5","3","6","3","1") = "5"
    & skf21("2","4","2","5","3","6","4","1") = "5"
    & skf21("2","4","2","5","3","6","5","1") = "5"
    & skf21("2","4","2","5","3","6","6","1") = "5"
    & skf21("2","4","2","5","3","6","7","1") = "6"
    & skf21("2","4","2","5","3","7","1","1") = "6"
    & skf21("2","4","2","5","3","7","2","1") = "6"
    & skf21("2","4","2","5","3","7","3","1") = "6"
    & skf21("2","4","2","5","3","7","4","1") = "6"
    & skf21("2","4","2","5","3","7","5","1") = "6"
    & skf21("2","4","2","5","3","7","6","1") = "6"
    & skf21("2","4","2","5","3","7","7","1") = "6"
    & skf21("2","4","2","5","4","1","1","1") = "4"
    & skf21("2","4","2","5","4","1","2","1") = "4"
    & skf21("2","4","2","5","4","1","3","1") = "4"
    & skf21("2","4","2","5","4","1","4","1") = "4"
    & skf21("2","4","2","5","4","1","5","1") = "4"
    & skf21("2","4","2","5","4","1","6","1") = "5"
    & skf21("2","4","2","5","4","1","7","1") = "6"
    & skf21("2","4","2","5","4","2","1","1") = "4"
    & skf21("2","4","2","5","4","2","2","1") = "4"
    & skf21("2","4","2","5","4","2","3","1") = "4"
    & skf21("2","4","2","5","4","2","4","1") = "4"
    & skf21("2","4","2","5","4","2","5","1") = "4"
    & skf21("2","4","2","5","4","2","6","1") = "5"
    & skf21("2","4","2","5","4","2","7","1") = "6"
    & skf21("2","4","2","5","4","3","1","1") = "4"
    & skf21("2","4","2","5","4","3","2","1") = "4"
    & skf21("2","4","2","5","4","3","3","1") = "4"
    & skf21("2","4","2","5","4","3","4","1") = "4"
    & skf21("2","4","2","5","4","3","5","1") = "4"
    & skf21("2","4","2","5","4","3","6","1") = "5"
    & skf21("2","4","2","5","4","3","7","1") = "6"
    & skf21("2","4","2","5","4","4","1","1") = "4"
    & skf21("2","4","2","5","4","4","2","1") = "4"
    & skf21("2","4","2","5","4","4","3","1") = "4"
    & skf21("2","4","2","5","4","4","4","1") = "4"
    & skf21("2","4","2","5","4","4","5","1") = "4"
    & skf21("2","4","2","5","4","4","6","1") = "5"
    & skf21("2","4","2","5","4","4","7","1") = "6"
    & skf21("2","4","2","5","4","5","1","1") = "4"
    & skf21("2","4","2","5","4","5","2","1") = "4"
    & skf21("2","4","2","5","4","5","3","1") = "4"
    & skf21("2","4","2","5","4","5","4","1") = "4"
    & skf21("2","4","2","5","4","5","5","1") = "4"
    & skf21("2","4","2","5","4","5","6","1") = "5"
    & skf21("2","4","2","5","4","5","7","1") = "6"
    & skf21("2","4","2","5","4","6","1","1") = "5"
    & skf21("2","4","2","5","4","6","2","1") = "5"
    & skf21("2","4","2","5","4","6","3","1") = "5"
    & skf21("2","4","2","5","4","6","4","1") = "5"
    & skf21("2","4","2","5","4","6","5","1") = "5"
    & skf21("2","4","2","5","4","6","6","1") = "5"
    & skf21("2","4","2","5","4","6","7","1") = "6"
    & skf21("2","4","2","5","4","7","1","1") = "6"
    & skf21("2","4","2","5","4","7","2","1") = "6"
    & skf21("2","4","2","5","4","7","3","1") = "6"
    & skf21("2","4","2","5","4","7","4","1") = "6"
    & skf21("2","4","2","5","4","7","5","1") = "6"
    & skf21("2","4","2","5","4","7","6","1") = "6"
    & skf21("2","4","2","5","4","7","7","1") = "6"
    & skf21("2","4","2","5","5","1","1","1") = "4"
    & skf21("2","4","2","5","5","1","2","1") = "4"
    & skf21("2","4","2","5","5","1","3","1") = "4"
    & skf21("2","4","2","5","5","1","4","1") = "4"
    & skf21("2","4","2","5","5","1","5","1") = "4"
    & skf21("2","4","2","5","5","1","6","1") = "5"
    & skf21("2","4","2","5","5","1","7","1") = "6"
    & skf21("2","4","2","5","5","2","1","1") = "4"
    & skf21("2","4","2","5","5","2","2","1") = "4"
    & skf21("2","4","2","5","5","2","3","1") = "4"
    & skf21("2","4","2","5","5","2","4","1") = "4"
    & skf21("2","4","2","5","5","2","5","1") = "4"
    & skf21("2","4","2","5","5","2","6","1") = "5"
    & skf21("2","4","2","5","5","2","7","1") = "6"
    & skf21("2","4","2","5","5","3","1","1") = "4"
    & skf21("2","4","2","5","5","3","2","1") = "4"
    & skf21("2","4","2","5","5","3","3","1") = "4"
    & skf21("2","4","2","5","5","3","4","1") = "4"
    & skf21("2","4","2","5","5","3","5","1") = "4"
    & skf21("2","4","2","5","5","3","6","1") = "5"
    & skf21("2","4","2","5","5","3","7","1") = "6"
    & skf21("2","4","2","5","5","4","1","1") = "4"
    & skf21("2","4","2","5","5","4","2","1") = "4"
    & skf21("2","4","2","5","5","4","3","1") = "4"
    & skf21("2","4","2","5","5","4","4","1") = "4"
    & skf21("2","4","2","5","5","4","5","1") = "4"
    & skf21("2","4","2","5","5","4","6","1") = "5"
    & skf21("2","4","2","5","5","4","7","1") = "6"
    & skf21("2","4","2","5","5","5","1","1") = "4"
    & skf21("2","4","2","5","5","5","2","1") = "4"
    & skf21("2","4","2","5","5","5","3","1") = "4"
    & skf21("2","4","2","5","5","5","4","1") = "4"
    & skf21("2","4","2","5","5","5","5","1") = "4"
    & skf21("2","4","2","5","5","5","6","1") = "5"
    & skf21("2","4","2","5","5","5","7","1") = "6"
    & skf21("2","4","2","5","5","6","1","1") = "5"
    & skf21("2","4","2","5","5","6","2","1") = "5"
    & skf21("2","4","2","5","5","6","3","1") = "5"
    & skf21("2","4","2","5","5","6","4","1") = "5"
    & skf21("2","4","2","5","5","6","5","1") = "5"
    & skf21("2","4","2","5","5","6","6","1") = "5"
    & skf21("2","4","2","5","5","6","7","1") = "6"
    & skf21("2","4","2","5","5","7","1","1") = "6"
    & skf21("2","4","2","5","5","7","2","1") = "6"
    & skf21("2","4","2","5","5","7","3","1") = "6"
    & skf21("2","4","2","5","5","7","4","1") = "6"
    & skf21("2","4","2","5","5","7","5","1") = "6"
    & skf21("2","4","2","5","5","7","6","1") = "6"
    & skf21("2","4","2","5","5","7","7","1") = "6"
    & skf21("2","4","2","5","6","1","1","1") = "5"
    & skf21("2","4","2","5","6","1","2","1") = "5"
    & skf21("2","4","2","5","6","1","3","1") = "5"
    & skf21("2","4","2","5","6","1","4","1") = "5"
    & skf21("2","4","2","5","6","1","5","1") = "5"
    & skf21("2","4","2","5","6","1","6","1") = "5"
    & skf21("2","4","2","5","6","1","7","1") = "6"
    & skf21("2","4","2","5","6","2","1","1") = "5"
    & skf21("2","4","2","5","6","2","2","1") = "5"
    & skf21("2","4","2","5","6","2","3","1") = "5"
    & skf21("2","4","2","5","6","2","4","1") = "5"
    & skf21("2","4","2","5","6","2","5","1") = "5"
    & skf21("2","4","2","5","6","2","6","1") = "5"
    & skf21("2","4","2","5","6","2","7","1") = "6"
    & skf21("2","4","2","5","6","3","1","1") = "5"
    & skf21("2","4","2","5","6","3","2","1") = "5"
    & skf21("2","4","2","5","6","3","3","1") = "5"
    & skf21("2","4","2","5","6","3","4","1") = "5"
    & skf21("2","4","2","5","6","3","5","1") = "5"
    & skf21("2","4","2","5","6","3","6","1") = "5"
    & skf21("2","4","2","5","6","3","7","1") = "6"
    & skf21("2","4","2","5","6","4","1","1") = "5"
    & skf21("2","4","2","5","6","4","2","1") = "5"
    & skf21("2","4","2","5","6","4","3","1") = "5"
    & skf21("2","4","2","5","6","4","4","1") = "5"
    & skf21("2","4","2","5","6","4","5","1") = "5"
    & skf21("2","4","2","5","6","4","6","1") = "5"
    & skf21("2","4","2","5","6","4","7","1") = "6"
    & skf21("2","4","2","5","6","5","1","1") = "5"
    & skf21("2","4","2","5","6","5","2","1") = "5"
    & skf21("2","4","2","5","6","5","3","1") = "5"
    & skf21("2","4","2","5","6","5","4","1") = "5"
    & skf21("2","4","2","5","6","5","5","1") = "5"
    & skf21("2","4","2","5","6","5","6","1") = "5"
    & skf21("2","4","2","5","6","5","7","1") = "6"
    & skf21("2","4","2","5","6","6","1","1") = "5"
    & skf21("2","4","2","5","6","6","2","1") = "5"
    & skf21("2","4","2","5","6","6","3","1") = "5"
    & skf21("2","4","2","5","6","6","4","1") = "5"
    & skf21("2","4","2","5","6","6","5","1") = "5"
    & skf21("2","4","2","5","6","6","6","1") = "5"
    & skf21("2","4","2","5","6","6","7","1") = "6"
    & skf21("2","4","2","5","6","7","1","1") = "6"
    & skf21("2","4","2","5","6","7","2","1") = "6"
    & skf21("2","4","2","5","6","7","3","1") = "6"
    & skf21("2","4","2","5","6","7","4","1") = "6"
    & skf21("2","4","2","5","6","7","5","1") = "6"
    & skf21("2","4","2","5","6","7","6","1") = "6"
    & skf21("2","4","2","5","6","7","7","1") = "6"
    & skf21("2","4","2","5","7","1","1","1") = "6"
    & skf21("2","4","2","5","7","1","2","1") = "6"
    & skf21("2","4","2","5","7","1","3","1") = "6"
    & skf21("2","4","2","5","7","1","4","1") = "6"
    & skf21("2","4","2","5","7","1","5","1") = "6"
    & skf21("2","4","2","5","7","1","6","1") = "6"
    & skf21("2","4","2","5","7","1","7","1") = "6"
    & skf21("2","4","2","5","7","2","1","1") = "6"
    & skf21("2","4","2","5","7","2","2","1") = "6"
    & skf21("2","4","2","5","7","2","3","1") = "6"
    & skf21("2","4","2","5","7","2","4","1") = "6"
    & skf21("2","4","2","5","7","2","5","1") = "6"
    & skf21("2","4","2","5","7","2","6","1") = "6"
    & skf21("2","4","2","5","7","2","7","1") = "6"
    & skf21("2","4","2","5","7","3","1","1") = "6"
    & skf21("2","4","2","5","7","3","2","1") = "6"
    & skf21("2","4","2","5","7","3","3","1") = "6"
    & skf21("2","4","2","5","7","3","4","1") = "6"
    & skf21("2","4","2","5","7","3","5","1") = "6"
    & skf21("2","4","2","5","7","3","6","1") = "6"
    & skf21("2","4","2","5","7","3","7","1") = "6"
    & skf21("2","4","2","5","7","4","1","1") = "6"
    & skf21("2","4","2","5","7","4","2","1") = "6"
    & skf21("2","4","2","5","7","4","3","1") = "6"
    & skf21("2","4","2","5","7","4","4","1") = "6"
    & skf21("2","4","2","5","7","4","5","1") = "6"
    & skf21("2","4","2","5","7","4","6","1") = "6"
    & skf21("2","4","2","5","7","4","7","1") = "6"
    & skf21("2","4","2","5","7","5","1","1") = "6"
    & skf21("2","4","2","5","7","5","2","1") = "6"
    & skf21("2","4","2","5","7","5","3","1") = "6"
    & skf21("2","4","2","5","7","5","4","1") = "6"
    & skf21("2","4","2","5","7","5","5","1") = "6"
    & skf21("2","4","2","5","7","5","6","1") = "6"
    & skf21("2","4","2","5","7","5","7","1") = "6"
    & skf21("2","4","2","5","7","6","1","1") = "6"
    & skf21("2","4","2","5","7","6","2","1") = "6"
    & skf21("2","4","2","5","7","6","3","1") = "6"
    & skf21("2","4","2","5","7","6","4","1") = "6"
    & skf21("2","4","2","5","7","6","5","1") = "6"
    & skf21("2","4","2","5","7","6","6","1") = "6"
    & skf21("2","4","2","5","7","6","7","1") = "6"
    & skf21("2","4","2","5","7","7","1","1") = "6"
    & skf21("2","4","2","5","7","7","2","1") = "6"
    & skf21("2","4","2","5","7","7","3","1") = "6"
    & skf21("2","4","2","5","7","7","4","1") = "6"
    & skf21("2","4","2","5","7","7","5","1") = "6"
    & skf21("2","4","2","5","7","7","6","1") = "6"
    & skf21("2","4","2","5","7","7","7","1") = "6"
    & skf21("2","4","2","6","1","1","1","1") = "5"
    & skf21("2","4","2","6","1","1","2","1") = "5"
    & skf21("2","4","2","6","1","1","3","1") = "5"
    & skf21("2","4","2","6","1","1","4","1") = "5"
    & skf21("2","4","2","6","1","1","5","1") = "5"
    & skf21("2","4","2","6","1","1","6","1") = "5"
    & skf21("2","4","2","6","1","1","7","1") = "6"
    & skf21("2","4","2","6","1","2","1","1") = "5"
    & skf21("2","4","2","6","1","2","2","1") = "5"
    & skf21("2","4","2","6","1","2","3","1") = "5"
    & skf21("2","4","2","6","1","2","4","1") = "5"
    & skf21("2","4","2","6","1","2","5","1") = "5"
    & skf21("2","4","2","6","1","2","6","1") = "5"
    & skf21("2","4","2","6","1","2","7","1") = "6"
    & skf21("2","4","2","6","1","3","1","1") = "5"
    & skf21("2","4","2","6","1","3","2","1") = "5"
    & skf21("2","4","2","6","1","3","3","1") = "5"
    & skf21("2","4","2","6","1","3","4","1") = "5"
    & skf21("2","4","2","6","1","3","5","1") = "5"
    & skf21("2","4","2","6","1","3","6","1") = "5"
    & skf21("2","4","2","6","1","3","7","1") = "6"
    & skf21("2","4","2","6","1","4","1","1") = "5"
    & skf21("2","4","2","6","1","4","2","1") = "5"
    & skf21("2","4","2","6","1","4","3","1") = "5"
    & skf21("2","4","2","6","1","4","4","1") = "5"
    & skf21("2","4","2","6","1","4","5","1") = "5"
    & skf21("2","4","2","6","1","4","6","1") = "5"
    & skf21("2","4","2","6","1","4","7","1") = "6"
    & skf21("2","4","2","6","1","5","1","1") = "5"
    & skf21("2","4","2","6","1","5","2","1") = "5"
    & skf21("2","4","2","6","1","5","3","1") = "5"
    & skf21("2","4","2","6","1","5","4","1") = "5"
    & skf21("2","4","2","6","1","5","5","1") = "5"
    & skf21("2","4","2","6","1","5","6","1") = "5"
    & skf21("2","4","2","6","1","5","7","1") = "6"
    & skf21("2","4","2","6","1","6","1","1") = "5"
    & skf21("2","4","2","6","1","6","2","1") = "5"
    & skf21("2","4","2","6","1","6","3","1") = "5"
    & skf21("2","4","2","6","1","6","4","1") = "5"
    & skf21("2","4","2","6","1","6","5","1") = "5"
    & skf21("2","4","2","6","1","6","6","1") = "5"
    & skf21("2","4","2","6","1","6","7","1") = "6"
    & skf21("2","4","2","6","1","7","1","1") = "6"
    & skf21("2","4","2","6","1","7","2","1") = "6"
    & skf21("2","4","2","6","1","7","3","1") = "6"
    & skf21("2","4","2","6","1","7","4","1") = "6"
    & skf21("2","4","2","6","1","7","5","1") = "6"
    & skf21("2","4","2","6","1","7","6","1") = "6"
    & skf21("2","4","2","6","1","7","7","1") = "6"
    & skf21("2","4","2","6","2","1","1","1") = "5"
    & skf21("2","4","2","6","2","1","2","1") = "5"
    & skf21("2","4","2","6","2","1","3","1") = "5"
    & skf21("2","4","2","6","2","1","4","1") = "5"
    & skf21("2","4","2","6","2","1","5","1") = "5"
    & skf21("2","4","2","6","2","1","6","1") = "5"
    & skf21("2","4","2","6","2","1","7","1") = "6"
    & skf21("2","4","2","6","2","2","1","1") = "5"
    & skf21("2","4","2","6","2","2","2","1") = "5"
    & skf21("2","4","2","6","2","2","3","1") = "5"
    & skf21("2","4","2","6","2","2","4","1") = "5"
    & skf21("2","4","2","6","2","2","5","1") = "5"
    & skf21("2","4","2","6","2","2","6","1") = "5"
    & skf21("2","4","2","6","2","2","7","1") = "6"
    & skf21("2","4","2","6","2","3","1","1") = "5"
    & skf21("2","4","2","6","2","3","2","1") = "5"
    & skf21("2","4","2","6","2","3","3","1") = "5"
    & skf21("2","4","2","6","2","3","4","1") = "5"
    & skf21("2","4","2","6","2","3","5","1") = "5"
    & skf21("2","4","2","6","2","3","6","1") = "5"
    & skf21("2","4","2","6","2","3","7","1") = "6"
    & skf21("2","4","2","6","2","4","1","1") = "5"
    & skf21("2","4","2","6","2","4","2","1") = "5"
    & skf21("2","4","2","6","2","4","3","1") = "5"
    & skf21("2","4","2","6","2","4","4","1") = "5"
    & skf21("2","4","2","6","2","4","5","1") = "5"
    & skf21("2","4","2","6","2","4","6","1") = "5"
    & skf21("2","4","2","6","2","4","7","1") = "6"
    & skf21("2","4","2","6","2","5","1","1") = "5"
    & skf21("2","4","2","6","2","5","2","1") = "5"
    & skf21("2","4","2","6","2","5","3","1") = "5"
    & skf21("2","4","2","6","2","5","4","1") = "5"
    & skf21("2","4","2","6","2","5","5","1") = "5"
    & skf21("2","4","2","6","2","5","6","1") = "5"
    & skf21("2","4","2","6","2","5","7","1") = "6"
    & skf21("2","4","2","6","2","6","1","1") = "5"
    & skf21("2","4","2","6","2","6","2","1") = "5"
    & skf21("2","4","2","6","2","6","3","1") = "5"
    & skf21("2","4","2","6","2","6","4","1") = "5"
    & skf21("2","4","2","6","2","6","5","1") = "5"
    & skf21("2","4","2","6","2","6","6","1") = "5"
    & skf21("2","4","2","6","2","6","7","1") = "6"
    & skf21("2","4","2","6","2","7","1","1") = "6"
    & skf21("2","4","2","6","2","7","2","1") = "6"
    & skf21("2","4","2","6","2","7","3","1") = "6"
    & skf21("2","4","2","6","2","7","4","1") = "6"
    & skf21("2","4","2","6","2","7","5","1") = "6"
    & skf21("2","4","2","6","2","7","6","1") = "6"
    & skf21("2","4","2","6","2","7","7","1") = "6"
    & skf21("2","4","2","6","3","1","1","1") = "5"
    & skf21("2","4","2","6","3","1","2","1") = "5"
    & skf21("2","4","2","6","3","1","3","1") = "5"
    & skf21("2","4","2","6","3","1","4","1") = "5"
    & skf21("2","4","2","6","3","1","5","1") = "5"
    & skf21("2","4","2","6","3","1","6","1") = "5"
    & skf21("2","4","2","6","3","1","7","1") = "6"
    & skf21("2","4","2","6","3","2","1","1") = "5"
    & skf21("2","4","2","6","3","2","2","1") = "5"
    & skf21("2","4","2","6","3","2","3","1") = "5"
    & skf21("2","4","2","6","3","2","4","1") = "5"
    & skf21("2","4","2","6","3","2","5","1") = "5"
    & skf21("2","4","2","6","3","2","6","1") = "5"
    & skf21("2","4","2","6","3","2","7","1") = "6"
    & skf21("2","4","2","6","3","3","1","1") = "5"
    & skf21("2","4","2","6","3","3","2","1") = "5"
    & skf21("2","4","2","6","3","3","3","1") = "5"
    & skf21("2","4","2","6","3","3","4","1") = "5"
    & skf21("2","4","2","6","3","3","5","1") = "5"
    & skf21("2","4","2","6","3","3","6","1") = "5"
    & skf21("2","4","2","6","3","3","7","1") = "6"
    & skf21("2","4","2","6","3","4","1","1") = "5"
    & skf21("2","4","2","6","3","4","2","1") = "5"
    & skf21("2","4","2","6","3","4","3","1") = "5"
    & skf21("2","4","2","6","3","4","4","1") = "5"
    & skf21("2","4","2","6","3","4","5","1") = "5"
    & skf21("2","4","2","6","3","4","6","1") = "5"
    & skf21("2","4","2","6","3","4","7","1") = "6"
    & skf21("2","4","2","6","3","5","1","1") = "5"
    & skf21("2","4","2","6","3","5","2","1") = "5"
    & skf21("2","4","2","6","3","5","3","1") = "5"
    & skf21("2","4","2","6","3","5","4","1") = "5"
    & skf21("2","4","2","6","3","5","5","1") = "5"
    & skf21("2","4","2","6","3","5","6","1") = "5"
    & skf21("2","4","2","6","3","5","7","1") = "6"
    & skf21("2","4","2","6","3","6","1","1") = "5"
    & skf21("2","4","2","6","3","6","2","1") = "5"
    & skf21("2","4","2","6","3","6","3","1") = "5"
    & skf21("2","4","2","6","3","6","4","1") = "5"
    & skf21("2","4","2","6","3","6","5","1") = "5"
    & skf21("2","4","2","6","3","6","6","1") = "5"
    & skf21("2","4","2","6","3","6","7","1") = "6"
    & skf21("2","4","2","6","3","7","1","1") = "6"
    & skf21("2","4","2","6","3","7","2","1") = "6"
    & skf21("2","4","2","6","3","7","3","1") = "6"
    & skf21("2","4","2","6","3","7","4","1") = "6"
    & skf21("2","4","2","6","3","7","5","1") = "6"
    & skf21("2","4","2","6","3","7","6","1") = "6"
    & skf21("2","4","2","6","3","7","7","1") = "6"
    & skf21("2","4","2","6","4","1","1","1") = "5"
    & skf21("2","4","2","6","4","1","2","1") = "5"
    & skf21("2","4","2","6","4","1","3","1") = "5"
    & skf21("2","4","2","6","4","1","4","1") = "5"
    & skf21("2","4","2","6","4","1","5","1") = "5"
    & skf21("2","4","2","6","4","1","6","1") = "5"
    & skf21("2","4","2","6","4","1","7","1") = "6"
    & skf21("2","4","2","6","4","2","1","1") = "5"
    & skf21("2","4","2","6","4","2","2","1") = "5"
    & skf21("2","4","2","6","4","2","3","1") = "5"
    & skf21("2","4","2","6","4","2","4","1") = "5"
    & skf21("2","4","2","6","4","2","5","1") = "5"
    & skf21("2","4","2","6","4","2","6","1") = "5"
    & skf21("2","4","2","6","4","2","7","1") = "6"
    & skf21("2","4","2","6","4","3","1","1") = "5"
    & skf21("2","4","2","6","4","3","2","1") = "5"
    & skf21("2","4","2","6","4","3","3","1") = "5"
    & skf21("2","4","2","6","4","3","4","1") = "5"
    & skf21("2","4","2","6","4","3","5","1") = "5"
    & skf21("2","4","2","6","4","3","6","1") = "5"
    & skf21("2","4","2","6","4","3","7","1") = "6"
    & skf21("2","4","2","6","4","4","1","1") = "5"
    & skf21("2","4","2","6","4","4","2","1") = "5"
    & skf21("2","4","2","6","4","4","3","1") = "5"
    & skf21("2","4","2","6","4","4","4","1") = "5"
    & skf21("2","4","2","6","4","4","5","1") = "5"
    & skf21("2","4","2","6","4","4","6","1") = "5"
    & skf21("2","4","2","6","4","4","7","1") = "6"
    & skf21("2","4","2","6","4","5","1","1") = "5"
    & skf21("2","4","2","6","4","5","2","1") = "5"
    & skf21("2","4","2","6","4","5","3","1") = "5"
    & skf21("2","4","2","6","4","5","4","1") = "5"
    & skf21("2","4","2","6","4","5","5","1") = "5"
    & skf21("2","4","2","6","4","5","6","1") = "5"
    & skf21("2","4","2","6","4","5","7","1") = "6"
    & skf21("2","4","2","6","4","6","1","1") = "5"
    & skf21("2","4","2","6","4","6","2","1") = "5"
    & skf21("2","4","2","6","4","6","3","1") = "5"
    & skf21("2","4","2","6","4","6","4","1") = "5"
    & skf21("2","4","2","6","4","6","5","1") = "5"
    & skf21("2","4","2","6","4","6","6","1") = "5"
    & skf21("2","4","2","6","4","6","7","1") = "6"
    & skf21("2","4","2","6","4","7","1","1") = "6"
    & skf21("2","4","2","6","4","7","2","1") = "6"
    & skf21("2","4","2","6","4","7","3","1") = "6"
    & skf21("2","4","2","6","4","7","4","1") = "6"
    & skf21("2","4","2","6","4","7","5","1") = "6"
    & skf21("2","4","2","6","4","7","6","1") = "6"
    & skf21("2","4","2","6","4","7","7","1") = "6"
    & skf21("2","4","2","6","5","1","1","1") = "5"
    & skf21("2","4","2","6","5","1","2","1") = "5"
    & skf21("2","4","2","6","5","1","3","1") = "5"
    & skf21("2","4","2","6","5","1","4","1") = "5"
    & skf21("2","4","2","6","5","1","5","1") = "5"
    & skf21("2","4","2","6","5","1","6","1") = "5"
    & skf21("2","4","2","6","5","1","7","1") = "6"
    & skf21("2","4","2","6","5","2","1","1") = "5"
    & skf21("2","4","2","6","5","2","2","1") = "5"
    & skf21("2","4","2","6","5","2","3","1") = "5"
    & skf21("2","4","2","6","5","2","4","1") = "5"
    & skf21("2","4","2","6","5","2","5","1") = "5"
    & skf21("2","4","2","6","5","2","6","1") = "5"
    & skf21("2","4","2","6","5","2","7","1") = "6"
    & skf21("2","4","2","6","5","3","1","1") = "5"
    & skf21("2","4","2","6","5","3","2","1") = "5"
    & skf21("2","4","2","6","5","3","3","1") = "5"
    & skf21("2","4","2","6","5","3","4","1") = "5"
    & skf21("2","4","2","6","5","3","5","1") = "5"
    & skf21("2","4","2","6","5","3","6","1") = "5"
    & skf21("2","4","2","6","5","3","7","1") = "6"
    & skf21("2","4","2","6","5","4","1","1") = "5"
    & skf21("2","4","2","6","5","4","2","1") = "5"
    & skf21("2","4","2","6","5","4","3","1") = "5"
    & skf21("2","4","2","6","5","4","4","1") = "5"
    & skf21("2","4","2","6","5","4","5","1") = "5"
    & skf21("2","4","2","6","5","4","6","1") = "5"
    & skf21("2","4","2","6","5","4","7","1") = "6"
    & skf21("2","4","2","6","5","5","1","1") = "5"
    & skf21("2","4","2","6","5","5","2","1") = "5"
    & skf21("2","4","2","6","5","5","3","1") = "5"
    & skf21("2","4","2","6","5","5","4","1") = "5"
    & skf21("2","4","2","6","5","5","5","1") = "5"
    & skf21("2","4","2","6","5","5","6","1") = "5"
    & skf21("2","4","2","6","5","5","7","1") = "6"
    & skf21("2","4","2","6","5","6","1","1") = "5"
    & skf21("2","4","2","6","5","6","2","1") = "5"
    & skf21("2","4","2","6","5","6","3","1") = "5"
    & skf21("2","4","2","6","5","6","4","1") = "5"
    & skf21("2","4","2","6","5","6","5","1") = "5"
    & skf21("2","4","2","6","5","6","6","1") = "5"
    & skf21("2","4","2","6","5","6","7","1") = "6"
    & skf21("2","4","2","6","5","7","1","1") = "6"
    & skf21("2","4","2","6","5","7","2","1") = "6"
    & skf21("2","4","2","6","5","7","3","1") = "6"
    & skf21("2","4","2","6","5","7","4","1") = "6"
    & skf21("2","4","2","6","5","7","5","1") = "6"
    & skf21("2","4","2","6","5","7","6","1") = "6"
    & skf21("2","4","2","6","5","7","7","1") = "6"
    & skf21("2","4","2","6","6","1","1","1") = "5"
    & skf21("2","4","2","6","6","1","2","1") = "5"
    & skf21("2","4","2","6","6","1","3","1") = "5"
    & skf21("2","4","2","6","6","1","4","1") = "5"
    & skf21("2","4","2","6","6","1","5","1") = "5"
    & skf21("2","4","2","6","6","1","6","1") = "5"
    & skf21("2","4","2","6","6","1","7","1") = "6"
    & skf21("2","4","2","6","6","2","1","1") = "5"
    & skf21("2","4","2","6","6","2","2","1") = "5"
    & skf21("2","4","2","6","6","2","3","1") = "5"
    & skf21("2","4","2","6","6","2","4","1") = "5"
    & skf21("2","4","2","6","6","2","5","1") = "5"
    & skf21("2","4","2","6","6","2","6","1") = "5"
    & skf21("2","4","2","6","6","2","7","1") = "6"
    & skf21("2","4","2","6","6","3","1","1") = "5"
    & skf21("2","4","2","6","6","3","2","1") = "5"
    & skf21("2","4","2","6","6","3","3","1") = "5"
    & skf21("2","4","2","6","6","3","4","1") = "5"
    & skf21("2","4","2","6","6","3","5","1") = "5"
    & skf21("2","4","2","6","6","3","6","1") = "5"
    & skf21("2","4","2","6","6","3","7","1") = "6"
    & skf21("2","4","2","6","6","4","1","1") = "5"
    & skf21("2","4","2","6","6","4","2","1") = "5"
    & skf21("2","4","2","6","6","4","3","1") = "5"
    & skf21("2","4","2","6","6","4","4","1") = "5"
    & skf21("2","4","2","6","6","4","5","1") = "5"
    & skf21("2","4","2","6","6","4","6","1") = "5"
    & skf21("2","4","2","6","6","4","7","1") = "6"
    & skf21("2","4","2","6","6","5","1","1") = "5"
    & skf21("2","4","2","6","6","5","2","1") = "5"
    & skf21("2","4","2","6","6","5","3","1") = "5"
    & skf21("2","4","2","6","6","5","4","1") = "5"
    & skf21("2","4","2","6","6","5","5","1") = "5"
    & skf21("2","4","2","6","6","5","6","1") = "5"
    & skf21("2","4","2","6","6","5","7","1") = "6"
    & skf21("2","4","2","6","6","6","1","1") = "5"
    & skf21("2","4","2","6","6","6","2","1") = "5"
    & skf21("2","4","2","6","6","6","3","1") = "5"
    & skf21("2","4","2","6","6","6","4","1") = "5"
    & skf21("2","4","2","6","6","6","5","1") = "5"
    & skf21("2","4","2","6","6","6","6","1") = "5"
    & skf21("2","4","2","6","6","6","7","1") = "6"
    & skf21("2","4","2","6","6","7","1","1") = "6"
    & skf21("2","4","2","6","6","7","2","1") = "6"
    & skf21("2","4","2","6","6","7","3","1") = "6"
    & skf21("2","4","2","6","6","7","4","1") = "6"
    & skf21("2","4","2","6","6","7","5","1") = "6"
    & skf21("2","4","2","6","6","7","6","1") = "6"
    & skf21("2","4","2","6","6","7","7","1") = "6"
    & skf21("2","4","2","6","7","1","1","1") = "6"
    & skf21("2","4","2","6","7","1","2","1") = "6"
    & skf21("2","4","2","6","7","1","3","1") = "6"
    & skf21("2","4","2","6","7","1","4","1") = "6"
    & skf21("2","4","2","6","7","1","5","1") = "6"
    & skf21("2","4","2","6","7","1","6","1") = "6"
    & skf21("2","4","2","6","7","1","7","1") = "6"
    & skf21("2","4","2","6","7","2","1","1") = "6"
    & skf21("2","4","2","6","7","2","2","1") = "6"
    & skf21("2","4","2","6","7","2","3","1") = "6"
    & skf21("2","4","2","6","7","2","4","1") = "6"
    & skf21("2","4","2","6","7","2","5","1") = "6"
    & skf21("2","4","2","6","7","2","6","1") = "6"
    & skf21("2","4","2","6","7","2","7","1") = "6"
    & skf21("2","4","2","6","7","3","1","1") = "6"
    & skf21("2","4","2","6","7","3","2","1") = "6"
    & skf21("2","4","2","6","7","3","3","1") = "6"
    & skf21("2","4","2","6","7","3","4","1") = "6"
    & skf21("2","4","2","6","7","3","5","1") = "6"
    & skf21("2","4","2","6","7","3","6","1") = "6"
    & skf21("2","4","2","6","7","3","7","1") = "6"
    & skf21("2","4","2","6","7","4","1","1") = "6"
    & skf21("2","4","2","6","7","4","2","1") = "6"
    & skf21("2","4","2","6","7","4","3","1") = "6"
    & skf21("2","4","2","6","7","4","4","1") = "6"
    & skf21("2","4","2","6","7","4","5","1") = "6"
    & skf21("2","4","2","6","7","4","6","1") = "6"
    & skf21("2","4","2","6","7","4","7","1") = "6"
    & skf21("2","4","2","6","7","5","1","1") = "6"
    & skf21("2","4","2","6","7","5","2","1") = "6"
    & skf21("2","4","2","6","7","5","3","1") = "6"
    & skf21("2","4","2","6","7","5","4","1") = "6"
    & skf21("2","4","2","6","7","5","5","1") = "6"
    & skf21("2","4","2","6","7","5","6","1") = "6"
    & skf21("2","4","2","6","7","5","7","1") = "6"
    & skf21("2","4","2","6","7","6","1","1") = "6"
    & skf21("2","4","2","6","7","6","2","1") = "6"
    & skf21("2","4","2","6","7","6","3","1") = "6"
    & skf21("2","4","2","6","7","6","4","1") = "6"
    & skf21("2","4","2","6","7","6","5","1") = "6"
    & skf21("2","4","2","6","7","6","6","1") = "6"
    & skf21("2","4","2","6","7","6","7","1") = "6"
    & skf21("2","4","2","6","7","7","1","1") = "6"
    & skf21("2","4","2","6","7","7","2","1") = "6"
    & skf21("2","4","2","6","7","7","3","1") = "6"
    & skf21("2","4","2","6","7","7","4","1") = "6"
    & skf21("2","4","2","6","7","7","5","1") = "6"
    & skf21("2","4","2","6","7","7","6","1") = "6"
    & skf21("2","4","2","6","7","7","7","1") = "6"
    & skf21("2","4","2","7","1","1","1","1") = "6"
    & skf21("2","4","2","7","1","1","2","1") = "6"
    & skf21("2","4","2","7","1","1","3","1") = "6"
    & skf21("2","4","2","7","1","1","4","1") = "6"
    & skf21("2","4","2","7","1","1","5","1") = "6"
    & skf21("2","4","2","7","1","1","6","1") = "6"
    & skf21("2","4","2","7","1","1","7","1") = "6"
    & skf21("2","4","2","7","1","2","1","1") = "6"
    & skf21("2","4","2","7","1","2","2","1") = "6"
    & skf21("2","4","2","7","1","2","3","1") = "6"
    & skf21("2","4","2","7","1","2","4","1") = "6"
    & skf21("2","4","2","7","1","2","5","1") = "6"
    & skf21("2","4","2","7","1","2","6","1") = "6"
    & skf21("2","4","2","7","1","2","7","1") = "6"
    & skf21("2","4","2","7","1","3","1","1") = "6"
    & skf21("2","4","2","7","1","3","2","1") = "6"
    & skf21("2","4","2","7","1","3","3","1") = "6"
    & skf21("2","4","2","7","1","3","4","1") = "6"
    & skf21("2","4","2","7","1","3","5","1") = "6"
    & skf21("2","4","2","7","1","3","6","1") = "6"
    & skf21("2","4","2","7","1","3","7","1") = "6"
    & skf21("2","4","2","7","1","4","1","1") = "6"
    & skf21("2","4","2","7","1","4","2","1") = "6"
    & skf21("2","4","2","7","1","4","3","1") = "6"
    & skf21("2","4","2","7","1","4","4","1") = "6"
    & skf21("2","4","2","7","1","4","5","1") = "6"
    & skf21("2","4","2","7","1","4","6","1") = "6"
    & skf21("2","4","2","7","1","4","7","1") = "6"
    & skf21("2","4","2","7","1","5","1","1") = "6"
    & skf21("2","4","2","7","1","5","2","1") = "6"
    & skf21("2","4","2","7","1","5","3","1") = "6"
    & skf21("2","4","2","7","1","5","4","1") = "6"
    & skf21("2","4","2","7","1","5","5","1") = "6"
    & skf21("2","4","2","7","1","5","6","1") = "6"
    & skf21("2","4","2","7","1","5","7","1") = "6"
    & skf21("2","4","2","7","1","6","1","1") = "6"
    & skf21("2","4","2","7","1","6","2","1") = "6"
    & skf21("2","4","2","7","1","6","3","1") = "6"
    & skf21("2","4","2","7","1","6","4","1") = "6"
    & skf21("2","4","2","7","1","6","5","1") = "6"
    & skf21("2","4","2","7","1","6","6","1") = "6"
    & skf21("2","4","2","7","1","6","7","1") = "6"
    & skf21("2","4","2","7","1","7","1","1") = "6"
    & skf21("2","4","2","7","1","7","2","1") = "6"
    & skf21("2","4","2","7","1","7","3","1") = "6"
    & skf21("2","4","2","7","1","7","4","1") = "6"
    & skf21("2","4","2","7","1","7","5","1") = "6"
    & skf21("2","4","2","7","1","7","6","1") = "6"
    & skf21("2","4","2","7","1","7","7","1") = "6"
    & skf21("2","4","2","7","2","1","1","1") = "6"
    & skf21("2","4","2","7","2","1","2","1") = "6"
    & skf21("2","4","2","7","2","1","3","1") = "6"
    & skf21("2","4","2","7","2","1","4","1") = "6"
    & skf21("2","4","2","7","2","1","5","1") = "6"
    & skf21("2","4","2","7","2","1","6","1") = "6"
    & skf21("2","4","2","7","2","1","7","1") = "6"
    & skf21("2","4","2","7","2","2","1","1") = "6"
    & skf21("2","4","2","7","2","2","2","1") = "6"
    & skf21("2","4","2","7","2","2","3","1") = "6"
    & skf21("2","4","2","7","2","2","4","1") = "6"
    & skf21("2","4","2","7","2","2","5","1") = "6"
    & skf21("2","4","2","7","2","2","6","1") = "6"
    & skf21("2","4","2","7","2","2","7","1") = "6"
    & skf21("2","4","2","7","2","3","1","1") = "6"
    & skf21("2","4","2","7","2","3","2","1") = "6"
    & skf21("2","4","2","7","2","3","3","1") = "6"
    & skf21("2","4","2","7","2","3","4","1") = "6"
    & skf21("2","4","2","7","2","3","5","1") = "6"
    & skf21("2","4","2","7","2","3","6","1") = "6"
    & skf21("2","4","2","7","2","3","7","1") = "6"
    & skf21("2","4","2","7","2","4","1","1") = "6"
    & skf21("2","4","2","7","2","4","2","1") = "6"
    & skf21("2","4","2","7","2","4","3","1") = "6"
    & skf21("2","4","2","7","2","4","4","1") = "6"
    & skf21("2","4","2","7","2","4","5","1") = "6"
    & skf21("2","4","2","7","2","4","6","1") = "6"
    & skf21("2","4","2","7","2","4","7","1") = "6"
    & skf21("2","4","2","7","2","5","1","1") = "6"
    & skf21("2","4","2","7","2","5","2","1") = "6"
    & skf21("2","4","2","7","2","5","3","1") = "6"
    & skf21("2","4","2","7","2","5","4","1") = "6"
    & skf21("2","4","2","7","2","5","5","1") = "6"
    & skf21("2","4","2","7","2","5","6","1") = "6"
    & skf21("2","4","2","7","2","5","7","1") = "6"
    & skf21("2","4","2","7","2","6","1","1") = "6"
    & skf21("2","4","2","7","2","6","2","1") = "6"
    & skf21("2","4","2","7","2","6","3","1") = "6"
    & skf21("2","4","2","7","2","6","4","1") = "6"
    & skf21("2","4","2","7","2","6","5","1") = "6"
    & skf21("2","4","2","7","2","6","6","1") = "6"
    & skf21("2","4","2","7","2","6","7","1") = "6"
    & skf21("2","4","2","7","2","7","1","1") = "6"
    & skf21("2","4","2","7","2","7","2","1") = "6"
    & skf21("2","4","2","7","2","7","3","1") = "6"
    & skf21("2","4","2","7","2","7","4","1") = "6"
    & skf21("2","4","2","7","2","7","5","1") = "6"
    & skf21("2","4","2","7","2","7","6","1") = "6"
    & skf21("2","4","2","7","2","7","7","1") = "6"
    & skf21("2","4","2","7","3","1","1","1") = "6"
    & skf21("2","4","2","7","3","1","2","1") = "6"
    & skf21("2","4","2","7","3","1","3","1") = "6"
    & skf21("2","4","2","7","3","1","4","1") = "6"
    & skf21("2","4","2","7","3","1","5","1") = "6"
    & skf21("2","4","2","7","3","1","6","1") = "6"
    & skf21("2","4","2","7","3","1","7","1") = "6"
    & skf21("2","4","2","7","3","2","1","1") = "6"
    & skf21("2","4","2","7","3","2","2","1") = "6"
    & skf21("2","4","2","7","3","2","3","1") = "6"
    & skf21("2","4","2","7","3","2","4","1") = "6"
    & skf21("2","4","2","7","3","2","5","1") = "6"
    & skf21("2","4","2","7","3","2","6","1") = "6"
    & skf21("2","4","2","7","3","2","7","1") = "6"
    & skf21("2","4","2","7","3","3","1","1") = "6"
    & skf21("2","4","2","7","3","3","2","1") = "6"
    & skf21("2","4","2","7","3","3","3","1") = "6"
    & skf21("2","4","2","7","3","3","4","1") = "6"
    & skf21("2","4","2","7","3","3","5","1") = "6"
    & skf21("2","4","2","7","3","3","6","1") = "6"
    & skf21("2","4","2","7","3","3","7","1") = "6"
    & skf21("2","4","2","7","3","4","1","1") = "6"
    & skf21("2","4","2","7","3","4","2","1") = "6"
    & skf21("2","4","2","7","3","4","3","1") = "6"
    & skf21("2","4","2","7","3","4","4","1") = "6"
    & skf21("2","4","2","7","3","4","5","1") = "6"
    & skf21("2","4","2","7","3","4","6","1") = "6"
    & skf21("2","4","2","7","3","4","7","1") = "6"
    & skf21("2","4","2","7","3","5","1","1") = "6"
    & skf21("2","4","2","7","3","5","2","1") = "6"
    & skf21("2","4","2","7","3","5","3","1") = "6"
    & skf21("2","4","2","7","3","5","4","1") = "6"
    & skf21("2","4","2","7","3","5","5","1") = "6"
    & skf21("2","4","2","7","3","5","6","1") = "6"
    & skf21("2","4","2","7","3","5","7","1") = "6"
    & skf21("2","4","2","7","3","6","1","1") = "6"
    & skf21("2","4","2","7","3","6","2","1") = "6"
    & skf21("2","4","2","7","3","6","3","1") = "6"
    & skf21("2","4","2","7","3","6","4","1") = "6"
    & skf21("2","4","2","7","3","6","5","1") = "6"
    & skf21("2","4","2","7","3","6","6","1") = "6"
    & skf21("2","4","2","7","3","6","7","1") = "6"
    & skf21("2","4","2","7","3","7","1","1") = "6"
    & skf21("2","4","2","7","3","7","2","1") = "6"
    & skf21("2","4","2","7","3","7","3","1") = "6"
    & skf21("2","4","2","7","3","7","4","1") = "6"
    & skf21("2","4","2","7","3","7","5","1") = "6"
    & skf21("2","4","2","7","3","7","6","1") = "6"
    & skf21("2","4","2","7","3","7","7","1") = "6"
    & skf21("2","4","2","7","4","1","1","1") = "6"
    & skf21("2","4","2","7","4","1","2","1") = "6"
    & skf21("2","4","2","7","4","1","3","1") = "6"
    & skf21("2","4","2","7","4","1","4","1") = "6"
    & skf21("2","4","2","7","4","1","5","1") = "6"
    & skf21("2","4","2","7","4","1","6","1") = "6"
    & skf21("2","4","2","7","4","1","7","1") = "6"
    & skf21("2","4","2","7","4","2","1","1") = "6"
    & skf21("2","4","2","7","4","2","2","1") = "6"
    & skf21("2","4","2","7","4","2","3","1") = "6"
    & skf21("2","4","2","7","4","2","4","1") = "6"
    & skf21("2","4","2","7","4","2","5","1") = "6"
    & skf21("2","4","2","7","4","2","6","1") = "6"
    & skf21("2","4","2","7","4","2","7","1") = "6"
    & skf21("2","4","2","7","4","3","1","1") = "6"
    & skf21("2","4","2","7","4","3","2","1") = "6"
    & skf21("2","4","2","7","4","3","3","1") = "6"
    & skf21("2","4","2","7","4","3","4","1") = "6"
    & skf21("2","4","2","7","4","3","5","1") = "6"
    & skf21("2","4","2","7","4","3","6","1") = "6"
    & skf21("2","4","2","7","4","3","7","1") = "6"
    & skf21("2","4","2","7","4","4","1","1") = "6"
    & skf21("2","4","2","7","4","4","2","1") = "6"
    & skf21("2","4","2","7","4","4","3","1") = "6"
    & skf21("2","4","2","7","4","4","4","1") = "6"
    & skf21("2","4","2","7","4","4","5","1") = "6"
    & skf21("2","4","2","7","4","4","6","1") = "6"
    & skf21("2","4","2","7","4","4","7","1") = "6"
    & skf21("2","4","2","7","4","5","1","1") = "6"
    & skf21("2","4","2","7","4","5","2","1") = "6"
    & skf21("2","4","2","7","4","5","3","1") = "6"
    & skf21("2","4","2","7","4","5","4","1") = "6"
    & skf21("2","4","2","7","4","5","5","1") = "6"
    & skf21("2","4","2","7","4","5","6","1") = "6"
    & skf21("2","4","2","7","4","5","7","1") = "6"
    & skf21("2","4","2","7","4","6","1","1") = "6"
    & skf21("2","4","2","7","4","6","2","1") = "6"
    & skf21("2","4","2","7","4","6","3","1") = "6"
    & skf21("2","4","2","7","4","6","4","1") = "6"
    & skf21("2","4","2","7","4","6","5","1") = "6"
    & skf21("2","4","2","7","4","6","6","1") = "6"
    & skf21("2","4","2","7","4","6","7","1") = "6"
    & skf21("2","4","2","7","4","7","1","1") = "6"
    & skf21("2","4","2","7","4","7","2","1") = "6"
    & skf21("2","4","2","7","4","7","3","1") = "6"
    & skf21("2","4","2","7","4","7","4","1") = "6"
    & skf21("2","4","2","7","4","7","5","1") = "6"
    & skf21("2","4","2","7","4","7","6","1") = "6"
    & skf21("2","4","2","7","4","7","7","1") = "6"
    & skf21("2","4","2","7","5","1","1","1") = "6"
    & skf21("2","4","2","7","5","1","2","1") = "6"
    & skf21("2","4","2","7","5","1","3","1") = "6"
    & skf21("2","4","2","7","5","1","4","1") = "6"
    & skf21("2","4","2","7","5","1","5","1") = "6"
    & skf21("2","4","2","7","5","1","6","1") = "6"
    & skf21("2","4","2","7","5","1","7","1") = "6"
    & skf21("2","4","2","7","5","2","1","1") = "6"
    & skf21("2","4","2","7","5","2","2","1") = "6"
    & skf21("2","4","2","7","5","2","3","1") = "6"
    & skf21("2","4","2","7","5","2","4","1") = "6"
    & skf21("2","4","2","7","5","2","5","1") = "6"
    & skf21("2","4","2","7","5","2","6","1") = "6"
    & skf21("2","4","2","7","5","2","7","1") = "6"
    & skf21("2","4","2","7","5","3","1","1") = "6"
    & skf21("2","4","2","7","5","3","2","1") = "6"
    & skf21("2","4","2","7","5","3","3","1") = "6"
    & skf21("2","4","2","7","5","3","4","1") = "6"
    & skf21("2","4","2","7","5","3","5","1") = "6"
    & skf21("2","4","2","7","5","3","6","1") = "6"
    & skf21("2","4","2","7","5","3","7","1") = "6"
    & skf21("2","4","2","7","5","4","1","1") = "6"
    & skf21("2","4","2","7","5","4","2","1") = "6"
    & skf21("2","4","2","7","5","4","3","1") = "6"
    & skf21("2","4","2","7","5","4","4","1") = "6"
    & skf21("2","4","2","7","5","4","5","1") = "6"
    & skf21("2","4","2","7","5","4","6","1") = "6"
    & skf21("2","4","2","7","5","4","7","1") = "6"
    & skf21("2","4","2","7","5","5","1","1") = "6"
    & skf21("2","4","2","7","5","5","2","1") = "6"
    & skf21("2","4","2","7","5","5","3","1") = "6"
    & skf21("2","4","2","7","5","5","4","1") = "6"
    & skf21("2","4","2","7","5","5","5","1") = "6"
    & skf21("2","4","2","7","5","5","6","1") = "6"
    & skf21("2","4","2","7","5","5","7","1") = "6"
    & skf21("2","4","2","7","5","6","1","1") = "6"
    & skf21("2","4","2","7","5","6","2","1") = "6"
    & skf21("2","4","2","7","5","6","3","1") = "6"
    & skf21("2","4","2","7","5","6","4","1") = "6"
    & skf21("2","4","2","7","5","6","5","1") = "6"
    & skf21("2","4","2","7","5","6","6","1") = "6"
    & skf21("2","4","2","7","5","6","7","1") = "6"
    & skf21("2","4","2","7","5","7","1","1") = "6"
    & skf21("2","4","2","7","5","7","2","1") = "6"
    & skf21("2","4","2","7","5","7","3","1") = "6"
    & skf21("2","4","2","7","5","7","4","1") = "6"
    & skf21("2","4","2","7","5","7","5","1") = "6"
    & skf21("2","4","2","7","5","7","6","1") = "6"
    & skf21("2","4","2","7","5","7","7","1") = "6"
    & skf21("2","4","2","7","6","1","1","1") = "6"
    & skf21("2","4","2","7","6","1","2","1") = "6"
    & skf21("2","4","2","7","6","1","3","1") = "6"
    & skf21("2","4","2","7","6","1","4","1") = "6"
    & skf21("2","4","2","7","6","1","5","1") = "6"
    & skf21("2","4","2","7","6","1","6","1") = "6"
    & skf21("2","4","2","7","6","1","7","1") = "6"
    & skf21("2","4","2","7","6","2","1","1") = "6"
    & skf21("2","4","2","7","6","2","2","1") = "6"
    & skf21("2","4","2","7","6","2","3","1") = "6"
    & skf21("2","4","2","7","6","2","4","1") = "6"
    & skf21("2","4","2","7","6","2","5","1") = "6"
    & skf21("2","4","2","7","6","2","6","1") = "6"
    & skf21("2","4","2","7","6","2","7","1") = "6"
    & skf21("2","4","2","7","6","3","1","1") = "6"
    & skf21("2","4","2","7","6","3","2","1") = "6"
    & skf21("2","4","2","7","6","3","3","1") = "6"
    & skf21("2","4","2","7","6","3","4","1") = "6"
    & skf21("2","4","2","7","6","3","5","1") = "6"
    & skf21("2","4","2","7","6","3","6","1") = "6"
    & skf21("2","4","2","7","6","3","7","1") = "6"
    & skf21("2","4","2","7","6","4","1","1") = "6"
    & skf21("2","4","2","7","6","4","2","1") = "6"
    & skf21("2","4","2","7","6","4","3","1") = "6"
    & skf21("2","4","2","7","6","4","4","1") = "6"
    & skf21("2","4","2","7","6","4","5","1") = "6"
    & skf21("2","4","2","7","6","4","6","1") = "6"
    & skf21("2","4","2","7","6","4","7","1") = "6"
    & skf21("2","4","2","7","6","5","1","1") = "6"
    & skf21("2","4","2","7","6","5","2","1") = "6"
    & skf21("2","4","2","7","6","5","3","1") = "6"
    & skf21("2","4","2","7","6","5","4","1") = "6"
    & skf21("2","4","2","7","6","5","5","1") = "6"
    & skf21("2","4","2","7","6","5","6","1") = "6"
    & skf21("2","4","2","7","6","5","7","1") = "6"
    & skf21("2","4","2","7","6","6","1","1") = "6"
    & skf21("2","4","2","7","6","6","2","1") = "6"
    & skf21("2","4","2","7","6","6","3","1") = "6"
    & skf21("2","4","2","7","6","6","4","1") = "6"
    & skf21("2","4","2","7","6","6","5","1") = "6"
    & skf21("2","4","2","7","6","6","6","1") = "6"
    & skf21("2","4","2","7","6","6","7","1") = "6"
    & skf21("2","4","2","7","6","7","1","1") = "6"
    & skf21("2","4","2","7","6","7","2","1") = "6"
    & skf21("2","4","2","7","6","7","3","1") = "6"
    & skf21("2","4","2","7","6","7","4","1") = "6"
    & skf21("2","4","2","7","6","7","5","1") = "6"
    & skf21("2","4","2","7","6","7","6","1") = "6"
    & skf21("2","4","2","7","6","7","7","1") = "6"
    & skf21("2","4","2","7","7","1","1","1") = "6"
    & skf21("2","4","2","7","7","1","2","1") = "6"
    & skf21("2","4","2","7","7","1","3","1") = "6"
    & skf21("2","4","2","7","7","1","4","1") = "6"
    & skf21("2","4","2","7","7","1","5","1") = "6"
    & skf21("2","4","2","7","7","1","6","1") = "6"
    & skf21("2","4","2","7","7","1","7","1") = "6"
    & skf21("2","4","2","7","7","2","1","1") = "6"
    & skf21("2","4","2","7","7","2","2","1") = "6"
    & skf21("2","4","2","7","7","2","3","1") = "6"
    & skf21("2","4","2","7","7","2","4","1") = "6"
    & skf21("2","4","2","7","7","2","5","1") = "6"
    & skf21("2","4","2","7","7","2","6","1") = "6"
    & skf21("2","4","2","7","7","2","7","1") = "6"
    & skf21("2","4","2","7","7","3","1","1") = "6"
    & skf21("2","4","2","7","7","3","2","1") = "6"
    & skf21("2","4","2","7","7","3","3","1") = "6"
    & skf21("2","4","2","7","7","3","4","1") = "6"
    & skf21("2","4","2","7","7","3","5","1") = "6"
    & skf21("2","4","2","7","7","3","6","1") = "6"
    & skf21("2","4","2","7","7","3","7","1") = "6"
    & skf21("2","4","2","7","7","4","1","1") = "6"
    & skf21("2","4","2","7","7","4","2","1") = "6"
    & skf21("2","4","2","7","7","4","3","1") = "6"
    & skf21("2","4","2","7","7","4","4","1") = "6"
    & skf21("2","4","2","7","7","4","5","1") = "6"
    & skf21("2","4","2","7","7","4","6","1") = "6"
    & skf21("2","4","2","7","7","4","7","1") = "6"
    & skf21("2","4","2","7","7","5","1","1") = "6"
    & skf21("2","4","2","7","7","5","2","1") = "6"
    & skf21("2","4","2","7","7","5","3","1") = "6"
    & skf21("2","4","2","7","7","5","4","1") = "6"
    & skf21("2","4","2","7","7","5","5","1") = "6"
    & skf21("2","4","2","7","7","5","6","1") = "6"
    & skf21("2","4","2","7","7","5","7","1") = "6"
    & skf21("2","4","2","7","7","6","1","1") = "6"
    & skf21("2","4","2","7","7","6","2","1") = "6"
    & skf21("2","4","2","7","7","6","3","1") = "6"
    & skf21("2","4","2","7","7","6","4","1") = "6"
    & skf21("2","4","2","7","7","6","5","1") = "6"
    & skf21("2","4","2","7","7","6","6","1") = "6"
    & skf21("2","4","2","7","7","6","7","1") = "6"
    & skf21("2","4","2","7","7","7","1","1") = "6"
    & skf21("2","4","2","7","7","7","2","1") = "6"
    & skf21("2","4","2","7","7","7","3","1") = "6"
    & skf21("2","4","2","7","7","7","4","1") = "6"
    & skf21("2","4","2","7","7","7","5","1") = "6"
    & skf21("2","4","2","7","7","7","6","1") = "6"
    & skf21("2","4","2","7","7","7","7","1") = "6"
    & skf21("2","4","3","1","1","1","1","1") = "3"
    & skf21("2","4","3","1","1","1","2","1") = "3"
    & skf21("2","4","3","1","1","1","3","1") = "3"
    & skf21("2","4","3","1","1","1","4","1") = "3"
    & skf21("2","4","3","1","1","1","5","1") = "4"
    & skf21("2","4","3","1","1","1","6","1") = "5"
    & skf21("2","4","3","1","1","1","7","1") = "6"
    & skf21("2","4","3","1","1","2","1","1") = "3"
    & skf21("2","4","3","1","1","2","2","1") = "3"
    & skf21("2","4","3","1","1","2","3","1") = "3"
    & skf21("2","4","3","1","1","2","4","1") = "3"
    & skf21("2","4","3","1","1","2","5","1") = "4"
    & skf21("2","4","3","1","1","2","6","1") = "5"
    & skf21("2","4","3","1","1","2","7","1") = "6"
    & skf21("2","4","3","1","1","3","1","1") = "3"
    & skf21("2","4","3","1","1","3","2","1") = "3"
    & skf21("2","4","3","1","1","3","3","1") = "3"
    & skf21("2","4","3","1","1","3","4","1") = "3"
    & skf21("2","4","3","1","1","3","5","1") = "4"
    & skf21("2","4","3","1","1","3","6","1") = "5"
    & skf21("2","4","3","1","1","3","7","1") = "6"
    & skf21("2","4","3","1","1","4","1","1") = "3"
    & skf21("2","4","3","1","1","4","2","1") = "3"
    & skf21("2","4","3","1","1","4","3","1") = "3"
    & skf21("2","4","3","1","1","4","4","1") = "3"
    & skf21("2","4","3","1","1","4","5","1") = "4"
    & skf21("2","4","3","1","1","4","6","1") = "5"
    & skf21("2","4","3","1","1","4","7","1") = "6"
    & skf21("2","4","3","1","1","5","1","1") = "4"
    & skf21("2","4","3","1","1","5","2","1") = "4"
    & skf21("2","4","3","1","1","5","3","1") = "4"
    & skf21("2","4","3","1","1","5","4","1") = "4"
    & skf21("2","4","3","1","1","5","5","1") = "4"
    & skf21("2","4","3","1","1","5","6","1") = "5"
    & skf21("2","4","3","1","1","5","7","1") = "6"
    & skf21("2","4","3","1","1","6","1","1") = "5"
    & skf21("2","4","3","1","1","6","2","1") = "5"
    & skf21("2","4","3","1","1","6","3","1") = "5"
    & skf21("2","4","3","1","1","6","4","1") = "5"
    & skf21("2","4","3","1","1","6","5","1") = "5"
    & skf21("2","4","3","1","1","6","6","1") = "5"
    & skf21("2","4","3","1","1","6","7","1") = "6"
    & skf21("2","4","3","1","1","7","1","1") = "6"
    & skf21("2","4","3","1","1","7","2","1") = "6"
    & skf21("2","4","3","1","1","7","3","1") = "6"
    & skf21("2","4","3","1","1","7","4","1") = "6"
    & skf21("2","4","3","1","1","7","5","1") = "6"
    & skf21("2","4","3","1","1","7","6","1") = "6"
    & skf21("2","4","3","1","1","7","7","1") = "6"
    & skf21("2","4","3","1","2","1","1","1") = "3"
    & skf21("2","4","3","1","2","1","2","1") = "3"
    & skf21("2","4","3","1","2","1","3","1") = "3"
    & skf21("2","4","3","1","2","1","4","1") = "3"
    & skf21("2","4","3","1","2","1","5","1") = "4"
    & skf21("2","4","3","1","2","1","6","1") = "5"
    & skf21("2","4","3","1","2","1","7","1") = "6"
    & skf21("2","4","3","1","2","2","1","1") = "3"
    & skf21("2","4","3","1","2","2","2","1") = "3"
    & skf21("2","4","3","1","2","2","3","1") = "3"
    & skf21("2","4","3","1","2","2","4","1") = "3"
    & skf21("2","4","3","1","2","2","5","1") = "4"
    & skf21("2","4","3","1","2","2","6","1") = "5"
    & skf21("2","4","3","1","2","2","7","1") = "6"
    & skf21("2","4","3","1","2","3","1","1") = "3"
    & skf21("2","4","3","1","2","3","2","1") = "3"
    & skf21("2","4","3","1","2","3","3","1") = "3"
    & skf21("2","4","3","1","2","3","4","1") = "3"
    & skf21("2","4","3","1","2","3","5","1") = "4"
    & skf21("2","4","3","1","2","3","6","1") = "5"
    & skf21("2","4","3","1","2","3","7","1") = "6"
    & skf21("2","4","3","1","2","4","1","1") = "3"
    & skf21("2","4","3","1","2","4","2","1") = "3"
    & skf21("2","4","3","1","2","4","3","1") = "3"
    & skf21("2","4","3","1","2","4","4","1") = "3"
    & skf21("2","4","3","1","2","4","5","1") = "4"
    & skf21("2","4","3","1","2","4","6","1") = "5"
    & skf21("2","4","3","1","2","4","7","1") = "6"
    & skf21("2","4","3","1","2","5","1","1") = "4"
    & skf21("2","4","3","1","2","5","2","1") = "4"
    & skf21("2","4","3","1","2","5","3","1") = "4"
    & skf21("2","4","3","1","2","5","4","1") = "4"
    & skf21("2","4","3","1","2","5","5","1") = "4"
    & skf21("2","4","3","1","2","5","6","1") = "5"
    & skf21("2","4","3","1","2","5","7","1") = "6"
    & skf21("2","4","3","1","2","6","1","1") = "5"
    & skf21("2","4","3","1","2","6","2","1") = "5"
    & skf21("2","4","3","1","2","6","3","1") = "5"
    & skf21("2","4","3","1","2","6","4","1") = "5"
    & skf21("2","4","3","1","2","6","5","1") = "5"
    & skf21("2","4","3","1","2","6","6","1") = "5"
    & skf21("2","4","3","1","2","6","7","1") = "6"
    & skf21("2","4","3","1","2","7","1","1") = "6"
    & skf21("2","4","3","1","2","7","2","1") = "6"
    & skf21("2","4","3","1","2","7","3","1") = "6"
    & skf21("2","4","3","1","2","7","4","1") = "6"
    & skf21("2","4","3","1","2","7","5","1") = "6"
    & skf21("2","4","3","1","2","7","6","1") = "6"
    & skf21("2","4","3","1","2","7","7","1") = "6"
    & skf21("2","4","3","1","3","1","1","1") = "3"
    & skf21("2","4","3","1","3","1","2","1") = "3"
    & skf21("2","4","3","1","3","1","3","1") = "3"
    & skf21("2","4","3","1","3","1","4","1") = "3"
    & skf21("2","4","3","1","3","1","5","1") = "4"
    & skf21("2","4","3","1","3","1","6","1") = "5"
    & skf21("2","4","3","1","3","1","7","1") = "6"
    & skf21("2","4","3","1","3","2","1","1") = "3"
    & skf21("2","4","3","1","3","2","2","1") = "3"
    & skf21("2","4","3","1","3","2","3","1") = "3"
    & skf21("2","4","3","1","3","2","4","1") = "3"
    & skf21("2","4","3","1","3","2","5","1") = "4"
    & skf21("2","4","3","1","3","2","6","1") = "5"
    & skf21("2","4","3","1","3","2","7","1") = "6"
    & skf21("2","4","3","1","3","3","1","1") = "3"
    & skf21("2","4","3","1","3","3","2","1") = "3"
    & skf21("2","4","3","1","3","3","3","1") = "3"
    & skf21("2","4","3","1","3","3","4","1") = "3"
    & skf21("2","4","3","1","3","3","5","1") = "4"
    & skf21("2","4","3","1","3","3","6","1") = "5"
    & skf21("2","4","3","1","3","3","7","1") = "6"
    & skf21("2","4","3","1","3","4","1","1") = "3"
    & skf21("2","4","3","1","3","4","2","1") = "3"
    & skf21("2","4","3","1","3","4","3","1") = "3"
    & skf21("2","4","3","1","3","4","4","1") = "3"
    & skf21("2","4","3","1","3","4","5","1") = "4"
    & skf21("2","4","3","1","3","4","6","1") = "5"
    & skf21("2","4","3","1","3","4","7","1") = "6"
    & skf21("2","4","3","1","3","5","1","1") = "4"
    & skf21("2","4","3","1","3","5","2","1") = "4"
    & skf21("2","4","3","1","3","5","3","1") = "4"
    & skf21("2","4","3","1","3","5","4","1") = "4"
    & skf21("2","4","3","1","3","5","5","1") = "4"
    & skf21("2","4","3","1","3","5","6","1") = "5"
    & skf21("2","4","3","1","3","5","7","1") = "6"
    & skf21("2","4","3","1","3","6","1","1") = "5"
    & skf21("2","4","3","1","3","6","2","1") = "5"
    & skf21("2","4","3","1","3","6","3","1") = "5"
    & skf21("2","4","3","1","3","6","4","1") = "5"
    & skf21("2","4","3","1","3","6","5","1") = "5"
    & skf21("2","4","3","1","3","6","6","1") = "5"
    & skf21("2","4","3","1","3","6","7","1") = "6"
    & skf21("2","4","3","1","3","7","1","1") = "6"
    & skf21("2","4","3","1","3","7","2","1") = "6"
    & skf21("2","4","3","1","3","7","3","1") = "6"
    & skf21("2","4","3","1","3","7","4","1") = "6"
    & skf21("2","4","3","1","3","7","5","1") = "6"
    & skf21("2","4","3","1","3","7","6","1") = "6"
    & skf21("2","4","3","1","3","7","7","1") = "6"
    & skf21("2","4","3","1","4","1","1","1") = "3"
    & skf21("2","4","3","1","4","1","2","1") = "3"
    & skf21("2","4","3","1","4","1","3","1") = "3"
    & skf21("2","4","3","1","4","1","4","1") = "3"
    & skf21("2","4","3","1","4","1","5","1") = "4"
    & skf21("2","4","3","1","4","1","6","1") = "5"
    & skf21("2","4","3","1","4","1","7","1") = "6"
    & skf21("2","4","3","1","4","2","1","1") = "3"
    & skf21("2","4","3","1","4","2","2","1") = "3"
    & skf21("2","4","3","1","4","2","3","1") = "3"
    & skf21("2","4","3","1","4","2","4","1") = "3"
    & skf21("2","4","3","1","4","2","5","1") = "4"
    & skf21("2","4","3","1","4","2","6","1") = "5"
    & skf21("2","4","3","1","4","2","7","1") = "6"
    & skf21("2","4","3","1","4","3","1","1") = "3"
    & skf21("2","4","3","1","4","3","2","1") = "3"
    & skf21("2","4","3","1","4","3","3","1") = "3"
    & skf21("2","4","3","1","4","3","4","1") = "3"
    & skf21("2","4","3","1","4","3","5","1") = "4"
    & skf21("2","4","3","1","4","3","6","1") = "5"
    & skf21("2","4","3","1","4","3","7","1") = "6"
    & skf21("2","4","3","1","4","4","1","1") = "3"
    & skf21("2","4","3","1","4","4","2","1") = "3"
    & skf21("2","4","3","1","4","4","3","1") = "3"
    & skf21("2","4","3","1","4","4","4","1") = "3"
    & skf21("2","4","3","1","4","4","5","1") = "4"
    & skf21("2","4","3","1","4","4","6","1") = "5"
    & skf21("2","4","3","1","4","4","7","1") = "6"
    & skf21("2","4","3","1","4","5","1","1") = "4"
    & skf21("2","4","3","1","4","5","2","1") = "4"
    & skf21("2","4","3","1","4","5","3","1") = "4"
    & skf21("2","4","3","1","4","5","4","1") = "4"
    & skf21("2","4","3","1","4","5","5","1") = "4"
    & skf21("2","4","3","1","4","5","6","1") = "5"
    & skf21("2","4","3","1","4","5","7","1") = "6"
    & skf21("2","4","3","1","4","6","1","1") = "5"
    & skf21("2","4","3","1","4","6","2","1") = "5"
    & skf21("2","4","3","1","4","6","3","1") = "5"
    & skf21("2","4","3","1","4","6","4","1") = "5"
    & skf21("2","4","3","1","4","6","5","1") = "5"
    & skf21("2","4","3","1","4","6","6","1") = "5"
    & skf21("2","4","3","1","4","6","7","1") = "6"
    & skf21("2","4","3","1","4","7","1","1") = "6"
    & skf21("2","4","3","1","4","7","2","1") = "6"
    & skf21("2","4","3","1","4","7","3","1") = "6"
    & skf21("2","4","3","1","4","7","4","1") = "6"
    & skf21("2","4","3","1","4","7","5","1") = "6"
    & skf21("2","4","3","1","4","7","6","1") = "6"
    & skf21("2","4","3","1","4","7","7","1") = "6"
    & skf21("2","4","3","1","5","1","1","1") = "4"
    & skf21("2","4","3","1","5","1","2","1") = "4"
    & skf21("2","4","3","1","5","1","3","1") = "4"
    & skf21("2","4","3","1","5","1","4","1") = "4"
    & skf21("2","4","3","1","5","1","5","1") = "4"
    & skf21("2","4","3","1","5","1","6","1") = "5"
    & skf21("2","4","3","1","5","1","7","1") = "6"
    & skf21("2","4","3","1","5","2","1","1") = "4"
    & skf21("2","4","3","1","5","2","2","1") = "4"
    & skf21("2","4","3","1","5","2","3","1") = "4"
    & skf21("2","4","3","1","5","2","4","1") = "4"
    & skf21("2","4","3","1","5","2","5","1") = "4"
    & skf21("2","4","3","1","5","2","6","1") = "5"
    & skf21("2","4","3","1","5","2","7","1") = "6"
    & skf21("2","4","3","1","5","3","1","1") = "4"
    & skf21("2","4","3","1","5","3","2","1") = "4"
    & skf21("2","4","3","1","5","3","3","1") = "4"
    & skf21("2","4","3","1","5","3","4","1") = "4"
    & skf21("2","4","3","1","5","3","5","1") = "4"
    & skf21("2","4","3","1","5","3","6","1") = "5"
    & skf21("2","4","3","1","5","3","7","1") = "6"
    & skf21("2","4","3","1","5","4","1","1") = "4"
    & skf21("2","4","3","1","5","4","2","1") = "4"
    & skf21("2","4","3","1","5","4","3","1") = "4"
    & skf21("2","4","3","1","5","4","4","1") = "4"
    & skf21("2","4","3","1","5","4","5","1") = "4"
    & skf21("2","4","3","1","5","4","6","1") = "5"
    & skf21("2","4","3","1","5","4","7","1") = "6"
    & skf21("2","4","3","1","5","5","1","1") = "4"
    & skf21("2","4","3","1","5","5","2","1") = "4"
    & skf21("2","4","3","1","5","5","3","1") = "4"
    & skf21("2","4","3","1","5","5","4","1") = "4"
    & skf21("2","4","3","1","5","5","5","1") = "4"
    & skf21("2","4","3","1","5","5","6","1") = "5"
    & skf21("2","4","3","1","5","5","7","1") = "6"
    & skf21("2","4","3","1","5","6","1","1") = "5"
    & skf21("2","4","3","1","5","6","2","1") = "5"
    & skf21("2","4","3","1","5","6","3","1") = "5"
    & skf21("2","4","3","1","5","6","4","1") = "5"
    & skf21("2","4","3","1","5","6","5","1") = "5"
    & skf21("2","4","3","1","5","6","6","1") = "5"
    & skf21("2","4","3","1","5","6","7","1") = "6"
    & skf21("2","4","3","1","5","7","1","1") = "6"
    & skf21("2","4","3","1","5","7","2","1") = "6"
    & skf21("2","4","3","1","5","7","3","1") = "6"
    & skf21("2","4","3","1","5","7","4","1") = "6"
    & skf21("2","4","3","1","5","7","5","1") = "6"
    & skf21("2","4","3","1","5","7","6","1") = "6"
    & skf21("2","4","3","1","5","7","7","1") = "6"
    & skf21("2","4","3","1","6","1","1","1") = "5"
    & skf21("2","4","3","1","6","1","2","1") = "5"
    & skf21("2","4","3","1","6","1","3","1") = "5"
    & skf21("2","4","3","1","6","1","4","1") = "5"
    & skf21("2","4","3","1","6","1","5","1") = "5"
    & skf21("2","4","3","1","6","1","6","1") = "5"
    & skf21("2","4","3","1","6","1","7","1") = "6"
    & skf21("2","4","3","1","6","2","1","1") = "5"
    & skf21("2","4","3","1","6","2","2","1") = "5"
    & skf21("2","4","3","1","6","2","3","1") = "5"
    & skf21("2","4","3","1","6","2","4","1") = "5"
    & skf21("2","4","3","1","6","2","5","1") = "5"
    & skf21("2","4","3","1","6","2","6","1") = "5"
    & skf21("2","4","3","1","6","2","7","1") = "6"
    & skf21("2","4","3","1","6","3","1","1") = "5"
    & skf21("2","4","3","1","6","3","2","1") = "5"
    & skf21("2","4","3","1","6","3","3","1") = "5"
    & skf21("2","4","3","1","6","3","4","1") = "5"
    & skf21("2","4","3","1","6","3","5","1") = "5"
    & skf21("2","4","3","1","6","3","6","1") = "5"
    & skf21("2","4","3","1","6","3","7","1") = "6"
    & skf21("2","4","3","1","6","4","1","1") = "5"
    & skf21("2","4","3","1","6","4","2","1") = "5"
    & skf21("2","4","3","1","6","4","3","1") = "5"
    & skf21("2","4","3","1","6","4","4","1") = "5"
    & skf21("2","4","3","1","6","4","5","1") = "5"
    & skf21("2","4","3","1","6","4","6","1") = "5"
    & skf21("2","4","3","1","6","4","7","1") = "6"
    & skf21("2","4","3","1","6","5","1","1") = "5"
    & skf21("2","4","3","1","6","5","2","1") = "5"
    & skf21("2","4","3","1","6","5","3","1") = "5"
    & skf21("2","4","3","1","6","5","4","1") = "5"
    & skf21("2","4","3","1","6","5","5","1") = "5"
    & skf21("2","4","3","1","6","5","6","1") = "5"
    & skf21("2","4","3","1","6","5","7","1") = "6"
    & skf21("2","4","3","1","6","6","1","1") = "5"
    & skf21("2","4","3","1","6","6","2","1") = "5"
    & skf21("2","4","3","1","6","6","3","1") = "5"
    & skf21("2","4","3","1","6","6","4","1") = "5"
    & skf21("2","4","3","1","6","6","5","1") = "5"
    & skf21("2","4","3","1","6","6","6","1") = "5"
    & skf21("2","4","3","1","6","6","7","1") = "6"
    & skf21("2","4","3","1","6","7","1","1") = "6"
    & skf21("2","4","3","1","6","7","2","1") = "6"
    & skf21("2","4","3","1","6","7","3","1") = "6"
    & skf21("2","4","3","1","6","7","4","1") = "6"
    & skf21("2","4","3","1","6","7","5","1") = "6"
    & skf21("2","4","3","1","6","7","6","1") = "6"
    & skf21("2","4","3","1","6","7","7","1") = "6"
    & skf21("2","4","3","1","7","1","1","1") = "6"
    & skf21("2","4","3","1","7","1","2","1") = "6"
    & skf21("2","4","3","1","7","1","3","1") = "6"
    & skf21("2","4","3","1","7","1","4","1") = "6"
    & skf21("2","4","3","1","7","1","5","1") = "6"
    & skf21("2","4","3","1","7","1","6","1") = "6"
    & skf21("2","4","3","1","7","1","7","1") = "6"
    & skf21("2","4","3","1","7","2","1","1") = "6"
    & skf21("2","4","3","1","7","2","2","1") = "6"
    & skf21("2","4","3","1","7","2","3","1") = "6"
    & skf21("2","4","3","1","7","2","4","1") = "6"
    & skf21("2","4","3","1","7","2","5","1") = "6"
    & skf21("2","4","3","1","7","2","6","1") = "6"
    & skf21("2","4","3","1","7","2","7","1") = "6"
    & skf21("2","4","3","1","7","3","1","1") = "6"
    & skf21("2","4","3","1","7","3","2","1") = "6"
    & skf21("2","4","3","1","7","3","3","1") = "6"
    & skf21("2","4","3","1","7","3","4","1") = "6"
    & skf21("2","4","3","1","7","3","5","1") = "6"
    & skf21("2","4","3","1","7","3","6","1") = "6"
    & skf21("2","4","3","1","7","3","7","1") = "6"
    & skf21("2","4","3","1","7","4","1","1") = "6"
    & skf21("2","4","3","1","7","4","2","1") = "6"
    & skf21("2","4","3","1","7","4","3","1") = "6"
    & skf21("2","4","3","1","7","4","4","1") = "6"
    & skf21("2","4","3","1","7","4","5","1") = "6"
    & skf21("2","4","3","1","7","4","6","1") = "6"
    & skf21("2","4","3","1","7","4","7","1") = "6"
    & skf21("2","4","3","1","7","5","1","1") = "6"
    & skf21("2","4","3","1","7","5","2","1") = "6"
    & skf21("2","4","3","1","7","5","3","1") = "6"
    & skf21("2","4","3","1","7","5","4","1") = "6"
    & skf21("2","4","3","1","7","5","5","1") = "6"
    & skf21("2","4","3","1","7","5","6","1") = "6"
    & skf21("2","4","3","1","7","5","7","1") = "6"
    & skf21("2","4","3","1","7","6","1","1") = "6"
    & skf21("2","4","3","1","7","6","2","1") = "6"
    & skf21("2","4","3","1","7","6","3","1") = "6"
    & skf21("2","4","3","1","7","6","4","1") = "6"
    & skf21("2","4","3","1","7","6","5","1") = "6"
    & skf21("2","4","3","1","7","6","6","1") = "6"
    & skf21("2","4","3","1","7","6","7","1") = "6"
    & skf21("2","4","3","1","7","7","1","1") = "6"
    & skf21("2","4","3","1","7","7","2","1") = "6"
    & skf21("2","4","3","1","7","7","3","1") = "6"
    & skf21("2","4","3","1","7","7","4","1") = "6"
    & skf21("2","4","3","1","7","7","5","1") = "6"
    & skf21("2","4","3","1","7","7","6","1") = "6"
    & skf21("2","4","3","1","7","7","7","1") = "6"
    & skf21("2","4","3","2","1","1","1","1") = "3"
    & skf21("2","4","3","2","1","1","2","1") = "3"
    & skf21("2","4","3","2","1","1","3","1") = "3"
    & skf21("2","4","3","2","1","1","4","1") = "3"
    & skf21("2","4","3","2","1","1","5","1") = "4"
    & skf21("2","4","3","2","1","1","6","1") = "5"
    & skf21("2","4","3","2","1","1","7","1") = "6"
    & skf21("2","4","3","2","1","2","1","1") = "3"
    & skf21("2","4","3","2","1","2","2","1") = "3"
    & skf21("2","4","3","2","1","2","3","1") = "3"
    & skf21("2","4","3","2","1","2","4","1") = "3"
    & skf21("2","4","3","2","1","2","5","1") = "4"
    & skf21("2","4","3","2","1","2","6","1") = "5"
    & skf21("2","4","3","2","1","2","7","1") = "6"
    & skf21("2","4","3","2","1","3","1","1") = "3"
    & skf21("2","4","3","2","1","3","2","1") = "3"
    & skf21("2","4","3","2","1","3","3","1") = "3"
    & skf21("2","4","3","2","1","3","4","1") = "3"
    & skf21("2","4","3","2","1","3","5","1") = "4"
    & skf21("2","4","3","2","1","3","6","1") = "5"
    & skf21("2","4","3","2","1","3","7","1") = "6"
    & skf21("2","4","3","2","1","4","1","1") = "3"
    & skf21("2","4","3","2","1","4","2","1") = "3"
    & skf21("2","4","3","2","1","4","3","1") = "3"
    & skf21("2","4","3","2","1","4","4","1") = "3"
    & skf21("2","4","3","2","1","4","5","1") = "4"
    & skf21("2","4","3","2","1","4","6","1") = "5"
    & skf21("2","4","3","2","1","4","7","1") = "6"
    & skf21("2","4","3","2","1","5","1","1") = "4"
    & skf21("2","4","3","2","1","5","2","1") = "4"
    & skf21("2","4","3","2","1","5","3","1") = "4"
    & skf21("2","4","3","2","1","5","4","1") = "4"
    & skf21("2","4","3","2","1","5","5","1") = "4"
    & skf21("2","4","3","2","1","5","6","1") = "5"
    & skf21("2","4","3","2","1","5","7","1") = "6"
    & skf21("2","4","3","2","1","6","1","1") = "5"
    & skf21("2","4","3","2","1","6","2","1") = "5"
    & skf21("2","4","3","2","1","6","3","1") = "5"
    & skf21("2","4","3","2","1","6","4","1") = "5"
    & skf21("2","4","3","2","1","6","5","1") = "5"
    & skf21("2","4","3","2","1","6","6","1") = "5"
    & skf21("2","4","3","2","1","6","7","1") = "6"
    & skf21("2","4","3","2","1","7","1","1") = "6"
    & skf21("2","4","3","2","1","7","2","1") = "6"
    & skf21("2","4","3","2","1","7","3","1") = "6"
    & skf21("2","4","3","2","1","7","4","1") = "6"
    & skf21("2","4","3","2","1","7","5","1") = "6"
    & skf21("2","4","3","2","1","7","6","1") = "6"
    & skf21("2","4","3","2","1","7","7","1") = "6"
    & skf21("2","4","3","2","2","1","1","1") = "3"
    & skf21("2","4","3","2","2","1","2","1") = "3"
    & skf21("2","4","3","2","2","1","3","1") = "3"
    & skf21("2","4","3","2","2","1","4","1") = "3"
    & skf21("2","4","3","2","2","1","5","1") = "4"
    & skf21("2","4","3","2","2","1","6","1") = "5"
    & skf21("2","4","3","2","2","1","7","1") = "6"
    & skf21("2","4","3","2","2","2","1","1") = "3"
    & skf21("2","4","3","2","2","2","2","1") = "3"
    & skf21("2","4","3","2","2","2","3","1") = "3"
    & skf21("2","4","3","2","2","2","4","1") = "3"
    & skf21("2","4","3","2","2","2","5","1") = "4"
    & skf21("2","4","3","2","2","2","6","1") = "5"
    & skf21("2","4","3","2","2","2","7","1") = "6"
    & skf21("2","4","3","2","2","3","1","1") = "3"
    & skf21("2","4","3","2","2","3","2","1") = "3"
    & skf21("2","4","3","2","2","3","3","1") = "3"
    & skf21("2","4","3","2","2","3","4","1") = "3"
    & skf21("2","4","3","2","2","3","5","1") = "4"
    & skf21("2","4","3","2","2","3","6","1") = "5"
    & skf21("2","4","3","2","2","3","7","1") = "6"
    & skf21("2","4","3","2","2","4","1","1") = "3"
    & skf21("2","4","3","2","2","4","2","1") = "3"
    & skf21("2","4","3","2","2","4","3","1") = "3"
    & skf21("2","4","3","2","2","4","4","1") = "3"
    & skf21("2","4","3","2","2","4","5","1") = "4"
    & skf21("2","4","3","2","2","4","6","1") = "5"
    & skf21("2","4","3","2","2","4","7","1") = "6"
    & skf21("2","4","3","2","2","5","1","1") = "4"
    & skf21("2","4","3","2","2","5","2","1") = "4"
    & skf21("2","4","3","2","2","5","3","1") = "4"
    & skf21("2","4","3","2","2","5","4","1") = "4"
    & skf21("2","4","3","2","2","5","5","1") = "4"
    & skf21("2","4","3","2","2","5","6","1") = "5"
    & skf21("2","4","3","2","2","5","7","1") = "6"
    & skf21("2","4","3","2","2","6","1","1") = "5"
    & skf21("2","4","3","2","2","6","2","1") = "5"
    & skf21("2","4","3","2","2","6","3","1") = "5"
    & skf21("2","4","3","2","2","6","4","1") = "5"
    & skf21("2","4","3","2","2","6","5","1") = "5"
    & skf21("2","4","3","2","2","6","6","1") = "5"
    & skf21("2","4","3","2","2","6","7","1") = "6"
    & skf21("2","4","3","2","2","7","1","1") = "6"
    & skf21("2","4","3","2","2","7","2","1") = "6"
    & skf21("2","4","3","2","2","7","3","1") = "6"
    & skf21("2","4","3","2","2","7","4","1") = "6"
    & skf21("2","4","3","2","2","7","5","1") = "6"
    & skf21("2","4","3","2","2","7","6","1") = "6"
    & skf21("2","4","3","2","2","7","7","1") = "6"
    & skf21("2","4","3","2","3","1","1","1") = "3"
    & skf21("2","4","3","2","3","1","2","1") = "3"
    & skf21("2","4","3","2","3","1","3","1") = "3"
    & skf21("2","4","3","2","3","1","4","1") = "3"
    & skf21("2","4","3","2","3","1","5","1") = "4"
    & skf21("2","4","3","2","3","1","6","1") = "5"
    & skf21("2","4","3","2","3","1","7","1") = "6"
    & skf21("2","4","3","2","3","2","1","1") = "3"
    & skf21("2","4","3","2","3","2","2","1") = "3"
    & skf21("2","4","3","2","3","2","3","1") = "3"
    & skf21("2","4","3","2","3","2","4","1") = "3"
    & skf21("2","4","3","2","3","2","5","1") = "4"
    & skf21("2","4","3","2","3","2","6","1") = "5"
    & skf21("2","4","3","2","3","2","7","1") = "6"
    & skf21("2","4","3","2","3","3","1","1") = "3"
    & skf21("2","4","3","2","3","3","2","1") = "3"
    & skf21("2","4","3","2","3","3","3","1") = "3"
    & skf21("2","4","3","2","3","3","4","1") = "3"
    & skf21("2","4","3","2","3","3","5","1") = "4"
    & skf21("2","4","3","2","3","3","6","1") = "5"
    & skf21("2","4","3","2","3","3","7","1") = "6"
    & skf21("2","4","3","2","3","4","1","1") = "3"
    & skf21("2","4","3","2","3","4","2","1") = "3"
    & skf21("2","4","3","2","3","4","3","1") = "3"
    & skf21("2","4","3","2","3","4","4","1") = "3"
    & skf21("2","4","3","2","3","4","5","1") = "4"
    & skf21("2","4","3","2","3","4","6","1") = "5"
    & skf21("2","4","3","2","3","4","7","1") = "6"
    & skf21("2","4","3","2","3","5","1","1") = "4"
    & skf21("2","4","3","2","3","5","2","1") = "4"
    & skf21("2","4","3","2","3","5","3","1") = "4"
    & skf21("2","4","3","2","3","5","4","1") = "4"
    & skf21("2","4","3","2","3","5","5","1") = "4"
    & skf21("2","4","3","2","3","5","6","1") = "5"
    & skf21("2","4","3","2","3","5","7","1") = "6"
    & skf21("2","4","3","2","3","6","1","1") = "5"
    & skf21("2","4","3","2","3","6","2","1") = "5"
    & skf21("2","4","3","2","3","6","3","1") = "5"
    & skf21("2","4","3","2","3","6","4","1") = "5"
    & skf21("2","4","3","2","3","6","5","1") = "5"
    & skf21("2","4","3","2","3","6","6","1") = "5"
    & skf21("2","4","3","2","3","6","7","1") = "6"
    & skf21("2","4","3","2","3","7","1","1") = "6"
    & skf21("2","4","3","2","3","7","2","1") = "6"
    & skf21("2","4","3","2","3","7","3","1") = "6"
    & skf21("2","4","3","2","3","7","4","1") = "6"
    & skf21("2","4","3","2","3","7","5","1") = "6"
    & skf21("2","4","3","2","3","7","6","1") = "6"
    & skf21("2","4","3","2","3","7","7","1") = "6"
    & skf21("2","4","3","2","4","1","1","1") = "3"
    & skf21("2","4","3","2","4","1","2","1") = "3"
    & skf21("2","4","3","2","4","1","3","1") = "3"
    & skf21("2","4","3","2","4","1","4","1") = "3"
    & skf21("2","4","3","2","4","1","5","1") = "4"
    & skf21("2","4","3","2","4","1","6","1") = "5"
    & skf21("2","4","3","2","4","1","7","1") = "6"
    & skf21("2","4","3","2","4","2","1","1") = "3"
    & skf21("2","4","3","2","4","2","2","1") = "3"
    & skf21("2","4","3","2","4","2","3","1") = "3"
    & skf21("2","4","3","2","4","2","4","1") = "3"
    & skf21("2","4","3","2","4","2","5","1") = "4"
    & skf21("2","4","3","2","4","2","6","1") = "5"
    & skf21("2","4","3","2","4","2","7","1") = "6"
    & skf21("2","4","3","2","4","3","1","1") = "3"
    & skf21("2","4","3","2","4","3","2","1") = "3"
    & skf21("2","4","3","2","4","3","3","1") = "3"
    & skf21("2","4","3","2","4","3","4","1") = "3"
    & skf21("2","4","3","2","4","3","5","1") = "4"
    & skf21("2","4","3","2","4","3","6","1") = "5"
    & skf21("2","4","3","2","4","3","7","1") = "6"
    & skf21("2","4","3","2","4","4","1","1") = "3"
    & skf21("2","4","3","2","4","4","2","1") = "3"
    & skf21("2","4","3","2","4","4","3","1") = "3"
    & skf21("2","4","3","2","4","4","4","1") = "3"
    & skf21("2","4","3","2","4","4","5","1") = "4"
    & skf21("2","4","3","2","4","4","6","1") = "5"
    & skf21("2","4","3","2","4","4","7","1") = "6"
    & skf21("2","4","3","2","4","5","1","1") = "4"
    & skf21("2","4","3","2","4","5","2","1") = "4"
    & skf21("2","4","3","2","4","5","3","1") = "4"
    & skf21("2","4","3","2","4","5","4","1") = "4"
    & skf21("2","4","3","2","4","5","5","1") = "4"
    & skf21("2","4","3","2","4","5","6","1") = "5"
    & skf21("2","4","3","2","4","5","7","1") = "6"
    & skf21("2","4","3","2","4","6","1","1") = "5"
    & skf21("2","4","3","2","4","6","2","1") = "5"
    & skf21("2","4","3","2","4","6","3","1") = "5"
    & skf21("2","4","3","2","4","6","4","1") = "5"
    & skf21("2","4","3","2","4","6","5","1") = "5"
    & skf21("2","4","3","2","4","6","6","1") = "5"
    & skf21("2","4","3","2","4","6","7","1") = "6"
    & skf21("2","4","3","2","4","7","1","1") = "6"
    & skf21("2","4","3","2","4","7","2","1") = "6"
    & skf21("2","4","3","2","4","7","3","1") = "6"
    & skf21("2","4","3","2","4","7","4","1") = "6"
    & skf21("2","4","3","2","4","7","5","1") = "6"
    & skf21("2","4","3","2","4","7","6","1") = "6"
    & skf21("2","4","3","2","4","7","7","1") = "6"
    & skf21("2","4","3","2","5","1","1","1") = "4"
    & skf21("2","4","3","2","5","1","2","1") = "4"
    & skf21("2","4","3","2","5","1","3","1") = "4"
    & skf21("2","4","3","2","5","1","4","1") = "4"
    & skf21("2","4","3","2","5","1","5","1") = "4"
    & skf21("2","4","3","2","5","1","6","1") = "5"
    & skf21("2","4","3","2","5","1","7","1") = "6"
    & skf21("2","4","3","2","5","2","1","1") = "4"
    & skf21("2","4","3","2","5","2","2","1") = "4"
    & skf21("2","4","3","2","5","2","3","1") = "4"
    & skf21("2","4","3","2","5","2","4","1") = "4"
    & skf21("2","4","3","2","5","2","5","1") = "4"
    & skf21("2","4","3","2","5","2","6","1") = "5"
    & skf21("2","4","3","2","5","2","7","1") = "6"
    & skf21("2","4","3","2","5","3","1","1") = "4"
    & skf21("2","4","3","2","5","3","2","1") = "4"
    & skf21("2","4","3","2","5","3","3","1") = "4"
    & skf21("2","4","3","2","5","3","4","1") = "4"
    & skf21("2","4","3","2","5","3","5","1") = "4"
    & skf21("2","4","3","2","5","3","6","1") = "5"
    & skf21("2","4","3","2","5","3","7","1") = "6"
    & skf21("2","4","3","2","5","4","1","1") = "4"
    & skf21("2","4","3","2","5","4","2","1") = "4"
    & skf21("2","4","3","2","5","4","3","1") = "4"
    & skf21("2","4","3","2","5","4","4","1") = "4"
    & skf21("2","4","3","2","5","4","5","1") = "4"
    & skf21("2","4","3","2","5","4","6","1") = "5"
    & skf21("2","4","3","2","5","4","7","1") = "6"
    & skf21("2","4","3","2","5","5","1","1") = "4"
    & skf21("2","4","3","2","5","5","2","1") = "4"
    & skf21("2","4","3","2","5","5","3","1") = "4"
    & skf21("2","4","3","2","5","5","4","1") = "4"
    & skf21("2","4","3","2","5","5","5","1") = "4"
    & skf21("2","4","3","2","5","5","6","1") = "5"
    & skf21("2","4","3","2","5","5","7","1") = "6"
    & skf21("2","4","3","2","5","6","1","1") = "5"
    & skf21("2","4","3","2","5","6","2","1") = "5"
    & skf21("2","4","3","2","5","6","3","1") = "5"
    & skf21("2","4","3","2","5","6","4","1") = "5"
    & skf21("2","4","3","2","5","6","5","1") = "5"
    & skf21("2","4","3","2","5","6","6","1") = "5"
    & skf21("2","4","3","2","5","6","7","1") = "6"
    & skf21("2","4","3","2","5","7","1","1") = "6"
    & skf21("2","4","3","2","5","7","2","1") = "6"
    & skf21("2","4","3","2","5","7","3","1") = "6"
    & skf21("2","4","3","2","5","7","4","1") = "6"
    & skf21("2","4","3","2","5","7","5","1") = "6"
    & skf21("2","4","3","2","5","7","6","1") = "6"
    & skf21("2","4","3","2","5","7","7","1") = "6"
    & skf21("2","4","3","2","6","1","1","1") = "5"
    & skf21("2","4","3","2","6","1","2","1") = "5"
    & skf21("2","4","3","2","6","1","3","1") = "5"
    & skf21("2","4","3","2","6","1","4","1") = "5"
    & skf21("2","4","3","2","6","1","5","1") = "5"
    & skf21("2","4","3","2","6","1","6","1") = "5"
    & skf21("2","4","3","2","6","1","7","1") = "6"
    & skf21("2","4","3","2","6","2","1","1") = "5"
    & skf21("2","4","3","2","6","2","2","1") = "5"
    & skf21("2","4","3","2","6","2","3","1") = "5"
    & skf21("2","4","3","2","6","2","4","1") = "5"
    & skf21("2","4","3","2","6","2","5","1") = "5"
    & skf21("2","4","3","2","6","2","6","1") = "5"
    & skf21("2","4","3","2","6","2","7","1") = "6"
    & skf21("2","4","3","2","6","3","1","1") = "5"
    & skf21("2","4","3","2","6","3","2","1") = "5"
    & skf21("2","4","3","2","6","3","3","1") = "5"
    & skf21("2","4","3","2","6","3","4","1") = "5"
    & skf21("2","4","3","2","6","3","5","1") = "5"
    & skf21("2","4","3","2","6","3","6","1") = "5"
    & skf21("2","4","3","2","6","3","7","1") = "6"
    & skf21("2","4","3","2","6","4","1","1") = "5"
    & skf21("2","4","3","2","6","4","2","1") = "5"
    & skf21("2","4","3","2","6","4","3","1") = "5"
    & skf21("2","4","3","2","6","4","4","1") = "5"
    & skf21("2","4","3","2","6","4","5","1") = "5"
    & skf21("2","4","3","2","6","4","6","1") = "5"
    & skf21("2","4","3","2","6","4","7","1") = "6"
    & skf21("2","4","3","2","6","5","1","1") = "5"
    & skf21("2","4","3","2","6","5","2","1") = "5"
    & skf21("2","4","3","2","6","5","3","1") = "5"
    & skf21("2","4","3","2","6","5","4","1") = "5"
    & skf21("2","4","3","2","6","5","5","1") = "5"
    & skf21("2","4","3","2","6","5","6","1") = "5"
    & skf21("2","4","3","2","6","5","7","1") = "6"
    & skf21("2","4","3","2","6","6","1","1") = "5"
    & skf21("2","4","3","2","6","6","2","1") = "5"
    & skf21("2","4","3","2","6","6","3","1") = "5"
    & skf21("2","4","3","2","6","6","4","1") = "5"
    & skf21("2","4","3","2","6","6","5","1") = "5"
    & skf21("2","4","3","2","6","6","6","1") = "5"
    & skf21("2","4","3","2","6","6","7","1") = "6"
    & skf21("2","4","3","2","6","7","1","1") = "6"
    & skf21("2","4","3","2","6","7","2","1") = "6"
    & skf21("2","4","3","2","6","7","3","1") = "6"
    & skf21("2","4","3","2","6","7","4","1") = "6"
    & skf21("2","4","3","2","6","7","5","1") = "6"
    & skf21("2","4","3","2","6","7","6","1") = "6"
    & skf21("2","4","3","2","6","7","7","1") = "6"
    & skf21("2","4","3","2","7","1","1","1") = "6"
    & skf21("2","4","3","2","7","1","2","1") = "6"
    & skf21("2","4","3","2","7","1","3","1") = "6"
    & skf21("2","4","3","2","7","1","4","1") = "6"
    & skf21("2","4","3","2","7","1","5","1") = "6"
    & skf21("2","4","3","2","7","1","6","1") = "6"
    & skf21("2","4","3","2","7","1","7","1") = "6"
    & skf21("2","4","3","2","7","2","1","1") = "6"
    & skf21("2","4","3","2","7","2","2","1") = "6"
    & skf21("2","4","3","2","7","2","3","1") = "6"
    & skf21("2","4","3","2","7","2","4","1") = "6"
    & skf21("2","4","3","2","7","2","5","1") = "6"
    & skf21("2","4","3","2","7","2","6","1") = "6"
    & skf21("2","4","3","2","7","2","7","1") = "6"
    & skf21("2","4","3","2","7","3","1","1") = "6"
    & skf21("2","4","3","2","7","3","2","1") = "6"
    & skf21("2","4","3","2","7","3","3","1") = "6"
    & skf21("2","4","3","2","7","3","4","1") = "6"
    & skf21("2","4","3","2","7","3","5","1") = "6"
    & skf21("2","4","3","2","7","3","6","1") = "6"
    & skf21("2","4","3","2","7","3","7","1") = "6"
    & skf21("2","4","3","2","7","4","1","1") = "6"
    & skf21("2","4","3","2","7","4","2","1") = "6"
    & skf21("2","4","3","2","7","4","3","1") = "6"
    & skf21("2","4","3","2","7","4","4","1") = "6"
    & skf21("2","4","3","2","7","4","5","1") = "6"
    & skf21("2","4","3","2","7","4","6","1") = "6"
    & skf21("2","4","3","2","7","4","7","1") = "6"
    & skf21("2","4","3","2","7","5","1","1") = "6"
    & skf21("2","4","3","2","7","5","2","1") = "6"
    & skf21("2","4","3","2","7","5","3","1") = "6"
    & skf21("2","4","3","2","7","5","4","1") = "6"
    & skf21("2","4","3","2","7","5","5","1") = "6"
    & skf21("2","4","3","2","7","5","6","1") = "6"
    & skf21("2","4","3","2","7","5","7","1") = "6"
    & skf21("2","4","3","2","7","6","1","1") = "6"
    & skf21("2","4","3","2","7","6","2","1") = "6"
    & skf21("2","4","3","2","7","6","3","1") = "6"
    & skf21("2","4","3","2","7","6","4","1") = "6"
    & skf21("2","4","3","2","7","6","5","1") = "6"
    & skf21("2","4","3","2","7","6","6","1") = "6"
    & skf21("2","4","3","2","7","6","7","1") = "6"
    & skf21("2","4","3","2","7","7","1","1") = "6"
    & skf21("2","4","3","2","7","7","2","1") = "6"
    & skf21("2","4","3","2","7","7","3","1") = "6"
    & skf21("2","4","3","2","7","7","4","1") = "6"
    & skf21("2","4","3","2","7","7","5","1") = "6"
    & skf21("2","4","3","2","7","7","6","1") = "6"
    & skf21("2","4","3","2","7","7","7","1") = "6"
    & skf21("2","4","3","3","1","1","1","1") = "3"
    & skf21("2","4","3","3","1","1","2","1") = "3"
    & skf21("2","4","3","3","1","1","3","1") = "3"
    & skf21("2","4","3","3","1","1","4","1") = "3"
    & skf21("2","4","3","3","1","1","5","1") = "4"
    & skf21("2","4","3","3","1","1","6","1") = "5"
    & skf21("2","4","3","3","1","1","7","1") = "6"
    & skf21("2","4","3","3","1","2","1","1") = "3"
    & skf21("2","4","3","3","1","2","2","1") = "3"
    & skf21("2","4","3","3","1","2","3","1") = "3"
    & skf21("2","4","3","3","1","2","4","1") = "3"
    & skf21("2","4","3","3","1","2","5","1") = "4"
    & skf21("2","4","3","3","1","2","6","1") = "5"
    & skf21("2","4","3","3","1","2","7","1") = "6"
    & skf21("2","4","3","3","1","3","1","1") = "3"
    & skf21("2","4","3","3","1","3","2","1") = "3"
    & skf21("2","4","3","3","1","3","3","1") = "3"
    & skf21("2","4","3","3","1","3","4","1") = "3"
    & skf21("2","4","3","3","1","3","5","1") = "4"
    & skf21("2","4","3","3","1","3","6","1") = "5"
    & skf21("2","4","3","3","1","3","7","1") = "6"
    & skf21("2","4","3","3","1","4","1","1") = "3"
    & skf21("2","4","3","3","1","4","2","1") = "3"
    & skf21("2","4","3","3","1","4","3","1") = "3"
    & skf21("2","4","3","3","1","4","4","1") = "3"
    & skf21("2","4","3","3","1","4","5","1") = "4"
    & skf21("2","4","3","3","1","4","6","1") = "5"
    & skf21("2","4","3","3","1","4","7","1") = "6"
    & skf21("2","4","3","3","1","5","1","1") = "4"
    & skf21("2","4","3","3","1","5","2","1") = "4"
    & skf21("2","4","3","3","1","5","3","1") = "4"
    & skf21("2","4","3","3","1","5","4","1") = "4"
    & skf21("2","4","3","3","1","5","5","1") = "4"
    & skf21("2","4","3","3","1","5","6","1") = "5"
    & skf21("2","4","3","3","1","5","7","1") = "6"
    & skf21("2","4","3","3","1","6","1","1") = "5"
    & skf21("2","4","3","3","1","6","2","1") = "5"
    & skf21("2","4","3","3","1","6","3","1") = "5"
    & skf21("2","4","3","3","1","6","4","1") = "5"
    & skf21("2","4","3","3","1","6","5","1") = "5"
    & skf21("2","4","3","3","1","6","6","1") = "5"
    & skf21("2","4","3","3","1","6","7","1") = "6"
    & skf21("2","4","3","3","1","7","1","1") = "6"
    & skf21("2","4","3","3","1","7","2","1") = "6"
    & skf21("2","4","3","3","1","7","3","1") = "6"
    & skf21("2","4","3","3","1","7","4","1") = "6"
    & skf21("2","4","3","3","1","7","5","1") = "6"
    & skf21("2","4","3","3","1","7","6","1") = "6"
    & skf21("2","4","3","3","1","7","7","1") = "6"
    & skf21("2","4","3","3","2","1","1","1") = "3"
    & skf21("2","4","3","3","2","1","2","1") = "3"
    & skf21("2","4","3","3","2","1","3","1") = "3"
    & skf21("2","4","3","3","2","1","4","1") = "3"
    & skf21("2","4","3","3","2","1","5","1") = "4"
    & skf21("2","4","3","3","2","1","6","1") = "5"
    & skf21("2","4","3","3","2","1","7","1") = "6"
    & skf21("2","4","3","3","2","2","1","1") = "3"
    & skf21("2","4","3","3","2","2","2","1") = "3"
    & skf21("2","4","3","3","2","2","3","1") = "3"
    & skf21("2","4","3","3","2","2","4","1") = "3"
    & skf21("2","4","3","3","2","2","5","1") = "4"
    & skf21("2","4","3","3","2","2","6","1") = "5"
    & skf21("2","4","3","3","2","2","7","1") = "6"
    & skf21("2","4","3","3","2","3","1","1") = "3"
    & skf21("2","4","3","3","2","3","2","1") = "3"
    & skf21("2","4","3","3","2","3","3","1") = "3"
    & skf21("2","4","3","3","2","3","4","1") = "3"
    & skf21("2","4","3","3","2","3","5","1") = "4"
    & skf21("2","4","3","3","2","3","6","1") = "5"
    & skf21("2","4","3","3","2","3","7","1") = "6"
    & skf21("2","4","3","3","2","4","1","1") = "3"
    & skf21("2","4","3","3","2","4","2","1") = "3"
    & skf21("2","4","3","3","2","4","3","1") = "3"
    & skf21("2","4","3","3","2","4","4","1") = "3"
    & skf21("2","4","3","3","2","4","5","1") = "4"
    & skf21("2","4","3","3","2","4","6","1") = "5"
    & skf21("2","4","3","3","2","4","7","1") = "6"
    & skf21("2","4","3","3","2","5","1","1") = "4"
    & skf21("2","4","3","3","2","5","2","1") = "4"
    & skf21("2","4","3","3","2","5","3","1") = "4"
    & skf21("2","4","3","3","2","5","4","1") = "4"
    & skf21("2","4","3","3","2","5","5","1") = "4"
    & skf21("2","4","3","3","2","5","6","1") = "5"
    & skf21("2","4","3","3","2","5","7","1") = "6"
    & skf21("2","4","3","3","2","6","1","1") = "5"
    & skf21("2","4","3","3","2","6","2","1") = "5"
    & skf21("2","4","3","3","2","6","3","1") = "5"
    & skf21("2","4","3","3","2","6","4","1") = "5"
    & skf21("2","4","3","3","2","6","5","1") = "5"
    & skf21("2","4","3","3","2","6","6","1") = "5"
    & skf21("2","4","3","3","2","6","7","1") = "6"
    & skf21("2","4","3","3","2","7","1","1") = "6"
    & skf21("2","4","3","3","2","7","2","1") = "6"
    & skf21("2","4","3","3","2","7","3","1") = "6"
    & skf21("2","4","3","3","2","7","4","1") = "6"
    & skf21("2","4","3","3","2","7","5","1") = "6"
    & skf21("2","4","3","3","2","7","6","1") = "6"
    & skf21("2","4","3","3","2","7","7","1") = "6"
    & skf21("2","4","3","3","3","1","1","1") = "3"
    & skf21("2","4","3","3","3","1","2","1") = "3"
    & skf21("2","4","3","3","3","1","3","1") = "3"
    & skf21("2","4","3","3","3","1","4","1") = "3"
    & skf21("2","4","3","3","3","1","5","1") = "4"
    & skf21("2","4","3","3","3","1","6","1") = "5"
    & skf21("2","4","3","3","3","1","7","1") = "6"
    & skf21("2","4","3","3","3","2","1","1") = "3"
    & skf21("2","4","3","3","3","2","2","1") = "3"
    & skf21("2","4","3","3","3","2","3","1") = "3"
    & skf21("2","4","3","3","3","2","4","1") = "3"
    & skf21("2","4","3","3","3","2","5","1") = "4"
    & skf21("2","4","3","3","3","2","6","1") = "5"
    & skf21("2","4","3","3","3","2","7","1") = "6"
    & skf21("2","4","3","3","3","3","1","1") = "3"
    & skf21("2","4","3","3","3","3","2","1") = "3"
    & skf21("2","4","3","3","3","3","3","1") = "3"
    & skf21("2","4","3","3","3","3","4","1") = "3"
    & skf21("2","4","3","3","3","3","5","1") = "4"
    & skf21("2","4","3","3","3","3","6","1") = "5"
    & skf21("2","4","3","3","3","3","7","1") = "6"
    & skf21("2","4","3","3","3","4","1","1") = "3"
    & skf21("2","4","3","3","3","4","2","1") = "3"
    & skf21("2","4","3","3","3","4","3","1") = "3"
    & skf21("2","4","3","3","3","4","4","1") = "3"
    & skf21("2","4","3","3","3","4","5","1") = "4"
    & skf21("2","4","3","3","3","4","6","1") = "5"
    & skf21("2","4","3","3","3","4","7","1") = "6"
    & skf21("2","4","3","3","3","5","1","1") = "4"
    & skf21("2","4","3","3","3","5","2","1") = "4"
    & skf21("2","4","3","3","3","5","3","1") = "4"
    & skf21("2","4","3","3","3","5","4","1") = "4"
    & skf21("2","4","3","3","3","5","5","1") = "4"
    & skf21("2","4","3","3","3","5","6","1") = "5"
    & skf21("2","4","3","3","3","5","7","1") = "6"
    & skf21("2","4","3","3","3","6","1","1") = "5"
    & skf21("2","4","3","3","3","6","2","1") = "5"
    & skf21("2","4","3","3","3","6","3","1") = "5"
    & skf21("2","4","3","3","3","6","4","1") = "5"
    & skf21("2","4","3","3","3","6","5","1") = "5"
    & skf21("2","4","3","3","3","6","6","1") = "5"
    & skf21("2","4","3","3","3","6","7","1") = "6"
    & skf21("2","4","3","3","3","7","1","1") = "6"
    & skf21("2","4","3","3","3","7","2","1") = "6"
    & skf21("2","4","3","3","3","7","3","1") = "6"
    & skf21("2","4","3","3","3","7","4","1") = "6"
    & skf21("2","4","3","3","3","7","5","1") = "6"
    & skf21("2","4","3","3","3","7","6","1") = "6"
    & skf21("2","4","3","3","3","7","7","1") = "6"
    & skf21("2","4","3","3","4","1","1","1") = "3"
    & skf21("2","4","3","3","4","1","2","1") = "3"
    & skf21("2","4","3","3","4","1","3","1") = "3"
    & skf21("2","4","3","3","4","1","4","1") = "3"
    & skf21("2","4","3","3","4","1","5","1") = "4"
    & skf21("2","4","3","3","4","1","6","1") = "5"
    & skf21("2","4","3","3","4","1","7","1") = "6"
    & skf21("2","4","3","3","4","2","1","1") = "3"
    & skf21("2","4","3","3","4","2","2","1") = "3"
    & skf21("2","4","3","3","4","2","3","1") = "3"
    & skf21("2","4","3","3","4","2","4","1") = "3"
    & skf21("2","4","3","3","4","2","5","1") = "4"
    & skf21("2","4","3","3","4","2","6","1") = "5"
    & skf21("2","4","3","3","4","2","7","1") = "6"
    & skf21("2","4","3","3","4","3","1","1") = "3"
    & skf21("2","4","3","3","4","3","2","1") = "3"
    & skf21("2","4","3","3","4","3","3","1") = "3"
    & skf21("2","4","3","3","4","3","4","1") = "3"
    & skf21("2","4","3","3","4","3","5","1") = "4"
    & skf21("2","4","3","3","4","3","6","1") = "5"
    & skf21("2","4","3","3","4","3","7","1") = "6"
    & skf21("2","4","3","3","4","4","1","1") = "3"
    & skf21("2","4","3","3","4","4","2","1") = "3"
    & skf21("2","4","3","3","4","4","3","1") = "3"
    & skf21("2","4","3","3","4","4","4","1") = "3"
    & skf21("2","4","3","3","4","4","5","1") = "4"
    & skf21("2","4","3","3","4","4","6","1") = "5"
    & skf21("2","4","3","3","4","4","7","1") = "6"
    & skf21("2","4","3","3","4","5","1","1") = "4"
    & skf21("2","4","3","3","4","5","2","1") = "4"
    & skf21("2","4","3","3","4","5","3","1") = "4"
    & skf21("2","4","3","3","4","5","4","1") = "4"
    & skf21("2","4","3","3","4","5","5","1") = "4"
    & skf21("2","4","3","3","4","5","6","1") = "5"
    & skf21("2","4","3","3","4","5","7","1") = "6"
    & skf21("2","4","3","3","4","6","1","1") = "5"
    & skf21("2","4","3","3","4","6","2","1") = "5"
    & skf21("2","4","3","3","4","6","3","1") = "5"
    & skf21("2","4","3","3","4","6","4","1") = "5"
    & skf21("2","4","3","3","4","6","5","1") = "5"
    & skf21("2","4","3","3","4","6","6","1") = "5"
    & skf21("2","4","3","3","4","6","7","1") = "6"
    & skf21("2","4","3","3","4","7","1","1") = "6"
    & skf21("2","4","3","3","4","7","2","1") = "6"
    & skf21("2","4","3","3","4","7","3","1") = "6"
    & skf21("2","4","3","3","4","7","4","1") = "6"
    & skf21("2","4","3","3","4","7","5","1") = "6"
    & skf21("2","4","3","3","4","7","6","1") = "6"
    & skf21("2","4","3","3","4","7","7","1") = "6"
    & skf21("2","4","3","3","5","1","1","1") = "4"
    & skf21("2","4","3","3","5","1","2","1") = "4"
    & skf21("2","4","3","3","5","1","3","1") = "4"
    & skf21("2","4","3","3","5","1","4","1") = "4"
    & skf21("2","4","3","3","5","1","5","1") = "4"
    & skf21("2","4","3","3","5","1","6","1") = "5"
    & skf21("2","4","3","3","5","1","7","1") = "6"
    & skf21("2","4","3","3","5","2","1","1") = "4"
    & skf21("2","4","3","3","5","2","2","1") = "4"
    & skf21("2","4","3","3","5","2","3","1") = "4"
    & skf21("2","4","3","3","5","2","4","1") = "4"
    & skf21("2","4","3","3","5","2","5","1") = "4"
    & skf21("2","4","3","3","5","2","6","1") = "5"
    & skf21("2","4","3","3","5","2","7","1") = "6"
    & skf21("2","4","3","3","5","3","1","1") = "4"
    & skf21("2","4","3","3","5","3","2","1") = "4"
    & skf21("2","4","3","3","5","3","3","1") = "4"
    & skf21("2","4","3","3","5","3","4","1") = "4"
    & skf21("2","4","3","3","5","3","5","1") = "4"
    & skf21("2","4","3","3","5","3","6","1") = "5"
    & skf21("2","4","3","3","5","3","7","1") = "6"
    & skf21("2","4","3","3","5","4","1","1") = "4"
    & skf21("2","4","3","3","5","4","2","1") = "4"
    & skf21("2","4","3","3","5","4","3","1") = "4"
    & skf21("2","4","3","3","5","4","4","1") = "4"
    & skf21("2","4","3","3","5","4","5","1") = "4"
    & skf21("2","4","3","3","5","4","6","1") = "5"
    & skf21("2","4","3","3","5","4","7","1") = "6"
    & skf21("2","4","3","3","5","5","1","1") = "4"
    & skf21("2","4","3","3","5","5","2","1") = "4"
    & skf21("2","4","3","3","5","5","3","1") = "4"
    & skf21("2","4","3","3","5","5","4","1") = "4"
    & skf21("2","4","3","3","5","5","5","1") = "4"
    & skf21("2","4","3","3","5","5","6","1") = "5"
    & skf21("2","4","3","3","5","5","7","1") = "6"
    & skf21("2","4","3","3","5","6","1","1") = "5"
    & skf21("2","4","3","3","5","6","2","1") = "5"
    & skf21("2","4","3","3","5","6","3","1") = "5"
    & skf21("2","4","3","3","5","6","4","1") = "5"
    & skf21("2","4","3","3","5","6","5","1") = "5"
    & skf21("2","4","3","3","5","6","6","1") = "5"
    & skf21("2","4","3","3","5","6","7","1") = "6"
    & skf21("2","4","3","3","5","7","1","1") = "6"
    & skf21("2","4","3","3","5","7","2","1") = "6"
    & skf21("2","4","3","3","5","7","3","1") = "6"
    & skf21("2","4","3","3","5","7","4","1") = "6"
    & skf21("2","4","3","3","5","7","5","1") = "6"
    & skf21("2","4","3","3","5","7","6","1") = "6"
    & skf21("2","4","3","3","5","7","7","1") = "6"
    & skf21("2","4","3","3","6","1","1","1") = "5"
    & skf21("2","4","3","3","6","1","2","1") = "5"
    & skf21("2","4","3","3","6","1","3","1") = "5"
    & skf21("2","4","3","3","6","1","4","1") = "5"
    & skf21("2","4","3","3","6","1","5","1") = "5"
    & skf21("2","4","3","3","6","1","6","1") = "5"
    & skf21("2","4","3","3","6","1","7","1") = "6"
    & skf21("2","4","3","3","6","2","1","1") = "5"
    & skf21("2","4","3","3","6","2","2","1") = "5"
    & skf21("2","4","3","3","6","2","3","1") = "5"
    & skf21("2","4","3","3","6","2","4","1") = "5"
    & skf21("2","4","3","3","6","2","5","1") = "5"
    & skf21("2","4","3","3","6","2","6","1") = "5"
    & skf21("2","4","3","3","6","2","7","1") = "6"
    & skf21("2","4","3","3","6","3","1","1") = "5"
    & skf21("2","4","3","3","6","3","2","1") = "5"
    & skf21("2","4","3","3","6","3","3","1") = "5"
    & skf21("2","4","3","3","6","3","4","1") = "5"
    & skf21("2","4","3","3","6","3","5","1") = "5"
    & skf21("2","4","3","3","6","3","6","1") = "5"
    & skf21("2","4","3","3","6","3","7","1") = "6"
    & skf21("2","4","3","3","6","4","1","1") = "5"
    & skf21("2","4","3","3","6","4","2","1") = "5"
    & skf21("2","4","3","3","6","4","3","1") = "5"
    & skf21("2","4","3","3","6","4","4","1") = "5"
    & skf21("2","4","3","3","6","4","5","1") = "5"
    & skf21("2","4","3","3","6","4","6","1") = "5"
    & skf21("2","4","3","3","6","4","7","1") = "6"
    & skf21("2","4","3","3","6","5","1","1") = "5"
    & skf21("2","4","3","3","6","5","2","1") = "5"
    & skf21("2","4","3","3","6","5","3","1") = "5"
    & skf21("2","4","3","3","6","5","4","1") = "5"
    & skf21("2","4","3","3","6","5","5","1") = "5"
    & skf21("2","4","3","3","6","5","6","1") = "5"
    & skf21("2","4","3","3","6","5","7","1") = "6"
    & skf21("2","4","3","3","6","6","1","1") = "5"
    & skf21("2","4","3","3","6","6","2","1") = "5"
    & skf21("2","4","3","3","6","6","3","1") = "5"
    & skf21("2","4","3","3","6","6","4","1") = "5"
    & skf21("2","4","3","3","6","6","5","1") = "5"
    & skf21("2","4","3","3","6","6","6","1") = "5"
    & skf21("2","4","3","3","6","6","7","1") = "6"
    & skf21("2","4","3","3","6","7","1","1") = "6"
    & skf21("2","4","3","3","6","7","2","1") = "6"
    & skf21("2","4","3","3","6","7","3","1") = "6"
    & skf21("2","4","3","3","6","7","4","1") = "6"
    & skf21("2","4","3","3","6","7","5","1") = "6"
    & skf21("2","4","3","3","6","7","6","1") = "6"
    & skf21("2","4","3","3","6","7","7","1") = "6"
    & skf21("2","4","3","3","7","1","1","1") = "6"
    & skf21("2","4","3","3","7","1","2","1") = "6"
    & skf21("2","4","3","3","7","1","3","1") = "6"
    & skf21("2","4","3","3","7","1","4","1") = "6"
    & skf21("2","4","3","3","7","1","5","1") = "6"
    & skf21("2","4","3","3","7","1","6","1") = "6"
    & skf21("2","4","3","3","7","1","7","1") = "6"
    & skf21("2","4","3","3","7","2","1","1") = "6"
    & skf21("2","4","3","3","7","2","2","1") = "6"
    & skf21("2","4","3","3","7","2","3","1") = "6"
    & skf21("2","4","3","3","7","2","4","1") = "6"
    & skf21("2","4","3","3","7","2","5","1") = "6"
    & skf21("2","4","3","3","7","2","6","1") = "6"
    & skf21("2","4","3","3","7","2","7","1") = "6"
    & skf21("2","4","3","3","7","3","1","1") = "6"
    & skf21("2","4","3","3","7","3","2","1") = "6"
    & skf21("2","4","3","3","7","3","3","1") = "6"
    & skf21("2","4","3","3","7","3","4","1") = "6"
    & skf21("2","4","3","3","7","3","5","1") = "6"
    & skf21("2","4","3","3","7","3","6","1") = "6"
    & skf21("2","4","3","3","7","3","7","1") = "6"
    & skf21("2","4","3","3","7","4","1","1") = "6"
    & skf21("2","4","3","3","7","4","2","1") = "6"
    & skf21("2","4","3","3","7","4","3","1") = "6"
    & skf21("2","4","3","3","7","4","4","1") = "6"
    & skf21("2","4","3","3","7","4","5","1") = "6"
    & skf21("2","4","3","3","7","4","6","1") = "6"
    & skf21("2","4","3","3","7","4","7","1") = "6"
    & skf21("2","4","3","3","7","5","1","1") = "6"
    & skf21("2","4","3","3","7","5","2","1") = "6"
    & skf21("2","4","3","3","7","5","3","1") = "6"
    & skf21("2","4","3","3","7","5","4","1") = "6"
    & skf21("2","4","3","3","7","5","5","1") = "6"
    & skf21("2","4","3","3","7","5","6","1") = "6"
    & skf21("2","4","3","3","7","5","7","1") = "6"
    & skf21("2","4","3","3","7","6","1","1") = "6"
    & skf21("2","4","3","3","7","6","2","1") = "6"
    & skf21("2","4","3","3","7","6","3","1") = "6"
    & skf21("2","4","3","3","7","6","4","1") = "6"
    & skf21("2","4","3","3","7","6","5","1") = "6"
    & skf21("2","4","3","3","7","6","6","1") = "6"
    & skf21("2","4","3","3","7","6","7","1") = "6"
    & skf21("2","4","3","3","7","7","1","1") = "6"
    & skf21("2","4","3","3","7","7","2","1") = "6"
    & skf21("2","4","3","3","7","7","3","1") = "6"
    & skf21("2","4","3","3","7","7","4","1") = "6"
    & skf21("2","4","3","3","7","7","5","1") = "6"
    & skf21("2","4","3","3","7","7","6","1") = "6"
    & skf21("2","4","3","3","7","7","7","1") = "6"
    & skf21("2","4","3","4","1","1","1","1") = "3"
    & skf21("2","4","3","4","1","1","2","1") = "3"
    & skf21("2","4","3","4","1","1","3","1") = "3"
    & skf21("2","4","3","4","1","1","4","1") = "3"
    & skf21("2","4","3","4","1","1","5","1") = "4"
    & skf21("2","4","3","4","1","1","6","1") = "5"
    & skf21("2","4","3","4","1","1","7","1") = "6"
    & skf21("2","4","3","4","1","2","1","1") = "3"
    & skf21("2","4","3","4","1","2","2","1") = "3"
    & skf21("2","4","3","4","1","2","3","1") = "3"
    & skf21("2","4","3","4","1","2","4","1") = "3"
    & skf21("2","4","3","4","1","2","5","1") = "4"
    & skf21("2","4","3","4","1","2","6","1") = "5"
    & skf21("2","4","3","4","1","2","7","1") = "6"
    & skf21("2","4","3","4","1","3","1","1") = "3"
    & skf21("2","4","3","4","1","3","2","1") = "3"
    & skf21("2","4","3","4","1","3","3","1") = "3"
    & skf21("2","4","3","4","1","3","4","1") = "3"
    & skf21("2","4","3","4","1","3","5","1") = "4"
    & skf21("2","4","3","4","1","3","6","1") = "5"
    & skf21("2","4","3","4","1","3","7","1") = "6"
    & skf21("2","4","3","4","1","4","1","1") = "3"
    & skf21("2","4","3","4","1","4","2","1") = "3"
    & skf21("2","4","3","4","1","4","3","1") = "3"
    & skf21("2","4","3","4","1","4","4","1") = "3"
    & skf21("2","4","3","4","1","4","5","1") = "4"
    & skf21("2","4","3","4","1","4","6","1") = "5"
    & skf21("2","4","3","4","1","4","7","1") = "6"
    & skf21("2","4","3","4","1","5","1","1") = "4"
    & skf21("2","4","3","4","1","5","2","1") = "4"
    & skf21("2","4","3","4","1","5","3","1") = "4"
    & skf21("2","4","3","4","1","5","4","1") = "4"
    & skf21("2","4","3","4","1","5","5","1") = "4"
    & skf21("2","4","3","4","1","5","6","1") = "5"
    & skf21("2","4","3","4","1","5","7","1") = "6"
    & skf21("2","4","3","4","1","6","1","1") = "5"
    & skf21("2","4","3","4","1","6","2","1") = "5"
    & skf21("2","4","3","4","1","6","3","1") = "5"
    & skf21("2","4","3","4","1","6","4","1") = "5"
    & skf21("2","4","3","4","1","6","5","1") = "5"
    & skf21("2","4","3","4","1","6","6","1") = "5"
    & skf21("2","4","3","4","1","6","7","1") = "6"
    & skf21("2","4","3","4","1","7","1","1") = "6"
    & skf21("2","4","3","4","1","7","2","1") = "6"
    & skf21("2","4","3","4","1","7","3","1") = "6"
    & skf21("2","4","3","4","1","7","4","1") = "6"
    & skf21("2","4","3","4","1","7","5","1") = "6"
    & skf21("2","4","3","4","1","7","6","1") = "6"
    & skf21("2","4","3","4","1","7","7","1") = "6"
    & skf21("2","4","3","4","2","1","1","1") = "3"
    & skf21("2","4","3","4","2","1","2","1") = "3"
    & skf21("2","4","3","4","2","1","3","1") = "3"
    & skf21("2","4","3","4","2","1","4","1") = "3"
    & skf21("2","4","3","4","2","1","5","1") = "4"
    & skf21("2","4","3","4","2","1","6","1") = "5"
    & skf21("2","4","3","4","2","1","7","1") = "6"
    & skf21("2","4","3","4","2","2","1","1") = "3"
    & skf21("2","4","3","4","2","2","2","1") = "3"
    & skf21("2","4","3","4","2","2","3","1") = "3"
    & skf21("2","4","3","4","2","2","4","1") = "3"
    & skf21("2","4","3","4","2","2","5","1") = "4"
    & skf21("2","4","3","4","2","2","6","1") = "5"
    & skf21("2","4","3","4","2","2","7","1") = "6"
    & skf21("2","4","3","4","2","3","1","1") = "3"
    & skf21("2","4","3","4","2","3","2","1") = "3"
    & skf21("2","4","3","4","2","3","3","1") = "3"
    & skf21("2","4","3","4","2","3","4","1") = "3"
    & skf21("2","4","3","4","2","3","5","1") = "4"
    & skf21("2","4","3","4","2","3","6","1") = "5"
    & skf21("2","4","3","4","2","3","7","1") = "6"
    & skf21("2","4","3","4","2","4","1","1") = "3"
    & skf21("2","4","3","4","2","4","2","1") = "3"
    & skf21("2","4","3","4","2","4","3","1") = "3"
    & skf21("2","4","3","4","2","4","4","1") = "3"
    & skf21("2","4","3","4","2","4","5","1") = "4"
    & skf21("2","4","3","4","2","4","6","1") = "5"
    & skf21("2","4","3","4","2","4","7","1") = "6"
    & skf21("2","4","3","4","2","5","1","1") = "4"
    & skf21("2","4","3","4","2","5","2","1") = "4"
    & skf21("2","4","3","4","2","5","3","1") = "4"
    & skf21("2","4","3","4","2","5","4","1") = "4"
    & skf21("2","4","3","4","2","5","5","1") = "4"
    & skf21("2","4","3","4","2","5","6","1") = "5"
    & skf21("2","4","3","4","2","5","7","1") = "6"
    & skf21("2","4","3","4","2","6","1","1") = "5"
    & skf21("2","4","3","4","2","6","2","1") = "5"
    & skf21("2","4","3","4","2","6","3","1") = "5"
    & skf21("2","4","3","4","2","6","4","1") = "5"
    & skf21("2","4","3","4","2","6","5","1") = "5"
    & skf21("2","4","3","4","2","6","6","1") = "5"
    & skf21("2","4","3","4","2","6","7","1") = "6"
    & skf21("2","4","3","4","2","7","1","1") = "6"
    & skf21("2","4","3","4","2","7","2","1") = "6"
    & skf21("2","4","3","4","2","7","3","1") = "6"
    & skf21("2","4","3","4","2","7","4","1") = "6"
    & skf21("2","4","3","4","2","7","5","1") = "6"
    & skf21("2","4","3","4","2","7","6","1") = "6"
    & skf21("2","4","3","4","2","7","7","1") = "6"
    & skf21("2","4","3","4","3","1","1","1") = "3"
    & skf21("2","4","3","4","3","1","2","1") = "3"
    & skf21("2","4","3","4","3","1","3","1") = "3"
    & skf21("2","4","3","4","3","1","4","1") = "3"
    & skf21("2","4","3","4","3","1","5","1") = "4"
    & skf21("2","4","3","4","3","1","6","1") = "5"
    & skf21("2","4","3","4","3","1","7","1") = "6"
    & skf21("2","4","3","4","3","2","1","1") = "3"
    & skf21("2","4","3","4","3","2","2","1") = "3"
    & skf21("2","4","3","4","3","2","3","1") = "3"
    & skf21("2","4","3","4","3","2","4","1") = "3"
    & skf21("2","4","3","4","3","2","5","1") = "4"
    & skf21("2","4","3","4","3","2","6","1") = "5"
    & skf21("2","4","3","4","3","2","7","1") = "6"
    & skf21("2","4","3","4","3","3","1","1") = "3"
    & skf21("2","4","3","4","3","3","2","1") = "3"
    & skf21("2","4","3","4","3","3","3","1") = "3"
    & skf21("2","4","3","4","3","3","4","1") = "3"
    & skf21("2","4","3","4","3","3","5","1") = "4"
    & skf21("2","4","3","4","3","3","6","1") = "5"
    & skf21("2","4","3","4","3","3","7","1") = "6"
    & skf21("2","4","3","4","3","4","1","1") = "3"
    & skf21("2","4","3","4","3","4","2","1") = "3"
    & skf21("2","4","3","4","3","4","3","1") = "3"
    & skf21("2","4","3","4","3","4","4","1") = "3"
    & skf21("2","4","3","4","3","4","5","1") = "4"
    & skf21("2","4","3","4","3","4","6","1") = "5"
    & skf21("2","4","3","4","3","4","7","1") = "6"
    & skf21("2","4","3","4","3","5","1","1") = "4"
    & skf21("2","4","3","4","3","5","2","1") = "4"
    & skf21("2","4","3","4","3","5","3","1") = "4"
    & skf21("2","4","3","4","3","5","4","1") = "4"
    & skf21("2","4","3","4","3","5","5","1") = "4"
    & skf21("2","4","3","4","3","5","6","1") = "5"
    & skf21("2","4","3","4","3","5","7","1") = "6"
    & skf21("2","4","3","4","3","6","1","1") = "5"
    & skf21("2","4","3","4","3","6","2","1") = "5"
    & skf21("2","4","3","4","3","6","3","1") = "5"
    & skf21("2","4","3","4","3","6","4","1") = "5"
    & skf21("2","4","3","4","3","6","5","1") = "5"
    & skf21("2","4","3","4","3","6","6","1") = "5"
    & skf21("2","4","3","4","3","6","7","1") = "6"
    & skf21("2","4","3","4","3","7","1","1") = "6"
    & skf21("2","4","3","4","3","7","2","1") = "6"
    & skf21("2","4","3","4","3","7","3","1") = "6"
    & skf21("2","4","3","4","3","7","4","1") = "6"
    & skf21("2","4","3","4","3","7","5","1") = "6"
    & skf21("2","4","3","4","3","7","6","1") = "6"
    & skf21("2","4","3","4","3","7","7","1") = "6"
    & skf21("2","4","3","4","4","1","1","1") = "3"
    & skf21("2","4","3","4","4","1","2","1") = "3"
    & skf21("2","4","3","4","4","1","3","1") = "3"
    & skf21("2","4","3","4","4","1","4","1") = "3"
    & skf21("2","4","3","4","4","1","5","1") = "4"
    & skf21("2","4","3","4","4","1","6","1") = "5"
    & skf21("2","4","3","4","4","1","7","1") = "6"
    & skf21("2","4","3","4","4","2","1","1") = "3"
    & skf21("2","4","3","4","4","2","2","1") = "3"
    & skf21("2","4","3","4","4","2","3","1") = "3"
    & skf21("2","4","3","4","4","2","4","1") = "3"
    & skf21("2","4","3","4","4","2","5","1") = "4"
    & skf21("2","4","3","4","4","2","6","1") = "5"
    & skf21("2","4","3","4","4","2","7","1") = "6"
    & skf21("2","4","3","4","4","3","1","1") = "3"
    & skf21("2","4","3","4","4","3","2","1") = "3"
    & skf21("2","4","3","4","4","3","3","1") = "3"
    & skf21("2","4","3","4","4","3","4","1") = "3"
    & skf21("2","4","3","4","4","3","5","1") = "4"
    & skf21("2","4","3","4","4","3","6","1") = "5"
    & skf21("2","4","3","4","4","3","7","1") = "6"
    & skf21("2","4","3","4","4","4","1","1") = "3"
    & skf21("2","4","3","4","4","4","2","1") = "3"
    & skf21("2","4","3","4","4","4","3","1") = "3"
    & skf21("2","4","3","4","4","4","4","1") = "3"
    & skf21("2","4","3","4","4","4","5","1") = "4"
    & skf21("2","4","3","4","4","4","6","1") = "5"
    & skf21("2","4","3","4","4","4","7","1") = "6"
    & skf21("2","4","3","4","4","5","1","1") = "4"
    & skf21("2","4","3","4","4","5","2","1") = "4"
    & skf21("2","4","3","4","4","5","3","1") = "4"
    & skf21("2","4","3","4","4","5","4","1") = "4"
    & skf21("2","4","3","4","4","5","5","1") = "4"
    & skf21("2","4","3","4","4","5","6","1") = "5"
    & skf21("2","4","3","4","4","5","7","1") = "6"
    & skf21("2","4","3","4","4","6","1","1") = "5"
    & skf21("2","4","3","4","4","6","2","1") = "5"
    & skf21("2","4","3","4","4","6","3","1") = "5"
    & skf21("2","4","3","4","4","6","4","1") = "5"
    & skf21("2","4","3","4","4","6","5","1") = "5"
    & skf21("2","4","3","4","4","6","6","1") = "5"
    & skf21("2","4","3","4","4","6","7","1") = "6"
    & skf21("2","4","3","4","4","7","1","1") = "6"
    & skf21("2","4","3","4","4","7","2","1") = "6"
    & skf21("2","4","3","4","4","7","3","1") = "6"
    & skf21("2","4","3","4","4","7","4","1") = "6"
    & skf21("2","4","3","4","4","7","5","1") = "6"
    & skf21("2","4","3","4","4","7","6","1") = "6"
    & skf21("2","4","3","4","4","7","7","1") = "6"
    & skf21("2","4","3","4","5","1","1","1") = "4"
    & skf21("2","4","3","4","5","1","2","1") = "4"
    & skf21("2","4","3","4","5","1","3","1") = "4"
    & skf21("2","4","3","4","5","1","4","1") = "4"
    & skf21("2","4","3","4","5","1","5","1") = "4"
    & skf21("2","4","3","4","5","1","6","1") = "5"
    & skf21("2","4","3","4","5","1","7","1") = "6"
    & skf21("2","4","3","4","5","2","1","1") = "4"
    & skf21("2","4","3","4","5","2","2","1") = "4"
    & skf21("2","4","3","4","5","2","3","1") = "4"
    & skf21("2","4","3","4","5","2","4","1") = "4"
    & skf21("2","4","3","4","5","2","5","1") = "4"
    & skf21("2","4","3","4","5","2","6","1") = "5"
    & skf21("2","4","3","4","5","2","7","1") = "6"
    & skf21("2","4","3","4","5","3","1","1") = "4"
    & skf21("2","4","3","4","5","3","2","1") = "4"
    & skf21("2","4","3","4","5","3","3","1") = "4"
    & skf21("2","4","3","4","5","3","4","1") = "4"
    & skf21("2","4","3","4","5","3","5","1") = "4"
    & skf21("2","4","3","4","5","3","6","1") = "5"
    & skf21("2","4","3","4","5","3","7","1") = "6"
    & skf21("2","4","3","4","5","4","1","1") = "4"
    & skf21("2","4","3","4","5","4","2","1") = "4"
    & skf21("2","4","3","4","5","4","3","1") = "4"
    & skf21("2","4","3","4","5","4","4","1") = "4"
    & skf21("2","4","3","4","5","4","5","1") = "4"
    & skf21("2","4","3","4","5","4","6","1") = "5"
    & skf21("2","4","3","4","5","4","7","1") = "6"
    & skf21("2","4","3","4","5","5","1","1") = "4"
    & skf21("2","4","3","4","5","5","2","1") = "4"
    & skf21("2","4","3","4","5","5","3","1") = "4"
    & skf21("2","4","3","4","5","5","4","1") = "4"
    & skf21("2","4","3","4","5","5","5","1") = "4"
    & skf21("2","4","3","4","5","5","6","1") = "5"
    & skf21("2","4","3","4","5","5","7","1") = "6"
    & skf21("2","4","3","4","5","6","1","1") = "5"
    & skf21("2","4","3","4","5","6","2","1") = "5"
    & skf21("2","4","3","4","5","6","3","1") = "5"
    & skf21("2","4","3","4","5","6","4","1") = "5"
    & skf21("2","4","3","4","5","6","5","1") = "5"
    & skf21("2","4","3","4","5","6","6","1") = "5"
    & skf21("2","4","3","4","5","6","7","1") = "6"
    & skf21("2","4","3","4","5","7","1","1") = "6"
    & skf21("2","4","3","4","5","7","2","1") = "6"
    & skf21("2","4","3","4","5","7","3","1") = "6"
    & skf21("2","4","3","4","5","7","4","1") = "6"
    & skf21("2","4","3","4","5","7","5","1") = "6"
    & skf21("2","4","3","4","5","7","6","1") = "6"
    & skf21("2","4","3","4","5","7","7","1") = "6"
    & skf21("2","4","3","4","6","1","1","1") = "5"
    & skf21("2","4","3","4","6","1","2","1") = "5"
    & skf21("2","4","3","4","6","1","3","1") = "5"
    & skf21("2","4","3","4","6","1","4","1") = "5"
    & skf21("2","4","3","4","6","1","5","1") = "5"
    & skf21("2","4","3","4","6","1","6","1") = "5"
    & skf21("2","4","3","4","6","1","7","1") = "6"
    & skf21("2","4","3","4","6","2","1","1") = "5"
    & skf21("2","4","3","4","6","2","2","1") = "5"
    & skf21("2","4","3","4","6","2","3","1") = "5"
    & skf21("2","4","3","4","6","2","4","1") = "5"
    & skf21("2","4","3","4","6","2","5","1") = "5"
    & skf21("2","4","3","4","6","2","6","1") = "5"
    & skf21("2","4","3","4","6","2","7","1") = "6"
    & skf21("2","4","3","4","6","3","1","1") = "5"
    & skf21("2","4","3","4","6","3","2","1") = "5"
    & skf21("2","4","3","4","6","3","3","1") = "5"
    & skf21("2","4","3","4","6","3","4","1") = "5"
    & skf21("2","4","3","4","6","3","5","1") = "5"
    & skf21("2","4","3","4","6","3","6","1") = "5"
    & skf21("2","4","3","4","6","3","7","1") = "6"
    & skf21("2","4","3","4","6","4","1","1") = "5"
    & skf21("2","4","3","4","6","4","2","1") = "5"
    & skf21("2","4","3","4","6","4","3","1") = "5"
    & skf21("2","4","3","4","6","4","4","1") = "5"
    & skf21("2","4","3","4","6","4","5","1") = "5"
    & skf21("2","4","3","4","6","4","6","1") = "5"
    & skf21("2","4","3","4","6","4","7","1") = "6"
    & skf21("2","4","3","4","6","5","1","1") = "5"
    & skf21("2","4","3","4","6","5","2","1") = "5"
    & skf21("2","4","3","4","6","5","3","1") = "5"
    & skf21("2","4","3","4","6","5","4","1") = "5"
    & skf21("2","4","3","4","6","5","5","1") = "5"
    & skf21("2","4","3","4","6","5","6","1") = "5"
    & skf21("2","4","3","4","6","5","7","1") = "6"
    & skf21("2","4","3","4","6","6","1","1") = "5"
    & skf21("2","4","3","4","6","6","2","1") = "5"
    & skf21("2","4","3","4","6","6","3","1") = "5"
    & skf21("2","4","3","4","6","6","4","1") = "5"
    & skf21("2","4","3","4","6","6","5","1") = "5"
    & skf21("2","4","3","4","6","6","6","1") = "5"
    & skf21("2","4","3","4","6","6","7","1") = "6"
    & skf21("2","4","3","4","6","7","1","1") = "6"
    & skf21("2","4","3","4","6","7","2","1") = "6"
    & skf21("2","4","3","4","6","7","3","1") = "6"
    & skf21("2","4","3","4","6","7","4","1") = "6"
    & skf21("2","4","3","4","6","7","5","1") = "6"
    & skf21("2","4","3","4","6","7","6","1") = "6"
    & skf21("2","4","3","4","6","7","7","1") = "6"
    & skf21("2","4","3","4","7","1","1","1") = "6"
    & skf21("2","4","3","4","7","1","2","1") = "6"
    & skf21("2","4","3","4","7","1","3","1") = "6"
    & skf21("2","4","3","4","7","1","4","1") = "6"
    & skf21("2","4","3","4","7","1","5","1") = "6"
    & skf21("2","4","3","4","7","1","6","1") = "6"
    & skf21("2","4","3","4","7","1","7","1") = "6"
    & skf21("2","4","3","4","7","2","1","1") = "6"
    & skf21("2","4","3","4","7","2","2","1") = "6"
    & skf21("2","4","3","4","7","2","3","1") = "6"
    & skf21("2","4","3","4","7","2","4","1") = "6"
    & skf21("2","4","3","4","7","2","5","1") = "6"
    & skf21("2","4","3","4","7","2","6","1") = "6"
    & skf21("2","4","3","4","7","2","7","1") = "6"
    & skf21("2","4","3","4","7","3","1","1") = "6"
    & skf21("2","4","3","4","7","3","2","1") = "6"
    & skf21("2","4","3","4","7","3","3","1") = "6"
    & skf21("2","4","3","4","7","3","4","1") = "6"
    & skf21("2","4","3","4","7","3","5","1") = "6"
    & skf21("2","4","3","4","7","3","6","1") = "6"
    & skf21("2","4","3","4","7","3","7","1") = "6"
    & skf21("2","4","3","4","7","4","1","1") = "6"
    & skf21("2","4","3","4","7","4","2","1") = "6"
    & skf21("2","4","3","4","7","4","3","1") = "6"
    & skf21("2","4","3","4","7","4","4","1") = "6"
    & skf21("2","4","3","4","7","4","5","1") = "6"
    & skf21("2","4","3","4","7","4","6","1") = "6"
    & skf21("2","4","3","4","7","4","7","1") = "6"
    & skf21("2","4","3","4","7","5","1","1") = "6"
    & skf21("2","4","3","4","7","5","2","1") = "6"
    & skf21("2","4","3","4","7","5","3","1") = "6"
    & skf21("2","4","3","4","7","5","4","1") = "6"
    & skf21("2","4","3","4","7","5","5","1") = "6"
    & skf21("2","4","3","4","7","5","6","1") = "6"
    & skf21("2","4","3","4","7","5","7","1") = "6"
    & skf21("2","4","3","4","7","6","1","1") = "6"
    & skf21("2","4","3","4","7","6","2","1") = "6"
    & skf21("2","4","3","4","7","6","3","1") = "6"
    & skf21("2","4","3","4","7","6","4","1") = "6"
    & skf21("2","4","3","4","7","6","5","1") = "6"
    & skf21("2","4","3","4","7","6","6","1") = "6"
    & skf21("2","4","3","4","7","6","7","1") = "6"
    & skf21("2","4","3","4","7","7","1","1") = "6"
    & skf21("2","4","3","4","7","7","2","1") = "6"
    & skf21("2","4","3","4","7","7","3","1") = "6"
    & skf21("2","4","3","4","7","7","4","1") = "6"
    & skf21("2","4","3","4","7","7","5","1") = "6"
    & skf21("2","4","3","4","7","7","6","1") = "6"
    & skf21("2","4","3","4","7","7","7","1") = "6"
    & skf21("2","4","3","5","1","1","1","1") = "4"
    & skf21("2","4","3","5","1","1","2","1") = "4"
    & skf21("2","4","3","5","1","1","3","1") = "4"
    & skf21("2","4","3","5","1","1","4","1") = "4"
    & skf21("2","4","3","5","1","1","5","1") = "4"
    & skf21("2","4","3","5","1","1","6","1") = "5"
    & skf21("2","4","3","5","1","1","7","1") = "6"
    & skf21("2","4","3","5","1","2","1","1") = "4"
    & skf21("2","4","3","5","1","2","2","1") = "4"
    & skf21("2","4","3","5","1","2","3","1") = "4"
    & skf21("2","4","3","5","1","2","4","1") = "4"
    & skf21("2","4","3","5","1","2","5","1") = "4"
    & skf21("2","4","3","5","1","2","6","1") = "5"
    & skf21("2","4","3","5","1","2","7","1") = "6"
    & skf21("2","4","3","5","1","3","1","1") = "4"
    & skf21("2","4","3","5","1","3","2","1") = "4"
    & skf21("2","4","3","5","1","3","3","1") = "4"
    & skf21("2","4","3","5","1","3","4","1") = "4"
    & skf21("2","4","3","5","1","3","5","1") = "4"
    & skf21("2","4","3","5","1","3","6","1") = "5"
    & skf21("2","4","3","5","1","3","7","1") = "6"
    & skf21("2","4","3","5","1","4","1","1") = "4"
    & skf21("2","4","3","5","1","4","2","1") = "4"
    & skf21("2","4","3","5","1","4","3","1") = "4"
    & skf21("2","4","3","5","1","4","4","1") = "4"
    & skf21("2","4","3","5","1","4","5","1") = "4"
    & skf21("2","4","3","5","1","4","6","1") = "5"
    & skf21("2","4","3","5","1","4","7","1") = "6"
    & skf21("2","4","3","5","1","5","1","1") = "4"
    & skf21("2","4","3","5","1","5","2","1") = "4"
    & skf21("2","4","3","5","1","5","3","1") = "4"
    & skf21("2","4","3","5","1","5","4","1") = "4"
    & skf21("2","4","3","5","1","5","5","1") = "4"
    & skf21("2","4","3","5","1","5","6","1") = "5"
    & skf21("2","4","3","5","1","5","7","1") = "6"
    & skf21("2","4","3","5","1","6","1","1") = "5"
    & skf21("2","4","3","5","1","6","2","1") = "5"
    & skf21("2","4","3","5","1","6","3","1") = "5"
    & skf21("2","4","3","5","1","6","4","1") = "5"
    & skf21("2","4","3","5","1","6","5","1") = "5"
    & skf21("2","4","3","5","1","6","6","1") = "5"
    & skf21("2","4","3","5","1","6","7","1") = "6"
    & skf21("2","4","3","5","1","7","1","1") = "6"
    & skf21("2","4","3","5","1","7","2","1") = "6"
    & skf21("2","4","3","5","1","7","3","1") = "6"
    & skf21("2","4","3","5","1","7","4","1") = "6"
    & skf21("2","4","3","5","1","7","5","1") = "6"
    & skf21("2","4","3","5","1","7","6","1") = "6"
    & skf21("2","4","3","5","1","7","7","1") = "6"
    & skf21("2","4","3","5","2","1","1","1") = "4"
    & skf21("2","4","3","5","2","1","2","1") = "4"
    & skf21("2","4","3","5","2","1","3","1") = "4"
    & skf21("2","4","3","5","2","1","4","1") = "4"
    & skf21("2","4","3","5","2","1","5","1") = "4"
    & skf21("2","4","3","5","2","1","6","1") = "5"
    & skf21("2","4","3","5","2","1","7","1") = "6"
    & skf21("2","4","3","5","2","2","1","1") = "4"
    & skf21("2","4","3","5","2","2","2","1") = "4"
    & skf21("2","4","3","5","2","2","3","1") = "4"
    & skf21("2","4","3","5","2","2","4","1") = "4"
    & skf21("2","4","3","5","2","2","5","1") = "4"
    & skf21("2","4","3","5","2","2","6","1") = "5"
    & skf21("2","4","3","5","2","2","7","1") = "6"
    & skf21("2","4","3","5","2","3","1","1") = "4"
    & skf21("2","4","3","5","2","3","2","1") = "4"
    & skf21("2","4","3","5","2","3","3","1") = "4"
    & skf21("2","4","3","5","2","3","4","1") = "4"
    & skf21("2","4","3","5","2","3","5","1") = "4"
    & skf21("2","4","3","5","2","3","6","1") = "5"
    & skf21("2","4","3","5","2","3","7","1") = "6"
    & skf21("2","4","3","5","2","4","1","1") = "4"
    & skf21("2","4","3","5","2","4","2","1") = "4"
    & skf21("2","4","3","5","2","4","3","1") = "4"
    & skf21("2","4","3","5","2","4","4","1") = "4"
    & skf21("2","4","3","5","2","4","5","1") = "4"
    & skf21("2","4","3","5","2","4","6","1") = "5"
    & skf21("2","4","3","5","2","4","7","1") = "6"
    & skf21("2","4","3","5","2","5","1","1") = "4"
    & skf21("2","4","3","5","2","5","2","1") = "4"
    & skf21("2","4","3","5","2","5","3","1") = "4"
    & skf21("2","4","3","5","2","5","4","1") = "4"
    & skf21("2","4","3","5","2","5","5","1") = "4"
    & skf21("2","4","3","5","2","5","6","1") = "5"
    & skf21("2","4","3","5","2","5","7","1") = "6"
    & skf21("2","4","3","5","2","6","1","1") = "5"
    & skf21("2","4","3","5","2","6","2","1") = "5"
    & skf21("2","4","3","5","2","6","3","1") = "5"
    & skf21("2","4","3","5","2","6","4","1") = "5"
    & skf21("2","4","3","5","2","6","5","1") = "5"
    & skf21("2","4","3","5","2","6","6","1") = "5"
    & skf21("2","4","3","5","2","6","7","1") = "6"
    & skf21("2","4","3","5","2","7","1","1") = "6"
    & skf21("2","4","3","5","2","7","2","1") = "6"
    & skf21("2","4","3","5","2","7","3","1") = "6"
    & skf21("2","4","3","5","2","7","4","1") = "6"
    & skf21("2","4","3","5","2","7","5","1") = "6"
    & skf21("2","4","3","5","2","7","6","1") = "6"
    & skf21("2","4","3","5","2","7","7","1") = "6"
    & skf21("2","4","3","5","3","1","1","1") = "4"
    & skf21("2","4","3","5","3","1","2","1") = "4"
    & skf21("2","4","3","5","3","1","3","1") = "4"
    & skf21("2","4","3","5","3","1","4","1") = "4"
    & skf21("2","4","3","5","3","1","5","1") = "4"
    & skf21("2","4","3","5","3","1","6","1") = "5"
    & skf21("2","4","3","5","3","1","7","1") = "6"
    & skf21("2","4","3","5","3","2","1","1") = "4"
    & skf21("2","4","3","5","3","2","2","1") = "4"
    & skf21("2","4","3","5","3","2","3","1") = "4"
    & skf21("2","4","3","5","3","2","4","1") = "4"
    & skf21("2","4","3","5","3","2","5","1") = "4"
    & skf21("2","4","3","5","3","2","6","1") = "5"
    & skf21("2","4","3","5","3","2","7","1") = "6"
    & skf21("2","4","3","5","3","3","1","1") = "4"
    & skf21("2","4","3","5","3","3","2","1") = "4"
    & skf21("2","4","3","5","3","3","3","1") = "4"
    & skf21("2","4","3","5","3","3","4","1") = "4"
    & skf21("2","4","3","5","3","3","5","1") = "4"
    & skf21("2","4","3","5","3","3","6","1") = "5"
    & skf21("2","4","3","5","3","3","7","1") = "6"
    & skf21("2","4","3","5","3","4","1","1") = "4"
    & skf21("2","4","3","5","3","4","2","1") = "4"
    & skf21("2","4","3","5","3","4","3","1") = "4"
    & skf21("2","4","3","5","3","4","4","1") = "4"
    & skf21("2","4","3","5","3","4","5","1") = "4"
    & skf21("2","4","3","5","3","4","6","1") = "5"
    & skf21("2","4","3","5","3","4","7","1") = "6"
    & skf21("2","4","3","5","3","5","1","1") = "4"
    & skf21("2","4","3","5","3","5","2","1") = "4"
    & skf21("2","4","3","5","3","5","3","1") = "4"
    & skf21("2","4","3","5","3","5","4","1") = "4"
    & skf21("2","4","3","5","3","5","5","1") = "4"
    & skf21("2","4","3","5","3","5","6","1") = "5"
    & skf21("2","4","3","5","3","5","7","1") = "6"
    & skf21("2","4","3","5","3","6","1","1") = "5"
    & skf21("2","4","3","5","3","6","2","1") = "5"
    & skf21("2","4","3","5","3","6","3","1") = "5"
    & skf21("2","4","3","5","3","6","4","1") = "5"
    & skf21("2","4","3","5","3","6","5","1") = "5"
    & skf21("2","4","3","5","3","6","6","1") = "5"
    & skf21("2","4","3","5","3","6","7","1") = "6"
    & skf21("2","4","3","5","3","7","1","1") = "6"
    & skf21("2","4","3","5","3","7","2","1") = "6"
    & skf21("2","4","3","5","3","7","3","1") = "6"
    & skf21("2","4","3","5","3","7","4","1") = "6"
    & skf21("2","4","3","5","3","7","5","1") = "6"
    & skf21("2","4","3","5","3","7","6","1") = "6"
    & skf21("2","4","3","5","3","7","7","1") = "6"
    & skf21("2","4","3","5","4","1","1","1") = "4"
    & skf21("2","4","3","5","4","1","2","1") = "4"
    & skf21("2","4","3","5","4","1","3","1") = "4"
    & skf21("2","4","3","5","4","1","4","1") = "4"
    & skf21("2","4","3","5","4","1","5","1") = "4"
    & skf21("2","4","3","5","4","1","6","1") = "5"
    & skf21("2","4","3","5","4","1","7","1") = "6"
    & skf21("2","4","3","5","4","2","1","1") = "4"
    & skf21("2","4","3","5","4","2","2","1") = "4"
    & skf21("2","4","3","5","4","2","3","1") = "4"
    & skf21("2","4","3","5","4","2","4","1") = "4"
    & skf21("2","4","3","5","4","2","5","1") = "4"
    & skf21("2","4","3","5","4","2","6","1") = "5"
    & skf21("2","4","3","5","4","2","7","1") = "6"
    & skf21("2","4","3","5","4","3","1","1") = "4"
    & skf21("2","4","3","5","4","3","2","1") = "4"
    & skf21("2","4","3","5","4","3","3","1") = "4"
    & skf21("2","4","3","5","4","3","4","1") = "4"
    & skf21("2","4","3","5","4","3","5","1") = "4"
    & skf21("2","4","3","5","4","3","6","1") = "5"
    & skf21("2","4","3","5","4","3","7","1") = "6"
    & skf21("2","4","3","5","4","4","1","1") = "4"
    & skf21("2","4","3","5","4","4","2","1") = "4"
    & skf21("2","4","3","5","4","4","3","1") = "4"
    & skf21("2","4","3","5","4","4","4","1") = "4"
    & skf21("2","4","3","5","4","4","5","1") = "4"
    & skf21("2","4","3","5","4","4","6","1") = "5"
    & skf21("2","4","3","5","4","4","7","1") = "6"
    & skf21("2","4","3","5","4","5","1","1") = "4"
    & skf21("2","4","3","5","4","5","2","1") = "4"
    & skf21("2","4","3","5","4","5","3","1") = "4"
    & skf21("2","4","3","5","4","5","4","1") = "4"
    & skf21("2","4","3","5","4","5","5","1") = "4"
    & skf21("2","4","3","5","4","5","6","1") = "5"
    & skf21("2","4","3","5","4","5","7","1") = "6"
    & skf21("2","4","3","5","4","6","1","1") = "5"
    & skf21("2","4","3","5","4","6","2","1") = "5"
    & skf21("2","4","3","5","4","6","3","1") = "5"
    & skf21("2","4","3","5","4","6","4","1") = "5"
    & skf21("2","4","3","5","4","6","5","1") = "5"
    & skf21("2","4","3","5","4","6","6","1") = "5"
    & skf21("2","4","3","5","4","6","7","1") = "6"
    & skf21("2","4","3","5","4","7","1","1") = "6"
    & skf21("2","4","3","5","4","7","2","1") = "6"
    & skf21("2","4","3","5","4","7","3","1") = "6"
    & skf21("2","4","3","5","4","7","4","1") = "6"
    & skf21("2","4","3","5","4","7","5","1") = "6"
    & skf21("2","4","3","5","4","7","6","1") = "6"
    & skf21("2","4","3","5","4","7","7","1") = "6"
    & skf21("2","4","3","5","5","1","1","1") = "4"
    & skf21("2","4","3","5","5","1","2","1") = "4"
    & skf21("2","4","3","5","5","1","3","1") = "4"
    & skf21("2","4","3","5","5","1","4","1") = "4"
    & skf21("2","4","3","5","5","1","5","1") = "4"
    & skf21("2","4","3","5","5","1","6","1") = "5"
    & skf21("2","4","3","5","5","1","7","1") = "6"
    & skf21("2","4","3","5","5","2","1","1") = "4"
    & skf21("2","4","3","5","5","2","2","1") = "4"
    & skf21("2","4","3","5","5","2","3","1") = "4"
    & skf21("2","4","3","5","5","2","4","1") = "4"
    & skf21("2","4","3","5","5","2","5","1") = "4"
    & skf21("2","4","3","5","5","2","6","1") = "5"
    & skf21("2","4","3","5","5","2","7","1") = "6"
    & skf21("2","4","3","5","5","3","1","1") = "4"
    & skf21("2","4","3","5","5","3","2","1") = "4"
    & skf21("2","4","3","5","5","3","3","1") = "4"
    & skf21("2","4","3","5","5","3","4","1") = "4"
    & skf21("2","4","3","5","5","3","5","1") = "4"
    & skf21("2","4","3","5","5","3","6","1") = "5"
    & skf21("2","4","3","5","5","3","7","1") = "6"
    & skf21("2","4","3","5","5","4","1","1") = "4"
    & skf21("2","4","3","5","5","4","2","1") = "4"
    & skf21("2","4","3","5","5","4","3","1") = "4"
    & skf21("2","4","3","5","5","4","4","1") = "4"
    & skf21("2","4","3","5","5","4","5","1") = "4"
    & skf21("2","4","3","5","5","4","6","1") = "5"
    & skf21("2","4","3","5","5","4","7","1") = "6"
    & skf21("2","4","3","5","5","5","1","1") = "4"
    & skf21("2","4","3","5","5","5","2","1") = "4"
    & skf21("2","4","3","5","5","5","3","1") = "4"
    & skf21("2","4","3","5","5","5","4","1") = "4"
    & skf21("2","4","3","5","5","5","5","1") = "4"
    & skf21("2","4","3","5","5","5","6","1") = "5"
    & skf21("2","4","3","5","5","5","7","1") = "6"
    & skf21("2","4","3","5","5","6","1","1") = "5"
    & skf21("2","4","3","5","5","6","2","1") = "5"
    & skf21("2","4","3","5","5","6","3","1") = "5"
    & skf21("2","4","3","5","5","6","4","1") = "5"
    & skf21("2","4","3","5","5","6","5","1") = "5"
    & skf21("2","4","3","5","5","6","6","1") = "5"
    & skf21("2","4","3","5","5","6","7","1") = "6"
    & skf21("2","4","3","5","5","7","1","1") = "6"
    & skf21("2","4","3","5","5","7","2","1") = "6"
    & skf21("2","4","3","5","5","7","3","1") = "6"
    & skf21("2","4","3","5","5","7","4","1") = "6"
    & skf21("2","4","3","5","5","7","5","1") = "6"
    & skf21("2","4","3","5","5","7","6","1") = "6"
    & skf21("2","4","3","5","5","7","7","1") = "6"
    & skf21("2","4","3","5","6","1","1","1") = "5"
    & skf21("2","4","3","5","6","1","2","1") = "5"
    & skf21("2","4","3","5","6","1","3","1") = "5"
    & skf21("2","4","3","5","6","1","4","1") = "5"
    & skf21("2","4","3","5","6","1","5","1") = "5"
    & skf21("2","4","3","5","6","1","6","1") = "5"
    & skf21("2","4","3","5","6","1","7","1") = "6"
    & skf21("2","4","3","5","6","2","1","1") = "5"
    & skf21("2","4","3","5","6","2","2","1") = "5"
    & skf21("2","4","3","5","6","2","3","1") = "5"
    & skf21("2","4","3","5","6","2","4","1") = "5"
    & skf21("2","4","3","5","6","2","5","1") = "5"
    & skf21("2","4","3","5","6","2","6","1") = "5"
    & skf21("2","4","3","5","6","2","7","1") = "6"
    & skf21("2","4","3","5","6","3","1","1") = "5"
    & skf21("2","4","3","5","6","3","2","1") = "5"
    & skf21("2","4","3","5","6","3","3","1") = "5"
    & skf21("2","4","3","5","6","3","4","1") = "5"
    & skf21("2","4","3","5","6","3","5","1") = "5"
    & skf21("2","4","3","5","6","3","6","1") = "5"
    & skf21("2","4","3","5","6","3","7","1") = "6"
    & skf21("2","4","3","5","6","4","1","1") = "5"
    & skf21("2","4","3","5","6","4","2","1") = "5"
    & skf21("2","4","3","5","6","4","3","1") = "5"
    & skf21("2","4","3","5","6","4","4","1") = "5"
    & skf21("2","4","3","5","6","4","5","1") = "5"
    & skf21("2","4","3","5","6","4","6","1") = "5"
    & skf21("2","4","3","5","6","4","7","1") = "6"
    & skf21("2","4","3","5","6","5","1","1") = "5"
    & skf21("2","4","3","5","6","5","2","1") = "5"
    & skf21("2","4","3","5","6","5","3","1") = "5"
    & skf21("2","4","3","5","6","5","4","1") = "5"
    & skf21("2","4","3","5","6","5","5","1") = "5"
    & skf21("2","4","3","5","6","5","6","1") = "5"
    & skf21("2","4","3","5","6","5","7","1") = "6"
    & skf21("2","4","3","5","6","6","1","1") = "5"
    & skf21("2","4","3","5","6","6","2","1") = "5"
    & skf21("2","4","3","5","6","6","3","1") = "5"
    & skf21("2","4","3","5","6","6","4","1") = "5"
    & skf21("2","4","3","5","6","6","5","1") = "5"
    & skf21("2","4","3","5","6","6","6","1") = "5"
    & skf21("2","4","3","5","6","6","7","1") = "6"
    & skf21("2","4","3","5","6","7","1","1") = "6"
    & skf21("2","4","3","5","6","7","2","1") = "6"
    & skf21("2","4","3","5","6","7","3","1") = "6"
    & skf21("2","4","3","5","6","7","4","1") = "6"
    & skf21("2","4","3","5","6","7","5","1") = "6"
    & skf21("2","4","3","5","6","7","6","1") = "6"
    & skf21("2","4","3","5","6","7","7","1") = "6"
    & skf21("2","4","3","5","7","1","1","1") = "6"
    & skf21("2","4","3","5","7","1","2","1") = "6"
    & skf21("2","4","3","5","7","1","3","1") = "6"
    & skf21("2","4","3","5","7","1","4","1") = "6"
    & skf21("2","4","3","5","7","1","5","1") = "6"
    & skf21("2","4","3","5","7","1","6","1") = "6"
    & skf21("2","4","3","5","7","1","7","1") = "6"
    & skf21("2","4","3","5","7","2","1","1") = "6"
    & skf21("2","4","3","5","7","2","2","1") = "6"
    & skf21("2","4","3","5","7","2","3","1") = "6"
    & skf21("2","4","3","5","7","2","4","1") = "6"
    & skf21("2","4","3","5","7","2","5","1") = "6"
    & skf21("2","4","3","5","7","2","6","1") = "6"
    & skf21("2","4","3","5","7","2","7","1") = "6"
    & skf21("2","4","3","5","7","3","1","1") = "6"
    & skf21("2","4","3","5","7","3","2","1") = "6"
    & skf21("2","4","3","5","7","3","3","1") = "6"
    & skf21("2","4","3","5","7","3","4","1") = "6"
    & skf21("2","4","3","5","7","3","5","1") = "6"
    & skf21("2","4","3","5","7","3","6","1") = "6"
    & skf21("2","4","3","5","7","3","7","1") = "6"
    & skf21("2","4","3","5","7","4","1","1") = "6"
    & skf21("2","4","3","5","7","4","2","1") = "6"
    & skf21("2","4","3","5","7","4","3","1") = "6"
    & skf21("2","4","3","5","7","4","4","1") = "6"
    & skf21("2","4","3","5","7","4","5","1") = "6"
    & skf21("2","4","3","5","7","4","6","1") = "6"
    & skf21("2","4","3","5","7","4","7","1") = "6"
    & skf21("2","4","3","5","7","5","1","1") = "6"
    & skf21("2","4","3","5","7","5","2","1") = "6"
    & skf21("2","4","3","5","7","5","3","1") = "6"
    & skf21("2","4","3","5","7","5","4","1") = "6"
    & skf21("2","4","3","5","7","5","5","1") = "6"
    & skf21("2","4","3","5","7","5","6","1") = "6"
    & skf21("2","4","3","5","7","5","7","1") = "6"
    & skf21("2","4","3","5","7","6","1","1") = "6"
    & skf21("2","4","3","5","7","6","2","1") = "6"
    & skf21("2","4","3","5","7","6","3","1") = "6"
    & skf21("2","4","3","5","7","6","4","1") = "6"
    & skf21("2","4","3","5","7","6","5","1") = "6"
    & skf21("2","4","3","5","7","6","6","1") = "6"
    & skf21("2","4","3","5","7","6","7","1") = "6"
    & skf21("2","4","3","5","7","7","1","1") = "6"
    & skf21("2","4","3","5","7","7","2","1") = "6"
    & skf21("2","4","3","5","7","7","3","1") = "6"
    & skf21("2","4","3","5","7","7","4","1") = "6"
    & skf21("2","4","3","5","7","7","5","1") = "6"
    & skf21("2","4","3","5","7","7","6","1") = "6"
    & skf21("2","4","3","5","7","7","7","1") = "6"
    & skf21("2","4","3","6","1","1","1","1") = "5"
    & skf21("2","4","3","6","1","1","2","1") = "5"
    & skf21("2","4","3","6","1","1","3","1") = "5"
    & skf21("2","4","3","6","1","1","4","1") = "5"
    & skf21("2","4","3","6","1","1","5","1") = "5"
    & skf21("2","4","3","6","1","1","6","1") = "5"
    & skf21("2","4","3","6","1","1","7","1") = "6"
    & skf21("2","4","3","6","1","2","1","1") = "5"
    & skf21("2","4","3","6","1","2","2","1") = "5"
    & skf21("2","4","3","6","1","2","3","1") = "5"
    & skf21("2","4","3","6","1","2","4","1") = "5"
    & skf21("2","4","3","6","1","2","5","1") = "5"
    & skf21("2","4","3","6","1","2","6","1") = "5"
    & skf21("2","4","3","6","1","2","7","1") = "6"
    & skf21("2","4","3","6","1","3","1","1") = "5"
    & skf21("2","4","3","6","1","3","2","1") = "5"
    & skf21("2","4","3","6","1","3","3","1") = "5"
    & skf21("2","4","3","6","1","3","4","1") = "5"
    & skf21("2","4","3","6","1","3","5","1") = "5"
    & skf21("2","4","3","6","1","3","6","1") = "5"
    & skf21("2","4","3","6","1","3","7","1") = "6"
    & skf21("2","4","3","6","1","4","1","1") = "5"
    & skf21("2","4","3","6","1","4","2","1") = "5"
    & skf21("2","4","3","6","1","4","3","1") = "5"
    & skf21("2","4","3","6","1","4","4","1") = "5"
    & skf21("2","4","3","6","1","4","5","1") = "5"
    & skf21("2","4","3","6","1","4","6","1") = "5"
    & skf21("2","4","3","6","1","4","7","1") = "6"
    & skf21("2","4","3","6","1","5","1","1") = "5"
    & skf21("2","4","3","6","1","5","2","1") = "5"
    & skf21("2","4","3","6","1","5","3","1") = "5"
    & skf21("2","4","3","6","1","5","4","1") = "5"
    & skf21("2","4","3","6","1","5","5","1") = "5"
    & skf21("2","4","3","6","1","5","6","1") = "5"
    & skf21("2","4","3","6","1","5","7","1") = "6"
    & skf21("2","4","3","6","1","6","1","1") = "5"
    & skf21("2","4","3","6","1","6","2","1") = "5"
    & skf21("2","4","3","6","1","6","3","1") = "5"
    & skf21("2","4","3","6","1","6","4","1") = "5"
    & skf21("2","4","3","6","1","6","5","1") = "5"
    & skf21("2","4","3","6","1","6","6","1") = "5"
    & skf21("2","4","3","6","1","6","7","1") = "6"
    & skf21("2","4","3","6","1","7","1","1") = "6"
    & skf21("2","4","3","6","1","7","2","1") = "6"
    & skf21("2","4","3","6","1","7","3","1") = "6"
    & skf21("2","4","3","6","1","7","4","1") = "6"
    & skf21("2","4","3","6","1","7","5","1") = "6"
    & skf21("2","4","3","6","1","7","6","1") = "6"
    & skf21("2","4","3","6","1","7","7","1") = "6"
    & skf21("2","4","3","6","2","1","1","1") = "5"
    & skf21("2","4","3","6","2","1","2","1") = "5"
    & skf21("2","4","3","6","2","1","3","1") = "5"
    & skf21("2","4","3","6","2","1","4","1") = "5"
    & skf21("2","4","3","6","2","1","5","1") = "5"
    & skf21("2","4","3","6","2","1","6","1") = "5"
    & skf21("2","4","3","6","2","1","7","1") = "6"
    & skf21("2","4","3","6","2","2","1","1") = "5"
    & skf21("2","4","3","6","2","2","2","1") = "5"
    & skf21("2","4","3","6","2","2","3","1") = "5"
    & skf21("2","4","3","6","2","2","4","1") = "5"
    & skf21("2","4","3","6","2","2","5","1") = "5"
    & skf21("2","4","3","6","2","2","6","1") = "5"
    & skf21("2","4","3","6","2","2","7","1") = "6"
    & skf21("2","4","3","6","2","3","1","1") = "5"
    & skf21("2","4","3","6","2","3","2","1") = "5"
    & skf21("2","4","3","6","2","3","3","1") = "5"
    & skf21("2","4","3","6","2","3","4","1") = "5"
    & skf21("2","4","3","6","2","3","5","1") = "5"
    & skf21("2","4","3","6","2","3","6","1") = "5"
    & skf21("2","4","3","6","2","3","7","1") = "6"
    & skf21("2","4","3","6","2","4","1","1") = "5"
    & skf21("2","4","3","6","2","4","2","1") = "5"
    & skf21("2","4","3","6","2","4","3","1") = "5"
    & skf21("2","4","3","6","2","4","4","1") = "5"
    & skf21("2","4","3","6","2","4","5","1") = "5"
    & skf21("2","4","3","6","2","4","6","1") = "5"
    & skf21("2","4","3","6","2","4","7","1") = "6"
    & skf21("2","4","3","6","2","5","1","1") = "5"
    & skf21("2","4","3","6","2","5","2","1") = "5"
    & skf21("2","4","3","6","2","5","3","1") = "5"
    & skf21("2","4","3","6","2","5","4","1") = "5"
    & skf21("2","4","3","6","2","5","5","1") = "5"
    & skf21("2","4","3","6","2","5","6","1") = "5"
    & skf21("2","4","3","6","2","5","7","1") = "6"
    & skf21("2","4","3","6","2","6","1","1") = "5"
    & skf21("2","4","3","6","2","6","2","1") = "5"
    & skf21("2","4","3","6","2","6","3","1") = "5"
    & skf21("2","4","3","6","2","6","4","1") = "5"
    & skf21("2","4","3","6","2","6","5","1") = "5"
    & skf21("2","4","3","6","2","6","6","1") = "5"
    & skf21("2","4","3","6","2","6","7","1") = "6"
    & skf21("2","4","3","6","2","7","1","1") = "6"
    & skf21("2","4","3","6","2","7","2","1") = "6"
    & skf21("2","4","3","6","2","7","3","1") = "6"
    & skf21("2","4","3","6","2","7","4","1") = "6"
    & skf21("2","4","3","6","2","7","5","1") = "6"
    & skf21("2","4","3","6","2","7","6","1") = "6"
    & skf21("2","4","3","6","2","7","7","1") = "6"
    & skf21("2","4","3","6","3","1","1","1") = "5"
    & skf21("2","4","3","6","3","1","2","1") = "5"
    & skf21("2","4","3","6","3","1","3","1") = "5"
    & skf21("2","4","3","6","3","1","4","1") = "5"
    & skf21("2","4","3","6","3","1","5","1") = "5"
    & skf21("2","4","3","6","3","1","6","1") = "5"
    & skf21("2","4","3","6","3","1","7","1") = "6"
    & skf21("2","4","3","6","3","2","1","1") = "5"
    & skf21("2","4","3","6","3","2","2","1") = "5"
    & skf21("2","4","3","6","3","2","3","1") = "5"
    & skf21("2","4","3","6","3","2","4","1") = "5"
    & skf21("2","4","3","6","3","2","5","1") = "5"
    & skf21("2","4","3","6","3","2","6","1") = "5"
    & skf21("2","4","3","6","3","2","7","1") = "6"
    & skf21("2","4","3","6","3","3","1","1") = "5"
    & skf21("2","4","3","6","3","3","2","1") = "5"
    & skf21("2","4","3","6","3","3","3","1") = "5"
    & skf21("2","4","3","6","3","3","4","1") = "5"
    & skf21("2","4","3","6","3","3","5","1") = "5"
    & skf21("2","4","3","6","3","3","6","1") = "5"
    & skf21("2","4","3","6","3","3","7","1") = "6"
    & skf21("2","4","3","6","3","4","1","1") = "5"
    & skf21("2","4","3","6","3","4","2","1") = "5"
    & skf21("2","4","3","6","3","4","3","1") = "5"
    & skf21("2","4","3","6","3","4","4","1") = "5"
    & skf21("2","4","3","6","3","4","5","1") = "5"
    & skf21("2","4","3","6","3","4","6","1") = "5"
    & skf21("2","4","3","6","3","4","7","1") = "6"
    & skf21("2","4","3","6","3","5","1","1") = "5"
    & skf21("2","4","3","6","3","5","2","1") = "5"
    & skf21("2","4","3","6","3","5","3","1") = "5"
    & skf21("2","4","3","6","3","5","4","1") = "5"
    & skf21("2","4","3","6","3","5","5","1") = "5"
    & skf21("2","4","3","6","3","5","6","1") = "5"
    & skf21("2","4","3","6","3","5","7","1") = "6"
    & skf21("2","4","3","6","3","6","1","1") = "5"
    & skf21("2","4","3","6","3","6","2","1") = "5"
    & skf21("2","4","3","6","3","6","3","1") = "5"
    & skf21("2","4","3","6","3","6","4","1") = "5"
    & skf21("2","4","3","6","3","6","5","1") = "5"
    & skf21("2","4","3","6","3","6","6","1") = "5"
    & skf21("2","4","3","6","3","6","7","1") = "6"
    & skf21("2","4","3","6","3","7","1","1") = "6"
    & skf21("2","4","3","6","3","7","2","1") = "6"
    & skf21("2","4","3","6","3","7","3","1") = "6"
    & skf21("2","4","3","6","3","7","4","1") = "6"
    & skf21("2","4","3","6","3","7","5","1") = "6"
    & skf21("2","4","3","6","3","7","6","1") = "6"
    & skf21("2","4","3","6","3","7","7","1") = "6"
    & skf21("2","4","3","6","4","1","1","1") = "5"
    & skf21("2","4","3","6","4","1","2","1") = "5"
    & skf21("2","4","3","6","4","1","3","1") = "5"
    & skf21("2","4","3","6","4","1","4","1") = "5"
    & skf21("2","4","3","6","4","1","5","1") = "5"
    & skf21("2","4","3","6","4","1","6","1") = "5"
    & skf21("2","4","3","6","4","1","7","1") = "6"
    & skf21("2","4","3","6","4","2","1","1") = "5"
    & skf21("2","4","3","6","4","2","2","1") = "5"
    & skf21("2","4","3","6","4","2","3","1") = "5"
    & skf21("2","4","3","6","4","2","4","1") = "5"
    & skf21("2","4","3","6","4","2","5","1") = "5"
    & skf21("2","4","3","6","4","2","6","1") = "5"
    & skf21("2","4","3","6","4","2","7","1") = "6"
    & skf21("2","4","3","6","4","3","1","1") = "5"
    & skf21("2","4","3","6","4","3","2","1") = "5"
    & skf21("2","4","3","6","4","3","3","1") = "5"
    & skf21("2","4","3","6","4","3","4","1") = "5"
    & skf21("2","4","3","6","4","3","5","1") = "5"
    & skf21("2","4","3","6","4","3","6","1") = "5"
    & skf21("2","4","3","6","4","3","7","1") = "6"
    & skf21("2","4","3","6","4","4","1","1") = "5"
    & skf21("2","4","3","6","4","4","2","1") = "5"
    & skf21("2","4","3","6","4","4","3","1") = "5"
    & skf21("2","4","3","6","4","4","4","1") = "5"
    & skf21("2","4","3","6","4","4","5","1") = "5"
    & skf21("2","4","3","6","4","4","6","1") = "5"
    & skf21("2","4","3","6","4","4","7","1") = "6"
    & skf21("2","4","3","6","4","5","1","1") = "5"
    & skf21("2","4","3","6","4","5","2","1") = "5"
    & skf21("2","4","3","6","4","5","3","1") = "5"
    & skf21("2","4","3","6","4","5","4","1") = "5"
    & skf21("2","4","3","6","4","5","5","1") = "5"
    & skf21("2","4","3","6","4","5","6","1") = "5"
    & skf21("2","4","3","6","4","5","7","1") = "6"
    & skf21("2","4","3","6","4","6","1","1") = "5"
    & skf21("2","4","3","6","4","6","2","1") = "5"
    & skf21("2","4","3","6","4","6","3","1") = "5"
    & skf21("2","4","3","6","4","6","4","1") = "5"
    & skf21("2","4","3","6","4","6","5","1") = "5"
    & skf21("2","4","3","6","4","6","6","1") = "5"
    & skf21("2","4","3","6","4","6","7","1") = "6"
    & skf21("2","4","3","6","4","7","1","1") = "6"
    & skf21("2","4","3","6","4","7","2","1") = "6"
    & skf21("2","4","3","6","4","7","3","1") = "6"
    & skf21("2","4","3","6","4","7","4","1") = "6"
    & skf21("2","4","3","6","4","7","5","1") = "6"
    & skf21("2","4","3","6","4","7","6","1") = "6"
    & skf21("2","4","3","6","4","7","7","1") = "6"
    & skf21("2","4","3","6","5","1","1","1") = "5"
    & skf21("2","4","3","6","5","1","2","1") = "5"
    & skf21("2","4","3","6","5","1","3","1") = "5"
    & skf21("2","4","3","6","5","1","4","1") = "5"
    & skf21("2","4","3","6","5","1","5","1") = "5"
    & skf21("2","4","3","6","5","1","6","1") = "5"
    & skf21("2","4","3","6","5","1","7","1") = "6"
    & skf21("2","4","3","6","5","2","1","1") = "5"
    & skf21("2","4","3","6","5","2","2","1") = "5"
    & skf21("2","4","3","6","5","2","3","1") = "5"
    & skf21("2","4","3","6","5","2","4","1") = "5"
    & skf21("2","4","3","6","5","2","5","1") = "5"
    & skf21("2","4","3","6","5","2","6","1") = "5"
    & skf21("2","4","3","6","5","2","7","1") = "6"
    & skf21("2","4","3","6","5","3","1","1") = "5"
    & skf21("2","4","3","6","5","3","2","1") = "5"
    & skf21("2","4","3","6","5","3","3","1") = "5"
    & skf21("2","4","3","6","5","3","4","1") = "5"
    & skf21("2","4","3","6","5","3","5","1") = "5"
    & skf21("2","4","3","6","5","3","6","1") = "5"
    & skf21("2","4","3","6","5","3","7","1") = "6"
    & skf21("2","4","3","6","5","4","1","1") = "5"
    & skf21("2","4","3","6","5","4","2","1") = "5"
    & skf21("2","4","3","6","5","4","3","1") = "5"
    & skf21("2","4","3","6","5","4","4","1") = "5"
    & skf21("2","4","3","6","5","4","5","1") = "5"
    & skf21("2","4","3","6","5","4","6","1") = "5"
    & skf21("2","4","3","6","5","4","7","1") = "6"
    & skf21("2","4","3","6","5","5","1","1") = "5"
    & skf21("2","4","3","6","5","5","2","1") = "5"
    & skf21("2","4","3","6","5","5","3","1") = "5"
    & skf21("2","4","3","6","5","5","4","1") = "5"
    & skf21("2","4","3","6","5","5","5","1") = "5"
    & skf21("2","4","3","6","5","5","6","1") = "5"
    & skf21("2","4","3","6","5","5","7","1") = "6"
    & skf21("2","4","3","6","5","6","1","1") = "5"
    & skf21("2","4","3","6","5","6","2","1") = "5"
    & skf21("2","4","3","6","5","6","3","1") = "5"
    & skf21("2","4","3","6","5","6","4","1") = "5"
    & skf21("2","4","3","6","5","6","5","1") = "5"
    & skf21("2","4","3","6","5","6","6","1") = "5"
    & skf21("2","4","3","6","5","6","7","1") = "6"
    & skf21("2","4","3","6","5","7","1","1") = "6"
    & skf21("2","4","3","6","5","7","2","1") = "6"
    & skf21("2","4","3","6","5","7","3","1") = "6"
    & skf21("2","4","3","6","5","7","4","1") = "6"
    & skf21("2","4","3","6","5","7","5","1") = "6"
    & skf21("2","4","3","6","5","7","6","1") = "6"
    & skf21("2","4","3","6","5","7","7","1") = "6"
    & skf21("2","4","3","6","6","1","1","1") = "5"
    & skf21("2","4","3","6","6","1","2","1") = "5"
    & skf21("2","4","3","6","6","1","3","1") = "5"
    & skf21("2","4","3","6","6","1","4","1") = "5"
    & skf21("2","4","3","6","6","1","5","1") = "5"
    & skf21("2","4","3","6","6","1","6","1") = "5"
    & skf21("2","4","3","6","6","1","7","1") = "6"
    & skf21("2","4","3","6","6","2","1","1") = "5"
    & skf21("2","4","3","6","6","2","2","1") = "5"
    & skf21("2","4","3","6","6","2","3","1") = "5"
    & skf21("2","4","3","6","6","2","4","1") = "5"
    & skf21("2","4","3","6","6","2","5","1") = "5"
    & skf21("2","4","3","6","6","2","6","1") = "5"
    & skf21("2","4","3","6","6","2","7","1") = "6"
    & skf21("2","4","3","6","6","3","1","1") = "5"
    & skf21("2","4","3","6","6","3","2","1") = "5"
    & skf21("2","4","3","6","6","3","3","1") = "5"
    & skf21("2","4","3","6","6","3","4","1") = "5"
    & skf21("2","4","3","6","6","3","5","1") = "5"
    & skf21("2","4","3","6","6","3","6","1") = "5"
    & skf21("2","4","3","6","6","3","7","1") = "6"
    & skf21("2","4","3","6","6","4","1","1") = "5"
    & skf21("2","4","3","6","6","4","2","1") = "5"
    & skf21("2","4","3","6","6","4","3","1") = "5"
    & skf21("2","4","3","6","6","4","4","1") = "5"
    & skf21("2","4","3","6","6","4","5","1") = "5"
    & skf21("2","4","3","6","6","4","6","1") = "5"
    & skf21("2","4","3","6","6","4","7","1") = "6"
    & skf21("2","4","3","6","6","5","1","1") = "5"
    & skf21("2","4","3","6","6","5","2","1") = "5"
    & skf21("2","4","3","6","6","5","3","1") = "5"
    & skf21("2","4","3","6","6","5","4","1") = "5"
    & skf21("2","4","3","6","6","5","5","1") = "5"
    & skf21("2","4","3","6","6","5","6","1") = "5"
    & skf21("2","4","3","6","6","5","7","1") = "6"
    & skf21("2","4","3","6","6","6","1","1") = "5"
    & skf21("2","4","3","6","6","6","2","1") = "5"
    & skf21("2","4","3","6","6","6","3","1") = "5"
    & skf21("2","4","3","6","6","6","4","1") = "5"
    & skf21("2","4","3","6","6","6","5","1") = "5"
    & skf21("2","4","3","6","6","6","6","1") = "5"
    & skf21("2","4","3","6","6","6","7","1") = "6"
    & skf21("2","4","3","6","6","7","1","1") = "6"
    & skf21("2","4","3","6","6","7","2","1") = "6"
    & skf21("2","4","3","6","6","7","3","1") = "6"
    & skf21("2","4","3","6","6","7","4","1") = "6"
    & skf21("2","4","3","6","6","7","5","1") = "6"
    & skf21("2","4","3","6","6","7","6","1") = "6"
    & skf21("2","4","3","6","6","7","7","1") = "6"
    & skf21("2","4","3","6","7","1","1","1") = "6"
    & skf21("2","4","3","6","7","1","2","1") = "6"
    & skf21("2","4","3","6","7","1","3","1") = "6"
    & skf21("2","4","3","6","7","1","4","1") = "6"
    & skf21("2","4","3","6","7","1","5","1") = "6"
    & skf21("2","4","3","6","7","1","6","1") = "6"
    & skf21("2","4","3","6","7","1","7","1") = "6"
    & skf21("2","4","3","6","7","2","1","1") = "6"
    & skf21("2","4","3","6","7","2","2","1") = "6"
    & skf21("2","4","3","6","7","2","3","1") = "6"
    & skf21("2","4","3","6","7","2","4","1") = "6"
    & skf21("2","4","3","6","7","2","5","1") = "6"
    & skf21("2","4","3","6","7","2","6","1") = "6"
    & skf21("2","4","3","6","7","2","7","1") = "6"
    & skf21("2","4","3","6","7","3","1","1") = "6"
    & skf21("2","4","3","6","7","3","2","1") = "6"
    & skf21("2","4","3","6","7","3","3","1") = "6"
    & skf21("2","4","3","6","7","3","4","1") = "6"
    & skf21("2","4","3","6","7","3","5","1") = "6"
    & skf21("2","4","3","6","7","3","6","1") = "6"
    & skf21("2","4","3","6","7","3","7","1") = "6"
    & skf21("2","4","3","6","7","4","1","1") = "6"
    & skf21("2","4","3","6","7","4","2","1") = "6"
    & skf21("2","4","3","6","7","4","3","1") = "6"
    & skf21("2","4","3","6","7","4","4","1") = "6"
    & skf21("2","4","3","6","7","4","5","1") = "6"
    & skf21("2","4","3","6","7","4","6","1") = "6"
    & skf21("2","4","3","6","7","4","7","1") = "6"
    & skf21("2","4","3","6","7","5","1","1") = "6"
    & skf21("2","4","3","6","7","5","2","1") = "6"
    & skf21("2","4","3","6","7","5","3","1") = "6"
    & skf21("2","4","3","6","7","5","4","1") = "6"
    & skf21("2","4","3","6","7","5","5","1") = "6"
    & skf21("2","4","3","6","7","5","6","1") = "6"
    & skf21("2","4","3","6","7","5","7","1") = "6"
    & skf21("2","4","3","6","7","6","1","1") = "6"
    & skf21("2","4","3","6","7","6","2","1") = "6"
    & skf21("2","4","3","6","7","6","3","1") = "6"
    & skf21("2","4","3","6","7","6","4","1") = "6"
    & skf21("2","4","3","6","7","6","5","1") = "6"
    & skf21("2","4","3","6","7","6","6","1") = "6"
    & skf21("2","4","3","6","7","6","7","1") = "6"
    & skf21("2","4","3","6","7","7","1","1") = "6"
    & skf21("2","4","3","6","7","7","2","1") = "6"
    & skf21("2","4","3","6","7","7","3","1") = "6"
    & skf21("2","4","3","6","7","7","4","1") = "6"
    & skf21("2","4","3","6","7","7","5","1") = "6"
    & skf21("2","4","3","6","7","7","6","1") = "6"
    & skf21("2","4","3","6","7","7","7","1") = "6"
    & skf21("2","4","3","7","1","1","1","1") = "6"
    & skf21("2","4","3","7","1","1","2","1") = "6"
    & skf21("2","4","3","7","1","1","3","1") = "6"
    & skf21("2","4","3","7","1","1","4","1") = "6"
    & skf21("2","4","3","7","1","1","5","1") = "6"
    & skf21("2","4","3","7","1","1","6","1") = "6"
    & skf21("2","4","3","7","1","1","7","1") = "6"
    & skf21("2","4","3","7","1","2","1","1") = "6"
    & skf21("2","4","3","7","1","2","2","1") = "6"
    & skf21("2","4","3","7","1","2","3","1") = "6"
    & skf21("2","4","3","7","1","2","4","1") = "6"
    & skf21("2","4","3","7","1","2","5","1") = "6"
    & skf21("2","4","3","7","1","2","6","1") = "6"
    & skf21("2","4","3","7","1","2","7","1") = "6"
    & skf21("2","4","3","7","1","3","1","1") = "6"
    & skf21("2","4","3","7","1","3","2","1") = "6"
    & skf21("2","4","3","7","1","3","3","1") = "6"
    & skf21("2","4","3","7","1","3","4","1") = "6"
    & skf21("2","4","3","7","1","3","5","1") = "6"
    & skf21("2","4","3","7","1","3","6","1") = "6"
    & skf21("2","4","3","7","1","3","7","1") = "6"
    & skf21("2","4","3","7","1","4","1","1") = "6"
    & skf21("2","4","3","7","1","4","2","1") = "6"
    & skf21("2","4","3","7","1","4","3","1") = "6"
    & skf21("2","4","3","7","1","4","4","1") = "6"
    & skf21("2","4","3","7","1","4","5","1") = "6"
    & skf21("2","4","3","7","1","4","6","1") = "6"
    & skf21("2","4","3","7","1","4","7","1") = "6"
    & skf21("2","4","3","7","1","5","1","1") = "6"
    & skf21("2","4","3","7","1","5","2","1") = "6"
    & skf21("2","4","3","7","1","5","3","1") = "6"
    & skf21("2","4","3","7","1","5","4","1") = "6"
    & skf21("2","4","3","7","1","5","5","1") = "6"
    & skf21("2","4","3","7","1","5","6","1") = "6"
    & skf21("2","4","3","7","1","5","7","1") = "6"
    & skf21("2","4","3","7","1","6","1","1") = "6"
    & skf21("2","4","3","7","1","6","2","1") = "6"
    & skf21("2","4","3","7","1","6","3","1") = "6"
    & skf21("2","4","3","7","1","6","4","1") = "6"
    & skf21("2","4","3","7","1","6","5","1") = "6"
    & skf21("2","4","3","7","1","6","6","1") = "6"
    & skf21("2","4","3","7","1","6","7","1") = "6"
    & skf21("2","4","3","7","1","7","1","1") = "6"
    & skf21("2","4","3","7","1","7","2","1") = "6"
    & skf21("2","4","3","7","1","7","3","1") = "6"
    & skf21("2","4","3","7","1","7","4","1") = "6"
    & skf21("2","4","3","7","1","7","5","1") = "6"
    & skf21("2","4","3","7","1","7","6","1") = "6"
    & skf21("2","4","3","7","1","7","7","1") = "6"
    & skf21("2","4","3","7","2","1","1","1") = "6"
    & skf21("2","4","3","7","2","1","2","1") = "6"
    & skf21("2","4","3","7","2","1","3","1") = "6"
    & skf21("2","4","3","7","2","1","4","1") = "6"
    & skf21("2","4","3","7","2","1","5","1") = "6"
    & skf21("2","4","3","7","2","1","6","1") = "6"
    & skf21("2","4","3","7","2","1","7","1") = "6"
    & skf21("2","4","3","7","2","2","1","1") = "6"
    & skf21("2","4","3","7","2","2","2","1") = "6"
    & skf21("2","4","3","7","2","2","3","1") = "6"
    & skf21("2","4","3","7","2","2","4","1") = "6"
    & skf21("2","4","3","7","2","2","5","1") = "6"
    & skf21("2","4","3","7","2","2","6","1") = "6"
    & skf21("2","4","3","7","2","2","7","1") = "6"
    & skf21("2","4","3","7","2","3","1","1") = "6"
    & skf21("2","4","3","7","2","3","2","1") = "6"
    & skf21("2","4","3","7","2","3","3","1") = "6"
    & skf21("2","4","3","7","2","3","4","1") = "6"
    & skf21("2","4","3","7","2","3","5","1") = "6"
    & skf21("2","4","3","7","2","3","6","1") = "6"
    & skf21("2","4","3","7","2","3","7","1") = "6"
    & skf21("2","4","3","7","2","4","1","1") = "6"
    & skf21("2","4","3","7","2","4","2","1") = "6"
    & skf21("2","4","3","7","2","4","3","1") = "6"
    & skf21("2","4","3","7","2","4","4","1") = "6"
    & skf21("2","4","3","7","2","4","5","1") = "6"
    & skf21("2","4","3","7","2","4","6","1") = "6"
    & skf21("2","4","3","7","2","4","7","1") = "6"
    & skf21("2","4","3","7","2","5","1","1") = "6"
    & skf21("2","4","3","7","2","5","2","1") = "6"
    & skf21("2","4","3","7","2","5","3","1") = "6"
    & skf21("2","4","3","7","2","5","4","1") = "6"
    & skf21("2","4","3","7","2","5","5","1") = "6"
    & skf21("2","4","3","7","2","5","6","1") = "6"
    & skf21("2","4","3","7","2","5","7","1") = "6"
    & skf21("2","4","3","7","2","6","1","1") = "6"
    & skf21("2","4","3","7","2","6","2","1") = "6"
    & skf21("2","4","3","7","2","6","3","1") = "6"
    & skf21("2","4","3","7","2","6","4","1") = "6"
    & skf21("2","4","3","7","2","6","5","1") = "6"
    & skf21("2","4","3","7","2","6","6","1") = "6"
    & skf21("2","4","3","7","2","6","7","1") = "6"
    & skf21("2","4","3","7","2","7","1","1") = "6"
    & skf21("2","4","3","7","2","7","2","1") = "6"
    & skf21("2","4","3","7","2","7","3","1") = "6"
    & skf21("2","4","3","7","2","7","4","1") = "6"
    & skf21("2","4","3","7","2","7","5","1") = "6"
    & skf21("2","4","3","7","2","7","6","1") = "6"
    & skf21("2","4","3","7","2","7","7","1") = "6"
    & skf21("2","4","3","7","3","1","1","1") = "6"
    & skf21("2","4","3","7","3","1","2","1") = "6"
    & skf21("2","4","3","7","3","1","3","1") = "6"
    & skf21("2","4","3","7","3","1","4","1") = "6"
    & skf21("2","4","3","7","3","1","5","1") = "6"
    & skf21("2","4","3","7","3","1","6","1") = "6"
    & skf21("2","4","3","7","3","1","7","1") = "6"
    & skf21("2","4","3","7","3","2","1","1") = "6"
    & skf21("2","4","3","7","3","2","2","1") = "6"
    & skf21("2","4","3","7","3","2","3","1") = "6"
    & skf21("2","4","3","7","3","2","4","1") = "6"
    & skf21("2","4","3","7","3","2","5","1") = "6"
    & skf21("2","4","3","7","3","2","6","1") = "6"
    & skf21("2","4","3","7","3","2","7","1") = "6"
    & skf21("2","4","3","7","3","3","1","1") = "6"
    & skf21("2","4","3","7","3","3","2","1") = "6"
    & skf21("2","4","3","7","3","3","3","1") = "6"
    & skf21("2","4","3","7","3","3","4","1") = "6"
    & skf21("2","4","3","7","3","3","5","1") = "6"
    & skf21("2","4","3","7","3","3","6","1") = "6"
    & skf21("2","4","3","7","3","3","7","1") = "6"
    & skf21("2","4","3","7","3","4","1","1") = "6"
    & skf21("2","4","3","7","3","4","2","1") = "6"
    & skf21("2","4","3","7","3","4","3","1") = "6"
    & skf21("2","4","3","7","3","4","4","1") = "6"
    & skf21("2","4","3","7","3","4","5","1") = "6"
    & skf21("2","4","3","7","3","4","6","1") = "6"
    & skf21("2","4","3","7","3","4","7","1") = "6"
    & skf21("2","4","3","7","3","5","1","1") = "6"
    & skf21("2","4","3","7","3","5","2","1") = "6"
    & skf21("2","4","3","7","3","5","3","1") = "6"
    & skf21("2","4","3","7","3","5","4","1") = "6"
    & skf21("2","4","3","7","3","5","5","1") = "6"
    & skf21("2","4","3","7","3","5","6","1") = "6"
    & skf21("2","4","3","7","3","5","7","1") = "6"
    & skf21("2","4","3","7","3","6","1","1") = "6"
    & skf21("2","4","3","7","3","6","2","1") = "6"
    & skf21("2","4","3","7","3","6","3","1") = "6"
    & skf21("2","4","3","7","3","6","4","1") = "6"
    & skf21("2","4","3","7","3","6","5","1") = "6"
    & skf21("2","4","3","7","3","6","6","1") = "6"
    & skf21("2","4","3","7","3","6","7","1") = "6"
    & skf21("2","4","3","7","3","7","1","1") = "6"
    & skf21("2","4","3","7","3","7","2","1") = "6"
    & skf21("2","4","3","7","3","7","3","1") = "6"
    & skf21("2","4","3","7","3","7","4","1") = "6"
    & skf21("2","4","3","7","3","7","5","1") = "6"
    & skf21("2","4","3","7","3","7","6","1") = "6"
    & skf21("2","4","3","7","3","7","7","1") = "6"
    & skf21("2","4","3","7","4","1","1","1") = "6"
    & skf21("2","4","3","7","4","1","2","1") = "6"
    & skf21("2","4","3","7","4","1","3","1") = "6"
    & skf21("2","4","3","7","4","1","4","1") = "6"
    & skf21("2","4","3","7","4","1","5","1") = "6"
    & skf21("2","4","3","7","4","1","6","1") = "6"
    & skf21("2","4","3","7","4","1","7","1") = "6"
    & skf21("2","4","3","7","4","2","1","1") = "6"
    & skf21("2","4","3","7","4","2","2","1") = "6"
    & skf21("2","4","3","7","4","2","3","1") = "6"
    & skf21("2","4","3","7","4","2","4","1") = "6"
    & skf21("2","4","3","7","4","2","5","1") = "6"
    & skf21("2","4","3","7","4","2","6","1") = "6"
    & skf21("2","4","3","7","4","2","7","1") = "6"
    & skf21("2","4","3","7","4","3","1","1") = "6"
    & skf21("2","4","3","7","4","3","2","1") = "6"
    & skf21("2","4","3","7","4","3","3","1") = "6"
    & skf21("2","4","3","7","4","3","4","1") = "6"
    & skf21("2","4","3","7","4","3","5","1") = "6"
    & skf21("2","4","3","7","4","3","6","1") = "6"
    & skf21("2","4","3","7","4","3","7","1") = "6"
    & skf21("2","4","3","7","4","4","1","1") = "6"
    & skf21("2","4","3","7","4","4","2","1") = "6"
    & skf21("2","4","3","7","4","4","3","1") = "6"
    & skf21("2","4","3","7","4","4","4","1") = "6"
    & skf21("2","4","3","7","4","4","5","1") = "6"
    & skf21("2","4","3","7","4","4","6","1") = "6"
    & skf21("2","4","3","7","4","4","7","1") = "6"
    & skf21("2","4","3","7","4","5","1","1") = "6"
    & skf21("2","4","3","7","4","5","2","1") = "6"
    & skf21("2","4","3","7","4","5","3","1") = "6"
    & skf21("2","4","3","7","4","5","4","1") = "6"
    & skf21("2","4","3","7","4","5","5","1") = "6"
    & skf21("2","4","3","7","4","5","6","1") = "6"
    & skf21("2","4","3","7","4","5","7","1") = "6"
    & skf21("2","4","3","7","4","6","1","1") = "6"
    & skf21("2","4","3","7","4","6","2","1") = "6"
    & skf21("2","4","3","7","4","6","3","1") = "6"
    & skf21("2","4","3","7","4","6","4","1") = "6"
    & skf21("2","4","3","7","4","6","5","1") = "6"
    & skf21("2","4","3","7","4","6","6","1") = "6"
    & skf21("2","4","3","7","4","6","7","1") = "6"
    & skf21("2","4","3","7","4","7","1","1") = "6"
    & skf21("2","4","3","7","4","7","2","1") = "6"
    & skf21("2","4","3","7","4","7","3","1") = "6"
    & skf21("2","4","3","7","4","7","4","1") = "6"
    & skf21("2","4","3","7","4","7","5","1") = "6"
    & skf21("2","4","3","7","4","7","6","1") = "6"
    & skf21("2","4","3","7","4","7","7","1") = "6"
    & skf21("2","4","3","7","5","1","1","1") = "6"
    & skf21("2","4","3","7","5","1","2","1") = "6"
    & skf21("2","4","3","7","5","1","3","1") = "6"
    & skf21("2","4","3","7","5","1","4","1") = "6"
    & skf21("2","4","3","7","5","1","5","1") = "6"
    & skf21("2","4","3","7","5","1","6","1") = "6"
    & skf21("2","4","3","7","5","1","7","1") = "6"
    & skf21("2","4","3","7","5","2","1","1") = "6"
    & skf21("2","4","3","7","5","2","2","1") = "6"
    & skf21("2","4","3","7","5","2","3","1") = "6"
    & skf21("2","4","3","7","5","2","4","1") = "6"
    & skf21("2","4","3","7","5","2","5","1") = "6"
    & skf21("2","4","3","7","5","2","6","1") = "6"
    & skf21("2","4","3","7","5","2","7","1") = "6"
    & skf21("2","4","3","7","5","3","1","1") = "6"
    & skf21("2","4","3","7","5","3","2","1") = "6"
    & skf21("2","4","3","7","5","3","3","1") = "6"
    & skf21("2","4","3","7","5","3","4","1") = "6"
    & skf21("2","4","3","7","5","3","5","1") = "6"
    & skf21("2","4","3","7","5","3","6","1") = "6"
    & skf21("2","4","3","7","5","3","7","1") = "6"
    & skf21("2","4","3","7","5","4","1","1") = "6"
    & skf21("2","4","3","7","5","4","2","1") = "6"
    & skf21("2","4","3","7","5","4","3","1") = "6"
    & skf21("2","4","3","7","5","4","4","1") = "6"
    & skf21("2","4","3","7","5","4","5","1") = "6"
    & skf21("2","4","3","7","5","4","6","1") = "6"
    & skf21("2","4","3","7","5","4","7","1") = "6"
    & skf21("2","4","3","7","5","5","1","1") = "6"
    & skf21("2","4","3","7","5","5","2","1") = "6"
    & skf21("2","4","3","7","5","5","3","1") = "6"
    & skf21("2","4","3","7","5","5","4","1") = "6"
    & skf21("2","4","3","7","5","5","5","1") = "6"
    & skf21("2","4","3","7","5","5","6","1") = "6"
    & skf21("2","4","3","7","5","5","7","1") = "6"
    & skf21("2","4","3","7","5","6","1","1") = "6"
    & skf21("2","4","3","7","5","6","2","1") = "6"
    & skf21("2","4","3","7","5","6","3","1") = "6"
    & skf21("2","4","3","7","5","6","4","1") = "6"
    & skf21("2","4","3","7","5","6","5","1") = "6"
    & skf21("2","4","3","7","5","6","6","1") = "6"
    & skf21("2","4","3","7","5","6","7","1") = "6"
    & skf21("2","4","3","7","5","7","1","1") = "6"
    & skf21("2","4","3","7","5","7","2","1") = "6"
    & skf21("2","4","3","7","5","7","3","1") = "6"
    & skf21("2","4","3","7","5","7","4","1") = "6"
    & skf21("2","4","3","7","5","7","5","1") = "6"
    & skf21("2","4","3","7","5","7","6","1") = "6"
    & skf21("2","4","3","7","5","7","7","1") = "6"
    & skf21("2","4","3","7","6","1","1","1") = "6"
    & skf21("2","4","3","7","6","1","2","1") = "6"
    & skf21("2","4","3","7","6","1","3","1") = "6"
    & skf21("2","4","3","7","6","1","4","1") = "6"
    & skf21("2","4","3","7","6","1","5","1") = "6"
    & skf21("2","4","3","7","6","1","6","1") = "6"
    & skf21("2","4","3","7","6","1","7","1") = "6"
    & skf21("2","4","3","7","6","2","1","1") = "6"
    & skf21("2","4","3","7","6","2","2","1") = "6"
    & skf21("2","4","3","7","6","2","3","1") = "6"
    & skf21("2","4","3","7","6","2","4","1") = "6"
    & skf21("2","4","3","7","6","2","5","1") = "6"
    & skf21("2","4","3","7","6","2","6","1") = "6"
    & skf21("2","4","3","7","6","2","7","1") = "6"
    & skf21("2","4","3","7","6","3","1","1") = "6"
    & skf21("2","4","3","7","6","3","2","1") = "6"
    & skf21("2","4","3","7","6","3","3","1") = "6"
    & skf21("2","4","3","7","6","3","4","1") = "6"
    & skf21("2","4","3","7","6","3","5","1") = "6"
    & skf21("2","4","3","7","6","3","6","1") = "6"
    & skf21("2","4","3","7","6","3","7","1") = "6"
    & skf21("2","4","3","7","6","4","1","1") = "6"
    & skf21("2","4","3","7","6","4","2","1") = "6"
    & skf21("2","4","3","7","6","4","3","1") = "6"
    & skf21("2","4","3","7","6","4","4","1") = "6"
    & skf21("2","4","3","7","6","4","5","1") = "6"
    & skf21("2","4","3","7","6","4","6","1") = "6"
    & skf21("2","4","3","7","6","4","7","1") = "6"
    & skf21("2","4","3","7","6","5","1","1") = "6"
    & skf21("2","4","3","7","6","5","2","1") = "6"
    & skf21("2","4","3","7","6","5","3","1") = "6"
    & skf21("2","4","3","7","6","5","4","1") = "6"
    & skf21("2","4","3","7","6","5","5","1") = "6"
    & skf21("2","4","3","7","6","5","6","1") = "6"
    & skf21("2","4","3","7","6","5","7","1") = "6"
    & skf21("2","4","3","7","6","6","1","1") = "6"
    & skf21("2","4","3","7","6","6","2","1") = "6"
    & skf21("2","4","3","7","6","6","3","1") = "6"
    & skf21("2","4","3","7","6","6","4","1") = "6"
    & skf21("2","4","3","7","6","6","5","1") = "6"
    & skf21("2","4","3","7","6","6","6","1") = "6"
    & skf21("2","4","3","7","6","6","7","1") = "6"
    & skf21("2","4","3","7","6","7","1","1") = "6"
    & skf21("2","4","3","7","6","7","2","1") = "6"
    & skf21("2","4","3","7","6","7","3","1") = "6"
    & skf21("2","4","3","7","6","7","4","1") = "6"
    & skf21("2","4","3","7","6","7","5","1") = "6"
    & skf21("2","4","3","7","6","7","6","1") = "6"
    & skf21("2","4","3","7","6","7","7","1") = "6"
    & skf21("2","4","3","7","7","1","1","1") = "6"
    & skf21("2","4","3","7","7","1","2","1") = "6"
    & skf21("2","4","3","7","7","1","3","1") = "6"
    & skf21("2","4","3","7","7","1","4","1") = "6"
    & skf21("2","4","3","7","7","1","5","1") = "6"
    & skf21("2","4","3","7","7","1","6","1") = "6"
    & skf21("2","4","3","7","7","1","7","1") = "6"
    & skf21("2","4","3","7","7","2","1","1") = "6"
    & skf21("2","4","3","7","7","2","2","1") = "6"
    & skf21("2","4","3","7","7","2","3","1") = "6"
    & skf21("2","4","3","7","7","2","4","1") = "6"
    & skf21("2","4","3","7","7","2","5","1") = "6"
    & skf21("2","4","3","7","7","2","6","1") = "6"
    & skf21("2","4","3","7","7","2","7","1") = "6"
    & skf21("2","4","3","7","7","3","1","1") = "6"
    & skf21("2","4","3","7","7","3","2","1") = "6"
    & skf21("2","4","3","7","7","3","3","1") = "6"
    & skf21("2","4","3","7","7","3","4","1") = "6"
    & skf21("2","4","3","7","7","3","5","1") = "6"
    & skf21("2","4","3","7","7","3","6","1") = "6"
    & skf21("2","4","3","7","7","3","7","1") = "6"
    & skf21("2","4","3","7","7","4","1","1") = "6"
    & skf21("2","4","3","7","7","4","2","1") = "6"
    & skf21("2","4","3","7","7","4","3","1") = "6"
    & skf21("2","4","3","7","7","4","4","1") = "6"
    & skf21("2","4","3","7","7","4","5","1") = "6"
    & skf21("2","4","3","7","7","4","6","1") = "6"
    & skf21("2","4","3","7","7","4","7","1") = "6"
    & skf21("2","4","3","7","7","5","1","1") = "6"
    & skf21("2","4","3","7","7","5","2","1") = "6"
    & skf21("2","4","3","7","7","5","3","1") = "6"
    & skf21("2","4","3","7","7","5","4","1") = "6"
    & skf21("2","4","3","7","7","5","5","1") = "6"
    & skf21("2","4","3","7","7","5","6","1") = "6"
    & skf21("2","4","3","7","7","5","7","1") = "6"
    & skf21("2","4","3","7","7","6","1","1") = "6"
    & skf21("2","4","3","7","7","6","2","1") = "6"
    & skf21("2","4","3","7","7","6","3","1") = "6"
    & skf21("2","4","3","7","7","6","4","1") = "6"
    & skf21("2","4","3","7","7","6","5","1") = "6"
    & skf21("2","4","3","7","7","6","6","1") = "6"
    & skf21("2","4","3","7","7","6","7","1") = "6"
    & skf21("2","4","3","7","7","7","1","1") = "6"
    & skf21("2","4","3","7","7","7","2","1") = "6"
    & skf21("2","4","3","7","7","7","3","1") = "6"
    & skf21("2","4","3","7","7","7","4","1") = "6"
    & skf21("2","4","3","7","7","7","5","1") = "6"
    & skf21("2","4","3","7","7","7","6","1") = "6"
    & skf21("2","4","3","7","7","7","7","1") = "6"
    & skf21("2","4","4","1","1","1","1","1") = "3"
    & skf21("2","4","4","1","1","1","2","1") = "3"
    & skf21("2","4","4","1","1","1","3","1") = "3"
    & skf21("2","4","4","1","1","1","4","1") = "3"
    & skf21("2","4","4","1","1","1","5","1") = "4"
    & skf21("2","4","4","1","1","1","6","1") = "5"
    & skf21("2","4","4","1","1","1","7","1") = "6"
    & skf21("2","4","4","1","1","2","1","1") = "3"
    & skf21("2","4","4","1","1","2","2","1") = "3"
    & skf21("2","4","4","1","1","2","3","1") = "3"
    & skf21("2","4","4","1","1","2","4","1") = "3"
    & skf21("2","4","4","1","1","2","5","1") = "4"
    & skf21("2","4","4","1","1","2","6","1") = "5"
    & skf21("2","4","4","1","1","2","7","1") = "6"
    & skf21("2","4","4","1","1","3","1","1") = "3"
    & skf21("2","4","4","1","1","3","2","1") = "3"
    & skf21("2","4","4","1","1","3","3","1") = "3"
    & skf21("2","4","4","1","1","3","4","1") = "3"
    & skf21("2","4","4","1","1","3","5","1") = "4"
    & skf21("2","4","4","1","1","3","6","1") = "5"
    & skf21("2","4","4","1","1","3","7","1") = "6"
    & skf21("2","4","4","1","1","4","1","1") = "3"
    & skf21("2","4","4","1","1","4","2","1") = "3"
    & skf21("2","4","4","1","1","4","3","1") = "3"
    & skf21("2","4","4","1","1","4","4","1") = "3"
    & skf21("2","4","4","1","1","4","5","1") = "4"
    & skf21("2","4","4","1","1","4","6","1") = "5"
    & skf21("2","4","4","1","1","4","7","1") = "6"
    & skf21("2","4","4","1","1","5","1","1") = "4"
    & skf21("2","4","4","1","1","5","2","1") = "4"
    & skf21("2","4","4","1","1","5","3","1") = "4"
    & skf21("2","4","4","1","1","5","4","1") = "4"
    & skf21("2","4","4","1","1","5","5","1") = "4"
    & skf21("2","4","4","1","1","5","6","1") = "5"
    & skf21("2","4","4","1","1","5","7","1") = "6"
    & skf21("2","4","4","1","1","6","1","1") = "5"
    & skf21("2","4","4","1","1","6","2","1") = "5"
    & skf21("2","4","4","1","1","6","3","1") = "5"
    & skf21("2","4","4","1","1","6","4","1") = "5"
    & skf21("2","4","4","1","1","6","5","1") = "5"
    & skf21("2","4","4","1","1","6","6","1") = "5"
    & skf21("2","4","4","1","1","6","7","1") = "6"
    & skf21("2","4","4","1","1","7","1","1") = "6"
    & skf21("2","4","4","1","1","7","2","1") = "6"
    & skf21("2","4","4","1","1","7","3","1") = "6"
    & skf21("2","4","4","1","1","7","4","1") = "6"
    & skf21("2","4","4","1","1","7","5","1") = "6"
    & skf21("2","4","4","1","1","7","6","1") = "6"
    & skf21("2","4","4","1","1","7","7","1") = "6"
    & skf21("2","4","4","1","2","1","1","1") = "3"
    & skf21("2","4","4","1","2","1","2","1") = "3"
    & skf21("2","4","4","1","2","1","3","1") = "3"
    & skf21("2","4","4","1","2","1","4","1") = "3"
    & skf21("2","4","4","1","2","1","5","1") = "4"
    & skf21("2","4","4","1","2","1","6","1") = "5"
    & skf21("2","4","4","1","2","1","7","1") = "6"
    & skf21("2","4","4","1","2","2","1","1") = "3"
    & skf21("2","4","4","1","2","2","2","1") = "3"
    & skf21("2","4","4","1","2","2","3","1") = "3"
    & skf21("2","4","4","1","2","2","4","1") = "3"
    & skf21("2","4","4","1","2","2","5","1") = "4"
    & skf21("2","4","4","1","2","2","6","1") = "5"
    & skf21("2","4","4","1","2","2","7","1") = "6"
    & skf21("2","4","4","1","2","3","1","1") = "3"
    & skf21("2","4","4","1","2","3","2","1") = "3"
    & skf21("2","4","4","1","2","3","3","1") = "3"
    & skf21("2","4","4","1","2","3","4","1") = "3"
    & skf21("2","4","4","1","2","3","5","1") = "4"
    & skf21("2","4","4","1","2","3","6","1") = "5"
    & skf21("2","4","4","1","2","3","7","1") = "6"
    & skf21("2","4","4","1","2","4","1","1") = "3"
    & skf21("2","4","4","1","2","4","2","1") = "3"
    & skf21("2","4","4","1","2","4","3","1") = "3"
    & skf21("2","4","4","1","2","4","4","1") = "3"
    & skf21("2","4","4","1","2","4","5","1") = "4"
    & skf21("2","4","4","1","2","4","6","1") = "5"
    & skf21("2","4","4","1","2","4","7","1") = "6"
    & skf21("2","4","4","1","2","5","1","1") = "4"
    & skf21("2","4","4","1","2","5","2","1") = "4"
    & skf21("2","4","4","1","2","5","3","1") = "4"
    & skf21("2","4","4","1","2","5","4","1") = "4"
    & skf21("2","4","4","1","2","5","5","1") = "4"
    & skf21("2","4","4","1","2","5","6","1") = "5"
    & skf21("2","4","4","1","2","5","7","1") = "6"
    & skf21("2","4","4","1","2","6","1","1") = "5"
    & skf21("2","4","4","1","2","6","2","1") = "5"
    & skf21("2","4","4","1","2","6","3","1") = "5"
    & skf21("2","4","4","1","2","6","4","1") = "5"
    & skf21("2","4","4","1","2","6","5","1") = "5"
    & skf21("2","4","4","1","2","6","6","1") = "5"
    & skf21("2","4","4","1","2","6","7","1") = "6"
    & skf21("2","4","4","1","2","7","1","1") = "6"
    & skf21("2","4","4","1","2","7","2","1") = "6"
    & skf21("2","4","4","1","2","7","3","1") = "6"
    & skf21("2","4","4","1","2","7","4","1") = "6"
    & skf21("2","4","4","1","2","7","5","1") = "6"
    & skf21("2","4","4","1","2","7","6","1") = "6"
    & skf21("2","4","4","1","2","7","7","1") = "6"
    & skf21("2","4","4","1","3","1","1","1") = "3"
    & skf21("2","4","4","1","3","1","2","1") = "3"
    & skf21("2","4","4","1","3","1","3","1") = "3"
    & skf21("2","4","4","1","3","1","4","1") = "3"
    & skf21("2","4","4","1","3","1","5","1") = "4"
    & skf21("2","4","4","1","3","1","6","1") = "5"
    & skf21("2","4","4","1","3","1","7","1") = "6"
    & skf21("2","4","4","1","3","2","1","1") = "3"
    & skf21("2","4","4","1","3","2","2","1") = "3"
    & skf21("2","4","4","1","3","2","3","1") = "3"
    & skf21("2","4","4","1","3","2","4","1") = "3"
    & skf21("2","4","4","1","3","2","5","1") = "4"
    & skf21("2","4","4","1","3","2","6","1") = "5"
    & skf21("2","4","4","1","3","2","7","1") = "6"
    & skf21("2","4","4","1","3","3","1","1") = "3"
    & skf21("2","4","4","1","3","3","2","1") = "3"
    & skf21("2","4","4","1","3","3","3","1") = "3"
    & skf21("2","4","4","1","3","3","4","1") = "3"
    & skf21("2","4","4","1","3","3","5","1") = "4"
    & skf21("2","4","4","1","3","3","6","1") = "5"
    & skf21("2","4","4","1","3","3","7","1") = "6"
    & skf21("2","4","4","1","3","4","1","1") = "3"
    & skf21("2","4","4","1","3","4","2","1") = "3"
    & skf21("2","4","4","1","3","4","3","1") = "3"
    & skf21("2","4","4","1","3","4","4","1") = "3"
    & skf21("2","4","4","1","3","4","5","1") = "4"
    & skf21("2","4","4","1","3","4","6","1") = "5"
    & skf21("2","4","4","1","3","4","7","1") = "6"
    & skf21("2","4","4","1","3","5","1","1") = "4"
    & skf21("2","4","4","1","3","5","2","1") = "4"
    & skf21("2","4","4","1","3","5","3","1") = "4"
    & skf21("2","4","4","1","3","5","4","1") = "4"
    & skf21("2","4","4","1","3","5","5","1") = "4"
    & skf21("2","4","4","1","3","5","6","1") = "5"
    & skf21("2","4","4","1","3","5","7","1") = "6"
    & skf21("2","4","4","1","3","6","1","1") = "5"
    & skf21("2","4","4","1","3","6","2","1") = "5"
    & skf21("2","4","4","1","3","6","3","1") = "5"
    & skf21("2","4","4","1","3","6","4","1") = "5"
    & skf21("2","4","4","1","3","6","5","1") = "5"
    & skf21("2","4","4","1","3","6","6","1") = "5"
    & skf21("2","4","4","1","3","6","7","1") = "6"
    & skf21("2","4","4","1","3","7","1","1") = "6"
    & skf21("2","4","4","1","3","7","2","1") = "6"
    & skf21("2","4","4","1","3","7","3","1") = "6"
    & skf21("2","4","4","1","3","7","4","1") = "6"
    & skf21("2","4","4","1","3","7","5","1") = "6"
    & skf21("2","4","4","1","3","7","6","1") = "6"
    & skf21("2","4","4","1","3","7","7","1") = "6"
    & skf21("2","4","4","1","4","1","1","1") = "3"
    & skf21("2","4","4","1","4","1","2","1") = "3"
    & skf21("2","4","4","1","4","1","3","1") = "3"
    & skf21("2","4","4","1","4","1","4","1") = "3"
    & skf21("2","4","4","1","4","1","5","1") = "4"
    & skf21("2","4","4","1","4","1","6","1") = "5"
    & skf21("2","4","4","1","4","1","7","1") = "6"
    & skf21("2","4","4","1","4","2","1","1") = "3"
    & skf21("2","4","4","1","4","2","2","1") = "3"
    & skf21("2","4","4","1","4","2","3","1") = "3"
    & skf21("2","4","4","1","4","2","4","1") = "3"
    & skf21("2","4","4","1","4","2","5","1") = "4"
    & skf21("2","4","4","1","4","2","6","1") = "5"
    & skf21("2","4","4","1","4","2","7","1") = "6"
    & skf21("2","4","4","1","4","3","1","1") = "3"
    & skf21("2","4","4","1","4","3","2","1") = "3"
    & skf21("2","4","4","1","4","3","3","1") = "3"
    & skf21("2","4","4","1","4","3","4","1") = "3"
    & skf21("2","4","4","1","4","3","5","1") = "4"
    & skf21("2","4","4","1","4","3","6","1") = "5"
    & skf21("2","4","4","1","4","3","7","1") = "6"
    & skf21("2","4","4","1","4","4","1","1") = "3"
    & skf21("2","4","4","1","4","4","2","1") = "3"
    & skf21("2","4","4","1","4","4","3","1") = "3"
    & skf21("2","4","4","1","4","4","4","1") = "3"
    & skf21("2","4","4","1","4","4","5","1") = "4"
    & skf21("2","4","4","1","4","4","6","1") = "5"
    & skf21("2","4","4","1","4","4","7","1") = "6"
    & skf21("2","4","4","1","4","5","1","1") = "4"
    & skf21("2","4","4","1","4","5","2","1") = "4"
    & skf21("2","4","4","1","4","5","3","1") = "4"
    & skf21("2","4","4","1","4","5","4","1") = "4"
    & skf21("2","4","4","1","4","5","5","1") = "4"
    & skf21("2","4","4","1","4","5","6","1") = "5"
    & skf21("2","4","4","1","4","5","7","1") = "6"
    & skf21("2","4","4","1","4","6","1","1") = "5"
    & skf21("2","4","4","1","4","6","2","1") = "5"
    & skf21("2","4","4","1","4","6","3","1") = "5"
    & skf21("2","4","4","1","4","6","4","1") = "5"
    & skf21("2","4","4","1","4","6","5","1") = "5"
    & skf21("2","4","4","1","4","6","6","1") = "5"
    & skf21("2","4","4","1","4","6","7","1") = "6"
    & skf21("2","4","4","1","4","7","1","1") = "6"
    & skf21("2","4","4","1","4","7","2","1") = "6"
    & skf21("2","4","4","1","4","7","3","1") = "6"
    & skf21("2","4","4","1","4","7","4","1") = "6"
    & skf21("2","4","4","1","4","7","5","1") = "6"
    & skf21("2","4","4","1","4","7","6","1") = "6"
    & skf21("2","4","4","1","4","7","7","1") = "6"
    & skf21("2","4","4","1","5","1","1","1") = "4"
    & skf21("2","4","4","1","5","1","2","1") = "4"
    & skf21("2","4","4","1","5","1","3","1") = "4"
    & skf21("2","4","4","1","5","1","4","1") = "4"
    & skf21("2","4","4","1","5","1","5","1") = "4"
    & skf21("2","4","4","1","5","1","6","1") = "5"
    & skf21("2","4","4","1","5","1","7","1") = "6"
    & skf21("2","4","4","1","5","2","1","1") = "4"
    & skf21("2","4","4","1","5","2","2","1") = "4"
    & skf21("2","4","4","1","5","2","3","1") = "4"
    & skf21("2","4","4","1","5","2","4","1") = "4"
    & skf21("2","4","4","1","5","2","5","1") = "4"
    & skf21("2","4","4","1","5","2","6","1") = "5"
    & skf21("2","4","4","1","5","2","7","1") = "6"
    & skf21("2","4","4","1","5","3","1","1") = "4"
    & skf21("2","4","4","1","5","3","2","1") = "4"
    & skf21("2","4","4","1","5","3","3","1") = "4"
    & skf21("2","4","4","1","5","3","4","1") = "4"
    & skf21("2","4","4","1","5","3","5","1") = "4"
    & skf21("2","4","4","1","5","3","6","1") = "5"
    & skf21("2","4","4","1","5","3","7","1") = "6"
    & skf21("2","4","4","1","5","4","1","1") = "4"
    & skf21("2","4","4","1","5","4","2","1") = "4"
    & skf21("2","4","4","1","5","4","3","1") = "4"
    & skf21("2","4","4","1","5","4","4","1") = "4"
    & skf21("2","4","4","1","5","4","5","1") = "4"
    & skf21("2","4","4","1","5","4","6","1") = "5"
    & skf21("2","4","4","1","5","4","7","1") = "6"
    & skf21("2","4","4","1","5","5","1","1") = "4"
    & skf21("2","4","4","1","5","5","2","1") = "4"
    & skf21("2","4","4","1","5","5","3","1") = "4"
    & skf21("2","4","4","1","5","5","4","1") = "4"
    & skf21("2","4","4","1","5","5","5","1") = "4"
    & skf21("2","4","4","1","5","5","6","1") = "5"
    & skf21("2","4","4","1","5","5","7","1") = "6"
    & skf21("2","4","4","1","5","6","1","1") = "5"
    & skf21("2","4","4","1","5","6","2","1") = "5"
    & skf21("2","4","4","1","5","6","3","1") = "5"
    & skf21("2","4","4","1","5","6","4","1") = "5"
    & skf21("2","4","4","1","5","6","5","1") = "5"
    & skf21("2","4","4","1","5","6","6","1") = "5"
    & skf21("2","4","4","1","5","6","7","1") = "6"
    & skf21("2","4","4","1","5","7","1","1") = "6"
    & skf21("2","4","4","1","5","7","2","1") = "6"
    & skf21("2","4","4","1","5","7","3","1") = "6"
    & skf21("2","4","4","1","5","7","4","1") = "6"
    & skf21("2","4","4","1","5","7","5","1") = "6"
    & skf21("2","4","4","1","5","7","6","1") = "6"
    & skf21("2","4","4","1","5","7","7","1") = "6"
    & skf21("2","4","4","1","6","1","1","1") = "5"
    & skf21("2","4","4","1","6","1","2","1") = "5"
    & skf21("2","4","4","1","6","1","3","1") = "5"
    & skf21("2","4","4","1","6","1","4","1") = "5"
    & skf21("2","4","4","1","6","1","5","1") = "5"
    & skf21("2","4","4","1","6","1","6","1") = "5"
    & skf21("2","4","4","1","6","1","7","1") = "6"
    & skf21("2","4","4","1","6","2","1","1") = "5"
    & skf21("2","4","4","1","6","2","2","1") = "5"
    & skf21("2","4","4","1","6","2","3","1") = "5"
    & skf21("2","4","4","1","6","2","4","1") = "5"
    & skf21("2","4","4","1","6","2","5","1") = "5"
    & skf21("2","4","4","1","6","2","6","1") = "5"
    & skf21("2","4","4","1","6","2","7","1") = "6"
    & skf21("2","4","4","1","6","3","1","1") = "5"
    & skf21("2","4","4","1","6","3","2","1") = "5"
    & skf21("2","4","4","1","6","3","3","1") = "5"
    & skf21("2","4","4","1","6","3","4","1") = "5"
    & skf21("2","4","4","1","6","3","5","1") = "5"
    & skf21("2","4","4","1","6","3","6","1") = "5"
    & skf21("2","4","4","1","6","3","7","1") = "6"
    & skf21("2","4","4","1","6","4","1","1") = "5"
    & skf21("2","4","4","1","6","4","2","1") = "5"
    & skf21("2","4","4","1","6","4","3","1") = "5"
    & skf21("2","4","4","1","6","4","4","1") = "5"
    & skf21("2","4","4","1","6","4","5","1") = "5"
    & skf21("2","4","4","1","6","4","6","1") = "5"
    & skf21("2","4","4","1","6","4","7","1") = "6"
    & skf21("2","4","4","1","6","5","1","1") = "5"
    & skf21("2","4","4","1","6","5","2","1") = "5"
    & skf21("2","4","4","1","6","5","3","1") = "5"
    & skf21("2","4","4","1","6","5","4","1") = "5"
    & skf21("2","4","4","1","6","5","5","1") = "5"
    & skf21("2","4","4","1","6","5","6","1") = "5"
    & skf21("2","4","4","1","6","5","7","1") = "6"
    & skf21("2","4","4","1","6","6","1","1") = "5"
    & skf21("2","4","4","1","6","6","2","1") = "5"
    & skf21("2","4","4","1","6","6","3","1") = "5"
    & skf21("2","4","4","1","6","6","4","1") = "5"
    & skf21("2","4","4","1","6","6","5","1") = "5"
    & skf21("2","4","4","1","6","6","6","1") = "5"
    & skf21("2","4","4","1","6","6","7","1") = "6"
    & skf21("2","4","4","1","6","7","1","1") = "6"
    & skf21("2","4","4","1","6","7","2","1") = "6"
    & skf21("2","4","4","1","6","7","3","1") = "6"
    & skf21("2","4","4","1","6","7","4","1") = "6"
    & skf21("2","4","4","1","6","7","5","1") = "6"
    & skf21("2","4","4","1","6","7","6","1") = "6"
    & skf21("2","4","4","1","6","7","7","1") = "6"
    & skf21("2","4","4","1","7","1","1","1") = "6"
    & skf21("2","4","4","1","7","1","2","1") = "6"
    & skf21("2","4","4","1","7","1","3","1") = "6"
    & skf21("2","4","4","1","7","1","4","1") = "6"
    & skf21("2","4","4","1","7","1","5","1") = "6"
    & skf21("2","4","4","1","7","1","6","1") = "6"
    & skf21("2","4","4","1","7","1","7","1") = "6"
    & skf21("2","4","4","1","7","2","1","1") = "6"
    & skf21("2","4","4","1","7","2","2","1") = "6"
    & skf21("2","4","4","1","7","2","3","1") = "6"
    & skf21("2","4","4","1","7","2","4","1") = "6"
    & skf21("2","4","4","1","7","2","5","1") = "6"
    & skf21("2","4","4","1","7","2","6","1") = "6"
    & skf21("2","4","4","1","7","2","7","1") = "6"
    & skf21("2","4","4","1","7","3","1","1") = "6"
    & skf21("2","4","4","1","7","3","2","1") = "6"
    & skf21("2","4","4","1","7","3","3","1") = "6"
    & skf21("2","4","4","1","7","3","4","1") = "6"
    & skf21("2","4","4","1","7","3","5","1") = "6"
    & skf21("2","4","4","1","7","3","6","1") = "6"
    & skf21("2","4","4","1","7","3","7","1") = "6"
    & skf21("2","4","4","1","7","4","1","1") = "6"
    & skf21("2","4","4","1","7","4","2","1") = "6"
    & skf21("2","4","4","1","7","4","3","1") = "6"
    & skf21("2","4","4","1","7","4","4","1") = "6"
    & skf21("2","4","4","1","7","4","5","1") = "6"
    & skf21("2","4","4","1","7","4","6","1") = "6"
    & skf21("2","4","4","1","7","4","7","1") = "6"
    & skf21("2","4","4","1","7","5","1","1") = "6"
    & skf21("2","4","4","1","7","5","2","1") = "6"
    & skf21("2","4","4","1","7","5","3","1") = "6"
    & skf21("2","4","4","1","7","5","4","1") = "6"
    & skf21("2","4","4","1","7","5","5","1") = "6"
    & skf21("2","4","4","1","7","5","6","1") = "6"
    & skf21("2","4","4","1","7","5","7","1") = "6"
    & skf21("2","4","4","1","7","6","1","1") = "6"
    & skf21("2","4","4","1","7","6","2","1") = "6"
    & skf21("2","4","4","1","7","6","3","1") = "6"
    & skf21("2","4","4","1","7","6","4","1") = "6"
    & skf21("2","4","4","1","7","6","5","1") = "6"
    & skf21("2","4","4","1","7","6","6","1") = "6"
    & skf21("2","4","4","1","7","6","7","1") = "6"
    & skf21("2","4","4","1","7","7","1","1") = "6"
    & skf21("2","4","4","1","7","7","2","1") = "6"
    & skf21("2","4","4","1","7","7","3","1") = "6"
    & skf21("2","4","4","1","7","7","4","1") = "6"
    & skf21("2","4","4","1","7","7","5","1") = "6"
    & skf21("2","4","4","1","7","7","6","1") = "6"
    & skf21("2","4","4","1","7","7","7","1") = "6"
    & skf21("2","4","4","2","1","1","1","1") = "3"
    & skf21("2","4","4","2","1","1","2","1") = "3"
    & skf21("2","4","4","2","1","1","3","1") = "3"
    & skf21("2","4","4","2","1","1","4","1") = "3"
    & skf21("2","4","4","2","1","1","5","1") = "4"
    & skf21("2","4","4","2","1","1","6","1") = "5"
    & skf21("2","4","4","2","1","1","7","1") = "6"
    & skf21("2","4","4","2","1","2","1","1") = "3"
    & skf21("2","4","4","2","1","2","2","1") = "3"
    & skf21("2","4","4","2","1","2","3","1") = "3"
    & skf21("2","4","4","2","1","2","4","1") = "3"
    & skf21("2","4","4","2","1","2","5","1") = "4"
    & skf21("2","4","4","2","1","2","6","1") = "5"
    & skf21("2","4","4","2","1","2","7","1") = "6"
    & skf21("2","4","4","2","1","3","1","1") = "3"
    & skf21("2","4","4","2","1","3","2","1") = "3"
    & skf21("2","4","4","2","1","3","3","1") = "3"
    & skf21("2","4","4","2","1","3","4","1") = "3"
    & skf21("2","4","4","2","1","3","5","1") = "4"
    & skf21("2","4","4","2","1","3","6","1") = "5"
    & skf21("2","4","4","2","1","3","7","1") = "6"
    & skf21("2","4","4","2","1","4","1","1") = "3"
    & skf21("2","4","4","2","1","4","2","1") = "3"
    & skf21("2","4","4","2","1","4","3","1") = "3"
    & skf21("2","4","4","2","1","4","4","1") = "3"
    & skf21("2","4","4","2","1","4","5","1") = "4"
    & skf21("2","4","4","2","1","4","6","1") = "5"
    & skf21("2","4","4","2","1","4","7","1") = "6"
    & skf21("2","4","4","2","1","5","1","1") = "4"
    & skf21("2","4","4","2","1","5","2","1") = "4"
    & skf21("2","4","4","2","1","5","3","1") = "4"
    & skf21("2","4","4","2","1","5","4","1") = "4"
    & skf21("2","4","4","2","1","5","5","1") = "4"
    & skf21("2","4","4","2","1","5","6","1") = "5"
    & skf21("2","4","4","2","1","5","7","1") = "6"
    & skf21("2","4","4","2","1","6","1","1") = "5"
    & skf21("2","4","4","2","1","6","2","1") = "5"
    & skf21("2","4","4","2","1","6","3","1") = "5"
    & skf21("2","4","4","2","1","6","4","1") = "5"
    & skf21("2","4","4","2","1","6","5","1") = "5"
    & skf21("2","4","4","2","1","6","6","1") = "5"
    & skf21("2","4","4","2","1","6","7","1") = "6"
    & skf21("2","4","4","2","1","7","1","1") = "6"
    & skf21("2","4","4","2","1","7","2","1") = "6"
    & skf21("2","4","4","2","1","7","3","1") = "6"
    & skf21("2","4","4","2","1","7","4","1") = "6"
    & skf21("2","4","4","2","1","7","5","1") = "6"
    & skf21("2","4","4","2","1","7","6","1") = "6"
    & skf21("2","4","4","2","1","7","7","1") = "6"
    & skf21("2","4","4","2","2","1","1","1") = "3"
    & skf21("2","4","4","2","2","1","2","1") = "3"
    & skf21("2","4","4","2","2","1","3","1") = "3"
    & skf21("2","4","4","2","2","1","4","1") = "3"
    & skf21("2","4","4","2","2","1","5","1") = "4"
    & skf21("2","4","4","2","2","1","6","1") = "5"
    & skf21("2","4","4","2","2","1","7","1") = "6"
    & skf21("2","4","4","2","2","2","1","1") = "3"
    & skf21("2","4","4","2","2","2","2","1") = "3"
    & skf21("2","4","4","2","2","2","3","1") = "3"
    & skf21("2","4","4","2","2","2","4","1") = "3"
    & skf21("2","4","4","2","2","2","5","1") = "4"
    & skf21("2","4","4","2","2","2","6","1") = "5"
    & skf21("2","4","4","2","2","2","7","1") = "6"
    & skf21("2","4","4","2","2","3","1","1") = "3"
    & skf21("2","4","4","2","2","3","2","1") = "3"
    & skf21("2","4","4","2","2","3","3","1") = "3"
    & skf21("2","4","4","2","2","3","4","1") = "3"
    & skf21("2","4","4","2","2","3","5","1") = "4"
    & skf21("2","4","4","2","2","3","6","1") = "5"
    & skf21("2","4","4","2","2","3","7","1") = "6"
    & skf21("2","4","4","2","2","4","1","1") = "3"
    & skf21("2","4","4","2","2","4","2","1") = "3"
    & skf21("2","4","4","2","2","4","3","1") = "3"
    & skf21("2","4","4","2","2","4","4","1") = "3"
    & skf21("2","4","4","2","2","4","5","1") = "4"
    & skf21("2","4","4","2","2","4","6","1") = "5"
    & skf21("2","4","4","2","2","4","7","1") = "6"
    & skf21("2","4","4","2","2","5","1","1") = "4"
    & skf21("2","4","4","2","2","5","2","1") = "4"
    & skf21("2","4","4","2","2","5","3","1") = "4"
    & skf21("2","4","4","2","2","5","4","1") = "4"
    & skf21("2","4","4","2","2","5","5","1") = "4"
    & skf21("2","4","4","2","2","5","6","1") = "5"
    & skf21("2","4","4","2","2","5","7","1") = "6"
    & skf21("2","4","4","2","2","6","1","1") = "5"
    & skf21("2","4","4","2","2","6","2","1") = "5"
    & skf21("2","4","4","2","2","6","3","1") = "5"
    & skf21("2","4","4","2","2","6","4","1") = "5"
    & skf21("2","4","4","2","2","6","5","1") = "5"
    & skf21("2","4","4","2","2","6","6","1") = "5"
    & skf21("2","4","4","2","2","6","7","1") = "6"
    & skf21("2","4","4","2","2","7","1","1") = "6"
    & skf21("2","4","4","2","2","7","2","1") = "6"
    & skf21("2","4","4","2","2","7","3","1") = "6"
    & skf21("2","4","4","2","2","7","4","1") = "6"
    & skf21("2","4","4","2","2","7","5","1") = "6"
    & skf21("2","4","4","2","2","7","6","1") = "6"
    & skf21("2","4","4","2","2","7","7","1") = "6"
    & skf21("2","4","4","2","3","1","1","1") = "3"
    & skf21("2","4","4","2","3","1","2","1") = "3"
    & skf21("2","4","4","2","3","1","3","1") = "3"
    & skf21("2","4","4","2","3","1","4","1") = "3"
    & skf21("2","4","4","2","3","1","5","1") = "4"
    & skf21("2","4","4","2","3","1","6","1") = "5"
    & skf21("2","4","4","2","3","1","7","1") = "6"
    & skf21("2","4","4","2","3","2","1","1") = "3"
    & skf21("2","4","4","2","3","2","2","1") = "3"
    & skf21("2","4","4","2","3","2","3","1") = "3"
    & skf21("2","4","4","2","3","2","4","1") = "3"
    & skf21("2","4","4","2","3","2","5","1") = "4"
    & skf21("2","4","4","2","3","2","6","1") = "5"
    & skf21("2","4","4","2","3","2","7","1") = "6"
    & skf21("2","4","4","2","3","3","1","1") = "3"
    & skf21("2","4","4","2","3","3","2","1") = "3"
    & skf21("2","4","4","2","3","3","3","1") = "3"
    & skf21("2","4","4","2","3","3","4","1") = "3"
    & skf21("2","4","4","2","3","3","5","1") = "4"
    & skf21("2","4","4","2","3","3","6","1") = "5"
    & skf21("2","4","4","2","3","3","7","1") = "6"
    & skf21("2","4","4","2","3","4","1","1") = "3"
    & skf21("2","4","4","2","3","4","2","1") = "3"
    & skf21("2","4","4","2","3","4","3","1") = "3"
    & skf21("2","4","4","2","3","4","4","1") = "3"
    & skf21("2","4","4","2","3","4","5","1") = "4"
    & skf21("2","4","4","2","3","4","6","1") = "5"
    & skf21("2","4","4","2","3","4","7","1") = "6"
    & skf21("2","4","4","2","3","5","1","1") = "4"
    & skf21("2","4","4","2","3","5","2","1") = "4"
    & skf21("2","4","4","2","3","5","3","1") = "4"
    & skf21("2","4","4","2","3","5","4","1") = "4"
    & skf21("2","4","4","2","3","5","5","1") = "4"
    & skf21("2","4","4","2","3","5","6","1") = "5"
    & skf21("2","4","4","2","3","5","7","1") = "6"
    & skf21("2","4","4","2","3","6","1","1") = "5"
    & skf21("2","4","4","2","3","6","2","1") = "5"
    & skf21("2","4","4","2","3","6","3","1") = "5"
    & skf21("2","4","4","2","3","6","4","1") = "5"
    & skf21("2","4","4","2","3","6","5","1") = "5"
    & skf21("2","4","4","2","3","6","6","1") = "5"
    & skf21("2","4","4","2","3","6","7","1") = "6"
    & skf21("2","4","4","2","3","7","1","1") = "6"
    & skf21("2","4","4","2","3","7","2","1") = "6"
    & skf21("2","4","4","2","3","7","3","1") = "6"
    & skf21("2","4","4","2","3","7","4","1") = "6"
    & skf21("2","4","4","2","3","7","5","1") = "6"
    & skf21("2","4","4","2","3","7","6","1") = "6"
    & skf21("2","4","4","2","3","7","7","1") = "6"
    & skf21("2","4","4","2","4","1","1","1") = "3"
    & skf21("2","4","4","2","4","1","2","1") = "3"
    & skf21("2","4","4","2","4","1","3","1") = "3"
    & skf21("2","4","4","2","4","1","4","1") = "3"
    & skf21("2","4","4","2","4","1","5","1") = "4"
    & skf21("2","4","4","2","4","1","6","1") = "5"
    & skf21("2","4","4","2","4","1","7","1") = "6"
    & skf21("2","4","4","2","4","2","1","1") = "3"
    & skf21("2","4","4","2","4","2","2","1") = "3"
    & skf21("2","4","4","2","4","2","3","1") = "3"
    & skf21("2","4","4","2","4","2","4","1") = "3"
    & skf21("2","4","4","2","4","2","5","1") = "4"
    & skf21("2","4","4","2","4","2","6","1") = "5"
    & skf21("2","4","4","2","4","2","7","1") = "6"
    & skf21("2","4","4","2","4","3","1","1") = "3"
    & skf21("2","4","4","2","4","3","2","1") = "3"
    & skf21("2","4","4","2","4","3","3","1") = "3"
    & skf21("2","4","4","2","4","3","4","1") = "3"
    & skf21("2","4","4","2","4","3","5","1") = "4"
    & skf21("2","4","4","2","4","3","6","1") = "5"
    & skf21("2","4","4","2","4","3","7","1") = "6"
    & skf21("2","4","4","2","4","4","1","1") = "3"
    & skf21("2","4","4","2","4","4","2","1") = "3"
    & skf21("2","4","4","2","4","4","3","1") = "3"
    & skf21("2","4","4","2","4","4","4","1") = "3"
    & skf21("2","4","4","2","4","4","5","1") = "4"
    & skf21("2","4","4","2","4","4","6","1") = "5"
    & skf21("2","4","4","2","4","4","7","1") = "6"
    & skf21("2","4","4","2","4","5","1","1") = "4"
    & skf21("2","4","4","2","4","5","2","1") = "4"
    & skf21("2","4","4","2","4","5","3","1") = "4"
    & skf21("2","4","4","2","4","5","4","1") = "4"
    & skf21("2","4","4","2","4","5","5","1") = "4"
    & skf21("2","4","4","2","4","5","6","1") = "5"
    & skf21("2","4","4","2","4","5","7","1") = "6"
    & skf21("2","4","4","2","4","6","1","1") = "5"
    & skf21("2","4","4","2","4","6","2","1") = "5"
    & skf21("2","4","4","2","4","6","3","1") = "5"
    & skf21("2","4","4","2","4","6","4","1") = "5"
    & skf21("2","4","4","2","4","6","5","1") = "5"
    & skf21("2","4","4","2","4","6","6","1") = "5"
    & skf21("2","4","4","2","4","6","7","1") = "6"
    & skf21("2","4","4","2","4","7","1","1") = "6"
    & skf21("2","4","4","2","4","7","2","1") = "6"
    & skf21("2","4","4","2","4","7","3","1") = "6"
    & skf21("2","4","4","2","4","7","4","1") = "6"
    & skf21("2","4","4","2","4","7","5","1") = "6"
    & skf21("2","4","4","2","4","7","6","1") = "6"
    & skf21("2","4","4","2","4","7","7","1") = "6"
    & skf21("2","4","4","2","5","1","1","1") = "4"
    & skf21("2","4","4","2","5","1","2","1") = "4"
    & skf21("2","4","4","2","5","1","3","1") = "4"
    & skf21("2","4","4","2","5","1","4","1") = "4"
    & skf21("2","4","4","2","5","1","5","1") = "4"
    & skf21("2","4","4","2","5","1","6","1") = "5"
    & skf21("2","4","4","2","5","1","7","1") = "6"
    & skf21("2","4","4","2","5","2","1","1") = "4"
    & skf21("2","4","4","2","5","2","2","1") = "4"
    & skf21("2","4","4","2","5","2","3","1") = "4"
    & skf21("2","4","4","2","5","2","4","1") = "4"
    & skf21("2","4","4","2","5","2","5","1") = "4"
    & skf21("2","4","4","2","5","2","6","1") = "5"
    & skf21("2","4","4","2","5","2","7","1") = "6"
    & skf21("2","4","4","2","5","3","1","1") = "4"
    & skf21("2","4","4","2","5","3","2","1") = "4"
    & skf21("2","4","4","2","5","3","3","1") = "4"
    & skf21("2","4","4","2","5","3","4","1") = "4"
    & skf21("2","4","4","2","5","3","5","1") = "4"
    & skf21("2","4","4","2","5","3","6","1") = "5"
    & skf21("2","4","4","2","5","3","7","1") = "6"
    & skf21("2","4","4","2","5","4","1","1") = "4"
    & skf21("2","4","4","2","5","4","2","1") = "4"
    & skf21("2","4","4","2","5","4","3","1") = "4"
    & skf21("2","4","4","2","5","4","4","1") = "4"
    & skf21("2","4","4","2","5","4","5","1") = "4"
    & skf21("2","4","4","2","5","4","6","1") = "5"
    & skf21("2","4","4","2","5","4","7","1") = "6"
    & skf21("2","4","4","2","5","5","1","1") = "4"
    & skf21("2","4","4","2","5","5","2","1") = "4"
    & skf21("2","4","4","2","5","5","3","1") = "4"
    & skf21("2","4","4","2","5","5","4","1") = "4"
    & skf21("2","4","4","2","5","5","5","1") = "4"
    & skf21("2","4","4","2","5","5","6","1") = "5"
    & skf21("2","4","4","2","5","5","7","1") = "6"
    & skf21("2","4","4","2","5","6","1","1") = "5"
    & skf21("2","4","4","2","5","6","2","1") = "5"
    & skf21("2","4","4","2","5","6","3","1") = "5"
    & skf21("2","4","4","2","5","6","4","1") = "5"
    & skf21("2","4","4","2","5","6","5","1") = "5"
    & skf21("2","4","4","2","5","6","6","1") = "5"
    & skf21("2","4","4","2","5","6","7","1") = "6"
    & skf21("2","4","4","2","5","7","1","1") = "6"
    & skf21("2","4","4","2","5","7","2","1") = "6"
    & skf21("2","4","4","2","5","7","3","1") = "6"
    & skf21("2","4","4","2","5","7","4","1") = "6"
    & skf21("2","4","4","2","5","7","5","1") = "6"
    & skf21("2","4","4","2","5","7","6","1") = "6"
    & skf21("2","4","4","2","5","7","7","1") = "6"
    & skf21("2","4","4","2","6","1","1","1") = "5"
    & skf21("2","4","4","2","6","1","2","1") = "5"
    & skf21("2","4","4","2","6","1","3","1") = "5"
    & skf21("2","4","4","2","6","1","4","1") = "5"
    & skf21("2","4","4","2","6","1","5","1") = "5"
    & skf21("2","4","4","2","6","1","6","1") = "5"
    & skf21("2","4","4","2","6","1","7","1") = "6"
    & skf21("2","4","4","2","6","2","1","1") = "5"
    & skf21("2","4","4","2","6","2","2","1") = "5"
    & skf21("2","4","4","2","6","2","3","1") = "5"
    & skf21("2","4","4","2","6","2","4","1") = "5"
    & skf21("2","4","4","2","6","2","5","1") = "5"
    & skf21("2","4","4","2","6","2","6","1") = "5"
    & skf21("2","4","4","2","6","2","7","1") = "6"
    & skf21("2","4","4","2","6","3","1","1") = "5"
    & skf21("2","4","4","2","6","3","2","1") = "5"
    & skf21("2","4","4","2","6","3","3","1") = "5"
    & skf21("2","4","4","2","6","3","4","1") = "5"
    & skf21("2","4","4","2","6","3","5","1") = "5"
    & skf21("2","4","4","2","6","3","6","1") = "5"
    & skf21("2","4","4","2","6","3","7","1") = "6"
    & skf21("2","4","4","2","6","4","1","1") = "5"
    & skf21("2","4","4","2","6","4","2","1") = "5"
    & skf21("2","4","4","2","6","4","3","1") = "5"
    & skf21("2","4","4","2","6","4","4","1") = "5"
    & skf21("2","4","4","2","6","4","5","1") = "5"
    & skf21("2","4","4","2","6","4","6","1") = "5"
    & skf21("2","4","4","2","6","4","7","1") = "6"
    & skf21("2","4","4","2","6","5","1","1") = "5"
    & skf21("2","4","4","2","6","5","2","1") = "5"
    & skf21("2","4","4","2","6","5","3","1") = "5"
    & skf21("2","4","4","2","6","5","4","1") = "5"
    & skf21("2","4","4","2","6","5","5","1") = "5"
    & skf21("2","4","4","2","6","5","6","1") = "5"
    & skf21("2","4","4","2","6","5","7","1") = "6"
    & skf21("2","4","4","2","6","6","1","1") = "5"
    & skf21("2","4","4","2","6","6","2","1") = "5"
    & skf21("2","4","4","2","6","6","3","1") = "5"
    & skf21("2","4","4","2","6","6","4","1") = "5"
    & skf21("2","4","4","2","6","6","5","1") = "5"
    & skf21("2","4","4","2","6","6","6","1") = "5"
    & skf21("2","4","4","2","6","6","7","1") = "6"
    & skf21("2","4","4","2","6","7","1","1") = "6"
    & skf21("2","4","4","2","6","7","2","1") = "6"
    & skf21("2","4","4","2","6","7","3","1") = "6"
    & skf21("2","4","4","2","6","7","4","1") = "6"
    & skf21("2","4","4","2","6","7","5","1") = "6"
    & skf21("2","4","4","2","6","7","6","1") = "6"
    & skf21("2","4","4","2","6","7","7","1") = "6"
    & skf21("2","4","4","2","7","1","1","1") = "6"
    & skf21("2","4","4","2","7","1","2","1") = "6"
    & skf21("2","4","4","2","7","1","3","1") = "6"
    & skf21("2","4","4","2","7","1","4","1") = "6"
    & skf21("2","4","4","2","7","1","5","1") = "6"
    & skf21("2","4","4","2","7","1","6","1") = "6"
    & skf21("2","4","4","2","7","1","7","1") = "6"
    & skf21("2","4","4","2","7","2","1","1") = "6"
    & skf21("2","4","4","2","7","2","2","1") = "6"
    & skf21("2","4","4","2","7","2","3","1") = "6"
    & skf21("2","4","4","2","7","2","4","1") = "6"
    & skf21("2","4","4","2","7","2","5","1") = "6"
    & skf21("2","4","4","2","7","2","6","1") = "6"
    & skf21("2","4","4","2","7","2","7","1") = "6"
    & skf21("2","4","4","2","7","3","1","1") = "6"
    & skf21("2","4","4","2","7","3","2","1") = "6"
    & skf21("2","4","4","2","7","3","3","1") = "6"
    & skf21("2","4","4","2","7","3","4","1") = "6"
    & skf21("2","4","4","2","7","3","5","1") = "6"
    & skf21("2","4","4","2","7","3","6","1") = "6"
    & skf21("2","4","4","2","7","3","7","1") = "6"
    & skf21("2","4","4","2","7","4","1","1") = "6"
    & skf21("2","4","4","2","7","4","2","1") = "6"
    & skf21("2","4","4","2","7","4","3","1") = "6"
    & skf21("2","4","4","2","7","4","4","1") = "6"
    & skf21("2","4","4","2","7","4","5","1") = "6"
    & skf21("2","4","4","2","7","4","6","1") = "6"
    & skf21("2","4","4","2","7","4","7","1") = "6"
    & skf21("2","4","4","2","7","5","1","1") = "6"
    & skf21("2","4","4","2","7","5","2","1") = "6"
    & skf21("2","4","4","2","7","5","3","1") = "6"
    & skf21("2","4","4","2","7","5","4","1") = "6"
    & skf21("2","4","4","2","7","5","5","1") = "6"
    & skf21("2","4","4","2","7","5","6","1") = "6"
    & skf21("2","4","4","2","7","5","7","1") = "6"
    & skf21("2","4","4","2","7","6","1","1") = "6"
    & skf21("2","4","4","2","7","6","2","1") = "6"
    & skf21("2","4","4","2","7","6","3","1") = "6"
    & skf21("2","4","4","2","7","6","4","1") = "6"
    & skf21("2","4","4","2","7","6","5","1") = "6"
    & skf21("2","4","4","2","7","6","6","1") = "6"
    & skf21("2","4","4","2","7","6","7","1") = "6"
    & skf21("2","4","4","2","7","7","1","1") = "6"
    & skf21("2","4","4","2","7","7","2","1") = "6"
    & skf21("2","4","4","2","7","7","3","1") = "6"
    & skf21("2","4","4","2","7","7","4","1") = "6"
    & skf21("2","4","4","2","7","7","5","1") = "6"
    & skf21("2","4","4","2","7","7","6","1") = "6"
    & skf21("2","4","4","2","7","7","7","1") = "6"
    & skf21("2","4","4","3","1","1","1","1") = "3"
    & skf21("2","4","4","3","1","1","2","1") = "3"
    & skf21("2","4","4","3","1","1","3","1") = "3"
    & skf21("2","4","4","3","1","1","4","1") = "3"
    & skf21("2","4","4","3","1","1","5","1") = "4"
    & skf21("2","4","4","3","1","1","6","1") = "5"
    & skf21("2","4","4","3","1","1","7","1") = "6"
    & skf21("2","4","4","3","1","2","1","1") = "3"
    & skf21("2","4","4","3","1","2","2","1") = "3"
    & skf21("2","4","4","3","1","2","3","1") = "3"
    & skf21("2","4","4","3","1","2","4","1") = "3"
    & skf21("2","4","4","3","1","2","5","1") = "4"
    & skf21("2","4","4","3","1","2","6","1") = "5"
    & skf21("2","4","4","3","1","2","7","1") = "6"
    & skf21("2","4","4","3","1","3","1","1") = "3"
    & skf21("2","4","4","3","1","3","2","1") = "3"
    & skf21("2","4","4","3","1","3","3","1") = "3"
    & skf21("2","4","4","3","1","3","4","1") = "3"
    & skf21("2","4","4","3","1","3","5","1") = "4"
    & skf21("2","4","4","3","1","3","6","1") = "5"
    & skf21("2","4","4","3","1","3","7","1") = "6"
    & skf21("2","4","4","3","1","4","1","1") = "3"
    & skf21("2","4","4","3","1","4","2","1") = "3"
    & skf21("2","4","4","3","1","4","3","1") = "3"
    & skf21("2","4","4","3","1","4","4","1") = "3"
    & skf21("2","4","4","3","1","4","5","1") = "4"
    & skf21("2","4","4","3","1","4","6","1") = "5"
    & skf21("2","4","4","3","1","4","7","1") = "6"
    & skf21("2","4","4","3","1","5","1","1") = "4"
    & skf21("2","4","4","3","1","5","2","1") = "4"
    & skf21("2","4","4","3","1","5","3","1") = "4"
    & skf21("2","4","4","3","1","5","4","1") = "4"
    & skf21("2","4","4","3","1","5","5","1") = "4"
    & skf21("2","4","4","3","1","5","6","1") = "5"
    & skf21("2","4","4","3","1","5","7","1") = "6"
    & skf21("2","4","4","3","1","6","1","1") = "5"
    & skf21("2","4","4","3","1","6","2","1") = "5"
    & skf21("2","4","4","3","1","6","3","1") = "5"
    & skf21("2","4","4","3","1","6","4","1") = "5"
    & skf21("2","4","4","3","1","6","5","1") = "5"
    & skf21("2","4","4","3","1","6","6","1") = "5"
    & skf21("2","4","4","3","1","6","7","1") = "6"
    & skf21("2","4","4","3","1","7","1","1") = "6"
    & skf21("2","4","4","3","1","7","2","1") = "6"
    & skf21("2","4","4","3","1","7","3","1") = "6"
    & skf21("2","4","4","3","1","7","4","1") = "6"
    & skf21("2","4","4","3","1","7","5","1") = "6"
    & skf21("2","4","4","3","1","7","6","1") = "6"
    & skf21("2","4","4","3","1","7","7","1") = "6"
    & skf21("2","4","4","3","2","1","1","1") = "3"
    & skf21("2","4","4","3","2","1","2","1") = "3"
    & skf21("2","4","4","3","2","1","3","1") = "3"
    & skf21("2","4","4","3","2","1","4","1") = "3"
    & skf21("2","4","4","3","2","1","5","1") = "4"
    & skf21("2","4","4","3","2","1","6","1") = "5"
    & skf21("2","4","4","3","2","1","7","1") = "6"
    & skf21("2","4","4","3","2","2","1","1") = "3"
    & skf21("2","4","4","3","2","2","2","1") = "3"
    & skf21("2","4","4","3","2","2","3","1") = "3"
    & skf21("2","4","4","3","2","2","4","1") = "3"
    & skf21("2","4","4","3","2","2","5","1") = "4"
    & skf21("2","4","4","3","2","2","6","1") = "5"
    & skf21("2","4","4","3","2","2","7","1") = "6"
    & skf21("2","4","4","3","2","3","1","1") = "3"
    & skf21("2","4","4","3","2","3","2","1") = "3"
    & skf21("2","4","4","3","2","3","3","1") = "3"
    & skf21("2","4","4","3","2","3","4","1") = "3"
    & skf21("2","4","4","3","2","3","5","1") = "4"
    & skf21("2","4","4","3","2","3","6","1") = "5"
    & skf21("2","4","4","3","2","3","7","1") = "6"
    & skf21("2","4","4","3","2","4","1","1") = "3"
    & skf21("2","4","4","3","2","4","2","1") = "3"
    & skf21("2","4","4","3","2","4","3","1") = "3"
    & skf21("2","4","4","3","2","4","4","1") = "3"
    & skf21("2","4","4","3","2","4","5","1") = "4"
    & skf21("2","4","4","3","2","4","6","1") = "5"
    & skf21("2","4","4","3","2","4","7","1") = "6"
    & skf21("2","4","4","3","2","5","1","1") = "4"
    & skf21("2","4","4","3","2","5","2","1") = "4"
    & skf21("2","4","4","3","2","5","3","1") = "4"
    & skf21("2","4","4","3","2","5","4","1") = "4"
    & skf21("2","4","4","3","2","5","5","1") = "4"
    & skf21("2","4","4","3","2","5","6","1") = "5"
    & skf21("2","4","4","3","2","5","7","1") = "6"
    & skf21("2","4","4","3","2","6","1","1") = "5"
    & skf21("2","4","4","3","2","6","2","1") = "5"
    & skf21("2","4","4","3","2","6","3","1") = "5"
    & skf21("2","4","4","3","2","6","4","1") = "5"
    & skf21("2","4","4","3","2","6","5","1") = "5"
    & skf21("2","4","4","3","2","6","6","1") = "5"
    & skf21("2","4","4","3","2","6","7","1") = "6"
    & skf21("2","4","4","3","2","7","1","1") = "6"
    & skf21("2","4","4","3","2","7","2","1") = "6"
    & skf21("2","4","4","3","2","7","3","1") = "6"
    & skf21("2","4","4","3","2","7","4","1") = "6"
    & skf21("2","4","4","3","2","7","5","1") = "6"
    & skf21("2","4","4","3","2","7","6","1") = "6"
    & skf21("2","4","4","3","2","7","7","1") = "6"
    & skf21("2","4","4","3","3","1","1","1") = "3"
    & skf21("2","4","4","3","3","1","2","1") = "3"
    & skf21("2","4","4","3","3","1","3","1") = "3"
    & skf21("2","4","4","3","3","1","4","1") = "3"
    & skf21("2","4","4","3","3","1","5","1") = "4"
    & skf21("2","4","4","3","3","1","6","1") = "5"
    & skf21("2","4","4","3","3","1","7","1") = "6"
    & skf21("2","4","4","3","3","2","1","1") = "3"
    & skf21("2","4","4","3","3","2","2","1") = "3"
    & skf21("2","4","4","3","3","2","3","1") = "3"
    & skf21("2","4","4","3","3","2","4","1") = "3"
    & skf21("2","4","4","3","3","2","5","1") = "4"
    & skf21("2","4","4","3","3","2","6","1") = "5"
    & skf21("2","4","4","3","3","2","7","1") = "6"
    & skf21("2","4","4","3","3","3","1","1") = "3"
    & skf21("2","4","4","3","3","3","2","1") = "3"
    & skf21("2","4","4","3","3","3","3","1") = "3"
    & skf21("2","4","4","3","3","3","4","1") = "3"
    & skf21("2","4","4","3","3","3","5","1") = "4"
    & skf21("2","4","4","3","3","3","6","1") = "5"
    & skf21("2","4","4","3","3","3","7","1") = "6"
    & skf21("2","4","4","3","3","4","1","1") = "3"
    & skf21("2","4","4","3","3","4","2","1") = "3"
    & skf21("2","4","4","3","3","4","3","1") = "3"
    & skf21("2","4","4","3","3","4","4","1") = "3"
    & skf21("2","4","4","3","3","4","5","1") = "4"
    & skf21("2","4","4","3","3","4","6","1") = "5"
    & skf21("2","4","4","3","3","4","7","1") = "6"
    & skf21("2","4","4","3","3","5","1","1") = "4"
    & skf21("2","4","4","3","3","5","2","1") = "4"
    & skf21("2","4","4","3","3","5","3","1") = "4"
    & skf21("2","4","4","3","3","5","4","1") = "4"
    & skf21("2","4","4","3","3","5","5","1") = "4"
    & skf21("2","4","4","3","3","5","6","1") = "5"
    & skf21("2","4","4","3","3","5","7","1") = "6"
    & skf21("2","4","4","3","3","6","1","1") = "5"
    & skf21("2","4","4","3","3","6","2","1") = "5"
    & skf21("2","4","4","3","3","6","3","1") = "5"
    & skf21("2","4","4","3","3","6","4","1") = "5"
    & skf21("2","4","4","3","3","6","5","1") = "5"
    & skf21("2","4","4","3","3","6","6","1") = "5"
    & skf21("2","4","4","3","3","6","7","1") = "6"
    & skf21("2","4","4","3","3","7","1","1") = "6"
    & skf21("2","4","4","3","3","7","2","1") = "6"
    & skf21("2","4","4","3","3","7","3","1") = "6"
    & skf21("2","4","4","3","3","7","4","1") = "6"
    & skf21("2","4","4","3","3","7","5","1") = "6"
    & skf21("2","4","4","3","3","7","6","1") = "6"
    & skf21("2","4","4","3","3","7","7","1") = "6"
    & skf21("2","4","4","3","4","1","1","1") = "3"
    & skf21("2","4","4","3","4","1","2","1") = "3"
    & skf21("2","4","4","3","4","1","3","1") = "3"
    & skf21("2","4","4","3","4","1","4","1") = "3"
    & skf21("2","4","4","3","4","1","5","1") = "4"
    & skf21("2","4","4","3","4","1","6","1") = "5"
    & skf21("2","4","4","3","4","1","7","1") = "6"
    & skf21("2","4","4","3","4","2","1","1") = "3"
    & skf21("2","4","4","3","4","2","2","1") = "3"
    & skf21("2","4","4","3","4","2","3","1") = "3"
    & skf21("2","4","4","3","4","2","4","1") = "3"
    & skf21("2","4","4","3","4","2","5","1") = "4"
    & skf21("2","4","4","3","4","2","6","1") = "5"
    & skf21("2","4","4","3","4","2","7","1") = "6"
    & skf21("2","4","4","3","4","3","1","1") = "3"
    & skf21("2","4","4","3","4","3","2","1") = "3"
    & skf21("2","4","4","3","4","3","3","1") = "3"
    & skf21("2","4","4","3","4","3","4","1") = "3"
    & skf21("2","4","4","3","4","3","5","1") = "4"
    & skf21("2","4","4","3","4","3","6","1") = "5"
    & skf21("2","4","4","3","4","3","7","1") = "6"
    & skf21("2","4","4","3","4","4","1","1") = "3"
    & skf21("2","4","4","3","4","4","2","1") = "3"
    & skf21("2","4","4","3","4","4","3","1") = "3"
    & skf21("2","4","4","3","4","4","4","1") = "3"
    & skf21("2","4","4","3","4","4","5","1") = "4"
    & skf21("2","4","4","3","4","4","6","1") = "5"
    & skf21("2","4","4","3","4","4","7","1") = "6"
    & skf21("2","4","4","3","4","5","1","1") = "4"
    & skf21("2","4","4","3","4","5","2","1") = "4"
    & skf21("2","4","4","3","4","5","3","1") = "4"
    & skf21("2","4","4","3","4","5","4","1") = "4"
    & skf21("2","4","4","3","4","5","5","1") = "4"
    & skf21("2","4","4","3","4","5","6","1") = "5"
    & skf21("2","4","4","3","4","5","7","1") = "6"
    & skf21("2","4","4","3","4","6","1","1") = "5"
    & skf21("2","4","4","3","4","6","2","1") = "5"
    & skf21("2","4","4","3","4","6","3","1") = "5"
    & skf21("2","4","4","3","4","6","4","1") = "5"
    & skf21("2","4","4","3","4","6","5","1") = "5"
    & skf21("2","4","4","3","4","6","6","1") = "5"
    & skf21("2","4","4","3","4","6","7","1") = "6"
    & skf21("2","4","4","3","4","7","1","1") = "6"
    & skf21("2","4","4","3","4","7","2","1") = "6"
    & skf21("2","4","4","3","4","7","3","1") = "6"
    & skf21("2","4","4","3","4","7","4","1") = "6"
    & skf21("2","4","4","3","4","7","5","1") = "6"
    & skf21("2","4","4","3","4","7","6","1") = "6"
    & skf21("2","4","4","3","4","7","7","1") = "6"
    & skf21("2","4","4","3","5","1","1","1") = "4"
    & skf21("2","4","4","3","5","1","2","1") = "4"
    & skf21("2","4","4","3","5","1","3","1") = "4"
    & skf21("2","4","4","3","5","1","4","1") = "4"
    & skf21("2","4","4","3","5","1","5","1") = "4"
    & skf21("2","4","4","3","5","1","6","1") = "5"
    & skf21("2","4","4","3","5","1","7","1") = "6"
    & skf21("2","4","4","3","5","2","1","1") = "4"
    & skf21("2","4","4","3","5","2","2","1") = "4"
    & skf21("2","4","4","3","5","2","3","1") = "4"
    & skf21("2","4","4","3","5","2","4","1") = "4"
    & skf21("2","4","4","3","5","2","5","1") = "4"
    & skf21("2","4","4","3","5","2","6","1") = "5"
    & skf21("2","4","4","3","5","2","7","1") = "6"
    & skf21("2","4","4","3","5","3","1","1") = "4"
    & skf21("2","4","4","3","5","3","2","1") = "4"
    & skf21("2","4","4","3","5","3","3","1") = "4"
    & skf21("2","4","4","3","5","3","4","1") = "4"
    & skf21("2","4","4","3","5","3","5","1") = "4"
    & skf21("2","4","4","3","5","3","6","1") = "5"
    & skf21("2","4","4","3","5","3","7","1") = "6"
    & skf21("2","4","4","3","5","4","1","1") = "4"
    & skf21("2","4","4","3","5","4","2","1") = "4"
    & skf21("2","4","4","3","5","4","3","1") = "4"
    & skf21("2","4","4","3","5","4","4","1") = "4"
    & skf21("2","4","4","3","5","4","5","1") = "4"
    & skf21("2","4","4","3","5","4","6","1") = "5"
    & skf21("2","4","4","3","5","4","7","1") = "6"
    & skf21("2","4","4","3","5","5","1","1") = "4"
    & skf21("2","4","4","3","5","5","2","1") = "4"
    & skf21("2","4","4","3","5","5","3","1") = "4"
    & skf21("2","4","4","3","5","5","4","1") = "4"
    & skf21("2","4","4","3","5","5","5","1") = "4"
    & skf21("2","4","4","3","5","5","6","1") = "5"
    & skf21("2","4","4","3","5","5","7","1") = "6"
    & skf21("2","4","4","3","5","6","1","1") = "5"
    & skf21("2","4","4","3","5","6","2","1") = "5"
    & skf21("2","4","4","3","5","6","3","1") = "5"
    & skf21("2","4","4","3","5","6","4","1") = "5"
    & skf21("2","4","4","3","5","6","5","1") = "5"
    & skf21("2","4","4","3","5","6","6","1") = "5"
    & skf21("2","4","4","3","5","6","7","1") = "6"
    & skf21("2","4","4","3","5","7","1","1") = "6"
    & skf21("2","4","4","3","5","7","2","1") = "6"
    & skf21("2","4","4","3","5","7","3","1") = "6"
    & skf21("2","4","4","3","5","7","4","1") = "6"
    & skf21("2","4","4","3","5","7","5","1") = "6"
    & skf21("2","4","4","3","5","7","6","1") = "6"
    & skf21("2","4","4","3","5","7","7","1") = "6"
    & skf21("2","4","4","3","6","1","1","1") = "5"
    & skf21("2","4","4","3","6","1","2","1") = "5"
    & skf21("2","4","4","3","6","1","3","1") = "5"
    & skf21("2","4","4","3","6","1","4","1") = "5"
    & skf21("2","4","4","3","6","1","5","1") = "5"
    & skf21("2","4","4","3","6","1","6","1") = "5"
    & skf21("2","4","4","3","6","1","7","1") = "6"
    & skf21("2","4","4","3","6","2","1","1") = "5"
    & skf21("2","4","4","3","6","2","2","1") = "5"
    & skf21("2","4","4","3","6","2","3","1") = "5"
    & skf21("2","4","4","3","6","2","4","1") = "5"
    & skf21("2","4","4","3","6","2","5","1") = "5"
    & skf21("2","4","4","3","6","2","6","1") = "5"
    & skf21("2","4","4","3","6","2","7","1") = "6"
    & skf21("2","4","4","3","6","3","1","1") = "5"
    & skf21("2","4","4","3","6","3","2","1") = "5"
    & skf21("2","4","4","3","6","3","3","1") = "5"
    & skf21("2","4","4","3","6","3","4","1") = "5"
    & skf21("2","4","4","3","6","3","5","1") = "5"
    & skf21("2","4","4","3","6","3","6","1") = "5"
    & skf21("2","4","4","3","6","3","7","1") = "6"
    & skf21("2","4","4","3","6","4","1","1") = "5"
    & skf21("2","4","4","3","6","4","2","1") = "5"
    & skf21("2","4","4","3","6","4","3","1") = "5"
    & skf21("2","4","4","3","6","4","4","1") = "5"
    & skf21("2","4","4","3","6","4","5","1") = "5"
    & skf21("2","4","4","3","6","4","6","1") = "5"
    & skf21("2","4","4","3","6","4","7","1") = "6"
    & skf21("2","4","4","3","6","5","1","1") = "5"
    & skf21("2","4","4","3","6","5","2","1") = "5"
    & skf21("2","4","4","3","6","5","3","1") = "5"
    & skf21("2","4","4","3","6","5","4","1") = "5"
    & skf21("2","4","4","3","6","5","5","1") = "5"
    & skf21("2","4","4","3","6","5","6","1") = "5"
    & skf21("2","4","4","3","6","5","7","1") = "6"
    & skf21("2","4","4","3","6","6","1","1") = "5"
    & skf21("2","4","4","3","6","6","2","1") = "5"
    & skf21("2","4","4","3","6","6","3","1") = "5"
    & skf21("2","4","4","3","6","6","4","1") = "5"
    & skf21("2","4","4","3","6","6","5","1") = "5"
    & skf21("2","4","4","3","6","6","6","1") = "5"
    & skf21("2","4","4","3","6","6","7","1") = "6"
    & skf21("2","4","4","3","6","7","1","1") = "6"
    & skf21("2","4","4","3","6","7","2","1") = "6"
    & skf21("2","4","4","3","6","7","3","1") = "6"
    & skf21("2","4","4","3","6","7","4","1") = "6"
    & skf21("2","4","4","3","6","7","5","1") = "6"
    & skf21("2","4","4","3","6","7","6","1") = "6"
    & skf21("2","4","4","3","6","7","7","1") = "6"
    & skf21("2","4","4","3","7","1","1","1") = "6"
    & skf21("2","4","4","3","7","1","2","1") = "6"
    & skf21("2","4","4","3","7","1","3","1") = "6"
    & skf21("2","4","4","3","7","1","4","1") = "6"
    & skf21("2","4","4","3","7","1","5","1") = "6"
    & skf21("2","4","4","3","7","1","6","1") = "6"
    & skf21("2","4","4","3","7","1","7","1") = "6"
    & skf21("2","4","4","3","7","2","1","1") = "6"
    & skf21("2","4","4","3","7","2","2","1") = "6"
    & skf21("2","4","4","3","7","2","3","1") = "6"
    & skf21("2","4","4","3","7","2","4","1") = "6"
    & skf21("2","4","4","3","7","2","5","1") = "6"
    & skf21("2","4","4","3","7","2","6","1") = "6"
    & skf21("2","4","4","3","7","2","7","1") = "6"
    & skf21("2","4","4","3","7","3","1","1") = "6"
    & skf21("2","4","4","3","7","3","2","1") = "6"
    & skf21("2","4","4","3","7","3","3","1") = "6"
    & skf21("2","4","4","3","7","3","4","1") = "6"
    & skf21("2","4","4","3","7","3","5","1") = "6"
    & skf21("2","4","4","3","7","3","6","1") = "6"
    & skf21("2","4","4","3","7","3","7","1") = "6"
    & skf21("2","4","4","3","7","4","1","1") = "6"
    & skf21("2","4","4","3","7","4","2","1") = "6"
    & skf21("2","4","4","3","7","4","3","1") = "6"
    & skf21("2","4","4","3","7","4","4","1") = "6"
    & skf21("2","4","4","3","7","4","5","1") = "6"
    & skf21("2","4","4","3","7","4","6","1") = "6"
    & skf21("2","4","4","3","7","4","7","1") = "6"
    & skf21("2","4","4","3","7","5","1","1") = "6"
    & skf21("2","4","4","3","7","5","2","1") = "6"
    & skf21("2","4","4","3","7","5","3","1") = "6"
    & skf21("2","4","4","3","7","5","4","1") = "6"
    & skf21("2","4","4","3","7","5","5","1") = "6"
    & skf21("2","4","4","3","7","5","6","1") = "6"
    & skf21("2","4","4","3","7","5","7","1") = "6"
    & skf21("2","4","4","3","7","6","1","1") = "6"
    & skf21("2","4","4","3","7","6","2","1") = "6"
    & skf21("2","4","4","3","7","6","3","1") = "6"
    & skf21("2","4","4","3","7","6","4","1") = "6"
    & skf21("2","4","4","3","7","6","5","1") = "6"
    & skf21("2","4","4","3","7","6","6","1") = "6"
    & skf21("2","4","4","3","7","6","7","1") = "6"
    & skf21("2","4","4","3","7","7","1","1") = "6"
    & skf21("2","4","4","3","7","7","2","1") = "6"
    & skf21("2","4","4","3","7","7","3","1") = "6"
    & skf21("2","4","4","3","7","7","4","1") = "6"
    & skf21("2","4","4","3","7","7","5","1") = "6"
    & skf21("2","4","4","3","7","7","6","1") = "6"
    & skf21("2","4","4","3","7","7","7","1") = "6"
    & skf21("2","4","4","4","1","1","1","1") = "3"
    & skf21("2","4","4","4","1","1","2","1") = "3"
    & skf21("2","4","4","4","1","1","3","1") = "3"
    & skf21("2","4","4","4","1","1","4","1") = "3"
    & skf21("2","4","4","4","1","1","5","1") = "4"
    & skf21("2","4","4","4","1","1","6","1") = "5"
    & skf21("2","4","4","4","1","1","7","1") = "6"
    & skf21("2","4","4","4","1","2","1","1") = "3"
    & skf21("2","4","4","4","1","2","2","1") = "3"
    & skf21("2","4","4","4","1","2","3","1") = "3"
    & skf21("2","4","4","4","1","2","4","1") = "3"
    & skf21("2","4","4","4","1","2","5","1") = "4"
    & skf21("2","4","4","4","1","2","6","1") = "5"
    & skf21("2","4","4","4","1","2","7","1") = "6"
    & skf21("2","4","4","4","1","3","1","1") = "3"
    & skf21("2","4","4","4","1","3","2","1") = "3"
    & skf21("2","4","4","4","1","3","3","1") = "3"
    & skf21("2","4","4","4","1","3","4","1") = "3"
    & skf21("2","4","4","4","1","3","5","1") = "4"
    & skf21("2","4","4","4","1","3","6","1") = "5"
    & skf21("2","4","4","4","1","3","7","1") = "6"
    & skf21("2","4","4","4","1","4","1","1") = "3"
    & skf21("2","4","4","4","1","4","2","1") = "3"
    & skf21("2","4","4","4","1","4","3","1") = "3"
    & skf21("2","4","4","4","1","4","4","1") = "3"
    & skf21("2","4","4","4","1","4","5","1") = "4"
    & skf21("2","4","4","4","1","4","6","1") = "5"
    & skf21("2","4","4","4","1","4","7","1") = "6"
    & skf21("2","4","4","4","1","5","1","1") = "4"
    & skf21("2","4","4","4","1","5","2","1") = "4"
    & skf21("2","4","4","4","1","5","3","1") = "4"
    & skf21("2","4","4","4","1","5","4","1") = "4"
    & skf21("2","4","4","4","1","5","5","1") = "4"
    & skf21("2","4","4","4","1","5","6","1") = "5"
    & skf21("2","4","4","4","1","5","7","1") = "6"
    & skf21("2","4","4","4","1","6","1","1") = "5"
    & skf21("2","4","4","4","1","6","2","1") = "5"
    & skf21("2","4","4","4","1","6","3","1") = "5"
    & skf21("2","4","4","4","1","6","4","1") = "5"
    & skf21("2","4","4","4","1","6","5","1") = "5"
    & skf21("2","4","4","4","1","6","6","1") = "5"
    & skf21("2","4","4","4","1","6","7","1") = "6"
    & skf21("2","4","4","4","1","7","1","1") = "6"
    & skf21("2","4","4","4","1","7","2","1") = "6"
    & skf21("2","4","4","4","1","7","3","1") = "6"
    & skf21("2","4","4","4","1","7","4","1") = "6"
    & skf21("2","4","4","4","1","7","5","1") = "6"
    & skf21("2","4","4","4","1","7","6","1") = "6"
    & skf21("2","4","4","4","1","7","7","1") = "6"
    & skf21("2","4","4","4","2","1","1","1") = "3"
    & skf21("2","4","4","4","2","1","2","1") = "3"
    & skf21("2","4","4","4","2","1","3","1") = "3"
    & skf21("2","4","4","4","2","1","4","1") = "3"
    & skf21("2","4","4","4","2","1","5","1") = "4"
    & skf21("2","4","4","4","2","1","6","1") = "5"
    & skf21("2","4","4","4","2","1","7","1") = "6"
    & skf21("2","4","4","4","2","2","1","1") = "3"
    & skf21("2","4","4","4","2","2","2","1") = "3"
    & skf21("2","4","4","4","2","2","3","1") = "3"
    & skf21("2","4","4","4","2","2","4","1") = "3"
    & skf21("2","4","4","4","2","2","5","1") = "4"
    & skf21("2","4","4","4","2","2","6","1") = "5"
    & skf21("2","4","4","4","2","2","7","1") = "6"
    & skf21("2","4","4","4","2","3","1","1") = "3"
    & skf21("2","4","4","4","2","3","2","1") = "3"
    & skf21("2","4","4","4","2","3","3","1") = "3"
    & skf21("2","4","4","4","2","3","4","1") = "3"
    & skf21("2","4","4","4","2","3","5","1") = "4"
    & skf21("2","4","4","4","2","3","6","1") = "5"
    & skf21("2","4","4","4","2","3","7","1") = "6"
    & skf21("2","4","4","4","2","4","1","1") = "3"
    & skf21("2","4","4","4","2","4","2","1") = "3"
    & skf21("2","4","4","4","2","4","3","1") = "3"
    & skf21("2","4","4","4","2","4","4","1") = "3"
    & skf21("2","4","4","4","2","4","5","1") = "4"
    & skf21("2","4","4","4","2","4","6","1") = "5"
    & skf21("2","4","4","4","2","4","7","1") = "6"
    & skf21("2","4","4","4","2","5","1","1") = "4"
    & skf21("2","4","4","4","2","5","2","1") = "4"
    & skf21("2","4","4","4","2","5","3","1") = "4"
    & skf21("2","4","4","4","2","5","4","1") = "4"
    & skf21("2","4","4","4","2","5","5","1") = "4"
    & skf21("2","4","4","4","2","5","6","1") = "5"
    & skf21("2","4","4","4","2","5","7","1") = "6"
    & skf21("2","4","4","4","2","6","1","1") = "5"
    & skf21("2","4","4","4","2","6","2","1") = "5"
    & skf21("2","4","4","4","2","6","3","1") = "5"
    & skf21("2","4","4","4","2","6","4","1") = "5"
    & skf21("2","4","4","4","2","6","5","1") = "5"
    & skf21("2","4","4","4","2","6","6","1") = "5"
    & skf21("2","4","4","4","2","6","7","1") = "6"
    & skf21("2","4","4","4","2","7","1","1") = "6"
    & skf21("2","4","4","4","2","7","2","1") = "6"
    & skf21("2","4","4","4","2","7","3","1") = "6"
    & skf21("2","4","4","4","2","7","4","1") = "6"
    & skf21("2","4","4","4","2","7","5","1") = "6"
    & skf21("2","4","4","4","2","7","6","1") = "6"
    & skf21("2","4","4","4","2","7","7","1") = "6"
    & skf21("2","4","4","4","3","1","1","1") = "3"
    & skf21("2","4","4","4","3","1","2","1") = "3"
    & skf21("2","4","4","4","3","1","3","1") = "3"
    & skf21("2","4","4","4","3","1","4","1") = "3"
    & skf21("2","4","4","4","3","1","5","1") = "4"
    & skf21("2","4","4","4","3","1","6","1") = "5"
    & skf21("2","4","4","4","3","1","7","1") = "6"
    & skf21("2","4","4","4","3","2","1","1") = "3"
    & skf21("2","4","4","4","3","2","2","1") = "3"
    & skf21("2","4","4","4","3","2","3","1") = "3"
    & skf21("2","4","4","4","3","2","4","1") = "3"
    & skf21("2","4","4","4","3","2","5","1") = "4"
    & skf21("2","4","4","4","3","2","6","1") = "5"
    & skf21("2","4","4","4","3","2","7","1") = "6"
    & skf21("2","4","4","4","3","3","1","1") = "3"
    & skf21("2","4","4","4","3","3","2","1") = "3"
    & skf21("2","4","4","4","3","3","3","1") = "3"
    & skf21("2","4","4","4","3","3","4","1") = "3"
    & skf21("2","4","4","4","3","3","5","1") = "4"
    & skf21("2","4","4","4","3","3","6","1") = "5"
    & skf21("2","4","4","4","3","3","7","1") = "6"
    & skf21("2","4","4","4","3","4","1","1") = "3"
    & skf21("2","4","4","4","3","4","2","1") = "3"
    & skf21("2","4","4","4","3","4","3","1") = "3"
    & skf21("2","4","4","4","3","4","4","1") = "3"
    & skf21("2","4","4","4","3","4","5","1") = "4"
    & skf21("2","4","4","4","3","4","6","1") = "5"
    & skf21("2","4","4","4","3","4","7","1") = "6"
    & skf21("2","4","4","4","3","5","1","1") = "4"
    & skf21("2","4","4","4","3","5","2","1") = "4"
    & skf21("2","4","4","4","3","5","3","1") = "4"
    & skf21("2","4","4","4","3","5","4","1") = "4"
    & skf21("2","4","4","4","3","5","5","1") = "4"
    & skf21("2","4","4","4","3","5","6","1") = "5"
    & skf21("2","4","4","4","3","5","7","1") = "6"
    & skf21("2","4","4","4","3","6","1","1") = "5"
    & skf21("2","4","4","4","3","6","2","1") = "5"
    & skf21("2","4","4","4","3","6","3","1") = "5"
    & skf21("2","4","4","4","3","6","4","1") = "5"
    & skf21("2","4","4","4","3","6","5","1") = "5"
    & skf21("2","4","4","4","3","6","6","1") = "5"
    & skf21("2","4","4","4","3","6","7","1") = "6"
    & skf21("2","4","4","4","3","7","1","1") = "6"
    & skf21("2","4","4","4","3","7","2","1") = "6"
    & skf21("2","4","4","4","3","7","3","1") = "6"
    & skf21("2","4","4","4","3","7","4","1") = "6"
    & skf21("2","4","4","4","3","7","5","1") = "6"
    & skf21("2","4","4","4","3","7","6","1") = "6"
    & skf21("2","4","4","4","3","7","7","1") = "6"
    & skf21("2","4","4","4","4","1","1","1") = "3"
    & skf21("2","4","4","4","4","1","2","1") = "3"
    & skf21("2","4","4","4","4","1","3","1") = "3"
    & skf21("2","4","4","4","4","1","4","1") = "3"
    & skf21("2","4","4","4","4","1","5","1") = "4"
    & skf21("2","4","4","4","4","1","6","1") = "5"
    & skf21("2","4","4","4","4","1","7","1") = "6"
    & skf21("2","4","4","4","4","2","1","1") = "3"
    & skf21("2","4","4","4","4","2","2","1") = "3"
    & skf21("2","4","4","4","4","2","3","1") = "3"
    & skf21("2","4","4","4","4","2","4","1") = "3"
    & skf21("2","4","4","4","4","2","5","1") = "4"
    & skf21("2","4","4","4","4","2","6","1") = "5"
    & skf21("2","4","4","4","4","2","7","1") = "6"
    & skf21("2","4","4","4","4","3","1","1") = "3"
    & skf21("2","4","4","4","4","3","2","1") = "3"
    & skf21("2","4","4","4","4","3","3","1") = "3"
    & skf21("2","4","4","4","4","3","4","1") = "3"
    & skf21("2","4","4","4","4","3","5","1") = "4"
    & skf21("2","4","4","4","4","3","6","1") = "5"
    & skf21("2","4","4","4","4","3","7","1") = "6"
    & skf21("2","4","4","4","4","4","1","1") = "3"
    & skf21("2","4","4","4","4","4","2","1") = "3"
    & skf21("2","4","4","4","4","4","3","1") = "3"
    & skf21("2","4","4","4","4","4","4","1") = "3"
    & skf21("2","4","4","4","4","4","5","1") = "4"
    & skf21("2","4","4","4","4","4","6","1") = "5"
    & skf21("2","4","4","4","4","4","7","1") = "6"
    & skf21("2","4","4","4","4","5","1","1") = "4"
    & skf21("2","4","4","4","4","5","2","1") = "4"
    & skf21("2","4","4","4","4","5","3","1") = "4"
    & skf21("2","4","4","4","4","5","4","1") = "4"
    & skf21("2","4","4","4","4","5","5","1") = "4"
    & skf21("2","4","4","4","4","5","6","1") = "5"
    & skf21("2","4","4","4","4","5","7","1") = "6"
    & skf21("2","4","4","4","4","6","1","1") = "5"
    & skf21("2","4","4","4","4","6","2","1") = "5"
    & skf21("2","4","4","4","4","6","3","1") = "5"
    & skf21("2","4","4","4","4","6","4","1") = "5"
    & skf21("2","4","4","4","4","6","5","1") = "5"
    & skf21("2","4","4","4","4","6","6","1") = "5"
    & skf21("2","4","4","4","4","6","7","1") = "6"
    & skf21("2","4","4","4","4","7","1","1") = "6"
    & skf21("2","4","4","4","4","7","2","1") = "6"
    & skf21("2","4","4","4","4","7","3","1") = "6"
    & skf21("2","4","4","4","4","7","4","1") = "6"
    & skf21("2","4","4","4","4","7","5","1") = "6"
    & skf21("2","4","4","4","4","7","6","1") = "6"
    & skf21("2","4","4","4","4","7","7","1") = "6"
    & skf21("2","4","4","4","5","1","1","1") = "4"
    & skf21("2","4","4","4","5","1","2","1") = "4"
    & skf21("2","4","4","4","5","1","3","1") = "4"
    & skf21("2","4","4","4","5","1","4","1") = "4"
    & skf21("2","4","4","4","5","1","5","1") = "4"
    & skf21("2","4","4","4","5","1","6","1") = "5"
    & skf21("2","4","4","4","5","1","7","1") = "6"
    & skf21("2","4","4","4","5","2","1","1") = "4"
    & skf21("2","4","4","4","5","2","2","1") = "4"
    & skf21("2","4","4","4","5","2","3","1") = "4"
    & skf21("2","4","4","4","5","2","4","1") = "4"
    & skf21("2","4","4","4","5","2","5","1") = "4"
    & skf21("2","4","4","4","5","2","6","1") = "5"
    & skf21("2","4","4","4","5","2","7","1") = "6"
    & skf21("2","4","4","4","5","3","1","1") = "4"
    & skf21("2","4","4","4","5","3","2","1") = "4"
    & skf21("2","4","4","4","5","3","3","1") = "4"
    & skf21("2","4","4","4","5","3","4","1") = "4"
    & skf21("2","4","4","4","5","3","5","1") = "4"
    & skf21("2","4","4","4","5","3","6","1") = "5"
    & skf21("2","4","4","4","5","3","7","1") = "6"
    & skf21("2","4","4","4","5","4","1","1") = "4"
    & skf21("2","4","4","4","5","4","2","1") = "4"
    & skf21("2","4","4","4","5","4","3","1") = "4"
    & skf21("2","4","4","4","5","4","4","1") = "4"
    & skf21("2","4","4","4","5","4","5","1") = "4"
    & skf21("2","4","4","4","5","4","6","1") = "5"
    & skf21("2","4","4","4","5","4","7","1") = "6"
    & skf21("2","4","4","4","5","5","1","1") = "4"
    & skf21("2","4","4","4","5","5","2","1") = "4"
    & skf21("2","4","4","4","5","5","3","1") = "4"
    & skf21("2","4","4","4","5","5","4","1") = "4"
    & skf21("2","4","4","4","5","5","5","1") = "4"
    & skf21("2","4","4","4","5","5","6","1") = "5"
    & skf21("2","4","4","4","5","5","7","1") = "6"
    & skf21("2","4","4","4","5","6","1","1") = "5"
    & skf21("2","4","4","4","5","6","2","1") = "5"
    & skf21("2","4","4","4","5","6","3","1") = "5"
    & skf21("2","4","4","4","5","6","4","1") = "5"
    & skf21("2","4","4","4","5","6","5","1") = "5"
    & skf21("2","4","4","4","5","6","6","1") = "5"
    & skf21("2","4","4","4","5","6","7","1") = "6"
    & skf21("2","4","4","4","5","7","1","1") = "6"
    & skf21("2","4","4","4","5","7","2","1") = "6"
    & skf21("2","4","4","4","5","7","3","1") = "6"
    & skf21("2","4","4","4","5","7","4","1") = "6"
    & skf21("2","4","4","4","5","7","5","1") = "6"
    & skf21("2","4","4","4","5","7","6","1") = "6"
    & skf21("2","4","4","4","5","7","7","1") = "6"
    & skf21("2","4","4","4","6","1","1","1") = "5"
    & skf21("2","4","4","4","6","1","2","1") = "5"
    & skf21("2","4","4","4","6","1","3","1") = "5"
    & skf21("2","4","4","4","6","1","4","1") = "5"
    & skf21("2","4","4","4","6","1","5","1") = "5"
    & skf21("2","4","4","4","6","1","6","1") = "5"
    & skf21("2","4","4","4","6","1","7","1") = "6"
    & skf21("2","4","4","4","6","2","1","1") = "5"
    & skf21("2","4","4","4","6","2","2","1") = "5"
    & skf21("2","4","4","4","6","2","3","1") = "5"
    & skf21("2","4","4","4","6","2","4","1") = "5"
    & skf21("2","4","4","4","6","2","5","1") = "5"
    & skf21("2","4","4","4","6","2","6","1") = "5"
    & skf21("2","4","4","4","6","2","7","1") = "6"
    & skf21("2","4","4","4","6","3","1","1") = "5"
    & skf21("2","4","4","4","6","3","2","1") = "5"
    & skf21("2","4","4","4","6","3","3","1") = "5"
    & skf21("2","4","4","4","6","3","4","1") = "5"
    & skf21("2","4","4","4","6","3","5","1") = "5"
    & skf21("2","4","4","4","6","3","6","1") = "5"
    & skf21("2","4","4","4","6","3","7","1") = "6"
    & skf21("2","4","4","4","6","4","1","1") = "5"
    & skf21("2","4","4","4","6","4","2","1") = "5"
    & skf21("2","4","4","4","6","4","3","1") = "5"
    & skf21("2","4","4","4","6","4","4","1") = "5"
    & skf21("2","4","4","4","6","4","5","1") = "5"
    & skf21("2","4","4","4","6","4","6","1") = "5"
    & skf21("2","4","4","4","6","4","7","1") = "6"
    & skf21("2","4","4","4","6","5","1","1") = "5"
    & skf21("2","4","4","4","6","5","2","1") = "5"
    & skf21("2","4","4","4","6","5","3","1") = "5"
    & skf21("2","4","4","4","6","5","4","1") = "5"
    & skf21("2","4","4","4","6","5","5","1") = "5"
    & skf21("2","4","4","4","6","5","6","1") = "5"
    & skf21("2","4","4","4","6","5","7","1") = "6"
    & skf21("2","4","4","4","6","6","1","1") = "5"
    & skf21("2","4","4","4","6","6","2","1") = "5"
    & skf21("2","4","4","4","6","6","3","1") = "5"
    & skf21("2","4","4","4","6","6","4","1") = "5"
    & skf21("2","4","4","4","6","6","5","1") = "5"
    & skf21("2","4","4","4","6","6","6","1") = "5"
    & skf21("2","4","4","4","6","6","7","1") = "6"
    & skf21("2","4","4","4","6","7","1","1") = "6"
    & skf21("2","4","4","4","6","7","2","1") = "6"
    & skf21("2","4","4","4","6","7","3","1") = "6"
    & skf21("2","4","4","4","6","7","4","1") = "6"
    & skf21("2","4","4","4","6","7","5","1") = "6"
    & skf21("2","4","4","4","6","7","6","1") = "6"
    & skf21("2","4","4","4","6","7","7","1") = "6"
    & skf21("2","4","4","4","7","1","1","1") = "6"
    & skf21("2","4","4","4","7","1","2","1") = "6"
    & skf21("2","4","4","4","7","1","3","1") = "6"
    & skf21("2","4","4","4","7","1","4","1") = "6"
    & skf21("2","4","4","4","7","1","5","1") = "6"
    & skf21("2","4","4","4","7","1","6","1") = "6"
    & skf21("2","4","4","4","7","1","7","1") = "6"
    & skf21("2","4","4","4","7","2","1","1") = "6"
    & skf21("2","4","4","4","7","2","2","1") = "6"
    & skf21("2","4","4","4","7","2","3","1") = "6"
    & skf21("2","4","4","4","7","2","4","1") = "6"
    & skf21("2","4","4","4","7","2","5","1") = "6"
    & skf21("2","4","4","4","7","2","6","1") = "6"
    & skf21("2","4","4","4","7","2","7","1") = "6"
    & skf21("2","4","4","4","7","3","1","1") = "6"
    & skf21("2","4","4","4","7","3","2","1") = "6"
    & skf21("2","4","4","4","7","3","3","1") = "6"
    & skf21("2","4","4","4","7","3","4","1") = "6"
    & skf21("2","4","4","4","7","3","5","1") = "6"
    & skf21("2","4","4","4","7","3","6","1") = "6"
    & skf21("2","4","4","4","7","3","7","1") = "6"
    & skf21("2","4","4","4","7","4","1","1") = "6"
    & skf21("2","4","4","4","7","4","2","1") = "6"
    & skf21("2","4","4","4","7","4","3","1") = "6"
    & skf21("2","4","4","4","7","4","4","1") = "6"
    & skf21("2","4","4","4","7","4","5","1") = "6"
    & skf21("2","4","4","4","7","4","6","1") = "6"
    & skf21("2","4","4","4","7","4","7","1") = "6"
    & skf21("2","4","4","4","7","5","1","1") = "6"
    & skf21("2","4","4","4","7","5","2","1") = "6"
    & skf21("2","4","4","4","7","5","3","1") = "6"
    & skf21("2","4","4","4","7","5","4","1") = "6"
    & skf21("2","4","4","4","7","5","5","1") = "6"
    & skf21("2","4","4","4","7","5","6","1") = "6"
    & skf21("2","4","4","4","7","5","7","1") = "6"
    & skf21("2","4","4","4","7","6","1","1") = "6"
    & skf21("2","4","4","4","7","6","2","1") = "6"
    & skf21("2","4","4","4","7","6","3","1") = "6"
    & skf21("2","4","4","4","7","6","4","1") = "6"
    & skf21("2","4","4","4","7","6","5","1") = "6"
    & skf21("2","4","4","4","7","6","6","1") = "6"
    & skf21("2","4","4","4","7","6","7","1") = "6"
    & skf21("2","4","4","4","7","7","1","1") = "6"
    & skf21("2","4","4","4","7","7","2","1") = "6"
    & skf21("2","4","4","4","7","7","3","1") = "6"
    & skf21("2","4","4","4","7","7","4","1") = "6"
    & skf21("2","4","4","4","7","7","5","1") = "6"
    & skf21("2","4","4","4","7","7","6","1") = "6"
    & skf21("2","4","4","4","7","7","7","1") = "6"
    & skf21("2","4","4","5","1","1","1","1") = "4"
    & skf21("2","4","4","5","1","1","2","1") = "4"
    & skf21("2","4","4","5","1","1","3","1") = "4"
    & skf21("2","4","4","5","1","1","4","1") = "4"
    & skf21("2","4","4","5","1","1","5","1") = "4"
    & skf21("2","4","4","5","1","1","6","1") = "5"
    & skf21("2","4","4","5","1","1","7","1") = "6"
    & skf21("2","4","4","5","1","2","1","1") = "4"
    & skf21("2","4","4","5","1","2","2","1") = "4"
    & skf21("2","4","4","5","1","2","3","1") = "4"
    & skf21("2","4","4","5","1","2","4","1") = "4"
    & skf21("2","4","4","5","1","2","5","1") = "4"
    & skf21("2","4","4","5","1","2","6","1") = "5"
    & skf21("2","4","4","5","1","2","7","1") = "6"
    & skf21("2","4","4","5","1","3","1","1") = "4"
    & skf21("2","4","4","5","1","3","2","1") = "4"
    & skf21("2","4","4","5","1","3","3","1") = "4"
    & skf21("2","4","4","5","1","3","4","1") = "4"
    & skf21("2","4","4","5","1","3","5","1") = "4"
    & skf21("2","4","4","5","1","3","6","1") = "5"
    & skf21("2","4","4","5","1","3","7","1") = "6"
    & skf21("2","4","4","5","1","4","1","1") = "4"
    & skf21("2","4","4","5","1","4","2","1") = "4"
    & skf21("2","4","4","5","1","4","3","1") = "4"
    & skf21("2","4","4","5","1","4","4","1") = "4"
    & skf21("2","4","4","5","1","4","5","1") = "4"
    & skf21("2","4","4","5","1","4","6","1") = "5"
    & skf21("2","4","4","5","1","4","7","1") = "6"
    & skf21("2","4","4","5","1","5","1","1") = "4"
    & skf21("2","4","4","5","1","5","2","1") = "4"
    & skf21("2","4","4","5","1","5","3","1") = "4"
    & skf21("2","4","4","5","1","5","4","1") = "4"
    & skf21("2","4","4","5","1","5","5","1") = "4"
    & skf21("2","4","4","5","1","5","6","1") = "5"
    & skf21("2","4","4","5","1","5","7","1") = "6"
    & skf21("2","4","4","5","1","6","1","1") = "5"
    & skf21("2","4","4","5","1","6","2","1") = "5"
    & skf21("2","4","4","5","1","6","3","1") = "5"
    & skf21("2","4","4","5","1","6","4","1") = "5"
    & skf21("2","4","4","5","1","6","5","1") = "5"
    & skf21("2","4","4","5","1","6","6","1") = "5"
    & skf21("2","4","4","5","1","6","7","1") = "6"
    & skf21("2","4","4","5","1","7","1","1") = "6"
    & skf21("2","4","4","5","1","7","2","1") = "6"
    & skf21("2","4","4","5","1","7","3","1") = "6"
    & skf21("2","4","4","5","1","7","4","1") = "6"
    & skf21("2","4","4","5","1","7","5","1") = "6"
    & skf21("2","4","4","5","1","7","6","1") = "6"
    & skf21("2","4","4","5","1","7","7","1") = "6"
    & skf21("2","4","4","5","2","1","1","1") = "4"
    & skf21("2","4","4","5","2","1","2","1") = "4"
    & skf21("2","4","4","5","2","1","3","1") = "4"
    & skf21("2","4","4","5","2","1","4","1") = "4"
    & skf21("2","4","4","5","2","1","5","1") = "4"
    & skf21("2","4","4","5","2","1","6","1") = "5"
    & skf21("2","4","4","5","2","1","7","1") = "6"
    & skf21("2","4","4","5","2","2","1","1") = "4"
    & skf21("2","4","4","5","2","2","2","1") = "4"
    & skf21("2","4","4","5","2","2","3","1") = "4"
    & skf21("2","4","4","5","2","2","4","1") = "4"
    & skf21("2","4","4","5","2","2","5","1") = "4"
    & skf21("2","4","4","5","2","2","6","1") = "5"
    & skf21("2","4","4","5","2","2","7","1") = "6"
    & skf21("2","4","4","5","2","3","1","1") = "4"
    & skf21("2","4","4","5","2","3","2","1") = "4"
    & skf21("2","4","4","5","2","3","3","1") = "4"
    & skf21("2","4","4","5","2","3","4","1") = "4"
    & skf21("2","4","4","5","2","3","5","1") = "4"
    & skf21("2","4","4","5","2","3","6","1") = "5"
    & skf21("2","4","4","5","2","3","7","1") = "6"
    & skf21("2","4","4","5","2","4","1","1") = "4"
    & skf21("2","4","4","5","2","4","2","1") = "4"
    & skf21("2","4","4","5","2","4","3","1") = "4"
    & skf21("2","4","4","5","2","4","4","1") = "4"
    & skf21("2","4","4","5","2","4","5","1") = "4"
    & skf21("2","4","4","5","2","4","6","1") = "5"
    & skf21("2","4","4","5","2","4","7","1") = "6"
    & skf21("2","4","4","5","2","5","1","1") = "4"
    & skf21("2","4","4","5","2","5","2","1") = "4"
    & skf21("2","4","4","5","2","5","3","1") = "4"
    & skf21("2","4","4","5","2","5","4","1") = "4"
    & skf21("2","4","4","5","2","5","5","1") = "4"
    & skf21("2","4","4","5","2","5","6","1") = "5"
    & skf21("2","4","4","5","2","5","7","1") = "6"
    & skf21("2","4","4","5","2","6","1","1") = "5"
    & skf21("2","4","4","5","2","6","2","1") = "5"
    & skf21("2","4","4","5","2","6","3","1") = "5"
    & skf21("2","4","4","5","2","6","4","1") = "5"
    & skf21("2","4","4","5","2","6","5","1") = "5"
    & skf21("2","4","4","5","2","6","6","1") = "5"
    & skf21("2","4","4","5","2","6","7","1") = "6"
    & skf21("2","4","4","5","2","7","1","1") = "6"
    & skf21("2","4","4","5","2","7","2","1") = "6"
    & skf21("2","4","4","5","2","7","3","1") = "6"
    & skf21("2","4","4","5","2","7","4","1") = "6"
    & skf21("2","4","4","5","2","7","5","1") = "6"
    & skf21("2","4","4","5","2","7","6","1") = "6"
    & skf21("2","4","4","5","2","7","7","1") = "6"
    & skf21("2","4","4","5","3","1","1","1") = "4"
    & skf21("2","4","4","5","3","1","2","1") = "4"
    & skf21("2","4","4","5","3","1","3","1") = "4"
    & skf21("2","4","4","5","3","1","4","1") = "4"
    & skf21("2","4","4","5","3","1","5","1") = "4"
    & skf21("2","4","4","5","3","1","6","1") = "5"
    & skf21("2","4","4","5","3","1","7","1") = "6"
    & skf21("2","4","4","5","3","2","1","1") = "4"
    & skf21("2","4","4","5","3","2","2","1") = "4"
    & skf21("2","4","4","5","3","2","3","1") = "4"
    & skf21("2","4","4","5","3","2","4","1") = "4"
    & skf21("2","4","4","5","3","2","5","1") = "4"
    & skf21("2","4","4","5","3","2","6","1") = "5"
    & skf21("2","4","4","5","3","2","7","1") = "6"
    & skf21("2","4","4","5","3","3","1","1") = "4"
    & skf21("2","4","4","5","3","3","2","1") = "4"
    & skf21("2","4","4","5","3","3","3","1") = "4"
    & skf21("2","4","4","5","3","3","4","1") = "4"
    & skf21("2","4","4","5","3","3","5","1") = "4"
    & skf21("2","4","4","5","3","3","6","1") = "5"
    & skf21("2","4","4","5","3","3","7","1") = "6"
    & skf21("2","4","4","5","3","4","1","1") = "4"
    & skf21("2","4","4","5","3","4","2","1") = "4"
    & skf21("2","4","4","5","3","4","3","1") = "4"
    & skf21("2","4","4","5","3","4","4","1") = "4"
    & skf21("2","4","4","5","3","4","5","1") = "4"
    & skf21("2","4","4","5","3","4","6","1") = "5"
    & skf21("2","4","4","5","3","4","7","1") = "6"
    & skf21("2","4","4","5","3","5","1","1") = "4"
    & skf21("2","4","4","5","3","5","2","1") = "4"
    & skf21("2","4","4","5","3","5","3","1") = "4"
    & skf21("2","4","4","5","3","5","4","1") = "4"
    & skf21("2","4","4","5","3","5","5","1") = "4"
    & skf21("2","4","4","5","3","5","6","1") = "5"
    & skf21("2","4","4","5","3","5","7","1") = "6"
    & skf21("2","4","4","5","3","6","1","1") = "5"
    & skf21("2","4","4","5","3","6","2","1") = "5"
    & skf21("2","4","4","5","3","6","3","1") = "5"
    & skf21("2","4","4","5","3","6","4","1") = "5"
    & skf21("2","4","4","5","3","6","5","1") = "5"
    & skf21("2","4","4","5","3","6","6","1") = "5"
    & skf21("2","4","4","5","3","6","7","1") = "6"
    & skf21("2","4","4","5","3","7","1","1") = "6"
    & skf21("2","4","4","5","3","7","2","1") = "6"
    & skf21("2","4","4","5","3","7","3","1") = "6"
    & skf21("2","4","4","5","3","7","4","1") = "6"
    & skf21("2","4","4","5","3","7","5","1") = "6"
    & skf21("2","4","4","5","3","7","6","1") = "6"
    & skf21("2","4","4","5","3","7","7","1") = "6"
    & skf21("2","4","4","5","4","1","1","1") = "4"
    & skf21("2","4","4","5","4","1","2","1") = "4"
    & skf21("2","4","4","5","4","1","3","1") = "4"
    & skf21("2","4","4","5","4","1","4","1") = "4"
    & skf21("2","4","4","5","4","1","5","1") = "4"
    & skf21("2","4","4","5","4","1","6","1") = "5"
    & skf21("2","4","4","5","4","1","7","1") = "6"
    & skf21("2","4","4","5","4","2","1","1") = "4"
    & skf21("2","4","4","5","4","2","2","1") = "4"
    & skf21("2","4","4","5","4","2","3","1") = "4"
    & skf21("2","4","4","5","4","2","4","1") = "4"
    & skf21("2","4","4","5","4","2","5","1") = "4"
    & skf21("2","4","4","5","4","2","6","1") = "5"
    & skf21("2","4","4","5","4","2","7","1") = "6"
    & skf21("2","4","4","5","4","3","1","1") = "4"
    & skf21("2","4","4","5","4","3","2","1") = "4"
    & skf21("2","4","4","5","4","3","3","1") = "4"
    & skf21("2","4","4","5","4","3","4","1") = "4"
    & skf21("2","4","4","5","4","3","5","1") = "4"
    & skf21("2","4","4","5","4","3","6","1") = "5"
    & skf21("2","4","4","5","4","3","7","1") = "6"
    & skf21("2","4","4","5","4","4","1","1") = "4"
    & skf21("2","4","4","5","4","4","2","1") = "4"
    & skf21("2","4","4","5","4","4","3","1") = "4"
    & skf21("2","4","4","5","4","4","4","1") = "4"
    & skf21("2","4","4","5","4","4","5","1") = "4"
    & skf21("2","4","4","5","4","4","6","1") = "5"
    & skf21("2","4","4","5","4","4","7","1") = "6"
    & skf21("2","4","4","5","4","5","1","1") = "4"
    & skf21("2","4","4","5","4","5","2","1") = "4"
    & skf21("2","4","4","5","4","5","3","1") = "4"
    & skf21("2","4","4","5","4","5","4","1") = "4"
    & skf21("2","4","4","5","4","5","5","1") = "4"
    & skf21("2","4","4","5","4","5","6","1") = "5"
    & skf21("2","4","4","5","4","5","7","1") = "6"
    & skf21("2","4","4","5","4","6","1","1") = "5"
    & skf21("2","4","4","5","4","6","2","1") = "5"
    & skf21("2","4","4","5","4","6","3","1") = "5"
    & skf21("2","4","4","5","4","6","4","1") = "5"
    & skf21("2","4","4","5","4","6","5","1") = "5"
    & skf21("2","4","4","5","4","6","6","1") = "5"
    & skf21("2","4","4","5","4","6","7","1") = "6"
    & skf21("2","4","4","5","4","7","1","1") = "6"
    & skf21("2","4","4","5","4","7","2","1") = "6"
    & skf21("2","4","4","5","4","7","3","1") = "6"
    & skf21("2","4","4","5","4","7","4","1") = "6"
    & skf21("2","4","4","5","4","7","5","1") = "6"
    & skf21("2","4","4","5","4","7","6","1") = "6"
    & skf21("2","4","4","5","4","7","7","1") = "6"
    & skf21("2","4","4","5","5","1","1","1") = "4"
    & skf21("2","4","4","5","5","1","2","1") = "4"
    & skf21("2","4","4","5","5","1","3","1") = "4"
    & skf21("2","4","4","5","5","1","4","1") = "4"
    & skf21("2","4","4","5","5","1","5","1") = "4"
    & skf21("2","4","4","5","5","1","6","1") = "5"
    & skf21("2","4","4","5","5","1","7","1") = "6"
    & skf21("2","4","4","5","5","2","1","1") = "4"
    & skf21("2","4","4","5","5","2","2","1") = "4"
    & skf21("2","4","4","5","5","2","3","1") = "4"
    & skf21("2","4","4","5","5","2","4","1") = "4"
    & skf21("2","4","4","5","5","2","5","1") = "4"
    & skf21("2","4","4","5","5","2","6","1") = "5"
    & skf21("2","4","4","5","5","2","7","1") = "6"
    & skf21("2","4","4","5","5","3","1","1") = "4"
    & skf21("2","4","4","5","5","3","2","1") = "4"
    & skf21("2","4","4","5","5","3","3","1") = "4"
    & skf21("2","4","4","5","5","3","4","1") = "4"
    & skf21("2","4","4","5","5","3","5","1") = "4"
    & skf21("2","4","4","5","5","3","6","1") = "5"
    & skf21("2","4","4","5","5","3","7","1") = "6"
    & skf21("2","4","4","5","5","4","1","1") = "4"
    & skf21("2","4","4","5","5","4","2","1") = "4"
    & skf21("2","4","4","5","5","4","3","1") = "4"
    & skf21("2","4","4","5","5","4","4","1") = "4"
    & skf21("2","4","4","5","5","4","5","1") = "4"
    & skf21("2","4","4","5","5","4","6","1") = "5"
    & skf21("2","4","4","5","5","4","7","1") = "6"
    & skf21("2","4","4","5","5","5","1","1") = "4"
    & skf21("2","4","4","5","5","5","2","1") = "4"
    & skf21("2","4","4","5","5","5","3","1") = "4"
    & skf21("2","4","4","5","5","5","4","1") = "4"
    & skf21("2","4","4","5","5","5","5","1") = "4"
    & skf21("2","4","4","5","5","5","6","1") = "5"
    & skf21("2","4","4","5","5","5","7","1") = "6"
    & skf21("2","4","4","5","5","6","1","1") = "5"
    & skf21("2","4","4","5","5","6","2","1") = "5"
    & skf21("2","4","4","5","5","6","3","1") = "5"
    & skf21("2","4","4","5","5","6","4","1") = "5"
    & skf21("2","4","4","5","5","6","5","1") = "5"
    & skf21("2","4","4","5","5","6","6","1") = "5"
    & skf21("2","4","4","5","5","6","7","1") = "6"
    & skf21("2","4","4","5","5","7","1","1") = "6"
    & skf21("2","4","4","5","5","7","2","1") = "6"
    & skf21("2","4","4","5","5","7","3","1") = "6"
    & skf21("2","4","4","5","5","7","4","1") = "6"
    & skf21("2","4","4","5","5","7","5","1") = "6"
    & skf21("2","4","4","5","5","7","6","1") = "6"
    & skf21("2","4","4","5","5","7","7","1") = "6"
    & skf21("2","4","4","5","6","1","1","1") = "5"
    & skf21("2","4","4","5","6","1","2","1") = "5"
    & skf21("2","4","4","5","6","1","3","1") = "5"
    & skf21("2","4","4","5","6","1","4","1") = "5"
    & skf21("2","4","4","5","6","1","5","1") = "5"
    & skf21("2","4","4","5","6","1","6","1") = "5"
    & skf21("2","4","4","5","6","1","7","1") = "6"
    & skf21("2","4","4","5","6","2","1","1") = "5"
    & skf21("2","4","4","5","6","2","2","1") = "5"
    & skf21("2","4","4","5","6","2","3","1") = "5"
    & skf21("2","4","4","5","6","2","4","1") = "5"
    & skf21("2","4","4","5","6","2","5","1") = "5"
    & skf21("2","4","4","5","6","2","6","1") = "5"
    & skf21("2","4","4","5","6","2","7","1") = "6"
    & skf21("2","4","4","5","6","3","1","1") = "5"
    & skf21("2","4","4","5","6","3","2","1") = "5"
    & skf21("2","4","4","5","6","3","3","1") = "5"
    & skf21("2","4","4","5","6","3","4","1") = "5"
    & skf21("2","4","4","5","6","3","5","1") = "5"
    & skf21("2","4","4","5","6","3","6","1") = "5"
    & skf21("2","4","4","5","6","3","7","1") = "6"
    & skf21("2","4","4","5","6","4","1","1") = "5"
    & skf21("2","4","4","5","6","4","2","1") = "5"
    & skf21("2","4","4","5","6","4","3","1") = "5"
    & skf21("2","4","4","5","6","4","4","1") = "5"
    & skf21("2","4","4","5","6","4","5","1") = "5"
    & skf21("2","4","4","5","6","4","6","1") = "5"
    & skf21("2","4","4","5","6","4","7","1") = "6"
    & skf21("2","4","4","5","6","5","1","1") = "5"
    & skf21("2","4","4","5","6","5","2","1") = "5"
    & skf21("2","4","4","5","6","5","3","1") = "5"
    & skf21("2","4","4","5","6","5","4","1") = "5"
    & skf21("2","4","4","5","6","5","5","1") = "5"
    & skf21("2","4","4","5","6","5","6","1") = "5"
    & skf21("2","4","4","5","6","5","7","1") = "6"
    & skf21("2","4","4","5","6","6","1","1") = "5"
    & skf21("2","4","4","5","6","6","2","1") = "5"
    & skf21("2","4","4","5","6","6","3","1") = "5"
    & skf21("2","4","4","5","6","6","4","1") = "5"
    & skf21("2","4","4","5","6","6","5","1") = "5"
    & skf21("2","4","4","5","6","6","6","1") = "5"
    & skf21("2","4","4","5","6","6","7","1") = "6"
    & skf21("2","4","4","5","6","7","1","1") = "6"
    & skf21("2","4","4","5","6","7","2","1") = "6"
    & skf21("2","4","4","5","6","7","3","1") = "6"
    & skf21("2","4","4","5","6","7","4","1") = "6"
    & skf21("2","4","4","5","6","7","5","1") = "6"
    & skf21("2","4","4","5","6","7","6","1") = "6"
    & skf21("2","4","4","5","6","7","7","1") = "6"
    & skf21("2","4","4","5","7","1","1","1") = "6"
    & skf21("2","4","4","5","7","1","2","1") = "6"
    & skf21("2","4","4","5","7","1","3","1") = "6"
    & skf21("2","4","4","5","7","1","4","1") = "6"
    & skf21("2","4","4","5","7","1","5","1") = "6"
    & skf21("2","4","4","5","7","1","6","1") = "6"
    & skf21("2","4","4","5","7","1","7","1") = "6"
    & skf21("2","4","4","5","7","2","1","1") = "6"
    & skf21("2","4","4","5","7","2","2","1") = "6"
    & skf21("2","4","4","5","7","2","3","1") = "6"
    & skf21("2","4","4","5","7","2","4","1") = "6"
    & skf21("2","4","4","5","7","2","5","1") = "6"
    & skf21("2","4","4","5","7","2","6","1") = "6"
    & skf21("2","4","4","5","7","2","7","1") = "6"
    & skf21("2","4","4","5","7","3","1","1") = "6"
    & skf21("2","4","4","5","7","3","2","1") = "6"
    & skf21("2","4","4","5","7","3","3","1") = "6"
    & skf21("2","4","4","5","7","3","4","1") = "6"
    & skf21("2","4","4","5","7","3","5","1") = "6"
    & skf21("2","4","4","5","7","3","6","1") = "6"
    & skf21("2","4","4","5","7","3","7","1") = "6"
    & skf21("2","4","4","5","7","4","1","1") = "6"
    & skf21("2","4","4","5","7","4","2","1") = "6"
    & skf21("2","4","4","5","7","4","3","1") = "6"
    & skf21("2","4","4","5","7","4","4","1") = "6"
    & skf21("2","4","4","5","7","4","5","1") = "6"
    & skf21("2","4","4","5","7","4","6","1") = "6"
    & skf21("2","4","4","5","7","4","7","1") = "6"
    & skf21("2","4","4","5","7","5","1","1") = "6"
    & skf21("2","4","4","5","7","5","2","1") = "6"
    & skf21("2","4","4","5","7","5","3","1") = "6"
    & skf21("2","4","4","5","7","5","4","1") = "6"
    & skf21("2","4","4","5","7","5","5","1") = "6"
    & skf21("2","4","4","5","7","5","6","1") = "6"
    & skf21("2","4","4","5","7","5","7","1") = "6"
    & skf21("2","4","4","5","7","6","1","1") = "6"
    & skf21("2","4","4","5","7","6","2","1") = "6"
    & skf21("2","4","4","5","7","6","3","1") = "6"
    & skf21("2","4","4","5","7","6","4","1") = "6"
    & skf21("2","4","4","5","7","6","5","1") = "6"
    & skf21("2","4","4","5","7","6","6","1") = "6"
    & skf21("2","4","4","5","7","6","7","1") = "6"
    & skf21("2","4","4","5","7","7","1","1") = "6"
    & skf21("2","4","4","5","7","7","2","1") = "6"
    & skf21("2","4","4","5","7","7","3","1") = "6"
    & skf21("2","4","4","5","7","7","4","1") = "6"
    & skf21("2","4","4","5","7","7","5","1") = "6"
    & skf21("2","4","4","5","7","7","6","1") = "6"
    & skf21("2","4","4","5","7","7","7","1") = "6"
    & skf21("2","4","4","6","1","1","1","1") = "5"
    & skf21("2","4","4","6","1","1","2","1") = "5"
    & skf21("2","4","4","6","1","1","3","1") = "5"
    & skf21("2","4","4","6","1","1","4","1") = "5"
    & skf21("2","4","4","6","1","1","5","1") = "5"
    & skf21("2","4","4","6","1","1","6","1") = "5"
    & skf21("2","4","4","6","1","1","7","1") = "6"
    & skf21("2","4","4","6","1","2","1","1") = "5"
    & skf21("2","4","4","6","1","2","2","1") = "5"
    & skf21("2","4","4","6","1","2","3","1") = "5"
    & skf21("2","4","4","6","1","2","4","1") = "5"
    & skf21("2","4","4","6","1","2","5","1") = "5"
    & skf21("2","4","4","6","1","2","6","1") = "5"
    & skf21("2","4","4","6","1","2","7","1") = "6"
    & skf21("2","4","4","6","1","3","1","1") = "5"
    & skf21("2","4","4","6","1","3","2","1") = "5"
    & skf21("2","4","4","6","1","3","3","1") = "5"
    & skf21("2","4","4","6","1","3","4","1") = "5"
    & skf21("2","4","4","6","1","3","5","1") = "5"
    & skf21("2","4","4","6","1","3","6","1") = "5"
    & skf21("2","4","4","6","1","3","7","1") = "6"
    & skf21("2","4","4","6","1","4","1","1") = "5"
    & skf21("2","4","4","6","1","4","2","1") = "5"
    & skf21("2","4","4","6","1","4","3","1") = "5"
    & skf21("2","4","4","6","1","4","4","1") = "5"
    & skf21("2","4","4","6","1","4","5","1") = "5"
    & skf21("2","4","4","6","1","4","6","1") = "5"
    & skf21("2","4","4","6","1","4","7","1") = "6"
    & skf21("2","4","4","6","1","5","1","1") = "5"
    & skf21("2","4","4","6","1","5","2","1") = "5"
    & skf21("2","4","4","6","1","5","3","1") = "5"
    & skf21("2","4","4","6","1","5","4","1") = "5"
    & skf21("2","4","4","6","1","5","5","1") = "5"
    & skf21("2","4","4","6","1","5","6","1") = "5"
    & skf21("2","4","4","6","1","5","7","1") = "6"
    & skf21("2","4","4","6","1","6","1","1") = "5"
    & skf21("2","4","4","6","1","6","2","1") = "5"
    & skf21("2","4","4","6","1","6","3","1") = "5"
    & skf21("2","4","4","6","1","6","4","1") = "5"
    & skf21("2","4","4","6","1","6","5","1") = "5"
    & skf21("2","4","4","6","1","6","6","1") = "5"
    & skf21("2","4","4","6","1","6","7","1") = "6"
    & skf21("2","4","4","6","1","7","1","1") = "6"
    & skf21("2","4","4","6","1","7","2","1") = "6"
    & skf21("2","4","4","6","1","7","3","1") = "6"
    & skf21("2","4","4","6","1","7","4","1") = "6"
    & skf21("2","4","4","6","1","7","5","1") = "6"
    & skf21("2","4","4","6","1","7","6","1") = "6"
    & skf21("2","4","4","6","1","7","7","1") = "6"
    & skf21("2","4","4","6","2","1","1","1") = "5"
    & skf21("2","4","4","6","2","1","2","1") = "5"
    & skf21("2","4","4","6","2","1","3","1") = "5"
    & skf21("2","4","4","6","2","1","4","1") = "5"
    & skf21("2","4","4","6","2","1","5","1") = "5"
    & skf21("2","4","4","6","2","1","6","1") = "5"
    & skf21("2","4","4","6","2","1","7","1") = "6"
    & skf21("2","4","4","6","2","2","1","1") = "5"
    & skf21("2","4","4","6","2","2","2","1") = "5"
    & skf21("2","4","4","6","2","2","3","1") = "5"
    & skf21("2","4","4","6","2","2","4","1") = "5"
    & skf21("2","4","4","6","2","2","5","1") = "5"
    & skf21("2","4","4","6","2","2","6","1") = "5"
    & skf21("2","4","4","6","2","2","7","1") = "6"
    & skf21("2","4","4","6","2","3","1","1") = "5"
    & skf21("2","4","4","6","2","3","2","1") = "5"
    & skf21("2","4","4","6","2","3","3","1") = "5"
    & skf21("2","4","4","6","2","3","4","1") = "5"
    & skf21("2","4","4","6","2","3","5","1") = "5"
    & skf21("2","4","4","6","2","3","6","1") = "5"
    & skf21("2","4","4","6","2","3","7","1") = "6"
    & skf21("2","4","4","6","2","4","1","1") = "5"
    & skf21("2","4","4","6","2","4","2","1") = "5"
    & skf21("2","4","4","6","2","4","3","1") = "5"
    & skf21("2","4","4","6","2","4","4","1") = "5"
    & skf21("2","4","4","6","2","4","5","1") = "5"
    & skf21("2","4","4","6","2","4","6","1") = "5"
    & skf21("2","4","4","6","2","4","7","1") = "6"
    & skf21("2","4","4","6","2","5","1","1") = "5"
    & skf21("2","4","4","6","2","5","2","1") = "5"
    & skf21("2","4","4","6","2","5","3","1") = "5"
    & skf21("2","4","4","6","2","5","4","1") = "5"
    & skf21("2","4","4","6","2","5","5","1") = "5"
    & skf21("2","4","4","6","2","5","6","1") = "5"
    & skf21("2","4","4","6","2","5","7","1") = "6"
    & skf21("2","4","4","6","2","6","1","1") = "5"
    & skf21("2","4","4","6","2","6","2","1") = "5"
    & skf21("2","4","4","6","2","6","3","1") = "5"
    & skf21("2","4","4","6","2","6","4","1") = "5"
    & skf21("2","4","4","6","2","6","5","1") = "5"
    & skf21("2","4","4","6","2","6","6","1") = "5"
    & skf21("2","4","4","6","2","6","7","1") = "6"
    & skf21("2","4","4","6","2","7","1","1") = "6"
    & skf21("2","4","4","6","2","7","2","1") = "6"
    & skf21("2","4","4","6","2","7","3","1") = "6"
    & skf21("2","4","4","6","2","7","4","1") = "6"
    & skf21("2","4","4","6","2","7","5","1") = "6"
    & skf21("2","4","4","6","2","7","6","1") = "6"
    & skf21("2","4","4","6","2","7","7","1") = "6"
    & skf21("2","4","4","6","3","1","1","1") = "5"
    & skf21("2","4","4","6","3","1","2","1") = "5"
    & skf21("2","4","4","6","3","1","3","1") = "5"
    & skf21("2","4","4","6","3","1","4","1") = "5"
    & skf21("2","4","4","6","3","1","5","1") = "5"
    & skf21("2","4","4","6","3","1","6","1") = "5"
    & skf21("2","4","4","6","3","1","7","1") = "6"
    & skf21("2","4","4","6","3","2","1","1") = "5"
    & skf21("2","4","4","6","3","2","2","1") = "5"
    & skf21("2","4","4","6","3","2","3","1") = "5"
    & skf21("2","4","4","6","3","2","4","1") = "5"
    & skf21("2","4","4","6","3","2","5","1") = "5"
    & skf21("2","4","4","6","3","2","6","1") = "5"
    & skf21("2","4","4","6","3","2","7","1") = "6"
    & skf21("2","4","4","6","3","3","1","1") = "5"
    & skf21("2","4","4","6","3","3","2","1") = "5"
    & skf21("2","4","4","6","3","3","3","1") = "5"
    & skf21("2","4","4","6","3","3","4","1") = "5"
    & skf21("2","4","4","6","3","3","5","1") = "5"
    & skf21("2","4","4","6","3","3","6","1") = "5"
    & skf21("2","4","4","6","3","3","7","1") = "6"
    & skf21("2","4","4","6","3","4","1","1") = "5"
    & skf21("2","4","4","6","3","4","2","1") = "5"
    & skf21("2","4","4","6","3","4","3","1") = "5"
    & skf21("2","4","4","6","3","4","4","1") = "5"
    & skf21("2","4","4","6","3","4","5","1") = "5"
    & skf21("2","4","4","6","3","4","6","1") = "5"
    & skf21("2","4","4","6","3","4","7","1") = "6"
    & skf21("2","4","4","6","3","5","1","1") = "5"
    & skf21("2","4","4","6","3","5","2","1") = "5"
    & skf21("2","4","4","6","3","5","3","1") = "5"
    & skf21("2","4","4","6","3","5","4","1") = "5"
    & skf21("2","4","4","6","3","5","5","1") = "5"
    & skf21("2","4","4","6","3","5","6","1") = "5"
    & skf21("2","4","4","6","3","5","7","1") = "6"
    & skf21("2","4","4","6","3","6","1","1") = "5"
    & skf21("2","4","4","6","3","6","2","1") = "5"
    & skf21("2","4","4","6","3","6","3","1") = "5"
    & skf21("2","4","4","6","3","6","4","1") = "5"
    & skf21("2","4","4","6","3","6","5","1") = "5"
    & skf21("2","4","4","6","3","6","6","1") = "5"
    & skf21("2","4","4","6","3","6","7","1") = "6"
    & skf21("2","4","4","6","3","7","1","1") = "6"
    & skf21("2","4","4","6","3","7","2","1") = "6"
    & skf21("2","4","4","6","3","7","3","1") = "6"
    & skf21("2","4","4","6","3","7","4","1") = "6"
    & skf21("2","4","4","6","3","7","5","1") = "6"
    & skf21("2","4","4","6","3","7","6","1") = "6"
    & skf21("2","4","4","6","3","7","7","1") = "6"
    & skf21("2","4","4","6","4","1","1","1") = "5"
    & skf21("2","4","4","6","4","1","2","1") = "5"
    & skf21("2","4","4","6","4","1","3","1") = "5"
    & skf21("2","4","4","6","4","1","4","1") = "5"
    & skf21("2","4","4","6","4","1","5","1") = "5"
    & skf21("2","4","4","6","4","1","6","1") = "5"
    & skf21("2","4","4","6","4","1","7","1") = "6"
    & skf21("2","4","4","6","4","2","1","1") = "5"
    & skf21("2","4","4","6","4","2","2","1") = "5"
    & skf21("2","4","4","6","4","2","3","1") = "5"
    & skf21("2","4","4","6","4","2","4","1") = "5"
    & skf21("2","4","4","6","4","2","5","1") = "5"
    & skf21("2","4","4","6","4","2","6","1") = "5"
    & skf21("2","4","4","6","4","2","7","1") = "6"
    & skf21("2","4","4","6","4","3","1","1") = "5"
    & skf21("2","4","4","6","4","3","2","1") = "5"
    & skf21("2","4","4","6","4","3","3","1") = "5"
    & skf21("2","4","4","6","4","3","4","1") = "5"
    & skf21("2","4","4","6","4","3","5","1") = "5"
    & skf21("2","4","4","6","4","3","6","1") = "5"
    & skf21("2","4","4","6","4","3","7","1") = "6"
    & skf21("2","4","4","6","4","4","1","1") = "5"
    & skf21("2","4","4","6","4","4","2","1") = "5"
    & skf21("2","4","4","6","4","4","3","1") = "5"
    & skf21("2","4","4","6","4","4","4","1") = "5"
    & skf21("2","4","4","6","4","4","5","1") = "5"
    & skf21("2","4","4","6","4","4","6","1") = "5"
    & skf21("2","4","4","6","4","4","7","1") = "6"
    & skf21("2","4","4","6","4","5","1","1") = "5"
    & skf21("2","4","4","6","4","5","2","1") = "5"
    & skf21("2","4","4","6","4","5","3","1") = "5"
    & skf21("2","4","4","6","4","5","4","1") = "5"
    & skf21("2","4","4","6","4","5","5","1") = "5"
    & skf21("2","4","4","6","4","5","6","1") = "5"
    & skf21("2","4","4","6","4","5","7","1") = "6"
    & skf21("2","4","4","6","4","6","1","1") = "5"
    & skf21("2","4","4","6","4","6","2","1") = "5"
    & skf21("2","4","4","6","4","6","3","1") = "5"
    & skf21("2","4","4","6","4","6","4","1") = "5"
    & skf21("2","4","4","6","4","6","5","1") = "5"
    & skf21("2","4","4","6","4","6","6","1") = "5"
    & skf21("2","4","4","6","4","6","7","1") = "6"
    & skf21("2","4","4","6","4","7","1","1") = "6"
    & skf21("2","4","4","6","4","7","2","1") = "6"
    & skf21("2","4","4","6","4","7","3","1") = "6"
    & skf21("2","4","4","6","4","7","4","1") = "6"
    & skf21("2","4","4","6","4","7","5","1") = "6"
    & skf21("2","4","4","6","4","7","6","1") = "6"
    & skf21("2","4","4","6","4","7","7","1") = "6"
    & skf21("2","4","4","6","5","1","1","1") = "5"
    & skf21("2","4","4","6","5","1","2","1") = "5"
    & skf21("2","4","4","6","5","1","3","1") = "5"
    & skf21("2","4","4","6","5","1","4","1") = "5"
    & skf21("2","4","4","6","5","1","5","1") = "5"
    & skf21("2","4","4","6","5","1","6","1") = "5"
    & skf21("2","4","4","6","5","1","7","1") = "6"
    & skf21("2","4","4","6","5","2","1","1") = "5"
    & skf21("2","4","4","6","5","2","2","1") = "5"
    & skf21("2","4","4","6","5","2","3","1") = "5"
    & skf21("2","4","4","6","5","2","4","1") = "5"
    & skf21("2","4","4","6","5","2","5","1") = "5"
    & skf21("2","4","4","6","5","2","6","1") = "5"
    & skf21("2","4","4","6","5","2","7","1") = "6"
    & skf21("2","4","4","6","5","3","1","1") = "5"
    & skf21("2","4","4","6","5","3","2","1") = "5"
    & skf21("2","4","4","6","5","3","3","1") = "5"
    & skf21("2","4","4","6","5","3","4","1") = "5"
    & skf21("2","4","4","6","5","3","5","1") = "5"
    & skf21("2","4","4","6","5","3","6","1") = "5"
    & skf21("2","4","4","6","5","3","7","1") = "6"
    & skf21("2","4","4","6","5","4","1","1") = "5"
    & skf21("2","4","4","6","5","4","2","1") = "5"
    & skf21("2","4","4","6","5","4","3","1") = "5"
    & skf21("2","4","4","6","5","4","4","1") = "5"
    & skf21("2","4","4","6","5","4","5","1") = "5"
    & skf21("2","4","4","6","5","4","6","1") = "5"
    & skf21("2","4","4","6","5","4","7","1") = "6"
    & skf21("2","4","4","6","5","5","1","1") = "5"
    & skf21("2","4","4","6","5","5","2","1") = "5"
    & skf21("2","4","4","6","5","5","3","1") = "5"
    & skf21("2","4","4","6","5","5","4","1") = "5"
    & skf21("2","4","4","6","5","5","5","1") = "5"
    & skf21("2","4","4","6","5","5","6","1") = "5"
    & skf21("2","4","4","6","5","5","7","1") = "6"
    & skf21("2","4","4","6","5","6","1","1") = "5"
    & skf21("2","4","4","6","5","6","2","1") = "5"
    & skf21("2","4","4","6","5","6","3","1") = "5"
    & skf21("2","4","4","6","5","6","4","1") = "5"
    & skf21("2","4","4","6","5","6","5","1") = "5"
    & skf21("2","4","4","6","5","6","6","1") = "5"
    & skf21("2","4","4","6","5","6","7","1") = "6"
    & skf21("2","4","4","6","5","7","1","1") = "6"
    & skf21("2","4","4","6","5","7","2","1") = "6"
    & skf21("2","4","4","6","5","7","3","1") = "6"
    & skf21("2","4","4","6","5","7","4","1") = "6"
    & skf21("2","4","4","6","5","7","5","1") = "6"
    & skf21("2","4","4","6","5","7","6","1") = "6"
    & skf21("2","4","4","6","5","7","7","1") = "6"
    & skf21("2","4","4","6","6","1","1","1") = "5"
    & skf21("2","4","4","6","6","1","2","1") = "5"
    & skf21("2","4","4","6","6","1","3","1") = "5"
    & skf21("2","4","4","6","6","1","4","1") = "5"
    & skf21("2","4","4","6","6","1","5","1") = "5"
    & skf21("2","4","4","6","6","1","6","1") = "5"
    & skf21("2","4","4","6","6","1","7","1") = "6"
    & skf21("2","4","4","6","6","2","1","1") = "5"
    & skf21("2","4","4","6","6","2","2","1") = "5"
    & skf21("2","4","4","6","6","2","3","1") = "5"
    & skf21("2","4","4","6","6","2","4","1") = "5"
    & skf21("2","4","4","6","6","2","5","1") = "5"
    & skf21("2","4","4","6","6","2","6","1") = "5"
    & skf21("2","4","4","6","6","2","7","1") = "6"
    & skf21("2","4","4","6","6","3","1","1") = "5"
    & skf21("2","4","4","6","6","3","2","1") = "5"
    & skf21("2","4","4","6","6","3","3","1") = "5"
    & skf21("2","4","4","6","6","3","4","1") = "5"
    & skf21("2","4","4","6","6","3","5","1") = "5"
    & skf21("2","4","4","6","6","3","6","1") = "5"
    & skf21("2","4","4","6","6","3","7","1") = "6"
    & skf21("2","4","4","6","6","4","1","1") = "5"
    & skf21("2","4","4","6","6","4","2","1") = "5"
    & skf21("2","4","4","6","6","4","3","1") = "5"
    & skf21("2","4","4","6","6","4","4","1") = "5"
    & skf21("2","4","4","6","6","4","5","1") = "5"
    & skf21("2","4","4","6","6","4","6","1") = "5"
    & skf21("2","4","4","6","6","4","7","1") = "6"
    & skf21("2","4","4","6","6","5","1","1") = "5"
    & skf21("2","4","4","6","6","5","2","1") = "5"
    & skf21("2","4","4","6","6","5","3","1") = "5"
    & skf21("2","4","4","6","6","5","4","1") = "5"
    & skf21("2","4","4","6","6","5","5","1") = "5"
    & skf21("2","4","4","6","6","5","6","1") = "5"
    & skf21("2","4","4","6","6","5","7","1") = "6"
    & skf21("2","4","4","6","6","6","1","1") = "5"
    & skf21("2","4","4","6","6","6","2","1") = "5"
    & skf21("2","4","4","6","6","6","3","1") = "5"
    & skf21("2","4","4","6","6","6","4","1") = "5"
    & skf21("2","4","4","6","6","6","5","1") = "5"
    & skf21("2","4","4","6","6","6","6","1") = "5"
    & skf21("2","4","4","6","6","6","7","1") = "6"
    & skf21("2","4","4","6","6","7","1","1") = "6"
    & skf21("2","4","4","6","6","7","2","1") = "6"
    & skf21("2","4","4","6","6","7","3","1") = "6"
    & skf21("2","4","4","6","6","7","4","1") = "6"
    & skf21("2","4","4","6","6","7","5","1") = "6"
    & skf21("2","4","4","6","6","7","6","1") = "6"
    & skf21("2","4","4","6","6","7","7","1") = "6"
    & skf21("2","4","4","6","7","1","1","1") = "6"
    & skf21("2","4","4","6","7","1","2","1") = "6"
    & skf21("2","4","4","6","7","1","3","1") = "6"
    & skf21("2","4","4","6","7","1","4","1") = "6"
    & skf21("2","4","4","6","7","1","5","1") = "6"
    & skf21("2","4","4","6","7","1","6","1") = "6"
    & skf21("2","4","4","6","7","1","7","1") = "6"
    & skf21("2","4","4","6","7","2","1","1") = "6"
    & skf21("2","4","4","6","7","2","2","1") = "6"
    & skf21("2","4","4","6","7","2","3","1") = "6"
    & skf21("2","4","4","6","7","2","4","1") = "6"
    & skf21("2","4","4","6","7","2","5","1") = "6"
    & skf21("2","4","4","6","7","2","6","1") = "6"
    & skf21("2","4","4","6","7","2","7","1") = "6"
    & skf21("2","4","4","6","7","3","1","1") = "6"
    & skf21("2","4","4","6","7","3","2","1") = "6"
    & skf21("2","4","4","6","7","3","3","1") = "6"
    & skf21("2","4","4","6","7","3","4","1") = "6"
    & skf21("2","4","4","6","7","3","5","1") = "6"
    & skf21("2","4","4","6","7","3","6","1") = "6"
    & skf21("2","4","4","6","7","3","7","1") = "6"
    & skf21("2","4","4","6","7","4","1","1") = "6"
    & skf21("2","4","4","6","7","4","2","1") = "6"
    & skf21("2","4","4","6","7","4","3","1") = "6"
    & skf21("2","4","4","6","7","4","4","1") = "6"
    & skf21("2","4","4","6","7","4","5","1") = "6"
    & skf21("2","4","4","6","7","4","6","1") = "6"
    & skf21("2","4","4","6","7","4","7","1") = "6"
    & skf21("2","4","4","6","7","5","1","1") = "6"
    & skf21("2","4","4","6","7","5","2","1") = "6"
    & skf21("2","4","4","6","7","5","3","1") = "6"
    & skf21("2","4","4","6","7","5","4","1") = "6"
    & skf21("2","4","4","6","7","5","5","1") = "6"
    & skf21("2","4","4","6","7","5","6","1") = "6"
    & skf21("2","4","4","6","7","5","7","1") = "6"
    & skf21("2","4","4","6","7","6","1","1") = "6"
    & skf21("2","4","4","6","7","6","2","1") = "6"
    & skf21("2","4","4","6","7","6","3","1") = "6"
    & skf21("2","4","4","6","7","6","4","1") = "6"
    & skf21("2","4","4","6","7","6","5","1") = "6"
    & skf21("2","4","4","6","7","6","6","1") = "6"
    & skf21("2","4","4","6","7","6","7","1") = "6"
    & skf21("2","4","4","6","7","7","1","1") = "6"
    & skf21("2","4","4","6","7","7","2","1") = "6"
    & skf21("2","4","4","6","7","7","3","1") = "6"
    & skf21("2","4","4","6","7","7","4","1") = "6"
    & skf21("2","4","4","6","7","7","5","1") = "6"
    & skf21("2","4","4","6","7","7","6","1") = "6"
    & skf21("2","4","4","6","7","7","7","1") = "6"
    & skf21("2","4","4","7","1","1","1","1") = "6"
    & skf21("2","4","4","7","1","1","2","1") = "6"
    & skf21("2","4","4","7","1","1","3","1") = "6"
    & skf21("2","4","4","7","1","1","4","1") = "6"
    & skf21("2","4","4","7","1","1","5","1") = "6"
    & skf21("2","4","4","7","1","1","6","1") = "6"
    & skf21("2","4","4","7","1","1","7","1") = "6"
    & skf21("2","4","4","7","1","2","1","1") = "6"
    & skf21("2","4","4","7","1","2","2","1") = "6"
    & skf21("2","4","4","7","1","2","3","1") = "6"
    & skf21("2","4","4","7","1","2","4","1") = "6"
    & skf21("2","4","4","7","1","2","5","1") = "6"
    & skf21("2","4","4","7","1","2","6","1") = "6"
    & skf21("2","4","4","7","1","2","7","1") = "6"
    & skf21("2","4","4","7","1","3","1","1") = "6"
    & skf21("2","4","4","7","1","3","2","1") = "6"
    & skf21("2","4","4","7","1","3","3","1") = "6"
    & skf21("2","4","4","7","1","3","4","1") = "6"
    & skf21("2","4","4","7","1","3","5","1") = "6"
    & skf21("2","4","4","7","1","3","6","1") = "6"
    & skf21("2","4","4","7","1","3","7","1") = "6"
    & skf21("2","4","4","7","1","4","1","1") = "6"
    & skf21("2","4","4","7","1","4","2","1") = "6"
    & skf21("2","4","4","7","1","4","3","1") = "6"
    & skf21("2","4","4","7","1","4","4","1") = "6"
    & skf21("2","4","4","7","1","4","5","1") = "6"
    & skf21("2","4","4","7","1","4","6","1") = "6"
    & skf21("2","4","4","7","1","4","7","1") = "6"
    & skf21("2","4","4","7","1","5","1","1") = "6"
    & skf21("2","4","4","7","1","5","2","1") = "6"
    & skf21("2","4","4","7","1","5","3","1") = "6"
    & skf21("2","4","4","7","1","5","4","1") = "6"
    & skf21("2","4","4","7","1","5","5","1") = "6"
    & skf21("2","4","4","7","1","5","6","1") = "6"
    & skf21("2","4","4","7","1","5","7","1") = "6"
    & skf21("2","4","4","7","1","6","1","1") = "6"
    & skf21("2","4","4","7","1","6","2","1") = "6"
    & skf21("2","4","4","7","1","6","3","1") = "6"
    & skf21("2","4","4","7","1","6","4","1") = "6"
    & skf21("2","4","4","7","1","6","5","1") = "6"
    & skf21("2","4","4","7","1","6","6","1") = "6"
    & skf21("2","4","4","7","1","6","7","1") = "6"
    & skf21("2","4","4","7","1","7","1","1") = "6"
    & skf21("2","4","4","7","1","7","2","1") = "6"
    & skf21("2","4","4","7","1","7","3","1") = "6"
    & skf21("2","4","4","7","1","7","4","1") = "6"
    & skf21("2","4","4","7","1","7","5","1") = "6"
    & skf21("2","4","4","7","1","7","6","1") = "6"
    & skf21("2","4","4","7","1","7","7","1") = "6"
    & skf21("2","4","4","7","2","1","1","1") = "6"
    & skf21("2","4","4","7","2","1","2","1") = "6"
    & skf21("2","4","4","7","2","1","3","1") = "6"
    & skf21("2","4","4","7","2","1","4","1") = "6"
    & skf21("2","4","4","7","2","1","5","1") = "6"
    & skf21("2","4","4","7","2","1","6","1") = "6"
    & skf21("2","4","4","7","2","1","7","1") = "6"
    & skf21("2","4","4","7","2","2","1","1") = "6"
    & skf21("2","4","4","7","2","2","2","1") = "6"
    & skf21("2","4","4","7","2","2","3","1") = "6"
    & skf21("2","4","4","7","2","2","4","1") = "6"
    & skf21("2","4","4","7","2","2","5","1") = "6"
    & skf21("2","4","4","7","2","2","6","1") = "6"
    & skf21("2","4","4","7","2","2","7","1") = "6"
    & skf21("2","4","4","7","2","3","1","1") = "6"
    & skf21("2","4","4","7","2","3","2","1") = "6"
    & skf21("2","4","4","7","2","3","3","1") = "6"
    & skf21("2","4","4","7","2","3","4","1") = "6"
    & skf21("2","4","4","7","2","3","5","1") = "6"
    & skf21("2","4","4","7","2","3","6","1") = "6"
    & skf21("2","4","4","7","2","3","7","1") = "6"
    & skf21("2","4","4","7","2","4","1","1") = "6"
    & skf21("2","4","4","7","2","4","2","1") = "6"
    & skf21("2","4","4","7","2","4","3","1") = "6"
    & skf21("2","4","4","7","2","4","4","1") = "6"
    & skf21("2","4","4","7","2","4","5","1") = "6"
    & skf21("2","4","4","7","2","4","6","1") = "6"
    & skf21("2","4","4","7","2","4","7","1") = "6"
    & skf21("2","4","4","7","2","5","1","1") = "6"
    & skf21("2","4","4","7","2","5","2","1") = "6"
    & skf21("2","4","4","7","2","5","3","1") = "6"
    & skf21("2","4","4","7","2","5","4","1") = "6"
    & skf21("2","4","4","7","2","5","5","1") = "6"
    & skf21("2","4","4","7","2","5","6","1") = "6"
    & skf21("2","4","4","7","2","5","7","1") = "6"
    & skf21("2","4","4","7","2","6","1","1") = "6"
    & skf21("2","4","4","7","2","6","2","1") = "6"
    & skf21("2","4","4","7","2","6","3","1") = "6"
    & skf21("2","4","4","7","2","6","4","1") = "6"
    & skf21("2","4","4","7","2","6","5","1") = "6"
    & skf21("2","4","4","7","2","6","6","1") = "6"
    & skf21("2","4","4","7","2","6","7","1") = "6"
    & skf21("2","4","4","7","2","7","1","1") = "6"
    & skf21("2","4","4","7","2","7","2","1") = "6"
    & skf21("2","4","4","7","2","7","3","1") = "6"
    & skf21("2","4","4","7","2","7","4","1") = "6"
    & skf21("2","4","4","7","2","7","5","1") = "6"
    & skf21("2","4","4","7","2","7","6","1") = "6"
    & skf21("2","4","4","7","2","7","7","1") = "6"
    & skf21("2","4","4","7","3","1","1","1") = "6"
    & skf21("2","4","4","7","3","1","2","1") = "6"
    & skf21("2","4","4","7","3","1","3","1") = "6"
    & skf21("2","4","4","7","3","1","4","1") = "6"
    & skf21("2","4","4","7","3","1","5","1") = "6"
    & skf21("2","4","4","7","3","1","6","1") = "6"
    & skf21("2","4","4","7","3","1","7","1") = "6"
    & skf21("2","4","4","7","3","2","1","1") = "6"
    & skf21("2","4","4","7","3","2","2","1") = "6"
    & skf21("2","4","4","7","3","2","3","1") = "6"
    & skf21("2","4","4","7","3","2","4","1") = "6"
    & skf21("2","4","4","7","3","2","5","1") = "6"
    & skf21("2","4","4","7","3","2","6","1") = "6"
    & skf21("2","4","4","7","3","2","7","1") = "6"
    & skf21("2","4","4","7","3","3","1","1") = "6"
    & skf21("2","4","4","7","3","3","2","1") = "6"
    & skf21("2","4","4","7","3","3","3","1") = "6"
    & skf21("2","4","4","7","3","3","4","1") = "6"
    & skf21("2","4","4","7","3","3","5","1") = "6"
    & skf21("2","4","4","7","3","3","6","1") = "6"
    & skf21("2","4","4","7","3","3","7","1") = "6"
    & skf21("2","4","4","7","3","4","1","1") = "6"
    & skf21("2","4","4","7","3","4","2","1") = "6"
    & skf21("2","4","4","7","3","4","3","1") = "6"
    & skf21("2","4","4","7","3","4","4","1") = "6"
    & skf21("2","4","4","7","3","4","5","1") = "6"
    & skf21("2","4","4","7","3","4","6","1") = "6"
    & skf21("2","4","4","7","3","4","7","1") = "6"
    & skf21("2","4","4","7","3","5","1","1") = "6"
    & skf21("2","4","4","7","3","5","2","1") = "6"
    & skf21("2","4","4","7","3","5","3","1") = "6"
    & skf21("2","4","4","7","3","5","4","1") = "6"
    & skf21("2","4","4","7","3","5","5","1") = "6"
    & skf21("2","4","4","7","3","5","6","1") = "6"
    & skf21("2","4","4","7","3","5","7","1") = "6"
    & skf21("2","4","4","7","3","6","1","1") = "6"
    & skf21("2","4","4","7","3","6","2","1") = "6"
    & skf21("2","4","4","7","3","6","3","1") = "6"
    & skf21("2","4","4","7","3","6","4","1") = "6"
    & skf21("2","4","4","7","3","6","5","1") = "6"
    & skf21("2","4","4","7","3","6","6","1") = "6"
    & skf21("2","4","4","7","3","6","7","1") = "6"
    & skf21("2","4","4","7","3","7","1","1") = "6"
    & skf21("2","4","4","7","3","7","2","1") = "6"
    & skf21("2","4","4","7","3","7","3","1") = "6"
    & skf21("2","4","4","7","3","7","4","1") = "6"
    & skf21("2","4","4","7","3","7","5","1") = "6"
    & skf21("2","4","4","7","3","7","6","1") = "6"
    & skf21("2","4","4","7","3","7","7","1") = "6"
    & skf21("2","4","4","7","4","1","1","1") = "6"
    & skf21("2","4","4","7","4","1","2","1") = "6"
    & skf21("2","4","4","7","4","1","3","1") = "6"
    & skf21("2","4","4","7","4","1","4","1") = "6"
    & skf21("2","4","4","7","4","1","5","1") = "6"
    & skf21("2","4","4","7","4","1","6","1") = "6"
    & skf21("2","4","4","7","4","1","7","1") = "6"
    & skf21("2","4","4","7","4","2","1","1") = "6"
    & skf21("2","4","4","7","4","2","2","1") = "6"
    & skf21("2","4","4","7","4","2","3","1") = "6"
    & skf21("2","4","4","7","4","2","4","1") = "6"
    & skf21("2","4","4","7","4","2","5","1") = "6"
    & skf21("2","4","4","7","4","2","6","1") = "6"
    & skf21("2","4","4","7","4","2","7","1") = "6"
    & skf21("2","4","4","7","4","3","1","1") = "6"
    & skf21("2","4","4","7","4","3","2","1") = "6"
    & skf21("2","4","4","7","4","3","3","1") = "6"
    & skf21("2","4","4","7","4","3","4","1") = "6"
    & skf21("2","4","4","7","4","3","5","1") = "6"
    & skf21("2","4","4","7","4","3","6","1") = "6"
    & skf21("2","4","4","7","4","3","7","1") = "6"
    & skf21("2","4","4","7","4","4","1","1") = "6"
    & skf21("2","4","4","7","4","4","2","1") = "6"
    & skf21("2","4","4","7","4","4","3","1") = "6"
    & skf21("2","4","4","7","4","4","4","1") = "6"
    & skf21("2","4","4","7","4","4","5","1") = "6"
    & skf21("2","4","4","7","4","4","6","1") = "6"
    & skf21("2","4","4","7","4","4","7","1") = "6"
    & skf21("2","4","4","7","4","5","1","1") = "6"
    & skf21("2","4","4","7","4","5","2","1") = "6"
    & skf21("2","4","4","7","4","5","3","1") = "6"
    & skf21("2","4","4","7","4","5","4","1") = "6"
    & skf21("2","4","4","7","4","5","5","1") = "6"
    & skf21("2","4","4","7","4","5","6","1") = "6"
    & skf21("2","4","4","7","4","5","7","1") = "6"
    & skf21("2","4","4","7","4","6","1","1") = "6"
    & skf21("2","4","4","7","4","6","2","1") = "6"
    & skf21("2","4","4","7","4","6","3","1") = "6"
    & skf21("2","4","4","7","4","6","4","1") = "6"
    & skf21("2","4","4","7","4","6","5","1") = "6"
    & skf21("2","4","4","7","4","6","6","1") = "6"
    & skf21("2","4","4","7","4","6","7","1") = "6"
    & skf21("2","4","4","7","4","7","1","1") = "6"
    & skf21("2","4","4","7","4","7","2","1") = "6"
    & skf21("2","4","4","7","4","7","3","1") = "6"
    & skf21("2","4","4","7","4","7","4","1") = "6"
    & skf21("2","4","4","7","4","7","5","1") = "6"
    & skf21("2","4","4","7","4","7","6","1") = "6"
    & skf21("2","4","4","7","4","7","7","1") = "6"
    & skf21("2","4","4","7","5","1","1","1") = "6"
    & skf21("2","4","4","7","5","1","2","1") = "6"
    & skf21("2","4","4","7","5","1","3","1") = "6"
    & skf21("2","4","4","7","5","1","4","1") = "6"
    & skf21("2","4","4","7","5","1","5","1") = "6"
    & skf21("2","4","4","7","5","1","6","1") = "6"
    & skf21("2","4","4","7","5","1","7","1") = "6"
    & skf21("2","4","4","7","5","2","1","1") = "6"
    & skf21("2","4","4","7","5","2","2","1") = "6"
    & skf21("2","4","4","7","5","2","3","1") = "6"
    & skf21("2","4","4","7","5","2","4","1") = "6"
    & skf21("2","4","4","7","5","2","5","1") = "6"
    & skf21("2","4","4","7","5","2","6","1") = "6"
    & skf21("2","4","4","7","5","2","7","1") = "6"
    & skf21("2","4","4","7","5","3","1","1") = "6"
    & skf21("2","4","4","7","5","3","2","1") = "6"
    & skf21("2","4","4","7","5","3","3","1") = "6"
    & skf21("2","4","4","7","5","3","4","1") = "6"
    & skf21("2","4","4","7","5","3","5","1") = "6"
    & skf21("2","4","4","7","5","3","6","1") = "6"
    & skf21("2","4","4","7","5","3","7","1") = "6"
    & skf21("2","4","4","7","5","4","1","1") = "6"
    & skf21("2","4","4","7","5","4","2","1") = "6"
    & skf21("2","4","4","7","5","4","3","1") = "6"
    & skf21("2","4","4","7","5","4","4","1") = "6"
    & skf21("2","4","4","7","5","4","5","1") = "6"
    & skf21("2","4","4","7","5","4","6","1") = "6"
    & skf21("2","4","4","7","5","4","7","1") = "6"
    & skf21("2","4","4","7","5","5","1","1") = "6"
    & skf21("2","4","4","7","5","5","2","1") = "6"
    & skf21("2","4","4","7","5","5","3","1") = "6"
    & skf21("2","4","4","7","5","5","4","1") = "6"
    & skf21("2","4","4","7","5","5","5","1") = "6"
    & skf21("2","4","4","7","5","5","6","1") = "6"
    & skf21("2","4","4","7","5","5","7","1") = "6"
    & skf21("2","4","4","7","5","6","1","1") = "6"
    & skf21("2","4","4","7","5","6","2","1") = "6"
    & skf21("2","4","4","7","5","6","3","1") = "6"
    & skf21("2","4","4","7","5","6","4","1") = "6"
    & skf21("2","4","4","7","5","6","5","1") = "6"
    & skf21("2","4","4","7","5","6","6","1") = "6"
    & skf21("2","4","4","7","5","6","7","1") = "6"
    & skf21("2","4","4","7","5","7","1","1") = "6"
    & skf21("2","4","4","7","5","7","2","1") = "6"
    & skf21("2","4","4","7","5","7","3","1") = "6"
    & skf21("2","4","4","7","5","7","4","1") = "6"
    & skf21("2","4","4","7","5","7","5","1") = "6"
    & skf21("2","4","4","7","5","7","6","1") = "6"
    & skf21("2","4","4","7","5","7","7","1") = "6"
    & skf21("2","4","4","7","6","1","1","1") = "6"
    & skf21("2","4","4","7","6","1","2","1") = "6"
    & skf21("2","4","4","7","6","1","3","1") = "6"
    & skf21("2","4","4","7","6","1","4","1") = "6"
    & skf21("2","4","4","7","6","1","5","1") = "6"
    & skf21("2","4","4","7","6","1","6","1") = "6"
    & skf21("2","4","4","7","6","1","7","1") = "6"
    & skf21("2","4","4","7","6","2","1","1") = "6"
    & skf21("2","4","4","7","6","2","2","1") = "6"
    & skf21("2","4","4","7","6","2","3","1") = "6"
    & skf21("2","4","4","7","6","2","4","1") = "6"
    & skf21("2","4","4","7","6","2","5","1") = "6"
    & skf21("2","4","4","7","6","2","6","1") = "6"
    & skf21("2","4","4","7","6","2","7","1") = "6"
    & skf21("2","4","4","7","6","3","1","1") = "6"
    & skf21("2","4","4","7","6","3","2","1") = "6"
    & skf21("2","4","4","7","6","3","3","1") = "6"
    & skf21("2","4","4","7","6","3","4","1") = "6"
    & skf21("2","4","4","7","6","3","5","1") = "6"
    & skf21("2","4","4","7","6","3","6","1") = "6"
    & skf21("2","4","4","7","6","3","7","1") = "6"
    & skf21("2","4","4","7","6","4","1","1") = "6"
    & skf21("2","4","4","7","6","4","2","1") = "6"
    & skf21("2","4","4","7","6","4","3","1") = "6"
    & skf21("2","4","4","7","6","4","4","1") = "6"
    & skf21("2","4","4","7","6","4","5","1") = "6"
    & skf21("2","4","4","7","6","4","6","1") = "6"
    & skf21("2","4","4","7","6","4","7","1") = "6"
    & skf21("2","4","4","7","6","5","1","1") = "6"
    & skf21("2","4","4","7","6","5","2","1") = "6"
    & skf21("2","4","4","7","6","5","3","1") = "6"
    & skf21("2","4","4","7","6","5","4","1") = "6"
    & skf21("2","4","4","7","6","5","5","1") = "6"
    & skf21("2","4","4","7","6","5","6","1") = "6"
    & skf21("2","4","4","7","6","5","7","1") = "6"
    & skf21("2","4","4","7","6","6","1","1") = "6"
    & skf21("2","4","4","7","6","6","2","1") = "6"
    & skf21("2","4","4","7","6","6","3","1") = "6"
    & skf21("2","4","4","7","6","6","4","1") = "6"
    & skf21("2","4","4","7","6","6","5","1") = "6"
    & skf21("2","4","4","7","6","6","6","1") = "6"
    & skf21("2","4","4","7","6","6","7","1") = "6"
    & skf21("2","4","4","7","6","7","1","1") = "6"
    & skf21("2","4","4","7","6","7","2","1") = "6"
    & skf21("2","4","4","7","6","7","3","1") = "6"
    & skf21("2","4","4","7","6","7","4","1") = "6"
    & skf21("2","4","4","7","6","7","5","1") = "6"
    & skf21("2","4","4","7","6","7","6","1") = "6"
    & skf21("2","4","4","7","6","7","7","1") = "6"
    & skf21("2","4","4","7","7","1","1","1") = "6"
    & skf21("2","4","4","7","7","1","2","1") = "6"
    & skf21("2","4","4","7","7","1","3","1") = "6"
    & skf21("2","4","4","7","7","1","4","1") = "6"
    & skf21("2","4","4","7","7","1","5","1") = "6"
    & skf21("2","4","4","7","7","1","6","1") = "6"
    & skf21("2","4","4","7","7","1","7","1") = "6"
    & skf21("2","4","4","7","7","2","1","1") = "6"
    & skf21("2","4","4","7","7","2","2","1") = "6"
    & skf21("2","4","4","7","7","2","3","1") = "6"
    & skf21("2","4","4","7","7","2","4","1") = "6"
    & skf21("2","4","4","7","7","2","5","1") = "6"
    & skf21("2","4","4","7","7","2","6","1") = "6"
    & skf21("2","4","4","7","7","2","7","1") = "6"
    & skf21("2","4","4","7","7","3","1","1") = "6"
    & skf21("2","4","4","7","7","3","2","1") = "6"
    & skf21("2","4","4","7","7","3","3","1") = "6"
    & skf21("2","4","4","7","7","3","4","1") = "6"
    & skf21("2","4","4","7","7","3","5","1") = "6"
    & skf21("2","4","4","7","7","3","6","1") = "6"
    & skf21("2","4","4","7","7","3","7","1") = "6"
    & skf21("2","4","4","7","7","4","1","1") = "6"
    & skf21("2","4","4","7","7","4","2","1") = "6"
    & skf21("2","4","4","7","7","4","3","1") = "6"
    & skf21("2","4","4","7","7","4","4","1") = "6"
    & skf21("2","4","4","7","7","4","5","1") = "6"
    & skf21("2","4","4","7","7","4","6","1") = "6"
    & skf21("2","4","4","7","7","4","7","1") = "6"
    & skf21("2","4","4","7","7","5","1","1") = "6"
    & skf21("2","4","4","7","7","5","2","1") = "6"
    & skf21("2","4","4","7","7","5","3","1") = "6"
    & skf21("2","4","4","7","7","5","4","1") = "6"
    & skf21("2","4","4","7","7","5","5","1") = "6"
    & skf21("2","4","4","7","7","5","6","1") = "6"
    & skf21("2","4","4","7","7","5","7","1") = "6"
    & skf21("2","4","4","7","7","6","1","1") = "6"
    & skf21("2","4","4","7","7","6","2","1") = "6"
    & skf21("2","4","4","7","7","6","3","1") = "6"
    & skf21("2","4","4","7","7","6","4","1") = "6"
    & skf21("2","4","4","7","7","6","5","1") = "6"
    & skf21("2","4","4","7","7","6","6","1") = "6"
    & skf21("2","4","4","7","7","6","7","1") = "6"
    & skf21("2","4","4","7","7","7","1","1") = "6"
    & skf21("2","4","4","7","7","7","2","1") = "6"
    & skf21("2","4","4","7","7","7","3","1") = "6"
    & skf21("2","4","4","7","7","7","4","1") = "6"
    & skf21("2","4","4","7","7","7","5","1") = "6"
    & skf21("2","4","4","7","7","7","6","1") = "6"
    & skf21("2","4","4","7","7","7","7","1") = "6"
    & skf21("2","4","5","1","1","1","1","1") = "4"
    & skf21("2","4","5","1","1","1","2","1") = "4"
    & skf21("2","4","5","1","1","1","3","1") = "4"
    & skf21("2","4","5","1","1","1","4","1") = "4"
    & skf21("2","4","5","1","1","1","5","1") = "4"
    & skf21("2","4","5","1","1","1","6","1") = "5"
    & skf21("2","4","5","1","1","1","7","1") = "6"
    & skf21("2","4","5","1","1","2","1","1") = "4"
    & skf21("2","4","5","1","1","2","2","1") = "4"
    & skf21("2","4","5","1","1","2","3","1") = "4"
    & skf21("2","4","5","1","1","2","4","1") = "4"
    & skf21("2","4","5","1","1","2","5","1") = "4"
    & skf21("2","4","5","1","1","2","6","1") = "5"
    & skf21("2","4","5","1","1","2","7","1") = "6"
    & skf21("2","4","5","1","1","3","1","1") = "4"
    & skf21("2","4","5","1","1","3","2","1") = "4"
    & skf21("2","4","5","1","1","3","3","1") = "4"
    & skf21("2","4","5","1","1","3","4","1") = "4"
    & skf21("2","4","5","1","1","3","5","1") = "4"
    & skf21("2","4","5","1","1","3","6","1") = "5"
    & skf21("2","4","5","1","1","3","7","1") = "6"
    & skf21("2","4","5","1","1","4","1","1") = "4"
    & skf21("2","4","5","1","1","4","2","1") = "4"
    & skf21("2","4","5","1","1","4","3","1") = "4"
    & skf21("2","4","5","1","1","4","4","1") = "4"
    & skf21("2","4","5","1","1","4","5","1") = "4"
    & skf21("2","4","5","1","1","4","6","1") = "5"
    & skf21("2","4","5","1","1","4","7","1") = "6"
    & skf21("2","4","5","1","1","5","1","1") = "4"
    & skf21("2","4","5","1","1","5","2","1") = "4"
    & skf21("2","4","5","1","1","5","3","1") = "4"
    & skf21("2","4","5","1","1","5","4","1") = "4"
    & skf21("2","4","5","1","1","5","5","1") = "4"
    & skf21("2","4","5","1","1","5","6","1") = "5"
    & skf21("2","4","5","1","1","5","7","1") = "6"
    & skf21("2","4","5","1","1","6","1","1") = "5"
    & skf21("2","4","5","1","1","6","2","1") = "5"
    & skf21("2","4","5","1","1","6","3","1") = "5"
    & skf21("2","4","5","1","1","6","4","1") = "5"
    & skf21("2","4","5","1","1","6","5","1") = "5"
    & skf21("2","4","5","1","1","6","6","1") = "5"
    & skf21("2","4","5","1","1","6","7","1") = "6"
    & skf21("2","4","5","1","1","7","1","1") = "6"
    & skf21("2","4","5","1","1","7","2","1") = "6"
    & skf21("2","4","5","1","1","7","3","1") = "6"
    & skf21("2","4","5","1","1","7","4","1") = "6"
    & skf21("2","4","5","1","1","7","5","1") = "6"
    & skf21("2","4","5","1","1","7","6","1") = "6"
    & skf21("2","4","5","1","1","7","7","1") = "6"
    & skf21("2","4","5","1","2","1","1","1") = "4"
    & skf21("2","4","5","1","2","1","2","1") = "4"
    & skf21("2","4","5","1","2","1","3","1") = "4"
    & skf21("2","4","5","1","2","1","4","1") = "4"
    & skf21("2","4","5","1","2","1","5","1") = "4"
    & skf21("2","4","5","1","2","1","6","1") = "5"
    & skf21("2","4","5","1","2","1","7","1") = "6"
    & skf21("2","4","5","1","2","2","1","1") = "4"
    & skf21("2","4","5","1","2","2","2","1") = "4"
    & skf21("2","4","5","1","2","2","3","1") = "4"
    & skf21("2","4","5","1","2","2","4","1") = "4"
    & skf21("2","4","5","1","2","2","5","1") = "4"
    & skf21("2","4","5","1","2","2","6","1") = "5"
    & skf21("2","4","5","1","2","2","7","1") = "6"
    & skf21("2","4","5","1","2","3","1","1") = "4"
    & skf21("2","4","5","1","2","3","2","1") = "4"
    & skf21("2","4","5","1","2","3","3","1") = "4"
    & skf21("2","4","5","1","2","3","4","1") = "4"
    & skf21("2","4","5","1","2","3","5","1") = "4"
    & skf21("2","4","5","1","2","3","6","1") = "5"
    & skf21("2","4","5","1","2","3","7","1") = "6"
    & skf21("2","4","5","1","2","4","1","1") = "4"
    & skf21("2","4","5","1","2","4","2","1") = "4"
    & skf21("2","4","5","1","2","4","3","1") = "4"
    & skf21("2","4","5","1","2","4","4","1") = "4"
    & skf21("2","4","5","1","2","4","5","1") = "4"
    & skf21("2","4","5","1","2","4","6","1") = "5"
    & skf21("2","4","5","1","2","4","7","1") = "6"
    & skf21("2","4","5","1","2","5","1","1") = "4"
    & skf21("2","4","5","1","2","5","2","1") = "4"
    & skf21("2","4","5","1","2","5","3","1") = "4"
    & skf21("2","4","5","1","2","5","4","1") = "4"
    & skf21("2","4","5","1","2","5","5","1") = "4"
    & skf21("2","4","5","1","2","5","6","1") = "5"
    & skf21("2","4","5","1","2","5","7","1") = "6"
    & skf21("2","4","5","1","2","6","1","1") = "5"
    & skf21("2","4","5","1","2","6","2","1") = "5"
    & skf21("2","4","5","1","2","6","3","1") = "5"
    & skf21("2","4","5","1","2","6","4","1") = "5"
    & skf21("2","4","5","1","2","6","5","1") = "5"
    & skf21("2","4","5","1","2","6","6","1") = "5"
    & skf21("2","4","5","1","2","6","7","1") = "6"
    & skf21("2","4","5","1","2","7","1","1") = "6"
    & skf21("2","4","5","1","2","7","2","1") = "6"
    & skf21("2","4","5","1","2","7","3","1") = "6"
    & skf21("2","4","5","1","2","7","4","1") = "6"
    & skf21("2","4","5","1","2","7","5","1") = "6"
    & skf21("2","4","5","1","2","7","6","1") = "6"
    & skf21("2","4","5","1","2","7","7","1") = "6"
    & skf21("2","4","5","1","3","1","1","1") = "4"
    & skf21("2","4","5","1","3","1","2","1") = "4"
    & skf21("2","4","5","1","3","1","3","1") = "4"
    & skf21("2","4","5","1","3","1","4","1") = "4"
    & skf21("2","4","5","1","3","1","5","1") = "4"
    & skf21("2","4","5","1","3","1","6","1") = "5"
    & skf21("2","4","5","1","3","1","7","1") = "6"
    & skf21("2","4","5","1","3","2","1","1") = "4"
    & skf21("2","4","5","1","3","2","2","1") = "4"
    & skf21("2","4","5","1","3","2","3","1") = "4"
    & skf21("2","4","5","1","3","2","4","1") = "4"
    & skf21("2","4","5","1","3","2","5","1") = "4"
    & skf21("2","4","5","1","3","2","6","1") = "5"
    & skf21("2","4","5","1","3","2","7","1") = "6"
    & skf21("2","4","5","1","3","3","1","1") = "4"
    & skf21("2","4","5","1","3","3","2","1") = "4"
    & skf21("2","4","5","1","3","3","3","1") = "4"
    & skf21("2","4","5","1","3","3","4","1") = "4"
    & skf21("2","4","5","1","3","3","5","1") = "4"
    & skf21("2","4","5","1","3","3","6","1") = "5"
    & skf21("2","4","5","1","3","3","7","1") = "6"
    & skf21("2","4","5","1","3","4","1","1") = "4"
    & skf21("2","4","5","1","3","4","2","1") = "4"
    & skf21("2","4","5","1","3","4","3","1") = "4"
    & skf21("2","4","5","1","3","4","4","1") = "4"
    & skf21("2","4","5","1","3","4","5","1") = "4"
    & skf21("2","4","5","1","3","4","6","1") = "5"
    & skf21("2","4","5","1","3","4","7","1") = "6"
    & skf21("2","4","5","1","3","5","1","1") = "4"
    & skf21("2","4","5","1","3","5","2","1") = "4"
    & skf21("2","4","5","1","3","5","3","1") = "4"
    & skf21("2","4","5","1","3","5","4","1") = "4"
    & skf21("2","4","5","1","3","5","5","1") = "4"
    & skf21("2","4","5","1","3","5","6","1") = "5"
    & skf21("2","4","5","1","3","5","7","1") = "6"
    & skf21("2","4","5","1","3","6","1","1") = "5"
    & skf21("2","4","5","1","3","6","2","1") = "5"
    & skf21("2","4","5","1","3","6","3","1") = "5"
    & skf21("2","4","5","1","3","6","4","1") = "5"
    & skf21("2","4","5","1","3","6","5","1") = "5"
    & skf21("2","4","5","1","3","6","6","1") = "5"
    & skf21("2","4","5","1","3","6","7","1") = "6"
    & skf21("2","4","5","1","3","7","1","1") = "6"
    & skf21("2","4","5","1","3","7","2","1") = "6"
    & skf21("2","4","5","1","3","7","3","1") = "6"
    & skf21("2","4","5","1","3","7","4","1") = "6"
    & skf21("2","4","5","1","3","7","5","1") = "6"
    & skf21("2","4","5","1","3","7","6","1") = "6"
    & skf21("2","4","5","1","3","7","7","1") = "6"
    & skf21("2","4","5","1","4","1","1","1") = "4"
    & skf21("2","4","5","1","4","1","2","1") = "4"
    & skf21("2","4","5","1","4","1","3","1") = "4"
    & skf21("2","4","5","1","4","1","4","1") = "4"
    & skf21("2","4","5","1","4","1","5","1") = "4"
    & skf21("2","4","5","1","4","1","6","1") = "5"
    & skf21("2","4","5","1","4","1","7","1") = "6"
    & skf21("2","4","5","1","4","2","1","1") = "4"
    & skf21("2","4","5","1","4","2","2","1") = "4"
    & skf21("2","4","5","1","4","2","3","1") = "4"
    & skf21("2","4","5","1","4","2","4","1") = "4"
    & skf21("2","4","5","1","4","2","5","1") = "4"
    & skf21("2","4","5","1","4","2","6","1") = "5"
    & skf21("2","4","5","1","4","2","7","1") = "6"
    & skf21("2","4","5","1","4","3","1","1") = "4"
    & skf21("2","4","5","1","4","3","2","1") = "4"
    & skf21("2","4","5","1","4","3","3","1") = "4"
    & skf21("2","4","5","1","4","3","4","1") = "4"
    & skf21("2","4","5","1","4","3","5","1") = "4"
    & skf21("2","4","5","1","4","3","6","1") = "5"
    & skf21("2","4","5","1","4","3","7","1") = "6"
    & skf21("2","4","5","1","4","4","1","1") = "4"
    & skf21("2","4","5","1","4","4","2","1") = "4"
    & skf21("2","4","5","1","4","4","3","1") = "4"
    & skf21("2","4","5","1","4","4","4","1") = "4"
    & skf21("2","4","5","1","4","4","5","1") = "4"
    & skf21("2","4","5","1","4","4","6","1") = "5"
    & skf21("2","4","5","1","4","4","7","1") = "6"
    & skf21("2","4","5","1","4","5","1","1") = "4"
    & skf21("2","4","5","1","4","5","2","1") = "4"
    & skf21("2","4","5","1","4","5","3","1") = "4"
    & skf21("2","4","5","1","4","5","4","1") = "4"
    & skf21("2","4","5","1","4","5","5","1") = "4"
    & skf21("2","4","5","1","4","5","6","1") = "5"
    & skf21("2","4","5","1","4","5","7","1") = "6"
    & skf21("2","4","5","1","4","6","1","1") = "5"
    & skf21("2","4","5","1","4","6","2","1") = "5"
    & skf21("2","4","5","1","4","6","3","1") = "5"
    & skf21("2","4","5","1","4","6","4","1") = "5"
    & skf21("2","4","5","1","4","6","5","1") = "5"
    & skf21("2","4","5","1","4","6","6","1") = "5"
    & skf21("2","4","5","1","4","6","7","1") = "6"
    & skf21("2","4","5","1","4","7","1","1") = "6"
    & skf21("2","4","5","1","4","7","2","1") = "6"
    & skf21("2","4","5","1","4","7","3","1") = "6"
    & skf21("2","4","5","1","4","7","4","1") = "6"
    & skf21("2","4","5","1","4","7","5","1") = "6"
    & skf21("2","4","5","1","4","7","6","1") = "6"
    & skf21("2","4","5","1","4","7","7","1") = "6"
    & skf21("2","4","5","1","5","1","1","1") = "4"
    & skf21("2","4","5","1","5","1","2","1") = "4"
    & skf21("2","4","5","1","5","1","3","1") = "4"
    & skf21("2","4","5","1","5","1","4","1") = "4"
    & skf21("2","4","5","1","5","1","5","1") = "4"
    & skf21("2","4","5","1","5","1","6","1") = "5"
    & skf21("2","4","5","1","5","1","7","1") = "6"
    & skf21("2","4","5","1","5","2","1","1") = "4"
    & skf21("2","4","5","1","5","2","2","1") = "4"
    & skf21("2","4","5","1","5","2","3","1") = "4"
    & skf21("2","4","5","1","5","2","4","1") = "4"
    & skf21("2","4","5","1","5","2","5","1") = "4"
    & skf21("2","4","5","1","5","2","6","1") = "5"
    & skf21("2","4","5","1","5","2","7","1") = "6"
    & skf21("2","4","5","1","5","3","1","1") = "4"
    & skf21("2","4","5","1","5","3","2","1") = "4"
    & skf21("2","4","5","1","5","3","3","1") = "4"
    & skf21("2","4","5","1","5","3","4","1") = "4"
    & skf21("2","4","5","1","5","3","5","1") = "4"
    & skf21("2","4","5","1","5","3","6","1") = "5"
    & skf21("2","4","5","1","5","3","7","1") = "6"
    & skf21("2","4","5","1","5","4","1","1") = "4"
    & skf21("2","4","5","1","5","4","2","1") = "4"
    & skf21("2","4","5","1","5","4","3","1") = "4"
    & skf21("2","4","5","1","5","4","4","1") = "4"
    & skf21("2","4","5","1","5","4","5","1") = "4"
    & skf21("2","4","5","1","5","4","6","1") = "5"
    & skf21("2","4","5","1","5","4","7","1") = "6"
    & skf21("2","4","5","1","5","5","1","1") = "4"
    & skf21("2","4","5","1","5","5","2","1") = "4"
    & skf21("2","4","5","1","5","5","3","1") = "4"
    & skf21("2","4","5","1","5","5","4","1") = "4"
    & skf21("2","4","5","1","5","5","5","1") = "4"
    & skf21("2","4","5","1","5","5","6","1") = "5"
    & skf21("2","4","5","1","5","5","7","1") = "6"
    & skf21("2","4","5","1","5","6","1","1") = "5"
    & skf21("2","4","5","1","5","6","2","1") = "5"
    & skf21("2","4","5","1","5","6","3","1") = "5"
    & skf21("2","4","5","1","5","6","4","1") = "5"
    & skf21("2","4","5","1","5","6","5","1") = "5"
    & skf21("2","4","5","1","5","6","6","1") = "5"
    & skf21("2","4","5","1","5","6","7","1") = "6"
    & skf21("2","4","5","1","5","7","1","1") = "6"
    & skf21("2","4","5","1","5","7","2","1") = "6"
    & skf21("2","4","5","1","5","7","3","1") = "6"
    & skf21("2","4","5","1","5","7","4","1") = "6"
    & skf21("2","4","5","1","5","7","5","1") = "6"
    & skf21("2","4","5","1","5","7","6","1") = "6"
    & skf21("2","4","5","1","5","7","7","1") = "6"
    & skf21("2","4","5","1","6","1","1","1") = "5"
    & skf21("2","4","5","1","6","1","2","1") = "5"
    & skf21("2","4","5","1","6","1","3","1") = "5"
    & skf21("2","4","5","1","6","1","4","1") = "5"
    & skf21("2","4","5","1","6","1","5","1") = "5"
    & skf21("2","4","5","1","6","1","6","1") = "5"
    & skf21("2","4","5","1","6","1","7","1") = "6"
    & skf21("2","4","5","1","6","2","1","1") = "5"
    & skf21("2","4","5","1","6","2","2","1") = "5"
    & skf21("2","4","5","1","6","2","3","1") = "5"
    & skf21("2","4","5","1","6","2","4","1") = "5"
    & skf21("2","4","5","1","6","2","5","1") = "5"
    & skf21("2","4","5","1","6","2","6","1") = "5"
    & skf21("2","4","5","1","6","2","7","1") = "6"
    & skf21("2","4","5","1","6","3","1","1") = "5"
    & skf21("2","4","5","1","6","3","2","1") = "5"
    & skf21("2","4","5","1","6","3","3","1") = "5"
    & skf21("2","4","5","1","6","3","4","1") = "5"
    & skf21("2","4","5","1","6","3","5","1") = "5"
    & skf21("2","4","5","1","6","3","6","1") = "5"
    & skf21("2","4","5","1","6","3","7","1") = "6"
    & skf21("2","4","5","1","6","4","1","1") = "5"
    & skf21("2","4","5","1","6","4","2","1") = "5"
    & skf21("2","4","5","1","6","4","3","1") = "5"
    & skf21("2","4","5","1","6","4","4","1") = "5"
    & skf21("2","4","5","1","6","4","5","1") = "5"
    & skf21("2","4","5","1","6","4","6","1") = "5"
    & skf21("2","4","5","1","6","4","7","1") = "6"
    & skf21("2","4","5","1","6","5","1","1") = "5"
    & skf21("2","4","5","1","6","5","2","1") = "5"
    & skf21("2","4","5","1","6","5","3","1") = "5"
    & skf21("2","4","5","1","6","5","4","1") = "5"
    & skf21("2","4","5","1","6","5","5","1") = "5"
    & skf21("2","4","5","1","6","5","6","1") = "5"
    & skf21("2","4","5","1","6","5","7","1") = "6"
    & skf21("2","4","5","1","6","6","1","1") = "5"
    & skf21("2","4","5","1","6","6","2","1") = "5"
    & skf21("2","4","5","1","6","6","3","1") = "5"
    & skf21("2","4","5","1","6","6","4","1") = "5"
    & skf21("2","4","5","1","6","6","5","1") = "5"
    & skf21("2","4","5","1","6","6","6","1") = "5"
    & skf21("2","4","5","1","6","6","7","1") = "6"
    & skf21("2","4","5","1","6","7","1","1") = "6"
    & skf21("2","4","5","1","6","7","2","1") = "6"
    & skf21("2","4","5","1","6","7","3","1") = "6"
    & skf21("2","4","5","1","6","7","4","1") = "6"
    & skf21("2","4","5","1","6","7","5","1") = "6"
    & skf21("2","4","5","1","6","7","6","1") = "6"
    & skf21("2","4","5","1","6","7","7","1") = "6"
    & skf21("2","4","5","1","7","1","1","1") = "6"
    & skf21("2","4","5","1","7","1","2","1") = "6"
    & skf21("2","4","5","1","7","1","3","1") = "6"
    & skf21("2","4","5","1","7","1","4","1") = "6"
    & skf21("2","4","5","1","7","1","5","1") = "6"
    & skf21("2","4","5","1","7","1","6","1") = "6"
    & skf21("2","4","5","1","7","1","7","1") = "6"
    & skf21("2","4","5","1","7","2","1","1") = "6"
    & skf21("2","4","5","1","7","2","2","1") = "6"
    & skf21("2","4","5","1","7","2","3","1") = "6"
    & skf21("2","4","5","1","7","2","4","1") = "6"
    & skf21("2","4","5","1","7","2","5","1") = "6"
    & skf21("2","4","5","1","7","2","6","1") = "6"
    & skf21("2","4","5","1","7","2","7","1") = "6"
    & skf21("2","4","5","1","7","3","1","1") = "6"
    & skf21("2","4","5","1","7","3","2","1") = "6"
    & skf21("2","4","5","1","7","3","3","1") = "6"
    & skf21("2","4","5","1","7","3","4","1") = "6"
    & skf21("2","4","5","1","7","3","5","1") = "6"
    & skf21("2","4","5","1","7","3","6","1") = "6"
    & skf21("2","4","5","1","7","3","7","1") = "6"
    & skf21("2","4","5","1","7","4","1","1") = "6"
    & skf21("2","4","5","1","7","4","2","1") = "6"
    & skf21("2","4","5","1","7","4","3","1") = "6"
    & skf21("2","4","5","1","7","4","4","1") = "6"
    & skf21("2","4","5","1","7","4","5","1") = "6"
    & skf21("2","4","5","1","7","4","6","1") = "6"
    & skf21("2","4","5","1","7","4","7","1") = "6"
    & skf21("2","4","5","1","7","5","1","1") = "6"
    & skf21("2","4","5","1","7","5","2","1") = "6"
    & skf21("2","4","5","1","7","5","3","1") = "6"
    & skf21("2","4","5","1","7","5","4","1") = "6"
    & skf21("2","4","5","1","7","5","5","1") = "6"
    & skf21("2","4","5","1","7","5","6","1") = "6"
    & skf21("2","4","5","1","7","5","7","1") = "6"
    & skf21("2","4","5","1","7","6","1","1") = "6"
    & skf21("2","4","5","1","7","6","2","1") = "6"
    & skf21("2","4","5","1","7","6","3","1") = "6"
    & skf21("2","4","5","1","7","6","4","1") = "6"
    & skf21("2","4","5","1","7","6","5","1") = "6"
    & skf21("2","4","5","1","7","6","6","1") = "6"
    & skf21("2","4","5","1","7","6","7","1") = "6"
    & skf21("2","4","5","1","7","7","1","1") = "6"
    & skf21("2","4","5","1","7","7","2","1") = "6"
    & skf21("2","4","5","1","7","7","3","1") = "6"
    & skf21("2","4","5","1","7","7","4","1") = "6"
    & skf21("2","4","5","1","7","7","5","1") = "6"
    & skf21("2","4","5","1","7","7","6","1") = "6"
    & skf21("2","4","5","1","7","7","7","1") = "6"
    & skf21("2","4","5","2","1","1","1","1") = "4"
    & skf21("2","4","5","2","1","1","2","1") = "4"
    & skf21("2","4","5","2","1","1","3","1") = "4"
    & skf21("2","4","5","2","1","1","4","1") = "4"
    & skf21("2","4","5","2","1","1","5","1") = "4"
    & skf21("2","4","5","2","1","1","6","1") = "5"
    & skf21("2","4","5","2","1","1","7","1") = "6"
    & skf21("2","4","5","2","1","2","1","1") = "4"
    & skf21("2","4","5","2","1","2","2","1") = "4"
    & skf21("2","4","5","2","1","2","3","1") = "4"
    & skf21("2","4","5","2","1","2","4","1") = "4"
    & skf21("2","4","5","2","1","2","5","1") = "4"
    & skf21("2","4","5","2","1","2","6","1") = "5"
    & skf21("2","4","5","2","1","2","7","1") = "6"
    & skf21("2","4","5","2","1","3","1","1") = "4"
    & skf21("2","4","5","2","1","3","2","1") = "4"
    & skf21("2","4","5","2","1","3","3","1") = "4"
    & skf21("2","4","5","2","1","3","4","1") = "4"
    & skf21("2","4","5","2","1","3","5","1") = "4"
    & skf21("2","4","5","2","1","3","6","1") = "5"
    & skf21("2","4","5","2","1","3","7","1") = "6"
    & skf21("2","4","5","2","1","4","1","1") = "4"
    & skf21("2","4","5","2","1","4","2","1") = "4"
    & skf21("2","4","5","2","1","4","3","1") = "4"
    & skf21("2","4","5","2","1","4","4","1") = "4"
    & skf21("2","4","5","2","1","4","5","1") = "4"
    & skf21("2","4","5","2","1","4","6","1") = "5"
    & skf21("2","4","5","2","1","4","7","1") = "6"
    & skf21("2","4","5","2","1","5","1","1") = "4"
    & skf21("2","4","5","2","1","5","2","1") = "4"
    & skf21("2","4","5","2","1","5","3","1") = "4"
    & skf21("2","4","5","2","1","5","4","1") = "4"
    & skf21("2","4","5","2","1","5","5","1") = "4"
    & skf21("2","4","5","2","1","5","6","1") = "5"
    & skf21("2","4","5","2","1","5","7","1") = "6"
    & skf21("2","4","5","2","1","6","1","1") = "5"
    & skf21("2","4","5","2","1","6","2","1") = "5"
    & skf21("2","4","5","2","1","6","3","1") = "5"
    & skf21("2","4","5","2","1","6","4","1") = "5"
    & skf21("2","4","5","2","1","6","5","1") = "5"
    & skf21("2","4","5","2","1","6","6","1") = "5"
    & skf21("2","4","5","2","1","6","7","1") = "6"
    & skf21("2","4","5","2","1","7","1","1") = "6"
    & skf21("2","4","5","2","1","7","2","1") = "6"
    & skf21("2","4","5","2","1","7","3","1") = "6"
    & skf21("2","4","5","2","1","7","4","1") = "6"
    & skf21("2","4","5","2","1","7","5","1") = "6"
    & skf21("2","4","5","2","1","7","6","1") = "6"
    & skf21("2","4","5","2","1","7","7","1") = "6"
    & skf21("2","4","5","2","2","1","1","1") = "4"
    & skf21("2","4","5","2","2","1","2","1") = "4"
    & skf21("2","4","5","2","2","1","3","1") = "4"
    & skf21("2","4","5","2","2","1","4","1") = "4"
    & skf21("2","4","5","2","2","1","5","1") = "4"
    & skf21("2","4","5","2","2","1","6","1") = "5"
    & skf21("2","4","5","2","2","1","7","1") = "6"
    & skf21("2","4","5","2","2","2","1","1") = "4"
    & skf21("2","4","5","2","2","2","2","1") = "4"
    & skf21("2","4","5","2","2","2","3","1") = "4"
    & skf21("2","4","5","2","2","2","4","1") = "4"
    & skf21("2","4","5","2","2","2","5","1") = "4"
    & skf21("2","4","5","2","2","2","6","1") = "5"
    & skf21("2","4","5","2","2","2","7","1") = "6"
    & skf21("2","4","5","2","2","3","1","1") = "4"
    & skf21("2","4","5","2","2","3","2","1") = "4"
    & skf21("2","4","5","2","2","3","3","1") = "4"
    & skf21("2","4","5","2","2","3","4","1") = "4"
    & skf21("2","4","5","2","2","3","5","1") = "4"
    & skf21("2","4","5","2","2","3","6","1") = "5"
    & skf21("2","4","5","2","2","3","7","1") = "6"
    & skf21("2","4","5","2","2","4","1","1") = "4"
    & skf21("2","4","5","2","2","4","2","1") = "4"
    & skf21("2","4","5","2","2","4","3","1") = "4"
    & skf21("2","4","5","2","2","4","4","1") = "4"
    & skf21("2","4","5","2","2","4","5","1") = "4"
    & skf21("2","4","5","2","2","4","6","1") = "5"
    & skf21("2","4","5","2","2","4","7","1") = "6"
    & skf21("2","4","5","2","2","5","1","1") = "4"
    & skf21("2","4","5","2","2","5","2","1") = "4"
    & skf21("2","4","5","2","2","5","3","1") = "4"
    & skf21("2","4","5","2","2","5","4","1") = "4"
    & skf21("2","4","5","2","2","5","5","1") = "4"
    & skf21("2","4","5","2","2","5","6","1") = "5"
    & skf21("2","4","5","2","2","5","7","1") = "6"
    & skf21("2","4","5","2","2","6","1","1") = "5"
    & skf21("2","4","5","2","2","6","2","1") = "5"
    & skf21("2","4","5","2","2","6","3","1") = "5"
    & skf21("2","4","5","2","2","6","4","1") = "5"
    & skf21("2","4","5","2","2","6","5","1") = "5"
    & skf21("2","4","5","2","2","6","6","1") = "5"
    & skf21("2","4","5","2","2","6","7","1") = "6"
    & skf21("2","4","5","2","2","7","1","1") = "6"
    & skf21("2","4","5","2","2","7","2","1") = "6"
    & skf21("2","4","5","2","2","7","3","1") = "6"
    & skf21("2","4","5","2","2","7","4","1") = "6"
    & skf21("2","4","5","2","2","7","5","1") = "6"
    & skf21("2","4","5","2","2","7","6","1") = "6"
    & skf21("2","4","5","2","2","7","7","1") = "6"
    & skf21("2","4","5","2","3","1","1","1") = "4"
    & skf21("2","4","5","2","3","1","2","1") = "4"
    & skf21("2","4","5","2","3","1","3","1") = "4"
    & skf21("2","4","5","2","3","1","4","1") = "4"
    & skf21("2","4","5","2","3","1","5","1") = "4"
    & skf21("2","4","5","2","3","1","6","1") = "5"
    & skf21("2","4","5","2","3","1","7","1") = "6"
    & skf21("2","4","5","2","3","2","1","1") = "4"
    & skf21("2","4","5","2","3","2","2","1") = "4"
    & skf21("2","4","5","2","3","2","3","1") = "4"
    & skf21("2","4","5","2","3","2","4","1") = "4"
    & skf21("2","4","5","2","3","2","5","1") = "4"
    & skf21("2","4","5","2","3","2","6","1") = "5"
    & skf21("2","4","5","2","3","2","7","1") = "6"
    & skf21("2","4","5","2","3","3","1","1") = "4"
    & skf21("2","4","5","2","3","3","2","1") = "4"
    & skf21("2","4","5","2","3","3","3","1") = "4"
    & skf21("2","4","5","2","3","3","4","1") = "4"
    & skf21("2","4","5","2","3","3","5","1") = "4"
    & skf21("2","4","5","2","3","3","6","1") = "5"
    & skf21("2","4","5","2","3","3","7","1") = "6"
    & skf21("2","4","5","2","3","4","1","1") = "4"
    & skf21("2","4","5","2","3","4","2","1") = "4"
    & skf21("2","4","5","2","3","4","3","1") = "4"
    & skf21("2","4","5","2","3","4","4","1") = "4"
    & skf21("2","4","5","2","3","4","5","1") = "4"
    & skf21("2","4","5","2","3","4","6","1") = "5"
    & skf21("2","4","5","2","3","4","7","1") = "6"
    & skf21("2","4","5","2","3","5","1","1") = "4"
    & skf21("2","4","5","2","3","5","2","1") = "4"
    & skf21("2","4","5","2","3","5","3","1") = "4"
    & skf21("2","4","5","2","3","5","4","1") = "4"
    & skf21("2","4","5","2","3","5","5","1") = "4"
    & skf21("2","4","5","2","3","5","6","1") = "5"
    & skf21("2","4","5","2","3","5","7","1") = "6"
    & skf21("2","4","5","2","3","6","1","1") = "5"
    & skf21("2","4","5","2","3","6","2","1") = "5"
    & skf21("2","4","5","2","3","6","3","1") = "5"
    & skf21("2","4","5","2","3","6","4","1") = "5"
    & skf21("2","4","5","2","3","6","5","1") = "5"
    & skf21("2","4","5","2","3","6","6","1") = "5"
    & skf21("2","4","5","2","3","6","7","1") = "6"
    & skf21("2","4","5","2","3","7","1","1") = "6"
    & skf21("2","4","5","2","3","7","2","1") = "6"
    & skf21("2","4","5","2","3","7","3","1") = "6"
    & skf21("2","4","5","2","3","7","4","1") = "6"
    & skf21("2","4","5","2","3","7","5","1") = "6"
    & skf21("2","4","5","2","3","7","6","1") = "6"
    & skf21("2","4","5","2","3","7","7","1") = "6"
    & skf21("2","4","5","2","4","1","1","1") = "4"
    & skf21("2","4","5","2","4","1","2","1") = "4"
    & skf21("2","4","5","2","4","1","3","1") = "4"
    & skf21("2","4","5","2","4","1","4","1") = "4"
    & skf21("2","4","5","2","4","1","5","1") = "4"
    & skf21("2","4","5","2","4","1","6","1") = "5"
    & skf21("2","4","5","2","4","1","7","1") = "6"
    & skf21("2","4","5","2","4","2","1","1") = "4"
    & skf21("2","4","5","2","4","2","2","1") = "4"
    & skf21("2","4","5","2","4","2","3","1") = "4"
    & skf21("2","4","5","2","4","2","4","1") = "4"
    & skf21("2","4","5","2","4","2","5","1") = "4"
    & skf21("2","4","5","2","4","2","6","1") = "5"
    & skf21("2","4","5","2","4","2","7","1") = "6"
    & skf21("2","4","5","2","4","3","1","1") = "4"
    & skf21("2","4","5","2","4","3","2","1") = "4"
    & skf21("2","4","5","2","4","3","3","1") = "4"
    & skf21("2","4","5","2","4","3","4","1") = "4"
    & skf21("2","4","5","2","4","3","5","1") = "4"
    & skf21("2","4","5","2","4","3","6","1") = "5"
    & skf21("2","4","5","2","4","3","7","1") = "6"
    & skf21("2","4","5","2","4","4","1","1") = "4"
    & skf21("2","4","5","2","4","4","2","1") = "4"
    & skf21("2","4","5","2","4","4","3","1") = "4"
    & skf21("2","4","5","2","4","4","4","1") = "4"
    & skf21("2","4","5","2","4","4","5","1") = "4"
    & skf21("2","4","5","2","4","4","6","1") = "5"
    & skf21("2","4","5","2","4","4","7","1") = "6"
    & skf21("2","4","5","2","4","5","1","1") = "4"
    & skf21("2","4","5","2","4","5","2","1") = "4"
    & skf21("2","4","5","2","4","5","3","1") = "4"
    & skf21("2","4","5","2","4","5","4","1") = "4"
    & skf21("2","4","5","2","4","5","5","1") = "4"
    & skf21("2","4","5","2","4","5","6","1") = "5"
    & skf21("2","4","5","2","4","5","7","1") = "6"
    & skf21("2","4","5","2","4","6","1","1") = "5"
    & skf21("2","4","5","2","4","6","2","1") = "5"
    & skf21("2","4","5","2","4","6","3","1") = "5"
    & skf21("2","4","5","2","4","6","4","1") = "5"
    & skf21("2","4","5","2","4","6","5","1") = "5"
    & skf21("2","4","5","2","4","6","6","1") = "5"
    & skf21("2","4","5","2","4","6","7","1") = "6"
    & skf21("2","4","5","2","4","7","1","1") = "6"
    & skf21("2","4","5","2","4","7","2","1") = "6"
    & skf21("2","4","5","2","4","7","3","1") = "6"
    & skf21("2","4","5","2","4","7","4","1") = "6"
    & skf21("2","4","5","2","4","7","5","1") = "6"
    & skf21("2","4","5","2","4","7","6","1") = "6"
    & skf21("2","4","5","2","4","7","7","1") = "6"
    & skf21("2","4","5","2","5","1","1","1") = "4"
    & skf21("2","4","5","2","5","1","2","1") = "4"
    & skf21("2","4","5","2","5","1","3","1") = "4"
    & skf21("2","4","5","2","5","1","4","1") = "4"
    & skf21("2","4","5","2","5","1","5","1") = "4"
    & skf21("2","4","5","2","5","1","6","1") = "5"
    & skf21("2","4","5","2","5","1","7","1") = "6"
    & skf21("2","4","5","2","5","2","1","1") = "4"
    & skf21("2","4","5","2","5","2","2","1") = "4"
    & skf21("2","4","5","2","5","2","3","1") = "4"
    & skf21("2","4","5","2","5","2","4","1") = "4"
    & skf21("2","4","5","2","5","2","5","1") = "4"
    & skf21("2","4","5","2","5","2","6","1") = "5"
    & skf21("2","4","5","2","5","2","7","1") = "6"
    & skf21("2","4","5","2","5","3","1","1") = "4"
    & skf21("2","4","5","2","5","3","2","1") = "4"
    & skf21("2","4","5","2","5","3","3","1") = "4"
    & skf21("2","4","5","2","5","3","4","1") = "4"
    & skf21("2","4","5","2","5","3","5","1") = "4"
    & skf21("2","4","5","2","5","3","6","1") = "5"
    & skf21("2","4","5","2","5","3","7","1") = "6"
    & skf21("2","4","5","2","5","4","1","1") = "4"
    & skf21("2","4","5","2","5","4","2","1") = "4"
    & skf21("2","4","5","2","5","4","3","1") = "4"
    & skf21("2","4","5","2","5","4","4","1") = "4"
    & skf21("2","4","5","2","5","4","5","1") = "4"
    & skf21("2","4","5","2","5","4","6","1") = "5"
    & skf21("2","4","5","2","5","4","7","1") = "6"
    & skf21("2","4","5","2","5","5","1","1") = "4"
    & skf21("2","4","5","2","5","5","2","1") = "4"
    & skf21("2","4","5","2","5","5","3","1") = "4"
    & skf21("2","4","5","2","5","5","4","1") = "4"
    & skf21("2","4","5","2","5","5","5","1") = "4"
    & skf21("2","4","5","2","5","5","6","1") = "5"
    & skf21("2","4","5","2","5","5","7","1") = "6"
    & skf21("2","4","5","2","5","6","1","1") = "5"
    & skf21("2","4","5","2","5","6","2","1") = "5"
    & skf21("2","4","5","2","5","6","3","1") = "5"
    & skf21("2","4","5","2","5","6","4","1") = "5"
    & skf21("2","4","5","2","5","6","5","1") = "5"
    & skf21("2","4","5","2","5","6","6","1") = "5"
    & skf21("2","4","5","2","5","6","7","1") = "6"
    & skf21("2","4","5","2","5","7","1","1") = "6"
    & skf21("2","4","5","2","5","7","2","1") = "6"
    & skf21("2","4","5","2","5","7","3","1") = "6"
    & skf21("2","4","5","2","5","7","4","1") = "6"
    & skf21("2","4","5","2","5","7","5","1") = "6"
    & skf21("2","4","5","2","5","7","6","1") = "6"
    & skf21("2","4","5","2","5","7","7","1") = "6"
    & skf21("2","4","5","2","6","1","1","1") = "5"
    & skf21("2","4","5","2","6","1","2","1") = "5"
    & skf21("2","4","5","2","6","1","3","1") = "5"
    & skf21("2","4","5","2","6","1","4","1") = "5"
    & skf21("2","4","5","2","6","1","5","1") = "5"
    & skf21("2","4","5","2","6","1","6","1") = "5"
    & skf21("2","4","5","2","6","1","7","1") = "6"
    & skf21("2","4","5","2","6","2","1","1") = "5"
    & skf21("2","4","5","2","6","2","2","1") = "5"
    & skf21("2","4","5","2","6","2","3","1") = "5"
    & skf21("2","4","5","2","6","2","4","1") = "5"
    & skf21("2","4","5","2","6","2","5","1") = "5"
    & skf21("2","4","5","2","6","2","6","1") = "5"
    & skf21("2","4","5","2","6","2","7","1") = "6"
    & skf21("2","4","5","2","6","3","1","1") = "5"
    & skf21("2","4","5","2","6","3","2","1") = "5"
    & skf21("2","4","5","2","6","3","3","1") = "5"
    & skf21("2","4","5","2","6","3","4","1") = "5"
    & skf21("2","4","5","2","6","3","5","1") = "5"
    & skf21("2","4","5","2","6","3","6","1") = "5"
    & skf21("2","4","5","2","6","3","7","1") = "6"
    & skf21("2","4","5","2","6","4","1","1") = "5"
    & skf21("2","4","5","2","6","4","2","1") = "5"
    & skf21("2","4","5","2","6","4","3","1") = "5"
    & skf21("2","4","5","2","6","4","4","1") = "5"
    & skf21("2","4","5","2","6","4","5","1") = "5"
    & skf21("2","4","5","2","6","4","6","1") = "5"
    & skf21("2","4","5","2","6","4","7","1") = "6"
    & skf21("2","4","5","2","6","5","1","1") = "5"
    & skf21("2","4","5","2","6","5","2","1") = "5"
    & skf21("2","4","5","2","6","5","3","1") = "5"
    & skf21("2","4","5","2","6","5","4","1") = "5"
    & skf21("2","4","5","2","6","5","5","1") = "5"
    & skf21("2","4","5","2","6","5","6","1") = "5"
    & skf21("2","4","5","2","6","5","7","1") = "6"
    & skf21("2","4","5","2","6","6","1","1") = "5"
    & skf21("2","4","5","2","6","6","2","1") = "5"
    & skf21("2","4","5","2","6","6","3","1") = "5"
    & skf21("2","4","5","2","6","6","4","1") = "5"
    & skf21("2","4","5","2","6","6","5","1") = "5"
    & skf21("2","4","5","2","6","6","6","1") = "5"
    & skf21("2","4","5","2","6","6","7","1") = "6"
    & skf21("2","4","5","2","6","7","1","1") = "6"
    & skf21("2","4","5","2","6","7","2","1") = "6"
    & skf21("2","4","5","2","6","7","3","1") = "6"
    & skf21("2","4","5","2","6","7","4","1") = "6"
    & skf21("2","4","5","2","6","7","5","1") = "6"
    & skf21("2","4","5","2","6","7","6","1") = "6"
    & skf21("2","4","5","2","6","7","7","1") = "6"
    & skf21("2","4","5","2","7","1","1","1") = "6"
    & skf21("2","4","5","2","7","1","2","1") = "6"
    & skf21("2","4","5","2","7","1","3","1") = "6"
    & skf21("2","4","5","2","7","1","4","1") = "6"
    & skf21("2","4","5","2","7","1","5","1") = "6"
    & skf21("2","4","5","2","7","1","6","1") = "6"
    & skf21("2","4","5","2","7","1","7","1") = "6"
    & skf21("2","4","5","2","7","2","1","1") = "6"
    & skf21("2","4","5","2","7","2","2","1") = "6"
    & skf21("2","4","5","2","7","2","3","1") = "6"
    & skf21("2","4","5","2","7","2","4","1") = "6"
    & skf21("2","4","5","2","7","2","5","1") = "6"
    & skf21("2","4","5","2","7","2","6","1") = "6"
    & skf21("2","4","5","2","7","2","7","1") = "6"
    & skf21("2","4","5","2","7","3","1","1") = "6"
    & skf21("2","4","5","2","7","3","2","1") = "6"
    & skf21("2","4","5","2","7","3","3","1") = "6"
    & skf21("2","4","5","2","7","3","4","1") = "6"
    & skf21("2","4","5","2","7","3","5","1") = "6"
    & skf21("2","4","5","2","7","3","6","1") = "6"
    & skf21("2","4","5","2","7","3","7","1") = "6"
    & skf21("2","4","5","2","7","4","1","1") = "6"
    & skf21("2","4","5","2","7","4","2","1") = "6"
    & skf21("2","4","5","2","7","4","3","1") = "6"
    & skf21("2","4","5","2","7","4","4","1") = "6"
    & skf21("2","4","5","2","7","4","5","1") = "6"
    & skf21("2","4","5","2","7","4","6","1") = "6"
    & skf21("2","4","5","2","7","4","7","1") = "6"
    & skf21("2","4","5","2","7","5","1","1") = "6"
    & skf21("2","4","5","2","7","5","2","1") = "6"
    & skf21("2","4","5","2","7","5","3","1") = "6"
    & skf21("2","4","5","2","7","5","4","1") = "6"
    & skf21("2","4","5","2","7","5","5","1") = "6"
    & skf21("2","4","5","2","7","5","6","1") = "6"
    & skf21("2","4","5","2","7","5","7","1") = "6"
    & skf21("2","4","5","2","7","6","1","1") = "6"
    & skf21("2","4","5","2","7","6","2","1") = "6"
    & skf21("2","4","5","2","7","6","3","1") = "6"
    & skf21("2","4","5","2","7","6","4","1") = "6"
    & skf21("2","4","5","2","7","6","5","1") = "6"
    & skf21("2","4","5","2","7","6","6","1") = "6"
    & skf21("2","4","5","2","7","6","7","1") = "6"
    & skf21("2","4","5","2","7","7","1","1") = "6"
    & skf21("2","4","5","2","7","7","2","1") = "6"
    & skf21("2","4","5","2","7","7","3","1") = "6"
    & skf21("2","4","5","2","7","7","4","1") = "6"
    & skf21("2","4","5","2","7","7","5","1") = "6"
    & skf21("2","4","5","2","7","7","6","1") = "6"
    & skf21("2","4","5","2","7","7","7","1") = "6"
    & skf21("2","4","5","3","1","1","1","1") = "4"
    & skf21("2","4","5","3","1","1","2","1") = "4"
    & skf21("2","4","5","3","1","1","3","1") = "4"
    & skf21("2","4","5","3","1","1","4","1") = "4"
    & skf21("2","4","5","3","1","1","5","1") = "4"
    & skf21("2","4","5","3","1","1","6","1") = "5"
    & skf21("2","4","5","3","1","1","7","1") = "6"
    & skf21("2","4","5","3","1","2","1","1") = "4"
    & skf21("2","4","5","3","1","2","2","1") = "4"
    & skf21("2","4","5","3","1","2","3","1") = "4"
    & skf21("2","4","5","3","1","2","4","1") = "4"
    & skf21("2","4","5","3","1","2","5","1") = "4"
    & skf21("2","4","5","3","1","2","6","1") = "5"
    & skf21("2","4","5","3","1","2","7","1") = "6"
    & skf21("2","4","5","3","1","3","1","1") = "4"
    & skf21("2","4","5","3","1","3","2","1") = "4"
    & skf21("2","4","5","3","1","3","3","1") = "4"
    & skf21("2","4","5","3","1","3","4","1") = "4"
    & skf21("2","4","5","3","1","3","5","1") = "4"
    & skf21("2","4","5","3","1","3","6","1") = "5"
    & skf21("2","4","5","3","1","3","7","1") = "6"
    & skf21("2","4","5","3","1","4","1","1") = "4"
    & skf21("2","4","5","3","1","4","2","1") = "4"
    & skf21("2","4","5","3","1","4","3","1") = "4"
    & skf21("2","4","5","3","1","4","4","1") = "4"
    & skf21("2","4","5","3","1","4","5","1") = "4"
    & skf21("2","4","5","3","1","4","6","1") = "5"
    & skf21("2","4","5","3","1","4","7","1") = "6"
    & skf21("2","4","5","3","1","5","1","1") = "4"
    & skf21("2","4","5","3","1","5","2","1") = "4"
    & skf21("2","4","5","3","1","5","3","1") = "4"
    & skf21("2","4","5","3","1","5","4","1") = "4"
    & skf21("2","4","5","3","1","5","5","1") = "4"
    & skf21("2","4","5","3","1","5","6","1") = "5"
    & skf21("2","4","5","3","1","5","7","1") = "6"
    & skf21("2","4","5","3","1","6","1","1") = "5"
    & skf21("2","4","5","3","1","6","2","1") = "5"
    & skf21("2","4","5","3","1","6","3","1") = "5"
    & skf21("2","4","5","3","1","6","4","1") = "5"
    & skf21("2","4","5","3","1","6","5","1") = "5"
    & skf21("2","4","5","3","1","6","6","1") = "5"
    & skf21("2","4","5","3","1","6","7","1") = "6"
    & skf21("2","4","5","3","1","7","1","1") = "6"
    & skf21("2","4","5","3","1","7","2","1") = "6"
    & skf21("2","4","5","3","1","7","3","1") = "6"
    & skf21("2","4","5","3","1","7","4","1") = "6"
    & skf21("2","4","5","3","1","7","5","1") = "6"
    & skf21("2","4","5","3","1","7","6","1") = "6"
    & skf21("2","4","5","3","1","7","7","1") = "6"
    & skf21("2","4","5","3","2","1","1","1") = "4"
    & skf21("2","4","5","3","2","1","2","1") = "4"
    & skf21("2","4","5","3","2","1","3","1") = "4"
    & skf21("2","4","5","3","2","1","4","1") = "4"
    & skf21("2","4","5","3","2","1","5","1") = "4"
    & skf21("2","4","5","3","2","1","6","1") = "5"
    & skf21("2","4","5","3","2","1","7","1") = "6"
    & skf21("2","4","5","3","2","2","1","1") = "4"
    & skf21("2","4","5","3","2","2","2","1") = "4"
    & skf21("2","4","5","3","2","2","3","1") = "4"
    & skf21("2","4","5","3","2","2","4","1") = "4"
    & skf21("2","4","5","3","2","2","5","1") = "4"
    & skf21("2","4","5","3","2","2","6","1") = "5"
    & skf21("2","4","5","3","2","2","7","1") = "6"
    & skf21("2","4","5","3","2","3","1","1") = "4"
    & skf21("2","4","5","3","2","3","2","1") = "4"
    & skf21("2","4","5","3","2","3","3","1") = "4"
    & skf21("2","4","5","3","2","3","4","1") = "4"
    & skf21("2","4","5","3","2","3","5","1") = "4"
    & skf21("2","4","5","3","2","3","6","1") = "5"
    & skf21("2","4","5","3","2","3","7","1") = "6"
    & skf21("2","4","5","3","2","4","1","1") = "4"
    & skf21("2","4","5","3","2","4","2","1") = "4"
    & skf21("2","4","5","3","2","4","3","1") = "4"
    & skf21("2","4","5","3","2","4","4","1") = "4"
    & skf21("2","4","5","3","2","4","5","1") = "4"
    & skf21("2","4","5","3","2","4","6","1") = "5"
    & skf21("2","4","5","3","2","4","7","1") = "6"
    & skf21("2","4","5","3","2","5","1","1") = "4"
    & skf21("2","4","5","3","2","5","2","1") = "4"
    & skf21("2","4","5","3","2","5","3","1") = "4"
    & skf21("2","4","5","3","2","5","4","1") = "4"
    & skf21("2","4","5","3","2","5","5","1") = "4"
    & skf21("2","4","5","3","2","5","6","1") = "5"
    & skf21("2","4","5","3","2","5","7","1") = "6"
    & skf21("2","4","5","3","2","6","1","1") = "5"
    & skf21("2","4","5","3","2","6","2","1") = "5"
    & skf21("2","4","5","3","2","6","3","1") = "5"
    & skf21("2","4","5","3","2","6","4","1") = "5"
    & skf21("2","4","5","3","2","6","5","1") = "5"
    & skf21("2","4","5","3","2","6","6","1") = "5"
    & skf21("2","4","5","3","2","6","7","1") = "6"
    & skf21("2","4","5","3","2","7","1","1") = "6"
    & skf21("2","4","5","3","2","7","2","1") = "6"
    & skf21("2","4","5","3","2","7","3","1") = "6"
    & skf21("2","4","5","3","2","7","4","1") = "6"
    & skf21("2","4","5","3","2","7","5","1") = "6"
    & skf21("2","4","5","3","2","7","6","1") = "6"
    & skf21("2","4","5","3","2","7","7","1") = "6"
    & skf21("2","4","5","3","3","1","1","1") = "4"
    & skf21("2","4","5","3","3","1","2","1") = "4"
    & skf21("2","4","5","3","3","1","3","1") = "4"
    & skf21("2","4","5","3","3","1","4","1") = "4"
    & skf21("2","4","5","3","3","1","5","1") = "4"
    & skf21("2","4","5","3","3","1","6","1") = "5"
    & skf21("2","4","5","3","3","1","7","1") = "6"
    & skf21("2","4","5","3","3","2","1","1") = "4"
    & skf21("2","4","5","3","3","2","2","1") = "4"
    & skf21("2","4","5","3","3","2","3","1") = "4"
    & skf21("2","4","5","3","3","2","4","1") = "4"
    & skf21("2","4","5","3","3","2","5","1") = "4"
    & skf21("2","4","5","3","3","2","6","1") = "5"
    & skf21("2","4","5","3","3","2","7","1") = "6"
    & skf21("2","4","5","3","3","3","1","1") = "4"
    & skf21("2","4","5","3","3","3","2","1") = "4"
    & skf21("2","4","5","3","3","3","3","1") = "4"
    & skf21("2","4","5","3","3","3","4","1") = "4"
    & skf21("2","4","5","3","3","3","5","1") = "4"
    & skf21("2","4","5","3","3","3","6","1") = "5"
    & skf21("2","4","5","3","3","3","7","1") = "6"
    & skf21("2","4","5","3","3","4","1","1") = "4"
    & skf21("2","4","5","3","3","4","2","1") = "4"
    & skf21("2","4","5","3","3","4","3","1") = "4"
    & skf21("2","4","5","3","3","4","4","1") = "4"
    & skf21("2","4","5","3","3","4","5","1") = "4"
    & skf21("2","4","5","3","3","4","6","1") = "5"
    & skf21("2","4","5","3","3","4","7","1") = "6"
    & skf21("2","4","5","3","3","5","1","1") = "4"
    & skf21("2","4","5","3","3","5","2","1") = "4"
    & skf21("2","4","5","3","3","5","3","1") = "4"
    & skf21("2","4","5","3","3","5","4","1") = "4"
    & skf21("2","4","5","3","3","5","5","1") = "4"
    & skf21("2","4","5","3","3","5","6","1") = "5"
    & skf21("2","4","5","3","3","5","7","1") = "6"
    & skf21("2","4","5","3","3","6","1","1") = "5"
    & skf21("2","4","5","3","3","6","2","1") = "5"
    & skf21("2","4","5","3","3","6","3","1") = "5"
    & skf21("2","4","5","3","3","6","4","1") = "5"
    & skf21("2","4","5","3","3","6","5","1") = "5"
    & skf21("2","4","5","3","3","6","6","1") = "5"
    & skf21("2","4","5","3","3","6","7","1") = "6"
    & skf21("2","4","5","3","3","7","1","1") = "6"
    & skf21("2","4","5","3","3","7","2","1") = "6"
    & skf21("2","4","5","3","3","7","3","1") = "6"
    & skf21("2","4","5","3","3","7","4","1") = "6"
    & skf21("2","4","5","3","3","7","5","1") = "6"
    & skf21("2","4","5","3","3","7","6","1") = "6"
    & skf21("2","4","5","3","3","7","7","1") = "6"
    & skf21("2","4","5","3","4","1","1","1") = "4"
    & skf21("2","4","5","3","4","1","2","1") = "4"
    & skf21("2","4","5","3","4","1","3","1") = "4"
    & skf21("2","4","5","3","4","1","4","1") = "4"
    & skf21("2","4","5","3","4","1","5","1") = "4"
    & skf21("2","4","5","3","4","1","6","1") = "5"
    & skf21("2","4","5","3","4","1","7","1") = "6"
    & skf21("2","4","5","3","4","2","1","1") = "4"
    & skf21("2","4","5","3","4","2","2","1") = "4"
    & skf21("2","4","5","3","4","2","3","1") = "4"
    & skf21("2","4","5","3","4","2","4","1") = "4"
    & skf21("2","4","5","3","4","2","5","1") = "4"
    & skf21("2","4","5","3","4","2","6","1") = "5"
    & skf21("2","4","5","3","4","2","7","1") = "6"
    & skf21("2","4","5","3","4","3","1","1") = "4"
    & skf21("2","4","5","3","4","3","2","1") = "4"
    & skf21("2","4","5","3","4","3","3","1") = "4"
    & skf21("2","4","5","3","4","3","4","1") = "4"
    & skf21("2","4","5","3","4","3","5","1") = "4"
    & skf21("2","4","5","3","4","3","6","1") = "5"
    & skf21("2","4","5","3","4","3","7","1") = "6"
    & skf21("2","4","5","3","4","4","1","1") = "4"
    & skf21("2","4","5","3","4","4","2","1") = "4"
    & skf21("2","4","5","3","4","4","3","1") = "4"
    & skf21("2","4","5","3","4","4","4","1") = "4"
    & skf21("2","4","5","3","4","4","5","1") = "4"
    & skf21("2","4","5","3","4","4","6","1") = "5"
    & skf21("2","4","5","3","4","4","7","1") = "6"
    & skf21("2","4","5","3","4","5","1","1") = "4"
    & skf21("2","4","5","3","4","5","2","1") = "4"
    & skf21("2","4","5","3","4","5","3","1") = "4"
    & skf21("2","4","5","3","4","5","4","1") = "4"
    & skf21("2","4","5","3","4","5","5","1") = "4"
    & skf21("2","4","5","3","4","5","6","1") = "5"
    & skf21("2","4","5","3","4","5","7","1") = "6"
    & skf21("2","4","5","3","4","6","1","1") = "5"
    & skf21("2","4","5","3","4","6","2","1") = "5"
    & skf21("2","4","5","3","4","6","3","1") = "5"
    & skf21("2","4","5","3","4","6","4","1") = "5"
    & skf21("2","4","5","3","4","6","5","1") = "5"
    & skf21("2","4","5","3","4","6","6","1") = "5"
    & skf21("2","4","5","3","4","6","7","1") = "6"
    & skf21("2","4","5","3","4","7","1","1") = "6"
    & skf21("2","4","5","3","4","7","2","1") = "6"
    & skf21("2","4","5","3","4","7","3","1") = "6"
    & skf21("2","4","5","3","4","7","4","1") = "6"
    & skf21("2","4","5","3","4","7","5","1") = "6"
    & skf21("2","4","5","3","4","7","6","1") = "6"
    & skf21("2","4","5","3","4","7","7","1") = "6"
    & skf21("2","4","5","3","5","1","1","1") = "4"
    & skf21("2","4","5","3","5","1","2","1") = "4"
    & skf21("2","4","5","3","5","1","3","1") = "4"
    & skf21("2","4","5","3","5","1","4","1") = "4"
    & skf21("2","4","5","3","5","1","5","1") = "4"
    & skf21("2","4","5","3","5","1","6","1") = "5"
    & skf21("2","4","5","3","5","1","7","1") = "6"
    & skf21("2","4","5","3","5","2","1","1") = "4"
    & skf21("2","4","5","3","5","2","2","1") = "4"
    & skf21("2","4","5","3","5","2","3","1") = "4"
    & skf21("2","4","5","3","5","2","4","1") = "4"
    & skf21("2","4","5","3","5","2","5","1") = "4"
    & skf21("2","4","5","3","5","2","6","1") = "5"
    & skf21("2","4","5","3","5","2","7","1") = "6"
    & skf21("2","4","5","3","5","3","1","1") = "4"
    & skf21("2","4","5","3","5","3","2","1") = "4"
    & skf21("2","4","5","3","5","3","3","1") = "4"
    & skf21("2","4","5","3","5","3","4","1") = "4"
    & skf21("2","4","5","3","5","3","5","1") = "4"
    & skf21("2","4","5","3","5","3","6","1") = "5"
    & skf21("2","4","5","3","5","3","7","1") = "6"
    & skf21("2","4","5","3","5","4","1","1") = "4"
    & skf21("2","4","5","3","5","4","2","1") = "4"
    & skf21("2","4","5","3","5","4","3","1") = "4"
    & skf21("2","4","5","3","5","4","4","1") = "4"
    & skf21("2","4","5","3","5","4","5","1") = "4"
    & skf21("2","4","5","3","5","4","6","1") = "5"
    & skf21("2","4","5","3","5","4","7","1") = "6"
    & skf21("2","4","5","3","5","5","1","1") = "4"
    & skf21("2","4","5","3","5","5","2","1") = "4"
    & skf21("2","4","5","3","5","5","3","1") = "4"
    & skf21("2","4","5","3","5","5","4","1") = "4"
    & skf21("2","4","5","3","5","5","5","1") = "4"
    & skf21("2","4","5","3","5","5","6","1") = "5"
    & skf21("2","4","5","3","5","5","7","1") = "6"
    & skf21("2","4","5","3","5","6","1","1") = "5"
    & skf21("2","4","5","3","5","6","2","1") = "5"
    & skf21("2","4","5","3","5","6","3","1") = "5"
    & skf21("2","4","5","3","5","6","4","1") = "5"
    & skf21("2","4","5","3","5","6","5","1") = "5"
    & skf21("2","4","5","3","5","6","6","1") = "5"
    & skf21("2","4","5","3","5","6","7","1") = "6"
    & skf21("2","4","5","3","5","7","1","1") = "6"
    & skf21("2","4","5","3","5","7","2","1") = "6"
    & skf21("2","4","5","3","5","7","3","1") = "6"
    & skf21("2","4","5","3","5","7","4","1") = "6"
    & skf21("2","4","5","3","5","7","5","1") = "6"
    & skf21("2","4","5","3","5","7","6","1") = "6"
    & skf21("2","4","5","3","5","7","7","1") = "6"
    & skf21("2","4","5","3","6","1","1","1") = "5"
    & skf21("2","4","5","3","6","1","2","1") = "5"
    & skf21("2","4","5","3","6","1","3","1") = "5"
    & skf21("2","4","5","3","6","1","4","1") = "5"
    & skf21("2","4","5","3","6","1","5","1") = "5"
    & skf21("2","4","5","3","6","1","6","1") = "5"
    & skf21("2","4","5","3","6","1","7","1") = "6"
    & skf21("2","4","5","3","6","2","1","1") = "5"
    & skf21("2","4","5","3","6","2","2","1") = "5"
    & skf21("2","4","5","3","6","2","3","1") = "5"
    & skf21("2","4","5","3","6","2","4","1") = "5"
    & skf21("2","4","5","3","6","2","5","1") = "5"
    & skf21("2","4","5","3","6","2","6","1") = "5"
    & skf21("2","4","5","3","6","2","7","1") = "6"
    & skf21("2","4","5","3","6","3","1","1") = "5"
    & skf21("2","4","5","3","6","3","2","1") = "5"
    & skf21("2","4","5","3","6","3","3","1") = "5"
    & skf21("2","4","5","3","6","3","4","1") = "5"
    & skf21("2","4","5","3","6","3","5","1") = "5"
    & skf21("2","4","5","3","6","3","6","1") = "5"
    & skf21("2","4","5","3","6","3","7","1") = "6"
    & skf21("2","4","5","3","6","4","1","1") = "5"
    & skf21("2","4","5","3","6","4","2","1") = "5"
    & skf21("2","4","5","3","6","4","3","1") = "5"
    & skf21("2","4","5","3","6","4","4","1") = "5"
    & skf21("2","4","5","3","6","4","5","1") = "5"
    & skf21("2","4","5","3","6","4","6","1") = "5"
    & skf21("2","4","5","3","6","4","7","1") = "6"
    & skf21("2","4","5","3","6","5","1","1") = "5"
    & skf21("2","4","5","3","6","5","2","1") = "5"
    & skf21("2","4","5","3","6","5","3","1") = "5"
    & skf21("2","4","5","3","6","5","4","1") = "5"
    & skf21("2","4","5","3","6","5","5","1") = "5"
    & skf21("2","4","5","3","6","5","6","1") = "5"
    & skf21("2","4","5","3","6","5","7","1") = "6"
    & skf21("2","4","5","3","6","6","1","1") = "5"
    & skf21("2","4","5","3","6","6","2","1") = "5"
    & skf21("2","4","5","3","6","6","3","1") = "5"
    & skf21("2","4","5","3","6","6","4","1") = "5"
    & skf21("2","4","5","3","6","6","5","1") = "5"
    & skf21("2","4","5","3","6","6","6","1") = "5"
    & skf21("2","4","5","3","6","6","7","1") = "6"
    & skf21("2","4","5","3","6","7","1","1") = "6"
    & skf21("2","4","5","3","6","7","2","1") = "6"
    & skf21("2","4","5","3","6","7","3","1") = "6"
    & skf21("2","4","5","3","6","7","4","1") = "6"
    & skf21("2","4","5","3","6","7","5","1") = "6"
    & skf21("2","4","5","3","6","7","6","1") = "6"
    & skf21("2","4","5","3","6","7","7","1") = "6"
    & skf21("2","4","5","3","7","1","1","1") = "6"
    & skf21("2","4","5","3","7","1","2","1") = "6"
    & skf21("2","4","5","3","7","1","3","1") = "6"
    & skf21("2","4","5","3","7","1","4","1") = "6"
    & skf21("2","4","5","3","7","1","5","1") = "6"
    & skf21("2","4","5","3","7","1","6","1") = "6"
    & skf21("2","4","5","3","7","1","7","1") = "6"
    & skf21("2","4","5","3","7","2","1","1") = "6"
    & skf21("2","4","5","3","7","2","2","1") = "6"
    & skf21("2","4","5","3","7","2","3","1") = "6"
    & skf21("2","4","5","3","7","2","4","1") = "6"
    & skf21("2","4","5","3","7","2","5","1") = "6"
    & skf21("2","4","5","3","7","2","6","1") = "6"
    & skf21("2","4","5","3","7","2","7","1") = "6"
    & skf21("2","4","5","3","7","3","1","1") = "6"
    & skf21("2","4","5","3","7","3","2","1") = "6"
    & skf21("2","4","5","3","7","3","3","1") = "6"
    & skf21("2","4","5","3","7","3","4","1") = "6"
    & skf21("2","4","5","3","7","3","5","1") = "6"
    & skf21("2","4","5","3","7","3","6","1") = "6"
    & skf21("2","4","5","3","7","3","7","1") = "6"
    & skf21("2","4","5","3","7","4","1","1") = "6"
    & skf21("2","4","5","3","7","4","2","1") = "6"
    & skf21("2","4","5","3","7","4","3","1") = "6"
    & skf21("2","4","5","3","7","4","4","1") = "6"
    & skf21("2","4","5","3","7","4","5","1") = "6"
    & skf21("2","4","5","3","7","4","6","1") = "6"
    & skf21("2","4","5","3","7","4","7","1") = "6"
    & skf21("2","4","5","3","7","5","1","1") = "6"
    & skf21("2","4","5","3","7","5","2","1") = "6"
    & skf21("2","4","5","3","7","5","3","1") = "6"
    & skf21("2","4","5","3","7","5","4","1") = "6"
    & skf21("2","4","5","3","7","5","5","1") = "6"
    & skf21("2","4","5","3","7","5","6","1") = "6"
    & skf21("2","4","5","3","7","5","7","1") = "6"
    & skf21("2","4","5","3","7","6","1","1") = "6"
    & skf21("2","4","5","3","7","6","2","1") = "6"
    & skf21("2","4","5","3","7","6","3","1") = "6"
    & skf21("2","4","5","3","7","6","4","1") = "6"
    & skf21("2","4","5","3","7","6","5","1") = "6"
    & skf21("2","4","5","3","7","6","6","1") = "6"
    & skf21("2","4","5","3","7","6","7","1") = "6"
    & skf21("2","4","5","3","7","7","1","1") = "6"
    & skf21("2","4","5","3","7","7","2","1") = "6"
    & skf21("2","4","5","3","7","7","3","1") = "6"
    & skf21("2","4","5","3","7","7","4","1") = "6"
    & skf21("2","4","5","3","7","7","5","1") = "6"
    & skf21("2","4","5","3","7","7","6","1") = "6"
    & skf21("2","4","5","3","7","7","7","1") = "6"
    & skf21("2","4","5","4","1","1","1","1") = "4"
    & skf21("2","4","5","4","1","1","2","1") = "4"
    & skf21("2","4","5","4","1","1","3","1") = "4"
    & skf21("2","4","5","4","1","1","4","1") = "4"
    & skf21("2","4","5","4","1","1","5","1") = "4"
    & skf21("2","4","5","4","1","1","6","1") = "5"
    & skf21("2","4","5","4","1","1","7","1") = "6"
    & skf21("2","4","5","4","1","2","1","1") = "4"
    & skf21("2","4","5","4","1","2","2","1") = "4"
    & skf21("2","4","5","4","1","2","3","1") = "4"
    & skf21("2","4","5","4","1","2","4","1") = "4"
    & skf21("2","4","5","4","1","2","5","1") = "4"
    & skf21("2","4","5","4","1","2","6","1") = "5"
    & skf21("2","4","5","4","1","2","7","1") = "6"
    & skf21("2","4","5","4","1","3","1","1") = "4"
    & skf21("2","4","5","4","1","3","2","1") = "4"
    & skf21("2","4","5","4","1","3","3","1") = "4"
    & skf21("2","4","5","4","1","3","4","1") = "4"
    & skf21("2","4","5","4","1","3","5","1") = "4"
    & skf21("2","4","5","4","1","3","6","1") = "5"
    & skf21("2","4","5","4","1","3","7","1") = "6"
    & skf21("2","4","5","4","1","4","1","1") = "4"
    & skf21("2","4","5","4","1","4","2","1") = "4"
    & skf21("2","4","5","4","1","4","3","1") = "4"
    & skf21("2","4","5","4","1","4","4","1") = "4"
    & skf21("2","4","5","4","1","4","5","1") = "4"
    & skf21("2","4","5","4","1","4","6","1") = "5"
    & skf21("2","4","5","4","1","4","7","1") = "6"
    & skf21("2","4","5","4","1","5","1","1") = "4"
    & skf21("2","4","5","4","1","5","2","1") = "4"
    & skf21("2","4","5","4","1","5","3","1") = "4"
    & skf21("2","4","5","4","1","5","4","1") = "4"
    & skf21("2","4","5","4","1","5","5","1") = "4"
    & skf21("2","4","5","4","1","5","6","1") = "5"
    & skf21("2","4","5","4","1","5","7","1") = "6"
    & skf21("2","4","5","4","1","6","1","1") = "5"
    & skf21("2","4","5","4","1","6","2","1") = "5"
    & skf21("2","4","5","4","1","6","3","1") = "5"
    & skf21("2","4","5","4","1","6","4","1") = "5"
    & skf21("2","4","5","4","1","6","5","1") = "5"
    & skf21("2","4","5","4","1","6","6","1") = "5"
    & skf21("2","4","5","4","1","6","7","1") = "6"
    & skf21("2","4","5","4","1","7","1","1") = "6"
    & skf21("2","4","5","4","1","7","2","1") = "6"
    & skf21("2","4","5","4","1","7","3","1") = "6"
    & skf21("2","4","5","4","1","7","4","1") = "6"
    & skf21("2","4","5","4","1","7","5","1") = "6"
    & skf21("2","4","5","4","1","7","6","1") = "6"
    & skf21("2","4","5","4","1","7","7","1") = "6"
    & skf21("2","4","5","4","2","1","1","1") = "4"
    & skf21("2","4","5","4","2","1","2","1") = "4"
    & skf21("2","4","5","4","2","1","3","1") = "4"
    & skf21("2","4","5","4","2","1","4","1") = "4"
    & skf21("2","4","5","4","2","1","5","1") = "4"
    & skf21("2","4","5","4","2","1","6","1") = "5"
    & skf21("2","4","5","4","2","1","7","1") = "6"
    & skf21("2","4","5","4","2","2","1","1") = "4"
    & skf21("2","4","5","4","2","2","2","1") = "4"
    & skf21("2","4","5","4","2","2","3","1") = "4"
    & skf21("2","4","5","4","2","2","4","1") = "4"
    & skf21("2","4","5","4","2","2","5","1") = "4"
    & skf21("2","4","5","4","2","2","6","1") = "5"
    & skf21("2","4","5","4","2","2","7","1") = "6"
    & skf21("2","4","5","4","2","3","1","1") = "4"
    & skf21("2","4","5","4","2","3","2","1") = "4"
    & skf21("2","4","5","4","2","3","3","1") = "4"
    & skf21("2","4","5","4","2","3","4","1") = "4"
    & skf21("2","4","5","4","2","3","5","1") = "4"
    & skf21("2","4","5","4","2","3","6","1") = "5"
    & skf21("2","4","5","4","2","3","7","1") = "6"
    & skf21("2","4","5","4","2","4","1","1") = "4"
    & skf21("2","4","5","4","2","4","2","1") = "4"
    & skf21("2","4","5","4","2","4","3","1") = "4"
    & skf21("2","4","5","4","2","4","4","1") = "4"
    & skf21("2","4","5","4","2","4","5","1") = "4"
    & skf21("2","4","5","4","2","4","6","1") = "5"
    & skf21("2","4","5","4","2","4","7","1") = "6"
    & skf21("2","4","5","4","2","5","1","1") = "4"
    & skf21("2","4","5","4","2","5","2","1") = "4"
    & skf21("2","4","5","4","2","5","3","1") = "4"
    & skf21("2","4","5","4","2","5","4","1") = "4"
    & skf21("2","4","5","4","2","5","5","1") = "4"
    & skf21("2","4","5","4","2","5","6","1") = "5"
    & skf21("2","4","5","4","2","5","7","1") = "6"
    & skf21("2","4","5","4","2","6","1","1") = "5"
    & skf21("2","4","5","4","2","6","2","1") = "5"
    & skf21("2","4","5","4","2","6","3","1") = "5"
    & skf21("2","4","5","4","2","6","4","1") = "5"
    & skf21("2","4","5","4","2","6","5","1") = "5"
    & skf21("2","4","5","4","2","6","6","1") = "5"
    & skf21("2","4","5","4","2","6","7","1") = "6"
    & skf21("2","4","5","4","2","7","1","1") = "6"
    & skf21("2","4","5","4","2","7","2","1") = "6"
    & skf21("2","4","5","4","2","7","3","1") = "6"
    & skf21("2","4","5","4","2","7","4","1") = "6"
    & skf21("2","4","5","4","2","7","5","1") = "6"
    & skf21("2","4","5","4","2","7","6","1") = "6"
    & skf21("2","4","5","4","2","7","7","1") = "6"
    & skf21("2","4","5","4","3","1","1","1") = "4"
    & skf21("2","4","5","4","3","1","2","1") = "4"
    & skf21("2","4","5","4","3","1","3","1") = "4"
    & skf21("2","4","5","4","3","1","4","1") = "4"
    & skf21("2","4","5","4","3","1","5","1") = "4"
    & skf21("2","4","5","4","3","1","6","1") = "5"
    & skf21("2","4","5","4","3","1","7","1") = "6"
    & skf21("2","4","5","4","3","2","1","1") = "4"
    & skf21("2","4","5","4","3","2","2","1") = "4"
    & skf21("2","4","5","4","3","2","3","1") = "4"
    & skf21("2","4","5","4","3","2","4","1") = "4"
    & skf21("2","4","5","4","3","2","5","1") = "4"
    & skf21("2","4","5","4","3","2","6","1") = "5"
    & skf21("2","4","5","4","3","2","7","1") = "6"
    & skf21("2","4","5","4","3","3","1","1") = "4"
    & skf21("2","4","5","4","3","3","2","1") = "4"
    & skf21("2","4","5","4","3","3","3","1") = "4"
    & skf21("2","4","5","4","3","3","4","1") = "4"
    & skf21("2","4","5","4","3","3","5","1") = "4"
    & skf21("2","4","5","4","3","3","6","1") = "5"
    & skf21("2","4","5","4","3","3","7","1") = "6"
    & skf21("2","4","5","4","3","4","1","1") = "4"
    & skf21("2","4","5","4","3","4","2","1") = "4"
    & skf21("2","4","5","4","3","4","3","1") = "4"
    & skf21("2","4","5","4","3","4","4","1") = "4"
    & skf21("2","4","5","4","3","4","5","1") = "4"
    & skf21("2","4","5","4","3","4","6","1") = "5"
    & skf21("2","4","5","4","3","4","7","1") = "6"
    & skf21("2","4","5","4","3","5","1","1") = "4"
    & skf21("2","4","5","4","3","5","2","1") = "4"
    & skf21("2","4","5","4","3","5","3","1") = "4"
    & skf21("2","4","5","4","3","5","4","1") = "4"
    & skf21("2","4","5","4","3","5","5","1") = "4"
    & skf21("2","4","5","4","3","5","6","1") = "5"
    & skf21("2","4","5","4","3","5","7","1") = "6"
    & skf21("2","4","5","4","3","6","1","1") = "5"
    & skf21("2","4","5","4","3","6","2","1") = "5"
    & skf21("2","4","5","4","3","6","3","1") = "5"
    & skf21("2","4","5","4","3","6","4","1") = "5"
    & skf21("2","4","5","4","3","6","5","1") = "5"
    & skf21("2","4","5","4","3","6","6","1") = "5"
    & skf21("2","4","5","4","3","6","7","1") = "6"
    & skf21("2","4","5","4","3","7","1","1") = "6"
    & skf21("2","4","5","4","3","7","2","1") = "6"
    & skf21("2","4","5","4","3","7","3","1") = "6"
    & skf21("2","4","5","4","3","7","4","1") = "6"
    & skf21("2","4","5","4","3","7","5","1") = "6"
    & skf21("2","4","5","4","3","7","6","1") = "6"
    & skf21("2","4","5","4","3","7","7","1") = "6"
    & skf21("2","4","5","4","4","1","1","1") = "4"
    & skf21("2","4","5","4","4","1","2","1") = "4"
    & skf21("2","4","5","4","4","1","3","1") = "4"
    & skf21("2","4","5","4","4","1","4","1") = "4"
    & skf21("2","4","5","4","4","1","5","1") = "4"
    & skf21("2","4","5","4","4","1","6","1") = "5"
    & skf21("2","4","5","4","4","1","7","1") = "6"
    & skf21("2","4","5","4","4","2","1","1") = "4"
    & skf21("2","4","5","4","4","2","2","1") = "4"
    & skf21("2","4","5","4","4","2","3","1") = "4"
    & skf21("2","4","5","4","4","2","4","1") = "4"
    & skf21("2","4","5","4","4","2","5","1") = "4"
    & skf21("2","4","5","4","4","2","6","1") = "5"
    & skf21("2","4","5","4","4","2","7","1") = "6"
    & skf21("2","4","5","4","4","3","1","1") = "4"
    & skf21("2","4","5","4","4","3","2","1") = "4"
    & skf21("2","4","5","4","4","3","3","1") = "4"
    & skf21("2","4","5","4","4","3","4","1") = "4"
    & skf21("2","4","5","4","4","3","5","1") = "4"
    & skf21("2","4","5","4","4","3","6","1") = "5"
    & skf21("2","4","5","4","4","3","7","1") = "6"
    & skf21("2","4","5","4","4","4","1","1") = "4"
    & skf21("2","4","5","4","4","4","2","1") = "4"
    & skf21("2","4","5","4","4","4","3","1") = "4"
    & skf21("2","4","5","4","4","4","4","1") = "4"
    & skf21("2","4","5","4","4","4","5","1") = "4"
    & skf21("2","4","5","4","4","4","6","1") = "5"
    & skf21("2","4","5","4","4","4","7","1") = "6"
    & skf21("2","4","5","4","4","5","1","1") = "4"
    & skf21("2","4","5","4","4","5","2","1") = "4"
    & skf21("2","4","5","4","4","5","3","1") = "4"
    & skf21("2","4","5","4","4","5","4","1") = "4"
    & skf21("2","4","5","4","4","5","5","1") = "4"
    & skf21("2","4","5","4","4","5","6","1") = "5"
    & skf21("2","4","5","4","4","5","7","1") = "6"
    & skf21("2","4","5","4","4","6","1","1") = "5"
    & skf21("2","4","5","4","4","6","2","1") = "5"
    & skf21("2","4","5","4","4","6","3","1") = "5"
    & skf21("2","4","5","4","4","6","4","1") = "5"
    & skf21("2","4","5","4","4","6","5","1") = "5"
    & skf21("2","4","5","4","4","6","6","1") = "5"
    & skf21("2","4","5","4","4","6","7","1") = "6"
    & skf21("2","4","5","4","4","7","1","1") = "6"
    & skf21("2","4","5","4","4","7","2","1") = "6"
    & skf21("2","4","5","4","4","7","3","1") = "6"
    & skf21("2","4","5","4","4","7","4","1") = "6"
    & skf21("2","4","5","4","4","7","5","1") = "6"
    & skf21("2","4","5","4","4","7","6","1") = "6"
    & skf21("2","4","5","4","4","7","7","1") = "6"
    & skf21("2","4","5","4","5","1","1","1") = "4"
    & skf21("2","4","5","4","5","1","2","1") = "4"
    & skf21("2","4","5","4","5","1","3","1") = "4"
    & skf21("2","4","5","4","5","1","4","1") = "4"
    & skf21("2","4","5","4","5","1","5","1") = "4"
    & skf21("2","4","5","4","5","1","6","1") = "5"
    & skf21("2","4","5","4","5","1","7","1") = "6"
    & skf21("2","4","5","4","5","2","1","1") = "4"
    & skf21("2","4","5","4","5","2","2","1") = "4"
    & skf21("2","4","5","4","5","2","3","1") = "4"
    & skf21("2","4","5","4","5","2","4","1") = "4"
    & skf21("2","4","5","4","5","2","5","1") = "4"
    & skf21("2","4","5","4","5","2","6","1") = "5"
    & skf21("2","4","5","4","5","2","7","1") = "6"
    & skf21("2","4","5","4","5","3","1","1") = "4"
    & skf21("2","4","5","4","5","3","2","1") = "4"
    & skf21("2","4","5","4","5","3","3","1") = "4"
    & skf21("2","4","5","4","5","3","4","1") = "4"
    & skf21("2","4","5","4","5","3","5","1") = "4"
    & skf21("2","4","5","4","5","3","6","1") = "5"
    & skf21("2","4","5","4","5","3","7","1") = "6"
    & skf21("2","4","5","4","5","4","1","1") = "4"
    & skf21("2","4","5","4","5","4","2","1") = "4"
    & skf21("2","4","5","4","5","4","3","1") = "4"
    & skf21("2","4","5","4","5","4","4","1") = "4"
    & skf21("2","4","5","4","5","4","5","1") = "4"
    & skf21("2","4","5","4","5","4","6","1") = "5"
    & skf21("2","4","5","4","5","4","7","1") = "6"
    & skf21("2","4","5","4","5","5","1","1") = "4"
    & skf21("2","4","5","4","5","5","2","1") = "4"
    & skf21("2","4","5","4","5","5","3","1") = "4"
    & skf21("2","4","5","4","5","5","4","1") = "4"
    & skf21("2","4","5","4","5","5","5","1") = "4"
    & skf21("2","4","5","4","5","5","6","1") = "5"
    & skf21("2","4","5","4","5","5","7","1") = "6"
    & skf21("2","4","5","4","5","6","1","1") = "5"
    & skf21("2","4","5","4","5","6","2","1") = "5"
    & skf21("2","4","5","4","5","6","3","1") = "5"
    & skf21("2","4","5","4","5","6","4","1") = "5"
    & skf21("2","4","5","4","5","6","5","1") = "5"
    & skf21("2","4","5","4","5","6","6","1") = "5"
    & skf21("2","4","5","4","5","6","7","1") = "6"
    & skf21("2","4","5","4","5","7","1","1") = "6"
    & skf21("2","4","5","4","5","7","2","1") = "6"
    & skf21("2","4","5","4","5","7","3","1") = "6"
    & skf21("2","4","5","4","5","7","4","1") = "6"
    & skf21("2","4","5","4","5","7","5","1") = "6"
    & skf21("2","4","5","4","5","7","6","1") = "6"
    & skf21("2","4","5","4","5","7","7","1") = "6"
    & skf21("2","4","5","4","6","1","1","1") = "5"
    & skf21("2","4","5","4","6","1","2","1") = "5"
    & skf21("2","4","5","4","6","1","3","1") = "5"
    & skf21("2","4","5","4","6","1","4","1") = "5"
    & skf21("2","4","5","4","6","1","5","1") = "5"
    & skf21("2","4","5","4","6","1","6","1") = "5"
    & skf21("2","4","5","4","6","1","7","1") = "6"
    & skf21("2","4","5","4","6","2","1","1") = "5"
    & skf21("2","4","5","4","6","2","2","1") = "5"
    & skf21("2","4","5","4","6","2","3","1") = "5"
    & skf21("2","4","5","4","6","2","4","1") = "5"
    & skf21("2","4","5","4","6","2","5","1") = "5"
    & skf21("2","4","5","4","6","2","6","1") = "5"
    & skf21("2","4","5","4","6","2","7","1") = "6"
    & skf21("2","4","5","4","6","3","1","1") = "5"
    & skf21("2","4","5","4","6","3","2","1") = "5"
    & skf21("2","4","5","4","6","3","3","1") = "5"
    & skf21("2","4","5","4","6","3","4","1") = "5"
    & skf21("2","4","5","4","6","3","5","1") = "5"
    & skf21("2","4","5","4","6","3","6","1") = "5"
    & skf21("2","4","5","4","6","3","7","1") = "6"
    & skf21("2","4","5","4","6","4","1","1") = "5"
    & skf21("2","4","5","4","6","4","2","1") = "5"
    & skf21("2","4","5","4","6","4","3","1") = "5"
    & skf21("2","4","5","4","6","4","4","1") = "5"
    & skf21("2","4","5","4","6","4","5","1") = "5"
    & skf21("2","4","5","4","6","4","6","1") = "5"
    & skf21("2","4","5","4","6","4","7","1") = "6"
    & skf21("2","4","5","4","6","5","1","1") = "5"
    & skf21("2","4","5","4","6","5","2","1") = "5"
    & skf21("2","4","5","4","6","5","3","1") = "5"
    & skf21("2","4","5","4","6","5","4","1") = "5"
    & skf21("2","4","5","4","6","5","5","1") = "5"
    & skf21("2","4","5","4","6","5","6","1") = "5"
    & skf21("2","4","5","4","6","5","7","1") = "6"
    & skf21("2","4","5","4","6","6","1","1") = "5"
    & skf21("2","4","5","4","6","6","2","1") = "5"
    & skf21("2","4","5","4","6","6","3","1") = "5"
    & skf21("2","4","5","4","6","6","4","1") = "5"
    & skf21("2","4","5","4","6","6","5","1") = "5"
    & skf21("2","4","5","4","6","6","6","1") = "5"
    & skf21("2","4","5","4","6","6","7","1") = "6"
    & skf21("2","4","5","4","6","7","1","1") = "6"
    & skf21("2","4","5","4","6","7","2","1") = "6"
    & skf21("2","4","5","4","6","7","3","1") = "6"
    & skf21("2","4","5","4","6","7","4","1") = "6"
    & skf21("2","4","5","4","6","7","5","1") = "6"
    & skf21("2","4","5","4","6","7","6","1") = "6"
    & skf21("2","4","5","4","6","7","7","1") = "6"
    & skf21("2","4","5","4","7","1","1","1") = "6"
    & skf21("2","4","5","4","7","1","2","1") = "6"
    & skf21("2","4","5","4","7","1","3","1") = "6"
    & skf21("2","4","5","4","7","1","4","1") = "6"
    & skf21("2","4","5","4","7","1","5","1") = "6"
    & skf21("2","4","5","4","7","1","6","1") = "6"
    & skf21("2","4","5","4","7","1","7","1") = "6"
    & skf21("2","4","5","4","7","2","1","1") = "6"
    & skf21("2","4","5","4","7","2","2","1") = "6"
    & skf21("2","4","5","4","7","2","3","1") = "6"
    & skf21("2","4","5","4","7","2","4","1") = "6"
    & skf21("2","4","5","4","7","2","5","1") = "6"
    & skf21("2","4","5","4","7","2","6","1") = "6"
    & skf21("2","4","5","4","7","2","7","1") = "6"
    & skf21("2","4","5","4","7","3","1","1") = "6"
    & skf21("2","4","5","4","7","3","2","1") = "6"
    & skf21("2","4","5","4","7","3","3","1") = "6"
    & skf21("2","4","5","4","7","3","4","1") = "6"
    & skf21("2","4","5","4","7","3","5","1") = "6"
    & skf21("2","4","5","4","7","3","6","1") = "6"
    & skf21("2","4","5","4","7","3","7","1") = "6"
    & skf21("2","4","5","4","7","4","1","1") = "6"
    & skf21("2","4","5","4","7","4","2","1") = "6"
    & skf21("2","4","5","4","7","4","3","1") = "6"
    & skf21("2","4","5","4","7","4","4","1") = "6"
    & skf21("2","4","5","4","7","4","5","1") = "6"
    & skf21("2","4","5","4","7","4","6","1") = "6"
    & skf21("2","4","5","4","7","4","7","1") = "6"
    & skf21("2","4","5","4","7","5","1","1") = "6"
    & skf21("2","4","5","4","7","5","2","1") = "6"
    & skf21("2","4","5","4","7","5","3","1") = "6"
    & skf21("2","4","5","4","7","5","4","1") = "6"
    & skf21("2","4","5","4","7","5","5","1") = "6"
    & skf21("2","4","5","4","7","5","6","1") = "6"
    & skf21("2","4","5","4","7","5","7","1") = "6"
    & skf21("2","4","5","4","7","6","1","1") = "6"
    & skf21("2","4","5","4","7","6","2","1") = "6"
    & skf21("2","4","5","4","7","6","3","1") = "6"
    & skf21("2","4","5","4","7","6","4","1") = "6"
    & skf21("2","4","5","4","7","6","5","1") = "6"
    & skf21("2","4","5","4","7","6","6","1") = "6"
    & skf21("2","4","5","4","7","6","7","1") = "6"
    & skf21("2","4","5","4","7","7","1","1") = "6"
    & skf21("2","4","5","4","7","7","2","1") = "6"
    & skf21("2","4","5","4","7","7","3","1") = "6"
    & skf21("2","4","5","4","7","7","4","1") = "6"
    & skf21("2","4","5","4","7","7","5","1") = "6"
    & skf21("2","4","5","4","7","7","6","1") = "6"
    & skf21("2","4","5","4","7","7","7","1") = "6"
    & skf21("2","4","5","5","1","1","1","1") = "4"
    & skf21("2","4","5","5","1","1","2","1") = "4"
    & skf21("2","4","5","5","1","1","3","1") = "4"
    & skf21("2","4","5","5","1","1","4","1") = "4"
    & skf21("2","4","5","5","1","1","5","1") = "4"
    & skf21("2","4","5","5","1","1","6","1") = "5"
    & skf21("2","4","5","5","1","1","7","1") = "6"
    & skf21("2","4","5","5","1","2","1","1") = "4"
    & skf21("2","4","5","5","1","2","2","1") = "4"
    & skf21("2","4","5","5","1","2","3","1") = "4"
    & skf21("2","4","5","5","1","2","4","1") = "4"
    & skf21("2","4","5","5","1","2","5","1") = "4"
    & skf21("2","4","5","5","1","2","6","1") = "5"
    & skf21("2","4","5","5","1","2","7","1") = "6"
    & skf21("2","4","5","5","1","3","1","1") = "4"
    & skf21("2","4","5","5","1","3","2","1") = "4"
    & skf21("2","4","5","5","1","3","3","1") = "4"
    & skf21("2","4","5","5","1","3","4","1") = "4"
    & skf21("2","4","5","5","1","3","5","1") = "4"
    & skf21("2","4","5","5","1","3","6","1") = "5"
    & skf21("2","4","5","5","1","3","7","1") = "6"
    & skf21("2","4","5","5","1","4","1","1") = "4"
    & skf21("2","4","5","5","1","4","2","1") = "4"
    & skf21("2","4","5","5","1","4","3","1") = "4"
    & skf21("2","4","5","5","1","4","4","1") = "4"
    & skf21("2","4","5","5","1","4","5","1") = "4"
    & skf21("2","4","5","5","1","4","6","1") = "5"
    & skf21("2","4","5","5","1","4","7","1") = "6"
    & skf21("2","4","5","5","1","5","1","1") = "4"
    & skf21("2","4","5","5","1","5","2","1") = "4"
    & skf21("2","4","5","5","1","5","3","1") = "4"
    & skf21("2","4","5","5","1","5","4","1") = "4"
    & skf21("2","4","5","5","1","5","5","1") = "4"
    & skf21("2","4","5","5","1","5","6","1") = "5"
    & skf21("2","4","5","5","1","5","7","1") = "6"
    & skf21("2","4","5","5","1","6","1","1") = "5"
    & skf21("2","4","5","5","1","6","2","1") = "5"
    & skf21("2","4","5","5","1","6","3","1") = "5"
    & skf21("2","4","5","5","1","6","4","1") = "5"
    & skf21("2","4","5","5","1","6","5","1") = "5"
    & skf21("2","4","5","5","1","6","6","1") = "5"
    & skf21("2","4","5","5","1","6","7","1") = "6"
    & skf21("2","4","5","5","1","7","1","1") = "6"
    & skf21("2","4","5","5","1","7","2","1") = "6"
    & skf21("2","4","5","5","1","7","3","1") = "6"
    & skf21("2","4","5","5","1","7","4","1") = "6"
    & skf21("2","4","5","5","1","7","5","1") = "6"
    & skf21("2","4","5","5","1","7","6","1") = "6"
    & skf21("2","4","5","5","1","7","7","1") = "6"
    & skf21("2","4","5","5","2","1","1","1") = "4"
    & skf21("2","4","5","5","2","1","2","1") = "4"
    & skf21("2","4","5","5","2","1","3","1") = "4"
    & skf21("2","4","5","5","2","1","4","1") = "4"
    & skf21("2","4","5","5","2","1","5","1") = "4"
    & skf21("2","4","5","5","2","1","6","1") = "5"
    & skf21("2","4","5","5","2","1","7","1") = "6"
    & skf21("2","4","5","5","2","2","1","1") = "4"
    & skf21("2","4","5","5","2","2","2","1") = "4"
    & skf21("2","4","5","5","2","2","3","1") = "4"
    & skf21("2","4","5","5","2","2","4","1") = "4"
    & skf21("2","4","5","5","2","2","5","1") = "4"
    & skf21("2","4","5","5","2","2","6","1") = "5"
    & skf21("2","4","5","5","2","2","7","1") = "6"
    & skf21("2","4","5","5","2","3","1","1") = "4"
    & skf21("2","4","5","5","2","3","2","1") = "4"
    & skf21("2","4","5","5","2","3","3","1") = "4"
    & skf21("2","4","5","5","2","3","4","1") = "4"
    & skf21("2","4","5","5","2","3","5","1") = "4"
    & skf21("2","4","5","5","2","3","6","1") = "5"
    & skf21("2","4","5","5","2","3","7","1") = "6"
    & skf21("2","4","5","5","2","4","1","1") = "4"
    & skf21("2","4","5","5","2","4","2","1") = "4"
    & skf21("2","4","5","5","2","4","3","1") = "4"
    & skf21("2","4","5","5","2","4","4","1") = "4"
    & skf21("2","4","5","5","2","4","5","1") = "4"
    & skf21("2","4","5","5","2","4","6","1") = "5"
    & skf21("2","4","5","5","2","4","7","1") = "6"
    & skf21("2","4","5","5","2","5","1","1") = "4"
    & skf21("2","4","5","5","2","5","2","1") = "4"
    & skf21("2","4","5","5","2","5","3","1") = "4"
    & skf21("2","4","5","5","2","5","4","1") = "4"
    & skf21("2","4","5","5","2","5","5","1") = "4"
    & skf21("2","4","5","5","2","5","6","1") = "5"
    & skf21("2","4","5","5","2","5","7","1") = "6"
    & skf21("2","4","5","5","2","6","1","1") = "5"
    & skf21("2","4","5","5","2","6","2","1") = "5"
    & skf21("2","4","5","5","2","6","3","1") = "5"
    & skf21("2","4","5","5","2","6","4","1") = "5"
    & skf21("2","4","5","5","2","6","5","1") = "5"
    & skf21("2","4","5","5","2","6","6","1") = "5"
    & skf21("2","4","5","5","2","6","7","1") = "6"
    & skf21("2","4","5","5","2","7","1","1") = "6"
    & skf21("2","4","5","5","2","7","2","1") = "6"
    & skf21("2","4","5","5","2","7","3","1") = "6"
    & skf21("2","4","5","5","2","7","4","1") = "6"
    & skf21("2","4","5","5","2","7","5","1") = "6"
    & skf21("2","4","5","5","2","7","6","1") = "6"
    & skf21("2","4","5","5","2","7","7","1") = "6"
    & skf21("2","4","5","5","3","1","1","1") = "4"
    & skf21("2","4","5","5","3","1","2","1") = "4"
    & skf21("2","4","5","5","3","1","3","1") = "4"
    & skf21("2","4","5","5","3","1","4","1") = "4"
    & skf21("2","4","5","5","3","1","5","1") = "4"
    & skf21("2","4","5","5","3","1","6","1") = "5"
    & skf21("2","4","5","5","3","1","7","1") = "6"
    & skf21("2","4","5","5","3","2","1","1") = "4"
    & skf21("2","4","5","5","3","2","2","1") = "4"
    & skf21("2","4","5","5","3","2","3","1") = "4"
    & skf21("2","4","5","5","3","2","4","1") = "4"
    & skf21("2","4","5","5","3","2","5","1") = "4"
    & skf21("2","4","5","5","3","2","6","1") = "5"
    & skf21("2","4","5","5","3","2","7","1") = "6"
    & skf21("2","4","5","5","3","3","1","1") = "4"
    & skf21("2","4","5","5","3","3","2","1") = "4"
    & skf21("2","4","5","5","3","3","3","1") = "4"
    & skf21("2","4","5","5","3","3","4","1") = "4"
    & skf21("2","4","5","5","3","3","5","1") = "4"
    & skf21("2","4","5","5","3","3","6","1") = "5"
    & skf21("2","4","5","5","3","3","7","1") = "6"
    & skf21("2","4","5","5","3","4","1","1") = "4"
    & skf21("2","4","5","5","3","4","2","1") = "4"
    & skf21("2","4","5","5","3","4","3","1") = "4"
    & skf21("2","4","5","5","3","4","4","1") = "4"
    & skf21("2","4","5","5","3","4","5","1") = "4"
    & skf21("2","4","5","5","3","4","6","1") = "5"
    & skf21("2","4","5","5","3","4","7","1") = "6"
    & skf21("2","4","5","5","3","5","1","1") = "4"
    & skf21("2","4","5","5","3","5","2","1") = "4"
    & skf21("2","4","5","5","3","5","3","1") = "4"
    & skf21("2","4","5","5","3","5","4","1") = "4"
    & skf21("2","4","5","5","3","5","5","1") = "4"
    & skf21("2","4","5","5","3","5","6","1") = "5"
    & skf21("2","4","5","5","3","5","7","1") = "6"
    & skf21("2","4","5","5","3","6","1","1") = "5"
    & skf21("2","4","5","5","3","6","2","1") = "5"
    & skf21("2","4","5","5","3","6","3","1") = "5"
    & skf21("2","4","5","5","3","6","4","1") = "5"
    & skf21("2","4","5","5","3","6","5","1") = "5"
    & skf21("2","4","5","5","3","6","6","1") = "5"
    & skf21("2","4","5","5","3","6","7","1") = "6"
    & skf21("2","4","5","5","3","7","1","1") = "6"
    & skf21("2","4","5","5","3","7","2","1") = "6"
    & skf21("2","4","5","5","3","7","3","1") = "6"
    & skf21("2","4","5","5","3","7","4","1") = "6"
    & skf21("2","4","5","5","3","7","5","1") = "6"
    & skf21("2","4","5","5","3","7","6","1") = "6"
    & skf21("2","4","5","5","3","7","7","1") = "6"
    & skf21("2","4","5","5","4","1","1","1") = "4"
    & skf21("2","4","5","5","4","1","2","1") = "4"
    & skf21("2","4","5","5","4","1","3","1") = "4"
    & skf21("2","4","5","5","4","1","4","1") = "4"
    & skf21("2","4","5","5","4","1","5","1") = "4"
    & skf21("2","4","5","5","4","1","6","1") = "5"
    & skf21("2","4","5","5","4","1","7","1") = "6"
    & skf21("2","4","5","5","4","2","1","1") = "4"
    & skf21("2","4","5","5","4","2","2","1") = "4"
    & skf21("2","4","5","5","4","2","3","1") = "4"
    & skf21("2","4","5","5","4","2","4","1") = "4"
    & skf21("2","4","5","5","4","2","5","1") = "4"
    & skf21("2","4","5","5","4","2","6","1") = "5"
    & skf21("2","4","5","5","4","2","7","1") = "6"
    & skf21("2","4","5","5","4","3","1","1") = "4"
    & skf21("2","4","5","5","4","3","2","1") = "4"
    & skf21("2","4","5","5","4","3","3","1") = "4"
    & skf21("2","4","5","5","4","3","4","1") = "4"
    & skf21("2","4","5","5","4","3","5","1") = "4"
    & skf21("2","4","5","5","4","3","6","1") = "5"
    & skf21("2","4","5","5","4","3","7","1") = "6"
    & skf21("2","4","5","5","4","4","1","1") = "4"
    & skf21("2","4","5","5","4","4","2","1") = "4"
    & skf21("2","4","5","5","4","4","3","1") = "4"
    & skf21("2","4","5","5","4","4","4","1") = "4"
    & skf21("2","4","5","5","4","4","5","1") = "4"
    & skf21("2","4","5","5","4","4","6","1") = "5"
    & skf21("2","4","5","5","4","4","7","1") = "6"
    & skf21("2","4","5","5","4","5","1","1") = "4"
    & skf21("2","4","5","5","4","5","2","1") = "4"
    & skf21("2","4","5","5","4","5","3","1") = "4"
    & skf21("2","4","5","5","4","5","4","1") = "4"
    & skf21("2","4","5","5","4","5","5","1") = "4"
    & skf21("2","4","5","5","4","5","6","1") = "5"
    & skf21("2","4","5","5","4","5","7","1") = "6"
    & skf21("2","4","5","5","4","6","1","1") = "5"
    & skf21("2","4","5","5","4","6","2","1") = "5"
    & skf21("2","4","5","5","4","6","3","1") = "5"
    & skf21("2","4","5","5","4","6","4","1") = "5"
    & skf21("2","4","5","5","4","6","5","1") = "5"
    & skf21("2","4","5","5","4","6","6","1") = "5"
    & skf21("2","4","5","5","4","6","7","1") = "6"
    & skf21("2","4","5","5","4","7","1","1") = "6"
    & skf21("2","4","5","5","4","7","2","1") = "6"
    & skf21("2","4","5","5","4","7","3","1") = "6"
    & skf21("2","4","5","5","4","7","4","1") = "6"
    & skf21("2","4","5","5","4","7","5","1") = "6"
    & skf21("2","4","5","5","4","7","6","1") = "6"
    & skf21("2","4","5","5","4","7","7","1") = "6"
    & skf21("2","4","5","5","5","1","1","1") = "4"
    & skf21("2","4","5","5","5","1","2","1") = "4"
    & skf21("2","4","5","5","5","1","3","1") = "4"
    & skf21("2","4","5","5","5","1","4","1") = "4"
    & skf21("2","4","5","5","5","1","5","1") = "4"
    & skf21("2","4","5","5","5","1","6","1") = "5"
    & skf21("2","4","5","5","5","1","7","1") = "6"
    & skf21("2","4","5","5","5","2","1","1") = "4"
    & skf21("2","4","5","5","5","2","2","1") = "4"
    & skf21("2","4","5","5","5","2","3","1") = "4"
    & skf21("2","4","5","5","5","2","4","1") = "4"
    & skf21("2","4","5","5","5","2","5","1") = "4"
    & skf21("2","4","5","5","5","2","6","1") = "5"
    & skf21("2","4","5","5","5","2","7","1") = "6"
    & skf21("2","4","5","5","5","3","1","1") = "4"
    & skf21("2","4","5","5","5","3","2","1") = "4"
    & skf21("2","4","5","5","5","3","3","1") = "4"
    & skf21("2","4","5","5","5","3","4","1") = "4"
    & skf21("2","4","5","5","5","3","5","1") = "4"
    & skf21("2","4","5","5","5","3","6","1") = "5"
    & skf21("2","4","5","5","5","3","7","1") = "6"
    & skf21("2","4","5","5","5","4","1","1") = "4"
    & skf21("2","4","5","5","5","4","2","1") = "4"
    & skf21("2","4","5","5","5","4","3","1") = "4"
    & skf21("2","4","5","5","5","4","4","1") = "4"
    & skf21("2","4","5","5","5","4","5","1") = "4"
    & skf21("2","4","5","5","5","4","6","1") = "5"
    & skf21("2","4","5","5","5","4","7","1") = "6"
    & skf21("2","4","5","5","5","5","1","1") = "4"
    & skf21("2","4","5","5","5","5","2","1") = "4"
    & skf21("2","4","5","5","5","5","3","1") = "4"
    & skf21("2","4","5","5","5","5","4","1") = "4"
    & skf21("2","4","5","5","5","5","5","1") = "4"
    & skf21("2","4","5","5","5","5","6","1") = "5"
    & skf21("2","4","5","5","5","5","7","1") = "6"
    & skf21("2","4","5","5","5","6","1","1") = "5"
    & skf21("2","4","5","5","5","6","2","1") = "5"
    & skf21("2","4","5","5","5","6","3","1") = "5"
    & skf21("2","4","5","5","5","6","4","1") = "5"
    & skf21("2","4","5","5","5","6","5","1") = "5"
    & skf21("2","4","5","5","5","6","6","1") = "5"
    & skf21("2","4","5","5","5","6","7","1") = "6"
    & skf21("2","4","5","5","5","7","1","1") = "6"
    & skf21("2","4","5","5","5","7","2","1") = "6"
    & skf21("2","4","5","5","5","7","3","1") = "6"
    & skf21("2","4","5","5","5","7","4","1") = "6"
    & skf21("2","4","5","5","5","7","5","1") = "6"
    & skf21("2","4","5","5","5","7","6","1") = "6"
    & skf21("2","4","5","5","5","7","7","1") = "6"
    & skf21("2","4","5","5","6","1","1","1") = "5"
    & skf21("2","4","5","5","6","1","2","1") = "5"
    & skf21("2","4","5","5","6","1","3","1") = "5"
    & skf21("2","4","5","5","6","1","4","1") = "5"
    & skf21("2","4","5","5","6","1","5","1") = "5"
    & skf21("2","4","5","5","6","1","6","1") = "5"
    & skf21("2","4","5","5","6","1","7","1") = "6"
    & skf21("2","4","5","5","6","2","1","1") = "5"
    & skf21("2","4","5","5","6","2","2","1") = "5"
    & skf21("2","4","5","5","6","2","3","1") = "5"
    & skf21("2","4","5","5","6","2","4","1") = "5"
    & skf21("2","4","5","5","6","2","5","1") = "5"
    & skf21("2","4","5","5","6","2","6","1") = "5"
    & skf21("2","4","5","5","6","2","7","1") = "6"
    & skf21("2","4","5","5","6","3","1","1") = "5"
    & skf21("2","4","5","5","6","3","2","1") = "5"
    & skf21("2","4","5","5","6","3","3","1") = "5"
    & skf21("2","4","5","5","6","3","4","1") = "5"
    & skf21("2","4","5","5","6","3","5","1") = "5"
    & skf21("2","4","5","5","6","3","6","1") = "5"
    & skf21("2","4","5","5","6","3","7","1") = "6"
    & skf21("2","4","5","5","6","4","1","1") = "5"
    & skf21("2","4","5","5","6","4","2","1") = "5"
    & skf21("2","4","5","5","6","4","3","1") = "5"
    & skf21("2","4","5","5","6","4","4","1") = "5"
    & skf21("2","4","5","5","6","4","5","1") = "5"
    & skf21("2","4","5","5","6","4","6","1") = "5"
    & skf21("2","4","5","5","6","4","7","1") = "6"
    & skf21("2","4","5","5","6","5","1","1") = "5"
    & skf21("2","4","5","5","6","5","2","1") = "5"
    & skf21("2","4","5","5","6","5","3","1") = "5"
    & skf21("2","4","5","5","6","5","4","1") = "5"
    & skf21("2","4","5","5","6","5","5","1") = "5"
    & skf21("2","4","5","5","6","5","6","1") = "5"
    & skf21("2","4","5","5","6","5","7","1") = "6"
    & skf21("2","4","5","5","6","6","1","1") = "5"
    & skf21("2","4","5","5","6","6","2","1") = "5"
    & skf21("2","4","5","5","6","6","3","1") = "5"
    & skf21("2","4","5","5","6","6","4","1") = "5"
    & skf21("2","4","5","5","6","6","5","1") = "5"
    & skf21("2","4","5","5","6","6","6","1") = "5"
    & skf21("2","4","5","5","6","6","7","1") = "6"
    & skf21("2","4","5","5","6","7","1","1") = "6"
    & skf21("2","4","5","5","6","7","2","1") = "6"
    & skf21("2","4","5","5","6","7","3","1") = "6"
    & skf21("2","4","5","5","6","7","4","1") = "6"
    & skf21("2","4","5","5","6","7","5","1") = "6"
    & skf21("2","4","5","5","6","7","6","1") = "6"
    & skf21("2","4","5","5","6","7","7","1") = "6"
    & skf21("2","4","5","5","7","1","1","1") = "6"
    & skf21("2","4","5","5","7","1","2","1") = "6"
    & skf21("2","4","5","5","7","1","3","1") = "6"
    & skf21("2","4","5","5","7","1","4","1") = "6"
    & skf21("2","4","5","5","7","1","5","1") = "6"
    & skf21("2","4","5","5","7","1","6","1") = "6"
    & skf21("2","4","5","5","7","1","7","1") = "6"
    & skf21("2","4","5","5","7","2","1","1") = "6"
    & skf21("2","4","5","5","7","2","2","1") = "6"
    & skf21("2","4","5","5","7","2","3","1") = "6"
    & skf21("2","4","5","5","7","2","4","1") = "6"
    & skf21("2","4","5","5","7","2","5","1") = "6"
    & skf21("2","4","5","5","7","2","6","1") = "6"
    & skf21("2","4","5","5","7","2","7","1") = "6"
    & skf21("2","4","5","5","7","3","1","1") = "6"
    & skf21("2","4","5","5","7","3","2","1") = "6"
    & skf21("2","4","5","5","7","3","3","1") = "6"
    & skf21("2","4","5","5","7","3","4","1") = "6"
    & skf21("2","4","5","5","7","3","5","1") = "6"
    & skf21("2","4","5","5","7","3","6","1") = "6"
    & skf21("2","4","5","5","7","3","7","1") = "6"
    & skf21("2","4","5","5","7","4","1","1") = "6"
    & skf21("2","4","5","5","7","4","2","1") = "6"
    & skf21("2","4","5","5","7","4","3","1") = "6"
    & skf21("2","4","5","5","7","4","4","1") = "6"
    & skf21("2","4","5","5","7","4","5","1") = "6"
    & skf21("2","4","5","5","7","4","6","1") = "6"
    & skf21("2","4","5","5","7","4","7","1") = "6"
    & skf21("2","4","5","5","7","5","1","1") = "6"
    & skf21("2","4","5","5","7","5","2","1") = "6"
    & skf21("2","4","5","5","7","5","3","1") = "6"
    & skf21("2","4","5","5","7","5","4","1") = "6"
    & skf21("2","4","5","5","7","5","5","1") = "6"
    & skf21("2","4","5","5","7","5","6","1") = "6"
    & skf21("2","4","5","5","7","5","7","1") = "6"
    & skf21("2","4","5","5","7","6","1","1") = "6"
    & skf21("2","4","5","5","7","6","2","1") = "6"
    & skf21("2","4","5","5","7","6","3","1") = "6"
    & skf21("2","4","5","5","7","6","4","1") = "6"
    & skf21("2","4","5","5","7","6","5","1") = "6"
    & skf21("2","4","5","5","7","6","6","1") = "6"
    & skf21("2","4","5","5","7","6","7","1") = "6"
    & skf21("2","4","5","5","7","7","1","1") = "6"
    & skf21("2","4","5","5","7","7","2","1") = "6"
    & skf21("2","4","5","5","7","7","3","1") = "6"
    & skf21("2","4","5","5","7","7","4","1") = "6"
    & skf21("2","4","5","5","7","7","5","1") = "6"
    & skf21("2","4","5","5","7","7","6","1") = "6"
    & skf21("2","4","5","5","7","7","7","1") = "6"
    & skf21("2","4","5","6","1","1","1","1") = "5"
    & skf21("2","4","5","6","1","1","2","1") = "5"
    & skf21("2","4","5","6","1","1","3","1") = "5"
    & skf21("2","4","5","6","1","1","4","1") = "5"
    & skf21("2","4","5","6","1","1","5","1") = "5"
    & skf21("2","4","5","6","1","1","6","1") = "5"
    & skf21("2","4","5","6","1","1","7","1") = "6"
    & skf21("2","4","5","6","1","2","1","1") = "5"
    & skf21("2","4","5","6","1","2","2","1") = "5"
    & skf21("2","4","5","6","1","2","3","1") = "5"
    & skf21("2","4","5","6","1","2","4","1") = "5"
    & skf21("2","4","5","6","1","2","5","1") = "5"
    & skf21("2","4","5","6","1","2","6","1") = "5"
    & skf21("2","4","5","6","1","2","7","1") = "6"
    & skf21("2","4","5","6","1","3","1","1") = "5"
    & skf21("2","4","5","6","1","3","2","1") = "5"
    & skf21("2","4","5","6","1","3","3","1") = "5"
    & skf21("2","4","5","6","1","3","4","1") = "5"
    & skf21("2","4","5","6","1","3","5","1") = "5"
    & skf21("2","4","5","6","1","3","6","1") = "5"
    & skf21("2","4","5","6","1","3","7","1") = "6"
    & skf21("2","4","5","6","1","4","1","1") = "5"
    & skf21("2","4","5","6","1","4","2","1") = "5"
    & skf21("2","4","5","6","1","4","3","1") = "5"
    & skf21("2","4","5","6","1","4","4","1") = "5"
    & skf21("2","4","5","6","1","4","5","1") = "5"
    & skf21("2","4","5","6","1","4","6","1") = "5"
    & skf21("2","4","5","6","1","4","7","1") = "6"
    & skf21("2","4","5","6","1","5","1","1") = "5"
    & skf21("2","4","5","6","1","5","2","1") = "5"
    & skf21("2","4","5","6","1","5","3","1") = "5"
    & skf21("2","4","5","6","1","5","4","1") = "5"
    & skf21("2","4","5","6","1","5","5","1") = "5"
    & skf21("2","4","5","6","1","5","6","1") = "5"
    & skf21("2","4","5","6","1","5","7","1") = "6"
    & skf21("2","4","5","6","1","6","1","1") = "5"
    & skf21("2","4","5","6","1","6","2","1") = "5"
    & skf21("2","4","5","6","1","6","3","1") = "5"
    & skf21("2","4","5","6","1","6","4","1") = "5"
    & skf21("2","4","5","6","1","6","5","1") = "5"
    & skf21("2","4","5","6","1","6","6","1") = "5"
    & skf21("2","4","5","6","1","6","7","1") = "6"
    & skf21("2","4","5","6","1","7","1","1") = "6"
    & skf21("2","4","5","6","1","7","2","1") = "6"
    & skf21("2","4","5","6","1","7","3","1") = "6"
    & skf21("2","4","5","6","1","7","4","1") = "6"
    & skf21("2","4","5","6","1","7","5","1") = "6"
    & skf21("2","4","5","6","1","7","6","1") = "6"
    & skf21("2","4","5","6","1","7","7","1") = "6"
    & skf21("2","4","5","6","2","1","1","1") = "5"
    & skf21("2","4","5","6","2","1","2","1") = "5"
    & skf21("2","4","5","6","2","1","3","1") = "5"
    & skf21("2","4","5","6","2","1","4","1") = "5"
    & skf21("2","4","5","6","2","1","5","1") = "5"
    & skf21("2","4","5","6","2","1","6","1") = "5"
    & skf21("2","4","5","6","2","1","7","1") = "6"
    & skf21("2","4","5","6","2","2","1","1") = "5"
    & skf21("2","4","5","6","2","2","2","1") = "5"
    & skf21("2","4","5","6","2","2","3","1") = "5"
    & skf21("2","4","5","6","2","2","4","1") = "5"
    & skf21("2","4","5","6","2","2","5","1") = "5"
    & skf21("2","4","5","6","2","2","6","1") = "5"
    & skf21("2","4","5","6","2","2","7","1") = "6"
    & skf21("2","4","5","6","2","3","1","1") = "5"
    & skf21("2","4","5","6","2","3","2","1") = "5"
    & skf21("2","4","5","6","2","3","3","1") = "5"
    & skf21("2","4","5","6","2","3","4","1") = "5"
    & skf21("2","4","5","6","2","3","5","1") = "5"
    & skf21("2","4","5","6","2","3","6","1") = "5"
    & skf21("2","4","5","6","2","3","7","1") = "6"
    & skf21("2","4","5","6","2","4","1","1") = "5"
    & skf21("2","4","5","6","2","4","2","1") = "5"
    & skf21("2","4","5","6","2","4","3","1") = "5"
    & skf21("2","4","5","6","2","4","4","1") = "5"
    & skf21("2","4","5","6","2","4","5","1") = "5"
    & skf21("2","4","5","6","2","4","6","1") = "5"
    & skf21("2","4","5","6","2","4","7","1") = "6"
    & skf21("2","4","5","6","2","5","1","1") = "5"
    & skf21("2","4","5","6","2","5","2","1") = "5"
    & skf21("2","4","5","6","2","5","3","1") = "5"
    & skf21("2","4","5","6","2","5","4","1") = "5"
    & skf21("2","4","5","6","2","5","5","1") = "5"
    & skf21("2","4","5","6","2","5","6","1") = "5"
    & skf21("2","4","5","6","2","5","7","1") = "6"
    & skf21("2","4","5","6","2","6","1","1") = "5"
    & skf21("2","4","5","6","2","6","2","1") = "5"
    & skf21("2","4","5","6","2","6","3","1") = "5"
    & skf21("2","4","5","6","2","6","4","1") = "5"
    & skf21("2","4","5","6","2","6","5","1") = "5"
    & skf21("2","4","5","6","2","6","6","1") = "5"
    & skf21("2","4","5","6","2","6","7","1") = "6"
    & skf21("2","4","5","6","2","7","1","1") = "6"
    & skf21("2","4","5","6","2","7","2","1") = "6"
    & skf21("2","4","5","6","2","7","3","1") = "6"
    & skf21("2","4","5","6","2","7","4","1") = "6"
    & skf21("2","4","5","6","2","7","5","1") = "6"
    & skf21("2","4","5","6","2","7","6","1") = "6"
    & skf21("2","4","5","6","2","7","7","1") = "6"
    & skf21("2","4","5","6","3","1","1","1") = "5"
    & skf21("2","4","5","6","3","1","2","1") = "5"
    & skf21("2","4","5","6","3","1","3","1") = "5"
    & skf21("2","4","5","6","3","1","4","1") = "5"
    & skf21("2","4","5","6","3","1","5","1") = "5"
    & skf21("2","4","5","6","3","1","6","1") = "5"
    & skf21("2","4","5","6","3","1","7","1") = "6"
    & skf21("2","4","5","6","3","2","1","1") = "5"
    & skf21("2","4","5","6","3","2","2","1") = "5"
    & skf21("2","4","5","6","3","2","3","1") = "5"
    & skf21("2","4","5","6","3","2","4","1") = "5"
    & skf21("2","4","5","6","3","2","5","1") = "5"
    & skf21("2","4","5","6","3","2","6","1") = "5"
    & skf21("2","4","5","6","3","2","7","1") = "6"
    & skf21("2","4","5","6","3","3","1","1") = "5"
    & skf21("2","4","5","6","3","3","2","1") = "5"
    & skf21("2","4","5","6","3","3","3","1") = "5"
    & skf21("2","4","5","6","3","3","4","1") = "5"
    & skf21("2","4","5","6","3","3","5","1") = "5"
    & skf21("2","4","5","6","3","3","6","1") = "5"
    & skf21("2","4","5","6","3","3","7","1") = "6"
    & skf21("2","4","5","6","3","4","1","1") = "5"
    & skf21("2","4","5","6","3","4","2","1") = "5"
    & skf21("2","4","5","6","3","4","3","1") = "5"
    & skf21("2","4","5","6","3","4","4","1") = "5"
    & skf21("2","4","5","6","3","4","5","1") = "5"
    & skf21("2","4","5","6","3","4","6","1") = "5"
    & skf21("2","4","5","6","3","4","7","1") = "6"
    & skf21("2","4","5","6","3","5","1","1") = "5"
    & skf21("2","4","5","6","3","5","2","1") = "5"
    & skf21("2","4","5","6","3","5","3","1") = "5"
    & skf21("2","4","5","6","3","5","4","1") = "5"
    & skf21("2","4","5","6","3","5","5","1") = "5"
    & skf21("2","4","5","6","3","5","6","1") = "5"
    & skf21("2","4","5","6","3","5","7","1") = "6"
    & skf21("2","4","5","6","3","6","1","1") = "5"
    & skf21("2","4","5","6","3","6","2","1") = "5"
    & skf21("2","4","5","6","3","6","3","1") = "5"
    & skf21("2","4","5","6","3","6","4","1") = "5"
    & skf21("2","4","5","6","3","6","5","1") = "5"
    & skf21("2","4","5","6","3","6","6","1") = "5"
    & skf21("2","4","5","6","3","6","7","1") = "6"
    & skf21("2","4","5","6","3","7","1","1") = "6"
    & skf21("2","4","5","6","3","7","2","1") = "6"
    & skf21("2","4","5","6","3","7","3","1") = "6"
    & skf21("2","4","5","6","3","7","4","1") = "6"
    & skf21("2","4","5","6","3","7","5","1") = "6"
    & skf21("2","4","5","6","3","7","6","1") = "6"
    & skf21("2","4","5","6","3","7","7","1") = "6"
    & skf21("2","4","5","6","4","1","1","1") = "5"
    & skf21("2","4","5","6","4","1","2","1") = "5"
    & skf21("2","4","5","6","4","1","3","1") = "5"
    & skf21("2","4","5","6","4","1","4","1") = "5"
    & skf21("2","4","5","6","4","1","5","1") = "5"
    & skf21("2","4","5","6","4","1","6","1") = "5"
    & skf21("2","4","5","6","4","1","7","1") = "6"
    & skf21("2","4","5","6","4","2","1","1") = "5"
    & skf21("2","4","5","6","4","2","2","1") = "5"
    & skf21("2","4","5","6","4","2","3","1") = "5"
    & skf21("2","4","5","6","4","2","4","1") = "5"
    & skf21("2","4","5","6","4","2","5","1") = "5"
    & skf21("2","4","5","6","4","2","6","1") = "5"
    & skf21("2","4","5","6","4","2","7","1") = "6"
    & skf21("2","4","5","6","4","3","1","1") = "5"
    & skf21("2","4","5","6","4","3","2","1") = "5"
    & skf21("2","4","5","6","4","3","3","1") = "5"
    & skf21("2","4","5","6","4","3","4","1") = "5"
    & skf21("2","4","5","6","4","3","5","1") = "5"
    & skf21("2","4","5","6","4","3","6","1") = "5"
    & skf21("2","4","5","6","4","3","7","1") = "6"
    & skf21("2","4","5","6","4","4","1","1") = "5"
    & skf21("2","4","5","6","4","4","2","1") = "5"
    & skf21("2","4","5","6","4","4","3","1") = "5"
    & skf21("2","4","5","6","4","4","4","1") = "5"
    & skf21("2","4","5","6","4","4","5","1") = "5"
    & skf21("2","4","5","6","4","4","6","1") = "5"
    & skf21("2","4","5","6","4","4","7","1") = "6"
    & skf21("2","4","5","6","4","5","1","1") = "5"
    & skf21("2","4","5","6","4","5","2","1") = "5"
    & skf21("2","4","5","6","4","5","3","1") = "5"
    & skf21("2","4","5","6","4","5","4","1") = "5"
    & skf21("2","4","5","6","4","5","5","1") = "5"
    & skf21("2","4","5","6","4","5","6","1") = "5"
    & skf21("2","4","5","6","4","5","7","1") = "6"
    & skf21("2","4","5","6","4","6","1","1") = "5"
    & skf21("2","4","5","6","4","6","2","1") = "5"
    & skf21("2","4","5","6","4","6","3","1") = "5"
    & skf21("2","4","5","6","4","6","4","1") = "5"
    & skf21("2","4","5","6","4","6","5","1") = "5"
    & skf21("2","4","5","6","4","6","6","1") = "5"
    & skf21("2","4","5","6","4","6","7","1") = "6"
    & skf21("2","4","5","6","4","7","1","1") = "6"
    & skf21("2","4","5","6","4","7","2","1") = "6"
    & skf21("2","4","5","6","4","7","3","1") = "6"
    & skf21("2","4","5","6","4","7","4","1") = "6"
    & skf21("2","4","5","6","4","7","5","1") = "6"
    & skf21("2","4","5","6","4","7","6","1") = "6"
    & skf21("2","4","5","6","4","7","7","1") = "6"
    & skf21("2","4","5","6","5","1","1","1") = "5"
    & skf21("2","4","5","6","5","1","2","1") = "5"
    & skf21("2","4","5","6","5","1","3","1") = "5"
    & skf21("2","4","5","6","5","1","4","1") = "5"
    & skf21("2","4","5","6","5","1","5","1") = "5"
    & skf21("2","4","5","6","5","1","6","1") = "5"
    & skf21("2","4","5","6","5","1","7","1") = "6"
    & skf21("2","4","5","6","5","2","1","1") = "5"
    & skf21("2","4","5","6","5","2","2","1") = "5"
    & skf21("2","4","5","6","5","2","3","1") = "5"
    & skf21("2","4","5","6","5","2","4","1") = "5"
    & skf21("2","4","5","6","5","2","5","1") = "5"
    & skf21("2","4","5","6","5","2","6","1") = "5"
    & skf21("2","4","5","6","5","2","7","1") = "6"
    & skf21("2","4","5","6","5","3","1","1") = "5"
    & skf21("2","4","5","6","5","3","2","1") = "5"
    & skf21("2","4","5","6","5","3","3","1") = "5"
    & skf21("2","4","5","6","5","3","4","1") = "5"
    & skf21("2","4","5","6","5","3","5","1") = "5"
    & skf21("2","4","5","6","5","3","6","1") = "5"
    & skf21("2","4","5","6","5","3","7","1") = "6"
    & skf21("2","4","5","6","5","4","1","1") = "5"
    & skf21("2","4","5","6","5","4","2","1") = "5"
    & skf21("2","4","5","6","5","4","3","1") = "5"
    & skf21("2","4","5","6","5","4","4","1") = "5"
    & skf21("2","4","5","6","5","4","5","1") = "5"
    & skf21("2","4","5","6","5","4","6","1") = "5"
    & skf21("2","4","5","6","5","4","7","1") = "6"
    & skf21("2","4","5","6","5","5","1","1") = "5"
    & skf21("2","4","5","6","5","5","2","1") = "5"
    & skf21("2","4","5","6","5","5","3","1") = "5"
    & skf21("2","4","5","6","5","5","4","1") = "5"
    & skf21("2","4","5","6","5","5","5","1") = "5"
    & skf21("2","4","5","6","5","5","6","1") = "5"
    & skf21("2","4","5","6","5","5","7","1") = "6"
    & skf21("2","4","5","6","5","6","1","1") = "5"
    & skf21("2","4","5","6","5","6","2","1") = "5"
    & skf21("2","4","5","6","5","6","3","1") = "5"
    & skf21("2","4","5","6","5","6","4","1") = "5"
    & skf21("2","4","5","6","5","6","5","1") = "5"
    & skf21("2","4","5","6","5","6","6","1") = "5"
    & skf21("2","4","5","6","5","6","7","1") = "6"
    & skf21("2","4","5","6","5","7","1","1") = "6"
    & skf21("2","4","5","6","5","7","2","1") = "6"
    & skf21("2","4","5","6","5","7","3","1") = "6"
    & skf21("2","4","5","6","5","7","4","1") = "6"
    & skf21("2","4","5","6","5","7","5","1") = "6"
    & skf21("2","4","5","6","5","7","6","1") = "6"
    & skf21("2","4","5","6","5","7","7","1") = "6"
    & skf21("2","4","5","6","6","1","1","1") = "5"
    & skf21("2","4","5","6","6","1","2","1") = "5"
    & skf21("2","4","5","6","6","1","3","1") = "5"
    & skf21("2","4","5","6","6","1","4","1") = "5"
    & skf21("2","4","5","6","6","1","5","1") = "5"
    & skf21("2","4","5","6","6","1","6","1") = "5"
    & skf21("2","4","5","6","6","1","7","1") = "6"
    & skf21("2","4","5","6","6","2","1","1") = "5"
    & skf21("2","4","5","6","6","2","2","1") = "5"
    & skf21("2","4","5","6","6","2","3","1") = "5"
    & skf21("2","4","5","6","6","2","4","1") = "5"
    & skf21("2","4","5","6","6","2","5","1") = "5"
    & skf21("2","4","5","6","6","2","6","1") = "5"
    & skf21("2","4","5","6","6","2","7","1") = "6"
    & skf21("2","4","5","6","6","3","1","1") = "5"
    & skf21("2","4","5","6","6","3","2","1") = "5"
    & skf21("2","4","5","6","6","3","3","1") = "5"
    & skf21("2","4","5","6","6","3","4","1") = "5"
    & skf21("2","4","5","6","6","3","5","1") = "5"
    & skf21("2","4","5","6","6","3","6","1") = "5"
    & skf21("2","4","5","6","6","3","7","1") = "6"
    & skf21("2","4","5","6","6","4","1","1") = "5"
    & skf21("2","4","5","6","6","4","2","1") = "5"
    & skf21("2","4","5","6","6","4","3","1") = "5"
    & skf21("2","4","5","6","6","4","4","1") = "5"
    & skf21("2","4","5","6","6","4","5","1") = "5"
    & skf21("2","4","5","6","6","4","6","1") = "5"
    & skf21("2","4","5","6","6","4","7","1") = "6"
    & skf21("2","4","5","6","6","5","1","1") = "5"
    & skf21("2","4","5","6","6","5","2","1") = "5"
    & skf21("2","4","5","6","6","5","3","1") = "5"
    & skf21("2","4","5","6","6","5","4","1") = "5"
    & skf21("2","4","5","6","6","5","5","1") = "5"
    & skf21("2","4","5","6","6","5","6","1") = "5"
    & skf21("2","4","5","6","6","5","7","1") = "6"
    & skf21("2","4","5","6","6","6","1","1") = "5"
    & skf21("2","4","5","6","6","6","2","1") = "5"
    & skf21("2","4","5","6","6","6","3","1") = "5"
    & skf21("2","4","5","6","6","6","4","1") = "5"
    & skf21("2","4","5","6","6","6","5","1") = "5"
    & skf21("2","4","5","6","6","6","6","1") = "5"
    & skf21("2","4","5","6","6","6","7","1") = "6"
    & skf21("2","4","5","6","6","7","1","1") = "6"
    & skf21("2","4","5","6","6","7","2","1") = "6"
    & skf21("2","4","5","6","6","7","3","1") = "6"
    & skf21("2","4","5","6","6","7","4","1") = "6"
    & skf21("2","4","5","6","6","7","5","1") = "6"
    & skf21("2","4","5","6","6","7","6","1") = "6"
    & skf21("2","4","5","6","6","7","7","1") = "6"
    & skf21("2","4","5","6","7","1","1","1") = "6"
    & skf21("2","4","5","6","7","1","2","1") = "6"
    & skf21("2","4","5","6","7","1","3","1") = "6"
    & skf21("2","4","5","6","7","1","4","1") = "6"
    & skf21("2","4","5","6","7","1","5","1") = "6"
    & skf21("2","4","5","6","7","1","6","1") = "6"
    & skf21("2","4","5","6","7","1","7","1") = "6"
    & skf21("2","4","5","6","7","2","1","1") = "6"
    & skf21("2","4","5","6","7","2","2","1") = "6"
    & skf21("2","4","5","6","7","2","3","1") = "6"
    & skf21("2","4","5","6","7","2","4","1") = "6"
    & skf21("2","4","5","6","7","2","5","1") = "6"
    & skf21("2","4","5","6","7","2","6","1") = "6"
    & skf21("2","4","5","6","7","2","7","1") = "6"
    & skf21("2","4","5","6","7","3","1","1") = "6"
    & skf21("2","4","5","6","7","3","2","1") = "6"
    & skf21("2","4","5","6","7","3","3","1") = "6"
    & skf21("2","4","5","6","7","3","4","1") = "6"
    & skf21("2","4","5","6","7","3","5","1") = "6"
    & skf21("2","4","5","6","7","3","6","1") = "6"
    & skf21("2","4","5","6","7","3","7","1") = "6"
    & skf21("2","4","5","6","7","4","1","1") = "6"
    & skf21("2","4","5","6","7","4","2","1") = "6"
    & skf21("2","4","5","6","7","4","3","1") = "6"
    & skf21("2","4","5","6","7","4","4","1") = "6"
    & skf21("2","4","5","6","7","4","5","1") = "6"
    & skf21("2","4","5","6","7","4","6","1") = "6"
    & skf21("2","4","5","6","7","4","7","1") = "6"
    & skf21("2","4","5","6","7","5","1","1") = "6"
    & skf21("2","4","5","6","7","5","2","1") = "6"
    & skf21("2","4","5","6","7","5","3","1") = "6"
    & skf21("2","4","5","6","7","5","4","1") = "6"
    & skf21("2","4","5","6","7","5","5","1") = "6"
    & skf21("2","4","5","6","7","5","6","1") = "6"
    & skf21("2","4","5","6","7","5","7","1") = "6"
    & skf21("2","4","5","6","7","6","1","1") = "6"
    & skf21("2","4","5","6","7","6","2","1") = "6"
    & skf21("2","4","5","6","7","6","3","1") = "6"
    & skf21("2","4","5","6","7","6","4","1") = "6"
    & skf21("2","4","5","6","7","6","5","1") = "6"
    & skf21("2","4","5","6","7","6","6","1") = "6"
    & skf21("2","4","5","6","7","6","7","1") = "6"
    & skf21("2","4","5","6","7","7","1","1") = "6"
    & skf21("2","4","5","6","7","7","2","1") = "6"
    & skf21("2","4","5","6","7","7","3","1") = "6"
    & skf21("2","4","5","6","7","7","4","1") = "6"
    & skf21("2","4","5","6","7","7","5","1") = "6"
    & skf21("2","4","5","6","7","7","6","1") = "6"
    & skf21("2","4","5","6","7","7","7","1") = "6"
    & skf21("2","4","5","7","1","1","1","1") = "6"
    & skf21("2","4","5","7","1","1","2","1") = "6"
    & skf21("2","4","5","7","1","1","3","1") = "6"
    & skf21("2","4","5","7","1","1","4","1") = "6"
    & skf21("2","4","5","7","1","1","5","1") = "6"
    & skf21("2","4","5","7","1","1","6","1") = "6"
    & skf21("2","4","5","7","1","1","7","1") = "6"
    & skf21("2","4","5","7","1","2","1","1") = "6"
    & skf21("2","4","5","7","1","2","2","1") = "6"
    & skf21("2","4","5","7","1","2","3","1") = "6"
    & skf21("2","4","5","7","1","2","4","1") = "6"
    & skf21("2","4","5","7","1","2","5","1") = "6"
    & skf21("2","4","5","7","1","2","6","1") = "6"
    & skf21("2","4","5","7","1","2","7","1") = "6"
    & skf21("2","4","5","7","1","3","1","1") = "6"
    & skf21("2","4","5","7","1","3","2","1") = "6"
    & skf21("2","4","5","7","1","3","3","1") = "6"
    & skf21("2","4","5","7","1","3","4","1") = "6"
    & skf21("2","4","5","7","1","3","5","1") = "6"
    & skf21("2","4","5","7","1","3","6","1") = "6"
    & skf21("2","4","5","7","1","3","7","1") = "6"
    & skf21("2","4","5","7","1","4","1","1") = "6"
    & skf21("2","4","5","7","1","4","2","1") = "6"
    & skf21("2","4","5","7","1","4","3","1") = "6"
    & skf21("2","4","5","7","1","4","4","1") = "6"
    & skf21("2","4","5","7","1","4","5","1") = "6"
    & skf21("2","4","5","7","1","4","6","1") = "6"
    & skf21("2","4","5","7","1","4","7","1") = "6"
    & skf21("2","4","5","7","1","5","1","1") = "6"
    & skf21("2","4","5","7","1","5","2","1") = "6"
    & skf21("2","4","5","7","1","5","3","1") = "6"
    & skf21("2","4","5","7","1","5","4","1") = "6"
    & skf21("2","4","5","7","1","5","5","1") = "6"
    & skf21("2","4","5","7","1","5","6","1") = "6"
    & skf21("2","4","5","7","1","5","7","1") = "6"
    & skf21("2","4","5","7","1","6","1","1") = "6"
    & skf21("2","4","5","7","1","6","2","1") = "6"
    & skf21("2","4","5","7","1","6","3","1") = "6"
    & skf21("2","4","5","7","1","6","4","1") = "6"
    & skf21("2","4","5","7","1","6","5","1") = "6"
    & skf21("2","4","5","7","1","6","6","1") = "6"
    & skf21("2","4","5","7","1","6","7","1") = "6"
    & skf21("2","4","5","7","1","7","1","1") = "6"
    & skf21("2","4","5","7","1","7","2","1") = "6"
    & skf21("2","4","5","7","1","7","3","1") = "6"
    & skf21("2","4","5","7","1","7","4","1") = "6"
    & skf21("2","4","5","7","1","7","5","1") = "6"
    & skf21("2","4","5","7","1","7","6","1") = "6"
    & skf21("2","4","5","7","1","7","7","1") = "6"
    & skf21("2","4","5","7","2","1","1","1") = "6"
    & skf21("2","4","5","7","2","1","2","1") = "6"
    & skf21("2","4","5","7","2","1","3","1") = "6"
    & skf21("2","4","5","7","2","1","4","1") = "6"
    & skf21("2","4","5","7","2","1","5","1") = "6"
    & skf21("2","4","5","7","2","1","6","1") = "6"
    & skf21("2","4","5","7","2","1","7","1") = "6"
    & skf21("2","4","5","7","2","2","1","1") = "6"
    & skf21("2","4","5","7","2","2","2","1") = "6"
    & skf21("2","4","5","7","2","2","3","1") = "6"
    & skf21("2","4","5","7","2","2","4","1") = "6"
    & skf21("2","4","5","7","2","2","5","1") = "6"
    & skf21("2","4","5","7","2","2","6","1") = "6"
    & skf21("2","4","5","7","2","2","7","1") = "6"
    & skf21("2","4","5","7","2","3","1","1") = "6"
    & skf21("2","4","5","7","2","3","2","1") = "6"
    & skf21("2","4","5","7","2","3","3","1") = "6"
    & skf21("2","4","5","7","2","3","4","1") = "6"
    & skf21("2","4","5","7","2","3","5","1") = "6"
    & skf21("2","4","5","7","2","3","6","1") = "6"
    & skf21("2","4","5","7","2","3","7","1") = "6"
    & skf21("2","4","5","7","2","4","1","1") = "6"
    & skf21("2","4","5","7","2","4","2","1") = "6"
    & skf21("2","4","5","7","2","4","3","1") = "6"
    & skf21("2","4","5","7","2","4","4","1") = "6"
    & skf21("2","4","5","7","2","4","5","1") = "6"
    & skf21("2","4","5","7","2","4","6","1") = "6"
    & skf21("2","4","5","7","2","4","7","1") = "6"
    & skf21("2","4","5","7","2","5","1","1") = "6"
    & skf21("2","4","5","7","2","5","2","1") = "6"
    & skf21("2","4","5","7","2","5","3","1") = "6"
    & skf21("2","4","5","7","2","5","4","1") = "6"
    & skf21("2","4","5","7","2","5","5","1") = "6"
    & skf21("2","4","5","7","2","5","6","1") = "6"
    & skf21("2","4","5","7","2","5","7","1") = "6"
    & skf21("2","4","5","7","2","6","1","1") = "6"
    & skf21("2","4","5","7","2","6","2","1") = "6"
    & skf21("2","4","5","7","2","6","3","1") = "6"
    & skf21("2","4","5","7","2","6","4","1") = "6"
    & skf21("2","4","5","7","2","6","5","1") = "6"
    & skf21("2","4","5","7","2","6","6","1") = "6"
    & skf21("2","4","5","7","2","6","7","1") = "6"
    & skf21("2","4","5","7","2","7","1","1") = "6"
    & skf21("2","4","5","7","2","7","2","1") = "6"
    & skf21("2","4","5","7","2","7","3","1") = "6"
    & skf21("2","4","5","7","2","7","4","1") = "6"
    & skf21("2","4","5","7","2","7","5","1") = "6"
    & skf21("2","4","5","7","2","7","6","1") = "6"
    & skf21("2","4","5","7","2","7","7","1") = "6"
    & skf21("2","4","5","7","3","1","1","1") = "6"
    & skf21("2","4","5","7","3","1","2","1") = "6"
    & skf21("2","4","5","7","3","1","3","1") = "6"
    & skf21("2","4","5","7","3","1","4","1") = "6"
    & skf21("2","4","5","7","3","1","5","1") = "6"
    & skf21("2","4","5","7","3","1","6","1") = "6"
    & skf21("2","4","5","7","3","1","7","1") = "6"
    & skf21("2","4","5","7","3","2","1","1") = "6"
    & skf21("2","4","5","7","3","2","2","1") = "6"
    & skf21("2","4","5","7","3","2","3","1") = "6"
    & skf21("2","4","5","7","3","2","4","1") = "6"
    & skf21("2","4","5","7","3","2","5","1") = "6"
    & skf21("2","4","5","7","3","2","6","1") = "6"
    & skf21("2","4","5","7","3","2","7","1") = "6"
    & skf21("2","4","5","7","3","3","1","1") = "6"
    & skf21("2","4","5","7","3","3","2","1") = "6"
    & skf21("2","4","5","7","3","3","3","1") = "6"
    & skf21("2","4","5","7","3","3","4","1") = "6"
    & skf21("2","4","5","7","3","3","5","1") = "6"
    & skf21("2","4","5","7","3","3","6","1") = "6"
    & skf21("2","4","5","7","3","3","7","1") = "6"
    & skf21("2","4","5","7","3","4","1","1") = "6"
    & skf21("2","4","5","7","3","4","2","1") = "6"
    & skf21("2","4","5","7","3","4","3","1") = "6"
    & skf21("2","4","5","7","3","4","4","1") = "6"
    & skf21("2","4","5","7","3","4","5","1") = "6"
    & skf21("2","4","5","7","3","4","6","1") = "6"
    & skf21("2","4","5","7","3","4","7","1") = "6"
    & skf21("2","4","5","7","3","5","1","1") = "6"
    & skf21("2","4","5","7","3","5","2","1") = "6"
    & skf21("2","4","5","7","3","5","3","1") = "6"
    & skf21("2","4","5","7","3","5","4","1") = "6"
    & skf21("2","4","5","7","3","5","5","1") = "6"
    & skf21("2","4","5","7","3","5","6","1") = "6"
    & skf21("2","4","5","7","3","5","7","1") = "6"
    & skf21("2","4","5","7","3","6","1","1") = "6"
    & skf21("2","4","5","7","3","6","2","1") = "6"
    & skf21("2","4","5","7","3","6","3","1") = "6"
    & skf21("2","4","5","7","3","6","4","1") = "6"
    & skf21("2","4","5","7","3","6","5","1") = "6"
    & skf21("2","4","5","7","3","6","6","1") = "6"
    & skf21("2","4","5","7","3","6","7","1") = "6"
    & skf21("2","4","5","7","3","7","1","1") = "6"
    & skf21("2","4","5","7","3","7","2","1") = "6"
    & skf21("2","4","5","7","3","7","3","1") = "6"
    & skf21("2","4","5","7","3","7","4","1") = "6"
    & skf21("2","4","5","7","3","7","5","1") = "6"
    & skf21("2","4","5","7","3","7","6","1") = "6"
    & skf21("2","4","5","7","3","7","7","1") = "6"
    & skf21("2","4","5","7","4","1","1","1") = "6"
    & skf21("2","4","5","7","4","1","2","1") = "6"
    & skf21("2","4","5","7","4","1","3","1") = "6"
    & skf21("2","4","5","7","4","1","4","1") = "6"
    & skf21("2","4","5","7","4","1","5","1") = "6"
    & skf21("2","4","5","7","4","1","6","1") = "6"
    & skf21("2","4","5","7","4","1","7","1") = "6"
    & skf21("2","4","5","7","4","2","1","1") = "6"
    & skf21("2","4","5","7","4","2","2","1") = "6"
    & skf21("2","4","5","7","4","2","3","1") = "6"
    & skf21("2","4","5","7","4","2","4","1") = "6"
    & skf21("2","4","5","7","4","2","5","1") = "6"
    & skf21("2","4","5","7","4","2","6","1") = "6"
    & skf21("2","4","5","7","4","2","7","1") = "6"
    & skf21("2","4","5","7","4","3","1","1") = "6"
    & skf21("2","4","5","7","4","3","2","1") = "6"
    & skf21("2","4","5","7","4","3","3","1") = "6"
    & skf21("2","4","5","7","4","3","4","1") = "6"
    & skf21("2","4","5","7","4","3","5","1") = "6"
    & skf21("2","4","5","7","4","3","6","1") = "6"
    & skf21("2","4","5","7","4","3","7","1") = "6"
    & skf21("2","4","5","7","4","4","1","1") = "6"
    & skf21("2","4","5","7","4","4","2","1") = "6"
    & skf21("2","4","5","7","4","4","3","1") = "6"
    & skf21("2","4","5","7","4","4","4","1") = "6"
    & skf21("2","4","5","7","4","4","5","1") = "6"
    & skf21("2","4","5","7","4","4","6","1") = "6"
    & skf21("2","4","5","7","4","4","7","1") = "6"
    & skf21("2","4","5","7","4","5","1","1") = "6"
    & skf21("2","4","5","7","4","5","2","1") = "6"
    & skf21("2","4","5","7","4","5","3","1") = "6"
    & skf21("2","4","5","7","4","5","4","1") = "6"
    & skf21("2","4","5","7","4","5","5","1") = "6"
    & skf21("2","4","5","7","4","5","6","1") = "6"
    & skf21("2","4","5","7","4","5","7","1") = "6"
    & skf21("2","4","5","7","4","6","1","1") = "6"
    & skf21("2","4","5","7","4","6","2","1") = "6"
    & skf21("2","4","5","7","4","6","3","1") = "6"
    & skf21("2","4","5","7","4","6","4","1") = "6"
    & skf21("2","4","5","7","4","6","5","1") = "6"
    & skf21("2","4","5","7","4","6","6","1") = "6"
    & skf21("2","4","5","7","4","6","7","1") = "6"
    & skf21("2","4","5","7","4","7","1","1") = "6"
    & skf21("2","4","5","7","4","7","2","1") = "6"
    & skf21("2","4","5","7","4","7","3","1") = "6"
    & skf21("2","4","5","7","4","7","4","1") = "6"
    & skf21("2","4","5","7","4","7","5","1") = "6"
    & skf21("2","4","5","7","4","7","6","1") = "6"
    & skf21("2","4","5","7","4","7","7","1") = "6"
    & skf21("2","4","5","7","5","1","1","1") = "6"
    & skf21("2","4","5","7","5","1","2","1") = "6"
    & skf21("2","4","5","7","5","1","3","1") = "6"
    & skf21("2","4","5","7","5","1","4","1") = "6"
    & skf21("2","4","5","7","5","1","5","1") = "6"
    & skf21("2","4","5","7","5","1","6","1") = "6"
    & skf21("2","4","5","7","5","1","7","1") = "6"
    & skf21("2","4","5","7","5","2","1","1") = "6"
    & skf21("2","4","5","7","5","2","2","1") = "6"
    & skf21("2","4","5","7","5","2","3","1") = "6"
    & skf21("2","4","5","7","5","2","4","1") = "6"
    & skf21("2","4","5","7","5","2","5","1") = "6"
    & skf21("2","4","5","7","5","2","6","1") = "6"
    & skf21("2","4","5","7","5","2","7","1") = "6"
    & skf21("2","4","5","7","5","3","1","1") = "6"
    & skf21("2","4","5","7","5","3","2","1") = "6"
    & skf21("2","4","5","7","5","3","3","1") = "6"
    & skf21("2","4","5","7","5","3","4","1") = "6"
    & skf21("2","4","5","7","5","3","5","1") = "6"
    & skf21("2","4","5","7","5","3","6","1") = "6"
    & skf21("2","4","5","7","5","3","7","1") = "6"
    & skf21("2","4","5","7","5","4","1","1") = "6"
    & skf21("2","4","5","7","5","4","2","1") = "6"
    & skf21("2","4","5","7","5","4","3","1") = "6"
    & skf21("2","4","5","7","5","4","4","1") = "6"
    & skf21("2","4","5","7","5","4","5","1") = "6"
    & skf21("2","4","5","7","5","4","6","1") = "6"
    & skf21("2","4","5","7","5","4","7","1") = "6"
    & skf21("2","4","5","7","5","5","1","1") = "6"
    & skf21("2","4","5","7","5","5","2","1") = "6"
    & skf21("2","4","5","7","5","5","3","1") = "6"
    & skf21("2","4","5","7","5","5","4","1") = "6"
    & skf21("2","4","5","7","5","5","5","1") = "6"
    & skf21("2","4","5","7","5","5","6","1") = "6"
    & skf21("2","4","5","7","5","5","7","1") = "6"
    & skf21("2","4","5","7","5","6","1","1") = "6"
    & skf21("2","4","5","7","5","6","2","1") = "6"
    & skf21("2","4","5","7","5","6","3","1") = "6"
    & skf21("2","4","5","7","5","6","4","1") = "6"
    & skf21("2","4","5","7","5","6","5","1") = "6"
    & skf21("2","4","5","7","5","6","6","1") = "6"
    & skf21("2","4","5","7","5","6","7","1") = "6"
    & skf21("2","4","5","7","5","7","1","1") = "6"
    & skf21("2","4","5","7","5","7","2","1") = "6"
    & skf21("2","4","5","7","5","7","3","1") = "6"
    & skf21("2","4","5","7","5","7","4","1") = "6"
    & skf21("2","4","5","7","5","7","5","1") = "6"
    & skf21("2","4","5","7","5","7","6","1") = "6"
    & skf21("2","4","5","7","5","7","7","1") = "6"
    & skf21("2","4","5","7","6","1","1","1") = "6"
    & skf21("2","4","5","7","6","1","2","1") = "6"
    & skf21("2","4","5","7","6","1","3","1") = "6"
    & skf21("2","4","5","7","6","1","4","1") = "6"
    & skf21("2","4","5","7","6","1","5","1") = "6"
    & skf21("2","4","5","7","6","1","6","1") = "6"
    & skf21("2","4","5","7","6","1","7","1") = "6"
    & skf21("2","4","5","7","6","2","1","1") = "6"
    & skf21("2","4","5","7","6","2","2","1") = "6"
    & skf21("2","4","5","7","6","2","3","1") = "6"
    & skf21("2","4","5","7","6","2","4","1") = "6"
    & skf21("2","4","5","7","6","2","5","1") = "6"
    & skf21("2","4","5","7","6","2","6","1") = "6"
    & skf21("2","4","5","7","6","2","7","1") = "6"
    & skf21("2","4","5","7","6","3","1","1") = "6"
    & skf21("2","4","5","7","6","3","2","1") = "6"
    & skf21("2","4","5","7","6","3","3","1") = "6"
    & skf21("2","4","5","7","6","3","4","1") = "6"
    & skf21("2","4","5","7","6","3","5","1") = "6"
    & skf21("2","4","5","7","6","3","6","1") = "6"
    & skf21("2","4","5","7","6","3","7","1") = "6"
    & skf21("2","4","5","7","6","4","1","1") = "6"
    & skf21("2","4","5","7","6","4","2","1") = "6"
    & skf21("2","4","5","7","6","4","3","1") = "6"
    & skf21("2","4","5","7","6","4","4","1") = "6"
    & skf21("2","4","5","7","6","4","5","1") = "6"
    & skf21("2","4","5","7","6","4","6","1") = "6"
    & skf21("2","4","5","7","6","4","7","1") = "6"
    & skf21("2","4","5","7","6","5","1","1") = "6"
    & skf21("2","4","5","7","6","5","2","1") = "6"
    & skf21("2","4","5","7","6","5","3","1") = "6"
    & skf21("2","4","5","7","6","5","4","1") = "6"
    & skf21("2","4","5","7","6","5","5","1") = "6"
    & skf21("2","4","5","7","6","5","6","1") = "6"
    & skf21("2","4","5","7","6","5","7","1") = "6"
    & skf21("2","4","5","7","6","6","1","1") = "6"
    & skf21("2","4","5","7","6","6","2","1") = "6"
    & skf21("2","4","5","7","6","6","3","1") = "6"
    & skf21("2","4","5","7","6","6","4","1") = "6"
    & skf21("2","4","5","7","6","6","5","1") = "6"
    & skf21("2","4","5","7","6","6","6","1") = "6"
    & skf21("2","4","5","7","6","6","7","1") = "6"
    & skf21("2","4","5","7","6","7","1","1") = "6"
    & skf21("2","4","5","7","6","7","2","1") = "6"
    & skf21("2","4","5","7","6","7","3","1") = "6"
    & skf21("2","4","5","7","6","7","4","1") = "6"
    & skf21("2","4","5","7","6","7","5","1") = "6"
    & skf21("2","4","5","7","6","7","6","1") = "6"
    & skf21("2","4","5","7","6","7","7","1") = "6"
    & skf21("2","4","5","7","7","1","1","1") = "6"
    & skf21("2","4","5","7","7","1","2","1") = "6"
    & skf21("2","4","5","7","7","1","3","1") = "6"
    & skf21("2","4","5","7","7","1","4","1") = "6"
    & skf21("2","4","5","7","7","1","5","1") = "6"
    & skf21("2","4","5","7","7","1","6","1") = "6"
    & skf21("2","4","5","7","7","1","7","1") = "6"
    & skf21("2","4","5","7","7","2","1","1") = "6"
    & skf21("2","4","5","7","7","2","2","1") = "6"
    & skf21("2","4","5","7","7","2","3","1") = "6"
    & skf21("2","4","5","7","7","2","4","1") = "6"
    & skf21("2","4","5","7","7","2","5","1") = "6"
    & skf21("2","4","5","7","7","2","6","1") = "6"
    & skf21("2","4","5","7","7","2","7","1") = "6"
    & skf21("2","4","5","7","7","3","1","1") = "6"
    & skf21("2","4","5","7","7","3","2","1") = "6"
    & skf21("2","4","5","7","7","3","3","1") = "6"
    & skf21("2","4","5","7","7","3","4","1") = "6"
    & skf21("2","4","5","7","7","3","5","1") = "6"
    & skf21("2","4","5","7","7","3","6","1") = "6"
    & skf21("2","4","5","7","7","3","7","1") = "6"
    & skf21("2","4","5","7","7","4","1","1") = "6"
    & skf21("2","4","5","7","7","4","2","1") = "6"
    & skf21("2","4","5","7","7","4","3","1") = "6"
    & skf21("2","4","5","7","7","4","4","1") = "6"
    & skf21("2","4","5","7","7","4","5","1") = "6"
    & skf21("2","4","5","7","7","4","6","1") = "6"
    & skf21("2","4","5","7","7","4","7","1") = "6"
    & skf21("2","4","5","7","7","5","1","1") = "6"
    & skf21("2","4","5","7","7","5","2","1") = "6"
    & skf21("2","4","5","7","7","5","3","1") = "6"
    & skf21("2","4","5","7","7","5","4","1") = "6"
    & skf21("2","4","5","7","7","5","5","1") = "6"
    & skf21("2","4","5","7","7","5","6","1") = "6"
    & skf21("2","4","5","7","7","5","7","1") = "6"
    & skf21("2","4","5","7","7","6","1","1") = "6"
    & skf21("2","4","5","7","7","6","2","1") = "6"
    & skf21("2","4","5","7","7","6","3","1") = "6"
    & skf21("2","4","5","7","7","6","4","1") = "6"
    & skf21("2","4","5","7","7","6","5","1") = "6"
    & skf21("2","4","5","7","7","6","6","1") = "6"
    & skf21("2","4","5","7","7","6","7","1") = "6"
    & skf21("2","4","5","7","7","7","1","1") = "6"
    & skf21("2","4","5","7","7","7","2","1") = "6"
    & skf21("2","4","5","7","7","7","3","1") = "6"
    & skf21("2","4","5","7","7","7","4","1") = "6"
    & skf21("2","4","5","7","7","7","5","1") = "6"
    & skf21("2","4","5","7","7","7","6","1") = "6"
    & skf21("2","4","5","7","7","7","7","1") = "6"
    & skf21("2","4","6","1","1","1","1","1") = "5"
    & skf21("2","4","6","1","1","1","2","1") = "5"
    & skf21("2","4","6","1","1","1","3","1") = "5"
    & skf21("2","4","6","1","1","1","4","1") = "5"
    & skf21("2","4","6","1","1","1","5","1") = "5"
    & skf21("2","4","6","1","1","1","6","1") = "5"
    & skf21("2","4","6","1","1","1","7","1") = "6"
    & skf21("2","4","6","1","1","2","1","1") = "5"
    & skf21("2","4","6","1","1","2","2","1") = "5"
    & skf21("2","4","6","1","1","2","3","1") = "5"
    & skf21("2","4","6","1","1","2","4","1") = "5"
    & skf21("2","4","6","1","1","2","5","1") = "5"
    & skf21("2","4","6","1","1","2","6","1") = "5"
    & skf21("2","4","6","1","1","2","7","1") = "6"
    & skf21("2","4","6","1","1","3","1","1") = "5"
    & skf21("2","4","6","1","1","3","2","1") = "5"
    & skf21("2","4","6","1","1","3","3","1") = "5"
    & skf21("2","4","6","1","1","3","4","1") = "5"
    & skf21("2","4","6","1","1","3","5","1") = "5"
    & skf21("2","4","6","1","1","3","6","1") = "5"
    & skf21("2","4","6","1","1","3","7","1") = "6"
    & skf21("2","4","6","1","1","4","1","1") = "5"
    & skf21("2","4","6","1","1","4","2","1") = "5"
    & skf21("2","4","6","1","1","4","3","1") = "5"
    & skf21("2","4","6","1","1","4","4","1") = "5"
    & skf21("2","4","6","1","1","4","5","1") = "5"
    & skf21("2","4","6","1","1","4","6","1") = "5"
    & skf21("2","4","6","1","1","4","7","1") = "6"
    & skf21("2","4","6","1","1","5","1","1") = "5"
    & skf21("2","4","6","1","1","5","2","1") = "5"
    & skf21("2","4","6","1","1","5","3","1") = "5"
    & skf21("2","4","6","1","1","5","4","1") = "5"
    & skf21("2","4","6","1","1","5","5","1") = "5"
    & skf21("2","4","6","1","1","5","6","1") = "5"
    & skf21("2","4","6","1","1","5","7","1") = "6"
    & skf21("2","4","6","1","1","6","1","1") = "5"
    & skf21("2","4","6","1","1","6","2","1") = "5"
    & skf21("2","4","6","1","1","6","3","1") = "5"
    & skf21("2","4","6","1","1","6","4","1") = "5"
    & skf21("2","4","6","1","1","6","5","1") = "5"
    & skf21("2","4","6","1","1","6","6","1") = "5"
    & skf21("2","4","6","1","1","6","7","1") = "6"
    & skf21("2","4","6","1","1","7","1","1") = "6"
    & skf21("2","4","6","1","1","7","2","1") = "6"
    & skf21("2","4","6","1","1","7","3","1") = "6"
    & skf21("2","4","6","1","1","7","4","1") = "6"
    & skf21("2","4","6","1","1","7","5","1") = "6"
    & skf21("2","4","6","1","1","7","6","1") = "6"
    & skf21("2","4","6","1","1","7","7","1") = "6"
    & skf21("2","4","6","1","2","1","1","1") = "5"
    & skf21("2","4","6","1","2","1","2","1") = "5"
    & skf21("2","4","6","1","2","1","3","1") = "5"
    & skf21("2","4","6","1","2","1","4","1") = "5"
    & skf21("2","4","6","1","2","1","5","1") = "5"
    & skf21("2","4","6","1","2","1","6","1") = "5"
    & skf21("2","4","6","1","2","1","7","1") = "6"
    & skf21("2","4","6","1","2","2","1","1") = "5"
    & skf21("2","4","6","1","2","2","2","1") = "5"
    & skf21("2","4","6","1","2","2","3","1") = "5"
    & skf21("2","4","6","1","2","2","4","1") = "5"
    & skf21("2","4","6","1","2","2","5","1") = "5"
    & skf21("2","4","6","1","2","2","6","1") = "5"
    & skf21("2","4","6","1","2","2","7","1") = "6"
    & skf21("2","4","6","1","2","3","1","1") = "5"
    & skf21("2","4","6","1","2","3","2","1") = "5"
    & skf21("2","4","6","1","2","3","3","1") = "5"
    & skf21("2","4","6","1","2","3","4","1") = "5"
    & skf21("2","4","6","1","2","3","5","1") = "5"
    & skf21("2","4","6","1","2","3","6","1") = "5"
    & skf21("2","4","6","1","2","3","7","1") = "6"
    & skf21("2","4","6","1","2","4","1","1") = "5"
    & skf21("2","4","6","1","2","4","2","1") = "5"
    & skf21("2","4","6","1","2","4","3","1") = "5"
    & skf21("2","4","6","1","2","4","4","1") = "5"
    & skf21("2","4","6","1","2","4","5","1") = "5"
    & skf21("2","4","6","1","2","4","6","1") = "5"
    & skf21("2","4","6","1","2","4","7","1") = "6"
    & skf21("2","4","6","1","2","5","1","1") = "5"
    & skf21("2","4","6","1","2","5","2","1") = "5"
    & skf21("2","4","6","1","2","5","3","1") = "5"
    & skf21("2","4","6","1","2","5","4","1") = "5"
    & skf21("2","4","6","1","2","5","5","1") = "5"
    & skf21("2","4","6","1","2","5","6","1") = "5"
    & skf21("2","4","6","1","2","5","7","1") = "6"
    & skf21("2","4","6","1","2","6","1","1") = "5"
    & skf21("2","4","6","1","2","6","2","1") = "5"
    & skf21("2","4","6","1","2","6","3","1") = "5"
    & skf21("2","4","6","1","2","6","4","1") = "5"
    & skf21("2","4","6","1","2","6","5","1") = "5"
    & skf21("2","4","6","1","2","6","6","1") = "5"
    & skf21("2","4","6","1","2","6","7","1") = "6"
    & skf21("2","4","6","1","2","7","1","1") = "6"
    & skf21("2","4","6","1","2","7","2","1") = "6"
    & skf21("2","4","6","1","2","7","3","1") = "6"
    & skf21("2","4","6","1","2","7","4","1") = "6"
    & skf21("2","4","6","1","2","7","5","1") = "6"
    & skf21("2","4","6","1","2","7","6","1") = "6"
    & skf21("2","4","6","1","2","7","7","1") = "6"
    & skf21("2","4","6","1","3","1","1","1") = "5"
    & skf21("2","4","6","1","3","1","2","1") = "5"
    & skf21("2","4","6","1","3","1","3","1") = "5"
    & skf21("2","4","6","1","3","1","4","1") = "5"
    & skf21("2","4","6","1","3","1","5","1") = "5"
    & skf21("2","4","6","1","3","1","6","1") = "5"
    & skf21("2","4","6","1","3","1","7","1") = "6"
    & skf21("2","4","6","1","3","2","1","1") = "5"
    & skf21("2","4","6","1","3","2","2","1") = "5"
    & skf21("2","4","6","1","3","2","3","1") = "5"
    & skf21("2","4","6","1","3","2","4","1") = "5"
    & skf21("2","4","6","1","3","2","5","1") = "5"
    & skf21("2","4","6","1","3","2","6","1") = "5"
    & skf21("2","4","6","1","3","2","7","1") = "6"
    & skf21("2","4","6","1","3","3","1","1") = "5"
    & skf21("2","4","6","1","3","3","2","1") = "5"
    & skf21("2","4","6","1","3","3","3","1") = "5"
    & skf21("2","4","6","1","3","3","4","1") = "5"
    & skf21("2","4","6","1","3","3","5","1") = "5"
    & skf21("2","4","6","1","3","3","6","1") = "5"
    & skf21("2","4","6","1","3","3","7","1") = "6"
    & skf21("2","4","6","1","3","4","1","1") = "5"
    & skf21("2","4","6","1","3","4","2","1") = "5"
    & skf21("2","4","6","1","3","4","3","1") = "5"
    & skf21("2","4","6","1","3","4","4","1") = "5"
    & skf21("2","4","6","1","3","4","5","1") = "5"
    & skf21("2","4","6","1","3","4","6","1") = "5"
    & skf21("2","4","6","1","3","4","7","1") = "6"
    & skf21("2","4","6","1","3","5","1","1") = "5"
    & skf21("2","4","6","1","3","5","2","1") = "5"
    & skf21("2","4","6","1","3","5","3","1") = "5"
    & skf21("2","4","6","1","3","5","4","1") = "5"
    & skf21("2","4","6","1","3","5","5","1") = "5"
    & skf21("2","4","6","1","3","5","6","1") = "5"
    & skf21("2","4","6","1","3","5","7","1") = "6"
    & skf21("2","4","6","1","3","6","1","1") = "5"
    & skf21("2","4","6","1","3","6","2","1") = "5"
    & skf21("2","4","6","1","3","6","3","1") = "5"
    & skf21("2","4","6","1","3","6","4","1") = "5"
    & skf21("2","4","6","1","3","6","5","1") = "5"
    & skf21("2","4","6","1","3","6","6","1") = "5"
    & skf21("2","4","6","1","3","6","7","1") = "6"
    & skf21("2","4","6","1","3","7","1","1") = "6"
    & skf21("2","4","6","1","3","7","2","1") = "6"
    & skf21("2","4","6","1","3","7","3","1") = "6"
    & skf21("2","4","6","1","3","7","4","1") = "6"
    & skf21("2","4","6","1","3","7","5","1") = "6"
    & skf21("2","4","6","1","3","7","6","1") = "6"
    & skf21("2","4","6","1","3","7","7","1") = "6"
    & skf21("2","4","6","1","4","1","1","1") = "5"
    & skf21("2","4","6","1","4","1","2","1") = "5"
    & skf21("2","4","6","1","4","1","3","1") = "5"
    & skf21("2","4","6","1","4","1","4","1") = "5"
    & skf21("2","4","6","1","4","1","5","1") = "5"
    & skf21("2","4","6","1","4","1","6","1") = "5"
    & skf21("2","4","6","1","4","1","7","1") = "6"
    & skf21("2","4","6","1","4","2","1","1") = "5"
    & skf21("2","4","6","1","4","2","2","1") = "5"
    & skf21("2","4","6","1","4","2","3","1") = "5"
    & skf21("2","4","6","1","4","2","4","1") = "5"
    & skf21("2","4","6","1","4","2","5","1") = "5"
    & skf21("2","4","6","1","4","2","6","1") = "5"
    & skf21("2","4","6","1","4","2","7","1") = "6"
    & skf21("2","4","6","1","4","3","1","1") = "5"
    & skf21("2","4","6","1","4","3","2","1") = "5"
    & skf21("2","4","6","1","4","3","3","1") = "5"
    & skf21("2","4","6","1","4","3","4","1") = "5"
    & skf21("2","4","6","1","4","3","5","1") = "5"
    & skf21("2","4","6","1","4","3","6","1") = "5"
    & skf21("2","4","6","1","4","3","7","1") = "6"
    & skf21("2","4","6","1","4","4","1","1") = "5"
    & skf21("2","4","6","1","4","4","2","1") = "5"
    & skf21("2","4","6","1","4","4","3","1") = "5"
    & skf21("2","4","6","1","4","4","4","1") = "5"
    & skf21("2","4","6","1","4","4","5","1") = "5"
    & skf21("2","4","6","1","4","4","6","1") = "5"
    & skf21("2","4","6","1","4","4","7","1") = "6"
    & skf21("2","4","6","1","4","5","1","1") = "5"
    & skf21("2","4","6","1","4","5","2","1") = "5"
    & skf21("2","4","6","1","4","5","3","1") = "5"
    & skf21("2","4","6","1","4","5","4","1") = "5"
    & skf21("2","4","6","1","4","5","5","1") = "5"
    & skf21("2","4","6","1","4","5","6","1") = "5"
    & skf21("2","4","6","1","4","5","7","1") = "6"
    & skf21("2","4","6","1","4","6","1","1") = "5"
    & skf21("2","4","6","1","4","6","2","1") = "5"
    & skf21("2","4","6","1","4","6","3","1") = "5"
    & skf21("2","4","6","1","4","6","4","1") = "5"
    & skf21("2","4","6","1","4","6","5","1") = "5"
    & skf21("2","4","6","1","4","6","6","1") = "5"
    & skf21("2","4","6","1","4","6","7","1") = "6"
    & skf21("2","4","6","1","4","7","1","1") = "6"
    & skf21("2","4","6","1","4","7","2","1") = "6"
    & skf21("2","4","6","1","4","7","3","1") = "6"
    & skf21("2","4","6","1","4","7","4","1") = "6"
    & skf21("2","4","6","1","4","7","5","1") = "6"
    & skf21("2","4","6","1","4","7","6","1") = "6"
    & skf21("2","4","6","1","4","7","7","1") = "6"
    & skf21("2","4","6","1","5","1","1","1") = "5"
    & skf21("2","4","6","1","5","1","2","1") = "5"
    & skf21("2","4","6","1","5","1","3","1") = "5"
    & skf21("2","4","6","1","5","1","4","1") = "5"
    & skf21("2","4","6","1","5","1","5","1") = "5"
    & skf21("2","4","6","1","5","1","6","1") = "5"
    & skf21("2","4","6","1","5","1","7","1") = "6"
    & skf21("2","4","6","1","5","2","1","1") = "5"
    & skf21("2","4","6","1","5","2","2","1") = "5"
    & skf21("2","4","6","1","5","2","3","1") = "5"
    & skf21("2","4","6","1","5","2","4","1") = "5"
    & skf21("2","4","6","1","5","2","5","1") = "5"
    & skf21("2","4","6","1","5","2","6","1") = "5"
    & skf21("2","4","6","1","5","2","7","1") = "6"
    & skf21("2","4","6","1","5","3","1","1") = "5"
    & skf21("2","4","6","1","5","3","2","1") = "5"
    & skf21("2","4","6","1","5","3","3","1") = "5"
    & skf21("2","4","6","1","5","3","4","1") = "5"
    & skf21("2","4","6","1","5","3","5","1") = "5"
    & skf21("2","4","6","1","5","3","6","1") = "5"
    & skf21("2","4","6","1","5","3","7","1") = "6"
    & skf21("2","4","6","1","5","4","1","1") = "5"
    & skf21("2","4","6","1","5","4","2","1") = "5"
    & skf21("2","4","6","1","5","4","3","1") = "5"
    & skf21("2","4","6","1","5","4","4","1") = "5"
    & skf21("2","4","6","1","5","4","5","1") = "5"
    & skf21("2","4","6","1","5","4","6","1") = "5"
    & skf21("2","4","6","1","5","4","7","1") = "6"
    & skf21("2","4","6","1","5","5","1","1") = "5"
    & skf21("2","4","6","1","5","5","2","1") = "5"
    & skf21("2","4","6","1","5","5","3","1") = "5"
    & skf21("2","4","6","1","5","5","4","1") = "5"
    & skf21("2","4","6","1","5","5","5","1") = "5"
    & skf21("2","4","6","1","5","5","6","1") = "5"
    & skf21("2","4","6","1","5","5","7","1") = "6"
    & skf21("2","4","6","1","5","6","1","1") = "5"
    & skf21("2","4","6","1","5","6","2","1") = "5"
    & skf21("2","4","6","1","5","6","3","1") = "5"
    & skf21("2","4","6","1","5","6","4","1") = "5"
    & skf21("2","4","6","1","5","6","5","1") = "5"
    & skf21("2","4","6","1","5","6","6","1") = "5"
    & skf21("2","4","6","1","5","6","7","1") = "6"
    & skf21("2","4","6","1","5","7","1","1") = "6"
    & skf21("2","4","6","1","5","7","2","1") = "6"
    & skf21("2","4","6","1","5","7","3","1") = "6"
    & skf21("2","4","6","1","5","7","4","1") = "6"
    & skf21("2","4","6","1","5","7","5","1") = "6"
    & skf21("2","4","6","1","5","7","6","1") = "6"
    & skf21("2","4","6","1","5","7","7","1") = "6"
    & skf21("2","4","6","1","6","1","1","1") = "5"
    & skf21("2","4","6","1","6","1","2","1") = "5"
    & skf21("2","4","6","1","6","1","3","1") = "5"
    & skf21("2","4","6","1","6","1","4","1") = "5"
    & skf21("2","4","6","1","6","1","5","1") = "5"
    & skf21("2","4","6","1","6","1","6","1") = "5"
    & skf21("2","4","6","1","6","1","7","1") = "6"
    & skf21("2","4","6","1","6","2","1","1") = "5"
    & skf21("2","4","6","1","6","2","2","1") = "5"
    & skf21("2","4","6","1","6","2","3","1") = "5"
    & skf21("2","4","6","1","6","2","4","1") = "5"
    & skf21("2","4","6","1","6","2","5","1") = "5"
    & skf21("2","4","6","1","6","2","6","1") = "5"
    & skf21("2","4","6","1","6","2","7","1") = "6"
    & skf21("2","4","6","1","6","3","1","1") = "5"
    & skf21("2","4","6","1","6","3","2","1") = "5"
    & skf21("2","4","6","1","6","3","3","1") = "5"
    & skf21("2","4","6","1","6","3","4","1") = "5"
    & skf21("2","4","6","1","6","3","5","1") = "5"
    & skf21("2","4","6","1","6","3","6","1") = "5"
    & skf21("2","4","6","1","6","3","7","1") = "6"
    & skf21("2","4","6","1","6","4","1","1") = "5"
    & skf21("2","4","6","1","6","4","2","1") = "5"
    & skf21("2","4","6","1","6","4","3","1") = "5"
    & skf21("2","4","6","1","6","4","4","1") = "5"
    & skf21("2","4","6","1","6","4","5","1") = "5"
    & skf21("2","4","6","1","6","4","6","1") = "5"
    & skf21("2","4","6","1","6","4","7","1") = "6"
    & skf21("2","4","6","1","6","5","1","1") = "5"
    & skf21("2","4","6","1","6","5","2","1") = "5"
    & skf21("2","4","6","1","6","5","3","1") = "5"
    & skf21("2","4","6","1","6","5","4","1") = "5"
    & skf21("2","4","6","1","6","5","5","1") = "5"
    & skf21("2","4","6","1","6","5","6","1") = "5"
    & skf21("2","4","6","1","6","5","7","1") = "6"
    & skf21("2","4","6","1","6","6","1","1") = "5"
    & skf21("2","4","6","1","6","6","2","1") = "5"
    & skf21("2","4","6","1","6","6","3","1") = "5"
    & skf21("2","4","6","1","6","6","4","1") = "5"
    & skf21("2","4","6","1","6","6","5","1") = "5"
    & skf21("2","4","6","1","6","6","6","1") = "5"
    & skf21("2","4","6","1","6","6","7","1") = "6"
    & skf21("2","4","6","1","6","7","1","1") = "6"
    & skf21("2","4","6","1","6","7","2","1") = "6"
    & skf21("2","4","6","1","6","7","3","1") = "6"
    & skf21("2","4","6","1","6","7","4","1") = "6"
    & skf21("2","4","6","1","6","7","5","1") = "6"
    & skf21("2","4","6","1","6","7","6","1") = "6"
    & skf21("2","4","6","1","6","7","7","1") = "6"
    & skf21("2","4","6","1","7","1","1","1") = "6"
    & skf21("2","4","6","1","7","1","2","1") = "6"
    & skf21("2","4","6","1","7","1","3","1") = "6"
    & skf21("2","4","6","1","7","1","4","1") = "6"
    & skf21("2","4","6","1","7","1","5","1") = "6"
    & skf21("2","4","6","1","7","1","6","1") = "6"
    & skf21("2","4","6","1","7","1","7","1") = "6"
    & skf21("2","4","6","1","7","2","1","1") = "6"
    & skf21("2","4","6","1","7","2","2","1") = "6"
    & skf21("2","4","6","1","7","2","3","1") = "6"
    & skf21("2","4","6","1","7","2","4","1") = "6"
    & skf21("2","4","6","1","7","2","5","1") = "6"
    & skf21("2","4","6","1","7","2","6","1") = "6"
    & skf21("2","4","6","1","7","2","7","1") = "6"
    & skf21("2","4","6","1","7","3","1","1") = "6"
    & skf21("2","4","6","1","7","3","2","1") = "6"
    & skf21("2","4","6","1","7","3","3","1") = "6"
    & skf21("2","4","6","1","7","3","4","1") = "6"
    & skf21("2","4","6","1","7","3","5","1") = "6"
    & skf21("2","4","6","1","7","3","6","1") = "6"
    & skf21("2","4","6","1","7","3","7","1") = "6"
    & skf21("2","4","6","1","7","4","1","1") = "6"
    & skf21("2","4","6","1","7","4","2","1") = "6"
    & skf21("2","4","6","1","7","4","3","1") = "6"
    & skf21("2","4","6","1","7","4","4","1") = "6"
    & skf21("2","4","6","1","7","4","5","1") = "6"
    & skf21("2","4","6","1","7","4","6","1") = "6"
    & skf21("2","4","6","1","7","4","7","1") = "6"
    & skf21("2","4","6","1","7","5","1","1") = "6"
    & skf21("2","4","6","1","7","5","2","1") = "6"
    & skf21("2","4","6","1","7","5","3","1") = "6"
    & skf21("2","4","6","1","7","5","4","1") = "6"
    & skf21("2","4","6","1","7","5","5","1") = "6"
    & skf21("2","4","6","1","7","5","6","1") = "6"
    & skf21("2","4","6","1","7","5","7","1") = "6"
    & skf21("2","4","6","1","7","6","1","1") = "6"
    & skf21("2","4","6","1","7","6","2","1") = "6"
    & skf21("2","4","6","1","7","6","3","1") = "6"
    & skf21("2","4","6","1","7","6","4","1") = "6"
    & skf21("2","4","6","1","7","6","5","1") = "6"
    & skf21("2","4","6","1","7","6","6","1") = "6"
    & skf21("2","4","6","1","7","6","7","1") = "6"
    & skf21("2","4","6","1","7","7","1","1") = "6"
    & skf21("2","4","6","1","7","7","2","1") = "6"
    & skf21("2","4","6","1","7","7","3","1") = "6"
    & skf21("2","4","6","1","7","7","4","1") = "6"
    & skf21("2","4","6","1","7","7","5","1") = "6"
    & skf21("2","4","6","1","7","7","6","1") = "6"
    & skf21("2","4","6","1","7","7","7","1") = "6"
    & skf21("2","4","6","2","1","1","1","1") = "5"
    & skf21("2","4","6","2","1","1","2","1") = "5"
    & skf21("2","4","6","2","1","1","3","1") = "5"
    & skf21("2","4","6","2","1","1","4","1") = "5"
    & skf21("2","4","6","2","1","1","5","1") = "5"
    & skf21("2","4","6","2","1","1","6","1") = "5"
    & skf21("2","4","6","2","1","1","7","1") = "6"
    & skf21("2","4","6","2","1","2","1","1") = "5"
    & skf21("2","4","6","2","1","2","2","1") = "5"
    & skf21("2","4","6","2","1","2","3","1") = "5"
    & skf21("2","4","6","2","1","2","4","1") = "5"
    & skf21("2","4","6","2","1","2","5","1") = "5"
    & skf21("2","4","6","2","1","2","6","1") = "5"
    & skf21("2","4","6","2","1","2","7","1") = "6"
    & skf21("2","4","6","2","1","3","1","1") = "5"
    & skf21("2","4","6","2","1","3","2","1") = "5"
    & skf21("2","4","6","2","1","3","3","1") = "5"
    & skf21("2","4","6","2","1","3","4","1") = "5"
    & skf21("2","4","6","2","1","3","5","1") = "5"
    & skf21("2","4","6","2","1","3","6","1") = "5"
    & skf21("2","4","6","2","1","3","7","1") = "6"
    & skf21("2","4","6","2","1","4","1","1") = "5"
    & skf21("2","4","6","2","1","4","2","1") = "5"
    & skf21("2","4","6","2","1","4","3","1") = "5"
    & skf21("2","4","6","2","1","4","4","1") = "5"
    & skf21("2","4","6","2","1","4","5","1") = "5"
    & skf21("2","4","6","2","1","4","6","1") = "5"
    & skf21("2","4","6","2","1","4","7","1") = "6"
    & skf21("2","4","6","2","1","5","1","1") = "5"
    & skf21("2","4","6","2","1","5","2","1") = "5"
    & skf21("2","4","6","2","1","5","3","1") = "5"
    & skf21("2","4","6","2","1","5","4","1") = "5"
    & skf21("2","4","6","2","1","5","5","1") = "5"
    & skf21("2","4","6","2","1","5","6","1") = "5"
    & skf21("2","4","6","2","1","5","7","1") = "6"
    & skf21("2","4","6","2","1","6","1","1") = "5"
    & skf21("2","4","6","2","1","6","2","1") = "5"
    & skf21("2","4","6","2","1","6","3","1") = "5"
    & skf21("2","4","6","2","1","6","4","1") = "5"
    & skf21("2","4","6","2","1","6","5","1") = "5"
    & skf21("2","4","6","2","1","6","6","1") = "5"
    & skf21("2","4","6","2","1","6","7","1") = "6"
    & skf21("2","4","6","2","1","7","1","1") = "6"
    & skf21("2","4","6","2","1","7","2","1") = "6"
    & skf21("2","4","6","2","1","7","3","1") = "6"
    & skf21("2","4","6","2","1","7","4","1") = "6"
    & skf21("2","4","6","2","1","7","5","1") = "6"
    & skf21("2","4","6","2","1","7","6","1") = "6"
    & skf21("2","4","6","2","1","7","7","1") = "6"
    & skf21("2","4","6","2","2","1","1","1") = "5"
    & skf21("2","4","6","2","2","1","2","1") = "5"
    & skf21("2","4","6","2","2","1","3","1") = "5"
    & skf21("2","4","6","2","2","1","4","1") = "5"
    & skf21("2","4","6","2","2","1","5","1") = "5"
    & skf21("2","4","6","2","2","1","6","1") = "5"
    & skf21("2","4","6","2","2","1","7","1") = "6"
    & skf21("2","4","6","2","2","2","1","1") = "5"
    & skf21("2","4","6","2","2","2","2","1") = "5"
    & skf21("2","4","6","2","2","2","3","1") = "5"
    & skf21("2","4","6","2","2","2","4","1") = "5"
    & skf21("2","4","6","2","2","2","5","1") = "5"
    & skf21("2","4","6","2","2","2","6","1") = "5"
    & skf21("2","4","6","2","2","2","7","1") = "6"
    & skf21("2","4","6","2","2","3","1","1") = "5"
    & skf21("2","4","6","2","2","3","2","1") = "5"
    & skf21("2","4","6","2","2","3","3","1") = "5"
    & skf21("2","4","6","2","2","3","4","1") = "5"
    & skf21("2","4","6","2","2","3","5","1") = "5"
    & skf21("2","4","6","2","2","3","6","1") = "5"
    & skf21("2","4","6","2","2","3","7","1") = "6"
    & skf21("2","4","6","2","2","4","1","1") = "5"
    & skf21("2","4","6","2","2","4","2","1") = "5"
    & skf21("2","4","6","2","2","4","3","1") = "5"
    & skf21("2","4","6","2","2","4","4","1") = "5"
    & skf21("2","4","6","2","2","4","5","1") = "5"
    & skf21("2","4","6","2","2","4","6","1") = "5"
    & skf21("2","4","6","2","2","4","7","1") = "6"
    & skf21("2","4","6","2","2","5","1","1") = "5"
    & skf21("2","4","6","2","2","5","2","1") = "5"
    & skf21("2","4","6","2","2","5","3","1") = "5"
    & skf21("2","4","6","2","2","5","4","1") = "5"
    & skf21("2","4","6","2","2","5","5","1") = "5"
    & skf21("2","4","6","2","2","5","6","1") = "5"
    & skf21("2","4","6","2","2","5","7","1") = "6"
    & skf21("2","4","6","2","2","6","1","1") = "5"
    & skf21("2","4","6","2","2","6","2","1") = "5"
    & skf21("2","4","6","2","2","6","3","1") = "5"
    & skf21("2","4","6","2","2","6","4","1") = "5"
    & skf21("2","4","6","2","2","6","5","1") = "5"
    & skf21("2","4","6","2","2","6","6","1") = "5"
    & skf21("2","4","6","2","2","6","7","1") = "6"
    & skf21("2","4","6","2","2","7","1","1") = "6"
    & skf21("2","4","6","2","2","7","2","1") = "6"
    & skf21("2","4","6","2","2","7","3","1") = "6"
    & skf21("2","4","6","2","2","7","4","1") = "6"
    & skf21("2","4","6","2","2","7","5","1") = "6"
    & skf21("2","4","6","2","2","7","6","1") = "6"
    & skf21("2","4","6","2","2","7","7","1") = "6"
    & skf21("2","4","6","2","3","1","1","1") = "5"
    & skf21("2","4","6","2","3","1","2","1") = "5"
    & skf21("2","4","6","2","3","1","3","1") = "5"
    & skf21("2","4","6","2","3","1","4","1") = "5"
    & skf21("2","4","6","2","3","1","5","1") = "5"
    & skf21("2","4","6","2","3","1","6","1") = "5"
    & skf21("2","4","6","2","3","1","7","1") = "6"
    & skf21("2","4","6","2","3","2","1","1") = "5"
    & skf21("2","4","6","2","3","2","2","1") = "5"
    & skf21("2","4","6","2","3","2","3","1") = "5"
    & skf21("2","4","6","2","3","2","4","1") = "5"
    & skf21("2","4","6","2","3","2","5","1") = "5"
    & skf21("2","4","6","2","3","2","6","1") = "5"
    & skf21("2","4","6","2","3","2","7","1") = "6"
    & skf21("2","4","6","2","3","3","1","1") = "5"
    & skf21("2","4","6","2","3","3","2","1") = "5"
    & skf21("2","4","6","2","3","3","3","1") = "5"
    & skf21("2","4","6","2","3","3","4","1") = "5"
    & skf21("2","4","6","2","3","3","5","1") = "5"
    & skf21("2","4","6","2","3","3","6","1") = "5"
    & skf21("2","4","6","2","3","3","7","1") = "6"
    & skf21("2","4","6","2","3","4","1","1") = "5"
    & skf21("2","4","6","2","3","4","2","1") = "5"
    & skf21("2","4","6","2","3","4","3","1") = "5"
    & skf21("2","4","6","2","3","4","4","1") = "5"
    & skf21("2","4","6","2","3","4","5","1") = "5"
    & skf21("2","4","6","2","3","4","6","1") = "5"
    & skf21("2","4","6","2","3","4","7","1") = "6"
    & skf21("2","4","6","2","3","5","1","1") = "5"
    & skf21("2","4","6","2","3","5","2","1") = "5"
    & skf21("2","4","6","2","3","5","3","1") = "5"
    & skf21("2","4","6","2","3","5","4","1") = "5"
    & skf21("2","4","6","2","3","5","5","1") = "5"
    & skf21("2","4","6","2","3","5","6","1") = "5"
    & skf21("2","4","6","2","3","5","7","1") = "6"
    & skf21("2","4","6","2","3","6","1","1") = "5"
    & skf21("2","4","6","2","3","6","2","1") = "5"
    & skf21("2","4","6","2","3","6","3","1") = "5"
    & skf21("2","4","6","2","3","6","4","1") = "5"
    & skf21("2","4","6","2","3","6","5","1") = "5"
    & skf21("2","4","6","2","3","6","6","1") = "5"
    & skf21("2","4","6","2","3","6","7","1") = "6"
    & skf21("2","4","6","2","3","7","1","1") = "6"
    & skf21("2","4","6","2","3","7","2","1") = "6"
    & skf21("2","4","6","2","3","7","3","1") = "6"
    & skf21("2","4","6","2","3","7","4","1") = "6"
    & skf21("2","4","6","2","3","7","5","1") = "6"
    & skf21("2","4","6","2","3","7","6","1") = "6"
    & skf21("2","4","6","2","3","7","7","1") = "6"
    & skf21("2","4","6","2","4","1","1","1") = "5"
    & skf21("2","4","6","2","4","1","2","1") = "5"
    & skf21("2","4","6","2","4","1","3","1") = "5"
    & skf21("2","4","6","2","4","1","4","1") = "5"
    & skf21("2","4","6","2","4","1","5","1") = "5"
    & skf21("2","4","6","2","4","1","6","1") = "5"
    & skf21("2","4","6","2","4","1","7","1") = "6"
    & skf21("2","4","6","2","4","2","1","1") = "5"
    & skf21("2","4","6","2","4","2","2","1") = "5"
    & skf21("2","4","6","2","4","2","3","1") = "5"
    & skf21("2","4","6","2","4","2","4","1") = "5"
    & skf21("2","4","6","2","4","2","5","1") = "5"
    & skf21("2","4","6","2","4","2","6","1") = "5"
    & skf21("2","4","6","2","4","2","7","1") = "6"
    & skf21("2","4","6","2","4","3","1","1") = "5"
    & skf21("2","4","6","2","4","3","2","1") = "5"
    & skf21("2","4","6","2","4","3","3","1") = "5"
    & skf21("2","4","6","2","4","3","4","1") = "5"
    & skf21("2","4","6","2","4","3","5","1") = "5"
    & skf21("2","4","6","2","4","3","6","1") = "5"
    & skf21("2","4","6","2","4","3","7","1") = "6"
    & skf21("2","4","6","2","4","4","1","1") = "5"
    & skf21("2","4","6","2","4","4","2","1") = "5"
    & skf21("2","4","6","2","4","4","3","1") = "5"
    & skf21("2","4","6","2","4","4","4","1") = "5"
    & skf21("2","4","6","2","4","4","5","1") = "5"
    & skf21("2","4","6","2","4","4","6","1") = "5"
    & skf21("2","4","6","2","4","4","7","1") = "6"
    & skf21("2","4","6","2","4","5","1","1") = "5"
    & skf21("2","4","6","2","4","5","2","1") = "5"
    & skf21("2","4","6","2","4","5","3","1") = "5"
    & skf21("2","4","6","2","4","5","4","1") = "5"
    & skf21("2","4","6","2","4","5","5","1") = "5"
    & skf21("2","4","6","2","4","5","6","1") = "5"
    & skf21("2","4","6","2","4","5","7","1") = "6"
    & skf21("2","4","6","2","4","6","1","1") = "5"
    & skf21("2","4","6","2","4","6","2","1") = "5"
    & skf21("2","4","6","2","4","6","3","1") = "5"
    & skf21("2","4","6","2","4","6","4","1") = "5"
    & skf21("2","4","6","2","4","6","5","1") = "5"
    & skf21("2","4","6","2","4","6","6","1") = "5"
    & skf21("2","4","6","2","4","6","7","1") = "6"
    & skf21("2","4","6","2","4","7","1","1") = "6"
    & skf21("2","4","6","2","4","7","2","1") = "6"
    & skf21("2","4","6","2","4","7","3","1") = "6"
    & skf21("2","4","6","2","4","7","4","1") = "6"
    & skf21("2","4","6","2","4","7","5","1") = "6"
    & skf21("2","4","6","2","4","7","6","1") = "6"
    & skf21("2","4","6","2","4","7","7","1") = "6"
    & skf21("2","4","6","2","5","1","1","1") = "5"
    & skf21("2","4","6","2","5","1","2","1") = "5"
    & skf21("2","4","6","2","5","1","3","1") = "5"
    & skf21("2","4","6","2","5","1","4","1") = "5"
    & skf21("2","4","6","2","5","1","5","1") = "5"
    & skf21("2","4","6","2","5","1","6","1") = "5"
    & skf21("2","4","6","2","5","1","7","1") = "6"
    & skf21("2","4","6","2","5","2","1","1") = "5"
    & skf21("2","4","6","2","5","2","2","1") = "5"
    & skf21("2","4","6","2","5","2","3","1") = "5"
    & skf21("2","4","6","2","5","2","4","1") = "5"
    & skf21("2","4","6","2","5","2","5","1") = "5"
    & skf21("2","4","6","2","5","2","6","1") = "5"
    & skf21("2","4","6","2","5","2","7","1") = "6"
    & skf21("2","4","6","2","5","3","1","1") = "5"
    & skf21("2","4","6","2","5","3","2","1") = "5"
    & skf21("2","4","6","2","5","3","3","1") = "5"
    & skf21("2","4","6","2","5","3","4","1") = "5"
    & skf21("2","4","6","2","5","3","5","1") = "5"
    & skf21("2","4","6","2","5","3","6","1") = "5"
    & skf21("2","4","6","2","5","3","7","1") = "6"
    & skf21("2","4","6","2","5","4","1","1") = "5"
    & skf21("2","4","6","2","5","4","2","1") = "5"
    & skf21("2","4","6","2","5","4","3","1") = "5"
    & skf21("2","4","6","2","5","4","4","1") = "5"
    & skf21("2","4","6","2","5","4","5","1") = "5"
    & skf21("2","4","6","2","5","4","6","1") = "5"
    & skf21("2","4","6","2","5","4","7","1") = "6"
    & skf21("2","4","6","2","5","5","1","1") = "5"
    & skf21("2","4","6","2","5","5","2","1") = "5"
    & skf21("2","4","6","2","5","5","3","1") = "5"
    & skf21("2","4","6","2","5","5","4","1") = "5"
    & skf21("2","4","6","2","5","5","5","1") = "5"
    & skf21("2","4","6","2","5","5","6","1") = "5"
    & skf21("2","4","6","2","5","5","7","1") = "6"
    & skf21("2","4","6","2","5","6","1","1") = "5"
    & skf21("2","4","6","2","5","6","2","1") = "5"
    & skf21("2","4","6","2","5","6","3","1") = "5"
    & skf21("2","4","6","2","5","6","4","1") = "5"
    & skf21("2","4","6","2","5","6","5","1") = "5"
    & skf21("2","4","6","2","5","6","6","1") = "5"
    & skf21("2","4","6","2","5","6","7","1") = "6"
    & skf21("2","4","6","2","5","7","1","1") = "6"
    & skf21("2","4","6","2","5","7","2","1") = "6"
    & skf21("2","4","6","2","5","7","3","1") = "6"
    & skf21("2","4","6","2","5","7","4","1") = "6"
    & skf21("2","4","6","2","5","7","5","1") = "6"
    & skf21("2","4","6","2","5","7","6","1") = "6"
    & skf21("2","4","6","2","5","7","7","1") = "6"
    & skf21("2","4","6","2","6","1","1","1") = "5"
    & skf21("2","4","6","2","6","1","2","1") = "5"
    & skf21("2","4","6","2","6","1","3","1") = "5"
    & skf21("2","4","6","2","6","1","4","1") = "5"
    & skf21("2","4","6","2","6","1","5","1") = "5"
    & skf21("2","4","6","2","6","1","6","1") = "5"
    & skf21("2","4","6","2","6","1","7","1") = "6"
    & skf21("2","4","6","2","6","2","1","1") = "5"
    & skf21("2","4","6","2","6","2","2","1") = "5"
    & skf21("2","4","6","2","6","2","3","1") = "5"
    & skf21("2","4","6","2","6","2","4","1") = "5"
    & skf21("2","4","6","2","6","2","5","1") = "5"
    & skf21("2","4","6","2","6","2","6","1") = "5"
    & skf21("2","4","6","2","6","2","7","1") = "6"
    & skf21("2","4","6","2","6","3","1","1") = "5"
    & skf21("2","4","6","2","6","3","2","1") = "5"
    & skf21("2","4","6","2","6","3","3","1") = "5"
    & skf21("2","4","6","2","6","3","4","1") = "5"
    & skf21("2","4","6","2","6","3","5","1") = "5"
    & skf21("2","4","6","2","6","3","6","1") = "5"
    & skf21("2","4","6","2","6","3","7","1") = "6"
    & skf21("2","4","6","2","6","4","1","1") = "5"
    & skf21("2","4","6","2","6","4","2","1") = "5"
    & skf21("2","4","6","2","6","4","3","1") = "5"
    & skf21("2","4","6","2","6","4","4","1") = "5"
    & skf21("2","4","6","2","6","4","5","1") = "5"
    & skf21("2","4","6","2","6","4","6","1") = "5"
    & skf21("2","4","6","2","6","4","7","1") = "6"
    & skf21("2","4","6","2","6","5","1","1") = "5"
    & skf21("2","4","6","2","6","5","2","1") = "5"
    & skf21("2","4","6","2","6","5","3","1") = "5"
    & skf21("2","4","6","2","6","5","4","1") = "5"
    & skf21("2","4","6","2","6","5","5","1") = "5"
    & skf21("2","4","6","2","6","5","6","1") = "5"
    & skf21("2","4","6","2","6","5","7","1") = "6"
    & skf21("2","4","6","2","6","6","1","1") = "5"
    & skf21("2","4","6","2","6","6","2","1") = "5"
    & skf21("2","4","6","2","6","6","3","1") = "5"
    & skf21("2","4","6","2","6","6","4","1") = "5"
    & skf21("2","4","6","2","6","6","5","1") = "5"
    & skf21("2","4","6","2","6","6","6","1") = "5"
    & skf21("2","4","6","2","6","6","7","1") = "6"
    & skf21("2","4","6","2","6","7","1","1") = "6"
    & skf21("2","4","6","2","6","7","2","1") = "6"
    & skf21("2","4","6","2","6","7","3","1") = "6"
    & skf21("2","4","6","2","6","7","4","1") = "6"
    & skf21("2","4","6","2","6","7","5","1") = "6"
    & skf21("2","4","6","2","6","7","6","1") = "6"
    & skf21("2","4","6","2","6","7","7","1") = "6"
    & skf21("2","4","6","2","7","1","1","1") = "6"
    & skf21("2","4","6","2","7","1","2","1") = "6"
    & skf21("2","4","6","2","7","1","3","1") = "6"
    & skf21("2","4","6","2","7","1","4","1") = "6"
    & skf21("2","4","6","2","7","1","5","1") = "6"
    & skf21("2","4","6","2","7","1","6","1") = "6"
    & skf21("2","4","6","2","7","1","7","1") = "6"
    & skf21("2","4","6","2","7","2","1","1") = "6"
    & skf21("2","4","6","2","7","2","2","1") = "6"
    & skf21("2","4","6","2","7","2","3","1") = "6"
    & skf21("2","4","6","2","7","2","4","1") = "6"
    & skf21("2","4","6","2","7","2","5","1") = "6"
    & skf21("2","4","6","2","7","2","6","1") = "6"
    & skf21("2","4","6","2","7","2","7","1") = "6"
    & skf21("2","4","6","2","7","3","1","1") = "6"
    & skf21("2","4","6","2","7","3","2","1") = "6"
    & skf21("2","4","6","2","7","3","3","1") = "6"
    & skf21("2","4","6","2","7","3","4","1") = "6"
    & skf21("2","4","6","2","7","3","5","1") = "6"
    & skf21("2","4","6","2","7","3","6","1") = "6"
    & skf21("2","4","6","2","7","3","7","1") = "6"
    & skf21("2","4","6","2","7","4","1","1") = "6"
    & skf21("2","4","6","2","7","4","2","1") = "6"
    & skf21("2","4","6","2","7","4","3","1") = "6"
    & skf21("2","4","6","2","7","4","4","1") = "6"
    & skf21("2","4","6","2","7","4","5","1") = "6"
    & skf21("2","4","6","2","7","4","6","1") = "6"
    & skf21("2","4","6","2","7","4","7","1") = "6"
    & skf21("2","4","6","2","7","5","1","1") = "6"
    & skf21("2","4","6","2","7","5","2","1") = "6"
    & skf21("2","4","6","2","7","5","3","1") = "6"
    & skf21("2","4","6","2","7","5","4","1") = "6"
    & skf21("2","4","6","2","7","5","5","1") = "6"
    & skf21("2","4","6","2","7","5","6","1") = "6"
    & skf21("2","4","6","2","7","5","7","1") = "6"
    & skf21("2","4","6","2","7","6","1","1") = "6"
    & skf21("2","4","6","2","7","6","2","1") = "6"
    & skf21("2","4","6","2","7","6","3","1") = "6"
    & skf21("2","4","6","2","7","6","4","1") = "6"
    & skf21("2","4","6","2","7","6","5","1") = "6"
    & skf21("2","4","6","2","7","6","6","1") = "6"
    & skf21("2","4","6","2","7","6","7","1") = "6"
    & skf21("2","4","6","2","7","7","1","1") = "6"
    & skf21("2","4","6","2","7","7","2","1") = "6"
    & skf21("2","4","6","2","7","7","3","1") = "6"
    & skf21("2","4","6","2","7","7","4","1") = "6"
    & skf21("2","4","6","2","7","7","5","1") = "6"
    & skf21("2","4","6","2","7","7","6","1") = "6"
    & skf21("2","4","6","2","7","7","7","1") = "6"
    & skf21("2","4","6","3","1","1","1","1") = "5"
    & skf21("2","4","6","3","1","1","2","1") = "5"
    & skf21("2","4","6","3","1","1","3","1") = "5"
    & skf21("2","4","6","3","1","1","4","1") = "5"
    & skf21("2","4","6","3","1","1","5","1") = "5"
    & skf21("2","4","6","3","1","1","6","1") = "5"
    & skf21("2","4","6","3","1","1","7","1") = "6"
    & skf21("2","4","6","3","1","2","1","1") = "5"
    & skf21("2","4","6","3","1","2","2","1") = "5"
    & skf21("2","4","6","3","1","2","3","1") = "5"
    & skf21("2","4","6","3","1","2","4","1") = "5"
    & skf21("2","4","6","3","1","2","5","1") = "5"
    & skf21("2","4","6","3","1","2","6","1") = "5"
    & skf21("2","4","6","3","1","2","7","1") = "6"
    & skf21("2","4","6","3","1","3","1","1") = "5"
    & skf21("2","4","6","3","1","3","2","1") = "5"
    & skf21("2","4","6","3","1","3","3","1") = "5"
    & skf21("2","4","6","3","1","3","4","1") = "5"
    & skf21("2","4","6","3","1","3","5","1") = "5"
    & skf21("2","4","6","3","1","3","6","1") = "5"
    & skf21("2","4","6","3","1","3","7","1") = "6"
    & skf21("2","4","6","3","1","4","1","1") = "5"
    & skf21("2","4","6","3","1","4","2","1") = "5"
    & skf21("2","4","6","3","1","4","3","1") = "5"
    & skf21("2","4","6","3","1","4","4","1") = "5"
    & skf21("2","4","6","3","1","4","5","1") = "5"
    & skf21("2","4","6","3","1","4","6","1") = "5"
    & skf21("2","4","6","3","1","4","7","1") = "6"
    & skf21("2","4","6","3","1","5","1","1") = "5"
    & skf21("2","4","6","3","1","5","2","1") = "5"
    & skf21("2","4","6","3","1","5","3","1") = "5"
    & skf21("2","4","6","3","1","5","4","1") = "5"
    & skf21("2","4","6","3","1","5","5","1") = "5"
    & skf21("2","4","6","3","1","5","6","1") = "5"
    & skf21("2","4","6","3","1","5","7","1") = "6"
    & skf21("2","4","6","3","1","6","1","1") = "5"
    & skf21("2","4","6","3","1","6","2","1") = "5"
    & skf21("2","4","6","3","1","6","3","1") = "5"
    & skf21("2","4","6","3","1","6","4","1") = "5"
    & skf21("2","4","6","3","1","6","5","1") = "5"
    & skf21("2","4","6","3","1","6","6","1") = "5"
    & skf21("2","4","6","3","1","6","7","1") = "6"
    & skf21("2","4","6","3","1","7","1","1") = "6"
    & skf21("2","4","6","3","1","7","2","1") = "6"
    & skf21("2","4","6","3","1","7","3","1") = "6"
    & skf21("2","4","6","3","1","7","4","1") = "6"
    & skf21("2","4","6","3","1","7","5","1") = "6"
    & skf21("2","4","6","3","1","7","6","1") = "6"
    & skf21("2","4","6","3","1","7","7","1") = "6"
    & skf21("2","4","6","3","2","1","1","1") = "5"
    & skf21("2","4","6","3","2","1","2","1") = "5"
    & skf21("2","4","6","3","2","1","3","1") = "5"
    & skf21("2","4","6","3","2","1","4","1") = "5"
    & skf21("2","4","6","3","2","1","5","1") = "5"
    & skf21("2","4","6","3","2","1","6","1") = "5"
    & skf21("2","4","6","3","2","1","7","1") = "6"
    & skf21("2","4","6","3","2","2","1","1") = "5"
    & skf21("2","4","6","3","2","2","2","1") = "5"
    & skf21("2","4","6","3","2","2","3","1") = "5"
    & skf21("2","4","6","3","2","2","4","1") = "5"
    & skf21("2","4","6","3","2","2","5","1") = "5"
    & skf21("2","4","6","3","2","2","6","1") = "5"
    & skf21("2","4","6","3","2","2","7","1") = "6"
    & skf21("2","4","6","3","2","3","1","1") = "5"
    & skf21("2","4","6","3","2","3","2","1") = "5"
    & skf21("2","4","6","3","2","3","3","1") = "5"
    & skf21("2","4","6","3","2","3","4","1") = "5"
    & skf21("2","4","6","3","2","3","5","1") = "5"
    & skf21("2","4","6","3","2","3","6","1") = "5"
    & skf21("2","4","6","3","2","3","7","1") = "6"
    & skf21("2","4","6","3","2","4","1","1") = "5"
    & skf21("2","4","6","3","2","4","2","1") = "5"
    & skf21("2","4","6","3","2","4","3","1") = "5"
    & skf21("2","4","6","3","2","4","4","1") = "5"
    & skf21("2","4","6","3","2","4","5","1") = "5"
    & skf21("2","4","6","3","2","4","6","1") = "5"
    & skf21("2","4","6","3","2","4","7","1") = "6"
    & skf21("2","4","6","3","2","5","1","1") = "5"
    & skf21("2","4","6","3","2","5","2","1") = "5"
    & skf21("2","4","6","3","2","5","3","1") = "5"
    & skf21("2","4","6","3","2","5","4","1") = "5"
    & skf21("2","4","6","3","2","5","5","1") = "5"
    & skf21("2","4","6","3","2","5","6","1") = "5"
    & skf21("2","4","6","3","2","5","7","1") = "6"
    & skf21("2","4","6","3","2","6","1","1") = "5"
    & skf21("2","4","6","3","2","6","2","1") = "5"
    & skf21("2","4","6","3","2","6","3","1") = "5"
    & skf21("2","4","6","3","2","6","4","1") = "5"
    & skf21("2","4","6","3","2","6","5","1") = "5"
    & skf21("2","4","6","3","2","6","6","1") = "5"
    & skf21("2","4","6","3","2","6","7","1") = "6"
    & skf21("2","4","6","3","2","7","1","1") = "6"
    & skf21("2","4","6","3","2","7","2","1") = "6"
    & skf21("2","4","6","3","2","7","3","1") = "6"
    & skf21("2","4","6","3","2","7","4","1") = "6"
    & skf21("2","4","6","3","2","7","5","1") = "6"
    & skf21("2","4","6","3","2","7","6","1") = "6"
    & skf21("2","4","6","3","2","7","7","1") = "6"
    & skf21("2","4","6","3","3","1","1","1") = "5"
    & skf21("2","4","6","3","3","1","2","1") = "5"
    & skf21("2","4","6","3","3","1","3","1") = "5"
    & skf21("2","4","6","3","3","1","4","1") = "5"
    & skf21("2","4","6","3","3","1","5","1") = "5"
    & skf21("2","4","6","3","3","1","6","1") = "5"
    & skf21("2","4","6","3","3","1","7","1") = "6"
    & skf21("2","4","6","3","3","2","1","1") = "5"
    & skf21("2","4","6","3","3","2","2","1") = "5"
    & skf21("2","4","6","3","3","2","3","1") = "5"
    & skf21("2","4","6","3","3","2","4","1") = "5"
    & skf21("2","4","6","3","3","2","5","1") = "5"
    & skf21("2","4","6","3","3","2","6","1") = "5"
    & skf21("2","4","6","3","3","2","7","1") = "6"
    & skf21("2","4","6","3","3","3","1","1") = "5"
    & skf21("2","4","6","3","3","3","2","1") = "5"
    & skf21("2","4","6","3","3","3","3","1") = "5"
    & skf21("2","4","6","3","3","3","4","1") = "5"
    & skf21("2","4","6","3","3","3","5","1") = "5"
    & skf21("2","4","6","3","3","3","6","1") = "5"
    & skf21("2","4","6","3","3","3","7","1") = "6"
    & skf21("2","4","6","3","3","4","1","1") = "5"
    & skf21("2","4","6","3","3","4","2","1") = "5"
    & skf21("2","4","6","3","3","4","3","1") = "5"
    & skf21("2","4","6","3","3","4","4","1") = "5"
    & skf21("2","4","6","3","3","4","5","1") = "5"
    & skf21("2","4","6","3","3","4","6","1") = "5"
    & skf21("2","4","6","3","3","4","7","1") = "6"
    & skf21("2","4","6","3","3","5","1","1") = "5"
    & skf21("2","4","6","3","3","5","2","1") = "5"
    & skf21("2","4","6","3","3","5","3","1") = "5"
    & skf21("2","4","6","3","3","5","4","1") = "5"
    & skf21("2","4","6","3","3","5","5","1") = "5"
    & skf21("2","4","6","3","3","5","6","1") = "5"
    & skf21("2","4","6","3","3","5","7","1") = "6"
    & skf21("2","4","6","3","3","6","1","1") = "5"
    & skf21("2","4","6","3","3","6","2","1") = "5"
    & skf21("2","4","6","3","3","6","3","1") = "5"
    & skf21("2","4","6","3","3","6","4","1") = "5"
    & skf21("2","4","6","3","3","6","5","1") = "5"
    & skf21("2","4","6","3","3","6","6","1") = "5"
    & skf21("2","4","6","3","3","6","7","1") = "6"
    & skf21("2","4","6","3","3","7","1","1") = "6"
    & skf21("2","4","6","3","3","7","2","1") = "6"
    & skf21("2","4","6","3","3","7","3","1") = "6"
    & skf21("2","4","6","3","3","7","4","1") = "6"
    & skf21("2","4","6","3","3","7","5","1") = "6"
    & skf21("2","4","6","3","3","7","6","1") = "6"
    & skf21("2","4","6","3","3","7","7","1") = "6"
    & skf21("2","4","6","3","4","1","1","1") = "5"
    & skf21("2","4","6","3","4","1","2","1") = "5"
    & skf21("2","4","6","3","4","1","3","1") = "5"
    & skf21("2","4","6","3","4","1","4","1") = "5"
    & skf21("2","4","6","3","4","1","5","1") = "5"
    & skf21("2","4","6","3","4","1","6","1") = "5"
    & skf21("2","4","6","3","4","1","7","1") = "6"
    & skf21("2","4","6","3","4","2","1","1") = "5"
    & skf21("2","4","6","3","4","2","2","1") = "5"
    & skf21("2","4","6","3","4","2","3","1") = "5"
    & skf21("2","4","6","3","4","2","4","1") = "5"
    & skf21("2","4","6","3","4","2","5","1") = "5"
    & skf21("2","4","6","3","4","2","6","1") = "5"
    & skf21("2","4","6","3","4","2","7","1") = "6"
    & skf21("2","4","6","3","4","3","1","1") = "5"
    & skf21("2","4","6","3","4","3","2","1") = "5"
    & skf21("2","4","6","3","4","3","3","1") = "5"
    & skf21("2","4","6","3","4","3","4","1") = "5"
    & skf21("2","4","6","3","4","3","5","1") = "5"
    & skf21("2","4","6","3","4","3","6","1") = "5"
    & skf21("2","4","6","3","4","3","7","1") = "6"
    & skf21("2","4","6","3","4","4","1","1") = "5"
    & skf21("2","4","6","3","4","4","2","1") = "5"
    & skf21("2","4","6","3","4","4","3","1") = "5"
    & skf21("2","4","6","3","4","4","4","1") = "5"
    & skf21("2","4","6","3","4","4","5","1") = "5"
    & skf21("2","4","6","3","4","4","6","1") = "5"
    & skf21("2","4","6","3","4","4","7","1") = "6"
    & skf21("2","4","6","3","4","5","1","1") = "5"
    & skf21("2","4","6","3","4","5","2","1") = "5"
    & skf21("2","4","6","3","4","5","3","1") = "5"
    & skf21("2","4","6","3","4","5","4","1") = "5"
    & skf21("2","4","6","3","4","5","5","1") = "5"
    & skf21("2","4","6","3","4","5","6","1") = "5"
    & skf21("2","4","6","3","4","5","7","1") = "6"
    & skf21("2","4","6","3","4","6","1","1") = "5"
    & skf21("2","4","6","3","4","6","2","1") = "5"
    & skf21("2","4","6","3","4","6","3","1") = "5"
    & skf21("2","4","6","3","4","6","4","1") = "5"
    & skf21("2","4","6","3","4","6","5","1") = "5"
    & skf21("2","4","6","3","4","6","6","1") = "5"
    & skf21("2","4","6","3","4","6","7","1") = "6"
    & skf21("2","4","6","3","4","7","1","1") = "6"
    & skf21("2","4","6","3","4","7","2","1") = "6"
    & skf21("2","4","6","3","4","7","3","1") = "6"
    & skf21("2","4","6","3","4","7","4","1") = "6"
    & skf21("2","4","6","3","4","7","5","1") = "6"
    & skf21("2","4","6","3","4","7","6","1") = "6"
    & skf21("2","4","6","3","4","7","7","1") = "6"
    & skf21("2","4","6","3","5","1","1","1") = "5"
    & skf21("2","4","6","3","5","1","2","1") = "5"
    & skf21("2","4","6","3","5","1","3","1") = "5"
    & skf21("2","4","6","3","5","1","4","1") = "5"
    & skf21("2","4","6","3","5","1","5","1") = "5"
    & skf21("2","4","6","3","5","1","6","1") = "5"
    & skf21("2","4","6","3","5","1","7","1") = "6"
    & skf21("2","4","6","3","5","2","1","1") = "5"
    & skf21("2","4","6","3","5","2","2","1") = "5"
    & skf21("2","4","6","3","5","2","3","1") = "5"
    & skf21("2","4","6","3","5","2","4","1") = "5"
    & skf21("2","4","6","3","5","2","5","1") = "5"
    & skf21("2","4","6","3","5","2","6","1") = "5"
    & skf21("2","4","6","3","5","2","7","1") = "6"
    & skf21("2","4","6","3","5","3","1","1") = "5"
    & skf21("2","4","6","3","5","3","2","1") = "5"
    & skf21("2","4","6","3","5","3","3","1") = "5"
    & skf21("2","4","6","3","5","3","4","1") = "5"
    & skf21("2","4","6","3","5","3","5","1") = "5"
    & skf21("2","4","6","3","5","3","6","1") = "5"
    & skf21("2","4","6","3","5","3","7","1") = "6"
    & skf21("2","4","6","3","5","4","1","1") = "5"
    & skf21("2","4","6","3","5","4","2","1") = "5"
    & skf21("2","4","6","3","5","4","3","1") = "5"
    & skf21("2","4","6","3","5","4","4","1") = "5"
    & skf21("2","4","6","3","5","4","5","1") = "5"
    & skf21("2","4","6","3","5","4","6","1") = "5"
    & skf21("2","4","6","3","5","4","7","1") = "6"
    & skf21("2","4","6","3","5","5","1","1") = "5"
    & skf21("2","4","6","3","5","5","2","1") = "5"
    & skf21("2","4","6","3","5","5","3","1") = "5"
    & skf21("2","4","6","3","5","5","4","1") = "5"
    & skf21("2","4","6","3","5","5","5","1") = "5"
    & skf21("2","4","6","3","5","5","6","1") = "5"
    & skf21("2","4","6","3","5","5","7","1") = "6"
    & skf21("2","4","6","3","5","6","1","1") = "5"
    & skf21("2","4","6","3","5","6","2","1") = "5"
    & skf21("2","4","6","3","5","6","3","1") = "5"
    & skf21("2","4","6","3","5","6","4","1") = "5"
    & skf21("2","4","6","3","5","6","5","1") = "5"
    & skf21("2","4","6","3","5","6","6","1") = "5"
    & skf21("2","4","6","3","5","6","7","1") = "6"
    & skf21("2","4","6","3","5","7","1","1") = "6"
    & skf21("2","4","6","3","5","7","2","1") = "6"
    & skf21("2","4","6","3","5","7","3","1") = "6"
    & skf21("2","4","6","3","5","7","4","1") = "6"
    & skf21("2","4","6","3","5","7","5","1") = "6"
    & skf21("2","4","6","3","5","7","6","1") = "6"
    & skf21("2","4","6","3","5","7","7","1") = "6"
    & skf21("2","4","6","3","6","1","1","1") = "5"
    & skf21("2","4","6","3","6","1","2","1") = "5"
    & skf21("2","4","6","3","6","1","3","1") = "5"
    & skf21("2","4","6","3","6","1","4","1") = "5"
    & skf21("2","4","6","3","6","1","5","1") = "5"
    & skf21("2","4","6","3","6","1","6","1") = "5"
    & skf21("2","4","6","3","6","1","7","1") = "6"
    & skf21("2","4","6","3","6","2","1","1") = "5"
    & skf21("2","4","6","3","6","2","2","1") = "5"
    & skf21("2","4","6","3","6","2","3","1") = "5"
    & skf21("2","4","6","3","6","2","4","1") = "5"
    & skf21("2","4","6","3","6","2","5","1") = "5"
    & skf21("2","4","6","3","6","2","6","1") = "5"
    & skf21("2","4","6","3","6","2","7","1") = "6"
    & skf21("2","4","6","3","6","3","1","1") = "5"
    & skf21("2","4","6","3","6","3","2","1") = "5"
    & skf21("2","4","6","3","6","3","3","1") = "5"
    & skf21("2","4","6","3","6","3","4","1") = "5"
    & skf21("2","4","6","3","6","3","5","1") = "5"
    & skf21("2","4","6","3","6","3","6","1") = "5"
    & skf21("2","4","6","3","6","3","7","1") = "6"
    & skf21("2","4","6","3","6","4","1","1") = "5"
    & skf21("2","4","6","3","6","4","2","1") = "5"
    & skf21("2","4","6","3","6","4","3","1") = "5"
    & skf21("2","4","6","3","6","4","4","1") = "5"
    & skf21("2","4","6","3","6","4","5","1") = "5"
    & skf21("2","4","6","3","6","4","6","1") = "5"
    & skf21("2","4","6","3","6","4","7","1") = "6"
    & skf21("2","4","6","3","6","5","1","1") = "5"
    & skf21("2","4","6","3","6","5","2","1") = "5"
    & skf21("2","4","6","3","6","5","3","1") = "5"
    & skf21("2","4","6","3","6","5","4","1") = "5"
    & skf21("2","4","6","3","6","5","5","1") = "5"
    & skf21("2","4","6","3","6","5","6","1") = "5"
    & skf21("2","4","6","3","6","5","7","1") = "6"
    & skf21("2","4","6","3","6","6","1","1") = "5"
    & skf21("2","4","6","3","6","6","2","1") = "5"
    & skf21("2","4","6","3","6","6","3","1") = "5"
    & skf21("2","4","6","3","6","6","4","1") = "5"
    & skf21("2","4","6","3","6","6","5","1") = "5"
    & skf21("2","4","6","3","6","6","6","1") = "5"
    & skf21("2","4","6","3","6","6","7","1") = "6"
    & skf21("2","4","6","3","6","7","1","1") = "6"
    & skf21("2","4","6","3","6","7","2","1") = "6"
    & skf21("2","4","6","3","6","7","3","1") = "6"
    & skf21("2","4","6","3","6","7","4","1") = "6"
    & skf21("2","4","6","3","6","7","5","1") = "6"
    & skf21("2","4","6","3","6","7","6","1") = "6"
    & skf21("2","4","6","3","6","7","7","1") = "6"
    & skf21("2","4","6","3","7","1","1","1") = "6"
    & skf21("2","4","6","3","7","1","2","1") = "6"
    & skf21("2","4","6","3","7","1","3","1") = "6"
    & skf21("2","4","6","3","7","1","4","1") = "6"
    & skf21("2","4","6","3","7","1","5","1") = "6"
    & skf21("2","4","6","3","7","1","6","1") = "6"
    & skf21("2","4","6","3","7","1","7","1") = "6"
    & skf21("2","4","6","3","7","2","1","1") = "6"
    & skf21("2","4","6","3","7","2","2","1") = "6"
    & skf21("2","4","6","3","7","2","3","1") = "6"
    & skf21("2","4","6","3","7","2","4","1") = "6"
    & skf21("2","4","6","3","7","2","5","1") = "6"
    & skf21("2","4","6","3","7","2","6","1") = "6"
    & skf21("2","4","6","3","7","2","7","1") = "6"
    & skf21("2","4","6","3","7","3","1","1") = "6"
    & skf21("2","4","6","3","7","3","2","1") = "6"
    & skf21("2","4","6","3","7","3","3","1") = "6"
    & skf21("2","4","6","3","7","3","4","1") = "6"
    & skf21("2","4","6","3","7","3","5","1") = "6"
    & skf21("2","4","6","3","7","3","6","1") = "6"
    & skf21("2","4","6","3","7","3","7","1") = "6"
    & skf21("2","4","6","3","7","4","1","1") = "6"
    & skf21("2","4","6","3","7","4","2","1") = "6"
    & skf21("2","4","6","3","7","4","3","1") = "6"
    & skf21("2","4","6","3","7","4","4","1") = "6"
    & skf21("2","4","6","3","7","4","5","1") = "6"
    & skf21("2","4","6","3","7","4","6","1") = "6"
    & skf21("2","4","6","3","7","4","7","1") = "6"
    & skf21("2","4","6","3","7","5","1","1") = "6"
    & skf21("2","4","6","3","7","5","2","1") = "6"
    & skf21("2","4","6","3","7","5","3","1") = "6"
    & skf21("2","4","6","3","7","5","4","1") = "6"
    & skf21("2","4","6","3","7","5","5","1") = "6"
    & skf21("2","4","6","3","7","5","6","1") = "6"
    & skf21("2","4","6","3","7","5","7","1") = "6"
    & skf21("2","4","6","3","7","6","1","1") = "6"
    & skf21("2","4","6","3","7","6","2","1") = "6"
    & skf21("2","4","6","3","7","6","3","1") = "6"
    & skf21("2","4","6","3","7","6","4","1") = "6"
    & skf21("2","4","6","3","7","6","5","1") = "6"
    & skf21("2","4","6","3","7","6","6","1") = "6"
    & skf21("2","4","6","3","7","6","7","1") = "6"
    & skf21("2","4","6","3","7","7","1","1") = "6"
    & skf21("2","4","6","3","7","7","2","1") = "6"
    & skf21("2","4","6","3","7","7","3","1") = "6"
    & skf21("2","4","6","3","7","7","4","1") = "6"
    & skf21("2","4","6","3","7","7","5","1") = "6"
    & skf21("2","4","6","3","7","7","6","1") = "6"
    & skf21("2","4","6","3","7","7","7","1") = "6"
    & skf21("2","4","6","4","1","1","1","1") = "5"
    & skf21("2","4","6","4","1","1","2","1") = "5"
    & skf21("2","4","6","4","1","1","3","1") = "5"
    & skf21("2","4","6","4","1","1","4","1") = "5"
    & skf21("2","4","6","4","1","1","5","1") = "5"
    & skf21("2","4","6","4","1","1","6","1") = "5"
    & skf21("2","4","6","4","1","1","7","1") = "6"
    & skf21("2","4","6","4","1","2","1","1") = "5"
    & skf21("2","4","6","4","1","2","2","1") = "5"
    & skf21("2","4","6","4","1","2","3","1") = "5"
    & skf21("2","4","6","4","1","2","4","1") = "5"
    & skf21("2","4","6","4","1","2","5","1") = "5"
    & skf21("2","4","6","4","1","2","6","1") = "5"
    & skf21("2","4","6","4","1","2","7","1") = "6"
    & skf21("2","4","6","4","1","3","1","1") = "5"
    & skf21("2","4","6","4","1","3","2","1") = "5"
    & skf21("2","4","6","4","1","3","3","1") = "5"
    & skf21("2","4","6","4","1","3","4","1") = "5"
    & skf21("2","4","6","4","1","3","5","1") = "5"
    & skf21("2","4","6","4","1","3","6","1") = "5"
    & skf21("2","4","6","4","1","3","7","1") = "6"
    & skf21("2","4","6","4","1","4","1","1") = "5"
    & skf21("2","4","6","4","1","4","2","1") = "5"
    & skf21("2","4","6","4","1","4","3","1") = "5"
    & skf21("2","4","6","4","1","4","4","1") = "5"
    & skf21("2","4","6","4","1","4","5","1") = "5"
    & skf21("2","4","6","4","1","4","6","1") = "5"
    & skf21("2","4","6","4","1","4","7","1") = "6"
    & skf21("2","4","6","4","1","5","1","1") = "5"
    & skf21("2","4","6","4","1","5","2","1") = "5"
    & skf21("2","4","6","4","1","5","3","1") = "5"
    & skf21("2","4","6","4","1","5","4","1") = "5"
    & skf21("2","4","6","4","1","5","5","1") = "5"
    & skf21("2","4","6","4","1","5","6","1") = "5"
    & skf21("2","4","6","4","1","5","7","1") = "6"
    & skf21("2","4","6","4","1","6","1","1") = "5"
    & skf21("2","4","6","4","1","6","2","1") = "5"
    & skf21("2","4","6","4","1","6","3","1") = "5"
    & skf21("2","4","6","4","1","6","4","1") = "5"
    & skf21("2","4","6","4","1","6","5","1") = "5"
    & skf21("2","4","6","4","1","6","6","1") = "5"
    & skf21("2","4","6","4","1","6","7","1") = "6"
    & skf21("2","4","6","4","1","7","1","1") = "6"
    & skf21("2","4","6","4","1","7","2","1") = "6"
    & skf21("2","4","6","4","1","7","3","1") = "6"
    & skf21("2","4","6","4","1","7","4","1") = "6"
    & skf21("2","4","6","4","1","7","5","1") = "6"
    & skf21("2","4","6","4","1","7","6","1") = "6"
    & skf21("2","4","6","4","1","7","7","1") = "6"
    & skf21("2","4","6","4","2","1","1","1") = "5"
    & skf21("2","4","6","4","2","1","2","1") = "5"
    & skf21("2","4","6","4","2","1","3","1") = "5"
    & skf21("2","4","6","4","2","1","4","1") = "5"
    & skf21("2","4","6","4","2","1","5","1") = "5"
    & skf21("2","4","6","4","2","1","6","1") = "5"
    & skf21("2","4","6","4","2","1","7","1") = "6"
    & skf21("2","4","6","4","2","2","1","1") = "5"
    & skf21("2","4","6","4","2","2","2","1") = "5"
    & skf21("2","4","6","4","2","2","3","1") = "5"
    & skf21("2","4","6","4","2","2","4","1") = "5"
    & skf21("2","4","6","4","2","2","5","1") = "5"
    & skf21("2","4","6","4","2","2","6","1") = "5"
    & skf21("2","4","6","4","2","2","7","1") = "6"
    & skf21("2","4","6","4","2","3","1","1") = "5"
    & skf21("2","4","6","4","2","3","2","1") = "5"
    & skf21("2","4","6","4","2","3","3","1") = "5"
    & skf21("2","4","6","4","2","3","4","1") = "5"
    & skf21("2","4","6","4","2","3","5","1") = "5"
    & skf21("2","4","6","4","2","3","6","1") = "5"
    & skf21("2","4","6","4","2","3","7","1") = "6"
    & skf21("2","4","6","4","2","4","1","1") = "5"
    & skf21("2","4","6","4","2","4","2","1") = "5"
    & skf21("2","4","6","4","2","4","3","1") = "5"
    & skf21("2","4","6","4","2","4","4","1") = "5"
    & skf21("2","4","6","4","2","4","5","1") = "5"
    & skf21("2","4","6","4","2","4","6","1") = "5"
    & skf21("2","4","6","4","2","4","7","1") = "6"
    & skf21("2","4","6","4","2","5","1","1") = "5"
    & skf21("2","4","6","4","2","5","2","1") = "5"
    & skf21("2","4","6","4","2","5","3","1") = "5"
    & skf21("2","4","6","4","2","5","4","1") = "5"
    & skf21("2","4","6","4","2","5","5","1") = "5"
    & skf21("2","4","6","4","2","5","6","1") = "5"
    & skf21("2","4","6","4","2","5","7","1") = "6"
    & skf21("2","4","6","4","2","6","1","1") = "5"
    & skf21("2","4","6","4","2","6","2","1") = "5"
    & skf21("2","4","6","4","2","6","3","1") = "5"
    & skf21("2","4","6","4","2","6","4","1") = "5"
    & skf21("2","4","6","4","2","6","5","1") = "5"
    & skf21("2","4","6","4","2","6","6","1") = "5"
    & skf21("2","4","6","4","2","6","7","1") = "6"
    & skf21("2","4","6","4","2","7","1","1") = "6"
    & skf21("2","4","6","4","2","7","2","1") = "6"
    & skf21("2","4","6","4","2","7","3","1") = "6"
    & skf21("2","4","6","4","2","7","4","1") = "6"
    & skf21("2","4","6","4","2","7","5","1") = "6"
    & skf21("2","4","6","4","2","7","6","1") = "6"
    & skf21("2","4","6","4","2","7","7","1") = "6"
    & skf21("2","4","6","4","3","1","1","1") = "5"
    & skf21("2","4","6","4","3","1","2","1") = "5"
    & skf21("2","4","6","4","3","1","3","1") = "5"
    & skf21("2","4","6","4","3","1","4","1") = "5"
    & skf21("2","4","6","4","3","1","5","1") = "5"
    & skf21("2","4","6","4","3","1","6","1") = "5"
    & skf21("2","4","6","4","3","1","7","1") = "6"
    & skf21("2","4","6","4","3","2","1","1") = "5"
    & skf21("2","4","6","4","3","2","2","1") = "5"
    & skf21("2","4","6","4","3","2","3","1") = "5"
    & skf21("2","4","6","4","3","2","4","1") = "5"
    & skf21("2","4","6","4","3","2","5","1") = "5"
    & skf21("2","4","6","4","3","2","6","1") = "5"
    & skf21("2","4","6","4","3","2","7","1") = "6"
    & skf21("2","4","6","4","3","3","1","1") = "5"
    & skf21("2","4","6","4","3","3","2","1") = "5"
    & skf21("2","4","6","4","3","3","3","1") = "5"
    & skf21("2","4","6","4","3","3","4","1") = "5"
    & skf21("2","4","6","4","3","3","5","1") = "5"
    & skf21("2","4","6","4","3","3","6","1") = "5"
    & skf21("2","4","6","4","3","3","7","1") = "6"
    & skf21("2","4","6","4","3","4","1","1") = "5"
    & skf21("2","4","6","4","3","4","2","1") = "5"
    & skf21("2","4","6","4","3","4","3","1") = "5"
    & skf21("2","4","6","4","3","4","4","1") = "5"
    & skf21("2","4","6","4","3","4","5","1") = "5"
    & skf21("2","4","6","4","3","4","6","1") = "5"
    & skf21("2","4","6","4","3","4","7","1") = "6"
    & skf21("2","4","6","4","3","5","1","1") = "5"
    & skf21("2","4","6","4","3","5","2","1") = "5"
    & skf21("2","4","6","4","3","5","3","1") = "5"
    & skf21("2","4","6","4","3","5","4","1") = "5"
    & skf21("2","4","6","4","3","5","5","1") = "5"
    & skf21("2","4","6","4","3","5","6","1") = "5"
    & skf21("2","4","6","4","3","5","7","1") = "6"
    & skf21("2","4","6","4","3","6","1","1") = "5"
    & skf21("2","4","6","4","3","6","2","1") = "5"
    & skf21("2","4","6","4","3","6","3","1") = "5"
    & skf21("2","4","6","4","3","6","4","1") = "5"
    & skf21("2","4","6","4","3","6","5","1") = "5"
    & skf21("2","4","6","4","3","6","6","1") = "5"
    & skf21("2","4","6","4","3","6","7","1") = "6"
    & skf21("2","4","6","4","3","7","1","1") = "6"
    & skf21("2","4","6","4","3","7","2","1") = "6"
    & skf21("2","4","6","4","3","7","3","1") = "6"
    & skf21("2","4","6","4","3","7","4","1") = "6"
    & skf21("2","4","6","4","3","7","5","1") = "6"
    & skf21("2","4","6","4","3","7","6","1") = "6"
    & skf21("2","4","6","4","3","7","7","1") = "6"
    & skf21("2","4","6","4","4","1","1","1") = "5"
    & skf21("2","4","6","4","4","1","2","1") = "5"
    & skf21("2","4","6","4","4","1","3","1") = "5"
    & skf21("2","4","6","4","4","1","4","1") = "5"
    & skf21("2","4","6","4","4","1","5","1") = "5"
    & skf21("2","4","6","4","4","1","6","1") = "5"
    & skf21("2","4","6","4","4","1","7","1") = "6"
    & skf21("2","4","6","4","4","2","1","1") = "5"
    & skf21("2","4","6","4","4","2","2","1") = "5"
    & skf21("2","4","6","4","4","2","3","1") = "5"
    & skf21("2","4","6","4","4","2","4","1") = "5"
    & skf21("2","4","6","4","4","2","5","1") = "5"
    & skf21("2","4","6","4","4","2","6","1") = "5"
    & skf21("2","4","6","4","4","2","7","1") = "6"
    & skf21("2","4","6","4","4","3","1","1") = "5"
    & skf21("2","4","6","4","4","3","2","1") = "5"
    & skf21("2","4","6","4","4","3","3","1") = "5"
    & skf21("2","4","6","4","4","3","4","1") = "5"
    & skf21("2","4","6","4","4","3","5","1") = "5"
    & skf21("2","4","6","4","4","3","6","1") = "5"
    & skf21("2","4","6","4","4","3","7","1") = "6"
    & skf21("2","4","6","4","4","4","1","1") = "5"
    & skf21("2","4","6","4","4","4","2","1") = "5"
    & skf21("2","4","6","4","4","4","3","1") = "5"
    & skf21("2","4","6","4","4","4","4","1") = "5"
    & skf21("2","4","6","4","4","4","5","1") = "5"
    & skf21("2","4","6","4","4","4","6","1") = "5"
    & skf21("2","4","6","4","4","4","7","1") = "6"
    & skf21("2","4","6","4","4","5","1","1") = "5"
    & skf21("2","4","6","4","4","5","2","1") = "5"
    & skf21("2","4","6","4","4","5","3","1") = "5"
    & skf21("2","4","6","4","4","5","4","1") = "5"
    & skf21("2","4","6","4","4","5","5","1") = "5"
    & skf21("2","4","6","4","4","5","6","1") = "5"
    & skf21("2","4","6","4","4","5","7","1") = "6"
    & skf21("2","4","6","4","4","6","1","1") = "5"
    & skf21("2","4","6","4","4","6","2","1") = "5"
    & skf21("2","4","6","4","4","6","3","1") = "5"
    & skf21("2","4","6","4","4","6","4","1") = "5"
    & skf21("2","4","6","4","4","6","5","1") = "5"
    & skf21("2","4","6","4","4","6","6","1") = "5"
    & skf21("2","4","6","4","4","6","7","1") = "6"
    & skf21("2","4","6","4","4","7","1","1") = "6"
    & skf21("2","4","6","4","4","7","2","1") = "6"
    & skf21("2","4","6","4","4","7","3","1") = "6"
    & skf21("2","4","6","4","4","7","4","1") = "6"
    & skf21("2","4","6","4","4","7","5","1") = "6"
    & skf21("2","4","6","4","4","7","6","1") = "6"
    & skf21("2","4","6","4","4","7","7","1") = "6"
    & skf21("2","4","6","4","5","1","1","1") = "5"
    & skf21("2","4","6","4","5","1","2","1") = "5"
    & skf21("2","4","6","4","5","1","3","1") = "5"
    & skf21("2","4","6","4","5","1","4","1") = "5"
    & skf21("2","4","6","4","5","1","5","1") = "5"
    & skf21("2","4","6","4","5","1","6","1") = "5"
    & skf21("2","4","6","4","5","1","7","1") = "6"
    & skf21("2","4","6","4","5","2","1","1") = "5"
    & skf21("2","4","6","4","5","2","2","1") = "5"
    & skf21("2","4","6","4","5","2","3","1") = "5"
    & skf21("2","4","6","4","5","2","4","1") = "5"
    & skf21("2","4","6","4","5","2","5","1") = "5"
    & skf21("2","4","6","4","5","2","6","1") = "5"
    & skf21("2","4","6","4","5","2","7","1") = "6"
    & skf21("2","4","6","4","5","3","1","1") = "5"
    & skf21("2","4","6","4","5","3","2","1") = "5"
    & skf21("2","4","6","4","5","3","3","1") = "5"
    & skf21("2","4","6","4","5","3","4","1") = "5"
    & skf21("2","4","6","4","5","3","5","1") = "5"
    & skf21("2","4","6","4","5","3","6","1") = "5"
    & skf21("2","4","6","4","5","3","7","1") = "6"
    & skf21("2","4","6","4","5","4","1","1") = "5"
    & skf21("2","4","6","4","5","4","2","1") = "5"
    & skf21("2","4","6","4","5","4","3","1") = "5"
    & skf21("2","4","6","4","5","4","4","1") = "5"
    & skf21("2","4","6","4","5","4","5","1") = "5"
    & skf21("2","4","6","4","5","4","6","1") = "5"
    & skf21("2","4","6","4","5","4","7","1") = "6"
    & skf21("2","4","6","4","5","5","1","1") = "5"
    & skf21("2","4","6","4","5","5","2","1") = "5"
    & skf21("2","4","6","4","5","5","3","1") = "5"
    & skf21("2","4","6","4","5","5","4","1") = "5"
    & skf21("2","4","6","4","5","5","5","1") = "5"
    & skf21("2","4","6","4","5","5","6","1") = "5"
    & skf21("2","4","6","4","5","5","7","1") = "6"
    & skf21("2","4","6","4","5","6","1","1") = "5"
    & skf21("2","4","6","4","5","6","2","1") = "5"
    & skf21("2","4","6","4","5","6","3","1") = "5"
    & skf21("2","4","6","4","5","6","4","1") = "5"
    & skf21("2","4","6","4","5","6","5","1") = "5"
    & skf21("2","4","6","4","5","6","6","1") = "5"
    & skf21("2","4","6","4","5","6","7","1") = "6"
    & skf21("2","4","6","4","5","7","1","1") = "6"
    & skf21("2","4","6","4","5","7","2","1") = "6"
    & skf21("2","4","6","4","5","7","3","1") = "6"
    & skf21("2","4","6","4","5","7","4","1") = "6"
    & skf21("2","4","6","4","5","7","5","1") = "6"
    & skf21("2","4","6","4","5","7","6","1") = "6"
    & skf21("2","4","6","4","5","7","7","1") = "6"
    & skf21("2","4","6","4","6","1","1","1") = "5"
    & skf21("2","4","6","4","6","1","2","1") = "5"
    & skf21("2","4","6","4","6","1","3","1") = "5"
    & skf21("2","4","6","4","6","1","4","1") = "5"
    & skf21("2","4","6","4","6","1","5","1") = "5"
    & skf21("2","4","6","4","6","1","6","1") = "5"
    & skf21("2","4","6","4","6","1","7","1") = "6"
    & skf21("2","4","6","4","6","2","1","1") = "5"
    & skf21("2","4","6","4","6","2","2","1") = "5"
    & skf21("2","4","6","4","6","2","3","1") = "5"
    & skf21("2","4","6","4","6","2","4","1") = "5"
    & skf21("2","4","6","4","6","2","5","1") = "5"
    & skf21("2","4","6","4","6","2","6","1") = "5"
    & skf21("2","4","6","4","6","2","7","1") = "6"
    & skf21("2","4","6","4","6","3","1","1") = "5"
    & skf21("2","4","6","4","6","3","2","1") = "5"
    & skf21("2","4","6","4","6","3","3","1") = "5"
    & skf21("2","4","6","4","6","3","4","1") = "5"
    & skf21("2","4","6","4","6","3","5","1") = "5"
    & skf21("2","4","6","4","6","3","6","1") = "5"
    & skf21("2","4","6","4","6","3","7","1") = "6"
    & skf21("2","4","6","4","6","4","1","1") = "5"
    & skf21("2","4","6","4","6","4","2","1") = "5"
    & skf21("2","4","6","4","6","4","3","1") = "5"
    & skf21("2","4","6","4","6","4","4","1") = "5"
    & skf21("2","4","6","4","6","4","5","1") = "5"
    & skf21("2","4","6","4","6","4","6","1") = "5"
    & skf21("2","4","6","4","6","4","7","1") = "6"
    & skf21("2","4","6","4","6","5","1","1") = "5"
    & skf21("2","4","6","4","6","5","2","1") = "5"
    & skf21("2","4","6","4","6","5","3","1") = "5"
    & skf21("2","4","6","4","6","5","4","1") = "5"
    & skf21("2","4","6","4","6","5","5","1") = "5"
    & skf21("2","4","6","4","6","5","6","1") = "5"
    & skf21("2","4","6","4","6","5","7","1") = "6"
    & skf21("2","4","6","4","6","6","1","1") = "5"
    & skf21("2","4","6","4","6","6","2","1") = "5"
    & skf21("2","4","6","4","6","6","3","1") = "5"
    & skf21("2","4","6","4","6","6","4","1") = "5"
    & skf21("2","4","6","4","6","6","5","1") = "5"
    & skf21("2","4","6","4","6","6","6","1") = "5"
    & skf21("2","4","6","4","6","6","7","1") = "6"
    & skf21("2","4","6","4","6","7","1","1") = "6"
    & skf21("2","4","6","4","6","7","2","1") = "6"
    & skf21("2","4","6","4","6","7","3","1") = "6"
    & skf21("2","4","6","4","6","7","4","1") = "6"
    & skf21("2","4","6","4","6","7","5","1") = "6"
    & skf21("2","4","6","4","6","7","6","1") = "6"
    & skf21("2","4","6","4","6","7","7","1") = "6"
    & skf21("2","4","6","4","7","1","1","1") = "6"
    & skf21("2","4","6","4","7","1","2","1") = "6"
    & skf21("2","4","6","4","7","1","3","1") = "6"
    & skf21("2","4","6","4","7","1","4","1") = "6"
    & skf21("2","4","6","4","7","1","5","1") = "6"
    & skf21("2","4","6","4","7","1","6","1") = "6"
    & skf21("2","4","6","4","7","1","7","1") = "6"
    & skf21("2","4","6","4","7","2","1","1") = "6"
    & skf21("2","4","6","4","7","2","2","1") = "6"
    & skf21("2","4","6","4","7","2","3","1") = "6"
    & skf21("2","4","6","4","7","2","4","1") = "6"
    & skf21("2","4","6","4","7","2","5","1") = "6"
    & skf21("2","4","6","4","7","2","6","1") = "6"
    & skf21("2","4","6","4","7","2","7","1") = "6"
    & skf21("2","4","6","4","7","3","1","1") = "6"
    & skf21("2","4","6","4","7","3","2","1") = "6"
    & skf21("2","4","6","4","7","3","3","1") = "6"
    & skf21("2","4","6","4","7","3","4","1") = "6"
    & skf21("2","4","6","4","7","3","5","1") = "6"
    & skf21("2","4","6","4","7","3","6","1") = "6"
    & skf21("2","4","6","4","7","3","7","1") = "6"
    & skf21("2","4","6","4","7","4","1","1") = "6"
    & skf21("2","4","6","4","7","4","2","1") = "6"
    & skf21("2","4","6","4","7","4","3","1") = "6"
    & skf21("2","4","6","4","7","4","4","1") = "6"
    & skf21("2","4","6","4","7","4","5","1") = "6"
    & skf21("2","4","6","4","7","4","6","1") = "6"
    & skf21("2","4","6","4","7","4","7","1") = "6"
    & skf21("2","4","6","4","7","5","1","1") = "6"
    & skf21("2","4","6","4","7","5","2","1") = "6"
    & skf21("2","4","6","4","7","5","3","1") = "6"
    & skf21("2","4","6","4","7","5","4","1") = "6"
    & skf21("2","4","6","4","7","5","5","1") = "6"
    & skf21("2","4","6","4","7","5","6","1") = "6"
    & skf21("2","4","6","4","7","5","7","1") = "6"
    & skf21("2","4","6","4","7","6","1","1") = "6"
    & skf21("2","4","6","4","7","6","2","1") = "6"
    & skf21("2","4","6","4","7","6","3","1") = "6"
    & skf21("2","4","6","4","7","6","4","1") = "6"
    & skf21("2","4","6","4","7","6","5","1") = "6"
    & skf21("2","4","6","4","7","6","6","1") = "6"
    & skf21("2","4","6","4","7","6","7","1") = "6"
    & skf21("2","4","6","4","7","7","1","1") = "6"
    & skf21("2","4","6","4","7","7","2","1") = "6"
    & skf21("2","4","6","4","7","7","3","1") = "6"
    & skf21("2","4","6","4","7","7","4","1") = "6"
    & skf21("2","4","6","4","7","7","5","1") = "6"
    & skf21("2","4","6","4","7","7","6","1") = "6"
    & skf21("2","4","6","4","7","7","7","1") = "6"
    & skf21("2","4","6","5","1","1","1","1") = "5"
    & skf21("2","4","6","5","1","1","2","1") = "5"
    & skf21("2","4","6","5","1","1","3","1") = "5"
    & skf21("2","4","6","5","1","1","4","1") = "5"
    & skf21("2","4","6","5","1","1","5","1") = "5"
    & skf21("2","4","6","5","1","1","6","1") = "5"
    & skf21("2","4","6","5","1","1","7","1") = "6"
    & skf21("2","4","6","5","1","2","1","1") = "5"
    & skf21("2","4","6","5","1","2","2","1") = "5"
    & skf21("2","4","6","5","1","2","3","1") = "5"
    & skf21("2","4","6","5","1","2","4","1") = "5"
    & skf21("2","4","6","5","1","2","5","1") = "5"
    & skf21("2","4","6","5","1","2","6","1") = "5"
    & skf21("2","4","6","5","1","2","7","1") = "6"
    & skf21("2","4","6","5","1","3","1","1") = "5"
    & skf21("2","4","6","5","1","3","2","1") = "5"
    & skf21("2","4","6","5","1","3","3","1") = "5"
    & skf21("2","4","6","5","1","3","4","1") = "5"
    & skf21("2","4","6","5","1","3","5","1") = "5"
    & skf21("2","4","6","5","1","3","6","1") = "5"
    & skf21("2","4","6","5","1","3","7","1") = "6"
    & skf21("2","4","6","5","1","4","1","1") = "5"
    & skf21("2","4","6","5","1","4","2","1") = "5"
    & skf21("2","4","6","5","1","4","3","1") = "5"
    & skf21("2","4","6","5","1","4","4","1") = "5"
    & skf21("2","4","6","5","1","4","5","1") = "5"
    & skf21("2","4","6","5","1","4","6","1") = "5"
    & skf21("2","4","6","5","1","4","7","1") = "6"
    & skf21("2","4","6","5","1","5","1","1") = "5"
    & skf21("2","4","6","5","1","5","2","1") = "5"
    & skf21("2","4","6","5","1","5","3","1") = "5"
    & skf21("2","4","6","5","1","5","4","1") = "5"
    & skf21("2","4","6","5","1","5","5","1") = "5"
    & skf21("2","4","6","5","1","5","6","1") = "5"
    & skf21("2","4","6","5","1","5","7","1") = "6"
    & skf21("2","4","6","5","1","6","1","1") = "5"
    & skf21("2","4","6","5","1","6","2","1") = "5"
    & skf21("2","4","6","5","1","6","3","1") = "5"
    & skf21("2","4","6","5","1","6","4","1") = "5"
    & skf21("2","4","6","5","1","6","5","1") = "5"
    & skf21("2","4","6","5","1","6","6","1") = "5"
    & skf21("2","4","6","5","1","6","7","1") = "6"
    & skf21("2","4","6","5","1","7","1","1") = "6"
    & skf21("2","4","6","5","1","7","2","1") = "6"
    & skf21("2","4","6","5","1","7","3","1") = "6"
    & skf21("2","4","6","5","1","7","4","1") = "6"
    & skf21("2","4","6","5","1","7","5","1") = "6"
    & skf21("2","4","6","5","1","7","6","1") = "6"
    & skf21("2","4","6","5","1","7","7","1") = "6"
    & skf21("2","4","6","5","2","1","1","1") = "5"
    & skf21("2","4","6","5","2","1","2","1") = "5"
    & skf21("2","4","6","5","2","1","3","1") = "5"
    & skf21("2","4","6","5","2","1","4","1") = "5"
    & skf21("2","4","6","5","2","1","5","1") = "5"
    & skf21("2","4","6","5","2","1","6","1") = "5"
    & skf21("2","4","6","5","2","1","7","1") = "6"
    & skf21("2","4","6","5","2","2","1","1") = "5"
    & skf21("2","4","6","5","2","2","2","1") = "5"
    & skf21("2","4","6","5","2","2","3","1") = "5"
    & skf21("2","4","6","5","2","2","4","1") = "5"
    & skf21("2","4","6","5","2","2","5","1") = "5"
    & skf21("2","4","6","5","2","2","6","1") = "5"
    & skf21("2","4","6","5","2","2","7","1") = "6"
    & skf21("2","4","6","5","2","3","1","1") = "5"
    & skf21("2","4","6","5","2","3","2","1") = "5"
    & skf21("2","4","6","5","2","3","3","1") = "5"
    & skf21("2","4","6","5","2","3","4","1") = "5"
    & skf21("2","4","6","5","2","3","5","1") = "5"
    & skf21("2","4","6","5","2","3","6","1") = "5"
    & skf21("2","4","6","5","2","3","7","1") = "6"
    & skf21("2","4","6","5","2","4","1","1") = "5"
    & skf21("2","4","6","5","2","4","2","1") = "5"
    & skf21("2","4","6","5","2","4","3","1") = "5"
    & skf21("2","4","6","5","2","4","4","1") = "5"
    & skf21("2","4","6","5","2","4","5","1") = "5"
    & skf21("2","4","6","5","2","4","6","1") = "5"
    & skf21("2","4","6","5","2","4","7","1") = "6"
    & skf21("2","4","6","5","2","5","1","1") = "5"
    & skf21("2","4","6","5","2","5","2","1") = "5"
    & skf21("2","4","6","5","2","5","3","1") = "5"
    & skf21("2","4","6","5","2","5","4","1") = "5"
    & skf21("2","4","6","5","2","5","5","1") = "5"
    & skf21("2","4","6","5","2","5","6","1") = "5"
    & skf21("2","4","6","5","2","5","7","1") = "6"
    & skf21("2","4","6","5","2","6","1","1") = "5"
    & skf21("2","4","6","5","2","6","2","1") = "5"
    & skf21("2","4","6","5","2","6","3","1") = "5"
    & skf21("2","4","6","5","2","6","4","1") = "5"
    & skf21("2","4","6","5","2","6","5","1") = "5"
    & skf21("2","4","6","5","2","6","6","1") = "5"
    & skf21("2","4","6","5","2","6","7","1") = "6"
    & skf21("2","4","6","5","2","7","1","1") = "6"
    & skf21("2","4","6","5","2","7","2","1") = "6"
    & skf21("2","4","6","5","2","7","3","1") = "6"
    & skf21("2","4","6","5","2","7","4","1") = "6"
    & skf21("2","4","6","5","2","7","5","1") = "6"
    & skf21("2","4","6","5","2","7","6","1") = "6"
    & skf21("2","4","6","5","2","7","7","1") = "6"
    & skf21("2","4","6","5","3","1","1","1") = "5"
    & skf21("2","4","6","5","3","1","2","1") = "5"
    & skf21("2","4","6","5","3","1","3","1") = "5"
    & skf21("2","4","6","5","3","1","4","1") = "5"
    & skf21("2","4","6","5","3","1","5","1") = "5"
    & skf21("2","4","6","5","3","1","6","1") = "5"
    & skf21("2","4","6","5","3","1","7","1") = "6"
    & skf21("2","4","6","5","3","2","1","1") = "5"
    & skf21("2","4","6","5","3","2","2","1") = "5"
    & skf21("2","4","6","5","3","2","3","1") = "5"
    & skf21("2","4","6","5","3","2","4","1") = "5"
    & skf21("2","4","6","5","3","2","5","1") = "5"
    & skf21("2","4","6","5","3","2","6","1") = "5"
    & skf21("2","4","6","5","3","2","7","1") = "6"
    & skf21("2","4","6","5","3","3","1","1") = "5"
    & skf21("2","4","6","5","3","3","2","1") = "5"
    & skf21("2","4","6","5","3","3","3","1") = "5"
    & skf21("2","4","6","5","3","3","4","1") = "5"
    & skf21("2","4","6","5","3","3","5","1") = "5"
    & skf21("2","4","6","5","3","3","6","1") = "5"
    & skf21("2","4","6","5","3","3","7","1") = "6"
    & skf21("2","4","6","5","3","4","1","1") = "5"
    & skf21("2","4","6","5","3","4","2","1") = "5"
    & skf21("2","4","6","5","3","4","3","1") = "5"
    & skf21("2","4","6","5","3","4","4","1") = "5"
    & skf21("2","4","6","5","3","4","5","1") = "5"
    & skf21("2","4","6","5","3","4","6","1") = "5"
    & skf21("2","4","6","5","3","4","7","1") = "6"
    & skf21("2","4","6","5","3","5","1","1") = "5"
    & skf21("2","4","6","5","3","5","2","1") = "5"
    & skf21("2","4","6","5","3","5","3","1") = "5"
    & skf21("2","4","6","5","3","5","4","1") = "5"
    & skf21("2","4","6","5","3","5","5","1") = "5"
    & skf21("2","4","6","5","3","5","6","1") = "5"
    & skf21("2","4","6","5","3","5","7","1") = "6"
    & skf21("2","4","6","5","3","6","1","1") = "5"
    & skf21("2","4","6","5","3","6","2","1") = "5"
    & skf21("2","4","6","5","3","6","3","1") = "5"
    & skf21("2","4","6","5","3","6","4","1") = "5"
    & skf21("2","4","6","5","3","6","5","1") = "5"
    & skf21("2","4","6","5","3","6","6","1") = "5"
    & skf21("2","4","6","5","3","6","7","1") = "6"
    & skf21("2","4","6","5","3","7","1","1") = "6"
    & skf21("2","4","6","5","3","7","2","1") = "6"
    & skf21("2","4","6","5","3","7","3","1") = "6"
    & skf21("2","4","6","5","3","7","4","1") = "6"
    & skf21("2","4","6","5","3","7","5","1") = "6"
    & skf21("2","4","6","5","3","7","6","1") = "6"
    & skf21("2","4","6","5","3","7","7","1") = "6"
    & skf21("2","4","6","5","4","1","1","1") = "5"
    & skf21("2","4","6","5","4","1","2","1") = "5"
    & skf21("2","4","6","5","4","1","3","1") = "5"
    & skf21("2","4","6","5","4","1","4","1") = "5"
    & skf21("2","4","6","5","4","1","5","1") = "5"
    & skf21("2","4","6","5","4","1","6","1") = "5"
    & skf21("2","4","6","5","4","1","7","1") = "6"
    & skf21("2","4","6","5","4","2","1","1") = "5"
    & skf21("2","4","6","5","4","2","2","1") = "5"
    & skf21("2","4","6","5","4","2","3","1") = "5"
    & skf21("2","4","6","5","4","2","4","1") = "5"
    & skf21("2","4","6","5","4","2","5","1") = "5"
    & skf21("2","4","6","5","4","2","6","1") = "5"
    & skf21("2","4","6","5","4","2","7","1") = "6"
    & skf21("2","4","6","5","4","3","1","1") = "5"
    & skf21("2","4","6","5","4","3","2","1") = "5"
    & skf21("2","4","6","5","4","3","3","1") = "5"
    & skf21("2","4","6","5","4","3","4","1") = "5"
    & skf21("2","4","6","5","4","3","5","1") = "5"
    & skf21("2","4","6","5","4","3","6","1") = "5"
    & skf21("2","4","6","5","4","3","7","1") = "6"
    & skf21("2","4","6","5","4","4","1","1") = "5"
    & skf21("2","4","6","5","4","4","2","1") = "5"
    & skf21("2","4","6","5","4","4","3","1") = "5"
    & skf21("2","4","6","5","4","4","4","1") = "5"
    & skf21("2","4","6","5","4","4","5","1") = "5"
    & skf21("2","4","6","5","4","4","6","1") = "5"
    & skf21("2","4","6","5","4","4","7","1") = "6"
    & skf21("2","4","6","5","4","5","1","1") = "5"
    & skf21("2","4","6","5","4","5","2","1") = "5"
    & skf21("2","4","6","5","4","5","3","1") = "5"
    & skf21("2","4","6","5","4","5","4","1") = "5"
    & skf21("2","4","6","5","4","5","5","1") = "5"
    & skf21("2","4","6","5","4","5","6","1") = "5"
    & skf21("2","4","6","5","4","5","7","1") = "6"
    & skf21("2","4","6","5","4","6","1","1") = "5"
    & skf21("2","4","6","5","4","6","2","1") = "5"
    & skf21("2","4","6","5","4","6","3","1") = "5"
    & skf21("2","4","6","5","4","6","4","1") = "5"
    & skf21("2","4","6","5","4","6","5","1") = "5"
    & skf21("2","4","6","5","4","6","6","1") = "5"
    & skf21("2","4","6","5","4","6","7","1") = "6"
    & skf21("2","4","6","5","4","7","1","1") = "6"
    & skf21("2","4","6","5","4","7","2","1") = "6"
    & skf21("2","4","6","5","4","7","3","1") = "6"
    & skf21("2","4","6","5","4","7","4","1") = "6"
    & skf21("2","4","6","5","4","7","5","1") = "6"
    & skf21("2","4","6","5","4","7","6","1") = "6"
    & skf21("2","4","6","5","4","7","7","1") = "6"
    & skf21("2","4","6","5","5","1","1","1") = "5"
    & skf21("2","4","6","5","5","1","2","1") = "5"
    & skf21("2","4","6","5","5","1","3","1") = "5"
    & skf21("2","4","6","5","5","1","4","1") = "5"
    & skf21("2","4","6","5","5","1","5","1") = "5"
    & skf21("2","4","6","5","5","1","6","1") = "5"
    & skf21("2","4","6","5","5","1","7","1") = "6"
    & skf21("2","4","6","5","5","2","1","1") = "5"
    & skf21("2","4","6","5","5","2","2","1") = "5"
    & skf21("2","4","6","5","5","2","3","1") = "5"
    & skf21("2","4","6","5","5","2","4","1") = "5"
    & skf21("2","4","6","5","5","2","5","1") = "5"
    & skf21("2","4","6","5","5","2","6","1") = "5"
    & skf21("2","4","6","5","5","2","7","1") = "6"
    & skf21("2","4","6","5","5","3","1","1") = "5"
    & skf21("2","4","6","5","5","3","2","1") = "5"
    & skf21("2","4","6","5","5","3","3","1") = "5"
    & skf21("2","4","6","5","5","3","4","1") = "5"
    & skf21("2","4","6","5","5","3","5","1") = "5"
    & skf21("2","4","6","5","5","3","6","1") = "5"
    & skf21("2","4","6","5","5","3","7","1") = "6"
    & skf21("2","4","6","5","5","4","1","1") = "5"
    & skf21("2","4","6","5","5","4","2","1") = "5"
    & skf21("2","4","6","5","5","4","3","1") = "5"
    & skf21("2","4","6","5","5","4","4","1") = "5"
    & skf21("2","4","6","5","5","4","5","1") = "5"
    & skf21("2","4","6","5","5","4","6","1") = "5"
    & skf21("2","4","6","5","5","4","7","1") = "6"
    & skf21("2","4","6","5","5","5","1","1") = "5"
    & skf21("2","4","6","5","5","5","2","1") = "5"
    & skf21("2","4","6","5","5","5","3","1") = "5"
    & skf21("2","4","6","5","5","5","4","1") = "5"
    & skf21("2","4","6","5","5","5","5","1") = "5"
    & skf21("2","4","6","5","5","5","6","1") = "5"
    & skf21("2","4","6","5","5","5","7","1") = "6"
    & skf21("2","4","6","5","5","6","1","1") = "5"
    & skf21("2","4","6","5","5","6","2","1") = "5"
    & skf21("2","4","6","5","5","6","3","1") = "5"
    & skf21("2","4","6","5","5","6","4","1") = "5"
    & skf21("2","4","6","5","5","6","5","1") = "5"
    & skf21("2","4","6","5","5","6","6","1") = "5"
    & skf21("2","4","6","5","5","6","7","1") = "6"
    & skf21("2","4","6","5","5","7","1","1") = "6"
    & skf21("2","4","6","5","5","7","2","1") = "6"
    & skf21("2","4","6","5","5","7","3","1") = "6"
    & skf21("2","4","6","5","5","7","4","1") = "6"
    & skf21("2","4","6","5","5","7","5","1") = "6"
    & skf21("2","4","6","5","5","7","6","1") = "6"
    & skf21("2","4","6","5","5","7","7","1") = "6"
    & skf21("2","4","6","5","6","1","1","1") = "5"
    & skf21("2","4","6","5","6","1","2","1") = "5"
    & skf21("2","4","6","5","6","1","3","1") = "5"
    & skf21("2","4","6","5","6","1","4","1") = "5"
    & skf21("2","4","6","5","6","1","5","1") = "5"
    & skf21("2","4","6","5","6","1","6","1") = "5"
    & skf21("2","4","6","5","6","1","7","1") = "6"
    & skf21("2","4","6","5","6","2","1","1") = "5"
    & skf21("2","4","6","5","6","2","2","1") = "5"
    & skf21("2","4","6","5","6","2","3","1") = "5"
    & skf21("2","4","6","5","6","2","4","1") = "5"
    & skf21("2","4","6","5","6","2","5","1") = "5"
    & skf21("2","4","6","5","6","2","6","1") = "5"
    & skf21("2","4","6","5","6","2","7","1") = "6"
    & skf21("2","4","6","5","6","3","1","1") = "5"
    & skf21("2","4","6","5","6","3","2","1") = "5"
    & skf21("2","4","6","5","6","3","3","1") = "5"
    & skf21("2","4","6","5","6","3","4","1") = "5"
    & skf21("2","4","6","5","6","3","5","1") = "5"
    & skf21("2","4","6","5","6","3","6","1") = "5"
    & skf21("2","4","6","5","6","3","7","1") = "6"
    & skf21("2","4","6","5","6","4","1","1") = "5"
    & skf21("2","4","6","5","6","4","2","1") = "5"
    & skf21("2","4","6","5","6","4","3","1") = "5"
    & skf21("2","4","6","5","6","4","4","1") = "5"
    & skf21("2","4","6","5","6","4","5","1") = "5"
    & skf21("2","4","6","5","6","4","6","1") = "5"
    & skf21("2","4","6","5","6","4","7","1") = "6"
    & skf21("2","4","6","5","6","5","1","1") = "5"
    & skf21("2","4","6","5","6","5","2","1") = "5"
    & skf21("2","4","6","5","6","5","3","1") = "5"
    & skf21("2","4","6","5","6","5","4","1") = "5"
    & skf21("2","4","6","5","6","5","5","1") = "5"
    & skf21("2","4","6","5","6","5","6","1") = "5"
    & skf21("2","4","6","5","6","5","7","1") = "6"
    & skf21("2","4","6","5","6","6","1","1") = "5"
    & skf21("2","4","6","5","6","6","2","1") = "5"
    & skf21("2","4","6","5","6","6","3","1") = "5"
    & skf21("2","4","6","5","6","6","4","1") = "5"
    & skf21("2","4","6","5","6","6","5","1") = "5"
    & skf21("2","4","6","5","6","6","6","1") = "5"
    & skf21("2","4","6","5","6","6","7","1") = "6"
    & skf21("2","4","6","5","6","7","1","1") = "6"
    & skf21("2","4","6","5","6","7","2","1") = "6"
    & skf21("2","4","6","5","6","7","3","1") = "6"
    & skf21("2","4","6","5","6","7","4","1") = "6"
    & skf21("2","4","6","5","6","7","5","1") = "6"
    & skf21("2","4","6","5","6","7","6","1") = "6"
    & skf21("2","4","6","5","6","7","7","1") = "6"
    & skf21("2","4","6","5","7","1","1","1") = "6"
    & skf21("2","4","6","5","7","1","2","1") = "6"
    & skf21("2","4","6","5","7","1","3","1") = "6"
    & skf21("2","4","6","5","7","1","4","1") = "6"
    & skf21("2","4","6","5","7","1","5","1") = "6"
    & skf21("2","4","6","5","7","1","6","1") = "6"
    & skf21("2","4","6","5","7","1","7","1") = "6"
    & skf21("2","4","6","5","7","2","1","1") = "6"
    & skf21("2","4","6","5","7","2","2","1") = "6"
    & skf21("2","4","6","5","7","2","3","1") = "6"
    & skf21("2","4","6","5","7","2","4","1") = "6"
    & skf21("2","4","6","5","7","2","5","1") = "6"
    & skf21("2","4","6","5","7","2","6","1") = "6"
    & skf21("2","4","6","5","7","2","7","1") = "6"
    & skf21("2","4","6","5","7","3","1","1") = "6"
    & skf21("2","4","6","5","7","3","2","1") = "6"
    & skf21("2","4","6","5","7","3","3","1") = "6"
    & skf21("2","4","6","5","7","3","4","1") = "6"
    & skf21("2","4","6","5","7","3","5","1") = "6"
    & skf21("2","4","6","5","7","3","6","1") = "6"
    & skf21("2","4","6","5","7","3","7","1") = "6"
    & skf21("2","4","6","5","7","4","1","1") = "6"
    & skf21("2","4","6","5","7","4","2","1") = "6"
    & skf21("2","4","6","5","7","4","3","1") = "6"
    & skf21("2","4","6","5","7","4","4","1") = "6"
    & skf21("2","4","6","5","7","4","5","1") = "6"
    & skf21("2","4","6","5","7","4","6","1") = "6"
    & skf21("2","4","6","5","7","4","7","1") = "6"
    & skf21("2","4","6","5","7","5","1","1") = "6"
    & skf21("2","4","6","5","7","5","2","1") = "6"
    & skf21("2","4","6","5","7","5","3","1") = "6"
    & skf21("2","4","6","5","7","5","4","1") = "6"
    & skf21("2","4","6","5","7","5","5","1") = "6"
    & skf21("2","4","6","5","7","5","6","1") = "6"
    & skf21("2","4","6","5","7","5","7","1") = "6"
    & skf21("2","4","6","5","7","6","1","1") = "6"
    & skf21("2","4","6","5","7","6","2","1") = "6"
    & skf21("2","4","6","5","7","6","3","1") = "6"
    & skf21("2","4","6","5","7","6","4","1") = "6"
    & skf21("2","4","6","5","7","6","5","1") = "6"
    & skf21("2","4","6","5","7","6","6","1") = "6"
    & skf21("2","4","6","5","7","6","7","1") = "6"
    & skf21("2","4","6","5","7","7","1","1") = "6"
    & skf21("2","4","6","5","7","7","2","1") = "6"
    & skf21("2","4","6","5","7","7","3","1") = "6"
    & skf21("2","4","6","5","7","7","4","1") = "6"
    & skf21("2","4","6","5","7","7","5","1") = "6"
    & skf21("2","4","6","5","7","7","6","1") = "6"
    & skf21("2","4","6","5","7","7","7","1") = "6"
    & skf21("2","4","6","6","1","1","1","1") = "5"
    & skf21("2","4","6","6","1","1","2","1") = "5"
    & skf21("2","4","6","6","1","1","3","1") = "5"
    & skf21("2","4","6","6","1","1","4","1") = "5"
    & skf21("2","4","6","6","1","1","5","1") = "5"
    & skf21("2","4","6","6","1","1","6","1") = "5"
    & skf21("2","4","6","6","1","1","7","1") = "6"
    & skf21("2","4","6","6","1","2","1","1") = "5"
    & skf21("2","4","6","6","1","2","2","1") = "5"
    & skf21("2","4","6","6","1","2","3","1") = "5"
    & skf21("2","4","6","6","1","2","4","1") = "5"
    & skf21("2","4","6","6","1","2","5","1") = "5"
    & skf21("2","4","6","6","1","2","6","1") = "5"
    & skf21("2","4","6","6","1","2","7","1") = "6"
    & skf21("2","4","6","6","1","3","1","1") = "5"
    & skf21("2","4","6","6","1","3","2","1") = "5"
    & skf21("2","4","6","6","1","3","3","1") = "5"
    & skf21("2","4","6","6","1","3","4","1") = "5"
    & skf21("2","4","6","6","1","3","5","1") = "5"
    & skf21("2","4","6","6","1","3","6","1") = "5"
    & skf21("2","4","6","6","1","3","7","1") = "6"
    & skf21("2","4","6","6","1","4","1","1") = "5"
    & skf21("2","4","6","6","1","4","2","1") = "5"
    & skf21("2","4","6","6","1","4","3","1") = "5"
    & skf21("2","4","6","6","1","4","4","1") = "5"
    & skf21("2","4","6","6","1","4","5","1") = "5"
    & skf21("2","4","6","6","1","4","6","1") = "5"
    & skf21("2","4","6","6","1","4","7","1") = "6"
    & skf21("2","4","6","6","1","5","1","1") = "5"
    & skf21("2","4","6","6","1","5","2","1") = "5"
    & skf21("2","4","6","6","1","5","3","1") = "5"
    & skf21("2","4","6","6","1","5","4","1") = "5"
    & skf21("2","4","6","6","1","5","5","1") = "5"
    & skf21("2","4","6","6","1","5","6","1") = "5"
    & skf21("2","4","6","6","1","5","7","1") = "6"
    & skf21("2","4","6","6","1","6","1","1") = "5"
    & skf21("2","4","6","6","1","6","2","1") = "5"
    & skf21("2","4","6","6","1","6","3","1") = "5"
    & skf21("2","4","6","6","1","6","4","1") = "5"
    & skf21("2","4","6","6","1","6","5","1") = "5"
    & skf21("2","4","6","6","1","6","6","1") = "5"
    & skf21("2","4","6","6","1","6","7","1") = "6"
    & skf21("2","4","6","6","1","7","1","1") = "6"
    & skf21("2","4","6","6","1","7","2","1") = "6"
    & skf21("2","4","6","6","1","7","3","1") = "6"
    & skf21("2","4","6","6","1","7","4","1") = "6"
    & skf21("2","4","6","6","1","7","5","1") = "6"
    & skf21("2","4","6","6","1","7","6","1") = "6"
    & skf21("2","4","6","6","1","7","7","1") = "6"
    & skf21("2","4","6","6","2","1","1","1") = "5"
    & skf21("2","4","6","6","2","1","2","1") = "5"
    & skf21("2","4","6","6","2","1","3","1") = "5"
    & skf21("2","4","6","6","2","1","4","1") = "5"
    & skf21("2","4","6","6","2","1","5","1") = "5"
    & skf21("2","4","6","6","2","1","6","1") = "5"
    & skf21("2","4","6","6","2","1","7","1") = "6"
    & skf21("2","4","6","6","2","2","1","1") = "5"
    & skf21("2","4","6","6","2","2","2","1") = "5"
    & skf21("2","4","6","6","2","2","3","1") = "5"
    & skf21("2","4","6","6","2","2","4","1") = "5"
    & skf21("2","4","6","6","2","2","5","1") = "5"
    & skf21("2","4","6","6","2","2","6","1") = "5"
    & skf21("2","4","6","6","2","2","7","1") = "6"
    & skf21("2","4","6","6","2","3","1","1") = "5"
    & skf21("2","4","6","6","2","3","2","1") = "5"
    & skf21("2","4","6","6","2","3","3","1") = "5"
    & skf21("2","4","6","6","2","3","4","1") = "5"
    & skf21("2","4","6","6","2","3","5","1") = "5"
    & skf21("2","4","6","6","2","3","6","1") = "5"
    & skf21("2","4","6","6","2","3","7","1") = "6"
    & skf21("2","4","6","6","2","4","1","1") = "5"
    & skf21("2","4","6","6","2","4","2","1") = "5"
    & skf21("2","4","6","6","2","4","3","1") = "5"
    & skf21("2","4","6","6","2","4","4","1") = "5"
    & skf21("2","4","6","6","2","4","5","1") = "5"
    & skf21("2","4","6","6","2","4","6","1") = "5"
    & skf21("2","4","6","6","2","4","7","1") = "6"
    & skf21("2","4","6","6","2","5","1","1") = "5"
    & skf21("2","4","6","6","2","5","2","1") = "5"
    & skf21("2","4","6","6","2","5","3","1") = "5"
    & skf21("2","4","6","6","2","5","4","1") = "5"
    & skf21("2","4","6","6","2","5","5","1") = "5"
    & skf21("2","4","6","6","2","5","6","1") = "5"
    & skf21("2","4","6","6","2","5","7","1") = "6"
    & skf21("2","4","6","6","2","6","1","1") = "5"
    & skf21("2","4","6","6","2","6","2","1") = "5"
    & skf21("2","4","6","6","2","6","3","1") = "5"
    & skf21("2","4","6","6","2","6","4","1") = "5"
    & skf21("2","4","6","6","2","6","5","1") = "5"
    & skf21("2","4","6","6","2","6","6","1") = "5"
    & skf21("2","4","6","6","2","6","7","1") = "6"
    & skf21("2","4","6","6","2","7","1","1") = "6"
    & skf21("2","4","6","6","2","7","2","1") = "6"
    & skf21("2","4","6","6","2","7","3","1") = "6"
    & skf21("2","4","6","6","2","7","4","1") = "6"
    & skf21("2","4","6","6","2","7","5","1") = "6"
    & skf21("2","4","6","6","2","7","6","1") = "6"
    & skf21("2","4","6","6","2","7","7","1") = "6"
    & skf21("2","4","6","6","3","1","1","1") = "5"
    & skf21("2","4","6","6","3","1","2","1") = "5"
    & skf21("2","4","6","6","3","1","3","1") = "5"
    & skf21("2","4","6","6","3","1","4","1") = "5"
    & skf21("2","4","6","6","3","1","5","1") = "5"
    & skf21("2","4","6","6","3","1","6","1") = "5"
    & skf21("2","4","6","6","3","1","7","1") = "6"
    & skf21("2","4","6","6","3","2","1","1") = "5"
    & skf21("2","4","6","6","3","2","2","1") = "5"
    & skf21("2","4","6","6","3","2","3","1") = "5"
    & skf21("2","4","6","6","3","2","4","1") = "5"
    & skf21("2","4","6","6","3","2","5","1") = "5"
    & skf21("2","4","6","6","3","2","6","1") = "5"
    & skf21("2","4","6","6","3","2","7","1") = "6"
    & skf21("2","4","6","6","3","3","1","1") = "5"
    & skf21("2","4","6","6","3","3","2","1") = "5"
    & skf21("2","4","6","6","3","3","3","1") = "5"
    & skf21("2","4","6","6","3","3","4","1") = "5"
    & skf21("2","4","6","6","3","3","5","1") = "5"
    & skf21("2","4","6","6","3","3","6","1") = "5"
    & skf21("2","4","6","6","3","3","7","1") = "6"
    & skf21("2","4","6","6","3","4","1","1") = "5"
    & skf21("2","4","6","6","3","4","2","1") = "5"
    & skf21("2","4","6","6","3","4","3","1") = "5"
    & skf21("2","4","6","6","3","4","4","1") = "5"
    & skf21("2","4","6","6","3","4","5","1") = "5"
    & skf21("2","4","6","6","3","4","6","1") = "5"
    & skf21("2","4","6","6","3","4","7","1") = "6"
    & skf21("2","4","6","6","3","5","1","1") = "5"
    & skf21("2","4","6","6","3","5","2","1") = "5"
    & skf21("2","4","6","6","3","5","3","1") = "5"
    & skf21("2","4","6","6","3","5","4","1") = "5"
    & skf21("2","4","6","6","3","5","5","1") = "5"
    & skf21("2","4","6","6","3","5","6","1") = "5"
    & skf21("2","4","6","6","3","5","7","1") = "6"
    & skf21("2","4","6","6","3","6","1","1") = "5"
    & skf21("2","4","6","6","3","6","2","1") = "5"
    & skf21("2","4","6","6","3","6","3","1") = "5"
    & skf21("2","4","6","6","3","6","4","1") = "5"
    & skf21("2","4","6","6","3","6","5","1") = "5"
    & skf21("2","4","6","6","3","6","6","1") = "5"
    & skf21("2","4","6","6","3","6","7","1") = "6"
    & skf21("2","4","6","6","3","7","1","1") = "6"
    & skf21("2","4","6","6","3","7","2","1") = "6"
    & skf21("2","4","6","6","3","7","3","1") = "6"
    & skf21("2","4","6","6","3","7","4","1") = "6"
    & skf21("2","4","6","6","3","7","5","1") = "6"
    & skf21("2","4","6","6","3","7","6","1") = "6"
    & skf21("2","4","6","6","3","7","7","1") = "6"
    & skf21("2","4","6","6","4","1","1","1") = "5"
    & skf21("2","4","6","6","4","1","2","1") = "5"
    & skf21("2","4","6","6","4","1","3","1") = "5"
    & skf21("2","4","6","6","4","1","4","1") = "5"
    & skf21("2","4","6","6","4","1","5","1") = "5"
    & skf21("2","4","6","6","4","1","6","1") = "5"
    & skf21("2","4","6","6","4","1","7","1") = "6"
    & skf21("2","4","6","6","4","2","1","1") = "5"
    & skf21("2","4","6","6","4","2","2","1") = "5"
    & skf21("2","4","6","6","4","2","3","1") = "5"
    & skf21("2","4","6","6","4","2","4","1") = "5"
    & skf21("2","4","6","6","4","2","5","1") = "5"
    & skf21("2","4","6","6","4","2","6","1") = "5"
    & skf21("2","4","6","6","4","2","7","1") = "6"
    & skf21("2","4","6","6","4","3","1","1") = "5"
    & skf21("2","4","6","6","4","3","2","1") = "5"
    & skf21("2","4","6","6","4","3","3","1") = "5"
    & skf21("2","4","6","6","4","3","4","1") = "5"
    & skf21("2","4","6","6","4","3","5","1") = "5"
    & skf21("2","4","6","6","4","3","6","1") = "5"
    & skf21("2","4","6","6","4","3","7","1") = "6"
    & skf21("2","4","6","6","4","4","1","1") = "5"
    & skf21("2","4","6","6","4","4","2","1") = "5"
    & skf21("2","4","6","6","4","4","3","1") = "5"
    & skf21("2","4","6","6","4","4","4","1") = "5"
    & skf21("2","4","6","6","4","4","5","1") = "5"
    & skf21("2","4","6","6","4","4","6","1") = "5"
    & skf21("2","4","6","6","4","4","7","1") = "6"
    & skf21("2","4","6","6","4","5","1","1") = "5"
    & skf21("2","4","6","6","4","5","2","1") = "5"
    & skf21("2","4","6","6","4","5","3","1") = "5"
    & skf21("2","4","6","6","4","5","4","1") = "5"
    & skf21("2","4","6","6","4","5","5","1") = "5"
    & skf21("2","4","6","6","4","5","6","1") = "5"
    & skf21("2","4","6","6","4","5","7","1") = "6"
    & skf21("2","4","6","6","4","6","1","1") = "5"
    & skf21("2","4","6","6","4","6","2","1") = "5"
    & skf21("2","4","6","6","4","6","3","1") = "5"
    & skf21("2","4","6","6","4","6","4","1") = "5"
    & skf21("2","4","6","6","4","6","5","1") = "5"
    & skf21("2","4","6","6","4","6","6","1") = "5"
    & skf21("2","4","6","6","4","6","7","1") = "6"
    & skf21("2","4","6","6","4","7","1","1") = "6"
    & skf21("2","4","6","6","4","7","2","1") = "6"
    & skf21("2","4","6","6","4","7","3","1") = "6"
    & skf21("2","4","6","6","4","7","4","1") = "6"
    & skf21("2","4","6","6","4","7","5","1") = "6"
    & skf21("2","4","6","6","4","7","6","1") = "6"
    & skf21("2","4","6","6","4","7","7","1") = "6"
    & skf21("2","4","6","6","5","1","1","1") = "5"
    & skf21("2","4","6","6","5","1","2","1") = "5"
    & skf21("2","4","6","6","5","1","3","1") = "5"
    & skf21("2","4","6","6","5","1","4","1") = "5"
    & skf21("2","4","6","6","5","1","5","1") = "5"
    & skf21("2","4","6","6","5","1","6","1") = "5"
    & skf21("2","4","6","6","5","1","7","1") = "6"
    & skf21("2","4","6","6","5","2","1","1") = "5"
    & skf21("2","4","6","6","5","2","2","1") = "5"
    & skf21("2","4","6","6","5","2","3","1") = "5"
    & skf21("2","4","6","6","5","2","4","1") = "5"
    & skf21("2","4","6","6","5","2","5","1") = "5"
    & skf21("2","4","6","6","5","2","6","1") = "5"
    & skf21("2","4","6","6","5","2","7","1") = "6"
    & skf21("2","4","6","6","5","3","1","1") = "5"
    & skf21("2","4","6","6","5","3","2","1") = "5"
    & skf21("2","4","6","6","5","3","3","1") = "5"
    & skf21("2","4","6","6","5","3","4","1") = "5"
    & skf21("2","4","6","6","5","3","5","1") = "5"
    & skf21("2","4","6","6","5","3","6","1") = "5"
    & skf21("2","4","6","6","5","3","7","1") = "6"
    & skf21("2","4","6","6","5","4","1","1") = "5"
    & skf21("2","4","6","6","5","4","2","1") = "5"
    & skf21("2","4","6","6","5","4","3","1") = "5"
    & skf21("2","4","6","6","5","4","4","1") = "5"
    & skf21("2","4","6","6","5","4","5","1") = "5"
    & skf21("2","4","6","6","5","4","6","1") = "5"
    & skf21("2","4","6","6","5","4","7","1") = "6"
    & skf21("2","4","6","6","5","5","1","1") = "5"
    & skf21("2","4","6","6","5","5","2","1") = "5"
    & skf21("2","4","6","6","5","5","3","1") = "5"
    & skf21("2","4","6","6","5","5","4","1") = "5"
    & skf21("2","4","6","6","5","5","5","1") = "5"
    & skf21("2","4","6","6","5","5","6","1") = "5"
    & skf21("2","4","6","6","5","5","7","1") = "6"
    & skf21("2","4","6","6","5","6","1","1") = "5"
    & skf21("2","4","6","6","5","6","2","1") = "5"
    & skf21("2","4","6","6","5","6","3","1") = "5"
    & skf21("2","4","6","6","5","6","4","1") = "5"
    & skf21("2","4","6","6","5","6","5","1") = "5"
    & skf21("2","4","6","6","5","6","6","1") = "5"
    & skf21("2","4","6","6","5","6","7","1") = "6"
    & skf21("2","4","6","6","5","7","1","1") = "6"
    & skf21("2","4","6","6","5","7","2","1") = "6"
    & skf21("2","4","6","6","5","7","3","1") = "6"
    & skf21("2","4","6","6","5","7","4","1") = "6"
    & skf21("2","4","6","6","5","7","5","1") = "6"
    & skf21("2","4","6","6","5","7","6","1") = "6"
    & skf21("2","4","6","6","5","7","7","1") = "6"
    & skf21("2","4","6","6","6","1","1","1") = "5"
    & skf21("2","4","6","6","6","1","2","1") = "5"
    & skf21("2","4","6","6","6","1","3","1") = "5"
    & skf21("2","4","6","6","6","1","4","1") = "5"
    & skf21("2","4","6","6","6","1","5","1") = "5"
    & skf21("2","4","6","6","6","1","6","1") = "5"
    & skf21("2","4","6","6","6","1","7","1") = "6"
    & skf21("2","4","6","6","6","2","1","1") = "5"
    & skf21("2","4","6","6","6","2","2","1") = "5"
    & skf21("2","4","6","6","6","2","3","1") = "5"
    & skf21("2","4","6","6","6","2","4","1") = "5"
    & skf21("2","4","6","6","6","2","5","1") = "5"
    & skf21("2","4","6","6","6","2","6","1") = "5"
    & skf21("2","4","6","6","6","2","7","1") = "6"
    & skf21("2","4","6","6","6","3","1","1") = "5"
    & skf21("2","4","6","6","6","3","2","1") = "5"
    & skf21("2","4","6","6","6","3","3","1") = "5"
    & skf21("2","4","6","6","6","3","4","1") = "5"
    & skf21("2","4","6","6","6","3","5","1") = "5"
    & skf21("2","4","6","6","6","3","6","1") = "5"
    & skf21("2","4","6","6","6","3","7","1") = "6"
    & skf21("2","4","6","6","6","4","1","1") = "5"
    & skf21("2","4","6","6","6","4","2","1") = "5"
    & skf21("2","4","6","6","6","4","3","1") = "5"
    & skf21("2","4","6","6","6","4","4","1") = "5"
    & skf21("2","4","6","6","6","4","5","1") = "5"
    & skf21("2","4","6","6","6","4","6","1") = "5"
    & skf21("2","4","6","6","6","4","7","1") = "6"
    & skf21("2","4","6","6","6","5","1","1") = "5"
    & skf21("2","4","6","6","6","5","2","1") = "5"
    & skf21("2","4","6","6","6","5","3","1") = "5"
    & skf21("2","4","6","6","6","5","4","1") = "5"
    & skf21("2","4","6","6","6","5","5","1") = "5"
    & skf21("2","4","6","6","6","5","6","1") = "5"
    & skf21("2","4","6","6","6","5","7","1") = "6"
    & skf21("2","4","6","6","6","6","1","1") = "5"
    & skf21("2","4","6","6","6","6","2","1") = "5"
    & skf21("2","4","6","6","6","6","3","1") = "5"
    & skf21("2","4","6","6","6","6","4","1") = "5"
    & skf21("2","4","6","6","6","6","5","1") = "5"
    & skf21("2","4","6","6","6","6","6","1") = "5"
    & skf21("2","4","6","6","6","6","7","1") = "6"
    & skf21("2","4","6","6","6","7","1","1") = "6"
    & skf21("2","4","6","6","6","7","2","1") = "6"
    & skf21("2","4","6","6","6","7","3","1") = "6"
    & skf21("2","4","6","6","6","7","4","1") = "6"
    & skf21("2","4","6","6","6","7","5","1") = "6"
    & skf21("2","4","6","6","6","7","6","1") = "6"
    & skf21("2","4","6","6","6","7","7","1") = "6"
    & skf21("2","4","6","6","7","1","1","1") = "6"
    & skf21("2","4","6","6","7","1","2","1") = "6"
    & skf21("2","4","6","6","7","1","3","1") = "6"
    & skf21("2","4","6","6","7","1","4","1") = "6"
    & skf21("2","4","6","6","7","1","5","1") = "6"
    & skf21("2","4","6","6","7","1","6","1") = "6"
    & skf21("2","4","6","6","7","1","7","1") = "6"
    & skf21("2","4","6","6","7","2","1","1") = "6"
    & skf21("2","4","6","6","7","2","2","1") = "6"
    & skf21("2","4","6","6","7","2","3","1") = "6"
    & skf21("2","4","6","6","7","2","4","1") = "6"
    & skf21("2","4","6","6","7","2","5","1") = "6"
    & skf21("2","4","6","6","7","2","6","1") = "6"
    & skf21("2","4","6","6","7","2","7","1") = "6"
    & skf21("2","4","6","6","7","3","1","1") = "6"
    & skf21("2","4","6","6","7","3","2","1") = "6"
    & skf21("2","4","6","6","7","3","3","1") = "6"
    & skf21("2","4","6","6","7","3","4","1") = "6"
    & skf21("2","4","6","6","7","3","5","1") = "6"
    & skf21("2","4","6","6","7","3","6","1") = "6"
    & skf21("2","4","6","6","7","3","7","1") = "6"
    & skf21("2","4","6","6","7","4","1","1") = "6"
    & skf21("2","4","6","6","7","4","2","1") = "6"
    & skf21("2","4","6","6","7","4","3","1") = "6"
    & skf21("2","4","6","6","7","4","4","1") = "6"
    & skf21("2","4","6","6","7","4","5","1") = "6"
    & skf21("2","4","6","6","7","4","6","1") = "6"
    & skf21("2","4","6","6","7","4","7","1") = "6"
    & skf21("2","4","6","6","7","5","1","1") = "6"
    & skf21("2","4","6","6","7","5","2","1") = "6"
    & skf21("2","4","6","6","7","5","3","1") = "6"
    & skf21("2","4","6","6","7","5","4","1") = "6"
    & skf21("2","4","6","6","7","5","5","1") = "6"
    & skf21("2","4","6","6","7","5","6","1") = "6"
    & skf21("2","4","6","6","7","5","7","1") = "6"
    & skf21("2","4","6","6","7","6","1","1") = "6"
    & skf21("2","4","6","6","7","6","2","1") = "6"
    & skf21("2","4","6","6","7","6","3","1") = "6"
    & skf21("2","4","6","6","7","6","4","1") = "6"
    & skf21("2","4","6","6","7","6","5","1") = "6"
    & skf21("2","4","6","6","7","6","6","1") = "6"
    & skf21("2","4","6","6","7","6","7","1") = "6"
    & skf21("2","4","6","6","7","7","1","1") = "6"
    & skf21("2","4","6","6","7","7","2","1") = "6"
    & skf21("2","4","6","6","7","7","3","1") = "6"
    & skf21("2","4","6","6","7","7","4","1") = "6"
    & skf21("2","4","6","6","7","7","5","1") = "6"
    & skf21("2","4","6","6","7","7","6","1") = "6"
    & skf21("2","4","6","6","7","7","7","1") = "6"
    & skf21("2","4","6","7","1","1","1","1") = "6"
    & skf21("2","4","6","7","1","1","2","1") = "6"
    & skf21("2","4","6","7","1","1","3","1") = "6"
    & skf21("2","4","6","7","1","1","4","1") = "6"
    & skf21("2","4","6","7","1","1","5","1") = "6"
    & skf21("2","4","6","7","1","1","6","1") = "6"
    & skf21("2","4","6","7","1","1","7","1") = "6"
    & skf21("2","4","6","7","1","2","1","1") = "6"
    & skf21("2","4","6","7","1","2","2","1") = "6"
    & skf21("2","4","6","7","1","2","3","1") = "6"
    & skf21("2","4","6","7","1","2","4","1") = "6"
    & skf21("2","4","6","7","1","2","5","1") = "6"
    & skf21("2","4","6","7","1","2","6","1") = "6"
    & skf21("2","4","6","7","1","2","7","1") = "6"
    & skf21("2","4","6","7","1","3","1","1") = "6"
    & skf21("2","4","6","7","1","3","2","1") = "6"
    & skf21("2","4","6","7","1","3","3","1") = "6"
    & skf21("2","4","6","7","1","3","4","1") = "6"
    & skf21("2","4","6","7","1","3","5","1") = "6"
    & skf21("2","4","6","7","1","3","6","1") = "6"
    & skf21("2","4","6","7","1","3","7","1") = "6"
    & skf21("2","4","6","7","1","4","1","1") = "6"
    & skf21("2","4","6","7","1","4","2","1") = "6"
    & skf21("2","4","6","7","1","4","3","1") = "6"
    & skf21("2","4","6","7","1","4","4","1") = "6"
    & skf21("2","4","6","7","1","4","5","1") = "6"
    & skf21("2","4","6","7","1","4","6","1") = "6"
    & skf21("2","4","6","7","1","4","7","1") = "6"
    & skf21("2","4","6","7","1","5","1","1") = "6"
    & skf21("2","4","6","7","1","5","2","1") = "6"
    & skf21("2","4","6","7","1","5","3","1") = "6"
    & skf21("2","4","6","7","1","5","4","1") = "6"
    & skf21("2","4","6","7","1","5","5","1") = "6"
    & skf21("2","4","6","7","1","5","6","1") = "6"
    & skf21("2","4","6","7","1","5","7","1") = "6"
    & skf21("2","4","6","7","1","6","1","1") = "6"
    & skf21("2","4","6","7","1","6","2","1") = "6"
    & skf21("2","4","6","7","1","6","3","1") = "6"
    & skf21("2","4","6","7","1","6","4","1") = "6"
    & skf21("2","4","6","7","1","6","5","1") = "6"
    & skf21("2","4","6","7","1","6","6","1") = "6"
    & skf21("2","4","6","7","1","6","7","1") = "6"
    & skf21("2","4","6","7","1","7","1","1") = "6"
    & skf21("2","4","6","7","1","7","2","1") = "6"
    & skf21("2","4","6","7","1","7","3","1") = "6"
    & skf21("2","4","6","7","1","7","4","1") = "6"
    & skf21("2","4","6","7","1","7","5","1") = "6"
    & skf21("2","4","6","7","1","7","6","1") = "6"
    & skf21("2","4","6","7","1","7","7","1") = "6"
    & skf21("2","4","6","7","2","1","1","1") = "6"
    & skf21("2","4","6","7","2","1","2","1") = "6"
    & skf21("2","4","6","7","2","1","3","1") = "6"
    & skf21("2","4","6","7","2","1","4","1") = "6"
    & skf21("2","4","6","7","2","1","5","1") = "6"
    & skf21("2","4","6","7","2","1","6","1") = "6"
    & skf21("2","4","6","7","2","1","7","1") = "6"
    & skf21("2","4","6","7","2","2","1","1") = "6"
    & skf21("2","4","6","7","2","2","2","1") = "6"
    & skf21("2","4","6","7","2","2","3","1") = "6"
    & skf21("2","4","6","7","2","2","4","1") = "6"
    & skf21("2","4","6","7","2","2","5","1") = "6"
    & skf21("2","4","6","7","2","2","6","1") = "6"
    & skf21("2","4","6","7","2","2","7","1") = "6"
    & skf21("2","4","6","7","2","3","1","1") = "6"
    & skf21("2","4","6","7","2","3","2","1") = "6"
    & skf21("2","4","6","7","2","3","3","1") = "6"
    & skf21("2","4","6","7","2","3","4","1") = "6"
    & skf21("2","4","6","7","2","3","5","1") = "6"
    & skf21("2","4","6","7","2","3","6","1") = "6"
    & skf21("2","4","6","7","2","3","7","1") = "6"
    & skf21("2","4","6","7","2","4","1","1") = "6"
    & skf21("2","4","6","7","2","4","2","1") = "6"
    & skf21("2","4","6","7","2","4","3","1") = "6"
    & skf21("2","4","6","7","2","4","4","1") = "6"
    & skf21("2","4","6","7","2","4","5","1") = "6"
    & skf21("2","4","6","7","2","4","6","1") = "6"
    & skf21("2","4","6","7","2","4","7","1") = "6"
    & skf21("2","4","6","7","2","5","1","1") = "6"
    & skf21("2","4","6","7","2","5","2","1") = "6"
    & skf21("2","4","6","7","2","5","3","1") = "6"
    & skf21("2","4","6","7","2","5","4","1") = "6"
    & skf21("2","4","6","7","2","5","5","1") = "6"
    & skf21("2","4","6","7","2","5","6","1") = "6"
    & skf21("2","4","6","7","2","5","7","1") = "6"
    & skf21("2","4","6","7","2","6","1","1") = "6"
    & skf21("2","4","6","7","2","6","2","1") = "6"
    & skf21("2","4","6","7","2","6","3","1") = "6"
    & skf21("2","4","6","7","2","6","4","1") = "6"
    & skf21("2","4","6","7","2","6","5","1") = "6"
    & skf21("2","4","6","7","2","6","6","1") = "6"
    & skf21("2","4","6","7","2","6","7","1") = "6"
    & skf21("2","4","6","7","2","7","1","1") = "6"
    & skf21("2","4","6","7","2","7","2","1") = "6"
    & skf21("2","4","6","7","2","7","3","1") = "6"
    & skf21("2","4","6","7","2","7","4","1") = "6"
    & skf21("2","4","6","7","2","7","5","1") = "6"
    & skf21("2","4","6","7","2","7","6","1") = "6"
    & skf21("2","4","6","7","2","7","7","1") = "6"
    & skf21("2","4","6","7","3","1","1","1") = "6"
    & skf21("2","4","6","7","3","1","2","1") = "6"
    & skf21("2","4","6","7","3","1","3","1") = "6"
    & skf21("2","4","6","7","3","1","4","1") = "6"
    & skf21("2","4","6","7","3","1","5","1") = "6"
    & skf21("2","4","6","7","3","1","6","1") = "6"
    & skf21("2","4","6","7","3","1","7","1") = "6"
    & skf21("2","4","6","7","3","2","1","1") = "6"
    & skf21("2","4","6","7","3","2","2","1") = "6"
    & skf21("2","4","6","7","3","2","3","1") = "6"
    & skf21("2","4","6","7","3","2","4","1") = "6"
    & skf21("2","4","6","7","3","2","5","1") = "6"
    & skf21("2","4","6","7","3","2","6","1") = "6"
    & skf21("2","4","6","7","3","2","7","1") = "6"
    & skf21("2","4","6","7","3","3","1","1") = "6"
    & skf21("2","4","6","7","3","3","2","1") = "6"
    & skf21("2","4","6","7","3","3","3","1") = "6"
    & skf21("2","4","6","7","3","3","4","1") = "6"
    & skf21("2","4","6","7","3","3","5","1") = "6"
    & skf21("2","4","6","7","3","3","6","1") = "6"
    & skf21("2","4","6","7","3","3","7","1") = "6"
    & skf21("2","4","6","7","3","4","1","1") = "6"
    & skf21("2","4","6","7","3","4","2","1") = "6"
    & skf21("2","4","6","7","3","4","3","1") = "6"
    & skf21("2","4","6","7","3","4","4","1") = "6"
    & skf21("2","4","6","7","3","4","5","1") = "6"
    & skf21("2","4","6","7","3","4","6","1") = "6"
    & skf21("2","4","6","7","3","4","7","1") = "6"
    & skf21("2","4","6","7","3","5","1","1") = "6"
    & skf21("2","4","6","7","3","5","2","1") = "6"
    & skf21("2","4","6","7","3","5","3","1") = "6"
    & skf21("2","4","6","7","3","5","4","1") = "6"
    & skf21("2","4","6","7","3","5","5","1") = "6"
    & skf21("2","4","6","7","3","5","6","1") = "6"
    & skf21("2","4","6","7","3","5","7","1") = "6"
    & skf21("2","4","6","7","3","6","1","1") = "6"
    & skf21("2","4","6","7","3","6","2","1") = "6"
    & skf21("2","4","6","7","3","6","3","1") = "6"
    & skf21("2","4","6","7","3","6","4","1") = "6"
    & skf21("2","4","6","7","3","6","5","1") = "6"
    & skf21("2","4","6","7","3","6","6","1") = "6"
    & skf21("2","4","6","7","3","6","7","1") = "6"
    & skf21("2","4","6","7","3","7","1","1") = "6"
    & skf21("2","4","6","7","3","7","2","1") = "6"
    & skf21("2","4","6","7","3","7","3","1") = "6"
    & skf21("2","4","6","7","3","7","4","1") = "6"
    & skf21("2","4","6","7","3","7","5","1") = "6"
    & skf21("2","4","6","7","3","7","6","1") = "6"
    & skf21("2","4","6","7","3","7","7","1") = "6"
    & skf21("2","4","6","7","4","1","1","1") = "6"
    & skf21("2","4","6","7","4","1","2","1") = "6"
    & skf21("2","4","6","7","4","1","3","1") = "6"
    & skf21("2","4","6","7","4","1","4","1") = "6"
    & skf21("2","4","6","7","4","1","5","1") = "6"
    & skf21("2","4","6","7","4","1","6","1") = "6"
    & skf21("2","4","6","7","4","1","7","1") = "6"
    & skf21("2","4","6","7","4","2","1","1") = "6"
    & skf21("2","4","6","7","4","2","2","1") = "6"
    & skf21("2","4","6","7","4","2","3","1") = "6"
    & skf21("2","4","6","7","4","2","4","1") = "6"
    & skf21("2","4","6","7","4","2","5","1") = "6"
    & skf21("2","4","6","7","4","2","6","1") = "6"
    & skf21("2","4","6","7","4","2","7","1") = "6"
    & skf21("2","4","6","7","4","3","1","1") = "6"
    & skf21("2","4","6","7","4","3","2","1") = "6"
    & skf21("2","4","6","7","4","3","3","1") = "6"
    & skf21("2","4","6","7","4","3","4","1") = "6"
    & skf21("2","4","6","7","4","3","5","1") = "6"
    & skf21("2","4","6","7","4","3","6","1") = "6"
    & skf21("2","4","6","7","4","3","7","1") = "6"
    & skf21("2","4","6","7","4","4","1","1") = "6"
    & skf21("2","4","6","7","4","4","2","1") = "6"
    & skf21("2","4","6","7","4","4","3","1") = "6"
    & skf21("2","4","6","7","4","4","4","1") = "6"
    & skf21("2","4","6","7","4","4","5","1") = "6"
    & skf21("2","4","6","7","4","4","6","1") = "6"
    & skf21("2","4","6","7","4","4","7","1") = "6"
    & skf21("2","4","6","7","4","5","1","1") = "6"
    & skf21("2","4","6","7","4","5","2","1") = "6"
    & skf21("2","4","6","7","4","5","3","1") = "6"
    & skf21("2","4","6","7","4","5","4","1") = "6"
    & skf21("2","4","6","7","4","5","5","1") = "6"
    & skf21("2","4","6","7","4","5","6","1") = "6"
    & skf21("2","4","6","7","4","5","7","1") = "6"
    & skf21("2","4","6","7","4","6","1","1") = "6"
    & skf21("2","4","6","7","4","6","2","1") = "6"
    & skf21("2","4","6","7","4","6","3","1") = "6"
    & skf21("2","4","6","7","4","6","4","1") = "6"
    & skf21("2","4","6","7","4","6","5","1") = "6"
    & skf21("2","4","6","7","4","6","6","1") = "6"
    & skf21("2","4","6","7","4","6","7","1") = "6"
    & skf21("2","4","6","7","4","7","1","1") = "6"
    & skf21("2","4","6","7","4","7","2","1") = "6"
    & skf21("2","4","6","7","4","7","3","1") = "6"
    & skf21("2","4","6","7","4","7","4","1") = "6"
    & skf21("2","4","6","7","4","7","5","1") = "6"
    & skf21("2","4","6","7","4","7","6","1") = "6"
    & skf21("2","4","6","7","4","7","7","1") = "6"
    & skf21("2","4","6","7","5","1","1","1") = "6"
    & skf21("2","4","6","7","5","1","2","1") = "6"
    & skf21("2","4","6","7","5","1","3","1") = "6"
    & skf21("2","4","6","7","5","1","4","1") = "6"
    & skf21("2","4","6","7","5","1","5","1") = "6"
    & skf21("2","4","6","7","5","1","6","1") = "6"
    & skf21("2","4","6","7","5","1","7","1") = "6"
    & skf21("2","4","6","7","5","2","1","1") = "6"
    & skf21("2","4","6","7","5","2","2","1") = "6"
    & skf21("2","4","6","7","5","2","3","1") = "6"
    & skf21("2","4","6","7","5","2","4","1") = "6"
    & skf21("2","4","6","7","5","2","5","1") = "6"
    & skf21("2","4","6","7","5","2","6","1") = "6"
    & skf21("2","4","6","7","5","2","7","1") = "6"
    & skf21("2","4","6","7","5","3","1","1") = "6"
    & skf21("2","4","6","7","5","3","2","1") = "6"
    & skf21("2","4","6","7","5","3","3","1") = "6"
    & skf21("2","4","6","7","5","3","4","1") = "6"
    & skf21("2","4","6","7","5","3","5","1") = "6"
    & skf21("2","4","6","7","5","3","6","1") = "6"
    & skf21("2","4","6","7","5","3","7","1") = "6"
    & skf21("2","4","6","7","5","4","1","1") = "6"
    & skf21("2","4","6","7","5","4","2","1") = "6"
    & skf21("2","4","6","7","5","4","3","1") = "6"
    & skf21("2","4","6","7","5","4","4","1") = "6"
    & skf21("2","4","6","7","5","4","5","1") = "6"
    & skf21("2","4","6","7","5","4","6","1") = "6"
    & skf21("2","4","6","7","5","4","7","1") = "6"
    & skf21("2","4","6","7","5","5","1","1") = "6"
    & skf21("2","4","6","7","5","5","2","1") = "6"
    & skf21("2","4","6","7","5","5","3","1") = "6"
    & skf21("2","4","6","7","5","5","4","1") = "6"
    & skf21("2","4","6","7","5","5","5","1") = "6"
    & skf21("2","4","6","7","5","5","6","1") = "6"
    & skf21("2","4","6","7","5","5","7","1") = "6"
    & skf21("2","4","6","7","5","6","1","1") = "6"
    & skf21("2","4","6","7","5","6","2","1") = "6"
    & skf21("2","4","6","7","5","6","3","1") = "6"
    & skf21("2","4","6","7","5","6","4","1") = "6"
    & skf21("2","4","6","7","5","6","5","1") = "6"
    & skf21("2","4","6","7","5","6","6","1") = "6"
    & skf21("2","4","6","7","5","6","7","1") = "6"
    & skf21("2","4","6","7","5","7","1","1") = "6"
    & skf21("2","4","6","7","5","7","2","1") = "6"
    & skf21("2","4","6","7","5","7","3","1") = "6"
    & skf21("2","4","6","7","5","7","4","1") = "6"
    & skf21("2","4","6","7","5","7","5","1") = "6"
    & skf21("2","4","6","7","5","7","6","1") = "6"
    & skf21("2","4","6","7","5","7","7","1") = "6"
    & skf21("2","4","6","7","6","1","1","1") = "6"
    & skf21("2","4","6","7","6","1","2","1") = "6"
    & skf21("2","4","6","7","6","1","3","1") = "6"
    & skf21("2","4","6","7","6","1","4","1") = "6"
    & skf21("2","4","6","7","6","1","5","1") = "6"
    & skf21("2","4","6","7","6","1","6","1") = "6"
    & skf21("2","4","6","7","6","1","7","1") = "6"
    & skf21("2","4","6","7","6","2","1","1") = "6"
    & skf21("2","4","6","7","6","2","2","1") = "6"
    & skf21("2","4","6","7","6","2","3","1") = "6"
    & skf21("2","4","6","7","6","2","4","1") = "6"
    & skf21("2","4","6","7","6","2","5","1") = "6"
    & skf21("2","4","6","7","6","2","6","1") = "6"
    & skf21("2","4","6","7","6","2","7","1") = "6"
    & skf21("2","4","6","7","6","3","1","1") = "6"
    & skf21("2","4","6","7","6","3","2","1") = "6"
    & skf21("2","4","6","7","6","3","3","1") = "6"
    & skf21("2","4","6","7","6","3","4","1") = "6"
    & skf21("2","4","6","7","6","3","5","1") = "6"
    & skf21("2","4","6","7","6","3","6","1") = "6"
    & skf21("2","4","6","7","6","3","7","1") = "6"
    & skf21("2","4","6","7","6","4","1","1") = "6"
    & skf21("2","4","6","7","6","4","2","1") = "6"
    & skf21("2","4","6","7","6","4","3","1") = "6"
    & skf21("2","4","6","7","6","4","4","1") = "6"
    & skf21("2","4","6","7","6","4","5","1") = "6"
    & skf21("2","4","6","7","6","4","6","1") = "6"
    & skf21("2","4","6","7","6","4","7","1") = "6"
    & skf21("2","4","6","7","6","5","1","1") = "6"
    & skf21("2","4","6","7","6","5","2","1") = "6"
    & skf21("2","4","6","7","6","5","3","1") = "6"
    & skf21("2","4","6","7","6","5","4","1") = "6"
    & skf21("2","4","6","7","6","5","5","1") = "6"
    & skf21("2","4","6","7","6","5","6","1") = "6"
    & skf21("2","4","6","7","6","5","7","1") = "6"
    & skf21("2","4","6","7","6","6","1","1") = "6"
    & skf21("2","4","6","7","6","6","2","1") = "6"
    & skf21("2","4","6","7","6","6","3","1") = "6"
    & skf21("2","4","6","7","6","6","4","1") = "6"
    & skf21("2","4","6","7","6","6","5","1") = "6"
    & skf21("2","4","6","7","6","6","6","1") = "6"
    & skf21("2","4","6","7","6","6","7","1") = "6"
    & skf21("2","4","6","7","6","7","1","1") = "6"
    & skf21("2","4","6","7","6","7","2","1") = "6"
    & skf21("2","4","6","7","6","7","3","1") = "6"
    & skf21("2","4","6","7","6","7","4","1") = "6"
    & skf21("2","4","6","7","6","7","5","1") = "6"
    & skf21("2","4","6","7","6","7","6","1") = "6"
    & skf21("2","4","6","7","6","7","7","1") = "6"
    & skf21("2","4","6","7","7","1","1","1") = "6"
    & skf21("2","4","6","7","7","1","2","1") = "6"
    & skf21("2","4","6","7","7","1","3","1") = "6"
    & skf21("2","4","6","7","7","1","4","1") = "6"
    & skf21("2","4","6","7","7","1","5","1") = "6"
    & skf21("2","4","6","7","7","1","6","1") = "6"
    & skf21("2","4","6","7","7","1","7","1") = "6"
    & skf21("2","4","6","7","7","2","1","1") = "6"
    & skf21("2","4","6","7","7","2","2","1") = "6"
    & skf21("2","4","6","7","7","2","3","1") = "6"
    & skf21("2","4","6","7","7","2","4","1") = "6"
    & skf21("2","4","6","7","7","2","5","1") = "6"
    & skf21("2","4","6","7","7","2","6","1") = "6"
    & skf21("2","4","6","7","7","2","7","1") = "6"
    & skf21("2","4","6","7","7","3","1","1") = "6"
    & skf21("2","4","6","7","7","3","2","1") = "6"
    & skf21("2","4","6","7","7","3","3","1") = "6"
    & skf21("2","4","6","7","7","3","4","1") = "6"
    & skf21("2","4","6","7","7","3","5","1") = "6"
    & skf21("2","4","6","7","7","3","6","1") = "6"
    & skf21("2","4","6","7","7","3","7","1") = "6"
    & skf21("2","4","6","7","7","4","1","1") = "6"
    & skf21("2","4","6","7","7","4","2","1") = "6"
    & skf21("2","4","6","7","7","4","3","1") = "6"
    & skf21("2","4","6","7","7","4","4","1") = "6"
    & skf21("2","4","6","7","7","4","5","1") = "6"
    & skf21("2","4","6","7","7","4","6","1") = "6"
    & skf21("2","4","6","7","7","4","7","1") = "6"
    & skf21("2","4","6","7","7","5","1","1") = "6"
    & skf21("2","4","6","7","7","5","2","1") = "6"
    & skf21("2","4","6","7","7","5","3","1") = "6"
    & skf21("2","4","6","7","7","5","4","1") = "6"
    & skf21("2","4","6","7","7","5","5","1") = "6"
    & skf21("2","4","6","7","7","5","6","1") = "6"
    & skf21("2","4","6","7","7","5","7","1") = "6"
    & skf21("2","4","6","7","7","6","1","1") = "6"
    & skf21("2","4","6","7","7","6","2","1") = "6"
    & skf21("2","4","6","7","7","6","3","1") = "6"
    & skf21("2","4","6","7","7","6","4","1") = "6"
    & skf21("2","4","6","7","7","6","5","1") = "6"
    & skf21("2","4","6","7","7","6","6","1") = "6"
    & skf21("2","4","6","7","7","6","7","1") = "6"
    & skf21("2","4","6","7","7","7","1","1") = "6"
    & skf21("2","4","6","7","7","7","2","1") = "6"
    & skf21("2","4","6","7","7","7","3","1") = "6"
    & skf21("2","4","6","7","7","7","4","1") = "6"
    & skf21("2","4","6","7","7","7","5","1") = "6"
    & skf21("2","4","6","7","7","7","6","1") = "6"
    & skf21("2","4","6","7","7","7","7","1") = "6"
    & skf21("2","4","7","1","1","1","1","1") = "6"
    & skf21("2","4","7","1","1","1","2","1") = "6"
    & skf21("2","4","7","1","1","1","3","1") = "6"
    & skf21("2","4","7","1","1","1","4","1") = "6"
    & skf21("2","4","7","1","1","1","5","1") = "6"
    & skf21("2","4","7","1","1","1","6","1") = "6"
    & skf21("2","4","7","1","1","1","7","1") = "6"
    & skf21("2","4","7","1","1","2","1","1") = "6"
    & skf21("2","4","7","1","1","2","2","1") = "6"
    & skf21("2","4","7","1","1","2","3","1") = "6"
    & skf21("2","4","7","1","1","2","4","1") = "6"
    & skf21("2","4","7","1","1","2","5","1") = "6"
    & skf21("2","4","7","1","1","2","6","1") = "6"
    & skf21("2","4","7","1","1","2","7","1") = "6"
    & skf21("2","4","7","1","1","3","1","1") = "6"
    & skf21("2","4","7","1","1","3","2","1") = "6"
    & skf21("2","4","7","1","1","3","3","1") = "6"
    & skf21("2","4","7","1","1","3","4","1") = "6"
    & skf21("2","4","7","1","1","3","5","1") = "6"
    & skf21("2","4","7","1","1","3","6","1") = "6"
    & skf21("2","4","7","1","1","3","7","1") = "6"
    & skf21("2","4","7","1","1","4","1","1") = "6"
    & skf21("2","4","7","1","1","4","2","1") = "6"
    & skf21("2","4","7","1","1","4","3","1") = "6"
    & skf21("2","4","7","1","1","4","4","1") = "6"
    & skf21("2","4","7","1","1","4","5","1") = "6"
    & skf21("2","4","7","1","1","4","6","1") = "6"
    & skf21("2","4","7","1","1","4","7","1") = "6"
    & skf21("2","4","7","1","1","5","1","1") = "6"
    & skf21("2","4","7","1","1","5","2","1") = "6"
    & skf21("2","4","7","1","1","5","3","1") = "6"
    & skf21("2","4","7","1","1","5","4","1") = "6"
    & skf21("2","4","7","1","1","5","5","1") = "6"
    & skf21("2","4","7","1","1","5","6","1") = "6"
    & skf21("2","4","7","1","1","5","7","1") = "6"
    & skf21("2","4","7","1","1","6","1","1") = "6"
    & skf21("2","4","7","1","1","6","2","1") = "6"
    & skf21("2","4","7","1","1","6","3","1") = "6"
    & skf21("2","4","7","1","1","6","4","1") = "6"
    & skf21("2","4","7","1","1","6","5","1") = "6"
    & skf21("2","4","7","1","1","6","6","1") = "6"
    & skf21("2","4","7","1","1","6","7","1") = "6"
    & skf21("2","4","7","1","1","7","1","1") = "6"
    & skf21("2","4","7","1","1","7","2","1") = "6"
    & skf21("2","4","7","1","1","7","3","1") = "6"
    & skf21("2","4","7","1","1","7","4","1") = "6"
    & skf21("2","4","7","1","1","7","5","1") = "6"
    & skf21("2","4","7","1","1","7","6","1") = "6"
    & skf21("2","4","7","1","1","7","7","1") = "6"
    & skf21("2","4","7","1","2","1","1","1") = "6"
    & skf21("2","4","7","1","2","1","2","1") = "6"
    & skf21("2","4","7","1","2","1","3","1") = "6"
    & skf21("2","4","7","1","2","1","4","1") = "6"
    & skf21("2","4","7","1","2","1","5","1") = "6"
    & skf21("2","4","7","1","2","1","6","1") = "6"
    & skf21("2","4","7","1","2","1","7","1") = "6"
    & skf21("2","4","7","1","2","2","1","1") = "6"
    & skf21("2","4","7","1","2","2","2","1") = "6"
    & skf21("2","4","7","1","2","2","3","1") = "6"
    & skf21("2","4","7","1","2","2","4","1") = "6"
    & skf21("2","4","7","1","2","2","5","1") = "6"
    & skf21("2","4","7","1","2","2","6","1") = "6"
    & skf21("2","4","7","1","2","2","7","1") = "6"
    & skf21("2","4","7","1","2","3","1","1") = "6"
    & skf21("2","4","7","1","2","3","2","1") = "6"
    & skf21("2","4","7","1","2","3","3","1") = "6"
    & skf21("2","4","7","1","2","3","4","1") = "6"
    & skf21("2","4","7","1","2","3","5","1") = "6"
    & skf21("2","4","7","1","2","3","6","1") = "6"
    & skf21("2","4","7","1","2","3","7","1") = "6"
    & skf21("2","4","7","1","2","4","1","1") = "6"
    & skf21("2","4","7","1","2","4","2","1") = "6"
    & skf21("2","4","7","1","2","4","3","1") = "6"
    & skf21("2","4","7","1","2","4","4","1") = "6"
    & skf21("2","4","7","1","2","4","5","1") = "6"
    & skf21("2","4","7","1","2","4","6","1") = "6"
    & skf21("2","4","7","1","2","4","7","1") = "6"
    & skf21("2","4","7","1","2","5","1","1") = "6"
    & skf21("2","4","7","1","2","5","2","1") = "6"
    & skf21("2","4","7","1","2","5","3","1") = "6"
    & skf21("2","4","7","1","2","5","4","1") = "6"
    & skf21("2","4","7","1","2","5","5","1") = "6"
    & skf21("2","4","7","1","2","5","6","1") = "6"
    & skf21("2","4","7","1","2","5","7","1") = "6"
    & skf21("2","4","7","1","2","6","1","1") = "6"
    & skf21("2","4","7","1","2","6","2","1") = "6"
    & skf21("2","4","7","1","2","6","3","1") = "6"
    & skf21("2","4","7","1","2","6","4","1") = "6"
    & skf21("2","4","7","1","2","6","5","1") = "6"
    & skf21("2","4","7","1","2","6","6","1") = "6"
    & skf21("2","4","7","1","2","6","7","1") = "6"
    & skf21("2","4","7","1","2","7","1","1") = "6"
    & skf21("2","4","7","1","2","7","2","1") = "6"
    & skf21("2","4","7","1","2","7","3","1") = "6"
    & skf21("2","4","7","1","2","7","4","1") = "6"
    & skf21("2","4","7","1","2","7","5","1") = "6"
    & skf21("2","4","7","1","2","7","6","1") = "6"
    & skf21("2","4","7","1","2","7","7","1") = "6"
    & skf21("2","4","7","1","3","1","1","1") = "6"
    & skf21("2","4","7","1","3","1","2","1") = "6"
    & skf21("2","4","7","1","3","1","3","1") = "6"
    & skf21("2","4","7","1","3","1","4","1") = "6"
    & skf21("2","4","7","1","3","1","5","1") = "6"
    & skf21("2","4","7","1","3","1","6","1") = "6"
    & skf21("2","4","7","1","3","1","7","1") = "6"
    & skf21("2","4","7","1","3","2","1","1") = "6"
    & skf21("2","4","7","1","3","2","2","1") = "6"
    & skf21("2","4","7","1","3","2","3","1") = "6"
    & skf21("2","4","7","1","3","2","4","1") = "6"
    & skf21("2","4","7","1","3","2","5","1") = "6"
    & skf21("2","4","7","1","3","2","6","1") = "6"
    & skf21("2","4","7","1","3","2","7","1") = "6"
    & skf21("2","4","7","1","3","3","1","1") = "6"
    & skf21("2","4","7","1","3","3","2","1") = "6"
    & skf21("2","4","7","1","3","3","3","1") = "6"
    & skf21("2","4","7","1","3","3","4","1") = "6"
    & skf21("2","4","7","1","3","3","5","1") = "6"
    & skf21("2","4","7","1","3","3","6","1") = "6"
    & skf21("2","4","7","1","3","3","7","1") = "6"
    & skf21("2","4","7","1","3","4","1","1") = "6"
    & skf21("2","4","7","1","3","4","2","1") = "6"
    & skf21("2","4","7","1","3","4","3","1") = "6"
    & skf21("2","4","7","1","3","4","4","1") = "6"
    & skf21("2","4","7","1","3","4","5","1") = "6"
    & skf21("2","4","7","1","3","4","6","1") = "6"
    & skf21("2","4","7","1","3","4","7","1") = "6"
    & skf21("2","4","7","1","3","5","1","1") = "6"
    & skf21("2","4","7","1","3","5","2","1") = "6"
    & skf21("2","4","7","1","3","5","3","1") = "6"
    & skf21("2","4","7","1","3","5","4","1") = "6"
    & skf21("2","4","7","1","3","5","5","1") = "6"
    & skf21("2","4","7","1","3","5","6","1") = "6"
    & skf21("2","4","7","1","3","5","7","1") = "6"
    & skf21("2","4","7","1","3","6","1","1") = "6"
    & skf21("2","4","7","1","3","6","2","1") = "6"
    & skf21("2","4","7","1","3","6","3","1") = "6"
    & skf21("2","4","7","1","3","6","4","1") = "6"
    & skf21("2","4","7","1","3","6","5","1") = "6"
    & skf21("2","4","7","1","3","6","6","1") = "6"
    & skf21("2","4","7","1","3","6","7","1") = "6"
    & skf21("2","4","7","1","3","7","1","1") = "6"
    & skf21("2","4","7","1","3","7","2","1") = "6"
    & skf21("2","4","7","1","3","7","3","1") = "6"
    & skf21("2","4","7","1","3","7","4","1") = "6"
    & skf21("2","4","7","1","3","7","5","1") = "6"
    & skf21("2","4","7","1","3","7","6","1") = "6"
    & skf21("2","4","7","1","3","7","7","1") = "6"
    & skf21("2","4","7","1","4","1","1","1") = "6"
    & skf21("2","4","7","1","4","1","2","1") = "6"
    & skf21("2","4","7","1","4","1","3","1") = "6"
    & skf21("2","4","7","1","4","1","4","1") = "6"
    & skf21("2","4","7","1","4","1","5","1") = "6"
    & skf21("2","4","7","1","4","1","6","1") = "6"
    & skf21("2","4","7","1","4","1","7","1") = "6"
    & skf21("2","4","7","1","4","2","1","1") = "6"
    & skf21("2","4","7","1","4","2","2","1") = "6"
    & skf21("2","4","7","1","4","2","3","1") = "6"
    & skf21("2","4","7","1","4","2","4","1") = "6"
    & skf21("2","4","7","1","4","2","5","1") = "6"
    & skf21("2","4","7","1","4","2","6","1") = "6"
    & skf21("2","4","7","1","4","2","7","1") = "6"
    & skf21("2","4","7","1","4","3","1","1") = "6"
    & skf21("2","4","7","1","4","3","2","1") = "6"
    & skf21("2","4","7","1","4","3","3","1") = "6"
    & skf21("2","4","7","1","4","3","4","1") = "6"
    & skf21("2","4","7","1","4","3","5","1") = "6"
    & skf21("2","4","7","1","4","3","6","1") = "6"
    & skf21("2","4","7","1","4","3","7","1") = "6"
    & skf21("2","4","7","1","4","4","1","1") = "6"
    & skf21("2","4","7","1","4","4","2","1") = "6"
    & skf21("2","4","7","1","4","4","3","1") = "6"
    & skf21("2","4","7","1","4","4","4","1") = "6"
    & skf21("2","4","7","1","4","4","5","1") = "6"
    & skf21("2","4","7","1","4","4","6","1") = "6"
    & skf21("2","4","7","1","4","4","7","1") = "6"
    & skf21("2","4","7","1","4","5","1","1") = "6"
    & skf21("2","4","7","1","4","5","2","1") = "6"
    & skf21("2","4","7","1","4","5","3","1") = "6"
    & skf21("2","4","7","1","4","5","4","1") = "6"
    & skf21("2","4","7","1","4","5","5","1") = "6"
    & skf21("2","4","7","1","4","5","6","1") = "6"
    & skf21("2","4","7","1","4","5","7","1") = "6"
    & skf21("2","4","7","1","4","6","1","1") = "6"
    & skf21("2","4","7","1","4","6","2","1") = "6"
    & skf21("2","4","7","1","4","6","3","1") = "6"
    & skf21("2","4","7","1","4","6","4","1") = "6"
    & skf21("2","4","7","1","4","6","5","1") = "6"
    & skf21("2","4","7","1","4","6","6","1") = "6"
    & skf21("2","4","7","1","4","6","7","1") = "6"
    & skf21("2","4","7","1","4","7","1","1") = "6"
    & skf21("2","4","7","1","4","7","2","1") = "6"
    & skf21("2","4","7","1","4","7","3","1") = "6"
    & skf21("2","4","7","1","4","7","4","1") = "6"
    & skf21("2","4","7","1","4","7","5","1") = "6"
    & skf21("2","4","7","1","4","7","6","1") = "6"
    & skf21("2","4","7","1","4","7","7","1") = "6"
    & skf21("2","4","7","1","5","1","1","1") = "6"
    & skf21("2","4","7","1","5","1","2","1") = "6"
    & skf21("2","4","7","1","5","1","3","1") = "6"
    & skf21("2","4","7","1","5","1","4","1") = "6"
    & skf21("2","4","7","1","5","1","5","1") = "6"
    & skf21("2","4","7","1","5","1","6","1") = "6"
    & skf21("2","4","7","1","5","1","7","1") = "6"
    & skf21("2","4","7","1","5","2","1","1") = "6"
    & skf21("2","4","7","1","5","2","2","1") = "6"
    & skf21("2","4","7","1","5","2","3","1") = "6"
    & skf21("2","4","7","1","5","2","4","1") = "6"
    & skf21("2","4","7","1","5","2","5","1") = "6"
    & skf21("2","4","7","1","5","2","6","1") = "6"
    & skf21("2","4","7","1","5","2","7","1") = "6"
    & skf21("2","4","7","1","5","3","1","1") = "6"
    & skf21("2","4","7","1","5","3","2","1") = "6"
    & skf21("2","4","7","1","5","3","3","1") = "6"
    & skf21("2","4","7","1","5","3","4","1") = "6"
    & skf21("2","4","7","1","5","3","5","1") = "6"
    & skf21("2","4","7","1","5","3","6","1") = "6"
    & skf21("2","4","7","1","5","3","7","1") = "6"
    & skf21("2","4","7","1","5","4","1","1") = "6"
    & skf21("2","4","7","1","5","4","2","1") = "6"
    & skf21("2","4","7","1","5","4","3","1") = "6"
    & skf21("2","4","7","1","5","4","4","1") = "6"
    & skf21("2","4","7","1","5","4","5","1") = "6"
    & skf21("2","4","7","1","5","4","6","1") = "6"
    & skf21("2","4","7","1","5","4","7","1") = "6"
    & skf21("2","4","7","1","5","5","1","1") = "6"
    & skf21("2","4","7","1","5","5","2","1") = "6"
    & skf21("2","4","7","1","5","5","3","1") = "6"
    & skf21("2","4","7","1","5","5","4","1") = "6"
    & skf21("2","4","7","1","5","5","5","1") = "6"
    & skf21("2","4","7","1","5","5","6","1") = "6"
    & skf21("2","4","7","1","5","5","7","1") = "6"
    & skf21("2","4","7","1","5","6","1","1") = "6"
    & skf21("2","4","7","1","5","6","2","1") = "6"
    & skf21("2","4","7","1","5","6","3","1") = "6"
    & skf21("2","4","7","1","5","6","4","1") = "6"
    & skf21("2","4","7","1","5","6","5","1") = "6"
    & skf21("2","4","7","1","5","6","6","1") = "6"
    & skf21("2","4","7","1","5","6","7","1") = "6"
    & skf21("2","4","7","1","5","7","1","1") = "6"
    & skf21("2","4","7","1","5","7","2","1") = "6"
    & skf21("2","4","7","1","5","7","3","1") = "6"
    & skf21("2","4","7","1","5","7","4","1") = "6"
    & skf21("2","4","7","1","5","7","5","1") = "6"
    & skf21("2","4","7","1","5","7","6","1") = "6"
    & skf21("2","4","7","1","5","7","7","1") = "6"
    & skf21("2","4","7","1","6","1","1","1") = "6"
    & skf21("2","4","7","1","6","1","2","1") = "6"
    & skf21("2","4","7","1","6","1","3","1") = "6"
    & skf21("2","4","7","1","6","1","4","1") = "6"
    & skf21("2","4","7","1","6","1","5","1") = "6"
    & skf21("2","4","7","1","6","1","6","1") = "6"
    & skf21("2","4","7","1","6","1","7","1") = "6"
    & skf21("2","4","7","1","6","2","1","1") = "6"
    & skf21("2","4","7","1","6","2","2","1") = "6"
    & skf21("2","4","7","1","6","2","3","1") = "6"
    & skf21("2","4","7","1","6","2","4","1") = "6"
    & skf21("2","4","7","1","6","2","5","1") = "6"
    & skf21("2","4","7","1","6","2","6","1") = "6"
    & skf21("2","4","7","1","6","2","7","1") = "6"
    & skf21("2","4","7","1","6","3","1","1") = "6"
    & skf21("2","4","7","1","6","3","2","1") = "6"
    & skf21("2","4","7","1","6","3","3","1") = "6"
    & skf21("2","4","7","1","6","3","4","1") = "6"
    & skf21("2","4","7","1","6","3","5","1") = "6"
    & skf21("2","4","7","1","6","3","6","1") = "6"
    & skf21("2","4","7","1","6","3","7","1") = "6"
    & skf21("2","4","7","1","6","4","1","1") = "6"
    & skf21("2","4","7","1","6","4","2","1") = "6"
    & skf21("2","4","7","1","6","4","3","1") = "6"
    & skf21("2","4","7","1","6","4","4","1") = "6"
    & skf21("2","4","7","1","6","4","5","1") = "6"
    & skf21("2","4","7","1","6","4","6","1") = "6"
    & skf21("2","4","7","1","6","4","7","1") = "6"
    & skf21("2","4","7","1","6","5","1","1") = "6"
    & skf21("2","4","7","1","6","5","2","1") = "6"
    & skf21("2","4","7","1","6","5","3","1") = "6"
    & skf21("2","4","7","1","6","5","4","1") = "6"
    & skf21("2","4","7","1","6","5","5","1") = "6"
    & skf21("2","4","7","1","6","5","6","1") = "6"
    & skf21("2","4","7","1","6","5","7","1") = "6"
    & skf21("2","4","7","1","6","6","1","1") = "6"
    & skf21("2","4","7","1","6","6","2","1") = "6"
    & skf21("2","4","7","1","6","6","3","1") = "6"
    & skf21("2","4","7","1","6","6","4","1") = "6"
    & skf21("2","4","7","1","6","6","5","1") = "6"
    & skf21("2","4","7","1","6","6","6","1") = "6"
    & skf21("2","4","7","1","6","6","7","1") = "6"
    & skf21("2","4","7","1","6","7","1","1") = "6"
    & skf21("2","4","7","1","6","7","2","1") = "6"
    & skf21("2","4","7","1","6","7","3","1") = "6"
    & skf21("2","4","7","1","6","7","4","1") = "6"
    & skf21("2","4","7","1","6","7","5","1") = "6"
    & skf21("2","4","7","1","6","7","6","1") = "6"
    & skf21("2","4","7","1","6","7","7","1") = "6"
    & skf21("2","4","7","1","7","1","1","1") = "6"
    & skf21("2","4","7","1","7","1","2","1") = "6"
    & skf21("2","4","7","1","7","1","3","1") = "6"
    & skf21("2","4","7","1","7","1","4","1") = "6"
    & skf21("2","4","7","1","7","1","5","1") = "6"
    & skf21("2","4","7","1","7","1","6","1") = "6"
    & skf21("2","4","7","1","7","1","7","1") = "6"
    & skf21("2","4","7","1","7","2","1","1") = "6"
    & skf21("2","4","7","1","7","2","2","1") = "6"
    & skf21("2","4","7","1","7","2","3","1") = "6"
    & skf21("2","4","7","1","7","2","4","1") = "6"
    & skf21("2","4","7","1","7","2","5","1") = "6"
    & skf21("2","4","7","1","7","2","6","1") = "6"
    & skf21("2","4","7","1","7","2","7","1") = "6"
    & skf21("2","4","7","1","7","3","1","1") = "6"
    & skf21("2","4","7","1","7","3","2","1") = "6"
    & skf21("2","4","7","1","7","3","3","1") = "6"
    & skf21("2","4","7","1","7","3","4","1") = "6"
    & skf21("2","4","7","1","7","3","5","1") = "6"
    & skf21("2","4","7","1","7","3","6","1") = "6"
    & skf21("2","4","7","1","7","3","7","1") = "6"
    & skf21("2","4","7","1","7","4","1","1") = "6"
    & skf21("2","4","7","1","7","4","2","1") = "6"
    & skf21("2","4","7","1","7","4","3","1") = "6"
    & skf21("2","4","7","1","7","4","4","1") = "6"
    & skf21("2","4","7","1","7","4","5","1") = "6"
    & skf21("2","4","7","1","7","4","6","1") = "6"
    & skf21("2","4","7","1","7","4","7","1") = "6"
    & skf21("2","4","7","1","7","5","1","1") = "6"
    & skf21("2","4","7","1","7","5","2","1") = "6"
    & skf21("2","4","7","1","7","5","3","1") = "6"
    & skf21("2","4","7","1","7","5","4","1") = "6"
    & skf21("2","4","7","1","7","5","5","1") = "6"
    & skf21("2","4","7","1","7","5","6","1") = "6"
    & skf21("2","4","7","1","7","5","7","1") = "6"
    & skf21("2","4","7","1","7","6","1","1") = "6"
    & skf21("2","4","7","1","7","6","2","1") = "6"
    & skf21("2","4","7","1","7","6","3","1") = "6"
    & skf21("2","4","7","1","7","6","4","1") = "6"
    & skf21("2","4","7","1","7","6","5","1") = "6"
    & skf21("2","4","7","1","7","6","6","1") = "6"
    & skf21("2","4","7","1","7","6","7","1") = "6"
    & skf21("2","4","7","1","7","7","1","1") = "6"
    & skf21("2","4","7","1","7","7","2","1") = "6"
    & skf21("2","4","7","1","7","7","3","1") = "6"
    & skf21("2","4","7","1","7","7","4","1") = "6"
    & skf21("2","4","7","1","7","7","5","1") = "6"
    & skf21("2","4","7","1","7","7","6","1") = "6"
    & skf21("2","4","7","1","7","7","7","1") = "6"
    & skf21("2","4","7","2","1","1","1","1") = "6"
    & skf21("2","4","7","2","1","1","2","1") = "6"
    & skf21("2","4","7","2","1","1","3","1") = "6"
    & skf21("2","4","7","2","1","1","4","1") = "6"
    & skf21("2","4","7","2","1","1","5","1") = "6"
    & skf21("2","4","7","2","1","1","6","1") = "6"
    & skf21("2","4","7","2","1","1","7","1") = "6"
    & skf21("2","4","7","2","1","2","1","1") = "6"
    & skf21("2","4","7","2","1","2","2","1") = "6"
    & skf21("2","4","7","2","1","2","3","1") = "6"
    & skf21("2","4","7","2","1","2","4","1") = "6"
    & skf21("2","4","7","2","1","2","5","1") = "6"
    & skf21("2","4","7","2","1","2","6","1") = "6"
    & skf21("2","4","7","2","1","2","7","1") = "6"
    & skf21("2","4","7","2","1","3","1","1") = "6"
    & skf21("2","4","7","2","1","3","2","1") = "6"
    & skf21("2","4","7","2","1","3","3","1") = "6"
    & skf21("2","4","7","2","1","3","4","1") = "6"
    & skf21("2","4","7","2","1","3","5","1") = "6"
    & skf21("2","4","7","2","1","3","6","1") = "6"
    & skf21("2","4","7","2","1","3","7","1") = "6"
    & skf21("2","4","7","2","1","4","1","1") = "6"
    & skf21("2","4","7","2","1","4","2","1") = "6"
    & skf21("2","4","7","2","1","4","3","1") = "6"
    & skf21("2","4","7","2","1","4","4","1") = "6"
    & skf21("2","4","7","2","1","4","5","1") = "6"
    & skf21("2","4","7","2","1","4","6","1") = "6"
    & skf21("2","4","7","2","1","4","7","1") = "6"
    & skf21("2","4","7","2","1","5","1","1") = "6"
    & skf21("2","4","7","2","1","5","2","1") = "6"
    & skf21("2","4","7","2","1","5","3","1") = "6"
    & skf21("2","4","7","2","1","5","4","1") = "6"
    & skf21("2","4","7","2","1","5","5","1") = "6"
    & skf21("2","4","7","2","1","5","6","1") = "6"
    & skf21("2","4","7","2","1","5","7","1") = "6"
    & skf21("2","4","7","2","1","6","1","1") = "6"
    & skf21("2","4","7","2","1","6","2","1") = "6"
    & skf21("2","4","7","2","1","6","3","1") = "6"
    & skf21("2","4","7","2","1","6","4","1") = "6"
    & skf21("2","4","7","2","1","6","5","1") = "6"
    & skf21("2","4","7","2","1","6","6","1") = "6"
    & skf21("2","4","7","2","1","6","7","1") = "6"
    & skf21("2","4","7","2","1","7","1","1") = "6"
    & skf21("2","4","7","2","1","7","2","1") = "6"
    & skf21("2","4","7","2","1","7","3","1") = "6"
    & skf21("2","4","7","2","1","7","4","1") = "6"
    & skf21("2","4","7","2","1","7","5","1") = "6"
    & skf21("2","4","7","2","1","7","6","1") = "6"
    & skf21("2","4","7","2","1","7","7","1") = "6"
    & skf21("2","4","7","2","2","1","1","1") = "6"
    & skf21("2","4","7","2","2","1","2","1") = "6"
    & skf21("2","4","7","2","2","1","3","1") = "6"
    & skf21("2","4","7","2","2","1","4","1") = "6"
    & skf21("2","4","7","2","2","1","5","1") = "6"
    & skf21("2","4","7","2","2","1","6","1") = "6"
    & skf21("2","4","7","2","2","1","7","1") = "6"
    & skf21("2","4","7","2","2","2","1","1") = "6"
    & skf21("2","4","7","2","2","2","2","1") = "6"
    & skf21("2","4","7","2","2","2","3","1") = "6"
    & skf21("2","4","7","2","2","2","4","1") = "6"
    & skf21("2","4","7","2","2","2","5","1") = "6"
    & skf21("2","4","7","2","2","2","6","1") = "6"
    & skf21("2","4","7","2","2","2","7","1") = "6"
    & skf21("2","4","7","2","2","3","1","1") = "6"
    & skf21("2","4","7","2","2","3","2","1") = "6"
    & skf21("2","4","7","2","2","3","3","1") = "6"
    & skf21("2","4","7","2","2","3","4","1") = "6"
    & skf21("2","4","7","2","2","3","5","1") = "6"
    & skf21("2","4","7","2","2","3","6","1") = "6"
    & skf21("2","4","7","2","2","3","7","1") = "6"
    & skf21("2","4","7","2","2","4","1","1") = "6"
    & skf21("2","4","7","2","2","4","2","1") = "6"
    & skf21("2","4","7","2","2","4","3","1") = "6"
    & skf21("2","4","7","2","2","4","4","1") = "6"
    & skf21("2","4","7","2","2","4","5","1") = "6"
    & skf21("2","4","7","2","2","4","6","1") = "6"
    & skf21("2","4","7","2","2","4","7","1") = "6"
    & skf21("2","4","7","2","2","5","1","1") = "6"
    & skf21("2","4","7","2","2","5","2","1") = "6"
    & skf21("2","4","7","2","2","5","3","1") = "6"
    & skf21("2","4","7","2","2","5","4","1") = "6"
    & skf21("2","4","7","2","2","5","5","1") = "6"
    & skf21("2","4","7","2","2","5","6","1") = "6"
    & skf21("2","4","7","2","2","5","7","1") = "6"
    & skf21("2","4","7","2","2","6","1","1") = "6"
    & skf21("2","4","7","2","2","6","2","1") = "6"
    & skf21("2","4","7","2","2","6","3","1") = "6"
    & skf21("2","4","7","2","2","6","4","1") = "6"
    & skf21("2","4","7","2","2","6","5","1") = "6"
    & skf21("2","4","7","2","2","6","6","1") = "6"
    & skf21("2","4","7","2","2","6","7","1") = "6"
    & skf21("2","4","7","2","2","7","1","1") = "6"
    & skf21("2","4","7","2","2","7","2","1") = "6"
    & skf21("2","4","7","2","2","7","3","1") = "6"
    & skf21("2","4","7","2","2","7","4","1") = "6"
    & skf21("2","4","7","2","2","7","5","1") = "6"
    & skf21("2","4","7","2","2","7","6","1") = "6"
    & skf21("2","4","7","2","2","7","7","1") = "6"
    & skf21("2","4","7","2","3","1","1","1") = "6"
    & skf21("2","4","7","2","3","1","2","1") = "6"
    & skf21("2","4","7","2","3","1","3","1") = "6"
    & skf21("2","4","7","2","3","1","4","1") = "6"
    & skf21("2","4","7","2","3","1","5","1") = "6"
    & skf21("2","4","7","2","3","1","6","1") = "6"
    & skf21("2","4","7","2","3","1","7","1") = "6"
    & skf21("2","4","7","2","3","2","1","1") = "6"
    & skf21("2","4","7","2","3","2","2","1") = "6"
    & skf21("2","4","7","2","3","2","3","1") = "6"
    & skf21("2","4","7","2","3","2","4","1") = "6"
    & skf21("2","4","7","2","3","2","5","1") = "6"
    & skf21("2","4","7","2","3","2","6","1") = "6"
    & skf21("2","4","7","2","3","2","7","1") = "6"
    & skf21("2","4","7","2","3","3","1","1") = "6"
    & skf21("2","4","7","2","3","3","2","1") = "6"
    & skf21("2","4","7","2","3","3","3","1") = "6"
    & skf21("2","4","7","2","3","3","4","1") = "6"
    & skf21("2","4","7","2","3","3","5","1") = "6"
    & skf21("2","4","7","2","3","3","6","1") = "6"
    & skf21("2","4","7","2","3","3","7","1") = "6"
    & skf21("2","4","7","2","3","4","1","1") = "6"
    & skf21("2","4","7","2","3","4","2","1") = "6"
    & skf21("2","4","7","2","3","4","3","1") = "6"
    & skf21("2","4","7","2","3","4","4","1") = "6"
    & skf21("2","4","7","2","3","4","5","1") = "6"
    & skf21("2","4","7","2","3","4","6","1") = "6"
    & skf21("2","4","7","2","3","4","7","1") = "6"
    & skf21("2","4","7","2","3","5","1","1") = "6"
    & skf21("2","4","7","2","3","5","2","1") = "6"
    & skf21("2","4","7","2","3","5","3","1") = "6"
    & skf21("2","4","7","2","3","5","4","1") = "6"
    & skf21("2","4","7","2","3","5","5","1") = "6"
    & skf21("2","4","7","2","3","5","6","1") = "6"
    & skf21("2","4","7","2","3","5","7","1") = "6"
    & skf21("2","4","7","2","3","6","1","1") = "6"
    & skf21("2","4","7","2","3","6","2","1") = "6"
    & skf21("2","4","7","2","3","6","3","1") = "6"
    & skf21("2","4","7","2","3","6","4","1") = "6"
    & skf21("2","4","7","2","3","6","5","1") = "6"
    & skf21("2","4","7","2","3","6","6","1") = "6"
    & skf21("2","4","7","2","3","6","7","1") = "6"
    & skf21("2","4","7","2","3","7","1","1") = "6"
    & skf21("2","4","7","2","3","7","2","1") = "6"
    & skf21("2","4","7","2","3","7","3","1") = "6"
    & skf21("2","4","7","2","3","7","4","1") = "6"
    & skf21("2","4","7","2","3","7","5","1") = "6"
    & skf21("2","4","7","2","3","7","6","1") = "6"
    & skf21("2","4","7","2","3","7","7","1") = "6"
    & skf21("2","4","7","2","4","1","1","1") = "6"
    & skf21("2","4","7","2","4","1","2","1") = "6"
    & skf21("2","4","7","2","4","1","3","1") = "6"
    & skf21("2","4","7","2","4","1","4","1") = "6"
    & skf21("2","4","7","2","4","1","5","1") = "6"
    & skf21("2","4","7","2","4","1","6","1") = "6"
    & skf21("2","4","7","2","4","1","7","1") = "6"
    & skf21("2","4","7","2","4","2","1","1") = "6"
    & skf21("2","4","7","2","4","2","2","1") = "6"
    & skf21("2","4","7","2","4","2","3","1") = "6"
    & skf21("2","4","7","2","4","2","4","1") = "6"
    & skf21("2","4","7","2","4","2","5","1") = "6"
    & skf21("2","4","7","2","4","2","6","1") = "6"
    & skf21("2","4","7","2","4","2","7","1") = "6"
    & skf21("2","4","7","2","4","3","1","1") = "6"
    & skf21("2","4","7","2","4","3","2","1") = "6"
    & skf21("2","4","7","2","4","3","3","1") = "6"
    & skf21("2","4","7","2","4","3","4","1") = "6"
    & skf21("2","4","7","2","4","3","5","1") = "6"
    & skf21("2","4","7","2","4","3","6","1") = "6"
    & skf21("2","4","7","2","4","3","7","1") = "6"
    & skf21("2","4","7","2","4","4","1","1") = "6"
    & skf21("2","4","7","2","4","4","2","1") = "6"
    & skf21("2","4","7","2","4","4","3","1") = "6"
    & skf21("2","4","7","2","4","4","4","1") = "6"
    & skf21("2","4","7","2","4","4","5","1") = "6"
    & skf21("2","4","7","2","4","4","6","1") = "6"
    & skf21("2","4","7","2","4","4","7","1") = "6"
    & skf21("2","4","7","2","4","5","1","1") = "6"
    & skf21("2","4","7","2","4","5","2","1") = "6"
    & skf21("2","4","7","2","4","5","3","1") = "6"
    & skf21("2","4","7","2","4","5","4","1") = "6"
    & skf21("2","4","7","2","4","5","5","1") = "6"
    & skf21("2","4","7","2","4","5","6","1") = "6"
    & skf21("2","4","7","2","4","5","7","1") = "6"
    & skf21("2","4","7","2","4","6","1","1") = "6"
    & skf21("2","4","7","2","4","6","2","1") = "6"
    & skf21("2","4","7","2","4","6","3","1") = "6"
    & skf21("2","4","7","2","4","6","4","1") = "6"
    & skf21("2","4","7","2","4","6","5","1") = "6"
    & skf21("2","4","7","2","4","6","6","1") = "6"
    & skf21("2","4","7","2","4","6","7","1") = "6"
    & skf21("2","4","7","2","4","7","1","1") = "6"
    & skf21("2","4","7","2","4","7","2","1") = "6"
    & skf21("2","4","7","2","4","7","3","1") = "6"
    & skf21("2","4","7","2","4","7","4","1") = "6"
    & skf21("2","4","7","2","4","7","5","1") = "6"
    & skf21("2","4","7","2","4","7","6","1") = "6"
    & skf21("2","4","7","2","4","7","7","1") = "6"
    & skf21("2","4","7","2","5","1","1","1") = "6"
    & skf21("2","4","7","2","5","1","2","1") = "6"
    & skf21("2","4","7","2","5","1","3","1") = "6"
    & skf21("2","4","7","2","5","1","4","1") = "6"
    & skf21("2","4","7","2","5","1","5","1") = "6"
    & skf21("2","4","7","2","5","1","6","1") = "6"
    & skf21("2","4","7","2","5","1","7","1") = "6"
    & skf21("2","4","7","2","5","2","1","1") = "6"
    & skf21("2","4","7","2","5","2","2","1") = "6"
    & skf21("2","4","7","2","5","2","3","1") = "6"
    & skf21("2","4","7","2","5","2","4","1") = "6"
    & skf21("2","4","7","2","5","2","5","1") = "6"
    & skf21("2","4","7","2","5","2","6","1") = "6"
    & skf21("2","4","7","2","5","2","7","1") = "6"
    & skf21("2","4","7","2","5","3","1","1") = "6"
    & skf21("2","4","7","2","5","3","2","1") = "6"
    & skf21("2","4","7","2","5","3","3","1") = "6"
    & skf21("2","4","7","2","5","3","4","1") = "6"
    & skf21("2","4","7","2","5","3","5","1") = "6"
    & skf21("2","4","7","2","5","3","6","1") = "6"
    & skf21("2","4","7","2","5","3","7","1") = "6"
    & skf21("2","4","7","2","5","4","1","1") = "6"
    & skf21("2","4","7","2","5","4","2","1") = "6"
    & skf21("2","4","7","2","5","4","3","1") = "6"
    & skf21("2","4","7","2","5","4","4","1") = "6"
    & skf21("2","4","7","2","5","4","5","1") = "6"
    & skf21("2","4","7","2","5","4","6","1") = "6"
    & skf21("2","4","7","2","5","4","7","1") = "6"
    & skf21("2","4","7","2","5","5","1","1") = "6"
    & skf21("2","4","7","2","5","5","2","1") = "6"
    & skf21("2","4","7","2","5","5","3","1") = "6"
    & skf21("2","4","7","2","5","5","4","1") = "6"
    & skf21("2","4","7","2","5","5","5","1") = "6"
    & skf21("2","4","7","2","5","5","6","1") = "6"
    & skf21("2","4","7","2","5","5","7","1") = "6"
    & skf21("2","4","7","2","5","6","1","1") = "6"
    & skf21("2","4","7","2","5","6","2","1") = "6"
    & skf21("2","4","7","2","5","6","3","1") = "6"
    & skf21("2","4","7","2","5","6","4","1") = "6"
    & skf21("2","4","7","2","5","6","5","1") = "6"
    & skf21("2","4","7","2","5","6","6","1") = "6"
    & skf21("2","4","7","2","5","6","7","1") = "6"
    & skf21("2","4","7","2","5","7","1","1") = "6"
    & skf21("2","4","7","2","5","7","2","1") = "6"
    & skf21("2","4","7","2","5","7","3","1") = "6"
    & skf21("2","4","7","2","5","7","4","1") = "6"
    & skf21("2","4","7","2","5","7","5","1") = "6"
    & skf21("2","4","7","2","5","7","6","1") = "6"
    & skf21("2","4","7","2","5","7","7","1") = "6"
    & skf21("2","4","7","2","6","1","1","1") = "6"
    & skf21("2","4","7","2","6","1","2","1") = "6"
    & skf21("2","4","7","2","6","1","3","1") = "6"
    & skf21("2","4","7","2","6","1","4","1") = "6"
    & skf21("2","4","7","2","6","1","5","1") = "6"
    & skf21("2","4","7","2","6","1","6","1") = "6"
    & skf21("2","4","7","2","6","1","7","1") = "6"
    & skf21("2","4","7","2","6","2","1","1") = "6"
    & skf21("2","4","7","2","6","2","2","1") = "6"
    & skf21("2","4","7","2","6","2","3","1") = "6"
    & skf21("2","4","7","2","6","2","4","1") = "6"
    & skf21("2","4","7","2","6","2","5","1") = "6"
    & skf21("2","4","7","2","6","2","6","1") = "6"
    & skf21("2","4","7","2","6","2","7","1") = "6"
    & skf21("2","4","7","2","6","3","1","1") = "6"
    & skf21("2","4","7","2","6","3","2","1") = "6"
    & skf21("2","4","7","2","6","3","3","1") = "6"
    & skf21("2","4","7","2","6","3","4","1") = "6"
    & skf21("2","4","7","2","6","3","5","1") = "6"
    & skf21("2","4","7","2","6","3","6","1") = "6"
    & skf21("2","4","7","2","6","3","7","1") = "6"
    & skf21("2","4","7","2","6","4","1","1") = "6"
    & skf21("2","4","7","2","6","4","2","1") = "6"
    & skf21("2","4","7","2","6","4","3","1") = "6"
    & skf21("2","4","7","2","6","4","4","1") = "6"
    & skf21("2","4","7","2","6","4","5","1") = "6"
    & skf21("2","4","7","2","6","4","6","1") = "6"
    & skf21("2","4","7","2","6","4","7","1") = "6"
    & skf21("2","4","7","2","6","5","1","1") = "6"
    & skf21("2","4","7","2","6","5","2","1") = "6"
    & skf21("2","4","7","2","6","5","3","1") = "6"
    & skf21("2","4","7","2","6","5","4","1") = "6"
    & skf21("2","4","7","2","6","5","5","1") = "6"
    & skf21("2","4","7","2","6","5","6","1") = "6"
    & skf21("2","4","7","2","6","5","7","1") = "6"
    & skf21("2","4","7","2","6","6","1","1") = "6"
    & skf21("2","4","7","2","6","6","2","1") = "6"
    & skf21("2","4","7","2","6","6","3","1") = "6"
    & skf21("2","4","7","2","6","6","4","1") = "6"
    & skf21("2","4","7","2","6","6","5","1") = "6"
    & skf21("2","4","7","2","6","6","6","1") = "6"
    & skf21("2","4","7","2","6","6","7","1") = "6"
    & skf21("2","4","7","2","6","7","1","1") = "6"
    & skf21("2","4","7","2","6","7","2","1") = "6"
    & skf21("2","4","7","2","6","7","3","1") = "6"
    & skf21("2","4","7","2","6","7","4","1") = "6"
    & skf21("2","4","7","2","6","7","5","1") = "6"
    & skf21("2","4","7","2","6","7","6","1") = "6"
    & skf21("2","4","7","2","6","7","7","1") = "6"
    & skf21("2","4","7","2","7","1","1","1") = "6"
    & skf21("2","4","7","2","7","1","2","1") = "6"
    & skf21("2","4","7","2","7","1","3","1") = "6"
    & skf21("2","4","7","2","7","1","4","1") = "6"
    & skf21("2","4","7","2","7","1","5","1") = "6"
    & skf21("2","4","7","2","7","1","6","1") = "6"
    & skf21("2","4","7","2","7","1","7","1") = "6"
    & skf21("2","4","7","2","7","2","1","1") = "6"
    & skf21("2","4","7","2","7","2","2","1") = "6"
    & skf21("2","4","7","2","7","2","3","1") = "6"
    & skf21("2","4","7","2","7","2","4","1") = "6"
    & skf21("2","4","7","2","7","2","5","1") = "6"
    & skf21("2","4","7","2","7","2","6","1") = "6"
    & skf21("2","4","7","2","7","2","7","1") = "6"
    & skf21("2","4","7","2","7","3","1","1") = "6"
    & skf21("2","4","7","2","7","3","2","1") = "6"
    & skf21("2","4","7","2","7","3","3","1") = "6"
    & skf21("2","4","7","2","7","3","4","1") = "6"
    & skf21("2","4","7","2","7","3","5","1") = "6"
    & skf21("2","4","7","2","7","3","6","1") = "6"
    & skf21("2","4","7","2","7","3","7","1") = "6"
    & skf21("2","4","7","2","7","4","1","1") = "6"
    & skf21("2","4","7","2","7","4","2","1") = "6"
    & skf21("2","4","7","2","7","4","3","1") = "6"
    & skf21("2","4","7","2","7","4","4","1") = "6"
    & skf21("2","4","7","2","7","4","5","1") = "6"
    & skf21("2","4","7","2","7","4","6","1") = "6"
    & skf21("2","4","7","2","7","4","7","1") = "6"
    & skf21("2","4","7","2","7","5","1","1") = "6"
    & skf21("2","4","7","2","7","5","2","1") = "6"
    & skf21("2","4","7","2","7","5","3","1") = "6"
    & skf21("2","4","7","2","7","5","4","1") = "6"
    & skf21("2","4","7","2","7","5","5","1") = "6"
    & skf21("2","4","7","2","7","5","6","1") = "6"
    & skf21("2","4","7","2","7","5","7","1") = "6"
    & skf21("2","4","7","2","7","6","1","1") = "6"
    & skf21("2","4","7","2","7","6","2","1") = "6"
    & skf21("2","4","7","2","7","6","3","1") = "6"
    & skf21("2","4","7","2","7","6","4","1") = "6"
    & skf21("2","4","7","2","7","6","5","1") = "6"
    & skf21("2","4","7","2","7","6","6","1") = "6"
    & skf21("2","4","7","2","7","6","7","1") = "6"
    & skf21("2","4","7","2","7","7","1","1") = "6"
    & skf21("2","4","7","2","7","7","2","1") = "6"
    & skf21("2","4","7","2","7","7","3","1") = "6"
    & skf21("2","4","7","2","7","7","4","1") = "6"
    & skf21("2","4","7","2","7","7","5","1") = "6"
    & skf21("2","4","7","2","7","7","6","1") = "6"
    & skf21("2","4","7","2","7","7","7","1") = "6"
    & skf21("2","4","7","3","1","1","1","1") = "6"
    & skf21("2","4","7","3","1","1","2","1") = "6"
    & skf21("2","4","7","3","1","1","3","1") = "6"
    & skf21("2","4","7","3","1","1","4","1") = "6"
    & skf21("2","4","7","3","1","1","5","1") = "6"
    & skf21("2","4","7","3","1","1","6","1") = "6"
    & skf21("2","4","7","3","1","1","7","1") = "6"
    & skf21("2","4","7","3","1","2","1","1") = "6"
    & skf21("2","4","7","3","1","2","2","1") = "6"
    & skf21("2","4","7","3","1","2","3","1") = "6"
    & skf21("2","4","7","3","1","2","4","1") = "6"
    & skf21("2","4","7","3","1","2","5","1") = "6"
    & skf21("2","4","7","3","1","2","6","1") = "6"
    & skf21("2","4","7","3","1","2","7","1") = "6"
    & skf21("2","4","7","3","1","3","1","1") = "6"
    & skf21("2","4","7","3","1","3","2","1") = "6"
    & skf21("2","4","7","3","1","3","3","1") = "6"
    & skf21("2","4","7","3","1","3","4","1") = "6"
    & skf21("2","4","7","3","1","3","5","1") = "6"
    & skf21("2","4","7","3","1","3","6","1") = "6"
    & skf21("2","4","7","3","1","3","7","1") = "6"
    & skf21("2","4","7","3","1","4","1","1") = "6"
    & skf21("2","4","7","3","1","4","2","1") = "6"
    & skf21("2","4","7","3","1","4","3","1") = "6"
    & skf21("2","4","7","3","1","4","4","1") = "6"
    & skf21("2","4","7","3","1","4","5","1") = "6"
    & skf21("2","4","7","3","1","4","6","1") = "6"
    & skf21("2","4","7","3","1","4","7","1") = "6"
    & skf21("2","4","7","3","1","5","1","1") = "6"
    & skf21("2","4","7","3","1","5","2","1") = "6"
    & skf21("2","4","7","3","1","5","3","1") = "6"
    & skf21("2","4","7","3","1","5","4","1") = "6"
    & skf21("2","4","7","3","1","5","5","1") = "6"
    & skf21("2","4","7","3","1","5","6","1") = "6"
    & skf21("2","4","7","3","1","5","7","1") = "6"
    & skf21("2","4","7","3","1","6","1","1") = "6"
    & skf21("2","4","7","3","1","6","2","1") = "6"
    & skf21("2","4","7","3","1","6","3","1") = "6"
    & skf21("2","4","7","3","1","6","4","1") = "6"
    & skf21("2","4","7","3","1","6","5","1") = "6"
    & skf21("2","4","7","3","1","6","6","1") = "6"
    & skf21("2","4","7","3","1","6","7","1") = "6"
    & skf21("2","4","7","3","1","7","1","1") = "6"
    & skf21("2","4","7","3","1","7","2","1") = "6"
    & skf21("2","4","7","3","1","7","3","1") = "6"
    & skf21("2","4","7","3","1","7","4","1") = "6"
    & skf21("2","4","7","3","1","7","5","1") = "6"
    & skf21("2","4","7","3","1","7","6","1") = "6"
    & skf21("2","4","7","3","1","7","7","1") = "6"
    & skf21("2","4","7","3","2","1","1","1") = "6"
    & skf21("2","4","7","3","2","1","2","1") = "6"
    & skf21("2","4","7","3","2","1","3","1") = "6"
    & skf21("2","4","7","3","2","1","4","1") = "6"
    & skf21("2","4","7","3","2","1","5","1") = "6"
    & skf21("2","4","7","3","2","1","6","1") = "6"
    & skf21("2","4","7","3","2","1","7","1") = "6"
    & skf21("2","4","7","3","2","2","1","1") = "6"
    & skf21("2","4","7","3","2","2","2","1") = "6"
    & skf21("2","4","7","3","2","2","3","1") = "6"
    & skf21("2","4","7","3","2","2","4","1") = "6"
    & skf21("2","4","7","3","2","2","5","1") = "6"
    & skf21("2","4","7","3","2","2","6","1") = "6"
    & skf21("2","4","7","3","2","2","7","1") = "6"
    & skf21("2","4","7","3","2","3","1","1") = "6"
    & skf21("2","4","7","3","2","3","2","1") = "6"
    & skf21("2","4","7","3","2","3","3","1") = "6"
    & skf21("2","4","7","3","2","3","4","1") = "6"
    & skf21("2","4","7","3","2","3","5","1") = "6"
    & skf21("2","4","7","3","2","3","6","1") = "6"
    & skf21("2","4","7","3","2","3","7","1") = "6"
    & skf21("2","4","7","3","2","4","1","1") = "6"
    & skf21("2","4","7","3","2","4","2","1") = "6"
    & skf21("2","4","7","3","2","4","3","1") = "6"
    & skf21("2","4","7","3","2","4","4","1") = "6"
    & skf21("2","4","7","3","2","4","5","1") = "6"
    & skf21("2","4","7","3","2","4","6","1") = "6"
    & skf21("2","4","7","3","2","4","7","1") = "6"
    & skf21("2","4","7","3","2","5","1","1") = "6"
    & skf21("2","4","7","3","2","5","2","1") = "6"
    & skf21("2","4","7","3","2","5","3","1") = "6"
    & skf21("2","4","7","3","2","5","4","1") = "6"
    & skf21("2","4","7","3","2","5","5","1") = "6"
    & skf21("2","4","7","3","2","5","6","1") = "6"
    & skf21("2","4","7","3","2","5","7","1") = "6"
    & skf21("2","4","7","3","2","6","1","1") = "6"
    & skf21("2","4","7","3","2","6","2","1") = "6"
    & skf21("2","4","7","3","2","6","3","1") = "6"
    & skf21("2","4","7","3","2","6","4","1") = "6"
    & skf21("2","4","7","3","2","6","5","1") = "6"
    & skf21("2","4","7","3","2","6","6","1") = "6"
    & skf21("2","4","7","3","2","6","7","1") = "6"
    & skf21("2","4","7","3","2","7","1","1") = "6"
    & skf21("2","4","7","3","2","7","2","1") = "6"
    & skf21("2","4","7","3","2","7","3","1") = "6"
    & skf21("2","4","7","3","2","7","4","1") = "6"
    & skf21("2","4","7","3","2","7","5","1") = "6"
    & skf21("2","4","7","3","2","7","6","1") = "6"
    & skf21("2","4","7","3","2","7","7","1") = "6"
    & skf21("2","4","7","3","3","1","1","1") = "6"
    & skf21("2","4","7","3","3","1","2","1") = "6"
    & skf21("2","4","7","3","3","1","3","1") = "6"
    & skf21("2","4","7","3","3","1","4","1") = "6"
    & skf21("2","4","7","3","3","1","5","1") = "6"
    & skf21("2","4","7","3","3","1","6","1") = "6"
    & skf21("2","4","7","3","3","1","7","1") = "6"
    & skf21("2","4","7","3","3","2","1","1") = "6"
    & skf21("2","4","7","3","3","2","2","1") = "6"
    & skf21("2","4","7","3","3","2","3","1") = "6"
    & skf21("2","4","7","3","3","2","4","1") = "6"
    & skf21("2","4","7","3","3","2","5","1") = "6"
    & skf21("2","4","7","3","3","2","6","1") = "6"
    & skf21("2","4","7","3","3","2","7","1") = "6"
    & skf21("2","4","7","3","3","3","1","1") = "6"
    & skf21("2","4","7","3","3","3","2","1") = "6"
    & skf21("2","4","7","3","3","3","3","1") = "6"
    & skf21("2","4","7","3","3","3","4","1") = "6"
    & skf21("2","4","7","3","3","3","5","1") = "6"
    & skf21("2","4","7","3","3","3","6","1") = "6"
    & skf21("2","4","7","3","3","3","7","1") = "6"
    & skf21("2","4","7","3","3","4","1","1") = "6"
    & skf21("2","4","7","3","3","4","2","1") = "6"
    & skf21("2","4","7","3","3","4","3","1") = "6"
    & skf21("2","4","7","3","3","4","4","1") = "6"
    & skf21("2","4","7","3","3","4","5","1") = "6"
    & skf21("2","4","7","3","3","4","6","1") = "6"
    & skf21("2","4","7","3","3","4","7","1") = "6"
    & skf21("2","4","7","3","3","5","1","1") = "6"
    & skf21("2","4","7","3","3","5","2","1") = "6"
    & skf21("2","4","7","3","3","5","3","1") = "6"
    & skf21("2","4","7","3","3","5","4","1") = "6"
    & skf21("2","4","7","3","3","5","5","1") = "6"
    & skf21("2","4","7","3","3","5","6","1") = "6"
    & skf21("2","4","7","3","3","5","7","1") = "6"
    & skf21("2","4","7","3","3","6","1","1") = "6"
    & skf21("2","4","7","3","3","6","2","1") = "6"
    & skf21("2","4","7","3","3","6","3","1") = "6"
    & skf21("2","4","7","3","3","6","4","1") = "6"
    & skf21("2","4","7","3","3","6","5","1") = "6"
    & skf21("2","4","7","3","3","6","6","1") = "6"
    & skf21("2","4","7","3","3","6","7","1") = "6"
    & skf21("2","4","7","3","3","7","1","1") = "6"
    & skf21("2","4","7","3","3","7","2","1") = "6"
    & skf21("2","4","7","3","3","7","3","1") = "6"
    & skf21("2","4","7","3","3","7","4","1") = "6"
    & skf21("2","4","7","3","3","7","5","1") = "6"
    & skf21("2","4","7","3","3","7","6","1") = "6"
    & skf21("2","4","7","3","3","7","7","1") = "6"
    & skf21("2","4","7","3","4","1","1","1") = "6"
    & skf21("2","4","7","3","4","1","2","1") = "6"
    & skf21("2","4","7","3","4","1","3","1") = "6"
    & skf21("2","4","7","3","4","1","4","1") = "6"
    & skf21("2","4","7","3","4","1","5","1") = "6"
    & skf21("2","4","7","3","4","1","6","1") = "6"
    & skf21("2","4","7","3","4","1","7","1") = "6"
    & skf21("2","4","7","3","4","2","1","1") = "6"
    & skf21("2","4","7","3","4","2","2","1") = "6"
    & skf21("2","4","7","3","4","2","3","1") = "6"
    & skf21("2","4","7","3","4","2","4","1") = "6"
    & skf21("2","4","7","3","4","2","5","1") = "6"
    & skf21("2","4","7","3","4","2","6","1") = "6"
    & skf21("2","4","7","3","4","2","7","1") = "6"
    & skf21("2","4","7","3","4","3","1","1") = "6"
    & skf21("2","4","7","3","4","3","2","1") = "6"
    & skf21("2","4","7","3","4","3","3","1") = "6"
    & skf21("2","4","7","3","4","3","4","1") = "6"
    & skf21("2","4","7","3","4","3","5","1") = "6"
    & skf21("2","4","7","3","4","3","6","1") = "6"
    & skf21("2","4","7","3","4","3","7","1") = "6"
    & skf21("2","4","7","3","4","4","1","1") = "6"
    & skf21("2","4","7","3","4","4","2","1") = "6"
    & skf21("2","4","7","3","4","4","3","1") = "6"
    & skf21("2","4","7","3","4","4","4","1") = "6"
    & skf21("2","4","7","3","4","4","5","1") = "6"
    & skf21("2","4","7","3","4","4","6","1") = "6"
    & skf21("2","4","7","3","4","4","7","1") = "6"
    & skf21("2","4","7","3","4","5","1","1") = "6"
    & skf21("2","4","7","3","4","5","2","1") = "6"
    & skf21("2","4","7","3","4","5","3","1") = "6"
    & skf21("2","4","7","3","4","5","4","1") = "6"
    & skf21("2","4","7","3","4","5","5","1") = "6"
    & skf21("2","4","7","3","4","5","6","1") = "6"
    & skf21("2","4","7","3","4","5","7","1") = "6"
    & skf21("2","4","7","3","4","6","1","1") = "6"
    & skf21("2","4","7","3","4","6","2","1") = "6"
    & skf21("2","4","7","3","4","6","3","1") = "6"
    & skf21("2","4","7","3","4","6","4","1") = "6"
    & skf21("2","4","7","3","4","6","5","1") = "6"
    & skf21("2","4","7","3","4","6","6","1") = "6"
    & skf21("2","4","7","3","4","6","7","1") = "6"
    & skf21("2","4","7","3","4","7","1","1") = "6"
    & skf21("2","4","7","3","4","7","2","1") = "6"
    & skf21("2","4","7","3","4","7","3","1") = "6"
    & skf21("2","4","7","3","4","7","4","1") = "6"
    & skf21("2","4","7","3","4","7","5","1") = "6"
    & skf21("2","4","7","3","4","7","6","1") = "6"
    & skf21("2","4","7","3","4","7","7","1") = "6"
    & skf21("2","4","7","3","5","1","1","1") = "6"
    & skf21("2","4","7","3","5","1","2","1") = "6"
    & skf21("2","4","7","3","5","1","3","1") = "6"
    & skf21("2","4","7","3","5","1","4","1") = "6"
    & skf21("2","4","7","3","5","1","5","1") = "6"
    & skf21("2","4","7","3","5","1","6","1") = "6"
    & skf21("2","4","7","3","5","1","7","1") = "6"
    & skf21("2","4","7","3","5","2","1","1") = "6"
    & skf21("2","4","7","3","5","2","2","1") = "6"
    & skf21("2","4","7","3","5","2","3","1") = "6"
    & skf21("2","4","7","3","5","2","4","1") = "6"
    & skf21("2","4","7","3","5","2","5","1") = "6"
    & skf21("2","4","7","3","5","2","6","1") = "6"
    & skf21("2","4","7","3","5","2","7","1") = "6"
    & skf21("2","4","7","3","5","3","1","1") = "6"
    & skf21("2","4","7","3","5","3","2","1") = "6"
    & skf21("2","4","7","3","5","3","3","1") = "6"
    & skf21("2","4","7","3","5","3","4","1") = "6"
    & skf21("2","4","7","3","5","3","5","1") = "6"
    & skf21("2","4","7","3","5","3","6","1") = "6"
    & skf21("2","4","7","3","5","3","7","1") = "6"
    & skf21("2","4","7","3","5","4","1","1") = "6"
    & skf21("2","4","7","3","5","4","2","1") = "6"
    & skf21("2","4","7","3","5","4","3","1") = "6"
    & skf21("2","4","7","3","5","4","4","1") = "6"
    & skf21("2","4","7","3","5","4","5","1") = "6"
    & skf21("2","4","7","3","5","4","6","1") = "6"
    & skf21("2","4","7","3","5","4","7","1") = "6"
    & skf21("2","4","7","3","5","5","1","1") = "6"
    & skf21("2","4","7","3","5","5","2","1") = "6"
    & skf21("2","4","7","3","5","5","3","1") = "6"
    & skf21("2","4","7","3","5","5","4","1") = "6"
    & skf21("2","4","7","3","5","5","5","1") = "6"
    & skf21("2","4","7","3","5","5","6","1") = "6"
    & skf21("2","4","7","3","5","5","7","1") = "6"
    & skf21("2","4","7","3","5","6","1","1") = "6"
    & skf21("2","4","7","3","5","6","2","1") = "6"
    & skf21("2","4","7","3","5","6","3","1") = "6"
    & skf21("2","4","7","3","5","6","4","1") = "6"
    & skf21("2","4","7","3","5","6","5","1") = "6"
    & skf21("2","4","7","3","5","6","6","1") = "6"
    & skf21("2","4","7","3","5","6","7","1") = "6"
    & skf21("2","4","7","3","5","7","1","1") = "6"
    & skf21("2","4","7","3","5","7","2","1") = "6"
    & skf21("2","4","7","3","5","7","3","1") = "6"
    & skf21("2","4","7","3","5","7","4","1") = "6"
    & skf21("2","4","7","3","5","7","5","1") = "6"
    & skf21("2","4","7","3","5","7","6","1") = "6"
    & skf21("2","4","7","3","5","7","7","1") = "6"
    & skf21("2","4","7","3","6","1","1","1") = "6"
    & skf21("2","4","7","3","6","1","2","1") = "6"
    & skf21("2","4","7","3","6","1","3","1") = "6"
    & skf21("2","4","7","3","6","1","4","1") = "6"
    & skf21("2","4","7","3","6","1","5","1") = "6"
    & skf21("2","4","7","3","6","1","6","1") = "6"
    & skf21("2","4","7","3","6","1","7","1") = "6"
    & skf21("2","4","7","3","6","2","1","1") = "6"
    & skf21("2","4","7","3","6","2","2","1") = "6"
    & skf21("2","4","7","3","6","2","3","1") = "6"
    & skf21("2","4","7","3","6","2","4","1") = "6"
    & skf21("2","4","7","3","6","2","5","1") = "6"
    & skf21("2","4","7","3","6","2","6","1") = "6"
    & skf21("2","4","7","3","6","2","7","1") = "6"
    & skf21("2","4","7","3","6","3","1","1") = "6"
    & skf21("2","4","7","3","6","3","2","1") = "6"
    & skf21("2","4","7","3","6","3","3","1") = "6"
    & skf21("2","4","7","3","6","3","4","1") = "6"
    & skf21("2","4","7","3","6","3","5","1") = "6"
    & skf21("2","4","7","3","6","3","6","1") = "6"
    & skf21("2","4","7","3","6","3","7","1") = "6"
    & skf21("2","4","7","3","6","4","1","1") = "6"
    & skf21("2","4","7","3","6","4","2","1") = "6"
    & skf21("2","4","7","3","6","4","3","1") = "6"
    & skf21("2","4","7","3","6","4","4","1") = "6"
    & skf21("2","4","7","3","6","4","5","1") = "6"
    & skf21("2","4","7","3","6","4","6","1") = "6"
    & skf21("2","4","7","3","6","4","7","1") = "6"
    & skf21("2","4","7","3","6","5","1","1") = "6"
    & skf21("2","4","7","3","6","5","2","1") = "6"
    & skf21("2","4","7","3","6","5","3","1") = "6"
    & skf21("2","4","7","3","6","5","4","1") = "6"
    & skf21("2","4","7","3","6","5","5","1") = "6"
    & skf21("2","4","7","3","6","5","6","1") = "6"
    & skf21("2","4","7","3","6","5","7","1") = "6"
    & skf21("2","4","7","3","6","6","1","1") = "6"
    & skf21("2","4","7","3","6","6","2","1") = "6"
    & skf21("2","4","7","3","6","6","3","1") = "6"
    & skf21("2","4","7","3","6","6","4","1") = "6"
    & skf21("2","4","7","3","6","6","5","1") = "6"
    & skf21("2","4","7","3","6","6","6","1") = "6"
    & skf21("2","4","7","3","6","6","7","1") = "6"
    & skf21("2","4","7","3","6","7","1","1") = "6"
    & skf21("2","4","7","3","6","7","2","1") = "6"
    & skf21("2","4","7","3","6","7","3","1") = "6"
    & skf21("2","4","7","3","6","7","4","1") = "6"
    & skf21("2","4","7","3","6","7","5","1") = "6"
    & skf21("2","4","7","3","6","7","6","1") = "6"
    & skf21("2","4","7","3","6","7","7","1") = "6"
    & skf21("2","4","7","3","7","1","1","1") = "6"
    & skf21("2","4","7","3","7","1","2","1") = "6"
    & skf21("2","4","7","3","7","1","3","1") = "6"
    & skf21("2","4","7","3","7","1","4","1") = "6"
    & skf21("2","4","7","3","7","1","5","1") = "6"
    & skf21("2","4","7","3","7","1","6","1") = "6"
    & skf21("2","4","7","3","7","1","7","1") = "6"
    & skf21("2","4","7","3","7","2","1","1") = "6"
    & skf21("2","4","7","3","7","2","2","1") = "6"
    & skf21("2","4","7","3","7","2","3","1") = "6"
    & skf21("2","4","7","3","7","2","4","1") = "6"
    & skf21("2","4","7","3","7","2","5","1") = "6"
    & skf21("2","4","7","3","7","2","6","1") = "6"
    & skf21("2","4","7","3","7","2","7","1") = "6"
    & skf21("2","4","7","3","7","3","1","1") = "6"
    & skf21("2","4","7","3","7","3","2","1") = "6"
    & skf21("2","4","7","3","7","3","3","1") = "6"
    & skf21("2","4","7","3","7","3","4","1") = "6"
    & skf21("2","4","7","3","7","3","5","1") = "6"
    & skf21("2","4","7","3","7","3","6","1") = "6"
    & skf21("2","4","7","3","7","3","7","1") = "6"
    & skf21("2","4","7","3","7","4","1","1") = "6"
    & skf21("2","4","7","3","7","4","2","1") = "6"
    & skf21("2","4","7","3","7","4","3","1") = "6"
    & skf21("2","4","7","3","7","4","4","1") = "6"
    & skf21("2","4","7","3","7","4","5","1") = "6"
    & skf21("2","4","7","3","7","4","6","1") = "6"
    & skf21("2","4","7","3","7","4","7","1") = "6"
    & skf21("2","4","7","3","7","5","1","1") = "6"
    & skf21("2","4","7","3","7","5","2","1") = "6"
    & skf21("2","4","7","3","7","5","3","1") = "6"
    & skf21("2","4","7","3","7","5","4","1") = "6"
    & skf21("2","4","7","3","7","5","5","1") = "6"
    & skf21("2","4","7","3","7","5","6","1") = "6"
    & skf21("2","4","7","3","7","5","7","1") = "6"
    & skf21("2","4","7","3","7","6","1","1") = "6"
    & skf21("2","4","7","3","7","6","2","1") = "6"
    & skf21("2","4","7","3","7","6","3","1") = "6"
    & skf21("2","4","7","3","7","6","4","1") = "6"
    & skf21("2","4","7","3","7","6","5","1") = "6"
    & skf21("2","4","7","3","7","6","6","1") = "6"
    & skf21("2","4","7","3","7","6","7","1") = "6"
    & skf21("2","4","7","3","7","7","1","1") = "6"
    & skf21("2","4","7","3","7","7","2","1") = "6"
    & skf21("2","4","7","3","7","7","3","1") = "6"
    & skf21("2","4","7","3","7","7","4","1") = "6"
    & skf21("2","4","7","3","7","7","5","1") = "6"
    & skf21("2","4","7","3","7","7","6","1") = "6"
    & skf21("2","4","7","3","7","7","7","1") = "6"
    & skf21("2","4","7","4","1","1","1","1") = "6"
    & skf21("2","4","7","4","1","1","2","1") = "6"
    & skf21("2","4","7","4","1","1","3","1") = "6"
    & skf21("2","4","7","4","1","1","4","1") = "6"
    & skf21("2","4","7","4","1","1","5","1") = "6"
    & skf21("2","4","7","4","1","1","6","1") = "6"
    & skf21("2","4","7","4","1","1","7","1") = "6"
    & skf21("2","4","7","4","1","2","1","1") = "6"
    & skf21("2","4","7","4","1","2","2","1") = "6"
    & skf21("2","4","7","4","1","2","3","1") = "6"
    & skf21("2","4","7","4","1","2","4","1") = "6"
    & skf21("2","4","7","4","1","2","5","1") = "6"
    & skf21("2","4","7","4","1","2","6","1") = "6"
    & skf21("2","4","7","4","1","2","7","1") = "6"
    & skf21("2","4","7","4","1","3","1","1") = "6"
    & skf21("2","4","7","4","1","3","2","1") = "6"
    & skf21("2","4","7","4","1","3","3","1") = "6"
    & skf21("2","4","7","4","1","3","4","1") = "6"
    & skf21("2","4","7","4","1","3","5","1") = "6"
    & skf21("2","4","7","4","1","3","6","1") = "6"
    & skf21("2","4","7","4","1","3","7","1") = "6"
    & skf21("2","4","7","4","1","4","1","1") = "6"
    & skf21("2","4","7","4","1","4","2","1") = "6"
    & skf21("2","4","7","4","1","4","3","1") = "6"
    & skf21("2","4","7","4","1","4","4","1") = "6"
    & skf21("2","4","7","4","1","4","5","1") = "6"
    & skf21("2","4","7","4","1","4","6","1") = "6"
    & skf21("2","4","7","4","1","4","7","1") = "6"
    & skf21("2","4","7","4","1","5","1","1") = "6"
    & skf21("2","4","7","4","1","5","2","1") = "6"
    & skf21("2","4","7","4","1","5","3","1") = "6"
    & skf21("2","4","7","4","1","5","4","1") = "6"
    & skf21("2","4","7","4","1","5","5","1") = "6"
    & skf21("2","4","7","4","1","5","6","1") = "6"
    & skf21("2","4","7","4","1","5","7","1") = "6"
    & skf21("2","4","7","4","1","6","1","1") = "6"
    & skf21("2","4","7","4","1","6","2","1") = "6"
    & skf21("2","4","7","4","1","6","3","1") = "6"
    & skf21("2","4","7","4","1","6","4","1") = "6"
    & skf21("2","4","7","4","1","6","5","1") = "6"
    & skf21("2","4","7","4","1","6","6","1") = "6"
    & skf21("2","4","7","4","1","6","7","1") = "6"
    & skf21("2","4","7","4","1","7","1","1") = "6"
    & skf21("2","4","7","4","1","7","2","1") = "6"
    & skf21("2","4","7","4","1","7","3","1") = "6"
    & skf21("2","4","7","4","1","7","4","1") = "6"
    & skf21("2","4","7","4","1","7","5","1") = "6"
    & skf21("2","4","7","4","1","7","6","1") = "6"
    & skf21("2","4","7","4","1","7","7","1") = "6"
    & skf21("2","4","7","4","2","1","1","1") = "6"
    & skf21("2","4","7","4","2","1","2","1") = "6"
    & skf21("2","4","7","4","2","1","3","1") = "6"
    & skf21("2","4","7","4","2","1","4","1") = "6"
    & skf21("2","4","7","4","2","1","5","1") = "6"
    & skf21("2","4","7","4","2","1","6","1") = "6"
    & skf21("2","4","7","4","2","1","7","1") = "6"
    & skf21("2","4","7","4","2","2","1","1") = "6"
    & skf21("2","4","7","4","2","2","2","1") = "6"
    & skf21("2","4","7","4","2","2","3","1") = "6"
    & skf21("2","4","7","4","2","2","4","1") = "6"
    & skf21("2","4","7","4","2","2","5","1") = "6"
    & skf21("2","4","7","4","2","2","6","1") = "6"
    & skf21("2","4","7","4","2","2","7","1") = "6"
    & skf21("2","4","7","4","2","3","1","1") = "6"
    & skf21("2","4","7","4","2","3","2","1") = "6"
    & skf21("2","4","7","4","2","3","3","1") = "6"
    & skf21("2","4","7","4","2","3","4","1") = "6"
    & skf21("2","4","7","4","2","3","5","1") = "6"
    & skf21("2","4","7","4","2","3","6","1") = "6"
    & skf21("2","4","7","4","2","3","7","1") = "6"
    & skf21("2","4","7","4","2","4","1","1") = "6"
    & skf21("2","4","7","4","2","4","2","1") = "6"
    & skf21("2","4","7","4","2","4","3","1") = "6"
    & skf21("2","4","7","4","2","4","4","1") = "6"
    & skf21("2","4","7","4","2","4","5","1") = "6"
    & skf21("2","4","7","4","2","4","6","1") = "6"
    & skf21("2","4","7","4","2","4","7","1") = "6"
    & skf21("2","4","7","4","2","5","1","1") = "6"
    & skf21("2","4","7","4","2","5","2","1") = "6"
    & skf21("2","4","7","4","2","5","3","1") = "6"
    & skf21("2","4","7","4","2","5","4","1") = "6"
    & skf21("2","4","7","4","2","5","5","1") = "6"
    & skf21("2","4","7","4","2","5","6","1") = "6"
    & skf21("2","4","7","4","2","5","7","1") = "6"
    & skf21("2","4","7","4","2","6","1","1") = "6"
    & skf21("2","4","7","4","2","6","2","1") = "6"
    & skf21("2","4","7","4","2","6","3","1") = "6"
    & skf21("2","4","7","4","2","6","4","1") = "6"
    & skf21("2","4","7","4","2","6","5","1") = "6"
    & skf21("2","4","7","4","2","6","6","1") = "6"
    & skf21("2","4","7","4","2","6","7","1") = "6"
    & skf21("2","4","7","4","2","7","1","1") = "6"
    & skf21("2","4","7","4","2","7","2","1") = "6"
    & skf21("2","4","7","4","2","7","3","1") = "6"
    & skf21("2","4","7","4","2","7","4","1") = "6"
    & skf21("2","4","7","4","2","7","5","1") = "6"
    & skf21("2","4","7","4","2","7","6","1") = "6"
    & skf21("2","4","7","4","2","7","7","1") = "6"
    & skf21("2","4","7","4","3","1","1","1") = "6"
    & skf21("2","4","7","4","3","1","2","1") = "6"
    & skf21("2","4","7","4","3","1","3","1") = "6"
    & skf21("2","4","7","4","3","1","4","1") = "6"
    & skf21("2","4","7","4","3","1","5","1") = "6"
    & skf21("2","4","7","4","3","1","6","1") = "6"
    & skf21("2","4","7","4","3","1","7","1") = "6"
    & skf21("2","4","7","4","3","2","1","1") = "6"
    & skf21("2","4","7","4","3","2","2","1") = "6"
    & skf21("2","4","7","4","3","2","3","1") = "6"
    & skf21("2","4","7","4","3","2","4","1") = "6"
    & skf21("2","4","7","4","3","2","5","1") = "6"
    & skf21("2","4","7","4","3","2","6","1") = "6"
    & skf21("2","4","7","4","3","2","7","1") = "6"
    & skf21("2","4","7","4","3","3","1","1") = "6"
    & skf21("2","4","7","4","3","3","2","1") = "6"
    & skf21("2","4","7","4","3","3","3","1") = "6"
    & skf21("2","4","7","4","3","3","4","1") = "6"
    & skf21("2","4","7","4","3","3","5","1") = "6"
    & skf21("2","4","7","4","3","3","6","1") = "6"
    & skf21("2","4","7","4","3","3","7","1") = "6"
    & skf21("2","4","7","4","3","4","1","1") = "6"
    & skf21("2","4","7","4","3","4","2","1") = "6"
    & skf21("2","4","7","4","3","4","3","1") = "6"
    & skf21("2","4","7","4","3","4","4","1") = "6"
    & skf21("2","4","7","4","3","4","5","1") = "6"
    & skf21("2","4","7","4","3","4","6","1") = "6"
    & skf21("2","4","7","4","3","4","7","1") = "6"
    & skf21("2","4","7","4","3","5","1","1") = "6"
    & skf21("2","4","7","4","3","5","2","1") = "6"
    & skf21("2","4","7","4","3","5","3","1") = "6"
    & skf21("2","4","7","4","3","5","4","1") = "6"
    & skf21("2","4","7","4","3","5","5","1") = "6"
    & skf21("2","4","7","4","3","5","6","1") = "6"
    & skf21("2","4","7","4","3","5","7","1") = "6"
    & skf21("2","4","7","4","3","6","1","1") = "6"
    & skf21("2","4","7","4","3","6","2","1") = "6"
    & skf21("2","4","7","4","3","6","3","1") = "6"
    & skf21("2","4","7","4","3","6","4","1") = "6"
    & skf21("2","4","7","4","3","6","5","1") = "6"
    & skf21("2","4","7","4","3","6","6","1") = "6"
    & skf21("2","4","7","4","3","6","7","1") = "6"
    & skf21("2","4","7","4","3","7","1","1") = "6"
    & skf21("2","4","7","4","3","7","2","1") = "6"
    & skf21("2","4","7","4","3","7","3","1") = "6"
    & skf21("2","4","7","4","3","7","4","1") = "6"
    & skf21("2","4","7","4","3","7","5","1") = "6"
    & skf21("2","4","7","4","3","7","6","1") = "6"
    & skf21("2","4","7","4","3","7","7","1") = "6"
    & skf21("2","4","7","4","4","1","1","1") = "6"
    & skf21("2","4","7","4","4","1","2","1") = "6"
    & skf21("2","4","7","4","4","1","3","1") = "6"
    & skf21("2","4","7","4","4","1","4","1") = "6"
    & skf21("2","4","7","4","4","1","5","1") = "6"
    & skf21("2","4","7","4","4","1","6","1") = "6"
    & skf21("2","4","7","4","4","1","7","1") = "6"
    & skf21("2","4","7","4","4","2","1","1") = "6"
    & skf21("2","4","7","4","4","2","2","1") = "6"
    & skf21("2","4","7","4","4","2","3","1") = "6"
    & skf21("2","4","7","4","4","2","4","1") = "6"
    & skf21("2","4","7","4","4","2","5","1") = "6"
    & skf21("2","4","7","4","4","2","6","1") = "6"
    & skf21("2","4","7","4","4","2","7","1") = "6"
    & skf21("2","4","7","4","4","3","1","1") = "6"
    & skf21("2","4","7","4","4","3","2","1") = "6"
    & skf21("2","4","7","4","4","3","3","1") = "6"
    & skf21("2","4","7","4","4","3","4","1") = "6"
    & skf21("2","4","7","4","4","3","5","1") = "6"
    & skf21("2","4","7","4","4","3","6","1") = "6"
    & skf21("2","4","7","4","4","3","7","1") = "6"
    & skf21("2","4","7","4","4","4","1","1") = "6"
    & skf21("2","4","7","4","4","4","2","1") = "6"
    & skf21("2","4","7","4","4","4","3","1") = "6"
    & skf21("2","4","7","4","4","4","4","1") = "6"
    & skf21("2","4","7","4","4","4","5","1") = "6"
    & skf21("2","4","7","4","4","4","6","1") = "6"
    & skf21("2","4","7","4","4","4","7","1") = "6"
    & skf21("2","4","7","4","4","5","1","1") = "6"
    & skf21("2","4","7","4","4","5","2","1") = "6"
    & skf21("2","4","7","4","4","5","3","1") = "6"
    & skf21("2","4","7","4","4","5","4","1") = "6"
    & skf21("2","4","7","4","4","5","5","1") = "6"
    & skf21("2","4","7","4","4","5","6","1") = "6"
    & skf21("2","4","7","4","4","5","7","1") = "6"
    & skf21("2","4","7","4","4","6","1","1") = "6"
    & skf21("2","4","7","4","4","6","2","1") = "6"
    & skf21("2","4","7","4","4","6","3","1") = "6"
    & skf21("2","4","7","4","4","6","4","1") = "6"
    & skf21("2","4","7","4","4","6","5","1") = "6"
    & skf21("2","4","7","4","4","6","6","1") = "6"
    & skf21("2","4","7","4","4","6","7","1") = "6"
    & skf21("2","4","7","4","4","7","1","1") = "6"
    & skf21("2","4","7","4","4","7","2","1") = "6"
    & skf21("2","4","7","4","4","7","3","1") = "6"
    & skf21("2","4","7","4","4","7","4","1") = "6"
    & skf21("2","4","7","4","4","7","5","1") = "6"
    & skf21("2","4","7","4","4","7","6","1") = "6"
    & skf21("2","4","7","4","4","7","7","1") = "6"
    & skf21("2","4","7","4","5","1","1","1") = "6"
    & skf21("2","4","7","4","5","1","2","1") = "6"
    & skf21("2","4","7","4","5","1","3","1") = "6"
    & skf21("2","4","7","4","5","1","4","1") = "6"
    & skf21("2","4","7","4","5","1","5","1") = "6"
    & skf21("2","4","7","4","5","1","6","1") = "6"
    & skf21("2","4","7","4","5","1","7","1") = "6"
    & skf21("2","4","7","4","5","2","1","1") = "6"
    & skf21("2","4","7","4","5","2","2","1") = "6"
    & skf21("2","4","7","4","5","2","3","1") = "6"
    & skf21("2","4","7","4","5","2","4","1") = "6"
    & skf21("2","4","7","4","5","2","5","1") = "6"
    & skf21("2","4","7","4","5","2","6","1") = "6"
    & skf21("2","4","7","4","5","2","7","1") = "6"
    & skf21("2","4","7","4","5","3","1","1") = "6"
    & skf21("2","4","7","4","5","3","2","1") = "6"
    & skf21("2","4","7","4","5","3","3","1") = "6"
    & skf21("2","4","7","4","5","3","4","1") = "6"
    & skf21("2","4","7","4","5","3","5","1") = "6"
    & skf21("2","4","7","4","5","3","6","1") = "6"
    & skf21("2","4","7","4","5","3","7","1") = "6"
    & skf21("2","4","7","4","5","4","1","1") = "6"
    & skf21("2","4","7","4","5","4","2","1") = "6"
    & skf21("2","4","7","4","5","4","3","1") = "6"
    & skf21("2","4","7","4","5","4","4","1") = "6"
    & skf21("2","4","7","4","5","4","5","1") = "6"
    & skf21("2","4","7","4","5","4","6","1") = "6"
    & skf21("2","4","7","4","5","4","7","1") = "6"
    & skf21("2","4","7","4","5","5","1","1") = "6"
    & skf21("2","4","7","4","5","5","2","1") = "6"
    & skf21("2","4","7","4","5","5","3","1") = "6"
    & skf21("2","4","7","4","5","5","4","1") = "6"
    & skf21("2","4","7","4","5","5","5","1") = "6"
    & skf21("2","4","7","4","5","5","6","1") = "6"
    & skf21("2","4","7","4","5","5","7","1") = "6"
    & skf21("2","4","7","4","5","6","1","1") = "6"
    & skf21("2","4","7","4","5","6","2","1") = "6"
    & skf21("2","4","7","4","5","6","3","1") = "6"
    & skf21("2","4","7","4","5","6","4","1") = "6"
    & skf21("2","4","7","4","5","6","5","1") = "6"
    & skf21("2","4","7","4","5","6","6","1") = "6"
    & skf21("2","4","7","4","5","6","7","1") = "6"
    & skf21("2","4","7","4","5","7","1","1") = "6"
    & skf21("2","4","7","4","5","7","2","1") = "6"
    & skf21("2","4","7","4","5","7","3","1") = "6"
    & skf21("2","4","7","4","5","7","4","1") = "6"
    & skf21("2","4","7","4","5","7","5","1") = "6"
    & skf21("2","4","7","4","5","7","6","1") = "6"
    & skf21("2","4","7","4","5","7","7","1") = "6"
    & skf21("2","4","7","4","6","1","1","1") = "6"
    & skf21("2","4","7","4","6","1","2","1") = "6"
    & skf21("2","4","7","4","6","1","3","1") = "6"
    & skf21("2","4","7","4","6","1","4","1") = "6"
    & skf21("2","4","7","4","6","1","5","1") = "6"
    & skf21("2","4","7","4","6","1","6","1") = "6"
    & skf21("2","4","7","4","6","1","7","1") = "6"
    & skf21("2","4","7","4","6","2","1","1") = "6"
    & skf21("2","4","7","4","6","2","2","1") = "6"
    & skf21("2","4","7","4","6","2","3","1") = "6"
    & skf21("2","4","7","4","6","2","4","1") = "6"
    & skf21("2","4","7","4","6","2","5","1") = "6"
    & skf21("2","4","7","4","6","2","6","1") = "6"
    & skf21("2","4","7","4","6","2","7","1") = "6"
    & skf21("2","4","7","4","6","3","1","1") = "6"
    & skf21("2","4","7","4","6","3","2","1") = "6"
    & skf21("2","4","7","4","6","3","3","1") = "6"
    & skf21("2","4","7","4","6","3","4","1") = "6"
    & skf21("2","4","7","4","6","3","5","1") = "6"
    & skf21("2","4","7","4","6","3","6","1") = "6"
    & skf21("2","4","7","4","6","3","7","1") = "6"
    & skf21("2","4","7","4","6","4","1","1") = "6"
    & skf21("2","4","7","4","6","4","2","1") = "6"
    & skf21("2","4","7","4","6","4","3","1") = "6"
    & skf21("2","4","7","4","6","4","4","1") = "6"
    & skf21("2","4","7","4","6","4","5","1") = "6"
    & skf21("2","4","7","4","6","4","6","1") = "6"
    & skf21("2","4","7","4","6","4","7","1") = "6"
    & skf21("2","4","7","4","6","5","1","1") = "6"
    & skf21("2","4","7","4","6","5","2","1") = "6"
    & skf21("2","4","7","4","6","5","3","1") = "6"
    & skf21("2","4","7","4","6","5","4","1") = "6"
    & skf21("2","4","7","4","6","5","5","1") = "6"
    & skf21("2","4","7","4","6","5","6","1") = "6"
    & skf21("2","4","7","4","6","5","7","1") = "6"
    & skf21("2","4","7","4","6","6","1","1") = "6"
    & skf21("2","4","7","4","6","6","2","1") = "6"
    & skf21("2","4","7","4","6","6","3","1") = "6"
    & skf21("2","4","7","4","6","6","4","1") = "6"
    & skf21("2","4","7","4","6","6","5","1") = "6"
    & skf21("2","4","7","4","6","6","6","1") = "6"
    & skf21("2","4","7","4","6","6","7","1") = "6"
    & skf21("2","4","7","4","6","7","1","1") = "6"
    & skf21("2","4","7","4","6","7","2","1") = "6"
    & skf21("2","4","7","4","6","7","3","1") = "6"
    & skf21("2","4","7","4","6","7","4","1") = "6"
    & skf21("2","4","7","4","6","7","5","1") = "6"
    & skf21("2","4","7","4","6","7","6","1") = "6"
    & skf21("2","4","7","4","6","7","7","1") = "6"
    & skf21("2","4","7","4","7","1","1","1") = "6"
    & skf21("2","4","7","4","7","1","2","1") = "6"
    & skf21("2","4","7","4","7","1","3","1") = "6"
    & skf21("2","4","7","4","7","1","4","1") = "6"
    & skf21("2","4","7","4","7","1","5","1") = "6"
    & skf21("2","4","7","4","7","1","6","1") = "6"
    & skf21("2","4","7","4","7","1","7","1") = "6"
    & skf21("2","4","7","4","7","2","1","1") = "6"
    & skf21("2","4","7","4","7","2","2","1") = "6"
    & skf21("2","4","7","4","7","2","3","1") = "6"
    & skf21("2","4","7","4","7","2","4","1") = "6"
    & skf21("2","4","7","4","7","2","5","1") = "6"
    & skf21("2","4","7","4","7","2","6","1") = "6"
    & skf21("2","4","7","4","7","2","7","1") = "6"
    & skf21("2","4","7","4","7","3","1","1") = "6"
    & skf21("2","4","7","4","7","3","2","1") = "6"
    & skf21("2","4","7","4","7","3","3","1") = "6"
    & skf21("2","4","7","4","7","3","4","1") = "6"
    & skf21("2","4","7","4","7","3","5","1") = "6"
    & skf21("2","4","7","4","7","3","6","1") = "6"
    & skf21("2","4","7","4","7","3","7","1") = "6"
    & skf21("2","4","7","4","7","4","1","1") = "6"
    & skf21("2","4","7","4","7","4","2","1") = "6"
    & skf21("2","4","7","4","7","4","3","1") = "6"
    & skf21("2","4","7","4","7","4","4","1") = "6"
    & skf21("2","4","7","4","7","4","5","1") = "6"
    & skf21("2","4","7","4","7","4","6","1") = "6"
    & skf21("2","4","7","4","7","4","7","1") = "6"
    & skf21("2","4","7","4","7","5","1","1") = "6"
    & skf21("2","4","7","4","7","5","2","1") = "6"
    & skf21("2","4","7","4","7","5","3","1") = "6"
    & skf21("2","4","7","4","7","5","4","1") = "6"
    & skf21("2","4","7","4","7","5","5","1") = "6"
    & skf21("2","4","7","4","7","5","6","1") = "6"
    & skf21("2","4","7","4","7","5","7","1") = "6"
    & skf21("2","4","7","4","7","6","1","1") = "6"
    & skf21("2","4","7","4","7","6","2","1") = "6"
    & skf21("2","4","7","4","7","6","3","1") = "6"
    & skf21("2","4","7","4","7","6","4","1") = "6"
    & skf21("2","4","7","4","7","6","5","1") = "6"
    & skf21("2","4","7","4","7","6","6","1") = "6"
    & skf21("2","4","7","4","7","6","7","1") = "6"
    & skf21("2","4","7","4","7","7","1","1") = "6"
    & skf21("2","4","7","4","7","7","2","1") = "6"
    & skf21("2","4","7","4","7","7","3","1") = "6"
    & skf21("2","4","7","4","7","7","4","1") = "6"
    & skf21("2","4","7","4","7","7","5","1") = "6"
    & skf21("2","4","7","4","7","7","6","1") = "6"
    & skf21("2","4","7","4","7","7","7","1") = "6"
    & skf21("2","4","7","5","1","1","1","1") = "6"
    & skf21("2","4","7","5","1","1","2","1") = "6"
    & skf21("2","4","7","5","1","1","3","1") = "6"
    & skf21("2","4","7","5","1","1","4","1") = "6"
    & skf21("2","4","7","5","1","1","5","1") = "6"
    & skf21("2","4","7","5","1","1","6","1") = "6"
    & skf21("2","4","7","5","1","1","7","1") = "6"
    & skf21("2","4","7","5","1","2","1","1") = "6"
    & skf21("2","4","7","5","1","2","2","1") = "6"
    & skf21("2","4","7","5","1","2","3","1") = "6"
    & skf21("2","4","7","5","1","2","4","1") = "6"
    & skf21("2","4","7","5","1","2","5","1") = "6"
    & skf21("2","4","7","5","1","2","6","1") = "6"
    & skf21("2","4","7","5","1","2","7","1") = "6"
    & skf21("2","4","7","5","1","3","1","1") = "6"
    & skf21("2","4","7","5","1","3","2","1") = "6"
    & skf21("2","4","7","5","1","3","3","1") = "6"
    & skf21("2","4","7","5","1","3","4","1") = "6"
    & skf21("2","4","7","5","1","3","5","1") = "6"
    & skf21("2","4","7","5","1","3","6","1") = "6"
    & skf21("2","4","7","5","1","3","7","1") = "6"
    & skf21("2","4","7","5","1","4","1","1") = "6"
    & skf21("2","4","7","5","1","4","2","1") = "6"
    & skf21("2","4","7","5","1","4","3","1") = "6"
    & skf21("2","4","7","5","1","4","4","1") = "6"
    & skf21("2","4","7","5","1","4","5","1") = "6"
    & skf21("2","4","7","5","1","4","6","1") = "6"
    & skf21("2","4","7","5","1","4","7","1") = "6"
    & skf21("2","4","7","5","1","5","1","1") = "6"
    & skf21("2","4","7","5","1","5","2","1") = "6"
    & skf21("2","4","7","5","1","5","3","1") = "6"
    & skf21("2","4","7","5","1","5","4","1") = "6"
    & skf21("2","4","7","5","1","5","5","1") = "6"
    & skf21("2","4","7","5","1","5","6","1") = "6"
    & skf21("2","4","7","5","1","5","7","1") = "6"
    & skf21("2","4","7","5","1","6","1","1") = "6"
    & skf21("2","4","7","5","1","6","2","1") = "6"
    & skf21("2","4","7","5","1","6","3","1") = "6"
    & skf21("2","4","7","5","1","6","4","1") = "6"
    & skf21("2","4","7","5","1","6","5","1") = "6"
    & skf21("2","4","7","5","1","6","6","1") = "6"
    & skf21("2","4","7","5","1","6","7","1") = "6"
    & skf21("2","4","7","5","1","7","1","1") = "6"
    & skf21("2","4","7","5","1","7","2","1") = "6"
    & skf21("2","4","7","5","1","7","3","1") = "6"
    & skf21("2","4","7","5","1","7","4","1") = "6"
    & skf21("2","4","7","5","1","7","5","1") = "6"
    & skf21("2","4","7","5","1","7","6","1") = "6"
    & skf21("2","4","7","5","1","7","7","1") = "6"
    & skf21("2","4","7","5","2","1","1","1") = "6"
    & skf21("2","4","7","5","2","1","2","1") = "6"
    & skf21("2","4","7","5","2","1","3","1") = "6"
    & skf21("2","4","7","5","2","1","4","1") = "6"
    & skf21("2","4","7","5","2","1","5","1") = "6"
    & skf21("2","4","7","5","2","1","6","1") = "6"
    & skf21("2","4","7","5","2","1","7","1") = "6"
    & skf21("2","4","7","5","2","2","1","1") = "6"
    & skf21("2","4","7","5","2","2","2","1") = "6"
    & skf21("2","4","7","5","2","2","3","1") = "6"
    & skf21("2","4","7","5","2","2","4","1") = "6"
    & skf21("2","4","7","5","2","2","5","1") = "6"
    & skf21("2","4","7","5","2","2","6","1") = "6"
    & skf21("2","4","7","5","2","2","7","1") = "6"
    & skf21("2","4","7","5","2","3","1","1") = "6"
    & skf21("2","4","7","5","2","3","2","1") = "6"
    & skf21("2","4","7","5","2","3","3","1") = "6"
    & skf21("2","4","7","5","2","3","4","1") = "6"
    & skf21("2","4","7","5","2","3","5","1") = "6"
    & skf21("2","4","7","5","2","3","6","1") = "6"
    & skf21("2","4","7","5","2","3","7","1") = "6"
    & skf21("2","4","7","5","2","4","1","1") = "6"
    & skf21("2","4","7","5","2","4","2","1") = "6"
    & skf21("2","4","7","5","2","4","3","1") = "6"
    & skf21("2","4","7","5","2","4","4","1") = "6"
    & skf21("2","4","7","5","2","4","5","1") = "6"
    & skf21("2","4","7","5","2","4","6","1") = "6"
    & skf21("2","4","7","5","2","4","7","1") = "6"
    & skf21("2","4","7","5","2","5","1","1") = "6"
    & skf21("2","4","7","5","2","5","2","1") = "6"
    & skf21("2","4","7","5","2","5","3","1") = "6"
    & skf21("2","4","7","5","2","5","4","1") = "6"
    & skf21("2","4","7","5","2","5","5","1") = "6"
    & skf21("2","4","7","5","2","5","6","1") = "6"
    & skf21("2","4","7","5","2","5","7","1") = "6"
    & skf21("2","4","7","5","2","6","1","1") = "6"
    & skf21("2","4","7","5","2","6","2","1") = "6"
    & skf21("2","4","7","5","2","6","3","1") = "6"
    & skf21("2","4","7","5","2","6","4","1") = "6"
    & skf21("2","4","7","5","2","6","5","1") = "6"
    & skf21("2","4","7","5","2","6","6","1") = "6"
    & skf21("2","4","7","5","2","6","7","1") = "6"
    & skf21("2","4","7","5","2","7","1","1") = "6"
    & skf21("2","4","7","5","2","7","2","1") = "6"
    & skf21("2","4","7","5","2","7","3","1") = "6"
    & skf21("2","4","7","5","2","7","4","1") = "6"
    & skf21("2","4","7","5","2","7","5","1") = "6"
    & skf21("2","4","7","5","2","7","6","1") = "6"
    & skf21("2","4","7","5","2","7","7","1") = "6"
    & skf21("2","4","7","5","3","1","1","1") = "6"
    & skf21("2","4","7","5","3","1","2","1") = "6"
    & skf21("2","4","7","5","3","1","3","1") = "6"
    & skf21("2","4","7","5","3","1","4","1") = "6"
    & skf21("2","4","7","5","3","1","5","1") = "6"
    & skf21("2","4","7","5","3","1","6","1") = "6"
    & skf21("2","4","7","5","3","1","7","1") = "6"
    & skf21("2","4","7","5","3","2","1","1") = "6"
    & skf21("2","4","7","5","3","2","2","1") = "6"
    & skf21("2","4","7","5","3","2","3","1") = "6"
    & skf21("2","4","7","5","3","2","4","1") = "6"
    & skf21("2","4","7","5","3","2","5","1") = "6"
    & skf21("2","4","7","5","3","2","6","1") = "6"
    & skf21("2","4","7","5","3","2","7","1") = "6"
    & skf21("2","4","7","5","3","3","1","1") = "6"
    & skf21("2","4","7","5","3","3","2","1") = "6"
    & skf21("2","4","7","5","3","3","3","1") = "6"
    & skf21("2","4","7","5","3","3","4","1") = "6"
    & skf21("2","4","7","5","3","3","5","1") = "6"
    & skf21("2","4","7","5","3","3","6","1") = "6"
    & skf21("2","4","7","5","3","3","7","1") = "6"
    & skf21("2","4","7","5","3","4","1","1") = "6"
    & skf21("2","4","7","5","3","4","2","1") = "6"
    & skf21("2","4","7","5","3","4","3","1") = "6"
    & skf21("2","4","7","5","3","4","4","1") = "6"
    & skf21("2","4","7","5","3","4","5","1") = "6"
    & skf21("2","4","7","5","3","4","6","1") = "6"
    & skf21("2","4","7","5","3","4","7","1") = "6"
    & skf21("2","4","7","5","3","5","1","1") = "6"
    & skf21("2","4","7","5","3","5","2","1") = "6"
    & skf21("2","4","7","5","3","5","3","1") = "6"
    & skf21("2","4","7","5","3","5","4","1") = "6"
    & skf21("2","4","7","5","3","5","5","1") = "6"
    & skf21("2","4","7","5","3","5","6","1") = "6"
    & skf21("2","4","7","5","3","5","7","1") = "6"
    & skf21("2","4","7","5","3","6","1","1") = "6"
    & skf21("2","4","7","5","3","6","2","1") = "6"
    & skf21("2","4","7","5","3","6","3","1") = "6"
    & skf21("2","4","7","5","3","6","4","1") = "6"
    & skf21("2","4","7","5","3","6","5","1") = "6"
    & skf21("2","4","7","5","3","6","6","1") = "6"
    & skf21("2","4","7","5","3","6","7","1") = "6"
    & skf21("2","4","7","5","3","7","1","1") = "6"
    & skf21("2","4","7","5","3","7","2","1") = "6"
    & skf21("2","4","7","5","3","7","3","1") = "6"
    & skf21("2","4","7","5","3","7","4","1") = "6"
    & skf21("2","4","7","5","3","7","5","1") = "6"
    & skf21("2","4","7","5","3","7","6","1") = "6"
    & skf21("2","4","7","5","3","7","7","1") = "6"
    & skf21("2","4","7","5","4","1","1","1") = "6"
    & skf21("2","4","7","5","4","1","2","1") = "6"
    & skf21("2","4","7","5","4","1","3","1") = "6"
    & skf21("2","4","7","5","4","1","4","1") = "6"
    & skf21("2","4","7","5","4","1","5","1") = "6"
    & skf21("2","4","7","5","4","1","6","1") = "6"
    & skf21("2","4","7","5","4","1","7","1") = "6"
    & skf21("2","4","7","5","4","2","1","1") = "6"
    & skf21("2","4","7","5","4","2","2","1") = "6"
    & skf21("2","4","7","5","4","2","3","1") = "6"
    & skf21("2","4","7","5","4","2","4","1") = "6"
    & skf21("2","4","7","5","4","2","5","1") = "6"
    & skf21("2","4","7","5","4","2","6","1") = "6"
    & skf21("2","4","7","5","4","2","7","1") = "6"
    & skf21("2","4","7","5","4","3","1","1") = "6"
    & skf21("2","4","7","5","4","3","2","1") = "6"
    & skf21("2","4","7","5","4","3","3","1") = "6"
    & skf21("2","4","7","5","4","3","4","1") = "6"
    & skf21("2","4","7","5","4","3","5","1") = "6"
    & skf21("2","4","7","5","4","3","6","1") = "6"
    & skf21("2","4","7","5","4","3","7","1") = "6"
    & skf21("2","4","7","5","4","4","1","1") = "6"
    & skf21("2","4","7","5","4","4","2","1") = "6"
    & skf21("2","4","7","5","4","4","3","1") = "6"
    & skf21("2","4","7","5","4","4","4","1") = "6"
    & skf21("2","4","7","5","4","4","5","1") = "6"
    & skf21("2","4","7","5","4","4","6","1") = "6"
    & skf21("2","4","7","5","4","4","7","1") = "6"
    & skf21("2","4","7","5","4","5","1","1") = "6"
    & skf21("2","4","7","5","4","5","2","1") = "6"
    & skf21("2","4","7","5","4","5","3","1") = "6"
    & skf21("2","4","7","5","4","5","4","1") = "6"
    & skf21("2","4","7","5","4","5","5","1") = "6"
    & skf21("2","4","7","5","4","5","6","1") = "6"
    & skf21("2","4","7","5","4","5","7","1") = "6"
    & skf21("2","4","7","5","4","6","1","1") = "6"
    & skf21("2","4","7","5","4","6","2","1") = "6"
    & skf21("2","4","7","5","4","6","3","1") = "6"
    & skf21("2","4","7","5","4","6","4","1") = "6"
    & skf21("2","4","7","5","4","6","5","1") = "6"
    & skf21("2","4","7","5","4","6","6","1") = "6"
    & skf21("2","4","7","5","4","6","7","1") = "6"
    & skf21("2","4","7","5","4","7","1","1") = "6"
    & skf21("2","4","7","5","4","7","2","1") = "6"
    & skf21("2","4","7","5","4","7","3","1") = "6"
    & skf21("2","4","7","5","4","7","4","1") = "6"
    & skf21("2","4","7","5","4","7","5","1") = "6"
    & skf21("2","4","7","5","4","7","6","1") = "6"
    & skf21("2","4","7","5","4","7","7","1") = "6"
    & skf21("2","4","7","5","5","1","1","1") = "6"
    & skf21("2","4","7","5","5","1","2","1") = "6"
    & skf21("2","4","7","5","5","1","3","1") = "6"
    & skf21("2","4","7","5","5","1","4","1") = "6"
    & skf21("2","4","7","5","5","1","5","1") = "6"
    & skf21("2","4","7","5","5","1","6","1") = "6"
    & skf21("2","4","7","5","5","1","7","1") = "6"
    & skf21("2","4","7","5","5","2","1","1") = "6"
    & skf21("2","4","7","5","5","2","2","1") = "6"
    & skf21("2","4","7","5","5","2","3","1") = "6"
    & skf21("2","4","7","5","5","2","4","1") = "6"
    & skf21("2","4","7","5","5","2","5","1") = "6"
    & skf21("2","4","7","5","5","2","6","1") = "6"
    & skf21("2","4","7","5","5","2","7","1") = "6"
    & skf21("2","4","7","5","5","3","1","1") = "6"
    & skf21("2","4","7","5","5","3","2","1") = "6"
    & skf21("2","4","7","5","5","3","3","1") = "6"
    & skf21("2","4","7","5","5","3","4","1") = "6"
    & skf21("2","4","7","5","5","3","5","1") = "6"
    & skf21("2","4","7","5","5","3","6","1") = "6"
    & skf21("2","4","7","5","5","3","7","1") = "6"
    & skf21("2","4","7","5","5","4","1","1") = "6"
    & skf21("2","4","7","5","5","4","2","1") = "6"
    & skf21("2","4","7","5","5","4","3","1") = "6"
    & skf21("2","4","7","5","5","4","4","1") = "6"
    & skf21("2","4","7","5","5","4","5","1") = "6"
    & skf21("2","4","7","5","5","4","6","1") = "6"
    & skf21("2","4","7","5","5","4","7","1") = "6"
    & skf21("2","4","7","5","5","5","1","1") = "6"
    & skf21("2","4","7","5","5","5","2","1") = "6"
    & skf21("2","4","7","5","5","5","3","1") = "6"
    & skf21("2","4","7","5","5","5","4","1") = "6"
    & skf21("2","4","7","5","5","5","5","1") = "6"
    & skf21("2","4","7","5","5","5","6","1") = "6"
    & skf21("2","4","7","5","5","5","7","1") = "6"
    & skf21("2","4","7","5","5","6","1","1") = "6"
    & skf21("2","4","7","5","5","6","2","1") = "6"
    & skf21("2","4","7","5","5","6","3","1") = "6"
    & skf21("2","4","7","5","5","6","4","1") = "6"
    & skf21("2","4","7","5","5","6","5","1") = "6"
    & skf21("2","4","7","5","5","6","6","1") = "6"
    & skf21("2","4","7","5","5","6","7","1") = "6"
    & skf21("2","4","7","5","5","7","1","1") = "6"
    & skf21("2","4","7","5","5","7","2","1") = "6"
    & skf21("2","4","7","5","5","7","3","1") = "6"
    & skf21("2","4","7","5","5","7","4","1") = "6"
    & skf21("2","4","7","5","5","7","5","1") = "6"
    & skf21("2","4","7","5","5","7","6","1") = "6"
    & skf21("2","4","7","5","5","7","7","1") = "6"
    & skf21("2","4","7","5","6","1","1","1") = "6"
    & skf21("2","4","7","5","6","1","2","1") = "6"
    & skf21("2","4","7","5","6","1","3","1") = "6"
    & skf21("2","4","7","5","6","1","4","1") = "6"
    & skf21("2","4","7","5","6","1","5","1") = "6"
    & skf21("2","4","7","5","6","1","6","1") = "6"
    & skf21("2","4","7","5","6","1","7","1") = "6"
    & skf21("2","4","7","5","6","2","1","1") = "6"
    & skf21("2","4","7","5","6","2","2","1") = "6"
    & skf21("2","4","7","5","6","2","3","1") = "6"
    & skf21("2","4","7","5","6","2","4","1") = "6"
    & skf21("2","4","7","5","6","2","5","1") = "6"
    & skf21("2","4","7","5","6","2","6","1") = "6"
    & skf21("2","4","7","5","6","2","7","1") = "6"
    & skf21("2","4","7","5","6","3","1","1") = "6"
    & skf21("2","4","7","5","6","3","2","1") = "6"
    & skf21("2","4","7","5","6","3","3","1") = "6"
    & skf21("2","4","7","5","6","3","4","1") = "6"
    & skf21("2","4","7","5","6","3","5","1") = "6"
    & skf21("2","4","7","5","6","3","6","1") = "6"
    & skf21("2","4","7","5","6","3","7","1") = "6"
    & skf21("2","4","7","5","6","4","1","1") = "6"
    & skf21("2","4","7","5","6","4","2","1") = "6"
    & skf21("2","4","7","5","6","4","3","1") = "6"
    & skf21("2","4","7","5","6","4","4","1") = "6"
    & skf21("2","4","7","5","6","4","5","1") = "6"
    & skf21("2","4","7","5","6","4","6","1") = "6"
    & skf21("2","4","7","5","6","4","7","1") = "6"
    & skf21("2","4","7","5","6","5","1","1") = "6"
    & skf21("2","4","7","5","6","5","2","1") = "6"
    & skf21("2","4","7","5","6","5","3","1") = "6"
    & skf21("2","4","7","5","6","5","4","1") = "6"
    & skf21("2","4","7","5","6","5","5","1") = "6"
    & skf21("2","4","7","5","6","5","6","1") = "6"
    & skf21("2","4","7","5","6","5","7","1") = "6"
    & skf21("2","4","7","5","6","6","1","1") = "6"
    & skf21("2","4","7","5","6","6","2","1") = "6"
    & skf21("2","4","7","5","6","6","3","1") = "6"
    & skf21("2","4","7","5","6","6","4","1") = "6"
    & skf21("2","4","7","5","6","6","5","1") = "6"
    & skf21("2","4","7","5","6","6","6","1") = "6"
    & skf21("2","4","7","5","6","6","7","1") = "6"
    & skf21("2","4","7","5","6","7","1","1") = "6"
    & skf21("2","4","7","5","6","7","2","1") = "6"
    & skf21("2","4","7","5","6","7","3","1") = "6"
    & skf21("2","4","7","5","6","7","4","1") = "6"
    & skf21("2","4","7","5","6","7","5","1") = "6"
    & skf21("2","4","7","5","6","7","6","1") = "6"
    & skf21("2","4","7","5","6","7","7","1") = "6"
    & skf21("2","4","7","5","7","1","1","1") = "6"
    & skf21("2","4","7","5","7","1","2","1") = "6"
    & skf21("2","4","7","5","7","1","3","1") = "6"
    & skf21("2","4","7","5","7","1","4","1") = "6"
    & skf21("2","4","7","5","7","1","5","1") = "6"
    & skf21("2","4","7","5","7","1","6","1") = "6"
    & skf21("2","4","7","5","7","1","7","1") = "6"
    & skf21("2","4","7","5","7","2","1","1") = "6"
    & skf21("2","4","7","5","7","2","2","1") = "6"
    & skf21("2","4","7","5","7","2","3","1") = "6"
    & skf21("2","4","7","5","7","2","4","1") = "6"
    & skf21("2","4","7","5","7","2","5","1") = "6"
    & skf21("2","4","7","5","7","2","6","1") = "6"
    & skf21("2","4","7","5","7","2","7","1") = "6"
    & skf21("2","4","7","5","7","3","1","1") = "6"
    & skf21("2","4","7","5","7","3","2","1") = "6"
    & skf21("2","4","7","5","7","3","3","1") = "6"
    & skf21("2","4","7","5","7","3","4","1") = "6"
    & skf21("2","4","7","5","7","3","5","1") = "6"
    & skf21("2","4","7","5","7","3","6","1") = "6"
    & skf21("2","4","7","5","7","3","7","1") = "6"
    & skf21("2","4","7","5","7","4","1","1") = "6"
    & skf21("2","4","7","5","7","4","2","1") = "6"
    & skf21("2","4","7","5","7","4","3","1") = "6"
    & skf21("2","4","7","5","7","4","4","1") = "6"
    & skf21("2","4","7","5","7","4","5","1") = "6"
    & skf21("2","4","7","5","7","4","6","1") = "6"
    & skf21("2","4","7","5","7","4","7","1") = "6"
    & skf21("2","4","7","5","7","5","1","1") = "6"
    & skf21("2","4","7","5","7","5","2","1") = "6"
    & skf21("2","4","7","5","7","5","3","1") = "6"
    & skf21("2","4","7","5","7","5","4","1") = "6"
    & skf21("2","4","7","5","7","5","5","1") = "6"
    & skf21("2","4","7","5","7","5","6","1") = "6"
    & skf21("2","4","7","5","7","5","7","1") = "6"
    & skf21("2","4","7","5","7","6","1","1") = "6"
    & skf21("2","4","7","5","7","6","2","1") = "6"
    & skf21("2","4","7","5","7","6","3","1") = "6"
    & skf21("2","4","7","5","7","6","4","1") = "6"
    & skf21("2","4","7","5","7","6","5","1") = "6"
    & skf21("2","4","7","5","7","6","6","1") = "6"
    & skf21("2","4","7","5","7","6","7","1") = "6"
    & skf21("2","4","7","5","7","7","1","1") = "6"
    & skf21("2","4","7","5","7","7","2","1") = "6"
    & skf21("2","4","7","5","7","7","3","1") = "6"
    & skf21("2","4","7","5","7","7","4","1") = "6"
    & skf21("2","4","7","5","7","7","5","1") = "6"
    & skf21("2","4","7","5","7","7","6","1") = "6"
    & skf21("2","4","7","5","7","7","7","1") = "6"
    & skf21("2","4","7","6","1","1","1","1") = "6"
    & skf21("2","4","7","6","1","1","2","1") = "6"
    & skf21("2","4","7","6","1","1","3","1") = "6"
    & skf21("2","4","7","6","1","1","4","1") = "6"
    & skf21("2","4","7","6","1","1","5","1") = "6"
    & skf21("2","4","7","6","1","1","6","1") = "6"
    & skf21("2","4","7","6","1","1","7","1") = "6"
    & skf21("2","4","7","6","1","2","1","1") = "6"
    & skf21("2","4","7","6","1","2","2","1") = "6"
    & skf21("2","4","7","6","1","2","3","1") = "6"
    & skf21("2","4","7","6","1","2","4","1") = "6"
    & skf21("2","4","7","6","1","2","5","1") = "6"
    & skf21("2","4","7","6","1","2","6","1") = "6"
    & skf21("2","4","7","6","1","2","7","1") = "6"
    & skf21("2","4","7","6","1","3","1","1") = "6"
    & skf21("2","4","7","6","1","3","2","1") = "6"
    & skf21("2","4","7","6","1","3","3","1") = "6"
    & skf21("2","4","7","6","1","3","4","1") = "6"
    & skf21("2","4","7","6","1","3","5","1") = "6"
    & skf21("2","4","7","6","1","3","6","1") = "6"
    & skf21("2","4","7","6","1","3","7","1") = "6"
    & skf21("2","4","7","6","1","4","1","1") = "6"
    & skf21("2","4","7","6","1","4","2","1") = "6"
    & skf21("2","4","7","6","1","4","3","1") = "6"
    & skf21("2","4","7","6","1","4","4","1") = "6"
    & skf21("2","4","7","6","1","4","5","1") = "6"
    & skf21("2","4","7","6","1","4","6","1") = "6"
    & skf21("2","4","7","6","1","4","7","1") = "6"
    & skf21("2","4","7","6","1","5","1","1") = "6"
    & skf21("2","4","7","6","1","5","2","1") = "6"
    & skf21("2","4","7","6","1","5","3","1") = "6"
    & skf21("2","4","7","6","1","5","4","1") = "6"
    & skf21("2","4","7","6","1","5","5","1") = "6"
    & skf21("2","4","7","6","1","5","6","1") = "6"
    & skf21("2","4","7","6","1","5","7","1") = "6"
    & skf21("2","4","7","6","1","6","1","1") = "6"
    & skf21("2","4","7","6","1","6","2","1") = "6"
    & skf21("2","4","7","6","1","6","3","1") = "6"
    & skf21("2","4","7","6","1","6","4","1") = "6"
    & skf21("2","4","7","6","1","6","5","1") = "6"
    & skf21("2","4","7","6","1","6","6","1") = "6"
    & skf21("2","4","7","6","1","6","7","1") = "6"
    & skf21("2","4","7","6","1","7","1","1") = "6"
    & skf21("2","4","7","6","1","7","2","1") = "6"
    & skf21("2","4","7","6","1","7","3","1") = "6"
    & skf21("2","4","7","6","1","7","4","1") = "6"
    & skf21("2","4","7","6","1","7","5","1") = "6"
    & skf21("2","4","7","6","1","7","6","1") = "6"
    & skf21("2","4","7","6","1","7","7","1") = "6"
    & skf21("2","4","7","6","2","1","1","1") = "6"
    & skf21("2","4","7","6","2","1","2","1") = "6"
    & skf21("2","4","7","6","2","1","3","1") = "6"
    & skf21("2","4","7","6","2","1","4","1") = "6"
    & skf21("2","4","7","6","2","1","5","1") = "6"
    & skf21("2","4","7","6","2","1","6","1") = "6"
    & skf21("2","4","7","6","2","1","7","1") = "6"
    & skf21("2","4","7","6","2","2","1","1") = "6"
    & skf21("2","4","7","6","2","2","2","1") = "6"
    & skf21("2","4","7","6","2","2","3","1") = "6"
    & skf21("2","4","7","6","2","2","4","1") = "6"
    & skf21("2","4","7","6","2","2","5","1") = "6"
    & skf21("2","4","7","6","2","2","6","1") = "6"
    & skf21("2","4","7","6","2","2","7","1") = "6"
    & skf21("2","4","7","6","2","3","1","1") = "6"
    & skf21("2","4","7","6","2","3","2","1") = "6"
    & skf21("2","4","7","6","2","3","3","1") = "6"
    & skf21("2","4","7","6","2","3","4","1") = "6"
    & skf21("2","4","7","6","2","3","5","1") = "6"
    & skf21("2","4","7","6","2","3","6","1") = "6"
    & skf21("2","4","7","6","2","3","7","1") = "6"
    & skf21("2","4","7","6","2","4","1","1") = "6"
    & skf21("2","4","7","6","2","4","2","1") = "6"
    & skf21("2","4","7","6","2","4","3","1") = "6"
    & skf21("2","4","7","6","2","4","4","1") = "6"
    & skf21("2","4","7","6","2","4","5","1") = "6"
    & skf21("2","4","7","6","2","4","6","1") = "6"
    & skf21("2","4","7","6","2","4","7","1") = "6"
    & skf21("2","4","7","6","2","5","1","1") = "6"
    & skf21("2","4","7","6","2","5","2","1") = "6"
    & skf21("2","4","7","6","2","5","3","1") = "6"
    & skf21("2","4","7","6","2","5","4","1") = "6"
    & skf21("2","4","7","6","2","5","5","1") = "6"
    & skf21("2","4","7","6","2","5","6","1") = "6"
    & skf21("2","4","7","6","2","5","7","1") = "6"
    & skf21("2","4","7","6","2","6","1","1") = "6"
    & skf21("2","4","7","6","2","6","2","1") = "6"
    & skf21("2","4","7","6","2","6","3","1") = "6"
    & skf21("2","4","7","6","2","6","4","1") = "6"
    & skf21("2","4","7","6","2","6","5","1") = "6"
    & skf21("2","4","7","6","2","6","6","1") = "6"
    & skf21("2","4","7","6","2","6","7","1") = "6"
    & skf21("2","4","7","6","2","7","1","1") = "6"
    & skf21("2","4","7","6","2","7","2","1") = "6"
    & skf21("2","4","7","6","2","7","3","1") = "6"
    & skf21("2","4","7","6","2","7","4","1") = "6"
    & skf21("2","4","7","6","2","7","5","1") = "6"
    & skf21("2","4","7","6","2","7","6","1") = "6"
    & skf21("2","4","7","6","2","7","7","1") = "6"
    & skf21("2","4","7","6","3","1","1","1") = "6"
    & skf21("2","4","7","6","3","1","2","1") = "6"
    & skf21("2","4","7","6","3","1","3","1") = "6"
    & skf21("2","4","7","6","3","1","4","1") = "6"
    & skf21("2","4","7","6","3","1","5","1") = "6"
    & skf21("2","4","7","6","3","1","6","1") = "6"
    & skf21("2","4","7","6","3","1","7","1") = "6"
    & skf21("2","4","7","6","3","2","1","1") = "6"
    & skf21("2","4","7","6","3","2","2","1") = "6"
    & skf21("2","4","7","6","3","2","3","1") = "6"
    & skf21("2","4","7","6","3","2","4","1") = "6"
    & skf21("2","4","7","6","3","2","5","1") = "6"
    & skf21("2","4","7","6","3","2","6","1") = "6"
    & skf21("2","4","7","6","3","2","7","1") = "6"
    & skf21("2","4","7","6","3","3","1","1") = "6"
    & skf21("2","4","7","6","3","3","2","1") = "6"
    & skf21("2","4","7","6","3","3","3","1") = "6"
    & skf21("2","4","7","6","3","3","4","1") = "6"
    & skf21("2","4","7","6","3","3","5","1") = "6"
    & skf21("2","4","7","6","3","3","6","1") = "6"
    & skf21("2","4","7","6","3","3","7","1") = "6"
    & skf21("2","4","7","6","3","4","1","1") = "6"
    & skf21("2","4","7","6","3","4","2","1") = "6"
    & skf21("2","4","7","6","3","4","3","1") = "6"
    & skf21("2","4","7","6","3","4","4","1") = "6"
    & skf21("2","4","7","6","3","4","5","1") = "6"
    & skf21("2","4","7","6","3","4","6","1") = "6"
    & skf21("2","4","7","6","3","4","7","1") = "6"
    & skf21("2","4","7","6","3","5","1","1") = "6"
    & skf21("2","4","7","6","3","5","2","1") = "6"
    & skf21("2","4","7","6","3","5","3","1") = "6"
    & skf21("2","4","7","6","3","5","4","1") = "6"
    & skf21("2","4","7","6","3","5","5","1") = "6"
    & skf21("2","4","7","6","3","5","6","1") = "6"
    & skf21("2","4","7","6","3","5","7","1") = "6"
    & skf21("2","4","7","6","3","6","1","1") = "6"
    & skf21("2","4","7","6","3","6","2","1") = "6"
    & skf21("2","4","7","6","3","6","3","1") = "6"
    & skf21("2","4","7","6","3","6","4","1") = "6"
    & skf21("2","4","7","6","3","6","5","1") = "6"
    & skf21("2","4","7","6","3","6","6","1") = "6"
    & skf21("2","4","7","6","3","6","7","1") = "6"
    & skf21("2","4","7","6","3","7","1","1") = "6"
    & skf21("2","4","7","6","3","7","2","1") = "6"
    & skf21("2","4","7","6","3","7","3","1") = "6"
    & skf21("2","4","7","6","3","7","4","1") = "6"
    & skf21("2","4","7","6","3","7","5","1") = "6"
    & skf21("2","4","7","6","3","7","6","1") = "6"
    & skf21("2","4","7","6","3","7","7","1") = "6"
    & skf21("2","4","7","6","4","1","1","1") = "6"
    & skf21("2","4","7","6","4","1","2","1") = "6"
    & skf21("2","4","7","6","4","1","3","1") = "6"
    & skf21("2","4","7","6","4","1","4","1") = "6"
    & skf21("2","4","7","6","4","1","5","1") = "6"
    & skf21("2","4","7","6","4","1","6","1") = "6"
    & skf21("2","4","7","6","4","1","7","1") = "6"
    & skf21("2","4","7","6","4","2","1","1") = "6"
    & skf21("2","4","7","6","4","2","2","1") = "6"
    & skf21("2","4","7","6","4","2","3","1") = "6"
    & skf21("2","4","7","6","4","2","4","1") = "6"
    & skf21("2","4","7","6","4","2","5","1") = "6"
    & skf21("2","4","7","6","4","2","6","1") = "6"
    & skf21("2","4","7","6","4","2","7","1") = "6"
    & skf21("2","4","7","6","4","3","1","1") = "6"
    & skf21("2","4","7","6","4","3","2","1") = "6"
    & skf21("2","4","7","6","4","3","3","1") = "6"
    & skf21("2","4","7","6","4","3","4","1") = "6"
    & skf21("2","4","7","6","4","3","5","1") = "6"
    & skf21("2","4","7","6","4","3","6","1") = "6"
    & skf21("2","4","7","6","4","3","7","1") = "6"
    & skf21("2","4","7","6","4","4","1","1") = "6"
    & skf21("2","4","7","6","4","4","2","1") = "6"
    & skf21("2","4","7","6","4","4","3","1") = "6"
    & skf21("2","4","7","6","4","4","4","1") = "6"
    & skf21("2","4","7","6","4","4","5","1") = "6"
    & skf21("2","4","7","6","4","4","6","1") = "6"
    & skf21("2","4","7","6","4","4","7","1") = "6"
    & skf21("2","4","7","6","4","5","1","1") = "6"
    & skf21("2","4","7","6","4","5","2","1") = "6"
    & skf21("2","4","7","6","4","5","3","1") = "6"
    & skf21("2","4","7","6","4","5","4","1") = "6"
    & skf21("2","4","7","6","4","5","5","1") = "6"
    & skf21("2","4","7","6","4","5","6","1") = "6"
    & skf21("2","4","7","6","4","5","7","1") = "6"
    & skf21("2","4","7","6","4","6","1","1") = "6"
    & skf21("2","4","7","6","4","6","2","1") = "6"
    & skf21("2","4","7","6","4","6","3","1") = "6"
    & skf21("2","4","7","6","4","6","4","1") = "6"
    & skf21("2","4","7","6","4","6","5","1") = "6"
    & skf21("2","4","7","6","4","6","6","1") = "6"
    & skf21("2","4","7","6","4","6","7","1") = "6"
    & skf21("2","4","7","6","4","7","1","1") = "6"
    & skf21("2","4","7","6","4","7","2","1") = "6"
    & skf21("2","4","7","6","4","7","3","1") = "6"
    & skf21("2","4","7","6","4","7","4","1") = "6"
    & skf21("2","4","7","6","4","7","5","1") = "6"
    & skf21("2","4","7","6","4","7","6","1") = "6"
    & skf21("2","4","7","6","4","7","7","1") = "6"
    & skf21("2","4","7","6","5","1","1","1") = "6"
    & skf21("2","4","7","6","5","1","2","1") = "6"
    & skf21("2","4","7","6","5","1","3","1") = "6"
    & skf21("2","4","7","6","5","1","4","1") = "6"
    & skf21("2","4","7","6","5","1","5","1") = "6"
    & skf21("2","4","7","6","5","1","6","1") = "6"
    & skf21("2","4","7","6","5","1","7","1") = "6"
    & skf21("2","4","7","6","5","2","1","1") = "6"
    & skf21("2","4","7","6","5","2","2","1") = "6"
    & skf21("2","4","7","6","5","2","3","1") = "6"
    & skf21("2","4","7","6","5","2","4","1") = "6"
    & skf21("2","4","7","6","5","2","5","1") = "6"
    & skf21("2","4","7","6","5","2","6","1") = "6"
    & skf21("2","4","7","6","5","2","7","1") = "6"
    & skf21("2","4","7","6","5","3","1","1") = "6"
    & skf21("2","4","7","6","5","3","2","1") = "6"
    & skf21("2","4","7","6","5","3","3","1") = "6"
    & skf21("2","4","7","6","5","3","4","1") = "6"
    & skf21("2","4","7","6","5","3","5","1") = "6"
    & skf21("2","4","7","6","5","3","6","1") = "6"
    & skf21("2","4","7","6","5","3","7","1") = "6"
    & skf21("2","4","7","6","5","4","1","1") = "6"
    & skf21("2","4","7","6","5","4","2","1") = "6"
    & skf21("2","4","7","6","5","4","3","1") = "6"
    & skf21("2","4","7","6","5","4","4","1") = "6"
    & skf21("2","4","7","6","5","4","5","1") = "6"
    & skf21("2","4","7","6","5","4","6","1") = "6"
    & skf21("2","4","7","6","5","4","7","1") = "6"
    & skf21("2","4","7","6","5","5","1","1") = "6"
    & skf21("2","4","7","6","5","5","2","1") = "6"
    & skf21("2","4","7","6","5","5","3","1") = "6"
    & skf21("2","4","7","6","5","5","4","1") = "6"
    & skf21("2","4","7","6","5","5","5","1") = "6"
    & skf21("2","4","7","6","5","5","6","1") = "6"
    & skf21("2","4","7","6","5","5","7","1") = "6"
    & skf21("2","4","7","6","5","6","1","1") = "6"
    & skf21("2","4","7","6","5","6","2","1") = "6"
    & skf21("2","4","7","6","5","6","3","1") = "6"
    & skf21("2","4","7","6","5","6","4","1") = "6"
    & skf21("2","4","7","6","5","6","5","1") = "6"
    & skf21("2","4","7","6","5","6","6","1") = "6"
    & skf21("2","4","7","6","5","6","7","1") = "6"
    & skf21("2","4","7","6","5","7","1","1") = "6"
    & skf21("2","4","7","6","5","7","2","1") = "6"
    & skf21("2","4","7","6","5","7","3","1") = "6"
    & skf21("2","4","7","6","5","7","4","1") = "6"
    & skf21("2","4","7","6","5","7","5","1") = "6"
    & skf21("2","4","7","6","5","7","6","1") = "6"
    & skf21("2","4","7","6","5","7","7","1") = "6"
    & skf21("2","4","7","6","6","1","1","1") = "6"
    & skf21("2","4","7","6","6","1","2","1") = "6"
    & skf21("2","4","7","6","6","1","3","1") = "6"
    & skf21("2","4","7","6","6","1","4","1") = "6"
    & skf21("2","4","7","6","6","1","5","1") = "6"
    & skf21("2","4","7","6","6","1","6","1") = "6"
    & skf21("2","4","7","6","6","1","7","1") = "6"
    & skf21("2","4","7","6","6","2","1","1") = "6"
    & skf21("2","4","7","6","6","2","2","1") = "6"
    & skf21("2","4","7","6","6","2","3","1") = "6"
    & skf21("2","4","7","6","6","2","4","1") = "6"
    & skf21("2","4","7","6","6","2","5","1") = "6"
    & skf21("2","4","7","6","6","2","6","1") = "6"
    & skf21("2","4","7","6","6","2","7","1") = "6"
    & skf21("2","4","7","6","6","3","1","1") = "6"
    & skf21("2","4","7","6","6","3","2","1") = "6"
    & skf21("2","4","7","6","6","3","3","1") = "6"
    & skf21("2","4","7","6","6","3","4","1") = "6"
    & skf21("2","4","7","6","6","3","5","1") = "6"
    & skf21("2","4","7","6","6","3","6","1") = "6"
    & skf21("2","4","7","6","6","3","7","1") = "6"
    & skf21("2","4","7","6","6","4","1","1") = "6"
    & skf21("2","4","7","6","6","4","2","1") = "6"
    & skf21("2","4","7","6","6","4","3","1") = "6"
    & skf21("2","4","7","6","6","4","4","1") = "6"
    & skf21("2","4","7","6","6","4","5","1") = "6"
    & skf21("2","4","7","6","6","4","6","1") = "6"
    & skf21("2","4","7","6","6","4","7","1") = "6"
    & skf21("2","4","7","6","6","5","1","1") = "6"
    & skf21("2","4","7","6","6","5","2","1") = "6"
    & skf21("2","4","7","6","6","5","3","1") = "6"
    & skf21("2","4","7","6","6","5","4","1") = "6"
    & skf21("2","4","7","6","6","5","5","1") = "6"
    & skf21("2","4","7","6","6","5","6","1") = "6"
    & skf21("2","4","7","6","6","5","7","1") = "6"
    & skf21("2","4","7","6","6","6","1","1") = "6"
    & skf21("2","4","7","6","6","6","2","1") = "6"
    & skf21("2","4","7","6","6","6","3","1") = "6"
    & skf21("2","4","7","6","6","6","4","1") = "6"
    & skf21("2","4","7","6","6","6","5","1") = "6"
    & skf21("2","4","7","6","6","6","6","1") = "6"
    & skf21("2","4","7","6","6","6","7","1") = "6"
    & skf21("2","4","7","6","6","7","1","1") = "6"
    & skf21("2","4","7","6","6","7","2","1") = "6"
    & skf21("2","4","7","6","6","7","3","1") = "6"
    & skf21("2","4","7","6","6","7","4","1") = "6"
    & skf21("2","4","7","6","6","7","5","1") = "6"
    & skf21("2","4","7","6","6","7","6","1") = "6"
    & skf21("2","4","7","6","6","7","7","1") = "6"
    & skf21("2","4","7","6","7","1","1","1") = "6"
    & skf21("2","4","7","6","7","1","2","1") = "6"
    & skf21("2","4","7","6","7","1","3","1") = "6"
    & skf21("2","4","7","6","7","1","4","1") = "6"
    & skf21("2","4","7","6","7","1","5","1") = "6"
    & skf21("2","4","7","6","7","1","6","1") = "6"
    & skf21("2","4","7","6","7","1","7","1") = "6"
    & skf21("2","4","7","6","7","2","1","1") = "6"
    & skf21("2","4","7","6","7","2","2","1") = "6"
    & skf21("2","4","7","6","7","2","3","1") = "6"
    & skf21("2","4","7","6","7","2","4","1") = "6"
    & skf21("2","4","7","6","7","2","5","1") = "6"
    & skf21("2","4","7","6","7","2","6","1") = "6"
    & skf21("2","4","7","6","7","2","7","1") = "6"
    & skf21("2","4","7","6","7","3","1","1") = "6"
    & skf21("2","4","7","6","7","3","2","1") = "6"
    & skf21("2","4","7","6","7","3","3","1") = "6"
    & skf21("2","4","7","6","7","3","4","1") = "6"
    & skf21("2","4","7","6","7","3","5","1") = "6"
    & skf21("2","4","7","6","7","3","6","1") = "6"
    & skf21("2","4","7","6","7","3","7","1") = "6"
    & skf21("2","4","7","6","7","4","1","1") = "6"
    & skf21("2","4","7","6","7","4","2","1") = "6"
    & skf21("2","4","7","6","7","4","3","1") = "6"
    & skf21("2","4","7","6","7","4","4","1") = "6"
    & skf21("2","4","7","6","7","4","5","1") = "6"
    & skf21("2","4","7","6","7","4","6","1") = "6"
    & skf21("2","4","7","6","7","4","7","1") = "6"
    & skf21("2","4","7","6","7","5","1","1") = "6"
    & skf21("2","4","7","6","7","5","2","1") = "6"
    & skf21("2","4","7","6","7","5","3","1") = "6"
    & skf21("2","4","7","6","7","5","4","1") = "6"
    & skf21("2","4","7","6","7","5","5","1") = "6"
    & skf21("2","4","7","6","7","5","6","1") = "6"
    & skf21("2","4","7","6","7","5","7","1") = "6"
    & skf21("2","4","7","6","7","6","1","1") = "6"
    & skf21("2","4","7","6","7","6","2","1") = "6"
    & skf21("2","4","7","6","7","6","3","1") = "6"
    & skf21("2","4","7","6","7","6","4","1") = "6"
    & skf21("2","4","7","6","7","6","5","1") = "6"
    & skf21("2","4","7","6","7","6","6","1") = "6"
    & skf21("2","4","7","6","7","6","7","1") = "6"
    & skf21("2","4","7","6","7","7","1","1") = "6"
    & skf21("2","4","7","6","7","7","2","1") = "6"
    & skf21("2","4","7","6","7","7","3","1") = "6"
    & skf21("2","4","7","6","7","7","4","1") = "6"
    & skf21("2","4","7","6","7","7","5","1") = "6"
    & skf21("2","4","7","6","7","7","6","1") = "6"
    & skf21("2","4","7","6","7","7","7","1") = "6"
    & skf21("2","4","7","7","1","1","1","1") = "6"
    & skf21("2","4","7","7","1","1","2","1") = "6"
    & skf21("2","4","7","7","1","1","3","1") = "6"
    & skf21("2","4","7","7","1","1","4","1") = "6"
    & skf21("2","4","7","7","1","1","5","1") = "6"
    & skf21("2","4","7","7","1","1","6","1") = "6"
    & skf21("2","4","7","7","1","1","7","1") = "6"
    & skf21("2","4","7","7","1","2","1","1") = "6"
    & skf21("2","4","7","7","1","2","2","1") = "6"
    & skf21("2","4","7","7","1","2","3","1") = "6"
    & skf21("2","4","7","7","1","2","4","1") = "6"
    & skf21("2","4","7","7","1","2","5","1") = "6"
    & skf21("2","4","7","7","1","2","6","1") = "6"
    & skf21("2","4","7","7","1","2","7","1") = "6"
    & skf21("2","4","7","7","1","3","1","1") = "6"
    & skf21("2","4","7","7","1","3","2","1") = "6"
    & skf21("2","4","7","7","1","3","3","1") = "6"
    & skf21("2","4","7","7","1","3","4","1") = "6"
    & skf21("2","4","7","7","1","3","5","1") = "6"
    & skf21("2","4","7","7","1","3","6","1") = "6"
    & skf21("2","4","7","7","1","3","7","1") = "6"
    & skf21("2","4","7","7","1","4","1","1") = "6"
    & skf21("2","4","7","7","1","4","2","1") = "6"
    & skf21("2","4","7","7","1","4","3","1") = "6"
    & skf21("2","4","7","7","1","4","4","1") = "6"
    & skf21("2","4","7","7","1","4","5","1") = "6"
    & skf21("2","4","7","7","1","4","6","1") = "6"
    & skf21("2","4","7","7","1","4","7","1") = "6"
    & skf21("2","4","7","7","1","5","1","1") = "6"
    & skf21("2","4","7","7","1","5","2","1") = "6"
    & skf21("2","4","7","7","1","5","3","1") = "6"
    & skf21("2","4","7","7","1","5","4","1") = "6"
    & skf21("2","4","7","7","1","5","5","1") = "6"
    & skf21("2","4","7","7","1","5","6","1") = "6"
    & skf21("2","4","7","7","1","5","7","1") = "6"
    & skf21("2","4","7","7","1","6","1","1") = "6"
    & skf21("2","4","7","7","1","6","2","1") = "6"
    & skf21("2","4","7","7","1","6","3","1") = "6"
    & skf21("2","4","7","7","1","6","4","1") = "6"
    & skf21("2","4","7","7","1","6","5","1") = "6"
    & skf21("2","4","7","7","1","6","6","1") = "6"
    & skf21("2","4","7","7","1","6","7","1") = "6"
    & skf21("2","4","7","7","1","7","1","1") = "6"
    & skf21("2","4","7","7","1","7","2","1") = "6"
    & skf21("2","4","7","7","1","7","3","1") = "6"
    & skf21("2","4","7","7","1","7","4","1") = "6"
    & skf21("2","4","7","7","1","7","5","1") = "6"
    & skf21("2","4","7","7","1","7","6","1") = "6"
    & skf21("2","4","7","7","1","7","7","1") = "6"
    & skf21("2","4","7","7","2","1","1","1") = "6"
    & skf21("2","4","7","7","2","1","2","1") = "6"
    & skf21("2","4","7","7","2","1","3","1") = "6"
    & skf21("2","4","7","7","2","1","4","1") = "6"
    & skf21("2","4","7","7","2","1","5","1") = "6"
    & skf21("2","4","7","7","2","1","6","1") = "6"
    & skf21("2","4","7","7","2","1","7","1") = "6"
    & skf21("2","4","7","7","2","2","1","1") = "6"
    & skf21("2","4","7","7","2","2","2","1") = "6"
    & skf21("2","4","7","7","2","2","3","1") = "6"
    & skf21("2","4","7","7","2","2","4","1") = "6"
    & skf21("2","4","7","7","2","2","5","1") = "6"
    & skf21("2","4","7","7","2","2","6","1") = "6"
    & skf21("2","4","7","7","2","2","7","1") = "6"
    & skf21("2","4","7","7","2","3","1","1") = "6"
    & skf21("2","4","7","7","2","3","2","1") = "6"
    & skf21("2","4","7","7","2","3","3","1") = "6"
    & skf21("2","4","7","7","2","3","4","1") = "6"
    & skf21("2","4","7","7","2","3","5","1") = "6"
    & skf21("2","4","7","7","2","3","6","1") = "6"
    & skf21("2","4","7","7","2","3","7","1") = "6"
    & skf21("2","4","7","7","2","4","1","1") = "6"
    & skf21("2","4","7","7","2","4","2","1") = "6"
    & skf21("2","4","7","7","2","4","3","1") = "6"
    & skf21("2","4","7","7","2","4","4","1") = "6"
    & skf21("2","4","7","7","2","4","5","1") = "6"
    & skf21("2","4","7","7","2","4","6","1") = "6"
    & skf21("2","4","7","7","2","4","7","1") = "6"
    & skf21("2","4","7","7","2","5","1","1") = "6"
    & skf21("2","4","7","7","2","5","2","1") = "6"
    & skf21("2","4","7","7","2","5","3","1") = "6"
    & skf21("2","4","7","7","2","5","4","1") = "6"
    & skf21("2","4","7","7","2","5","5","1") = "6"
    & skf21("2","4","7","7","2","5","6","1") = "6"
    & skf21("2","4","7","7","2","5","7","1") = "6"
    & skf21("2","4","7","7","2","6","1","1") = "6"
    & skf21("2","4","7","7","2","6","2","1") = "6"
    & skf21("2","4","7","7","2","6","3","1") = "6"
    & skf21("2","4","7","7","2","6","4","1") = "6"
    & skf21("2","4","7","7","2","6","5","1") = "6"
    & skf21("2","4","7","7","2","6","6","1") = "6"
    & skf21("2","4","7","7","2","6","7","1") = "6"
    & skf21("2","4","7","7","2","7","1","1") = "6"
    & skf21("2","4","7","7","2","7","2","1") = "6"
    & skf21("2","4","7","7","2","7","3","1") = "6"
    & skf21("2","4","7","7","2","7","4","1") = "6"
    & skf21("2","4","7","7","2","7","5","1") = "6"
    & skf21("2","4","7","7","2","7","6","1") = "6"
    & skf21("2","4","7","7","2","7","7","1") = "6"
    & skf21("2","4","7","7","3","1","1","1") = "6"
    & skf21("2","4","7","7","3","1","2","1") = "6"
    & skf21("2","4","7","7","3","1","3","1") = "6"
    & skf21("2","4","7","7","3","1","4","1") = "6"
    & skf21("2","4","7","7","3","1","5","1") = "6"
    & skf21("2","4","7","7","3","1","6","1") = "6"
    & skf21("2","4","7","7","3","1","7","1") = "6"
    & skf21("2","4","7","7","3","2","1","1") = "6"
    & skf21("2","4","7","7","3","2","2","1") = "6"
    & skf21("2","4","7","7","3","2","3","1") = "6"
    & skf21("2","4","7","7","3","2","4","1") = "6"
    & skf21("2","4","7","7","3","2","5","1") = "6"
    & skf21("2","4","7","7","3","2","6","1") = "6"
    & skf21("2","4","7","7","3","2","7","1") = "6"
    & skf21("2","4","7","7","3","3","1","1") = "6"
    & skf21("2","4","7","7","3","3","2","1") = "6"
    & skf21("2","4","7","7","3","3","3","1") = "6"
    & skf21("2","4","7","7","3","3","4","1") = "6"
    & skf21("2","4","7","7","3","3","5","1") = "6"
    & skf21("2","4","7","7","3","3","6","1") = "6"
    & skf21("2","4","7","7","3","3","7","1") = "6"
    & skf21("2","4","7","7","3","4","1","1") = "6"
    & skf21("2","4","7","7","3","4","2","1") = "6"
    & skf21("2","4","7","7","3","4","3","1") = "6"
    & skf21("2","4","7","7","3","4","4","1") = "6"
    & skf21("2","4","7","7","3","4","5","1") = "6"
    & skf21("2","4","7","7","3","4","6","1") = "6"
    & skf21("2","4","7","7","3","4","7","1") = "6"
    & skf21("2","4","7","7","3","5","1","1") = "6"
    & skf21("2","4","7","7","3","5","2","1") = "6"
    & skf21("2","4","7","7","3","5","3","1") = "6"
    & skf21("2","4","7","7","3","5","4","1") = "6"
    & skf21("2","4","7","7","3","5","5","1") = "6"
    & skf21("2","4","7","7","3","5","6","1") = "6"
    & skf21("2","4","7","7","3","5","7","1") = "6"
    & skf21("2","4","7","7","3","6","1","1") = "6"
    & skf21("2","4","7","7","3","6","2","1") = "6"
    & skf21("2","4","7","7","3","6","3","1") = "6"
    & skf21("2","4","7","7","3","6","4","1") = "6"
    & skf21("2","4","7","7","3","6","5","1") = "6"
    & skf21("2","4","7","7","3","6","6","1") = "6"
    & skf21("2","4","7","7","3","6","7","1") = "6"
    & skf21("2","4","7","7","3","7","1","1") = "6"
    & skf21("2","4","7","7","3","7","2","1") = "6"
    & skf21("2","4","7","7","3","7","3","1") = "6"
    & skf21("2","4","7","7","3","7","4","1") = "6"
    & skf21("2","4","7","7","3","7","5","1") = "6"
    & skf21("2","4","7","7","3","7","6","1") = "6"
    & skf21("2","4","7","7","3","7","7","1") = "6"
    & skf21("2","4","7","7","4","1","1","1") = "6"
    & skf21("2","4","7","7","4","1","2","1") = "6"
    & skf21("2","4","7","7","4","1","3","1") = "6"
    & skf21("2","4","7","7","4","1","4","1") = "6"
    & skf21("2","4","7","7","4","1","5","1") = "6"
    & skf21("2","4","7","7","4","1","6","1") = "6"
    & skf21("2","4","7","7","4","1","7","1") = "6"
    & skf21("2","4","7","7","4","2","1","1") = "6"
    & skf21("2","4","7","7","4","2","2","1") = "6"
    & skf21("2","4","7","7","4","2","3","1") = "6"
    & skf21("2","4","7","7","4","2","4","1") = "6"
    & skf21("2","4","7","7","4","2","5","1") = "6"
    & skf21("2","4","7","7","4","2","6","1") = "6"
    & skf21("2","4","7","7","4","2","7","1") = "6"
    & skf21("2","4","7","7","4","3","1","1") = "6"
    & skf21("2","4","7","7","4","3","2","1") = "6"
    & skf21("2","4","7","7","4","3","3","1") = "6"
    & skf21("2","4","7","7","4","3","4","1") = "6"
    & skf21("2","4","7","7","4","3","5","1") = "6"
    & skf21("2","4","7","7","4","3","6","1") = "6"
    & skf21("2","4","7","7","4","3","7","1") = "6"
    & skf21("2","4","7","7","4","4","1","1") = "6"
    & skf21("2","4","7","7","4","4","2","1") = "6"
    & skf21("2","4","7","7","4","4","3","1") = "6"
    & skf21("2","4","7","7","4","4","4","1") = "6"
    & skf21("2","4","7","7","4","4","5","1") = "6"
    & skf21("2","4","7","7","4","4","6","1") = "6"
    & skf21("2","4","7","7","4","4","7","1") = "6"
    & skf21("2","4","7","7","4","5","1","1") = "6"
    & skf21("2","4","7","7","4","5","2","1") = "6"
    & skf21("2","4","7","7","4","5","3","1") = "6"
    & skf21("2","4","7","7","4","5","4","1") = "6"
    & skf21("2","4","7","7","4","5","5","1") = "6"
    & skf21("2","4","7","7","4","5","6","1") = "6"
    & skf21("2","4","7","7","4","5","7","1") = "6"
    & skf21("2","4","7","7","4","6","1","1") = "6"
    & skf21("2","4","7","7","4","6","2","1") = "6"
    & skf21("2","4","7","7","4","6","3","1") = "6"
    & skf21("2","4","7","7","4","6","4","1") = "6"
    & skf21("2","4","7","7","4","6","5","1") = "6"
    & skf21("2","4","7","7","4","6","6","1") = "6"
    & skf21("2","4","7","7","4","6","7","1") = "6"
    & skf21("2","4","7","7","4","7","1","1") = "6"
    & skf21("2","4","7","7","4","7","2","1") = "6"
    & skf21("2","4","7","7","4","7","3","1") = "6"
    & skf21("2","4","7","7","4","7","4","1") = "6"
    & skf21("2","4","7","7","4","7","5","1") = "6"
    & skf21("2","4","7","7","4","7","6","1") = "6"
    & skf21("2","4","7","7","4","7","7","1") = "6"
    & skf21("2","4","7","7","5","1","1","1") = "6"
    & skf21("2","4","7","7","5","1","2","1") = "6"
    & skf21("2","4","7","7","5","1","3","1") = "6"
    & skf21("2","4","7","7","5","1","4","1") = "6"
    & skf21("2","4","7","7","5","1","5","1") = "6"
    & skf21("2","4","7","7","5","1","6","1") = "6"
    & skf21("2","4","7","7","5","1","7","1") = "6"
    & skf21("2","4","7","7","5","2","1","1") = "6"
    & skf21("2","4","7","7","5","2","2","1") = "6"
    & skf21("2","4","7","7","5","2","3","1") = "6"
    & skf21("2","4","7","7","5","2","4","1") = "6"
    & skf21("2","4","7","7","5","2","5","1") = "6"
    & skf21("2","4","7","7","5","2","6","1") = "6"
    & skf21("2","4","7","7","5","2","7","1") = "6"
    & skf21("2","4","7","7","5","3","1","1") = "6"
    & skf21("2","4","7","7","5","3","2","1") = "6"
    & skf21("2","4","7","7","5","3","3","1") = "6"
    & skf21("2","4","7","7","5","3","4","1") = "6"
    & skf21("2","4","7","7","5","3","5","1") = "6"
    & skf21("2","4","7","7","5","3","6","1") = "6"
    & skf21("2","4","7","7","5","3","7","1") = "6"
    & skf21("2","4","7","7","5","4","1","1") = "6"
    & skf21("2","4","7","7","5","4","2","1") = "6"
    & skf21("2","4","7","7","5","4","3","1") = "6"
    & skf21("2","4","7","7","5","4","4","1") = "6"
    & skf21("2","4","7","7","5","4","5","1") = "6"
    & skf21("2","4","7","7","5","4","6","1") = "6"
    & skf21("2","4","7","7","5","4","7","1") = "6"
    & skf21("2","4","7","7","5","5","1","1") = "6"
    & skf21("2","4","7","7","5","5","2","1") = "6"
    & skf21("2","4","7","7","5","5","3","1") = "6"
    & skf21("2","4","7","7","5","5","4","1") = "6"
    & skf21("2","4","7","7","5","5","5","1") = "6"
    & skf21("2","4","7","7","5","5","6","1") = "6"
    & skf21("2","4","7","7","5","5","7","1") = "6"
    & skf21("2","4","7","7","5","6","1","1") = "6"
    & skf21("2","4","7","7","5","6","2","1") = "6"
    & skf21("2","4","7","7","5","6","3","1") = "6"
    & skf21("2","4","7","7","5","6","4","1") = "6"
    & skf21("2","4","7","7","5","6","5","1") = "6"
    & skf21("2","4","7","7","5","6","6","1") = "6"
    & skf21("2","4","7","7","5","6","7","1") = "6"
    & skf21("2","4","7","7","5","7","1","1") = "6"
    & skf21("2","4","7","7","5","7","2","1") = "6"
    & skf21("2","4","7","7","5","7","3","1") = "6"
    & skf21("2","4","7","7","5","7","4","1") = "6"
    & skf21("2","4","7","7","5","7","5","1") = "6"
    & skf21("2","4","7","7","5","7","6","1") = "6"
    & skf21("2","4","7","7","5","7","7","1") = "6"
    & skf21("2","4","7","7","6","1","1","1") = "6"
    & skf21("2","4","7","7","6","1","2","1") = "6"
    & skf21("2","4","7","7","6","1","3","1") = "6"
    & skf21("2","4","7","7","6","1","4","1") = "6"
    & skf21("2","4","7","7","6","1","5","1") = "6"
    & skf21("2","4","7","7","6","1","6","1") = "6"
    & skf21("2","4","7","7","6","1","7","1") = "6"
    & skf21("2","4","7","7","6","2","1","1") = "6"
    & skf21("2","4","7","7","6","2","2","1") = "6"
    & skf21("2","4","7","7","6","2","3","1") = "6"
    & skf21("2","4","7","7","6","2","4","1") = "6"
    & skf21("2","4","7","7","6","2","5","1") = "6"
    & skf21("2","4","7","7","6","2","6","1") = "6"
    & skf21("2","4","7","7","6","2","7","1") = "6"
    & skf21("2","4","7","7","6","3","1","1") = "6"
    & skf21("2","4","7","7","6","3","2","1") = "6"
    & skf21("2","4","7","7","6","3","3","1") = "6"
    & skf21("2","4","7","7","6","3","4","1") = "6"
    & skf21("2","4","7","7","6","3","5","1") = "6"
    & skf21("2","4","7","7","6","3","6","1") = "6"
    & skf21("2","4","7","7","6","3","7","1") = "6"
    & skf21("2","4","7","7","6","4","1","1") = "6"
    & skf21("2","4","7","7","6","4","2","1") = "6"
    & skf21("2","4","7","7","6","4","3","1") = "6"
    & skf21("2","4","7","7","6","4","4","1") = "6"
    & skf21("2","4","7","7","6","4","5","1") = "6"
    & skf21("2","4","7","7","6","4","6","1") = "6"
    & skf21("2","4","7","7","6","4","7","1") = "6"
    & skf21("2","4","7","7","6","5","1","1") = "6"
    & skf21("2","4","7","7","6","5","2","1") = "6"
    & skf21("2","4","7","7","6","5","3","1") = "6"
    & skf21("2","4","7","7","6","5","4","1") = "6"
    & skf21("2","4","7","7","6","5","5","1") = "6"
    & skf21("2","4","7","7","6","5","6","1") = "6"
    & skf21("2","4","7","7","6","5","7","1") = "6"
    & skf21("2","4","7","7","6","6","1","1") = "6"
    & skf21("2","4","7","7","6","6","2","1") = "6"
    & skf21("2","4","7","7","6","6","3","1") = "6"
    & skf21("2","4","7","7","6","6","4","1") = "6"
    & skf21("2","4","7","7","6","6","5","1") = "6"
    & skf21("2","4","7","7","6","6","6","1") = "6"
    & skf21("2","4","7","7","6","6","7","1") = "6"
    & skf21("2","4","7","7","6","7","1","1") = "6"
    & skf21("2","4","7","7","6","7","2","1") = "6"
    & skf21("2","4","7","7","6","7","3","1") = "6"
    & skf21("2","4","7","7","6","7","4","1") = "6"
    & skf21("2","4","7","7","6","7","5","1") = "6"
    & skf21("2","4","7","7","6","7","6","1") = "6"
    & skf21("2","4","7","7","6","7","7","1") = "6"
    & skf21("2","4","7","7","7","1","1","1") = "6"
    & skf21("2","4","7","7","7","1","2","1") = "6"
    & skf21("2","4","7","7","7","1","3","1") = "6"
    & skf21("2","4","7","7","7","1","4","1") = "6"
    & skf21("2","4","7","7","7","1","5","1") = "6"
    & skf21("2","4","7","7","7","1","6","1") = "6"
    & skf21("2","4","7","7","7","1","7","1") = "6"
    & skf21("2","4","7","7","7","2","1","1") = "6"
    & skf21("2","4","7","7","7","2","2","1") = "6"
    & skf21("2","4","7","7","7","2","3","1") = "6"
    & skf21("2","4","7","7","7","2","4","1") = "6"
    & skf21("2","4","7","7","7","2","5","1") = "6"
    & skf21("2","4","7","7","7","2","6","1") = "6"
    & skf21("2","4","7","7","7","2","7","1") = "6"
    & skf21("2","4","7","7","7","3","1","1") = "6"
    & skf21("2","4","7","7","7","3","2","1") = "6"
    & skf21("2","4","7","7","7","3","3","1") = "6"
    & skf21("2","4","7","7","7","3","4","1") = "6"
    & skf21("2","4","7","7","7","3","5","1") = "6"
    & skf21("2","4","7","7","7","3","6","1") = "6"
    & skf21("2","4","7","7","7","3","7","1") = "6"
    & skf21("2","4","7","7","7","4","1","1") = "6"
    & skf21("2","4","7","7","7","4","2","1") = "6"
    & skf21("2","4","7","7","7","4","3","1") = "6"
    & skf21("2","4","7","7","7","4","4","1") = "6"
    & skf21("2","4","7","7","7","4","5","1") = "6"
    & skf21("2","4","7","7","7","4","6","1") = "6"
    & skf21("2","4","7","7","7","4","7","1") = "6"
    & skf21("2","4","7","7","7","5","1","1") = "6"
    & skf21("2","4","7","7","7","5","2","1") = "6"
    & skf21("2","4","7","7","7","5","3","1") = "6"
    & skf21("2","4","7","7","7","5","4","1") = "6"
    & skf21("2","4","7","7","7","5","5","1") = "6"
    & skf21("2","4","7","7","7","5","6","1") = "6"
    & skf21("2","4","7","7","7","5","7","1") = "6"
    & skf21("2","4","7","7","7","6","1","1") = "6"
    & skf21("2","4","7","7","7","6","2","1") = "6"
    & skf21("2","4","7","7","7","6","3","1") = "6"
    & skf21("2","4","7","7","7","6","4","1") = "6"
    & skf21("2","4","7","7","7","6","5","1") = "6"
    & skf21("2","4","7","7","7","6","6","1") = "6"
    & skf21("2","4","7","7","7","6","7","1") = "6"
    & skf21("2","4","7","7","7","7","1","1") = "6"
    & skf21("2","4","7","7","7","7","2","1") = "6"
    & skf21("2","4","7","7","7","7","3","1") = "6"
    & skf21("2","4","7","7","7","7","4","1") = "6"
    & skf21("2","4","7","7","7","7","5","1") = "6"
    & skf21("2","4","7","7","7","7","6","1") = "6"
    & skf21("2","4","7","7","7","7","7","1") = "6"
    & skf21("2","5","1","1","1","1","1","1") = "4"
    & skf21("2","5","1","1","1","1","2","1") = "4"
    & skf21("2","5","1","1","1","1","3","1") = "4"
    & skf21("2","5","1","1","1","1","4","1") = "4"
    & skf21("2","5","1","1","1","1","5","1") = "4"
    & skf21("2","5","1","1","1","1","6","1") = "5"
    & skf21("2","5","1","1","1","1","7","1") = "6"
    & skf21("2","5","1","1","1","2","1","1") = "4"
    & skf21("2","5","1","1","1","2","2","1") = "4"
    & skf21("2","5","1","1","1","2","3","1") = "4"
    & skf21("2","5","1","1","1","2","4","1") = "4"
    & skf21("2","5","1","1","1","2","5","1") = "4"
    & skf21("2","5","1","1","1","2","6","1") = "5"
    & skf21("2","5","1","1","1","2","7","1") = "6"
    & skf21("2","5","1","1","1","3","1","1") = "4"
    & skf21("2","5","1","1","1","3","2","1") = "4"
    & skf21("2","5","1","1","1","3","3","1") = "4"
    & skf21("2","5","1","1","1","3","4","1") = "4"
    & skf21("2","5","1","1","1","3","5","1") = "4"
    & skf21("2","5","1","1","1","3","6","1") = "5"
    & skf21("2","5","1","1","1","3","7","1") = "6"
    & skf21("2","5","1","1","1","4","1","1") = "4"
    & skf21("2","5","1","1","1","4","2","1") = "4"
    & skf21("2","5","1","1","1","4","3","1") = "4"
    & skf21("2","5","1","1","1","4","4","1") = "4"
    & skf21("2","5","1","1","1","4","5","1") = "4"
    & skf21("2","5","1","1","1","4","6","1") = "5"
    & skf21("2","5","1","1","1","4","7","1") = "6"
    & skf21("2","5","1","1","1","5","1","1") = "4"
    & skf21("2","5","1","1","1","5","2","1") = "4"
    & skf21("2","5","1","1","1","5","3","1") = "4"
    & skf21("2","5","1","1","1","5","4","1") = "4"
    & skf21("2","5","1","1","1","5","5","1") = "4"
    & skf21("2","5","1","1","1","5","6","1") = "5"
    & skf21("2","5","1","1","1","5","7","1") = "6"
    & skf21("2","5","1","1","1","6","1","1") = "5"
    & skf21("2","5","1","1","1","6","2","1") = "5"
    & skf21("2","5","1","1","1","6","3","1") = "5"
    & skf21("2","5","1","1","1","6","4","1") = "5"
    & skf21("2","5","1","1","1","6","5","1") = "5"
    & skf21("2","5","1","1","1","6","6","1") = "5"
    & skf21("2","5","1","1","1","6","7","1") = "6"
    & skf21("2","5","1","1","1","7","1","1") = "6"
    & skf21("2","5","1","1","1","7","2","1") = "6"
    & skf21("2","5","1","1","1","7","3","1") = "6"
    & skf21("2","5","1","1","1","7","4","1") = "6"
    & skf21("2","5","1","1","1","7","5","1") = "6"
    & skf21("2","5","1","1","1","7","6","1") = "6"
    & skf21("2","5","1","1","1","7","7","1") = "6"
    & skf21("2","5","1","1","2","1","1","1") = "4"
    & skf21("2","5","1","1","2","1","2","1") = "4"
    & skf21("2","5","1","1","2","1","3","1") = "4"
    & skf21("2","5","1","1","2","1","4","1") = "4"
    & skf21("2","5","1","1","2","1","5","1") = "4"
    & skf21("2","5","1","1","2","1","6","1") = "5"
    & skf21("2","5","1","1","2","1","7","1") = "6"
    & skf21("2","5","1","1","2","2","1","1") = "4"
    & skf21("2","5","1","1","2","2","2","1") = "4"
    & skf21("2","5","1","1","2","2","3","1") = "4"
    & skf21("2","5","1","1","2","2","4","1") = "4"
    & skf21("2","5","1","1","2","2","5","1") = "4"
    & skf21("2","5","1","1","2","2","6","1") = "5"
    & skf21("2","5","1","1","2","2","7","1") = "6"
    & skf21("2","5","1","1","2","3","1","1") = "4"
    & skf21("2","5","1","1","2","3","2","1") = "4"
    & skf21("2","5","1","1","2","3","3","1") = "4"
    & skf21("2","5","1","1","2","3","4","1") = "4"
    & skf21("2","5","1","1","2","3","5","1") = "4"
    & skf21("2","5","1","1","2","3","6","1") = "5"
    & skf21("2","5","1","1","2","3","7","1") = "6"
    & skf21("2","5","1","1","2","4","1","1") = "4"
    & skf21("2","5","1","1","2","4","2","1") = "4"
    & skf21("2","5","1","1","2","4","3","1") = "4"
    & skf21("2","5","1","1","2","4","4","1") = "4"
    & skf21("2","5","1","1","2","4","5","1") = "4"
    & skf21("2","5","1","1","2","4","6","1") = "5"
    & skf21("2","5","1","1","2","4","7","1") = "6"
    & skf21("2","5","1","1","2","5","1","1") = "4"
    & skf21("2","5","1","1","2","5","2","1") = "4"
    & skf21("2","5","1","1","2","5","3","1") = "4"
    & skf21("2","5","1","1","2","5","4","1") = "4"
    & skf21("2","5","1","1","2","5","5","1") = "4"
    & skf21("2","5","1","1","2","5","6","1") = "5"
    & skf21("2","5","1","1","2","5","7","1") = "6"
    & skf21("2","5","1","1","2","6","1","1") = "5"
    & skf21("2","5","1","1","2","6","2","1") = "5"
    & skf21("2","5","1","1","2","6","3","1") = "5"
    & skf21("2","5","1","1","2","6","4","1") = "5"
    & skf21("2","5","1","1","2","6","5","1") = "5"
    & skf21("2","5","1","1","2","6","6","1") = "5"
    & skf21("2","5","1","1","2","6","7","1") = "6"
    & skf21("2","5","1","1","2","7","1","1") = "6"
    & skf21("2","5","1","1","2","7","2","1") = "6"
    & skf21("2","5","1","1","2","7","3","1") = "6"
    & skf21("2","5","1","1","2","7","4","1") = "6"
    & skf21("2","5","1","1","2","7","5","1") = "6"
    & skf21("2","5","1","1","2","7","6","1") = "6"
    & skf21("2","5","1","1","2","7","7","1") = "6"
    & skf21("2","5","1","1","3","1","1","1") = "4"
    & skf21("2","5","1","1","3","1","2","1") = "4"
    & skf21("2","5","1","1","3","1","3","1") = "4"
    & skf21("2","5","1","1","3","1","4","1") = "4"
    & skf21("2","5","1","1","3","1","5","1") = "4"
    & skf21("2","5","1","1","3","1","6","1") = "5"
    & skf21("2","5","1","1","3","1","7","1") = "6"
    & skf21("2","5","1","1","3","2","1","1") = "4"
    & skf21("2","5","1","1","3","2","2","1") = "4"
    & skf21("2","5","1","1","3","2","3","1") = "4"
    & skf21("2","5","1","1","3","2","4","1") = "4"
    & skf21("2","5","1","1","3","2","5","1") = "4"
    & skf21("2","5","1","1","3","2","6","1") = "5"
    & skf21("2","5","1","1","3","2","7","1") = "6"
    & skf21("2","5","1","1","3","3","1","1") = "4"
    & skf21("2","5","1","1","3","3","2","1") = "4"
    & skf21("2","5","1","1","3","3","3","1") = "4"
    & skf21("2","5","1","1","3","3","4","1") = "4"
    & skf21("2","5","1","1","3","3","5","1") = "4"
    & skf21("2","5","1","1","3","3","6","1") = "5"
    & skf21("2","5","1","1","3","3","7","1") = "6"
    & skf21("2","5","1","1","3","4","1","1") = "4"
    & skf21("2","5","1","1","3","4","2","1") = "4"
    & skf21("2","5","1","1","3","4","3","1") = "4"
    & skf21("2","5","1","1","3","4","4","1") = "4"
    & skf21("2","5","1","1","3","4","5","1") = "4"
    & skf21("2","5","1","1","3","4","6","1") = "5"
    & skf21("2","5","1","1","3","4","7","1") = "6"
    & skf21("2","5","1","1","3","5","1","1") = "4"
    & skf21("2","5","1","1","3","5","2","1") = "4"
    & skf21("2","5","1","1","3","5","3","1") = "4"
    & skf21("2","5","1","1","3","5","4","1") = "4"
    & skf21("2","5","1","1","3","5","5","1") = "4"
    & skf21("2","5","1","1","3","5","6","1") = "5"
    & skf21("2","5","1","1","3","5","7","1") = "6"
    & skf21("2","5","1","1","3","6","1","1") = "5"
    & skf21("2","5","1","1","3","6","2","1") = "5"
    & skf21("2","5","1","1","3","6","3","1") = "5"
    & skf21("2","5","1","1","3","6","4","1") = "5"
    & skf21("2","5","1","1","3","6","5","1") = "5"
    & skf21("2","5","1","1","3","6","6","1") = "5"
    & skf21("2","5","1","1","3","6","7","1") = "6"
    & skf21("2","5","1","1","3","7","1","1") = "6"
    & skf21("2","5","1","1","3","7","2","1") = "6"
    & skf21("2","5","1","1","3","7","3","1") = "6"
    & skf21("2","5","1","1","3","7","4","1") = "6"
    & skf21("2","5","1","1","3","7","5","1") = "6"
    & skf21("2","5","1","1","3","7","6","1") = "6"
    & skf21("2","5","1","1","3","7","7","1") = "6"
    & skf21("2","5","1","1","4","1","1","1") = "4"
    & skf21("2","5","1","1","4","1","2","1") = "4"
    & skf21("2","5","1","1","4","1","3","1") = "4"
    & skf21("2","5","1","1","4","1","4","1") = "4"
    & skf21("2","5","1","1","4","1","5","1") = "4"
    & skf21("2","5","1","1","4","1","6","1") = "5"
    & skf21("2","5","1","1","4","1","7","1") = "6"
    & skf21("2","5","1","1","4","2","1","1") = "4"
    & skf21("2","5","1","1","4","2","2","1") = "4"
    & skf21("2","5","1","1","4","2","3","1") = "4"
    & skf21("2","5","1","1","4","2","4","1") = "4"
    & skf21("2","5","1","1","4","2","5","1") = "4"
    & skf21("2","5","1","1","4","2","6","1") = "5"
    & skf21("2","5","1","1","4","2","7","1") = "6"
    & skf21("2","5","1","1","4","3","1","1") = "4"
    & skf21("2","5","1","1","4","3","2","1") = "4"
    & skf21("2","5","1","1","4","3","3","1") = "4"
    & skf21("2","5","1","1","4","3","4","1") = "4"
    & skf21("2","5","1","1","4","3","5","1") = "4"
    & skf21("2","5","1","1","4","3","6","1") = "5"
    & skf21("2","5","1","1","4","3","7","1") = "6"
    & skf21("2","5","1","1","4","4","1","1") = "4"
    & skf21("2","5","1","1","4","4","2","1") = "4"
    & skf21("2","5","1","1","4","4","3","1") = "4"
    & skf21("2","5","1","1","4","4","4","1") = "4"
    & skf21("2","5","1","1","4","4","5","1") = "4"
    & skf21("2","5","1","1","4","4","6","1") = "5"
    & skf21("2","5","1","1","4","4","7","1") = "6"
    & skf21("2","5","1","1","4","5","1","1") = "4"
    & skf21("2","5","1","1","4","5","2","1") = "4"
    & skf21("2","5","1","1","4","5","3","1") = "4"
    & skf21("2","5","1","1","4","5","4","1") = "4"
    & skf21("2","5","1","1","4","5","5","1") = "4"
    & skf21("2","5","1","1","4","5","6","1") = "5"
    & skf21("2","5","1","1","4","5","7","1") = "6"
    & skf21("2","5","1","1","4","6","1","1") = "5"
    & skf21("2","5","1","1","4","6","2","1") = "5"
    & skf21("2","5","1","1","4","6","3","1") = "5"
    & skf21("2","5","1","1","4","6","4","1") = "5"
    & skf21("2","5","1","1","4","6","5","1") = "5"
    & skf21("2","5","1","1","4","6","6","1") = "5"
    & skf21("2","5","1","1","4","6","7","1") = "6"
    & skf21("2","5","1","1","4","7","1","1") = "6"
    & skf21("2","5","1","1","4","7","2","1") = "6"
    & skf21("2","5","1","1","4","7","3","1") = "6"
    & skf21("2","5","1","1","4","7","4","1") = "6"
    & skf21("2","5","1","1","4","7","5","1") = "6"
    & skf21("2","5","1","1","4","7","6","1") = "6"
    & skf21("2","5","1","1","4","7","7","1") = "6"
    & skf21("2","5","1","1","5","1","1","1") = "4"
    & skf21("2","5","1","1","5","1","2","1") = "4"
    & skf21("2","5","1","1","5","1","3","1") = "4"
    & skf21("2","5","1","1","5","1","4","1") = "4"
    & skf21("2","5","1","1","5","1","5","1") = "4"
    & skf21("2","5","1","1","5","1","6","1") = "5"
    & skf21("2","5","1","1","5","1","7","1") = "6"
    & skf21("2","5","1","1","5","2","1","1") = "4"
    & skf21("2","5","1","1","5","2","2","1") = "4"
    & skf21("2","5","1","1","5","2","3","1") = "4"
    & skf21("2","5","1","1","5","2","4","1") = "4"
    & skf21("2","5","1","1","5","2","5","1") = "4"
    & skf21("2","5","1","1","5","2","6","1") = "5"
    & skf21("2","5","1","1","5","2","7","1") = "6"
    & skf21("2","5","1","1","5","3","1","1") = "4"
    & skf21("2","5","1","1","5","3","2","1") = "4"
    & skf21("2","5","1","1","5","3","3","1") = "4"
    & skf21("2","5","1","1","5","3","4","1") = "4"
    & skf21("2","5","1","1","5","3","5","1") = "4"
    & skf21("2","5","1","1","5","3","6","1") = "5"
    & skf21("2","5","1","1","5","3","7","1") = "6"
    & skf21("2","5","1","1","5","4","1","1") = "4"
    & skf21("2","5","1","1","5","4","2","1") = "4"
    & skf21("2","5","1","1","5","4","3","1") = "4"
    & skf21("2","5","1","1","5","4","4","1") = "4"
    & skf21("2","5","1","1","5","4","5","1") = "4"
    & skf21("2","5","1","1","5","4","6","1") = "5"
    & skf21("2","5","1","1","5","4","7","1") = "6"
    & skf21("2","5","1","1","5","5","1","1") = "4"
    & skf21("2","5","1","1","5","5","2","1") = "4"
    & skf21("2","5","1","1","5","5","3","1") = "4"
    & skf21("2","5","1","1","5","5","4","1") = "4"
    & skf21("2","5","1","1","5","5","5","1") = "4"
    & skf21("2","5","1","1","5","5","6","1") = "5"
    & skf21("2","5","1","1","5","5","7","1") = "6"
    & skf21("2","5","1","1","5","6","1","1") = "5"
    & skf21("2","5","1","1","5","6","2","1") = "5"
    & skf21("2","5","1","1","5","6","3","1") = "5"
    & skf21("2","5","1","1","5","6","4","1") = "5"
    & skf21("2","5","1","1","5","6","5","1") = "5"
    & skf21("2","5","1","1","5","6","6","1") = "5"
    & skf21("2","5","1","1","5","6","7","1") = "6"
    & skf21("2","5","1","1","5","7","1","1") = "6"
    & skf21("2","5","1","1","5","7","2","1") = "6"
    & skf21("2","5","1","1","5","7","3","1") = "6"
    & skf21("2","5","1","1","5","7","4","1") = "6"
    & skf21("2","5","1","1","5","7","5","1") = "6"
    & skf21("2","5","1","1","5","7","6","1") = "6"
    & skf21("2","5","1","1","5","7","7","1") = "6"
    & skf21("2","5","1","1","6","1","1","1") = "5"
    & skf21("2","5","1","1","6","1","2","1") = "5"
    & skf21("2","5","1","1","6","1","3","1") = "5"
    & skf21("2","5","1","1","6","1","4","1") = "5"
    & skf21("2","5","1","1","6","1","5","1") = "5"
    & skf21("2","5","1","1","6","1","6","1") = "5"
    & skf21("2","5","1","1","6","1","7","1") = "6"
    & skf21("2","5","1","1","6","2","1","1") = "5"
    & skf21("2","5","1","1","6","2","2","1") = "5"
    & skf21("2","5","1","1","6","2","3","1") = "5"
    & skf21("2","5","1","1","6","2","4","1") = "5"
    & skf21("2","5","1","1","6","2","5","1") = "5"
    & skf21("2","5","1","1","6","2","6","1") = "5"
    & skf21("2","5","1","1","6","2","7","1") = "6"
    & skf21("2","5","1","1","6","3","1","1") = "5"
    & skf21("2","5","1","1","6","3","2","1") = "5"
    & skf21("2","5","1","1","6","3","3","1") = "5"
    & skf21("2","5","1","1","6","3","4","1") = "5"
    & skf21("2","5","1","1","6","3","5","1") = "5"
    & skf21("2","5","1","1","6","3","6","1") = "5"
    & skf21("2","5","1","1","6","3","7","1") = "6"
    & skf21("2","5","1","1","6","4","1","1") = "5"
    & skf21("2","5","1","1","6","4","2","1") = "5"
    & skf21("2","5","1","1","6","4","3","1") = "5"
    & skf21("2","5","1","1","6","4","4","1") = "5"
    & skf21("2","5","1","1","6","4","5","1") = "5"
    & skf21("2","5","1","1","6","4","6","1") = "5"
    & skf21("2","5","1","1","6","4","7","1") = "6"
    & skf21("2","5","1","1","6","5","1","1") = "5"
    & skf21("2","5","1","1","6","5","2","1") = "5"
    & skf21("2","5","1","1","6","5","3","1") = "5"
    & skf21("2","5","1","1","6","5","4","1") = "5"
    & skf21("2","5","1","1","6","5","5","1") = "5"
    & skf21("2","5","1","1","6","5","6","1") = "5"
    & skf21("2","5","1","1","6","5","7","1") = "6"
    & skf21("2","5","1","1","6","6","1","1") = "5"
    & skf21("2","5","1","1","6","6","2","1") = "5"
    & skf21("2","5","1","1","6","6","3","1") = "5"
    & skf21("2","5","1","1","6","6","4","1") = "5"
    & skf21("2","5","1","1","6","6","5","1") = "5"
    & skf21("2","5","1","1","6","6","6","1") = "5"
    & skf21("2","5","1","1","6","6","7","1") = "6"
    & skf21("2","5","1","1","6","7","1","1") = "6"
    & skf21("2","5","1","1","6","7","2","1") = "6"
    & skf21("2","5","1","1","6","7","3","1") = "6"
    & skf21("2","5","1","1","6","7","4","1") = "6"
    & skf21("2","5","1","1","6","7","5","1") = "6"
    & skf21("2","5","1","1","6","7","6","1") = "6"
    & skf21("2","5","1","1","6","7","7","1") = "6"
    & skf21("2","5","1","1","7","1","1","1") = "6"
    & skf21("2","5","1","1","7","1","2","1") = "6"
    & skf21("2","5","1","1","7","1","3","1") = "6"
    & skf21("2","5","1","1","7","1","4","1") = "6"
    & skf21("2","5","1","1","7","1","5","1") = "6"
    & skf21("2","5","1","1","7","1","6","1") = "6"
    & skf21("2","5","1","1","7","1","7","1") = "6"
    & skf21("2","5","1","1","7","2","1","1") = "6"
    & skf21("2","5","1","1","7","2","2","1") = "6"
    & skf21("2","5","1","1","7","2","3","1") = "6"
    & skf21("2","5","1","1","7","2","4","1") = "6"
    & skf21("2","5","1","1","7","2","5","1") = "6"
    & skf21("2","5","1","1","7","2","6","1") = "6"
    & skf21("2","5","1","1","7","2","7","1") = "6"
    & skf21("2","5","1","1","7","3","1","1") = "6"
    & skf21("2","5","1","1","7","3","2","1") = "6"
    & skf21("2","5","1","1","7","3","3","1") = "6"
    & skf21("2","5","1","1","7","3","4","1") = "6"
    & skf21("2","5","1","1","7","3","5","1") = "6"
    & skf21("2","5","1","1","7","3","6","1") = "6"
    & skf21("2","5","1","1","7","3","7","1") = "6"
    & skf21("2","5","1","1","7","4","1","1") = "6"
    & skf21("2","5","1","1","7","4","2","1") = "6"
    & skf21("2","5","1","1","7","4","3","1") = "6"
    & skf21("2","5","1","1","7","4","4","1") = "6"
    & skf21("2","5","1","1","7","4","5","1") = "6"
    & skf21("2","5","1","1","7","4","6","1") = "6"
    & skf21("2","5","1","1","7","4","7","1") = "6"
    & skf21("2","5","1","1","7","5","1","1") = "6"
    & skf21("2","5","1","1","7","5","2","1") = "6"
    & skf21("2","5","1","1","7","5","3","1") = "6"
    & skf21("2","5","1","1","7","5","4","1") = "6"
    & skf21("2","5","1","1","7","5","5","1") = "6"
    & skf21("2","5","1","1","7","5","6","1") = "6"
    & skf21("2","5","1","1","7","5","7","1") = "6"
    & skf21("2","5","1","1","7","6","1","1") = "6"
    & skf21("2","5","1","1","7","6","2","1") = "6"
    & skf21("2","5","1","1","7","6","3","1") = "6"
    & skf21("2","5","1","1","7","6","4","1") = "6"
    & skf21("2","5","1","1","7","6","5","1") = "6"
    & skf21("2","5","1","1","7","6","6","1") = "6"
    & skf21("2","5","1","1","7","6","7","1") = "6"
    & skf21("2","5","1","1","7","7","1","1") = "6"
    & skf21("2","5","1","1","7","7","2","1") = "6"
    & skf21("2","5","1","1","7","7","3","1") = "6"
    & skf21("2","5","1","1","7","7","4","1") = "6"
    & skf21("2","5","1","1","7","7","5","1") = "6"
    & skf21("2","5","1","1","7","7","6","1") = "6"
    & skf21("2","5","1","1","7","7","7","1") = "6"
    & skf21("2","5","1","2","1","1","1","1") = "4"
    & skf21("2","5","1","2","1","1","2","1") = "4"
    & skf21("2","5","1","2","1","1","3","1") = "4"
    & skf21("2","5","1","2","1","1","4","1") = "4"
    & skf21("2","5","1","2","1","1","5","1") = "4"
    & skf21("2","5","1","2","1","1","6","1") = "5"
    & skf21("2","5","1","2","1","1","7","1") = "6"
    & skf21("2","5","1","2","1","2","1","1") = "4"
    & skf21("2","5","1","2","1","2","2","1") = "4"
    & skf21("2","5","1","2","1","2","3","1") = "4"
    & skf21("2","5","1","2","1","2","4","1") = "4"
    & skf21("2","5","1","2","1","2","5","1") = "4"
    & skf21("2","5","1","2","1","2","6","1") = "5"
    & skf21("2","5","1","2","1","2","7","1") = "6"
    & skf21("2","5","1","2","1","3","1","1") = "4"
    & skf21("2","5","1","2","1","3","2","1") = "4"
    & skf21("2","5","1","2","1","3","3","1") = "4"
    & skf21("2","5","1","2","1","3","4","1") = "4"
    & skf21("2","5","1","2","1","3","5","1") = "4"
    & skf21("2","5","1","2","1","3","6","1") = "5"
    & skf21("2","5","1","2","1","3","7","1") = "6"
    & skf21("2","5","1","2","1","4","1","1") = "4"
    & skf21("2","5","1","2","1","4","2","1") = "4"
    & skf21("2","5","1","2","1","4","3","1") = "4"
    & skf21("2","5","1","2","1","4","4","1") = "4"
    & skf21("2","5","1","2","1","4","5","1") = "4"
    & skf21("2","5","1","2","1","4","6","1") = "5"
    & skf21("2","5","1","2","1","4","7","1") = "6"
    & skf21("2","5","1","2","1","5","1","1") = "4"
    & skf21("2","5","1","2","1","5","2","1") = "4"
    & skf21("2","5","1","2","1","5","3","1") = "4"
    & skf21("2","5","1","2","1","5","4","1") = "4"
    & skf21("2","5","1","2","1","5","5","1") = "4"
    & skf21("2","5","1","2","1","5","6","1") = "5"
    & skf21("2","5","1","2","1","5","7","1") = "6"
    & skf21("2","5","1","2","1","6","1","1") = "5"
    & skf21("2","5","1","2","1","6","2","1") = "5"
    & skf21("2","5","1","2","1","6","3","1") = "5"
    & skf21("2","5","1","2","1","6","4","1") = "5"
    & skf21("2","5","1","2","1","6","5","1") = "5"
    & skf21("2","5","1","2","1","6","6","1") = "5"
    & skf21("2","5","1","2","1","6","7","1") = "6"
    & skf21("2","5","1","2","1","7","1","1") = "6"
    & skf21("2","5","1","2","1","7","2","1") = "6"
    & skf21("2","5","1","2","1","7","3","1") = "6"
    & skf21("2","5","1","2","1","7","4","1") = "6"
    & skf21("2","5","1","2","1","7","5","1") = "6"
    & skf21("2","5","1","2","1","7","6","1") = "6"
    & skf21("2","5","1","2","1","7","7","1") = "6"
    & skf21("2","5","1","2","2","1","1","1") = "4"
    & skf21("2","5","1","2","2","1","2","1") = "4"
    & skf21("2","5","1","2","2","1","3","1") = "4"
    & skf21("2","5","1","2","2","1","4","1") = "4"
    & skf21("2","5","1","2","2","1","5","1") = "4"
    & skf21("2","5","1","2","2","1","6","1") = "5"
    & skf21("2","5","1","2","2","1","7","1") = "6"
    & skf21("2","5","1","2","2","2","1","1") = "4"
    & skf21("2","5","1","2","2","2","2","1") = "4"
    & skf21("2","5","1","2","2","2","3","1") = "4"
    & skf21("2","5","1","2","2","2","4","1") = "4"
    & skf21("2","5","1","2","2","2","5","1") = "4"
    & skf21("2","5","1","2","2","2","6","1") = "5"
    & skf21("2","5","1","2","2","2","7","1") = "6"
    & skf21("2","5","1","2","2","3","1","1") = "4"
    & skf21("2","5","1","2","2","3","2","1") = "4"
    & skf21("2","5","1","2","2","3","3","1") = "4"
    & skf21("2","5","1","2","2","3","4","1") = "4"
    & skf21("2","5","1","2","2","3","5","1") = "4"
    & skf21("2","5","1","2","2","3","6","1") = "5"
    & skf21("2","5","1","2","2","3","7","1") = "6"
    & skf21("2","5","1","2","2","4","1","1") = "4"
    & skf21("2","5","1","2","2","4","2","1") = "4"
    & skf21("2","5","1","2","2","4","3","1") = "4"
    & skf21("2","5","1","2","2","4","4","1") = "4"
    & skf21("2","5","1","2","2","4","5","1") = "4"
    & skf21("2","5","1","2","2","4","6","1") = "5"
    & skf21("2","5","1","2","2","4","7","1") = "6"
    & skf21("2","5","1","2","2","5","1","1") = "4"
    & skf21("2","5","1","2","2","5","2","1") = "4"
    & skf21("2","5","1","2","2","5","3","1") = "4"
    & skf21("2","5","1","2","2","5","4","1") = "4"
    & skf21("2","5","1","2","2","5","5","1") = "4"
    & skf21("2","5","1","2","2","5","6","1") = "5"
    & skf21("2","5","1","2","2","5","7","1") = "6"
    & skf21("2","5","1","2","2","6","1","1") = "5"
    & skf21("2","5","1","2","2","6","2","1") = "5"
    & skf21("2","5","1","2","2","6","3","1") = "5"
    & skf21("2","5","1","2","2","6","4","1") = "5"
    & skf21("2","5","1","2","2","6","5","1") = "5"
    & skf21("2","5","1","2","2","6","6","1") = "5"
    & skf21("2","5","1","2","2","6","7","1") = "6"
    & skf21("2","5","1","2","2","7","1","1") = "6"
    & skf21("2","5","1","2","2","7","2","1") = "6"
    & skf21("2","5","1","2","2","7","3","1") = "6"
    & skf21("2","5","1","2","2","7","4","1") = "6"
    & skf21("2","5","1","2","2","7","5","1") = "6"
    & skf21("2","5","1","2","2","7","6","1") = "6"
    & skf21("2","5","1","2","2","7","7","1") = "6"
    & skf21("2","5","1","2","3","1","1","1") = "4"
    & skf21("2","5","1","2","3","1","2","1") = "4"
    & skf21("2","5","1","2","3","1","3","1") = "4"
    & skf21("2","5","1","2","3","1","4","1") = "4"
    & skf21("2","5","1","2","3","1","5","1") = "4"
    & skf21("2","5","1","2","3","1","6","1") = "5"
    & skf21("2","5","1","2","3","1","7","1") = "6"
    & skf21("2","5","1","2","3","2","1","1") = "4"
    & skf21("2","5","1","2","3","2","2","1") = "4"
    & skf21("2","5","1","2","3","2","3","1") = "4"
    & skf21("2","5","1","2","3","2","4","1") = "4"
    & skf21("2","5","1","2","3","2","5","1") = "4"
    & skf21("2","5","1","2","3","2","6","1") = "5"
    & skf21("2","5","1","2","3","2","7","1") = "6"
    & skf21("2","5","1","2","3","3","1","1") = "4"
    & skf21("2","5","1","2","3","3","2","1") = "4"
    & skf21("2","5","1","2","3","3","3","1") = "4"
    & skf21("2","5","1","2","3","3","4","1") = "4"
    & skf21("2","5","1","2","3","3","5","1") = "4"
    & skf21("2","5","1","2","3","3","6","1") = "5"
    & skf21("2","5","1","2","3","3","7","1") = "6"
    & skf21("2","5","1","2","3","4","1","1") = "4"
    & skf21("2","5","1","2","3","4","2","1") = "4"
    & skf21("2","5","1","2","3","4","3","1") = "4"
    & skf21("2","5","1","2","3","4","4","1") = "4"
    & skf21("2","5","1","2","3","4","5","1") = "4"
    & skf21("2","5","1","2","3","4","6","1") = "5"
    & skf21("2","5","1","2","3","4","7","1") = "6"
    & skf21("2","5","1","2","3","5","1","1") = "4"
    & skf21("2","5","1","2","3","5","2","1") = "4"
    & skf21("2","5","1","2","3","5","3","1") = "4"
    & skf21("2","5","1","2","3","5","4","1") = "4"
    & skf21("2","5","1","2","3","5","5","1") = "4"
    & skf21("2","5","1","2","3","5","6","1") = "5"
    & skf21("2","5","1","2","3","5","7","1") = "6"
    & skf21("2","5","1","2","3","6","1","1") = "5"
    & skf21("2","5","1","2","3","6","2","1") = "5"
    & skf21("2","5","1","2","3","6","3","1") = "5"
    & skf21("2","5","1","2","3","6","4","1") = "5"
    & skf21("2","5","1","2","3","6","5","1") = "5"
    & skf21("2","5","1","2","3","6","6","1") = "5"
    & skf21("2","5","1","2","3","6","7","1") = "6"
    & skf21("2","5","1","2","3","7","1","1") = "6"
    & skf21("2","5","1","2","3","7","2","1") = "6"
    & skf21("2","5","1","2","3","7","3","1") = "6"
    & skf21("2","5","1","2","3","7","4","1") = "6"
    & skf21("2","5","1","2","3","7","5","1") = "6"
    & skf21("2","5","1","2","3","7","6","1") = "6"
    & skf21("2","5","1","2","3","7","7","1") = "6"
    & skf21("2","5","1","2","4","1","1","1") = "4"
    & skf21("2","5","1","2","4","1","2","1") = "4"
    & skf21("2","5","1","2","4","1","3","1") = "4"
    & skf21("2","5","1","2","4","1","4","1") = "4"
    & skf21("2","5","1","2","4","1","5","1") = "4"
    & skf21("2","5","1","2","4","1","6","1") = "5"
    & skf21("2","5","1","2","4","1","7","1") = "6"
    & skf21("2","5","1","2","4","2","1","1") = "4"
    & skf21("2","5","1","2","4","2","2","1") = "4"
    & skf21("2","5","1","2","4","2","3","1") = "4"
    & skf21("2","5","1","2","4","2","4","1") = "4"
    & skf21("2","5","1","2","4","2","5","1") = "4"
    & skf21("2","5","1","2","4","2","6","1") = "5"
    & skf21("2","5","1","2","4","2","7","1") = "6"
    & skf21("2","5","1","2","4","3","1","1") = "4"
    & skf21("2","5","1","2","4","3","2","1") = "4"
    & skf21("2","5","1","2","4","3","3","1") = "4"
    & skf21("2","5","1","2","4","3","4","1") = "4"
    & skf21("2","5","1","2","4","3","5","1") = "4"
    & skf21("2","5","1","2","4","3","6","1") = "5"
    & skf21("2","5","1","2","4","3","7","1") = "6"
    & skf21("2","5","1","2","4","4","1","1") = "4"
    & skf21("2","5","1","2","4","4","2","1") = "4"
    & skf21("2","5","1","2","4","4","3","1") = "4"
    & skf21("2","5","1","2","4","4","4","1") = "4"
    & skf21("2","5","1","2","4","4","5","1") = "4"
    & skf21("2","5","1","2","4","4","6","1") = "5"
    & skf21("2","5","1","2","4","4","7","1") = "6"
    & skf21("2","5","1","2","4","5","1","1") = "4"
    & skf21("2","5","1","2","4","5","2","1") = "4"
    & skf21("2","5","1","2","4","5","3","1") = "4"
    & skf21("2","5","1","2","4","5","4","1") = "4"
    & skf21("2","5","1","2","4","5","5","1") = "4"
    & skf21("2","5","1","2","4","5","6","1") = "5"
    & skf21("2","5","1","2","4","5","7","1") = "6"
    & skf21("2","5","1","2","4","6","1","1") = "5"
    & skf21("2","5","1","2","4","6","2","1") = "5"
    & skf21("2","5","1","2","4","6","3","1") = "5"
    & skf21("2","5","1","2","4","6","4","1") = "5"
    & skf21("2","5","1","2","4","6","5","1") = "5"
    & skf21("2","5","1","2","4","6","6","1") = "5"
    & skf21("2","5","1","2","4","6","7","1") = "6"
    & skf21("2","5","1","2","4","7","1","1") = "6"
    & skf21("2","5","1","2","4","7","2","1") = "6"
    & skf21("2","5","1","2","4","7","3","1") = "6"
    & skf21("2","5","1","2","4","7","4","1") = "6"
    & skf21("2","5","1","2","4","7","5","1") = "6"
    & skf21("2","5","1","2","4","7","6","1") = "6"
    & skf21("2","5","1","2","4","7","7","1") = "6"
    & skf21("2","5","1","2","5","1","1","1") = "4"
    & skf21("2","5","1","2","5","1","2","1") = "4"
    & skf21("2","5","1","2","5","1","3","1") = "4"
    & skf21("2","5","1","2","5","1","4","1") = "4"
    & skf21("2","5","1","2","5","1","5","1") = "4"
    & skf21("2","5","1","2","5","1","6","1") = "5"
    & skf21("2","5","1","2","5","1","7","1") = "6"
    & skf21("2","5","1","2","5","2","1","1") = "4"
    & skf21("2","5","1","2","5","2","2","1") = "4"
    & skf21("2","5","1","2","5","2","3","1") = "4"
    & skf21("2","5","1","2","5","2","4","1") = "4"
    & skf21("2","5","1","2","5","2","5","1") = "4"
    & skf21("2","5","1","2","5","2","6","1") = "5"
    & skf21("2","5","1","2","5","2","7","1") = "6"
    & skf21("2","5","1","2","5","3","1","1") = "4"
    & skf21("2","5","1","2","5","3","2","1") = "4"
    & skf21("2","5","1","2","5","3","3","1") = "4"
    & skf21("2","5","1","2","5","3","4","1") = "4"
    & skf21("2","5","1","2","5","3","5","1") = "4"
    & skf21("2","5","1","2","5","3","6","1") = "5"
    & skf21("2","5","1","2","5","3","7","1") = "6"
    & skf21("2","5","1","2","5","4","1","1") = "4"
    & skf21("2","5","1","2","5","4","2","1") = "4"
    & skf21("2","5","1","2","5","4","3","1") = "4"
    & skf21("2","5","1","2","5","4","4","1") = "4"
    & skf21("2","5","1","2","5","4","5","1") = "4"
    & skf21("2","5","1","2","5","4","6","1") = "5"
    & skf21("2","5","1","2","5","4","7","1") = "6"
    & skf21("2","5","1","2","5","5","1","1") = "4"
    & skf21("2","5","1","2","5","5","2","1") = "4"
    & skf21("2","5","1","2","5","5","3","1") = "4"
    & skf21("2","5","1","2","5","5","4","1") = "4"
    & skf21("2","5","1","2","5","5","5","1") = "4"
    & skf21("2","5","1","2","5","5","6","1") = "5"
    & skf21("2","5","1","2","5","5","7","1") = "6"
    & skf21("2","5","1","2","5","6","1","1") = "5"
    & skf21("2","5","1","2","5","6","2","1") = "5"
    & skf21("2","5","1","2","5","6","3","1") = "5"
    & skf21("2","5","1","2","5","6","4","1") = "5"
    & skf21("2","5","1","2","5","6","5","1") = "5"
    & skf21("2","5","1","2","5","6","6","1") = "5"
    & skf21("2","5","1","2","5","6","7","1") = "6"
    & skf21("2","5","1","2","5","7","1","1") = "6"
    & skf21("2","5","1","2","5","7","2","1") = "6"
    & skf21("2","5","1","2","5","7","3","1") = "6"
    & skf21("2","5","1","2","5","7","4","1") = "6"
    & skf21("2","5","1","2","5","7","5","1") = "6"
    & skf21("2","5","1","2","5","7","6","1") = "6"
    & skf21("2","5","1","2","5","7","7","1") = "6"
    & skf21("2","5","1","2","6","1","1","1") = "5"
    & skf21("2","5","1","2","6","1","2","1") = "5"
    & skf21("2","5","1","2","6","1","3","1") = "5"
    & skf21("2","5","1","2","6","1","4","1") = "5"
    & skf21("2","5","1","2","6","1","5","1") = "5"
    & skf21("2","5","1","2","6","1","6","1") = "5"
    & skf21("2","5","1","2","6","1","7","1") = "6"
    & skf21("2","5","1","2","6","2","1","1") = "5"
    & skf21("2","5","1","2","6","2","2","1") = "5"
    & skf21("2","5","1","2","6","2","3","1") = "5"
    & skf21("2","5","1","2","6","2","4","1") = "5"
    & skf21("2","5","1","2","6","2","5","1") = "5"
    & skf21("2","5","1","2","6","2","6","1") = "5"
    & skf21("2","5","1","2","6","2","7","1") = "6"
    & skf21("2","5","1","2","6","3","1","1") = "5"
    & skf21("2","5","1","2","6","3","2","1") = "5"
    & skf21("2","5","1","2","6","3","3","1") = "5"
    & skf21("2","5","1","2","6","3","4","1") = "5"
    & skf21("2","5","1","2","6","3","5","1") = "5"
    & skf21("2","5","1","2","6","3","6","1") = "5"
    & skf21("2","5","1","2","6","3","7","1") = "6"
    & skf21("2","5","1","2","6","4","1","1") = "5"
    & skf21("2","5","1","2","6","4","2","1") = "5"
    & skf21("2","5","1","2","6","4","3","1") = "5"
    & skf21("2","5","1","2","6","4","4","1") = "5"
    & skf21("2","5","1","2","6","4","5","1") = "5"
    & skf21("2","5","1","2","6","4","6","1") = "5"
    & skf21("2","5","1","2","6","4","7","1") = "6"
    & skf21("2","5","1","2","6","5","1","1") = "5"
    & skf21("2","5","1","2","6","5","2","1") = "5"
    & skf21("2","5","1","2","6","5","3","1") = "5"
    & skf21("2","5","1","2","6","5","4","1") = "5"
    & skf21("2","5","1","2","6","5","5","1") = "5"
    & skf21("2","5","1","2","6","5","6","1") = "5"
    & skf21("2","5","1","2","6","5","7","1") = "6"
    & skf21("2","5","1","2","6","6","1","1") = "5"
    & skf21("2","5","1","2","6","6","2","1") = "5"
    & skf21("2","5","1","2","6","6","3","1") = "5"
    & skf21("2","5","1","2","6","6","4","1") = "5"
    & skf21("2","5","1","2","6","6","5","1") = "5"
    & skf21("2","5","1","2","6","6","6","1") = "5"
    & skf21("2","5","1","2","6","6","7","1") = "6"
    & skf21("2","5","1","2","6","7","1","1") = "6"
    & skf21("2","5","1","2","6","7","2","1") = "6"
    & skf21("2","5","1","2","6","7","3","1") = "6"
    & skf21("2","5","1","2","6","7","4","1") = "6"
    & skf21("2","5","1","2","6","7","5","1") = "6"
    & skf21("2","5","1","2","6","7","6","1") = "6"
    & skf21("2","5","1","2","6","7","7","1") = "6"
    & skf21("2","5","1","2","7","1","1","1") = "6"
    & skf21("2","5","1","2","7","1","2","1") = "6"
    & skf21("2","5","1","2","7","1","3","1") = "6"
    & skf21("2","5","1","2","7","1","4","1") = "6"
    & skf21("2","5","1","2","7","1","5","1") = "6"
    & skf21("2","5","1","2","7","1","6","1") = "6"
    & skf21("2","5","1","2","7","1","7","1") = "6"
    & skf21("2","5","1","2","7","2","1","1") = "6"
    & skf21("2","5","1","2","7","2","2","1") = "6"
    & skf21("2","5","1","2","7","2","3","1") = "6"
    & skf21("2","5","1","2","7","2","4","1") = "6"
    & skf21("2","5","1","2","7","2","5","1") = "6"
    & skf21("2","5","1","2","7","2","6","1") = "6"
    & skf21("2","5","1","2","7","2","7","1") = "6"
    & skf21("2","5","1","2","7","3","1","1") = "6"
    & skf21("2","5","1","2","7","3","2","1") = "6"
    & skf21("2","5","1","2","7","3","3","1") = "6"
    & skf21("2","5","1","2","7","3","4","1") = "6"
    & skf21("2","5","1","2","7","3","5","1") = "6"
    & skf21("2","5","1","2","7","3","6","1") = "6"
    & skf21("2","5","1","2","7","3","7","1") = "6"
    & skf21("2","5","1","2","7","4","1","1") = "6"
    & skf21("2","5","1","2","7","4","2","1") = "6"
    & skf21("2","5","1","2","7","4","3","1") = "6"
    & skf21("2","5","1","2","7","4","4","1") = "6"
    & skf21("2","5","1","2","7","4","5","1") = "6"
    & skf21("2","5","1","2","7","4","6","1") = "6"
    & skf21("2","5","1","2","7","4","7","1") = "6"
    & skf21("2","5","1","2","7","5","1","1") = "6"
    & skf21("2","5","1","2","7","5","2","1") = "6"
    & skf21("2","5","1","2","7","5","3","1") = "6"
    & skf21("2","5","1","2","7","5","4","1") = "6"
    & skf21("2","5","1","2","7","5","5","1") = "6"
    & skf21("2","5","1","2","7","5","6","1") = "6"
    & skf21("2","5","1","2","7","5","7","1") = "6"
    & skf21("2","5","1","2","7","6","1","1") = "6"
    & skf21("2","5","1","2","7","6","2","1") = "6"
    & skf21("2","5","1","2","7","6","3","1") = "6"
    & skf21("2","5","1","2","7","6","4","1") = "6"
    & skf21("2","5","1","2","7","6","5","1") = "6"
    & skf21("2","5","1","2","7","6","6","1") = "6"
    & skf21("2","5","1","2","7","6","7","1") = "6"
    & skf21("2","5","1","2","7","7","1","1") = "6"
    & skf21("2","5","1","2","7","7","2","1") = "6"
    & skf21("2","5","1","2","7","7","3","1") = "6"
    & skf21("2","5","1","2","7","7","4","1") = "6"
    & skf21("2","5","1","2","7","7","5","1") = "6"
    & skf21("2","5","1","2","7","7","6","1") = "6"
    & skf21("2","5","1","2","7","7","7","1") = "6"
    & skf21("2","5","1","3","1","1","1","1") = "4"
    & skf21("2","5","1","3","1","1","2","1") = "4"
    & skf21("2","5","1","3","1","1","3","1") = "4"
    & skf21("2","5","1","3","1","1","4","1") = "4"
    & skf21("2","5","1","3","1","1","5","1") = "4"
    & skf21("2","5","1","3","1","1","6","1") = "5"
    & skf21("2","5","1","3","1","1","7","1") = "6"
    & skf21("2","5","1","3","1","2","1","1") = "4"
    & skf21("2","5","1","3","1","2","2","1") = "4"
    & skf21("2","5","1","3","1","2","3","1") = "4"
    & skf21("2","5","1","3","1","2","4","1") = "4"
    & skf21("2","5","1","3","1","2","5","1") = "4"
    & skf21("2","5","1","3","1","2","6","1") = "5"
    & skf21("2","5","1","3","1","2","7","1") = "6"
    & skf21("2","5","1","3","1","3","1","1") = "4"
    & skf21("2","5","1","3","1","3","2","1") = "4"
    & skf21("2","5","1","3","1","3","3","1") = "4"
    & skf21("2","5","1","3","1","3","4","1") = "4"
    & skf21("2","5","1","3","1","3","5","1") = "4"
    & skf21("2","5","1","3","1","3","6","1") = "5"
    & skf21("2","5","1","3","1","3","7","1") = "6"
    & skf21("2","5","1","3","1","4","1","1") = "4"
    & skf21("2","5","1","3","1","4","2","1") = "4"
    & skf21("2","5","1","3","1","4","3","1") = "4"
    & skf21("2","5","1","3","1","4","4","1") = "4"
    & skf21("2","5","1","3","1","4","5","1") = "4"
    & skf21("2","5","1","3","1","4","6","1") = "5"
    & skf21("2","5","1","3","1","4","7","1") = "6"
    & skf21("2","5","1","3","1","5","1","1") = "4"
    & skf21("2","5","1","3","1","5","2","1") = "4"
    & skf21("2","5","1","3","1","5","3","1") = "4"
    & skf21("2","5","1","3","1","5","4","1") = "4"
    & skf21("2","5","1","3","1","5","5","1") = "4"
    & skf21("2","5","1","3","1","5","6","1") = "5"
    & skf21("2","5","1","3","1","5","7","1") = "6"
    & skf21("2","5","1","3","1","6","1","1") = "5"
    & skf21("2","5","1","3","1","6","2","1") = "5"
    & skf21("2","5","1","3","1","6","3","1") = "5"
    & skf21("2","5","1","3","1","6","4","1") = "5"
    & skf21("2","5","1","3","1","6","5","1") = "5"
    & skf21("2","5","1","3","1","6","6","1") = "5"
    & skf21("2","5","1","3","1","6","7","1") = "6"
    & skf21("2","5","1","3","1","7","1","1") = "6"
    & skf21("2","5","1","3","1","7","2","1") = "6"
    & skf21("2","5","1","3","1","7","3","1") = "6"
    & skf21("2","5","1","3","1","7","4","1") = "6"
    & skf21("2","5","1","3","1","7","5","1") = "6"
    & skf21("2","5","1","3","1","7","6","1") = "6"
    & skf21("2","5","1","3","1","7","7","1") = "6"
    & skf21("2","5","1","3","2","1","1","1") = "4"
    & skf21("2","5","1","3","2","1","2","1") = "4"
    & skf21("2","5","1","3","2","1","3","1") = "4"
    & skf21("2","5","1","3","2","1","4","1") = "4"
    & skf21("2","5","1","3","2","1","5","1") = "4"
    & skf21("2","5","1","3","2","1","6","1") = "5"
    & skf21("2","5","1","3","2","1","7","1") = "6"
    & skf21("2","5","1","3","2","2","1","1") = "4"
    & skf21("2","5","1","3","2","2","2","1") = "4"
    & skf21("2","5","1","3","2","2","3","1") = "4"
    & skf21("2","5","1","3","2","2","4","1") = "4"
    & skf21("2","5","1","3","2","2","5","1") = "4"
    & skf21("2","5","1","3","2","2","6","1") = "5"
    & skf21("2","5","1","3","2","2","7","1") = "6"
    & skf21("2","5","1","3","2","3","1","1") = "4"
    & skf21("2","5","1","3","2","3","2","1") = "4"
    & skf21("2","5","1","3","2","3","3","1") = "4"
    & skf21("2","5","1","3","2","3","4","1") = "4"
    & skf21("2","5","1","3","2","3","5","1") = "4"
    & skf21("2","5","1","3","2","3","6","1") = "5"
    & skf21("2","5","1","3","2","3","7","1") = "6"
    & skf21("2","5","1","3","2","4","1","1") = "4"
    & skf21("2","5","1","3","2","4","2","1") = "4"
    & skf21("2","5","1","3","2","4","3","1") = "4"
    & skf21("2","5","1","3","2","4","4","1") = "4"
    & skf21("2","5","1","3","2","4","5","1") = "4"
    & skf21("2","5","1","3","2","4","6","1") = "5"
    & skf21("2","5","1","3","2","4","7","1") = "6"
    & skf21("2","5","1","3","2","5","1","1") = "4"
    & skf21("2","5","1","3","2","5","2","1") = "4"
    & skf21("2","5","1","3","2","5","3","1") = "4"
    & skf21("2","5","1","3","2","5","4","1") = "4"
    & skf21("2","5","1","3","2","5","5","1") = "4"
    & skf21("2","5","1","3","2","5","6","1") = "5"
    & skf21("2","5","1","3","2","5","7","1") = "6"
    & skf21("2","5","1","3","2","6","1","1") = "5"
    & skf21("2","5","1","3","2","6","2","1") = "5"
    & skf21("2","5","1","3","2","6","3","1") = "5"
    & skf21("2","5","1","3","2","6","4","1") = "5"
    & skf21("2","5","1","3","2","6","5","1") = "5"
    & skf21("2","5","1","3","2","6","6","1") = "5"
    & skf21("2","5","1","3","2","6","7","1") = "6"
    & skf21("2","5","1","3","2","7","1","1") = "6"
    & skf21("2","5","1","3","2","7","2","1") = "6"
    & skf21("2","5","1","3","2","7","3","1") = "6"
    & skf21("2","5","1","3","2","7","4","1") = "6"
    & skf21("2","5","1","3","2","7","5","1") = "6"
    & skf21("2","5","1","3","2","7","6","1") = "6"
    & skf21("2","5","1","3","2","7","7","1") = "6"
    & skf21("2","5","1","3","3","1","1","1") = "4"
    & skf21("2","5","1","3","3","1","2","1") = "4"
    & skf21("2","5","1","3","3","1","3","1") = "4"
    & skf21("2","5","1","3","3","1","4","1") = "4"
    & skf21("2","5","1","3","3","1","5","1") = "4"
    & skf21("2","5","1","3","3","1","6","1") = "5"
    & skf21("2","5","1","3","3","1","7","1") = "6"
    & skf21("2","5","1","3","3","2","1","1") = "4"
    & skf21("2","5","1","3","3","2","2","1") = "4"
    & skf21("2","5","1","3","3","2","3","1") = "4"
    & skf21("2","5","1","3","3","2","4","1") = "4"
    & skf21("2","5","1","3","3","2","5","1") = "4"
    & skf21("2","5","1","3","3","2","6","1") = "5"
    & skf21("2","5","1","3","3","2","7","1") = "6"
    & skf21("2","5","1","3","3","3","1","1") = "4"
    & skf21("2","5","1","3","3","3","2","1") = "4"
    & skf21("2","5","1","3","3","3","3","1") = "4"
    & skf21("2","5","1","3","3","3","4","1") = "4"
    & skf21("2","5","1","3","3","3","5","1") = "4"
    & skf21("2","5","1","3","3","3","6","1") = "5"
    & skf21("2","5","1","3","3","3","7","1") = "6"
    & skf21("2","5","1","3","3","4","1","1") = "4"
    & skf21("2","5","1","3","3","4","2","1") = "4"
    & skf21("2","5","1","3","3","4","3","1") = "4"
    & skf21("2","5","1","3","3","4","4","1") = "4"
    & skf21("2","5","1","3","3","4","5","1") = "4"
    & skf21("2","5","1","3","3","4","6","1") = "5"
    & skf21("2","5","1","3","3","4","7","1") = "6"
    & skf21("2","5","1","3","3","5","1","1") = "4"
    & skf21("2","5","1","3","3","5","2","1") = "4"
    & skf21("2","5","1","3","3","5","3","1") = "4"
    & skf21("2","5","1","3","3","5","4","1") = "4"
    & skf21("2","5","1","3","3","5","5","1") = "4"
    & skf21("2","5","1","3","3","5","6","1") = "5"
    & skf21("2","5","1","3","3","5","7","1") = "6"
    & skf21("2","5","1","3","3","6","1","1") = "5"
    & skf21("2","5","1","3","3","6","2","1") = "5"
    & skf21("2","5","1","3","3","6","3","1") = "5"
    & skf21("2","5","1","3","3","6","4","1") = "5"
    & skf21("2","5","1","3","3","6","5","1") = "5"
    & skf21("2","5","1","3","3","6","6","1") = "5"
    & skf21("2","5","1","3","3","6","7","1") = "6"
    & skf21("2","5","1","3","3","7","1","1") = "6"
    & skf21("2","5","1","3","3","7","2","1") = "6"
    & skf21("2","5","1","3","3","7","3","1") = "6"
    & skf21("2","5","1","3","3","7","4","1") = "6"
    & skf21("2","5","1","3","3","7","5","1") = "6"
    & skf21("2","5","1","3","3","7","6","1") = "6"
    & skf21("2","5","1","3","3","7","7","1") = "6"
    & skf21("2","5","1","3","4","1","1","1") = "4"
    & skf21("2","5","1","3","4","1","2","1") = "4"
    & skf21("2","5","1","3","4","1","3","1") = "4"
    & skf21("2","5","1","3","4","1","4","1") = "4"
    & skf21("2","5","1","3","4","1","5","1") = "4"
    & skf21("2","5","1","3","4","1","6","1") = "5"
    & skf21("2","5","1","3","4","1","7","1") = "6"
    & skf21("2","5","1","3","4","2","1","1") = "4"
    & skf21("2","5","1","3","4","2","2","1") = "4"
    & skf21("2","5","1","3","4","2","3","1") = "4"
    & skf21("2","5","1","3","4","2","4","1") = "4"
    & skf21("2","5","1","3","4","2","5","1") = "4"
    & skf21("2","5","1","3","4","2","6","1") = "5"
    & skf21("2","5","1","3","4","2","7","1") = "6"
    & skf21("2","5","1","3","4","3","1","1") = "4"
    & skf21("2","5","1","3","4","3","2","1") = "4"
    & skf21("2","5","1","3","4","3","3","1") = "4"
    & skf21("2","5","1","3","4","3","4","1") = "4"
    & skf21("2","5","1","3","4","3","5","1") = "4"
    & skf21("2","5","1","3","4","3","6","1") = "5"
    & skf21("2","5","1","3","4","3","7","1") = "6"
    & skf21("2","5","1","3","4","4","1","1") = "4"
    & skf21("2","5","1","3","4","4","2","1") = "4"
    & skf21("2","5","1","3","4","4","3","1") = "4"
    & skf21("2","5","1","3","4","4","4","1") = "4"
    & skf21("2","5","1","3","4","4","5","1") = "4"
    & skf21("2","5","1","3","4","4","6","1") = "5"
    & skf21("2","5","1","3","4","4","7","1") = "6"
    & skf21("2","5","1","3","4","5","1","1") = "4"
    & skf21("2","5","1","3","4","5","2","1") = "4"
    & skf21("2","5","1","3","4","5","3","1") = "4"
    & skf21("2","5","1","3","4","5","4","1") = "4"
    & skf21("2","5","1","3","4","5","5","1") = "4"
    & skf21("2","5","1","3","4","5","6","1") = "5"
    & skf21("2","5","1","3","4","5","7","1") = "6"
    & skf21("2","5","1","3","4","6","1","1") = "5"
    & skf21("2","5","1","3","4","6","2","1") = "5"
    & skf21("2","5","1","3","4","6","3","1") = "5"
    & skf21("2","5","1","3","4","6","4","1") = "5"
    & skf21("2","5","1","3","4","6","5","1") = "5"
    & skf21("2","5","1","3","4","6","6","1") = "5"
    & skf21("2","5","1","3","4","6","7","1") = "6"
    & skf21("2","5","1","3","4","7","1","1") = "6"
    & skf21("2","5","1","3","4","7","2","1") = "6"
    & skf21("2","5","1","3","4","7","3","1") = "6"
    & skf21("2","5","1","3","4","7","4","1") = "6"
    & skf21("2","5","1","3","4","7","5","1") = "6"
    & skf21("2","5","1","3","4","7","6","1") = "6"
    & skf21("2","5","1","3","4","7","7","1") = "6"
    & skf21("2","5","1","3","5","1","1","1") = "4"
    & skf21("2","5","1","3","5","1","2","1") = "4"
    & skf21("2","5","1","3","5","1","3","1") = "4"
    & skf21("2","5","1","3","5","1","4","1") = "4"
    & skf21("2","5","1","3","5","1","5","1") = "4"
    & skf21("2","5","1","3","5","1","6","1") = "5"
    & skf21("2","5","1","3","5","1","7","1") = "6"
    & skf21("2","5","1","3","5","2","1","1") = "4"
    & skf21("2","5","1","3","5","2","2","1") = "4"
    & skf21("2","5","1","3","5","2","3","1") = "4"
    & skf21("2","5","1","3","5","2","4","1") = "4"
    & skf21("2","5","1","3","5","2","5","1") = "4"
    & skf21("2","5","1","3","5","2","6","1") = "5"
    & skf21("2","5","1","3","5","2","7","1") = "6"
    & skf21("2","5","1","3","5","3","1","1") = "4"
    & skf21("2","5","1","3","5","3","2","1") = "4"
    & skf21("2","5","1","3","5","3","3","1") = "4"
    & skf21("2","5","1","3","5","3","4","1") = "4"
    & skf21("2","5","1","3","5","3","5","1") = "4"
    & skf21("2","5","1","3","5","3","6","1") = "5"
    & skf21("2","5","1","3","5","3","7","1") = "6"
    & skf21("2","5","1","3","5","4","1","1") = "4"
    & skf21("2","5","1","3","5","4","2","1") = "4"
    & skf21("2","5","1","3","5","4","3","1") = "4"
    & skf21("2","5","1","3","5","4","4","1") = "4"
    & skf21("2","5","1","3","5","4","5","1") = "4"
    & skf21("2","5","1","3","5","4","6","1") = "5"
    & skf21("2","5","1","3","5","4","7","1") = "6"
    & skf21("2","5","1","3","5","5","1","1") = "4"
    & skf21("2","5","1","3","5","5","2","1") = "4"
    & skf21("2","5","1","3","5","5","3","1") = "4"
    & skf21("2","5","1","3","5","5","4","1") = "4"
    & skf21("2","5","1","3","5","5","5","1") = "4"
    & skf21("2","5","1","3","5","5","6","1") = "5"
    & skf21("2","5","1","3","5","5","7","1") = "6"
    & skf21("2","5","1","3","5","6","1","1") = "5"
    & skf21("2","5","1","3","5","6","2","1") = "5"
    & skf21("2","5","1","3","5","6","3","1") = "5"
    & skf21("2","5","1","3","5","6","4","1") = "5"
    & skf21("2","5","1","3","5","6","5","1") = "5"
    & skf21("2","5","1","3","5","6","6","1") = "5"
    & skf21("2","5","1","3","5","6","7","1") = "6"
    & skf21("2","5","1","3","5","7","1","1") = "6"
    & skf21("2","5","1","3","5","7","2","1") = "6"
    & skf21("2","5","1","3","5","7","3","1") = "6"
    & skf21("2","5","1","3","5","7","4","1") = "6"
    & skf21("2","5","1","3","5","7","5","1") = "6"
    & skf21("2","5","1","3","5","7","6","1") = "6"
    & skf21("2","5","1","3","5","7","7","1") = "6"
    & skf21("2","5","1","3","6","1","1","1") = "5"
    & skf21("2","5","1","3","6","1","2","1") = "5"
    & skf21("2","5","1","3","6","1","3","1") = "5"
    & skf21("2","5","1","3","6","1","4","1") = "5"
    & skf21("2","5","1","3","6","1","5","1") = "5"
    & skf21("2","5","1","3","6","1","6","1") = "5"
    & skf21("2","5","1","3","6","1","7","1") = "6"
    & skf21("2","5","1","3","6","2","1","1") = "5"
    & skf21("2","5","1","3","6","2","2","1") = "5"
    & skf21("2","5","1","3","6","2","3","1") = "5"
    & skf21("2","5","1","3","6","2","4","1") = "5"
    & skf21("2","5","1","3","6","2","5","1") = "5"
    & skf21("2","5","1","3","6","2","6","1") = "5"
    & skf21("2","5","1","3","6","2","7","1") = "6"
    & skf21("2","5","1","3","6","3","1","1") = "5"
    & skf21("2","5","1","3","6","3","2","1") = "5"
    & skf21("2","5","1","3","6","3","3","1") = "5"
    & skf21("2","5","1","3","6","3","4","1") = "5"
    & skf21("2","5","1","3","6","3","5","1") = "5"
    & skf21("2","5","1","3","6","3","6","1") = "5"
    & skf21("2","5","1","3","6","3","7","1") = "6"
    & skf21("2","5","1","3","6","4","1","1") = "5"
    & skf21("2","5","1","3","6","4","2","1") = "5"
    & skf21("2","5","1","3","6","4","3","1") = "5"
    & skf21("2","5","1","3","6","4","4","1") = "5"
    & skf21("2","5","1","3","6","4","5","1") = "5"
    & skf21("2","5","1","3","6","4","6","1") = "5"
    & skf21("2","5","1","3","6","4","7","1") = "6"
    & skf21("2","5","1","3","6","5","1","1") = "5"
    & skf21("2","5","1","3","6","5","2","1") = "5"
    & skf21("2","5","1","3","6","5","3","1") = "5"
    & skf21("2","5","1","3","6","5","4","1") = "5"
    & skf21("2","5","1","3","6","5","5","1") = "5"
    & skf21("2","5","1","3","6","5","6","1") = "5"
    & skf21("2","5","1","3","6","5","7","1") = "6"
    & skf21("2","5","1","3","6","6","1","1") = "5"
    & skf21("2","5","1","3","6","6","2","1") = "5"
    & skf21("2","5","1","3","6","6","3","1") = "5"
    & skf21("2","5","1","3","6","6","4","1") = "5"
    & skf21("2","5","1","3","6","6","5","1") = "5"
    & skf21("2","5","1","3","6","6","6","1") = "5"
    & skf21("2","5","1","3","6","6","7","1") = "6"
    & skf21("2","5","1","3","6","7","1","1") = "6"
    & skf21("2","5","1","3","6","7","2","1") = "6"
    & skf21("2","5","1","3","6","7","3","1") = "6"
    & skf21("2","5","1","3","6","7","4","1") = "6"
    & skf21("2","5","1","3","6","7","5","1") = "6"
    & skf21("2","5","1","3","6","7","6","1") = "6"
    & skf21("2","5","1","3","6","7","7","1") = "6"
    & skf21("2","5","1","3","7","1","1","1") = "6"
    & skf21("2","5","1","3","7","1","2","1") = "6"
    & skf21("2","5","1","3","7","1","3","1") = "6"
    & skf21("2","5","1","3","7","1","4","1") = "6"
    & skf21("2","5","1","3","7","1","5","1") = "6"
    & skf21("2","5","1","3","7","1","6","1") = "6"
    & skf21("2","5","1","3","7","1","7","1") = "6"
    & skf21("2","5","1","3","7","2","1","1") = "6"
    & skf21("2","5","1","3","7","2","2","1") = "6"
    & skf21("2","5","1","3","7","2","3","1") = "6"
    & skf21("2","5","1","3","7","2","4","1") = "6"
    & skf21("2","5","1","3","7","2","5","1") = "6"
    & skf21("2","5","1","3","7","2","6","1") = "6"
    & skf21("2","5","1","3","7","2","7","1") = "6"
    & skf21("2","5","1","3","7","3","1","1") = "6"
    & skf21("2","5","1","3","7","3","2","1") = "6"
    & skf21("2","5","1","3","7","3","3","1") = "6"
    & skf21("2","5","1","3","7","3","4","1") = "6"
    & skf21("2","5","1","3","7","3","5","1") = "6"
    & skf21("2","5","1","3","7","3","6","1") = "6"
    & skf21("2","5","1","3","7","3","7","1") = "6"
    & skf21("2","5","1","3","7","4","1","1") = "6"
    & skf21("2","5","1","3","7","4","2","1") = "6"
    & skf21("2","5","1","3","7","4","3","1") = "6"
    & skf21("2","5","1","3","7","4","4","1") = "6"
    & skf21("2","5","1","3","7","4","5","1") = "6"
    & skf21("2","5","1","3","7","4","6","1") = "6"
    & skf21("2","5","1","3","7","4","7","1") = "6"
    & skf21("2","5","1","3","7","5","1","1") = "6"
    & skf21("2","5","1","3","7","5","2","1") = "6"
    & skf21("2","5","1","3","7","5","3","1") = "6"
    & skf21("2","5","1","3","7","5","4","1") = "6"
    & skf21("2","5","1","3","7","5","5","1") = "6"
    & skf21("2","5","1","3","7","5","6","1") = "6"
    & skf21("2","5","1","3","7","5","7","1") = "6"
    & skf21("2","5","1","3","7","6","1","1") = "6"
    & skf21("2","5","1","3","7","6","2","1") = "6"
    & skf21("2","5","1","3","7","6","3","1") = "6"
    & skf21("2","5","1","3","7","6","4","1") = "6"
    & skf21("2","5","1","3","7","6","5","1") = "6"
    & skf21("2","5","1","3","7","6","6","1") = "6"
    & skf21("2","5","1","3","7","6","7","1") = "6"
    & skf21("2","5","1","3","7","7","1","1") = "6"
    & skf21("2","5","1","3","7","7","2","1") = "6"
    & skf21("2","5","1","3","7","7","3","1") = "6"
    & skf21("2","5","1","3","7","7","4","1") = "6"
    & skf21("2","5","1","3","7","7","5","1") = "6"
    & skf21("2","5","1","3","7","7","6","1") = "6"
    & skf21("2","5","1","3","7","7","7","1") = "6"
    & skf21("2","5","1","4","1","1","1","1") = "4"
    & skf21("2","5","1","4","1","1","2","1") = "4"
    & skf21("2","5","1","4","1","1","3","1") = "4"
    & skf21("2","5","1","4","1","1","4","1") = "4"
    & skf21("2","5","1","4","1","1","5","1") = "4"
    & skf21("2","5","1","4","1","1","6","1") = "5"
    & skf21("2","5","1","4","1","1","7","1") = "6"
    & skf21("2","5","1","4","1","2","1","1") = "4"
    & skf21("2","5","1","4","1","2","2","1") = "4"
    & skf21("2","5","1","4","1","2","3","1") = "4"
    & skf21("2","5","1","4","1","2","4","1") = "4"
    & skf21("2","5","1","4","1","2","5","1") = "4"
    & skf21("2","5","1","4","1","2","6","1") = "5"
    & skf21("2","5","1","4","1","2","7","1") = "6"
    & skf21("2","5","1","4","1","3","1","1") = "4"
    & skf21("2","5","1","4","1","3","2","1") = "4"
    & skf21("2","5","1","4","1","3","3","1") = "4"
    & skf21("2","5","1","4","1","3","4","1") = "4"
    & skf21("2","5","1","4","1","3","5","1") = "4"
    & skf21("2","5","1","4","1","3","6","1") = "5"
    & skf21("2","5","1","4","1","3","7","1") = "6"
    & skf21("2","5","1","4","1","4","1","1") = "4"
    & skf21("2","5","1","4","1","4","2","1") = "4"
    & skf21("2","5","1","4","1","4","3","1") = "4"
    & skf21("2","5","1","4","1","4","4","1") = "4"
    & skf21("2","5","1","4","1","4","5","1") = "4"
    & skf21("2","5","1","4","1","4","6","1") = "5"
    & skf21("2","5","1","4","1","4","7","1") = "6"
    & skf21("2","5","1","4","1","5","1","1") = "4"
    & skf21("2","5","1","4","1","5","2","1") = "4"
    & skf21("2","5","1","4","1","5","3","1") = "4"
    & skf21("2","5","1","4","1","5","4","1") = "4"
    & skf21("2","5","1","4","1","5","5","1") = "4"
    & skf21("2","5","1","4","1","5","6","1") = "5"
    & skf21("2","5","1","4","1","5","7","1") = "6"
    & skf21("2","5","1","4","1","6","1","1") = "5"
    & skf21("2","5","1","4","1","6","2","1") = "5"
    & skf21("2","5","1","4","1","6","3","1") = "5"
    & skf21("2","5","1","4","1","6","4","1") = "5"
    & skf21("2","5","1","4","1","6","5","1") = "5"
    & skf21("2","5","1","4","1","6","6","1") = "5"
    & skf21("2","5","1","4","1","6","7","1") = "6"
    & skf21("2","5","1","4","1","7","1","1") = "6"
    & skf21("2","5","1","4","1","7","2","1") = "6"
    & skf21("2","5","1","4","1","7","3","1") = "6"
    & skf21("2","5","1","4","1","7","4","1") = "6"
    & skf21("2","5","1","4","1","7","5","1") = "6"
    & skf21("2","5","1","4","1","7","6","1") = "6"
    & skf21("2","5","1","4","1","7","7","1") = "6"
    & skf21("2","5","1","4","2","1","1","1") = "4"
    & skf21("2","5","1","4","2","1","2","1") = "4"
    & skf21("2","5","1","4","2","1","3","1") = "4"
    & skf21("2","5","1","4","2","1","4","1") = "4"
    & skf21("2","5","1","4","2","1","5","1") = "4"
    & skf21("2","5","1","4","2","1","6","1") = "5"
    & skf21("2","5","1","4","2","1","7","1") = "6"
    & skf21("2","5","1","4","2","2","1","1") = "4"
    & skf21("2","5","1","4","2","2","2","1") = "4"
    & skf21("2","5","1","4","2","2","3","1") = "4"
    & skf21("2","5","1","4","2","2","4","1") = "4"
    & skf21("2","5","1","4","2","2","5","1") = "4"
    & skf21("2","5","1","4","2","2","6","1") = "5"
    & skf21("2","5","1","4","2","2","7","1") = "6"
    & skf21("2","5","1","4","2","3","1","1") = "4"
    & skf21("2","5","1","4","2","3","2","1") = "4"
    & skf21("2","5","1","4","2","3","3","1") = "4"
    & skf21("2","5","1","4","2","3","4","1") = "4"
    & skf21("2","5","1","4","2","3","5","1") = "4"
    & skf21("2","5","1","4","2","3","6","1") = "5"
    & skf21("2","5","1","4","2","3","7","1") = "6"
    & skf21("2","5","1","4","2","4","1","1") = "4"
    & skf21("2","5","1","4","2","4","2","1") = "4"
    & skf21("2","5","1","4","2","4","3","1") = "4"
    & skf21("2","5","1","4","2","4","4","1") = "4"
    & skf21("2","5","1","4","2","4","5","1") = "4"
    & skf21("2","5","1","4","2","4","6","1") = "5"
    & skf21("2","5","1","4","2","4","7","1") = "6"
    & skf21("2","5","1","4","2","5","1","1") = "4"
    & skf21("2","5","1","4","2","5","2","1") = "4"
    & skf21("2","5","1","4","2","5","3","1") = "4"
    & skf21("2","5","1","4","2","5","4","1") = "4"
    & skf21("2","5","1","4","2","5","5","1") = "4"
    & skf21("2","5","1","4","2","5","6","1") = "5"
    & skf21("2","5","1","4","2","5","7","1") = "6"
    & skf21("2","5","1","4","2","6","1","1") = "5"
    & skf21("2","5","1","4","2","6","2","1") = "5"
    & skf21("2","5","1","4","2","6","3","1") = "5"
    & skf21("2","5","1","4","2","6","4","1") = "5"
    & skf21("2","5","1","4","2","6","5","1") = "5"
    & skf21("2","5","1","4","2","6","6","1") = "5"
    & skf21("2","5","1","4","2","6","7","1") = "6"
    & skf21("2","5","1","4","2","7","1","1") = "6"
    & skf21("2","5","1","4","2","7","2","1") = "6"
    & skf21("2","5","1","4","2","7","3","1") = "6"
    & skf21("2","5","1","4","2","7","4","1") = "6"
    & skf21("2","5","1","4","2","7","5","1") = "6"
    & skf21("2","5","1","4","2","7","6","1") = "6"
    & skf21("2","5","1","4","2","7","7","1") = "6"
    & skf21("2","5","1","4","3","1","1","1") = "4"
    & skf21("2","5","1","4","3","1","2","1") = "4"
    & skf21("2","5","1","4","3","1","3","1") = "4"
    & skf21("2","5","1","4","3","1","4","1") = "4"
    & skf21("2","5","1","4","3","1","5","1") = "4"
    & skf21("2","5","1","4","3","1","6","1") = "5"
    & skf21("2","5","1","4","3","1","7","1") = "6"
    & skf21("2","5","1","4","3","2","1","1") = "4"
    & skf21("2","5","1","4","3","2","2","1") = "4"
    & skf21("2","5","1","4","3","2","3","1") = "4"
    & skf21("2","5","1","4","3","2","4","1") = "4"
    & skf21("2","5","1","4","3","2","5","1") = "4"
    & skf21("2","5","1","4","3","2","6","1") = "5"
    & skf21("2","5","1","4","3","2","7","1") = "6"
    & skf21("2","5","1","4","3","3","1","1") = "4"
    & skf21("2","5","1","4","3","3","2","1") = "4"
    & skf21("2","5","1","4","3","3","3","1") = "4"
    & skf21("2","5","1","4","3","3","4","1") = "4"
    & skf21("2","5","1","4","3","3","5","1") = "4"
    & skf21("2","5","1","4","3","3","6","1") = "5"
    & skf21("2","5","1","4","3","3","7","1") = "6"
    & skf21("2","5","1","4","3","4","1","1") = "4"
    & skf21("2","5","1","4","3","4","2","1") = "4"
    & skf21("2","5","1","4","3","4","3","1") = "4"
    & skf21("2","5","1","4","3","4","4","1") = "4"
    & skf21("2","5","1","4","3","4","5","1") = "4"
    & skf21("2","5","1","4","3","4","6","1") = "5"
    & skf21("2","5","1","4","3","4","7","1") = "6"
    & skf21("2","5","1","4","3","5","1","1") = "4"
    & skf21("2","5","1","4","3","5","2","1") = "4"
    & skf21("2","5","1","4","3","5","3","1") = "4"
    & skf21("2","5","1","4","3","5","4","1") = "4"
    & skf21("2","5","1","4","3","5","5","1") = "4"
    & skf21("2","5","1","4","3","5","6","1") = "5"
    & skf21("2","5","1","4","3","5","7","1") = "6"
    & skf21("2","5","1","4","3","6","1","1") = "5"
    & skf21("2","5","1","4","3","6","2","1") = "5"
    & skf21("2","5","1","4","3","6","3","1") = "5"
    & skf21("2","5","1","4","3","6","4","1") = "5"
    & skf21("2","5","1","4","3","6","5","1") = "5"
    & skf21("2","5","1","4","3","6","6","1") = "5"
    & skf21("2","5","1","4","3","6","7","1") = "6"
    & skf21("2","5","1","4","3","7","1","1") = "6"
    & skf21("2","5","1","4","3","7","2","1") = "6"
    & skf21("2","5","1","4","3","7","3","1") = "6"
    & skf21("2","5","1","4","3","7","4","1") = "6"
    & skf21("2","5","1","4","3","7","5","1") = "6"
    & skf21("2","5","1","4","3","7","6","1") = "6"
    & skf21("2","5","1","4","3","7","7","1") = "6"
    & skf21("2","5","1","4","4","1","1","1") = "4"
    & skf21("2","5","1","4","4","1","2","1") = "4"
    & skf21("2","5","1","4","4","1","3","1") = "4"
    & skf21("2","5","1","4","4","1","4","1") = "4"
    & skf21("2","5","1","4","4","1","5","1") = "4"
    & skf21("2","5","1","4","4","1","6","1") = "5"
    & skf21("2","5","1","4","4","1","7","1") = "6"
    & skf21("2","5","1","4","4","2","1","1") = "4"
    & skf21("2","5","1","4","4","2","2","1") = "4"
    & skf21("2","5","1","4","4","2","3","1") = "4"
    & skf21("2","5","1","4","4","2","4","1") = "4"
    & skf21("2","5","1","4","4","2","5","1") = "4"
    & skf21("2","5","1","4","4","2","6","1") = "5"
    & skf21("2","5","1","4","4","2","7","1") = "6"
    & skf21("2","5","1","4","4","3","1","1") = "4"
    & skf21("2","5","1","4","4","3","2","1") = "4"
    & skf21("2","5","1","4","4","3","3","1") = "4"
    & skf21("2","5","1","4","4","3","4","1") = "4"
    & skf21("2","5","1","4","4","3","5","1") = "4"
    & skf21("2","5","1","4","4","3","6","1") = "5"
    & skf21("2","5","1","4","4","3","7","1") = "6"
    & skf21("2","5","1","4","4","4","1","1") = "4"
    & skf21("2","5","1","4","4","4","2","1") = "4"
    & skf21("2","5","1","4","4","4","3","1") = "4"
    & skf21("2","5","1","4","4","4","4","1") = "4"
    & skf21("2","5","1","4","4","4","5","1") = "4"
    & skf21("2","5","1","4","4","4","6","1") = "5"
    & skf21("2","5","1","4","4","4","7","1") = "6"
    & skf21("2","5","1","4","4","5","1","1") = "4"
    & skf21("2","5","1","4","4","5","2","1") = "4"
    & skf21("2","5","1","4","4","5","3","1") = "4"
    & skf21("2","5","1","4","4","5","4","1") = "4"
    & skf21("2","5","1","4","4","5","5","1") = "4"
    & skf21("2","5","1","4","4","5","6","1") = "5"
    & skf21("2","5","1","4","4","5","7","1") = "6"
    & skf21("2","5","1","4","4","6","1","1") = "5"
    & skf21("2","5","1","4","4","6","2","1") = "5"
    & skf21("2","5","1","4","4","6","3","1") = "5"
    & skf21("2","5","1","4","4","6","4","1") = "5"
    & skf21("2","5","1","4","4","6","5","1") = "5"
    & skf21("2","5","1","4","4","6","6","1") = "5"
    & skf21("2","5","1","4","4","6","7","1") = "6"
    & skf21("2","5","1","4","4","7","1","1") = "6"
    & skf21("2","5","1","4","4","7","2","1") = "6"
    & skf21("2","5","1","4","4","7","3","1") = "6"
    & skf21("2","5","1","4","4","7","4","1") = "6"
    & skf21("2","5","1","4","4","7","5","1") = "6"
    & skf21("2","5","1","4","4","7","6","1") = "6"
    & skf21("2","5","1","4","4","7","7","1") = "6"
    & skf21("2","5","1","4","5","1","1","1") = "4"
    & skf21("2","5","1","4","5","1","2","1") = "4"
    & skf21("2","5","1","4","5","1","3","1") = "4"
    & skf21("2","5","1","4","5","1","4","1") = "4"
    & skf21("2","5","1","4","5","1","5","1") = "4"
    & skf21("2","5","1","4","5","1","6","1") = "5"
    & skf21("2","5","1","4","5","1","7","1") = "6"
    & skf21("2","5","1","4","5","2","1","1") = "4"
    & skf21("2","5","1","4","5","2","2","1") = "4"
    & skf21("2","5","1","4","5","2","3","1") = "4"
    & skf21("2","5","1","4","5","2","4","1") = "4"
    & skf21("2","5","1","4","5","2","5","1") = "4"
    & skf21("2","5","1","4","5","2","6","1") = "5"
    & skf21("2","5","1","4","5","2","7","1") = "6"
    & skf21("2","5","1","4","5","3","1","1") = "4"
    & skf21("2","5","1","4","5","3","2","1") = "4"
    & skf21("2","5","1","4","5","3","3","1") = "4"
    & skf21("2","5","1","4","5","3","4","1") = "4"
    & skf21("2","5","1","4","5","3","5","1") = "4"
    & skf21("2","5","1","4","5","3","6","1") = "5"
    & skf21("2","5","1","4","5","3","7","1") = "6"
    & skf21("2","5","1","4","5","4","1","1") = "4"
    & skf21("2","5","1","4","5","4","2","1") = "4"
    & skf21("2","5","1","4","5","4","3","1") = "4"
    & skf21("2","5","1","4","5","4","4","1") = "4"
    & skf21("2","5","1","4","5","4","5","1") = "4"
    & skf21("2","5","1","4","5","4","6","1") = "5"
    & skf21("2","5","1","4","5","4","7","1") = "6"
    & skf21("2","5","1","4","5","5","1","1") = "4"
    & skf21("2","5","1","4","5","5","2","1") = "4"
    & skf21("2","5","1","4","5","5","3","1") = "4"
    & skf21("2","5","1","4","5","5","4","1") = "4"
    & skf21("2","5","1","4","5","5","5","1") = "4"
    & skf21("2","5","1","4","5","5","6","1") = "5"
    & skf21("2","5","1","4","5","5","7","1") = "6"
    & skf21("2","5","1","4","5","6","1","1") = "5"
    & skf21("2","5","1","4","5","6","2","1") = "5"
    & skf21("2","5","1","4","5","6","3","1") = "5"
    & skf21("2","5","1","4","5","6","4","1") = "5"
    & skf21("2","5","1","4","5","6","5","1") = "5"
    & skf21("2","5","1","4","5","6","6","1") = "5"
    & skf21("2","5","1","4","5","6","7","1") = "6"
    & skf21("2","5","1","4","5","7","1","1") = "6"
    & skf21("2","5","1","4","5","7","2","1") = "6"
    & skf21("2","5","1","4","5","7","3","1") = "6"
    & skf21("2","5","1","4","5","7","4","1") = "6"
    & skf21("2","5","1","4","5","7","5","1") = "6"
    & skf21("2","5","1","4","5","7","6","1") = "6"
    & skf21("2","5","1","4","5","7","7","1") = "6"
    & skf21("2","5","1","4","6","1","1","1") = "5"
    & skf21("2","5","1","4","6","1","2","1") = "5"
    & skf21("2","5","1","4","6","1","3","1") = "5"
    & skf21("2","5","1","4","6","1","4","1") = "5"
    & skf21("2","5","1","4","6","1","5","1") = "5"
    & skf21("2","5","1","4","6","1","6","1") = "5"
    & skf21("2","5","1","4","6","1","7","1") = "6"
    & skf21("2","5","1","4","6","2","1","1") = "5"
    & skf21("2","5","1","4","6","2","2","1") = "5"
    & skf21("2","5","1","4","6","2","3","1") = "5"
    & skf21("2","5","1","4","6","2","4","1") = "5"
    & skf21("2","5","1","4","6","2","5","1") = "5"
    & skf21("2","5","1","4","6","2","6","1") = "5"
    & skf21("2","5","1","4","6","2","7","1") = "6"
    & skf21("2","5","1","4","6","3","1","1") = "5"
    & skf21("2","5","1","4","6","3","2","1") = "5"
    & skf21("2","5","1","4","6","3","3","1") = "5"
    & skf21("2","5","1","4","6","3","4","1") = "5"
    & skf21("2","5","1","4","6","3","5","1") = "5"
    & skf21("2","5","1","4","6","3","6","1") = "5"
    & skf21("2","5","1","4","6","3","7","1") = "6"
    & skf21("2","5","1","4","6","4","1","1") = "5"
    & skf21("2","5","1","4","6","4","2","1") = "5"
    & skf21("2","5","1","4","6","4","3","1") = "5"
    & skf21("2","5","1","4","6","4","4","1") = "5"
    & skf21("2","5","1","4","6","4","5","1") = "5"
    & skf21("2","5","1","4","6","4","6","1") = "5"
    & skf21("2","5","1","4","6","4","7","1") = "6"
    & skf21("2","5","1","4","6","5","1","1") = "5"
    & skf21("2","5","1","4","6","5","2","1") = "5"
    & skf21("2","5","1","4","6","5","3","1") = "5"
    & skf21("2","5","1","4","6","5","4","1") = "5"
    & skf21("2","5","1","4","6","5","5","1") = "5"
    & skf21("2","5","1","4","6","5","6","1") = "5"
    & skf21("2","5","1","4","6","5","7","1") = "6"
    & skf21("2","5","1","4","6","6","1","1") = "5"
    & skf21("2","5","1","4","6","6","2","1") = "5"
    & skf21("2","5","1","4","6","6","3","1") = "5"
    & skf21("2","5","1","4","6","6","4","1") = "5"
    & skf21("2","5","1","4","6","6","5","1") = "5"
    & skf21("2","5","1","4","6","6","6","1") = "5"
    & skf21("2","5","1","4","6","6","7","1") = "6"
    & skf21("2","5","1","4","6","7","1","1") = "6"
    & skf21("2","5","1","4","6","7","2","1") = "6"
    & skf21("2","5","1","4","6","7","3","1") = "6"
    & skf21("2","5","1","4","6","7","4","1") = "6"
    & skf21("2","5","1","4","6","7","5","1") = "6"
    & skf21("2","5","1","4","6","7","6","1") = "6"
    & skf21("2","5","1","4","6","7","7","1") = "6"
    & skf21("2","5","1","4","7","1","1","1") = "6"
    & skf21("2","5","1","4","7","1","2","1") = "6"
    & skf21("2","5","1","4","7","1","3","1") = "6"
    & skf21("2","5","1","4","7","1","4","1") = "6"
    & skf21("2","5","1","4","7","1","5","1") = "6"
    & skf21("2","5","1","4","7","1","6","1") = "6"
    & skf21("2","5","1","4","7","1","7","1") = "6"
    & skf21("2","5","1","4","7","2","1","1") = "6"
    & skf21("2","5","1","4","7","2","2","1") = "6"
    & skf21("2","5","1","4","7","2","3","1") = "6"
    & skf21("2","5","1","4","7","2","4","1") = "6"
    & skf21("2","5","1","4","7","2","5","1") = "6"
    & skf21("2","5","1","4","7","2","6","1") = "6"
    & skf21("2","5","1","4","7","2","7","1") = "6"
    & skf21("2","5","1","4","7","3","1","1") = "6"
    & skf21("2","5","1","4","7","3","2","1") = "6"
    & skf21("2","5","1","4","7","3","3","1") = "6"
    & skf21("2","5","1","4","7","3","4","1") = "6"
    & skf21("2","5","1","4","7","3","5","1") = "6"
    & skf21("2","5","1","4","7","3","6","1") = "6"
    & skf21("2","5","1","4","7","3","7","1") = "6"
    & skf21("2","5","1","4","7","4","1","1") = "6"
    & skf21("2","5","1","4","7","4","2","1") = "6"
    & skf21("2","5","1","4","7","4","3","1") = "6"
    & skf21("2","5","1","4","7","4","4","1") = "6"
    & skf21("2","5","1","4","7","4","5","1") = "6"
    & skf21("2","5","1","4","7","4","6","1") = "6"
    & skf21("2","5","1","4","7","4","7","1") = "6"
    & skf21("2","5","1","4","7","5","1","1") = "6"
    & skf21("2","5","1","4","7","5","2","1") = "6"
    & skf21("2","5","1","4","7","5","3","1") = "6"
    & skf21("2","5","1","4","7","5","4","1") = "6"
    & skf21("2","5","1","4","7","5","5","1") = "6"
    & skf21("2","5","1","4","7","5","6","1") = "6"
    & skf21("2","5","1","4","7","5","7","1") = "6"
    & skf21("2","5","1","4","7","6","1","1") = "6"
    & skf21("2","5","1","4","7","6","2","1") = "6"
    & skf21("2","5","1","4","7","6","3","1") = "6"
    & skf21("2","5","1","4","7","6","4","1") = "6"
    & skf21("2","5","1","4","7","6","5","1") = "6"
    & skf21("2","5","1","4","7","6","6","1") = "6"
    & skf21("2","5","1","4","7","6","7","1") = "6"
    & skf21("2","5","1","4","7","7","1","1") = "6"
    & skf21("2","5","1","4","7","7","2","1") = "6"
    & skf21("2","5","1","4","7","7","3","1") = "6"
    & skf21("2","5","1","4","7","7","4","1") = "6"
    & skf21("2","5","1","4","7","7","5","1") = "6"
    & skf21("2","5","1","4","7","7","6","1") = "6"
    & skf21("2","5","1","4","7","7","7","1") = "6"
    & skf21("2","5","1","5","1","1","1","1") = "4"
    & skf21("2","5","1","5","1","1","2","1") = "4"
    & skf21("2","5","1","5","1","1","3","1") = "4"
    & skf21("2","5","1","5","1","1","4","1") = "4"
    & skf21("2","5","1","5","1","1","5","1") = "4"
    & skf21("2","5","1","5","1","1","6","1") = "5"
    & skf21("2","5","1","5","1","1","7","1") = "6"
    & skf21("2","5","1","5","1","2","1","1") = "4"
    & skf21("2","5","1","5","1","2","2","1") = "4"
    & skf21("2","5","1","5","1","2","3","1") = "4"
    & skf21("2","5","1","5","1","2","4","1") = "4"
    & skf21("2","5","1","5","1","2","5","1") = "4"
    & skf21("2","5","1","5","1","2","6","1") = "5"
    & skf21("2","5","1","5","1","2","7","1") = "6"
    & skf21("2","5","1","5","1","3","1","1") = "4"
    & skf21("2","5","1","5","1","3","2","1") = "4"
    & skf21("2","5","1","5","1","3","3","1") = "4"
    & skf21("2","5","1","5","1","3","4","1") = "4"
    & skf21("2","5","1","5","1","3","5","1") = "4"
    & skf21("2","5","1","5","1","3","6","1") = "5"
    & skf21("2","5","1","5","1","3","7","1") = "6"
    & skf21("2","5","1","5","1","4","1","1") = "4"
    & skf21("2","5","1","5","1","4","2","1") = "4"
    & skf21("2","5","1","5","1","4","3","1") = "4"
    & skf21("2","5","1","5","1","4","4","1") = "4"
    & skf21("2","5","1","5","1","4","5","1") = "4"
    & skf21("2","5","1","5","1","4","6","1") = "5"
    & skf21("2","5","1","5","1","4","7","1") = "6"
    & skf21("2","5","1","5","1","5","1","1") = "4"
    & skf21("2","5","1","5","1","5","2","1") = "4"
    & skf21("2","5","1","5","1","5","3","1") = "4"
    & skf21("2","5","1","5","1","5","4","1") = "4"
    & skf21("2","5","1","5","1","5","5","1") = "4"
    & skf21("2","5","1","5","1","5","6","1") = "5"
    & skf21("2","5","1","5","1","5","7","1") = "6"
    & skf21("2","5","1","5","1","6","1","1") = "5"
    & skf21("2","5","1","5","1","6","2","1") = "5"
    & skf21("2","5","1","5","1","6","3","1") = "5"
    & skf21("2","5","1","5","1","6","4","1") = "5"
    & skf21("2","5","1","5","1","6","5","1") = "5"
    & skf21("2","5","1","5","1","6","6","1") = "5"
    & skf21("2","5","1","5","1","6","7","1") = "6"
    & skf21("2","5","1","5","1","7","1","1") = "6"
    & skf21("2","5","1","5","1","7","2","1") = "6"
    & skf21("2","5","1","5","1","7","3","1") = "6"
    & skf21("2","5","1","5","1","7","4","1") = "6"
    & skf21("2","5","1","5","1","7","5","1") = "6"
    & skf21("2","5","1","5","1","7","6","1") = "6"
    & skf21("2","5","1","5","1","7","7","1") = "6"
    & skf21("2","5","1","5","2","1","1","1") = "4"
    & skf21("2","5","1","5","2","1","2","1") = "4"
    & skf21("2","5","1","5","2","1","3","1") = "4"
    & skf21("2","5","1","5","2","1","4","1") = "4"
    & skf21("2","5","1","5","2","1","5","1") = "4"
    & skf21("2","5","1","5","2","1","6","1") = "5"
    & skf21("2","5","1","5","2","1","7","1") = "6"
    & skf21("2","5","1","5","2","2","1","1") = "4"
    & skf21("2","5","1","5","2","2","2","1") = "4"
    & skf21("2","5","1","5","2","2","3","1") = "4"
    & skf21("2","5","1","5","2","2","4","1") = "4"
    & skf21("2","5","1","5","2","2","5","1") = "4"
    & skf21("2","5","1","5","2","2","6","1") = "5"
    & skf21("2","5","1","5","2","2","7","1") = "6"
    & skf21("2","5","1","5","2","3","1","1") = "4"
    & skf21("2","5","1","5","2","3","2","1") = "4"
    & skf21("2","5","1","5","2","3","3","1") = "4"
    & skf21("2","5","1","5","2","3","4","1") = "4"
    & skf21("2","5","1","5","2","3","5","1") = "4"
    & skf21("2","5","1","5","2","3","6","1") = "5"
    & skf21("2","5","1","5","2","3","7","1") = "6"
    & skf21("2","5","1","5","2","4","1","1") = "4"
    & skf21("2","5","1","5","2","4","2","1") = "4"
    & skf21("2","5","1","5","2","4","3","1") = "4"
    & skf21("2","5","1","5","2","4","4","1") = "4"
    & skf21("2","5","1","5","2","4","5","1") = "4"
    & skf21("2","5","1","5","2","4","6","1") = "5"
    & skf21("2","5","1","5","2","4","7","1") = "6"
    & skf21("2","5","1","5","2","5","1","1") = "4"
    & skf21("2","5","1","5","2","5","2","1") = "4"
    & skf21("2","5","1","5","2","5","3","1") = "4"
    & skf21("2","5","1","5","2","5","4","1") = "4"
    & skf21("2","5","1","5","2","5","5","1") = "4"
    & skf21("2","5","1","5","2","5","6","1") = "5"
    & skf21("2","5","1","5","2","5","7","1") = "6"
    & skf21("2","5","1","5","2","6","1","1") = "5"
    & skf21("2","5","1","5","2","6","2","1") = "5"
    & skf21("2","5","1","5","2","6","3","1") = "5"
    & skf21("2","5","1","5","2","6","4","1") = "5"
    & skf21("2","5","1","5","2","6","5","1") = "5"
    & skf21("2","5","1","5","2","6","6","1") = "5"
    & skf21("2","5","1","5","2","6","7","1") = "6"
    & skf21("2","5","1","5","2","7","1","1") = "6"
    & skf21("2","5","1","5","2","7","2","1") = "6"
    & skf21("2","5","1","5","2","7","3","1") = "6"
    & skf21("2","5","1","5","2","7","4","1") = "6"
    & skf21("2","5","1","5","2","7","5","1") = "6"
    & skf21("2","5","1","5","2","7","6","1") = "6"
    & skf21("2","5","1","5","2","7","7","1") = "6"
    & skf21("2","5","1","5","3","1","1","1") = "4"
    & skf21("2","5","1","5","3","1","2","1") = "4"
    & skf21("2","5","1","5","3","1","3","1") = "4"
    & skf21("2","5","1","5","3","1","4","1") = "4"
    & skf21("2","5","1","5","3","1","5","1") = "4"
    & skf21("2","5","1","5","3","1","6","1") = "5"
    & skf21("2","5","1","5","3","1","7","1") = "6"
    & skf21("2","5","1","5","3","2","1","1") = "4"
    & skf21("2","5","1","5","3","2","2","1") = "4"
    & skf21("2","5","1","5","3","2","3","1") = "4"
    & skf21("2","5","1","5","3","2","4","1") = "4"
    & skf21("2","5","1","5","3","2","5","1") = "4"
    & skf21("2","5","1","5","3","2","6","1") = "5"
    & skf21("2","5","1","5","3","2","7","1") = "6"
    & skf21("2","5","1","5","3","3","1","1") = "4"
    & skf21("2","5","1","5","3","3","2","1") = "4"
    & skf21("2","5","1","5","3","3","3","1") = "4"
    & skf21("2","5","1","5","3","3","4","1") = "4"
    & skf21("2","5","1","5","3","3","5","1") = "4"
    & skf21("2","5","1","5","3","3","6","1") = "5"
    & skf21("2","5","1","5","3","3","7","1") = "6"
    & skf21("2","5","1","5","3","4","1","1") = "4"
    & skf21("2","5","1","5","3","4","2","1") = "4"
    & skf21("2","5","1","5","3","4","3","1") = "4"
    & skf21("2","5","1","5","3","4","4","1") = "4"
    & skf21("2","5","1","5","3","4","5","1") = "4"
    & skf21("2","5","1","5","3","4","6","1") = "5"
    & skf21("2","5","1","5","3","4","7","1") = "6"
    & skf21("2","5","1","5","3","5","1","1") = "4"
    & skf21("2","5","1","5","3","5","2","1") = "4"
    & skf21("2","5","1","5","3","5","3","1") = "4"
    & skf21("2","5","1","5","3","5","4","1") = "4"
    & skf21("2","5","1","5","3","5","5","1") = "4"
    & skf21("2","5","1","5","3","5","6","1") = "5"
    & skf21("2","5","1","5","3","5","7","1") = "6"
    & skf21("2","5","1","5","3","6","1","1") = "5"
    & skf21("2","5","1","5","3","6","2","1") = "5"
    & skf21("2","5","1","5","3","6","3","1") = "5"
    & skf21("2","5","1","5","3","6","4","1") = "5"
    & skf21("2","5","1","5","3","6","5","1") = "5"
    & skf21("2","5","1","5","3","6","6","1") = "5"
    & skf21("2","5","1","5","3","6","7","1") = "6"
    & skf21("2","5","1","5","3","7","1","1") = "6"
    & skf21("2","5","1","5","3","7","2","1") = "6"
    & skf21("2","5","1","5","3","7","3","1") = "6"
    & skf21("2","5","1","5","3","7","4","1") = "6"
    & skf21("2","5","1","5","3","7","5","1") = "6"
    & skf21("2","5","1","5","3","7","6","1") = "6"
    & skf21("2","5","1","5","3","7","7","1") = "6"
    & skf21("2","5","1","5","4","1","1","1") = "4"
    & skf21("2","5","1","5","4","1","2","1") = "4"
    & skf21("2","5","1","5","4","1","3","1") = "4"
    & skf21("2","5","1","5","4","1","4","1") = "4"
    & skf21("2","5","1","5","4","1","5","1") = "4"
    & skf21("2","5","1","5","4","1","6","1") = "5"
    & skf21("2","5","1","5","4","1","7","1") = "6"
    & skf21("2","5","1","5","4","2","1","1") = "4"
    & skf21("2","5","1","5","4","2","2","1") = "4"
    & skf21("2","5","1","5","4","2","3","1") = "4"
    & skf21("2","5","1","5","4","2","4","1") = "4"
    & skf21("2","5","1","5","4","2","5","1") = "4"
    & skf21("2","5","1","5","4","2","6","1") = "5"
    & skf21("2","5","1","5","4","2","7","1") = "6"
    & skf21("2","5","1","5","4","3","1","1") = "4"
    & skf21("2","5","1","5","4","3","2","1") = "4"
    & skf21("2","5","1","5","4","3","3","1") = "4"
    & skf21("2","5","1","5","4","3","4","1") = "4"
    & skf21("2","5","1","5","4","3","5","1") = "4"
    & skf21("2","5","1","5","4","3","6","1") = "5"
    & skf21("2","5","1","5","4","3","7","1") = "6"
    & skf21("2","5","1","5","4","4","1","1") = "4"
    & skf21("2","5","1","5","4","4","2","1") = "4"
    & skf21("2","5","1","5","4","4","3","1") = "4"
    & skf21("2","5","1","5","4","4","4","1") = "4"
    & skf21("2","5","1","5","4","4","5","1") = "4"
    & skf21("2","5","1","5","4","4","6","1") = "5"
    & skf21("2","5","1","5","4","4","7","1") = "6"
    & skf21("2","5","1","5","4","5","1","1") = "4"
    & skf21("2","5","1","5","4","5","2","1") = "4"
    & skf21("2","5","1","5","4","5","3","1") = "4"
    & skf21("2","5","1","5","4","5","4","1") = "4"
    & skf21("2","5","1","5","4","5","5","1") = "4"
    & skf21("2","5","1","5","4","5","6","1") = "5"
    & skf21("2","5","1","5","4","5","7","1") = "6"
    & skf21("2","5","1","5","4","6","1","1") = "5"
    & skf21("2","5","1","5","4","6","2","1") = "5"
    & skf21("2","5","1","5","4","6","3","1") = "5"
    & skf21("2","5","1","5","4","6","4","1") = "5"
    & skf21("2","5","1","5","4","6","5","1") = "5"
    & skf21("2","5","1","5","4","6","6","1") = "5"
    & skf21("2","5","1","5","4","6","7","1") = "6"
    & skf21("2","5","1","5","4","7","1","1") = "6"
    & skf21("2","5","1","5","4","7","2","1") = "6"
    & skf21("2","5","1","5","4","7","3","1") = "6"
    & skf21("2","5","1","5","4","7","4","1") = "6"
    & skf21("2","5","1","5","4","7","5","1") = "6"
    & skf21("2","5","1","5","4","7","6","1") = "6"
    & skf21("2","5","1","5","4","7","7","1") = "6"
    & skf21("2","5","1","5","5","1","1","1") = "4"
    & skf21("2","5","1","5","5","1","2","1") = "4"
    & skf21("2","5","1","5","5","1","3","1") = "4"
    & skf21("2","5","1","5","5","1","4","1") = "4"
    & skf21("2","5","1","5","5","1","5","1") = "4"
    & skf21("2","5","1","5","5","1","6","1") = "5"
    & skf21("2","5","1","5","5","1","7","1") = "6"
    & skf21("2","5","1","5","5","2","1","1") = "4"
    & skf21("2","5","1","5","5","2","2","1") = "4"
    & skf21("2","5","1","5","5","2","3","1") = "4"
    & skf21("2","5","1","5","5","2","4","1") = "4"
    & skf21("2","5","1","5","5","2","5","1") = "4"
    & skf21("2","5","1","5","5","2","6","1") = "5"
    & skf21("2","5","1","5","5","2","7","1") = "6"
    & skf21("2","5","1","5","5","3","1","1") = "4"
    & skf21("2","5","1","5","5","3","2","1") = "4"
    & skf21("2","5","1","5","5","3","3","1") = "4"
    & skf21("2","5","1","5","5","3","4","1") = "4"
    & skf21("2","5","1","5","5","3","5","1") = "4"
    & skf21("2","5","1","5","5","3","6","1") = "5"
    & skf21("2","5","1","5","5","3","7","1") = "6"
    & skf21("2","5","1","5","5","4","1","1") = "4"
    & skf21("2","5","1","5","5","4","2","1") = "4"
    & skf21("2","5","1","5","5","4","3","1") = "4"
    & skf21("2","5","1","5","5","4","4","1") = "4"
    & skf21("2","5","1","5","5","4","5","1") = "4"
    & skf21("2","5","1","5","5","4","6","1") = "5"
    & skf21("2","5","1","5","5","4","7","1") = "6"
    & skf21("2","5","1","5","5","5","1","1") = "4"
    & skf21("2","5","1","5","5","5","2","1") = "4"
    & skf21("2","5","1","5","5","5","3","1") = "4"
    & skf21("2","5","1","5","5","5","4","1") = "4"
    & skf21("2","5","1","5","5","5","5","1") = "4"
    & skf21("2","5","1","5","5","5","6","1") = "5"
    & skf21("2","5","1","5","5","5","7","1") = "6"
    & skf21("2","5","1","5","5","6","1","1") = "5"
    & skf21("2","5","1","5","5","6","2","1") = "5"
    & skf21("2","5","1","5","5","6","3","1") = "5"
    & skf21("2","5","1","5","5","6","4","1") = "5"
    & skf21("2","5","1","5","5","6","5","1") = "5"
    & skf21("2","5","1","5","5","6","6","1") = "5"
    & skf21("2","5","1","5","5","6","7","1") = "6"
    & skf21("2","5","1","5","5","7","1","1") = "6"
    & skf21("2","5","1","5","5","7","2","1") = "6"
    & skf21("2","5","1","5","5","7","3","1") = "6"
    & skf21("2","5","1","5","5","7","4","1") = "6"
    & skf21("2","5","1","5","5","7","5","1") = "6"
    & skf21("2","5","1","5","5","7","6","1") = "6"
    & skf21("2","5","1","5","5","7","7","1") = "6"
    & skf21("2","5","1","5","6","1","1","1") = "5"
    & skf21("2","5","1","5","6","1","2","1") = "5"
    & skf21("2","5","1","5","6","1","3","1") = "5"
    & skf21("2","5","1","5","6","1","4","1") = "5"
    & skf21("2","5","1","5","6","1","5","1") = "5"
    & skf21("2","5","1","5","6","1","6","1") = "5"
    & skf21("2","5","1","5","6","1","7","1") = "6"
    & skf21("2","5","1","5","6","2","1","1") = "5"
    & skf21("2","5","1","5","6","2","2","1") = "5"
    & skf21("2","5","1","5","6","2","3","1") = "5"
    & skf21("2","5","1","5","6","2","4","1") = "5"
    & skf21("2","5","1","5","6","2","5","1") = "5"
    & skf21("2","5","1","5","6","2","6","1") = "5"
    & skf21("2","5","1","5","6","2","7","1") = "6"
    & skf21("2","5","1","5","6","3","1","1") = "5"
    & skf21("2","5","1","5","6","3","2","1") = "5"
    & skf21("2","5","1","5","6","3","3","1") = "5"
    & skf21("2","5","1","5","6","3","4","1") = "5"
    & skf21("2","5","1","5","6","3","5","1") = "5"
    & skf21("2","5","1","5","6","3","6","1") = "5"
    & skf21("2","5","1","5","6","3","7","1") = "6"
    & skf21("2","5","1","5","6","4","1","1") = "5"
    & skf21("2","5","1","5","6","4","2","1") = "5"
    & skf21("2","5","1","5","6","4","3","1") = "5"
    & skf21("2","5","1","5","6","4","4","1") = "5"
    & skf21("2","5","1","5","6","4","5","1") = "5"
    & skf21("2","5","1","5","6","4","6","1") = "5"
    & skf21("2","5","1","5","6","4","7","1") = "6"
    & skf21("2","5","1","5","6","5","1","1") = "5"
    & skf21("2","5","1","5","6","5","2","1") = "5"
    & skf21("2","5","1","5","6","5","3","1") = "5"
    & skf21("2","5","1","5","6","5","4","1") = "5"
    & skf21("2","5","1","5","6","5","5","1") = "5"
    & skf21("2","5","1","5","6","5","6","1") = "5"
    & skf21("2","5","1","5","6","5","7","1") = "6"
    & skf21("2","5","1","5","6","6","1","1") = "5"
    & skf21("2","5","1","5","6","6","2","1") = "5"
    & skf21("2","5","1","5","6","6","3","1") = "5"
    & skf21("2","5","1","5","6","6","4","1") = "5"
    & skf21("2","5","1","5","6","6","5","1") = "5"
    & skf21("2","5","1","5","6","6","6","1") = "5"
    & skf21("2","5","1","5","6","6","7","1") = "6"
    & skf21("2","5","1","5","6","7","1","1") = "6"
    & skf21("2","5","1","5","6","7","2","1") = "6"
    & skf21("2","5","1","5","6","7","3","1") = "6"
    & skf21("2","5","1","5","6","7","4","1") = "6"
    & skf21("2","5","1","5","6","7","5","1") = "6"
    & skf21("2","5","1","5","6","7","6","1") = "6"
    & skf21("2","5","1","5","6","7","7","1") = "6"
    & skf21("2","5","1","5","7","1","1","1") = "6"
    & skf21("2","5","1","5","7","1","2","1") = "6"
    & skf21("2","5","1","5","7","1","3","1") = "6"
    & skf21("2","5","1","5","7","1","4","1") = "6"
    & skf21("2","5","1","5","7","1","5","1") = "6"
    & skf21("2","5","1","5","7","1","6","1") = "6"
    & skf21("2","5","1","5","7","1","7","1") = "6"
    & skf21("2","5","1","5","7","2","1","1") = "6"
    & skf21("2","5","1","5","7","2","2","1") = "6"
    & skf21("2","5","1","5","7","2","3","1") = "6"
    & skf21("2","5","1","5","7","2","4","1") = "6"
    & skf21("2","5","1","5","7","2","5","1") = "6"
    & skf21("2","5","1","5","7","2","6","1") = "6"
    & skf21("2","5","1","5","7","2","7","1") = "6"
    & skf21("2","5","1","5","7","3","1","1") = "6"
    & skf21("2","5","1","5","7","3","2","1") = "6"
    & skf21("2","5","1","5","7","3","3","1") = "6"
    & skf21("2","5","1","5","7","3","4","1") = "6"
    & skf21("2","5","1","5","7","3","5","1") = "6"
    & skf21("2","5","1","5","7","3","6","1") = "6"
    & skf21("2","5","1","5","7","3","7","1") = "6"
    & skf21("2","5","1","5","7","4","1","1") = "6"
    & skf21("2","5","1","5","7","4","2","1") = "6"
    & skf21("2","5","1","5","7","4","3","1") = "6"
    & skf21("2","5","1","5","7","4","4","1") = "6"
    & skf21("2","5","1","5","7","4","5","1") = "6"
    & skf21("2","5","1","5","7","4","6","1") = "6"
    & skf21("2","5","1","5","7","4","7","1") = "6"
    & skf21("2","5","1","5","7","5","1","1") = "6"
    & skf21("2","5","1","5","7","5","2","1") = "6"
    & skf21("2","5","1","5","7","5","3","1") = "6"
    & skf21("2","5","1","5","7","5","4","1") = "6"
    & skf21("2","5","1","5","7","5","5","1") = "6"
    & skf21("2","5","1","5","7","5","6","1") = "6"
    & skf21("2","5","1","5","7","5","7","1") = "6"
    & skf21("2","5","1","5","7","6","1","1") = "6"
    & skf21("2","5","1","5","7","6","2","1") = "6"
    & skf21("2","5","1","5","7","6","3","1") = "6"
    & skf21("2","5","1","5","7","6","4","1") = "6"
    & skf21("2","5","1","5","7","6","5","1") = "6"
    & skf21("2","5","1","5","7","6","6","1") = "6"
    & skf21("2","5","1","5","7","6","7","1") = "6"
    & skf21("2","5","1","5","7","7","1","1") = "6"
    & skf21("2","5","1","5","7","7","2","1") = "6"
    & skf21("2","5","1","5","7","7","3","1") = "6"
    & skf21("2","5","1","5","7","7","4","1") = "6"
    & skf21("2","5","1","5","7","7","5","1") = "6"
    & skf21("2","5","1","5","7","7","6","1") = "6"
    & skf21("2","5","1","5","7","7","7","1") = "6"
    & skf21("2","5","1","6","1","1","1","1") = "5"
    & skf21("2","5","1","6","1","1","2","1") = "5"
    & skf21("2","5","1","6","1","1","3","1") = "5"
    & skf21("2","5","1","6","1","1","4","1") = "5"
    & skf21("2","5","1","6","1","1","5","1") = "5"
    & skf21("2","5","1","6","1","1","6","1") = "5"
    & skf21("2","5","1","6","1","1","7","1") = "6"
    & skf21("2","5","1","6","1","2","1","1") = "5"
    & skf21("2","5","1","6","1","2","2","1") = "5"
    & skf21("2","5","1","6","1","2","3","1") = "5"
    & skf21("2","5","1","6","1","2","4","1") = "5"
    & skf21("2","5","1","6","1","2","5","1") = "5"
    & skf21("2","5","1","6","1","2","6","1") = "5"
    & skf21("2","5","1","6","1","2","7","1") = "6"
    & skf21("2","5","1","6","1","3","1","1") = "5"
    & skf21("2","5","1","6","1","3","2","1") = "5"
    & skf21("2","5","1","6","1","3","3","1") = "5"
    & skf21("2","5","1","6","1","3","4","1") = "5"
    & skf21("2","5","1","6","1","3","5","1") = "5"
    & skf21("2","5","1","6","1","3","6","1") = "5"
    & skf21("2","5","1","6","1","3","7","1") = "6"
    & skf21("2","5","1","6","1","4","1","1") = "5"
    & skf21("2","5","1","6","1","4","2","1") = "5"
    & skf21("2","5","1","6","1","4","3","1") = "5"
    & skf21("2","5","1","6","1","4","4","1") = "5"
    & skf21("2","5","1","6","1","4","5","1") = "5"
    & skf21("2","5","1","6","1","4","6","1") = "5"
    & skf21("2","5","1","6","1","4","7","1") = "6"
    & skf21("2","5","1","6","1","5","1","1") = "5"
    & skf21("2","5","1","6","1","5","2","1") = "5"
    & skf21("2","5","1","6","1","5","3","1") = "5"
    & skf21("2","5","1","6","1","5","4","1") = "5"
    & skf21("2","5","1","6","1","5","5","1") = "5"
    & skf21("2","5","1","6","1","5","6","1") = "5"
    & skf21("2","5","1","6","1","5","7","1") = "6"
    & skf21("2","5","1","6","1","6","1","1") = "5"
    & skf21("2","5","1","6","1","6","2","1") = "5"
    & skf21("2","5","1","6","1","6","3","1") = "5"
    & skf21("2","5","1","6","1","6","4","1") = "5"
    & skf21("2","5","1","6","1","6","5","1") = "5"
    & skf21("2","5","1","6","1","6","6","1") = "5"
    & skf21("2","5","1","6","1","6","7","1") = "6"
    & skf21("2","5","1","6","1","7","1","1") = "6"
    & skf21("2","5","1","6","1","7","2","1") = "6"
    & skf21("2","5","1","6","1","7","3","1") = "6"
    & skf21("2","5","1","6","1","7","4","1") = "6"
    & skf21("2","5","1","6","1","7","5","1") = "6"
    & skf21("2","5","1","6","1","7","6","1") = "6"
    & skf21("2","5","1","6","1","7","7","1") = "6"
    & skf21("2","5","1","6","2","1","1","1") = "5"
    & skf21("2","5","1","6","2","1","2","1") = "5"
    & skf21("2","5","1","6","2","1","3","1") = "5"
    & skf21("2","5","1","6","2","1","4","1") = "5"
    & skf21("2","5","1","6","2","1","5","1") = "5"
    & skf21("2","5","1","6","2","1","6","1") = "5"
    & skf21("2","5","1","6","2","1","7","1") = "6"
    & skf21("2","5","1","6","2","2","1","1") = "5"
    & skf21("2","5","1","6","2","2","2","1") = "5"
    & skf21("2","5","1","6","2","2","3","1") = "5"
    & skf21("2","5","1","6","2","2","4","1") = "5"
    & skf21("2","5","1","6","2","2","5","1") = "5"
    & skf21("2","5","1","6","2","2","6","1") = "5"
    & skf21("2","5","1","6","2","2","7","1") = "6"
    & skf21("2","5","1","6","2","3","1","1") = "5"
    & skf21("2","5","1","6","2","3","2","1") = "5"
    & skf21("2","5","1","6","2","3","3","1") = "5"
    & skf21("2","5","1","6","2","3","4","1") = "5"
    & skf21("2","5","1","6","2","3","5","1") = "5"
    & skf21("2","5","1","6","2","3","6","1") = "5"
    & skf21("2","5","1","6","2","3","7","1") = "6"
    & skf21("2","5","1","6","2","4","1","1") = "5"
    & skf21("2","5","1","6","2","4","2","1") = "5"
    & skf21("2","5","1","6","2","4","3","1") = "5"
    & skf21("2","5","1","6","2","4","4","1") = "5"
    & skf21("2","5","1","6","2","4","5","1") = "5"
    & skf21("2","5","1","6","2","4","6","1") = "5"
    & skf21("2","5","1","6","2","4","7","1") = "6"
    & skf21("2","5","1","6","2","5","1","1") = "5"
    & skf21("2","5","1","6","2","5","2","1") = "5"
    & skf21("2","5","1","6","2","5","3","1") = "5"
    & skf21("2","5","1","6","2","5","4","1") = "5"
    & skf21("2","5","1","6","2","5","5","1") = "5"
    & skf21("2","5","1","6","2","5","6","1") = "5"
    & skf21("2","5","1","6","2","5","7","1") = "6"
    & skf21("2","5","1","6","2","6","1","1") = "5"
    & skf21("2","5","1","6","2","6","2","1") = "5"
    & skf21("2","5","1","6","2","6","3","1") = "5"
    & skf21("2","5","1","6","2","6","4","1") = "5"
    & skf21("2","5","1","6","2","6","5","1") = "5"
    & skf21("2","5","1","6","2","6","6","1") = "5"
    & skf21("2","5","1","6","2","6","7","1") = "6"
    & skf21("2","5","1","6","2","7","1","1") = "6"
    & skf21("2","5","1","6","2","7","2","1") = "6"
    & skf21("2","5","1","6","2","7","3","1") = "6"
    & skf21("2","5","1","6","2","7","4","1") = "6"
    & skf21("2","5","1","6","2","7","5","1") = "6"
    & skf21("2","5","1","6","2","7","6","1") = "6"
    & skf21("2","5","1","6","2","7","7","1") = "6"
    & skf21("2","5","1","6","3","1","1","1") = "5"
    & skf21("2","5","1","6","3","1","2","1") = "5"
    & skf21("2","5","1","6","3","1","3","1") = "5"
    & skf21("2","5","1","6","3","1","4","1") = "5"
    & skf21("2","5","1","6","3","1","5","1") = "5"
    & skf21("2","5","1","6","3","1","6","1") = "5"
    & skf21("2","5","1","6","3","1","7","1") = "6"
    & skf21("2","5","1","6","3","2","1","1") = "5"
    & skf21("2","5","1","6","3","2","2","1") = "5"
    & skf21("2","5","1","6","3","2","3","1") = "5"
    & skf21("2","5","1","6","3","2","4","1") = "5"
    & skf21("2","5","1","6","3","2","5","1") = "5"
    & skf21("2","5","1","6","3","2","6","1") = "5"
    & skf21("2","5","1","6","3","2","7","1") = "6"
    & skf21("2","5","1","6","3","3","1","1") = "5"
    & skf21("2","5","1","6","3","3","2","1") = "5"
    & skf21("2","5","1","6","3","3","3","1") = "5"
    & skf21("2","5","1","6","3","3","4","1") = "5"
    & skf21("2","5","1","6","3","3","5","1") = "5"
    & skf21("2","5","1","6","3","3","6","1") = "5"
    & skf21("2","5","1","6","3","3","7","1") = "6"
    & skf21("2","5","1","6","3","4","1","1") = "5"
    & skf21("2","5","1","6","3","4","2","1") = "5"
    & skf21("2","5","1","6","3","4","3","1") = "5"
    & skf21("2","5","1","6","3","4","4","1") = "5"
    & skf21("2","5","1","6","3","4","5","1") = "5"
    & skf21("2","5","1","6","3","4","6","1") = "5"
    & skf21("2","5","1","6","3","4","7","1") = "6"
    & skf21("2","5","1","6","3","5","1","1") = "5"
    & skf21("2","5","1","6","3","5","2","1") = "5"
    & skf21("2","5","1","6","3","5","3","1") = "5"
    & skf21("2","5","1","6","3","5","4","1") = "5"
    & skf21("2","5","1","6","3","5","5","1") = "5"
    & skf21("2","5","1","6","3","5","6","1") = "5"
    & skf21("2","5","1","6","3","5","7","1") = "6"
    & skf21("2","5","1","6","3","6","1","1") = "5"
    & skf21("2","5","1","6","3","6","2","1") = "5"
    & skf21("2","5","1","6","3","6","3","1") = "5"
    & skf21("2","5","1","6","3","6","4","1") = "5"
    & skf21("2","5","1","6","3","6","5","1") = "5"
    & skf21("2","5","1","6","3","6","6","1") = "5"
    & skf21("2","5","1","6","3","6","7","1") = "6"
    & skf21("2","5","1","6","3","7","1","1") = "6"
    & skf21("2","5","1","6","3","7","2","1") = "6"
    & skf21("2","5","1","6","3","7","3","1") = "6"
    & skf21("2","5","1","6","3","7","4","1") = "6"
    & skf21("2","5","1","6","3","7","5","1") = "6"
    & skf21("2","5","1","6","3","7","6","1") = "6"
    & skf21("2","5","1","6","3","7","7","1") = "6"
    & skf21("2","5","1","6","4","1","1","1") = "5"
    & skf21("2","5","1","6","4","1","2","1") = "5"
    & skf21("2","5","1","6","4","1","3","1") = "5"
    & skf21("2","5","1","6","4","1","4","1") = "5"
    & skf21("2","5","1","6","4","1","5","1") = "5"
    & skf21("2","5","1","6","4","1","6","1") = "5"
    & skf21("2","5","1","6","4","1","7","1") = "6"
    & skf21("2","5","1","6","4","2","1","1") = "5"
    & skf21("2","5","1","6","4","2","2","1") = "5"
    & skf21("2","5","1","6","4","2","3","1") = "5"
    & skf21("2","5","1","6","4","2","4","1") = "5"
    & skf21("2","5","1","6","4","2","5","1") = "5"
    & skf21("2","5","1","6","4","2","6","1") = "5"
    & skf21("2","5","1","6","4","2","7","1") = "6"
    & skf21("2","5","1","6","4","3","1","1") = "5"
    & skf21("2","5","1","6","4","3","2","1") = "5"
    & skf21("2","5","1","6","4","3","3","1") = "5"
    & skf21("2","5","1","6","4","3","4","1") = "5"
    & skf21("2","5","1","6","4","3","5","1") = "5"
    & skf21("2","5","1","6","4","3","6","1") = "5"
    & skf21("2","5","1","6","4","3","7","1") = "6"
    & skf21("2","5","1","6","4","4","1","1") = "5"
    & skf21("2","5","1","6","4","4","2","1") = "5"
    & skf21("2","5","1","6","4","4","3","1") = "5"
    & skf21("2","5","1","6","4","4","4","1") = "5"
    & skf21("2","5","1","6","4","4","5","1") = "5"
    & skf21("2","5","1","6","4","4","6","1") = "5"
    & skf21("2","5","1","6","4","4","7","1") = "6"
    & skf21("2","5","1","6","4","5","1","1") = "5"
    & skf21("2","5","1","6","4","5","2","1") = "5"
    & skf21("2","5","1","6","4","5","3","1") = "5"
    & skf21("2","5","1","6","4","5","4","1") = "5"
    & skf21("2","5","1","6","4","5","5","1") = "5"
    & skf21("2","5","1","6","4","5","6","1") = "5"
    & skf21("2","5","1","6","4","5","7","1") = "6"
    & skf21("2","5","1","6","4","6","1","1") = "5"
    & skf21("2","5","1","6","4","6","2","1") = "5"
    & skf21("2","5","1","6","4","6","3","1") = "5"
    & skf21("2","5","1","6","4","6","4","1") = "5"
    & skf21("2","5","1","6","4","6","5","1") = "5"
    & skf21("2","5","1","6","4","6","6","1") = "5"
    & skf21("2","5","1","6","4","6","7","1") = "6"
    & skf21("2","5","1","6","4","7","1","1") = "6"
    & skf21("2","5","1","6","4","7","2","1") = "6"
    & skf21("2","5","1","6","4","7","3","1") = "6"
    & skf21("2","5","1","6","4","7","4","1") = "6"
    & skf21("2","5","1","6","4","7","5","1") = "6"
    & skf21("2","5","1","6","4","7","6","1") = "6"
    & skf21("2","5","1","6","4","7","7","1") = "6"
    & skf21("2","5","1","6","5","1","1","1") = "5"
    & skf21("2","5","1","6","5","1","2","1") = "5"
    & skf21("2","5","1","6","5","1","3","1") = "5"
    & skf21("2","5","1","6","5","1","4","1") = "5"
    & skf21("2","5","1","6","5","1","5","1") = "5"
    & skf21("2","5","1","6","5","1","6","1") = "5"
    & skf21("2","5","1","6","5","1","7","1") = "6"
    & skf21("2","5","1","6","5","2","1","1") = "5"
    & skf21("2","5","1","6","5","2","2","1") = "5"
    & skf21("2","5","1","6","5","2","3","1") = "5"
    & skf21("2","5","1","6","5","2","4","1") = "5"
    & skf21("2","5","1","6","5","2","5","1") = "5"
    & skf21("2","5","1","6","5","2","6","1") = "5"
    & skf21("2","5","1","6","5","2","7","1") = "6"
    & skf21("2","5","1","6","5","3","1","1") = "5"
    & skf21("2","5","1","6","5","3","2","1") = "5"
    & skf21("2","5","1","6","5","3","3","1") = "5"
    & skf21("2","5","1","6","5","3","4","1") = "5"
    & skf21("2","5","1","6","5","3","5","1") = "5"
    & skf21("2","5","1","6","5","3","6","1") = "5"
    & skf21("2","5","1","6","5","3","7","1") = "6"
    & skf21("2","5","1","6","5","4","1","1") = "5"
    & skf21("2","5","1","6","5","4","2","1") = "5"
    & skf21("2","5","1","6","5","4","3","1") = "5"
    & skf21("2","5","1","6","5","4","4","1") = "5"
    & skf21("2","5","1","6","5","4","5","1") = "5"
    & skf21("2","5","1","6","5","4","6","1") = "5"
    & skf21("2","5","1","6","5","4","7","1") = "6"
    & skf21("2","5","1","6","5","5","1","1") = "5"
    & skf21("2","5","1","6","5","5","2","1") = "5"
    & skf21("2","5","1","6","5","5","3","1") = "5"
    & skf21("2","5","1","6","5","5","4","1") = "5"
    & skf21("2","5","1","6","5","5","5","1") = "5"
    & skf21("2","5","1","6","5","5","6","1") = "5"
    & skf21("2","5","1","6","5","5","7","1") = "6"
    & skf21("2","5","1","6","5","6","1","1") = "5"
    & skf21("2","5","1","6","5","6","2","1") = "5"
    & skf21("2","5","1","6","5","6","3","1") = "5"
    & skf21("2","5","1","6","5","6","4","1") = "5"
    & skf21("2","5","1","6","5","6","5","1") = "5"
    & skf21("2","5","1","6","5","6","6","1") = "5"
    & skf21("2","5","1","6","5","6","7","1") = "6"
    & skf21("2","5","1","6","5","7","1","1") = "6"
    & skf21("2","5","1","6","5","7","2","1") = "6"
    & skf21("2","5","1","6","5","7","3","1") = "6"
    & skf21("2","5","1","6","5","7","4","1") = "6"
    & skf21("2","5","1","6","5","7","5","1") = "6"
    & skf21("2","5","1","6","5","7","6","1") = "6"
    & skf21("2","5","1","6","5","7","7","1") = "6"
    & skf21("2","5","1","6","6","1","1","1") = "5"
    & skf21("2","5","1","6","6","1","2","1") = "5"
    & skf21("2","5","1","6","6","1","3","1") = "5"
    & skf21("2","5","1","6","6","1","4","1") = "5"
    & skf21("2","5","1","6","6","1","5","1") = "5"
    & skf21("2","5","1","6","6","1","6","1") = "5"
    & skf21("2","5","1","6","6","1","7","1") = "6"
    & skf21("2","5","1","6","6","2","1","1") = "5"
    & skf21("2","5","1","6","6","2","2","1") = "5"
    & skf21("2","5","1","6","6","2","3","1") = "5"
    & skf21("2","5","1","6","6","2","4","1") = "5"
    & skf21("2","5","1","6","6","2","5","1") = "5"
    & skf21("2","5","1","6","6","2","6","1") = "5"
    & skf21("2","5","1","6","6","2","7","1") = "6"
    & skf21("2","5","1","6","6","3","1","1") = "5"
    & skf21("2","5","1","6","6","3","2","1") = "5"
    & skf21("2","5","1","6","6","3","3","1") = "5"
    & skf21("2","5","1","6","6","3","4","1") = "5"
    & skf21("2","5","1","6","6","3","5","1") = "5"
    & skf21("2","5","1","6","6","3","6","1") = "5"
    & skf21("2","5","1","6","6","3","7","1") = "6"
    & skf21("2","5","1","6","6","4","1","1") = "5"
    & skf21("2","5","1","6","6","4","2","1") = "5"
    & skf21("2","5","1","6","6","4","3","1") = "5"
    & skf21("2","5","1","6","6","4","4","1") = "5"
    & skf21("2","5","1","6","6","4","5","1") = "5"
    & skf21("2","5","1","6","6","4","6","1") = "5"
    & skf21("2","5","1","6","6","4","7","1") = "6"
    & skf21("2","5","1","6","6","5","1","1") = "5"
    & skf21("2","5","1","6","6","5","2","1") = "5"
    & skf21("2","5","1","6","6","5","3","1") = "5"
    & skf21("2","5","1","6","6","5","4","1") = "5"
    & skf21("2","5","1","6","6","5","5","1") = "5"
    & skf21("2","5","1","6","6","5","6","1") = "5"
    & skf21("2","5","1","6","6","5","7","1") = "6"
    & skf21("2","5","1","6","6","6","1","1") = "5"
    & skf21("2","5","1","6","6","6","2","1") = "5"
    & skf21("2","5","1","6","6","6","3","1") = "5"
    & skf21("2","5","1","6","6","6","4","1") = "5"
    & skf21("2","5","1","6","6","6","5","1") = "5"
    & skf21("2","5","1","6","6","6","6","1") = "5"
    & skf21("2","5","1","6","6","6","7","1") = "6"
    & skf21("2","5","1","6","6","7","1","1") = "6"
    & skf21("2","5","1","6","6","7","2","1") = "6"
    & skf21("2","5","1","6","6","7","3","1") = "6"
    & skf21("2","5","1","6","6","7","4","1") = "6"
    & skf21("2","5","1","6","6","7","5","1") = "6"
    & skf21("2","5","1","6","6","7","6","1") = "6"
    & skf21("2","5","1","6","6","7","7","1") = "6"
    & skf21("2","5","1","6","7","1","1","1") = "6"
    & skf21("2","5","1","6","7","1","2","1") = "6"
    & skf21("2","5","1","6","7","1","3","1") = "6"
    & skf21("2","5","1","6","7","1","4","1") = "6"
    & skf21("2","5","1","6","7","1","5","1") = "6"
    & skf21("2","5","1","6","7","1","6","1") = "6"
    & skf21("2","5","1","6","7","1","7","1") = "6"
    & skf21("2","5","1","6","7","2","1","1") = "6"
    & skf21("2","5","1","6","7","2","2","1") = "6"
    & skf21("2","5","1","6","7","2","3","1") = "6"
    & skf21("2","5","1","6","7","2","4","1") = "6"
    & skf21("2","5","1","6","7","2","5","1") = "6"
    & skf21("2","5","1","6","7","2","6","1") = "6"
    & skf21("2","5","1","6","7","2","7","1") = "6"
    & skf21("2","5","1","6","7","3","1","1") = "6"
    & skf21("2","5","1","6","7","3","2","1") = "6"
    & skf21("2","5","1","6","7","3","3","1") = "6"
    & skf21("2","5","1","6","7","3","4","1") = "6"
    & skf21("2","5","1","6","7","3","5","1") = "6"
    & skf21("2","5","1","6","7","3","6","1") = "6"
    & skf21("2","5","1","6","7","3","7","1") = "6"
    & skf21("2","5","1","6","7","4","1","1") = "6"
    & skf21("2","5","1","6","7","4","2","1") = "6"
    & skf21("2","5","1","6","7","4","3","1") = "6"
    & skf21("2","5","1","6","7","4","4","1") = "6"
    & skf21("2","5","1","6","7","4","5","1") = "6"
    & skf21("2","5","1","6","7","4","6","1") = "6"
    & skf21("2","5","1","6","7","4","7","1") = "6"
    & skf21("2","5","1","6","7","5","1","1") = "6"
    & skf21("2","5","1","6","7","5","2","1") = "6"
    & skf21("2","5","1","6","7","5","3","1") = "6"
    & skf21("2","5","1","6","7","5","4","1") = "6"
    & skf21("2","5","1","6","7","5","5","1") = "6"
    & skf21("2","5","1","6","7","5","6","1") = "6"
    & skf21("2","5","1","6","7","5","7","1") = "6"
    & skf21("2","5","1","6","7","6","1","1") = "6"
    & skf21("2","5","1","6","7","6","2","1") = "6"
    & skf21("2","5","1","6","7","6","3","1") = "6"
    & skf21("2","5","1","6","7","6","4","1") = "6"
    & skf21("2","5","1","6","7","6","5","1") = "6"
    & skf21("2","5","1","6","7","6","6","1") = "6"
    & skf21("2","5","1","6","7","6","7","1") = "6"
    & skf21("2","5","1","6","7","7","1","1") = "6"
    & skf21("2","5","1","6","7","7","2","1") = "6"
    & skf21("2","5","1","6","7","7","3","1") = "6"
    & skf21("2","5","1","6","7","7","4","1") = "6"
    & skf21("2","5","1","6","7","7","5","1") = "6"
    & skf21("2","5","1","6","7","7","6","1") = "6"
    & skf21("2","5","1","6","7","7","7","1") = "6"
    & skf21("2","5","1","7","1","1","1","1") = "6"
    & skf21("2","5","1","7","1","1","2","1") = "6"
    & skf21("2","5","1","7","1","1","3","1") = "6"
    & skf21("2","5","1","7","1","1","4","1") = "6"
    & skf21("2","5","1","7","1","1","5","1") = "6"
    & skf21("2","5","1","7","1","1","6","1") = "6"
    & skf21("2","5","1","7","1","1","7","1") = "6"
    & skf21("2","5","1","7","1","2","1","1") = "6"
    & skf21("2","5","1","7","1","2","2","1") = "6"
    & skf21("2","5","1","7","1","2","3","1") = "6"
    & skf21("2","5","1","7","1","2","4","1") = "6"
    & skf21("2","5","1","7","1","2","5","1") = "6"
    & skf21("2","5","1","7","1","2","6","1") = "6"
    & skf21("2","5","1","7","1","2","7","1") = "6"
    & skf21("2","5","1","7","1","3","1","1") = "6"
    & skf21("2","5","1","7","1","3","2","1") = "6"
    & skf21("2","5","1","7","1","3","3","1") = "6"
    & skf21("2","5","1","7","1","3","4","1") = "6"
    & skf21("2","5","1","7","1","3","5","1") = "6"
    & skf21("2","5","1","7","1","3","6","1") = "6"
    & skf21("2","5","1","7","1","3","7","1") = "6"
    & skf21("2","5","1","7","1","4","1","1") = "6"
    & skf21("2","5","1","7","1","4","2","1") = "6"
    & skf21("2","5","1","7","1","4","3","1") = "6"
    & skf21("2","5","1","7","1","4","4","1") = "6"
    & skf21("2","5","1","7","1","4","5","1") = "6"
    & skf21("2","5","1","7","1","4","6","1") = "6"
    & skf21("2","5","1","7","1","4","7","1") = "6"
    & skf21("2","5","1","7","1","5","1","1") = "6"
    & skf21("2","5","1","7","1","5","2","1") = "6"
    & skf21("2","5","1","7","1","5","3","1") = "6"
    & skf21("2","5","1","7","1","5","4","1") = "6"
    & skf21("2","5","1","7","1","5","5","1") = "6"
    & skf21("2","5","1","7","1","5","6","1") = "6"
    & skf21("2","5","1","7","1","5","7","1") = "6"
    & skf21("2","5","1","7","1","6","1","1") = "6"
    & skf21("2","5","1","7","1","6","2","1") = "6"
    & skf21("2","5","1","7","1","6","3","1") = "6"
    & skf21("2","5","1","7","1","6","4","1") = "6"
    & skf21("2","5","1","7","1","6","5","1") = "6"
    & skf21("2","5","1","7","1","6","6","1") = "6"
    & skf21("2","5","1","7","1","6","7","1") = "6"
    & skf21("2","5","1","7","1","7","1","1") = "6"
    & skf21("2","5","1","7","1","7","2","1") = "6"
    & skf21("2","5","1","7","1","7","3","1") = "6"
    & skf21("2","5","1","7","1","7","4","1") = "6"
    & skf21("2","5","1","7","1","7","5","1") = "6"
    & skf21("2","5","1","7","1","7","6","1") = "6"
    & skf21("2","5","1","7","1","7","7","1") = "6"
    & skf21("2","5","1","7","2","1","1","1") = "6"
    & skf21("2","5","1","7","2","1","2","1") = "6"
    & skf21("2","5","1","7","2","1","3","1") = "6"
    & skf21("2","5","1","7","2","1","4","1") = "6"
    & skf21("2","5","1","7","2","1","5","1") = "6"
    & skf21("2","5","1","7","2","1","6","1") = "6"
    & skf21("2","5","1","7","2","1","7","1") = "6"
    & skf21("2","5","1","7","2","2","1","1") = "6"
    & skf21("2","5","1","7","2","2","2","1") = "6"
    & skf21("2","5","1","7","2","2","3","1") = "6"
    & skf21("2","5","1","7","2","2","4","1") = "6"
    & skf21("2","5","1","7","2","2","5","1") = "6"
    & skf21("2","5","1","7","2","2","6","1") = "6"
    & skf21("2","5","1","7","2","2","7","1") = "6"
    & skf21("2","5","1","7","2","3","1","1") = "6"
    & skf21("2","5","1","7","2","3","2","1") = "6"
    & skf21("2","5","1","7","2","3","3","1") = "6"
    & skf21("2","5","1","7","2","3","4","1") = "6"
    & skf21("2","5","1","7","2","3","5","1") = "6"
    & skf21("2","5","1","7","2","3","6","1") = "6"
    & skf21("2","5","1","7","2","3","7","1") = "6"
    & skf21("2","5","1","7","2","4","1","1") = "6"
    & skf21("2","5","1","7","2","4","2","1") = "6"
    & skf21("2","5","1","7","2","4","3","1") = "6"
    & skf21("2","5","1","7","2","4","4","1") = "6"
    & skf21("2","5","1","7","2","4","5","1") = "6"
    & skf21("2","5","1","7","2","4","6","1") = "6"
    & skf21("2","5","1","7","2","4","7","1") = "6"
    & skf21("2","5","1","7","2","5","1","1") = "6"
    & skf21("2","5","1","7","2","5","2","1") = "6"
    & skf21("2","5","1","7","2","5","3","1") = "6"
    & skf21("2","5","1","7","2","5","4","1") = "6"
    & skf21("2","5","1","7","2","5","5","1") = "6"
    & skf21("2","5","1","7","2","5","6","1") = "6"
    & skf21("2","5","1","7","2","5","7","1") = "6"
    & skf21("2","5","1","7","2","6","1","1") = "6"
    & skf21("2","5","1","7","2","6","2","1") = "6"
    & skf21("2","5","1","7","2","6","3","1") = "6"
    & skf21("2","5","1","7","2","6","4","1") = "6"
    & skf21("2","5","1","7","2","6","5","1") = "6"
    & skf21("2","5","1","7","2","6","6","1") = "6"
    & skf21("2","5","1","7","2","6","7","1") = "6"
    & skf21("2","5","1","7","2","7","1","1") = "6"
    & skf21("2","5","1","7","2","7","2","1") = "6"
    & skf21("2","5","1","7","2","7","3","1") = "6"
    & skf21("2","5","1","7","2","7","4","1") = "6"
    & skf21("2","5","1","7","2","7","5","1") = "6"
    & skf21("2","5","1","7","2","7","6","1") = "6"
    & skf21("2","5","1","7","2","7","7","1") = "6"
    & skf21("2","5","1","7","3","1","1","1") = "6"
    & skf21("2","5","1","7","3","1","2","1") = "6"
    & skf21("2","5","1","7","3","1","3","1") = "6"
    & skf21("2","5","1","7","3","1","4","1") = "6"
    & skf21("2","5","1","7","3","1","5","1") = "6"
    & skf21("2","5","1","7","3","1","6","1") = "6"
    & skf21("2","5","1","7","3","1","7","1") = "6"
    & skf21("2","5","1","7","3","2","1","1") = "6"
    & skf21("2","5","1","7","3","2","2","1") = "6"
    & skf21("2","5","1","7","3","2","3","1") = "6"
    & skf21("2","5","1","7","3","2","4","1") = "6"
    & skf21("2","5","1","7","3","2","5","1") = "6"
    & skf21("2","5","1","7","3","2","6","1") = "6"
    & skf21("2","5","1","7","3","2","7","1") = "6"
    & skf21("2","5","1","7","3","3","1","1") = "6"
    & skf21("2","5","1","7","3","3","2","1") = "6"
    & skf21("2","5","1","7","3","3","3","1") = "6"
    & skf21("2","5","1","7","3","3","4","1") = "6"
    & skf21("2","5","1","7","3","3","5","1") = "6"
    & skf21("2","5","1","7","3","3","6","1") = "6"
    & skf21("2","5","1","7","3","3","7","1") = "6"
    & skf21("2","5","1","7","3","4","1","1") = "6"
    & skf21("2","5","1","7","3","4","2","1") = "6"
    & skf21("2","5","1","7","3","4","3","1") = "6"
    & skf21("2","5","1","7","3","4","4","1") = "6"
    & skf21("2","5","1","7","3","4","5","1") = "6"
    & skf21("2","5","1","7","3","4","6","1") = "6"
    & skf21("2","5","1","7","3","4","7","1") = "6"
    & skf21("2","5","1","7","3","5","1","1") = "6"
    & skf21("2","5","1","7","3","5","2","1") = "6"
    & skf21("2","5","1","7","3","5","3","1") = "6"
    & skf21("2","5","1","7","3","5","4","1") = "6"
    & skf21("2","5","1","7","3","5","5","1") = "6"
    & skf21("2","5","1","7","3","5","6","1") = "6"
    & skf21("2","5","1","7","3","5","7","1") = "6"
    & skf21("2","5","1","7","3","6","1","1") = "6"
    & skf21("2","5","1","7","3","6","2","1") = "6"
    & skf21("2","5","1","7","3","6","3","1") = "6"
    & skf21("2","5","1","7","3","6","4","1") = "6"
    & skf21("2","5","1","7","3","6","5","1") = "6"
    & skf21("2","5","1","7","3","6","6","1") = "6"
    & skf21("2","5","1","7","3","6","7","1") = "6"
    & skf21("2","5","1","7","3","7","1","1") = "6"
    & skf21("2","5","1","7","3","7","2","1") = "6"
    & skf21("2","5","1","7","3","7","3","1") = "6"
    & skf21("2","5","1","7","3","7","4","1") = "6"
    & skf21("2","5","1","7","3","7","5","1") = "6"
    & skf21("2","5","1","7","3","7","6","1") = "6"
    & skf21("2","5","1","7","3","7","7","1") = "6"
    & skf21("2","5","1","7","4","1","1","1") = "6"
    & skf21("2","5","1","7","4","1","2","1") = "6"
    & skf21("2","5","1","7","4","1","3","1") = "6"
    & skf21("2","5","1","7","4","1","4","1") = "6"
    & skf21("2","5","1","7","4","1","5","1") = "6"
    & skf21("2","5","1","7","4","1","6","1") = "6"
    & skf21("2","5","1","7","4","1","7","1") = "6"
    & skf21("2","5","1","7","4","2","1","1") = "6"
    & skf21("2","5","1","7","4","2","2","1") = "6"
    & skf21("2","5","1","7","4","2","3","1") = "6"
    & skf21("2","5","1","7","4","2","4","1") = "6"
    & skf21("2","5","1","7","4","2","5","1") = "6"
    & skf21("2","5","1","7","4","2","6","1") = "6"
    & skf21("2","5","1","7","4","2","7","1") = "6"
    & skf21("2","5","1","7","4","3","1","1") = "6"
    & skf21("2","5","1","7","4","3","2","1") = "6"
    & skf21("2","5","1","7","4","3","3","1") = "6"
    & skf21("2","5","1","7","4","3","4","1") = "6"
    & skf21("2","5","1","7","4","3","5","1") = "6"
    & skf21("2","5","1","7","4","3","6","1") = "6"
    & skf21("2","5","1","7","4","3","7","1") = "6"
    & skf21("2","5","1","7","4","4","1","1") = "6"
    & skf21("2","5","1","7","4","4","2","1") = "6"
    & skf21("2","5","1","7","4","4","3","1") = "6"
    & skf21("2","5","1","7","4","4","4","1") = "6"
    & skf21("2","5","1","7","4","4","5","1") = "6"
    & skf21("2","5","1","7","4","4","6","1") = "6"
    & skf21("2","5","1","7","4","4","7","1") = "6"
    & skf21("2","5","1","7","4","5","1","1") = "6"
    & skf21("2","5","1","7","4","5","2","1") = "6"
    & skf21("2","5","1","7","4","5","3","1") = "6"
    & skf21("2","5","1","7","4","5","4","1") = "6"
    & skf21("2","5","1","7","4","5","5","1") = "6"
    & skf21("2","5","1","7","4","5","6","1") = "6"
    & skf21("2","5","1","7","4","5","7","1") = "6"
    & skf21("2","5","1","7","4","6","1","1") = "6"
    & skf21("2","5","1","7","4","6","2","1") = "6"
    & skf21("2","5","1","7","4","6","3","1") = "6"
    & skf21("2","5","1","7","4","6","4","1") = "6"
    & skf21("2","5","1","7","4","6","5","1") = "6"
    & skf21("2","5","1","7","4","6","6","1") = "6"
    & skf21("2","5","1","7","4","6","7","1") = "6"
    & skf21("2","5","1","7","4","7","1","1") = "6"
    & skf21("2","5","1","7","4","7","2","1") = "6"
    & skf21("2","5","1","7","4","7","3","1") = "6"
    & skf21("2","5","1","7","4","7","4","1") = "6"
    & skf21("2","5","1","7","4","7","5","1") = "6"
    & skf21("2","5","1","7","4","7","6","1") = "6"
    & skf21("2","5","1","7","4","7","7","1") = "6"
    & skf21("2","5","1","7","5","1","1","1") = "6"
    & skf21("2","5","1","7","5","1","2","1") = "6"
    & skf21("2","5","1","7","5","1","3","1") = "6"
    & skf21("2","5","1","7","5","1","4","1") = "6"
    & skf21("2","5","1","7","5","1","5","1") = "6"
    & skf21("2","5","1","7","5","1","6","1") = "6"
    & skf21("2","5","1","7","5","1","7","1") = "6"
    & skf21("2","5","1","7","5","2","1","1") = "6"
    & skf21("2","5","1","7","5","2","2","1") = "6"
    & skf21("2","5","1","7","5","2","3","1") = "6"
    & skf21("2","5","1","7","5","2","4","1") = "6"
    & skf21("2","5","1","7","5","2","5","1") = "6"
    & skf21("2","5","1","7","5","2","6","1") = "6"
    & skf21("2","5","1","7","5","2","7","1") = "6"
    & skf21("2","5","1","7","5","3","1","1") = "6"
    & skf21("2","5","1","7","5","3","2","1") = "6"
    & skf21("2","5","1","7","5","3","3","1") = "6"
    & skf21("2","5","1","7","5","3","4","1") = "6"
    & skf21("2","5","1","7","5","3","5","1") = "6"
    & skf21("2","5","1","7","5","3","6","1") = "6"
    & skf21("2","5","1","7","5","3","7","1") = "6"
    & skf21("2","5","1","7","5","4","1","1") = "6"
    & skf21("2","5","1","7","5","4","2","1") = "6"
    & skf21("2","5","1","7","5","4","3","1") = "6"
    & skf21("2","5","1","7","5","4","4","1") = "6"
    & skf21("2","5","1","7","5","4","5","1") = "6"
    & skf21("2","5","1","7","5","4","6","1") = "6"
    & skf21("2","5","1","7","5","4","7","1") = "6"
    & skf21("2","5","1","7","5","5","1","1") = "6"
    & skf21("2","5","1","7","5","5","2","1") = "6"
    & skf21("2","5","1","7","5","5","3","1") = "6"
    & skf21("2","5","1","7","5","5","4","1") = "6"
    & skf21("2","5","1","7","5","5","5","1") = "6"
    & skf21("2","5","1","7","5","5","6","1") = "6"
    & skf21("2","5","1","7","5","5","7","1") = "6"
    & skf21("2","5","1","7","5","6","1","1") = "6"
    & skf21("2","5","1","7","5","6","2","1") = "6"
    & skf21("2","5","1","7","5","6","3","1") = "6"
    & skf21("2","5","1","7","5","6","4","1") = "6"
    & skf21("2","5","1","7","5","6","5","1") = "6"
    & skf21("2","5","1","7","5","6","6","1") = "6"
    & skf21("2","5","1","7","5","6","7","1") = "6"
    & skf21("2","5","1","7","5","7","1","1") = "6"
    & skf21("2","5","1","7","5","7","2","1") = "6"
    & skf21("2","5","1","7","5","7","3","1") = "6"
    & skf21("2","5","1","7","5","7","4","1") = "6"
    & skf21("2","5","1","7","5","7","5","1") = "6"
    & skf21("2","5","1","7","5","7","6","1") = "6"
    & skf21("2","5","1","7","5","7","7","1") = "6"
    & skf21("2","5","1","7","6","1","1","1") = "6"
    & skf21("2","5","1","7","6","1","2","1") = "6"
    & skf21("2","5","1","7","6","1","3","1") = "6"
    & skf21("2","5","1","7","6","1","4","1") = "6"
    & skf21("2","5","1","7","6","1","5","1") = "6"
    & skf21("2","5","1","7","6","1","6","1") = "6"
    & skf21("2","5","1","7","6","1","7","1") = "6"
    & skf21("2","5","1","7","6","2","1","1") = "6"
    & skf21("2","5","1","7","6","2","2","1") = "6"
    & skf21("2","5","1","7","6","2","3","1") = "6"
    & skf21("2","5","1","7","6","2","4","1") = "6"
    & skf21("2","5","1","7","6","2","5","1") = "6"
    & skf21("2","5","1","7","6","2","6","1") = "6"
    & skf21("2","5","1","7","6","2","7","1") = "6"
    & skf21("2","5","1","7","6","3","1","1") = "6"
    & skf21("2","5","1","7","6","3","2","1") = "6"
    & skf21("2","5","1","7","6","3","3","1") = "6"
    & skf21("2","5","1","7","6","3","4","1") = "6"
    & skf21("2","5","1","7","6","3","5","1") = "6"
    & skf21("2","5","1","7","6","3","6","1") = "6"
    & skf21("2","5","1","7","6","3","7","1") = "6"
    & skf21("2","5","1","7","6","4","1","1") = "6"
    & skf21("2","5","1","7","6","4","2","1") = "6"
    & skf21("2","5","1","7","6","4","3","1") = "6"
    & skf21("2","5","1","7","6","4","4","1") = "6"
    & skf21("2","5","1","7","6","4","5","1") = "6"
    & skf21("2","5","1","7","6","4","6","1") = "6"
    & skf21("2","5","1","7","6","4","7","1") = "6"
    & skf21("2","5","1","7","6","5","1","1") = "6"
    & skf21("2","5","1","7","6","5","2","1") = "6"
    & skf21("2","5","1","7","6","5","3","1") = "6"
    & skf21("2","5","1","7","6","5","4","1") = "6"
    & skf21("2","5","1","7","6","5","5","1") = "6"
    & skf21("2","5","1","7","6","5","6","1") = "6"
    & skf21("2","5","1","7","6","5","7","1") = "6"
    & skf21("2","5","1","7","6","6","1","1") = "6"
    & skf21("2","5","1","7","6","6","2","1") = "6"
    & skf21("2","5","1","7","6","6","3","1") = "6"
    & skf21("2","5","1","7","6","6","4","1") = "6"
    & skf21("2","5","1","7","6","6","5","1") = "6"
    & skf21("2","5","1","7","6","6","6","1") = "6"
    & skf21("2","5","1","7","6","6","7","1") = "6"
    & skf21("2","5","1","7","6","7","1","1") = "6"
    & skf21("2","5","1","7","6","7","2","1") = "6"
    & skf21("2","5","1","7","6","7","3","1") = "6"
    & skf21("2","5","1","7","6","7","4","1") = "6"
    & skf21("2","5","1","7","6","7","5","1") = "6"
    & skf21("2","5","1","7","6","7","6","1") = "6"
    & skf21("2","5","1","7","6","7","7","1") = "6"
    & skf21("2","5","1","7","7","1","1","1") = "6"
    & skf21("2","5","1","7","7","1","2","1") = "6"
    & skf21("2","5","1","7","7","1","3","1") = "6"
    & skf21("2","5","1","7","7","1","4","1") = "6"
    & skf21("2","5","1","7","7","1","5","1") = "6"
    & skf21("2","5","1","7","7","1","6","1") = "6"
    & skf21("2","5","1","7","7","1","7","1") = "6"
    & skf21("2","5","1","7","7","2","1","1") = "6"
    & skf21("2","5","1","7","7","2","2","1") = "6"
    & skf21("2","5","1","7","7","2","3","1") = "6"
    & skf21("2","5","1","7","7","2","4","1") = "6"
    & skf21("2","5","1","7","7","2","5","1") = "6"
    & skf21("2","5","1","7","7","2","6","1") = "6"
    & skf21("2","5","1","7","7","2","7","1") = "6"
    & skf21("2","5","1","7","7","3","1","1") = "6"
    & skf21("2","5","1","7","7","3","2","1") = "6"
    & skf21("2","5","1","7","7","3","3","1") = "6"
    & skf21("2","5","1","7","7","3","4","1") = "6"
    & skf21("2","5","1","7","7","3","5","1") = "6"
    & skf21("2","5","1","7","7","3","6","1") = "6"
    & skf21("2","5","1","7","7","3","7","1") = "6"
    & skf21("2","5","1","7","7","4","1","1") = "6"
    & skf21("2","5","1","7","7","4","2","1") = "6"
    & skf21("2","5","1","7","7","4","3","1") = "6"
    & skf21("2","5","1","7","7","4","4","1") = "6"
    & skf21("2","5","1","7","7","4","5","1") = "6"
    & skf21("2","5","1","7","7","4","6","1") = "6"
    & skf21("2","5","1","7","7","4","7","1") = "6"
    & skf21("2","5","1","7","7","5","1","1") = "6"
    & skf21("2","5","1","7","7","5","2","1") = "6"
    & skf21("2","5","1","7","7","5","3","1") = "6"
    & skf21("2","5","1","7","7","5","4","1") = "6"
    & skf21("2","5","1","7","7","5","5","1") = "6"
    & skf21("2","5","1","7","7","5","6","1") = "6"
    & skf21("2","5","1","7","7","5","7","1") = "6"
    & skf21("2","5","1","7","7","6","1","1") = "6"
    & skf21("2","5","1","7","7","6","2","1") = "6"
    & skf21("2","5","1","7","7","6","3","1") = "6"
    & skf21("2","5","1","7","7","6","4","1") = "6"
    & skf21("2","5","1","7","7","6","5","1") = "6"
    & skf21("2","5","1","7","7","6","6","1") = "6"
    & skf21("2","5","1","7","7","6","7","1") = "6"
    & skf21("2","5","1","7","7","7","1","1") = "6"
    & skf21("2","5","1","7","7","7","2","1") = "6"
    & skf21("2","5","1","7","7","7","3","1") = "6"
    & skf21("2","5","1","7","7","7","4","1") = "6"
    & skf21("2","5","1","7","7","7","5","1") = "6"
    & skf21("2","5","1","7","7","7","6","1") = "6"
    & skf21("2","5","1","7","7","7","7","1") = "6"
    & skf21("2","5","2","1","1","1","1","1") = "4"
    & skf21("2","5","2","1","1","1","2","1") = "4"
    & skf21("2","5","2","1","1","1","3","1") = "4"
    & skf21("2","5","2","1","1","1","4","1") = "4"
    & skf21("2","5","2","1","1","1","5","1") = "4"
    & skf21("2","5","2","1","1","1","6","1") = "5"
    & skf21("2","5","2","1","1","1","7","1") = "6"
    & skf21("2","5","2","1","1","2","1","1") = "4"
    & skf21("2","5","2","1","1","2","2","1") = "4"
    & skf21("2","5","2","1","1","2","3","1") = "4"
    & skf21("2","5","2","1","1","2","4","1") = "4"
    & skf21("2","5","2","1","1","2","5","1") = "4"
    & skf21("2","5","2","1","1","2","6","1") = "5"
    & skf21("2","5","2","1","1","2","7","1") = "6"
    & skf21("2","5","2","1","1","3","1","1") = "4"
    & skf21("2","5","2","1","1","3","2","1") = "4"
    & skf21("2","5","2","1","1","3","3","1") = "4"
    & skf21("2","5","2","1","1","3","4","1") = "4"
    & skf21("2","5","2","1","1","3","5","1") = "4"
    & skf21("2","5","2","1","1","3","6","1") = "5"
    & skf21("2","5","2","1","1","3","7","1") = "6"
    & skf21("2","5","2","1","1","4","1","1") = "4"
    & skf21("2","5","2","1","1","4","2","1") = "4"
    & skf21("2","5","2","1","1","4","3","1") = "4"
    & skf21("2","5","2","1","1","4","4","1") = "4"
    & skf21("2","5","2","1","1","4","5","1") = "4"
    & skf21("2","5","2","1","1","4","6","1") = "5"
    & skf21("2","5","2","1","1","4","7","1") = "6"
    & skf21("2","5","2","1","1","5","1","1") = "4"
    & skf21("2","5","2","1","1","5","2","1") = "4"
    & skf21("2","5","2","1","1","5","3","1") = "4"
    & skf21("2","5","2","1","1","5","4","1") = "4"
    & skf21("2","5","2","1","1","5","5","1") = "4"
    & skf21("2","5","2","1","1","5","6","1") = "5"
    & skf21("2","5","2","1","1","5","7","1") = "6"
    & skf21("2","5","2","1","1","6","1","1") = "5"
    & skf21("2","5","2","1","1","6","2","1") = "5"
    & skf21("2","5","2","1","1","6","3","1") = "5"
    & skf21("2","5","2","1","1","6","4","1") = "5"
    & skf21("2","5","2","1","1","6","5","1") = "5"
    & skf21("2","5","2","1","1","6","6","1") = "5"
    & skf21("2","5","2","1","1","6","7","1") = "6"
    & skf21("2","5","2","1","1","7","1","1") = "6"
    & skf21("2","5","2","1","1","7","2","1") = "6"
    & skf21("2","5","2","1","1","7","3","1") = "6"
    & skf21("2","5","2","1","1","7","4","1") = "6"
    & skf21("2","5","2","1","1","7","5","1") = "6"
    & skf21("2","5","2","1","1","7","6","1") = "6"
    & skf21("2","5","2","1","1","7","7","1") = "6"
    & skf21("2","5","2","1","2","1","1","1") = "4"
    & skf21("2","5","2","1","2","1","2","1") = "4"
    & skf21("2","5","2","1","2","1","3","1") = "4"
    & skf21("2","5","2","1","2","1","4","1") = "4"
    & skf21("2","5","2","1","2","1","5","1") = "4"
    & skf21("2","5","2","1","2","1","6","1") = "5"
    & skf21("2","5","2","1","2","1","7","1") = "6"
    & skf21("2","5","2","1","2","2","1","1") = "4"
    & skf21("2","5","2","1","2","2","2","1") = "4"
    & skf21("2","5","2","1","2","2","3","1") = "4"
    & skf21("2","5","2","1","2","2","4","1") = "4"
    & skf21("2","5","2","1","2","2","5","1") = "4"
    & skf21("2","5","2","1","2","2","6","1") = "5"
    & skf21("2","5","2","1","2","2","7","1") = "6"
    & skf21("2","5","2","1","2","3","1","1") = "4"
    & skf21("2","5","2","1","2","3","2","1") = "4"
    & skf21("2","5","2","1","2","3","3","1") = "4"
    & skf21("2","5","2","1","2","3","4","1") = "4"
    & skf21("2","5","2","1","2","3","5","1") = "4"
    & skf21("2","5","2","1","2","3","6","1") = "5"
    & skf21("2","5","2","1","2","3","7","1") = "6"
    & skf21("2","5","2","1","2","4","1","1") = "4"
    & skf21("2","5","2","1","2","4","2","1") = "4"
    & skf21("2","5","2","1","2","4","3","1") = "4"
    & skf21("2","5","2","1","2","4","4","1") = "4"
    & skf21("2","5","2","1","2","4","5","1") = "4"
    & skf21("2","5","2","1","2","4","6","1") = "5"
    & skf21("2","5","2","1","2","4","7","1") = "6"
    & skf21("2","5","2","1","2","5","1","1") = "4"
    & skf21("2","5","2","1","2","5","2","1") = "4"
    & skf21("2","5","2","1","2","5","3","1") = "4"
    & skf21("2","5","2","1","2","5","4","1") = "4"
    & skf21("2","5","2","1","2","5","5","1") = "4"
    & skf21("2","5","2","1","2","5","6","1") = "5"
    & skf21("2","5","2","1","2","5","7","1") = "6"
    & skf21("2","5","2","1","2","6","1","1") = "5"
    & skf21("2","5","2","1","2","6","2","1") = "5"
    & skf21("2","5","2","1","2","6","3","1") = "5"
    & skf21("2","5","2","1","2","6","4","1") = "5"
    & skf21("2","5","2","1","2","6","5","1") = "5"
    & skf21("2","5","2","1","2","6","6","1") = "5"
    & skf21("2","5","2","1","2","6","7","1") = "6"
    & skf21("2","5","2","1","2","7","1","1") = "6"
    & skf21("2","5","2","1","2","7","2","1") = "6"
    & skf21("2","5","2","1","2","7","3","1") = "6"
    & skf21("2","5","2","1","2","7","4","1") = "6"
    & skf21("2","5","2","1","2","7","5","1") = "6"
    & skf21("2","5","2","1","2","7","6","1") = "6"
    & skf21("2","5","2","1","2","7","7","1") = "6"
    & skf21("2","5","2","1","3","1","1","1") = "4"
    & skf21("2","5","2","1","3","1","2","1") = "4"
    & skf21("2","5","2","1","3","1","3","1") = "4"
    & skf21("2","5","2","1","3","1","4","1") = "4"
    & skf21("2","5","2","1","3","1","5","1") = "4"
    & skf21("2","5","2","1","3","1","6","1") = "5"
    & skf21("2","5","2","1","3","1","7","1") = "6"
    & skf21("2","5","2","1","3","2","1","1") = "4"
    & skf21("2","5","2","1","3","2","2","1") = "4"
    & skf21("2","5","2","1","3","2","3","1") = "4"
    & skf21("2","5","2","1","3","2","4","1") = "4"
    & skf21("2","5","2","1","3","2","5","1") = "4"
    & skf21("2","5","2","1","3","2","6","1") = "5"
    & skf21("2","5","2","1","3","2","7","1") = "6"
    & skf21("2","5","2","1","3","3","1","1") = "4"
    & skf21("2","5","2","1","3","3","2","1") = "4"
    & skf21("2","5","2","1","3","3","3","1") = "4"
    & skf21("2","5","2","1","3","3","4","1") = "4"
    & skf21("2","5","2","1","3","3","5","1") = "4"
    & skf21("2","5","2","1","3","3","6","1") = "5"
    & skf21("2","5","2","1","3","3","7","1") = "6"
    & skf21("2","5","2","1","3","4","1","1") = "4"
    & skf21("2","5","2","1","3","4","2","1") = "4"
    & skf21("2","5","2","1","3","4","3","1") = "4"
    & skf21("2","5","2","1","3","4","4","1") = "4"
    & skf21("2","5","2","1","3","4","5","1") = "4"
    & skf21("2","5","2","1","3","4","6","1") = "5"
    & skf21("2","5","2","1","3","4","7","1") = "6"
    & skf21("2","5","2","1","3","5","1","1") = "4"
    & skf21("2","5","2","1","3","5","2","1") = "4"
    & skf21("2","5","2","1","3","5","3","1") = "4"
    & skf21("2","5","2","1","3","5","4","1") = "4"
    & skf21("2","5","2","1","3","5","5","1") = "4"
    & skf21("2","5","2","1","3","5","6","1") = "5"
    & skf21("2","5","2","1","3","5","7","1") = "6"
    & skf21("2","5","2","1","3","6","1","1") = "5"
    & skf21("2","5","2","1","3","6","2","1") = "5"
    & skf21("2","5","2","1","3","6","3","1") = "5"
    & skf21("2","5","2","1","3","6","4","1") = "5"
    & skf21("2","5","2","1","3","6","5","1") = "5"
    & skf21("2","5","2","1","3","6","6","1") = "5"
    & skf21("2","5","2","1","3","6","7","1") = "6"
    & skf21("2","5","2","1","3","7","1","1") = "6"
    & skf21("2","5","2","1","3","7","2","1") = "6"
    & skf21("2","5","2","1","3","7","3","1") = "6"
    & skf21("2","5","2","1","3","7","4","1") = "6"
    & skf21("2","5","2","1","3","7","5","1") = "6"
    & skf21("2","5","2","1","3","7","6","1") = "6"
    & skf21("2","5","2","1","3","7","7","1") = "6"
    & skf21("2","5","2","1","4","1","1","1") = "4"
    & skf21("2","5","2","1","4","1","2","1") = "4"
    & skf21("2","5","2","1","4","1","3","1") = "4"
    & skf21("2","5","2","1","4","1","4","1") = "4"
    & skf21("2","5","2","1","4","1","5","1") = "4"
    & skf21("2","5","2","1","4","1","6","1") = "5"
    & skf21("2","5","2","1","4","1","7","1") = "6"
    & skf21("2","5","2","1","4","2","1","1") = "4"
    & skf21("2","5","2","1","4","2","2","1") = "4"
    & skf21("2","5","2","1","4","2","3","1") = "4"
    & skf21("2","5","2","1","4","2","4","1") = "4"
    & skf21("2","5","2","1","4","2","5","1") = "4"
    & skf21("2","5","2","1","4","2","6","1") = "5"
    & skf21("2","5","2","1","4","2","7","1") = "6"
    & skf21("2","5","2","1","4","3","1","1") = "4"
    & skf21("2","5","2","1","4","3","2","1") = "4"
    & skf21("2","5","2","1","4","3","3","1") = "4"
    & skf21("2","5","2","1","4","3","4","1") = "4"
    & skf21("2","5","2","1","4","3","5","1") = "4"
    & skf21("2","5","2","1","4","3","6","1") = "5"
    & skf21("2","5","2","1","4","3","7","1") = "6"
    & skf21("2","5","2","1","4","4","1","1") = "4"
    & skf21("2","5","2","1","4","4","2","1") = "4"
    & skf21("2","5","2","1","4","4","3","1") = "4"
    & skf21("2","5","2","1","4","4","4","1") = "4"
    & skf21("2","5","2","1","4","4","5","1") = "4"
    & skf21("2","5","2","1","4","4","6","1") = "5"
    & skf21("2","5","2","1","4","4","7","1") = "6"
    & skf21("2","5","2","1","4","5","1","1") = "4"
    & skf21("2","5","2","1","4","5","2","1") = "4"
    & skf21("2","5","2","1","4","5","3","1") = "4"
    & skf21("2","5","2","1","4","5","4","1") = "4"
    & skf21("2","5","2","1","4","5","5","1") = "4"
    & skf21("2","5","2","1","4","5","6","1") = "5"
    & skf21("2","5","2","1","4","5","7","1") = "6"
    & skf21("2","5","2","1","4","6","1","1") = "5"
    & skf21("2","5","2","1","4","6","2","1") = "5"
    & skf21("2","5","2","1","4","6","3","1") = "5"
    & skf21("2","5","2","1","4","6","4","1") = "5"
    & skf21("2","5","2","1","4","6","5","1") = "5"
    & skf21("2","5","2","1","4","6","6","1") = "5"
    & skf21("2","5","2","1","4","6","7","1") = "6"
    & skf21("2","5","2","1","4","7","1","1") = "6"
    & skf21("2","5","2","1","4","7","2","1") = "6"
    & skf21("2","5","2","1","4","7","3","1") = "6"
    & skf21("2","5","2","1","4","7","4","1") = "6"
    & skf21("2","5","2","1","4","7","5","1") = "6"
    & skf21("2","5","2","1","4","7","6","1") = "6"
    & skf21("2","5","2","1","4","7","7","1") = "6"
    & skf21("2","5","2","1","5","1","1","1") = "4"
    & skf21("2","5","2","1","5","1","2","1") = "4"
    & skf21("2","5","2","1","5","1","3","1") = "4"
    & skf21("2","5","2","1","5","1","4","1") = "4"
    & skf21("2","5","2","1","5","1","5","1") = "4"
    & skf21("2","5","2","1","5","1","6","1") = "5"
    & skf21("2","5","2","1","5","1","7","1") = "6"
    & skf21("2","5","2","1","5","2","1","1") = "4"
    & skf21("2","5","2","1","5","2","2","1") = "4"
    & skf21("2","5","2","1","5","2","3","1") = "4"
    & skf21("2","5","2","1","5","2","4","1") = "4"
    & skf21("2","5","2","1","5","2","5","1") = "4"
    & skf21("2","5","2","1","5","2","6","1") = "5"
    & skf21("2","5","2","1","5","2","7","1") = "6"
    & skf21("2","5","2","1","5","3","1","1") = "4"
    & skf21("2","5","2","1","5","3","2","1") = "4"
    & skf21("2","5","2","1","5","3","3","1") = "4"
    & skf21("2","5","2","1","5","3","4","1") = "4"
    & skf21("2","5","2","1","5","3","5","1") = "4"
    & skf21("2","5","2","1","5","3","6","1") = "5"
    & skf21("2","5","2","1","5","3","7","1") = "6"
    & skf21("2","5","2","1","5","4","1","1") = "4"
    & skf21("2","5","2","1","5","4","2","1") = "4"
    & skf21("2","5","2","1","5","4","3","1") = "4"
    & skf21("2","5","2","1","5","4","4","1") = "4"
    & skf21("2","5","2","1","5","4","5","1") = "4"
    & skf21("2","5","2","1","5","4","6","1") = "5"
    & skf21("2","5","2","1","5","4","7","1") = "6"
    & skf21("2","5","2","1","5","5","1","1") = "4"
    & skf21("2","5","2","1","5","5","2","1") = "4"
    & skf21("2","5","2","1","5","5","3","1") = "4"
    & skf21("2","5","2","1","5","5","4","1") = "4"
    & skf21("2","5","2","1","5","5","5","1") = "4"
    & skf21("2","5","2","1","5","5","6","1") = "5"
    & skf21("2","5","2","1","5","5","7","1") = "6"
    & skf21("2","5","2","1","5","6","1","1") = "5"
    & skf21("2","5","2","1","5","6","2","1") = "5"
    & skf21("2","5","2","1","5","6","3","1") = "5"
    & skf21("2","5","2","1","5","6","4","1") = "5"
    & skf21("2","5","2","1","5","6","5","1") = "5"
    & skf21("2","5","2","1","5","6","6","1") = "5"
    & skf21("2","5","2","1","5","6","7","1") = "6"
    & skf21("2","5","2","1","5","7","1","1") = "6"
    & skf21("2","5","2","1","5","7","2","1") = "6"
    & skf21("2","5","2","1","5","7","3","1") = "6"
    & skf21("2","5","2","1","5","7","4","1") = "6"
    & skf21("2","5","2","1","5","7","5","1") = "6"
    & skf21("2","5","2","1","5","7","6","1") = "6"
    & skf21("2","5","2","1","5","7","7","1") = "6"
    & skf21("2","5","2","1","6","1","1","1") = "5"
    & skf21("2","5","2","1","6","1","2","1") = "5"
    & skf21("2","5","2","1","6","1","3","1") = "5"
    & skf21("2","5","2","1","6","1","4","1") = "5"
    & skf21("2","5","2","1","6","1","5","1") = "5"
    & skf21("2","5","2","1","6","1","6","1") = "5"
    & skf21("2","5","2","1","6","1","7","1") = "6"
    & skf21("2","5","2","1","6","2","1","1") = "5"
    & skf21("2","5","2","1","6","2","2","1") = "5"
    & skf21("2","5","2","1","6","2","3","1") = "5"
    & skf21("2","5","2","1","6","2","4","1") = "5"
    & skf21("2","5","2","1","6","2","5","1") = "5"
    & skf21("2","5","2","1","6","2","6","1") = "5"
    & skf21("2","5","2","1","6","2","7","1") = "6"
    & skf21("2","5","2","1","6","3","1","1") = "5"
    & skf21("2","5","2","1","6","3","2","1") = "5"
    & skf21("2","5","2","1","6","3","3","1") = "5"
    & skf21("2","5","2","1","6","3","4","1") = "5"
    & skf21("2","5","2","1","6","3","5","1") = "5"
    & skf21("2","5","2","1","6","3","6","1") = "5"
    & skf21("2","5","2","1","6","3","7","1") = "6"
    & skf21("2","5","2","1","6","4","1","1") = "5"
    & skf21("2","5","2","1","6","4","2","1") = "5"
    & skf21("2","5","2","1","6","4","3","1") = "5"
    & skf21("2","5","2","1","6","4","4","1") = "5"
    & skf21("2","5","2","1","6","4","5","1") = "5"
    & skf21("2","5","2","1","6","4","6","1") = "5"
    & skf21("2","5","2","1","6","4","7","1") = "6"
    & skf21("2","5","2","1","6","5","1","1") = "5"
    & skf21("2","5","2","1","6","5","2","1") = "5"
    & skf21("2","5","2","1","6","5","3","1") = "5"
    & skf21("2","5","2","1","6","5","4","1") = "5"
    & skf21("2","5","2","1","6","5","5","1") = "5"
    & skf21("2","5","2","1","6","5","6","1") = "5"
    & skf21("2","5","2","1","6","5","7","1") = "6"
    & skf21("2","5","2","1","6","6","1","1") = "5"
    & skf21("2","5","2","1","6","6","2","1") = "5"
    & skf21("2","5","2","1","6","6","3","1") = "5"
    & skf21("2","5","2","1","6","6","4","1") = "5"
    & skf21("2","5","2","1","6","6","5","1") = "5"
    & skf21("2","5","2","1","6","6","6","1") = "5"
    & skf21("2","5","2","1","6","6","7","1") = "6"
    & skf21("2","5","2","1","6","7","1","1") = "6"
    & skf21("2","5","2","1","6","7","2","1") = "6"
    & skf21("2","5","2","1","6","7","3","1") = "6"
    & skf21("2","5","2","1","6","7","4","1") = "6"
    & skf21("2","5","2","1","6","7","5","1") = "6"
    & skf21("2","5","2","1","6","7","6","1") = "6"
    & skf21("2","5","2","1","6","7","7","1") = "6"
    & skf21("2","5","2","1","7","1","1","1") = "6"
    & skf21("2","5","2","1","7","1","2","1") = "6"
    & skf21("2","5","2","1","7","1","3","1") = "6"
    & skf21("2","5","2","1","7","1","4","1") = "6"
    & skf21("2","5","2","1","7","1","5","1") = "6"
    & skf21("2","5","2","1","7","1","6","1") = "6"
    & skf21("2","5","2","1","7","1","7","1") = "6"
    & skf21("2","5","2","1","7","2","1","1") = "6"
    & skf21("2","5","2","1","7","2","2","1") = "6"
    & skf21("2","5","2","1","7","2","3","1") = "6"
    & skf21("2","5","2","1","7","2","4","1") = "6"
    & skf21("2","5","2","1","7","2","5","1") = "6"
    & skf21("2","5","2","1","7","2","6","1") = "6"
    & skf21("2","5","2","1","7","2","7","1") = "6"
    & skf21("2","5","2","1","7","3","1","1") = "6"
    & skf21("2","5","2","1","7","3","2","1") = "6"
    & skf21("2","5","2","1","7","3","3","1") = "6"
    & skf21("2","5","2","1","7","3","4","1") = "6"
    & skf21("2","5","2","1","7","3","5","1") = "6"
    & skf21("2","5","2","1","7","3","6","1") = "6"
    & skf21("2","5","2","1","7","3","7","1") = "6"
    & skf21("2","5","2","1","7","4","1","1") = "6"
    & skf21("2","5","2","1","7","4","2","1") = "6"
    & skf21("2","5","2","1","7","4","3","1") = "6"
    & skf21("2","5","2","1","7","4","4","1") = "6"
    & skf21("2","5","2","1","7","4","5","1") = "6"
    & skf21("2","5","2","1","7","4","6","1") = "6"
    & skf21("2","5","2","1","7","4","7","1") = "6"
    & skf21("2","5","2","1","7","5","1","1") = "6"
    & skf21("2","5","2","1","7","5","2","1") = "6"
    & skf21("2","5","2","1","7","5","3","1") = "6"
    & skf21("2","5","2","1","7","5","4","1") = "6"
    & skf21("2","5","2","1","7","5","5","1") = "6"
    & skf21("2","5","2","1","7","5","6","1") = "6"
    & skf21("2","5","2","1","7","5","7","1") = "6"
    & skf21("2","5","2","1","7","6","1","1") = "6"
    & skf21("2","5","2","1","7","6","2","1") = "6"
    & skf21("2","5","2","1","7","6","3","1") = "6"
    & skf21("2","5","2","1","7","6","4","1") = "6"
    & skf21("2","5","2","1","7","6","5","1") = "6"
    & skf21("2","5","2","1","7","6","6","1") = "6"
    & skf21("2","5","2","1","7","6","7","1") = "6"
    & skf21("2","5","2","1","7","7","1","1") = "6"
    & skf21("2","5","2","1","7","7","2","1") = "6"
    & skf21("2","5","2","1","7","7","3","1") = "6"
    & skf21("2","5","2","1","7","7","4","1") = "6"
    & skf21("2","5","2","1","7","7","5","1") = "6"
    & skf21("2","5","2","1","7","7","6","1") = "6"
    & skf21("2","5","2","1","7","7","7","1") = "6"
    & skf21("2","5","2","2","1","1","1","1") = "4"
    & skf21("2","5","2","2","1","1","2","1") = "4"
    & skf21("2","5","2","2","1","1","3","1") = "4"
    & skf21("2","5","2","2","1","1","4","1") = "4"
    & skf21("2","5","2","2","1","1","5","1") = "4"
    & skf21("2","5","2","2","1","1","6","1") = "5"
    & skf21("2","5","2","2","1","1","7","1") = "6"
    & skf21("2","5","2","2","1","2","1","1") = "4"
    & skf21("2","5","2","2","1","2","2","1") = "4"
    & skf21("2","5","2","2","1","2","3","1") = "4"
    & skf21("2","5","2","2","1","2","4","1") = "4"
    & skf21("2","5","2","2","1","2","5","1") = "4"
    & skf21("2","5","2","2","1","2","6","1") = "5"
    & skf21("2","5","2","2","1","2","7","1") = "6"
    & skf21("2","5","2","2","1","3","1","1") = "4"
    & skf21("2","5","2","2","1","3","2","1") = "4"
    & skf21("2","5","2","2","1","3","3","1") = "4"
    & skf21("2","5","2","2","1","3","4","1") = "4"
    & skf21("2","5","2","2","1","3","5","1") = "4"
    & skf21("2","5","2","2","1","3","6","1") = "5"
    & skf21("2","5","2","2","1","3","7","1") = "6"
    & skf21("2","5","2","2","1","4","1","1") = "4"
    & skf21("2","5","2","2","1","4","2","1") = "4"
    & skf21("2","5","2","2","1","4","3","1") = "4"
    & skf21("2","5","2","2","1","4","4","1") = "4"
    & skf21("2","5","2","2","1","4","5","1") = "4"
    & skf21("2","5","2","2","1","4","6","1") = "5"
    & skf21("2","5","2","2","1","4","7","1") = "6"
    & skf21("2","5","2","2","1","5","1","1") = "4"
    & skf21("2","5","2","2","1","5","2","1") = "4"
    & skf21("2","5","2","2","1","5","3","1") = "4"
    & skf21("2","5","2","2","1","5","4","1") = "4"
    & skf21("2","5","2","2","1","5","5","1") = "4"
    & skf21("2","5","2","2","1","5","6","1") = "5"
    & skf21("2","5","2","2","1","5","7","1") = "6"
    & skf21("2","5","2","2","1","6","1","1") = "5"
    & skf21("2","5","2","2","1","6","2","1") = "5"
    & skf21("2","5","2","2","1","6","3","1") = "5"
    & skf21("2","5","2","2","1","6","4","1") = "5"
    & skf21("2","5","2","2","1","6","5","1") = "5"
    & skf21("2","5","2","2","1","6","6","1") = "5"
    & skf21("2","5","2","2","1","6","7","1") = "6"
    & skf21("2","5","2","2","1","7","1","1") = "6"
    & skf21("2","5","2","2","1","7","2","1") = "6"
    & skf21("2","5","2","2","1","7","3","1") = "6"
    & skf21("2","5","2","2","1","7","4","1") = "6"
    & skf21("2","5","2","2","1","7","5","1") = "6"
    & skf21("2","5","2","2","1","7","6","1") = "6"
    & skf21("2","5","2","2","1","7","7","1") = "6"
    & skf21("2","5","2","2","2","1","1","1") = "4"
    & skf21("2","5","2","2","2","1","2","1") = "4"
    & skf21("2","5","2","2","2","1","3","1") = "4"
    & skf21("2","5","2","2","2","1","4","1") = "4"
    & skf21("2","5","2","2","2","1","5","1") = "4"
    & skf21("2","5","2","2","2","1","6","1") = "5"
    & skf21("2","5","2","2","2","1","7","1") = "6"
    & skf21("2","5","2","2","2","2","1","1") = "4"
    & skf21("2","5","2","2","2","2","2","1") = "4"
    & skf21("2","5","2","2","2","2","3","1") = "4"
    & skf21("2","5","2","2","2","2","4","1") = "4"
    & skf21("2","5","2","2","2","2","5","1") = "4"
    & skf21("2","5","2","2","2","2","6","1") = "5"
    & skf21("2","5","2","2","2","2","7","1") = "6"
    & skf21("2","5","2","2","2","3","1","1") = "4"
    & skf21("2","5","2","2","2","3","2","1") = "4"
    & skf21("2","5","2","2","2","3","3","1") = "4"
    & skf21("2","5","2","2","2","3","4","1") = "4"
    & skf21("2","5","2","2","2","3","5","1") = "4"
    & skf21("2","5","2","2","2","3","6","1") = "5"
    & skf21("2","5","2","2","2","3","7","1") = "6"
    & skf21("2","5","2","2","2","4","1","1") = "4"
    & skf21("2","5","2","2","2","4","2","1") = "4"
    & skf21("2","5","2","2","2","4","3","1") = "4"
    & skf21("2","5","2","2","2","4","4","1") = "4"
    & skf21("2","5","2","2","2","4","5","1") = "4"
    & skf21("2","5","2","2","2","4","6","1") = "5"
    & skf21("2","5","2","2","2","4","7","1") = "6"
    & skf21("2","5","2","2","2","5","1","1") = "4"
    & skf21("2","5","2","2","2","5","2","1") = "4"
    & skf21("2","5","2","2","2","5","3","1") = "4"
    & skf21("2","5","2","2","2","5","4","1") = "4"
    & skf21("2","5","2","2","2","5","5","1") = "4"
    & skf21("2","5","2","2","2","5","6","1") = "5"
    & skf21("2","5","2","2","2","5","7","1") = "6"
    & skf21("2","5","2","2","2","6","1","1") = "5"
    & skf21("2","5","2","2","2","6","2","1") = "5"
    & skf21("2","5","2","2","2","6","3","1") = "5"
    & skf21("2","5","2","2","2","6","4","1") = "5"
    & skf21("2","5","2","2","2","6","5","1") = "5"
    & skf21("2","5","2","2","2","6","6","1") = "5"
    & skf21("2","5","2","2","2","6","7","1") = "6"
    & skf21("2","5","2","2","2","7","1","1") = "6"
    & skf21("2","5","2","2","2","7","2","1") = "6"
    & skf21("2","5","2","2","2","7","3","1") = "6"
    & skf21("2","5","2","2","2","7","4","1") = "6"
    & skf21("2","5","2","2","2","7","5","1") = "6"
    & skf21("2","5","2","2","2","7","6","1") = "6"
    & skf21("2","5","2","2","2","7","7","1") = "6"
    & skf21("2","5","2","2","3","1","1","1") = "4"
    & skf21("2","5","2","2","3","1","2","1") = "4"
    & skf21("2","5","2","2","3","1","3","1") = "4"
    & skf21("2","5","2","2","3","1","4","1") = "4"
    & skf21("2","5","2","2","3","1","5","1") = "4"
    & skf21("2","5","2","2","3","1","6","1") = "5"
    & skf21("2","5","2","2","3","1","7","1") = "6"
    & skf21("2","5","2","2","3","2","1","1") = "4"
    & skf21("2","5","2","2","3","2","2","1") = "4"
    & skf21("2","5","2","2","3","2","3","1") = "4"
    & skf21("2","5","2","2","3","2","4","1") = "4"
    & skf21("2","5","2","2","3","2","5","1") = "4"
    & skf21("2","5","2","2","3","2","6","1") = "5"
    & skf21("2","5","2","2","3","2","7","1") = "6"
    & skf21("2","5","2","2","3","3","1","1") = "4"
    & skf21("2","5","2","2","3","3","2","1") = "4"
    & skf21("2","5","2","2","3","3","3","1") = "4"
    & skf21("2","5","2","2","3","3","4","1") = "4"
    & skf21("2","5","2","2","3","3","5","1") = "4"
    & skf21("2","5","2","2","3","3","6","1") = "5"
    & skf21("2","5","2","2","3","3","7","1") = "6"
    & skf21("2","5","2","2","3","4","1","1") = "4"
    & skf21("2","5","2","2","3","4","2","1") = "4"
    & skf21("2","5","2","2","3","4","3","1") = "4"
    & skf21("2","5","2","2","3","4","4","1") = "4"
    & skf21("2","5","2","2","3","4","5","1") = "4"
    & skf21("2","5","2","2","3","4","6","1") = "5"
    & skf21("2","5","2","2","3","4","7","1") = "6"
    & skf21("2","5","2","2","3","5","1","1") = "4"
    & skf21("2","5","2","2","3","5","2","1") = "4"
    & skf21("2","5","2","2","3","5","3","1") = "4"
    & skf21("2","5","2","2","3","5","4","1") = "4"
    & skf21("2","5","2","2","3","5","5","1") = "4"
    & skf21("2","5","2","2","3","5","6","1") = "5"
    & skf21("2","5","2","2","3","5","7","1") = "6"
    & skf21("2","5","2","2","3","6","1","1") = "5"
    & skf21("2","5","2","2","3","6","2","1") = "5"
    & skf21("2","5","2","2","3","6","3","1") = "5"
    & skf21("2","5","2","2","3","6","4","1") = "5"
    & skf21("2","5","2","2","3","6","5","1") = "5"
    & skf21("2","5","2","2","3","6","6","1") = "5"
    & skf21("2","5","2","2","3","6","7","1") = "6"
    & skf21("2","5","2","2","3","7","1","1") = "6"
    & skf21("2","5","2","2","3","7","2","1") = "6"
    & skf21("2","5","2","2","3","7","3","1") = "6"
    & skf21("2","5","2","2","3","7","4","1") = "6"
    & skf21("2","5","2","2","3","7","5","1") = "6"
    & skf21("2","5","2","2","3","7","6","1") = "6"
    & skf21("2","5","2","2","3","7","7","1") = "6"
    & skf21("2","5","2","2","4","1","1","1") = "4"
    & skf21("2","5","2","2","4","1","2","1") = "4"
    & skf21("2","5","2","2","4","1","3","1") = "4"
    & skf21("2","5","2","2","4","1","4","1") = "4"
    & skf21("2","5","2","2","4","1","5","1") = "4"
    & skf21("2","5","2","2","4","1","6","1") = "5"
    & skf21("2","5","2","2","4","1","7","1") = "6"
    & skf21("2","5","2","2","4","2","1","1") = "4"
    & skf21("2","5","2","2","4","2","2","1") = "4"
    & skf21("2","5","2","2","4","2","3","1") = "4"
    & skf21("2","5","2","2","4","2","4","1") = "4"
    & skf21("2","5","2","2","4","2","5","1") = "4"
    & skf21("2","5","2","2","4","2","6","1") = "5"
    & skf21("2","5","2","2","4","2","7","1") = "6"
    & skf21("2","5","2","2","4","3","1","1") = "4"
    & skf21("2","5","2","2","4","3","2","1") = "4"
    & skf21("2","5","2","2","4","3","3","1") = "4"
    & skf21("2","5","2","2","4","3","4","1") = "4"
    & skf21("2","5","2","2","4","3","5","1") = "4"
    & skf21("2","5","2","2","4","3","6","1") = "5"
    & skf21("2","5","2","2","4","3","7","1") = "6"
    & skf21("2","5","2","2","4","4","1","1") = "4"
    & skf21("2","5","2","2","4","4","2","1") = "4"
    & skf21("2","5","2","2","4","4","3","1") = "4"
    & skf21("2","5","2","2","4","4","4","1") = "4"
    & skf21("2","5","2","2","4","4","5","1") = "4"
    & skf21("2","5","2","2","4","4","6","1") = "5"
    & skf21("2","5","2","2","4","4","7","1") = "6"
    & skf21("2","5","2","2","4","5","1","1") = "4"
    & skf21("2","5","2","2","4","5","2","1") = "4"
    & skf21("2","5","2","2","4","5","3","1") = "4"
    & skf21("2","5","2","2","4","5","4","1") = "4"
    & skf21("2","5","2","2","4","5","5","1") = "4"
    & skf21("2","5","2","2","4","5","6","1") = "5"
    & skf21("2","5","2","2","4","5","7","1") = "6"
    & skf21("2","5","2","2","4","6","1","1") = "5"
    & skf21("2","5","2","2","4","6","2","1") = "5"
    & skf21("2","5","2","2","4","6","3","1") = "5"
    & skf21("2","5","2","2","4","6","4","1") = "5"
    & skf21("2","5","2","2","4","6","5","1") = "5"
    & skf21("2","5","2","2","4","6","6","1") = "5"
    & skf21("2","5","2","2","4","6","7","1") = "6"
    & skf21("2","5","2","2","4","7","1","1") = "6"
    & skf21("2","5","2","2","4","7","2","1") = "6"
    & skf21("2","5","2","2","4","7","3","1") = "6"
    & skf21("2","5","2","2","4","7","4","1") = "6"
    & skf21("2","5","2","2","4","7","5","1") = "6"
    & skf21("2","5","2","2","4","7","6","1") = "6"
    & skf21("2","5","2","2","4","7","7","1") = "6"
    & skf21("2","5","2","2","5","1","1","1") = "4"
    & skf21("2","5","2","2","5","1","2","1") = "4"
    & skf21("2","5","2","2","5","1","3","1") = "4"
    & skf21("2","5","2","2","5","1","4","1") = "4"
    & skf21("2","5","2","2","5","1","5","1") = "4"
    & skf21("2","5","2","2","5","1","6","1") = "5"
    & skf21("2","5","2","2","5","1","7","1") = "6"
    & skf21("2","5","2","2","5","2","1","1") = "4"
    & skf21("2","5","2","2","5","2","2","1") = "4"
    & skf21("2","5","2","2","5","2","3","1") = "4"
    & skf21("2","5","2","2","5","2","4","1") = "4"
    & skf21("2","5","2","2","5","2","5","1") = "4"
    & skf21("2","5","2","2","5","2","6","1") = "5"
    & skf21("2","5","2","2","5","2","7","1") = "6"
    & skf21("2","5","2","2","5","3","1","1") = "4"
    & skf21("2","5","2","2","5","3","2","1") = "4"
    & skf21("2","5","2","2","5","3","3","1") = "4"
    & skf21("2","5","2","2","5","3","4","1") = "4"
    & skf21("2","5","2","2","5","3","5","1") = "4"
    & skf21("2","5","2","2","5","3","6","1") = "5"
    & skf21("2","5","2","2","5","3","7","1") = "6"
    & skf21("2","5","2","2","5","4","1","1") = "4"
    & skf21("2","5","2","2","5","4","2","1") = "4"
    & skf21("2","5","2","2","5","4","3","1") = "4"
    & skf21("2","5","2","2","5","4","4","1") = "4"
    & skf21("2","5","2","2","5","4","5","1") = "4"
    & skf21("2","5","2","2","5","4","6","1") = "5"
    & skf21("2","5","2","2","5","4","7","1") = "6"
    & skf21("2","5","2","2","5","5","1","1") = "4"
    & skf21("2","5","2","2","5","5","2","1") = "4"
    & skf21("2","5","2","2","5","5","3","1") = "4"
    & skf21("2","5","2","2","5","5","4","1") = "4"
    & skf21("2","5","2","2","5","5","5","1") = "4"
    & skf21("2","5","2","2","5","5","6","1") = "5"
    & skf21("2","5","2","2","5","5","7","1") = "6"
    & skf21("2","5","2","2","5","6","1","1") = "5"
    & skf21("2","5","2","2","5","6","2","1") = "5"
    & skf21("2","5","2","2","5","6","3","1") = "5"
    & skf21("2","5","2","2","5","6","4","1") = "5"
    & skf21("2","5","2","2","5","6","5","1") = "5"
    & skf21("2","5","2","2","5","6","6","1") = "5"
    & skf21("2","5","2","2","5","6","7","1") = "6"
    & skf21("2","5","2","2","5","7","1","1") = "6"
    & skf21("2","5","2","2","5","7","2","1") = "6"
    & skf21("2","5","2","2","5","7","3","1") = "6"
    & skf21("2","5","2","2","5","7","4","1") = "6"
    & skf21("2","5","2","2","5","7","5","1") = "6"
    & skf21("2","5","2","2","5","7","6","1") = "6"
    & skf21("2","5","2","2","5","7","7","1") = "6"
    & skf21("2","5","2","2","6","1","1","1") = "5"
    & skf21("2","5","2","2","6","1","2","1") = "5"
    & skf21("2","5","2","2","6","1","3","1") = "5"
    & skf21("2","5","2","2","6","1","4","1") = "5"
    & skf21("2","5","2","2","6","1","5","1") = "5"
    & skf21("2","5","2","2","6","1","6","1") = "5"
    & skf21("2","5","2","2","6","1","7","1") = "6"
    & skf21("2","5","2","2","6","2","1","1") = "5"
    & skf21("2","5","2","2","6","2","2","1") = "5"
    & skf21("2","5","2","2","6","2","3","1") = "5"
    & skf21("2","5","2","2","6","2","4","1") = "5"
    & skf21("2","5","2","2","6","2","5","1") = "5"
    & skf21("2","5","2","2","6","2","6","1") = "5"
    & skf21("2","5","2","2","6","2","7","1") = "6"
    & skf21("2","5","2","2","6","3","1","1") = "5"
    & skf21("2","5","2","2","6","3","2","1") = "5"
    & skf21("2","5","2","2","6","3","3","1") = "5"
    & skf21("2","5","2","2","6","3","4","1") = "5"
    & skf21("2","5","2","2","6","3","5","1") = "5"
    & skf21("2","5","2","2","6","3","6","1") = "5"
    & skf21("2","5","2","2","6","3","7","1") = "6"
    & skf21("2","5","2","2","6","4","1","1") = "5"
    & skf21("2","5","2","2","6","4","2","1") = "5"
    & skf21("2","5","2","2","6","4","3","1") = "5"
    & skf21("2","5","2","2","6","4","4","1") = "5"
    & skf21("2","5","2","2","6","4","5","1") = "5"
    & skf21("2","5","2","2","6","4","6","1") = "5"
    & skf21("2","5","2","2","6","4","7","1") = "6"
    & skf21("2","5","2","2","6","5","1","1") = "5"
    & skf21("2","5","2","2","6","5","2","1") = "5"
    & skf21("2","5","2","2","6","5","3","1") = "5"
    & skf21("2","5","2","2","6","5","4","1") = "5"
    & skf21("2","5","2","2","6","5","5","1") = "5"
    & skf21("2","5","2","2","6","5","6","1") = "5"
    & skf21("2","5","2","2","6","5","7","1") = "6"
    & skf21("2","5","2","2","6","6","1","1") = "5"
    & skf21("2","5","2","2","6","6","2","1") = "5"
    & skf21("2","5","2","2","6","6","3","1") = "5"
    & skf21("2","5","2","2","6","6","4","1") = "5"
    & skf21("2","5","2","2","6","6","5","1") = "5"
    & skf21("2","5","2","2","6","6","6","1") = "5"
    & skf21("2","5","2","2","6","6","7","1") = "6"
    & skf21("2","5","2","2","6","7","1","1") = "6"
    & skf21("2","5","2","2","6","7","2","1") = "6"
    & skf21("2","5","2","2","6","7","3","1") = "6"
    & skf21("2","5","2","2","6","7","4","1") = "6"
    & skf21("2","5","2","2","6","7","5","1") = "6"
    & skf21("2","5","2","2","6","7","6","1") = "6"
    & skf21("2","5","2","2","6","7","7","1") = "6"
    & skf21("2","5","2","2","7","1","1","1") = "6"
    & skf21("2","5","2","2","7","1","2","1") = "6"
    & skf21("2","5","2","2","7","1","3","1") = "6"
    & skf21("2","5","2","2","7","1","4","1") = "6"
    & skf21("2","5","2","2","7","1","5","1") = "6"
    & skf21("2","5","2","2","7","1","6","1") = "6"
    & skf21("2","5","2","2","7","1","7","1") = "6"
    & skf21("2","5","2","2","7","2","1","1") = "6"
    & skf21("2","5","2","2","7","2","2","1") = "6"
    & skf21("2","5","2","2","7","2","3","1") = "6"
    & skf21("2","5","2","2","7","2","4","1") = "6"
    & skf21("2","5","2","2","7","2","5","1") = "6"
    & skf21("2","5","2","2","7","2","6","1") = "6"
    & skf21("2","5","2","2","7","2","7","1") = "6"
    & skf21("2","5","2","2","7","3","1","1") = "6"
    & skf21("2","5","2","2","7","3","2","1") = "6"
    & skf21("2","5","2","2","7","3","3","1") = "6"
    & skf21("2","5","2","2","7","3","4","1") = "6"
    & skf21("2","5","2","2","7","3","5","1") = "6"
    & skf21("2","5","2","2","7","3","6","1") = "6"
    & skf21("2","5","2","2","7","3","7","1") = "6"
    & skf21("2","5","2","2","7","4","1","1") = "6"
    & skf21("2","5","2","2","7","4","2","1") = "6"
    & skf21("2","5","2","2","7","4","3","1") = "6"
    & skf21("2","5","2","2","7","4","4","1") = "6"
    & skf21("2","5","2","2","7","4","5","1") = "6"
    & skf21("2","5","2","2","7","4","6","1") = "6"
    & skf21("2","5","2","2","7","4","7","1") = "6"
    & skf21("2","5","2","2","7","5","1","1") = "6"
    & skf21("2","5","2","2","7","5","2","1") = "6"
    & skf21("2","5","2","2","7","5","3","1") = "6"
    & skf21("2","5","2","2","7","5","4","1") = "6"
    & skf21("2","5","2","2","7","5","5","1") = "6"
    & skf21("2","5","2","2","7","5","6","1") = "6"
    & skf21("2","5","2","2","7","5","7","1") = "6"
    & skf21("2","5","2","2","7","6","1","1") = "6"
    & skf21("2","5","2","2","7","6","2","1") = "6"
    & skf21("2","5","2","2","7","6","3","1") = "6"
    & skf21("2","5","2","2","7","6","4","1") = "6"
    & skf21("2","5","2","2","7","6","5","1") = "6"
    & skf21("2","5","2","2","7","6","6","1") = "6"
    & skf21("2","5","2","2","7","6","7","1") = "6"
    & skf21("2","5","2","2","7","7","1","1") = "6"
    & skf21("2","5","2","2","7","7","2","1") = "6"
    & skf21("2","5","2","2","7","7","3","1") = "6"
    & skf21("2","5","2","2","7","7","4","1") = "6"
    & skf21("2","5","2","2","7","7","5","1") = "6"
    & skf21("2","5","2","2","7","7","6","1") = "6"
    & skf21("2","5","2","2","7","7","7","1") = "6"
    & skf21("2","5","2","3","1","1","1","1") = "4"
    & skf21("2","5","2","3","1","1","2","1") = "4"
    & skf21("2","5","2","3","1","1","3","1") = "4"
    & skf21("2","5","2","3","1","1","4","1") = "4"
    & skf21("2","5","2","3","1","1","5","1") = "4"
    & skf21("2","5","2","3","1","1","6","1") = "5"
    & skf21("2","5","2","3","1","1","7","1") = "6"
    & skf21("2","5","2","3","1","2","1","1") = "4"
    & skf21("2","5","2","3","1","2","2","1") = "4"
    & skf21("2","5","2","3","1","2","3","1") = "4"
    & skf21("2","5","2","3","1","2","4","1") = "4"
    & skf21("2","5","2","3","1","2","5","1") = "4"
    & skf21("2","5","2","3","1","2","6","1") = "5"
    & skf21("2","5","2","3","1","2","7","1") = "6"
    & skf21("2","5","2","3","1","3","1","1") = "4"
    & skf21("2","5","2","3","1","3","2","1") = "4"
    & skf21("2","5","2","3","1","3","3","1") = "4"
    & skf21("2","5","2","3","1","3","4","1") = "4"
    & skf21("2","5","2","3","1","3","5","1") = "4"
    & skf21("2","5","2","3","1","3","6","1") = "5"
    & skf21("2","5","2","3","1","3","7","1") = "6"
    & skf21("2","5","2","3","1","4","1","1") = "4"
    & skf21("2","5","2","3","1","4","2","1") = "4"
    & skf21("2","5","2","3","1","4","3","1") = "4"
    & skf21("2","5","2","3","1","4","4","1") = "4"
    & skf21("2","5","2","3","1","4","5","1") = "4"
    & skf21("2","5","2","3","1","4","6","1") = "5"
    & skf21("2","5","2","3","1","4","7","1") = "6"
    & skf21("2","5","2","3","1","5","1","1") = "4"
    & skf21("2","5","2","3","1","5","2","1") = "4"
    & skf21("2","5","2","3","1","5","3","1") = "4"
    & skf21("2","5","2","3","1","5","4","1") = "4"
    & skf21("2","5","2","3","1","5","5","1") = "4"
    & skf21("2","5","2","3","1","5","6","1") = "5"
    & skf21("2","5","2","3","1","5","7","1") = "6"
    & skf21("2","5","2","3","1","6","1","1") = "5"
    & skf21("2","5","2","3","1","6","2","1") = "5"
    & skf21("2","5","2","3","1","6","3","1") = "5"
    & skf21("2","5","2","3","1","6","4","1") = "5"
    & skf21("2","5","2","3","1","6","5","1") = "5"
    & skf21("2","5","2","3","1","6","6","1") = "5"
    & skf21("2","5","2","3","1","6","7","1") = "6"
    & skf21("2","5","2","3","1","7","1","1") = "6"
    & skf21("2","5","2","3","1","7","2","1") = "6"
    & skf21("2","5","2","3","1","7","3","1") = "6"
    & skf21("2","5","2","3","1","7","4","1") = "6"
    & skf21("2","5","2","3","1","7","5","1") = "6"
    & skf21("2","5","2","3","1","7","6","1") = "6"
    & skf21("2","5","2","3","1","7","7","1") = "6"
    & skf21("2","5","2","3","2","1","1","1") = "4"
    & skf21("2","5","2","3","2","1","2","1") = "4"
    & skf21("2","5","2","3","2","1","3","1") = "4"
    & skf21("2","5","2","3","2","1","4","1") = "4"
    & skf21("2","5","2","3","2","1","5","1") = "4"
    & skf21("2","5","2","3","2","1","6","1") = "5"
    & skf21("2","5","2","3","2","1","7","1") = "6"
    & skf21("2","5","2","3","2","2","1","1") = "4"
    & skf21("2","5","2","3","2","2","2","1") = "4"
    & skf21("2","5","2","3","2","2","3","1") = "4"
    & skf21("2","5","2","3","2","2","4","1") = "4"
    & skf21("2","5","2","3","2","2","5","1") = "4"
    & skf21("2","5","2","3","2","2","6","1") = "5"
    & skf21("2","5","2","3","2","2","7","1") = "6"
    & skf21("2","5","2","3","2","3","1","1") = "4"
    & skf21("2","5","2","3","2","3","2","1") = "4"
    & skf21("2","5","2","3","2","3","3","1") = "4"
    & skf21("2","5","2","3","2","3","4","1") = "4"
    & skf21("2","5","2","3","2","3","5","1") = "4"
    & skf21("2","5","2","3","2","3","6","1") = "5"
    & skf21("2","5","2","3","2","3","7","1") = "6"
    & skf21("2","5","2","3","2","4","1","1") = "4"
    & skf21("2","5","2","3","2","4","2","1") = "4"
    & skf21("2","5","2","3","2","4","3","1") = "4"
    & skf21("2","5","2","3","2","4","4","1") = "4"
    & skf21("2","5","2","3","2","4","5","1") = "4"
    & skf21("2","5","2","3","2","4","6","1") = "5"
    & skf21("2","5","2","3","2","4","7","1") = "6"
    & skf21("2","5","2","3","2","5","1","1") = "4"
    & skf21("2","5","2","3","2","5","2","1") = "4"
    & skf21("2","5","2","3","2","5","3","1") = "4"
    & skf21("2","5","2","3","2","5","4","1") = "4"
    & skf21("2","5","2","3","2","5","5","1") = "4"
    & skf21("2","5","2","3","2","5","6","1") = "5"
    & skf21("2","5","2","3","2","5","7","1") = "6"
    & skf21("2","5","2","3","2","6","1","1") = "5"
    & skf21("2","5","2","3","2","6","2","1") = "5"
    & skf21("2","5","2","3","2","6","3","1") = "5"
    & skf21("2","5","2","3","2","6","4","1") = "5"
    & skf21("2","5","2","3","2","6","5","1") = "5"
    & skf21("2","5","2","3","2","6","6","1") = "5"
    & skf21("2","5","2","3","2","6","7","1") = "6"
    & skf21("2","5","2","3","2","7","1","1") = "6"
    & skf21("2","5","2","3","2","7","2","1") = "6"
    & skf21("2","5","2","3","2","7","3","1") = "6"
    & skf21("2","5","2","3","2","7","4","1") = "6"
    & skf21("2","5","2","3","2","7","5","1") = "6"
    & skf21("2","5","2","3","2","7","6","1") = "6"
    & skf21("2","5","2","3","2","7","7","1") = "6"
    & skf21("2","5","2","3","3","1","1","1") = "4"
    & skf21("2","5","2","3","3","1","2","1") = "4"
    & skf21("2","5","2","3","3","1","3","1") = "4"
    & skf21("2","5","2","3","3","1","4","1") = "4"
    & skf21("2","5","2","3","3","1","5","1") = "4"
    & skf21("2","5","2","3","3","1","6","1") = "5"
    & skf21("2","5","2","3","3","1","7","1") = "6"
    & skf21("2","5","2","3","3","2","1","1") = "4"
    & skf21("2","5","2","3","3","2","2","1") = "4"
    & skf21("2","5","2","3","3","2","3","1") = "4"
    & skf21("2","5","2","3","3","2","4","1") = "4"
    & skf21("2","5","2","3","3","2","5","1") = "4"
    & skf21("2","5","2","3","3","2","6","1") = "5"
    & skf21("2","5","2","3","3","2","7","1") = "6"
    & skf21("2","5","2","3","3","3","1","1") = "4"
    & skf21("2","5","2","3","3","3","2","1") = "4"
    & skf21("2","5","2","3","3","3","3","1") = "4"
    & skf21("2","5","2","3","3","3","4","1") = "4"
    & skf21("2","5","2","3","3","3","5","1") = "4"
    & skf21("2","5","2","3","3","3","6","1") = "5"
    & skf21("2","5","2","3","3","3","7","1") = "6"
    & skf21("2","5","2","3","3","4","1","1") = "4"
    & skf21("2","5","2","3","3","4","2","1") = "4"
    & skf21("2","5","2","3","3","4","3","1") = "4"
    & skf21("2","5","2","3","3","4","4","1") = "4"
    & skf21("2","5","2","3","3","4","5","1") = "4"
    & skf21("2","5","2","3","3","4","6","1") = "5"
    & skf21("2","5","2","3","3","4","7","1") = "6"
    & skf21("2","5","2","3","3","5","1","1") = "4"
    & skf21("2","5","2","3","3","5","2","1") = "4"
    & skf21("2","5","2","3","3","5","3","1") = "4"
    & skf21("2","5","2","3","3","5","4","1") = "4"
    & skf21("2","5","2","3","3","5","5","1") = "4"
    & skf21("2","5","2","3","3","5","6","1") = "5"
    & skf21("2","5","2","3","3","5","7","1") = "6"
    & skf21("2","5","2","3","3","6","1","1") = "5"
    & skf21("2","5","2","3","3","6","2","1") = "5"
    & skf21("2","5","2","3","3","6","3","1") = "5"
    & skf21("2","5","2","3","3","6","4","1") = "5"
    & skf21("2","5","2","3","3","6","5","1") = "5"
    & skf21("2","5","2","3","3","6","6","1") = "5"
    & skf21("2","5","2","3","3","6","7","1") = "6"
    & skf21("2","5","2","3","3","7","1","1") = "6"
    & skf21("2","5","2","3","3","7","2","1") = "6"
    & skf21("2","5","2","3","3","7","3","1") = "6"
    & skf21("2","5","2","3","3","7","4","1") = "6"
    & skf21("2","5","2","3","3","7","5","1") = "6"
    & skf21("2","5","2","3","3","7","6","1") = "6"
    & skf21("2","5","2","3","3","7","7","1") = "6"
    & skf21("2","5","2","3","4","1","1","1") = "4"
    & skf21("2","5","2","3","4","1","2","1") = "4"
    & skf21("2","5","2","3","4","1","3","1") = "4"
    & skf21("2","5","2","3","4","1","4","1") = "4"
    & skf21("2","5","2","3","4","1","5","1") = "4"
    & skf21("2","5","2","3","4","1","6","1") = "5"
    & skf21("2","5","2","3","4","1","7","1") = "6"
    & skf21("2","5","2","3","4","2","1","1") = "4"
    & skf21("2","5","2","3","4","2","2","1") = "4"
    & skf21("2","5","2","3","4","2","3","1") = "4"
    & skf21("2","5","2","3","4","2","4","1") = "4"
    & skf21("2","5","2","3","4","2","5","1") = "4"
    & skf21("2","5","2","3","4","2","6","1") = "5"
    & skf21("2","5","2","3","4","2","7","1") = "6"
    & skf21("2","5","2","3","4","3","1","1") = "4"
    & skf21("2","5","2","3","4","3","2","1") = "4"
    & skf21("2","5","2","3","4","3","3","1") = "4"
    & skf21("2","5","2","3","4","3","4","1") = "4"
    & skf21("2","5","2","3","4","3","5","1") = "4"
    & skf21("2","5","2","3","4","3","6","1") = "5"
    & skf21("2","5","2","3","4","3","7","1") = "6"
    & skf21("2","5","2","3","4","4","1","1") = "4"
    & skf21("2","5","2","3","4","4","2","1") = "4"
    & skf21("2","5","2","3","4","4","3","1") = "4"
    & skf21("2","5","2","3","4","4","4","1") = "4"
    & skf21("2","5","2","3","4","4","5","1") = "4"
    & skf21("2","5","2","3","4","4","6","1") = "5"
    & skf21("2","5","2","3","4","4","7","1") = "6"
    & skf21("2","5","2","3","4","5","1","1") = "4"
    & skf21("2","5","2","3","4","5","2","1") = "4"
    & skf21("2","5","2","3","4","5","3","1") = "4"
    & skf21("2","5","2","3","4","5","4","1") = "4"
    & skf21("2","5","2","3","4","5","5","1") = "4"
    & skf21("2","5","2","3","4","5","6","1") = "5"
    & skf21("2","5","2","3","4","5","7","1") = "6"
    & skf21("2","5","2","3","4","6","1","1") = "5"
    & skf21("2","5","2","3","4","6","2","1") = "5"
    & skf21("2","5","2","3","4","6","3","1") = "5"
    & skf21("2","5","2","3","4","6","4","1") = "5"
    & skf21("2","5","2","3","4","6","5","1") = "5"
    & skf21("2","5","2","3","4","6","6","1") = "5"
    & skf21("2","5","2","3","4","6","7","1") = "6"
    & skf21("2","5","2","3","4","7","1","1") = "6"
    & skf21("2","5","2","3","4","7","2","1") = "6"
    & skf21("2","5","2","3","4","7","3","1") = "6"
    & skf21("2","5","2","3","4","7","4","1") = "6"
    & skf21("2","5","2","3","4","7","5","1") = "6"
    & skf21("2","5","2","3","4","7","6","1") = "6"
    & skf21("2","5","2","3","4","7","7","1") = "6"
    & skf21("2","5","2","3","5","1","1","1") = "4"
    & skf21("2","5","2","3","5","1","2","1") = "4"
    & skf21("2","5","2","3","5","1","3","1") = "4"
    & skf21("2","5","2","3","5","1","4","1") = "4"
    & skf21("2","5","2","3","5","1","5","1") = "4"
    & skf21("2","5","2","3","5","1","6","1") = "5"
    & skf21("2","5","2","3","5","1","7","1") = "6"
    & skf21("2","5","2","3","5","2","1","1") = "4"
    & skf21("2","5","2","3","5","2","2","1") = "4"
    & skf21("2","5","2","3","5","2","3","1") = "4"
    & skf21("2","5","2","3","5","2","4","1") = "4"
    & skf21("2","5","2","3","5","2","5","1") = "4"
    & skf21("2","5","2","3","5","2","6","1") = "5"
    & skf21("2","5","2","3","5","2","7","1") = "6"
    & skf21("2","5","2","3","5","3","1","1") = "4"
    & skf21("2","5","2","3","5","3","2","1") = "4"
    & skf21("2","5","2","3","5","3","3","1") = "4"
    & skf21("2","5","2","3","5","3","4","1") = "4"
    & skf21("2","5","2","3","5","3","5","1") = "4"
    & skf21("2","5","2","3","5","3","6","1") = "5"
    & skf21("2","5","2","3","5","3","7","1") = "6"
    & skf21("2","5","2","3","5","4","1","1") = "4"
    & skf21("2","5","2","3","5","4","2","1") = "4"
    & skf21("2","5","2","3","5","4","3","1") = "4"
    & skf21("2","5","2","3","5","4","4","1") = "4"
    & skf21("2","5","2","3","5","4","5","1") = "4"
    & skf21("2","5","2","3","5","4","6","1") = "5"
    & skf21("2","5","2","3","5","4","7","1") = "6"
    & skf21("2","5","2","3","5","5","1","1") = "4"
    & skf21("2","5","2","3","5","5","2","1") = "4"
    & skf21("2","5","2","3","5","5","3","1") = "4"
    & skf21("2","5","2","3","5","5","4","1") = "4"
    & skf21("2","5","2","3","5","5","5","1") = "4"
    & skf21("2","5","2","3","5","5","6","1") = "5"
    & skf21("2","5","2","3","5","5","7","1") = "6"
    & skf21("2","5","2","3","5","6","1","1") = "5"
    & skf21("2","5","2","3","5","6","2","1") = "5"
    & skf21("2","5","2","3","5","6","3","1") = "5"
    & skf21("2","5","2","3","5","6","4","1") = "5"
    & skf21("2","5","2","3","5","6","5","1") = "5"
    & skf21("2","5","2","3","5","6","6","1") = "5"
    & skf21("2","5","2","3","5","6","7","1") = "6"
    & skf21("2","5","2","3","5","7","1","1") = "6"
    & skf21("2","5","2","3","5","7","2","1") = "6"
    & skf21("2","5","2","3","5","7","3","1") = "6"
    & skf21("2","5","2","3","5","7","4","1") = "6"
    & skf21("2","5","2","3","5","7","5","1") = "6"
    & skf21("2","5","2","3","5","7","6","1") = "6"
    & skf21("2","5","2","3","5","7","7","1") = "6"
    & skf21("2","5","2","3","6","1","1","1") = "5"
    & skf21("2","5","2","3","6","1","2","1") = "5"
    & skf21("2","5","2","3","6","1","3","1") = "5"
    & skf21("2","5","2","3","6","1","4","1") = "5"
    & skf21("2","5","2","3","6","1","5","1") = "5"
    & skf21("2","5","2","3","6","1","6","1") = "5"
    & skf21("2","5","2","3","6","1","7","1") = "6"
    & skf21("2","5","2","3","6","2","1","1") = "5"
    & skf21("2","5","2","3","6","2","2","1") = "5"
    & skf21("2","5","2","3","6","2","3","1") = "5"
    & skf21("2","5","2","3","6","2","4","1") = "5"
    & skf21("2","5","2","3","6","2","5","1") = "5"
    & skf21("2","5","2","3","6","2","6","1") = "5"
    & skf21("2","5","2","3","6","2","7","1") = "6"
    & skf21("2","5","2","3","6","3","1","1") = "5"
    & skf21("2","5","2","3","6","3","2","1") = "5"
    & skf21("2","5","2","3","6","3","3","1") = "5"
    & skf21("2","5","2","3","6","3","4","1") = "5"
    & skf21("2","5","2","3","6","3","5","1") = "5"
    & skf21("2","5","2","3","6","3","6","1") = "5"
    & skf21("2","5","2","3","6","3","7","1") = "6"
    & skf21("2","5","2","3","6","4","1","1") = "5"
    & skf21("2","5","2","3","6","4","2","1") = "5"
    & skf21("2","5","2","3","6","4","3","1") = "5"
    & skf21("2","5","2","3","6","4","4","1") = "5"
    & skf21("2","5","2","3","6","4","5","1") = "5"
    & skf21("2","5","2","3","6","4","6","1") = "5"
    & skf21("2","5","2","3","6","4","7","1") = "6"
    & skf21("2","5","2","3","6","5","1","1") = "5"
    & skf21("2","5","2","3","6","5","2","1") = "5"
    & skf21("2","5","2","3","6","5","3","1") = "5"
    & skf21("2","5","2","3","6","5","4","1") = "5"
    & skf21("2","5","2","3","6","5","5","1") = "5"
    & skf21("2","5","2","3","6","5","6","1") = "5"
    & skf21("2","5","2","3","6","5","7","1") = "6"
    & skf21("2","5","2","3","6","6","1","1") = "5"
    & skf21("2","5","2","3","6","6","2","1") = "5"
    & skf21("2","5","2","3","6","6","3","1") = "5"
    & skf21("2","5","2","3","6","6","4","1") = "5"
    & skf21("2","5","2","3","6","6","5","1") = "5"
    & skf21("2","5","2","3","6","6","6","1") = "5"
    & skf21("2","5","2","3","6","6","7","1") = "6"
    & skf21("2","5","2","3","6","7","1","1") = "6"
    & skf21("2","5","2","3","6","7","2","1") = "6"
    & skf21("2","5","2","3","6","7","3","1") = "6"
    & skf21("2","5","2","3","6","7","4","1") = "6"
    & skf21("2","5","2","3","6","7","5","1") = "6"
    & skf21("2","5","2","3","6","7","6","1") = "6"
    & skf21("2","5","2","3","6","7","7","1") = "6"
    & skf21("2","5","2","3","7","1","1","1") = "6"
    & skf21("2","5","2","3","7","1","2","1") = "6"
    & skf21("2","5","2","3","7","1","3","1") = "6"
    & skf21("2","5","2","3","7","1","4","1") = "6"
    & skf21("2","5","2","3","7","1","5","1") = "6"
    & skf21("2","5","2","3","7","1","6","1") = "6"
    & skf21("2","5","2","3","7","1","7","1") = "6"
    & skf21("2","5","2","3","7","2","1","1") = "6"
    & skf21("2","5","2","3","7","2","2","1") = "6"
    & skf21("2","5","2","3","7","2","3","1") = "6"
    & skf21("2","5","2","3","7","2","4","1") = "6"
    & skf21("2","5","2","3","7","2","5","1") = "6"
    & skf21("2","5","2","3","7","2","6","1") = "6"
    & skf21("2","5","2","3","7","2","7","1") = "6"
    & skf21("2","5","2","3","7","3","1","1") = "6"
    & skf21("2","5","2","3","7","3","2","1") = "6"
    & skf21("2","5","2","3","7","3","3","1") = "6"
    & skf21("2","5","2","3","7","3","4","1") = "6"
    & skf21("2","5","2","3","7","3","5","1") = "6"
    & skf21("2","5","2","3","7","3","6","1") = "6"
    & skf21("2","5","2","3","7","3","7","1") = "6"
    & skf21("2","5","2","3","7","4","1","1") = "6"
    & skf21("2","5","2","3","7","4","2","1") = "6"
    & skf21("2","5","2","3","7","4","3","1") = "6"
    & skf21("2","5","2","3","7","4","4","1") = "6"
    & skf21("2","5","2","3","7","4","5","1") = "6"
    & skf21("2","5","2","3","7","4","6","1") = "6"
    & skf21("2","5","2","3","7","4","7","1") = "6"
    & skf21("2","5","2","3","7","5","1","1") = "6"
    & skf21("2","5","2","3","7","5","2","1") = "6"
    & skf21("2","5","2","3","7","5","3","1") = "6"
    & skf21("2","5","2","3","7","5","4","1") = "6"
    & skf21("2","5","2","3","7","5","5","1") = "6"
    & skf21("2","5","2","3","7","5","6","1") = "6"
    & skf21("2","5","2","3","7","5","7","1") = "6"
    & skf21("2","5","2","3","7","6","1","1") = "6"
    & skf21("2","5","2","3","7","6","2","1") = "6"
    & skf21("2","5","2","3","7","6","3","1") = "6"
    & skf21("2","5","2","3","7","6","4","1") = "6"
    & skf21("2","5","2","3","7","6","5","1") = "6"
    & skf21("2","5","2","3","7","6","6","1") = "6"
    & skf21("2","5","2","3","7","6","7","1") = "6"
    & skf21("2","5","2","3","7","7","1","1") = "6"
    & skf21("2","5","2","3","7","7","2","1") = "6"
    & skf21("2","5","2","3","7","7","3","1") = "6"
    & skf21("2","5","2","3","7","7","4","1") = "6"
    & skf21("2","5","2","3","7","7","5","1") = "6"
    & skf21("2","5","2","3","7","7","6","1") = "6"
    & skf21("2","5","2","3","7","7","7","1") = "6"
    & skf21("2","5","2","4","1","1","1","1") = "4"
    & skf21("2","5","2","4","1","1","2","1") = "4"
    & skf21("2","5","2","4","1","1","3","1") = "4"
    & skf21("2","5","2","4","1","1","4","1") = "4"
    & skf21("2","5","2","4","1","1","5","1") = "4"
    & skf21("2","5","2","4","1","1","6","1") = "5"
    & skf21("2","5","2","4","1","1","7","1") = "6"
    & skf21("2","5","2","4","1","2","1","1") = "4"
    & skf21("2","5","2","4","1","2","2","1") = "4"
    & skf21("2","5","2","4","1","2","3","1") = "4"
    & skf21("2","5","2","4","1","2","4","1") = "4"
    & skf21("2","5","2","4","1","2","5","1") = "4"
    & skf21("2","5","2","4","1","2","6","1") = "5"
    & skf21("2","5","2","4","1","2","7","1") = "6"
    & skf21("2","5","2","4","1","3","1","1") = "4"
    & skf21("2","5","2","4","1","3","2","1") = "4"
    & skf21("2","5","2","4","1","3","3","1") = "4"
    & skf21("2","5","2","4","1","3","4","1") = "4"
    & skf21("2","5","2","4","1","3","5","1") = "4"
    & skf21("2","5","2","4","1","3","6","1") = "5"
    & skf21("2","5","2","4","1","3","7","1") = "6"
    & skf21("2","5","2","4","1","4","1","1") = "4"
    & skf21("2","5","2","4","1","4","2","1") = "4"
    & skf21("2","5","2","4","1","4","3","1") = "4"
    & skf21("2","5","2","4","1","4","4","1") = "4"
    & skf21("2","5","2","4","1","4","5","1") = "4"
    & skf21("2","5","2","4","1","4","6","1") = "5"
    & skf21("2","5","2","4","1","4","7","1") = "6"
    & skf21("2","5","2","4","1","5","1","1") = "4"
    & skf21("2","5","2","4","1","5","2","1") = "4"
    & skf21("2","5","2","4","1","5","3","1") = "4"
    & skf21("2","5","2","4","1","5","4","1") = "4"
    & skf21("2","5","2","4","1","5","5","1") = "4"
    & skf21("2","5","2","4","1","5","6","1") = "5"
    & skf21("2","5","2","4","1","5","7","1") = "6"
    & skf21("2","5","2","4","1","6","1","1") = "5"
    & skf21("2","5","2","4","1","6","2","1") = "5"
    & skf21("2","5","2","4","1","6","3","1") = "5"
    & skf21("2","5","2","4","1","6","4","1") = "5"
    & skf21("2","5","2","4","1","6","5","1") = "5"
    & skf21("2","5","2","4","1","6","6","1") = "5"
    & skf21("2","5","2","4","1","6","7","1") = "6"
    & skf21("2","5","2","4","1","7","1","1") = "6"
    & skf21("2","5","2","4","1","7","2","1") = "6"
    & skf21("2","5","2","4","1","7","3","1") = "6"
    & skf21("2","5","2","4","1","7","4","1") = "6"
    & skf21("2","5","2","4","1","7","5","1") = "6"
    & skf21("2","5","2","4","1","7","6","1") = "6"
    & skf21("2","5","2","4","1","7","7","1") = "6"
    & skf21("2","5","2","4","2","1","1","1") = "4"
    & skf21("2","5","2","4","2","1","2","1") = "4"
    & skf21("2","5","2","4","2","1","3","1") = "4"
    & skf21("2","5","2","4","2","1","4","1") = "4"
    & skf21("2","5","2","4","2","1","5","1") = "4"
    & skf21("2","5","2","4","2","1","6","1") = "5"
    & skf21("2","5","2","4","2","1","7","1") = "6"
    & skf21("2","5","2","4","2","2","1","1") = "4"
    & skf21("2","5","2","4","2","2","2","1") = "4"
    & skf21("2","5","2","4","2","2","3","1") = "4"
    & skf21("2","5","2","4","2","2","4","1") = "4"
    & skf21("2","5","2","4","2","2","5","1") = "4"
    & skf21("2","5","2","4","2","2","6","1") = "5"
    & skf21("2","5","2","4","2","2","7","1") = "6"
    & skf21("2","5","2","4","2","3","1","1") = "4"
    & skf21("2","5","2","4","2","3","2","1") = "4"
    & skf21("2","5","2","4","2","3","3","1") = "4"
    & skf21("2","5","2","4","2","3","4","1") = "4"
    & skf21("2","5","2","4","2","3","5","1") = "4"
    & skf21("2","5","2","4","2","3","6","1") = "5"
    & skf21("2","5","2","4","2","3","7","1") = "6"
    & skf21("2","5","2","4","2","4","1","1") = "4"
    & skf21("2","5","2","4","2","4","2","1") = "4"
    & skf21("2","5","2","4","2","4","3","1") = "4"
    & skf21("2","5","2","4","2","4","4","1") = "4"
    & skf21("2","5","2","4","2","4","5","1") = "4"
    & skf21("2","5","2","4","2","4","6","1") = "5"
    & skf21("2","5","2","4","2","4","7","1") = "6"
    & skf21("2","5","2","4","2","5","1","1") = "4"
    & skf21("2","5","2","4","2","5","2","1") = "4"
    & skf21("2","5","2","4","2","5","3","1") = "4"
    & skf21("2","5","2","4","2","5","4","1") = "4"
    & skf21("2","5","2","4","2","5","5","1") = "4"
    & skf21("2","5","2","4","2","5","6","1") = "5"
    & skf21("2","5","2","4","2","5","7","1") = "6"
    & skf21("2","5","2","4","2","6","1","1") = "5"
    & skf21("2","5","2","4","2","6","2","1") = "5"
    & skf21("2","5","2","4","2","6","3","1") = "5"
    & skf21("2","5","2","4","2","6","4","1") = "5"
    & skf21("2","5","2","4","2","6","5","1") = "5"
    & skf21("2","5","2","4","2","6","6","1") = "5"
    & skf21("2","5","2","4","2","6","7","1") = "6"
    & skf21("2","5","2","4","2","7","1","1") = "6"
    & skf21("2","5","2","4","2","7","2","1") = "6"
    & skf21("2","5","2","4","2","7","3","1") = "6"
    & skf21("2","5","2","4","2","7","4","1") = "6"
    & skf21("2","5","2","4","2","7","5","1") = "6"
    & skf21("2","5","2","4","2","7","6","1") = "6"
    & skf21("2","5","2","4","2","7","7","1") = "6"
    & skf21("2","5","2","4","3","1","1","1") = "4"
    & skf21("2","5","2","4","3","1","2","1") = "4"
    & skf21("2","5","2","4","3","1","3","1") = "4"
    & skf21("2","5","2","4","3","1","4","1") = "4"
    & skf21("2","5","2","4","3","1","5","1") = "4"
    & skf21("2","5","2","4","3","1","6","1") = "5"
    & skf21("2","5","2","4","3","1","7","1") = "6"
    & skf21("2","5","2","4","3","2","1","1") = "4"
    & skf21("2","5","2","4","3","2","2","1") = "4"
    & skf21("2","5","2","4","3","2","3","1") = "4"
    & skf21("2","5","2","4","3","2","4","1") = "4"
    & skf21("2","5","2","4","3","2","5","1") = "4"
    & skf21("2","5","2","4","3","2","6","1") = "5"
    & skf21("2","5","2","4","3","2","7","1") = "6"
    & skf21("2","5","2","4","3","3","1","1") = "4"
    & skf21("2","5","2","4","3","3","2","1") = "4"
    & skf21("2","5","2","4","3","3","3","1") = "4"
    & skf21("2","5","2","4","3","3","4","1") = "4"
    & skf21("2","5","2","4","3","3","5","1") = "4"
    & skf21("2","5","2","4","3","3","6","1") = "5"
    & skf21("2","5","2","4","3","3","7","1") = "6"
    & skf21("2","5","2","4","3","4","1","1") = "4"
    & skf21("2","5","2","4","3","4","2","1") = "4"
    & skf21("2","5","2","4","3","4","3","1") = "4"
    & skf21("2","5","2","4","3","4","4","1") = "4"
    & skf21("2","5","2","4","3","4","5","1") = "4"
    & skf21("2","5","2","4","3","4","6","1") = "5"
    & skf21("2","5","2","4","3","4","7","1") = "6"
    & skf21("2","5","2","4","3","5","1","1") = "4"
    & skf21("2","5","2","4","3","5","2","1") = "4"
    & skf21("2","5","2","4","3","5","3","1") = "4"
    & skf21("2","5","2","4","3","5","4","1") = "4"
    & skf21("2","5","2","4","3","5","5","1") = "4"
    & skf21("2","5","2","4","3","5","6","1") = "5"
    & skf21("2","5","2","4","3","5","7","1") = "6"
    & skf21("2","5","2","4","3","6","1","1") = "5"
    & skf21("2","5","2","4","3","6","2","1") = "5"
    & skf21("2","5","2","4","3","6","3","1") = "5"
    & skf21("2","5","2","4","3","6","4","1") = "5"
    & skf21("2","5","2","4","3","6","5","1") = "5"
    & skf21("2","5","2","4","3","6","6","1") = "5"
    & skf21("2","5","2","4","3","6","7","1") = "6"
    & skf21("2","5","2","4","3","7","1","1") = "6"
    & skf21("2","5","2","4","3","7","2","1") = "6"
    & skf21("2","5","2","4","3","7","3","1") = "6"
    & skf21("2","5","2","4","3","7","4","1") = "6"
    & skf21("2","5","2","4","3","7","5","1") = "6"
    & skf21("2","5","2","4","3","7","6","1") = "6"
    & skf21("2","5","2","4","3","7","7","1") = "6"
    & skf21("2","5","2","4","4","1","1","1") = "4"
    & skf21("2","5","2","4","4","1","2","1") = "4"
    & skf21("2","5","2","4","4","1","3","1") = "4"
    & skf21("2","5","2","4","4","1","4","1") = "4"
    & skf21("2","5","2","4","4","1","5","1") = "4"
    & skf21("2","5","2","4","4","1","6","1") = "5"
    & skf21("2","5","2","4","4","1","7","1") = "6"
    & skf21("2","5","2","4","4","2","1","1") = "4"
    & skf21("2","5","2","4","4","2","2","1") = "4"
    & skf21("2","5","2","4","4","2","3","1") = "4"
    & skf21("2","5","2","4","4","2","4","1") = "4"
    & skf21("2","5","2","4","4","2","5","1") = "4"
    & skf21("2","5","2","4","4","2","6","1") = "5"
    & skf21("2","5","2","4","4","2","7","1") = "6"
    & skf21("2","5","2","4","4","3","1","1") = "4"
    & skf21("2","5","2","4","4","3","2","1") = "4"
    & skf21("2","5","2","4","4","3","3","1") = "4"
    & skf21("2","5","2","4","4","3","4","1") = "4"
    & skf21("2","5","2","4","4","3","5","1") = "4"
    & skf21("2","5","2","4","4","3","6","1") = "5"
    & skf21("2","5","2","4","4","3","7","1") = "6"
    & skf21("2","5","2","4","4","4","1","1") = "4"
    & skf21("2","5","2","4","4","4","2","1") = "4"
    & skf21("2","5","2","4","4","4","3","1") = "4"
    & skf21("2","5","2","4","4","4","4","1") = "4"
    & skf21("2","5","2","4","4","4","5","1") = "4"
    & skf21("2","5","2","4","4","4","6","1") = "5"
    & skf21("2","5","2","4","4","4","7","1") = "6"
    & skf21("2","5","2","4","4","5","1","1") = "4"
    & skf21("2","5","2","4","4","5","2","1") = "4"
    & skf21("2","5","2","4","4","5","3","1") = "4"
    & skf21("2","5","2","4","4","5","4","1") = "4"
    & skf21("2","5","2","4","4","5","5","1") = "4"
    & skf21("2","5","2","4","4","5","6","1") = "5"
    & skf21("2","5","2","4","4","5","7","1") = "6"
    & skf21("2","5","2","4","4","6","1","1") = "5"
    & skf21("2","5","2","4","4","6","2","1") = "5"
    & skf21("2","5","2","4","4","6","3","1") = "5"
    & skf21("2","5","2","4","4","6","4","1") = "5"
    & skf21("2","5","2","4","4","6","5","1") = "5"
    & skf21("2","5","2","4","4","6","6","1") = "5"
    & skf21("2","5","2","4","4","6","7","1") = "6"
    & skf21("2","5","2","4","4","7","1","1") = "6"
    & skf21("2","5","2","4","4","7","2","1") = "6"
    & skf21("2","5","2","4","4","7","3","1") = "6"
    & skf21("2","5","2","4","4","7","4","1") = "6"
    & skf21("2","5","2","4","4","7","5","1") = "6"
    & skf21("2","5","2","4","4","7","6","1") = "6"
    & skf21("2","5","2","4","4","7","7","1") = "6"
    & skf21("2","5","2","4","5","1","1","1") = "4"
    & skf21("2","5","2","4","5","1","2","1") = "4"
    & skf21("2","5","2","4","5","1","3","1") = "4"
    & skf21("2","5","2","4","5","1","4","1") = "4"
    & skf21("2","5","2","4","5","1","5","1") = "4"
    & skf21("2","5","2","4","5","1","6","1") = "5"
    & skf21("2","5","2","4","5","1","7","1") = "6"
    & skf21("2","5","2","4","5","2","1","1") = "4"
    & skf21("2","5","2","4","5","2","2","1") = "4"
    & skf21("2","5","2","4","5","2","3","1") = "4"
    & skf21("2","5","2","4","5","2","4","1") = "4"
    & skf21("2","5","2","4","5","2","5","1") = "4"
    & skf21("2","5","2","4","5","2","6","1") = "5"
    & skf21("2","5","2","4","5","2","7","1") = "6"
    & skf21("2","5","2","4","5","3","1","1") = "4"
    & skf21("2","5","2","4","5","3","2","1") = "4"
    & skf21("2","5","2","4","5","3","3","1") = "4"
    & skf21("2","5","2","4","5","3","4","1") = "4"
    & skf21("2","5","2","4","5","3","5","1") = "4"
    & skf21("2","5","2","4","5","3","6","1") = "5"
    & skf21("2","5","2","4","5","3","7","1") = "6"
    & skf21("2","5","2","4","5","4","1","1") = "4"
    & skf21("2","5","2","4","5","4","2","1") = "4"
    & skf21("2","5","2","4","5","4","3","1") = "4"
    & skf21("2","5","2","4","5","4","4","1") = "4"
    & skf21("2","5","2","4","5","4","5","1") = "4"
    & skf21("2","5","2","4","5","4","6","1") = "5"
    & skf21("2","5","2","4","5","4","7","1") = "6"
    & skf21("2","5","2","4","5","5","1","1") = "4"
    & skf21("2","5","2","4","5","5","2","1") = "4"
    & skf21("2","5","2","4","5","5","3","1") = "4"
    & skf21("2","5","2","4","5","5","4","1") = "4"
    & skf21("2","5","2","4","5","5","5","1") = "4"
    & skf21("2","5","2","4","5","5","6","1") = "5"
    & skf21("2","5","2","4","5","5","7","1") = "6"
    & skf21("2","5","2","4","5","6","1","1") = "5"
    & skf21("2","5","2","4","5","6","2","1") = "5"
    & skf21("2","5","2","4","5","6","3","1") = "5"
    & skf21("2","5","2","4","5","6","4","1") = "5"
    & skf21("2","5","2","4","5","6","5","1") = "5"
    & skf21("2","5","2","4","5","6","6","1") = "5"
    & skf21("2","5","2","4","5","6","7","1") = "6"
    & skf21("2","5","2","4","5","7","1","1") = "6"
    & skf21("2","5","2","4","5","7","2","1") = "6"
    & skf21("2","5","2","4","5","7","3","1") = "6"
    & skf21("2","5","2","4","5","7","4","1") = "6"
    & skf21("2","5","2","4","5","7","5","1") = "6"
    & skf21("2","5","2","4","5","7","6","1") = "6"
    & skf21("2","5","2","4","5","7","7","1") = "6"
    & skf21("2","5","2","4","6","1","1","1") = "5"
    & skf21("2","5","2","4","6","1","2","1") = "5"
    & skf21("2","5","2","4","6","1","3","1") = "5"
    & skf21("2","5","2","4","6","1","4","1") = "5"
    & skf21("2","5","2","4","6","1","5","1") = "5"
    & skf21("2","5","2","4","6","1","6","1") = "5"
    & skf21("2","5","2","4","6","1","7","1") = "6"
    & skf21("2","5","2","4","6","2","1","1") = "5"
    & skf21("2","5","2","4","6","2","2","1") = "5"
    & skf21("2","5","2","4","6","2","3","1") = "5"
    & skf21("2","5","2","4","6","2","4","1") = "5"
    & skf21("2","5","2","4","6","2","5","1") = "5"
    & skf21("2","5","2","4","6","2","6","1") = "5"
    & skf21("2","5","2","4","6","2","7","1") = "6"
    & skf21("2","5","2","4","6","3","1","1") = "5"
    & skf21("2","5","2","4","6","3","2","1") = "5"
    & skf21("2","5","2","4","6","3","3","1") = "5"
    & skf21("2","5","2","4","6","3","4","1") = "5"
    & skf21("2","5","2","4","6","3","5","1") = "5"
    & skf21("2","5","2","4","6","3","6","1") = "5"
    & skf21("2","5","2","4","6","3","7","1") = "6"
    & skf21("2","5","2","4","6","4","1","1") = "5"
    & skf21("2","5","2","4","6","4","2","1") = "5"
    & skf21("2","5","2","4","6","4","3","1") = "5"
    & skf21("2","5","2","4","6","4","4","1") = "5"
    & skf21("2","5","2","4","6","4","5","1") = "5"
    & skf21("2","5","2","4","6","4","6","1") = "5"
    & skf21("2","5","2","4","6","4","7","1") = "6"
    & skf21("2","5","2","4","6","5","1","1") = "5"
    & skf21("2","5","2","4","6","5","2","1") = "5"
    & skf21("2","5","2","4","6","5","3","1") = "5"
    & skf21("2","5","2","4","6","5","4","1") = "5"
    & skf21("2","5","2","4","6","5","5","1") = "5"
    & skf21("2","5","2","4","6","5","6","1") = "5"
    & skf21("2","5","2","4","6","5","7","1") = "6"
    & skf21("2","5","2","4","6","6","1","1") = "5"
    & skf21("2","5","2","4","6","6","2","1") = "5"
    & skf21("2","5","2","4","6","6","3","1") = "5"
    & skf21("2","5","2","4","6","6","4","1") = "5"
    & skf21("2","5","2","4","6","6","5","1") = "5"
    & skf21("2","5","2","4","6","6","6","1") = "5"
    & skf21("2","5","2","4","6","6","7","1") = "6"
    & skf21("2","5","2","4","6","7","1","1") = "6"
    & skf21("2","5","2","4","6","7","2","1") = "6"
    & skf21("2","5","2","4","6","7","3","1") = "6"
    & skf21("2","5","2","4","6","7","4","1") = "6"
    & skf21("2","5","2","4","6","7","5","1") = "6"
    & skf21("2","5","2","4","6","7","6","1") = "6"
    & skf21("2","5","2","4","6","7","7","1") = "6"
    & skf21("2","5","2","4","7","1","1","1") = "6"
    & skf21("2","5","2","4","7","1","2","1") = "6"
    & skf21("2","5","2","4","7","1","3","1") = "6"
    & skf21("2","5","2","4","7","1","4","1") = "6"
    & skf21("2","5","2","4","7","1","5","1") = "6"
    & skf21("2","5","2","4","7","1","6","1") = "6"
    & skf21("2","5","2","4","7","1","7","1") = "6"
    & skf21("2","5","2","4","7","2","1","1") = "6"
    & skf21("2","5","2","4","7","2","2","1") = "6"
    & skf21("2","5","2","4","7","2","3","1") = "6"
    & skf21("2","5","2","4","7","2","4","1") = "6"
    & skf21("2","5","2","4","7","2","5","1") = "6"
    & skf21("2","5","2","4","7","2","6","1") = "6"
    & skf21("2","5","2","4","7","2","7","1") = "6"
    & skf21("2","5","2","4","7","3","1","1") = "6"
    & skf21("2","5","2","4","7","3","2","1") = "6"
    & skf21("2","5","2","4","7","3","3","1") = "6"
    & skf21("2","5","2","4","7","3","4","1") = "6"
    & skf21("2","5","2","4","7","3","5","1") = "6"
    & skf21("2","5","2","4","7","3","6","1") = "6"
    & skf21("2","5","2","4","7","3","7","1") = "6"
    & skf21("2","5","2","4","7","4","1","1") = "6"
    & skf21("2","5","2","4","7","4","2","1") = "6"
    & skf21("2","5","2","4","7","4","3","1") = "6"
    & skf21("2","5","2","4","7","4","4","1") = "6"
    & skf21("2","5","2","4","7","4","5","1") = "6"
    & skf21("2","5","2","4","7","4","6","1") = "6"
    & skf21("2","5","2","4","7","4","7","1") = "6"
    & skf21("2","5","2","4","7","5","1","1") = "6"
    & skf21("2","5","2","4","7","5","2","1") = "6"
    & skf21("2","5","2","4","7","5","3","1") = "6"
    & skf21("2","5","2","4","7","5","4","1") = "6"
    & skf21("2","5","2","4","7","5","5","1") = "6"
    & skf21("2","5","2","4","7","5","6","1") = "6"
    & skf21("2","5","2","4","7","5","7","1") = "6"
    & skf21("2","5","2","4","7","6","1","1") = "6"
    & skf21("2","5","2","4","7","6","2","1") = "6"
    & skf21("2","5","2","4","7","6","3","1") = "6"
    & skf21("2","5","2","4","7","6","4","1") = "6"
    & skf21("2","5","2","4","7","6","5","1") = "6"
    & skf21("2","5","2","4","7","6","6","1") = "6"
    & skf21("2","5","2","4","7","6","7","1") = "6"
    & skf21("2","5","2","4","7","7","1","1") = "6"
    & skf21("2","5","2","4","7","7","2","1") = "6"
    & skf21("2","5","2","4","7","7","3","1") = "6"
    & skf21("2","5","2","4","7","7","4","1") = "6"
    & skf21("2","5","2","4","7","7","5","1") = "6"
    & skf21("2","5","2","4","7","7","6","1") = "6"
    & skf21("2","5","2","4","7","7","7","1") = "6"
    & skf21("2","5","2","5","1","1","1","1") = "4"
    & skf21("2","5","2","5","1","1","2","1") = "4"
    & skf21("2","5","2","5","1","1","3","1") = "4"
    & skf21("2","5","2","5","1","1","4","1") = "4"
    & skf21("2","5","2","5","1","1","5","1") = "4"
    & skf21("2","5","2","5","1","1","6","1") = "5"
    & skf21("2","5","2","5","1","1","7","1") = "6"
    & skf21("2","5","2","5","1","2","1","1") = "4"
    & skf21("2","5","2","5","1","2","2","1") = "4"
    & skf21("2","5","2","5","1","2","3","1") = "4"
    & skf21("2","5","2","5","1","2","4","1") = "4"
    & skf21("2","5","2","5","1","2","5","1") = "4"
    & skf21("2","5","2","5","1","2","6","1") = "5"
    & skf21("2","5","2","5","1","2","7","1") = "6"
    & skf21("2","5","2","5","1","3","1","1") = "4"
    & skf21("2","5","2","5","1","3","2","1") = "4"
    & skf21("2","5","2","5","1","3","3","1") = "4"
    & skf21("2","5","2","5","1","3","4","1") = "4"
    & skf21("2","5","2","5","1","3","5","1") = "4"
    & skf21("2","5","2","5","1","3","6","1") = "5"
    & skf21("2","5","2","5","1","3","7","1") = "6"
    & skf21("2","5","2","5","1","4","1","1") = "4"
    & skf21("2","5","2","5","1","4","2","1") = "4"
    & skf21("2","5","2","5","1","4","3","1") = "4"
    & skf21("2","5","2","5","1","4","4","1") = "4"
    & skf21("2","5","2","5","1","4","5","1") = "4"
    & skf21("2","5","2","5","1","4","6","1") = "5"
    & skf21("2","5","2","5","1","4","7","1") = "6"
    & skf21("2","5","2","5","1","5","1","1") = "4"
    & skf21("2","5","2","5","1","5","2","1") = "4"
    & skf21("2","5","2","5","1","5","3","1") = "4"
    & skf21("2","5","2","5","1","5","4","1") = "4"
    & skf21("2","5","2","5","1","5","5","1") = "4"
    & skf21("2","5","2","5","1","5","6","1") = "5"
    & skf21("2","5","2","5","1","5","7","1") = "6"
    & skf21("2","5","2","5","1","6","1","1") = "5"
    & skf21("2","5","2","5","1","6","2","1") = "5"
    & skf21("2","5","2","5","1","6","3","1") = "5"
    & skf21("2","5","2","5","1","6","4","1") = "5"
    & skf21("2","5","2","5","1","6","5","1") = "5"
    & skf21("2","5","2","5","1","6","6","1") = "5"
    & skf21("2","5","2","5","1","6","7","1") = "6"
    & skf21("2","5","2","5","1","7","1","1") = "6"
    & skf21("2","5","2","5","1","7","2","1") = "6"
    & skf21("2","5","2","5","1","7","3","1") = "6"
    & skf21("2","5","2","5","1","7","4","1") = "6"
    & skf21("2","5","2","5","1","7","5","1") = "6"
    & skf21("2","5","2","5","1","7","6","1") = "6"
    & skf21("2","5","2","5","1","7","7","1") = "6"
    & skf21("2","5","2","5","2","1","1","1") = "4"
    & skf21("2","5","2","5","2","1","2","1") = "4"
    & skf21("2","5","2","5","2","1","3","1") = "4"
    & skf21("2","5","2","5","2","1","4","1") = "4"
    & skf21("2","5","2","5","2","1","5","1") = "4"
    & skf21("2","5","2","5","2","1","6","1") = "5"
    & skf21("2","5","2","5","2","1","7","1") = "6"
    & skf21("2","5","2","5","2","2","1","1") = "4"
    & skf21("2","5","2","5","2","2","2","1") = "4"
    & skf21("2","5","2","5","2","2","3","1") = "4"
    & skf21("2","5","2","5","2","2","4","1") = "4"
    & skf21("2","5","2","5","2","2","5","1") = "4"
    & skf21("2","5","2","5","2","2","6","1") = "5"
    & skf21("2","5","2","5","2","2","7","1") = "6"
    & skf21("2","5","2","5","2","3","1","1") = "4"
    & skf21("2","5","2","5","2","3","2","1") = "4"
    & skf21("2","5","2","5","2","3","3","1") = "4"
    & skf21("2","5","2","5","2","3","4","1") = "4"
    & skf21("2","5","2","5","2","3","5","1") = "4"
    & skf21("2","5","2","5","2","3","6","1") = "5"
    & skf21("2","5","2","5","2","3","7","1") = "6"
    & skf21("2","5","2","5","2","4","1","1") = "4"
    & skf21("2","5","2","5","2","4","2","1") = "4"
    & skf21("2","5","2","5","2","4","3","1") = "4"
    & skf21("2","5","2","5","2","4","4","1") = "4"
    & skf21("2","5","2","5","2","4","5","1") = "4"
    & skf21("2","5","2","5","2","4","6","1") = "5"
    & skf21("2","5","2","5","2","4","7","1") = "6"
    & skf21("2","5","2","5","2","5","1","1") = "4"
    & skf21("2","5","2","5","2","5","2","1") = "4"
    & skf21("2","5","2","5","2","5","3","1") = "4"
    & skf21("2","5","2","5","2","5","4","1") = "4"
    & skf21("2","5","2","5","2","5","5","1") = "4"
    & skf21("2","5","2","5","2","5","6","1") = "5"
    & skf21("2","5","2","5","2","5","7","1") = "6"
    & skf21("2","5","2","5","2","6","1","1") = "5"
    & skf21("2","5","2","5","2","6","2","1") = "5"
    & skf21("2","5","2","5","2","6","3","1") = "5"
    & skf21("2","5","2","5","2","6","4","1") = "5"
    & skf21("2","5","2","5","2","6","5","1") = "5"
    & skf21("2","5","2","5","2","6","6","1") = "5"
    & skf21("2","5","2","5","2","6","7","1") = "6"
    & skf21("2","5","2","5","2","7","1","1") = "6"
    & skf21("2","5","2","5","2","7","2","1") = "6"
    & skf21("2","5","2","5","2","7","3","1") = "6"
    & skf21("2","5","2","5","2","7","4","1") = "6"
    & skf21("2","5","2","5","2","7","5","1") = "6"
    & skf21("2","5","2","5","2","7","6","1") = "6"
    & skf21("2","5","2","5","2","7","7","1") = "6"
    & skf21("2","5","2","5","3","1","1","1") = "4"
    & skf21("2","5","2","5","3","1","2","1") = "4"
    & skf21("2","5","2","5","3","1","3","1") = "4"
    & skf21("2","5","2","5","3","1","4","1") = "4"
    & skf21("2","5","2","5","3","1","5","1") = "4"
    & skf21("2","5","2","5","3","1","6","1") = "5"
    & skf21("2","5","2","5","3","1","7","1") = "6"
    & skf21("2","5","2","5","3","2","1","1") = "4"
    & skf21("2","5","2","5","3","2","2","1") = "4"
    & skf21("2","5","2","5","3","2","3","1") = "4"
    & skf21("2","5","2","5","3","2","4","1") = "4"
    & skf21("2","5","2","5","3","2","5","1") = "4"
    & skf21("2","5","2","5","3","2","6","1") = "5"
    & skf21("2","5","2","5","3","2","7","1") = "6"
    & skf21("2","5","2","5","3","3","1","1") = "4"
    & skf21("2","5","2","5","3","3","2","1") = "4"
    & skf21("2","5","2","5","3","3","3","1") = "4"
    & skf21("2","5","2","5","3","3","4","1") = "4"
    & skf21("2","5","2","5","3","3","5","1") = "4"
    & skf21("2","5","2","5","3","3","6","1") = "5"
    & skf21("2","5","2","5","3","3","7","1") = "6"
    & skf21("2","5","2","5","3","4","1","1") = "4"
    & skf21("2","5","2","5","3","4","2","1") = "4"
    & skf21("2","5","2","5","3","4","3","1") = "4"
    & skf21("2","5","2","5","3","4","4","1") = "4"
    & skf21("2","5","2","5","3","4","5","1") = "4"
    & skf21("2","5","2","5","3","4","6","1") = "5"
    & skf21("2","5","2","5","3","4","7","1") = "6"
    & skf21("2","5","2","5","3","5","1","1") = "4"
    & skf21("2","5","2","5","3","5","2","1") = "4"
    & skf21("2","5","2","5","3","5","3","1") = "4"
    & skf21("2","5","2","5","3","5","4","1") = "4"
    & skf21("2","5","2","5","3","5","5","1") = "4"
    & skf21("2","5","2","5","3","5","6","1") = "5"
    & skf21("2","5","2","5","3","5","7","1") = "6"
    & skf21("2","5","2","5","3","6","1","1") = "5"
    & skf21("2","5","2","5","3","6","2","1") = "5"
    & skf21("2","5","2","5","3","6","3","1") = "5"
    & skf21("2","5","2","5","3","6","4","1") = "5"
    & skf21("2","5","2","5","3","6","5","1") = "5"
    & skf21("2","5","2","5","3","6","6","1") = "5"
    & skf21("2","5","2","5","3","6","7","1") = "6"
    & skf21("2","5","2","5","3","7","1","1") = "6"
    & skf21("2","5","2","5","3","7","2","1") = "6"
    & skf21("2","5","2","5","3","7","3","1") = "6"
    & skf21("2","5","2","5","3","7","4","1") = "6"
    & skf21("2","5","2","5","3","7","5","1") = "6"
    & skf21("2","5","2","5","3","7","6","1") = "6"
    & skf21("2","5","2","5","3","7","7","1") = "6"
    & skf21("2","5","2","5","4","1","1","1") = "4"
    & skf21("2","5","2","5","4","1","2","1") = "4"
    & skf21("2","5","2","5","4","1","3","1") = "4"
    & skf21("2","5","2","5","4","1","4","1") = "4"
    & skf21("2","5","2","5","4","1","5","1") = "4"
    & skf21("2","5","2","5","4","1","6","1") = "5"
    & skf21("2","5","2","5","4","1","7","1") = "6"
    & skf21("2","5","2","5","4","2","1","1") = "4"
    & skf21("2","5","2","5","4","2","2","1") = "4"
    & skf21("2","5","2","5","4","2","3","1") = "4"
    & skf21("2","5","2","5","4","2","4","1") = "4"
    & skf21("2","5","2","5","4","2","5","1") = "4"
    & skf21("2","5","2","5","4","2","6","1") = "5"
    & skf21("2","5","2","5","4","2","7","1") = "6"
    & skf21("2","5","2","5","4","3","1","1") = "4"
    & skf21("2","5","2","5","4","3","2","1") = "4"
    & skf21("2","5","2","5","4","3","3","1") = "4"
    & skf21("2","5","2","5","4","3","4","1") = "4"
    & skf21("2","5","2","5","4","3","5","1") = "4"
    & skf21("2","5","2","5","4","3","6","1") = "5"
    & skf21("2","5","2","5","4","3","7","1") = "6"
    & skf21("2","5","2","5","4","4","1","1") = "4"
    & skf21("2","5","2","5","4","4","2","1") = "4"
    & skf21("2","5","2","5","4","4","3","1") = "4"
    & skf21("2","5","2","5","4","4","4","1") = "4"
    & skf21("2","5","2","5","4","4","5","1") = "4"
    & skf21("2","5","2","5","4","4","6","1") = "5"
    & skf21("2","5","2","5","4","4","7","1") = "6"
    & skf21("2","5","2","5","4","5","1","1") = "4"
    & skf21("2","5","2","5","4","5","2","1") = "4"
    & skf21("2","5","2","5","4","5","3","1") = "4"
    & skf21("2","5","2","5","4","5","4","1") = "4"
    & skf21("2","5","2","5","4","5","5","1") = "4"
    & skf21("2","5","2","5","4","5","6","1") = "5"
    & skf21("2","5","2","5","4","5","7","1") = "6"
    & skf21("2","5","2","5","4","6","1","1") = "5"
    & skf21("2","5","2","5","4","6","2","1") = "5"
    & skf21("2","5","2","5","4","6","3","1") = "5"
    & skf21("2","5","2","5","4","6","4","1") = "5"
    & skf21("2","5","2","5","4","6","5","1") = "5"
    & skf21("2","5","2","5","4","6","6","1") = "5"
    & skf21("2","5","2","5","4","6","7","1") = "6"
    & skf21("2","5","2","5","4","7","1","1") = "6"
    & skf21("2","5","2","5","4","7","2","1") = "6"
    & skf21("2","5","2","5","4","7","3","1") = "6"
    & skf21("2","5","2","5","4","7","4","1") = "6"
    & skf21("2","5","2","5","4","7","5","1") = "6"
    & skf21("2","5","2","5","4","7","6","1") = "6"
    & skf21("2","5","2","5","4","7","7","1") = "6"
    & skf21("2","5","2","5","5","1","1","1") = "4"
    & skf21("2","5","2","5","5","1","2","1") = "4"
    & skf21("2","5","2","5","5","1","3","1") = "4"
    & skf21("2","5","2","5","5","1","4","1") = "4"
    & skf21("2","5","2","5","5","1","5","1") = "4"
    & skf21("2","5","2","5","5","1","6","1") = "5"
    & skf21("2","5","2","5","5","1","7","1") = "6"
    & skf21("2","5","2","5","5","2","1","1") = "4"
    & skf21("2","5","2","5","5","2","2","1") = "4"
    & skf21("2","5","2","5","5","2","3","1") = "4"
    & skf21("2","5","2","5","5","2","4","1") = "4"
    & skf21("2","5","2","5","5","2","5","1") = "4"
    & skf21("2","5","2","5","5","2","6","1") = "5"
    & skf21("2","5","2","5","5","2","7","1") = "6"
    & skf21("2","5","2","5","5","3","1","1") = "4"
    & skf21("2","5","2","5","5","3","2","1") = "4"
    & skf21("2","5","2","5","5","3","3","1") = "4"
    & skf21("2","5","2","5","5","3","4","1") = "4"
    & skf21("2","5","2","5","5","3","5","1") = "4"
    & skf21("2","5","2","5","5","3","6","1") = "5"
    & skf21("2","5","2","5","5","3","7","1") = "6"
    & skf21("2","5","2","5","5","4","1","1") = "4"
    & skf21("2","5","2","5","5","4","2","1") = "4"
    & skf21("2","5","2","5","5","4","3","1") = "4"
    & skf21("2","5","2","5","5","4","4","1") = "4"
    & skf21("2","5","2","5","5","4","5","1") = "4"
    & skf21("2","5","2","5","5","4","6","1") = "5"
    & skf21("2","5","2","5","5","4","7","1") = "6"
    & skf21("2","5","2","5","5","5","1","1") = "4"
    & skf21("2","5","2","5","5","5","2","1") = "4"
    & skf21("2","5","2","5","5","5","3","1") = "4"
    & skf21("2","5","2","5","5","5","4","1") = "4"
    & skf21("2","5","2","5","5","5","5","1") = "4"
    & skf21("2","5","2","5","5","5","6","1") = "5"
    & skf21("2","5","2","5","5","5","7","1") = "6"
    & skf21("2","5","2","5","5","6","1","1") = "5"
    & skf21("2","5","2","5","5","6","2","1") = "5"
    & skf21("2","5","2","5","5","6","3","1") = "5"
    & skf21("2","5","2","5","5","6","4","1") = "5"
    & skf21("2","5","2","5","5","6","5","1") = "5"
    & skf21("2","5","2","5","5","6","6","1") = "5"
    & skf21("2","5","2","5","5","6","7","1") = "6"
    & skf21("2","5","2","5","5","7","1","1") = "6"
    & skf21("2","5","2","5","5","7","2","1") = "6"
    & skf21("2","5","2","5","5","7","3","1") = "6"
    & skf21("2","5","2","5","5","7","4","1") = "6"
    & skf21("2","5","2","5","5","7","5","1") = "6"
    & skf21("2","5","2","5","5","7","6","1") = "6"
    & skf21("2","5","2","5","5","7","7","1") = "6"
    & skf21("2","5","2","5","6","1","1","1") = "5"
    & skf21("2","5","2","5","6","1","2","1") = "5"
    & skf21("2","5","2","5","6","1","3","1") = "5"
    & skf21("2","5","2","5","6","1","4","1") = "5"
    & skf21("2","5","2","5","6","1","5","1") = "5"
    & skf21("2","5","2","5","6","1","6","1") = "5"
    & skf21("2","5","2","5","6","1","7","1") = "6"
    & skf21("2","5","2","5","6","2","1","1") = "5"
    & skf21("2","5","2","5","6","2","2","1") = "5"
    & skf21("2","5","2","5","6","2","3","1") = "5"
    & skf21("2","5","2","5","6","2","4","1") = "5"
    & skf21("2","5","2","5","6","2","5","1") = "5"
    & skf21("2","5","2","5","6","2","6","1") = "5"
    & skf21("2","5","2","5","6","2","7","1") = "6"
    & skf21("2","5","2","5","6","3","1","1") = "5"
    & skf21("2","5","2","5","6","3","2","1") = "5"
    & skf21("2","5","2","5","6","3","3","1") = "5"
    & skf21("2","5","2","5","6","3","4","1") = "5"
    & skf21("2","5","2","5","6","3","5","1") = "5"
    & skf21("2","5","2","5","6","3","6","1") = "5"
    & skf21("2","5","2","5","6","3","7","1") = "6"
    & skf21("2","5","2","5","6","4","1","1") = "5"
    & skf21("2","5","2","5","6","4","2","1") = "5"
    & skf21("2","5","2","5","6","4","3","1") = "5"
    & skf21("2","5","2","5","6","4","4","1") = "5"
    & skf21("2","5","2","5","6","4","5","1") = "5"
    & skf21("2","5","2","5","6","4","6","1") = "5"
    & skf21("2","5","2","5","6","4","7","1") = "6"
    & skf21("2","5","2","5","6","5","1","1") = "5"
    & skf21("2","5","2","5","6","5","2","1") = "5"
    & skf21("2","5","2","5","6","5","3","1") = "5"
    & skf21("2","5","2","5","6","5","4","1") = "5"
    & skf21("2","5","2","5","6","5","5","1") = "5"
    & skf21("2","5","2","5","6","5","6","1") = "5"
    & skf21("2","5","2","5","6","5","7","1") = "6"
    & skf21("2","5","2","5","6","6","1","1") = "5"
    & skf21("2","5","2","5","6","6","2","1") = "5"
    & skf21("2","5","2","5","6","6","3","1") = "5"
    & skf21("2","5","2","5","6","6","4","1") = "5"
    & skf21("2","5","2","5","6","6","5","1") = "5"
    & skf21("2","5","2","5","6","6","6","1") = "5"
    & skf21("2","5","2","5","6","6","7","1") = "6"
    & skf21("2","5","2","5","6","7","1","1") = "6"
    & skf21("2","5","2","5","6","7","2","1") = "6"
    & skf21("2","5","2","5","6","7","3","1") = "6"
    & skf21("2","5","2","5","6","7","4","1") = "6"
    & skf21("2","5","2","5","6","7","5","1") = "6"
    & skf21("2","5","2","5","6","7","6","1") = "6"
    & skf21("2","5","2","5","6","7","7","1") = "6"
    & skf21("2","5","2","5","7","1","1","1") = "6"
    & skf21("2","5","2","5","7","1","2","1") = "6"
    & skf21("2","5","2","5","7","1","3","1") = "6"
    & skf21("2","5","2","5","7","1","4","1") = "6"
    & skf21("2","5","2","5","7","1","5","1") = "6"
    & skf21("2","5","2","5","7","1","6","1") = "6"
    & skf21("2","5","2","5","7","1","7","1") = "6"
    & skf21("2","5","2","5","7","2","1","1") = "6"
    & skf21("2","5","2","5","7","2","2","1") = "6"
    & skf21("2","5","2","5","7","2","3","1") = "6"
    & skf21("2","5","2","5","7","2","4","1") = "6"
    & skf21("2","5","2","5","7","2","5","1") = "6"
    & skf21("2","5","2","5","7","2","6","1") = "6"
    & skf21("2","5","2","5","7","2","7","1") = "6"
    & skf21("2","5","2","5","7","3","1","1") = "6"
    & skf21("2","5","2","5","7","3","2","1") = "6"
    & skf21("2","5","2","5","7","3","3","1") = "6"
    & skf21("2","5","2","5","7","3","4","1") = "6"
    & skf21("2","5","2","5","7","3","5","1") = "6"
    & skf21("2","5","2","5","7","3","6","1") = "6"
    & skf21("2","5","2","5","7","3","7","1") = "6"
    & skf21("2","5","2","5","7","4","1","1") = "6"
    & skf21("2","5","2","5","7","4","2","1") = "6"
    & skf21("2","5","2","5","7","4","3","1") = "6"
    & skf21("2","5","2","5","7","4","4","1") = "6"
    & skf21("2","5","2","5","7","4","5","1") = "6"
    & skf21("2","5","2","5","7","4","6","1") = "6"
    & skf21("2","5","2","5","7","4","7","1") = "6"
    & skf21("2","5","2","5","7","5","1","1") = "6"
    & skf21("2","5","2","5","7","5","2","1") = "6"
    & skf21("2","5","2","5","7","5","3","1") = "6"
    & skf21("2","5","2","5","7","5","4","1") = "6"
    & skf21("2","5","2","5","7","5","5","1") = "6"
    & skf21("2","5","2","5","7","5","6","1") = "6"
    & skf21("2","5","2","5","7","5","7","1") = "6"
    & skf21("2","5","2","5","7","6","1","1") = "6"
    & skf21("2","5","2","5","7","6","2","1") = "6"
    & skf21("2","5","2","5","7","6","3","1") = "6"
    & skf21("2","5","2","5","7","6","4","1") = "6"
    & skf21("2","5","2","5","7","6","5","1") = "6"
    & skf21("2","5","2","5","7","6","6","1") = "6"
    & skf21("2","5","2","5","7","6","7","1") = "6"
    & skf21("2","5","2","5","7","7","1","1") = "6"
    & skf21("2","5","2","5","7","7","2","1") = "6"
    & skf21("2","5","2","5","7","7","3","1") = "6"
    & skf21("2","5","2","5","7","7","4","1") = "6"
    & skf21("2","5","2","5","7","7","5","1") = "6"
    & skf21("2","5","2","5","7","7","6","1") = "6"
    & skf21("2","5","2","5","7","7","7","1") = "6"
    & skf21("2","5","2","6","1","1","1","1") = "5"
    & skf21("2","5","2","6","1","1","2","1") = "5"
    & skf21("2","5","2","6","1","1","3","1") = "5"
    & skf21("2","5","2","6","1","1","4","1") = "5"
    & skf21("2","5","2","6","1","1","5","1") = "5"
    & skf21("2","5","2","6","1","1","6","1") = "5"
    & skf21("2","5","2","6","1","1","7","1") = "6"
    & skf21("2","5","2","6","1","2","1","1") = "5"
    & skf21("2","5","2","6","1","2","2","1") = "5"
    & skf21("2","5","2","6","1","2","3","1") = "5"
    & skf21("2","5","2","6","1","2","4","1") = "5"
    & skf21("2","5","2","6","1","2","5","1") = "5"
    & skf21("2","5","2","6","1","2","6","1") = "5"
    & skf21("2","5","2","6","1","2","7","1") = "6"
    & skf21("2","5","2","6","1","3","1","1") = "5"
    & skf21("2","5","2","6","1","3","2","1") = "5"
    & skf21("2","5","2","6","1","3","3","1") = "5"
    & skf21("2","5","2","6","1","3","4","1") = "5"
    & skf21("2","5","2","6","1","3","5","1") = "5"
    & skf21("2","5","2","6","1","3","6","1") = "5"
    & skf21("2","5","2","6","1","3","7","1") = "6"
    & skf21("2","5","2","6","1","4","1","1") = "5"
    & skf21("2","5","2","6","1","4","2","1") = "5"
    & skf21("2","5","2","6","1","4","3","1") = "5"
    & skf21("2","5","2","6","1","4","4","1") = "5"
    & skf21("2","5","2","6","1","4","5","1") = "5"
    & skf21("2","5","2","6","1","4","6","1") = "5"
    & skf21("2","5","2","6","1","4","7","1") = "6"
    & skf21("2","5","2","6","1","5","1","1") = "5"
    & skf21("2","5","2","6","1","5","2","1") = "5"
    & skf21("2","5","2","6","1","5","3","1") = "5"
    & skf21("2","5","2","6","1","5","4","1") = "5"
    & skf21("2","5","2","6","1","5","5","1") = "5"
    & skf21("2","5","2","6","1","5","6","1") = "5"
    & skf21("2","5","2","6","1","5","7","1") = "6"
    & skf21("2","5","2","6","1","6","1","1") = "5"
    & skf21("2","5","2","6","1","6","2","1") = "5"
    & skf21("2","5","2","6","1","6","3","1") = "5"
    & skf21("2","5","2","6","1","6","4","1") = "5"
    & skf21("2","5","2","6","1","6","5","1") = "5"
    & skf21("2","5","2","6","1","6","6","1") = "5"
    & skf21("2","5","2","6","1","6","7","1") = "6"
    & skf21("2","5","2","6","1","7","1","1") = "6"
    & skf21("2","5","2","6","1","7","2","1") = "6"
    & skf21("2","5","2","6","1","7","3","1") = "6"
    & skf21("2","5","2","6","1","7","4","1") = "6"
    & skf21("2","5","2","6","1","7","5","1") = "6"
    & skf21("2","5","2","6","1","7","6","1") = "6"
    & skf21("2","5","2","6","1","7","7","1") = "6"
    & skf21("2","5","2","6","2","1","1","1") = "5"
    & skf21("2","5","2","6","2","1","2","1") = "5"
    & skf21("2","5","2","6","2","1","3","1") = "5"
    & skf21("2","5","2","6","2","1","4","1") = "5"
    & skf21("2","5","2","6","2","1","5","1") = "5"
    & skf21("2","5","2","6","2","1","6","1") = "5"
    & skf21("2","5","2","6","2","1","7","1") = "6"
    & skf21("2","5","2","6","2","2","1","1") = "5"
    & skf21("2","5","2","6","2","2","2","1") = "5"
    & skf21("2","5","2","6","2","2","3","1") = "5"
    & skf21("2","5","2","6","2","2","4","1") = "5"
    & skf21("2","5","2","6","2","2","5","1") = "5"
    & skf21("2","5","2","6","2","2","6","1") = "5"
    & skf21("2","5","2","6","2","2","7","1") = "6"
    & skf21("2","5","2","6","2","3","1","1") = "5"
    & skf21("2","5","2","6","2","3","2","1") = "5"
    & skf21("2","5","2","6","2","3","3","1") = "5"
    & skf21("2","5","2","6","2","3","4","1") = "5"
    & skf21("2","5","2","6","2","3","5","1") = "5"
    & skf21("2","5","2","6","2","3","6","1") = "5"
    & skf21("2","5","2","6","2","3","7","1") = "6"
    & skf21("2","5","2","6","2","4","1","1") = "5"
    & skf21("2","5","2","6","2","4","2","1") = "5"
    & skf21("2","5","2","6","2","4","3","1") = "5"
    & skf21("2","5","2","6","2","4","4","1") = "5"
    & skf21("2","5","2","6","2","4","5","1") = "5"
    & skf21("2","5","2","6","2","4","6","1") = "5"
    & skf21("2","5","2","6","2","4","7","1") = "6"
    & skf21("2","5","2","6","2","5","1","1") = "5"
    & skf21("2","5","2","6","2","5","2","1") = "5"
    & skf21("2","5","2","6","2","5","3","1") = "5"
    & skf21("2","5","2","6","2","5","4","1") = "5"
    & skf21("2","5","2","6","2","5","5","1") = "5"
    & skf21("2","5","2","6","2","5","6","1") = "5"
    & skf21("2","5","2","6","2","5","7","1") = "6"
    & skf21("2","5","2","6","2","6","1","1") = "5"
    & skf21("2","5","2","6","2","6","2","1") = "5"
    & skf21("2","5","2","6","2","6","3","1") = "5"
    & skf21("2","5","2","6","2","6","4","1") = "5"
    & skf21("2","5","2","6","2","6","5","1") = "5"
    & skf21("2","5","2","6","2","6","6","1") = "5"
    & skf21("2","5","2","6","2","6","7","1") = "6"
    & skf21("2","5","2","6","2","7","1","1") = "6"
    & skf21("2","5","2","6","2","7","2","1") = "6"
    & skf21("2","5","2","6","2","7","3","1") = "6"
    & skf21("2","5","2","6","2","7","4","1") = "6"
    & skf21("2","5","2","6","2","7","5","1") = "6"
    & skf21("2","5","2","6","2","7","6","1") = "6"
    & skf21("2","5","2","6","2","7","7","1") = "6"
    & skf21("2","5","2","6","3","1","1","1") = "5"
    & skf21("2","5","2","6","3","1","2","1") = "5"
    & skf21("2","5","2","6","3","1","3","1") = "5"
    & skf21("2","5","2","6","3","1","4","1") = "5"
    & skf21("2","5","2","6","3","1","5","1") = "5"
    & skf21("2","5","2","6","3","1","6","1") = "5"
    & skf21("2","5","2","6","3","1","7","1") = "6"
    & skf21("2","5","2","6","3","2","1","1") = "5"
    & skf21("2","5","2","6","3","2","2","1") = "5"
    & skf21("2","5","2","6","3","2","3","1") = "5"
    & skf21("2","5","2","6","3","2","4","1") = "5"
    & skf21("2","5","2","6","3","2","5","1") = "5"
    & skf21("2","5","2","6","3","2","6","1") = "5"
    & skf21("2","5","2","6","3","2","7","1") = "6"
    & skf21("2","5","2","6","3","3","1","1") = "5"
    & skf21("2","5","2","6","3","3","2","1") = "5"
    & skf21("2","5","2","6","3","3","3","1") = "5"
    & skf21("2","5","2","6","3","3","4","1") = "5"
    & skf21("2","5","2","6","3","3","5","1") = "5"
    & skf21("2","5","2","6","3","3","6","1") = "5"
    & skf21("2","5","2","6","3","3","7","1") = "6"
    & skf21("2","5","2","6","3","4","1","1") = "5"
    & skf21("2","5","2","6","3","4","2","1") = "5"
    & skf21("2","5","2","6","3","4","3","1") = "5"
    & skf21("2","5","2","6","3","4","4","1") = "5"
    & skf21("2","5","2","6","3","4","5","1") = "5"
    & skf21("2","5","2","6","3","4","6","1") = "5"
    & skf21("2","5","2","6","3","4","7","1") = "6"
    & skf21("2","5","2","6","3","5","1","1") = "5"
    & skf21("2","5","2","6","3","5","2","1") = "5"
    & skf21("2","5","2","6","3","5","3","1") = "5"
    & skf21("2","5","2","6","3","5","4","1") = "5"
    & skf21("2","5","2","6","3","5","5","1") = "5"
    & skf21("2","5","2","6","3","5","6","1") = "5"
    & skf21("2","5","2","6","3","5","7","1") = "6"
    & skf21("2","5","2","6","3","6","1","1") = "5"
    & skf21("2","5","2","6","3","6","2","1") = "5"
    & skf21("2","5","2","6","3","6","3","1") = "5"
    & skf21("2","5","2","6","3","6","4","1") = "5"
    & skf21("2","5","2","6","3","6","5","1") = "5"
    & skf21("2","5","2","6","3","6","6","1") = "5"
    & skf21("2","5","2","6","3","6","7","1") = "6"
    & skf21("2","5","2","6","3","7","1","1") = "6"
    & skf21("2","5","2","6","3","7","2","1") = "6"
    & skf21("2","5","2","6","3","7","3","1") = "6"
    & skf21("2","5","2","6","3","7","4","1") = "6"
    & skf21("2","5","2","6","3","7","5","1") = "6"
    & skf21("2","5","2","6","3","7","6","1") = "6"
    & skf21("2","5","2","6","3","7","7","1") = "6"
    & skf21("2","5","2","6","4","1","1","1") = "5"
    & skf21("2","5","2","6","4","1","2","1") = "5"
    & skf21("2","5","2","6","4","1","3","1") = "5"
    & skf21("2","5","2","6","4","1","4","1") = "5"
    & skf21("2","5","2","6","4","1","5","1") = "5"
    & skf21("2","5","2","6","4","1","6","1") = "5"
    & skf21("2","5","2","6","4","1","7","1") = "6"
    & skf21("2","5","2","6","4","2","1","1") = "5"
    & skf21("2","5","2","6","4","2","2","1") = "5"
    & skf21("2","5","2","6","4","2","3","1") = "5"
    & skf21("2","5","2","6","4","2","4","1") = "5"
    & skf21("2","5","2","6","4","2","5","1") = "5"
    & skf21("2","5","2","6","4","2","6","1") = "5"
    & skf21("2","5","2","6","4","2","7","1") = "6"
    & skf21("2","5","2","6","4","3","1","1") = "5"
    & skf21("2","5","2","6","4","3","2","1") = "5"
    & skf21("2","5","2","6","4","3","3","1") = "5"
    & skf21("2","5","2","6","4","3","4","1") = "5"
    & skf21("2","5","2","6","4","3","5","1") = "5"
    & skf21("2","5","2","6","4","3","6","1") = "5"
    & skf21("2","5","2","6","4","3","7","1") = "6"
    & skf21("2","5","2","6","4","4","1","1") = "5"
    & skf21("2","5","2","6","4","4","2","1") = "5"
    & skf21("2","5","2","6","4","4","3","1") = "5"
    & skf21("2","5","2","6","4","4","4","1") = "5"
    & skf21("2","5","2","6","4","4","5","1") = "5"
    & skf21("2","5","2","6","4","4","6","1") = "5"
    & skf21("2","5","2","6","4","4","7","1") = "6"
    & skf21("2","5","2","6","4","5","1","1") = "5"
    & skf21("2","5","2","6","4","5","2","1") = "5"
    & skf21("2","5","2","6","4","5","3","1") = "5"
    & skf21("2","5","2","6","4","5","4","1") = "5"
    & skf21("2","5","2","6","4","5","5","1") = "5"
    & skf21("2","5","2","6","4","5","6","1") = "5"
    & skf21("2","5","2","6","4","5","7","1") = "6"
    & skf21("2","5","2","6","4","6","1","1") = "5"
    & skf21("2","5","2","6","4","6","2","1") = "5"
    & skf21("2","5","2","6","4","6","3","1") = "5"
    & skf21("2","5","2","6","4","6","4","1") = "5"
    & skf21("2","5","2","6","4","6","5","1") = "5"
    & skf21("2","5","2","6","4","6","6","1") = "5"
    & skf21("2","5","2","6","4","6","7","1") = "6"
    & skf21("2","5","2","6","4","7","1","1") = "6"
    & skf21("2","5","2","6","4","7","2","1") = "6"
    & skf21("2","5","2","6","4","7","3","1") = "6"
    & skf21("2","5","2","6","4","7","4","1") = "6"
    & skf21("2","5","2","6","4","7","5","1") = "6"
    & skf21("2","5","2","6","4","7","6","1") = "6"
    & skf21("2","5","2","6","4","7","7","1") = "6"
    & skf21("2","5","2","6","5","1","1","1") = "5"
    & skf21("2","5","2","6","5","1","2","1") = "5"
    & skf21("2","5","2","6","5","1","3","1") = "5"
    & skf21("2","5","2","6","5","1","4","1") = "5"
    & skf21("2","5","2","6","5","1","5","1") = "5"
    & skf21("2","5","2","6","5","1","6","1") = "5"
    & skf21("2","5","2","6","5","1","7","1") = "6"
    & skf21("2","5","2","6","5","2","1","1") = "5"
    & skf21("2","5","2","6","5","2","2","1") = "5"
    & skf21("2","5","2","6","5","2","3","1") = "5"
    & skf21("2","5","2","6","5","2","4","1") = "5"
    & skf21("2","5","2","6","5","2","5","1") = "5"
    & skf21("2","5","2","6","5","2","6","1") = "5"
    & skf21("2","5","2","6","5","2","7","1") = "6"
    & skf21("2","5","2","6","5","3","1","1") = "5"
    & skf21("2","5","2","6","5","3","2","1") = "5"
    & skf21("2","5","2","6","5","3","3","1") = "5"
    & skf21("2","5","2","6","5","3","4","1") = "5"
    & skf21("2","5","2","6","5","3","5","1") = "5"
    & skf21("2","5","2","6","5","3","6","1") = "5"
    & skf21("2","5","2","6","5","3","7","1") = "6"
    & skf21("2","5","2","6","5","4","1","1") = "5"
    & skf21("2","5","2","6","5","4","2","1") = "5"
    & skf21("2","5","2","6","5","4","3","1") = "5"
    & skf21("2","5","2","6","5","4","4","1") = "5"
    & skf21("2","5","2","6","5","4","5","1") = "5"
    & skf21("2","5","2","6","5","4","6","1") = "5"
    & skf21("2","5","2","6","5","4","7","1") = "6"
    & skf21("2","5","2","6","5","5","1","1") = "5"
    & skf21("2","5","2","6","5","5","2","1") = "5"
    & skf21("2","5","2","6","5","5","3","1") = "5"
    & skf21("2","5","2","6","5","5","4","1") = "5"
    & skf21("2","5","2","6","5","5","5","1") = "5"
    & skf21("2","5","2","6","5","5","6","1") = "5"
    & skf21("2","5","2","6","5","5","7","1") = "6"
    & skf21("2","5","2","6","5","6","1","1") = "5"
    & skf21("2","5","2","6","5","6","2","1") = "5"
    & skf21("2","5","2","6","5","6","3","1") = "5"
    & skf21("2","5","2","6","5","6","4","1") = "5"
    & skf21("2","5","2","6","5","6","5","1") = "5"
    & skf21("2","5","2","6","5","6","6","1") = "5"
    & skf21("2","5","2","6","5","6","7","1") = "6"
    & skf21("2","5","2","6","5","7","1","1") = "6"
    & skf21("2","5","2","6","5","7","2","1") = "6"
    & skf21("2","5","2","6","5","7","3","1") = "6"
    & skf21("2","5","2","6","5","7","4","1") = "6"
    & skf21("2","5","2","6","5","7","5","1") = "6"
    & skf21("2","5","2","6","5","7","6","1") = "6"
    & skf21("2","5","2","6","5","7","7","1") = "6"
    & skf21("2","5","2","6","6","1","1","1") = "5"
    & skf21("2","5","2","6","6","1","2","1") = "5"
    & skf21("2","5","2","6","6","1","3","1") = "5"
    & skf21("2","5","2","6","6","1","4","1") = "5"
    & skf21("2","5","2","6","6","1","5","1") = "5"
    & skf21("2","5","2","6","6","1","6","1") = "5"
    & skf21("2","5","2","6","6","1","7","1") = "6"
    & skf21("2","5","2","6","6","2","1","1") = "5"
    & skf21("2","5","2","6","6","2","2","1") = "5"
    & skf21("2","5","2","6","6","2","3","1") = "5"
    & skf21("2","5","2","6","6","2","4","1") = "5"
    & skf21("2","5","2","6","6","2","5","1") = "5"
    & skf21("2","5","2","6","6","2","6","1") = "5"
    & skf21("2","5","2","6","6","2","7","1") = "6"
    & skf21("2","5","2","6","6","3","1","1") = "5"
    & skf21("2","5","2","6","6","3","2","1") = "5"
    & skf21("2","5","2","6","6","3","3","1") = "5"
    & skf21("2","5","2","6","6","3","4","1") = "5"
    & skf21("2","5","2","6","6","3","5","1") = "5"
    & skf21("2","5","2","6","6","3","6","1") = "5"
    & skf21("2","5","2","6","6","3","7","1") = "6"
    & skf21("2","5","2","6","6","4","1","1") = "5"
    & skf21("2","5","2","6","6","4","2","1") = "5"
    & skf21("2","5","2","6","6","4","3","1") = "5"
    & skf21("2","5","2","6","6","4","4","1") = "5"
    & skf21("2","5","2","6","6","4","5","1") = "5"
    & skf21("2","5","2","6","6","4","6","1") = "5"
    & skf21("2","5","2","6","6","4","7","1") = "6"
    & skf21("2","5","2","6","6","5","1","1") = "5"
    & skf21("2","5","2","6","6","5","2","1") = "5"
    & skf21("2","5","2","6","6","5","3","1") = "5"
    & skf21("2","5","2","6","6","5","4","1") = "5"
    & skf21("2","5","2","6","6","5","5","1") = "5"
    & skf21("2","5","2","6","6","5","6","1") = "5"
    & skf21("2","5","2","6","6","5","7","1") = "6"
    & skf21("2","5","2","6","6","6","1","1") = "5"
    & skf21("2","5","2","6","6","6","2","1") = "5"
    & skf21("2","5","2","6","6","6","3","1") = "5"
    & skf21("2","5","2","6","6","6","4","1") = "5"
    & skf21("2","5","2","6","6","6","5","1") = "5"
    & skf21("2","5","2","6","6","6","6","1") = "5"
    & skf21("2","5","2","6","6","6","7","1") = "6"
    & skf21("2","5","2","6","6","7","1","1") = "6"
    & skf21("2","5","2","6","6","7","2","1") = "6"
    & skf21("2","5","2","6","6","7","3","1") = "6"
    & skf21("2","5","2","6","6","7","4","1") = "6"
    & skf21("2","5","2","6","6","7","5","1") = "6"
    & skf21("2","5","2","6","6","7","6","1") = "6"
    & skf21("2","5","2","6","6","7","7","1") = "6"
    & skf21("2","5","2","6","7","1","1","1") = "6"
    & skf21("2","5","2","6","7","1","2","1") = "6"
    & skf21("2","5","2","6","7","1","3","1") = "6"
    & skf21("2","5","2","6","7","1","4","1") = "6"
    & skf21("2","5","2","6","7","1","5","1") = "6"
    & skf21("2","5","2","6","7","1","6","1") = "6"
    & skf21("2","5","2","6","7","1","7","1") = "6"
    & skf21("2","5","2","6","7","2","1","1") = "6"
    & skf21("2","5","2","6","7","2","2","1") = "6"
    & skf21("2","5","2","6","7","2","3","1") = "6"
    & skf21("2","5","2","6","7","2","4","1") = "6"
    & skf21("2","5","2","6","7","2","5","1") = "6"
    & skf21("2","5","2","6","7","2","6","1") = "6"
    & skf21("2","5","2","6","7","2","7","1") = "6"
    & skf21("2","5","2","6","7","3","1","1") = "6"
    & skf21("2","5","2","6","7","3","2","1") = "6"
    & skf21("2","5","2","6","7","3","3","1") = "6"
    & skf21("2","5","2","6","7","3","4","1") = "6"
    & skf21("2","5","2","6","7","3","5","1") = "6"
    & skf21("2","5","2","6","7","3","6","1") = "6"
    & skf21("2","5","2","6","7","3","7","1") = "6"
    & skf21("2","5","2","6","7","4","1","1") = "6"
    & skf21("2","5","2","6","7","4","2","1") = "6"
    & skf21("2","5","2","6","7","4","3","1") = "6"
    & skf21("2","5","2","6","7","4","4","1") = "6"
    & skf21("2","5","2","6","7","4","5","1") = "6"
    & skf21("2","5","2","6","7","4","6","1") = "6"
    & skf21("2","5","2","6","7","4","7","1") = "6"
    & skf21("2","5","2","6","7","5","1","1") = "6"
    & skf21("2","5","2","6","7","5","2","1") = "6"
    & skf21("2","5","2","6","7","5","3","1") = "6"
    & skf21("2","5","2","6","7","5","4","1") = "6"
    & skf21("2","5","2","6","7","5","5","1") = "6"
    & skf21("2","5","2","6","7","5","6","1") = "6"
    & skf21("2","5","2","6","7","5","7","1") = "6"
    & skf21("2","5","2","6","7","6","1","1") = "6"
    & skf21("2","5","2","6","7","6","2","1") = "6"
    & skf21("2","5","2","6","7","6","3","1") = "6"
    & skf21("2","5","2","6","7","6","4","1") = "6"
    & skf21("2","5","2","6","7","6","5","1") = "6"
    & skf21("2","5","2","6","7","6","6","1") = "6"
    & skf21("2","5","2","6","7","6","7","1") = "6"
    & skf21("2","5","2","6","7","7","1","1") = "6"
    & skf21("2","5","2","6","7","7","2","1") = "6"
    & skf21("2","5","2","6","7","7","3","1") = "6"
    & skf21("2","5","2","6","7","7","4","1") = "6"
    & skf21("2","5","2","6","7","7","5","1") = "6"
    & skf21("2","5","2","6","7","7","6","1") = "6"
    & skf21("2","5","2","6","7","7","7","1") = "6"
    & skf21("2","5","2","7","1","1","1","1") = "6"
    & skf21("2","5","2","7","1","1","2","1") = "6"
    & skf21("2","5","2","7","1","1","3","1") = "6"
    & skf21("2","5","2","7","1","1","4","1") = "6"
    & skf21("2","5","2","7","1","1","5","1") = "6"
    & skf21("2","5","2","7","1","1","6","1") = "6"
    & skf21("2","5","2","7","1","1","7","1") = "6"
    & skf21("2","5","2","7","1","2","1","1") = "6"
    & skf21("2","5","2","7","1","2","2","1") = "6"
    & skf21("2","5","2","7","1","2","3","1") = "6"
    & skf21("2","5","2","7","1","2","4","1") = "6"
    & skf21("2","5","2","7","1","2","5","1") = "6"
    & skf21("2","5","2","7","1","2","6","1") = "6"
    & skf21("2","5","2","7","1","2","7","1") = "6"
    & skf21("2","5","2","7","1","3","1","1") = "6"
    & skf21("2","5","2","7","1","3","2","1") = "6"
    & skf21("2","5","2","7","1","3","3","1") = "6"
    & skf21("2","5","2","7","1","3","4","1") = "6"
    & skf21("2","5","2","7","1","3","5","1") = "6"
    & skf21("2","5","2","7","1","3","6","1") = "6"
    & skf21("2","5","2","7","1","3","7","1") = "6"
    & skf21("2","5","2","7","1","4","1","1") = "6"
    & skf21("2","5","2","7","1","4","2","1") = "6"
    & skf21("2","5","2","7","1","4","3","1") = "6"
    & skf21("2","5","2","7","1","4","4","1") = "6"
    & skf21("2","5","2","7","1","4","5","1") = "6"
    & skf21("2","5","2","7","1","4","6","1") = "6"
    & skf21("2","5","2","7","1","4","7","1") = "6"
    & skf21("2","5","2","7","1","5","1","1") = "6"
    & skf21("2","5","2","7","1","5","2","1") = "6"
    & skf21("2","5","2","7","1","5","3","1") = "6"
    & skf21("2","5","2","7","1","5","4","1") = "6"
    & skf21("2","5","2","7","1","5","5","1") = "6"
    & skf21("2","5","2","7","1","5","6","1") = "6"
    & skf21("2","5","2","7","1","5","7","1") = "6"
    & skf21("2","5","2","7","1","6","1","1") = "6"
    & skf21("2","5","2","7","1","6","2","1") = "6"
    & skf21("2","5","2","7","1","6","3","1") = "6"
    & skf21("2","5","2","7","1","6","4","1") = "6"
    & skf21("2","5","2","7","1","6","5","1") = "6"
    & skf21("2","5","2","7","1","6","6","1") = "6"
    & skf21("2","5","2","7","1","6","7","1") = "6"
    & skf21("2","5","2","7","1","7","1","1") = "6"
    & skf21("2","5","2","7","1","7","2","1") = "6"
    & skf21("2","5","2","7","1","7","3","1") = "6"
    & skf21("2","5","2","7","1","7","4","1") = "6"
    & skf21("2","5","2","7","1","7","5","1") = "6"
    & skf21("2","5","2","7","1","7","6","1") = "6"
    & skf21("2","5","2","7","1","7","7","1") = "6"
    & skf21("2","5","2","7","2","1","1","1") = "6"
    & skf21("2","5","2","7","2","1","2","1") = "6"
    & skf21("2","5","2","7","2","1","3","1") = "6"
    & skf21("2","5","2","7","2","1","4","1") = "6"
    & skf21("2","5","2","7","2","1","5","1") = "6"
    & skf21("2","5","2","7","2","1","6","1") = "6"
    & skf21("2","5","2","7","2","1","7","1") = "6"
    & skf21("2","5","2","7","2","2","1","1") = "6"
    & skf21("2","5","2","7","2","2","2","1") = "6"
    & skf21("2","5","2","7","2","2","3","1") = "6"
    & skf21("2","5","2","7","2","2","4","1") = "6"
    & skf21("2","5","2","7","2","2","5","1") = "6"
    & skf21("2","5","2","7","2","2","6","1") = "6"
    & skf21("2","5","2","7","2","2","7","1") = "6"
    & skf21("2","5","2","7","2","3","1","1") = "6"
    & skf21("2","5","2","7","2","3","2","1") = "6"
    & skf21("2","5","2","7","2","3","3","1") = "6"
    & skf21("2","5","2","7","2","3","4","1") = "6"
    & skf21("2","5","2","7","2","3","5","1") = "6"
    & skf21("2","5","2","7","2","3","6","1") = "6"
    & skf21("2","5","2","7","2","3","7","1") = "6"
    & skf21("2","5","2","7","2","4","1","1") = "6"
    & skf21("2","5","2","7","2","4","2","1") = "6"
    & skf21("2","5","2","7","2","4","3","1") = "6"
    & skf21("2","5","2","7","2","4","4","1") = "6"
    & skf21("2","5","2","7","2","4","5","1") = "6"
    & skf21("2","5","2","7","2","4","6","1") = "6"
    & skf21("2","5","2","7","2","4","7","1") = "6"
    & skf21("2","5","2","7","2","5","1","1") = "6"
    & skf21("2","5","2","7","2","5","2","1") = "6"
    & skf21("2","5","2","7","2","5","3","1") = "6"
    & skf21("2","5","2","7","2","5","4","1") = "6"
    & skf21("2","5","2","7","2","5","5","1") = "6"
    & skf21("2","5","2","7","2","5","6","1") = "6"
    & skf21("2","5","2","7","2","5","7","1") = "6"
    & skf21("2","5","2","7","2","6","1","1") = "6"
    & skf21("2","5","2","7","2","6","2","1") = "6"
    & skf21("2","5","2","7","2","6","3","1") = "6"
    & skf21("2","5","2","7","2","6","4","1") = "6"
    & skf21("2","5","2","7","2","6","5","1") = "6"
    & skf21("2","5","2","7","2","6","6","1") = "6"
    & skf21("2","5","2","7","2","6","7","1") = "6"
    & skf21("2","5","2","7","2","7","1","1") = "6"
    & skf21("2","5","2","7","2","7","2","1") = "6"
    & skf21("2","5","2","7","2","7","3","1") = "6"
    & skf21("2","5","2","7","2","7","4","1") = "6"
    & skf21("2","5","2","7","2","7","5","1") = "6"
    & skf21("2","5","2","7","2","7","6","1") = "6"
    & skf21("2","5","2","7","2","7","7","1") = "6"
    & skf21("2","5","2","7","3","1","1","1") = "6"
    & skf21("2","5","2","7","3","1","2","1") = "6"
    & skf21("2","5","2","7","3","1","3","1") = "6"
    & skf21("2","5","2","7","3","1","4","1") = "6"
    & skf21("2","5","2","7","3","1","5","1") = "6"
    & skf21("2","5","2","7","3","1","6","1") = "6"
    & skf21("2","5","2","7","3","1","7","1") = "6"
    & skf21("2","5","2","7","3","2","1","1") = "6"
    & skf21("2","5","2","7","3","2","2","1") = "6"
    & skf21("2","5","2","7","3","2","3","1") = "6"
    & skf21("2","5","2","7","3","2","4","1") = "6"
    & skf21("2","5","2","7","3","2","5","1") = "6"
    & skf21("2","5","2","7","3","2","6","1") = "6"
    & skf21("2","5","2","7","3","2","7","1") = "6"
    & skf21("2","5","2","7","3","3","1","1") = "6"
    & skf21("2","5","2","7","3","3","2","1") = "6"
    & skf21("2","5","2","7","3","3","3","1") = "6"
    & skf21("2","5","2","7","3","3","4","1") = "6"
    & skf21("2","5","2","7","3","3","5","1") = "6"
    & skf21("2","5","2","7","3","3","6","1") = "6"
    & skf21("2","5","2","7","3","3","7","1") = "6"
    & skf21("2","5","2","7","3","4","1","1") = "6"
    & skf21("2","5","2","7","3","4","2","1") = "6"
    & skf21("2","5","2","7","3","4","3","1") = "6"
    & skf21("2","5","2","7","3","4","4","1") = "6"
    & skf21("2","5","2","7","3","4","5","1") = "6"
    & skf21("2","5","2","7","3","4","6","1") = "6"
    & skf21("2","5","2","7","3","4","7","1") = "6"
    & skf21("2","5","2","7","3","5","1","1") = "6"
    & skf21("2","5","2","7","3","5","2","1") = "6"
    & skf21("2","5","2","7","3","5","3","1") = "6"
    & skf21("2","5","2","7","3","5","4","1") = "6"
    & skf21("2","5","2","7","3","5","5","1") = "6"
    & skf21("2","5","2","7","3","5","6","1") = "6"
    & skf21("2","5","2","7","3","5","7","1") = "6"
    & skf21("2","5","2","7","3","6","1","1") = "6"
    & skf21("2","5","2","7","3","6","2","1") = "6"
    & skf21("2","5","2","7","3","6","3","1") = "6"
    & skf21("2","5","2","7","3","6","4","1") = "6"
    & skf21("2","5","2","7","3","6","5","1") = "6"
    & skf21("2","5","2","7","3","6","6","1") = "6"
    & skf21("2","5","2","7","3","6","7","1") = "6"
    & skf21("2","5","2","7","3","7","1","1") = "6"
    & skf21("2","5","2","7","3","7","2","1") = "6"
    & skf21("2","5","2","7","3","7","3","1") = "6"
    & skf21("2","5","2","7","3","7","4","1") = "6"
    & skf21("2","5","2","7","3","7","5","1") = "6"
    & skf21("2","5","2","7","3","7","6","1") = "6"
    & skf21("2","5","2","7","3","7","7","1") = "6"
    & skf21("2","5","2","7","4","1","1","1") = "6"
    & skf21("2","5","2","7","4","1","2","1") = "6"
    & skf21("2","5","2","7","4","1","3","1") = "6"
    & skf21("2","5","2","7","4","1","4","1") = "6"
    & skf21("2","5","2","7","4","1","5","1") = "6"
    & skf21("2","5","2","7","4","1","6","1") = "6"
    & skf21("2","5","2","7","4","1","7","1") = "6"
    & skf21("2","5","2","7","4","2","1","1") = "6"
    & skf21("2","5","2","7","4","2","2","1") = "6"
    & skf21("2","5","2","7","4","2","3","1") = "6"
    & skf21("2","5","2","7","4","2","4","1") = "6"
    & skf21("2","5","2","7","4","2","5","1") = "6"
    & skf21("2","5","2","7","4","2","6","1") = "6"
    & skf21("2","5","2","7","4","2","7","1") = "6"
    & skf21("2","5","2","7","4","3","1","1") = "6"
    & skf21("2","5","2","7","4","3","2","1") = "6"
    & skf21("2","5","2","7","4","3","3","1") = "6"
    & skf21("2","5","2","7","4","3","4","1") = "6"
    & skf21("2","5","2","7","4","3","5","1") = "6"
    & skf21("2","5","2","7","4","3","6","1") = "6"
    & skf21("2","5","2","7","4","3","7","1") = "6"
    & skf21("2","5","2","7","4","4","1","1") = "6"
    & skf21("2","5","2","7","4","4","2","1") = "6"
    & skf21("2","5","2","7","4","4","3","1") = "6"
    & skf21("2","5","2","7","4","4","4","1") = "6"
    & skf21("2","5","2","7","4","4","5","1") = "6"
    & skf21("2","5","2","7","4","4","6","1") = "6"
    & skf21("2","5","2","7","4","4","7","1") = "6"
    & skf21("2","5","2","7","4","5","1","1") = "6"
    & skf21("2","5","2","7","4","5","2","1") = "6"
    & skf21("2","5","2","7","4","5","3","1") = "6"
    & skf21("2","5","2","7","4","5","4","1") = "6"
    & skf21("2","5","2","7","4","5","5","1") = "6"
    & skf21("2","5","2","7","4","5","6","1") = "6"
    & skf21("2","5","2","7","4","5","7","1") = "6"
    & skf21("2","5","2","7","4","6","1","1") = "6"
    & skf21("2","5","2","7","4","6","2","1") = "6"
    & skf21("2","5","2","7","4","6","3","1") = "6"
    & skf21("2","5","2","7","4","6","4","1") = "6"
    & skf21("2","5","2","7","4","6","5","1") = "6"
    & skf21("2","5","2","7","4","6","6","1") = "6"
    & skf21("2","5","2","7","4","6","7","1") = "6"
    & skf21("2","5","2","7","4","7","1","1") = "6"
    & skf21("2","5","2","7","4","7","2","1") = "6"
    & skf21("2","5","2","7","4","7","3","1") = "6"
    & skf21("2","5","2","7","4","7","4","1") = "6"
    & skf21("2","5","2","7","4","7","5","1") = "6"
    & skf21("2","5","2","7","4","7","6","1") = "6"
    & skf21("2","5","2","7","4","7","7","1") = "6"
    & skf21("2","5","2","7","5","1","1","1") = "6"
    & skf21("2","5","2","7","5","1","2","1") = "6"
    & skf21("2","5","2","7","5","1","3","1") = "6"
    & skf21("2","5","2","7","5","1","4","1") = "6"
    & skf21("2","5","2","7","5","1","5","1") = "6"
    & skf21("2","5","2","7","5","1","6","1") = "6"
    & skf21("2","5","2","7","5","1","7","1") = "6"
    & skf21("2","5","2","7","5","2","1","1") = "6"
    & skf21("2","5","2","7","5","2","2","1") = "6"
    & skf21("2","5","2","7","5","2","3","1") = "6"
    & skf21("2","5","2","7","5","2","4","1") = "6"
    & skf21("2","5","2","7","5","2","5","1") = "6"
    & skf21("2","5","2","7","5","2","6","1") = "6"
    & skf21("2","5","2","7","5","2","7","1") = "6"
    & skf21("2","5","2","7","5","3","1","1") = "6"
    & skf21("2","5","2","7","5","3","2","1") = "6"
    & skf21("2","5","2","7","5","3","3","1") = "6"
    & skf21("2","5","2","7","5","3","4","1") = "6"
    & skf21("2","5","2","7","5","3","5","1") = "6"
    & skf21("2","5","2","7","5","3","6","1") = "6"
    & skf21("2","5","2","7","5","3","7","1") = "6"
    & skf21("2","5","2","7","5","4","1","1") = "6"
    & skf21("2","5","2","7","5","4","2","1") = "6"
    & skf21("2","5","2","7","5","4","3","1") = "6"
    & skf21("2","5","2","7","5","4","4","1") = "6"
    & skf21("2","5","2","7","5","4","5","1") = "6"
    & skf21("2","5","2","7","5","4","6","1") = "6"
    & skf21("2","5","2","7","5","4","7","1") = "6"
    & skf21("2","5","2","7","5","5","1","1") = "6"
    & skf21("2","5","2","7","5","5","2","1") = "6"
    & skf21("2","5","2","7","5","5","3","1") = "6"
    & skf21("2","5","2","7","5","5","4","1") = "6"
    & skf21("2","5","2","7","5","5","5","1") = "6"
    & skf21("2","5","2","7","5","5","6","1") = "6"
    & skf21("2","5","2","7","5","5","7","1") = "6"
    & skf21("2","5","2","7","5","6","1","1") = "6"
    & skf21("2","5","2","7","5","6","2","1") = "6"
    & skf21("2","5","2","7","5","6","3","1") = "6"
    & skf21("2","5","2","7","5","6","4","1") = "6"
    & skf21("2","5","2","7","5","6","5","1") = "6"
    & skf21("2","5","2","7","5","6","6","1") = "6"
    & skf21("2","5","2","7","5","6","7","1") = "6"
    & skf21("2","5","2","7","5","7","1","1") = "6"
    & skf21("2","5","2","7","5","7","2","1") = "6"
    & skf21("2","5","2","7","5","7","3","1") = "6"
    & skf21("2","5","2","7","5","7","4","1") = "6"
    & skf21("2","5","2","7","5","7","5","1") = "6"
    & skf21("2","5","2","7","5","7","6","1") = "6"
    & skf21("2","5","2","7","5","7","7","1") = "6"
    & skf21("2","5","2","7","6","1","1","1") = "6"
    & skf21("2","5","2","7","6","1","2","1") = "6"
    & skf21("2","5","2","7","6","1","3","1") = "6"
    & skf21("2","5","2","7","6","1","4","1") = "6"
    & skf21("2","5","2","7","6","1","5","1") = "6"
    & skf21("2","5","2","7","6","1","6","1") = "6"
    & skf21("2","5","2","7","6","1","7","1") = "6"
    & skf21("2","5","2","7","6","2","1","1") = "6"
    & skf21("2","5","2","7","6","2","2","1") = "6"
    & skf21("2","5","2","7","6","2","3","1") = "6"
    & skf21("2","5","2","7","6","2","4","1") = "6"
    & skf21("2","5","2","7","6","2","5","1") = "6"
    & skf21("2","5","2","7","6","2","6","1") = "6"
    & skf21("2","5","2","7","6","2","7","1") = "6"
    & skf21("2","5","2","7","6","3","1","1") = "6"
    & skf21("2","5","2","7","6","3","2","1") = "6"
    & skf21("2","5","2","7","6","3","3","1") = "6"
    & skf21("2","5","2","7","6","3","4","1") = "6"
    & skf21("2","5","2","7","6","3","5","1") = "6"
    & skf21("2","5","2","7","6","3","6","1") = "6"
    & skf21("2","5","2","7","6","3","7","1") = "6"
    & skf21("2","5","2","7","6","4","1","1") = "6"
    & skf21("2","5","2","7","6","4","2","1") = "6"
    & skf21("2","5","2","7","6","4","3","1") = "6"
    & skf21("2","5","2","7","6","4","4","1") = "6"
    & skf21("2","5","2","7","6","4","5","1") = "6"
    & skf21("2","5","2","7","6","4","6","1") = "6"
    & skf21("2","5","2","7","6","4","7","1") = "6"
    & skf21("2","5","2","7","6","5","1","1") = "6"
    & skf21("2","5","2","7","6","5","2","1") = "6"
    & skf21("2","5","2","7","6","5","3","1") = "6"
    & skf21("2","5","2","7","6","5","4","1") = "6"
    & skf21("2","5","2","7","6","5","5","1") = "6"
    & skf21("2","5","2","7","6","5","6","1") = "6"
    & skf21("2","5","2","7","6","5","7","1") = "6"
    & skf21("2","5","2","7","6","6","1","1") = "6"
    & skf21("2","5","2","7","6","6","2","1") = "6"
    & skf21("2","5","2","7","6","6","3","1") = "6"
    & skf21("2","5","2","7","6","6","4","1") = "6"
    & skf21("2","5","2","7","6","6","5","1") = "6"
    & skf21("2","5","2","7","6","6","6","1") = "6"
    & skf21("2","5","2","7","6","6","7","1") = "6"
    & skf21("2","5","2","7","6","7","1","1") = "6"
    & skf21("2","5","2","7","6","7","2","1") = "6"
    & skf21("2","5","2","7","6","7","3","1") = "6"
    & skf21("2","5","2","7","6","7","4","1") = "6"
    & skf21("2","5","2","7","6","7","5","1") = "6"
    & skf21("2","5","2","7","6","7","6","1") = "6"
    & skf21("2","5","2","7","6","7","7","1") = "6"
    & skf21("2","5","2","7","7","1","1","1") = "6"
    & skf21("2","5","2","7","7","1","2","1") = "6"
    & skf21("2","5","2","7","7","1","3","1") = "6"
    & skf21("2","5","2","7","7","1","4","1") = "6"
    & skf21("2","5","2","7","7","1","5","1") = "6"
    & skf21("2","5","2","7","7","1","6","1") = "6"
    & skf21("2","5","2","7","7","1","7","1") = "6"
    & skf21("2","5","2","7","7","2","1","1") = "6"
    & skf21("2","5","2","7","7","2","2","1") = "6"
    & skf21("2","5","2","7","7","2","3","1") = "6"
    & skf21("2","5","2","7","7","2","4","1") = "6"
    & skf21("2","5","2","7","7","2","5","1") = "6"
    & skf21("2","5","2","7","7","2","6","1") = "6"
    & skf21("2","5","2","7","7","2","7","1") = "6"
    & skf21("2","5","2","7","7","3","1","1") = "6"
    & skf21("2","5","2","7","7","3","2","1") = "6"
    & skf21("2","5","2","7","7","3","3","1") = "6"
    & skf21("2","5","2","7","7","3","4","1") = "6"
    & skf21("2","5","2","7","7","3","5","1") = "6"
    & skf21("2","5","2","7","7","3","6","1") = "6"
    & skf21("2","5","2","7","7","3","7","1") = "6"
    & skf21("2","5","2","7","7","4","1","1") = "6"
    & skf21("2","5","2","7","7","4","2","1") = "6"
    & skf21("2","5","2","7","7","4","3","1") = "6"
    & skf21("2","5","2","7","7","4","4","1") = "6"
    & skf21("2","5","2","7","7","4","5","1") = "6"
    & skf21("2","5","2","7","7","4","6","1") = "6"
    & skf21("2","5","2","7","7","4","7","1") = "6"
    & skf21("2","5","2","7","7","5","1","1") = "6"
    & skf21("2","5","2","7","7","5","2","1") = "6"
    & skf21("2","5","2","7","7","5","3","1") = "6"
    & skf21("2","5","2","7","7","5","4","1") = "6"
    & skf21("2","5","2","7","7","5","5","1") = "6"
    & skf21("2","5","2","7","7","5","6","1") = "6"
    & skf21("2","5","2","7","7","5","7","1") = "6"
    & skf21("2","5","2","7","7","6","1","1") = "6"
    & skf21("2","5","2","7","7","6","2","1") = "6"
    & skf21("2","5","2","7","7","6","3","1") = "6"
    & skf21("2","5","2","7","7","6","4","1") = "6"
    & skf21("2","5","2","7","7","6","5","1") = "6"
    & skf21("2","5","2","7","7","6","6","1") = "6"
    & skf21("2","5","2","7","7","6","7","1") = "6"
    & skf21("2","5","2","7","7","7","1","1") = "6"
    & skf21("2","5","2","7","7","7","2","1") = "6"
    & skf21("2","5","2","7","7","7","3","1") = "6"
    & skf21("2","5","2","7","7","7","4","1") = "6"
    & skf21("2","5","2","7","7","7","5","1") = "6"
    & skf21("2","5","2","7","7","7","6","1") = "6"
    & skf21("2","5","2","7","7","7","7","1") = "6"
    & skf21("2","5","3","1","1","1","1","1") = "4"
    & skf21("2","5","3","1","1","1","2","1") = "4"
    & skf21("2","5","3","1","1","1","3","1") = "4"
    & skf21("2","5","3","1","1","1","4","1") = "4"
    & skf21("2","5","3","1","1","1","5","1") = "4"
    & skf21("2","5","3","1","1","1","6","1") = "5"
    & skf21("2","5","3","1","1","1","7","1") = "6"
    & skf21("2","5","3","1","1","2","1","1") = "4"
    & skf21("2","5","3","1","1","2","2","1") = "4"
    & skf21("2","5","3","1","1","2","3","1") = "4"
    & skf21("2","5","3","1","1","2","4","1") = "4"
    & skf21("2","5","3","1","1","2","5","1") = "4"
    & skf21("2","5","3","1","1","2","6","1") = "5"
    & skf21("2","5","3","1","1","2","7","1") = "6"
    & skf21("2","5","3","1","1","3","1","1") = "4"
    & skf21("2","5","3","1","1","3","2","1") = "4"
    & skf21("2","5","3","1","1","3","3","1") = "4"
    & skf21("2","5","3","1","1","3","4","1") = "4"
    & skf21("2","5","3","1","1","3","5","1") = "4"
    & skf21("2","5","3","1","1","3","6","1") = "5"
    & skf21("2","5","3","1","1","3","7","1") = "6"
    & skf21("2","5","3","1","1","4","1","1") = "4"
    & skf21("2","5","3","1","1","4","2","1") = "4"
    & skf21("2","5","3","1","1","4","3","1") = "4"
    & skf21("2","5","3","1","1","4","4","1") = "4"
    & skf21("2","5","3","1","1","4","5","1") = "4"
    & skf21("2","5","3","1","1","4","6","1") = "5"
    & skf21("2","5","3","1","1","4","7","1") = "6"
    & skf21("2","5","3","1","1","5","1","1") = "4"
    & skf21("2","5","3","1","1","5","2","1") = "4"
    & skf21("2","5","3","1","1","5","3","1") = "4"
    & skf21("2","5","3","1","1","5","4","1") = "4"
    & skf21("2","5","3","1","1","5","5","1") = "4"
    & skf21("2","5","3","1","1","5","6","1") = "5"
    & skf21("2","5","3","1","1","5","7","1") = "6"
    & skf21("2","5","3","1","1","6","1","1") = "5"
    & skf21("2","5","3","1","1","6","2","1") = "5"
    & skf21("2","5","3","1","1","6","3","1") = "5"
    & skf21("2","5","3","1","1","6","4","1") = "5"
    & skf21("2","5","3","1","1","6","5","1") = "5"
    & skf21("2","5","3","1","1","6","6","1") = "5"
    & skf21("2","5","3","1","1","6","7","1") = "6"
    & skf21("2","5","3","1","1","7","1","1") = "6"
    & skf21("2","5","3","1","1","7","2","1") = "6"
    & skf21("2","5","3","1","1","7","3","1") = "6"
    & skf21("2","5","3","1","1","7","4","1") = "6"
    & skf21("2","5","3","1","1","7","5","1") = "6"
    & skf21("2","5","3","1","1","7","6","1") = "6"
    & skf21("2","5","3","1","1","7","7","1") = "6"
    & skf21("2","5","3","1","2","1","1","1") = "4"
    & skf21("2","5","3","1","2","1","2","1") = "4"
    & skf21("2","5","3","1","2","1","3","1") = "4"
    & skf21("2","5","3","1","2","1","4","1") = "4"
    & skf21("2","5","3","1","2","1","5","1") = "4"
    & skf21("2","5","3","1","2","1","6","1") = "5"
    & skf21("2","5","3","1","2","1","7","1") = "6"
    & skf21("2","5","3","1","2","2","1","1") = "4"
    & skf21("2","5","3","1","2","2","2","1") = "4"
    & skf21("2","5","3","1","2","2","3","1") = "4"
    & skf21("2","5","3","1","2","2","4","1") = "4"
    & skf21("2","5","3","1","2","2","5","1") = "4"
    & skf21("2","5","3","1","2","2","6","1") = "5"
    & skf21("2","5","3","1","2","2","7","1") = "6"
    & skf21("2","5","3","1","2","3","1","1") = "4"
    & skf21("2","5","3","1","2","3","2","1") = "4"
    & skf21("2","5","3","1","2","3","3","1") = "4"
    & skf21("2","5","3","1","2","3","4","1") = "4"
    & skf21("2","5","3","1","2","3","5","1") = "4"
    & skf21("2","5","3","1","2","3","6","1") = "5"
    & skf21("2","5","3","1","2","3","7","1") = "6"
    & skf21("2","5","3","1","2","4","1","1") = "4"
    & skf21("2","5","3","1","2","4","2","1") = "4"
    & skf21("2","5","3","1","2","4","3","1") = "4"
    & skf21("2","5","3","1","2","4","4","1") = "4"
    & skf21("2","5","3","1","2","4","5","1") = "4"
    & skf21("2","5","3","1","2","4","6","1") = "5"
    & skf21("2","5","3","1","2","4","7","1") = "6"
    & skf21("2","5","3","1","2","5","1","1") = "4"
    & skf21("2","5","3","1","2","5","2","1") = "4"
    & skf21("2","5","3","1","2","5","3","1") = "4"
    & skf21("2","5","3","1","2","5","4","1") = "4"
    & skf21("2","5","3","1","2","5","5","1") = "4"
    & skf21("2","5","3","1","2","5","6","1") = "5"
    & skf21("2","5","3","1","2","5","7","1") = "6"
    & skf21("2","5","3","1","2","6","1","1") = "5"
    & skf21("2","5","3","1","2","6","2","1") = "5"
    & skf21("2","5","3","1","2","6","3","1") = "5"
    & skf21("2","5","3","1","2","6","4","1") = "5"
    & skf21("2","5","3","1","2","6","5","1") = "5"
    & skf21("2","5","3","1","2","6","6","1") = "5"
    & skf21("2","5","3","1","2","6","7","1") = "6"
    & skf21("2","5","3","1","2","7","1","1") = "6"
    & skf21("2","5","3","1","2","7","2","1") = "6"
    & skf21("2","5","3","1","2","7","3","1") = "6"
    & skf21("2","5","3","1","2","7","4","1") = "6"
    & skf21("2","5","3","1","2","7","5","1") = "6"
    & skf21("2","5","3","1","2","7","6","1") = "6"
    & skf21("2","5","3","1","2","7","7","1") = "6"
    & skf21("2","5","3","1","3","1","1","1") = "4"
    & skf21("2","5","3","1","3","1","2","1") = "4"
    & skf21("2","5","3","1","3","1","3","1") = "4"
    & skf21("2","5","3","1","3","1","4","1") = "4"
    & skf21("2","5","3","1","3","1","5","1") = "4"
    & skf21("2","5","3","1","3","1","6","1") = "5"
    & skf21("2","5","3","1","3","1","7","1") = "6"
    & skf21("2","5","3","1","3","2","1","1") = "4"
    & skf21("2","5","3","1","3","2","2","1") = "4"
    & skf21("2","5","3","1","3","2","3","1") = "4"
    & skf21("2","5","3","1","3","2","4","1") = "4"
    & skf21("2","5","3","1","3","2","5","1") = "4"
    & skf21("2","5","3","1","3","2","6","1") = "5"
    & skf21("2","5","3","1","3","2","7","1") = "6"
    & skf21("2","5","3","1","3","3","1","1") = "4"
    & skf21("2","5","3","1","3","3","2","1") = "4"
    & skf21("2","5","3","1","3","3","3","1") = "4"
    & skf21("2","5","3","1","3","3","4","1") = "4"
    & skf21("2","5","3","1","3","3","5","1") = "4"
    & skf21("2","5","3","1","3","3","6","1") = "5"
    & skf21("2","5","3","1","3","3","7","1") = "6"
    & skf21("2","5","3","1","3","4","1","1") = "4"
    & skf21("2","5","3","1","3","4","2","1") = "4"
    & skf21("2","5","3","1","3","4","3","1") = "4"
    & skf21("2","5","3","1","3","4","4","1") = "4"
    & skf21("2","5","3","1","3","4","5","1") = "4"
    & skf21("2","5","3","1","3","4","6","1") = "5"
    & skf21("2","5","3","1","3","4","7","1") = "6"
    & skf21("2","5","3","1","3","5","1","1") = "4"
    & skf21("2","5","3","1","3","5","2","1") = "4"
    & skf21("2","5","3","1","3","5","3","1") = "4"
    & skf21("2","5","3","1","3","5","4","1") = "4"
    & skf21("2","5","3","1","3","5","5","1") = "4"
    & skf21("2","5","3","1","3","5","6","1") = "5"
    & skf21("2","5","3","1","3","5","7","1") = "6"
    & skf21("2","5","3","1","3","6","1","1") = "5"
    & skf21("2","5","3","1","3","6","2","1") = "5"
    & skf21("2","5","3","1","3","6","3","1") = "5"
    & skf21("2","5","3","1","3","6","4","1") = "5"
    & skf21("2","5","3","1","3","6","5","1") = "5"
    & skf21("2","5","3","1","3","6","6","1") = "5"
    & skf21("2","5","3","1","3","6","7","1") = "6"
    & skf21("2","5","3","1","3","7","1","1") = "6"
    & skf21("2","5","3","1","3","7","2","1") = "6"
    & skf21("2","5","3","1","3","7","3","1") = "6"
    & skf21("2","5","3","1","3","7","4","1") = "6"
    & skf21("2","5","3","1","3","7","5","1") = "6"
    & skf21("2","5","3","1","3","7","6","1") = "6"
    & skf21("2","5","3","1","3","7","7","1") = "6"
    & skf21("2","5","3","1","4","1","1","1") = "4"
    & skf21("2","5","3","1","4","1","2","1") = "4"
    & skf21("2","5","3","1","4","1","3","1") = "4"
    & skf21("2","5","3","1","4","1","4","1") = "4"
    & skf21("2","5","3","1","4","1","5","1") = "4"
    & skf21("2","5","3","1","4","1","6","1") = "5"
    & skf21("2","5","3","1","4","1","7","1") = "6"
    & skf21("2","5","3","1","4","2","1","1") = "4"
    & skf21("2","5","3","1","4","2","2","1") = "4"
    & skf21("2","5","3","1","4","2","3","1") = "4"
    & skf21("2","5","3","1","4","2","4","1") = "4"
    & skf21("2","5","3","1","4","2","5","1") = "4"
    & skf21("2","5","3","1","4","2","6","1") = "5"
    & skf21("2","5","3","1","4","2","7","1") = "6"
    & skf21("2","5","3","1","4","3","1","1") = "4"
    & skf21("2","5","3","1","4","3","2","1") = "4"
    & skf21("2","5","3","1","4","3","3","1") = "4"
    & skf21("2","5","3","1","4","3","4","1") = "4"
    & skf21("2","5","3","1","4","3","5","1") = "4"
    & skf21("2","5","3","1","4","3","6","1") = "5"
    & skf21("2","5","3","1","4","3","7","1") = "6"
    & skf21("2","5","3","1","4","4","1","1") = "4"
    & skf21("2","5","3","1","4","4","2","1") = "4"
    & skf21("2","5","3","1","4","4","3","1") = "4"
    & skf21("2","5","3","1","4","4","4","1") = "4"
    & skf21("2","5","3","1","4","4","5","1") = "4"
    & skf21("2","5","3","1","4","4","6","1") = "5"
    & skf21("2","5","3","1","4","4","7","1") = "6"
    & skf21("2","5","3","1","4","5","1","1") = "4"
    & skf21("2","5","3","1","4","5","2","1") = "4"
    & skf21("2","5","3","1","4","5","3","1") = "4"
    & skf21("2","5","3","1","4","5","4","1") = "4"
    & skf21("2","5","3","1","4","5","5","1") = "4"
    & skf21("2","5","3","1","4","5","6","1") = "5"
    & skf21("2","5","3","1","4","5","7","1") = "6"
    & skf21("2","5","3","1","4","6","1","1") = "5"
    & skf21("2","5","3","1","4","6","2","1") = "5"
    & skf21("2","5","3","1","4","6","3","1") = "5"
    & skf21("2","5","3","1","4","6","4","1") = "5"
    & skf21("2","5","3","1","4","6","5","1") = "5"
    & skf21("2","5","3","1","4","6","6","1") = "5"
    & skf21("2","5","3","1","4","6","7","1") = "6"
    & skf21("2","5","3","1","4","7","1","1") = "6"
    & skf21("2","5","3","1","4","7","2","1") = "6"
    & skf21("2","5","3","1","4","7","3","1") = "6"
    & skf21("2","5","3","1","4","7","4","1") = "6"
    & skf21("2","5","3","1","4","7","5","1") = "6"
    & skf21("2","5","3","1","4","7","6","1") = "6"
    & skf21("2","5","3","1","4","7","7","1") = "6"
    & skf21("2","5","3","1","5","1","1","1") = "4"
    & skf21("2","5","3","1","5","1","2","1") = "4"
    & skf21("2","5","3","1","5","1","3","1") = "4"
    & skf21("2","5","3","1","5","1","4","1") = "4"
    & skf21("2","5","3","1","5","1","5","1") = "4"
    & skf21("2","5","3","1","5","1","6","1") = "5"
    & skf21("2","5","3","1","5","1","7","1") = "6"
    & skf21("2","5","3","1","5","2","1","1") = "4"
    & skf21("2","5","3","1","5","2","2","1") = "4"
    & skf21("2","5","3","1","5","2","3","1") = "4"
    & skf21("2","5","3","1","5","2","4","1") = "4"
    & skf21("2","5","3","1","5","2","5","1") = "4"
    & skf21("2","5","3","1","5","2","6","1") = "5"
    & skf21("2","5","3","1","5","2","7","1") = "6"
    & skf21("2","5","3","1","5","3","1","1") = "4"
    & skf21("2","5","3","1","5","3","2","1") = "4"
    & skf21("2","5","3","1","5","3","3","1") = "4"
    & skf21("2","5","3","1","5","3","4","1") = "4"
    & skf21("2","5","3","1","5","3","5","1") = "4"
    & skf21("2","5","3","1","5","3","6","1") = "5"
    & skf21("2","5","3","1","5","3","7","1") = "6"
    & skf21("2","5","3","1","5","4","1","1") = "4"
    & skf21("2","5","3","1","5","4","2","1") = "4"
    & skf21("2","5","3","1","5","4","3","1") = "4"
    & skf21("2","5","3","1","5","4","4","1") = "4"
    & skf21("2","5","3","1","5","4","5","1") = "4"
    & skf21("2","5","3","1","5","4","6","1") = "5"
    & skf21("2","5","3","1","5","4","7","1") = "6"
    & skf21("2","5","3","1","5","5","1","1") = "4"
    & skf21("2","5","3","1","5","5","2","1") = "4"
    & skf21("2","5","3","1","5","5","3","1") = "4"
    & skf21("2","5","3","1","5","5","4","1") = "4"
    & skf21("2","5","3","1","5","5","5","1") = "4"
    & skf21("2","5","3","1","5","5","6","1") = "5"
    & skf21("2","5","3","1","5","5","7","1") = "6"
    & skf21("2","5","3","1","5","6","1","1") = "5"
    & skf21("2","5","3","1","5","6","2","1") = "5"
    & skf21("2","5","3","1","5","6","3","1") = "5"
    & skf21("2","5","3","1","5","6","4","1") = "5"
    & skf21("2","5","3","1","5","6","5","1") = "5"
    & skf21("2","5","3","1","5","6","6","1") = "5"
    & skf21("2","5","3","1","5","6","7","1") = "6"
    & skf21("2","5","3","1","5","7","1","1") = "6"
    & skf21("2","5","3","1","5","7","2","1") = "6"
    & skf21("2","5","3","1","5","7","3","1") = "6"
    & skf21("2","5","3","1","5","7","4","1") = "6"
    & skf21("2","5","3","1","5","7","5","1") = "6"
    & skf21("2","5","3","1","5","7","6","1") = "6"
    & skf21("2","5","3","1","5","7","7","1") = "6"
    & skf21("2","5","3","1","6","1","1","1") = "5"
    & skf21("2","5","3","1","6","1","2","1") = "5"
    & skf21("2","5","3","1","6","1","3","1") = "5"
    & skf21("2","5","3","1","6","1","4","1") = "5"
    & skf21("2","5","3","1","6","1","5","1") = "5"
    & skf21("2","5","3","1","6","1","6","1") = "5"
    & skf21("2","5","3","1","6","1","7","1") = "6"
    & skf21("2","5","3","1","6","2","1","1") = "5"
    & skf21("2","5","3","1","6","2","2","1") = "5"
    & skf21("2","5","3","1","6","2","3","1") = "5"
    & skf21("2","5","3","1","6","2","4","1") = "5"
    & skf21("2","5","3","1","6","2","5","1") = "5"
    & skf21("2","5","3","1","6","2","6","1") = "5"
    & skf21("2","5","3","1","6","2","7","1") = "6"
    & skf21("2","5","3","1","6","3","1","1") = "5"
    & skf21("2","5","3","1","6","3","2","1") = "5"
    & skf21("2","5","3","1","6","3","3","1") = "5"
    & skf21("2","5","3","1","6","3","4","1") = "5"
    & skf21("2","5","3","1","6","3","5","1") = "5"
    & skf21("2","5","3","1","6","3","6","1") = "5"
    & skf21("2","5","3","1","6","3","7","1") = "6"
    & skf21("2","5","3","1","6","4","1","1") = "5"
    & skf21("2","5","3","1","6","4","2","1") = "5"
    & skf21("2","5","3","1","6","4","3","1") = "5"
    & skf21("2","5","3","1","6","4","4","1") = "5"
    & skf21("2","5","3","1","6","4","5","1") = "5"
    & skf21("2","5","3","1","6","4","6","1") = "5"
    & skf21("2","5","3","1","6","4","7","1") = "6"
    & skf21("2","5","3","1","6","5","1","1") = "5"
    & skf21("2","5","3","1","6","5","2","1") = "5"
    & skf21("2","5","3","1","6","5","3","1") = "5"
    & skf21("2","5","3","1","6","5","4","1") = "5"
    & skf21("2","5","3","1","6","5","5","1") = "5"
    & skf21("2","5","3","1","6","5","6","1") = "5"
    & skf21("2","5","3","1","6","5","7","1") = "6"
    & skf21("2","5","3","1","6","6","1","1") = "5"
    & skf21("2","5","3","1","6","6","2","1") = "5"
    & skf21("2","5","3","1","6","6","3","1") = "5"
    & skf21("2","5","3","1","6","6","4","1") = "5"
    & skf21("2","5","3","1","6","6","5","1") = "5"
    & skf21("2","5","3","1","6","6","6","1") = "5"
    & skf21("2","5","3","1","6","6","7","1") = "6"
    & skf21("2","5","3","1","6","7","1","1") = "6"
    & skf21("2","5","3","1","6","7","2","1") = "6"
    & skf21("2","5","3","1","6","7","3","1") = "6"
    & skf21("2","5","3","1","6","7","4","1") = "6"
    & skf21("2","5","3","1","6","7","5","1") = "6"
    & skf21("2","5","3","1","6","7","6","1") = "6"
    & skf21("2","5","3","1","6","7","7","1") = "6"
    & skf21("2","5","3","1","7","1","1","1") = "6"
    & skf21("2","5","3","1","7","1","2","1") = "6"
    & skf21("2","5","3","1","7","1","3","1") = "6"
    & skf21("2","5","3","1","7","1","4","1") = "6"
    & skf21("2","5","3","1","7","1","5","1") = "6"
    & skf21("2","5","3","1","7","1","6","1") = "6"
    & skf21("2","5","3","1","7","1","7","1") = "6"
    & skf21("2","5","3","1","7","2","1","1") = "6"
    & skf21("2","5","3","1","7","2","2","1") = "6"
    & skf21("2","5","3","1","7","2","3","1") = "6"
    & skf21("2","5","3","1","7","2","4","1") = "6"
    & skf21("2","5","3","1","7","2","5","1") = "6"
    & skf21("2","5","3","1","7","2","6","1") = "6"
    & skf21("2","5","3","1","7","2","7","1") = "6"
    & skf21("2","5","3","1","7","3","1","1") = "6"
    & skf21("2","5","3","1","7","3","2","1") = "6"
    & skf21("2","5","3","1","7","3","3","1") = "6"
    & skf21("2","5","3","1","7","3","4","1") = "6"
    & skf21("2","5","3","1","7","3","5","1") = "6"
    & skf21("2","5","3","1","7","3","6","1") = "6"
    & skf21("2","5","3","1","7","3","7","1") = "6"
    & skf21("2","5","3","1","7","4","1","1") = "6"
    & skf21("2","5","3","1","7","4","2","1") = "6"
    & skf21("2","5","3","1","7","4","3","1") = "6"
    & skf21("2","5","3","1","7","4","4","1") = "6"
    & skf21("2","5","3","1","7","4","5","1") = "6"
    & skf21("2","5","3","1","7","4","6","1") = "6"
    & skf21("2","5","3","1","7","4","7","1") = "6"
    & skf21("2","5","3","1","7","5","1","1") = "6"
    & skf21("2","5","3","1","7","5","2","1") = "6"
    & skf21("2","5","3","1","7","5","3","1") = "6"
    & skf21("2","5","3","1","7","5","4","1") = "6"
    & skf21("2","5","3","1","7","5","5","1") = "6"
    & skf21("2","5","3","1","7","5","6","1") = "6"
    & skf21("2","5","3","1","7","5","7","1") = "6"
    & skf21("2","5","3","1","7","6","1","1") = "6"
    & skf21("2","5","3","1","7","6","2","1") = "6"
    & skf21("2","5","3","1","7","6","3","1") = "6"
    & skf21("2","5","3","1","7","6","4","1") = "6"
    & skf21("2","5","3","1","7","6","5","1") = "6"
    & skf21("2","5","3","1","7","6","6","1") = "6"
    & skf21("2","5","3","1","7","6","7","1") = "6"
    & skf21("2","5","3","1","7","7","1","1") = "6"
    & skf21("2","5","3","1","7","7","2","1") = "6"
    & skf21("2","5","3","1","7","7","3","1") = "6"
    & skf21("2","5","3","1","7","7","4","1") = "6"
    & skf21("2","5","3","1","7","7","5","1") = "6"
    & skf21("2","5","3","1","7","7","6","1") = "6"
    & skf21("2","5","3","1","7","7","7","1") = "6"
    & skf21("2","5","3","2","1","1","1","1") = "4"
    & skf21("2","5","3","2","1","1","2","1") = "4"
    & skf21("2","5","3","2","1","1","3","1") = "4"
    & skf21("2","5","3","2","1","1","4","1") = "4"
    & skf21("2","5","3","2","1","1","5","1") = "4"
    & skf21("2","5","3","2","1","1","6","1") = "5"
    & skf21("2","5","3","2","1","1","7","1") = "6"
    & skf21("2","5","3","2","1","2","1","1") = "4"
    & skf21("2","5","3","2","1","2","2","1") = "4"
    & skf21("2","5","3","2","1","2","3","1") = "4"
    & skf21("2","5","3","2","1","2","4","1") = "4"
    & skf21("2","5","3","2","1","2","5","1") = "4"
    & skf21("2","5","3","2","1","2","6","1") = "5"
    & skf21("2","5","3","2","1","2","7","1") = "6"
    & skf21("2","5","3","2","1","3","1","1") = "4"
    & skf21("2","5","3","2","1","3","2","1") = "4"
    & skf21("2","5","3","2","1","3","3","1") = "4"
    & skf21("2","5","3","2","1","3","4","1") = "4"
    & skf21("2","5","3","2","1","3","5","1") = "4"
    & skf21("2","5","3","2","1","3","6","1") = "5"
    & skf21("2","5","3","2","1","3","7","1") = "6"
    & skf21("2","5","3","2","1","4","1","1") = "4"
    & skf21("2","5","3","2","1","4","2","1") = "4"
    & skf21("2","5","3","2","1","4","3","1") = "4"
    & skf21("2","5","3","2","1","4","4","1") = "4"
    & skf21("2","5","3","2","1","4","5","1") = "4"
    & skf21("2","5","3","2","1","4","6","1") = "5"
    & skf21("2","5","3","2","1","4","7","1") = "6"
    & skf21("2","5","3","2","1","5","1","1") = "4"
    & skf21("2","5","3","2","1","5","2","1") = "4"
    & skf21("2","5","3","2","1","5","3","1") = "4"
    & skf21("2","5","3","2","1","5","4","1") = "4"
    & skf21("2","5","3","2","1","5","5","1") = "4"
    & skf21("2","5","3","2","1","5","6","1") = "5"
    & skf21("2","5","3","2","1","5","7","1") = "6"
    & skf21("2","5","3","2","1","6","1","1") = "5"
    & skf21("2","5","3","2","1","6","2","1") = "5"
    & skf21("2","5","3","2","1","6","3","1") = "5"
    & skf21("2","5","3","2","1","6","4","1") = "5"
    & skf21("2","5","3","2","1","6","5","1") = "5"
    & skf21("2","5","3","2","1","6","6","1") = "5"
    & skf21("2","5","3","2","1","6","7","1") = "6"
    & skf21("2","5","3","2","1","7","1","1") = "6"
    & skf21("2","5","3","2","1","7","2","1") = "6"
    & skf21("2","5","3","2","1","7","3","1") = "6"
    & skf21("2","5","3","2","1","7","4","1") = "6"
    & skf21("2","5","3","2","1","7","5","1") = "6"
    & skf21("2","5","3","2","1","7","6","1") = "6"
    & skf21("2","5","3","2","1","7","7","1") = "6"
    & skf21("2","5","3","2","2","1","1","1") = "4"
    & skf21("2","5","3","2","2","1","2","1") = "4"
    & skf21("2","5","3","2","2","1","3","1") = "4"
    & skf21("2","5","3","2","2","1","4","1") = "4"
    & skf21("2","5","3","2","2","1","5","1") = "4"
    & skf21("2","5","3","2","2","1","6","1") = "5"
    & skf21("2","5","3","2","2","1","7","1") = "6"
    & skf21("2","5","3","2","2","2","1","1") = "4"
    & skf21("2","5","3","2","2","2","2","1") = "4"
    & skf21("2","5","3","2","2","2","3","1") = "4"
    & skf21("2","5","3","2","2","2","4","1") = "4"
    & skf21("2","5","3","2","2","2","5","1") = "4"
    & skf21("2","5","3","2","2","2","6","1") = "5"
    & skf21("2","5","3","2","2","2","7","1") = "6"
    & skf21("2","5","3","2","2","3","1","1") = "4"
    & skf21("2","5","3","2","2","3","2","1") = "4"
    & skf21("2","5","3","2","2","3","3","1") = "4"
    & skf21("2","5","3","2","2","3","4","1") = "4"
    & skf21("2","5","3","2","2","3","5","1") = "4"
    & skf21("2","5","3","2","2","3","6","1") = "5"
    & skf21("2","5","3","2","2","3","7","1") = "6"
    & skf21("2","5","3","2","2","4","1","1") = "4"
    & skf21("2","5","3","2","2","4","2","1") = "4"
    & skf21("2","5","3","2","2","4","3","1") = "4"
    & skf21("2","5","3","2","2","4","4","1") = "4"
    & skf21("2","5","3","2","2","4","5","1") = "4"
    & skf21("2","5","3","2","2","4","6","1") = "5"
    & skf21("2","5","3","2","2","4","7","1") = "6"
    & skf21("2","5","3","2","2","5","1","1") = "4"
    & skf21("2","5","3","2","2","5","2","1") = "4"
    & skf21("2","5","3","2","2","5","3","1") = "4"
    & skf21("2","5","3","2","2","5","4","1") = "4"
    & skf21("2","5","3","2","2","5","5","1") = "4"
    & skf21("2","5","3","2","2","5","6","1") = "5"
    & skf21("2","5","3","2","2","5","7","1") = "6"
    & skf21("2","5","3","2","2","6","1","1") = "5"
    & skf21("2","5","3","2","2","6","2","1") = "5"
    & skf21("2","5","3","2","2","6","3","1") = "5"
    & skf21("2","5","3","2","2","6","4","1") = "5"
    & skf21("2","5","3","2","2","6","5","1") = "5"
    & skf21("2","5","3","2","2","6","6","1") = "5"
    & skf21("2","5","3","2","2","6","7","1") = "6"
    & skf21("2","5","3","2","2","7","1","1") = "6"
    & skf21("2","5","3","2","2","7","2","1") = "6"
    & skf21("2","5","3","2","2","7","3","1") = "6"
    & skf21("2","5","3","2","2","7","4","1") = "6"
    & skf21("2","5","3","2","2","7","5","1") = "6"
    & skf21("2","5","3","2","2","7","6","1") = "6"
    & skf21("2","5","3","2","2","7","7","1") = "6"
    & skf21("2","5","3","2","3","1","1","1") = "4"
    & skf21("2","5","3","2","3","1","2","1") = "4"
    & skf21("2","5","3","2","3","1","3","1") = "4"
    & skf21("2","5","3","2","3","1","4","1") = "4"
    & skf21("2","5","3","2","3","1","5","1") = "4"
    & skf21("2","5","3","2","3","1","6","1") = "5"
    & skf21("2","5","3","2","3","1","7","1") = "6"
    & skf21("2","5","3","2","3","2","1","1") = "4"
    & skf21("2","5","3","2","3","2","2","1") = "4"
    & skf21("2","5","3","2","3","2","3","1") = "4"
    & skf21("2","5","3","2","3","2","4","1") = "4"
    & skf21("2","5","3","2","3","2","5","1") = "4"
    & skf21("2","5","3","2","3","2","6","1") = "5"
    & skf21("2","5","3","2","3","2","7","1") = "6"
    & skf21("2","5","3","2","3","3","1","1") = "4"
    & skf21("2","5","3","2","3","3","2","1") = "4"
    & skf21("2","5","3","2","3","3","3","1") = "4"
    & skf21("2","5","3","2","3","3","4","1") = "4"
    & skf21("2","5","3","2","3","3","5","1") = "4"
    & skf21("2","5","3","2","3","3","6","1") = "5"
    & skf21("2","5","3","2","3","3","7","1") = "6"
    & skf21("2","5","3","2","3","4","1","1") = "4"
    & skf21("2","5","3","2","3","4","2","1") = "4"
    & skf21("2","5","3","2","3","4","3","1") = "4"
    & skf21("2","5","3","2","3","4","4","1") = "4"
    & skf21("2","5","3","2","3","4","5","1") = "4"
    & skf21("2","5","3","2","3","4","6","1") = "5"
    & skf21("2","5","3","2","3","4","7","1") = "6"
    & skf21("2","5","3","2","3","5","1","1") = "4"
    & skf21("2","5","3","2","3","5","2","1") = "4"
    & skf21("2","5","3","2","3","5","3","1") = "4"
    & skf21("2","5","3","2","3","5","4","1") = "4"
    & skf21("2","5","3","2","3","5","5","1") = "4"
    & skf21("2","5","3","2","3","5","6","1") = "5"
    & skf21("2","5","3","2","3","5","7","1") = "6"
    & skf21("2","5","3","2","3","6","1","1") = "5"
    & skf21("2","5","3","2","3","6","2","1") = "5"
    & skf21("2","5","3","2","3","6","3","1") = "5"
    & skf21("2","5","3","2","3","6","4","1") = "5"
    & skf21("2","5","3","2","3","6","5","1") = "5"
    & skf21("2","5","3","2","3","6","6","1") = "5"
    & skf21("2","5","3","2","3","6","7","1") = "6"
    & skf21("2","5","3","2","3","7","1","1") = "6"
    & skf21("2","5","3","2","3","7","2","1") = "6"
    & skf21("2","5","3","2","3","7","3","1") = "6"
    & skf21("2","5","3","2","3","7","4","1") = "6"
    & skf21("2","5","3","2","3","7","5","1") = "6"
    & skf21("2","5","3","2","3","7","6","1") = "6"
    & skf21("2","5","3","2","3","7","7","1") = "6"
    & skf21("2","5","3","2","4","1","1","1") = "4"
    & skf21("2","5","3","2","4","1","2","1") = "4"
    & skf21("2","5","3","2","4","1","3","1") = "4"
    & skf21("2","5","3","2","4","1","4","1") = "4"
    & skf21("2","5","3","2","4","1","5","1") = "4"
    & skf21("2","5","3","2","4","1","6","1") = "5"
    & skf21("2","5","3","2","4","1","7","1") = "6"
    & skf21("2","5","3","2","4","2","1","1") = "4"
    & skf21("2","5","3","2","4","2","2","1") = "4"
    & skf21("2","5","3","2","4","2","3","1") = "4"
    & skf21("2","5","3","2","4","2","4","1") = "4"
    & skf21("2","5","3","2","4","2","5","1") = "4"
    & skf21("2","5","3","2","4","2","6","1") = "5"
    & skf21("2","5","3","2","4","2","7","1") = "6"
    & skf21("2","5","3","2","4","3","1","1") = "4"
    & skf21("2","5","3","2","4","3","2","1") = "4"
    & skf21("2","5","3","2","4","3","3","1") = "4"
    & skf21("2","5","3","2","4","3","4","1") = "4"
    & skf21("2","5","3","2","4","3","5","1") = "4"
    & skf21("2","5","3","2","4","3","6","1") = "5"
    & skf21("2","5","3","2","4","3","7","1") = "6"
    & skf21("2","5","3","2","4","4","1","1") = "4"
    & skf21("2","5","3","2","4","4","2","1") = "4"
    & skf21("2","5","3","2","4","4","3","1") = "4"
    & skf21("2","5","3","2","4","4","4","1") = "4"
    & skf21("2","5","3","2","4","4","5","1") = "4"
    & skf21("2","5","3","2","4","4","6","1") = "5"
    & skf21("2","5","3","2","4","4","7","1") = "6"
    & skf21("2","5","3","2","4","5","1","1") = "4"
    & skf21("2","5","3","2","4","5","2","1") = "4"
    & skf21("2","5","3","2","4","5","3","1") = "4"
    & skf21("2","5","3","2","4","5","4","1") = "4"
    & skf21("2","5","3","2","4","5","5","1") = "4"
    & skf21("2","5","3","2","4","5","6","1") = "5"
    & skf21("2","5","3","2","4","5","7","1") = "6"
    & skf21("2","5","3","2","4","6","1","1") = "5"
    & skf21("2","5","3","2","4","6","2","1") = "5"
    & skf21("2","5","3","2","4","6","3","1") = "5"
    & skf21("2","5","3","2","4","6","4","1") = "5"
    & skf21("2","5","3","2","4","6","5","1") = "5"
    & skf21("2","5","3","2","4","6","6","1") = "5"
    & skf21("2","5","3","2","4","6","7","1") = "6"
    & skf21("2","5","3","2","4","7","1","1") = "6"
    & skf21("2","5","3","2","4","7","2","1") = "6"
    & skf21("2","5","3","2","4","7","3","1") = "6"
    & skf21("2","5","3","2","4","7","4","1") = "6"
    & skf21("2","5","3","2","4","7","5","1") = "6"
    & skf21("2","5","3","2","4","7","6","1") = "6"
    & skf21("2","5","3","2","4","7","7","1") = "6"
    & skf21("2","5","3","2","5","1","1","1") = "4"
    & skf21("2","5","3","2","5","1","2","1") = "4"
    & skf21("2","5","3","2","5","1","3","1") = "4"
    & skf21("2","5","3","2","5","1","4","1") = "4"
    & skf21("2","5","3","2","5","1","5","1") = "4"
    & skf21("2","5","3","2","5","1","6","1") = "5"
    & skf21("2","5","3","2","5","1","7","1") = "6"
    & skf21("2","5","3","2","5","2","1","1") = "4"
    & skf21("2","5","3","2","5","2","2","1") = "4"
    & skf21("2","5","3","2","5","2","3","1") = "4"
    & skf21("2","5","3","2","5","2","4","1") = "4"
    & skf21("2","5","3","2","5","2","5","1") = "4"
    & skf21("2","5","3","2","5","2","6","1") = "5"
    & skf21("2","5","3","2","5","2","7","1") = "6"
    & skf21("2","5","3","2","5","3","1","1") = "4"
    & skf21("2","5","3","2","5","3","2","1") = "4"
    & skf21("2","5","3","2","5","3","3","1") = "4"
    & skf21("2","5","3","2","5","3","4","1") = "4"
    & skf21("2","5","3","2","5","3","5","1") = "4"
    & skf21("2","5","3","2","5","3","6","1") = "5"
    & skf21("2","5","3","2","5","3","7","1") = "6"
    & skf21("2","5","3","2","5","4","1","1") = "4"
    & skf21("2","5","3","2","5","4","2","1") = "4"
    & skf21("2","5","3","2","5","4","3","1") = "4"
    & skf21("2","5","3","2","5","4","4","1") = "4"
    & skf21("2","5","3","2","5","4","5","1") = "4"
    & skf21("2","5","3","2","5","4","6","1") = "5"
    & skf21("2","5","3","2","5","4","7","1") = "6"
    & skf21("2","5","3","2","5","5","1","1") = "4"
    & skf21("2","5","3","2","5","5","2","1") = "4"
    & skf21("2","5","3","2","5","5","3","1") = "4"
    & skf21("2","5","3","2","5","5","4","1") = "4"
    & skf21("2","5","3","2","5","5","5","1") = "4"
    & skf21("2","5","3","2","5","5","6","1") = "5"
    & skf21("2","5","3","2","5","5","7","1") = "6"
    & skf21("2","5","3","2","5","6","1","1") = "5"
    & skf21("2","5","3","2","5","6","2","1") = "5"
    & skf21("2","5","3","2","5","6","3","1") = "5"
    & skf21("2","5","3","2","5","6","4","1") = "5"
    & skf21("2","5","3","2","5","6","5","1") = "5"
    & skf21("2","5","3","2","5","6","6","1") = "5"
    & skf21("2","5","3","2","5","6","7","1") = "6"
    & skf21("2","5","3","2","5","7","1","1") = "6"
    & skf21("2","5","3","2","5","7","2","1") = "6"
    & skf21("2","5","3","2","5","7","3","1") = "6"
    & skf21("2","5","3","2","5","7","4","1") = "6"
    & skf21("2","5","3","2","5","7","5","1") = "6"
    & skf21("2","5","3","2","5","7","6","1") = "6"
    & skf21("2","5","3","2","5","7","7","1") = "6"
    & skf21("2","5","3","2","6","1","1","1") = "5"
    & skf21("2","5","3","2","6","1","2","1") = "5"
    & skf21("2","5","3","2","6","1","3","1") = "5"
    & skf21("2","5","3","2","6","1","4","1") = "5"
    & skf21("2","5","3","2","6","1","5","1") = "5"
    & skf21("2","5","3","2","6","1","6","1") = "5"
    & skf21("2","5","3","2","6","1","7","1") = "6"
    & skf21("2","5","3","2","6","2","1","1") = "5"
    & skf21("2","5","3","2","6","2","2","1") = "5"
    & skf21("2","5","3","2","6","2","3","1") = "5"
    & skf21("2","5","3","2","6","2","4","1") = "5"
    & skf21("2","5","3","2","6","2","5","1") = "5"
    & skf21("2","5","3","2","6","2","6","1") = "5"
    & skf21("2","5","3","2","6","2","7","1") = "6"
    & skf21("2","5","3","2","6","3","1","1") = "5"
    & skf21("2","5","3","2","6","3","2","1") = "5"
    & skf21("2","5","3","2","6","3","3","1") = "5"
    & skf21("2","5","3","2","6","3","4","1") = "5"
    & skf21("2","5","3","2","6","3","5","1") = "5"
    & skf21("2","5","3","2","6","3","6","1") = "5"
    & skf21("2","5","3","2","6","3","7","1") = "6"
    & skf21("2","5","3","2","6","4","1","1") = "5"
    & skf21("2","5","3","2","6","4","2","1") = "5"
    & skf21("2","5","3","2","6","4","3","1") = "5"
    & skf21("2","5","3","2","6","4","4","1") = "5"
    & skf21("2","5","3","2","6","4","5","1") = "5"
    & skf21("2","5","3","2","6","4","6","1") = "5"
    & skf21("2","5","3","2","6","4","7","1") = "6"
    & skf21("2","5","3","2","6","5","1","1") = "5"
    & skf21("2","5","3","2","6","5","2","1") = "5"
    & skf21("2","5","3","2","6","5","3","1") = "5"
    & skf21("2","5","3","2","6","5","4","1") = "5"
    & skf21("2","5","3","2","6","5","5","1") = "5"
    & skf21("2","5","3","2","6","5","6","1") = "5"
    & skf21("2","5","3","2","6","5","7","1") = "6"
    & skf21("2","5","3","2","6","6","1","1") = "5"
    & skf21("2","5","3","2","6","6","2","1") = "5"
    & skf21("2","5","3","2","6","6","3","1") = "5"
    & skf21("2","5","3","2","6","6","4","1") = "5"
    & skf21("2","5","3","2","6","6","5","1") = "5"
    & skf21("2","5","3","2","6","6","6","1") = "5"
    & skf21("2","5","3","2","6","6","7","1") = "6"
    & skf21("2","5","3","2","6","7","1","1") = "6"
    & skf21("2","5","3","2","6","7","2","1") = "6"
    & skf21("2","5","3","2","6","7","3","1") = "6"
    & skf21("2","5","3","2","6","7","4","1") = "6"
    & skf21("2","5","3","2","6","7","5","1") = "6"
    & skf21("2","5","3","2","6","7","6","1") = "6"
    & skf21("2","5","3","2","6","7","7","1") = "6"
    & skf21("2","5","3","2","7","1","1","1") = "6"
    & skf21("2","5","3","2","7","1","2","1") = "6"
    & skf21("2","5","3","2","7","1","3","1") = "6"
    & skf21("2","5","3","2","7","1","4","1") = "6"
    & skf21("2","5","3","2","7","1","5","1") = "6"
    & skf21("2","5","3","2","7","1","6","1") = "6"
    & skf21("2","5","3","2","7","1","7","1") = "6"
    & skf21("2","5","3","2","7","2","1","1") = "6"
    & skf21("2","5","3","2","7","2","2","1") = "6"
    & skf21("2","5","3","2","7","2","3","1") = "6"
    & skf21("2","5","3","2","7","2","4","1") = "6"
    & skf21("2","5","3","2","7","2","5","1") = "6"
    & skf21("2","5","3","2","7","2","6","1") = "6"
    & skf21("2","5","3","2","7","2","7","1") = "6"
    & skf21("2","5","3","2","7","3","1","1") = "6"
    & skf21("2","5","3","2","7","3","2","1") = "6"
    & skf21("2","5","3","2","7","3","3","1") = "6"
    & skf21("2","5","3","2","7","3","4","1") = "6"
    & skf21("2","5","3","2","7","3","5","1") = "6"
    & skf21("2","5","3","2","7","3","6","1") = "6"
    & skf21("2","5","3","2","7","3","7","1") = "6"
    & skf21("2","5","3","2","7","4","1","1") = "6"
    & skf21("2","5","3","2","7","4","2","1") = "6"
    & skf21("2","5","3","2","7","4","3","1") = "6"
    & skf21("2","5","3","2","7","4","4","1") = "6"
    & skf21("2","5","3","2","7","4","5","1") = "6"
    & skf21("2","5","3","2","7","4","6","1") = "6"
    & skf21("2","5","3","2","7","4","7","1") = "6"
    & skf21("2","5","3","2","7","5","1","1") = "6"
    & skf21("2","5","3","2","7","5","2","1") = "6"
    & skf21("2","5","3","2","7","5","3","1") = "6"
    & skf21("2","5","3","2","7","5","4","1") = "6"
    & skf21("2","5","3","2","7","5","5","1") = "6"
    & skf21("2","5","3","2","7","5","6","1") = "6"
    & skf21("2","5","3","2","7","5","7","1") = "6"
    & skf21("2","5","3","2","7","6","1","1") = "6"
    & skf21("2","5","3","2","7","6","2","1") = "6"
    & skf21("2","5","3","2","7","6","3","1") = "6"
    & skf21("2","5","3","2","7","6","4","1") = "6"
    & skf21("2","5","3","2","7","6","5","1") = "6"
    & skf21("2","5","3","2","7","6","6","1") = "6"
    & skf21("2","5","3","2","7","6","7","1") = "6"
    & skf21("2","5","3","2","7","7","1","1") = "6"
    & skf21("2","5","3","2","7","7","2","1") = "6"
    & skf21("2","5","3","2","7","7","3","1") = "6"
    & skf21("2","5","3","2","7","7","4","1") = "6"
    & skf21("2","5","3","2","7","7","5","1") = "6"
    & skf21("2","5","3","2","7","7","6","1") = "6"
    & skf21("2","5","3","2","7","7","7","1") = "6"
    & skf21("2","5","3","3","1","1","1","1") = "4"
    & skf21("2","5","3","3","1","1","2","1") = "4"
    & skf21("2","5","3","3","1","1","3","1") = "4"
    & skf21("2","5","3","3","1","1","4","1") = "4"
    & skf21("2","5","3","3","1","1","5","1") = "4"
    & skf21("2","5","3","3","1","1","6","1") = "5"
    & skf21("2","5","3","3","1","1","7","1") = "6"
    & skf21("2","5","3","3","1","2","1","1") = "4"
    & skf21("2","5","3","3","1","2","2","1") = "4"
    & skf21("2","5","3","3","1","2","3","1") = "4"
    & skf21("2","5","3","3","1","2","4","1") = "4"
    & skf21("2","5","3","3","1","2","5","1") = "4"
    & skf21("2","5","3","3","1","2","6","1") = "5"
    & skf21("2","5","3","3","1","2","7","1") = "6"
    & skf21("2","5","3","3","1","3","1","1") = "4"
    & skf21("2","5","3","3","1","3","2","1") = "4"
    & skf21("2","5","3","3","1","3","3","1") = "4"
    & skf21("2","5","3","3","1","3","4","1") = "4"
    & skf21("2","5","3","3","1","3","5","1") = "4"
    & skf21("2","5","3","3","1","3","6","1") = "5"
    & skf21("2","5","3","3","1","3","7","1") = "6"
    & skf21("2","5","3","3","1","4","1","1") = "4"
    & skf21("2","5","3","3","1","4","2","1") = "4"
    & skf21("2","5","3","3","1","4","3","1") = "4"
    & skf21("2","5","3","3","1","4","4","1") = "4"
    & skf21("2","5","3","3","1","4","5","1") = "4"
    & skf21("2","5","3","3","1","4","6","1") = "5"
    & skf21("2","5","3","3","1","4","7","1") = "6"
    & skf21("2","5","3","3","1","5","1","1") = "4"
    & skf21("2","5","3","3","1","5","2","1") = "4"
    & skf21("2","5","3","3","1","5","3","1") = "4"
    & skf21("2","5","3","3","1","5","4","1") = "4"
    & skf21("2","5","3","3","1","5","5","1") = "4"
    & skf21("2","5","3","3","1","5","6","1") = "5"
    & skf21("2","5","3","3","1","5","7","1") = "6"
    & skf21("2","5","3","3","1","6","1","1") = "5"
    & skf21("2","5","3","3","1","6","2","1") = "5"
    & skf21("2","5","3","3","1","6","3","1") = "5"
    & skf21("2","5","3","3","1","6","4","1") = "5"
    & skf21("2","5","3","3","1","6","5","1") = "5"
    & skf21("2","5","3","3","1","6","6","1") = "5"
    & skf21("2","5","3","3","1","6","7","1") = "6"
    & skf21("2","5","3","3","1","7","1","1") = "6"
    & skf21("2","5","3","3","1","7","2","1") = "6"
    & skf21("2","5","3","3","1","7","3","1") = "6"
    & skf21("2","5","3","3","1","7","4","1") = "6"
    & skf21("2","5","3","3","1","7","5","1") = "6"
    & skf21("2","5","3","3","1","7","6","1") = "6"
    & skf21("2","5","3","3","1","7","7","1") = "6"
    & skf21("2","5","3","3","2","1","1","1") = "4"
    & skf21("2","5","3","3","2","1","2","1") = "4"
    & skf21("2","5","3","3","2","1","3","1") = "4"
    & skf21("2","5","3","3","2","1","4","1") = "4"
    & skf21("2","5","3","3","2","1","5","1") = "4"
    & skf21("2","5","3","3","2","1","6","1") = "5"
    & skf21("2","5","3","3","2","1","7","1") = "6"
    & skf21("2","5","3","3","2","2","1","1") = "4"
    & skf21("2","5","3","3","2","2","2","1") = "4"
    & skf21("2","5","3","3","2","2","3","1") = "4"
    & skf21("2","5","3","3","2","2","4","1") = "4"
    & skf21("2","5","3","3","2","2","5","1") = "4"
    & skf21("2","5","3","3","2","2","6","1") = "5"
    & skf21("2","5","3","3","2","2","7","1") = "6"
    & skf21("2","5","3","3","2","3","1","1") = "4"
    & skf21("2","5","3","3","2","3","2","1") = "4"
    & skf21("2","5","3","3","2","3","3","1") = "4"
    & skf21("2","5","3","3","2","3","4","1") = "4"
    & skf21("2","5","3","3","2","3","5","1") = "4"
    & skf21("2","5","3","3","2","3","6","1") = "5"
    & skf21("2","5","3","3","2","3","7","1") = "6"
    & skf21("2","5","3","3","2","4","1","1") = "4"
    & skf21("2","5","3","3","2","4","2","1") = "4"
    & skf21("2","5","3","3","2","4","3","1") = "4"
    & skf21("2","5","3","3","2","4","4","1") = "4"
    & skf21("2","5","3","3","2","4","5","1") = "4"
    & skf21("2","5","3","3","2","4","6","1") = "5"
    & skf21("2","5","3","3","2","4","7","1") = "6"
    & skf21("2","5","3","3","2","5","1","1") = "4"
    & skf21("2","5","3","3","2","5","2","1") = "4"
    & skf21("2","5","3","3","2","5","3","1") = "4"
    & skf21("2","5","3","3","2","5","4","1") = "4"
    & skf21("2","5","3","3","2","5","5","1") = "4"
    & skf21("2","5","3","3","2","5","6","1") = "5"
    & skf21("2","5","3","3","2","5","7","1") = "6"
    & skf21("2","5","3","3","2","6","1","1") = "5"
    & skf21("2","5","3","3","2","6","2","1") = "5"
    & skf21("2","5","3","3","2","6","3","1") = "5"
    & skf21("2","5","3","3","2","6","4","1") = "5"
    & skf21("2","5","3","3","2","6","5","1") = "5"
    & skf21("2","5","3","3","2","6","6","1") = "5"
    & skf21("2","5","3","3","2","6","7","1") = "6"
    & skf21("2","5","3","3","2","7","1","1") = "6"
    & skf21("2","5","3","3","2","7","2","1") = "6"
    & skf21("2","5","3","3","2","7","3","1") = "6"
    & skf21("2","5","3","3","2","7","4","1") = "6"
    & skf21("2","5","3","3","2","7","5","1") = "6"
    & skf21("2","5","3","3","2","7","6","1") = "6"
    & skf21("2","5","3","3","2","7","7","1") = "6"
    & skf21("2","5","3","3","3","1","1","1") = "4"
    & skf21("2","5","3","3","3","1","2","1") = "4"
    & skf21("2","5","3","3","3","1","3","1") = "4"
    & skf21("2","5","3","3","3","1","4","1") = "4"
    & skf21("2","5","3","3","3","1","5","1") = "4"
    & skf21("2","5","3","3","3","1","6","1") = "5"
    & skf21("2","5","3","3","3","1","7","1") = "6"
    & skf21("2","5","3","3","3","2","1","1") = "4"
    & skf21("2","5","3","3","3","2","2","1") = "4"
    & skf21("2","5","3","3","3","2","3","1") = "4"
    & skf21("2","5","3","3","3","2","4","1") = "4"
    & skf21("2","5","3","3","3","2","5","1") = "4"
    & skf21("2","5","3","3","3","2","6","1") = "5"
    & skf21("2","5","3","3","3","2","7","1") = "6"
    & skf21("2","5","3","3","3","3","1","1") = "4"
    & skf21("2","5","3","3","3","3","2","1") = "4"
    & skf21("2","5","3","3","3","3","3","1") = "4"
    & skf21("2","5","3","3","3","3","4","1") = "4"
    & skf21("2","5","3","3","3","3","5","1") = "4"
    & skf21("2","5","3","3","3","3","6","1") = "5"
    & skf21("2","5","3","3","3","3","7","1") = "6"
    & skf21("2","5","3","3","3","4","1","1") = "4"
    & skf21("2","5","3","3","3","4","2","1") = "4"
    & skf21("2","5","3","3","3","4","3","1") = "4"
    & skf21("2","5","3","3","3","4","4","1") = "4"
    & skf21("2","5","3","3","3","4","5","1") = "4"
    & skf21("2","5","3","3","3","4","6","1") = "5"
    & skf21("2","5","3","3","3","4","7","1") = "6"
    & skf21("2","5","3","3","3","5","1","1") = "4"
    & skf21("2","5","3","3","3","5","2","1") = "4"
    & skf21("2","5","3","3","3","5","3","1") = "4"
    & skf21("2","5","3","3","3","5","4","1") = "4"
    & skf21("2","5","3","3","3","5","5","1") = "4"
    & skf21("2","5","3","3","3","5","6","1") = "5"
    & skf21("2","5","3","3","3","5","7","1") = "6"
    & skf21("2","5","3","3","3","6","1","1") = "5"
    & skf21("2","5","3","3","3","6","2","1") = "5"
    & skf21("2","5","3","3","3","6","3","1") = "5"
    & skf21("2","5","3","3","3","6","4","1") = "5"
    & skf21("2","5","3","3","3","6","5","1") = "5"
    & skf21("2","5","3","3","3","6","6","1") = "5"
    & skf21("2","5","3","3","3","6","7","1") = "6"
    & skf21("2","5","3","3","3","7","1","1") = "6"
    & skf21("2","5","3","3","3","7","2","1") = "6"
    & skf21("2","5","3","3","3","7","3","1") = "6"
    & skf21("2","5","3","3","3","7","4","1") = "6"
    & skf21("2","5","3","3","3","7","5","1") = "6"
    & skf21("2","5","3","3","3","7","6","1") = "6"
    & skf21("2","5","3","3","3","7","7","1") = "6"
    & skf21("2","5","3","3","4","1","1","1") = "4"
    & skf21("2","5","3","3","4","1","2","1") = "4"
    & skf21("2","5","3","3","4","1","3","1") = "4"
    & skf21("2","5","3","3","4","1","4","1") = "4"
    & skf21("2","5","3","3","4","1","5","1") = "4"
    & skf21("2","5","3","3","4","1","6","1") = "5"
    & skf21("2","5","3","3","4","1","7","1") = "6"
    & skf21("2","5","3","3","4","2","1","1") = "4"
    & skf21("2","5","3","3","4","2","2","1") = "4"
    & skf21("2","5","3","3","4","2","3","1") = "4"
    & skf21("2","5","3","3","4","2","4","1") = "4"
    & skf21("2","5","3","3","4","2","5","1") = "4"
    & skf21("2","5","3","3","4","2","6","1") = "5"
    & skf21("2","5","3","3","4","2","7","1") = "6"
    & skf21("2","5","3","3","4","3","1","1") = "4"
    & skf21("2","5","3","3","4","3","2","1") = "4"
    & skf21("2","5","3","3","4","3","3","1") = "4"
    & skf21("2","5","3","3","4","3","4","1") = "4"
    & skf21("2","5","3","3","4","3","5","1") = "4"
    & skf21("2","5","3","3","4","3","6","1") = "5"
    & skf21("2","5","3","3","4","3","7","1") = "6"
    & skf21("2","5","3","3","4","4","1","1") = "4"
    & skf21("2","5","3","3","4","4","2","1") = "4"
    & skf21("2","5","3","3","4","4","3","1") = "4"
    & skf21("2","5","3","3","4","4","4","1") = "4"
    & skf21("2","5","3","3","4","4","5","1") = "4"
    & skf21("2","5","3","3","4","4","6","1") = "5"
    & skf21("2","5","3","3","4","4","7","1") = "6"
    & skf21("2","5","3","3","4","5","1","1") = "4"
    & skf21("2","5","3","3","4","5","2","1") = "4"
    & skf21("2","5","3","3","4","5","3","1") = "4"
    & skf21("2","5","3","3","4","5","4","1") = "4"
    & skf21("2","5","3","3","4","5","5","1") = "4"
    & skf21("2","5","3","3","4","5","6","1") = "5"
    & skf21("2","5","3","3","4","5","7","1") = "6"
    & skf21("2","5","3","3","4","6","1","1") = "5"
    & skf21("2","5","3","3","4","6","2","1") = "5"
    & skf21("2","5","3","3","4","6","3","1") = "5"
    & skf21("2","5","3","3","4","6","4","1") = "5"
    & skf21("2","5","3","3","4","6","5","1") = "5"
    & skf21("2","5","3","3","4","6","6","1") = "5"
    & skf21("2","5","3","3","4","6","7","1") = "6"
    & skf21("2","5","3","3","4","7","1","1") = "6"
    & skf21("2","5","3","3","4","7","2","1") = "6"
    & skf21("2","5","3","3","4","7","3","1") = "6"
    & skf21("2","5","3","3","4","7","4","1") = "6"
    & skf21("2","5","3","3","4","7","5","1") = "6"
    & skf21("2","5","3","3","4","7","6","1") = "6"
    & skf21("2","5","3","3","4","7","7","1") = "6"
    & skf21("2","5","3","3","5","1","1","1") = "4"
    & skf21("2","5","3","3","5","1","2","1") = "4"
    & skf21("2","5","3","3","5","1","3","1") = "4"
    & skf21("2","5","3","3","5","1","4","1") = "4"
    & skf21("2","5","3","3","5","1","5","1") = "4"
    & skf21("2","5","3","3","5","1","6","1") = "5"
    & skf21("2","5","3","3","5","1","7","1") = "6"
    & skf21("2","5","3","3","5","2","1","1") = "4"
    & skf21("2","5","3","3","5","2","2","1") = "4"
    & skf21("2","5","3","3","5","2","3","1") = "4"
    & skf21("2","5","3","3","5","2","4","1") = "4"
    & skf21("2","5","3","3","5","2","5","1") = "4"
    & skf21("2","5","3","3","5","2","6","1") = "5"
    & skf21("2","5","3","3","5","2","7","1") = "6"
    & skf21("2","5","3","3","5","3","1","1") = "4"
    & skf21("2","5","3","3","5","3","2","1") = "4"
    & skf21("2","5","3","3","5","3","3","1") = "4"
    & skf21("2","5","3","3","5","3","4","1") = "4"
    & skf21("2","5","3","3","5","3","5","1") = "4"
    & skf21("2","5","3","3","5","3","6","1") = "5"
    & skf21("2","5","3","3","5","3","7","1") = "6"
    & skf21("2","5","3","3","5","4","1","1") = "4"
    & skf21("2","5","3","3","5","4","2","1") = "4"
    & skf21("2","5","3","3","5","4","3","1") = "4"
    & skf21("2","5","3","3","5","4","4","1") = "4"
    & skf21("2","5","3","3","5","4","5","1") = "4"
    & skf21("2","5","3","3","5","4","6","1") = "5"
    & skf21("2","5","3","3","5","4","7","1") = "6"
    & skf21("2","5","3","3","5","5","1","1") = "4"
    & skf21("2","5","3","3","5","5","2","1") = "4"
    & skf21("2","5","3","3","5","5","3","1") = "4"
    & skf21("2","5","3","3","5","5","4","1") = "4"
    & skf21("2","5","3","3","5","5","5","1") = "4"
    & skf21("2","5","3","3","5","5","6","1") = "5"
    & skf21("2","5","3","3","5","5","7","1") = "6"
    & skf21("2","5","3","3","5","6","1","1") = "5"
    & skf21("2","5","3","3","5","6","2","1") = "5"
    & skf21("2","5","3","3","5","6","3","1") = "5"
    & skf21("2","5","3","3","5","6","4","1") = "5"
    & skf21("2","5","3","3","5","6","5","1") = "5"
    & skf21("2","5","3","3","5","6","6","1") = "5"
    & skf21("2","5","3","3","5","6","7","1") = "6"
    & skf21("2","5","3","3","5","7","1","1") = "6"
    & skf21("2","5","3","3","5","7","2","1") = "6"
    & skf21("2","5","3","3","5","7","3","1") = "6"
    & skf21("2","5","3","3","5","7","4","1") = "6"
    & skf21("2","5","3","3","5","7","5","1") = "6"
    & skf21("2","5","3","3","5","7","6","1") = "6"
    & skf21("2","5","3","3","5","7","7","1") = "6"
    & skf21("2","5","3","3","6","1","1","1") = "5"
    & skf21("2","5","3","3","6","1","2","1") = "5"
    & skf21("2","5","3","3","6","1","3","1") = "5"
    & skf21("2","5","3","3","6","1","4","1") = "5"
    & skf21("2","5","3","3","6","1","5","1") = "5"
    & skf21("2","5","3","3","6","1","6","1") = "5"
    & skf21("2","5","3","3","6","1","7","1") = "6"
    & skf21("2","5","3","3","6","2","1","1") = "5"
    & skf21("2","5","3","3","6","2","2","1") = "5"
    & skf21("2","5","3","3","6","2","3","1") = "5"
    & skf21("2","5","3","3","6","2","4","1") = "5"
    & skf21("2","5","3","3","6","2","5","1") = "5"
    & skf21("2","5","3","3","6","2","6","1") = "5"
    & skf21("2","5","3","3","6","2","7","1") = "6"
    & skf21("2","5","3","3","6","3","1","1") = "5"
    & skf21("2","5","3","3","6","3","2","1") = "5"
    & skf21("2","5","3","3","6","3","3","1") = "5"
    & skf21("2","5","3","3","6","3","4","1") = "5"
    & skf21("2","5","3","3","6","3","5","1") = "5"
    & skf21("2","5","3","3","6","3","6","1") = "5"
    & skf21("2","5","3","3","6","3","7","1") = "6"
    & skf21("2","5","3","3","6","4","1","1") = "5"
    & skf21("2","5","3","3","6","4","2","1") = "5"
    & skf21("2","5","3","3","6","4","3","1") = "5"
    & skf21("2","5","3","3","6","4","4","1") = "5"
    & skf21("2","5","3","3","6","4","5","1") = "5"
    & skf21("2","5","3","3","6","4","6","1") = "5"
    & skf21("2","5","3","3","6","4","7","1") = "6"
    & skf21("2","5","3","3","6","5","1","1") = "5"
    & skf21("2","5","3","3","6","5","2","1") = "5"
    & skf21("2","5","3","3","6","5","3","1") = "5"
    & skf21("2","5","3","3","6","5","4","1") = "5"
    & skf21("2","5","3","3","6","5","5","1") = "5"
    & skf21("2","5","3","3","6","5","6","1") = "5"
    & skf21("2","5","3","3","6","5","7","1") = "6"
    & skf21("2","5","3","3","6","6","1","1") = "5"
    & skf21("2","5","3","3","6","6","2","1") = "5"
    & skf21("2","5","3","3","6","6","3","1") = "5"
    & skf21("2","5","3","3","6","6","4","1") = "5"
    & skf21("2","5","3","3","6","6","5","1") = "5"
    & skf21("2","5","3","3","6","6","6","1") = "5"
    & skf21("2","5","3","3","6","6","7","1") = "6"
    & skf21("2","5","3","3","6","7","1","1") = "6"
    & skf21("2","5","3","3","6","7","2","1") = "6"
    & skf21("2","5","3","3","6","7","3","1") = "6"
    & skf21("2","5","3","3","6","7","4","1") = "6"
    & skf21("2","5","3","3","6","7","5","1") = "6"
    & skf21("2","5","3","3","6","7","6","1") = "6"
    & skf21("2","5","3","3","6","7","7","1") = "6"
    & skf21("2","5","3","3","7","1","1","1") = "6"
    & skf21("2","5","3","3","7","1","2","1") = "6"
    & skf21("2","5","3","3","7","1","3","1") = "6"
    & skf21("2","5","3","3","7","1","4","1") = "6"
    & skf21("2","5","3","3","7","1","5","1") = "6"
    & skf21("2","5","3","3","7","1","6","1") = "6"
    & skf21("2","5","3","3","7","1","7","1") = "6"
    & skf21("2","5","3","3","7","2","1","1") = "6"
    & skf21("2","5","3","3","7","2","2","1") = "6"
    & skf21("2","5","3","3","7","2","3","1") = "6"
    & skf21("2","5","3","3","7","2","4","1") = "6"
    & skf21("2","5","3","3","7","2","5","1") = "6"
    & skf21("2","5","3","3","7","2","6","1") = "6"
    & skf21("2","5","3","3","7","2","7","1") = "6"
    & skf21("2","5","3","3","7","3","1","1") = "6"
    & skf21("2","5","3","3","7","3","2","1") = "6"
    & skf21("2","5","3","3","7","3","3","1") = "6"
    & skf21("2","5","3","3","7","3","4","1") = "6"
    & skf21("2","5","3","3","7","3","5","1") = "6"
    & skf21("2","5","3","3","7","3","6","1") = "6"
    & skf21("2","5","3","3","7","3","7","1") = "6"
    & skf21("2","5","3","3","7","4","1","1") = "6"
    & skf21("2","5","3","3","7","4","2","1") = "6"
    & skf21("2","5","3","3","7","4","3","1") = "6"
    & skf21("2","5","3","3","7","4","4","1") = "6"
    & skf21("2","5","3","3","7","4","5","1") = "6"
    & skf21("2","5","3","3","7","4","6","1") = "6"
    & skf21("2","5","3","3","7","4","7","1") = "6"
    & skf21("2","5","3","3","7","5","1","1") = "6"
    & skf21("2","5","3","3","7","5","2","1") = "6"
    & skf21("2","5","3","3","7","5","3","1") = "6"
    & skf21("2","5","3","3","7","5","4","1") = "6"
    & skf21("2","5","3","3","7","5","5","1") = "6"
    & skf21("2","5","3","3","7","5","6","1") = "6"
    & skf21("2","5","3","3","7","5","7","1") = "6"
    & skf21("2","5","3","3","7","6","1","1") = "6"
    & skf21("2","5","3","3","7","6","2","1") = "6"
    & skf21("2","5","3","3","7","6","3","1") = "6"
    & skf21("2","5","3","3","7","6","4","1") = "6"
    & skf21("2","5","3","3","7","6","5","1") = "6"
    & skf21("2","5","3","3","7","6","6","1") = "6"
    & skf21("2","5","3","3","7","6","7","1") = "6"
    & skf21("2","5","3","3","7","7","1","1") = "6"
    & skf21("2","5","3","3","7","7","2","1") = "6"
    & skf21("2","5","3","3","7","7","3","1") = "6"
    & skf21("2","5","3","3","7","7","4","1") = "6"
    & skf21("2","5","3","3","7","7","5","1") = "6"
    & skf21("2","5","3","3","7","7","6","1") = "6"
    & skf21("2","5","3","3","7","7","7","1") = "6"
    & skf21("2","5","3","4","1","1","1","1") = "4"
    & skf21("2","5","3","4","1","1","2","1") = "4"
    & skf21("2","5","3","4","1","1","3","1") = "4"
    & skf21("2","5","3","4","1","1","4","1") = "4"
    & skf21("2","5","3","4","1","1","5","1") = "4"
    & skf21("2","5","3","4","1","1","6","1") = "5"
    & skf21("2","5","3","4","1","1","7","1") = "6"
    & skf21("2","5","3","4","1","2","1","1") = "4"
    & skf21("2","5","3","4","1","2","2","1") = "4"
    & skf21("2","5","3","4","1","2","3","1") = "4"
    & skf21("2","5","3","4","1","2","4","1") = "4"
    & skf21("2","5","3","4","1","2","5","1") = "4"
    & skf21("2","5","3","4","1","2","6","1") = "5"
    & skf21("2","5","3","4","1","2","7","1") = "6"
    & skf21("2","5","3","4","1","3","1","1") = "4"
    & skf21("2","5","3","4","1","3","2","1") = "4"
    & skf21("2","5","3","4","1","3","3","1") = "4"
    & skf21("2","5","3","4","1","3","4","1") = "4"
    & skf21("2","5","3","4","1","3","5","1") = "4"
    & skf21("2","5","3","4","1","3","6","1") = "5"
    & skf21("2","5","3","4","1","3","7","1") = "6"
    & skf21("2","5","3","4","1","4","1","1") = "4"
    & skf21("2","5","3","4","1","4","2","1") = "4"
    & skf21("2","5","3","4","1","4","3","1") = "4"
    & skf21("2","5","3","4","1","4","4","1") = "4"
    & skf21("2","5","3","4","1","4","5","1") = "4"
    & skf21("2","5","3","4","1","4","6","1") = "5"
    & skf21("2","5","3","4","1","4","7","1") = "6"
    & skf21("2","5","3","4","1","5","1","1") = "4"
    & skf21("2","5","3","4","1","5","2","1") = "4"
    & skf21("2","5","3","4","1","5","3","1") = "4"
    & skf21("2","5","3","4","1","5","4","1") = "4"
    & skf21("2","5","3","4","1","5","5","1") = "4"
    & skf21("2","5","3","4","1","5","6","1") = "5"
    & skf21("2","5","3","4","1","5","7","1") = "6"
    & skf21("2","5","3","4","1","6","1","1") = "5"
    & skf21("2","5","3","4","1","6","2","1") = "5"
    & skf21("2","5","3","4","1","6","3","1") = "5"
    & skf21("2","5","3","4","1","6","4","1") = "5"
    & skf21("2","5","3","4","1","6","5","1") = "5"
    & skf21("2","5","3","4","1","6","6","1") = "5"
    & skf21("2","5","3","4","1","6","7","1") = "6"
    & skf21("2","5","3","4","1","7","1","1") = "6"
    & skf21("2","5","3","4","1","7","2","1") = "6"
    & skf21("2","5","3","4","1","7","3","1") = "6"
    & skf21("2","5","3","4","1","7","4","1") = "6"
    & skf21("2","5","3","4","1","7","5","1") = "6"
    & skf21("2","5","3","4","1","7","6","1") = "6"
    & skf21("2","5","3","4","1","7","7","1") = "6"
    & skf21("2","5","3","4","2","1","1","1") = "4"
    & skf21("2","5","3","4","2","1","2","1") = "4"
    & skf21("2","5","3","4","2","1","3","1") = "4"
    & skf21("2","5","3","4","2","1","4","1") = "4"
    & skf21("2","5","3","4","2","1","5","1") = "4"
    & skf21("2","5","3","4","2","1","6","1") = "5"
    & skf21("2","5","3","4","2","1","7","1") = "6"
    & skf21("2","5","3","4","2","2","1","1") = "4"
    & skf21("2","5","3","4","2","2","2","1") = "4"
    & skf21("2","5","3","4","2","2","3","1") = "4"
    & skf21("2","5","3","4","2","2","4","1") = "4"
    & skf21("2","5","3","4","2","2","5","1") = "4"
    & skf21("2","5","3","4","2","2","6","1") = "5"
    & skf21("2","5","3","4","2","2","7","1") = "6"
    & skf21("2","5","3","4","2","3","1","1") = "4"
    & skf21("2","5","3","4","2","3","2","1") = "4"
    & skf21("2","5","3","4","2","3","3","1") = "4"
    & skf21("2","5","3","4","2","3","4","1") = "4"
    & skf21("2","5","3","4","2","3","5","1") = "4"
    & skf21("2","5","3","4","2","3","6","1") = "5"
    & skf21("2","5","3","4","2","3","7","1") = "6"
    & skf21("2","5","3","4","2","4","1","1") = "4"
    & skf21("2","5","3","4","2","4","2","1") = "4"
    & skf21("2","5","3","4","2","4","3","1") = "4"
    & skf21("2","5","3","4","2","4","4","1") = "4"
    & skf21("2","5","3","4","2","4","5","1") = "4"
    & skf21("2","5","3","4","2","4","6","1") = "5"
    & skf21("2","5","3","4","2","4","7","1") = "6"
    & skf21("2","5","3","4","2","5","1","1") = "4"
    & skf21("2","5","3","4","2","5","2","1") = "4"
    & skf21("2","5","3","4","2","5","3","1") = "4"
    & skf21("2","5","3","4","2","5","4","1") = "4"
    & skf21("2","5","3","4","2","5","5","1") = "4"
    & skf21("2","5","3","4","2","5","6","1") = "5"
    & skf21("2","5","3","4","2","5","7","1") = "6"
    & skf21("2","5","3","4","2","6","1","1") = "5"
    & skf21("2","5","3","4","2","6","2","1") = "5"
    & skf21("2","5","3","4","2","6","3","1") = "5"
    & skf21("2","5","3","4","2","6","4","1") = "5"
    & skf21("2","5","3","4","2","6","5","1") = "5"
    & skf21("2","5","3","4","2","6","6","1") = "5"
    & skf21("2","5","3","4","2","6","7","1") = "6"
    & skf21("2","5","3","4","2","7","1","1") = "6"
    & skf21("2","5","3","4","2","7","2","1") = "6"
    & skf21("2","5","3","4","2","7","3","1") = "6"
    & skf21("2","5","3","4","2","7","4","1") = "6"
    & skf21("2","5","3","4","2","7","5","1") = "6"
    & skf21("2","5","3","4","2","7","6","1") = "6"
    & skf21("2","5","3","4","2","7","7","1") = "6"
    & skf21("2","5","3","4","3","1","1","1") = "4"
    & skf21("2","5","3","4","3","1","2","1") = "4"
    & skf21("2","5","3","4","3","1","3","1") = "4"
    & skf21("2","5","3","4","3","1","4","1") = "4"
    & skf21("2","5","3","4","3","1","5","1") = "4"
    & skf21("2","5","3","4","3","1","6","1") = "5"
    & skf21("2","5","3","4","3","1","7","1") = "6"
    & skf21("2","5","3","4","3","2","1","1") = "4"
    & skf21("2","5","3","4","3","2","2","1") = "4"
    & skf21("2","5","3","4","3","2","3","1") = "4"
    & skf21("2","5","3","4","3","2","4","1") = "4"
    & skf21("2","5","3","4","3","2","5","1") = "4"
    & skf21("2","5","3","4","3","2","6","1") = "5"
    & skf21("2","5","3","4","3","2","7","1") = "6"
    & skf21("2","5","3","4","3","3","1","1") = "4"
    & skf21("2","5","3","4","3","3","2","1") = "4"
    & skf21("2","5","3","4","3","3","3","1") = "4"
    & skf21("2","5","3","4","3","3","4","1") = "4"
    & skf21("2","5","3","4","3","3","5","1") = "4"
    & skf21("2","5","3","4","3","3","6","1") = "5"
    & skf21("2","5","3","4","3","3","7","1") = "6"
    & skf21("2","5","3","4","3","4","1","1") = "4"
    & skf21("2","5","3","4","3","4","2","1") = "4"
    & skf21("2","5","3","4","3","4","3","1") = "4"
    & skf21("2","5","3","4","3","4","4","1") = "4"
    & skf21("2","5","3","4","3","4","5","1") = "4"
    & skf21("2","5","3","4","3","4","6","1") = "5"
    & skf21("2","5","3","4","3","4","7","1") = "6"
    & skf21("2","5","3","4","3","5","1","1") = "4"
    & skf21("2","5","3","4","3","5","2","1") = "4"
    & skf21("2","5","3","4","3","5","3","1") = "4"
    & skf21("2","5","3","4","3","5","4","1") = "4"
    & skf21("2","5","3","4","3","5","5","1") = "4"
    & skf21("2","5","3","4","3","5","6","1") = "5"
    & skf21("2","5","3","4","3","5","7","1") = "6"
    & skf21("2","5","3","4","3","6","1","1") = "5"
    & skf21("2","5","3","4","3","6","2","1") = "5"
    & skf21("2","5","3","4","3","6","3","1") = "5"
    & skf21("2","5","3","4","3","6","4","1") = "5"
    & skf21("2","5","3","4","3","6","5","1") = "5"
    & skf21("2","5","3","4","3","6","6","1") = "5"
    & skf21("2","5","3","4","3","6","7","1") = "6"
    & skf21("2","5","3","4","3","7","1","1") = "6"
    & skf21("2","5","3","4","3","7","2","1") = "6"
    & skf21("2","5","3","4","3","7","3","1") = "6"
    & skf21("2","5","3","4","3","7","4","1") = "6"
    & skf21("2","5","3","4","3","7","5","1") = "6"
    & skf21("2","5","3","4","3","7","6","1") = "6"
    & skf21("2","5","3","4","3","7","7","1") = "6"
    & skf21("2","5","3","4","4","1","1","1") = "4"
    & skf21("2","5","3","4","4","1","2","1") = "4"
    & skf21("2","5","3","4","4","1","3","1") = "4"
    & skf21("2","5","3","4","4","1","4","1") = "4"
    & skf21("2","5","3","4","4","1","5","1") = "4"
    & skf21("2","5","3","4","4","1","6","1") = "5"
    & skf21("2","5","3","4","4","1","7","1") = "6"
    & skf21("2","5","3","4","4","2","1","1") = "4"
    & skf21("2","5","3","4","4","2","2","1") = "4"
    & skf21("2","5","3","4","4","2","3","1") = "4"
    & skf21("2","5","3","4","4","2","4","1") = "4"
    & skf21("2","5","3","4","4","2","5","1") = "4"
    & skf21("2","5","3","4","4","2","6","1") = "5"
    & skf21("2","5","3","4","4","2","7","1") = "6"
    & skf21("2","5","3","4","4","3","1","1") = "4"
    & skf21("2","5","3","4","4","3","2","1") = "4"
    & skf21("2","5","3","4","4","3","3","1") = "4"
    & skf21("2","5","3","4","4","3","4","1") = "4"
    & skf21("2","5","3","4","4","3","5","1") = "4"
    & skf21("2","5","3","4","4","3","6","1") = "5"
    & skf21("2","5","3","4","4","3","7","1") = "6"
    & skf21("2","5","3","4","4","4","1","1") = "4"
    & skf21("2","5","3","4","4","4","2","1") = "4"
    & skf21("2","5","3","4","4","4","3","1") = "4"
    & skf21("2","5","3","4","4","4","4","1") = "4"
    & skf21("2","5","3","4","4","4","5","1") = "4"
    & skf21("2","5","3","4","4","4","6","1") = "5"
    & skf21("2","5","3","4","4","4","7","1") = "6"
    & skf21("2","5","3","4","4","5","1","1") = "4"
    & skf21("2","5","3","4","4","5","2","1") = "4"
    & skf21("2","5","3","4","4","5","3","1") = "4"
    & skf21("2","5","3","4","4","5","4","1") = "4"
    & skf21("2","5","3","4","4","5","5","1") = "4"
    & skf21("2","5","3","4","4","5","6","1") = "5"
    & skf21("2","5","3","4","4","5","7","1") = "6"
    & skf21("2","5","3","4","4","6","1","1") = "5"
    & skf21("2","5","3","4","4","6","2","1") = "5"
    & skf21("2","5","3","4","4","6","3","1") = "5"
    & skf21("2","5","3","4","4","6","4","1") = "5"
    & skf21("2","5","3","4","4","6","5","1") = "5"
    & skf21("2","5","3","4","4","6","6","1") = "5"
    & skf21("2","5","3","4","4","6","7","1") = "6"
    & skf21("2","5","3","4","4","7","1","1") = "6"
    & skf21("2","5","3","4","4","7","2","1") = "6"
    & skf21("2","5","3","4","4","7","3","1") = "6"
    & skf21("2","5","3","4","4","7","4","1") = "6"
    & skf21("2","5","3","4","4","7","5","1") = "6"
    & skf21("2","5","3","4","4","7","6","1") = "6"
    & skf21("2","5","3","4","4","7","7","1") = "6"
    & skf21("2","5","3","4","5","1","1","1") = "4"
    & skf21("2","5","3","4","5","1","2","1") = "4"
    & skf21("2","5","3","4","5","1","3","1") = "4"
    & skf21("2","5","3","4","5","1","4","1") = "4"
    & skf21("2","5","3","4","5","1","5","1") = "4"
    & skf21("2","5","3","4","5","1","6","1") = "5"
    & skf21("2","5","3","4","5","1","7","1") = "6"
    & skf21("2","5","3","4","5","2","1","1") = "4"
    & skf21("2","5","3","4","5","2","2","1") = "4"
    & skf21("2","5","3","4","5","2","3","1") = "4"
    & skf21("2","5","3","4","5","2","4","1") = "4"
    & skf21("2","5","3","4","5","2","5","1") = "4"
    & skf21("2","5","3","4","5","2","6","1") = "5"
    & skf21("2","5","3","4","5","2","7","1") = "6"
    & skf21("2","5","3","4","5","3","1","1") = "4"
    & skf21("2","5","3","4","5","3","2","1") = "4"
    & skf21("2","5","3","4","5","3","3","1") = "4"
    & skf21("2","5","3","4","5","3","4","1") = "4"
    & skf21("2","5","3","4","5","3","5","1") = "4"
    & skf21("2","5","3","4","5","3","6","1") = "5"
    & skf21("2","5","3","4","5","3","7","1") = "6"
    & skf21("2","5","3","4","5","4","1","1") = "4"
    & skf21("2","5","3","4","5","4","2","1") = "4"
    & skf21("2","5","3","4","5","4","3","1") = "4"
    & skf21("2","5","3","4","5","4","4","1") = "4"
    & skf21("2","5","3","4","5","4","5","1") = "4"
    & skf21("2","5","3","4","5","4","6","1") = "5"
    & skf21("2","5","3","4","5","4","7","1") = "6"
    & skf21("2","5","3","4","5","5","1","1") = "4"
    & skf21("2","5","3","4","5","5","2","1") = "4"
    & skf21("2","5","3","4","5","5","3","1") = "4"
    & skf21("2","5","3","4","5","5","4","1") = "4"
    & skf21("2","5","3","4","5","5","5","1") = "4"
    & skf21("2","5","3","4","5","5","6","1") = "5"
    & skf21("2","5","3","4","5","5","7","1") = "6"
    & skf21("2","5","3","4","5","6","1","1") = "5"
    & skf21("2","5","3","4","5","6","2","1") = "5"
    & skf21("2","5","3","4","5","6","3","1") = "5"
    & skf21("2","5","3","4","5","6","4","1") = "5"
    & skf21("2","5","3","4","5","6","5","1") = "5"
    & skf21("2","5","3","4","5","6","6","1") = "5"
    & skf21("2","5","3","4","5","6","7","1") = "6"
    & skf21("2","5","3","4","5","7","1","1") = "6"
    & skf21("2","5","3","4","5","7","2","1") = "6"
    & skf21("2","5","3","4","5","7","3","1") = "6"
    & skf21("2","5","3","4","5","7","4","1") = "6"
    & skf21("2","5","3","4","5","7","5","1") = "6"
    & skf21("2","5","3","4","5","7","6","1") = "6"
    & skf21("2","5","3","4","5","7","7","1") = "6"
    & skf21("2","5","3","4","6","1","1","1") = "5"
    & skf21("2","5","3","4","6","1","2","1") = "5"
    & skf21("2","5","3","4","6","1","3","1") = "5"
    & skf21("2","5","3","4","6","1","4","1") = "5"
    & skf21("2","5","3","4","6","1","5","1") = "5"
    & skf21("2","5","3","4","6","1","6","1") = "5"
    & skf21("2","5","3","4","6","1","7","1") = "6"
    & skf21("2","5","3","4","6","2","1","1") = "5"
    & skf21("2","5","3","4","6","2","2","1") = "5"
    & skf21("2","5","3","4","6","2","3","1") = "5"
    & skf21("2","5","3","4","6","2","4","1") = "5"
    & skf21("2","5","3","4","6","2","5","1") = "5"
    & skf21("2","5","3","4","6","2","6","1") = "5"
    & skf21("2","5","3","4","6","2","7","1") = "6"
    & skf21("2","5","3","4","6","3","1","1") = "5"
    & skf21("2","5","3","4","6","3","2","1") = "5"
    & skf21("2","5","3","4","6","3","3","1") = "5"
    & skf21("2","5","3","4","6","3","4","1") = "5"
    & skf21("2","5","3","4","6","3","5","1") = "5"
    & skf21("2","5","3","4","6","3","6","1") = "5"
    & skf21("2","5","3","4","6","3","7","1") = "6"
    & skf21("2","5","3","4","6","4","1","1") = "5"
    & skf21("2","5","3","4","6","4","2","1") = "5"
    & skf21("2","5","3","4","6","4","3","1") = "5"
    & skf21("2","5","3","4","6","4","4","1") = "5"
    & skf21("2","5","3","4","6","4","5","1") = "5"
    & skf21("2","5","3","4","6","4","6","1") = "5"
    & skf21("2","5","3","4","6","4","7","1") = "6"
    & skf21("2","5","3","4","6","5","1","1") = "5"
    & skf21("2","5","3","4","6","5","2","1") = "5"
    & skf21("2","5","3","4","6","5","3","1") = "5"
    & skf21("2","5","3","4","6","5","4","1") = "5"
    & skf21("2","5","3","4","6","5","5","1") = "5"
    & skf21("2","5","3","4","6","5","6","1") = "5"
    & skf21("2","5","3","4","6","5","7","1") = "6"
    & skf21("2","5","3","4","6","6","1","1") = "5"
    & skf21("2","5","3","4","6","6","2","1") = "5"
    & skf21("2","5","3","4","6","6","3","1") = "5"
    & skf21("2","5","3","4","6","6","4","1") = "5"
    & skf21("2","5","3","4","6","6","5","1") = "5"
    & skf21("2","5","3","4","6","6","6","1") = "5"
    & skf21("2","5","3","4","6","6","7","1") = "6"
    & skf21("2","5","3","4","6","7","1","1") = "6"
    & skf21("2","5","3","4","6","7","2","1") = "6"
    & skf21("2","5","3","4","6","7","3","1") = "6"
    & skf21("2","5","3","4","6","7","4","1") = "6"
    & skf21("2","5","3","4","6","7","5","1") = "6"
    & skf21("2","5","3","4","6","7","6","1") = "6"
    & skf21("2","5","3","4","6","7","7","1") = "6"
    & skf21("2","5","3","4","7","1","1","1") = "6"
    & skf21("2","5","3","4","7","1","2","1") = "6"
    & skf21("2","5","3","4","7","1","3","1") = "6"
    & skf21("2","5","3","4","7","1","4","1") = "6"
    & skf21("2","5","3","4","7","1","5","1") = "6"
    & skf21("2","5","3","4","7","1","6","1") = "6"
    & skf21("2","5","3","4","7","1","7","1") = "6"
    & skf21("2","5","3","4","7","2","1","1") = "6"
    & skf21("2","5","3","4","7","2","2","1") = "6"
    & skf21("2","5","3","4","7","2","3","1") = "6"
    & skf21("2","5","3","4","7","2","4","1") = "6"
    & skf21("2","5","3","4","7","2","5","1") = "6"
    & skf21("2","5","3","4","7","2","6","1") = "6"
    & skf21("2","5","3","4","7","2","7","1") = "6"
    & skf21("2","5","3","4","7","3","1","1") = "6"
    & skf21("2","5","3","4","7","3","2","1") = "6"
    & skf21("2","5","3","4","7","3","3","1") = "6"
    & skf21("2","5","3","4","7","3","4","1") = "6"
    & skf21("2","5","3","4","7","3","5","1") = "6"
    & skf21("2","5","3","4","7","3","6","1") = "6"
    & skf21("2","5","3","4","7","3","7","1") = "6"
    & skf21("2","5","3","4","7","4","1","1") = "6"
    & skf21("2","5","3","4","7","4","2","1") = "6"
    & skf21("2","5","3","4","7","4","3","1") = "6"
    & skf21("2","5","3","4","7","4","4","1") = "6"
    & skf21("2","5","3","4","7","4","5","1") = "6"
    & skf21("2","5","3","4","7","4","6","1") = "6"
    & skf21("2","5","3","4","7","4","7","1") = "6"
    & skf21("2","5","3","4","7","5","1","1") = "6"
    & skf21("2","5","3","4","7","5","2","1") = "6"
    & skf21("2","5","3","4","7","5","3","1") = "6"
    & skf21("2","5","3","4","7","5","4","1") = "6"
    & skf21("2","5","3","4","7","5","5","1") = "6"
    & skf21("2","5","3","4","7","5","6","1") = "6"
    & skf21("2","5","3","4","7","5","7","1") = "6"
    & skf21("2","5","3","4","7","6","1","1") = "6"
    & skf21("2","5","3","4","7","6","2","1") = "6"
    & skf21("2","5","3","4","7","6","3","1") = "6"
    & skf21("2","5","3","4","7","6","4","1") = "6"
    & skf21("2","5","3","4","7","6","5","1") = "6"
    & skf21("2","5","3","4","7","6","6","1") = "6"
    & skf21("2","5","3","4","7","6","7","1") = "6"
    & skf21("2","5","3","4","7","7","1","1") = "6"
    & skf21("2","5","3","4","7","7","2","1") = "6"
    & skf21("2","5","3","4","7","7","3","1") = "6"
    & skf21("2","5","3","4","7","7","4","1") = "6"
    & skf21("2","5","3","4","7","7","5","1") = "6"
    & skf21("2","5","3","4","7","7","6","1") = "6"
    & skf21("2","5","3","4","7","7","7","1") = "6"
    & skf21("2","5","3","5","1","1","1","1") = "4"
    & skf21("2","5","3","5","1","1","2","1") = "4"
    & skf21("2","5","3","5","1","1","3","1") = "4"
    & skf21("2","5","3","5","1","1","4","1") = "4"
    & skf21("2","5","3","5","1","1","5","1") = "4"
    & skf21("2","5","3","5","1","1","6","1") = "5"
    & skf21("2","5","3","5","1","1","7","1") = "6"
    & skf21("2","5","3","5","1","2","1","1") = "4"
    & skf21("2","5","3","5","1","2","2","1") = "4"
    & skf21("2","5","3","5","1","2","3","1") = "4"
    & skf21("2","5","3","5","1","2","4","1") = "4"
    & skf21("2","5","3","5","1","2","5","1") = "4"
    & skf21("2","5","3","5","1","2","6","1") = "5"
    & skf21("2","5","3","5","1","2","7","1") = "6"
    & skf21("2","5","3","5","1","3","1","1") = "4"
    & skf21("2","5","3","5","1","3","2","1") = "4"
    & skf21("2","5","3","5","1","3","3","1") = "4"
    & skf21("2","5","3","5","1","3","4","1") = "4"
    & skf21("2","5","3","5","1","3","5","1") = "4"
    & skf21("2","5","3","5","1","3","6","1") = "5"
    & skf21("2","5","3","5","1","3","7","1") = "6"
    & skf21("2","5","3","5","1","4","1","1") = "4"
    & skf21("2","5","3","5","1","4","2","1") = "4"
    & skf21("2","5","3","5","1","4","3","1") = "4"
    & skf21("2","5","3","5","1","4","4","1") = "4"
    & skf21("2","5","3","5","1","4","5","1") = "4"
    & skf21("2","5","3","5","1","4","6","1") = "5"
    & skf21("2","5","3","5","1","4","7","1") = "6"
    & skf21("2","5","3","5","1","5","1","1") = "4"
    & skf21("2","5","3","5","1","5","2","1") = "4"
    & skf21("2","5","3","5","1","5","3","1") = "4"
    & skf21("2","5","3","5","1","5","4","1") = "4"
    & skf21("2","5","3","5","1","5","5","1") = "4"
    & skf21("2","5","3","5","1","5","6","1") = "5"
    & skf21("2","5","3","5","1","5","7","1") = "6"
    & skf21("2","5","3","5","1","6","1","1") = "5"
    & skf21("2","5","3","5","1","6","2","1") = "5"
    & skf21("2","5","3","5","1","6","3","1") = "5"
    & skf21("2","5","3","5","1","6","4","1") = "5"
    & skf21("2","5","3","5","1","6","5","1") = "5"
    & skf21("2","5","3","5","1","6","6","1") = "5"
    & skf21("2","5","3","5","1","6","7","1") = "6"
    & skf21("2","5","3","5","1","7","1","1") = "6"
    & skf21("2","5","3","5","1","7","2","1") = "6"
    & skf21("2","5","3","5","1","7","3","1") = "6"
    & skf21("2","5","3","5","1","7","4","1") = "6"
    & skf21("2","5","3","5","1","7","5","1") = "6"
    & skf21("2","5","3","5","1","7","6","1") = "6"
    & skf21("2","5","3","5","1","7","7","1") = "6"
    & skf21("2","5","3","5","2","1","1","1") = "4"
    & skf21("2","5","3","5","2","1","2","1") = "4"
    & skf21("2","5","3","5","2","1","3","1") = "4"
    & skf21("2","5","3","5","2","1","4","1") = "4"
    & skf21("2","5","3","5","2","1","5","1") = "4"
    & skf21("2","5","3","5","2","1","6","1") = "5"
    & skf21("2","5","3","5","2","1","7","1") = "6"
    & skf21("2","5","3","5","2","2","1","1") = "4"
    & skf21("2","5","3","5","2","2","2","1") = "4"
    & skf21("2","5","3","5","2","2","3","1") = "4"
    & skf21("2","5","3","5","2","2","4","1") = "4"
    & skf21("2","5","3","5","2","2","5","1") = "4"
    & skf21("2","5","3","5","2","2","6","1") = "5"
    & skf21("2","5","3","5","2","2","7","1") = "6"
    & skf21("2","5","3","5","2","3","1","1") = "4"
    & skf21("2","5","3","5","2","3","2","1") = "4"
    & skf21("2","5","3","5","2","3","3","1") = "4"
    & skf21("2","5","3","5","2","3","4","1") = "4"
    & skf21("2","5","3","5","2","3","5","1") = "4"
    & skf21("2","5","3","5","2","3","6","1") = "5"
    & skf21("2","5","3","5","2","3","7","1") = "6"
    & skf21("2","5","3","5","2","4","1","1") = "4"
    & skf21("2","5","3","5","2","4","2","1") = "4"
    & skf21("2","5","3","5","2","4","3","1") = "4"
    & skf21("2","5","3","5","2","4","4","1") = "4"
    & skf21("2","5","3","5","2","4","5","1") = "4"
    & skf21("2","5","3","5","2","4","6","1") = "5"
    & skf21("2","5","3","5","2","4","7","1") = "6"
    & skf21("2","5","3","5","2","5","1","1") = "4"
    & skf21("2","5","3","5","2","5","2","1") = "4"
    & skf21("2","5","3","5","2","5","3","1") = "4"
    & skf21("2","5","3","5","2","5","4","1") = "4"
    & skf21("2","5","3","5","2","5","5","1") = "4"
    & skf21("2","5","3","5","2","5","6","1") = "5"
    & skf21("2","5","3","5","2","5","7","1") = "6"
    & skf21("2","5","3","5","2","6","1","1") = "5"
    & skf21("2","5","3","5","2","6","2","1") = "5"
    & skf21("2","5","3","5","2","6","3","1") = "5"
    & skf21("2","5","3","5","2","6","4","1") = "5"
    & skf21("2","5","3","5","2","6","5","1") = "5"
    & skf21("2","5","3","5","2","6","6","1") = "5"
    & skf21("2","5","3","5","2","6","7","1") = "6"
    & skf21("2","5","3","5","2","7","1","1") = "6"
    & skf21("2","5","3","5","2","7","2","1") = "6"
    & skf21("2","5","3","5","2","7","3","1") = "6"
    & skf21("2","5","3","5","2","7","4","1") = "6"
    & skf21("2","5","3","5","2","7","5","1") = "6"
    & skf21("2","5","3","5","2","7","6","1") = "6"
    & skf21("2","5","3","5","2","7","7","1") = "6"
    & skf21("2","5","3","5","3","1","1","1") = "4"
    & skf21("2","5","3","5","3","1","2","1") = "4"
    & skf21("2","5","3","5","3","1","3","1") = "4"
    & skf21("2","5","3","5","3","1","4","1") = "4"
    & skf21("2","5","3","5","3","1","5","1") = "4"
    & skf21("2","5","3","5","3","1","6","1") = "5"
    & skf21("2","5","3","5","3","1","7","1") = "6"
    & skf21("2","5","3","5","3","2","1","1") = "4"
    & skf21("2","5","3","5","3","2","2","1") = "4"
    & skf21("2","5","3","5","3","2","3","1") = "4"
    & skf21("2","5","3","5","3","2","4","1") = "4"
    & skf21("2","5","3","5","3","2","5","1") = "4"
    & skf21("2","5","3","5","3","2","6","1") = "5"
    & skf21("2","5","3","5","3","2","7","1") = "6"
    & skf21("2","5","3","5","3","3","1","1") = "4"
    & skf21("2","5","3","5","3","3","2","1") = "4"
    & skf21("2","5","3","5","3","3","3","1") = "4"
    & skf21("2","5","3","5","3","3","4","1") = "4"
    & skf21("2","5","3","5","3","3","5","1") = "4"
    & skf21("2","5","3","5","3","3","6","1") = "5"
    & skf21("2","5","3","5","3","3","7","1") = "6"
    & skf21("2","5","3","5","3","4","1","1") = "4"
    & skf21("2","5","3","5","3","4","2","1") = "4"
    & skf21("2","5","3","5","3","4","3","1") = "4"
    & skf21("2","5","3","5","3","4","4","1") = "4"
    & skf21("2","5","3","5","3","4","5","1") = "4"
    & skf21("2","5","3","5","3","4","6","1") = "5"
    & skf21("2","5","3","5","3","4","7","1") = "6"
    & skf21("2","5","3","5","3","5","1","1") = "4"
    & skf21("2","5","3","5","3","5","2","1") = "4"
    & skf21("2","5","3","5","3","5","3","1") = "4"
    & skf21("2","5","3","5","3","5","4","1") = "4"
    & skf21("2","5","3","5","3","5","5","1") = "4"
    & skf21("2","5","3","5","3","5","6","1") = "5"
    & skf21("2","5","3","5","3","5","7","1") = "6"
    & skf21("2","5","3","5","3","6","1","1") = "5"
    & skf21("2","5","3","5","3","6","2","1") = "5"
    & skf21("2","5","3","5","3","6","3","1") = "5"
    & skf21("2","5","3","5","3","6","4","1") = "5"
    & skf21("2","5","3","5","3","6","5","1") = "5"
    & skf21("2","5","3","5","3","6","6","1") = "5"
    & skf21("2","5","3","5","3","6","7","1") = "6"
    & skf21("2","5","3","5","3","7","1","1") = "6"
    & skf21("2","5","3","5","3","7","2","1") = "6"
    & skf21("2","5","3","5","3","7","3","1") = "6"
    & skf21("2","5","3","5","3","7","4","1") = "6"
    & skf21("2","5","3","5","3","7","5","1") = "6"
    & skf21("2","5","3","5","3","7","6","1") = "6"
    & skf21("2","5","3","5","3","7","7","1") = "6"
    & skf21("2","5","3","5","4","1","1","1") = "4"
    & skf21("2","5","3","5","4","1","2","1") = "4"
    & skf21("2","5","3","5","4","1","3","1") = "4"
    & skf21("2","5","3","5","4","1","4","1") = "4"
    & skf21("2","5","3","5","4","1","5","1") = "4"
    & skf21("2","5","3","5","4","1","6","1") = "5"
    & skf21("2","5","3","5","4","1","7","1") = "6"
    & skf21("2","5","3","5","4","2","1","1") = "4"
    & skf21("2","5","3","5","4","2","2","1") = "4"
    & skf21("2","5","3","5","4","2","3","1") = "4"
    & skf21("2","5","3","5","4","2","4","1") = "4"
    & skf21("2","5","3","5","4","2","5","1") = "4"
    & skf21("2","5","3","5","4","2","6","1") = "5"
    & skf21("2","5","3","5","4","2","7","1") = "6"
    & skf21("2","5","3","5","4","3","1","1") = "4"
    & skf21("2","5","3","5","4","3","2","1") = "4"
    & skf21("2","5","3","5","4","3","3","1") = "4"
    & skf21("2","5","3","5","4","3","4","1") = "4"
    & skf21("2","5","3","5","4","3","5","1") = "4"
    & skf21("2","5","3","5","4","3","6","1") = "5"
    & skf21("2","5","3","5","4","3","7","1") = "6"
    & skf21("2","5","3","5","4","4","1","1") = "4"
    & skf21("2","5","3","5","4","4","2","1") = "4"
    & skf21("2","5","3","5","4","4","3","1") = "4"
    & skf21("2","5","3","5","4","4","4","1") = "4"
    & skf21("2","5","3","5","4","4","5","1") = "4"
    & skf21("2","5","3","5","4","4","6","1") = "5"
    & skf21("2","5","3","5","4","4","7","1") = "6"
    & skf21("2","5","3","5","4","5","1","1") = "4"
    & skf21("2","5","3","5","4","5","2","1") = "4"
    & skf21("2","5","3","5","4","5","3","1") = "4"
    & skf21("2","5","3","5","4","5","4","1") = "4"
    & skf21("2","5","3","5","4","5","5","1") = "4"
    & skf21("2","5","3","5","4","5","6","1") = "5"
    & skf21("2","5","3","5","4","5","7","1") = "6"
    & skf21("2","5","3","5","4","6","1","1") = "5"
    & skf21("2","5","3","5","4","6","2","1") = "5"
    & skf21("2","5","3","5","4","6","3","1") = "5"
    & skf21("2","5","3","5","4","6","4","1") = "5"
    & skf21("2","5","3","5","4","6","5","1") = "5"
    & skf21("2","5","3","5","4","6","6","1") = "5"
    & skf21("2","5","3","5","4","6","7","1") = "6"
    & skf21("2","5","3","5","4","7","1","1") = "6"
    & skf21("2","5","3","5","4","7","2","1") = "6"
    & skf21("2","5","3","5","4","7","3","1") = "6"
    & skf21("2","5","3","5","4","7","4","1") = "6"
    & skf21("2","5","3","5","4","7","5","1") = "6"
    & skf21("2","5","3","5","4","7","6","1") = "6"
    & skf21("2","5","3","5","4","7","7","1") = "6"
    & skf21("2","5","3","5","5","1","1","1") = "4"
    & skf21("2","5","3","5","5","1","2","1") = "4"
    & skf21("2","5","3","5","5","1","3","1") = "4"
    & skf21("2","5","3","5","5","1","4","1") = "4"
    & skf21("2","5","3","5","5","1","5","1") = "4"
    & skf21("2","5","3","5","5","1","6","1") = "5"
    & skf21("2","5","3","5","5","1","7","1") = "6"
    & skf21("2","5","3","5","5","2","1","1") = "4"
    & skf21("2","5","3","5","5","2","2","1") = "4"
    & skf21("2","5","3","5","5","2","3","1") = "4"
    & skf21("2","5","3","5","5","2","4","1") = "4"
    & skf21("2","5","3","5","5","2","5","1") = "4"
    & skf21("2","5","3","5","5","2","6","1") = "5"
    & skf21("2","5","3","5","5","2","7","1") = "6"
    & skf21("2","5","3","5","5","3","1","1") = "4"
    & skf21("2","5","3","5","5","3","2","1") = "4"
    & skf21("2","5","3","5","5","3","3","1") = "4"
    & skf21("2","5","3","5","5","3","4","1") = "4"
    & skf21("2","5","3","5","5","3","5","1") = "4"
    & skf21("2","5","3","5","5","3","6","1") = "5"
    & skf21("2","5","3","5","5","3","7","1") = "6"
    & skf21("2","5","3","5","5","4","1","1") = "4"
    & skf21("2","5","3","5","5","4","2","1") = "4"
    & skf21("2","5","3","5","5","4","3","1") = "4"
    & skf21("2","5","3","5","5","4","4","1") = "4"
    & skf21("2","5","3","5","5","4","5","1") = "4"
    & skf21("2","5","3","5","5","4","6","1") = "5"
    & skf21("2","5","3","5","5","4","7","1") = "6"
    & skf21("2","5","3","5","5","5","1","1") = "4"
    & skf21("2","5","3","5","5","5","2","1") = "4"
    & skf21("2","5","3","5","5","5","3","1") = "4"
    & skf21("2","5","3","5","5","5","4","1") = "4"
    & skf21("2","5","3","5","5","5","5","1") = "4"
    & skf21("2","5","3","5","5","5","6","1") = "5"
    & skf21("2","5","3","5","5","5","7","1") = "6"
    & skf21("2","5","3","5","5","6","1","1") = "5"
    & skf21("2","5","3","5","5","6","2","1") = "5"
    & skf21("2","5","3","5","5","6","3","1") = "5"
    & skf21("2","5","3","5","5","6","4","1") = "5"
    & skf21("2","5","3","5","5","6","5","1") = "5"
    & skf21("2","5","3","5","5","6","6","1") = "5"
    & skf21("2","5","3","5","5","6","7","1") = "6"
    & skf21("2","5","3","5","5","7","1","1") = "6"
    & skf21("2","5","3","5","5","7","2","1") = "6"
    & skf21("2","5","3","5","5","7","3","1") = "6"
    & skf21("2","5","3","5","5","7","4","1") = "6"
    & skf21("2","5","3","5","5","7","5","1") = "6"
    & skf21("2","5","3","5","5","7","6","1") = "6"
    & skf21("2","5","3","5","5","7","7","1") = "6"
    & skf21("2","5","3","5","6","1","1","1") = "5"
    & skf21("2","5","3","5","6","1","2","1") = "5"
    & skf21("2","5","3","5","6","1","3","1") = "5"
    & skf21("2","5","3","5","6","1","4","1") = "5"
    & skf21("2","5","3","5","6","1","5","1") = "5"
    & skf21("2","5","3","5","6","1","6","1") = "5"
    & skf21("2","5","3","5","6","1","7","1") = "6"
    & skf21("2","5","3","5","6","2","1","1") = "5"
    & skf21("2","5","3","5","6","2","2","1") = "5"
    & skf21("2","5","3","5","6","2","3","1") = "5"
    & skf21("2","5","3","5","6","2","4","1") = "5"
    & skf21("2","5","3","5","6","2","5","1") = "5"
    & skf21("2","5","3","5","6","2","6","1") = "5"
    & skf21("2","5","3","5","6","2","7","1") = "6"
    & skf21("2","5","3","5","6","3","1","1") = "5"
    & skf21("2","5","3","5","6","3","2","1") = "5"
    & skf21("2","5","3","5","6","3","3","1") = "5"
    & skf21("2","5","3","5","6","3","4","1") = "5"
    & skf21("2","5","3","5","6","3","5","1") = "5"
    & skf21("2","5","3","5","6","3","6","1") = "5"
    & skf21("2","5","3","5","6","3","7","1") = "6"
    & skf21("2","5","3","5","6","4","1","1") = "5"
    & skf21("2","5","3","5","6","4","2","1") = "5"
    & skf21("2","5","3","5","6","4","3","1") = "5"
    & skf21("2","5","3","5","6","4","4","1") = "5"
    & skf21("2","5","3","5","6","4","5","1") = "5"
    & skf21("2","5","3","5","6","4","6","1") = "5"
    & skf21("2","5","3","5","6","4","7","1") = "6"
    & skf21("2","5","3","5","6","5","1","1") = "5"
    & skf21("2","5","3","5","6","5","2","1") = "5"
    & skf21("2","5","3","5","6","5","3","1") = "5"
    & skf21("2","5","3","5","6","5","4","1") = "5"
    & skf21("2","5","3","5","6","5","5","1") = "5"
    & skf21("2","5","3","5","6","5","6","1") = "5"
    & skf21("2","5","3","5","6","5","7","1") = "6"
    & skf21("2","5","3","5","6","6","1","1") = "5"
    & skf21("2","5","3","5","6","6","2","1") = "5"
    & skf21("2","5","3","5","6","6","3","1") = "5"
    & skf21("2","5","3","5","6","6","4","1") = "5"
    & skf21("2","5","3","5","6","6","5","1") = "5"
    & skf21("2","5","3","5","6","6","6","1") = "5"
    & skf21("2","5","3","5","6","6","7","1") = "6"
    & skf21("2","5","3","5","6","7","1","1") = "6"
    & skf21("2","5","3","5","6","7","2","1") = "6"
    & skf21("2","5","3","5","6","7","3","1") = "6"
    & skf21("2","5","3","5","6","7","4","1") = "6"
    & skf21("2","5","3","5","6","7","5","1") = "6"
    & skf21("2","5","3","5","6","7","6","1") = "6"
    & skf21("2","5","3","5","6","7","7","1") = "6"
    & skf21("2","5","3","5","7","1","1","1") = "6"
    & skf21("2","5","3","5","7","1","2","1") = "6"
    & skf21("2","5","3","5","7","1","3","1") = "6"
    & skf21("2","5","3","5","7","1","4","1") = "6"
    & skf21("2","5","3","5","7","1","5","1") = "6"
    & skf21("2","5","3","5","7","1","6","1") = "6"
    & skf21("2","5","3","5","7","1","7","1") = "6"
    & skf21("2","5","3","5","7","2","1","1") = "6"
    & skf21("2","5","3","5","7","2","2","1") = "6"
    & skf21("2","5","3","5","7","2","3","1") = "6"
    & skf21("2","5","3","5","7","2","4","1") = "6"
    & skf21("2","5","3","5","7","2","5","1") = "6"
    & skf21("2","5","3","5","7","2","6","1") = "6"
    & skf21("2","5","3","5","7","2","7","1") = "6"
    & skf21("2","5","3","5","7","3","1","1") = "6"
    & skf21("2","5","3","5","7","3","2","1") = "6"
    & skf21("2","5","3","5","7","3","3","1") = "6"
    & skf21("2","5","3","5","7","3","4","1") = "6"
    & skf21("2","5","3","5","7","3","5","1") = "6"
    & skf21("2","5","3","5","7","3","6","1") = "6"
    & skf21("2","5","3","5","7","3","7","1") = "6"
    & skf21("2","5","3","5","7","4","1","1") = "6"
    & skf21("2","5","3","5","7","4","2","1") = "6"
    & skf21("2","5","3","5","7","4","3","1") = "6"
    & skf21("2","5","3","5","7","4","4","1") = "6"
    & skf21("2","5","3","5","7","4","5","1") = "6"
    & skf21("2","5","3","5","7","4","6","1") = "6"
    & skf21("2","5","3","5","7","4","7","1") = "6"
    & skf21("2","5","3","5","7","5","1","1") = "6"
    & skf21("2","5","3","5","7","5","2","1") = "6"
    & skf21("2","5","3","5","7","5","3","1") = "6"
    & skf21("2","5","3","5","7","5","4","1") = "6"
    & skf21("2","5","3","5","7","5","5","1") = "6"
    & skf21("2","5","3","5","7","5","6","1") = "6"
    & skf21("2","5","3","5","7","5","7","1") = "6"
    & skf21("2","5","3","5","7","6","1","1") = "6"
    & skf21("2","5","3","5","7","6","2","1") = "6"
    & skf21("2","5","3","5","7","6","3","1") = "6"
    & skf21("2","5","3","5","7","6","4","1") = "6"
    & skf21("2","5","3","5","7","6","5","1") = "6"
    & skf21("2","5","3","5","7","6","6","1") = "6"
    & skf21("2","5","3","5","7","6","7","1") = "6"
    & skf21("2","5","3","5","7","7","1","1") = "6"
    & skf21("2","5","3","5","7","7","2","1") = "6"
    & skf21("2","5","3","5","7","7","3","1") = "6"
    & skf21("2","5","3","5","7","7","4","1") = "6"
    & skf21("2","5","3","5","7","7","5","1") = "6"
    & skf21("2","5","3","5","7","7","6","1") = "6"
    & skf21("2","5","3","5","7","7","7","1") = "6"
    & skf21("2","5","3","6","1","1","1","1") = "5"
    & skf21("2","5","3","6","1","1","2","1") = "5"
    & skf21("2","5","3","6","1","1","3","1") = "5"
    & skf21("2","5","3","6","1","1","4","1") = "5"
    & skf21("2","5","3","6","1","1","5","1") = "5"
    & skf21("2","5","3","6","1","1","6","1") = "5"
    & skf21("2","5","3","6","1","1","7","1") = "6"
    & skf21("2","5","3","6","1","2","1","1") = "5"
    & skf21("2","5","3","6","1","2","2","1") = "5"
    & skf21("2","5","3","6","1","2","3","1") = "5"
    & skf21("2","5","3","6","1","2","4","1") = "5"
    & skf21("2","5","3","6","1","2","5","1") = "5"
    & skf21("2","5","3","6","1","2","6","1") = "5"
    & skf21("2","5","3","6","1","2","7","1") = "6"
    & skf21("2","5","3","6","1","3","1","1") = "5"
    & skf21("2","5","3","6","1","3","2","1") = "5"
    & skf21("2","5","3","6","1","3","3","1") = "5"
    & skf21("2","5","3","6","1","3","4","1") = "5"
    & skf21("2","5","3","6","1","3","5","1") = "5"
    & skf21("2","5","3","6","1","3","6","1") = "5"
    & skf21("2","5","3","6","1","3","7","1") = "6"
    & skf21("2","5","3","6","1","4","1","1") = "5"
    & skf21("2","5","3","6","1","4","2","1") = "5"
    & skf21("2","5","3","6","1","4","3","1") = "5"
    & skf21("2","5","3","6","1","4","4","1") = "5"
    & skf21("2","5","3","6","1","4","5","1") = "5"
    & skf21("2","5","3","6","1","4","6","1") = "5"
    & skf21("2","5","3","6","1","4","7","1") = "6"
    & skf21("2","5","3","6","1","5","1","1") = "5"
    & skf21("2","5","3","6","1","5","2","1") = "5"
    & skf21("2","5","3","6","1","5","3","1") = "5"
    & skf21("2","5","3","6","1","5","4","1") = "5"
    & skf21("2","5","3","6","1","5","5","1") = "5"
    & skf21("2","5","3","6","1","5","6","1") = "5"
    & skf21("2","5","3","6","1","5","7","1") = "6"
    & skf21("2","5","3","6","1","6","1","1") = "5"
    & skf21("2","5","3","6","1","6","2","1") = "5"
    & skf21("2","5","3","6","1","6","3","1") = "5"
    & skf21("2","5","3","6","1","6","4","1") = "5"
    & skf21("2","5","3","6","1","6","5","1") = "5"
    & skf21("2","5","3","6","1","6","6","1") = "5"
    & skf21("2","5","3","6","1","6","7","1") = "6"
    & skf21("2","5","3","6","1","7","1","1") = "6"
    & skf21("2","5","3","6","1","7","2","1") = "6"
    & skf21("2","5","3","6","1","7","3","1") = "6"
    & skf21("2","5","3","6","1","7","4","1") = "6"
    & skf21("2","5","3","6","1","7","5","1") = "6"
    & skf21("2","5","3","6","1","7","6","1") = "6"
    & skf21("2","5","3","6","1","7","7","1") = "6"
    & skf21("2","5","3","6","2","1","1","1") = "5"
    & skf21("2","5","3","6","2","1","2","1") = "5"
    & skf21("2","5","3","6","2","1","3","1") = "5"
    & skf21("2","5","3","6","2","1","4","1") = "5"
    & skf21("2","5","3","6","2","1","5","1") = "5"
    & skf21("2","5","3","6","2","1","6","1") = "5"
    & skf21("2","5","3","6","2","1","7","1") = "6"
    & skf21("2","5","3","6","2","2","1","1") = "5"
    & skf21("2","5","3","6","2","2","2","1") = "5"
    & skf21("2","5","3","6","2","2","3","1") = "5"
    & skf21("2","5","3","6","2","2","4","1") = "5"
    & skf21("2","5","3","6","2","2","5","1") = "5"
    & skf21("2","5","3","6","2","2","6","1") = "5"
    & skf21("2","5","3","6","2","2","7","1") = "6"
    & skf21("2","5","3","6","2","3","1","1") = "5"
    & skf21("2","5","3","6","2","3","2","1") = "5"
    & skf21("2","5","3","6","2","3","3","1") = "5"
    & skf21("2","5","3","6","2","3","4","1") = "5"
    & skf21("2","5","3","6","2","3","5","1") = "5"
    & skf21("2","5","3","6","2","3","6","1") = "5"
    & skf21("2","5","3","6","2","3","7","1") = "6"
    & skf21("2","5","3","6","2","4","1","1") = "5"
    & skf21("2","5","3","6","2","4","2","1") = "5"
    & skf21("2","5","3","6","2","4","3","1") = "5"
    & skf21("2","5","3","6","2","4","4","1") = "5"
    & skf21("2","5","3","6","2","4","5","1") = "5"
    & skf21("2","5","3","6","2","4","6","1") = "5"
    & skf21("2","5","3","6","2","4","7","1") = "6"
    & skf21("2","5","3","6","2","5","1","1") = "5"
    & skf21("2","5","3","6","2","5","2","1") = "5"
    & skf21("2","5","3","6","2","5","3","1") = "5"
    & skf21("2","5","3","6","2","5","4","1") = "5"
    & skf21("2","5","3","6","2","5","5","1") = "5"
    & skf21("2","5","3","6","2","5","6","1") = "5"
    & skf21("2","5","3","6","2","5","7","1") = "6"
    & skf21("2","5","3","6","2","6","1","1") = "5"
    & skf21("2","5","3","6","2","6","2","1") = "5"
    & skf21("2","5","3","6","2","6","3","1") = "5"
    & skf21("2","5","3","6","2","6","4","1") = "5"
    & skf21("2","5","3","6","2","6","5","1") = "5"
    & skf21("2","5","3","6","2","6","6","1") = "5"
    & skf21("2","5","3","6","2","6","7","1") = "6"
    & skf21("2","5","3","6","2","7","1","1") = "6"
    & skf21("2","5","3","6","2","7","2","1") = "6"
    & skf21("2","5","3","6","2","7","3","1") = "6"
    & skf21("2","5","3","6","2","7","4","1") = "6"
    & skf21("2","5","3","6","2","7","5","1") = "6"
    & skf21("2","5","3","6","2","7","6","1") = "6"
    & skf21("2","5","3","6","2","7","7","1") = "6"
    & skf21("2","5","3","6","3","1","1","1") = "5"
    & skf21("2","5","3","6","3","1","2","1") = "5"
    & skf21("2","5","3","6","3","1","3","1") = "5"
    & skf21("2","5","3","6","3","1","4","1") = "5"
    & skf21("2","5","3","6","3","1","5","1") = "5"
    & skf21("2","5","3","6","3","1","6","1") = "5"
    & skf21("2","5","3","6","3","1","7","1") = "6"
    & skf21("2","5","3","6","3","2","1","1") = "5"
    & skf21("2","5","3","6","3","2","2","1") = "5"
    & skf21("2","5","3","6","3","2","3","1") = "5"
    & skf21("2","5","3","6","3","2","4","1") = "5"
    & skf21("2","5","3","6","3","2","5","1") = "5"
    & skf21("2","5","3","6","3","2","6","1") = "5"
    & skf21("2","5","3","6","3","2","7","1") = "6"
    & skf21("2","5","3","6","3","3","1","1") = "5"
    & skf21("2","5","3","6","3","3","2","1") = "5"
    & skf21("2","5","3","6","3","3","3","1") = "5"
    & skf21("2","5","3","6","3","3","4","1") = "5"
    & skf21("2","5","3","6","3","3","5","1") = "5"
    & skf21("2","5","3","6","3","3","6","1") = "5"
    & skf21("2","5","3","6","3","3","7","1") = "6"
    & skf21("2","5","3","6","3","4","1","1") = "5"
    & skf21("2","5","3","6","3","4","2","1") = "5"
    & skf21("2","5","3","6","3","4","3","1") = "5"
    & skf21("2","5","3","6","3","4","4","1") = "5"
    & skf21("2","5","3","6","3","4","5","1") = "5"
    & skf21("2","5","3","6","3","4","6","1") = "5"
    & skf21("2","5","3","6","3","4","7","1") = "6"
    & skf21("2","5","3","6","3","5","1","1") = "5"
    & skf21("2","5","3","6","3","5","2","1") = "5"
    & skf21("2","5","3","6","3","5","3","1") = "5"
    & skf21("2","5","3","6","3","5","4","1") = "5"
    & skf21("2","5","3","6","3","5","5","1") = "5"
    & skf21("2","5","3","6","3","5","6","1") = "5"
    & skf21("2","5","3","6","3","5","7","1") = "6"
    & skf21("2","5","3","6","3","6","1","1") = "5"
    & skf21("2","5","3","6","3","6","2","1") = "5"
    & skf21("2","5","3","6","3","6","3","1") = "5"
    & skf21("2","5","3","6","3","6","4","1") = "5"
    & skf21("2","5","3","6","3","6","5","1") = "5"
    & skf21("2","5","3","6","3","6","6","1") = "5"
    & skf21("2","5","3","6","3","6","7","1") = "6"
    & skf21("2","5","3","6","3","7","1","1") = "6"
    & skf21("2","5","3","6","3","7","2","1") = "6"
    & skf21("2","5","3","6","3","7","3","1") = "6"
    & skf21("2","5","3","6","3","7","4","1") = "6"
    & skf21("2","5","3","6","3","7","5","1") = "6"
    & skf21("2","5","3","6","3","7","6","1") = "6"
    & skf21("2","5","3","6","3","7","7","1") = "6"
    & skf21("2","5","3","6","4","1","1","1") = "5"
    & skf21("2","5","3","6","4","1","2","1") = "5"
    & skf21("2","5","3","6","4","1","3","1") = "5"
    & skf21("2","5","3","6","4","1","4","1") = "5"
    & skf21("2","5","3","6","4","1","5","1") = "5"
    & skf21("2","5","3","6","4","1","6","1") = "5"
    & skf21("2","5","3","6","4","1","7","1") = "6"
    & skf21("2","5","3","6","4","2","1","1") = "5"
    & skf21("2","5","3","6","4","2","2","1") = "5"
    & skf21("2","5","3","6","4","2","3","1") = "5"
    & skf21("2","5","3","6","4","2","4","1") = "5"
    & skf21("2","5","3","6","4","2","5","1") = "5"
    & skf21("2","5","3","6","4","2","6","1") = "5"
    & skf21("2","5","3","6","4","2","7","1") = "6"
    & skf21("2","5","3","6","4","3","1","1") = "5"
    & skf21("2","5","3","6","4","3","2","1") = "5"
    & skf21("2","5","3","6","4","3","3","1") = "5"
    & skf21("2","5","3","6","4","3","4","1") = "5"
    & skf21("2","5","3","6","4","3","5","1") = "5"
    & skf21("2","5","3","6","4","3","6","1") = "5"
    & skf21("2","5","3","6","4","3","7","1") = "6"
    & skf21("2","5","3","6","4","4","1","1") = "5"
    & skf21("2","5","3","6","4","4","2","1") = "5"
    & skf21("2","5","3","6","4","4","3","1") = "5"
    & skf21("2","5","3","6","4","4","4","1") = "5"
    & skf21("2","5","3","6","4","4","5","1") = "5"
    & skf21("2","5","3","6","4","4","6","1") = "5"
    & skf21("2","5","3","6","4","4","7","1") = "6"
    & skf21("2","5","3","6","4","5","1","1") = "5"
    & skf21("2","5","3","6","4","5","2","1") = "5"
    & skf21("2","5","3","6","4","5","3","1") = "5"
    & skf21("2","5","3","6","4","5","4","1") = "5"
    & skf21("2","5","3","6","4","5","5","1") = "5"
    & skf21("2","5","3","6","4","5","6","1") = "5"
    & skf21("2","5","3","6","4","5","7","1") = "6"
    & skf21("2","5","3","6","4","6","1","1") = "5"
    & skf21("2","5","3","6","4","6","2","1") = "5"
    & skf21("2","5","3","6","4","6","3","1") = "5"
    & skf21("2","5","3","6","4","6","4","1") = "5"
    & skf21("2","5","3","6","4","6","5","1") = "5"
    & skf21("2","5","3","6","4","6","6","1") = "5"
    & skf21("2","5","3","6","4","6","7","1") = "6"
    & skf21("2","5","3","6","4","7","1","1") = "6"
    & skf21("2","5","3","6","4","7","2","1") = "6"
    & skf21("2","5","3","6","4","7","3","1") = "6"
    & skf21("2","5","3","6","4","7","4","1") = "6"
    & skf21("2","5","3","6","4","7","5","1") = "6"
    & skf21("2","5","3","6","4","7","6","1") = "6"
    & skf21("2","5","3","6","4","7","7","1") = "6"
    & skf21("2","5","3","6","5","1","1","1") = "5"
    & skf21("2","5","3","6","5","1","2","1") = "5"
    & skf21("2","5","3","6","5","1","3","1") = "5"
    & skf21("2","5","3","6","5","1","4","1") = "5"
    & skf21("2","5","3","6","5","1","5","1") = "5"
    & skf21("2","5","3","6","5","1","6","1") = "5"
    & skf21("2","5","3","6","5","1","7","1") = "6"
    & skf21("2","5","3","6","5","2","1","1") = "5"
    & skf21("2","5","3","6","5","2","2","1") = "5"
    & skf21("2","5","3","6","5","2","3","1") = "5"
    & skf21("2","5","3","6","5","2","4","1") = "5"
    & skf21("2","5","3","6","5","2","5","1") = "5"
    & skf21("2","5","3","6","5","2","6","1") = "5"
    & skf21("2","5","3","6","5","2","7","1") = "6"
    & skf21("2","5","3","6","5","3","1","1") = "5"
    & skf21("2","5","3","6","5","3","2","1") = "5"
    & skf21("2","5","3","6","5","3","3","1") = "5"
    & skf21("2","5","3","6","5","3","4","1") = "5"
    & skf21("2","5","3","6","5","3","5","1") = "5"
    & skf21("2","5","3","6","5","3","6","1") = "5"
    & skf21("2","5","3","6","5","3","7","1") = "6"
    & skf21("2","5","3","6","5","4","1","1") = "5"
    & skf21("2","5","3","6","5","4","2","1") = "5"
    & skf21("2","5","3","6","5","4","3","1") = "5"
    & skf21("2","5","3","6","5","4","4","1") = "5"
    & skf21("2","5","3","6","5","4","5","1") = "5"
    & skf21("2","5","3","6","5","4","6","1") = "5"
    & skf21("2","5","3","6","5","4","7","1") = "6"
    & skf21("2","5","3","6","5","5","1","1") = "5"
    & skf21("2","5","3","6","5","5","2","1") = "5"
    & skf21("2","5","3","6","5","5","3","1") = "5"
    & skf21("2","5","3","6","5","5","4","1") = "5"
    & skf21("2","5","3","6","5","5","5","1") = "5"
    & skf21("2","5","3","6","5","5","6","1") = "5"
    & skf21("2","5","3","6","5","5","7","1") = "6"
    & skf21("2","5","3","6","5","6","1","1") = "5"
    & skf21("2","5","3","6","5","6","2","1") = "5"
    & skf21("2","5","3","6","5","6","3","1") = "5"
    & skf21("2","5","3","6","5","6","4","1") = "5"
    & skf21("2","5","3","6","5","6","5","1") = "5"
    & skf21("2","5","3","6","5","6","6","1") = "5"
    & skf21("2","5","3","6","5","6","7","1") = "6"
    & skf21("2","5","3","6","5","7","1","1") = "6"
    & skf21("2","5","3","6","5","7","2","1") = "6"
    & skf21("2","5","3","6","5","7","3","1") = "6"
    & skf21("2","5","3","6","5","7","4","1") = "6"
    & skf21("2","5","3","6","5","7","5","1") = "6"
    & skf21("2","5","3","6","5","7","6","1") = "6"
    & skf21("2","5","3","6","5","7","7","1") = "6"
    & skf21("2","5","3","6","6","1","1","1") = "5"
    & skf21("2","5","3","6","6","1","2","1") = "5"
    & skf21("2","5","3","6","6","1","3","1") = "5"
    & skf21("2","5","3","6","6","1","4","1") = "5"
    & skf21("2","5","3","6","6","1","5","1") = "5"
    & skf21("2","5","3","6","6","1","6","1") = "5"
    & skf21("2","5","3","6","6","1","7","1") = "6"
    & skf21("2","5","3","6","6","2","1","1") = "5"
    & skf21("2","5","3","6","6","2","2","1") = "5"
    & skf21("2","5","3","6","6","2","3","1") = "5"
    & skf21("2","5","3","6","6","2","4","1") = "5"
    & skf21("2","5","3","6","6","2","5","1") = "5"
    & skf21("2","5","3","6","6","2","6","1") = "5"
    & skf21("2","5","3","6","6","2","7","1") = "6"
    & skf21("2","5","3","6","6","3","1","1") = "5"
    & skf21("2","5","3","6","6","3","2","1") = "5"
    & skf21("2","5","3","6","6","3","3","1") = "5"
    & skf21("2","5","3","6","6","3","4","1") = "5"
    & skf21("2","5","3","6","6","3","5","1") = "5"
    & skf21("2","5","3","6","6","3","6","1") = "5"
    & skf21("2","5","3","6","6","3","7","1") = "6"
    & skf21("2","5","3","6","6","4","1","1") = "5"
    & skf21("2","5","3","6","6","4","2","1") = "5"
    & skf21("2","5","3","6","6","4","3","1") = "5"
    & skf21("2","5","3","6","6","4","4","1") = "5"
    & skf21("2","5","3","6","6","4","5","1") = "5"
    & skf21("2","5","3","6","6","4","6","1") = "5"
    & skf21("2","5","3","6","6","4","7","1") = "6"
    & skf21("2","5","3","6","6","5","1","1") = "5"
    & skf21("2","5","3","6","6","5","2","1") = "5"
    & skf21("2","5","3","6","6","5","3","1") = "5"
    & skf21("2","5","3","6","6","5","4","1") = "5"
    & skf21("2","5","3","6","6","5","5","1") = "5"
    & skf21("2","5","3","6","6","5","6","1") = "5"
    & skf21("2","5","3","6","6","5","7","1") = "6"
    & skf21("2","5","3","6","6","6","1","1") = "5"
    & skf21("2","5","3","6","6","6","2","1") = "5"
    & skf21("2","5","3","6","6","6","3","1") = "5"
    & skf21("2","5","3","6","6","6","4","1") = "5"
    & skf21("2","5","3","6","6","6","5","1") = "5"
    & skf21("2","5","3","6","6","6","6","1") = "5"
    & skf21("2","5","3","6","6","6","7","1") = "6"
    & skf21("2","5","3","6","6","7","1","1") = "6"
    & skf21("2","5","3","6","6","7","2","1") = "6"
    & skf21("2","5","3","6","6","7","3","1") = "6"
    & skf21("2","5","3","6","6","7","4","1") = "6"
    & skf21("2","5","3","6","6","7","5","1") = "6"
    & skf21("2","5","3","6","6","7","6","1") = "6"
    & skf21("2","5","3","6","6","7","7","1") = "6"
    & skf21("2","5","3","6","7","1","1","1") = "6"
    & skf21("2","5","3","6","7","1","2","1") = "6"
    & skf21("2","5","3","6","7","1","3","1") = "6"
    & skf21("2","5","3","6","7","1","4","1") = "6"
    & skf21("2","5","3","6","7","1","5","1") = "6"
    & skf21("2","5","3","6","7","1","6","1") = "6"
    & skf21("2","5","3","6","7","1","7","1") = "6"
    & skf21("2","5","3","6","7","2","1","1") = "6"
    & skf21("2","5","3","6","7","2","2","1") = "6"
    & skf21("2","5","3","6","7","2","3","1") = "6"
    & skf21("2","5","3","6","7","2","4","1") = "6"
    & skf21("2","5","3","6","7","2","5","1") = "6"
    & skf21("2","5","3","6","7","2","6","1") = "6"
    & skf21("2","5","3","6","7","2","7","1") = "6"
    & skf21("2","5","3","6","7","3","1","1") = "6"
    & skf21("2","5","3","6","7","3","2","1") = "6"
    & skf21("2","5","3","6","7","3","3","1") = "6"
    & skf21("2","5","3","6","7","3","4","1") = "6"
    & skf21("2","5","3","6","7","3","5","1") = "6"
    & skf21("2","5","3","6","7","3","6","1") = "6"
    & skf21("2","5","3","6","7","3","7","1") = "6"
    & skf21("2","5","3","6","7","4","1","1") = "6"
    & skf21("2","5","3","6","7","4","2","1") = "6"
    & skf21("2","5","3","6","7","4","3","1") = "6"
    & skf21("2","5","3","6","7","4","4","1") = "6"
    & skf21("2","5","3","6","7","4","5","1") = "6"
    & skf21("2","5","3","6","7","4","6","1") = "6"
    & skf21("2","5","3","6","7","4","7","1") = "6"
    & skf21("2","5","3","6","7","5","1","1") = "6"
    & skf21("2","5","3","6","7","5","2","1") = "6"
    & skf21("2","5","3","6","7","5","3","1") = "6"
    & skf21("2","5","3","6","7","5","4","1") = "6"
    & skf21("2","5","3","6","7","5","5","1") = "6"
    & skf21("2","5","3","6","7","5","6","1") = "6"
    & skf21("2","5","3","6","7","5","7","1") = "6"
    & skf21("2","5","3","6","7","6","1","1") = "6"
    & skf21("2","5","3","6","7","6","2","1") = "6"
    & skf21("2","5","3","6","7","6","3","1") = "6"
    & skf21("2","5","3","6","7","6","4","1") = "6"
    & skf21("2","5","3","6","7","6","5","1") = "6"
    & skf21("2","5","3","6","7","6","6","1") = "6"
    & skf21("2","5","3","6","7","6","7","1") = "6"
    & skf21("2","5","3","6","7","7","1","1") = "6"
    & skf21("2","5","3","6","7","7","2","1") = "6"
    & skf21("2","5","3","6","7","7","3","1") = "6"
    & skf21("2","5","3","6","7","7","4","1") = "6"
    & skf21("2","5","3","6","7","7","5","1") = "6"
    & skf21("2","5","3","6","7","7","6","1") = "6"
    & skf21("2","5","3","6","7","7","7","1") = "6"
    & skf21("2","5","3","7","1","1","1","1") = "6"
    & skf21("2","5","3","7","1","1","2","1") = "6"
    & skf21("2","5","3","7","1","1","3","1") = "6"
    & skf21("2","5","3","7","1","1","4","1") = "6"
    & skf21("2","5","3","7","1","1","5","1") = "6"
    & skf21("2","5","3","7","1","1","6","1") = "6"
    & skf21("2","5","3","7","1","1","7","1") = "6"
    & skf21("2","5","3","7","1","2","1","1") = "6"
    & skf21("2","5","3","7","1","2","2","1") = "6"
    & skf21("2","5","3","7","1","2","3","1") = "6"
    & skf21("2","5","3","7","1","2","4","1") = "6"
    & skf21("2","5","3","7","1","2","5","1") = "6"
    & skf21("2","5","3","7","1","2","6","1") = "6"
    & skf21("2","5","3","7","1","2","7","1") = "6"
    & skf21("2","5","3","7","1","3","1","1") = "6"
    & skf21("2","5","3","7","1","3","2","1") = "6"
    & skf21("2","5","3","7","1","3","3","1") = "6"
    & skf21("2","5","3","7","1","3","4","1") = "6"
    & skf21("2","5","3","7","1","3","5","1") = "6"
    & skf21("2","5","3","7","1","3","6","1") = "6"
    & skf21("2","5","3","7","1","3","7","1") = "6"
    & skf21("2","5","3","7","1","4","1","1") = "6"
    & skf21("2","5","3","7","1","4","2","1") = "6"
    & skf21("2","5","3","7","1","4","3","1") = "6"
    & skf21("2","5","3","7","1","4","4","1") = "6"
    & skf21("2","5","3","7","1","4","5","1") = "6"
    & skf21("2","5","3","7","1","4","6","1") = "6"
    & skf21("2","5","3","7","1","4","7","1") = "6"
    & skf21("2","5","3","7","1","5","1","1") = "6"
    & skf21("2","5","3","7","1","5","2","1") = "6"
    & skf21("2","5","3","7","1","5","3","1") = "6"
    & skf21("2","5","3","7","1","5","4","1") = "6"
    & skf21("2","5","3","7","1","5","5","1") = "6"
    & skf21("2","5","3","7","1","5","6","1") = "6"
    & skf21("2","5","3","7","1","5","7","1") = "6"
    & skf21("2","5","3","7","1","6","1","1") = "6"
    & skf21("2","5","3","7","1","6","2","1") = "6"
    & skf21("2","5","3","7","1","6","3","1") = "6"
    & skf21("2","5","3","7","1","6","4","1") = "6"
    & skf21("2","5","3","7","1","6","5","1") = "6"
    & skf21("2","5","3","7","1","6","6","1") = "6"
    & skf21("2","5","3","7","1","6","7","1") = "6"
    & skf21("2","5","3","7","1","7","1","1") = "6"
    & skf21("2","5","3","7","1","7","2","1") = "6"
    & skf21("2","5","3","7","1","7","3","1") = "6"
    & skf21("2","5","3","7","1","7","4","1") = "6"
    & skf21("2","5","3","7","1","7","5","1") = "6"
    & skf21("2","5","3","7","1","7","6","1") = "6"
    & skf21("2","5","3","7","1","7","7","1") = "6"
    & skf21("2","5","3","7","2","1","1","1") = "6"
    & skf21("2","5","3","7","2","1","2","1") = "6"
    & skf21("2","5","3","7","2","1","3","1") = "6"
    & skf21("2","5","3","7","2","1","4","1") = "6"
    & skf21("2","5","3","7","2","1","5","1") = "6"
    & skf21("2","5","3","7","2","1","6","1") = "6"
    & skf21("2","5","3","7","2","1","7","1") = "6"
    & skf21("2","5","3","7","2","2","1","1") = "6"
    & skf21("2","5","3","7","2","2","2","1") = "6"
    & skf21("2","5","3","7","2","2","3","1") = "6"
    & skf21("2","5","3","7","2","2","4","1") = "6"
    & skf21("2","5","3","7","2","2","5","1") = "6"
    & skf21("2","5","3","7","2","2","6","1") = "6"
    & skf21("2","5","3","7","2","2","7","1") = "6"
    & skf21("2","5","3","7","2","3","1","1") = "6"
    & skf21("2","5","3","7","2","3","2","1") = "6"
    & skf21("2","5","3","7","2","3","3","1") = "6"
    & skf21("2","5","3","7","2","3","4","1") = "6"
    & skf21("2","5","3","7","2","3","5","1") = "6"
    & skf21("2","5","3","7","2","3","6","1") = "6"
    & skf21("2","5","3","7","2","3","7","1") = "6"
    & skf21("2","5","3","7","2","4","1","1") = "6"
    & skf21("2","5","3","7","2","4","2","1") = "6"
    & skf21("2","5","3","7","2","4","3","1") = "6"
    & skf21("2","5","3","7","2","4","4","1") = "6"
    & skf21("2","5","3","7","2","4","5","1") = "6"
    & skf21("2","5","3","7","2","4","6","1") = "6"
    & skf21("2","5","3","7","2","4","7","1") = "6"
    & skf21("2","5","3","7","2","5","1","1") = "6"
    & skf21("2","5","3","7","2","5","2","1") = "6"
    & skf21("2","5","3","7","2","5","3","1") = "6"
    & skf21("2","5","3","7","2","5","4","1") = "6"
    & skf21("2","5","3","7","2","5","5","1") = "6"
    & skf21("2","5","3","7","2","5","6","1") = "6"
    & skf21("2","5","3","7","2","5","7","1") = "6"
    & skf21("2","5","3","7","2","6","1","1") = "6"
    & skf21("2","5","3","7","2","6","2","1") = "6"
    & skf21("2","5","3","7","2","6","3","1") = "6"
    & skf21("2","5","3","7","2","6","4","1") = "6"
    & skf21("2","5","3","7","2","6","5","1") = "6"
    & skf21("2","5","3","7","2","6","6","1") = "6"
    & skf21("2","5","3","7","2","6","7","1") = "6"
    & skf21("2","5","3","7","2","7","1","1") = "6"
    & skf21("2","5","3","7","2","7","2","1") = "6"
    & skf21("2","5","3","7","2","7","3","1") = "6"
    & skf21("2","5","3","7","2","7","4","1") = "6"
    & skf21("2","5","3","7","2","7","5","1") = "6"
    & skf21("2","5","3","7","2","7","6","1") = "6"
    & skf21("2","5","3","7","2","7","7","1") = "6"
    & skf21("2","5","3","7","3","1","1","1") = "6"
    & skf21("2","5","3","7","3","1","2","1") = "6"
    & skf21("2","5","3","7","3","1","3","1") = "6"
    & skf21("2","5","3","7","3","1","4","1") = "6"
    & skf21("2","5","3","7","3","1","5","1") = "6"
    & skf21("2","5","3","7","3","1","6","1") = "6"
    & skf21("2","5","3","7","3","1","7","1") = "6"
    & skf21("2","5","3","7","3","2","1","1") = "6"
    & skf21("2","5","3","7","3","2","2","1") = "6"
    & skf21("2","5","3","7","3","2","3","1") = "6"
    & skf21("2","5","3","7","3","2","4","1") = "6"
    & skf21("2","5","3","7","3","2","5","1") = "6"
    & skf21("2","5","3","7","3","2","6","1") = "6"
    & skf21("2","5","3","7","3","2","7","1") = "6"
    & skf21("2","5","3","7","3","3","1","1") = "6"
    & skf21("2","5","3","7","3","3","2","1") = "6"
    & skf21("2","5","3","7","3","3","3","1") = "6"
    & skf21("2","5","3","7","3","3","4","1") = "6"
    & skf21("2","5","3","7","3","3","5","1") = "6"
    & skf21("2","5","3","7","3","3","6","1") = "6"
    & skf21("2","5","3","7","3","3","7","1") = "6"
    & skf21("2","5","3","7","3","4","1","1") = "6"
    & skf21("2","5","3","7","3","4","2","1") = "6"
    & skf21("2","5","3","7","3","4","3","1") = "6"
    & skf21("2","5","3","7","3","4","4","1") = "6"
    & skf21("2","5","3","7","3","4","5","1") = "6"
    & skf21("2","5","3","7","3","4","6","1") = "6"
    & skf21("2","5","3","7","3","4","7","1") = "6"
    & skf21("2","5","3","7","3","5","1","1") = "6"
    & skf21("2","5","3","7","3","5","2","1") = "6"
    & skf21("2","5","3","7","3","5","3","1") = "6"
    & skf21("2","5","3","7","3","5","4","1") = "6"
    & skf21("2","5","3","7","3","5","5","1") = "6"
    & skf21("2","5","3","7","3","5","6","1") = "6"
    & skf21("2","5","3","7","3","5","7","1") = "6"
    & skf21("2","5","3","7","3","6","1","1") = "6"
    & skf21("2","5","3","7","3","6","2","1") = "6"
    & skf21("2","5","3","7","3","6","3","1") = "6"
    & skf21("2","5","3","7","3","6","4","1") = "6"
    & skf21("2","5","3","7","3","6","5","1") = "6"
    & skf21("2","5","3","7","3","6","6","1") = "6"
    & skf21("2","5","3","7","3","6","7","1") = "6"
    & skf21("2","5","3","7","3","7","1","1") = "6"
    & skf21("2","5","3","7","3","7","2","1") = "6"
    & skf21("2","5","3","7","3","7","3","1") = "6"
    & skf21("2","5","3","7","3","7","4","1") = "6"
    & skf21("2","5","3","7","3","7","5","1") = "6"
    & skf21("2","5","3","7","3","7","6","1") = "6"
    & skf21("2","5","3","7","3","7","7","1") = "6"
    & skf21("2","5","3","7","4","1","1","1") = "6"
    & skf21("2","5","3","7","4","1","2","1") = "6"
    & skf21("2","5","3","7","4","1","3","1") = "6"
    & skf21("2","5","3","7","4","1","4","1") = "6"
    & skf21("2","5","3","7","4","1","5","1") = "6"
    & skf21("2","5","3","7","4","1","6","1") = "6"
    & skf21("2","5","3","7","4","1","7","1") = "6"
    & skf21("2","5","3","7","4","2","1","1") = "6"
    & skf21("2","5","3","7","4","2","2","1") = "6"
    & skf21("2","5","3","7","4","2","3","1") = "6"
    & skf21("2","5","3","7","4","2","4","1") = "6"
    & skf21("2","5","3","7","4","2","5","1") = "6"
    & skf21("2","5","3","7","4","2","6","1") = "6"
    & skf21("2","5","3","7","4","2","7","1") = "6"
    & skf21("2","5","3","7","4","3","1","1") = "6"
    & skf21("2","5","3","7","4","3","2","1") = "6"
    & skf21("2","5","3","7","4","3","3","1") = "6"
    & skf21("2","5","3","7","4","3","4","1") = "6"
    & skf21("2","5","3","7","4","3","5","1") = "6"
    & skf21("2","5","3","7","4","3","6","1") = "6"
    & skf21("2","5","3","7","4","3","7","1") = "6"
    & skf21("2","5","3","7","4","4","1","1") = "6"
    & skf21("2","5","3","7","4","4","2","1") = "6"
    & skf21("2","5","3","7","4","4","3","1") = "6"
    & skf21("2","5","3","7","4","4","4","1") = "6"
    & skf21("2","5","3","7","4","4","5","1") = "6"
    & skf21("2","5","3","7","4","4","6","1") = "6"
    & skf21("2","5","3","7","4","4","7","1") = "6"
    & skf21("2","5","3","7","4","5","1","1") = "6"
    & skf21("2","5","3","7","4","5","2","1") = "6"
    & skf21("2","5","3","7","4","5","3","1") = "6"
    & skf21("2","5","3","7","4","5","4","1") = "6"
    & skf21("2","5","3","7","4","5","5","1") = "6"
    & skf21("2","5","3","7","4","5","6","1") = "6"
    & skf21("2","5","3","7","4","5","7","1") = "6"
    & skf21("2","5","3","7","4","6","1","1") = "6"
    & skf21("2","5","3","7","4","6","2","1") = "6"
    & skf21("2","5","3","7","4","6","3","1") = "6"
    & skf21("2","5","3","7","4","6","4","1") = "6"
    & skf21("2","5","3","7","4","6","5","1") = "6"
    & skf21("2","5","3","7","4","6","6","1") = "6"
    & skf21("2","5","3","7","4","6","7","1") = "6"
    & skf21("2","5","3","7","4","7","1","1") = "6"
    & skf21("2","5","3","7","4","7","2","1") = "6"
    & skf21("2","5","3","7","4","7","3","1") = "6"
    & skf21("2","5","3","7","4","7","4","1") = "6"
    & skf21("2","5","3","7","4","7","5","1") = "6"
    & skf21("2","5","3","7","4","7","6","1") = "6"
    & skf21("2","5","3","7","4","7","7","1") = "6"
    & skf21("2","5","3","7","5","1","1","1") = "6"
    & skf21("2","5","3","7","5","1","2","1") = "6"
    & skf21("2","5","3","7","5","1","3","1") = "6"
    & skf21("2","5","3","7","5","1","4","1") = "6"
    & skf21("2","5","3","7","5","1","5","1") = "6"
    & skf21("2","5","3","7","5","1","6","1") = "6"
    & skf21("2","5","3","7","5","1","7","1") = "6"
    & skf21("2","5","3","7","5","2","1","1") = "6"
    & skf21("2","5","3","7","5","2","2","1") = "6"
    & skf21("2","5","3","7","5","2","3","1") = "6"
    & skf21("2","5","3","7","5","2","4","1") = "6"
    & skf21("2","5","3","7","5","2","5","1") = "6"
    & skf21("2","5","3","7","5","2","6","1") = "6"
    & skf21("2","5","3","7","5","2","7","1") = "6"
    & skf21("2","5","3","7","5","3","1","1") = "6"
    & skf21("2","5","3","7","5","3","2","1") = "6"
    & skf21("2","5","3","7","5","3","3","1") = "6"
    & skf21("2","5","3","7","5","3","4","1") = "6"
    & skf21("2","5","3","7","5","3","5","1") = "6"
    & skf21("2","5","3","7","5","3","6","1") = "6"
    & skf21("2","5","3","7","5","3","7","1") = "6"
    & skf21("2","5","3","7","5","4","1","1") = "6"
    & skf21("2","5","3","7","5","4","2","1") = "6"
    & skf21("2","5","3","7","5","4","3","1") = "6"
    & skf21("2","5","3","7","5","4","4","1") = "6"
    & skf21("2","5","3","7","5","4","5","1") = "6"
    & skf21("2","5","3","7","5","4","6","1") = "6"
    & skf21("2","5","3","7","5","4","7","1") = "6"
    & skf21("2","5","3","7","5","5","1","1") = "6"
    & skf21("2","5","3","7","5","5","2","1") = "6"
    & skf21("2","5","3","7","5","5","3","1") = "6"
    & skf21("2","5","3","7","5","5","4","1") = "6"
    & skf21("2","5","3","7","5","5","5","1") = "6"
    & skf21("2","5","3","7","5","5","6","1") = "6"
    & skf21("2","5","3","7","5","5","7","1") = "6"
    & skf21("2","5","3","7","5","6","1","1") = "6"
    & skf21("2","5","3","7","5","6","2","1") = "6"
    & skf21("2","5","3","7","5","6","3","1") = "6"
    & skf21("2","5","3","7","5","6","4","1") = "6"
    & skf21("2","5","3","7","5","6","5","1") = "6"
    & skf21("2","5","3","7","5","6","6","1") = "6"
    & skf21("2","5","3","7","5","6","7","1") = "6"
    & skf21("2","5","3","7","5","7","1","1") = "6"
    & skf21("2","5","3","7","5","7","2","1") = "6"
    & skf21("2","5","3","7","5","7","3","1") = "6"
    & skf21("2","5","3","7","5","7","4","1") = "6"
    & skf21("2","5","3","7","5","7","5","1") = "6"
    & skf21("2","5","3","7","5","7","6","1") = "6"
    & skf21("2","5","3","7","5","7","7","1") = "6"
    & skf21("2","5","3","7","6","1","1","1") = "6"
    & skf21("2","5","3","7","6","1","2","1") = "6"
    & skf21("2","5","3","7","6","1","3","1") = "6"
    & skf21("2","5","3","7","6","1","4","1") = "6"
    & skf21("2","5","3","7","6","1","5","1") = "6"
    & skf21("2","5","3","7","6","1","6","1") = "6"
    & skf21("2","5","3","7","6","1","7","1") = "6"
    & skf21("2","5","3","7","6","2","1","1") = "6"
    & skf21("2","5","3","7","6","2","2","1") = "6"
    & skf21("2","5","3","7","6","2","3","1") = "6"
    & skf21("2","5","3","7","6","2","4","1") = "6"
    & skf21("2","5","3","7","6","2","5","1") = "6"
    & skf21("2","5","3","7","6","2","6","1") = "6"
    & skf21("2","5","3","7","6","2","7","1") = "6"
    & skf21("2","5","3","7","6","3","1","1") = "6"
    & skf21("2","5","3","7","6","3","2","1") = "6"
    & skf21("2","5","3","7","6","3","3","1") = "6"
    & skf21("2","5","3","7","6","3","4","1") = "6"
    & skf21("2","5","3","7","6","3","5","1") = "6"
    & skf21("2","5","3","7","6","3","6","1") = "6"
    & skf21("2","5","3","7","6","3","7","1") = "6"
    & skf21("2","5","3","7","6","4","1","1") = "6"
    & skf21("2","5","3","7","6","4","2","1") = "6"
    & skf21("2","5","3","7","6","4","3","1") = "6"
    & skf21("2","5","3","7","6","4","4","1") = "6"
    & skf21("2","5","3","7","6","4","5","1") = "6"
    & skf21("2","5","3","7","6","4","6","1") = "6"
    & skf21("2","5","3","7","6","4","7","1") = "6"
    & skf21("2","5","3","7","6","5","1","1") = "6"
    & skf21("2","5","3","7","6","5","2","1") = "6"
    & skf21("2","5","3","7","6","5","3","1") = "6"
    & skf21("2","5","3","7","6","5","4","1") = "6"
    & skf21("2","5","3","7","6","5","5","1") = "6"
    & skf21("2","5","3","7","6","5","6","1") = "6"
    & skf21("2","5","3","7","6","5","7","1") = "6"
    & skf21("2","5","3","7","6","6","1","1") = "6"
    & skf21("2","5","3","7","6","6","2","1") = "6"
    & skf21("2","5","3","7","6","6","3","1") = "6"
    & skf21("2","5","3","7","6","6","4","1") = "6"
    & skf21("2","5","3","7","6","6","5","1") = "6"
    & skf21("2","5","3","7","6","6","6","1") = "6"
    & skf21("2","5","3","7","6","6","7","1") = "6"
    & skf21("2","5","3","7","6","7","1","1") = "6"
    & skf21("2","5","3","7","6","7","2","1") = "6"
    & skf21("2","5","3","7","6","7","3","1") = "6"
    & skf21("2","5","3","7","6","7","4","1") = "6"
    & skf21("2","5","3","7","6","7","5","1") = "6"
    & skf21("2","5","3","7","6","7","6","1") = "6"
    & skf21("2","5","3","7","6","7","7","1") = "6"
    & skf21("2","5","3","7","7","1","1","1") = "6"
    & skf21("2","5","3","7","7","1","2","1") = "6"
    & skf21("2","5","3","7","7","1","3","1") = "6"
    & skf21("2","5","3","7","7","1","4","1") = "6"
    & skf21("2","5","3","7","7","1","5","1") = "6"
    & skf21("2","5","3","7","7","1","6","1") = "6"
    & skf21("2","5","3","7","7","1","7","1") = "6"
    & skf21("2","5","3","7","7","2","1","1") = "6"
    & skf21("2","5","3","7","7","2","2","1") = "6"
    & skf21("2","5","3","7","7","2","3","1") = "6"
    & skf21("2","5","3","7","7","2","4","1") = "6"
    & skf21("2","5","3","7","7","2","5","1") = "6"
    & skf21("2","5","3","7","7","2","6","1") = "6"
    & skf21("2","5","3","7","7","2","7","1") = "6"
    & skf21("2","5","3","7","7","3","1","1") = "6"
    & skf21("2","5","3","7","7","3","2","1") = "6"
    & skf21("2","5","3","7","7","3","3","1") = "6"
    & skf21("2","5","3","7","7","3","4","1") = "6"
    & skf21("2","5","3","7","7","3","5","1") = "6"
    & skf21("2","5","3","7","7","3","6","1") = "6"
    & skf21("2","5","3","7","7","3","7","1") = "6"
    & skf21("2","5","3","7","7","4","1","1") = "6"
    & skf21("2","5","3","7","7","4","2","1") = "6"
    & skf21("2","5","3","7","7","4","3","1") = "6"
    & skf21("2","5","3","7","7","4","4","1") = "6"
    & skf21("2","5","3","7","7","4","5","1") = "6"
    & skf21("2","5","3","7","7","4","6","1") = "6"
    & skf21("2","5","3","7","7","4","7","1") = "6"
    & skf21("2","5","3","7","7","5","1","1") = "6"
    & skf21("2","5","3","7","7","5","2","1") = "6"
    & skf21("2","5","3","7","7","5","3","1") = "6"
    & skf21("2","5","3","7","7","5","4","1") = "6"
    & skf21("2","5","3","7","7","5","5","1") = "6"
    & skf21("2","5","3","7","7","5","6","1") = "6"
    & skf21("2","5","3","7","7","5","7","1") = "6"
    & skf21("2","5","3","7","7","6","1","1") = "6"
    & skf21("2","5","3","7","7","6","2","1") = "6"
    & skf21("2","5","3","7","7","6","3","1") = "6"
    & skf21("2","5","3","7","7","6","4","1") = "6"
    & skf21("2","5","3","7","7","6","5","1") = "6"
    & skf21("2","5","3","7","7","6","6","1") = "6"
    & skf21("2","5","3","7","7","6","7","1") = "6"
    & skf21("2","5","3","7","7","7","1","1") = "6"
    & skf21("2","5","3","7","7","7","2","1") = "6"
    & skf21("2","5","3","7","7","7","3","1") = "6"
    & skf21("2","5","3","7","7","7","4","1") = "6"
    & skf21("2","5","3","7","7","7","5","1") = "6"
    & skf21("2","5","3","7","7","7","6","1") = "6"
    & skf21("2","5","3","7","7","7","7","1") = "6"
    & skf21("2","5","4","1","1","1","1","1") = "4"
    & skf21("2","5","4","1","1","1","2","1") = "4"
    & skf21("2","5","4","1","1","1","3","1") = "4"
    & skf21("2","5","4","1","1","1","4","1") = "4"
    & skf21("2","5","4","1","1","1","5","1") = "4"
    & skf21("2","5","4","1","1","1","6","1") = "5"
    & skf21("2","5","4","1","1","1","7","1") = "6"
    & skf21("2","5","4","1","1","2","1","1") = "4"
    & skf21("2","5","4","1","1","2","2","1") = "4"
    & skf21("2","5","4","1","1","2","3","1") = "4"
    & skf21("2","5","4","1","1","2","4","1") = "4"
    & skf21("2","5","4","1","1","2","5","1") = "4"
    & skf21("2","5","4","1","1","2","6","1") = "5"
    & skf21("2","5","4","1","1","2","7","1") = "6"
    & skf21("2","5","4","1","1","3","1","1") = "4"
    & skf21("2","5","4","1","1","3","2","1") = "4"
    & skf21("2","5","4","1","1","3","3","1") = "4"
    & skf21("2","5","4","1","1","3","4","1") = "4"
    & skf21("2","5","4","1","1","3","5","1") = "4"
    & skf21("2","5","4","1","1","3","6","1") = "5"
    & skf21("2","5","4","1","1","3","7","1") = "6"
    & skf21("2","5","4","1","1","4","1","1") = "4"
    & skf21("2","5","4","1","1","4","2","1") = "4"
    & skf21("2","5","4","1","1","4","3","1") = "4"
    & skf21("2","5","4","1","1","4","4","1") = "4"
    & skf21("2","5","4","1","1","4","5","1") = "4"
    & skf21("2","5","4","1","1","4","6","1") = "5"
    & skf21("2","5","4","1","1","4","7","1") = "6"
    & skf21("2","5","4","1","1","5","1","1") = "4"
    & skf21("2","5","4","1","1","5","2","1") = "4"
    & skf21("2","5","4","1","1","5","3","1") = "4"
    & skf21("2","5","4","1","1","5","4","1") = "4"
    & skf21("2","5","4","1","1","5","5","1") = "4"
    & skf21("2","5","4","1","1","5","6","1") = "5"
    & skf21("2","5","4","1","1","5","7","1") = "6"
    & skf21("2","5","4","1","1","6","1","1") = "5"
    & skf21("2","5","4","1","1","6","2","1") = "5"
    & skf21("2","5","4","1","1","6","3","1") = "5"
    & skf21("2","5","4","1","1","6","4","1") = "5"
    & skf21("2","5","4","1","1","6","5","1") = "5"
    & skf21("2","5","4","1","1","6","6","1") = "5"
    & skf21("2","5","4","1","1","6","7","1") = "6"
    & skf21("2","5","4","1","1","7","1","1") = "6"
    & skf21("2","5","4","1","1","7","2","1") = "6"
    & skf21("2","5","4","1","1","7","3","1") = "6"
    & skf21("2","5","4","1","1","7","4","1") = "6"
    & skf21("2","5","4","1","1","7","5","1") = "6"
    & skf21("2","5","4","1","1","7","6","1") = "6"
    & skf21("2","5","4","1","1","7","7","1") = "6"
    & skf21("2","5","4","1","2","1","1","1") = "4"
    & skf21("2","5","4","1","2","1","2","1") = "4"
    & skf21("2","5","4","1","2","1","3","1") = "4"
    & skf21("2","5","4","1","2","1","4","1") = "4"
    & skf21("2","5","4","1","2","1","5","1") = "4"
    & skf21("2","5","4","1","2","1","6","1") = "5"
    & skf21("2","5","4","1","2","1","7","1") = "6"
    & skf21("2","5","4","1","2","2","1","1") = "4"
    & skf21("2","5","4","1","2","2","2","1") = "4"
    & skf21("2","5","4","1","2","2","3","1") = "4"
    & skf21("2","5","4","1","2","2","4","1") = "4"
    & skf21("2","5","4","1","2","2","5","1") = "4"
    & skf21("2","5","4","1","2","2","6","1") = "5"
    & skf21("2","5","4","1","2","2","7","1") = "6"
    & skf21("2","5","4","1","2","3","1","1") = "4"
    & skf21("2","5","4","1","2","3","2","1") = "4"
    & skf21("2","5","4","1","2","3","3","1") = "4"
    & skf21("2","5","4","1","2","3","4","1") = "4"
    & skf21("2","5","4","1","2","3","5","1") = "4"
    & skf21("2","5","4","1","2","3","6","1") = "5"
    & skf21("2","5","4","1","2","3","7","1") = "6"
    & skf21("2","5","4","1","2","4","1","1") = "4"
    & skf21("2","5","4","1","2","4","2","1") = "4"
    & skf21("2","5","4","1","2","4","3","1") = "4"
    & skf21("2","5","4","1","2","4","4","1") = "4"
    & skf21("2","5","4","1","2","4","5","1") = "4"
    & skf21("2","5","4","1","2","4","6","1") = "5"
    & skf21("2","5","4","1","2","4","7","1") = "6"
    & skf21("2","5","4","1","2","5","1","1") = "4"
    & skf21("2","5","4","1","2","5","2","1") = "4"
    & skf21("2","5","4","1","2","5","3","1") = "4"
    & skf21("2","5","4","1","2","5","4","1") = "4"
    & skf21("2","5","4","1","2","5","5","1") = "4"
    & skf21("2","5","4","1","2","5","6","1") = "5"
    & skf21("2","5","4","1","2","5","7","1") = "6"
    & skf21("2","5","4","1","2","6","1","1") = "5"
    & skf21("2","5","4","1","2","6","2","1") = "5"
    & skf21("2","5","4","1","2","6","3","1") = "5"
    & skf21("2","5","4","1","2","6","4","1") = "5"
    & skf21("2","5","4","1","2","6","5","1") = "5"
    & skf21("2","5","4","1","2","6","6","1") = "5"
    & skf21("2","5","4","1","2","6","7","1") = "6"
    & skf21("2","5","4","1","2","7","1","1") = "6"
    & skf21("2","5","4","1","2","7","2","1") = "6"
    & skf21("2","5","4","1","2","7","3","1") = "6"
    & skf21("2","5","4","1","2","7","4","1") = "6"
    & skf21("2","5","4","1","2","7","5","1") = "6"
    & skf21("2","5","4","1","2","7","6","1") = "6"
    & skf21("2","5","4","1","2","7","7","1") = "6"
    & skf21("2","5","4","1","3","1","1","1") = "4"
    & skf21("2","5","4","1","3","1","2","1") = "4"
    & skf21("2","5","4","1","3","1","3","1") = "4"
    & skf21("2","5","4","1","3","1","4","1") = "4"
    & skf21("2","5","4","1","3","1","5","1") = "4"
    & skf21("2","5","4","1","3","1","6","1") = "5"
    & skf21("2","5","4","1","3","1","7","1") = "6"
    & skf21("2","5","4","1","3","2","1","1") = "4"
    & skf21("2","5","4","1","3","2","2","1") = "4"
    & skf21("2","5","4","1","3","2","3","1") = "4"
    & skf21("2","5","4","1","3","2","4","1") = "4"
    & skf21("2","5","4","1","3","2","5","1") = "4"
    & skf21("2","5","4","1","3","2","6","1") = "5"
    & skf21("2","5","4","1","3","2","7","1") = "6"
    & skf21("2","5","4","1","3","3","1","1") = "4"
    & skf21("2","5","4","1","3","3","2","1") = "4"
    & skf21("2","5","4","1","3","3","3","1") = "4"
    & skf21("2","5","4","1","3","3","4","1") = "4"
    & skf21("2","5","4","1","3","3","5","1") = "4"
    & skf21("2","5","4","1","3","3","6","1") = "5"
    & skf21("2","5","4","1","3","3","7","1") = "6"
    & skf21("2","5","4","1","3","4","1","1") = "4"
    & skf21("2","5","4","1","3","4","2","1") = "4"
    & skf21("2","5","4","1","3","4","3","1") = "4"
    & skf21("2","5","4","1","3","4","4","1") = "4"
    & skf21("2","5","4","1","3","4","5","1") = "4"
    & skf21("2","5","4","1","3","4","6","1") = "5"
    & skf21("2","5","4","1","3","4","7","1") = "6"
    & skf21("2","5","4","1","3","5","1","1") = "4"
    & skf21("2","5","4","1","3","5","2","1") = "4"
    & skf21("2","5","4","1","3","5","3","1") = "4"
    & skf21("2","5","4","1","3","5","4","1") = "4"
    & skf21("2","5","4","1","3","5","5","1") = "4"
    & skf21("2","5","4","1","3","5","6","1") = "5"
    & skf21("2","5","4","1","3","5","7","1") = "6"
    & skf21("2","5","4","1","3","6","1","1") = "5"
    & skf21("2","5","4","1","3","6","2","1") = "5"
    & skf21("2","5","4","1","3","6","3","1") = "5"
    & skf21("2","5","4","1","3","6","4","1") = "5"
    & skf21("2","5","4","1","3","6","5","1") = "5"
    & skf21("2","5","4","1","3","6","6","1") = "5"
    & skf21("2","5","4","1","3","6","7","1") = "6"
    & skf21("2","5","4","1","3","7","1","1") = "6"
    & skf21("2","5","4","1","3","7","2","1") = "6"
    & skf21("2","5","4","1","3","7","3","1") = "6"
    & skf21("2","5","4","1","3","7","4","1") = "6"
    & skf21("2","5","4","1","3","7","5","1") = "6"
    & skf21("2","5","4","1","3","7","6","1") = "6"
    & skf21("2","5","4","1","3","7","7","1") = "6"
    & skf21("2","5","4","1","4","1","1","1") = "4"
    & skf21("2","5","4","1","4","1","2","1") = "4"
    & skf21("2","5","4","1","4","1","3","1") = "4"
    & skf21("2","5","4","1","4","1","4","1") = "4"
    & skf21("2","5","4","1","4","1","5","1") = "4"
    & skf21("2","5","4","1","4","1","6","1") = "5"
    & skf21("2","5","4","1","4","1","7","1") = "6"
    & skf21("2","5","4","1","4","2","1","1") = "4"
    & skf21("2","5","4","1","4","2","2","1") = "4"
    & skf21("2","5","4","1","4","2","3","1") = "4"
    & skf21("2","5","4","1","4","2","4","1") = "4"
    & skf21("2","5","4","1","4","2","5","1") = "4"
    & skf21("2","5","4","1","4","2","6","1") = "5"
    & skf21("2","5","4","1","4","2","7","1") = "6"
    & skf21("2","5","4","1","4","3","1","1") = "4"
    & skf21("2","5","4","1","4","3","2","1") = "4"
    & skf21("2","5","4","1","4","3","3","1") = "4"
    & skf21("2","5","4","1","4","3","4","1") = "4"
    & skf21("2","5","4","1","4","3","5","1") = "4"
    & skf21("2","5","4","1","4","3","6","1") = "5"
    & skf21("2","5","4","1","4","3","7","1") = "6"
    & skf21("2","5","4","1","4","4","1","1") = "4"
    & skf21("2","5","4","1","4","4","2","1") = "4"
    & skf21("2","5","4","1","4","4","3","1") = "4"
    & skf21("2","5","4","1","4","4","4","1") = "4"
    & skf21("2","5","4","1","4","4","5","1") = "4"
    & skf21("2","5","4","1","4","4","6","1") = "5"
    & skf21("2","5","4","1","4","4","7","1") = "6"
    & skf21("2","5","4","1","4","5","1","1") = "4"
    & skf21("2","5","4","1","4","5","2","1") = "4"
    & skf21("2","5","4","1","4","5","3","1") = "4"
    & skf21("2","5","4","1","4","5","4","1") = "4"
    & skf21("2","5","4","1","4","5","5","1") = "4"
    & skf21("2","5","4","1","4","5","6","1") = "5"
    & skf21("2","5","4","1","4","5","7","1") = "6"
    & skf21("2","5","4","1","4","6","1","1") = "5"
    & skf21("2","5","4","1","4","6","2","1") = "5"
    & skf21("2","5","4","1","4","6","3","1") = "5"
    & skf21("2","5","4","1","4","6","4","1") = "5"
    & skf21("2","5","4","1","4","6","5","1") = "5"
    & skf21("2","5","4","1","4","6","6","1") = "5"
    & skf21("2","5","4","1","4","6","7","1") = "6"
    & skf21("2","5","4","1","4","7","1","1") = "6"
    & skf21("2","5","4","1","4","7","2","1") = "6"
    & skf21("2","5","4","1","4","7","3","1") = "6"
    & skf21("2","5","4","1","4","7","4","1") = "6"
    & skf21("2","5","4","1","4","7","5","1") = "6"
    & skf21("2","5","4","1","4","7","6","1") = "6"
    & skf21("2","5","4","1","4","7","7","1") = "6"
    & skf21("2","5","4","1","5","1","1","1") = "4"
    & skf21("2","5","4","1","5","1","2","1") = "4"
    & skf21("2","5","4","1","5","1","3","1") = "4"
    & skf21("2","5","4","1","5","1","4","1") = "4"
    & skf21("2","5","4","1","5","1","5","1") = "4"
    & skf21("2","5","4","1","5","1","6","1") = "5"
    & skf21("2","5","4","1","5","1","7","1") = "6"
    & skf21("2","5","4","1","5","2","1","1") = "4"
    & skf21("2","5","4","1","5","2","2","1") = "4"
    & skf21("2","5","4","1","5","2","3","1") = "4"
    & skf21("2","5","4","1","5","2","4","1") = "4"
    & skf21("2","5","4","1","5","2","5","1") = "4"
    & skf21("2","5","4","1","5","2","6","1") = "5"
    & skf21("2","5","4","1","5","2","7","1") = "6"
    & skf21("2","5","4","1","5","3","1","1") = "4"
    & skf21("2","5","4","1","5","3","2","1") = "4"
    & skf21("2","5","4","1","5","3","3","1") = "4"
    & skf21("2","5","4","1","5","3","4","1") = "4"
    & skf21("2","5","4","1","5","3","5","1") = "4"
    & skf21("2","5","4","1","5","3","6","1") = "5"
    & skf21("2","5","4","1","5","3","7","1") = "6"
    & skf21("2","5","4","1","5","4","1","1") = "4"
    & skf21("2","5","4","1","5","4","2","1") = "4"
    & skf21("2","5","4","1","5","4","3","1") = "4"
    & skf21("2","5","4","1","5","4","4","1") = "4"
    & skf21("2","5","4","1","5","4","5","1") = "4"
    & skf21("2","5","4","1","5","4","6","1") = "5"
    & skf21("2","5","4","1","5","4","7","1") = "6"
    & skf21("2","5","4","1","5","5","1","1") = "4"
    & skf21("2","5","4","1","5","5","2","1") = "4"
    & skf21("2","5","4","1","5","5","3","1") = "4"
    & skf21("2","5","4","1","5","5","4","1") = "4"
    & skf21("2","5","4","1","5","5","5","1") = "4"
    & skf21("2","5","4","1","5","5","6","1") = "5"
    & skf21("2","5","4","1","5","5","7","1") = "6"
    & skf21("2","5","4","1","5","6","1","1") = "5"
    & skf21("2","5","4","1","5","6","2","1") = "5"
    & skf21("2","5","4","1","5","6","3","1") = "5"
    & skf21("2","5","4","1","5","6","4","1") = "5"
    & skf21("2","5","4","1","5","6","5","1") = "5"
    & skf21("2","5","4","1","5","6","6","1") = "5"
    & skf21("2","5","4","1","5","6","7","1") = "6"
    & skf21("2","5","4","1","5","7","1","1") = "6"
    & skf21("2","5","4","1","5","7","2","1") = "6"
    & skf21("2","5","4","1","5","7","3","1") = "6"
    & skf21("2","5","4","1","5","7","4","1") = "6"
    & skf21("2","5","4","1","5","7","5","1") = "6"
    & skf21("2","5","4","1","5","7","6","1") = "6"
    & skf21("2","5","4","1","5","7","7","1") = "6"
    & skf21("2","5","4","1","6","1","1","1") = "5"
    & skf21("2","5","4","1","6","1","2","1") = "5"
    & skf21("2","5","4","1","6","1","3","1") = "5"
    & skf21("2","5","4","1","6","1","4","1") = "5"
    & skf21("2","5","4","1","6","1","5","1") = "5"
    & skf21("2","5","4","1","6","1","6","1") = "5"
    & skf21("2","5","4","1","6","1","7","1") = "6"
    & skf21("2","5","4","1","6","2","1","1") = "5"
    & skf21("2","5","4","1","6","2","2","1") = "5"
    & skf21("2","5","4","1","6","2","3","1") = "5"
    & skf21("2","5","4","1","6","2","4","1") = "5"
    & skf21("2","5","4","1","6","2","5","1") = "5"
    & skf21("2","5","4","1","6","2","6","1") = "5"
    & skf21("2","5","4","1","6","2","7","1") = "6"
    & skf21("2","5","4","1","6","3","1","1") = "5"
    & skf21("2","5","4","1","6","3","2","1") = "5"
    & skf21("2","5","4","1","6","3","3","1") = "5"
    & skf21("2","5","4","1","6","3","4","1") = "5"
    & skf21("2","5","4","1","6","3","5","1") = "5"
    & skf21("2","5","4","1","6","3","6","1") = "5"
    & skf21("2","5","4","1","6","3","7","1") = "6"
    & skf21("2","5","4","1","6","4","1","1") = "5"
    & skf21("2","5","4","1","6","4","2","1") = "5"
    & skf21("2","5","4","1","6","4","3","1") = "5"
    & skf21("2","5","4","1","6","4","4","1") = "5"
    & skf21("2","5","4","1","6","4","5","1") = "5"
    & skf21("2","5","4","1","6","4","6","1") = "5"
    & skf21("2","5","4","1","6","4","7","1") = "6"
    & skf21("2","5","4","1","6","5","1","1") = "5"
    & skf21("2","5","4","1","6","5","2","1") = "5"
    & skf21("2","5","4","1","6","5","3","1") = "5"
    & skf21("2","5","4","1","6","5","4","1") = "5"
    & skf21("2","5","4","1","6","5","5","1") = "5"
    & skf21("2","5","4","1","6","5","6","1") = "5"
    & skf21("2","5","4","1","6","5","7","1") = "6"
    & skf21("2","5","4","1","6","6","1","1") = "5"
    & skf21("2","5","4","1","6","6","2","1") = "5"
    & skf21("2","5","4","1","6","6","3","1") = "5"
    & skf21("2","5","4","1","6","6","4","1") = "5"
    & skf21("2","5","4","1","6","6","5","1") = "5"
    & skf21("2","5","4","1","6","6","6","1") = "5"
    & skf21("2","5","4","1","6","6","7","1") = "6"
    & skf21("2","5","4","1","6","7","1","1") = "6"
    & skf21("2","5","4","1","6","7","2","1") = "6"
    & skf21("2","5","4","1","6","7","3","1") = "6"
    & skf21("2","5","4","1","6","7","4","1") = "6"
    & skf21("2","5","4","1","6","7","5","1") = "6"
    & skf21("2","5","4","1","6","7","6","1") = "6"
    & skf21("2","5","4","1","6","7","7","1") = "6"
    & skf21("2","5","4","1","7","1","1","1") = "6"
    & skf21("2","5","4","1","7","1","2","1") = "6"
    & skf21("2","5","4","1","7","1","3","1") = "6"
    & skf21("2","5","4","1","7","1","4","1") = "6"
    & skf21("2","5","4","1","7","1","5","1") = "6"
    & skf21("2","5","4","1","7","1","6","1") = "6"
    & skf21("2","5","4","1","7","1","7","1") = "6"
    & skf21("2","5","4","1","7","2","1","1") = "6"
    & skf21("2","5","4","1","7","2","2","1") = "6"
    & skf21("2","5","4","1","7","2","3","1") = "6"
    & skf21("2","5","4","1","7","2","4","1") = "6"
    & skf21("2","5","4","1","7","2","5","1") = "6"
    & skf21("2","5","4","1","7","2","6","1") = "6"
    & skf21("2","5","4","1","7","2","7","1") = "6"
    & skf21("2","5","4","1","7","3","1","1") = "6"
    & skf21("2","5","4","1","7","3","2","1") = "6"
    & skf21("2","5","4","1","7","3","3","1") = "6"
    & skf21("2","5","4","1","7","3","4","1") = "6"
    & skf21("2","5","4","1","7","3","5","1") = "6"
    & skf21("2","5","4","1","7","3","6","1") = "6"
    & skf21("2","5","4","1","7","3","7","1") = "6"
    & skf21("2","5","4","1","7","4","1","1") = "6"
    & skf21("2","5","4","1","7","4","2","1") = "6"
    & skf21("2","5","4","1","7","4","3","1") = "6"
    & skf21("2","5","4","1","7","4","4","1") = "6"
    & skf21("2","5","4","1","7","4","5","1") = "6"
    & skf21("2","5","4","1","7","4","6","1") = "6"
    & skf21("2","5","4","1","7","4","7","1") = "6"
    & skf21("2","5","4","1","7","5","1","1") = "6"
    & skf21("2","5","4","1","7","5","2","1") = "6"
    & skf21("2","5","4","1","7","5","3","1") = "6"
    & skf21("2","5","4","1","7","5","4","1") = "6"
    & skf21("2","5","4","1","7","5","5","1") = "6"
    & skf21("2","5","4","1","7","5","6","1") = "6"
    & skf21("2","5","4","1","7","5","7","1") = "6"
    & skf21("2","5","4","1","7","6","1","1") = "6"
    & skf21("2","5","4","1","7","6","2","1") = "6"
    & skf21("2","5","4","1","7","6","3","1") = "6"
    & skf21("2","5","4","1","7","6","4","1") = "6"
    & skf21("2","5","4","1","7","6","5","1") = "6"
    & skf21("2","5","4","1","7","6","6","1") = "6"
    & skf21("2","5","4","1","7","6","7","1") = "6"
    & skf21("2","5","4","1","7","7","1","1") = "6"
    & skf21("2","5","4","1","7","7","2","1") = "6"
    & skf21("2","5","4","1","7","7","3","1") = "6"
    & skf21("2","5","4","1","7","7","4","1") = "6"
    & skf21("2","5","4","1","7","7","5","1") = "6"
    & skf21("2","5","4","1","7","7","6","1") = "6"
    & skf21("2","5","4","1","7","7","7","1") = "6"
    & skf21("2","5","4","2","1","1","1","1") = "4"
    & skf21("2","5","4","2","1","1","2","1") = "4"
    & skf21("2","5","4","2","1","1","3","1") = "4"
    & skf21("2","5","4","2","1","1","4","1") = "4"
    & skf21("2","5","4","2","1","1","5","1") = "4"
    & skf21("2","5","4","2","1","1","6","1") = "5"
    & skf21("2","5","4","2","1","1","7","1") = "6"
    & skf21("2","5","4","2","1","2","1","1") = "4"
    & skf21("2","5","4","2","1","2","2","1") = "4"
    & skf21("2","5","4","2","1","2","3","1") = "4"
    & skf21("2","5","4","2","1","2","4","1") = "4"
    & skf21("2","5","4","2","1","2","5","1") = "4"
    & skf21("2","5","4","2","1","2","6","1") = "5"
    & skf21("2","5","4","2","1","2","7","1") = "6"
    & skf21("2","5","4","2","1","3","1","1") = "4"
    & skf21("2","5","4","2","1","3","2","1") = "4"
    & skf21("2","5","4","2","1","3","3","1") = "4"
    & skf21("2","5","4","2","1","3","4","1") = "4"
    & skf21("2","5","4","2","1","3","5","1") = "4"
    & skf21("2","5","4","2","1","3","6","1") = "5"
    & skf21("2","5","4","2","1","3","7","1") = "6"
    & skf21("2","5","4","2","1","4","1","1") = "4"
    & skf21("2","5","4","2","1","4","2","1") = "4"
    & skf21("2","5","4","2","1","4","3","1") = "4"
    & skf21("2","5","4","2","1","4","4","1") = "4"
    & skf21("2","5","4","2","1","4","5","1") = "4"
    & skf21("2","5","4","2","1","4","6","1") = "5"
    & skf21("2","5","4","2","1","4","7","1") = "6"
    & skf21("2","5","4","2","1","5","1","1") = "4"
    & skf21("2","5","4","2","1","5","2","1") = "4"
    & skf21("2","5","4","2","1","5","3","1") = "4"
    & skf21("2","5","4","2","1","5","4","1") = "4"
    & skf21("2","5","4","2","1","5","5","1") = "4"
    & skf21("2","5","4","2","1","5","6","1") = "5"
    & skf21("2","5","4","2","1","5","7","1") = "6"
    & skf21("2","5","4","2","1","6","1","1") = "5"
    & skf21("2","5","4","2","1","6","2","1") = "5"
    & skf21("2","5","4","2","1","6","3","1") = "5"
    & skf21("2","5","4","2","1","6","4","1") = "5"
    & skf21("2","5","4","2","1","6","5","1") = "5"
    & skf21("2","5","4","2","1","6","6","1") = "5"
    & skf21("2","5","4","2","1","6","7","1") = "6"
    & skf21("2","5","4","2","1","7","1","1") = "6"
    & skf21("2","5","4","2","1","7","2","1") = "6"
    & skf21("2","5","4","2","1","7","3","1") = "6"
    & skf21("2","5","4","2","1","7","4","1") = "6"
    & skf21("2","5","4","2","1","7","5","1") = "6"
    & skf21("2","5","4","2","1","7","6","1") = "6"
    & skf21("2","5","4","2","1","7","7","1") = "6"
    & skf21("2","5","4","2","2","1","1","1") = "4"
    & skf21("2","5","4","2","2","1","2","1") = "4"
    & skf21("2","5","4","2","2","1","3","1") = "4"
    & skf21("2","5","4","2","2","1","4","1") = "4"
    & skf21("2","5","4","2","2","1","5","1") = "4"
    & skf21("2","5","4","2","2","1","6","1") = "5"
    & skf21("2","5","4","2","2","1","7","1") = "6"
    & skf21("2","5","4","2","2","2","1","1") = "4"
    & skf21("2","5","4","2","2","2","2","1") = "4"
    & skf21("2","5","4","2","2","2","3","1") = "4"
    & skf21("2","5","4","2","2","2","4","1") = "4"
    & skf21("2","5","4","2","2","2","5","1") = "4"
    & skf21("2","5","4","2","2","2","6","1") = "5"
    & skf21("2","5","4","2","2","2","7","1") = "6"
    & skf21("2","5","4","2","2","3","1","1") = "4"
    & skf21("2","5","4","2","2","3","2","1") = "4"
    & skf21("2","5","4","2","2","3","3","1") = "4"
    & skf21("2","5","4","2","2","3","4","1") = "4"
    & skf21("2","5","4","2","2","3","5","1") = "4"
    & skf21("2","5","4","2","2","3","6","1") = "5"
    & skf21("2","5","4","2","2","3","7","1") = "6"
    & skf21("2","5","4","2","2","4","1","1") = "4"
    & skf21("2","5","4","2","2","4","2","1") = "4"
    & skf21("2","5","4","2","2","4","3","1") = "4"
    & skf21("2","5","4","2","2","4","4","1") = "4"
    & skf21("2","5","4","2","2","4","5","1") = "4"
    & skf21("2","5","4","2","2","4","6","1") = "5"
    & skf21("2","5","4","2","2","4","7","1") = "6"
    & skf21("2","5","4","2","2","5","1","1") = "4"
    & skf21("2","5","4","2","2","5","2","1") = "4"
    & skf21("2","5","4","2","2","5","3","1") = "4"
    & skf21("2","5","4","2","2","5","4","1") = "4"
    & skf21("2","5","4","2","2","5","5","1") = "4"
    & skf21("2","5","4","2","2","5","6","1") = "5"
    & skf21("2","5","4","2","2","5","7","1") = "6"
    & skf21("2","5","4","2","2","6","1","1") = "5"
    & skf21("2","5","4","2","2","6","2","1") = "5"
    & skf21("2","5","4","2","2","6","3","1") = "5"
    & skf21("2","5","4","2","2","6","4","1") = "5"
    & skf21("2","5","4","2","2","6","5","1") = "5"
    & skf21("2","5","4","2","2","6","6","1") = "5"
    & skf21("2","5","4","2","2","6","7","1") = "6"
    & skf21("2","5","4","2","2","7","1","1") = "6"
    & skf21("2","5","4","2","2","7","2","1") = "6"
    & skf21("2","5","4","2","2","7","3","1") = "6"
    & skf21("2","5","4","2","2","7","4","1") = "6"
    & skf21("2","5","4","2","2","7","5","1") = "6"
    & skf21("2","5","4","2","2","7","6","1") = "6"
    & skf21("2","5","4","2","2","7","7","1") = "6"
    & skf21("2","5","4","2","3","1","1","1") = "4"
    & skf21("2","5","4","2","3","1","2","1") = "4"
    & skf21("2","5","4","2","3","1","3","1") = "4"
    & skf21("2","5","4","2","3","1","4","1") = "4"
    & skf21("2","5","4","2","3","1","5","1") = "4"
    & skf21("2","5","4","2","3","1","6","1") = "5"
    & skf21("2","5","4","2","3","1","7","1") = "6"
    & skf21("2","5","4","2","3","2","1","1") = "4"
    & skf21("2","5","4","2","3","2","2","1") = "4"
    & skf21("2","5","4","2","3","2","3","1") = "4"
    & skf21("2","5","4","2","3","2","4","1") = "4"
    & skf21("2","5","4","2","3","2","5","1") = "4"
    & skf21("2","5","4","2","3","2","6","1") = "5"
    & skf21("2","5","4","2","3","2","7","1") = "6"
    & skf21("2","5","4","2","3","3","1","1") = "4"
    & skf21("2","5","4","2","3","3","2","1") = "4"
    & skf21("2","5","4","2","3","3","3","1") = "4"
    & skf21("2","5","4","2","3","3","4","1") = "4"
    & skf21("2","5","4","2","3","3","5","1") = "4"
    & skf21("2","5","4","2","3","3","6","1") = "5"
    & skf21("2","5","4","2","3","3","7","1") = "6"
    & skf21("2","5","4","2","3","4","1","1") = "4"
    & skf21("2","5","4","2","3","4","2","1") = "4"
    & skf21("2","5","4","2","3","4","3","1") = "4"
    & skf21("2","5","4","2","3","4","4","1") = "4"
    & skf21("2","5","4","2","3","4","5","1") = "4"
    & skf21("2","5","4","2","3","4","6","1") = "5"
    & skf21("2","5","4","2","3","4","7","1") = "6"
    & skf21("2","5","4","2","3","5","1","1") = "4"
    & skf21("2","5","4","2","3","5","2","1") = "4"
    & skf21("2","5","4","2","3","5","3","1") = "4"
    & skf21("2","5","4","2","3","5","4","1") = "4"
    & skf21("2","5","4","2","3","5","5","1") = "4"
    & skf21("2","5","4","2","3","5","6","1") = "5"
    & skf21("2","5","4","2","3","5","7","1") = "6"
    & skf21("2","5","4","2","3","6","1","1") = "5"
    & skf21("2","5","4","2","3","6","2","1") = "5"
    & skf21("2","5","4","2","3","6","3","1") = "5"
    & skf21("2","5","4","2","3","6","4","1") = "5"
    & skf21("2","5","4","2","3","6","5","1") = "5"
    & skf21("2","5","4","2","3","6","6","1") = "5"
    & skf21("2","5","4","2","3","6","7","1") = "6"
    & skf21("2","5","4","2","3","7","1","1") = "6"
    & skf21("2","5","4","2","3","7","2","1") = "6"
    & skf21("2","5","4","2","3","7","3","1") = "6"
    & skf21("2","5","4","2","3","7","4","1") = "6"
    & skf21("2","5","4","2","3","7","5","1") = "6"
    & skf21("2","5","4","2","3","7","6","1") = "6"
    & skf21("2","5","4","2","3","7","7","1") = "6"
    & skf21("2","5","4","2","4","1","1","1") = "4"
    & skf21("2","5","4","2","4","1","2","1") = "4"
    & skf21("2","5","4","2","4","1","3","1") = "4"
    & skf21("2","5","4","2","4","1","4","1") = "4"
    & skf21("2","5","4","2","4","1","5","1") = "4"
    & skf21("2","5","4","2","4","1","6","1") = "5"
    & skf21("2","5","4","2","4","1","7","1") = "6"
    & skf21("2","5","4","2","4","2","1","1") = "4"
    & skf21("2","5","4","2","4","2","2","1") = "4"
    & skf21("2","5","4","2","4","2","3","1") = "4"
    & skf21("2","5","4","2","4","2","4","1") = "4"
    & skf21("2","5","4","2","4","2","5","1") = "4"
    & skf21("2","5","4","2","4","2","6","1") = "5"
    & skf21("2","5","4","2","4","2","7","1") = "6"
    & skf21("2","5","4","2","4","3","1","1") = "4"
    & skf21("2","5","4","2","4","3","2","1") = "4"
    & skf21("2","5","4","2","4","3","3","1") = "4"
    & skf21("2","5","4","2","4","3","4","1") = "4"
    & skf21("2","5","4","2","4","3","5","1") = "4"
    & skf21("2","5","4","2","4","3","6","1") = "5"
    & skf21("2","5","4","2","4","3","7","1") = "6"
    & skf21("2","5","4","2","4","4","1","1") = "4"
    & skf21("2","5","4","2","4","4","2","1") = "4"
    & skf21("2","5","4","2","4","4","3","1") = "4"
    & skf21("2","5","4","2","4","4","4","1") = "4"
    & skf21("2","5","4","2","4","4","5","1") = "4"
    & skf21("2","5","4","2","4","4","6","1") = "5"
    & skf21("2","5","4","2","4","4","7","1") = "6"
    & skf21("2","5","4","2","4","5","1","1") = "4"
    & skf21("2","5","4","2","4","5","2","1") = "4"
    & skf21("2","5","4","2","4","5","3","1") = "4"
    & skf21("2","5","4","2","4","5","4","1") = "4"
    & skf21("2","5","4","2","4","5","5","1") = "4"
    & skf21("2","5","4","2","4","5","6","1") = "5"
    & skf21("2","5","4","2","4","5","7","1") = "6"
    & skf21("2","5","4","2","4","6","1","1") = "5"
    & skf21("2","5","4","2","4","6","2","1") = "5"
    & skf21("2","5","4","2","4","6","3","1") = "5"
    & skf21("2","5","4","2","4","6","4","1") = "5"
    & skf21("2","5","4","2","4","6","5","1") = "5"
    & skf21("2","5","4","2","4","6","6","1") = "5"
    & skf21("2","5","4","2","4","6","7","1") = "6"
    & skf21("2","5","4","2","4","7","1","1") = "6"
    & skf21("2","5","4","2","4","7","2","1") = "6"
    & skf21("2","5","4","2","4","7","3","1") = "6"
    & skf21("2","5","4","2","4","7","4","1") = "6"
    & skf21("2","5","4","2","4","7","5","1") = "6"
    & skf21("2","5","4","2","4","7","6","1") = "6"
    & skf21("2","5","4","2","4","7","7","1") = "6"
    & skf21("2","5","4","2","5","1","1","1") = "4"
    & skf21("2","5","4","2","5","1","2","1") = "4"
    & skf21("2","5","4","2","5","1","3","1") = "4"
    & skf21("2","5","4","2","5","1","4","1") = "4"
    & skf21("2","5","4","2","5","1","5","1") = "4"
    & skf21("2","5","4","2","5","1","6","1") = "5"
    & skf21("2","5","4","2","5","1","7","1") = "6"
    & skf21("2","5","4","2","5","2","1","1") = "4"
    & skf21("2","5","4","2","5","2","2","1") = "4"
    & skf21("2","5","4","2","5","2","3","1") = "4"
    & skf21("2","5","4","2","5","2","4","1") = "4"
    & skf21("2","5","4","2","5","2","5","1") = "4"
    & skf21("2","5","4","2","5","2","6","1") = "5"
    & skf21("2","5","4","2","5","2","7","1") = "6"
    & skf21("2","5","4","2","5","3","1","1") = "4"
    & skf21("2","5","4","2","5","3","2","1") = "4"
    & skf21("2","5","4","2","5","3","3","1") = "4"
    & skf21("2","5","4","2","5","3","4","1") = "4"
    & skf21("2","5","4","2","5","3","5","1") = "4"
    & skf21("2","5","4","2","5","3","6","1") = "5"
    & skf21("2","5","4","2","5","3","7","1") = "6"
    & skf21("2","5","4","2","5","4","1","1") = "4"
    & skf21("2","5","4","2","5","4","2","1") = "4"
    & skf21("2","5","4","2","5","4","3","1") = "4"
    & skf21("2","5","4","2","5","4","4","1") = "4"
    & skf21("2","5","4","2","5","4","5","1") = "4"
    & skf21("2","5","4","2","5","4","6","1") = "5"
    & skf21("2","5","4","2","5","4","7","1") = "6"
    & skf21("2","5","4","2","5","5","1","1") = "4"
    & skf21("2","5","4","2","5","5","2","1") = "4"
    & skf21("2","5","4","2","5","5","3","1") = "4"
    & skf21("2","5","4","2","5","5","4","1") = "4"
    & skf21("2","5","4","2","5","5","5","1") = "4"
    & skf21("2","5","4","2","5","5","6","1") = "5"
    & skf21("2","5","4","2","5","5","7","1") = "6"
    & skf21("2","5","4","2","5","6","1","1") = "5"
    & skf21("2","5","4","2","5","6","2","1") = "5"
    & skf21("2","5","4","2","5","6","3","1") = "5"
    & skf21("2","5","4","2","5","6","4","1") = "5"
    & skf21("2","5","4","2","5","6","5","1") = "5"
    & skf21("2","5","4","2","5","6","6","1") = "5"
    & skf21("2","5","4","2","5","6","7","1") = "6"
    & skf21("2","5","4","2","5","7","1","1") = "6"
    & skf21("2","5","4","2","5","7","2","1") = "6"
    & skf21("2","5","4","2","5","7","3","1") = "6"
    & skf21("2","5","4","2","5","7","4","1") = "6"
    & skf21("2","5","4","2","5","7","5","1") = "6"
    & skf21("2","5","4","2","5","7","6","1") = "6"
    & skf21("2","5","4","2","5","7","7","1") = "6"
    & skf21("2","5","4","2","6","1","1","1") = "5"
    & skf21("2","5","4","2","6","1","2","1") = "5"
    & skf21("2","5","4","2","6","1","3","1") = "5"
    & skf21("2","5","4","2","6","1","4","1") = "5"
    & skf21("2","5","4","2","6","1","5","1") = "5"
    & skf21("2","5","4","2","6","1","6","1") = "5"
    & skf21("2","5","4","2","6","1","7","1") = "6"
    & skf21("2","5","4","2","6","2","1","1") = "5"
    & skf21("2","5","4","2","6","2","2","1") = "5"
    & skf21("2","5","4","2","6","2","3","1") = "5"
    & skf21("2","5","4","2","6","2","4","1") = "5"
    & skf21("2","5","4","2","6","2","5","1") = "5"
    & skf21("2","5","4","2","6","2","6","1") = "5"
    & skf21("2","5","4","2","6","2","7","1") = "6"
    & skf21("2","5","4","2","6","3","1","1") = "5"
    & skf21("2","5","4","2","6","3","2","1") = "5"
    & skf21("2","5","4","2","6","3","3","1") = "5"
    & skf21("2","5","4","2","6","3","4","1") = "5"
    & skf21("2","5","4","2","6","3","5","1") = "5"
    & skf21("2","5","4","2","6","3","6","1") = "5"
    & skf21("2","5","4","2","6","3","7","1") = "6"
    & skf21("2","5","4","2","6","4","1","1") = "5"
    & skf21("2","5","4","2","6","4","2","1") = "5"
    & skf21("2","5","4","2","6","4","3","1") = "5"
    & skf21("2","5","4","2","6","4","4","1") = "5"
    & skf21("2","5","4","2","6","4","5","1") = "5"
    & skf21("2","5","4","2","6","4","6","1") = "5"
    & skf21("2","5","4","2","6","4","7","1") = "6"
    & skf21("2","5","4","2","6","5","1","1") = "5"
    & skf21("2","5","4","2","6","5","2","1") = "5"
    & skf21("2","5","4","2","6","5","3","1") = "5"
    & skf21("2","5","4","2","6","5","4","1") = "5"
    & skf21("2","5","4","2","6","5","5","1") = "5"
    & skf21("2","5","4","2","6","5","6","1") = "5"
    & skf21("2","5","4","2","6","5","7","1") = "6"
    & skf21("2","5","4","2","6","6","1","1") = "5"
    & skf21("2","5","4","2","6","6","2","1") = "5"
    & skf21("2","5","4","2","6","6","3","1") = "5"
    & skf21("2","5","4","2","6","6","4","1") = "5"
    & skf21("2","5","4","2","6","6","5","1") = "5"
    & skf21("2","5","4","2","6","6","6","1") = "5"
    & skf21("2","5","4","2","6","6","7","1") = "6"
    & skf21("2","5","4","2","6","7","1","1") = "6"
    & skf21("2","5","4","2","6","7","2","1") = "6"
    & skf21("2","5","4","2","6","7","3","1") = "6"
    & skf21("2","5","4","2","6","7","4","1") = "6"
    & skf21("2","5","4","2","6","7","5","1") = "6"
    & skf21("2","5","4","2","6","7","6","1") = "6"
    & skf21("2","5","4","2","6","7","7","1") = "6"
    & skf21("2","5","4","2","7","1","1","1") = "6"
    & skf21("2","5","4","2","7","1","2","1") = "6"
    & skf21("2","5","4","2","7","1","3","1") = "6"
    & skf21("2","5","4","2","7","1","4","1") = "6"
    & skf21("2","5","4","2","7","1","5","1") = "6"
    & skf21("2","5","4","2","7","1","6","1") = "6"
    & skf21("2","5","4","2","7","1","7","1") = "6"
    & skf21("2","5","4","2","7","2","1","1") = "6"
    & skf21("2","5","4","2","7","2","2","1") = "6"
    & skf21("2","5","4","2","7","2","3","1") = "6"
    & skf21("2","5","4","2","7","2","4","1") = "6"
    & skf21("2","5","4","2","7","2","5","1") = "6"
    & skf21("2","5","4","2","7","2","6","1") = "6"
    & skf21("2","5","4","2","7","2","7","1") = "6"
    & skf21("2","5","4","2","7","3","1","1") = "6"
    & skf21("2","5","4","2","7","3","2","1") = "6"
    & skf21("2","5","4","2","7","3","3","1") = "6"
    & skf21("2","5","4","2","7","3","4","1") = "6"
    & skf21("2","5","4","2","7","3","5","1") = "6"
    & skf21("2","5","4","2","7","3","6","1") = "6"
    & skf21("2","5","4","2","7","3","7","1") = "6"
    & skf21("2","5","4","2","7","4","1","1") = "6"
    & skf21("2","5","4","2","7","4","2","1") = "6"
    & skf21("2","5","4","2","7","4","3","1") = "6"
    & skf21("2","5","4","2","7","4","4","1") = "6"
    & skf21("2","5","4","2","7","4","5","1") = "6"
    & skf21("2","5","4","2","7","4","6","1") = "6"
    & skf21("2","5","4","2","7","4","7","1") = "6"
    & skf21("2","5","4","2","7","5","1","1") = "6"
    & skf21("2","5","4","2","7","5","2","1") = "6"
    & skf21("2","5","4","2","7","5","3","1") = "6"
    & skf21("2","5","4","2","7","5","4","1") = "6"
    & skf21("2","5","4","2","7","5","5","1") = "6"
    & skf21("2","5","4","2","7","5","6","1") = "6"
    & skf21("2","5","4","2","7","5","7","1") = "6"
    & skf21("2","5","4","2","7","6","1","1") = "6"
    & skf21("2","5","4","2","7","6","2","1") = "6"
    & skf21("2","5","4","2","7","6","3","1") = "6"
    & skf21("2","5","4","2","7","6","4","1") = "6"
    & skf21("2","5","4","2","7","6","5","1") = "6"
    & skf21("2","5","4","2","7","6","6","1") = "6"
    & skf21("2","5","4","2","7","6","7","1") = "6"
    & skf21("2","5","4","2","7","7","1","1") = "6"
    & skf21("2","5","4","2","7","7","2","1") = "6"
    & skf21("2","5","4","2","7","7","3","1") = "6"
    & skf21("2","5","4","2","7","7","4","1") = "6"
    & skf21("2","5","4","2","7","7","5","1") = "6"
    & skf21("2","5","4","2","7","7","6","1") = "6"
    & skf21("2","5","4","2","7","7","7","1") = "6"
    & skf21("2","5","4","3","1","1","1","1") = "4"
    & skf21("2","5","4","3","1","1","2","1") = "4"
    & skf21("2","5","4","3","1","1","3","1") = "4"
    & skf21("2","5","4","3","1","1","4","1") = "4"
    & skf21("2","5","4","3","1","1","5","1") = "4"
    & skf21("2","5","4","3","1","1","6","1") = "5"
    & skf21("2","5","4","3","1","1","7","1") = "6"
    & skf21("2","5","4","3","1","2","1","1") = "4"
    & skf21("2","5","4","3","1","2","2","1") = "4"
    & skf21("2","5","4","3","1","2","3","1") = "4"
    & skf21("2","5","4","3","1","2","4","1") = "4"
    & skf21("2","5","4","3","1","2","5","1") = "4"
    & skf21("2","5","4","3","1","2","6","1") = "5"
    & skf21("2","5","4","3","1","2","7","1") = "6"
    & skf21("2","5","4","3","1","3","1","1") = "4"
    & skf21("2","5","4","3","1","3","2","1") = "4"
    & skf21("2","5","4","3","1","3","3","1") = "4"
    & skf21("2","5","4","3","1","3","4","1") = "4"
    & skf21("2","5","4","3","1","3","5","1") = "4"
    & skf21("2","5","4","3","1","3","6","1") = "5"
    & skf21("2","5","4","3","1","3","7","1") = "6"
    & skf21("2","5","4","3","1","4","1","1") = "4"
    & skf21("2","5","4","3","1","4","2","1") = "4"
    & skf21("2","5","4","3","1","4","3","1") = "4"
    & skf21("2","5","4","3","1","4","4","1") = "4"
    & skf21("2","5","4","3","1","4","5","1") = "4"
    & skf21("2","5","4","3","1","4","6","1") = "5"
    & skf21("2","5","4","3","1","4","7","1") = "6"
    & skf21("2","5","4","3","1","5","1","1") = "4"
    & skf21("2","5","4","3","1","5","2","1") = "4"
    & skf21("2","5","4","3","1","5","3","1") = "4"
    & skf21("2","5","4","3","1","5","4","1") = "4"
    & skf21("2","5","4","3","1","5","5","1") = "4"
    & skf21("2","5","4","3","1","5","6","1") = "5"
    & skf21("2","5","4","3","1","5","7","1") = "6"
    & skf21("2","5","4","3","1","6","1","1") = "5"
    & skf21("2","5","4","3","1","6","2","1") = "5"
    & skf21("2","5","4","3","1","6","3","1") = "5"
    & skf21("2","5","4","3","1","6","4","1") = "5"
    & skf21("2","5","4","3","1","6","5","1") = "5"
    & skf21("2","5","4","3","1","6","6","1") = "5"
    & skf21("2","5","4","3","1","6","7","1") = "6"
    & skf21("2","5","4","3","1","7","1","1") = "6"
    & skf21("2","5","4","3","1","7","2","1") = "6"
    & skf21("2","5","4","3","1","7","3","1") = "6"
    & skf21("2","5","4","3","1","7","4","1") = "6"
    & skf21("2","5","4","3","1","7","5","1") = "6"
    & skf21("2","5","4","3","1","7","6","1") = "6"
    & skf21("2","5","4","3","1","7","7","1") = "6"
    & skf21("2","5","4","3","2","1","1","1") = "4"
    & skf21("2","5","4","3","2","1","2","1") = "4"
    & skf21("2","5","4","3","2","1","3","1") = "4"
    & skf21("2","5","4","3","2","1","4","1") = "4"
    & skf21("2","5","4","3","2","1","5","1") = "4"
    & skf21("2","5","4","3","2","1","6","1") = "5"
    & skf21("2","5","4","3","2","1","7","1") = "6"
    & skf21("2","5","4","3","2","2","1","1") = "4"
    & skf21("2","5","4","3","2","2","2","1") = "4"
    & skf21("2","5","4","3","2","2","3","1") = "4"
    & skf21("2","5","4","3","2","2","4","1") = "4"
    & skf21("2","5","4","3","2","2","5","1") = "4"
    & skf21("2","5","4","3","2","2","6","1") = "5"
    & skf21("2","5","4","3","2","2","7","1") = "6"
    & skf21("2","5","4","3","2","3","1","1") = "4"
    & skf21("2","5","4","3","2","3","2","1") = "4"
    & skf21("2","5","4","3","2","3","3","1") = "4"
    & skf21("2","5","4","3","2","3","4","1") = "4"
    & skf21("2","5","4","3","2","3","5","1") = "4"
    & skf21("2","5","4","3","2","3","6","1") = "5"
    & skf21("2","5","4","3","2","3","7","1") = "6"
    & skf21("2","5","4","3","2","4","1","1") = "4"
    & skf21("2","5","4","3","2","4","2","1") = "4"
    & skf21("2","5","4","3","2","4","3","1") = "4"
    & skf21("2","5","4","3","2","4","4","1") = "4"
    & skf21("2","5","4","3","2","4","5","1") = "4"
    & skf21("2","5","4","3","2","4","6","1") = "5"
    & skf21("2","5","4","3","2","4","7","1") = "6"
    & skf21("2","5","4","3","2","5","1","1") = "4"
    & skf21("2","5","4","3","2","5","2","1") = "4"
    & skf21("2","5","4","3","2","5","3","1") = "4"
    & skf21("2","5","4","3","2","5","4","1") = "4"
    & skf21("2","5","4","3","2","5","5","1") = "4"
    & skf21("2","5","4","3","2","5","6","1") = "5"
    & skf21("2","5","4","3","2","5","7","1") = "6"
    & skf21("2","5","4","3","2","6","1","1") = "5"
    & skf21("2","5","4","3","2","6","2","1") = "5"
    & skf21("2","5","4","3","2","6","3","1") = "5"
    & skf21("2","5","4","3","2","6","4","1") = "5"
    & skf21("2","5","4","3","2","6","5","1") = "5"
    & skf21("2","5","4","3","2","6","6","1") = "5"
    & skf21("2","5","4","3","2","6","7","1") = "6"
    & skf21("2","5","4","3","2","7","1","1") = "6"
    & skf21("2","5","4","3","2","7","2","1") = "6"
    & skf21("2","5","4","3","2","7","3","1") = "6"
    & skf21("2","5","4","3","2","7","4","1") = "6"
    & skf21("2","5","4","3","2","7","5","1") = "6"
    & skf21("2","5","4","3","2","7","6","1") = "6"
    & skf21("2","5","4","3","2","7","7","1") = "6"
    & skf21("2","5","4","3","3","1","1","1") = "4"
    & skf21("2","5","4","3","3","1","2","1") = "4"
    & skf21("2","5","4","3","3","1","3","1") = "4"
    & skf21("2","5","4","3","3","1","4","1") = "4"
    & skf21("2","5","4","3","3","1","5","1") = "4"
    & skf21("2","5","4","3","3","1","6","1") = "5"
    & skf21("2","5","4","3","3","1","7","1") = "6"
    & skf21("2","5","4","3","3","2","1","1") = "4"
    & skf21("2","5","4","3","3","2","2","1") = "4"
    & skf21("2","5","4","3","3","2","3","1") = "4"
    & skf21("2","5","4","3","3","2","4","1") = "4"
    & skf21("2","5","4","3","3","2","5","1") = "4"
    & skf21("2","5","4","3","3","2","6","1") = "5"
    & skf21("2","5","4","3","3","2","7","1") = "6"
    & skf21("2","5","4","3","3","3","1","1") = "4"
    & skf21("2","5","4","3","3","3","2","1") = "4"
    & skf21("2","5","4","3","3","3","3","1") = "4"
    & skf21("2","5","4","3","3","3","4","1") = "4"
    & skf21("2","5","4","3","3","3","5","1") = "4"
    & skf21("2","5","4","3","3","3","6","1") = "5"
    & skf21("2","5","4","3","3","3","7","1") = "6"
    & skf21("2","5","4","3","3","4","1","1") = "4"
    & skf21("2","5","4","3","3","4","2","1") = "4"
    & skf21("2","5","4","3","3","4","3","1") = "4"
    & skf21("2","5","4","3","3","4","4","1") = "4"
    & skf21("2","5","4","3","3","4","5","1") = "4"
    & skf21("2","5","4","3","3","4","6","1") = "5"
    & skf21("2","5","4","3","3","4","7","1") = "6"
    & skf21("2","5","4","3","3","5","1","1") = "4"
    & skf21("2","5","4","3","3","5","2","1") = "4"
    & skf21("2","5","4","3","3","5","3","1") = "4"
    & skf21("2","5","4","3","3","5","4","1") = "4"
    & skf21("2","5","4","3","3","5","5","1") = "4"
    & skf21("2","5","4","3","3","5","6","1") = "5"
    & skf21("2","5","4","3","3","5","7","1") = "6"
    & skf21("2","5","4","3","3","6","1","1") = "5"
    & skf21("2","5","4","3","3","6","2","1") = "5"
    & skf21("2","5","4","3","3","6","3","1") = "5"
    & skf21("2","5","4","3","3","6","4","1") = "5"
    & skf21("2","5","4","3","3","6","5","1") = "5"
    & skf21("2","5","4","3","3","6","6","1") = "5"
    & skf21("2","5","4","3","3","6","7","1") = "6"
    & skf21("2","5","4","3","3","7","1","1") = "6"
    & skf21("2","5","4","3","3","7","2","1") = "6"
    & skf21("2","5","4","3","3","7","3","1") = "6"
    & skf21("2","5","4","3","3","7","4","1") = "6"
    & skf21("2","5","4","3","3","7","5","1") = "6"
    & skf21("2","5","4","3","3","7","6","1") = "6"
    & skf21("2","5","4","3","3","7","7","1") = "6"
    & skf21("2","5","4","3","4","1","1","1") = "4"
    & skf21("2","5","4","3","4","1","2","1") = "4"
    & skf21("2","5","4","3","4","1","3","1") = "4"
    & skf21("2","5","4","3","4","1","4","1") = "4"
    & skf21("2","5","4","3","4","1","5","1") = "4"
    & skf21("2","5","4","3","4","1","6","1") = "5"
    & skf21("2","5","4","3","4","1","7","1") = "6"
    & skf21("2","5","4","3","4","2","1","1") = "4"
    & skf21("2","5","4","3","4","2","2","1") = "4"
    & skf21("2","5","4","3","4","2","3","1") = "4"
    & skf21("2","5","4","3","4","2","4","1") = "4"
    & skf21("2","5","4","3","4","2","5","1") = "4"
    & skf21("2","5","4","3","4","2","6","1") = "5"
    & skf21("2","5","4","3","4","2","7","1") = "6"
    & skf21("2","5","4","3","4","3","1","1") = "4"
    & skf21("2","5","4","3","4","3","2","1") = "4"
    & skf21("2","5","4","3","4","3","3","1") = "4"
    & skf21("2","5","4","3","4","3","4","1") = "4"
    & skf21("2","5","4","3","4","3","5","1") = "4"
    & skf21("2","5","4","3","4","3","6","1") = "5"
    & skf21("2","5","4","3","4","3","7","1") = "6"
    & skf21("2","5","4","3","4","4","1","1") = "4"
    & skf21("2","5","4","3","4","4","2","1") = "4"
    & skf21("2","5","4","3","4","4","3","1") = "4"
    & skf21("2","5","4","3","4","4","4","1") = "4"
    & skf21("2","5","4","3","4","4","5","1") = "4"
    & skf21("2","5","4","3","4","4","6","1") = "5"
    & skf21("2","5","4","3","4","4","7","1") = "6"
    & skf21("2","5","4","3","4","5","1","1") = "4"
    & skf21("2","5","4","3","4","5","2","1") = "4"
    & skf21("2","5","4","3","4","5","3","1") = "4"
    & skf21("2","5","4","3","4","5","4","1") = "4"
    & skf21("2","5","4","3","4","5","5","1") = "4"
    & skf21("2","5","4","3","4","5","6","1") = "5"
    & skf21("2","5","4","3","4","5","7","1") = "6"
    & skf21("2","5","4","3","4","6","1","1") = "5"
    & skf21("2","5","4","3","4","6","2","1") = "5"
    & skf21("2","5","4","3","4","6","3","1") = "5"
    & skf21("2","5","4","3","4","6","4","1") = "5"
    & skf21("2","5","4","3","4","6","5","1") = "5"
    & skf21("2","5","4","3","4","6","6","1") = "5"
    & skf21("2","5","4","3","4","6","7","1") = "6"
    & skf21("2","5","4","3","4","7","1","1") = "6"
    & skf21("2","5","4","3","4","7","2","1") = "6"
    & skf21("2","5","4","3","4","7","3","1") = "6"
    & skf21("2","5","4","3","4","7","4","1") = "6"
    & skf21("2","5","4","3","4","7","5","1") = "6"
    & skf21("2","5","4","3","4","7","6","1") = "6"
    & skf21("2","5","4","3","4","7","7","1") = "6"
    & skf21("2","5","4","3","5","1","1","1") = "4"
    & skf21("2","5","4","3","5","1","2","1") = "4"
    & skf21("2","5","4","3","5","1","3","1") = "4"
    & skf21("2","5","4","3","5","1","4","1") = "4"
    & skf21("2","5","4","3","5","1","5","1") = "4"
    & skf21("2","5","4","3","5","1","6","1") = "5"
    & skf21("2","5","4","3","5","1","7","1") = "6"
    & skf21("2","5","4","3","5","2","1","1") = "4"
    & skf21("2","5","4","3","5","2","2","1") = "4"
    & skf21("2","5","4","3","5","2","3","1") = "4"
    & skf21("2","5","4","3","5","2","4","1") = "4"
    & skf21("2","5","4","3","5","2","5","1") = "4"
    & skf21("2","5","4","3","5","2","6","1") = "5"
    & skf21("2","5","4","3","5","2","7","1") = "6"
    & skf21("2","5","4","3","5","3","1","1") = "4"
    & skf21("2","5","4","3","5","3","2","1") = "4"
    & skf21("2","5","4","3","5","3","3","1") = "4"
    & skf21("2","5","4","3","5","3","4","1") = "4"
    & skf21("2","5","4","3","5","3","5","1") = "4"
    & skf21("2","5","4","3","5","3","6","1") = "5"
    & skf21("2","5","4","3","5","3","7","1") = "6"
    & skf21("2","5","4","3","5","4","1","1") = "4"
    & skf21("2","5","4","3","5","4","2","1") = "4"
    & skf21("2","5","4","3","5","4","3","1") = "4"
    & skf21("2","5","4","3","5","4","4","1") = "4"
    & skf21("2","5","4","3","5","4","5","1") = "4"
    & skf21("2","5","4","3","5","4","6","1") = "5"
    & skf21("2","5","4","3","5","4","7","1") = "6"
    & skf21("2","5","4","3","5","5","1","1") = "4"
    & skf21("2","5","4","3","5","5","2","1") = "4"
    & skf21("2","5","4","3","5","5","3","1") = "4"
    & skf21("2","5","4","3","5","5","4","1") = "4"
    & skf21("2","5","4","3","5","5","5","1") = "4"
    & skf21("2","5","4","3","5","5","6","1") = "5"
    & skf21("2","5","4","3","5","5","7","1") = "6"
    & skf21("2","5","4","3","5","6","1","1") = "5"
    & skf21("2","5","4","3","5","6","2","1") = "5"
    & skf21("2","5","4","3","5","6","3","1") = "5"
    & skf21("2","5","4","3","5","6","4","1") = "5"
    & skf21("2","5","4","3","5","6","5","1") = "5"
    & skf21("2","5","4","3","5","6","6","1") = "5"
    & skf21("2","5","4","3","5","6","7","1") = "6"
    & skf21("2","5","4","3","5","7","1","1") = "6"
    & skf21("2","5","4","3","5","7","2","1") = "6"
    & skf21("2","5","4","3","5","7","3","1") = "6"
    & skf21("2","5","4","3","5","7","4","1") = "6"
    & skf21("2","5","4","3","5","7","5","1") = "6"
    & skf21("2","5","4","3","5","7","6","1") = "6"
    & skf21("2","5","4","3","5","7","7","1") = "6"
    & skf21("2","5","4","3","6","1","1","1") = "5"
    & skf21("2","5","4","3","6","1","2","1") = "5"
    & skf21("2","5","4","3","6","1","3","1") = "5"
    & skf21("2","5","4","3","6","1","4","1") = "5"
    & skf21("2","5","4","3","6","1","5","1") = "5"
    & skf21("2","5","4","3","6","1","6","1") = "5"
    & skf21("2","5","4","3","6","1","7","1") = "6"
    & skf21("2","5","4","3","6","2","1","1") = "5"
    & skf21("2","5","4","3","6","2","2","1") = "5"
    & skf21("2","5","4","3","6","2","3","1") = "5"
    & skf21("2","5","4","3","6","2","4","1") = "5"
    & skf21("2","5","4","3","6","2","5","1") = "5"
    & skf21("2","5","4","3","6","2","6","1") = "5"
    & skf21("2","5","4","3","6","2","7","1") = "6"
    & skf21("2","5","4","3","6","3","1","1") = "5"
    & skf21("2","5","4","3","6","3","2","1") = "5"
    & skf21("2","5","4","3","6","3","3","1") = "5"
    & skf21("2","5","4","3","6","3","4","1") = "5"
    & skf21("2","5","4","3","6","3","5","1") = "5"
    & skf21("2","5","4","3","6","3","6","1") = "5"
    & skf21("2","5","4","3","6","3","7","1") = "6"
    & skf21("2","5","4","3","6","4","1","1") = "5"
    & skf21("2","5","4","3","6","4","2","1") = "5"
    & skf21("2","5","4","3","6","4","3","1") = "5"
    & skf21("2","5","4","3","6","4","4","1") = "5"
    & skf21("2","5","4","3","6","4","5","1") = "5"
    & skf21("2","5","4","3","6","4","6","1") = "5"
    & skf21("2","5","4","3","6","4","7","1") = "6"
    & skf21("2","5","4","3","6","5","1","1") = "5"
    & skf21("2","5","4","3","6","5","2","1") = "5"
    & skf21("2","5","4","3","6","5","3","1") = "5"
    & skf21("2","5","4","3","6","5","4","1") = "5"
    & skf21("2","5","4","3","6","5","5","1") = "5"
    & skf21("2","5","4","3","6","5","6","1") = "5"
    & skf21("2","5","4","3","6","5","7","1") = "6"
    & skf21("2","5","4","3","6","6","1","1") = "5"
    & skf21("2","5","4","3","6","6","2","1") = "5"
    & skf21("2","5","4","3","6","6","3","1") = "5"
    & skf21("2","5","4","3","6","6","4","1") = "5"
    & skf21("2","5","4","3","6","6","5","1") = "5"
    & skf21("2","5","4","3","6","6","6","1") = "5"
    & skf21("2","5","4","3","6","6","7","1") = "6"
    & skf21("2","5","4","3","6","7","1","1") = "6"
    & skf21("2","5","4","3","6","7","2","1") = "6"
    & skf21("2","5","4","3","6","7","3","1") = "6"
    & skf21("2","5","4","3","6","7","4","1") = "6"
    & skf21("2","5","4","3","6","7","5","1") = "6"
    & skf21("2","5","4","3","6","7","6","1") = "6"
    & skf21("2","5","4","3","6","7","7","1") = "6"
    & skf21("2","5","4","3","7","1","1","1") = "6"
    & skf21("2","5","4","3","7","1","2","1") = "6"
    & skf21("2","5","4","3","7","1","3","1") = "6"
    & skf21("2","5","4","3","7","1","4","1") = "6"
    & skf21("2","5","4","3","7","1","5","1") = "6"
    & skf21("2","5","4","3","7","1","6","1") = "6"
    & skf21("2","5","4","3","7","1","7","1") = "6"
    & skf21("2","5","4","3","7","2","1","1") = "6"
    & skf21("2","5","4","3","7","2","2","1") = "6"
    & skf21("2","5","4","3","7","2","3","1") = "6"
    & skf21("2","5","4","3","7","2","4","1") = "6"
    & skf21("2","5","4","3","7","2","5","1") = "6"
    & skf21("2","5","4","3","7","2","6","1") = "6"
    & skf21("2","5","4","3","7","2","7","1") = "6"
    & skf21("2","5","4","3","7","3","1","1") = "6"
    & skf21("2","5","4","3","7","3","2","1") = "6"
    & skf21("2","5","4","3","7","3","3","1") = "6"
    & skf21("2","5","4","3","7","3","4","1") = "6"
    & skf21("2","5","4","3","7","3","5","1") = "6"
    & skf21("2","5","4","3","7","3","6","1") = "6"
    & skf21("2","5","4","3","7","3","7","1") = "6"
    & skf21("2","5","4","3","7","4","1","1") = "6"
    & skf21("2","5","4","3","7","4","2","1") = "6"
    & skf21("2","5","4","3","7","4","3","1") = "6"
    & skf21("2","5","4","3","7","4","4","1") = "6"
    & skf21("2","5","4","3","7","4","5","1") = "6"
    & skf21("2","5","4","3","7","4","6","1") = "6"
    & skf21("2","5","4","3","7","4","7","1") = "6"
    & skf21("2","5","4","3","7","5","1","1") = "6"
    & skf21("2","5","4","3","7","5","2","1") = "6"
    & skf21("2","5","4","3","7","5","3","1") = "6"
    & skf21("2","5","4","3","7","5","4","1") = "6"
    & skf21("2","5","4","3","7","5","5","1") = "6"
    & skf21("2","5","4","3","7","5","6","1") = "6"
    & skf21("2","5","4","3","7","5","7","1") = "6"
    & skf21("2","5","4","3","7","6","1","1") = "6"
    & skf21("2","5","4","3","7","6","2","1") = "6"
    & skf21("2","5","4","3","7","6","3","1") = "6"
    & skf21("2","5","4","3","7","6","4","1") = "6"
    & skf21("2","5","4","3","7","6","5","1") = "6"
    & skf21("2","5","4","3","7","6","6","1") = "6"
    & skf21("2","5","4","3","7","6","7","1") = "6"
    & skf21("2","5","4","3","7","7","1","1") = "6"
    & skf21("2","5","4","3","7","7","2","1") = "6"
    & skf21("2","5","4","3","7","7","3","1") = "6"
    & skf21("2","5","4","3","7","7","4","1") = "6"
    & skf21("2","5","4","3","7","7","5","1") = "6"
    & skf21("2","5","4","3","7","7","6","1") = "6"
    & skf21("2","5","4","3","7","7","7","1") = "6"
    & skf21("2","5","4","4","1","1","1","1") = "4"
    & skf21("2","5","4","4","1","1","2","1") = "4"
    & skf21("2","5","4","4","1","1","3","1") = "4"
    & skf21("2","5","4","4","1","1","4","1") = "4"
    & skf21("2","5","4","4","1","1","5","1") = "4"
    & skf21("2","5","4","4","1","1","6","1") = "5"
    & skf21("2","5","4","4","1","1","7","1") = "6"
    & skf21("2","5","4","4","1","2","1","1") = "4"
    & skf21("2","5","4","4","1","2","2","1") = "4"
    & skf21("2","5","4","4","1","2","3","1") = "4"
    & skf21("2","5","4","4","1","2","4","1") = "4"
    & skf21("2","5","4","4","1","2","5","1") = "4"
    & skf21("2","5","4","4","1","2","6","1") = "5"
    & skf21("2","5","4","4","1","2","7","1") = "6"
    & skf21("2","5","4","4","1","3","1","1") = "4"
    & skf21("2","5","4","4","1","3","2","1") = "4"
    & skf21("2","5","4","4","1","3","3","1") = "4"
    & skf21("2","5","4","4","1","3","4","1") = "4"
    & skf21("2","5","4","4","1","3","5","1") = "4"
    & skf21("2","5","4","4","1","3","6","1") = "5"
    & skf21("2","5","4","4","1","3","7","1") = "6"
    & skf21("2","5","4","4","1","4","1","1") = "4"
    & skf21("2","5","4","4","1","4","2","1") = "4"
    & skf21("2","5","4","4","1","4","3","1") = "4"
    & skf21("2","5","4","4","1","4","4","1") = "4"
    & skf21("2","5","4","4","1","4","5","1") = "4"
    & skf21("2","5","4","4","1","4","6","1") = "5"
    & skf21("2","5","4","4","1","4","7","1") = "6"
    & skf21("2","5","4","4","1","5","1","1") = "4"
    & skf21("2","5","4","4","1","5","2","1") = "4"
    & skf21("2","5","4","4","1","5","3","1") = "4"
    & skf21("2","5","4","4","1","5","4","1") = "4"
    & skf21("2","5","4","4","1","5","5","1") = "4"
    & skf21("2","5","4","4","1","5","6","1") = "5"
    & skf21("2","5","4","4","1","5","7","1") = "6"
    & skf21("2","5","4","4","1","6","1","1") = "5"
    & skf21("2","5","4","4","1","6","2","1") = "5"
    & skf21("2","5","4","4","1","6","3","1") = "5"
    & skf21("2","5","4","4","1","6","4","1") = "5"
    & skf21("2","5","4","4","1","6","5","1") = "5"
    & skf21("2","5","4","4","1","6","6","1") = "5"
    & skf21("2","5","4","4","1","6","7","1") = "6"
    & skf21("2","5","4","4","1","7","1","1") = "6"
    & skf21("2","5","4","4","1","7","2","1") = "6"
    & skf21("2","5","4","4","1","7","3","1") = "6"
    & skf21("2","5","4","4","1","7","4","1") = "6"
    & skf21("2","5","4","4","1","7","5","1") = "6"
    & skf21("2","5","4","4","1","7","6","1") = "6"
    & skf21("2","5","4","4","1","7","7","1") = "6"
    & skf21("2","5","4","4","2","1","1","1") = "4"
    & skf21("2","5","4","4","2","1","2","1") = "4"
    & skf21("2","5","4","4","2","1","3","1") = "4"
    & skf21("2","5","4","4","2","1","4","1") = "4"
    & skf21("2","5","4","4","2","1","5","1") = "4"
    & skf21("2","5","4","4","2","1","6","1") = "5"
    & skf21("2","5","4","4","2","1","7","1") = "6"
    & skf21("2","5","4","4","2","2","1","1") = "4"
    & skf21("2","5","4","4","2","2","2","1") = "4"
    & skf21("2","5","4","4","2","2","3","1") = "4"
    & skf21("2","5","4","4","2","2","4","1") = "4"
    & skf21("2","5","4","4","2","2","5","1") = "4"
    & skf21("2","5","4","4","2","2","6","1") = "5"
    & skf21("2","5","4","4","2","2","7","1") = "6"
    & skf21("2","5","4","4","2","3","1","1") = "4"
    & skf21("2","5","4","4","2","3","2","1") = "4"
    & skf21("2","5","4","4","2","3","3","1") = "4"
    & skf21("2","5","4","4","2","3","4","1") = "4"
    & skf21("2","5","4","4","2","3","5","1") = "4"
    & skf21("2","5","4","4","2","3","6","1") = "5"
    & skf21("2","5","4","4","2","3","7","1") = "6"
    & skf21("2","5","4","4","2","4","1","1") = "4"
    & skf21("2","5","4","4","2","4","2","1") = "4"
    & skf21("2","5","4","4","2","4","3","1") = "4"
    & skf21("2","5","4","4","2","4","4","1") = "4"
    & skf21("2","5","4","4","2","4","5","1") = "4"
    & skf21("2","5","4","4","2","4","6","1") = "5"
    & skf21("2","5","4","4","2","4","7","1") = "6"
    & skf21("2","5","4","4","2","5","1","1") = "4"
    & skf21("2","5","4","4","2","5","2","1") = "4"
    & skf21("2","5","4","4","2","5","3","1") = "4"
    & skf21("2","5","4","4","2","5","4","1") = "4"
    & skf21("2","5","4","4","2","5","5","1") = "4"
    & skf21("2","5","4","4","2","5","6","1") = "5"
    & skf21("2","5","4","4","2","5","7","1") = "6"
    & skf21("2","5","4","4","2","6","1","1") = "5"
    & skf21("2","5","4","4","2","6","2","1") = "5"
    & skf21("2","5","4","4","2","6","3","1") = "5"
    & skf21("2","5","4","4","2","6","4","1") = "5"
    & skf21("2","5","4","4","2","6","5","1") = "5"
    & skf21("2","5","4","4","2","6","6","1") = "5"
    & skf21("2","5","4","4","2","6","7","1") = "6"
    & skf21("2","5","4","4","2","7","1","1") = "6"
    & skf21("2","5","4","4","2","7","2","1") = "6"
    & skf21("2","5","4","4","2","7","3","1") = "6"
    & skf21("2","5","4","4","2","7","4","1") = "6"
    & skf21("2","5","4","4","2","7","5","1") = "6"
    & skf21("2","5","4","4","2","7","6","1") = "6"
    & skf21("2","5","4","4","2","7","7","1") = "6"
    & skf21("2","5","4","4","3","1","1","1") = "4"
    & skf21("2","5","4","4","3","1","2","1") = "4"
    & skf21("2","5","4","4","3","1","3","1") = "4"
    & skf21("2","5","4","4","3","1","4","1") = "4"
    & skf21("2","5","4","4","3","1","5","1") = "4"
    & skf21("2","5","4","4","3","1","6","1") = "5"
    & skf21("2","5","4","4","3","1","7","1") = "6"
    & skf21("2","5","4","4","3","2","1","1") = "4"
    & skf21("2","5","4","4","3","2","2","1") = "4"
    & skf21("2","5","4","4","3","2","3","1") = "4"
    & skf21("2","5","4","4","3","2","4","1") = "4"
    & skf21("2","5","4","4","3","2","5","1") = "4"
    & skf21("2","5","4","4","3","2","6","1") = "5"
    & skf21("2","5","4","4","3","2","7","1") = "6"
    & skf21("2","5","4","4","3","3","1","1") = "4"
    & skf21("2","5","4","4","3","3","2","1") = "4"
    & skf21("2","5","4","4","3","3","3","1") = "4"
    & skf21("2","5","4","4","3","3","4","1") = "4"
    & skf21("2","5","4","4","3","3","5","1") = "4"
    & skf21("2","5","4","4","3","3","6","1") = "5"
    & skf21("2","5","4","4","3","3","7","1") = "6"
    & skf21("2","5","4","4","3","4","1","1") = "4"
    & skf21("2","5","4","4","3","4","2","1") = "4"
    & skf21("2","5","4","4","3","4","3","1") = "4"
    & skf21("2","5","4","4","3","4","4","1") = "4"
    & skf21("2","5","4","4","3","4","5","1") = "4"
    & skf21("2","5","4","4","3","4","6","1") = "5"
    & skf21("2","5","4","4","3","4","7","1") = "6"
    & skf21("2","5","4","4","3","5","1","1") = "4"
    & skf21("2","5","4","4","3","5","2","1") = "4"
    & skf21("2","5","4","4","3","5","3","1") = "4"
    & skf21("2","5","4","4","3","5","4","1") = "4"
    & skf21("2","5","4","4","3","5","5","1") = "4"
    & skf21("2","5","4","4","3","5","6","1") = "5"
    & skf21("2","5","4","4","3","5","7","1") = "6"
    & skf21("2","5","4","4","3","6","1","1") = "5"
    & skf21("2","5","4","4","3","6","2","1") = "5"
    & skf21("2","5","4","4","3","6","3","1") = "5"
    & skf21("2","5","4","4","3","6","4","1") = "5"
    & skf21("2","5","4","4","3","6","5","1") = "5"
    & skf21("2","5","4","4","3","6","6","1") = "5"
    & skf21("2","5","4","4","3","6","7","1") = "6"
    & skf21("2","5","4","4","3","7","1","1") = "6"
    & skf21("2","5","4","4","3","7","2","1") = "6"
    & skf21("2","5","4","4","3","7","3","1") = "6"
    & skf21("2","5","4","4","3","7","4","1") = "6"
    & skf21("2","5","4","4","3","7","5","1") = "6"
    & skf21("2","5","4","4","3","7","6","1") = "6"
    & skf21("2","5","4","4","3","7","7","1") = "6"
    & skf21("2","5","4","4","4","1","1","1") = "4"
    & skf21("2","5","4","4","4","1","2","1") = "4"
    & skf21("2","5","4","4","4","1","3","1") = "4"
    & skf21("2","5","4","4","4","1","4","1") = "4"
    & skf21("2","5","4","4","4","1","5","1") = "4"
    & skf21("2","5","4","4","4","1","6","1") = "5"
    & skf21("2","5","4","4","4","1","7","1") = "6"
    & skf21("2","5","4","4","4","2","1","1") = "4"
    & skf21("2","5","4","4","4","2","2","1") = "4"
    & skf21("2","5","4","4","4","2","3","1") = "4"
    & skf21("2","5","4","4","4","2","4","1") = "4"
    & skf21("2","5","4","4","4","2","5","1") = "4"
    & skf21("2","5","4","4","4","2","6","1") = "5"
    & skf21("2","5","4","4","4","2","7","1") = "6"
    & skf21("2","5","4","4","4","3","1","1") = "4"
    & skf21("2","5","4","4","4","3","2","1") = "4"
    & skf21("2","5","4","4","4","3","3","1") = "4"
    & skf21("2","5","4","4","4","3","4","1") = "4"
    & skf21("2","5","4","4","4","3","5","1") = "4"
    & skf21("2","5","4","4","4","3","6","1") = "5"
    & skf21("2","5","4","4","4","3","7","1") = "6"
    & skf21("2","5","4","4","4","4","1","1") = "4"
    & skf21("2","5","4","4","4","4","2","1") = "4"
    & skf21("2","5","4","4","4","4","3","1") = "4"
    & skf21("2","5","4","4","4","4","4","1") = "4"
    & skf21("2","5","4","4","4","4","5","1") = "4"
    & skf21("2","5","4","4","4","4","6","1") = "5"
    & skf21("2","5","4","4","4","4","7","1") = "6"
    & skf21("2","5","4","4","4","5","1","1") = "4"
    & skf21("2","5","4","4","4","5","2","1") = "4"
    & skf21("2","5","4","4","4","5","3","1") = "4"
    & skf21("2","5","4","4","4","5","4","1") = "4"
    & skf21("2","5","4","4","4","5","5","1") = "4"
    & skf21("2","5","4","4","4","5","6","1") = "5"
    & skf21("2","5","4","4","4","5","7","1") = "6"
    & skf21("2","5","4","4","4","6","1","1") = "5"
    & skf21("2","5","4","4","4","6","2","1") = "5"
    & skf21("2","5","4","4","4","6","3","1") = "5"
    & skf21("2","5","4","4","4","6","4","1") = "5"
    & skf21("2","5","4","4","4","6","5","1") = "5"
    & skf21("2","5","4","4","4","6","6","1") = "5"
    & skf21("2","5","4","4","4","6","7","1") = "6"
    & skf21("2","5","4","4","4","7","1","1") = "6"
    & skf21("2","5","4","4","4","7","2","1") = "6"
    & skf21("2","5","4","4","4","7","3","1") = "6"
    & skf21("2","5","4","4","4","7","4","1") = "6"
    & skf21("2","5","4","4","4","7","5","1") = "6"
    & skf21("2","5","4","4","4","7","6","1") = "6"
    & skf21("2","5","4","4","4","7","7","1") = "6"
    & skf21("2","5","4","4","5","1","1","1") = "4"
    & skf21("2","5","4","4","5","1","2","1") = "4"
    & skf21("2","5","4","4","5","1","3","1") = "4"
    & skf21("2","5","4","4","5","1","4","1") = "4"
    & skf21("2","5","4","4","5","1","5","1") = "4"
    & skf21("2","5","4","4","5","1","6","1") = "5"
    & skf21("2","5","4","4","5","1","7","1") = "6"
    & skf21("2","5","4","4","5","2","1","1") = "4"
    & skf21("2","5","4","4","5","2","2","1") = "4"
    & skf21("2","5","4","4","5","2","3","1") = "4"
    & skf21("2","5","4","4","5","2","4","1") = "4"
    & skf21("2","5","4","4","5","2","5","1") = "4"
    & skf21("2","5","4","4","5","2","6","1") = "5"
    & skf21("2","5","4","4","5","2","7","1") = "6"
    & skf21("2","5","4","4","5","3","1","1") = "4"
    & skf21("2","5","4","4","5","3","2","1") = "4"
    & skf21("2","5","4","4","5","3","3","1") = "4"
    & skf21("2","5","4","4","5","3","4","1") = "4"
    & skf21("2","5","4","4","5","3","5","1") = "4"
    & skf21("2","5","4","4","5","3","6","1") = "5"
    & skf21("2","5","4","4","5","3","7","1") = "6"
    & skf21("2","5","4","4","5","4","1","1") = "4"
    & skf21("2","5","4","4","5","4","2","1") = "4"
    & skf21("2","5","4","4","5","4","3","1") = "4"
    & skf21("2","5","4","4","5","4","4","1") = "4"
    & skf21("2","5","4","4","5","4","5","1") = "4"
    & skf21("2","5","4","4","5","4","6","1") = "5"
    & skf21("2","5","4","4","5","4","7","1") = "6"
    & skf21("2","5","4","4","5","5","1","1") = "4"
    & skf21("2","5","4","4","5","5","2","1") = "4"
    & skf21("2","5","4","4","5","5","3","1") = "4"
    & skf21("2","5","4","4","5","5","4","1") = "4"
    & skf21("2","5","4","4","5","5","5","1") = "4"
    & skf21("2","5","4","4","5","5","6","1") = "5"
    & skf21("2","5","4","4","5","5","7","1") = "6"
    & skf21("2","5","4","4","5","6","1","1") = "5"
    & skf21("2","5","4","4","5","6","2","1") = "5"
    & skf21("2","5","4","4","5","6","3","1") = "5"
    & skf21("2","5","4","4","5","6","4","1") = "5"
    & skf21("2","5","4","4","5","6","5","1") = "5"
    & skf21("2","5","4","4","5","6","6","1") = "5"
    & skf21("2","5","4","4","5","6","7","1") = "6"
    & skf21("2","5","4","4","5","7","1","1") = "6"
    & skf21("2","5","4","4","5","7","2","1") = "6"
    & skf21("2","5","4","4","5","7","3","1") = "6"
    & skf21("2","5","4","4","5","7","4","1") = "6"
    & skf21("2","5","4","4","5","7","5","1") = "6"
    & skf21("2","5","4","4","5","7","6","1") = "6"
    & skf21("2","5","4","4","5","7","7","1") = "6"
    & skf21("2","5","4","4","6","1","1","1") = "5"
    & skf21("2","5","4","4","6","1","2","1") = "5"
    & skf21("2","5","4","4","6","1","3","1") = "5"
    & skf21("2","5","4","4","6","1","4","1") = "5"
    & skf21("2","5","4","4","6","1","5","1") = "5"
    & skf21("2","5","4","4","6","1","6","1") = "5"
    & skf21("2","5","4","4","6","1","7","1") = "6"
    & skf21("2","5","4","4","6","2","1","1") = "5"
    & skf21("2","5","4","4","6","2","2","1") = "5"
    & skf21("2","5","4","4","6","2","3","1") = "5"
    & skf21("2","5","4","4","6","2","4","1") = "5"
    & skf21("2","5","4","4","6","2","5","1") = "5"
    & skf21("2","5","4","4","6","2","6","1") = "5"
    & skf21("2","5","4","4","6","2","7","1") = "6"
    & skf21("2","5","4","4","6","3","1","1") = "5"
    & skf21("2","5","4","4","6","3","2","1") = "5"
    & skf21("2","5","4","4","6","3","3","1") = "5"
    & skf21("2","5","4","4","6","3","4","1") = "5"
    & skf21("2","5","4","4","6","3","5","1") = "5"
    & skf21("2","5","4","4","6","3","6","1") = "5"
    & skf21("2","5","4","4","6","3","7","1") = "6"
    & skf21("2","5","4","4","6","4","1","1") = "5"
    & skf21("2","5","4","4","6","4","2","1") = "5"
    & skf21("2","5","4","4","6","4","3","1") = "5"
    & skf21("2","5","4","4","6","4","4","1") = "5"
    & skf21("2","5","4","4","6","4","5","1") = "5"
    & skf21("2","5","4","4","6","4","6","1") = "5"
    & skf21("2","5","4","4","6","4","7","1") = "6"
    & skf21("2","5","4","4","6","5","1","1") = "5"
    & skf21("2","5","4","4","6","5","2","1") = "5"
    & skf21("2","5","4","4","6","5","3","1") = "5"
    & skf21("2","5","4","4","6","5","4","1") = "5"
    & skf21("2","5","4","4","6","5","5","1") = "5"
    & skf21("2","5","4","4","6","5","6","1") = "5"
    & skf21("2","5","4","4","6","5","7","1") = "6"
    & skf21("2","5","4","4","6","6","1","1") = "5"
    & skf21("2","5","4","4","6","6","2","1") = "5"
    & skf21("2","5","4","4","6","6","3","1") = "5"
    & skf21("2","5","4","4","6","6","4","1") = "5"
    & skf21("2","5","4","4","6","6","5","1") = "5"
    & skf21("2","5","4","4","6","6","6","1") = "5"
    & skf21("2","5","4","4","6","6","7","1") = "6"
    & skf21("2","5","4","4","6","7","1","1") = "6"
    & skf21("2","5","4","4","6","7","2","1") = "6"
    & skf21("2","5","4","4","6","7","3","1") = "6"
    & skf21("2","5","4","4","6","7","4","1") = "6"
    & skf21("2","5","4","4","6","7","5","1") = "6"
    & skf21("2","5","4","4","6","7","6","1") = "6"
    & skf21("2","5","4","4","6","7","7","1") = "6"
    & skf21("2","5","4","4","7","1","1","1") = "6"
    & skf21("2","5","4","4","7","1","2","1") = "6"
    & skf21("2","5","4","4","7","1","3","1") = "6"
    & skf21("2","5","4","4","7","1","4","1") = "6"
    & skf21("2","5","4","4","7","1","5","1") = "6"
    & skf21("2","5","4","4","7","1","6","1") = "6"
    & skf21("2","5","4","4","7","1","7","1") = "6"
    & skf21("2","5","4","4","7","2","1","1") = "6"
    & skf21("2","5","4","4","7","2","2","1") = "6"
    & skf21("2","5","4","4","7","2","3","1") = "6"
    & skf21("2","5","4","4","7","2","4","1") = "6"
    & skf21("2","5","4","4","7","2","5","1") = "6"
    & skf21("2","5","4","4","7","2","6","1") = "6"
    & skf21("2","5","4","4","7","2","7","1") = "6"
    & skf21("2","5","4","4","7","3","1","1") = "6"
    & skf21("2","5","4","4","7","3","2","1") = "6"
    & skf21("2","5","4","4","7","3","3","1") = "6"
    & skf21("2","5","4","4","7","3","4","1") = "6"
    & skf21("2","5","4","4","7","3","5","1") = "6"
    & skf21("2","5","4","4","7","3","6","1") = "6"
    & skf21("2","5","4","4","7","3","7","1") = "6"
    & skf21("2","5","4","4","7","4","1","1") = "6"
    & skf21("2","5","4","4","7","4","2","1") = "6"
    & skf21("2","5","4","4","7","4","3","1") = "6"
    & skf21("2","5","4","4","7","4","4","1") = "6"
    & skf21("2","5","4","4","7","4","5","1") = "6"
    & skf21("2","5","4","4","7","4","6","1") = "6"
    & skf21("2","5","4","4","7","4","7","1") = "6"
    & skf21("2","5","4","4","7","5","1","1") = "6"
    & skf21("2","5","4","4","7","5","2","1") = "6"
    & skf21("2","5","4","4","7","5","3","1") = "6"
    & skf21("2","5","4","4","7","5","4","1") = "6"
    & skf21("2","5","4","4","7","5","5","1") = "6"
    & skf21("2","5","4","4","7","5","6","1") = "6"
    & skf21("2","5","4","4","7","5","7","1") = "6"
    & skf21("2","5","4","4","7","6","1","1") = "6"
    & skf21("2","5","4","4","7","6","2","1") = "6"
    & skf21("2","5","4","4","7","6","3","1") = "6"
    & skf21("2","5","4","4","7","6","4","1") = "6"
    & skf21("2","5","4","4","7","6","5","1") = "6"
    & skf21("2","5","4","4","7","6","6","1") = "6"
    & skf21("2","5","4","4","7","6","7","1") = "6"
    & skf21("2","5","4","4","7","7","1","1") = "6"
    & skf21("2","5","4","4","7","7","2","1") = "6"
    & skf21("2","5","4","4","7","7","3","1") = "6"
    & skf21("2","5","4","4","7","7","4","1") = "6"
    & skf21("2","5","4","4","7","7","5","1") = "6"
    & skf21("2","5","4","4","7","7","6","1") = "6"
    & skf21("2","5","4","4","7","7","7","1") = "6"
    & skf21("2","5","4","5","1","1","1","1") = "4"
    & skf21("2","5","4","5","1","1","2","1") = "4"
    & skf21("2","5","4","5","1","1","3","1") = "4"
    & skf21("2","5","4","5","1","1","4","1") = "4"
    & skf21("2","5","4","5","1","1","5","1") = "4"
    & skf21("2","5","4","5","1","1","6","1") = "5"
    & skf21("2","5","4","5","1","1","7","1") = "6"
    & skf21("2","5","4","5","1","2","1","1") = "4"
    & skf21("2","5","4","5","1","2","2","1") = "4"
    & skf21("2","5","4","5","1","2","3","1") = "4"
    & skf21("2","5","4","5","1","2","4","1") = "4"
    & skf21("2","5","4","5","1","2","5","1") = "4"
    & skf21("2","5","4","5","1","2","6","1") = "5"
    & skf21("2","5","4","5","1","2","7","1") = "6"
    & skf21("2","5","4","5","1","3","1","1") = "4"
    & skf21("2","5","4","5","1","3","2","1") = "4"
    & skf21("2","5","4","5","1","3","3","1") = "4"
    & skf21("2","5","4","5","1","3","4","1") = "4"
    & skf21("2","5","4","5","1","3","5","1") = "4"
    & skf21("2","5","4","5","1","3","6","1") = "5"
    & skf21("2","5","4","5","1","3","7","1") = "6"
    & skf21("2","5","4","5","1","4","1","1") = "4"
    & skf21("2","5","4","5","1","4","2","1") = "4"
    & skf21("2","5","4","5","1","4","3","1") = "4"
    & skf21("2","5","4","5","1","4","4","1") = "4"
    & skf21("2","5","4","5","1","4","5","1") = "4"
    & skf21("2","5","4","5","1","4","6","1") = "5"
    & skf21("2","5","4","5","1","4","7","1") = "6"
    & skf21("2","5","4","5","1","5","1","1") = "4"
    & skf21("2","5","4","5","1","5","2","1") = "4"
    & skf21("2","5","4","5","1","5","3","1") = "4"
    & skf21("2","5","4","5","1","5","4","1") = "4"
    & skf21("2","5","4","5","1","5","5","1") = "4"
    & skf21("2","5","4","5","1","5","6","1") = "5"
    & skf21("2","5","4","5","1","5","7","1") = "6"
    & skf21("2","5","4","5","1","6","1","1") = "5"
    & skf21("2","5","4","5","1","6","2","1") = "5"
    & skf21("2","5","4","5","1","6","3","1") = "5"
    & skf21("2","5","4","5","1","6","4","1") = "5"
    & skf21("2","5","4","5","1","6","5","1") = "5"
    & skf21("2","5","4","5","1","6","6","1") = "5"
    & skf21("2","5","4","5","1","6","7","1") = "6"
    & skf21("2","5","4","5","1","7","1","1") = "6"
    & skf21("2","5","4","5","1","7","2","1") = "6"
    & skf21("2","5","4","5","1","7","3","1") = "6"
    & skf21("2","5","4","5","1","7","4","1") = "6"
    & skf21("2","5","4","5","1","7","5","1") = "6"
    & skf21("2","5","4","5","1","7","6","1") = "6"
    & skf21("2","5","4","5","1","7","7","1") = "6"
    & skf21("2","5","4","5","2","1","1","1") = "4"
    & skf21("2","5","4","5","2","1","2","1") = "4"
    & skf21("2","5","4","5","2","1","3","1") = "4"
    & skf21("2","5","4","5","2","1","4","1") = "4"
    & skf21("2","5","4","5","2","1","5","1") = "4"
    & skf21("2","5","4","5","2","1","6","1") = "5"
    & skf21("2","5","4","5","2","1","7","1") = "6"
    & skf21("2","5","4","5","2","2","1","1") = "4"
    & skf21("2","5","4","5","2","2","2","1") = "4"
    & skf21("2","5","4","5","2","2","3","1") = "4"
    & skf21("2","5","4","5","2","2","4","1") = "4"
    & skf21("2","5","4","5","2","2","5","1") = "4"
    & skf21("2","5","4","5","2","2","6","1") = "5"
    & skf21("2","5","4","5","2","2","7","1") = "6"
    & skf21("2","5","4","5","2","3","1","1") = "4"
    & skf21("2","5","4","5","2","3","2","1") = "4"
    & skf21("2","5","4","5","2","3","3","1") = "4"
    & skf21("2","5","4","5","2","3","4","1") = "4"
    & skf21("2","5","4","5","2","3","5","1") = "4"
    & skf21("2","5","4","5","2","3","6","1") = "5"
    & skf21("2","5","4","5","2","3","7","1") = "6"
    & skf21("2","5","4","5","2","4","1","1") = "4"
    & skf21("2","5","4","5","2","4","2","1") = "4"
    & skf21("2","5","4","5","2","4","3","1") = "4"
    & skf21("2","5","4","5","2","4","4","1") = "4"
    & skf21("2","5","4","5","2","4","5","1") = "4"
    & skf21("2","5","4","5","2","4","6","1") = "5"
    & skf21("2","5","4","5","2","4","7","1") = "6"
    & skf21("2","5","4","5","2","5","1","1") = "4"
    & skf21("2","5","4","5","2","5","2","1") = "4"
    & skf21("2","5","4","5","2","5","3","1") = "4"
    & skf21("2","5","4","5","2","5","4","1") = "4"
    & skf21("2","5","4","5","2","5","5","1") = "4"
    & skf21("2","5","4","5","2","5","6","1") = "5"
    & skf21("2","5","4","5","2","5","7","1") = "6"
    & skf21("2","5","4","5","2","6","1","1") = "5"
    & skf21("2","5","4","5","2","6","2","1") = "5"
    & skf21("2","5","4","5","2","6","3","1") = "5"
    & skf21("2","5","4","5","2","6","4","1") = "5"
    & skf21("2","5","4","5","2","6","5","1") = "5"
    & skf21("2","5","4","5","2","6","6","1") = "5"
    & skf21("2","5","4","5","2","6","7","1") = "6"
    & skf21("2","5","4","5","2","7","1","1") = "6"
    & skf21("2","5","4","5","2","7","2","1") = "6"
    & skf21("2","5","4","5","2","7","3","1") = "6"
    & skf21("2","5","4","5","2","7","4","1") = "6"
    & skf21("2","5","4","5","2","7","5","1") = "6"
    & skf21("2","5","4","5","2","7","6","1") = "6"
    & skf21("2","5","4","5","2","7","7","1") = "6"
    & skf21("2","5","4","5","3","1","1","1") = "4"
    & skf21("2","5","4","5","3","1","2","1") = "4"
    & skf21("2","5","4","5","3","1","3","1") = "4"
    & skf21("2","5","4","5","3","1","4","1") = "4"
    & skf21("2","5","4","5","3","1","5","1") = "4"
    & skf21("2","5","4","5","3","1","6","1") = "5"
    & skf21("2","5","4","5","3","1","7","1") = "6"
    & skf21("2","5","4","5","3","2","1","1") = "4"
    & skf21("2","5","4","5","3","2","2","1") = "4"
    & skf21("2","5","4","5","3","2","3","1") = "4"
    & skf21("2","5","4","5","3","2","4","1") = "4"
    & skf21("2","5","4","5","3","2","5","1") = "4"
    & skf21("2","5","4","5","3","2","6","1") = "5"
    & skf21("2","5","4","5","3","2","7","1") = "6"
    & skf21("2","5","4","5","3","3","1","1") = "4"
    & skf21("2","5","4","5","3","3","2","1") = "4"
    & skf21("2","5","4","5","3","3","3","1") = "4"
    & skf21("2","5","4","5","3","3","4","1") = "4"
    & skf21("2","5","4","5","3","3","5","1") = "4"
    & skf21("2","5","4","5","3","3","6","1") = "5"
    & skf21("2","5","4","5","3","3","7","1") = "6"
    & skf21("2","5","4","5","3","4","1","1") = "4"
    & skf21("2","5","4","5","3","4","2","1") = "4"
    & skf21("2","5","4","5","3","4","3","1") = "4"
    & skf21("2","5","4","5","3","4","4","1") = "4"
    & skf21("2","5","4","5","3","4","5","1") = "4"
    & skf21("2","5","4","5","3","4","6","1") = "5"
    & skf21("2","5","4","5","3","4","7","1") = "6"
    & skf21("2","5","4","5","3","5","1","1") = "4"
    & skf21("2","5","4","5","3","5","2","1") = "4"
    & skf21("2","5","4","5","3","5","3","1") = "4"
    & skf21("2","5","4","5","3","5","4","1") = "4"
    & skf21("2","5","4","5","3","5","5","1") = "4"
    & skf21("2","5","4","5","3","5","6","1") = "5"
    & skf21("2","5","4","5","3","5","7","1") = "6"
    & skf21("2","5","4","5","3","6","1","1") = "5"
    & skf21("2","5","4","5","3","6","2","1") = "5"
    & skf21("2","5","4","5","3","6","3","1") = "5"
    & skf21("2","5","4","5","3","6","4","1") = "5"
    & skf21("2","5","4","5","3","6","5","1") = "5"
    & skf21("2","5","4","5","3","6","6","1") = "5"
    & skf21("2","5","4","5","3","6","7","1") = "6"
    & skf21("2","5","4","5","3","7","1","1") = "6"
    & skf21("2","5","4","5","3","7","2","1") = "6"
    & skf21("2","5","4","5","3","7","3","1") = "6"
    & skf21("2","5","4","5","3","7","4","1") = "6"
    & skf21("2","5","4","5","3","7","5","1") = "6"
    & skf21("2","5","4","5","3","7","6","1") = "6"
    & skf21("2","5","4","5","3","7","7","1") = "6"
    & skf21("2","5","4","5","4","1","1","1") = "4"
    & skf21("2","5","4","5","4","1","2","1") = "4"
    & skf21("2","5","4","5","4","1","3","1") = "4"
    & skf21("2","5","4","5","4","1","4","1") = "4"
    & skf21("2","5","4","5","4","1","5","1") = "4"
    & skf21("2","5","4","5","4","1","6","1") = "5"
    & skf21("2","5","4","5","4","1","7","1") = "6"
    & skf21("2","5","4","5","4","2","1","1") = "4"
    & skf21("2","5","4","5","4","2","2","1") = "4"
    & skf21("2","5","4","5","4","2","3","1") = "4"
    & skf21("2","5","4","5","4","2","4","1") = "4"
    & skf21("2","5","4","5","4","2","5","1") = "4"
    & skf21("2","5","4","5","4","2","6","1") = "5"
    & skf21("2","5","4","5","4","2","7","1") = "6"
    & skf21("2","5","4","5","4","3","1","1") = "4"
    & skf21("2","5","4","5","4","3","2","1") = "4"
    & skf21("2","5","4","5","4","3","3","1") = "4"
    & skf21("2","5","4","5","4","3","4","1") = "4"
    & skf21("2","5","4","5","4","3","5","1") = "4"
    & skf21("2","5","4","5","4","3","6","1") = "5"
    & skf21("2","5","4","5","4","3","7","1") = "6"
    & skf21("2","5","4","5","4","4","1","1") = "4"
    & skf21("2","5","4","5","4","4","2","1") = "4"
    & skf21("2","5","4","5","4","4","3","1") = "4"
    & skf21("2","5","4","5","4","4","4","1") = "4"
    & skf21("2","5","4","5","4","4","5","1") = "4"
    & skf21("2","5","4","5","4","4","6","1") = "5"
    & skf21("2","5","4","5","4","4","7","1") = "6"
    & skf21("2","5","4","5","4","5","1","1") = "4"
    & skf21("2","5","4","5","4","5","2","1") = "4"
    & skf21("2","5","4","5","4","5","3","1") = "4"
    & skf21("2","5","4","5","4","5","4","1") = "4"
    & skf21("2","5","4","5","4","5","5","1") = "4"
    & skf21("2","5","4","5","4","5","6","1") = "5"
    & skf21("2","5","4","5","4","5","7","1") = "6"
    & skf21("2","5","4","5","4","6","1","1") = "5"
    & skf21("2","5","4","5","4","6","2","1") = "5"
    & skf21("2","5","4","5","4","6","3","1") = "5"
    & skf21("2","5","4","5","4","6","4","1") = "5"
    & skf21("2","5","4","5","4","6","5","1") = "5"
    & skf21("2","5","4","5","4","6","6","1") = "5"
    & skf21("2","5","4","5","4","6","7","1") = "6"
    & skf21("2","5","4","5","4","7","1","1") = "6"
    & skf21("2","5","4","5","4","7","2","1") = "6"
    & skf21("2","5","4","5","4","7","3","1") = "6"
    & skf21("2","5","4","5","4","7","4","1") = "6"
    & skf21("2","5","4","5","4","7","5","1") = "6"
    & skf21("2","5","4","5","4","7","6","1") = "6"
    & skf21("2","5","4","5","4","7","7","1") = "6"
    & skf21("2","5","4","5","5","1","1","1") = "4"
    & skf21("2","5","4","5","5","1","2","1") = "4"
    & skf21("2","5","4","5","5","1","3","1") = "4"
    & skf21("2","5","4","5","5","1","4","1") = "4"
    & skf21("2","5","4","5","5","1","5","1") = "4"
    & skf21("2","5","4","5","5","1","6","1") = "5"
    & skf21("2","5","4","5","5","1","7","1") = "6"
    & skf21("2","5","4","5","5","2","1","1") = "4"
    & skf21("2","5","4","5","5","2","2","1") = "4"
    & skf21("2","5","4","5","5","2","3","1") = "4"
    & skf21("2","5","4","5","5","2","4","1") = "4"
    & skf21("2","5","4","5","5","2","5","1") = "4"
    & skf21("2","5","4","5","5","2","6","1") = "5"
    & skf21("2","5","4","5","5","2","7","1") = "6"
    & skf21("2","5","4","5","5","3","1","1") = "4"
    & skf21("2","5","4","5","5","3","2","1") = "4"
    & skf21("2","5","4","5","5","3","3","1") = "4"
    & skf21("2","5","4","5","5","3","4","1") = "4"
    & skf21("2","5","4","5","5","3","5","1") = "4"
    & skf21("2","5","4","5","5","3","6","1") = "5"
    & skf21("2","5","4","5","5","3","7","1") = "6"
    & skf21("2","5","4","5","5","4","1","1") = "4"
    & skf21("2","5","4","5","5","4","2","1") = "4"
    & skf21("2","5","4","5","5","4","3","1") = "4"
    & skf21("2","5","4","5","5","4","4","1") = "4"
    & skf21("2","5","4","5","5","4","5","1") = "4"
    & skf21("2","5","4","5","5","4","6","1") = "5"
    & skf21("2","5","4","5","5","4","7","1") = "6"
    & skf21("2","5","4","5","5","5","1","1") = "4"
    & skf21("2","5","4","5","5","5","2","1") = "4"
    & skf21("2","5","4","5","5","5","3","1") = "4"
    & skf21("2","5","4","5","5","5","4","1") = "4"
    & skf21("2","5","4","5","5","5","5","1") = "4"
    & skf21("2","5","4","5","5","5","6","1") = "5"
    & skf21("2","5","4","5","5","5","7","1") = "6"
    & skf21("2","5","4","5","5","6","1","1") = "5"
    & skf21("2","5","4","5","5","6","2","1") = "5"
    & skf21("2","5","4","5","5","6","3","1") = "5"
    & skf21("2","5","4","5","5","6","4","1") = "5"
    & skf21("2","5","4","5","5","6","5","1") = "5"
    & skf21("2","5","4","5","5","6","6","1") = "5"
    & skf21("2","5","4","5","5","6","7","1") = "6"
    & skf21("2","5","4","5","5","7","1","1") = "6"
    & skf21("2","5","4","5","5","7","2","1") = "6"
    & skf21("2","5","4","5","5","7","3","1") = "6"
    & skf21("2","5","4","5","5","7","4","1") = "6"
    & skf21("2","5","4","5","5","7","5","1") = "6"
    & skf21("2","5","4","5","5","7","6","1") = "6"
    & skf21("2","5","4","5","5","7","7","1") = "6"
    & skf21("2","5","4","5","6","1","1","1") = "5"
    & skf21("2","5","4","5","6","1","2","1") = "5"
    & skf21("2","5","4","5","6","1","3","1") = "5"
    & skf21("2","5","4","5","6","1","4","1") = "5"
    & skf21("2","5","4","5","6","1","5","1") = "5"
    & skf21("2","5","4","5","6","1","6","1") = "5"
    & skf21("2","5","4","5","6","1","7","1") = "6"
    & skf21("2","5","4","5","6","2","1","1") = "5"
    & skf21("2","5","4","5","6","2","2","1") = "5"
    & skf21("2","5","4","5","6","2","3","1") = "5"
    & skf21("2","5","4","5","6","2","4","1") = "5"
    & skf21("2","5","4","5","6","2","5","1") = "5"
    & skf21("2","5","4","5","6","2","6","1") = "5"
    & skf21("2","5","4","5","6","2","7","1") = "6"
    & skf21("2","5","4","5","6","3","1","1") = "5"
    & skf21("2","5","4","5","6","3","2","1") = "5"
    & skf21("2","5","4","5","6","3","3","1") = "5"
    & skf21("2","5","4","5","6","3","4","1") = "5"
    & skf21("2","5","4","5","6","3","5","1") = "5"
    & skf21("2","5","4","5","6","3","6","1") = "5"
    & skf21("2","5","4","5","6","3","7","1") = "6"
    & skf21("2","5","4","5","6","4","1","1") = "5"
    & skf21("2","5","4","5","6","4","2","1") = "5"
    & skf21("2","5","4","5","6","4","3","1") = "5"
    & skf21("2","5","4","5","6","4","4","1") = "5"
    & skf21("2","5","4","5","6","4","5","1") = "5"
    & skf21("2","5","4","5","6","4","6","1") = "5"
    & skf21("2","5","4","5","6","4","7","1") = "6"
    & skf21("2","5","4","5","6","5","1","1") = "5"
    & skf21("2","5","4","5","6","5","2","1") = "5"
    & skf21("2","5","4","5","6","5","3","1") = "5"
    & skf21("2","5","4","5","6","5","4","1") = "5"
    & skf21("2","5","4","5","6","5","5","1") = "5"
    & skf21("2","5","4","5","6","5","6","1") = "5"
    & skf21("2","5","4","5","6","5","7","1") = "6"
    & skf21("2","5","4","5","6","6","1","1") = "5"
    & skf21("2","5","4","5","6","6","2","1") = "5"
    & skf21("2","5","4","5","6","6","3","1") = "5"
    & skf21("2","5","4","5","6","6","4","1") = "5"
    & skf21("2","5","4","5","6","6","5","1") = "5"
    & skf21("2","5","4","5","6","6","6","1") = "5"
    & skf21("2","5","4","5","6","6","7","1") = "6"
    & skf21("2","5","4","5","6","7","1","1") = "6"
    & skf21("2","5","4","5","6","7","2","1") = "6"
    & skf21("2","5","4","5","6","7","3","1") = "6"
    & skf21("2","5","4","5","6","7","4","1") = "6"
    & skf21("2","5","4","5","6","7","5","1") = "6"
    & skf21("2","5","4","5","6","7","6","1") = "6"
    & skf21("2","5","4","5","6","7","7","1") = "6"
    & skf21("2","5","4","5","7","1","1","1") = "6"
    & skf21("2","5","4","5","7","1","2","1") = "6"
    & skf21("2","5","4","5","7","1","3","1") = "6"
    & skf21("2","5","4","5","7","1","4","1") = "6"
    & skf21("2","5","4","5","7","1","5","1") = "6"
    & skf21("2","5","4","5","7","1","6","1") = "6"
    & skf21("2","5","4","5","7","1","7","1") = "6"
    & skf21("2","5","4","5","7","2","1","1") = "6"
    & skf21("2","5","4","5","7","2","2","1") = "6"
    & skf21("2","5","4","5","7","2","3","1") = "6"
    & skf21("2","5","4","5","7","2","4","1") = "6"
    & skf21("2","5","4","5","7","2","5","1") = "6"
    & skf21("2","5","4","5","7","2","6","1") = "6"
    & skf21("2","5","4","5","7","2","7","1") = "6"
    & skf21("2","5","4","5","7","3","1","1") = "6"
    & skf21("2","5","4","5","7","3","2","1") = "6"
    & skf21("2","5","4","5","7","3","3","1") = "6"
    & skf21("2","5","4","5","7","3","4","1") = "6"
    & skf21("2","5","4","5","7","3","5","1") = "6"
    & skf21("2","5","4","5","7","3","6","1") = "6"
    & skf21("2","5","4","5","7","3","7","1") = "6"
    & skf21("2","5","4","5","7","4","1","1") = "6"
    & skf21("2","5","4","5","7","4","2","1") = "6"
    & skf21("2","5","4","5","7","4","3","1") = "6"
    & skf21("2","5","4","5","7","4","4","1") = "6"
    & skf21("2","5","4","5","7","4","5","1") = "6"
    & skf21("2","5","4","5","7","4","6","1") = "6"
    & skf21("2","5","4","5","7","4","7","1") = "6"
    & skf21("2","5","4","5","7","5","1","1") = "6"
    & skf21("2","5","4","5","7","5","2","1") = "6"
    & skf21("2","5","4","5","7","5","3","1") = "6"
    & skf21("2","5","4","5","7","5","4","1") = "6"
    & skf21("2","5","4","5","7","5","5","1") = "6"
    & skf21("2","5","4","5","7","5","6","1") = "6"
    & skf21("2","5","4","5","7","5","7","1") = "6"
    & skf21("2","5","4","5","7","6","1","1") = "6"
    & skf21("2","5","4","5","7","6","2","1") = "6"
    & skf21("2","5","4","5","7","6","3","1") = "6"
    & skf21("2","5","4","5","7","6","4","1") = "6"
    & skf21("2","5","4","5","7","6","5","1") = "6"
    & skf21("2","5","4","5","7","6","6","1") = "6"
    & skf21("2","5","4","5","7","6","7","1") = "6"
    & skf21("2","5","4","5","7","7","1","1") = "6"
    & skf21("2","5","4","5","7","7","2","1") = "6"
    & skf21("2","5","4","5","7","7","3","1") = "6"
    & skf21("2","5","4","5","7","7","4","1") = "6"
    & skf21("2","5","4","5","7","7","5","1") = "6"
    & skf21("2","5","4","5","7","7","6","1") = "6"
    & skf21("2","5","4","5","7","7","7","1") = "6"
    & skf21("2","5","4","6","1","1","1","1") = "5"
    & skf21("2","5","4","6","1","1","2","1") = "5"
    & skf21("2","5","4","6","1","1","3","1") = "5"
    & skf21("2","5","4","6","1","1","4","1") = "5"
    & skf21("2","5","4","6","1","1","5","1") = "5"
    & skf21("2","5","4","6","1","1","6","1") = "5"
    & skf21("2","5","4","6","1","1","7","1") = "6"
    & skf21("2","5","4","6","1","2","1","1") = "5"
    & skf21("2","5","4","6","1","2","2","1") = "5"
    & skf21("2","5","4","6","1","2","3","1") = "5"
    & skf21("2","5","4","6","1","2","4","1") = "5"
    & skf21("2","5","4","6","1","2","5","1") = "5"
    & skf21("2","5","4","6","1","2","6","1") = "5"
    & skf21("2","5","4","6","1","2","7","1") = "6"
    & skf21("2","5","4","6","1","3","1","1") = "5"
    & skf21("2","5","4","6","1","3","2","1") = "5"
    & skf21("2","5","4","6","1","3","3","1") = "5"
    & skf21("2","5","4","6","1","3","4","1") = "5"
    & skf21("2","5","4","6","1","3","5","1") = "5"
    & skf21("2","5","4","6","1","3","6","1") = "5"
    & skf21("2","5","4","6","1","3","7","1") = "6"
    & skf21("2","5","4","6","1","4","1","1") = "5"
    & skf21("2","5","4","6","1","4","2","1") = "5"
    & skf21("2","5","4","6","1","4","3","1") = "5"
    & skf21("2","5","4","6","1","4","4","1") = "5"
    & skf21("2","5","4","6","1","4","5","1") = "5"
    & skf21("2","5","4","6","1","4","6","1") = "5"
    & skf21("2","5","4","6","1","4","7","1") = "6"
    & skf21("2","5","4","6","1","5","1","1") = "5"
    & skf21("2","5","4","6","1","5","2","1") = "5"
    & skf21("2","5","4","6","1","5","3","1") = "5"
    & skf21("2","5","4","6","1","5","4","1") = "5"
    & skf21("2","5","4","6","1","5","5","1") = "5"
    & skf21("2","5","4","6","1","5","6","1") = "5"
    & skf21("2","5","4","6","1","5","7","1") = "6"
    & skf21("2","5","4","6","1","6","1","1") = "5"
    & skf21("2","5","4","6","1","6","2","1") = "5"
    & skf21("2","5","4","6","1","6","3","1") = "5"
    & skf21("2","5","4","6","1","6","4","1") = "5"
    & skf21("2","5","4","6","1","6","5","1") = "5"
    & skf21("2","5","4","6","1","6","6","1") = "5"
    & skf21("2","5","4","6","1","6","7","1") = "6"
    & skf21("2","5","4","6","1","7","1","1") = "6"
    & skf21("2","5","4","6","1","7","2","1") = "6"
    & skf21("2","5","4","6","1","7","3","1") = "6"
    & skf21("2","5","4","6","1","7","4","1") = "6"
    & skf21("2","5","4","6","1","7","5","1") = "6"
    & skf21("2","5","4","6","1","7","6","1") = "6"
    & skf21("2","5","4","6","1","7","7","1") = "6"
    & skf21("2","5","4","6","2","1","1","1") = "5"
    & skf21("2","5","4","6","2","1","2","1") = "5"
    & skf21("2","5","4","6","2","1","3","1") = "5"
    & skf21("2","5","4","6","2","1","4","1") = "5"
    & skf21("2","5","4","6","2","1","5","1") = "5"
    & skf21("2","5","4","6","2","1","6","1") = "5"
    & skf21("2","5","4","6","2","1","7","1") = "6"
    & skf21("2","5","4","6","2","2","1","1") = "5"
    & skf21("2","5","4","6","2","2","2","1") = "5"
    & skf21("2","5","4","6","2","2","3","1") = "5"
    & skf21("2","5","4","6","2","2","4","1") = "5"
    & skf21("2","5","4","6","2","2","5","1") = "5"
    & skf21("2","5","4","6","2","2","6","1") = "5"
    & skf21("2","5","4","6","2","2","7","1") = "6"
    & skf21("2","5","4","6","2","3","1","1") = "5"
    & skf21("2","5","4","6","2","3","2","1") = "5"
    & skf21("2","5","4","6","2","3","3","1") = "5"
    & skf21("2","5","4","6","2","3","4","1") = "5"
    & skf21("2","5","4","6","2","3","5","1") = "5"
    & skf21("2","5","4","6","2","3","6","1") = "5"
    & skf21("2","5","4","6","2","3","7","1") = "6"
    & skf21("2","5","4","6","2","4","1","1") = "5"
    & skf21("2","5","4","6","2","4","2","1") = "5"
    & skf21("2","5","4","6","2","4","3","1") = "5"
    & skf21("2","5","4","6","2","4","4","1") = "5"
    & skf21("2","5","4","6","2","4","5","1") = "5"
    & skf21("2","5","4","6","2","4","6","1") = "5"
    & skf21("2","5","4","6","2","4","7","1") = "6"
    & skf21("2","5","4","6","2","5","1","1") = "5"
    & skf21("2","5","4","6","2","5","2","1") = "5"
    & skf21("2","5","4","6","2","5","3","1") = "5"
    & skf21("2","5","4","6","2","5","4","1") = "5"
    & skf21("2","5","4","6","2","5","5","1") = "5"
    & skf21("2","5","4","6","2","5","6","1") = "5"
    & skf21("2","5","4","6","2","5","7","1") = "6"
    & skf21("2","5","4","6","2","6","1","1") = "5"
    & skf21("2","5","4","6","2","6","2","1") = "5"
    & skf21("2","5","4","6","2","6","3","1") = "5"
    & skf21("2","5","4","6","2","6","4","1") = "5"
    & skf21("2","5","4","6","2","6","5","1") = "5"
    & skf21("2","5","4","6","2","6","6","1") = "5"
    & skf21("2","5","4","6","2","6","7","1") = "6"
    & skf21("2","5","4","6","2","7","1","1") = "6"
    & skf21("2","5","4","6","2","7","2","1") = "6"
    & skf21("2","5","4","6","2","7","3","1") = "6"
    & skf21("2","5","4","6","2","7","4","1") = "6"
    & skf21("2","5","4","6","2","7","5","1") = "6"
    & skf21("2","5","4","6","2","7","6","1") = "6"
    & skf21("2","5","4","6","2","7","7","1") = "6"
    & skf21("2","5","4","6","3","1","1","1") = "5"
    & skf21("2","5","4","6","3","1","2","1") = "5"
    & skf21("2","5","4","6","3","1","3","1") = "5"
    & skf21("2","5","4","6","3","1","4","1") = "5"
    & skf21("2","5","4","6","3","1","5","1") = "5"
    & skf21("2","5","4","6","3","1","6","1") = "5"
    & skf21("2","5","4","6","3","1","7","1") = "6"
    & skf21("2","5","4","6","3","2","1","1") = "5"
    & skf21("2","5","4","6","3","2","2","1") = "5"
    & skf21("2","5","4","6","3","2","3","1") = "5"
    & skf21("2","5","4","6","3","2","4","1") = "5"
    & skf21("2","5","4","6","3","2","5","1") = "5"
    & skf21("2","5","4","6","3","2","6","1") = "5"
    & skf21("2","5","4","6","3","2","7","1") = "6"
    & skf21("2","5","4","6","3","3","1","1") = "5"
    & skf21("2","5","4","6","3","3","2","1") = "5"
    & skf21("2","5","4","6","3","3","3","1") = "5"
    & skf21("2","5","4","6","3","3","4","1") = "5"
    & skf21("2","5","4","6","3","3","5","1") = "5"
    & skf21("2","5","4","6","3","3","6","1") = "5"
    & skf21("2","5","4","6","3","3","7","1") = "6"
    & skf21("2","5","4","6","3","4","1","1") = "5"
    & skf21("2","5","4","6","3","4","2","1") = "5"
    & skf21("2","5","4","6","3","4","3","1") = "5"
    & skf21("2","5","4","6","3","4","4","1") = "5"
    & skf21("2","5","4","6","3","4","5","1") = "5"
    & skf21("2","5","4","6","3","4","6","1") = "5"
    & skf21("2","5","4","6","3","4","7","1") = "6"
    & skf21("2","5","4","6","3","5","1","1") = "5"
    & skf21("2","5","4","6","3","5","2","1") = "5"
    & skf21("2","5","4","6","3","5","3","1") = "5"
    & skf21("2","5","4","6","3","5","4","1") = "5"
    & skf21("2","5","4","6","3","5","5","1") = "5"
    & skf21("2","5","4","6","3","5","6","1") = "5"
    & skf21("2","5","4","6","3","5","7","1") = "6"
    & skf21("2","5","4","6","3","6","1","1") = "5"
    & skf21("2","5","4","6","3","6","2","1") = "5"
    & skf21("2","5","4","6","3","6","3","1") = "5"
    & skf21("2","5","4","6","3","6","4","1") = "5"
    & skf21("2","5","4","6","3","6","5","1") = "5"
    & skf21("2","5","4","6","3","6","6","1") = "5"
    & skf21("2","5","4","6","3","6","7","1") = "6"
    & skf21("2","5","4","6","3","7","1","1") = "6"
    & skf21("2","5","4","6","3","7","2","1") = "6"
    & skf21("2","5","4","6","3","7","3","1") = "6"
    & skf21("2","5","4","6","3","7","4","1") = "6"
    & skf21("2","5","4","6","3","7","5","1") = "6"
    & skf21("2","5","4","6","3","7","6","1") = "6"
    & skf21("2","5","4","6","3","7","7","1") = "6"
    & skf21("2","5","4","6","4","1","1","1") = "5"
    & skf21("2","5","4","6","4","1","2","1") = "5"
    & skf21("2","5","4","6","4","1","3","1") = "5"
    & skf21("2","5","4","6","4","1","4","1") = "5"
    & skf21("2","5","4","6","4","1","5","1") = "5"
    & skf21("2","5","4","6","4","1","6","1") = "5"
    & skf21("2","5","4","6","4","1","7","1") = "6"
    & skf21("2","5","4","6","4","2","1","1") = "5"
    & skf21("2","5","4","6","4","2","2","1") = "5"
    & skf21("2","5","4","6","4","2","3","1") = "5"
    & skf21("2","5","4","6","4","2","4","1") = "5"
    & skf21("2","5","4","6","4","2","5","1") = "5"
    & skf21("2","5","4","6","4","2","6","1") = "5"
    & skf21("2","5","4","6","4","2","7","1") = "6"
    & skf21("2","5","4","6","4","3","1","1") = "5"
    & skf21("2","5","4","6","4","3","2","1") = "5"
    & skf21("2","5","4","6","4","3","3","1") = "5"
    & skf21("2","5","4","6","4","3","4","1") = "5"
    & skf21("2","5","4","6","4","3","5","1") = "5"
    & skf21("2","5","4","6","4","3","6","1") = "5"
    & skf21("2","5","4","6","4","3","7","1") = "6"
    & skf21("2","5","4","6","4","4","1","1") = "5"
    & skf21("2","5","4","6","4","4","2","1") = "5"
    & skf21("2","5","4","6","4","4","3","1") = "5"
    & skf21("2","5","4","6","4","4","4","1") = "5"
    & skf21("2","5","4","6","4","4","5","1") = "5"
    & skf21("2","5","4","6","4","4","6","1") = "5"
    & skf21("2","5","4","6","4","4","7","1") = "6"
    & skf21("2","5","4","6","4","5","1","1") = "5"
    & skf21("2","5","4","6","4","5","2","1") = "5"
    & skf21("2","5","4","6","4","5","3","1") = "5"
    & skf21("2","5","4","6","4","5","4","1") = "5"
    & skf21("2","5","4","6","4","5","5","1") = "5"
    & skf21("2","5","4","6","4","5","6","1") = "5"
    & skf21("2","5","4","6","4","5","7","1") = "6"
    & skf21("2","5","4","6","4","6","1","1") = "5"
    & skf21("2","5","4","6","4","6","2","1") = "5"
    & skf21("2","5","4","6","4","6","3","1") = "5"
    & skf21("2","5","4","6","4","6","4","1") = "5"
    & skf21("2","5","4","6","4","6","5","1") = "5"
    & skf21("2","5","4","6","4","6","6","1") = "5"
    & skf21("2","5","4","6","4","6","7","1") = "6"
    & skf21("2","5","4","6","4","7","1","1") = "6"
    & skf21("2","5","4","6","4","7","2","1") = "6"
    & skf21("2","5","4","6","4","7","3","1") = "6"
    & skf21("2","5","4","6","4","7","4","1") = "6"
    & skf21("2","5","4","6","4","7","5","1") = "6"
    & skf21("2","5","4","6","4","7","6","1") = "6"
    & skf21("2","5","4","6","4","7","7","1") = "6"
    & skf21("2","5","4","6","5","1","1","1") = "5"
    & skf21("2","5","4","6","5","1","2","1") = "5"
    & skf21("2","5","4","6","5","1","3","1") = "5"
    & skf21("2","5","4","6","5","1","4","1") = "5"
    & skf21("2","5","4","6","5","1","5","1") = "5"
    & skf21("2","5","4","6","5","1","6","1") = "5"
    & skf21("2","5","4","6","5","1","7","1") = "6"
    & skf21("2","5","4","6","5","2","1","1") = "5"
    & skf21("2","5","4","6","5","2","2","1") = "5"
    & skf21("2","5","4","6","5","2","3","1") = "5"
    & skf21("2","5","4","6","5","2","4","1") = "5"
    & skf21("2","5","4","6","5","2","5","1") = "5"
    & skf21("2","5","4","6","5","2","6","1") = "5"
    & skf21("2","5","4","6","5","2","7","1") = "6"
    & skf21("2","5","4","6","5","3","1","1") = "5"
    & skf21("2","5","4","6","5","3","2","1") = "5"
    & skf21("2","5","4","6","5","3","3","1") = "5"
    & skf21("2","5","4","6","5","3","4","1") = "5"
    & skf21("2","5","4","6","5","3","5","1") = "5"
    & skf21("2","5","4","6","5","3","6","1") = "5"
    & skf21("2","5","4","6","5","3","7","1") = "6"
    & skf21("2","5","4","6","5","4","1","1") = "5"
    & skf21("2","5","4","6","5","4","2","1") = "5"
    & skf21("2","5","4","6","5","4","3","1") = "5"
    & skf21("2","5","4","6","5","4","4","1") = "5"
    & skf21("2","5","4","6","5","4","5","1") = "5"
    & skf21("2","5","4","6","5","4","6","1") = "5"
    & skf21("2","5","4","6","5","4","7","1") = "6"
    & skf21("2","5","4","6","5","5","1","1") = "5"
    & skf21("2","5","4","6","5","5","2","1") = "5"
    & skf21("2","5","4","6","5","5","3","1") = "5"
    & skf21("2","5","4","6","5","5","4","1") = "5"
    & skf21("2","5","4","6","5","5","5","1") = "5"
    & skf21("2","5","4","6","5","5","6","1") = "5"
    & skf21("2","5","4","6","5","5","7","1") = "6"
    & skf21("2","5","4","6","5","6","1","1") = "5"
    & skf21("2","5","4","6","5","6","2","1") = "5"
    & skf21("2","5","4","6","5","6","3","1") = "5"
    & skf21("2","5","4","6","5","6","4","1") = "5"
    & skf21("2","5","4","6","5","6","5","1") = "5"
    & skf21("2","5","4","6","5","6","6","1") = "5"
    & skf21("2","5","4","6","5","6","7","1") = "6"
    & skf21("2","5","4","6","5","7","1","1") = "6"
    & skf21("2","5","4","6","5","7","2","1") = "6"
    & skf21("2","5","4","6","5","7","3","1") = "6"
    & skf21("2","5","4","6","5","7","4","1") = "6"
    & skf21("2","5","4","6","5","7","5","1") = "6"
    & skf21("2","5","4","6","5","7","6","1") = "6"
    & skf21("2","5","4","6","5","7","7","1") = "6"
    & skf21("2","5","4","6","6","1","1","1") = "5"
    & skf21("2","5","4","6","6","1","2","1") = "5"
    & skf21("2","5","4","6","6","1","3","1") = "5"
    & skf21("2","5","4","6","6","1","4","1") = "5"
    & skf21("2","5","4","6","6","1","5","1") = "5"
    & skf21("2","5","4","6","6","1","6","1") = "5"
    & skf21("2","5","4","6","6","1","7","1") = "6"
    & skf21("2","5","4","6","6","2","1","1") = "5"
    & skf21("2","5","4","6","6","2","2","1") = "5"
    & skf21("2","5","4","6","6","2","3","1") = "5"
    & skf21("2","5","4","6","6","2","4","1") = "5"
    & skf21("2","5","4","6","6","2","5","1") = "5"
    & skf21("2","5","4","6","6","2","6","1") = "5"
    & skf21("2","5","4","6","6","2","7","1") = "6"
    & skf21("2","5","4","6","6","3","1","1") = "5"
    & skf21("2","5","4","6","6","3","2","1") = "5"
    & skf21("2","5","4","6","6","3","3","1") = "5"
    & skf21("2","5","4","6","6","3","4","1") = "5"
    & skf21("2","5","4","6","6","3","5","1") = "5"
    & skf21("2","5","4","6","6","3","6","1") = "5"
    & skf21("2","5","4","6","6","3","7","1") = "6"
    & skf21("2","5","4","6","6","4","1","1") = "5"
    & skf21("2","5","4","6","6","4","2","1") = "5"
    & skf21("2","5","4","6","6","4","3","1") = "5"
    & skf21("2","5","4","6","6","4","4","1") = "5"
    & skf21("2","5","4","6","6","4","5","1") = "5"
    & skf21("2","5","4","6","6","4","6","1") = "5"
    & skf21("2","5","4","6","6","4","7","1") = "6"
    & skf21("2","5","4","6","6","5","1","1") = "5"
    & skf21("2","5","4","6","6","5","2","1") = "5"
    & skf21("2","5","4","6","6","5","3","1") = "5"
    & skf21("2","5","4","6","6","5","4","1") = "5"
    & skf21("2","5","4","6","6","5","5","1") = "5"
    & skf21("2","5","4","6","6","5","6","1") = "5"
    & skf21("2","5","4","6","6","5","7","1") = "6"
    & skf21("2","5","4","6","6","6","1","1") = "5"
    & skf21("2","5","4","6","6","6","2","1") = "5"
    & skf21("2","5","4","6","6","6","3","1") = "5"
    & skf21("2","5","4","6","6","6","4","1") = "5"
    & skf21("2","5","4","6","6","6","5","1") = "5"
    & skf21("2","5","4","6","6","6","6","1") = "5"
    & skf21("2","5","4","6","6","6","7","1") = "6"
    & skf21("2","5","4","6","6","7","1","1") = "6"
    & skf21("2","5","4","6","6","7","2","1") = "6"
    & skf21("2","5","4","6","6","7","3","1") = "6"
    & skf21("2","5","4","6","6","7","4","1") = "6"
    & skf21("2","5","4","6","6","7","5","1") = "6"
    & skf21("2","5","4","6","6","7","6","1") = "6"
    & skf21("2","5","4","6","6","7","7","1") = "6"
    & skf21("2","5","4","6","7","1","1","1") = "6"
    & skf21("2","5","4","6","7","1","2","1") = "6"
    & skf21("2","5","4","6","7","1","3","1") = "6"
    & skf21("2","5","4","6","7","1","4","1") = "6"
    & skf21("2","5","4","6","7","1","5","1") = "6"
    & skf21("2","5","4","6","7","1","6","1") = "6"
    & skf21("2","5","4","6","7","1","7","1") = "6"
    & skf21("2","5","4","6","7","2","1","1") = "6"
    & skf21("2","5","4","6","7","2","2","1") = "6"
    & skf21("2","5","4","6","7","2","3","1") = "6"
    & skf21("2","5","4","6","7","2","4","1") = "6"
    & skf21("2","5","4","6","7","2","5","1") = "6"
    & skf21("2","5","4","6","7","2","6","1") = "6"
    & skf21("2","5","4","6","7","2","7","1") = "6"
    & skf21("2","5","4","6","7","3","1","1") = "6"
    & skf21("2","5","4","6","7","3","2","1") = "6"
    & skf21("2","5","4","6","7","3","3","1") = "6"
    & skf21("2","5","4","6","7","3","4","1") = "6"
    & skf21("2","5","4","6","7","3","5","1") = "6"
    & skf21("2","5","4","6","7","3","6","1") = "6"
    & skf21("2","5","4","6","7","3","7","1") = "6"
    & skf21("2","5","4","6","7","4","1","1") = "6"
    & skf21("2","5","4","6","7","4","2","1") = "6"
    & skf21("2","5","4","6","7","4","3","1") = "6"
    & skf21("2","5","4","6","7","4","4","1") = "6"
    & skf21("2","5","4","6","7","4","5","1") = "6"
    & skf21("2","5","4","6","7","4","6","1") = "6"
    & skf21("2","5","4","6","7","4","7","1") = "6"
    & skf21("2","5","4","6","7","5","1","1") = "6"
    & skf21("2","5","4","6","7","5","2","1") = "6"
    & skf21("2","5","4","6","7","5","3","1") = "6"
    & skf21("2","5","4","6","7","5","4","1") = "6"
    & skf21("2","5","4","6","7","5","5","1") = "6"
    & skf21("2","5","4","6","7","5","6","1") = "6"
    & skf21("2","5","4","6","7","5","7","1") = "6"
    & skf21("2","5","4","6","7","6","1","1") = "6"
    & skf21("2","5","4","6","7","6","2","1") = "6"
    & skf21("2","5","4","6","7","6","3","1") = "6"
    & skf21("2","5","4","6","7","6","4","1") = "6"
    & skf21("2","5","4","6","7","6","5","1") = "6"
    & skf21("2","5","4","6","7","6","6","1") = "6"
    & skf21("2","5","4","6","7","6","7","1") = "6"
    & skf21("2","5","4","6","7","7","1","1") = "6"
    & skf21("2","5","4","6","7","7","2","1") = "6"
    & skf21("2","5","4","6","7","7","3","1") = "6"
    & skf21("2","5","4","6","7","7","4","1") = "6"
    & skf21("2","5","4","6","7","7","5","1") = "6"
    & skf21("2","5","4","6","7","7","6","1") = "6"
    & skf21("2","5","4","6","7","7","7","1") = "6"
    & skf21("2","5","4","7","1","1","1","1") = "6"
    & skf21("2","5","4","7","1","1","2","1") = "6"
    & skf21("2","5","4","7","1","1","3","1") = "6"
    & skf21("2","5","4","7","1","1","4","1") = "6"
    & skf21("2","5","4","7","1","1","5","1") = "6"
    & skf21("2","5","4","7","1","1","6","1") = "6"
    & skf21("2","5","4","7","1","1","7","1") = "6"
    & skf21("2","5","4","7","1","2","1","1") = "6"
    & skf21("2","5","4","7","1","2","2","1") = "6"
    & skf21("2","5","4","7","1","2","3","1") = "6"
    & skf21("2","5","4","7","1","2","4","1") = "6"
    & skf21("2","5","4","7","1","2","5","1") = "6"
    & skf21("2","5","4","7","1","2","6","1") = "6"
    & skf21("2","5","4","7","1","2","7","1") = "6"
    & skf21("2","5","4","7","1","3","1","1") = "6"
    & skf21("2","5","4","7","1","3","2","1") = "6"
    & skf21("2","5","4","7","1","3","3","1") = "6"
    & skf21("2","5","4","7","1","3","4","1") = "6"
    & skf21("2","5","4","7","1","3","5","1") = "6"
    & skf21("2","5","4","7","1","3","6","1") = "6"
    & skf21("2","5","4","7","1","3","7","1") = "6"
    & skf21("2","5","4","7","1","4","1","1") = "6"
    & skf21("2","5","4","7","1","4","2","1") = "6"
    & skf21("2","5","4","7","1","4","3","1") = "6"
    & skf21("2","5","4","7","1","4","4","1") = "6"
    & skf21("2","5","4","7","1","4","5","1") = "6"
    & skf21("2","5","4","7","1","4","6","1") = "6"
    & skf21("2","5","4","7","1","4","7","1") = "6"
    & skf21("2","5","4","7","1","5","1","1") = "6"
    & skf21("2","5","4","7","1","5","2","1") = "6"
    & skf21("2","5","4","7","1","5","3","1") = "6"
    & skf21("2","5","4","7","1","5","4","1") = "6"
    & skf21("2","5","4","7","1","5","5","1") = "6"
    & skf21("2","5","4","7","1","5","6","1") = "6"
    & skf21("2","5","4","7","1","5","7","1") = "6"
    & skf21("2","5","4","7","1","6","1","1") = "6"
    & skf21("2","5","4","7","1","6","2","1") = "6"
    & skf21("2","5","4","7","1","6","3","1") = "6"
    & skf21("2","5","4","7","1","6","4","1") = "6"
    & skf21("2","5","4","7","1","6","5","1") = "6"
    & skf21("2","5","4","7","1","6","6","1") = "6"
    & skf21("2","5","4","7","1","6","7","1") = "6"
    & skf21("2","5","4","7","1","7","1","1") = "6"
    & skf21("2","5","4","7","1","7","2","1") = "6"
    & skf21("2","5","4","7","1","7","3","1") = "6"
    & skf21("2","5","4","7","1","7","4","1") = "6"
    & skf21("2","5","4","7","1","7","5","1") = "6"
    & skf21("2","5","4","7","1","7","6","1") = "6"
    & skf21("2","5","4","7","1","7","7","1") = "6"
    & skf21("2","5","4","7","2","1","1","1") = "6"
    & skf21("2","5","4","7","2","1","2","1") = "6"
    & skf21("2","5","4","7","2","1","3","1") = "6"
    & skf21("2","5","4","7","2","1","4","1") = "6"
    & skf21("2","5","4","7","2","1","5","1") = "6"
    & skf21("2","5","4","7","2","1","6","1") = "6"
    & skf21("2","5","4","7","2","1","7","1") = "6"
    & skf21("2","5","4","7","2","2","1","1") = "6"
    & skf21("2","5","4","7","2","2","2","1") = "6"
    & skf21("2","5","4","7","2","2","3","1") = "6"
    & skf21("2","5","4","7","2","2","4","1") = "6"
    & skf21("2","5","4","7","2","2","5","1") = "6"
    & skf21("2","5","4","7","2","2","6","1") = "6"
    & skf21("2","5","4","7","2","2","7","1") = "6"
    & skf21("2","5","4","7","2","3","1","1") = "6"
    & skf21("2","5","4","7","2","3","2","1") = "6"
    & skf21("2","5","4","7","2","3","3","1") = "6"
    & skf21("2","5","4","7","2","3","4","1") = "6"
    & skf21("2","5","4","7","2","3","5","1") = "6"
    & skf21("2","5","4","7","2","3","6","1") = "6"
    & skf21("2","5","4","7","2","3","7","1") = "6"
    & skf21("2","5","4","7","2","4","1","1") = "6"
    & skf21("2","5","4","7","2","4","2","1") = "6"
    & skf21("2","5","4","7","2","4","3","1") = "6"
    & skf21("2","5","4","7","2","4","4","1") = "6"
    & skf21("2","5","4","7","2","4","5","1") = "6"
    & skf21("2","5","4","7","2","4","6","1") = "6"
    & skf21("2","5","4","7","2","4","7","1") = "6"
    & skf21("2","5","4","7","2","5","1","1") = "6"
    & skf21("2","5","4","7","2","5","2","1") = "6"
    & skf21("2","5","4","7","2","5","3","1") = "6"
    & skf21("2","5","4","7","2","5","4","1") = "6"
    & skf21("2","5","4","7","2","5","5","1") = "6"
    & skf21("2","5","4","7","2","5","6","1") = "6"
    & skf21("2","5","4","7","2","5","7","1") = "6"
    & skf21("2","5","4","7","2","6","1","1") = "6"
    & skf21("2","5","4","7","2","6","2","1") = "6"
    & skf21("2","5","4","7","2","6","3","1") = "6"
    & skf21("2","5","4","7","2","6","4","1") = "6"
    & skf21("2","5","4","7","2","6","5","1") = "6"
    & skf21("2","5","4","7","2","6","6","1") = "6"
    & skf21("2","5","4","7","2","6","7","1") = "6"
    & skf21("2","5","4","7","2","7","1","1") = "6"
    & skf21("2","5","4","7","2","7","2","1") = "6"
    & skf21("2","5","4","7","2","7","3","1") = "6"
    & skf21("2","5","4","7","2","7","4","1") = "6"
    & skf21("2","5","4","7","2","7","5","1") = "6"
    & skf21("2","5","4","7","2","7","6","1") = "6"
    & skf21("2","5","4","7","2","7","7","1") = "6"
    & skf21("2","5","4","7","3","1","1","1") = "6"
    & skf21("2","5","4","7","3","1","2","1") = "6"
    & skf21("2","5","4","7","3","1","3","1") = "6"
    & skf21("2","5","4","7","3","1","4","1") = "6"
    & skf21("2","5","4","7","3","1","5","1") = "6"
    & skf21("2","5","4","7","3","1","6","1") = "6"
    & skf21("2","5","4","7","3","1","7","1") = "6"
    & skf21("2","5","4","7","3","2","1","1") = "6"
    & skf21("2","5","4","7","3","2","2","1") = "6"
    & skf21("2","5","4","7","3","2","3","1") = "6"
    & skf21("2","5","4","7","3","2","4","1") = "6"
    & skf21("2","5","4","7","3","2","5","1") = "6"
    & skf21("2","5","4","7","3","2","6","1") = "6"
    & skf21("2","5","4","7","3","2","7","1") = "6"
    & skf21("2","5","4","7","3","3","1","1") = "6"
    & skf21("2","5","4","7","3","3","2","1") = "6"
    & skf21("2","5","4","7","3","3","3","1") = "6"
    & skf21("2","5","4","7","3","3","4","1") = "6"
    & skf21("2","5","4","7","3","3","5","1") = "6"
    & skf21("2","5","4","7","3","3","6","1") = "6"
    & skf21("2","5","4","7","3","3","7","1") = "6"
    & skf21("2","5","4","7","3","4","1","1") = "6"
    & skf21("2","5","4","7","3","4","2","1") = "6"
    & skf21("2","5","4","7","3","4","3","1") = "6"
    & skf21("2","5","4","7","3","4","4","1") = "6"
    & skf21("2","5","4","7","3","4","5","1") = "6"
    & skf21("2","5","4","7","3","4","6","1") = "6"
    & skf21("2","5","4","7","3","4","7","1") = "6"
    & skf21("2","5","4","7","3","5","1","1") = "6"
    & skf21("2","5","4","7","3","5","2","1") = "6"
    & skf21("2","5","4","7","3","5","3","1") = "6"
    & skf21("2","5","4","7","3","5","4","1") = "6"
    & skf21("2","5","4","7","3","5","5","1") = "6"
    & skf21("2","5","4","7","3","5","6","1") = "6"
    & skf21("2","5","4","7","3","5","7","1") = "6"
    & skf21("2","5","4","7","3","6","1","1") = "6"
    & skf21("2","5","4","7","3","6","2","1") = "6"
    & skf21("2","5","4","7","3","6","3","1") = "6"
    & skf21("2","5","4","7","3","6","4","1") = "6"
    & skf21("2","5","4","7","3","6","5","1") = "6"
    & skf21("2","5","4","7","3","6","6","1") = "6"
    & skf21("2","5","4","7","3","6","7","1") = "6"
    & skf21("2","5","4","7","3","7","1","1") = "6"
    & skf21("2","5","4","7","3","7","2","1") = "6"
    & skf21("2","5","4","7","3","7","3","1") = "6"
    & skf21("2","5","4","7","3","7","4","1") = "6"
    & skf21("2","5","4","7","3","7","5","1") = "6"
    & skf21("2","5","4","7","3","7","6","1") = "6"
    & skf21("2","5","4","7","3","7","7","1") = "6"
    & skf21("2","5","4","7","4","1","1","1") = "6"
    & skf21("2","5","4","7","4","1","2","1") = "6"
    & skf21("2","5","4","7","4","1","3","1") = "6"
    & skf21("2","5","4","7","4","1","4","1") = "6"
    & skf21("2","5","4","7","4","1","5","1") = "6"
    & skf21("2","5","4","7","4","1","6","1") = "6"
    & skf21("2","5","4","7","4","1","7","1") = "6"
    & skf21("2","5","4","7","4","2","1","1") = "6"
    & skf21("2","5","4","7","4","2","2","1") = "6"
    & skf21("2","5","4","7","4","2","3","1") = "6"
    & skf21("2","5","4","7","4","2","4","1") = "6"
    & skf21("2","5","4","7","4","2","5","1") = "6"
    & skf21("2","5","4","7","4","2","6","1") = "6"
    & skf21("2","5","4","7","4","2","7","1") = "6"
    & skf21("2","5","4","7","4","3","1","1") = "6"
    & skf21("2","5","4","7","4","3","2","1") = "6"
    & skf21("2","5","4","7","4","3","3","1") = "6"
    & skf21("2","5","4","7","4","3","4","1") = "6"
    & skf21("2","5","4","7","4","3","5","1") = "6"
    & skf21("2","5","4","7","4","3","6","1") = "6"
    & skf21("2","5","4","7","4","3","7","1") = "6"
    & skf21("2","5","4","7","4","4","1","1") = "6"
    & skf21("2","5","4","7","4","4","2","1") = "6"
    & skf21("2","5","4","7","4","4","3","1") = "6"
    & skf21("2","5","4","7","4","4","4","1") = "6"
    & skf21("2","5","4","7","4","4","5","1") = "6"
    & skf21("2","5","4","7","4","4","6","1") = "6"
    & skf21("2","5","4","7","4","4","7","1") = "6"
    & skf21("2","5","4","7","4","5","1","1") = "6"
    & skf21("2","5","4","7","4","5","2","1") = "6"
    & skf21("2","5","4","7","4","5","3","1") = "6"
    & skf21("2","5","4","7","4","5","4","1") = "6"
    & skf21("2","5","4","7","4","5","5","1") = "6"
    & skf21("2","5","4","7","4","5","6","1") = "6"
    & skf21("2","5","4","7","4","5","7","1") = "6"
    & skf21("2","5","4","7","4","6","1","1") = "6"
    & skf21("2","5","4","7","4","6","2","1") = "6"
    & skf21("2","5","4","7","4","6","3","1") = "6"
    & skf21("2","5","4","7","4","6","4","1") = "6"
    & skf21("2","5","4","7","4","6","5","1") = "6"
    & skf21("2","5","4","7","4","6","6","1") = "6"
    & skf21("2","5","4","7","4","6","7","1") = "6"
    & skf21("2","5","4","7","4","7","1","1") = "6"
    & skf21("2","5","4","7","4","7","2","1") = "6"
    & skf21("2","5","4","7","4","7","3","1") = "6"
    & skf21("2","5","4","7","4","7","4","1") = "6"
    & skf21("2","5","4","7","4","7","5","1") = "6"
    & skf21("2","5","4","7","4","7","6","1") = "6"
    & skf21("2","5","4","7","4","7","7","1") = "6"
    & skf21("2","5","4","7","5","1","1","1") = "6"
    & skf21("2","5","4","7","5","1","2","1") = "6"
    & skf21("2","5","4","7","5","1","3","1") = "6"
    & skf21("2","5","4","7","5","1","4","1") = "6"
    & skf21("2","5","4","7","5","1","5","1") = "6"
    & skf21("2","5","4","7","5","1","6","1") = "6"
    & skf21("2","5","4","7","5","1","7","1") = "6"
    & skf21("2","5","4","7","5","2","1","1") = "6"
    & skf21("2","5","4","7","5","2","2","1") = "6"
    & skf21("2","5","4","7","5","2","3","1") = "6"
    & skf21("2","5","4","7","5","2","4","1") = "6"
    & skf21("2","5","4","7","5","2","5","1") = "6"
    & skf21("2","5","4","7","5","2","6","1") = "6"
    & skf21("2","5","4","7","5","2","7","1") = "6"
    & skf21("2","5","4","7","5","3","1","1") = "6"
    & skf21("2","5","4","7","5","3","2","1") = "6"
    & skf21("2","5","4","7","5","3","3","1") = "6"
    & skf21("2","5","4","7","5","3","4","1") = "6"
    & skf21("2","5","4","7","5","3","5","1") = "6"
    & skf21("2","5","4","7","5","3","6","1") = "6"
    & skf21("2","5","4","7","5","3","7","1") = "6"
    & skf21("2","5","4","7","5","4","1","1") = "6"
    & skf21("2","5","4","7","5","4","2","1") = "6"
    & skf21("2","5","4","7","5","4","3","1") = "6"
    & skf21("2","5","4","7","5","4","4","1") = "6"
    & skf21("2","5","4","7","5","4","5","1") = "6"
    & skf21("2","5","4","7","5","4","6","1") = "6"
    & skf21("2","5","4","7","5","4","7","1") = "6"
    & skf21("2","5","4","7","5","5","1","1") = "6"
    & skf21("2","5","4","7","5","5","2","1") = "6"
    & skf21("2","5","4","7","5","5","3","1") = "6"
    & skf21("2","5","4","7","5","5","4","1") = "6"
    & skf21("2","5","4","7","5","5","5","1") = "6"
    & skf21("2","5","4","7","5","5","6","1") = "6"
    & skf21("2","5","4","7","5","5","7","1") = "6"
    & skf21("2","5","4","7","5","6","1","1") = "6"
    & skf21("2","5","4","7","5","6","2","1") = "6"
    & skf21("2","5","4","7","5","6","3","1") = "6"
    & skf21("2","5","4","7","5","6","4","1") = "6"
    & skf21("2","5","4","7","5","6","5","1") = "6"
    & skf21("2","5","4","7","5","6","6","1") = "6"
    & skf21("2","5","4","7","5","6","7","1") = "6"
    & skf21("2","5","4","7","5","7","1","1") = "6"
    & skf21("2","5","4","7","5","7","2","1") = "6"
    & skf21("2","5","4","7","5","7","3","1") = "6"
    & skf21("2","5","4","7","5","7","4","1") = "6"
    & skf21("2","5","4","7","5","7","5","1") = "6"
    & skf21("2","5","4","7","5","7","6","1") = "6"
    & skf21("2","5","4","7","5","7","7","1") = "6"
    & skf21("2","5","4","7","6","1","1","1") = "6"
    & skf21("2","5","4","7","6","1","2","1") = "6"
    & skf21("2","5","4","7","6","1","3","1") = "6"
    & skf21("2","5","4","7","6","1","4","1") = "6"
    & skf21("2","5","4","7","6","1","5","1") = "6"
    & skf21("2","5","4","7","6","1","6","1") = "6"
    & skf21("2","5","4","7","6","1","7","1") = "6"
    & skf21("2","5","4","7","6","2","1","1") = "6"
    & skf21("2","5","4","7","6","2","2","1") = "6"
    & skf21("2","5","4","7","6","2","3","1") = "6"
    & skf21("2","5","4","7","6","2","4","1") = "6"
    & skf21("2","5","4","7","6","2","5","1") = "6"
    & skf21("2","5","4","7","6","2","6","1") = "6"
    & skf21("2","5","4","7","6","2","7","1") = "6"
    & skf21("2","5","4","7","6","3","1","1") = "6"
    & skf21("2","5","4","7","6","3","2","1") = "6"
    & skf21("2","5","4","7","6","3","3","1") = "6"
    & skf21("2","5","4","7","6","3","4","1") = "6"
    & skf21("2","5","4","7","6","3","5","1") = "6"
    & skf21("2","5","4","7","6","3","6","1") = "6"
    & skf21("2","5","4","7","6","3","7","1") = "6"
    & skf21("2","5","4","7","6","4","1","1") = "6"
    & skf21("2","5","4","7","6","4","2","1") = "6"
    & skf21("2","5","4","7","6","4","3","1") = "6"
    & skf21("2","5","4","7","6","4","4","1") = "6"
    & skf21("2","5","4","7","6","4","5","1") = "6"
    & skf21("2","5","4","7","6","4","6","1") = "6"
    & skf21("2","5","4","7","6","4","7","1") = "6"
    & skf21("2","5","4","7","6","5","1","1") = "6"
    & skf21("2","5","4","7","6","5","2","1") = "6"
    & skf21("2","5","4","7","6","5","3","1") = "6"
    & skf21("2","5","4","7","6","5","4","1") = "6"
    & skf21("2","5","4","7","6","5","5","1") = "6"
    & skf21("2","5","4","7","6","5","6","1") = "6"
    & skf21("2","5","4","7","6","5","7","1") = "6"
    & skf21("2","5","4","7","6","6","1","1") = "6"
    & skf21("2","5","4","7","6","6","2","1") = "6"
    & skf21("2","5","4","7","6","6","3","1") = "6"
    & skf21("2","5","4","7","6","6","4","1") = "6"
    & skf21("2","5","4","7","6","6","5","1") = "6"
    & skf21("2","5","4","7","6","6","6","1") = "6"
    & skf21("2","5","4","7","6","6","7","1") = "6"
    & skf21("2","5","4","7","6","7","1","1") = "6"
    & skf21("2","5","4","7","6","7","2","1") = "6"
    & skf21("2","5","4","7","6","7","3","1") = "6"
    & skf21("2","5","4","7","6","7","4","1") = "6"
    & skf21("2","5","4","7","6","7","5","1") = "6"
    & skf21("2","5","4","7","6","7","6","1") = "6"
    & skf21("2","5","4","7","6","7","7","1") = "6"
    & skf21("2","5","4","7","7","1","1","1") = "6"
    & skf21("2","5","4","7","7","1","2","1") = "6"
    & skf21("2","5","4","7","7","1","3","1") = "6"
    & skf21("2","5","4","7","7","1","4","1") = "6"
    & skf21("2","5","4","7","7","1","5","1") = "6"
    & skf21("2","5","4","7","7","1","6","1") = "6"
    & skf21("2","5","4","7","7","1","7","1") = "6"
    & skf21("2","5","4","7","7","2","1","1") = "6"
    & skf21("2","5","4","7","7","2","2","1") = "6"
    & skf21("2","5","4","7","7","2","3","1") = "6"
    & skf21("2","5","4","7","7","2","4","1") = "6"
    & skf21("2","5","4","7","7","2","5","1") = "6"
    & skf21("2","5","4","7","7","2","6","1") = "6"
    & skf21("2","5","4","7","7","2","7","1") = "6"
    & skf21("2","5","4","7","7","3","1","1") = "6"
    & skf21("2","5","4","7","7","3","2","1") = "6"
    & skf21("2","5","4","7","7","3","3","1") = "6"
    & skf21("2","5","4","7","7","3","4","1") = "6"
    & skf21("2","5","4","7","7","3","5","1") = "6"
    & skf21("2","5","4","7","7","3","6","1") = "6"
    & skf21("2","5","4","7","7","3","7","1") = "6"
    & skf21("2","5","4","7","7","4","1","1") = "6"
    & skf21("2","5","4","7","7","4","2","1") = "6"
    & skf21("2","5","4","7","7","4","3","1") = "6"
    & skf21("2","5","4","7","7","4","4","1") = "6"
    & skf21("2","5","4","7","7","4","5","1") = "6"
    & skf21("2","5","4","7","7","4","6","1") = "6"
    & skf21("2","5","4","7","7","4","7","1") = "6"
    & skf21("2","5","4","7","7","5","1","1") = "6"
    & skf21("2","5","4","7","7","5","2","1") = "6"
    & skf21("2","5","4","7","7","5","3","1") = "6"
    & skf21("2","5","4","7","7","5","4","1") = "6"
    & skf21("2","5","4","7","7","5","5","1") = "6"
    & skf21("2","5","4","7","7","5","6","1") = "6"
    & skf21("2","5","4","7","7","5","7","1") = "6"
    & skf21("2","5","4","7","7","6","1","1") = "6"
    & skf21("2","5","4","7","7","6","2","1") = "6"
    & skf21("2","5","4","7","7","6","3","1") = "6"
    & skf21("2","5","4","7","7","6","4","1") = "6"
    & skf21("2","5","4","7","7","6","5","1") = "6"
    & skf21("2","5","4","7","7","6","6","1") = "6"
    & skf21("2","5","4","7","7","6","7","1") = "6"
    & skf21("2","5","4","7","7","7","1","1") = "6"
    & skf21("2","5","4","7","7","7","2","1") = "6"
    & skf21("2","5","4","7","7","7","3","1") = "6"
    & skf21("2","5","4","7","7","7","4","1") = "6"
    & skf21("2","5","4","7","7","7","5","1") = "6"
    & skf21("2","5","4","7","7","7","6","1") = "6"
    & skf21("2","5","4","7","7","7","7","1") = "6"
    & skf21("2","5","5","1","1","1","1","1") = "4"
    & skf21("2","5","5","1","1","1","2","1") = "4"
    & skf21("2","5","5","1","1","1","3","1") = "4"
    & skf21("2","5","5","1","1","1","4","1") = "4"
    & skf21("2","5","5","1","1","1","5","1") = "4"
    & skf21("2","5","5","1","1","1","6","1") = "5"
    & skf21("2","5","5","1","1","1","7","1") = "6"
    & skf21("2","5","5","1","1","2","1","1") = "4"
    & skf21("2","5","5","1","1","2","2","1") = "4"
    & skf21("2","5","5","1","1","2","3","1") = "4"
    & skf21("2","5","5","1","1","2","4","1") = "4"
    & skf21("2","5","5","1","1","2","5","1") = "4"
    & skf21("2","5","5","1","1","2","6","1") = "5"
    & skf21("2","5","5","1","1","2","7","1") = "6"
    & skf21("2","5","5","1","1","3","1","1") = "4"
    & skf21("2","5","5","1","1","3","2","1") = "4"
    & skf21("2","5","5","1","1","3","3","1") = "4"
    & skf21("2","5","5","1","1","3","4","1") = "4"
    & skf21("2","5","5","1","1","3","5","1") = "4"
    & skf21("2","5","5","1","1","3","6","1") = "5"
    & skf21("2","5","5","1","1","3","7","1") = "6"
    & skf21("2","5","5","1","1","4","1","1") = "4"
    & skf21("2","5","5","1","1","4","2","1") = "4"
    & skf21("2","5","5","1","1","4","3","1") = "4"
    & skf21("2","5","5","1","1","4","4","1") = "4"
    & skf21("2","5","5","1","1","4","5","1") = "4"
    & skf21("2","5","5","1","1","4","6","1") = "5"
    & skf21("2","5","5","1","1","4","7","1") = "6"
    & skf21("2","5","5","1","1","5","1","1") = "4"
    & skf21("2","5","5","1","1","5","2","1") = "4"
    & skf21("2","5","5","1","1","5","3","1") = "4"
    & skf21("2","5","5","1","1","5","4","1") = "4"
    & skf21("2","5","5","1","1","5","5","1") = "4"
    & skf21("2","5","5","1","1","5","6","1") = "5"
    & skf21("2","5","5","1","1","5","7","1") = "6"
    & skf21("2","5","5","1","1","6","1","1") = "5"
    & skf21("2","5","5","1","1","6","2","1") = "5"
    & skf21("2","5","5","1","1","6","3","1") = "5"
    & skf21("2","5","5","1","1","6","4","1") = "5"
    & skf21("2","5","5","1","1","6","5","1") = "5"
    & skf21("2","5","5","1","1","6","6","1") = "5"
    & skf21("2","5","5","1","1","6","7","1") = "6"
    & skf21("2","5","5","1","1","7","1","1") = "6"
    & skf21("2","5","5","1","1","7","2","1") = "6"
    & skf21("2","5","5","1","1","7","3","1") = "6"
    & skf21("2","5","5","1","1","7","4","1") = "6"
    & skf21("2","5","5","1","1","7","5","1") = "6"
    & skf21("2","5","5","1","1","7","6","1") = "6"
    & skf21("2","5","5","1","1","7","7","1") = "6"
    & skf21("2","5","5","1","2","1","1","1") = "4"
    & skf21("2","5","5","1","2","1","2","1") = "4"
    & skf21("2","5","5","1","2","1","3","1") = "4"
    & skf21("2","5","5","1","2","1","4","1") = "4"
    & skf21("2","5","5","1","2","1","5","1") = "4"
    & skf21("2","5","5","1","2","1","6","1") = "5"
    & skf21("2","5","5","1","2","1","7","1") = "6"
    & skf21("2","5","5","1","2","2","1","1") = "4"
    & skf21("2","5","5","1","2","2","2","1") = "4"
    & skf21("2","5","5","1","2","2","3","1") = "4"
    & skf21("2","5","5","1","2","2","4","1") = "4"
    & skf21("2","5","5","1","2","2","5","1") = "4"
    & skf21("2","5","5","1","2","2","6","1") = "5"
    & skf21("2","5","5","1","2","2","7","1") = "6"
    & skf21("2","5","5","1","2","3","1","1") = "4"
    & skf21("2","5","5","1","2","3","2","1") = "4"
    & skf21("2","5","5","1","2","3","3","1") = "4"
    & skf21("2","5","5","1","2","3","4","1") = "4"
    & skf21("2","5","5","1","2","3","5","1") = "4"
    & skf21("2","5","5","1","2","3","6","1") = "5"
    & skf21("2","5","5","1","2","3","7","1") = "6"
    & skf21("2","5","5","1","2","4","1","1") = "4"
    & skf21("2","5","5","1","2","4","2","1") = "4"
    & skf21("2","5","5","1","2","4","3","1") = "4"
    & skf21("2","5","5","1","2","4","4","1") = "4"
    & skf21("2","5","5","1","2","4","5","1") = "4"
    & skf21("2","5","5","1","2","4","6","1") = "5"
    & skf21("2","5","5","1","2","4","7","1") = "6"
    & skf21("2","5","5","1","2","5","1","1") = "4"
    & skf21("2","5","5","1","2","5","2","1") = "4"
    & skf21("2","5","5","1","2","5","3","1") = "4"
    & skf21("2","5","5","1","2","5","4","1") = "4"
    & skf21("2","5","5","1","2","5","5","1") = "4"
    & skf21("2","5","5","1","2","5","6","1") = "5"
    & skf21("2","5","5","1","2","5","7","1") = "6"
    & skf21("2","5","5","1","2","6","1","1") = "5"
    & skf21("2","5","5","1","2","6","2","1") = "5"
    & skf21("2","5","5","1","2","6","3","1") = "5"
    & skf21("2","5","5","1","2","6","4","1") = "5"
    & skf21("2","5","5","1","2","6","5","1") = "5"
    & skf21("2","5","5","1","2","6","6","1") = "5"
    & skf21("2","5","5","1","2","6","7","1") = "6"
    & skf21("2","5","5","1","2","7","1","1") = "6"
    & skf21("2","5","5","1","2","7","2","1") = "6"
    & skf21("2","5","5","1","2","7","3","1") = "6"
    & skf21("2","5","5","1","2","7","4","1") = "6"
    & skf21("2","5","5","1","2","7","5","1") = "6"
    & skf21("2","5","5","1","2","7","6","1") = "6"
    & skf21("2","5","5","1","2","7","7","1") = "6"
    & skf21("2","5","5","1","3","1","1","1") = "4"
    & skf21("2","5","5","1","3","1","2","1") = "4"
    & skf21("2","5","5","1","3","1","3","1") = "4"
    & skf21("2","5","5","1","3","1","4","1") = "4"
    & skf21("2","5","5","1","3","1","5","1") = "4"
    & skf21("2","5","5","1","3","1","6","1") = "5"
    & skf21("2","5","5","1","3","1","7","1") = "6"
    & skf21("2","5","5","1","3","2","1","1") = "4"
    & skf21("2","5","5","1","3","2","2","1") = "4"
    & skf21("2","5","5","1","3","2","3","1") = "4"
    & skf21("2","5","5","1","3","2","4","1") = "4"
    & skf21("2","5","5","1","3","2","5","1") = "4"
    & skf21("2","5","5","1","3","2","6","1") = "5"
    & skf21("2","5","5","1","3","2","7","1") = "6"
    & skf21("2","5","5","1","3","3","1","1") = "4"
    & skf21("2","5","5","1","3","3","2","1") = "4"
    & skf21("2","5","5","1","3","3","3","1") = "4"
    & skf21("2","5","5","1","3","3","4","1") = "4"
    & skf21("2","5","5","1","3","3","5","1") = "4"
    & skf21("2","5","5","1","3","3","6","1") = "5"
    & skf21("2","5","5","1","3","3","7","1") = "6"
    & skf21("2","5","5","1","3","4","1","1") = "4"
    & skf21("2","5","5","1","3","4","2","1") = "4"
    & skf21("2","5","5","1","3","4","3","1") = "4"
    & skf21("2","5","5","1","3","4","4","1") = "4"
    & skf21("2","5","5","1","3","4","5","1") = "4"
    & skf21("2","5","5","1","3","4","6","1") = "5"
    & skf21("2","5","5","1","3","4","7","1") = "6"
    & skf21("2","5","5","1","3","5","1","1") = "4"
    & skf21("2","5","5","1","3","5","2","1") = "4"
    & skf21("2","5","5","1","3","5","3","1") = "4"
    & skf21("2","5","5","1","3","5","4","1") = "4"
    & skf21("2","5","5","1","3","5","5","1") = "4"
    & skf21("2","5","5","1","3","5","6","1") = "5"
    & skf21("2","5","5","1","3","5","7","1") = "6"
    & skf21("2","5","5","1","3","6","1","1") = "5"
    & skf21("2","5","5","1","3","6","2","1") = "5"
    & skf21("2","5","5","1","3","6","3","1") = "5"
    & skf21("2","5","5","1","3","6","4","1") = "5"
    & skf21("2","5","5","1","3","6","5","1") = "5"
    & skf21("2","5","5","1","3","6","6","1") = "5"
    & skf21("2","5","5","1","3","6","7","1") = "6"
    & skf21("2","5","5","1","3","7","1","1") = "6"
    & skf21("2","5","5","1","3","7","2","1") = "6"
    & skf21("2","5","5","1","3","7","3","1") = "6"
    & skf21("2","5","5","1","3","7","4","1") = "6"
    & skf21("2","5","5","1","3","7","5","1") = "6"
    & skf21("2","5","5","1","3","7","6","1") = "6"
    & skf21("2","5","5","1","3","7","7","1") = "6"
    & skf21("2","5","5","1","4","1","1","1") = "4"
    & skf21("2","5","5","1","4","1","2","1") = "4"
    & skf21("2","5","5","1","4","1","3","1") = "4"
    & skf21("2","5","5","1","4","1","4","1") = "4"
    & skf21("2","5","5","1","4","1","5","1") = "4"
    & skf21("2","5","5","1","4","1","6","1") = "5"
    & skf21("2","5","5","1","4","1","7","1") = "6"
    & skf21("2","5","5","1","4","2","1","1") = "4"
    & skf21("2","5","5","1","4","2","2","1") = "4"
    & skf21("2","5","5","1","4","2","3","1") = "4"
    & skf21("2","5","5","1","4","2","4","1") = "4"
    & skf21("2","5","5","1","4","2","5","1") = "4"
    & skf21("2","5","5","1","4","2","6","1") = "5"
    & skf21("2","5","5","1","4","2","7","1") = "6"
    & skf21("2","5","5","1","4","3","1","1") = "4"
    & skf21("2","5","5","1","4","3","2","1") = "4"
    & skf21("2","5","5","1","4","3","3","1") = "4"
    & skf21("2","5","5","1","4","3","4","1") = "4"
    & skf21("2","5","5","1","4","3","5","1") = "4"
    & skf21("2","5","5","1","4","3","6","1") = "5"
    & skf21("2","5","5","1","4","3","7","1") = "6"
    & skf21("2","5","5","1","4","4","1","1") = "4"
    & skf21("2","5","5","1","4","4","2","1") = "4"
    & skf21("2","5","5","1","4","4","3","1") = "4"
    & skf21("2","5","5","1","4","4","4","1") = "4"
    & skf21("2","5","5","1","4","4","5","1") = "4"
    & skf21("2","5","5","1","4","4","6","1") = "5"
    & skf21("2","5","5","1","4","4","7","1") = "6"
    & skf21("2","5","5","1","4","5","1","1") = "4"
    & skf21("2","5","5","1","4","5","2","1") = "4"
    & skf21("2","5","5","1","4","5","3","1") = "4"
    & skf21("2","5","5","1","4","5","4","1") = "4"
    & skf21("2","5","5","1","4","5","5","1") = "4"
    & skf21("2","5","5","1","4","5","6","1") = "5"
    & skf21("2","5","5","1","4","5","7","1") = "6"
    & skf21("2","5","5","1","4","6","1","1") = "5"
    & skf21("2","5","5","1","4","6","2","1") = "5"
    & skf21("2","5","5","1","4","6","3","1") = "5"
    & skf21("2","5","5","1","4","6","4","1") = "5"
    & skf21("2","5","5","1","4","6","5","1") = "5"
    & skf21("2","5","5","1","4","6","6","1") = "5"
    & skf21("2","5","5","1","4","6","7","1") = "6"
    & skf21("2","5","5","1","4","7","1","1") = "6"
    & skf21("2","5","5","1","4","7","2","1") = "6"
    & skf21("2","5","5","1","4","7","3","1") = "6"
    & skf21("2","5","5","1","4","7","4","1") = "6"
    & skf21("2","5","5","1","4","7","5","1") = "6"
    & skf21("2","5","5","1","4","7","6","1") = "6"
    & skf21("2","5","5","1","4","7","7","1") = "6"
    & skf21("2","5","5","1","5","1","1","1") = "4"
    & skf21("2","5","5","1","5","1","2","1") = "4"
    & skf21("2","5","5","1","5","1","3","1") = "4"
    & skf21("2","5","5","1","5","1","4","1") = "4"
    & skf21("2","5","5","1","5","1","5","1") = "4"
    & skf21("2","5","5","1","5","1","6","1") = "5"
    & skf21("2","5","5","1","5","1","7","1") = "6"
    & skf21("2","5","5","1","5","2","1","1") = "4"
    & skf21("2","5","5","1","5","2","2","1") = "4"
    & skf21("2","5","5","1","5","2","3","1") = "4"
    & skf21("2","5","5","1","5","2","4","1") = "4"
    & skf21("2","5","5","1","5","2","5","1") = "4"
    & skf21("2","5","5","1","5","2","6","1") = "5"
    & skf21("2","5","5","1","5","2","7","1") = "6"
    & skf21("2","5","5","1","5","3","1","1") = "4"
    & skf21("2","5","5","1","5","3","2","1") = "4"
    & skf21("2","5","5","1","5","3","3","1") = "4"
    & skf21("2","5","5","1","5","3","4","1") = "4"
    & skf21("2","5","5","1","5","3","5","1") = "4"
    & skf21("2","5","5","1","5","3","6","1") = "5"
    & skf21("2","5","5","1","5","3","7","1") = "6"
    & skf21("2","5","5","1","5","4","1","1") = "4"
    & skf21("2","5","5","1","5","4","2","1") = "4"
    & skf21("2","5","5","1","5","4","3","1") = "4"
    & skf21("2","5","5","1","5","4","4","1") = "4"
    & skf21("2","5","5","1","5","4","5","1") = "4"
    & skf21("2","5","5","1","5","4","6","1") = "5"
    & skf21("2","5","5","1","5","4","7","1") = "6"
    & skf21("2","5","5","1","5","5","1","1") = "4"
    & skf21("2","5","5","1","5","5","2","1") = "4"
    & skf21("2","5","5","1","5","5","3","1") = "4"
    & skf21("2","5","5","1","5","5","4","1") = "4"
    & skf21("2","5","5","1","5","5","5","1") = "4"
    & skf21("2","5","5","1","5","5","6","1") = "5"
    & skf21("2","5","5","1","5","5","7","1") = "6"
    & skf21("2","5","5","1","5","6","1","1") = "5"
    & skf21("2","5","5","1","5","6","2","1") = "5"
    & skf21("2","5","5","1","5","6","3","1") = "5"
    & skf21("2","5","5","1","5","6","4","1") = "5"
    & skf21("2","5","5","1","5","6","5","1") = "5"
    & skf21("2","5","5","1","5","6","6","1") = "5"
    & skf21("2","5","5","1","5","6","7","1") = "6"
    & skf21("2","5","5","1","5","7","1","1") = "6"
    & skf21("2","5","5","1","5","7","2","1") = "6"
    & skf21("2","5","5","1","5","7","3","1") = "6"
    & skf21("2","5","5","1","5","7","4","1") = "6"
    & skf21("2","5","5","1","5","7","5","1") = "6"
    & skf21("2","5","5","1","5","7","6","1") = "6"
    & skf21("2","5","5","1","5","7","7","1") = "6"
    & skf21("2","5","5","1","6","1","1","1") = "5"
    & skf21("2","5","5","1","6","1","2","1") = "5"
    & skf21("2","5","5","1","6","1","3","1") = "5"
    & skf21("2","5","5","1","6","1","4","1") = "5"
    & skf21("2","5","5","1","6","1","5","1") = "5"
    & skf21("2","5","5","1","6","1","6","1") = "5"
    & skf21("2","5","5","1","6","1","7","1") = "6"
    & skf21("2","5","5","1","6","2","1","1") = "5"
    & skf21("2","5","5","1","6","2","2","1") = "5"
    & skf21("2","5","5","1","6","2","3","1") = "5"
    & skf21("2","5","5","1","6","2","4","1") = "5"
    & skf21("2","5","5","1","6","2","5","1") = "5"
    & skf21("2","5","5","1","6","2","6","1") = "5"
    & skf21("2","5","5","1","6","2","7","1") = "6"
    & skf21("2","5","5","1","6","3","1","1") = "5"
    & skf21("2","5","5","1","6","3","2","1") = "5"
    & skf21("2","5","5","1","6","3","3","1") = "5"
    & skf21("2","5","5","1","6","3","4","1") = "5"
    & skf21("2","5","5","1","6","3","5","1") = "5"
    & skf21("2","5","5","1","6","3","6","1") = "5"
    & skf21("2","5","5","1","6","3","7","1") = "6"
    & skf21("2","5","5","1","6","4","1","1") = "5"
    & skf21("2","5","5","1","6","4","2","1") = "5"
    & skf21("2","5","5","1","6","4","3","1") = "5"
    & skf21("2","5","5","1","6","4","4","1") = "5"
    & skf21("2","5","5","1","6","4","5","1") = "5"
    & skf21("2","5","5","1","6","4","6","1") = "5"
    & skf21("2","5","5","1","6","4","7","1") = "6"
    & skf21("2","5","5","1","6","5","1","1") = "5"
    & skf21("2","5","5","1","6","5","2","1") = "5"
    & skf21("2","5","5","1","6","5","3","1") = "5"
    & skf21("2","5","5","1","6","5","4","1") = "5"
    & skf21("2","5","5","1","6","5","5","1") = "5"
    & skf21("2","5","5","1","6","5","6","1") = "5"
    & skf21("2","5","5","1","6","5","7","1") = "6"
    & skf21("2","5","5","1","6","6","1","1") = "5"
    & skf21("2","5","5","1","6","6","2","1") = "5"
    & skf21("2","5","5","1","6","6","3","1") = "5"
    & skf21("2","5","5","1","6","6","4","1") = "5"
    & skf21("2","5","5","1","6","6","5","1") = "5"
    & skf21("2","5","5","1","6","6","6","1") = "5"
    & skf21("2","5","5","1","6","6","7","1") = "6"
    & skf21("2","5","5","1","6","7","1","1") = "6"
    & skf21("2","5","5","1","6","7","2","1") = "6"
    & skf21("2","5","5","1","6","7","3","1") = "6"
    & skf21("2","5","5","1","6","7","4","1") = "6"
    & skf21("2","5","5","1","6","7","5","1") = "6"
    & skf21("2","5","5","1","6","7","6","1") = "6"
    & skf21("2","5","5","1","6","7","7","1") = "6"
    & skf21("2","5","5","1","7","1","1","1") = "6"
    & skf21("2","5","5","1","7","1","2","1") = "6"
    & skf21("2","5","5","1","7","1","3","1") = "6"
    & skf21("2","5","5","1","7","1","4","1") = "6"
    & skf21("2","5","5","1","7","1","5","1") = "6"
    & skf21("2","5","5","1","7","1","6","1") = "6"
    & skf21("2","5","5","1","7","1","7","1") = "6"
    & skf21("2","5","5","1","7","2","1","1") = "6"
    & skf21("2","5","5","1","7","2","2","1") = "6"
    & skf21("2","5","5","1","7","2","3","1") = "6"
    & skf21("2","5","5","1","7","2","4","1") = "6"
    & skf21("2","5","5","1","7","2","5","1") = "6"
    & skf21("2","5","5","1","7","2","6","1") = "6"
    & skf21("2","5","5","1","7","2","7","1") = "6"
    & skf21("2","5","5","1","7","3","1","1") = "6"
    & skf21("2","5","5","1","7","3","2","1") = "6"
    & skf21("2","5","5","1","7","3","3","1") = "6"
    & skf21("2","5","5","1","7","3","4","1") = "6"
    & skf21("2","5","5","1","7","3","5","1") = "6"
    & skf21("2","5","5","1","7","3","6","1") = "6"
    & skf21("2","5","5","1","7","3","7","1") = "6"
    & skf21("2","5","5","1","7","4","1","1") = "6"
    & skf21("2","5","5","1","7","4","2","1") = "6"
    & skf21("2","5","5","1","7","4","3","1") = "6"
    & skf21("2","5","5","1","7","4","4","1") = "6"
    & skf21("2","5","5","1","7","4","5","1") = "6"
    & skf21("2","5","5","1","7","4","6","1") = "6"
    & skf21("2","5","5","1","7","4","7","1") = "6"
    & skf21("2","5","5","1","7","5","1","1") = "6"
    & skf21("2","5","5","1","7","5","2","1") = "6"
    & skf21("2","5","5","1","7","5","3","1") = "6"
    & skf21("2","5","5","1","7","5","4","1") = "6"
    & skf21("2","5","5","1","7","5","5","1") = "6"
    & skf21("2","5","5","1","7","5","6","1") = "6"
    & skf21("2","5","5","1","7","5","7","1") = "6"
    & skf21("2","5","5","1","7","6","1","1") = "6"
    & skf21("2","5","5","1","7","6","2","1") = "6"
    & skf21("2","5","5","1","7","6","3","1") = "6"
    & skf21("2","5","5","1","7","6","4","1") = "6"
    & skf21("2","5","5","1","7","6","5","1") = "6"
    & skf21("2","5","5","1","7","6","6","1") = "6"
    & skf21("2","5","5","1","7","6","7","1") = "6"
    & skf21("2","5","5","1","7","7","1","1") = "6"
    & skf21("2","5","5","1","7","7","2","1") = "6"
    & skf21("2","5","5","1","7","7","3","1") = "6"
    & skf21("2","5","5","1","7","7","4","1") = "6"
    & skf21("2","5","5","1","7","7","5","1") = "6"
    & skf21("2","5","5","1","7","7","6","1") = "6"
    & skf21("2","5","5","1","7","7","7","1") = "6"
    & skf21("2","5","5","2","1","1","1","1") = "4"
    & skf21("2","5","5","2","1","1","2","1") = "4"
    & skf21("2","5","5","2","1","1","3","1") = "4"
    & skf21("2","5","5","2","1","1","4","1") = "4"
    & skf21("2","5","5","2","1","1","5","1") = "4"
    & skf21("2","5","5","2","1","1","6","1") = "5"
    & skf21("2","5","5","2","1","1","7","1") = "6"
    & skf21("2","5","5","2","1","2","1","1") = "4"
    & skf21("2","5","5","2","1","2","2","1") = "4"
    & skf21("2","5","5","2","1","2","3","1") = "4"
    & skf21("2","5","5","2","1","2","4","1") = "4"
    & skf21("2","5","5","2","1","2","5","1") = "4"
    & skf21("2","5","5","2","1","2","6","1") = "5"
    & skf21("2","5","5","2","1","2","7","1") = "6"
    & skf21("2","5","5","2","1","3","1","1") = "4"
    & skf21("2","5","5","2","1","3","2","1") = "4"
    & skf21("2","5","5","2","1","3","3","1") = "4"
    & skf21("2","5","5","2","1","3","4","1") = "4"
    & skf21("2","5","5","2","1","3","5","1") = "4"
    & skf21("2","5","5","2","1","3","6","1") = "5"
    & skf21("2","5","5","2","1","3","7","1") = "6"
    & skf21("2","5","5","2","1","4","1","1") = "4"
    & skf21("2","5","5","2","1","4","2","1") = "4"
    & skf21("2","5","5","2","1","4","3","1") = "4"
    & skf21("2","5","5","2","1","4","4","1") = "4"
    & skf21("2","5","5","2","1","4","5","1") = "4"
    & skf21("2","5","5","2","1","4","6","1") = "5"
    & skf21("2","5","5","2","1","4","7","1") = "6"
    & skf21("2","5","5","2","1","5","1","1") = "4"
    & skf21("2","5","5","2","1","5","2","1") = "4"
    & skf21("2","5","5","2","1","5","3","1") = "4"
    & skf21("2","5","5","2","1","5","4","1") = "4"
    & skf21("2","5","5","2","1","5","5","1") = "4"
    & skf21("2","5","5","2","1","5","6","1") = "5"
    & skf21("2","5","5","2","1","5","7","1") = "6"
    & skf21("2","5","5","2","1","6","1","1") = "5"
    & skf21("2","5","5","2","1","6","2","1") = "5"
    & skf21("2","5","5","2","1","6","3","1") = "5"
    & skf21("2","5","5","2","1","6","4","1") = "5"
    & skf21("2","5","5","2","1","6","5","1") = "5"
    & skf21("2","5","5","2","1","6","6","1") = "5"
    & skf21("2","5","5","2","1","6","7","1") = "6"
    & skf21("2","5","5","2","1","7","1","1") = "6"
    & skf21("2","5","5","2","1","7","2","1") = "6"
    & skf21("2","5","5","2","1","7","3","1") = "6"
    & skf21("2","5","5","2","1","7","4","1") = "6"
    & skf21("2","5","5","2","1","7","5","1") = "6"
    & skf21("2","5","5","2","1","7","6","1") = "6"
    & skf21("2","5","5","2","1","7","7","1") = "6"
    & skf21("2","5","5","2","2","1","1","1") = "4"
    & skf21("2","5","5","2","2","1","2","1") = "4"
    & skf21("2","5","5","2","2","1","3","1") = "4"
    & skf21("2","5","5","2","2","1","4","1") = "4"
    & skf21("2","5","5","2","2","1","5","1") = "4"
    & skf21("2","5","5","2","2","1","6","1") = "5"
    & skf21("2","5","5","2","2","1","7","1") = "6"
    & skf21("2","5","5","2","2","2","1","1") = "4"
    & skf21("2","5","5","2","2","2","2","1") = "4"
    & skf21("2","5","5","2","2","2","3","1") = "4"
    & skf21("2","5","5","2","2","2","4","1") = "4"
    & skf21("2","5","5","2","2","2","5","1") = "4"
    & skf21("2","5","5","2","2","2","6","1") = "5"
    & skf21("2","5","5","2","2","2","7","1") = "6"
    & skf21("2","5","5","2","2","3","1","1") = "4"
    & skf21("2","5","5","2","2","3","2","1") = "4"
    & skf21("2","5","5","2","2","3","3","1") = "4"
    & skf21("2","5","5","2","2","3","4","1") = "4"
    & skf21("2","5","5","2","2","3","5","1") = "4"
    & skf21("2","5","5","2","2","3","6","1") = "5"
    & skf21("2","5","5","2","2","3","7","1") = "6"
    & skf21("2","5","5","2","2","4","1","1") = "4"
    & skf21("2","5","5","2","2","4","2","1") = "4"
    & skf21("2","5","5","2","2","4","3","1") = "4"
    & skf21("2","5","5","2","2","4","4","1") = "4"
    & skf21("2","5","5","2","2","4","5","1") = "4"
    & skf21("2","5","5","2","2","4","6","1") = "5"
    & skf21("2","5","5","2","2","4","7","1") = "6"
    & skf21("2","5","5","2","2","5","1","1") = "4"
    & skf21("2","5","5","2","2","5","2","1") = "4"
    & skf21("2","5","5","2","2","5","3","1") = "4"
    & skf21("2","5","5","2","2","5","4","1") = "4"
    & skf21("2","5","5","2","2","5","5","1") = "4"
    & skf21("2","5","5","2","2","5","6","1") = "5"
    & skf21("2","5","5","2","2","5","7","1") = "6"
    & skf21("2","5","5","2","2","6","1","1") = "5"
    & skf21("2","5","5","2","2","6","2","1") = "5"
    & skf21("2","5","5","2","2","6","3","1") = "5"
    & skf21("2","5","5","2","2","6","4","1") = "5"
    & skf21("2","5","5","2","2","6","5","1") = "5"
    & skf21("2","5","5","2","2","6","6","1") = "5"
    & skf21("2","5","5","2","2","6","7","1") = "6"
    & skf21("2","5","5","2","2","7","1","1") = "6"
    & skf21("2","5","5","2","2","7","2","1") = "6"
    & skf21("2","5","5","2","2","7","3","1") = "6"
    & skf21("2","5","5","2","2","7","4","1") = "6"
    & skf21("2","5","5","2","2","7","5","1") = "6"
    & skf21("2","5","5","2","2","7","6","1") = "6"
    & skf21("2","5","5","2","2","7","7","1") = "6"
    & skf21("2","5","5","2","3","1","1","1") = "4"
    & skf21("2","5","5","2","3","1","2","1") = "4"
    & skf21("2","5","5","2","3","1","3","1") = "4"
    & skf21("2","5","5","2","3","1","4","1") = "4"
    & skf21("2","5","5","2","3","1","5","1") = "4"
    & skf21("2","5","5","2","3","1","6","1") = "5"
    & skf21("2","5","5","2","3","1","7","1") = "6"
    & skf21("2","5","5","2","3","2","1","1") = "4"
    & skf21("2","5","5","2","3","2","2","1") = "4"
    & skf21("2","5","5","2","3","2","3","1") = "4"
    & skf21("2","5","5","2","3","2","4","1") = "4"
    & skf21("2","5","5","2","3","2","5","1") = "4"
    & skf21("2","5","5","2","3","2","6","1") = "5"
    & skf21("2","5","5","2","3","2","7","1") = "6"
    & skf21("2","5","5","2","3","3","1","1") = "4"
    & skf21("2","5","5","2","3","3","2","1") = "4"
    & skf21("2","5","5","2","3","3","3","1") = "4"
    & skf21("2","5","5","2","3","3","4","1") = "4"
    & skf21("2","5","5","2","3","3","5","1") = "4"
    & skf21("2","5","5","2","3","3","6","1") = "5"
    & skf21("2","5","5","2","3","3","7","1") = "6"
    & skf21("2","5","5","2","3","4","1","1") = "4"
    & skf21("2","5","5","2","3","4","2","1") = "4"
    & skf21("2","5","5","2","3","4","3","1") = "4"
    & skf21("2","5","5","2","3","4","4","1") = "4"
    & skf21("2","5","5","2","3","4","5","1") = "4"
    & skf21("2","5","5","2","3","4","6","1") = "5"
    & skf21("2","5","5","2","3","4","7","1") = "6"
    & skf21("2","5","5","2","3","5","1","1") = "4"
    & skf21("2","5","5","2","3","5","2","1") = "4"
    & skf21("2","5","5","2","3","5","3","1") = "4"
    & skf21("2","5","5","2","3","5","4","1") = "4"
    & skf21("2","5","5","2","3","5","5","1") = "4"
    & skf21("2","5","5","2","3","5","6","1") = "5"
    & skf21("2","5","5","2","3","5","7","1") = "6"
    & skf21("2","5","5","2","3","6","1","1") = "5"
    & skf21("2","5","5","2","3","6","2","1") = "5"
    & skf21("2","5","5","2","3","6","3","1") = "5"
    & skf21("2","5","5","2","3","6","4","1") = "5"
    & skf21("2","5","5","2","3","6","5","1") = "5"
    & skf21("2","5","5","2","3","6","6","1") = "5"
    & skf21("2","5","5","2","3","6","7","1") = "6"
    & skf21("2","5","5","2","3","7","1","1") = "6"
    & skf21("2","5","5","2","3","7","2","1") = "6"
    & skf21("2","5","5","2","3","7","3","1") = "6"
    & skf21("2","5","5","2","3","7","4","1") = "6"
    & skf21("2","5","5","2","3","7","5","1") = "6"
    & skf21("2","5","5","2","3","7","6","1") = "6"
    & skf21("2","5","5","2","3","7","7","1") = "6"
    & skf21("2","5","5","2","4","1","1","1") = "4"
    & skf21("2","5","5","2","4","1","2","1") = "4"
    & skf21("2","5","5","2","4","1","3","1") = "4"
    & skf21("2","5","5","2","4","1","4","1") = "4"
    & skf21("2","5","5","2","4","1","5","1") = "4"
    & skf21("2","5","5","2","4","1","6","1") = "5"
    & skf21("2","5","5","2","4","1","7","1") = "6"
    & skf21("2","5","5","2","4","2","1","1") = "4"
    & skf21("2","5","5","2","4","2","2","1") = "4"
    & skf21("2","5","5","2","4","2","3","1") = "4"
    & skf21("2","5","5","2","4","2","4","1") = "4"
    & skf21("2","5","5","2","4","2","5","1") = "4"
    & skf21("2","5","5","2","4","2","6","1") = "5"
    & skf21("2","5","5","2","4","2","7","1") = "6"
    & skf21("2","5","5","2","4","3","1","1") = "4"
    & skf21("2","5","5","2","4","3","2","1") = "4"
    & skf21("2","5","5","2","4","3","3","1") = "4"
    & skf21("2","5","5","2","4","3","4","1") = "4"
    & skf21("2","5","5","2","4","3","5","1") = "4"
    & skf21("2","5","5","2","4","3","6","1") = "5"
    & skf21("2","5","5","2","4","3","7","1") = "6"
    & skf21("2","5","5","2","4","4","1","1") = "4"
    & skf21("2","5","5","2","4","4","2","1") = "4"
    & skf21("2","5","5","2","4","4","3","1") = "4"
    & skf21("2","5","5","2","4","4","4","1") = "4"
    & skf21("2","5","5","2","4","4","5","1") = "4"
    & skf21("2","5","5","2","4","4","6","1") = "5"
    & skf21("2","5","5","2","4","4","7","1") = "6"
    & skf21("2","5","5","2","4","5","1","1") = "4"
    & skf21("2","5","5","2","4","5","2","1") = "4"
    & skf21("2","5","5","2","4","5","3","1") = "4"
    & skf21("2","5","5","2","4","5","4","1") = "4"
    & skf21("2","5","5","2","4","5","5","1") = "4"
    & skf21("2","5","5","2","4","5","6","1") = "5"
    & skf21("2","5","5","2","4","5","7","1") = "6"
    & skf21("2","5","5","2","4","6","1","1") = "5"
    & skf21("2","5","5","2","4","6","2","1") = "5"
    & skf21("2","5","5","2","4","6","3","1") = "5"
    & skf21("2","5","5","2","4","6","4","1") = "5"
    & skf21("2","5","5","2","4","6","5","1") = "5"
    & skf21("2","5","5","2","4","6","6","1") = "5"
    & skf21("2","5","5","2","4","6","7","1") = "6"
    & skf21("2","5","5","2","4","7","1","1") = "6"
    & skf21("2","5","5","2","4","7","2","1") = "6"
    & skf21("2","5","5","2","4","7","3","1") = "6"
    & skf21("2","5","5","2","4","7","4","1") = "6"
    & skf21("2","5","5","2","4","7","5","1") = "6"
    & skf21("2","5","5","2","4","7","6","1") = "6"
    & skf21("2","5","5","2","4","7","7","1") = "6"
    & skf21("2","5","5","2","5","1","1","1") = "4"
    & skf21("2","5","5","2","5","1","2","1") = "4"
    & skf21("2","5","5","2","5","1","3","1") = "4"
    & skf21("2","5","5","2","5","1","4","1") = "4"
    & skf21("2","5","5","2","5","1","5","1") = "4"
    & skf21("2","5","5","2","5","1","6","1") = "5"
    & skf21("2","5","5","2","5","1","7","1") = "6"
    & skf21("2","5","5","2","5","2","1","1") = "4"
    & skf21("2","5","5","2","5","2","2","1") = "4"
    & skf21("2","5","5","2","5","2","3","1") = "4"
    & skf21("2","5","5","2","5","2","4","1") = "4"
    & skf21("2","5","5","2","5","2","5","1") = "4"
    & skf21("2","5","5","2","5","2","6","1") = "5"
    & skf21("2","5","5","2","5","2","7","1") = "6"
    & skf21("2","5","5","2","5","3","1","1") = "4"
    & skf21("2","5","5","2","5","3","2","1") = "4"
    & skf21("2","5","5","2","5","3","3","1") = "4"
    & skf21("2","5","5","2","5","3","4","1") = "4"
    & skf21("2","5","5","2","5","3","5","1") = "4"
    & skf21("2","5","5","2","5","3","6","1") = "5"
    & skf21("2","5","5","2","5","3","7","1") = "6"
    & skf21("2","5","5","2","5","4","1","1") = "4"
    & skf21("2","5","5","2","5","4","2","1") = "4"
    & skf21("2","5","5","2","5","4","3","1") = "4"
    & skf21("2","5","5","2","5","4","4","1") = "4"
    & skf21("2","5","5","2","5","4","5","1") = "4"
    & skf21("2","5","5","2","5","4","6","1") = "5"
    & skf21("2","5","5","2","5","4","7","1") = "6"
    & skf21("2","5","5","2","5","5","1","1") = "4"
    & skf21("2","5","5","2","5","5","2","1") = "4"
    & skf21("2","5","5","2","5","5","3","1") = "4"
    & skf21("2","5","5","2","5","5","4","1") = "4"
    & skf21("2","5","5","2","5","5","5","1") = "4"
    & skf21("2","5","5","2","5","5","6","1") = "5"
    & skf21("2","5","5","2","5","5","7","1") = "6"
    & skf21("2","5","5","2","5","6","1","1") = "5"
    & skf21("2","5","5","2","5","6","2","1") = "5"
    & skf21("2","5","5","2","5","6","3","1") = "5"
    & skf21("2","5","5","2","5","6","4","1") = "5"
    & skf21("2","5","5","2","5","6","5","1") = "5"
    & skf21("2","5","5","2","5","6","6","1") = "5"
    & skf21("2","5","5","2","5","6","7","1") = "6"
    & skf21("2","5","5","2","5","7","1","1") = "6"
    & skf21("2","5","5","2","5","7","2","1") = "6"
    & skf21("2","5","5","2","5","7","3","1") = "6"
    & skf21("2","5","5","2","5","7","4","1") = "6"
    & skf21("2","5","5","2","5","7","5","1") = "6"
    & skf21("2","5","5","2","5","7","6","1") = "6"
    & skf21("2","5","5","2","5","7","7","1") = "6"
    & skf21("2","5","5","2","6","1","1","1") = "5"
    & skf21("2","5","5","2","6","1","2","1") = "5"
    & skf21("2","5","5","2","6","1","3","1") = "5"
    & skf21("2","5","5","2","6","1","4","1") = "5"
    & skf21("2","5","5","2","6","1","5","1") = "5"
    & skf21("2","5","5","2","6","1","6","1") = "5"
    & skf21("2","5","5","2","6","1","7","1") = "6"
    & skf21("2","5","5","2","6","2","1","1") = "5"
    & skf21("2","5","5","2","6","2","2","1") = "5"
    & skf21("2","5","5","2","6","2","3","1") = "5"
    & skf21("2","5","5","2","6","2","4","1") = "5"
    & skf21("2","5","5","2","6","2","5","1") = "5"
    & skf21("2","5","5","2","6","2","6","1") = "5"
    & skf21("2","5","5","2","6","2","7","1") = "6"
    & skf21("2","5","5","2","6","3","1","1") = "5"
    & skf21("2","5","5","2","6","3","2","1") = "5"
    & skf21("2","5","5","2","6","3","3","1") = "5"
    & skf21("2","5","5","2","6","3","4","1") = "5"
    & skf21("2","5","5","2","6","3","5","1") = "5"
    & skf21("2","5","5","2","6","3","6","1") = "5"
    & skf21("2","5","5","2","6","3","7","1") = "6"
    & skf21("2","5","5","2","6","4","1","1") = "5"
    & skf21("2","5","5","2","6","4","2","1") = "5"
    & skf21("2","5","5","2","6","4","3","1") = "5"
    & skf21("2","5","5","2","6","4","4","1") = "5"
    & skf21("2","5","5","2","6","4","5","1") = "5"
    & skf21("2","5","5","2","6","4","6","1") = "5"
    & skf21("2","5","5","2","6","4","7","1") = "6"
    & skf21("2","5","5","2","6","5","1","1") = "5"
    & skf21("2","5","5","2","6","5","2","1") = "5"
    & skf21("2","5","5","2","6","5","3","1") = "5"
    & skf21("2","5","5","2","6","5","4","1") = "5"
    & skf21("2","5","5","2","6","5","5","1") = "5"
    & skf21("2","5","5","2","6","5","6","1") = "5"
    & skf21("2","5","5","2","6","5","7","1") = "6"
    & skf21("2","5","5","2","6","6","1","1") = "5"
    & skf21("2","5","5","2","6","6","2","1") = "5"
    & skf21("2","5","5","2","6","6","3","1") = "5"
    & skf21("2","5","5","2","6","6","4","1") = "5"
    & skf21("2","5","5","2","6","6","5","1") = "5"
    & skf21("2","5","5","2","6","6","6","1") = "5"
    & skf21("2","5","5","2","6","6","7","1") = "6"
    & skf21("2","5","5","2","6","7","1","1") = "6"
    & skf21("2","5","5","2","6","7","2","1") = "6"
    & skf21("2","5","5","2","6","7","3","1") = "6"
    & skf21("2","5","5","2","6","7","4","1") = "6"
    & skf21("2","5","5","2","6","7","5","1") = "6"
    & skf21("2","5","5","2","6","7","6","1") = "6"
    & skf21("2","5","5","2","6","7","7","1") = "6"
    & skf21("2","5","5","2","7","1","1","1") = "6"
    & skf21("2","5","5","2","7","1","2","1") = "6"
    & skf21("2","5","5","2","7","1","3","1") = "6"
    & skf21("2","5","5","2","7","1","4","1") = "6"
    & skf21("2","5","5","2","7","1","5","1") = "6"
    & skf21("2","5","5","2","7","1","6","1") = "6"
    & skf21("2","5","5","2","7","1","7","1") = "6"
    & skf21("2","5","5","2","7","2","1","1") = "6"
    & skf21("2","5","5","2","7","2","2","1") = "6"
    & skf21("2","5","5","2","7","2","3","1") = "6"
    & skf21("2","5","5","2","7","2","4","1") = "6"
    & skf21("2","5","5","2","7","2","5","1") = "6"
    & skf21("2","5","5","2","7","2","6","1") = "6"
    & skf21("2","5","5","2","7","2","7","1") = "6"
    & skf21("2","5","5","2","7","3","1","1") = "6"
    & skf21("2","5","5","2","7","3","2","1") = "6"
    & skf21("2","5","5","2","7","3","3","1") = "6"
    & skf21("2","5","5","2","7","3","4","1") = "6"
    & skf21("2","5","5","2","7","3","5","1") = "6"
    & skf21("2","5","5","2","7","3","6","1") = "6"
    & skf21("2","5","5","2","7","3","7","1") = "6"
    & skf21("2","5","5","2","7","4","1","1") = "6"
    & skf21("2","5","5","2","7","4","2","1") = "6"
    & skf21("2","5","5","2","7","4","3","1") = "6"
    & skf21("2","5","5","2","7","4","4","1") = "6"
    & skf21("2","5","5","2","7","4","5","1") = "6"
    & skf21("2","5","5","2","7","4","6","1") = "6"
    & skf21("2","5","5","2","7","4","7","1") = "6"
    & skf21("2","5","5","2","7","5","1","1") = "6"
    & skf21("2","5","5","2","7","5","2","1") = "6"
    & skf21("2","5","5","2","7","5","3","1") = "6"
    & skf21("2","5","5","2","7","5","4","1") = "6"
    & skf21("2","5","5","2","7","5","5","1") = "6"
    & skf21("2","5","5","2","7","5","6","1") = "6"
    & skf21("2","5","5","2","7","5","7","1") = "6"
    & skf21("2","5","5","2","7","6","1","1") = "6"
    & skf21("2","5","5","2","7","6","2","1") = "6"
    & skf21("2","5","5","2","7","6","3","1") = "6"
    & skf21("2","5","5","2","7","6","4","1") = "6"
    & skf21("2","5","5","2","7","6","5","1") = "6"
    & skf21("2","5","5","2","7","6","6","1") = "6"
    & skf21("2","5","5","2","7","6","7","1") = "6"
    & skf21("2","5","5","2","7","7","1","1") = "6"
    & skf21("2","5","5","2","7","7","2","1") = "6"
    & skf21("2","5","5","2","7","7","3","1") = "6"
    & skf21("2","5","5","2","7","7","4","1") = "6"
    & skf21("2","5","5","2","7","7","5","1") = "6"
    & skf21("2","5","5","2","7","7","6","1") = "6"
    & skf21("2","5","5","2","7","7","7","1") = "6"
    & skf21("2","5","5","3","1","1","1","1") = "4"
    & skf21("2","5","5","3","1","1","2","1") = "4"
    & skf21("2","5","5","3","1","1","3","1") = "4"
    & skf21("2","5","5","3","1","1","4","1") = "4"
    & skf21("2","5","5","3","1","1","5","1") = "4"
    & skf21("2","5","5","3","1","1","6","1") = "5"
    & skf21("2","5","5","3","1","1","7","1") = "6"
    & skf21("2","5","5","3","1","2","1","1") = "4"
    & skf21("2","5","5","3","1","2","2","1") = "4"
    & skf21("2","5","5","3","1","2","3","1") = "4"
    & skf21("2","5","5","3","1","2","4","1") = "4"
    & skf21("2","5","5","3","1","2","5","1") = "4"
    & skf21("2","5","5","3","1","2","6","1") = "5"
    & skf21("2","5","5","3","1","2","7","1") = "6"
    & skf21("2","5","5","3","1","3","1","1") = "4"
    & skf21("2","5","5","3","1","3","2","1") = "4"
    & skf21("2","5","5","3","1","3","3","1") = "4"
    & skf21("2","5","5","3","1","3","4","1") = "4"
    & skf21("2","5","5","3","1","3","5","1") = "4"
    & skf21("2","5","5","3","1","3","6","1") = "5"
    & skf21("2","5","5","3","1","3","7","1") = "6"
    & skf21("2","5","5","3","1","4","1","1") = "4"
    & skf21("2","5","5","3","1","4","2","1") = "4"
    & skf21("2","5","5","3","1","4","3","1") = "4"
    & skf21("2","5","5","3","1","4","4","1") = "4"
    & skf21("2","5","5","3","1","4","5","1") = "4"
    & skf21("2","5","5","3","1","4","6","1") = "5"
    & skf21("2","5","5","3","1","4","7","1") = "6"
    & skf21("2","5","5","3","1","5","1","1") = "4"
    & skf21("2","5","5","3","1","5","2","1") = "4"
    & skf21("2","5","5","3","1","5","3","1") = "4"
    & skf21("2","5","5","3","1","5","4","1") = "4"
    & skf21("2","5","5","3","1","5","5","1") = "4"
    & skf21("2","5","5","3","1","5","6","1") = "5"
    & skf21("2","5","5","3","1","5","7","1") = "6"
    & skf21("2","5","5","3","1","6","1","1") = "5"
    & skf21("2","5","5","3","1","6","2","1") = "5"
    & skf21("2","5","5","3","1","6","3","1") = "5"
    & skf21("2","5","5","3","1","6","4","1") = "5"
    & skf21("2","5","5","3","1","6","5","1") = "5"
    & skf21("2","5","5","3","1","6","6","1") = "5"
    & skf21("2","5","5","3","1","6","7","1") = "6"
    & skf21("2","5","5","3","1","7","1","1") = "6"
    & skf21("2","5","5","3","1","7","2","1") = "6"
    & skf21("2","5","5","3","1","7","3","1") = "6"
    & skf21("2","5","5","3","1","7","4","1") = "6"
    & skf21("2","5","5","3","1","7","5","1") = "6"
    & skf21("2","5","5","3","1","7","6","1") = "6"
    & skf21("2","5","5","3","1","7","7","1") = "6"
    & skf21("2","5","5","3","2","1","1","1") = "4"
    & skf21("2","5","5","3","2","1","2","1") = "4"
    & skf21("2","5","5","3","2","1","3","1") = "4"
    & skf21("2","5","5","3","2","1","4","1") = "4"
    & skf21("2","5","5","3","2","1","5","1") = "4"
    & skf21("2","5","5","3","2","1","6","1") = "5"
    & skf21("2","5","5","3","2","1","7","1") = "6"
    & skf21("2","5","5","3","2","2","1","1") = "4"
    & skf21("2","5","5","3","2","2","2","1") = "4"
    & skf21("2","5","5","3","2","2","3","1") = "4"
    & skf21("2","5","5","3","2","2","4","1") = "4"
    & skf21("2","5","5","3","2","2","5","1") = "4"
    & skf21("2","5","5","3","2","2","6","1") = "5"
    & skf21("2","5","5","3","2","2","7","1") = "6"
    & skf21("2","5","5","3","2","3","1","1") = "4"
    & skf21("2","5","5","3","2","3","2","1") = "4"
    & skf21("2","5","5","3","2","3","3","1") = "4"
    & skf21("2","5","5","3","2","3","4","1") = "4"
    & skf21("2","5","5","3","2","3","5","1") = "4"
    & skf21("2","5","5","3","2","3","6","1") = "5"
    & skf21("2","5","5","3","2","3","7","1") = "6"
    & skf21("2","5","5","3","2","4","1","1") = "4"
    & skf21("2","5","5","3","2","4","2","1") = "4"
    & skf21("2","5","5","3","2","4","3","1") = "4"
    & skf21("2","5","5","3","2","4","4","1") = "4"
    & skf21("2","5","5","3","2","4","5","1") = "4"
    & skf21("2","5","5","3","2","4","6","1") = "5"
    & skf21("2","5","5","3","2","4","7","1") = "6"
    & skf21("2","5","5","3","2","5","1","1") = "4"
    & skf21("2","5","5","3","2","5","2","1") = "4"
    & skf21("2","5","5","3","2","5","3","1") = "4"
    & skf21("2","5","5","3","2","5","4","1") = "4"
    & skf21("2","5","5","3","2","5","5","1") = "4"
    & skf21("2","5","5","3","2","5","6","1") = "5"
    & skf21("2","5","5","3","2","5","7","1") = "6"
    & skf21("2","5","5","3","2","6","1","1") = "5"
    & skf21("2","5","5","3","2","6","2","1") = "5"
    & skf21("2","5","5","3","2","6","3","1") = "5"
    & skf21("2","5","5","3","2","6","4","1") = "5"
    & skf21("2","5","5","3","2","6","5","1") = "5"
    & skf21("2","5","5","3","2","6","6","1") = "5"
    & skf21("2","5","5","3","2","6","7","1") = "6"
    & skf21("2","5","5","3","2","7","1","1") = "6"
    & skf21("2","5","5","3","2","7","2","1") = "6"
    & skf21("2","5","5","3","2","7","3","1") = "6"
    & skf21("2","5","5","3","2","7","4","1") = "6"
    & skf21("2","5","5","3","2","7","5","1") = "6"
    & skf21("2","5","5","3","2","7","6","1") = "6"
    & skf21("2","5","5","3","2","7","7","1") = "6"
    & skf21("2","5","5","3","3","1","1","1") = "4"
    & skf21("2","5","5","3","3","1","2","1") = "4"
    & skf21("2","5","5","3","3","1","3","1") = "4"
    & skf21("2","5","5","3","3","1","4","1") = "4"
    & skf21("2","5","5","3","3","1","5","1") = "4"
    & skf21("2","5","5","3","3","1","6","1") = "5"
    & skf21("2","5","5","3","3","1","7","1") = "6"
    & skf21("2","5","5","3","3","2","1","1") = "4"
    & skf21("2","5","5","3","3","2","2","1") = "4"
    & skf21("2","5","5","3","3","2","3","1") = "4"
    & skf21("2","5","5","3","3","2","4","1") = "4"
    & skf21("2","5","5","3","3","2","5","1") = "4"
    & skf21("2","5","5","3","3","2","6","1") = "5"
    & skf21("2","5","5","3","3","2","7","1") = "6"
    & skf21("2","5","5","3","3","3","1","1") = "4"
    & skf21("2","5","5","3","3","3","2","1") = "4"
    & skf21("2","5","5","3","3","3","3","1") = "4"
    & skf21("2","5","5","3","3","3","4","1") = "4"
    & skf21("2","5","5","3","3","3","5","1") = "4"
    & skf21("2","5","5","3","3","3","6","1") = "5"
    & skf21("2","5","5","3","3","3","7","1") = "6"
    & skf21("2","5","5","3","3","4","1","1") = "4"
    & skf21("2","5","5","3","3","4","2","1") = "4"
    & skf21("2","5","5","3","3","4","3","1") = "4"
    & skf21("2","5","5","3","3","4","4","1") = "4"
    & skf21("2","5","5","3","3","4","5","1") = "4"
    & skf21("2","5","5","3","3","4","6","1") = "5"
    & skf21("2","5","5","3","3","4","7","1") = "6"
    & skf21("2","5","5","3","3","5","1","1") = "4"
    & skf21("2","5","5","3","3","5","2","1") = "4"
    & skf21("2","5","5","3","3","5","3","1") = "4"
    & skf21("2","5","5","3","3","5","4","1") = "4"
    & skf21("2","5","5","3","3","5","5","1") = "4"
    & skf21("2","5","5","3","3","5","6","1") = "5"
    & skf21("2","5","5","3","3","5","7","1") = "6"
    & skf21("2","5","5","3","3","6","1","1") = "5"
    & skf21("2","5","5","3","3","6","2","1") = "5"
    & skf21("2","5","5","3","3","6","3","1") = "5"
    & skf21("2","5","5","3","3","6","4","1") = "5"
    & skf21("2","5","5","3","3","6","5","1") = "5"
    & skf21("2","5","5","3","3","6","6","1") = "5"
    & skf21("2","5","5","3","3","6","7","1") = "6"
    & skf21("2","5","5","3","3","7","1","1") = "6"
    & skf21("2","5","5","3","3","7","2","1") = "6"
    & skf21("2","5","5","3","3","7","3","1") = "6"
    & skf21("2","5","5","3","3","7","4","1") = "6"
    & skf21("2","5","5","3","3","7","5","1") = "6"
    & skf21("2","5","5","3","3","7","6","1") = "6"
    & skf21("2","5","5","3","3","7","7","1") = "6"
    & skf21("2","5","5","3","4","1","1","1") = "4"
    & skf21("2","5","5","3","4","1","2","1") = "4"
    & skf21("2","5","5","3","4","1","3","1") = "4"
    & skf21("2","5","5","3","4","1","4","1") = "4"
    & skf21("2","5","5","3","4","1","5","1") = "4"
    & skf21("2","5","5","3","4","1","6","1") = "5"
    & skf21("2","5","5","3","4","1","7","1") = "6"
    & skf21("2","5","5","3","4","2","1","1") = "4"
    & skf21("2","5","5","3","4","2","2","1") = "4"
    & skf21("2","5","5","3","4","2","3","1") = "4"
    & skf21("2","5","5","3","4","2","4","1") = "4"
    & skf21("2","5","5","3","4","2","5","1") = "4"
    & skf21("2","5","5","3","4","2","6","1") = "5"
    & skf21("2","5","5","3","4","2","7","1") = "6"
    & skf21("2","5","5","3","4","3","1","1") = "4"
    & skf21("2","5","5","3","4","3","2","1") = "4"
    & skf21("2","5","5","3","4","3","3","1") = "4"
    & skf21("2","5","5","3","4","3","4","1") = "4"
    & skf21("2","5","5","3","4","3","5","1") = "4"
    & skf21("2","5","5","3","4","3","6","1") = "5"
    & skf21("2","5","5","3","4","3","7","1") = "6"
    & skf21("2","5","5","3","4","4","1","1") = "4"
    & skf21("2","5","5","3","4","4","2","1") = "4"
    & skf21("2","5","5","3","4","4","3","1") = "4"
    & skf21("2","5","5","3","4","4","4","1") = "4"
    & skf21("2","5","5","3","4","4","5","1") = "4"
    & skf21("2","5","5","3","4","4","6","1") = "5"
    & skf21("2","5","5","3","4","4","7","1") = "6"
    & skf21("2","5","5","3","4","5","1","1") = "4"
    & skf21("2","5","5","3","4","5","2","1") = "4"
    & skf21("2","5","5","3","4","5","3","1") = "4"
    & skf21("2","5","5","3","4","5","4","1") = "4"
    & skf21("2","5","5","3","4","5","5","1") = "4"
    & skf21("2","5","5","3","4","5","6","1") = "5"
    & skf21("2","5","5","3","4","5","7","1") = "6"
    & skf21("2","5","5","3","4","6","1","1") = "5"
    & skf21("2","5","5","3","4","6","2","1") = "5"
    & skf21("2","5","5","3","4","6","3","1") = "5"
    & skf21("2","5","5","3","4","6","4","1") = "5"
    & skf21("2","5","5","3","4","6","5","1") = "5"
    & skf21("2","5","5","3","4","6","6","1") = "5"
    & skf21("2","5","5","3","4","6","7","1") = "6"
    & skf21("2","5","5","3","4","7","1","1") = "6"
    & skf21("2","5","5","3","4","7","2","1") = "6"
    & skf21("2","5","5","3","4","7","3","1") = "6"
    & skf21("2","5","5","3","4","7","4","1") = "6"
    & skf21("2","5","5","3","4","7","5","1") = "6"
    & skf21("2","5","5","3","4","7","6","1") = "6"
    & skf21("2","5","5","3","4","7","7","1") = "6"
    & skf21("2","5","5","3","5","1","1","1") = "4"
    & skf21("2","5","5","3","5","1","2","1") = "4"
    & skf21("2","5","5","3","5","1","3","1") = "4"
    & skf21("2","5","5","3","5","1","4","1") = "4"
    & skf21("2","5","5","3","5","1","5","1") = "4"
    & skf21("2","5","5","3","5","1","6","1") = "5"
    & skf21("2","5","5","3","5","1","7","1") = "6"
    & skf21("2","5","5","3","5","2","1","1") = "4"
    & skf21("2","5","5","3","5","2","2","1") = "4"
    & skf21("2","5","5","3","5","2","3","1") = "4"
    & skf21("2","5","5","3","5","2","4","1") = "4"
    & skf21("2","5","5","3","5","2","5","1") = "4"
    & skf21("2","5","5","3","5","2","6","1") = "5"
    & skf21("2","5","5","3","5","2","7","1") = "6"
    & skf21("2","5","5","3","5","3","1","1") = "4"
    & skf21("2","5","5","3","5","3","2","1") = "4"
    & skf21("2","5","5","3","5","3","3","1") = "4"
    & skf21("2","5","5","3","5","3","4","1") = "4"
    & skf21("2","5","5","3","5","3","5","1") = "4"
    & skf21("2","5","5","3","5","3","6","1") = "5"
    & skf21("2","5","5","3","5","3","7","1") = "6"
    & skf21("2","5","5","3","5","4","1","1") = "4"
    & skf21("2","5","5","3","5","4","2","1") = "4"
    & skf21("2","5","5","3","5","4","3","1") = "4"
    & skf21("2","5","5","3","5","4","4","1") = "4"
    & skf21("2","5","5","3","5","4","5","1") = "4"
    & skf21("2","5","5","3","5","4","6","1") = "5"
    & skf21("2","5","5","3","5","4","7","1") = "6"
    & skf21("2","5","5","3","5","5","1","1") = "4"
    & skf21("2","5","5","3","5","5","2","1") = "4"
    & skf21("2","5","5","3","5","5","3","1") = "4"
    & skf21("2","5","5","3","5","5","4","1") = "4"
    & skf21("2","5","5","3","5","5","5","1") = "4"
    & skf21("2","5","5","3","5","5","6","1") = "5"
    & skf21("2","5","5","3","5","5","7","1") = "6"
    & skf21("2","5","5","3","5","6","1","1") = "5"
    & skf21("2","5","5","3","5","6","2","1") = "5"
    & skf21("2","5","5","3","5","6","3","1") = "5"
    & skf21("2","5","5","3","5","6","4","1") = "5"
    & skf21("2","5","5","3","5","6","5","1") = "5"
    & skf21("2","5","5","3","5","6","6","1") = "5"
    & skf21("2","5","5","3","5","6","7","1") = "6"
    & skf21("2","5","5","3","5","7","1","1") = "6"
    & skf21("2","5","5","3","5","7","2","1") = "6"
    & skf21("2","5","5","3","5","7","3","1") = "6"
    & skf21("2","5","5","3","5","7","4","1") = "6"
    & skf21("2","5","5","3","5","7","5","1") = "6"
    & skf21("2","5","5","3","5","7","6","1") = "6"
    & skf21("2","5","5","3","5","7","7","1") = "6"
    & skf21("2","5","5","3","6","1","1","1") = "5"
    & skf21("2","5","5","3","6","1","2","1") = "5"
    & skf21("2","5","5","3","6","1","3","1") = "5"
    & skf21("2","5","5","3","6","1","4","1") = "5"
    & skf21("2","5","5","3","6","1","5","1") = "5"
    & skf21("2","5","5","3","6","1","6","1") = "5"
    & skf21("2","5","5","3","6","1","7","1") = "6"
    & skf21("2","5","5","3","6","2","1","1") = "5"
    & skf21("2","5","5","3","6","2","2","1") = "5"
    & skf21("2","5","5","3","6","2","3","1") = "5"
    & skf21("2","5","5","3","6","2","4","1") = "5"
    & skf21("2","5","5","3","6","2","5","1") = "5"
    & skf21("2","5","5","3","6","2","6","1") = "5"
    & skf21("2","5","5","3","6","2","7","1") = "6"
    & skf21("2","5","5","3","6","3","1","1") = "5"
    & skf21("2","5","5","3","6","3","2","1") = "5"
    & skf21("2","5","5","3","6","3","3","1") = "5"
    & skf21("2","5","5","3","6","3","4","1") = "5"
    & skf21("2","5","5","3","6","3","5","1") = "5"
    & skf21("2","5","5","3","6","3","6","1") = "5"
    & skf21("2","5","5","3","6","3","7","1") = "6"
    & skf21("2","5","5","3","6","4","1","1") = "5"
    & skf21("2","5","5","3","6","4","2","1") = "5"
    & skf21("2","5","5","3","6","4","3","1") = "5"
    & skf21("2","5","5","3","6","4","4","1") = "5"
    & skf21("2","5","5","3","6","4","5","1") = "5"
    & skf21("2","5","5","3","6","4","6","1") = "5"
    & skf21("2","5","5","3","6","4","7","1") = "6"
    & skf21("2","5","5","3","6","5","1","1") = "5"
    & skf21("2","5","5","3","6","5","2","1") = "5"
    & skf21("2","5","5","3","6","5","3","1") = "5"
    & skf21("2","5","5","3","6","5","4","1") = "5"
    & skf21("2","5","5","3","6","5","5","1") = "5"
    & skf21("2","5","5","3","6","5","6","1") = "5"
    & skf21("2","5","5","3","6","5","7","1") = "6"
    & skf21("2","5","5","3","6","6","1","1") = "5"
    & skf21("2","5","5","3","6","6","2","1") = "5"
    & skf21("2","5","5","3","6","6","3","1") = "5"
    & skf21("2","5","5","3","6","6","4","1") = "5"
    & skf21("2","5","5","3","6","6","5","1") = "5"
    & skf21("2","5","5","3","6","6","6","1") = "5"
    & skf21("2","5","5","3","6","6","7","1") = "6"
    & skf21("2","5","5","3","6","7","1","1") = "6"
    & skf21("2","5","5","3","6","7","2","1") = "6"
    & skf21("2","5","5","3","6","7","3","1") = "6"
    & skf21("2","5","5","3","6","7","4","1") = "6"
    & skf21("2","5","5","3","6","7","5","1") = "6"
    & skf21("2","5","5","3","6","7","6","1") = "6"
    & skf21("2","5","5","3","6","7","7","1") = "6"
    & skf21("2","5","5","3","7","1","1","1") = "6"
    & skf21("2","5","5","3","7","1","2","1") = "6"
    & skf21("2","5","5","3","7","1","3","1") = "6"
    & skf21("2","5","5","3","7","1","4","1") = "6"
    & skf21("2","5","5","3","7","1","5","1") = "6"
    & skf21("2","5","5","3","7","1","6","1") = "6"
    & skf21("2","5","5","3","7","1","7","1") = "6"
    & skf21("2","5","5","3","7","2","1","1") = "6"
    & skf21("2","5","5","3","7","2","2","1") = "6"
    & skf21("2","5","5","3","7","2","3","1") = "6"
    & skf21("2","5","5","3","7","2","4","1") = "6"
    & skf21("2","5","5","3","7","2","5","1") = "6"
    & skf21("2","5","5","3","7","2","6","1") = "6"
    & skf21("2","5","5","3","7","2","7","1") = "6"
    & skf21("2","5","5","3","7","3","1","1") = "6"
    & skf21("2","5","5","3","7","3","2","1") = "6"
    & skf21("2","5","5","3","7","3","3","1") = "6"
    & skf21("2","5","5","3","7","3","4","1") = "6"
    & skf21("2","5","5","3","7","3","5","1") = "6"
    & skf21("2","5","5","3","7","3","6","1") = "6"
    & skf21("2","5","5","3","7","3","7","1") = "6"
    & skf21("2","5","5","3","7","4","1","1") = "6"
    & skf21("2","5","5","3","7","4","2","1") = "6"
    & skf21("2","5","5","3","7","4","3","1") = "6"
    & skf21("2","5","5","3","7","4","4","1") = "6"
    & skf21("2","5","5","3","7","4","5","1") = "6"
    & skf21("2","5","5","3","7","4","6","1") = "6"
    & skf21("2","5","5","3","7","4","7","1") = "6"
    & skf21("2","5","5","3","7","5","1","1") = "6"
    & skf21("2","5","5","3","7","5","2","1") = "6"
    & skf21("2","5","5","3","7","5","3","1") = "6"
    & skf21("2","5","5","3","7","5","4","1") = "6"
    & skf21("2","5","5","3","7","5","5","1") = "6"
    & skf21("2","5","5","3","7","5","6","1") = "6"
    & skf21("2","5","5","3","7","5","7","1") = "6"
    & skf21("2","5","5","3","7","6","1","1") = "6"
    & skf21("2","5","5","3","7","6","2","1") = "6"
    & skf21("2","5","5","3","7","6","3","1") = "6"
    & skf21("2","5","5","3","7","6","4","1") = "6"
    & skf21("2","5","5","3","7","6","5","1") = "6"
    & skf21("2","5","5","3","7","6","6","1") = "6"
    & skf21("2","5","5","3","7","6","7","1") = "6"
    & skf21("2","5","5","3","7","7","1","1") = "6"
    & skf21("2","5","5","3","7","7","2","1") = "6"
    & skf21("2","5","5","3","7","7","3","1") = "6"
    & skf21("2","5","5","3","7","7","4","1") = "6"
    & skf21("2","5","5","3","7","7","5","1") = "6"
    & skf21("2","5","5","3","7","7","6","1") = "6"
    & skf21("2","5","5","3","7","7","7","1") = "6"
    & skf21("2","5","5","4","1","1","1","1") = "4"
    & skf21("2","5","5","4","1","1","2","1") = "4"
    & skf21("2","5","5","4","1","1","3","1") = "4"
    & skf21("2","5","5","4","1","1","4","1") = "4"
    & skf21("2","5","5","4","1","1","5","1") = "4"
    & skf21("2","5","5","4","1","1","6","1") = "5"
    & skf21("2","5","5","4","1","1","7","1") = "6"
    & skf21("2","5","5","4","1","2","1","1") = "4"
    & skf21("2","5","5","4","1","2","2","1") = "4"
    & skf21("2","5","5","4","1","2","3","1") = "4"
    & skf21("2","5","5","4","1","2","4","1") = "4"
    & skf21("2","5","5","4","1","2","5","1") = "4"
    & skf21("2","5","5","4","1","2","6","1") = "5"
    & skf21("2","5","5","4","1","2","7","1") = "6"
    & skf21("2","5","5","4","1","3","1","1") = "4"
    & skf21("2","5","5","4","1","3","2","1") = "4"
    & skf21("2","5","5","4","1","3","3","1") = "4"
    & skf21("2","5","5","4","1","3","4","1") = "4"
    & skf21("2","5","5","4","1","3","5","1") = "4"
    & skf21("2","5","5","4","1","3","6","1") = "5"
    & skf21("2","5","5","4","1","3","7","1") = "6"
    & skf21("2","5","5","4","1","4","1","1") = "4"
    & skf21("2","5","5","4","1","4","2","1") = "4"
    & skf21("2","5","5","4","1","4","3","1") = "4"
    & skf21("2","5","5","4","1","4","4","1") = "4"
    & skf21("2","5","5","4","1","4","5","1") = "4"
    & skf21("2","5","5","4","1","4","6","1") = "5"
    & skf21("2","5","5","4","1","4","7","1") = "6"
    & skf21("2","5","5","4","1","5","1","1") = "4"
    & skf21("2","5","5","4","1","5","2","1") = "4"
    & skf21("2","5","5","4","1","5","3","1") = "4"
    & skf21("2","5","5","4","1","5","4","1") = "4"
    & skf21("2","5","5","4","1","5","5","1") = "4"
    & skf21("2","5","5","4","1","5","6","1") = "5"
    & skf21("2","5","5","4","1","5","7","1") = "6"
    & skf21("2","5","5","4","1","6","1","1") = "5"
    & skf21("2","5","5","4","1","6","2","1") = "5"
    & skf21("2","5","5","4","1","6","3","1") = "5"
    & skf21("2","5","5","4","1","6","4","1") = "5"
    & skf21("2","5","5","4","1","6","5","1") = "5"
    & skf21("2","5","5","4","1","6","6","1") = "5"
    & skf21("2","5","5","4","1","6","7","1") = "6"
    & skf21("2","5","5","4","1","7","1","1") = "6"
    & skf21("2","5","5","4","1","7","2","1") = "6"
    & skf21("2","5","5","4","1","7","3","1") = "6"
    & skf21("2","5","5","4","1","7","4","1") = "6"
    & skf21("2","5","5","4","1","7","5","1") = "6"
    & skf21("2","5","5","4","1","7","6","1") = "6"
    & skf21("2","5","5","4","1","7","7","1") = "6"
    & skf21("2","5","5","4","2","1","1","1") = "4"
    & skf21("2","5","5","4","2","1","2","1") = "4"
    & skf21("2","5","5","4","2","1","3","1") = "4"
    & skf21("2","5","5","4","2","1","4","1") = "4"
    & skf21("2","5","5","4","2","1","5","1") = "4"
    & skf21("2","5","5","4","2","1","6","1") = "5"
    & skf21("2","5","5","4","2","1","7","1") = "6"
    & skf21("2","5","5","4","2","2","1","1") = "4"
    & skf21("2","5","5","4","2","2","2","1") = "4"
    & skf21("2","5","5","4","2","2","3","1") = "4"
    & skf21("2","5","5","4","2","2","4","1") = "4"
    & skf21("2","5","5","4","2","2","5","1") = "4"
    & skf21("2","5","5","4","2","2","6","1") = "5"
    & skf21("2","5","5","4","2","2","7","1") = "6"
    & skf21("2","5","5","4","2","3","1","1") = "4"
    & skf21("2","5","5","4","2","3","2","1") = "4"
    & skf21("2","5","5","4","2","3","3","1") = "4"
    & skf21("2","5","5","4","2","3","4","1") = "4"
    & skf21("2","5","5","4","2","3","5","1") = "4"
    & skf21("2","5","5","4","2","3","6","1") = "5"
    & skf21("2","5","5","4","2","3","7","1") = "6"
    & skf21("2","5","5","4","2","4","1","1") = "4"
    & skf21("2","5","5","4","2","4","2","1") = "4"
    & skf21("2","5","5","4","2","4","3","1") = "4"
    & skf21("2","5","5","4","2","4","4","1") = "4"
    & skf21("2","5","5","4","2","4","5","1") = "4"
    & skf21("2","5","5","4","2","4","6","1") = "5"
    & skf21("2","5","5","4","2","4","7","1") = "6"
    & skf21("2","5","5","4","2","5","1","1") = "4"
    & skf21("2","5","5","4","2","5","2","1") = "4"
    & skf21("2","5","5","4","2","5","3","1") = "4"
    & skf21("2","5","5","4","2","5","4","1") = "4"
    & skf21("2","5","5","4","2","5","5","1") = "4"
    & skf21("2","5","5","4","2","5","6","1") = "5"
    & skf21("2","5","5","4","2","5","7","1") = "6"
    & skf21("2","5","5","4","2","6","1","1") = "5"
    & skf21("2","5","5","4","2","6","2","1") = "5"
    & skf21("2","5","5","4","2","6","3","1") = "5"
    & skf21("2","5","5","4","2","6","4","1") = "5"
    & skf21("2","5","5","4","2","6","5","1") = "5"
    & skf21("2","5","5","4","2","6","6","1") = "5"
    & skf21("2","5","5","4","2","6","7","1") = "6"
    & skf21("2","5","5","4","2","7","1","1") = "6"
    & skf21("2","5","5","4","2","7","2","1") = "6"
    & skf21("2","5","5","4","2","7","3","1") = "6"
    & skf21("2","5","5","4","2","7","4","1") = "6"
    & skf21("2","5","5","4","2","7","5","1") = "6"
    & skf21("2","5","5","4","2","7","6","1") = "6"
    & skf21("2","5","5","4","2","7","7","1") = "6"
    & skf21("2","5","5","4","3","1","1","1") = "4"
    & skf21("2","5","5","4","3","1","2","1") = "4"
    & skf21("2","5","5","4","3","1","3","1") = "4"
    & skf21("2","5","5","4","3","1","4","1") = "4"
    & skf21("2","5","5","4","3","1","5","1") = "4"
    & skf21("2","5","5","4","3","1","6","1") = "5"
    & skf21("2","5","5","4","3","1","7","1") = "6"
    & skf21("2","5","5","4","3","2","1","1") = "4"
    & skf21("2","5","5","4","3","2","2","1") = "4"
    & skf21("2","5","5","4","3","2","3","1") = "4"
    & skf21("2","5","5","4","3","2","4","1") = "4"
    & skf21("2","5","5","4","3","2","5","1") = "4"
    & skf21("2","5","5","4","3","2","6","1") = "5"
    & skf21("2","5","5","4","3","2","7","1") = "6"
    & skf21("2","5","5","4","3","3","1","1") = "4"
    & skf21("2","5","5","4","3","3","2","1") = "4"
    & skf21("2","5","5","4","3","3","3","1") = "4"
    & skf21("2","5","5","4","3","3","4","1") = "4"
    & skf21("2","5","5","4","3","3","5","1") = "4"
    & skf21("2","5","5","4","3","3","6","1") = "5"
    & skf21("2","5","5","4","3","3","7","1") = "6"
    & skf21("2","5","5","4","3","4","1","1") = "4"
    & skf21("2","5","5","4","3","4","2","1") = "4"
    & skf21("2","5","5","4","3","4","3","1") = "4"
    & skf21("2","5","5","4","3","4","4","1") = "4"
    & skf21("2","5","5","4","3","4","5","1") = "4"
    & skf21("2","5","5","4","3","4","6","1") = "5"
    & skf21("2","5","5","4","3","4","7","1") = "6"
    & skf21("2","5","5","4","3","5","1","1") = "4"
    & skf21("2","5","5","4","3","5","2","1") = "4"
    & skf21("2","5","5","4","3","5","3","1") = "4"
    & skf21("2","5","5","4","3","5","4","1") = "4"
    & skf21("2","5","5","4","3","5","5","1") = "4"
    & skf21("2","5","5","4","3","5","6","1") = "5"
    & skf21("2","5","5","4","3","5","7","1") = "6"
    & skf21("2","5","5","4","3","6","1","1") = "5"
    & skf21("2","5","5","4","3","6","2","1") = "5"
    & skf21("2","5","5","4","3","6","3","1") = "5"
    & skf21("2","5","5","4","3","6","4","1") = "5"
    & skf21("2","5","5","4","3","6","5","1") = "5"
    & skf21("2","5","5","4","3","6","6","1") = "5"
    & skf21("2","5","5","4","3","6","7","1") = "6"
    & skf21("2","5","5","4","3","7","1","1") = "6"
    & skf21("2","5","5","4","3","7","2","1") = "6"
    & skf21("2","5","5","4","3","7","3","1") = "6"
    & skf21("2","5","5","4","3","7","4","1") = "6"
    & skf21("2","5","5","4","3","7","5","1") = "6"
    & skf21("2","5","5","4","3","7","6","1") = "6"
    & skf21("2","5","5","4","3","7","7","1") = "6"
    & skf21("2","5","5","4","4","1","1","1") = "4"
    & skf21("2","5","5","4","4","1","2","1") = "4"
    & skf21("2","5","5","4","4","1","3","1") = "4"
    & skf21("2","5","5","4","4","1","4","1") = "4"
    & skf21("2","5","5","4","4","1","5","1") = "4"
    & skf21("2","5","5","4","4","1","6","1") = "5"
    & skf21("2","5","5","4","4","1","7","1") = "6"
    & skf21("2","5","5","4","4","2","1","1") = "4"
    & skf21("2","5","5","4","4","2","2","1") = "4"
    & skf21("2","5","5","4","4","2","3","1") = "4"
    & skf21("2","5","5","4","4","2","4","1") = "4"
    & skf21("2","5","5","4","4","2","5","1") = "4"
    & skf21("2","5","5","4","4","2","6","1") = "5"
    & skf21("2","5","5","4","4","2","7","1") = "6"
    & skf21("2","5","5","4","4","3","1","1") = "4"
    & skf21("2","5","5","4","4","3","2","1") = "4"
    & skf21("2","5","5","4","4","3","3","1") = "4"
    & skf21("2","5","5","4","4","3","4","1") = "4"
    & skf21("2","5","5","4","4","3","5","1") = "4"
    & skf21("2","5","5","4","4","3","6","1") = "5"
    & skf21("2","5","5","4","4","3","7","1") = "6"
    & skf21("2","5","5","4","4","4","1","1") = "4"
    & skf21("2","5","5","4","4","4","2","1") = "4"
    & skf21("2","5","5","4","4","4","3","1") = "4"
    & skf21("2","5","5","4","4","4","4","1") = "4"
    & skf21("2","5","5","4","4","4","5","1") = "4"
    & skf21("2","5","5","4","4","4","6","1") = "5"
    & skf21("2","5","5","4","4","4","7","1") = "6"
    & skf21("2","5","5","4","4","5","1","1") = "4"
    & skf21("2","5","5","4","4","5","2","1") = "4"
    & skf21("2","5","5","4","4","5","3","1") = "4"
    & skf21("2","5","5","4","4","5","4","1") = "4"
    & skf21("2","5","5","4","4","5","5","1") = "4"
    & skf21("2","5","5","4","4","5","6","1") = "5"
    & skf21("2","5","5","4","4","5","7","1") = "6"
    & skf21("2","5","5","4","4","6","1","1") = "5"
    & skf21("2","5","5","4","4","6","2","1") = "5"
    & skf21("2","5","5","4","4","6","3","1") = "5"
    & skf21("2","5","5","4","4","6","4","1") = "5"
    & skf21("2","5","5","4","4","6","5","1") = "5"
    & skf21("2","5","5","4","4","6","6","1") = "5"
    & skf21("2","5","5","4","4","6","7","1") = "6"
    & skf21("2","5","5","4","4","7","1","1") = "6"
    & skf21("2","5","5","4","4","7","2","1") = "6"
    & skf21("2","5","5","4","4","7","3","1") = "6"
    & skf21("2","5","5","4","4","7","4","1") = "6"
    & skf21("2","5","5","4","4","7","5","1") = "6"
    & skf21("2","5","5","4","4","7","6","1") = "6"
    & skf21("2","5","5","4","4","7","7","1") = "6"
    & skf21("2","5","5","4","5","1","1","1") = "4"
    & skf21("2","5","5","4","5","1","2","1") = "4"
    & skf21("2","5","5","4","5","1","3","1") = "4"
    & skf21("2","5","5","4","5","1","4","1") = "4"
    & skf21("2","5","5","4","5","1","5","1") = "4"
    & skf21("2","5","5","4","5","1","6","1") = "5"
    & skf21("2","5","5","4","5","1","7","1") = "6"
    & skf21("2","5","5","4","5","2","1","1") = "4"
    & skf21("2","5","5","4","5","2","2","1") = "4"
    & skf21("2","5","5","4","5","2","3","1") = "4"
    & skf21("2","5","5","4","5","2","4","1") = "4"
    & skf21("2","5","5","4","5","2","5","1") = "4"
    & skf21("2","5","5","4","5","2","6","1") = "5"
    & skf21("2","5","5","4","5","2","7","1") = "6"
    & skf21("2","5","5","4","5","3","1","1") = "4"
    & skf21("2","5","5","4","5","3","2","1") = "4"
    & skf21("2","5","5","4","5","3","3","1") = "4"
    & skf21("2","5","5","4","5","3","4","1") = "4"
    & skf21("2","5","5","4","5","3","5","1") = "4"
    & skf21("2","5","5","4","5","3","6","1") = "5"
    & skf21("2","5","5","4","5","3","7","1") = "6"
    & skf21("2","5","5","4","5","4","1","1") = "4"
    & skf21("2","5","5","4","5","4","2","1") = "4"
    & skf21("2","5","5","4","5","4","3","1") = "4"
    & skf21("2","5","5","4","5","4","4","1") = "4"
    & skf21("2","5","5","4","5","4","5","1") = "4"
    & skf21("2","5","5","4","5","4","6","1") = "5"
    & skf21("2","5","5","4","5","4","7","1") = "6"
    & skf21("2","5","5","4","5","5","1","1") = "4"
    & skf21("2","5","5","4","5","5","2","1") = "4"
    & skf21("2","5","5","4","5","5","3","1") = "4"
    & skf21("2","5","5","4","5","5","4","1") = "4"
    & skf21("2","5","5","4","5","5","5","1") = "4"
    & skf21("2","5","5","4","5","5","6","1") = "5"
    & skf21("2","5","5","4","5","5","7","1") = "6"
    & skf21("2","5","5","4","5","6","1","1") = "5"
    & skf21("2","5","5","4","5","6","2","1") = "5"
    & skf21("2","5","5","4","5","6","3","1") = "5"
    & skf21("2","5","5","4","5","6","4","1") = "5"
    & skf21("2","5","5","4","5","6","5","1") = "5"
    & skf21("2","5","5","4","5","6","6","1") = "5"
    & skf21("2","5","5","4","5","6","7","1") = "6"
    & skf21("2","5","5","4","5","7","1","1") = "6"
    & skf21("2","5","5","4","5","7","2","1") = "6"
    & skf21("2","5","5","4","5","7","3","1") = "6"
    & skf21("2","5","5","4","5","7","4","1") = "6"
    & skf21("2","5","5","4","5","7","5","1") = "6"
    & skf21("2","5","5","4","5","7","6","1") = "6"
    & skf21("2","5","5","4","5","7","7","1") = "6"
    & skf21("2","5","5","4","6","1","1","1") = "5"
    & skf21("2","5","5","4","6","1","2","1") = "5"
    & skf21("2","5","5","4","6","1","3","1") = "5"
    & skf21("2","5","5","4","6","1","4","1") = "5"
    & skf21("2","5","5","4","6","1","5","1") = "5"
    & skf21("2","5","5","4","6","1","6","1") = "5"
    & skf21("2","5","5","4","6","1","7","1") = "6"
    & skf21("2","5","5","4","6","2","1","1") = "5"
    & skf21("2","5","5","4","6","2","2","1") = "5"
    & skf21("2","5","5","4","6","2","3","1") = "5"
    & skf21("2","5","5","4","6","2","4","1") = "5"
    & skf21("2","5","5","4","6","2","5","1") = "5"
    & skf21("2","5","5","4","6","2","6","1") = "5"
    & skf21("2","5","5","4","6","2","7","1") = "6"
    & skf21("2","5","5","4","6","3","1","1") = "5"
    & skf21("2","5","5","4","6","3","2","1") = "5"
    & skf21("2","5","5","4","6","3","3","1") = "5"
    & skf21("2","5","5","4","6","3","4","1") = "5"
    & skf21("2","5","5","4","6","3","5","1") = "5"
    & skf21("2","5","5","4","6","3","6","1") = "5"
    & skf21("2","5","5","4","6","3","7","1") = "6"
    & skf21("2","5","5","4","6","4","1","1") = "5"
    & skf21("2","5","5","4","6","4","2","1") = "5"
    & skf21("2","5","5","4","6","4","3","1") = "5"
    & skf21("2","5","5","4","6","4","4","1") = "5"
    & skf21("2","5","5","4","6","4","5","1") = "5"
    & skf21("2","5","5","4","6","4","6","1") = "5"
    & skf21("2","5","5","4","6","4","7","1") = "6"
    & skf21("2","5","5","4","6","5","1","1") = "5"
    & skf21("2","5","5","4","6","5","2","1") = "5"
    & skf21("2","5","5","4","6","5","3","1") = "5"
    & skf21("2","5","5","4","6","5","4","1") = "5"
    & skf21("2","5","5","4","6","5","5","1") = "5"
    & skf21("2","5","5","4","6","5","6","1") = "5"
    & skf21("2","5","5","4","6","5","7","1") = "6"
    & skf21("2","5","5","4","6","6","1","1") = "5"
    & skf21("2","5","5","4","6","6","2","1") = "5"
    & skf21("2","5","5","4","6","6","3","1") = "5"
    & skf21("2","5","5","4","6","6","4","1") = "5"
    & skf21("2","5","5","4","6","6","5","1") = "5"
    & skf21("2","5","5","4","6","6","6","1") = "5"
    & skf21("2","5","5","4","6","6","7","1") = "6"
    & skf21("2","5","5","4","6","7","1","1") = "6"
    & skf21("2","5","5","4","6","7","2","1") = "6"
    & skf21("2","5","5","4","6","7","3","1") = "6"
    & skf21("2","5","5","4","6","7","4","1") = "6"
    & skf21("2","5","5","4","6","7","5","1") = "6"
    & skf21("2","5","5","4","6","7","6","1") = "6"
    & skf21("2","5","5","4","6","7","7","1") = "6"
    & skf21("2","5","5","4","7","1","1","1") = "6"
    & skf21("2","5","5","4","7","1","2","1") = "6"
    & skf21("2","5","5","4","7","1","3","1") = "6"
    & skf21("2","5","5","4","7","1","4","1") = "6"
    & skf21("2","5","5","4","7","1","5","1") = "6"
    & skf21("2","5","5","4","7","1","6","1") = "6"
    & skf21("2","5","5","4","7","1","7","1") = "6"
    & skf21("2","5","5","4","7","2","1","1") = "6"
    & skf21("2","5","5","4","7","2","2","1") = "6"
    & skf21("2","5","5","4","7","2","3","1") = "6"
    & skf21("2","5","5","4","7","2","4","1") = "6"
    & skf21("2","5","5","4","7","2","5","1") = "6"
    & skf21("2","5","5","4","7","2","6","1") = "6"
    & skf21("2","5","5","4","7","2","7","1") = "6"
    & skf21("2","5","5","4","7","3","1","1") = "6"
    & skf21("2","5","5","4","7","3","2","1") = "6"
    & skf21("2","5","5","4","7","3","3","1") = "6"
    & skf21("2","5","5","4","7","3","4","1") = "6"
    & skf21("2","5","5","4","7","3","5","1") = "6"
    & skf21("2","5","5","4","7","3","6","1") = "6"
    & skf21("2","5","5","4","7","3","7","1") = "6"
    & skf21("2","5","5","4","7","4","1","1") = "6"
    & skf21("2","5","5","4","7","4","2","1") = "6"
    & skf21("2","5","5","4","7","4","3","1") = "6"
    & skf21("2","5","5","4","7","4","4","1") = "6"
    & skf21("2","5","5","4","7","4","5","1") = "6"
    & skf21("2","5","5","4","7","4","6","1") = "6"
    & skf21("2","5","5","4","7","4","7","1") = "6"
    & skf21("2","5","5","4","7","5","1","1") = "6"
    & skf21("2","5","5","4","7","5","2","1") = "6"
    & skf21("2","5","5","4","7","5","3","1") = "6"
    & skf21("2","5","5","4","7","5","4","1") = "6"
    & skf21("2","5","5","4","7","5","5","1") = "6"
    & skf21("2","5","5","4","7","5","6","1") = "6"
    & skf21("2","5","5","4","7","5","7","1") = "6"
    & skf21("2","5","5","4","7","6","1","1") = "6"
    & skf21("2","5","5","4","7","6","2","1") = "6"
    & skf21("2","5","5","4","7","6","3","1") = "6"
    & skf21("2","5","5","4","7","6","4","1") = "6"
    & skf21("2","5","5","4","7","6","5","1") = "6"
    & skf21("2","5","5","4","7","6","6","1") = "6"
    & skf21("2","5","5","4","7","6","7","1") = "6"
    & skf21("2","5","5","4","7","7","1","1") = "6"
    & skf21("2","5","5","4","7","7","2","1") = "6"
    & skf21("2","5","5","4","7","7","3","1") = "6"
    & skf21("2","5","5","4","7","7","4","1") = "6"
    & skf21("2","5","5","4","7","7","5","1") = "6"
    & skf21("2","5","5","4","7","7","6","1") = "6"
    & skf21("2","5","5","4","7","7","7","1") = "6"
    & skf21("2","5","5","5","1","1","1","1") = "4"
    & skf21("2","5","5","5","1","1","2","1") = "4"
    & skf21("2","5","5","5","1","1","3","1") = "4"
    & skf21("2","5","5","5","1","1","4","1") = "4"
    & skf21("2","5","5","5","1","1","5","1") = "4"
    & skf21("2","5","5","5","1","1","6","1") = "5"
    & skf21("2","5","5","5","1","1","7","1") = "6"
    & skf21("2","5","5","5","1","2","1","1") = "4"
    & skf21("2","5","5","5","1","2","2","1") = "4"
    & skf21("2","5","5","5","1","2","3","1") = "4"
    & skf21("2","5","5","5","1","2","4","1") = "4"
    & skf21("2","5","5","5","1","2","5","1") = "4"
    & skf21("2","5","5","5","1","2","6","1") = "5"
    & skf21("2","5","5","5","1","2","7","1") = "6"
    & skf21("2","5","5","5","1","3","1","1") = "4"
    & skf21("2","5","5","5","1","3","2","1") = "4"
    & skf21("2","5","5","5","1","3","3","1") = "4"
    & skf21("2","5","5","5","1","3","4","1") = "4"
    & skf21("2","5","5","5","1","3","5","1") = "4"
    & skf21("2","5","5","5","1","3","6","1") = "5"
    & skf21("2","5","5","5","1","3","7","1") = "6"
    & skf21("2","5","5","5","1","4","1","1") = "4"
    & skf21("2","5","5","5","1","4","2","1") = "4"
    & skf21("2","5","5","5","1","4","3","1") = "4"
    & skf21("2","5","5","5","1","4","4","1") = "4"
    & skf21("2","5","5","5","1","4","5","1") = "4"
    & skf21("2","5","5","5","1","4","6","1") = "5"
    & skf21("2","5","5","5","1","4","7","1") = "6"
    & skf21("2","5","5","5","1","5","1","1") = "4"
    & skf21("2","5","5","5","1","5","2","1") = "4"
    & skf21("2","5","5","5","1","5","3","1") = "4"
    & skf21("2","5","5","5","1","5","4","1") = "4"
    & skf21("2","5","5","5","1","5","5","1") = "4"
    & skf21("2","5","5","5","1","5","6","1") = "5"
    & skf21("2","5","5","5","1","5","7","1") = "6"
    & skf21("2","5","5","5","1","6","1","1") = "5"
    & skf21("2","5","5","5","1","6","2","1") = "5"
    & skf21("2","5","5","5","1","6","3","1") = "5"
    & skf21("2","5","5","5","1","6","4","1") = "5"
    & skf21("2","5","5","5","1","6","5","1") = "5"
    & skf21("2","5","5","5","1","6","6","1") = "5"
    & skf21("2","5","5","5","1","6","7","1") = "6"
    & skf21("2","5","5","5","1","7","1","1") = "6"
    & skf21("2","5","5","5","1","7","2","1") = "6"
    & skf21("2","5","5","5","1","7","3","1") = "6"
    & skf21("2","5","5","5","1","7","4","1") = "6"
    & skf21("2","5","5","5","1","7","5","1") = "6"
    & skf21("2","5","5","5","1","7","6","1") = "6"
    & skf21("2","5","5","5","1","7","7","1") = "6"
    & skf21("2","5","5","5","2","1","1","1") = "4"
    & skf21("2","5","5","5","2","1","2","1") = "4"
    & skf21("2","5","5","5","2","1","3","1") = "4"
    & skf21("2","5","5","5","2","1","4","1") = "4"
    & skf21("2","5","5","5","2","1","5","1") = "4"
    & skf21("2","5","5","5","2","1","6","1") = "5"
    & skf21("2","5","5","5","2","1","7","1") = "6"
    & skf21("2","5","5","5","2","2","1","1") = "4"
    & skf21("2","5","5","5","2","2","2","1") = "4"
    & skf21("2","5","5","5","2","2","3","1") = "4"
    & skf21("2","5","5","5","2","2","4","1") = "4"
    & skf21("2","5","5","5","2","2","5","1") = "4"
    & skf21("2","5","5","5","2","2","6","1") = "5"
    & skf21("2","5","5","5","2","2","7","1") = "6"
    & skf21("2","5","5","5","2","3","1","1") = "4"
    & skf21("2","5","5","5","2","3","2","1") = "4"
    & skf21("2","5","5","5","2","3","3","1") = "4"
    & skf21("2","5","5","5","2","3","4","1") = "4"
    & skf21("2","5","5","5","2","3","5","1") = "4"
    & skf21("2","5","5","5","2","3","6","1") = "5"
    & skf21("2","5","5","5","2","3","7","1") = "6"
    & skf21("2","5","5","5","2","4","1","1") = "4"
    & skf21("2","5","5","5","2","4","2","1") = "4"
    & skf21("2","5","5","5","2","4","3","1") = "4"
    & skf21("2","5","5","5","2","4","4","1") = "4"
    & skf21("2","5","5","5","2","4","5","1") = "4"
    & skf21("2","5","5","5","2","4","6","1") = "5"
    & skf21("2","5","5","5","2","4","7","1") = "6"
    & skf21("2","5","5","5","2","5","1","1") = "4"
    & skf21("2","5","5","5","2","5","2","1") = "4"
    & skf21("2","5","5","5","2","5","3","1") = "4"
    & skf21("2","5","5","5","2","5","4","1") = "4"
    & skf21("2","5","5","5","2","5","5","1") = "4"
    & skf21("2","5","5","5","2","5","6","1") = "5"
    & skf21("2","5","5","5","2","5","7","1") = "6"
    & skf21("2","5","5","5","2","6","1","1") = "5"
    & skf21("2","5","5","5","2","6","2","1") = "5"
    & skf21("2","5","5","5","2","6","3","1") = "5"
    & skf21("2","5","5","5","2","6","4","1") = "5"
    & skf21("2","5","5","5","2","6","5","1") = "5"
    & skf21("2","5","5","5","2","6","6","1") = "5"
    & skf21("2","5","5","5","2","6","7","1") = "6"
    & skf21("2","5","5","5","2","7","1","1") = "6"
    & skf21("2","5","5","5","2","7","2","1") = "6"
    & skf21("2","5","5","5","2","7","3","1") = "6"
    & skf21("2","5","5","5","2","7","4","1") = "6"
    & skf21("2","5","5","5","2","7","5","1") = "6"
    & skf21("2","5","5","5","2","7","6","1") = "6"
    & skf21("2","5","5","5","2","7","7","1") = "6"
    & skf21("2","5","5","5","3","1","1","1") = "4"
    & skf21("2","5","5","5","3","1","2","1") = "4"
    & skf21("2","5","5","5","3","1","3","1") = "4"
    & skf21("2","5","5","5","3","1","4","1") = "4"
    & skf21("2","5","5","5","3","1","5","1") = "4"
    & skf21("2","5","5","5","3","1","6","1") = "5"
    & skf21("2","5","5","5","3","1","7","1") = "6"
    & skf21("2","5","5","5","3","2","1","1") = "4"
    & skf21("2","5","5","5","3","2","2","1") = "4"
    & skf21("2","5","5","5","3","2","3","1") = "4"
    & skf21("2","5","5","5","3","2","4","1") = "4"
    & skf21("2","5","5","5","3","2","5","1") = "4"
    & skf21("2","5","5","5","3","2","6","1") = "5"
    & skf21("2","5","5","5","3","2","7","1") = "6"
    & skf21("2","5","5","5","3","3","1","1") = "4"
    & skf21("2","5","5","5","3","3","2","1") = "4"
    & skf21("2","5","5","5","3","3","3","1") = "4"
    & skf21("2","5","5","5","3","3","4","1") = "4"
    & skf21("2","5","5","5","3","3","5","1") = "4"
    & skf21("2","5","5","5","3","3","6","1") = "5"
    & skf21("2","5","5","5","3","3","7","1") = "6"
    & skf21("2","5","5","5","3","4","1","1") = "4"
    & skf21("2","5","5","5","3","4","2","1") = "4"
    & skf21("2","5","5","5","3","4","3","1") = "4"
    & skf21("2","5","5","5","3","4","4","1") = "4"
    & skf21("2","5","5","5","3","4","5","1") = "4"
    & skf21("2","5","5","5","3","4","6","1") = "5"
    & skf21("2","5","5","5","3","4","7","1") = "6"
    & skf21("2","5","5","5","3","5","1","1") = "4"
    & skf21("2","5","5","5","3","5","2","1") = "4"
    & skf21("2","5","5","5","3","5","3","1") = "4"
    & skf21("2","5","5","5","3","5","4","1") = "4"
    & skf21("2","5","5","5","3","5","5","1") = "4"
    & skf21("2","5","5","5","3","5","6","1") = "5"
    & skf21("2","5","5","5","3","5","7","1") = "6"
    & skf21("2","5","5","5","3","6","1","1") = "5"
    & skf21("2","5","5","5","3","6","2","1") = "5"
    & skf21("2","5","5","5","3","6","3","1") = "5"
    & skf21("2","5","5","5","3","6","4","1") = "5"
    & skf21("2","5","5","5","3","6","5","1") = "5"
    & skf21("2","5","5","5","3","6","6","1") = "5"
    & skf21("2","5","5","5","3","6","7","1") = "6"
    & skf21("2","5","5","5","3","7","1","1") = "6"
    & skf21("2","5","5","5","3","7","2","1") = "6"
    & skf21("2","5","5","5","3","7","3","1") = "6"
    & skf21("2","5","5","5","3","7","4","1") = "6"
    & skf21("2","5","5","5","3","7","5","1") = "6"
    & skf21("2","5","5","5","3","7","6","1") = "6"
    & skf21("2","5","5","5","3","7","7","1") = "6"
    & skf21("2","5","5","5","4","1","1","1") = "4"
    & skf21("2","5","5","5","4","1","2","1") = "4"
    & skf21("2","5","5","5","4","1","3","1") = "4"
    & skf21("2","5","5","5","4","1","4","1") = "4"
    & skf21("2","5","5","5","4","1","5","1") = "4"
    & skf21("2","5","5","5","4","1","6","1") = "5"
    & skf21("2","5","5","5","4","1","7","1") = "6"
    & skf21("2","5","5","5","4","2","1","1") = "4"
    & skf21("2","5","5","5","4","2","2","1") = "4"
    & skf21("2","5","5","5","4","2","3","1") = "4"
    & skf21("2","5","5","5","4","2","4","1") = "4"
    & skf21("2","5","5","5","4","2","5","1") = "4"
    & skf21("2","5","5","5","4","2","6","1") = "5"
    & skf21("2","5","5","5","4","2","7","1") = "6"
    & skf21("2","5","5","5","4","3","1","1") = "4"
    & skf21("2","5","5","5","4","3","2","1") = "4"
    & skf21("2","5","5","5","4","3","3","1") = "4"
    & skf21("2","5","5","5","4","3","4","1") = "4"
    & skf21("2","5","5","5","4","3","5","1") = "4"
    & skf21("2","5","5","5","4","3","6","1") = "5"
    & skf21("2","5","5","5","4","3","7","1") = "6"
    & skf21("2","5","5","5","4","4","1","1") = "4"
    & skf21("2","5","5","5","4","4","2","1") = "4"
    & skf21("2","5","5","5","4","4","3","1") = "4"
    & skf21("2","5","5","5","4","4","4","1") = "4"
    & skf21("2","5","5","5","4","4","5","1") = "4"
    & skf21("2","5","5","5","4","4","6","1") = "5"
    & skf21("2","5","5","5","4","4","7","1") = "6"
    & skf21("2","5","5","5","4","5","1","1") = "4"
    & skf21("2","5","5","5","4","5","2","1") = "4"
    & skf21("2","5","5","5","4","5","3","1") = "4"
    & skf21("2","5","5","5","4","5","4","1") = "4"
    & skf21("2","5","5","5","4","5","5","1") = "4"
    & skf21("2","5","5","5","4","5","6","1") = "5"
    & skf21("2","5","5","5","4","5","7","1") = "6"
    & skf21("2","5","5","5","4","6","1","1") = "5"
    & skf21("2","5","5","5","4","6","2","1") = "5"
    & skf21("2","5","5","5","4","6","3","1") = "5"
    & skf21("2","5","5","5","4","6","4","1") = "5"
    & skf21("2","5","5","5","4","6","5","1") = "5"
    & skf21("2","5","5","5","4","6","6","1") = "5"
    & skf21("2","5","5","5","4","6","7","1") = "6"
    & skf21("2","5","5","5","4","7","1","1") = "6"
    & skf21("2","5","5","5","4","7","2","1") = "6"
    & skf21("2","5","5","5","4","7","3","1") = "6"
    & skf21("2","5","5","5","4","7","4","1") = "6"
    & skf21("2","5","5","5","4","7","5","1") = "6"
    & skf21("2","5","5","5","4","7","6","1") = "6"
    & skf21("2","5","5","5","4","7","7","1") = "6"
    & skf21("2","5","5","5","5","1","1","1") = "4"
    & skf21("2","5","5","5","5","1","2","1") = "4"
    & skf21("2","5","5","5","5","1","3","1") = "4"
    & skf21("2","5","5","5","5","1","4","1") = "4"
    & skf21("2","5","5","5","5","1","5","1") = "4"
    & skf21("2","5","5","5","5","1","6","1") = "5"
    & skf21("2","5","5","5","5","1","7","1") = "6"
    & skf21("2","5","5","5","5","2","1","1") = "4"
    & skf21("2","5","5","5","5","2","2","1") = "4"
    & skf21("2","5","5","5","5","2","3","1") = "4"
    & skf21("2","5","5","5","5","2","4","1") = "4"
    & skf21("2","5","5","5","5","2","5","1") = "4"
    & skf21("2","5","5","5","5","2","6","1") = "5"
    & skf21("2","5","5","5","5","2","7","1") = "6"
    & skf21("2","5","5","5","5","3","1","1") = "4"
    & skf21("2","5","5","5","5","3","2","1") = "4"
    & skf21("2","5","5","5","5","3","3","1") = "4"
    & skf21("2","5","5","5","5","3","4","1") = "4"
    & skf21("2","5","5","5","5","3","5","1") = "4"
    & skf21("2","5","5","5","5","3","6","1") = "5"
    & skf21("2","5","5","5","5","3","7","1") = "6"
    & skf21("2","5","5","5","5","4","1","1") = "4"
    & skf21("2","5","5","5","5","4","2","1") = "4"
    & skf21("2","5","5","5","5","4","3","1") = "4"
    & skf21("2","5","5","5","5","4","4","1") = "4"
    & skf21("2","5","5","5","5","4","5","1") = "4"
    & skf21("2","5","5","5","5","4","6","1") = "5"
    & skf21("2","5","5","5","5","4","7","1") = "6"
    & skf21("2","5","5","5","5","5","1","1") = "4"
    & skf21("2","5","5","5","5","5","2","1") = "4"
    & skf21("2","5","5","5","5","5","3","1") = "4"
    & skf21("2","5","5","5","5","5","4","1") = "4"
    & skf21("2","5","5","5","5","5","5","1") = "4"
    & skf21("2","5","5","5","5","5","6","1") = "5"
    & skf21("2","5","5","5","5","5","7","1") = "6"
    & skf21("2","5","5","5","5","6","1","1") = "5"
    & skf21("2","5","5","5","5","6","2","1") = "5"
    & skf21("2","5","5","5","5","6","3","1") = "5"
    & skf21("2","5","5","5","5","6","4","1") = "5"
    & skf21("2","5","5","5","5","6","5","1") = "5"
    & skf21("2","5","5","5","5","6","6","1") = "5"
    & skf21("2","5","5","5","5","6","7","1") = "6"
    & skf21("2","5","5","5","5","7","1","1") = "6"
    & skf21("2","5","5","5","5","7","2","1") = "6"
    & skf21("2","5","5","5","5","7","3","1") = "6"
    & skf21("2","5","5","5","5","7","4","1") = "6"
    & skf21("2","5","5","5","5","7","5","1") = "6"
    & skf21("2","5","5","5","5","7","6","1") = "6"
    & skf21("2","5","5","5","5","7","7","1") = "6"
    & skf21("2","5","5","5","6","1","1","1") = "5"
    & skf21("2","5","5","5","6","1","2","1") = "5"
    & skf21("2","5","5","5","6","1","3","1") = "5"
    & skf21("2","5","5","5","6","1","4","1") = "5"
    & skf21("2","5","5","5","6","1","5","1") = "5"
    & skf21("2","5","5","5","6","1","6","1") = "5"
    & skf21("2","5","5","5","6","1","7","1") = "6"
    & skf21("2","5","5","5","6","2","1","1") = "5"
    & skf21("2","5","5","5","6","2","2","1") = "5"
    & skf21("2","5","5","5","6","2","3","1") = "5"
    & skf21("2","5","5","5","6","2","4","1") = "5"
    & skf21("2","5","5","5","6","2","5","1") = "5"
    & skf21("2","5","5","5","6","2","6","1") = "5"
    & skf21("2","5","5","5","6","2","7","1") = "6"
    & skf21("2","5","5","5","6","3","1","1") = "5"
    & skf21("2","5","5","5","6","3","2","1") = "5"
    & skf21("2","5","5","5","6","3","3","1") = "5"
    & skf21("2","5","5","5","6","3","4","1") = "5"
    & skf21("2","5","5","5","6","3","5","1") = "5"
    & skf21("2","5","5","5","6","3","6","1") = "5"
    & skf21("2","5","5","5","6","3","7","1") = "6"
    & skf21("2","5","5","5","6","4","1","1") = "5"
    & skf21("2","5","5","5","6","4","2","1") = "5"
    & skf21("2","5","5","5","6","4","3","1") = "5"
    & skf21("2","5","5","5","6","4","4","1") = "5"
    & skf21("2","5","5","5","6","4","5","1") = "5"
    & skf21("2","5","5","5","6","4","6","1") = "5"
    & skf21("2","5","5","5","6","4","7","1") = "6"
    & skf21("2","5","5","5","6","5","1","1") = "5"
    & skf21("2","5","5","5","6","5","2","1") = "5"
    & skf21("2","5","5","5","6","5","3","1") = "5"
    & skf21("2","5","5","5","6","5","4","1") = "5"
    & skf21("2","5","5","5","6","5","5","1") = "5"
    & skf21("2","5","5","5","6","5","6","1") = "5"
    & skf21("2","5","5","5","6","5","7","1") = "6"
    & skf21("2","5","5","5","6","6","1","1") = "5"
    & skf21("2","5","5","5","6","6","2","1") = "5"
    & skf21("2","5","5","5","6","6","3","1") = "5"
    & skf21("2","5","5","5","6","6","4","1") = "5"
    & skf21("2","5","5","5","6","6","5","1") = "5"
    & skf21("2","5","5","5","6","6","6","1") = "5"
    & skf21("2","5","5","5","6","6","7","1") = "6"
    & skf21("2","5","5","5","6","7","1","1") = "6"
    & skf21("2","5","5","5","6","7","2","1") = "6"
    & skf21("2","5","5","5","6","7","3","1") = "6"
    & skf21("2","5","5","5","6","7","4","1") = "6"
    & skf21("2","5","5","5","6","7","5","1") = "6"
    & skf21("2","5","5","5","6","7","6","1") = "6"
    & skf21("2","5","5","5","6","7","7","1") = "6"
    & skf21("2","5","5","5","7","1","1","1") = "6"
    & skf21("2","5","5","5","7","1","2","1") = "6"
    & skf21("2","5","5","5","7","1","3","1") = "6"
    & skf21("2","5","5","5","7","1","4","1") = "6"
    & skf21("2","5","5","5","7","1","5","1") = "6"
    & skf21("2","5","5","5","7","1","6","1") = "6"
    & skf21("2","5","5","5","7","1","7","1") = "6"
    & skf21("2","5","5","5","7","2","1","1") = "6"
    & skf21("2","5","5","5","7","2","2","1") = "6"
    & skf21("2","5","5","5","7","2","3","1") = "6"
    & skf21("2","5","5","5","7","2","4","1") = "6"
    & skf21("2","5","5","5","7","2","5","1") = "6"
    & skf21("2","5","5","5","7","2","6","1") = "6"
    & skf21("2","5","5","5","7","2","7","1") = "6"
    & skf21("2","5","5","5","7","3","1","1") = "6"
    & skf21("2","5","5","5","7","3","2","1") = "6"
    & skf21("2","5","5","5","7","3","3","1") = "6"
    & skf21("2","5","5","5","7","3","4","1") = "6"
    & skf21("2","5","5","5","7","3","5","1") = "6"
    & skf21("2","5","5","5","7","3","6","1") = "6"
    & skf21("2","5","5","5","7","3","7","1") = "6"
    & skf21("2","5","5","5","7","4","1","1") = "6"
    & skf21("2","5","5","5","7","4","2","1") = "6"
    & skf21("2","5","5","5","7","4","3","1") = "6"
    & skf21("2","5","5","5","7","4","4","1") = "6"
    & skf21("2","5","5","5","7","4","5","1") = "6"
    & skf21("2","5","5","5","7","4","6","1") = "6"
    & skf21("2","5","5","5","7","4","7","1") = "6"
    & skf21("2","5","5","5","7","5","1","1") = "6"
    & skf21("2","5","5","5","7","5","2","1") = "6"
    & skf21("2","5","5","5","7","5","3","1") = "6"
    & skf21("2","5","5","5","7","5","4","1") = "6"
    & skf21("2","5","5","5","7","5","5","1") = "6"
    & skf21("2","5","5","5","7","5","6","1") = "6"
    & skf21("2","5","5","5","7","5","7","1") = "6"
    & skf21("2","5","5","5","7","6","1","1") = "6"
    & skf21("2","5","5","5","7","6","2","1") = "6"
    & skf21("2","5","5","5","7","6","3","1") = "6"
    & skf21("2","5","5","5","7","6","4","1") = "6"
    & skf21("2","5","5","5","7","6","5","1") = "6"
    & skf21("2","5","5","5","7","6","6","1") = "6"
    & skf21("2","5","5","5","7","6","7","1") = "6"
    & skf21("2","5","5","5","7","7","1","1") = "6"
    & skf21("2","5","5","5","7","7","2","1") = "6"
    & skf21("2","5","5","5","7","7","3","1") = "6"
    & skf21("2","5","5","5","7","7","4","1") = "6"
    & skf21("2","5","5","5","7","7","5","1") = "6"
    & skf21("2","5","5","5","7","7","6","1") = "6"
    & skf21("2","5","5","5","7","7","7","1") = "6"
    & skf21("2","5","5","6","1","1","1","1") = "5"
    & skf21("2","5","5","6","1","1","2","1") = "5"
    & skf21("2","5","5","6","1","1","3","1") = "5"
    & skf21("2","5","5","6","1","1","4","1") = "5"
    & skf21("2","5","5","6","1","1","5","1") = "5"
    & skf21("2","5","5","6","1","1","6","1") = "5"
    & skf21("2","5","5","6","1","1","7","1") = "6"
    & skf21("2","5","5","6","1","2","1","1") = "5"
    & skf21("2","5","5","6","1","2","2","1") = "5"
    & skf21("2","5","5","6","1","2","3","1") = "5"
    & skf21("2","5","5","6","1","2","4","1") = "5"
    & skf21("2","5","5","6","1","2","5","1") = "5"
    & skf21("2","5","5","6","1","2","6","1") = "5"
    & skf21("2","5","5","6","1","2","7","1") = "6"
    & skf21("2","5","5","6","1","3","1","1") = "5"
    & skf21("2","5","5","6","1","3","2","1") = "5"
    & skf21("2","5","5","6","1","3","3","1") = "5"
    & skf21("2","5","5","6","1","3","4","1") = "5"
    & skf21("2","5","5","6","1","3","5","1") = "5"
    & skf21("2","5","5","6","1","3","6","1") = "5"
    & skf21("2","5","5","6","1","3","7","1") = "6"
    & skf21("2","5","5","6","1","4","1","1") = "5"
    & skf21("2","5","5","6","1","4","2","1") = "5"
    & skf21("2","5","5","6","1","4","3","1") = "5"
    & skf21("2","5","5","6","1","4","4","1") = "5"
    & skf21("2","5","5","6","1","4","5","1") = "5"
    & skf21("2","5","5","6","1","4","6","1") = "5"
    & skf21("2","5","5","6","1","4","7","1") = "6"
    & skf21("2","5","5","6","1","5","1","1") = "5"
    & skf21("2","5","5","6","1","5","2","1") = "5"
    & skf21("2","5","5","6","1","5","3","1") = "5"
    & skf21("2","5","5","6","1","5","4","1") = "5"
    & skf21("2","5","5","6","1","5","5","1") = "5"
    & skf21("2","5","5","6","1","5","6","1") = "5"
    & skf21("2","5","5","6","1","5","7","1") = "6"
    & skf21("2","5","5","6","1","6","1","1") = "5"
    & skf21("2","5","5","6","1","6","2","1") = "5"
    & skf21("2","5","5","6","1","6","3","1") = "5"
    & skf21("2","5","5","6","1","6","4","1") = "5"
    & skf21("2","5","5","6","1","6","5","1") = "5"
    & skf21("2","5","5","6","1","6","6","1") = "5"
    & skf21("2","5","5","6","1","6","7","1") = "6"
    & skf21("2","5","5","6","1","7","1","1") = "6"
    & skf21("2","5","5","6","1","7","2","1") = "6"
    & skf21("2","5","5","6","1","7","3","1") = "6"
    & skf21("2","5","5","6","1","7","4","1") = "6"
    & skf21("2","5","5","6","1","7","5","1") = "6"
    & skf21("2","5","5","6","1","7","6","1") = "6"
    & skf21("2","5","5","6","1","7","7","1") = "6"
    & skf21("2","5","5","6","2","1","1","1") = "5"
    & skf21("2","5","5","6","2","1","2","1") = "5"
    & skf21("2","5","5","6","2","1","3","1") = "5"
    & skf21("2","5","5","6","2","1","4","1") = "5"
    & skf21("2","5","5","6","2","1","5","1") = "5"
    & skf21("2","5","5","6","2","1","6","1") = "5"
    & skf21("2","5","5","6","2","1","7","1") = "6"
    & skf21("2","5","5","6","2","2","1","1") = "5"
    & skf21("2","5","5","6","2","2","2","1") = "5"
    & skf21("2","5","5","6","2","2","3","1") = "5"
    & skf21("2","5","5","6","2","2","4","1") = "5"
    & skf21("2","5","5","6","2","2","5","1") = "5"
    & skf21("2","5","5","6","2","2","6","1") = "5"
    & skf21("2","5","5","6","2","2","7","1") = "6"
    & skf21("2","5","5","6","2","3","1","1") = "5"
    & skf21("2","5","5","6","2","3","2","1") = "5"
    & skf21("2","5","5","6","2","3","3","1") = "5"
    & skf21("2","5","5","6","2","3","4","1") = "5"
    & skf21("2","5","5","6","2","3","5","1") = "5"
    & skf21("2","5","5","6","2","3","6","1") = "5"
    & skf21("2","5","5","6","2","3","7","1") = "6"
    & skf21("2","5","5","6","2","4","1","1") = "5"
    & skf21("2","5","5","6","2","4","2","1") = "5"
    & skf21("2","5","5","6","2","4","3","1") = "5"
    & skf21("2","5","5","6","2","4","4","1") = "5"
    & skf21("2","5","5","6","2","4","5","1") = "5"
    & skf21("2","5","5","6","2","4","6","1") = "5"
    & skf21("2","5","5","6","2","4","7","1") = "6"
    & skf21("2","5","5","6","2","5","1","1") = "5"
    & skf21("2","5","5","6","2","5","2","1") = "5"
    & skf21("2","5","5","6","2","5","3","1") = "5"
    & skf21("2","5","5","6","2","5","4","1") = "5"
    & skf21("2","5","5","6","2","5","5","1") = "5"
    & skf21("2","5","5","6","2","5","6","1") = "5"
    & skf21("2","5","5","6","2","5","7","1") = "6"
    & skf21("2","5","5","6","2","6","1","1") = "5"
    & skf21("2","5","5","6","2","6","2","1") = "5"
    & skf21("2","5","5","6","2","6","3","1") = "5"
    & skf21("2","5","5","6","2","6","4","1") = "5"
    & skf21("2","5","5","6","2","6","5","1") = "5"
    & skf21("2","5","5","6","2","6","6","1") = "5"
    & skf21("2","5","5","6","2","6","7","1") = "6"
    & skf21("2","5","5","6","2","7","1","1") = "6"
    & skf21("2","5","5","6","2","7","2","1") = "6"
    & skf21("2","5","5","6","2","7","3","1") = "6"
    & skf21("2","5","5","6","2","7","4","1") = "6"
    & skf21("2","5","5","6","2","7","5","1") = "6"
    & skf21("2","5","5","6","2","7","6","1") = "6"
    & skf21("2","5","5","6","2","7","7","1") = "6"
    & skf21("2","5","5","6","3","1","1","1") = "5"
    & skf21("2","5","5","6","3","1","2","1") = "5"
    & skf21("2","5","5","6","3","1","3","1") = "5"
    & skf21("2","5","5","6","3","1","4","1") = "5"
    & skf21("2","5","5","6","3","1","5","1") = "5"
    & skf21("2","5","5","6","3","1","6","1") = "5"
    & skf21("2","5","5","6","3","1","7","1") = "6"
    & skf21("2","5","5","6","3","2","1","1") = "5"
    & skf21("2","5","5","6","3","2","2","1") = "5"
    & skf21("2","5","5","6","3","2","3","1") = "5"
    & skf21("2","5","5","6","3","2","4","1") = "5"
    & skf21("2","5","5","6","3","2","5","1") = "5"
    & skf21("2","5","5","6","3","2","6","1") = "5"
    & skf21("2","5","5","6","3","2","7","1") = "6"
    & skf21("2","5","5","6","3","3","1","1") = "5"
    & skf21("2","5","5","6","3","3","2","1") = "5"
    & skf21("2","5","5","6","3","3","3","1") = "5"
    & skf21("2","5","5","6","3","3","4","1") = "5"
    & skf21("2","5","5","6","3","3","5","1") = "5"
    & skf21("2","5","5","6","3","3","6","1") = "5"
    & skf21("2","5","5","6","3","3","7","1") = "6"
    & skf21("2","5","5","6","3","4","1","1") = "5"
    & skf21("2","5","5","6","3","4","2","1") = "5"
    & skf21("2","5","5","6","3","4","3","1") = "5"
    & skf21("2","5","5","6","3","4","4","1") = "5"
    & skf21("2","5","5","6","3","4","5","1") = "5"
    & skf21("2","5","5","6","3","4","6","1") = "5"
    & skf21("2","5","5","6","3","4","7","1") = "6"
    & skf21("2","5","5","6","3","5","1","1") = "5"
    & skf21("2","5","5","6","3","5","2","1") = "5"
    & skf21("2","5","5","6","3","5","3","1") = "5"
    & skf21("2","5","5","6","3","5","4","1") = "5"
    & skf21("2","5","5","6","3","5","5","1") = "5"
    & skf21("2","5","5","6","3","5","6","1") = "5"
    & skf21("2","5","5","6","3","5","7","1") = "6"
    & skf21("2","5","5","6","3","6","1","1") = "5"
    & skf21("2","5","5","6","3","6","2","1") = "5"
    & skf21("2","5","5","6","3","6","3","1") = "5"
    & skf21("2","5","5","6","3","6","4","1") = "5"
    & skf21("2","5","5","6","3","6","5","1") = "5"
    & skf21("2","5","5","6","3","6","6","1") = "5"
    & skf21("2","5","5","6","3","6","7","1") = "6"
    & skf21("2","5","5","6","3","7","1","1") = "6"
    & skf21("2","5","5","6","3","7","2","1") = "6"
    & skf21("2","5","5","6","3","7","3","1") = "6"
    & skf21("2","5","5","6","3","7","4","1") = "6"
    & skf21("2","5","5","6","3","7","5","1") = "6"
    & skf21("2","5","5","6","3","7","6","1") = "6"
    & skf21("2","5","5","6","3","7","7","1") = "6"
    & skf21("2","5","5","6","4","1","1","1") = "5"
    & skf21("2","5","5","6","4","1","2","1") = "5"
    & skf21("2","5","5","6","4","1","3","1") = "5"
    & skf21("2","5","5","6","4","1","4","1") = "5"
    & skf21("2","5","5","6","4","1","5","1") = "5"
    & skf21("2","5","5","6","4","1","6","1") = "5"
    & skf21("2","5","5","6","4","1","7","1") = "6"
    & skf21("2","5","5","6","4","2","1","1") = "5"
    & skf21("2","5","5","6","4","2","2","1") = "5"
    & skf21("2","5","5","6","4","2","3","1") = "5"
    & skf21("2","5","5","6","4","2","4","1") = "5"
    & skf21("2","5","5","6","4","2","5","1") = "5"
    & skf21("2","5","5","6","4","2","6","1") = "5"
    & skf21("2","5","5","6","4","2","7","1") = "6"
    & skf21("2","5","5","6","4","3","1","1") = "5"
    & skf21("2","5","5","6","4","3","2","1") = "5"
    & skf21("2","5","5","6","4","3","3","1") = "5"
    & skf21("2","5","5","6","4","3","4","1") = "5"
    & skf21("2","5","5","6","4","3","5","1") = "5"
    & skf21("2","5","5","6","4","3","6","1") = "5"
    & skf21("2","5","5","6","4","3","7","1") = "6"
    & skf21("2","5","5","6","4","4","1","1") = "5"
    & skf21("2","5","5","6","4","4","2","1") = "5"
    & skf21("2","5","5","6","4","4","3","1") = "5"
    & skf21("2","5","5","6","4","4","4","1") = "5"
    & skf21("2","5","5","6","4","4","5","1") = "5"
    & skf21("2","5","5","6","4","4","6","1") = "5"
    & skf21("2","5","5","6","4","4","7","1") = "6"
    & skf21("2","5","5","6","4","5","1","1") = "5"
    & skf21("2","5","5","6","4","5","2","1") = "5"
    & skf21("2","5","5","6","4","5","3","1") = "5"
    & skf21("2","5","5","6","4","5","4","1") = "5"
    & skf21("2","5","5","6","4","5","5","1") = "5"
    & skf21("2","5","5","6","4","5","6","1") = "5"
    & skf21("2","5","5","6","4","5","7","1") = "6"
    & skf21("2","5","5","6","4","6","1","1") = "5"
    & skf21("2","5","5","6","4","6","2","1") = "5"
    & skf21("2","5","5","6","4","6","3","1") = "5"
    & skf21("2","5","5","6","4","6","4","1") = "5"
    & skf21("2","5","5","6","4","6","5","1") = "5"
    & skf21("2","5","5","6","4","6","6","1") = "5"
    & skf21("2","5","5","6","4","6","7","1") = "6"
    & skf21("2","5","5","6","4","7","1","1") = "6"
    & skf21("2","5","5","6","4","7","2","1") = "6"
    & skf21("2","5","5","6","4","7","3","1") = "6"
    & skf21("2","5","5","6","4","7","4","1") = "6"
    & skf21("2","5","5","6","4","7","5","1") = "6"
    & skf21("2","5","5","6","4","7","6","1") = "6"
    & skf21("2","5","5","6","4","7","7","1") = "6"
    & skf21("2","5","5","6","5","1","1","1") = "5"
    & skf21("2","5","5","6","5","1","2","1") = "5"
    & skf21("2","5","5","6","5","1","3","1") = "5"
    & skf21("2","5","5","6","5","1","4","1") = "5"
    & skf21("2","5","5","6","5","1","5","1") = "5"
    & skf21("2","5","5","6","5","1","6","1") = "5"
    & skf21("2","5","5","6","5","1","7","1") = "6"
    & skf21("2","5","5","6","5","2","1","1") = "5"
    & skf21("2","5","5","6","5","2","2","1") = "5"
    & skf21("2","5","5","6","5","2","3","1") = "5"
    & skf21("2","5","5","6","5","2","4","1") = "5"
    & skf21("2","5","5","6","5","2","5","1") = "5"
    & skf21("2","5","5","6","5","2","6","1") = "5"
    & skf21("2","5","5","6","5","2","7","1") = "6"
    & skf21("2","5","5","6","5","3","1","1") = "5"
    & skf21("2","5","5","6","5","3","2","1") = "5"
    & skf21("2","5","5","6","5","3","3","1") = "5"
    & skf21("2","5","5","6","5","3","4","1") = "5"
    & skf21("2","5","5","6","5","3","5","1") = "5"
    & skf21("2","5","5","6","5","3","6","1") = "5"
    & skf21("2","5","5","6","5","3","7","1") = "6"
    & skf21("2","5","5","6","5","4","1","1") = "5"
    & skf21("2","5","5","6","5","4","2","1") = "5"
    & skf21("2","5","5","6","5","4","3","1") = "5"
    & skf21("2","5","5","6","5","4","4","1") = "5"
    & skf21("2","5","5","6","5","4","5","1") = "5"
    & skf21("2","5","5","6","5","4","6","1") = "5"
    & skf21("2","5","5","6","5","4","7","1") = "6"
    & skf21("2","5","5","6","5","5","1","1") = "5"
    & skf21("2","5","5","6","5","5","2","1") = "5"
    & skf21("2","5","5","6","5","5","3","1") = "5"
    & skf21("2","5","5","6","5","5","4","1") = "5"
    & skf21("2","5","5","6","5","5","5","1") = "5"
    & skf21("2","5","5","6","5","5","6","1") = "5"
    & skf21("2","5","5","6","5","5","7","1") = "6"
    & skf21("2","5","5","6","5","6","1","1") = "5"
    & skf21("2","5","5","6","5","6","2","1") = "5"
    & skf21("2","5","5","6","5","6","3","1") = "5"
    & skf21("2","5","5","6","5","6","4","1") = "5"
    & skf21("2","5","5","6","5","6","5","1") = "5"
    & skf21("2","5","5","6","5","6","6","1") = "5"
    & skf21("2","5","5","6","5","6","7","1") = "6"
    & skf21("2","5","5","6","5","7","1","1") = "6"
    & skf21("2","5","5","6","5","7","2","1") = "6"
    & skf21("2","5","5","6","5","7","3","1") = "6"
    & skf21("2","5","5","6","5","7","4","1") = "6"
    & skf21("2","5","5","6","5","7","5","1") = "6"
    & skf21("2","5","5","6","5","7","6","1") = "6"
    & skf21("2","5","5","6","5","7","7","1") = "6"
    & skf21("2","5","5","6","6","1","1","1") = "5"
    & skf21("2","5","5","6","6","1","2","1") = "5"
    & skf21("2","5","5","6","6","1","3","1") = "5"
    & skf21("2","5","5","6","6","1","4","1") = "5"
    & skf21("2","5","5","6","6","1","5","1") = "5"
    & skf21("2","5","5","6","6","1","6","1") = "5"
    & skf21("2","5","5","6","6","1","7","1") = "6"
    & skf21("2","5","5","6","6","2","1","1") = "5"
    & skf21("2","5","5","6","6","2","2","1") = "5"
    & skf21("2","5","5","6","6","2","3","1") = "5"
    & skf21("2","5","5","6","6","2","4","1") = "5"
    & skf21("2","5","5","6","6","2","5","1") = "5"
    & skf21("2","5","5","6","6","2","6","1") = "5"
    & skf21("2","5","5","6","6","2","7","1") = "6"
    & skf21("2","5","5","6","6","3","1","1") = "5"
    & skf21("2","5","5","6","6","3","2","1") = "5"
    & skf21("2","5","5","6","6","3","3","1") = "5"
    & skf21("2","5","5","6","6","3","4","1") = "5"
    & skf21("2","5","5","6","6","3","5","1") = "5"
    & skf21("2","5","5","6","6","3","6","1") = "5"
    & skf21("2","5","5","6","6","3","7","1") = "6"
    & skf21("2","5","5","6","6","4","1","1") = "5"
    & skf21("2","5","5","6","6","4","2","1") = "5"
    & skf21("2","5","5","6","6","4","3","1") = "5"
    & skf21("2","5","5","6","6","4","4","1") = "5"
    & skf21("2","5","5","6","6","4","5","1") = "5"
    & skf21("2","5","5","6","6","4","6","1") = "5"
    & skf21("2","5","5","6","6","4","7","1") = "6"
    & skf21("2","5","5","6","6","5","1","1") = "5"
    & skf21("2","5","5","6","6","5","2","1") = "5"
    & skf21("2","5","5","6","6","5","3","1") = "5"
    & skf21("2","5","5","6","6","5","4","1") = "5"
    & skf21("2","5","5","6","6","5","5","1") = "5"
    & skf21("2","5","5","6","6","5","6","1") = "5"
    & skf21("2","5","5","6","6","5","7","1") = "6"
    & skf21("2","5","5","6","6","6","1","1") = "5"
    & skf21("2","5","5","6","6","6","2","1") = "5"
    & skf21("2","5","5","6","6","6","3","1") = "5"
    & skf21("2","5","5","6","6","6","4","1") = "5"
    & skf21("2","5","5","6","6","6","5","1") = "5"
    & skf21("2","5","5","6","6","6","6","1") = "5"
    & skf21("2","5","5","6","6","6","7","1") = "6"
    & skf21("2","5","5","6","6","7","1","1") = "6"
    & skf21("2","5","5","6","6","7","2","1") = "6"
    & skf21("2","5","5","6","6","7","3","1") = "6"
    & skf21("2","5","5","6","6","7","4","1") = "6"
    & skf21("2","5","5","6","6","7","5","1") = "6"
    & skf21("2","5","5","6","6","7","6","1") = "6"
    & skf21("2","5","5","6","6","7","7","1") = "6"
    & skf21("2","5","5","6","7","1","1","1") = "6"
    & skf21("2","5","5","6","7","1","2","1") = "6"
    & skf21("2","5","5","6","7","1","3","1") = "6"
    & skf21("2","5","5","6","7","1","4","1") = "6"
    & skf21("2","5","5","6","7","1","5","1") = "6"
    & skf21("2","5","5","6","7","1","6","1") = "6"
    & skf21("2","5","5","6","7","1","7","1") = "6"
    & skf21("2","5","5","6","7","2","1","1") = "6"
    & skf21("2","5","5","6","7","2","2","1") = "6"
    & skf21("2","5","5","6","7","2","3","1") = "6"
    & skf21("2","5","5","6","7","2","4","1") = "6"
    & skf21("2","5","5","6","7","2","5","1") = "6"
    & skf21("2","5","5","6","7","2","6","1") = "6"
    & skf21("2","5","5","6","7","2","7","1") = "6"
    & skf21("2","5","5","6","7","3","1","1") = "6"
    & skf21("2","5","5","6","7","3","2","1") = "6"
    & skf21("2","5","5","6","7","3","3","1") = "6"
    & skf21("2","5","5","6","7","3","4","1") = "6"
    & skf21("2","5","5","6","7","3","5","1") = "6"
    & skf21("2","5","5","6","7","3","6","1") = "6"
    & skf21("2","5","5","6","7","3","7","1") = "6"
    & skf21("2","5","5","6","7","4","1","1") = "6"
    & skf21("2","5","5","6","7","4","2","1") = "6"
    & skf21("2","5","5","6","7","4","3","1") = "6"
    & skf21("2","5","5","6","7","4","4","1") = "6"
    & skf21("2","5","5","6","7","4","5","1") = "6"
    & skf21("2","5","5","6","7","4","6","1") = "6"
    & skf21("2","5","5","6","7","4","7","1") = "6"
    & skf21("2","5","5","6","7","5","1","1") = "6"
    & skf21("2","5","5","6","7","5","2","1") = "6"
    & skf21("2","5","5","6","7","5","3","1") = "6"
    & skf21("2","5","5","6","7","5","4","1") = "6"
    & skf21("2","5","5","6","7","5","5","1") = "6"
    & skf21("2","5","5","6","7","5","6","1") = "6"
    & skf21("2","5","5","6","7","5","7","1") = "6"
    & skf21("2","5","5","6","7","6","1","1") = "6"
    & skf21("2","5","5","6","7","6","2","1") = "6"
    & skf21("2","5","5","6","7","6","3","1") = "6"
    & skf21("2","5","5","6","7","6","4","1") = "6"
    & skf21("2","5","5","6","7","6","5","1") = "6"
    & skf21("2","5","5","6","7","6","6","1") = "6"
    & skf21("2","5","5","6","7","6","7","1") = "6"
    & skf21("2","5","5","6","7","7","1","1") = "6"
    & skf21("2","5","5","6","7","7","2","1") = "6"
    & skf21("2","5","5","6","7","7","3","1") = "6"
    & skf21("2","5","5","6","7","7","4","1") = "6"
    & skf21("2","5","5","6","7","7","5","1") = "6"
    & skf21("2","5","5","6","7","7","6","1") = "6"
    & skf21("2","5","5","6","7","7","7","1") = "6"
    & skf21("2","5","5","7","1","1","1","1") = "6"
    & skf21("2","5","5","7","1","1","2","1") = "6"
    & skf21("2","5","5","7","1","1","3","1") = "6"
    & skf21("2","5","5","7","1","1","4","1") = "6"
    & skf21("2","5","5","7","1","1","5","1") = "6"
    & skf21("2","5","5","7","1","1","6","1") = "6"
    & skf21("2","5","5","7","1","1","7","1") = "6"
    & skf21("2","5","5","7","1","2","1","1") = "6"
    & skf21("2","5","5","7","1","2","2","1") = "6"
    & skf21("2","5","5","7","1","2","3","1") = "6"
    & skf21("2","5","5","7","1","2","4","1") = "6"
    & skf21("2","5","5","7","1","2","5","1") = "6"
    & skf21("2","5","5","7","1","2","6","1") = "6"
    & skf21("2","5","5","7","1","2","7","1") = "6"
    & skf21("2","5","5","7","1","3","1","1") = "6"
    & skf21("2","5","5","7","1","3","2","1") = "6"
    & skf21("2","5","5","7","1","3","3","1") = "6"
    & skf21("2","5","5","7","1","3","4","1") = "6"
    & skf21("2","5","5","7","1","3","5","1") = "6"
    & skf21("2","5","5","7","1","3","6","1") = "6"
    & skf21("2","5","5","7","1","3","7","1") = "6"
    & skf21("2","5","5","7","1","4","1","1") = "6"
    & skf21("2","5","5","7","1","4","2","1") = "6"
    & skf21("2","5","5","7","1","4","3","1") = "6"
    & skf21("2","5","5","7","1","4","4","1") = "6"
    & skf21("2","5","5","7","1","4","5","1") = "6"
    & skf21("2","5","5","7","1","4","6","1") = "6"
    & skf21("2","5","5","7","1","4","7","1") = "6"
    & skf21("2","5","5","7","1","5","1","1") = "6"
    & skf21("2","5","5","7","1","5","2","1") = "6"
    & skf21("2","5","5","7","1","5","3","1") = "6"
    & skf21("2","5","5","7","1","5","4","1") = "6"
    & skf21("2","5","5","7","1","5","5","1") = "6"
    & skf21("2","5","5","7","1","5","6","1") = "6"
    & skf21("2","5","5","7","1","5","7","1") = "6"
    & skf21("2","5","5","7","1","6","1","1") = "6"
    & skf21("2","5","5","7","1","6","2","1") = "6"
    & skf21("2","5","5","7","1","6","3","1") = "6"
    & skf21("2","5","5","7","1","6","4","1") = "6"
    & skf21("2","5","5","7","1","6","5","1") = "6"
    & skf21("2","5","5","7","1","6","6","1") = "6"
    & skf21("2","5","5","7","1","6","7","1") = "6"
    & skf21("2","5","5","7","1","7","1","1") = "6"
    & skf21("2","5","5","7","1","7","2","1") = "6"
    & skf21("2","5","5","7","1","7","3","1") = "6"
    & skf21("2","5","5","7","1","7","4","1") = "6"
    & skf21("2","5","5","7","1","7","5","1") = "6"
    & skf21("2","5","5","7","1","7","6","1") = "6"
    & skf21("2","5","5","7","1","7","7","1") = "6"
    & skf21("2","5","5","7","2","1","1","1") = "6"
    & skf21("2","5","5","7","2","1","2","1") = "6"
    & skf21("2","5","5","7","2","1","3","1") = "6"
    & skf21("2","5","5","7","2","1","4","1") = "6"
    & skf21("2","5","5","7","2","1","5","1") = "6"
    & skf21("2","5","5","7","2","1","6","1") = "6"
    & skf21("2","5","5","7","2","1","7","1") = "6"
    & skf21("2","5","5","7","2","2","1","1") = "6"
    & skf21("2","5","5","7","2","2","2","1") = "6"
    & skf21("2","5","5","7","2","2","3","1") = "6"
    & skf21("2","5","5","7","2","2","4","1") = "6"
    & skf21("2","5","5","7","2","2","5","1") = "6"
    & skf21("2","5","5","7","2","2","6","1") = "6"
    & skf21("2","5","5","7","2","2","7","1") = "6"
    & skf21("2","5","5","7","2","3","1","1") = "6"
    & skf21("2","5","5","7","2","3","2","1") = "6"
    & skf21("2","5","5","7","2","3","3","1") = "6"
    & skf21("2","5","5","7","2","3","4","1") = "6"
    & skf21("2","5","5","7","2","3","5","1") = "6"
    & skf21("2","5","5","7","2","3","6","1") = "6"
    & skf21("2","5","5","7","2","3","7","1") = "6"
    & skf21("2","5","5","7","2","4","1","1") = "6"
    & skf21("2","5","5","7","2","4","2","1") = "6"
    & skf21("2","5","5","7","2","4","3","1") = "6"
    & skf21("2","5","5","7","2","4","4","1") = "6"
    & skf21("2","5","5","7","2","4","5","1") = "6"
    & skf21("2","5","5","7","2","4","6","1") = "6"
    & skf21("2","5","5","7","2","4","7","1") = "6"
    & skf21("2","5","5","7","2","5","1","1") = "6"
    & skf21("2","5","5","7","2","5","2","1") = "6"
    & skf21("2","5","5","7","2","5","3","1") = "6"
    & skf21("2","5","5","7","2","5","4","1") = "6"
    & skf21("2","5","5","7","2","5","5","1") = "6"
    & skf21("2","5","5","7","2","5","6","1") = "6"
    & skf21("2","5","5","7","2","5","7","1") = "6"
    & skf21("2","5","5","7","2","6","1","1") = "6"
    & skf21("2","5","5","7","2","6","2","1") = "6"
    & skf21("2","5","5","7","2","6","3","1") = "6"
    & skf21("2","5","5","7","2","6","4","1") = "6"
    & skf21("2","5","5","7","2","6","5","1") = "6"
    & skf21("2","5","5","7","2","6","6","1") = "6"
    & skf21("2","5","5","7","2","6","7","1") = "6"
    & skf21("2","5","5","7","2","7","1","1") = "6"
    & skf21("2","5","5","7","2","7","2","1") = "6"
    & skf21("2","5","5","7","2","7","3","1") = "6"
    & skf21("2","5","5","7","2","7","4","1") = "6"
    & skf21("2","5","5","7","2","7","5","1") = "6"
    & skf21("2","5","5","7","2","7","6","1") = "6"
    & skf21("2","5","5","7","2","7","7","1") = "6"
    & skf21("2","5","5","7","3","1","1","1") = "6"
    & skf21("2","5","5","7","3","1","2","1") = "6"
    & skf21("2","5","5","7","3","1","3","1") = "6"
    & skf21("2","5","5","7","3","1","4","1") = "6"
    & skf21("2","5","5","7","3","1","5","1") = "6"
    & skf21("2","5","5","7","3","1","6","1") = "6"
    & skf21("2","5","5","7","3","1","7","1") = "6"
    & skf21("2","5","5","7","3","2","1","1") = "6"
    & skf21("2","5","5","7","3","2","2","1") = "6"
    & skf21("2","5","5","7","3","2","3","1") = "6"
    & skf21("2","5","5","7","3","2","4","1") = "6"
    & skf21("2","5","5","7","3","2","5","1") = "6"
    & skf21("2","5","5","7","3","2","6","1") = "6"
    & skf21("2","5","5","7","3","2","7","1") = "6"
    & skf21("2","5","5","7","3","3","1","1") = "6"
    & skf21("2","5","5","7","3","3","2","1") = "6"
    & skf21("2","5","5","7","3","3","3","1") = "6"
    & skf21("2","5","5","7","3","3","4","1") = "6"
    & skf21("2","5","5","7","3","3","5","1") = "6"
    & skf21("2","5","5","7","3","3","6","1") = "6"
    & skf21("2","5","5","7","3","3","7","1") = "6"
    & skf21("2","5","5","7","3","4","1","1") = "6"
    & skf21("2","5","5","7","3","4","2","1") = "6"
    & skf21("2","5","5","7","3","4","3","1") = "6"
    & skf21("2","5","5","7","3","4","4","1") = "6"
    & skf21("2","5","5","7","3","4","5","1") = "6"
    & skf21("2","5","5","7","3","4","6","1") = "6"
    & skf21("2","5","5","7","3","4","7","1") = "6"
    & skf21("2","5","5","7","3","5","1","1") = "6"
    & skf21("2","5","5","7","3","5","2","1") = "6"
    & skf21("2","5","5","7","3","5","3","1") = "6"
    & skf21("2","5","5","7","3","5","4","1") = "6"
    & skf21("2","5","5","7","3","5","5","1") = "6"
    & skf21("2","5","5","7","3","5","6","1") = "6"
    & skf21("2","5","5","7","3","5","7","1") = "6"
    & skf21("2","5","5","7","3","6","1","1") = "6"
    & skf21("2","5","5","7","3","6","2","1") = "6"
    & skf21("2","5","5","7","3","6","3","1") = "6"
    & skf21("2","5","5","7","3","6","4","1") = "6"
    & skf21("2","5","5","7","3","6","5","1") = "6"
    & skf21("2","5","5","7","3","6","6","1") = "6"
    & skf21("2","5","5","7","3","6","7","1") = "6"
    & skf21("2","5","5","7","3","7","1","1") = "6"
    & skf21("2","5","5","7","3","7","2","1") = "6"
    & skf21("2","5","5","7","3","7","3","1") = "6"
    & skf21("2","5","5","7","3","7","4","1") = "6"
    & skf21("2","5","5","7","3","7","5","1") = "6"
    & skf21("2","5","5","7","3","7","6","1") = "6"
    & skf21("2","5","5","7","3","7","7","1") = "6"
    & skf21("2","5","5","7","4","1","1","1") = "6"
    & skf21("2","5","5","7","4","1","2","1") = "6"
    & skf21("2","5","5","7","4","1","3","1") = "6"
    & skf21("2","5","5","7","4","1","4","1") = "6"
    & skf21("2","5","5","7","4","1","5","1") = "6"
    & skf21("2","5","5","7","4","1","6","1") = "6"
    & skf21("2","5","5","7","4","1","7","1") = "6"
    & skf21("2","5","5","7","4","2","1","1") = "6"
    & skf21("2","5","5","7","4","2","2","1") = "6"
    & skf21("2","5","5","7","4","2","3","1") = "6"
    & skf21("2","5","5","7","4","2","4","1") = "6"
    & skf21("2","5","5","7","4","2","5","1") = "6"
    & skf21("2","5","5","7","4","2","6","1") = "6"
    & skf21("2","5","5","7","4","2","7","1") = "6"
    & skf21("2","5","5","7","4","3","1","1") = "6"
    & skf21("2","5","5","7","4","3","2","1") = "6"
    & skf21("2","5","5","7","4","3","3","1") = "6"
    & skf21("2","5","5","7","4","3","4","1") = "6"
    & skf21("2","5","5","7","4","3","5","1") = "6"
    & skf21("2","5","5","7","4","3","6","1") = "6"
    & skf21("2","5","5","7","4","3","7","1") = "6"
    & skf21("2","5","5","7","4","4","1","1") = "6"
    & skf21("2","5","5","7","4","4","2","1") = "6"
    & skf21("2","5","5","7","4","4","3","1") = "6"
    & skf21("2","5","5","7","4","4","4","1") = "6"
    & skf21("2","5","5","7","4","4","5","1") = "6"
    & skf21("2","5","5","7","4","4","6","1") = "6"
    & skf21("2","5","5","7","4","4","7","1") = "6"
    & skf21("2","5","5","7","4","5","1","1") = "6"
    & skf21("2","5","5","7","4","5","2","1") = "6"
    & skf21("2","5","5","7","4","5","3","1") = "6"
    & skf21("2","5","5","7","4","5","4","1") = "6"
    & skf21("2","5","5","7","4","5","5","1") = "6"
    & skf21("2","5","5","7","4","5","6","1") = "6"
    & skf21("2","5","5","7","4","5","7","1") = "6"
    & skf21("2","5","5","7","4","6","1","1") = "6"
    & skf21("2","5","5","7","4","6","2","1") = "6"
    & skf21("2","5","5","7","4","6","3","1") = "6"
    & skf21("2","5","5","7","4","6","4","1") = "6"
    & skf21("2","5","5","7","4","6","5","1") = "6"
    & skf21("2","5","5","7","4","6","6","1") = "6"
    & skf21("2","5","5","7","4","6","7","1") = "6"
    & skf21("2","5","5","7","4","7","1","1") = "6"
    & skf21("2","5","5","7","4","7","2","1") = "6"
    & skf21("2","5","5","7","4","7","3","1") = "6"
    & skf21("2","5","5","7","4","7","4","1") = "6"
    & skf21("2","5","5","7","4","7","5","1") = "6"
    & skf21("2","5","5","7","4","7","6","1") = "6"
    & skf21("2","5","5","7","4","7","7","1") = "6"
    & skf21("2","5","5","7","5","1","1","1") = "6"
    & skf21("2","5","5","7","5","1","2","1") = "6"
    & skf21("2","5","5","7","5","1","3","1") = "6"
    & skf21("2","5","5","7","5","1","4","1") = "6"
    & skf21("2","5","5","7","5","1","5","1") = "6"
    & skf21("2","5","5","7","5","1","6","1") = "6"
    & skf21("2","5","5","7","5","1","7","1") = "6"
    & skf21("2","5","5","7","5","2","1","1") = "6"
    & skf21("2","5","5","7","5","2","2","1") = "6"
    & skf21("2","5","5","7","5","2","3","1") = "6"
    & skf21("2","5","5","7","5","2","4","1") = "6"
    & skf21("2","5","5","7","5","2","5","1") = "6"
    & skf21("2","5","5","7","5","2","6","1") = "6"
    & skf21("2","5","5","7","5","2","7","1") = "6"
    & skf21("2","5","5","7","5","3","1","1") = "6"
    & skf21("2","5","5","7","5","3","2","1") = "6"
    & skf21("2","5","5","7","5","3","3","1") = "6"
    & skf21("2","5","5","7","5","3","4","1") = "6"
    & skf21("2","5","5","7","5","3","5","1") = "6"
    & skf21("2","5","5","7","5","3","6","1") = "6"
    & skf21("2","5","5","7","5","3","7","1") = "6"
    & skf21("2","5","5","7","5","4","1","1") = "6"
    & skf21("2","5","5","7","5","4","2","1") = "6"
    & skf21("2","5","5","7","5","4","3","1") = "6"
    & skf21("2","5","5","7","5","4","4","1") = "6"
    & skf21("2","5","5","7","5","4","5","1") = "6"
    & skf21("2","5","5","7","5","4","6","1") = "6"
    & skf21("2","5","5","7","5","4","7","1") = "6"
    & skf21("2","5","5","7","5","5","1","1") = "6"
    & skf21("2","5","5","7","5","5","2","1") = "6"
    & skf21("2","5","5","7","5","5","3","1") = "6"
    & skf21("2","5","5","7","5","5","4","1") = "6"
    & skf21("2","5","5","7","5","5","5","1") = "6"
    & skf21("2","5","5","7","5","5","6","1") = "6"
    & skf21("2","5","5","7","5","5","7","1") = "6"
    & skf21("2","5","5","7","5","6","1","1") = "6"
    & skf21("2","5","5","7","5","6","2","1") = "6"
    & skf21("2","5","5","7","5","6","3","1") = "6"
    & skf21("2","5","5","7","5","6","4","1") = "6"
    & skf21("2","5","5","7","5","6","5","1") = "6"
    & skf21("2","5","5","7","5","6","6","1") = "6"
    & skf21("2","5","5","7","5","6","7","1") = "6"
    & skf21("2","5","5","7","5","7","1","1") = "6"
    & skf21("2","5","5","7","5","7","2","1") = "6"
    & skf21("2","5","5","7","5","7","3","1") = "6"
    & skf21("2","5","5","7","5","7","4","1") = "6"
    & skf21("2","5","5","7","5","7","5","1") = "6"
    & skf21("2","5","5","7","5","7","6","1") = "6"
    & skf21("2","5","5","7","5","7","7","1") = "6"
    & skf21("2","5","5","7","6","1","1","1") = "6"
    & skf21("2","5","5","7","6","1","2","1") = "6"
    & skf21("2","5","5","7","6","1","3","1") = "6"
    & skf21("2","5","5","7","6","1","4","1") = "6"
    & skf21("2","5","5","7","6","1","5","1") = "6"
    & skf21("2","5","5","7","6","1","6","1") = "6"
    & skf21("2","5","5","7","6","1","7","1") = "6"
    & skf21("2","5","5","7","6","2","1","1") = "6"
    & skf21("2","5","5","7","6","2","2","1") = "6"
    & skf21("2","5","5","7","6","2","3","1") = "6"
    & skf21("2","5","5","7","6","2","4","1") = "6"
    & skf21("2","5","5","7","6","2","5","1") = "6"
    & skf21("2","5","5","7","6","2","6","1") = "6"
    & skf21("2","5","5","7","6","2","7","1") = "6"
    & skf21("2","5","5","7","6","3","1","1") = "6"
    & skf21("2","5","5","7","6","3","2","1") = "6"
    & skf21("2","5","5","7","6","3","3","1") = "6"
    & skf21("2","5","5","7","6","3","4","1") = "6"
    & skf21("2","5","5","7","6","3","5","1") = "6"
    & skf21("2","5","5","7","6","3","6","1") = "6"
    & skf21("2","5","5","7","6","3","7","1") = "6"
    & skf21("2","5","5","7","6","4","1","1") = "6"
    & skf21("2","5","5","7","6","4","2","1") = "6"
    & skf21("2","5","5","7","6","4","3","1") = "6"
    & skf21("2","5","5","7","6","4","4","1") = "6"
    & skf21("2","5","5","7","6","4","5","1") = "6"
    & skf21("2","5","5","7","6","4","6","1") = "6"
    & skf21("2","5","5","7","6","4","7","1") = "6"
    & skf21("2","5","5","7","6","5","1","1") = "6"
    & skf21("2","5","5","7","6","5","2","1") = "6"
    & skf21("2","5","5","7","6","5","3","1") = "6"
    & skf21("2","5","5","7","6","5","4","1") = "6"
    & skf21("2","5","5","7","6","5","5","1") = "6"
    & skf21("2","5","5","7","6","5","6","1") = "6"
    & skf21("2","5","5","7","6","5","7","1") = "6"
    & skf21("2","5","5","7","6","6","1","1") = "6"
    & skf21("2","5","5","7","6","6","2","1") = "6"
    & skf21("2","5","5","7","6","6","3","1") = "6"
    & skf21("2","5","5","7","6","6","4","1") = "6"
    & skf21("2","5","5","7","6","6","5","1") = "6"
    & skf21("2","5","5","7","6","6","6","1") = "6"
    & skf21("2","5","5","7","6","6","7","1") = "6"
    & skf21("2","5","5","7","6","7","1","1") = "6"
    & skf21("2","5","5","7","6","7","2","1") = "6"
    & skf21("2","5","5","7","6","7","3","1") = "6"
    & skf21("2","5","5","7","6","7","4","1") = "6"
    & skf21("2","5","5","7","6","7","5","1") = "6"
    & skf21("2","5","5","7","6","7","6","1") = "6"
    & skf21("2","5","5","7","6","7","7","1") = "6"
    & skf21("2","5","5","7","7","1","1","1") = "6"
    & skf21("2","5","5","7","7","1","2","1") = "6"
    & skf21("2","5","5","7","7","1","3","1") = "6"
    & skf21("2","5","5","7","7","1","4","1") = "6"
    & skf21("2","5","5","7","7","1","5","1") = "6"
    & skf21("2","5","5","7","7","1","6","1") = "6"
    & skf21("2","5","5","7","7","1","7","1") = "6"
    & skf21("2","5","5","7","7","2","1","1") = "6"
    & skf21("2","5","5","7","7","2","2","1") = "6"
    & skf21("2","5","5","7","7","2","3","1") = "6"
    & skf21("2","5","5","7","7","2","4","1") = "6"
    & skf21("2","5","5","7","7","2","5","1") = "6"
    & skf21("2","5","5","7","7","2","6","1") = "6"
    & skf21("2","5","5","7","7","2","7","1") = "6"
    & skf21("2","5","5","7","7","3","1","1") = "6"
    & skf21("2","5","5","7","7","3","2","1") = "6"
    & skf21("2","5","5","7","7","3","3","1") = "6"
    & skf21("2","5","5","7","7","3","4","1") = "6"
    & skf21("2","5","5","7","7","3","5","1") = "6"
    & skf21("2","5","5","7","7","3","6","1") = "6"
    & skf21("2","5","5","7","7","3","7","1") = "6"
    & skf21("2","5","5","7","7","4","1","1") = "6"
    & skf21("2","5","5","7","7","4","2","1") = "6"
    & skf21("2","5","5","7","7","4","3","1") = "6"
    & skf21("2","5","5","7","7","4","4","1") = "6"
    & skf21("2","5","5","7","7","4","5","1") = "6"
    & skf21("2","5","5","7","7","4","6","1") = "6"
    & skf21("2","5","5","7","7","4","7","1") = "6"
    & skf21("2","5","5","7","7","5","1","1") = "6"
    & skf21("2","5","5","7","7","5","2","1") = "6"
    & skf21("2","5","5","7","7","5","3","1") = "6"
    & skf21("2","5","5","7","7","5","4","1") = "6"
    & skf21("2","5","5","7","7","5","5","1") = "6"
    & skf21("2","5","5","7","7","5","6","1") = "6"
    & skf21("2","5","5","7","7","5","7","1") = "6"
    & skf21("2","5","5","7","7","6","1","1") = "6"
    & skf21("2","5","5","7","7","6","2","1") = "6"
    & skf21("2","5","5","7","7","6","3","1") = "6"
    & skf21("2","5","5","7","7","6","4","1") = "6"
    & skf21("2","5","5","7","7","6","5","1") = "6"
    & skf21("2","5","5","7","7","6","6","1") = "6"
    & skf21("2","5","5","7","7","6","7","1") = "6"
    & skf21("2","5","5","7","7","7","1","1") = "6"
    & skf21("2","5","5","7","7","7","2","1") = "6"
    & skf21("2","5","5","7","7","7","3","1") = "6"
    & skf21("2","5","5","7","7","7","4","1") = "6"
    & skf21("2","5","5","7","7","7","5","1") = "6"
    & skf21("2","5","5","7","7","7","6","1") = "6"
    & skf21("2","5","5","7","7","7","7","1") = "6"
    & skf21("2","5","6","1","1","1","1","1") = "5"
    & skf21("2","5","6","1","1","1","2","1") = "5"
    & skf21("2","5","6","1","1","1","3","1") = "5"
    & skf21("2","5","6","1","1","1","4","1") = "5"
    & skf21("2","5","6","1","1","1","5","1") = "5"
    & skf21("2","5","6","1","1","1","6","1") = "5"
    & skf21("2","5","6","1","1","1","7","1") = "6"
    & skf21("2","5","6","1","1","2","1","1") = "5"
    & skf21("2","5","6","1","1","2","2","1") = "5"
    & skf21("2","5","6","1","1","2","3","1") = "5"
    & skf21("2","5","6","1","1","2","4","1") = "5"
    & skf21("2","5","6","1","1","2","5","1") = "5"
    & skf21("2","5","6","1","1","2","6","1") = "5"
    & skf21("2","5","6","1","1","2","7","1") = "6"
    & skf21("2","5","6","1","1","3","1","1") = "5"
    & skf21("2","5","6","1","1","3","2","1") = "5"
    & skf21("2","5","6","1","1","3","3","1") = "5"
    & skf21("2","5","6","1","1","3","4","1") = "5"
    & skf21("2","5","6","1","1","3","5","1") = "5"
    & skf21("2","5","6","1","1","3","6","1") = "5"
    & skf21("2","5","6","1","1","3","7","1") = "6"
    & skf21("2","5","6","1","1","4","1","1") = "5"
    & skf21("2","5","6","1","1","4","2","1") = "5"
    & skf21("2","5","6","1","1","4","3","1") = "5"
    & skf21("2","5","6","1","1","4","4","1") = "5"
    & skf21("2","5","6","1","1","4","5","1") = "5"
    & skf21("2","5","6","1","1","4","6","1") = "5"
    & skf21("2","5","6","1","1","4","7","1") = "6"
    & skf21("2","5","6","1","1","5","1","1") = "5"
    & skf21("2","5","6","1","1","5","2","1") = "5"
    & skf21("2","5","6","1","1","5","3","1") = "5"
    & skf21("2","5","6","1","1","5","4","1") = "5"
    & skf21("2","5","6","1","1","5","5","1") = "5"
    & skf21("2","5","6","1","1","5","6","1") = "5"
    & skf21("2","5","6","1","1","5","7","1") = "6"
    & skf21("2","5","6","1","1","6","1","1") = "5"
    & skf21("2","5","6","1","1","6","2","1") = "5"
    & skf21("2","5","6","1","1","6","3","1") = "5"
    & skf21("2","5","6","1","1","6","4","1") = "5"
    & skf21("2","5","6","1","1","6","5","1") = "5"
    & skf21("2","5","6","1","1","6","6","1") = "5"
    & skf21("2","5","6","1","1","6","7","1") = "6"
    & skf21("2","5","6","1","1","7","1","1") = "6"
    & skf21("2","5","6","1","1","7","2","1") = "6"
    & skf21("2","5","6","1","1","7","3","1") = "6"
    & skf21("2","5","6","1","1","7","4","1") = "6"
    & skf21("2","5","6","1","1","7","5","1") = "6"
    & skf21("2","5","6","1","1","7","6","1") = "6"
    & skf21("2","5","6","1","1","7","7","1") = "6"
    & skf21("2","5","6","1","2","1","1","1") = "5"
    & skf21("2","5","6","1","2","1","2","1") = "5"
    & skf21("2","5","6","1","2","1","3","1") = "5"
    & skf21("2","5","6","1","2","1","4","1") = "5"
    & skf21("2","5","6","1","2","1","5","1") = "5"
    & skf21("2","5","6","1","2","1","6","1") = "5"
    & skf21("2","5","6","1","2","1","7","1") = "6"
    & skf21("2","5","6","1","2","2","1","1") = "5"
    & skf21("2","5","6","1","2","2","2","1") = "5"
    & skf21("2","5","6","1","2","2","3","1") = "5"
    & skf21("2","5","6","1","2","2","4","1") = "5"
    & skf21("2","5","6","1","2","2","5","1") = "5"
    & skf21("2","5","6","1","2","2","6","1") = "5"
    & skf21("2","5","6","1","2","2","7","1") = "6"
    & skf21("2","5","6","1","2","3","1","1") = "5"
    & skf21("2","5","6","1","2","3","2","1") = "5"
    & skf21("2","5","6","1","2","3","3","1") = "5"
    & skf21("2","5","6","1","2","3","4","1") = "5"
    & skf21("2","5","6","1","2","3","5","1") = "5"
    & skf21("2","5","6","1","2","3","6","1") = "5"
    & skf21("2","5","6","1","2","3","7","1") = "6"
    & skf21("2","5","6","1","2","4","1","1") = "5"
    & skf21("2","5","6","1","2","4","2","1") = "5"
    & skf21("2","5","6","1","2","4","3","1") = "5"
    & skf21("2","5","6","1","2","4","4","1") = "5"
    & skf21("2","5","6","1","2","4","5","1") = "5"
    & skf21("2","5","6","1","2","4","6","1") = "5"
    & skf21("2","5","6","1","2","4","7","1") = "6"
    & skf21("2","5","6","1","2","5","1","1") = "5"
    & skf21("2","5","6","1","2","5","2","1") = "5"
    & skf21("2","5","6","1","2","5","3","1") = "5"
    & skf21("2","5","6","1","2","5","4","1") = "5"
    & skf21("2","5","6","1","2","5","5","1") = "5"
    & skf21("2","5","6","1","2","5","6","1") = "5"
    & skf21("2","5","6","1","2","5","7","1") = "6"
    & skf21("2","5","6","1","2","6","1","1") = "5"
    & skf21("2","5","6","1","2","6","2","1") = "5"
    & skf21("2","5","6","1","2","6","3","1") = "5"
    & skf21("2","5","6","1","2","6","4","1") = "5"
    & skf21("2","5","6","1","2","6","5","1") = "5"
    & skf21("2","5","6","1","2","6","6","1") = "5"
    & skf21("2","5","6","1","2","6","7","1") = "6"
    & skf21("2","5","6","1","2","7","1","1") = "6"
    & skf21("2","5","6","1","2","7","2","1") = "6"
    & skf21("2","5","6","1","2","7","3","1") = "6"
    & skf21("2","5","6","1","2","7","4","1") = "6"
    & skf21("2","5","6","1","2","7","5","1") = "6"
    & skf21("2","5","6","1","2","7","6","1") = "6"
    & skf21("2","5","6","1","2","7","7","1") = "6"
    & skf21("2","5","6","1","3","1","1","1") = "5"
    & skf21("2","5","6","1","3","1","2","1") = "5"
    & skf21("2","5","6","1","3","1","3","1") = "5"
    & skf21("2","5","6","1","3","1","4","1") = "5"
    & skf21("2","5","6","1","3","1","5","1") = "5"
    & skf21("2","5","6","1","3","1","6","1") = "5"
    & skf21("2","5","6","1","3","1","7","1") = "6"
    & skf21("2","5","6","1","3","2","1","1") = "5"
    & skf21("2","5","6","1","3","2","2","1") = "5"
    & skf21("2","5","6","1","3","2","3","1") = "5"
    & skf21("2","5","6","1","3","2","4","1") = "5"
    & skf21("2","5","6","1","3","2","5","1") = "5"
    & skf21("2","5","6","1","3","2","6","1") = "5"
    & skf21("2","5","6","1","3","2","7","1") = "6"
    & skf21("2","5","6","1","3","3","1","1") = "5"
    & skf21("2","5","6","1","3","3","2","1") = "5"
    & skf21("2","5","6","1","3","3","3","1") = "5"
    & skf21("2","5","6","1","3","3","4","1") = "5"
    & skf21("2","5","6","1","3","3","5","1") = "5"
    & skf21("2","5","6","1","3","3","6","1") = "5"
    & skf21("2","5","6","1","3","3","7","1") = "6"
    & skf21("2","5","6","1","3","4","1","1") = "5"
    & skf21("2","5","6","1","3","4","2","1") = "5"
    & skf21("2","5","6","1","3","4","3","1") = "5"
    & skf21("2","5","6","1","3","4","4","1") = "5"
    & skf21("2","5","6","1","3","4","5","1") = "5"
    & skf21("2","5","6","1","3","4","6","1") = "5"
    & skf21("2","5","6","1","3","4","7","1") = "6"
    & skf21("2","5","6","1","3","5","1","1") = "5"
    & skf21("2","5","6","1","3","5","2","1") = "5"
    & skf21("2","5","6","1","3","5","3","1") = "5"
    & skf21("2","5","6","1","3","5","4","1") = "5"
    & skf21("2","5","6","1","3","5","5","1") = "5"
    & skf21("2","5","6","1","3","5","6","1") = "5"
    & skf21("2","5","6","1","3","5","7","1") = "6"
    & skf21("2","5","6","1","3","6","1","1") = "5"
    & skf21("2","5","6","1","3","6","2","1") = "5"
    & skf21("2","5","6","1","3","6","3","1") = "5"
    & skf21("2","5","6","1","3","6","4","1") = "5"
    & skf21("2","5","6","1","3","6","5","1") = "5"
    & skf21("2","5","6","1","3","6","6","1") = "5"
    & skf21("2","5","6","1","3","6","7","1") = "6"
    & skf21("2","5","6","1","3","7","1","1") = "6"
    & skf21("2","5","6","1","3","7","2","1") = "6"
    & skf21("2","5","6","1","3","7","3","1") = "6"
    & skf21("2","5","6","1","3","7","4","1") = "6"
    & skf21("2","5","6","1","3","7","5","1") = "6"
    & skf21("2","5","6","1","3","7","6","1") = "6"
    & skf21("2","5","6","1","3","7","7","1") = "6"
    & skf21("2","5","6","1","4","1","1","1") = "5"
    & skf21("2","5","6","1","4","1","2","1") = "5"
    & skf21("2","5","6","1","4","1","3","1") = "5"
    & skf21("2","5","6","1","4","1","4","1") = "5"
    & skf21("2","5","6","1","4","1","5","1") = "5"
    & skf21("2","5","6","1","4","1","6","1") = "5"
    & skf21("2","5","6","1","4","1","7","1") = "6"
    & skf21("2","5","6","1","4","2","1","1") = "5"
    & skf21("2","5","6","1","4","2","2","1") = "5"
    & skf21("2","5","6","1","4","2","3","1") = "5"
    & skf21("2","5","6","1","4","2","4","1") = "5"
    & skf21("2","5","6","1","4","2","5","1") = "5"
    & skf21("2","5","6","1","4","2","6","1") = "5"
    & skf21("2","5","6","1","4","2","7","1") = "6"
    & skf21("2","5","6","1","4","3","1","1") = "5"
    & skf21("2","5","6","1","4","3","2","1") = "5"
    & skf21("2","5","6","1","4","3","3","1") = "5"
    & skf21("2","5","6","1","4","3","4","1") = "5"
    & skf21("2","5","6","1","4","3","5","1") = "5"
    & skf21("2","5","6","1","4","3","6","1") = "5"
    & skf21("2","5","6","1","4","3","7","1") = "6"
    & skf21("2","5","6","1","4","4","1","1") = "5"
    & skf21("2","5","6","1","4","4","2","1") = "5"
    & skf21("2","5","6","1","4","4","3","1") = "5"
    & skf21("2","5","6","1","4","4","4","1") = "5"
    & skf21("2","5","6","1","4","4","5","1") = "5"
    & skf21("2","5","6","1","4","4","6","1") = "5"
    & skf21("2","5","6","1","4","4","7","1") = "6"
    & skf21("2","5","6","1","4","5","1","1") = "5"
    & skf21("2","5","6","1","4","5","2","1") = "5"
    & skf21("2","5","6","1","4","5","3","1") = "5"
    & skf21("2","5","6","1","4","5","4","1") = "5"
    & skf21("2","5","6","1","4","5","5","1") = "5"
    & skf21("2","5","6","1","4","5","6","1") = "5"
    & skf21("2","5","6","1","4","5","7","1") = "6"
    & skf21("2","5","6","1","4","6","1","1") = "5"
    & skf21("2","5","6","1","4","6","2","1") = "5"
    & skf21("2","5","6","1","4","6","3","1") = "5"
    & skf21("2","5","6","1","4","6","4","1") = "5"
    & skf21("2","5","6","1","4","6","5","1") = "5"
    & skf21("2","5","6","1","4","6","6","1") = "5"
    & skf21("2","5","6","1","4","6","7","1") = "6"
    & skf21("2","5","6","1","4","7","1","1") = "6"
    & skf21("2","5","6","1","4","7","2","1") = "6"
    & skf21("2","5","6","1","4","7","3","1") = "6"
    & skf21("2","5","6","1","4","7","4","1") = "6"
    & skf21("2","5","6","1","4","7","5","1") = "6"
    & skf21("2","5","6","1","4","7","6","1") = "6"
    & skf21("2","5","6","1","4","7","7","1") = "6"
    & skf21("2","5","6","1","5","1","1","1") = "5"
    & skf21("2","5","6","1","5","1","2","1") = "5"
    & skf21("2","5","6","1","5","1","3","1") = "5"
    & skf21("2","5","6","1","5","1","4","1") = "5"
    & skf21("2","5","6","1","5","1","5","1") = "5"
    & skf21("2","5","6","1","5","1","6","1") = "5"
    & skf21("2","5","6","1","5","1","7","1") = "6"
    & skf21("2","5","6","1","5","2","1","1") = "5"
    & skf21("2","5","6","1","5","2","2","1") = "5"
    & skf21("2","5","6","1","5","2","3","1") = "5"
    & skf21("2","5","6","1","5","2","4","1") = "5"
    & skf21("2","5","6","1","5","2","5","1") = "5"
    & skf21("2","5","6","1","5","2","6","1") = "5"
    & skf21("2","5","6","1","5","2","7","1") = "6"
    & skf21("2","5","6","1","5","3","1","1") = "5"
    & skf21("2","5","6","1","5","3","2","1") = "5"
    & skf21("2","5","6","1","5","3","3","1") = "5"
    & skf21("2","5","6","1","5","3","4","1") = "5"
    & skf21("2","5","6","1","5","3","5","1") = "5"
    & skf21("2","5","6","1","5","3","6","1") = "5"
    & skf21("2","5","6","1","5","3","7","1") = "6"
    & skf21("2","5","6","1","5","4","1","1") = "5"
    & skf21("2","5","6","1","5","4","2","1") = "5"
    & skf21("2","5","6","1","5","4","3","1") = "5"
    & skf21("2","5","6","1","5","4","4","1") = "5"
    & skf21("2","5","6","1","5","4","5","1") = "5"
    & skf21("2","5","6","1","5","4","6","1") = "5"
    & skf21("2","5","6","1","5","4","7","1") = "6"
    & skf21("2","5","6","1","5","5","1","1") = "5"
    & skf21("2","5","6","1","5","5","2","1") = "5"
    & skf21("2","5","6","1","5","5","3","1") = "5"
    & skf21("2","5","6","1","5","5","4","1") = "5"
    & skf21("2","5","6","1","5","5","5","1") = "5"
    & skf21("2","5","6","1","5","5","6","1") = "5"
    & skf21("2","5","6","1","5","5","7","1") = "6"
    & skf21("2","5","6","1","5","6","1","1") = "5"
    & skf21("2","5","6","1","5","6","2","1") = "5"
    & skf21("2","5","6","1","5","6","3","1") = "5"
    & skf21("2","5","6","1","5","6","4","1") = "5"
    & skf21("2","5","6","1","5","6","5","1") = "5"
    & skf21("2","5","6","1","5","6","6","1") = "5"
    & skf21("2","5","6","1","5","6","7","1") = "6"
    & skf21("2","5","6","1","5","7","1","1") = "6"
    & skf21("2","5","6","1","5","7","2","1") = "6"
    & skf21("2","5","6","1","5","7","3","1") = "6"
    & skf21("2","5","6","1","5","7","4","1") = "6"
    & skf21("2","5","6","1","5","7","5","1") = "6"
    & skf21("2","5","6","1","5","7","6","1") = "6"
    & skf21("2","5","6","1","5","7","7","1") = "6"
    & skf21("2","5","6","1","6","1","1","1") = "5"
    & skf21("2","5","6","1","6","1","2","1") = "5"
    & skf21("2","5","6","1","6","1","3","1") = "5"
    & skf21("2","5","6","1","6","1","4","1") = "5"
    & skf21("2","5","6","1","6","1","5","1") = "5"
    & skf21("2","5","6","1","6","1","6","1") = "5"
    & skf21("2","5","6","1","6","1","7","1") = "6"
    & skf21("2","5","6","1","6","2","1","1") = "5"
    & skf21("2","5","6","1","6","2","2","1") = "5"
    & skf21("2","5","6","1","6","2","3","1") = "5"
    & skf21("2","5","6","1","6","2","4","1") = "5"
    & skf21("2","5","6","1","6","2","5","1") = "5"
    & skf21("2","5","6","1","6","2","6","1") = "5"
    & skf21("2","5","6","1","6","2","7","1") = "6"
    & skf21("2","5","6","1","6","3","1","1") = "5"
    & skf21("2","5","6","1","6","3","2","1") = "5"
    & skf21("2","5","6","1","6","3","3","1") = "5"
    & skf21("2","5","6","1","6","3","4","1") = "5"
    & skf21("2","5","6","1","6","3","5","1") = "5"
    & skf21("2","5","6","1","6","3","6","1") = "5"
    & skf21("2","5","6","1","6","3","7","1") = "6"
    & skf21("2","5","6","1","6","4","1","1") = "5"
    & skf21("2","5","6","1","6","4","2","1") = "5"
    & skf21("2","5","6","1","6","4","3","1") = "5"
    & skf21("2","5","6","1","6","4","4","1") = "5"
    & skf21("2","5","6","1","6","4","5","1") = "5"
    & skf21("2","5","6","1","6","4","6","1") = "5"
    & skf21("2","5","6","1","6","4","7","1") = "6"
    & skf21("2","5","6","1","6","5","1","1") = "5"
    & skf21("2","5","6","1","6","5","2","1") = "5"
    & skf21("2","5","6","1","6","5","3","1") = "5"
    & skf21("2","5","6","1","6","5","4","1") = "5"
    & skf21("2","5","6","1","6","5","5","1") = "5"
    & skf21("2","5","6","1","6","5","6","1") = "5"
    & skf21("2","5","6","1","6","5","7","1") = "6"
    & skf21("2","5","6","1","6","6","1","1") = "5"
    & skf21("2","5","6","1","6","6","2","1") = "5"
    & skf21("2","5","6","1","6","6","3","1") = "5"
    & skf21("2","5","6","1","6","6","4","1") = "5"
    & skf21("2","5","6","1","6","6","5","1") = "5"
    & skf21("2","5","6","1","6","6","6","1") = "5"
    & skf21("2","5","6","1","6","6","7","1") = "6"
    & skf21("2","5","6","1","6","7","1","1") = "6"
    & skf21("2","5","6","1","6","7","2","1") = "6"
    & skf21("2","5","6","1","6","7","3","1") = "6"
    & skf21("2","5","6","1","6","7","4","1") = "6"
    & skf21("2","5","6","1","6","7","5","1") = "6"
    & skf21("2","5","6","1","6","7","6","1") = "6"
    & skf21("2","5","6","1","6","7","7","1") = "6"
    & skf21("2","5","6","1","7","1","1","1") = "6"
    & skf21("2","5","6","1","7","1","2","1") = "6"
    & skf21("2","5","6","1","7","1","3","1") = "6"
    & skf21("2","5","6","1","7","1","4","1") = "6"
    & skf21("2","5","6","1","7","1","5","1") = "6"
    & skf21("2","5","6","1","7","1","6","1") = "6"
    & skf21("2","5","6","1","7","1","7","1") = "6"
    & skf21("2","5","6","1","7","2","1","1") = "6"
    & skf21("2","5","6","1","7","2","2","1") = "6"
    & skf21("2","5","6","1","7","2","3","1") = "6"
    & skf21("2","5","6","1","7","2","4","1") = "6"
    & skf21("2","5","6","1","7","2","5","1") = "6"
    & skf21("2","5","6","1","7","2","6","1") = "6"
    & skf21("2","5","6","1","7","2","7","1") = "6"
    & skf21("2","5","6","1","7","3","1","1") = "6"
    & skf21("2","5","6","1","7","3","2","1") = "6"
    & skf21("2","5","6","1","7","3","3","1") = "6"
    & skf21("2","5","6","1","7","3","4","1") = "6"
    & skf21("2","5","6","1","7","3","5","1") = "6"
    & skf21("2","5","6","1","7","3","6","1") = "6"
    & skf21("2","5","6","1","7","3","7","1") = "6"
    & skf21("2","5","6","1","7","4","1","1") = "6"
    & skf21("2","5","6","1","7","4","2","1") = "6"
    & skf21("2","5","6","1","7","4","3","1") = "6"
    & skf21("2","5","6","1","7","4","4","1") = "6"
    & skf21("2","5","6","1","7","4","5","1") = "6"
    & skf21("2","5","6","1","7","4","6","1") = "6"
    & skf21("2","5","6","1","7","4","7","1") = "6"
    & skf21("2","5","6","1","7","5","1","1") = "6"
    & skf21("2","5","6","1","7","5","2","1") = "6"
    & skf21("2","5","6","1","7","5","3","1") = "6"
    & skf21("2","5","6","1","7","5","4","1") = "6"
    & skf21("2","5","6","1","7","5","5","1") = "6"
    & skf21("2","5","6","1","7","5","6","1") = "6"
    & skf21("2","5","6","1","7","5","7","1") = "6"
    & skf21("2","5","6","1","7","6","1","1") = "6"
    & skf21("2","5","6","1","7","6","2","1") = "6"
    & skf21("2","5","6","1","7","6","3","1") = "6"
    & skf21("2","5","6","1","7","6","4","1") = "6"
    & skf21("2","5","6","1","7","6","5","1") = "6"
    & skf21("2","5","6","1","7","6","6","1") = "6"
    & skf21("2","5","6","1","7","6","7","1") = "6"
    & skf21("2","5","6","1","7","7","1","1") = "6"
    & skf21("2","5","6","1","7","7","2","1") = "6"
    & skf21("2","5","6","1","7","7","3","1") = "6"
    & skf21("2","5","6","1","7","7","4","1") = "6"
    & skf21("2","5","6","1","7","7","5","1") = "6"
    & skf21("2","5","6","1","7","7","6","1") = "6"
    & skf21("2","5","6","1","7","7","7","1") = "6"
    & skf21("2","5","6","2","1","1","1","1") = "5"
    & skf21("2","5","6","2","1","1","2","1") = "5"
    & skf21("2","5","6","2","1","1","3","1") = "5"
    & skf21("2","5","6","2","1","1","4","1") = "5"
    & skf21("2","5","6","2","1","1","5","1") = "5"
    & skf21("2","5","6","2","1","1","6","1") = "5"
    & skf21("2","5","6","2","1","1","7","1") = "6"
    & skf21("2","5","6","2","1","2","1","1") = "5"
    & skf21("2","5","6","2","1","2","2","1") = "5"
    & skf21("2","5","6","2","1","2","3","1") = "5"
    & skf21("2","5","6","2","1","2","4","1") = "5"
    & skf21("2","5","6","2","1","2","5","1") = "5"
    & skf21("2","5","6","2","1","2","6","1") = "5"
    & skf21("2","5","6","2","1","2","7","1") = "6"
    & skf21("2","5","6","2","1","3","1","1") = "5"
    & skf21("2","5","6","2","1","3","2","1") = "5"
    & skf21("2","5","6","2","1","3","3","1") = "5"
    & skf21("2","5","6","2","1","3","4","1") = "5"
    & skf21("2","5","6","2","1","3","5","1") = "5"
    & skf21("2","5","6","2","1","3","6","1") = "5"
    & skf21("2","5","6","2","1","3","7","1") = "6"
    & skf21("2","5","6","2","1","4","1","1") = "5"
    & skf21("2","5","6","2","1","4","2","1") = "5"
    & skf21("2","5","6","2","1","4","3","1") = "5"
    & skf21("2","5","6","2","1","4","4","1") = "5"
    & skf21("2","5","6","2","1","4","5","1") = "5"
    & skf21("2","5","6","2","1","4","6","1") = "5"
    & skf21("2","5","6","2","1","4","7","1") = "6"
    & skf21("2","5","6","2","1","5","1","1") = "5"
    & skf21("2","5","6","2","1","5","2","1") = "5"
    & skf21("2","5","6","2","1","5","3","1") = "5"
    & skf21("2","5","6","2","1","5","4","1") = "5"
    & skf21("2","5","6","2","1","5","5","1") = "5"
    & skf21("2","5","6","2","1","5","6","1") = "5"
    & skf21("2","5","6","2","1","5","7","1") = "6"
    & skf21("2","5","6","2","1","6","1","1") = "5"
    & skf21("2","5","6","2","1","6","2","1") = "5"
    & skf21("2","5","6","2","1","6","3","1") = "5"
    & skf21("2","5","6","2","1","6","4","1") = "5"
    & skf21("2","5","6","2","1","6","5","1") = "5"
    & skf21("2","5","6","2","1","6","6","1") = "5"
    & skf21("2","5","6","2","1","6","7","1") = "6"
    & skf21("2","5","6","2","1","7","1","1") = "6"
    & skf21("2","5","6","2","1","7","2","1") = "6"
    & skf21("2","5","6","2","1","7","3","1") = "6"
    & skf21("2","5","6","2","1","7","4","1") = "6"
    & skf21("2","5","6","2","1","7","5","1") = "6"
    & skf21("2","5","6","2","1","7","6","1") = "6"
    & skf21("2","5","6","2","1","7","7","1") = "6"
    & skf21("2","5","6","2","2","1","1","1") = "5"
    & skf21("2","5","6","2","2","1","2","1") = "5"
    & skf21("2","5","6","2","2","1","3","1") = "5"
    & skf21("2","5","6","2","2","1","4","1") = "5"
    & skf21("2","5","6","2","2","1","5","1") = "5"
    & skf21("2","5","6","2","2","1","6","1") = "5"
    & skf21("2","5","6","2","2","1","7","1") = "6"
    & skf21("2","5","6","2","2","2","1","1") = "5"
    & skf21("2","5","6","2","2","2","2","1") = "5"
    & skf21("2","5","6","2","2","2","3","1") = "5"
    & skf21("2","5","6","2","2","2","4","1") = "5"
    & skf21("2","5","6","2","2","2","5","1") = "5"
    & skf21("2","5","6","2","2","2","6","1") = "5"
    & skf21("2","5","6","2","2","2","7","1") = "6"
    & skf21("2","5","6","2","2","3","1","1") = "5"
    & skf21("2","5","6","2","2","3","2","1") = "5"
    & skf21("2","5","6","2","2","3","3","1") = "5"
    & skf21("2","5","6","2","2","3","4","1") = "5"
    & skf21("2","5","6","2","2","3","5","1") = "5"
    & skf21("2","5","6","2","2","3","6","1") = "5"
    & skf21("2","5","6","2","2","3","7","1") = "6"
    & skf21("2","5","6","2","2","4","1","1") = "5"
    & skf21("2","5","6","2","2","4","2","1") = "5"
    & skf21("2","5","6","2","2","4","3","1") = "5"
    & skf21("2","5","6","2","2","4","4","1") = "5"
    & skf21("2","5","6","2","2","4","5","1") = "5"
    & skf21("2","5","6","2","2","4","6","1") = "5"
    & skf21("2","5","6","2","2","4","7","1") = "6"
    & skf21("2","5","6","2","2","5","1","1") = "5"
    & skf21("2","5","6","2","2","5","2","1") = "5"
    & skf21("2","5","6","2","2","5","3","1") = "5"
    & skf21("2","5","6","2","2","5","4","1") = "5"
    & skf21("2","5","6","2","2","5","5","1") = "5"
    & skf21("2","5","6","2","2","5","6","1") = "5"
    & skf21("2","5","6","2","2","5","7","1") = "6"
    & skf21("2","5","6","2","2","6","1","1") = "5"
    & skf21("2","5","6","2","2","6","2","1") = "5"
    & skf21("2","5","6","2","2","6","3","1") = "5"
    & skf21("2","5","6","2","2","6","4","1") = "5"
    & skf21("2","5","6","2","2","6","5","1") = "5"
    & skf21("2","5","6","2","2","6","6","1") = "5"
    & skf21("2","5","6","2","2","6","7","1") = "6"
    & skf21("2","5","6","2","2","7","1","1") = "6"
    & skf21("2","5","6","2","2","7","2","1") = "6"
    & skf21("2","5","6","2","2","7","3","1") = "6"
    & skf21("2","5","6","2","2","7","4","1") = "6"
    & skf21("2","5","6","2","2","7","5","1") = "6"
    & skf21("2","5","6","2","2","7","6","1") = "6"
    & skf21("2","5","6","2","2","7","7","1") = "6"
    & skf21("2","5","6","2","3","1","1","1") = "5"
    & skf21("2","5","6","2","3","1","2","1") = "5"
    & skf21("2","5","6","2","3","1","3","1") = "5"
    & skf21("2","5","6","2","3","1","4","1") = "5"
    & skf21("2","5","6","2","3","1","5","1") = "5"
    & skf21("2","5","6","2","3","1","6","1") = "5"
    & skf21("2","5","6","2","3","1","7","1") = "6"
    & skf21("2","5","6","2","3","2","1","1") = "5"
    & skf21("2","5","6","2","3","2","2","1") = "5"
    & skf21("2","5","6","2","3","2","3","1") = "5"
    & skf21("2","5","6","2","3","2","4","1") = "5"
    & skf21("2","5","6","2","3","2","5","1") = "5"
    & skf21("2","5","6","2","3","2","6","1") = "5"
    & skf21("2","5","6","2","3","2","7","1") = "6"
    & skf21("2","5","6","2","3","3","1","1") = "5"
    & skf21("2","5","6","2","3","3","2","1") = "5"
    & skf21("2","5","6","2","3","3","3","1") = "5"
    & skf21("2","5","6","2","3","3","4","1") = "5"
    & skf21("2","5","6","2","3","3","5","1") = "5"
    & skf21("2","5","6","2","3","3","6","1") = "5"
    & skf21("2","5","6","2","3","3","7","1") = "6"
    & skf21("2","5","6","2","3","4","1","1") = "5"
    & skf21("2","5","6","2","3","4","2","1") = "5"
    & skf21("2","5","6","2","3","4","3","1") = "5"
    & skf21("2","5","6","2","3","4","4","1") = "5"
    & skf21("2","5","6","2","3","4","5","1") = "5"
    & skf21("2","5","6","2","3","4","6","1") = "5"
    & skf21("2","5","6","2","3","4","7","1") = "6"
    & skf21("2","5","6","2","3","5","1","1") = "5"
    & skf21("2","5","6","2","3","5","2","1") = "5"
    & skf21("2","5","6","2","3","5","3","1") = "5"
    & skf21("2","5","6","2","3","5","4","1") = "5"
    & skf21("2","5","6","2","3","5","5","1") = "5"
    & skf21("2","5","6","2","3","5","6","1") = "5"
    & skf21("2","5","6","2","3","5","7","1") = "6"
    & skf21("2","5","6","2","3","6","1","1") = "5"
    & skf21("2","5","6","2","3","6","2","1") = "5"
    & skf21("2","5","6","2","3","6","3","1") = "5"
    & skf21("2","5","6","2","3","6","4","1") = "5"
    & skf21("2","5","6","2","3","6","5","1") = "5"
    & skf21("2","5","6","2","3","6","6","1") = "5"
    & skf21("2","5","6","2","3","6","7","1") = "6"
    & skf21("2","5","6","2","3","7","1","1") = "6"
    & skf21("2","5","6","2","3","7","2","1") = "6"
    & skf21("2","5","6","2","3","7","3","1") = "6"
    & skf21("2","5","6","2","3","7","4","1") = "6"
    & skf21("2","5","6","2","3","7","5","1") = "6"
    & skf21("2","5","6","2","3","7","6","1") = "6"
    & skf21("2","5","6","2","3","7","7","1") = "6"
    & skf21("2","5","6","2","4","1","1","1") = "5"
    & skf21("2","5","6","2","4","1","2","1") = "5"
    & skf21("2","5","6","2","4","1","3","1") = "5"
    & skf21("2","5","6","2","4","1","4","1") = "5"
    & skf21("2","5","6","2","4","1","5","1") = "5"
    & skf21("2","5","6","2","4","1","6","1") = "5"
    & skf21("2","5","6","2","4","1","7","1") = "6"
    & skf21("2","5","6","2","4","2","1","1") = "5"
    & skf21("2","5","6","2","4","2","2","1") = "5"
    & skf21("2","5","6","2","4","2","3","1") = "5"
    & skf21("2","5","6","2","4","2","4","1") = "5"
    & skf21("2","5","6","2","4","2","5","1") = "5"
    & skf21("2","5","6","2","4","2","6","1") = "5"
    & skf21("2","5","6","2","4","2","7","1") = "6"
    & skf21("2","5","6","2","4","3","1","1") = "5"
    & skf21("2","5","6","2","4","3","2","1") = "5"
    & skf21("2","5","6","2","4","3","3","1") = "5"
    & skf21("2","5","6","2","4","3","4","1") = "5"
    & skf21("2","5","6","2","4","3","5","1") = "5"
    & skf21("2","5","6","2","4","3","6","1") = "5"
    & skf21("2","5","6","2","4","3","7","1") = "6"
    & skf21("2","5","6","2","4","4","1","1") = "5"
    & skf21("2","5","6","2","4","4","2","1") = "5"
    & skf21("2","5","6","2","4","4","3","1") = "5"
    & skf21("2","5","6","2","4","4","4","1") = "5"
    & skf21("2","5","6","2","4","4","5","1") = "5"
    & skf21("2","5","6","2","4","4","6","1") = "5"
    & skf21("2","5","6","2","4","4","7","1") = "6"
    & skf21("2","5","6","2","4","5","1","1") = "5"
    & skf21("2","5","6","2","4","5","2","1") = "5"
    & skf21("2","5","6","2","4","5","3","1") = "5"
    & skf21("2","5","6","2","4","5","4","1") = "5"
    & skf21("2","5","6","2","4","5","5","1") = "5"
    & skf21("2","5","6","2","4","5","6","1") = "5"
    & skf21("2","5","6","2","4","5","7","1") = "6"
    & skf21("2","5","6","2","4","6","1","1") = "5"
    & skf21("2","5","6","2","4","6","2","1") = "5"
    & skf21("2","5","6","2","4","6","3","1") = "5"
    & skf21("2","5","6","2","4","6","4","1") = "5"
    & skf21("2","5","6","2","4","6","5","1") = "5"
    & skf21("2","5","6","2","4","6","6","1") = "5"
    & skf21("2","5","6","2","4","6","7","1") = "6"
    & skf21("2","5","6","2","4","7","1","1") = "6"
    & skf21("2","5","6","2","4","7","2","1") = "6"
    & skf21("2","5","6","2","4","7","3","1") = "6"
    & skf21("2","5","6","2","4","7","4","1") = "6"
    & skf21("2","5","6","2","4","7","5","1") = "6"
    & skf21("2","5","6","2","4","7","6","1") = "6"
    & skf21("2","5","6","2","4","7","7","1") = "6"
    & skf21("2","5","6","2","5","1","1","1") = "5"
    & skf21("2","5","6","2","5","1","2","1") = "5"
    & skf21("2","5","6","2","5","1","3","1") = "5"
    & skf21("2","5","6","2","5","1","4","1") = "5"
    & skf21("2","5","6","2","5","1","5","1") = "5"
    & skf21("2","5","6","2","5","1","6","1") = "5"
    & skf21("2","5","6","2","5","1","7","1") = "6"
    & skf21("2","5","6","2","5","2","1","1") = "5"
    & skf21("2","5","6","2","5","2","2","1") = "5"
    & skf21("2","5","6","2","5","2","3","1") = "5"
    & skf21("2","5","6","2","5","2","4","1") = "5"
    & skf21("2","5","6","2","5","2","5","1") = "5"
    & skf21("2","5","6","2","5","2","6","1") = "5"
    & skf21("2","5","6","2","5","2","7","1") = "6"
    & skf21("2","5","6","2","5","3","1","1") = "5"
    & skf21("2","5","6","2","5","3","2","1") = "5"
    & skf21("2","5","6","2","5","3","3","1") = "5"
    & skf21("2","5","6","2","5","3","4","1") = "5"
    & skf21("2","5","6","2","5","3","5","1") = "5"
    & skf21("2","5","6","2","5","3","6","1") = "5"
    & skf21("2","5","6","2","5","3","7","1") = "6"
    & skf21("2","5","6","2","5","4","1","1") = "5"
    & skf21("2","5","6","2","5","4","2","1") = "5"
    & skf21("2","5","6","2","5","4","3","1") = "5"
    & skf21("2","5","6","2","5","4","4","1") = "5"
    & skf21("2","5","6","2","5","4","5","1") = "5"
    & skf21("2","5","6","2","5","4","6","1") = "5"
    & skf21("2","5","6","2","5","4","7","1") = "6"
    & skf21("2","5","6","2","5","5","1","1") = "5"
    & skf21("2","5","6","2","5","5","2","1") = "5"
    & skf21("2","5","6","2","5","5","3","1") = "5"
    & skf21("2","5","6","2","5","5","4","1") = "5"
    & skf21("2","5","6","2","5","5","5","1") = "5"
    & skf21("2","5","6","2","5","5","6","1") = "5"
    & skf21("2","5","6","2","5","5","7","1") = "6"
    & skf21("2","5","6","2","5","6","1","1") = "5"
    & skf21("2","5","6","2","5","6","2","1") = "5"
    & skf21("2","5","6","2","5","6","3","1") = "5"
    & skf21("2","5","6","2","5","6","4","1") = "5"
    & skf21("2","5","6","2","5","6","5","1") = "5"
    & skf21("2","5","6","2","5","6","6","1") = "5"
    & skf21("2","5","6","2","5","6","7","1") = "6"
    & skf21("2","5","6","2","5","7","1","1") = "6"
    & skf21("2","5","6","2","5","7","2","1") = "6"
    & skf21("2","5","6","2","5","7","3","1") = "6"
    & skf21("2","5","6","2","5","7","4","1") = "6"
    & skf21("2","5","6","2","5","7","5","1") = "6"
    & skf21("2","5","6","2","5","7","6","1") = "6"
    & skf21("2","5","6","2","5","7","7","1") = "6"
    & skf21("2","5","6","2","6","1","1","1") = "5"
    & skf21("2","5","6","2","6","1","2","1") = "5"
    & skf21("2","5","6","2","6","1","3","1") = "5"
    & skf21("2","5","6","2","6","1","4","1") = "5"
    & skf21("2","5","6","2","6","1","5","1") = "5"
    & skf21("2","5","6","2","6","1","6","1") = "5"
    & skf21("2","5","6","2","6","1","7","1") = "6"
    & skf21("2","5","6","2","6","2","1","1") = "5"
    & skf21("2","5","6","2","6","2","2","1") = "5"
    & skf21("2","5","6","2","6","2","3","1") = "5"
    & skf21("2","5","6","2","6","2","4","1") = "5"
    & skf21("2","5","6","2","6","2","5","1") = "5"
    & skf21("2","5","6","2","6","2","6","1") = "5"
    & skf21("2","5","6","2","6","2","7","1") = "6"
    & skf21("2","5","6","2","6","3","1","1") = "5"
    & skf21("2","5","6","2","6","3","2","1") = "5"
    & skf21("2","5","6","2","6","3","3","1") = "5"
    & skf21("2","5","6","2","6","3","4","1") = "5"
    & skf21("2","5","6","2","6","3","5","1") = "5"
    & skf21("2","5","6","2","6","3","6","1") = "5"
    & skf21("2","5","6","2","6","3","7","1") = "6"
    & skf21("2","5","6","2","6","4","1","1") = "5"
    & skf21("2","5","6","2","6","4","2","1") = "5"
    & skf21("2","5","6","2","6","4","3","1") = "5"
    & skf21("2","5","6","2","6","4","4","1") = "5"
    & skf21("2","5","6","2","6","4","5","1") = "5"
    & skf21("2","5","6","2","6","4","6","1") = "5"
    & skf21("2","5","6","2","6","4","7","1") = "6"
    & skf21("2","5","6","2","6","5","1","1") = "5"
    & skf21("2","5","6","2","6","5","2","1") = "5"
    & skf21("2","5","6","2","6","5","3","1") = "5"
    & skf21("2","5","6","2","6","5","4","1") = "5"
    & skf21("2","5","6","2","6","5","5","1") = "5"
    & skf21("2","5","6","2","6","5","6","1") = "5"
    & skf21("2","5","6","2","6","5","7","1") = "6"
    & skf21("2","5","6","2","6","6","1","1") = "5"
    & skf21("2","5","6","2","6","6","2","1") = "5"
    & skf21("2","5","6","2","6","6","3","1") = "5"
    & skf21("2","5","6","2","6","6","4","1") = "5"
    & skf21("2","5","6","2","6","6","5","1") = "5"
    & skf21("2","5","6","2","6","6","6","1") = "5"
    & skf21("2","5","6","2","6","6","7","1") = "6"
    & skf21("2","5","6","2","6","7","1","1") = "6"
    & skf21("2","5","6","2","6","7","2","1") = "6"
    & skf21("2","5","6","2","6","7","3","1") = "6"
    & skf21("2","5","6","2","6","7","4","1") = "6"
    & skf21("2","5","6","2","6","7","5","1") = "6"
    & skf21("2","5","6","2","6","7","6","1") = "6"
    & skf21("2","5","6","2","6","7","7","1") = "6"
    & skf21("2","5","6","2","7","1","1","1") = "6"
    & skf21("2","5","6","2","7","1","2","1") = "6"
    & skf21("2","5","6","2","7","1","3","1") = "6"
    & skf21("2","5","6","2","7","1","4","1") = "6"
    & skf21("2","5","6","2","7","1","5","1") = "6"
    & skf21("2","5","6","2","7","1","6","1") = "6"
    & skf21("2","5","6","2","7","1","7","1") = "6"
    & skf21("2","5","6","2","7","2","1","1") = "6"
    & skf21("2","5","6","2","7","2","2","1") = "6"
    & skf21("2","5","6","2","7","2","3","1") = "6"
    & skf21("2","5","6","2","7","2","4","1") = "6"
    & skf21("2","5","6","2","7","2","5","1") = "6"
    & skf21("2","5","6","2","7","2","6","1") = "6"
    & skf21("2","5","6","2","7","2","7","1") = "6"
    & skf21("2","5","6","2","7","3","1","1") = "6"
    & skf21("2","5","6","2","7","3","2","1") = "6"
    & skf21("2","5","6","2","7","3","3","1") = "6"
    & skf21("2","5","6","2","7","3","4","1") = "6"
    & skf21("2","5","6","2","7","3","5","1") = "6"
    & skf21("2","5","6","2","7","3","6","1") = "6"
    & skf21("2","5","6","2","7","3","7","1") = "6"
    & skf21("2","5","6","2","7","4","1","1") = "6"
    & skf21("2","5","6","2","7","4","2","1") = "6"
    & skf21("2","5","6","2","7","4","3","1") = "6"
    & skf21("2","5","6","2","7","4","4","1") = "6"
    & skf21("2","5","6","2","7","4","5","1") = "6"
    & skf21("2","5","6","2","7","4","6","1") = "6"
    & skf21("2","5","6","2","7","4","7","1") = "6"
    & skf21("2","5","6","2","7","5","1","1") = "6"
    & skf21("2","5","6","2","7","5","2","1") = "6"
    & skf21("2","5","6","2","7","5","3","1") = "6"
    & skf21("2","5","6","2","7","5","4","1") = "6"
    & skf21("2","5","6","2","7","5","5","1") = "6"
    & skf21("2","5","6","2","7","5","6","1") = "6"
    & skf21("2","5","6","2","7","5","7","1") = "6"
    & skf21("2","5","6","2","7","6","1","1") = "6"
    & skf21("2","5","6","2","7","6","2","1") = "6"
    & skf21("2","5","6","2","7","6","3","1") = "6"
    & skf21("2","5","6","2","7","6","4","1") = "6"
    & skf21("2","5","6","2","7","6","5","1") = "6"
    & skf21("2","5","6","2","7","6","6","1") = "6"
    & skf21("2","5","6","2","7","6","7","1") = "6"
    & skf21("2","5","6","2","7","7","1","1") = "6"
    & skf21("2","5","6","2","7","7","2","1") = "6"
    & skf21("2","5","6","2","7","7","3","1") = "6"
    & skf21("2","5","6","2","7","7","4","1") = "6"
    & skf21("2","5","6","2","7","7","5","1") = "6"
    & skf21("2","5","6","2","7","7","6","1") = "6"
    & skf21("2","5","6","2","7","7","7","1") = "6"
    & skf21("2","5","6","3","1","1","1","1") = "5"
    & skf21("2","5","6","3","1","1","2","1") = "5"
    & skf21("2","5","6","3","1","1","3","1") = "5"
    & skf21("2","5","6","3","1","1","4","1") = "5"
    & skf21("2","5","6","3","1","1","5","1") = "5"
    & skf21("2","5","6","3","1","1","6","1") = "5"
    & skf21("2","5","6","3","1","1","7","1") = "6"
    & skf21("2","5","6","3","1","2","1","1") = "5"
    & skf21("2","5","6","3","1","2","2","1") = "5"
    & skf21("2","5","6","3","1","2","3","1") = "5"
    & skf21("2","5","6","3","1","2","4","1") = "5"
    & skf21("2","5","6","3","1","2","5","1") = "5"
    & skf21("2","5","6","3","1","2","6","1") = "5"
    & skf21("2","5","6","3","1","2","7","1") = "6"
    & skf21("2","5","6","3","1","3","1","1") = "5"
    & skf21("2","5","6","3","1","3","2","1") = "5"
    & skf21("2","5","6","3","1","3","3","1") = "5"
    & skf21("2","5","6","3","1","3","4","1") = "5"
    & skf21("2","5","6","3","1","3","5","1") = "5"
    & skf21("2","5","6","3","1","3","6","1") = "5"
    & skf21("2","5","6","3","1","3","7","1") = "6"
    & skf21("2","5","6","3","1","4","1","1") = "5"
    & skf21("2","5","6","3","1","4","2","1") = "5"
    & skf21("2","5","6","3","1","4","3","1") = "5"
    & skf21("2","5","6","3","1","4","4","1") = "5"
    & skf21("2","5","6","3","1","4","5","1") = "5"
    & skf21("2","5","6","3","1","4","6","1") = "5"
    & skf21("2","5","6","3","1","4","7","1") = "6"
    & skf21("2","5","6","3","1","5","1","1") = "5"
    & skf21("2","5","6","3","1","5","2","1") = "5"
    & skf21("2","5","6","3","1","5","3","1") = "5"
    & skf21("2","5","6","3","1","5","4","1") = "5"
    & skf21("2","5","6","3","1","5","5","1") = "5"
    & skf21("2","5","6","3","1","5","6","1") = "5"
    & skf21("2","5","6","3","1","5","7","1") = "6"
    & skf21("2","5","6","3","1","6","1","1") = "5"
    & skf21("2","5","6","3","1","6","2","1") = "5"
    & skf21("2","5","6","3","1","6","3","1") = "5"
    & skf21("2","5","6","3","1","6","4","1") = "5"
    & skf21("2","5","6","3","1","6","5","1") = "5"
    & skf21("2","5","6","3","1","6","6","1") = "5"
    & skf21("2","5","6","3","1","6","7","1") = "6"
    & skf21("2","5","6","3","1","7","1","1") = "6"
    & skf21("2","5","6","3","1","7","2","1") = "6"
    & skf21("2","5","6","3","1","7","3","1") = "6"
    & skf21("2","5","6","3","1","7","4","1") = "6"
    & skf21("2","5","6","3","1","7","5","1") = "6"
    & skf21("2","5","6","3","1","7","6","1") = "6"
    & skf21("2","5","6","3","1","7","7","1") = "6"
    & skf21("2","5","6","3","2","1","1","1") = "5"
    & skf21("2","5","6","3","2","1","2","1") = "5"
    & skf21("2","5","6","3","2","1","3","1") = "5"
    & skf21("2","5","6","3","2","1","4","1") = "5"
    & skf21("2","5","6","3","2","1","5","1") = "5"
    & skf21("2","5","6","3","2","1","6","1") = "5"
    & skf21("2","5","6","3","2","1","7","1") = "6"
    & skf21("2","5","6","3","2","2","1","1") = "5"
    & skf21("2","5","6","3","2","2","2","1") = "5"
    & skf21("2","5","6","3","2","2","3","1") = "5"
    & skf21("2","5","6","3","2","2","4","1") = "5"
    & skf21("2","5","6","3","2","2","5","1") = "5"
    & skf21("2","5","6","3","2","2","6","1") = "5"
    & skf21("2","5","6","3","2","2","7","1") = "6"
    & skf21("2","5","6","3","2","3","1","1") = "5"
    & skf21("2","5","6","3","2","3","2","1") = "5"
    & skf21("2","5","6","3","2","3","3","1") = "5"
    & skf21("2","5","6","3","2","3","4","1") = "5"
    & skf21("2","5","6","3","2","3","5","1") = "5"
    & skf21("2","5","6","3","2","3","6","1") = "5"
    & skf21("2","5","6","3","2","3","7","1") = "6"
    & skf21("2","5","6","3","2","4","1","1") = "5"
    & skf21("2","5","6","3","2","4","2","1") = "5"
    & skf21("2","5","6","3","2","4","3","1") = "5"
    & skf21("2","5","6","3","2","4","4","1") = "5"
    & skf21("2","5","6","3","2","4","5","1") = "5"
    & skf21("2","5","6","3","2","4","6","1") = "5"
    & skf21("2","5","6","3","2","4","7","1") = "6"
    & skf21("2","5","6","3","2","5","1","1") = "5"
    & skf21("2","5","6","3","2","5","2","1") = "5"
    & skf21("2","5","6","3","2","5","3","1") = "5"
    & skf21("2","5","6","3","2","5","4","1") = "5"
    & skf21("2","5","6","3","2","5","5","1") = "5"
    & skf21("2","5","6","3","2","5","6","1") = "5"
    & skf21("2","5","6","3","2","5","7","1") = "6"
    & skf21("2","5","6","3","2","6","1","1") = "5"
    & skf21("2","5","6","3","2","6","2","1") = "5"
    & skf21("2","5","6","3","2","6","3","1") = "5"
    & skf21("2","5","6","3","2","6","4","1") = "5"
    & skf21("2","5","6","3","2","6","5","1") = "5"
    & skf21("2","5","6","3","2","6","6","1") = "5"
    & skf21("2","5","6","3","2","6","7","1") = "6"
    & skf21("2","5","6","3","2","7","1","1") = "6"
    & skf21("2","5","6","3","2","7","2","1") = "6"
    & skf21("2","5","6","3","2","7","3","1") = "6"
    & skf21("2","5","6","3","2","7","4","1") = "6"
    & skf21("2","5","6","3","2","7","5","1") = "6"
    & skf21("2","5","6","3","2","7","6","1") = "6"
    & skf21("2","5","6","3","2","7","7","1") = "6"
    & skf21("2","5","6","3","3","1","1","1") = "5"
    & skf21("2","5","6","3","3","1","2","1") = "5"
    & skf21("2","5","6","3","3","1","3","1") = "5"
    & skf21("2","5","6","3","3","1","4","1") = "5"
    & skf21("2","5","6","3","3","1","5","1") = "5"
    & skf21("2","5","6","3","3","1","6","1") = "5"
    & skf21("2","5","6","3","3","1","7","1") = "6"
    & skf21("2","5","6","3","3","2","1","1") = "5"
    & skf21("2","5","6","3","3","2","2","1") = "5"
    & skf21("2","5","6","3","3","2","3","1") = "5"
    & skf21("2","5","6","3","3","2","4","1") = "5"
    & skf21("2","5","6","3","3","2","5","1") = "5"
    & skf21("2","5","6","3","3","2","6","1") = "5"
    & skf21("2","5","6","3","3","2","7","1") = "6"
    & skf21("2","5","6","3","3","3","1","1") = "5"
    & skf21("2","5","6","3","3","3","2","1") = "5"
    & skf21("2","5","6","3","3","3","3","1") = "5"
    & skf21("2","5","6","3","3","3","4","1") = "5"
    & skf21("2","5","6","3","3","3","5","1") = "5"
    & skf21("2","5","6","3","3","3","6","1") = "5"
    & skf21("2","5","6","3","3","3","7","1") = "6"
    & skf21("2","5","6","3","3","4","1","1") = "5"
    & skf21("2","5","6","3","3","4","2","1") = "5"
    & skf21("2","5","6","3","3","4","3","1") = "5"
    & skf21("2","5","6","3","3","4","4","1") = "5"
    & skf21("2","5","6","3","3","4","5","1") = "5"
    & skf21("2","5","6","3","3","4","6","1") = "5"
    & skf21("2","5","6","3","3","4","7","1") = "6"
    & skf21("2","5","6","3","3","5","1","1") = "5"
    & skf21("2","5","6","3","3","5","2","1") = "5"
    & skf21("2","5","6","3","3","5","3","1") = "5"
    & skf21("2","5","6","3","3","5","4","1") = "5"
    & skf21("2","5","6","3","3","5","5","1") = "5"
    & skf21("2","5","6","3","3","5","6","1") = "5"
    & skf21("2","5","6","3","3","5","7","1") = "6"
    & skf21("2","5","6","3","3","6","1","1") = "5"
    & skf21("2","5","6","3","3","6","2","1") = "5"
    & skf21("2","5","6","3","3","6","3","1") = "5"
    & skf21("2","5","6","3","3","6","4","1") = "5"
    & skf21("2","5","6","3","3","6","5","1") = "5"
    & skf21("2","5","6","3","3","6","6","1") = "5"
    & skf21("2","5","6","3","3","6","7","1") = "6"
    & skf21("2","5","6","3","3","7","1","1") = "6"
    & skf21("2","5","6","3","3","7","2","1") = "6"
    & skf21("2","5","6","3","3","7","3","1") = "6"
    & skf21("2","5","6","3","3","7","4","1") = "6"
    & skf21("2","5","6","3","3","7","5","1") = "6"
    & skf21("2","5","6","3","3","7","6","1") = "6"
    & skf21("2","5","6","3","3","7","7","1") = "6"
    & skf21("2","5","6","3","4","1","1","1") = "5"
    & skf21("2","5","6","3","4","1","2","1") = "5"
    & skf21("2","5","6","3","4","1","3","1") = "5"
    & skf21("2","5","6","3","4","1","4","1") = "5"
    & skf21("2","5","6","3","4","1","5","1") = "5"
    & skf21("2","5","6","3","4","1","6","1") = "5"
    & skf21("2","5","6","3","4","1","7","1") = "6"
    & skf21("2","5","6","3","4","2","1","1") = "5"
    & skf21("2","5","6","3","4","2","2","1") = "5"
    & skf21("2","5","6","3","4","2","3","1") = "5"
    & skf21("2","5","6","3","4","2","4","1") = "5"
    & skf21("2","5","6","3","4","2","5","1") = "5"
    & skf21("2","5","6","3","4","2","6","1") = "5"
    & skf21("2","5","6","3","4","2","7","1") = "6"
    & skf21("2","5","6","3","4","3","1","1") = "5"
    & skf21("2","5","6","3","4","3","2","1") = "5"
    & skf21("2","5","6","3","4","3","3","1") = "5"
    & skf21("2","5","6","3","4","3","4","1") = "5"
    & skf21("2","5","6","3","4","3","5","1") = "5"
    & skf21("2","5","6","3","4","3","6","1") = "5"
    & skf21("2","5","6","3","4","3","7","1") = "6"
    & skf21("2","5","6","3","4","4","1","1") = "5"
    & skf21("2","5","6","3","4","4","2","1") = "5"
    & skf21("2","5","6","3","4","4","3","1") = "5"
    & skf21("2","5","6","3","4","4","4","1") = "5"
    & skf21("2","5","6","3","4","4","5","1") = "5"
    & skf21("2","5","6","3","4","4","6","1") = "5"
    & skf21("2","5","6","3","4","4","7","1") = "6"
    & skf21("2","5","6","3","4","5","1","1") = "5"
    & skf21("2","5","6","3","4","5","2","1") = "5"
    & skf21("2","5","6","3","4","5","3","1") = "5"
    & skf21("2","5","6","3","4","5","4","1") = "5"
    & skf21("2","5","6","3","4","5","5","1") = "5"
    & skf21("2","5","6","3","4","5","6","1") = "5"
    & skf21("2","5","6","3","4","5","7","1") = "6"
    & skf21("2","5","6","3","4","6","1","1") = "5"
    & skf21("2","5","6","3","4","6","2","1") = "5"
    & skf21("2","5","6","3","4","6","3","1") = "5"
    & skf21("2","5","6","3","4","6","4","1") = "5"
    & skf21("2","5","6","3","4","6","5","1") = "5"
    & skf21("2","5","6","3","4","6","6","1") = "5"
    & skf21("2","5","6","3","4","6","7","1") = "6"
    & skf21("2","5","6","3","4","7","1","1") = "6"
    & skf21("2","5","6","3","4","7","2","1") = "6"
    & skf21("2","5","6","3","4","7","3","1") = "6"
    & skf21("2","5","6","3","4","7","4","1") = "6"
    & skf21("2","5","6","3","4","7","5","1") = "6"
    & skf21("2","5","6","3","4","7","6","1") = "6"
    & skf21("2","5","6","3","4","7","7","1") = "6"
    & skf21("2","5","6","3","5","1","1","1") = "5"
    & skf21("2","5","6","3","5","1","2","1") = "5"
    & skf21("2","5","6","3","5","1","3","1") = "5"
    & skf21("2","5","6","3","5","1","4","1") = "5"
    & skf21("2","5","6","3","5","1","5","1") = "5"
    & skf21("2","5","6","3","5","1","6","1") = "5"
    & skf21("2","5","6","3","5","1","7","1") = "6"
    & skf21("2","5","6","3","5","2","1","1") = "5"
    & skf21("2","5","6","3","5","2","2","1") = "5"
    & skf21("2","5","6","3","5","2","3","1") = "5"
    & skf21("2","5","6","3","5","2","4","1") = "5"
    & skf21("2","5","6","3","5","2","5","1") = "5"
    & skf21("2","5","6","3","5","2","6","1") = "5"
    & skf21("2","5","6","3","5","2","7","1") = "6"
    & skf21("2","5","6","3","5","3","1","1") = "5"
    & skf21("2","5","6","3","5","3","2","1") = "5"
    & skf21("2","5","6","3","5","3","3","1") = "5"
    & skf21("2","5","6","3","5","3","4","1") = "5"
    & skf21("2","5","6","3","5","3","5","1") = "5"
    & skf21("2","5","6","3","5","3","6","1") = "5"
    & skf21("2","5","6","3","5","3","7","1") = "6"
    & skf21("2","5","6","3","5","4","1","1") = "5"
    & skf21("2","5","6","3","5","4","2","1") = "5"
    & skf21("2","5","6","3","5","4","3","1") = "5"
    & skf21("2","5","6","3","5","4","4","1") = "5"
    & skf21("2","5","6","3","5","4","5","1") = "5"
    & skf21("2","5","6","3","5","4","6","1") = "5"
    & skf21("2","5","6","3","5","4","7","1") = "6"
    & skf21("2","5","6","3","5","5","1","1") = "5"
    & skf21("2","5","6","3","5","5","2","1") = "5"
    & skf21("2","5","6","3","5","5","3","1") = "5"
    & skf21("2","5","6","3","5","5","4","1") = "5"
    & skf21("2","5","6","3","5","5","5","1") = "5"
    & skf21("2","5","6","3","5","5","6","1") = "5"
    & skf21("2","5","6","3","5","5","7","1") = "6"
    & skf21("2","5","6","3","5","6","1","1") = "5"
    & skf21("2","5","6","3","5","6","2","1") = "5"
    & skf21("2","5","6","3","5","6","3","1") = "5"
    & skf21("2","5","6","3","5","6","4","1") = "5"
    & skf21("2","5","6","3","5","6","5","1") = "5"
    & skf21("2","5","6","3","5","6","6","1") = "5"
    & skf21("2","5","6","3","5","6","7","1") = "6"
    & skf21("2","5","6","3","5","7","1","1") = "6"
    & skf21("2","5","6","3","5","7","2","1") = "6"
    & skf21("2","5","6","3","5","7","3","1") = "6"
    & skf21("2","5","6","3","5","7","4","1") = "6"
    & skf21("2","5","6","3","5","7","5","1") = "6"
    & skf21("2","5","6","3","5","7","6","1") = "6"
    & skf21("2","5","6","3","5","7","7","1") = "6"
    & skf21("2","5","6","3","6","1","1","1") = "5"
    & skf21("2","5","6","3","6","1","2","1") = "5"
    & skf21("2","5","6","3","6","1","3","1") = "5"
    & skf21("2","5","6","3","6","1","4","1") = "5"
    & skf21("2","5","6","3","6","1","5","1") = "5"
    & skf21("2","5","6","3","6","1","6","1") = "5"
    & skf21("2","5","6","3","6","1","7","1") = "6"
    & skf21("2","5","6","3","6","2","1","1") = "5"
    & skf21("2","5","6","3","6","2","2","1") = "5"
    & skf21("2","5","6","3","6","2","3","1") = "5"
    & skf21("2","5","6","3","6","2","4","1") = "5"
    & skf21("2","5","6","3","6","2","5","1") = "5"
    & skf21("2","5","6","3","6","2","6","1") = "5"
    & skf21("2","5","6","3","6","2","7","1") = "6"
    & skf21("2","5","6","3","6","3","1","1") = "5"
    & skf21("2","5","6","3","6","3","2","1") = "5"
    & skf21("2","5","6","3","6","3","3","1") = "5"
    & skf21("2","5","6","3","6","3","4","1") = "5"
    & skf21("2","5","6","3","6","3","5","1") = "5"
    & skf21("2","5","6","3","6","3","6","1") = "5"
    & skf21("2","5","6","3","6","3","7","1") = "6"
    & skf21("2","5","6","3","6","4","1","1") = "5"
    & skf21("2","5","6","3","6","4","2","1") = "5"
    & skf21("2","5","6","3","6","4","3","1") = "5"
    & skf21("2","5","6","3","6","4","4","1") = "5"
    & skf21("2","5","6","3","6","4","5","1") = "5"
    & skf21("2","5","6","3","6","4","6","1") = "5"
    & skf21("2","5","6","3","6","4","7","1") = "6"
    & skf21("2","5","6","3","6","5","1","1") = "5"
    & skf21("2","5","6","3","6","5","2","1") = "5"
    & skf21("2","5","6","3","6","5","3","1") = "5"
    & skf21("2","5","6","3","6","5","4","1") = "5"
    & skf21("2","5","6","3","6","5","5","1") = "5"
    & skf21("2","5","6","3","6","5","6","1") = "5"
    & skf21("2","5","6","3","6","5","7","1") = "6"
    & skf21("2","5","6","3","6","6","1","1") = "5"
    & skf21("2","5","6","3","6","6","2","1") = "5"
    & skf21("2","5","6","3","6","6","3","1") = "5"
    & skf21("2","5","6","3","6","6","4","1") = "5"
    & skf21("2","5","6","3","6","6","5","1") = "5"
    & skf21("2","5","6","3","6","6","6","1") = "5"
    & skf21("2","5","6","3","6","6","7","1") = "6"
    & skf21("2","5","6","3","6","7","1","1") = "6"
    & skf21("2","5","6","3","6","7","2","1") = "6"
    & skf21("2","5","6","3","6","7","3","1") = "6"
    & skf21("2","5","6","3","6","7","4","1") = "6"
    & skf21("2","5","6","3","6","7","5","1") = "6"
    & skf21("2","5","6","3","6","7","6","1") = "6"
    & skf21("2","5","6","3","6","7","7","1") = "6"
    & skf21("2","5","6","3","7","1","1","1") = "6"
    & skf21("2","5","6","3","7","1","2","1") = "6"
    & skf21("2","5","6","3","7","1","3","1") = "6"
    & skf21("2","5","6","3","7","1","4","1") = "6"
    & skf21("2","5","6","3","7","1","5","1") = "6"
    & skf21("2","5","6","3","7","1","6","1") = "6"
    & skf21("2","5","6","3","7","1","7","1") = "6"
    & skf21("2","5","6","3","7","2","1","1") = "6"
    & skf21("2","5","6","3","7","2","2","1") = "6"
    & skf21("2","5","6","3","7","2","3","1") = "6"
    & skf21("2","5","6","3","7","2","4","1") = "6"
    & skf21("2","5","6","3","7","2","5","1") = "6"
    & skf21("2","5","6","3","7","2","6","1") = "6"
    & skf21("2","5","6","3","7","2","7","1") = "6"
    & skf21("2","5","6","3","7","3","1","1") = "6"
    & skf21("2","5","6","3","7","3","2","1") = "6"
    & skf21("2","5","6","3","7","3","3","1") = "6"
    & skf21("2","5","6","3","7","3","4","1") = "6"
    & skf21("2","5","6","3","7","3","5","1") = "6"
    & skf21("2","5","6","3","7","3","6","1") = "6"
    & skf21("2","5","6","3","7","3","7","1") = "6"
    & skf21("2","5","6","3","7","4","1","1") = "6"
    & skf21("2","5","6","3","7","4","2","1") = "6"
    & skf21("2","5","6","3","7","4","3","1") = "6"
    & skf21("2","5","6","3","7","4","4","1") = "6"
    & skf21("2","5","6","3","7","4","5","1") = "6"
    & skf21("2","5","6","3","7","4","6","1") = "6"
    & skf21("2","5","6","3","7","4","7","1") = "6"
    & skf21("2","5","6","3","7","5","1","1") = "6"
    & skf21("2","5","6","3","7","5","2","1") = "6"
    & skf21("2","5","6","3","7","5","3","1") = "6"
    & skf21("2","5","6","3","7","5","4","1") = "6"
    & skf21("2","5","6","3","7","5","5","1") = "6"
    & skf21("2","5","6","3","7","5","6","1") = "6"
    & skf21("2","5","6","3","7","5","7","1") = "6"
    & skf21("2","5","6","3","7","6","1","1") = "6"
    & skf21("2","5","6","3","7","6","2","1") = "6"
    & skf21("2","5","6","3","7","6","3","1") = "6"
    & skf21("2","5","6","3","7","6","4","1") = "6"
    & skf21("2","5","6","3","7","6","5","1") = "6"
    & skf21("2","5","6","3","7","6","6","1") = "6"
    & skf21("2","5","6","3","7","6","7","1") = "6"
    & skf21("2","5","6","3","7","7","1","1") = "6"
    & skf21("2","5","6","3","7","7","2","1") = "6"
    & skf21("2","5","6","3","7","7","3","1") = "6"
    & skf21("2","5","6","3","7","7","4","1") = "6"
    & skf21("2","5","6","3","7","7","5","1") = "6"
    & skf21("2","5","6","3","7","7","6","1") = "6"
    & skf21("2","5","6","3","7","7","7","1") = "6"
    & skf21("2","5","6","4","1","1","1","1") = "5"
    & skf21("2","5","6","4","1","1","2","1") = "5"
    & skf21("2","5","6","4","1","1","3","1") = "5"
    & skf21("2","5","6","4","1","1","4","1") = "5"
    & skf21("2","5","6","4","1","1","5","1") = "5"
    & skf21("2","5","6","4","1","1","6","1") = "5"
    & skf21("2","5","6","4","1","1","7","1") = "6"
    & skf21("2","5","6","4","1","2","1","1") = "5"
    & skf21("2","5","6","4","1","2","2","1") = "5"
    & skf21("2","5","6","4","1","2","3","1") = "5"
    & skf21("2","5","6","4","1","2","4","1") = "5"
    & skf21("2","5","6","4","1","2","5","1") = "5"
    & skf21("2","5","6","4","1","2","6","1") = "5"
    & skf21("2","5","6","4","1","2","7","1") = "6"
    & skf21("2","5","6","4","1","3","1","1") = "5"
    & skf21("2","5","6","4","1","3","2","1") = "5"
    & skf21("2","5","6","4","1","3","3","1") = "5"
    & skf21("2","5","6","4","1","3","4","1") = "5"
    & skf21("2","5","6","4","1","3","5","1") = "5"
    & skf21("2","5","6","4","1","3","6","1") = "5"
    & skf21("2","5","6","4","1","3","7","1") = "6"
    & skf21("2","5","6","4","1","4","1","1") = "5"
    & skf21("2","5","6","4","1","4","2","1") = "5"
    & skf21("2","5","6","4","1","4","3","1") = "5"
    & skf21("2","5","6","4","1","4","4","1") = "5"
    & skf21("2","5","6","4","1","4","5","1") = "5"
    & skf21("2","5","6","4","1","4","6","1") = "5"
    & skf21("2","5","6","4","1","4","7","1") = "6"
    & skf21("2","5","6","4","1","5","1","1") = "5"
    & skf21("2","5","6","4","1","5","2","1") = "5"
    & skf21("2","5","6","4","1","5","3","1") = "5"
    & skf21("2","5","6","4","1","5","4","1") = "5"
    & skf21("2","5","6","4","1","5","5","1") = "5"
    & skf21("2","5","6","4","1","5","6","1") = "5"
    & skf21("2","5","6","4","1","5","7","1") = "6"
    & skf21("2","5","6","4","1","6","1","1") = "5"
    & skf21("2","5","6","4","1","6","2","1") = "5"
    & skf21("2","5","6","4","1","6","3","1") = "5"
    & skf21("2","5","6","4","1","6","4","1") = "5"
    & skf21("2","5","6","4","1","6","5","1") = "5"
    & skf21("2","5","6","4","1","6","6","1") = "5"
    & skf21("2","5","6","4","1","6","7","1") = "6"
    & skf21("2","5","6","4","1","7","1","1") = "6"
    & skf21("2","5","6","4","1","7","2","1") = "6"
    & skf21("2","5","6","4","1","7","3","1") = "6"
    & skf21("2","5","6","4","1","7","4","1") = "6"
    & skf21("2","5","6","4","1","7","5","1") = "6"
    & skf21("2","5","6","4","1","7","6","1") = "6"
    & skf21("2","5","6","4","1","7","7","1") = "6"
    & skf21("2","5","6","4","2","1","1","1") = "5"
    & skf21("2","5","6","4","2","1","2","1") = "5"
    & skf21("2","5","6","4","2","1","3","1") = "5"
    & skf21("2","5","6","4","2","1","4","1") = "5"
    & skf21("2","5","6","4","2","1","5","1") = "5"
    & skf21("2","5","6","4","2","1","6","1") = "5"
    & skf21("2","5","6","4","2","1","7","1") = "6"
    & skf21("2","5","6","4","2","2","1","1") = "5"
    & skf21("2","5","6","4","2","2","2","1") = "5"
    & skf21("2","5","6","4","2","2","3","1") = "5"
    & skf21("2","5","6","4","2","2","4","1") = "5"
    & skf21("2","5","6","4","2","2","5","1") = "5"
    & skf21("2","5","6","4","2","2","6","1") = "5"
    & skf21("2","5","6","4","2","2","7","1") = "6"
    & skf21("2","5","6","4","2","3","1","1") = "5"
    & skf21("2","5","6","4","2","3","2","1") = "5"
    & skf21("2","5","6","4","2","3","3","1") = "5"
    & skf21("2","5","6","4","2","3","4","1") = "5"
    & skf21("2","5","6","4","2","3","5","1") = "5"
    & skf21("2","5","6","4","2","3","6","1") = "5"
    & skf21("2","5","6","4","2","3","7","1") = "6"
    & skf21("2","5","6","4","2","4","1","1") = "5"
    & skf21("2","5","6","4","2","4","2","1") = "5"
    & skf21("2","5","6","4","2","4","3","1") = "5"
    & skf21("2","5","6","4","2","4","4","1") = "5"
    & skf21("2","5","6","4","2","4","5","1") = "5"
    & skf21("2","5","6","4","2","4","6","1") = "5"
    & skf21("2","5","6","4","2","4","7","1") = "6"
    & skf21("2","5","6","4","2","5","1","1") = "5"
    & skf21("2","5","6","4","2","5","2","1") = "5"
    & skf21("2","5","6","4","2","5","3","1") = "5"
    & skf21("2","5","6","4","2","5","4","1") = "5"
    & skf21("2","5","6","4","2","5","5","1") = "5"
    & skf21("2","5","6","4","2","5","6","1") = "5"
    & skf21("2","5","6","4","2","5","7","1") = "6"
    & skf21("2","5","6","4","2","6","1","1") = "5"
    & skf21("2","5","6","4","2","6","2","1") = "5"
    & skf21("2","5","6","4","2","6","3","1") = "5"
    & skf21("2","5","6","4","2","6","4","1") = "5"
    & skf21("2","5","6","4","2","6","5","1") = "5"
    & skf21("2","5","6","4","2","6","6","1") = "5"
    & skf21("2","5","6","4","2","6","7","1") = "6"
    & skf21("2","5","6","4","2","7","1","1") = "6"
    & skf21("2","5","6","4","2","7","2","1") = "6"
    & skf21("2","5","6","4","2","7","3","1") = "6"
    & skf21("2","5","6","4","2","7","4","1") = "6"
    & skf21("2","5","6","4","2","7","5","1") = "6"
    & skf21("2","5","6","4","2","7","6","1") = "6"
    & skf21("2","5","6","4","2","7","7","1") = "6"
    & skf21("2","5","6","4","3","1","1","1") = "5"
    & skf21("2","5","6","4","3","1","2","1") = "5"
    & skf21("2","5","6","4","3","1","3","1") = "5"
    & skf21("2","5","6","4","3","1","4","1") = "5"
    & skf21("2","5","6","4","3","1","5","1") = "5"
    & skf21("2","5","6","4","3","1","6","1") = "5"
    & skf21("2","5","6","4","3","1","7","1") = "6"
    & skf21("2","5","6","4","3","2","1","1") = "5"
    & skf21("2","5","6","4","3","2","2","1") = "5"
    & skf21("2","5","6","4","3","2","3","1") = "5"
    & skf21("2","5","6","4","3","2","4","1") = "5"
    & skf21("2","5","6","4","3","2","5","1") = "5"
    & skf21("2","5","6","4","3","2","6","1") = "5"
    & skf21("2","5","6","4","3","2","7","1") = "6"
    & skf21("2","5","6","4","3","3","1","1") = "5"
    & skf21("2","5","6","4","3","3","2","1") = "5"
    & skf21("2","5","6","4","3","3","3","1") = "5"
    & skf21("2","5","6","4","3","3","4","1") = "5"
    & skf21("2","5","6","4","3","3","5","1") = "5"
    & skf21("2","5","6","4","3","3","6","1") = "5"
    & skf21("2","5","6","4","3","3","7","1") = "6"
    & skf21("2","5","6","4","3","4","1","1") = "5"
    & skf21("2","5","6","4","3","4","2","1") = "5"
    & skf21("2","5","6","4","3","4","3","1") = "5"
    & skf21("2","5","6","4","3","4","4","1") = "5"
    & skf21("2","5","6","4","3","4","5","1") = "5"
    & skf21("2","5","6","4","3","4","6","1") = "5"
    & skf21("2","5","6","4","3","4","7","1") = "6"
    & skf21("2","5","6","4","3","5","1","1") = "5"
    & skf21("2","5","6","4","3","5","2","1") = "5"
    & skf21("2","5","6","4","3","5","3","1") = "5"
    & skf21("2","5","6","4","3","5","4","1") = "5"
    & skf21("2","5","6","4","3","5","5","1") = "5"
    & skf21("2","5","6","4","3","5","6","1") = "5"
    & skf21("2","5","6","4","3","5","7","1") = "6"
    & skf21("2","5","6","4","3","6","1","1") = "5"
    & skf21("2","5","6","4","3","6","2","1") = "5"
    & skf21("2","5","6","4","3","6","3","1") = "5"
    & skf21("2","5","6","4","3","6","4","1") = "5"
    & skf21("2","5","6","4","3","6","5","1") = "5"
    & skf21("2","5","6","4","3","6","6","1") = "5"
    & skf21("2","5","6","4","3","6","7","1") = "6"
    & skf21("2","5","6","4","3","7","1","1") = "6"
    & skf21("2","5","6","4","3","7","2","1") = "6"
    & skf21("2","5","6","4","3","7","3","1") = "6"
    & skf21("2","5","6","4","3","7","4","1") = "6"
    & skf21("2","5","6","4","3","7","5","1") = "6"
    & skf21("2","5","6","4","3","7","6","1") = "6"
    & skf21("2","5","6","4","3","7","7","1") = "6"
    & skf21("2","5","6","4","4","1","1","1") = "5"
    & skf21("2","5","6","4","4","1","2","1") = "5"
    & skf21("2","5","6","4","4","1","3","1") = "5"
    & skf21("2","5","6","4","4","1","4","1") = "5"
    & skf21("2","5","6","4","4","1","5","1") = "5"
    & skf21("2","5","6","4","4","1","6","1") = "5"
    & skf21("2","5","6","4","4","1","7","1") = "6"
    & skf21("2","5","6","4","4","2","1","1") = "5"
    & skf21("2","5","6","4","4","2","2","1") = "5"
    & skf21("2","5","6","4","4","2","3","1") = "5"
    & skf21("2","5","6","4","4","2","4","1") = "5"
    & skf21("2","5","6","4","4","2","5","1") = "5"
    & skf21("2","5","6","4","4","2","6","1") = "5"
    & skf21("2","5","6","4","4","2","7","1") = "6"
    & skf21("2","5","6","4","4","3","1","1") = "5"
    & skf21("2","5","6","4","4","3","2","1") = "5"
    & skf21("2","5","6","4","4","3","3","1") = "5"
    & skf21("2","5","6","4","4","3","4","1") = "5"
    & skf21("2","5","6","4","4","3","5","1") = "5"
    & skf21("2","5","6","4","4","3","6","1") = "5"
    & skf21("2","5","6","4","4","3","7","1") = "6"
    & skf21("2","5","6","4","4","4","1","1") = "5"
    & skf21("2","5","6","4","4","4","2","1") = "5"
    & skf21("2","5","6","4","4","4","3","1") = "5"
    & skf21("2","5","6","4","4","4","4","1") = "5"
    & skf21("2","5","6","4","4","4","5","1") = "5"
    & skf21("2","5","6","4","4","4","6","1") = "5"
    & skf21("2","5","6","4","4","4","7","1") = "6"
    & skf21("2","5","6","4","4","5","1","1") = "5"
    & skf21("2","5","6","4","4","5","2","1") = "5"
    & skf21("2","5","6","4","4","5","3","1") = "5"
    & skf21("2","5","6","4","4","5","4","1") = "5"
    & skf21("2","5","6","4","4","5","5","1") = "5"
    & skf21("2","5","6","4","4","5","6","1") = "5"
    & skf21("2","5","6","4","4","5","7","1") = "6"
    & skf21("2","5","6","4","4","6","1","1") = "5"
    & skf21("2","5","6","4","4","6","2","1") = "5"
    & skf21("2","5","6","4","4","6","3","1") = "5"
    & skf21("2","5","6","4","4","6","4","1") = "5"
    & skf21("2","5","6","4","4","6","5","1") = "5"
    & skf21("2","5","6","4","4","6","6","1") = "5"
    & skf21("2","5","6","4","4","6","7","1") = "6"
    & skf21("2","5","6","4","4","7","1","1") = "6"
    & skf21("2","5","6","4","4","7","2","1") = "6"
    & skf21("2","5","6","4","4","7","3","1") = "6"
    & skf21("2","5","6","4","4","7","4","1") = "6"
    & skf21("2","5","6","4","4","7","5","1") = "6"
    & skf21("2","5","6","4","4","7","6","1") = "6"
    & skf21("2","5","6","4","4","7","7","1") = "6"
    & skf21("2","5","6","4","5","1","1","1") = "5"
    & skf21("2","5","6","4","5","1","2","1") = "5"
    & skf21("2","5","6","4","5","1","3","1") = "5"
    & skf21("2","5","6","4","5","1","4","1") = "5"
    & skf21("2","5","6","4","5","1","5","1") = "5"
    & skf21("2","5","6","4","5","1","6","1") = "5"
    & skf21("2","5","6","4","5","1","7","1") = "6"
    & skf21("2","5","6","4","5","2","1","1") = "5"
    & skf21("2","5","6","4","5","2","2","1") = "5"
    & skf21("2","5","6","4","5","2","3","1") = "5"
    & skf21("2","5","6","4","5","2","4","1") = "5"
    & skf21("2","5","6","4","5","2","5","1") = "5"
    & skf21("2","5","6","4","5","2","6","1") = "5"
    & skf21("2","5","6","4","5","2","7","1") = "6"
    & skf21("2","5","6","4","5","3","1","1") = "5"
    & skf21("2","5","6","4","5","3","2","1") = "5"
    & skf21("2","5","6","4","5","3","3","1") = "5"
    & skf21("2","5","6","4","5","3","4","1") = "5"
    & skf21("2","5","6","4","5","3","5","1") = "5"
    & skf21("2","5","6","4","5","3","6","1") = "5"
    & skf21("2","5","6","4","5","3","7","1") = "6"
    & skf21("2","5","6","4","5","4","1","1") = "5"
    & skf21("2","5","6","4","5","4","2","1") = "5"
    & skf21("2","5","6","4","5","4","3","1") = "5"
    & skf21("2","5","6","4","5","4","4","1") = "5"
    & skf21("2","5","6","4","5","4","5","1") = "5"
    & skf21("2","5","6","4","5","4","6","1") = "5"
    & skf21("2","5","6","4","5","4","7","1") = "6"
    & skf21("2","5","6","4","5","5","1","1") = "5"
    & skf21("2","5","6","4","5","5","2","1") = "5"
    & skf21("2","5","6","4","5","5","3","1") = "5"
    & skf21("2","5","6","4","5","5","4","1") = "5"
    & skf21("2","5","6","4","5","5","5","1") = "5"
    & skf21("2","5","6","4","5","5","6","1") = "5"
    & skf21("2","5","6","4","5","5","7","1") = "6"
    & skf21("2","5","6","4","5","6","1","1") = "5"
    & skf21("2","5","6","4","5","6","2","1") = "5"
    & skf21("2","5","6","4","5","6","3","1") = "5"
    & skf21("2","5","6","4","5","6","4","1") = "5"
    & skf21("2","5","6","4","5","6","5","1") = "5"
    & skf21("2","5","6","4","5","6","6","1") = "5"
    & skf21("2","5","6","4","5","6","7","1") = "6"
    & skf21("2","5","6","4","5","7","1","1") = "6"
    & skf21("2","5","6","4","5","7","2","1") = "6"
    & skf21("2","5","6","4","5","7","3","1") = "6"
    & skf21("2","5","6","4","5","7","4","1") = "6"
    & skf21("2","5","6","4","5","7","5","1") = "6"
    & skf21("2","5","6","4","5","7","6","1") = "6"
    & skf21("2","5","6","4","5","7","7","1") = "6"
    & skf21("2","5","6","4","6","1","1","1") = "5"
    & skf21("2","5","6","4","6","1","2","1") = "5"
    & skf21("2","5","6","4","6","1","3","1") = "5"
    & skf21("2","5","6","4","6","1","4","1") = "5"
    & skf21("2","5","6","4","6","1","5","1") = "5"
    & skf21("2","5","6","4","6","1","6","1") = "5"
    & skf21("2","5","6","4","6","1","7","1") = "6"
    & skf21("2","5","6","4","6","2","1","1") = "5"
    & skf21("2","5","6","4","6","2","2","1") = "5"
    & skf21("2","5","6","4","6","2","3","1") = "5"
    & skf21("2","5","6","4","6","2","4","1") = "5"
    & skf21("2","5","6","4","6","2","5","1") = "5"
    & skf21("2","5","6","4","6","2","6","1") = "5"
    & skf21("2","5","6","4","6","2","7","1") = "6"
    & skf21("2","5","6","4","6","3","1","1") = "5"
    & skf21("2","5","6","4","6","3","2","1") = "5"
    & skf21("2","5","6","4","6","3","3","1") = "5"
    & skf21("2","5","6","4","6","3","4","1") = "5"
    & skf21("2","5","6","4","6","3","5","1") = "5"
    & skf21("2","5","6","4","6","3","6","1") = "5"
    & skf21("2","5","6","4","6","3","7","1") = "6"
    & skf21("2","5","6","4","6","4","1","1") = "5"
    & skf21("2","5","6","4","6","4","2","1") = "5"
    & skf21("2","5","6","4","6","4","3","1") = "5"
    & skf21("2","5","6","4","6","4","4","1") = "5"
    & skf21("2","5","6","4","6","4","5","1") = "5"
    & skf21("2","5","6","4","6","4","6","1") = "5"
    & skf21("2","5","6","4","6","4","7","1") = "6"
    & skf21("2","5","6","4","6","5","1","1") = "5"
    & skf21("2","5","6","4","6","5","2","1") = "5"
    & skf21("2","5","6","4","6","5","3","1") = "5"
    & skf21("2","5","6","4","6","5","4","1") = "5"
    & skf21("2","5","6","4","6","5","5","1") = "5"
    & skf21("2","5","6","4","6","5","6","1") = "5"
    & skf21("2","5","6","4","6","5","7","1") = "6"
    & skf21("2","5","6","4","6","6","1","1") = "5"
    & skf21("2","5","6","4","6","6","2","1") = "5"
    & skf21("2","5","6","4","6","6","3","1") = "5"
    & skf21("2","5","6","4","6","6","4","1") = "5"
    & skf21("2","5","6","4","6","6","5","1") = "5"
    & skf21("2","5","6","4","6","6","6","1") = "5"
    & skf21("2","5","6","4","6","6","7","1") = "6"
    & skf21("2","5","6","4","6","7","1","1") = "6"
    & skf21("2","5","6","4","6","7","2","1") = "6"
    & skf21("2","5","6","4","6","7","3","1") = "6"
    & skf21("2","5","6","4","6","7","4","1") = "6"
    & skf21("2","5","6","4","6","7","5","1") = "6"
    & skf21("2","5","6","4","6","7","6","1") = "6"
    & skf21("2","5","6","4","6","7","7","1") = "6"
    & skf21("2","5","6","4","7","1","1","1") = "6"
    & skf21("2","5","6","4","7","1","2","1") = "6"
    & skf21("2","5","6","4","7","1","3","1") = "6"
    & skf21("2","5","6","4","7","1","4","1") = "6"
    & skf21("2","5","6","4","7","1","5","1") = "6"
    & skf21("2","5","6","4","7","1","6","1") = "6"
    & skf21("2","5","6","4","7","1","7","1") = "6"
    & skf21("2","5","6","4","7","2","1","1") = "6"
    & skf21("2","5","6","4","7","2","2","1") = "6"
    & skf21("2","5","6","4","7","2","3","1") = "6"
    & skf21("2","5","6","4","7","2","4","1") = "6"
    & skf21("2","5","6","4","7","2","5","1") = "6"
    & skf21("2","5","6","4","7","2","6","1") = "6"
    & skf21("2","5","6","4","7","2","7","1") = "6"
    & skf21("2","5","6","4","7","3","1","1") = "6"
    & skf21("2","5","6","4","7","3","2","1") = "6"
    & skf21("2","5","6","4","7","3","3","1") = "6"
    & skf21("2","5","6","4","7","3","4","1") = "6"
    & skf21("2","5","6","4","7","3","5","1") = "6"
    & skf21("2","5","6","4","7","3","6","1") = "6"
    & skf21("2","5","6","4","7","3","7","1") = "6"
    & skf21("2","5","6","4","7","4","1","1") = "6"
    & skf21("2","5","6","4","7","4","2","1") = "6"
    & skf21("2","5","6","4","7","4","3","1") = "6"
    & skf21("2","5","6","4","7","4","4","1") = "6"
    & skf21("2","5","6","4","7","4","5","1") = "6"
    & skf21("2","5","6","4","7","4","6","1") = "6"
    & skf21("2","5","6","4","7","4","7","1") = "6"
    & skf21("2","5","6","4","7","5","1","1") = "6"
    & skf21("2","5","6","4","7","5","2","1") = "6"
    & skf21("2","5","6","4","7","5","3","1") = "6"
    & skf21("2","5","6","4","7","5","4","1") = "6"
    & skf21("2","5","6","4","7","5","5","1") = "6"
    & skf21("2","5","6","4","7","5","6","1") = "6"
    & skf21("2","5","6","4","7","5","7","1") = "6"
    & skf21("2","5","6","4","7","6","1","1") = "6"
    & skf21("2","5","6","4","7","6","2","1") = "6"
    & skf21("2","5","6","4","7","6","3","1") = "6"
    & skf21("2","5","6","4","7","6","4","1") = "6"
    & skf21("2","5","6","4","7","6","5","1") = "6"
    & skf21("2","5","6","4","7","6","6","1") = "6"
    & skf21("2","5","6","4","7","6","7","1") = "6"
    & skf21("2","5","6","4","7","7","1","1") = "6"
    & skf21("2","5","6","4","7","7","2","1") = "6"
    & skf21("2","5","6","4","7","7","3","1") = "6"
    & skf21("2","5","6","4","7","7","4","1") = "6"
    & skf21("2","5","6","4","7","7","5","1") = "6"
    & skf21("2","5","6","4","7","7","6","1") = "6"
    & skf21("2","5","6","4","7","7","7","1") = "6"
    & skf21("2","5","6","5","1","1","1","1") = "5"
    & skf21("2","5","6","5","1","1","2","1") = "5"
    & skf21("2","5","6","5","1","1","3","1") = "5"
    & skf21("2","5","6","5","1","1","4","1") = "5"
    & skf21("2","5","6","5","1","1","5","1") = "5"
    & skf21("2","5","6","5","1","1","6","1") = "5"
    & skf21("2","5","6","5","1","1","7","1") = "6"
    & skf21("2","5","6","5","1","2","1","1") = "5"
    & skf21("2","5","6","5","1","2","2","1") = "5"
    & skf21("2","5","6","5","1","2","3","1") = "5"
    & skf21("2","5","6","5","1","2","4","1") = "5"
    & skf21("2","5","6","5","1","2","5","1") = "5"
    & skf21("2","5","6","5","1","2","6","1") = "5"
    & skf21("2","5","6","5","1","2","7","1") = "6"
    & skf21("2","5","6","5","1","3","1","1") = "5"
    & skf21("2","5","6","5","1","3","2","1") = "5"
    & skf21("2","5","6","5","1","3","3","1") = "5"
    & skf21("2","5","6","5","1","3","4","1") = "5"
    & skf21("2","5","6","5","1","3","5","1") = "5"
    & skf21("2","5","6","5","1","3","6","1") = "5"
    & skf21("2","5","6","5","1","3","7","1") = "6"
    & skf21("2","5","6","5","1","4","1","1") = "5"
    & skf21("2","5","6","5","1","4","2","1") = "5"
    & skf21("2","5","6","5","1","4","3","1") = "5"
    & skf21("2","5","6","5","1","4","4","1") = "5"
    & skf21("2","5","6","5","1","4","5","1") = "5"
    & skf21("2","5","6","5","1","4","6","1") = "5"
    & skf21("2","5","6","5","1","4","7","1") = "6"
    & skf21("2","5","6","5","1","5","1","1") = "5"
    & skf21("2","5","6","5","1","5","2","1") = "5"
    & skf21("2","5","6","5","1","5","3","1") = "5"
    & skf21("2","5","6","5","1","5","4","1") = "5"
    & skf21("2","5","6","5","1","5","5","1") = "5"
    & skf21("2","5","6","5","1","5","6","1") = "5"
    & skf21("2","5","6","5","1","5","7","1") = "6"
    & skf21("2","5","6","5","1","6","1","1") = "5"
    & skf21("2","5","6","5","1","6","2","1") = "5"
    & skf21("2","5","6","5","1","6","3","1") = "5"
    & skf21("2","5","6","5","1","6","4","1") = "5"
    & skf21("2","5","6","5","1","6","5","1") = "5"
    & skf21("2","5","6","5","1","6","6","1") = "5"
    & skf21("2","5","6","5","1","6","7","1") = "6"
    & skf21("2","5","6","5","1","7","1","1") = "6"
    & skf21("2","5","6","5","1","7","2","1") = "6"
    & skf21("2","5","6","5","1","7","3","1") = "6"
    & skf21("2","5","6","5","1","7","4","1") = "6"
    & skf21("2","5","6","5","1","7","5","1") = "6"
    & skf21("2","5","6","5","1","7","6","1") = "6"
    & skf21("2","5","6","5","1","7","7","1") = "6"
    & skf21("2","5","6","5","2","1","1","1") = "5"
    & skf21("2","5","6","5","2","1","2","1") = "5"
    & skf21("2","5","6","5","2","1","3","1") = "5"
    & skf21("2","5","6","5","2","1","4","1") = "5"
    & skf21("2","5","6","5","2","1","5","1") = "5"
    & skf21("2","5","6","5","2","1","6","1") = "5"
    & skf21("2","5","6","5","2","1","7","1") = "6"
    & skf21("2","5","6","5","2","2","1","1") = "5"
    & skf21("2","5","6","5","2","2","2","1") = "5"
    & skf21("2","5","6","5","2","2","3","1") = "5"
    & skf21("2","5","6","5","2","2","4","1") = "5"
    & skf21("2","5","6","5","2","2","5","1") = "5"
    & skf21("2","5","6","5","2","2","6","1") = "5"
    & skf21("2","5","6","5","2","2","7","1") = "6"
    & skf21("2","5","6","5","2","3","1","1") = "5"
    & skf21("2","5","6","5","2","3","2","1") = "5"
    & skf21("2","5","6","5","2","3","3","1") = "5"
    & skf21("2","5","6","5","2","3","4","1") = "5"
    & skf21("2","5","6","5","2","3","5","1") = "5"
    & skf21("2","5","6","5","2","3","6","1") = "5"
    & skf21("2","5","6","5","2","3","7","1") = "6"
    & skf21("2","5","6","5","2","4","1","1") = "5"
    & skf21("2","5","6","5","2","4","2","1") = "5"
    & skf21("2","5","6","5","2","4","3","1") = "5"
    & skf21("2","5","6","5","2","4","4","1") = "5"
    & skf21("2","5","6","5","2","4","5","1") = "5"
    & skf21("2","5","6","5","2","4","6","1") = "5"
    & skf21("2","5","6","5","2","4","7","1") = "6"
    & skf21("2","5","6","5","2","5","1","1") = "5"
    & skf21("2","5","6","5","2","5","2","1") = "5"
    & skf21("2","5","6","5","2","5","3","1") = "5"
    & skf21("2","5","6","5","2","5","4","1") = "5"
    & skf21("2","5","6","5","2","5","5","1") = "5"
    & skf21("2","5","6","5","2","5","6","1") = "5"
    & skf21("2","5","6","5","2","5","7","1") = "6"
    & skf21("2","5","6","5","2","6","1","1") = "5"
    & skf21("2","5","6","5","2","6","2","1") = "5"
    & skf21("2","5","6","5","2","6","3","1") = "5"
    & skf21("2","5","6","5","2","6","4","1") = "5"
    & skf21("2","5","6","5","2","6","5","1") = "5"
    & skf21("2","5","6","5","2","6","6","1") = "5"
    & skf21("2","5","6","5","2","6","7","1") = "6"
    & skf21("2","5","6","5","2","7","1","1") = "6"
    & skf21("2","5","6","5","2","7","2","1") = "6"
    & skf21("2","5","6","5","2","7","3","1") = "6"
    & skf21("2","5","6","5","2","7","4","1") = "6"
    & skf21("2","5","6","5","2","7","5","1") = "6"
    & skf21("2","5","6","5","2","7","6","1") = "6"
    & skf21("2","5","6","5","2","7","7","1") = "6"
    & skf21("2","5","6","5","3","1","1","1") = "5"
    & skf21("2","5","6","5","3","1","2","1") = "5"
    & skf21("2","5","6","5","3","1","3","1") = "5"
    & skf21("2","5","6","5","3","1","4","1") = "5"
    & skf21("2","5","6","5","3","1","5","1") = "5"
    & skf21("2","5","6","5","3","1","6","1") = "5"
    & skf21("2","5","6","5","3","1","7","1") = "6"
    & skf21("2","5","6","5","3","2","1","1") = "5"
    & skf21("2","5","6","5","3","2","2","1") = "5"
    & skf21("2","5","6","5","3","2","3","1") = "5"
    & skf21("2","5","6","5","3","2","4","1") = "5"
    & skf21("2","5","6","5","3","2","5","1") = "5"
    & skf21("2","5","6","5","3","2","6","1") = "5"
    & skf21("2","5","6","5","3","2","7","1") = "6"
    & skf21("2","5","6","5","3","3","1","1") = "5"
    & skf21("2","5","6","5","3","3","2","1") = "5"
    & skf21("2","5","6","5","3","3","3","1") = "5"
    & skf21("2","5","6","5","3","3","4","1") = "5"
    & skf21("2","5","6","5","3","3","5","1") = "5"
    & skf21("2","5","6","5","3","3","6","1") = "5"
    & skf21("2","5","6","5","3","3","7","1") = "6"
    & skf21("2","5","6","5","3","4","1","1") = "5"
    & skf21("2","5","6","5","3","4","2","1") = "5"
    & skf21("2","5","6","5","3","4","3","1") = "5"
    & skf21("2","5","6","5","3","4","4","1") = "5"
    & skf21("2","5","6","5","3","4","5","1") = "5"
    & skf21("2","5","6","5","3","4","6","1") = "5"
    & skf21("2","5","6","5","3","4","7","1") = "6"
    & skf21("2","5","6","5","3","5","1","1") = "5"
    & skf21("2","5","6","5","3","5","2","1") = "5"
    & skf21("2","5","6","5","3","5","3","1") = "5"
    & skf21("2","5","6","5","3","5","4","1") = "5"
    & skf21("2","5","6","5","3","5","5","1") = "5"
    & skf21("2","5","6","5","3","5","6","1") = "5"
    & skf21("2","5","6","5","3","5","7","1") = "6"
    & skf21("2","5","6","5","3","6","1","1") = "5"
    & skf21("2","5","6","5","3","6","2","1") = "5"
    & skf21("2","5","6","5","3","6","3","1") = "5"
    & skf21("2","5","6","5","3","6","4","1") = "5"
    & skf21("2","5","6","5","3","6","5","1") = "5"
    & skf21("2","5","6","5","3","6","6","1") = "5"
    & skf21("2","5","6","5","3","6","7","1") = "6"
    & skf21("2","5","6","5","3","7","1","1") = "6"
    & skf21("2","5","6","5","3","7","2","1") = "6"
    & skf21("2","5","6","5","3","7","3","1") = "6"
    & skf21("2","5","6","5","3","7","4","1") = "6"
    & skf21("2","5","6","5","3","7","5","1") = "6"
    & skf21("2","5","6","5","3","7","6","1") = "6"
    & skf21("2","5","6","5","3","7","7","1") = "6"
    & skf21("2","5","6","5","4","1","1","1") = "5"
    & skf21("2","5","6","5","4","1","2","1") = "5"
    & skf21("2","5","6","5","4","1","3","1") = "5"
    & skf21("2","5","6","5","4","1","4","1") = "5"
    & skf21("2","5","6","5","4","1","5","1") = "5"
    & skf21("2","5","6","5","4","1","6","1") = "5"
    & skf21("2","5","6","5","4","1","7","1") = "6"
    & skf21("2","5","6","5","4","2","1","1") = "5"
    & skf21("2","5","6","5","4","2","2","1") = "5"
    & skf21("2","5","6","5","4","2","3","1") = "5"
    & skf21("2","5","6","5","4","2","4","1") = "5"
    & skf21("2","5","6","5","4","2","5","1") = "5"
    & skf21("2","5","6","5","4","2","6","1") = "5"
    & skf21("2","5","6","5","4","2","7","1") = "6"
    & skf21("2","5","6","5","4","3","1","1") = "5"
    & skf21("2","5","6","5","4","3","2","1") = "5"
    & skf21("2","5","6","5","4","3","3","1") = "5"
    & skf21("2","5","6","5","4","3","4","1") = "5"
    & skf21("2","5","6","5","4","3","5","1") = "5"
    & skf21("2","5","6","5","4","3","6","1") = "5"
    & skf21("2","5","6","5","4","3","7","1") = "6"
    & skf21("2","5","6","5","4","4","1","1") = "5"
    & skf21("2","5","6","5","4","4","2","1") = "5"
    & skf21("2","5","6","5","4","4","3","1") = "5"
    & skf21("2","5","6","5","4","4","4","1") = "5"
    & skf21("2","5","6","5","4","4","5","1") = "5"
    & skf21("2","5","6","5","4","4","6","1") = "5"
    & skf21("2","5","6","5","4","4","7","1") = "6"
    & skf21("2","5","6","5","4","5","1","1") = "5"
    & skf21("2","5","6","5","4","5","2","1") = "5"
    & skf21("2","5","6","5","4","5","3","1") = "5"
    & skf21("2","5","6","5","4","5","4","1") = "5"
    & skf21("2","5","6","5","4","5","5","1") = "5"
    & skf21("2","5","6","5","4","5","6","1") = "5"
    & skf21("2","5","6","5","4","5","7","1") = "6"
    & skf21("2","5","6","5","4","6","1","1") = "5"
    & skf21("2","5","6","5","4","6","2","1") = "5"
    & skf21("2","5","6","5","4","6","3","1") = "5"
    & skf21("2","5","6","5","4","6","4","1") = "5"
    & skf21("2","5","6","5","4","6","5","1") = "5"
    & skf21("2","5","6","5","4","6","6","1") = "5"
    & skf21("2","5","6","5","4","6","7","1") = "6"
    & skf21("2","5","6","5","4","7","1","1") = "6"
    & skf21("2","5","6","5","4","7","2","1") = "6"
    & skf21("2","5","6","5","4","7","3","1") = "6"
    & skf21("2","5","6","5","4","7","4","1") = "6"
    & skf21("2","5","6","5","4","7","5","1") = "6"
    & skf21("2","5","6","5","4","7","6","1") = "6"
    & skf21("2","5","6","5","4","7","7","1") = "6"
    & skf21("2","5","6","5","5","1","1","1") = "5"
    & skf21("2","5","6","5","5","1","2","1") = "5"
    & skf21("2","5","6","5","5","1","3","1") = "5"
    & skf21("2","5","6","5","5","1","4","1") = "5"
    & skf21("2","5","6","5","5","1","5","1") = "5"
    & skf21("2","5","6","5","5","1","6","1") = "5"
    & skf21("2","5","6","5","5","1","7","1") = "6"
    & skf21("2","5","6","5","5","2","1","1") = "5"
    & skf21("2","5","6","5","5","2","2","1") = "5"
    & skf21("2","5","6","5","5","2","3","1") = "5"
    & skf21("2","5","6","5","5","2","4","1") = "5"
    & skf21("2","5","6","5","5","2","5","1") = "5"
    & skf21("2","5","6","5","5","2","6","1") = "5"
    & skf21("2","5","6","5","5","2","7","1") = "6"
    & skf21("2","5","6","5","5","3","1","1") = "5"
    & skf21("2","5","6","5","5","3","2","1") = "5"
    & skf21("2","5","6","5","5","3","3","1") = "5"
    & skf21("2","5","6","5","5","3","4","1") = "5"
    & skf21("2","5","6","5","5","3","5","1") = "5"
    & skf21("2","5","6","5","5","3","6","1") = "5"
    & skf21("2","5","6","5","5","3","7","1") = "6"
    & skf21("2","5","6","5","5","4","1","1") = "5"
    & skf21("2","5","6","5","5","4","2","1") = "5"
    & skf21("2","5","6","5","5","4","3","1") = "5"
    & skf21("2","5","6","5","5","4","4","1") = "5"
    & skf21("2","5","6","5","5","4","5","1") = "5"
    & skf21("2","5","6","5","5","4","6","1") = "5"
    & skf21("2","5","6","5","5","4","7","1") = "6"
    & skf21("2","5","6","5","5","5","1","1") = "5"
    & skf21("2","5","6","5","5","5","2","1") = "5"
    & skf21("2","5","6","5","5","5","3","1") = "5"
    & skf21("2","5","6","5","5","5","4","1") = "5"
    & skf21("2","5","6","5","5","5","5","1") = "5"
    & skf21("2","5","6","5","5","5","6","1") = "5"
    & skf21("2","5","6","5","5","5","7","1") = "6"
    & skf21("2","5","6","5","5","6","1","1") = "5"
    & skf21("2","5","6","5","5","6","2","1") = "5"
    & skf21("2","5","6","5","5","6","3","1") = "5"
    & skf21("2","5","6","5","5","6","4","1") = "5"
    & skf21("2","5","6","5","5","6","5","1") = "5"
    & skf21("2","5","6","5","5","6","6","1") = "5"
    & skf21("2","5","6","5","5","6","7","1") = "6"
    & skf21("2","5","6","5","5","7","1","1") = "6"
    & skf21("2","5","6","5","5","7","2","1") = "6"
    & skf21("2","5","6","5","5","7","3","1") = "6"
    & skf21("2","5","6","5","5","7","4","1") = "6"
    & skf21("2","5","6","5","5","7","5","1") = "6"
    & skf21("2","5","6","5","5","7","6","1") = "6"
    & skf21("2","5","6","5","5","7","7","1") = "6"
    & skf21("2","5","6","5","6","1","1","1") = "5"
    & skf21("2","5","6","5","6","1","2","1") = "5"
    & skf21("2","5","6","5","6","1","3","1") = "5"
    & skf21("2","5","6","5","6","1","4","1") = "5"
    & skf21("2","5","6","5","6","1","5","1") = "5"
    & skf21("2","5","6","5","6","1","6","1") = "5"
    & skf21("2","5","6","5","6","1","7","1") = "6"
    & skf21("2","5","6","5","6","2","1","1") = "5"
    & skf21("2","5","6","5","6","2","2","1") = "5"
    & skf21("2","5","6","5","6","2","3","1") = "5"
    & skf21("2","5","6","5","6","2","4","1") = "5"
    & skf21("2","5","6","5","6","2","5","1") = "5"
    & skf21("2","5","6","5","6","2","6","1") = "5"
    & skf21("2","5","6","5","6","2","7","1") = "6"
    & skf21("2","5","6","5","6","3","1","1") = "5"
    & skf21("2","5","6","5","6","3","2","1") = "5"
    & skf21("2","5","6","5","6","3","3","1") = "5"
    & skf21("2","5","6","5","6","3","4","1") = "5"
    & skf21("2","5","6","5","6","3","5","1") = "5"
    & skf21("2","5","6","5","6","3","6","1") = "5"
    & skf21("2","5","6","5","6","3","7","1") = "6"
    & skf21("2","5","6","5","6","4","1","1") = "5"
    & skf21("2","5","6","5","6","4","2","1") = "5"
    & skf21("2","5","6","5","6","4","3","1") = "5"
    & skf21("2","5","6","5","6","4","4","1") = "5"
    & skf21("2","5","6","5","6","4","5","1") = "5"
    & skf21("2","5","6","5","6","4","6","1") = "5"
    & skf21("2","5","6","5","6","4","7","1") = "6"
    & skf21("2","5","6","5","6","5","1","1") = "5"
    & skf21("2","5","6","5","6","5","2","1") = "5"
    & skf21("2","5","6","5","6","5","3","1") = "5"
    & skf21("2","5","6","5","6","5","4","1") = "5"
    & skf21("2","5","6","5","6","5","5","1") = "5"
    & skf21("2","5","6","5","6","5","6","1") = "5"
    & skf21("2","5","6","5","6","5","7","1") = "6"
    & skf21("2","5","6","5","6","6","1","1") = "5"
    & skf21("2","5","6","5","6","6","2","1") = "5"
    & skf21("2","5","6","5","6","6","3","1") = "5"
    & skf21("2","5","6","5","6","6","4","1") = "5"
    & skf21("2","5","6","5","6","6","5","1") = "5"
    & skf21("2","5","6","5","6","6","6","1") = "5"
    & skf21("2","5","6","5","6","6","7","1") = "6"
    & skf21("2","5","6","5","6","7","1","1") = "6"
    & skf21("2","5","6","5","6","7","2","1") = "6"
    & skf21("2","5","6","5","6","7","3","1") = "6"
    & skf21("2","5","6","5","6","7","4","1") = "6"
    & skf21("2","5","6","5","6","7","5","1") = "6"
    & skf21("2","5","6","5","6","7","6","1") = "6"
    & skf21("2","5","6","5","6","7","7","1") = "6"
    & skf21("2","5","6","5","7","1","1","1") = "6"
    & skf21("2","5","6","5","7","1","2","1") = "6"
    & skf21("2","5","6","5","7","1","3","1") = "6"
    & skf21("2","5","6","5","7","1","4","1") = "6"
    & skf21("2","5","6","5","7","1","5","1") = "6"
    & skf21("2","5","6","5","7","1","6","1") = "6"
    & skf21("2","5","6","5","7","1","7","1") = "6"
    & skf21("2","5","6","5","7","2","1","1") = "6"
    & skf21("2","5","6","5","7","2","2","1") = "6"
    & skf21("2","5","6","5","7","2","3","1") = "6"
    & skf21("2","5","6","5","7","2","4","1") = "6"
    & skf21("2","5","6","5","7","2","5","1") = "6"
    & skf21("2","5","6","5","7","2","6","1") = "6"
    & skf21("2","5","6","5","7","2","7","1") = "6"
    & skf21("2","5","6","5","7","3","1","1") = "6"
    & skf21("2","5","6","5","7","3","2","1") = "6"
    & skf21("2","5","6","5","7","3","3","1") = "6"
    & skf21("2","5","6","5","7","3","4","1") = "6"
    & skf21("2","5","6","5","7","3","5","1") = "6"
    & skf21("2","5","6","5","7","3","6","1") = "6"
    & skf21("2","5","6","5","7","3","7","1") = "6"
    & skf21("2","5","6","5","7","4","1","1") = "6"
    & skf21("2","5","6","5","7","4","2","1") = "6"
    & skf21("2","5","6","5","7","4","3","1") = "6"
    & skf21("2","5","6","5","7","4","4","1") = "6"
    & skf21("2","5","6","5","7","4","5","1") = "6"
    & skf21("2","5","6","5","7","4","6","1") = "6"
    & skf21("2","5","6","5","7","4","7","1") = "6"
    & skf21("2","5","6","5","7","5","1","1") = "6"
    & skf21("2","5","6","5","7","5","2","1") = "6"
    & skf21("2","5","6","5","7","5","3","1") = "6"
    & skf21("2","5","6","5","7","5","4","1") = "6"
    & skf21("2","5","6","5","7","5","5","1") = "6"
    & skf21("2","5","6","5","7","5","6","1") = "6"
    & skf21("2","5","6","5","7","5","7","1") = "6"
    & skf21("2","5","6","5","7","6","1","1") = "6"
    & skf21("2","5","6","5","7","6","2","1") = "6"
    & skf21("2","5","6","5","7","6","3","1") = "6"
    & skf21("2","5","6","5","7","6","4","1") = "6"
    & skf21("2","5","6","5","7","6","5","1") = "6"
    & skf21("2","5","6","5","7","6","6","1") = "6"
    & skf21("2","5","6","5","7","6","7","1") = "6"
    & skf21("2","5","6","5","7","7","1","1") = "6"
    & skf21("2","5","6","5","7","7","2","1") = "6"
    & skf21("2","5","6","5","7","7","3","1") = "6"
    & skf21("2","5","6","5","7","7","4","1") = "6"
    & skf21("2","5","6","5","7","7","5","1") = "6"
    & skf21("2","5","6","5","7","7","6","1") = "6"
    & skf21("2","5","6","5","7","7","7","1") = "6"
    & skf21("2","5","6","6","1","1","1","1") = "5"
    & skf21("2","5","6","6","1","1","2","1") = "5"
    & skf21("2","5","6","6","1","1","3","1") = "5"
    & skf21("2","5","6","6","1","1","4","1") = "5"
    & skf21("2","5","6","6","1","1","5","1") = "5"
    & skf21("2","5","6","6","1","1","6","1") = "5"
    & skf21("2","5","6","6","1","1","7","1") = "6"
    & skf21("2","5","6","6","1","2","1","1") = "5"
    & skf21("2","5","6","6","1","2","2","1") = "5"
    & skf21("2","5","6","6","1","2","3","1") = "5"
    & skf21("2","5","6","6","1","2","4","1") = "5"
    & skf21("2","5","6","6","1","2","5","1") = "5"
    & skf21("2","5","6","6","1","2","6","1") = "5"
    & skf21("2","5","6","6","1","2","7","1") = "6"
    & skf21("2","5","6","6","1","3","1","1") = "5"
    & skf21("2","5","6","6","1","3","2","1") = "5"
    & skf21("2","5","6","6","1","3","3","1") = "5"
    & skf21("2","5","6","6","1","3","4","1") = "5"
    & skf21("2","5","6","6","1","3","5","1") = "5"
    & skf21("2","5","6","6","1","3","6","1") = "5"
    & skf21("2","5","6","6","1","3","7","1") = "6"
    & skf21("2","5","6","6","1","4","1","1") = "5"
    & skf21("2","5","6","6","1","4","2","1") = "5"
    & skf21("2","5","6","6","1","4","3","1") = "5"
    & skf21("2","5","6","6","1","4","4","1") = "5"
    & skf21("2","5","6","6","1","4","5","1") = "5"
    & skf21("2","5","6","6","1","4","6","1") = "5"
    & skf21("2","5","6","6","1","4","7","1") = "6"
    & skf21("2","5","6","6","1","5","1","1") = "5"
    & skf21("2","5","6","6","1","5","2","1") = "5"
    & skf21("2","5","6","6","1","5","3","1") = "5"
    & skf21("2","5","6","6","1","5","4","1") = "5"
    & skf21("2","5","6","6","1","5","5","1") = "5"
    & skf21("2","5","6","6","1","5","6","1") = "5"
    & skf21("2","5","6","6","1","5","7","1") = "6"
    & skf21("2","5","6","6","1","6","1","1") = "5"
    & skf21("2","5","6","6","1","6","2","1") = "5"
    & skf21("2","5","6","6","1","6","3","1") = "5"
    & skf21("2","5","6","6","1","6","4","1") = "5"
    & skf21("2","5","6","6","1","6","5","1") = "5"
    & skf21("2","5","6","6","1","6","6","1") = "5"
    & skf21("2","5","6","6","1","6","7","1") = "6"
    & skf21("2","5","6","6","1","7","1","1") = "6"
    & skf21("2","5","6","6","1","7","2","1") = "6"
    & skf21("2","5","6","6","1","7","3","1") = "6"
    & skf21("2","5","6","6","1","7","4","1") = "6"
    & skf21("2","5","6","6","1","7","5","1") = "6"
    & skf21("2","5","6","6","1","7","6","1") = "6"
    & skf21("2","5","6","6","1","7","7","1") = "6"
    & skf21("2","5","6","6","2","1","1","1") = "5"
    & skf21("2","5","6","6","2","1","2","1") = "5"
    & skf21("2","5","6","6","2","1","3","1") = "5"
    & skf21("2","5","6","6","2","1","4","1") = "5"
    & skf21("2","5","6","6","2","1","5","1") = "5"
    & skf21("2","5","6","6","2","1","6","1") = "5"
    & skf21("2","5","6","6","2","1","7","1") = "6"
    & skf21("2","5","6","6","2","2","1","1") = "5"
    & skf21("2","5","6","6","2","2","2","1") = "5"
    & skf21("2","5","6","6","2","2","3","1") = "5"
    & skf21("2","5","6","6","2","2","4","1") = "5"
    & skf21("2","5","6","6","2","2","5","1") = "5"
    & skf21("2","5","6","6","2","2","6","1") = "5"
    & skf21("2","5","6","6","2","2","7","1") = "6"
    & skf21("2","5","6","6","2","3","1","1") = "5"
    & skf21("2","5","6","6","2","3","2","1") = "5"
    & skf21("2","5","6","6","2","3","3","1") = "5"
    & skf21("2","5","6","6","2","3","4","1") = "5"
    & skf21("2","5","6","6","2","3","5","1") = "5"
    & skf21("2","5","6","6","2","3","6","1") = "5"
    & skf21("2","5","6","6","2","3","7","1") = "6"
    & skf21("2","5","6","6","2","4","1","1") = "5"
    & skf21("2","5","6","6","2","4","2","1") = "5"
    & skf21("2","5","6","6","2","4","3","1") = "5"
    & skf21("2","5","6","6","2","4","4","1") = "5"
    & skf21("2","5","6","6","2","4","5","1") = "5"
    & skf21("2","5","6","6","2","4","6","1") = "5"
    & skf21("2","5","6","6","2","4","7","1") = "6"
    & skf21("2","5","6","6","2","5","1","1") = "5"
    & skf21("2","5","6","6","2","5","2","1") = "5"
    & skf21("2","5","6","6","2","5","3","1") = "5"
    & skf21("2","5","6","6","2","5","4","1") = "5"
    & skf21("2","5","6","6","2","5","5","1") = "5"
    & skf21("2","5","6","6","2","5","6","1") = "5"
    & skf21("2","5","6","6","2","5","7","1") = "6"
    & skf21("2","5","6","6","2","6","1","1") = "5"
    & skf21("2","5","6","6","2","6","2","1") = "5"
    & skf21("2","5","6","6","2","6","3","1") = "5"
    & skf21("2","5","6","6","2","6","4","1") = "5"
    & skf21("2","5","6","6","2","6","5","1") = "5"
    & skf21("2","5","6","6","2","6","6","1") = "5"
    & skf21("2","5","6","6","2","6","7","1") = "6"
    & skf21("2","5","6","6","2","7","1","1") = "6"
    & skf21("2","5","6","6","2","7","2","1") = "6"
    & skf21("2","5","6","6","2","7","3","1") = "6"
    & skf21("2","5","6","6","2","7","4","1") = "6"
    & skf21("2","5","6","6","2","7","5","1") = "6"
    & skf21("2","5","6","6","2","7","6","1") = "6"
    & skf21("2","5","6","6","2","7","7","1") = "6"
    & skf21("2","5","6","6","3","1","1","1") = "5"
    & skf21("2","5","6","6","3","1","2","1") = "5"
    & skf21("2","5","6","6","3","1","3","1") = "5"
    & skf21("2","5","6","6","3","1","4","1") = "5"
    & skf21("2","5","6","6","3","1","5","1") = "5"
    & skf21("2","5","6","6","3","1","6","1") = "5"
    & skf21("2","5","6","6","3","1","7","1") = "6"
    & skf21("2","5","6","6","3","2","1","1") = "5"
    & skf21("2","5","6","6","3","2","2","1") = "5"
    & skf21("2","5","6","6","3","2","3","1") = "5"
    & skf21("2","5","6","6","3","2","4","1") = "5"
    & skf21("2","5","6","6","3","2","5","1") = "5"
    & skf21("2","5","6","6","3","2","6","1") = "5"
    & skf21("2","5","6","6","3","2","7","1") = "6"
    & skf21("2","5","6","6","3","3","1","1") = "5"
    & skf21("2","5","6","6","3","3","2","1") = "5"
    & skf21("2","5","6","6","3","3","3","1") = "5"
    & skf21("2","5","6","6","3","3","4","1") = "5"
    & skf21("2","5","6","6","3","3","5","1") = "5"
    & skf21("2","5","6","6","3","3","6","1") = "5"
    & skf21("2","5","6","6","3","3","7","1") = "6"
    & skf21("2","5","6","6","3","4","1","1") = "5"
    & skf21("2","5","6","6","3","4","2","1") = "5"
    & skf21("2","5","6","6","3","4","3","1") = "5"
    & skf21("2","5","6","6","3","4","4","1") = "5"
    & skf21("2","5","6","6","3","4","5","1") = "5"
    & skf21("2","5","6","6","3","4","6","1") = "5"
    & skf21("2","5","6","6","3","4","7","1") = "6"
    & skf21("2","5","6","6","3","5","1","1") = "5"
    & skf21("2","5","6","6","3","5","2","1") = "5"
    & skf21("2","5","6","6","3","5","3","1") = "5"
    & skf21("2","5","6","6","3","5","4","1") = "5"
    & skf21("2","5","6","6","3","5","5","1") = "5"
    & skf21("2","5","6","6","3","5","6","1") = "5"
    & skf21("2","5","6","6","3","5","7","1") = "6"
    & skf21("2","5","6","6","3","6","1","1") = "5"
    & skf21("2","5","6","6","3","6","2","1") = "5"
    & skf21("2","5","6","6","3","6","3","1") = "5"
    & skf21("2","5","6","6","3","6","4","1") = "5"
    & skf21("2","5","6","6","3","6","5","1") = "5"
    & skf21("2","5","6","6","3","6","6","1") = "5"
    & skf21("2","5","6","6","3","6","7","1") = "6"
    & skf21("2","5","6","6","3","7","1","1") = "6"
    & skf21("2","5","6","6","3","7","2","1") = "6"
    & skf21("2","5","6","6","3","7","3","1") = "6"
    & skf21("2","5","6","6","3","7","4","1") = "6"
    & skf21("2","5","6","6","3","7","5","1") = "6"
    & skf21("2","5","6","6","3","7","6","1") = "6"
    & skf21("2","5","6","6","3","7","7","1") = "6"
    & skf21("2","5","6","6","4","1","1","1") = "5"
    & skf21("2","5","6","6","4","1","2","1") = "5"
    & skf21("2","5","6","6","4","1","3","1") = "5"
    & skf21("2","5","6","6","4","1","4","1") = "5"
    & skf21("2","5","6","6","4","1","5","1") = "5"
    & skf21("2","5","6","6","4","1","6","1") = "5"
    & skf21("2","5","6","6","4","1","7","1") = "6"
    & skf21("2","5","6","6","4","2","1","1") = "5"
    & skf21("2","5","6","6","4","2","2","1") = "5"
    & skf21("2","5","6","6","4","2","3","1") = "5"
    & skf21("2","5","6","6","4","2","4","1") = "5"
    & skf21("2","5","6","6","4","2","5","1") = "5"
    & skf21("2","5","6","6","4","2","6","1") = "5"
    & skf21("2","5","6","6","4","2","7","1") = "6"
    & skf21("2","5","6","6","4","3","1","1") = "5"
    & skf21("2","5","6","6","4","3","2","1") = "5"
    & skf21("2","5","6","6","4","3","3","1") = "5"
    & skf21("2","5","6","6","4","3","4","1") = "5"
    & skf21("2","5","6","6","4","3","5","1") = "5"
    & skf21("2","5","6","6","4","3","6","1") = "5"
    & skf21("2","5","6","6","4","3","7","1") = "6"
    & skf21("2","5","6","6","4","4","1","1") = "5"
    & skf21("2","5","6","6","4","4","2","1") = "5"
    & skf21("2","5","6","6","4","4","3","1") = "5"
    & skf21("2","5","6","6","4","4","4","1") = "5"
    & skf21("2","5","6","6","4","4","5","1") = "5"
    & skf21("2","5","6","6","4","4","6","1") = "5"
    & skf21("2","5","6","6","4","4","7","1") = "6"
    & skf21("2","5","6","6","4","5","1","1") = "5"
    & skf21("2","5","6","6","4","5","2","1") = "5"
    & skf21("2","5","6","6","4","5","3","1") = "5"
    & skf21("2","5","6","6","4","5","4","1") = "5"
    & skf21("2","5","6","6","4","5","5","1") = "5"
    & skf21("2","5","6","6","4","5","6","1") = "5"
    & skf21("2","5","6","6","4","5","7","1") = "6"
    & skf21("2","5","6","6","4","6","1","1") = "5"
    & skf21("2","5","6","6","4","6","2","1") = "5"
    & skf21("2","5","6","6","4","6","3","1") = "5"
    & skf21("2","5","6","6","4","6","4","1") = "5"
    & skf21("2","5","6","6","4","6","5","1") = "5"
    & skf21("2","5","6","6","4","6","6","1") = "5"
    & skf21("2","5","6","6","4","6","7","1") = "6"
    & skf21("2","5","6","6","4","7","1","1") = "6"
    & skf21("2","5","6","6","4","7","2","1") = "6"
    & skf21("2","5","6","6","4","7","3","1") = "6"
    & skf21("2","5","6","6","4","7","4","1") = "6"
    & skf21("2","5","6","6","4","7","5","1") = "6"
    & skf21("2","5","6","6","4","7","6","1") = "6"
    & skf21("2","5","6","6","4","7","7","1") = "6"
    & skf21("2","5","6","6","5","1","1","1") = "5"
    & skf21("2","5","6","6","5","1","2","1") = "5"
    & skf21("2","5","6","6","5","1","3","1") = "5"
    & skf21("2","5","6","6","5","1","4","1") = "5"
    & skf21("2","5","6","6","5","1","5","1") = "5"
    & skf21("2","5","6","6","5","1","6","1") = "5"
    & skf21("2","5","6","6","5","1","7","1") = "6"
    & skf21("2","5","6","6","5","2","1","1") = "5"
    & skf21("2","5","6","6","5","2","2","1") = "5"
    & skf21("2","5","6","6","5","2","3","1") = "5"
    & skf21("2","5","6","6","5","2","4","1") = "5"
    & skf21("2","5","6","6","5","2","5","1") = "5"
    & skf21("2","5","6","6","5","2","6","1") = "5"
    & skf21("2","5","6","6","5","2","7","1") = "6"
    & skf21("2","5","6","6","5","3","1","1") = "5"
    & skf21("2","5","6","6","5","3","2","1") = "5"
    & skf21("2","5","6","6","5","3","3","1") = "5"
    & skf21("2","5","6","6","5","3","4","1") = "5"
    & skf21("2","5","6","6","5","3","5","1") = "5"
    & skf21("2","5","6","6","5","3","6","1") = "5"
    & skf21("2","5","6","6","5","3","7","1") = "6"
    & skf21("2","5","6","6","5","4","1","1") = "5"
    & skf21("2","5","6","6","5","4","2","1") = "5"
    & skf21("2","5","6","6","5","4","3","1") = "5"
    & skf21("2","5","6","6","5","4","4","1") = "5"
    & skf21("2","5","6","6","5","4","5","1") = "5"
    & skf21("2","5","6","6","5","4","6","1") = "5"
    & skf21("2","5","6","6","5","4","7","1") = "6"
    & skf21("2","5","6","6","5","5","1","1") = "5"
    & skf21("2","5","6","6","5","5","2","1") = "5"
    & skf21("2","5","6","6","5","5","3","1") = "5"
    & skf21("2","5","6","6","5","5","4","1") = "5"
    & skf21("2","5","6","6","5","5","5","1") = "5"
    & skf21("2","5","6","6","5","5","6","1") = "5"
    & skf21("2","5","6","6","5","5","7","1") = "6"
    & skf21("2","5","6","6","5","6","1","1") = "5"
    & skf21("2","5","6","6","5","6","2","1") = "5"
    & skf21("2","5","6","6","5","6","3","1") = "5"
    & skf21("2","5","6","6","5","6","4","1") = "5"
    & skf21("2","5","6","6","5","6","5","1") = "5"
    & skf21("2","5","6","6","5","6","6","1") = "5"
    & skf21("2","5","6","6","5","6","7","1") = "6"
    & skf21("2","5","6","6","5","7","1","1") = "6"
    & skf21("2","5","6","6","5","7","2","1") = "6"
    & skf21("2","5","6","6","5","7","3","1") = "6"
    & skf21("2","5","6","6","5","7","4","1") = "6"
    & skf21("2","5","6","6","5","7","5","1") = "6"
    & skf21("2","5","6","6","5","7","6","1") = "6"
    & skf21("2","5","6","6","5","7","7","1") = "6"
    & skf21("2","5","6","6","6","1","1","1") = "5"
    & skf21("2","5","6","6","6","1","2","1") = "5"
    & skf21("2","5","6","6","6","1","3","1") = "5"
    & skf21("2","5","6","6","6","1","4","1") = "5"
    & skf21("2","5","6","6","6","1","5","1") = "5"
    & skf21("2","5","6","6","6","1","6","1") = "5"
    & skf21("2","5","6","6","6","1","7","1") = "6"
    & skf21("2","5","6","6","6","2","1","1") = "5"
    & skf21("2","5","6","6","6","2","2","1") = "5"
    & skf21("2","5","6","6","6","2","3","1") = "5"
    & skf21("2","5","6","6","6","2","4","1") = "5"
    & skf21("2","5","6","6","6","2","5","1") = "5"
    & skf21("2","5","6","6","6","2","6","1") = "5"
    & skf21("2","5","6","6","6","2","7","1") = "6"
    & skf21("2","5","6","6","6","3","1","1") = "5"
    & skf21("2","5","6","6","6","3","2","1") = "5"
    & skf21("2","5","6","6","6","3","3","1") = "5"
    & skf21("2","5","6","6","6","3","4","1") = "5"
    & skf21("2","5","6","6","6","3","5","1") = "5"
    & skf21("2","5","6","6","6","3","6","1") = "5"
    & skf21("2","5","6","6","6","3","7","1") = "6"
    & skf21("2","5","6","6","6","4","1","1") = "5"
    & skf21("2","5","6","6","6","4","2","1") = "5"
    & skf21("2","5","6","6","6","4","3","1") = "5"
    & skf21("2","5","6","6","6","4","4","1") = "5"
    & skf21("2","5","6","6","6","4","5","1") = "5"
    & skf21("2","5","6","6","6","4","6","1") = "5"
    & skf21("2","5","6","6","6","4","7","1") = "6"
    & skf21("2","5","6","6","6","5","1","1") = "5"
    & skf21("2","5","6","6","6","5","2","1") = "5"
    & skf21("2","5","6","6","6","5","3","1") = "5"
    & skf21("2","5","6","6","6","5","4","1") = "5"
    & skf21("2","5","6","6","6","5","5","1") = "5"
    & skf21("2","5","6","6","6","5","6","1") = "5"
    & skf21("2","5","6","6","6","5","7","1") = "6"
    & skf21("2","5","6","6","6","6","1","1") = "5"
    & skf21("2","5","6","6","6","6","2","1") = "5"
    & skf21("2","5","6","6","6","6","3","1") = "5"
    & skf21("2","5","6","6","6","6","4","1") = "5"
    & skf21("2","5","6","6","6","6","5","1") = "5"
    & skf21("2","5","6","6","6","6","6","1") = "5"
    & skf21("2","5","6","6","6","6","7","1") = "6"
    & skf21("2","5","6","6","6","7","1","1") = "6"
    & skf21("2","5","6","6","6","7","2","1") = "6"
    & skf21("2","5","6","6","6","7","3","1") = "6"
    & skf21("2","5","6","6","6","7","4","1") = "6"
    & skf21("2","5","6","6","6","7","5","1") = "6"
    & skf21("2","5","6","6","6","7","6","1") = "6"
    & skf21("2","5","6","6","6","7","7","1") = "6"
    & skf21("2","5","6","6","7","1","1","1") = "6"
    & skf21("2","5","6","6","7","1","2","1") = "6"
    & skf21("2","5","6","6","7","1","3","1") = "6"
    & skf21("2","5","6","6","7","1","4","1") = "6"
    & skf21("2","5","6","6","7","1","5","1") = "6"
    & skf21("2","5","6","6","7","1","6","1") = "6"
    & skf21("2","5","6","6","7","1","7","1") = "6"
    & skf21("2","5","6","6","7","2","1","1") = "6"
    & skf21("2","5","6","6","7","2","2","1") = "6"
    & skf21("2","5","6","6","7","2","3","1") = "6"
    & skf21("2","5","6","6","7","2","4","1") = "6"
    & skf21("2","5","6","6","7","2","5","1") = "6"
    & skf21("2","5","6","6","7","2","6","1") = "6"
    & skf21("2","5","6","6","7","2","7","1") = "6"
    & skf21("2","5","6","6","7","3","1","1") = "6"
    & skf21("2","5","6","6","7","3","2","1") = "6"
    & skf21("2","5","6","6","7","3","3","1") = "6"
    & skf21("2","5","6","6","7","3","4","1") = "6"
    & skf21("2","5","6","6","7","3","5","1") = "6"
    & skf21("2","5","6","6","7","3","6","1") = "6"
    & skf21("2","5","6","6","7","3","7","1") = "6"
    & skf21("2","5","6","6","7","4","1","1") = "6"
    & skf21("2","5","6","6","7","4","2","1") = "6"
    & skf21("2","5","6","6","7","4","3","1") = "6"
    & skf21("2","5","6","6","7","4","4","1") = "6"
    & skf21("2","5","6","6","7","4","5","1") = "6"
    & skf21("2","5","6","6","7","4","6","1") = "6"
    & skf21("2","5","6","6","7","4","7","1") = "6"
    & skf21("2","5","6","6","7","5","1","1") = "6"
    & skf21("2","5","6","6","7","5","2","1") = "6"
    & skf21("2","5","6","6","7","5","3","1") = "6"
    & skf21("2","5","6","6","7","5","4","1") = "6"
    & skf21("2","5","6","6","7","5","5","1") = "6"
    & skf21("2","5","6","6","7","5","6","1") = "6"
    & skf21("2","5","6","6","7","5","7","1") = "6"
    & skf21("2","5","6","6","7","6","1","1") = "6"
    & skf21("2","5","6","6","7","6","2","1") = "6"
    & skf21("2","5","6","6","7","6","3","1") = "6"
    & skf21("2","5","6","6","7","6","4","1") = "6"
    & skf21("2","5","6","6","7","6","5","1") = "6"
    & skf21("2","5","6","6","7","6","6","1") = "6"
    & skf21("2","5","6","6","7","6","7","1") = "6"
    & skf21("2","5","6","6","7","7","1","1") = "6"
    & skf21("2","5","6","6","7","7","2","1") = "6"
    & skf21("2","5","6","6","7","7","3","1") = "6"
    & skf21("2","5","6","6","7","7","4","1") = "6"
    & skf21("2","5","6","6","7","7","5","1") = "6"
    & skf21("2","5","6","6","7","7","6","1") = "6"
    & skf21("2","5","6","6","7","7","7","1") = "6"
    & skf21("2","5","6","7","1","1","1","1") = "6"
    & skf21("2","5","6","7","1","1","2","1") = "6"
    & skf21("2","5","6","7","1","1","3","1") = "6"
    & skf21("2","5","6","7","1","1","4","1") = "6"
    & skf21("2","5","6","7","1","1","5","1") = "6"
    & skf21("2","5","6","7","1","1","6","1") = "6"
    & skf21("2","5","6","7","1","1","7","1") = "6"
    & skf21("2","5","6","7","1","2","1","1") = "6"
    & skf21("2","5","6","7","1","2","2","1") = "6"
    & skf21("2","5","6","7","1","2","3","1") = "6"
    & skf21("2","5","6","7","1","2","4","1") = "6"
    & skf21("2","5","6","7","1","2","5","1") = "6"
    & skf21("2","5","6","7","1","2","6","1") = "6"
    & skf21("2","5","6","7","1","2","7","1") = "6"
    & skf21("2","5","6","7","1","3","1","1") = "6"
    & skf21("2","5","6","7","1","3","2","1") = "6"
    & skf21("2","5","6","7","1","3","3","1") = "6"
    & skf21("2","5","6","7","1","3","4","1") = "6"
    & skf21("2","5","6","7","1","3","5","1") = "6"
    & skf21("2","5","6","7","1","3","6","1") = "6"
    & skf21("2","5","6","7","1","3","7","1") = "6"
    & skf21("2","5","6","7","1","4","1","1") = "6"
    & skf21("2","5","6","7","1","4","2","1") = "6"
    & skf21("2","5","6","7","1","4","3","1") = "6"
    & skf21("2","5","6","7","1","4","4","1") = "6"
    & skf21("2","5","6","7","1","4","5","1") = "6"
    & skf21("2","5","6","7","1","4","6","1") = "6"
    & skf21("2","5","6","7","1","4","7","1") = "6"
    & skf21("2","5","6","7","1","5","1","1") = "6"
    & skf21("2","5","6","7","1","5","2","1") = "6"
    & skf21("2","5","6","7","1","5","3","1") = "6"
    & skf21("2","5","6","7","1","5","4","1") = "6"
    & skf21("2","5","6","7","1","5","5","1") = "6"
    & skf21("2","5","6","7","1","5","6","1") = "6"
    & skf21("2","5","6","7","1","5","7","1") = "6"
    & skf21("2","5","6","7","1","6","1","1") = "6"
    & skf21("2","5","6","7","1","6","2","1") = "6"
    & skf21("2","5","6","7","1","6","3","1") = "6"
    & skf21("2","5","6","7","1","6","4","1") = "6"
    & skf21("2","5","6","7","1","6","5","1") = "6"
    & skf21("2","5","6","7","1","6","6","1") = "6"
    & skf21("2","5","6","7","1","6","7","1") = "6"
    & skf21("2","5","6","7","1","7","1","1") = "6"
    & skf21("2","5","6","7","1","7","2","1") = "6"
    & skf21("2","5","6","7","1","7","3","1") = "6"
    & skf21("2","5","6","7","1","7","4","1") = "6"
    & skf21("2","5","6","7","1","7","5","1") = "6"
    & skf21("2","5","6","7","1","7","6","1") = "6"
    & skf21("2","5","6","7","1","7","7","1") = "6"
    & skf21("2","5","6","7","2","1","1","1") = "6"
    & skf21("2","5","6","7","2","1","2","1") = "6"
    & skf21("2","5","6","7","2","1","3","1") = "6"
    & skf21("2","5","6","7","2","1","4","1") = "6"
    & skf21("2","5","6","7","2","1","5","1") = "6"
    & skf21("2","5","6","7","2","1","6","1") = "6"
    & skf21("2","5","6","7","2","1","7","1") = "6"
    & skf21("2","5","6","7","2","2","1","1") = "6"
    & skf21("2","5","6","7","2","2","2","1") = "6"
    & skf21("2","5","6","7","2","2","3","1") = "6"
    & skf21("2","5","6","7","2","2","4","1") = "6"
    & skf21("2","5","6","7","2","2","5","1") = "6"
    & skf21("2","5","6","7","2","2","6","1") = "6"
    & skf21("2","5","6","7","2","2","7","1") = "6"
    & skf21("2","5","6","7","2","3","1","1") = "6"
    & skf21("2","5","6","7","2","3","2","1") = "6"
    & skf21("2","5","6","7","2","3","3","1") = "6"
    & skf21("2","5","6","7","2","3","4","1") = "6"
    & skf21("2","5","6","7","2","3","5","1") = "6"
    & skf21("2","5","6","7","2","3","6","1") = "6"
    & skf21("2","5","6","7","2","3","7","1") = "6"
    & skf21("2","5","6","7","2","4","1","1") = "6"
    & skf21("2","5","6","7","2","4","2","1") = "6"
    & skf21("2","5","6","7","2","4","3","1") = "6"
    & skf21("2","5","6","7","2","4","4","1") = "6"
    & skf21("2","5","6","7","2","4","5","1") = "6"
    & skf21("2","5","6","7","2","4","6","1") = "6"
    & skf21("2","5","6","7","2","4","7","1") = "6"
    & skf21("2","5","6","7","2","5","1","1") = "6"
    & skf21("2","5","6","7","2","5","2","1") = "6"
    & skf21("2","5","6","7","2","5","3","1") = "6"
    & skf21("2","5","6","7","2","5","4","1") = "6"
    & skf21("2","5","6","7","2","5","5","1") = "6"
    & skf21("2","5","6","7","2","5","6","1") = "6"
    & skf21("2","5","6","7","2","5","7","1") = "6"
    & skf21("2","5","6","7","2","6","1","1") = "6"
    & skf21("2","5","6","7","2","6","2","1") = "6"
    & skf21("2","5","6","7","2","6","3","1") = "6"
    & skf21("2","5","6","7","2","6","4","1") = "6"
    & skf21("2","5","6","7","2","6","5","1") = "6"
    & skf21("2","5","6","7","2","6","6","1") = "6"
    & skf21("2","5","6","7","2","6","7","1") = "6"
    & skf21("2","5","6","7","2","7","1","1") = "6"
    & skf21("2","5","6","7","2","7","2","1") = "6"
    & skf21("2","5","6","7","2","7","3","1") = "6"
    & skf21("2","5","6","7","2","7","4","1") = "6"
    & skf21("2","5","6","7","2","7","5","1") = "6"
    & skf21("2","5","6","7","2","7","6","1") = "6"
    & skf21("2","5","6","7","2","7","7","1") = "6"
    & skf21("2","5","6","7","3","1","1","1") = "6"
    & skf21("2","5","6","7","3","1","2","1") = "6"
    & skf21("2","5","6","7","3","1","3","1") = "6"
    & skf21("2","5","6","7","3","1","4","1") = "6"
    & skf21("2","5","6","7","3","1","5","1") = "6"
    & skf21("2","5","6","7","3","1","6","1") = "6"
    & skf21("2","5","6","7","3","1","7","1") = "6"
    & skf21("2","5","6","7","3","2","1","1") = "6"
    & skf21("2","5","6","7","3","2","2","1") = "6"
    & skf21("2","5","6","7","3","2","3","1") = "6"
    & skf21("2","5","6","7","3","2","4","1") = "6"
    & skf21("2","5","6","7","3","2","5","1") = "6"
    & skf21("2","5","6","7","3","2","6","1") = "6"
    & skf21("2","5","6","7","3","2","7","1") = "6"
    & skf21("2","5","6","7","3","3","1","1") = "6"
    & skf21("2","5","6","7","3","3","2","1") = "6"
    & skf21("2","5","6","7","3","3","3","1") = "6"
    & skf21("2","5","6","7","3","3","4","1") = "6"
    & skf21("2","5","6","7","3","3","5","1") = "6"
    & skf21("2","5","6","7","3","3","6","1") = "6"
    & skf21("2","5","6","7","3","3","7","1") = "6"
    & skf21("2","5","6","7","3","4","1","1") = "6"
    & skf21("2","5","6","7","3","4","2","1") = "6"
    & skf21("2","5","6","7","3","4","3","1") = "6"
    & skf21("2","5","6","7","3","4","4","1") = "6"
    & skf21("2","5","6","7","3","4","5","1") = "6"
    & skf21("2","5","6","7","3","4","6","1") = "6"
    & skf21("2","5","6","7","3","4","7","1") = "6"
    & skf21("2","5","6","7","3","5","1","1") = "6"
    & skf21("2","5","6","7","3","5","2","1") = "6"
    & skf21("2","5","6","7","3","5","3","1") = "6"
    & skf21("2","5","6","7","3","5","4","1") = "6"
    & skf21("2","5","6","7","3","5","5","1") = "6"
    & skf21("2","5","6","7","3","5","6","1") = "6"
    & skf21("2","5","6","7","3","5","7","1") = "6"
    & skf21("2","5","6","7","3","6","1","1") = "6"
    & skf21("2","5","6","7","3","6","2","1") = "6"
    & skf21("2","5","6","7","3","6","3","1") = "6"
    & skf21("2","5","6","7","3","6","4","1") = "6"
    & skf21("2","5","6","7","3","6","5","1") = "6"
    & skf21("2","5","6","7","3","6","6","1") = "6"
    & skf21("2","5","6","7","3","6","7","1") = "6"
    & skf21("2","5","6","7","3","7","1","1") = "6"
    & skf21("2","5","6","7","3","7","2","1") = "6"
    & skf21("2","5","6","7","3","7","3","1") = "6"
    & skf21("2","5","6","7","3","7","4","1") = "6"
    & skf21("2","5","6","7","3","7","5","1") = "6"
    & skf21("2","5","6","7","3","7","6","1") = "6"
    & skf21("2","5","6","7","3","7","7","1") = "6"
    & skf21("2","5","6","7","4","1","1","1") = "6"
    & skf21("2","5","6","7","4","1","2","1") = "6"
    & skf21("2","5","6","7","4","1","3","1") = "6"
    & skf21("2","5","6","7","4","1","4","1") = "6"
    & skf21("2","5","6","7","4","1","5","1") = "6"
    & skf21("2","5","6","7","4","1","6","1") = "6"
    & skf21("2","5","6","7","4","1","7","1") = "6"
    & skf21("2","5","6","7","4","2","1","1") = "6"
    & skf21("2","5","6","7","4","2","2","1") = "6"
    & skf21("2","5","6","7","4","2","3","1") = "6"
    & skf21("2","5","6","7","4","2","4","1") = "6"
    & skf21("2","5","6","7","4","2","5","1") = "6"
    & skf21("2","5","6","7","4","2","6","1") = "6"
    & skf21("2","5","6","7","4","2","7","1") = "6"
    & skf21("2","5","6","7","4","3","1","1") = "6"
    & skf21("2","5","6","7","4","3","2","1") = "6"
    & skf21("2","5","6","7","4","3","3","1") = "6"
    & skf21("2","5","6","7","4","3","4","1") = "6"
    & skf21("2","5","6","7","4","3","5","1") = "6"
    & skf21("2","5","6","7","4","3","6","1") = "6"
    & skf21("2","5","6","7","4","3","7","1") = "6"
    & skf21("2","5","6","7","4","4","1","1") = "6"
    & skf21("2","5","6","7","4","4","2","1") = "6"
    & skf21("2","5","6","7","4","4","3","1") = "6"
    & skf21("2","5","6","7","4","4","4","1") = "6"
    & skf21("2","5","6","7","4","4","5","1") = "6"
    & skf21("2","5","6","7","4","4","6","1") = "6"
    & skf21("2","5","6","7","4","4","7","1") = "6"
    & skf21("2","5","6","7","4","5","1","1") = "6"
    & skf21("2","5","6","7","4","5","2","1") = "6"
    & skf21("2","5","6","7","4","5","3","1") = "6"
    & skf21("2","5","6","7","4","5","4","1") = "6"
    & skf21("2","5","6","7","4","5","5","1") = "6"
    & skf21("2","5","6","7","4","5","6","1") = "6"
    & skf21("2","5","6","7","4","5","7","1") = "6"
    & skf21("2","5","6","7","4","6","1","1") = "6"
    & skf21("2","5","6","7","4","6","2","1") = "6"
    & skf21("2","5","6","7","4","6","3","1") = "6"
    & skf21("2","5","6","7","4","6","4","1") = "6"
    & skf21("2","5","6","7","4","6","5","1") = "6"
    & skf21("2","5","6","7","4","6","6","1") = "6"
    & skf21("2","5","6","7","4","6","7","1") = "6"
    & skf21("2","5","6","7","4","7","1","1") = "6"
    & skf21("2","5","6","7","4","7","2","1") = "6"
    & skf21("2","5","6","7","4","7","3","1") = "6"
    & skf21("2","5","6","7","4","7","4","1") = "6"
    & skf21("2","5","6","7","4","7","5","1") = "6"
    & skf21("2","5","6","7","4","7","6","1") = "6"
    & skf21("2","5","6","7","4","7","7","1") = "6"
    & skf21("2","5","6","7","5","1","1","1") = "6"
    & skf21("2","5","6","7","5","1","2","1") = "6"
    & skf21("2","5","6","7","5","1","3","1") = "6"
    & skf21("2","5","6","7","5","1","4","1") = "6"
    & skf21("2","5","6","7","5","1","5","1") = "6"
    & skf21("2","5","6","7","5","1","6","1") = "6"
    & skf21("2","5","6","7","5","1","7","1") = "6"
    & skf21("2","5","6","7","5","2","1","1") = "6"
    & skf21("2","5","6","7","5","2","2","1") = "6"
    & skf21("2","5","6","7","5","2","3","1") = "6"
    & skf21("2","5","6","7","5","2","4","1") = "6"
    & skf21("2","5","6","7","5","2","5","1") = "6"
    & skf21("2","5","6","7","5","2","6","1") = "6"
    & skf21("2","5","6","7","5","2","7","1") = "6"
    & skf21("2","5","6","7","5","3","1","1") = "6"
    & skf21("2","5","6","7","5","3","2","1") = "6"
    & skf21("2","5","6","7","5","3","3","1") = "6"
    & skf21("2","5","6","7","5","3","4","1") = "6"
    & skf21("2","5","6","7","5","3","5","1") = "6"
    & skf21("2","5","6","7","5","3","6","1") = "6"
    & skf21("2","5","6","7","5","3","7","1") = "6"
    & skf21("2","5","6","7","5","4","1","1") = "6"
    & skf21("2","5","6","7","5","4","2","1") = "6"
    & skf21("2","5","6","7","5","4","3","1") = "6"
    & skf21("2","5","6","7","5","4","4","1") = "6"
    & skf21("2","5","6","7","5","4","5","1") = "6"
    & skf21("2","5","6","7","5","4","6","1") = "6"
    & skf21("2","5","6","7","5","4","7","1") = "6"
    & skf21("2","5","6","7","5","5","1","1") = "6"
    & skf21("2","5","6","7","5","5","2","1") = "6"
    & skf21("2","5","6","7","5","5","3","1") = "6"
    & skf21("2","5","6","7","5","5","4","1") = "6"
    & skf21("2","5","6","7","5","5","5","1") = "6"
    & skf21("2","5","6","7","5","5","6","1") = "6"
    & skf21("2","5","6","7","5","5","7","1") = "6"
    & skf21("2","5","6","7","5","6","1","1") = "6"
    & skf21("2","5","6","7","5","6","2","1") = "6"
    & skf21("2","5","6","7","5","6","3","1") = "6"
    & skf21("2","5","6","7","5","6","4","1") = "6"
    & skf21("2","5","6","7","5","6","5","1") = "6"
    & skf21("2","5","6","7","5","6","6","1") = "6"
    & skf21("2","5","6","7","5","6","7","1") = "6"
    & skf21("2","5","6","7","5","7","1","1") = "6"
    & skf21("2","5","6","7","5","7","2","1") = "6"
    & skf21("2","5","6","7","5","7","3","1") = "6"
    & skf21("2","5","6","7","5","7","4","1") = "6"
    & skf21("2","5","6","7","5","7","5","1") = "6"
    & skf21("2","5","6","7","5","7","6","1") = "6"
    & skf21("2","5","6","7","5","7","7","1") = "6"
    & skf21("2","5","6","7","6","1","1","1") = "6"
    & skf21("2","5","6","7","6","1","2","1") = "6"
    & skf21("2","5","6","7","6","1","3","1") = "6"
    & skf21("2","5","6","7","6","1","4","1") = "6"
    & skf21("2","5","6","7","6","1","5","1") = "6"
    & skf21("2","5","6","7","6","1","6","1") = "6"
    & skf21("2","5","6","7","6","1","7","1") = "6"
    & skf21("2","5","6","7","6","2","1","1") = "6"
    & skf21("2","5","6","7","6","2","2","1") = "6"
    & skf21("2","5","6","7","6","2","3","1") = "6"
    & skf21("2","5","6","7","6","2","4","1") = "6"
    & skf21("2","5","6","7","6","2","5","1") = "6"
    & skf21("2","5","6","7","6","2","6","1") = "6"
    & skf21("2","5","6","7","6","2","7","1") = "6"
    & skf21("2","5","6","7","6","3","1","1") = "6"
    & skf21("2","5","6","7","6","3","2","1") = "6"
    & skf21("2","5","6","7","6","3","3","1") = "6"
    & skf21("2","5","6","7","6","3","4","1") = "6"
    & skf21("2","5","6","7","6","3","5","1") = "6"
    & skf21("2","5","6","7","6","3","6","1") = "6"
    & skf21("2","5","6","7","6","3","7","1") = "6"
    & skf21("2","5","6","7","6","4","1","1") = "6"
    & skf21("2","5","6","7","6","4","2","1") = "6"
    & skf21("2","5","6","7","6","4","3","1") = "6"
    & skf21("2","5","6","7","6","4","4","1") = "6"
    & skf21("2","5","6","7","6","4","5","1") = "6"
    & skf21("2","5","6","7","6","4","6","1") = "6"
    & skf21("2","5","6","7","6","4","7","1") = "6"
    & skf21("2","5","6","7","6","5","1","1") = "6"
    & skf21("2","5","6","7","6","5","2","1") = "6"
    & skf21("2","5","6","7","6","5","3","1") = "6"
    & skf21("2","5","6","7","6","5","4","1") = "6"
    & skf21("2","5","6","7","6","5","5","1") = "6"
    & skf21("2","5","6","7","6","5","6","1") = "6"
    & skf21("2","5","6","7","6","5","7","1") = "6"
    & skf21("2","5","6","7","6","6","1","1") = "6"
    & skf21("2","5","6","7","6","6","2","1") = "6"
    & skf21("2","5","6","7","6","6","3","1") = "6"
    & skf21("2","5","6","7","6","6","4","1") = "6"
    & skf21("2","5","6","7","6","6","5","1") = "6"
    & skf21("2","5","6","7","6","6","6","1") = "6"
    & skf21("2","5","6","7","6","6","7","1") = "6"
    & skf21("2","5","6","7","6","7","1","1") = "6"
    & skf21("2","5","6","7","6","7","2","1") = "6"
    & skf21("2","5","6","7","6","7","3","1") = "6"
    & skf21("2","5","6","7","6","7","4","1") = "6"
    & skf21("2","5","6","7","6","7","5","1") = "6"
    & skf21("2","5","6","7","6","7","6","1") = "6"
    & skf21("2","5","6","7","6","7","7","1") = "6"
    & skf21("2","5","6","7","7","1","1","1") = "6"
    & skf21("2","5","6","7","7","1","2","1") = "6"
    & skf21("2","5","6","7","7","1","3","1") = "6"
    & skf21("2","5","6","7","7","1","4","1") = "6"
    & skf21("2","5","6","7","7","1","5","1") = "6"
    & skf21("2","5","6","7","7","1","6","1") = "6"
    & skf21("2","5","6","7","7","1","7","1") = "6"
    & skf21("2","5","6","7","7","2","1","1") = "6"
    & skf21("2","5","6","7","7","2","2","1") = "6"
    & skf21("2","5","6","7","7","2","3","1") = "6"
    & skf21("2","5","6","7","7","2","4","1") = "6"
    & skf21("2","5","6","7","7","2","5","1") = "6"
    & skf21("2","5","6","7","7","2","6","1") = "6"
    & skf21("2","5","6","7","7","2","7","1") = "6"
    & skf21("2","5","6","7","7","3","1","1") = "6"
    & skf21("2","5","6","7","7","3","2","1") = "6"
    & skf21("2","5","6","7","7","3","3","1") = "6"
    & skf21("2","5","6","7","7","3","4","1") = "6"
    & skf21("2","5","6","7","7","3","5","1") = "6"
    & skf21("2","5","6","7","7","3","6","1") = "6"
    & skf21("2","5","6","7","7","3","7","1") = "6"
    & skf21("2","5","6","7","7","4","1","1") = "6"
    & skf21("2","5","6","7","7","4","2","1") = "6"
    & skf21("2","5","6","7","7","4","3","1") = "6"
    & skf21("2","5","6","7","7","4","4","1") = "6"
    & skf21("2","5","6","7","7","4","5","1") = "6"
    & skf21("2","5","6","7","7","4","6","1") = "6"
    & skf21("2","5","6","7","7","4","7","1") = "6"
    & skf21("2","5","6","7","7","5","1","1") = "6"
    & skf21("2","5","6","7","7","5","2","1") = "6"
    & skf21("2","5","6","7","7","5","3","1") = "6"
    & skf21("2","5","6","7","7","5","4","1") = "6"
    & skf21("2","5","6","7","7","5","5","1") = "6"
    & skf21("2","5","6","7","7","5","6","1") = "6"
    & skf21("2","5","6","7","7","5","7","1") = "6"
    & skf21("2","5","6","7","7","6","1","1") = "6"
    & skf21("2","5","6","7","7","6","2","1") = "6"
    & skf21("2","5","6","7","7","6","3","1") = "6"
    & skf21("2","5","6","7","7","6","4","1") = "6"
    & skf21("2","5","6","7","7","6","5","1") = "6"
    & skf21("2","5","6","7","7","6","6","1") = "6"
    & skf21("2","5","6","7","7","6","7","1") = "6"
    & skf21("2","5","6","7","7","7","1","1") = "6"
    & skf21("2","5","6","7","7","7","2","1") = "6"
    & skf21("2","5","6","7","7","7","3","1") = "6"
    & skf21("2","5","6","7","7","7","4","1") = "6"
    & skf21("2","5","6","7","7","7","5","1") = "6"
    & skf21("2","5","6","7","7","7","6","1") = "6"
    & skf21("2","5","6","7","7","7","7","1") = "6"
    & skf21("2","5","7","1","1","1","1","1") = "6"
    & skf21("2","5","7","1","1","1","2","1") = "6"
    & skf21("2","5","7","1","1","1","3","1") = "6"
    & skf21("2","5","7","1","1","1","4","1") = "6"
    & skf21("2","5","7","1","1","1","5","1") = "6"
    & skf21("2","5","7","1","1","1","6","1") = "6"
    & skf21("2","5","7","1","1","1","7","1") = "6"
    & skf21("2","5","7","1","1","2","1","1") = "6"
    & skf21("2","5","7","1","1","2","2","1") = "6"
    & skf21("2","5","7","1","1","2","3","1") = "6"
    & skf21("2","5","7","1","1","2","4","1") = "6"
    & skf21("2","5","7","1","1","2","5","1") = "6"
    & skf21("2","5","7","1","1","2","6","1") = "6"
    & skf21("2","5","7","1","1","2","7","1") = "6"
    & skf21("2","5","7","1","1","3","1","1") = "6"
    & skf21("2","5","7","1","1","3","2","1") = "6"
    & skf21("2","5","7","1","1","3","3","1") = "6"
    & skf21("2","5","7","1","1","3","4","1") = "6"
    & skf21("2","5","7","1","1","3","5","1") = "6"
    & skf21("2","5","7","1","1","3","6","1") = "6"
    & skf21("2","5","7","1","1","3","7","1") = "6"
    & skf21("2","5","7","1","1","4","1","1") = "6"
    & skf21("2","5","7","1","1","4","2","1") = "6"
    & skf21("2","5","7","1","1","4","3","1") = "6"
    & skf21("2","5","7","1","1","4","4","1") = "6"
    & skf21("2","5","7","1","1","4","5","1") = "6"
    & skf21("2","5","7","1","1","4","6","1") = "6"
    & skf21("2","5","7","1","1","4","7","1") = "6"
    & skf21("2","5","7","1","1","5","1","1") = "6"
    & skf21("2","5","7","1","1","5","2","1") = "6"
    & skf21("2","5","7","1","1","5","3","1") = "6"
    & skf21("2","5","7","1","1","5","4","1") = "6"
    & skf21("2","5","7","1","1","5","5","1") = "6"
    & skf21("2","5","7","1","1","5","6","1") = "6"
    & skf21("2","5","7","1","1","5","7","1") = "6"
    & skf21("2","5","7","1","1","6","1","1") = "6"
    & skf21("2","5","7","1","1","6","2","1") = "6"
    & skf21("2","5","7","1","1","6","3","1") = "6"
    & skf21("2","5","7","1","1","6","4","1") = "6"
    & skf21("2","5","7","1","1","6","5","1") = "6"
    & skf21("2","5","7","1","1","6","6","1") = "6"
    & skf21("2","5","7","1","1","6","7","1") = "6"
    & skf21("2","5","7","1","1","7","1","1") = "6"
    & skf21("2","5","7","1","1","7","2","1") = "6"
    & skf21("2","5","7","1","1","7","3","1") = "6"
    & skf21("2","5","7","1","1","7","4","1") = "6"
    & skf21("2","5","7","1","1","7","5","1") = "6"
    & skf21("2","5","7","1","1","7","6","1") = "6"
    & skf21("2","5","7","1","1","7","7","1") = "6"
    & skf21("2","5","7","1","2","1","1","1") = "6"
    & skf21("2","5","7","1","2","1","2","1") = "6"
    & skf21("2","5","7","1","2","1","3","1") = "6"
    & skf21("2","5","7","1","2","1","4","1") = "6"
    & skf21("2","5","7","1","2","1","5","1") = "6"
    & skf21("2","5","7","1","2","1","6","1") = "6"
    & skf21("2","5","7","1","2","1","7","1") = "6"
    & skf21("2","5","7","1","2","2","1","1") = "6"
    & skf21("2","5","7","1","2","2","2","1") = "6"
    & skf21("2","5","7","1","2","2","3","1") = "6"
    & skf21("2","5","7","1","2","2","4","1") = "6"
    & skf21("2","5","7","1","2","2","5","1") = "6"
    & skf21("2","5","7","1","2","2","6","1") = "6"
    & skf21("2","5","7","1","2","2","7","1") = "6"
    & skf21("2","5","7","1","2","3","1","1") = "6"
    & skf21("2","5","7","1","2","3","2","1") = "6"
    & skf21("2","5","7","1","2","3","3","1") = "6"
    & skf21("2","5","7","1","2","3","4","1") = "6"
    & skf21("2","5","7","1","2","3","5","1") = "6"
    & skf21("2","5","7","1","2","3","6","1") = "6"
    & skf21("2","5","7","1","2","3","7","1") = "6"
    & skf21("2","5","7","1","2","4","1","1") = "6"
    & skf21("2","5","7","1","2","4","2","1") = "6"
    & skf21("2","5","7","1","2","4","3","1") = "6"
    & skf21("2","5","7","1","2","4","4","1") = "6"
    & skf21("2","5","7","1","2","4","5","1") = "6"
    & skf21("2","5","7","1","2","4","6","1") = "6"
    & skf21("2","5","7","1","2","4","7","1") = "6"
    & skf21("2","5","7","1","2","5","1","1") = "6"
    & skf21("2","5","7","1","2","5","2","1") = "6"
    & skf21("2","5","7","1","2","5","3","1") = "6"
    & skf21("2","5","7","1","2","5","4","1") = "6"
    & skf21("2","5","7","1","2","5","5","1") = "6"
    & skf21("2","5","7","1","2","5","6","1") = "6"
    & skf21("2","5","7","1","2","5","7","1") = "6"
    & skf21("2","5","7","1","2","6","1","1") = "6"
    & skf21("2","5","7","1","2","6","2","1") = "6"
    & skf21("2","5","7","1","2","6","3","1") = "6"
    & skf21("2","5","7","1","2","6","4","1") = "6"
    & skf21("2","5","7","1","2","6","5","1") = "6"
    & skf21("2","5","7","1","2","6","6","1") = "6"
    & skf21("2","5","7","1","2","6","7","1") = "6"
    & skf21("2","5","7","1","2","7","1","1") = "6"
    & skf21("2","5","7","1","2","7","2","1") = "6"
    & skf21("2","5","7","1","2","7","3","1") = "6"
    & skf21("2","5","7","1","2","7","4","1") = "6"
    & skf21("2","5","7","1","2","7","5","1") = "6"
    & skf21("2","5","7","1","2","7","6","1") = "6"
    & skf21("2","5","7","1","2","7","7","1") = "6"
    & skf21("2","5","7","1","3","1","1","1") = "6"
    & skf21("2","5","7","1","3","1","2","1") = "6"
    & skf21("2","5","7","1","3","1","3","1") = "6"
    & skf21("2","5","7","1","3","1","4","1") = "6"
    & skf21("2","5","7","1","3","1","5","1") = "6"
    & skf21("2","5","7","1","3","1","6","1") = "6"
    & skf21("2","5","7","1","3","1","7","1") = "6"
    & skf21("2","5","7","1","3","2","1","1") = "6"
    & skf21("2","5","7","1","3","2","2","1") = "6"
    & skf21("2","5","7","1","3","2","3","1") = "6"
    & skf21("2","5","7","1","3","2","4","1") = "6"
    & skf21("2","5","7","1","3","2","5","1") = "6"
    & skf21("2","5","7","1","3","2","6","1") = "6"
    & skf21("2","5","7","1","3","2","7","1") = "6"
    & skf21("2","5","7","1","3","3","1","1") = "6"
    & skf21("2","5","7","1","3","3","2","1") = "6"
    & skf21("2","5","7","1","3","3","3","1") = "6"
    & skf21("2","5","7","1","3","3","4","1") = "6"
    & skf21("2","5","7","1","3","3","5","1") = "6"
    & skf21("2","5","7","1","3","3","6","1") = "6"
    & skf21("2","5","7","1","3","3","7","1") = "6"
    & skf21("2","5","7","1","3","4","1","1") = "6"
    & skf21("2","5","7","1","3","4","2","1") = "6"
    & skf21("2","5","7","1","3","4","3","1") = "6"
    & skf21("2","5","7","1","3","4","4","1") = "6"
    & skf21("2","5","7","1","3","4","5","1") = "6"
    & skf21("2","5","7","1","3","4","6","1") = "6"
    & skf21("2","5","7","1","3","4","7","1") = "6"
    & skf21("2","5","7","1","3","5","1","1") = "6"
    & skf21("2","5","7","1","3","5","2","1") = "6"
    & skf21("2","5","7","1","3","5","3","1") = "6"
    & skf21("2","5","7","1","3","5","4","1") = "6"
    & skf21("2","5","7","1","3","5","5","1") = "6"
    & skf21("2","5","7","1","3","5","6","1") = "6"
    & skf21("2","5","7","1","3","5","7","1") = "6"
    & skf21("2","5","7","1","3","6","1","1") = "6"
    & skf21("2","5","7","1","3","6","2","1") = "6"
    & skf21("2","5","7","1","3","6","3","1") = "6"
    & skf21("2","5","7","1","3","6","4","1") = "6"
    & skf21("2","5","7","1","3","6","5","1") = "6"
    & skf21("2","5","7","1","3","6","6","1") = "6"
    & skf21("2","5","7","1","3","6","7","1") = "6"
    & skf21("2","5","7","1","3","7","1","1") = "6"
    & skf21("2","5","7","1","3","7","2","1") = "6"
    & skf21("2","5","7","1","3","7","3","1") = "6"
    & skf21("2","5","7","1","3","7","4","1") = "6"
    & skf21("2","5","7","1","3","7","5","1") = "6"
    & skf21("2","5","7","1","3","7","6","1") = "6"
    & skf21("2","5","7","1","3","7","7","1") = "6"
    & skf21("2","5","7","1","4","1","1","1") = "6"
    & skf21("2","5","7","1","4","1","2","1") = "6"
    & skf21("2","5","7","1","4","1","3","1") = "6"
    & skf21("2","5","7","1","4","1","4","1") = "6"
    & skf21("2","5","7","1","4","1","5","1") = "6"
    & skf21("2","5","7","1","4","1","6","1") = "6"
    & skf21("2","5","7","1","4","1","7","1") = "6"
    & skf21("2","5","7","1","4","2","1","1") = "6"
    & skf21("2","5","7","1","4","2","2","1") = "6"
    & skf21("2","5","7","1","4","2","3","1") = "6"
    & skf21("2","5","7","1","4","2","4","1") = "6"
    & skf21("2","5","7","1","4","2","5","1") = "6"
    & skf21("2","5","7","1","4","2","6","1") = "6"
    & skf21("2","5","7","1","4","2","7","1") = "6"
    & skf21("2","5","7","1","4","3","1","1") = "6"
    & skf21("2","5","7","1","4","3","2","1") = "6"
    & skf21("2","5","7","1","4","3","3","1") = "6"
    & skf21("2","5","7","1","4","3","4","1") = "6"
    & skf21("2","5","7","1","4","3","5","1") = "6"
    & skf21("2","5","7","1","4","3","6","1") = "6"
    & skf21("2","5","7","1","4","3","7","1") = "6"
    & skf21("2","5","7","1","4","4","1","1") = "6"
    & skf21("2","5","7","1","4","4","2","1") = "6"
    & skf21("2","5","7","1","4","4","3","1") = "6"
    & skf21("2","5","7","1","4","4","4","1") = "6"
    & skf21("2","5","7","1","4","4","5","1") = "6"
    & skf21("2","5","7","1","4","4","6","1") = "6"
    & skf21("2","5","7","1","4","4","7","1") = "6"
    & skf21("2","5","7","1","4","5","1","1") = "6"
    & skf21("2","5","7","1","4","5","2","1") = "6"
    & skf21("2","5","7","1","4","5","3","1") = "6"
    & skf21("2","5","7","1","4","5","4","1") = "6"
    & skf21("2","5","7","1","4","5","5","1") = "6"
    & skf21("2","5","7","1","4","5","6","1") = "6"
    & skf21("2","5","7","1","4","5","7","1") = "6"
    & skf21("2","5","7","1","4","6","1","1") = "6"
    & skf21("2","5","7","1","4","6","2","1") = "6"
    & skf21("2","5","7","1","4","6","3","1") = "6"
    & skf21("2","5","7","1","4","6","4","1") = "6"
    & skf21("2","5","7","1","4","6","5","1") = "6"
    & skf21("2","5","7","1","4","6","6","1") = "6"
    & skf21("2","5","7","1","4","6","7","1") = "6"
    & skf21("2","5","7","1","4","7","1","1") = "6"
    & skf21("2","5","7","1","4","7","2","1") = "6"
    & skf21("2","5","7","1","4","7","3","1") = "6"
    & skf21("2","5","7","1","4","7","4","1") = "6"
    & skf21("2","5","7","1","4","7","5","1") = "6"
    & skf21("2","5","7","1","4","7","6","1") = "6"
    & skf21("2","5","7","1","4","7","7","1") = "6"
    & skf21("2","5","7","1","5","1","1","1") = "6"
    & skf21("2","5","7","1","5","1","2","1") = "6"
    & skf21("2","5","7","1","5","1","3","1") = "6"
    & skf21("2","5","7","1","5","1","4","1") = "6"
    & skf21("2","5","7","1","5","1","5","1") = "6"
    & skf21("2","5","7","1","5","1","6","1") = "6"
    & skf21("2","5","7","1","5","1","7","1") = "6"
    & skf21("2","5","7","1","5","2","1","1") = "6"
    & skf21("2","5","7","1","5","2","2","1") = "6"
    & skf21("2","5","7","1","5","2","3","1") = "6"
    & skf21("2","5","7","1","5","2","4","1") = "6"
    & skf21("2","5","7","1","5","2","5","1") = "6"
    & skf21("2","5","7","1","5","2","6","1") = "6"
    & skf21("2","5","7","1","5","2","7","1") = "6"
    & skf21("2","5","7","1","5","3","1","1") = "6"
    & skf21("2","5","7","1","5","3","2","1") = "6"
    & skf21("2","5","7","1","5","3","3","1") = "6"
    & skf21("2","5","7","1","5","3","4","1") = "6"
    & skf21("2","5","7","1","5","3","5","1") = "6"
    & skf21("2","5","7","1","5","3","6","1") = "6"
    & skf21("2","5","7","1","5","3","7","1") = "6"
    & skf21("2","5","7","1","5","4","1","1") = "6"
    & skf21("2","5","7","1","5","4","2","1") = "6"
    & skf21("2","5","7","1","5","4","3","1") = "6"
    & skf21("2","5","7","1","5","4","4","1") = "6"
    & skf21("2","5","7","1","5","4","5","1") = "6"
    & skf21("2","5","7","1","5","4","6","1") = "6"
    & skf21("2","5","7","1","5","4","7","1") = "6"
    & skf21("2","5","7","1","5","5","1","1") = "6"
    & skf21("2","5","7","1","5","5","2","1") = "6"
    & skf21("2","5","7","1","5","5","3","1") = "6"
    & skf21("2","5","7","1","5","5","4","1") = "6"
    & skf21("2","5","7","1","5","5","5","1") = "6"
    & skf21("2","5","7","1","5","5","6","1") = "6"
    & skf21("2","5","7","1","5","5","7","1") = "6"
    & skf21("2","5","7","1","5","6","1","1") = "6"
    & skf21("2","5","7","1","5","6","2","1") = "6"
    & skf21("2","5","7","1","5","6","3","1") = "6"
    & skf21("2","5","7","1","5","6","4","1") = "6"
    & skf21("2","5","7","1","5","6","5","1") = "6"
    & skf21("2","5","7","1","5","6","6","1") = "6"
    & skf21("2","5","7","1","5","6","7","1") = "6"
    & skf21("2","5","7","1","5","7","1","1") = "6"
    & skf21("2","5","7","1","5","7","2","1") = "6"
    & skf21("2","5","7","1","5","7","3","1") = "6"
    & skf21("2","5","7","1","5","7","4","1") = "6"
    & skf21("2","5","7","1","5","7","5","1") = "6"
    & skf21("2","5","7","1","5","7","6","1") = "6"
    & skf21("2","5","7","1","5","7","7","1") = "6"
    & skf21("2","5","7","1","6","1","1","1") = "6"
    & skf21("2","5","7","1","6","1","2","1") = "6"
    & skf21("2","5","7","1","6","1","3","1") = "6"
    & skf21("2","5","7","1","6","1","4","1") = "6"
    & skf21("2","5","7","1","6","1","5","1") = "6"
    & skf21("2","5","7","1","6","1","6","1") = "6"
    & skf21("2","5","7","1","6","1","7","1") = "6"
    & skf21("2","5","7","1","6","2","1","1") = "6"
    & skf21("2","5","7","1","6","2","2","1") = "6"
    & skf21("2","5","7","1","6","2","3","1") = "6"
    & skf21("2","5","7","1","6","2","4","1") = "6"
    & skf21("2","5","7","1","6","2","5","1") = "6"
    & skf21("2","5","7","1","6","2","6","1") = "6"
    & skf21("2","5","7","1","6","2","7","1") = "6"
    & skf21("2","5","7","1","6","3","1","1") = "6"
    & skf21("2","5","7","1","6","3","2","1") = "6"
    & skf21("2","5","7","1","6","3","3","1") = "6"
    & skf21("2","5","7","1","6","3","4","1") = "6"
    & skf21("2","5","7","1","6","3","5","1") = "6"
    & skf21("2","5","7","1","6","3","6","1") = "6"
    & skf21("2","5","7","1","6","3","7","1") = "6"
    & skf21("2","5","7","1","6","4","1","1") = "6"
    & skf21("2","5","7","1","6","4","2","1") = "6"
    & skf21("2","5","7","1","6","4","3","1") = "6"
    & skf21("2","5","7","1","6","4","4","1") = "6"
    & skf21("2","5","7","1","6","4","5","1") = "6"
    & skf21("2","5","7","1","6","4","6","1") = "6"
    & skf21("2","5","7","1","6","4","7","1") = "6"
    & skf21("2","5","7","1","6","5","1","1") = "6"
    & skf21("2","5","7","1","6","5","2","1") = "6"
    & skf21("2","5","7","1","6","5","3","1") = "6"
    & skf21("2","5","7","1","6","5","4","1") = "6"
    & skf21("2","5","7","1","6","5","5","1") = "6"
    & skf21("2","5","7","1","6","5","6","1") = "6"
    & skf21("2","5","7","1","6","5","7","1") = "6"
    & skf21("2","5","7","1","6","6","1","1") = "6"
    & skf21("2","5","7","1","6","6","2","1") = "6"
    & skf21("2","5","7","1","6","6","3","1") = "6"
    & skf21("2","5","7","1","6","6","4","1") = "6"
    & skf21("2","5","7","1","6","6","5","1") = "6"
    & skf21("2","5","7","1","6","6","6","1") = "6"
    & skf21("2","5","7","1","6","6","7","1") = "6"
    & skf21("2","5","7","1","6","7","1","1") = "6"
    & skf21("2","5","7","1","6","7","2","1") = "6"
    & skf21("2","5","7","1","6","7","3","1") = "6"
    & skf21("2","5","7","1","6","7","4","1") = "6"
    & skf21("2","5","7","1","6","7","5","1") = "6"
    & skf21("2","5","7","1","6","7","6","1") = "6"
    & skf21("2","5","7","1","6","7","7","1") = "6"
    & skf21("2","5","7","1","7","1","1","1") = "6"
    & skf21("2","5","7","1","7","1","2","1") = "6"
    & skf21("2","5","7","1","7","1","3","1") = "6"
    & skf21("2","5","7","1","7","1","4","1") = "6"
    & skf21("2","5","7","1","7","1","5","1") = "6"
    & skf21("2","5","7","1","7","1","6","1") = "6"
    & skf21("2","5","7","1","7","1","7","1") = "6"
    & skf21("2","5","7","1","7","2","1","1") = "6"
    & skf21("2","5","7","1","7","2","2","1") = "6"
    & skf21("2","5","7","1","7","2","3","1") = "6"
    & skf21("2","5","7","1","7","2","4","1") = "6"
    & skf21("2","5","7","1","7","2","5","1") = "6"
    & skf21("2","5","7","1","7","2","6","1") = "6"
    & skf21("2","5","7","1","7","2","7","1") = "6"
    & skf21("2","5","7","1","7","3","1","1") = "6"
    & skf21("2","5","7","1","7","3","2","1") = "6"
    & skf21("2","5","7","1","7","3","3","1") = "6"
    & skf21("2","5","7","1","7","3","4","1") = "6"
    & skf21("2","5","7","1","7","3","5","1") = "6"
    & skf21("2","5","7","1","7","3","6","1") = "6"
    & skf21("2","5","7","1","7","3","7","1") = "6"
    & skf21("2","5","7","1","7","4","1","1") = "6"
    & skf21("2","5","7","1","7","4","2","1") = "6"
    & skf21("2","5","7","1","7","4","3","1") = "6"
    & skf21("2","5","7","1","7","4","4","1") = "6"
    & skf21("2","5","7","1","7","4","5","1") = "6"
    & skf21("2","5","7","1","7","4","6","1") = "6"
    & skf21("2","5","7","1","7","4","7","1") = "6"
    & skf21("2","5","7","1","7","5","1","1") = "6"
    & skf21("2","5","7","1","7","5","2","1") = "6"
    & skf21("2","5","7","1","7","5","3","1") = "6"
    & skf21("2","5","7","1","7","5","4","1") = "6"
    & skf21("2","5","7","1","7","5","5","1") = "6"
    & skf21("2","5","7","1","7","5","6","1") = "6"
    & skf21("2","5","7","1","7","5","7","1") = "6"
    & skf21("2","5","7","1","7","6","1","1") = "6"
    & skf21("2","5","7","1","7","6","2","1") = "6"
    & skf21("2","5","7","1","7","6","3","1") = "6"
    & skf21("2","5","7","1","7","6","4","1") = "6"
    & skf21("2","5","7","1","7","6","5","1") = "6"
    & skf21("2","5","7","1","7","6","6","1") = "6"
    & skf21("2","5","7","1","7","6","7","1") = "6"
    & skf21("2","5","7","1","7","7","1","1") = "6"
    & skf21("2","5","7","1","7","7","2","1") = "6"
    & skf21("2","5","7","1","7","7","3","1") = "6"
    & skf21("2","5","7","1","7","7","4","1") = "6"
    & skf21("2","5","7","1","7","7","5","1") = "6"
    & skf21("2","5","7","1","7","7","6","1") = "6"
    & skf21("2","5","7","1","7","7","7","1") = "6"
    & skf21("2","5","7","2","1","1","1","1") = "6"
    & skf21("2","5","7","2","1","1","2","1") = "6"
    & skf21("2","5","7","2","1","1","3","1") = "6"
    & skf21("2","5","7","2","1","1","4","1") = "6"
    & skf21("2","5","7","2","1","1","5","1") = "6"
    & skf21("2","5","7","2","1","1","6","1") = "6"
    & skf21("2","5","7","2","1","1","7","1") = "6"
    & skf21("2","5","7","2","1","2","1","1") = "6"
    & skf21("2","5","7","2","1","2","2","1") = "6"
    & skf21("2","5","7","2","1","2","3","1") = "6"
    & skf21("2","5","7","2","1","2","4","1") = "6"
    & skf21("2","5","7","2","1","2","5","1") = "6"
    & skf21("2","5","7","2","1","2","6","1") = "6"
    & skf21("2","5","7","2","1","2","7","1") = "6"
    & skf21("2","5","7","2","1","3","1","1") = "6"
    & skf21("2","5","7","2","1","3","2","1") = "6"
    & skf21("2","5","7","2","1","3","3","1") = "6"
    & skf21("2","5","7","2","1","3","4","1") = "6"
    & skf21("2","5","7","2","1","3","5","1") = "6"
    & skf21("2","5","7","2","1","3","6","1") = "6"
    & skf21("2","5","7","2","1","3","7","1") = "6"
    & skf21("2","5","7","2","1","4","1","1") = "6"
    & skf21("2","5","7","2","1","4","2","1") = "6"
    & skf21("2","5","7","2","1","4","3","1") = "6"
    & skf21("2","5","7","2","1","4","4","1") = "6"
    & skf21("2","5","7","2","1","4","5","1") = "6"
    & skf21("2","5","7","2","1","4","6","1") = "6"
    & skf21("2","5","7","2","1","4","7","1") = "6"
    & skf21("2","5","7","2","1","5","1","1") = "6"
    & skf21("2","5","7","2","1","5","2","1") = "6"
    & skf21("2","5","7","2","1","5","3","1") = "6"
    & skf21("2","5","7","2","1","5","4","1") = "6"
    & skf21("2","5","7","2","1","5","5","1") = "6"
    & skf21("2","5","7","2","1","5","6","1") = "6"
    & skf21("2","5","7","2","1","5","7","1") = "6"
    & skf21("2","5","7","2","1","6","1","1") = "6"
    & skf21("2","5","7","2","1","6","2","1") = "6"
    & skf21("2","5","7","2","1","6","3","1") = "6"
    & skf21("2","5","7","2","1","6","4","1") = "6"
    & skf21("2","5","7","2","1","6","5","1") = "6"
    & skf21("2","5","7","2","1","6","6","1") = "6"
    & skf21("2","5","7","2","1","6","7","1") = "6"
    & skf21("2","5","7","2","1","7","1","1") = "6"
    & skf21("2","5","7","2","1","7","2","1") = "6"
    & skf21("2","5","7","2","1","7","3","1") = "6"
    & skf21("2","5","7","2","1","7","4","1") = "6"
    & skf21("2","5","7","2","1","7","5","1") = "6"
    & skf21("2","5","7","2","1","7","6","1") = "6"
    & skf21("2","5","7","2","1","7","7","1") = "6"
    & skf21("2","5","7","2","2","1","1","1") = "6"
    & skf21("2","5","7","2","2","1","2","1") = "6"
    & skf21("2","5","7","2","2","1","3","1") = "6"
    & skf21("2","5","7","2","2","1","4","1") = "6"
    & skf21("2","5","7","2","2","1","5","1") = "6"
    & skf21("2","5","7","2","2","1","6","1") = "6"
    & skf21("2","5","7","2","2","1","7","1") = "6"
    & skf21("2","5","7","2","2","2","1","1") = "6"
    & skf21("2","5","7","2","2","2","2","1") = "6"
    & skf21("2","5","7","2","2","2","3","1") = "6"
    & skf21("2","5","7","2","2","2","4","1") = "6"
    & skf21("2","5","7","2","2","2","5","1") = "6"
    & skf21("2","5","7","2","2","2","6","1") = "6"
    & skf21("2","5","7","2","2","2","7","1") = "6"
    & skf21("2","5","7","2","2","3","1","1") = "6"
    & skf21("2","5","7","2","2","3","2","1") = "6"
    & skf21("2","5","7","2","2","3","3","1") = "6"
    & skf21("2","5","7","2","2","3","4","1") = "6"
    & skf21("2","5","7","2","2","3","5","1") = "6"
    & skf21("2","5","7","2","2","3","6","1") = "6"
    & skf21("2","5","7","2","2","3","7","1") = "6"
    & skf21("2","5","7","2","2","4","1","1") = "6"
    & skf21("2","5","7","2","2","4","2","1") = "6"
    & skf21("2","5","7","2","2","4","3","1") = "6"
    & skf21("2","5","7","2","2","4","4","1") = "6"
    & skf21("2","5","7","2","2","4","5","1") = "6"
    & skf21("2","5","7","2","2","4","6","1") = "6"
    & skf21("2","5","7","2","2","4","7","1") = "6"
    & skf21("2","5","7","2","2","5","1","1") = "6"
    & skf21("2","5","7","2","2","5","2","1") = "6"
    & skf21("2","5","7","2","2","5","3","1") = "6"
    & skf21("2","5","7","2","2","5","4","1") = "6"
    & skf21("2","5","7","2","2","5","5","1") = "6"
    & skf21("2","5","7","2","2","5","6","1") = "6"
    & skf21("2","5","7","2","2","5","7","1") = "6"
    & skf21("2","5","7","2","2","6","1","1") = "6"
    & skf21("2","5","7","2","2","6","2","1") = "6"
    & skf21("2","5","7","2","2","6","3","1") = "6"
    & skf21("2","5","7","2","2","6","4","1") = "6"
    & skf21("2","5","7","2","2","6","5","1") = "6"
    & skf21("2","5","7","2","2","6","6","1") = "6"
    & skf21("2","5","7","2","2","6","7","1") = "6"
    & skf21("2","5","7","2","2","7","1","1") = "6"
    & skf21("2","5","7","2","2","7","2","1") = "6"
    & skf21("2","5","7","2","2","7","3","1") = "6"
    & skf21("2","5","7","2","2","7","4","1") = "6"
    & skf21("2","5","7","2","2","7","5","1") = "6"
    & skf21("2","5","7","2","2","7","6","1") = "6"
    & skf21("2","5","7","2","2","7","7","1") = "6"
    & skf21("2","5","7","2","3","1","1","1") = "6"
    & skf21("2","5","7","2","3","1","2","1") = "6"
    & skf21("2","5","7","2","3","1","3","1") = "6"
    & skf21("2","5","7","2","3","1","4","1") = "6"
    & skf21("2","5","7","2","3","1","5","1") = "6"
    & skf21("2","5","7","2","3","1","6","1") = "6"
    & skf21("2","5","7","2","3","1","7","1") = "6"
    & skf21("2","5","7","2","3","2","1","1") = "6"
    & skf21("2","5","7","2","3","2","2","1") = "6"
    & skf21("2","5","7","2","3","2","3","1") = "6"
    & skf21("2","5","7","2","3","2","4","1") = "6"
    & skf21("2","5","7","2","3","2","5","1") = "6"
    & skf21("2","5","7","2","3","2","6","1") = "6"
    & skf21("2","5","7","2","3","2","7","1") = "6"
    & skf21("2","5","7","2","3","3","1","1") = "6"
    & skf21("2","5","7","2","3","3","2","1") = "6"
    & skf21("2","5","7","2","3","3","3","1") = "6"
    & skf21("2","5","7","2","3","3","4","1") = "6"
    & skf21("2","5","7","2","3","3","5","1") = "6"
    & skf21("2","5","7","2","3","3","6","1") = "6"
    & skf21("2","5","7","2","3","3","7","1") = "6"
    & skf21("2","5","7","2","3","4","1","1") = "6"
    & skf21("2","5","7","2","3","4","2","1") = "6"
    & skf21("2","5","7","2","3","4","3","1") = "6"
    & skf21("2","5","7","2","3","4","4","1") = "6"
    & skf21("2","5","7","2","3","4","5","1") = "6"
    & skf21("2","5","7","2","3","4","6","1") = "6"
    & skf21("2","5","7","2","3","4","7","1") = "6"
    & skf21("2","5","7","2","3","5","1","1") = "6"
    & skf21("2","5","7","2","3","5","2","1") = "6"
    & skf21("2","5","7","2","3","5","3","1") = "6"
    & skf21("2","5","7","2","3","5","4","1") = "6"
    & skf21("2","5","7","2","3","5","5","1") = "6"
    & skf21("2","5","7","2","3","5","6","1") = "6"
    & skf21("2","5","7","2","3","5","7","1") = "6"
    & skf21("2","5","7","2","3","6","1","1") = "6"
    & skf21("2","5","7","2","3","6","2","1") = "6"
    & skf21("2","5","7","2","3","6","3","1") = "6"
    & skf21("2","5","7","2","3","6","4","1") = "6"
    & skf21("2","5","7","2","3","6","5","1") = "6"
    & skf21("2","5","7","2","3","6","6","1") = "6"
    & skf21("2","5","7","2","3","6","7","1") = "6"
    & skf21("2","5","7","2","3","7","1","1") = "6"
    & skf21("2","5","7","2","3","7","2","1") = "6"
    & skf21("2","5","7","2","3","7","3","1") = "6"
    & skf21("2","5","7","2","3","7","4","1") = "6"
    & skf21("2","5","7","2","3","7","5","1") = "6"
    & skf21("2","5","7","2","3","7","6","1") = "6"
    & skf21("2","5","7","2","3","7","7","1") = "6"
    & skf21("2","5","7","2","4","1","1","1") = "6"
    & skf21("2","5","7","2","4","1","2","1") = "6"
    & skf21("2","5","7","2","4","1","3","1") = "6"
    & skf21("2","5","7","2","4","1","4","1") = "6"
    & skf21("2","5","7","2","4","1","5","1") = "6"
    & skf21("2","5","7","2","4","1","6","1") = "6"
    & skf21("2","5","7","2","4","1","7","1") = "6"
    & skf21("2","5","7","2","4","2","1","1") = "6"
    & skf21("2","5","7","2","4","2","2","1") = "6"
    & skf21("2","5","7","2","4","2","3","1") = "6"
    & skf21("2","5","7","2","4","2","4","1") = "6"
    & skf21("2","5","7","2","4","2","5","1") = "6"
    & skf21("2","5","7","2","4","2","6","1") = "6"
    & skf21("2","5","7","2","4","2","7","1") = "6"
    & skf21("2","5","7","2","4","3","1","1") = "6"
    & skf21("2","5","7","2","4","3","2","1") = "6"
    & skf21("2","5","7","2","4","3","3","1") = "6"
    & skf21("2","5","7","2","4","3","4","1") = "6"
    & skf21("2","5","7","2","4","3","5","1") = "6"
    & skf21("2","5","7","2","4","3","6","1") = "6"
    & skf21("2","5","7","2","4","3","7","1") = "6"
    & skf21("2","5","7","2","4","4","1","1") = "6"
    & skf21("2","5","7","2","4","4","2","1") = "6"
    & skf21("2","5","7","2","4","4","3","1") = "6"
    & skf21("2","5","7","2","4","4","4","1") = "6"
    & skf21("2","5","7","2","4","4","5","1") = "6"
    & skf21("2","5","7","2","4","4","6","1") = "6"
    & skf21("2","5","7","2","4","4","7","1") = "6"
    & skf21("2","5","7","2","4","5","1","1") = "6"
    & skf21("2","5","7","2","4","5","2","1") = "6"
    & skf21("2","5","7","2","4","5","3","1") = "6"
    & skf21("2","5","7","2","4","5","4","1") = "6"
    & skf21("2","5","7","2","4","5","5","1") = "6"
    & skf21("2","5","7","2","4","5","6","1") = "6"
    & skf21("2","5","7","2","4","5","7","1") = "6"
    & skf21("2","5","7","2","4","6","1","1") = "6"
    & skf21("2","5","7","2","4","6","2","1") = "6"
    & skf21("2","5","7","2","4","6","3","1") = "6"
    & skf21("2","5","7","2","4","6","4","1") = "6"
    & skf21("2","5","7","2","4","6","5","1") = "6"
    & skf21("2","5","7","2","4","6","6","1") = "6"
    & skf21("2","5","7","2","4","6","7","1") = "6"
    & skf21("2","5","7","2","4","7","1","1") = "6"
    & skf21("2","5","7","2","4","7","2","1") = "6"
    & skf21("2","5","7","2","4","7","3","1") = "6"
    & skf21("2","5","7","2","4","7","4","1") = "6"
    & skf21("2","5","7","2","4","7","5","1") = "6"
    & skf21("2","5","7","2","4","7","6","1") = "6"
    & skf21("2","5","7","2","4","7","7","1") = "6"
    & skf21("2","5","7","2","5","1","1","1") = "6"
    & skf21("2","5","7","2","5","1","2","1") = "6"
    & skf21("2","5","7","2","5","1","3","1") = "6"
    & skf21("2","5","7","2","5","1","4","1") = "6"
    & skf21("2","5","7","2","5","1","5","1") = "6"
    & skf21("2","5","7","2","5","1","6","1") = "6"
    & skf21("2","5","7","2","5","1","7","1") = "6"
    & skf21("2","5","7","2","5","2","1","1") = "6"
    & skf21("2","5","7","2","5","2","2","1") = "6"
    & skf21("2","5","7","2","5","2","3","1") = "6"
    & skf21("2","5","7","2","5","2","4","1") = "6"
    & skf21("2","5","7","2","5","2","5","1") = "6"
    & skf21("2","5","7","2","5","2","6","1") = "6"
    & skf21("2","5","7","2","5","2","7","1") = "6"
    & skf21("2","5","7","2","5","3","1","1") = "6"
    & skf21("2","5","7","2","5","3","2","1") = "6"
    & skf21("2","5","7","2","5","3","3","1") = "6"
    & skf21("2","5","7","2","5","3","4","1") = "6"
    & skf21("2","5","7","2","5","3","5","1") = "6"
    & skf21("2","5","7","2","5","3","6","1") = "6"
    & skf21("2","5","7","2","5","3","7","1") = "6"
    & skf21("2","5","7","2","5","4","1","1") = "6"
    & skf21("2","5","7","2","5","4","2","1") = "6"
    & skf21("2","5","7","2","5","4","3","1") = "6"
    & skf21("2","5","7","2","5","4","4","1") = "6"
    & skf21("2","5","7","2","5","4","5","1") = "6"
    & skf21("2","5","7","2","5","4","6","1") = "6"
    & skf21("2","5","7","2","5","4","7","1") = "6"
    & skf21("2","5","7","2","5","5","1","1") = "6"
    & skf21("2","5","7","2","5","5","2","1") = "6"
    & skf21("2","5","7","2","5","5","3","1") = "6"
    & skf21("2","5","7","2","5","5","4","1") = "6"
    & skf21("2","5","7","2","5","5","5","1") = "6"
    & skf21("2","5","7","2","5","5","6","1") = "6"
    & skf21("2","5","7","2","5","5","7","1") = "6"
    & skf21("2","5","7","2","5","6","1","1") = "6"
    & skf21("2","5","7","2","5","6","2","1") = "6"
    & skf21("2","5","7","2","5","6","3","1") = "6"
    & skf21("2","5","7","2","5","6","4","1") = "6"
    & skf21("2","5","7","2","5","6","5","1") = "6"
    & skf21("2","5","7","2","5","6","6","1") = "6"
    & skf21("2","5","7","2","5","6","7","1") = "6"
    & skf21("2","5","7","2","5","7","1","1") = "6"
    & skf21("2","5","7","2","5","7","2","1") = "6"
    & skf21("2","5","7","2","5","7","3","1") = "6"
    & skf21("2","5","7","2","5","7","4","1") = "6"
    & skf21("2","5","7","2","5","7","5","1") = "6"
    & skf21("2","5","7","2","5","7","6","1") = "6"
    & skf21("2","5","7","2","5","7","7","1") = "6"
    & skf21("2","5","7","2","6","1","1","1") = "6"
    & skf21("2","5","7","2","6","1","2","1") = "6"
    & skf21("2","5","7","2","6","1","3","1") = "6"
    & skf21("2","5","7","2","6","1","4","1") = "6"
    & skf21("2","5","7","2","6","1","5","1") = "6"
    & skf21("2","5","7","2","6","1","6","1") = "6"
    & skf21("2","5","7","2","6","1","7","1") = "6"
    & skf21("2","5","7","2","6","2","1","1") = "6"
    & skf21("2","5","7","2","6","2","2","1") = "6"
    & skf21("2","5","7","2","6","2","3","1") = "6"
    & skf21("2","5","7","2","6","2","4","1") = "6"
    & skf21("2","5","7","2","6","2","5","1") = "6"
    & skf21("2","5","7","2","6","2","6","1") = "6"
    & skf21("2","5","7","2","6","2","7","1") = "6"
    & skf21("2","5","7","2","6","3","1","1") = "6"
    & skf21("2","5","7","2","6","3","2","1") = "6"
    & skf21("2","5","7","2","6","3","3","1") = "6"
    & skf21("2","5","7","2","6","3","4","1") = "6"
    & skf21("2","5","7","2","6","3","5","1") = "6"
    & skf21("2","5","7","2","6","3","6","1") = "6"
    & skf21("2","5","7","2","6","3","7","1") = "6"
    & skf21("2","5","7","2","6","4","1","1") = "6"
    & skf21("2","5","7","2","6","4","2","1") = "6"
    & skf21("2","5","7","2","6","4","3","1") = "6"
    & skf21("2","5","7","2","6","4","4","1") = "6"
    & skf21("2","5","7","2","6","4","5","1") = "6"
    & skf21("2","5","7","2","6","4","6","1") = "6"
    & skf21("2","5","7","2","6","4","7","1") = "6"
    & skf21("2","5","7","2","6","5","1","1") = "6"
    & skf21("2","5","7","2","6","5","2","1") = "6"
    & skf21("2","5","7","2","6","5","3","1") = "6"
    & skf21("2","5","7","2","6","5","4","1") = "6"
    & skf21("2","5","7","2","6","5","5","1") = "6"
    & skf21("2","5","7","2","6","5","6","1") = "6"
    & skf21("2","5","7","2","6","5","7","1") = "6"
    & skf21("2","5","7","2","6","6","1","1") = "6"
    & skf21("2","5","7","2","6","6","2","1") = "6"
    & skf21("2","5","7","2","6","6","3","1") = "6"
    & skf21("2","5","7","2","6","6","4","1") = "6"
    & skf21("2","5","7","2","6","6","5","1") = "6"
    & skf21("2","5","7","2","6","6","6","1") = "6"
    & skf21("2","5","7","2","6","6","7","1") = "6"
    & skf21("2","5","7","2","6","7","1","1") = "6"
    & skf21("2","5","7","2","6","7","2","1") = "6"
    & skf21("2","5","7","2","6","7","3","1") = "6"
    & skf21("2","5","7","2","6","7","4","1") = "6"
    & skf21("2","5","7","2","6","7","5","1") = "6"
    & skf21("2","5","7","2","6","7","6","1") = "6"
    & skf21("2","5","7","2","6","7","7","1") = "6"
    & skf21("2","5","7","2","7","1","1","1") = "6"
    & skf21("2","5","7","2","7","1","2","1") = "6"
    & skf21("2","5","7","2","7","1","3","1") = "6"
    & skf21("2","5","7","2","7","1","4","1") = "6"
    & skf21("2","5","7","2","7","1","5","1") = "6"
    & skf21("2","5","7","2","7","1","6","1") = "6"
    & skf21("2","5","7","2","7","1","7","1") = "6"
    & skf21("2","5","7","2","7","2","1","1") = "6"
    & skf21("2","5","7","2","7","2","2","1") = "6"
    & skf21("2","5","7","2","7","2","3","1") = "6"
    & skf21("2","5","7","2","7","2","4","1") = "6"
    & skf21("2","5","7","2","7","2","5","1") = "6"
    & skf21("2","5","7","2","7","2","6","1") = "6"
    & skf21("2","5","7","2","7","2","7","1") = "6"
    & skf21("2","5","7","2","7","3","1","1") = "6"
    & skf21("2","5","7","2","7","3","2","1") = "6"
    & skf21("2","5","7","2","7","3","3","1") = "6"
    & skf21("2","5","7","2","7","3","4","1") = "6"
    & skf21("2","5","7","2","7","3","5","1") = "6"
    & skf21("2","5","7","2","7","3","6","1") = "6"
    & skf21("2","5","7","2","7","3","7","1") = "6"
    & skf21("2","5","7","2","7","4","1","1") = "6"
    & skf21("2","5","7","2","7","4","2","1") = "6"
    & skf21("2","5","7","2","7","4","3","1") = "6"
    & skf21("2","5","7","2","7","4","4","1") = "6"
    & skf21("2","5","7","2","7","4","5","1") = "6"
    & skf21("2","5","7","2","7","4","6","1") = "6"
    & skf21("2","5","7","2","7","4","7","1") = "6"
    & skf21("2","5","7","2","7","5","1","1") = "6"
    & skf21("2","5","7","2","7","5","2","1") = "6"
    & skf21("2","5","7","2","7","5","3","1") = "6"
    & skf21("2","5","7","2","7","5","4","1") = "6"
    & skf21("2","5","7","2","7","5","5","1") = "6"
    & skf21("2","5","7","2","7","5","6","1") = "6"
    & skf21("2","5","7","2","7","5","7","1") = "6"
    & skf21("2","5","7","2","7","6","1","1") = "6"
    & skf21("2","5","7","2","7","6","2","1") = "6"
    & skf21("2","5","7","2","7","6","3","1") = "6"
    & skf21("2","5","7","2","7","6","4","1") = "6"
    & skf21("2","5","7","2","7","6","5","1") = "6"
    & skf21("2","5","7","2","7","6","6","1") = "6"
    & skf21("2","5","7","2","7","6","7","1") = "6"
    & skf21("2","5","7","2","7","7","1","1") = "6"
    & skf21("2","5","7","2","7","7","2","1") = "6"
    & skf21("2","5","7","2","7","7","3","1") = "6"
    & skf21("2","5","7","2","7","7","4","1") = "6"
    & skf21("2","5","7","2","7","7","5","1") = "6"
    & skf21("2","5","7","2","7","7","6","1") = "6"
    & skf21("2","5","7","2","7","7","7","1") = "6"
    & skf21("2","5","7","3","1","1","1","1") = "6"
    & skf21("2","5","7","3","1","1","2","1") = "6"
    & skf21("2","5","7","3","1","1","3","1") = "6"
    & skf21("2","5","7","3","1","1","4","1") = "6"
    & skf21("2","5","7","3","1","1","5","1") = "6"
    & skf21("2","5","7","3","1","1","6","1") = "6"
    & skf21("2","5","7","3","1","1","7","1") = "6"
    & skf21("2","5","7","3","1","2","1","1") = "6"
    & skf21("2","5","7","3","1","2","2","1") = "6"
    & skf21("2","5","7","3","1","2","3","1") = "6"
    & skf21("2","5","7","3","1","2","4","1") = "6"
    & skf21("2","5","7","3","1","2","5","1") = "6"
    & skf21("2","5","7","3","1","2","6","1") = "6"
    & skf21("2","5","7","3","1","2","7","1") = "6"
    & skf21("2","5","7","3","1","3","1","1") = "6"
    & skf21("2","5","7","3","1","3","2","1") = "6"
    & skf21("2","5","7","3","1","3","3","1") = "6"
    & skf21("2","5","7","3","1","3","4","1") = "6"
    & skf21("2","5","7","3","1","3","5","1") = "6"
    & skf21("2","5","7","3","1","3","6","1") = "6"
    & skf21("2","5","7","3","1","3","7","1") = "6"
    & skf21("2","5","7","3","1","4","1","1") = "6"
    & skf21("2","5","7","3","1","4","2","1") = "6"
    & skf21("2","5","7","3","1","4","3","1") = "6"
    & skf21("2","5","7","3","1","4","4","1") = "6"
    & skf21("2","5","7","3","1","4","5","1") = "6"
    & skf21("2","5","7","3","1","4","6","1") = "6"
    & skf21("2","5","7","3","1","4","7","1") = "6"
    & skf21("2","5","7","3","1","5","1","1") = "6"
    & skf21("2","5","7","3","1","5","2","1") = "6"
    & skf21("2","5","7","3","1","5","3","1") = "6"
    & skf21("2","5","7","3","1","5","4","1") = "6"
    & skf21("2","5","7","3","1","5","5","1") = "6"
    & skf21("2","5","7","3","1","5","6","1") = "6"
    & skf21("2","5","7","3","1","5","7","1") = "6"
    & skf21("2","5","7","3","1","6","1","1") = "6"
    & skf21("2","5","7","3","1","6","2","1") = "6"
    & skf21("2","5","7","3","1","6","3","1") = "6"
    & skf21("2","5","7","3","1","6","4","1") = "6"
    & skf21("2","5","7","3","1","6","5","1") = "6"
    & skf21("2","5","7","3","1","6","6","1") = "6"
    & skf21("2","5","7","3","1","6","7","1") = "6"
    & skf21("2","5","7","3","1","7","1","1") = "6"
    & skf21("2","5","7","3","1","7","2","1") = "6"
    & skf21("2","5","7","3","1","7","3","1") = "6"
    & skf21("2","5","7","3","1","7","4","1") = "6"
    & skf21("2","5","7","3","1","7","5","1") = "6"
    & skf21("2","5","7","3","1","7","6","1") = "6"
    & skf21("2","5","7","3","1","7","7","1") = "6"
    & skf21("2","5","7","3","2","1","1","1") = "6"
    & skf21("2","5","7","3","2","1","2","1") = "6"
    & skf21("2","5","7","3","2","1","3","1") = "6"
    & skf21("2","5","7","3","2","1","4","1") = "6"
    & skf21("2","5","7","3","2","1","5","1") = "6"
    & skf21("2","5","7","3","2","1","6","1") = "6"
    & skf21("2","5","7","3","2","1","7","1") = "6"
    & skf21("2","5","7","3","2","2","1","1") = "6"
    & skf21("2","5","7","3","2","2","2","1") = "6"
    & skf21("2","5","7","3","2","2","3","1") = "6"
    & skf21("2","5","7","3","2","2","4","1") = "6"
    & skf21("2","5","7","3","2","2","5","1") = "6"
    & skf21("2","5","7","3","2","2","6","1") = "6"
    & skf21("2","5","7","3","2","2","7","1") = "6"
    & skf21("2","5","7","3","2","3","1","1") = "6"
    & skf21("2","5","7","3","2","3","2","1") = "6"
    & skf21("2","5","7","3","2","3","3","1") = "6"
    & skf21("2","5","7","3","2","3","4","1") = "6"
    & skf21("2","5","7","3","2","3","5","1") = "6"
    & skf21("2","5","7","3","2","3","6","1") = "6"
    & skf21("2","5","7","3","2","3","7","1") = "6"
    & skf21("2","5","7","3","2","4","1","1") = "6"
    & skf21("2","5","7","3","2","4","2","1") = "6"
    & skf21("2","5","7","3","2","4","3","1") = "6"
    & skf21("2","5","7","3","2","4","4","1") = "6"
    & skf21("2","5","7","3","2","4","5","1") = "6"
    & skf21("2","5","7","3","2","4","6","1") = "6"
    & skf21("2","5","7","3","2","4","7","1") = "6"
    & skf21("2","5","7","3","2","5","1","1") = "6"
    & skf21("2","5","7","3","2","5","2","1") = "6"
    & skf21("2","5","7","3","2","5","3","1") = "6"
    & skf21("2","5","7","3","2","5","4","1") = "6"
    & skf21("2","5","7","3","2","5","5","1") = "6"
    & skf21("2","5","7","3","2","5","6","1") = "6"
    & skf21("2","5","7","3","2","5","7","1") = "6"
    & skf21("2","5","7","3","2","6","1","1") = "6"
    & skf21("2","5","7","3","2","6","2","1") = "6"
    & skf21("2","5","7","3","2","6","3","1") = "6"
    & skf21("2","5","7","3","2","6","4","1") = "6"
    & skf21("2","5","7","3","2","6","5","1") = "6"
    & skf21("2","5","7","3","2","6","6","1") = "6"
    & skf21("2","5","7","3","2","6","7","1") = "6"
    & skf21("2","5","7","3","2","7","1","1") = "6"
    & skf21("2","5","7","3","2","7","2","1") = "6"
    & skf21("2","5","7","3","2","7","3","1") = "6"
    & skf21("2","5","7","3","2","7","4","1") = "6"
    & skf21("2","5","7","3","2","7","5","1") = "6"
    & skf21("2","5","7","3","2","7","6","1") = "6"
    & skf21("2","5","7","3","2","7","7","1") = "6"
    & skf21("2","5","7","3","3","1","1","1") = "6"
    & skf21("2","5","7","3","3","1","2","1") = "6"
    & skf21("2","5","7","3","3","1","3","1") = "6"
    & skf21("2","5","7","3","3","1","4","1") = "6"
    & skf21("2","5","7","3","3","1","5","1") = "6"
    & skf21("2","5","7","3","3","1","6","1") = "6"
    & skf21("2","5","7","3","3","1","7","1") = "6"
    & skf21("2","5","7","3","3","2","1","1") = "6"
    & skf21("2","5","7","3","3","2","2","1") = "6"
    & skf21("2","5","7","3","3","2","3","1") = "6"
    & skf21("2","5","7","3","3","2","4","1") = "6"
    & skf21("2","5","7","3","3","2","5","1") = "6"
    & skf21("2","5","7","3","3","2","6","1") = "6"
    & skf21("2","5","7","3","3","2","7","1") = "6"
    & skf21("2","5","7","3","3","3","1","1") = "6"
    & skf21("2","5","7","3","3","3","2","1") = "6"
    & skf21("2","5","7","3","3","3","3","1") = "6"
    & skf21("2","5","7","3","3","3","4","1") = "6"
    & skf21("2","5","7","3","3","3","5","1") = "6"
    & skf21("2","5","7","3","3","3","6","1") = "6"
    & skf21("2","5","7","3","3","3","7","1") = "6"
    & skf21("2","5","7","3","3","4","1","1") = "6"
    & skf21("2","5","7","3","3","4","2","1") = "6"
    & skf21("2","5","7","3","3","4","3","1") = "6"
    & skf21("2","5","7","3","3","4","4","1") = "6"
    & skf21("2","5","7","3","3","4","5","1") = "6"
    & skf21("2","5","7","3","3","4","6","1") = "6"
    & skf21("2","5","7","3","3","4","7","1") = "6"
    & skf21("2","5","7","3","3","5","1","1") = "6"
    & skf21("2","5","7","3","3","5","2","1") = "6"
    & skf21("2","5","7","3","3","5","3","1") = "6"
    & skf21("2","5","7","3","3","5","4","1") = "6"
    & skf21("2","5","7","3","3","5","5","1") = "6"
    & skf21("2","5","7","3","3","5","6","1") = "6"
    & skf21("2","5","7","3","3","5","7","1") = "6"
    & skf21("2","5","7","3","3","6","1","1") = "6"
    & skf21("2","5","7","3","3","6","2","1") = "6"
    & skf21("2","5","7","3","3","6","3","1") = "6"
    & skf21("2","5","7","3","3","6","4","1") = "6"
    & skf21("2","5","7","3","3","6","5","1") = "6"
    & skf21("2","5","7","3","3","6","6","1") = "6"
    & skf21("2","5","7","3","3","6","7","1") = "6"
    & skf21("2","5","7","3","3","7","1","1") = "6"
    & skf21("2","5","7","3","3","7","2","1") = "6"
    & skf21("2","5","7","3","3","7","3","1") = "6"
    & skf21("2","5","7","3","3","7","4","1") = "6"
    & skf21("2","5","7","3","3","7","5","1") = "6"
    & skf21("2","5","7","3","3","7","6","1") = "6"
    & skf21("2","5","7","3","3","7","7","1") = "6"
    & skf21("2","5","7","3","4","1","1","1") = "6"
    & skf21("2","5","7","3","4","1","2","1") = "6"
    & skf21("2","5","7","3","4","1","3","1") = "6"
    & skf21("2","5","7","3","4","1","4","1") = "6"
    & skf21("2","5","7","3","4","1","5","1") = "6"
    & skf21("2","5","7","3","4","1","6","1") = "6"
    & skf21("2","5","7","3","4","1","7","1") = "6"
    & skf21("2","5","7","3","4","2","1","1") = "6"
    & skf21("2","5","7","3","4","2","2","1") = "6"
    & skf21("2","5","7","3","4","2","3","1") = "6"
    & skf21("2","5","7","3","4","2","4","1") = "6"
    & skf21("2","5","7","3","4","2","5","1") = "6"
    & skf21("2","5","7","3","4","2","6","1") = "6"
    & skf21("2","5","7","3","4","2","7","1") = "6"
    & skf21("2","5","7","3","4","3","1","1") = "6"
    & skf21("2","5","7","3","4","3","2","1") = "6"
    & skf21("2","5","7","3","4","3","3","1") = "6"
    & skf21("2","5","7","3","4","3","4","1") = "6"
    & skf21("2","5","7","3","4","3","5","1") = "6"
    & skf21("2","5","7","3","4","3","6","1") = "6"
    & skf21("2","5","7","3","4","3","7","1") = "6"
    & skf21("2","5","7","3","4","4","1","1") = "6"
    & skf21("2","5","7","3","4","4","2","1") = "6"
    & skf21("2","5","7","3","4","4","3","1") = "6"
    & skf21("2","5","7","3","4","4","4","1") = "6"
    & skf21("2","5","7","3","4","4","5","1") = "6"
    & skf21("2","5","7","3","4","4","6","1") = "6"
    & skf21("2","5","7","3","4","4","7","1") = "6"
    & skf21("2","5","7","3","4","5","1","1") = "6"
    & skf21("2","5","7","3","4","5","2","1") = "6"
    & skf21("2","5","7","3","4","5","3","1") = "6"
    & skf21("2","5","7","3","4","5","4","1") = "6"
    & skf21("2","5","7","3","4","5","5","1") = "6"
    & skf21("2","5","7","3","4","5","6","1") = "6"
    & skf21("2","5","7","3","4","5","7","1") = "6"
    & skf21("2","5","7","3","4","6","1","1") = "6"
    & skf21("2","5","7","3","4","6","2","1") = "6"
    & skf21("2","5","7","3","4","6","3","1") = "6"
    & skf21("2","5","7","3","4","6","4","1") = "6"
    & skf21("2","5","7","3","4","6","5","1") = "6"
    & skf21("2","5","7","3","4","6","6","1") = "6"
    & skf21("2","5","7","3","4","6","7","1") = "6"
    & skf21("2","5","7","3","4","7","1","1") = "6"
    & skf21("2","5","7","3","4","7","2","1") = "6"
    & skf21("2","5","7","3","4","7","3","1") = "6"
    & skf21("2","5","7","3","4","7","4","1") = "6"
    & skf21("2","5","7","3","4","7","5","1") = "6"
    & skf21("2","5","7","3","4","7","6","1") = "6"
    & skf21("2","5","7","3","4","7","7","1") = "6"
    & skf21("2","5","7","3","5","1","1","1") = "6"
    & skf21("2","5","7","3","5","1","2","1") = "6"
    & skf21("2","5","7","3","5","1","3","1") = "6"
    & skf21("2","5","7","3","5","1","4","1") = "6"
    & skf21("2","5","7","3","5","1","5","1") = "6"
    & skf21("2","5","7","3","5","1","6","1") = "6"
    & skf21("2","5","7","3","5","1","7","1") = "6"
    & skf21("2","5","7","3","5","2","1","1") = "6"
    & skf21("2","5","7","3","5","2","2","1") = "6"
    & skf21("2","5","7","3","5","2","3","1") = "6"
    & skf21("2","5","7","3","5","2","4","1") = "6"
    & skf21("2","5","7","3","5","2","5","1") = "6"
    & skf21("2","5","7","3","5","2","6","1") = "6"
    & skf21("2","5","7","3","5","2","7","1") = "6"
    & skf21("2","5","7","3","5","3","1","1") = "6"
    & skf21("2","5","7","3","5","3","2","1") = "6"
    & skf21("2","5","7","3","5","3","3","1") = "6"
    & skf21("2","5","7","3","5","3","4","1") = "6"
    & skf21("2","5","7","3","5","3","5","1") = "6"
    & skf21("2","5","7","3","5","3","6","1") = "6"
    & skf21("2","5","7","3","5","3","7","1") = "6"
    & skf21("2","5","7","3","5","4","1","1") = "6"
    & skf21("2","5","7","3","5","4","2","1") = "6"
    & skf21("2","5","7","3","5","4","3","1") = "6"
    & skf21("2","5","7","3","5","4","4","1") = "6"
    & skf21("2","5","7","3","5","4","5","1") = "6"
    & skf21("2","5","7","3","5","4","6","1") = "6"
    & skf21("2","5","7","3","5","4","7","1") = "6"
    & skf21("2","5","7","3","5","5","1","1") = "6"
    & skf21("2","5","7","3","5","5","2","1") = "6"
    & skf21("2","5","7","3","5","5","3","1") = "6"
    & skf21("2","5","7","3","5","5","4","1") = "6"
    & skf21("2","5","7","3","5","5","5","1") = "6"
    & skf21("2","5","7","3","5","5","6","1") = "6"
    & skf21("2","5","7","3","5","5","7","1") = "6"
    & skf21("2","5","7","3","5","6","1","1") = "6"
    & skf21("2","5","7","3","5","6","2","1") = "6"
    & skf21("2","5","7","3","5","6","3","1") = "6"
    & skf21("2","5","7","3","5","6","4","1") = "6"
    & skf21("2","5","7","3","5","6","5","1") = "6"
    & skf21("2","5","7","3","5","6","6","1") = "6"
    & skf21("2","5","7","3","5","6","7","1") = "6"
    & skf21("2","5","7","3","5","7","1","1") = "6"
    & skf21("2","5","7","3","5","7","2","1") = "6"
    & skf21("2","5","7","3","5","7","3","1") = "6"
    & skf21("2","5","7","3","5","7","4","1") = "6"
    & skf21("2","5","7","3","5","7","5","1") = "6"
    & skf21("2","5","7","3","5","7","6","1") = "6"
    & skf21("2","5","7","3","5","7","7","1") = "6"
    & skf21("2","5","7","3","6","1","1","1") = "6"
    & skf21("2","5","7","3","6","1","2","1") = "6"
    & skf21("2","5","7","3","6","1","3","1") = "6"
    & skf21("2","5","7","3","6","1","4","1") = "6"
    & skf21("2","5","7","3","6","1","5","1") = "6"
    & skf21("2","5","7","3","6","1","6","1") = "6"
    & skf21("2","5","7","3","6","1","7","1") = "6"
    & skf21("2","5","7","3","6","2","1","1") = "6"
    & skf21("2","5","7","3","6","2","2","1") = "6"
    & skf21("2","5","7","3","6","2","3","1") = "6"
    & skf21("2","5","7","3","6","2","4","1") = "6"
    & skf21("2","5","7","3","6","2","5","1") = "6"
    & skf21("2","5","7","3","6","2","6","1") = "6"
    & skf21("2","5","7","3","6","2","7","1") = "6"
    & skf21("2","5","7","3","6","3","1","1") = "6"
    & skf21("2","5","7","3","6","3","2","1") = "6"
    & skf21("2","5","7","3","6","3","3","1") = "6"
    & skf21("2","5","7","3","6","3","4","1") = "6"
    & skf21("2","5","7","3","6","3","5","1") = "6"
    & skf21("2","5","7","3","6","3","6","1") = "6"
    & skf21("2","5","7","3","6","3","7","1") = "6"
    & skf21("2","5","7","3","6","4","1","1") = "6"
    & skf21("2","5","7","3","6","4","2","1") = "6"
    & skf21("2","5","7","3","6","4","3","1") = "6"
    & skf21("2","5","7","3","6","4","4","1") = "6"
    & skf21("2","5","7","3","6","4","5","1") = "6"
    & skf21("2","5","7","3","6","4","6","1") = "6"
    & skf21("2","5","7","3","6","4","7","1") = "6"
    & skf21("2","5","7","3","6","5","1","1") = "6"
    & skf21("2","5","7","3","6","5","2","1") = "6"
    & skf21("2","5","7","3","6","5","3","1") = "6"
    & skf21("2","5","7","3","6","5","4","1") = "6"
    & skf21("2","5","7","3","6","5","5","1") = "6"
    & skf21("2","5","7","3","6","5","6","1") = "6"
    & skf21("2","5","7","3","6","5","7","1") = "6"
    & skf21("2","5","7","3","6","6","1","1") = "6"
    & skf21("2","5","7","3","6","6","2","1") = "6"
    & skf21("2","5","7","3","6","6","3","1") = "6"
    & skf21("2","5","7","3","6","6","4","1") = "6"
    & skf21("2","5","7","3","6","6","5","1") = "6"
    & skf21("2","5","7","3","6","6","6","1") = "6"
    & skf21("2","5","7","3","6","6","7","1") = "6"
    & skf21("2","5","7","3","6","7","1","1") = "6"
    & skf21("2","5","7","3","6","7","2","1") = "6"
    & skf21("2","5","7","3","6","7","3","1") = "6"
    & skf21("2","5","7","3","6","7","4","1") = "6"
    & skf21("2","5","7","3","6","7","5","1") = "6"
    & skf21("2","5","7","3","6","7","6","1") = "6"
    & skf21("2","5","7","3","6","7","7","1") = "6"
    & skf21("2","5","7","3","7","1","1","1") = "6"
    & skf21("2","5","7","3","7","1","2","1") = "6"
    & skf21("2","5","7","3","7","1","3","1") = "6"
    & skf21("2","5","7","3","7","1","4","1") = "6"
    & skf21("2","5","7","3","7","1","5","1") = "6"
    & skf21("2","5","7","3","7","1","6","1") = "6"
    & skf21("2","5","7","3","7","1","7","1") = "6"
    & skf21("2","5","7","3","7","2","1","1") = "6"
    & skf21("2","5","7","3","7","2","2","1") = "6"
    & skf21("2","5","7","3","7","2","3","1") = "6"
    & skf21("2","5","7","3","7","2","4","1") = "6"
    & skf21("2","5","7","3","7","2","5","1") = "6"
    & skf21("2","5","7","3","7","2","6","1") = "6"
    & skf21("2","5","7","3","7","2","7","1") = "6"
    & skf21("2","5","7","3","7","3","1","1") = "6"
    & skf21("2","5","7","3","7","3","2","1") = "6"
    & skf21("2","5","7","3","7","3","3","1") = "6"
    & skf21("2","5","7","3","7","3","4","1") = "6"
    & skf21("2","5","7","3","7","3","5","1") = "6"
    & skf21("2","5","7","3","7","3","6","1") = "6"
    & skf21("2","5","7","3","7","3","7","1") = "6"
    & skf21("2","5","7","3","7","4","1","1") = "6"
    & skf21("2","5","7","3","7","4","2","1") = "6"
    & skf21("2","5","7","3","7","4","3","1") = "6"
    & skf21("2","5","7","3","7","4","4","1") = "6"
    & skf21("2","5","7","3","7","4","5","1") = "6"
    & skf21("2","5","7","3","7","4","6","1") = "6"
    & skf21("2","5","7","3","7","4","7","1") = "6"
    & skf21("2","5","7","3","7","5","1","1") = "6"
    & skf21("2","5","7","3","7","5","2","1") = "6"
    & skf21("2","5","7","3","7","5","3","1") = "6"
    & skf21("2","5","7","3","7","5","4","1") = "6"
    & skf21("2","5","7","3","7","5","5","1") = "6"
    & skf21("2","5","7","3","7","5","6","1") = "6"
    & skf21("2","5","7","3","7","5","7","1") = "6"
    & skf21("2","5","7","3","7","6","1","1") = "6"
    & skf21("2","5","7","3","7","6","2","1") = "6"
    & skf21("2","5","7","3","7","6","3","1") = "6"
    & skf21("2","5","7","3","7","6","4","1") = "6"
    & skf21("2","5","7","3","7","6","5","1") = "6"
    & skf21("2","5","7","3","7","6","6","1") = "6"
    & skf21("2","5","7","3","7","6","7","1") = "6"
    & skf21("2","5","7","3","7","7","1","1") = "6"
    & skf21("2","5","7","3","7","7","2","1") = "6"
    & skf21("2","5","7","3","7","7","3","1") = "6"
    & skf21("2","5","7","3","7","7","4","1") = "6"
    & skf21("2","5","7","3","7","7","5","1") = "6"
    & skf21("2","5","7","3","7","7","6","1") = "6"
    & skf21("2","5","7","3","7","7","7","1") = "6"
    & skf21("2","5","7","4","1","1","1","1") = "6"
    & skf21("2","5","7","4","1","1","2","1") = "6"
    & skf21("2","5","7","4","1","1","3","1") = "6"
    & skf21("2","5","7","4","1","1","4","1") = "6"
    & skf21("2","5","7","4","1","1","5","1") = "6"
    & skf21("2","5","7","4","1","1","6","1") = "6"
    & skf21("2","5","7","4","1","1","7","1") = "6"
    & skf21("2","5","7","4","1","2","1","1") = "6"
    & skf21("2","5","7","4","1","2","2","1") = "6"
    & skf21("2","5","7","4","1","2","3","1") = "6"
    & skf21("2","5","7","4","1","2","4","1") = "6"
    & skf21("2","5","7","4","1","2","5","1") = "6"
    & skf21("2","5","7","4","1","2","6","1") = "6"
    & skf21("2","5","7","4","1","2","7","1") = "6"
    & skf21("2","5","7","4","1","3","1","1") = "6"
    & skf21("2","5","7","4","1","3","2","1") = "6"
    & skf21("2","5","7","4","1","3","3","1") = "6"
    & skf21("2","5","7","4","1","3","4","1") = "6"
    & skf21("2","5","7","4","1","3","5","1") = "6"
    & skf21("2","5","7","4","1","3","6","1") = "6"
    & skf21("2","5","7","4","1","3","7","1") = "6"
    & skf21("2","5","7","4","1","4","1","1") = "6"
    & skf21("2","5","7","4","1","4","2","1") = "6"
    & skf21("2","5","7","4","1","4","3","1") = "6"
    & skf21("2","5","7","4","1","4","4","1") = "6"
    & skf21("2","5","7","4","1","4","5","1") = "6"
    & skf21("2","5","7","4","1","4","6","1") = "6"
    & skf21("2","5","7","4","1","4","7","1") = "6"
    & skf21("2","5","7","4","1","5","1","1") = "6"
    & skf21("2","5","7","4","1","5","2","1") = "6"
    & skf21("2","5","7","4","1","5","3","1") = "6"
    & skf21("2","5","7","4","1","5","4","1") = "6"
    & skf21("2","5","7","4","1","5","5","1") = "6"
    & skf21("2","5","7","4","1","5","6","1") = "6"
    & skf21("2","5","7","4","1","5","7","1") = "6"
    & skf21("2","5","7","4","1","6","1","1") = "6"
    & skf21("2","5","7","4","1","6","2","1") = "6"
    & skf21("2","5","7","4","1","6","3","1") = "6"
    & skf21("2","5","7","4","1","6","4","1") = "6"
    & skf21("2","5","7","4","1","6","5","1") = "6"
    & skf21("2","5","7","4","1","6","6","1") = "6"
    & skf21("2","5","7","4","1","6","7","1") = "6"
    & skf21("2","5","7","4","1","7","1","1") = "6"
    & skf21("2","5","7","4","1","7","2","1") = "6"
    & skf21("2","5","7","4","1","7","3","1") = "6"
    & skf21("2","5","7","4","1","7","4","1") = "6"
    & skf21("2","5","7","4","1","7","5","1") = "6"
    & skf21("2","5","7","4","1","7","6","1") = "6"
    & skf21("2","5","7","4","1","7","7","1") = "6"
    & skf21("2","5","7","4","2","1","1","1") = "6"
    & skf21("2","5","7","4","2","1","2","1") = "6"
    & skf21("2","5","7","4","2","1","3","1") = "6"
    & skf21("2","5","7","4","2","1","4","1") = "6"
    & skf21("2","5","7","4","2","1","5","1") = "6"
    & skf21("2","5","7","4","2","1","6","1") = "6"
    & skf21("2","5","7","4","2","1","7","1") = "6"
    & skf21("2","5","7","4","2","2","1","1") = "6"
    & skf21("2","5","7","4","2","2","2","1") = "6"
    & skf21("2","5","7","4","2","2","3","1") = "6"
    & skf21("2","5","7","4","2","2","4","1") = "6"
    & skf21("2","5","7","4","2","2","5","1") = "6"
    & skf21("2","5","7","4","2","2","6","1") = "6"
    & skf21("2","5","7","4","2","2","7","1") = "6"
    & skf21("2","5","7","4","2","3","1","1") = "6"
    & skf21("2","5","7","4","2","3","2","1") = "6"
    & skf21("2","5","7","4","2","3","3","1") = "6"
    & skf21("2","5","7","4","2","3","4","1") = "6"
    & skf21("2","5","7","4","2","3","5","1") = "6"
    & skf21("2","5","7","4","2","3","6","1") = "6"
    & skf21("2","5","7","4","2","3","7","1") = "6"
    & skf21("2","5","7","4","2","4","1","1") = "6"
    & skf21("2","5","7","4","2","4","2","1") = "6"
    & skf21("2","5","7","4","2","4","3","1") = "6"
    & skf21("2","5","7","4","2","4","4","1") = "6"
    & skf21("2","5","7","4","2","4","5","1") = "6"
    & skf21("2","5","7","4","2","4","6","1") = "6"
    & skf21("2","5","7","4","2","4","7","1") = "6"
    & skf21("2","5","7","4","2","5","1","1") = "6"
    & skf21("2","5","7","4","2","5","2","1") = "6"
    & skf21("2","5","7","4","2","5","3","1") = "6"
    & skf21("2","5","7","4","2","5","4","1") = "6"
    & skf21("2","5","7","4","2","5","5","1") = "6"
    & skf21("2","5","7","4","2","5","6","1") = "6"
    & skf21("2","5","7","4","2","5","7","1") = "6"
    & skf21("2","5","7","4","2","6","1","1") = "6"
    & skf21("2","5","7","4","2","6","2","1") = "6"
    & skf21("2","5","7","4","2","6","3","1") = "6"
    & skf21("2","5","7","4","2","6","4","1") = "6"
    & skf21("2","5","7","4","2","6","5","1") = "6"
    & skf21("2","5","7","4","2","6","6","1") = "6"
    & skf21("2","5","7","4","2","6","7","1") = "6"
    & skf21("2","5","7","4","2","7","1","1") = "6"
    & skf21("2","5","7","4","2","7","2","1") = "6"
    & skf21("2","5","7","4","2","7","3","1") = "6"
    & skf21("2","5","7","4","2","7","4","1") = "6"
    & skf21("2","5","7","4","2","7","5","1") = "6"
    & skf21("2","5","7","4","2","7","6","1") = "6"
    & skf21("2","5","7","4","2","7","7","1") = "6"
    & skf21("2","5","7","4","3","1","1","1") = "6"
    & skf21("2","5","7","4","3","1","2","1") = "6"
    & skf21("2","5","7","4","3","1","3","1") = "6"
    & skf21("2","5","7","4","3","1","4","1") = "6"
    & skf21("2","5","7","4","3","1","5","1") = "6"
    & skf21("2","5","7","4","3","1","6","1") = "6"
    & skf21("2","5","7","4","3","1","7","1") = "6"
    & skf21("2","5","7","4","3","2","1","1") = "6"
    & skf21("2","5","7","4","3","2","2","1") = "6"
    & skf21("2","5","7","4","3","2","3","1") = "6"
    & skf21("2","5","7","4","3","2","4","1") = "6"
    & skf21("2","5","7","4","3","2","5","1") = "6"
    & skf21("2","5","7","4","3","2","6","1") = "6"
    & skf21("2","5","7","4","3","2","7","1") = "6"
    & skf21("2","5","7","4","3","3","1","1") = "6"
    & skf21("2","5","7","4","3","3","2","1") = "6"
    & skf21("2","5","7","4","3","3","3","1") = "6"
    & skf21("2","5","7","4","3","3","4","1") = "6"
    & skf21("2","5","7","4","3","3","5","1") = "6"
    & skf21("2","5","7","4","3","3","6","1") = "6"
    & skf21("2","5","7","4","3","3","7","1") = "6"
    & skf21("2","5","7","4","3","4","1","1") = "6"
    & skf21("2","5","7","4","3","4","2","1") = "6"
    & skf21("2","5","7","4","3","4","3","1") = "6"
    & skf21("2","5","7","4","3","4","4","1") = "6"
    & skf21("2","5","7","4","3","4","5","1") = "6"
    & skf21("2","5","7","4","3","4","6","1") = "6"
    & skf21("2","5","7","4","3","4","7","1") = "6"
    & skf21("2","5","7","4","3","5","1","1") = "6"
    & skf21("2","5","7","4","3","5","2","1") = "6"
    & skf21("2","5","7","4","3","5","3","1") = "6"
    & skf21("2","5","7","4","3","5","4","1") = "6"
    & skf21("2","5","7","4","3","5","5","1") = "6"
    & skf21("2","5","7","4","3","5","6","1") = "6"
    & skf21("2","5","7","4","3","5","7","1") = "6"
    & skf21("2","5","7","4","3","6","1","1") = "6"
    & skf21("2","5","7","4","3","6","2","1") = "6"
    & skf21("2","5","7","4","3","6","3","1") = "6"
    & skf21("2","5","7","4","3","6","4","1") = "6"
    & skf21("2","5","7","4","3","6","5","1") = "6"
    & skf21("2","5","7","4","3","6","6","1") = "6"
    & skf21("2","5","7","4","3","6","7","1") = "6"
    & skf21("2","5","7","4","3","7","1","1") = "6"
    & skf21("2","5","7","4","3","7","2","1") = "6"
    & skf21("2","5","7","4","3","7","3","1") = "6"
    & skf21("2","5","7","4","3","7","4","1") = "6"
    & skf21("2","5","7","4","3","7","5","1") = "6"
    & skf21("2","5","7","4","3","7","6","1") = "6"
    & skf21("2","5","7","4","3","7","7","1") = "6"
    & skf21("2","5","7","4","4","1","1","1") = "6"
    & skf21("2","5","7","4","4","1","2","1") = "6"
    & skf21("2","5","7","4","4","1","3","1") = "6"
    & skf21("2","5","7","4","4","1","4","1") = "6"
    & skf21("2","5","7","4","4","1","5","1") = "6"
    & skf21("2","5","7","4","4","1","6","1") = "6"
    & skf21("2","5","7","4","4","1","7","1") = "6"
    & skf21("2","5","7","4","4","2","1","1") = "6"
    & skf21("2","5","7","4","4","2","2","1") = "6"
    & skf21("2","5","7","4","4","2","3","1") = "6"
    & skf21("2","5","7","4","4","2","4","1") = "6"
    & skf21("2","5","7","4","4","2","5","1") = "6"
    & skf21("2","5","7","4","4","2","6","1") = "6"
    & skf21("2","5","7","4","4","2","7","1") = "6"
    & skf21("2","5","7","4","4","3","1","1") = "6"
    & skf21("2","5","7","4","4","3","2","1") = "6"
    & skf21("2","5","7","4","4","3","3","1") = "6"
    & skf21("2","5","7","4","4","3","4","1") = "6"
    & skf21("2","5","7","4","4","3","5","1") = "6"
    & skf21("2","5","7","4","4","3","6","1") = "6"
    & skf21("2","5","7","4","4","3","7","1") = "6"
    & skf21("2","5","7","4","4","4","1","1") = "6"
    & skf21("2","5","7","4","4","4","2","1") = "6"
    & skf21("2","5","7","4","4","4","3","1") = "6"
    & skf21("2","5","7","4","4","4","4","1") = "6"
    & skf21("2","5","7","4","4","4","5","1") = "6"
    & skf21("2","5","7","4","4","4","6","1") = "6"
    & skf21("2","5","7","4","4","4","7","1") = "6"
    & skf21("2","5","7","4","4","5","1","1") = "6"
    & skf21("2","5","7","4","4","5","2","1") = "6"
    & skf21("2","5","7","4","4","5","3","1") = "6"
    & skf21("2","5","7","4","4","5","4","1") = "6"
    & skf21("2","5","7","4","4","5","5","1") = "6"
    & skf21("2","5","7","4","4","5","6","1") = "6"
    & skf21("2","5","7","4","4","5","7","1") = "6"
    & skf21("2","5","7","4","4","6","1","1") = "6"
    & skf21("2","5","7","4","4","6","2","1") = "6"
    & skf21("2","5","7","4","4","6","3","1") = "6"
    & skf21("2","5","7","4","4","6","4","1") = "6"
    & skf21("2","5","7","4","4","6","5","1") = "6"
    & skf21("2","5","7","4","4","6","6","1") = "6"
    & skf21("2","5","7","4","4","6","7","1") = "6"
    & skf21("2","5","7","4","4","7","1","1") = "6"
    & skf21("2","5","7","4","4","7","2","1") = "6"
    & skf21("2","5","7","4","4","7","3","1") = "6"
    & skf21("2","5","7","4","4","7","4","1") = "6"
    & skf21("2","5","7","4","4","7","5","1") = "6"
    & skf21("2","5","7","4","4","7","6","1") = "6"
    & skf21("2","5","7","4","4","7","7","1") = "6"
    & skf21("2","5","7","4","5","1","1","1") = "6"
    & skf21("2","5","7","4","5","1","2","1") = "6"
    & skf21("2","5","7","4","5","1","3","1") = "6"
    & skf21("2","5","7","4","5","1","4","1") = "6"
    & skf21("2","5","7","4","5","1","5","1") = "6"
    & skf21("2","5","7","4","5","1","6","1") = "6"
    & skf21("2","5","7","4","5","1","7","1") = "6"
    & skf21("2","5","7","4","5","2","1","1") = "6"
    & skf21("2","5","7","4","5","2","2","1") = "6"
    & skf21("2","5","7","4","5","2","3","1") = "6"
    & skf21("2","5","7","4","5","2","4","1") = "6"
    & skf21("2","5","7","4","5","2","5","1") = "6"
    & skf21("2","5","7","4","5","2","6","1") = "6"
    & skf21("2","5","7","4","5","2","7","1") = "6"
    & skf21("2","5","7","4","5","3","1","1") = "6"
    & skf21("2","5","7","4","5","3","2","1") = "6"
    & skf21("2","5","7","4","5","3","3","1") = "6"
    & skf21("2","5","7","4","5","3","4","1") = "6"
    & skf21("2","5","7","4","5","3","5","1") = "6"
    & skf21("2","5","7","4","5","3","6","1") = "6"
    & skf21("2","5","7","4","5","3","7","1") = "6"
    & skf21("2","5","7","4","5","4","1","1") = "6"
    & skf21("2","5","7","4","5","4","2","1") = "6"
    & skf21("2","5","7","4","5","4","3","1") = "6"
    & skf21("2","5","7","4","5","4","4","1") = "6"
    & skf21("2","5","7","4","5","4","5","1") = "6"
    & skf21("2","5","7","4","5","4","6","1") = "6"
    & skf21("2","5","7","4","5","4","7","1") = "6"
    & skf21("2","5","7","4","5","5","1","1") = "6"
    & skf21("2","5","7","4","5","5","2","1") = "6"
    & skf21("2","5","7","4","5","5","3","1") = "6"
    & skf21("2","5","7","4","5","5","4","1") = "6"
    & skf21("2","5","7","4","5","5","5","1") = "6"
    & skf21("2","5","7","4","5","5","6","1") = "6"
    & skf21("2","5","7","4","5","5","7","1") = "6"
    & skf21("2","5","7","4","5","6","1","1") = "6"
    & skf21("2","5","7","4","5","6","2","1") = "6"
    & skf21("2","5","7","4","5","6","3","1") = "6"
    & skf21("2","5","7","4","5","6","4","1") = "6"
    & skf21("2","5","7","4","5","6","5","1") = "6"
    & skf21("2","5","7","4","5","6","6","1") = "6"
    & skf21("2","5","7","4","5","6","7","1") = "6"
    & skf21("2","5","7","4","5","7","1","1") = "6"
    & skf21("2","5","7","4","5","7","2","1") = "6"
    & skf21("2","5","7","4","5","7","3","1") = "6"
    & skf21("2","5","7","4","5","7","4","1") = "6"
    & skf21("2","5","7","4","5","7","5","1") = "6"
    & skf21("2","5","7","4","5","7","6","1") = "6"
    & skf21("2","5","7","4","5","7","7","1") = "6"
    & skf21("2","5","7","4","6","1","1","1") = "6"
    & skf21("2","5","7","4","6","1","2","1") = "6"
    & skf21("2","5","7","4","6","1","3","1") = "6"
    & skf21("2","5","7","4","6","1","4","1") = "6"
    & skf21("2","5","7","4","6","1","5","1") = "6"
    & skf21("2","5","7","4","6","1","6","1") = "6"
    & skf21("2","5","7","4","6","1","7","1") = "6"
    & skf21("2","5","7","4","6","2","1","1") = "6"
    & skf21("2","5","7","4","6","2","2","1") = "6"
    & skf21("2","5","7","4","6","2","3","1") = "6"
    & skf21("2","5","7","4","6","2","4","1") = "6"
    & skf21("2","5","7","4","6","2","5","1") = "6"
    & skf21("2","5","7","4","6","2","6","1") = "6"
    & skf21("2","5","7","4","6","2","7","1") = "6"
    & skf21("2","5","7","4","6","3","1","1") = "6"
    & skf21("2","5","7","4","6","3","2","1") = "6"
    & skf21("2","5","7","4","6","3","3","1") = "6"
    & skf21("2","5","7","4","6","3","4","1") = "6"
    & skf21("2","5","7","4","6","3","5","1") = "6"
    & skf21("2","5","7","4","6","3","6","1") = "6"
    & skf21("2","5","7","4","6","3","7","1") = "6"
    & skf21("2","5","7","4","6","4","1","1") = "6"
    & skf21("2","5","7","4","6","4","2","1") = "6"
    & skf21("2","5","7","4","6","4","3","1") = "6"
    & skf21("2","5","7","4","6","4","4","1") = "6"
    & skf21("2","5","7","4","6","4","5","1") = "6"
    & skf21("2","5","7","4","6","4","6","1") = "6"
    & skf21("2","5","7","4","6","4","7","1") = "6"
    & skf21("2","5","7","4","6","5","1","1") = "6"
    & skf21("2","5","7","4","6","5","2","1") = "6"
    & skf21("2","5","7","4","6","5","3","1") = "6"
    & skf21("2","5","7","4","6","5","4","1") = "6"
    & skf21("2","5","7","4","6","5","5","1") = "6"
    & skf21("2","5","7","4","6","5","6","1") = "6"
    & skf21("2","5","7","4","6","5","7","1") = "6"
    & skf21("2","5","7","4","6","6","1","1") = "6"
    & skf21("2","5","7","4","6","6","2","1") = "6"
    & skf21("2","5","7","4","6","6","3","1") = "6"
    & skf21("2","5","7","4","6","6","4","1") = "6"
    & skf21("2","5","7","4","6","6","5","1") = "6"
    & skf21("2","5","7","4","6","6","6","1") = "6"
    & skf21("2","5","7","4","6","6","7","1") = "6"
    & skf21("2","5","7","4","6","7","1","1") = "6"
    & skf21("2","5","7","4","6","7","2","1") = "6"
    & skf21("2","5","7","4","6","7","3","1") = "6"
    & skf21("2","5","7","4","6","7","4","1") = "6"
    & skf21("2","5","7","4","6","7","5","1") = "6"
    & skf21("2","5","7","4","6","7","6","1") = "6"
    & skf21("2","5","7","4","6","7","7","1") = "6"
    & skf21("2","5","7","4","7","1","1","1") = "6"
    & skf21("2","5","7","4","7","1","2","1") = "6"
    & skf21("2","5","7","4","7","1","3","1") = "6"
    & skf21("2","5","7","4","7","1","4","1") = "6"
    & skf21("2","5","7","4","7","1","5","1") = "6"
    & skf21("2","5","7","4","7","1","6","1") = "6"
    & skf21("2","5","7","4","7","1","7","1") = "6"
    & skf21("2","5","7","4","7","2","1","1") = "6"
    & skf21("2","5","7","4","7","2","2","1") = "6"
    & skf21("2","5","7","4","7","2","3","1") = "6"
    & skf21("2","5","7","4","7","2","4","1") = "6"
    & skf21("2","5","7","4","7","2","5","1") = "6"
    & skf21("2","5","7","4","7","2","6","1") = "6"
    & skf21("2","5","7","4","7","2","7","1") = "6"
    & skf21("2","5","7","4","7","3","1","1") = "6"
    & skf21("2","5","7","4","7","3","2","1") = "6"
    & skf21("2","5","7","4","7","3","3","1") = "6"
    & skf21("2","5","7","4","7","3","4","1") = "6"
    & skf21("2","5","7","4","7","3","5","1") = "6"
    & skf21("2","5","7","4","7","3","6","1") = "6"
    & skf21("2","5","7","4","7","3","7","1") = "6"
    & skf21("2","5","7","4","7","4","1","1") = "6"
    & skf21("2","5","7","4","7","4","2","1") = "6"
    & skf21("2","5","7","4","7","4","3","1") = "6"
    & skf21("2","5","7","4","7","4","4","1") = "6"
    & skf21("2","5","7","4","7","4","5","1") = "6"
    & skf21("2","5","7","4","7","4","6","1") = "6"
    & skf21("2","5","7","4","7","4","7","1") = "6"
    & skf21("2","5","7","4","7","5","1","1") = "6"
    & skf21("2","5","7","4","7","5","2","1") = "6"
    & skf21("2","5","7","4","7","5","3","1") = "6"
    & skf21("2","5","7","4","7","5","4","1") = "6"
    & skf21("2","5","7","4","7","5","5","1") = "6"
    & skf21("2","5","7","4","7","5","6","1") = "6"
    & skf21("2","5","7","4","7","5","7","1") = "6"
    & skf21("2","5","7","4","7","6","1","1") = "6"
    & skf21("2","5","7","4","7","6","2","1") = "6"
    & skf21("2","5","7","4","7","6","3","1") = "6"
    & skf21("2","5","7","4","7","6","4","1") = "6"
    & skf21("2","5","7","4","7","6","5","1") = "6"
    & skf21("2","5","7","4","7","6","6","1") = "6"
    & skf21("2","5","7","4","7","6","7","1") = "6"
    & skf21("2","5","7","4","7","7","1","1") = "6"
    & skf21("2","5","7","4","7","7","2","1") = "6"
    & skf21("2","5","7","4","7","7","3","1") = "6"
    & skf21("2","5","7","4","7","7","4","1") = "6"
    & skf21("2","5","7","4","7","7","5","1") = "6"
    & skf21("2","5","7","4","7","7","6","1") = "6"
    & skf21("2","5","7","4","7","7","7","1") = "6"
    & skf21("2","5","7","5","1","1","1","1") = "6"
    & skf21("2","5","7","5","1","1","2","1") = "6"
    & skf21("2","5","7","5","1","1","3","1") = "6"
    & skf21("2","5","7","5","1","1","4","1") = "6"
    & skf21("2","5","7","5","1","1","5","1") = "6"
    & skf21("2","5","7","5","1","1","6","1") = "6"
    & skf21("2","5","7","5","1","1","7","1") = "6"
    & skf21("2","5","7","5","1","2","1","1") = "6"
    & skf21("2","5","7","5","1","2","2","1") = "6"
    & skf21("2","5","7","5","1","2","3","1") = "6"
    & skf21("2","5","7","5","1","2","4","1") = "6"
    & skf21("2","5","7","5","1","2","5","1") = "6"
    & skf21("2","5","7","5","1","2","6","1") = "6"
    & skf21("2","5","7","5","1","2","7","1") = "6"
    & skf21("2","5","7","5","1","3","1","1") = "6"
    & skf21("2","5","7","5","1","3","2","1") = "6"
    & skf21("2","5","7","5","1","3","3","1") = "6"
    & skf21("2","5","7","5","1","3","4","1") = "6"
    & skf21("2","5","7","5","1","3","5","1") = "6"
    & skf21("2","5","7","5","1","3","6","1") = "6"
    & skf21("2","5","7","5","1","3","7","1") = "6"
    & skf21("2","5","7","5","1","4","1","1") = "6"
    & skf21("2","5","7","5","1","4","2","1") = "6"
    & skf21("2","5","7","5","1","4","3","1") = "6"
    & skf21("2","5","7","5","1","4","4","1") = "6"
    & skf21("2","5","7","5","1","4","5","1") = "6"
    & skf21("2","5","7","5","1","4","6","1") = "6"
    & skf21("2","5","7","5","1","4","7","1") = "6"
    & skf21("2","5","7","5","1","5","1","1") = "6"
    & skf21("2","5","7","5","1","5","2","1") = "6"
    & skf21("2","5","7","5","1","5","3","1") = "6"
    & skf21("2","5","7","5","1","5","4","1") = "6"
    & skf21("2","5","7","5","1","5","5","1") = "6"
    & skf21("2","5","7","5","1","5","6","1") = "6"
    & skf21("2","5","7","5","1","5","7","1") = "6"
    & skf21("2","5","7","5","1","6","1","1") = "6"
    & skf21("2","5","7","5","1","6","2","1") = "6"
    & skf21("2","5","7","5","1","6","3","1") = "6"
    & skf21("2","5","7","5","1","6","4","1") = "6"
    & skf21("2","5","7","5","1","6","5","1") = "6"
    & skf21("2","5","7","5","1","6","6","1") = "6"
    & skf21("2","5","7","5","1","6","7","1") = "6"
    & skf21("2","5","7","5","1","7","1","1") = "6"
    & skf21("2","5","7","5","1","7","2","1") = "6"
    & skf21("2","5","7","5","1","7","3","1") = "6"
    & skf21("2","5","7","5","1","7","4","1") = "6"
    & skf21("2","5","7","5","1","7","5","1") = "6"
    & skf21("2","5","7","5","1","7","6","1") = "6"
    & skf21("2","5","7","5","1","7","7","1") = "6"
    & skf21("2","5","7","5","2","1","1","1") = "6"
    & skf21("2","5","7","5","2","1","2","1") = "6"
    & skf21("2","5","7","5","2","1","3","1") = "6"
    & skf21("2","5","7","5","2","1","4","1") = "6"
    & skf21("2","5","7","5","2","1","5","1") = "6"
    & skf21("2","5","7","5","2","1","6","1") = "6"
    & skf21("2","5","7","5","2","1","7","1") = "6"
    & skf21("2","5","7","5","2","2","1","1") = "6"
    & skf21("2","5","7","5","2","2","2","1") = "6"
    & skf21("2","5","7","5","2","2","3","1") = "6"
    & skf21("2","5","7","5","2","2","4","1") = "6"
    & skf21("2","5","7","5","2","2","5","1") = "6"
    & skf21("2","5","7","5","2","2","6","1") = "6"
    & skf21("2","5","7","5","2","2","7","1") = "6"
    & skf21("2","5","7","5","2","3","1","1") = "6"
    & skf21("2","5","7","5","2","3","2","1") = "6"
    & skf21("2","5","7","5","2","3","3","1") = "6"
    & skf21("2","5","7","5","2","3","4","1") = "6"
    & skf21("2","5","7","5","2","3","5","1") = "6"
    & skf21("2","5","7","5","2","3","6","1") = "6"
    & skf21("2","5","7","5","2","3","7","1") = "6"
    & skf21("2","5","7","5","2","4","1","1") = "6"
    & skf21("2","5","7","5","2","4","2","1") = "6"
    & skf21("2","5","7","5","2","4","3","1") = "6"
    & skf21("2","5","7","5","2","4","4","1") = "6"
    & skf21("2","5","7","5","2","4","5","1") = "6"
    & skf21("2","5","7","5","2","4","6","1") = "6"
    & skf21("2","5","7","5","2","4","7","1") = "6"
    & skf21("2","5","7","5","2","5","1","1") = "6"
    & skf21("2","5","7","5","2","5","2","1") = "6"
    & skf21("2","5","7","5","2","5","3","1") = "6"
    & skf21("2","5","7","5","2","5","4","1") = "6"
    & skf21("2","5","7","5","2","5","5","1") = "6"
    & skf21("2","5","7","5","2","5","6","1") = "6"
    & skf21("2","5","7","5","2","5","7","1") = "6"
    & skf21("2","5","7","5","2","6","1","1") = "6"
    & skf21("2","5","7","5","2","6","2","1") = "6"
    & skf21("2","5","7","5","2","6","3","1") = "6"
    & skf21("2","5","7","5","2","6","4","1") = "6"
    & skf21("2","5","7","5","2","6","5","1") = "6"
    & skf21("2","5","7","5","2","6","6","1") = "6"
    & skf21("2","5","7","5","2","6","7","1") = "6"
    & skf21("2","5","7","5","2","7","1","1") = "6"
    & skf21("2","5","7","5","2","7","2","1") = "6"
    & skf21("2","5","7","5","2","7","3","1") = "6"
    & skf21("2","5","7","5","2","7","4","1") = "6"
    & skf21("2","5","7","5","2","7","5","1") = "6"
    & skf21("2","5","7","5","2","7","6","1") = "6"
    & skf21("2","5","7","5","2","7","7","1") = "6"
    & skf21("2","5","7","5","3","1","1","1") = "6"
    & skf21("2","5","7","5","3","1","2","1") = "6"
    & skf21("2","5","7","5","3","1","3","1") = "6"
    & skf21("2","5","7","5","3","1","4","1") = "6"
    & skf21("2","5","7","5","3","1","5","1") = "6"
    & skf21("2","5","7","5","3","1","6","1") = "6"
    & skf21("2","5","7","5","3","1","7","1") = "6"
    & skf21("2","5","7","5","3","2","1","1") = "6"
    & skf21("2","5","7","5","3","2","2","1") = "6"
    & skf21("2","5","7","5","3","2","3","1") = "6"
    & skf21("2","5","7","5","3","2","4","1") = "6"
    & skf21("2","5","7","5","3","2","5","1") = "6"
    & skf21("2","5","7","5","3","2","6","1") = "6"
    & skf21("2","5","7","5","3","2","7","1") = "6"
    & skf21("2","5","7","5","3","3","1","1") = "6"
    & skf21("2","5","7","5","3","3","2","1") = "6"
    & skf21("2","5","7","5","3","3","3","1") = "6"
    & skf21("2","5","7","5","3","3","4","1") = "6"
    & skf21("2","5","7","5","3","3","5","1") = "6"
    & skf21("2","5","7","5","3","3","6","1") = "6"
    & skf21("2","5","7","5","3","3","7","1") = "6"
    & skf21("2","5","7","5","3","4","1","1") = "6"
    & skf21("2","5","7","5","3","4","2","1") = "6"
    & skf21("2","5","7","5","3","4","3","1") = "6"
    & skf21("2","5","7","5","3","4","4","1") = "6"
    & skf21("2","5","7","5","3","4","5","1") = "6"
    & skf21("2","5","7","5","3","4","6","1") = "6"
    & skf21("2","5","7","5","3","4","7","1") = "6"
    & skf21("2","5","7","5","3","5","1","1") = "6"
    & skf21("2","5","7","5","3","5","2","1") = "6"
    & skf21("2","5","7","5","3","5","3","1") = "6"
    & skf21("2","5","7","5","3","5","4","1") = "6"
    & skf21("2","5","7","5","3","5","5","1") = "6"
    & skf21("2","5","7","5","3","5","6","1") = "6"
    & skf21("2","5","7","5","3","5","7","1") = "6"
    & skf21("2","5","7","5","3","6","1","1") = "6"
    & skf21("2","5","7","5","3","6","2","1") = "6"
    & skf21("2","5","7","5","3","6","3","1") = "6"
    & skf21("2","5","7","5","3","6","4","1") = "6"
    & skf21("2","5","7","5","3","6","5","1") = "6"
    & skf21("2","5","7","5","3","6","6","1") = "6"
    & skf21("2","5","7","5","3","6","7","1") = "6"
    & skf21("2","5","7","5","3","7","1","1") = "6"
    & skf21("2","5","7","5","3","7","2","1") = "6"
    & skf21("2","5","7","5","3","7","3","1") = "6"
    & skf21("2","5","7","5","3","7","4","1") = "6"
    & skf21("2","5","7","5","3","7","5","1") = "6"
    & skf21("2","5","7","5","3","7","6","1") = "6"
    & skf21("2","5","7","5","3","7","7","1") = "6"
    & skf21("2","5","7","5","4","1","1","1") = "6"
    & skf21("2","5","7","5","4","1","2","1") = "6"
    & skf21("2","5","7","5","4","1","3","1") = "6"
    & skf21("2","5","7","5","4","1","4","1") = "6"
    & skf21("2","5","7","5","4","1","5","1") = "6"
    & skf21("2","5","7","5","4","1","6","1") = "6"
    & skf21("2","5","7","5","4","1","7","1") = "6"
    & skf21("2","5","7","5","4","2","1","1") = "6"
    & skf21("2","5","7","5","4","2","2","1") = "6"
    & skf21("2","5","7","5","4","2","3","1") = "6"
    & skf21("2","5","7","5","4","2","4","1") = "6"
    & skf21("2","5","7","5","4","2","5","1") = "6"
    & skf21("2","5","7","5","4","2","6","1") = "6"
    & skf21("2","5","7","5","4","2","7","1") = "6"
    & skf21("2","5","7","5","4","3","1","1") = "6"
    & skf21("2","5","7","5","4","3","2","1") = "6"
    & skf21("2","5","7","5","4","3","3","1") = "6"
    & skf21("2","5","7","5","4","3","4","1") = "6"
    & skf21("2","5","7","5","4","3","5","1") = "6"
    & skf21("2","5","7","5","4","3","6","1") = "6"
    & skf21("2","5","7","5","4","3","7","1") = "6"
    & skf21("2","5","7","5","4","4","1","1") = "6"
    & skf21("2","5","7","5","4","4","2","1") = "6"
    & skf21("2","5","7","5","4","4","3","1") = "6"
    & skf21("2","5","7","5","4","4","4","1") = "6"
    & skf21("2","5","7","5","4","4","5","1") = "6"
    & skf21("2","5","7","5","4","4","6","1") = "6"
    & skf21("2","5","7","5","4","4","7","1") = "6"
    & skf21("2","5","7","5","4","5","1","1") = "6"
    & skf21("2","5","7","5","4","5","2","1") = "6"
    & skf21("2","5","7","5","4","5","3","1") = "6"
    & skf21("2","5","7","5","4","5","4","1") = "6"
    & skf21("2","5","7","5","4","5","5","1") = "6"
    & skf21("2","5","7","5","4","5","6","1") = "6"
    & skf21("2","5","7","5","4","5","7","1") = "6"
    & skf21("2","5","7","5","4","6","1","1") = "6"
    & skf21("2","5","7","5","4","6","2","1") = "6"
    & skf21("2","5","7","5","4","6","3","1") = "6"
    & skf21("2","5","7","5","4","6","4","1") = "6"
    & skf21("2","5","7","5","4","6","5","1") = "6"
    & skf21("2","5","7","5","4","6","6","1") = "6"
    & skf21("2","5","7","5","4","6","7","1") = "6"
    & skf21("2","5","7","5","4","7","1","1") = "6"
    & skf21("2","5","7","5","4","7","2","1") = "6"
    & skf21("2","5","7","5","4","7","3","1") = "6"
    & skf21("2","5","7","5","4","7","4","1") = "6"
    & skf21("2","5","7","5","4","7","5","1") = "6"
    & skf21("2","5","7","5","4","7","6","1") = "6"
    & skf21("2","5","7","5","4","7","7","1") = "6"
    & skf21("2","5","7","5","5","1","1","1") = "6"
    & skf21("2","5","7","5","5","1","2","1") = "6"
    & skf21("2","5","7","5","5","1","3","1") = "6"
    & skf21("2","5","7","5","5","1","4","1") = "6"
    & skf21("2","5","7","5","5","1","5","1") = "6"
    & skf21("2","5","7","5","5","1","6","1") = "6"
    & skf21("2","5","7","5","5","1","7","1") = "6"
    & skf21("2","5","7","5","5","2","1","1") = "6"
    & skf21("2","5","7","5","5","2","2","1") = "6"
    & skf21("2","5","7","5","5","2","3","1") = "6"
    & skf21("2","5","7","5","5","2","4","1") = "6"
    & skf21("2","5","7","5","5","2","5","1") = "6"
    & skf21("2","5","7","5","5","2","6","1") = "6"
    & skf21("2","5","7","5","5","2","7","1") = "6"
    & skf21("2","5","7","5","5","3","1","1") = "6"
    & skf21("2","5","7","5","5","3","2","1") = "6"
    & skf21("2","5","7","5","5","3","3","1") = "6"
    & skf21("2","5","7","5","5","3","4","1") = "6"
    & skf21("2","5","7","5","5","3","5","1") = "6"
    & skf21("2","5","7","5","5","3","6","1") = "6"
    & skf21("2","5","7","5","5","3","7","1") = "6"
    & skf21("2","5","7","5","5","4","1","1") = "6"
    & skf21("2","5","7","5","5","4","2","1") = "6"
    & skf21("2","5","7","5","5","4","3","1") = "6"
    & skf21("2","5","7","5","5","4","4","1") = "6"
    & skf21("2","5","7","5","5","4","5","1") = "6"
    & skf21("2","5","7","5","5","4","6","1") = "6"
    & skf21("2","5","7","5","5","4","7","1") = "6"
    & skf21("2","5","7","5","5","5","1","1") = "6"
    & skf21("2","5","7","5","5","5","2","1") = "6"
    & skf21("2","5","7","5","5","5","3","1") = "6"
    & skf21("2","5","7","5","5","5","4","1") = "6"
    & skf21("2","5","7","5","5","5","5","1") = "6"
    & skf21("2","5","7","5","5","5","6","1") = "6"
    & skf21("2","5","7","5","5","5","7","1") = "6"
    & skf21("2","5","7","5","5","6","1","1") = "6"
    & skf21("2","5","7","5","5","6","2","1") = "6"
    & skf21("2","5","7","5","5","6","3","1") = "6"
    & skf21("2","5","7","5","5","6","4","1") = "6"
    & skf21("2","5","7","5","5","6","5","1") = "6"
    & skf21("2","5","7","5","5","6","6","1") = "6"
    & skf21("2","5","7","5","5","6","7","1") = "6"
    & skf21("2","5","7","5","5","7","1","1") = "6"
    & skf21("2","5","7","5","5","7","2","1") = "6"
    & skf21("2","5","7","5","5","7","3","1") = "6"
    & skf21("2","5","7","5","5","7","4","1") = "6"
    & skf21("2","5","7","5","5","7","5","1") = "6"
    & skf21("2","5","7","5","5","7","6","1") = "6"
    & skf21("2","5","7","5","5","7","7","1") = "6"
    & skf21("2","5","7","5","6","1","1","1") = "6"
    & skf21("2","5","7","5","6","1","2","1") = "6"
    & skf21("2","5","7","5","6","1","3","1") = "6"
    & skf21("2","5","7","5","6","1","4","1") = "6"
    & skf21("2","5","7","5","6","1","5","1") = "6"
    & skf21("2","5","7","5","6","1","6","1") = "6"
    & skf21("2","5","7","5","6","1","7","1") = "6"
    & skf21("2","5","7","5","6","2","1","1") = "6"
    & skf21("2","5","7","5","6","2","2","1") = "6"
    & skf21("2","5","7","5","6","2","3","1") = "6"
    & skf21("2","5","7","5","6","2","4","1") = "6"
    & skf21("2","5","7","5","6","2","5","1") = "6"
    & skf21("2","5","7","5","6","2","6","1") = "6"
    & skf21("2","5","7","5","6","2","7","1") = "6"
    & skf21("2","5","7","5","6","3","1","1") = "6"
    & skf21("2","5","7","5","6","3","2","1") = "6"
    & skf21("2","5","7","5","6","3","3","1") = "6"
    & skf21("2","5","7","5","6","3","4","1") = "6"
    & skf21("2","5","7","5","6","3","5","1") = "6"
    & skf21("2","5","7","5","6","3","6","1") = "6"
    & skf21("2","5","7","5","6","3","7","1") = "6"
    & skf21("2","5","7","5","6","4","1","1") = "6"
    & skf21("2","5","7","5","6","4","2","1") = "6"
    & skf21("2","5","7","5","6","4","3","1") = "6"
    & skf21("2","5","7","5","6","4","4","1") = "6"
    & skf21("2","5","7","5","6","4","5","1") = "6"
    & skf21("2","5","7","5","6","4","6","1") = "6"
    & skf21("2","5","7","5","6","4","7","1") = "6"
    & skf21("2","5","7","5","6","5","1","1") = "6"
    & skf21("2","5","7","5","6","5","2","1") = "6"
    & skf21("2","5","7","5","6","5","3","1") = "6"
    & skf21("2","5","7","5","6","5","4","1") = "6"
    & skf21("2","5","7","5","6","5","5","1") = "6"
    & skf21("2","5","7","5","6","5","6","1") = "6"
    & skf21("2","5","7","5","6","5","7","1") = "6"
    & skf21("2","5","7","5","6","6","1","1") = "6"
    & skf21("2","5","7","5","6","6","2","1") = "6"
    & skf21("2","5","7","5","6","6","3","1") = "6"
    & skf21("2","5","7","5","6","6","4","1") = "6"
    & skf21("2","5","7","5","6","6","5","1") = "6"
    & skf21("2","5","7","5","6","6","6","1") = "6"
    & skf21("2","5","7","5","6","6","7","1") = "6"
    & skf21("2","5","7","5","6","7","1","1") = "6"
    & skf21("2","5","7","5","6","7","2","1") = "6"
    & skf21("2","5","7","5","6","7","3","1") = "6"
    & skf21("2","5","7","5","6","7","4","1") = "6"
    & skf21("2","5","7","5","6","7","5","1") = "6"
    & skf21("2","5","7","5","6","7","6","1") = "6"
    & skf21("2","5","7","5","6","7","7","1") = "6"
    & skf21("2","5","7","5","7","1","1","1") = "6"
    & skf21("2","5","7","5","7","1","2","1") = "6"
    & skf21("2","5","7","5","7","1","3","1") = "6"
    & skf21("2","5","7","5","7","1","4","1") = "6"
    & skf21("2","5","7","5","7","1","5","1") = "6"
    & skf21("2","5","7","5","7","1","6","1") = "6"
    & skf21("2","5","7","5","7","1","7","1") = "6"
    & skf21("2","5","7","5","7","2","1","1") = "6"
    & skf21("2","5","7","5","7","2","2","1") = "6"
    & skf21("2","5","7","5","7","2","3","1") = "6"
    & skf21("2","5","7","5","7","2","4","1") = "6"
    & skf21("2","5","7","5","7","2","5","1") = "6"
    & skf21("2","5","7","5","7","2","6","1") = "6"
    & skf21("2","5","7","5","7","2","7","1") = "6"
    & skf21("2","5","7","5","7","3","1","1") = "6"
    & skf21("2","5","7","5","7","3","2","1") = "6"
    & skf21("2","5","7","5","7","3","3","1") = "6"
    & skf21("2","5","7","5","7","3","4","1") = "6"
    & skf21("2","5","7","5","7","3","5","1") = "6"
    & skf21("2","5","7","5","7","3","6","1") = "6"
    & skf21("2","5","7","5","7","3","7","1") = "6"
    & skf21("2","5","7","5","7","4","1","1") = "6"
    & skf21("2","5","7","5","7","4","2","1") = "6"
    & skf21("2","5","7","5","7","4","3","1") = "6"
    & skf21("2","5","7","5","7","4","4","1") = "6"
    & skf21("2","5","7","5","7","4","5","1") = "6"
    & skf21("2","5","7","5","7","4","6","1") = "6"
    & skf21("2","5","7","5","7","4","7","1") = "6"
    & skf21("2","5","7","5","7","5","1","1") = "6"
    & skf21("2","5","7","5","7","5","2","1") = "6"
    & skf21("2","5","7","5","7","5","3","1") = "6"
    & skf21("2","5","7","5","7","5","4","1") = "6"
    & skf21("2","5","7","5","7","5","5","1") = "6"
    & skf21("2","5","7","5","7","5","6","1") = "6"
    & skf21("2","5","7","5","7","5","7","1") = "6"
    & skf21("2","5","7","5","7","6","1","1") = "6"
    & skf21("2","5","7","5","7","6","2","1") = "6"
    & skf21("2","5","7","5","7","6","3","1") = "6"
    & skf21("2","5","7","5","7","6","4","1") = "6"
    & skf21("2","5","7","5","7","6","5","1") = "6"
    & skf21("2","5","7","5","7","6","6","1") = "6"
    & skf21("2","5","7","5","7","6","7","1") = "6"
    & skf21("2","5","7","5","7","7","1","1") = "6"
    & skf21("2","5","7","5","7","7","2","1") = "6"
    & skf21("2","5","7","5","7","7","3","1") = "6"
    & skf21("2","5","7","5","7","7","4","1") = "6"
    & skf21("2","5","7","5","7","7","5","1") = "6"
    & skf21("2","5","7","5","7","7","6","1") = "6"
    & skf21("2","5","7","5","7","7","7","1") = "6"
    & skf21("2","5","7","6","1","1","1","1") = "6"
    & skf21("2","5","7","6","1","1","2","1") = "6"
    & skf21("2","5","7","6","1","1","3","1") = "6"
    & skf21("2","5","7","6","1","1","4","1") = "6"
    & skf21("2","5","7","6","1","1","5","1") = "6"
    & skf21("2","5","7","6","1","1","6","1") = "6"
    & skf21("2","5","7","6","1","1","7","1") = "6"
    & skf21("2","5","7","6","1","2","1","1") = "6"
    & skf21("2","5","7","6","1","2","2","1") = "6"
    & skf21("2","5","7","6","1","2","3","1") = "6"
    & skf21("2","5","7","6","1","2","4","1") = "6"
    & skf21("2","5","7","6","1","2","5","1") = "6"
    & skf21("2","5","7","6","1","2","6","1") = "6"
    & skf21("2","5","7","6","1","2","7","1") = "6"
    & skf21("2","5","7","6","1","3","1","1") = "6"
    & skf21("2","5","7","6","1","3","2","1") = "6"
    & skf21("2","5","7","6","1","3","3","1") = "6"
    & skf21("2","5","7","6","1","3","4","1") = "6"
    & skf21("2","5","7","6","1","3","5","1") = "6"
    & skf21("2","5","7","6","1","3","6","1") = "6"
    & skf21("2","5","7","6","1","3","7","1") = "6"
    & skf21("2","5","7","6","1","4","1","1") = "6"
    & skf21("2","5","7","6","1","4","2","1") = "6"
    & skf21("2","5","7","6","1","4","3","1") = "6"
    & skf21("2","5","7","6","1","4","4","1") = "6"
    & skf21("2","5","7","6","1","4","5","1") = "6"
    & skf21("2","5","7","6","1","4","6","1") = "6"
    & skf21("2","5","7","6","1","4","7","1") = "6"
    & skf21("2","5","7","6","1","5","1","1") = "6"
    & skf21("2","5","7","6","1","5","2","1") = "6"
    & skf21("2","5","7","6","1","5","3","1") = "6"
    & skf21("2","5","7","6","1","5","4","1") = "6"
    & skf21("2","5","7","6","1","5","5","1") = "6"
    & skf21("2","5","7","6","1","5","6","1") = "6"
    & skf21("2","5","7","6","1","5","7","1") = "6"
    & skf21("2","5","7","6","1","6","1","1") = "6"
    & skf21("2","5","7","6","1","6","2","1") = "6"
    & skf21("2","5","7","6","1","6","3","1") = "6"
    & skf21("2","5","7","6","1","6","4","1") = "6"
    & skf21("2","5","7","6","1","6","5","1") = "6"
    & skf21("2","5","7","6","1","6","6","1") = "6"
    & skf21("2","5","7","6","1","6","7","1") = "6"
    & skf21("2","5","7","6","1","7","1","1") = "6"
    & skf21("2","5","7","6","1","7","2","1") = "6"
    & skf21("2","5","7","6","1","7","3","1") = "6"
    & skf21("2","5","7","6","1","7","4","1") = "6"
    & skf21("2","5","7","6","1","7","5","1") = "6"
    & skf21("2","5","7","6","1","7","6","1") = "6"
    & skf21("2","5","7","6","1","7","7","1") = "6"
    & skf21("2","5","7","6","2","1","1","1") = "6"
    & skf21("2","5","7","6","2","1","2","1") = "6"
    & skf21("2","5","7","6","2","1","3","1") = "6"
    & skf21("2","5","7","6","2","1","4","1") = "6"
    & skf21("2","5","7","6","2","1","5","1") = "6"
    & skf21("2","5","7","6","2","1","6","1") = "6"
    & skf21("2","5","7","6","2","1","7","1") = "6"
    & skf21("2","5","7","6","2","2","1","1") = "6"
    & skf21("2","5","7","6","2","2","2","1") = "6"
    & skf21("2","5","7","6","2","2","3","1") = "6"
    & skf21("2","5","7","6","2","2","4","1") = "6"
    & skf21("2","5","7","6","2","2","5","1") = "6"
    & skf21("2","5","7","6","2","2","6","1") = "6"
    & skf21("2","5","7","6","2","2","7","1") = "6"
    & skf21("2","5","7","6","2","3","1","1") = "6"
    & skf21("2","5","7","6","2","3","2","1") = "6"
    & skf21("2","5","7","6","2","3","3","1") = "6"
    & skf21("2","5","7","6","2","3","4","1") = "6"
    & skf21("2","5","7","6","2","3","5","1") = "6"
    & skf21("2","5","7","6","2","3","6","1") = "6"
    & skf21("2","5","7","6","2","3","7","1") = "6"
    & skf21("2","5","7","6","2","4","1","1") = "6"
    & skf21("2","5","7","6","2","4","2","1") = "6"
    & skf21("2","5","7","6","2","4","3","1") = "6"
    & skf21("2","5","7","6","2","4","4","1") = "6"
    & skf21("2","5","7","6","2","4","5","1") = "6"
    & skf21("2","5","7","6","2","4","6","1") = "6"
    & skf21("2","5","7","6","2","4","7","1") = "6"
    & skf21("2","5","7","6","2","5","1","1") = "6"
    & skf21("2","5","7","6","2","5","2","1") = "6"
    & skf21("2","5","7","6","2","5","3","1") = "6"
    & skf21("2","5","7","6","2","5","4","1") = "6"
    & skf21("2","5","7","6","2","5","5","1") = "6"
    & skf21("2","5","7","6","2","5","6","1") = "6"
    & skf21("2","5","7","6","2","5","7","1") = "6"
    & skf21("2","5","7","6","2","6","1","1") = "6"
    & skf21("2","5","7","6","2","6","2","1") = "6"
    & skf21("2","5","7","6","2","6","3","1") = "6"
    & skf21("2","5","7","6","2","6","4","1") = "6"
    & skf21("2","5","7","6","2","6","5","1") = "6"
    & skf21("2","5","7","6","2","6","6","1") = "6"
    & skf21("2","5","7","6","2","6","7","1") = "6"
    & skf21("2","5","7","6","2","7","1","1") = "6"
    & skf21("2","5","7","6","2","7","2","1") = "6"
    & skf21("2","5","7","6","2","7","3","1") = "6"
    & skf21("2","5","7","6","2","7","4","1") = "6"
    & skf21("2","5","7","6","2","7","5","1") = "6"
    & skf21("2","5","7","6","2","7","6","1") = "6"
    & skf21("2","5","7","6","2","7","7","1") = "6"
    & skf21("2","5","7","6","3","1","1","1") = "6"
    & skf21("2","5","7","6","3","1","2","1") = "6"
    & skf21("2","5","7","6","3","1","3","1") = "6"
    & skf21("2","5","7","6","3","1","4","1") = "6"
    & skf21("2","5","7","6","3","1","5","1") = "6"
    & skf21("2","5","7","6","3","1","6","1") = "6"
    & skf21("2","5","7","6","3","1","7","1") = "6"
    & skf21("2","5","7","6","3","2","1","1") = "6"
    & skf21("2","5","7","6","3","2","2","1") = "6"
    & skf21("2","5","7","6","3","2","3","1") = "6"
    & skf21("2","5","7","6","3","2","4","1") = "6"
    & skf21("2","5","7","6","3","2","5","1") = "6"
    & skf21("2","5","7","6","3","2","6","1") = "6"
    & skf21("2","5","7","6","3","2","7","1") = "6"
    & skf21("2","5","7","6","3","3","1","1") = "6"
    & skf21("2","5","7","6","3","3","2","1") = "6"
    & skf21("2","5","7","6","3","3","3","1") = "6"
    & skf21("2","5","7","6","3","3","4","1") = "6"
    & skf21("2","5","7","6","3","3","5","1") = "6"
    & skf21("2","5","7","6","3","3","6","1") = "6"
    & skf21("2","5","7","6","3","3","7","1") = "6"
    & skf21("2","5","7","6","3","4","1","1") = "6"
    & skf21("2","5","7","6","3","4","2","1") = "6"
    & skf21("2","5","7","6","3","4","3","1") = "6"
    & skf21("2","5","7","6","3","4","4","1") = "6"
    & skf21("2","5","7","6","3","4","5","1") = "6"
    & skf21("2","5","7","6","3","4","6","1") = "6"
    & skf21("2","5","7","6","3","4","7","1") = "6"
    & skf21("2","5","7","6","3","5","1","1") = "6"
    & skf21("2","5","7","6","3","5","2","1") = "6"
    & skf21("2","5","7","6","3","5","3","1") = "6"
    & skf21("2","5","7","6","3","5","4","1") = "6"
    & skf21("2","5","7","6","3","5","5","1") = "6"
    & skf21("2","5","7","6","3","5","6","1") = "6"
    & skf21("2","5","7","6","3","5","7","1") = "6"
    & skf21("2","5","7","6","3","6","1","1") = "6"
    & skf21("2","5","7","6","3","6","2","1") = "6"
    & skf21("2","5","7","6","3","6","3","1") = "6"
    & skf21("2","5","7","6","3","6","4","1") = "6"
    & skf21("2","5","7","6","3","6","5","1") = "6"
    & skf21("2","5","7","6","3","6","6","1") = "6"
    & skf21("2","5","7","6","3","6","7","1") = "6"
    & skf21("2","5","7","6","3","7","1","1") = "6"
    & skf21("2","5","7","6","3","7","2","1") = "6"
    & skf21("2","5","7","6","3","7","3","1") = "6"
    & skf21("2","5","7","6","3","7","4","1") = "6"
    & skf21("2","5","7","6","3","7","5","1") = "6"
    & skf21("2","5","7","6","3","7","6","1") = "6"
    & skf21("2","5","7","6","3","7","7","1") = "6"
    & skf21("2","5","7","6","4","1","1","1") = "6"
    & skf21("2","5","7","6","4","1","2","1") = "6"
    & skf21("2","5","7","6","4","1","3","1") = "6"
    & skf21("2","5","7","6","4","1","4","1") = "6"
    & skf21("2","5","7","6","4","1","5","1") = "6"
    & skf21("2","5","7","6","4","1","6","1") = "6"
    & skf21("2","5","7","6","4","1","7","1") = "6"
    & skf21("2","5","7","6","4","2","1","1") = "6"
    & skf21("2","5","7","6","4","2","2","1") = "6"
    & skf21("2","5","7","6","4","2","3","1") = "6"
    & skf21("2","5","7","6","4","2","4","1") = "6"
    & skf21("2","5","7","6","4","2","5","1") = "6"
    & skf21("2","5","7","6","4","2","6","1") = "6"
    & skf21("2","5","7","6","4","2","7","1") = "6"
    & skf21("2","5","7","6","4","3","1","1") = "6"
    & skf21("2","5","7","6","4","3","2","1") = "6"
    & skf21("2","5","7","6","4","3","3","1") = "6"
    & skf21("2","5","7","6","4","3","4","1") = "6"
    & skf21("2","5","7","6","4","3","5","1") = "6"
    & skf21("2","5","7","6","4","3","6","1") = "6"
    & skf21("2","5","7","6","4","3","7","1") = "6"
    & skf21("2","5","7","6","4","4","1","1") = "6"
    & skf21("2","5","7","6","4","4","2","1") = "6"
    & skf21("2","5","7","6","4","4","3","1") = "6"
    & skf21("2","5","7","6","4","4","4","1") = "6"
    & skf21("2","5","7","6","4","4","5","1") = "6"
    & skf21("2","5","7","6","4","4","6","1") = "6"
    & skf21("2","5","7","6","4","4","7","1") = "6"
    & skf21("2","5","7","6","4","5","1","1") = "6"
    & skf21("2","5","7","6","4","5","2","1") = "6"
    & skf21("2","5","7","6","4","5","3","1") = "6"
    & skf21("2","5","7","6","4","5","4","1") = "6"
    & skf21("2","5","7","6","4","5","5","1") = "6"
    & skf21("2","5","7","6","4","5","6","1") = "6"
    & skf21("2","5","7","6","4","5","7","1") = "6"
    & skf21("2","5","7","6","4","6","1","1") = "6"
    & skf21("2","5","7","6","4","6","2","1") = "6"
    & skf21("2","5","7","6","4","6","3","1") = "6"
    & skf21("2","5","7","6","4","6","4","1") = "6"
    & skf21("2","5","7","6","4","6","5","1") = "6"
    & skf21("2","5","7","6","4","6","6","1") = "6"
    & skf21("2","5","7","6","4","6","7","1") = "6"
    & skf21("2","5","7","6","4","7","1","1") = "6"
    & skf21("2","5","7","6","4","7","2","1") = "6"
    & skf21("2","5","7","6","4","7","3","1") = "6"
    & skf21("2","5","7","6","4","7","4","1") = "6"
    & skf21("2","5","7","6","4","7","5","1") = "6"
    & skf21("2","5","7","6","4","7","6","1") = "6"
    & skf21("2","5","7","6","4","7","7","1") = "6"
    & skf21("2","5","7","6","5","1","1","1") = "6"
    & skf21("2","5","7","6","5","1","2","1") = "6"
    & skf21("2","5","7","6","5","1","3","1") = "6"
    & skf21("2","5","7","6","5","1","4","1") = "6"
    & skf21("2","5","7","6","5","1","5","1") = "6"
    & skf21("2","5","7","6","5","1","6","1") = "6"
    & skf21("2","5","7","6","5","1","7","1") = "6"
    & skf21("2","5","7","6","5","2","1","1") = "6"
    & skf21("2","5","7","6","5","2","2","1") = "6"
    & skf21("2","5","7","6","5","2","3","1") = "6"
    & skf21("2","5","7","6","5","2","4","1") = "6"
    & skf21("2","5","7","6","5","2","5","1") = "6"
    & skf21("2","5","7","6","5","2","6","1") = "6"
    & skf21("2","5","7","6","5","2","7","1") = "6"
    & skf21("2","5","7","6","5","3","1","1") = "6"
    & skf21("2","5","7","6","5","3","2","1") = "6"
    & skf21("2","5","7","6","5","3","3","1") = "6"
    & skf21("2","5","7","6","5","3","4","1") = "6"
    & skf21("2","5","7","6","5","3","5","1") = "6"
    & skf21("2","5","7","6","5","3","6","1") = "6"
    & skf21("2","5","7","6","5","3","7","1") = "6"
    & skf21("2","5","7","6","5","4","1","1") = "6"
    & skf21("2","5","7","6","5","4","2","1") = "6"
    & skf21("2","5","7","6","5","4","3","1") = "6"
    & skf21("2","5","7","6","5","4","4","1") = "6"
    & skf21("2","5","7","6","5","4","5","1") = "6"
    & skf21("2","5","7","6","5","4","6","1") = "6"
    & skf21("2","5","7","6","5","4","7","1") = "6"
    & skf21("2","5","7","6","5","5","1","1") = "6"
    & skf21("2","5","7","6","5","5","2","1") = "6"
    & skf21("2","5","7","6","5","5","3","1") = "6"
    & skf21("2","5","7","6","5","5","4","1") = "6"
    & skf21("2","5","7","6","5","5","5","1") = "6"
    & skf21("2","5","7","6","5","5","6","1") = "6"
    & skf21("2","5","7","6","5","5","7","1") = "6"
    & skf21("2","5","7","6","5","6","1","1") = "6"
    & skf21("2","5","7","6","5","6","2","1") = "6"
    & skf21("2","5","7","6","5","6","3","1") = "6"
    & skf21("2","5","7","6","5","6","4","1") = "6"
    & skf21("2","5","7","6","5","6","5","1") = "6"
    & skf21("2","5","7","6","5","6","6","1") = "6"
    & skf21("2","5","7","6","5","6","7","1") = "6"
    & skf21("2","5","7","6","5","7","1","1") = "6"
    & skf21("2","5","7","6","5","7","2","1") = "6"
    & skf21("2","5","7","6","5","7","3","1") = "6"
    & skf21("2","5","7","6","5","7","4","1") = "6"
    & skf21("2","5","7","6","5","7","5","1") = "6"
    & skf21("2","5","7","6","5","7","6","1") = "6"
    & skf21("2","5","7","6","5","7","7","1") = "6"
    & skf21("2","5","7","6","6","1","1","1") = "6"
    & skf21("2","5","7","6","6","1","2","1") = "6"
    & skf21("2","5","7","6","6","1","3","1") = "6"
    & skf21("2","5","7","6","6","1","4","1") = "6"
    & skf21("2","5","7","6","6","1","5","1") = "6"
    & skf21("2","5","7","6","6","1","6","1") = "6"
    & skf21("2","5","7","6","6","1","7","1") = "6"
    & skf21("2","5","7","6","6","2","1","1") = "6"
    & skf21("2","5","7","6","6","2","2","1") = "6"
    & skf21("2","5","7","6","6","2","3","1") = "6"
    & skf21("2","5","7","6","6","2","4","1") = "6"
    & skf21("2","5","7","6","6","2","5","1") = "6"
    & skf21("2","5","7","6","6","2","6","1") = "6"
    & skf21("2","5","7","6","6","2","7","1") = "6"
    & skf21("2","5","7","6","6","3","1","1") = "6"
    & skf21("2","5","7","6","6","3","2","1") = "6"
    & skf21("2","5","7","6","6","3","3","1") = "6"
    & skf21("2","5","7","6","6","3","4","1") = "6"
    & skf21("2","5","7","6","6","3","5","1") = "6"
    & skf21("2","5","7","6","6","3","6","1") = "6"
    & skf21("2","5","7","6","6","3","7","1") = "6"
    & skf21("2","5","7","6","6","4","1","1") = "6"
    & skf21("2","5","7","6","6","4","2","1") = "6"
    & skf21("2","5","7","6","6","4","3","1") = "6"
    & skf21("2","5","7","6","6","4","4","1") = "6"
    & skf21("2","5","7","6","6","4","5","1") = "6"
    & skf21("2","5","7","6","6","4","6","1") = "6"
    & skf21("2","5","7","6","6","4","7","1") = "6"
    & skf21("2","5","7","6","6","5","1","1") = "6"
    & skf21("2","5","7","6","6","5","2","1") = "6"
    & skf21("2","5","7","6","6","5","3","1") = "6"
    & skf21("2","5","7","6","6","5","4","1") = "6"
    & skf21("2","5","7","6","6","5","5","1") = "6"
    & skf21("2","5","7","6","6","5","6","1") = "6"
    & skf21("2","5","7","6","6","5","7","1") = "6"
    & skf21("2","5","7","6","6","6","1","1") = "6"
    & skf21("2","5","7","6","6","6","2","1") = "6"
    & skf21("2","5","7","6","6","6","3","1") = "6"
    & skf21("2","5","7","6","6","6","4","1") = "6"
    & skf21("2","5","7","6","6","6","5","1") = "6"
    & skf21("2","5","7","6","6","6","6","1") = "6"
    & skf21("2","5","7","6","6","6","7","1") = "6"
    & skf21("2","5","7","6","6","7","1","1") = "6"
    & skf21("2","5","7","6","6","7","2","1") = "6"
    & skf21("2","5","7","6","6","7","3","1") = "6"
    & skf21("2","5","7","6","6","7","4","1") = "6"
    & skf21("2","5","7","6","6","7","5","1") = "6"
    & skf21("2","5","7","6","6","7","6","1") = "6"
    & skf21("2","5","7","6","6","7","7","1") = "6"
    & skf21("2","5","7","6","7","1","1","1") = "6"
    & skf21("2","5","7","6","7","1","2","1") = "6"
    & skf21("2","5","7","6","7","1","3","1") = "6"
    & skf21("2","5","7","6","7","1","4","1") = "6"
    & skf21("2","5","7","6","7","1","5","1") = "6"
    & skf21("2","5","7","6","7","1","6","1") = "6"
    & skf21("2","5","7","6","7","1","7","1") = "6"
    & skf21("2","5","7","6","7","2","1","1") = "6"
    & skf21("2","5","7","6","7","2","2","1") = "6"
    & skf21("2","5","7","6","7","2","3","1") = "6"
    & skf21("2","5","7","6","7","2","4","1") = "6"
    & skf21("2","5","7","6","7","2","5","1") = "6"
    & skf21("2","5","7","6","7","2","6","1") = "6"
    & skf21("2","5","7","6","7","2","7","1") = "6"
    & skf21("2","5","7","6","7","3","1","1") = "6"
    & skf21("2","5","7","6","7","3","2","1") = "6"
    & skf21("2","5","7","6","7","3","3","1") = "6"
    & skf21("2","5","7","6","7","3","4","1") = "6"
    & skf21("2","5","7","6","7","3","5","1") = "6"
    & skf21("2","5","7","6","7","3","6","1") = "6"
    & skf21("2","5","7","6","7","3","7","1") = "6"
    & skf21("2","5","7","6","7","4","1","1") = "6"
    & skf21("2","5","7","6","7","4","2","1") = "6"
    & skf21("2","5","7","6","7","4","3","1") = "6"
    & skf21("2","5","7","6","7","4","4","1") = "6"
    & skf21("2","5","7","6","7","4","5","1") = "6"
    & skf21("2","5","7","6","7","4","6","1") = "6"
    & skf21("2","5","7","6","7","4","7","1") = "6"
    & skf21("2","5","7","6","7","5","1","1") = "6"
    & skf21("2","5","7","6","7","5","2","1") = "6"
    & skf21("2","5","7","6","7","5","3","1") = "6"
    & skf21("2","5","7","6","7","5","4","1") = "6"
    & skf21("2","5","7","6","7","5","5","1") = "6"
    & skf21("2","5","7","6","7","5","6","1") = "6"
    & skf21("2","5","7","6","7","5","7","1") = "6"
    & skf21("2","5","7","6","7","6","1","1") = "6"
    & skf21("2","5","7","6","7","6","2","1") = "6"
    & skf21("2","5","7","6","7","6","3","1") = "6"
    & skf21("2","5","7","6","7","6","4","1") = "6"
    & skf21("2","5","7","6","7","6","5","1") = "6"
    & skf21("2","5","7","6","7","6","6","1") = "6"
    & skf21("2","5","7","6","7","6","7","1") = "6"
    & skf21("2","5","7","6","7","7","1","1") = "6"
    & skf21("2","5","7","6","7","7","2","1") = "6"
    & skf21("2","5","7","6","7","7","3","1") = "6"
    & skf21("2","5","7","6","7","7","4","1") = "6"
    & skf21("2","5","7","6","7","7","5","1") = "6"
    & skf21("2","5","7","6","7","7","6","1") = "6"
    & skf21("2","5","7","6","7","7","7","1") = "6"
    & skf21("2","5","7","7","1","1","1","1") = "6"
    & skf21("2","5","7","7","1","1","2","1") = "6"
    & skf21("2","5","7","7","1","1","3","1") = "6"
    & skf21("2","5","7","7","1","1","4","1") = "6"
    & skf21("2","5","7","7","1","1","5","1") = "6"
    & skf21("2","5","7","7","1","1","6","1") = "6"
    & skf21("2","5","7","7","1","1","7","1") = "6"
    & skf21("2","5","7","7","1","2","1","1") = "6"
    & skf21("2","5","7","7","1","2","2","1") = "6"
    & skf21("2","5","7","7","1","2","3","1") = "6"
    & skf21("2","5","7","7","1","2","4","1") = "6"
    & skf21("2","5","7","7","1","2","5","1") = "6"
    & skf21("2","5","7","7","1","2","6","1") = "6"
    & skf21("2","5","7","7","1","2","7","1") = "6"
    & skf21("2","5","7","7","1","3","1","1") = "6"
    & skf21("2","5","7","7","1","3","2","1") = "6"
    & skf21("2","5","7","7","1","3","3","1") = "6"
    & skf21("2","5","7","7","1","3","4","1") = "6"
    & skf21("2","5","7","7","1","3","5","1") = "6"
    & skf21("2","5","7","7","1","3","6","1") = "6"
    & skf21("2","5","7","7","1","3","7","1") = "6"
    & skf21("2","5","7","7","1","4","1","1") = "6"
    & skf21("2","5","7","7","1","4","2","1") = "6"
    & skf21("2","5","7","7","1","4","3","1") = "6"
    & skf21("2","5","7","7","1","4","4","1") = "6"
    & skf21("2","5","7","7","1","4","5","1") = "6"
    & skf21("2","5","7","7","1","4","6","1") = "6"
    & skf21("2","5","7","7","1","4","7","1") = "6"
    & skf21("2","5","7","7","1","5","1","1") = "6"
    & skf21("2","5","7","7","1","5","2","1") = "6"
    & skf21("2","5","7","7","1","5","3","1") = "6"
    & skf21("2","5","7","7","1","5","4","1") = "6"
    & skf21("2","5","7","7","1","5","5","1") = "6"
    & skf21("2","5","7","7","1","5","6","1") = "6"
    & skf21("2","5","7","7","1","5","7","1") = "6"
    & skf21("2","5","7","7","1","6","1","1") = "6"
    & skf21("2","5","7","7","1","6","2","1") = "6"
    & skf21("2","5","7","7","1","6","3","1") = "6"
    & skf21("2","5","7","7","1","6","4","1") = "6"
    & skf21("2","5","7","7","1","6","5","1") = "6"
    & skf21("2","5","7","7","1","6","6","1") = "6"
    & skf21("2","5","7","7","1","6","7","1") = "6"
    & skf21("2","5","7","7","1","7","1","1") = "6"
    & skf21("2","5","7","7","1","7","2","1") = "6"
    & skf21("2","5","7","7","1","7","3","1") = "6"
    & skf21("2","5","7","7","1","7","4","1") = "6"
    & skf21("2","5","7","7","1","7","5","1") = "6"
    & skf21("2","5","7","7","1","7","6","1") = "6"
    & skf21("2","5","7","7","1","7","7","1") = "6"
    & skf21("2","5","7","7","2","1","1","1") = "6"
    & skf21("2","5","7","7","2","1","2","1") = "6"
    & skf21("2","5","7","7","2","1","3","1") = "6"
    & skf21("2","5","7","7","2","1","4","1") = "6"
    & skf21("2","5","7","7","2","1","5","1") = "6"
    & skf21("2","5","7","7","2","1","6","1") = "6"
    & skf21("2","5","7","7","2","1","7","1") = "6"
    & skf21("2","5","7","7","2","2","1","1") = "6"
    & skf21("2","5","7","7","2","2","2","1") = "6"
    & skf21("2","5","7","7","2","2","3","1") = "6"
    & skf21("2","5","7","7","2","2","4","1") = "6"
    & skf21("2","5","7","7","2","2","5","1") = "6"
    & skf21("2","5","7","7","2","2","6","1") = "6"
    & skf21("2","5","7","7","2","2","7","1") = "6"
    & skf21("2","5","7","7","2","3","1","1") = "6"
    & skf21("2","5","7","7","2","3","2","1") = "6"
    & skf21("2","5","7","7","2","3","3","1") = "6"
    & skf21("2","5","7","7","2","3","4","1") = "6"
    & skf21("2","5","7","7","2","3","5","1") = "6"
    & skf21("2","5","7","7","2","3","6","1") = "6"
    & skf21("2","5","7","7","2","3","7","1") = "6"
    & skf21("2","5","7","7","2","4","1","1") = "6"
    & skf21("2","5","7","7","2","4","2","1") = "6"
    & skf21("2","5","7","7","2","4","3","1") = "6"
    & skf21("2","5","7","7","2","4","4","1") = "6"
    & skf21("2","5","7","7","2","4","5","1") = "6"
    & skf21("2","5","7","7","2","4","6","1") = "6"
    & skf21("2","5","7","7","2","4","7","1") = "6"
    & skf21("2","5","7","7","2","5","1","1") = "6"
    & skf21("2","5","7","7","2","5","2","1") = "6"
    & skf21("2","5","7","7","2","5","3","1") = "6"
    & skf21("2","5","7","7","2","5","4","1") = "6"
    & skf21("2","5","7","7","2","5","5","1") = "6"
    & skf21("2","5","7","7","2","5","6","1") = "6"
    & skf21("2","5","7","7","2","5","7","1") = "6"
    & skf21("2","5","7","7","2","6","1","1") = "6"
    & skf21("2","5","7","7","2","6","2","1") = "6"
    & skf21("2","5","7","7","2","6","3","1") = "6"
    & skf21("2","5","7","7","2","6","4","1") = "6"
    & skf21("2","5","7","7","2","6","5","1") = "6"
    & skf21("2","5","7","7","2","6","6","1") = "6"
    & skf21("2","5","7","7","2","6","7","1") = "6"
    & skf21("2","5","7","7","2","7","1","1") = "6"
    & skf21("2","5","7","7","2","7","2","1") = "6"
    & skf21("2","5","7","7","2","7","3","1") = "6"
    & skf21("2","5","7","7","2","7","4","1") = "6"
    & skf21("2","5","7","7","2","7","5","1") = "6"
    & skf21("2","5","7","7","2","7","6","1") = "6"
    & skf21("2","5","7","7","2","7","7","1") = "6"
    & skf21("2","5","7","7","3","1","1","1") = "6"
    & skf21("2","5","7","7","3","1","2","1") = "6"
    & skf21("2","5","7","7","3","1","3","1") = "6"
    & skf21("2","5","7","7","3","1","4","1") = "6"
    & skf21("2","5","7","7","3","1","5","1") = "6"
    & skf21("2","5","7","7","3","1","6","1") = "6"
    & skf21("2","5","7","7","3","1","7","1") = "6"
    & skf21("2","5","7","7","3","2","1","1") = "6"
    & skf21("2","5","7","7","3","2","2","1") = "6"
    & skf21("2","5","7","7","3","2","3","1") = "6"
    & skf21("2","5","7","7","3","2","4","1") = "6"
    & skf21("2","5","7","7","3","2","5","1") = "6"
    & skf21("2","5","7","7","3","2","6","1") = "6"
    & skf21("2","5","7","7","3","2","7","1") = "6"
    & skf21("2","5","7","7","3","3","1","1") = "6"
    & skf21("2","5","7","7","3","3","2","1") = "6"
    & skf21("2","5","7","7","3","3","3","1") = "6"
    & skf21("2","5","7","7","3","3","4","1") = "6"
    & skf21("2","5","7","7","3","3","5","1") = "6"
    & skf21("2","5","7","7","3","3","6","1") = "6"
    & skf21("2","5","7","7","3","3","7","1") = "6"
    & skf21("2","5","7","7","3","4","1","1") = "6"
    & skf21("2","5","7","7","3","4","2","1") = "6"
    & skf21("2","5","7","7","3","4","3","1") = "6"
    & skf21("2","5","7","7","3","4","4","1") = "6"
    & skf21("2","5","7","7","3","4","5","1") = "6"
    & skf21("2","5","7","7","3","4","6","1") = "6"
    & skf21("2","5","7","7","3","4","7","1") = "6"
    & skf21("2","5","7","7","3","5","1","1") = "6"
    & skf21("2","5","7","7","3","5","2","1") = "6"
    & skf21("2","5","7","7","3","5","3","1") = "6"
    & skf21("2","5","7","7","3","5","4","1") = "6"
    & skf21("2","5","7","7","3","5","5","1") = "6"
    & skf21("2","5","7","7","3","5","6","1") = "6"
    & skf21("2","5","7","7","3","5","7","1") = "6"
    & skf21("2","5","7","7","3","6","1","1") = "6"
    & skf21("2","5","7","7","3","6","2","1") = "6"
    & skf21("2","5","7","7","3","6","3","1") = "6"
    & skf21("2","5","7","7","3","6","4","1") = "6"
    & skf21("2","5","7","7","3","6","5","1") = "6"
    & skf21("2","5","7","7","3","6","6","1") = "6"
    & skf21("2","5","7","7","3","6","7","1") = "6"
    & skf21("2","5","7","7","3","7","1","1") = "6"
    & skf21("2","5","7","7","3","7","2","1") = "6"
    & skf21("2","5","7","7","3","7","3","1") = "6"
    & skf21("2","5","7","7","3","7","4","1") = "6"
    & skf21("2","5","7","7","3","7","5","1") = "6"
    & skf21("2","5","7","7","3","7","6","1") = "6"
    & skf21("2","5","7","7","3","7","7","1") = "6"
    & skf21("2","5","7","7","4","1","1","1") = "6"
    & skf21("2","5","7","7","4","1","2","1") = "6"
    & skf21("2","5","7","7","4","1","3","1") = "6"
    & skf21("2","5","7","7","4","1","4","1") = "6"
    & skf21("2","5","7","7","4","1","5","1") = "6"
    & skf21("2","5","7","7","4","1","6","1") = "6"
    & skf21("2","5","7","7","4","1","7","1") = "6"
    & skf21("2","5","7","7","4","2","1","1") = "6"
    & skf21("2","5","7","7","4","2","2","1") = "6"
    & skf21("2","5","7","7","4","2","3","1") = "6"
    & skf21("2","5","7","7","4","2","4","1") = "6"
    & skf21("2","5","7","7","4","2","5","1") = "6"
    & skf21("2","5","7","7","4","2","6","1") = "6"
    & skf21("2","5","7","7","4","2","7","1") = "6"
    & skf21("2","5","7","7","4","3","1","1") = "6"
    & skf21("2","5","7","7","4","3","2","1") = "6"
    & skf21("2","5","7","7","4","3","3","1") = "6"
    & skf21("2","5","7","7","4","3","4","1") = "6"
    & skf21("2","5","7","7","4","3","5","1") = "6"
    & skf21("2","5","7","7","4","3","6","1") = "6"
    & skf21("2","5","7","7","4","3","7","1") = "6"
    & skf21("2","5","7","7","4","4","1","1") = "6"
    & skf21("2","5","7","7","4","4","2","1") = "6"
    & skf21("2","5","7","7","4","4","3","1") = "6"
    & skf21("2","5","7","7","4","4","4","1") = "6"
    & skf21("2","5","7","7","4","4","5","1") = "6"
    & skf21("2","5","7","7","4","4","6","1") = "6"
    & skf21("2","5","7","7","4","4","7","1") = "6"
    & skf21("2","5","7","7","4","5","1","1") = "6"
    & skf21("2","5","7","7","4","5","2","1") = "6"
    & skf21("2","5","7","7","4","5","3","1") = "6"
    & skf21("2","5","7","7","4","5","4","1") = "6"
    & skf21("2","5","7","7","4","5","5","1") = "6"
    & skf21("2","5","7","7","4","5","6","1") = "6"
    & skf21("2","5","7","7","4","5","7","1") = "6"
    & skf21("2","5","7","7","4","6","1","1") = "6"
    & skf21("2","5","7","7","4","6","2","1") = "6"
    & skf21("2","5","7","7","4","6","3","1") = "6"
    & skf21("2","5","7","7","4","6","4","1") = "6"
    & skf21("2","5","7","7","4","6","5","1") = "6"
    & skf21("2","5","7","7","4","6","6","1") = "6"
    & skf21("2","5","7","7","4","6","7","1") = "6"
    & skf21("2","5","7","7","4","7","1","1") = "6"
    & skf21("2","5","7","7","4","7","2","1") = "6"
    & skf21("2","5","7","7","4","7","3","1") = "6"
    & skf21("2","5","7","7","4","7","4","1") = "6"
    & skf21("2","5","7","7","4","7","5","1") = "6"
    & skf21("2","5","7","7","4","7","6","1") = "6"
    & skf21("2","5","7","7","4","7","7","1") = "6"
    & skf21("2","5","7","7","5","1","1","1") = "6"
    & skf21("2","5","7","7","5","1","2","1") = "6"
    & skf21("2","5","7","7","5","1","3","1") = "6"
    & skf21("2","5","7","7","5","1","4","1") = "6"
    & skf21("2","5","7","7","5","1","5","1") = "6"
    & skf21("2","5","7","7","5","1","6","1") = "6"
    & skf21("2","5","7","7","5","1","7","1") = "6"
    & skf21("2","5","7","7","5","2","1","1") = "6"
    & skf21("2","5","7","7","5","2","2","1") = "6"
    & skf21("2","5","7","7","5","2","3","1") = "6"
    & skf21("2","5","7","7","5","2","4","1") = "6"
    & skf21("2","5","7","7","5","2","5","1") = "6"
    & skf21("2","5","7","7","5","2","6","1") = "6"
    & skf21("2","5","7","7","5","2","7","1") = "6"
    & skf21("2","5","7","7","5","3","1","1") = "6"
    & skf21("2","5","7","7","5","3","2","1") = "6"
    & skf21("2","5","7","7","5","3","3","1") = "6"
    & skf21("2","5","7","7","5","3","4","1") = "6"
    & skf21("2","5","7","7","5","3","5","1") = "6"
    & skf21("2","5","7","7","5","3","6","1") = "6"
    & skf21("2","5","7","7","5","3","7","1") = "6"
    & skf21("2","5","7","7","5","4","1","1") = "6"
    & skf21("2","5","7","7","5","4","2","1") = "6"
    & skf21("2","5","7","7","5","4","3","1") = "6"
    & skf21("2","5","7","7","5","4","4","1") = "6"
    & skf21("2","5","7","7","5","4","5","1") = "6"
    & skf21("2","5","7","7","5","4","6","1") = "6"
    & skf21("2","5","7","7","5","4","7","1") = "6"
    & skf21("2","5","7","7","5","5","1","1") = "6"
    & skf21("2","5","7","7","5","5","2","1") = "6"
    & skf21("2","5","7","7","5","5","3","1") = "6"
    & skf21("2","5","7","7","5","5","4","1") = "6"
    & skf21("2","5","7","7","5","5","5","1") = "6"
    & skf21("2","5","7","7","5","5","6","1") = "6"
    & skf21("2","5","7","7","5","5","7","1") = "6"
    & skf21("2","5","7","7","5","6","1","1") = "6"
    & skf21("2","5","7","7","5","6","2","1") = "6"
    & skf21("2","5","7","7","5","6","3","1") = "6"
    & skf21("2","5","7","7","5","6","4","1") = "6"
    & skf21("2","5","7","7","5","6","5","1") = "6"
    & skf21("2","5","7","7","5","6","6","1") = "6"
    & skf21("2","5","7","7","5","6","7","1") = "6"
    & skf21("2","5","7","7","5","7","1","1") = "6"
    & skf21("2","5","7","7","5","7","2","1") = "6"
    & skf21("2","5","7","7","5","7","3","1") = "6"
    & skf21("2","5","7","7","5","7","4","1") = "6"
    & skf21("2","5","7","7","5","7","5","1") = "6"
    & skf21("2","5","7","7","5","7","6","1") = "6"
    & skf21("2","5","7","7","5","7","7","1") = "6"
    & skf21("2","5","7","7","6","1","1","1") = "6"
    & skf21("2","5","7","7","6","1","2","1") = "6"
    & skf21("2","5","7","7","6","1","3","1") = "6"
    & skf21("2","5","7","7","6","1","4","1") = "6"
    & skf21("2","5","7","7","6","1","5","1") = "6"
    & skf21("2","5","7","7","6","1","6","1") = "6"
    & skf21("2","5","7","7","6","1","7","1") = "6"
    & skf21("2","5","7","7","6","2","1","1") = "6"
    & skf21("2","5","7","7","6","2","2","1") = "6"
    & skf21("2","5","7","7","6","2","3","1") = "6"
    & skf21("2","5","7","7","6","2","4","1") = "6"
    & skf21("2","5","7","7","6","2","5","1") = "6"
    & skf21("2","5","7","7","6","2","6","1") = "6"
    & skf21("2","5","7","7","6","2","7","1") = "6"
    & skf21("2","5","7","7","6","3","1","1") = "6"
    & skf21("2","5","7","7","6","3","2","1") = "6"
    & skf21("2","5","7","7","6","3","3","1") = "6"
    & skf21("2","5","7","7","6","3","4","1") = "6"
    & skf21("2","5","7","7","6","3","5","1") = "6"
    & skf21("2","5","7","7","6","3","6","1") = "6"
    & skf21("2","5","7","7","6","3","7","1") = "6"
    & skf21("2","5","7","7","6","4","1","1") = "6"
    & skf21("2","5","7","7","6","4","2","1") = "6"
    & skf21("2","5","7","7","6","4","3","1") = "6"
    & skf21("2","5","7","7","6","4","4","1") = "6"
    & skf21("2","5","7","7","6","4","5","1") = "6"
    & skf21("2","5","7","7","6","4","6","1") = "6"
    & skf21("2","5","7","7","6","4","7","1") = "6"
    & skf21("2","5","7","7","6","5","1","1") = "6"
    & skf21("2","5","7","7","6","5","2","1") = "6"
    & skf21("2","5","7","7","6","5","3","1") = "6"
    & skf21("2","5","7","7","6","5","4","1") = "6"
    & skf21("2","5","7","7","6","5","5","1") = "6"
    & skf21("2","5","7","7","6","5","6","1") = "6"
    & skf21("2","5","7","7","6","5","7","1") = "6"
    & skf21("2","5","7","7","6","6","1","1") = "6"
    & skf21("2","5","7","7","6","6","2","1") = "6"
    & skf21("2","5","7","7","6","6","3","1") = "6"
    & skf21("2","5","7","7","6","6","4","1") = "6"
    & skf21("2","5","7","7","6","6","5","1") = "6"
    & skf21("2","5","7","7","6","6","6","1") = "6"
    & skf21("2","5","7","7","6","6","7","1") = "6"
    & skf21("2","5","7","7","6","7","1","1") = "6"
    & skf21("2","5","7","7","6","7","2","1") = "6"
    & skf21("2","5","7","7","6","7","3","1") = "6"
    & skf21("2","5","7","7","6","7","4","1") = "6"
    & skf21("2","5","7","7","6","7","5","1") = "6"
    & skf21("2","5","7","7","6","7","6","1") = "6"
    & skf21("2","5","7","7","6","7","7","1") = "6"
    & skf21("2","5","7","7","7","1","1","1") = "6"
    & skf21("2","5","7","7","7","1","2","1") = "6"
    & skf21("2","5","7","7","7","1","3","1") = "6"
    & skf21("2","5","7","7","7","1","4","1") = "6"
    & skf21("2","5","7","7","7","1","5","1") = "6"
    & skf21("2","5","7","7","7","1","6","1") = "6"
    & skf21("2","5","7","7","7","1","7","1") = "6"
    & skf21("2","5","7","7","7","2","1","1") = "6"
    & skf21("2","5","7","7","7","2","2","1") = "6"
    & skf21("2","5","7","7","7","2","3","1") = "6"
    & skf21("2","5","7","7","7","2","4","1") = "6"
    & skf21("2","5","7","7","7","2","5","1") = "6"
    & skf21("2","5","7","7","7","2","6","1") = "6"
    & skf21("2","5","7","7","7","2","7","1") = "6"
    & skf21("2","5","7","7","7","3","1","1") = "6"
    & skf21("2","5","7","7","7","3","2","1") = "6"
    & skf21("2","5","7","7","7","3","3","1") = "6"
    & skf21("2","5","7","7","7","3","4","1") = "6"
    & skf21("2","5","7","7","7","3","5","1") = "6"
    & skf21("2","5","7","7","7","3","6","1") = "6"
    & skf21("2","5","7","7","7","3","7","1") = "6"
    & skf21("2","5","7","7","7","4","1","1") = "6"
    & skf21("2","5","7","7","7","4","2","1") = "6"
    & skf21("2","5","7","7","7","4","3","1") = "6"
    & skf21("2","5","7","7","7","4","4","1") = "6"
    & skf21("2","5","7","7","7","4","5","1") = "6"
    & skf21("2","5","7","7","7","4","6","1") = "6"
    & skf21("2","5","7","7","7","4","7","1") = "6"
    & skf21("2","5","7","7","7","5","1","1") = "6"
    & skf21("2","5","7","7","7","5","2","1") = "6"
    & skf21("2","5","7","7","7","5","3","1") = "6"
    & skf21("2","5","7","7","7","5","4","1") = "6"
    & skf21("2","5","7","7","7","5","5","1") = "6"
    & skf21("2","5","7","7","7","5","6","1") = "6"
    & skf21("2","5","7","7","7","5","7","1") = "6"
    & skf21("2","5","7","7","7","6","1","1") = "6"
    & skf21("2","5","7","7","7","6","2","1") = "6"
    & skf21("2","5","7","7","7","6","3","1") = "6"
    & skf21("2","5","7","7","7","6","4","1") = "6"
    & skf21("2","5","7","7","7","6","5","1") = "6"
    & skf21("2","5","7","7","7","6","6","1") = "6"
    & skf21("2","5","7","7","7","6","7","1") = "6"
    & skf21("2","5","7","7","7","7","1","1") = "6"
    & skf21("2","5","7","7","7","7","2","1") = "6"
    & skf21("2","5","7","7","7","7","3","1") = "6"
    & skf21("2","5","7","7","7","7","4","1") = "6"
    & skf21("2","5","7","7","7","7","5","1") = "6"
    & skf21("2","5","7","7","7","7","6","1") = "6"
    & skf21("2","5","7","7","7","7","7","1") = "6"
    & skf21("2","6","1","1","1","1","1","1") = "5"
    & skf21("2","6","1","1","1","1","2","1") = "5"
    & skf21("2","6","1","1","1","1","3","1") = "5"
    & skf21("2","6","1","1","1","1","4","1") = "5"
    & skf21("2","6","1","1","1","1","5","1") = "5"
    & skf21("2","6","1","1","1","1","6","1") = "5"
    & skf21("2","6","1","1","1","1","7","1") = "6"
    & skf21("2","6","1","1","1","2","1","1") = "5"
    & skf21("2","6","1","1","1","2","2","1") = "5"
    & skf21("2","6","1","1","1","2","3","1") = "5"
    & skf21("2","6","1","1","1","2","4","1") = "5"
    & skf21("2","6","1","1","1","2","5","1") = "5"
    & skf21("2","6","1","1","1","2","6","1") = "5"
    & skf21("2","6","1","1","1","2","7","1") = "6"
    & skf21("2","6","1","1","1","3","1","1") = "5"
    & skf21("2","6","1","1","1","3","2","1") = "5"
    & skf21("2","6","1","1","1","3","3","1") = "5"
    & skf21("2","6","1","1","1","3","4","1") = "5"
    & skf21("2","6","1","1","1","3","5","1") = "5"
    & skf21("2","6","1","1","1","3","6","1") = "5"
    & skf21("2","6","1","1","1","3","7","1") = "6"
    & skf21("2","6","1","1","1","4","1","1") = "5"
    & skf21("2","6","1","1","1","4","2","1") = "5"
    & skf21("2","6","1","1","1","4","3","1") = "5"
    & skf21("2","6","1","1","1","4","4","1") = "5"
    & skf21("2","6","1","1","1","4","5","1") = "5"
    & skf21("2","6","1","1","1","4","6","1") = "5"
    & skf21("2","6","1","1","1","4","7","1") = "6"
    & skf21("2","6","1","1","1","5","1","1") = "5"
    & skf21("2","6","1","1","1","5","2","1") = "5"
    & skf21("2","6","1","1","1","5","3","1") = "5"
    & skf21("2","6","1","1","1","5","4","1") = "5"
    & skf21("2","6","1","1","1","5","5","1") = "5"
    & skf21("2","6","1","1","1","5","6","1") = "5"
    & skf21("2","6","1","1","1","5","7","1") = "6"
    & skf21("2","6","1","1","1","6","1","1") = "5"
    & skf21("2","6","1","1","1","6","2","1") = "5"
    & skf21("2","6","1","1","1","6","3","1") = "5"
    & skf21("2","6","1","1","1","6","4","1") = "5"
    & skf21("2","6","1","1","1","6","5","1") = "5"
    & skf21("2","6","1","1","1","6","6","1") = "5"
    & skf21("2","6","1","1","1","6","7","1") = "6"
    & skf21("2","6","1","1","1","7","1","1") = "6"
    & skf21("2","6","1","1","1","7","2","1") = "6"
    & skf21("2","6","1","1","1","7","3","1") = "6"
    & skf21("2","6","1","1","1","7","4","1") = "6"
    & skf21("2","6","1","1","1","7","5","1") = "6"
    & skf21("2","6","1","1","1","7","6","1") = "6"
    & skf21("2","6","1","1","1","7","7","1") = "6"
    & skf21("2","6","1","1","2","1","1","1") = "5"
    & skf21("2","6","1","1","2","1","2","1") = "5"
    & skf21("2","6","1","1","2","1","3","1") = "5"
    & skf21("2","6","1","1","2","1","4","1") = "5"
    & skf21("2","6","1","1","2","1","5","1") = "5"
    & skf21("2","6","1","1","2","1","6","1") = "5"
    & skf21("2","6","1","1","2","1","7","1") = "6"
    & skf21("2","6","1","1","2","2","1","1") = "5"
    & skf21("2","6","1","1","2","2","2","1") = "5"
    & skf21("2","6","1","1","2","2","3","1") = "5"
    & skf21("2","6","1","1","2","2","4","1") = "5"
    & skf21("2","6","1","1","2","2","5","1") = "5"
    & skf21("2","6","1","1","2","2","6","1") = "5"
    & skf21("2","6","1","1","2","2","7","1") = "6"
    & skf21("2","6","1","1","2","3","1","1") = "5"
    & skf21("2","6","1","1","2","3","2","1") = "5"
    & skf21("2","6","1","1","2","3","3","1") = "5"
    & skf21("2","6","1","1","2","3","4","1") = "5"
    & skf21("2","6","1","1","2","3","5","1") = "5"
    & skf21("2","6","1","1","2","3","6","1") = "5"
    & skf21("2","6","1","1","2","3","7","1") = "6"
    & skf21("2","6","1","1","2","4","1","1") = "5"
    & skf21("2","6","1","1","2","4","2","1") = "5"
    & skf21("2","6","1","1","2","4","3","1") = "5"
    & skf21("2","6","1","1","2","4","4","1") = "5"
    & skf21("2","6","1","1","2","4","5","1") = "5"
    & skf21("2","6","1","1","2","4","6","1") = "5"
    & skf21("2","6","1","1","2","4","7","1") = "6"
    & skf21("2","6","1","1","2","5","1","1") = "5"
    & skf21("2","6","1","1","2","5","2","1") = "5"
    & skf21("2","6","1","1","2","5","3","1") = "5"
    & skf21("2","6","1","1","2","5","4","1") = "5"
    & skf21("2","6","1","1","2","5","5","1") = "5"
    & skf21("2","6","1","1","2","5","6","1") = "5"
    & skf21("2","6","1","1","2","5","7","1") = "6"
    & skf21("2","6","1","1","2","6","1","1") = "5"
    & skf21("2","6","1","1","2","6","2","1") = "5"
    & skf21("2","6","1","1","2","6","3","1") = "5"
    & skf21("2","6","1","1","2","6","4","1") = "5"
    & skf21("2","6","1","1","2","6","5","1") = "5"
    & skf21("2","6","1","1","2","6","6","1") = "5"
    & skf21("2","6","1","1","2","6","7","1") = "6"
    & skf21("2","6","1","1","2","7","1","1") = "6"
    & skf21("2","6","1","1","2","7","2","1") = "6"
    & skf21("2","6","1","1","2","7","3","1") = "6"
    & skf21("2","6","1","1","2","7","4","1") = "6"
    & skf21("2","6","1","1","2","7","5","1") = "6"
    & skf21("2","6","1","1","2","7","6","1") = "6"
    & skf21("2","6","1","1","2","7","7","1") = "6"
    & skf21("2","6","1","1","3","1","1","1") = "5"
    & skf21("2","6","1","1","3","1","2","1") = "5"
    & skf21("2","6","1","1","3","1","3","1") = "5"
    & skf21("2","6","1","1","3","1","4","1") = "5"
    & skf21("2","6","1","1","3","1","5","1") = "5"
    & skf21("2","6","1","1","3","1","6","1") = "5"
    & skf21("2","6","1","1","3","1","7","1") = "6"
    & skf21("2","6","1","1","3","2","1","1") = "5"
    & skf21("2","6","1","1","3","2","2","1") = "5"
    & skf21("2","6","1","1","3","2","3","1") = "5"
    & skf21("2","6","1","1","3","2","4","1") = "5"
    & skf21("2","6","1","1","3","2","5","1") = "5"
    & skf21("2","6","1","1","3","2","6","1") = "5"
    & skf21("2","6","1","1","3","2","7","1") = "6"
    & skf21("2","6","1","1","3","3","1","1") = "5"
    & skf21("2","6","1","1","3","3","2","1") = "5"
    & skf21("2","6","1","1","3","3","3","1") = "5"
    & skf21("2","6","1","1","3","3","4","1") = "5"
    & skf21("2","6","1","1","3","3","5","1") = "5"
    & skf21("2","6","1","1","3","3","6","1") = "5"
    & skf21("2","6","1","1","3","3","7","1") = "6"
    & skf21("2","6","1","1","3","4","1","1") = "5"
    & skf21("2","6","1","1","3","4","2","1") = "5"
    & skf21("2","6","1","1","3","4","3","1") = "5"
    & skf21("2","6","1","1","3","4","4","1") = "5"
    & skf21("2","6","1","1","3","4","5","1") = "5"
    & skf21("2","6","1","1","3","4","6","1") = "5"
    & skf21("2","6","1","1","3","4","7","1") = "6"
    & skf21("2","6","1","1","3","5","1","1") = "5"
    & skf21("2","6","1","1","3","5","2","1") = "5"
    & skf21("2","6","1","1","3","5","3","1") = "5"
    & skf21("2","6","1","1","3","5","4","1") = "5"
    & skf21("2","6","1","1","3","5","5","1") = "5"
    & skf21("2","6","1","1","3","5","6","1") = "5"
    & skf21("2","6","1","1","3","5","7","1") = "6"
    & skf21("2","6","1","1","3","6","1","1") = "5"
    & skf21("2","6","1","1","3","6","2","1") = "5"
    & skf21("2","6","1","1","3","6","3","1") = "5"
    & skf21("2","6","1","1","3","6","4","1") = "5"
    & skf21("2","6","1","1","3","6","5","1") = "5"
    & skf21("2","6","1","1","3","6","6","1") = "5"
    & skf21("2","6","1","1","3","6","7","1") = "6"
    & skf21("2","6","1","1","3","7","1","1") = "6"
    & skf21("2","6","1","1","3","7","2","1") = "6"
    & skf21("2","6","1","1","3","7","3","1") = "6"
    & skf21("2","6","1","1","3","7","4","1") = "6"
    & skf21("2","6","1","1","3","7","5","1") = "6"
    & skf21("2","6","1","1","3","7","6","1") = "6"
    & skf21("2","6","1","1","3","7","7","1") = "6"
    & skf21("2","6","1","1","4","1","1","1") = "5"
    & skf21("2","6","1","1","4","1","2","1") = "5"
    & skf21("2","6","1","1","4","1","3","1") = "5"
    & skf21("2","6","1","1","4","1","4","1") = "5"
    & skf21("2","6","1","1","4","1","5","1") = "5"
    & skf21("2","6","1","1","4","1","6","1") = "5"
    & skf21("2","6","1","1","4","1","7","1") = "6"
    & skf21("2","6","1","1","4","2","1","1") = "5"
    & skf21("2","6","1","1","4","2","2","1") = "5"
    & skf21("2","6","1","1","4","2","3","1") = "5"
    & skf21("2","6","1","1","4","2","4","1") = "5"
    & skf21("2","6","1","1","4","2","5","1") = "5"
    & skf21("2","6","1","1","4","2","6","1") = "5"
    & skf21("2","6","1","1","4","2","7","1") = "6"
    & skf21("2","6","1","1","4","3","1","1") = "5"
    & skf21("2","6","1","1","4","3","2","1") = "5"
    & skf21("2","6","1","1","4","3","3","1") = "5"
    & skf21("2","6","1","1","4","3","4","1") = "5"
    & skf21("2","6","1","1","4","3","5","1") = "5"
    & skf21("2","6","1","1","4","3","6","1") = "5"
    & skf21("2","6","1","1","4","3","7","1") = "6"
    & skf21("2","6","1","1","4","4","1","1") = "5"
    & skf21("2","6","1","1","4","4","2","1") = "5"
    & skf21("2","6","1","1","4","4","3","1") = "5"
    & skf21("2","6","1","1","4","4","4","1") = "5"
    & skf21("2","6","1","1","4","4","5","1") = "5"
    & skf21("2","6","1","1","4","4","6","1") = "5"
    & skf21("2","6","1","1","4","4","7","1") = "6"
    & skf21("2","6","1","1","4","5","1","1") = "5"
    & skf21("2","6","1","1","4","5","2","1") = "5"
    & skf21("2","6","1","1","4","5","3","1") = "5"
    & skf21("2","6","1","1","4","5","4","1") = "5"
    & skf21("2","6","1","1","4","5","5","1") = "5"
    & skf21("2","6","1","1","4","5","6","1") = "5"
    & skf21("2","6","1","1","4","5","7","1") = "6"
    & skf21("2","6","1","1","4","6","1","1") = "5"
    & skf21("2","6","1","1","4","6","2","1") = "5"
    & skf21("2","6","1","1","4","6","3","1") = "5"
    & skf21("2","6","1","1","4","6","4","1") = "5"
    & skf21("2","6","1","1","4","6","5","1") = "5"
    & skf21("2","6","1","1","4","6","6","1") = "5"
    & skf21("2","6","1","1","4","6","7","1") = "6"
    & skf21("2","6","1","1","4","7","1","1") = "6"
    & skf21("2","6","1","1","4","7","2","1") = "6"
    & skf21("2","6","1","1","4","7","3","1") = "6"
    & skf21("2","6","1","1","4","7","4","1") = "6"
    & skf21("2","6","1","1","4","7","5","1") = "6"
    & skf21("2","6","1","1","4","7","6","1") = "6"
    & skf21("2","6","1","1","4","7","7","1") = "6"
    & skf21("2","6","1","1","5","1","1","1") = "5"
    & skf21("2","6","1","1","5","1","2","1") = "5"
    & skf21("2","6","1","1","5","1","3","1") = "5"
    & skf21("2","6","1","1","5","1","4","1") = "5"
    & skf21("2","6","1","1","5","1","5","1") = "5"
    & skf21("2","6","1","1","5","1","6","1") = "5"
    & skf21("2","6","1","1","5","1","7","1") = "6"
    & skf21("2","6","1","1","5","2","1","1") = "5"
    & skf21("2","6","1","1","5","2","2","1") = "5"
    & skf21("2","6","1","1","5","2","3","1") = "5"
    & skf21("2","6","1","1","5","2","4","1") = "5"
    & skf21("2","6","1","1","5","2","5","1") = "5"
    & skf21("2","6","1","1","5","2","6","1") = "5"
    & skf21("2","6","1","1","5","2","7","1") = "6"
    & skf21("2","6","1","1","5","3","1","1") = "5"
    & skf21("2","6","1","1","5","3","2","1") = "5"
    & skf21("2","6","1","1","5","3","3","1") = "5"
    & skf21("2","6","1","1","5","3","4","1") = "5"
    & skf21("2","6","1","1","5","3","5","1") = "5"
    & skf21("2","6","1","1","5","3","6","1") = "5"
    & skf21("2","6","1","1","5","3","7","1") = "6"
    & skf21("2","6","1","1","5","4","1","1") = "5"
    & skf21("2","6","1","1","5","4","2","1") = "5"
    & skf21("2","6","1","1","5","4","3","1") = "5"
    & skf21("2","6","1","1","5","4","4","1") = "5"
    & skf21("2","6","1","1","5","4","5","1") = "5"
    & skf21("2","6","1","1","5","4","6","1") = "5"
    & skf21("2","6","1","1","5","4","7","1") = "6"
    & skf21("2","6","1","1","5","5","1","1") = "5"
    & skf21("2","6","1","1","5","5","2","1") = "5"
    & skf21("2","6","1","1","5","5","3","1") = "5"
    & skf21("2","6","1","1","5","5","4","1") = "5"
    & skf21("2","6","1","1","5","5","5","1") = "5"
    & skf21("2","6","1","1","5","5","6","1") = "5"
    & skf21("2","6","1","1","5","5","7","1") = "6"
    & skf21("2","6","1","1","5","6","1","1") = "5"
    & skf21("2","6","1","1","5","6","2","1") = "5"
    & skf21("2","6","1","1","5","6","3","1") = "5"
    & skf21("2","6","1","1","5","6","4","1") = "5"
    & skf21("2","6","1","1","5","6","5","1") = "5"
    & skf21("2","6","1","1","5","6","6","1") = "5"
    & skf21("2","6","1","1","5","6","7","1") = "6"
    & skf21("2","6","1","1","5","7","1","1") = "6"
    & skf21("2","6","1","1","5","7","2","1") = "6"
    & skf21("2","6","1","1","5","7","3","1") = "6"
    & skf21("2","6","1","1","5","7","4","1") = "6"
    & skf21("2","6","1","1","5","7","5","1") = "6"
    & skf21("2","6","1","1","5","7","6","1") = "6"
    & skf21("2","6","1","1","5","7","7","1") = "6"
    & skf21("2","6","1","1","6","1","1","1") = "5"
    & skf21("2","6","1","1","6","1","2","1") = "5"
    & skf21("2","6","1","1","6","1","3","1") = "5"
    & skf21("2","6","1","1","6","1","4","1") = "5"
    & skf21("2","6","1","1","6","1","5","1") = "5"
    & skf21("2","6","1","1","6","1","6","1") = "5"
    & skf21("2","6","1","1","6","1","7","1") = "6"
    & skf21("2","6","1","1","6","2","1","1") = "5"
    & skf21("2","6","1","1","6","2","2","1") = "5"
    & skf21("2","6","1","1","6","2","3","1") = "5"
    & skf21("2","6","1","1","6","2","4","1") = "5"
    & skf21("2","6","1","1","6","2","5","1") = "5"
    & skf21("2","6","1","1","6","2","6","1") = "5"
    & skf21("2","6","1","1","6","2","7","1") = "6"
    & skf21("2","6","1","1","6","3","1","1") = "5"
    & skf21("2","6","1","1","6","3","2","1") = "5"
    & skf21("2","6","1","1","6","3","3","1") = "5"
    & skf21("2","6","1","1","6","3","4","1") = "5"
    & skf21("2","6","1","1","6","3","5","1") = "5"
    & skf21("2","6","1","1","6","3","6","1") = "5"
    & skf21("2","6","1","1","6","3","7","1") = "6"
    & skf21("2","6","1","1","6","4","1","1") = "5"
    & skf21("2","6","1","1","6","4","2","1") = "5"
    & skf21("2","6","1","1","6","4","3","1") = "5"
    & skf21("2","6","1","1","6","4","4","1") = "5"
    & skf21("2","6","1","1","6","4","5","1") = "5"
    & skf21("2","6","1","1","6","4","6","1") = "5"
    & skf21("2","6","1","1","6","4","7","1") = "6"
    & skf21("2","6","1","1","6","5","1","1") = "5"
    & skf21("2","6","1","1","6","5","2","1") = "5"
    & skf21("2","6","1","1","6","5","3","1") = "5"
    & skf21("2","6","1","1","6","5","4","1") = "5"
    & skf21("2","6","1","1","6","5","5","1") = "5"
    & skf21("2","6","1","1","6","5","6","1") = "5"
    & skf21("2","6","1","1","6","5","7","1") = "6"
    & skf21("2","6","1","1","6","6","1","1") = "5"
    & skf21("2","6","1","1","6","6","2","1") = "5"
    & skf21("2","6","1","1","6","6","3","1") = "5"
    & skf21("2","6","1","1","6","6","4","1") = "5"
    & skf21("2","6","1","1","6","6","5","1") = "5"
    & skf21("2","6","1","1","6","6","6","1") = "5"
    & skf21("2","6","1","1","6","6","7","1") = "6"
    & skf21("2","6","1","1","6","7","1","1") = "6"
    & skf21("2","6","1","1","6","7","2","1") = "6"
    & skf21("2","6","1","1","6","7","3","1") = "6"
    & skf21("2","6","1","1","6","7","4","1") = "6"
    & skf21("2","6","1","1","6","7","5","1") = "6"
    & skf21("2","6","1","1","6","7","6","1") = "6"
    & skf21("2","6","1","1","6","7","7","1") = "6"
    & skf21("2","6","1","1","7","1","1","1") = "6"
    & skf21("2","6","1","1","7","1","2","1") = "6"
    & skf21("2","6","1","1","7","1","3","1") = "6"
    & skf21("2","6","1","1","7","1","4","1") = "6"
    & skf21("2","6","1","1","7","1","5","1") = "6"
    & skf21("2","6","1","1","7","1","6","1") = "6"
    & skf21("2","6","1","1","7","1","7","1") = "6"
    & skf21("2","6","1","1","7","2","1","1") = "6"
    & skf21("2","6","1","1","7","2","2","1") = "6"
    & skf21("2","6","1","1","7","2","3","1") = "6"
    & skf21("2","6","1","1","7","2","4","1") = "6"
    & skf21("2","6","1","1","7","2","5","1") = "6"
    & skf21("2","6","1","1","7","2","6","1") = "6"
    & skf21("2","6","1","1","7","2","7","1") = "6"
    & skf21("2","6","1","1","7","3","1","1") = "6"
    & skf21("2","6","1","1","7","3","2","1") = "6"
    & skf21("2","6","1","1","7","3","3","1") = "6"
    & skf21("2","6","1","1","7","3","4","1") = "6"
    & skf21("2","6","1","1","7","3","5","1") = "6"
    & skf21("2","6","1","1","7","3","6","1") = "6"
    & skf21("2","6","1","1","7","3","7","1") = "6"
    & skf21("2","6","1","1","7","4","1","1") = "6"
    & skf21("2","6","1","1","7","4","2","1") = "6"
    & skf21("2","6","1","1","7","4","3","1") = "6"
    & skf21("2","6","1","1","7","4","4","1") = "6"
    & skf21("2","6","1","1","7","4","5","1") = "6"
    & skf21("2","6","1","1","7","4","6","1") = "6"
    & skf21("2","6","1","1","7","4","7","1") = "6"
    & skf21("2","6","1","1","7","5","1","1") = "6"
    & skf21("2","6","1","1","7","5","2","1") = "6"
    & skf21("2","6","1","1","7","5","3","1") = "6"
    & skf21("2","6","1","1","7","5","4","1") = "6"
    & skf21("2","6","1","1","7","5","5","1") = "6"
    & skf21("2","6","1","1","7","5","6","1") = "6"
    & skf21("2","6","1","1","7","5","7","1") = "6"
    & skf21("2","6","1","1","7","6","1","1") = "6"
    & skf21("2","6","1","1","7","6","2","1") = "6"
    & skf21("2","6","1","1","7","6","3","1") = "6"
    & skf21("2","6","1","1","7","6","4","1") = "6"
    & skf21("2","6","1","1","7","6","5","1") = "6"
    & skf21("2","6","1","1","7","6","6","1") = "6"
    & skf21("2","6","1","1","7","6","7","1") = "6"
    & skf21("2","6","1","1","7","7","1","1") = "6"
    & skf21("2","6","1","1","7","7","2","1") = "6"
    & skf21("2","6","1","1","7","7","3","1") = "6"
    & skf21("2","6","1","1","7","7","4","1") = "6"
    & skf21("2","6","1","1","7","7","5","1") = "6"
    & skf21("2","6","1","1","7","7","6","1") = "6"
    & skf21("2","6","1","1","7","7","7","1") = "6"
    & skf21("2","6","1","2","1","1","1","1") = "5"
    & skf21("2","6","1","2","1","1","2","1") = "5"
    & skf21("2","6","1","2","1","1","3","1") = "5"
    & skf21("2","6","1","2","1","1","4","1") = "5"
    & skf21("2","6","1","2","1","1","5","1") = "5"
    & skf21("2","6","1","2","1","1","6","1") = "5"
    & skf21("2","6","1","2","1","1","7","1") = "6"
    & skf21("2","6","1","2","1","2","1","1") = "5"
    & skf21("2","6","1","2","1","2","2","1") = "5"
    & skf21("2","6","1","2","1","2","3","1") = "5"
    & skf21("2","6","1","2","1","2","4","1") = "5"
    & skf21("2","6","1","2","1","2","5","1") = "5"
    & skf21("2","6","1","2","1","2","6","1") = "5"
    & skf21("2","6","1","2","1","2","7","1") = "6"
    & skf21("2","6","1","2","1","3","1","1") = "5"
    & skf21("2","6","1","2","1","3","2","1") = "5"
    & skf21("2","6","1","2","1","3","3","1") = "5"
    & skf21("2","6","1","2","1","3","4","1") = "5"
    & skf21("2","6","1","2","1","3","5","1") = "5"
    & skf21("2","6","1","2","1","3","6","1") = "5"
    & skf21("2","6","1","2","1","3","7","1") = "6"
    & skf21("2","6","1","2","1","4","1","1") = "5"
    & skf21("2","6","1","2","1","4","2","1") = "5"
    & skf21("2","6","1","2","1","4","3","1") = "5"
    & skf21("2","6","1","2","1","4","4","1") = "5"
    & skf21("2","6","1","2","1","4","5","1") = "5"
    & skf21("2","6","1","2","1","4","6","1") = "5"
    & skf21("2","6","1","2","1","4","7","1") = "6"
    & skf21("2","6","1","2","1","5","1","1") = "5"
    & skf21("2","6","1","2","1","5","2","1") = "5"
    & skf21("2","6","1","2","1","5","3","1") = "5"
    & skf21("2","6","1","2","1","5","4","1") = "5"
    & skf21("2","6","1","2","1","5","5","1") = "5"
    & skf21("2","6","1","2","1","5","6","1") = "5"
    & skf21("2","6","1","2","1","5","7","1") = "6"
    & skf21("2","6","1","2","1","6","1","1") = "5"
    & skf21("2","6","1","2","1","6","2","1") = "5"
    & skf21("2","6","1","2","1","6","3","1") = "5"
    & skf21("2","6","1","2","1","6","4","1") = "5"
    & skf21("2","6","1","2","1","6","5","1") = "5"
    & skf21("2","6","1","2","1","6","6","1") = "5"
    & skf21("2","6","1","2","1","6","7","1") = "6"
    & skf21("2","6","1","2","1","7","1","1") = "6"
    & skf21("2","6","1","2","1","7","2","1") = "6"
    & skf21("2","6","1","2","1","7","3","1") = "6"
    & skf21("2","6","1","2","1","7","4","1") = "6"
    & skf21("2","6","1","2","1","7","5","1") = "6"
    & skf21("2","6","1","2","1","7","6","1") = "6"
    & skf21("2","6","1","2","1","7","7","1") = "6"
    & skf21("2","6","1","2","2","1","1","1") = "5"
    & skf21("2","6","1","2","2","1","2","1") = "5"
    & skf21("2","6","1","2","2","1","3","1") = "5"
    & skf21("2","6","1","2","2","1","4","1") = "5"
    & skf21("2","6","1","2","2","1","5","1") = "5"
    & skf21("2","6","1","2","2","1","6","1") = "5"
    & skf21("2","6","1","2","2","1","7","1") = "6"
    & skf21("2","6","1","2","2","2","1","1") = "5"
    & skf21("2","6","1","2","2","2","2","1") = "5"
    & skf21("2","6","1","2","2","2","3","1") = "5"
    & skf21("2","6","1","2","2","2","4","1") = "5"
    & skf21("2","6","1","2","2","2","5","1") = "5"
    & skf21("2","6","1","2","2","2","6","1") = "5"
    & skf21("2","6","1","2","2","2","7","1") = "6"
    & skf21("2","6","1","2","2","3","1","1") = "5"
    & skf21("2","6","1","2","2","3","2","1") = "5"
    & skf21("2","6","1","2","2","3","3","1") = "5"
    & skf21("2","6","1","2","2","3","4","1") = "5"
    & skf21("2","6","1","2","2","3","5","1") = "5"
    & skf21("2","6","1","2","2","3","6","1") = "5"
    & skf21("2","6","1","2","2","3","7","1") = "6"
    & skf21("2","6","1","2","2","4","1","1") = "5"
    & skf21("2","6","1","2","2","4","2","1") = "5"
    & skf21("2","6","1","2","2","4","3","1") = "5"
    & skf21("2","6","1","2","2","4","4","1") = "5"
    & skf21("2","6","1","2","2","4","5","1") = "5"
    & skf21("2","6","1","2","2","4","6","1") = "5"
    & skf21("2","6","1","2","2","4","7","1") = "6"
    & skf21("2","6","1","2","2","5","1","1") = "5"
    & skf21("2","6","1","2","2","5","2","1") = "5"
    & skf21("2","6","1","2","2","5","3","1") = "5"
    & skf21("2","6","1","2","2","5","4","1") = "5"
    & skf21("2","6","1","2","2","5","5","1") = "5"
    & skf21("2","6","1","2","2","5","6","1") = "5"
    & skf21("2","6","1","2","2","5","7","1") = "6"
    & skf21("2","6","1","2","2","6","1","1") = "5"
    & skf21("2","6","1","2","2","6","2","1") = "5"
    & skf21("2","6","1","2","2","6","3","1") = "5"
    & skf21("2","6","1","2","2","6","4","1") = "5"
    & skf21("2","6","1","2","2","6","5","1") = "5"
    & skf21("2","6","1","2","2","6","6","1") = "5"
    & skf21("2","6","1","2","2","6","7","1") = "6"
    & skf21("2","6","1","2","2","7","1","1") = "6"
    & skf21("2","6","1","2","2","7","2","1") = "6"
    & skf21("2","6","1","2","2","7","3","1") = "6"
    & skf21("2","6","1","2","2","7","4","1") = "6"
    & skf21("2","6","1","2","2","7","5","1") = "6"
    & skf21("2","6","1","2","2","7","6","1") = "6"
    & skf21("2","6","1","2","2","7","7","1") = "6"
    & skf21("2","6","1","2","3","1","1","1") = "5"
    & skf21("2","6","1","2","3","1","2","1") = "5"
    & skf21("2","6","1","2","3","1","3","1") = "5"
    & skf21("2","6","1","2","3","1","4","1") = "5"
    & skf21("2","6","1","2","3","1","5","1") = "5"
    & skf21("2","6","1","2","3","1","6","1") = "5"
    & skf21("2","6","1","2","3","1","7","1") = "6"
    & skf21("2","6","1","2","3","2","1","1") = "5"
    & skf21("2","6","1","2","3","2","2","1") = "5"
    & skf21("2","6","1","2","3","2","3","1") = "5"
    & skf21("2","6","1","2","3","2","4","1") = "5"
    & skf21("2","6","1","2","3","2","5","1") = "5"
    & skf21("2","6","1","2","3","2","6","1") = "5"
    & skf21("2","6","1","2","3","2","7","1") = "6"
    & skf21("2","6","1","2","3","3","1","1") = "5"
    & skf21("2","6","1","2","3","3","2","1") = "5"
    & skf21("2","6","1","2","3","3","3","1") = "5"
    & skf21("2","6","1","2","3","3","4","1") = "5"
    & skf21("2","6","1","2","3","3","5","1") = "5"
    & skf21("2","6","1","2","3","3","6","1") = "5"
    & skf21("2","6","1","2","3","3","7","1") = "6"
    & skf21("2","6","1","2","3","4","1","1") = "5"
    & skf21("2","6","1","2","3","4","2","1") = "5"
    & skf21("2","6","1","2","3","4","3","1") = "5"
    & skf21("2","6","1","2","3","4","4","1") = "5"
    & skf21("2","6","1","2","3","4","5","1") = "5"
    & skf21("2","6","1","2","3","4","6","1") = "5"
    & skf21("2","6","1","2","3","4","7","1") = "6"
    & skf21("2","6","1","2","3","5","1","1") = "5"
    & skf21("2","6","1","2","3","5","2","1") = "5"
    & skf21("2","6","1","2","3","5","3","1") = "5"
    & skf21("2","6","1","2","3","5","4","1") = "5"
    & skf21("2","6","1","2","3","5","5","1") = "5"
    & skf21("2","6","1","2","3","5","6","1") = "5"
    & skf21("2","6","1","2","3","5","7","1") = "6"
    & skf21("2","6","1","2","3","6","1","1") = "5"
    & skf21("2","6","1","2","3","6","2","1") = "5"
    & skf21("2","6","1","2","3","6","3","1") = "5"
    & skf21("2","6","1","2","3","6","4","1") = "5"
    & skf21("2","6","1","2","3","6","5","1") = "5"
    & skf21("2","6","1","2","3","6","6","1") = "5"
    & skf21("2","6","1","2","3","6","7","1") = "6"
    & skf21("2","6","1","2","3","7","1","1") = "6"
    & skf21("2","6","1","2","3","7","2","1") = "6"
    & skf21("2","6","1","2","3","7","3","1") = "6"
    & skf21("2","6","1","2","3","7","4","1") = "6"
    & skf21("2","6","1","2","3","7","5","1") = "6"
    & skf21("2","6","1","2","3","7","6","1") = "6"
    & skf21("2","6","1","2","3","7","7","1") = "6"
    & skf21("2","6","1","2","4","1","1","1") = "5"
    & skf21("2","6","1","2","4","1","2","1") = "5"
    & skf21("2","6","1","2","4","1","3","1") = "5"
    & skf21("2","6","1","2","4","1","4","1") = "5"
    & skf21("2","6","1","2","4","1","5","1") = "5"
    & skf21("2","6","1","2","4","1","6","1") = "5"
    & skf21("2","6","1","2","4","1","7","1") = "6"
    & skf21("2","6","1","2","4","2","1","1") = "5"
    & skf21("2","6","1","2","4","2","2","1") = "5"
    & skf21("2","6","1","2","4","2","3","1") = "5"
    & skf21("2","6","1","2","4","2","4","1") = "5"
    & skf21("2","6","1","2","4","2","5","1") = "5"
    & skf21("2","6","1","2","4","2","6","1") = "5"
    & skf21("2","6","1","2","4","2","7","1") = "6"
    & skf21("2","6","1","2","4","3","1","1") = "5"
    & skf21("2","6","1","2","4","3","2","1") = "5"
    & skf21("2","6","1","2","4","3","3","1") = "5"
    & skf21("2","6","1","2","4","3","4","1") = "5"
    & skf21("2","6","1","2","4","3","5","1") = "5"
    & skf21("2","6","1","2","4","3","6","1") = "5"
    & skf21("2","6","1","2","4","3","7","1") = "6"
    & skf21("2","6","1","2","4","4","1","1") = "5"
    & skf21("2","6","1","2","4","4","2","1") = "5"
    & skf21("2","6","1","2","4","4","3","1") = "5"
    & skf21("2","6","1","2","4","4","4","1") = "5"
    & skf21("2","6","1","2","4","4","5","1") = "5"
    & skf21("2","6","1","2","4","4","6","1") = "5"
    & skf21("2","6","1","2","4","4","7","1") = "6"
    & skf21("2","6","1","2","4","5","1","1") = "5"
    & skf21("2","6","1","2","4","5","2","1") = "5"
    & skf21("2","6","1","2","4","5","3","1") = "5"
    & skf21("2","6","1","2","4","5","4","1") = "5"
    & skf21("2","6","1","2","4","5","5","1") = "5"
    & skf21("2","6","1","2","4","5","6","1") = "5"
    & skf21("2","6","1","2","4","5","7","1") = "6"
    & skf21("2","6","1","2","4","6","1","1") = "5"
    & skf21("2","6","1","2","4","6","2","1") = "5"
    & skf21("2","6","1","2","4","6","3","1") = "5"
    & skf21("2","6","1","2","4","6","4","1") = "5"
    & skf21("2","6","1","2","4","6","5","1") = "5"
    & skf21("2","6","1","2","4","6","6","1") = "5"
    & skf21("2","6","1","2","4","6","7","1") = "6"
    & skf21("2","6","1","2","4","7","1","1") = "6"
    & skf21("2","6","1","2","4","7","2","1") = "6"
    & skf21("2","6","1","2","4","7","3","1") = "6"
    & skf21("2","6","1","2","4","7","4","1") = "6"
    & skf21("2","6","1","2","4","7","5","1") = "6"
    & skf21("2","6","1","2","4","7","6","1") = "6"
    & skf21("2","6","1","2","4","7","7","1") = "6"
    & skf21("2","6","1","2","5","1","1","1") = "5"
    & skf21("2","6","1","2","5","1","2","1") = "5"
    & skf21("2","6","1","2","5","1","3","1") = "5"
    & skf21("2","6","1","2","5","1","4","1") = "5"
    & skf21("2","6","1","2","5","1","5","1") = "5"
    & skf21("2","6","1","2","5","1","6","1") = "5"
    & skf21("2","6","1","2","5","1","7","1") = "6"
    & skf21("2","6","1","2","5","2","1","1") = "5"
    & skf21("2","6","1","2","5","2","2","1") = "5"
    & skf21("2","6","1","2","5","2","3","1") = "5"
    & skf21("2","6","1","2","5","2","4","1") = "5"
    & skf21("2","6","1","2","5","2","5","1") = "5"
    & skf21("2","6","1","2","5","2","6","1") = "5"
    & skf21("2","6","1","2","5","2","7","1") = "6"
    & skf21("2","6","1","2","5","3","1","1") = "5"
    & skf21("2","6","1","2","5","3","2","1") = "5"
    & skf21("2","6","1","2","5","3","3","1") = "5"
    & skf21("2","6","1","2","5","3","4","1") = "5"
    & skf21("2","6","1","2","5","3","5","1") = "5"
    & skf21("2","6","1","2","5","3","6","1") = "5"
    & skf21("2","6","1","2","5","3","7","1") = "6"
    & skf21("2","6","1","2","5","4","1","1") = "5"
    & skf21("2","6","1","2","5","4","2","1") = "5"
    & skf21("2","6","1","2","5","4","3","1") = "5"
    & skf21("2","6","1","2","5","4","4","1") = "5"
    & skf21("2","6","1","2","5","4","5","1") = "5"
    & skf21("2","6","1","2","5","4","6","1") = "5"
    & skf21("2","6","1","2","5","4","7","1") = "6"
    & skf21("2","6","1","2","5","5","1","1") = "5"
    & skf21("2","6","1","2","5","5","2","1") = "5"
    & skf21("2","6","1","2","5","5","3","1") = "5"
    & skf21("2","6","1","2","5","5","4","1") = "5"
    & skf21("2","6","1","2","5","5","5","1") = "5"
    & skf21("2","6","1","2","5","5","6","1") = "5"
    & skf21("2","6","1","2","5","5","7","1") = "6"
    & skf21("2","6","1","2","5","6","1","1") = "5"
    & skf21("2","6","1","2","5","6","2","1") = "5"
    & skf21("2","6","1","2","5","6","3","1") = "5"
    & skf21("2","6","1","2","5","6","4","1") = "5"
    & skf21("2","6","1","2","5","6","5","1") = "5"
    & skf21("2","6","1","2","5","6","6","1") = "5"
    & skf21("2","6","1","2","5","6","7","1") = "6"
    & skf21("2","6","1","2","5","7","1","1") = "6"
    & skf21("2","6","1","2","5","7","2","1") = "6"
    & skf21("2","6","1","2","5","7","3","1") = "6"
    & skf21("2","6","1","2","5","7","4","1") = "6"
    & skf21("2","6","1","2","5","7","5","1") = "6"
    & skf21("2","6","1","2","5","7","6","1") = "6"
    & skf21("2","6","1","2","5","7","7","1") = "6"
    & skf21("2","6","1","2","6","1","1","1") = "5"
    & skf21("2","6","1","2","6","1","2","1") = "5"
    & skf21("2","6","1","2","6","1","3","1") = "5"
    & skf21("2","6","1","2","6","1","4","1") = "5"
    & skf21("2","6","1","2","6","1","5","1") = "5"
    & skf21("2","6","1","2","6","1","6","1") = "5"
    & skf21("2","6","1","2","6","1","7","1") = "6"
    & skf21("2","6","1","2","6","2","1","1") = "5"
    & skf21("2","6","1","2","6","2","2","1") = "5"
    & skf21("2","6","1","2","6","2","3","1") = "5"
    & skf21("2","6","1","2","6","2","4","1") = "5"
    & skf21("2","6","1","2","6","2","5","1") = "5"
    & skf21("2","6","1","2","6","2","6","1") = "5"
    & skf21("2","6","1","2","6","2","7","1") = "6"
    & skf21("2","6","1","2","6","3","1","1") = "5"
    & skf21("2","6","1","2","6","3","2","1") = "5"
    & skf21("2","6","1","2","6","3","3","1") = "5"
    & skf21("2","6","1","2","6","3","4","1") = "5"
    & skf21("2","6","1","2","6","3","5","1") = "5"
    & skf21("2","6","1","2","6","3","6","1") = "5"
    & skf21("2","6","1","2","6","3","7","1") = "6"
    & skf21("2","6","1","2","6","4","1","1") = "5"
    & skf21("2","6","1","2","6","4","2","1") = "5"
    & skf21("2","6","1","2","6","4","3","1") = "5"
    & skf21("2","6","1","2","6","4","4","1") = "5"
    & skf21("2","6","1","2","6","4","5","1") = "5"
    & skf21("2","6","1","2","6","4","6","1") = "5"
    & skf21("2","6","1","2","6","4","7","1") = "6"
    & skf21("2","6","1","2","6","5","1","1") = "5"
    & skf21("2","6","1","2","6","5","2","1") = "5"
    & skf21("2","6","1","2","6","5","3","1") = "5"
    & skf21("2","6","1","2","6","5","4","1") = "5"
    & skf21("2","6","1","2","6","5","5","1") = "5"
    & skf21("2","6","1","2","6","5","6","1") = "5"
    & skf21("2","6","1","2","6","5","7","1") = "6"
    & skf21("2","6","1","2","6","6","1","1") = "5"
    & skf21("2","6","1","2","6","6","2","1") = "5"
    & skf21("2","6","1","2","6","6","3","1") = "5"
    & skf21("2","6","1","2","6","6","4","1") = "5"
    & skf21("2","6","1","2","6","6","5","1") = "5"
    & skf21("2","6","1","2","6","6","6","1") = "5"
    & skf21("2","6","1","2","6","6","7","1") = "6"
    & skf21("2","6","1","2","6","7","1","1") = "6"
    & skf21("2","6","1","2","6","7","2","1") = "6"
    & skf21("2","6","1","2","6","7","3","1") = "6"
    & skf21("2","6","1","2","6","7","4","1") = "6"
    & skf21("2","6","1","2","6","7","5","1") = "6"
    & skf21("2","6","1","2","6","7","6","1") = "6"
    & skf21("2","6","1","2","6","7","7","1") = "6"
    & skf21("2","6","1","2","7","1","1","1") = "6"
    & skf21("2","6","1","2","7","1","2","1") = "6"
    & skf21("2","6","1","2","7","1","3","1") = "6"
    & skf21("2","6","1","2","7","1","4","1") = "6"
    & skf21("2","6","1","2","7","1","5","1") = "6"
    & skf21("2","6","1","2","7","1","6","1") = "6"
    & skf21("2","6","1","2","7","1","7","1") = "6"
    & skf21("2","6","1","2","7","2","1","1") = "6"
    & skf21("2","6","1","2","7","2","2","1") = "6"
    & skf21("2","6","1","2","7","2","3","1") = "6"
    & skf21("2","6","1","2","7","2","4","1") = "6"
    & skf21("2","6","1","2","7","2","5","1") = "6"
    & skf21("2","6","1","2","7","2","6","1") = "6"
    & skf21("2","6","1","2","7","2","7","1") = "6"
    & skf21("2","6","1","2","7","3","1","1") = "6"
    & skf21("2","6","1","2","7","3","2","1") = "6"
    & skf21("2","6","1","2","7","3","3","1") = "6"
    & skf21("2","6","1","2","7","3","4","1") = "6"
    & skf21("2","6","1","2","7","3","5","1") = "6"
    & skf21("2","6","1","2","7","3","6","1") = "6"
    & skf21("2","6","1","2","7","3","7","1") = "6"
    & skf21("2","6","1","2","7","4","1","1") = "6"
    & skf21("2","6","1","2","7","4","2","1") = "6"
    & skf21("2","6","1","2","7","4","3","1") = "6"
    & skf21("2","6","1","2","7","4","4","1") = "6"
    & skf21("2","6","1","2","7","4","5","1") = "6"
    & skf21("2","6","1","2","7","4","6","1") = "6"
    & skf21("2","6","1","2","7","4","7","1") = "6"
    & skf21("2","6","1","2","7","5","1","1") = "6"
    & skf21("2","6","1","2","7","5","2","1") = "6"
    & skf21("2","6","1","2","7","5","3","1") = "6"
    & skf21("2","6","1","2","7","5","4","1") = "6"
    & skf21("2","6","1","2","7","5","5","1") = "6"
    & skf21("2","6","1","2","7","5","6","1") = "6"
    & skf21("2","6","1","2","7","5","7","1") = "6"
    & skf21("2","6","1","2","7","6","1","1") = "6"
    & skf21("2","6","1","2","7","6","2","1") = "6"
    & skf21("2","6","1","2","7","6","3","1") = "6"
    & skf21("2","6","1","2","7","6","4","1") = "6"
    & skf21("2","6","1","2","7","6","5","1") = "6"
    & skf21("2","6","1","2","7","6","6","1") = "6"
    & skf21("2","6","1","2","7","6","7","1") = "6"
    & skf21("2","6","1","2","7","7","1","1") = "6"
    & skf21("2","6","1","2","7","7","2","1") = "6"
    & skf21("2","6","1","2","7","7","3","1") = "6"
    & skf21("2","6","1","2","7","7","4","1") = "6"
    & skf21("2","6","1","2","7","7","5","1") = "6"
    & skf21("2","6","1","2","7","7","6","1") = "6"
    & skf21("2","6","1","2","7","7","7","1") = "6"
    & skf21("2","6","1","3","1","1","1","1") = "5"
    & skf21("2","6","1","3","1","1","2","1") = "5"
    & skf21("2","6","1","3","1","1","3","1") = "5"
    & skf21("2","6","1","3","1","1","4","1") = "5"
    & skf21("2","6","1","3","1","1","5","1") = "5"
    & skf21("2","6","1","3","1","1","6","1") = "5"
    & skf21("2","6","1","3","1","1","7","1") = "6"
    & skf21("2","6","1","3","1","2","1","1") = "5"
    & skf21("2","6","1","3","1","2","2","1") = "5"
    & skf21("2","6","1","3","1","2","3","1") = "5"
    & skf21("2","6","1","3","1","2","4","1") = "5"
    & skf21("2","6","1","3","1","2","5","1") = "5"
    & skf21("2","6","1","3","1","2","6","1") = "5"
    & skf21("2","6","1","3","1","2","7","1") = "6"
    & skf21("2","6","1","3","1","3","1","1") = "5"
    & skf21("2","6","1","3","1","3","2","1") = "5"
    & skf21("2","6","1","3","1","3","3","1") = "5"
    & skf21("2","6","1","3","1","3","4","1") = "5"
    & skf21("2","6","1","3","1","3","5","1") = "5"
    & skf21("2","6","1","3","1","3","6","1") = "5"
    & skf21("2","6","1","3","1","3","7","1") = "6"
    & skf21("2","6","1","3","1","4","1","1") = "5"
    & skf21("2","6","1","3","1","4","2","1") = "5"
    & skf21("2","6","1","3","1","4","3","1") = "5"
    & skf21("2","6","1","3","1","4","4","1") = "5"
    & skf21("2","6","1","3","1","4","5","1") = "5"
    & skf21("2","6","1","3","1","4","6","1") = "5"
    & skf21("2","6","1","3","1","4","7","1") = "6"
    & skf21("2","6","1","3","1","5","1","1") = "5"
    & skf21("2","6","1","3","1","5","2","1") = "5"
    & skf21("2","6","1","3","1","5","3","1") = "5"
    & skf21("2","6","1","3","1","5","4","1") = "5"
    & skf21("2","6","1","3","1","5","5","1") = "5"
    & skf21("2","6","1","3","1","5","6","1") = "5"
    & skf21("2","6","1","3","1","5","7","1") = "6"
    & skf21("2","6","1","3","1","6","1","1") = "5"
    & skf21("2","6","1","3","1","6","2","1") = "5"
    & skf21("2","6","1","3","1","6","3","1") = "5"
    & skf21("2","6","1","3","1","6","4","1") = "5"
    & skf21("2","6","1","3","1","6","5","1") = "5"
    & skf21("2","6","1","3","1","6","6","1") = "5"
    & skf21("2","6","1","3","1","6","7","1") = "6"
    & skf21("2","6","1","3","1","7","1","1") = "6"
    & skf21("2","6","1","3","1","7","2","1") = "6"
    & skf21("2","6","1","3","1","7","3","1") = "6"
    & skf21("2","6","1","3","1","7","4","1") = "6"
    & skf21("2","6","1","3","1","7","5","1") = "6"
    & skf21("2","6","1","3","1","7","6","1") = "6"
    & skf21("2","6","1","3","1","7","7","1") = "6"
    & skf21("2","6","1","3","2","1","1","1") = "5"
    & skf21("2","6","1","3","2","1","2","1") = "5"
    & skf21("2","6","1","3","2","1","3","1") = "5"
    & skf21("2","6","1","3","2","1","4","1") = "5"
    & skf21("2","6","1","3","2","1","5","1") = "5"
    & skf21("2","6","1","3","2","1","6","1") = "5"
    & skf21("2","6","1","3","2","1","7","1") = "6"
    & skf21("2","6","1","3","2","2","1","1") = "5"
    & skf21("2","6","1","3","2","2","2","1") = "5"
    & skf21("2","6","1","3","2","2","3","1") = "5"
    & skf21("2","6","1","3","2","2","4","1") = "5"
    & skf21("2","6","1","3","2","2","5","1") = "5"
    & skf21("2","6","1","3","2","2","6","1") = "5"
    & skf21("2","6","1","3","2","2","7","1") = "6"
    & skf21("2","6","1","3","2","3","1","1") = "5"
    & skf21("2","6","1","3","2","3","2","1") = "5"
    & skf21("2","6","1","3","2","3","3","1") = "5"
    & skf21("2","6","1","3","2","3","4","1") = "5"
    & skf21("2","6","1","3","2","3","5","1") = "5"
    & skf21("2","6","1","3","2","3","6","1") = "5"
    & skf21("2","6","1","3","2","3","7","1") = "6"
    & skf21("2","6","1","3","2","4","1","1") = "5"
    & skf21("2","6","1","3","2","4","2","1") = "5"
    & skf21("2","6","1","3","2","4","3","1") = "5"
    & skf21("2","6","1","3","2","4","4","1") = "5"
    & skf21("2","6","1","3","2","4","5","1") = "5"
    & skf21("2","6","1","3","2","4","6","1") = "5"
    & skf21("2","6","1","3","2","4","7","1") = "6"
    & skf21("2","6","1","3","2","5","1","1") = "5"
    & skf21("2","6","1","3","2","5","2","1") = "5"
    & skf21("2","6","1","3","2","5","3","1") = "5"
    & skf21("2","6","1","3","2","5","4","1") = "5"
    & skf21("2","6","1","3","2","5","5","1") = "5"
    & skf21("2","6","1","3","2","5","6","1") = "5"
    & skf21("2","6","1","3","2","5","7","1") = "6"
    & skf21("2","6","1","3","2","6","1","1") = "5"
    & skf21("2","6","1","3","2","6","2","1") = "5"
    & skf21("2","6","1","3","2","6","3","1") = "5"
    & skf21("2","6","1","3","2","6","4","1") = "5"
    & skf21("2","6","1","3","2","6","5","1") = "5"
    & skf21("2","6","1","3","2","6","6","1") = "5"
    & skf21("2","6","1","3","2","6","7","1") = "6"
    & skf21("2","6","1","3","2","7","1","1") = "6"
    & skf21("2","6","1","3","2","7","2","1") = "6"
    & skf21("2","6","1","3","2","7","3","1") = "6"
    & skf21("2","6","1","3","2","7","4","1") = "6"
    & skf21("2","6","1","3","2","7","5","1") = "6"
    & skf21("2","6","1","3","2","7","6","1") = "6"
    & skf21("2","6","1","3","2","7","7","1") = "6"
    & skf21("2","6","1","3","3","1","1","1") = "5"
    & skf21("2","6","1","3","3","1","2","1") = "5"
    & skf21("2","6","1","3","3","1","3","1") = "5"
    & skf21("2","6","1","3","3","1","4","1") = "5"
    & skf21("2","6","1","3","3","1","5","1") = "5"
    & skf21("2","6","1","3","3","1","6","1") = "5"
    & skf21("2","6","1","3","3","1","7","1") = "6"
    & skf21("2","6","1","3","3","2","1","1") = "5"
    & skf21("2","6","1","3","3","2","2","1") = "5"
    & skf21("2","6","1","3","3","2","3","1") = "5"
    & skf21("2","6","1","3","3","2","4","1") = "5"
    & skf21("2","6","1","3","3","2","5","1") = "5"
    & skf21("2","6","1","3","3","2","6","1") = "5"
    & skf21("2","6","1","3","3","2","7","1") = "6"
    & skf21("2","6","1","3","3","3","1","1") = "5"
    & skf21("2","6","1","3","3","3","2","1") = "5"
    & skf21("2","6","1","3","3","3","3","1") = "5"
    & skf21("2","6","1","3","3","3","4","1") = "5"
    & skf21("2","6","1","3","3","3","5","1") = "5"
    & skf21("2","6","1","3","3","3","6","1") = "5"
    & skf21("2","6","1","3","3","3","7","1") = "6"
    & skf21("2","6","1","3","3","4","1","1") = "5"
    & skf21("2","6","1","3","3","4","2","1") = "5"
    & skf21("2","6","1","3","3","4","3","1") = "5"
    & skf21("2","6","1","3","3","4","4","1") = "5"
    & skf21("2","6","1","3","3","4","5","1") = "5"
    & skf21("2","6","1","3","3","4","6","1") = "5"
    & skf21("2","6","1","3","3","4","7","1") = "6"
    & skf21("2","6","1","3","3","5","1","1") = "5"
    & skf21("2","6","1","3","3","5","2","1") = "5"
    & skf21("2","6","1","3","3","5","3","1") = "5"
    & skf21("2","6","1","3","3","5","4","1") = "5"
    & skf21("2","6","1","3","3","5","5","1") = "5"
    & skf21("2","6","1","3","3","5","6","1") = "5"
    & skf21("2","6","1","3","3","5","7","1") = "6"
    & skf21("2","6","1","3","3","6","1","1") = "5"
    & skf21("2","6","1","3","3","6","2","1") = "5"
    & skf21("2","6","1","3","3","6","3","1") = "5"
    & skf21("2","6","1","3","3","6","4","1") = "5"
    & skf21("2","6","1","3","3","6","5","1") = "5"
    & skf21("2","6","1","3","3","6","6","1") = "5"
    & skf21("2","6","1","3","3","6","7","1") = "6"
    & skf21("2","6","1","3","3","7","1","1") = "6"
    & skf21("2","6","1","3","3","7","2","1") = "6"
    & skf21("2","6","1","3","3","7","3","1") = "6"
    & skf21("2","6","1","3","3","7","4","1") = "6"
    & skf21("2","6","1","3","3","7","5","1") = "6"
    & skf21("2","6","1","3","3","7","6","1") = "6"
    & skf21("2","6","1","3","3","7","7","1") = "6"
    & skf21("2","6","1","3","4","1","1","1") = "5"
    & skf21("2","6","1","3","4","1","2","1") = "5"
    & skf21("2","6","1","3","4","1","3","1") = "5"
    & skf21("2","6","1","3","4","1","4","1") = "5"
    & skf21("2","6","1","3","4","1","5","1") = "5"
    & skf21("2","6","1","3","4","1","6","1") = "5"
    & skf21("2","6","1","3","4","1","7","1") = "6"
    & skf21("2","6","1","3","4","2","1","1") = "5"
    & skf21("2","6","1","3","4","2","2","1") = "5"
    & skf21("2","6","1","3","4","2","3","1") = "5"
    & skf21("2","6","1","3","4","2","4","1") = "5"
    & skf21("2","6","1","3","4","2","5","1") = "5"
    & skf21("2","6","1","3","4","2","6","1") = "5"
    & skf21("2","6","1","3","4","2","7","1") = "6"
    & skf21("2","6","1","3","4","3","1","1") = "5"
    & skf21("2","6","1","3","4","3","2","1") = "5"
    & skf21("2","6","1","3","4","3","3","1") = "5"
    & skf21("2","6","1","3","4","3","4","1") = "5"
    & skf21("2","6","1","3","4","3","5","1") = "5"
    & skf21("2","6","1","3","4","3","6","1") = "5"
    & skf21("2","6","1","3","4","3","7","1") = "6"
    & skf21("2","6","1","3","4","4","1","1") = "5"
    & skf21("2","6","1","3","4","4","2","1") = "5"
    & skf21("2","6","1","3","4","4","3","1") = "5"
    & skf21("2","6","1","3","4","4","4","1") = "5"
    & skf21("2","6","1","3","4","4","5","1") = "5"
    & skf21("2","6","1","3","4","4","6","1") = "5"
    & skf21("2","6","1","3","4","4","7","1") = "6"
    & skf21("2","6","1","3","4","5","1","1") = "5"
    & skf21("2","6","1","3","4","5","2","1") = "5"
    & skf21("2","6","1","3","4","5","3","1") = "5"
    & skf21("2","6","1","3","4","5","4","1") = "5"
    & skf21("2","6","1","3","4","5","5","1") = "5"
    & skf21("2","6","1","3","4","5","6","1") = "5"
    & skf21("2","6","1","3","4","5","7","1") = "6"
    & skf21("2","6","1","3","4","6","1","1") = "5"
    & skf21("2","6","1","3","4","6","2","1") = "5"
    & skf21("2","6","1","3","4","6","3","1") = "5"
    & skf21("2","6","1","3","4","6","4","1") = "5"
    & skf21("2","6","1","3","4","6","5","1") = "5"
    & skf21("2","6","1","3","4","6","6","1") = "5"
    & skf21("2","6","1","3","4","6","7","1") = "6"
    & skf21("2","6","1","3","4","7","1","1") = "6"
    & skf21("2","6","1","3","4","7","2","1") = "6"
    & skf21("2","6","1","3","4","7","3","1") = "6"
    & skf21("2","6","1","3","4","7","4","1") = "6"
    & skf21("2","6","1","3","4","7","5","1") = "6"
    & skf21("2","6","1","3","4","7","6","1") = "6"
    & skf21("2","6","1","3","4","7","7","1") = "6"
    & skf21("2","6","1","3","5","1","1","1") = "5"
    & skf21("2","6","1","3","5","1","2","1") = "5"
    & skf21("2","6","1","3","5","1","3","1") = "5"
    & skf21("2","6","1","3","5","1","4","1") = "5"
    & skf21("2","6","1","3","5","1","5","1") = "5"
    & skf21("2","6","1","3","5","1","6","1") = "5"
    & skf21("2","6","1","3","5","1","7","1") = "6"
    & skf21("2","6","1","3","5","2","1","1") = "5"
    & skf21("2","6","1","3","5","2","2","1") = "5"
    & skf21("2","6","1","3","5","2","3","1") = "5"
    & skf21("2","6","1","3","5","2","4","1") = "5"
    & skf21("2","6","1","3","5","2","5","1") = "5"
    & skf21("2","6","1","3","5","2","6","1") = "5"
    & skf21("2","6","1","3","5","2","7","1") = "6"
    & skf21("2","6","1","3","5","3","1","1") = "5"
    & skf21("2","6","1","3","5","3","2","1") = "5"
    & skf21("2","6","1","3","5","3","3","1") = "5"
    & skf21("2","6","1","3","5","3","4","1") = "5"
    & skf21("2","6","1","3","5","3","5","1") = "5"
    & skf21("2","6","1","3","5","3","6","1") = "5"
    & skf21("2","6","1","3","5","3","7","1") = "6"
    & skf21("2","6","1","3","5","4","1","1") = "5"
    & skf21("2","6","1","3","5","4","2","1") = "5"
    & skf21("2","6","1","3","5","4","3","1") = "5"
    & skf21("2","6","1","3","5","4","4","1") = "5"
    & skf21("2","6","1","3","5","4","5","1") = "5"
    & skf21("2","6","1","3","5","4","6","1") = "5"
    & skf21("2","6","1","3","5","4","7","1") = "6"
    & skf21("2","6","1","3","5","5","1","1") = "5"
    & skf21("2","6","1","3","5","5","2","1") = "5"
    & skf21("2","6","1","3","5","5","3","1") = "5"
    & skf21("2","6","1","3","5","5","4","1") = "5"
    & skf21("2","6","1","3","5","5","5","1") = "5"
    & skf21("2","6","1","3","5","5","6","1") = "5"
    & skf21("2","6","1","3","5","5","7","1") = "6"
    & skf21("2","6","1","3","5","6","1","1") = "5"
    & skf21("2","6","1","3","5","6","2","1") = "5"
    & skf21("2","6","1","3","5","6","3","1") = "5"
    & skf21("2","6","1","3","5","6","4","1") = "5"
    & skf21("2","6","1","3","5","6","5","1") = "5"
    & skf21("2","6","1","3","5","6","6","1") = "5"
    & skf21("2","6","1","3","5","6","7","1") = "6"
    & skf21("2","6","1","3","5","7","1","1") = "6"
    & skf21("2","6","1","3","5","7","2","1") = "6"
    & skf21("2","6","1","3","5","7","3","1") = "6"
    & skf21("2","6","1","3","5","7","4","1") = "6"
    & skf21("2","6","1","3","5","7","5","1") = "6"
    & skf21("2","6","1","3","5","7","6","1") = "6"
    & skf21("2","6","1","3","5","7","7","1") = "6"
    & skf21("2","6","1","3","6","1","1","1") = "5"
    & skf21("2","6","1","3","6","1","2","1") = "5"
    & skf21("2","6","1","3","6","1","3","1") = "5"
    & skf21("2","6","1","3","6","1","4","1") = "5"
    & skf21("2","6","1","3","6","1","5","1") = "5"
    & skf21("2","6","1","3","6","1","6","1") = "5"
    & skf21("2","6","1","3","6","1","7","1") = "6"
    & skf21("2","6","1","3","6","2","1","1") = "5"
    & skf21("2","6","1","3","6","2","2","1") = "5"
    & skf21("2","6","1","3","6","2","3","1") = "5"
    & skf21("2","6","1","3","6","2","4","1") = "5"
    & skf21("2","6","1","3","6","2","5","1") = "5"
    & skf21("2","6","1","3","6","2","6","1") = "5"
    & skf21("2","6","1","3","6","2","7","1") = "6"
    & skf21("2","6","1","3","6","3","1","1") = "5"
    & skf21("2","6","1","3","6","3","2","1") = "5"
    & skf21("2","6","1","3","6","3","3","1") = "5"
    & skf21("2","6","1","3","6","3","4","1") = "5"
    & skf21("2","6","1","3","6","3","5","1") = "5"
    & skf21("2","6","1","3","6","3","6","1") = "5"
    & skf21("2","6","1","3","6","3","7","1") = "6"
    & skf21("2","6","1","3","6","4","1","1") = "5"
    & skf21("2","6","1","3","6","4","2","1") = "5"
    & skf21("2","6","1","3","6","4","3","1") = "5"
    & skf21("2","6","1","3","6","4","4","1") = "5"
    & skf21("2","6","1","3","6","4","5","1") = "5"
    & skf21("2","6","1","3","6","4","6","1") = "5"
    & skf21("2","6","1","3","6","4","7","1") = "6"
    & skf21("2","6","1","3","6","5","1","1") = "5"
    & skf21("2","6","1","3","6","5","2","1") = "5"
    & skf21("2","6","1","3","6","5","3","1") = "5"
    & skf21("2","6","1","3","6","5","4","1") = "5"
    & skf21("2","6","1","3","6","5","5","1") = "5"
    & skf21("2","6","1","3","6","5","6","1") = "5"
    & skf21("2","6","1","3","6","5","7","1") = "6"
    & skf21("2","6","1","3","6","6","1","1") = "5"
    & skf21("2","6","1","3","6","6","2","1") = "5"
    & skf21("2","6","1","3","6","6","3","1") = "5"
    & skf21("2","6","1","3","6","6","4","1") = "5"
    & skf21("2","6","1","3","6","6","5","1") = "5"
    & skf21("2","6","1","3","6","6","6","1") = "5"
    & skf21("2","6","1","3","6","6","7","1") = "6"
    & skf21("2","6","1","3","6","7","1","1") = "6"
    & skf21("2","6","1","3","6","7","2","1") = "6"
    & skf21("2","6","1","3","6","7","3","1") = "6"
    & skf21("2","6","1","3","6","7","4","1") = "6"
    & skf21("2","6","1","3","6","7","5","1") = "6"
    & skf21("2","6","1","3","6","7","6","1") = "6"
    & skf21("2","6","1","3","6","7","7","1") = "6"
    & skf21("2","6","1","3","7","1","1","1") = "6"
    & skf21("2","6","1","3","7","1","2","1") = "6"
    & skf21("2","6","1","3","7","1","3","1") = "6"
    & skf21("2","6","1","3","7","1","4","1") = "6"
    & skf21("2","6","1","3","7","1","5","1") = "6"
    & skf21("2","6","1","3","7","1","6","1") = "6"
    & skf21("2","6","1","3","7","1","7","1") = "6"
    & skf21("2","6","1","3","7","2","1","1") = "6"
    & skf21("2","6","1","3","7","2","2","1") = "6"
    & skf21("2","6","1","3","7","2","3","1") = "6"
    & skf21("2","6","1","3","7","2","4","1") = "6"
    & skf21("2","6","1","3","7","2","5","1") = "6"
    & skf21("2","6","1","3","7","2","6","1") = "6"
    & skf21("2","6","1","3","7","2","7","1") = "6"
    & skf21("2","6","1","3","7","3","1","1") = "6"
    & skf21("2","6","1","3","7","3","2","1") = "6"
    & skf21("2","6","1","3","7","3","3","1") = "6"
    & skf21("2","6","1","3","7","3","4","1") = "6"
    & skf21("2","6","1","3","7","3","5","1") = "6"
    & skf21("2","6","1","3","7","3","6","1") = "6"
    & skf21("2","6","1","3","7","3","7","1") = "6"
    & skf21("2","6","1","3","7","4","1","1") = "6"
    & skf21("2","6","1","3","7","4","2","1") = "6"
    & skf21("2","6","1","3","7","4","3","1") = "6"
    & skf21("2","6","1","3","7","4","4","1") = "6"
    & skf21("2","6","1","3","7","4","5","1") = "6"
    & skf21("2","6","1","3","7","4","6","1") = "6"
    & skf21("2","6","1","3","7","4","7","1") = "6"
    & skf21("2","6","1","3","7","5","1","1") = "6"
    & skf21("2","6","1","3","7","5","2","1") = "6"
    & skf21("2","6","1","3","7","5","3","1") = "6"
    & skf21("2","6","1","3","7","5","4","1") = "6"
    & skf21("2","6","1","3","7","5","5","1") = "6"
    & skf21("2","6","1","3","7","5","6","1") = "6"
    & skf21("2","6","1","3","7","5","7","1") = "6"
    & skf21("2","6","1","3","7","6","1","1") = "6"
    & skf21("2","6","1","3","7","6","2","1") = "6"
    & skf21("2","6","1","3","7","6","3","1") = "6"
    & skf21("2","6","1","3","7","6","4","1") = "6"
    & skf21("2","6","1","3","7","6","5","1") = "6"
    & skf21("2","6","1","3","7","6","6","1") = "6"
    & skf21("2","6","1","3","7","6","7","1") = "6"
    & skf21("2","6","1","3","7","7","1","1") = "6"
    & skf21("2","6","1","3","7","7","2","1") = "6"
    & skf21("2","6","1","3","7","7","3","1") = "6"
    & skf21("2","6","1","3","7","7","4","1") = "6"
    & skf21("2","6","1","3","7","7","5","1") = "6"
    & skf21("2","6","1","3","7","7","6","1") = "6"
    & skf21("2","6","1","3","7","7","7","1") = "6"
    & skf21("2","6","1","4","1","1","1","1") = "5"
    & skf21("2","6","1","4","1","1","2","1") = "5"
    & skf21("2","6","1","4","1","1","3","1") = "5"
    & skf21("2","6","1","4","1","1","4","1") = "5"
    & skf21("2","6","1","4","1","1","5","1") = "5"
    & skf21("2","6","1","4","1","1","6","1") = "5"
    & skf21("2","6","1","4","1","1","7","1") = "6"
    & skf21("2","6","1","4","1","2","1","1") = "5"
    & skf21("2","6","1","4","1","2","2","1") = "5"
    & skf21("2","6","1","4","1","2","3","1") = "5"
    & skf21("2","6","1","4","1","2","4","1") = "5"
    & skf21("2","6","1","4","1","2","5","1") = "5"
    & skf21("2","6","1","4","1","2","6","1") = "5"
    & skf21("2","6","1","4","1","2","7","1") = "6"
    & skf21("2","6","1","4","1","3","1","1") = "5"
    & skf21("2","6","1","4","1","3","2","1") = "5"
    & skf21("2","6","1","4","1","3","3","1") = "5"
    & skf21("2","6","1","4","1","3","4","1") = "5"
    & skf21("2","6","1","4","1","3","5","1") = "5"
    & skf21("2","6","1","4","1","3","6","1") = "5"
    & skf21("2","6","1","4","1","3","7","1") = "6"
    & skf21("2","6","1","4","1","4","1","1") = "5"
    & skf21("2","6","1","4","1","4","2","1") = "5"
    & skf21("2","6","1","4","1","4","3","1") = "5"
    & skf21("2","6","1","4","1","4","4","1") = "5"
    & skf21("2","6","1","4","1","4","5","1") = "5"
    & skf21("2","6","1","4","1","4","6","1") = "5"
    & skf21("2","6","1","4","1","4","7","1") = "6"
    & skf21("2","6","1","4","1","5","1","1") = "5"
    & skf21("2","6","1","4","1","5","2","1") = "5"
    & skf21("2","6","1","4","1","5","3","1") = "5"
    & skf21("2","6","1","4","1","5","4","1") = "5"
    & skf21("2","6","1","4","1","5","5","1") = "5"
    & skf21("2","6","1","4","1","5","6","1") = "5"
    & skf21("2","6","1","4","1","5","7","1") = "6"
    & skf21("2","6","1","4","1","6","1","1") = "5"
    & skf21("2","6","1","4","1","6","2","1") = "5"
    & skf21("2","6","1","4","1","6","3","1") = "5"
    & skf21("2","6","1","4","1","6","4","1") = "5"
    & skf21("2","6","1","4","1","6","5","1") = "5"
    & skf21("2","6","1","4","1","6","6","1") = "5"
    & skf21("2","6","1","4","1","6","7","1") = "6"
    & skf21("2","6","1","4","1","7","1","1") = "6"
    & skf21("2","6","1","4","1","7","2","1") = "6"
    & skf21("2","6","1","4","1","7","3","1") = "6"
    & skf21("2","6","1","4","1","7","4","1") = "6"
    & skf21("2","6","1","4","1","7","5","1") = "6"
    & skf21("2","6","1","4","1","7","6","1") = "6"
    & skf21("2","6","1","4","1","7","7","1") = "6"
    & skf21("2","6","1","4","2","1","1","1") = "5"
    & skf21("2","6","1","4","2","1","2","1") = "5"
    & skf21("2","6","1","4","2","1","3","1") = "5"
    & skf21("2","6","1","4","2","1","4","1") = "5"
    & skf21("2","6","1","4","2","1","5","1") = "5"
    & skf21("2","6","1","4","2","1","6","1") = "5"
    & skf21("2","6","1","4","2","1","7","1") = "6"
    & skf21("2","6","1","4","2","2","1","1") = "5"
    & skf21("2","6","1","4","2","2","2","1") = "5"
    & skf21("2","6","1","4","2","2","3","1") = "5"
    & skf21("2","6","1","4","2","2","4","1") = "5"
    & skf21("2","6","1","4","2","2","5","1") = "5"
    & skf21("2","6","1","4","2","2","6","1") = "5"
    & skf21("2","6","1","4","2","2","7","1") = "6"
    & skf21("2","6","1","4","2","3","1","1") = "5"
    & skf21("2","6","1","4","2","3","2","1") = "5"
    & skf21("2","6","1","4","2","3","3","1") = "5"
    & skf21("2","6","1","4","2","3","4","1") = "5"
    & skf21("2","6","1","4","2","3","5","1") = "5"
    & skf21("2","6","1","4","2","3","6","1") = "5"
    & skf21("2","6","1","4","2","3","7","1") = "6"
    & skf21("2","6","1","4","2","4","1","1") = "5"
    & skf21("2","6","1","4","2","4","2","1") = "5"
    & skf21("2","6","1","4","2","4","3","1") = "5"
    & skf21("2","6","1","4","2","4","4","1") = "5"
    & skf21("2","6","1","4","2","4","5","1") = "5"
    & skf21("2","6","1","4","2","4","6","1") = "5"
    & skf21("2","6","1","4","2","4","7","1") = "6"
    & skf21("2","6","1","4","2","5","1","1") = "5"
    & skf21("2","6","1","4","2","5","2","1") = "5"
    & skf21("2","6","1","4","2","5","3","1") = "5"
    & skf21("2","6","1","4","2","5","4","1") = "5"
    & skf21("2","6","1","4","2","5","5","1") = "5"
    & skf21("2","6","1","4","2","5","6","1") = "5"
    & skf21("2","6","1","4","2","5","7","1") = "6"
    & skf21("2","6","1","4","2","6","1","1") = "5"
    & skf21("2","6","1","4","2","6","2","1") = "5"
    & skf21("2","6","1","4","2","6","3","1") = "5"
    & skf21("2","6","1","4","2","6","4","1") = "5"
    & skf21("2","6","1","4","2","6","5","1") = "5"
    & skf21("2","6","1","4","2","6","6","1") = "5"
    & skf21("2","6","1","4","2","6","7","1") = "6"
    & skf21("2","6","1","4","2","7","1","1") = "6"
    & skf21("2","6","1","4","2","7","2","1") = "6"
    & skf21("2","6","1","4","2","7","3","1") = "6"
    & skf21("2","6","1","4","2","7","4","1") = "6"
    & skf21("2","6","1","4","2","7","5","1") = "6"
    & skf21("2","6","1","4","2","7","6","1") = "6"
    & skf21("2","6","1","4","2","7","7","1") = "6"
    & skf21("2","6","1","4","3","1","1","1") = "5"
    & skf21("2","6","1","4","3","1","2","1") = "5"
    & skf21("2","6","1","4","3","1","3","1") = "5"
    & skf21("2","6","1","4","3","1","4","1") = "5"
    & skf21("2","6","1","4","3","1","5","1") = "5"
    & skf21("2","6","1","4","3","1","6","1") = "5"
    & skf21("2","6","1","4","3","1","7","1") = "6"
    & skf21("2","6","1","4","3","2","1","1") = "5"
    & skf21("2","6","1","4","3","2","2","1") = "5"
    & skf21("2","6","1","4","3","2","3","1") = "5"
    & skf21("2","6","1","4","3","2","4","1") = "5"
    & skf21("2","6","1","4","3","2","5","1") = "5"
    & skf21("2","6","1","4","3","2","6","1") = "5"
    & skf21("2","6","1","4","3","2","7","1") = "6"
    & skf21("2","6","1","4","3","3","1","1") = "5"
    & skf21("2","6","1","4","3","3","2","1") = "5"
    & skf21("2","6","1","4","3","3","3","1") = "5"
    & skf21("2","6","1","4","3","3","4","1") = "5"
    & skf21("2","6","1","4","3","3","5","1") = "5"
    & skf21("2","6","1","4","3","3","6","1") = "5"
    & skf21("2","6","1","4","3","3","7","1") = "6"
    & skf21("2","6","1","4","3","4","1","1") = "5"
    & skf21("2","6","1","4","3","4","2","1") = "5"
    & skf21("2","6","1","4","3","4","3","1") = "5"
    & skf21("2","6","1","4","3","4","4","1") = "5"
    & skf21("2","6","1","4","3","4","5","1") = "5"
    & skf21("2","6","1","4","3","4","6","1") = "5"
    & skf21("2","6","1","4","3","4","7","1") = "6"
    & skf21("2","6","1","4","3","5","1","1") = "5"
    & skf21("2","6","1","4","3","5","2","1") = "5"
    & skf21("2","6","1","4","3","5","3","1") = "5"
    & skf21("2","6","1","4","3","5","4","1") = "5"
    & skf21("2","6","1","4","3","5","5","1") = "5"
    & skf21("2","6","1","4","3","5","6","1") = "5"
    & skf21("2","6","1","4","3","5","7","1") = "6"
    & skf21("2","6","1","4","3","6","1","1") = "5"
    & skf21("2","6","1","4","3","6","2","1") = "5"
    & skf21("2","6","1","4","3","6","3","1") = "5"
    & skf21("2","6","1","4","3","6","4","1") = "5"
    & skf21("2","6","1","4","3","6","5","1") = "5"
    & skf21("2","6","1","4","3","6","6","1") = "5"
    & skf21("2","6","1","4","3","6","7","1") = "6"
    & skf21("2","6","1","4","3","7","1","1") = "6"
    & skf21("2","6","1","4","3","7","2","1") = "6"
    & skf21("2","6","1","4","3","7","3","1") = "6"
    & skf21("2","6","1","4","3","7","4","1") = "6"
    & skf21("2","6","1","4","3","7","5","1") = "6"
    & skf21("2","6","1","4","3","7","6","1") = "6"
    & skf21("2","6","1","4","3","7","7","1") = "6"
    & skf21("2","6","1","4","4","1","1","1") = "5"
    & skf21("2","6","1","4","4","1","2","1") = "5"
    & skf21("2","6","1","4","4","1","3","1") = "5"
    & skf21("2","6","1","4","4","1","4","1") = "5"
    & skf21("2","6","1","4","4","1","5","1") = "5"
    & skf21("2","6","1","4","4","1","6","1") = "5"
    & skf21("2","6","1","4","4","1","7","1") = "6"
    & skf21("2","6","1","4","4","2","1","1") = "5"
    & skf21("2","6","1","4","4","2","2","1") = "5"
    & skf21("2","6","1","4","4","2","3","1") = "5"
    & skf21("2","6","1","4","4","2","4","1") = "5"
    & skf21("2","6","1","4","4","2","5","1") = "5"
    & skf21("2","6","1","4","4","2","6","1") = "5"
    & skf21("2","6","1","4","4","2","7","1") = "6"
    & skf21("2","6","1","4","4","3","1","1") = "5"
    & skf21("2","6","1","4","4","3","2","1") = "5"
    & skf21("2","6","1","4","4","3","3","1") = "5"
    & skf21("2","6","1","4","4","3","4","1") = "5"
    & skf21("2","6","1","4","4","3","5","1") = "5"
    & skf21("2","6","1","4","4","3","6","1") = "5"
    & skf21("2","6","1","4","4","3","7","1") = "6"
    & skf21("2","6","1","4","4","4","1","1") = "5"
    & skf21("2","6","1","4","4","4","2","1") = "5"
    & skf21("2","6","1","4","4","4","3","1") = "5"
    & skf21("2","6","1","4","4","4","4","1") = "5"
    & skf21("2","6","1","4","4","4","5","1") = "5"
    & skf21("2","6","1","4","4","4","6","1") = "5"
    & skf21("2","6","1","4","4","4","7","1") = "6"
    & skf21("2","6","1","4","4","5","1","1") = "5"
    & skf21("2","6","1","4","4","5","2","1") = "5"
    & skf21("2","6","1","4","4","5","3","1") = "5"
    & skf21("2","6","1","4","4","5","4","1") = "5"
    & skf21("2","6","1","4","4","5","5","1") = "5"
    & skf21("2","6","1","4","4","5","6","1") = "5"
    & skf21("2","6","1","4","4","5","7","1") = "6"
    & skf21("2","6","1","4","4","6","1","1") = "5"
    & skf21("2","6","1","4","4","6","2","1") = "5"
    & skf21("2","6","1","4","4","6","3","1") = "5"
    & skf21("2","6","1","4","4","6","4","1") = "5"
    & skf21("2","6","1","4","4","6","5","1") = "5"
    & skf21("2","6","1","4","4","6","6","1") = "5"
    & skf21("2","6","1","4","4","6","7","1") = "6"
    & skf21("2","6","1","4","4","7","1","1") = "6"
    & skf21("2","6","1","4","4","7","2","1") = "6"
    & skf21("2","6","1","4","4","7","3","1") = "6"
    & skf21("2","6","1","4","4","7","4","1") = "6"
    & skf21("2","6","1","4","4","7","5","1") = "6"
    & skf21("2","6","1","4","4","7","6","1") = "6"
    & skf21("2","6","1","4","4","7","7","1") = "6"
    & skf21("2","6","1","4","5","1","1","1") = "5"
    & skf21("2","6","1","4","5","1","2","1") = "5"
    & skf21("2","6","1","4","5","1","3","1") = "5"
    & skf21("2","6","1","4","5","1","4","1") = "5"
    & skf21("2","6","1","4","5","1","5","1") = "5"
    & skf21("2","6","1","4","5","1","6","1") = "5"
    & skf21("2","6","1","4","5","1","7","1") = "6"
    & skf21("2","6","1","4","5","2","1","1") = "5"
    & skf21("2","6","1","4","5","2","2","1") = "5"
    & skf21("2","6","1","4","5","2","3","1") = "5"
    & skf21("2","6","1","4","5","2","4","1") = "5"
    & skf21("2","6","1","4","5","2","5","1") = "5"
    & skf21("2","6","1","4","5","2","6","1") = "5"
    & skf21("2","6","1","4","5","2","7","1") = "6"
    & skf21("2","6","1","4","5","3","1","1") = "5"
    & skf21("2","6","1","4","5","3","2","1") = "5"
    & skf21("2","6","1","4","5","3","3","1") = "5"
    & skf21("2","6","1","4","5","3","4","1") = "5"
    & skf21("2","6","1","4","5","3","5","1") = "5"
    & skf21("2","6","1","4","5","3","6","1") = "5"
    & skf21("2","6","1","4","5","3","7","1") = "6"
    & skf21("2","6","1","4","5","4","1","1") = "5"
    & skf21("2","6","1","4","5","4","2","1") = "5"
    & skf21("2","6","1","4","5","4","3","1") = "5"
    & skf21("2","6","1","4","5","4","4","1") = "5"
    & skf21("2","6","1","4","5","4","5","1") = "5"
    & skf21("2","6","1","4","5","4","6","1") = "5"
    & skf21("2","6","1","4","5","4","7","1") = "6"
    & skf21("2","6","1","4","5","5","1","1") = "5"
    & skf21("2","6","1","4","5","5","2","1") = "5"
    & skf21("2","6","1","4","5","5","3","1") = "5"
    & skf21("2","6","1","4","5","5","4","1") = "5"
    & skf21("2","6","1","4","5","5","5","1") = "5"
    & skf21("2","6","1","4","5","5","6","1") = "5"
    & skf21("2","6","1","4","5","5","7","1") = "6"
    & skf21("2","6","1","4","5","6","1","1") = "5"
    & skf21("2","6","1","4","5","6","2","1") = "5"
    & skf21("2","6","1","4","5","6","3","1") = "5"
    & skf21("2","6","1","4","5","6","4","1") = "5"
    & skf21("2","6","1","4","5","6","5","1") = "5"
    & skf21("2","6","1","4","5","6","6","1") = "5"
    & skf21("2","6","1","4","5","6","7","1") = "6"
    & skf21("2","6","1","4","5","7","1","1") = "6"
    & skf21("2","6","1","4","5","7","2","1") = "6"
    & skf21("2","6","1","4","5","7","3","1") = "6"
    & skf21("2","6","1","4","5","7","4","1") = "6"
    & skf21("2","6","1","4","5","7","5","1") = "6"
    & skf21("2","6","1","4","5","7","6","1") = "6"
    & skf21("2","6","1","4","5","7","7","1") = "6"
    & skf21("2","6","1","4","6","1","1","1") = "5"
    & skf21("2","6","1","4","6","1","2","1") = "5"
    & skf21("2","6","1","4","6","1","3","1") = "5"
    & skf21("2","6","1","4","6","1","4","1") = "5"
    & skf21("2","6","1","4","6","1","5","1") = "5"
    & skf21("2","6","1","4","6","1","6","1") = "5"
    & skf21("2","6","1","4","6","1","7","1") = "6"
    & skf21("2","6","1","4","6","2","1","1") = "5"
    & skf21("2","6","1","4","6","2","2","1") = "5"
    & skf21("2","6","1","4","6","2","3","1") = "5"
    & skf21("2","6","1","4","6","2","4","1") = "5"
    & skf21("2","6","1","4","6","2","5","1") = "5"
    & skf21("2","6","1","4","6","2","6","1") = "5"
    & skf21("2","6","1","4","6","2","7","1") = "6"
    & skf21("2","6","1","4","6","3","1","1") = "5"
    & skf21("2","6","1","4","6","3","2","1") = "5"
    & skf21("2","6","1","4","6","3","3","1") = "5"
    & skf21("2","6","1","4","6","3","4","1") = "5"
    & skf21("2","6","1","4","6","3","5","1") = "5"
    & skf21("2","6","1","4","6","3","6","1") = "5"
    & skf21("2","6","1","4","6","3","7","1") = "6"
    & skf21("2","6","1","4","6","4","1","1") = "5"
    & skf21("2","6","1","4","6","4","2","1") = "5"
    & skf21("2","6","1","4","6","4","3","1") = "5"
    & skf21("2","6","1","4","6","4","4","1") = "5"
    & skf21("2","6","1","4","6","4","5","1") = "5"
    & skf21("2","6","1","4","6","4","6","1") = "5"
    & skf21("2","6","1","4","6","4","7","1") = "6"
    & skf21("2","6","1","4","6","5","1","1") = "5"
    & skf21("2","6","1","4","6","5","2","1") = "5"
    & skf21("2","6","1","4","6","5","3","1") = "5"
    & skf21("2","6","1","4","6","5","4","1") = "5"
    & skf21("2","6","1","4","6","5","5","1") = "5"
    & skf21("2","6","1","4","6","5","6","1") = "5"
    & skf21("2","6","1","4","6","5","7","1") = "6"
    & skf21("2","6","1","4","6","6","1","1") = "5"
    & skf21("2","6","1","4","6","6","2","1") = "5"
    & skf21("2","6","1","4","6","6","3","1") = "5"
    & skf21("2","6","1","4","6","6","4","1") = "5"
    & skf21("2","6","1","4","6","6","5","1") = "5"
    & skf21("2","6","1","4","6","6","6","1") = "5"
    & skf21("2","6","1","4","6","6","7","1") = "6"
    & skf21("2","6","1","4","6","7","1","1") = "6"
    & skf21("2","6","1","4","6","7","2","1") = "6"
    & skf21("2","6","1","4","6","7","3","1") = "6"
    & skf21("2","6","1","4","6","7","4","1") = "6"
    & skf21("2","6","1","4","6","7","5","1") = "6"
    & skf21("2","6","1","4","6","7","6","1") = "6"
    & skf21("2","6","1","4","6","7","7","1") = "6"
    & skf21("2","6","1","4","7","1","1","1") = "6"
    & skf21("2","6","1","4","7","1","2","1") = "6"
    & skf21("2","6","1","4","7","1","3","1") = "6"
    & skf21("2","6","1","4","7","1","4","1") = "6"
    & skf21("2","6","1","4","7","1","5","1") = "6"
    & skf21("2","6","1","4","7","1","6","1") = "6"
    & skf21("2","6","1","4","7","1","7","1") = "6"
    & skf21("2","6","1","4","7","2","1","1") = "6"
    & skf21("2","6","1","4","7","2","2","1") = "6"
    & skf21("2","6","1","4","7","2","3","1") = "6"
    & skf21("2","6","1","4","7","2","4","1") = "6"
    & skf21("2","6","1","4","7","2","5","1") = "6"
    & skf21("2","6","1","4","7","2","6","1") = "6"
    & skf21("2","6","1","4","7","2","7","1") = "6"
    & skf21("2","6","1","4","7","3","1","1") = "6"
    & skf21("2","6","1","4","7","3","2","1") = "6"
    & skf21("2","6","1","4","7","3","3","1") = "6"
    & skf21("2","6","1","4","7","3","4","1") = "6"
    & skf21("2","6","1","4","7","3","5","1") = "6"
    & skf21("2","6","1","4","7","3","6","1") = "6"
    & skf21("2","6","1","4","7","3","7","1") = "6"
    & skf21("2","6","1","4","7","4","1","1") = "6"
    & skf21("2","6","1","4","7","4","2","1") = "6"
    & skf21("2","6","1","4","7","4","3","1") = "6"
    & skf21("2","6","1","4","7","4","4","1") = "6"
    & skf21("2","6","1","4","7","4","5","1") = "6"
    & skf21("2","6","1","4","7","4","6","1") = "6"
    & skf21("2","6","1","4","7","4","7","1") = "6"
    & skf21("2","6","1","4","7","5","1","1") = "6"
    & skf21("2","6","1","4","7","5","2","1") = "6"
    & skf21("2","6","1","4","7","5","3","1") = "6"
    & skf21("2","6","1","4","7","5","4","1") = "6"
    & skf21("2","6","1","4","7","5","5","1") = "6"
    & skf21("2","6","1","4","7","5","6","1") = "6"
    & skf21("2","6","1","4","7","5","7","1") = "6"
    & skf21("2","6","1","4","7","6","1","1") = "6"
    & skf21("2","6","1","4","7","6","2","1") = "6"
    & skf21("2","6","1","4","7","6","3","1") = "6"
    & skf21("2","6","1","4","7","6","4","1") = "6"
    & skf21("2","6","1","4","7","6","5","1") = "6"
    & skf21("2","6","1","4","7","6","6","1") = "6"
    & skf21("2","6","1","4","7","6","7","1") = "6"
    & skf21("2","6","1","4","7","7","1","1") = "6"
    & skf21("2","6","1","4","7","7","2","1") = "6"
    & skf21("2","6","1","4","7","7","3","1") = "6"
    & skf21("2","6","1","4","7","7","4","1") = "6"
    & skf21("2","6","1","4","7","7","5","1") = "6"
    & skf21("2","6","1","4","7","7","6","1") = "6"
    & skf21("2","6","1","4","7","7","7","1") = "6"
    & skf21("2","6","1","5","1","1","1","1") = "5"
    & skf21("2","6","1","5","1","1","2","1") = "5"
    & skf21("2","6","1","5","1","1","3","1") = "5"
    & skf21("2","6","1","5","1","1","4","1") = "5"
    & skf21("2","6","1","5","1","1","5","1") = "5"
    & skf21("2","6","1","5","1","1","6","1") = "5"
    & skf21("2","6","1","5","1","1","7","1") = "6"
    & skf21("2","6","1","5","1","2","1","1") = "5"
    & skf21("2","6","1","5","1","2","2","1") = "5"
    & skf21("2","6","1","5","1","2","3","1") = "5"
    & skf21("2","6","1","5","1","2","4","1") = "5"
    & skf21("2","6","1","5","1","2","5","1") = "5"
    & skf21("2","6","1","5","1","2","6","1") = "5"
    & skf21("2","6","1","5","1","2","7","1") = "6"
    & skf21("2","6","1","5","1","3","1","1") = "5"
    & skf21("2","6","1","5","1","3","2","1") = "5"
    & skf21("2","6","1","5","1","3","3","1") = "5"
    & skf21("2","6","1","5","1","3","4","1") = "5"
    & skf21("2","6","1","5","1","3","5","1") = "5"
    & skf21("2","6","1","5","1","3","6","1") = "5"
    & skf21("2","6","1","5","1","3","7","1") = "6"
    & skf21("2","6","1","5","1","4","1","1") = "5"
    & skf21("2","6","1","5","1","4","2","1") = "5"
    & skf21("2","6","1","5","1","4","3","1") = "5"
    & skf21("2","6","1","5","1","4","4","1") = "5"
    & skf21("2","6","1","5","1","4","5","1") = "5"
    & skf21("2","6","1","5","1","4","6","1") = "5"
    & skf21("2","6","1","5","1","4","7","1") = "6"
    & skf21("2","6","1","5","1","5","1","1") = "5"
    & skf21("2","6","1","5","1","5","2","1") = "5"
    & skf21("2","6","1","5","1","5","3","1") = "5"
    & skf21("2","6","1","5","1","5","4","1") = "5"
    & skf21("2","6","1","5","1","5","5","1") = "5"
    & skf21("2","6","1","5","1","5","6","1") = "5"
    & skf21("2","6","1","5","1","5","7","1") = "6"
    & skf21("2","6","1","5","1","6","1","1") = "5"
    & skf21("2","6","1","5","1","6","2","1") = "5"
    & skf21("2","6","1","5","1","6","3","1") = "5"
    & skf21("2","6","1","5","1","6","4","1") = "5"
    & skf21("2","6","1","5","1","6","5","1") = "5"
    & skf21("2","6","1","5","1","6","6","1") = "5"
    & skf21("2","6","1","5","1","6","7","1") = "6"
    & skf21("2","6","1","5","1","7","1","1") = "6"
    & skf21("2","6","1","5","1","7","2","1") = "6"
    & skf21("2","6","1","5","1","7","3","1") = "6"
    & skf21("2","6","1","5","1","7","4","1") = "6"
    & skf21("2","6","1","5","1","7","5","1") = "6"
    & skf21("2","6","1","5","1","7","6","1") = "6"
    & skf21("2","6","1","5","1","7","7","1") = "6"
    & skf21("2","6","1","5","2","1","1","1") = "5"
    & skf21("2","6","1","5","2","1","2","1") = "5"
    & skf21("2","6","1","5","2","1","3","1") = "5"
    & skf21("2","6","1","5","2","1","4","1") = "5"
    & skf21("2","6","1","5","2","1","5","1") = "5"
    & skf21("2","6","1","5","2","1","6","1") = "5"
    & skf21("2","6","1","5","2","1","7","1") = "6"
    & skf21("2","6","1","5","2","2","1","1") = "5"
    & skf21("2","6","1","5","2","2","2","1") = "5"
    & skf21("2","6","1","5","2","2","3","1") = "5"
    & skf21("2","6","1","5","2","2","4","1") = "5"
    & skf21("2","6","1","5","2","2","5","1") = "5"
    & skf21("2","6","1","5","2","2","6","1") = "5"
    & skf21("2","6","1","5","2","2","7","1") = "6"
    & skf21("2","6","1","5","2","3","1","1") = "5"
    & skf21("2","6","1","5","2","3","2","1") = "5"
    & skf21("2","6","1","5","2","3","3","1") = "5"
    & skf21("2","6","1","5","2","3","4","1") = "5"
    & skf21("2","6","1","5","2","3","5","1") = "5"
    & skf21("2","6","1","5","2","3","6","1") = "5"
    & skf21("2","6","1","5","2","3","7","1") = "6"
    & skf21("2","6","1","5","2","4","1","1") = "5"
    & skf21("2","6","1","5","2","4","2","1") = "5"
    & skf21("2","6","1","5","2","4","3","1") = "5"
    & skf21("2","6","1","5","2","4","4","1") = "5"
    & skf21("2","6","1","5","2","4","5","1") = "5"
    & skf21("2","6","1","5","2","4","6","1") = "5"
    & skf21("2","6","1","5","2","4","7","1") = "6"
    & skf21("2","6","1","5","2","5","1","1") = "5"
    & skf21("2","6","1","5","2","5","2","1") = "5"
    & skf21("2","6","1","5","2","5","3","1") = "5"
    & skf21("2","6","1","5","2","5","4","1") = "5"
    & skf21("2","6","1","5","2","5","5","1") = "5"
    & skf21("2","6","1","5","2","5","6","1") = "5"
    & skf21("2","6","1","5","2","5","7","1") = "6"
    & skf21("2","6","1","5","2","6","1","1") = "5"
    & skf21("2","6","1","5","2","6","2","1") = "5"
    & skf21("2","6","1","5","2","6","3","1") = "5"
    & skf21("2","6","1","5","2","6","4","1") = "5"
    & skf21("2","6","1","5","2","6","5","1") = "5"
    & skf21("2","6","1","5","2","6","6","1") = "5"
    & skf21("2","6","1","5","2","6","7","1") = "6"
    & skf21("2","6","1","5","2","7","1","1") = "6"
    & skf21("2","6","1","5","2","7","2","1") = "6"
    & skf21("2","6","1","5","2","7","3","1") = "6"
    & skf21("2","6","1","5","2","7","4","1") = "6"
    & skf21("2","6","1","5","2","7","5","1") = "6"
    & skf21("2","6","1","5","2","7","6","1") = "6"
    & skf21("2","6","1","5","2","7","7","1") = "6"
    & skf21("2","6","1","5","3","1","1","1") = "5"
    & skf21("2","6","1","5","3","1","2","1") = "5"
    & skf21("2","6","1","5","3","1","3","1") = "5"
    & skf21("2","6","1","5","3","1","4","1") = "5"
    & skf21("2","6","1","5","3","1","5","1") = "5"
    & skf21("2","6","1","5","3","1","6","1") = "5"
    & skf21("2","6","1","5","3","1","7","1") = "6"
    & skf21("2","6","1","5","3","2","1","1") = "5"
    & skf21("2","6","1","5","3","2","2","1") = "5"
    & skf21("2","6","1","5","3","2","3","1") = "5"
    & skf21("2","6","1","5","3","2","4","1") = "5"
    & skf21("2","6","1","5","3","2","5","1") = "5"
    & skf21("2","6","1","5","3","2","6","1") = "5"
    & skf21("2","6","1","5","3","2","7","1") = "6"
    & skf21("2","6","1","5","3","3","1","1") = "5"
    & skf21("2","6","1","5","3","3","2","1") = "5"
    & skf21("2","6","1","5","3","3","3","1") = "5"
    & skf21("2","6","1","5","3","3","4","1") = "5"
    & skf21("2","6","1","5","3","3","5","1") = "5"
    & skf21("2","6","1","5","3","3","6","1") = "5"
    & skf21("2","6","1","5","3","3","7","1") = "6"
    & skf21("2","6","1","5","3","4","1","1") = "5"
    & skf21("2","6","1","5","3","4","2","1") = "5"
    & skf21("2","6","1","5","3","4","3","1") = "5"
    & skf21("2","6","1","5","3","4","4","1") = "5"
    & skf21("2","6","1","5","3","4","5","1") = "5"
    & skf21("2","6","1","5","3","4","6","1") = "5"
    & skf21("2","6","1","5","3","4","7","1") = "6"
    & skf21("2","6","1","5","3","5","1","1") = "5"
    & skf21("2","6","1","5","3","5","2","1") = "5"
    & skf21("2","6","1","5","3","5","3","1") = "5"
    & skf21("2","6","1","5","3","5","4","1") = "5"
    & skf21("2","6","1","5","3","5","5","1") = "5"
    & skf21("2","6","1","5","3","5","6","1") = "5"
    & skf21("2","6","1","5","3","5","7","1") = "6"
    & skf21("2","6","1","5","3","6","1","1") = "5"
    & skf21("2","6","1","5","3","6","2","1") = "5"
    & skf21("2","6","1","5","3","6","3","1") = "5"
    & skf21("2","6","1","5","3","6","4","1") = "5"
    & skf21("2","6","1","5","3","6","5","1") = "5"
    & skf21("2","6","1","5","3","6","6","1") = "5"
    & skf21("2","6","1","5","3","6","7","1") = "6"
    & skf21("2","6","1","5","3","7","1","1") = "6"
    & skf21("2","6","1","5","3","7","2","1") = "6"
    & skf21("2","6","1","5","3","7","3","1") = "6"
    & skf21("2","6","1","5","3","7","4","1") = "6"
    & skf21("2","6","1","5","3","7","5","1") = "6"
    & skf21("2","6","1","5","3","7","6","1") = "6"
    & skf21("2","6","1","5","3","7","7","1") = "6"
    & skf21("2","6","1","5","4","1","1","1") = "5"
    & skf21("2","6","1","5","4","1","2","1") = "5"
    & skf21("2","6","1","5","4","1","3","1") = "5"
    & skf21("2","6","1","5","4","1","4","1") = "5"
    & skf21("2","6","1","5","4","1","5","1") = "5"
    & skf21("2","6","1","5","4","1","6","1") = "5"
    & skf21("2","6","1","5","4","1","7","1") = "6"
    & skf21("2","6","1","5","4","2","1","1") = "5"
    & skf21("2","6","1","5","4","2","2","1") = "5"
    & skf21("2","6","1","5","4","2","3","1") = "5"
    & skf21("2","6","1","5","4","2","4","1") = "5"
    & skf21("2","6","1","5","4","2","5","1") = "5"
    & skf21("2","6","1","5","4","2","6","1") = "5"
    & skf21("2","6","1","5","4","2","7","1") = "6"
    & skf21("2","6","1","5","4","3","1","1") = "5"
    & skf21("2","6","1","5","4","3","2","1") = "5"
    & skf21("2","6","1","5","4","3","3","1") = "5"
    & skf21("2","6","1","5","4","3","4","1") = "5"
    & skf21("2","6","1","5","4","3","5","1") = "5"
    & skf21("2","6","1","5","4","3","6","1") = "5"
    & skf21("2","6","1","5","4","3","7","1") = "6"
    & skf21("2","6","1","5","4","4","1","1") = "5"
    & skf21("2","6","1","5","4","4","2","1") = "5"
    & skf21("2","6","1","5","4","4","3","1") = "5"
    & skf21("2","6","1","5","4","4","4","1") = "5"
    & skf21("2","6","1","5","4","4","5","1") = "5"
    & skf21("2","6","1","5","4","4","6","1") = "5"
    & skf21("2","6","1","5","4","4","7","1") = "6"
    & skf21("2","6","1","5","4","5","1","1") = "5"
    & skf21("2","6","1","5","4","5","2","1") = "5"
    & skf21("2","6","1","5","4","5","3","1") = "5"
    & skf21("2","6","1","5","4","5","4","1") = "5"
    & skf21("2","6","1","5","4","5","5","1") = "5"
    & skf21("2","6","1","5","4","5","6","1") = "5"
    & skf21("2","6","1","5","4","5","7","1") = "6"
    & skf21("2","6","1","5","4","6","1","1") = "5"
    & skf21("2","6","1","5","4","6","2","1") = "5"
    & skf21("2","6","1","5","4","6","3","1") = "5"
    & skf21("2","6","1","5","4","6","4","1") = "5"
    & skf21("2","6","1","5","4","6","5","1") = "5"
    & skf21("2","6","1","5","4","6","6","1") = "5"
    & skf21("2","6","1","5","4","6","7","1") = "6"
    & skf21("2","6","1","5","4","7","1","1") = "6"
    & skf21("2","6","1","5","4","7","2","1") = "6"
    & skf21("2","6","1","5","4","7","3","1") = "6"
    & skf21("2","6","1","5","4","7","4","1") = "6"
    & skf21("2","6","1","5","4","7","5","1") = "6"
    & skf21("2","6","1","5","4","7","6","1") = "6"
    & skf21("2","6","1","5","4","7","7","1") = "6"
    & skf21("2","6","1","5","5","1","1","1") = "5"
    & skf21("2","6","1","5","5","1","2","1") = "5"
    & skf21("2","6","1","5","5","1","3","1") = "5"
    & skf21("2","6","1","5","5","1","4","1") = "5"
    & skf21("2","6","1","5","5","1","5","1") = "5"
    & skf21("2","6","1","5","5","1","6","1") = "5"
    & skf21("2","6","1","5","5","1","7","1") = "6"
    & skf21("2","6","1","5","5","2","1","1") = "5"
    & skf21("2","6","1","5","5","2","2","1") = "5"
    & skf21("2","6","1","5","5","2","3","1") = "5"
    & skf21("2","6","1","5","5","2","4","1") = "5"
    & skf21("2","6","1","5","5","2","5","1") = "5"
    & skf21("2","6","1","5","5","2","6","1") = "5"
    & skf21("2","6","1","5","5","2","7","1") = "6"
    & skf21("2","6","1","5","5","3","1","1") = "5"
    & skf21("2","6","1","5","5","3","2","1") = "5"
    & skf21("2","6","1","5","5","3","3","1") = "5"
    & skf21("2","6","1","5","5","3","4","1") = "5"
    & skf21("2","6","1","5","5","3","5","1") = "5"
    & skf21("2","6","1","5","5","3","6","1") = "5"
    & skf21("2","6","1","5","5","3","7","1") = "6"
    & skf21("2","6","1","5","5","4","1","1") = "5"
    & skf21("2","6","1","5","5","4","2","1") = "5"
    & skf21("2","6","1","5","5","4","3","1") = "5"
    & skf21("2","6","1","5","5","4","4","1") = "5"
    & skf21("2","6","1","5","5","4","5","1") = "5"
    & skf21("2","6","1","5","5","4","6","1") = "5"
    & skf21("2","6","1","5","5","4","7","1") = "6"
    & skf21("2","6","1","5","5","5","1","1") = "5"
    & skf21("2","6","1","5","5","5","2","1") = "5"
    & skf21("2","6","1","5","5","5","3","1") = "5"
    & skf21("2","6","1","5","5","5","4","1") = "5"
    & skf21("2","6","1","5","5","5","5","1") = "5"
    & skf21("2","6","1","5","5","5","6","1") = "5"
    & skf21("2","6","1","5","5","5","7","1") = "6"
    & skf21("2","6","1","5","5","6","1","1") = "5"
    & skf21("2","6","1","5","5","6","2","1") = "5"
    & skf21("2","6","1","5","5","6","3","1") = "5"
    & skf21("2","6","1","5","5","6","4","1") = "5"
    & skf21("2","6","1","5","5","6","5","1") = "5"
    & skf21("2","6","1","5","5","6","6","1") = "5"
    & skf21("2","6","1","5","5","6","7","1") = "6"
    & skf21("2","6","1","5","5","7","1","1") = "6"
    & skf21("2","6","1","5","5","7","2","1") = "6"
    & skf21("2","6","1","5","5","7","3","1") = "6"
    & skf21("2","6","1","5","5","7","4","1") = "6"
    & skf21("2","6","1","5","5","7","5","1") = "6"
    & skf21("2","6","1","5","5","7","6","1") = "6"
    & skf21("2","6","1","5","5","7","7","1") = "6"
    & skf21("2","6","1","5","6","1","1","1") = "5"
    & skf21("2","6","1","5","6","1","2","1") = "5"
    & skf21("2","6","1","5","6","1","3","1") = "5"
    & skf21("2","6","1","5","6","1","4","1") = "5"
    & skf21("2","6","1","5","6","1","5","1") = "5"
    & skf21("2","6","1","5","6","1","6","1") = "5"
    & skf21("2","6","1","5","6","1","7","1") = "6"
    & skf21("2","6","1","5","6","2","1","1") = "5"
    & skf21("2","6","1","5","6","2","2","1") = "5"
    & skf21("2","6","1","5","6","2","3","1") = "5"
    & skf21("2","6","1","5","6","2","4","1") = "5"
    & skf21("2","6","1","5","6","2","5","1") = "5"
    & skf21("2","6","1","5","6","2","6","1") = "5"
    & skf21("2","6","1","5","6","2","7","1") = "6"
    & skf21("2","6","1","5","6","3","1","1") = "5"
    & skf21("2","6","1","5","6","3","2","1") = "5"
    & skf21("2","6","1","5","6","3","3","1") = "5"
    & skf21("2","6","1","5","6","3","4","1") = "5"
    & skf21("2","6","1","5","6","3","5","1") = "5"
    & skf21("2","6","1","5","6","3","6","1") = "5"
    & skf21("2","6","1","5","6","3","7","1") = "6"
    & skf21("2","6","1","5","6","4","1","1") = "5"
    & skf21("2","6","1","5","6","4","2","1") = "5"
    & skf21("2","6","1","5","6","4","3","1") = "5"
    & skf21("2","6","1","5","6","4","4","1") = "5"
    & skf21("2","6","1","5","6","4","5","1") = "5"
    & skf21("2","6","1","5","6","4","6","1") = "5"
    & skf21("2","6","1","5","6","4","7","1") = "6"
    & skf21("2","6","1","5","6","5","1","1") = "5"
    & skf21("2","6","1","5","6","5","2","1") = "5"
    & skf21("2","6","1","5","6","5","3","1") = "5"
    & skf21("2","6","1","5","6","5","4","1") = "5"
    & skf21("2","6","1","5","6","5","5","1") = "5"
    & skf21("2","6","1","5","6","5","6","1") = "5"
    & skf21("2","6","1","5","6","5","7","1") = "6"
    & skf21("2","6","1","5","6","6","1","1") = "5"
    & skf21("2","6","1","5","6","6","2","1") = "5"
    & skf21("2","6","1","5","6","6","3","1") = "5"
    & skf21("2","6","1","5","6","6","4","1") = "5"
    & skf21("2","6","1","5","6","6","5","1") = "5"
    & skf21("2","6","1","5","6","6","6","1") = "5"
    & skf21("2","6","1","5","6","6","7","1") = "6"
    & skf21("2","6","1","5","6","7","1","1") = "6"
    & skf21("2","6","1","5","6","7","2","1") = "6"
    & skf21("2","6","1","5","6","7","3","1") = "6"
    & skf21("2","6","1","5","6","7","4","1") = "6"
    & skf21("2","6","1","5","6","7","5","1") = "6"
    & skf21("2","6","1","5","6","7","6","1") = "6"
    & skf21("2","6","1","5","6","7","7","1") = "6"
    & skf21("2","6","1","5","7","1","1","1") = "6"
    & skf21("2","6","1","5","7","1","2","1") = "6"
    & skf21("2","6","1","5","7","1","3","1") = "6"
    & skf21("2","6","1","5","7","1","4","1") = "6"
    & skf21("2","6","1","5","7","1","5","1") = "6"
    & skf21("2","6","1","5","7","1","6","1") = "6"
    & skf21("2","6","1","5","7","1","7","1") = "6"
    & skf21("2","6","1","5","7","2","1","1") = "6"
    & skf21("2","6","1","5","7","2","2","1") = "6"
    & skf21("2","6","1","5","7","2","3","1") = "6"
    & skf21("2","6","1","5","7","2","4","1") = "6"
    & skf21("2","6","1","5","7","2","5","1") = "6"
    & skf21("2","6","1","5","7","2","6","1") = "6"
    & skf21("2","6","1","5","7","2","7","1") = "6"
    & skf21("2","6","1","5","7","3","1","1") = "6"
    & skf21("2","6","1","5","7","3","2","1") = "6"
    & skf21("2","6","1","5","7","3","3","1") = "6"
    & skf21("2","6","1","5","7","3","4","1") = "6"
    & skf21("2","6","1","5","7","3","5","1") = "6"
    & skf21("2","6","1","5","7","3","6","1") = "6"
    & skf21("2","6","1","5","7","3","7","1") = "6"
    & skf21("2","6","1","5","7","4","1","1") = "6"
    & skf21("2","6","1","5","7","4","2","1") = "6"
    & skf21("2","6","1","5","7","4","3","1") = "6"
    & skf21("2","6","1","5","7","4","4","1") = "6"
    & skf21("2","6","1","5","7","4","5","1") = "6"
    & skf21("2","6","1","5","7","4","6","1") = "6"
    & skf21("2","6","1","5","7","4","7","1") = "6"
    & skf21("2","6","1","5","7","5","1","1") = "6"
    & skf21("2","6","1","5","7","5","2","1") = "6"
    & skf21("2","6","1","5","7","5","3","1") = "6"
    & skf21("2","6","1","5","7","5","4","1") = "6"
    & skf21("2","6","1","5","7","5","5","1") = "6"
    & skf21("2","6","1","5","7","5","6","1") = "6"
    & skf21("2","6","1","5","7","5","7","1") = "6"
    & skf21("2","6","1","5","7","6","1","1") = "6"
    & skf21("2","6","1","5","7","6","2","1") = "6"
    & skf21("2","6","1","5","7","6","3","1") = "6"
    & skf21("2","6","1","5","7","6","4","1") = "6"
    & skf21("2","6","1","5","7","6","5","1") = "6"
    & skf21("2","6","1","5","7","6","6","1") = "6"
    & skf21("2","6","1","5","7","6","7","1") = "6"
    & skf21("2","6","1","5","7","7","1","1") = "6"
    & skf21("2","6","1","5","7","7","2","1") = "6"
    & skf21("2","6","1","5","7","7","3","1") = "6"
    & skf21("2","6","1","5","7","7","4","1") = "6"
    & skf21("2","6","1","5","7","7","5","1") = "6"
    & skf21("2","6","1","5","7","7","6","1") = "6"
    & skf21("2","6","1","5","7","7","7","1") = "6"
    & skf21("2","6","1","6","1","1","1","1") = "5"
    & skf21("2","6","1","6","1","1","2","1") = "5"
    & skf21("2","6","1","6","1","1","3","1") = "5"
    & skf21("2","6","1","6","1","1","4","1") = "5"
    & skf21("2","6","1","6","1","1","5","1") = "5"
    & skf21("2","6","1","6","1","1","6","1") = "5"
    & skf21("2","6","1","6","1","1","7","1") = "6"
    & skf21("2","6","1","6","1","2","1","1") = "5"
    & skf21("2","6","1","6","1","2","2","1") = "5"
    & skf21("2","6","1","6","1","2","3","1") = "5"
    & skf21("2","6","1","6","1","2","4","1") = "5"
    & skf21("2","6","1","6","1","2","5","1") = "5"
    & skf21("2","6","1","6","1","2","6","1") = "5"
    & skf21("2","6","1","6","1","2","7","1") = "6"
    & skf21("2","6","1","6","1","3","1","1") = "5"
    & skf21("2","6","1","6","1","3","2","1") = "5"
    & skf21("2","6","1","6","1","3","3","1") = "5"
    & skf21("2","6","1","6","1","3","4","1") = "5"
    & skf21("2","6","1","6","1","3","5","1") = "5"
    & skf21("2","6","1","6","1","3","6","1") = "5"
    & skf21("2","6","1","6","1","3","7","1") = "6"
    & skf21("2","6","1","6","1","4","1","1") = "5"
    & skf21("2","6","1","6","1","4","2","1") = "5"
    & skf21("2","6","1","6","1","4","3","1") = "5"
    & skf21("2","6","1","6","1","4","4","1") = "5"
    & skf21("2","6","1","6","1","4","5","1") = "5"
    & skf21("2","6","1","6","1","4","6","1") = "5"
    & skf21("2","6","1","6","1","4","7","1") = "6"
    & skf21("2","6","1","6","1","5","1","1") = "5"
    & skf21("2","6","1","6","1","5","2","1") = "5"
    & skf21("2","6","1","6","1","5","3","1") = "5"
    & skf21("2","6","1","6","1","5","4","1") = "5"
    & skf21("2","6","1","6","1","5","5","1") = "5"
    & skf21("2","6","1","6","1","5","6","1") = "5"
    & skf21("2","6","1","6","1","5","7","1") = "6"
    & skf21("2","6","1","6","1","6","1","1") = "5"
    & skf21("2","6","1","6","1","6","2","1") = "5"
    & skf21("2","6","1","6","1","6","3","1") = "5"
    & skf21("2","6","1","6","1","6","4","1") = "5"
    & skf21("2","6","1","6","1","6","5","1") = "5"
    & skf21("2","6","1","6","1","6","6","1") = "5"
    & skf21("2","6","1","6","1","6","7","1") = "6"
    & skf21("2","6","1","6","1","7","1","1") = "6"
    & skf21("2","6","1","6","1","7","2","1") = "6"
    & skf21("2","6","1","6","1","7","3","1") = "6"
    & skf21("2","6","1","6","1","7","4","1") = "6"
    & skf21("2","6","1","6","1","7","5","1") = "6"
    & skf21("2","6","1","6","1","7","6","1") = "6"
    & skf21("2","6","1","6","1","7","7","1") = "6"
    & skf21("2","6","1","6","2","1","1","1") = "5"
    & skf21("2","6","1","6","2","1","2","1") = "5"
    & skf21("2","6","1","6","2","1","3","1") = "5"
    & skf21("2","6","1","6","2","1","4","1") = "5"
    & skf21("2","6","1","6","2","1","5","1") = "5"
    & skf21("2","6","1","6","2","1","6","1") = "5"
    & skf21("2","6","1","6","2","1","7","1") = "6"
    & skf21("2","6","1","6","2","2","1","1") = "5"
    & skf21("2","6","1","6","2","2","2","1") = "5"
    & skf21("2","6","1","6","2","2","3","1") = "5"
    & skf21("2","6","1","6","2","2","4","1") = "5"
    & skf21("2","6","1","6","2","2","5","1") = "5"
    & skf21("2","6","1","6","2","2","6","1") = "5"
    & skf21("2","6","1","6","2","2","7","1") = "6"
    & skf21("2","6","1","6","2","3","1","1") = "5"
    & skf21("2","6","1","6","2","3","2","1") = "5"
    & skf21("2","6","1","6","2","3","3","1") = "5"
    & skf21("2","6","1","6","2","3","4","1") = "5"
    & skf21("2","6","1","6","2","3","5","1") = "5"
    & skf21("2","6","1","6","2","3","6","1") = "5"
    & skf21("2","6","1","6","2","3","7","1") = "6"
    & skf21("2","6","1","6","2","4","1","1") = "5"
    & skf21("2","6","1","6","2","4","2","1") = "5"
    & skf21("2","6","1","6","2","4","3","1") = "5"
    & skf21("2","6","1","6","2","4","4","1") = "5"
    & skf21("2","6","1","6","2","4","5","1") = "5"
    & skf21("2","6","1","6","2","4","6","1") = "5"
    & skf21("2","6","1","6","2","4","7","1") = "6"
    & skf21("2","6","1","6","2","5","1","1") = "5"
    & skf21("2","6","1","6","2","5","2","1") = "5"
    & skf21("2","6","1","6","2","5","3","1") = "5"
    & skf21("2","6","1","6","2","5","4","1") = "5"
    & skf21("2","6","1","6","2","5","5","1") = "5"
    & skf21("2","6","1","6","2","5","6","1") = "5"
    & skf21("2","6","1","6","2","5","7","1") = "6"
    & skf21("2","6","1","6","2","6","1","1") = "5"
    & skf21("2","6","1","6","2","6","2","1") = "5"
    & skf21("2","6","1","6","2","6","3","1") = "5"
    & skf21("2","6","1","6","2","6","4","1") = "5"
    & skf21("2","6","1","6","2","6","5","1") = "5"
    & skf21("2","6","1","6","2","6","6","1") = "5"
    & skf21("2","6","1","6","2","6","7","1") = "6"
    & skf21("2","6","1","6","2","7","1","1") = "6"
    & skf21("2","6","1","6","2","7","2","1") = "6"
    & skf21("2","6","1","6","2","7","3","1") = "6"
    & skf21("2","6","1","6","2","7","4","1") = "6"
    & skf21("2","6","1","6","2","7","5","1") = "6"
    & skf21("2","6","1","6","2","7","6","1") = "6"
    & skf21("2","6","1","6","2","7","7","1") = "6"
    & skf21("2","6","1","6","3","1","1","1") = "5"
    & skf21("2","6","1","6","3","1","2","1") = "5"
    & skf21("2","6","1","6","3","1","3","1") = "5"
    & skf21("2","6","1","6","3","1","4","1") = "5"
    & skf21("2","6","1","6","3","1","5","1") = "5"
    & skf21("2","6","1","6","3","1","6","1") = "5"
    & skf21("2","6","1","6","3","1","7","1") = "6"
    & skf21("2","6","1","6","3","2","1","1") = "5"
    & skf21("2","6","1","6","3","2","2","1") = "5"
    & skf21("2","6","1","6","3","2","3","1") = "5"
    & skf21("2","6","1","6","3","2","4","1") = "5"
    & skf21("2","6","1","6","3","2","5","1") = "5"
    & skf21("2","6","1","6","3","2","6","1") = "5"
    & skf21("2","6","1","6","3","2","7","1") = "6"
    & skf21("2","6","1","6","3","3","1","1") = "5"
    & skf21("2","6","1","6","3","3","2","1") = "5"
    & skf21("2","6","1","6","3","3","3","1") = "5"
    & skf21("2","6","1","6","3","3","4","1") = "5"
    & skf21("2","6","1","6","3","3","5","1") = "5"
    & skf21("2","6","1","6","3","3","6","1") = "5"
    & skf21("2","6","1","6","3","3","7","1") = "6"
    & skf21("2","6","1","6","3","4","1","1") = "5"
    & skf21("2","6","1","6","3","4","2","1") = "5"
    & skf21("2","6","1","6","3","4","3","1") = "5"
    & skf21("2","6","1","6","3","4","4","1") = "5"
    & skf21("2","6","1","6","3","4","5","1") = "5"
    & skf21("2","6","1","6","3","4","6","1") = "5"
    & skf21("2","6","1","6","3","4","7","1") = "6"
    & skf21("2","6","1","6","3","5","1","1") = "5"
    & skf21("2","6","1","6","3","5","2","1") = "5"
    & skf21("2","6","1","6","3","5","3","1") = "5"
    & skf21("2","6","1","6","3","5","4","1") = "5"
    & skf21("2","6","1","6","3","5","5","1") = "5"
    & skf21("2","6","1","6","3","5","6","1") = "5"
    & skf21("2","6","1","6","3","5","7","1") = "6"
    & skf21("2","6","1","6","3","6","1","1") = "5"
    & skf21("2","6","1","6","3","6","2","1") = "5"
    & skf21("2","6","1","6","3","6","3","1") = "5"
    & skf21("2","6","1","6","3","6","4","1") = "5"
    & skf21("2","6","1","6","3","6","5","1") = "5"
    & skf21("2","6","1","6","3","6","6","1") = "5"
    & skf21("2","6","1","6","3","6","7","1") = "6"
    & skf21("2","6","1","6","3","7","1","1") = "6"
    & skf21("2","6","1","6","3","7","2","1") = "6"
    & skf21("2","6","1","6","3","7","3","1") = "6"
    & skf21("2","6","1","6","3","7","4","1") = "6"
    & skf21("2","6","1","6","3","7","5","1") = "6"
    & skf21("2","6","1","6","3","7","6","1") = "6"
    & skf21("2","6","1","6","3","7","7","1") = "6"
    & skf21("2","6","1","6","4","1","1","1") = "5"
    & skf21("2","6","1","6","4","1","2","1") = "5"
    & skf21("2","6","1","6","4","1","3","1") = "5"
    & skf21("2","6","1","6","4","1","4","1") = "5"
    & skf21("2","6","1","6","4","1","5","1") = "5"
    & skf21("2","6","1","6","4","1","6","1") = "5"
    & skf21("2","6","1","6","4","1","7","1") = "6"
    & skf21("2","6","1","6","4","2","1","1") = "5"
    & skf21("2","6","1","6","4","2","2","1") = "5"
    & skf21("2","6","1","6","4","2","3","1") = "5"
    & skf21("2","6","1","6","4","2","4","1") = "5"
    & skf21("2","6","1","6","4","2","5","1") = "5"
    & skf21("2","6","1","6","4","2","6","1") = "5"
    & skf21("2","6","1","6","4","2","7","1") = "6"
    & skf21("2","6","1","6","4","3","1","1") = "5"
    & skf21("2","6","1","6","4","3","2","1") = "5"
    & skf21("2","6","1","6","4","3","3","1") = "5"
    & skf21("2","6","1","6","4","3","4","1") = "5"
    & skf21("2","6","1","6","4","3","5","1") = "5"
    & skf21("2","6","1","6","4","3","6","1") = "5"
    & skf21("2","6","1","6","4","3","7","1") = "6"
    & skf21("2","6","1","6","4","4","1","1") = "5"
    & skf21("2","6","1","6","4","4","2","1") = "5"
    & skf21("2","6","1","6","4","4","3","1") = "5"
    & skf21("2","6","1","6","4","4","4","1") = "5"
    & skf21("2","6","1","6","4","4","5","1") = "5"
    & skf21("2","6","1","6","4","4","6","1") = "5"
    & skf21("2","6","1","6","4","4","7","1") = "6"
    & skf21("2","6","1","6","4","5","1","1") = "5"
    & skf21("2","6","1","6","4","5","2","1") = "5"
    & skf21("2","6","1","6","4","5","3","1") = "5"
    & skf21("2","6","1","6","4","5","4","1") = "5"
    & skf21("2","6","1","6","4","5","5","1") = "5"
    & skf21("2","6","1","6","4","5","6","1") = "5"
    & skf21("2","6","1","6","4","5","7","1") = "6"
    & skf21("2","6","1","6","4","6","1","1") = "5"
    & skf21("2","6","1","6","4","6","2","1") = "5"
    & skf21("2","6","1","6","4","6","3","1") = "5"
    & skf21("2","6","1","6","4","6","4","1") = "5"
    & skf21("2","6","1","6","4","6","5","1") = "5"
    & skf21("2","6","1","6","4","6","6","1") = "5"
    & skf21("2","6","1","6","4","6","7","1") = "6"
    & skf21("2","6","1","6","4","7","1","1") = "6"
    & skf21("2","6","1","6","4","7","2","1") = "6"
    & skf21("2","6","1","6","4","7","3","1") = "6"
    & skf21("2","6","1","6","4","7","4","1") = "6"
    & skf21("2","6","1","6","4","7","5","1") = "6"
    & skf21("2","6","1","6","4","7","6","1") = "6"
    & skf21("2","6","1","6","4","7","7","1") = "6"
    & skf21("2","6","1","6","5","1","1","1") = "5"
    & skf21("2","6","1","6","5","1","2","1") = "5"
    & skf21("2","6","1","6","5","1","3","1") = "5"
    & skf21("2","6","1","6","5","1","4","1") = "5"
    & skf21("2","6","1","6","5","1","5","1") = "5"
    & skf21("2","6","1","6","5","1","6","1") = "5"
    & skf21("2","6","1","6","5","1","7","1") = "6"
    & skf21("2","6","1","6","5","2","1","1") = "5"
    & skf21("2","6","1","6","5","2","2","1") = "5"
    & skf21("2","6","1","6","5","2","3","1") = "5"
    & skf21("2","6","1","6","5","2","4","1") = "5"
    & skf21("2","6","1","6","5","2","5","1") = "5"
    & skf21("2","6","1","6","5","2","6","1") = "5"
    & skf21("2","6","1","6","5","2","7","1") = "6"
    & skf21("2","6","1","6","5","3","1","1") = "5"
    & skf21("2","6","1","6","5","3","2","1") = "5"
    & skf21("2","6","1","6","5","3","3","1") = "5"
    & skf21("2","6","1","6","5","3","4","1") = "5"
    & skf21("2","6","1","6","5","3","5","1") = "5"
    & skf21("2","6","1","6","5","3","6","1") = "5"
    & skf21("2","6","1","6","5","3","7","1") = "6"
    & skf21("2","6","1","6","5","4","1","1") = "5"
    & skf21("2","6","1","6","5","4","2","1") = "5"
    & skf21("2","6","1","6","5","4","3","1") = "5"
    & skf21("2","6","1","6","5","4","4","1") = "5"
    & skf21("2","6","1","6","5","4","5","1") = "5"
    & skf21("2","6","1","6","5","4","6","1") = "5"
    & skf21("2","6","1","6","5","4","7","1") = "6"
    & skf21("2","6","1","6","5","5","1","1") = "5"
    & skf21("2","6","1","6","5","5","2","1") = "5"
    & skf21("2","6","1","6","5","5","3","1") = "5"
    & skf21("2","6","1","6","5","5","4","1") = "5"
    & skf21("2","6","1","6","5","5","5","1") = "5"
    & skf21("2","6","1","6","5","5","6","1") = "5"
    & skf21("2","6","1","6","5","5","7","1") = "6"
    & skf21("2","6","1","6","5","6","1","1") = "5"
    & skf21("2","6","1","6","5","6","2","1") = "5"
    & skf21("2","6","1","6","5","6","3","1") = "5"
    & skf21("2","6","1","6","5","6","4","1") = "5"
    & skf21("2","6","1","6","5","6","5","1") = "5"
    & skf21("2","6","1","6","5","6","6","1") = "5"
    & skf21("2","6","1","6","5","6","7","1") = "6"
    & skf21("2","6","1","6","5","7","1","1") = "6"
    & skf21("2","6","1","6","5","7","2","1") = "6"
    & skf21("2","6","1","6","5","7","3","1") = "6"
    & skf21("2","6","1","6","5","7","4","1") = "6"
    & skf21("2","6","1","6","5","7","5","1") = "6"
    & skf21("2","6","1","6","5","7","6","1") = "6"
    & skf21("2","6","1","6","5","7","7","1") = "6"
    & skf21("2","6","1","6","6","1","1","1") = "5"
    & skf21("2","6","1","6","6","1","2","1") = "5"
    & skf21("2","6","1","6","6","1","3","1") = "5"
    & skf21("2","6","1","6","6","1","4","1") = "5"
    & skf21("2","6","1","6","6","1","5","1") = "5"
    & skf21("2","6","1","6","6","1","6","1") = "5"
    & skf21("2","6","1","6","6","1","7","1") = "6"
    & skf21("2","6","1","6","6","2","1","1") = "5"
    & skf21("2","6","1","6","6","2","2","1") = "5"
    & skf21("2","6","1","6","6","2","3","1") = "5"
    & skf21("2","6","1","6","6","2","4","1") = "5"
    & skf21("2","6","1","6","6","2","5","1") = "5"
    & skf21("2","6","1","6","6","2","6","1") = "5"
    & skf21("2","6","1","6","6","2","7","1") = "6"
    & skf21("2","6","1","6","6","3","1","1") = "5"
    & skf21("2","6","1","6","6","3","2","1") = "5"
    & skf21("2","6","1","6","6","3","3","1") = "5"
    & skf21("2","6","1","6","6","3","4","1") = "5"
    & skf21("2","6","1","6","6","3","5","1") = "5"
    & skf21("2","6","1","6","6","3","6","1") = "5"
    & skf21("2","6","1","6","6","3","7","1") = "6"
    & skf21("2","6","1","6","6","4","1","1") = "5"
    & skf21("2","6","1","6","6","4","2","1") = "5"
    & skf21("2","6","1","6","6","4","3","1") = "5"
    & skf21("2","6","1","6","6","4","4","1") = "5"
    & skf21("2","6","1","6","6","4","5","1") = "5"
    & skf21("2","6","1","6","6","4","6","1") = "5"
    & skf21("2","6","1","6","6","4","7","1") = "6"
    & skf21("2","6","1","6","6","5","1","1") = "5"
    & skf21("2","6","1","6","6","5","2","1") = "5"
    & skf21("2","6","1","6","6","5","3","1") = "5"
    & skf21("2","6","1","6","6","5","4","1") = "5"
    & skf21("2","6","1","6","6","5","5","1") = "5"
    & skf21("2","6","1","6","6","5","6","1") = "5"
    & skf21("2","6","1","6","6","5","7","1") = "6"
    & skf21("2","6","1","6","6","6","1","1") = "5"
    & skf21("2","6","1","6","6","6","2","1") = "5"
    & skf21("2","6","1","6","6","6","3","1") = "5"
    & skf21("2","6","1","6","6","6","4","1") = "5"
    & skf21("2","6","1","6","6","6","5","1") = "5"
    & skf21("2","6","1","6","6","6","6","1") = "5"
    & skf21("2","6","1","6","6","6","7","1") = "6"
    & skf21("2","6","1","6","6","7","1","1") = "6"
    & skf21("2","6","1","6","6","7","2","1") = "6"
    & skf21("2","6","1","6","6","7","3","1") = "6"
    & skf21("2","6","1","6","6","7","4","1") = "6"
    & skf21("2","6","1","6","6","7","5","1") = "6"
    & skf21("2","6","1","6","6","7","6","1") = "6"
    & skf21("2","6","1","6","6","7","7","1") = "6"
    & skf21("2","6","1","6","7","1","1","1") = "6"
    & skf21("2","6","1","6","7","1","2","1") = "6"
    & skf21("2","6","1","6","7","1","3","1") = "6"
    & skf21("2","6","1","6","7","1","4","1") = "6"
    & skf21("2","6","1","6","7","1","5","1") = "6"
    & skf21("2","6","1","6","7","1","6","1") = "6"
    & skf21("2","6","1","6","7","1","7","1") = "6"
    & skf21("2","6","1","6","7","2","1","1") = "6"
    & skf21("2","6","1","6","7","2","2","1") = "6"
    & skf21("2","6","1","6","7","2","3","1") = "6"
    & skf21("2","6","1","6","7","2","4","1") = "6"
    & skf21("2","6","1","6","7","2","5","1") = "6"
    & skf21("2","6","1","6","7","2","6","1") = "6"
    & skf21("2","6","1","6","7","2","7","1") = "6"
    & skf21("2","6","1","6","7","3","1","1") = "6"
    & skf21("2","6","1","6","7","3","2","1") = "6"
    & skf21("2","6","1","6","7","3","3","1") = "6"
    & skf21("2","6","1","6","7","3","4","1") = "6"
    & skf21("2","6","1","6","7","3","5","1") = "6"
    & skf21("2","6","1","6","7","3","6","1") = "6"
    & skf21("2","6","1","6","7","3","7","1") = "6"
    & skf21("2","6","1","6","7","4","1","1") = "6"
    & skf21("2","6","1","6","7","4","2","1") = "6"
    & skf21("2","6","1","6","7","4","3","1") = "6"
    & skf21("2","6","1","6","7","4","4","1") = "6"
    & skf21("2","6","1","6","7","4","5","1") = "6"
    & skf21("2","6","1","6","7","4","6","1") = "6"
    & skf21("2","6","1","6","7","4","7","1") = "6"
    & skf21("2","6","1","6","7","5","1","1") = "6"
    & skf21("2","6","1","6","7","5","2","1") = "6"
    & skf21("2","6","1","6","7","5","3","1") = "6"
    & skf21("2","6","1","6","7","5","4","1") = "6"
    & skf21("2","6","1","6","7","5","5","1") = "6"
    & skf21("2","6","1","6","7","5","6","1") = "6"
    & skf21("2","6","1","6","7","5","7","1") = "6"
    & skf21("2","6","1","6","7","6","1","1") = "6"
    & skf21("2","6","1","6","7","6","2","1") = "6"
    & skf21("2","6","1","6","7","6","3","1") = "6"
    & skf21("2","6","1","6","7","6","4","1") = "6"
    & skf21("2","6","1","6","7","6","5","1") = "6"
    & skf21("2","6","1","6","7","6","6","1") = "6"
    & skf21("2","6","1","6","7","6","7","1") = "6"
    & skf21("2","6","1","6","7","7","1","1") = "6"
    & skf21("2","6","1","6","7","7","2","1") = "6"
    & skf21("2","6","1","6","7","7","3","1") = "6"
    & skf21("2","6","1","6","7","7","4","1") = "6"
    & skf21("2","6","1","6","7","7","5","1") = "6"
    & skf21("2","6","1","6","7","7","6","1") = "6"
    & skf21("2","6","1","6","7","7","7","1") = "6"
    & skf21("2","6","1","7","1","1","1","1") = "6"
    & skf21("2","6","1","7","1","1","2","1") = "6"
    & skf21("2","6","1","7","1","1","3","1") = "6"
    & skf21("2","6","1","7","1","1","4","1") = "6"
    & skf21("2","6","1","7","1","1","5","1") = "6"
    & skf21("2","6","1","7","1","1","6","1") = "6"
    & skf21("2","6","1","7","1","1","7","1") = "6"
    & skf21("2","6","1","7","1","2","1","1") = "6"
    & skf21("2","6","1","7","1","2","2","1") = "6"
    & skf21("2","6","1","7","1","2","3","1") = "6"
    & skf21("2","6","1","7","1","2","4","1") = "6"
    & skf21("2","6","1","7","1","2","5","1") = "6"
    & skf21("2","6","1","7","1","2","6","1") = "6"
    & skf21("2","6","1","7","1","2","7","1") = "6"
    & skf21("2","6","1","7","1","3","1","1") = "6"
    & skf21("2","6","1","7","1","3","2","1") = "6"
    & skf21("2","6","1","7","1","3","3","1") = "6"
    & skf21("2","6","1","7","1","3","4","1") = "6"
    & skf21("2","6","1","7","1","3","5","1") = "6"
    & skf21("2","6","1","7","1","3","6","1") = "6"
    & skf21("2","6","1","7","1","3","7","1") = "6"
    & skf21("2","6","1","7","1","4","1","1") = "6"
    & skf21("2","6","1","7","1","4","2","1") = "6"
    & skf21("2","6","1","7","1","4","3","1") = "6"
    & skf21("2","6","1","7","1","4","4","1") = "6"
    & skf21("2","6","1","7","1","4","5","1") = "6"
    & skf21("2","6","1","7","1","4","6","1") = "6"
    & skf21("2","6","1","7","1","4","7","1") = "6"
    & skf21("2","6","1","7","1","5","1","1") = "6"
    & skf21("2","6","1","7","1","5","2","1") = "6"
    & skf21("2","6","1","7","1","5","3","1") = "6"
    & skf21("2","6","1","7","1","5","4","1") = "6"
    & skf21("2","6","1","7","1","5","5","1") = "6"
    & skf21("2","6","1","7","1","5","6","1") = "6"
    & skf21("2","6","1","7","1","5","7","1") = "6"
    & skf21("2","6","1","7","1","6","1","1") = "6"
    & skf21("2","6","1","7","1","6","2","1") = "6"
    & skf21("2","6","1","7","1","6","3","1") = "6"
    & skf21("2","6","1","7","1","6","4","1") = "6"
    & skf21("2","6","1","7","1","6","5","1") = "6"
    & skf21("2","6","1","7","1","6","6","1") = "6"
    & skf21("2","6","1","7","1","6","7","1") = "6"
    & skf21("2","6","1","7","1","7","1","1") = "6"
    & skf21("2","6","1","7","1","7","2","1") = "6"
    & skf21("2","6","1","7","1","7","3","1") = "6"
    & skf21("2","6","1","7","1","7","4","1") = "6"
    & skf21("2","6","1","7","1","7","5","1") = "6"
    & skf21("2","6","1","7","1","7","6","1") = "6"
    & skf21("2","6","1","7","1","7","7","1") = "6"
    & skf21("2","6","1","7","2","1","1","1") = "6"
    & skf21("2","6","1","7","2","1","2","1") = "6"
    & skf21("2","6","1","7","2","1","3","1") = "6"
    & skf21("2","6","1","7","2","1","4","1") = "6"
    & skf21("2","6","1","7","2","1","5","1") = "6"
    & skf21("2","6","1","7","2","1","6","1") = "6"
    & skf21("2","6","1","7","2","1","7","1") = "6"
    & skf21("2","6","1","7","2","2","1","1") = "6"
    & skf21("2","6","1","7","2","2","2","1") = "6"
    & skf21("2","6","1","7","2","2","3","1") = "6"
    & skf21("2","6","1","7","2","2","4","1") = "6"
    & skf21("2","6","1","7","2","2","5","1") = "6"
    & skf21("2","6","1","7","2","2","6","1") = "6"
    & skf21("2","6","1","7","2","2","7","1") = "6"
    & skf21("2","6","1","7","2","3","1","1") = "6"
    & skf21("2","6","1","7","2","3","2","1") = "6"
    & skf21("2","6","1","7","2","3","3","1") = "6"
    & skf21("2","6","1","7","2","3","4","1") = "6"
    & skf21("2","6","1","7","2","3","5","1") = "6"
    & skf21("2","6","1","7","2","3","6","1") = "6"
    & skf21("2","6","1","7","2","3","7","1") = "6"
    & skf21("2","6","1","7","2","4","1","1") = "6"
    & skf21("2","6","1","7","2","4","2","1") = "6"
    & skf21("2","6","1","7","2","4","3","1") = "6"
    & skf21("2","6","1","7","2","4","4","1") = "6"
    & skf21("2","6","1","7","2","4","5","1") = "6"
    & skf21("2","6","1","7","2","4","6","1") = "6"
    & skf21("2","6","1","7","2","4","7","1") = "6"
    & skf21("2","6","1","7","2","5","1","1") = "6"
    & skf21("2","6","1","7","2","5","2","1") = "6"
    & skf21("2","6","1","7","2","5","3","1") = "6"
    & skf21("2","6","1","7","2","5","4","1") = "6"
    & skf21("2","6","1","7","2","5","5","1") = "6"
    & skf21("2","6","1","7","2","5","6","1") = "6"
    & skf21("2","6","1","7","2","5","7","1") = "6"
    & skf21("2","6","1","7","2","6","1","1") = "6"
    & skf21("2","6","1","7","2","6","2","1") = "6"
    & skf21("2","6","1","7","2","6","3","1") = "6"
    & skf21("2","6","1","7","2","6","4","1") = "6"
    & skf21("2","6","1","7","2","6","5","1") = "6"
    & skf21("2","6","1","7","2","6","6","1") = "6"
    & skf21("2","6","1","7","2","6","7","1") = "6"
    & skf21("2","6","1","7","2","7","1","1") = "6"
    & skf21("2","6","1","7","2","7","2","1") = "6"
    & skf21("2","6","1","7","2","7","3","1") = "6"
    & skf21("2","6","1","7","2","7","4","1") = "6"
    & skf21("2","6","1","7","2","7","5","1") = "6"
    & skf21("2","6","1","7","2","7","6","1") = "6"
    & skf21("2","6","1","7","2","7","7","1") = "6"
    & skf21("2","6","1","7","3","1","1","1") = "6"
    & skf21("2","6","1","7","3","1","2","1") = "6"
    & skf21("2","6","1","7","3","1","3","1") = "6"
    & skf21("2","6","1","7","3","1","4","1") = "6"
    & skf21("2","6","1","7","3","1","5","1") = "6"
    & skf21("2","6","1","7","3","1","6","1") = "6"
    & skf21("2","6","1","7","3","1","7","1") = "6"
    & skf21("2","6","1","7","3","2","1","1") = "6"
    & skf21("2","6","1","7","3","2","2","1") = "6"
    & skf21("2","6","1","7","3","2","3","1") = "6"
    & skf21("2","6","1","7","3","2","4","1") = "6"
    & skf21("2","6","1","7","3","2","5","1") = "6"
    & skf21("2","6","1","7","3","2","6","1") = "6"
    & skf21("2","6","1","7","3","2","7","1") = "6"
    & skf21("2","6","1","7","3","3","1","1") = "6"
    & skf21("2","6","1","7","3","3","2","1") = "6"
    & skf21("2","6","1","7","3","3","3","1") = "6"
    & skf21("2","6","1","7","3","3","4","1") = "6"
    & skf21("2","6","1","7","3","3","5","1") = "6"
    & skf21("2","6","1","7","3","3","6","1") = "6"
    & skf21("2","6","1","7","3","3","7","1") = "6"
    & skf21("2","6","1","7","3","4","1","1") = "6"
    & skf21("2","6","1","7","3","4","2","1") = "6"
    & skf21("2","6","1","7","3","4","3","1") = "6"
    & skf21("2","6","1","7","3","4","4","1") = "6"
    & skf21("2","6","1","7","3","4","5","1") = "6"
    & skf21("2","6","1","7","3","4","6","1") = "6"
    & skf21("2","6","1","7","3","4","7","1") = "6"
    & skf21("2","6","1","7","3","5","1","1") = "6"
    & skf21("2","6","1","7","3","5","2","1") = "6"
    & skf21("2","6","1","7","3","5","3","1") = "6"
    & skf21("2","6","1","7","3","5","4","1") = "6"
    & skf21("2","6","1","7","3","5","5","1") = "6"
    & skf21("2","6","1","7","3","5","6","1") = "6"
    & skf21("2","6","1","7","3","5","7","1") = "6"
    & skf21("2","6","1","7","3","6","1","1") = "6"
    & skf21("2","6","1","7","3","6","2","1") = "6"
    & skf21("2","6","1","7","3","6","3","1") = "6"
    & skf21("2","6","1","7","3","6","4","1") = "6"
    & skf21("2","6","1","7","3","6","5","1") = "6"
    & skf21("2","6","1","7","3","6","6","1") = "6"
    & skf21("2","6","1","7","3","6","7","1") = "6"
    & skf21("2","6","1","7","3","7","1","1") = "6"
    & skf21("2","6","1","7","3","7","2","1") = "6"
    & skf21("2","6","1","7","3","7","3","1") = "6"
    & skf21("2","6","1","7","3","7","4","1") = "6"
    & skf21("2","6","1","7","3","7","5","1") = "6"
    & skf21("2","6","1","7","3","7","6","1") = "6"
    & skf21("2","6","1","7","3","7","7","1") = "6"
    & skf21("2","6","1","7","4","1","1","1") = "6"
    & skf21("2","6","1","7","4","1","2","1") = "6"
    & skf21("2","6","1","7","4","1","3","1") = "6"
    & skf21("2","6","1","7","4","1","4","1") = "6"
    & skf21("2","6","1","7","4","1","5","1") = "6"
    & skf21("2","6","1","7","4","1","6","1") = "6"
    & skf21("2","6","1","7","4","1","7","1") = "6"
    & skf21("2","6","1","7","4","2","1","1") = "6"
    & skf21("2","6","1","7","4","2","2","1") = "6"
    & skf21("2","6","1","7","4","2","3","1") = "6"
    & skf21("2","6","1","7","4","2","4","1") = "6"
    & skf21("2","6","1","7","4","2","5","1") = "6"
    & skf21("2","6","1","7","4","2","6","1") = "6"
    & skf21("2","6","1","7","4","2","7","1") = "6"
    & skf21("2","6","1","7","4","3","1","1") = "6"
    & skf21("2","6","1","7","4","3","2","1") = "6"
    & skf21("2","6","1","7","4","3","3","1") = "6"
    & skf21("2","6","1","7","4","3","4","1") = "6"
    & skf21("2","6","1","7","4","3","5","1") = "6"
    & skf21("2","6","1","7","4","3","6","1") = "6"
    & skf21("2","6","1","7","4","3","7","1") = "6"
    & skf21("2","6","1","7","4","4","1","1") = "6"
    & skf21("2","6","1","7","4","4","2","1") = "6"
    & skf21("2","6","1","7","4","4","3","1") = "6"
    & skf21("2","6","1","7","4","4","4","1") = "6"
    & skf21("2","6","1","7","4","4","5","1") = "6"
    & skf21("2","6","1","7","4","4","6","1") = "6"
    & skf21("2","6","1","7","4","4","7","1") = "6"
    & skf21("2","6","1","7","4","5","1","1") = "6"
    & skf21("2","6","1","7","4","5","2","1") = "6"
    & skf21("2","6","1","7","4","5","3","1") = "6"
    & skf21("2","6","1","7","4","5","4","1") = "6"
    & skf21("2","6","1","7","4","5","5","1") = "6"
    & skf21("2","6","1","7","4","5","6","1") = "6"
    & skf21("2","6","1","7","4","5","7","1") = "6"
    & skf21("2","6","1","7","4","6","1","1") = "6"
    & skf21("2","6","1","7","4","6","2","1") = "6"
    & skf21("2","6","1","7","4","6","3","1") = "6"
    & skf21("2","6","1","7","4","6","4","1") = "6"
    & skf21("2","6","1","7","4","6","5","1") = "6"
    & skf21("2","6","1","7","4","6","6","1") = "6"
    & skf21("2","6","1","7","4","6","7","1") = "6"
    & skf21("2","6","1","7","4","7","1","1") = "6"
    & skf21("2","6","1","7","4","7","2","1") = "6"
    & skf21("2","6","1","7","4","7","3","1") = "6"
    & skf21("2","6","1","7","4","7","4","1") = "6"
    & skf21("2","6","1","7","4","7","5","1") = "6"
    & skf21("2","6","1","7","4","7","6","1") = "6"
    & skf21("2","6","1","7","4","7","7","1") = "6"
    & skf21("2","6","1","7","5","1","1","1") = "6"
    & skf21("2","6","1","7","5","1","2","1") = "6"
    & skf21("2","6","1","7","5","1","3","1") = "6"
    & skf21("2","6","1","7","5","1","4","1") = "6"
    & skf21("2","6","1","7","5","1","5","1") = "6"
    & skf21("2","6","1","7","5","1","6","1") = "6"
    & skf21("2","6","1","7","5","1","7","1") = "6"
    & skf21("2","6","1","7","5","2","1","1") = "6"
    & skf21("2","6","1","7","5","2","2","1") = "6"
    & skf21("2","6","1","7","5","2","3","1") = "6"
    & skf21("2","6","1","7","5","2","4","1") = "6"
    & skf21("2","6","1","7","5","2","5","1") = "6"
    & skf21("2","6","1","7","5","2","6","1") = "6"
    & skf21("2","6","1","7","5","2","7","1") = "6"
    & skf21("2","6","1","7","5","3","1","1") = "6"
    & skf21("2","6","1","7","5","3","2","1") = "6"
    & skf21("2","6","1","7","5","3","3","1") = "6"
    & skf21("2","6","1","7","5","3","4","1") = "6"
    & skf21("2","6","1","7","5","3","5","1") = "6"
    & skf21("2","6","1","7","5","3","6","1") = "6"
    & skf21("2","6","1","7","5","3","7","1") = "6"
    & skf21("2","6","1","7","5","4","1","1") = "6"
    & skf21("2","6","1","7","5","4","2","1") = "6"
    & skf21("2","6","1","7","5","4","3","1") = "6"
    & skf21("2","6","1","7","5","4","4","1") = "6"
    & skf21("2","6","1","7","5","4","5","1") = "6"
    & skf21("2","6","1","7","5","4","6","1") = "6"
    & skf21("2","6","1","7","5","4","7","1") = "6"
    & skf21("2","6","1","7","5","5","1","1") = "6"
    & skf21("2","6","1","7","5","5","2","1") = "6"
    & skf21("2","6","1","7","5","5","3","1") = "6"
    & skf21("2","6","1","7","5","5","4","1") = "6"
    & skf21("2","6","1","7","5","5","5","1") = "6"
    & skf21("2","6","1","7","5","5","6","1") = "6"
    & skf21("2","6","1","7","5","5","7","1") = "6"
    & skf21("2","6","1","7","5","6","1","1") = "6"
    & skf21("2","6","1","7","5","6","2","1") = "6"
    & skf21("2","6","1","7","5","6","3","1") = "6"
    & skf21("2","6","1","7","5","6","4","1") = "6"
    & skf21("2","6","1","7","5","6","5","1") = "6"
    & skf21("2","6","1","7","5","6","6","1") = "6"
    & skf21("2","6","1","7","5","6","7","1") = "6"
    & skf21("2","6","1","7","5","7","1","1") = "6"
    & skf21("2","6","1","7","5","7","2","1") = "6"
    & skf21("2","6","1","7","5","7","3","1") = "6"
    & skf21("2","6","1","7","5","7","4","1") = "6"
    & skf21("2","6","1","7","5","7","5","1") = "6"
    & skf21("2","6","1","7","5","7","6","1") = "6"
    & skf21("2","6","1","7","5","7","7","1") = "6"
    & skf21("2","6","1","7","6","1","1","1") = "6"
    & skf21("2","6","1","7","6","1","2","1") = "6"
    & skf21("2","6","1","7","6","1","3","1") = "6"
    & skf21("2","6","1","7","6","1","4","1") = "6"
    & skf21("2","6","1","7","6","1","5","1") = "6"
    & skf21("2","6","1","7","6","1","6","1") = "6"
    & skf21("2","6","1","7","6","1","7","1") = "6"
    & skf21("2","6","1","7","6","2","1","1") = "6"
    & skf21("2","6","1","7","6","2","2","1") = "6"
    & skf21("2","6","1","7","6","2","3","1") = "6"
    & skf21("2","6","1","7","6","2","4","1") = "6"
    & skf21("2","6","1","7","6","2","5","1") = "6"
    & skf21("2","6","1","7","6","2","6","1") = "6"
    & skf21("2","6","1","7","6","2","7","1") = "6"
    & skf21("2","6","1","7","6","3","1","1") = "6"
    & skf21("2","6","1","7","6","3","2","1") = "6"
    & skf21("2","6","1","7","6","3","3","1") = "6"
    & skf21("2","6","1","7","6","3","4","1") = "6"
    & skf21("2","6","1","7","6","3","5","1") = "6"
    & skf21("2","6","1","7","6","3","6","1") = "6"
    & skf21("2","6","1","7","6","3","7","1") = "6"
    & skf21("2","6","1","7","6","4","1","1") = "6"
    & skf21("2","6","1","7","6","4","2","1") = "6"
    & skf21("2","6","1","7","6","4","3","1") = "6"
    & skf21("2","6","1","7","6","4","4","1") = "6"
    & skf21("2","6","1","7","6","4","5","1") = "6"
    & skf21("2","6","1","7","6","4","6","1") = "6"
    & skf21("2","6","1","7","6","4","7","1") = "6"
    & skf21("2","6","1","7","6","5","1","1") = "6"
    & skf21("2","6","1","7","6","5","2","1") = "6"
    & skf21("2","6","1","7","6","5","3","1") = "6"
    & skf21("2","6","1","7","6","5","4","1") = "6"
    & skf21("2","6","1","7","6","5","5","1") = "6"
    & skf21("2","6","1","7","6","5","6","1") = "6"
    & skf21("2","6","1","7","6","5","7","1") = "6"
    & skf21("2","6","1","7","6","6","1","1") = "6"
    & skf21("2","6","1","7","6","6","2","1") = "6"
    & skf21("2","6","1","7","6","6","3","1") = "6"
    & skf21("2","6","1","7","6","6","4","1") = "6"
    & skf21("2","6","1","7","6","6","5","1") = "6"
    & skf21("2","6","1","7","6","6","6","1") = "6"
    & skf21("2","6","1","7","6","6","7","1") = "6"
    & skf21("2","6","1","7","6","7","1","1") = "6"
    & skf21("2","6","1","7","6","7","2","1") = "6"
    & skf21("2","6","1","7","6","7","3","1") = "6"
    & skf21("2","6","1","7","6","7","4","1") = "6"
    & skf21("2","6","1","7","6","7","5","1") = "6"
    & skf21("2","6","1","7","6","7","6","1") = "6"
    & skf21("2","6","1","7","6","7","7","1") = "6"
    & skf21("2","6","1","7","7","1","1","1") = "6"
    & skf21("2","6","1","7","7","1","2","1") = "6"
    & skf21("2","6","1","7","7","1","3","1") = "6"
    & skf21("2","6","1","7","7","1","4","1") = "6"
    & skf21("2","6","1","7","7","1","5","1") = "6"
    & skf21("2","6","1","7","7","1","6","1") = "6"
    & skf21("2","6","1","7","7","1","7","1") = "6"
    & skf21("2","6","1","7","7","2","1","1") = "6"
    & skf21("2","6","1","7","7","2","2","1") = "6"
    & skf21("2","6","1","7","7","2","3","1") = "6"
    & skf21("2","6","1","7","7","2","4","1") = "6"
    & skf21("2","6","1","7","7","2","5","1") = "6"
    & skf21("2","6","1","7","7","2","6","1") = "6"
    & skf21("2","6","1","7","7","2","7","1") = "6"
    & skf21("2","6","1","7","7","3","1","1") = "6"
    & skf21("2","6","1","7","7","3","2","1") = "6"
    & skf21("2","6","1","7","7","3","3","1") = "6"
    & skf21("2","6","1","7","7","3","4","1") = "6"
    & skf21("2","6","1","7","7","3","5","1") = "6"
    & skf21("2","6","1","7","7","3","6","1") = "6"
    & skf21("2","6","1","7","7","3","7","1") = "6"
    & skf21("2","6","1","7","7","4","1","1") = "6"
    & skf21("2","6","1","7","7","4","2","1") = "6"
    & skf21("2","6","1","7","7","4","3","1") = "6"
    & skf21("2","6","1","7","7","4","4","1") = "6"
    & skf21("2","6","1","7","7","4","5","1") = "6"
    & skf21("2","6","1","7","7","4","6","1") = "6"
    & skf21("2","6","1","7","7","4","7","1") = "6"
    & skf21("2","6","1","7","7","5","1","1") = "6"
    & skf21("2","6","1","7","7","5","2","1") = "6"
    & skf21("2","6","1","7","7","5","3","1") = "6"
    & skf21("2","6","1","7","7","5","4","1") = "6"
    & skf21("2","6","1","7","7","5","5","1") = "6"
    & skf21("2","6","1","7","7","5","6","1") = "6"
    & skf21("2","6","1","7","7","5","7","1") = "6"
    & skf21("2","6","1","7","7","6","1","1") = "6"
    & skf21("2","6","1","7","7","6","2","1") = "6"
    & skf21("2","6","1","7","7","6","3","1") = "6"
    & skf21("2","6","1","7","7","6","4","1") = "6"
    & skf21("2","6","1","7","7","6","5","1") = "6"
    & skf21("2","6","1","7","7","6","6","1") = "6"
    & skf21("2","6","1","7","7","6","7","1") = "6"
    & skf21("2","6","1","7","7","7","1","1") = "6"
    & skf21("2","6","1","7","7","7","2","1") = "6"
    & skf21("2","6","1","7","7","7","3","1") = "6"
    & skf21("2","6","1","7","7","7","4","1") = "6"
    & skf21("2","6","1","7","7","7","5","1") = "6"
    & skf21("2","6","1","7","7","7","6","1") = "6"
    & skf21("2","6","1","7","7","7","7","1") = "6"
    & skf21("2","6","2","1","1","1","1","1") = "5"
    & skf21("2","6","2","1","1","1","2","1") = "5"
    & skf21("2","6","2","1","1","1","3","1") = "5"
    & skf21("2","6","2","1","1","1","4","1") = "5"
    & skf21("2","6","2","1","1","1","5","1") = "5"
    & skf21("2","6","2","1","1","1","6","1") = "5"
    & skf21("2","6","2","1","1","1","7","1") = "6"
    & skf21("2","6","2","1","1","2","1","1") = "5"
    & skf21("2","6","2","1","1","2","2","1") = "5"
    & skf21("2","6","2","1","1","2","3","1") = "5"
    & skf21("2","6","2","1","1","2","4","1") = "5"
    & skf21("2","6","2","1","1","2","5","1") = "5"
    & skf21("2","6","2","1","1","2","6","1") = "5"
    & skf21("2","6","2","1","1","2","7","1") = "6"
    & skf21("2","6","2","1","1","3","1","1") = "5"
    & skf21("2","6","2","1","1","3","2","1") = "5"
    & skf21("2","6","2","1","1","3","3","1") = "5"
    & skf21("2","6","2","1","1","3","4","1") = "5"
    & skf21("2","6","2","1","1","3","5","1") = "5"
    & skf21("2","6","2","1","1","3","6","1") = "5"
    & skf21("2","6","2","1","1","3","7","1") = "6"
    & skf21("2","6","2","1","1","4","1","1") = "5"
    & skf21("2","6","2","1","1","4","2","1") = "5"
    & skf21("2","6","2","1","1","4","3","1") = "5"
    & skf21("2","6","2","1","1","4","4","1") = "5"
    & skf21("2","6","2","1","1","4","5","1") = "5"
    & skf21("2","6","2","1","1","4","6","1") = "5"
    & skf21("2","6","2","1","1","4","7","1") = "6"
    & skf21("2","6","2","1","1","5","1","1") = "5"
    & skf21("2","6","2","1","1","5","2","1") = "5"
    & skf21("2","6","2","1","1","5","3","1") = "5"
    & skf21("2","6","2","1","1","5","4","1") = "5"
    & skf21("2","6","2","1","1","5","5","1") = "5"
    & skf21("2","6","2","1","1","5","6","1") = "5"
    & skf21("2","6","2","1","1","5","7","1") = "6"
    & skf21("2","6","2","1","1","6","1","1") = "5"
    & skf21("2","6","2","1","1","6","2","1") = "5"
    & skf21("2","6","2","1","1","6","3","1") = "5"
    & skf21("2","6","2","1","1","6","4","1") = "5"
    & skf21("2","6","2","1","1","6","5","1") = "5"
    & skf21("2","6","2","1","1","6","6","1") = "5"
    & skf21("2","6","2","1","1","6","7","1") = "6"
    & skf21("2","6","2","1","1","7","1","1") = "6"
    & skf21("2","6","2","1","1","7","2","1") = "6"
    & skf21("2","6","2","1","1","7","3","1") = "6"
    & skf21("2","6","2","1","1","7","4","1") = "6"
    & skf21("2","6","2","1","1","7","5","1") = "6"
    & skf21("2","6","2","1","1","7","6","1") = "6"
    & skf21("2","6","2","1","1","7","7","1") = "6"
    & skf21("2","6","2","1","2","1","1","1") = "5"
    & skf21("2","6","2","1","2","1","2","1") = "5"
    & skf21("2","6","2","1","2","1","3","1") = "5"
    & skf21("2","6","2","1","2","1","4","1") = "5"
    & skf21("2","6","2","1","2","1","5","1") = "5"
    & skf21("2","6","2","1","2","1","6","1") = "5"
    & skf21("2","6","2","1","2","1","7","1") = "6"
    & skf21("2","6","2","1","2","2","1","1") = "5"
    & skf21("2","6","2","1","2","2","2","1") = "5"
    & skf21("2","6","2","1","2","2","3","1") = "5"
    & skf21("2","6","2","1","2","2","4","1") = "5"
    & skf21("2","6","2","1","2","2","5","1") = "5"
    & skf21("2","6","2","1","2","2","6","1") = "5"
    & skf21("2","6","2","1","2","2","7","1") = "6"
    & skf21("2","6","2","1","2","3","1","1") = "5"
    & skf21("2","6","2","1","2","3","2","1") = "5"
    & skf21("2","6","2","1","2","3","3","1") = "5"
    & skf21("2","6","2","1","2","3","4","1") = "5"
    & skf21("2","6","2","1","2","3","5","1") = "5"
    & skf21("2","6","2","1","2","3","6","1") = "5"
    & skf21("2","6","2","1","2","3","7","1") = "6"
    & skf21("2","6","2","1","2","4","1","1") = "5"
    & skf21("2","6","2","1","2","4","2","1") = "5"
    & skf21("2","6","2","1","2","4","3","1") = "5"
    & skf21("2","6","2","1","2","4","4","1") = "5"
    & skf21("2","6","2","1","2","4","5","1") = "5"
    & skf21("2","6","2","1","2","4","6","1") = "5"
    & skf21("2","6","2","1","2","4","7","1") = "6"
    & skf21("2","6","2","1","2","5","1","1") = "5"
    & skf21("2","6","2","1","2","5","2","1") = "5"
    & skf21("2","6","2","1","2","5","3","1") = "5"
    & skf21("2","6","2","1","2","5","4","1") = "5"
    & skf21("2","6","2","1","2","5","5","1") = "5"
    & skf21("2","6","2","1","2","5","6","1") = "5"
    & skf21("2","6","2","1","2","5","7","1") = "6"
    & skf21("2","6","2","1","2","6","1","1") = "5"
    & skf21("2","6","2","1","2","6","2","1") = "5"
    & skf21("2","6","2","1","2","6","3","1") = "5"
    & skf21("2","6","2","1","2","6","4","1") = "5"
    & skf21("2","6","2","1","2","6","5","1") = "5"
    & skf21("2","6","2","1","2","6","6","1") = "5"
    & skf21("2","6","2","1","2","6","7","1") = "6"
    & skf21("2","6","2","1","2","7","1","1") = "6"
    & skf21("2","6","2","1","2","7","2","1") = "6"
    & skf21("2","6","2","1","2","7","3","1") = "6"
    & skf21("2","6","2","1","2","7","4","1") = "6"
    & skf21("2","6","2","1","2","7","5","1") = "6"
    & skf21("2","6","2","1","2","7","6","1") = "6"
    & skf21("2","6","2","1","2","7","7","1") = "6"
    & skf21("2","6","2","1","3","1","1","1") = "5"
    & skf21("2","6","2","1","3","1","2","1") = "5"
    & skf21("2","6","2","1","3","1","3","1") = "5"
    & skf21("2","6","2","1","3","1","4","1") = "5"
    & skf21("2","6","2","1","3","1","5","1") = "5"
    & skf21("2","6","2","1","3","1","6","1") = "5"
    & skf21("2","6","2","1","3","1","7","1") = "6"
    & skf21("2","6","2","1","3","2","1","1") = "5"
    & skf21("2","6","2","1","3","2","2","1") = "5"
    & skf21("2","6","2","1","3","2","3","1") = "5"
    & skf21("2","6","2","1","3","2","4","1") = "5"
    & skf21("2","6","2","1","3","2","5","1") = "5"
    & skf21("2","6","2","1","3","2","6","1") = "5"
    & skf21("2","6","2","1","3","2","7","1") = "6"
    & skf21("2","6","2","1","3","3","1","1") = "5"
    & skf21("2","6","2","1","3","3","2","1") = "5"
    & skf21("2","6","2","1","3","3","3","1") = "5"
    & skf21("2","6","2","1","3","3","4","1") = "5"
    & skf21("2","6","2","1","3","3","5","1") = "5"
    & skf21("2","6","2","1","3","3","6","1") = "5"
    & skf21("2","6","2","1","3","3","7","1") = "6"
    & skf21("2","6","2","1","3","4","1","1") = "5"
    & skf21("2","6","2","1","3","4","2","1") = "5"
    & skf21("2","6","2","1","3","4","3","1") = "5"
    & skf21("2","6","2","1","3","4","4","1") = "5"
    & skf21("2","6","2","1","3","4","5","1") = "5"
    & skf21("2","6","2","1","3","4","6","1") = "5"
    & skf21("2","6","2","1","3","4","7","1") = "6"
    & skf21("2","6","2","1","3","5","1","1") = "5"
    & skf21("2","6","2","1","3","5","2","1") = "5"
    & skf21("2","6","2","1","3","5","3","1") = "5"
    & skf21("2","6","2","1","3","5","4","1") = "5"
    & skf21("2","6","2","1","3","5","5","1") = "5"
    & skf21("2","6","2","1","3","5","6","1") = "5"
    & skf21("2","6","2","1","3","5","7","1") = "6"
    & skf21("2","6","2","1","3","6","1","1") = "5"
    & skf21("2","6","2","1","3","6","2","1") = "5"
    & skf21("2","6","2","1","3","6","3","1") = "5"
    & skf21("2","6","2","1","3","6","4","1") = "5"
    & skf21("2","6","2","1","3","6","5","1") = "5"
    & skf21("2","6","2","1","3","6","6","1") = "5"
    & skf21("2","6","2","1","3","6","7","1") = "6"
    & skf21("2","6","2","1","3","7","1","1") = "6"
    & skf21("2","6","2","1","3","7","2","1") = "6"
    & skf21("2","6","2","1","3","7","3","1") = "6"
    & skf21("2","6","2","1","3","7","4","1") = "6"
    & skf21("2","6","2","1","3","7","5","1") = "6"
    & skf21("2","6","2","1","3","7","6","1") = "6"
    & skf21("2","6","2","1","3","7","7","1") = "6"
    & skf21("2","6","2","1","4","1","1","1") = "5"
    & skf21("2","6","2","1","4","1","2","1") = "5"
    & skf21("2","6","2","1","4","1","3","1") = "5"
    & skf21("2","6","2","1","4","1","4","1") = "5"
    & skf21("2","6","2","1","4","1","5","1") = "5"
    & skf21("2","6","2","1","4","1","6","1") = "5"
    & skf21("2","6","2","1","4","1","7","1") = "6"
    & skf21("2","6","2","1","4","2","1","1") = "5"
    & skf21("2","6","2","1","4","2","2","1") = "5"
    & skf21("2","6","2","1","4","2","3","1") = "5"
    & skf21("2","6","2","1","4","2","4","1") = "5"
    & skf21("2","6","2","1","4","2","5","1") = "5"
    & skf21("2","6","2","1","4","2","6","1") = "5"
    & skf21("2","6","2","1","4","2","7","1") = "6"
    & skf21("2","6","2","1","4","3","1","1") = "5"
    & skf21("2","6","2","1","4","3","2","1") = "5"
    & skf21("2","6","2","1","4","3","3","1") = "5"
    & skf21("2","6","2","1","4","3","4","1") = "5"
    & skf21("2","6","2","1","4","3","5","1") = "5"
    & skf21("2","6","2","1","4","3","6","1") = "5"
    & skf21("2","6","2","1","4","3","7","1") = "6"
    & skf21("2","6","2","1","4","4","1","1") = "5"
    & skf21("2","6","2","1","4","4","2","1") = "5"
    & skf21("2","6","2","1","4","4","3","1") = "5"
    & skf21("2","6","2","1","4","4","4","1") = "5"
    & skf21("2","6","2","1","4","4","5","1") = "5"
    & skf21("2","6","2","1","4","4","6","1") = "5"
    & skf21("2","6","2","1","4","4","7","1") = "6"
    & skf21("2","6","2","1","4","5","1","1") = "5"
    & skf21("2","6","2","1","4","5","2","1") = "5"
    & skf21("2","6","2","1","4","5","3","1") = "5"
    & skf21("2","6","2","1","4","5","4","1") = "5"
    & skf21("2","6","2","1","4","5","5","1") = "5"
    & skf21("2","6","2","1","4","5","6","1") = "5"
    & skf21("2","6","2","1","4","5","7","1") = "6"
    & skf21("2","6","2","1","4","6","1","1") = "5"
    & skf21("2","6","2","1","4","6","2","1") = "5"
    & skf21("2","6","2","1","4","6","3","1") = "5"
    & skf21("2","6","2","1","4","6","4","1") = "5"
    & skf21("2","6","2","1","4","6","5","1") = "5"
    & skf21("2","6","2","1","4","6","6","1") = "5"
    & skf21("2","6","2","1","4","6","7","1") = "6"
    & skf21("2","6","2","1","4","7","1","1") = "6"
    & skf21("2","6","2","1","4","7","2","1") = "6"
    & skf21("2","6","2","1","4","7","3","1") = "6"
    & skf21("2","6","2","1","4","7","4","1") = "6"
    & skf21("2","6","2","1","4","7","5","1") = "6"
    & skf21("2","6","2","1","4","7","6","1") = "6"
    & skf21("2","6","2","1","4","7","7","1") = "6"
    & skf21("2","6","2","1","5","1","1","1") = "5"
    & skf21("2","6","2","1","5","1","2","1") = "5"
    & skf21("2","6","2","1","5","1","3","1") = "5"
    & skf21("2","6","2","1","5","1","4","1") = "5"
    & skf21("2","6","2","1","5","1","5","1") = "5"
    & skf21("2","6","2","1","5","1","6","1") = "5"
    & skf21("2","6","2","1","5","1","7","1") = "6"
    & skf21("2","6","2","1","5","2","1","1") = "5"
    & skf21("2","6","2","1","5","2","2","1") = "5"
    & skf21("2","6","2","1","5","2","3","1") = "5"
    & skf21("2","6","2","1","5","2","4","1") = "5"
    & skf21("2","6","2","1","5","2","5","1") = "5"
    & skf21("2","6","2","1","5","2","6","1") = "5"
    & skf21("2","6","2","1","5","2","7","1") = "6"
    & skf21("2","6","2","1","5","3","1","1") = "5"
    & skf21("2","6","2","1","5","3","2","1") = "5"
    & skf21("2","6","2","1","5","3","3","1") = "5"
    & skf21("2","6","2","1","5","3","4","1") = "5"
    & skf21("2","6","2","1","5","3","5","1") = "5"
    & skf21("2","6","2","1","5","3","6","1") = "5"
    & skf21("2","6","2","1","5","3","7","1") = "6"
    & skf21("2","6","2","1","5","4","1","1") = "5"
    & skf21("2","6","2","1","5","4","2","1") = "5"
    & skf21("2","6","2","1","5","4","3","1") = "5"
    & skf21("2","6","2","1","5","4","4","1") = "5"
    & skf21("2","6","2","1","5","4","5","1") = "5"
    & skf21("2","6","2","1","5","4","6","1") = "5"
    & skf21("2","6","2","1","5","4","7","1") = "6"
    & skf21("2","6","2","1","5","5","1","1") = "5"
    & skf21("2","6","2","1","5","5","2","1") = "5"
    & skf21("2","6","2","1","5","5","3","1") = "5"
    & skf21("2","6","2","1","5","5","4","1") = "5"
    & skf21("2","6","2","1","5","5","5","1") = "5"
    & skf21("2","6","2","1","5","5","6","1") = "5"
    & skf21("2","6","2","1","5","5","7","1") = "6"
    & skf21("2","6","2","1","5","6","1","1") = "5"
    & skf21("2","6","2","1","5","6","2","1") = "5"
    & skf21("2","6","2","1","5","6","3","1") = "5"
    & skf21("2","6","2","1","5","6","4","1") = "5"
    & skf21("2","6","2","1","5","6","5","1") = "5"
    & skf21("2","6","2","1","5","6","6","1") = "5"
    & skf21("2","6","2","1","5","6","7","1") = "6"
    & skf21("2","6","2","1","5","7","1","1") = "6"
    & skf21("2","6","2","1","5","7","2","1") = "6"
    & skf21("2","6","2","1","5","7","3","1") = "6"
    & skf21("2","6","2","1","5","7","4","1") = "6"
    & skf21("2","6","2","1","5","7","5","1") = "6"
    & skf21("2","6","2","1","5","7","6","1") = "6"
    & skf21("2","6","2","1","5","7","7","1") = "6"
    & skf21("2","6","2","1","6","1","1","1") = "5"
    & skf21("2","6","2","1","6","1","2","1") = "5"
    & skf21("2","6","2","1","6","1","3","1") = "5"
    & skf21("2","6","2","1","6","1","4","1") = "5"
    & skf21("2","6","2","1","6","1","5","1") = "5"
    & skf21("2","6","2","1","6","1","6","1") = "5"
    & skf21("2","6","2","1","6","1","7","1") = "6"
    & skf21("2","6","2","1","6","2","1","1") = "5"
    & skf21("2","6","2","1","6","2","2","1") = "5"
    & skf21("2","6","2","1","6","2","3","1") = "5"
    & skf21("2","6","2","1","6","2","4","1") = "5"
    & skf21("2","6","2","1","6","2","5","1") = "5"
    & skf21("2","6","2","1","6","2","6","1") = "5"
    & skf21("2","6","2","1","6","2","7","1") = "6"
    & skf21("2","6","2","1","6","3","1","1") = "5"
    & skf21("2","6","2","1","6","3","2","1") = "5"
    & skf21("2","6","2","1","6","3","3","1") = "5"
    & skf21("2","6","2","1","6","3","4","1") = "5"
    & skf21("2","6","2","1","6","3","5","1") = "5"
    & skf21("2","6","2","1","6","3","6","1") = "5"
    & skf21("2","6","2","1","6","3","7","1") = "6"
    & skf21("2","6","2","1","6","4","1","1") = "5"
    & skf21("2","6","2","1","6","4","2","1") = "5"
    & skf21("2","6","2","1","6","4","3","1") = "5"
    & skf21("2","6","2","1","6","4","4","1") = "5"
    & skf21("2","6","2","1","6","4","5","1") = "5"
    & skf21("2","6","2","1","6","4","6","1") = "5"
    & skf21("2","6","2","1","6","4","7","1") = "6"
    & skf21("2","6","2","1","6","5","1","1") = "5"
    & skf21("2","6","2","1","6","5","2","1") = "5"
    & skf21("2","6","2","1","6","5","3","1") = "5"
    & skf21("2","6","2","1","6","5","4","1") = "5"
    & skf21("2","6","2","1","6","5","5","1") = "5"
    & skf21("2","6","2","1","6","5","6","1") = "5"
    & skf21("2","6","2","1","6","5","7","1") = "6"
    & skf21("2","6","2","1","6","6","1","1") = "5"
    & skf21("2","6","2","1","6","6","2","1") = "5"
    & skf21("2","6","2","1","6","6","3","1") = "5"
    & skf21("2","6","2","1","6","6","4","1") = "5"
    & skf21("2","6","2","1","6","6","5","1") = "5"
    & skf21("2","6","2","1","6","6","6","1") = "5"
    & skf21("2","6","2","1","6","6","7","1") = "6"
    & skf21("2","6","2","1","6","7","1","1") = "6"
    & skf21("2","6","2","1","6","7","2","1") = "6"
    & skf21("2","6","2","1","6","7","3","1") = "6"
    & skf21("2","6","2","1","6","7","4","1") = "6"
    & skf21("2","6","2","1","6","7","5","1") = "6"
    & skf21("2","6","2","1","6","7","6","1") = "6"
    & skf21("2","6","2","1","6","7","7","1") = "6"
    & skf21("2","6","2","1","7","1","1","1") = "6"
    & skf21("2","6","2","1","7","1","2","1") = "6"
    & skf21("2","6","2","1","7","1","3","1") = "6"
    & skf21("2","6","2","1","7","1","4","1") = "6"
    & skf21("2","6","2","1","7","1","5","1") = "6"
    & skf21("2","6","2","1","7","1","6","1") = "6"
    & skf21("2","6","2","1","7","1","7","1") = "6"
    & skf21("2","6","2","1","7","2","1","1") = "6"
    & skf21("2","6","2","1","7","2","2","1") = "6"
    & skf21("2","6","2","1","7","2","3","1") = "6"
    & skf21("2","6","2","1","7","2","4","1") = "6"
    & skf21("2","6","2","1","7","2","5","1") = "6"
    & skf21("2","6","2","1","7","2","6","1") = "6"
    & skf21("2","6","2","1","7","2","7","1") = "6"
    & skf21("2","6","2","1","7","3","1","1") = "6"
    & skf21("2","6","2","1","7","3","2","1") = "6"
    & skf21("2","6","2","1","7","3","3","1") = "6"
    & skf21("2","6","2","1","7","3","4","1") = "6"
    & skf21("2","6","2","1","7","3","5","1") = "6"
    & skf21("2","6","2","1","7","3","6","1") = "6"
    & skf21("2","6","2","1","7","3","7","1") = "6"
    & skf21("2","6","2","1","7","4","1","1") = "6"
    & skf21("2","6","2","1","7","4","2","1") = "6"
    & skf21("2","6","2","1","7","4","3","1") = "6"
    & skf21("2","6","2","1","7","4","4","1") = "6"
    & skf21("2","6","2","1","7","4","5","1") = "6"
    & skf21("2","6","2","1","7","4","6","1") = "6"
    & skf21("2","6","2","1","7","4","7","1") = "6"
    & skf21("2","6","2","1","7","5","1","1") = "6"
    & skf21("2","6","2","1","7","5","2","1") = "6"
    & skf21("2","6","2","1","7","5","3","1") = "6"
    & skf21("2","6","2","1","7","5","4","1") = "6"
    & skf21("2","6","2","1","7","5","5","1") = "6"
    & skf21("2","6","2","1","7","5","6","1") = "6"
    & skf21("2","6","2","1","7","5","7","1") = "6"
    & skf21("2","6","2","1","7","6","1","1") = "6"
    & skf21("2","6","2","1","7","6","2","1") = "6"
    & skf21("2","6","2","1","7","6","3","1") = "6"
    & skf21("2","6","2","1","7","6","4","1") = "6"
    & skf21("2","6","2","1","7","6","5","1") = "6"
    & skf21("2","6","2","1","7","6","6","1") = "6"
    & skf21("2","6","2","1","7","6","7","1") = "6"
    & skf21("2","6","2","1","7","7","1","1") = "6"
    & skf21("2","6","2","1","7","7","2","1") = "6"
    & skf21("2","6","2","1","7","7","3","1") = "6"
    & skf21("2","6","2","1","7","7","4","1") = "6"
    & skf21("2","6","2","1","7","7","5","1") = "6"
    & skf21("2","6","2","1","7","7","6","1") = "6"
    & skf21("2","6","2","1","7","7","7","1") = "6"
    & skf21("2","6","2","2","1","1","1","1") = "5"
    & skf21("2","6","2","2","1","1","2","1") = "5"
    & skf21("2","6","2","2","1","1","3","1") = "5"
    & skf21("2","6","2","2","1","1","4","1") = "5"
    & skf21("2","6","2","2","1","1","5","1") = "5"
    & skf21("2","6","2","2","1","1","6","1") = "5"
    & skf21("2","6","2","2","1","1","7","1") = "6"
    & skf21("2","6","2","2","1","2","1","1") = "5"
    & skf21("2","6","2","2","1","2","2","1") = "5"
    & skf21("2","6","2","2","1","2","3","1") = "5"
    & skf21("2","6","2","2","1","2","4","1") = "5"
    & skf21("2","6","2","2","1","2","5","1") = "5"
    & skf21("2","6","2","2","1","2","6","1") = "5"
    & skf21("2","6","2","2","1","2","7","1") = "6"
    & skf21("2","6","2","2","1","3","1","1") = "5"
    & skf21("2","6","2","2","1","3","2","1") = "5"
    & skf21("2","6","2","2","1","3","3","1") = "5"
    & skf21("2","6","2","2","1","3","4","1") = "5"
    & skf21("2","6","2","2","1","3","5","1") = "5"
    & skf21("2","6","2","2","1","3","6","1") = "5"
    & skf21("2","6","2","2","1","3","7","1") = "6"
    & skf21("2","6","2","2","1","4","1","1") = "5"
    & skf21("2","6","2","2","1","4","2","1") = "5"
    & skf21("2","6","2","2","1","4","3","1") = "5"
    & skf21("2","6","2","2","1","4","4","1") = "5"
    & skf21("2","6","2","2","1","4","5","1") = "5"
    & skf21("2","6","2","2","1","4","6","1") = "5"
    & skf21("2","6","2","2","1","4","7","1") = "6"
    & skf21("2","6","2","2","1","5","1","1") = "5"
    & skf21("2","6","2","2","1","5","2","1") = "5"
    & skf21("2","6","2","2","1","5","3","1") = "5"
    & skf21("2","6","2","2","1","5","4","1") = "5"
    & skf21("2","6","2","2","1","5","5","1") = "5"
    & skf21("2","6","2","2","1","5","6","1") = "5"
    & skf21("2","6","2","2","1","5","7","1") = "6"
    & skf21("2","6","2","2","1","6","1","1") = "5"
    & skf21("2","6","2","2","1","6","2","1") = "5"
    & skf21("2","6","2","2","1","6","3","1") = "5"
    & skf21("2","6","2","2","1","6","4","1") = "5"
    & skf21("2","6","2","2","1","6","5","1") = "5"
    & skf21("2","6","2","2","1","6","6","1") = "5"
    & skf21("2","6","2","2","1","6","7","1") = "6"
    & skf21("2","6","2","2","1","7","1","1") = "6"
    & skf21("2","6","2","2","1","7","2","1") = "6"
    & skf21("2","6","2","2","1","7","3","1") = "6"
    & skf21("2","6","2","2","1","7","4","1") = "6"
    & skf21("2","6","2","2","1","7","5","1") = "6"
    & skf21("2","6","2","2","1","7","6","1") = "6"
    & skf21("2","6","2","2","1","7","7","1") = "6"
    & skf21("2","6","2","2","2","1","1","1") = "5"
    & skf21("2","6","2","2","2","1","2","1") = "5"
    & skf21("2","6","2","2","2","1","3","1") = "5"
    & skf21("2","6","2","2","2","1","4","1") = "5"
    & skf21("2","6","2","2","2","1","5","1") = "5"
    & skf21("2","6","2","2","2","1","6","1") = "5"
    & skf21("2","6","2","2","2","1","7","1") = "6"
    & skf21("2","6","2","2","2","2","1","1") = "5"
    & skf21("2","6","2","2","2","2","2","1") = "5"
    & skf21("2","6","2","2","2","2","3","1") = "5"
    & skf21("2","6","2","2","2","2","4","1") = "5"
    & skf21("2","6","2","2","2","2","5","1") = "5"
    & skf21("2","6","2","2","2","2","6","1") = "5"
    & skf21("2","6","2","2","2","2","7","1") = "6"
    & skf21("2","6","2","2","2","3","1","1") = "5"
    & skf21("2","6","2","2","2","3","2","1") = "5"
    & skf21("2","6","2","2","2","3","3","1") = "5"
    & skf21("2","6","2","2","2","3","4","1") = "5"
    & skf21("2","6","2","2","2","3","5","1") = "5"
    & skf21("2","6","2","2","2","3","6","1") = "5"
    & skf21("2","6","2","2","2","3","7","1") = "6"
    & skf21("2","6","2","2","2","4","1","1") = "5"
    & skf21("2","6","2","2","2","4","2","1") = "5"
    & skf21("2","6","2","2","2","4","3","1") = "5"
    & skf21("2","6","2","2","2","4","4","1") = "5"
    & skf21("2","6","2","2","2","4","5","1") = "5"
    & skf21("2","6","2","2","2","4","6","1") = "5"
    & skf21("2","6","2","2","2","4","7","1") = "6"
    & skf21("2","6","2","2","2","5","1","1") = "5"
    & skf21("2","6","2","2","2","5","2","1") = "5"
    & skf21("2","6","2","2","2","5","3","1") = "5"
    & skf21("2","6","2","2","2","5","4","1") = "5"
    & skf21("2","6","2","2","2","5","5","1") = "5"
    & skf21("2","6","2","2","2","5","6","1") = "5"
    & skf21("2","6","2","2","2","5","7","1") = "6"
    & skf21("2","6","2","2","2","6","1","1") = "5"
    & skf21("2","6","2","2","2","6","2","1") = "5"
    & skf21("2","6","2","2","2","6","3","1") = "5"
    & skf21("2","6","2","2","2","6","4","1") = "5"
    & skf21("2","6","2","2","2","6","5","1") = "5"
    & skf21("2","6","2","2","2","6","6","1") = "5"
    & skf21("2","6","2","2","2","6","7","1") = "6"
    & skf21("2","6","2","2","2","7","1","1") = "6"
    & skf21("2","6","2","2","2","7","2","1") = "6"
    & skf21("2","6","2","2","2","7","3","1") = "6"
    & skf21("2","6","2","2","2","7","4","1") = "6"
    & skf21("2","6","2","2","2","7","5","1") = "6"
    & skf21("2","6","2","2","2","7","6","1") = "6"
    & skf21("2","6","2","2","2","7","7","1") = "6"
    & skf21("2","6","2","2","3","1","1","1") = "5"
    & skf21("2","6","2","2","3","1","2","1") = "5"
    & skf21("2","6","2","2","3","1","3","1") = "5"
    & skf21("2","6","2","2","3","1","4","1") = "5"
    & skf21("2","6","2","2","3","1","5","1") = "5"
    & skf21("2","6","2","2","3","1","6","1") = "5"
    & skf21("2","6","2","2","3","1","7","1") = "6"
    & skf21("2","6","2","2","3","2","1","1") = "5"
    & skf21("2","6","2","2","3","2","2","1") = "5"
    & skf21("2","6","2","2","3","2","3","1") = "5"
    & skf21("2","6","2","2","3","2","4","1") = "5"
    & skf21("2","6","2","2","3","2","5","1") = "5"
    & skf21("2","6","2","2","3","2","6","1") = "5"
    & skf21("2","6","2","2","3","2","7","1") = "6"
    & skf21("2","6","2","2","3","3","1","1") = "5"
    & skf21("2","6","2","2","3","3","2","1") = "5"
    & skf21("2","6","2","2","3","3","3","1") = "5"
    & skf21("2","6","2","2","3","3","4","1") = "5"
    & skf21("2","6","2","2","3","3","5","1") = "5"
    & skf21("2","6","2","2","3","3","6","1") = "5"
    & skf21("2","6","2","2","3","3","7","1") = "6"
    & skf21("2","6","2","2","3","4","1","1") = "5"
    & skf21("2","6","2","2","3","4","2","1") = "5"
    & skf21("2","6","2","2","3","4","3","1") = "5"
    & skf21("2","6","2","2","3","4","4","1") = "5"
    & skf21("2","6","2","2","3","4","5","1") = "5"
    & skf21("2","6","2","2","3","4","6","1") = "5"
    & skf21("2","6","2","2","3","4","7","1") = "6"
    & skf21("2","6","2","2","3","5","1","1") = "5"
    & skf21("2","6","2","2","3","5","2","1") = "5"
    & skf21("2","6","2","2","3","5","3","1") = "5"
    & skf21("2","6","2","2","3","5","4","1") = "5"
    & skf21("2","6","2","2","3","5","5","1") = "5"
    & skf21("2","6","2","2","3","5","6","1") = "5"
    & skf21("2","6","2","2","3","5","7","1") = "6"
    & skf21("2","6","2","2","3","6","1","1") = "5"
    & skf21("2","6","2","2","3","6","2","1") = "5"
    & skf21("2","6","2","2","3","6","3","1") = "5"
    & skf21("2","6","2","2","3","6","4","1") = "5"
    & skf21("2","6","2","2","3","6","5","1") = "5"
    & skf21("2","6","2","2","3","6","6","1") = "5"
    & skf21("2","6","2","2","3","6","7","1") = "6"
    & skf21("2","6","2","2","3","7","1","1") = "6"
    & skf21("2","6","2","2","3","7","2","1") = "6"
    & skf21("2","6","2","2","3","7","3","1") = "6"
    & skf21("2","6","2","2","3","7","4","1") = "6"
    & skf21("2","6","2","2","3","7","5","1") = "6"
    & skf21("2","6","2","2","3","7","6","1") = "6"
    & skf21("2","6","2","2","3","7","7","1") = "6"
    & skf21("2","6","2","2","4","1","1","1") = "5"
    & skf21("2","6","2","2","4","1","2","1") = "5"
    & skf21("2","6","2","2","4","1","3","1") = "5"
    & skf21("2","6","2","2","4","1","4","1") = "5"
    & skf21("2","6","2","2","4","1","5","1") = "5"
    & skf21("2","6","2","2","4","1","6","1") = "5"
    & skf21("2","6","2","2","4","1","7","1") = "6"
    & skf21("2","6","2","2","4","2","1","1") = "5"
    & skf21("2","6","2","2","4","2","2","1") = "5"
    & skf21("2","6","2","2","4","2","3","1") = "5"
    & skf21("2","6","2","2","4","2","4","1") = "5"
    & skf21("2","6","2","2","4","2","5","1") = "5"
    & skf21("2","6","2","2","4","2","6","1") = "5"
    & skf21("2","6","2","2","4","2","7","1") = "6"
    & skf21("2","6","2","2","4","3","1","1") = "5"
    & skf21("2","6","2","2","4","3","2","1") = "5"
    & skf21("2","6","2","2","4","3","3","1") = "5"
    & skf21("2","6","2","2","4","3","4","1") = "5"
    & skf21("2","6","2","2","4","3","5","1") = "5"
    & skf21("2","6","2","2","4","3","6","1") = "5"
    & skf21("2","6","2","2","4","3","7","1") = "6"
    & skf21("2","6","2","2","4","4","1","1") = "5"
    & skf21("2","6","2","2","4","4","2","1") = "5"
    & skf21("2","6","2","2","4","4","3","1") = "5"
    & skf21("2","6","2","2","4","4","4","1") = "5"
    & skf21("2","6","2","2","4","4","5","1") = "5"
    & skf21("2","6","2","2","4","4","6","1") = "5"
    & skf21("2","6","2","2","4","4","7","1") = "6"
    & skf21("2","6","2","2","4","5","1","1") = "5"
    & skf21("2","6","2","2","4","5","2","1") = "5"
    & skf21("2","6","2","2","4","5","3","1") = "5"
    & skf21("2","6","2","2","4","5","4","1") = "5"
    & skf21("2","6","2","2","4","5","5","1") = "5"
    & skf21("2","6","2","2","4","5","6","1") = "5"
    & skf21("2","6","2","2","4","5","7","1") = "6"
    & skf21("2","6","2","2","4","6","1","1") = "5"
    & skf21("2","6","2","2","4","6","2","1") = "5"
    & skf21("2","6","2","2","4","6","3","1") = "5"
    & skf21("2","6","2","2","4","6","4","1") = "5"
    & skf21("2","6","2","2","4","6","5","1") = "5"
    & skf21("2","6","2","2","4","6","6","1") = "5"
    & skf21("2","6","2","2","4","6","7","1") = "6"
    & skf21("2","6","2","2","4","7","1","1") = "6"
    & skf21("2","6","2","2","4","7","2","1") = "6"
    & skf21("2","6","2","2","4","7","3","1") = "6"
    & skf21("2","6","2","2","4","7","4","1") = "6"
    & skf21("2","6","2","2","4","7","5","1") = "6"
    & skf21("2","6","2","2","4","7","6","1") = "6"
    & skf21("2","6","2","2","4","7","7","1") = "6"
    & skf21("2","6","2","2","5","1","1","1") = "5"
    & skf21("2","6","2","2","5","1","2","1") = "5"
    & skf21("2","6","2","2","5","1","3","1") = "5"
    & skf21("2","6","2","2","5","1","4","1") = "5"
    & skf21("2","6","2","2","5","1","5","1") = "5"
    & skf21("2","6","2","2","5","1","6","1") = "5"
    & skf21("2","6","2","2","5","1","7","1") = "6"
    & skf21("2","6","2","2","5","2","1","1") = "5"
    & skf21("2","6","2","2","5","2","2","1") = "5"
    & skf21("2","6","2","2","5","2","3","1") = "5"
    & skf21("2","6","2","2","5","2","4","1") = "5"
    & skf21("2","6","2","2","5","2","5","1") = "5"
    & skf21("2","6","2","2","5","2","6","1") = "5"
    & skf21("2","6","2","2","5","2","7","1") = "6"
    & skf21("2","6","2","2","5","3","1","1") = "5"
    & skf21("2","6","2","2","5","3","2","1") = "5"
    & skf21("2","6","2","2","5","3","3","1") = "5"
    & skf21("2","6","2","2","5","3","4","1") = "5"
    & skf21("2","6","2","2","5","3","5","1") = "5"
    & skf21("2","6","2","2","5","3","6","1") = "5"
    & skf21("2","6","2","2","5","3","7","1") = "6"
    & skf21("2","6","2","2","5","4","1","1") = "5"
    & skf21("2","6","2","2","5","4","2","1") = "5"
    & skf21("2","6","2","2","5","4","3","1") = "5"
    & skf21("2","6","2","2","5","4","4","1") = "5"
    & skf21("2","6","2","2","5","4","5","1") = "5"
    & skf21("2","6","2","2","5","4","6","1") = "5"
    & skf21("2","6","2","2","5","4","7","1") = "6"
    & skf21("2","6","2","2","5","5","1","1") = "5"
    & skf21("2","6","2","2","5","5","2","1") = "5"
    & skf21("2","6","2","2","5","5","3","1") = "5"
    & skf21("2","6","2","2","5","5","4","1") = "5"
    & skf21("2","6","2","2","5","5","5","1") = "5"
    & skf21("2","6","2","2","5","5","6","1") = "5"
    & skf21("2","6","2","2","5","5","7","1") = "6"
    & skf21("2","6","2","2","5","6","1","1") = "5"
    & skf21("2","6","2","2","5","6","2","1") = "5"
    & skf21("2","6","2","2","5","6","3","1") = "5"
    & skf21("2","6","2","2","5","6","4","1") = "5"
    & skf21("2","6","2","2","5","6","5","1") = "5"
    & skf21("2","6","2","2","5","6","6","1") = "5"
    & skf21("2","6","2","2","5","6","7","1") = "6"
    & skf21("2","6","2","2","5","7","1","1") = "6"
    & skf21("2","6","2","2","5","7","2","1") = "6"
    & skf21("2","6","2","2","5","7","3","1") = "6"
    & skf21("2","6","2","2","5","7","4","1") = "6"
    & skf21("2","6","2","2","5","7","5","1") = "6"
    & skf21("2","6","2","2","5","7","6","1") = "6"
    & skf21("2","6","2","2","5","7","7","1") = "6"
    & skf21("2","6","2","2","6","1","1","1") = "5"
    & skf21("2","6","2","2","6","1","2","1") = "5"
    & skf21("2","6","2","2","6","1","3","1") = "5"
    & skf21("2","6","2","2","6","1","4","1") = "5"
    & skf21("2","6","2","2","6","1","5","1") = "5"
    & skf21("2","6","2","2","6","1","6","1") = "5"
    & skf21("2","6","2","2","6","1","7","1") = "6"
    & skf21("2","6","2","2","6","2","1","1") = "5"
    & skf21("2","6","2","2","6","2","2","1") = "5"
    & skf21("2","6","2","2","6","2","3","1") = "5"
    & skf21("2","6","2","2","6","2","4","1") = "5"
    & skf21("2","6","2","2","6","2","5","1") = "5"
    & skf21("2","6","2","2","6","2","6","1") = "5"
    & skf21("2","6","2","2","6","2","7","1") = "6"
    & skf21("2","6","2","2","6","3","1","1") = "5"
    & skf21("2","6","2","2","6","3","2","1") = "5"
    & skf21("2","6","2","2","6","3","3","1") = "5"
    & skf21("2","6","2","2","6","3","4","1") = "5"
    & skf21("2","6","2","2","6","3","5","1") = "5"
    & skf21("2","6","2","2","6","3","6","1") = "5"
    & skf21("2","6","2","2","6","3","7","1") = "6"
    & skf21("2","6","2","2","6","4","1","1") = "5"
    & skf21("2","6","2","2","6","4","2","1") = "5"
    & skf21("2","6","2","2","6","4","3","1") = "5"
    & skf21("2","6","2","2","6","4","4","1") = "5"
    & skf21("2","6","2","2","6","4","5","1") = "5"
    & skf21("2","6","2","2","6","4","6","1") = "5"
    & skf21("2","6","2","2","6","4","7","1") = "6"
    & skf21("2","6","2","2","6","5","1","1") = "5"
    & skf21("2","6","2","2","6","5","2","1") = "5"
    & skf21("2","6","2","2","6","5","3","1") = "5"
    & skf21("2","6","2","2","6","5","4","1") = "5"
    & skf21("2","6","2","2","6","5","5","1") = "5"
    & skf21("2","6","2","2","6","5","6","1") = "5"
    & skf21("2","6","2","2","6","5","7","1") = "6"
    & skf21("2","6","2","2","6","6","1","1") = "5"
    & skf21("2","6","2","2","6","6","2","1") = "5"
    & skf21("2","6","2","2","6","6","3","1") = "5"
    & skf21("2","6","2","2","6","6","4","1") = "5"
    & skf21("2","6","2","2","6","6","5","1") = "5"
    & skf21("2","6","2","2","6","6","6","1") = "5"
    & skf21("2","6","2","2","6","6","7","1") = "6"
    & skf21("2","6","2","2","6","7","1","1") = "6"
    & skf21("2","6","2","2","6","7","2","1") = "6"
    & skf21("2","6","2","2","6","7","3","1") = "6"
    & skf21("2","6","2","2","6","7","4","1") = "6"
    & skf21("2","6","2","2","6","7","5","1") = "6"
    & skf21("2","6","2","2","6","7","6","1") = "6"
    & skf21("2","6","2","2","6","7","7","1") = "6"
    & skf21("2","6","2","2","7","1","1","1") = "6"
    & skf21("2","6","2","2","7","1","2","1") = "6"
    & skf21("2","6","2","2","7","1","3","1") = "6"
    & skf21("2","6","2","2","7","1","4","1") = "6"
    & skf21("2","6","2","2","7","1","5","1") = "6"
    & skf21("2","6","2","2","7","1","6","1") = "6"
    & skf21("2","6","2","2","7","1","7","1") = "6"
    & skf21("2","6","2","2","7","2","1","1") = "6"
    & skf21("2","6","2","2","7","2","2","1") = "6"
    & skf21("2","6","2","2","7","2","3","1") = "6"
    & skf21("2","6","2","2","7","2","4","1") = "6"
    & skf21("2","6","2","2","7","2","5","1") = "6"
    & skf21("2","6","2","2","7","2","6","1") = "6"
    & skf21("2","6","2","2","7","2","7","1") = "6"
    & skf21("2","6","2","2","7","3","1","1") = "6"
    & skf21("2","6","2","2","7","3","2","1") = "6"
    & skf21("2","6","2","2","7","3","3","1") = "6"
    & skf21("2","6","2","2","7","3","4","1") = "6"
    & skf21("2","6","2","2","7","3","5","1") = "6"
    & skf21("2","6","2","2","7","3","6","1") = "6"
    & skf21("2","6","2","2","7","3","7","1") = "6"
    & skf21("2","6","2","2","7","4","1","1") = "6"
    & skf21("2","6","2","2","7","4","2","1") = "6"
    & skf21("2","6","2","2","7","4","3","1") = "6"
    & skf21("2","6","2","2","7","4","4","1") = "6"
    & skf21("2","6","2","2","7","4","5","1") = "6"
    & skf21("2","6","2","2","7","4","6","1") = "6"
    & skf21("2","6","2","2","7","4","7","1") = "6"
    & skf21("2","6","2","2","7","5","1","1") = "6"
    & skf21("2","6","2","2","7","5","2","1") = "6"
    & skf21("2","6","2","2","7","5","3","1") = "6"
    & skf21("2","6","2","2","7","5","4","1") = "6"
    & skf21("2","6","2","2","7","5","5","1") = "6"
    & skf21("2","6","2","2","7","5","6","1") = "6"
    & skf21("2","6","2","2","7","5","7","1") = "6"
    & skf21("2","6","2","2","7","6","1","1") = "6"
    & skf21("2","6","2","2","7","6","2","1") = "6"
    & skf21("2","6","2","2","7","6","3","1") = "6"
    & skf21("2","6","2","2","7","6","4","1") = "6"
    & skf21("2","6","2","2","7","6","5","1") = "6"
    & skf21("2","6","2","2","7","6","6","1") = "6"
    & skf21("2","6","2","2","7","6","7","1") = "6"
    & skf21("2","6","2","2","7","7","1","1") = "6"
    & skf21("2","6","2","2","7","7","2","1") = "6"
    & skf21("2","6","2","2","7","7","3","1") = "6"
    & skf21("2","6","2","2","7","7","4","1") = "6"
    & skf21("2","6","2","2","7","7","5","1") = "6"
    & skf21("2","6","2","2","7","7","6","1") = "6"
    & skf21("2","6","2","2","7","7","7","1") = "6"
    & skf21("2","6","2","3","1","1","1","1") = "5"
    & skf21("2","6","2","3","1","1","2","1") = "5"
    & skf21("2","6","2","3","1","1","3","1") = "5"
    & skf21("2","6","2","3","1","1","4","1") = "5"
    & skf21("2","6","2","3","1","1","5","1") = "5"
    & skf21("2","6","2","3","1","1","6","1") = "5"
    & skf21("2","6","2","3","1","1","7","1") = "6"
    & skf21("2","6","2","3","1","2","1","1") = "5"
    & skf21("2","6","2","3","1","2","2","1") = "5"
    & skf21("2","6","2","3","1","2","3","1") = "5"
    & skf21("2","6","2","3","1","2","4","1") = "5"
    & skf21("2","6","2","3","1","2","5","1") = "5"
    & skf21("2","6","2","3","1","2","6","1") = "5"
    & skf21("2","6","2","3","1","2","7","1") = "6"
    & skf21("2","6","2","3","1","3","1","1") = "5"
    & skf21("2","6","2","3","1","3","2","1") = "5"
    & skf21("2","6","2","3","1","3","3","1") = "5"
    & skf21("2","6","2","3","1","3","4","1") = "5"
    & skf21("2","6","2","3","1","3","5","1") = "5"
    & skf21("2","6","2","3","1","3","6","1") = "5"
    & skf21("2","6","2","3","1","3","7","1") = "6"
    & skf21("2","6","2","3","1","4","1","1") = "5"
    & skf21("2","6","2","3","1","4","2","1") = "5"
    & skf21("2","6","2","3","1","4","3","1") = "5"
    & skf21("2","6","2","3","1","4","4","1") = "5"
    & skf21("2","6","2","3","1","4","5","1") = "5"
    & skf21("2","6","2","3","1","4","6","1") = "5"
    & skf21("2","6","2","3","1","4","7","1") = "6"
    & skf21("2","6","2","3","1","5","1","1") = "5"
    & skf21("2","6","2","3","1","5","2","1") = "5"
    & skf21("2","6","2","3","1","5","3","1") = "5"
    & skf21("2","6","2","3","1","5","4","1") = "5"
    & skf21("2","6","2","3","1","5","5","1") = "5"
    & skf21("2","6","2","3","1","5","6","1") = "5"
    & skf21("2","6","2","3","1","5","7","1") = "6"
    & skf21("2","6","2","3","1","6","1","1") = "5"
    & skf21("2","6","2","3","1","6","2","1") = "5"
    & skf21("2","6","2","3","1","6","3","1") = "5"
    & skf21("2","6","2","3","1","6","4","1") = "5"
    & skf21("2","6","2","3","1","6","5","1") = "5"
    & skf21("2","6","2","3","1","6","6","1") = "5"
    & skf21("2","6","2","3","1","6","7","1") = "6"
    & skf21("2","6","2","3","1","7","1","1") = "6"
    & skf21("2","6","2","3","1","7","2","1") = "6"
    & skf21("2","6","2","3","1","7","3","1") = "6"
    & skf21("2","6","2","3","1","7","4","1") = "6"
    & skf21("2","6","2","3","1","7","5","1") = "6"
    & skf21("2","6","2","3","1","7","6","1") = "6"
    & skf21("2","6","2","3","1","7","7","1") = "6"
    & skf21("2","6","2","3","2","1","1","1") = "5"
    & skf21("2","6","2","3","2","1","2","1") = "5"
    & skf21("2","6","2","3","2","1","3","1") = "5"
    & skf21("2","6","2","3","2","1","4","1") = "5"
    & skf21("2","6","2","3","2","1","5","1") = "5"
    & skf21("2","6","2","3","2","1","6","1") = "5"
    & skf21("2","6","2","3","2","1","7","1") = "6"
    & skf21("2","6","2","3","2","2","1","1") = "5"
    & skf21("2","6","2","3","2","2","2","1") = "5"
    & skf21("2","6","2","3","2","2","3","1") = "5"
    & skf21("2","6","2","3","2","2","4","1") = "5"
    & skf21("2","6","2","3","2","2","5","1") = "5"
    & skf21("2","6","2","3","2","2","6","1") = "5"
    & skf21("2","6","2","3","2","2","7","1") = "6"
    & skf21("2","6","2","3","2","3","1","1") = "5"
    & skf21("2","6","2","3","2","3","2","1") = "5"
    & skf21("2","6","2","3","2","3","3","1") = "5"
    & skf21("2","6","2","3","2","3","4","1") = "5"
    & skf21("2","6","2","3","2","3","5","1") = "5"
    & skf21("2","6","2","3","2","3","6","1") = "5"
    & skf21("2","6","2","3","2","3","7","1") = "6"
    & skf21("2","6","2","3","2","4","1","1") = "5"
    & skf21("2","6","2","3","2","4","2","1") = "5"
    & skf21("2","6","2","3","2","4","3","1") = "5"
    & skf21("2","6","2","3","2","4","4","1") = "5"
    & skf21("2","6","2","3","2","4","5","1") = "5"
    & skf21("2","6","2","3","2","4","6","1") = "5"
    & skf21("2","6","2","3","2","4","7","1") = "6"
    & skf21("2","6","2","3","2","5","1","1") = "5"
    & skf21("2","6","2","3","2","5","2","1") = "5"
    & skf21("2","6","2","3","2","5","3","1") = "5"
    & skf21("2","6","2","3","2","5","4","1") = "5"
    & skf21("2","6","2","3","2","5","5","1") = "5"
    & skf21("2","6","2","3","2","5","6","1") = "5"
    & skf21("2","6","2","3","2","5","7","1") = "6"
    & skf21("2","6","2","3","2","6","1","1") = "5"
    & skf21("2","6","2","3","2","6","2","1") = "5"
    & skf21("2","6","2","3","2","6","3","1") = "5"
    & skf21("2","6","2","3","2","6","4","1") = "5"
    & skf21("2","6","2","3","2","6","5","1") = "5"
    & skf21("2","6","2","3","2","6","6","1") = "5"
    & skf21("2","6","2","3","2","6","7","1") = "6"
    & skf21("2","6","2","3","2","7","1","1") = "6"
    & skf21("2","6","2","3","2","7","2","1") = "6"
    & skf21("2","6","2","3","2","7","3","1") = "6"
    & skf21("2","6","2","3","2","7","4","1") = "6"
    & skf21("2","6","2","3","2","7","5","1") = "6"
    & skf21("2","6","2","3","2","7","6","1") = "6"
    & skf21("2","6","2","3","2","7","7","1") = "6"
    & skf21("2","6","2","3","3","1","1","1") = "5"
    & skf21("2","6","2","3","3","1","2","1") = "5"
    & skf21("2","6","2","3","3","1","3","1") = "5"
    & skf21("2","6","2","3","3","1","4","1") = "5"
    & skf21("2","6","2","3","3","1","5","1") = "5"
    & skf21("2","6","2","3","3","1","6","1") = "5"
    & skf21("2","6","2","3","3","1","7","1") = "6"
    & skf21("2","6","2","3","3","2","1","1") = "5"
    & skf21("2","6","2","3","3","2","2","1") = "5"
    & skf21("2","6","2","3","3","2","3","1") = "5"
    & skf21("2","6","2","3","3","2","4","1") = "5"
    & skf21("2","6","2","3","3","2","5","1") = "5"
    & skf21("2","6","2","3","3","2","6","1") = "5"
    & skf21("2","6","2","3","3","2","7","1") = "6"
    & skf21("2","6","2","3","3","3","1","1") = "5"
    & skf21("2","6","2","3","3","3","2","1") = "5"
    & skf21("2","6","2","3","3","3","3","1") = "5"
    & skf21("2","6","2","3","3","3","4","1") = "5"
    & skf21("2","6","2","3","3","3","5","1") = "5"
    & skf21("2","6","2","3","3","3","6","1") = "5"
    & skf21("2","6","2","3","3","3","7","1") = "6"
    & skf21("2","6","2","3","3","4","1","1") = "5"
    & skf21("2","6","2","3","3","4","2","1") = "5"
    & skf21("2","6","2","3","3","4","3","1") = "5"
    & skf21("2","6","2","3","3","4","4","1") = "5"
    & skf21("2","6","2","3","3","4","5","1") = "5"
    & skf21("2","6","2","3","3","4","6","1") = "5"
    & skf21("2","6","2","3","3","4","7","1") = "6"
    & skf21("2","6","2","3","3","5","1","1") = "5"
    & skf21("2","6","2","3","3","5","2","1") = "5"
    & skf21("2","6","2","3","3","5","3","1") = "5"
    & skf21("2","6","2","3","3","5","4","1") = "5"
    & skf21("2","6","2","3","3","5","5","1") = "5"
    & skf21("2","6","2","3","3","5","6","1") = "5"
    & skf21("2","6","2","3","3","5","7","1") = "6"
    & skf21("2","6","2","3","3","6","1","1") = "5"
    & skf21("2","6","2","3","3","6","2","1") = "5"
    & skf21("2","6","2","3","3","6","3","1") = "5"
    & skf21("2","6","2","3","3","6","4","1") = "5"
    & skf21("2","6","2","3","3","6","5","1") = "5"
    & skf21("2","6","2","3","3","6","6","1") = "5"
    & skf21("2","6","2","3","3","6","7","1") = "6"
    & skf21("2","6","2","3","3","7","1","1") = "6"
    & skf21("2","6","2","3","3","7","2","1") = "6"
    & skf21("2","6","2","3","3","7","3","1") = "6"
    & skf21("2","6","2","3","3","7","4","1") = "6"
    & skf21("2","6","2","3","3","7","5","1") = "6"
    & skf21("2","6","2","3","3","7","6","1") = "6"
    & skf21("2","6","2","3","3","7","7","1") = "6"
    & skf21("2","6","2","3","4","1","1","1") = "5"
    & skf21("2","6","2","3","4","1","2","1") = "5"
    & skf21("2","6","2","3","4","1","3","1") = "5"
    & skf21("2","6","2","3","4","1","4","1") = "5"
    & skf21("2","6","2","3","4","1","5","1") = "5"
    & skf21("2","6","2","3","4","1","6","1") = "5"
    & skf21("2","6","2","3","4","1","7","1") = "6"
    & skf21("2","6","2","3","4","2","1","1") = "5"
    & skf21("2","6","2","3","4","2","2","1") = "5"
    & skf21("2","6","2","3","4","2","3","1") = "5"
    & skf21("2","6","2","3","4","2","4","1") = "5"
    & skf21("2","6","2","3","4","2","5","1") = "5"
    & skf21("2","6","2","3","4","2","6","1") = "5"
    & skf21("2","6","2","3","4","2","7","1") = "6"
    & skf21("2","6","2","3","4","3","1","1") = "5"
    & skf21("2","6","2","3","4","3","2","1") = "5"
    & skf21("2","6","2","3","4","3","3","1") = "5"
    & skf21("2","6","2","3","4","3","4","1") = "5"
    & skf21("2","6","2","3","4","3","5","1") = "5"
    & skf21("2","6","2","3","4","3","6","1") = "5"
    & skf21("2","6","2","3","4","3","7","1") = "6"
    & skf21("2","6","2","3","4","4","1","1") = "5"
    & skf21("2","6","2","3","4","4","2","1") = "5"
    & skf21("2","6","2","3","4","4","3","1") = "5"
    & skf21("2","6","2","3","4","4","4","1") = "5"
    & skf21("2","6","2","3","4","4","5","1") = "5"
    & skf21("2","6","2","3","4","4","6","1") = "5"
    & skf21("2","6","2","3","4","4","7","1") = "6"
    & skf21("2","6","2","3","4","5","1","1") = "5"
    & skf21("2","6","2","3","4","5","2","1") = "5"
    & skf21("2","6","2","3","4","5","3","1") = "5"
    & skf21("2","6","2","3","4","5","4","1") = "5"
    & skf21("2","6","2","3","4","5","5","1") = "5"
    & skf21("2","6","2","3","4","5","6","1") = "5"
    & skf21("2","6","2","3","4","5","7","1") = "6"
    & skf21("2","6","2","3","4","6","1","1") = "5"
    & skf21("2","6","2","3","4","6","2","1") = "5"
    & skf21("2","6","2","3","4","6","3","1") = "5"
    & skf21("2","6","2","3","4","6","4","1") = "5"
    & skf21("2","6","2","3","4","6","5","1") = "5"
    & skf21("2","6","2","3","4","6","6","1") = "5"
    & skf21("2","6","2","3","4","6","7","1") = "6"
    & skf21("2","6","2","3","4","7","1","1") = "6"
    & skf21("2","6","2","3","4","7","2","1") = "6"
    & skf21("2","6","2","3","4","7","3","1") = "6"
    & skf21("2","6","2","3","4","7","4","1") = "6"
    & skf21("2","6","2","3","4","7","5","1") = "6"
    & skf21("2","6","2","3","4","7","6","1") = "6"
    & skf21("2","6","2","3","4","7","7","1") = "6"
    & skf21("2","6","2","3","5","1","1","1") = "5"
    & skf21("2","6","2","3","5","1","2","1") = "5"
    & skf21("2","6","2","3","5","1","3","1") = "5"
    & skf21("2","6","2","3","5","1","4","1") = "5"
    & skf21("2","6","2","3","5","1","5","1") = "5"
    & skf21("2","6","2","3","5","1","6","1") = "5"
    & skf21("2","6","2","3","5","1","7","1") = "6"
    & skf21("2","6","2","3","5","2","1","1") = "5"
    & skf21("2","6","2","3","5","2","2","1") = "5"
    & skf21("2","6","2","3","5","2","3","1") = "5"
    & skf21("2","6","2","3","5","2","4","1") = "5"
    & skf21("2","6","2","3","5","2","5","1") = "5"
    & skf21("2","6","2","3","5","2","6","1") = "5"
    & skf21("2","6","2","3","5","2","7","1") = "6"
    & skf21("2","6","2","3","5","3","1","1") = "5"
    & skf21("2","6","2","3","5","3","2","1") = "5"
    & skf21("2","6","2","3","5","3","3","1") = "5"
    & skf21("2","6","2","3","5","3","4","1") = "5"
    & skf21("2","6","2","3","5","3","5","1") = "5"
    & skf21("2","6","2","3","5","3","6","1") = "5"
    & skf21("2","6","2","3","5","3","7","1") = "6"
    & skf21("2","6","2","3","5","4","1","1") = "5"
    & skf21("2","6","2","3","5","4","2","1") = "5"
    & skf21("2","6","2","3","5","4","3","1") = "5"
    & skf21("2","6","2","3","5","4","4","1") = "5"
    & skf21("2","6","2","3","5","4","5","1") = "5"
    & skf21("2","6","2","3","5","4","6","1") = "5"
    & skf21("2","6","2","3","5","4","7","1") = "6"
    & skf21("2","6","2","3","5","5","1","1") = "5"
    & skf21("2","6","2","3","5","5","2","1") = "5"
    & skf21("2","6","2","3","5","5","3","1") = "5"
    & skf21("2","6","2","3","5","5","4","1") = "5"
    & skf21("2","6","2","3","5","5","5","1") = "5"
    & skf21("2","6","2","3","5","5","6","1") = "5"
    & skf21("2","6","2","3","5","5","7","1") = "6"
    & skf21("2","6","2","3","5","6","1","1") = "5"
    & skf21("2","6","2","3","5","6","2","1") = "5"
    & skf21("2","6","2","3","5","6","3","1") = "5"
    & skf21("2","6","2","3","5","6","4","1") = "5"
    & skf21("2","6","2","3","5","6","5","1") = "5"
    & skf21("2","6","2","3","5","6","6","1") = "5"
    & skf21("2","6","2","3","5","6","7","1") = "6"
    & skf21("2","6","2","3","5","7","1","1") = "6"
    & skf21("2","6","2","3","5","7","2","1") = "6"
    & skf21("2","6","2","3","5","7","3","1") = "6"
    & skf21("2","6","2","3","5","7","4","1") = "6"
    & skf21("2","6","2","3","5","7","5","1") = "6"
    & skf21("2","6","2","3","5","7","6","1") = "6"
    & skf21("2","6","2","3","5","7","7","1") = "6"
    & skf21("2","6","2","3","6","1","1","1") = "5"
    & skf21("2","6","2","3","6","1","2","1") = "5"
    & skf21("2","6","2","3","6","1","3","1") = "5"
    & skf21("2","6","2","3","6","1","4","1") = "5"
    & skf21("2","6","2","3","6","1","5","1") = "5"
    & skf21("2","6","2","3","6","1","6","1") = "5"
    & skf21("2","6","2","3","6","1","7","1") = "6"
    & skf21("2","6","2","3","6","2","1","1") = "5"
    & skf21("2","6","2","3","6","2","2","1") = "5"
    & skf21("2","6","2","3","6","2","3","1") = "5"
    & skf21("2","6","2","3","6","2","4","1") = "5"
    & skf21("2","6","2","3","6","2","5","1") = "5"
    & skf21("2","6","2","3","6","2","6","1") = "5"
    & skf21("2","6","2","3","6","2","7","1") = "6"
    & skf21("2","6","2","3","6","3","1","1") = "5"
    & skf21("2","6","2","3","6","3","2","1") = "5"
    & skf21("2","6","2","3","6","3","3","1") = "5"
    & skf21("2","6","2","3","6","3","4","1") = "5"
    & skf21("2","6","2","3","6","3","5","1") = "5"
    & skf21("2","6","2","3","6","3","6","1") = "5"
    & skf21("2","6","2","3","6","3","7","1") = "6"
    & skf21("2","6","2","3","6","4","1","1") = "5"
    & skf21("2","6","2","3","6","4","2","1") = "5"
    & skf21("2","6","2","3","6","4","3","1") = "5"
    & skf21("2","6","2","3","6","4","4","1") = "5"
    & skf21("2","6","2","3","6","4","5","1") = "5"
    & skf21("2","6","2","3","6","4","6","1") = "5"
    & skf21("2","6","2","3","6","4","7","1") = "6"
    & skf21("2","6","2","3","6","5","1","1") = "5"
    & skf21("2","6","2","3","6","5","2","1") = "5"
    & skf21("2","6","2","3","6","5","3","1") = "5"
    & skf21("2","6","2","3","6","5","4","1") = "5"
    & skf21("2","6","2","3","6","5","5","1") = "5"
    & skf21("2","6","2","3","6","5","6","1") = "5"
    & skf21("2","6","2","3","6","5","7","1") = "6"
    & skf21("2","6","2","3","6","6","1","1") = "5"
    & skf21("2","6","2","3","6","6","2","1") = "5"
    & skf21("2","6","2","3","6","6","3","1") = "5"
    & skf21("2","6","2","3","6","6","4","1") = "5"
    & skf21("2","6","2","3","6","6","5","1") = "5"
    & skf21("2","6","2","3","6","6","6","1") = "5"
    & skf21("2","6","2","3","6","6","7","1") = "6"
    & skf21("2","6","2","3","6","7","1","1") = "6"
    & skf21("2","6","2","3","6","7","2","1") = "6"
    & skf21("2","6","2","3","6","7","3","1") = "6"
    & skf21("2","6","2","3","6","7","4","1") = "6"
    & skf21("2","6","2","3","6","7","5","1") = "6"
    & skf21("2","6","2","3","6","7","6","1") = "6"
    & skf21("2","6","2","3","6","7","7","1") = "6"
    & skf21("2","6","2","3","7","1","1","1") = "6"
    & skf21("2","6","2","3","7","1","2","1") = "6"
    & skf21("2","6","2","3","7","1","3","1") = "6"
    & skf21("2","6","2","3","7","1","4","1") = "6"
    & skf21("2","6","2","3","7","1","5","1") = "6"
    & skf21("2","6","2","3","7","1","6","1") = "6"
    & skf21("2","6","2","3","7","1","7","1") = "6"
    & skf21("2","6","2","3","7","2","1","1") = "6"
    & skf21("2","6","2","3","7","2","2","1") = "6"
    & skf21("2","6","2","3","7","2","3","1") = "6"
    & skf21("2","6","2","3","7","2","4","1") = "6"
    & skf21("2","6","2","3","7","2","5","1") = "6"
    & skf21("2","6","2","3","7","2","6","1") = "6"
    & skf21("2","6","2","3","7","2","7","1") = "6"
    & skf21("2","6","2","3","7","3","1","1") = "6"
    & skf21("2","6","2","3","7","3","2","1") = "6"
    & skf21("2","6","2","3","7","3","3","1") = "6"
    & skf21("2","6","2","3","7","3","4","1") = "6"
    & skf21("2","6","2","3","7","3","5","1") = "6"
    & skf21("2","6","2","3","7","3","6","1") = "6"
    & skf21("2","6","2","3","7","3","7","1") = "6"
    & skf21("2","6","2","3","7","4","1","1") = "6"
    & skf21("2","6","2","3","7","4","2","1") = "6"
    & skf21("2","6","2","3","7","4","3","1") = "6"
    & skf21("2","6","2","3","7","4","4","1") = "6"
    & skf21("2","6","2","3","7","4","5","1") = "6"
    & skf21("2","6","2","3","7","4","6","1") = "6"
    & skf21("2","6","2","3","7","4","7","1") = "6"
    & skf21("2","6","2","3","7","5","1","1") = "6"
    & skf21("2","6","2","3","7","5","2","1") = "6"
    & skf21("2","6","2","3","7","5","3","1") = "6"
    & skf21("2","6","2","3","7","5","4","1") = "6"
    & skf21("2","6","2","3","7","5","5","1") = "6"
    & skf21("2","6","2","3","7","5","6","1") = "6"
    & skf21("2","6","2","3","7","5","7","1") = "6"
    & skf21("2","6","2","3","7","6","1","1") = "6"
    & skf21("2","6","2","3","7","6","2","1") = "6"
    & skf21("2","6","2","3","7","6","3","1") = "6"
    & skf21("2","6","2","3","7","6","4","1") = "6"
    & skf21("2","6","2","3","7","6","5","1") = "6"
    & skf21("2","6","2","3","7","6","6","1") = "6"
    & skf21("2","6","2","3","7","6","7","1") = "6"
    & skf21("2","6","2","3","7","7","1","1") = "6"
    & skf21("2","6","2","3","7","7","2","1") = "6"
    & skf21("2","6","2","3","7","7","3","1") = "6"
    & skf21("2","6","2","3","7","7","4","1") = "6"
    & skf21("2","6","2","3","7","7","5","1") = "6"
    & skf21("2","6","2","3","7","7","6","1") = "6"
    & skf21("2","6","2","3","7","7","7","1") = "6"
    & skf21("2","6","2","4","1","1","1","1") = "5"
    & skf21("2","6","2","4","1","1","2","1") = "5"
    & skf21("2","6","2","4","1","1","3","1") = "5"
    & skf21("2","6","2","4","1","1","4","1") = "5"
    & skf21("2","6","2","4","1","1","5","1") = "5"
    & skf21("2","6","2","4","1","1","6","1") = "5"
    & skf21("2","6","2","4","1","1","7","1") = "6"
    & skf21("2","6","2","4","1","2","1","1") = "5"
    & skf21("2","6","2","4","1","2","2","1") = "5"
    & skf21("2","6","2","4","1","2","3","1") = "5"
    & skf21("2","6","2","4","1","2","4","1") = "5"
    & skf21("2","6","2","4","1","2","5","1") = "5"
    & skf21("2","6","2","4","1","2","6","1") = "5"
    & skf21("2","6","2","4","1","2","7","1") = "6"
    & skf21("2","6","2","4","1","3","1","1") = "5"
    & skf21("2","6","2","4","1","3","2","1") = "5"
    & skf21("2","6","2","4","1","3","3","1") = "5"
    & skf21("2","6","2","4","1","3","4","1") = "5"
    & skf21("2","6","2","4","1","3","5","1") = "5"
    & skf21("2","6","2","4","1","3","6","1") = "5"
    & skf21("2","6","2","4","1","3","7","1") = "6"
    & skf21("2","6","2","4","1","4","1","1") = "5"
    & skf21("2","6","2","4","1","4","2","1") = "5"
    & skf21("2","6","2","4","1","4","3","1") = "5"
    & skf21("2","6","2","4","1","4","4","1") = "5"
    & skf21("2","6","2","4","1","4","5","1") = "5"
    & skf21("2","6","2","4","1","4","6","1") = "5"
    & skf21("2","6","2","4","1","4","7","1") = "6"
    & skf21("2","6","2","4","1","5","1","1") = "5"
    & skf21("2","6","2","4","1","5","2","1") = "5"
    & skf21("2","6","2","4","1","5","3","1") = "5"
    & skf21("2","6","2","4","1","5","4","1") = "5"
    & skf21("2","6","2","4","1","5","5","1") = "5"
    & skf21("2","6","2","4","1","5","6","1") = "5"
    & skf21("2","6","2","4","1","5","7","1") = "6"
    & skf21("2","6","2","4","1","6","1","1") = "5"
    & skf21("2","6","2","4","1","6","2","1") = "5"
    & skf21("2","6","2","4","1","6","3","1") = "5"
    & skf21("2","6","2","4","1","6","4","1") = "5"
    & skf21("2","6","2","4","1","6","5","1") = "5"
    & skf21("2","6","2","4","1","6","6","1") = "5"
    & skf21("2","6","2","4","1","6","7","1") = "6"
    & skf21("2","6","2","4","1","7","1","1") = "6"
    & skf21("2","6","2","4","1","7","2","1") = "6"
    & skf21("2","6","2","4","1","7","3","1") = "6"
    & skf21("2","6","2","4","1","7","4","1") = "6"
    & skf21("2","6","2","4","1","7","5","1") = "6"
    & skf21("2","6","2","4","1","7","6","1") = "6"
    & skf21("2","6","2","4","1","7","7","1") = "6"
    & skf21("2","6","2","4","2","1","1","1") = "5"
    & skf21("2","6","2","4","2","1","2","1") = "5"
    & skf21("2","6","2","4","2","1","3","1") = "5"
    & skf21("2","6","2","4","2","1","4","1") = "5"
    & skf21("2","6","2","4","2","1","5","1") = "5"
    & skf21("2","6","2","4","2","1","6","1") = "5"
    & skf21("2","6","2","4","2","1","7","1") = "6"
    & skf21("2","6","2","4","2","2","1","1") = "5"
    & skf21("2","6","2","4","2","2","2","1") = "5"
    & skf21("2","6","2","4","2","2","3","1") = "5"
    & skf21("2","6","2","4","2","2","4","1") = "5"
    & skf21("2","6","2","4","2","2","5","1") = "5"
    & skf21("2","6","2","4","2","2","6","1") = "5"
    & skf21("2","6","2","4","2","2","7","1") = "6"
    & skf21("2","6","2","4","2","3","1","1") = "5"
    & skf21("2","6","2","4","2","3","2","1") = "5"
    & skf21("2","6","2","4","2","3","3","1") = "5"
    & skf21("2","6","2","4","2","3","4","1") = "5"
    & skf21("2","6","2","4","2","3","5","1") = "5"
    & skf21("2","6","2","4","2","3","6","1") = "5"
    & skf21("2","6","2","4","2","3","7","1") = "6"
    & skf21("2","6","2","4","2","4","1","1") = "5"
    & skf21("2","6","2","4","2","4","2","1") = "5"
    & skf21("2","6","2","4","2","4","3","1") = "5"
    & skf21("2","6","2","4","2","4","4","1") = "5"
    & skf21("2","6","2","4","2","4","5","1") = "5"
    & skf21("2","6","2","4","2","4","6","1") = "5"
    & skf21("2","6","2","4","2","4","7","1") = "6"
    & skf21("2","6","2","4","2","5","1","1") = "5"
    & skf21("2","6","2","4","2","5","2","1") = "5"
    & skf21("2","6","2","4","2","5","3","1") = "5"
    & skf21("2","6","2","4","2","5","4","1") = "5"
    & skf21("2","6","2","4","2","5","5","1") = "5"
    & skf21("2","6","2","4","2","5","6","1") = "5"
    & skf21("2","6","2","4","2","5","7","1") = "6"
    & skf21("2","6","2","4","2","6","1","1") = "5"
    & skf21("2","6","2","4","2","6","2","1") = "5"
    & skf21("2","6","2","4","2","6","3","1") = "5"
    & skf21("2","6","2","4","2","6","4","1") = "5"
    & skf21("2","6","2","4","2","6","5","1") = "5"
    & skf21("2","6","2","4","2","6","6","1") = "5"
    & skf21("2","6","2","4","2","6","7","1") = "6"
    & skf21("2","6","2","4","2","7","1","1") = "6"
    & skf21("2","6","2","4","2","7","2","1") = "6"
    & skf21("2","6","2","4","2","7","3","1") = "6"
    & skf21("2","6","2","4","2","7","4","1") = "6"
    & skf21("2","6","2","4","2","7","5","1") = "6"
    & skf21("2","6","2","4","2","7","6","1") = "6"
    & skf21("2","6","2","4","2","7","7","1") = "6"
    & skf21("2","6","2","4","3","1","1","1") = "5"
    & skf21("2","6","2","4","3","1","2","1") = "5"
    & skf21("2","6","2","4","3","1","3","1") = "5"
    & skf21("2","6","2","4","3","1","4","1") = "5"
    & skf21("2","6","2","4","3","1","5","1") = "5"
    & skf21("2","6","2","4","3","1","6","1") = "5"
    & skf21("2","6","2","4","3","1","7","1") = "6"
    & skf21("2","6","2","4","3","2","1","1") = "5"
    & skf21("2","6","2","4","3","2","2","1") = "5"
    & skf21("2","6","2","4","3","2","3","1") = "5"
    & skf21("2","6","2","4","3","2","4","1") = "5"
    & skf21("2","6","2","4","3","2","5","1") = "5"
    & skf21("2","6","2","4","3","2","6","1") = "5"
    & skf21("2","6","2","4","3","2","7","1") = "6"
    & skf21("2","6","2","4","3","3","1","1") = "5"
    & skf21("2","6","2","4","3","3","2","1") = "5"
    & skf21("2","6","2","4","3","3","3","1") = "5"
    & skf21("2","6","2","4","3","3","4","1") = "5"
    & skf21("2","6","2","4","3","3","5","1") = "5"
    & skf21("2","6","2","4","3","3","6","1") = "5"
    & skf21("2","6","2","4","3","3","7","1") = "6"
    & skf21("2","6","2","4","3","4","1","1") = "5"
    & skf21("2","6","2","4","3","4","2","1") = "5"
    & skf21("2","6","2","4","3","4","3","1") = "5"
    & skf21("2","6","2","4","3","4","4","1") = "5"
    & skf21("2","6","2","4","3","4","5","1") = "5"
    & skf21("2","6","2","4","3","4","6","1") = "5"
    & skf21("2","6","2","4","3","4","7","1") = "6"
    & skf21("2","6","2","4","3","5","1","1") = "5"
    & skf21("2","6","2","4","3","5","2","1") = "5"
    & skf21("2","6","2","4","3","5","3","1") = "5"
    & skf21("2","6","2","4","3","5","4","1") = "5"
    & skf21("2","6","2","4","3","5","5","1") = "5"
    & skf21("2","6","2","4","3","5","6","1") = "5"
    & skf21("2","6","2","4","3","5","7","1") = "6"
    & skf21("2","6","2","4","3","6","1","1") = "5"
    & skf21("2","6","2","4","3","6","2","1") = "5"
    & skf21("2","6","2","4","3","6","3","1") = "5"
    & skf21("2","6","2","4","3","6","4","1") = "5"
    & skf21("2","6","2","4","3","6","5","1") = "5"
    & skf21("2","6","2","4","3","6","6","1") = "5"
    & skf21("2","6","2","4","3","6","7","1") = "6"
    & skf21("2","6","2","4","3","7","1","1") = "6"
    & skf21("2","6","2","4","3","7","2","1") = "6"
    & skf21("2","6","2","4","3","7","3","1") = "6"
    & skf21("2","6","2","4","3","7","4","1") = "6"
    & skf21("2","6","2","4","3","7","5","1") = "6"
    & skf21("2","6","2","4","3","7","6","1") = "6"
    & skf21("2","6","2","4","3","7","7","1") = "6"
    & skf21("2","6","2","4","4","1","1","1") = "5"
    & skf21("2","6","2","4","4","1","2","1") = "5"
    & skf21("2","6","2","4","4","1","3","1") = "5"
    & skf21("2","6","2","4","4","1","4","1") = "5"
    & skf21("2","6","2","4","4","1","5","1") = "5"
    & skf21("2","6","2","4","4","1","6","1") = "5"
    & skf21("2","6","2","4","4","1","7","1") = "6"
    & skf21("2","6","2","4","4","2","1","1") = "5"
    & skf21("2","6","2","4","4","2","2","1") = "5"
    & skf21("2","6","2","4","4","2","3","1") = "5"
    & skf21("2","6","2","4","4","2","4","1") = "5"
    & skf21("2","6","2","4","4","2","5","1") = "5"
    & skf21("2","6","2","4","4","2","6","1") = "5"
    & skf21("2","6","2","4","4","2","7","1") = "6"
    & skf21("2","6","2","4","4","3","1","1") = "5"
    & skf21("2","6","2","4","4","3","2","1") = "5"
    & skf21("2","6","2","4","4","3","3","1") = "5"
    & skf21("2","6","2","4","4","3","4","1") = "5"
    & skf21("2","6","2","4","4","3","5","1") = "5"
    & skf21("2","6","2","4","4","3","6","1") = "5"
    & skf21("2","6","2","4","4","3","7","1") = "6"
    & skf21("2","6","2","4","4","4","1","1") = "5"
    & skf21("2","6","2","4","4","4","2","1") = "5"
    & skf21("2","6","2","4","4","4","3","1") = "5"
    & skf21("2","6","2","4","4","4","4","1") = "5"
    & skf21("2","6","2","4","4","4","5","1") = "5"
    & skf21("2","6","2","4","4","4","6","1") = "5"
    & skf21("2","6","2","4","4","4","7","1") = "6"
    & skf21("2","6","2","4","4","5","1","1") = "5"
    & skf21("2","6","2","4","4","5","2","1") = "5"
    & skf21("2","6","2","4","4","5","3","1") = "5"
    & skf21("2","6","2","4","4","5","4","1") = "5"
    & skf21("2","6","2","4","4","5","5","1") = "5"
    & skf21("2","6","2","4","4","5","6","1") = "5"
    & skf21("2","6","2","4","4","5","7","1") = "6"
    & skf21("2","6","2","4","4","6","1","1") = "5"
    & skf21("2","6","2","4","4","6","2","1") = "5"
    & skf21("2","6","2","4","4","6","3","1") = "5"
    & skf21("2","6","2","4","4","6","4","1") = "5"
    & skf21("2","6","2","4","4","6","5","1") = "5"
    & skf21("2","6","2","4","4","6","6","1") = "5"
    & skf21("2","6","2","4","4","6","7","1") = "6"
    & skf21("2","6","2","4","4","7","1","1") = "6"
    & skf21("2","6","2","4","4","7","2","1") = "6"
    & skf21("2","6","2","4","4","7","3","1") = "6"
    & skf21("2","6","2","4","4","7","4","1") = "6"
    & skf21("2","6","2","4","4","7","5","1") = "6"
    & skf21("2","6","2","4","4","7","6","1") = "6"
    & skf21("2","6","2","4","4","7","7","1") = "6"
    & skf21("2","6","2","4","5","1","1","1") = "5"
    & skf21("2","6","2","4","5","1","2","1") = "5"
    & skf21("2","6","2","4","5","1","3","1") = "5"
    & skf21("2","6","2","4","5","1","4","1") = "5"
    & skf21("2","6","2","4","5","1","5","1") = "5"
    & skf21("2","6","2","4","5","1","6","1") = "5"
    & skf21("2","6","2","4","5","1","7","1") = "6"
    & skf21("2","6","2","4","5","2","1","1") = "5"
    & skf21("2","6","2","4","5","2","2","1") = "5"
    & skf21("2","6","2","4","5","2","3","1") = "5"
    & skf21("2","6","2","4","5","2","4","1") = "5"
    & skf21("2","6","2","4","5","2","5","1") = "5"
    & skf21("2","6","2","4","5","2","6","1") = "5"
    & skf21("2","6","2","4","5","2","7","1") = "6"
    & skf21("2","6","2","4","5","3","1","1") = "5"
    & skf21("2","6","2","4","5","3","2","1") = "5"
    & skf21("2","6","2","4","5","3","3","1") = "5"
    & skf21("2","6","2","4","5","3","4","1") = "5"
    & skf21("2","6","2","4","5","3","5","1") = "5"
    & skf21("2","6","2","4","5","3","6","1") = "5"
    & skf21("2","6","2","4","5","3","7","1") = "6"
    & skf21("2","6","2","4","5","4","1","1") = "5"
    & skf21("2","6","2","4","5","4","2","1") = "5"
    & skf21("2","6","2","4","5","4","3","1") = "5"
    & skf21("2","6","2","4","5","4","4","1") = "5"
    & skf21("2","6","2","4","5","4","5","1") = "5"
    & skf21("2","6","2","4","5","4","6","1") = "5"
    & skf21("2","6","2","4","5","4","7","1") = "6"
    & skf21("2","6","2","4","5","5","1","1") = "5"
    & skf21("2","6","2","4","5","5","2","1") = "5"
    & skf21("2","6","2","4","5","5","3","1") = "5"
    & skf21("2","6","2","4","5","5","4","1") = "5"
    & skf21("2","6","2","4","5","5","5","1") = "5"
    & skf21("2","6","2","4","5","5","6","1") = "5"
    & skf21("2","6","2","4","5","5","7","1") = "6"
    & skf21("2","6","2","4","5","6","1","1") = "5"
    & skf21("2","6","2","4","5","6","2","1") = "5"
    & skf21("2","6","2","4","5","6","3","1") = "5"
    & skf21("2","6","2","4","5","6","4","1") = "5"
    & skf21("2","6","2","4","5","6","5","1") = "5"
    & skf21("2","6","2","4","5","6","6","1") = "5"
    & skf21("2","6","2","4","5","6","7","1") = "6"
    & skf21("2","6","2","4","5","7","1","1") = "6"
    & skf21("2","6","2","4","5","7","2","1") = "6"
    & skf21("2","6","2","4","5","7","3","1") = "6"
    & skf21("2","6","2","4","5","7","4","1") = "6"
    & skf21("2","6","2","4","5","7","5","1") = "6"
    & skf21("2","6","2","4","5","7","6","1") = "6"
    & skf21("2","6","2","4","5","7","7","1") = "6"
    & skf21("2","6","2","4","6","1","1","1") = "5"
    & skf21("2","6","2","4","6","1","2","1") = "5"
    & skf21("2","6","2","4","6","1","3","1") = "5"
    & skf21("2","6","2","4","6","1","4","1") = "5"
    & skf21("2","6","2","4","6","1","5","1") = "5"
    & skf21("2","6","2","4","6","1","6","1") = "5"
    & skf21("2","6","2","4","6","1","7","1") = "6"
    & skf21("2","6","2","4","6","2","1","1") = "5"
    & skf21("2","6","2","4","6","2","2","1") = "5"
    & skf21("2","6","2","4","6","2","3","1") = "5"
    & skf21("2","6","2","4","6","2","4","1") = "5"
    & skf21("2","6","2","4","6","2","5","1") = "5"
    & skf21("2","6","2","4","6","2","6","1") = "5"
    & skf21("2","6","2","4","6","2","7","1") = "6"
    & skf21("2","6","2","4","6","3","1","1") = "5"
    & skf21("2","6","2","4","6","3","2","1") = "5"
    & skf21("2","6","2","4","6","3","3","1") = "5"
    & skf21("2","6","2","4","6","3","4","1") = "5"
    & skf21("2","6","2","4","6","3","5","1") = "5"
    & skf21("2","6","2","4","6","3","6","1") = "5"
    & skf21("2","6","2","4","6","3","7","1") = "6"
    & skf21("2","6","2","4","6","4","1","1") = "5"
    & skf21("2","6","2","4","6","4","2","1") = "5"
    & skf21("2","6","2","4","6","4","3","1") = "5"
    & skf21("2","6","2","4","6","4","4","1") = "5"
    & skf21("2","6","2","4","6","4","5","1") = "5"
    & skf21("2","6","2","4","6","4","6","1") = "5"
    & skf21("2","6","2","4","6","4","7","1") = "6"
    & skf21("2","6","2","4","6","5","1","1") = "5"
    & skf21("2","6","2","4","6","5","2","1") = "5"
    & skf21("2","6","2","4","6","5","3","1") = "5"
    & skf21("2","6","2","4","6","5","4","1") = "5"
    & skf21("2","6","2","4","6","5","5","1") = "5"
    & skf21("2","6","2","4","6","5","6","1") = "5"
    & skf21("2","6","2","4","6","5","7","1") = "6"
    & skf21("2","6","2","4","6","6","1","1") = "5"
    & skf21("2","6","2","4","6","6","2","1") = "5"
    & skf21("2","6","2","4","6","6","3","1") = "5"
    & skf21("2","6","2","4","6","6","4","1") = "5"
    & skf21("2","6","2","4","6","6","5","1") = "5"
    & skf21("2","6","2","4","6","6","6","1") = "5"
    & skf21("2","6","2","4","6","6","7","1") = "6"
    & skf21("2","6","2","4","6","7","1","1") = "6"
    & skf21("2","6","2","4","6","7","2","1") = "6"
    & skf21("2","6","2","4","6","7","3","1") = "6"
    & skf21("2","6","2","4","6","7","4","1") = "6"
    & skf21("2","6","2","4","6","7","5","1") = "6"
    & skf21("2","6","2","4","6","7","6","1") = "6"
    & skf21("2","6","2","4","6","7","7","1") = "6"
    & skf21("2","6","2","4","7","1","1","1") = "6"
    & skf21("2","6","2","4","7","1","2","1") = "6"
    & skf21("2","6","2","4","7","1","3","1") = "6"
    & skf21("2","6","2","4","7","1","4","1") = "6"
    & skf21("2","6","2","4","7","1","5","1") = "6"
    & skf21("2","6","2","4","7","1","6","1") = "6"
    & skf21("2","6","2","4","7","1","7","1") = "6"
    & skf21("2","6","2","4","7","2","1","1") = "6"
    & skf21("2","6","2","4","7","2","2","1") = "6"
    & skf21("2","6","2","4","7","2","3","1") = "6"
    & skf21("2","6","2","4","7","2","4","1") = "6"
    & skf21("2","6","2","4","7","2","5","1") = "6"
    & skf21("2","6","2","4","7","2","6","1") = "6"
    & skf21("2","6","2","4","7","2","7","1") = "6"
    & skf21("2","6","2","4","7","3","1","1") = "6"
    & skf21("2","6","2","4","7","3","2","1") = "6"
    & skf21("2","6","2","4","7","3","3","1") = "6"
    & skf21("2","6","2","4","7","3","4","1") = "6"
    & skf21("2","6","2","4","7","3","5","1") = "6"
    & skf21("2","6","2","4","7","3","6","1") = "6"
    & skf21("2","6","2","4","7","3","7","1") = "6"
    & skf21("2","6","2","4","7","4","1","1") = "6"
    & skf21("2","6","2","4","7","4","2","1") = "6"
    & skf21("2","6","2","4","7","4","3","1") = "6"
    & skf21("2","6","2","4","7","4","4","1") = "6"
    & skf21("2","6","2","4","7","4","5","1") = "6"
    & skf21("2","6","2","4","7","4","6","1") = "6"
    & skf21("2","6","2","4","7","4","7","1") = "6"
    & skf21("2","6","2","4","7","5","1","1") = "6"
    & skf21("2","6","2","4","7","5","2","1") = "6"
    & skf21("2","6","2","4","7","5","3","1") = "6"
    & skf21("2","6","2","4","7","5","4","1") = "6"
    & skf21("2","6","2","4","7","5","5","1") = "6"
    & skf21("2","6","2","4","7","5","6","1") = "6"
    & skf21("2","6","2","4","7","5","7","1") = "6"
    & skf21("2","6","2","4","7","6","1","1") = "6"
    & skf21("2","6","2","4","7","6","2","1") = "6"
    & skf21("2","6","2","4","7","6","3","1") = "6"
    & skf21("2","6","2","4","7","6","4","1") = "6"
    & skf21("2","6","2","4","7","6","5","1") = "6"
    & skf21("2","6","2","4","7","6","6","1") = "6"
    & skf21("2","6","2","4","7","6","7","1") = "6"
    & skf21("2","6","2","4","7","7","1","1") = "6"
    & skf21("2","6","2","4","7","7","2","1") = "6"
    & skf21("2","6","2","4","7","7","3","1") = "6"
    & skf21("2","6","2","4","7","7","4","1") = "6"
    & skf21("2","6","2","4","7","7","5","1") = "6"
    & skf21("2","6","2","4","7","7","6","1") = "6"
    & skf21("2","6","2","4","7","7","7","1") = "6"
    & skf21("2","6","2","5","1","1","1","1") = "5"
    & skf21("2","6","2","5","1","1","2","1") = "5"
    & skf21("2","6","2","5","1","1","3","1") = "5"
    & skf21("2","6","2","5","1","1","4","1") = "5"
    & skf21("2","6","2","5","1","1","5","1") = "5"
    & skf21("2","6","2","5","1","1","6","1") = "5"
    & skf21("2","6","2","5","1","1","7","1") = "6"
    & skf21("2","6","2","5","1","2","1","1") = "5"
    & skf21("2","6","2","5","1","2","2","1") = "5"
    & skf21("2","6","2","5","1","2","3","1") = "5"
    & skf21("2","6","2","5","1","2","4","1") = "5"
    & skf21("2","6","2","5","1","2","5","1") = "5"
    & skf21("2","6","2","5","1","2","6","1") = "5"
    & skf21("2","6","2","5","1","2","7","1") = "6"
    & skf21("2","6","2","5","1","3","1","1") = "5"
    & skf21("2","6","2","5","1","3","2","1") = "5"
    & skf21("2","6","2","5","1","3","3","1") = "5"
    & skf21("2","6","2","5","1","3","4","1") = "5"
    & skf21("2","6","2","5","1","3","5","1") = "5"
    & skf21("2","6","2","5","1","3","6","1") = "5"
    & skf21("2","6","2","5","1","3","7","1") = "6"
    & skf21("2","6","2","5","1","4","1","1") = "5"
    & skf21("2","6","2","5","1","4","2","1") = "5"
    & skf21("2","6","2","5","1","4","3","1") = "5"
    & skf21("2","6","2","5","1","4","4","1") = "5"
    & skf21("2","6","2","5","1","4","5","1") = "5"
    & skf21("2","6","2","5","1","4","6","1") = "5"
    & skf21("2","6","2","5","1","4","7","1") = "6"
    & skf21("2","6","2","5","1","5","1","1") = "5"
    & skf21("2","6","2","5","1","5","2","1") = "5"
    & skf21("2","6","2","5","1","5","3","1") = "5"
    & skf21("2","6","2","5","1","5","4","1") = "5"
    & skf21("2","6","2","5","1","5","5","1") = "5"
    & skf21("2","6","2","5","1","5","6","1") = "5"
    & skf21("2","6","2","5","1","5","7","1") = "6"
    & skf21("2","6","2","5","1","6","1","1") = "5"
    & skf21("2","6","2","5","1","6","2","1") = "5"
    & skf21("2","6","2","5","1","6","3","1") = "5"
    & skf21("2","6","2","5","1","6","4","1") = "5"
    & skf21("2","6","2","5","1","6","5","1") = "5"
    & skf21("2","6","2","5","1","6","6","1") = "5"
    & skf21("2","6","2","5","1","6","7","1") = "6"
    & skf21("2","6","2","5","1","7","1","1") = "6"
    & skf21("2","6","2","5","1","7","2","1") = "6"
    & skf21("2","6","2","5","1","7","3","1") = "6"
    & skf21("2","6","2","5","1","7","4","1") = "6"
    & skf21("2","6","2","5","1","7","5","1") = "6"
    & skf21("2","6","2","5","1","7","6","1") = "6"
    & skf21("2","6","2","5","1","7","7","1") = "6"
    & skf21("2","6","2","5","2","1","1","1") = "5"
    & skf21("2","6","2","5","2","1","2","1") = "5"
    & skf21("2","6","2","5","2","1","3","1") = "5"
    & skf21("2","6","2","5","2","1","4","1") = "5"
    & skf21("2","6","2","5","2","1","5","1") = "5"
    & skf21("2","6","2","5","2","1","6","1") = "5"
    & skf21("2","6","2","5","2","1","7","1") = "6"
    & skf21("2","6","2","5","2","2","1","1") = "5"
    & skf21("2","6","2","5","2","2","2","1") = "5"
    & skf21("2","6","2","5","2","2","3","1") = "5"
    & skf21("2","6","2","5","2","2","4","1") = "5"
    & skf21("2","6","2","5","2","2","5","1") = "5"
    & skf21("2","6","2","5","2","2","6","1") = "5"
    & skf21("2","6","2","5","2","2","7","1") = "6"
    & skf21("2","6","2","5","2","3","1","1") = "5"
    & skf21("2","6","2","5","2","3","2","1") = "5"
    & skf21("2","6","2","5","2","3","3","1") = "5"
    & skf21("2","6","2","5","2","3","4","1") = "5"
    & skf21("2","6","2","5","2","3","5","1") = "5"
    & skf21("2","6","2","5","2","3","6","1") = "5"
    & skf21("2","6","2","5","2","3","7","1") = "6"
    & skf21("2","6","2","5","2","4","1","1") = "5"
    & skf21("2","6","2","5","2","4","2","1") = "5"
    & skf21("2","6","2","5","2","4","3","1") = "5"
    & skf21("2","6","2","5","2","4","4","1") = "5"
    & skf21("2","6","2","5","2","4","5","1") = "5"
    & skf21("2","6","2","5","2","4","6","1") = "5"
    & skf21("2","6","2","5","2","4","7","1") = "6"
    & skf21("2","6","2","5","2","5","1","1") = "5"
    & skf21("2","6","2","5","2","5","2","1") = "5"
    & skf21("2","6","2","5","2","5","3","1") = "5"
    & skf21("2","6","2","5","2","5","4","1") = "5"
    & skf21("2","6","2","5","2","5","5","1") = "5"
    & skf21("2","6","2","5","2","5","6","1") = "5"
    & skf21("2","6","2","5","2","5","7","1") = "6"
    & skf21("2","6","2","5","2","6","1","1") = "5"
    & skf21("2","6","2","5","2","6","2","1") = "5"
    & skf21("2","6","2","5","2","6","3","1") = "5"
    & skf21("2","6","2","5","2","6","4","1") = "5"
    & skf21("2","6","2","5","2","6","5","1") = "5"
    & skf21("2","6","2","5","2","6","6","1") = "5"
    & skf21("2","6","2","5","2","6","7","1") = "6"
    & skf21("2","6","2","5","2","7","1","1") = "6"
    & skf21("2","6","2","5","2","7","2","1") = "6"
    & skf21("2","6","2","5","2","7","3","1") = "6"
    & skf21("2","6","2","5","2","7","4","1") = "6"
    & skf21("2","6","2","5","2","7","5","1") = "6"
    & skf21("2","6","2","5","2","7","6","1") = "6"
    & skf21("2","6","2","5","2","7","7","1") = "6"
    & skf21("2","6","2","5","3","1","1","1") = "5"
    & skf21("2","6","2","5","3","1","2","1") = "5"
    & skf21("2","6","2","5","3","1","3","1") = "5"
    & skf21("2","6","2","5","3","1","4","1") = "5"
    & skf21("2","6","2","5","3","1","5","1") = "5"
    & skf21("2","6","2","5","3","1","6","1") = "5"
    & skf21("2","6","2","5","3","1","7","1") = "6"
    & skf21("2","6","2","5","3","2","1","1") = "5"
    & skf21("2","6","2","5","3","2","2","1") = "5"
    & skf21("2","6","2","5","3","2","3","1") = "5"
    & skf21("2","6","2","5","3","2","4","1") = "5"
    & skf21("2","6","2","5","3","2","5","1") = "5"
    & skf21("2","6","2","5","3","2","6","1") = "5"
    & skf21("2","6","2","5","3","2","7","1") = "6"
    & skf21("2","6","2","5","3","3","1","1") = "5"
    & skf21("2","6","2","5","3","3","2","1") = "5"
    & skf21("2","6","2","5","3","3","3","1") = "5"
    & skf21("2","6","2","5","3","3","4","1") = "5"
    & skf21("2","6","2","5","3","3","5","1") = "5"
    & skf21("2","6","2","5","3","3","6","1") = "5"
    & skf21("2","6","2","5","3","3","7","1") = "6"
    & skf21("2","6","2","5","3","4","1","1") = "5"
    & skf21("2","6","2","5","3","4","2","1") = "5"
    & skf21("2","6","2","5","3","4","3","1") = "5"
    & skf21("2","6","2","5","3","4","4","1") = "5"
    & skf21("2","6","2","5","3","4","5","1") = "5"
    & skf21("2","6","2","5","3","4","6","1") = "5"
    & skf21("2","6","2","5","3","4","7","1") = "6"
    & skf21("2","6","2","5","3","5","1","1") = "5"
    & skf21("2","6","2","5","3","5","2","1") = "5"
    & skf21("2","6","2","5","3","5","3","1") = "5"
    & skf21("2","6","2","5","3","5","4","1") = "5"
    & skf21("2","6","2","5","3","5","5","1") = "5"
    & skf21("2","6","2","5","3","5","6","1") = "5"
    & skf21("2","6","2","5","3","5","7","1") = "6"
    & skf21("2","6","2","5","3","6","1","1") = "5"
    & skf21("2","6","2","5","3","6","2","1") = "5"
    & skf21("2","6","2","5","3","6","3","1") = "5"
    & skf21("2","6","2","5","3","6","4","1") = "5"
    & skf21("2","6","2","5","3","6","5","1") = "5"
    & skf21("2","6","2","5","3","6","6","1") = "5"
    & skf21("2","6","2","5","3","6","7","1") = "6"
    & skf21("2","6","2","5","3","7","1","1") = "6"
    & skf21("2","6","2","5","3","7","2","1") = "6"
    & skf21("2","6","2","5","3","7","3","1") = "6"
    & skf21("2","6","2","5","3","7","4","1") = "6"
    & skf21("2","6","2","5","3","7","5","1") = "6"
    & skf21("2","6","2","5","3","7","6","1") = "6"
    & skf21("2","6","2","5","3","7","7","1") = "6"
    & skf21("2","6","2","5","4","1","1","1") = "5"
    & skf21("2","6","2","5","4","1","2","1") = "5"
    & skf21("2","6","2","5","4","1","3","1") = "5"
    & skf21("2","6","2","5","4","1","4","1") = "5"
    & skf21("2","6","2","5","4","1","5","1") = "5"
    & skf21("2","6","2","5","4","1","6","1") = "5"
    & skf21("2","6","2","5","4","1","7","1") = "6"
    & skf21("2","6","2","5","4","2","1","1") = "5"
    & skf21("2","6","2","5","4","2","2","1") = "5"
    & skf21("2","6","2","5","4","2","3","1") = "5"
    & skf21("2","6","2","5","4","2","4","1") = "5"
    & skf21("2","6","2","5","4","2","5","1") = "5"
    & skf21("2","6","2","5","4","2","6","1") = "5"
    & skf21("2","6","2","5","4","2","7","1") = "6"
    & skf21("2","6","2","5","4","3","1","1") = "5"
    & skf21("2","6","2","5","4","3","2","1") = "5"
    & skf21("2","6","2","5","4","3","3","1") = "5"
    & skf21("2","6","2","5","4","3","4","1") = "5"
    & skf21("2","6","2","5","4","3","5","1") = "5"
    & skf21("2","6","2","5","4","3","6","1") = "5"
    & skf21("2","6","2","5","4","3","7","1") = "6"
    & skf21("2","6","2","5","4","4","1","1") = "5"
    & skf21("2","6","2","5","4","4","2","1") = "5"
    & skf21("2","6","2","5","4","4","3","1") = "5"
    & skf21("2","6","2","5","4","4","4","1") = "5"
    & skf21("2","6","2","5","4","4","5","1") = "5"
    & skf21("2","6","2","5","4","4","6","1") = "5"
    & skf21("2","6","2","5","4","4","7","1") = "6"
    & skf21("2","6","2","5","4","5","1","1") = "5"
    & skf21("2","6","2","5","4","5","2","1") = "5"
    & skf21("2","6","2","5","4","5","3","1") = "5"
    & skf21("2","6","2","5","4","5","4","1") = "5"
    & skf21("2","6","2","5","4","5","5","1") = "5"
    & skf21("2","6","2","5","4","5","6","1") = "5"
    & skf21("2","6","2","5","4","5","7","1") = "6"
    & skf21("2","6","2","5","4","6","1","1") = "5"
    & skf21("2","6","2","5","4","6","2","1") = "5"
    & skf21("2","6","2","5","4","6","3","1") = "5"
    & skf21("2","6","2","5","4","6","4","1") = "5"
    & skf21("2","6","2","5","4","6","5","1") = "5"
    & skf21("2","6","2","5","4","6","6","1") = "5"
    & skf21("2","6","2","5","4","6","7","1") = "6"
    & skf21("2","6","2","5","4","7","1","1") = "6"
    & skf21("2","6","2","5","4","7","2","1") = "6"
    & skf21("2","6","2","5","4","7","3","1") = "6"
    & skf21("2","6","2","5","4","7","4","1") = "6"
    & skf21("2","6","2","5","4","7","5","1") = "6"
    & skf21("2","6","2","5","4","7","6","1") = "6"
    & skf21("2","6","2","5","4","7","7","1") = "6"
    & skf21("2","6","2","5","5","1","1","1") = "5"
    & skf21("2","6","2","5","5","1","2","1") = "5"
    & skf21("2","6","2","5","5","1","3","1") = "5"
    & skf21("2","6","2","5","5","1","4","1") = "5"
    & skf21("2","6","2","5","5","1","5","1") = "5"
    & skf21("2","6","2","5","5","1","6","1") = "5"
    & skf21("2","6","2","5","5","1","7","1") = "6"
    & skf21("2","6","2","5","5","2","1","1") = "5"
    & skf21("2","6","2","5","5","2","2","1") = "5"
    & skf21("2","6","2","5","5","2","3","1") = "5"
    & skf21("2","6","2","5","5","2","4","1") = "5"
    & skf21("2","6","2","5","5","2","5","1") = "5"
    & skf21("2","6","2","5","5","2","6","1") = "5"
    & skf21("2","6","2","5","5","2","7","1") = "6"
    & skf21("2","6","2","5","5","3","1","1") = "5"
    & skf21("2","6","2","5","5","3","2","1") = "5"
    & skf21("2","6","2","5","5","3","3","1") = "5"
    & skf21("2","6","2","5","5","3","4","1") = "5"
    & skf21("2","6","2","5","5","3","5","1") = "5"
    & skf21("2","6","2","5","5","3","6","1") = "5"
    & skf21("2","6","2","5","5","3","7","1") = "6"
    & skf21("2","6","2","5","5","4","1","1") = "5"
    & skf21("2","6","2","5","5","4","2","1") = "5"
    & skf21("2","6","2","5","5","4","3","1") = "5"
    & skf21("2","6","2","5","5","4","4","1") = "5"
    & skf21("2","6","2","5","5","4","5","1") = "5"
    & skf21("2","6","2","5","5","4","6","1") = "5"
    & skf21("2","6","2","5","5","4","7","1") = "6"
    & skf21("2","6","2","5","5","5","1","1") = "5"
    & skf21("2","6","2","5","5","5","2","1") = "5"
    & skf21("2","6","2","5","5","5","3","1") = "5"
    & skf21("2","6","2","5","5","5","4","1") = "5"
    & skf21("2","6","2","5","5","5","5","1") = "5"
    & skf21("2","6","2","5","5","5","6","1") = "5"
    & skf21("2","6","2","5","5","5","7","1") = "6"
    & skf21("2","6","2","5","5","6","1","1") = "5"
    & skf21("2","6","2","5","5","6","2","1") = "5"
    & skf21("2","6","2","5","5","6","3","1") = "5"
    & skf21("2","6","2","5","5","6","4","1") = "5"
    & skf21("2","6","2","5","5","6","5","1") = "5"
    & skf21("2","6","2","5","5","6","6","1") = "5"
    & skf21("2","6","2","5","5","6","7","1") = "6"
    & skf21("2","6","2","5","5","7","1","1") = "6"
    & skf21("2","6","2","5","5","7","2","1") = "6"
    & skf21("2","6","2","5","5","7","3","1") = "6"
    & skf21("2","6","2","5","5","7","4","1") = "6"
    & skf21("2","6","2","5","5","7","5","1") = "6"
    & skf21("2","6","2","5","5","7","6","1") = "6"
    & skf21("2","6","2","5","5","7","7","1") = "6"
    & skf21("2","6","2","5","6","1","1","1") = "5"
    & skf21("2","6","2","5","6","1","2","1") = "5"
    & skf21("2","6","2","5","6","1","3","1") = "5"
    & skf21("2","6","2","5","6","1","4","1") = "5"
    & skf21("2","6","2","5","6","1","5","1") = "5"
    & skf21("2","6","2","5","6","1","6","1") = "5"
    & skf21("2","6","2","5","6","1","7","1") = "6"
    & skf21("2","6","2","5","6","2","1","1") = "5"
    & skf21("2","6","2","5","6","2","2","1") = "5"
    & skf21("2","6","2","5","6","2","3","1") = "5"
    & skf21("2","6","2","5","6","2","4","1") = "5"
    & skf21("2","6","2","5","6","2","5","1") = "5"
    & skf21("2","6","2","5","6","2","6","1") = "5"
    & skf21("2","6","2","5","6","2","7","1") = "6"
    & skf21("2","6","2","5","6","3","1","1") = "5"
    & skf21("2","6","2","5","6","3","2","1") = "5"
    & skf21("2","6","2","5","6","3","3","1") = "5"
    & skf21("2","6","2","5","6","3","4","1") = "5"
    & skf21("2","6","2","5","6","3","5","1") = "5"
    & skf21("2","6","2","5","6","3","6","1") = "5"
    & skf21("2","6","2","5","6","3","7","1") = "6"
    & skf21("2","6","2","5","6","4","1","1") = "5"
    & skf21("2","6","2","5","6","4","2","1") = "5"
    & skf21("2","6","2","5","6","4","3","1") = "5"
    & skf21("2","6","2","5","6","4","4","1") = "5"
    & skf21("2","6","2","5","6","4","5","1") = "5"
    & skf21("2","6","2","5","6","4","6","1") = "5"
    & skf21("2","6","2","5","6","4","7","1") = "6"
    & skf21("2","6","2","5","6","5","1","1") = "5"
    & skf21("2","6","2","5","6","5","2","1") = "5"
    & skf21("2","6","2","5","6","5","3","1") = "5"
    & skf21("2","6","2","5","6","5","4","1") = "5"
    & skf21("2","6","2","5","6","5","5","1") = "5"
    & skf21("2","6","2","5","6","5","6","1") = "5"
    & skf21("2","6","2","5","6","5","7","1") = "6"
    & skf21("2","6","2","5","6","6","1","1") = "5"
    & skf21("2","6","2","5","6","6","2","1") = "5"
    & skf21("2","6","2","5","6","6","3","1") = "5"
    & skf21("2","6","2","5","6","6","4","1") = "5"
    & skf21("2","6","2","5","6","6","5","1") = "5"
    & skf21("2","6","2","5","6","6","6","1") = "5"
    & skf21("2","6","2","5","6","6","7","1") = "6"
    & skf21("2","6","2","5","6","7","1","1") = "6"
    & skf21("2","6","2","5","6","7","2","1") = "6"
    & skf21("2","6","2","5","6","7","3","1") = "6"
    & skf21("2","6","2","5","6","7","4","1") = "6"
    & skf21("2","6","2","5","6","7","5","1") = "6"
    & skf21("2","6","2","5","6","7","6","1") = "6"
    & skf21("2","6","2","5","6","7","7","1") = "6"
    & skf21("2","6","2","5","7","1","1","1") = "6"
    & skf21("2","6","2","5","7","1","2","1") = "6"
    & skf21("2","6","2","5","7","1","3","1") = "6"
    & skf21("2","6","2","5","7","1","4","1") = "6"
    & skf21("2","6","2","5","7","1","5","1") = "6"
    & skf21("2","6","2","5","7","1","6","1") = "6"
    & skf21("2","6","2","5","7","1","7","1") = "6"
    & skf21("2","6","2","5","7","2","1","1") = "6"
    & skf21("2","6","2","5","7","2","2","1") = "6"
    & skf21("2","6","2","5","7","2","3","1") = "6"
    & skf21("2","6","2","5","7","2","4","1") = "6"
    & skf21("2","6","2","5","7","2","5","1") = "6"
    & skf21("2","6","2","5","7","2","6","1") = "6"
    & skf21("2","6","2","5","7","2","7","1") = "6"
    & skf21("2","6","2","5","7","3","1","1") = "6"
    & skf21("2","6","2","5","7","3","2","1") = "6"
    & skf21("2","6","2","5","7","3","3","1") = "6"
    & skf21("2","6","2","5","7","3","4","1") = "6"
    & skf21("2","6","2","5","7","3","5","1") = "6"
    & skf21("2","6","2","5","7","3","6","1") = "6"
    & skf21("2","6","2","5","7","3","7","1") = "6"
    & skf21("2","6","2","5","7","4","1","1") = "6"
    & skf21("2","6","2","5","7","4","2","1") = "6"
    & skf21("2","6","2","5","7","4","3","1") = "6"
    & skf21("2","6","2","5","7","4","4","1") = "6"
    & skf21("2","6","2","5","7","4","5","1") = "6"
    & skf21("2","6","2","5","7","4","6","1") = "6"
    & skf21("2","6","2","5","7","4","7","1") = "6"
    & skf21("2","6","2","5","7","5","1","1") = "6"
    & skf21("2","6","2","5","7","5","2","1") = "6"
    & skf21("2","6","2","5","7","5","3","1") = "6"
    & skf21("2","6","2","5","7","5","4","1") = "6"
    & skf21("2","6","2","5","7","5","5","1") = "6"
    & skf21("2","6","2","5","7","5","6","1") = "6"
    & skf21("2","6","2","5","7","5","7","1") = "6"
    & skf21("2","6","2","5","7","6","1","1") = "6"
    & skf21("2","6","2","5","7","6","2","1") = "6"
    & skf21("2","6","2","5","7","6","3","1") = "6"
    & skf21("2","6","2","5","7","6","4","1") = "6"
    & skf21("2","6","2","5","7","6","5","1") = "6"
    & skf21("2","6","2","5","7","6","6","1") = "6"
    & skf21("2","6","2","5","7","6","7","1") = "6"
    & skf21("2","6","2","5","7","7","1","1") = "6"
    & skf21("2","6","2","5","7","7","2","1") = "6"
    & skf21("2","6","2","5","7","7","3","1") = "6"
    & skf21("2","6","2","5","7","7","4","1") = "6"
    & skf21("2","6","2","5","7","7","5","1") = "6"
    & skf21("2","6","2","5","7","7","6","1") = "6"
    & skf21("2","6","2","5","7","7","7","1") = "6"
    & skf21("2","6","2","6","1","1","1","1") = "5"
    & skf21("2","6","2","6","1","1","2","1") = "5"
    & skf21("2","6","2","6","1","1","3","1") = "5"
    & skf21("2","6","2","6","1","1","4","1") = "5"
    & skf21("2","6","2","6","1","1","5","1") = "5"
    & skf21("2","6","2","6","1","1","6","1") = "5"
    & skf21("2","6","2","6","1","1","7","1") = "6"
    & skf21("2","6","2","6","1","2","1","1") = "5"
    & skf21("2","6","2","6","1","2","2","1") = "5"
    & skf21("2","6","2","6","1","2","3","1") = "5"
    & skf21("2","6","2","6","1","2","4","1") = "5"
    & skf21("2","6","2","6","1","2","5","1") = "5"
    & skf21("2","6","2","6","1","2","6","1") = "5"
    & skf21("2","6","2","6","1","2","7","1") = "6"
    & skf21("2","6","2","6","1","3","1","1") = "5"
    & skf21("2","6","2","6","1","3","2","1") = "5"
    & skf21("2","6","2","6","1","3","3","1") = "5"
    & skf21("2","6","2","6","1","3","4","1") = "5"
    & skf21("2","6","2","6","1","3","5","1") = "5"
    & skf21("2","6","2","6","1","3","6","1") = "5"
    & skf21("2","6","2","6","1","3","7","1") = "6"
    & skf21("2","6","2","6","1","4","1","1") = "5"
    & skf21("2","6","2","6","1","4","2","1") = "5"
    & skf21("2","6","2","6","1","4","3","1") = "5"
    & skf21("2","6","2","6","1","4","4","1") = "5"
    & skf21("2","6","2","6","1","4","5","1") = "5"
    & skf21("2","6","2","6","1","4","6","1") = "5"
    & skf21("2","6","2","6","1","4","7","1") = "6"
    & skf21("2","6","2","6","1","5","1","1") = "5"
    & skf21("2","6","2","6","1","5","2","1") = "5"
    & skf21("2","6","2","6","1","5","3","1") = "5"
    & skf21("2","6","2","6","1","5","4","1") = "5"
    & skf21("2","6","2","6","1","5","5","1") = "5"
    & skf21("2","6","2","6","1","5","6","1") = "5"
    & skf21("2","6","2","6","1","5","7","1") = "6"
    & skf21("2","6","2","6","1","6","1","1") = "5"
    & skf21("2","6","2","6","1","6","2","1") = "5"
    & skf21("2","6","2","6","1","6","3","1") = "5"
    & skf21("2","6","2","6","1","6","4","1") = "5"
    & skf21("2","6","2","6","1","6","5","1") = "5"
    & skf21("2","6","2","6","1","6","6","1") = "5"
    & skf21("2","6","2","6","1","6","7","1") = "6"
    & skf21("2","6","2","6","1","7","1","1") = "6"
    & skf21("2","6","2","6","1","7","2","1") = "6"
    & skf21("2","6","2","6","1","7","3","1") = "6"
    & skf21("2","6","2","6","1","7","4","1") = "6"
    & skf21("2","6","2","6","1","7","5","1") = "6"
    & skf21("2","6","2","6","1","7","6","1") = "6"
    & skf21("2","6","2","6","1","7","7","1") = "6"
    & skf21("2","6","2","6","2","1","1","1") = "5"
    & skf21("2","6","2","6","2","1","2","1") = "5"
    & skf21("2","6","2","6","2","1","3","1") = "5"
    & skf21("2","6","2","6","2","1","4","1") = "5"
    & skf21("2","6","2","6","2","1","5","1") = "5"
    & skf21("2","6","2","6","2","1","6","1") = "5"
    & skf21("2","6","2","6","2","1","7","1") = "6"
    & skf21("2","6","2","6","2","2","1","1") = "5"
    & skf21("2","6","2","6","2","2","2","1") = "5"
    & skf21("2","6","2","6","2","2","3","1") = "5"
    & skf21("2","6","2","6","2","2","4","1") = "5"
    & skf21("2","6","2","6","2","2","5","1") = "5"
    & skf21("2","6","2","6","2","2","6","1") = "5"
    & skf21("2","6","2","6","2","2","7","1") = "6"
    & skf21("2","6","2","6","2","3","1","1") = "5"
    & skf21("2","6","2","6","2","3","2","1") = "5"
    & skf21("2","6","2","6","2","3","3","1") = "5"
    & skf21("2","6","2","6","2","3","4","1") = "5"
    & skf21("2","6","2","6","2","3","5","1") = "5"
    & skf21("2","6","2","6","2","3","6","1") = "5"
    & skf21("2","6","2","6","2","3","7","1") = "6"
    & skf21("2","6","2","6","2","4","1","1") = "5"
    & skf21("2","6","2","6","2","4","2","1") = "5"
    & skf21("2","6","2","6","2","4","3","1") = "5"
    & skf21("2","6","2","6","2","4","4","1") = "5"
    & skf21("2","6","2","6","2","4","5","1") = "5"
    & skf21("2","6","2","6","2","4","6","1") = "5"
    & skf21("2","6","2","6","2","4","7","1") = "6"
    & skf21("2","6","2","6","2","5","1","1") = "5"
    & skf21("2","6","2","6","2","5","2","1") = "5"
    & skf21("2","6","2","6","2","5","3","1") = "5"
    & skf21("2","6","2","6","2","5","4","1") = "5"
    & skf21("2","6","2","6","2","5","5","1") = "5"
    & skf21("2","6","2","6","2","5","6","1") = "5"
    & skf21("2","6","2","6","2","5","7","1") = "6"
    & skf21("2","6","2","6","2","6","1","1") = "5"
    & skf21("2","6","2","6","2","6","2","1") = "5"
    & skf21("2","6","2","6","2","6","3","1") = "5"
    & skf21("2","6","2","6","2","6","4","1") = "5"
    & skf21("2","6","2","6","2","6","5","1") = "5"
    & skf21("2","6","2","6","2","6","6","1") = "5"
    & skf21("2","6","2","6","2","6","7","1") = "6"
    & skf21("2","6","2","6","2","7","1","1") = "6"
    & skf21("2","6","2","6","2","7","2","1") = "6"
    & skf21("2","6","2","6","2","7","3","1") = "6"
    & skf21("2","6","2","6","2","7","4","1") = "6"
    & skf21("2","6","2","6","2","7","5","1") = "6"
    & skf21("2","6","2","6","2","7","6","1") = "6"
    & skf21("2","6","2","6","2","7","7","1") = "6"
    & skf21("2","6","2","6","3","1","1","1") = "5"
    & skf21("2","6","2","6","3","1","2","1") = "5"
    & skf21("2","6","2","6","3","1","3","1") = "5"
    & skf21("2","6","2","6","3","1","4","1") = "5"
    & skf21("2","6","2","6","3","1","5","1") = "5"
    & skf21("2","6","2","6","3","1","6","1") = "5"
    & skf21("2","6","2","6","3","1","7","1") = "6"
    & skf21("2","6","2","6","3","2","1","1") = "5"
    & skf21("2","6","2","6","3","2","2","1") = "5"
    & skf21("2","6","2","6","3","2","3","1") = "5"
    & skf21("2","6","2","6","3","2","4","1") = "5"
    & skf21("2","6","2","6","3","2","5","1") = "5"
    & skf21("2","6","2","6","3","2","6","1") = "5"
    & skf21("2","6","2","6","3","2","7","1") = "6"
    & skf21("2","6","2","6","3","3","1","1") = "5"
    & skf21("2","6","2","6","3","3","2","1") = "5"
    & skf21("2","6","2","6","3","3","3","1") = "5"
    & skf21("2","6","2","6","3","3","4","1") = "5"
    & skf21("2","6","2","6","3","3","5","1") = "5"
    & skf21("2","6","2","6","3","3","6","1") = "5"
    & skf21("2","6","2","6","3","3","7","1") = "6"
    & skf21("2","6","2","6","3","4","1","1") = "5"
    & skf21("2","6","2","6","3","4","2","1") = "5"
    & skf21("2","6","2","6","3","4","3","1") = "5"
    & skf21("2","6","2","6","3","4","4","1") = "5"
    & skf21("2","6","2","6","3","4","5","1") = "5"
    & skf21("2","6","2","6","3","4","6","1") = "5"
    & skf21("2","6","2","6","3","4","7","1") = "6"
    & skf21("2","6","2","6","3","5","1","1") = "5"
    & skf21("2","6","2","6","3","5","2","1") = "5"
    & skf21("2","6","2","6","3","5","3","1") = "5"
    & skf21("2","6","2","6","3","5","4","1") = "5"
    & skf21("2","6","2","6","3","5","5","1") = "5"
    & skf21("2","6","2","6","3","5","6","1") = "5"
    & skf21("2","6","2","6","3","5","7","1") = "6"
    & skf21("2","6","2","6","3","6","1","1") = "5"
    & skf21("2","6","2","6","3","6","2","1") = "5"
    & skf21("2","6","2","6","3","6","3","1") = "5"
    & skf21("2","6","2","6","3","6","4","1") = "5"
    & skf21("2","6","2","6","3","6","5","1") = "5"
    & skf21("2","6","2","6","3","6","6","1") = "5"
    & skf21("2","6","2","6","3","6","7","1") = "6"
    & skf21("2","6","2","6","3","7","1","1") = "6"
    & skf21("2","6","2","6","3","7","2","1") = "6"
    & skf21("2","6","2","6","3","7","3","1") = "6"
    & skf21("2","6","2","6","3","7","4","1") = "6"
    & skf21("2","6","2","6","3","7","5","1") = "6"
    & skf21("2","6","2","6","3","7","6","1") = "6"
    & skf21("2","6","2","6","3","7","7","1") = "6"
    & skf21("2","6","2","6","4","1","1","1") = "5"
    & skf21("2","6","2","6","4","1","2","1") = "5"
    & skf21("2","6","2","6","4","1","3","1") = "5"
    & skf21("2","6","2","6","4","1","4","1") = "5"
    & skf21("2","6","2","6","4","1","5","1") = "5"
    & skf21("2","6","2","6","4","1","6","1") = "5"
    & skf21("2","6","2","6","4","1","7","1") = "6"
    & skf21("2","6","2","6","4","2","1","1") = "5"
    & skf21("2","6","2","6","4","2","2","1") = "5"
    & skf21("2","6","2","6","4","2","3","1") = "5"
    & skf21("2","6","2","6","4","2","4","1") = "5"
    & skf21("2","6","2","6","4","2","5","1") = "5"
    & skf21("2","6","2","6","4","2","6","1") = "5"
    & skf21("2","6","2","6","4","2","7","1") = "6"
    & skf21("2","6","2","6","4","3","1","1") = "5"
    & skf21("2","6","2","6","4","3","2","1") = "5"
    & skf21("2","6","2","6","4","3","3","1") = "5"
    & skf21("2","6","2","6","4","3","4","1") = "5"
    & skf21("2","6","2","6","4","3","5","1") = "5"
    & skf21("2","6","2","6","4","3","6","1") = "5"
    & skf21("2","6","2","6","4","3","7","1") = "6"
    & skf21("2","6","2","6","4","4","1","1") = "5"
    & skf21("2","6","2","6","4","4","2","1") = "5"
    & skf21("2","6","2","6","4","4","3","1") = "5"
    & skf21("2","6","2","6","4","4","4","1") = "5"
    & skf21("2","6","2","6","4","4","5","1") = "5"
    & skf21("2","6","2","6","4","4","6","1") = "5"
    & skf21("2","6","2","6","4","4","7","1") = "6"
    & skf21("2","6","2","6","4","5","1","1") = "5"
    & skf21("2","6","2","6","4","5","2","1") = "5"
    & skf21("2","6","2","6","4","5","3","1") = "5"
    & skf21("2","6","2","6","4","5","4","1") = "5"
    & skf21("2","6","2","6","4","5","5","1") = "5"
    & skf21("2","6","2","6","4","5","6","1") = "5"
    & skf21("2","6","2","6","4","5","7","1") = "6"
    & skf21("2","6","2","6","4","6","1","1") = "5"
    & skf21("2","6","2","6","4","6","2","1") = "5"
    & skf21("2","6","2","6","4","6","3","1") = "5"
    & skf21("2","6","2","6","4","6","4","1") = "5"
    & skf21("2","6","2","6","4","6","5","1") = "5"
    & skf21("2","6","2","6","4","6","6","1") = "5"
    & skf21("2","6","2","6","4","6","7","1") = "6"
    & skf21("2","6","2","6","4","7","1","1") = "6"
    & skf21("2","6","2","6","4","7","2","1") = "6"
    & skf21("2","6","2","6","4","7","3","1") = "6"
    & skf21("2","6","2","6","4","7","4","1") = "6"
    & skf21("2","6","2","6","4","7","5","1") = "6"
    & skf21("2","6","2","6","4","7","6","1") = "6"
    & skf21("2","6","2","6","4","7","7","1") = "6"
    & skf21("2","6","2","6","5","1","1","1") = "5"
    & skf21("2","6","2","6","5","1","2","1") = "5"
    & skf21("2","6","2","6","5","1","3","1") = "5"
    & skf21("2","6","2","6","5","1","4","1") = "5"
    & skf21("2","6","2","6","5","1","5","1") = "5"
    & skf21("2","6","2","6","5","1","6","1") = "5"
    & skf21("2","6","2","6","5","1","7","1") = "6"
    & skf21("2","6","2","6","5","2","1","1") = "5"
    & skf21("2","6","2","6","5","2","2","1") = "5"
    & skf21("2","6","2","6","5","2","3","1") = "5"
    & skf21("2","6","2","6","5","2","4","1") = "5"
    & skf21("2","6","2","6","5","2","5","1") = "5"
    & skf21("2","6","2","6","5","2","6","1") = "5"
    & skf21("2","6","2","6","5","2","7","1") = "6"
    & skf21("2","6","2","6","5","3","1","1") = "5"
    & skf21("2","6","2","6","5","3","2","1") = "5"
    & skf21("2","6","2","6","5","3","3","1") = "5"
    & skf21("2","6","2","6","5","3","4","1") = "5"
    & skf21("2","6","2","6","5","3","5","1") = "5"
    & skf21("2","6","2","6","5","3","6","1") = "5"
    & skf21("2","6","2","6","5","3","7","1") = "6"
    & skf21("2","6","2","6","5","4","1","1") = "5"
    & skf21("2","6","2","6","5","4","2","1") = "5"
    & skf21("2","6","2","6","5","4","3","1") = "5"
    & skf21("2","6","2","6","5","4","4","1") = "5"
    & skf21("2","6","2","6","5","4","5","1") = "5"
    & skf21("2","6","2","6","5","4","6","1") = "5"
    & skf21("2","6","2","6","5","4","7","1") = "6"
    & skf21("2","6","2","6","5","5","1","1") = "5"
    & skf21("2","6","2","6","5","5","2","1") = "5"
    & skf21("2","6","2","6","5","5","3","1") = "5"
    & skf21("2","6","2","6","5","5","4","1") = "5"
    & skf21("2","6","2","6","5","5","5","1") = "5"
    & skf21("2","6","2","6","5","5","6","1") = "5"
    & skf21("2","6","2","6","5","5","7","1") = "6"
    & skf21("2","6","2","6","5","6","1","1") = "5"
    & skf21("2","6","2","6","5","6","2","1") = "5"
    & skf21("2","6","2","6","5","6","3","1") = "5"
    & skf21("2","6","2","6","5","6","4","1") = "5"
    & skf21("2","6","2","6","5","6","5","1") = "5"
    & skf21("2","6","2","6","5","6","6","1") = "5"
    & skf21("2","6","2","6","5","6","7","1") = "6"
    & skf21("2","6","2","6","5","7","1","1") = "6"
    & skf21("2","6","2","6","5","7","2","1") = "6"
    & skf21("2","6","2","6","5","7","3","1") = "6"
    & skf21("2","6","2","6","5","7","4","1") = "6"
    & skf21("2","6","2","6","5","7","5","1") = "6"
    & skf21("2","6","2","6","5","7","6","1") = "6"
    & skf21("2","6","2","6","5","7","7","1") = "6"
    & skf21("2","6","2","6","6","1","1","1") = "5"
    & skf21("2","6","2","6","6","1","2","1") = "5"
    & skf21("2","6","2","6","6","1","3","1") = "5"
    & skf21("2","6","2","6","6","1","4","1") = "5"
    & skf21("2","6","2","6","6","1","5","1") = "5"
    & skf21("2","6","2","6","6","1","6","1") = "5"
    & skf21("2","6","2","6","6","1","7","1") = "6"
    & skf21("2","6","2","6","6","2","1","1") = "5"
    & skf21("2","6","2","6","6","2","2","1") = "5"
    & skf21("2","6","2","6","6","2","3","1") = "5"
    & skf21("2","6","2","6","6","2","4","1") = "5"
    & skf21("2","6","2","6","6","2","5","1") = "5"
    & skf21("2","6","2","6","6","2","6","1") = "5"
    & skf21("2","6","2","6","6","2","7","1") = "6"
    & skf21("2","6","2","6","6","3","1","1") = "5"
    & skf21("2","6","2","6","6","3","2","1") = "5"
    & skf21("2","6","2","6","6","3","3","1") = "5"
    & skf21("2","6","2","6","6","3","4","1") = "5"
    & skf21("2","6","2","6","6","3","5","1") = "5"
    & skf21("2","6","2","6","6","3","6","1") = "5"
    & skf21("2","6","2","6","6","3","7","1") = "6"
    & skf21("2","6","2","6","6","4","1","1") = "5"
    & skf21("2","6","2","6","6","4","2","1") = "5"
    & skf21("2","6","2","6","6","4","3","1") = "5"
    & skf21("2","6","2","6","6","4","4","1") = "5"
    & skf21("2","6","2","6","6","4","5","1") = "5"
    & skf21("2","6","2","6","6","4","6","1") = "5"
    & skf21("2","6","2","6","6","4","7","1") = "6"
    & skf21("2","6","2","6","6","5","1","1") = "5"
    & skf21("2","6","2","6","6","5","2","1") = "5"
    & skf21("2","6","2","6","6","5","3","1") = "5"
    & skf21("2","6","2","6","6","5","4","1") = "5"
    & skf21("2","6","2","6","6","5","5","1") = "5"
    & skf21("2","6","2","6","6","5","6","1") = "5"
    & skf21("2","6","2","6","6","5","7","1") = "6"
    & skf21("2","6","2","6","6","6","1","1") = "5"
    & skf21("2","6","2","6","6","6","2","1") = "5"
    & skf21("2","6","2","6","6","6","3","1") = "5"
    & skf21("2","6","2","6","6","6","4","1") = "5"
    & skf21("2","6","2","6","6","6","5","1") = "5"
    & skf21("2","6","2","6","6","6","6","1") = "5"
    & skf21("2","6","2","6","6","6","7","1") = "6"
    & skf21("2","6","2","6","6","7","1","1") = "6"
    & skf21("2","6","2","6","6","7","2","1") = "6"
    & skf21("2","6","2","6","6","7","3","1") = "6"
    & skf21("2","6","2","6","6","7","4","1") = "6"
    & skf21("2","6","2","6","6","7","5","1") = "6"
    & skf21("2","6","2","6","6","7","6","1") = "6"
    & skf21("2","6","2","6","6","7","7","1") = "6"
    & skf21("2","6","2","6","7","1","1","1") = "6"
    & skf21("2","6","2","6","7","1","2","1") = "6"
    & skf21("2","6","2","6","7","1","3","1") = "6"
    & skf21("2","6","2","6","7","1","4","1") = "6"
    & skf21("2","6","2","6","7","1","5","1") = "6"
    & skf21("2","6","2","6","7","1","6","1") = "6"
    & skf21("2","6","2","6","7","1","7","1") = "6"
    & skf21("2","6","2","6","7","2","1","1") = "6"
    & skf21("2","6","2","6","7","2","2","1") = "6"
    & skf21("2","6","2","6","7","2","3","1") = "6"
    & skf21("2","6","2","6","7","2","4","1") = "6"
    & skf21("2","6","2","6","7","2","5","1") = "6"
    & skf21("2","6","2","6","7","2","6","1") = "6"
    & skf21("2","6","2","6","7","2","7","1") = "6"
    & skf21("2","6","2","6","7","3","1","1") = "6"
    & skf21("2","6","2","6","7","3","2","1") = "6"
    & skf21("2","6","2","6","7","3","3","1") = "6"
    & skf21("2","6","2","6","7","3","4","1") = "6"
    & skf21("2","6","2","6","7","3","5","1") = "6"
    & skf21("2","6","2","6","7","3","6","1") = "6"
    & skf21("2","6","2","6","7","3","7","1") = "6"
    & skf21("2","6","2","6","7","4","1","1") = "6"
    & skf21("2","6","2","6","7","4","2","1") = "6"
    & skf21("2","6","2","6","7","4","3","1") = "6"
    & skf21("2","6","2","6","7","4","4","1") = "6"
    & skf21("2","6","2","6","7","4","5","1") = "6"
    & skf21("2","6","2","6","7","4","6","1") = "6"
    & skf21("2","6","2","6","7","4","7","1") = "6"
    & skf21("2","6","2","6","7","5","1","1") = "6"
    & skf21("2","6","2","6","7","5","2","1") = "6"
    & skf21("2","6","2","6","7","5","3","1") = "6"
    & skf21("2","6","2","6","7","5","4","1") = "6"
    & skf21("2","6","2","6","7","5","5","1") = "6"
    & skf21("2","6","2","6","7","5","6","1") = "6"
    & skf21("2","6","2","6","7","5","7","1") = "6"
    & skf21("2","6","2","6","7","6","1","1") = "6"
    & skf21("2","6","2","6","7","6","2","1") = "6"
    & skf21("2","6","2","6","7","6","3","1") = "6"
    & skf21("2","6","2","6","7","6","4","1") = "6"
    & skf21("2","6","2","6","7","6","5","1") = "6"
    & skf21("2","6","2","6","7","6","6","1") = "6"
    & skf21("2","6","2","6","7","6","7","1") = "6"
    & skf21("2","6","2","6","7","7","1","1") = "6"
    & skf21("2","6","2","6","7","7","2","1") = "6"
    & skf21("2","6","2","6","7","7","3","1") = "6"
    & skf21("2","6","2","6","7","7","4","1") = "6"
    & skf21("2","6","2","6","7","7","5","1") = "6"
    & skf21("2","6","2","6","7","7","6","1") = "6"
    & skf21("2","6","2","6","7","7","7","1") = "6"
    & skf21("2","6","2","7","1","1","1","1") = "6"
    & skf21("2","6","2","7","1","1","2","1") = "6"
    & skf21("2","6","2","7","1","1","3","1") = "6"
    & skf21("2","6","2","7","1","1","4","1") = "6"
    & skf21("2","6","2","7","1","1","5","1") = "6"
    & skf21("2","6","2","7","1","1","6","1") = "6"
    & skf21("2","6","2","7","1","1","7","1") = "6"
    & skf21("2","6","2","7","1","2","1","1") = "6"
    & skf21("2","6","2","7","1","2","2","1") = "6"
    & skf21("2","6","2","7","1","2","3","1") = "6"
    & skf21("2","6","2","7","1","2","4","1") = "6"
    & skf21("2","6","2","7","1","2","5","1") = "6"
    & skf21("2","6","2","7","1","2","6","1") = "6"
    & skf21("2","6","2","7","1","2","7","1") = "6"
    & skf21("2","6","2","7","1","3","1","1") = "6"
    & skf21("2","6","2","7","1","3","2","1") = "6"
    & skf21("2","6","2","7","1","3","3","1") = "6"
    & skf21("2","6","2","7","1","3","4","1") = "6"
    & skf21("2","6","2","7","1","3","5","1") = "6"
    & skf21("2","6","2","7","1","3","6","1") = "6"
    & skf21("2","6","2","7","1","3","7","1") = "6"
    & skf21("2","6","2","7","1","4","1","1") = "6"
    & skf21("2","6","2","7","1","4","2","1") = "6"
    & skf21("2","6","2","7","1","4","3","1") = "6"
    & skf21("2","6","2","7","1","4","4","1") = "6"
    & skf21("2","6","2","7","1","4","5","1") = "6"
    & skf21("2","6","2","7","1","4","6","1") = "6"
    & skf21("2","6","2","7","1","4","7","1") = "6"
    & skf21("2","6","2","7","1","5","1","1") = "6"
    & skf21("2","6","2","7","1","5","2","1") = "6"
    & skf21("2","6","2","7","1","5","3","1") = "6"
    & skf21("2","6","2","7","1","5","4","1") = "6"
    & skf21("2","6","2","7","1","5","5","1") = "6"
    & skf21("2","6","2","7","1","5","6","1") = "6"
    & skf21("2","6","2","7","1","5","7","1") = "6"
    & skf21("2","6","2","7","1","6","1","1") = "6"
    & skf21("2","6","2","7","1","6","2","1") = "6"
    & skf21("2","6","2","7","1","6","3","1") = "6"
    & skf21("2","6","2","7","1","6","4","1") = "6"
    & skf21("2","6","2","7","1","6","5","1") = "6"
    & skf21("2","6","2","7","1","6","6","1") = "6"
    & skf21("2","6","2","7","1","6","7","1") = "6"
    & skf21("2","6","2","7","1","7","1","1") = "6"
    & skf21("2","6","2","7","1","7","2","1") = "6"
    & skf21("2","6","2","7","1","7","3","1") = "6"
    & skf21("2","6","2","7","1","7","4","1") = "6"
    & skf21("2","6","2","7","1","7","5","1") = "6"
    & skf21("2","6","2","7","1","7","6","1") = "6"
    & skf21("2","6","2","7","1","7","7","1") = "6"
    & skf21("2","6","2","7","2","1","1","1") = "6"
    & skf21("2","6","2","7","2","1","2","1") = "6"
    & skf21("2","6","2","7","2","1","3","1") = "6"
    & skf21("2","6","2","7","2","1","4","1") = "6"
    & skf21("2","6","2","7","2","1","5","1") = "6"
    & skf21("2","6","2","7","2","1","6","1") = "6"
    & skf21("2","6","2","7","2","1","7","1") = "6"
    & skf21("2","6","2","7","2","2","1","1") = "6"
    & skf21("2","6","2","7","2","2","2","1") = "6"
    & skf21("2","6","2","7","2","2","3","1") = "6"
    & skf21("2","6","2","7","2","2","4","1") = "6"
    & skf21("2","6","2","7","2","2","5","1") = "6"
    & skf21("2","6","2","7","2","2","6","1") = "6"
    & skf21("2","6","2","7","2","2","7","1") = "6"
    & skf21("2","6","2","7","2","3","1","1") = "6"
    & skf21("2","6","2","7","2","3","2","1") = "6"
    & skf21("2","6","2","7","2","3","3","1") = "6"
    & skf21("2","6","2","7","2","3","4","1") = "6"
    & skf21("2","6","2","7","2","3","5","1") = "6"
    & skf21("2","6","2","7","2","3","6","1") = "6"
    & skf21("2","6","2","7","2","3","7","1") = "6"
    & skf21("2","6","2","7","2","4","1","1") = "6"
    & skf21("2","6","2","7","2","4","2","1") = "6"
    & skf21("2","6","2","7","2","4","3","1") = "6"
    & skf21("2","6","2","7","2","4","4","1") = "6"
    & skf21("2","6","2","7","2","4","5","1") = "6"
    & skf21("2","6","2","7","2","4","6","1") = "6"
    & skf21("2","6","2","7","2","4","7","1") = "6"
    & skf21("2","6","2","7","2","5","1","1") = "6"
    & skf21("2","6","2","7","2","5","2","1") = "6"
    & skf21("2","6","2","7","2","5","3","1") = "6"
    & skf21("2","6","2","7","2","5","4","1") = "6"
    & skf21("2","6","2","7","2","5","5","1") = "6"
    & skf21("2","6","2","7","2","5","6","1") = "6"
    & skf21("2","6","2","7","2","5","7","1") = "6"
    & skf21("2","6","2","7","2","6","1","1") = "6"
    & skf21("2","6","2","7","2","6","2","1") = "6"
    & skf21("2","6","2","7","2","6","3","1") = "6"
    & skf21("2","6","2","7","2","6","4","1") = "6"
    & skf21("2","6","2","7","2","6","5","1") = "6"
    & skf21("2","6","2","7","2","6","6","1") = "6"
    & skf21("2","6","2","7","2","6","7","1") = "6"
    & skf21("2","6","2","7","2","7","1","1") = "6"
    & skf21("2","6","2","7","2","7","2","1") = "6"
    & skf21("2","6","2","7","2","7","3","1") = "6"
    & skf21("2","6","2","7","2","7","4","1") = "6"
    & skf21("2","6","2","7","2","7","5","1") = "6"
    & skf21("2","6","2","7","2","7","6","1") = "6"
    & skf21("2","6","2","7","2","7","7","1") = "6"
    & skf21("2","6","2","7","3","1","1","1") = "6"
    & skf21("2","6","2","7","3","1","2","1") = "6"
    & skf21("2","6","2","7","3","1","3","1") = "6"
    & skf21("2","6","2","7","3","1","4","1") = "6"
    & skf21("2","6","2","7","3","1","5","1") = "6"
    & skf21("2","6","2","7","3","1","6","1") = "6"
    & skf21("2","6","2","7","3","1","7","1") = "6"
    & skf21("2","6","2","7","3","2","1","1") = "6"
    & skf21("2","6","2","7","3","2","2","1") = "6"
    & skf21("2","6","2","7","3","2","3","1") = "6"
    & skf21("2","6","2","7","3","2","4","1") = "6"
    & skf21("2","6","2","7","3","2","5","1") = "6"
    & skf21("2","6","2","7","3","2","6","1") = "6"
    & skf21("2","6","2","7","3","2","7","1") = "6"
    & skf21("2","6","2","7","3","3","1","1") = "6"
    & skf21("2","6","2","7","3","3","2","1") = "6"
    & skf21("2","6","2","7","3","3","3","1") = "6"
    & skf21("2","6","2","7","3","3","4","1") = "6"
    & skf21("2","6","2","7","3","3","5","1") = "6"
    & skf21("2","6","2","7","3","3","6","1") = "6"
    & skf21("2","6","2","7","3","3","7","1") = "6"
    & skf21("2","6","2","7","3","4","1","1") = "6"
    & skf21("2","6","2","7","3","4","2","1") = "6"
    & skf21("2","6","2","7","3","4","3","1") = "6"
    & skf21("2","6","2","7","3","4","4","1") = "6"
    & skf21("2","6","2","7","3","4","5","1") = "6"
    & skf21("2","6","2","7","3","4","6","1") = "6"
    & skf21("2","6","2","7","3","4","7","1") = "6"
    & skf21("2","6","2","7","3","5","1","1") = "6"
    & skf21("2","6","2","7","3","5","2","1") = "6"
    & skf21("2","6","2","7","3","5","3","1") = "6"
    & skf21("2","6","2","7","3","5","4","1") = "6"
    & skf21("2","6","2","7","3","5","5","1") = "6"
    & skf21("2","6","2","7","3","5","6","1") = "6"
    & skf21("2","6","2","7","3","5","7","1") = "6"
    & skf21("2","6","2","7","3","6","1","1") = "6"
    & skf21("2","6","2","7","3","6","2","1") = "6"
    & skf21("2","6","2","7","3","6","3","1") = "6"
    & skf21("2","6","2","7","3","6","4","1") = "6"
    & skf21("2","6","2","7","3","6","5","1") = "6"
    & skf21("2","6","2","7","3","6","6","1") = "6"
    & skf21("2","6","2","7","3","6","7","1") = "6"
    & skf21("2","6","2","7","3","7","1","1") = "6"
    & skf21("2","6","2","7","3","7","2","1") = "6"
    & skf21("2","6","2","7","3","7","3","1") = "6"
    & skf21("2","6","2","7","3","7","4","1") = "6"
    & skf21("2","6","2","7","3","7","5","1") = "6"
    & skf21("2","6","2","7","3","7","6","1") = "6"
    & skf21("2","6","2","7","3","7","7","1") = "6"
    & skf21("2","6","2","7","4","1","1","1") = "6"
    & skf21("2","6","2","7","4","1","2","1") = "6"
    & skf21("2","6","2","7","4","1","3","1") = "6"
    & skf21("2","6","2","7","4","1","4","1") = "6"
    & skf21("2","6","2","7","4","1","5","1") = "6"
    & skf21("2","6","2","7","4","1","6","1") = "6"
    & skf21("2","6","2","7","4","1","7","1") = "6"
    & skf21("2","6","2","7","4","2","1","1") = "6"
    & skf21("2","6","2","7","4","2","2","1") = "6"
    & skf21("2","6","2","7","4","2","3","1") = "6"
    & skf21("2","6","2","7","4","2","4","1") = "6"
    & skf21("2","6","2","7","4","2","5","1") = "6"
    & skf21("2","6","2","7","4","2","6","1") = "6"
    & skf21("2","6","2","7","4","2","7","1") = "6"
    & skf21("2","6","2","7","4","3","1","1") = "6"
    & skf21("2","6","2","7","4","3","2","1") = "6"
    & skf21("2","6","2","7","4","3","3","1") = "6"
    & skf21("2","6","2","7","4","3","4","1") = "6"
    & skf21("2","6","2","7","4","3","5","1") = "6"
    & skf21("2","6","2","7","4","3","6","1") = "6"
    & skf21("2","6","2","7","4","3","7","1") = "6"
    & skf21("2","6","2","7","4","4","1","1") = "6"
    & skf21("2","6","2","7","4","4","2","1") = "6"
    & skf21("2","6","2","7","4","4","3","1") = "6"
    & skf21("2","6","2","7","4","4","4","1") = "6"
    & skf21("2","6","2","7","4","4","5","1") = "6"
    & skf21("2","6","2","7","4","4","6","1") = "6"
    & skf21("2","6","2","7","4","4","7","1") = "6"
    & skf21("2","6","2","7","4","5","1","1") = "6"
    & skf21("2","6","2","7","4","5","2","1") = "6"
    & skf21("2","6","2","7","4","5","3","1") = "6"
    & skf21("2","6","2","7","4","5","4","1") = "6"
    & skf21("2","6","2","7","4","5","5","1") = "6"
    & skf21("2","6","2","7","4","5","6","1") = "6"
    & skf21("2","6","2","7","4","5","7","1") = "6"
    & skf21("2","6","2","7","4","6","1","1") = "6"
    & skf21("2","6","2","7","4","6","2","1") = "6"
    & skf21("2","6","2","7","4","6","3","1") = "6"
    & skf21("2","6","2","7","4","6","4","1") = "6"
    & skf21("2","6","2","7","4","6","5","1") = "6"
    & skf21("2","6","2","7","4","6","6","1") = "6"
    & skf21("2","6","2","7","4","6","7","1") = "6"
    & skf21("2","6","2","7","4","7","1","1") = "6"
    & skf21("2","6","2","7","4","7","2","1") = "6"
    & skf21("2","6","2","7","4","7","3","1") = "6"
    & skf21("2","6","2","7","4","7","4","1") = "6"
    & skf21("2","6","2","7","4","7","5","1") = "6"
    & skf21("2","6","2","7","4","7","6","1") = "6"
    & skf21("2","6","2","7","4","7","7","1") = "6"
    & skf21("2","6","2","7","5","1","1","1") = "6"
    & skf21("2","6","2","7","5","1","2","1") = "6"
    & skf21("2","6","2","7","5","1","3","1") = "6"
    & skf21("2","6","2","7","5","1","4","1") = "6"
    & skf21("2","6","2","7","5","1","5","1") = "6"
    & skf21("2","6","2","7","5","1","6","1") = "6"
    & skf21("2","6","2","7","5","1","7","1") = "6"
    & skf21("2","6","2","7","5","2","1","1") = "6"
    & skf21("2","6","2","7","5","2","2","1") = "6"
    & skf21("2","6","2","7","5","2","3","1") = "6"
    & skf21("2","6","2","7","5","2","4","1") = "6"
    & skf21("2","6","2","7","5","2","5","1") = "6"
    & skf21("2","6","2","7","5","2","6","1") = "6"
    & skf21("2","6","2","7","5","2","7","1") = "6"
    & skf21("2","6","2","7","5","3","1","1") = "6"
    & skf21("2","6","2","7","5","3","2","1") = "6"
    & skf21("2","6","2","7","5","3","3","1") = "6"
    & skf21("2","6","2","7","5","3","4","1") = "6"
    & skf21("2","6","2","7","5","3","5","1") = "6"
    & skf21("2","6","2","7","5","3","6","1") = "6"
    & skf21("2","6","2","7","5","3","7","1") = "6"
    & skf21("2","6","2","7","5","4","1","1") = "6"
    & skf21("2","6","2","7","5","4","2","1") = "6"
    & skf21("2","6","2","7","5","4","3","1") = "6"
    & skf21("2","6","2","7","5","4","4","1") = "6"
    & skf21("2","6","2","7","5","4","5","1") = "6"
    & skf21("2","6","2","7","5","4","6","1") = "6"
    & skf21("2","6","2","7","5","4","7","1") = "6"
    & skf21("2","6","2","7","5","5","1","1") = "6"
    & skf21("2","6","2","7","5","5","2","1") = "6"
    & skf21("2","6","2","7","5","5","3","1") = "6"
    & skf21("2","6","2","7","5","5","4","1") = "6"
    & skf21("2","6","2","7","5","5","5","1") = "6"
    & skf21("2","6","2","7","5","5","6","1") = "6"
    & skf21("2","6","2","7","5","5","7","1") = "6"
    & skf21("2","6","2","7","5","6","1","1") = "6"
    & skf21("2","6","2","7","5","6","2","1") = "6"
    & skf21("2","6","2","7","5","6","3","1") = "6"
    & skf21("2","6","2","7","5","6","4","1") = "6"
    & skf21("2","6","2","7","5","6","5","1") = "6"
    & skf21("2","6","2","7","5","6","6","1") = "6"
    & skf21("2","6","2","7","5","6","7","1") = "6"
    & skf21("2","6","2","7","5","7","1","1") = "6"
    & skf21("2","6","2","7","5","7","2","1") = "6"
    & skf21("2","6","2","7","5","7","3","1") = "6"
    & skf21("2","6","2","7","5","7","4","1") = "6"
    & skf21("2","6","2","7","5","7","5","1") = "6"
    & skf21("2","6","2","7","5","7","6","1") = "6"
    & skf21("2","6","2","7","5","7","7","1") = "6"
    & skf21("2","6","2","7","6","1","1","1") = "6"
    & skf21("2","6","2","7","6","1","2","1") = "6"
    & skf21("2","6","2","7","6","1","3","1") = "6"
    & skf21("2","6","2","7","6","1","4","1") = "6"
    & skf21("2","6","2","7","6","1","5","1") = "6"
    & skf21("2","6","2","7","6","1","6","1") = "6"
    & skf21("2","6","2","7","6","1","7","1") = "6"
    & skf21("2","6","2","7","6","2","1","1") = "6"
    & skf21("2","6","2","7","6","2","2","1") = "6"
    & skf21("2","6","2","7","6","2","3","1") = "6"
    & skf21("2","6","2","7","6","2","4","1") = "6"
    & skf21("2","6","2","7","6","2","5","1") = "6"
    & skf21("2","6","2","7","6","2","6","1") = "6"
    & skf21("2","6","2","7","6","2","7","1") = "6"
    & skf21("2","6","2","7","6","3","1","1") = "6"
    & skf21("2","6","2","7","6","3","2","1") = "6"
    & skf21("2","6","2","7","6","3","3","1") = "6"
    & skf21("2","6","2","7","6","3","4","1") = "6"
    & skf21("2","6","2","7","6","3","5","1") = "6"
    & skf21("2","6","2","7","6","3","6","1") = "6"
    & skf21("2","6","2","7","6","3","7","1") = "6"
    & skf21("2","6","2","7","6","4","1","1") = "6"
    & skf21("2","6","2","7","6","4","2","1") = "6"
    & skf21("2","6","2","7","6","4","3","1") = "6"
    & skf21("2","6","2","7","6","4","4","1") = "6"
    & skf21("2","6","2","7","6","4","5","1") = "6"
    & skf21("2","6","2","7","6","4","6","1") = "6"
    & skf21("2","6","2","7","6","4","7","1") = "6"
    & skf21("2","6","2","7","6","5","1","1") = "6"
    & skf21("2","6","2","7","6","5","2","1") = "6"
    & skf21("2","6","2","7","6","5","3","1") = "6"
    & skf21("2","6","2","7","6","5","4","1") = "6"
    & skf21("2","6","2","7","6","5","5","1") = "6"
    & skf21("2","6","2","7","6","5","6","1") = "6"
    & skf21("2","6","2","7","6","5","7","1") = "6"
    & skf21("2","6","2","7","6","6","1","1") = "6"
    & skf21("2","6","2","7","6","6","2","1") = "6"
    & skf21("2","6","2","7","6","6","3","1") = "6"
    & skf21("2","6","2","7","6","6","4","1") = "6"
    & skf21("2","6","2","7","6","6","5","1") = "6"
    & skf21("2","6","2","7","6","6","6","1") = "6"
    & skf21("2","6","2","7","6","6","7","1") = "6"
    & skf21("2","6","2","7","6","7","1","1") = "6"
    & skf21("2","6","2","7","6","7","2","1") = "6"
    & skf21("2","6","2","7","6","7","3","1") = "6"
    & skf21("2","6","2","7","6","7","4","1") = "6"
    & skf21("2","6","2","7","6","7","5","1") = "6"
    & skf21("2","6","2","7","6","7","6","1") = "6"
    & skf21("2","6","2","7","6","7","7","1") = "6"
    & skf21("2","6","2","7","7","1","1","1") = "6"
    & skf21("2","6","2","7","7","1","2","1") = "6"
    & skf21("2","6","2","7","7","1","3","1") = "6"
    & skf21("2","6","2","7","7","1","4","1") = "6"
    & skf21("2","6","2","7","7","1","5","1") = "6"
    & skf21("2","6","2","7","7","1","6","1") = "6"
    & skf21("2","6","2","7","7","1","7","1") = "6"
    & skf21("2","6","2","7","7","2","1","1") = "6"
    & skf21("2","6","2","7","7","2","2","1") = "6"
    & skf21("2","6","2","7","7","2","3","1") = "6"
    & skf21("2","6","2","7","7","2","4","1") = "6"
    & skf21("2","6","2","7","7","2","5","1") = "6"
    & skf21("2","6","2","7","7","2","6","1") = "6"
    & skf21("2","6","2","7","7","2","7","1") = "6"
    & skf21("2","6","2","7","7","3","1","1") = "6"
    & skf21("2","6","2","7","7","3","2","1") = "6"
    & skf21("2","6","2","7","7","3","3","1") = "6"
    & skf21("2","6","2","7","7","3","4","1") = "6"
    & skf21("2","6","2","7","7","3","5","1") = "6"
    & skf21("2","6","2","7","7","3","6","1") = "6"
    & skf21("2","6","2","7","7","3","7","1") = "6"
    & skf21("2","6","2","7","7","4","1","1") = "6"
    & skf21("2","6","2","7","7","4","2","1") = "6"
    & skf21("2","6","2","7","7","4","3","1") = "6"
    & skf21("2","6","2","7","7","4","4","1") = "6"
    & skf21("2","6","2","7","7","4","5","1") = "6"
    & skf21("2","6","2","7","7","4","6","1") = "6"
    & skf21("2","6","2","7","7","4","7","1") = "6"
    & skf21("2","6","2","7","7","5","1","1") = "6"
    & skf21("2","6","2","7","7","5","2","1") = "6"
    & skf21("2","6","2","7","7","5","3","1") = "6"
    & skf21("2","6","2","7","7","5","4","1") = "6"
    & skf21("2","6","2","7","7","5","5","1") = "6"
    & skf21("2","6","2","7","7","5","6","1") = "6"
    & skf21("2","6","2","7","7","5","7","1") = "6"
    & skf21("2","6","2","7","7","6","1","1") = "6"
    & skf21("2","6","2","7","7","6","2","1") = "6"
    & skf21("2","6","2","7","7","6","3","1") = "6"
    & skf21("2","6","2","7","7","6","4","1") = "6"
    & skf21("2","6","2","7","7","6","5","1") = "6"
    & skf21("2","6","2","7","7","6","6","1") = "6"
    & skf21("2","6","2","7","7","6","7","1") = "6"
    & skf21("2","6","2","7","7","7","1","1") = "6"
    & skf21("2","6","2","7","7","7","2","1") = "6"
    & skf21("2","6","2","7","7","7","3","1") = "6"
    & skf21("2","6","2","7","7","7","4","1") = "6"
    & skf21("2","6","2","7","7","7","5","1") = "6"
    & skf21("2","6","2","7","7","7","6","1") = "6"
    & skf21("2","6","2","7","7","7","7","1") = "6"
    & skf21("2","6","3","1","1","1","1","1") = "5"
    & skf21("2","6","3","1","1","1","2","1") = "5"
    & skf21("2","6","3","1","1","1","3","1") = "5"
    & skf21("2","6","3","1","1","1","4","1") = "5"
    & skf21("2","6","3","1","1","1","5","1") = "5"
    & skf21("2","6","3","1","1","1","6","1") = "5"
    & skf21("2","6","3","1","1","1","7","1") = "6"
    & skf21("2","6","3","1","1","2","1","1") = "5"
    & skf21("2","6","3","1","1","2","2","1") = "5"
    & skf21("2","6","3","1","1","2","3","1") = "5"
    & skf21("2","6","3","1","1","2","4","1") = "5"
    & skf21("2","6","3","1","1","2","5","1") = "5"
    & skf21("2","6","3","1","1","2","6","1") = "5"
    & skf21("2","6","3","1","1","2","7","1") = "6"
    & skf21("2","6","3","1","1","3","1","1") = "5"
    & skf21("2","6","3","1","1","3","2","1") = "5"
    & skf21("2","6","3","1","1","3","3","1") = "5"
    & skf21("2","6","3","1","1","3","4","1") = "5"
    & skf21("2","6","3","1","1","3","5","1") = "5"
    & skf21("2","6","3","1","1","3","6","1") = "5"
    & skf21("2","6","3","1","1","3","7","1") = "6"
    & skf21("2","6","3","1","1","4","1","1") = "5"
    & skf21("2","6","3","1","1","4","2","1") = "5"
    & skf21("2","6","3","1","1","4","3","1") = "5"
    & skf21("2","6","3","1","1","4","4","1") = "5"
    & skf21("2","6","3","1","1","4","5","1") = "5"
    & skf21("2","6","3","1","1","4","6","1") = "5"
    & skf21("2","6","3","1","1","4","7","1") = "6"
    & skf21("2","6","3","1","1","5","1","1") = "5"
    & skf21("2","6","3","1","1","5","2","1") = "5"
    & skf21("2","6","3","1","1","5","3","1") = "5"
    & skf21("2","6","3","1","1","5","4","1") = "5"
    & skf21("2","6","3","1","1","5","5","1") = "5"
    & skf21("2","6","3","1","1","5","6","1") = "5"
    & skf21("2","6","3","1","1","5","7","1") = "6"
    & skf21("2","6","3","1","1","6","1","1") = "5"
    & skf21("2","6","3","1","1","6","2","1") = "5"
    & skf21("2","6","3","1","1","6","3","1") = "5"
    & skf21("2","6","3","1","1","6","4","1") = "5"
    & skf21("2","6","3","1","1","6","5","1") = "5"
    & skf21("2","6","3","1","1","6","6","1") = "5"
    & skf21("2","6","3","1","1","6","7","1") = "6"
    & skf21("2","6","3","1","1","7","1","1") = "6"
    & skf21("2","6","3","1","1","7","2","1") = "6"
    & skf21("2","6","3","1","1","7","3","1") = "6"
    & skf21("2","6","3","1","1","7","4","1") = "6"
    & skf21("2","6","3","1","1","7","5","1") = "6"
    & skf21("2","6","3","1","1","7","6","1") = "6"
    & skf21("2","6","3","1","1","7","7","1") = "6"
    & skf21("2","6","3","1","2","1","1","1") = "5"
    & skf21("2","6","3","1","2","1","2","1") = "5"
    & skf21("2","6","3","1","2","1","3","1") = "5"
    & skf21("2","6","3","1","2","1","4","1") = "5"
    & skf21("2","6","3","1","2","1","5","1") = "5"
    & skf21("2","6","3","1","2","1","6","1") = "5"
    & skf21("2","6","3","1","2","1","7","1") = "6"
    & skf21("2","6","3","1","2","2","1","1") = "5"
    & skf21("2","6","3","1","2","2","2","1") = "5"
    & skf21("2","6","3","1","2","2","3","1") = "5"
    & skf21("2","6","3","1","2","2","4","1") = "5"
    & skf21("2","6","3","1","2","2","5","1") = "5"
    & skf21("2","6","3","1","2","2","6","1") = "5"
    & skf21("2","6","3","1","2","2","7","1") = "6"
    & skf21("2","6","3","1","2","3","1","1") = "5"
    & skf21("2","6","3","1","2","3","2","1") = "5"
    & skf21("2","6","3","1","2","3","3","1") = "5"
    & skf21("2","6","3","1","2","3","4","1") = "5"
    & skf21("2","6","3","1","2","3","5","1") = "5"
    & skf21("2","6","3","1","2","3","6","1") = "5"
    & skf21("2","6","3","1","2","3","7","1") = "6"
    & skf21("2","6","3","1","2","4","1","1") = "5"
    & skf21("2","6","3","1","2","4","2","1") = "5"
    & skf21("2","6","3","1","2","4","3","1") = "5"
    & skf21("2","6","3","1","2","4","4","1") = "5"
    & skf21("2","6","3","1","2","4","5","1") = "5"
    & skf21("2","6","3","1","2","4","6","1") = "5"
    & skf21("2","6","3","1","2","4","7","1") = "6"
    & skf21("2","6","3","1","2","5","1","1") = "5"
    & skf21("2","6","3","1","2","5","2","1") = "5"
    & skf21("2","6","3","1","2","5","3","1") = "5"
    & skf21("2","6","3","1","2","5","4","1") = "5"
    & skf21("2","6","3","1","2","5","5","1") = "5"
    & skf21("2","6","3","1","2","5","6","1") = "5"
    & skf21("2","6","3","1","2","5","7","1") = "6"
    & skf21("2","6","3","1","2","6","1","1") = "5"
    & skf21("2","6","3","1","2","6","2","1") = "5"
    & skf21("2","6","3","1","2","6","3","1") = "5"
    & skf21("2","6","3","1","2","6","4","1") = "5"
    & skf21("2","6","3","1","2","6","5","1") = "5"
    & skf21("2","6","3","1","2","6","6","1") = "5"
    & skf21("2","6","3","1","2","6","7","1") = "6"
    & skf21("2","6","3","1","2","7","1","1") = "6"
    & skf21("2","6","3","1","2","7","2","1") = "6"
    & skf21("2","6","3","1","2","7","3","1") = "6"
    & skf21("2","6","3","1","2","7","4","1") = "6"
    & skf21("2","6","3","1","2","7","5","1") = "6"
    & skf21("2","6","3","1","2","7","6","1") = "6"
    & skf21("2","6","3","1","2","7","7","1") = "6"
    & skf21("2","6","3","1","3","1","1","1") = "5"
    & skf21("2","6","3","1","3","1","2","1") = "5"
    & skf21("2","6","3","1","3","1","3","1") = "5"
    & skf21("2","6","3","1","3","1","4","1") = "5"
    & skf21("2","6","3","1","3","1","5","1") = "5"
    & skf21("2","6","3","1","3","1","6","1") = "5"
    & skf21("2","6","3","1","3","1","7","1") = "6"
    & skf21("2","6","3","1","3","2","1","1") = "5"
    & skf21("2","6","3","1","3","2","2","1") = "5"
    & skf21("2","6","3","1","3","2","3","1") = "5"
    & skf21("2","6","3","1","3","2","4","1") = "5"
    & skf21("2","6","3","1","3","2","5","1") = "5"
    & skf21("2","6","3","1","3","2","6","1") = "5"
    & skf21("2","6","3","1","3","2","7","1") = "6"
    & skf21("2","6","3","1","3","3","1","1") = "5"
    & skf21("2","6","3","1","3","3","2","1") = "5"
    & skf21("2","6","3","1","3","3","3","1") = "5"
    & skf21("2","6","3","1","3","3","4","1") = "5"
    & skf21("2","6","3","1","3","3","5","1") = "5"
    & skf21("2","6","3","1","3","3","6","1") = "5"
    & skf21("2","6","3","1","3","3","7","1") = "6"
    & skf21("2","6","3","1","3","4","1","1") = "5"
    & skf21("2","6","3","1","3","4","2","1") = "5"
    & skf21("2","6","3","1","3","4","3","1") = "5"
    & skf21("2","6","3","1","3","4","4","1") = "5"
    & skf21("2","6","3","1","3","4","5","1") = "5"
    & skf21("2","6","3","1","3","4","6","1") = "5"
    & skf21("2","6","3","1","3","4","7","1") = "6"
    & skf21("2","6","3","1","3","5","1","1") = "5"
    & skf21("2","6","3","1","3","5","2","1") = "5"
    & skf21("2","6","3","1","3","5","3","1") = "5"
    & skf21("2","6","3","1","3","5","4","1") = "5"
    & skf21("2","6","3","1","3","5","5","1") = "5"
    & skf21("2","6","3","1","3","5","6","1") = "5"
    & skf21("2","6","3","1","3","5","7","1") = "6"
    & skf21("2","6","3","1","3","6","1","1") = "5"
    & skf21("2","6","3","1","3","6","2","1") = "5"
    & skf21("2","6","3","1","3","6","3","1") = "5"
    & skf21("2","6","3","1","3","6","4","1") = "5"
    & skf21("2","6","3","1","3","6","5","1") = "5"
    & skf21("2","6","3","1","3","6","6","1") = "5"
    & skf21("2","6","3","1","3","6","7","1") = "6"
    & skf21("2","6","3","1","3","7","1","1") = "6"
    & skf21("2","6","3","1","3","7","2","1") = "6"
    & skf21("2","6","3","1","3","7","3","1") = "6"
    & skf21("2","6","3","1","3","7","4","1") = "6"
    & skf21("2","6","3","1","3","7","5","1") = "6"
    & skf21("2","6","3","1","3","7","6","1") = "6"
    & skf21("2","6","3","1","3","7","7","1") = "6"
    & skf21("2","6","3","1","4","1","1","1") = "5"
    & skf21("2","6","3","1","4","1","2","1") = "5"
    & skf21("2","6","3","1","4","1","3","1") = "5"
    & skf21("2","6","3","1","4","1","4","1") = "5"
    & skf21("2","6","3","1","4","1","5","1") = "5"
    & skf21("2","6","3","1","4","1","6","1") = "5"
    & skf21("2","6","3","1","4","1","7","1") = "6"
    & skf21("2","6","3","1","4","2","1","1") = "5"
    & skf21("2","6","3","1","4","2","2","1") = "5"
    & skf21("2","6","3","1","4","2","3","1") = "5"
    & skf21("2","6","3","1","4","2","4","1") = "5"
    & skf21("2","6","3","1","4","2","5","1") = "5"
    & skf21("2","6","3","1","4","2","6","1") = "5"
    & skf21("2","6","3","1","4","2","7","1") = "6"
    & skf21("2","6","3","1","4","3","1","1") = "5"
    & skf21("2","6","3","1","4","3","2","1") = "5"
    & skf21("2","6","3","1","4","3","3","1") = "5"
    & skf21("2","6","3","1","4","3","4","1") = "5"
    & skf21("2","6","3","1","4","3","5","1") = "5"
    & skf21("2","6","3","1","4","3","6","1") = "5"
    & skf21("2","6","3","1","4","3","7","1") = "6"
    & skf21("2","6","3","1","4","4","1","1") = "5"
    & skf21("2","6","3","1","4","4","2","1") = "5"
    & skf21("2","6","3","1","4","4","3","1") = "5"
    & skf21("2","6","3","1","4","4","4","1") = "5"
    & skf21("2","6","3","1","4","4","5","1") = "5"
    & skf21("2","6","3","1","4","4","6","1") = "5"
    & skf21("2","6","3","1","4","4","7","1") = "6"
    & skf21("2","6","3","1","4","5","1","1") = "5"
    & skf21("2","6","3","1","4","5","2","1") = "5"
    & skf21("2","6","3","1","4","5","3","1") = "5"
    & skf21("2","6","3","1","4","5","4","1") = "5"
    & skf21("2","6","3","1","4","5","5","1") = "5"
    & skf21("2","6","3","1","4","5","6","1") = "5"
    & skf21("2","6","3","1","4","5","7","1") = "6"
    & skf21("2","6","3","1","4","6","1","1") = "5"
    & skf21("2","6","3","1","4","6","2","1") = "5"
    & skf21("2","6","3","1","4","6","3","1") = "5"
    & skf21("2","6","3","1","4","6","4","1") = "5"
    & skf21("2","6","3","1","4","6","5","1") = "5"
    & skf21("2","6","3","1","4","6","6","1") = "5"
    & skf21("2","6","3","1","4","6","7","1") = "6"
    & skf21("2","6","3","1","4","7","1","1") = "6"
    & skf21("2","6","3","1","4","7","2","1") = "6"
    & skf21("2","6","3","1","4","7","3","1") = "6"
    & skf21("2","6","3","1","4","7","4","1") = "6"
    & skf21("2","6","3","1","4","7","5","1") = "6"
    & skf21("2","6","3","1","4","7","6","1") = "6"
    & skf21("2","6","3","1","4","7","7","1") = "6"
    & skf21("2","6","3","1","5","1","1","1") = "5"
    & skf21("2","6","3","1","5","1","2","1") = "5"
    & skf21("2","6","3","1","5","1","3","1") = "5"
    & skf21("2","6","3","1","5","1","4","1") = "5"
    & skf21("2","6","3","1","5","1","5","1") = "5"
    & skf21("2","6","3","1","5","1","6","1") = "5"
    & skf21("2","6","3","1","5","1","7","1") = "6"
    & skf21("2","6","3","1","5","2","1","1") = "5"
    & skf21("2","6","3","1","5","2","2","1") = "5"
    & skf21("2","6","3","1","5","2","3","1") = "5"
    & skf21("2","6","3","1","5","2","4","1") = "5"
    & skf21("2","6","3","1","5","2","5","1") = "5"
    & skf21("2","6","3","1","5","2","6","1") = "5"
    & skf21("2","6","3","1","5","2","7","1") = "6"
    & skf21("2","6","3","1","5","3","1","1") = "5"
    & skf21("2","6","3","1","5","3","2","1") = "5"
    & skf21("2","6","3","1","5","3","3","1") = "5"
    & skf21("2","6","3","1","5","3","4","1") = "5"
    & skf21("2","6","3","1","5","3","5","1") = "5"
    & skf21("2","6","3","1","5","3","6","1") = "5"
    & skf21("2","6","3","1","5","3","7","1") = "6"
    & skf21("2","6","3","1","5","4","1","1") = "5"
    & skf21("2","6","3","1","5","4","2","1") = "5"
    & skf21("2","6","3","1","5","4","3","1") = "5"
    & skf21("2","6","3","1","5","4","4","1") = "5"
    & skf21("2","6","3","1","5","4","5","1") = "5"
    & skf21("2","6","3","1","5","4","6","1") = "5"
    & skf21("2","6","3","1","5","4","7","1") = "6"
    & skf21("2","6","3","1","5","5","1","1") = "5"
    & skf21("2","6","3","1","5","5","2","1") = "5"
    & skf21("2","6","3","1","5","5","3","1") = "5"
    & skf21("2","6","3","1","5","5","4","1") = "5"
    & skf21("2","6","3","1","5","5","5","1") = "5"
    & skf21("2","6","3","1","5","5","6","1") = "5"
    & skf21("2","6","3","1","5","5","7","1") = "6"
    & skf21("2","6","3","1","5","6","1","1") = "5"
    & skf21("2","6","3","1","5","6","2","1") = "5"
    & skf21("2","6","3","1","5","6","3","1") = "5"
    & skf21("2","6","3","1","5","6","4","1") = "5"
    & skf21("2","6","3","1","5","6","5","1") = "5"
    & skf21("2","6","3","1","5","6","6","1") = "5"
    & skf21("2","6","3","1","5","6","7","1") = "6"
    & skf21("2","6","3","1","5","7","1","1") = "6"
    & skf21("2","6","3","1","5","7","2","1") = "6"
    & skf21("2","6","3","1","5","7","3","1") = "6"
    & skf21("2","6","3","1","5","7","4","1") = "6"
    & skf21("2","6","3","1","5","7","5","1") = "6"
    & skf21("2","6","3","1","5","7","6","1") = "6"
    & skf21("2","6","3","1","5","7","7","1") = "6"
    & skf21("2","6","3","1","6","1","1","1") = "5"
    & skf21("2","6","3","1","6","1","2","1") = "5"
    & skf21("2","6","3","1","6","1","3","1") = "5"
    & skf21("2","6","3","1","6","1","4","1") = "5"
    & skf21("2","6","3","1","6","1","5","1") = "5"
    & skf21("2","6","3","1","6","1","6","1") = "5"
    & skf21("2","6","3","1","6","1","7","1") = "6"
    & skf21("2","6","3","1","6","2","1","1") = "5"
    & skf21("2","6","3","1","6","2","2","1") = "5"
    & skf21("2","6","3","1","6","2","3","1") = "5"
    & skf21("2","6","3","1","6","2","4","1") = "5"
    & skf21("2","6","3","1","6","2","5","1") = "5"
    & skf21("2","6","3","1","6","2","6","1") = "5"
    & skf21("2","6","3","1","6","2","7","1") = "6"
    & skf21("2","6","3","1","6","3","1","1") = "5"
    & skf21("2","6","3","1","6","3","2","1") = "5"
    & skf21("2","6","3","1","6","3","3","1") = "5"
    & skf21("2","6","3","1","6","3","4","1") = "5"
    & skf21("2","6","3","1","6","3","5","1") = "5"
    & skf21("2","6","3","1","6","3","6","1") = "5"
    & skf21("2","6","3","1","6","3","7","1") = "6"
    & skf21("2","6","3","1","6","4","1","1") = "5"
    & skf21("2","6","3","1","6","4","2","1") = "5"
    & skf21("2","6","3","1","6","4","3","1") = "5"
    & skf21("2","6","3","1","6","4","4","1") = "5"
    & skf21("2","6","3","1","6","4","5","1") = "5"
    & skf21("2","6","3","1","6","4","6","1") = "5"
    & skf21("2","6","3","1","6","4","7","1") = "6"
    & skf21("2","6","3","1","6","5","1","1") = "5"
    & skf21("2","6","3","1","6","5","2","1") = "5"
    & skf21("2","6","3","1","6","5","3","1") = "5"
    & skf21("2","6","3","1","6","5","4","1") = "5"
    & skf21("2","6","3","1","6","5","5","1") = "5"
    & skf21("2","6","3","1","6","5","6","1") = "5"
    & skf21("2","6","3","1","6","5","7","1") = "6"
    & skf21("2","6","3","1","6","6","1","1") = "5"
    & skf21("2","6","3","1","6","6","2","1") = "5"
    & skf21("2","6","3","1","6","6","3","1") = "5"
    & skf21("2","6","3","1","6","6","4","1") = "5"
    & skf21("2","6","3","1","6","6","5","1") = "5"
    & skf21("2","6","3","1","6","6","6","1") = "5"
    & skf21("2","6","3","1","6","6","7","1") = "6"
    & skf21("2","6","3","1","6","7","1","1") = "6"
    & skf21("2","6","3","1","6","7","2","1") = "6"
    & skf21("2","6","3","1","6","7","3","1") = "6"
    & skf21("2","6","3","1","6","7","4","1") = "6"
    & skf21("2","6","3","1","6","7","5","1") = "6"
    & skf21("2","6","3","1","6","7","6","1") = "6"
    & skf21("2","6","3","1","6","7","7","1") = "6"
    & skf21("2","6","3","1","7","1","1","1") = "6"
    & skf21("2","6","3","1","7","1","2","1") = "6"
    & skf21("2","6","3","1","7","1","3","1") = "6"
    & skf21("2","6","3","1","7","1","4","1") = "6"
    & skf21("2","6","3","1","7","1","5","1") = "6"
    & skf21("2","6","3","1","7","1","6","1") = "6"
    & skf21("2","6","3","1","7","1","7","1") = "6"
    & skf21("2","6","3","1","7","2","1","1") = "6"
    & skf21("2","6","3","1","7","2","2","1") = "6"
    & skf21("2","6","3","1","7","2","3","1") = "6"
    & skf21("2","6","3","1","7","2","4","1") = "6"
    & skf21("2","6","3","1","7","2","5","1") = "6"
    & skf21("2","6","3","1","7","2","6","1") = "6"
    & skf21("2","6","3","1","7","2","7","1") = "6"
    & skf21("2","6","3","1","7","3","1","1") = "6"
    & skf21("2","6","3","1","7","3","2","1") = "6"
    & skf21("2","6","3","1","7","3","3","1") = "6"
    & skf21("2","6","3","1","7","3","4","1") = "6"
    & skf21("2","6","3","1","7","3","5","1") = "6"
    & skf21("2","6","3","1","7","3","6","1") = "6"
    & skf21("2","6","3","1","7","3","7","1") = "6"
    & skf21("2","6","3","1","7","4","1","1") = "6"
    & skf21("2","6","3","1","7","4","2","1") = "6"
    & skf21("2","6","3","1","7","4","3","1") = "6"
    & skf21("2","6","3","1","7","4","4","1") = "6"
    & skf21("2","6","3","1","7","4","5","1") = "6"
    & skf21("2","6","3","1","7","4","6","1") = "6"
    & skf21("2","6","3","1","7","4","7","1") = "6"
    & skf21("2","6","3","1","7","5","1","1") = "6"
    & skf21("2","6","3","1","7","5","2","1") = "6"
    & skf21("2","6","3","1","7","5","3","1") = "6"
    & skf21("2","6","3","1","7","5","4","1") = "6"
    & skf21("2","6","3","1","7","5","5","1") = "6"
    & skf21("2","6","3","1","7","5","6","1") = "6"
    & skf21("2","6","3","1","7","5","7","1") = "6"
    & skf21("2","6","3","1","7","6","1","1") = "6"
    & skf21("2","6","3","1","7","6","2","1") = "6"
    & skf21("2","6","3","1","7","6","3","1") = "6"
    & skf21("2","6","3","1","7","6","4","1") = "6"
    & skf21("2","6","3","1","7","6","5","1") = "6"
    & skf21("2","6","3","1","7","6","6","1") = "6"
    & skf21("2","6","3","1","7","6","7","1") = "6"
    & skf21("2","6","3","1","7","7","1","1") = "6"
    & skf21("2","6","3","1","7","7","2","1") = "6"
    & skf21("2","6","3","1","7","7","3","1") = "6"
    & skf21("2","6","3","1","7","7","4","1") = "6"
    & skf21("2","6","3","1","7","7","5","1") = "6"
    & skf21("2","6","3","1","7","7","6","1") = "6"
    & skf21("2","6","3","1","7","7","7","1") = "6"
    & skf21("2","6","3","2","1","1","1","1") = "5"
    & skf21("2","6","3","2","1","1","2","1") = "5"
    & skf21("2","6","3","2","1","1","3","1") = "5"
    & skf21("2","6","3","2","1","1","4","1") = "5"
    & skf21("2","6","3","2","1","1","5","1") = "5"
    & skf21("2","6","3","2","1","1","6","1") = "5"
    & skf21("2","6","3","2","1","1","7","1") = "6"
    & skf21("2","6","3","2","1","2","1","1") = "5"
    & skf21("2","6","3","2","1","2","2","1") = "5"
    & skf21("2","6","3","2","1","2","3","1") = "5"
    & skf21("2","6","3","2","1","2","4","1") = "5"
    & skf21("2","6","3","2","1","2","5","1") = "5"
    & skf21("2","6","3","2","1","2","6","1") = "5"
    & skf21("2","6","3","2","1","2","7","1") = "6"
    & skf21("2","6","3","2","1","3","1","1") = "5"
    & skf21("2","6","3","2","1","3","2","1") = "5"
    & skf21("2","6","3","2","1","3","3","1") = "5"
    & skf21("2","6","3","2","1","3","4","1") = "5"
    & skf21("2","6","3","2","1","3","5","1") = "5"
    & skf21("2","6","3","2","1","3","6","1") = "5"
    & skf21("2","6","3","2","1","3","7","1") = "6"
    & skf21("2","6","3","2","1","4","1","1") = "5"
    & skf21("2","6","3","2","1","4","2","1") = "5"
    & skf21("2","6","3","2","1","4","3","1") = "5"
    & skf21("2","6","3","2","1","4","4","1") = "5"
    & skf21("2","6","3","2","1","4","5","1") = "5"
    & skf21("2","6","3","2","1","4","6","1") = "5"
    & skf21("2","6","3","2","1","4","7","1") = "6"
    & skf21("2","6","3","2","1","5","1","1") = "5"
    & skf21("2","6","3","2","1","5","2","1") = "5"
    & skf21("2","6","3","2","1","5","3","1") = "5"
    & skf21("2","6","3","2","1","5","4","1") = "5"
    & skf21("2","6","3","2","1","5","5","1") = "5"
    & skf21("2","6","3","2","1","5","6","1") = "5"
    & skf21("2","6","3","2","1","5","7","1") = "6"
    & skf21("2","6","3","2","1","6","1","1") = "5"
    & skf21("2","6","3","2","1","6","2","1") = "5"
    & skf21("2","6","3","2","1","6","3","1") = "5"
    & skf21("2","6","3","2","1","6","4","1") = "5"
    & skf21("2","6","3","2","1","6","5","1") = "5"
    & skf21("2","6","3","2","1","6","6","1") = "5"
    & skf21("2","6","3","2","1","6","7","1") = "6"
    & skf21("2","6","3","2","1","7","1","1") = "6"
    & skf21("2","6","3","2","1","7","2","1") = "6"
    & skf21("2","6","3","2","1","7","3","1") = "6"
    & skf21("2","6","3","2","1","7","4","1") = "6"
    & skf21("2","6","3","2","1","7","5","1") = "6"
    & skf21("2","6","3","2","1","7","6","1") = "6"
    & skf21("2","6","3","2","1","7","7","1") = "6"
    & skf21("2","6","3","2","2","1","1","1") = "5"
    & skf21("2","6","3","2","2","1","2","1") = "5"
    & skf21("2","6","3","2","2","1","3","1") = "5"
    & skf21("2","6","3","2","2","1","4","1") = "5"
    & skf21("2","6","3","2","2","1","5","1") = "5"
    & skf21("2","6","3","2","2","1","6","1") = "5"
    & skf21("2","6","3","2","2","1","7","1") = "6"
    & skf21("2","6","3","2","2","2","1","1") = "5"
    & skf21("2","6","3","2","2","2","2","1") = "5"
    & skf21("2","6","3","2","2","2","3","1") = "5"
    & skf21("2","6","3","2","2","2","4","1") = "5"
    & skf21("2","6","3","2","2","2","5","1") = "5"
    & skf21("2","6","3","2","2","2","6","1") = "5"
    & skf21("2","6","3","2","2","2","7","1") = "6"
    & skf21("2","6","3","2","2","3","1","1") = "5"
    & skf21("2","6","3","2","2","3","2","1") = "5"
    & skf21("2","6","3","2","2","3","3","1") = "5"
    & skf21("2","6","3","2","2","3","4","1") = "5"
    & skf21("2","6","3","2","2","3","5","1") = "5"
    & skf21("2","6","3","2","2","3","6","1") = "5"
    & skf21("2","6","3","2","2","3","7","1") = "6"
    & skf21("2","6","3","2","2","4","1","1") = "5"
    & skf21("2","6","3","2","2","4","2","1") = "5"
    & skf21("2","6","3","2","2","4","3","1") = "5"
    & skf21("2","6","3","2","2","4","4","1") = "5"
    & skf21("2","6","3","2","2","4","5","1") = "5"
    & skf21("2","6","3","2","2","4","6","1") = "5"
    & skf21("2","6","3","2","2","4","7","1") = "6"
    & skf21("2","6","3","2","2","5","1","1") = "5"
    & skf21("2","6","3","2","2","5","2","1") = "5"
    & skf21("2","6","3","2","2","5","3","1") = "5"
    & skf21("2","6","3","2","2","5","4","1") = "5"
    & skf21("2","6","3","2","2","5","5","1") = "5"
    & skf21("2","6","3","2","2","5","6","1") = "5"
    & skf21("2","6","3","2","2","5","7","1") = "6"
    & skf21("2","6","3","2","2","6","1","1") = "5"
    & skf21("2","6","3","2","2","6","2","1") = "5"
    & skf21("2","6","3","2","2","6","3","1") = "5"
    & skf21("2","6","3","2","2","6","4","1") = "5"
    & skf21("2","6","3","2","2","6","5","1") = "5"
    & skf21("2","6","3","2","2","6","6","1") = "5"
    & skf21("2","6","3","2","2","6","7","1") = "6"
    & skf21("2","6","3","2","2","7","1","1") = "6"
    & skf21("2","6","3","2","2","7","2","1") = "6"
    & skf21("2","6","3","2","2","7","3","1") = "6"
    & skf21("2","6","3","2","2","7","4","1") = "6"
    & skf21("2","6","3","2","2","7","5","1") = "6"
    & skf21("2","6","3","2","2","7","6","1") = "6"
    & skf21("2","6","3","2","2","7","7","1") = "6"
    & skf21("2","6","3","2","3","1","1","1") = "5"
    & skf21("2","6","3","2","3","1","2","1") = "5"
    & skf21("2","6","3","2","3","1","3","1") = "5"
    & skf21("2","6","3","2","3","1","4","1") = "5"
    & skf21("2","6","3","2","3","1","5","1") = "5"
    & skf21("2","6","3","2","3","1","6","1") = "5"
    & skf21("2","6","3","2","3","1","7","1") = "6"
    & skf21("2","6","3","2","3","2","1","1") = "5"
    & skf21("2","6","3","2","3","2","2","1") = "5"
    & skf21("2","6","3","2","3","2","3","1") = "5"
    & skf21("2","6","3","2","3","2","4","1") = "5"
    & skf21("2","6","3","2","3","2","5","1") = "5"
    & skf21("2","6","3","2","3","2","6","1") = "5"
    & skf21("2","6","3","2","3","2","7","1") = "6"
    & skf21("2","6","3","2","3","3","1","1") = "5"
    & skf21("2","6","3","2","3","3","2","1") = "5"
    & skf21("2","6","3","2","3","3","3","1") = "5"
    & skf21("2","6","3","2","3","3","4","1") = "5"
    & skf21("2","6","3","2","3","3","5","1") = "5"
    & skf21("2","6","3","2","3","3","6","1") = "5"
    & skf21("2","6","3","2","3","3","7","1") = "6"
    & skf21("2","6","3","2","3","4","1","1") = "5"
    & skf21("2","6","3","2","3","4","2","1") = "5"
    & skf21("2","6","3","2","3","4","3","1") = "5"
    & skf21("2","6","3","2","3","4","4","1") = "5"
    & skf21("2","6","3","2","3","4","5","1") = "5"
    & skf21("2","6","3","2","3","4","6","1") = "5"
    & skf21("2","6","3","2","3","4","7","1") = "6"
    & skf21("2","6","3","2","3","5","1","1") = "5"
    & skf21("2","6","3","2","3","5","2","1") = "5"
    & skf21("2","6","3","2","3","5","3","1") = "5"
    & skf21("2","6","3","2","3","5","4","1") = "5"
    & skf21("2","6","3","2","3","5","5","1") = "5"
    & skf21("2","6","3","2","3","5","6","1") = "5"
    & skf21("2","6","3","2","3","5","7","1") = "6"
    & skf21("2","6","3","2","3","6","1","1") = "5"
    & skf21("2","6","3","2","3","6","2","1") = "5"
    & skf21("2","6","3","2","3","6","3","1") = "5"
    & skf21("2","6","3","2","3","6","4","1") = "5"
    & skf21("2","6","3","2","3","6","5","1") = "5"
    & skf21("2","6","3","2","3","6","6","1") = "5"
    & skf21("2","6","3","2","3","6","7","1") = "6"
    & skf21("2","6","3","2","3","7","1","1") = "6"
    & skf21("2","6","3","2","3","7","2","1") = "6"
    & skf21("2","6","3","2","3","7","3","1") = "6"
    & skf21("2","6","3","2","3","7","4","1") = "6"
    & skf21("2","6","3","2","3","7","5","1") = "6"
    & skf21("2","6","3","2","3","7","6","1") = "6"
    & skf21("2","6","3","2","3","7","7","1") = "6"
    & skf21("2","6","3","2","4","1","1","1") = "5"
    & skf21("2","6","3","2","4","1","2","1") = "5"
    & skf21("2","6","3","2","4","1","3","1") = "5"
    & skf21("2","6","3","2","4","1","4","1") = "5"
    & skf21("2","6","3","2","4","1","5","1") = "5"
    & skf21("2","6","3","2","4","1","6","1") = "5"
    & skf21("2","6","3","2","4","1","7","1") = "6"
    & skf21("2","6","3","2","4","2","1","1") = "5"
    & skf21("2","6","3","2","4","2","2","1") = "5"
    & skf21("2","6","3","2","4","2","3","1") = "5"
    & skf21("2","6","3","2","4","2","4","1") = "5"
    & skf21("2","6","3","2","4","2","5","1") = "5"
    & skf21("2","6","3","2","4","2","6","1") = "5"
    & skf21("2","6","3","2","4","2","7","1") = "6"
    & skf21("2","6","3","2","4","3","1","1") = "5"
    & skf21("2","6","3","2","4","3","2","1") = "5"
    & skf21("2","6","3","2","4","3","3","1") = "5"
    & skf21("2","6","3","2","4","3","4","1") = "5"
    & skf21("2","6","3","2","4","3","5","1") = "5"
    & skf21("2","6","3","2","4","3","6","1") = "5"
    & skf21("2","6","3","2","4","3","7","1") = "6"
    & skf21("2","6","3","2","4","4","1","1") = "5"
    & skf21("2","6","3","2","4","4","2","1") = "5"
    & skf21("2","6","3","2","4","4","3","1") = "5"
    & skf21("2","6","3","2","4","4","4","1") = "5"
    & skf21("2","6","3","2","4","4","5","1") = "5"
    & skf21("2","6","3","2","4","4","6","1") = "5"
    & skf21("2","6","3","2","4","4","7","1") = "6"
    & skf21("2","6","3","2","4","5","1","1") = "5"
    & skf21("2","6","3","2","4","5","2","1") = "5"
    & skf21("2","6","3","2","4","5","3","1") = "5"
    & skf21("2","6","3","2","4","5","4","1") = "5"
    & skf21("2","6","3","2","4","5","5","1") = "5"
    & skf21("2","6","3","2","4","5","6","1") = "5"
    & skf21("2","6","3","2","4","5","7","1") = "6"
    & skf21("2","6","3","2","4","6","1","1") = "5"
    & skf21("2","6","3","2","4","6","2","1") = "5"
    & skf21("2","6","3","2","4","6","3","1") = "5"
    & skf21("2","6","3","2","4","6","4","1") = "5"
    & skf21("2","6","3","2","4","6","5","1") = "5"
    & skf21("2","6","3","2","4","6","6","1") = "5"
    & skf21("2","6","3","2","4","6","7","1") = "6"
    & skf21("2","6","3","2","4","7","1","1") = "6"
    & skf21("2","6","3","2","4","7","2","1") = "6"
    & skf21("2","6","3","2","4","7","3","1") = "6"
    & skf21("2","6","3","2","4","7","4","1") = "6"
    & skf21("2","6","3","2","4","7","5","1") = "6"
    & skf21("2","6","3","2","4","7","6","1") = "6"
    & skf21("2","6","3","2","4","7","7","1") = "6"
    & skf21("2","6","3","2","5","1","1","1") = "5"
    & skf21("2","6","3","2","5","1","2","1") = "5"
    & skf21("2","6","3","2","5","1","3","1") = "5"
    & skf21("2","6","3","2","5","1","4","1") = "5"
    & skf21("2","6","3","2","5","1","5","1") = "5"
    & skf21("2","6","3","2","5","1","6","1") = "5"
    & skf21("2","6","3","2","5","1","7","1") = "6"
    & skf21("2","6","3","2","5","2","1","1") = "5"
    & skf21("2","6","3","2","5","2","2","1") = "5"
    & skf21("2","6","3","2","5","2","3","1") = "5"
    & skf21("2","6","3","2","5","2","4","1") = "5"
    & skf21("2","6","3","2","5","2","5","1") = "5"
    & skf21("2","6","3","2","5","2","6","1") = "5"
    & skf21("2","6","3","2","5","2","7","1") = "6"
    & skf21("2","6","3","2","5","3","1","1") = "5"
    & skf21("2","6","3","2","5","3","2","1") = "5"
    & skf21("2","6","3","2","5","3","3","1") = "5"
    & skf21("2","6","3","2","5","3","4","1") = "5"
    & skf21("2","6","3","2","5","3","5","1") = "5"
    & skf21("2","6","3","2","5","3","6","1") = "5"
    & skf21("2","6","3","2","5","3","7","1") = "6"
    & skf21("2","6","3","2","5","4","1","1") = "5"
    & skf21("2","6","3","2","5","4","2","1") = "5"
    & skf21("2","6","3","2","5","4","3","1") = "5"
    & skf21("2","6","3","2","5","4","4","1") = "5"
    & skf21("2","6","3","2","5","4","5","1") = "5"
    & skf21("2","6","3","2","5","4","6","1") = "5"
    & skf21("2","6","3","2","5","4","7","1") = "6"
    & skf21("2","6","3","2","5","5","1","1") = "5"
    & skf21("2","6","3","2","5","5","2","1") = "5"
    & skf21("2","6","3","2","5","5","3","1") = "5"
    & skf21("2","6","3","2","5","5","4","1") = "5"
    & skf21("2","6","3","2","5","5","5","1") = "5"
    & skf21("2","6","3","2","5","5","6","1") = "5"
    & skf21("2","6","3","2","5","5","7","1") = "6"
    & skf21("2","6","3","2","5","6","1","1") = "5"
    & skf21("2","6","3","2","5","6","2","1") = "5"
    & skf21("2","6","3","2","5","6","3","1") = "5"
    & skf21("2","6","3","2","5","6","4","1") = "5"
    & skf21("2","6","3","2","5","6","5","1") = "5"
    & skf21("2","6","3","2","5","6","6","1") = "5"
    & skf21("2","6","3","2","5","6","7","1") = "6"
    & skf21("2","6","3","2","5","7","1","1") = "6"
    & skf21("2","6","3","2","5","7","2","1") = "6"
    & skf21("2","6","3","2","5","7","3","1") = "6"
    & skf21("2","6","3","2","5","7","4","1") = "6"
    & skf21("2","6","3","2","5","7","5","1") = "6"
    & skf21("2","6","3","2","5","7","6","1") = "6"
    & skf21("2","6","3","2","5","7","7","1") = "6"
    & skf21("2","6","3","2","6","1","1","1") = "5"
    & skf21("2","6","3","2","6","1","2","1") = "5"
    & skf21("2","6","3","2","6","1","3","1") = "5"
    & skf21("2","6","3","2","6","1","4","1") = "5"
    & skf21("2","6","3","2","6","1","5","1") = "5"
    & skf21("2","6","3","2","6","1","6","1") = "5"
    & skf21("2","6","3","2","6","1","7","1") = "6"
    & skf21("2","6","3","2","6","2","1","1") = "5"
    & skf21("2","6","3","2","6","2","2","1") = "5"
    & skf21("2","6","3","2","6","2","3","1") = "5"
    & skf21("2","6","3","2","6","2","4","1") = "5"
    & skf21("2","6","3","2","6","2","5","1") = "5"
    & skf21("2","6","3","2","6","2","6","1") = "5"
    & skf21("2","6","3","2","6","2","7","1") = "6"
    & skf21("2","6","3","2","6","3","1","1") = "5"
    & skf21("2","6","3","2","6","3","2","1") = "5"
    & skf21("2","6","3","2","6","3","3","1") = "5"
    & skf21("2","6","3","2","6","3","4","1") = "5"
    & skf21("2","6","3","2","6","3","5","1") = "5"
    & skf21("2","6","3","2","6","3","6","1") = "5"
    & skf21("2","6","3","2","6","3","7","1") = "6"
    & skf21("2","6","3","2","6","4","1","1") = "5"
    & skf21("2","6","3","2","6","4","2","1") = "5"
    & skf21("2","6","3","2","6","4","3","1") = "5"
    & skf21("2","6","3","2","6","4","4","1") = "5"
    & skf21("2","6","3","2","6","4","5","1") = "5"
    & skf21("2","6","3","2","6","4","6","1") = "5"
    & skf21("2","6","3","2","6","4","7","1") = "6"
    & skf21("2","6","3","2","6","5","1","1") = "5"
    & skf21("2","6","3","2","6","5","2","1") = "5"
    & skf21("2","6","3","2","6","5","3","1") = "5"
    & skf21("2","6","3","2","6","5","4","1") = "5"
    & skf21("2","6","3","2","6","5","5","1") = "5"
    & skf21("2","6","3","2","6","5","6","1") = "5"
    & skf21("2","6","3","2","6","5","7","1") = "6"
    & skf21("2","6","3","2","6","6","1","1") = "5"
    & skf21("2","6","3","2","6","6","2","1") = "5"
    & skf21("2","6","3","2","6","6","3","1") = "5"
    & skf21("2","6","3","2","6","6","4","1") = "5"
    & skf21("2","6","3","2","6","6","5","1") = "5"
    & skf21("2","6","3","2","6","6","6","1") = "5"
    & skf21("2","6","3","2","6","6","7","1") = "6"
    & skf21("2","6","3","2","6","7","1","1") = "6"
    & skf21("2","6","3","2","6","7","2","1") = "6"
    & skf21("2","6","3","2","6","7","3","1") = "6"
    & skf21("2","6","3","2","6","7","4","1") = "6"
    & skf21("2","6","3","2","6","7","5","1") = "6"
    & skf21("2","6","3","2","6","7","6","1") = "6"
    & skf21("2","6","3","2","6","7","7","1") = "6"
    & skf21("2","6","3","2","7","1","1","1") = "6"
    & skf21("2","6","3","2","7","1","2","1") = "6"
    & skf21("2","6","3","2","7","1","3","1") = "6"
    & skf21("2","6","3","2","7","1","4","1") = "6"
    & skf21("2","6","3","2","7","1","5","1") = "6"
    & skf21("2","6","3","2","7","1","6","1") = "6"
    & skf21("2","6","3","2","7","1","7","1") = "6"
    & skf21("2","6","3","2","7","2","1","1") = "6"
    & skf21("2","6","3","2","7","2","2","1") = "6"
    & skf21("2","6","3","2","7","2","3","1") = "6"
    & skf21("2","6","3","2","7","2","4","1") = "6"
    & skf21("2","6","3","2","7","2","5","1") = "6"
    & skf21("2","6","3","2","7","2","6","1") = "6"
    & skf21("2","6","3","2","7","2","7","1") = "6"
    & skf21("2","6","3","2","7","3","1","1") = "6"
    & skf21("2","6","3","2","7","3","2","1") = "6"
    & skf21("2","6","3","2","7","3","3","1") = "6"
    & skf21("2","6","3","2","7","3","4","1") = "6"
    & skf21("2","6","3","2","7","3","5","1") = "6"
    & skf21("2","6","3","2","7","3","6","1") = "6"
    & skf21("2","6","3","2","7","3","7","1") = "6"
    & skf21("2","6","3","2","7","4","1","1") = "6"
    & skf21("2","6","3","2","7","4","2","1") = "6"
    & skf21("2","6","3","2","7","4","3","1") = "6"
    & skf21("2","6","3","2","7","4","4","1") = "6"
    & skf21("2","6","3","2","7","4","5","1") = "6"
    & skf21("2","6","3","2","7","4","6","1") = "6"
    & skf21("2","6","3","2","7","4","7","1") = "6"
    & skf21("2","6","3","2","7","5","1","1") = "6"
    & skf21("2","6","3","2","7","5","2","1") = "6"
    & skf21("2","6","3","2","7","5","3","1") = "6"
    & skf21("2","6","3","2","7","5","4","1") = "6"
    & skf21("2","6","3","2","7","5","5","1") = "6"
    & skf21("2","6","3","2","7","5","6","1") = "6"
    & skf21("2","6","3","2","7","5","7","1") = "6"
    & skf21("2","6","3","2","7","6","1","1") = "6"
    & skf21("2","6","3","2","7","6","2","1") = "6"
    & skf21("2","6","3","2","7","6","3","1") = "6"
    & skf21("2","6","3","2","7","6","4","1") = "6"
    & skf21("2","6","3","2","7","6","5","1") = "6"
    & skf21("2","6","3","2","7","6","6","1") = "6"
    & skf21("2","6","3","2","7","6","7","1") = "6"
    & skf21("2","6","3","2","7","7","1","1") = "6"
    & skf21("2","6","3","2","7","7","2","1") = "6"
    & skf21("2","6","3","2","7","7","3","1") = "6"
    & skf21("2","6","3","2","7","7","4","1") = "6"
    & skf21("2","6","3","2","7","7","5","1") = "6"
    & skf21("2","6","3","2","7","7","6","1") = "6"
    & skf21("2","6","3","2","7","7","7","1") = "6"
    & skf21("2","6","3","3","1","1","1","1") = "5"
    & skf21("2","6","3","3","1","1","2","1") = "5"
    & skf21("2","6","3","3","1","1","3","1") = "5"
    & skf21("2","6","3","3","1","1","4","1") = "5"
    & skf21("2","6","3","3","1","1","5","1") = "5"
    & skf21("2","6","3","3","1","1","6","1") = "5"
    & skf21("2","6","3","3","1","1","7","1") = "6"
    & skf21("2","6","3","3","1","2","1","1") = "5"
    & skf21("2","6","3","3","1","2","2","1") = "5"
    & skf21("2","6","3","3","1","2","3","1") = "5"
    & skf21("2","6","3","3","1","2","4","1") = "5"
    & skf21("2","6","3","3","1","2","5","1") = "5"
    & skf21("2","6","3","3","1","2","6","1") = "5"
    & skf21("2","6","3","3","1","2","7","1") = "6"
    & skf21("2","6","3","3","1","3","1","1") = "5"
    & skf21("2","6","3","3","1","3","2","1") = "5"
    & skf21("2","6","3","3","1","3","3","1") = "5"
    & skf21("2","6","3","3","1","3","4","1") = "5"
    & skf21("2","6","3","3","1","3","5","1") = "5"
    & skf21("2","6","3","3","1","3","6","1") = "5"
    & skf21("2","6","3","3","1","3","7","1") = "6"
    & skf21("2","6","3","3","1","4","1","1") = "5"
    & skf21("2","6","3","3","1","4","2","1") = "5"
    & skf21("2","6","3","3","1","4","3","1") = "5"
    & skf21("2","6","3","3","1","4","4","1") = "5"
    & skf21("2","6","3","3","1","4","5","1") = "5"
    & skf21("2","6","3","3","1","4","6","1") = "5"
    & skf21("2","6","3","3","1","4","7","1") = "6"
    & skf21("2","6","3","3","1","5","1","1") = "5"
    & skf21("2","6","3","3","1","5","2","1") = "5"
    & skf21("2","6","3","3","1","5","3","1") = "5"
    & skf21("2","6","3","3","1","5","4","1") = "5"
    & skf21("2","6","3","3","1","5","5","1") = "5"
    & skf21("2","6","3","3","1","5","6","1") = "5"
    & skf21("2","6","3","3","1","5","7","1") = "6"
    & skf21("2","6","3","3","1","6","1","1") = "5"
    & skf21("2","6","3","3","1","6","2","1") = "5"
    & skf21("2","6","3","3","1","6","3","1") = "5"
    & skf21("2","6","3","3","1","6","4","1") = "5"
    & skf21("2","6","3","3","1","6","5","1") = "5"
    & skf21("2","6","3","3","1","6","6","1") = "5"
    & skf21("2","6","3","3","1","6","7","1") = "6"
    & skf21("2","6","3","3","1","7","1","1") = "6"
    & skf21("2","6","3","3","1","7","2","1") = "6"
    & skf21("2","6","3","3","1","7","3","1") = "6"
    & skf21("2","6","3","3","1","7","4","1") = "6"
    & skf21("2","6","3","3","1","7","5","1") = "6"
    & skf21("2","6","3","3","1","7","6","1") = "6"
    & skf21("2","6","3","3","1","7","7","1") = "6"
    & skf21("2","6","3","3","2","1","1","1") = "5"
    & skf21("2","6","3","3","2","1","2","1") = "5"
    & skf21("2","6","3","3","2","1","3","1") = "5"
    & skf21("2","6","3","3","2","1","4","1") = "5"
    & skf21("2","6","3","3","2","1","5","1") = "5"
    & skf21("2","6","3","3","2","1","6","1") = "5"
    & skf21("2","6","3","3","2","1","7","1") = "6"
    & skf21("2","6","3","3","2","2","1","1") = "5"
    & skf21("2","6","3","3","2","2","2","1") = "5"
    & skf21("2","6","3","3","2","2","3","1") = "5"
    & skf21("2","6","3","3","2","2","4","1") = "5"
    & skf21("2","6","3","3","2","2","5","1") = "5"
    & skf21("2","6","3","3","2","2","6","1") = "5"
    & skf21("2","6","3","3","2","2","7","1") = "6"
    & skf21("2","6","3","3","2","3","1","1") = "5"
    & skf21("2","6","3","3","2","3","2","1") = "5"
    & skf21("2","6","3","3","2","3","3","1") = "5"
    & skf21("2","6","3","3","2","3","4","1") = "5"
    & skf21("2","6","3","3","2","3","5","1") = "5"
    & skf21("2","6","3","3","2","3","6","1") = "5"
    & skf21("2","6","3","3","2","3","7","1") = "6"
    & skf21("2","6","3","3","2","4","1","1") = "5"
    & skf21("2","6","3","3","2","4","2","1") = "5"
    & skf21("2","6","3","3","2","4","3","1") = "5"
    & skf21("2","6","3","3","2","4","4","1") = "5"
    & skf21("2","6","3","3","2","4","5","1") = "5"
    & skf21("2","6","3","3","2","4","6","1") = "5"
    & skf21("2","6","3","3","2","4","7","1") = "6"
    & skf21("2","6","3","3","2","5","1","1") = "5"
    & skf21("2","6","3","3","2","5","2","1") = "5"
    & skf21("2","6","3","3","2","5","3","1") = "5"
    & skf21("2","6","3","3","2","5","4","1") = "5"
    & skf21("2","6","3","3","2","5","5","1") = "5"
    & skf21("2","6","3","3","2","5","6","1") = "5"
    & skf21("2","6","3","3","2","5","7","1") = "6"
    & skf21("2","6","3","3","2","6","1","1") = "5"
    & skf21("2","6","3","3","2","6","2","1") = "5"
    & skf21("2","6","3","3","2","6","3","1") = "5"
    & skf21("2","6","3","3","2","6","4","1") = "5"
    & skf21("2","6","3","3","2","6","5","1") = "5"
    & skf21("2","6","3","3","2","6","6","1") = "5"
    & skf21("2","6","3","3","2","6","7","1") = "6"
    & skf21("2","6","3","3","2","7","1","1") = "6"
    & skf21("2","6","3","3","2","7","2","1") = "6"
    & skf21("2","6","3","3","2","7","3","1") = "6"
    & skf21("2","6","3","3","2","7","4","1") = "6"
    & skf21("2","6","3","3","2","7","5","1") = "6"
    & skf21("2","6","3","3","2","7","6","1") = "6"
    & skf21("2","6","3","3","2","7","7","1") = "6"
    & skf21("2","6","3","3","3","1","1","1") = "5"
    & skf21("2","6","3","3","3","1","2","1") = "5"
    & skf21("2","6","3","3","3","1","3","1") = "5"
    & skf21("2","6","3","3","3","1","4","1") = "5"
    & skf21("2","6","3","3","3","1","5","1") = "5"
    & skf21("2","6","3","3","3","1","6","1") = "5"
    & skf21("2","6","3","3","3","1","7","1") = "6"
    & skf21("2","6","3","3","3","2","1","1") = "5"
    & skf21("2","6","3","3","3","2","2","1") = "5"
    & skf21("2","6","3","3","3","2","3","1") = "5"
    & skf21("2","6","3","3","3","2","4","1") = "5"
    & skf21("2","6","3","3","3","2","5","1") = "5"
    & skf21("2","6","3","3","3","2","6","1") = "5"
    & skf21("2","6","3","3","3","2","7","1") = "6"
    & skf21("2","6","3","3","3","3","1","1") = "5"
    & skf21("2","6","3","3","3","3","2","1") = "5"
    & skf21("2","6","3","3","3","3","3","1") = "5"
    & skf21("2","6","3","3","3","3","4","1") = "5"
    & skf21("2","6","3","3","3","3","5","1") = "5"
    & skf21("2","6","3","3","3","3","6","1") = "5"
    & skf21("2","6","3","3","3","3","7","1") = "6"
    & skf21("2","6","3","3","3","4","1","1") = "5"
    & skf21("2","6","3","3","3","4","2","1") = "5"
    & skf21("2","6","3","3","3","4","3","1") = "5"
    & skf21("2","6","3","3","3","4","4","1") = "5"
    & skf21("2","6","3","3","3","4","5","1") = "5"
    & skf21("2","6","3","3","3","4","6","1") = "5"
    & skf21("2","6","3","3","3","4","7","1") = "6"
    & skf21("2","6","3","3","3","5","1","1") = "5"
    & skf21("2","6","3","3","3","5","2","1") = "5"
    & skf21("2","6","3","3","3","5","3","1") = "5"
    & skf21("2","6","3","3","3","5","4","1") = "5"
    & skf21("2","6","3","3","3","5","5","1") = "5"
    & skf21("2","6","3","3","3","5","6","1") = "5"
    & skf21("2","6","3","3","3","5","7","1") = "6"
    & skf21("2","6","3","3","3","6","1","1") = "5"
    & skf21("2","6","3","3","3","6","2","1") = "5"
    & skf21("2","6","3","3","3","6","3","1") = "5"
    & skf21("2","6","3","3","3","6","4","1") = "5"
    & skf21("2","6","3","3","3","6","5","1") = "5"
    & skf21("2","6","3","3","3","6","6","1") = "5"
    & skf21("2","6","3","3","3","6","7","1") = "6"
    & skf21("2","6","3","3","3","7","1","1") = "6"
    & skf21("2","6","3","3","3","7","2","1") = "6"
    & skf21("2","6","3","3","3","7","3","1") = "6"
    & skf21("2","6","3","3","3","7","4","1") = "6"
    & skf21("2","6","3","3","3","7","5","1") = "6"
    & skf21("2","6","3","3","3","7","6","1") = "6"
    & skf21("2","6","3","3","3","7","7","1") = "6"
    & skf21("2","6","3","3","4","1","1","1") = "5"
    & skf21("2","6","3","3","4","1","2","1") = "5"
    & skf21("2","6","3","3","4","1","3","1") = "5"
    & skf21("2","6","3","3","4","1","4","1") = "5"
    & skf21("2","6","3","3","4","1","5","1") = "5"
    & skf21("2","6","3","3","4","1","6","1") = "5"
    & skf21("2","6","3","3","4","1","7","1") = "6"
    & skf21("2","6","3","3","4","2","1","1") = "5"
    & skf21("2","6","3","3","4","2","2","1") = "5"
    & skf21("2","6","3","3","4","2","3","1") = "5"
    & skf21("2","6","3","3","4","2","4","1") = "5"
    & skf21("2","6","3","3","4","2","5","1") = "5"
    & skf21("2","6","3","3","4","2","6","1") = "5"
    & skf21("2","6","3","3","4","2","7","1") = "6"
    & skf21("2","6","3","3","4","3","1","1") = "5"
    & skf21("2","6","3","3","4","3","2","1") = "5"
    & skf21("2","6","3","3","4","3","3","1") = "5"
    & skf21("2","6","3","3","4","3","4","1") = "5"
    & skf21("2","6","3","3","4","3","5","1") = "5"
    & skf21("2","6","3","3","4","3","6","1") = "5"
    & skf21("2","6","3","3","4","3","7","1") = "6"
    & skf21("2","6","3","3","4","4","1","1") = "5"
    & skf21("2","6","3","3","4","4","2","1") = "5"
    & skf21("2","6","3","3","4","4","3","1") = "5"
    & skf21("2","6","3","3","4","4","4","1") = "5"
    & skf21("2","6","3","3","4","4","5","1") = "5"
    & skf21("2","6","3","3","4","4","6","1") = "5"
    & skf21("2","6","3","3","4","4","7","1") = "6"
    & skf21("2","6","3","3","4","5","1","1") = "5"
    & skf21("2","6","3","3","4","5","2","1") = "5"
    & skf21("2","6","3","3","4","5","3","1") = "5"
    & skf21("2","6","3","3","4","5","4","1") = "5"
    & skf21("2","6","3","3","4","5","5","1") = "5"
    & skf21("2","6","3","3","4","5","6","1") = "5"
    & skf21("2","6","3","3","4","5","7","1") = "6"
    & skf21("2","6","3","3","4","6","1","1") = "5"
    & skf21("2","6","3","3","4","6","2","1") = "5"
    & skf21("2","6","3","3","4","6","3","1") = "5"
    & skf21("2","6","3","3","4","6","4","1") = "5"
    & skf21("2","6","3","3","4","6","5","1") = "5"
    & skf21("2","6","3","3","4","6","6","1") = "5"
    & skf21("2","6","3","3","4","6","7","1") = "6"
    & skf21("2","6","3","3","4","7","1","1") = "6"
    & skf21("2","6","3","3","4","7","2","1") = "6"
    & skf21("2","6","3","3","4","7","3","1") = "6"
    & skf21("2","6","3","3","4","7","4","1") = "6"
    & skf21("2","6","3","3","4","7","5","1") = "6"
    & skf21("2","6","3","3","4","7","6","1") = "6"
    & skf21("2","6","3","3","4","7","7","1") = "6"
    & skf21("2","6","3","3","5","1","1","1") = "5"
    & skf21("2","6","3","3","5","1","2","1") = "5"
    & skf21("2","6","3","3","5","1","3","1") = "5"
    & skf21("2","6","3","3","5","1","4","1") = "5"
    & skf21("2","6","3","3","5","1","5","1") = "5"
    & skf21("2","6","3","3","5","1","6","1") = "5"
    & skf21("2","6","3","3","5","1","7","1") = "6"
    & skf21("2","6","3","3","5","2","1","1") = "5"
    & skf21("2","6","3","3","5","2","2","1") = "5"
    & skf21("2","6","3","3","5","2","3","1") = "5"
    & skf21("2","6","3","3","5","2","4","1") = "5"
    & skf21("2","6","3","3","5","2","5","1") = "5"
    & skf21("2","6","3","3","5","2","6","1") = "5"
    & skf21("2","6","3","3","5","2","7","1") = "6"
    & skf21("2","6","3","3","5","3","1","1") = "5"
    & skf21("2","6","3","3","5","3","2","1") = "5"
    & skf21("2","6","3","3","5","3","3","1") = "5"
    & skf21("2","6","3","3","5","3","4","1") = "5"
    & skf21("2","6","3","3","5","3","5","1") = "5"
    & skf21("2","6","3","3","5","3","6","1") = "5"
    & skf21("2","6","3","3","5","3","7","1") = "6"
    & skf21("2","6","3","3","5","4","1","1") = "5"
    & skf21("2","6","3","3","5","4","2","1") = "5"
    & skf21("2","6","3","3","5","4","3","1") = "5"
    & skf21("2","6","3","3","5","4","4","1") = "5"
    & skf21("2","6","3","3","5","4","5","1") = "5"
    & skf21("2","6","3","3","5","4","6","1") = "5"
    & skf21("2","6","3","3","5","4","7","1") = "6"
    & skf21("2","6","3","3","5","5","1","1") = "5"
    & skf21("2","6","3","3","5","5","2","1") = "5"
    & skf21("2","6","3","3","5","5","3","1") = "5"
    & skf21("2","6","3","3","5","5","4","1") = "5"
    & skf21("2","6","3","3","5","5","5","1") = "5"
    & skf21("2","6","3","3","5","5","6","1") = "5"
    & skf21("2","6","3","3","5","5","7","1") = "6"
    & skf21("2","6","3","3","5","6","1","1") = "5"
    & skf21("2","6","3","3","5","6","2","1") = "5"
    & skf21("2","6","3","3","5","6","3","1") = "5"
    & skf21("2","6","3","3","5","6","4","1") = "5"
    & skf21("2","6","3","3","5","6","5","1") = "5"
    & skf21("2","6","3","3","5","6","6","1") = "5"
    & skf21("2","6","3","3","5","6","7","1") = "6"
    & skf21("2","6","3","3","5","7","1","1") = "6"
    & skf21("2","6","3","3","5","7","2","1") = "6"
    & skf21("2","6","3","3","5","7","3","1") = "6"
    & skf21("2","6","3","3","5","7","4","1") = "6"
    & skf21("2","6","3","3","5","7","5","1") = "6"
    & skf21("2","6","3","3","5","7","6","1") = "6"
    & skf21("2","6","3","3","5","7","7","1") = "6"
    & skf21("2","6","3","3","6","1","1","1") = "5"
    & skf21("2","6","3","3","6","1","2","1") = "5"
    & skf21("2","6","3","3","6","1","3","1") = "5"
    & skf21("2","6","3","3","6","1","4","1") = "5"
    & skf21("2","6","3","3","6","1","5","1") = "5"
    & skf21("2","6","3","3","6","1","6","1") = "5"
    & skf21("2","6","3","3","6","1","7","1") = "6"
    & skf21("2","6","3","3","6","2","1","1") = "5"
    & skf21("2","6","3","3","6","2","2","1") = "5"
    & skf21("2","6","3","3","6","2","3","1") = "5"
    & skf21("2","6","3","3","6","2","4","1") = "5"
    & skf21("2","6","3","3","6","2","5","1") = "5"
    & skf21("2","6","3","3","6","2","6","1") = "5"
    & skf21("2","6","3","3","6","2","7","1") = "6"
    & skf21("2","6","3","3","6","3","1","1") = "5"
    & skf21("2","6","3","3","6","3","2","1") = "5"
    & skf21("2","6","3","3","6","3","3","1") = "5"
    & skf21("2","6","3","3","6","3","4","1") = "5"
    & skf21("2","6","3","3","6","3","5","1") = "5"
    & skf21("2","6","3","3","6","3","6","1") = "5"
    & skf21("2","6","3","3","6","3","7","1") = "6"
    & skf21("2","6","3","3","6","4","1","1") = "5"
    & skf21("2","6","3","3","6","4","2","1") = "5"
    & skf21("2","6","3","3","6","4","3","1") = "5"
    & skf21("2","6","3","3","6","4","4","1") = "5"
    & skf21("2","6","3","3","6","4","5","1") = "5"
    & skf21("2","6","3","3","6","4","6","1") = "5"
    & skf21("2","6","3","3","6","4","7","1") = "6"
    & skf21("2","6","3","3","6","5","1","1") = "5"
    & skf21("2","6","3","3","6","5","2","1") = "5"
    & skf21("2","6","3","3","6","5","3","1") = "5"
    & skf21("2","6","3","3","6","5","4","1") = "5"
    & skf21("2","6","3","3","6","5","5","1") = "5"
    & skf21("2","6","3","3","6","5","6","1") = "5"
    & skf21("2","6","3","3","6","5","7","1") = "6"
    & skf21("2","6","3","3","6","6","1","1") = "5"
    & skf21("2","6","3","3","6","6","2","1") = "5"
    & skf21("2","6","3","3","6","6","3","1") = "5"
    & skf21("2","6","3","3","6","6","4","1") = "5"
    & skf21("2","6","3","3","6","6","5","1") = "5"
    & skf21("2","6","3","3","6","6","6","1") = "5"
    & skf21("2","6","3","3","6","6","7","1") = "6"
    & skf21("2","6","3","3","6","7","1","1") = "6"
    & skf21("2","6","3","3","6","7","2","1") = "6"
    & skf21("2","6","3","3","6","7","3","1") = "6"
    & skf21("2","6","3","3","6","7","4","1") = "6"
    & skf21("2","6","3","3","6","7","5","1") = "6"
    & skf21("2","6","3","3","6","7","6","1") = "6"
    & skf21("2","6","3","3","6","7","7","1") = "6"
    & skf21("2","6","3","3","7","1","1","1") = "6"
    & skf21("2","6","3","3","7","1","2","1") = "6"
    & skf21("2","6","3","3","7","1","3","1") = "6"
    & skf21("2","6","3","3","7","1","4","1") = "6"
    & skf21("2","6","3","3","7","1","5","1") = "6"
    & skf21("2","6","3","3","7","1","6","1") = "6"
    & skf21("2","6","3","3","7","1","7","1") = "6"
    & skf21("2","6","3","3","7","2","1","1") = "6"
    & skf21("2","6","3","3","7","2","2","1") = "6"
    & skf21("2","6","3","3","7","2","3","1") = "6"
    & skf21("2","6","3","3","7","2","4","1") = "6"
    & skf21("2","6","3","3","7","2","5","1") = "6"
    & skf21("2","6","3","3","7","2","6","1") = "6"
    & skf21("2","6","3","3","7","2","7","1") = "6"
    & skf21("2","6","3","3","7","3","1","1") = "6"
    & skf21("2","6","3","3","7","3","2","1") = "6"
    & skf21("2","6","3","3","7","3","3","1") = "6"
    & skf21("2","6","3","3","7","3","4","1") = "6"
    & skf21("2","6","3","3","7","3","5","1") = "6"
    & skf21("2","6","3","3","7","3","6","1") = "6"
    & skf21("2","6","3","3","7","3","7","1") = "6"
    & skf21("2","6","3","3","7","4","1","1") = "6"
    & skf21("2","6","3","3","7","4","2","1") = "6"
    & skf21("2","6","3","3","7","4","3","1") = "6"
    & skf21("2","6","3","3","7","4","4","1") = "6"
    & skf21("2","6","3","3","7","4","5","1") = "6"
    & skf21("2","6","3","3","7","4","6","1") = "6"
    & skf21("2","6","3","3","7","4","7","1") = "6"
    & skf21("2","6","3","3","7","5","1","1") = "6"
    & skf21("2","6","3","3","7","5","2","1") = "6"
    & skf21("2","6","3","3","7","5","3","1") = "6"
    & skf21("2","6","3","3","7","5","4","1") = "6"
    & skf21("2","6","3","3","7","5","5","1") = "6"
    & skf21("2","6","3","3","7","5","6","1") = "6"
    & skf21("2","6","3","3","7","5","7","1") = "6"
    & skf21("2","6","3","3","7","6","1","1") = "6"
    & skf21("2","6","3","3","7","6","2","1") = "6"
    & skf21("2","6","3","3","7","6","3","1") = "6"
    & skf21("2","6","3","3","7","6","4","1") = "6"
    & skf21("2","6","3","3","7","6","5","1") = "6"
    & skf21("2","6","3","3","7","6","6","1") = "6"
    & skf21("2","6","3","3","7","6","7","1") = "6"
    & skf21("2","6","3","3","7","7","1","1") = "6"
    & skf21("2","6","3","3","7","7","2","1") = "6"
    & skf21("2","6","3","3","7","7","3","1") = "6"
    & skf21("2","6","3","3","7","7","4","1") = "6"
    & skf21("2","6","3","3","7","7","5","1") = "6"
    & skf21("2","6","3","3","7","7","6","1") = "6"
    & skf21("2","6","3","3","7","7","7","1") = "6"
    & skf21("2","6","3","4","1","1","1","1") = "5"
    & skf21("2","6","3","4","1","1","2","1") = "5"
    & skf21("2","6","3","4","1","1","3","1") = "5"
    & skf21("2","6","3","4","1","1","4","1") = "5"
    & skf21("2","6","3","4","1","1","5","1") = "5"
    & skf21("2","6","3","4","1","1","6","1") = "5"
    & skf21("2","6","3","4","1","1","7","1") = "6"
    & skf21("2","6","3","4","1","2","1","1") = "5"
    & skf21("2","6","3","4","1","2","2","1") = "5"
    & skf21("2","6","3","4","1","2","3","1") = "5"
    & skf21("2","6","3","4","1","2","4","1") = "5"
    & skf21("2","6","3","4","1","2","5","1") = "5"
    & skf21("2","6","3","4","1","2","6","1") = "5"
    & skf21("2","6","3","4","1","2","7","1") = "6"
    & skf21("2","6","3","4","1","3","1","1") = "5"
    & skf21("2","6","3","4","1","3","2","1") = "5"
    & skf21("2","6","3","4","1","3","3","1") = "5"
    & skf21("2","6","3","4","1","3","4","1") = "5"
    & skf21("2","6","3","4","1","3","5","1") = "5"
    & skf21("2","6","3","4","1","3","6","1") = "5"
    & skf21("2","6","3","4","1","3","7","1") = "6"
    & skf21("2","6","3","4","1","4","1","1") = "5"
    & skf21("2","6","3","4","1","4","2","1") = "5"
    & skf21("2","6","3","4","1","4","3","1") = "5"
    & skf21("2","6","3","4","1","4","4","1") = "5"
    & skf21("2","6","3","4","1","4","5","1") = "5"
    & skf21("2","6","3","4","1","4","6","1") = "5"
    & skf21("2","6","3","4","1","4","7","1") = "6"
    & skf21("2","6","3","4","1","5","1","1") = "5"
    & skf21("2","6","3","4","1","5","2","1") = "5"
    & skf21("2","6","3","4","1","5","3","1") = "5"
    & skf21("2","6","3","4","1","5","4","1") = "5"
    & skf21("2","6","3","4","1","5","5","1") = "5"
    & skf21("2","6","3","4","1","5","6","1") = "5"
    & skf21("2","6","3","4","1","5","7","1") = "6"
    & skf21("2","6","3","4","1","6","1","1") = "5"
    & skf21("2","6","3","4","1","6","2","1") = "5"
    & skf21("2","6","3","4","1","6","3","1") = "5"
    & skf21("2","6","3","4","1","6","4","1") = "5"
    & skf21("2","6","3","4","1","6","5","1") = "5"
    & skf21("2","6","3","4","1","6","6","1") = "5"
    & skf21("2","6","3","4","1","6","7","1") = "6"
    & skf21("2","6","3","4","1","7","1","1") = "6"
    & skf21("2","6","3","4","1","7","2","1") = "6"
    & skf21("2","6","3","4","1","7","3","1") = "6"
    & skf21("2","6","3","4","1","7","4","1") = "6"
    & skf21("2","6","3","4","1","7","5","1") = "6"
    & skf21("2","6","3","4","1","7","6","1") = "6"
    & skf21("2","6","3","4","1","7","7","1") = "6"
    & skf21("2","6","3","4","2","1","1","1") = "5"
    & skf21("2","6","3","4","2","1","2","1") = "5"
    & skf21("2","6","3","4","2","1","3","1") = "5"
    & skf21("2","6","3","4","2","1","4","1") = "5"
    & skf21("2","6","3","4","2","1","5","1") = "5"
    & skf21("2","6","3","4","2","1","6","1") = "5"
    & skf21("2","6","3","4","2","1","7","1") = "6"
    & skf21("2","6","3","4","2","2","1","1") = "5"
    & skf21("2","6","3","4","2","2","2","1") = "5"
    & skf21("2","6","3","4","2","2","3","1") = "5"
    & skf21("2","6","3","4","2","2","4","1") = "5"
    & skf21("2","6","3","4","2","2","5","1") = "5"
    & skf21("2","6","3","4","2","2","6","1") = "5"
    & skf21("2","6","3","4","2","2","7","1") = "6"
    & skf21("2","6","3","4","2","3","1","1") = "5"
    & skf21("2","6","3","4","2","3","2","1") = "5"
    & skf21("2","6","3","4","2","3","3","1") = "5"
    & skf21("2","6","3","4","2","3","4","1") = "5"
    & skf21("2","6","3","4","2","3","5","1") = "5"
    & skf21("2","6","3","4","2","3","6","1") = "5"
    & skf21("2","6","3","4","2","3","7","1") = "6"
    & skf21("2","6","3","4","2","4","1","1") = "5"
    & skf21("2","6","3","4","2","4","2","1") = "5"
    & skf21("2","6","3","4","2","4","3","1") = "5"
    & skf21("2","6","3","4","2","4","4","1") = "5"
    & skf21("2","6","3","4","2","4","5","1") = "5"
    & skf21("2","6","3","4","2","4","6","1") = "5"
    & skf21("2","6","3","4","2","4","7","1") = "6"
    & skf21("2","6","3","4","2","5","1","1") = "5"
    & skf21("2","6","3","4","2","5","2","1") = "5"
    & skf21("2","6","3","4","2","5","3","1") = "5"
    & skf21("2","6","3","4","2","5","4","1") = "5"
    & skf21("2","6","3","4","2","5","5","1") = "5"
    & skf21("2","6","3","4","2","5","6","1") = "5"
    & skf21("2","6","3","4","2","5","7","1") = "6"
    & skf21("2","6","3","4","2","6","1","1") = "5"
    & skf21("2","6","3","4","2","6","2","1") = "5"
    & skf21("2","6","3","4","2","6","3","1") = "5"
    & skf21("2","6","3","4","2","6","4","1") = "5"
    & skf21("2","6","3","4","2","6","5","1") = "5"
    & skf21("2","6","3","4","2","6","6","1") = "5"
    & skf21("2","6","3","4","2","6","7","1") = "6"
    & skf21("2","6","3","4","2","7","1","1") = "6"
    & skf21("2","6","3","4","2","7","2","1") = "6"
    & skf21("2","6","3","4","2","7","3","1") = "6"
    & skf21("2","6","3","4","2","7","4","1") = "6"
    & skf21("2","6","3","4","2","7","5","1") = "6"
    & skf21("2","6","3","4","2","7","6","1") = "6"
    & skf21("2","6","3","4","2","7","7","1") = "6"
    & skf21("2","6","3","4","3","1","1","1") = "5"
    & skf21("2","6","3","4","3","1","2","1") = "5"
    & skf21("2","6","3","4","3","1","3","1") = "5"
    & skf21("2","6","3","4","3","1","4","1") = "5"
    & skf21("2","6","3","4","3","1","5","1") = "5"
    & skf21("2","6","3","4","3","1","6","1") = "5"
    & skf21("2","6","3","4","3","1","7","1") = "6"
    & skf21("2","6","3","4","3","2","1","1") = "5"
    & skf21("2","6","3","4","3","2","2","1") = "5"
    & skf21("2","6","3","4","3","2","3","1") = "5"
    & skf21("2","6","3","4","3","2","4","1") = "5"
    & skf21("2","6","3","4","3","2","5","1") = "5"
    & skf21("2","6","3","4","3","2","6","1") = "5"
    & skf21("2","6","3","4","3","2","7","1") = "6"
    & skf21("2","6","3","4","3","3","1","1") = "5"
    & skf21("2","6","3","4","3","3","2","1") = "5"
    & skf21("2","6","3","4","3","3","3","1") = "5"
    & skf21("2","6","3","4","3","3","4","1") = "5"
    & skf21("2","6","3","4","3","3","5","1") = "5"
    & skf21("2","6","3","4","3","3","6","1") = "5"
    & skf21("2","6","3","4","3","3","7","1") = "6"
    & skf21("2","6","3","4","3","4","1","1") = "5"
    & skf21("2","6","3","4","3","4","2","1") = "5"
    & skf21("2","6","3","4","3","4","3","1") = "5"
    & skf21("2","6","3","4","3","4","4","1") = "5"
    & skf21("2","6","3","4","3","4","5","1") = "5"
    & skf21("2","6","3","4","3","4","6","1") = "5"
    & skf21("2","6","3","4","3","4","7","1") = "6"
    & skf21("2","6","3","4","3","5","1","1") = "5"
    & skf21("2","6","3","4","3","5","2","1") = "5"
    & skf21("2","6","3","4","3","5","3","1") = "5"
    & skf21("2","6","3","4","3","5","4","1") = "5"
    & skf21("2","6","3","4","3","5","5","1") = "5"
    & skf21("2","6","3","4","3","5","6","1") = "5"
    & skf21("2","6","3","4","3","5","7","1") = "6"
    & skf21("2","6","3","4","3","6","1","1") = "5"
    & skf21("2","6","3","4","3","6","2","1") = "5"
    & skf21("2","6","3","4","3","6","3","1") = "5"
    & skf21("2","6","3","4","3","6","4","1") = "5"
    & skf21("2","6","3","4","3","6","5","1") = "5"
    & skf21("2","6","3","4","3","6","6","1") = "5"
    & skf21("2","6","3","4","3","6","7","1") = "6"
    & skf21("2","6","3","4","3","7","1","1") = "6"
    & skf21("2","6","3","4","3","7","2","1") = "6"
    & skf21("2","6","3","4","3","7","3","1") = "6"
    & skf21("2","6","3","4","3","7","4","1") = "6"
    & skf21("2","6","3","4","3","7","5","1") = "6"
    & skf21("2","6","3","4","3","7","6","1") = "6"
    & skf21("2","6","3","4","3","7","7","1") = "6"
    & skf21("2","6","3","4","4","1","1","1") = "5"
    & skf21("2","6","3","4","4","1","2","1") = "5"
    & skf21("2","6","3","4","4","1","3","1") = "5"
    & skf21("2","6","3","4","4","1","4","1") = "5"
    & skf21("2","6","3","4","4","1","5","1") = "5"
    & skf21("2","6","3","4","4","1","6","1") = "5"
    & skf21("2","6","3","4","4","1","7","1") = "6"
    & skf21("2","6","3","4","4","2","1","1") = "5"
    & skf21("2","6","3","4","4","2","2","1") = "5"
    & skf21("2","6","3","4","4","2","3","1") = "5"
    & skf21("2","6","3","4","4","2","4","1") = "5"
    & skf21("2","6","3","4","4","2","5","1") = "5"
    & skf21("2","6","3","4","4","2","6","1") = "5"
    & skf21("2","6","3","4","4","2","7","1") = "6"
    & skf21("2","6","3","4","4","3","1","1") = "5"
    & skf21("2","6","3","4","4","3","2","1") = "5"
    & skf21("2","6","3","4","4","3","3","1") = "5"
    & skf21("2","6","3","4","4","3","4","1") = "5"
    & skf21("2","6","3","4","4","3","5","1") = "5"
    & skf21("2","6","3","4","4","3","6","1") = "5"
    & skf21("2","6","3","4","4","3","7","1") = "6"
    & skf21("2","6","3","4","4","4","1","1") = "5"
    & skf21("2","6","3","4","4","4","2","1") = "5"
    & skf21("2","6","3","4","4","4","3","1") = "5"
    & skf21("2","6","3","4","4","4","4","1") = "5"
    & skf21("2","6","3","4","4","4","5","1") = "5"
    & skf21("2","6","3","4","4","4","6","1") = "5"
    & skf21("2","6","3","4","4","4","7","1") = "6"
    & skf21("2","6","3","4","4","5","1","1") = "5"
    & skf21("2","6","3","4","4","5","2","1") = "5"
    & skf21("2","6","3","4","4","5","3","1") = "5"
    & skf21("2","6","3","4","4","5","4","1") = "5"
    & skf21("2","6","3","4","4","5","5","1") = "5"
    & skf21("2","6","3","4","4","5","6","1") = "5"
    & skf21("2","6","3","4","4","5","7","1") = "6"
    & skf21("2","6","3","4","4","6","1","1") = "5"
    & skf21("2","6","3","4","4","6","2","1") = "5"
    & skf21("2","6","3","4","4","6","3","1") = "5"
    & skf21("2","6","3","4","4","6","4","1") = "5"
    & skf21("2","6","3","4","4","6","5","1") = "5"
    & skf21("2","6","3","4","4","6","6","1") = "5"
    & skf21("2","6","3","4","4","6","7","1") = "6"
    & skf21("2","6","3","4","4","7","1","1") = "6"
    & skf21("2","6","3","4","4","7","2","1") = "6"
    & skf21("2","6","3","4","4","7","3","1") = "6"
    & skf21("2","6","3","4","4","7","4","1") = "6"
    & skf21("2","6","3","4","4","7","5","1") = "6"
    & skf21("2","6","3","4","4","7","6","1") = "6"
    & skf21("2","6","3","4","4","7","7","1") = "6"
    & skf21("2","6","3","4","5","1","1","1") = "5"
    & skf21("2","6","3","4","5","1","2","1") = "5"
    & skf21("2","6","3","4","5","1","3","1") = "5"
    & skf21("2","6","3","4","5","1","4","1") = "5"
    & skf21("2","6","3","4","5","1","5","1") = "5"
    & skf21("2","6","3","4","5","1","6","1") = "5"
    & skf21("2","6","3","4","5","1","7","1") = "6"
    & skf21("2","6","3","4","5","2","1","1") = "5"
    & skf21("2","6","3","4","5","2","2","1") = "5"
    & skf21("2","6","3","4","5","2","3","1") = "5"
    & skf21("2","6","3","4","5","2","4","1") = "5"
    & skf21("2","6","3","4","5","2","5","1") = "5"
    & skf21("2","6","3","4","5","2","6","1") = "5"
    & skf21("2","6","3","4","5","2","7","1") = "6"
    & skf21("2","6","3","4","5","3","1","1") = "5"
    & skf21("2","6","3","4","5","3","2","1") = "5"
    & skf21("2","6","3","4","5","3","3","1") = "5"
    & skf21("2","6","3","4","5","3","4","1") = "5"
    & skf21("2","6","3","4","5","3","5","1") = "5"
    & skf21("2","6","3","4","5","3","6","1") = "5"
    & skf21("2","6","3","4","5","3","7","1") = "6"
    & skf21("2","6","3","4","5","4","1","1") = "5"
    & skf21("2","6","3","4","5","4","2","1") = "5"
    & skf21("2","6","3","4","5","4","3","1") = "5"
    & skf21("2","6","3","4","5","4","4","1") = "5"
    & skf21("2","6","3","4","5","4","5","1") = "5"
    & skf21("2","6","3","4","5","4","6","1") = "5"
    & skf21("2","6","3","4","5","4","7","1") = "6"
    & skf21("2","6","3","4","5","5","1","1") = "5"
    & skf21("2","6","3","4","5","5","2","1") = "5"
    & skf21("2","6","3","4","5","5","3","1") = "5"
    & skf21("2","6","3","4","5","5","4","1") = "5"
    & skf21("2","6","3","4","5","5","5","1") = "5"
    & skf21("2","6","3","4","5","5","6","1") = "5"
    & skf21("2","6","3","4","5","5","7","1") = "6"
    & skf21("2","6","3","4","5","6","1","1") = "5"
    & skf21("2","6","3","4","5","6","2","1") = "5"
    & skf21("2","6","3","4","5","6","3","1") = "5"
    & skf21("2","6","3","4","5","6","4","1") = "5"
    & skf21("2","6","3","4","5","6","5","1") = "5"
    & skf21("2","6","3","4","5","6","6","1") = "5"
    & skf21("2","6","3","4","5","6","7","1") = "6"
    & skf21("2","6","3","4","5","7","1","1") = "6"
    & skf21("2","6","3","4","5","7","2","1") = "6"
    & skf21("2","6","3","4","5","7","3","1") = "6"
    & skf21("2","6","3","4","5","7","4","1") = "6"
    & skf21("2","6","3","4","5","7","5","1") = "6"
    & skf21("2","6","3","4","5","7","6","1") = "6"
    & skf21("2","6","3","4","5","7","7","1") = "6"
    & skf21("2","6","3","4","6","1","1","1") = "5"
    & skf21("2","6","3","4","6","1","2","1") = "5"
    & skf21("2","6","3","4","6","1","3","1") = "5"
    & skf21("2","6","3","4","6","1","4","1") = "5"
    & skf21("2","6","3","4","6","1","5","1") = "5"
    & skf21("2","6","3","4","6","1","6","1") = "5"
    & skf21("2","6","3","4","6","1","7","1") = "6"
    & skf21("2","6","3","4","6","2","1","1") = "5"
    & skf21("2","6","3","4","6","2","2","1") = "5"
    & skf21("2","6","3","4","6","2","3","1") = "5"
    & skf21("2","6","3","4","6","2","4","1") = "5"
    & skf21("2","6","3","4","6","2","5","1") = "5"
    & skf21("2","6","3","4","6","2","6","1") = "5"
    & skf21("2","6","3","4","6","2","7","1") = "6"
    & skf21("2","6","3","4","6","3","1","1") = "5"
    & skf21("2","6","3","4","6","3","2","1") = "5"
    & skf21("2","6","3","4","6","3","3","1") = "5"
    & skf21("2","6","3","4","6","3","4","1") = "5"
    & skf21("2","6","3","4","6","3","5","1") = "5"
    & skf21("2","6","3","4","6","3","6","1") = "5"
    & skf21("2","6","3","4","6","3","7","1") = "6"
    & skf21("2","6","3","4","6","4","1","1") = "5"
    & skf21("2","6","3","4","6","4","2","1") = "5"
    & skf21("2","6","3","4","6","4","3","1") = "5"
    & skf21("2","6","3","4","6","4","4","1") = "5"
    & skf21("2","6","3","4","6","4","5","1") = "5"
    & skf21("2","6","3","4","6","4","6","1") = "5"
    & skf21("2","6","3","4","6","4","7","1") = "6"
    & skf21("2","6","3","4","6","5","1","1") = "5"
    & skf21("2","6","3","4","6","5","2","1") = "5"
    & skf21("2","6","3","4","6","5","3","1") = "5"
    & skf21("2","6","3","4","6","5","4","1") = "5"
    & skf21("2","6","3","4","6","5","5","1") = "5"
    & skf21("2","6","3","4","6","5","6","1") = "5"
    & skf21("2","6","3","4","6","5","7","1") = "6"
    & skf21("2","6","3","4","6","6","1","1") = "5"
    & skf21("2","6","3","4","6","6","2","1") = "5"
    & skf21("2","6","3","4","6","6","3","1") = "5"
    & skf21("2","6","3","4","6","6","4","1") = "5"
    & skf21("2","6","3","4","6","6","5","1") = "5"
    & skf21("2","6","3","4","6","6","6","1") = "5"
    & skf21("2","6","3","4","6","6","7","1") = "6"
    & skf21("2","6","3","4","6","7","1","1") = "6"
    & skf21("2","6","3","4","6","7","2","1") = "6"
    & skf21("2","6","3","4","6","7","3","1") = "6"
    & skf21("2","6","3","4","6","7","4","1") = "6"
    & skf21("2","6","3","4","6","7","5","1") = "6"
    & skf21("2","6","3","4","6","7","6","1") = "6"
    & skf21("2","6","3","4","6","7","7","1") = "6"
    & skf21("2","6","3","4","7","1","1","1") = "6"
    & skf21("2","6","3","4","7","1","2","1") = "6"
    & skf21("2","6","3","4","7","1","3","1") = "6"
    & skf21("2","6","3","4","7","1","4","1") = "6"
    & skf21("2","6","3","4","7","1","5","1") = "6"
    & skf21("2","6","3","4","7","1","6","1") = "6"
    & skf21("2","6","3","4","7","1","7","1") = "6"
    & skf21("2","6","3","4","7","2","1","1") = "6"
    & skf21("2","6","3","4","7","2","2","1") = "6"
    & skf21("2","6","3","4","7","2","3","1") = "6"
    & skf21("2","6","3","4","7","2","4","1") = "6"
    & skf21("2","6","3","4","7","2","5","1") = "6"
    & skf21("2","6","3","4","7","2","6","1") = "6"
    & skf21("2","6","3","4","7","2","7","1") = "6"
    & skf21("2","6","3","4","7","3","1","1") = "6"
    & skf21("2","6","3","4","7","3","2","1") = "6"
    & skf21("2","6","3","4","7","3","3","1") = "6"
    & skf21("2","6","3","4","7","3","4","1") = "6"
    & skf21("2","6","3","4","7","3","5","1") = "6"
    & skf21("2","6","3","4","7","3","6","1") = "6"
    & skf21("2","6","3","4","7","3","7","1") = "6"
    & skf21("2","6","3","4","7","4","1","1") = "6"
    & skf21("2","6","3","4","7","4","2","1") = "6"
    & skf21("2","6","3","4","7","4","3","1") = "6"
    & skf21("2","6","3","4","7","4","4","1") = "6"
    & skf21("2","6","3","4","7","4","5","1") = "6"
    & skf21("2","6","3","4","7","4","6","1") = "6"
    & skf21("2","6","3","4","7","4","7","1") = "6"
    & skf21("2","6","3","4","7","5","1","1") = "6"
    & skf21("2","6","3","4","7","5","2","1") = "6"
    & skf21("2","6","3","4","7","5","3","1") = "6"
    & skf21("2","6","3","4","7","5","4","1") = "6"
    & skf21("2","6","3","4","7","5","5","1") = "6"
    & skf21("2","6","3","4","7","5","6","1") = "6"
    & skf21("2","6","3","4","7","5","7","1") = "6"
    & skf21("2","6","3","4","7","6","1","1") = "6"
    & skf21("2","6","3","4","7","6","2","1") = "6"
    & skf21("2","6","3","4","7","6","3","1") = "6"
    & skf21("2","6","3","4","7","6","4","1") = "6"
    & skf21("2","6","3","4","7","6","5","1") = "6"
    & skf21("2","6","3","4","7","6","6","1") = "6"
    & skf21("2","6","3","4","7","6","7","1") = "6"
    & skf21("2","6","3","4","7","7","1","1") = "6"
    & skf21("2","6","3","4","7","7","2","1") = "6"
    & skf21("2","6","3","4","7","7","3","1") = "6"
    & skf21("2","6","3","4","7","7","4","1") = "6"
    & skf21("2","6","3","4","7","7","5","1") = "6"
    & skf21("2","6","3","4","7","7","6","1") = "6"
    & skf21("2","6","3","4","7","7","7","1") = "6"
    & skf21("2","6","3","5","1","1","1","1") = "5"
    & skf21("2","6","3","5","1","1","2","1") = "5"
    & skf21("2","6","3","5","1","1","3","1") = "5"
    & skf21("2","6","3","5","1","1","4","1") = "5"
    & skf21("2","6","3","5","1","1","5","1") = "5"
    & skf21("2","6","3","5","1","1","6","1") = "5"
    & skf21("2","6","3","5","1","1","7","1") = "6"
    & skf21("2","6","3","5","1","2","1","1") = "5"
    & skf21("2","6","3","5","1","2","2","1") = "5"
    & skf21("2","6","3","5","1","2","3","1") = "5"
    & skf21("2","6","3","5","1","2","4","1") = "5"
    & skf21("2","6","3","5","1","2","5","1") = "5"
    & skf21("2","6","3","5","1","2","6","1") = "5"
    & skf21("2","6","3","5","1","2","7","1") = "6"
    & skf21("2","6","3","5","1","3","1","1") = "5"
    & skf21("2","6","3","5","1","3","2","1") = "5"
    & skf21("2","6","3","5","1","3","3","1") = "5"
    & skf21("2","6","3","5","1","3","4","1") = "5"
    & skf21("2","6","3","5","1","3","5","1") = "5"
    & skf21("2","6","3","5","1","3","6","1") = "5"
    & skf21("2","6","3","5","1","3","7","1") = "6"
    & skf21("2","6","3","5","1","4","1","1") = "5"
    & skf21("2","6","3","5","1","4","2","1") = "5"
    & skf21("2","6","3","5","1","4","3","1") = "5"
    & skf21("2","6","3","5","1","4","4","1") = "5"
    & skf21("2","6","3","5","1","4","5","1") = "5"
    & skf21("2","6","3","5","1","4","6","1") = "5"
    & skf21("2","6","3","5","1","4","7","1") = "6"
    & skf21("2","6","3","5","1","5","1","1") = "5"
    & skf21("2","6","3","5","1","5","2","1") = "5"
    & skf21("2","6","3","5","1","5","3","1") = "5"
    & skf21("2","6","3","5","1","5","4","1") = "5"
    & skf21("2","6","3","5","1","5","5","1") = "5"
    & skf21("2","6","3","5","1","5","6","1") = "5"
    & skf21("2","6","3","5","1","5","7","1") = "6"
    & skf21("2","6","3","5","1","6","1","1") = "5"
    & skf21("2","6","3","5","1","6","2","1") = "5"
    & skf21("2","6","3","5","1","6","3","1") = "5"
    & skf21("2","6","3","5","1","6","4","1") = "5"
    & skf21("2","6","3","5","1","6","5","1") = "5"
    & skf21("2","6","3","5","1","6","6","1") = "5"
    & skf21("2","6","3","5","1","6","7","1") = "6"
    & skf21("2","6","3","5","1","7","1","1") = "6"
    & skf21("2","6","3","5","1","7","2","1") = "6"
    & skf21("2","6","3","5","1","7","3","1") = "6"
    & skf21("2","6","3","5","1","7","4","1") = "6"
    & skf21("2","6","3","5","1","7","5","1") = "6"
    & skf21("2","6","3","5","1","7","6","1") = "6"
    & skf21("2","6","3","5","1","7","7","1") = "6"
    & skf21("2","6","3","5","2","1","1","1") = "5"
    & skf21("2","6","3","5","2","1","2","1") = "5"
    & skf21("2","6","3","5","2","1","3","1") = "5"
    & skf21("2","6","3","5","2","1","4","1") = "5"
    & skf21("2","6","3","5","2","1","5","1") = "5"
    & skf21("2","6","3","5","2","1","6","1") = "5"
    & skf21("2","6","3","5","2","1","7","1") = "6"
    & skf21("2","6","3","5","2","2","1","1") = "5"
    & skf21("2","6","3","5","2","2","2","1") = "5"
    & skf21("2","6","3","5","2","2","3","1") = "5"
    & skf21("2","6","3","5","2","2","4","1") = "5"
    & skf21("2","6","3","5","2","2","5","1") = "5"
    & skf21("2","6","3","5","2","2","6","1") = "5"
    & skf21("2","6","3","5","2","2","7","1") = "6"
    & skf21("2","6","3","5","2","3","1","1") = "5"
    & skf21("2","6","3","5","2","3","2","1") = "5"
    & skf21("2","6","3","5","2","3","3","1") = "5"
    & skf21("2","6","3","5","2","3","4","1") = "5"
    & skf21("2","6","3","5","2","3","5","1") = "5"
    & skf21("2","6","3","5","2","3","6","1") = "5"
    & skf21("2","6","3","5","2","3","7","1") = "6"
    & skf21("2","6","3","5","2","4","1","1") = "5"
    & skf21("2","6","3","5","2","4","2","1") = "5"
    & skf21("2","6","3","5","2","4","3","1") = "5"
    & skf21("2","6","3","5","2","4","4","1") = "5"
    & skf21("2","6","3","5","2","4","5","1") = "5"
    & skf21("2","6","3","5","2","4","6","1") = "5"
    & skf21("2","6","3","5","2","4","7","1") = "6"
    & skf21("2","6","3","5","2","5","1","1") = "5"
    & skf21("2","6","3","5","2","5","2","1") = "5"
    & skf21("2","6","3","5","2","5","3","1") = "5"
    & skf21("2","6","3","5","2","5","4","1") = "5"
    & skf21("2","6","3","5","2","5","5","1") = "5"
    & skf21("2","6","3","5","2","5","6","1") = "5"
    & skf21("2","6","3","5","2","5","7","1") = "6"
    & skf21("2","6","3","5","2","6","1","1") = "5"
    & skf21("2","6","3","5","2","6","2","1") = "5"
    & skf21("2","6","3","5","2","6","3","1") = "5"
    & skf21("2","6","3","5","2","6","4","1") = "5"
    & skf21("2","6","3","5","2","6","5","1") = "5"
    & skf21("2","6","3","5","2","6","6","1") = "5"
    & skf21("2","6","3","5","2","6","7","1") = "6"
    & skf21("2","6","3","5","2","7","1","1") = "6"
    & skf21("2","6","3","5","2","7","2","1") = "6"
    & skf21("2","6","3","5","2","7","3","1") = "6"
    & skf21("2","6","3","5","2","7","4","1") = "6"
    & skf21("2","6","3","5","2","7","5","1") = "6"
    & skf21("2","6","3","5","2","7","6","1") = "6"
    & skf21("2","6","3","5","2","7","7","1") = "6"
    & skf21("2","6","3","5","3","1","1","1") = "5"
    & skf21("2","6","3","5","3","1","2","1") = "5"
    & skf21("2","6","3","5","3","1","3","1") = "5"
    & skf21("2","6","3","5","3","1","4","1") = "5"
    & skf21("2","6","3","5","3","1","5","1") = "5"
    & skf21("2","6","3","5","3","1","6","1") = "5"
    & skf21("2","6","3","5","3","1","7","1") = "6"
    & skf21("2","6","3","5","3","2","1","1") = "5"
    & skf21("2","6","3","5","3","2","2","1") = "5"
    & skf21("2","6","3","5","3","2","3","1") = "5"
    & skf21("2","6","3","5","3","2","4","1") = "5"
    & skf21("2","6","3","5","3","2","5","1") = "5"
    & skf21("2","6","3","5","3","2","6","1") = "5"
    & skf21("2","6","3","5","3","2","7","1") = "6"
    & skf21("2","6","3","5","3","3","1","1") = "5"
    & skf21("2","6","3","5","3","3","2","1") = "5"
    & skf21("2","6","3","5","3","3","3","1") = "5"
    & skf21("2","6","3","5","3","3","4","1") = "5"
    & skf21("2","6","3","5","3","3","5","1") = "5"
    & skf21("2","6","3","5","3","3","6","1") = "5"
    & skf21("2","6","3","5","3","3","7","1") = "6"
    & skf21("2","6","3","5","3","4","1","1") = "5"
    & skf21("2","6","3","5","3","4","2","1") = "5"
    & skf21("2","6","3","5","3","4","3","1") = "5"
    & skf21("2","6","3","5","3","4","4","1") = "5"
    & skf21("2","6","3","5","3","4","5","1") = "5"
    & skf21("2","6","3","5","3","4","6","1") = "5"
    & skf21("2","6","3","5","3","4","7","1") = "6"
    & skf21("2","6","3","5","3","5","1","1") = "5"
    & skf21("2","6","3","5","3","5","2","1") = "5"
    & skf21("2","6","3","5","3","5","3","1") = "5"
    & skf21("2","6","3","5","3","5","4","1") = "5"
    & skf21("2","6","3","5","3","5","5","1") = "5"
    & skf21("2","6","3","5","3","5","6","1") = "5"
    & skf21("2","6","3","5","3","5","7","1") = "6"
    & skf21("2","6","3","5","3","6","1","1") = "5"
    & skf21("2","6","3","5","3","6","2","1") = "5"
    & skf21("2","6","3","5","3","6","3","1") = "5"
    & skf21("2","6","3","5","3","6","4","1") = "5"
    & skf21("2","6","3","5","3","6","5","1") = "5"
    & skf21("2","6","3","5","3","6","6","1") = "5"
    & skf21("2","6","3","5","3","6","7","1") = "6"
    & skf21("2","6","3","5","3","7","1","1") = "6"
    & skf21("2","6","3","5","3","7","2","1") = "6"
    & skf21("2","6","3","5","3","7","3","1") = "6"
    & skf21("2","6","3","5","3","7","4","1") = "6"
    & skf21("2","6","3","5","3","7","5","1") = "6"
    & skf21("2","6","3","5","3","7","6","1") = "6"
    & skf21("2","6","3","5","3","7","7","1") = "6"
    & skf21("2","6","3","5","4","1","1","1") = "5"
    & skf21("2","6","3","5","4","1","2","1") = "5"
    & skf21("2","6","3","5","4","1","3","1") = "5"
    & skf21("2","6","3","5","4","1","4","1") = "5"
    & skf21("2","6","3","5","4","1","5","1") = "5"
    & skf21("2","6","3","5","4","1","6","1") = "5"
    & skf21("2","6","3","5","4","1","7","1") = "6"
    & skf21("2","6","3","5","4","2","1","1") = "5"
    & skf21("2","6","3","5","4","2","2","1") = "5"
    & skf21("2","6","3","5","4","2","3","1") = "5"
    & skf21("2","6","3","5","4","2","4","1") = "5"
    & skf21("2","6","3","5","4","2","5","1") = "5"
    & skf21("2","6","3","5","4","2","6","1") = "5"
    & skf21("2","6","3","5","4","2","7","1") = "6"
    & skf21("2","6","3","5","4","3","1","1") = "5"
    & skf21("2","6","3","5","4","3","2","1") = "5"
    & skf21("2","6","3","5","4","3","3","1") = "5"
    & skf21("2","6","3","5","4","3","4","1") = "5"
    & skf21("2","6","3","5","4","3","5","1") = "5"
    & skf21("2","6","3","5","4","3","6","1") = "5"
    & skf21("2","6","3","5","4","3","7","1") = "6"
    & skf21("2","6","3","5","4","4","1","1") = "5"
    & skf21("2","6","3","5","4","4","2","1") = "5"
    & skf21("2","6","3","5","4","4","3","1") = "5"
    & skf21("2","6","3","5","4","4","4","1") = "5"
    & skf21("2","6","3","5","4","4","5","1") = "5"
    & skf21("2","6","3","5","4","4","6","1") = "5"
    & skf21("2","6","3","5","4","4","7","1") = "6"
    & skf21("2","6","3","5","4","5","1","1") = "5"
    & skf21("2","6","3","5","4","5","2","1") = "5"
    & skf21("2","6","3","5","4","5","3","1") = "5"
    & skf21("2","6","3","5","4","5","4","1") = "5"
    & skf21("2","6","3","5","4","5","5","1") = "5"
    & skf21("2","6","3","5","4","5","6","1") = "5"
    & skf21("2","6","3","5","4","5","7","1") = "6"
    & skf21("2","6","3","5","4","6","1","1") = "5"
    & skf21("2","6","3","5","4","6","2","1") = "5"
    & skf21("2","6","3","5","4","6","3","1") = "5"
    & skf21("2","6","3","5","4","6","4","1") = "5"
    & skf21("2","6","3","5","4","6","5","1") = "5"
    & skf21("2","6","3","5","4","6","6","1") = "5"
    & skf21("2","6","3","5","4","6","7","1") = "6"
    & skf21("2","6","3","5","4","7","1","1") = "6"
    & skf21("2","6","3","5","4","7","2","1") = "6"
    & skf21("2","6","3","5","4","7","3","1") = "6"
    & skf21("2","6","3","5","4","7","4","1") = "6"
    & skf21("2","6","3","5","4","7","5","1") = "6"
    & skf21("2","6","3","5","4","7","6","1") = "6"
    & skf21("2","6","3","5","4","7","7","1") = "6"
    & skf21("2","6","3","5","5","1","1","1") = "5"
    & skf21("2","6","3","5","5","1","2","1") = "5"
    & skf21("2","6","3","5","5","1","3","1") = "5"
    & skf21("2","6","3","5","5","1","4","1") = "5"
    & skf21("2","6","3","5","5","1","5","1") = "5"
    & skf21("2","6","3","5","5","1","6","1") = "5"
    & skf21("2","6","3","5","5","1","7","1") = "6"
    & skf21("2","6","3","5","5","2","1","1") = "5"
    & skf21("2","6","3","5","5","2","2","1") = "5"
    & skf21("2","6","3","5","5","2","3","1") = "5"
    & skf21("2","6","3","5","5","2","4","1") = "5"
    & skf21("2","6","3","5","5","2","5","1") = "5"
    & skf21("2","6","3","5","5","2","6","1") = "5"
    & skf21("2","6","3","5","5","2","7","1") = "6"
    & skf21("2","6","3","5","5","3","1","1") = "5"
    & skf21("2","6","3","5","5","3","2","1") = "5"
    & skf21("2","6","3","5","5","3","3","1") = "5"
    & skf21("2","6","3","5","5","3","4","1") = "5"
    & skf21("2","6","3","5","5","3","5","1") = "5"
    & skf21("2","6","3","5","5","3","6","1") = "5"
    & skf21("2","6","3","5","5","3","7","1") = "6"
    & skf21("2","6","3","5","5","4","1","1") = "5"
    & skf21("2","6","3","5","5","4","2","1") = "5"
    & skf21("2","6","3","5","5","4","3","1") = "5"
    & skf21("2","6","3","5","5","4","4","1") = "5"
    & skf21("2","6","3","5","5","4","5","1") = "5"
    & skf21("2","6","3","5","5","4","6","1") = "5"
    & skf21("2","6","3","5","5","4","7","1") = "6"
    & skf21("2","6","3","5","5","5","1","1") = "5"
    & skf21("2","6","3","5","5","5","2","1") = "5"
    & skf21("2","6","3","5","5","5","3","1") = "5"
    & skf21("2","6","3","5","5","5","4","1") = "5"
    & skf21("2","6","3","5","5","5","5","1") = "5"
    & skf21("2","6","3","5","5","5","6","1") = "5"
    & skf21("2","6","3","5","5","5","7","1") = "6"
    & skf21("2","6","3","5","5","6","1","1") = "5"
    & skf21("2","6","3","5","5","6","2","1") = "5"
    & skf21("2","6","3","5","5","6","3","1") = "5"
    & skf21("2","6","3","5","5","6","4","1") = "5"
    & skf21("2","6","3","5","5","6","5","1") = "5"
    & skf21("2","6","3","5","5","6","6","1") = "5"
    & skf21("2","6","3","5","5","6","7","1") = "6"
    & skf21("2","6","3","5","5","7","1","1") = "6"
    & skf21("2","6","3","5","5","7","2","1") = "6"
    & skf21("2","6","3","5","5","7","3","1") = "6"
    & skf21("2","6","3","5","5","7","4","1") = "6"
    & skf21("2","6","3","5","5","7","5","1") = "6"
    & skf21("2","6","3","5","5","7","6","1") = "6"
    & skf21("2","6","3","5","5","7","7","1") = "6"
    & skf21("2","6","3","5","6","1","1","1") = "5"
    & skf21("2","6","3","5","6","1","2","1") = "5"
    & skf21("2","6","3","5","6","1","3","1") = "5"
    & skf21("2","6","3","5","6","1","4","1") = "5"
    & skf21("2","6","3","5","6","1","5","1") = "5"
    & skf21("2","6","3","5","6","1","6","1") = "5"
    & skf21("2","6","3","5","6","1","7","1") = "6"
    & skf21("2","6","3","5","6","2","1","1") = "5"
    & skf21("2","6","3","5","6","2","2","1") = "5"
    & skf21("2","6","3","5","6","2","3","1") = "5"
    & skf21("2","6","3","5","6","2","4","1") = "5"
    & skf21("2","6","3","5","6","2","5","1") = "5"
    & skf21("2","6","3","5","6","2","6","1") = "5"
    & skf21("2","6","3","5","6","2","7","1") = "6"
    & skf21("2","6","3","5","6","3","1","1") = "5"
    & skf21("2","6","3","5","6","3","2","1") = "5"
    & skf21("2","6","3","5","6","3","3","1") = "5"
    & skf21("2","6","3","5","6","3","4","1") = "5"
    & skf21("2","6","3","5","6","3","5","1") = "5"
    & skf21("2","6","3","5","6","3","6","1") = "5"
    & skf21("2","6","3","5","6","3","7","1") = "6"
    & skf21("2","6","3","5","6","4","1","1") = "5"
    & skf21("2","6","3","5","6","4","2","1") = "5"
    & skf21("2","6","3","5","6","4","3","1") = "5"
    & skf21("2","6","3","5","6","4","4","1") = "5"
    & skf21("2","6","3","5","6","4","5","1") = "5"
    & skf21("2","6","3","5","6","4","6","1") = "5"
    & skf21("2","6","3","5","6","4","7","1") = "6"
    & skf21("2","6","3","5","6","5","1","1") = "5"
    & skf21("2","6","3","5","6","5","2","1") = "5"
    & skf21("2","6","3","5","6","5","3","1") = "5"
    & skf21("2","6","3","5","6","5","4","1") = "5"
    & skf21("2","6","3","5","6","5","5","1") = "5"
    & skf21("2","6","3","5","6","5","6","1") = "5"
    & skf21("2","6","3","5","6","5","7","1") = "6"
    & skf21("2","6","3","5","6","6","1","1") = "5"
    & skf21("2","6","3","5","6","6","2","1") = "5"
    & skf21("2","6","3","5","6","6","3","1") = "5"
    & skf21("2","6","3","5","6","6","4","1") = "5"
    & skf21("2","6","3","5","6","6","5","1") = "5"
    & skf21("2","6","3","5","6","6","6","1") = "5"
    & skf21("2","6","3","5","6","6","7","1") = "6"
    & skf21("2","6","3","5","6","7","1","1") = "6"
    & skf21("2","6","3","5","6","7","2","1") = "6"
    & skf21("2","6","3","5","6","7","3","1") = "6"
    & skf21("2","6","3","5","6","7","4","1") = "6"
    & skf21("2","6","3","5","6","7","5","1") = "6"
    & skf21("2","6","3","5","6","7","6","1") = "6"
    & skf21("2","6","3","5","6","7","7","1") = "6"
    & skf21("2","6","3","5","7","1","1","1") = "6"
    & skf21("2","6","3","5","7","1","2","1") = "6"
    & skf21("2","6","3","5","7","1","3","1") = "6"
    & skf21("2","6","3","5","7","1","4","1") = "6"
    & skf21("2","6","3","5","7","1","5","1") = "6"
    & skf21("2","6","3","5","7","1","6","1") = "6"
    & skf21("2","6","3","5","7","1","7","1") = "6"
    & skf21("2","6","3","5","7","2","1","1") = "6"
    & skf21("2","6","3","5","7","2","2","1") = "6"
    & skf21("2","6","3","5","7","2","3","1") = "6"
    & skf21("2","6","3","5","7","2","4","1") = "6"
    & skf21("2","6","3","5","7","2","5","1") = "6"
    & skf21("2","6","3","5","7","2","6","1") = "6"
    & skf21("2","6","3","5","7","2","7","1") = "6"
    & skf21("2","6","3","5","7","3","1","1") = "6"
    & skf21("2","6","3","5","7","3","2","1") = "6"
    & skf21("2","6","3","5","7","3","3","1") = "6"
    & skf21("2","6","3","5","7","3","4","1") = "6"
    & skf21("2","6","3","5","7","3","5","1") = "6"
    & skf21("2","6","3","5","7","3","6","1") = "6"
    & skf21("2","6","3","5","7","3","7","1") = "6"
    & skf21("2","6","3","5","7","4","1","1") = "6"
    & skf21("2","6","3","5","7","4","2","1") = "6"
    & skf21("2","6","3","5","7","4","3","1") = "6"
    & skf21("2","6","3","5","7","4","4","1") = "6"
    & skf21("2","6","3","5","7","4","5","1") = "6"
    & skf21("2","6","3","5","7","4","6","1") = "6"
    & skf21("2","6","3","5","7","4","7","1") = "6"
    & skf21("2","6","3","5","7","5","1","1") = "6"
    & skf21("2","6","3","5","7","5","2","1") = "6"
    & skf21("2","6","3","5","7","5","3","1") = "6"
    & skf21("2","6","3","5","7","5","4","1") = "6"
    & skf21("2","6","3","5","7","5","5","1") = "6"
    & skf21("2","6","3","5","7","5","6","1") = "6"
    & skf21("2","6","3","5","7","5","7","1") = "6"
    & skf21("2","6","3","5","7","6","1","1") = "6"
    & skf21("2","6","3","5","7","6","2","1") = "6"
    & skf21("2","6","3","5","7","6","3","1") = "6"
    & skf21("2","6","3","5","7","6","4","1") = "6"
    & skf21("2","6","3","5","7","6","5","1") = "6"
    & skf21("2","6","3","5","7","6","6","1") = "6"
    & skf21("2","6","3","5","7","6","7","1") = "6"
    & skf21("2","6","3","5","7","7","1","1") = "6"
    & skf21("2","6","3","5","7","7","2","1") = "6"
    & skf21("2","6","3","5","7","7","3","1") = "6"
    & skf21("2","6","3","5","7","7","4","1") = "6"
    & skf21("2","6","3","5","7","7","5","1") = "6"
    & skf21("2","6","3","5","7","7","6","1") = "6"
    & skf21("2","6","3","5","7","7","7","1") = "6"
    & skf21("2","6","3","6","1","1","1","1") = "5"
    & skf21("2","6","3","6","1","1","2","1") = "5"
    & skf21("2","6","3","6","1","1","3","1") = "5"
    & skf21("2","6","3","6","1","1","4","1") = "5"
    & skf21("2","6","3","6","1","1","5","1") = "5"
    & skf21("2","6","3","6","1","1","6","1") = "5"
    & skf21("2","6","3","6","1","1","7","1") = "6"
    & skf21("2","6","3","6","1","2","1","1") = "5"
    & skf21("2","6","3","6","1","2","2","1") = "5"
    & skf21("2","6","3","6","1","2","3","1") = "5"
    & skf21("2","6","3","6","1","2","4","1") = "5"
    & skf21("2","6","3","6","1","2","5","1") = "5"
    & skf21("2","6","3","6","1","2","6","1") = "5"
    & skf21("2","6","3","6","1","2","7","1") = "6"
    & skf21("2","6","3","6","1","3","1","1") = "5"
    & skf21("2","6","3","6","1","3","2","1") = "5"
    & skf21("2","6","3","6","1","3","3","1") = "5"
    & skf21("2","6","3","6","1","3","4","1") = "5"
    & skf21("2","6","3","6","1","3","5","1") = "5"
    & skf21("2","6","3","6","1","3","6","1") = "5"
    & skf21("2","6","3","6","1","3","7","1") = "6"
    & skf21("2","6","3","6","1","4","1","1") = "5"
    & skf21("2","6","3","6","1","4","2","1") = "5"
    & skf21("2","6","3","6","1","4","3","1") = "5"
    & skf21("2","6","3","6","1","4","4","1") = "5"
    & skf21("2","6","3","6","1","4","5","1") = "5"
    & skf21("2","6","3","6","1","4","6","1") = "5"
    & skf21("2","6","3","6","1","4","7","1") = "6"
    & skf21("2","6","3","6","1","5","1","1") = "5"
    & skf21("2","6","3","6","1","5","2","1") = "5"
    & skf21("2","6","3","6","1","5","3","1") = "5"
    & skf21("2","6","3","6","1","5","4","1") = "5"
    & skf21("2","6","3","6","1","5","5","1") = "5"
    & skf21("2","6","3","6","1","5","6","1") = "5"
    & skf21("2","6","3","6","1","5","7","1") = "6"
    & skf21("2","6","3","6","1","6","1","1") = "5"
    & skf21("2","6","3","6","1","6","2","1") = "5"
    & skf21("2","6","3","6","1","6","3","1") = "5"
    & skf21("2","6","3","6","1","6","4","1") = "5"
    & skf21("2","6","3","6","1","6","5","1") = "5"
    & skf21("2","6","3","6","1","6","6","1") = "5"
    & skf21("2","6","3","6","1","6","7","1") = "6"
    & skf21("2","6","3","6","1","7","1","1") = "6"
    & skf21("2","6","3","6","1","7","2","1") = "6"
    & skf21("2","6","3","6","1","7","3","1") = "6"
    & skf21("2","6","3","6","1","7","4","1") = "6"
    & skf21("2","6","3","6","1","7","5","1") = "6"
    & skf21("2","6","3","6","1","7","6","1") = "6"
    & skf21("2","6","3","6","1","7","7","1") = "6"
    & skf21("2","6","3","6","2","1","1","1") = "5"
    & skf21("2","6","3","6","2","1","2","1") = "5"
    & skf21("2","6","3","6","2","1","3","1") = "5"
    & skf21("2","6","3","6","2","1","4","1") = "5"
    & skf21("2","6","3","6","2","1","5","1") = "5"
    & skf21("2","6","3","6","2","1","6","1") = "5"
    & skf21("2","6","3","6","2","1","7","1") = "6"
    & skf21("2","6","3","6","2","2","1","1") = "5"
    & skf21("2","6","3","6","2","2","2","1") = "5"
    & skf21("2","6","3","6","2","2","3","1") = "5"
    & skf21("2","6","3","6","2","2","4","1") = "5"
    & skf21("2","6","3","6","2","2","5","1") = "5"
    & skf21("2","6","3","6","2","2","6","1") = "5"
    & skf21("2","6","3","6","2","2","7","1") = "6"
    & skf21("2","6","3","6","2","3","1","1") = "5"
    & skf21("2","6","3","6","2","3","2","1") = "5"
    & skf21("2","6","3","6","2","3","3","1") = "5"
    & skf21("2","6","3","6","2","3","4","1") = "5"
    & skf21("2","6","3","6","2","3","5","1") = "5"
    & skf21("2","6","3","6","2","3","6","1") = "5"
    & skf21("2","6","3","6","2","3","7","1") = "6"
    & skf21("2","6","3","6","2","4","1","1") = "5"
    & skf21("2","6","3","6","2","4","2","1") = "5"
    & skf21("2","6","3","6","2","4","3","1") = "5"
    & skf21("2","6","3","6","2","4","4","1") = "5"
    & skf21("2","6","3","6","2","4","5","1") = "5"
    & skf21("2","6","3","6","2","4","6","1") = "5"
    & skf21("2","6","3","6","2","4","7","1") = "6"
    & skf21("2","6","3","6","2","5","1","1") = "5"
    & skf21("2","6","3","6","2","5","2","1") = "5"
    & skf21("2","6","3","6","2","5","3","1") = "5"
    & skf21("2","6","3","6","2","5","4","1") = "5"
    & skf21("2","6","3","6","2","5","5","1") = "5"
    & skf21("2","6","3","6","2","5","6","1") = "5"
    & skf21("2","6","3","6","2","5","7","1") = "6"
    & skf21("2","6","3","6","2","6","1","1") = "5"
    & skf21("2","6","3","6","2","6","2","1") = "5"
    & skf21("2","6","3","6","2","6","3","1") = "5"
    & skf21("2","6","3","6","2","6","4","1") = "5"
    & skf21("2","6","3","6","2","6","5","1") = "5"
    & skf21("2","6","3","6","2","6","6","1") = "5"
    & skf21("2","6","3","6","2","6","7","1") = "6"
    & skf21("2","6","3","6","2","7","1","1") = "6"
    & skf21("2","6","3","6","2","7","2","1") = "6"
    & skf21("2","6","3","6","2","7","3","1") = "6"
    & skf21("2","6","3","6","2","7","4","1") = "6"
    & skf21("2","6","3","6","2","7","5","1") = "6"
    & skf21("2","6","3","6","2","7","6","1") = "6"
    & skf21("2","6","3","6","2","7","7","1") = "6"
    & skf21("2","6","3","6","3","1","1","1") = "5"
    & skf21("2","6","3","6","3","1","2","1") = "5"
    & skf21("2","6","3","6","3","1","3","1") = "5"
    & skf21("2","6","3","6","3","1","4","1") = "5"
    & skf21("2","6","3","6","3","1","5","1") = "5"
    & skf21("2","6","3","6","3","1","6","1") = "5"
    & skf21("2","6","3","6","3","1","7","1") = "6"
    & skf21("2","6","3","6","3","2","1","1") = "5"
    & skf21("2","6","3","6","3","2","2","1") = "5"
    & skf21("2","6","3","6","3","2","3","1") = "5"
    & skf21("2","6","3","6","3","2","4","1") = "5"
    & skf21("2","6","3","6","3","2","5","1") = "5"
    & skf21("2","6","3","6","3","2","6","1") = "5"
    & skf21("2","6","3","6","3","2","7","1") = "6"
    & skf21("2","6","3","6","3","3","1","1") = "5"
    & skf21("2","6","3","6","3","3","2","1") = "5"
    & skf21("2","6","3","6","3","3","3","1") = "5"
    & skf21("2","6","3","6","3","3","4","1") = "5"
    & skf21("2","6","3","6","3","3","5","1") = "5"
    & skf21("2","6","3","6","3","3","6","1") = "5"
    & skf21("2","6","3","6","3","3","7","1") = "6"
    & skf21("2","6","3","6","3","4","1","1") = "5"
    & skf21("2","6","3","6","3","4","2","1") = "5"
    & skf21("2","6","3","6","3","4","3","1") = "5"
    & skf21("2","6","3","6","3","4","4","1") = "5"
    & skf21("2","6","3","6","3","4","5","1") = "5"
    & skf21("2","6","3","6","3","4","6","1") = "5"
    & skf21("2","6","3","6","3","4","7","1") = "6"
    & skf21("2","6","3","6","3","5","1","1") = "5"
    & skf21("2","6","3","6","3","5","2","1") = "5"
    & skf21("2","6","3","6","3","5","3","1") = "5"
    & skf21("2","6","3","6","3","5","4","1") = "5"
    & skf21("2","6","3","6","3","5","5","1") = "5"
    & skf21("2","6","3","6","3","5","6","1") = "5"
    & skf21("2","6","3","6","3","5","7","1") = "6"
    & skf21("2","6","3","6","3","6","1","1") = "5"
    & skf21("2","6","3","6","3","6","2","1") = "5"
    & skf21("2","6","3","6","3","6","3","1") = "5"
    & skf21("2","6","3","6","3","6","4","1") = "5"
    & skf21("2","6","3","6","3","6","5","1") = "5"
    & skf21("2","6","3","6","3","6","6","1") = "5"
    & skf21("2","6","3","6","3","6","7","1") = "6"
    & skf21("2","6","3","6","3","7","1","1") = "6"
    & skf21("2","6","3","6","3","7","2","1") = "6"
    & skf21("2","6","3","6","3","7","3","1") = "6"
    & skf21("2","6","3","6","3","7","4","1") = "6"
    & skf21("2","6","3","6","3","7","5","1") = "6"
    & skf21("2","6","3","6","3","7","6","1") = "6"
    & skf21("2","6","3","6","3","7","7","1") = "6"
    & skf21("2","6","3","6","4","1","1","1") = "5"
    & skf21("2","6","3","6","4","1","2","1") = "5"
    & skf21("2","6","3","6","4","1","3","1") = "5"
    & skf21("2","6","3","6","4","1","4","1") = "5"
    & skf21("2","6","3","6","4","1","5","1") = "5"
    & skf21("2","6","3","6","4","1","6","1") = "5"
    & skf21("2","6","3","6","4","1","7","1") = "6"
    & skf21("2","6","3","6","4","2","1","1") = "5"
    & skf21("2","6","3","6","4","2","2","1") = "5"
    & skf21("2","6","3","6","4","2","3","1") = "5"
    & skf21("2","6","3","6","4","2","4","1") = "5"
    & skf21("2","6","3","6","4","2","5","1") = "5"
    & skf21("2","6","3","6","4","2","6","1") = "5"
    & skf21("2","6","3","6","4","2","7","1") = "6"
    & skf21("2","6","3","6","4","3","1","1") = "5"
    & skf21("2","6","3","6","4","3","2","1") = "5"
    & skf21("2","6","3","6","4","3","3","1") = "5"
    & skf21("2","6","3","6","4","3","4","1") = "5"
    & skf21("2","6","3","6","4","3","5","1") = "5"
    & skf21("2","6","3","6","4","3","6","1") = "5"
    & skf21("2","6","3","6","4","3","7","1") = "6"
    & skf21("2","6","3","6","4","4","1","1") = "5"
    & skf21("2","6","3","6","4","4","2","1") = "5"
    & skf21("2","6","3","6","4","4","3","1") = "5"
    & skf21("2","6","3","6","4","4","4","1") = "5"
    & skf21("2","6","3","6","4","4","5","1") = "5"
    & skf21("2","6","3","6","4","4","6","1") = "5"
    & skf21("2","6","3","6","4","4","7","1") = "6"
    & skf21("2","6","3","6","4","5","1","1") = "5"
    & skf21("2","6","3","6","4","5","2","1") = "5"
    & skf21("2","6","3","6","4","5","3","1") = "5"
    & skf21("2","6","3","6","4","5","4","1") = "5"
    & skf21("2","6","3","6","4","5","5","1") = "5"
    & skf21("2","6","3","6","4","5","6","1") = "5"
    & skf21("2","6","3","6","4","5","7","1") = "6"
    & skf21("2","6","3","6","4","6","1","1") = "5"
    & skf21("2","6","3","6","4","6","2","1") = "5"
    & skf21("2","6","3","6","4","6","3","1") = "5"
    & skf21("2","6","3","6","4","6","4","1") = "5"
    & skf21("2","6","3","6","4","6","5","1") = "5"
    & skf21("2","6","3","6","4","6","6","1") = "5"
    & skf21("2","6","3","6","4","6","7","1") = "6"
    & skf21("2","6","3","6","4","7","1","1") = "6"
    & skf21("2","6","3","6","4","7","2","1") = "6"
    & skf21("2","6","3","6","4","7","3","1") = "6"
    & skf21("2","6","3","6","4","7","4","1") = "6"
    & skf21("2","6","3","6","4","7","5","1") = "6"
    & skf21("2","6","3","6","4","7","6","1") = "6"
    & skf21("2","6","3","6","4","7","7","1") = "6"
    & skf21("2","6","3","6","5","1","1","1") = "5"
    & skf21("2","6","3","6","5","1","2","1") = "5"
    & skf21("2","6","3","6","5","1","3","1") = "5"
    & skf21("2","6","3","6","5","1","4","1") = "5"
    & skf21("2","6","3","6","5","1","5","1") = "5"
    & skf21("2","6","3","6","5","1","6","1") = "5"
    & skf21("2","6","3","6","5","1","7","1") = "6"
    & skf21("2","6","3","6","5","2","1","1") = "5"
    & skf21("2","6","3","6","5","2","2","1") = "5"
    & skf21("2","6","3","6","5","2","3","1") = "5"
    & skf21("2","6","3","6","5","2","4","1") = "5"
    & skf21("2","6","3","6","5","2","5","1") = "5"
    & skf21("2","6","3","6","5","2","6","1") = "5"
    & skf21("2","6","3","6","5","2","7","1") = "6"
    & skf21("2","6","3","6","5","3","1","1") = "5"
    & skf21("2","6","3","6","5","3","2","1") = "5"
    & skf21("2","6","3","6","5","3","3","1") = "5"
    & skf21("2","6","3","6","5","3","4","1") = "5"
    & skf21("2","6","3","6","5","3","5","1") = "5"
    & skf21("2","6","3","6","5","3","6","1") = "5"
    & skf21("2","6","3","6","5","3","7","1") = "6"
    & skf21("2","6","3","6","5","4","1","1") = "5"
    & skf21("2","6","3","6","5","4","2","1") = "5"
    & skf21("2","6","3","6","5","4","3","1") = "5"
    & skf21("2","6","3","6","5","4","4","1") = "5"
    & skf21("2","6","3","6","5","4","5","1") = "5"
    & skf21("2","6","3","6","5","4","6","1") = "5"
    & skf21("2","6","3","6","5","4","7","1") = "6"
    & skf21("2","6","3","6","5","5","1","1") = "5"
    & skf21("2","6","3","6","5","5","2","1") = "5"
    & skf21("2","6","3","6","5","5","3","1") = "5"
    & skf21("2","6","3","6","5","5","4","1") = "5"
    & skf21("2","6","3","6","5","5","5","1") = "5"
    & skf21("2","6","3","6","5","5","6","1") = "5"
    & skf21("2","6","3","6","5","5","7","1") = "6"
    & skf21("2","6","3","6","5","6","1","1") = "5"
    & skf21("2","6","3","6","5","6","2","1") = "5"
    & skf21("2","6","3","6","5","6","3","1") = "5"
    & skf21("2","6","3","6","5","6","4","1") = "5"
    & skf21("2","6","3","6","5","6","5","1") = "5"
    & skf21("2","6","3","6","5","6","6","1") = "5"
    & skf21("2","6","3","6","5","6","7","1") = "6"
    & skf21("2","6","3","6","5","7","1","1") = "6"
    & skf21("2","6","3","6","5","7","2","1") = "6"
    & skf21("2","6","3","6","5","7","3","1") = "6"
    & skf21("2","6","3","6","5","7","4","1") = "6"
    & skf21("2","6","3","6","5","7","5","1") = "6"
    & skf21("2","6","3","6","5","7","6","1") = "6"
    & skf21("2","6","3","6","5","7","7","1") = "6"
    & skf21("2","6","3","6","6","1","1","1") = "5"
    & skf21("2","6","3","6","6","1","2","1") = "5"
    & skf21("2","6","3","6","6","1","3","1") = "5"
    & skf21("2","6","3","6","6","1","4","1") = "5"
    & skf21("2","6","3","6","6","1","5","1") = "5"
    & skf21("2","6","3","6","6","1","6","1") = "5"
    & skf21("2","6","3","6","6","1","7","1") = "6"
    & skf21("2","6","3","6","6","2","1","1") = "5"
    & skf21("2","6","3","6","6","2","2","1") = "5"
    & skf21("2","6","3","6","6","2","3","1") = "5"
    & skf21("2","6","3","6","6","2","4","1") = "5"
    & skf21("2","6","3","6","6","2","5","1") = "5"
    & skf21("2","6","3","6","6","2","6","1") = "5"
    & skf21("2","6","3","6","6","2","7","1") = "6"
    & skf21("2","6","3","6","6","3","1","1") = "5"
    & skf21("2","6","3","6","6","3","2","1") = "5"
    & skf21("2","6","3","6","6","3","3","1") = "5"
    & skf21("2","6","3","6","6","3","4","1") = "5"
    & skf21("2","6","3","6","6","3","5","1") = "5"
    & skf21("2","6","3","6","6","3","6","1") = "5"
    & skf21("2","6","3","6","6","3","7","1") = "6"
    & skf21("2","6","3","6","6","4","1","1") = "5"
    & skf21("2","6","3","6","6","4","2","1") = "5"
    & skf21("2","6","3","6","6","4","3","1") = "5"
    & skf21("2","6","3","6","6","4","4","1") = "5"
    & skf21("2","6","3","6","6","4","5","1") = "5"
    & skf21("2","6","3","6","6","4","6","1") = "5"
    & skf21("2","6","3","6","6","4","7","1") = "6"
    & skf21("2","6","3","6","6","5","1","1") = "5"
    & skf21("2","6","3","6","6","5","2","1") = "5"
    & skf21("2","6","3","6","6","5","3","1") = "5"
    & skf21("2","6","3","6","6","5","4","1") = "5"
    & skf21("2","6","3","6","6","5","5","1") = "5"
    & skf21("2","6","3","6","6","5","6","1") = "5"
    & skf21("2","6","3","6","6","5","7","1") = "6"
    & skf21("2","6","3","6","6","6","1","1") = "5"
    & skf21("2","6","3","6","6","6","2","1") = "5"
    & skf21("2","6","3","6","6","6","3","1") = "5"
    & skf21("2","6","3","6","6","6","4","1") = "5"
    & skf21("2","6","3","6","6","6","5","1") = "5"
    & skf21("2","6","3","6","6","6","6","1") = "5"
    & skf21("2","6","3","6","6","6","7","1") = "6"
    & skf21("2","6","3","6","6","7","1","1") = "6"
    & skf21("2","6","3","6","6","7","2","1") = "6"
    & skf21("2","6","3","6","6","7","3","1") = "6"
    & skf21("2","6","3","6","6","7","4","1") = "6"
    & skf21("2","6","3","6","6","7","5","1") = "6"
    & skf21("2","6","3","6","6","7","6","1") = "6"
    & skf21("2","6","3","6","6","7","7","1") = "6"
    & skf21("2","6","3","6","7","1","1","1") = "6"
    & skf21("2","6","3","6","7","1","2","1") = "6"
    & skf21("2","6","3","6","7","1","3","1") = "6"
    & skf21("2","6","3","6","7","1","4","1") = "6"
    & skf21("2","6","3","6","7","1","5","1") = "6"
    & skf21("2","6","3","6","7","1","6","1") = "6"
    & skf21("2","6","3","6","7","1","7","1") = "6"
    & skf21("2","6","3","6","7","2","1","1") = "6"
    & skf21("2","6","3","6","7","2","2","1") = "6"
    & skf21("2","6","3","6","7","2","3","1") = "6"
    & skf21("2","6","3","6","7","2","4","1") = "6"
    & skf21("2","6","3","6","7","2","5","1") = "6"
    & skf21("2","6","3","6","7","2","6","1") = "6"
    & skf21("2","6","3","6","7","2","7","1") = "6"
    & skf21("2","6","3","6","7","3","1","1") = "6"
    & skf21("2","6","3","6","7","3","2","1") = "6"
    & skf21("2","6","3","6","7","3","3","1") = "6"
    & skf21("2","6","3","6","7","3","4","1") = "6"
    & skf21("2","6","3","6","7","3","5","1") = "6"
    & skf21("2","6","3","6","7","3","6","1") = "6"
    & skf21("2","6","3","6","7","3","7","1") = "6"
    & skf21("2","6","3","6","7","4","1","1") = "6"
    & skf21("2","6","3","6","7","4","2","1") = "6"
    & skf21("2","6","3","6","7","4","3","1") = "6"
    & skf21("2","6","3","6","7","4","4","1") = "6"
    & skf21("2","6","3","6","7","4","5","1") = "6"
    & skf21("2","6","3","6","7","4","6","1") = "6"
    & skf21("2","6","3","6","7","4","7","1") = "6"
    & skf21("2","6","3","6","7","5","1","1") = "6"
    & skf21("2","6","3","6","7","5","2","1") = "6"
    & skf21("2","6","3","6","7","5","3","1") = "6"
    & skf21("2","6","3","6","7","5","4","1") = "6"
    & skf21("2","6","3","6","7","5","5","1") = "6"
    & skf21("2","6","3","6","7","5","6","1") = "6"
    & skf21("2","6","3","6","7","5","7","1") = "6"
    & skf21("2","6","3","6","7","6","1","1") = "6"
    & skf21("2","6","3","6","7","6","2","1") = "6"
    & skf21("2","6","3","6","7","6","3","1") = "6"
    & skf21("2","6","3","6","7","6","4","1") = "6"
    & skf21("2","6","3","6","7","6","5","1") = "6"
    & skf21("2","6","3","6","7","6","6","1") = "6"
    & skf21("2","6","3","6","7","6","7","1") = "6"
    & skf21("2","6","3","6","7","7","1","1") = "6"
    & skf21("2","6","3","6","7","7","2","1") = "6"
    & skf21("2","6","3","6","7","7","3","1") = "6"
    & skf21("2","6","3","6","7","7","4","1") = "6"
    & skf21("2","6","3","6","7","7","5","1") = "6"
    & skf21("2","6","3","6","7","7","6","1") = "6"
    & skf21("2","6","3","6","7","7","7","1") = "6"
    & skf21("2","6","3","7","1","1","1","1") = "6"
    & skf21("2","6","3","7","1","1","2","1") = "6"
    & skf21("2","6","3","7","1","1","3","1") = "6"
    & skf21("2","6","3","7","1","1","4","1") = "6"
    & skf21("2","6","3","7","1","1","5","1") = "6"
    & skf21("2","6","3","7","1","1","6","1") = "6"
    & skf21("2","6","3","7","1","1","7","1") = "6"
    & skf21("2","6","3","7","1","2","1","1") = "6"
    & skf21("2","6","3","7","1","2","2","1") = "6"
    & skf21("2","6","3","7","1","2","3","1") = "6"
    & skf21("2","6","3","7","1","2","4","1") = "6"
    & skf21("2","6","3","7","1","2","5","1") = "6"
    & skf21("2","6","3","7","1","2","6","1") = "6"
    & skf21("2","6","3","7","1","2","7","1") = "6"
    & skf21("2","6","3","7","1","3","1","1") = "6"
    & skf21("2","6","3","7","1","3","2","1") = "6"
    & skf21("2","6","3","7","1","3","3","1") = "6"
    & skf21("2","6","3","7","1","3","4","1") = "6"
    & skf21("2","6","3","7","1","3","5","1") = "6"
    & skf21("2","6","3","7","1","3","6","1") = "6"
    & skf21("2","6","3","7","1","3","7","1") = "6"
    & skf21("2","6","3","7","1","4","1","1") = "6"
    & skf21("2","6","3","7","1","4","2","1") = "6"
    & skf21("2","6","3","7","1","4","3","1") = "6"
    & skf21("2","6","3","7","1","4","4","1") = "6"
    & skf21("2","6","3","7","1","4","5","1") = "6"
    & skf21("2","6","3","7","1","4","6","1") = "6"
    & skf21("2","6","3","7","1","4","7","1") = "6"
    & skf21("2","6","3","7","1","5","1","1") = "6"
    & skf21("2","6","3","7","1","5","2","1") = "6"
    & skf21("2","6","3","7","1","5","3","1") = "6"
    & skf21("2","6","3","7","1","5","4","1") = "6"
    & skf21("2","6","3","7","1","5","5","1") = "6"
    & skf21("2","6","3","7","1","5","6","1") = "6"
    & skf21("2","6","3","7","1","5","7","1") = "6"
    & skf21("2","6","3","7","1","6","1","1") = "6"
    & skf21("2","6","3","7","1","6","2","1") = "6"
    & skf21("2","6","3","7","1","6","3","1") = "6"
    & skf21("2","6","3","7","1","6","4","1") = "6"
    & skf21("2","6","3","7","1","6","5","1") = "6"
    & skf21("2","6","3","7","1","6","6","1") = "6"
    & skf21("2","6","3","7","1","6","7","1") = "6"
    & skf21("2","6","3","7","1","7","1","1") = "6"
    & skf21("2","6","3","7","1","7","2","1") = "6"
    & skf21("2","6","3","7","1","7","3","1") = "6"
    & skf21("2","6","3","7","1","7","4","1") = "6"
    & skf21("2","6","3","7","1","7","5","1") = "6"
    & skf21("2","6","3","7","1","7","6","1") = "6"
    & skf21("2","6","3","7","1","7","7","1") = "6"
    & skf21("2","6","3","7","2","1","1","1") = "6"
    & skf21("2","6","3","7","2","1","2","1") = "6"
    & skf21("2","6","3","7","2","1","3","1") = "6"
    & skf21("2","6","3","7","2","1","4","1") = "6"
    & skf21("2","6","3","7","2","1","5","1") = "6"
    & skf21("2","6","3","7","2","1","6","1") = "6"
    & skf21("2","6","3","7","2","1","7","1") = "6"
    & skf21("2","6","3","7","2","2","1","1") = "6"
    & skf21("2","6","3","7","2","2","2","1") = "6"
    & skf21("2","6","3","7","2","2","3","1") = "6"
    & skf21("2","6","3","7","2","2","4","1") = "6"
    & skf21("2","6","3","7","2","2","5","1") = "6"
    & skf21("2","6","3","7","2","2","6","1") = "6"
    & skf21("2","6","3","7","2","2","7","1") = "6"
    & skf21("2","6","3","7","2","3","1","1") = "6"
    & skf21("2","6","3","7","2","3","2","1") = "6"
    & skf21("2","6","3","7","2","3","3","1") = "6"
    & skf21("2","6","3","7","2","3","4","1") = "6"
    & skf21("2","6","3","7","2","3","5","1") = "6"
    & skf21("2","6","3","7","2","3","6","1") = "6"
    & skf21("2","6","3","7","2","3","7","1") = "6"
    & skf21("2","6","3","7","2","4","1","1") = "6"
    & skf21("2","6","3","7","2","4","2","1") = "6"
    & skf21("2","6","3","7","2","4","3","1") = "6"
    & skf21("2","6","3","7","2","4","4","1") = "6"
    & skf21("2","6","3","7","2","4","5","1") = "6"
    & skf21("2","6","3","7","2","4","6","1") = "6"
    & skf21("2","6","3","7","2","4","7","1") = "6"
    & skf21("2","6","3","7","2","5","1","1") = "6"
    & skf21("2","6","3","7","2","5","2","1") = "6"
    & skf21("2","6","3","7","2","5","3","1") = "6"
    & skf21("2","6","3","7","2","5","4","1") = "6"
    & skf21("2","6","3","7","2","5","5","1") = "6"
    & skf21("2","6","3","7","2","5","6","1") = "6"
    & skf21("2","6","3","7","2","5","7","1") = "6"
    & skf21("2","6","3","7","2","6","1","1") = "6"
    & skf21("2","6","3","7","2","6","2","1") = "6"
    & skf21("2","6","3","7","2","6","3","1") = "6"
    & skf21("2","6","3","7","2","6","4","1") = "6"
    & skf21("2","6","3","7","2","6","5","1") = "6"
    & skf21("2","6","3","7","2","6","6","1") = "6"
    & skf21("2","6","3","7","2","6","7","1") = "6"
    & skf21("2","6","3","7","2","7","1","1") = "6"
    & skf21("2","6","3","7","2","7","2","1") = "6"
    & skf21("2","6","3","7","2","7","3","1") = "6"
    & skf21("2","6","3","7","2","7","4","1") = "6"
    & skf21("2","6","3","7","2","7","5","1") = "6"
    & skf21("2","6","3","7","2","7","6","1") = "6"
    & skf21("2","6","3","7","2","7","7","1") = "6"
    & skf21("2","6","3","7","3","1","1","1") = "6"
    & skf21("2","6","3","7","3","1","2","1") = "6"
    & skf21("2","6","3","7","3","1","3","1") = "6"
    & skf21("2","6","3","7","3","1","4","1") = "6"
    & skf21("2","6","3","7","3","1","5","1") = "6"
    & skf21("2","6","3","7","3","1","6","1") = "6"
    & skf21("2","6","3","7","3","1","7","1") = "6"
    & skf21("2","6","3","7","3","2","1","1") = "6"
    & skf21("2","6","3","7","3","2","2","1") = "6"
    & skf21("2","6","3","7","3","2","3","1") = "6"
    & skf21("2","6","3","7","3","2","4","1") = "6"
    & skf21("2","6","3","7","3","2","5","1") = "6"
    & skf21("2","6","3","7","3","2","6","1") = "6"
    & skf21("2","6","3","7","3","2","7","1") = "6"
    & skf21("2","6","3","7","3","3","1","1") = "6"
    & skf21("2","6","3","7","3","3","2","1") = "6"
    & skf21("2","6","3","7","3","3","3","1") = "6"
    & skf21("2","6","3","7","3","3","4","1") = "6"
    & skf21("2","6","3","7","3","3","5","1") = "6"
    & skf21("2","6","3","7","3","3","6","1") = "6"
    & skf21("2","6","3","7","3","3","7","1") = "6"
    & skf21("2","6","3","7","3","4","1","1") = "6"
    & skf21("2","6","3","7","3","4","2","1") = "6"
    & skf21("2","6","3","7","3","4","3","1") = "6"
    & skf21("2","6","3","7","3","4","4","1") = "6"
    & skf21("2","6","3","7","3","4","5","1") = "6"
    & skf21("2","6","3","7","3","4","6","1") = "6"
    & skf21("2","6","3","7","3","4","7","1") = "6"
    & skf21("2","6","3","7","3","5","1","1") = "6"
    & skf21("2","6","3","7","3","5","2","1") = "6"
    & skf21("2","6","3","7","3","5","3","1") = "6"
    & skf21("2","6","3","7","3","5","4","1") = "6"
    & skf21("2","6","3","7","3","5","5","1") = "6"
    & skf21("2","6","3","7","3","5","6","1") = "6"
    & skf21("2","6","3","7","3","5","7","1") = "6"
    & skf21("2","6","3","7","3","6","1","1") = "6"
    & skf21("2","6","3","7","3","6","2","1") = "6"
    & skf21("2","6","3","7","3","6","3","1") = "6"
    & skf21("2","6","3","7","3","6","4","1") = "6"
    & skf21("2","6","3","7","3","6","5","1") = "6"
    & skf21("2","6","3","7","3","6","6","1") = "6"
    & skf21("2","6","3","7","3","6","7","1") = "6"
    & skf21("2","6","3","7","3","7","1","1") = "6"
    & skf21("2","6","3","7","3","7","2","1") = "6"
    & skf21("2","6","3","7","3","7","3","1") = "6"
    & skf21("2","6","3","7","3","7","4","1") = "6"
    & skf21("2","6","3","7","3","7","5","1") = "6"
    & skf21("2","6","3","7","3","7","6","1") = "6"
    & skf21("2","6","3","7","3","7","7","1") = "6"
    & skf21("2","6","3","7","4","1","1","1") = "6"
    & skf21("2","6","3","7","4","1","2","1") = "6"
    & skf21("2","6","3","7","4","1","3","1") = "6"
    & skf21("2","6","3","7","4","1","4","1") = "6"
    & skf21("2","6","3","7","4","1","5","1") = "6"
    & skf21("2","6","3","7","4","1","6","1") = "6"
    & skf21("2","6","3","7","4","1","7","1") = "6"
    & skf21("2","6","3","7","4","2","1","1") = "6"
    & skf21("2","6","3","7","4","2","2","1") = "6"
    & skf21("2","6","3","7","4","2","3","1") = "6"
    & skf21("2","6","3","7","4","2","4","1") = "6"
    & skf21("2","6","3","7","4","2","5","1") = "6"
    & skf21("2","6","3","7","4","2","6","1") = "6"
    & skf21("2","6","3","7","4","2","7","1") = "6"
    & skf21("2","6","3","7","4","3","1","1") = "6"
    & skf21("2","6","3","7","4","3","2","1") = "6"
    & skf21("2","6","3","7","4","3","3","1") = "6"
    & skf21("2","6","3","7","4","3","4","1") = "6"
    & skf21("2","6","3","7","4","3","5","1") = "6"
    & skf21("2","6","3","7","4","3","6","1") = "6"
    & skf21("2","6","3","7","4","3","7","1") = "6"
    & skf21("2","6","3","7","4","4","1","1") = "6"
    & skf21("2","6","3","7","4","4","2","1") = "6"
    & skf21("2","6","3","7","4","4","3","1") = "6"
    & skf21("2","6","3","7","4","4","4","1") = "6"
    & skf21("2","6","3","7","4","4","5","1") = "6"
    & skf21("2","6","3","7","4","4","6","1") = "6"
    & skf21("2","6","3","7","4","4","7","1") = "6"
    & skf21("2","6","3","7","4","5","1","1") = "6"
    & skf21("2","6","3","7","4","5","2","1") = "6"
    & skf21("2","6","3","7","4","5","3","1") = "6"
    & skf21("2","6","3","7","4","5","4","1") = "6"
    & skf21("2","6","3","7","4","5","5","1") = "6"
    & skf21("2","6","3","7","4","5","6","1") = "6"
    & skf21("2","6","3","7","4","5","7","1") = "6"
    & skf21("2","6","3","7","4","6","1","1") = "6"
    & skf21("2","6","3","7","4","6","2","1") = "6"
    & skf21("2","6","3","7","4","6","3","1") = "6"
    & skf21("2","6","3","7","4","6","4","1") = "6"
    & skf21("2","6","3","7","4","6","5","1") = "6"
    & skf21("2","6","3","7","4","6","6","1") = "6"
    & skf21("2","6","3","7","4","6","7","1") = "6"
    & skf21("2","6","3","7","4","7","1","1") = "6"
    & skf21("2","6","3","7","4","7","2","1") = "6"
    & skf21("2","6","3","7","4","7","3","1") = "6"
    & skf21("2","6","3","7","4","7","4","1") = "6"
    & skf21("2","6","3","7","4","7","5","1") = "6"
    & skf21("2","6","3","7","4","7","6","1") = "6"
    & skf21("2","6","3","7","4","7","7","1") = "6"
    & skf21("2","6","3","7","5","1","1","1") = "6"
    & skf21("2","6","3","7","5","1","2","1") = "6"
    & skf21("2","6","3","7","5","1","3","1") = "6"
    & skf21("2","6","3","7","5","1","4","1") = "6"
    & skf21("2","6","3","7","5","1","5","1") = "6"
    & skf21("2","6","3","7","5","1","6","1") = "6"
    & skf21("2","6","3","7","5","1","7","1") = "6"
    & skf21("2","6","3","7","5","2","1","1") = "6"
    & skf21("2","6","3","7","5","2","2","1") = "6"
    & skf21("2","6","3","7","5","2","3","1") = "6"
    & skf21("2","6","3","7","5","2","4","1") = "6"
    & skf21("2","6","3","7","5","2","5","1") = "6"
    & skf21("2","6","3","7","5","2","6","1") = "6"
    & skf21("2","6","3","7","5","2","7","1") = "6"
    & skf21("2","6","3","7","5","3","1","1") = "6"
    & skf21("2","6","3","7","5","3","2","1") = "6"
    & skf21("2","6","3","7","5","3","3","1") = "6"
    & skf21("2","6","3","7","5","3","4","1") = "6"
    & skf21("2","6","3","7","5","3","5","1") = "6"
    & skf21("2","6","3","7","5","3","6","1") = "6"
    & skf21("2","6","3","7","5","3","7","1") = "6"
    & skf21("2","6","3","7","5","4","1","1") = "6"
    & skf21("2","6","3","7","5","4","2","1") = "6"
    & skf21("2","6","3","7","5","4","3","1") = "6"
    & skf21("2","6","3","7","5","4","4","1") = "6"
    & skf21("2","6","3","7","5","4","5","1") = "6"
    & skf21("2","6","3","7","5","4","6","1") = "6"
    & skf21("2","6","3","7","5","4","7","1") = "6"
    & skf21("2","6","3","7","5","5","1","1") = "6"
    & skf21("2","6","3","7","5","5","2","1") = "6"
    & skf21("2","6","3","7","5","5","3","1") = "6"
    & skf21("2","6","3","7","5","5","4","1") = "6"
    & skf21("2","6","3","7","5","5","5","1") = "6"
    & skf21("2","6","3","7","5","5","6","1") = "6"
    & skf21("2","6","3","7","5","5","7","1") = "6"
    & skf21("2","6","3","7","5","6","1","1") = "6"
    & skf21("2","6","3","7","5","6","2","1") = "6"
    & skf21("2","6","3","7","5","6","3","1") = "6"
    & skf21("2","6","3","7","5","6","4","1") = "6"
    & skf21("2","6","3","7","5","6","5","1") = "6"
    & skf21("2","6","3","7","5","6","6","1") = "6"
    & skf21("2","6","3","7","5","6","7","1") = "6"
    & skf21("2","6","3","7","5","7","1","1") = "6"
    & skf21("2","6","3","7","5","7","2","1") = "6"
    & skf21("2","6","3","7","5","7","3","1") = "6"
    & skf21("2","6","3","7","5","7","4","1") = "6"
    & skf21("2","6","3","7","5","7","5","1") = "6"
    & skf21("2","6","3","7","5","7","6","1") = "6"
    & skf21("2","6","3","7","5","7","7","1") = "6"
    & skf21("2","6","3","7","6","1","1","1") = "6"
    & skf21("2","6","3","7","6","1","2","1") = "6"
    & skf21("2","6","3","7","6","1","3","1") = "6"
    & skf21("2","6","3","7","6","1","4","1") = "6"
    & skf21("2","6","3","7","6","1","5","1") = "6"
    & skf21("2","6","3","7","6","1","6","1") = "6"
    & skf21("2","6","3","7","6","1","7","1") = "6"
    & skf21("2","6","3","7","6","2","1","1") = "6"
    & skf21("2","6","3","7","6","2","2","1") = "6"
    & skf21("2","6","3","7","6","2","3","1") = "6"
    & skf21("2","6","3","7","6","2","4","1") = "6"
    & skf21("2","6","3","7","6","2","5","1") = "6"
    & skf21("2","6","3","7","6","2","6","1") = "6"
    & skf21("2","6","3","7","6","2","7","1") = "6"
    & skf21("2","6","3","7","6","3","1","1") = "6"
    & skf21("2","6","3","7","6","3","2","1") = "6"
    & skf21("2","6","3","7","6","3","3","1") = "6"
    & skf21("2","6","3","7","6","3","4","1") = "6"
    & skf21("2","6","3","7","6","3","5","1") = "6"
    & skf21("2","6","3","7","6","3","6","1") = "6"
    & skf21("2","6","3","7","6","3","7","1") = "6"
    & skf21("2","6","3","7","6","4","1","1") = "6"
    & skf21("2","6","3","7","6","4","2","1") = "6"
    & skf21("2","6","3","7","6","4","3","1") = "6"
    & skf21("2","6","3","7","6","4","4","1") = "6"
    & skf21("2","6","3","7","6","4","5","1") = "6"
    & skf21("2","6","3","7","6","4","6","1") = "6"
    & skf21("2","6","3","7","6","4","7","1") = "6"
    & skf21("2","6","3","7","6","5","1","1") = "6"
    & skf21("2","6","3","7","6","5","2","1") = "6"
    & skf21("2","6","3","7","6","5","3","1") = "6"
    & skf21("2","6","3","7","6","5","4","1") = "6"
    & skf21("2","6","3","7","6","5","5","1") = "6"
    & skf21("2","6","3","7","6","5","6","1") = "6"
    & skf21("2","6","3","7","6","5","7","1") = "6"
    & skf21("2","6","3","7","6","6","1","1") = "6"
    & skf21("2","6","3","7","6","6","2","1") = "6"
    & skf21("2","6","3","7","6","6","3","1") = "6"
    & skf21("2","6","3","7","6","6","4","1") = "6"
    & skf21("2","6","3","7","6","6","5","1") = "6"
    & skf21("2","6","3","7","6","6","6","1") = "6"
    & skf21("2","6","3","7","6","6","7","1") = "6"
    & skf21("2","6","3","7","6","7","1","1") = "6"
    & skf21("2","6","3","7","6","7","2","1") = "6"
    & skf21("2","6","3","7","6","7","3","1") = "6"
    & skf21("2","6","3","7","6","7","4","1") = "6"
    & skf21("2","6","3","7","6","7","5","1") = "6"
    & skf21("2","6","3","7","6","7","6","1") = "6"
    & skf21("2","6","3","7","6","7","7","1") = "6"
    & skf21("2","6","3","7","7","1","1","1") = "6"
    & skf21("2","6","3","7","7","1","2","1") = "6"
    & skf21("2","6","3","7","7","1","3","1") = "6"
    & skf21("2","6","3","7","7","1","4","1") = "6"
    & skf21("2","6","3","7","7","1","5","1") = "6"
    & skf21("2","6","3","7","7","1","6","1") = "6"
    & skf21("2","6","3","7","7","1","7","1") = "6"
    & skf21("2","6","3","7","7","2","1","1") = "6"
    & skf21("2","6","3","7","7","2","2","1") = "6"
    & skf21("2","6","3","7","7","2","3","1") = "6"
    & skf21("2","6","3","7","7","2","4","1") = "6"
    & skf21("2","6","3","7","7","2","5","1") = "6"
    & skf21("2","6","3","7","7","2","6","1") = "6"
    & skf21("2","6","3","7","7","2","7","1") = "6"
    & skf21("2","6","3","7","7","3","1","1") = "6"
    & skf21("2","6","3","7","7","3","2","1") = "6"
    & skf21("2","6","3","7","7","3","3","1") = "6"
    & skf21("2","6","3","7","7","3","4","1") = "6"
    & skf21("2","6","3","7","7","3","5","1") = "6"
    & skf21("2","6","3","7","7","3","6","1") = "6"
    & skf21("2","6","3","7","7","3","7","1") = "6"
    & skf21("2","6","3","7","7","4","1","1") = "6"
    & skf21("2","6","3","7","7","4","2","1") = "6"
    & skf21("2","6","3","7","7","4","3","1") = "6"
    & skf21("2","6","3","7","7","4","4","1") = "6"
    & skf21("2","6","3","7","7","4","5","1") = "6"
    & skf21("2","6","3","7","7","4","6","1") = "6"
    & skf21("2","6","3","7","7","4","7","1") = "6"
    & skf21("2","6","3","7","7","5","1","1") = "6"
    & skf21("2","6","3","7","7","5","2","1") = "6"
    & skf21("2","6","3","7","7","5","3","1") = "6"
    & skf21("2","6","3","7","7","5","4","1") = "6"
    & skf21("2","6","3","7","7","5","5","1") = "6"
    & skf21("2","6","3","7","7","5","6","1") = "6"
    & skf21("2","6","3","7","7","5","7","1") = "6"
    & skf21("2","6","3","7","7","6","1","1") = "6"
    & skf21("2","6","3","7","7","6","2","1") = "6"
    & skf21("2","6","3","7","7","6","3","1") = "6"
    & skf21("2","6","3","7","7","6","4","1") = "6"
    & skf21("2","6","3","7","7","6","5","1") = "6"
    & skf21("2","6","3","7","7","6","6","1") = "6"
    & skf21("2","6","3","7","7","6","7","1") = "6"
    & skf21("2","6","3","7","7","7","1","1") = "6"
    & skf21("2","6","3","7","7","7","2","1") = "6"
    & skf21("2","6","3","7","7","7","3","1") = "6"
    & skf21("2","6","3","7","7","7","4","1") = "6"
    & skf21("2","6","3","7","7","7","5","1") = "6"
    & skf21("2","6","3","7","7","7","6","1") = "6"
    & skf21("2","6","3","7","7","7","7","1") = "6"
    & skf21("2","6","4","1","1","1","1","1") = "5"
    & skf21("2","6","4","1","1","1","2","1") = "5"
    & skf21("2","6","4","1","1","1","3","1") = "5"
    & skf21("2","6","4","1","1","1","4","1") = "5"
    & skf21("2","6","4","1","1","1","5","1") = "5"
    & skf21("2","6","4","1","1","1","6","1") = "5"
    & skf21("2","6","4","1","1","1","7","1") = "6"
    & skf21("2","6","4","1","1","2","1","1") = "5"
    & skf21("2","6","4","1","1","2","2","1") = "5"
    & skf21("2","6","4","1","1","2","3","1") = "5"
    & skf21("2","6","4","1","1","2","4","1") = "5"
    & skf21("2","6","4","1","1","2","5","1") = "5"
    & skf21("2","6","4","1","1","2","6","1") = "5"
    & skf21("2","6","4","1","1","2","7","1") = "6"
    & skf21("2","6","4","1","1","3","1","1") = "5"
    & skf21("2","6","4","1","1","3","2","1") = "5"
    & skf21("2","6","4","1","1","3","3","1") = "5"
    & skf21("2","6","4","1","1","3","4","1") = "5"
    & skf21("2","6","4","1","1","3","5","1") = "5"
    & skf21("2","6","4","1","1","3","6","1") = "5"
    & skf21("2","6","4","1","1","3","7","1") = "6"
    & skf21("2","6","4","1","1","4","1","1") = "5"
    & skf21("2","6","4","1","1","4","2","1") = "5"
    & skf21("2","6","4","1","1","4","3","1") = "5"
    & skf21("2","6","4","1","1","4","4","1") = "5"
    & skf21("2","6","4","1","1","4","5","1") = "5"
    & skf21("2","6","4","1","1","4","6","1") = "5"
    & skf21("2","6","4","1","1","4","7","1") = "6"
    & skf21("2","6","4","1","1","5","1","1") = "5"
    & skf21("2","6","4","1","1","5","2","1") = "5"
    & skf21("2","6","4","1","1","5","3","1") = "5"
    & skf21("2","6","4","1","1","5","4","1") = "5"
    & skf21("2","6","4","1","1","5","5","1") = "5"
    & skf21("2","6","4","1","1","5","6","1") = "5"
    & skf21("2","6","4","1","1","5","7","1") = "6"
    & skf21("2","6","4","1","1","6","1","1") = "5"
    & skf21("2","6","4","1","1","6","2","1") = "5"
    & skf21("2","6","4","1","1","6","3","1") = "5"
    & skf21("2","6","4","1","1","6","4","1") = "5"
    & skf21("2","6","4","1","1","6","5","1") = "5"
    & skf21("2","6","4","1","1","6","6","1") = "5"
    & skf21("2","6","4","1","1","6","7","1") = "6"
    & skf21("2","6","4","1","1","7","1","1") = "6"
    & skf21("2","6","4","1","1","7","2","1") = "6"
    & skf21("2","6","4","1","1","7","3","1") = "6"
    & skf21("2","6","4","1","1","7","4","1") = "6"
    & skf21("2","6","4","1","1","7","5","1") = "6"
    & skf21("2","6","4","1","1","7","6","1") = "6"
    & skf21("2","6","4","1","1","7","7","1") = "6"
    & skf21("2","6","4","1","2","1","1","1") = "5"
    & skf21("2","6","4","1","2","1","2","1") = "5"
    & skf21("2","6","4","1","2","1","3","1") = "5"
    & skf21("2","6","4","1","2","1","4","1") = "5"
    & skf21("2","6","4","1","2","1","5","1") = "5"
    & skf21("2","6","4","1","2","1","6","1") = "5"
    & skf21("2","6","4","1","2","1","7","1") = "6"
    & skf21("2","6","4","1","2","2","1","1") = "5"
    & skf21("2","6","4","1","2","2","2","1") = "5"
    & skf21("2","6","4","1","2","2","3","1") = "5"
    & skf21("2","6","4","1","2","2","4","1") = "5"
    & skf21("2","6","4","1","2","2","5","1") = "5"
    & skf21("2","6","4","1","2","2","6","1") = "5"
    & skf21("2","6","4","1","2","2","7","1") = "6"
    & skf21("2","6","4","1","2","3","1","1") = "5"
    & skf21("2","6","4","1","2","3","2","1") = "5"
    & skf21("2","6","4","1","2","3","3","1") = "5"
    & skf21("2","6","4","1","2","3","4","1") = "5"
    & skf21("2","6","4","1","2","3","5","1") = "5"
    & skf21("2","6","4","1","2","3","6","1") = "5"
    & skf21("2","6","4","1","2","3","7","1") = "6"
    & skf21("2","6","4","1","2","4","1","1") = "5"
    & skf21("2","6","4","1","2","4","2","1") = "5"
    & skf21("2","6","4","1","2","4","3","1") = "5"
    & skf21("2","6","4","1","2","4","4","1") = "5"
    & skf21("2","6","4","1","2","4","5","1") = "5"
    & skf21("2","6","4","1","2","4","6","1") = "5"
    & skf21("2","6","4","1","2","4","7","1") = "6"
    & skf21("2","6","4","1","2","5","1","1") = "5"
    & skf21("2","6","4","1","2","5","2","1") = "5"
    & skf21("2","6","4","1","2","5","3","1") = "5"
    & skf21("2","6","4","1","2","5","4","1") = "5"
    & skf21("2","6","4","1","2","5","5","1") = "5"
    & skf21("2","6","4","1","2","5","6","1") = "5"
    & skf21("2","6","4","1","2","5","7","1") = "6"
    & skf21("2","6","4","1","2","6","1","1") = "5"
    & skf21("2","6","4","1","2","6","2","1") = "5"
    & skf21("2","6","4","1","2","6","3","1") = "5"
    & skf21("2","6","4","1","2","6","4","1") = "5"
    & skf21("2","6","4","1","2","6","5","1") = "5"
    & skf21("2","6","4","1","2","6","6","1") = "5"
    & skf21("2","6","4","1","2","6","7","1") = "6"
    & skf21("2","6","4","1","2","7","1","1") = "6"
    & skf21("2","6","4","1","2","7","2","1") = "6"
    & skf21("2","6","4","1","2","7","3","1") = "6"
    & skf21("2","6","4","1","2","7","4","1") = "6"
    & skf21("2","6","4","1","2","7","5","1") = "6"
    & skf21("2","6","4","1","2","7","6","1") = "6"
    & skf21("2","6","4","1","2","7","7","1") = "6"
    & skf21("2","6","4","1","3","1","1","1") = "5"
    & skf21("2","6","4","1","3","1","2","1") = "5"
    & skf21("2","6","4","1","3","1","3","1") = "5"
    & skf21("2","6","4","1","3","1","4","1") = "5"
    & skf21("2","6","4","1","3","1","5","1") = "5"
    & skf21("2","6","4","1","3","1","6","1") = "5"
    & skf21("2","6","4","1","3","1","7","1") = "6"
    & skf21("2","6","4","1","3","2","1","1") = "5"
    & skf21("2","6","4","1","3","2","2","1") = "5"
    & skf21("2","6","4","1","3","2","3","1") = "5"
    & skf21("2","6","4","1","3","2","4","1") = "5"
    & skf21("2","6","4","1","3","2","5","1") = "5"
    & skf21("2","6","4","1","3","2","6","1") = "5"
    & skf21("2","6","4","1","3","2","7","1") = "6"
    & skf21("2","6","4","1","3","3","1","1") = "5"
    & skf21("2","6","4","1","3","3","2","1") = "5"
    & skf21("2","6","4","1","3","3","3","1") = "5"
    & skf21("2","6","4","1","3","3","4","1") = "5"
    & skf21("2","6","4","1","3","3","5","1") = "5"
    & skf21("2","6","4","1","3","3","6","1") = "5"
    & skf21("2","6","4","1","3","3","7","1") = "6"
    & skf21("2","6","4","1","3","4","1","1") = "5"
    & skf21("2","6","4","1","3","4","2","1") = "5"
    & skf21("2","6","4","1","3","4","3","1") = "5"
    & skf21("2","6","4","1","3","4","4","1") = "5"
    & skf21("2","6","4","1","3","4","5","1") = "5"
    & skf21("2","6","4","1","3","4","6","1") = "5"
    & skf21("2","6","4","1","3","4","7","1") = "6"
    & skf21("2","6","4","1","3","5","1","1") = "5"
    & skf21("2","6","4","1","3","5","2","1") = "5"
    & skf21("2","6","4","1","3","5","3","1") = "5"
    & skf21("2","6","4","1","3","5","4","1") = "5"
    & skf21("2","6","4","1","3","5","5","1") = "5"
    & skf21("2","6","4","1","3","5","6","1") = "5"
    & skf21("2","6","4","1","3","5","7","1") = "6"
    & skf21("2","6","4","1","3","6","1","1") = "5"
    & skf21("2","6","4","1","3","6","2","1") = "5"
    & skf21("2","6","4","1","3","6","3","1") = "5"
    & skf21("2","6","4","1","3","6","4","1") = "5"
    & skf21("2","6","4","1","3","6","5","1") = "5"
    & skf21("2","6","4","1","3","6","6","1") = "5"
    & skf21("2","6","4","1","3","6","7","1") = "6"
    & skf21("2","6","4","1","3","7","1","1") = "6"
    & skf21("2","6","4","1","3","7","2","1") = "6"
    & skf21("2","6","4","1","3","7","3","1") = "6"
    & skf21("2","6","4","1","3","7","4","1") = "6"
    & skf21("2","6","4","1","3","7","5","1") = "6"
    & skf21("2","6","4","1","3","7","6","1") = "6"
    & skf21("2","6","4","1","3","7","7","1") = "6"
    & skf21("2","6","4","1","4","1","1","1") = "5"
    & skf21("2","6","4","1","4","1","2","1") = "5"
    & skf21("2","6","4","1","4","1","3","1") = "5"
    & skf21("2","6","4","1","4","1","4","1") = "5"
    & skf21("2","6","4","1","4","1","5","1") = "5"
    & skf21("2","6","4","1","4","1","6","1") = "5"
    & skf21("2","6","4","1","4","1","7","1") = "6"
    & skf21("2","6","4","1","4","2","1","1") = "5"
    & skf21("2","6","4","1","4","2","2","1") = "5"
    & skf21("2","6","4","1","4","2","3","1") = "5"
    & skf21("2","6","4","1","4","2","4","1") = "5"
    & skf21("2","6","4","1","4","2","5","1") = "5"
    & skf21("2","6","4","1","4","2","6","1") = "5"
    & skf21("2","6","4","1","4","2","7","1") = "6"
    & skf21("2","6","4","1","4","3","1","1") = "5"
    & skf21("2","6","4","1","4","3","2","1") = "5"
    & skf21("2","6","4","1","4","3","3","1") = "5"
    & skf21("2","6","4","1","4","3","4","1") = "5"
    & skf21("2","6","4","1","4","3","5","1") = "5"
    & skf21("2","6","4","1","4","3","6","1") = "5"
    & skf21("2","6","4","1","4","3","7","1") = "6"
    & skf21("2","6","4","1","4","4","1","1") = "5"
    & skf21("2","6","4","1","4","4","2","1") = "5"
    & skf21("2","6","4","1","4","4","3","1") = "5"
    & skf21("2","6","4","1","4","4","4","1") = "5"
    & skf21("2","6","4","1","4","4","5","1") = "5"
    & skf21("2","6","4","1","4","4","6","1") = "5"
    & skf21("2","6","4","1","4","4","7","1") = "6"
    & skf21("2","6","4","1","4","5","1","1") = "5"
    & skf21("2","6","4","1","4","5","2","1") = "5"
    & skf21("2","6","4","1","4","5","3","1") = "5"
    & skf21("2","6","4","1","4","5","4","1") = "5"
    & skf21("2","6","4","1","4","5","5","1") = "5"
    & skf21("2","6","4","1","4","5","6","1") = "5"
    & skf21("2","6","4","1","4","5","7","1") = "6"
    & skf21("2","6","4","1","4","6","1","1") = "5"
    & skf21("2","6","4","1","4","6","2","1") = "5"
    & skf21("2","6","4","1","4","6","3","1") = "5"
    & skf21("2","6","4","1","4","6","4","1") = "5"
    & skf21("2","6","4","1","4","6","5","1") = "5"
    & skf21("2","6","4","1","4","6","6","1") = "5"
    & skf21("2","6","4","1","4","6","7","1") = "6"
    & skf21("2","6","4","1","4","7","1","1") = "6"
    & skf21("2","6","4","1","4","7","2","1") = "6"
    & skf21("2","6","4","1","4","7","3","1") = "6"
    & skf21("2","6","4","1","4","7","4","1") = "6"
    & skf21("2","6","4","1","4","7","5","1") = "6"
    & skf21("2","6","4","1","4","7","6","1") = "6"
    & skf21("2","6","4","1","4","7","7","1") = "6"
    & skf21("2","6","4","1","5","1","1","1") = "5"
    & skf21("2","6","4","1","5","1","2","1") = "5"
    & skf21("2","6","4","1","5","1","3","1") = "5"
    & skf21("2","6","4","1","5","1","4","1") = "5"
    & skf21("2","6","4","1","5","1","5","1") = "5"
    & skf21("2","6","4","1","5","1","6","1") = "5"
    & skf21("2","6","4","1","5","1","7","1") = "6"
    & skf21("2","6","4","1","5","2","1","1") = "5"
    & skf21("2","6","4","1","5","2","2","1") = "5"
    & skf21("2","6","4","1","5","2","3","1") = "5"
    & skf21("2","6","4","1","5","2","4","1") = "5"
    & skf21("2","6","4","1","5","2","5","1") = "5"
    & skf21("2","6","4","1","5","2","6","1") = "5"
    & skf21("2","6","4","1","5","2","7","1") = "6"
    & skf21("2","6","4","1","5","3","1","1") = "5"
    & skf21("2","6","4","1","5","3","2","1") = "5"
    & skf21("2","6","4","1","5","3","3","1") = "5"
    & skf21("2","6","4","1","5","3","4","1") = "5"
    & skf21("2","6","4","1","5","3","5","1") = "5"
    & skf21("2","6","4","1","5","3","6","1") = "5"
    & skf21("2","6","4","1","5","3","7","1") = "6"
    & skf21("2","6","4","1","5","4","1","1") = "5"
    & skf21("2","6","4","1","5","4","2","1") = "5"
    & skf21("2","6","4","1","5","4","3","1") = "5"
    & skf21("2","6","4","1","5","4","4","1") = "5"
    & skf21("2","6","4","1","5","4","5","1") = "5"
    & skf21("2","6","4","1","5","4","6","1") = "5"
    & skf21("2","6","4","1","5","4","7","1") = "6"
    & skf21("2","6","4","1","5","5","1","1") = "5"
    & skf21("2","6","4","1","5","5","2","1") = "5"
    & skf21("2","6","4","1","5","5","3","1") = "5"
    & skf21("2","6","4","1","5","5","4","1") = "5"
    & skf21("2","6","4","1","5","5","5","1") = "5"
    & skf21("2","6","4","1","5","5","6","1") = "5"
    & skf21("2","6","4","1","5","5","7","1") = "6"
    & skf21("2","6","4","1","5","6","1","1") = "5"
    & skf21("2","6","4","1","5","6","2","1") = "5"
    & skf21("2","6","4","1","5","6","3","1") = "5"
    & skf21("2","6","4","1","5","6","4","1") = "5"
    & skf21("2","6","4","1","5","6","5","1") = "5"
    & skf21("2","6","4","1","5","6","6","1") = "5"
    & skf21("2","6","4","1","5","6","7","1") = "6"
    & skf21("2","6","4","1","5","7","1","1") = "6"
    & skf21("2","6","4","1","5","7","2","1") = "6"
    & skf21("2","6","4","1","5","7","3","1") = "6"
    & skf21("2","6","4","1","5","7","4","1") = "6"
    & skf21("2","6","4","1","5","7","5","1") = "6"
    & skf21("2","6","4","1","5","7","6","1") = "6"
    & skf21("2","6","4","1","5","7","7","1") = "6"
    & skf21("2","6","4","1","6","1","1","1") = "5"
    & skf21("2","6","4","1","6","1","2","1") = "5"
    & skf21("2","6","4","1","6","1","3","1") = "5"
    & skf21("2","6","4","1","6","1","4","1") = "5"
    & skf21("2","6","4","1","6","1","5","1") = "5"
    & skf21("2","6","4","1","6","1","6","1") = "5"
    & skf21("2","6","4","1","6","1","7","1") = "6"
    & skf21("2","6","4","1","6","2","1","1") = "5"
    & skf21("2","6","4","1","6","2","2","1") = "5"
    & skf21("2","6","4","1","6","2","3","1") = "5"
    & skf21("2","6","4","1","6","2","4","1") = "5"
    & skf21("2","6","4","1","6","2","5","1") = "5"
    & skf21("2","6","4","1","6","2","6","1") = "5"
    & skf21("2","6","4","1","6","2","7","1") = "6"
    & skf21("2","6","4","1","6","3","1","1") = "5"
    & skf21("2","6","4","1","6","3","2","1") = "5"
    & skf21("2","6","4","1","6","3","3","1") = "5"
    & skf21("2","6","4","1","6","3","4","1") = "5"
    & skf21("2","6","4","1","6","3","5","1") = "5"
    & skf21("2","6","4","1","6","3","6","1") = "5"
    & skf21("2","6","4","1","6","3","7","1") = "6"
    & skf21("2","6","4","1","6","4","1","1") = "5"
    & skf21("2","6","4","1","6","4","2","1") = "5"
    & skf21("2","6","4","1","6","4","3","1") = "5"
    & skf21("2","6","4","1","6","4","4","1") = "5"
    & skf21("2","6","4","1","6","4","5","1") = "5"
    & skf21("2","6","4","1","6","4","6","1") = "5"
    & skf21("2","6","4","1","6","4","7","1") = "6"
    & skf21("2","6","4","1","6","5","1","1") = "5"
    & skf21("2","6","4","1","6","5","2","1") = "5"
    & skf21("2","6","4","1","6","5","3","1") = "5"
    & skf21("2","6","4","1","6","5","4","1") = "5"
    & skf21("2","6","4","1","6","5","5","1") = "5"
    & skf21("2","6","4","1","6","5","6","1") = "5"
    & skf21("2","6","4","1","6","5","7","1") = "6"
    & skf21("2","6","4","1","6","6","1","1") = "5"
    & skf21("2","6","4","1","6","6","2","1") = "5"
    & skf21("2","6","4","1","6","6","3","1") = "5"
    & skf21("2","6","4","1","6","6","4","1") = "5"
    & skf21("2","6","4","1","6","6","5","1") = "5"
    & skf21("2","6","4","1","6","6","6","1") = "5"
    & skf21("2","6","4","1","6","6","7","1") = "6"
    & skf21("2","6","4","1","6","7","1","1") = "6"
    & skf21("2","6","4","1","6","7","2","1") = "6"
    & skf21("2","6","4","1","6","7","3","1") = "6"
    & skf21("2","6","4","1","6","7","4","1") = "6"
    & skf21("2","6","4","1","6","7","5","1") = "6"
    & skf21("2","6","4","1","6","7","6","1") = "6"
    & skf21("2","6","4","1","6","7","7","1") = "6"
    & skf21("2","6","4","1","7","1","1","1") = "6"
    & skf21("2","6","4","1","7","1","2","1") = "6"
    & skf21("2","6","4","1","7","1","3","1") = "6"
    & skf21("2","6","4","1","7","1","4","1") = "6"
    & skf21("2","6","4","1","7","1","5","1") = "6"
    & skf21("2","6","4","1","7","1","6","1") = "6"
    & skf21("2","6","4","1","7","1","7","1") = "6"
    & skf21("2","6","4","1","7","2","1","1") = "6"
    & skf21("2","6","4","1","7","2","2","1") = "6"
    & skf21("2","6","4","1","7","2","3","1") = "6"
    & skf21("2","6","4","1","7","2","4","1") = "6"
    & skf21("2","6","4","1","7","2","5","1") = "6"
    & skf21("2","6","4","1","7","2","6","1") = "6"
    & skf21("2","6","4","1","7","2","7","1") = "6"
    & skf21("2","6","4","1","7","3","1","1") = "6"
    & skf21("2","6","4","1","7","3","2","1") = "6"
    & skf21("2","6","4","1","7","3","3","1") = "6"
    & skf21("2","6","4","1","7","3","4","1") = "6"
    & skf21("2","6","4","1","7","3","5","1") = "6"
    & skf21("2","6","4","1","7","3","6","1") = "6"
    & skf21("2","6","4","1","7","3","7","1") = "6"
    & skf21("2","6","4","1","7","4","1","1") = "6"
    & skf21("2","6","4","1","7","4","2","1") = "6"
    & skf21("2","6","4","1","7","4","3","1") = "6"
    & skf21("2","6","4","1","7","4","4","1") = "6"
    & skf21("2","6","4","1","7","4","5","1") = "6"
    & skf21("2","6","4","1","7","4","6","1") = "6"
    & skf21("2","6","4","1","7","4","7","1") = "6"
    & skf21("2","6","4","1","7","5","1","1") = "6"
    & skf21("2","6","4","1","7","5","2","1") = "6"
    & skf21("2","6","4","1","7","5","3","1") = "6"
    & skf21("2","6","4","1","7","5","4","1") = "6"
    & skf21("2","6","4","1","7","5","5","1") = "6"
    & skf21("2","6","4","1","7","5","6","1") = "6"
    & skf21("2","6","4","1","7","5","7","1") = "6"
    & skf21("2","6","4","1","7","6","1","1") = "6"
    & skf21("2","6","4","1","7","6","2","1") = "6"
    & skf21("2","6","4","1","7","6","3","1") = "6"
    & skf21("2","6","4","1","7","6","4","1") = "6"
    & skf21("2","6","4","1","7","6","5","1") = "6"
    & skf21("2","6","4","1","7","6","6","1") = "6"
    & skf21("2","6","4","1","7","6","7","1") = "6"
    & skf21("2","6","4","1","7","7","1","1") = "6"
    & skf21("2","6","4","1","7","7","2","1") = "6"
    & skf21("2","6","4","1","7","7","3","1") = "6"
    & skf21("2","6","4","1","7","7","4","1") = "6"
    & skf21("2","6","4","1","7","7","5","1") = "6"
    & skf21("2","6","4","1","7","7","6","1") = "6"
    & skf21("2","6","4","1","7","7","7","1") = "6"
    & skf21("2","6","4","2","1","1","1","1") = "5"
    & skf21("2","6","4","2","1","1","2","1") = "5"
    & skf21("2","6","4","2","1","1","3","1") = "5"
    & skf21("2","6","4","2","1","1","4","1") = "5"
    & skf21("2","6","4","2","1","1","5","1") = "5"
    & skf21("2","6","4","2","1","1","6","1") = "5"
    & skf21("2","6","4","2","1","1","7","1") = "6"
    & skf21("2","6","4","2","1","2","1","1") = "5"
    & skf21("2","6","4","2","1","2","2","1") = "5"
    & skf21("2","6","4","2","1","2","3","1") = "5"
    & skf21("2","6","4","2","1","2","4","1") = "5"
    & skf21("2","6","4","2","1","2","5","1") = "5"
    & skf21("2","6","4","2","1","2","6","1") = "5"
    & skf21("2","6","4","2","1","2","7","1") = "6"
    & skf21("2","6","4","2","1","3","1","1") = "5"
    & skf21("2","6","4","2","1","3","2","1") = "5"
    & skf21("2","6","4","2","1","3","3","1") = "5"
    & skf21("2","6","4","2","1","3","4","1") = "5"
    & skf21("2","6","4","2","1","3","5","1") = "5"
    & skf21("2","6","4","2","1","3","6","1") = "5"
    & skf21("2","6","4","2","1","3","7","1") = "6"
    & skf21("2","6","4","2","1","4","1","1") = "5"
    & skf21("2","6","4","2","1","4","2","1") = "5"
    & skf21("2","6","4","2","1","4","3","1") = "5"
    & skf21("2","6","4","2","1","4","4","1") = "5"
    & skf21("2","6","4","2","1","4","5","1") = "5"
    & skf21("2","6","4","2","1","4","6","1") = "5"
    & skf21("2","6","4","2","1","4","7","1") = "6"
    & skf21("2","6","4","2","1","5","1","1") = "5"
    & skf21("2","6","4","2","1","5","2","1") = "5"
    & skf21("2","6","4","2","1","5","3","1") = "5"
    & skf21("2","6","4","2","1","5","4","1") = "5"
    & skf21("2","6","4","2","1","5","5","1") = "5"
    & skf21("2","6","4","2","1","5","6","1") = "5"
    & skf21("2","6","4","2","1","5","7","1") = "6"
    & skf21("2","6","4","2","1","6","1","1") = "5"
    & skf21("2","6","4","2","1","6","2","1") = "5"
    & skf21("2","6","4","2","1","6","3","1") = "5"
    & skf21("2","6","4","2","1","6","4","1") = "5"
    & skf21("2","6","4","2","1","6","5","1") = "5"
    & skf21("2","6","4","2","1","6","6","1") = "5"
    & skf21("2","6","4","2","1","6","7","1") = "6"
    & skf21("2","6","4","2","1","7","1","1") = "6"
    & skf21("2","6","4","2","1","7","2","1") = "6"
    & skf21("2","6","4","2","1","7","3","1") = "6"
    & skf21("2","6","4","2","1","7","4","1") = "6"
    & skf21("2","6","4","2","1","7","5","1") = "6"
    & skf21("2","6","4","2","1","7","6","1") = "6"
    & skf21("2","6","4","2","1","7","7","1") = "6"
    & skf21("2","6","4","2","2","1","1","1") = "5"
    & skf21("2","6","4","2","2","1","2","1") = "5"
    & skf21("2","6","4","2","2","1","3","1") = "5"
    & skf21("2","6","4","2","2","1","4","1") = "5"
    & skf21("2","6","4","2","2","1","5","1") = "5"
    & skf21("2","6","4","2","2","1","6","1") = "5"
    & skf21("2","6","4","2","2","1","7","1") = "6"
    & skf21("2","6","4","2","2","2","1","1") = "5"
    & skf21("2","6","4","2","2","2","2","1") = "5"
    & skf21("2","6","4","2","2","2","3","1") = "5"
    & skf21("2","6","4","2","2","2","4","1") = "5"
    & skf21("2","6","4","2","2","2","5","1") = "5"
    & skf21("2","6","4","2","2","2","6","1") = "5"
    & skf21("2","6","4","2","2","2","7","1") = "6"
    & skf21("2","6","4","2","2","3","1","1") = "5"
    & skf21("2","6","4","2","2","3","2","1") = "5"
    & skf21("2","6","4","2","2","3","3","1") = "5"
    & skf21("2","6","4","2","2","3","4","1") = "5"
    & skf21("2","6","4","2","2","3","5","1") = "5"
    & skf21("2","6","4","2","2","3","6","1") = "5"
    & skf21("2","6","4","2","2","3","7","1") = "6"
    & skf21("2","6","4","2","2","4","1","1") = "5"
    & skf21("2","6","4","2","2","4","2","1") = "5"
    & skf21("2","6","4","2","2","4","3","1") = "5"
    & skf21("2","6","4","2","2","4","4","1") = "5"
    & skf21("2","6","4","2","2","4","5","1") = "5"
    & skf21("2","6","4","2","2","4","6","1") = "5"
    & skf21("2","6","4","2","2","4","7","1") = "6"
    & skf21("2","6","4","2","2","5","1","1") = "5"
    & skf21("2","6","4","2","2","5","2","1") = "5"
    & skf21("2","6","4","2","2","5","3","1") = "5"
    & skf21("2","6","4","2","2","5","4","1") = "5"
    & skf21("2","6","4","2","2","5","5","1") = "5"
    & skf21("2","6","4","2","2","5","6","1") = "5"
    & skf21("2","6","4","2","2","5","7","1") = "6"
    & skf21("2","6","4","2","2","6","1","1") = "5"
    & skf21("2","6","4","2","2","6","2","1") = "5"
    & skf21("2","6","4","2","2","6","3","1") = "5"
    & skf21("2","6","4","2","2","6","4","1") = "5"
    & skf21("2","6","4","2","2","6","5","1") = "5"
    & skf21("2","6","4","2","2","6","6","1") = "5"
    & skf21("2","6","4","2","2","6","7","1") = "6"
    & skf21("2","6","4","2","2","7","1","1") = "6"
    & skf21("2","6","4","2","2","7","2","1") = "6"
    & skf21("2","6","4","2","2","7","3","1") = "6"
    & skf21("2","6","4","2","2","7","4","1") = "6"
    & skf21("2","6","4","2","2","7","5","1") = "6"
    & skf21("2","6","4","2","2","7","6","1") = "6"
    & skf21("2","6","4","2","2","7","7","1") = "6"
    & skf21("2","6","4","2","3","1","1","1") = "5"
    & skf21("2","6","4","2","3","1","2","1") = "5"
    & skf21("2","6","4","2","3","1","3","1") = "5"
    & skf21("2","6","4","2","3","1","4","1") = "5"
    & skf21("2","6","4","2","3","1","5","1") = "5"
    & skf21("2","6","4","2","3","1","6","1") = "5"
    & skf21("2","6","4","2","3","1","7","1") = "6"
    & skf21("2","6","4","2","3","2","1","1") = "5"
    & skf21("2","6","4","2","3","2","2","1") = "5"
    & skf21("2","6","4","2","3","2","3","1") = "5"
    & skf21("2","6","4","2","3","2","4","1") = "5"
    & skf21("2","6","4","2","3","2","5","1") = "5"
    & skf21("2","6","4","2","3","2","6","1") = "5"
    & skf21("2","6","4","2","3","2","7","1") = "6"
    & skf21("2","6","4","2","3","3","1","1") = "5"
    & skf21("2","6","4","2","3","3","2","1") = "5"
    & skf21("2","6","4","2","3","3","3","1") = "5"
    & skf21("2","6","4","2","3","3","4","1") = "5"
    & skf21("2","6","4","2","3","3","5","1") = "5"
    & skf21("2","6","4","2","3","3","6","1") = "5"
    & skf21("2","6","4","2","3","3","7","1") = "6"
    & skf21("2","6","4","2","3","4","1","1") = "5"
    & skf21("2","6","4","2","3","4","2","1") = "5"
    & skf21("2","6","4","2","3","4","3","1") = "5"
    & skf21("2","6","4","2","3","4","4","1") = "5"
    & skf21("2","6","4","2","3","4","5","1") = "5"
    & skf21("2","6","4","2","3","4","6","1") = "5"
    & skf21("2","6","4","2","3","4","7","1") = "6"
    & skf21("2","6","4","2","3","5","1","1") = "5"
    & skf21("2","6","4","2","3","5","2","1") = "5"
    & skf21("2","6","4","2","3","5","3","1") = "5"
    & skf21("2","6","4","2","3","5","4","1") = "5"
    & skf21("2","6","4","2","3","5","5","1") = "5"
    & skf21("2","6","4","2","3","5","6","1") = "5"
    & skf21("2","6","4","2","3","5","7","1") = "6"
    & skf21("2","6","4","2","3","6","1","1") = "5"
    & skf21("2","6","4","2","3","6","2","1") = "5"
    & skf21("2","6","4","2","3","6","3","1") = "5"
    & skf21("2","6","4","2","3","6","4","1") = "5"
    & skf21("2","6","4","2","3","6","5","1") = "5"
    & skf21("2","6","4","2","3","6","6","1") = "5"
    & skf21("2","6","4","2","3","6","7","1") = "6"
    & skf21("2","6","4","2","3","7","1","1") = "6"
    & skf21("2","6","4","2","3","7","2","1") = "6"
    & skf21("2","6","4","2","3","7","3","1") = "6"
    & skf21("2","6","4","2","3","7","4","1") = "6"
    & skf21("2","6","4","2","3","7","5","1") = "6"
    & skf21("2","6","4","2","3","7","6","1") = "6"
    & skf21("2","6","4","2","3","7","7","1") = "6"
    & skf21("2","6","4","2","4","1","1","1") = "5"
    & skf21("2","6","4","2","4","1","2","1") = "5"
    & skf21("2","6","4","2","4","1","3","1") = "5"
    & skf21("2","6","4","2","4","1","4","1") = "5"
    & skf21("2","6","4","2","4","1","5","1") = "5"
    & skf21("2","6","4","2","4","1","6","1") = "5"
    & skf21("2","6","4","2","4","1","7","1") = "6"
    & skf21("2","6","4","2","4","2","1","1") = "5"
    & skf21("2","6","4","2","4","2","2","1") = "5"
    & skf21("2","6","4","2","4","2","3","1") = "5"
    & skf21("2","6","4","2","4","2","4","1") = "5"
    & skf21("2","6","4","2","4","2","5","1") = "5"
    & skf21("2","6","4","2","4","2","6","1") = "5"
    & skf21("2","6","4","2","4","2","7","1") = "6"
    & skf21("2","6","4","2","4","3","1","1") = "5"
    & skf21("2","6","4","2","4","3","2","1") = "5"
    & skf21("2","6","4","2","4","3","3","1") = "5"
    & skf21("2","6","4","2","4","3","4","1") = "5"
    & skf21("2","6","4","2","4","3","5","1") = "5"
    & skf21("2","6","4","2","4","3","6","1") = "5"
    & skf21("2","6","4","2","4","3","7","1") = "6"
    & skf21("2","6","4","2","4","4","1","1") = "5"
    & skf21("2","6","4","2","4","4","2","1") = "5"
    & skf21("2","6","4","2","4","4","3","1") = "5"
    & skf21("2","6","4","2","4","4","4","1") = "5"
    & skf21("2","6","4","2","4","4","5","1") = "5"
    & skf21("2","6","4","2","4","4","6","1") = "5"
    & skf21("2","6","4","2","4","4","7","1") = "6"
    & skf21("2","6","4","2","4","5","1","1") = "5"
    & skf21("2","6","4","2","4","5","2","1") = "5"
    & skf21("2","6","4","2","4","5","3","1") = "5"
    & skf21("2","6","4","2","4","5","4","1") = "5"
    & skf21("2","6","4","2","4","5","5","1") = "5"
    & skf21("2","6","4","2","4","5","6","1") = "5"
    & skf21("2","6","4","2","4","5","7","1") = "6"
    & skf21("2","6","4","2","4","6","1","1") = "5"
    & skf21("2","6","4","2","4","6","2","1") = "5"
    & skf21("2","6","4","2","4","6","3","1") = "5"
    & skf21("2","6","4","2","4","6","4","1") = "5"
    & skf21("2","6","4","2","4","6","5","1") = "5"
    & skf21("2","6","4","2","4","6","6","1") = "5"
    & skf21("2","6","4","2","4","6","7","1") = "6"
    & skf21("2","6","4","2","4","7","1","1") = "6"
    & skf21("2","6","4","2","4","7","2","1") = "6"
    & skf21("2","6","4","2","4","7","3","1") = "6"
    & skf21("2","6","4","2","4","7","4","1") = "6"
    & skf21("2","6","4","2","4","7","5","1") = "6"
    & skf21("2","6","4","2","4","7","6","1") = "6"
    & skf21("2","6","4","2","4","7","7","1") = "6"
    & skf21("2","6","4","2","5","1","1","1") = "5"
    & skf21("2","6","4","2","5","1","2","1") = "5"
    & skf21("2","6","4","2","5","1","3","1") = "5"
    & skf21("2","6","4","2","5","1","4","1") = "5"
    & skf21("2","6","4","2","5","1","5","1") = "5"
    & skf21("2","6","4","2","5","1","6","1") = "5"
    & skf21("2","6","4","2","5","1","7","1") = "6"
    & skf21("2","6","4","2","5","2","1","1") = "5"
    & skf21("2","6","4","2","5","2","2","1") = "5"
    & skf21("2","6","4","2","5","2","3","1") = "5"
    & skf21("2","6","4","2","5","2","4","1") = "5"
    & skf21("2","6","4","2","5","2","5","1") = "5"
    & skf21("2","6","4","2","5","2","6","1") = "5"
    & skf21("2","6","4","2","5","2","7","1") = "6"
    & skf21("2","6","4","2","5","3","1","1") = "5"
    & skf21("2","6","4","2","5","3","2","1") = "5"
    & skf21("2","6","4","2","5","3","3","1") = "5"
    & skf21("2","6","4","2","5","3","4","1") = "5"
    & skf21("2","6","4","2","5","3","5","1") = "5"
    & skf21("2","6","4","2","5","3","6","1") = "5"
    & skf21("2","6","4","2","5","3","7","1") = "6"
    & skf21("2","6","4","2","5","4","1","1") = "5"
    & skf21("2","6","4","2","5","4","2","1") = "5"
    & skf21("2","6","4","2","5","4","3","1") = "5"
    & skf21("2","6","4","2","5","4","4","1") = "5"
    & skf21("2","6","4","2","5","4","5","1") = "5"
    & skf21("2","6","4","2","5","4","6","1") = "5"
    & skf21("2","6","4","2","5","4","7","1") = "6"
    & skf21("2","6","4","2","5","5","1","1") = "5"
    & skf21("2","6","4","2","5","5","2","1") = "5"
    & skf21("2","6","4","2","5","5","3","1") = "5"
    & skf21("2","6","4","2","5","5","4","1") = "5"
    & skf21("2","6","4","2","5","5","5","1") = "5"
    & skf21("2","6","4","2","5","5","6","1") = "5"
    & skf21("2","6","4","2","5","5","7","1") = "6"
    & skf21("2","6","4","2","5","6","1","1") = "5"
    & skf21("2","6","4","2","5","6","2","1") = "5"
    & skf21("2","6","4","2","5","6","3","1") = "5"
    & skf21("2","6","4","2","5","6","4","1") = "5"
    & skf21("2","6","4","2","5","6","5","1") = "5"
    & skf21("2","6","4","2","5","6","6","1") = "5"
    & skf21("2","6","4","2","5","6","7","1") = "6"
    & skf21("2","6","4","2","5","7","1","1") = "6"
    & skf21("2","6","4","2","5","7","2","1") = "6"
    & skf21("2","6","4","2","5","7","3","1") = "6"
    & skf21("2","6","4","2","5","7","4","1") = "6"
    & skf21("2","6","4","2","5","7","5","1") = "6"
    & skf21("2","6","4","2","5","7","6","1") = "6"
    & skf21("2","6","4","2","5","7","7","1") = "6"
    & skf21("2","6","4","2","6","1","1","1") = "5"
    & skf21("2","6","4","2","6","1","2","1") = "5"
    & skf21("2","6","4","2","6","1","3","1") = "5"
    & skf21("2","6","4","2","6","1","4","1") = "5"
    & skf21("2","6","4","2","6","1","5","1") = "5"
    & skf21("2","6","4","2","6","1","6","1") = "5"
    & skf21("2","6","4","2","6","1","7","1") = "6"
    & skf21("2","6","4","2","6","2","1","1") = "5"
    & skf21("2","6","4","2","6","2","2","1") = "5"
    & skf21("2","6","4","2","6","2","3","1") = "5"
    & skf21("2","6","4","2","6","2","4","1") = "5"
    & skf21("2","6","4","2","6","2","5","1") = "5"
    & skf21("2","6","4","2","6","2","6","1") = "5"
    & skf21("2","6","4","2","6","2","7","1") = "6"
    & skf21("2","6","4","2","6","3","1","1") = "5"
    & skf21("2","6","4","2","6","3","2","1") = "5"
    & skf21("2","6","4","2","6","3","3","1") = "5"
    & skf21("2","6","4","2","6","3","4","1") = "5"
    & skf21("2","6","4","2","6","3","5","1") = "5"
    & skf21("2","6","4","2","6","3","6","1") = "5"
    & skf21("2","6","4","2","6","3","7","1") = "6"
    & skf21("2","6","4","2","6","4","1","1") = "5"
    & skf21("2","6","4","2","6","4","2","1") = "5"
    & skf21("2","6","4","2","6","4","3","1") = "5"
    & skf21("2","6","4","2","6","4","4","1") = "5"
    & skf21("2","6","4","2","6","4","5","1") = "5"
    & skf21("2","6","4","2","6","4","6","1") = "5"
    & skf21("2","6","4","2","6","4","7","1") = "6"
    & skf21("2","6","4","2","6","5","1","1") = "5"
    & skf21("2","6","4","2","6","5","2","1") = "5"
    & skf21("2","6","4","2","6","5","3","1") = "5"
    & skf21("2","6","4","2","6","5","4","1") = "5"
    & skf21("2","6","4","2","6","5","5","1") = "5"
    & skf21("2","6","4","2","6","5","6","1") = "5"
    & skf21("2","6","4","2","6","5","7","1") = "6"
    & skf21("2","6","4","2","6","6","1","1") = "5"
    & skf21("2","6","4","2","6","6","2","1") = "5"
    & skf21("2","6","4","2","6","6","3","1") = "5"
    & skf21("2","6","4","2","6","6","4","1") = "5"
    & skf21("2","6","4","2","6","6","5","1") = "5"
    & skf21("2","6","4","2","6","6","6","1") = "5"
    & skf21("2","6","4","2","6","6","7","1") = "6"
    & skf21("2","6","4","2","6","7","1","1") = "6"
    & skf21("2","6","4","2","6","7","2","1") = "6"
    & skf21("2","6","4","2","6","7","3","1") = "6"
    & skf21("2","6","4","2","6","7","4","1") = "6"
    & skf21("2","6","4","2","6","7","5","1") = "6"
    & skf21("2","6","4","2","6","7","6","1") = "6"
    & skf21("2","6","4","2","6","7","7","1") = "6"
    & skf21("2","6","4","2","7","1","1","1") = "6"
    & skf21("2","6","4","2","7","1","2","1") = "6"
    & skf21("2","6","4","2","7","1","3","1") = "6"
    & skf21("2","6","4","2","7","1","4","1") = "6"
    & skf21("2","6","4","2","7","1","5","1") = "6"
    & skf21("2","6","4","2","7","1","6","1") = "6"
    & skf21("2","6","4","2","7","1","7","1") = "6"
    & skf21("2","6","4","2","7","2","1","1") = "6"
    & skf21("2","6","4","2","7","2","2","1") = "6"
    & skf21("2","6","4","2","7","2","3","1") = "6"
    & skf21("2","6","4","2","7","2","4","1") = "6"
    & skf21("2","6","4","2","7","2","5","1") = "6"
    & skf21("2","6","4","2","7","2","6","1") = "6"
    & skf21("2","6","4","2","7","2","7","1") = "6"
    & skf21("2","6","4","2","7","3","1","1") = "6"
    & skf21("2","6","4","2","7","3","2","1") = "6"
    & skf21("2","6","4","2","7","3","3","1") = "6"
    & skf21("2","6","4","2","7","3","4","1") = "6"
    & skf21("2","6","4","2","7","3","5","1") = "6"
    & skf21("2","6","4","2","7","3","6","1") = "6"
    & skf21("2","6","4","2","7","3","7","1") = "6"
    & skf21("2","6","4","2","7","4","1","1") = "6"
    & skf21("2","6","4","2","7","4","2","1") = "6"
    & skf21("2","6","4","2","7","4","3","1") = "6"
    & skf21("2","6","4","2","7","4","4","1") = "6"
    & skf21("2","6","4","2","7","4","5","1") = "6"
    & skf21("2","6","4","2","7","4","6","1") = "6"
    & skf21("2","6","4","2","7","4","7","1") = "6"
    & skf21("2","6","4","2","7","5","1","1") = "6"
    & skf21("2","6","4","2","7","5","2","1") = "6"
    & skf21("2","6","4","2","7","5","3","1") = "6"
    & skf21("2","6","4","2","7","5","4","1") = "6"
    & skf21("2","6","4","2","7","5","5","1") = "6"
    & skf21("2","6","4","2","7","5","6","1") = "6"
    & skf21("2","6","4","2","7","5","7","1") = "6"
    & skf21("2","6","4","2","7","6","1","1") = "6"
    & skf21("2","6","4","2","7","6","2","1") = "6"
    & skf21("2","6","4","2","7","6","3","1") = "6"
    & skf21("2","6","4","2","7","6","4","1") = "6"
    & skf21("2","6","4","2","7","6","5","1") = "6"
    & skf21("2","6","4","2","7","6","6","1") = "6"
    & skf21("2","6","4","2","7","6","7","1") = "6"
    & skf21("2","6","4","2","7","7","1","1") = "6"
    & skf21("2","6","4","2","7","7","2","1") = "6"
    & skf21("2","6","4","2","7","7","3","1") = "6"
    & skf21("2","6","4","2","7","7","4","1") = "6"
    & skf21("2","6","4","2","7","7","5","1") = "6"
    & skf21("2","6","4","2","7","7","6","1") = "6"
    & skf21("2","6","4","2","7","7","7","1") = "6"
    & skf21("2","6","4","3","1","1","1","1") = "5"
    & skf21("2","6","4","3","1","1","2","1") = "5"
    & skf21("2","6","4","3","1","1","3","1") = "5"
    & skf21("2","6","4","3","1","1","4","1") = "5"
    & skf21("2","6","4","3","1","1","5","1") = "5"
    & skf21("2","6","4","3","1","1","6","1") = "5"
    & skf21("2","6","4","3","1","1","7","1") = "6"
    & skf21("2","6","4","3","1","2","1","1") = "5"
    & skf21("2","6","4","3","1","2","2","1") = "5"
    & skf21("2","6","4","3","1","2","3","1") = "5"
    & skf21("2","6","4","3","1","2","4","1") = "5"
    & skf21("2","6","4","3","1","2","5","1") = "5"
    & skf21("2","6","4","3","1","2","6","1") = "5"
    & skf21("2","6","4","3","1","2","7","1") = "6"
    & skf21("2","6","4","3","1","3","1","1") = "5"
    & skf21("2","6","4","3","1","3","2","1") = "5"
    & skf21("2","6","4","3","1","3","3","1") = "5"
    & skf21("2","6","4","3","1","3","4","1") = "5"
    & skf21("2","6","4","3","1","3","5","1") = "5"
    & skf21("2","6","4","3","1","3","6","1") = "5"
    & skf21("2","6","4","3","1","3","7","1") = "6"
    & skf21("2","6","4","3","1","4","1","1") = "5"
    & skf21("2","6","4","3","1","4","2","1") = "5"
    & skf21("2","6","4","3","1","4","3","1") = "5"
    & skf21("2","6","4","3","1","4","4","1") = "5"
    & skf21("2","6","4","3","1","4","5","1") = "5"
    & skf21("2","6","4","3","1","4","6","1") = "5"
    & skf21("2","6","4","3","1","4","7","1") = "6"
    & skf21("2","6","4","3","1","5","1","1") = "5"
    & skf21("2","6","4","3","1","5","2","1") = "5"
    & skf21("2","6","4","3","1","5","3","1") = "5"
    & skf21("2","6","4","3","1","5","4","1") = "5"
    & skf21("2","6","4","3","1","5","5","1") = "5"
    & skf21("2","6","4","3","1","5","6","1") = "5"
    & skf21("2","6","4","3","1","5","7","1") = "6"
    & skf21("2","6","4","3","1","6","1","1") = "5"
    & skf21("2","6","4","3","1","6","2","1") = "5"
    & skf21("2","6","4","3","1","6","3","1") = "5"
    & skf21("2","6","4","3","1","6","4","1") = "5"
    & skf21("2","6","4","3","1","6","5","1") = "5"
    & skf21("2","6","4","3","1","6","6","1") = "5"
    & skf21("2","6","4","3","1","6","7","1") = "6"
    & skf21("2","6","4","3","1","7","1","1") = "6"
    & skf21("2","6","4","3","1","7","2","1") = "6"
    & skf21("2","6","4","3","1","7","3","1") = "6"
    & skf21("2","6","4","3","1","7","4","1") = "6"
    & skf21("2","6","4","3","1","7","5","1") = "6"
    & skf21("2","6","4","3","1","7","6","1") = "6"
    & skf21("2","6","4","3","1","7","7","1") = "6"
    & skf21("2","6","4","3","2","1","1","1") = "5"
    & skf21("2","6","4","3","2","1","2","1") = "5"
    & skf21("2","6","4","3","2","1","3","1") = "5"
    & skf21("2","6","4","3","2","1","4","1") = "5"
    & skf21("2","6","4","3","2","1","5","1") = "5"
    & skf21("2","6","4","3","2","1","6","1") = "5"
    & skf21("2","6","4","3","2","1","7","1") = "6"
    & skf21("2","6","4","3","2","2","1","1") = "5"
    & skf21("2","6","4","3","2","2","2","1") = "5"
    & skf21("2","6","4","3","2","2","3","1") = "5"
    & skf21("2","6","4","3","2","2","4","1") = "5"
    & skf21("2","6","4","3","2","2","5","1") = "5"
    & skf21("2","6","4","3","2","2","6","1") = "5"
    & skf21("2","6","4","3","2","2","7","1") = "6"
    & skf21("2","6","4","3","2","3","1","1") = "5"
    & skf21("2","6","4","3","2","3","2","1") = "5"
    & skf21("2","6","4","3","2","3","3","1") = "5"
    & skf21("2","6","4","3","2","3","4","1") = "5"
    & skf21("2","6","4","3","2","3","5","1") = "5"
    & skf21("2","6","4","3","2","3","6","1") = "5"
    & skf21("2","6","4","3","2","3","7","1") = "6"
    & skf21("2","6","4","3","2","4","1","1") = "5"
    & skf21("2","6","4","3","2","4","2","1") = "5"
    & skf21("2","6","4","3","2","4","3","1") = "5"
    & skf21("2","6","4","3","2","4","4","1") = "5"
    & skf21("2","6","4","3","2","4","5","1") = "5"
    & skf21("2","6","4","3","2","4","6","1") = "5"
    & skf21("2","6","4","3","2","4","7","1") = "6"
    & skf21("2","6","4","3","2","5","1","1") = "5"
    & skf21("2","6","4","3","2","5","2","1") = "5"
    & skf21("2","6","4","3","2","5","3","1") = "5"
    & skf21("2","6","4","3","2","5","4","1") = "5"
    & skf21("2","6","4","3","2","5","5","1") = "5"
    & skf21("2","6","4","3","2","5","6","1") = "5"
    & skf21("2","6","4","3","2","5","7","1") = "6"
    & skf21("2","6","4","3","2","6","1","1") = "5"
    & skf21("2","6","4","3","2","6","2","1") = "5"
    & skf21("2","6","4","3","2","6","3","1") = "5"
    & skf21("2","6","4","3","2","6","4","1") = "5"
    & skf21("2","6","4","3","2","6","5","1") = "5"
    & skf21("2","6","4","3","2","6","6","1") = "5"
    & skf21("2","6","4","3","2","6","7","1") = "6"
    & skf21("2","6","4","3","2","7","1","1") = "6"
    & skf21("2","6","4","3","2","7","2","1") = "6"
    & skf21("2","6","4","3","2","7","3","1") = "6"
    & skf21("2","6","4","3","2","7","4","1") = "6"
    & skf21("2","6","4","3","2","7","5","1") = "6"
    & skf21("2","6","4","3","2","7","6","1") = "6"
    & skf21("2","6","4","3","2","7","7","1") = "6"
    & skf21("2","6","4","3","3","1","1","1") = "5"
    & skf21("2","6","4","3","3","1","2","1") = "5"
    & skf21("2","6","4","3","3","1","3","1") = "5"
    & skf21("2","6","4","3","3","1","4","1") = "5"
    & skf21("2","6","4","3","3","1","5","1") = "5"
    & skf21("2","6","4","3","3","1","6","1") = "5"
    & skf21("2","6","4","3","3","1","7","1") = "6"
    & skf21("2","6","4","3","3","2","1","1") = "5"
    & skf21("2","6","4","3","3","2","2","1") = "5"
    & skf21("2","6","4","3","3","2","3","1") = "5"
    & skf21("2","6","4","3","3","2","4","1") = "5"
    & skf21("2","6","4","3","3","2","5","1") = "5"
    & skf21("2","6","4","3","3","2","6","1") = "5"
    & skf21("2","6","4","3","3","2","7","1") = "6"
    & skf21("2","6","4","3","3","3","1","1") = "5"
    & skf21("2","6","4","3","3","3","2","1") = "5"
    & skf21("2","6","4","3","3","3","3","1") = "5"
    & skf21("2","6","4","3","3","3","4","1") = "5"
    & skf21("2","6","4","3","3","3","5","1") = "5"
    & skf21("2","6","4","3","3","3","6","1") = "5"
    & skf21("2","6","4","3","3","3","7","1") = "6"
    & skf21("2","6","4","3","3","4","1","1") = "5"
    & skf21("2","6","4","3","3","4","2","1") = "5"
    & skf21("2","6","4","3","3","4","3","1") = "5"
    & skf21("2","6","4","3","3","4","4","1") = "5"
    & skf21("2","6","4","3","3","4","5","1") = "5"
    & skf21("2","6","4","3","3","4","6","1") = "5"
    & skf21("2","6","4","3","3","4","7","1") = "6"
    & skf21("2","6","4","3","3","5","1","1") = "5"
    & skf21("2","6","4","3","3","5","2","1") = "5"
    & skf21("2","6","4","3","3","5","3","1") = "5"
    & skf21("2","6","4","3","3","5","4","1") = "5"
    & skf21("2","6","4","3","3","5","5","1") = "5"
    & skf21("2","6","4","3","3","5","6","1") = "5"
    & skf21("2","6","4","3","3","5","7","1") = "6"
    & skf21("2","6","4","3","3","6","1","1") = "5"
    & skf21("2","6","4","3","3","6","2","1") = "5"
    & skf21("2","6","4","3","3","6","3","1") = "5"
    & skf21("2","6","4","3","3","6","4","1") = "5"
    & skf21("2","6","4","3","3","6","5","1") = "5"
    & skf21("2","6","4","3","3","6","6","1") = "5"
    & skf21("2","6","4","3","3","6","7","1") = "6"
    & skf21("2","6","4","3","3","7","1","1") = "6"
    & skf21("2","6","4","3","3","7","2","1") = "6"
    & skf21("2","6","4","3","3","7","3","1") = "6"
    & skf21("2","6","4","3","3","7","4","1") = "6"
    & skf21("2","6","4","3","3","7","5","1") = "6"
    & skf21("2","6","4","3","3","7","6","1") = "6"
    & skf21("2","6","4","3","3","7","7","1") = "6"
    & skf21("2","6","4","3","4","1","1","1") = "5"
    & skf21("2","6","4","3","4","1","2","1") = "5"
    & skf21("2","6","4","3","4","1","3","1") = "5"
    & skf21("2","6","4","3","4","1","4","1") = "5"
    & skf21("2","6","4","3","4","1","5","1") = "5"
    & skf21("2","6","4","3","4","1","6","1") = "5"
    & skf21("2","6","4","3","4","1","7","1") = "6"
    & skf21("2","6","4","3","4","2","1","1") = "5"
    & skf21("2","6","4","3","4","2","2","1") = "5"
    & skf21("2","6","4","3","4","2","3","1") = "5"
    & skf21("2","6","4","3","4","2","4","1") = "5"
    & skf21("2","6","4","3","4","2","5","1") = "5"
    & skf21("2","6","4","3","4","2","6","1") = "5"
    & skf21("2","6","4","3","4","2","7","1") = "6"
    & skf21("2","6","4","3","4","3","1","1") = "5"
    & skf21("2","6","4","3","4","3","2","1") = "5"
    & skf21("2","6","4","3","4","3","3","1") = "5"
    & skf21("2","6","4","3","4","3","4","1") = "5"
    & skf21("2","6","4","3","4","3","5","1") = "5"
    & skf21("2","6","4","3","4","3","6","1") = "5"
    & skf21("2","6","4","3","4","3","7","1") = "6"
    & skf21("2","6","4","3","4","4","1","1") = "5"
    & skf21("2","6","4","3","4","4","2","1") = "5"
    & skf21("2","6","4","3","4","4","3","1") = "5"
    & skf21("2","6","4","3","4","4","4","1") = "5"
    & skf21("2","6","4","3","4","4","5","1") = "5"
    & skf21("2","6","4","3","4","4","6","1") = "5"
    & skf21("2","6","4","3","4","4","7","1") = "6"
    & skf21("2","6","4","3","4","5","1","1") = "5"
    & skf21("2","6","4","3","4","5","2","1") = "5"
    & skf21("2","6","4","3","4","5","3","1") = "5"
    & skf21("2","6","4","3","4","5","4","1") = "5"
    & skf21("2","6","4","3","4","5","5","1") = "5"
    & skf21("2","6","4","3","4","5","6","1") = "5"
    & skf21("2","6","4","3","4","5","7","1") = "6"
    & skf21("2","6","4","3","4","6","1","1") = "5"
    & skf21("2","6","4","3","4","6","2","1") = "5"
    & skf21("2","6","4","3","4","6","3","1") = "5"
    & skf21("2","6","4","3","4","6","4","1") = "5"
    & skf21("2","6","4","3","4","6","5","1") = "5"
    & skf21("2","6","4","3","4","6","6","1") = "5"
    & skf21("2","6","4","3","4","6","7","1") = "6"
    & skf21("2","6","4","3","4","7","1","1") = "6"
    & skf21("2","6","4","3","4","7","2","1") = "6"
    & skf21("2","6","4","3","4","7","3","1") = "6"
    & skf21("2","6","4","3","4","7","4","1") = "6"
    & skf21("2","6","4","3","4","7","5","1") = "6"
    & skf21("2","6","4","3","4","7","6","1") = "6"
    & skf21("2","6","4","3","4","7","7","1") = "6"
    & skf21("2","6","4","3","5","1","1","1") = "5"
    & skf21("2","6","4","3","5","1","2","1") = "5"
    & skf21("2","6","4","3","5","1","3","1") = "5"
    & skf21("2","6","4","3","5","1","4","1") = "5"
    & skf21("2","6","4","3","5","1","5","1") = "5"
    & skf21("2","6","4","3","5","1","6","1") = "5"
    & skf21("2","6","4","3","5","1","7","1") = "6"
    & skf21("2","6","4","3","5","2","1","1") = "5"
    & skf21("2","6","4","3","5","2","2","1") = "5"
    & skf21("2","6","4","3","5","2","3","1") = "5"
    & skf21("2","6","4","3","5","2","4","1") = "5"
    & skf21("2","6","4","3","5","2","5","1") = "5"
    & skf21("2","6","4","3","5","2","6","1") = "5"
    & skf21("2","6","4","3","5","2","7","1") = "6"
    & skf21("2","6","4","3","5","3","1","1") = "5"
    & skf21("2","6","4","3","5","3","2","1") = "5"
    & skf21("2","6","4","3","5","3","3","1") = "5"
    & skf21("2","6","4","3","5","3","4","1") = "5"
    & skf21("2","6","4","3","5","3","5","1") = "5"
    & skf21("2","6","4","3","5","3","6","1") = "5"
    & skf21("2","6","4","3","5","3","7","1") = "6"
    & skf21("2","6","4","3","5","4","1","1") = "5"
    & skf21("2","6","4","3","5","4","2","1") = "5"
    & skf21("2","6","4","3","5","4","3","1") = "5"
    & skf21("2","6","4","3","5","4","4","1") = "5"
    & skf21("2","6","4","3","5","4","5","1") = "5"
    & skf21("2","6","4","3","5","4","6","1") = "5"
    & skf21("2","6","4","3","5","4","7","1") = "6"
    & skf21("2","6","4","3","5","5","1","1") = "5"
    & skf21("2","6","4","3","5","5","2","1") = "5"
    & skf21("2","6","4","3","5","5","3","1") = "5"
    & skf21("2","6","4","3","5","5","4","1") = "5"
    & skf21("2","6","4","3","5","5","5","1") = "5"
    & skf21("2","6","4","3","5","5","6","1") = "5"
    & skf21("2","6","4","3","5","5","7","1") = "6"
    & skf21("2","6","4","3","5","6","1","1") = "5"
    & skf21("2","6","4","3","5","6","2","1") = "5"
    & skf21("2","6","4","3","5","6","3","1") = "5"
    & skf21("2","6","4","3","5","6","4","1") = "5"
    & skf21("2","6","4","3","5","6","5","1") = "5"
    & skf21("2","6","4","3","5","6","6","1") = "5"
    & skf21("2","6","4","3","5","6","7","1") = "6"
    & skf21("2","6","4","3","5","7","1","1") = "6"
    & skf21("2","6","4","3","5","7","2","1") = "6"
    & skf21("2","6","4","3","5","7","3","1") = "6"
    & skf21("2","6","4","3","5","7","4","1") = "6"
    & skf21("2","6","4","3","5","7","5","1") = "6"
    & skf21("2","6","4","3","5","7","6","1") = "6"
    & skf21("2","6","4","3","5","7","7","1") = "6"
    & skf21("2","6","4","3","6","1","1","1") = "5"
    & skf21("2","6","4","3","6","1","2","1") = "5"
    & skf21("2","6","4","3","6","1","3","1") = "5"
    & skf21("2","6","4","3","6","1","4","1") = "5"
    & skf21("2","6","4","3","6","1","5","1") = "5"
    & skf21("2","6","4","3","6","1","6","1") = "5"
    & skf21("2","6","4","3","6","1","7","1") = "6"
    & skf21("2","6","4","3","6","2","1","1") = "5"
    & skf21("2","6","4","3","6","2","2","1") = "5"
    & skf21("2","6","4","3","6","2","3","1") = "5"
    & skf21("2","6","4","3","6","2","4","1") = "5"
    & skf21("2","6","4","3","6","2","5","1") = "5"
    & skf21("2","6","4","3","6","2","6","1") = "5"
    & skf21("2","6","4","3","6","2","7","1") = "6"
    & skf21("2","6","4","3","6","3","1","1") = "5"
    & skf21("2","6","4","3","6","3","2","1") = "5"
    & skf21("2","6","4","3","6","3","3","1") = "5"
    & skf21("2","6","4","3","6","3","4","1") = "5"
    & skf21("2","6","4","3","6","3","5","1") = "5"
    & skf21("2","6","4","3","6","3","6","1") = "5"
    & skf21("2","6","4","3","6","3","7","1") = "6"
    & skf21("2","6","4","3","6","4","1","1") = "5"
    & skf21("2","6","4","3","6","4","2","1") = "5"
    & skf21("2","6","4","3","6","4","3","1") = "5"
    & skf21("2","6","4","3","6","4","4","1") = "5"
    & skf21("2","6","4","3","6","4","5","1") = "5"
    & skf21("2","6","4","3","6","4","6","1") = "5"
    & skf21("2","6","4","3","6","4","7","1") = "6"
    & skf21("2","6","4","3","6","5","1","1") = "5"
    & skf21("2","6","4","3","6","5","2","1") = "5"
    & skf21("2","6","4","3","6","5","3","1") = "5"
    & skf21("2","6","4","3","6","5","4","1") = "5"
    & skf21("2","6","4","3","6","5","5","1") = "5"
    & skf21("2","6","4","3","6","5","6","1") = "5"
    & skf21("2","6","4","3","6","5","7","1") = "6"
    & skf21("2","6","4","3","6","6","1","1") = "5"
    & skf21("2","6","4","3","6","6","2","1") = "5"
    & skf21("2","6","4","3","6","6","3","1") = "5"
    & skf21("2","6","4","3","6","6","4","1") = "5"
    & skf21("2","6","4","3","6","6","5","1") = "5"
    & skf21("2","6","4","3","6","6","6","1") = "5"
    & skf21("2","6","4","3","6","6","7","1") = "6"
    & skf21("2","6","4","3","6","7","1","1") = "6"
    & skf21("2","6","4","3","6","7","2","1") = "6"
    & skf21("2","6","4","3","6","7","3","1") = "6"
    & skf21("2","6","4","3","6","7","4","1") = "6"
    & skf21("2","6","4","3","6","7","5","1") = "6"
    & skf21("2","6","4","3","6","7","6","1") = "6"
    & skf21("2","6","4","3","6","7","7","1") = "6"
    & skf21("2","6","4","3","7","1","1","1") = "6"
    & skf21("2","6","4","3","7","1","2","1") = "6"
    & skf21("2","6","4","3","7","1","3","1") = "6"
    & skf21("2","6","4","3","7","1","4","1") = "6"
    & skf21("2","6","4","3","7","1","5","1") = "6"
    & skf21("2","6","4","3","7","1","6","1") = "6"
    & skf21("2","6","4","3","7","1","7","1") = "6"
    & skf21("2","6","4","3","7","2","1","1") = "6"
    & skf21("2","6","4","3","7","2","2","1") = "6"
    & skf21("2","6","4","3","7","2","3","1") = "6"
    & skf21("2","6","4","3","7","2","4","1") = "6"
    & skf21("2","6","4","3","7","2","5","1") = "6"
    & skf21("2","6","4","3","7","2","6","1") = "6"
    & skf21("2","6","4","3","7","2","7","1") = "6"
    & skf21("2","6","4","3","7","3","1","1") = "6"
    & skf21("2","6","4","3","7","3","2","1") = "6"
    & skf21("2","6","4","3","7","3","3","1") = "6"
    & skf21("2","6","4","3","7","3","4","1") = "6"
    & skf21("2","6","4","3","7","3","5","1") = "6"
    & skf21("2","6","4","3","7","3","6","1") = "6"
    & skf21("2","6","4","3","7","3","7","1") = "6"
    & skf21("2","6","4","3","7","4","1","1") = "6"
    & skf21("2","6","4","3","7","4","2","1") = "6"
    & skf21("2","6","4","3","7","4","3","1") = "6"
    & skf21("2","6","4","3","7","4","4","1") = "6"
    & skf21("2","6","4","3","7","4","5","1") = "6"
    & skf21("2","6","4","3","7","4","6","1") = "6"
    & skf21("2","6","4","3","7","4","7","1") = "6"
    & skf21("2","6","4","3","7","5","1","1") = "6"
    & skf21("2","6","4","3","7","5","2","1") = "6"
    & skf21("2","6","4","3","7","5","3","1") = "6"
    & skf21("2","6","4","3","7","5","4","1") = "6"
    & skf21("2","6","4","3","7","5","5","1") = "6"
    & skf21("2","6","4","3","7","5","6","1") = "6"
    & skf21("2","6","4","3","7","5","7","1") = "6"
    & skf21("2","6","4","3","7","6","1","1") = "6"
    & skf21("2","6","4","3","7","6","2","1") = "6"
    & skf21("2","6","4","3","7","6","3","1") = "6"
    & skf21("2","6","4","3","7","6","4","1") = "6"
    & skf21("2","6","4","3","7","6","5","1") = "6"
    & skf21("2","6","4","3","7","6","6","1") = "6"
    & skf21("2","6","4","3","7","6","7","1") = "6"
    & skf21("2","6","4","3","7","7","1","1") = "6"
    & skf21("2","6","4","3","7","7","2","1") = "6"
    & skf21("2","6","4","3","7","7","3","1") = "6"
    & skf21("2","6","4","3","7","7","4","1") = "6"
    & skf21("2","6","4","3","7","7","5","1") = "6"
    & skf21("2","6","4","3","7","7","6","1") = "6"
    & skf21("2","6","4","3","7","7","7","1") = "6"
    & skf21("2","6","4","4","1","1","1","1") = "5"
    & skf21("2","6","4","4","1","1","2","1") = "5"
    & skf21("2","6","4","4","1","1","3","1") = "5"
    & skf21("2","6","4","4","1","1","4","1") = "5"
    & skf21("2","6","4","4","1","1","5","1") = "5"
    & skf21("2","6","4","4","1","1","6","1") = "5"
    & skf21("2","6","4","4","1","1","7","1") = "6"
    & skf21("2","6","4","4","1","2","1","1") = "5"
    & skf21("2","6","4","4","1","2","2","1") = "5"
    & skf21("2","6","4","4","1","2","3","1") = "5"
    & skf21("2","6","4","4","1","2","4","1") = "5"
    & skf21("2","6","4","4","1","2","5","1") = "5"
    & skf21("2","6","4","4","1","2","6","1") = "5"
    & skf21("2","6","4","4","1","2","7","1") = "6"
    & skf21("2","6","4","4","1","3","1","1") = "5"
    & skf21("2","6","4","4","1","3","2","1") = "5"
    & skf21("2","6","4","4","1","3","3","1") = "5"
    & skf21("2","6","4","4","1","3","4","1") = "5"
    & skf21("2","6","4","4","1","3","5","1") = "5"
    & skf21("2","6","4","4","1","3","6","1") = "5"
    & skf21("2","6","4","4","1","3","7","1") = "6"
    & skf21("2","6","4","4","1","4","1","1") = "5"
    & skf21("2","6","4","4","1","4","2","1") = "5"
    & skf21("2","6","4","4","1","4","3","1") = "5"
    & skf21("2","6","4","4","1","4","4","1") = "5"
    & skf21("2","6","4","4","1","4","5","1") = "5"
    & skf21("2","6","4","4","1","4","6","1") = "5"
    & skf21("2","6","4","4","1","4","7","1") = "6"
    & skf21("2","6","4","4","1","5","1","1") = "5"
    & skf21("2","6","4","4","1","5","2","1") = "5"
    & skf21("2","6","4","4","1","5","3","1") = "5"
    & skf21("2","6","4","4","1","5","4","1") = "5"
    & skf21("2","6","4","4","1","5","5","1") = "5"
    & skf21("2","6","4","4","1","5","6","1") = "5"
    & skf21("2","6","4","4","1","5","7","1") = "6"
    & skf21("2","6","4","4","1","6","1","1") = "5"
    & skf21("2","6","4","4","1","6","2","1") = "5"
    & skf21("2","6","4","4","1","6","3","1") = "5"
    & skf21("2","6","4","4","1","6","4","1") = "5"
    & skf21("2","6","4","4","1","6","5","1") = "5"
    & skf21("2","6","4","4","1","6","6","1") = "5"
    & skf21("2","6","4","4","1","6","7","1") = "6"
    & skf21("2","6","4","4","1","7","1","1") = "6"
    & skf21("2","6","4","4","1","7","2","1") = "6"
    & skf21("2","6","4","4","1","7","3","1") = "6"
    & skf21("2","6","4","4","1","7","4","1") = "6"
    & skf21("2","6","4","4","1","7","5","1") = "6"
    & skf21("2","6","4","4","1","7","6","1") = "6"
    & skf21("2","6","4","4","1","7","7","1") = "6"
    & skf21("2","6","4","4","2","1","1","1") = "5"
    & skf21("2","6","4","4","2","1","2","1") = "5"
    & skf21("2","6","4","4","2","1","3","1") = "5"
    & skf21("2","6","4","4","2","1","4","1") = "5"
    & skf21("2","6","4","4","2","1","5","1") = "5"
    & skf21("2","6","4","4","2","1","6","1") = "5"
    & skf21("2","6","4","4","2","1","7","1") = "6"
    & skf21("2","6","4","4","2","2","1","1") = "5"
    & skf21("2","6","4","4","2","2","2","1") = "5"
    & skf21("2","6","4","4","2","2","3","1") = "5"
    & skf21("2","6","4","4","2","2","4","1") = "5"
    & skf21("2","6","4","4","2","2","5","1") = "5"
    & skf21("2","6","4","4","2","2","6","1") = "5"
    & skf21("2","6","4","4","2","2","7","1") = "6"
    & skf21("2","6","4","4","2","3","1","1") = "5"
    & skf21("2","6","4","4","2","3","2","1") = "5"
    & skf21("2","6","4","4","2","3","3","1") = "5"
    & skf21("2","6","4","4","2","3","4","1") = "5"
    & skf21("2","6","4","4","2","3","5","1") = "5"
    & skf21("2","6","4","4","2","3","6","1") = "5"
    & skf21("2","6","4","4","2","3","7","1") = "6"
    & skf21("2","6","4","4","2","4","1","1") = "5"
    & skf21("2","6","4","4","2","4","2","1") = "5"
    & skf21("2","6","4","4","2","4","3","1") = "5"
    & skf21("2","6","4","4","2","4","4","1") = "5"
    & skf21("2","6","4","4","2","4","5","1") = "5"
    & skf21("2","6","4","4","2","4","6","1") = "5"
    & skf21("2","6","4","4","2","4","7","1") = "6"
    & skf21("2","6","4","4","2","5","1","1") = "5"
    & skf21("2","6","4","4","2","5","2","1") = "5"
    & skf21("2","6","4","4","2","5","3","1") = "5"
    & skf21("2","6","4","4","2","5","4","1") = "5"
    & skf21("2","6","4","4","2","5","5","1") = "5"
    & skf21("2","6","4","4","2","5","6","1") = "5"
    & skf21("2","6","4","4","2","5","7","1") = "6"
    & skf21("2","6","4","4","2","6","1","1") = "5"
    & skf21("2","6","4","4","2","6","2","1") = "5"
    & skf21("2","6","4","4","2","6","3","1") = "5"
    & skf21("2","6","4","4","2","6","4","1") = "5"
    & skf21("2","6","4","4","2","6","5","1") = "5"
    & skf21("2","6","4","4","2","6","6","1") = "5"
    & skf21("2","6","4","4","2","6","7","1") = "6"
    & skf21("2","6","4","4","2","7","1","1") = "6"
    & skf21("2","6","4","4","2","7","2","1") = "6"
    & skf21("2","6","4","4","2","7","3","1") = "6"
    & skf21("2","6","4","4","2","7","4","1") = "6"
    & skf21("2","6","4","4","2","7","5","1") = "6"
    & skf21("2","6","4","4","2","7","6","1") = "6"
    & skf21("2","6","4","4","2","7","7","1") = "6"
    & skf21("2","6","4","4","3","1","1","1") = "5"
    & skf21("2","6","4","4","3","1","2","1") = "5"
    & skf21("2","6","4","4","3","1","3","1") = "5"
    & skf21("2","6","4","4","3","1","4","1") = "5"
    & skf21("2","6","4","4","3","1","5","1") = "5"
    & skf21("2","6","4","4","3","1","6","1") = "5"
    & skf21("2","6","4","4","3","1","7","1") = "6"
    & skf21("2","6","4","4","3","2","1","1") = "5"
    & skf21("2","6","4","4","3","2","2","1") = "5"
    & skf21("2","6","4","4","3","2","3","1") = "5"
    & skf21("2","6","4","4","3","2","4","1") = "5"
    & skf21("2","6","4","4","3","2","5","1") = "5"
    & skf21("2","6","4","4","3","2","6","1") = "5"
    & skf21("2","6","4","4","3","2","7","1") = "6"
    & skf21("2","6","4","4","3","3","1","1") = "5"
    & skf21("2","6","4","4","3","3","2","1") = "5"
    & skf21("2","6","4","4","3","3","3","1") = "5"
    & skf21("2","6","4","4","3","3","4","1") = "5"
    & skf21("2","6","4","4","3","3","5","1") = "5"
    & skf21("2","6","4","4","3","3","6","1") = "5"
    & skf21("2","6","4","4","3","3","7","1") = "6"
    & skf21("2","6","4","4","3","4","1","1") = "5"
    & skf21("2","6","4","4","3","4","2","1") = "5"
    & skf21("2","6","4","4","3","4","3","1") = "5"
    & skf21("2","6","4","4","3","4","4","1") = "5"
    & skf21("2","6","4","4","3","4","5","1") = "5"
    & skf21("2","6","4","4","3","4","6","1") = "5"
    & skf21("2","6","4","4","3","4","7","1") = "6"
    & skf21("2","6","4","4","3","5","1","1") = "5"
    & skf21("2","6","4","4","3","5","2","1") = "5"
    & skf21("2","6","4","4","3","5","3","1") = "5"
    & skf21("2","6","4","4","3","5","4","1") = "5"
    & skf21("2","6","4","4","3","5","5","1") = "5"
    & skf21("2","6","4","4","3","5","6","1") = "5"
    & skf21("2","6","4","4","3","5","7","1") = "6"
    & skf21("2","6","4","4","3","6","1","1") = "5"
    & skf21("2","6","4","4","3","6","2","1") = "5"
    & skf21("2","6","4","4","3","6","3","1") = "5"
    & skf21("2","6","4","4","3","6","4","1") = "5"
    & skf21("2","6","4","4","3","6","5","1") = "5"
    & skf21("2","6","4","4","3","6","6","1") = "5"
    & skf21("2","6","4","4","3","6","7","1") = "6"
    & skf21("2","6","4","4","3","7","1","1") = "6"
    & skf21("2","6","4","4","3","7","2","1") = "6"
    & skf21("2","6","4","4","3","7","3","1") = "6"
    & skf21("2","6","4","4","3","7","4","1") = "6"
    & skf21("2","6","4","4","3","7","5","1") = "6"
    & skf21("2","6","4","4","3","7","6","1") = "6"
    & skf21("2","6","4","4","3","7","7","1") = "6"
    & skf21("2","6","4","4","4","1","1","1") = "5"
    & skf21("2","6","4","4","4","1","2","1") = "5"
    & skf21("2","6","4","4","4","1","3","1") = "5"
    & skf21("2","6","4","4","4","1","4","1") = "5"
    & skf21("2","6","4","4","4","1","5","1") = "5"
    & skf21("2","6","4","4","4","1","6","1") = "5"
    & skf21("2","6","4","4","4","1","7","1") = "6"
    & skf21("2","6","4","4","4","2","1","1") = "5"
    & skf21("2","6","4","4","4","2","2","1") = "5"
    & skf21("2","6","4","4","4","2","3","1") = "5"
    & skf21("2","6","4","4","4","2","4","1") = "5"
    & skf21("2","6","4","4","4","2","5","1") = "5"
    & skf21("2","6","4","4","4","2","6","1") = "5"
    & skf21("2","6","4","4","4","2","7","1") = "6"
    & skf21("2","6","4","4","4","3","1","1") = "5"
    & skf21("2","6","4","4","4","3","2","1") = "5"
    & skf21("2","6","4","4","4","3","3","1") = "5"
    & skf21("2","6","4","4","4","3","4","1") = "5"
    & skf21("2","6","4","4","4","3","5","1") = "5"
    & skf21("2","6","4","4","4","3","6","1") = "5"
    & skf21("2","6","4","4","4","3","7","1") = "6"
    & skf21("2","6","4","4","4","4","1","1") = "5"
    & skf21("2","6","4","4","4","4","2","1") = "5"
    & skf21("2","6","4","4","4","4","3","1") = "5"
    & skf21("2","6","4","4","4","4","4","1") = "5"
    & skf21("2","6","4","4","4","4","5","1") = "5"
    & skf21("2","6","4","4","4","4","6","1") = "5"
    & skf21("2","6","4","4","4","4","7","1") = "6"
    & skf21("2","6","4","4","4","5","1","1") = "5"
    & skf21("2","6","4","4","4","5","2","1") = "5"
    & skf21("2","6","4","4","4","5","3","1") = "5"
    & skf21("2","6","4","4","4","5","4","1") = "5"
    & skf21("2","6","4","4","4","5","5","1") = "5"
    & skf21("2","6","4","4","4","5","6","1") = "5"
    & skf21("2","6","4","4","4","5","7","1") = "6"
    & skf21("2","6","4","4","4","6","1","1") = "5"
    & skf21("2","6","4","4","4","6","2","1") = "5"
    & skf21("2","6","4","4","4","6","3","1") = "5"
    & skf21("2","6","4","4","4","6","4","1") = "5"
    & skf21("2","6","4","4","4","6","5","1") = "5"
    & skf21("2","6","4","4","4","6","6","1") = "5"
    & skf21("2","6","4","4","4","6","7","1") = "6"
    & skf21("2","6","4","4","4","7","1","1") = "6"
    & skf21("2","6","4","4","4","7","2","1") = "6"
    & skf21("2","6","4","4","4","7","3","1") = "6"
    & skf21("2","6","4","4","4","7","4","1") = "6"
    & skf21("2","6","4","4","4","7","5","1") = "6"
    & skf21("2","6","4","4","4","7","6","1") = "6"
    & skf21("2","6","4","4","4","7","7","1") = "6"
    & skf21("2","6","4","4","5","1","1","1") = "5"
    & skf21("2","6","4","4","5","1","2","1") = "5"
    & skf21("2","6","4","4","5","1","3","1") = "5"
    & skf21("2","6","4","4","5","1","4","1") = "5"
    & skf21("2","6","4","4","5","1","5","1") = "5"
    & skf21("2","6","4","4","5","1","6","1") = "5"
    & skf21("2","6","4","4","5","1","7","1") = "6"
    & skf21("2","6","4","4","5","2","1","1") = "5"
    & skf21("2","6","4","4","5","2","2","1") = "5"
    & skf21("2","6","4","4","5","2","3","1") = "5"
    & skf21("2","6","4","4","5","2","4","1") = "5"
    & skf21("2","6","4","4","5","2","5","1") = "5"
    & skf21("2","6","4","4","5","2","6","1") = "5"
    & skf21("2","6","4","4","5","2","7","1") = "6"
    & skf21("2","6","4","4","5","3","1","1") = "5"
    & skf21("2","6","4","4","5","3","2","1") = "5"
    & skf21("2","6","4","4","5","3","3","1") = "5"
    & skf21("2","6","4","4","5","3","4","1") = "5"
    & skf21("2","6","4","4","5","3","5","1") = "5"
    & skf21("2","6","4","4","5","3","6","1") = "5"
    & skf21("2","6","4","4","5","3","7","1") = "6"
    & skf21("2","6","4","4","5","4","1","1") = "5"
    & skf21("2","6","4","4","5","4","2","1") = "5"
    & skf21("2","6","4","4","5","4","3","1") = "5"
    & skf21("2","6","4","4","5","4","4","1") = "5"
    & skf21("2","6","4","4","5","4","5","1") = "5"
    & skf21("2","6","4","4","5","4","6","1") = "5"
    & skf21("2","6","4","4","5","4","7","1") = "6"
    & skf21("2","6","4","4","5","5","1","1") = "5"
    & skf21("2","6","4","4","5","5","2","1") = "5"
    & skf21("2","6","4","4","5","5","3","1") = "5"
    & skf21("2","6","4","4","5","5","4","1") = "5"
    & skf21("2","6","4","4","5","5","5","1") = "5"
    & skf21("2","6","4","4","5","5","6","1") = "5"
    & skf21("2","6","4","4","5","5","7","1") = "6"
    & skf21("2","6","4","4","5","6","1","1") = "5"
    & skf21("2","6","4","4","5","6","2","1") = "5"
    & skf21("2","6","4","4","5","6","3","1") = "5"
    & skf21("2","6","4","4","5","6","4","1") = "5"
    & skf21("2","6","4","4","5","6","5","1") = "5"
    & skf21("2","6","4","4","5","6","6","1") = "5"
    & skf21("2","6","4","4","5","6","7","1") = "6"
    & skf21("2","6","4","4","5","7","1","1") = "6"
    & skf21("2","6","4","4","5","7","2","1") = "6"
    & skf21("2","6","4","4","5","7","3","1") = "6"
    & skf21("2","6","4","4","5","7","4","1") = "6"
    & skf21("2","6","4","4","5","7","5","1") = "6"
    & skf21("2","6","4","4","5","7","6","1") = "6"
    & skf21("2","6","4","4","5","7","7","1") = "6"
    & skf21("2","6","4","4","6","1","1","1") = "5"
    & skf21("2","6","4","4","6","1","2","1") = "5"
    & skf21("2","6","4","4","6","1","3","1") = "5"
    & skf21("2","6","4","4","6","1","4","1") = "5"
    & skf21("2","6","4","4","6","1","5","1") = "5"
    & skf21("2","6","4","4","6","1","6","1") = "5"
    & skf21("2","6","4","4","6","1","7","1") = "6"
    & skf21("2","6","4","4","6","2","1","1") = "5"
    & skf21("2","6","4","4","6","2","2","1") = "5"
    & skf21("2","6","4","4","6","2","3","1") = "5"
    & skf21("2","6","4","4","6","2","4","1") = "5"
    & skf21("2","6","4","4","6","2","5","1") = "5"
    & skf21("2","6","4","4","6","2","6","1") = "5"
    & skf21("2","6","4","4","6","2","7","1") = "6"
    & skf21("2","6","4","4","6","3","1","1") = "5"
    & skf21("2","6","4","4","6","3","2","1") = "5"
    & skf21("2","6","4","4","6","3","3","1") = "5"
    & skf21("2","6","4","4","6","3","4","1") = "5"
    & skf21("2","6","4","4","6","3","5","1") = "5"
    & skf21("2","6","4","4","6","3","6","1") = "5"
    & skf21("2","6","4","4","6","3","7","1") = "6"
    & skf21("2","6","4","4","6","4","1","1") = "5"
    & skf21("2","6","4","4","6","4","2","1") = "5"
    & skf21("2","6","4","4","6","4","3","1") = "5"
    & skf21("2","6","4","4","6","4","4","1") = "5"
    & skf21("2","6","4","4","6","4","5","1") = "5"
    & skf21("2","6","4","4","6","4","6","1") = "5"
    & skf21("2","6","4","4","6","4","7","1") = "6"
    & skf21("2","6","4","4","6","5","1","1") = "5"
    & skf21("2","6","4","4","6","5","2","1") = "5"
    & skf21("2","6","4","4","6","5","3","1") = "5"
    & skf21("2","6","4","4","6","5","4","1") = "5"
    & skf21("2","6","4","4","6","5","5","1") = "5"
    & skf21("2","6","4","4","6","5","6","1") = "5"
    & skf21("2","6","4","4","6","5","7","1") = "6"
    & skf21("2","6","4","4","6","6","1","1") = "5"
    & skf21("2","6","4","4","6","6","2","1") = "5"
    & skf21("2","6","4","4","6","6","3","1") = "5"
    & skf21("2","6","4","4","6","6","4","1") = "5"
    & skf21("2","6","4","4","6","6","5","1") = "5"
    & skf21("2","6","4","4","6","6","6","1") = "5"
    & skf21("2","6","4","4","6","6","7","1") = "6"
    & skf21("2","6","4","4","6","7","1","1") = "6"
    & skf21("2","6","4","4","6","7","2","1") = "6"
    & skf21("2","6","4","4","6","7","3","1") = "6"
    & skf21("2","6","4","4","6","7","4","1") = "6"
    & skf21("2","6","4","4","6","7","5","1") = "6"
    & skf21("2","6","4","4","6","7","6","1") = "6"
    & skf21("2","6","4","4","6","7","7","1") = "6"
    & skf21("2","6","4","4","7","1","1","1") = "6"
    & skf21("2","6","4","4","7","1","2","1") = "6"
    & skf21("2","6","4","4","7","1","3","1") = "6"
    & skf21("2","6","4","4","7","1","4","1") = "6"
    & skf21("2","6","4","4","7","1","5","1") = "6"
    & skf21("2","6","4","4","7","1","6","1") = "6"
    & skf21("2","6","4","4","7","1","7","1") = "6"
    & skf21("2","6","4","4","7","2","1","1") = "6"
    & skf21("2","6","4","4","7","2","2","1") = "6"
    & skf21("2","6","4","4","7","2","3","1") = "6"
    & skf21("2","6","4","4","7","2","4","1") = "6"
    & skf21("2","6","4","4","7","2","5","1") = "6"
    & skf21("2","6","4","4","7","2","6","1") = "6"
    & skf21("2","6","4","4","7","2","7","1") = "6"
    & skf21("2","6","4","4","7","3","1","1") = "6"
    & skf21("2","6","4","4","7","3","2","1") = "6"
    & skf21("2","6","4","4","7","3","3","1") = "6"
    & skf21("2","6","4","4","7","3","4","1") = "6"
    & skf21("2","6","4","4","7","3","5","1") = "6"
    & skf21("2","6","4","4","7","3","6","1") = "6"
    & skf21("2","6","4","4","7","3","7","1") = "6"
    & skf21("2","6","4","4","7","4","1","1") = "6"
    & skf21("2","6","4","4","7","4","2","1") = "6"
    & skf21("2","6","4","4","7","4","3","1") = "6"
    & skf21("2","6","4","4","7","4","4","1") = "6"
    & skf21("2","6","4","4","7","4","5","1") = "6"
    & skf21("2","6","4","4","7","4","6","1") = "6"
    & skf21("2","6","4","4","7","4","7","1") = "6"
    & skf21("2","6","4","4","7","5","1","1") = "6"
    & skf21("2","6","4","4","7","5","2","1") = "6"
    & skf21("2","6","4","4","7","5","3","1") = "6"
    & skf21("2","6","4","4","7","5","4","1") = "6"
    & skf21("2","6","4","4","7","5","5","1") = "6"
    & skf21("2","6","4","4","7","5","6","1") = "6"
    & skf21("2","6","4","4","7","5","7","1") = "6"
    & skf21("2","6","4","4","7","6","1","1") = "6"
    & skf21("2","6","4","4","7","6","2","1") = "6"
    & skf21("2","6","4","4","7","6","3","1") = "6"
    & skf21("2","6","4","4","7","6","4","1") = "6"
    & skf21("2","6","4","4","7","6","5","1") = "6"
    & skf21("2","6","4","4","7","6","6","1") = "6"
    & skf21("2","6","4","4","7","6","7","1") = "6"
    & skf21("2","6","4","4","7","7","1","1") = "6"
    & skf21("2","6","4","4","7","7","2","1") = "6"
    & skf21("2","6","4","4","7","7","3","1") = "6"
    & skf21("2","6","4","4","7","7","4","1") = "6"
    & skf21("2","6","4","4","7","7","5","1") = "6"
    & skf21("2","6","4","4","7","7","6","1") = "6"
    & skf21("2","6","4","4","7","7","7","1") = "6"
    & skf21("2","6","4","5","1","1","1","1") = "5"
    & skf21("2","6","4","5","1","1","2","1") = "5"
    & skf21("2","6","4","5","1","1","3","1") = "5"
    & skf21("2","6","4","5","1","1","4","1") = "5"
    & skf21("2","6","4","5","1","1","5","1") = "5"
    & skf21("2","6","4","5","1","1","6","1") = "5"
    & skf21("2","6","4","5","1","1","7","1") = "6"
    & skf21("2","6","4","5","1","2","1","1") = "5"
    & skf21("2","6","4","5","1","2","2","1") = "5"
    & skf21("2","6","4","5","1","2","3","1") = "5"
    & skf21("2","6","4","5","1","2","4","1") = "5"
    & skf21("2","6","4","5","1","2","5","1") = "5"
    & skf21("2","6","4","5","1","2","6","1") = "5"
    & skf21("2","6","4","5","1","2","7","1") = "6"
    & skf21("2","6","4","5","1","3","1","1") = "5"
    & skf21("2","6","4","5","1","3","2","1") = "5"
    & skf21("2","6","4","5","1","3","3","1") = "5"
    & skf21("2","6","4","5","1","3","4","1") = "5"
    & skf21("2","6","4","5","1","3","5","1") = "5"
    & skf21("2","6","4","5","1","3","6","1") = "5"
    & skf21("2","6","4","5","1","3","7","1") = "6"
    & skf21("2","6","4","5","1","4","1","1") = "5"
    & skf21("2","6","4","5","1","4","2","1") = "5"
    & skf21("2","6","4","5","1","4","3","1") = "5"
    & skf21("2","6","4","5","1","4","4","1") = "5"
    & skf21("2","6","4","5","1","4","5","1") = "5"
    & skf21("2","6","4","5","1","4","6","1") = "5"
    & skf21("2","6","4","5","1","4","7","1") = "6"
    & skf21("2","6","4","5","1","5","1","1") = "5"
    & skf21("2","6","4","5","1","5","2","1") = "5"
    & skf21("2","6","4","5","1","5","3","1") = "5"
    & skf21("2","6","4","5","1","5","4","1") = "5"
    & skf21("2","6","4","5","1","5","5","1") = "5"
    & skf21("2","6","4","5","1","5","6","1") = "5"
    & skf21("2","6","4","5","1","5","7","1") = "6"
    & skf21("2","6","4","5","1","6","1","1") = "5"
    & skf21("2","6","4","5","1","6","2","1") = "5"
    & skf21("2","6","4","5","1","6","3","1") = "5"
    & skf21("2","6","4","5","1","6","4","1") = "5"
    & skf21("2","6","4","5","1","6","5","1") = "5"
    & skf21("2","6","4","5","1","6","6","1") = "5"
    & skf21("2","6","4","5","1","6","7","1") = "6"
    & skf21("2","6","4","5","1","7","1","1") = "6"
    & skf21("2","6","4","5","1","7","2","1") = "6"
    & skf21("2","6","4","5","1","7","3","1") = "6"
    & skf21("2","6","4","5","1","7","4","1") = "6"
    & skf21("2","6","4","5","1","7","5","1") = "6"
    & skf21("2","6","4","5","1","7","6","1") = "6"
    & skf21("2","6","4","5","1","7","7","1") = "6"
    & skf21("2","6","4","5","2","1","1","1") = "5"
    & skf21("2","6","4","5","2","1","2","1") = "5"
    & skf21("2","6","4","5","2","1","3","1") = "5"
    & skf21("2","6","4","5","2","1","4","1") = "5"
    & skf21("2","6","4","5","2","1","5","1") = "5"
    & skf21("2","6","4","5","2","1","6","1") = "5"
    & skf21("2","6","4","5","2","1","7","1") = "6"
    & skf21("2","6","4","5","2","2","1","1") = "5"
    & skf21("2","6","4","5","2","2","2","1") = "5"
    & skf21("2","6","4","5","2","2","3","1") = "5"
    & skf21("2","6","4","5","2","2","4","1") = "5"
    & skf21("2","6","4","5","2","2","5","1") = "5"
    & skf21("2","6","4","5","2","2","6","1") = "5"
    & skf21("2","6","4","5","2","2","7","1") = "6"
    & skf21("2","6","4","5","2","3","1","1") = "5"
    & skf21("2","6","4","5","2","3","2","1") = "5"
    & skf21("2","6","4","5","2","3","3","1") = "5"
    & skf21("2","6","4","5","2","3","4","1") = "5"
    & skf21("2","6","4","5","2","3","5","1") = "5"
    & skf21("2","6","4","5","2","3","6","1") = "5"
    & skf21("2","6","4","5","2","3","7","1") = "6"
    & skf21("2","6","4","5","2","4","1","1") = "5"
    & skf21("2","6","4","5","2","4","2","1") = "5"
    & skf21("2","6","4","5","2","4","3","1") = "5"
    & skf21("2","6","4","5","2","4","4","1") = "5"
    & skf21("2","6","4","5","2","4","5","1") = "5"
    & skf21("2","6","4","5","2","4","6","1") = "5"
    & skf21("2","6","4","5","2","4","7","1") = "6"
    & skf21("2","6","4","5","2","5","1","1") = "5"
    & skf21("2","6","4","5","2","5","2","1") = "5"
    & skf21("2","6","4","5","2","5","3","1") = "5"
    & skf21("2","6","4","5","2","5","4","1") = "5"
    & skf21("2","6","4","5","2","5","5","1") = "5"
    & skf21("2","6","4","5","2","5","6","1") = "5"
    & skf21("2","6","4","5","2","5","7","1") = "6"
    & skf21("2","6","4","5","2","6","1","1") = "5"
    & skf21("2","6","4","5","2","6","2","1") = "5"
    & skf21("2","6","4","5","2","6","3","1") = "5"
    & skf21("2","6","4","5","2","6","4","1") = "5"
    & skf21("2","6","4","5","2","6","5","1") = "5"
    & skf21("2","6","4","5","2","6","6","1") = "5"
    & skf21("2","6","4","5","2","6","7","1") = "6"
    & skf21("2","6","4","5","2","7","1","1") = "6"
    & skf21("2","6","4","5","2","7","2","1") = "6"
    & skf21("2","6","4","5","2","7","3","1") = "6"
    & skf21("2","6","4","5","2","7","4","1") = "6"
    & skf21("2","6","4","5","2","7","5","1") = "6"
    & skf21("2","6","4","5","2","7","6","1") = "6"
    & skf21("2","6","4","5","2","7","7","1") = "6"
    & skf21("2","6","4","5","3","1","1","1") = "5"
    & skf21("2","6","4","5","3","1","2","1") = "5"
    & skf21("2","6","4","5","3","1","3","1") = "5"
    & skf21("2","6","4","5","3","1","4","1") = "5"
    & skf21("2","6","4","5","3","1","5","1") = "5"
    & skf21("2","6","4","5","3","1","6","1") = "5"
    & skf21("2","6","4","5","3","1","7","1") = "6"
    & skf21("2","6","4","5","3","2","1","1") = "5"
    & skf21("2","6","4","5","3","2","2","1") = "5"
    & skf21("2","6","4","5","3","2","3","1") = "5"
    & skf21("2","6","4","5","3","2","4","1") = "5"
    & skf21("2","6","4","5","3","2","5","1") = "5"
    & skf21("2","6","4","5","3","2","6","1") = "5"
    & skf21("2","6","4","5","3","2","7","1") = "6"
    & skf21("2","6","4","5","3","3","1","1") = "5"
    & skf21("2","6","4","5","3","3","2","1") = "5"
    & skf21("2","6","4","5","3","3","3","1") = "5"
    & skf21("2","6","4","5","3","3","4","1") = "5"
    & skf21("2","6","4","5","3","3","5","1") = "5"
    & skf21("2","6","4","5","3","3","6","1") = "5"
    & skf21("2","6","4","5","3","3","7","1") = "6"
    & skf21("2","6","4","5","3","4","1","1") = "5"
    & skf21("2","6","4","5","3","4","2","1") = "5"
    & skf21("2","6","4","5","3","4","3","1") = "5"
    & skf21("2","6","4","5","3","4","4","1") = "5"
    & skf21("2","6","4","5","3","4","5","1") = "5"
    & skf21("2","6","4","5","3","4","6","1") = "5"
    & skf21("2","6","4","5","3","4","7","1") = "6"
    & skf21("2","6","4","5","3","5","1","1") = "5"
    & skf21("2","6","4","5","3","5","2","1") = "5"
    & skf21("2","6","4","5","3","5","3","1") = "5"
    & skf21("2","6","4","5","3","5","4","1") = "5"
    & skf21("2","6","4","5","3","5","5","1") = "5"
    & skf21("2","6","4","5","3","5","6","1") = "5"
    & skf21("2","6","4","5","3","5","7","1") = "6"
    & skf21("2","6","4","5","3","6","1","1") = "5"
    & skf21("2","6","4","5","3","6","2","1") = "5"
    & skf21("2","6","4","5","3","6","3","1") = "5"
    & skf21("2","6","4","5","3","6","4","1") = "5"
    & skf21("2","6","4","5","3","6","5","1") = "5"
    & skf21("2","6","4","5","3","6","6","1") = "5"
    & skf21("2","6","4","5","3","6","7","1") = "6"
    & skf21("2","6","4","5","3","7","1","1") = "6"
    & skf21("2","6","4","5","3","7","2","1") = "6"
    & skf21("2","6","4","5","3","7","3","1") = "6"
    & skf21("2","6","4","5","3","7","4","1") = "6"
    & skf21("2","6","4","5","3","7","5","1") = "6"
    & skf21("2","6","4","5","3","7","6","1") = "6"
    & skf21("2","6","4","5","3","7","7","1") = "6"
    & skf21("2","6","4","5","4","1","1","1") = "5"
    & skf21("2","6","4","5","4","1","2","1") = "5"
    & skf21("2","6","4","5","4","1","3","1") = "5"
    & skf21("2","6","4","5","4","1","4","1") = "5"
    & skf21("2","6","4","5","4","1","5","1") = "5"
    & skf21("2","6","4","5","4","1","6","1") = "5"
    & skf21("2","6","4","5","4","1","7","1") = "6"
    & skf21("2","6","4","5","4","2","1","1") = "5"
    & skf21("2","6","4","5","4","2","2","1") = "5"
    & skf21("2","6","4","5","4","2","3","1") = "5"
    & skf21("2","6","4","5","4","2","4","1") = "5"
    & skf21("2","6","4","5","4","2","5","1") = "5"
    & skf21("2","6","4","5","4","2","6","1") = "5"
    & skf21("2","6","4","5","4","2","7","1") = "6"
    & skf21("2","6","4","5","4","3","1","1") = "5"
    & skf21("2","6","4","5","4","3","2","1") = "5"
    & skf21("2","6","4","5","4","3","3","1") = "5"
    & skf21("2","6","4","5","4","3","4","1") = "5"
    & skf21("2","6","4","5","4","3","5","1") = "5"
    & skf21("2","6","4","5","4","3","6","1") = "5"
    & skf21("2","6","4","5","4","3","7","1") = "6"
    & skf21("2","6","4","5","4","4","1","1") = "5"
    & skf21("2","6","4","5","4","4","2","1") = "5"
    & skf21("2","6","4","5","4","4","3","1") = "5"
    & skf21("2","6","4","5","4","4","4","1") = "5"
    & skf21("2","6","4","5","4","4","5","1") = "5"
    & skf21("2","6","4","5","4","4","6","1") = "5"
    & skf21("2","6","4","5","4","4","7","1") = "6"
    & skf21("2","6","4","5","4","5","1","1") = "5"
    & skf21("2","6","4","5","4","5","2","1") = "5"
    & skf21("2","6","4","5","4","5","3","1") = "5"
    & skf21("2","6","4","5","4","5","4","1") = "5"
    & skf21("2","6","4","5","4","5","5","1") = "5"
    & skf21("2","6","4","5","4","5","6","1") = "5"
    & skf21("2","6","4","5","4","5","7","1") = "6"
    & skf21("2","6","4","5","4","6","1","1") = "5"
    & skf21("2","6","4","5","4","6","2","1") = "5"
    & skf21("2","6","4","5","4","6","3","1") = "5"
    & skf21("2","6","4","5","4","6","4","1") = "5"
    & skf21("2","6","4","5","4","6","5","1") = "5"
    & skf21("2","6","4","5","4","6","6","1") = "5"
    & skf21("2","6","4","5","4","6","7","1") = "6"
    & skf21("2","6","4","5","4","7","1","1") = "6"
    & skf21("2","6","4","5","4","7","2","1") = "6"
    & skf21("2","6","4","5","4","7","3","1") = "6"
    & skf21("2","6","4","5","4","7","4","1") = "6"
    & skf21("2","6","4","5","4","7","5","1") = "6"
    & skf21("2","6","4","5","4","7","6","1") = "6"
    & skf21("2","6","4","5","4","7","7","1") = "6"
    & skf21("2","6","4","5","5","1","1","1") = "5"
    & skf21("2","6","4","5","5","1","2","1") = "5"
    & skf21("2","6","4","5","5","1","3","1") = "5"
    & skf21("2","6","4","5","5","1","4","1") = "5"
    & skf21("2","6","4","5","5","1","5","1") = "5"
    & skf21("2","6","4","5","5","1","6","1") = "5"
    & skf21("2","6","4","5","5","1","7","1") = "6"
    & skf21("2","6","4","5","5","2","1","1") = "5"
    & skf21("2","6","4","5","5","2","2","1") = "5"
    & skf21("2","6","4","5","5","2","3","1") = "5"
    & skf21("2","6","4","5","5","2","4","1") = "5"
    & skf21("2","6","4","5","5","2","5","1") = "5"
    & skf21("2","6","4","5","5","2","6","1") = "5"
    & skf21("2","6","4","5","5","2","7","1") = "6"
    & skf21("2","6","4","5","5","3","1","1") = "5"
    & skf21("2","6","4","5","5","3","2","1") = "5"
    & skf21("2","6","4","5","5","3","3","1") = "5"
    & skf21("2","6","4","5","5","3","4","1") = "5"
    & skf21("2","6","4","5","5","3","5","1") = "5"
    & skf21("2","6","4","5","5","3","6","1") = "5"
    & skf21("2","6","4","5","5","3","7","1") = "6"
    & skf21("2","6","4","5","5","4","1","1") = "5"
    & skf21("2","6","4","5","5","4","2","1") = "5"
    & skf21("2","6","4","5","5","4","3","1") = "5"
    & skf21("2","6","4","5","5","4","4","1") = "5"
    & skf21("2","6","4","5","5","4","5","1") = "5"
    & skf21("2","6","4","5","5","4","6","1") = "5"
    & skf21("2","6","4","5","5","4","7","1") = "6"
    & skf21("2","6","4","5","5","5","1","1") = "5"
    & skf21("2","6","4","5","5","5","2","1") = "5"
    & skf21("2","6","4","5","5","5","3","1") = "5"
    & skf21("2","6","4","5","5","5","4","1") = "5"
    & skf21("2","6","4","5","5","5","5","1") = "5"
    & skf21("2","6","4","5","5","5","6","1") = "5"
    & skf21("2","6","4","5","5","5","7","1") = "6"
    & skf21("2","6","4","5","5","6","1","1") = "5"
    & skf21("2","6","4","5","5","6","2","1") = "5"
    & skf21("2","6","4","5","5","6","3","1") = "5"
    & skf21("2","6","4","5","5","6","4","1") = "5"
    & skf21("2","6","4","5","5","6","5","1") = "5"
    & skf21("2","6","4","5","5","6","6","1") = "5"
    & skf21("2","6","4","5","5","6","7","1") = "6"
    & skf21("2","6","4","5","5","7","1","1") = "6"
    & skf21("2","6","4","5","5","7","2","1") = "6"
    & skf21("2","6","4","5","5","7","3","1") = "6"
    & skf21("2","6","4","5","5","7","4","1") = "6"
    & skf21("2","6","4","5","5","7","5","1") = "6"
    & skf21("2","6","4","5","5","7","6","1") = "6"
    & skf21("2","6","4","5","5","7","7","1") = "6"
    & skf21("2","6","4","5","6","1","1","1") = "5"
    & skf21("2","6","4","5","6","1","2","1") = "5"
    & skf21("2","6","4","5","6","1","3","1") = "5"
    & skf21("2","6","4","5","6","1","4","1") = "5"
    & skf21("2","6","4","5","6","1","5","1") = "5"
    & skf21("2","6","4","5","6","1","6","1") = "5"
    & skf21("2","6","4","5","6","1","7","1") = "6"
    & skf21("2","6","4","5","6","2","1","1") = "5"
    & skf21("2","6","4","5","6","2","2","1") = "5"
    & skf21("2","6","4","5","6","2","3","1") = "5"
    & skf21("2","6","4","5","6","2","4","1") = "5"
    & skf21("2","6","4","5","6","2","5","1") = "5"
    & skf21("2","6","4","5","6","2","6","1") = "5"
    & skf21("2","6","4","5","6","2","7","1") = "6"
    & skf21("2","6","4","5","6","3","1","1") = "5"
    & skf21("2","6","4","5","6","3","2","1") = "5"
    & skf21("2","6","4","5","6","3","3","1") = "5"
    & skf21("2","6","4","5","6","3","4","1") = "5"
    & skf21("2","6","4","5","6","3","5","1") = "5"
    & skf21("2","6","4","5","6","3","6","1") = "5"
    & skf21("2","6","4","5","6","3","7","1") = "6"
    & skf21("2","6","4","5","6","4","1","1") = "5"
    & skf21("2","6","4","5","6","4","2","1") = "5"
    & skf21("2","6","4","5","6","4","3","1") = "5"
    & skf21("2","6","4","5","6","4","4","1") = "5"
    & skf21("2","6","4","5","6","4","5","1") = "5"
    & skf21("2","6","4","5","6","4","6","1") = "5"
    & skf21("2","6","4","5","6","4","7","1") = "6"
    & skf21("2","6","4","5","6","5","1","1") = "5"
    & skf21("2","6","4","5","6","5","2","1") = "5"
    & skf21("2","6","4","5","6","5","3","1") = "5"
    & skf21("2","6","4","5","6","5","4","1") = "5"
    & skf21("2","6","4","5","6","5","5","1") = "5"
    & skf21("2","6","4","5","6","5","6","1") = "5"
    & skf21("2","6","4","5","6","5","7","1") = "6"
    & skf21("2","6","4","5","6","6","1","1") = "5"
    & skf21("2","6","4","5","6","6","2","1") = "5"
    & skf21("2","6","4","5","6","6","3","1") = "5"
    & skf21("2","6","4","5","6","6","4","1") = "5"
    & skf21("2","6","4","5","6","6","5","1") = "5"
    & skf21("2","6","4","5","6","6","6","1") = "5"
    & skf21("2","6","4","5","6","6","7","1") = "6"
    & skf21("2","6","4","5","6","7","1","1") = "6"
    & skf21("2","6","4","5","6","7","2","1") = "6"
    & skf21("2","6","4","5","6","7","3","1") = "6"
    & skf21("2","6","4","5","6","7","4","1") = "6"
    & skf21("2","6","4","5","6","7","5","1") = "6"
    & skf21("2","6","4","5","6","7","6","1") = "6"
    & skf21("2","6","4","5","6","7","7","1") = "6"
    & skf21("2","6","4","5","7","1","1","1") = "6"
    & skf21("2","6","4","5","7","1","2","1") = "6"
    & skf21("2","6","4","5","7","1","3","1") = "6"
    & skf21("2","6","4","5","7","1","4","1") = "6"
    & skf21("2","6","4","5","7","1","5","1") = "6"
    & skf21("2","6","4","5","7","1","6","1") = "6"
    & skf21("2","6","4","5","7","1","7","1") = "6"
    & skf21("2","6","4","5","7","2","1","1") = "6"
    & skf21("2","6","4","5","7","2","2","1") = "6"
    & skf21("2","6","4","5","7","2","3","1") = "6"
    & skf21("2","6","4","5","7","2","4","1") = "6"
    & skf21("2","6","4","5","7","2","5","1") = "6"
    & skf21("2","6","4","5","7","2","6","1") = "6"
    & skf21("2","6","4","5","7","2","7","1") = "6"
    & skf21("2","6","4","5","7","3","1","1") = "6"
    & skf21("2","6","4","5","7","3","2","1") = "6"
    & skf21("2","6","4","5","7","3","3","1") = "6"
    & skf21("2","6","4","5","7","3","4","1") = "6"
    & skf21("2","6","4","5","7","3","5","1") = "6"
    & skf21("2","6","4","5","7","3","6","1") = "6"
    & skf21("2","6","4","5","7","3","7","1") = "6"
    & skf21("2","6","4","5","7","4","1","1") = "6"
    & skf21("2","6","4","5","7","4","2","1") = "6"
    & skf21("2","6","4","5","7","4","3","1") = "6"
    & skf21("2","6","4","5","7","4","4","1") = "6"
    & skf21("2","6","4","5","7","4","5","1") = "6"
    & skf21("2","6","4","5","7","4","6","1") = "6"
    & skf21("2","6","4","5","7","4","7","1") = "6"
    & skf21("2","6","4","5","7","5","1","1") = "6"
    & skf21("2","6","4","5","7","5","2","1") = "6"
    & skf21("2","6","4","5","7","5","3","1") = "6"
    & skf21("2","6","4","5","7","5","4","1") = "6"
    & skf21("2","6","4","5","7","5","5","1") = "6"
    & skf21("2","6","4","5","7","5","6","1") = "6"
    & skf21("2","6","4","5","7","5","7","1") = "6"
    & skf21("2","6","4","5","7","6","1","1") = "6"
    & skf21("2","6","4","5","7","6","2","1") = "6"
    & skf21("2","6","4","5","7","6","3","1") = "6"
    & skf21("2","6","4","5","7","6","4","1") = "6"
    & skf21("2","6","4","5","7","6","5","1") = "6"
    & skf21("2","6","4","5","7","6","6","1") = "6"
    & skf21("2","6","4","5","7","6","7","1") = "6"
    & skf21("2","6","4","5","7","7","1","1") = "6"
    & skf21("2","6","4","5","7","7","2","1") = "6"
    & skf21("2","6","4","5","7","7","3","1") = "6"
    & skf21("2","6","4","5","7","7","4","1") = "6"
    & skf21("2","6","4","5","7","7","5","1") = "6"
    & skf21("2","6","4","5","7","7","6","1") = "6"
    & skf21("2","6","4","5","7","7","7","1") = "6"
    & skf21("2","6","4","6","1","1","1","1") = "5"
    & skf21("2","6","4","6","1","1","2","1") = "5"
    & skf21("2","6","4","6","1","1","3","1") = "5"
    & skf21("2","6","4","6","1","1","4","1") = "5"
    & skf21("2","6","4","6","1","1","5","1") = "5"
    & skf21("2","6","4","6","1","1","6","1") = "5"
    & skf21("2","6","4","6","1","1","7","1") = "6"
    & skf21("2","6","4","6","1","2","1","1") = "5"
    & skf21("2","6","4","6","1","2","2","1") = "5"
    & skf21("2","6","4","6","1","2","3","1") = "5"
    & skf21("2","6","4","6","1","2","4","1") = "5"
    & skf21("2","6","4","6","1","2","5","1") = "5"
    & skf21("2","6","4","6","1","2","6","1") = "5"
    & skf21("2","6","4","6","1","2","7","1") = "6"
    & skf21("2","6","4","6","1","3","1","1") = "5"
    & skf21("2","6","4","6","1","3","2","1") = "5"
    & skf21("2","6","4","6","1","3","3","1") = "5"
    & skf21("2","6","4","6","1","3","4","1") = "5"
    & skf21("2","6","4","6","1","3","5","1") = "5"
    & skf21("2","6","4","6","1","3","6","1") = "5"
    & skf21("2","6","4","6","1","3","7","1") = "6"
    & skf21("2","6","4","6","1","4","1","1") = "5"
    & skf21("2","6","4","6","1","4","2","1") = "5"
    & skf21("2","6","4","6","1","4","3","1") = "5"
    & skf21("2","6","4","6","1","4","4","1") = "5"
    & skf21("2","6","4","6","1","4","5","1") = "5"
    & skf21("2","6","4","6","1","4","6","1") = "5"
    & skf21("2","6","4","6","1","4","7","1") = "6"
    & skf21("2","6","4","6","1","5","1","1") = "5"
    & skf21("2","6","4","6","1","5","2","1") = "5"
    & skf21("2","6","4","6","1","5","3","1") = "5"
    & skf21("2","6","4","6","1","5","4","1") = "5"
    & skf21("2","6","4","6","1","5","5","1") = "5"
    & skf21("2","6","4","6","1","5","6","1") = "5"
    & skf21("2","6","4","6","1","5","7","1") = "6"
    & skf21("2","6","4","6","1","6","1","1") = "5"
    & skf21("2","6","4","6","1","6","2","1") = "5"
    & skf21("2","6","4","6","1","6","3","1") = "5"
    & skf21("2","6","4","6","1","6","4","1") = "5"
    & skf21("2","6","4","6","1","6","5","1") = "5"
    & skf21("2","6","4","6","1","6","6","1") = "5"
    & skf21("2","6","4","6","1","6","7","1") = "6"
    & skf21("2","6","4","6","1","7","1","1") = "6"
    & skf21("2","6","4","6","1","7","2","1") = "6"
    & skf21("2","6","4","6","1","7","3","1") = "6"
    & skf21("2","6","4","6","1","7","4","1") = "6"
    & skf21("2","6","4","6","1","7","5","1") = "6"
    & skf21("2","6","4","6","1","7","6","1") = "6"
    & skf21("2","6","4","6","1","7","7","1") = "6"
    & skf21("2","6","4","6","2","1","1","1") = "5"
    & skf21("2","6","4","6","2","1","2","1") = "5"
    & skf21("2","6","4","6","2","1","3","1") = "5"
    & skf21("2","6","4","6","2","1","4","1") = "5"
    & skf21("2","6","4","6","2","1","5","1") = "5"
    & skf21("2","6","4","6","2","1","6","1") = "5"
    & skf21("2","6","4","6","2","1","7","1") = "6"
    & skf21("2","6","4","6","2","2","1","1") = "5"
    & skf21("2","6","4","6","2","2","2","1") = "5"
    & skf21("2","6","4","6","2","2","3","1") = "5"
    & skf21("2","6","4","6","2","2","4","1") = "5"
    & skf21("2","6","4","6","2","2","5","1") = "5"
    & skf21("2","6","4","6","2","2","6","1") = "5"
    & skf21("2","6","4","6","2","2","7","1") = "6"
    & skf21("2","6","4","6","2","3","1","1") = "5"
    & skf21("2","6","4","6","2","3","2","1") = "5"
    & skf21("2","6","4","6","2","3","3","1") = "5"
    & skf21("2","6","4","6","2","3","4","1") = "5"
    & skf21("2","6","4","6","2","3","5","1") = "5"
    & skf21("2","6","4","6","2","3","6","1") = "5"
    & skf21("2","6","4","6","2","3","7","1") = "6"
    & skf21("2","6","4","6","2","4","1","1") = "5"
    & skf21("2","6","4","6","2","4","2","1") = "5"
    & skf21("2","6","4","6","2","4","3","1") = "5"
    & skf21("2","6","4","6","2","4","4","1") = "5"
    & skf21("2","6","4","6","2","4","5","1") = "5"
    & skf21("2","6","4","6","2","4","6","1") = "5"
    & skf21("2","6","4","6","2","4","7","1") = "6"
    & skf21("2","6","4","6","2","5","1","1") = "5"
    & skf21("2","6","4","6","2","5","2","1") = "5"
    & skf21("2","6","4","6","2","5","3","1") = "5"
    & skf21("2","6","4","6","2","5","4","1") = "5"
    & skf21("2","6","4","6","2","5","5","1") = "5"
    & skf21("2","6","4","6","2","5","6","1") = "5"
    & skf21("2","6","4","6","2","5","7","1") = "6"
    & skf21("2","6","4","6","2","6","1","1") = "5"
    & skf21("2","6","4","6","2","6","2","1") = "5"
    & skf21("2","6","4","6","2","6","3","1") = "5"
    & skf21("2","6","4","6","2","6","4","1") = "5"
    & skf21("2","6","4","6","2","6","5","1") = "5"
    & skf21("2","6","4","6","2","6","6","1") = "5"
    & skf21("2","6","4","6","2","6","7","1") = "6"
    & skf21("2","6","4","6","2","7","1","1") = "6"
    & skf21("2","6","4","6","2","7","2","1") = "6"
    & skf21("2","6","4","6","2","7","3","1") = "6"
    & skf21("2","6","4","6","2","7","4","1") = "6"
    & skf21("2","6","4","6","2","7","5","1") = "6"
    & skf21("2","6","4","6","2","7","6","1") = "6"
    & skf21("2","6","4","6","2","7","7","1") = "6"
    & skf21("2","6","4","6","3","1","1","1") = "5"
    & skf21("2","6","4","6","3","1","2","1") = "5"
    & skf21("2","6","4","6","3","1","3","1") = "5"
    & skf21("2","6","4","6","3","1","4","1") = "5"
    & skf21("2","6","4","6","3","1","5","1") = "5"
    & skf21("2","6","4","6","3","1","6","1") = "5"
    & skf21("2","6","4","6","3","1","7","1") = "6"
    & skf21("2","6","4","6","3","2","1","1") = "5"
    & skf21("2","6","4","6","3","2","2","1") = "5"
    & skf21("2","6","4","6","3","2","3","1") = "5"
    & skf21("2","6","4","6","3","2","4","1") = "5"
    & skf21("2","6","4","6","3","2","5","1") = "5"
    & skf21("2","6","4","6","3","2","6","1") = "5"
    & skf21("2","6","4","6","3","2","7","1") = "6"
    & skf21("2","6","4","6","3","3","1","1") = "5"
    & skf21("2","6","4","6","3","3","2","1") = "5"
    & skf21("2","6","4","6","3","3","3","1") = "5"
    & skf21("2","6","4","6","3","3","4","1") = "5"
    & skf21("2","6","4","6","3","3","5","1") = "5"
    & skf21("2","6","4","6","3","3","6","1") = "5"
    & skf21("2","6","4","6","3","3","7","1") = "6"
    & skf21("2","6","4","6","3","4","1","1") = "5"
    & skf21("2","6","4","6","3","4","2","1") = "5"
    & skf21("2","6","4","6","3","4","3","1") = "5"
    & skf21("2","6","4","6","3","4","4","1") = "5"
    & skf21("2","6","4","6","3","4","5","1") = "5"
    & skf21("2","6","4","6","3","4","6","1") = "5"
    & skf21("2","6","4","6","3","4","7","1") = "6"
    & skf21("2","6","4","6","3","5","1","1") = "5"
    & skf21("2","6","4","6","3","5","2","1") = "5"
    & skf21("2","6","4","6","3","5","3","1") = "5"
    & skf21("2","6","4","6","3","5","4","1") = "5"
    & skf21("2","6","4","6","3","5","5","1") = "5"
    & skf21("2","6","4","6","3","5","6","1") = "5"
    & skf21("2","6","4","6","3","5","7","1") = "6"
    & skf21("2","6","4","6","3","6","1","1") = "5"
    & skf21("2","6","4","6","3","6","2","1") = "5"
    & skf21("2","6","4","6","3","6","3","1") = "5"
    & skf21("2","6","4","6","3","6","4","1") = "5"
    & skf21("2","6","4","6","3","6","5","1") = "5"
    & skf21("2","6","4","6","3","6","6","1") = "5"
    & skf21("2","6","4","6","3","6","7","1") = "6"
    & skf21("2","6","4","6","3","7","1","1") = "6"
    & skf21("2","6","4","6","3","7","2","1") = "6"
    & skf21("2","6","4","6","3","7","3","1") = "6"
    & skf21("2","6","4","6","3","7","4","1") = "6"
    & skf21("2","6","4","6","3","7","5","1") = "6"
    & skf21("2","6","4","6","3","7","6","1") = "6"
    & skf21("2","6","4","6","3","7","7","1") = "6"
    & skf21("2","6","4","6","4","1","1","1") = "5"
    & skf21("2","6","4","6","4","1","2","1") = "5"
    & skf21("2","6","4","6","4","1","3","1") = "5"
    & skf21("2","6","4","6","4","1","4","1") = "5"
    & skf21("2","6","4","6","4","1","5","1") = "5"
    & skf21("2","6","4","6","4","1","6","1") = "5"
    & skf21("2","6","4","6","4","1","7","1") = "6"
    & skf21("2","6","4","6","4","2","1","1") = "5"
    & skf21("2","6","4","6","4","2","2","1") = "5"
    & skf21("2","6","4","6","4","2","3","1") = "5"
    & skf21("2","6","4","6","4","2","4","1") = "5"
    & skf21("2","6","4","6","4","2","5","1") = "5"
    & skf21("2","6","4","6","4","2","6","1") = "5"
    & skf21("2","6","4","6","4","2","7","1") = "6"
    & skf21("2","6","4","6","4","3","1","1") = "5"
    & skf21("2","6","4","6","4","3","2","1") = "5"
    & skf21("2","6","4","6","4","3","3","1") = "5"
    & skf21("2","6","4","6","4","3","4","1") = "5"
    & skf21("2","6","4","6","4","3","5","1") = "5"
    & skf21("2","6","4","6","4","3","6","1") = "5"
    & skf21("2","6","4","6","4","3","7","1") = "6"
    & skf21("2","6","4","6","4","4","1","1") = "5"
    & skf21("2","6","4","6","4","4","2","1") = "5"
    & skf21("2","6","4","6","4","4","3","1") = "5"
    & skf21("2","6","4","6","4","4","4","1") = "5"
    & skf21("2","6","4","6","4","4","5","1") = "5"
    & skf21("2","6","4","6","4","4","6","1") = "5"
    & skf21("2","6","4","6","4","4","7","1") = "6"
    & skf21("2","6","4","6","4","5","1","1") = "5"
    & skf21("2","6","4","6","4","5","2","1") = "5"
    & skf21("2","6","4","6","4","5","3","1") = "5"
    & skf21("2","6","4","6","4","5","4","1") = "5"
    & skf21("2","6","4","6","4","5","5","1") = "5"
    & skf21("2","6","4","6","4","5","6","1") = "5"
    & skf21("2","6","4","6","4","5","7","1") = "6"
    & skf21("2","6","4","6","4","6","1","1") = "5"
    & skf21("2","6","4","6","4","6","2","1") = "5"
    & skf21("2","6","4","6","4","6","3","1") = "5"
    & skf21("2","6","4","6","4","6","4","1") = "5"
    & skf21("2","6","4","6","4","6","5","1") = "5"
    & skf21("2","6","4","6","4","6","6","1") = "5"
    & skf21("2","6","4","6","4","6","7","1") = "6"
    & skf21("2","6","4","6","4","7","1","1") = "6"
    & skf21("2","6","4","6","4","7","2","1") = "6"
    & skf21("2","6","4","6","4","7","3","1") = "6"
    & skf21("2","6","4","6","4","7","4","1") = "6"
    & skf21("2","6","4","6","4","7","5","1") = "6"
    & skf21("2","6","4","6","4","7","6","1") = "6"
    & skf21("2","6","4","6","4","7","7","1") = "6"
    & skf21("2","6","4","6","5","1","1","1") = "5"
    & skf21("2","6","4","6","5","1","2","1") = "5"
    & skf21("2","6","4","6","5","1","3","1") = "5"
    & skf21("2","6","4","6","5","1","4","1") = "5"
    & skf21("2","6","4","6","5","1","5","1") = "5"
    & skf21("2","6","4","6","5","1","6","1") = "5"
    & skf21("2","6","4","6","5","1","7","1") = "6"
    & skf21("2","6","4","6","5","2","1","1") = "5"
    & skf21("2","6","4","6","5","2","2","1") = "5"
    & skf21("2","6","4","6","5","2","3","1") = "5"
    & skf21("2","6","4","6","5","2","4","1") = "5"
    & skf21("2","6","4","6","5","2","5","1") = "5"
    & skf21("2","6","4","6","5","2","6","1") = "5"
    & skf21("2","6","4","6","5","2","7","1") = "6"
    & skf21("2","6","4","6","5","3","1","1") = "5"
    & skf21("2","6","4","6","5","3","2","1") = "5"
    & skf21("2","6","4","6","5","3","3","1") = "5"
    & skf21("2","6","4","6","5","3","4","1") = "5"
    & skf21("2","6","4","6","5","3","5","1") = "5"
    & skf21("2","6","4","6","5","3","6","1") = "5"
    & skf21("2","6","4","6","5","3","7","1") = "6"
    & skf21("2","6","4","6","5","4","1","1") = "5"
    & skf21("2","6","4","6","5","4","2","1") = "5"
    & skf21("2","6","4","6","5","4","3","1") = "5"
    & skf21("2","6","4","6","5","4","4","1") = "5"
    & skf21("2","6","4","6","5","4","5","1") = "5"
    & skf21("2","6","4","6","5","4","6","1") = "5"
    & skf21("2","6","4","6","5","4","7","1") = "6"
    & skf21("2","6","4","6","5","5","1","1") = "5"
    & skf21("2","6","4","6","5","5","2","1") = "5"
    & skf21("2","6","4","6","5","5","3","1") = "5"
    & skf21("2","6","4","6","5","5","4","1") = "5"
    & skf21("2","6","4","6","5","5","5","1") = "5"
    & skf21("2","6","4","6","5","5","6","1") = "5"
    & skf21("2","6","4","6","5","5","7","1") = "6"
    & skf21("2","6","4","6","5","6","1","1") = "5"
    & skf21("2","6","4","6","5","6","2","1") = "5"
    & skf21("2","6","4","6","5","6","3","1") = "5"
    & skf21("2","6","4","6","5","6","4","1") = "5"
    & skf21("2","6","4","6","5","6","5","1") = "5"
    & skf21("2","6","4","6","5","6","6","1") = "5"
    & skf21("2","6","4","6","5","6","7","1") = "6"
    & skf21("2","6","4","6","5","7","1","1") = "6"
    & skf21("2","6","4","6","5","7","2","1") = "6"
    & skf21("2","6","4","6","5","7","3","1") = "6"
    & skf21("2","6","4","6","5","7","4","1") = "6"
    & skf21("2","6","4","6","5","7","5","1") = "6"
    & skf21("2","6","4","6","5","7","6","1") = "6"
    & skf21("2","6","4","6","5","7","7","1") = "6"
    & skf21("2","6","4","6","6","1","1","1") = "5"
    & skf21("2","6","4","6","6","1","2","1") = "5"
    & skf21("2","6","4","6","6","1","3","1") = "5"
    & skf21("2","6","4","6","6","1","4","1") = "5"
    & skf21("2","6","4","6","6","1","5","1") = "5"
    & skf21("2","6","4","6","6","1","6","1") = "5"
    & skf21("2","6","4","6","6","1","7","1") = "6"
    & skf21("2","6","4","6","6","2","1","1") = "5"
    & skf21("2","6","4","6","6","2","2","1") = "5"
    & skf21("2","6","4","6","6","2","3","1") = "5"
    & skf21("2","6","4","6","6","2","4","1") = "5"
    & skf21("2","6","4","6","6","2","5","1") = "5"
    & skf21("2","6","4","6","6","2","6","1") = "5"
    & skf21("2","6","4","6","6","2","7","1") = "6"
    & skf21("2","6","4","6","6","3","1","1") = "5"
    & skf21("2","6","4","6","6","3","2","1") = "5"
    & skf21("2","6","4","6","6","3","3","1") = "5"
    & skf21("2","6","4","6","6","3","4","1") = "5"
    & skf21("2","6","4","6","6","3","5","1") = "5"
    & skf21("2","6","4","6","6","3","6","1") = "5"
    & skf21("2","6","4","6","6","3","7","1") = "6"
    & skf21("2","6","4","6","6","4","1","1") = "5"
    & skf21("2","6","4","6","6","4","2","1") = "5"
    & skf21("2","6","4","6","6","4","3","1") = "5"
    & skf21("2","6","4","6","6","4","4","1") = "5"
    & skf21("2","6","4","6","6","4","5","1") = "5"
    & skf21("2","6","4","6","6","4","6","1") = "5"
    & skf21("2","6","4","6","6","4","7","1") = "6"
    & skf21("2","6","4","6","6","5","1","1") = "5"
    & skf21("2","6","4","6","6","5","2","1") = "5"
    & skf21("2","6","4","6","6","5","3","1") = "5"
    & skf21("2","6","4","6","6","5","4","1") = "5"
    & skf21("2","6","4","6","6","5","5","1") = "5"
    & skf21("2","6","4","6","6","5","6","1") = "5"
    & skf21("2","6","4","6","6","5","7","1") = "6"
    & skf21("2","6","4","6","6","6","1","1") = "5"
    & skf21("2","6","4","6","6","6","2","1") = "5"
    & skf21("2","6","4","6","6","6","3","1") = "5"
    & skf21("2","6","4","6","6","6","4","1") = "5"
    & skf21("2","6","4","6","6","6","5","1") = "5"
    & skf21("2","6","4","6","6","6","6","1") = "5"
    & skf21("2","6","4","6","6","6","7","1") = "6"
    & skf21("2","6","4","6","6","7","1","1") = "6"
    & skf21("2","6","4","6","6","7","2","1") = "6"
    & skf21("2","6","4","6","6","7","3","1") = "6"
    & skf21("2","6","4","6","6","7","4","1") = "6"
    & skf21("2","6","4","6","6","7","5","1") = "6"
    & skf21("2","6","4","6","6","7","6","1") = "6"
    & skf21("2","6","4","6","6","7","7","1") = "6"
    & skf21("2","6","4","6","7","1","1","1") = "6"
    & skf21("2","6","4","6","7","1","2","1") = "6"
    & skf21("2","6","4","6","7","1","3","1") = "6"
    & skf21("2","6","4","6","7","1","4","1") = "6"
    & skf21("2","6","4","6","7","1","5","1") = "6"
    & skf21("2","6","4","6","7","1","6","1") = "6"
    & skf21("2","6","4","6","7","1","7","1") = "6"
    & skf21("2","6","4","6","7","2","1","1") = "6"
    & skf21("2","6","4","6","7","2","2","1") = "6"
    & skf21("2","6","4","6","7","2","3","1") = "6"
    & skf21("2","6","4","6","7","2","4","1") = "6"
    & skf21("2","6","4","6","7","2","5","1") = "6"
    & skf21("2","6","4","6","7","2","6","1") = "6"
    & skf21("2","6","4","6","7","2","7","1") = "6"
    & skf21("2","6","4","6","7","3","1","1") = "6"
    & skf21("2","6","4","6","7","3","2","1") = "6"
    & skf21("2","6","4","6","7","3","3","1") = "6"
    & skf21("2","6","4","6","7","3","4","1") = "6"
    & skf21("2","6","4","6","7","3","5","1") = "6"
    & skf21("2","6","4","6","7","3","6","1") = "6"
    & skf21("2","6","4","6","7","3","7","1") = "6"
    & skf21("2","6","4","6","7","4","1","1") = "6"
    & skf21("2","6","4","6","7","4","2","1") = "6"
    & skf21("2","6","4","6","7","4","3","1") = "6"
    & skf21("2","6","4","6","7","4","4","1") = "6"
    & skf21("2","6","4","6","7","4","5","1") = "6"
    & skf21("2","6","4","6","7","4","6","1") = "6"
    & skf21("2","6","4","6","7","4","7","1") = "6"
    & skf21("2","6","4","6","7","5","1","1") = "6"
    & skf21("2","6","4","6","7","5","2","1") = "6"
    & skf21("2","6","4","6","7","5","3","1") = "6"
    & skf21("2","6","4","6","7","5","4","1") = "6"
    & skf21("2","6","4","6","7","5","5","1") = "6"
    & skf21("2","6","4","6","7","5","6","1") = "6"
    & skf21("2","6","4","6","7","5","7","1") = "6"
    & skf21("2","6","4","6","7","6","1","1") = "6"
    & skf21("2","6","4","6","7","6","2","1") = "6"
    & skf21("2","6","4","6","7","6","3","1") = "6"
    & skf21("2","6","4","6","7","6","4","1") = "6"
    & skf21("2","6","4","6","7","6","5","1") = "6"
    & skf21("2","6","4","6","7","6","6","1") = "6"
    & skf21("2","6","4","6","7","6","7","1") = "6"
    & skf21("2","6","4","6","7","7","1","1") = "6"
    & skf21("2","6","4","6","7","7","2","1") = "6"
    & skf21("2","6","4","6","7","7","3","1") = "6"
    & skf21("2","6","4","6","7","7","4","1") = "6"
    & skf21("2","6","4","6","7","7","5","1") = "6"
    & skf21("2","6","4","6","7","7","6","1") = "6"
    & skf21("2","6","4","6","7","7","7","1") = "6"
    & skf21("2","6","4","7","1","1","1","1") = "6"
    & skf21("2","6","4","7","1","1","2","1") = "6"
    & skf21("2","6","4","7","1","1","3","1") = "6"
    & skf21("2","6","4","7","1","1","4","1") = "6"
    & skf21("2","6","4","7","1","1","5","1") = "6"
    & skf21("2","6","4","7","1","1","6","1") = "6"
    & skf21("2","6","4","7","1","1","7","1") = "6"
    & skf21("2","6","4","7","1","2","1","1") = "6"
    & skf21("2","6","4","7","1","2","2","1") = "6"
    & skf21("2","6","4","7","1","2","3","1") = "6"
    & skf21("2","6","4","7","1","2","4","1") = "6"
    & skf21("2","6","4","7","1","2","5","1") = "6"
    & skf21("2","6","4","7","1","2","6","1") = "6"
    & skf21("2","6","4","7","1","2","7","1") = "6"
    & skf21("2","6","4","7","1","3","1","1") = "6"
    & skf21("2","6","4","7","1","3","2","1") = "6"
    & skf21("2","6","4","7","1","3","3","1") = "6"
    & skf21("2","6","4","7","1","3","4","1") = "6"
    & skf21("2","6","4","7","1","3","5","1") = "6"
    & skf21("2","6","4","7","1","3","6","1") = "6"
    & skf21("2","6","4","7","1","3","7","1") = "6"
    & skf21("2","6","4","7","1","4","1","1") = "6"
    & skf21("2","6","4","7","1","4","2","1") = "6"
    & skf21("2","6","4","7","1","4","3","1") = "6"
    & skf21("2","6","4","7","1","4","4","1") = "6"
    & skf21("2","6","4","7","1","4","5","1") = "6"
    & skf21("2","6","4","7","1","4","6","1") = "6"
    & skf21("2","6","4","7","1","4","7","1") = "6"
    & skf21("2","6","4","7","1","5","1","1") = "6"
    & skf21("2","6","4","7","1","5","2","1") = "6"
    & skf21("2","6","4","7","1","5","3","1") = "6"
    & skf21("2","6","4","7","1","5","4","1") = "6"
    & skf21("2","6","4","7","1","5","5","1") = "6"
    & skf21("2","6","4","7","1","5","6","1") = "6"
    & skf21("2","6","4","7","1","5","7","1") = "6"
    & skf21("2","6","4","7","1","6","1","1") = "6"
    & skf21("2","6","4","7","1","6","2","1") = "6"
    & skf21("2","6","4","7","1","6","3","1") = "6"
    & skf21("2","6","4","7","1","6","4","1") = "6"
    & skf21("2","6","4","7","1","6","5","1") = "6"
    & skf21("2","6","4","7","1","6","6","1") = "6"
    & skf21("2","6","4","7","1","6","7","1") = "6"
    & skf21("2","6","4","7","1","7","1","1") = "6"
    & skf21("2","6","4","7","1","7","2","1") = "6"
    & skf21("2","6","4","7","1","7","3","1") = "6"
    & skf21("2","6","4","7","1","7","4","1") = "6"
    & skf21("2","6","4","7","1","7","5","1") = "6"
    & skf21("2","6","4","7","1","7","6","1") = "6"
    & skf21("2","6","4","7","1","7","7","1") = "6"
    & skf21("2","6","4","7","2","1","1","1") = "6"
    & skf21("2","6","4","7","2","1","2","1") = "6"
    & skf21("2","6","4","7","2","1","3","1") = "6"
    & skf21("2","6","4","7","2","1","4","1") = "6"
    & skf21("2","6","4","7","2","1","5","1") = "6"
    & skf21("2","6","4","7","2","1","6","1") = "6"
    & skf21("2","6","4","7","2","1","7","1") = "6"
    & skf21("2","6","4","7","2","2","1","1") = "6"
    & skf21("2","6","4","7","2","2","2","1") = "6"
    & skf21("2","6","4","7","2","2","3","1") = "6"
    & skf21("2","6","4","7","2","2","4","1") = "6"
    & skf21("2","6","4","7","2","2","5","1") = "6"
    & skf21("2","6","4","7","2","2","6","1") = "6"
    & skf21("2","6","4","7","2","2","7","1") = "6"
    & skf21("2","6","4","7","2","3","1","1") = "6"
    & skf21("2","6","4","7","2","3","2","1") = "6"
    & skf21("2","6","4","7","2","3","3","1") = "6"
    & skf21("2","6","4","7","2","3","4","1") = "6"
    & skf21("2","6","4","7","2","3","5","1") = "6"
    & skf21("2","6","4","7","2","3","6","1") = "6"
    & skf21("2","6","4","7","2","3","7","1") = "6"
    & skf21("2","6","4","7","2","4","1","1") = "6"
    & skf21("2","6","4","7","2","4","2","1") = "6"
    & skf21("2","6","4","7","2","4","3","1") = "6"
    & skf21("2","6","4","7","2","4","4","1") = "6"
    & skf21("2","6","4","7","2","4","5","1") = "6"
    & skf21("2","6","4","7","2","4","6","1") = "6"
    & skf21("2","6","4","7","2","4","7","1") = "6"
    & skf21("2","6","4","7","2","5","1","1") = "6"
    & skf21("2","6","4","7","2","5","2","1") = "6"
    & skf21("2","6","4","7","2","5","3","1") = "6"
    & skf21("2","6","4","7","2","5","4","1") = "6"
    & skf21("2","6","4","7","2","5","5","1") = "6"
    & skf21("2","6","4","7","2","5","6","1") = "6"
    & skf21("2","6","4","7","2","5","7","1") = "6"
    & skf21("2","6","4","7","2","6","1","1") = "6"
    & skf21("2","6","4","7","2","6","2","1") = "6"
    & skf21("2","6","4","7","2","6","3","1") = "6"
    & skf21("2","6","4","7","2","6","4","1") = "6"
    & skf21("2","6","4","7","2","6","5","1") = "6"
    & skf21("2","6","4","7","2","6","6","1") = "6"
    & skf21("2","6","4","7","2","6","7","1") = "6"
    & skf21("2","6","4","7","2","7","1","1") = "6"
    & skf21("2","6","4","7","2","7","2","1") = "6"
    & skf21("2","6","4","7","2","7","3","1") = "6"
    & skf21("2","6","4","7","2","7","4","1") = "6"
    & skf21("2","6","4","7","2","7","5","1") = "6"
    & skf21("2","6","4","7","2","7","6","1") = "6"
    & skf21("2","6","4","7","2","7","7","1") = "6"
    & skf21("2","6","4","7","3","1","1","1") = "6"
    & skf21("2","6","4","7","3","1","2","1") = "6"
    & skf21("2","6","4","7","3","1","3","1") = "6"
    & skf21("2","6","4","7","3","1","4","1") = "6"
    & skf21("2","6","4","7","3","1","5","1") = "6"
    & skf21("2","6","4","7","3","1","6","1") = "6"
    & skf21("2","6","4","7","3","1","7","1") = "6"
    & skf21("2","6","4","7","3","2","1","1") = "6"
    & skf21("2","6","4","7","3","2","2","1") = "6"
    & skf21("2","6","4","7","3","2","3","1") = "6"
    & skf21("2","6","4","7","3","2","4","1") = "6"
    & skf21("2","6","4","7","3","2","5","1") = "6"
    & skf21("2","6","4","7","3","2","6","1") = "6"
    & skf21("2","6","4","7","3","2","7","1") = "6"
    & skf21("2","6","4","7","3","3","1","1") = "6"
    & skf21("2","6","4","7","3","3","2","1") = "6"
    & skf21("2","6","4","7","3","3","3","1") = "6"
    & skf21("2","6","4","7","3","3","4","1") = "6"
    & skf21("2","6","4","7","3","3","5","1") = "6"
    & skf21("2","6","4","7","3","3","6","1") = "6"
    & skf21("2","6","4","7","3","3","7","1") = "6"
    & skf21("2","6","4","7","3","4","1","1") = "6"
    & skf21("2","6","4","7","3","4","2","1") = "6"
    & skf21("2","6","4","7","3","4","3","1") = "6"
    & skf21("2","6","4","7","3","4","4","1") = "6"
    & skf21("2","6","4","7","3","4","5","1") = "6"
    & skf21("2","6","4","7","3","4","6","1") = "6"
    & skf21("2","6","4","7","3","4","7","1") = "6"
    & skf21("2","6","4","7","3","5","1","1") = "6"
    & skf21("2","6","4","7","3","5","2","1") = "6"
    & skf21("2","6","4","7","3","5","3","1") = "6"
    & skf21("2","6","4","7","3","5","4","1") = "6"
    & skf21("2","6","4","7","3","5","5","1") = "6"
    & skf21("2","6","4","7","3","5","6","1") = "6"
    & skf21("2","6","4","7","3","5","7","1") = "6"
    & skf21("2","6","4","7","3","6","1","1") = "6"
    & skf21("2","6","4","7","3","6","2","1") = "6"
    & skf21("2","6","4","7","3","6","3","1") = "6"
    & skf21("2","6","4","7","3","6","4","1") = "6"
    & skf21("2","6","4","7","3","6","5","1") = "6"
    & skf21("2","6","4","7","3","6","6","1") = "6"
    & skf21("2","6","4","7","3","6","7","1") = "6"
    & skf21("2","6","4","7","3","7","1","1") = "6"
    & skf21("2","6","4","7","3","7","2","1") = "6"
    & skf21("2","6","4","7","3","7","3","1") = "6"
    & skf21("2","6","4","7","3","7","4","1") = "6"
    & skf21("2","6","4","7","3","7","5","1") = "6"
    & skf21("2","6","4","7","3","7","6","1") = "6"
    & skf21("2","6","4","7","3","7","7","1") = "6"
    & skf21("2","6","4","7","4","1","1","1") = "6"
    & skf21("2","6","4","7","4","1","2","1") = "6"
    & skf21("2","6","4","7","4","1","3","1") = "6"
    & skf21("2","6","4","7","4","1","4","1") = "6"
    & skf21("2","6","4","7","4","1","5","1") = "6"
    & skf21("2","6","4","7","4","1","6","1") = "6"
    & skf21("2","6","4","7","4","1","7","1") = "6"
    & skf21("2","6","4","7","4","2","1","1") = "6"
    & skf21("2","6","4","7","4","2","2","1") = "6"
    & skf21("2","6","4","7","4","2","3","1") = "6"
    & skf21("2","6","4","7","4","2","4","1") = "6"
    & skf21("2","6","4","7","4","2","5","1") = "6"
    & skf21("2","6","4","7","4","2","6","1") = "6"
    & skf21("2","6","4","7","4","2","7","1") = "6"
    & skf21("2","6","4","7","4","3","1","1") = "6"
    & skf21("2","6","4","7","4","3","2","1") = "6"
    & skf21("2","6","4","7","4","3","3","1") = "6"
    & skf21("2","6","4","7","4","3","4","1") = "6"
    & skf21("2","6","4","7","4","3","5","1") = "6"
    & skf21("2","6","4","7","4","3","6","1") = "6"
    & skf21("2","6","4","7","4","3","7","1") = "6"
    & skf21("2","6","4","7","4","4","1","1") = "6"
    & skf21("2","6","4","7","4","4","2","1") = "6"
    & skf21("2","6","4","7","4","4","3","1") = "6"
    & skf21("2","6","4","7","4","4","4","1") = "6"
    & skf21("2","6","4","7","4","4","5","1") = "6"
    & skf21("2","6","4","7","4","4","6","1") = "6"
    & skf21("2","6","4","7","4","4","7","1") = "6"
    & skf21("2","6","4","7","4","5","1","1") = "6"
    & skf21("2","6","4","7","4","5","2","1") = "6"
    & skf21("2","6","4","7","4","5","3","1") = "6"
    & skf21("2","6","4","7","4","5","4","1") = "6"
    & skf21("2","6","4","7","4","5","5","1") = "6"
    & skf21("2","6","4","7","4","5","6","1") = "6"
    & skf21("2","6","4","7","4","5","7","1") = "6"
    & skf21("2","6","4","7","4","6","1","1") = "6"
    & skf21("2","6","4","7","4","6","2","1") = "6"
    & skf21("2","6","4","7","4","6","3","1") = "6"
    & skf21("2","6","4","7","4","6","4","1") = "6"
    & skf21("2","6","4","7","4","6","5","1") = "6"
    & skf21("2","6","4","7","4","6","6","1") = "6"
    & skf21("2","6","4","7","4","6","7","1") = "6"
    & skf21("2","6","4","7","4","7","1","1") = "6"
    & skf21("2","6","4","7","4","7","2","1") = "6"
    & skf21("2","6","4","7","4","7","3","1") = "6"
    & skf21("2","6","4","7","4","7","4","1") = "6"
    & skf21("2","6","4","7","4","7","5","1") = "6"
    & skf21("2","6","4","7","4","7","6","1") = "6"
    & skf21("2","6","4","7","4","7","7","1") = "6"
    & skf21("2","6","4","7","5","1","1","1") = "6"
    & skf21("2","6","4","7","5","1","2","1") = "6"
    & skf21("2","6","4","7","5","1","3","1") = "6"
    & skf21("2","6","4","7","5","1","4","1") = "6"
    & skf21("2","6","4","7","5","1","5","1") = "6"
    & skf21("2","6","4","7","5","1","6","1") = "6"
    & skf21("2","6","4","7","5","1","7","1") = "6"
    & skf21("2","6","4","7","5","2","1","1") = "6"
    & skf21("2","6","4","7","5","2","2","1") = "6"
    & skf21("2","6","4","7","5","2","3","1") = "6"
    & skf21("2","6","4","7","5","2","4","1") = "6"
    & skf21("2","6","4","7","5","2","5","1") = "6"
    & skf21("2","6","4","7","5","2","6","1") = "6"
    & skf21("2","6","4","7","5","2","7","1") = "6"
    & skf21("2","6","4","7","5","3","1","1") = "6"
    & skf21("2","6","4","7","5","3","2","1") = "6"
    & skf21("2","6","4","7","5","3","3","1") = "6"
    & skf21("2","6","4","7","5","3","4","1") = "6"
    & skf21("2","6","4","7","5","3","5","1") = "6"
    & skf21("2","6","4","7","5","3","6","1") = "6"
    & skf21("2","6","4","7","5","3","7","1") = "6"
    & skf21("2","6","4","7","5","4","1","1") = "6"
    & skf21("2","6","4","7","5","4","2","1") = "6"
    & skf21("2","6","4","7","5","4","3","1") = "6"
    & skf21("2","6","4","7","5","4","4","1") = "6"
    & skf21("2","6","4","7","5","4","5","1") = "6"
    & skf21("2","6","4","7","5","4","6","1") = "6"
    & skf21("2","6","4","7","5","4","7","1") = "6"
    & skf21("2","6","4","7","5","5","1","1") = "6"
    & skf21("2","6","4","7","5","5","2","1") = "6"
    & skf21("2","6","4","7","5","5","3","1") = "6"
    & skf21("2","6","4","7","5","5","4","1") = "6"
    & skf21("2","6","4","7","5","5","5","1") = "6"
    & skf21("2","6","4","7","5","5","6","1") = "6"
    & skf21("2","6","4","7","5","5","7","1") = "6"
    & skf21("2","6","4","7","5","6","1","1") = "6"
    & skf21("2","6","4","7","5","6","2","1") = "6"
    & skf21("2","6","4","7","5","6","3","1") = "6"
    & skf21("2","6","4","7","5","6","4","1") = "6"
    & skf21("2","6","4","7","5","6","5","1") = "6"
    & skf21("2","6","4","7","5","6","6","1") = "6"
    & skf21("2","6","4","7","5","6","7","1") = "6"
    & skf21("2","6","4","7","5","7","1","1") = "6"
    & skf21("2","6","4","7","5","7","2","1") = "6"
    & skf21("2","6","4","7","5","7","3","1") = "6"
    & skf21("2","6","4","7","5","7","4","1") = "6"
    & skf21("2","6","4","7","5","7","5","1") = "6"
    & skf21("2","6","4","7","5","7","6","1") = "6"
    & skf21("2","6","4","7","5","7","7","1") = "6"
    & skf21("2","6","4","7","6","1","1","1") = "6"
    & skf21("2","6","4","7","6","1","2","1") = "6"
    & skf21("2","6","4","7","6","1","3","1") = "6"
    & skf21("2","6","4","7","6","1","4","1") = "6"
    & skf21("2","6","4","7","6","1","5","1") = "6"
    & skf21("2","6","4","7","6","1","6","1") = "6"
    & skf21("2","6","4","7","6","1","7","1") = "6"
    & skf21("2","6","4","7","6","2","1","1") = "6"
    & skf21("2","6","4","7","6","2","2","1") = "6"
    & skf21("2","6","4","7","6","2","3","1") = "6"
    & skf21("2","6","4","7","6","2","4","1") = "6"
    & skf21("2","6","4","7","6","2","5","1") = "6"
    & skf21("2","6","4","7","6","2","6","1") = "6"
    & skf21("2","6","4","7","6","2","7","1") = "6"
    & skf21("2","6","4","7","6","3","1","1") = "6"
    & skf21("2","6","4","7","6","3","2","1") = "6"
    & skf21("2","6","4","7","6","3","3","1") = "6"
    & skf21("2","6","4","7","6","3","4","1") = "6"
    & skf21("2","6","4","7","6","3","5","1") = "6"
    & skf21("2","6","4","7","6","3","6","1") = "6"
    & skf21("2","6","4","7","6","3","7","1") = "6"
    & skf21("2","6","4","7","6","4","1","1") = "6"
    & skf21("2","6","4","7","6","4","2","1") = "6"
    & skf21("2","6","4","7","6","4","3","1") = "6"
    & skf21("2","6","4","7","6","4","4","1") = "6"
    & skf21("2","6","4","7","6","4","5","1") = "6"
    & skf21("2","6","4","7","6","4","6","1") = "6"
    & skf21("2","6","4","7","6","4","7","1") = "6"
    & skf21("2","6","4","7","6","5","1","1") = "6"
    & skf21("2","6","4","7","6","5","2","1") = "6"
    & skf21("2","6","4","7","6","5","3","1") = "6"
    & skf21("2","6","4","7","6","5","4","1") = "6"
    & skf21("2","6","4","7","6","5","5","1") = "6"
    & skf21("2","6","4","7","6","5","6","1") = "6"
    & skf21("2","6","4","7","6","5","7","1") = "6"
    & skf21("2","6","4","7","6","6","1","1") = "6"
    & skf21("2","6","4","7","6","6","2","1") = "6"
    & skf21("2","6","4","7","6","6","3","1") = "6"
    & skf21("2","6","4","7","6","6","4","1") = "6"
    & skf21("2","6","4","7","6","6","5","1") = "6"
    & skf21("2","6","4","7","6","6","6","1") = "6"
    & skf21("2","6","4","7","6","6","7","1") = "6"
    & skf21("2","6","4","7","6","7","1","1") = "6"
    & skf21("2","6","4","7","6","7","2","1") = "6"
    & skf21("2","6","4","7","6","7","3","1") = "6"
    & skf21("2","6","4","7","6","7","4","1") = "6"
    & skf21("2","6","4","7","6","7","5","1") = "6"
    & skf21("2","6","4","7","6","7","6","1") = "6"
    & skf21("2","6","4","7","6","7","7","1") = "6"
    & skf21("2","6","4","7","7","1","1","1") = "6"
    & skf21("2","6","4","7","7","1","2","1") = "6"
    & skf21("2","6","4","7","7","1","3","1") = "6"
    & skf21("2","6","4","7","7","1","4","1") = "6"
    & skf21("2","6","4","7","7","1","5","1") = "6"
    & skf21("2","6","4","7","7","1","6","1") = "6"
    & skf21("2","6","4","7","7","1","7","1") = "6"
    & skf21("2","6","4","7","7","2","1","1") = "6"
    & skf21("2","6","4","7","7","2","2","1") = "6"
    & skf21("2","6","4","7","7","2","3","1") = "6"
    & skf21("2","6","4","7","7","2","4","1") = "6"
    & skf21("2","6","4","7","7","2","5","1") = "6"
    & skf21("2","6","4","7","7","2","6","1") = "6"
    & skf21("2","6","4","7","7","2","7","1") = "6"
    & skf21("2","6","4","7","7","3","1","1") = "6"
    & skf21("2","6","4","7","7","3","2","1") = "6"
    & skf21("2","6","4","7","7","3","3","1") = "6"
    & skf21("2","6","4","7","7","3","4","1") = "6"
    & skf21("2","6","4","7","7","3","5","1") = "6"
    & skf21("2","6","4","7","7","3","6","1") = "6"
    & skf21("2","6","4","7","7","3","7","1") = "6"
    & skf21("2","6","4","7","7","4","1","1") = "6"
    & skf21("2","6","4","7","7","4","2","1") = "6"
    & skf21("2","6","4","7","7","4","3","1") = "6"
    & skf21("2","6","4","7","7","4","4","1") = "6"
    & skf21("2","6","4","7","7","4","5","1") = "6"
    & skf21("2","6","4","7","7","4","6","1") = "6"
    & skf21("2","6","4","7","7","4","7","1") = "6"
    & skf21("2","6","4","7","7","5","1","1") = "6"
    & skf21("2","6","4","7","7","5","2","1") = "6"
    & skf21("2","6","4","7","7","5","3","1") = "6"
    & skf21("2","6","4","7","7","5","4","1") = "6"
    & skf21("2","6","4","7","7","5","5","1") = "6"
    & skf21("2","6","4","7","7","5","6","1") = "6"
    & skf21("2","6","4","7","7","5","7","1") = "6"
    & skf21("2","6","4","7","7","6","1","1") = "6"
    & skf21("2","6","4","7","7","6","2","1") = "6"
    & skf21("2","6","4","7","7","6","3","1") = "6"
    & skf21("2","6","4","7","7","6","4","1") = "6"
    & skf21("2","6","4","7","7","6","5","1") = "6"
    & skf21("2","6","4","7","7","6","6","1") = "6"
    & skf21("2","6","4","7","7","6","7","1") = "6"
    & skf21("2","6","4","7","7","7","1","1") = "6"
    & skf21("2","6","4","7","7","7","2","1") = "6"
    & skf21("2","6","4","7","7","7","3","1") = "6"
    & skf21("2","6","4","7","7","7","4","1") = "6"
    & skf21("2","6","4","7","7","7","5","1") = "6"
    & skf21("2","6","4","7","7","7","6","1") = "6"
    & skf21("2","6","4","7","7","7","7","1") = "6"
    & skf21("2","6","5","1","1","1","1","1") = "5"
    & skf21("2","6","5","1","1","1","2","1") = "5"
    & skf21("2","6","5","1","1","1","3","1") = "5"
    & skf21("2","6","5","1","1","1","4","1") = "5"
    & skf21("2","6","5","1","1","1","5","1") = "5"
    & skf21("2","6","5","1","1","1","6","1") = "5"
    & skf21("2","6","5","1","1","1","7","1") = "6"
    & skf21("2","6","5","1","1","2","1","1") = "5"
    & skf21("2","6","5","1","1","2","2","1") = "5"
    & skf21("2","6","5","1","1","2","3","1") = "5"
    & skf21("2","6","5","1","1","2","4","1") = "5"
    & skf21("2","6","5","1","1","2","5","1") = "5"
    & skf21("2","6","5","1","1","2","6","1") = "5"
    & skf21("2","6","5","1","1","2","7","1") = "6"
    & skf21("2","6","5","1","1","3","1","1") = "5"
    & skf21("2","6","5","1","1","3","2","1") = "5"
    & skf21("2","6","5","1","1","3","3","1") = "5"
    & skf21("2","6","5","1","1","3","4","1") = "5"
    & skf21("2","6","5","1","1","3","5","1") = "5"
    & skf21("2","6","5","1","1","3","6","1") = "5"
    & skf21("2","6","5","1","1","3","7","1") = "6"
    & skf21("2","6","5","1","1","4","1","1") = "5"
    & skf21("2","6","5","1","1","4","2","1") = "5"
    & skf21("2","6","5","1","1","4","3","1") = "5"
    & skf21("2","6","5","1","1","4","4","1") = "5"
    & skf21("2","6","5","1","1","4","5","1") = "5"
    & skf21("2","6","5","1","1","4","6","1") = "5"
    & skf21("2","6","5","1","1","4","7","1") = "6"
    & skf21("2","6","5","1","1","5","1","1") = "5"
    & skf21("2","6","5","1","1","5","2","1") = "5"
    & skf21("2","6","5","1","1","5","3","1") = "5"
    & skf21("2","6","5","1","1","5","4","1") = "5"
    & skf21("2","6","5","1","1","5","5","1") = "5"
    & skf21("2","6","5","1","1","5","6","1") = "5"
    & skf21("2","6","5","1","1","5","7","1") = "6"
    & skf21("2","6","5","1","1","6","1","1") = "5"
    & skf21("2","6","5","1","1","6","2","1") = "5"
    & skf21("2","6","5","1","1","6","3","1") = "5"
    & skf21("2","6","5","1","1","6","4","1") = "5"
    & skf21("2","6","5","1","1","6","5","1") = "5"
    & skf21("2","6","5","1","1","6","6","1") = "5"
    & skf21("2","6","5","1","1","6","7","1") = "6"
    & skf21("2","6","5","1","1","7","1","1") = "6"
    & skf21("2","6","5","1","1","7","2","1") = "6"
    & skf21("2","6","5","1","1","7","3","1") = "6"
    & skf21("2","6","5","1","1","7","4","1") = "6"
    & skf21("2","6","5","1","1","7","5","1") = "6"
    & skf21("2","6","5","1","1","7","6","1") = "6"
    & skf21("2","6","5","1","1","7","7","1") = "6"
    & skf21("2","6","5","1","2","1","1","1") = "5"
    & skf21("2","6","5","1","2","1","2","1") = "5"
    & skf21("2","6","5","1","2","1","3","1") = "5"
    & skf21("2","6","5","1","2","1","4","1") = "5"
    & skf21("2","6","5","1","2","1","5","1") = "5"
    & skf21("2","6","5","1","2","1","6","1") = "5"
    & skf21("2","6","5","1","2","1","7","1") = "6"
    & skf21("2","6","5","1","2","2","1","1") = "5"
    & skf21("2","6","5","1","2","2","2","1") = "5"
    & skf21("2","6","5","1","2","2","3","1") = "5"
    & skf21("2","6","5","1","2","2","4","1") = "5"
    & skf21("2","6","5","1","2","2","5","1") = "5"
    & skf21("2","6","5","1","2","2","6","1") = "5"
    & skf21("2","6","5","1","2","2","7","1") = "6"
    & skf21("2","6","5","1","2","3","1","1") = "5"
    & skf21("2","6","5","1","2","3","2","1") = "5"
    & skf21("2","6","5","1","2","3","3","1") = "5"
    & skf21("2","6","5","1","2","3","4","1") = "5"
    & skf21("2","6","5","1","2","3","5","1") = "5"
    & skf21("2","6","5","1","2","3","6","1") = "5"
    & skf21("2","6","5","1","2","3","7","1") = "6"
    & skf21("2","6","5","1","2","4","1","1") = "5"
    & skf21("2","6","5","1","2","4","2","1") = "5"
    & skf21("2","6","5","1","2","4","3","1") = "5"
    & skf21("2","6","5","1","2","4","4","1") = "5"
    & skf21("2","6","5","1","2","4","5","1") = "5"
    & skf21("2","6","5","1","2","4","6","1") = "5"
    & skf21("2","6","5","1","2","4","7","1") = "6"
    & skf21("2","6","5","1","2","5","1","1") = "5"
    & skf21("2","6","5","1","2","5","2","1") = "5"
    & skf21("2","6","5","1","2","5","3","1") = "5"
    & skf21("2","6","5","1","2","5","4","1") = "5"
    & skf21("2","6","5","1","2","5","5","1") = "5"
    & skf21("2","6","5","1","2","5","6","1") = "5"
    & skf21("2","6","5","1","2","5","7","1") = "6"
    & skf21("2","6","5","1","2","6","1","1") = "5"
    & skf21("2","6","5","1","2","6","2","1") = "5"
    & skf21("2","6","5","1","2","6","3","1") = "5"
    & skf21("2","6","5","1","2","6","4","1") = "5"
    & skf21("2","6","5","1","2","6","5","1") = "5"
    & skf21("2","6","5","1","2","6","6","1") = "5"
    & skf21("2","6","5","1","2","6","7","1") = "6"
    & skf21("2","6","5","1","2","7","1","1") = "6"
    & skf21("2","6","5","1","2","7","2","1") = "6"
    & skf21("2","6","5","1","2","7","3","1") = "6"
    & skf21("2","6","5","1","2","7","4","1") = "6"
    & skf21("2","6","5","1","2","7","5","1") = "6"
    & skf21("2","6","5","1","2","7","6","1") = "6"
    & skf21("2","6","5","1","2","7","7","1") = "6"
    & skf21("2","6","5","1","3","1","1","1") = "5"
    & skf21("2","6","5","1","3","1","2","1") = "5"
    & skf21("2","6","5","1","3","1","3","1") = "5"
    & skf21("2","6","5","1","3","1","4","1") = "5"
    & skf21("2","6","5","1","3","1","5","1") = "5"
    & skf21("2","6","5","1","3","1","6","1") = "5"
    & skf21("2","6","5","1","3","1","7","1") = "6"
    & skf21("2","6","5","1","3","2","1","1") = "5"
    & skf21("2","6","5","1","3","2","2","1") = "5"
    & skf21("2","6","5","1","3","2","3","1") = "5"
    & skf21("2","6","5","1","3","2","4","1") = "5"
    & skf21("2","6","5","1","3","2","5","1") = "5"
    & skf21("2","6","5","1","3","2","6","1") = "5"
    & skf21("2","6","5","1","3","2","7","1") = "6"
    & skf21("2","6","5","1","3","3","1","1") = "5"
    & skf21("2","6","5","1","3","3","2","1") = "5"
    & skf21("2","6","5","1","3","3","3","1") = "5"
    & skf21("2","6","5","1","3","3","4","1") = "5"
    & skf21("2","6","5","1","3","3","5","1") = "5"
    & skf21("2","6","5","1","3","3","6","1") = "5"
    & skf21("2","6","5","1","3","3","7","1") = "6"
    & skf21("2","6","5","1","3","4","1","1") = "5"
    & skf21("2","6","5","1","3","4","2","1") = "5"
    & skf21("2","6","5","1","3","4","3","1") = "5"
    & skf21("2","6","5","1","3","4","4","1") = "5"
    & skf21("2","6","5","1","3","4","5","1") = "5"
    & skf21("2","6","5","1","3","4","6","1") = "5"
    & skf21("2","6","5","1","3","4","7","1") = "6"
    & skf21("2","6","5","1","3","5","1","1") = "5"
    & skf21("2","6","5","1","3","5","2","1") = "5"
    & skf21("2","6","5","1","3","5","3","1") = "5"
    & skf21("2","6","5","1","3","5","4","1") = "5"
    & skf21("2","6","5","1","3","5","5","1") = "5"
    & skf21("2","6","5","1","3","5","6","1") = "5"
    & skf21("2","6","5","1","3","5","7","1") = "6"
    & skf21("2","6","5","1","3","6","1","1") = "5"
    & skf21("2","6","5","1","3","6","2","1") = "5"
    & skf21("2","6","5","1","3","6","3","1") = "5"
    & skf21("2","6","5","1","3","6","4","1") = "5"
    & skf21("2","6","5","1","3","6","5","1") = "5"
    & skf21("2","6","5","1","3","6","6","1") = "5"
    & skf21("2","6","5","1","3","6","7","1") = "6"
    & skf21("2","6","5","1","3","7","1","1") = "6"
    & skf21("2","6","5","1","3","7","2","1") = "6"
    & skf21("2","6","5","1","3","7","3","1") = "6"
    & skf21("2","6","5","1","3","7","4","1") = "6"
    & skf21("2","6","5","1","3","7","5","1") = "6"
    & skf21("2","6","5","1","3","7","6","1") = "6"
    & skf21("2","6","5","1","3","7","7","1") = "6"
    & skf21("2","6","5","1","4","1","1","1") = "5"
    & skf21("2","6","5","1","4","1","2","1") = "5"
    & skf21("2","6","5","1","4","1","3","1") = "5"
    & skf21("2","6","5","1","4","1","4","1") = "5"
    & skf21("2","6","5","1","4","1","5","1") = "5"
    & skf21("2","6","5","1","4","1","6","1") = "5"
    & skf21("2","6","5","1","4","1","7","1") = "6"
    & skf21("2","6","5","1","4","2","1","1") = "5"
    & skf21("2","6","5","1","4","2","2","1") = "5"
    & skf21("2","6","5","1","4","2","3","1") = "5"
    & skf21("2","6","5","1","4","2","4","1") = "5"
    & skf21("2","6","5","1","4","2","5","1") = "5"
    & skf21("2","6","5","1","4","2","6","1") = "5"
    & skf21("2","6","5","1","4","2","7","1") = "6"
    & skf21("2","6","5","1","4","3","1","1") = "5"
    & skf21("2","6","5","1","4","3","2","1") = "5"
    & skf21("2","6","5","1","4","3","3","1") = "5"
    & skf21("2","6","5","1","4","3","4","1") = "5"
    & skf21("2","6","5","1","4","3","5","1") = "5"
    & skf21("2","6","5","1","4","3","6","1") = "5"
    & skf21("2","6","5","1","4","3","7","1") = "6"
    & skf21("2","6","5","1","4","4","1","1") = "5"
    & skf21("2","6","5","1","4","4","2","1") = "5"
    & skf21("2","6","5","1","4","4","3","1") = "5"
    & skf21("2","6","5","1","4","4","4","1") = "5"
    & skf21("2","6","5","1","4","4","5","1") = "5"
    & skf21("2","6","5","1","4","4","6","1") = "5"
    & skf21("2","6","5","1","4","4","7","1") = "6"
    & skf21("2","6","5","1","4","5","1","1") = "5"
    & skf21("2","6","5","1","4","5","2","1") = "5"
    & skf21("2","6","5","1","4","5","3","1") = "5"
    & skf21("2","6","5","1","4","5","4","1") = "5"
    & skf21("2","6","5","1","4","5","5","1") = "5"
    & skf21("2","6","5","1","4","5","6","1") = "5"
    & skf21("2","6","5","1","4","5","7","1") = "6"
    & skf21("2","6","5","1","4","6","1","1") = "5"
    & skf21("2","6","5","1","4","6","2","1") = "5"
    & skf21("2","6","5","1","4","6","3","1") = "5"
    & skf21("2","6","5","1","4","6","4","1") = "5"
    & skf21("2","6","5","1","4","6","5","1") = "5"
    & skf21("2","6","5","1","4","6","6","1") = "5"
    & skf21("2","6","5","1","4","6","7","1") = "6"
    & skf21("2","6","5","1","4","7","1","1") = "6"
    & skf21("2","6","5","1","4","7","2","1") = "6"
    & skf21("2","6","5","1","4","7","3","1") = "6"
    & skf21("2","6","5","1","4","7","4","1") = "6"
    & skf21("2","6","5","1","4","7","5","1") = "6"
    & skf21("2","6","5","1","4","7","6","1") = "6"
    & skf21("2","6","5","1","4","7","7","1") = "6"
    & skf21("2","6","5","1","5","1","1","1") = "5"
    & skf21("2","6","5","1","5","1","2","1") = "5"
    & skf21("2","6","5","1","5","1","3","1") = "5"
    & skf21("2","6","5","1","5","1","4","1") = "5"
    & skf21("2","6","5","1","5","1","5","1") = "5"
    & skf21("2","6","5","1","5","1","6","1") = "5"
    & skf21("2","6","5","1","5","1","7","1") = "6"
    & skf21("2","6","5","1","5","2","1","1") = "5"
    & skf21("2","6","5","1","5","2","2","1") = "5"
    & skf21("2","6","5","1","5","2","3","1") = "5"
    & skf21("2","6","5","1","5","2","4","1") = "5"
    & skf21("2","6","5","1","5","2","5","1") = "5"
    & skf21("2","6","5","1","5","2","6","1") = "5"
    & skf21("2","6","5","1","5","2","7","1") = "6"
    & skf21("2","6","5","1","5","3","1","1") = "5"
    & skf21("2","6","5","1","5","3","2","1") = "5"
    & skf21("2","6","5","1","5","3","3","1") = "5"
    & skf21("2","6","5","1","5","3","4","1") = "5"
    & skf21("2","6","5","1","5","3","5","1") = "5"
    & skf21("2","6","5","1","5","3","6","1") = "5"
    & skf21("2","6","5","1","5","3","7","1") = "6"
    & skf21("2","6","5","1","5","4","1","1") = "5"
    & skf21("2","6","5","1","5","4","2","1") = "5"
    & skf21("2","6","5","1","5","4","3","1") = "5"
    & skf21("2","6","5","1","5","4","4","1") = "5"
    & skf21("2","6","5","1","5","4","5","1") = "5"
    & skf21("2","6","5","1","5","4","6","1") = "5"
    & skf21("2","6","5","1","5","4","7","1") = "6"
    & skf21("2","6","5","1","5","5","1","1") = "5"
    & skf21("2","6","5","1","5","5","2","1") = "5"
    & skf21("2","6","5","1","5","5","3","1") = "5"
    & skf21("2","6","5","1","5","5","4","1") = "5"
    & skf21("2","6","5","1","5","5","5","1") = "5"
    & skf21("2","6","5","1","5","5","6","1") = "5"
    & skf21("2","6","5","1","5","5","7","1") = "6"
    & skf21("2","6","5","1","5","6","1","1") = "5"
    & skf21("2","6","5","1","5","6","2","1") = "5"
    & skf21("2","6","5","1","5","6","3","1") = "5"
    & skf21("2","6","5","1","5","6","4","1") = "5"
    & skf21("2","6","5","1","5","6","5","1") = "5"
    & skf21("2","6","5","1","5","6","6","1") = "5"
    & skf21("2","6","5","1","5","6","7","1") = "6"
    & skf21("2","6","5","1","5","7","1","1") = "6"
    & skf21("2","6","5","1","5","7","2","1") = "6"
    & skf21("2","6","5","1","5","7","3","1") = "6"
    & skf21("2","6","5","1","5","7","4","1") = "6"
    & skf21("2","6","5","1","5","7","5","1") = "6"
    & skf21("2","6","5","1","5","7","6","1") = "6"
    & skf21("2","6","5","1","5","7","7","1") = "6"
    & skf21("2","6","5","1","6","1","1","1") = "5"
    & skf21("2","6","5","1","6","1","2","1") = "5"
    & skf21("2","6","5","1","6","1","3","1") = "5"
    & skf21("2","6","5","1","6","1","4","1") = "5"
    & skf21("2","6","5","1","6","1","5","1") = "5"
    & skf21("2","6","5","1","6","1","6","1") = "5"
    & skf21("2","6","5","1","6","1","7","1") = "6"
    & skf21("2","6","5","1","6","2","1","1") = "5"
    & skf21("2","6","5","1","6","2","2","1") = "5"
    & skf21("2","6","5","1","6","2","3","1") = "5"
    & skf21("2","6","5","1","6","2","4","1") = "5"
    & skf21("2","6","5","1","6","2","5","1") = "5"
    & skf21("2","6","5","1","6","2","6","1") = "5"
    & skf21("2","6","5","1","6","2","7","1") = "6"
    & skf21("2","6","5","1","6","3","1","1") = "5"
    & skf21("2","6","5","1","6","3","2","1") = "5"
    & skf21("2","6","5","1","6","3","3","1") = "5"
    & skf21("2","6","5","1","6","3","4","1") = "5"
    & skf21("2","6","5","1","6","3","5","1") = "5"
    & skf21("2","6","5","1","6","3","6","1") = "5"
    & skf21("2","6","5","1","6","3","7","1") = "6"
    & skf21("2","6","5","1","6","4","1","1") = "5"
    & skf21("2","6","5","1","6","4","2","1") = "5"
    & skf21("2","6","5","1","6","4","3","1") = "5"
    & skf21("2","6","5","1","6","4","4","1") = "5"
    & skf21("2","6","5","1","6","4","5","1") = "5"
    & skf21("2","6","5","1","6","4","6","1") = "5"
    & skf21("2","6","5","1","6","4","7","1") = "6"
    & skf21("2","6","5","1","6","5","1","1") = "5"
    & skf21("2","6","5","1","6","5","2","1") = "5"
    & skf21("2","6","5","1","6","5","3","1") = "5"
    & skf21("2","6","5","1","6","5","4","1") = "5"
    & skf21("2","6","5","1","6","5","5","1") = "5"
    & skf21("2","6","5","1","6","5","6","1") = "5"
    & skf21("2","6","5","1","6","5","7","1") = "6"
    & skf21("2","6","5","1","6","6","1","1") = "5"
    & skf21("2","6","5","1","6","6","2","1") = "5"
    & skf21("2","6","5","1","6","6","3","1") = "5"
    & skf21("2","6","5","1","6","6","4","1") = "5"
    & skf21("2","6","5","1","6","6","5","1") = "5"
    & skf21("2","6","5","1","6","6","6","1") = "5"
    & skf21("2","6","5","1","6","6","7","1") = "6"
    & skf21("2","6","5","1","6","7","1","1") = "6"
    & skf21("2","6","5","1","6","7","2","1") = "6"
    & skf21("2","6","5","1","6","7","3","1") = "6"
    & skf21("2","6","5","1","6","7","4","1") = "6"
    & skf21("2","6","5","1","6","7","5","1") = "6"
    & skf21("2","6","5","1","6","7","6","1") = "6"
    & skf21("2","6","5","1","6","7","7","1") = "6"
    & skf21("2","6","5","1","7","1","1","1") = "6"
    & skf21("2","6","5","1","7","1","2","1") = "6"
    & skf21("2","6","5","1","7","1","3","1") = "6"
    & skf21("2","6","5","1","7","1","4","1") = "6"
    & skf21("2","6","5","1","7","1","5","1") = "6"
    & skf21("2","6","5","1","7","1","6","1") = "6"
    & skf21("2","6","5","1","7","1","7","1") = "6"
    & skf21("2","6","5","1","7","2","1","1") = "6"
    & skf21("2","6","5","1","7","2","2","1") = "6"
    & skf21("2","6","5","1","7","2","3","1") = "6"
    & skf21("2","6","5","1","7","2","4","1") = "6"
    & skf21("2","6","5","1","7","2","5","1") = "6"
    & skf21("2","6","5","1","7","2","6","1") = "6"
    & skf21("2","6","5","1","7","2","7","1") = "6"
    & skf21("2","6","5","1","7","3","1","1") = "6"
    & skf21("2","6","5","1","7","3","2","1") = "6"
    & skf21("2","6","5","1","7","3","3","1") = "6"
    & skf21("2","6","5","1","7","3","4","1") = "6"
    & skf21("2","6","5","1","7","3","5","1") = "6"
    & skf21("2","6","5","1","7","3","6","1") = "6"
    & skf21("2","6","5","1","7","3","7","1") = "6"
    & skf21("2","6","5","1","7","4","1","1") = "6"
    & skf21("2","6","5","1","7","4","2","1") = "6"
    & skf21("2","6","5","1","7","4","3","1") = "6"
    & skf21("2","6","5","1","7","4","4","1") = "6"
    & skf21("2","6","5","1","7","4","5","1") = "6"
    & skf21("2","6","5","1","7","4","6","1") = "6"
    & skf21("2","6","5","1","7","4","7","1") = "6"
    & skf21("2","6","5","1","7","5","1","1") = "6"
    & skf21("2","6","5","1","7","5","2","1") = "6"
    & skf21("2","6","5","1","7","5","3","1") = "6"
    & skf21("2","6","5","1","7","5","4","1") = "6"
    & skf21("2","6","5","1","7","5","5","1") = "6"
    & skf21("2","6","5","1","7","5","6","1") = "6"
    & skf21("2","6","5","1","7","5","7","1") = "6"
    & skf21("2","6","5","1","7","6","1","1") = "6"
    & skf21("2","6","5","1","7","6","2","1") = "6"
    & skf21("2","6","5","1","7","6","3","1") = "6"
    & skf21("2","6","5","1","7","6","4","1") = "6"
    & skf21("2","6","5","1","7","6","5","1") = "6"
    & skf21("2","6","5","1","7","6","6","1") = "6"
    & skf21("2","6","5","1","7","6","7","1") = "6"
    & skf21("2","6","5","1","7","7","1","1") = "6"
    & skf21("2","6","5","1","7","7","2","1") = "6"
    & skf21("2","6","5","1","7","7","3","1") = "6"
    & skf21("2","6","5","1","7","7","4","1") = "6"
    & skf21("2","6","5","1","7","7","5","1") = "6"
    & skf21("2","6","5","1","7","7","6","1") = "6"
    & skf21("2","6","5","1","7","7","7","1") = "6"
    & skf21("2","6","5","2","1","1","1","1") = "5"
    & skf21("2","6","5","2","1","1","2","1") = "5"
    & skf21("2","6","5","2","1","1","3","1") = "5"
    & skf21("2","6","5","2","1","1","4","1") = "5"
    & skf21("2","6","5","2","1","1","5","1") = "5"
    & skf21("2","6","5","2","1","1","6","1") = "5"
    & skf21("2","6","5","2","1","1","7","1") = "6"
    & skf21("2","6","5","2","1","2","1","1") = "5"
    & skf21("2","6","5","2","1","2","2","1") = "5"
    & skf21("2","6","5","2","1","2","3","1") = "5"
    & skf21("2","6","5","2","1","2","4","1") = "5"
    & skf21("2","6","5","2","1","2","5","1") = "5"
    & skf21("2","6","5","2","1","2","6","1") = "5"
    & skf21("2","6","5","2","1","2","7","1") = "6"
    & skf21("2","6","5","2","1","3","1","1") = "5"
    & skf21("2","6","5","2","1","3","2","1") = "5"
    & skf21("2","6","5","2","1","3","3","1") = "5"
    & skf21("2","6","5","2","1","3","4","1") = "5"
    & skf21("2","6","5","2","1","3","5","1") = "5"
    & skf21("2","6","5","2","1","3","6","1") = "5"
    & skf21("2","6","5","2","1","3","7","1") = "6"
    & skf21("2","6","5","2","1","4","1","1") = "5"
    & skf21("2","6","5","2","1","4","2","1") = "5"
    & skf21("2","6","5","2","1","4","3","1") = "5"
    & skf21("2","6","5","2","1","4","4","1") = "5"
    & skf21("2","6","5","2","1","4","5","1") = "5"
    & skf21("2","6","5","2","1","4","6","1") = "5"
    & skf21("2","6","5","2","1","4","7","1") = "6"
    & skf21("2","6","5","2","1","5","1","1") = "5"
    & skf21("2","6","5","2","1","5","2","1") = "5"
    & skf21("2","6","5","2","1","5","3","1") = "5"
    & skf21("2","6","5","2","1","5","4","1") = "5"
    & skf21("2","6","5","2","1","5","5","1") = "5"
    & skf21("2","6","5","2","1","5","6","1") = "5"
    & skf21("2","6","5","2","1","5","7","1") = "6"
    & skf21("2","6","5","2","1","6","1","1") = "5"
    & skf21("2","6","5","2","1","6","2","1") = "5"
    & skf21("2","6","5","2","1","6","3","1") = "5"
    & skf21("2","6","5","2","1","6","4","1") = "5"
    & skf21("2","6","5","2","1","6","5","1") = "5"
    & skf21("2","6","5","2","1","6","6","1") = "5"
    & skf21("2","6","5","2","1","6","7","1") = "6"
    & skf21("2","6","5","2","1","7","1","1") = "6"
    & skf21("2","6","5","2","1","7","2","1") = "6"
    & skf21("2","6","5","2","1","7","3","1") = "6"
    & skf21("2","6","5","2","1","7","4","1") = "6"
    & skf21("2","6","5","2","1","7","5","1") = "6"
    & skf21("2","6","5","2","1","7","6","1") = "6"
    & skf21("2","6","5","2","1","7","7","1") = "6"
    & skf21("2","6","5","2","2","1","1","1") = "5"
    & skf21("2","6","5","2","2","1","2","1") = "5"
    & skf21("2","6","5","2","2","1","3","1") = "5"
    & skf21("2","6","5","2","2","1","4","1") = "5"
    & skf21("2","6","5","2","2","1","5","1") = "5"
    & skf21("2","6","5","2","2","1","6","1") = "5"
    & skf21("2","6","5","2","2","1","7","1") = "6"
    & skf21("2","6","5","2","2","2","1","1") = "5"
    & skf21("2","6","5","2","2","2","2","1") = "5"
    & skf21("2","6","5","2","2","2","3","1") = "5"
    & skf21("2","6","5","2","2","2","4","1") = "5"
    & skf21("2","6","5","2","2","2","5","1") = "5"
    & skf21("2","6","5","2","2","2","6","1") = "5"
    & skf21("2","6","5","2","2","2","7","1") = "6"
    & skf21("2","6","5","2","2","3","1","1") = "5"
    & skf21("2","6","5","2","2","3","2","1") = "5"
    & skf21("2","6","5","2","2","3","3","1") = "5"
    & skf21("2","6","5","2","2","3","4","1") = "5"
    & skf21("2","6","5","2","2","3","5","1") = "5"
    & skf21("2","6","5","2","2","3","6","1") = "5"
    & skf21("2","6","5","2","2","3","7","1") = "6"
    & skf21("2","6","5","2","2","4","1","1") = "5"
    & skf21("2","6","5","2","2","4","2","1") = "5"
    & skf21("2","6","5","2","2","4","3","1") = "5"
    & skf21("2","6","5","2","2","4","4","1") = "5"
    & skf21("2","6","5","2","2","4","5","1") = "5"
    & skf21("2","6","5","2","2","4","6","1") = "5"
    & skf21("2","6","5","2","2","4","7","1") = "6"
    & skf21("2","6","5","2","2","5","1","1") = "5"
    & skf21("2","6","5","2","2","5","2","1") = "5"
    & skf21("2","6","5","2","2","5","3","1") = "5"
    & skf21("2","6","5","2","2","5","4","1") = "5"
    & skf21("2","6","5","2","2","5","5","1") = "5"
    & skf21("2","6","5","2","2","5","6","1") = "5"
    & skf21("2","6","5","2","2","5","7","1") = "6"
    & skf21("2","6","5","2","2","6","1","1") = "5"
    & skf21("2","6","5","2","2","6","2","1") = "5"
    & skf21("2","6","5","2","2","6","3","1") = "5"
    & skf21("2","6","5","2","2","6","4","1") = "5"
    & skf21("2","6","5","2","2","6","5","1") = "5"
    & skf21("2","6","5","2","2","6","6","1") = "5"
    & skf21("2","6","5","2","2","6","7","1") = "6"
    & skf21("2","6","5","2","2","7","1","1") = "6"
    & skf21("2","6","5","2","2","7","2","1") = "6"
    & skf21("2","6","5","2","2","7","3","1") = "6"
    & skf21("2","6","5","2","2","7","4","1") = "6"
    & skf21("2","6","5","2","2","7","5","1") = "6"
    & skf21("2","6","5","2","2","7","6","1") = "6"
    & skf21("2","6","5","2","2","7","7","1") = "6"
    & skf21("2","6","5","2","3","1","1","1") = "5"
    & skf21("2","6","5","2","3","1","2","1") = "5"
    & skf21("2","6","5","2","3","1","3","1") = "5"
    & skf21("2","6","5","2","3","1","4","1") = "5"
    & skf21("2","6","5","2","3","1","5","1") = "5"
    & skf21("2","6","5","2","3","1","6","1") = "5"
    & skf21("2","6","5","2","3","1","7","1") = "6"
    & skf21("2","6","5","2","3","2","1","1") = "5"
    & skf21("2","6","5","2","3","2","2","1") = "5"
    & skf21("2","6","5","2","3","2","3","1") = "5"
    & skf21("2","6","5","2","3","2","4","1") = "5"
    & skf21("2","6","5","2","3","2","5","1") = "5"
    & skf21("2","6","5","2","3","2","6","1") = "5"
    & skf21("2","6","5","2","3","2","7","1") = "6"
    & skf21("2","6","5","2","3","3","1","1") = "5"
    & skf21("2","6","5","2","3","3","2","1") = "5"
    & skf21("2","6","5","2","3","3","3","1") = "5"
    & skf21("2","6","5","2","3","3","4","1") = "5"
    & skf21("2","6","5","2","3","3","5","1") = "5"
    & skf21("2","6","5","2","3","3","6","1") = "5"
    & skf21("2","6","5","2","3","3","7","1") = "6"
    & skf21("2","6","5","2","3","4","1","1") = "5"
    & skf21("2","6","5","2","3","4","2","1") = "5"
    & skf21("2","6","5","2","3","4","3","1") = "5"
    & skf21("2","6","5","2","3","4","4","1") = "5"
    & skf21("2","6","5","2","3","4","5","1") = "5"
    & skf21("2","6","5","2","3","4","6","1") = "5"
    & skf21("2","6","5","2","3","4","7","1") = "6"
    & skf21("2","6","5","2","3","5","1","1") = "5"
    & skf21("2","6","5","2","3","5","2","1") = "5"
    & skf21("2","6","5","2","3","5","3","1") = "5"
    & skf21("2","6","5","2","3","5","4","1") = "5"
    & skf21("2","6","5","2","3","5","5","1") = "5"
    & skf21("2","6","5","2","3","5","6","1") = "5"
    & skf21("2","6","5","2","3","5","7","1") = "6"
    & skf21("2","6","5","2","3","6","1","1") = "5"
    & skf21("2","6","5","2","3","6","2","1") = "5"
    & skf21("2","6","5","2","3","6","3","1") = "5"
    & skf21("2","6","5","2","3","6","4","1") = "5"
    & skf21("2","6","5","2","3","6","5","1") = "5"
    & skf21("2","6","5","2","3","6","6","1") = "5"
    & skf21("2","6","5","2","3","6","7","1") = "6"
    & skf21("2","6","5","2","3","7","1","1") = "6"
    & skf21("2","6","5","2","3","7","2","1") = "6"
    & skf21("2","6","5","2","3","7","3","1") = "6"
    & skf21("2","6","5","2","3","7","4","1") = "6"
    & skf21("2","6","5","2","3","7","5","1") = "6"
    & skf21("2","6","5","2","3","7","6","1") = "6"
    & skf21("2","6","5","2","3","7","7","1") = "6"
    & skf21("2","6","5","2","4","1","1","1") = "5"
    & skf21("2","6","5","2","4","1","2","1") = "5"
    & skf21("2","6","5","2","4","1","3","1") = "5"
    & skf21("2","6","5","2","4","1","4","1") = "5"
    & skf21("2","6","5","2","4","1","5","1") = "5"
    & skf21("2","6","5","2","4","1","6","1") = "5"
    & skf21("2","6","5","2","4","1","7","1") = "6"
    & skf21("2","6","5","2","4","2","1","1") = "5"
    & skf21("2","6","5","2","4","2","2","1") = "5"
    & skf21("2","6","5","2","4","2","3","1") = "5"
    & skf21("2","6","5","2","4","2","4","1") = "5"
    & skf21("2","6","5","2","4","2","5","1") = "5"
    & skf21("2","6","5","2","4","2","6","1") = "5"
    & skf21("2","6","5","2","4","2","7","1") = "6"
    & skf21("2","6","5","2","4","3","1","1") = "5"
    & skf21("2","6","5","2","4","3","2","1") = "5"
    & skf21("2","6","5","2","4","3","3","1") = "5"
    & skf21("2","6","5","2","4","3","4","1") = "5"
    & skf21("2","6","5","2","4","3","5","1") = "5"
    & skf21("2","6","5","2","4","3","6","1") = "5"
    & skf21("2","6","5","2","4","3","7","1") = "6"
    & skf21("2","6","5","2","4","4","1","1") = "5"
    & skf21("2","6","5","2","4","4","2","1") = "5"
    & skf21("2","6","5","2","4","4","3","1") = "5"
    & skf21("2","6","5","2","4","4","4","1") = "5"
    & skf21("2","6","5","2","4","4","5","1") = "5"
    & skf21("2","6","5","2","4","4","6","1") = "5"
    & skf21("2","6","5","2","4","4","7","1") = "6"
    & skf21("2","6","5","2","4","5","1","1") = "5"
    & skf21("2","6","5","2","4","5","2","1") = "5"
    & skf21("2","6","5","2","4","5","3","1") = "5"
    & skf21("2","6","5","2","4","5","4","1") = "5"
    & skf21("2","6","5","2","4","5","5","1") = "5"
    & skf21("2","6","5","2","4","5","6","1") = "5"
    & skf21("2","6","5","2","4","5","7","1") = "6"
    & skf21("2","6","5","2","4","6","1","1") = "5"
    & skf21("2","6","5","2","4","6","2","1") = "5"
    & skf21("2","6","5","2","4","6","3","1") = "5"
    & skf21("2","6","5","2","4","6","4","1") = "5"
    & skf21("2","6","5","2","4","6","5","1") = "5"
    & skf21("2","6","5","2","4","6","6","1") = "5"
    & skf21("2","6","5","2","4","6","7","1") = "6"
    & skf21("2","6","5","2","4","7","1","1") = "6"
    & skf21("2","6","5","2","4","7","2","1") = "6"
    & skf21("2","6","5","2","4","7","3","1") = "6"
    & skf21("2","6","5","2","4","7","4","1") = "6"
    & skf21("2","6","5","2","4","7","5","1") = "6"
    & skf21("2","6","5","2","4","7","6","1") = "6"
    & skf21("2","6","5","2","4","7","7","1") = "6"
    & skf21("2","6","5","2","5","1","1","1") = "5"
    & skf21("2","6","5","2","5","1","2","1") = "5"
    & skf21("2","6","5","2","5","1","3","1") = "5"
    & skf21("2","6","5","2","5","1","4","1") = "5"
    & skf21("2","6","5","2","5","1","5","1") = "5"
    & skf21("2","6","5","2","5","1","6","1") = "5"
    & skf21("2","6","5","2","5","1","7","1") = "6"
    & skf21("2","6","5","2","5","2","1","1") = "5"
    & skf21("2","6","5","2","5","2","2","1") = "5"
    & skf21("2","6","5","2","5","2","3","1") = "5"
    & skf21("2","6","5","2","5","2","4","1") = "5"
    & skf21("2","6","5","2","5","2","5","1") = "5"
    & skf21("2","6","5","2","5","2","6","1") = "5"
    & skf21("2","6","5","2","5","2","7","1") = "6"
    & skf21("2","6","5","2","5","3","1","1") = "5"
    & skf21("2","6","5","2","5","3","2","1") = "5"
    & skf21("2","6","5","2","5","3","3","1") = "5"
    & skf21("2","6","5","2","5","3","4","1") = "5"
    & skf21("2","6","5","2","5","3","5","1") = "5"
    & skf21("2","6","5","2","5","3","6","1") = "5"
    & skf21("2","6","5","2","5","3","7","1") = "6"
    & skf21("2","6","5","2","5","4","1","1") = "5"
    & skf21("2","6","5","2","5","4","2","1") = "5"
    & skf21("2","6","5","2","5","4","3","1") = "5"
    & skf21("2","6","5","2","5","4","4","1") = "5"
    & skf21("2","6","5","2","5","4","5","1") = "5"
    & skf21("2","6","5","2","5","4","6","1") = "5"
    & skf21("2","6","5","2","5","4","7","1") = "6"
    & skf21("2","6","5","2","5","5","1","1") = "5"
    & skf21("2","6","5","2","5","5","2","1") = "5"
    & skf21("2","6","5","2","5","5","3","1") = "5"
    & skf21("2","6","5","2","5","5","4","1") = "5"
    & skf21("2","6","5","2","5","5","5","1") = "5"
    & skf21("2","6","5","2","5","5","6","1") = "5"
    & skf21("2","6","5","2","5","5","7","1") = "6"
    & skf21("2","6","5","2","5","6","1","1") = "5"
    & skf21("2","6","5","2","5","6","2","1") = "5"
    & skf21("2","6","5","2","5","6","3","1") = "5"
    & skf21("2","6","5","2","5","6","4","1") = "5"
    & skf21("2","6","5","2","5","6","5","1") = "5"
    & skf21("2","6","5","2","5","6","6","1") = "5"
    & skf21("2","6","5","2","5","6","7","1") = "6"
    & skf21("2","6","5","2","5","7","1","1") = "6"
    & skf21("2","6","5","2","5","7","2","1") = "6"
    & skf21("2","6","5","2","5","7","3","1") = "6"
    & skf21("2","6","5","2","5","7","4","1") = "6"
    & skf21("2","6","5","2","5","7","5","1") = "6"
    & skf21("2","6","5","2","5","7","6","1") = "6"
    & skf21("2","6","5","2","5","7","7","1") = "6"
    & skf21("2","6","5","2","6","1","1","1") = "5"
    & skf21("2","6","5","2","6","1","2","1") = "5"
    & skf21("2","6","5","2","6","1","3","1") = "5"
    & skf21("2","6","5","2","6","1","4","1") = "5"
    & skf21("2","6","5","2","6","1","5","1") = "5"
    & skf21("2","6","5","2","6","1","6","1") = "5"
    & skf21("2","6","5","2","6","1","7","1") = "6"
    & skf21("2","6","5","2","6","2","1","1") = "5"
    & skf21("2","6","5","2","6","2","2","1") = "5"
    & skf21("2","6","5","2","6","2","3","1") = "5"
    & skf21("2","6","5","2","6","2","4","1") = "5"
    & skf21("2","6","5","2","6","2","5","1") = "5"
    & skf21("2","6","5","2","6","2","6","1") = "5"
    & skf21("2","6","5","2","6","2","7","1") = "6"
    & skf21("2","6","5","2","6","3","1","1") = "5"
    & skf21("2","6","5","2","6","3","2","1") = "5"
    & skf21("2","6","5","2","6","3","3","1") = "5"
    & skf21("2","6","5","2","6","3","4","1") = "5"
    & skf21("2","6","5","2","6","3","5","1") = "5"
    & skf21("2","6","5","2","6","3","6","1") = "5"
    & skf21("2","6","5","2","6","3","7","1") = "6"
    & skf21("2","6","5","2","6","4","1","1") = "5"
    & skf21("2","6","5","2","6","4","2","1") = "5"
    & skf21("2","6","5","2","6","4","3","1") = "5"
    & skf21("2","6","5","2","6","4","4","1") = "5"
    & skf21("2","6","5","2","6","4","5","1") = "5"
    & skf21("2","6","5","2","6","4","6","1") = "5"
    & skf21("2","6","5","2","6","4","7","1") = "6"
    & skf21("2","6","5","2","6","5","1","1") = "5"
    & skf21("2","6","5","2","6","5","2","1") = "5"
    & skf21("2","6","5","2","6","5","3","1") = "5"
    & skf21("2","6","5","2","6","5","4","1") = "5"
    & skf21("2","6","5","2","6","5","5","1") = "5"
    & skf21("2","6","5","2","6","5","6","1") = "5"
    & skf21("2","6","5","2","6","5","7","1") = "6"
    & skf21("2","6","5","2","6","6","1","1") = "5"
    & skf21("2","6","5","2","6","6","2","1") = "5"
    & skf21("2","6","5","2","6","6","3","1") = "5"
    & skf21("2","6","5","2","6","6","4","1") = "5"
    & skf21("2","6","5","2","6","6","5","1") = "5"
    & skf21("2","6","5","2","6","6","6","1") = "5"
    & skf21("2","6","5","2","6","6","7","1") = "6"
    & skf21("2","6","5","2","6","7","1","1") = "6"
    & skf21("2","6","5","2","6","7","2","1") = "6"
    & skf21("2","6","5","2","6","7","3","1") = "6"
    & skf21("2","6","5","2","6","7","4","1") = "6"
    & skf21("2","6","5","2","6","7","5","1") = "6"
    & skf21("2","6","5","2","6","7","6","1") = "6"
    & skf21("2","6","5","2","6","7","7","1") = "6"
    & skf21("2","6","5","2","7","1","1","1") = "6"
    & skf21("2","6","5","2","7","1","2","1") = "6"
    & skf21("2","6","5","2","7","1","3","1") = "6"
    & skf21("2","6","5","2","7","1","4","1") = "6"
    & skf21("2","6","5","2","7","1","5","1") = "6"
    & skf21("2","6","5","2","7","1","6","1") = "6"
    & skf21("2","6","5","2","7","1","7","1") = "6"
    & skf21("2","6","5","2","7","2","1","1") = "6"
    & skf21("2","6","5","2","7","2","2","1") = "6"
    & skf21("2","6","5","2","7","2","3","1") = "6"
    & skf21("2","6","5","2","7","2","4","1") = "6"
    & skf21("2","6","5","2","7","2","5","1") = "6"
    & skf21("2","6","5","2","7","2","6","1") = "6"
    & skf21("2","6","5","2","7","2","7","1") = "6"
    & skf21("2","6","5","2","7","3","1","1") = "6"
    & skf21("2","6","5","2","7","3","2","1") = "6"
    & skf21("2","6","5","2","7","3","3","1") = "6"
    & skf21("2","6","5","2","7","3","4","1") = "6"
    & skf21("2","6","5","2","7","3","5","1") = "6"
    & skf21("2","6","5","2","7","3","6","1") = "6"
    & skf21("2","6","5","2","7","3","7","1") = "6"
    & skf21("2","6","5","2","7","4","1","1") = "6"
    & skf21("2","6","5","2","7","4","2","1") = "6"
    & skf21("2","6","5","2","7","4","3","1") = "6"
    & skf21("2","6","5","2","7","4","4","1") = "6"
    & skf21("2","6","5","2","7","4","5","1") = "6"
    & skf21("2","6","5","2","7","4","6","1") = "6"
    & skf21("2","6","5","2","7","4","7","1") = "6"
    & skf21("2","6","5","2","7","5","1","1") = "6"
    & skf21("2","6","5","2","7","5","2","1") = "6"
    & skf21("2","6","5","2","7","5","3","1") = "6"
    & skf21("2","6","5","2","7","5","4","1") = "6"
    & skf21("2","6","5","2","7","5","5","1") = "6"
    & skf21("2","6","5","2","7","5","6","1") = "6"
    & skf21("2","6","5","2","7","5","7","1") = "6"
    & skf21("2","6","5","2","7","6","1","1") = "6"
    & skf21("2","6","5","2","7","6","2","1") = "6"
    & skf21("2","6","5","2","7","6","3","1") = "6"
    & skf21("2","6","5","2","7","6","4","1") = "6"
    & skf21("2","6","5","2","7","6","5","1") = "6"
    & skf21("2","6","5","2","7","6","6","1") = "6"
    & skf21("2","6","5","2","7","6","7","1") = "6"
    & skf21("2","6","5","2","7","7","1","1") = "6"
    & skf21("2","6","5","2","7","7","2","1") = "6"
    & skf21("2","6","5","2","7","7","3","1") = "6"
    & skf21("2","6","5","2","7","7","4","1") = "6"
    & skf21("2","6","5","2","7","7","5","1") = "6"
    & skf21("2","6","5","2","7","7","6","1") = "6"
    & skf21("2","6","5","2","7","7","7","1") = "6"
    & skf21("2","6","5","3","1","1","1","1") = "5"
    & skf21("2","6","5","3","1","1","2","1") = "5"
    & skf21("2","6","5","3","1","1","3","1") = "5"
    & skf21("2","6","5","3","1","1","4","1") = "5"
    & skf21("2","6","5","3","1","1","5","1") = "5"
    & skf21("2","6","5","3","1","1","6","1") = "5"
    & skf21("2","6","5","3","1","1","7","1") = "6"
    & skf21("2","6","5","3","1","2","1","1") = "5"
    & skf21("2","6","5","3","1","2","2","1") = "5"
    & skf21("2","6","5","3","1","2","3","1") = "5"
    & skf21("2","6","5","3","1","2","4","1") = "5"
    & skf21("2","6","5","3","1","2","5","1") = "5"
    & skf21("2","6","5","3","1","2","6","1") = "5"
    & skf21("2","6","5","3","1","2","7","1") = "6"
    & skf21("2","6","5","3","1","3","1","1") = "5"
    & skf21("2","6","5","3","1","3","2","1") = "5"
    & skf21("2","6","5","3","1","3","3","1") = "5"
    & skf21("2","6","5","3","1","3","4","1") = "5"
    & skf21("2","6","5","3","1","3","5","1") = "5"
    & skf21("2","6","5","3","1","3","6","1") = "5"
    & skf21("2","6","5","3","1","3","7","1") = "6"
    & skf21("2","6","5","3","1","4","1","1") = "5"
    & skf21("2","6","5","3","1","4","2","1") = "5"
    & skf21("2","6","5","3","1","4","3","1") = "5"
    & skf21("2","6","5","3","1","4","4","1") = "5"
    & skf21("2","6","5","3","1","4","5","1") = "5"
    & skf21("2","6","5","3","1","4","6","1") = "5"
    & skf21("2","6","5","3","1","4","7","1") = "6"
    & skf21("2","6","5","3","1","5","1","1") = "5"
    & skf21("2","6","5","3","1","5","2","1") = "5"
    & skf21("2","6","5","3","1","5","3","1") = "5"
    & skf21("2","6","5","3","1","5","4","1") = "5"
    & skf21("2","6","5","3","1","5","5","1") = "5"
    & skf21("2","6","5","3","1","5","6","1") = "5"
    & skf21("2","6","5","3","1","5","7","1") = "6"
    & skf21("2","6","5","3","1","6","1","1") = "5"
    & skf21("2","6","5","3","1","6","2","1") = "5"
    & skf21("2","6","5","3","1","6","3","1") = "5"
    & skf21("2","6","5","3","1","6","4","1") = "5"
    & skf21("2","6","5","3","1","6","5","1") = "5"
    & skf21("2","6","5","3","1","6","6","1") = "5"
    & skf21("2","6","5","3","1","6","7","1") = "6"
    & skf21("2","6","5","3","1","7","1","1") = "6"
    & skf21("2","6","5","3","1","7","2","1") = "6"
    & skf21("2","6","5","3","1","7","3","1") = "6"
    & skf21("2","6","5","3","1","7","4","1") = "6"
    & skf21("2","6","5","3","1","7","5","1") = "6"
    & skf21("2","6","5","3","1","7","6","1") = "6"
    & skf21("2","6","5","3","1","7","7","1") = "6"
    & skf21("2","6","5","3","2","1","1","1") = "5"
    & skf21("2","6","5","3","2","1","2","1") = "5"
    & skf21("2","6","5","3","2","1","3","1") = "5"
    & skf21("2","6","5","3","2","1","4","1") = "5"
    & skf21("2","6","5","3","2","1","5","1") = "5"
    & skf21("2","6","5","3","2","1","6","1") = "5"
    & skf21("2","6","5","3","2","1","7","1") = "6"
    & skf21("2","6","5","3","2","2","1","1") = "5"
    & skf21("2","6","5","3","2","2","2","1") = "5"
    & skf21("2","6","5","3","2","2","3","1") = "5"
    & skf21("2","6","5","3","2","2","4","1") = "5"
    & skf21("2","6","5","3","2","2","5","1") = "5"
    & skf21("2","6","5","3","2","2","6","1") = "5"
    & skf21("2","6","5","3","2","2","7","1") = "6"
    & skf21("2","6","5","3","2","3","1","1") = "5"
    & skf21("2","6","5","3","2","3","2","1") = "5"
    & skf21("2","6","5","3","2","3","3","1") = "5"
    & skf21("2","6","5","3","2","3","4","1") = "5"
    & skf21("2","6","5","3","2","3","5","1") = "5"
    & skf21("2","6","5","3","2","3","6","1") = "5"
    & skf21("2","6","5","3","2","3","7","1") = "6"
    & skf21("2","6","5","3","2","4","1","1") = "5"
    & skf21("2","6","5","3","2","4","2","1") = "5"
    & skf21("2","6","5","3","2","4","3","1") = "5"
    & skf21("2","6","5","3","2","4","4","1") = "5"
    & skf21("2","6","5","3","2","4","5","1") = "5"
    & skf21("2","6","5","3","2","4","6","1") = "5"
    & skf21("2","6","5","3","2","4","7","1") = "6"
    & skf21("2","6","5","3","2","5","1","1") = "5"
    & skf21("2","6","5","3","2","5","2","1") = "5"
    & skf21("2","6","5","3","2","5","3","1") = "5"
    & skf21("2","6","5","3","2","5","4","1") = "5"
    & skf21("2","6","5","3","2","5","5","1") = "5"
    & skf21("2","6","5","3","2","5","6","1") = "5"
    & skf21("2","6","5","3","2","5","7","1") = "6"
    & skf21("2","6","5","3","2","6","1","1") = "5"
    & skf21("2","6","5","3","2","6","2","1") = "5"
    & skf21("2","6","5","3","2","6","3","1") = "5"
    & skf21("2","6","5","3","2","6","4","1") = "5"
    & skf21("2","6","5","3","2","6","5","1") = "5"
    & skf21("2","6","5","3","2","6","6","1") = "5"
    & skf21("2","6","5","3","2","6","7","1") = "6"
    & skf21("2","6","5","3","2","7","1","1") = "6"
    & skf21("2","6","5","3","2","7","2","1") = "6"
    & skf21("2","6","5","3","2","7","3","1") = "6"
    & skf21("2","6","5","3","2","7","4","1") = "6"
    & skf21("2","6","5","3","2","7","5","1") = "6"
    & skf21("2","6","5","3","2","7","6","1") = "6"
    & skf21("2","6","5","3","2","7","7","1") = "6"
    & skf21("2","6","5","3","3","1","1","1") = "5"
    & skf21("2","6","5","3","3","1","2","1") = "5"
    & skf21("2","6","5","3","3","1","3","1") = "5"
    & skf21("2","6","5","3","3","1","4","1") = "5"
    & skf21("2","6","5","3","3","1","5","1") = "5"
    & skf21("2","6","5","3","3","1","6","1") = "5"
    & skf21("2","6","5","3","3","1","7","1") = "6"
    & skf21("2","6","5","3","3","2","1","1") = "5"
    & skf21("2","6","5","3","3","2","2","1") = "5"
    & skf21("2","6","5","3","3","2","3","1") = "5"
    & skf21("2","6","5","3","3","2","4","1") = "5"
    & skf21("2","6","5","3","3","2","5","1") = "5"
    & skf21("2","6","5","3","3","2","6","1") = "5"
    & skf21("2","6","5","3","3","2","7","1") = "6"
    & skf21("2","6","5","3","3","3","1","1") = "5"
    & skf21("2","6","5","3","3","3","2","1") = "5"
    & skf21("2","6","5","3","3","3","3","1") = "5"
    & skf21("2","6","5","3","3","3","4","1") = "5"
    & skf21("2","6","5","3","3","3","5","1") = "5"
    & skf21("2","6","5","3","3","3","6","1") = "5"
    & skf21("2","6","5","3","3","3","7","1") = "6"
    & skf21("2","6","5","3","3","4","1","1") = "5"
    & skf21("2","6","5","3","3","4","2","1") = "5"
    & skf21("2","6","5","3","3","4","3","1") = "5"
    & skf21("2","6","5","3","3","4","4","1") = "5"
    & skf21("2","6","5","3","3","4","5","1") = "5"
    & skf21("2","6","5","3","3","4","6","1") = "5"
    & skf21("2","6","5","3","3","4","7","1") = "6"
    & skf21("2","6","5","3","3","5","1","1") = "5"
    & skf21("2","6","5","3","3","5","2","1") = "5"
    & skf21("2","6","5","3","3","5","3","1") = "5"
    & skf21("2","6","5","3","3","5","4","1") = "5"
    & skf21("2","6","5","3","3","5","5","1") = "5"
    & skf21("2","6","5","3","3","5","6","1") = "5"
    & skf21("2","6","5","3","3","5","7","1") = "6"
    & skf21("2","6","5","3","3","6","1","1") = "5"
    & skf21("2","6","5","3","3","6","2","1") = "5"
    & skf21("2","6","5","3","3","6","3","1") = "5"
    & skf21("2","6","5","3","3","6","4","1") = "5"
    & skf21("2","6","5","3","3","6","5","1") = "5"
    & skf21("2","6","5","3","3","6","6","1") = "5"
    & skf21("2","6","5","3","3","6","7","1") = "6"
    & skf21("2","6","5","3","3","7","1","1") = "6"
    & skf21("2","6","5","3","3","7","2","1") = "6"
    & skf21("2","6","5","3","3","7","3","1") = "6"
    & skf21("2","6","5","3","3","7","4","1") = "6"
    & skf21("2","6","5","3","3","7","5","1") = "6"
    & skf21("2","6","5","3","3","7","6","1") = "6"
    & skf21("2","6","5","3","3","7","7","1") = "6"
    & skf21("2","6","5","3","4","1","1","1") = "5"
    & skf21("2","6","5","3","4","1","2","1") = "5"
    & skf21("2","6","5","3","4","1","3","1") = "5"
    & skf21("2","6","5","3","4","1","4","1") = "5"
    & skf21("2","6","5","3","4","1","5","1") = "5"
    & skf21("2","6","5","3","4","1","6","1") = "5"
    & skf21("2","6","5","3","4","1","7","1") = "6"
    & skf21("2","6","5","3","4","2","1","1") = "5"
    & skf21("2","6","5","3","4","2","2","1") = "5"
    & skf21("2","6","5","3","4","2","3","1") = "5"
    & skf21("2","6","5","3","4","2","4","1") = "5"
    & skf21("2","6","5","3","4","2","5","1") = "5"
    & skf21("2","6","5","3","4","2","6","1") = "5"
    & skf21("2","6","5","3","4","2","7","1") = "6"
    & skf21("2","6","5","3","4","3","1","1") = "5"
    & skf21("2","6","5","3","4","3","2","1") = "5"
    & skf21("2","6","5","3","4","3","3","1") = "5"
    & skf21("2","6","5","3","4","3","4","1") = "5"
    & skf21("2","6","5","3","4","3","5","1") = "5"
    & skf21("2","6","5","3","4","3","6","1") = "5"
    & skf21("2","6","5","3","4","3","7","1") = "6"
    & skf21("2","6","5","3","4","4","1","1") = "5"
    & skf21("2","6","5","3","4","4","2","1") = "5"
    & skf21("2","6","5","3","4","4","3","1") = "5"
    & skf21("2","6","5","3","4","4","4","1") = "5"
    & skf21("2","6","5","3","4","4","5","1") = "5"
    & skf21("2","6","5","3","4","4","6","1") = "5"
    & skf21("2","6","5","3","4","4","7","1") = "6"
    & skf21("2","6","5","3","4","5","1","1") = "5"
    & skf21("2","6","5","3","4","5","2","1") = "5"
    & skf21("2","6","5","3","4","5","3","1") = "5"
    & skf21("2","6","5","3","4","5","4","1") = "5"
    & skf21("2","6","5","3","4","5","5","1") = "5"
    & skf21("2","6","5","3","4","5","6","1") = "5"
    & skf21("2","6","5","3","4","5","7","1") = "6"
    & skf21("2","6","5","3","4","6","1","1") = "5"
    & skf21("2","6","5","3","4","6","2","1") = "5"
    & skf21("2","6","5","3","4","6","3","1") = "5"
    & skf21("2","6","5","3","4","6","4","1") = "5"
    & skf21("2","6","5","3","4","6","5","1") = "5"
    & skf21("2","6","5","3","4","6","6","1") = "5"
    & skf21("2","6","5","3","4","6","7","1") = "6"
    & skf21("2","6","5","3","4","7","1","1") = "6"
    & skf21("2","6","5","3","4","7","2","1") = "6"
    & skf21("2","6","5","3","4","7","3","1") = "6"
    & skf21("2","6","5","3","4","7","4","1") = "6"
    & skf21("2","6","5","3","4","7","5","1") = "6"
    & skf21("2","6","5","3","4","7","6","1") = "6"
    & skf21("2","6","5","3","4","7","7","1") = "6"
    & skf21("2","6","5","3","5","1","1","1") = "5"
    & skf21("2","6","5","3","5","1","2","1") = "5"
    & skf21("2","6","5","3","5","1","3","1") = "5"
    & skf21("2","6","5","3","5","1","4","1") = "5"
    & skf21("2","6","5","3","5","1","5","1") = "5"
    & skf21("2","6","5","3","5","1","6","1") = "5"
    & skf21("2","6","5","3","5","1","7","1") = "6"
    & skf21("2","6","5","3","5","2","1","1") = "5"
    & skf21("2","6","5","3","5","2","2","1") = "5"
    & skf21("2","6","5","3","5","2","3","1") = "5"
    & skf21("2","6","5","3","5","2","4","1") = "5"
    & skf21("2","6","5","3","5","2","5","1") = "5"
    & skf21("2","6","5","3","5","2","6","1") = "5"
    & skf21("2","6","5","3","5","2","7","1") = "6"
    & skf21("2","6","5","3","5","3","1","1") = "5"
    & skf21("2","6","5","3","5","3","2","1") = "5"
    & skf21("2","6","5","3","5","3","3","1") = "5"
    & skf21("2","6","5","3","5","3","4","1") = "5"
    & skf21("2","6","5","3","5","3","5","1") = "5"
    & skf21("2","6","5","3","5","3","6","1") = "5"
    & skf21("2","6","5","3","5","3","7","1") = "6"
    & skf21("2","6","5","3","5","4","1","1") = "5"
    & skf21("2","6","5","3","5","4","2","1") = "5"
    & skf21("2","6","5","3","5","4","3","1") = "5"
    & skf21("2","6","5","3","5","4","4","1") = "5"
    & skf21("2","6","5","3","5","4","5","1") = "5"
    & skf21("2","6","5","3","5","4","6","1") = "5"
    & skf21("2","6","5","3","5","4","7","1") = "6"
    & skf21("2","6","5","3","5","5","1","1") = "5"
    & skf21("2","6","5","3","5","5","2","1") = "5"
    & skf21("2","6","5","3","5","5","3","1") = "5"
    & skf21("2","6","5","3","5","5","4","1") = "5"
    & skf21("2","6","5","3","5","5","5","1") = "5"
    & skf21("2","6","5","3","5","5","6","1") = "5"
    & skf21("2","6","5","3","5","5","7","1") = "6"
    & skf21("2","6","5","3","5","6","1","1") = "5"
    & skf21("2","6","5","3","5","6","2","1") = "5"
    & skf21("2","6","5","3","5","6","3","1") = "5"
    & skf21("2","6","5","3","5","6","4","1") = "5"
    & skf21("2","6","5","3","5","6","5","1") = "5"
    & skf21("2","6","5","3","5","6","6","1") = "5"
    & skf21("2","6","5","3","5","6","7","1") = "6"
    & skf21("2","6","5","3","5","7","1","1") = "6"
    & skf21("2","6","5","3","5","7","2","1") = "6"
    & skf21("2","6","5","3","5","7","3","1") = "6"
    & skf21("2","6","5","3","5","7","4","1") = "6"
    & skf21("2","6","5","3","5","7","5","1") = "6"
    & skf21("2","6","5","3","5","7","6","1") = "6"
    & skf21("2","6","5","3","5","7","7","1") = "6"
    & skf21("2","6","5","3","6","1","1","1") = "5"
    & skf21("2","6","5","3","6","1","2","1") = "5"
    & skf21("2","6","5","3","6","1","3","1") = "5"
    & skf21("2","6","5","3","6","1","4","1") = "5"
    & skf21("2","6","5","3","6","1","5","1") = "5"
    & skf21("2","6","5","3","6","1","6","1") = "5"
    & skf21("2","6","5","3","6","1","7","1") = "6"
    & skf21("2","6","5","3","6","2","1","1") = "5"
    & skf21("2","6","5","3","6","2","2","1") = "5"
    & skf21("2","6","5","3","6","2","3","1") = "5"
    & skf21("2","6","5","3","6","2","4","1") = "5"
    & skf21("2","6","5","3","6","2","5","1") = "5"
    & skf21("2","6","5","3","6","2","6","1") = "5"
    & skf21("2","6","5","3","6","2","7","1") = "6"
    & skf21("2","6","5","3","6","3","1","1") = "5"
    & skf21("2","6","5","3","6","3","2","1") = "5"
    & skf21("2","6","5","3","6","3","3","1") = "5"
    & skf21("2","6","5","3","6","3","4","1") = "5"
    & skf21("2","6","5","3","6","3","5","1") = "5"
    & skf21("2","6","5","3","6","3","6","1") = "5"
    & skf21("2","6","5","3","6","3","7","1") = "6"
    & skf21("2","6","5","3","6","4","1","1") = "5"
    & skf21("2","6","5","3","6","4","2","1") = "5"
    & skf21("2","6","5","3","6","4","3","1") = "5"
    & skf21("2","6","5","3","6","4","4","1") = "5"
    & skf21("2","6","5","3","6","4","5","1") = "5"
    & skf21("2","6","5","3","6","4","6","1") = "5"
    & skf21("2","6","5","3","6","4","7","1") = "6"
    & skf21("2","6","5","3","6","5","1","1") = "5"
    & skf21("2","6","5","3","6","5","2","1") = "5"
    & skf21("2","6","5","3","6","5","3","1") = "5"
    & skf21("2","6","5","3","6","5","4","1") = "5"
    & skf21("2","6","5","3","6","5","5","1") = "5"
    & skf21("2","6","5","3","6","5","6","1") = "5"
    & skf21("2","6","5","3","6","5","7","1") = "6"
    & skf21("2","6","5","3","6","6","1","1") = "5"
    & skf21("2","6","5","3","6","6","2","1") = "5"
    & skf21("2","6","5","3","6","6","3","1") = "5"
    & skf21("2","6","5","3","6","6","4","1") = "5"
    & skf21("2","6","5","3","6","6","5","1") = "5"
    & skf21("2","6","5","3","6","6","6","1") = "5"
    & skf21("2","6","5","3","6","6","7","1") = "6"
    & skf21("2","6","5","3","6","7","1","1") = "6"
    & skf21("2","6","5","3","6","7","2","1") = "6"
    & skf21("2","6","5","3","6","7","3","1") = "6"
    & skf21("2","6","5","3","6","7","4","1") = "6"
    & skf21("2","6","5","3","6","7","5","1") = "6"
    & skf21("2","6","5","3","6","7","6","1") = "6"
    & skf21("2","6","5","3","6","7","7","1") = "6"
    & skf21("2","6","5","3","7","1","1","1") = "6"
    & skf21("2","6","5","3","7","1","2","1") = "6"
    & skf21("2","6","5","3","7","1","3","1") = "6"
    & skf21("2","6","5","3","7","1","4","1") = "6"
    & skf21("2","6","5","3","7","1","5","1") = "6"
    & skf21("2","6","5","3","7","1","6","1") = "6"
    & skf21("2","6","5","3","7","1","7","1") = "6"
    & skf21("2","6","5","3","7","2","1","1") = "6"
    & skf21("2","6","5","3","7","2","2","1") = "6"
    & skf21("2","6","5","3","7","2","3","1") = "6"
    & skf21("2","6","5","3","7","2","4","1") = "6"
    & skf21("2","6","5","3","7","2","5","1") = "6"
    & skf21("2","6","5","3","7","2","6","1") = "6"
    & skf21("2","6","5","3","7","2","7","1") = "6"
    & skf21("2","6","5","3","7","3","1","1") = "6"
    & skf21("2","6","5","3","7","3","2","1") = "6"
    & skf21("2","6","5","3","7","3","3","1") = "6"
    & skf21("2","6","5","3","7","3","4","1") = "6"
    & skf21("2","6","5","3","7","3","5","1") = "6"
    & skf21("2","6","5","3","7","3","6","1") = "6"
    & skf21("2","6","5","3","7","3","7","1") = "6"
    & skf21("2","6","5","3","7","4","1","1") = "6"
    & skf21("2","6","5","3","7","4","2","1") = "6"
    & skf21("2","6","5","3","7","4","3","1") = "6"
    & skf21("2","6","5","3","7","4","4","1") = "6"
    & skf21("2","6","5","3","7","4","5","1") = "6"
    & skf21("2","6","5","3","7","4","6","1") = "6"
    & skf21("2","6","5","3","7","4","7","1") = "6"
    & skf21("2","6","5","3","7","5","1","1") = "6"
    & skf21("2","6","5","3","7","5","2","1") = "6"
    & skf21("2","6","5","3","7","5","3","1") = "6"
    & skf21("2","6","5","3","7","5","4","1") = "6"
    & skf21("2","6","5","3","7","5","5","1") = "6"
    & skf21("2","6","5","3","7","5","6","1") = "6"
    & skf21("2","6","5","3","7","5","7","1") = "6"
    & skf21("2","6","5","3","7","6","1","1") = "6"
    & skf21("2","6","5","3","7","6","2","1") = "6"
    & skf21("2","6","5","3","7","6","3","1") = "6"
    & skf21("2","6","5","3","7","6","4","1") = "6"
    & skf21("2","6","5","3","7","6","5","1") = "6"
    & skf21("2","6","5","3","7","6","6","1") = "6"
    & skf21("2","6","5","3","7","6","7","1") = "6"
    & skf21("2","6","5","3","7","7","1","1") = "6"
    & skf21("2","6","5","3","7","7","2","1") = "6"
    & skf21("2","6","5","3","7","7","3","1") = "6"
    & skf21("2","6","5","3","7","7","4","1") = "6"
    & skf21("2","6","5","3","7","7","5","1") = "6"
    & skf21("2","6","5","3","7","7","6","1") = "6"
    & skf21("2","6","5","3","7","7","7","1") = "6"
    & skf21("2","6","5","4","1","1","1","1") = "5"
    & skf21("2","6","5","4","1","1","2","1") = "5"
    & skf21("2","6","5","4","1","1","3","1") = "5"
    & skf21("2","6","5","4","1","1","4","1") = "5"
    & skf21("2","6","5","4","1","1","5","1") = "5"
    & skf21("2","6","5","4","1","1","6","1") = "5"
    & skf21("2","6","5","4","1","1","7","1") = "6"
    & skf21("2","6","5","4","1","2","1","1") = "5"
    & skf21("2","6","5","4","1","2","2","1") = "5"
    & skf21("2","6","5","4","1","2","3","1") = "5"
    & skf21("2","6","5","4","1","2","4","1") = "5"
    & skf21("2","6","5","4","1","2","5","1") = "5"
    & skf21("2","6","5","4","1","2","6","1") = "5"
    & skf21("2","6","5","4","1","2","7","1") = "6"
    & skf21("2","6","5","4","1","3","1","1") = "5"
    & skf21("2","6","5","4","1","3","2","1") = "5"
    & skf21("2","6","5","4","1","3","3","1") = "5"
    & skf21("2","6","5","4","1","3","4","1") = "5"
    & skf21("2","6","5","4","1","3","5","1") = "5"
    & skf21("2","6","5","4","1","3","6","1") = "5"
    & skf21("2","6","5","4","1","3","7","1") = "6"
    & skf21("2","6","5","4","1","4","1","1") = "5"
    & skf21("2","6","5","4","1","4","2","1") = "5"
    & skf21("2","6","5","4","1","4","3","1") = "5"
    & skf21("2","6","5","4","1","4","4","1") = "5"
    & skf21("2","6","5","4","1","4","5","1") = "5"
    & skf21("2","6","5","4","1","4","6","1") = "5"
    & skf21("2","6","5","4","1","4","7","1") = "6"
    & skf21("2","6","5","4","1","5","1","1") = "5"
    & skf21("2","6","5","4","1","5","2","1") = "5"
    & skf21("2","6","5","4","1","5","3","1") = "5"
    & skf21("2","6","5","4","1","5","4","1") = "5"
    & skf21("2","6","5","4","1","5","5","1") = "5"
    & skf21("2","6","5","4","1","5","6","1") = "5"
    & skf21("2","6","5","4","1","5","7","1") = "6"
    & skf21("2","6","5","4","1","6","1","1") = "5"
    & skf21("2","6","5","4","1","6","2","1") = "5"
    & skf21("2","6","5","4","1","6","3","1") = "5"
    & skf21("2","6","5","4","1","6","4","1") = "5"
    & skf21("2","6","5","4","1","6","5","1") = "5"
    & skf21("2","6","5","4","1","6","6","1") = "5"
    & skf21("2","6","5","4","1","6","7","1") = "6"
    & skf21("2","6","5","4","1","7","1","1") = "6"
    & skf21("2","6","5","4","1","7","2","1") = "6"
    & skf21("2","6","5","4","1","7","3","1") = "6"
    & skf21("2","6","5","4","1","7","4","1") = "6"
    & skf21("2","6","5","4","1","7","5","1") = "6"
    & skf21("2","6","5","4","1","7","6","1") = "6"
    & skf21("2","6","5","4","1","7","7","1") = "6"
    & skf21("2","6","5","4","2","1","1","1") = "5"
    & skf21("2","6","5","4","2","1","2","1") = "5"
    & skf21("2","6","5","4","2","1","3","1") = "5"
    & skf21("2","6","5","4","2","1","4","1") = "5"
    & skf21("2","6","5","4","2","1","5","1") = "5"
    & skf21("2","6","5","4","2","1","6","1") = "5"
    & skf21("2","6","5","4","2","1","7","1") = "6"
    & skf21("2","6","5","4","2","2","1","1") = "5"
    & skf21("2","6","5","4","2","2","2","1") = "5"
    & skf21("2","6","5","4","2","2","3","1") = "5"
    & skf21("2","6","5","4","2","2","4","1") = "5"
    & skf21("2","6","5","4","2","2","5","1") = "5"
    & skf21("2","6","5","4","2","2","6","1") = "5"
    & skf21("2","6","5","4","2","2","7","1") = "6"
    & skf21("2","6","5","4","2","3","1","1") = "5"
    & skf21("2","6","5","4","2","3","2","1") = "5"
    & skf21("2","6","5","4","2","3","3","1") = "5"
    & skf21("2","6","5","4","2","3","4","1") = "5"
    & skf21("2","6","5","4","2","3","5","1") = "5"
    & skf21("2","6","5","4","2","3","6","1") = "5"
    & skf21("2","6","5","4","2","3","7","1") = "6"
    & skf21("2","6","5","4","2","4","1","1") = "5"
    & skf21("2","6","5","4","2","4","2","1") = "5"
    & skf21("2","6","5","4","2","4","3","1") = "5"
    & skf21("2","6","5","4","2","4","4","1") = "5"
    & skf21("2","6","5","4","2","4","5","1") = "5"
    & skf21("2","6","5","4","2","4","6","1") = "5"
    & skf21("2","6","5","4","2","4","7","1") = "6"
    & skf21("2","6","5","4","2","5","1","1") = "5"
    & skf21("2","6","5","4","2","5","2","1") = "5"
    & skf21("2","6","5","4","2","5","3","1") = "5"
    & skf21("2","6","5","4","2","5","4","1") = "5"
    & skf21("2","6","5","4","2","5","5","1") = "5"
    & skf21("2","6","5","4","2","5","6","1") = "5"
    & skf21("2","6","5","4","2","5","7","1") = "6"
    & skf21("2","6","5","4","2","6","1","1") = "5"
    & skf21("2","6","5","4","2","6","2","1") = "5"
    & skf21("2","6","5","4","2","6","3","1") = "5"
    & skf21("2","6","5","4","2","6","4","1") = "5"
    & skf21("2","6","5","4","2","6","5","1") = "5"
    & skf21("2","6","5","4","2","6","6","1") = "5"
    & skf21("2","6","5","4","2","6","7","1") = "6"
    & skf21("2","6","5","4","2","7","1","1") = "6"
    & skf21("2","6","5","4","2","7","2","1") = "6"
    & skf21("2","6","5","4","2","7","3","1") = "6"
    & skf21("2","6","5","4","2","7","4","1") = "6"
    & skf21("2","6","5","4","2","7","5","1") = "6"
    & skf21("2","6","5","4","2","7","6","1") = "6"
    & skf21("2","6","5","4","2","7","7","1") = "6"
    & skf21("2","6","5","4","3","1","1","1") = "5"
    & skf21("2","6","5","4","3","1","2","1") = "5"
    & skf21("2","6","5","4","3","1","3","1") = "5"
    & skf21("2","6","5","4","3","1","4","1") = "5"
    & skf21("2","6","5","4","3","1","5","1") = "5"
    & skf21("2","6","5","4","3","1","6","1") = "5"
    & skf21("2","6","5","4","3","1","7","1") = "6"
    & skf21("2","6","5","4","3","2","1","1") = "5"
    & skf21("2","6","5","4","3","2","2","1") = "5"
    & skf21("2","6","5","4","3","2","3","1") = "5"
    & skf21("2","6","5","4","3","2","4","1") = "5"
    & skf21("2","6","5","4","3","2","5","1") = "5"
    & skf21("2","6","5","4","3","2","6","1") = "5"
    & skf21("2","6","5","4","3","2","7","1") = "6"
    & skf21("2","6","5","4","3","3","1","1") = "5"
    & skf21("2","6","5","4","3","3","2","1") = "5"
    & skf21("2","6","5","4","3","3","3","1") = "5"
    & skf21("2","6","5","4","3","3","4","1") = "5"
    & skf21("2","6","5","4","3","3","5","1") = "5"
    & skf21("2","6","5","4","3","3","6","1") = "5"
    & skf21("2","6","5","4","3","3","7","1") = "6"
    & skf21("2","6","5","4","3","4","1","1") = "5"
    & skf21("2","6","5","4","3","4","2","1") = "5"
    & skf21("2","6","5","4","3","4","3","1") = "5"
    & skf21("2","6","5","4","3","4","4","1") = "5"
    & skf21("2","6","5","4","3","4","5","1") = "5"
    & skf21("2","6","5","4","3","4","6","1") = "5"
    & skf21("2","6","5","4","3","4","7","1") = "6"
    & skf21("2","6","5","4","3","5","1","1") = "5"
    & skf21("2","6","5","4","3","5","2","1") = "5"
    & skf21("2","6","5","4","3","5","3","1") = "5"
    & skf21("2","6","5","4","3","5","4","1") = "5"
    & skf21("2","6","5","4","3","5","5","1") = "5"
    & skf21("2","6","5","4","3","5","6","1") = "5"
    & skf21("2","6","5","4","3","5","7","1") = "6"
    & skf21("2","6","5","4","3","6","1","1") = "5"
    & skf21("2","6","5","4","3","6","2","1") = "5"
    & skf21("2","6","5","4","3","6","3","1") = "5"
    & skf21("2","6","5","4","3","6","4","1") = "5"
    & skf21("2","6","5","4","3","6","5","1") = "5"
    & skf21("2","6","5","4","3","6","6","1") = "5"
    & skf21("2","6","5","4","3","6","7","1") = "6"
    & skf21("2","6","5","4","3","7","1","1") = "6"
    & skf21("2","6","5","4","3","7","2","1") = "6"
    & skf21("2","6","5","4","3","7","3","1") = "6"
    & skf21("2","6","5","4","3","7","4","1") = "6"
    & skf21("2","6","5","4","3","7","5","1") = "6"
    & skf21("2","6","5","4","3","7","6","1") = "6"
    & skf21("2","6","5","4","3","7","7","1") = "6"
    & skf21("2","6","5","4","4","1","1","1") = "5"
    & skf21("2","6","5","4","4","1","2","1") = "5"
    & skf21("2","6","5","4","4","1","3","1") = "5"
    & skf21("2","6","5","4","4","1","4","1") = "5"
    & skf21("2","6","5","4","4","1","5","1") = "5"
    & skf21("2","6","5","4","4","1","6","1") = "5"
    & skf21("2","6","5","4","4","1","7","1") = "6"
    & skf21("2","6","5","4","4","2","1","1") = "5"
    & skf21("2","6","5","4","4","2","2","1") = "5"
    & skf21("2","6","5","4","4","2","3","1") = "5"
    & skf21("2","6","5","4","4","2","4","1") = "5"
    & skf21("2","6","5","4","4","2","5","1") = "5"
    & skf21("2","6","5","4","4","2","6","1") = "5"
    & skf21("2","6","5","4","4","2","7","1") = "6"
    & skf21("2","6","5","4","4","3","1","1") = "5"
    & skf21("2","6","5","4","4","3","2","1") = "5"
    & skf21("2","6","5","4","4","3","3","1") = "5"
    & skf21("2","6","5","4","4","3","4","1") = "5"
    & skf21("2","6","5","4","4","3","5","1") = "5"
    & skf21("2","6","5","4","4","3","6","1") = "5"
    & skf21("2","6","5","4","4","3","7","1") = "6"
    & skf21("2","6","5","4","4","4","1","1") = "5"
    & skf21("2","6","5","4","4","4","2","1") = "5"
    & skf21("2","6","5","4","4","4","3","1") = "5"
    & skf21("2","6","5","4","4","4","4","1") = "5"
    & skf21("2","6","5","4","4","4","5","1") = "5"
    & skf21("2","6","5","4","4","4","6","1") = "5"
    & skf21("2","6","5","4","4","4","7","1") = "6"
    & skf21("2","6","5","4","4","5","1","1") = "5"
    & skf21("2","6","5","4","4","5","2","1") = "5"
    & skf21("2","6","5","4","4","5","3","1") = "5"
    & skf21("2","6","5","4","4","5","4","1") = "5"
    & skf21("2","6","5","4","4","5","5","1") = "5"
    & skf21("2","6","5","4","4","5","6","1") = "5"
    & skf21("2","6","5","4","4","5","7","1") = "6"
    & skf21("2","6","5","4","4","6","1","1") = "5"
    & skf21("2","6","5","4","4","6","2","1") = "5"
    & skf21("2","6","5","4","4","6","3","1") = "5"
    & skf21("2","6","5","4","4","6","4","1") = "5"
    & skf21("2","6","5","4","4","6","5","1") = "5"
    & skf21("2","6","5","4","4","6","6","1") = "5"
    & skf21("2","6","5","4","4","6","7","1") = "6"
    & skf21("2","6","5","4","4","7","1","1") = "6"
    & skf21("2","6","5","4","4","7","2","1") = "6"
    & skf21("2","6","5","4","4","7","3","1") = "6"
    & skf21("2","6","5","4","4","7","4","1") = "6"
    & skf21("2","6","5","4","4","7","5","1") = "6"
    & skf21("2","6","5","4","4","7","6","1") = "6"
    & skf21("2","6","5","4","4","7","7","1") = "6"
    & skf21("2","6","5","4","5","1","1","1") = "5"
    & skf21("2","6","5","4","5","1","2","1") = "5"
    & skf21("2","6","5","4","5","1","3","1") = "5"
    & skf21("2","6","5","4","5","1","4","1") = "5"
    & skf21("2","6","5","4","5","1","5","1") = "5"
    & skf21("2","6","5","4","5","1","6","1") = "5"
    & skf21("2","6","5","4","5","1","7","1") = "6"
    & skf21("2","6","5","4","5","2","1","1") = "5"
    & skf21("2","6","5","4","5","2","2","1") = "5"
    & skf21("2","6","5","4","5","2","3","1") = "5"
    & skf21("2","6","5","4","5","2","4","1") = "5"
    & skf21("2","6","5","4","5","2","5","1") = "5"
    & skf21("2","6","5","4","5","2","6","1") = "5"
    & skf21("2","6","5","4","5","2","7","1") = "6"
    & skf21("2","6","5","4","5","3","1","1") = "5"
    & skf21("2","6","5","4","5","3","2","1") = "5"
    & skf21("2","6","5","4","5","3","3","1") = "5"
    & skf21("2","6","5","4","5","3","4","1") = "5"
    & skf21("2","6","5","4","5","3","5","1") = "5"
    & skf21("2","6","5","4","5","3","6","1") = "5"
    & skf21("2","6","5","4","5","3","7","1") = "6"
    & skf21("2","6","5","4","5","4","1","1") = "5"
    & skf21("2","6","5","4","5","4","2","1") = "5"
    & skf21("2","6","5","4","5","4","3","1") = "5"
    & skf21("2","6","5","4","5","4","4","1") = "5"
    & skf21("2","6","5","4","5","4","5","1") = "5"
    & skf21("2","6","5","4","5","4","6","1") = "5"
    & skf21("2","6","5","4","5","4","7","1") = "6"
    & skf21("2","6","5","4","5","5","1","1") = "5"
    & skf21("2","6","5","4","5","5","2","1") = "5"
    & skf21("2","6","5","4","5","5","3","1") = "5"
    & skf21("2","6","5","4","5","5","4","1") = "5"
    & skf21("2","6","5","4","5","5","5","1") = "5"
    & skf21("2","6","5","4","5","5","6","1") = "5"
    & skf21("2","6","5","4","5","5","7","1") = "6"
    & skf21("2","6","5","4","5","6","1","1") = "5"
    & skf21("2","6","5","4","5","6","2","1") = "5"
    & skf21("2","6","5","4","5","6","3","1") = "5"
    & skf21("2","6","5","4","5","6","4","1") = "5"
    & skf21("2","6","5","4","5","6","5","1") = "5"
    & skf21("2","6","5","4","5","6","6","1") = "5"
    & skf21("2","6","5","4","5","6","7","1") = "6"
    & skf21("2","6","5","4","5","7","1","1") = "6"
    & skf21("2","6","5","4","5","7","2","1") = "6"
    & skf21("2","6","5","4","5","7","3","1") = "6"
    & skf21("2","6","5","4","5","7","4","1") = "6"
    & skf21("2","6","5","4","5","7","5","1") = "6"
    & skf21("2","6","5","4","5","7","6","1") = "6"
    & skf21("2","6","5","4","5","7","7","1") = "6"
    & skf21("2","6","5","4","6","1","1","1") = "5"
    & skf21("2","6","5","4","6","1","2","1") = "5"
    & skf21("2","6","5","4","6","1","3","1") = "5"
    & skf21("2","6","5","4","6","1","4","1") = "5"
    & skf21("2","6","5","4","6","1","5","1") = "5"
    & skf21("2","6","5","4","6","1","6","1") = "5"
    & skf21("2","6","5","4","6","1","7","1") = "6"
    & skf21("2","6","5","4","6","2","1","1") = "5"
    & skf21("2","6","5","4","6","2","2","1") = "5"
    & skf21("2","6","5","4","6","2","3","1") = "5"
    & skf21("2","6","5","4","6","2","4","1") = "5"
    & skf21("2","6","5","4","6","2","5","1") = "5"
    & skf21("2","6","5","4","6","2","6","1") = "5"
    & skf21("2","6","5","4","6","2","7","1") = "6"
    & skf21("2","6","5","4","6","3","1","1") = "5"
    & skf21("2","6","5","4","6","3","2","1") = "5"
    & skf21("2","6","5","4","6","3","3","1") = "5"
    & skf21("2","6","5","4","6","3","4","1") = "5"
    & skf21("2","6","5","4","6","3","5","1") = "5"
    & skf21("2","6","5","4","6","3","6","1") = "5"
    & skf21("2","6","5","4","6","3","7","1") = "6"
    & skf21("2","6","5","4","6","4","1","1") = "5"
    & skf21("2","6","5","4","6","4","2","1") = "5"
    & skf21("2","6","5","4","6","4","3","1") = "5"
    & skf21("2","6","5","4","6","4","4","1") = "5"
    & skf21("2","6","5","4","6","4","5","1") = "5"
    & skf21("2","6","5","4","6","4","6","1") = "5"
    & skf21("2","6","5","4","6","4","7","1") = "6"
    & skf21("2","6","5","4","6","5","1","1") = "5"
    & skf21("2","6","5","4","6","5","2","1") = "5"
    & skf21("2","6","5","4","6","5","3","1") = "5"
    & skf21("2","6","5","4","6","5","4","1") = "5"
    & skf21("2","6","5","4","6","5","5","1") = "5"
    & skf21("2","6","5","4","6","5","6","1") = "5"
    & skf21("2","6","5","4","6","5","7","1") = "6"
    & skf21("2","6","5","4","6","6","1","1") = "5"
    & skf21("2","6","5","4","6","6","2","1") = "5"
    & skf21("2","6","5","4","6","6","3","1") = "5"
    & skf21("2","6","5","4","6","6","4","1") = "5"
    & skf21("2","6","5","4","6","6","5","1") = "5"
    & skf21("2","6","5","4","6","6","6","1") = "5"
    & skf21("2","6","5","4","6","6","7","1") = "6"
    & skf21("2","6","5","4","6","7","1","1") = "6"
    & skf21("2","6","5","4","6","7","2","1") = "6"
    & skf21("2","6","5","4","6","7","3","1") = "6"
    & skf21("2","6","5","4","6","7","4","1") = "6"
    & skf21("2","6","5","4","6","7","5","1") = "6"
    & skf21("2","6","5","4","6","7","6","1") = "6"
    & skf21("2","6","5","4","6","7","7","1") = "6"
    & skf21("2","6","5","4","7","1","1","1") = "6"
    & skf21("2","6","5","4","7","1","2","1") = "6"
    & skf21("2","6","5","4","7","1","3","1") = "6"
    & skf21("2","6","5","4","7","1","4","1") = "6"
    & skf21("2","6","5","4","7","1","5","1") = "6"
    & skf21("2","6","5","4","7","1","6","1") = "6"
    & skf21("2","6","5","4","7","1","7","1") = "6"
    & skf21("2","6","5","4","7","2","1","1") = "6"
    & skf21("2","6","5","4","7","2","2","1") = "6"
    & skf21("2","6","5","4","7","2","3","1") = "6"
    & skf21("2","6","5","4","7","2","4","1") = "6"
    & skf21("2","6","5","4","7","2","5","1") = "6"
    & skf21("2","6","5","4","7","2","6","1") = "6"
    & skf21("2","6","5","4","7","2","7","1") = "6"
    & skf21("2","6","5","4","7","3","1","1") = "6"
    & skf21("2","6","5","4","7","3","2","1") = "6"
    & skf21("2","6","5","4","7","3","3","1") = "6"
    & skf21("2","6","5","4","7","3","4","1") = "6"
    & skf21("2","6","5","4","7","3","5","1") = "6"
    & skf21("2","6","5","4","7","3","6","1") = "6"
    & skf21("2","6","5","4","7","3","7","1") = "6"
    & skf21("2","6","5","4","7","4","1","1") = "6"
    & skf21("2","6","5","4","7","4","2","1") = "6"
    & skf21("2","6","5","4","7","4","3","1") = "6"
    & skf21("2","6","5","4","7","4","4","1") = "6"
    & skf21("2","6","5","4","7","4","5","1") = "6"
    & skf21("2","6","5","4","7","4","6","1") = "6"
    & skf21("2","6","5","4","7","4","7","1") = "6"
    & skf21("2","6","5","4","7","5","1","1") = "6"
    & skf21("2","6","5","4","7","5","2","1") = "6"
    & skf21("2","6","5","4","7","5","3","1") = "6"
    & skf21("2","6","5","4","7","5","4","1") = "6"
    & skf21("2","6","5","4","7","5","5","1") = "6"
    & skf21("2","6","5","4","7","5","6","1") = "6"
    & skf21("2","6","5","4","7","5","7","1") = "6"
    & skf21("2","6","5","4","7","6","1","1") = "6"
    & skf21("2","6","5","4","7","6","2","1") = "6"
    & skf21("2","6","5","4","7","6","3","1") = "6"
    & skf21("2","6","5","4","7","6","4","1") = "6"
    & skf21("2","6","5","4","7","6","5","1") = "6"
    & skf21("2","6","5","4","7","6","6","1") = "6"
    & skf21("2","6","5","4","7","6","7","1") = "6"
    & skf21("2","6","5","4","7","7","1","1") = "6"
    & skf21("2","6","5","4","7","7","2","1") = "6"
    & skf21("2","6","5","4","7","7","3","1") = "6"
    & skf21("2","6","5","4","7","7","4","1") = "6"
    & skf21("2","6","5","4","7","7","5","1") = "6"
    & skf21("2","6","5","4","7","7","6","1") = "6"
    & skf21("2","6","5","4","7","7","7","1") = "6"
    & skf21("2","6","5","5","1","1","1","1") = "5"
    & skf21("2","6","5","5","1","1","2","1") = "5"
    & skf21("2","6","5","5","1","1","3","1") = "5"
    & skf21("2","6","5","5","1","1","4","1") = "5"
    & skf21("2","6","5","5","1","1","5","1") = "5"
    & skf21("2","6","5","5","1","1","6","1") = "5"
    & skf21("2","6","5","5","1","1","7","1") = "6"
    & skf21("2","6","5","5","1","2","1","1") = "5"
    & skf21("2","6","5","5","1","2","2","1") = "5"
    & skf21("2","6","5","5","1","2","3","1") = "5"
    & skf21("2","6","5","5","1","2","4","1") = "5"
    & skf21("2","6","5","5","1","2","5","1") = "5"
    & skf21("2","6","5","5","1","2","6","1") = "5"
    & skf21("2","6","5","5","1","2","7","1") = "6"
    & skf21("2","6","5","5","1","3","1","1") = "5"
    & skf21("2","6","5","5","1","3","2","1") = "5"
    & skf21("2","6","5","5","1","3","3","1") = "5"
    & skf21("2","6","5","5","1","3","4","1") = "5"
    & skf21("2","6","5","5","1","3","5","1") = "5"
    & skf21("2","6","5","5","1","3","6","1") = "5"
    & skf21("2","6","5","5","1","3","7","1") = "6"
    & skf21("2","6","5","5","1","4","1","1") = "5"
    & skf21("2","6","5","5","1","4","2","1") = "5"
    & skf21("2","6","5","5","1","4","3","1") = "5"
    & skf21("2","6","5","5","1","4","4","1") = "5"
    & skf21("2","6","5","5","1","4","5","1") = "5"
    & skf21("2","6","5","5","1","4","6","1") = "5"
    & skf21("2","6","5","5","1","4","7","1") = "6"
    & skf21("2","6","5","5","1","5","1","1") = "5"
    & skf21("2","6","5","5","1","5","2","1") = "5"
    & skf21("2","6","5","5","1","5","3","1") = "5"
    & skf21("2","6","5","5","1","5","4","1") = "5"
    & skf21("2","6","5","5","1","5","5","1") = "5"
    & skf21("2","6","5","5","1","5","6","1") = "5"
    & skf21("2","6","5","5","1","5","7","1") = "6"
    & skf21("2","6","5","5","1","6","1","1") = "5"
    & skf21("2","6","5","5","1","6","2","1") = "5"
    & skf21("2","6","5","5","1","6","3","1") = "5"
    & skf21("2","6","5","5","1","6","4","1") = "5"
    & skf21("2","6","5","5","1","6","5","1") = "5"
    & skf21("2","6","5","5","1","6","6","1") = "5"
    & skf21("2","6","5","5","1","6","7","1") = "6"
    & skf21("2","6","5","5","1","7","1","1") = "6"
    & skf21("2","6","5","5","1","7","2","1") = "6"
    & skf21("2","6","5","5","1","7","3","1") = "6"
    & skf21("2","6","5","5","1","7","4","1") = "6"
    & skf21("2","6","5","5","1","7","5","1") = "6"
    & skf21("2","6","5","5","1","7","6","1") = "6"
    & skf21("2","6","5","5","1","7","7","1") = "6"
    & skf21("2","6","5","5","2","1","1","1") = "5"
    & skf21("2","6","5","5","2","1","2","1") = "5"
    & skf21("2","6","5","5","2","1","3","1") = "5"
    & skf21("2","6","5","5","2","1","4","1") = "5"
    & skf21("2","6","5","5","2","1","5","1") = "5"
    & skf21("2","6","5","5","2","1","6","1") = "5"
    & skf21("2","6","5","5","2","1","7","1") = "6"
    & skf21("2","6","5","5","2","2","1","1") = "5"
    & skf21("2","6","5","5","2","2","2","1") = "5"
    & skf21("2","6","5","5","2","2","3","1") = "5"
    & skf21("2","6","5","5","2","2","4","1") = "5"
    & skf21("2","6","5","5","2","2","5","1") = "5"
    & skf21("2","6","5","5","2","2","6","1") = "5"
    & skf21("2","6","5","5","2","2","7","1") = "6"
    & skf21("2","6","5","5","2","3","1","1") = "5"
    & skf21("2","6","5","5","2","3","2","1") = "5"
    & skf21("2","6","5","5","2","3","3","1") = "5"
    & skf21("2","6","5","5","2","3","4","1") = "5"
    & skf21("2","6","5","5","2","3","5","1") = "5"
    & skf21("2","6","5","5","2","3","6","1") = "5"
    & skf21("2","6","5","5","2","3","7","1") = "6"
    & skf21("2","6","5","5","2","4","1","1") = "5"
    & skf21("2","6","5","5","2","4","2","1") = "5"
    & skf21("2","6","5","5","2","4","3","1") = "5"
    & skf21("2","6","5","5","2","4","4","1") = "5"
    & skf21("2","6","5","5","2","4","5","1") = "5"
    & skf21("2","6","5","5","2","4","6","1") = "5"
    & skf21("2","6","5","5","2","4","7","1") = "6"
    & skf21("2","6","5","5","2","5","1","1") = "5"
    & skf21("2","6","5","5","2","5","2","1") = "5"
    & skf21("2","6","5","5","2","5","3","1") = "5"
    & skf21("2","6","5","5","2","5","4","1") = "5"
    & skf21("2","6","5","5","2","5","5","1") = "5"
    & skf21("2","6","5","5","2","5","6","1") = "5"
    & skf21("2","6","5","5","2","5","7","1") = "6"
    & skf21("2","6","5","5","2","6","1","1") = "5"
    & skf21("2","6","5","5","2","6","2","1") = "5"
    & skf21("2","6","5","5","2","6","3","1") = "5"
    & skf21("2","6","5","5","2","6","4","1") = "5"
    & skf21("2","6","5","5","2","6","5","1") = "5"
    & skf21("2","6","5","5","2","6","6","1") = "5"
    & skf21("2","6","5","5","2","6","7","1") = "6"
    & skf21("2","6","5","5","2","7","1","1") = "6"
    & skf21("2","6","5","5","2","7","2","1") = "6"
    & skf21("2","6","5","5","2","7","3","1") = "6"
    & skf21("2","6","5","5","2","7","4","1") = "6"
    & skf21("2","6","5","5","2","7","5","1") = "6"
    & skf21("2","6","5","5","2","7","6","1") = "6"
    & skf21("2","6","5","5","2","7","7","1") = "6"
    & skf21("2","6","5","5","3","1","1","1") = "5"
    & skf21("2","6","5","5","3","1","2","1") = "5"
    & skf21("2","6","5","5","3","1","3","1") = "5"
    & skf21("2","6","5","5","3","1","4","1") = "5"
    & skf21("2","6","5","5","3","1","5","1") = "5"
    & skf21("2","6","5","5","3","1","6","1") = "5"
    & skf21("2","6","5","5","3","1","7","1") = "6"
    & skf21("2","6","5","5","3","2","1","1") = "5"
    & skf21("2","6","5","5","3","2","2","1") = "5"
    & skf21("2","6","5","5","3","2","3","1") = "5"
    & skf21("2","6","5","5","3","2","4","1") = "5"
    & skf21("2","6","5","5","3","2","5","1") = "5"
    & skf21("2","6","5","5","3","2","6","1") = "5"
    & skf21("2","6","5","5","3","2","7","1") = "6"
    & skf21("2","6","5","5","3","3","1","1") = "5"
    & skf21("2","6","5","5","3","3","2","1") = "5"
    & skf21("2","6","5","5","3","3","3","1") = "5"
    & skf21("2","6","5","5","3","3","4","1") = "5"
    & skf21("2","6","5","5","3","3","5","1") = "5"
    & skf21("2","6","5","5","3","3","6","1") = "5"
    & skf21("2","6","5","5","3","3","7","1") = "6"
    & skf21("2","6","5","5","3","4","1","1") = "5"
    & skf21("2","6","5","5","3","4","2","1") = "5"
    & skf21("2","6","5","5","3","4","3","1") = "5"
    & skf21("2","6","5","5","3","4","4","1") = "5"
    & skf21("2","6","5","5","3","4","5","1") = "5"
    & skf21("2","6","5","5","3","4","6","1") = "5"
    & skf21("2","6","5","5","3","4","7","1") = "6"
    & skf21("2","6","5","5","3","5","1","1") = "5"
    & skf21("2","6","5","5","3","5","2","1") = "5"
    & skf21("2","6","5","5","3","5","3","1") = "5"
    & skf21("2","6","5","5","3","5","4","1") = "5"
    & skf21("2","6","5","5","3","5","5","1") = "5"
    & skf21("2","6","5","5","3","5","6","1") = "5"
    & skf21("2","6","5","5","3","5","7","1") = "6"
    & skf21("2","6","5","5","3","6","1","1") = "5"
    & skf21("2","6","5","5","3","6","2","1") = "5"
    & skf21("2","6","5","5","3","6","3","1") = "5"
    & skf21("2","6","5","5","3","6","4","1") = "5"
    & skf21("2","6","5","5","3","6","5","1") = "5"
    & skf21("2","6","5","5","3","6","6","1") = "5"
    & skf21("2","6","5","5","3","6","7","1") = "6"
    & skf21("2","6","5","5","3","7","1","1") = "6"
    & skf21("2","6","5","5","3","7","2","1") = "6"
    & skf21("2","6","5","5","3","7","3","1") = "6"
    & skf21("2","6","5","5","3","7","4","1") = "6"
    & skf21("2","6","5","5","3","7","5","1") = "6"
    & skf21("2","6","5","5","3","7","6","1") = "6"
    & skf21("2","6","5","5","3","7","7","1") = "6"
    & skf21("2","6","5","5","4","1","1","1") = "5"
    & skf21("2","6","5","5","4","1","2","1") = "5"
    & skf21("2","6","5","5","4","1","3","1") = "5"
    & skf21("2","6","5","5","4","1","4","1") = "5"
    & skf21("2","6","5","5","4","1","5","1") = "5"
    & skf21("2","6","5","5","4","1","6","1") = "5"
    & skf21("2","6","5","5","4","1","7","1") = "6"
    & skf21("2","6","5","5","4","2","1","1") = "5"
    & skf21("2","6","5","5","4","2","2","1") = "5"
    & skf21("2","6","5","5","4","2","3","1") = "5"
    & skf21("2","6","5","5","4","2","4","1") = "5"
    & skf21("2","6","5","5","4","2","5","1") = "5"
    & skf21("2","6","5","5","4","2","6","1") = "5"
    & skf21("2","6","5","5","4","2","7","1") = "6"
    & skf21("2","6","5","5","4","3","1","1") = "5"
    & skf21("2","6","5","5","4","3","2","1") = "5"
    & skf21("2","6","5","5","4","3","3","1") = "5"
    & skf21("2","6","5","5","4","3","4","1") = "5"
    & skf21("2","6","5","5","4","3","5","1") = "5"
    & skf21("2","6","5","5","4","3","6","1") = "5"
    & skf21("2","6","5","5","4","3","7","1") = "6"
    & skf21("2","6","5","5","4","4","1","1") = "5"
    & skf21("2","6","5","5","4","4","2","1") = "5"
    & skf21("2","6","5","5","4","4","3","1") = "5"
    & skf21("2","6","5","5","4","4","4","1") = "5"
    & skf21("2","6","5","5","4","4","5","1") = "5"
    & skf21("2","6","5","5","4","4","6","1") = "5"
    & skf21("2","6","5","5","4","4","7","1") = "6"
    & skf21("2","6","5","5","4","5","1","1") = "5"
    & skf21("2","6","5","5","4","5","2","1") = "5"
    & skf21("2","6","5","5","4","5","3","1") = "5"
    & skf21("2","6","5","5","4","5","4","1") = "5"
    & skf21("2","6","5","5","4","5","5","1") = "5"
    & skf21("2","6","5","5","4","5","6","1") = "5"
    & skf21("2","6","5","5","4","5","7","1") = "6"
    & skf21("2","6","5","5","4","6","1","1") = "5"
    & skf21("2","6","5","5","4","6","2","1") = "5"
    & skf21("2","6","5","5","4","6","3","1") = "5"
    & skf21("2","6","5","5","4","6","4","1") = "5"
    & skf21("2","6","5","5","4","6","5","1") = "5"
    & skf21("2","6","5","5","4","6","6","1") = "5"
    & skf21("2","6","5","5","4","6","7","1") = "6"
    & skf21("2","6","5","5","4","7","1","1") = "6"
    & skf21("2","6","5","5","4","7","2","1") = "6"
    & skf21("2","6","5","5","4","7","3","1") = "6"
    & skf21("2","6","5","5","4","7","4","1") = "6"
    & skf21("2","6","5","5","4","7","5","1") = "6"
    & skf21("2","6","5","5","4","7","6","1") = "6"
    & skf21("2","6","5","5","4","7","7","1") = "6"
    & skf21("2","6","5","5","5","1","1","1") = "5"
    & skf21("2","6","5","5","5","1","2","1") = "5"
    & skf21("2","6","5","5","5","1","3","1") = "5"
    & skf21("2","6","5","5","5","1","4","1") = "5"
    & skf21("2","6","5","5","5","1","5","1") = "5"
    & skf21("2","6","5","5","5","1","6","1") = "5"
    & skf21("2","6","5","5","5","1","7","1") = "6"
    & skf21("2","6","5","5","5","2","1","1") = "5"
    & skf21("2","6","5","5","5","2","2","1") = "5"
    & skf21("2","6","5","5","5","2","3","1") = "5"
    & skf21("2","6","5","5","5","2","4","1") = "5"
    & skf21("2","6","5","5","5","2","5","1") = "5"
    & skf21("2","6","5","5","5","2","6","1") = "5"
    & skf21("2","6","5","5","5","2","7","1") = "6"
    & skf21("2","6","5","5","5","3","1","1") = "5"
    & skf21("2","6","5","5","5","3","2","1") = "5"
    & skf21("2","6","5","5","5","3","3","1") = "5"
    & skf21("2","6","5","5","5","3","4","1") = "5"
    & skf21("2","6","5","5","5","3","5","1") = "5"
    & skf21("2","6","5","5","5","3","6","1") = "5"
    & skf21("2","6","5","5","5","3","7","1") = "6"
    & skf21("2","6","5","5","5","4","1","1") = "5"
    & skf21("2","6","5","5","5","4","2","1") = "5"
    & skf21("2","6","5","5","5","4","3","1") = "5"
    & skf21("2","6","5","5","5","4","4","1") = "5"
    & skf21("2","6","5","5","5","4","5","1") = "5"
    & skf21("2","6","5","5","5","4","6","1") = "5"
    & skf21("2","6","5","5","5","4","7","1") = "6"
    & skf21("2","6","5","5","5","5","1","1") = "5"
    & skf21("2","6","5","5","5","5","2","1") = "5"
    & skf21("2","6","5","5","5","5","3","1") = "5"
    & skf21("2","6","5","5","5","5","4","1") = "5"
    & skf21("2","6","5","5","5","5","5","1") = "5"
    & skf21("2","6","5","5","5","5","6","1") = "5"
    & skf21("2","6","5","5","5","5","7","1") = "6"
    & skf21("2","6","5","5","5","6","1","1") = "5"
    & skf21("2","6","5","5","5","6","2","1") = "5"
    & skf21("2","6","5","5","5","6","3","1") = "5"
    & skf21("2","6","5","5","5","6","4","1") = "5"
    & skf21("2","6","5","5","5","6","5","1") = "5"
    & skf21("2","6","5","5","5","6","6","1") = "5"
    & skf21("2","6","5","5","5","6","7","1") = "6"
    & skf21("2","6","5","5","5","7","1","1") = "6"
    & skf21("2","6","5","5","5","7","2","1") = "6"
    & skf21("2","6","5","5","5","7","3","1") = "6"
    & skf21("2","6","5","5","5","7","4","1") = "6"
    & skf21("2","6","5","5","5","7","5","1") = "6"
    & skf21("2","6","5","5","5","7","6","1") = "6"
    & skf21("2","6","5","5","5","7","7","1") = "6"
    & skf21("2","6","5","5","6","1","1","1") = "5"
    & skf21("2","6","5","5","6","1","2","1") = "5"
    & skf21("2","6","5","5","6","1","3","1") = "5"
    & skf21("2","6","5","5","6","1","4","1") = "5"
    & skf21("2","6","5","5","6","1","5","1") = "5"
    & skf21("2","6","5","5","6","1","6","1") = "5"
    & skf21("2","6","5","5","6","1","7","1") = "6"
    & skf21("2","6","5","5","6","2","1","1") = "5"
    & skf21("2","6","5","5","6","2","2","1") = "5"
    & skf21("2","6","5","5","6","2","3","1") = "5"
    & skf21("2","6","5","5","6","2","4","1") = "5"
    & skf21("2","6","5","5","6","2","5","1") = "5"
    & skf21("2","6","5","5","6","2","6","1") = "5"
    & skf21("2","6","5","5","6","2","7","1") = "6"
    & skf21("2","6","5","5","6","3","1","1") = "5"
    & skf21("2","6","5","5","6","3","2","1") = "5"
    & skf21("2","6","5","5","6","3","3","1") = "5"
    & skf21("2","6","5","5","6","3","4","1") = "5"
    & skf21("2","6","5","5","6","3","5","1") = "5"
    & skf21("2","6","5","5","6","3","6","1") = "5"
    & skf21("2","6","5","5","6","3","7","1") = "6"
    & skf21("2","6","5","5","6","4","1","1") = "5"
    & skf21("2","6","5","5","6","4","2","1") = "5"
    & skf21("2","6","5","5","6","4","3","1") = "5"
    & skf21("2","6","5","5","6","4","4","1") = "5"
    & skf21("2","6","5","5","6","4","5","1") = "5"
    & skf21("2","6","5","5","6","4","6","1") = "5"
    & skf21("2","6","5","5","6","4","7","1") = "6"
    & skf21("2","6","5","5","6","5","1","1") = "5"
    & skf21("2","6","5","5","6","5","2","1") = "5"
    & skf21("2","6","5","5","6","5","3","1") = "5"
    & skf21("2","6","5","5","6","5","4","1") = "5"
    & skf21("2","6","5","5","6","5","5","1") = "5"
    & skf21("2","6","5","5","6","5","6","1") = "5"
    & skf21("2","6","5","5","6","5","7","1") = "6"
    & skf21("2","6","5","5","6","6","1","1") = "5"
    & skf21("2","6","5","5","6","6","2","1") = "5"
    & skf21("2","6","5","5","6","6","3","1") = "5"
    & skf21("2","6","5","5","6","6","4","1") = "5"
    & skf21("2","6","5","5","6","6","5","1") = "5"
    & skf21("2","6","5","5","6","6","6","1") = "5"
    & skf21("2","6","5","5","6","6","7","1") = "6"
    & skf21("2","6","5","5","6","7","1","1") = "6"
    & skf21("2","6","5","5","6","7","2","1") = "6"
    & skf21("2","6","5","5","6","7","3","1") = "6"
    & skf21("2","6","5","5","6","7","4","1") = "6"
    & skf21("2","6","5","5","6","7","5","1") = "6"
    & skf21("2","6","5","5","6","7","6","1") = "6"
    & skf21("2","6","5","5","6","7","7","1") = "6"
    & skf21("2","6","5","5","7","1","1","1") = "6"
    & skf21("2","6","5","5","7","1","2","1") = "6"
    & skf21("2","6","5","5","7","1","3","1") = "6"
    & skf21("2","6","5","5","7","1","4","1") = "6"
    & skf21("2","6","5","5","7","1","5","1") = "6"
    & skf21("2","6","5","5","7","1","6","1") = "6"
    & skf21("2","6","5","5","7","1","7","1") = "6"
    & skf21("2","6","5","5","7","2","1","1") = "6"
    & skf21("2","6","5","5","7","2","2","1") = "6"
    & skf21("2","6","5","5","7","2","3","1") = "6"
    & skf21("2","6","5","5","7","2","4","1") = "6"
    & skf21("2","6","5","5","7","2","5","1") = "6"
    & skf21("2","6","5","5","7","2","6","1") = "6"
    & skf21("2","6","5","5","7","2","7","1") = "6"
    & skf21("2","6","5","5","7","3","1","1") = "6"
    & skf21("2","6","5","5","7","3","2","1") = "6"
    & skf21("2","6","5","5","7","3","3","1") = "6"
    & skf21("2","6","5","5","7","3","4","1") = "6"
    & skf21("2","6","5","5","7","3","5","1") = "6"
    & skf21("2","6","5","5","7","3","6","1") = "6"
    & skf21("2","6","5","5","7","3","7","1") = "6"
    & skf21("2","6","5","5","7","4","1","1") = "6"
    & skf21("2","6","5","5","7","4","2","1") = "6"
    & skf21("2","6","5","5","7","4","3","1") = "6"
    & skf21("2","6","5","5","7","4","4","1") = "6"
    & skf21("2","6","5","5","7","4","5","1") = "6"
    & skf21("2","6","5","5","7","4","6","1") = "6"
    & skf21("2","6","5","5","7","4","7","1") = "6"
    & skf21("2","6","5","5","7","5","1","1") = "6"
    & skf21("2","6","5","5","7","5","2","1") = "6"
    & skf21("2","6","5","5","7","5","3","1") = "6"
    & skf21("2","6","5","5","7","5","4","1") = "6"
    & skf21("2","6","5","5","7","5","5","1") = "6"
    & skf21("2","6","5","5","7","5","6","1") = "6"
    & skf21("2","6","5","5","7","5","7","1") = "6"
    & skf21("2","6","5","5","7","6","1","1") = "6"
    & skf21("2","6","5","5","7","6","2","1") = "6"
    & skf21("2","6","5","5","7","6","3","1") = "6"
    & skf21("2","6","5","5","7","6","4","1") = "6"
    & skf21("2","6","5","5","7","6","5","1") = "6"
    & skf21("2","6","5","5","7","6","6","1") = "6"
    & skf21("2","6","5","5","7","6","7","1") = "6"
    & skf21("2","6","5","5","7","7","1","1") = "6"
    & skf21("2","6","5","5","7","7","2","1") = "6"
    & skf21("2","6","5","5","7","7","3","1") = "6"
    & skf21("2","6","5","5","7","7","4","1") = "6"
    & skf21("2","6","5","5","7","7","5","1") = "6"
    & skf21("2","6","5","5","7","7","6","1") = "6"
    & skf21("2","6","5","5","7","7","7","1") = "6"
    & skf21("2","6","5","6","1","1","1","1") = "5"
    & skf21("2","6","5","6","1","1","2","1") = "5"
    & skf21("2","6","5","6","1","1","3","1") = "5"
    & skf21("2","6","5","6","1","1","4","1") = "5"
    & skf21("2","6","5","6","1","1","5","1") = "5"
    & skf21("2","6","5","6","1","1","6","1") = "5"
    & skf21("2","6","5","6","1","1","7","1") = "6"
    & skf21("2","6","5","6","1","2","1","1") = "5"
    & skf21("2","6","5","6","1","2","2","1") = "5"
    & skf21("2","6","5","6","1","2","3","1") = "5"
    & skf21("2","6","5","6","1","2","4","1") = "5"
    & skf21("2","6","5","6","1","2","5","1") = "5"
    & skf21("2","6","5","6","1","2","6","1") = "5"
    & skf21("2","6","5","6","1","2","7","1") = "6"
    & skf21("2","6","5","6","1","3","1","1") = "5"
    & skf21("2","6","5","6","1","3","2","1") = "5"
    & skf21("2","6","5","6","1","3","3","1") = "5"
    & skf21("2","6","5","6","1","3","4","1") = "5"
    & skf21("2","6","5","6","1","3","5","1") = "5"
    & skf21("2","6","5","6","1","3","6","1") = "5"
    & skf21("2","6","5","6","1","3","7","1") = "6"
    & skf21("2","6","5","6","1","4","1","1") = "5"
    & skf21("2","6","5","6","1","4","2","1") = "5"
    & skf21("2","6","5","6","1","4","3","1") = "5"
    & skf21("2","6","5","6","1","4","4","1") = "5"
    & skf21("2","6","5","6","1","4","5","1") = "5"
    & skf21("2","6","5","6","1","4","6","1") = "5"
    & skf21("2","6","5","6","1","4","7","1") = "6"
    & skf21("2","6","5","6","1","5","1","1") = "5"
    & skf21("2","6","5","6","1","5","2","1") = "5"
    & skf21("2","6","5","6","1","5","3","1") = "5"
    & skf21("2","6","5","6","1","5","4","1") = "5"
    & skf21("2","6","5","6","1","5","5","1") = "5"
    & skf21("2","6","5","6","1","5","6","1") = "5"
    & skf21("2","6","5","6","1","5","7","1") = "6"
    & skf21("2","6","5","6","1","6","1","1") = "5"
    & skf21("2","6","5","6","1","6","2","1") = "5"
    & skf21("2","6","5","6","1","6","3","1") = "5"
    & skf21("2","6","5","6","1","6","4","1") = "5"
    & skf21("2","6","5","6","1","6","5","1") = "5"
    & skf21("2","6","5","6","1","6","6","1") = "5"
    & skf21("2","6","5","6","1","6","7","1") = "6"
    & skf21("2","6","5","6","1","7","1","1") = "6"
    & skf21("2","6","5","6","1","7","2","1") = "6"
    & skf21("2","6","5","6","1","7","3","1") = "6"
    & skf21("2","6","5","6","1","7","4","1") = "6"
    & skf21("2","6","5","6","1","7","5","1") = "6"
    & skf21("2","6","5","6","1","7","6","1") = "6"
    & skf21("2","6","5","6","1","7","7","1") = "6"
    & skf21("2","6","5","6","2","1","1","1") = "5"
    & skf21("2","6","5","6","2","1","2","1") = "5"
    & skf21("2","6","5","6","2","1","3","1") = "5"
    & skf21("2","6","5","6","2","1","4","1") = "5"
    & skf21("2","6","5","6","2","1","5","1") = "5"
    & skf21("2","6","5","6","2","1","6","1") = "5"
    & skf21("2","6","5","6","2","1","7","1") = "6"
    & skf21("2","6","5","6","2","2","1","1") = "5"
    & skf21("2","6","5","6","2","2","2","1") = "5"
    & skf21("2","6","5","6","2","2","3","1") = "5"
    & skf21("2","6","5","6","2","2","4","1") = "5"
    & skf21("2","6","5","6","2","2","5","1") = "5"
    & skf21("2","6","5","6","2","2","6","1") = "5"
    & skf21("2","6","5","6","2","2","7","1") = "6"
    & skf21("2","6","5","6","2","3","1","1") = "5"
    & skf21("2","6","5","6","2","3","2","1") = "5"
    & skf21("2","6","5","6","2","3","3","1") = "5"
    & skf21("2","6","5","6","2","3","4","1") = "5"
    & skf21("2","6","5","6","2","3","5","1") = "5"
    & skf21("2","6","5","6","2","3","6","1") = "5"
    & skf21("2","6","5","6","2","3","7","1") = "6"
    & skf21("2","6","5","6","2","4","1","1") = "5"
    & skf21("2","6","5","6","2","4","2","1") = "5"
    & skf21("2","6","5","6","2","4","3","1") = "5"
    & skf21("2","6","5","6","2","4","4","1") = "5"
    & skf21("2","6","5","6","2","4","5","1") = "5"
    & skf21("2","6","5","6","2","4","6","1") = "5"
    & skf21("2","6","5","6","2","4","7","1") = "6"
    & skf21("2","6","5","6","2","5","1","1") = "5"
    & skf21("2","6","5","6","2","5","2","1") = "5"
    & skf21("2","6","5","6","2","5","3","1") = "5"
    & skf21("2","6","5","6","2","5","4","1") = "5"
    & skf21("2","6","5","6","2","5","5","1") = "5"
    & skf21("2","6","5","6","2","5","6","1") = "5"
    & skf21("2","6","5","6","2","5","7","1") = "6"
    & skf21("2","6","5","6","2","6","1","1") = "5"
    & skf21("2","6","5","6","2","6","2","1") = "5"
    & skf21("2","6","5","6","2","6","3","1") = "5"
    & skf21("2","6","5","6","2","6","4","1") = "5"
    & skf21("2","6","5","6","2","6","5","1") = "5"
    & skf21("2","6","5","6","2","6","6","1") = "5"
    & skf21("2","6","5","6","2","6","7","1") = "6"
    & skf21("2","6","5","6","2","7","1","1") = "6"
    & skf21("2","6","5","6","2","7","2","1") = "6"
    & skf21("2","6","5","6","2","7","3","1") = "6"
    & skf21("2","6","5","6","2","7","4","1") = "6"
    & skf21("2","6","5","6","2","7","5","1") = "6"
    & skf21("2","6","5","6","2","7","6","1") = "6"
    & skf21("2","6","5","6","2","7","7","1") = "6"
    & skf21("2","6","5","6","3","1","1","1") = "5"
    & skf21("2","6","5","6","3","1","2","1") = "5"
    & skf21("2","6","5","6","3","1","3","1") = "5"
    & skf21("2","6","5","6","3","1","4","1") = "5"
    & skf21("2","6","5","6","3","1","5","1") = "5"
    & skf21("2","6","5","6","3","1","6","1") = "5"
    & skf21("2","6","5","6","3","1","7","1") = "6"
    & skf21("2","6","5","6","3","2","1","1") = "5"
    & skf21("2","6","5","6","3","2","2","1") = "5"
    & skf21("2","6","5","6","3","2","3","1") = "5"
    & skf21("2","6","5","6","3","2","4","1") = "5"
    & skf21("2","6","5","6","3","2","5","1") = "5"
    & skf21("2","6","5","6","3","2","6","1") = "5"
    & skf21("2","6","5","6","3","2","7","1") = "6"
    & skf21("2","6","5","6","3","3","1","1") = "5"
    & skf21("2","6","5","6","3","3","2","1") = "5"
    & skf21("2","6","5","6","3","3","3","1") = "5"
    & skf21("2","6","5","6","3","3","4","1") = "5"
    & skf21("2","6","5","6","3","3","5","1") = "5"
    & skf21("2","6","5","6","3","3","6","1") = "5"
    & skf21("2","6","5","6","3","3","7","1") = "6"
    & skf21("2","6","5","6","3","4","1","1") = "5"
    & skf21("2","6","5","6","3","4","2","1") = "5"
    & skf21("2","6","5","6","3","4","3","1") = "5"
    & skf21("2","6","5","6","3","4","4","1") = "5"
    & skf21("2","6","5","6","3","4","5","1") = "5"
    & skf21("2","6","5","6","3","4","6","1") = "5"
    & skf21("2","6","5","6","3","4","7","1") = "6"
    & skf21("2","6","5","6","3","5","1","1") = "5"
    & skf21("2","6","5","6","3","5","2","1") = "5"
    & skf21("2","6","5","6","3","5","3","1") = "5"
    & skf21("2","6","5","6","3","5","4","1") = "5"
    & skf21("2","6","5","6","3","5","5","1") = "5"
    & skf21("2","6","5","6","3","5","6","1") = "5"
    & skf21("2","6","5","6","3","5","7","1") = "6"
    & skf21("2","6","5","6","3","6","1","1") = "5"
    & skf21("2","6","5","6","3","6","2","1") = "5"
    & skf21("2","6","5","6","3","6","3","1") = "5"
    & skf21("2","6","5","6","3","6","4","1") = "5"
    & skf21("2","6","5","6","3","6","5","1") = "5"
    & skf21("2","6","5","6","3","6","6","1") = "5"
    & skf21("2","6","5","6","3","6","7","1") = "6"
    & skf21("2","6","5","6","3","7","1","1") = "6"
    & skf21("2","6","5","6","3","7","2","1") = "6"
    & skf21("2","6","5","6","3","7","3","1") = "6"
    & skf21("2","6","5","6","3","7","4","1") = "6"
    & skf21("2","6","5","6","3","7","5","1") = "6"
    & skf21("2","6","5","6","3","7","6","1") = "6"
    & skf21("2","6","5","6","3","7","7","1") = "6"
    & skf21("2","6","5","6","4","1","1","1") = "5"
    & skf21("2","6","5","6","4","1","2","1") = "5"
    & skf21("2","6","5","6","4","1","3","1") = "5"
    & skf21("2","6","5","6","4","1","4","1") = "5"
    & skf21("2","6","5","6","4","1","5","1") = "5"
    & skf21("2","6","5","6","4","1","6","1") = "5"
    & skf21("2","6","5","6","4","1","7","1") = "6"
    & skf21("2","6","5","6","4","2","1","1") = "5"
    & skf21("2","6","5","6","4","2","2","1") = "5"
    & skf21("2","6","5","6","4","2","3","1") = "5"
    & skf21("2","6","5","6","4","2","4","1") = "5"
    & skf21("2","6","5","6","4","2","5","1") = "5"
    & skf21("2","6","5","6","4","2","6","1") = "5"
    & skf21("2","6","5","6","4","2","7","1") = "6"
    & skf21("2","6","5","6","4","3","1","1") = "5"
    & skf21("2","6","5","6","4","3","2","1") = "5"
    & skf21("2","6","5","6","4","3","3","1") = "5"
    & skf21("2","6","5","6","4","3","4","1") = "5"
    & skf21("2","6","5","6","4","3","5","1") = "5"
    & skf21("2","6","5","6","4","3","6","1") = "5"
    & skf21("2","6","5","6","4","3","7","1") = "6"
    & skf21("2","6","5","6","4","4","1","1") = "5"
    & skf21("2","6","5","6","4","4","2","1") = "5"
    & skf21("2","6","5","6","4","4","3","1") = "5"
    & skf21("2","6","5","6","4","4","4","1") = "5"
    & skf21("2","6","5","6","4","4","5","1") = "5"
    & skf21("2","6","5","6","4","4","6","1") = "5"
    & skf21("2","6","5","6","4","4","7","1") = "6"
    & skf21("2","6","5","6","4","5","1","1") = "5"
    & skf21("2","6","5","6","4","5","2","1") = "5"
    & skf21("2","6","5","6","4","5","3","1") = "5"
    & skf21("2","6","5","6","4","5","4","1") = "5"
    & skf21("2","6","5","6","4","5","5","1") = "5"
    & skf21("2","6","5","6","4","5","6","1") = "5"
    & skf21("2","6","5","6","4","5","7","1") = "6"
    & skf21("2","6","5","6","4","6","1","1") = "5"
    & skf21("2","6","5","6","4","6","2","1") = "5"
    & skf21("2","6","5","6","4","6","3","1") = "5"
    & skf21("2","6","5","6","4","6","4","1") = "5"
    & skf21("2","6","5","6","4","6","5","1") = "5"
    & skf21("2","6","5","6","4","6","6","1") = "5"
    & skf21("2","6","5","6","4","6","7","1") = "6"
    & skf21("2","6","5","6","4","7","1","1") = "6"
    & skf21("2","6","5","6","4","7","2","1") = "6"
    & skf21("2","6","5","6","4","7","3","1") = "6"
    & skf21("2","6","5","6","4","7","4","1") = "6"
    & skf21("2","6","5","6","4","7","5","1") = "6"
    & skf21("2","6","5","6","4","7","6","1") = "6"
    & skf21("2","6","5","6","4","7","7","1") = "6"
    & skf21("2","6","5","6","5","1","1","1") = "5"
    & skf21("2","6","5","6","5","1","2","1") = "5"
    & skf21("2","6","5","6","5","1","3","1") = "5"
    & skf21("2","6","5","6","5","1","4","1") = "5"
    & skf21("2","6","5","6","5","1","5","1") = "5"
    & skf21("2","6","5","6","5","1","6","1") = "5"
    & skf21("2","6","5","6","5","1","7","1") = "6"
    & skf21("2","6","5","6","5","2","1","1") = "5"
    & skf21("2","6","5","6","5","2","2","1") = "5"
    & skf21("2","6","5","6","5","2","3","1") = "5"
    & skf21("2","6","5","6","5","2","4","1") = "5"
    & skf21("2","6","5","6","5","2","5","1") = "5"
    & skf21("2","6","5","6","5","2","6","1") = "5"
    & skf21("2","6","5","6","5","2","7","1") = "6"
    & skf21("2","6","5","6","5","3","1","1") = "5"
    & skf21("2","6","5","6","5","3","2","1") = "5"
    & skf21("2","6","5","6","5","3","3","1") = "5"
    & skf21("2","6","5","6","5","3","4","1") = "5"
    & skf21("2","6","5","6","5","3","5","1") = "5"
    & skf21("2","6","5","6","5","3","6","1") = "5"
    & skf21("2","6","5","6","5","3","7","1") = "6"
    & skf21("2","6","5","6","5","4","1","1") = "5"
    & skf21("2","6","5","6","5","4","2","1") = "5"
    & skf21("2","6","5","6","5","4","3","1") = "5"
    & skf21("2","6","5","6","5","4","4","1") = "5"
    & skf21("2","6","5","6","5","4","5","1") = "5"
    & skf21("2","6","5","6","5","4","6","1") = "5"
    & skf21("2","6","5","6","5","4","7","1") = "6"
    & skf21("2","6","5","6","5","5","1","1") = "5"
    & skf21("2","6","5","6","5","5","2","1") = "5"
    & skf21("2","6","5","6","5","5","3","1") = "5"
    & skf21("2","6","5","6","5","5","4","1") = "5"
    & skf21("2","6","5","6","5","5","5","1") = "5"
    & skf21("2","6","5","6","5","5","6","1") = "5"
    & skf21("2","6","5","6","5","5","7","1") = "6"
    & skf21("2","6","5","6","5","6","1","1") = "5"
    & skf21("2","6","5","6","5","6","2","1") = "5"
    & skf21("2","6","5","6","5","6","3","1") = "5"
    & skf21("2","6","5","6","5","6","4","1") = "5"
    & skf21("2","6","5","6","5","6","5","1") = "5"
    & skf21("2","6","5","6","5","6","6","1") = "5"
    & skf21("2","6","5","6","5","6","7","1") = "6"
    & skf21("2","6","5","6","5","7","1","1") = "6"
    & skf21("2","6","5","6","5","7","2","1") = "6"
    & skf21("2","6","5","6","5","7","3","1") = "6"
    & skf21("2","6","5","6","5","7","4","1") = "6"
    & skf21("2","6","5","6","5","7","5","1") = "6"
    & skf21("2","6","5","6","5","7","6","1") = "6"
    & skf21("2","6","5","6","5","7","7","1") = "6"
    & skf21("2","6","5","6","6","1","1","1") = "5"
    & skf21("2","6","5","6","6","1","2","1") = "5"
    & skf21("2","6","5","6","6","1","3","1") = "5"
    & skf21("2","6","5","6","6","1","4","1") = "5"
    & skf21("2","6","5","6","6","1","5","1") = "5"
    & skf21("2","6","5","6","6","1","6","1") = "5"
    & skf21("2","6","5","6","6","1","7","1") = "6"
    & skf21("2","6","5","6","6","2","1","1") = "5"
    & skf21("2","6","5","6","6","2","2","1") = "5"
    & skf21("2","6","5","6","6","2","3","1") = "5"
    & skf21("2","6","5","6","6","2","4","1") = "5"
    & skf21("2","6","5","6","6","2","5","1") = "5"
    & skf21("2","6","5","6","6","2","6","1") = "5"
    & skf21("2","6","5","6","6","2","7","1") = "6"
    & skf21("2","6","5","6","6","3","1","1") = "5"
    & skf21("2","6","5","6","6","3","2","1") = "5"
    & skf21("2","6","5","6","6","3","3","1") = "5"
    & skf21("2","6","5","6","6","3","4","1") = "5"
    & skf21("2","6","5","6","6","3","5","1") = "5"
    & skf21("2","6","5","6","6","3","6","1") = "5"
    & skf21("2","6","5","6","6","3","7","1") = "6"
    & skf21("2","6","5","6","6","4","1","1") = "5"
    & skf21("2","6","5","6","6","4","2","1") = "5"
    & skf21("2","6","5","6","6","4","3","1") = "5"
    & skf21("2","6","5","6","6","4","4","1") = "5"
    & skf21("2","6","5","6","6","4","5","1") = "5"
    & skf21("2","6","5","6","6","4","6","1") = "5"
    & skf21("2","6","5","6","6","4","7","1") = "6"
    & skf21("2","6","5","6","6","5","1","1") = "5"
    & skf21("2","6","5","6","6","5","2","1") = "5"
    & skf21("2","6","5","6","6","5","3","1") = "5"
    & skf21("2","6","5","6","6","5","4","1") = "5"
    & skf21("2","6","5","6","6","5","5","1") = "5"
    & skf21("2","6","5","6","6","5","6","1") = "5"
    & skf21("2","6","5","6","6","5","7","1") = "6"
    & skf21("2","6","5","6","6","6","1","1") = "5"
    & skf21("2","6","5","6","6","6","2","1") = "5"
    & skf21("2","6","5","6","6","6","3","1") = "5"
    & skf21("2","6","5","6","6","6","4","1") = "5"
    & skf21("2","6","5","6","6","6","5","1") = "5"
    & skf21("2","6","5","6","6","6","6","1") = "5"
    & skf21("2","6","5","6","6","6","7","1") = "6"
    & skf21("2","6","5","6","6","7","1","1") = "6"
    & skf21("2","6","5","6","6","7","2","1") = "6"
    & skf21("2","6","5","6","6","7","3","1") = "6"
    & skf21("2","6","5","6","6","7","4","1") = "6"
    & skf21("2","6","5","6","6","7","5","1") = "6"
    & skf21("2","6","5","6","6","7","6","1") = "6"
    & skf21("2","6","5","6","6","7","7","1") = "6"
    & skf21("2","6","5","6","7","1","1","1") = "6"
    & skf21("2","6","5","6","7","1","2","1") = "6"
    & skf21("2","6","5","6","7","1","3","1") = "6"
    & skf21("2","6","5","6","7","1","4","1") = "6"
    & skf21("2","6","5","6","7","1","5","1") = "6"
    & skf21("2","6","5","6","7","1","6","1") = "6"
    & skf21("2","6","5","6","7","1","7","1") = "6"
    & skf21("2","6","5","6","7","2","1","1") = "6"
    & skf21("2","6","5","6","7","2","2","1") = "6"
    & skf21("2","6","5","6","7","2","3","1") = "6"
    & skf21("2","6","5","6","7","2","4","1") = "6"
    & skf21("2","6","5","6","7","2","5","1") = "6"
    & skf21("2","6","5","6","7","2","6","1") = "6"
    & skf21("2","6","5","6","7","2","7","1") = "6"
    & skf21("2","6","5","6","7","3","1","1") = "6"
    & skf21("2","6","5","6","7","3","2","1") = "6"
    & skf21("2","6","5","6","7","3","3","1") = "6"
    & skf21("2","6","5","6","7","3","4","1") = "6"
    & skf21("2","6","5","6","7","3","5","1") = "6"
    & skf21("2","6","5","6","7","3","6","1") = "6"
    & skf21("2","6","5","6","7","3","7","1") = "6"
    & skf21("2","6","5","6","7","4","1","1") = "6"
    & skf21("2","6","5","6","7","4","2","1") = "6"
    & skf21("2","6","5","6","7","4","3","1") = "6"
    & skf21("2","6","5","6","7","4","4","1") = "6"
    & skf21("2","6","5","6","7","4","5","1") = "6"
    & skf21("2","6","5","6","7","4","6","1") = "6"
    & skf21("2","6","5","6","7","4","7","1") = "6"
    & skf21("2","6","5","6","7","5","1","1") = "6"
    & skf21("2","6","5","6","7","5","2","1") = "6"
    & skf21("2","6","5","6","7","5","3","1") = "6"
    & skf21("2","6","5","6","7","5","4","1") = "6"
    & skf21("2","6","5","6","7","5","5","1") = "6"
    & skf21("2","6","5","6","7","5","6","1") = "6"
    & skf21("2","6","5","6","7","5","7","1") = "6"
    & skf21("2","6","5","6","7","6","1","1") = "6"
    & skf21("2","6","5","6","7","6","2","1") = "6"
    & skf21("2","6","5","6","7","6","3","1") = "6"
    & skf21("2","6","5","6","7","6","4","1") = "6"
    & skf21("2","6","5","6","7","6","5","1") = "6"
    & skf21("2","6","5","6","7","6","6","1") = "6"
    & skf21("2","6","5","6","7","6","7","1") = "6"
    & skf21("2","6","5","6","7","7","1","1") = "6"
    & skf21("2","6","5","6","7","7","2","1") = "6"
    & skf21("2","6","5","6","7","7","3","1") = "6"
    & skf21("2","6","5","6","7","7","4","1") = "6"
    & skf21("2","6","5","6","7","7","5","1") = "6"
    & skf21("2","6","5","6","7","7","6","1") = "6"
    & skf21("2","6","5","6","7","7","7","1") = "6"
    & skf21("2","6","5","7","1","1","1","1") = "6"
    & skf21("2","6","5","7","1","1","2","1") = "6"
    & skf21("2","6","5","7","1","1","3","1") = "6"
    & skf21("2","6","5","7","1","1","4","1") = "6"
    & skf21("2","6","5","7","1","1","5","1") = "6"
    & skf21("2","6","5","7","1","1","6","1") = "6"
    & skf21("2","6","5","7","1","1","7","1") = "6"
    & skf21("2","6","5","7","1","2","1","1") = "6"
    & skf21("2","6","5","7","1","2","2","1") = "6"
    & skf21("2","6","5","7","1","2","3","1") = "6"
    & skf21("2","6","5","7","1","2","4","1") = "6"
    & skf21("2","6","5","7","1","2","5","1") = "6"
    & skf21("2","6","5","7","1","2","6","1") = "6"
    & skf21("2","6","5","7","1","2","7","1") = "6"
    & skf21("2","6","5","7","1","3","1","1") = "6"
    & skf21("2","6","5","7","1","3","2","1") = "6"
    & skf21("2","6","5","7","1","3","3","1") = "6"
    & skf21("2","6","5","7","1","3","4","1") = "6"
    & skf21("2","6","5","7","1","3","5","1") = "6"
    & skf21("2","6","5","7","1","3","6","1") = "6"
    & skf21("2","6","5","7","1","3","7","1") = "6"
    & skf21("2","6","5","7","1","4","1","1") = "6"
    & skf21("2","6","5","7","1","4","2","1") = "6"
    & skf21("2","6","5","7","1","4","3","1") = "6"
    & skf21("2","6","5","7","1","4","4","1") = "6"
    & skf21("2","6","5","7","1","4","5","1") = "6"
    & skf21("2","6","5","7","1","4","6","1") = "6"
    & skf21("2","6","5","7","1","4","7","1") = "6"
    & skf21("2","6","5","7","1","5","1","1") = "6"
    & skf21("2","6","5","7","1","5","2","1") = "6"
    & skf21("2","6","5","7","1","5","3","1") = "6"
    & skf21("2","6","5","7","1","5","4","1") = "6"
    & skf21("2","6","5","7","1","5","5","1") = "6"
    & skf21("2","6","5","7","1","5","6","1") = "6"
    & skf21("2","6","5","7","1","5","7","1") = "6"
    & skf21("2","6","5","7","1","6","1","1") = "6"
    & skf21("2","6","5","7","1","6","2","1") = "6"
    & skf21("2","6","5","7","1","6","3","1") = "6"
    & skf21("2","6","5","7","1","6","4","1") = "6"
    & skf21("2","6","5","7","1","6","5","1") = "6"
    & skf21("2","6","5","7","1","6","6","1") = "6"
    & skf21("2","6","5","7","1","6","7","1") = "6"
    & skf21("2","6","5","7","1","7","1","1") = "6"
    & skf21("2","6","5","7","1","7","2","1") = "6"
    & skf21("2","6","5","7","1","7","3","1") = "6"
    & skf21("2","6","5","7","1","7","4","1") = "6"
    & skf21("2","6","5","7","1","7","5","1") = "6"
    & skf21("2","6","5","7","1","7","6","1") = "6"
    & skf21("2","6","5","7","1","7","7","1") = "6"
    & skf21("2","6","5","7","2","1","1","1") = "6"
    & skf21("2","6","5","7","2","1","2","1") = "6"
    & skf21("2","6","5","7","2","1","3","1") = "6"
    & skf21("2","6","5","7","2","1","4","1") = "6"
    & skf21("2","6","5","7","2","1","5","1") = "6"
    & skf21("2","6","5","7","2","1","6","1") = "6"
    & skf21("2","6","5","7","2","1","7","1") = "6"
    & skf21("2","6","5","7","2","2","1","1") = "6"
    & skf21("2","6","5","7","2","2","2","1") = "6"
    & skf21("2","6","5","7","2","2","3","1") = "6"
    & skf21("2","6","5","7","2","2","4","1") = "6"
    & skf21("2","6","5","7","2","2","5","1") = "6"
    & skf21("2","6","5","7","2","2","6","1") = "6"
    & skf21("2","6","5","7","2","2","7","1") = "6"
    & skf21("2","6","5","7","2","3","1","1") = "6"
    & skf21("2","6","5","7","2","3","2","1") = "6"
    & skf21("2","6","5","7","2","3","3","1") = "6"
    & skf21("2","6","5","7","2","3","4","1") = "6"
    & skf21("2","6","5","7","2","3","5","1") = "6"
    & skf21("2","6","5","7","2","3","6","1") = "6"
    & skf21("2","6","5","7","2","3","7","1") = "6"
    & skf21("2","6","5","7","2","4","1","1") = "6"
    & skf21("2","6","5","7","2","4","2","1") = "6"
    & skf21("2","6","5","7","2","4","3","1") = "6"
    & skf21("2","6","5","7","2","4","4","1") = "6"
    & skf21("2","6","5","7","2","4","5","1") = "6"
    & skf21("2","6","5","7","2","4","6","1") = "6"
    & skf21("2","6","5","7","2","4","7","1") = "6"
    & skf21("2","6","5","7","2","5","1","1") = "6"
    & skf21("2","6","5","7","2","5","2","1") = "6"
    & skf21("2","6","5","7","2","5","3","1") = "6"
    & skf21("2","6","5","7","2","5","4","1") = "6"
    & skf21("2","6","5","7","2","5","5","1") = "6"
    & skf21("2","6","5","7","2","5","6","1") = "6"
    & skf21("2","6","5","7","2","5","7","1") = "6"
    & skf21("2","6","5","7","2","6","1","1") = "6"
    & skf21("2","6","5","7","2","6","2","1") = "6"
    & skf21("2","6","5","7","2","6","3","1") = "6"
    & skf21("2","6","5","7","2","6","4","1") = "6"
    & skf21("2","6","5","7","2","6","5","1") = "6"
    & skf21("2","6","5","7","2","6","6","1") = "6"
    & skf21("2","6","5","7","2","6","7","1") = "6"
    & skf21("2","6","5","7","2","7","1","1") = "6"
    & skf21("2","6","5","7","2","7","2","1") = "6"
    & skf21("2","6","5","7","2","7","3","1") = "6"
    & skf21("2","6","5","7","2","7","4","1") = "6"
    & skf21("2","6","5","7","2","7","5","1") = "6"
    & skf21("2","6","5","7","2","7","6","1") = "6"
    & skf21("2","6","5","7","2","7","7","1") = "6"
    & skf21("2","6","5","7","3","1","1","1") = "6"
    & skf21("2","6","5","7","3","1","2","1") = "6"
    & skf21("2","6","5","7","3","1","3","1") = "6"
    & skf21("2","6","5","7","3","1","4","1") = "6"
    & skf21("2","6","5","7","3","1","5","1") = "6"
    & skf21("2","6","5","7","3","1","6","1") = "6"
    & skf21("2","6","5","7","3","1","7","1") = "6"
    & skf21("2","6","5","7","3","2","1","1") = "6"
    & skf21("2","6","5","7","3","2","2","1") = "6"
    & skf21("2","6","5","7","3","2","3","1") = "6"
    & skf21("2","6","5","7","3","2","4","1") = "6"
    & skf21("2","6","5","7","3","2","5","1") = "6"
    & skf21("2","6","5","7","3","2","6","1") = "6"
    & skf21("2","6","5","7","3","2","7","1") = "6"
    & skf21("2","6","5","7","3","3","1","1") = "6"
    & skf21("2","6","5","7","3","3","2","1") = "6"
    & skf21("2","6","5","7","3","3","3","1") = "6"
    & skf21("2","6","5","7","3","3","4","1") = "6"
    & skf21("2","6","5","7","3","3","5","1") = "6"
    & skf21("2","6","5","7","3","3","6","1") = "6"
    & skf21("2","6","5","7","3","3","7","1") = "6"
    & skf21("2","6","5","7","3","4","1","1") = "6"
    & skf21("2","6","5","7","3","4","2","1") = "6"
    & skf21("2","6","5","7","3","4","3","1") = "6"
    & skf21("2","6","5","7","3","4","4","1") = "6"
    & skf21("2","6","5","7","3","4","5","1") = "6"
    & skf21("2","6","5","7","3","4","6","1") = "6"
    & skf21("2","6","5","7","3","4","7","1") = "6"
    & skf21("2","6","5","7","3","5","1","1") = "6"
    & skf21("2","6","5","7","3","5","2","1") = "6"
    & skf21("2","6","5","7","3","5","3","1") = "6"
    & skf21("2","6","5","7","3","5","4","1") = "6"
    & skf21("2","6","5","7","3","5","5","1") = "6"
    & skf21("2","6","5","7","3","5","6","1") = "6"
    & skf21("2","6","5","7","3","5","7","1") = "6"
    & skf21("2","6","5","7","3","6","1","1") = "6"
    & skf21("2","6","5","7","3","6","2","1") = "6"
    & skf21("2","6","5","7","3","6","3","1") = "6"
    & skf21("2","6","5","7","3","6","4","1") = "6"
    & skf21("2","6","5","7","3","6","5","1") = "6"
    & skf21("2","6","5","7","3","6","6","1") = "6"
    & skf21("2","6","5","7","3","6","7","1") = "6"
    & skf21("2","6","5","7","3","7","1","1") = "6"
    & skf21("2","6","5","7","3","7","2","1") = "6"
    & skf21("2","6","5","7","3","7","3","1") = "6"
    & skf21("2","6","5","7","3","7","4","1") = "6"
    & skf21("2","6","5","7","3","7","5","1") = "6"
    & skf21("2","6","5","7","3","7","6","1") = "6"
    & skf21("2","6","5","7","3","7","7","1") = "6"
    & skf21("2","6","5","7","4","1","1","1") = "6"
    & skf21("2","6","5","7","4","1","2","1") = "6"
    & skf21("2","6","5","7","4","1","3","1") = "6"
    & skf21("2","6","5","7","4","1","4","1") = "6"
    & skf21("2","6","5","7","4","1","5","1") = "6"
    & skf21("2","6","5","7","4","1","6","1") = "6"
    & skf21("2","6","5","7","4","1","7","1") = "6"
    & skf21("2","6","5","7","4","2","1","1") = "6"
    & skf21("2","6","5","7","4","2","2","1") = "6"
    & skf21("2","6","5","7","4","2","3","1") = "6"
    & skf21("2","6","5","7","4","2","4","1") = "6"
    & skf21("2","6","5","7","4","2","5","1") = "6"
    & skf21("2","6","5","7","4","2","6","1") = "6"
    & skf21("2","6","5","7","4","2","7","1") = "6"
    & skf21("2","6","5","7","4","3","1","1") = "6"
    & skf21("2","6","5","7","4","3","2","1") = "6"
    & skf21("2","6","5","7","4","3","3","1") = "6"
    & skf21("2","6","5","7","4","3","4","1") = "6"
    & skf21("2","6","5","7","4","3","5","1") = "6"
    & skf21("2","6","5","7","4","3","6","1") = "6"
    & skf21("2","6","5","7","4","3","7","1") = "6"
    & skf21("2","6","5","7","4","4","1","1") = "6"
    & skf21("2","6","5","7","4","4","2","1") = "6"
    & skf21("2","6","5","7","4","4","3","1") = "6"
    & skf21("2","6","5","7","4","4","4","1") = "6"
    & skf21("2","6","5","7","4","4","5","1") = "6"
    & skf21("2","6","5","7","4","4","6","1") = "6"
    & skf21("2","6","5","7","4","4","7","1") = "6"
    & skf21("2","6","5","7","4","5","1","1") = "6"
    & skf21("2","6","5","7","4","5","2","1") = "6"
    & skf21("2","6","5","7","4","5","3","1") = "6"
    & skf21("2","6","5","7","4","5","4","1") = "6"
    & skf21("2","6","5","7","4","5","5","1") = "6"
    & skf21("2","6","5","7","4","5","6","1") = "6"
    & skf21("2","6","5","7","4","5","7","1") = "6"
    & skf21("2","6","5","7","4","6","1","1") = "6"
    & skf21("2","6","5","7","4","6","2","1") = "6"
    & skf21("2","6","5","7","4","6","3","1") = "6"
    & skf21("2","6","5","7","4","6","4","1") = "6"
    & skf21("2","6","5","7","4","6","5","1") = "6"
    & skf21("2","6","5","7","4","6","6","1") = "6"
    & skf21("2","6","5","7","4","6","7","1") = "6"
    & skf21("2","6","5","7","4","7","1","1") = "6"
    & skf21("2","6","5","7","4","7","2","1") = "6"
    & skf21("2","6","5","7","4","7","3","1") = "6"
    & skf21("2","6","5","7","4","7","4","1") = "6"
    & skf21("2","6","5","7","4","7","5","1") = "6"
    & skf21("2","6","5","7","4","7","6","1") = "6"
    & skf21("2","6","5","7","4","7","7","1") = "6"
    & skf21("2","6","5","7","5","1","1","1") = "6"
    & skf21("2","6","5","7","5","1","2","1") = "6"
    & skf21("2","6","5","7","5","1","3","1") = "6"
    & skf21("2","6","5","7","5","1","4","1") = "6"
    & skf21("2","6","5","7","5","1","5","1") = "6"
    & skf21("2","6","5","7","5","1","6","1") = "6"
    & skf21("2","6","5","7","5","1","7","1") = "6"
    & skf21("2","6","5","7","5","2","1","1") = "6"
    & skf21("2","6","5","7","5","2","2","1") = "6"
    & skf21("2","6","5","7","5","2","3","1") = "6"
    & skf21("2","6","5","7","5","2","4","1") = "6"
    & skf21("2","6","5","7","5","2","5","1") = "6"
    & skf21("2","6","5","7","5","2","6","1") = "6"
    & skf21("2","6","5","7","5","2","7","1") = "6"
    & skf21("2","6","5","7","5","3","1","1") = "6"
    & skf21("2","6","5","7","5","3","2","1") = "6"
    & skf21("2","6","5","7","5","3","3","1") = "6"
    & skf21("2","6","5","7","5","3","4","1") = "6"
    & skf21("2","6","5","7","5","3","5","1") = "6"
    & skf21("2","6","5","7","5","3","6","1") = "6"
    & skf21("2","6","5","7","5","3","7","1") = "6"
    & skf21("2","6","5","7","5","4","1","1") = "6"
    & skf21("2","6","5","7","5","4","2","1") = "6"
    & skf21("2","6","5","7","5","4","3","1") = "6"
    & skf21("2","6","5","7","5","4","4","1") = "6"
    & skf21("2","6","5","7","5","4","5","1") = "6"
    & skf21("2","6","5","7","5","4","6","1") = "6"
    & skf21("2","6","5","7","5","4","7","1") = "6"
    & skf21("2","6","5","7","5","5","1","1") = "6"
    & skf21("2","6","5","7","5","5","2","1") = "6"
    & skf21("2","6","5","7","5","5","3","1") = "6"
    & skf21("2","6","5","7","5","5","4","1") = "6"
    & skf21("2","6","5","7","5","5","5","1") = "6"
    & skf21("2","6","5","7","5","5","6","1") = "6"
    & skf21("2","6","5","7","5","5","7","1") = "6"
    & skf21("2","6","5","7","5","6","1","1") = "6"
    & skf21("2","6","5","7","5","6","2","1") = "6"
    & skf21("2","6","5","7","5","6","3","1") = "6"
    & skf21("2","6","5","7","5","6","4","1") = "6"
    & skf21("2","6","5","7","5","6","5","1") = "6"
    & skf21("2","6","5","7","5","6","6","1") = "6"
    & skf21("2","6","5","7","5","6","7","1") = "6"
    & skf21("2","6","5","7","5","7","1","1") = "6"
    & skf21("2","6","5","7","5","7","2","1") = "6"
    & skf21("2","6","5","7","5","7","3","1") = "6"
    & skf21("2","6","5","7","5","7","4","1") = "6"
    & skf21("2","6","5","7","5","7","5","1") = "6"
    & skf21("2","6","5","7","5","7","6","1") = "6"
    & skf21("2","6","5","7","5","7","7","1") = "6"
    & skf21("2","6","5","7","6","1","1","1") = "6"
    & skf21("2","6","5","7","6","1","2","1") = "6"
    & skf21("2","6","5","7","6","1","3","1") = "6"
    & skf21("2","6","5","7","6","1","4","1") = "6"
    & skf21("2","6","5","7","6","1","5","1") = "6"
    & skf21("2","6","5","7","6","1","6","1") = "6"
    & skf21("2","6","5","7","6","1","7","1") = "6"
    & skf21("2","6","5","7","6","2","1","1") = "6"
    & skf21("2","6","5","7","6","2","2","1") = "6"
    & skf21("2","6","5","7","6","2","3","1") = "6"
    & skf21("2","6","5","7","6","2","4","1") = "6"
    & skf21("2","6","5","7","6","2","5","1") = "6"
    & skf21("2","6","5","7","6","2","6","1") = "6"
    & skf21("2","6","5","7","6","2","7","1") = "6"
    & skf21("2","6","5","7","6","3","1","1") = "6"
    & skf21("2","6","5","7","6","3","2","1") = "6"
    & skf21("2","6","5","7","6","3","3","1") = "6"
    & skf21("2","6","5","7","6","3","4","1") = "6"
    & skf21("2","6","5","7","6","3","5","1") = "6"
    & skf21("2","6","5","7","6","3","6","1") = "6"
    & skf21("2","6","5","7","6","3","7","1") = "6"
    & skf21("2","6","5","7","6","4","1","1") = "6"
    & skf21("2","6","5","7","6","4","2","1") = "6"
    & skf21("2","6","5","7","6","4","3","1") = "6"
    & skf21("2","6","5","7","6","4","4","1") = "6"
    & skf21("2","6","5","7","6","4","5","1") = "6"
    & skf21("2","6","5","7","6","4","6","1") = "6"
    & skf21("2","6","5","7","6","4","7","1") = "6"
    & skf21("2","6","5","7","6","5","1","1") = "6"
    & skf21("2","6","5","7","6","5","2","1") = "6"
    & skf21("2","6","5","7","6","5","3","1") = "6"
    & skf21("2","6","5","7","6","5","4","1") = "6"
    & skf21("2","6","5","7","6","5","5","1") = "6"
    & skf21("2","6","5","7","6","5","6","1") = "6"
    & skf21("2","6","5","7","6","5","7","1") = "6"
    & skf21("2","6","5","7","6","6","1","1") = "6"
    & skf21("2","6","5","7","6","6","2","1") = "6"
    & skf21("2","6","5","7","6","6","3","1") = "6"
    & skf21("2","6","5","7","6","6","4","1") = "6"
    & skf21("2","6","5","7","6","6","5","1") = "6"
    & skf21("2","6","5","7","6","6","6","1") = "6"
    & skf21("2","6","5","7","6","6","7","1") = "6"
    & skf21("2","6","5","7","6","7","1","1") = "6"
    & skf21("2","6","5","7","6","7","2","1") = "6"
    & skf21("2","6","5","7","6","7","3","1") = "6"
    & skf21("2","6","5","7","6","7","4","1") = "6"
    & skf21("2","6","5","7","6","7","5","1") = "6"
    & skf21("2","6","5","7","6","7","6","1") = "6"
    & skf21("2","6","5","7","6","7","7","1") = "6"
    & skf21("2","6","5","7","7","1","1","1") = "6"
    & skf21("2","6","5","7","7","1","2","1") = "6"
    & skf21("2","6","5","7","7","1","3","1") = "6"
    & skf21("2","6","5","7","7","1","4","1") = "6"
    & skf21("2","6","5","7","7","1","5","1") = "6"
    & skf21("2","6","5","7","7","1","6","1") = "6"
    & skf21("2","6","5","7","7","1","7","1") = "6"
    & skf21("2","6","5","7","7","2","1","1") = "6"
    & skf21("2","6","5","7","7","2","2","1") = "6"
    & skf21("2","6","5","7","7","2","3","1") = "6"
    & skf21("2","6","5","7","7","2","4","1") = "6"
    & skf21("2","6","5","7","7","2","5","1") = "6"
    & skf21("2","6","5","7","7","2","6","1") = "6"
    & skf21("2","6","5","7","7","2","7","1") = "6"
    & skf21("2","6","5","7","7","3","1","1") = "6"
    & skf21("2","6","5","7","7","3","2","1") = "6"
    & skf21("2","6","5","7","7","3","3","1") = "6"
    & skf21("2","6","5","7","7","3","4","1") = "6"
    & skf21("2","6","5","7","7","3","5","1") = "6"
    & skf21("2","6","5","7","7","3","6","1") = "6"
    & skf21("2","6","5","7","7","3","7","1") = "6"
    & skf21("2","6","5","7","7","4","1","1") = "6"
    & skf21("2","6","5","7","7","4","2","1") = "6"
    & skf21("2","6","5","7","7","4","3","1") = "6"
    & skf21("2","6","5","7","7","4","4","1") = "6"
    & skf21("2","6","5","7","7","4","5","1") = "6"
    & skf21("2","6","5","7","7","4","6","1") = "6"
    & skf21("2","6","5","7","7","4","7","1") = "6"
    & skf21("2","6","5","7","7","5","1","1") = "6"
    & skf21("2","6","5","7","7","5","2","1") = "6"
    & skf21("2","6","5","7","7","5","3","1") = "6"
    & skf21("2","6","5","7","7","5","4","1") = "6"
    & skf21("2","6","5","7","7","5","5","1") = "6"
    & skf21("2","6","5","7","7","5","6","1") = "6"
    & skf21("2","6","5","7","7","5","7","1") = "6"
    & skf21("2","6","5","7","7","6","1","1") = "6"
    & skf21("2","6","5","7","7","6","2","1") = "6"
    & skf21("2","6","5","7","7","6","3","1") = "6"
    & skf21("2","6","5","7","7","6","4","1") = "6"
    & skf21("2","6","5","7","7","6","5","1") = "6"
    & skf21("2","6","5","7","7","6","6","1") = "6"
    & skf21("2","6","5","7","7","6","7","1") = "6"
    & skf21("2","6","5","7","7","7","1","1") = "6"
    & skf21("2","6","5","7","7","7","2","1") = "6"
    & skf21("2","6","5","7","7","7","3","1") = "6"
    & skf21("2","6","5","7","7","7","4","1") = "6"
    & skf21("2","6","5","7","7","7","5","1") = "6"
    & skf21("2","6","5","7","7","7","6","1") = "6"
    & skf21("2","6","5","7","7","7","7","1") = "6"
    & skf21("2","6","6","1","1","1","1","1") = "5"
    & skf21("2","6","6","1","1","1","2","1") = "5"
    & skf21("2","6","6","1","1","1","3","1") = "5"
    & skf21("2","6","6","1","1","1","4","1") = "5"
    & skf21("2","6","6","1","1","1","5","1") = "5"
    & skf21("2","6","6","1","1","1","6","1") = "5"
    & skf21("2","6","6","1","1","1","7","1") = "6"
    & skf21("2","6","6","1","1","2","1","1") = "5"
    & skf21("2","6","6","1","1","2","2","1") = "5"
    & skf21("2","6","6","1","1","2","3","1") = "5"
    & skf21("2","6","6","1","1","2","4","1") = "5"
    & skf21("2","6","6","1","1","2","5","1") = "5"
    & skf21("2","6","6","1","1","2","6","1") = "5"
    & skf21("2","6","6","1","1","2","7","1") = "6"
    & skf21("2","6","6","1","1","3","1","1") = "5"
    & skf21("2","6","6","1","1","3","2","1") = "5"
    & skf21("2","6","6","1","1","3","3","1") = "5"
    & skf21("2","6","6","1","1","3","4","1") = "5"
    & skf21("2","6","6","1","1","3","5","1") = "5"
    & skf21("2","6","6","1","1","3","6","1") = "5"
    & skf21("2","6","6","1","1","3","7","1") = "6"
    & skf21("2","6","6","1","1","4","1","1") = "5"
    & skf21("2","6","6","1","1","4","2","1") = "5"
    & skf21("2","6","6","1","1","4","3","1") = "5"
    & skf21("2","6","6","1","1","4","4","1") = "5"
    & skf21("2","6","6","1","1","4","5","1") = "5"
    & skf21("2","6","6","1","1","4","6","1") = "5"
    & skf21("2","6","6","1","1","4","7","1") = "6"
    & skf21("2","6","6","1","1","5","1","1") = "5"
    & skf21("2","6","6","1","1","5","2","1") = "5"
    & skf21("2","6","6","1","1","5","3","1") = "5"
    & skf21("2","6","6","1","1","5","4","1") = "5"
    & skf21("2","6","6","1","1","5","5","1") = "5"
    & skf21("2","6","6","1","1","5","6","1") = "5"
    & skf21("2","6","6","1","1","5","7","1") = "6"
    & skf21("2","6","6","1","1","6","1","1") = "5"
    & skf21("2","6","6","1","1","6","2","1") = "5"
    & skf21("2","6","6","1","1","6","3","1") = "5"
    & skf21("2","6","6","1","1","6","4","1") = "5"
    & skf21("2","6","6","1","1","6","5","1") = "5"
    & skf21("2","6","6","1","1","6","6","1") = "5"
    & skf21("2","6","6","1","1","6","7","1") = "6"
    & skf21("2","6","6","1","1","7","1","1") = "6"
    & skf21("2","6","6","1","1","7","2","1") = "6"
    & skf21("2","6","6","1","1","7","3","1") = "6"
    & skf21("2","6","6","1","1","7","4","1") = "6"
    & skf21("2","6","6","1","1","7","5","1") = "6"
    & skf21("2","6","6","1","1","7","6","1") = "6"
    & skf21("2","6","6","1","1","7","7","1") = "6"
    & skf21("2","6","6","1","2","1","1","1") = "5"
    & skf21("2","6","6","1","2","1","2","1") = "5"
    & skf21("2","6","6","1","2","1","3","1") = "5"
    & skf21("2","6","6","1","2","1","4","1") = "5"
    & skf21("2","6","6","1","2","1","5","1") = "5"
    & skf21("2","6","6","1","2","1","6","1") = "5"
    & skf21("2","6","6","1","2","1","7","1") = "6"
    & skf21("2","6","6","1","2","2","1","1") = "5"
    & skf21("2","6","6","1","2","2","2","1") = "5"
    & skf21("2","6","6","1","2","2","3","1") = "5"
    & skf21("2","6","6","1","2","2","4","1") = "5"
    & skf21("2","6","6","1","2","2","5","1") = "5"
    & skf21("2","6","6","1","2","2","6","1") = "5"
    & skf21("2","6","6","1","2","2","7","1") = "6"
    & skf21("2","6","6","1","2","3","1","1") = "5"
    & skf21("2","6","6","1","2","3","2","1") = "5"
    & skf21("2","6","6","1","2","3","3","1") = "5"
    & skf21("2","6","6","1","2","3","4","1") = "5"
    & skf21("2","6","6","1","2","3","5","1") = "5"
    & skf21("2","6","6","1","2","3","6","1") = "5"
    & skf21("2","6","6","1","2","3","7","1") = "6"
    & skf21("2","6","6","1","2","4","1","1") = "5"
    & skf21("2","6","6","1","2","4","2","1") = "5"
    & skf21("2","6","6","1","2","4","3","1") = "5"
    & skf21("2","6","6","1","2","4","4","1") = "5"
    & skf21("2","6","6","1","2","4","5","1") = "5"
    & skf21("2","6","6","1","2","4","6","1") = "5"
    & skf21("2","6","6","1","2","4","7","1") = "6"
    & skf21("2","6","6","1","2","5","1","1") = "5"
    & skf21("2","6","6","1","2","5","2","1") = "5"
    & skf21("2","6","6","1","2","5","3","1") = "5"
    & skf21("2","6","6","1","2","5","4","1") = "5"
    & skf21("2","6","6","1","2","5","5","1") = "5"
    & skf21("2","6","6","1","2","5","6","1") = "5"
    & skf21("2","6","6","1","2","5","7","1") = "6"
    & skf21("2","6","6","1","2","6","1","1") = "5"
    & skf21("2","6","6","1","2","6","2","1") = "5"
    & skf21("2","6","6","1","2","6","3","1") = "5"
    & skf21("2","6","6","1","2","6","4","1") = "5"
    & skf21("2","6","6","1","2","6","5","1") = "5"
    & skf21("2","6","6","1","2","6","6","1") = "5"
    & skf21("2","6","6","1","2","6","7","1") = "6"
    & skf21("2","6","6","1","2","7","1","1") = "6"
    & skf21("2","6","6","1","2","7","2","1") = "6"
    & skf21("2","6","6","1","2","7","3","1") = "6"
    & skf21("2","6","6","1","2","7","4","1") = "6"
    & skf21("2","6","6","1","2","7","5","1") = "6"
    & skf21("2","6","6","1","2","7","6","1") = "6"
    & skf21("2","6","6","1","2","7","7","1") = "6"
    & skf21("2","6","6","1","3","1","1","1") = "5"
    & skf21("2","6","6","1","3","1","2","1") = "5"
    & skf21("2","6","6","1","3","1","3","1") = "5"
    & skf21("2","6","6","1","3","1","4","1") = "5"
    & skf21("2","6","6","1","3","1","5","1") = "5"
    & skf21("2","6","6","1","3","1","6","1") = "5"
    & skf21("2","6","6","1","3","1","7","1") = "6"
    & skf21("2","6","6","1","3","2","1","1") = "5"
    & skf21("2","6","6","1","3","2","2","1") = "5"
    & skf21("2","6","6","1","3","2","3","1") = "5"
    & skf21("2","6","6","1","3","2","4","1") = "5"
    & skf21("2","6","6","1","3","2","5","1") = "5"
    & skf21("2","6","6","1","3","2","6","1") = "5"
    & skf21("2","6","6","1","3","2","7","1") = "6"
    & skf21("2","6","6","1","3","3","1","1") = "5"
    & skf21("2","6","6","1","3","3","2","1") = "5"
    & skf21("2","6","6","1","3","3","3","1") = "5"
    & skf21("2","6","6","1","3","3","4","1") = "5"
    & skf21("2","6","6","1","3","3","5","1") = "5"
    & skf21("2","6","6","1","3","3","6","1") = "5"
    & skf21("2","6","6","1","3","3","7","1") = "6"
    & skf21("2","6","6","1","3","4","1","1") = "5"
    & skf21("2","6","6","1","3","4","2","1") = "5"
    & skf21("2","6","6","1","3","4","3","1") = "5"
    & skf21("2","6","6","1","3","4","4","1") = "5"
    & skf21("2","6","6","1","3","4","5","1") = "5"
    & skf21("2","6","6","1","3","4","6","1") = "5"
    & skf21("2","6","6","1","3","4","7","1") = "6"
    & skf21("2","6","6","1","3","5","1","1") = "5"
    & skf21("2","6","6","1","3","5","2","1") = "5"
    & skf21("2","6","6","1","3","5","3","1") = "5"
    & skf21("2","6","6","1","3","5","4","1") = "5"
    & skf21("2","6","6","1","3","5","5","1") = "5"
    & skf21("2","6","6","1","3","5","6","1") = "5"
    & skf21("2","6","6","1","3","5","7","1") = "6"
    & skf21("2","6","6","1","3","6","1","1") = "5"
    & skf21("2","6","6","1","3","6","2","1") = "5"
    & skf21("2","6","6","1","3","6","3","1") = "5"
    & skf21("2","6","6","1","3","6","4","1") = "5"
    & skf21("2","6","6","1","3","6","5","1") = "5"
    & skf21("2","6","6","1","3","6","6","1") = "5"
    & skf21("2","6","6","1","3","6","7","1") = "6"
    & skf21("2","6","6","1","3","7","1","1") = "6"
    & skf21("2","6","6","1","3","7","2","1") = "6"
    & skf21("2","6","6","1","3","7","3","1") = "6"
    & skf21("2","6","6","1","3","7","4","1") = "6"
    & skf21("2","6","6","1","3","7","5","1") = "6"
    & skf21("2","6","6","1","3","7","6","1") = "6"
    & skf21("2","6","6","1","3","7","7","1") = "6"
    & skf21("2","6","6","1","4","1","1","1") = "5"
    & skf21("2","6","6","1","4","1","2","1") = "5"
    & skf21("2","6","6","1","4","1","3","1") = "5"
    & skf21("2","6","6","1","4","1","4","1") = "5"
    & skf21("2","6","6","1","4","1","5","1") = "5"
    & skf21("2","6","6","1","4","1","6","1") = "5"
    & skf21("2","6","6","1","4","1","7","1") = "6"
    & skf21("2","6","6","1","4","2","1","1") = "5"
    & skf21("2","6","6","1","4","2","2","1") = "5"
    & skf21("2","6","6","1","4","2","3","1") = "5"
    & skf21("2","6","6","1","4","2","4","1") = "5"
    & skf21("2","6","6","1","4","2","5","1") = "5"
    & skf21("2","6","6","1","4","2","6","1") = "5"
    & skf21("2","6","6","1","4","2","7","1") = "6"
    & skf21("2","6","6","1","4","3","1","1") = "5"
    & skf21("2","6","6","1","4","3","2","1") = "5"
    & skf21("2","6","6","1","4","3","3","1") = "5"
    & skf21("2","6","6","1","4","3","4","1") = "5"
    & skf21("2","6","6","1","4","3","5","1") = "5"
    & skf21("2","6","6","1","4","3","6","1") = "5"
    & skf21("2","6","6","1","4","3","7","1") = "6"
    & skf21("2","6","6","1","4","4","1","1") = "5"
    & skf21("2","6","6","1","4","4","2","1") = "5"
    & skf21("2","6","6","1","4","4","3","1") = "5"
    & skf21("2","6","6","1","4","4","4","1") = "5"
    & skf21("2","6","6","1","4","4","5","1") = "5"
    & skf21("2","6","6","1","4","4","6","1") = "5"
    & skf21("2","6","6","1","4","4","7","1") = "6"
    & skf21("2","6","6","1","4","5","1","1") = "5"
    & skf21("2","6","6","1","4","5","2","1") = "5"
    & skf21("2","6","6","1","4","5","3","1") = "5"
    & skf21("2","6","6","1","4","5","4","1") = "5"
    & skf21("2","6","6","1","4","5","5","1") = "5"
    & skf21("2","6","6","1","4","5","6","1") = "5"
    & skf21("2","6","6","1","4","5","7","1") = "6"
    & skf21("2","6","6","1","4","6","1","1") = "5"
    & skf21("2","6","6","1","4","6","2","1") = "5"
    & skf21("2","6","6","1","4","6","3","1") = "5"
    & skf21("2","6","6","1","4","6","4","1") = "5"
    & skf21("2","6","6","1","4","6","5","1") = "5"
    & skf21("2","6","6","1","4","6","6","1") = "5"
    & skf21("2","6","6","1","4","6","7","1") = "6"
    & skf21("2","6","6","1","4","7","1","1") = "6"
    & skf21("2","6","6","1","4","7","2","1") = "6"
    & skf21("2","6","6","1","4","7","3","1") = "6"
    & skf21("2","6","6","1","4","7","4","1") = "6"
    & skf21("2","6","6","1","4","7","5","1") = "6"
    & skf21("2","6","6","1","4","7","6","1") = "6"
    & skf21("2","6","6","1","4","7","7","1") = "6"
    & skf21("2","6","6","1","5","1","1","1") = "5"
    & skf21("2","6","6","1","5","1","2","1") = "5"
    & skf21("2","6","6","1","5","1","3","1") = "5"
    & skf21("2","6","6","1","5","1","4","1") = "5"
    & skf21("2","6","6","1","5","1","5","1") = "5"
    & skf21("2","6","6","1","5","1","6","1") = "5"
    & skf21("2","6","6","1","5","1","7","1") = "6"
    & skf21("2","6","6","1","5","2","1","1") = "5"
    & skf21("2","6","6","1","5","2","2","1") = "5"
    & skf21("2","6","6","1","5","2","3","1") = "5"
    & skf21("2","6","6","1","5","2","4","1") = "5"
    & skf21("2","6","6","1","5","2","5","1") = "5"
    & skf21("2","6","6","1","5","2","6","1") = "5"
    & skf21("2","6","6","1","5","2","7","1") = "6"
    & skf21("2","6","6","1","5","3","1","1") = "5"
    & skf21("2","6","6","1","5","3","2","1") = "5"
    & skf21("2","6","6","1","5","3","3","1") = "5"
    & skf21("2","6","6","1","5","3","4","1") = "5"
    & skf21("2","6","6","1","5","3","5","1") = "5"
    & skf21("2","6","6","1","5","3","6","1") = "5"
    & skf21("2","6","6","1","5","3","7","1") = "6"
    & skf21("2","6","6","1","5","4","1","1") = "5"
    & skf21("2","6","6","1","5","4","2","1") = "5"
    & skf21("2","6","6","1","5","4","3","1") = "5"
    & skf21("2","6","6","1","5","4","4","1") = "5"
    & skf21("2","6","6","1","5","4","5","1") = "5"
    & skf21("2","6","6","1","5","4","6","1") = "5"
    & skf21("2","6","6","1","5","4","7","1") = "6"
    & skf21("2","6","6","1","5","5","1","1") = "5"
    & skf21("2","6","6","1","5","5","2","1") = "5"
    & skf21("2","6","6","1","5","5","3","1") = "5"
    & skf21("2","6","6","1","5","5","4","1") = "5"
    & skf21("2","6","6","1","5","5","5","1") = "5"
    & skf21("2","6","6","1","5","5","6","1") = "5"
    & skf21("2","6","6","1","5","5","7","1") = "6"
    & skf21("2","6","6","1","5","6","1","1") = "5"
    & skf21("2","6","6","1","5","6","2","1") = "5"
    & skf21("2","6","6","1","5","6","3","1") = "5"
    & skf21("2","6","6","1","5","6","4","1") = "5"
    & skf21("2","6","6","1","5","6","5","1") = "5"
    & skf21("2","6","6","1","5","6","6","1") = "5"
    & skf21("2","6","6","1","5","6","7","1") = "6"
    & skf21("2","6","6","1","5","7","1","1") = "6"
    & skf21("2","6","6","1","5","7","2","1") = "6"
    & skf21("2","6","6","1","5","7","3","1") = "6"
    & skf21("2","6","6","1","5","7","4","1") = "6"
    & skf21("2","6","6","1","5","7","5","1") = "6"
    & skf21("2","6","6","1","5","7","6","1") = "6"
    & skf21("2","6","6","1","5","7","7","1") = "6"
    & skf21("2","6","6","1","6","1","1","1") = "5"
    & skf21("2","6","6","1","6","1","2","1") = "5"
    & skf21("2","6","6","1","6","1","3","1") = "5"
    & skf21("2","6","6","1","6","1","4","1") = "5"
    & skf21("2","6","6","1","6","1","5","1") = "5"
    & skf21("2","6","6","1","6","1","6","1") = "5"
    & skf21("2","6","6","1","6","1","7","1") = "6"
    & skf21("2","6","6","1","6","2","1","1") = "5"
    & skf21("2","6","6","1","6","2","2","1") = "5"
    & skf21("2","6","6","1","6","2","3","1") = "5"
    & skf21("2","6","6","1","6","2","4","1") = "5"
    & skf21("2","6","6","1","6","2","5","1") = "5"
    & skf21("2","6","6","1","6","2","6","1") = "5"
    & skf21("2","6","6","1","6","2","7","1") = "6"
    & skf21("2","6","6","1","6","3","1","1") = "5"
    & skf21("2","6","6","1","6","3","2","1") = "5"
    & skf21("2","6","6","1","6","3","3","1") = "5"
    & skf21("2","6","6","1","6","3","4","1") = "5"
    & skf21("2","6","6","1","6","3","5","1") = "5"
    & skf21("2","6","6","1","6","3","6","1") = "5"
    & skf21("2","6","6","1","6","3","7","1") = "6"
    & skf21("2","6","6","1","6","4","1","1") = "5"
    & skf21("2","6","6","1","6","4","2","1") = "5"
    & skf21("2","6","6","1","6","4","3","1") = "5"
    & skf21("2","6","6","1","6","4","4","1") = "5"
    & skf21("2","6","6","1","6","4","5","1") = "5"
    & skf21("2","6","6","1","6","4","6","1") = "5"
    & skf21("2","6","6","1","6","4","7","1") = "6"
    & skf21("2","6","6","1","6","5","1","1") = "5"
    & skf21("2","6","6","1","6","5","2","1") = "5"
    & skf21("2","6","6","1","6","5","3","1") = "5"
    & skf21("2","6","6","1","6","5","4","1") = "5"
    & skf21("2","6","6","1","6","5","5","1") = "5"
    & skf21("2","6","6","1","6","5","6","1") = "5"
    & skf21("2","6","6","1","6","5","7","1") = "6"
    & skf21("2","6","6","1","6","6","1","1") = "5"
    & skf21("2","6","6","1","6","6","2","1") = "5"
    & skf21("2","6","6","1","6","6","3","1") = "5"
    & skf21("2","6","6","1","6","6","4","1") = "5"
    & skf21("2","6","6","1","6","6","5","1") = "5"
    & skf21("2","6","6","1","6","6","6","1") = "5"
    & skf21("2","6","6","1","6","6","7","1") = "6"
    & skf21("2","6","6","1","6","7","1","1") = "6"
    & skf21("2","6","6","1","6","7","2","1") = "6"
    & skf21("2","6","6","1","6","7","3","1") = "6"
    & skf21("2","6","6","1","6","7","4","1") = "6"
    & skf21("2","6","6","1","6","7","5","1") = "6"
    & skf21("2","6","6","1","6","7","6","1") = "6"
    & skf21("2","6","6","1","6","7","7","1") = "6"
    & skf21("2","6","6","1","7","1","1","1") = "6"
    & skf21("2","6","6","1","7","1","2","1") = "6"
    & skf21("2","6","6","1","7","1","3","1") = "6"
    & skf21("2","6","6","1","7","1","4","1") = "6"
    & skf21("2","6","6","1","7","1","5","1") = "6"
    & skf21("2","6","6","1","7","1","6","1") = "6"
    & skf21("2","6","6","1","7","1","7","1") = "6"
    & skf21("2","6","6","1","7","2","1","1") = "6"
    & skf21("2","6","6","1","7","2","2","1") = "6"
    & skf21("2","6","6","1","7","2","3","1") = "6"
    & skf21("2","6","6","1","7","2","4","1") = "6"
    & skf21("2","6","6","1","7","2","5","1") = "6"
    & skf21("2","6","6","1","7","2","6","1") = "6"
    & skf21("2","6","6","1","7","2","7","1") = "6"
    & skf21("2","6","6","1","7","3","1","1") = "6"
    & skf21("2","6","6","1","7","3","2","1") = "6"
    & skf21("2","6","6","1","7","3","3","1") = "6"
    & skf21("2","6","6","1","7","3","4","1") = "6"
    & skf21("2","6","6","1","7","3","5","1") = "6"
    & skf21("2","6","6","1","7","3","6","1") = "6"
    & skf21("2","6","6","1","7","3","7","1") = "6"
    & skf21("2","6","6","1","7","4","1","1") = "6"
    & skf21("2","6","6","1","7","4","2","1") = "6"
    & skf21("2","6","6","1","7","4","3","1") = "6"
    & skf21("2","6","6","1","7","4","4","1") = "6"
    & skf21("2","6","6","1","7","4","5","1") = "6"
    & skf21("2","6","6","1","7","4","6","1") = "6"
    & skf21("2","6","6","1","7","4","7","1") = "6"
    & skf21("2","6","6","1","7","5","1","1") = "6"
    & skf21("2","6","6","1","7","5","2","1") = "6"
    & skf21("2","6","6","1","7","5","3","1") = "6"
    & skf21("2","6","6","1","7","5","4","1") = "6"
    & skf21("2","6","6","1","7","5","5","1") = "6"
    & skf21("2","6","6","1","7","5","6","1") = "6"
    & skf21("2","6","6","1","7","5","7","1") = "6"
    & skf21("2","6","6","1","7","6","1","1") = "6"
    & skf21("2","6","6","1","7","6","2","1") = "6"
    & skf21("2","6","6","1","7","6","3","1") = "6"
    & skf21("2","6","6","1","7","6","4","1") = "6"
    & skf21("2","6","6","1","7","6","5","1") = "6"
    & skf21("2","6","6","1","7","6","6","1") = "6"
    & skf21("2","6","6","1","7","6","7","1") = "6"
    & skf21("2","6","6","1","7","7","1","1") = "6"
    & skf21("2","6","6","1","7","7","2","1") = "6"
    & skf21("2","6","6","1","7","7","3","1") = "6"
    & skf21("2","6","6","1","7","7","4","1") = "6"
    & skf21("2","6","6","1","7","7","5","1") = "6"
    & skf21("2","6","6","1","7","7","6","1") = "6"
    & skf21("2","6","6","1","7","7","7","1") = "6"
    & skf21("2","6","6","2","1","1","1","1") = "5"
    & skf21("2","6","6","2","1","1","2","1") = "5"
    & skf21("2","6","6","2","1","1","3","1") = "5"
    & skf21("2","6","6","2","1","1","4","1") = "5"
    & skf21("2","6","6","2","1","1","5","1") = "5"
    & skf21("2","6","6","2","1","1","6","1") = "5"
    & skf21("2","6","6","2","1","1","7","1") = "6"
    & skf21("2","6","6","2","1","2","1","1") = "5"
    & skf21("2","6","6","2","1","2","2","1") = "5"
    & skf21("2","6","6","2","1","2","3","1") = "5"
    & skf21("2","6","6","2","1","2","4","1") = "5"
    & skf21("2","6","6","2","1","2","5","1") = "5"
    & skf21("2","6","6","2","1","2","6","1") = "5"
    & skf21("2","6","6","2","1","2","7","1") = "6"
    & skf21("2","6","6","2","1","3","1","1") = "5"
    & skf21("2","6","6","2","1","3","2","1") = "5"
    & skf21("2","6","6","2","1","3","3","1") = "5"
    & skf21("2","6","6","2","1","3","4","1") = "5"
    & skf21("2","6","6","2","1","3","5","1") = "5"
    & skf21("2","6","6","2","1","3","6","1") = "5"
    & skf21("2","6","6","2","1","3","7","1") = "6"
    & skf21("2","6","6","2","1","4","1","1") = "5"
    & skf21("2","6","6","2","1","4","2","1") = "5"
    & skf21("2","6","6","2","1","4","3","1") = "5"
    & skf21("2","6","6","2","1","4","4","1") = "5"
    & skf21("2","6","6","2","1","4","5","1") = "5"
    & skf21("2","6","6","2","1","4","6","1") = "5"
    & skf21("2","6","6","2","1","4","7","1") = "6"
    & skf21("2","6","6","2","1","5","1","1") = "5"
    & skf21("2","6","6","2","1","5","2","1") = "5"
    & skf21("2","6","6","2","1","5","3","1") = "5"
    & skf21("2","6","6","2","1","5","4","1") = "5"
    & skf21("2","6","6","2","1","5","5","1") = "5"
    & skf21("2","6","6","2","1","5","6","1") = "5"
    & skf21("2","6","6","2","1","5","7","1") = "6"
    & skf21("2","6","6","2","1","6","1","1") = "5"
    & skf21("2","6","6","2","1","6","2","1") = "5"
    & skf21("2","6","6","2","1","6","3","1") = "5"
    & skf21("2","6","6","2","1","6","4","1") = "5"
    & skf21("2","6","6","2","1","6","5","1") = "5"
    & skf21("2","6","6","2","1","6","6","1") = "5"
    & skf21("2","6","6","2","1","6","7","1") = "6"
    & skf21("2","6","6","2","1","7","1","1") = "6"
    & skf21("2","6","6","2","1","7","2","1") = "6"
    & skf21("2","6","6","2","1","7","3","1") = "6"
    & skf21("2","6","6","2","1","7","4","1") = "6"
    & skf21("2","6","6","2","1","7","5","1") = "6"
    & skf21("2","6","6","2","1","7","6","1") = "6"
    & skf21("2","6","6","2","1","7","7","1") = "6"
    & skf21("2","6","6","2","2","1","1","1") = "5"
    & skf21("2","6","6","2","2","1","2","1") = "5"
    & skf21("2","6","6","2","2","1","3","1") = "5"
    & skf21("2","6","6","2","2","1","4","1") = "5"
    & skf21("2","6","6","2","2","1","5","1") = "5"
    & skf21("2","6","6","2","2","1","6","1") = "5"
    & skf21("2","6","6","2","2","1","7","1") = "6"
    & skf21("2","6","6","2","2","2","1","1") = "5"
    & skf21("2","6","6","2","2","2","2","1") = "5"
    & skf21("2","6","6","2","2","2","3","1") = "5"
    & skf21("2","6","6","2","2","2","4","1") = "5"
    & skf21("2","6","6","2","2","2","5","1") = "5"
    & skf21("2","6","6","2","2","2","6","1") = "5"
    & skf21("2","6","6","2","2","2","7","1") = "6"
    & skf21("2","6","6","2","2","3","1","1") = "5"
    & skf21("2","6","6","2","2","3","2","1") = "5"
    & skf21("2","6","6","2","2","3","3","1") = "5"
    & skf21("2","6","6","2","2","3","4","1") = "5"
    & skf21("2","6","6","2","2","3","5","1") = "5"
    & skf21("2","6","6","2","2","3","6","1") = "5"
    & skf21("2","6","6","2","2","3","7","1") = "6"
    & skf21("2","6","6","2","2","4","1","1") = "5"
    & skf21("2","6","6","2","2","4","2","1") = "5"
    & skf21("2","6","6","2","2","4","3","1") = "5"
    & skf21("2","6","6","2","2","4","4","1") = "5"
    & skf21("2","6","6","2","2","4","5","1") = "5"
    & skf21("2","6","6","2","2","4","6","1") = "5"
    & skf21("2","6","6","2","2","4","7","1") = "6"
    & skf21("2","6","6","2","2","5","1","1") = "5"
    & skf21("2","6","6","2","2","5","2","1") = "5"
    & skf21("2","6","6","2","2","5","3","1") = "5"
    & skf21("2","6","6","2","2","5","4","1") = "5"
    & skf21("2","6","6","2","2","5","5","1") = "5"
    & skf21("2","6","6","2","2","5","6","1") = "5"
    & skf21("2","6","6","2","2","5","7","1") = "6"
    & skf21("2","6","6","2","2","6","1","1") = "5"
    & skf21("2","6","6","2","2","6","2","1") = "5"
    & skf21("2","6","6","2","2","6","3","1") = "5"
    & skf21("2","6","6","2","2","6","4","1") = "5"
    & skf21("2","6","6","2","2","6","5","1") = "5"
    & skf21("2","6","6","2","2","6","6","1") = "5"
    & skf21("2","6","6","2","2","6","7","1") = "6"
    & skf21("2","6","6","2","2","7","1","1") = "6"
    & skf21("2","6","6","2","2","7","2","1") = "6"
    & skf21("2","6","6","2","2","7","3","1") = "6"
    & skf21("2","6","6","2","2","7","4","1") = "6"
    & skf21("2","6","6","2","2","7","5","1") = "6"
    & skf21("2","6","6","2","2","7","6","1") = "6"
    & skf21("2","6","6","2","2","7","7","1") = "6"
    & skf21("2","6","6","2","3","1","1","1") = "5"
    & skf21("2","6","6","2","3","1","2","1") = "5"
    & skf21("2","6","6","2","3","1","3","1") = "5"
    & skf21("2","6","6","2","3","1","4","1") = "5"
    & skf21("2","6","6","2","3","1","5","1") = "5"
    & skf21("2","6","6","2","3","1","6","1") = "5"
    & skf21("2","6","6","2","3","1","7","1") = "6"
    & skf21("2","6","6","2","3","2","1","1") = "5"
    & skf21("2","6","6","2","3","2","2","1") = "5"
    & skf21("2","6","6","2","3","2","3","1") = "5"
    & skf21("2","6","6","2","3","2","4","1") = "5"
    & skf21("2","6","6","2","3","2","5","1") = "5"
    & skf21("2","6","6","2","3","2","6","1") = "5"
    & skf21("2","6","6","2","3","2","7","1") = "6"
    & skf21("2","6","6","2","3","3","1","1") = "5"
    & skf21("2","6","6","2","3","3","2","1") = "5"
    & skf21("2","6","6","2","3","3","3","1") = "5"
    & skf21("2","6","6","2","3","3","4","1") = "5"
    & skf21("2","6","6","2","3","3","5","1") = "5"
    & skf21("2","6","6","2","3","3","6","1") = "5"
    & skf21("2","6","6","2","3","3","7","1") = "6"
    & skf21("2","6","6","2","3","4","1","1") = "5"
    & skf21("2","6","6","2","3","4","2","1") = "5"
    & skf21("2","6","6","2","3","4","3","1") = "5"
    & skf21("2","6","6","2","3","4","4","1") = "5"
    & skf21("2","6","6","2","3","4","5","1") = "5"
    & skf21("2","6","6","2","3","4","6","1") = "5"
    & skf21("2","6","6","2","3","4","7","1") = "6"
    & skf21("2","6","6","2","3","5","1","1") = "5"
    & skf21("2","6","6","2","3","5","2","1") = "5"
    & skf21("2","6","6","2","3","5","3","1") = "5"
    & skf21("2","6","6","2","3","5","4","1") = "5"
    & skf21("2","6","6","2","3","5","5","1") = "5"
    & skf21("2","6","6","2","3","5","6","1") = "5"
    & skf21("2","6","6","2","3","5","7","1") = "6"
    & skf21("2","6","6","2","3","6","1","1") = "5"
    & skf21("2","6","6","2","3","6","2","1") = "5"
    & skf21("2","6","6","2","3","6","3","1") = "5"
    & skf21("2","6","6","2","3","6","4","1") = "5"
    & skf21("2","6","6","2","3","6","5","1") = "5"
    & skf21("2","6","6","2","3","6","6","1") = "5"
    & skf21("2","6","6","2","3","6","7","1") = "6"
    & skf21("2","6","6","2","3","7","1","1") = "6"
    & skf21("2","6","6","2","3","7","2","1") = "6"
    & skf21("2","6","6","2","3","7","3","1") = "6"
    & skf21("2","6","6","2","3","7","4","1") = "6"
    & skf21("2","6","6","2","3","7","5","1") = "6"
    & skf21("2","6","6","2","3","7","6","1") = "6"
    & skf21("2","6","6","2","3","7","7","1") = "6"
    & skf21("2","6","6","2","4","1","1","1") = "5"
    & skf21("2","6","6","2","4","1","2","1") = "5"
    & skf21("2","6","6","2","4","1","3","1") = "5"
    & skf21("2","6","6","2","4","1","4","1") = "5"
    & skf21("2","6","6","2","4","1","5","1") = "5"
    & skf21("2","6","6","2","4","1","6","1") = "5"
    & skf21("2","6","6","2","4","1","7","1") = "6"
    & skf21("2","6","6","2","4","2","1","1") = "5"
    & skf21("2","6","6","2","4","2","2","1") = "5"
    & skf21("2","6","6","2","4","2","3","1") = "5"
    & skf21("2","6","6","2","4","2","4","1") = "5"
    & skf21("2","6","6","2","4","2","5","1") = "5"
    & skf21("2","6","6","2","4","2","6","1") = "5"
    & skf21("2","6","6","2","4","2","7","1") = "6"
    & skf21("2","6","6","2","4","3","1","1") = "5"
    & skf21("2","6","6","2","4","3","2","1") = "5"
    & skf21("2","6","6","2","4","3","3","1") = "5"
    & skf21("2","6","6","2","4","3","4","1") = "5"
    & skf21("2","6","6","2","4","3","5","1") = "5"
    & skf21("2","6","6","2","4","3","6","1") = "5"
    & skf21("2","6","6","2","4","3","7","1") = "6"
    & skf21("2","6","6","2","4","4","1","1") = "5"
    & skf21("2","6","6","2","4","4","2","1") = "5"
    & skf21("2","6","6","2","4","4","3","1") = "5"
    & skf21("2","6","6","2","4","4","4","1") = "5"
    & skf21("2","6","6","2","4","4","5","1") = "5"
    & skf21("2","6","6","2","4","4","6","1") = "5"
    & skf21("2","6","6","2","4","4","7","1") = "6"
    & skf21("2","6","6","2","4","5","1","1") = "5"
    & skf21("2","6","6","2","4","5","2","1") = "5"
    & skf21("2","6","6","2","4","5","3","1") = "5"
    & skf21("2","6","6","2","4","5","4","1") = "5"
    & skf21("2","6","6","2","4","5","5","1") = "5"
    & skf21("2","6","6","2","4","5","6","1") = "5"
    & skf21("2","6","6","2","4","5","7","1") = "6"
    & skf21("2","6","6","2","4","6","1","1") = "5"
    & skf21("2","6","6","2","4","6","2","1") = "5"
    & skf21("2","6","6","2","4","6","3","1") = "5"
    & skf21("2","6","6","2","4","6","4","1") = "5"
    & skf21("2","6","6","2","4","6","5","1") = "5"
    & skf21("2","6","6","2","4","6","6","1") = "5"
    & skf21("2","6","6","2","4","6","7","1") = "6"
    & skf21("2","6","6","2","4","7","1","1") = "6"
    & skf21("2","6","6","2","4","7","2","1") = "6"
    & skf21("2","6","6","2","4","7","3","1") = "6"
    & skf21("2","6","6","2","4","7","4","1") = "6"
    & skf21("2","6","6","2","4","7","5","1") = "6"
    & skf21("2","6","6","2","4","7","6","1") = "6"
    & skf21("2","6","6","2","4","7","7","1") = "6"
    & skf21("2","6","6","2","5","1","1","1") = "5"
    & skf21("2","6","6","2","5","1","2","1") = "5"
    & skf21("2","6","6","2","5","1","3","1") = "5"
    & skf21("2","6","6","2","5","1","4","1") = "5"
    & skf21("2","6","6","2","5","1","5","1") = "5"
    & skf21("2","6","6","2","5","1","6","1") = "5"
    & skf21("2","6","6","2","5","1","7","1") = "6"
    & skf21("2","6","6","2","5","2","1","1") = "5"
    & skf21("2","6","6","2","5","2","2","1") = "5"
    & skf21("2","6","6","2","5","2","3","1") = "5"
    & skf21("2","6","6","2","5","2","4","1") = "5"
    & skf21("2","6","6","2","5","2","5","1") = "5"
    & skf21("2","6","6","2","5","2","6","1") = "5"
    & skf21("2","6","6","2","5","2","7","1") = "6"
    & skf21("2","6","6","2","5","3","1","1") = "5"
    & skf21("2","6","6","2","5","3","2","1") = "5"
    & skf21("2","6","6","2","5","3","3","1") = "5"
    & skf21("2","6","6","2","5","3","4","1") = "5"
    & skf21("2","6","6","2","5","3","5","1") = "5"
    & skf21("2","6","6","2","5","3","6","1") = "5"
    & skf21("2","6","6","2","5","3","7","1") = "6"
    & skf21("2","6","6","2","5","4","1","1") = "5"
    & skf21("2","6","6","2","5","4","2","1") = "5"
    & skf21("2","6","6","2","5","4","3","1") = "5"
    & skf21("2","6","6","2","5","4","4","1") = "5"
    & skf21("2","6","6","2","5","4","5","1") = "5"
    & skf21("2","6","6","2","5","4","6","1") = "5"
    & skf21("2","6","6","2","5","4","7","1") = "6"
    & skf21("2","6","6","2","5","5","1","1") = "5"
    & skf21("2","6","6","2","5","5","2","1") = "5"
    & skf21("2","6","6","2","5","5","3","1") = "5"
    & skf21("2","6","6","2","5","5","4","1") = "5"
    & skf21("2","6","6","2","5","5","5","1") = "5"
    & skf21("2","6","6","2","5","5","6","1") = "5"
    & skf21("2","6","6","2","5","5","7","1") = "6"
    & skf21("2","6","6","2","5","6","1","1") = "5"
    & skf21("2","6","6","2","5","6","2","1") = "5"
    & skf21("2","6","6","2","5","6","3","1") = "5"
    & skf21("2","6","6","2","5","6","4","1") = "5"
    & skf21("2","6","6","2","5","6","5","1") = "5"
    & skf21("2","6","6","2","5","6","6","1") = "5"
    & skf21("2","6","6","2","5","6","7","1") = "6"
    & skf21("2","6","6","2","5","7","1","1") = "6"
    & skf21("2","6","6","2","5","7","2","1") = "6"
    & skf21("2","6","6","2","5","7","3","1") = "6"
    & skf21("2","6","6","2","5","7","4","1") = "6"
    & skf21("2","6","6","2","5","7","5","1") = "6"
    & skf21("2","6","6","2","5","7","6","1") = "6"
    & skf21("2","6","6","2","5","7","7","1") = "6"
    & skf21("2","6","6","2","6","1","1","1") = "5"
    & skf21("2","6","6","2","6","1","2","1") = "5"
    & skf21("2","6","6","2","6","1","3","1") = "5"
    & skf21("2","6","6","2","6","1","4","1") = "5"
    & skf21("2","6","6","2","6","1","5","1") = "5"
    & skf21("2","6","6","2","6","1","6","1") = "5"
    & skf21("2","6","6","2","6","1","7","1") = "6"
    & skf21("2","6","6","2","6","2","1","1") = "5"
    & skf21("2","6","6","2","6","2","2","1") = "5"
    & skf21("2","6","6","2","6","2","3","1") = "5"
    & skf21("2","6","6","2","6","2","4","1") = "5"
    & skf21("2","6","6","2","6","2","5","1") = "5"
    & skf21("2","6","6","2","6","2","6","1") = "5"
    & skf21("2","6","6","2","6","2","7","1") = "6"
    & skf21("2","6","6","2","6","3","1","1") = "5"
    & skf21("2","6","6","2","6","3","2","1") = "5"
    & skf21("2","6","6","2","6","3","3","1") = "5"
    & skf21("2","6","6","2","6","3","4","1") = "5"
    & skf21("2","6","6","2","6","3","5","1") = "5"
    & skf21("2","6","6","2","6","3","6","1") = "5"
    & skf21("2","6","6","2","6","3","7","1") = "6"
    & skf21("2","6","6","2","6","4","1","1") = "5"
    & skf21("2","6","6","2","6","4","2","1") = "5"
    & skf21("2","6","6","2","6","4","3","1") = "5"
    & skf21("2","6","6","2","6","4","4","1") = "5"
    & skf21("2","6","6","2","6","4","5","1") = "5"
    & skf21("2","6","6","2","6","4","6","1") = "5"
    & skf21("2","6","6","2","6","4","7","1") = "6"
    & skf21("2","6","6","2","6","5","1","1") = "5"
    & skf21("2","6","6","2","6","5","2","1") = "5"
    & skf21("2","6","6","2","6","5","3","1") = "5"
    & skf21("2","6","6","2","6","5","4","1") = "5"
    & skf21("2","6","6","2","6","5","5","1") = "5"
    & skf21("2","6","6","2","6","5","6","1") = "5"
    & skf21("2","6","6","2","6","5","7","1") = "6"
    & skf21("2","6","6","2","6","6","1","1") = "5"
    & skf21("2","6","6","2","6","6","2","1") = "5"
    & skf21("2","6","6","2","6","6","3","1") = "5"
    & skf21("2","6","6","2","6","6","4","1") = "5"
    & skf21("2","6","6","2","6","6","5","1") = "5"
    & skf21("2","6","6","2","6","6","6","1") = "5"
    & skf21("2","6","6","2","6","6","7","1") = "6"
    & skf21("2","6","6","2","6","7","1","1") = "6"
    & skf21("2","6","6","2","6","7","2","1") = "6"
    & skf21("2","6","6","2","6","7","3","1") = "6"
    & skf21("2","6","6","2","6","7","4","1") = "6"
    & skf21("2","6","6","2","6","7","5","1") = "6"
    & skf21("2","6","6","2","6","7","6","1") = "6"
    & skf21("2","6","6","2","6","7","7","1") = "6"
    & skf21("2","6","6","2","7","1","1","1") = "6"
    & skf21("2","6","6","2","7","1","2","1") = "6"
    & skf21("2","6","6","2","7","1","3","1") = "6"
    & skf21("2","6","6","2","7","1","4","1") = "6"
    & skf21("2","6","6","2","7","1","5","1") = "6"
    & skf21("2","6","6","2","7","1","6","1") = "6"
    & skf21("2","6","6","2","7","1","7","1") = "6"
    & skf21("2","6","6","2","7","2","1","1") = "6"
    & skf21("2","6","6","2","7","2","2","1") = "6"
    & skf21("2","6","6","2","7","2","3","1") = "6"
    & skf21("2","6","6","2","7","2","4","1") = "6"
    & skf21("2","6","6","2","7","2","5","1") = "6"
    & skf21("2","6","6","2","7","2","6","1") = "6"
    & skf21("2","6","6","2","7","2","7","1") = "6"
    & skf21("2","6","6","2","7","3","1","1") = "6"
    & skf21("2","6","6","2","7","3","2","1") = "6"
    & skf21("2","6","6","2","7","3","3","1") = "6"
    & skf21("2","6","6","2","7","3","4","1") = "6"
    & skf21("2","6","6","2","7","3","5","1") = "6"
    & skf21("2","6","6","2","7","3","6","1") = "6"
    & skf21("2","6","6","2","7","3","7","1") = "6"
    & skf21("2","6","6","2","7","4","1","1") = "6"
    & skf21("2","6","6","2","7","4","2","1") = "6"
    & skf21("2","6","6","2","7","4","3","1") = "6"
    & skf21("2","6","6","2","7","4","4","1") = "6"
    & skf21("2","6","6","2","7","4","5","1") = "6"
    & skf21("2","6","6","2","7","4","6","1") = "6"
    & skf21("2","6","6","2","7","4","7","1") = "6"
    & skf21("2","6","6","2","7","5","1","1") = "6"
    & skf21("2","6","6","2","7","5","2","1") = "6"
    & skf21("2","6","6","2","7","5","3","1") = "6"
    & skf21("2","6","6","2","7","5","4","1") = "6"
    & skf21("2","6","6","2","7","5","5","1") = "6"
    & skf21("2","6","6","2","7","5","6","1") = "6"
    & skf21("2","6","6","2","7","5","7","1") = "6"
    & skf21("2","6","6","2","7","6","1","1") = "6"
    & skf21("2","6","6","2","7","6","2","1") = "6"
    & skf21("2","6","6","2","7","6","3","1") = "6"
    & skf21("2","6","6","2","7","6","4","1") = "6"
    & skf21("2","6","6","2","7","6","5","1") = "6"
    & skf21("2","6","6","2","7","6","6","1") = "6"
    & skf21("2","6","6","2","7","6","7","1") = "6"
    & skf21("2","6","6","2","7","7","1","1") = "6"
    & skf21("2","6","6","2","7","7","2","1") = "6"
    & skf21("2","6","6","2","7","7","3","1") = "6"
    & skf21("2","6","6","2","7","7","4","1") = "6"
    & skf21("2","6","6","2","7","7","5","1") = "6"
    & skf21("2","6","6","2","7","7","6","1") = "6"
    & skf21("2","6","6","2","7","7","7","1") = "6"
    & skf21("2","6","6","3","1","1","1","1") = "5"
    & skf21("2","6","6","3","1","1","2","1") = "5"
    & skf21("2","6","6","3","1","1","3","1") = "5"
    & skf21("2","6","6","3","1","1","4","1") = "5"
    & skf21("2","6","6","3","1","1","5","1") = "5"
    & skf21("2","6","6","3","1","1","6","1") = "5"
    & skf21("2","6","6","3","1","1","7","1") = "6"
    & skf21("2","6","6","3","1","2","1","1") = "5"
    & skf21("2","6","6","3","1","2","2","1") = "5"
    & skf21("2","6","6","3","1","2","3","1") = "5"
    & skf21("2","6","6","3","1","2","4","1") = "5"
    & skf21("2","6","6","3","1","2","5","1") = "5"
    & skf21("2","6","6","3","1","2","6","1") = "5"
    & skf21("2","6","6","3","1","2","7","1") = "6"
    & skf21("2","6","6","3","1","3","1","1") = "5"
    & skf21("2","6","6","3","1","3","2","1") = "5"
    & skf21("2","6","6","3","1","3","3","1") = "5"
    & skf21("2","6","6","3","1","3","4","1") = "5"
    & skf21("2","6","6","3","1","3","5","1") = "5"
    & skf21("2","6","6","3","1","3","6","1") = "5"
    & skf21("2","6","6","3","1","3","7","1") = "6"
    & skf21("2","6","6","3","1","4","1","1") = "5"
    & skf21("2","6","6","3","1","4","2","1") = "5"
    & skf21("2","6","6","3","1","4","3","1") = "5"
    & skf21("2","6","6","3","1","4","4","1") = "5"
    & skf21("2","6","6","3","1","4","5","1") = "5"
    & skf21("2","6","6","3","1","4","6","1") = "5"
    & skf21("2","6","6","3","1","4","7","1") = "6"
    & skf21("2","6","6","3","1","5","1","1") = "5"
    & skf21("2","6","6","3","1","5","2","1") = "5"
    & skf21("2","6","6","3","1","5","3","1") = "5"
    & skf21("2","6","6","3","1","5","4","1") = "5"
    & skf21("2","6","6","3","1","5","5","1") = "5"
    & skf21("2","6","6","3","1","5","6","1") = "5"
    & skf21("2","6","6","3","1","5","7","1") = "6"
    & skf21("2","6","6","3","1","6","1","1") = "5"
    & skf21("2","6","6","3","1","6","2","1") = "5"
    & skf21("2","6","6","3","1","6","3","1") = "5"
    & skf21("2","6","6","3","1","6","4","1") = "5"
    & skf21("2","6","6","3","1","6","5","1") = "5"
    & skf21("2","6","6","3","1","6","6","1") = "5"
    & skf21("2","6","6","3","1","6","7","1") = "6"
    & skf21("2","6","6","3","1","7","1","1") = "6"
    & skf21("2","6","6","3","1","7","2","1") = "6"
    & skf21("2","6","6","3","1","7","3","1") = "6"
    & skf21("2","6","6","3","1","7","4","1") = "6"
    & skf21("2","6","6","3","1","7","5","1") = "6"
    & skf21("2","6","6","3","1","7","6","1") = "6"
    & skf21("2","6","6","3","1","7","7","1") = "6"
    & skf21("2","6","6","3","2","1","1","1") = "5"
    & skf21("2","6","6","3","2","1","2","1") = "5"
    & skf21("2","6","6","3","2","1","3","1") = "5"
    & skf21("2","6","6","3","2","1","4","1") = "5"
    & skf21("2","6","6","3","2","1","5","1") = "5"
    & skf21("2","6","6","3","2","1","6","1") = "5"
    & skf21("2","6","6","3","2","1","7","1") = "6"
    & skf21("2","6","6","3","2","2","1","1") = "5"
    & skf21("2","6","6","3","2","2","2","1") = "5"
    & skf21("2","6","6","3","2","2","3","1") = "5"
    & skf21("2","6","6","3","2","2","4","1") = "5"
    & skf21("2","6","6","3","2","2","5","1") = "5"
    & skf21("2","6","6","3","2","2","6","1") = "5"
    & skf21("2","6","6","3","2","2","7","1") = "6"
    & skf21("2","6","6","3","2","3","1","1") = "5"
    & skf21("2","6","6","3","2","3","2","1") = "5"
    & skf21("2","6","6","3","2","3","3","1") = "5"
    & skf21("2","6","6","3","2","3","4","1") = "5"
    & skf21("2","6","6","3","2","3","5","1") = "5"
    & skf21("2","6","6","3","2","3","6","1") = "5"
    & skf21("2","6","6","3","2","3","7","1") = "6"
    & skf21("2","6","6","3","2","4","1","1") = "5"
    & skf21("2","6","6","3","2","4","2","1") = "5"
    & skf21("2","6","6","3","2","4","3","1") = "5"
    & skf21("2","6","6","3","2","4","4","1") = "5"
    & skf21("2","6","6","3","2","4","5","1") = "5"
    & skf21("2","6","6","3","2","4","6","1") = "5"
    & skf21("2","6","6","3","2","4","7","1") = "6"
    & skf21("2","6","6","3","2","5","1","1") = "5"
    & skf21("2","6","6","3","2","5","2","1") = "5"
    & skf21("2","6","6","3","2","5","3","1") = "5"
    & skf21("2","6","6","3","2","5","4","1") = "5"
    & skf21("2","6","6","3","2","5","5","1") = "5"
    & skf21("2","6","6","3","2","5","6","1") = "5"
    & skf21("2","6","6","3","2","5","7","1") = "6"
    & skf21("2","6","6","3","2","6","1","1") = "5"
    & skf21("2","6","6","3","2","6","2","1") = "5"
    & skf21("2","6","6","3","2","6","3","1") = "5"
    & skf21("2","6","6","3","2","6","4","1") = "5"
    & skf21("2","6","6","3","2","6","5","1") = "5"
    & skf21("2","6","6","3","2","6","6","1") = "5"
    & skf21("2","6","6","3","2","6","7","1") = "6"
    & skf21("2","6","6","3","2","7","1","1") = "6"
    & skf21("2","6","6","3","2","7","2","1") = "6"
    & skf21("2","6","6","3","2","7","3","1") = "6"
    & skf21("2","6","6","3","2","7","4","1") = "6"
    & skf21("2","6","6","3","2","7","5","1") = "6"
    & skf21("2","6","6","3","2","7","6","1") = "6"
    & skf21("2","6","6","3","2","7","7","1") = "6"
    & skf21("2","6","6","3","3","1","1","1") = "5"
    & skf21("2","6","6","3","3","1","2","1") = "5"
    & skf21("2","6","6","3","3","1","3","1") = "5"
    & skf21("2","6","6","3","3","1","4","1") = "5"
    & skf21("2","6","6","3","3","1","5","1") = "5"
    & skf21("2","6","6","3","3","1","6","1") = "5"
    & skf21("2","6","6","3","3","1","7","1") = "6"
    & skf21("2","6","6","3","3","2","1","1") = "5"
    & skf21("2","6","6","3","3","2","2","1") = "5"
    & skf21("2","6","6","3","3","2","3","1") = "5"
    & skf21("2","6","6","3","3","2","4","1") = "5"
    & skf21("2","6","6","3","3","2","5","1") = "5"
    & skf21("2","6","6","3","3","2","6","1") = "5"
    & skf21("2","6","6","3","3","2","7","1") = "6"
    & skf21("2","6","6","3","3","3","1","1") = "5"
    & skf21("2","6","6","3","3","3","2","1") = "5"
    & skf21("2","6","6","3","3","3","3","1") = "5"
    & skf21("2","6","6","3","3","3","4","1") = "5"
    & skf21("2","6","6","3","3","3","5","1") = "5"
    & skf21("2","6","6","3","3","3","6","1") = "5"
    & skf21("2","6","6","3","3","3","7","1") = "6"
    & skf21("2","6","6","3","3","4","1","1") = "5"
    & skf21("2","6","6","3","3","4","2","1") = "5"
    & skf21("2","6","6","3","3","4","3","1") = "5"
    & skf21("2","6","6","3","3","4","4","1") = "5"
    & skf21("2","6","6","3","3","4","5","1") = "5"
    & skf21("2","6","6","3","3","4","6","1") = "5"
    & skf21("2","6","6","3","3","4","7","1") = "6"
    & skf21("2","6","6","3","3","5","1","1") = "5"
    & skf21("2","6","6","3","3","5","2","1") = "5"
    & skf21("2","6","6","3","3","5","3","1") = "5"
    & skf21("2","6","6","3","3","5","4","1") = "5"
    & skf21("2","6","6","3","3","5","5","1") = "5"
    & skf21("2","6","6","3","3","5","6","1") = "5"
    & skf21("2","6","6","3","3","5","7","1") = "6"
    & skf21("2","6","6","3","3","6","1","1") = "5"
    & skf21("2","6","6","3","3","6","2","1") = "5"
    & skf21("2","6","6","3","3","6","3","1") = "5"
    & skf21("2","6","6","3","3","6","4","1") = "5"
    & skf21("2","6","6","3","3","6","5","1") = "5"
    & skf21("2","6","6","3","3","6","6","1") = "5"
    & skf21("2","6","6","3","3","6","7","1") = "6"
    & skf21("2","6","6","3","3","7","1","1") = "6"
    & skf21("2","6","6","3","3","7","2","1") = "6"
    & skf21("2","6","6","3","3","7","3","1") = "6"
    & skf21("2","6","6","3","3","7","4","1") = "6"
    & skf21("2","6","6","3","3","7","5","1") = "6"
    & skf21("2","6","6","3","3","7","6","1") = "6"
    & skf21("2","6","6","3","3","7","7","1") = "6"
    & skf21("2","6","6","3","4","1","1","1") = "5"
    & skf21("2","6","6","3","4","1","2","1") = "5"
    & skf21("2","6","6","3","4","1","3","1") = "5"
    & skf21("2","6","6","3","4","1","4","1") = "5"
    & skf21("2","6","6","3","4","1","5","1") = "5"
    & skf21("2","6","6","3","4","1","6","1") = "5"
    & skf21("2","6","6","3","4","1","7","1") = "6"
    & skf21("2","6","6","3","4","2","1","1") = "5"
    & skf21("2","6","6","3","4","2","2","1") = "5"
    & skf21("2","6","6","3","4","2","3","1") = "5"
    & skf21("2","6","6","3","4","2","4","1") = "5"
    & skf21("2","6","6","3","4","2","5","1") = "5"
    & skf21("2","6","6","3","4","2","6","1") = "5"
    & skf21("2","6","6","3","4","2","7","1") = "6"
    & skf21("2","6","6","3","4","3","1","1") = "5"
    & skf21("2","6","6","3","4","3","2","1") = "5"
    & skf21("2","6","6","3","4","3","3","1") = "5"
    & skf21("2","6","6","3","4","3","4","1") = "5"
    & skf21("2","6","6","3","4","3","5","1") = "5"
    & skf21("2","6","6","3","4","3","6","1") = "5"
    & skf21("2","6","6","3","4","3","7","1") = "6"
    & skf21("2","6","6","3","4","4","1","1") = "5"
    & skf21("2","6","6","3","4","4","2","1") = "5"
    & skf21("2","6","6","3","4","4","3","1") = "5"
    & skf21("2","6","6","3","4","4","4","1") = "5"
    & skf21("2","6","6","3","4","4","5","1") = "5"
    & skf21("2","6","6","3","4","4","6","1") = "5"
    & skf21("2","6","6","3","4","4","7","1") = "6"
    & skf21("2","6","6","3","4","5","1","1") = "5"
    & skf21("2","6","6","3","4","5","2","1") = "5"
    & skf21("2","6","6","3","4","5","3","1") = "5"
    & skf21("2","6","6","3","4","5","4","1") = "5"
    & skf21("2","6","6","3","4","5","5","1") = "5"
    & skf21("2","6","6","3","4","5","6","1") = "5"
    & skf21("2","6","6","3","4","5","7","1") = "6"
    & skf21("2","6","6","3","4","6","1","1") = "5"
    & skf21("2","6","6","3","4","6","2","1") = "5"
    & skf21("2","6","6","3","4","6","3","1") = "5"
    & skf21("2","6","6","3","4","6","4","1") = "5"
    & skf21("2","6","6","3","4","6","5","1") = "5"
    & skf21("2","6","6","3","4","6","6","1") = "5"
    & skf21("2","6","6","3","4","6","7","1") = "6"
    & skf21("2","6","6","3","4","7","1","1") = "6"
    & skf21("2","6","6","3","4","7","2","1") = "6"
    & skf21("2","6","6","3","4","7","3","1") = "6"
    & skf21("2","6","6","3","4","7","4","1") = "6"
    & skf21("2","6","6","3","4","7","5","1") = "6"
    & skf21("2","6","6","3","4","7","6","1") = "6"
    & skf21("2","6","6","3","4","7","7","1") = "6"
    & skf21("2","6","6","3","5","1","1","1") = "5"
    & skf21("2","6","6","3","5","1","2","1") = "5"
    & skf21("2","6","6","3","5","1","3","1") = "5"
    & skf21("2","6","6","3","5","1","4","1") = "5"
    & skf21("2","6","6","3","5","1","5","1") = "5"
    & skf21("2","6","6","3","5","1","6","1") = "5"
    & skf21("2","6","6","3","5","1","7","1") = "6"
    & skf21("2","6","6","3","5","2","1","1") = "5"
    & skf21("2","6","6","3","5","2","2","1") = "5"
    & skf21("2","6","6","3","5","2","3","1") = "5"
    & skf21("2","6","6","3","5","2","4","1") = "5"
    & skf21("2","6","6","3","5","2","5","1") = "5"
    & skf21("2","6","6","3","5","2","6","1") = "5"
    & skf21("2","6","6","3","5","2","7","1") = "6"
    & skf21("2","6","6","3","5","3","1","1") = "5"
    & skf21("2","6","6","3","5","3","2","1") = "5"
    & skf21("2","6","6","3","5","3","3","1") = "5"
    & skf21("2","6","6","3","5","3","4","1") = "5"
    & skf21("2","6","6","3","5","3","5","1") = "5"
    & skf21("2","6","6","3","5","3","6","1") = "5"
    & skf21("2","6","6","3","5","3","7","1") = "6"
    & skf21("2","6","6","3","5","4","1","1") = "5"
    & skf21("2","6","6","3","5","4","2","1") = "5"
    & skf21("2","6","6","3","5","4","3","1") = "5"
    & skf21("2","6","6","3","5","4","4","1") = "5"
    & skf21("2","6","6","3","5","4","5","1") = "5"
    & skf21("2","6","6","3","5","4","6","1") = "5"
    & skf21("2","6","6","3","5","4","7","1") = "6"
    & skf21("2","6","6","3","5","5","1","1") = "5"
    & skf21("2","6","6","3","5","5","2","1") = "5"
    & skf21("2","6","6","3","5","5","3","1") = "5"
    & skf21("2","6","6","3","5","5","4","1") = "5"
    & skf21("2","6","6","3","5","5","5","1") = "5"
    & skf21("2","6","6","3","5","5","6","1") = "5"
    & skf21("2","6","6","3","5","5","7","1") = "6"
    & skf21("2","6","6","3","5","6","1","1") = "5"
    & skf21("2","6","6","3","5","6","2","1") = "5"
    & skf21("2","6","6","3","5","6","3","1") = "5"
    & skf21("2","6","6","3","5","6","4","1") = "5"
    & skf21("2","6","6","3","5","6","5","1") = "5"
    & skf21("2","6","6","3","5","6","6","1") = "5"
    & skf21("2","6","6","3","5","6","7","1") = "6"
    & skf21("2","6","6","3","5","7","1","1") = "6"
    & skf21("2","6","6","3","5","7","2","1") = "6"
    & skf21("2","6","6","3","5","7","3","1") = "6"
    & skf21("2","6","6","3","5","7","4","1") = "6"
    & skf21("2","6","6","3","5","7","5","1") = "6"
    & skf21("2","6","6","3","5","7","6","1") = "6"
    & skf21("2","6","6","3","5","7","7","1") = "6"
    & skf21("2","6","6","3","6","1","1","1") = "5"
    & skf21("2","6","6","3","6","1","2","1") = "5"
    & skf21("2","6","6","3","6","1","3","1") = "5"
    & skf21("2","6","6","3","6","1","4","1") = "5"
    & skf21("2","6","6","3","6","1","5","1") = "5"
    & skf21("2","6","6","3","6","1","6","1") = "5"
    & skf21("2","6","6","3","6","1","7","1") = "6"
    & skf21("2","6","6","3","6","2","1","1") = "5"
    & skf21("2","6","6","3","6","2","2","1") = "5"
    & skf21("2","6","6","3","6","2","3","1") = "5"
    & skf21("2","6","6","3","6","2","4","1") = "5"
    & skf21("2","6","6","3","6","2","5","1") = "5"
    & skf21("2","6","6","3","6","2","6","1") = "5"
    & skf21("2","6","6","3","6","2","7","1") = "6"
    & skf21("2","6","6","3","6","3","1","1") = "5"
    & skf21("2","6","6","3","6","3","2","1") = "5"
    & skf21("2","6","6","3","6","3","3","1") = "5"
    & skf21("2","6","6","3","6","3","4","1") = "5"
    & skf21("2","6","6","3","6","3","5","1") = "5"
    & skf21("2","6","6","3","6","3","6","1") = "5"
    & skf21("2","6","6","3","6","3","7","1") = "6"
    & skf21("2","6","6","3","6","4","1","1") = "5"
    & skf21("2","6","6","3","6","4","2","1") = "5"
    & skf21("2","6","6","3","6","4","3","1") = "5"
    & skf21("2","6","6","3","6","4","4","1") = "5"
    & skf21("2","6","6","3","6","4","5","1") = "5"
    & skf21("2","6","6","3","6","4","6","1") = "5"
    & skf21("2","6","6","3","6","4","7","1") = "6"
    & skf21("2","6","6","3","6","5","1","1") = "5"
    & skf21("2","6","6","3","6","5","2","1") = "5"
    & skf21("2","6","6","3","6","5","3","1") = "5"
    & skf21("2","6","6","3","6","5","4","1") = "5"
    & skf21("2","6","6","3","6","5","5","1") = "5"
    & skf21("2","6","6","3","6","5","6","1") = "5"
    & skf21("2","6","6","3","6","5","7","1") = "6"
    & skf21("2","6","6","3","6","6","1","1") = "5"
    & skf21("2","6","6","3","6","6","2","1") = "5"
    & skf21("2","6","6","3","6","6","3","1") = "5"
    & skf21("2","6","6","3","6","6","4","1") = "5"
    & skf21("2","6","6","3","6","6","5","1") = "5"
    & skf21("2","6","6","3","6","6","6","1") = "5"
    & skf21("2","6","6","3","6","6","7","1") = "6"
    & skf21("2","6","6","3","6","7","1","1") = "6"
    & skf21("2","6","6","3","6","7","2","1") = "6"
    & skf21("2","6","6","3","6","7","3","1") = "6"
    & skf21("2","6","6","3","6","7","4","1") = "6"
    & skf21("2","6","6","3","6","7","5","1") = "6"
    & skf21("2","6","6","3","6","7","6","1") = "6"
    & skf21("2","6","6","3","6","7","7","1") = "6"
    & skf21("2","6","6","3","7","1","1","1") = "6"
    & skf21("2","6","6","3","7","1","2","1") = "6"
    & skf21("2","6","6","3","7","1","3","1") = "6"
    & skf21("2","6","6","3","7","1","4","1") = "6"
    & skf21("2","6","6","3","7","1","5","1") = "6"
    & skf21("2","6","6","3","7","1","6","1") = "6"
    & skf21("2","6","6","3","7","1","7","1") = "6"
    & skf21("2","6","6","3","7","2","1","1") = "6"
    & skf21("2","6","6","3","7","2","2","1") = "6"
    & skf21("2","6","6","3","7","2","3","1") = "6"
    & skf21("2","6","6","3","7","2","4","1") = "6"
    & skf21("2","6","6","3","7","2","5","1") = "6"
    & skf21("2","6","6","3","7","2","6","1") = "6"
    & skf21("2","6","6","3","7","2","7","1") = "6"
    & skf21("2","6","6","3","7","3","1","1") = "6"
    & skf21("2","6","6","3","7","3","2","1") = "6"
    & skf21("2","6","6","3","7","3","3","1") = "6"
    & skf21("2","6","6","3","7","3","4","1") = "6"
    & skf21("2","6","6","3","7","3","5","1") = "6"
    & skf21("2","6","6","3","7","3","6","1") = "6"
    & skf21("2","6","6","3","7","3","7","1") = "6"
    & skf21("2","6","6","3","7","4","1","1") = "6"
    & skf21("2","6","6","3","7","4","2","1") = "6"
    & skf21("2","6","6","3","7","4","3","1") = "6"
    & skf21("2","6","6","3","7","4","4","1") = "6"
    & skf21("2","6","6","3","7","4","5","1") = "6"
    & skf21("2","6","6","3","7","4","6","1") = "6"
    & skf21("2","6","6","3","7","4","7","1") = "6"
    & skf21("2","6","6","3","7","5","1","1") = "6"
    & skf21("2","6","6","3","7","5","2","1") = "6"
    & skf21("2","6","6","3","7","5","3","1") = "6"
    & skf21("2","6","6","3","7","5","4","1") = "6"
    & skf21("2","6","6","3","7","5","5","1") = "6"
    & skf21("2","6","6","3","7","5","6","1") = "6"
    & skf21("2","6","6","3","7","5","7","1") = "6"
    & skf21("2","6","6","3","7","6","1","1") = "6"
    & skf21("2","6","6","3","7","6","2","1") = "6"
    & skf21("2","6","6","3","7","6","3","1") = "6"
    & skf21("2","6","6","3","7","6","4","1") = "6"
    & skf21("2","6","6","3","7","6","5","1") = "6"
    & skf21("2","6","6","3","7","6","6","1") = "6"
    & skf21("2","6","6","3","7","6","7","1") = "6"
    & skf21("2","6","6","3","7","7","1","1") = "6"
    & skf21("2","6","6","3","7","7","2","1") = "6"
    & skf21("2","6","6","3","7","7","3","1") = "6"
    & skf21("2","6","6","3","7","7","4","1") = "6"
    & skf21("2","6","6","3","7","7","5","1") = "6"
    & skf21("2","6","6","3","7","7","6","1") = "6"
    & skf21("2","6","6","3","7","7","7","1") = "6"
    & skf21("2","6","6","4","1","1","1","1") = "5"
    & skf21("2","6","6","4","1","1","2","1") = "5"
    & skf21("2","6","6","4","1","1","3","1") = "5"
    & skf21("2","6","6","4","1","1","4","1") = "5"
    & skf21("2","6","6","4","1","1","5","1") = "5"
    & skf21("2","6","6","4","1","1","6","1") = "5"
    & skf21("2","6","6","4","1","1","7","1") = "6"
    & skf21("2","6","6","4","1","2","1","1") = "5"
    & skf21("2","6","6","4","1","2","2","1") = "5"
    & skf21("2","6","6","4","1","2","3","1") = "5"
    & skf21("2","6","6","4","1","2","4","1") = "5"
    & skf21("2","6","6","4","1","2","5","1") = "5"
    & skf21("2","6","6","4","1","2","6","1") = "5"
    & skf21("2","6","6","4","1","2","7","1") = "6"
    & skf21("2","6","6","4","1","3","1","1") = "5"
    & skf21("2","6","6","4","1","3","2","1") = "5"
    & skf21("2","6","6","4","1","3","3","1") = "5"
    & skf21("2","6","6","4","1","3","4","1") = "5"
    & skf21("2","6","6","4","1","3","5","1") = "5"
    & skf21("2","6","6","4","1","3","6","1") = "5"
    & skf21("2","6","6","4","1","3","7","1") = "6"
    & skf21("2","6","6","4","1","4","1","1") = "5"
    & skf21("2","6","6","4","1","4","2","1") = "5"
    & skf21("2","6","6","4","1","4","3","1") = "5"
    & skf21("2","6","6","4","1","4","4","1") = "5"
    & skf21("2","6","6","4","1","4","5","1") = "5"
    & skf21("2","6","6","4","1","4","6","1") = "5"
    & skf21("2","6","6","4","1","4","7","1") = "6"
    & skf21("2","6","6","4","1","5","1","1") = "5"
    & skf21("2","6","6","4","1","5","2","1") = "5"
    & skf21("2","6","6","4","1","5","3","1") = "5"
    & skf21("2","6","6","4","1","5","4","1") = "5"
    & skf21("2","6","6","4","1","5","5","1") = "5"
    & skf21("2","6","6","4","1","5","6","1") = "5"
    & skf21("2","6","6","4","1","5","7","1") = "6"
    & skf21("2","6","6","4","1","6","1","1") = "5"
    & skf21("2","6","6","4","1","6","2","1") = "5"
    & skf21("2","6","6","4","1","6","3","1") = "5"
    & skf21("2","6","6","4","1","6","4","1") = "5"
    & skf21("2","6","6","4","1","6","5","1") = "5"
    & skf21("2","6","6","4","1","6","6","1") = "5"
    & skf21("2","6","6","4","1","6","7","1") = "6"
    & skf21("2","6","6","4","1","7","1","1") = "6"
    & skf21("2","6","6","4","1","7","2","1") = "6"
    & skf21("2","6","6","4","1","7","3","1") = "6"
    & skf21("2","6","6","4","1","7","4","1") = "6"
    & skf21("2","6","6","4","1","7","5","1") = "6"
    & skf21("2","6","6","4","1","7","6","1") = "6"
    & skf21("2","6","6","4","1","7","7","1") = "6"
    & skf21("2","6","6","4","2","1","1","1") = "5"
    & skf21("2","6","6","4","2","1","2","1") = "5"
    & skf21("2","6","6","4","2","1","3","1") = "5"
    & skf21("2","6","6","4","2","1","4","1") = "5"
    & skf21("2","6","6","4","2","1","5","1") = "5"
    & skf21("2","6","6","4","2","1","6","1") = "5"
    & skf21("2","6","6","4","2","1","7","1") = "6"
    & skf21("2","6","6","4","2","2","1","1") = "5"
    & skf21("2","6","6","4","2","2","2","1") = "5"
    & skf21("2","6","6","4","2","2","3","1") = "5"
    & skf21("2","6","6","4","2","2","4","1") = "5"
    & skf21("2","6","6","4","2","2","5","1") = "5"
    & skf21("2","6","6","4","2","2","6","1") = "5"
    & skf21("2","6","6","4","2","2","7","1") = "6"
    & skf21("2","6","6","4","2","3","1","1") = "5"
    & skf21("2","6","6","4","2","3","2","1") = "5"
    & skf21("2","6","6","4","2","3","3","1") = "5"
    & skf21("2","6","6","4","2","3","4","1") = "5"
    & skf21("2","6","6","4","2","3","5","1") = "5"
    & skf21("2","6","6","4","2","3","6","1") = "5"
    & skf21("2","6","6","4","2","3","7","1") = "6"
    & skf21("2","6","6","4","2","4","1","1") = "5"
    & skf21("2","6","6","4","2","4","2","1") = "5"
    & skf21("2","6","6","4","2","4","3","1") = "5"
    & skf21("2","6","6","4","2","4","4","1") = "5"
    & skf21("2","6","6","4","2","4","5","1") = "5"
    & skf21("2","6","6","4","2","4","6","1") = "5"
    & skf21("2","6","6","4","2","4","7","1") = "6"
    & skf21("2","6","6","4","2","5","1","1") = "5"
    & skf21("2","6","6","4","2","5","2","1") = "5"
    & skf21("2","6","6","4","2","5","3","1") = "5"
    & skf21("2","6","6","4","2","5","4","1") = "5"
    & skf21("2","6","6","4","2","5","5","1") = "5"
    & skf21("2","6","6","4","2","5","6","1") = "5"
    & skf21("2","6","6","4","2","5","7","1") = "6"
    & skf21("2","6","6","4","2","6","1","1") = "5"
    & skf21("2","6","6","4","2","6","2","1") = "5"
    & skf21("2","6","6","4","2","6","3","1") = "5"
    & skf21("2","6","6","4","2","6","4","1") = "5"
    & skf21("2","6","6","4","2","6","5","1") = "5"
    & skf21("2","6","6","4","2","6","6","1") = "5"
    & skf21("2","6","6","4","2","6","7","1") = "6"
    & skf21("2","6","6","4","2","7","1","1") = "6"
    & skf21("2","6","6","4","2","7","2","1") = "6"
    & skf21("2","6","6","4","2","7","3","1") = "6"
    & skf21("2","6","6","4","2","7","4","1") = "6"
    & skf21("2","6","6","4","2","7","5","1") = "6"
    & skf21("2","6","6","4","2","7","6","1") = "6"
    & skf21("2","6","6","4","2","7","7","1") = "6"
    & skf21("2","6","6","4","3","1","1","1") = "5"
    & skf21("2","6","6","4","3","1","2","1") = "5"
    & skf21("2","6","6","4","3","1","3","1") = "5"
    & skf21("2","6","6","4","3","1","4","1") = "5"
    & skf21("2","6","6","4","3","1","5","1") = "5"
    & skf21("2","6","6","4","3","1","6","1") = "5"
    & skf21("2","6","6","4","3","1","7","1") = "6"
    & skf21("2","6","6","4","3","2","1","1") = "5"
    & skf21("2","6","6","4","3","2","2","1") = "5"
    & skf21("2","6","6","4","3","2","3","1") = "5"
    & skf21("2","6","6","4","3","2","4","1") = "5"
    & skf21("2","6","6","4","3","2","5","1") = "5"
    & skf21("2","6","6","4","3","2","6","1") = "5"
    & skf21("2","6","6","4","3","2","7","1") = "6"
    & skf21("2","6","6","4","3","3","1","1") = "5"
    & skf21("2","6","6","4","3","3","2","1") = "5"
    & skf21("2","6","6","4","3","3","3","1") = "5"
    & skf21("2","6","6","4","3","3","4","1") = "5"
    & skf21("2","6","6","4","3","3","5","1") = "5"
    & skf21("2","6","6","4","3","3","6","1") = "5"
    & skf21("2","6","6","4","3","3","7","1") = "6"
    & skf21("2","6","6","4","3","4","1","1") = "5"
    & skf21("2","6","6","4","3","4","2","1") = "5"
    & skf21("2","6","6","4","3","4","3","1") = "5"
    & skf21("2","6","6","4","3","4","4","1") = "5"
    & skf21("2","6","6","4","3","4","5","1") = "5"
    & skf21("2","6","6","4","3","4","6","1") = "5"
    & skf21("2","6","6","4","3","4","7","1") = "6"
    & skf21("2","6","6","4","3","5","1","1") = "5"
    & skf21("2","6","6","4","3","5","2","1") = "5"
    & skf21("2","6","6","4","3","5","3","1") = "5"
    & skf21("2","6","6","4","3","5","4","1") = "5"
    & skf21("2","6","6","4","3","5","5","1") = "5"
    & skf21("2","6","6","4","3","5","6","1") = "5"
    & skf21("2","6","6","4","3","5","7","1") = "6"
    & skf21("2","6","6","4","3","6","1","1") = "5"
    & skf21("2","6","6","4","3","6","2","1") = "5"
    & skf21("2","6","6","4","3","6","3","1") = "5"
    & skf21("2","6","6","4","3","6","4","1") = "5"
    & skf21("2","6","6","4","3","6","5","1") = "5"
    & skf21("2","6","6","4","3","6","6","1") = "5"
    & skf21("2","6","6","4","3","6","7","1") = "6"
    & skf21("2","6","6","4","3","7","1","1") = "6"
    & skf21("2","6","6","4","3","7","2","1") = "6"
    & skf21("2","6","6","4","3","7","3","1") = "6"
    & skf21("2","6","6","4","3","7","4","1") = "6"
    & skf21("2","6","6","4","3","7","5","1") = "6"
    & skf21("2","6","6","4","3","7","6","1") = "6"
    & skf21("2","6","6","4","3","7","7","1") = "6"
    & skf21("2","6","6","4","4","1","1","1") = "5"
    & skf21("2","6","6","4","4","1","2","1") = "5"
    & skf21("2","6","6","4","4","1","3","1") = "5"
    & skf21("2","6","6","4","4","1","4","1") = "5"
    & skf21("2","6","6","4","4","1","5","1") = "5"
    & skf21("2","6","6","4","4","1","6","1") = "5"
    & skf21("2","6","6","4","4","1","7","1") = "6"
    & skf21("2","6","6","4","4","2","1","1") = "5"
    & skf21("2","6","6","4","4","2","2","1") = "5"
    & skf21("2","6","6","4","4","2","3","1") = "5"
    & skf21("2","6","6","4","4","2","4","1") = "5"
    & skf21("2","6","6","4","4","2","5","1") = "5"
    & skf21("2","6","6","4","4","2","6","1") = "5"
    & skf21("2","6","6","4","4","2","7","1") = "6"
    & skf21("2","6","6","4","4","3","1","1") = "5"
    & skf21("2","6","6","4","4","3","2","1") = "5"
    & skf21("2","6","6","4","4","3","3","1") = "5"
    & skf21("2","6","6","4","4","3","4","1") = "5"
    & skf21("2","6","6","4","4","3","5","1") = "5"
    & skf21("2","6","6","4","4","3","6","1") = "5"
    & skf21("2","6","6","4","4","3","7","1") = "6"
    & skf21("2","6","6","4","4","4","1","1") = "5"
    & skf21("2","6","6","4","4","4","2","1") = "5"
    & skf21("2","6","6","4","4","4","3","1") = "5"
    & skf21("2","6","6","4","4","4","4","1") = "5"
    & skf21("2","6","6","4","4","4","5","1") = "5"
    & skf21("2","6","6","4","4","4","6","1") = "5"
    & skf21("2","6","6","4","4","4","7","1") = "6"
    & skf21("2","6","6","4","4","5","1","1") = "5"
    & skf21("2","6","6","4","4","5","2","1") = "5"
    & skf21("2","6","6","4","4","5","3","1") = "5"
    & skf21("2","6","6","4","4","5","4","1") = "5"
    & skf21("2","6","6","4","4","5","5","1") = "5"
    & skf21("2","6","6","4","4","5","6","1") = "5"
    & skf21("2","6","6","4","4","5","7","1") = "6"
    & skf21("2","6","6","4","4","6","1","1") = "5"
    & skf21("2","6","6","4","4","6","2","1") = "5"
    & skf21("2","6","6","4","4","6","3","1") = "5"
    & skf21("2","6","6","4","4","6","4","1") = "5"
    & skf21("2","6","6","4","4","6","5","1") = "5"
    & skf21("2","6","6","4","4","6","6","1") = "5"
    & skf21("2","6","6","4","4","6","7","1") = "6"
    & skf21("2","6","6","4","4","7","1","1") = "6"
    & skf21("2","6","6","4","4","7","2","1") = "6"
    & skf21("2","6","6","4","4","7","3","1") = "6"
    & skf21("2","6","6","4","4","7","4","1") = "6"
    & skf21("2","6","6","4","4","7","5","1") = "6"
    & skf21("2","6","6","4","4","7","6","1") = "6"
    & skf21("2","6","6","4","4","7","7","1") = "6"
    & skf21("2","6","6","4","5","1","1","1") = "5"
    & skf21("2","6","6","4","5","1","2","1") = "5"
    & skf21("2","6","6","4","5","1","3","1") = "5"
    & skf21("2","6","6","4","5","1","4","1") = "5"
    & skf21("2","6","6","4","5","1","5","1") = "5"
    & skf21("2","6","6","4","5","1","6","1") = "5"
    & skf21("2","6","6","4","5","1","7","1") = "6"
    & skf21("2","6","6","4","5","2","1","1") = "5"
    & skf21("2","6","6","4","5","2","2","1") = "5"
    & skf21("2","6","6","4","5","2","3","1") = "5"
    & skf21("2","6","6","4","5","2","4","1") = "5"
    & skf21("2","6","6","4","5","2","5","1") = "5"
    & skf21("2","6","6","4","5","2","6","1") = "5"
    & skf21("2","6","6","4","5","2","7","1") = "6"
    & skf21("2","6","6","4","5","3","1","1") = "5"
    & skf21("2","6","6","4","5","3","2","1") = "5"
    & skf21("2","6","6","4","5","3","3","1") = "5"
    & skf21("2","6","6","4","5","3","4","1") = "5"
    & skf21("2","6","6","4","5","3","5","1") = "5"
    & skf21("2","6","6","4","5","3","6","1") = "5"
    & skf21("2","6","6","4","5","3","7","1") = "6"
    & skf21("2","6","6","4","5","4","1","1") = "5"
    & skf21("2","6","6","4","5","4","2","1") = "5"
    & skf21("2","6","6","4","5","4","3","1") = "5"
    & skf21("2","6","6","4","5","4","4","1") = "5"
    & skf21("2","6","6","4","5","4","5","1") = "5"
    & skf21("2","6","6","4","5","4","6","1") = "5"
    & skf21("2","6","6","4","5","4","7","1") = "6"
    & skf21("2","6","6","4","5","5","1","1") = "5"
    & skf21("2","6","6","4","5","5","2","1") = "5"
    & skf21("2","6","6","4","5","5","3","1") = "5"
    & skf21("2","6","6","4","5","5","4","1") = "5"
    & skf21("2","6","6","4","5","5","5","1") = "5"
    & skf21("2","6","6","4","5","5","6","1") = "5"
    & skf21("2","6","6","4","5","5","7","1") = "6"
    & skf21("2","6","6","4","5","6","1","1") = "5"
    & skf21("2","6","6","4","5","6","2","1") = "5"
    & skf21("2","6","6","4","5","6","3","1") = "5"
    & skf21("2","6","6","4","5","6","4","1") = "5"
    & skf21("2","6","6","4","5","6","5","1") = "5"
    & skf21("2","6","6","4","5","6","6","1") = "5"
    & skf21("2","6","6","4","5","6","7","1") = "6"
    & skf21("2","6","6","4","5","7","1","1") = "6"
    & skf21("2","6","6","4","5","7","2","1") = "6"
    & skf21("2","6","6","4","5","7","3","1") = "6"
    & skf21("2","6","6","4","5","7","4","1") = "6"
    & skf21("2","6","6","4","5","7","5","1") = "6"
    & skf21("2","6","6","4","5","7","6","1") = "6"
    & skf21("2","6","6","4","5","7","7","1") = "6"
    & skf21("2","6","6","4","6","1","1","1") = "5"
    & skf21("2","6","6","4","6","1","2","1") = "5"
    & skf21("2","6","6","4","6","1","3","1") = "5"
    & skf21("2","6","6","4","6","1","4","1") = "5"
    & skf21("2","6","6","4","6","1","5","1") = "5"
    & skf21("2","6","6","4","6","1","6","1") = "5"
    & skf21("2","6","6","4","6","1","7","1") = "6"
    & skf21("2","6","6","4","6","2","1","1") = "5"
    & skf21("2","6","6","4","6","2","2","1") = "5"
    & skf21("2","6","6","4","6","2","3","1") = "5"
    & skf21("2","6","6","4","6","2","4","1") = "5"
    & skf21("2","6","6","4","6","2","5","1") = "5"
    & skf21("2","6","6","4","6","2","6","1") = "5"
    & skf21("2","6","6","4","6","2","7","1") = "6"
    & skf21("2","6","6","4","6","3","1","1") = "5"
    & skf21("2","6","6","4","6","3","2","1") = "5"
    & skf21("2","6","6","4","6","3","3","1") = "5"
    & skf21("2","6","6","4","6","3","4","1") = "5"
    & skf21("2","6","6","4","6","3","5","1") = "5"
    & skf21("2","6","6","4","6","3","6","1") = "5"
    & skf21("2","6","6","4","6","3","7","1") = "6"
    & skf21("2","6","6","4","6","4","1","1") = "5"
    & skf21("2","6","6","4","6","4","2","1") = "5"
    & skf21("2","6","6","4","6","4","3","1") = "5"
    & skf21("2","6","6","4","6","4","4","1") = "5"
    & skf21("2","6","6","4","6","4","5","1") = "5"
    & skf21("2","6","6","4","6","4","6","1") = "5"
    & skf21("2","6","6","4","6","4","7","1") = "6"
    & skf21("2","6","6","4","6","5","1","1") = "5"
    & skf21("2","6","6","4","6","5","2","1") = "5"
    & skf21("2","6","6","4","6","5","3","1") = "5"
    & skf21("2","6","6","4","6","5","4","1") = "5"
    & skf21("2","6","6","4","6","5","5","1") = "5"
    & skf21("2","6","6","4","6","5","6","1") = "5"
    & skf21("2","6","6","4","6","5","7","1") = "6"
    & skf21("2","6","6","4","6","6","1","1") = "5"
    & skf21("2","6","6","4","6","6","2","1") = "5"
    & skf21("2","6","6","4","6","6","3","1") = "5"
    & skf21("2","6","6","4","6","6","4","1") = "5"
    & skf21("2","6","6","4","6","6","5","1") = "5"
    & skf21("2","6","6","4","6","6","6","1") = "5"
    & skf21("2","6","6","4","6","6","7","1") = "6"
    & skf21("2","6","6","4","6","7","1","1") = "6"
    & skf21("2","6","6","4","6","7","2","1") = "6"
    & skf21("2","6","6","4","6","7","3","1") = "6"
    & skf21("2","6","6","4","6","7","4","1") = "6"
    & skf21("2","6","6","4","6","7","5","1") = "6"
    & skf21("2","6","6","4","6","7","6","1") = "6"
    & skf21("2","6","6","4","6","7","7","1") = "6"
    & skf21("2","6","6","4","7","1","1","1") = "6"
    & skf21("2","6","6","4","7","1","2","1") = "6"
    & skf21("2","6","6","4","7","1","3","1") = "6"
    & skf21("2","6","6","4","7","1","4","1") = "6"
    & skf21("2","6","6","4","7","1","5","1") = "6"
    & skf21("2","6","6","4","7","1","6","1") = "6"
    & skf21("2","6","6","4","7","1","7","1") = "6"
    & skf21("2","6","6","4","7","2","1","1") = "6"
    & skf21("2","6","6","4","7","2","2","1") = "6"
    & skf21("2","6","6","4","7","2","3","1") = "6"
    & skf21("2","6","6","4","7","2","4","1") = "6"
    & skf21("2","6","6","4","7","2","5","1") = "6"
    & skf21("2","6","6","4","7","2","6","1") = "6"
    & skf21("2","6","6","4","7","2","7","1") = "6"
    & skf21("2","6","6","4","7","3","1","1") = "6"
    & skf21("2","6","6","4","7","3","2","1") = "6"
    & skf21("2","6","6","4","7","3","3","1") = "6"
    & skf21("2","6","6","4","7","3","4","1") = "6"
    & skf21("2","6","6","4","7","3","5","1") = "6"
    & skf21("2","6","6","4","7","3","6","1") = "6"
    & skf21("2","6","6","4","7","3","7","1") = "6"
    & skf21("2","6","6","4","7","4","1","1") = "6"
    & skf21("2","6","6","4","7","4","2","1") = "6"
    & skf21("2","6","6","4","7","4","3","1") = "6"
    & skf21("2","6","6","4","7","4","4","1") = "6"
    & skf21("2","6","6","4","7","4","5","1") = "6"
    & skf21("2","6","6","4","7","4","6","1") = "6"
    & skf21("2","6","6","4","7","4","7","1") = "6"
    & skf21("2","6","6","4","7","5","1","1") = "6"
    & skf21("2","6","6","4","7","5","2","1") = "6"
    & skf21("2","6","6","4","7","5","3","1") = "6"
    & skf21("2","6","6","4","7","5","4","1") = "6"
    & skf21("2","6","6","4","7","5","5","1") = "6"
    & skf21("2","6","6","4","7","5","6","1") = "6"
    & skf21("2","6","6","4","7","5","7","1") = "6"
    & skf21("2","6","6","4","7","6","1","1") = "6"
    & skf21("2","6","6","4","7","6","2","1") = "6"
    & skf21("2","6","6","4","7","6","3","1") = "6"
    & skf21("2","6","6","4","7","6","4","1") = "6"
    & skf21("2","6","6","4","7","6","5","1") = "6"
    & skf21("2","6","6","4","7","6","6","1") = "6"
    & skf21("2","6","6","4","7","6","7","1") = "6"
    & skf21("2","6","6","4","7","7","1","1") = "6"
    & skf21("2","6","6","4","7","7","2","1") = "6"
    & skf21("2","6","6","4","7","7","3","1") = "6"
    & skf21("2","6","6","4","7","7","4","1") = "6"
    & skf21("2","6","6","4","7","7","5","1") = "6"
    & skf21("2","6","6","4","7","7","6","1") = "6"
    & skf21("2","6","6","4","7","7","7","1") = "6"
    & skf21("2","6","6","5","1","1","1","1") = "5"
    & skf21("2","6","6","5","1","1","2","1") = "5"
    & skf21("2","6","6","5","1","1","3","1") = "5"
    & skf21("2","6","6","5","1","1","4","1") = "5"
    & skf21("2","6","6","5","1","1","5","1") = "5"
    & skf21("2","6","6","5","1","1","6","1") = "5"
    & skf21("2","6","6","5","1","1","7","1") = "6"
    & skf21("2","6","6","5","1","2","1","1") = "5"
    & skf21("2","6","6","5","1","2","2","1") = "5"
    & skf21("2","6","6","5","1","2","3","1") = "5"
    & skf21("2","6","6","5","1","2","4","1") = "5"
    & skf21("2","6","6","5","1","2","5","1") = "5"
    & skf21("2","6","6","5","1","2","6","1") = "5"
    & skf21("2","6","6","5","1","2","7","1") = "6"
    & skf21("2","6","6","5","1","3","1","1") = "5"
    & skf21("2","6","6","5","1","3","2","1") = "5"
    & skf21("2","6","6","5","1","3","3","1") = "5"
    & skf21("2","6","6","5","1","3","4","1") = "5"
    & skf21("2","6","6","5","1","3","5","1") = "5"
    & skf21("2","6","6","5","1","3","6","1") = "5"
    & skf21("2","6","6","5","1","3","7","1") = "6"
    & skf21("2","6","6","5","1","4","1","1") = "5"
    & skf21("2","6","6","5","1","4","2","1") = "5"
    & skf21("2","6","6","5","1","4","3","1") = "5"
    & skf21("2","6","6","5","1","4","4","1") = "5"
    & skf21("2","6","6","5","1","4","5","1") = "5"
    & skf21("2","6","6","5","1","4","6","1") = "5"
    & skf21("2","6","6","5","1","4","7","1") = "6"
    & skf21("2","6","6","5","1","5","1","1") = "5"
    & skf21("2","6","6","5","1","5","2","1") = "5"
    & skf21("2","6","6","5","1","5","3","1") = "5"
    & skf21("2","6","6","5","1","5","4","1") = "5"
    & skf21("2","6","6","5","1","5","5","1") = "5"
    & skf21("2","6","6","5","1","5","6","1") = "5"
    & skf21("2","6","6","5","1","5","7","1") = "6"
    & skf21("2","6","6","5","1","6","1","1") = "5"
    & skf21("2","6","6","5","1","6","2","1") = "5"
    & skf21("2","6","6","5","1","6","3","1") = "5"
    & skf21("2","6","6","5","1","6","4","1") = "5"
    & skf21("2","6","6","5","1","6","5","1") = "5"
    & skf21("2","6","6","5","1","6","6","1") = "5"
    & skf21("2","6","6","5","1","6","7","1") = "6"
    & skf21("2","6","6","5","1","7","1","1") = "6"
    & skf21("2","6","6","5","1","7","2","1") = "6"
    & skf21("2","6","6","5","1","7","3","1") = "6"
    & skf21("2","6","6","5","1","7","4","1") = "6"
    & skf21("2","6","6","5","1","7","5","1") = "6"
    & skf21("2","6","6","5","1","7","6","1") = "6"
    & skf21("2","6","6","5","1","7","7","1") = "6"
    & skf21("2","6","6","5","2","1","1","1") = "5"
    & skf21("2","6","6","5","2","1","2","1") = "5"
    & skf21("2","6","6","5","2","1","3","1") = "5"
    & skf21("2","6","6","5","2","1","4","1") = "5"
    & skf21("2","6","6","5","2","1","5","1") = "5"
    & skf21("2","6","6","5","2","1","6","1") = "5"
    & skf21("2","6","6","5","2","1","7","1") = "6"
    & skf21("2","6","6","5","2","2","1","1") = "5"
    & skf21("2","6","6","5","2","2","2","1") = "5"
    & skf21("2","6","6","5","2","2","3","1") = "5"
    & skf21("2","6","6","5","2","2","4","1") = "5"
    & skf21("2","6","6","5","2","2","5","1") = "5"
    & skf21("2","6","6","5","2","2","6","1") = "5"
    & skf21("2","6","6","5","2","2","7","1") = "6"
    & skf21("2","6","6","5","2","3","1","1") = "5"
    & skf21("2","6","6","5","2","3","2","1") = "5"
    & skf21("2","6","6","5","2","3","3","1") = "5"
    & skf21("2","6","6","5","2","3","4","1") = "5"
    & skf21("2","6","6","5","2","3","5","1") = "5"
    & skf21("2","6","6","5","2","3","6","1") = "5"
    & skf21("2","6","6","5","2","3","7","1") = "6"
    & skf21("2","6","6","5","2","4","1","1") = "5"
    & skf21("2","6","6","5","2","4","2","1") = "5"
    & skf21("2","6","6","5","2","4","3","1") = "5"
    & skf21("2","6","6","5","2","4","4","1") = "5"
    & skf21("2","6","6","5","2","4","5","1") = "5"
    & skf21("2","6","6","5","2","4","6","1") = "5"
    & skf21("2","6","6","5","2","4","7","1") = "6"
    & skf21("2","6","6","5","2","5","1","1") = "5"
    & skf21("2","6","6","5","2","5","2","1") = "5"
    & skf21("2","6","6","5","2","5","3","1") = "5"
    & skf21("2","6","6","5","2","5","4","1") = "5"
    & skf21("2","6","6","5","2","5","5","1") = "5"
    & skf21("2","6","6","5","2","5","6","1") = "5"
    & skf21("2","6","6","5","2","5","7","1") = "6"
    & skf21("2","6","6","5","2","6","1","1") = "5"
    & skf21("2","6","6","5","2","6","2","1") = "5"
    & skf21("2","6","6","5","2","6","3","1") = "5"
    & skf21("2","6","6","5","2","6","4","1") = "5"
    & skf21("2","6","6","5","2","6","5","1") = "5"
    & skf21("2","6","6","5","2","6","6","1") = "5"
    & skf21("2","6","6","5","2","6","7","1") = "6"
    & skf21("2","6","6","5","2","7","1","1") = "6"
    & skf21("2","6","6","5","2","7","2","1") = "6"
    & skf21("2","6","6","5","2","7","3","1") = "6"
    & skf21("2","6","6","5","2","7","4","1") = "6"
    & skf21("2","6","6","5","2","7","5","1") = "6"
    & skf21("2","6","6","5","2","7","6","1") = "6"
    & skf21("2","6","6","5","2","7","7","1") = "6"
    & skf21("2","6","6","5","3","1","1","1") = "5"
    & skf21("2","6","6","5","3","1","2","1") = "5"
    & skf21("2","6","6","5","3","1","3","1") = "5"
    & skf21("2","6","6","5","3","1","4","1") = "5"
    & skf21("2","6","6","5","3","1","5","1") = "5"
    & skf21("2","6","6","5","3","1","6","1") = "5"
    & skf21("2","6","6","5","3","1","7","1") = "6"
    & skf21("2","6","6","5","3","2","1","1") = "5"
    & skf21("2","6","6","5","3","2","2","1") = "5"
    & skf21("2","6","6","5","3","2","3","1") = "5"
    & skf21("2","6","6","5","3","2","4","1") = "5"
    & skf21("2","6","6","5","3","2","5","1") = "5"
    & skf21("2","6","6","5","3","2","6","1") = "5"
    & skf21("2","6","6","5","3","2","7","1") = "6"
    & skf21("2","6","6","5","3","3","1","1") = "5"
    & skf21("2","6","6","5","3","3","2","1") = "5"
    & skf21("2","6","6","5","3","3","3","1") = "5"
    & skf21("2","6","6","5","3","3","4","1") = "5"
    & skf21("2","6","6","5","3","3","5","1") = "5"
    & skf21("2","6","6","5","3","3","6","1") = "5"
    & skf21("2","6","6","5","3","3","7","1") = "6"
    & skf21("2","6","6","5","3","4","1","1") = "5"
    & skf21("2","6","6","5","3","4","2","1") = "5"
    & skf21("2","6","6","5","3","4","3","1") = "5"
    & skf21("2","6","6","5","3","4","4","1") = "5"
    & skf21("2","6","6","5","3","4","5","1") = "5"
    & skf21("2","6","6","5","3","4","6","1") = "5"
    & skf21("2","6","6","5","3","4","7","1") = "6"
    & skf21("2","6","6","5","3","5","1","1") = "5"
    & skf21("2","6","6","5","3","5","2","1") = "5"
    & skf21("2","6","6","5","3","5","3","1") = "5"
    & skf21("2","6","6","5","3","5","4","1") = "5"
    & skf21("2","6","6","5","3","5","5","1") = "5"
    & skf21("2","6","6","5","3","5","6","1") = "5"
    & skf21("2","6","6","5","3","5","7","1") = "6"
    & skf21("2","6","6","5","3","6","1","1") = "5"
    & skf21("2","6","6","5","3","6","2","1") = "5"
    & skf21("2","6","6","5","3","6","3","1") = "5"
    & skf21("2","6","6","5","3","6","4","1") = "5"
    & skf21("2","6","6","5","3","6","5","1") = "5"
    & skf21("2","6","6","5","3","6","6","1") = "5"
    & skf21("2","6","6","5","3","6","7","1") = "6"
    & skf21("2","6","6","5","3","7","1","1") = "6"
    & skf21("2","6","6","5","3","7","2","1") = "6"
    & skf21("2","6","6","5","3","7","3","1") = "6"
    & skf21("2","6","6","5","3","7","4","1") = "6"
    & skf21("2","6","6","5","3","7","5","1") = "6"
    & skf21("2","6","6","5","3","7","6","1") = "6"
    & skf21("2","6","6","5","3","7","7","1") = "6"
    & skf21("2","6","6","5","4","1","1","1") = "5"
    & skf21("2","6","6","5","4","1","2","1") = "5"
    & skf21("2","6","6","5","4","1","3","1") = "5"
    & skf21("2","6","6","5","4","1","4","1") = "5"
    & skf21("2","6","6","5","4","1","5","1") = "5"
    & skf21("2","6","6","5","4","1","6","1") = "5"
    & skf21("2","6","6","5","4","1","7","1") = "6"
    & skf21("2","6","6","5","4","2","1","1") = "5"
    & skf21("2","6","6","5","4","2","2","1") = "5"
    & skf21("2","6","6","5","4","2","3","1") = "5"
    & skf21("2","6","6","5","4","2","4","1") = "5"
    & skf21("2","6","6","5","4","2","5","1") = "5"
    & skf21("2","6","6","5","4","2","6","1") = "5"
    & skf21("2","6","6","5","4","2","7","1") = "6"
    & skf21("2","6","6","5","4","3","1","1") = "5"
    & skf21("2","6","6","5","4","3","2","1") = "5"
    & skf21("2","6","6","5","4","3","3","1") = "5"
    & skf21("2","6","6","5","4","3","4","1") = "5"
    & skf21("2","6","6","5","4","3","5","1") = "5"
    & skf21("2","6","6","5","4","3","6","1") = "5"
    & skf21("2","6","6","5","4","3","7","1") = "6"
    & skf21("2","6","6","5","4","4","1","1") = "5"
    & skf21("2","6","6","5","4","4","2","1") = "5"
    & skf21("2","6","6","5","4","4","3","1") = "5"
    & skf21("2","6","6","5","4","4","4","1") = "5"
    & skf21("2","6","6","5","4","4","5","1") = "5"
    & skf21("2","6","6","5","4","4","6","1") = "5"
    & skf21("2","6","6","5","4","4","7","1") = "6"
    & skf21("2","6","6","5","4","5","1","1") = "5"
    & skf21("2","6","6","5","4","5","2","1") = "5"
    & skf21("2","6","6","5","4","5","3","1") = "5"
    & skf21("2","6","6","5","4","5","4","1") = "5"
    & skf21("2","6","6","5","4","5","5","1") = "5"
    & skf21("2","6","6","5","4","5","6","1") = "5"
    & skf21("2","6","6","5","4","5","7","1") = "6"
    & skf21("2","6","6","5","4","6","1","1") = "5"
    & skf21("2","6","6","5","4","6","2","1") = "5"
    & skf21("2","6","6","5","4","6","3","1") = "5"
    & skf21("2","6","6","5","4","6","4","1") = "5"
    & skf21("2","6","6","5","4","6","5","1") = "5"
    & skf21("2","6","6","5","4","6","6","1") = "5"
    & skf21("2","6","6","5","4","6","7","1") = "6"
    & skf21("2","6","6","5","4","7","1","1") = "6"
    & skf21("2","6","6","5","4","7","2","1") = "6"
    & skf21("2","6","6","5","4","7","3","1") = "6"
    & skf21("2","6","6","5","4","7","4","1") = "6"
    & skf21("2","6","6","5","4","7","5","1") = "6"
    & skf21("2","6","6","5","4","7","6","1") = "6"
    & skf21("2","6","6","5","4","7","7","1") = "6"
    & skf21("2","6","6","5","5","1","1","1") = "5"
    & skf21("2","6","6","5","5","1","2","1") = "5"
    & skf21("2","6","6","5","5","1","3","1") = "5"
    & skf21("2","6","6","5","5","1","4","1") = "5"
    & skf21("2","6","6","5","5","1","5","1") = "5"
    & skf21("2","6","6","5","5","1","6","1") = "5"
    & skf21("2","6","6","5","5","1","7","1") = "6"
    & skf21("2","6","6","5","5","2","1","1") = "5"
    & skf21("2","6","6","5","5","2","2","1") = "5"
    & skf21("2","6","6","5","5","2","3","1") = "5"
    & skf21("2","6","6","5","5","2","4","1") = "5"
    & skf21("2","6","6","5","5","2","5","1") = "5"
    & skf21("2","6","6","5","5","2","6","1") = "5"
    & skf21("2","6","6","5","5","2","7","1") = "6"
    & skf21("2","6","6","5","5","3","1","1") = "5"
    & skf21("2","6","6","5","5","3","2","1") = "5"
    & skf21("2","6","6","5","5","3","3","1") = "5"
    & skf21("2","6","6","5","5","3","4","1") = "5"
    & skf21("2","6","6","5","5","3","5","1") = "5"
    & skf21("2","6","6","5","5","3","6","1") = "5"
    & skf21("2","6","6","5","5","3","7","1") = "6"
    & skf21("2","6","6","5","5","4","1","1") = "5"
    & skf21("2","6","6","5","5","4","2","1") = "5"
    & skf21("2","6","6","5","5","4","3","1") = "5"
    & skf21("2","6","6","5","5","4","4","1") = "5"
    & skf21("2","6","6","5","5","4","5","1") = "5"
    & skf21("2","6","6","5","5","4","6","1") = "5"
    & skf21("2","6","6","5","5","4","7","1") = "6"
    & skf21("2","6","6","5","5","5","1","1") = "5"
    & skf21("2","6","6","5","5","5","2","1") = "5"
    & skf21("2","6","6","5","5","5","3","1") = "5"
    & skf21("2","6","6","5","5","5","4","1") = "5"
    & skf21("2","6","6","5","5","5","5","1") = "5"
    & skf21("2","6","6","5","5","5","6","1") = "5"
    & skf21("2","6","6","5","5","5","7","1") = "6"
    & skf21("2","6","6","5","5","6","1","1") = "5"
    & skf21("2","6","6","5","5","6","2","1") = "5"
    & skf21("2","6","6","5","5","6","3","1") = "5"
    & skf21("2","6","6","5","5","6","4","1") = "5"
    & skf21("2","6","6","5","5","6","5","1") = "5"
    & skf21("2","6","6","5","5","6","6","1") = "5"
    & skf21("2","6","6","5","5","6","7","1") = "6"
    & skf21("2","6","6","5","5","7","1","1") = "6"
    & skf21("2","6","6","5","5","7","2","1") = "6"
    & skf21("2","6","6","5","5","7","3","1") = "6"
    & skf21("2","6","6","5","5","7","4","1") = "6"
    & skf21("2","6","6","5","5","7","5","1") = "6"
    & skf21("2","6","6","5","5","7","6","1") = "6"
    & skf21("2","6","6","5","5","7","7","1") = "6"
    & skf21("2","6","6","5","6","1","1","1") = "5"
    & skf21("2","6","6","5","6","1","2","1") = "5"
    & skf21("2","6","6","5","6","1","3","1") = "5"
    & skf21("2","6","6","5","6","1","4","1") = "5"
    & skf21("2","6","6","5","6","1","5","1") = "5"
    & skf21("2","6","6","5","6","1","6","1") = "5"
    & skf21("2","6","6","5","6","1","7","1") = "6"
    & skf21("2","6","6","5","6","2","1","1") = "5"
    & skf21("2","6","6","5","6","2","2","1") = "5"
    & skf21("2","6","6","5","6","2","3","1") = "5"
    & skf21("2","6","6","5","6","2","4","1") = "5"
    & skf21("2","6","6","5","6","2","5","1") = "5"
    & skf21("2","6","6","5","6","2","6","1") = "5"
    & skf21("2","6","6","5","6","2","7","1") = "6"
    & skf21("2","6","6","5","6","3","1","1") = "5"
    & skf21("2","6","6","5","6","3","2","1") = "5"
    & skf21("2","6","6","5","6","3","3","1") = "5"
    & skf21("2","6","6","5","6","3","4","1") = "5"
    & skf21("2","6","6","5","6","3","5","1") = "5"
    & skf21("2","6","6","5","6","3","6","1") = "5"
    & skf21("2","6","6","5","6","3","7","1") = "6"
    & skf21("2","6","6","5","6","4","1","1") = "5"
    & skf21("2","6","6","5","6","4","2","1") = "5"
    & skf21("2","6","6","5","6","4","3","1") = "5"
    & skf21("2","6","6","5","6","4","4","1") = "5"
    & skf21("2","6","6","5","6","4","5","1") = "5"
    & skf21("2","6","6","5","6","4","6","1") = "5"
    & skf21("2","6","6","5","6","4","7","1") = "6"
    & skf21("2","6","6","5","6","5","1","1") = "5"
    & skf21("2","6","6","5","6","5","2","1") = "5"
    & skf21("2","6","6","5","6","5","3","1") = "5"
    & skf21("2","6","6","5","6","5","4","1") = "5"
    & skf21("2","6","6","5","6","5","5","1") = "5"
    & skf21("2","6","6","5","6","5","6","1") = "5"
    & skf21("2","6","6","5","6","5","7","1") = "6"
    & skf21("2","6","6","5","6","6","1","1") = "5"
    & skf21("2","6","6","5","6","6","2","1") = "5"
    & skf21("2","6","6","5","6","6","3","1") = "5"
    & skf21("2","6","6","5","6","6","4","1") = "5"
    & skf21("2","6","6","5","6","6","5","1") = "5"
    & skf21("2","6","6","5","6","6","6","1") = "5"
    & skf21("2","6","6","5","6","6","7","1") = "6"
    & skf21("2","6","6","5","6","7","1","1") = "6"
    & skf21("2","6","6","5","6","7","2","1") = "6"
    & skf21("2","6","6","5","6","7","3","1") = "6"
    & skf21("2","6","6","5","6","7","4","1") = "6"
    & skf21("2","6","6","5","6","7","5","1") = "6"
    & skf21("2","6","6","5","6","7","6","1") = "6"
    & skf21("2","6","6","5","6","7","7","1") = "6"
    & skf21("2","6","6","5","7","1","1","1") = "6"
    & skf21("2","6","6","5","7","1","2","1") = "6"
    & skf21("2","6","6","5","7","1","3","1") = "6"
    & skf21("2","6","6","5","7","1","4","1") = "6"
    & skf21("2","6","6","5","7","1","5","1") = "6"
    & skf21("2","6","6","5","7","1","6","1") = "6"
    & skf21("2","6","6","5","7","1","7","1") = "6"
    & skf21("2","6","6","5","7","2","1","1") = "6"
    & skf21("2","6","6","5","7","2","2","1") = "6"
    & skf21("2","6","6","5","7","2","3","1") = "6"
    & skf21("2","6","6","5","7","2","4","1") = "6"
    & skf21("2","6","6","5","7","2","5","1") = "6"
    & skf21("2","6","6","5","7","2","6","1") = "6"
    & skf21("2","6","6","5","7","2","7","1") = "6"
    & skf21("2","6","6","5","7","3","1","1") = "6"
    & skf21("2","6","6","5","7","3","2","1") = "6"
    & skf21("2","6","6","5","7","3","3","1") = "6"
    & skf21("2","6","6","5","7","3","4","1") = "6"
    & skf21("2","6","6","5","7","3","5","1") = "6"
    & skf21("2","6","6","5","7","3","6","1") = "6"
    & skf21("2","6","6","5","7","3","7","1") = "6"
    & skf21("2","6","6","5","7","4","1","1") = "6"
    & skf21("2","6","6","5","7","4","2","1") = "6"
    & skf21("2","6","6","5","7","4","3","1") = "6"
    & skf21("2","6","6","5","7","4","4","1") = "6"
    & skf21("2","6","6","5","7","4","5","1") = "6"
    & skf21("2","6","6","5","7","4","6","1") = "6"
    & skf21("2","6","6","5","7","4","7","1") = "6"
    & skf21("2","6","6","5","7","5","1","1") = "6"
    & skf21("2","6","6","5","7","5","2","1") = "6"
    & skf21("2","6","6","5","7","5","3","1") = "6"
    & skf21("2","6","6","5","7","5","4","1") = "6"
    & skf21("2","6","6","5","7","5","5","1") = "6"
    & skf21("2","6","6","5","7","5","6","1") = "6"
    & skf21("2","6","6","5","7","5","7","1") = "6"
    & skf21("2","6","6","5","7","6","1","1") = "6"
    & skf21("2","6","6","5","7","6","2","1") = "6"
    & skf21("2","6","6","5","7","6","3","1") = "6"
    & skf21("2","6","6","5","7","6","4","1") = "6"
    & skf21("2","6","6","5","7","6","5","1") = "6"
    & skf21("2","6","6","5","7","6","6","1") = "6"
    & skf21("2","6","6","5","7","6","7","1") = "6"
    & skf21("2","6","6","5","7","7","1","1") = "6"
    & skf21("2","6","6","5","7","7","2","1") = "6"
    & skf21("2","6","6","5","7","7","3","1") = "6"
    & skf21("2","6","6","5","7","7","4","1") = "6"
    & skf21("2","6","6","5","7","7","5","1") = "6"
    & skf21("2","6","6","5","7","7","6","1") = "6"
    & skf21("2","6","6","5","7","7","7","1") = "6"
    & skf21("2","6","6","6","1","1","1","1") = "5"
    & skf21("2","6","6","6","1","1","2","1") = "5"
    & skf21("2","6","6","6","1","1","3","1") = "5"
    & skf21("2","6","6","6","1","1","4","1") = "5"
    & skf21("2","6","6","6","1","1","5","1") = "5"
    & skf21("2","6","6","6","1","1","6","1") = "5"
    & skf21("2","6","6","6","1","1","7","1") = "6"
    & skf21("2","6","6","6","1","2","1","1") = "5"
    & skf21("2","6","6","6","1","2","2","1") = "5"
    & skf21("2","6","6","6","1","2","3","1") = "5"
    & skf21("2","6","6","6","1","2","4","1") = "5"
    & skf21("2","6","6","6","1","2","5","1") = "5"
    & skf21("2","6","6","6","1","2","6","1") = "5"
    & skf21("2","6","6","6","1","2","7","1") = "6"
    & skf21("2","6","6","6","1","3","1","1") = "5"
    & skf21("2","6","6","6","1","3","2","1") = "5"
    & skf21("2","6","6","6","1","3","3","1") = "5"
    & skf21("2","6","6","6","1","3","4","1") = "5"
    & skf21("2","6","6","6","1","3","5","1") = "5"
    & skf21("2","6","6","6","1","3","6","1") = "5"
    & skf21("2","6","6","6","1","3","7","1") = "6"
    & skf21("2","6","6","6","1","4","1","1") = "5"
    & skf21("2","6","6","6","1","4","2","1") = "5"
    & skf21("2","6","6","6","1","4","3","1") = "5"
    & skf21("2","6","6","6","1","4","4","1") = "5"
    & skf21("2","6","6","6","1","4","5","1") = "5"
    & skf21("2","6","6","6","1","4","6","1") = "5"
    & skf21("2","6","6","6","1","4","7","1") = "6"
    & skf21("2","6","6","6","1","5","1","1") = "5"
    & skf21("2","6","6","6","1","5","2","1") = "5"
    & skf21("2","6","6","6","1","5","3","1") = "5"
    & skf21("2","6","6","6","1","5","4","1") = "5"
    & skf21("2","6","6","6","1","5","5","1") = "5"
    & skf21("2","6","6","6","1","5","6","1") = "5"
    & skf21("2","6","6","6","1","5","7","1") = "6"
    & skf21("2","6","6","6","1","6","1","1") = "5"
    & skf21("2","6","6","6","1","6","2","1") = "5"
    & skf21("2","6","6","6","1","6","3","1") = "5"
    & skf21("2","6","6","6","1","6","4","1") = "5"
    & skf21("2","6","6","6","1","6","5","1") = "5"
    & skf21("2","6","6","6","1","6","6","1") = "5"
    & skf21("2","6","6","6","1","6","7","1") = "6"
    & skf21("2","6","6","6","1","7","1","1") = "6"
    & skf21("2","6","6","6","1","7","2","1") = "6"
    & skf21("2","6","6","6","1","7","3","1") = "6"
    & skf21("2","6","6","6","1","7","4","1") = "6"
    & skf21("2","6","6","6","1","7","5","1") = "6"
    & skf21("2","6","6","6","1","7","6","1") = "6"
    & skf21("2","6","6","6","1","7","7","1") = "6"
    & skf21("2","6","6","6","2","1","1","1") = "5"
    & skf21("2","6","6","6","2","1","2","1") = "5"
    & skf21("2","6","6","6","2","1","3","1") = "5"
    & skf21("2","6","6","6","2","1","4","1") = "5"
    & skf21("2","6","6","6","2","1","5","1") = "5"
    & skf21("2","6","6","6","2","1","6","1") = "5"
    & skf21("2","6","6","6","2","1","7","1") = "6"
    & skf21("2","6","6","6","2","2","1","1") = "5"
    & skf21("2","6","6","6","2","2","2","1") = "5"
    & skf21("2","6","6","6","2","2","3","1") = "5"
    & skf21("2","6","6","6","2","2","4","1") = "5"
    & skf21("2","6","6","6","2","2","5","1") = "5"
    & skf21("2","6","6","6","2","2","6","1") = "5"
    & skf21("2","6","6","6","2","2","7","1") = "6"
    & skf21("2","6","6","6","2","3","1","1") = "5"
    & skf21("2","6","6","6","2","3","2","1") = "5"
    & skf21("2","6","6","6","2","3","3","1") = "5"
    & skf21("2","6","6","6","2","3","4","1") = "5"
    & skf21("2","6","6","6","2","3","5","1") = "5"
    & skf21("2","6","6","6","2","3","6","1") = "5"
    & skf21("2","6","6","6","2","3","7","1") = "6"
    & skf21("2","6","6","6","2","4","1","1") = "5"
    & skf21("2","6","6","6","2","4","2","1") = "5"
    & skf21("2","6","6","6","2","4","3","1") = "5"
    & skf21("2","6","6","6","2","4","4","1") = "5"
    & skf21("2","6","6","6","2","4","5","1") = "5"
    & skf21("2","6","6","6","2","4","6","1") = "5"
    & skf21("2","6","6","6","2","4","7","1") = "6"
    & skf21("2","6","6","6","2","5","1","1") = "5"
    & skf21("2","6","6","6","2","5","2","1") = "5"
    & skf21("2","6","6","6","2","5","3","1") = "5"
    & skf21("2","6","6","6","2","5","4","1") = "5"
    & skf21("2","6","6","6","2","5","5","1") = "5"
    & skf21("2","6","6","6","2","5","6","1") = "5"
    & skf21("2","6","6","6","2","5","7","1") = "6"
    & skf21("2","6","6","6","2","6","1","1") = "5"
    & skf21("2","6","6","6","2","6","2","1") = "5"
    & skf21("2","6","6","6","2","6","3","1") = "5"
    & skf21("2","6","6","6","2","6","4","1") = "5"
    & skf21("2","6","6","6","2","6","5","1") = "5"
    & skf21("2","6","6","6","2","6","6","1") = "5"
    & skf21("2","6","6","6","2","6","7","1") = "6"
    & skf21("2","6","6","6","2","7","1","1") = "6"
    & skf21("2","6","6","6","2","7","2","1") = "6"
    & skf21("2","6","6","6","2","7","3","1") = "6"
    & skf21("2","6","6","6","2","7","4","1") = "6"
    & skf21("2","6","6","6","2","7","5","1") = "6"
    & skf21("2","6","6","6","2","7","6","1") = "6"
    & skf21("2","6","6","6","2","7","7","1") = "6"
    & skf21("2","6","6","6","3","1","1","1") = "5"
    & skf21("2","6","6","6","3","1","2","1") = "5"
    & skf21("2","6","6","6","3","1","3","1") = "5"
    & skf21("2","6","6","6","3","1","4","1") = "5"
    & skf21("2","6","6","6","3","1","5","1") = "5"
    & skf21("2","6","6","6","3","1","6","1") = "5"
    & skf21("2","6","6","6","3","1","7","1") = "6"
    & skf21("2","6","6","6","3","2","1","1") = "5"
    & skf21("2","6","6","6","3","2","2","1") = "5"
    & skf21("2","6","6","6","3","2","3","1") = "5"
    & skf21("2","6","6","6","3","2","4","1") = "5"
    & skf21("2","6","6","6","3","2","5","1") = "5"
    & skf21("2","6","6","6","3","2","6","1") = "5"
    & skf21("2","6","6","6","3","2","7","1") = "6"
    & skf21("2","6","6","6","3","3","1","1") = "5"
    & skf21("2","6","6","6","3","3","2","1") = "5"
    & skf21("2","6","6","6","3","3","3","1") = "5"
    & skf21("2","6","6","6","3","3","4","1") = "5"
    & skf21("2","6","6","6","3","3","5","1") = "5"
    & skf21("2","6","6","6","3","3","6","1") = "5"
    & skf21("2","6","6","6","3","3","7","1") = "6"
    & skf21("2","6","6","6","3","4","1","1") = "5"
    & skf21("2","6","6","6","3","4","2","1") = "5"
    & skf21("2","6","6","6","3","4","3","1") = "5"
    & skf21("2","6","6","6","3","4","4","1") = "5"
    & skf21("2","6","6","6","3","4","5","1") = "5"
    & skf21("2","6","6","6","3","4","6","1") = "5"
    & skf21("2","6","6","6","3","4","7","1") = "6"
    & skf21("2","6","6","6","3","5","1","1") = "5"
    & skf21("2","6","6","6","3","5","2","1") = "5"
    & skf21("2","6","6","6","3","5","3","1") = "5"
    & skf21("2","6","6","6","3","5","4","1") = "5"
    & skf21("2","6","6","6","3","5","5","1") = "5"
    & skf21("2","6","6","6","3","5","6","1") = "5"
    & skf21("2","6","6","6","3","5","7","1") = "6"
    & skf21("2","6","6","6","3","6","1","1") = "5"
    & skf21("2","6","6","6","3","6","2","1") = "5"
    & skf21("2","6","6","6","3","6","3","1") = "5"
    & skf21("2","6","6","6","3","6","4","1") = "5"
    & skf21("2","6","6","6","3","6","5","1") = "5"
    & skf21("2","6","6","6","3","6","6","1") = "5"
    & skf21("2","6","6","6","3","6","7","1") = "6"
    & skf21("2","6","6","6","3","7","1","1") = "6"
    & skf21("2","6","6","6","3","7","2","1") = "6"
    & skf21("2","6","6","6","3","7","3","1") = "6"
    & skf21("2","6","6","6","3","7","4","1") = "6"
    & skf21("2","6","6","6","3","7","5","1") = "6"
    & skf21("2","6","6","6","3","7","6","1") = "6"
    & skf21("2","6","6","6","3","7","7","1") = "6"
    & skf21("2","6","6","6","4","1","1","1") = "5"
    & skf21("2","6","6","6","4","1","2","1") = "5"
    & skf21("2","6","6","6","4","1","3","1") = "5"
    & skf21("2","6","6","6","4","1","4","1") = "5"
    & skf21("2","6","6","6","4","1","5","1") = "5"
    & skf21("2","6","6","6","4","1","6","1") = "5"
    & skf21("2","6","6","6","4","1","7","1") = "6"
    & skf21("2","6","6","6","4","2","1","1") = "5"
    & skf21("2","6","6","6","4","2","2","1") = "5"
    & skf21("2","6","6","6","4","2","3","1") = "5"
    & skf21("2","6","6","6","4","2","4","1") = "5"
    & skf21("2","6","6","6","4","2","5","1") = "5"
    & skf21("2","6","6","6","4","2","6","1") = "5"
    & skf21("2","6","6","6","4","2","7","1") = "6"
    & skf21("2","6","6","6","4","3","1","1") = "5"
    & skf21("2","6","6","6","4","3","2","1") = "5"
    & skf21("2","6","6","6","4","3","3","1") = "5"
    & skf21("2","6","6","6","4","3","4","1") = "5"
    & skf21("2","6","6","6","4","3","5","1") = "5"
    & skf21("2","6","6","6","4","3","6","1") = "5"
    & skf21("2","6","6","6","4","3","7","1") = "6"
    & skf21("2","6","6","6","4","4","1","1") = "5"
    & skf21("2","6","6","6","4","4","2","1") = "5"
    & skf21("2","6","6","6","4","4","3","1") = "5"
    & skf21("2","6","6","6","4","4","4","1") = "5"
    & skf21("2","6","6","6","4","4","5","1") = "5"
    & skf21("2","6","6","6","4","4","6","1") = "5"
    & skf21("2","6","6","6","4","4","7","1") = "6"
    & skf21("2","6","6","6","4","5","1","1") = "5"
    & skf21("2","6","6","6","4","5","2","1") = "5"
    & skf21("2","6","6","6","4","5","3","1") = "5"
    & skf21("2","6","6","6","4","5","4","1") = "5"
    & skf21("2","6","6","6","4","5","5","1") = "5"
    & skf21("2","6","6","6","4","5","6","1") = "5"
    & skf21("2","6","6","6","4","5","7","1") = "6"
    & skf21("2","6","6","6","4","6","1","1") = "5"
    & skf21("2","6","6","6","4","6","2","1") = "5"
    & skf21("2","6","6","6","4","6","3","1") = "5"
    & skf21("2","6","6","6","4","6","4","1") = "5"
    & skf21("2","6","6","6","4","6","5","1") = "5"
    & skf21("2","6","6","6","4","6","6","1") = "5"
    & skf21("2","6","6","6","4","6","7","1") = "6"
    & skf21("2","6","6","6","4","7","1","1") = "6"
    & skf21("2","6","6","6","4","7","2","1") = "6"
    & skf21("2","6","6","6","4","7","3","1") = "6"
    & skf21("2","6","6","6","4","7","4","1") = "6"
    & skf21("2","6","6","6","4","7","5","1") = "6"
    & skf21("2","6","6","6","4","7","6","1") = "6"
    & skf21("2","6","6","6","4","7","7","1") = "6"
    & skf21("2","6","6","6","5","1","1","1") = "5"
    & skf21("2","6","6","6","5","1","2","1") = "5"
    & skf21("2","6","6","6","5","1","3","1") = "5"
    & skf21("2","6","6","6","5","1","4","1") = "5"
    & skf21("2","6","6","6","5","1","5","1") = "5"
    & skf21("2","6","6","6","5","1","6","1") = "5"
    & skf21("2","6","6","6","5","1","7","1") = "6"
    & skf21("2","6","6","6","5","2","1","1") = "5"
    & skf21("2","6","6","6","5","2","2","1") = "5"
    & skf21("2","6","6","6","5","2","3","1") = "5"
    & skf21("2","6","6","6","5","2","4","1") = "5"
    & skf21("2","6","6","6","5","2","5","1") = "5"
    & skf21("2","6","6","6","5","2","6","1") = "5"
    & skf21("2","6","6","6","5","2","7","1") = "6"
    & skf21("2","6","6","6","5","3","1","1") = "5"
    & skf21("2","6","6","6","5","3","2","1") = "5"
    & skf21("2","6","6","6","5","3","3","1") = "5"
    & skf21("2","6","6","6","5","3","4","1") = "5"
    & skf21("2","6","6","6","5","3","5","1") = "5"
    & skf21("2","6","6","6","5","3","6","1") = "5"
    & skf21("2","6","6","6","5","3","7","1") = "6"
    & skf21("2","6","6","6","5","4","1","1") = "5"
    & skf21("2","6","6","6","5","4","2","1") = "5"
    & skf21("2","6","6","6","5","4","3","1") = "5"
    & skf21("2","6","6","6","5","4","4","1") = "5"
    & skf21("2","6","6","6","5","4","5","1") = "5"
    & skf21("2","6","6","6","5","4","6","1") = "5"
    & skf21("2","6","6","6","5","4","7","1") = "6"
    & skf21("2","6","6","6","5","5","1","1") = "5"
    & skf21("2","6","6","6","5","5","2","1") = "5"
    & skf21("2","6","6","6","5","5","3","1") = "5"
    & skf21("2","6","6","6","5","5","4","1") = "5"
    & skf21("2","6","6","6","5","5","5","1") = "5"
    & skf21("2","6","6","6","5","5","6","1") = "5"
    & skf21("2","6","6","6","5","5","7","1") = "6"
    & skf21("2","6","6","6","5","6","1","1") = "5"
    & skf21("2","6","6","6","5","6","2","1") = "5"
    & skf21("2","6","6","6","5","6","3","1") = "5"
    & skf21("2","6","6","6","5","6","4","1") = "5"
    & skf21("2","6","6","6","5","6","5","1") = "5"
    & skf21("2","6","6","6","5","6","6","1") = "5"
    & skf21("2","6","6","6","5","6","7","1") = "6"
    & skf21("2","6","6","6","5","7","1","1") = "6"
    & skf21("2","6","6","6","5","7","2","1") = "6"
    & skf21("2","6","6","6","5","7","3","1") = "6"
    & skf21("2","6","6","6","5","7","4","1") = "6"
    & skf21("2","6","6","6","5","7","5","1") = "6"
    & skf21("2","6","6","6","5","7","6","1") = "6"
    & skf21("2","6","6","6","5","7","7","1") = "6"
    & skf21("2","6","6","6","6","1","1","1") = "5"
    & skf21("2","6","6","6","6","1","2","1") = "5"
    & skf21("2","6","6","6","6","1","3","1") = "5"
    & skf21("2","6","6","6","6","1","4","1") = "5"
    & skf21("2","6","6","6","6","1","5","1") = "5"
    & skf21("2","6","6","6","6","1","6","1") = "5"
    & skf21("2","6","6","6","6","1","7","1") = "6"
    & skf21("2","6","6","6","6","2","1","1") = "5"
    & skf21("2","6","6","6","6","2","2","1") = "5"
    & skf21("2","6","6","6","6","2","3","1") = "5"
    & skf21("2","6","6","6","6","2","4","1") = "5"
    & skf21("2","6","6","6","6","2","5","1") = "5"
    & skf21("2","6","6","6","6","2","6","1") = "5"
    & skf21("2","6","6","6","6","2","7","1") = "6"
    & skf21("2","6","6","6","6","3","1","1") = "5"
    & skf21("2","6","6","6","6","3","2","1") = "5"
    & skf21("2","6","6","6","6","3","3","1") = "5"
    & skf21("2","6","6","6","6","3","4","1") = "5"
    & skf21("2","6","6","6","6","3","5","1") = "5"
    & skf21("2","6","6","6","6","3","6","1") = "5"
    & skf21("2","6","6","6","6","3","7","1") = "6"
    & skf21("2","6","6","6","6","4","1","1") = "5"
    & skf21("2","6","6","6","6","4","2","1") = "5"
    & skf21("2","6","6","6","6","4","3","1") = "5"
    & skf21("2","6","6","6","6","4","4","1") = "5"
    & skf21("2","6","6","6","6","4","5","1") = "5"
    & skf21("2","6","6","6","6","4","6","1") = "5"
    & skf21("2","6","6","6","6","4","7","1") = "6"
    & skf21("2","6","6","6","6","5","1","1") = "5"
    & skf21("2","6","6","6","6","5","2","1") = "5"
    & skf21("2","6","6","6","6","5","3","1") = "5"
    & skf21("2","6","6","6","6","5","4","1") = "5"
    & skf21("2","6","6","6","6","5","5","1") = "5"
    & skf21("2","6","6","6","6","5","6","1") = "5"
    & skf21("2","6","6","6","6","5","7","1") = "6"
    & skf21("2","6","6","6","6","6","1","1") = "5"
    & skf21("2","6","6","6","6","6","2","1") = "5"
    & skf21("2","6","6","6","6","6","3","1") = "5"
    & skf21("2","6","6","6","6","6","4","1") = "5"
    & skf21("2","6","6","6","6","6","5","1") = "5"
    & skf21("2","6","6","6","6","6","6","1") = "5"
    & skf21("2","6","6","6","6","6","7","1") = "6"
    & skf21("2","6","6","6","6","7","1","1") = "6"
    & skf21("2","6","6","6","6","7","2","1") = "6"
    & skf21("2","6","6","6","6","7","3","1") = "6"
    & skf21("2","6","6","6","6","7","4","1") = "6"
    & skf21("2","6","6","6","6","7","5","1") = "6"
    & skf21("2","6","6","6","6","7","6","1") = "6"
    & skf21("2","6","6","6","6","7","7","1") = "6"
    & skf21("2","6","6","6","7","1","1","1") = "6"
    & skf21("2","6","6","6","7","1","2","1") = "6"
    & skf21("2","6","6","6","7","1","3","1") = "6"
    & skf21("2","6","6","6","7","1","4","1") = "6"
    & skf21("2","6","6","6","7","1","5","1") = "6"
    & skf21("2","6","6","6","7","1","6","1") = "6"
    & skf21("2","6","6","6","7","1","7","1") = "6"
    & skf21("2","6","6","6","7","2","1","1") = "6"
    & skf21("2","6","6","6","7","2","2","1") = "6"
    & skf21("2","6","6","6","7","2","3","1") = "6"
    & skf21("2","6","6","6","7","2","4","1") = "6"
    & skf21("2","6","6","6","7","2","5","1") = "6"
    & skf21("2","6","6","6","7","2","6","1") = "6"
    & skf21("2","6","6","6","7","2","7","1") = "6"
    & skf21("2","6","6","6","7","3","1","1") = "6"
    & skf21("2","6","6","6","7","3","2","1") = "6"
    & skf21("2","6","6","6","7","3","3","1") = "6"
    & skf21("2","6","6","6","7","3","4","1") = "6"
    & skf21("2","6","6","6","7","3","5","1") = "6"
    & skf21("2","6","6","6","7","3","6","1") = "6"
    & skf21("2","6","6","6","7","3","7","1") = "6"
    & skf21("2","6","6","6","7","4","1","1") = "6"
    & skf21("2","6","6","6","7","4","2","1") = "6"
    & skf21("2","6","6","6","7","4","3","1") = "6"
    & skf21("2","6","6","6","7","4","4","1") = "6"
    & skf21("2","6","6","6","7","4","5","1") = "6"
    & skf21("2","6","6","6","7","4","6","1") = "6"
    & skf21("2","6","6","6","7","4","7","1") = "6"
    & skf21("2","6","6","6","7","5","1","1") = "6"
    & skf21("2","6","6","6","7","5","2","1") = "6"
    & skf21("2","6","6","6","7","5","3","1") = "6"
    & skf21("2","6","6","6","7","5","4","1") = "6"
    & skf21("2","6","6","6","7","5","5","1") = "6"
    & skf21("2","6","6","6","7","5","6","1") = "6"
    & skf21("2","6","6","6","7","5","7","1") = "6"
    & skf21("2","6","6","6","7","6","1","1") = "6"
    & skf21("2","6","6","6","7","6","2","1") = "6"
    & skf21("2","6","6","6","7","6","3","1") = "6"
    & skf21("2","6","6","6","7","6","4","1") = "6"
    & skf21("2","6","6","6","7","6","5","1") = "6"
    & skf21("2","6","6","6","7","6","6","1") = "6"
    & skf21("2","6","6","6","7","6","7","1") = "6"
    & skf21("2","6","6","6","7","7","1","1") = "6"
    & skf21("2","6","6","6","7","7","2","1") = "6"
    & skf21("2","6","6","6","7","7","3","1") = "6"
    & skf21("2","6","6","6","7","7","4","1") = "6"
    & skf21("2","6","6","6","7","7","5","1") = "6"
    & skf21("2","6","6","6","7","7","6","1") = "6"
    & skf21("2","6","6","6","7","7","7","1") = "6"
    & skf21("2","6","6","7","1","1","1","1") = "6"
    & skf21("2","6","6","7","1","1","2","1") = "6"
    & skf21("2","6","6","7","1","1","3","1") = "6"
    & skf21("2","6","6","7","1","1","4","1") = "6"
    & skf21("2","6","6","7","1","1","5","1") = "6"
    & skf21("2","6","6","7","1","1","6","1") = "6"
    & skf21("2","6","6","7","1","1","7","1") = "6"
    & skf21("2","6","6","7","1","2","1","1") = "6"
    & skf21("2","6","6","7","1","2","2","1") = "6"
    & skf21("2","6","6","7","1","2","3","1") = "6"
    & skf21("2","6","6","7","1","2","4","1") = "6"
    & skf21("2","6","6","7","1","2","5","1") = "6"
    & skf21("2","6","6","7","1","2","6","1") = "6"
    & skf21("2","6","6","7","1","2","7","1") = "6"
    & skf21("2","6","6","7","1","3","1","1") = "6"
    & skf21("2","6","6","7","1","3","2","1") = "6"
    & skf21("2","6","6","7","1","3","3","1") = "6"
    & skf21("2","6","6","7","1","3","4","1") = "6"
    & skf21("2","6","6","7","1","3","5","1") = "6"
    & skf21("2","6","6","7","1","3","6","1") = "6"
    & skf21("2","6","6","7","1","3","7","1") = "6"
    & skf21("2","6","6","7","1","4","1","1") = "6"
    & skf21("2","6","6","7","1","4","2","1") = "6"
    & skf21("2","6","6","7","1","4","3","1") = "6"
    & skf21("2","6","6","7","1","4","4","1") = "6"
    & skf21("2","6","6","7","1","4","5","1") = "6"
    & skf21("2","6","6","7","1","4","6","1") = "6"
    & skf21("2","6","6","7","1","4","7","1") = "6"
    & skf21("2","6","6","7","1","5","1","1") = "6"
    & skf21("2","6","6","7","1","5","2","1") = "6"
    & skf21("2","6","6","7","1","5","3","1") = "6"
    & skf21("2","6","6","7","1","5","4","1") = "6"
    & skf21("2","6","6","7","1","5","5","1") = "6"
    & skf21("2","6","6","7","1","5","6","1") = "6"
    & skf21("2","6","6","7","1","5","7","1") = "6"
    & skf21("2","6","6","7","1","6","1","1") = "6"
    & skf21("2","6","6","7","1","6","2","1") = "6"
    & skf21("2","6","6","7","1","6","3","1") = "6"
    & skf21("2","6","6","7","1","6","4","1") = "6"
    & skf21("2","6","6","7","1","6","5","1") = "6"
    & skf21("2","6","6","7","1","6","6","1") = "6"
    & skf21("2","6","6","7","1","6","7","1") = "6"
    & skf21("2","6","6","7","1","7","1","1") = "6"
    & skf21("2","6","6","7","1","7","2","1") = "6"
    & skf21("2","6","6","7","1","7","3","1") = "6"
    & skf21("2","6","6","7","1","7","4","1") = "6"
    & skf21("2","6","6","7","1","7","5","1") = "6"
    & skf21("2","6","6","7","1","7","6","1") = "6"
    & skf21("2","6","6","7","1","7","7","1") = "6"
    & skf21("2","6","6","7","2","1","1","1") = "6"
    & skf21("2","6","6","7","2","1","2","1") = "6"
    & skf21("2","6","6","7","2","1","3","1") = "6"
    & skf21("2","6","6","7","2","1","4","1") = "6"
    & skf21("2","6","6","7","2","1","5","1") = "6"
    & skf21("2","6","6","7","2","1","6","1") = "6"
    & skf21("2","6","6","7","2","1","7","1") = "6"
    & skf21("2","6","6","7","2","2","1","1") = "6"
    & skf21("2","6","6","7","2","2","2","1") = "6"
    & skf21("2","6","6","7","2","2","3","1") = "6"
    & skf21("2","6","6","7","2","2","4","1") = "6"
    & skf21("2","6","6","7","2","2","5","1") = "6"
    & skf21("2","6","6","7","2","2","6","1") = "6"
    & skf21("2","6","6","7","2","2","7","1") = "6"
    & skf21("2","6","6","7","2","3","1","1") = "6"
    & skf21("2","6","6","7","2","3","2","1") = "6"
    & skf21("2","6","6","7","2","3","3","1") = "6"
    & skf21("2","6","6","7","2","3","4","1") = "6"
    & skf21("2","6","6","7","2","3","5","1") = "6"
    & skf21("2","6","6","7","2","3","6","1") = "6"
    & skf21("2","6","6","7","2","3","7","1") = "6"
    & skf21("2","6","6","7","2","4","1","1") = "6"
    & skf21("2","6","6","7","2","4","2","1") = "6"
    & skf21("2","6","6","7","2","4","3","1") = "6"
    & skf21("2","6","6","7","2","4","4","1") = "6"
    & skf21("2","6","6","7","2","4","5","1") = "6"
    & skf21("2","6","6","7","2","4","6","1") = "6"
    & skf21("2","6","6","7","2","4","7","1") = "6"
    & skf21("2","6","6","7","2","5","1","1") = "6"
    & skf21("2","6","6","7","2","5","2","1") = "6"
    & skf21("2","6","6","7","2","5","3","1") = "6"
    & skf21("2","6","6","7","2","5","4","1") = "6"
    & skf21("2","6","6","7","2","5","5","1") = "6"
    & skf21("2","6","6","7","2","5","6","1") = "6"
    & skf21("2","6","6","7","2","5","7","1") = "6"
    & skf21("2","6","6","7","2","6","1","1") = "6"
    & skf21("2","6","6","7","2","6","2","1") = "6"
    & skf21("2","6","6","7","2","6","3","1") = "6"
    & skf21("2","6","6","7","2","6","4","1") = "6"
    & skf21("2","6","6","7","2","6","5","1") = "6"
    & skf21("2","6","6","7","2","6","6","1") = "6"
    & skf21("2","6","6","7","2","6","7","1") = "6"
    & skf21("2","6","6","7","2","7","1","1") = "6"
    & skf21("2","6","6","7","2","7","2","1") = "6"
    & skf21("2","6","6","7","2","7","3","1") = "6"
    & skf21("2","6","6","7","2","7","4","1") = "6"
    & skf21("2","6","6","7","2","7","5","1") = "6"
    & skf21("2","6","6","7","2","7","6","1") = "6"
    & skf21("2","6","6","7","2","7","7","1") = "6"
    & skf21("2","6","6","7","3","1","1","1") = "6"
    & skf21("2","6","6","7","3","1","2","1") = "6"
    & skf21("2","6","6","7","3","1","3","1") = "6"
    & skf21("2","6","6","7","3","1","4","1") = "6"
    & skf21("2","6","6","7","3","1","5","1") = "6"
    & skf21("2","6","6","7","3","1","6","1") = "6"
    & skf21("2","6","6","7","3","1","7","1") = "6"
    & skf21("2","6","6","7","3","2","1","1") = "6"
    & skf21("2","6","6","7","3","2","2","1") = "6"
    & skf21("2","6","6","7","3","2","3","1") = "6"
    & skf21("2","6","6","7","3","2","4","1") = "6"
    & skf21("2","6","6","7","3","2","5","1") = "6"
    & skf21("2","6","6","7","3","2","6","1") = "6"
    & skf21("2","6","6","7","3","2","7","1") = "6"
    & skf21("2","6","6","7","3","3","1","1") = "6"
    & skf21("2","6","6","7","3","3","2","1") = "6"
    & skf21("2","6","6","7","3","3","3","1") = "6"
    & skf21("2","6","6","7","3","3","4","1") = "6"
    & skf21("2","6","6","7","3","3","5","1") = "6"
    & skf21("2","6","6","7","3","3","6","1") = "6"
    & skf21("2","6","6","7","3","3","7","1") = "6"
    & skf21("2","6","6","7","3","4","1","1") = "6"
    & skf21("2","6","6","7","3","4","2","1") = "6"
    & skf21("2","6","6","7","3","4","3","1") = "6"
    & skf21("2","6","6","7","3","4","4","1") = "6"
    & skf21("2","6","6","7","3","4","5","1") = "6"
    & skf21("2","6","6","7","3","4","6","1") = "6"
    & skf21("2","6","6","7","3","4","7","1") = "6"
    & skf21("2","6","6","7","3","5","1","1") = "6"
    & skf21("2","6","6","7","3","5","2","1") = "6"
    & skf21("2","6","6","7","3","5","3","1") = "6"
    & skf21("2","6","6","7","3","5","4","1") = "6"
    & skf21("2","6","6","7","3","5","5","1") = "6"
    & skf21("2","6","6","7","3","5","6","1") = "6"
    & skf21("2","6","6","7","3","5","7","1") = "6"
    & skf21("2","6","6","7","3","6","1","1") = "6"
    & skf21("2","6","6","7","3","6","2","1") = "6"
    & skf21("2","6","6","7","3","6","3","1") = "6"
    & skf21("2","6","6","7","3","6","4","1") = "6"
    & skf21("2","6","6","7","3","6","5","1") = "6"
    & skf21("2","6","6","7","3","6","6","1") = "6"
    & skf21("2","6","6","7","3","6","7","1") = "6"
    & skf21("2","6","6","7","3","7","1","1") = "6"
    & skf21("2","6","6","7","3","7","2","1") = "6"
    & skf21("2","6","6","7","3","7","3","1") = "6"
    & skf21("2","6","6","7","3","7","4","1") = "6"
    & skf21("2","6","6","7","3","7","5","1") = "6"
    & skf21("2","6","6","7","3","7","6","1") = "6"
    & skf21("2","6","6","7","3","7","7","1") = "6"
    & skf21("2","6","6","7","4","1","1","1") = "6"
    & skf21("2","6","6","7","4","1","2","1") = "6"
    & skf21("2","6","6","7","4","1","3","1") = "6"
    & skf21("2","6","6","7","4","1","4","1") = "6"
    & skf21("2","6","6","7","4","1","5","1") = "6"
    & skf21("2","6","6","7","4","1","6","1") = "6"
    & skf21("2","6","6","7","4","1","7","1") = "6"
    & skf21("2","6","6","7","4","2","1","1") = "6"
    & skf21("2","6","6","7","4","2","2","1") = "6"
    & skf21("2","6","6","7","4","2","3","1") = "6"
    & skf21("2","6","6","7","4","2","4","1") = "6"
    & skf21("2","6","6","7","4","2","5","1") = "6"
    & skf21("2","6","6","7","4","2","6","1") = "6"
    & skf21("2","6","6","7","4","2","7","1") = "6"
    & skf21("2","6","6","7","4","3","1","1") = "6"
    & skf21("2","6","6","7","4","3","2","1") = "6"
    & skf21("2","6","6","7","4","3","3","1") = "6"
    & skf21("2","6","6","7","4","3","4","1") = "6"
    & skf21("2","6","6","7","4","3","5","1") = "6"
    & skf21("2","6","6","7","4","3","6","1") = "6"
    & skf21("2","6","6","7","4","3","7","1") = "6"
    & skf21("2","6","6","7","4","4","1","1") = "6"
    & skf21("2","6","6","7","4","4","2","1") = "6"
    & skf21("2","6","6","7","4","4","3","1") = "6"
    & skf21("2","6","6","7","4","4","4","1") = "6"
    & skf21("2","6","6","7","4","4","5","1") = "6"
    & skf21("2","6","6","7","4","4","6","1") = "6"
    & skf21("2","6","6","7","4","4","7","1") = "6"
    & skf21("2","6","6","7","4","5","1","1") = "6"
    & skf21("2","6","6","7","4","5","2","1") = "6"
    & skf21("2","6","6","7","4","5","3","1") = "6"
    & skf21("2","6","6","7","4","5","4","1") = "6"
    & skf21("2","6","6","7","4","5","5","1") = "6"
    & skf21("2","6","6","7","4","5","6","1") = "6"
    & skf21("2","6","6","7","4","5","7","1") = "6"
    & skf21("2","6","6","7","4","6","1","1") = "6"
    & skf21("2","6","6","7","4","6","2","1") = "6"
    & skf21("2","6","6","7","4","6","3","1") = "6"
    & skf21("2","6","6","7","4","6","4","1") = "6"
    & skf21("2","6","6","7","4","6","5","1") = "6"
    & skf21("2","6","6","7","4","6","6","1") = "6"
    & skf21("2","6","6","7","4","6","7","1") = "6"
    & skf21("2","6","6","7","4","7","1","1") = "6"
    & skf21("2","6","6","7","4","7","2","1") = "6"
    & skf21("2","6","6","7","4","7","3","1") = "6"
    & skf21("2","6","6","7","4","7","4","1") = "6"
    & skf21("2","6","6","7","4","7","5","1") = "6"
    & skf21("2","6","6","7","4","7","6","1") = "6"
    & skf21("2","6","6","7","4","7","7","1") = "6"
    & skf21("2","6","6","7","5","1","1","1") = "6"
    & skf21("2","6","6","7","5","1","2","1") = "6"
    & skf21("2","6","6","7","5","1","3","1") = "6"
    & skf21("2","6","6","7","5","1","4","1") = "6"
    & skf21("2","6","6","7","5","1","5","1") = "6"
    & skf21("2","6","6","7","5","1","6","1") = "6"
    & skf21("2","6","6","7","5","1","7","1") = "6"
    & skf21("2","6","6","7","5","2","1","1") = "6"
    & skf21("2","6","6","7","5","2","2","1") = "6"
    & skf21("2","6","6","7","5","2","3","1") = "6"
    & skf21("2","6","6","7","5","2","4","1") = "6"
    & skf21("2","6","6","7","5","2","5","1") = "6"
    & skf21("2","6","6","7","5","2","6","1") = "6"
    & skf21("2","6","6","7","5","2","7","1") = "6"
    & skf21("2","6","6","7","5","3","1","1") = "6"
    & skf21("2","6","6","7","5","3","2","1") = "6"
    & skf21("2","6","6","7","5","3","3","1") = "6"
    & skf21("2","6","6","7","5","3","4","1") = "6"
    & skf21("2","6","6","7","5","3","5","1") = "6"
    & skf21("2","6","6","7","5","3","6","1") = "6"
    & skf21("2","6","6","7","5","3","7","1") = "6"
    & skf21("2","6","6","7","5","4","1","1") = "6"
    & skf21("2","6","6","7","5","4","2","1") = "6"
    & skf21("2","6","6","7","5","4","3","1") = "6"
    & skf21("2","6","6","7","5","4","4","1") = "6"
    & skf21("2","6","6","7","5","4","5","1") = "6"
    & skf21("2","6","6","7","5","4","6","1") = "6"
    & skf21("2","6","6","7","5","4","7","1") = "6"
    & skf21("2","6","6","7","5","5","1","1") = "6"
    & skf21("2","6","6","7","5","5","2","1") = "6"
    & skf21("2","6","6","7","5","5","3","1") = "6"
    & skf21("2","6","6","7","5","5","4","1") = "6"
    & skf21("2","6","6","7","5","5","5","1") = "6"
    & skf21("2","6","6","7","5","5","6","1") = "6"
    & skf21("2","6","6","7","5","5","7","1") = "6"
    & skf21("2","6","6","7","5","6","1","1") = "6"
    & skf21("2","6","6","7","5","6","2","1") = "6"
    & skf21("2","6","6","7","5","6","3","1") = "6"
    & skf21("2","6","6","7","5","6","4","1") = "6"
    & skf21("2","6","6","7","5","6","5","1") = "6"
    & skf21("2","6","6","7","5","6","6","1") = "6"
    & skf21("2","6","6","7","5","6","7","1") = "6"
    & skf21("2","6","6","7","5","7","1","1") = "6"
    & skf21("2","6","6","7","5","7","2","1") = "6"
    & skf21("2","6","6","7","5","7","3","1") = "6"
    & skf21("2","6","6","7","5","7","4","1") = "6"
    & skf21("2","6","6","7","5","7","5","1") = "6"
    & skf21("2","6","6","7","5","7","6","1") = "6"
    & skf21("2","6","6","7","5","7","7","1") = "6"
    & skf21("2","6","6","7","6","1","1","1") = "6"
    & skf21("2","6","6","7","6","1","2","1") = "6"
    & skf21("2","6","6","7","6","1","3","1") = "6"
    & skf21("2","6","6","7","6","1","4","1") = "6"
    & skf21("2","6","6","7","6","1","5","1") = "6"
    & skf21("2","6","6","7","6","1","6","1") = "6"
    & skf21("2","6","6","7","6","1","7","1") = "6"
    & skf21("2","6","6","7","6","2","1","1") = "6"
    & skf21("2","6","6","7","6","2","2","1") = "6"
    & skf21("2","6","6","7","6","2","3","1") = "6"
    & skf21("2","6","6","7","6","2","4","1") = "6"
    & skf21("2","6","6","7","6","2","5","1") = "6"
    & skf21("2","6","6","7","6","2","6","1") = "6"
    & skf21("2","6","6","7","6","2","7","1") = "6"
    & skf21("2","6","6","7","6","3","1","1") = "6"
    & skf21("2","6","6","7","6","3","2","1") = "6"
    & skf21("2","6","6","7","6","3","3","1") = "6"
    & skf21("2","6","6","7","6","3","4","1") = "6"
    & skf21("2","6","6","7","6","3","5","1") = "6"
    & skf21("2","6","6","7","6","3","6","1") = "6"
    & skf21("2","6","6","7","6","3","7","1") = "6"
    & skf21("2","6","6","7","6","4","1","1") = "6"
    & skf21("2","6","6","7","6","4","2","1") = "6"
    & skf21("2","6","6","7","6","4","3","1") = "6"
    & skf21("2","6","6","7","6","4","4","1") = "6"
    & skf21("2","6","6","7","6","4","5","1") = "6"
    & skf21("2","6","6","7","6","4","6","1") = "6"
    & skf21("2","6","6","7","6","4","7","1") = "6"
    & skf21("2","6","6","7","6","5","1","1") = "6"
    & skf21("2","6","6","7","6","5","2","1") = "6"
    & skf21("2","6","6","7","6","5","3","1") = "6"
    & skf21("2","6","6","7","6","5","4","1") = "6"
    & skf21("2","6","6","7","6","5","5","1") = "6"
    & skf21("2","6","6","7","6","5","6","1") = "6"
    & skf21("2","6","6","7","6","5","7","1") = "6"
    & skf21("2","6","6","7","6","6","1","1") = "6"
    & skf21("2","6","6","7","6","6","2","1") = "6"
    & skf21("2","6","6","7","6","6","3","1") = "6"
    & skf21("2","6","6","7","6","6","4","1") = "6"
    & skf21("2","6","6","7","6","6","5","1") = "6"
    & skf21("2","6","6","7","6","6","6","1") = "6"
    & skf21("2","6","6","7","6","6","7","1") = "6"
    & skf21("2","6","6","7","6","7","1","1") = "6"
    & skf21("2","6","6","7","6","7","2","1") = "6"
    & skf21("2","6","6","7","6","7","3","1") = "6"
    & skf21("2","6","6","7","6","7","4","1") = "6"
    & skf21("2","6","6","7","6","7","5","1") = "6"
    & skf21("2","6","6","7","6","7","6","1") = "6"
    & skf21("2","6","6","7","6","7","7","1") = "6"
    & skf21("2","6","6","7","7","1","1","1") = "6"
    & skf21("2","6","6","7","7","1","2","1") = "6"
    & skf21("2","6","6","7","7","1","3","1") = "6"
    & skf21("2","6","6","7","7","1","4","1") = "6"
    & skf21("2","6","6","7","7","1","5","1") = "6"
    & skf21("2","6","6","7","7","1","6","1") = "6"
    & skf21("2","6","6","7","7","1","7","1") = "6"
    & skf21("2","6","6","7","7","2","1","1") = "6"
    & skf21("2","6","6","7","7","2","2","1") = "6"
    & skf21("2","6","6","7","7","2","3","1") = "6"
    & skf21("2","6","6","7","7","2","4","1") = "6"
    & skf21("2","6","6","7","7","2","5","1") = "6"
    & skf21("2","6","6","7","7","2","6","1") = "6"
    & skf21("2","6","6","7","7","2","7","1") = "6"
    & skf21("2","6","6","7","7","3","1","1") = "6"
    & skf21("2","6","6","7","7","3","2","1") = "6"
    & skf21("2","6","6","7","7","3","3","1") = "6"
    & skf21("2","6","6","7","7","3","4","1") = "6"
    & skf21("2","6","6","7","7","3","5","1") = "6"
    & skf21("2","6","6","7","7","3","6","1") = "6"
    & skf21("2","6","6","7","7","3","7","1") = "6"
    & skf21("2","6","6","7","7","4","1","1") = "6"
    & skf21("2","6","6","7","7","4","2","1") = "6"
    & skf21("2","6","6","7","7","4","3","1") = "6"
    & skf21("2","6","6","7","7","4","4","1") = "6"
    & skf21("2","6","6","7","7","4","5","1") = "6"
    & skf21("2","6","6","7","7","4","6","1") = "6"
    & skf21("2","6","6","7","7","4","7","1") = "6"
    & skf21("2","6","6","7","7","5","1","1") = "6"
    & skf21("2","6","6","7","7","5","2","1") = "6"
    & skf21("2","6","6","7","7","5","3","1") = "6"
    & skf21("2","6","6","7","7","5","4","1") = "6"
    & skf21("2","6","6","7","7","5","5","1") = "6"
    & skf21("2","6","6","7","7","5","6","1") = "6"
    & skf21("2","6","6","7","7","5","7","1") = "6"
    & skf21("2","6","6","7","7","6","1","1") = "6"
    & skf21("2","6","6","7","7","6","2","1") = "6"
    & skf21("2","6","6","7","7","6","3","1") = "6"
    & skf21("2","6","6","7","7","6","4","1") = "6"
    & skf21("2","6","6","7","7","6","5","1") = "6"
    & skf21("2","6","6","7","7","6","6","1") = "6"
    & skf21("2","6","6","7","7","6","7","1") = "6"
    & skf21("2","6","6","7","7","7","1","1") = "6"
    & skf21("2","6","6","7","7","7","2","1") = "6"
    & skf21("2","6","6","7","7","7","3","1") = "6"
    & skf21("2","6","6","7","7","7","4","1") = "6"
    & skf21("2","6","6","7","7","7","5","1") = "6"
    & skf21("2","6","6","7","7","7","6","1") = "6"
    & skf21("2","6","6","7","7","7","7","1") = "6"
    & skf21("2","6","7","1","1","1","1","1") = "6"
    & skf21("2","6","7","1","1","1","2","1") = "6"
    & skf21("2","6","7","1","1","1","3","1") = "6"
    & skf21("2","6","7","1","1","1","4","1") = "6"
    & skf21("2","6","7","1","1","1","5","1") = "6"
    & skf21("2","6","7","1","1","1","6","1") = "6"
    & skf21("2","6","7","1","1","1","7","1") = "6"
    & skf21("2","6","7","1","1","2","1","1") = "6"
    & skf21("2","6","7","1","1","2","2","1") = "6"
    & skf21("2","6","7","1","1","2","3","1") = "6"
    & skf21("2","6","7","1","1","2","4","1") = "6"
    & skf21("2","6","7","1","1","2","5","1") = "6"
    & skf21("2","6","7","1","1","2","6","1") = "6"
    & skf21("2","6","7","1","1","2","7","1") = "6"
    & skf21("2","6","7","1","1","3","1","1") = "6"
    & skf21("2","6","7","1","1","3","2","1") = "6"
    & skf21("2","6","7","1","1","3","3","1") = "6"
    & skf21("2","6","7","1","1","3","4","1") = "6"
    & skf21("2","6","7","1","1","3","5","1") = "6"
    & skf21("2","6","7","1","1","3","6","1") = "6"
    & skf21("2","6","7","1","1","3","7","1") = "6"
    & skf21("2","6","7","1","1","4","1","1") = "6"
    & skf21("2","6","7","1","1","4","2","1") = "6"
    & skf21("2","6","7","1","1","4","3","1") = "6"
    & skf21("2","6","7","1","1","4","4","1") = "6"
    & skf21("2","6","7","1","1","4","5","1") = "6"
    & skf21("2","6","7","1","1","4","6","1") = "6"
    & skf21("2","6","7","1","1","4","7","1") = "6"
    & skf21("2","6","7","1","1","5","1","1") = "6"
    & skf21("2","6","7","1","1","5","2","1") = "6"
    & skf21("2","6","7","1","1","5","3","1") = "6"
    & skf21("2","6","7","1","1","5","4","1") = "6"
    & skf21("2","6","7","1","1","5","5","1") = "6"
    & skf21("2","6","7","1","1","5","6","1") = "6"
    & skf21("2","6","7","1","1","5","7","1") = "6"
    & skf21("2","6","7","1","1","6","1","1") = "6"
    & skf21("2","6","7","1","1","6","2","1") = "6"
    & skf21("2","6","7","1","1","6","3","1") = "6"
    & skf21("2","6","7","1","1","6","4","1") = "6"
    & skf21("2","6","7","1","1","6","5","1") = "6"
    & skf21("2","6","7","1","1","6","6","1") = "6"
    & skf21("2","6","7","1","1","6","7","1") = "6"
    & skf21("2","6","7","1","1","7","1","1") = "6"
    & skf21("2","6","7","1","1","7","2","1") = "6"
    & skf21("2","6","7","1","1","7","3","1") = "6"
    & skf21("2","6","7","1","1","7","4","1") = "6"
    & skf21("2","6","7","1","1","7","5","1") = "6"
    & skf21("2","6","7","1","1","7","6","1") = "6"
    & skf21("2","6","7","1","1","7","7","1") = "6"
    & skf21("2","6","7","1","2","1","1","1") = "6"
    & skf21("2","6","7","1","2","1","2","1") = "6"
    & skf21("2","6","7","1","2","1","3","1") = "6"
    & skf21("2","6","7","1","2","1","4","1") = "6"
    & skf21("2","6","7","1","2","1","5","1") = "6"
    & skf21("2","6","7","1","2","1","6","1") = "6"
    & skf21("2","6","7","1","2","1","7","1") = "6"
    & skf21("2","6","7","1","2","2","1","1") = "6"
    & skf21("2","6","7","1","2","2","2","1") = "6"
    & skf21("2","6","7","1","2","2","3","1") = "6"
    & skf21("2","6","7","1","2","2","4","1") = "6"
    & skf21("2","6","7","1","2","2","5","1") = "6"
    & skf21("2","6","7","1","2","2","6","1") = "6"
    & skf21("2","6","7","1","2","2","7","1") = "6"
    & skf21("2","6","7","1","2","3","1","1") = "6"
    & skf21("2","6","7","1","2","3","2","1") = "6"
    & skf21("2","6","7","1","2","3","3","1") = "6"
    & skf21("2","6","7","1","2","3","4","1") = "6"
    & skf21("2","6","7","1","2","3","5","1") = "6"
    & skf21("2","6","7","1","2","3","6","1") = "6"
    & skf21("2","6","7","1","2","3","7","1") = "6"
    & skf21("2","6","7","1","2","4","1","1") = "6"
    & skf21("2","6","7","1","2","4","2","1") = "6"
    & skf21("2","6","7","1","2","4","3","1") = "6"
    & skf21("2","6","7","1","2","4","4","1") = "6"
    & skf21("2","6","7","1","2","4","5","1") = "6"
    & skf21("2","6","7","1","2","4","6","1") = "6"
    & skf21("2","6","7","1","2","4","7","1") = "6"
    & skf21("2","6","7","1","2","5","1","1") = "6"
    & skf21("2","6","7","1","2","5","2","1") = "6"
    & skf21("2","6","7","1","2","5","3","1") = "6"
    & skf21("2","6","7","1","2","5","4","1") = "6"
    & skf21("2","6","7","1","2","5","5","1") = "6"
    & skf21("2","6","7","1","2","5","6","1") = "6"
    & skf21("2","6","7","1","2","5","7","1") = "6"
    & skf21("2","6","7","1","2","6","1","1") = "6"
    & skf21("2","6","7","1","2","6","2","1") = "6"
    & skf21("2","6","7","1","2","6","3","1") = "6"
    & skf21("2","6","7","1","2","6","4","1") = "6"
    & skf21("2","6","7","1","2","6","5","1") = "6"
    & skf21("2","6","7","1","2","6","6","1") = "6"
    & skf21("2","6","7","1","2","6","7","1") = "6"
    & skf21("2","6","7","1","2","7","1","1") = "6"
    & skf21("2","6","7","1","2","7","2","1") = "6"
    & skf21("2","6","7","1","2","7","3","1") = "6"
    & skf21("2","6","7","1","2","7","4","1") = "6"
    & skf21("2","6","7","1","2","7","5","1") = "6"
    & skf21("2","6","7","1","2","7","6","1") = "6"
    & skf21("2","6","7","1","2","7","7","1") = "6"
    & skf21("2","6","7","1","3","1","1","1") = "6"
    & skf21("2","6","7","1","3","1","2","1") = "6"
    & skf21("2","6","7","1","3","1","3","1") = "6"
    & skf21("2","6","7","1","3","1","4","1") = "6"
    & skf21("2","6","7","1","3","1","5","1") = "6"
    & skf21("2","6","7","1","3","1","6","1") = "6"
    & skf21("2","6","7","1","3","1","7","1") = "6"
    & skf21("2","6","7","1","3","2","1","1") = "6"
    & skf21("2","6","7","1","3","2","2","1") = "6"
    & skf21("2","6","7","1","3","2","3","1") = "6"
    & skf21("2","6","7","1","3","2","4","1") = "6"
    & skf21("2","6","7","1","3","2","5","1") = "6"
    & skf21("2","6","7","1","3","2","6","1") = "6"
    & skf21("2","6","7","1","3","2","7","1") = "6"
    & skf21("2","6","7","1","3","3","1","1") = "6"
    & skf21("2","6","7","1","3","3","2","1") = "6"
    & skf21("2","6","7","1","3","3","3","1") = "6"
    & skf21("2","6","7","1","3","3","4","1") = "6"
    & skf21("2","6","7","1","3","3","5","1") = "6"
    & skf21("2","6","7","1","3","3","6","1") = "6"
    & skf21("2","6","7","1","3","3","7","1") = "6"
    & skf21("2","6","7","1","3","4","1","1") = "6"
    & skf21("2","6","7","1","3","4","2","1") = "6"
    & skf21("2","6","7","1","3","4","3","1") = "6"
    & skf21("2","6","7","1","3","4","4","1") = "6"
    & skf21("2","6","7","1","3","4","5","1") = "6"
    & skf21("2","6","7","1","3","4","6","1") = "6"
    & skf21("2","6","7","1","3","4","7","1") = "6"
    & skf21("2","6","7","1","3","5","1","1") = "6"
    & skf21("2","6","7","1","3","5","2","1") = "6"
    & skf21("2","6","7","1","3","5","3","1") = "6"
    & skf21("2","6","7","1","3","5","4","1") = "6"
    & skf21("2","6","7","1","3","5","5","1") = "6"
    & skf21("2","6","7","1","3","5","6","1") = "6"
    & skf21("2","6","7","1","3","5","7","1") = "6"
    & skf21("2","6","7","1","3","6","1","1") = "6"
    & skf21("2","6","7","1","3","6","2","1") = "6"
    & skf21("2","6","7","1","3","6","3","1") = "6"
    & skf21("2","6","7","1","3","6","4","1") = "6"
    & skf21("2","6","7","1","3","6","5","1") = "6"
    & skf21("2","6","7","1","3","6","6","1") = "6"
    & skf21("2","6","7","1","3","6","7","1") = "6"
    & skf21("2","6","7","1","3","7","1","1") = "6"
    & skf21("2","6","7","1","3","7","2","1") = "6"
    & skf21("2","6","7","1","3","7","3","1") = "6"
    & skf21("2","6","7","1","3","7","4","1") = "6"
    & skf21("2","6","7","1","3","7","5","1") = "6"
    & skf21("2","6","7","1","3","7","6","1") = "6"
    & skf21("2","6","7","1","3","7","7","1") = "6"
    & skf21("2","6","7","1","4","1","1","1") = "6"
    & skf21("2","6","7","1","4","1","2","1") = "6"
    & skf21("2","6","7","1","4","1","3","1") = "6"
    & skf21("2","6","7","1","4","1","4","1") = "6"
    & skf21("2","6","7","1","4","1","5","1") = "6"
    & skf21("2","6","7","1","4","1","6","1") = "6"
    & skf21("2","6","7","1","4","1","7","1") = "6"
    & skf21("2","6","7","1","4","2","1","1") = "6"
    & skf21("2","6","7","1","4","2","2","1") = "6"
    & skf21("2","6","7","1","4","2","3","1") = "6"
    & skf21("2","6","7","1","4","2","4","1") = "6"
    & skf21("2","6","7","1","4","2","5","1") = "6"
    & skf21("2","6","7","1","4","2","6","1") = "6"
    & skf21("2","6","7","1","4","2","7","1") = "6"
    & skf21("2","6","7","1","4","3","1","1") = "6"
    & skf21("2","6","7","1","4","3","2","1") = "6"
    & skf21("2","6","7","1","4","3","3","1") = "6"
    & skf21("2","6","7","1","4","3","4","1") = "6"
    & skf21("2","6","7","1","4","3","5","1") = "6"
    & skf21("2","6","7","1","4","3","6","1") = "6"
    & skf21("2","6","7","1","4","3","7","1") = "6"
    & skf21("2","6","7","1","4","4","1","1") = "6"
    & skf21("2","6","7","1","4","4","2","1") = "6"
    & skf21("2","6","7","1","4","4","3","1") = "6"
    & skf21("2","6","7","1","4","4","4","1") = "6"
    & skf21("2","6","7","1","4","4","5","1") = "6"
    & skf21("2","6","7","1","4","4","6","1") = "6"
    & skf21("2","6","7","1","4","4","7","1") = "6"
    & skf21("2","6","7","1","4","5","1","1") = "6"
    & skf21("2","6","7","1","4","5","2","1") = "6"
    & skf21("2","6","7","1","4","5","3","1") = "6"
    & skf21("2","6","7","1","4","5","4","1") = "6"
    & skf21("2","6","7","1","4","5","5","1") = "6"
    & skf21("2","6","7","1","4","5","6","1") = "6"
    & skf21("2","6","7","1","4","5","7","1") = "6"
    & skf21("2","6","7","1","4","6","1","1") = "6"
    & skf21("2","6","7","1","4","6","2","1") = "6"
    & skf21("2","6","7","1","4","6","3","1") = "6"
    & skf21("2","6","7","1","4","6","4","1") = "6"
    & skf21("2","6","7","1","4","6","5","1") = "6"
    & skf21("2","6","7","1","4","6","6","1") = "6"
    & skf21("2","6","7","1","4","6","7","1") = "6"
    & skf21("2","6","7","1","4","7","1","1") = "6"
    & skf21("2","6","7","1","4","7","2","1") = "6"
    & skf21("2","6","7","1","4","7","3","1") = "6"
    & skf21("2","6","7","1","4","7","4","1") = "6"
    & skf21("2","6","7","1","4","7","5","1") = "6"
    & skf21("2","6","7","1","4","7","6","1") = "6"
    & skf21("2","6","7","1","4","7","7","1") = "6"
    & skf21("2","6","7","1","5","1","1","1") = "6"
    & skf21("2","6","7","1","5","1","2","1") = "6"
    & skf21("2","6","7","1","5","1","3","1") = "6"
    & skf21("2","6","7","1","5","1","4","1") = "6"
    & skf21("2","6","7","1","5","1","5","1") = "6"
    & skf21("2","6","7","1","5","1","6","1") = "6"
    & skf21("2","6","7","1","5","1","7","1") = "6"
    & skf21("2","6","7","1","5","2","1","1") = "6"
    & skf21("2","6","7","1","5","2","2","1") = "6"
    & skf21("2","6","7","1","5","2","3","1") = "6"
    & skf21("2","6","7","1","5","2","4","1") = "6"
    & skf21("2","6","7","1","5","2","5","1") = "6"
    & skf21("2","6","7","1","5","2","6","1") = "6"
    & skf21("2","6","7","1","5","2","7","1") = "6"
    & skf21("2","6","7","1","5","3","1","1") = "6"
    & skf21("2","6","7","1","5","3","2","1") = "6"
    & skf21("2","6","7","1","5","3","3","1") = "6"
    & skf21("2","6","7","1","5","3","4","1") = "6"
    & skf21("2","6","7","1","5","3","5","1") = "6"
    & skf21("2","6","7","1","5","3","6","1") = "6"
    & skf21("2","6","7","1","5","3","7","1") = "6"
    & skf21("2","6","7","1","5","4","1","1") = "6"
    & skf21("2","6","7","1","5","4","2","1") = "6"
    & skf21("2","6","7","1","5","4","3","1") = "6"
    & skf21("2","6","7","1","5","4","4","1") = "6"
    & skf21("2","6","7","1","5","4","5","1") = "6"
    & skf21("2","6","7","1","5","4","6","1") = "6"
    & skf21("2","6","7","1","5","4","7","1") = "6"
    & skf21("2","6","7","1","5","5","1","1") = "6"
    & skf21("2","6","7","1","5","5","2","1") = "6"
    & skf21("2","6","7","1","5","5","3","1") = "6"
    & skf21("2","6","7","1","5","5","4","1") = "6"
    & skf21("2","6","7","1","5","5","5","1") = "6"
    & skf21("2","6","7","1","5","5","6","1") = "6"
    & skf21("2","6","7","1","5","5","7","1") = "6"
    & skf21("2","6","7","1","5","6","1","1") = "6"
    & skf21("2","6","7","1","5","6","2","1") = "6"
    & skf21("2","6","7","1","5","6","3","1") = "6"
    & skf21("2","6","7","1","5","6","4","1") = "6"
    & skf21("2","6","7","1","5","6","5","1") = "6"
    & skf21("2","6","7","1","5","6","6","1") = "6"
    & skf21("2","6","7","1","5","6","7","1") = "6"
    & skf21("2","6","7","1","5","7","1","1") = "6"
    & skf21("2","6","7","1","5","7","2","1") = "6"
    & skf21("2","6","7","1","5","7","3","1") = "6"
    & skf21("2","6","7","1","5","7","4","1") = "6"
    & skf21("2","6","7","1","5","7","5","1") = "6"
    & skf21("2","6","7","1","5","7","6","1") = "6"
    & skf21("2","6","7","1","5","7","7","1") = "6"
    & skf21("2","6","7","1","6","1","1","1") = "6"
    & skf21("2","6","7","1","6","1","2","1") = "6"
    & skf21("2","6","7","1","6","1","3","1") = "6"
    & skf21("2","6","7","1","6","1","4","1") = "6"
    & skf21("2","6","7","1","6","1","5","1") = "6"
    & skf21("2","6","7","1","6","1","6","1") = "6"
    & skf21("2","6","7","1","6","1","7","1") = "6"
    & skf21("2","6","7","1","6","2","1","1") = "6"
    & skf21("2","6","7","1","6","2","2","1") = "6"
    & skf21("2","6","7","1","6","2","3","1") = "6"
    & skf21("2","6","7","1","6","2","4","1") = "6"
    & skf21("2","6","7","1","6","2","5","1") = "6"
    & skf21("2","6","7","1","6","2","6","1") = "6"
    & skf21("2","6","7","1","6","2","7","1") = "6"
    & skf21("2","6","7","1","6","3","1","1") = "6"
    & skf21("2","6","7","1","6","3","2","1") = "6"
    & skf21("2","6","7","1","6","3","3","1") = "6"
    & skf21("2","6","7","1","6","3","4","1") = "6"
    & skf21("2","6","7","1","6","3","5","1") = "6"
    & skf21("2","6","7","1","6","3","6","1") = "6"
    & skf21("2","6","7","1","6","3","7","1") = "6"
    & skf21("2","6","7","1","6","4","1","1") = "6"
    & skf21("2","6","7","1","6","4","2","1") = "6"
    & skf21("2","6","7","1","6","4","3","1") = "6"
    & skf21("2","6","7","1","6","4","4","1") = "6"
    & skf21("2","6","7","1","6","4","5","1") = "6"
    & skf21("2","6","7","1","6","4","6","1") = "6"
    & skf21("2","6","7","1","6","4","7","1") = "6"
    & skf21("2","6","7","1","6","5","1","1") = "6"
    & skf21("2","6","7","1","6","5","2","1") = "6"
    & skf21("2","6","7","1","6","5","3","1") = "6"
    & skf21("2","6","7","1","6","5","4","1") = "6"
    & skf21("2","6","7","1","6","5","5","1") = "6"
    & skf21("2","6","7","1","6","5","6","1") = "6"
    & skf21("2","6","7","1","6","5","7","1") = "6"
    & skf21("2","6","7","1","6","6","1","1") = "6"
    & skf21("2","6","7","1","6","6","2","1") = "6"
    & skf21("2","6","7","1","6","6","3","1") = "6"
    & skf21("2","6","7","1","6","6","4","1") = "6"
    & skf21("2","6","7","1","6","6","5","1") = "6"
    & skf21("2","6","7","1","6","6","6","1") = "6"
    & skf21("2","6","7","1","6","6","7","1") = "6"
    & skf21("2","6","7","1","6","7","1","1") = "6"
    & skf21("2","6","7","1","6","7","2","1") = "6"
    & skf21("2","6","7","1","6","7","3","1") = "6"
    & skf21("2","6","7","1","6","7","4","1") = "6"
    & skf21("2","6","7","1","6","7","5","1") = "6"
    & skf21("2","6","7","1","6","7","6","1") = "6"
    & skf21("2","6","7","1","6","7","7","1") = "6"
    & skf21("2","6","7","1","7","1","1","1") = "6"
    & skf21("2","6","7","1","7","1","2","1") = "6"
    & skf21("2","6","7","1","7","1","3","1") = "6"
    & skf21("2","6","7","1","7","1","4","1") = "6"
    & skf21("2","6","7","1","7","1","5","1") = "6"
    & skf21("2","6","7","1","7","1","6","1") = "6"
    & skf21("2","6","7","1","7","1","7","1") = "6"
    & skf21("2","6","7","1","7","2","1","1") = "6"
    & skf21("2","6","7","1","7","2","2","1") = "6"
    & skf21("2","6","7","1","7","2","3","1") = "6"
    & skf21("2","6","7","1","7","2","4","1") = "6"
    & skf21("2","6","7","1","7","2","5","1") = "6"
    & skf21("2","6","7","1","7","2","6","1") = "6"
    & skf21("2","6","7","1","7","2","7","1") = "6"
    & skf21("2","6","7","1","7","3","1","1") = "6"
    & skf21("2","6","7","1","7","3","2","1") = "6"
    & skf21("2","6","7","1","7","3","3","1") = "6"
    & skf21("2","6","7","1","7","3","4","1") = "6"
    & skf21("2","6","7","1","7","3","5","1") = "6"
    & skf21("2","6","7","1","7","3","6","1") = "6"
    & skf21("2","6","7","1","7","3","7","1") = "6"
    & skf21("2","6","7","1","7","4","1","1") = "6"
    & skf21("2","6","7","1","7","4","2","1") = "6"
    & skf21("2","6","7","1","7","4","3","1") = "6"
    & skf21("2","6","7","1","7","4","4","1") = "6"
    & skf21("2","6","7","1","7","4","5","1") = "6"
    & skf21("2","6","7","1","7","4","6","1") = "6"
    & skf21("2","6","7","1","7","4","7","1") = "6"
    & skf21("2","6","7","1","7","5","1","1") = "6"
    & skf21("2","6","7","1","7","5","2","1") = "6"
    & skf21("2","6","7","1","7","5","3","1") = "6"
    & skf21("2","6","7","1","7","5","4","1") = "6"
    & skf21("2","6","7","1","7","5","5","1") = "6"
    & skf21("2","6","7","1","7","5","6","1") = "6"
    & skf21("2","6","7","1","7","5","7","1") = "6"
    & skf21("2","6","7","1","7","6","1","1") = "6"
    & skf21("2","6","7","1","7","6","2","1") = "6"
    & skf21("2","6","7","1","7","6","3","1") = "6"
    & skf21("2","6","7","1","7","6","4","1") = "6"
    & skf21("2","6","7","1","7","6","5","1") = "6"
    & skf21("2","6","7","1","7","6","6","1") = "6"
    & skf21("2","6","7","1","7","6","7","1") = "6"
    & skf21("2","6","7","1","7","7","1","1") = "6"
    & skf21("2","6","7","1","7","7","2","1") = "6"
    & skf21("2","6","7","1","7","7","3","1") = "6"
    & skf21("2","6","7","1","7","7","4","1") = "6"
    & skf21("2","6","7","1","7","7","5","1") = "6"
    & skf21("2","6","7","1","7","7","6","1") = "6"
    & skf21("2","6","7","1","7","7","7","1") = "6"
    & skf21("2","6","7","2","1","1","1","1") = "6"
    & skf21("2","6","7","2","1","1","2","1") = "6"
    & skf21("2","6","7","2","1","1","3","1") = "6"
    & skf21("2","6","7","2","1","1","4","1") = "6"
    & skf21("2","6","7","2","1","1","5","1") = "6"
    & skf21("2","6","7","2","1","1","6","1") = "6"
    & skf21("2","6","7","2","1","1","7","1") = "6"
    & skf21("2","6","7","2","1","2","1","1") = "6"
    & skf21("2","6","7","2","1","2","2","1") = "6"
    & skf21("2","6","7","2","1","2","3","1") = "6"
    & skf21("2","6","7","2","1","2","4","1") = "6"
    & skf21("2","6","7","2","1","2","5","1") = "6"
    & skf21("2","6","7","2","1","2","6","1") = "6"
    & skf21("2","6","7","2","1","2","7","1") = "6"
    & skf21("2","6","7","2","1","3","1","1") = "6"
    & skf21("2","6","7","2","1","3","2","1") = "6"
    & skf21("2","6","7","2","1","3","3","1") = "6"
    & skf21("2","6","7","2","1","3","4","1") = "6"
    & skf21("2","6","7","2","1","3","5","1") = "6"
    & skf21("2","6","7","2","1","3","6","1") = "6"
    & skf21("2","6","7","2","1","3","7","1") = "6"
    & skf21("2","6","7","2","1","4","1","1") = "6"
    & skf21("2","6","7","2","1","4","2","1") = "6"
    & skf21("2","6","7","2","1","4","3","1") = "6"
    & skf21("2","6","7","2","1","4","4","1") = "6"
    & skf21("2","6","7","2","1","4","5","1") = "6"
    & skf21("2","6","7","2","1","4","6","1") = "6"
    & skf21("2","6","7","2","1","4","7","1") = "6"
    & skf21("2","6","7","2","1","5","1","1") = "6"
    & skf21("2","6","7","2","1","5","2","1") = "6"
    & skf21("2","6","7","2","1","5","3","1") = "6"
    & skf21("2","6","7","2","1","5","4","1") = "6"
    & skf21("2","6","7","2","1","5","5","1") = "6"
    & skf21("2","6","7","2","1","5","6","1") = "6"
    & skf21("2","6","7","2","1","5","7","1") = "6"
    & skf21("2","6","7","2","1","6","1","1") = "6"
    & skf21("2","6","7","2","1","6","2","1") = "6"
    & skf21("2","6","7","2","1","6","3","1") = "6"
    & skf21("2","6","7","2","1","6","4","1") = "6"
    & skf21("2","6","7","2","1","6","5","1") = "6"
    & skf21("2","6","7","2","1","6","6","1") = "6"
    & skf21("2","6","7","2","1","6","7","1") = "6"
    & skf21("2","6","7","2","1","7","1","1") = "6"
    & skf21("2","6","7","2","1","7","2","1") = "6"
    & skf21("2","6","7","2","1","7","3","1") = "6"
    & skf21("2","6","7","2","1","7","4","1") = "6"
    & skf21("2","6","7","2","1","7","5","1") = "6"
    & skf21("2","6","7","2","1","7","6","1") = "6"
    & skf21("2","6","7","2","1","7","7","1") = "6"
    & skf21("2","6","7","2","2","1","1","1") = "6"
    & skf21("2","6","7","2","2","1","2","1") = "6"
    & skf21("2","6","7","2","2","1","3","1") = "6"
    & skf21("2","6","7","2","2","1","4","1") = "6"
    & skf21("2","6","7","2","2","1","5","1") = "6"
    & skf21("2","6","7","2","2","1","6","1") = "6"
    & skf21("2","6","7","2","2","1","7","1") = "6"
    & skf21("2","6","7","2","2","2","1","1") = "6"
    & skf21("2","6","7","2","2","2","2","1") = "6"
    & skf21("2","6","7","2","2","2","3","1") = "6"
    & skf21("2","6","7","2","2","2","4","1") = "6"
    & skf21("2","6","7","2","2","2","5","1") = "6"
    & skf21("2","6","7","2","2","2","6","1") = "6"
    & skf21("2","6","7","2","2","2","7","1") = "6"
    & skf21("2","6","7","2","2","3","1","1") = "6"
    & skf21("2","6","7","2","2","3","2","1") = "6"
    & skf21("2","6","7","2","2","3","3","1") = "6"
    & skf21("2","6","7","2","2","3","4","1") = "6"
    & skf21("2","6","7","2","2","3","5","1") = "6"
    & skf21("2","6","7","2","2","3","6","1") = "6"
    & skf21("2","6","7","2","2","3","7","1") = "6"
    & skf21("2","6","7","2","2","4","1","1") = "6"
    & skf21("2","6","7","2","2","4","2","1") = "6"
    & skf21("2","6","7","2","2","4","3","1") = "6"
    & skf21("2","6","7","2","2","4","4","1") = "6"
    & skf21("2","6","7","2","2","4","5","1") = "6"
    & skf21("2","6","7","2","2","4","6","1") = "6"
    & skf21("2","6","7","2","2","4","7","1") = "6"
    & skf21("2","6","7","2","2","5","1","1") = "6"
    & skf21("2","6","7","2","2","5","2","1") = "6"
    & skf21("2","6","7","2","2","5","3","1") = "6"
    & skf21("2","6","7","2","2","5","4","1") = "6"
    & skf21("2","6","7","2","2","5","5","1") = "6"
    & skf21("2","6","7","2","2","5","6","1") = "6"
    & skf21("2","6","7","2","2","5","7","1") = "6"
    & skf21("2","6","7","2","2","6","1","1") = "6"
    & skf21("2","6","7","2","2","6","2","1") = "6"
    & skf21("2","6","7","2","2","6","3","1") = "6"
    & skf21("2","6","7","2","2","6","4","1") = "6"
    & skf21("2","6","7","2","2","6","5","1") = "6"
    & skf21("2","6","7","2","2","6","6","1") = "6"
    & skf21("2","6","7","2","2","6","7","1") = "6"
    & skf21("2","6","7","2","2","7","1","1") = "6"
    & skf21("2","6","7","2","2","7","2","1") = "6"
    & skf21("2","6","7","2","2","7","3","1") = "6"
    & skf21("2","6","7","2","2","7","4","1") = "6"
    & skf21("2","6","7","2","2","7","5","1") = "6"
    & skf21("2","6","7","2","2","7","6","1") = "6"
    & skf21("2","6","7","2","2","7","7","1") = "6"
    & skf21("2","6","7","2","3","1","1","1") = "6"
    & skf21("2","6","7","2","3","1","2","1") = "6"
    & skf21("2","6","7","2","3","1","3","1") = "6"
    & skf21("2","6","7","2","3","1","4","1") = "6"
    & skf21("2","6","7","2","3","1","5","1") = "6"
    & skf21("2","6","7","2","3","1","6","1") = "6"
    & skf21("2","6","7","2","3","1","7","1") = "6"
    & skf21("2","6","7","2","3","2","1","1") = "6"
    & skf21("2","6","7","2","3","2","2","1") = "6"
    & skf21("2","6","7","2","3","2","3","1") = "6"
    & skf21("2","6","7","2","3","2","4","1") = "6"
    & skf21("2","6","7","2","3","2","5","1") = "6"
    & skf21("2","6","7","2","3","2","6","1") = "6"
    & skf21("2","6","7","2","3","2","7","1") = "6"
    & skf21("2","6","7","2","3","3","1","1") = "6"
    & skf21("2","6","7","2","3","3","2","1") = "6"
    & skf21("2","6","7","2","3","3","3","1") = "6"
    & skf21("2","6","7","2","3","3","4","1") = "6"
    & skf21("2","6","7","2","3","3","5","1") = "6"
    & skf21("2","6","7","2","3","3","6","1") = "6"
    & skf21("2","6","7","2","3","3","7","1") = "6"
    & skf21("2","6","7","2","3","4","1","1") = "6"
    & skf21("2","6","7","2","3","4","2","1") = "6"
    & skf21("2","6","7","2","3","4","3","1") = "6"
    & skf21("2","6","7","2","3","4","4","1") = "6"
    & skf21("2","6","7","2","3","4","5","1") = "6"
    & skf21("2","6","7","2","3","4","6","1") = "6"
    & skf21("2","6","7","2","3","4","7","1") = "6"
    & skf21("2","6","7","2","3","5","1","1") = "6"
    & skf21("2","6","7","2","3","5","2","1") = "6"
    & skf21("2","6","7","2","3","5","3","1") = "6"
    & skf21("2","6","7","2","3","5","4","1") = "6"
    & skf21("2","6","7","2","3","5","5","1") = "6"
    & skf21("2","6","7","2","3","5","6","1") = "6"
    & skf21("2","6","7","2","3","5","7","1") = "6"
    & skf21("2","6","7","2","3","6","1","1") = "6"
    & skf21("2","6","7","2","3","6","2","1") = "6"
    & skf21("2","6","7","2","3","6","3","1") = "6"
    & skf21("2","6","7","2","3","6","4","1") = "6"
    & skf21("2","6","7","2","3","6","5","1") = "6"
    & skf21("2","6","7","2","3","6","6","1") = "6"
    & skf21("2","6","7","2","3","6","7","1") = "6"
    & skf21("2","6","7","2","3","7","1","1") = "6"
    & skf21("2","6","7","2","3","7","2","1") = "6"
    & skf21("2","6","7","2","3","7","3","1") = "6"
    & skf21("2","6","7","2","3","7","4","1") = "6"
    & skf21("2","6","7","2","3","7","5","1") = "6"
    & skf21("2","6","7","2","3","7","6","1") = "6"
    & skf21("2","6","7","2","3","7","7","1") = "6"
    & skf21("2","6","7","2","4","1","1","1") = "6"
    & skf21("2","6","7","2","4","1","2","1") = "6"
    & skf21("2","6","7","2","4","1","3","1") = "6"
    & skf21("2","6","7","2","4","1","4","1") = "6"
    & skf21("2","6","7","2","4","1","5","1") = "6"
    & skf21("2","6","7","2","4","1","6","1") = "6"
    & skf21("2","6","7","2","4","1","7","1") = "6"
    & skf21("2","6","7","2","4","2","1","1") = "6"
    & skf21("2","6","7","2","4","2","2","1") = "6"
    & skf21("2","6","7","2","4","2","3","1") = "6"
    & skf21("2","6","7","2","4","2","4","1") = "6"
    & skf21("2","6","7","2","4","2","5","1") = "6"
    & skf21("2","6","7","2","4","2","6","1") = "6"
    & skf21("2","6","7","2","4","2","7","1") = "6"
    & skf21("2","6","7","2","4","3","1","1") = "6"
    & skf21("2","6","7","2","4","3","2","1") = "6"
    & skf21("2","6","7","2","4","3","3","1") = "6"
    & skf21("2","6","7","2","4","3","4","1") = "6"
    & skf21("2","6","7","2","4","3","5","1") = "6"
    & skf21("2","6","7","2","4","3","6","1") = "6"
    & skf21("2","6","7","2","4","3","7","1") = "6"
    & skf21("2","6","7","2","4","4","1","1") = "6"
    & skf21("2","6","7","2","4","4","2","1") = "6"
    & skf21("2","6","7","2","4","4","3","1") = "6"
    & skf21("2","6","7","2","4","4","4","1") = "6"
    & skf21("2","6","7","2","4","4","5","1") = "6"
    & skf21("2","6","7","2","4","4","6","1") = "6"
    & skf21("2","6","7","2","4","4","7","1") = "6"
    & skf21("2","6","7","2","4","5","1","1") = "6"
    & skf21("2","6","7","2","4","5","2","1") = "6"
    & skf21("2","6","7","2","4","5","3","1") = "6"
    & skf21("2","6","7","2","4","5","4","1") = "6"
    & skf21("2","6","7","2","4","5","5","1") = "6"
    & skf21("2","6","7","2","4","5","6","1") = "6"
    & skf21("2","6","7","2","4","5","7","1") = "6"
    & skf21("2","6","7","2","4","6","1","1") = "6"
    & skf21("2","6","7","2","4","6","2","1") = "6"
    & skf21("2","6","7","2","4","6","3","1") = "6"
    & skf21("2","6","7","2","4","6","4","1") = "6"
    & skf21("2","6","7","2","4","6","5","1") = "6"
    & skf21("2","6","7","2","4","6","6","1") = "6"
    & skf21("2","6","7","2","4","6","7","1") = "6"
    & skf21("2","6","7","2","4","7","1","1") = "6"
    & skf21("2","6","7","2","4","7","2","1") = "6"
    & skf21("2","6","7","2","4","7","3","1") = "6"
    & skf21("2","6","7","2","4","7","4","1") = "6"
    & skf21("2","6","7","2","4","7","5","1") = "6"
    & skf21("2","6","7","2","4","7","6","1") = "6"
    & skf21("2","6","7","2","4","7","7","1") = "6"
    & skf21("2","6","7","2","5","1","1","1") = "6"
    & skf21("2","6","7","2","5","1","2","1") = "6"
    & skf21("2","6","7","2","5","1","3","1") = "6"
    & skf21("2","6","7","2","5","1","4","1") = "6"
    & skf21("2","6","7","2","5","1","5","1") = "6"
    & skf21("2","6","7","2","5","1","6","1") = "6"
    & skf21("2","6","7","2","5","1","7","1") = "6"
    & skf21("2","6","7","2","5","2","1","1") = "6"
    & skf21("2","6","7","2","5","2","2","1") = "6"
    & skf21("2","6","7","2","5","2","3","1") = "6"
    & skf21("2","6","7","2","5","2","4","1") = "6"
    & skf21("2","6","7","2","5","2","5","1") = "6"
    & skf21("2","6","7","2","5","2","6","1") = "6"
    & skf21("2","6","7","2","5","2","7","1") = "6"
    & skf21("2","6","7","2","5","3","1","1") = "6"
    & skf21("2","6","7","2","5","3","2","1") = "6"
    & skf21("2","6","7","2","5","3","3","1") = "6"
    & skf21("2","6","7","2","5","3","4","1") = "6"
    & skf21("2","6","7","2","5","3","5","1") = "6"
    & skf21("2","6","7","2","5","3","6","1") = "6"
    & skf21("2","6","7","2","5","3","7","1") = "6"
    & skf21("2","6","7","2","5","4","1","1") = "6"
    & skf21("2","6","7","2","5","4","2","1") = "6"
    & skf21("2","6","7","2","5","4","3","1") = "6"
    & skf21("2","6","7","2","5","4","4","1") = "6"
    & skf21("2","6","7","2","5","4","5","1") = "6"
    & skf21("2","6","7","2","5","4","6","1") = "6"
    & skf21("2","6","7","2","5","4","7","1") = "6"
    & skf21("2","6","7","2","5","5","1","1") = "6"
    & skf21("2","6","7","2","5","5","2","1") = "6"
    & skf21("2","6","7","2","5","5","3","1") = "6"
    & skf21("2","6","7","2","5","5","4","1") = "6"
    & skf21("2","6","7","2","5","5","5","1") = "6"
    & skf21("2","6","7","2","5","5","6","1") = "6"
    & skf21("2","6","7","2","5","5","7","1") = "6"
    & skf21("2","6","7","2","5","6","1","1") = "6"
    & skf21("2","6","7","2","5","6","2","1") = "6"
    & skf21("2","6","7","2","5","6","3","1") = "6"
    & skf21("2","6","7","2","5","6","4","1") = "6"
    & skf21("2","6","7","2","5","6","5","1") = "6"
    & skf21("2","6","7","2","5","6","6","1") = "6"
    & skf21("2","6","7","2","5","6","7","1") = "6"
    & skf21("2","6","7","2","5","7","1","1") = "6"
    & skf21("2","6","7","2","5","7","2","1") = "6"
    & skf21("2","6","7","2","5","7","3","1") = "6"
    & skf21("2","6","7","2","5","7","4","1") = "6"
    & skf21("2","6","7","2","5","7","5","1") = "6"
    & skf21("2","6","7","2","5","7","6","1") = "6"
    & skf21("2","6","7","2","5","7","7","1") = "6"
    & skf21("2","6","7","2","6","1","1","1") = "6"
    & skf21("2","6","7","2","6","1","2","1") = "6"
    & skf21("2","6","7","2","6","1","3","1") = "6"
    & skf21("2","6","7","2","6","1","4","1") = "6"
    & skf21("2","6","7","2","6","1","5","1") = "6"
    & skf21("2","6","7","2","6","1","6","1") = "6"
    & skf21("2","6","7","2","6","1","7","1") = "6"
    & skf21("2","6","7","2","6","2","1","1") = "6"
    & skf21("2","6","7","2","6","2","2","1") = "6"
    & skf21("2","6","7","2","6","2","3","1") = "6"
    & skf21("2","6","7","2","6","2","4","1") = "6"
    & skf21("2","6","7","2","6","2","5","1") = "6"
    & skf21("2","6","7","2","6","2","6","1") = "6"
    & skf21("2","6","7","2","6","2","7","1") = "6"
    & skf21("2","6","7","2","6","3","1","1") = "6"
    & skf21("2","6","7","2","6","3","2","1") = "6"
    & skf21("2","6","7","2","6","3","3","1") = "6"
    & skf21("2","6","7","2","6","3","4","1") = "6"
    & skf21("2","6","7","2","6","3","5","1") = "6"
    & skf21("2","6","7","2","6","3","6","1") = "6"
    & skf21("2","6","7","2","6","3","7","1") = "6"
    & skf21("2","6","7","2","6","4","1","1") = "6"
    & skf21("2","6","7","2","6","4","2","1") = "6"
    & skf21("2","6","7","2","6","4","3","1") = "6"
    & skf21("2","6","7","2","6","4","4","1") = "6"
    & skf21("2","6","7","2","6","4","5","1") = "6"
    & skf21("2","6","7","2","6","4","6","1") = "6"
    & skf21("2","6","7","2","6","4","7","1") = "6"
    & skf21("2","6","7","2","6","5","1","1") = "6"
    & skf21("2","6","7","2","6","5","2","1") = "6"
    & skf21("2","6","7","2","6","5","3","1") = "6"
    & skf21("2","6","7","2","6","5","4","1") = "6"
    & skf21("2","6","7","2","6","5","5","1") = "6"
    & skf21("2","6","7","2","6","5","6","1") = "6"
    & skf21("2","6","7","2","6","5","7","1") = "6"
    & skf21("2","6","7","2","6","6","1","1") = "6"
    & skf21("2","6","7","2","6","6","2","1") = "6"
    & skf21("2","6","7","2","6","6","3","1") = "6"
    & skf21("2","6","7","2","6","6","4","1") = "6"
    & skf21("2","6","7","2","6","6","5","1") = "6"
    & skf21("2","6","7","2","6","6","6","1") = "6"
    & skf21("2","6","7","2","6","6","7","1") = "6"
    & skf21("2","6","7","2","6","7","1","1") = "6"
    & skf21("2","6","7","2","6","7","2","1") = "6"
    & skf21("2","6","7","2","6","7","3","1") = "6"
    & skf21("2","6","7","2","6","7","4","1") = "6"
    & skf21("2","6","7","2","6","7","5","1") = "6"
    & skf21("2","6","7","2","6","7","6","1") = "6"
    & skf21("2","6","7","2","6","7","7","1") = "6"
    & skf21("2","6","7","2","7","1","1","1") = "6"
    & skf21("2","6","7","2","7","1","2","1") = "6"
    & skf21("2","6","7","2","7","1","3","1") = "6"
    & skf21("2","6","7","2","7","1","4","1") = "6"
    & skf21("2","6","7","2","7","1","5","1") = "6"
    & skf21("2","6","7","2","7","1","6","1") = "6"
    & skf21("2","6","7","2","7","1","7","1") = "6"
    & skf21("2","6","7","2","7","2","1","1") = "6"
    & skf21("2","6","7","2","7","2","2","1") = "6"
    & skf21("2","6","7","2","7","2","3","1") = "6"
    & skf21("2","6","7","2","7","2","4","1") = "6"
    & skf21("2","6","7","2","7","2","5","1") = "6"
    & skf21("2","6","7","2","7","2","6","1") = "6"
    & skf21("2","6","7","2","7","2","7","1") = "6"
    & skf21("2","6","7","2","7","3","1","1") = "6"
    & skf21("2","6","7","2","7","3","2","1") = "6"
    & skf21("2","6","7","2","7","3","3","1") = "6"
    & skf21("2","6","7","2","7","3","4","1") = "6"
    & skf21("2","6","7","2","7","3","5","1") = "6"
    & skf21("2","6","7","2","7","3","6","1") = "6"
    & skf21("2","6","7","2","7","3","7","1") = "6"
    & skf21("2","6","7","2","7","4","1","1") = "6"
    & skf21("2","6","7","2","7","4","2","1") = "6"
    & skf21("2","6","7","2","7","4","3","1") = "6"
    & skf21("2","6","7","2","7","4","4","1") = "6"
    & skf21("2","6","7","2","7","4","5","1") = "6"
    & skf21("2","6","7","2","7","4","6","1") = "6"
    & skf21("2","6","7","2","7","4","7","1") = "6"
    & skf21("2","6","7","2","7","5","1","1") = "6"
    & skf21("2","6","7","2","7","5","2","1") = "6"
    & skf21("2","6","7","2","7","5","3","1") = "6"
    & skf21("2","6","7","2","7","5","4","1") = "6"
    & skf21("2","6","7","2","7","5","5","1") = "6"
    & skf21("2","6","7","2","7","5","6","1") = "6"
    & skf21("2","6","7","2","7","5","7","1") = "6"
    & skf21("2","6","7","2","7","6","1","1") = "6"
    & skf21("2","6","7","2","7","6","2","1") = "6"
    & skf21("2","6","7","2","7","6","3","1") = "6"
    & skf21("2","6","7","2","7","6","4","1") = "6"
    & skf21("2","6","7","2","7","6","5","1") = "6"
    & skf21("2","6","7","2","7","6","6","1") = "6"
    & skf21("2","6","7","2","7","6","7","1") = "6"
    & skf21("2","6","7","2","7","7","1","1") = "6"
    & skf21("2","6","7","2","7","7","2","1") = "6"
    & skf21("2","6","7","2","7","7","3","1") = "6"
    & skf21("2","6","7","2","7","7","4","1") = "6"
    & skf21("2","6","7","2","7","7","5","1") = "6"
    & skf21("2","6","7","2","7","7","6","1") = "6"
    & skf21("2","6","7","2","7","7","7","1") = "6"
    & skf21("2","6","7","3","1","1","1","1") = "6"
    & skf21("2","6","7","3","1","1","2","1") = "6"
    & skf21("2","6","7","3","1","1","3","1") = "6"
    & skf21("2","6","7","3","1","1","4","1") = "6"
    & skf21("2","6","7","3","1","1","5","1") = "6"
    & skf21("2","6","7","3","1","1","6","1") = "6"
    & skf21("2","6","7","3","1","1","7","1") = "6"
    & skf21("2","6","7","3","1","2","1","1") = "6"
    & skf21("2","6","7","3","1","2","2","1") = "6"
    & skf21("2","6","7","3","1","2","3","1") = "6"
    & skf21("2","6","7","3","1","2","4","1") = "6"
    & skf21("2","6","7","3","1","2","5","1") = "6"
    & skf21("2","6","7","3","1","2","6","1") = "6"
    & skf21("2","6","7","3","1","2","7","1") = "6"
    & skf21("2","6","7","3","1","3","1","1") = "6"
    & skf21("2","6","7","3","1","3","2","1") = "6"
    & skf21("2","6","7","3","1","3","3","1") = "6"
    & skf21("2","6","7","3","1","3","4","1") = "6"
    & skf21("2","6","7","3","1","3","5","1") = "6"
    & skf21("2","6","7","3","1","3","6","1") = "6"
    & skf21("2","6","7","3","1","3","7","1") = "6"
    & skf21("2","6","7","3","1","4","1","1") = "6"
    & skf21("2","6","7","3","1","4","2","1") = "6"
    & skf21("2","6","7","3","1","4","3","1") = "6"
    & skf21("2","6","7","3","1","4","4","1") = "6"
    & skf21("2","6","7","3","1","4","5","1") = "6"
    & skf21("2","6","7","3","1","4","6","1") = "6"
    & skf21("2","6","7","3","1","4","7","1") = "6"
    & skf21("2","6","7","3","1","5","1","1") = "6"
    & skf21("2","6","7","3","1","5","2","1") = "6"
    & skf21("2","6","7","3","1","5","3","1") = "6"
    & skf21("2","6","7","3","1","5","4","1") = "6"
    & skf21("2","6","7","3","1","5","5","1") = "6"
    & skf21("2","6","7","3","1","5","6","1") = "6"
    & skf21("2","6","7","3","1","5","7","1") = "6"
    & skf21("2","6","7","3","1","6","1","1") = "6"
    & skf21("2","6","7","3","1","6","2","1") = "6"
    & skf21("2","6","7","3","1","6","3","1") = "6"
    & skf21("2","6","7","3","1","6","4","1") = "6"
    & skf21("2","6","7","3","1","6","5","1") = "6"
    & skf21("2","6","7","3","1","6","6","1") = "6"
    & skf21("2","6","7","3","1","6","7","1") = "6"
    & skf21("2","6","7","3","1","7","1","1") = "6"
    & skf21("2","6","7","3","1","7","2","1") = "6"
    & skf21("2","6","7","3","1","7","3","1") = "6"
    & skf21("2","6","7","3","1","7","4","1") = "6"
    & skf21("2","6","7","3","1","7","5","1") = "6"
    & skf21("2","6","7","3","1","7","6","1") = "6"
    & skf21("2","6","7","3","1","7","7","1") = "6"
    & skf21("2","6","7","3","2","1","1","1") = "6"
    & skf21("2","6","7","3","2","1","2","1") = "6"
    & skf21("2","6","7","3","2","1","3","1") = "6"
    & skf21("2","6","7","3","2","1","4","1") = "6"
    & skf21("2","6","7","3","2","1","5","1") = "6"
    & skf21("2","6","7","3","2","1","6","1") = "6"
    & skf21("2","6","7","3","2","1","7","1") = "6"
    & skf21("2","6","7","3","2","2","1","1") = "6"
    & skf21("2","6","7","3","2","2","2","1") = "6"
    & skf21("2","6","7","3","2","2","3","1") = "6"
    & skf21("2","6","7","3","2","2","4","1") = "6"
    & skf21("2","6","7","3","2","2","5","1") = "6"
    & skf21("2","6","7","3","2","2","6","1") = "6"
    & skf21("2","6","7","3","2","2","7","1") = "6"
    & skf21("2","6","7","3","2","3","1","1") = "6"
    & skf21("2","6","7","3","2","3","2","1") = "6"
    & skf21("2","6","7","3","2","3","3","1") = "6"
    & skf21("2","6","7","3","2","3","4","1") = "6"
    & skf21("2","6","7","3","2","3","5","1") = "6"
    & skf21("2","6","7","3","2","3","6","1") = "6"
    & skf21("2","6","7","3","2","3","7","1") = "6"
    & skf21("2","6","7","3","2","4","1","1") = "6"
    & skf21("2","6","7","3","2","4","2","1") = "6"
    & skf21("2","6","7","3","2","4","3","1") = "6"
    & skf21("2","6","7","3","2","4","4","1") = "6"
    & skf21("2","6","7","3","2","4","5","1") = "6"
    & skf21("2","6","7","3","2","4","6","1") = "6"
    & skf21("2","6","7","3","2","4","7","1") = "6"
    & skf21("2","6","7","3","2","5","1","1") = "6"
    & skf21("2","6","7","3","2","5","2","1") = "6"
    & skf21("2","6","7","3","2","5","3","1") = "6"
    & skf21("2","6","7","3","2","5","4","1") = "6"
    & skf21("2","6","7","3","2","5","5","1") = "6"
    & skf21("2","6","7","3","2","5","6","1") = "6"
    & skf21("2","6","7","3","2","5","7","1") = "6"
    & skf21("2","6","7","3","2","6","1","1") = "6"
    & skf21("2","6","7","3","2","6","2","1") = "6"
    & skf21("2","6","7","3","2","6","3","1") = "6"
    & skf21("2","6","7","3","2","6","4","1") = "6"
    & skf21("2","6","7","3","2","6","5","1") = "6"
    & skf21("2","6","7","3","2","6","6","1") = "6"
    & skf21("2","6","7","3","2","6","7","1") = "6"
    & skf21("2","6","7","3","2","7","1","1") = "6"
    & skf21("2","6","7","3","2","7","2","1") = "6"
    & skf21("2","6","7","3","2","7","3","1") = "6"
    & skf21("2","6","7","3","2","7","4","1") = "6"
    & skf21("2","6","7","3","2","7","5","1") = "6"
    & skf21("2","6","7","3","2","7","6","1") = "6"
    & skf21("2","6","7","3","2","7","7","1") = "6"
    & skf21("2","6","7","3","3","1","1","1") = "6"
    & skf21("2","6","7","3","3","1","2","1") = "6"
    & skf21("2","6","7","3","3","1","3","1") = "6"
    & skf21("2","6","7","3","3","1","4","1") = "6"
    & skf21("2","6","7","3","3","1","5","1") = "6"
    & skf21("2","6","7","3","3","1","6","1") = "6"
    & skf21("2","6","7","3","3","1","7","1") = "6"
    & skf21("2","6","7","3","3","2","1","1") = "6"
    & skf21("2","6","7","3","3","2","2","1") = "6"
    & skf21("2","6","7","3","3","2","3","1") = "6"
    & skf21("2","6","7","3","3","2","4","1") = "6"
    & skf21("2","6","7","3","3","2","5","1") = "6"
    & skf21("2","6","7","3","3","2","6","1") = "6"
    & skf21("2","6","7","3","3","2","7","1") = "6"
    & skf21("2","6","7","3","3","3","1","1") = "6"
    & skf21("2","6","7","3","3","3","2","1") = "6"
    & skf21("2","6","7","3","3","3","3","1") = "6"
    & skf21("2","6","7","3","3","3","4","1") = "6"
    & skf21("2","6","7","3","3","3","5","1") = "6"
    & skf21("2","6","7","3","3","3","6","1") = "6"
    & skf21("2","6","7","3","3","3","7","1") = "6"
    & skf21("2","6","7","3","3","4","1","1") = "6"
    & skf21("2","6","7","3","3","4","2","1") = "6"
    & skf21("2","6","7","3","3","4","3","1") = "6"
    & skf21("2","6","7","3","3","4","4","1") = "6"
    & skf21("2","6","7","3","3","4","5","1") = "6"
    & skf21("2","6","7","3","3","4","6","1") = "6"
    & skf21("2","6","7","3","3","4","7","1") = "6"
    & skf21("2","6","7","3","3","5","1","1") = "6"
    & skf21("2","6","7","3","3","5","2","1") = "6"
    & skf21("2","6","7","3","3","5","3","1") = "6"
    & skf21("2","6","7","3","3","5","4","1") = "6"
    & skf21("2","6","7","3","3","5","5","1") = "6"
    & skf21("2","6","7","3","3","5","6","1") = "6"
    & skf21("2","6","7","3","3","5","7","1") = "6"
    & skf21("2","6","7","3","3","6","1","1") = "6"
    & skf21("2","6","7","3","3","6","2","1") = "6"
    & skf21("2","6","7","3","3","6","3","1") = "6"
    & skf21("2","6","7","3","3","6","4","1") = "6"
    & skf21("2","6","7","3","3","6","5","1") = "6"
    & skf21("2","6","7","3","3","6","6","1") = "6"
    & skf21("2","6","7","3","3","6","7","1") = "6"
    & skf21("2","6","7","3","3","7","1","1") = "6"
    & skf21("2","6","7","3","3","7","2","1") = "6"
    & skf21("2","6","7","3","3","7","3","1") = "6"
    & skf21("2","6","7","3","3","7","4","1") = "6"
    & skf21("2","6","7","3","3","7","5","1") = "6"
    & skf21("2","6","7","3","3","7","6","1") = "6"
    & skf21("2","6","7","3","3","7","7","1") = "6"
    & skf21("2","6","7","3","4","1","1","1") = "6"
    & skf21("2","6","7","3","4","1","2","1") = "6"
    & skf21("2","6","7","3","4","1","3","1") = "6"
    & skf21("2","6","7","3","4","1","4","1") = "6"
    & skf21("2","6","7","3","4","1","5","1") = "6"
    & skf21("2","6","7","3","4","1","6","1") = "6"
    & skf21("2","6","7","3","4","1","7","1") = "6"
    & skf21("2","6","7","3","4","2","1","1") = "6"
    & skf21("2","6","7","3","4","2","2","1") = "6"
    & skf21("2","6","7","3","4","2","3","1") = "6"
    & skf21("2","6","7","3","4","2","4","1") = "6"
    & skf21("2","6","7","3","4","2","5","1") = "6"
    & skf21("2","6","7","3","4","2","6","1") = "6"
    & skf21("2","6","7","3","4","2","7","1") = "6"
    & skf21("2","6","7","3","4","3","1","1") = "6"
    & skf21("2","6","7","3","4","3","2","1") = "6"
    & skf21("2","6","7","3","4","3","3","1") = "6"
    & skf21("2","6","7","3","4","3","4","1") = "6"
    & skf21("2","6","7","3","4","3","5","1") = "6"
    & skf21("2","6","7","3","4","3","6","1") = "6"
    & skf21("2","6","7","3","4","3","7","1") = "6"
    & skf21("2","6","7","3","4","4","1","1") = "6"
    & skf21("2","6","7","3","4","4","2","1") = "6"
    & skf21("2","6","7","3","4","4","3","1") = "6"
    & skf21("2","6","7","3","4","4","4","1") = "6"
    & skf21("2","6","7","3","4","4","5","1") = "6"
    & skf21("2","6","7","3","4","4","6","1") = "6"
    & skf21("2","6","7","3","4","4","7","1") = "6"
    & skf21("2","6","7","3","4","5","1","1") = "6"
    & skf21("2","6","7","3","4","5","2","1") = "6"
    & skf21("2","6","7","3","4","5","3","1") = "6"
    & skf21("2","6","7","3","4","5","4","1") = "6"
    & skf21("2","6","7","3","4","5","5","1") = "6"
    & skf21("2","6","7","3","4","5","6","1") = "6"
    & skf21("2","6","7","3","4","5","7","1") = "6"
    & skf21("2","6","7","3","4","6","1","1") = "6"
    & skf21("2","6","7","3","4","6","2","1") = "6"
    & skf21("2","6","7","3","4","6","3","1") = "6"
    & skf21("2","6","7","3","4","6","4","1") = "6"
    & skf21("2","6","7","3","4","6","5","1") = "6"
    & skf21("2","6","7","3","4","6","6","1") = "6"
    & skf21("2","6","7","3","4","6","7","1") = "6"
    & skf21("2","6","7","3","4","7","1","1") = "6"
    & skf21("2","6","7","3","4","7","2","1") = "6"
    & skf21("2","6","7","3","4","7","3","1") = "6"
    & skf21("2","6","7","3","4","7","4","1") = "6"
    & skf21("2","6","7","3","4","7","5","1") = "6"
    & skf21("2","6","7","3","4","7","6","1") = "6"
    & skf21("2","6","7","3","4","7","7","1") = "6"
    & skf21("2","6","7","3","5","1","1","1") = "6"
    & skf21("2","6","7","3","5","1","2","1") = "6"
    & skf21("2","6","7","3","5","1","3","1") = "6"
    & skf21("2","6","7","3","5","1","4","1") = "6"
    & skf21("2","6","7","3","5","1","5","1") = "6"
    & skf21("2","6","7","3","5","1","6","1") = "6"
    & skf21("2","6","7","3","5","1","7","1") = "6"
    & skf21("2","6","7","3","5","2","1","1") = "6"
    & skf21("2","6","7","3","5","2","2","1") = "6"
    & skf21("2","6","7","3","5","2","3","1") = "6"
    & skf21("2","6","7","3","5","2","4","1") = "6"
    & skf21("2","6","7","3","5","2","5","1") = "6"
    & skf21("2","6","7","3","5","2","6","1") = "6"
    & skf21("2","6","7","3","5","2","7","1") = "6"
    & skf21("2","6","7","3","5","3","1","1") = "6"
    & skf21("2","6","7","3","5","3","2","1") = "6"
    & skf21("2","6","7","3","5","3","3","1") = "6"
    & skf21("2","6","7","3","5","3","4","1") = "6"
    & skf21("2","6","7","3","5","3","5","1") = "6"
    & skf21("2","6","7","3","5","3","6","1") = "6"
    & skf21("2","6","7","3","5","3","7","1") = "6"
    & skf21("2","6","7","3","5","4","1","1") = "6"
    & skf21("2","6","7","3","5","4","2","1") = "6"
    & skf21("2","6","7","3","5","4","3","1") = "6"
    & skf21("2","6","7","3","5","4","4","1") = "6"
    & skf21("2","6","7","3","5","4","5","1") = "6"
    & skf21("2","6","7","3","5","4","6","1") = "6"
    & skf21("2","6","7","3","5","4","7","1") = "6"
    & skf21("2","6","7","3","5","5","1","1") = "6"
    & skf21("2","6","7","3","5","5","2","1") = "6"
    & skf21("2","6","7","3","5","5","3","1") = "6"
    & skf21("2","6","7","3","5","5","4","1") = "6"
    & skf21("2","6","7","3","5","5","5","1") = "6"
    & skf21("2","6","7","3","5","5","6","1") = "6"
    & skf21("2","6","7","3","5","5","7","1") = "6"
    & skf21("2","6","7","3","5","6","1","1") = "6"
    & skf21("2","6","7","3","5","6","2","1") = "6"
    & skf21("2","6","7","3","5","6","3","1") = "6"
    & skf21("2","6","7","3","5","6","4","1") = "6"
    & skf21("2","6","7","3","5","6","5","1") = "6"
    & skf21("2","6","7","3","5","6","6","1") = "6"
    & skf21("2","6","7","3","5","6","7","1") = "6"
    & skf21("2","6","7","3","5","7","1","1") = "6"
    & skf21("2","6","7","3","5","7","2","1") = "6"
    & skf21("2","6","7","3","5","7","3","1") = "6"
    & skf21("2","6","7","3","5","7","4","1") = "6"
    & skf21("2","6","7","3","5","7","5","1") = "6"
    & skf21("2","6","7","3","5","7","6","1") = "6"
    & skf21("2","6","7","3","5","7","7","1") = "6"
    & skf21("2","6","7","3","6","1","1","1") = "6"
    & skf21("2","6","7","3","6","1","2","1") = "6"
    & skf21("2","6","7","3","6","1","3","1") = "6"
    & skf21("2","6","7","3","6","1","4","1") = "6"
    & skf21("2","6","7","3","6","1","5","1") = "6"
    & skf21("2","6","7","3","6","1","6","1") = "6"
    & skf21("2","6","7","3","6","1","7","1") = "6"
    & skf21("2","6","7","3","6","2","1","1") = "6"
    & skf21("2","6","7","3","6","2","2","1") = "6"
    & skf21("2","6","7","3","6","2","3","1") = "6"
    & skf21("2","6","7","3","6","2","4","1") = "6"
    & skf21("2","6","7","3","6","2","5","1") = "6"
    & skf21("2","6","7","3","6","2","6","1") = "6"
    & skf21("2","6","7","3","6","2","7","1") = "6"
    & skf21("2","6","7","3","6","3","1","1") = "6"
    & skf21("2","6","7","3","6","3","2","1") = "6"
    & skf21("2","6","7","3","6","3","3","1") = "6"
    & skf21("2","6","7","3","6","3","4","1") = "6"
    & skf21("2","6","7","3","6","3","5","1") = "6"
    & skf21("2","6","7","3","6","3","6","1") = "6"
    & skf21("2","6","7","3","6","3","7","1") = "6"
    & skf21("2","6","7","3","6","4","1","1") = "6"
    & skf21("2","6","7","3","6","4","2","1") = "6"
    & skf21("2","6","7","3","6","4","3","1") = "6"
    & skf21("2","6","7","3","6","4","4","1") = "6"
    & skf21("2","6","7","3","6","4","5","1") = "6"
    & skf21("2","6","7","3","6","4","6","1") = "6"
    & skf21("2","6","7","3","6","4","7","1") = "6"
    & skf21("2","6","7","3","6","5","1","1") = "6"
    & skf21("2","6","7","3","6","5","2","1") = "6"
    & skf21("2","6","7","3","6","5","3","1") = "6"
    & skf21("2","6","7","3","6","5","4","1") = "6"
    & skf21("2","6","7","3","6","5","5","1") = "6"
    & skf21("2","6","7","3","6","5","6","1") = "6"
    & skf21("2","6","7","3","6","5","7","1") = "6"
    & skf21("2","6","7","3","6","6","1","1") = "6"
    & skf21("2","6","7","3","6","6","2","1") = "6"
    & skf21("2","6","7","3","6","6","3","1") = "6"
    & skf21("2","6","7","3","6","6","4","1") = "6"
    & skf21("2","6","7","3","6","6","5","1") = "6"
    & skf21("2","6","7","3","6","6","6","1") = "6"
    & skf21("2","6","7","3","6","6","7","1") = "6"
    & skf21("2","6","7","3","6","7","1","1") = "6"
    & skf21("2","6","7","3","6","7","2","1") = "6"
    & skf21("2","6","7","3","6","7","3","1") = "6"
    & skf21("2","6","7","3","6","7","4","1") = "6"
    & skf21("2","6","7","3","6","7","5","1") = "6"
    & skf21("2","6","7","3","6","7","6","1") = "6"
    & skf21("2","6","7","3","6","7","7","1") = "6"
    & skf21("2","6","7","3","7","1","1","1") = "6"
    & skf21("2","6","7","3","7","1","2","1") = "6"
    & skf21("2","6","7","3","7","1","3","1") = "6"
    & skf21("2","6","7","3","7","1","4","1") = "6"
    & skf21("2","6","7","3","7","1","5","1") = "6"
    & skf21("2","6","7","3","7","1","6","1") = "6"
    & skf21("2","6","7","3","7","1","7","1") = "6"
    & skf21("2","6","7","3","7","2","1","1") = "6"
    & skf21("2","6","7","3","7","2","2","1") = "6"
    & skf21("2","6","7","3","7","2","3","1") = "6"
    & skf21("2","6","7","3","7","2","4","1") = "6"
    & skf21("2","6","7","3","7","2","5","1") = "6"
    & skf21("2","6","7","3","7","2","6","1") = "6"
    & skf21("2","6","7","3","7","2","7","1") = "6"
    & skf21("2","6","7","3","7","3","1","1") = "6"
    & skf21("2","6","7","3","7","3","2","1") = "6"
    & skf21("2","6","7","3","7","3","3","1") = "6"
    & skf21("2","6","7","3","7","3","4","1") = "6"
    & skf21("2","6","7","3","7","3","5","1") = "6"
    & skf21("2","6","7","3","7","3","6","1") = "6"
    & skf21("2","6","7","3","7","3","7","1") = "6"
    & skf21("2","6","7","3","7","4","1","1") = "6"
    & skf21("2","6","7","3","7","4","2","1") = "6"
    & skf21("2","6","7","3","7","4","3","1") = "6"
    & skf21("2","6","7","3","7","4","4","1") = "6"
    & skf21("2","6","7","3","7","4","5","1") = "6"
    & skf21("2","6","7","3","7","4","6","1") = "6"
    & skf21("2","6","7","3","7","4","7","1") = "6"
    & skf21("2","6","7","3","7","5","1","1") = "6"
    & skf21("2","6","7","3","7","5","2","1") = "6"
    & skf21("2","6","7","3","7","5","3","1") = "6"
    & skf21("2","6","7","3","7","5","4","1") = "6"
    & skf21("2","6","7","3","7","5","5","1") = "6"
    & skf21("2","6","7","3","7","5","6","1") = "6"
    & skf21("2","6","7","3","7","5","7","1") = "6"
    & skf21("2","6","7","3","7","6","1","1") = "6"
    & skf21("2","6","7","3","7","6","2","1") = "6"
    & skf21("2","6","7","3","7","6","3","1") = "6"
    & skf21("2","6","7","3","7","6","4","1") = "6"
    & skf21("2","6","7","3","7","6","5","1") = "6"
    & skf21("2","6","7","3","7","6","6","1") = "6"
    & skf21("2","6","7","3","7","6","7","1") = "6"
    & skf21("2","6","7","3","7","7","1","1") = "6"
    & skf21("2","6","7","3","7","7","2","1") = "6"
    & skf21("2","6","7","3","7","7","3","1") = "6"
    & skf21("2","6","7","3","7","7","4","1") = "6"
    & skf21("2","6","7","3","7","7","5","1") = "6"
    & skf21("2","6","7","3","7","7","6","1") = "6"
    & skf21("2","6","7","3","7","7","7","1") = "6"
    & skf21("2","6","7","4","1","1","1","1") = "6"
    & skf21("2","6","7","4","1","1","2","1") = "6"
    & skf21("2","6","7","4","1","1","3","1") = "6"
    & skf21("2","6","7","4","1","1","4","1") = "6"
    & skf21("2","6","7","4","1","1","5","1") = "6"
    & skf21("2","6","7","4","1","1","6","1") = "6"
    & skf21("2","6","7","4","1","1","7","1") = "6"
    & skf21("2","6","7","4","1","2","1","1") = "6"
    & skf21("2","6","7","4","1","2","2","1") = "6"
    & skf21("2","6","7","4","1","2","3","1") = "6"
    & skf21("2","6","7","4","1","2","4","1") = "6"
    & skf21("2","6","7","4","1","2","5","1") = "6"
    & skf21("2","6","7","4","1","2","6","1") = "6"
    & skf21("2","6","7","4","1","2","7","1") = "6"
    & skf21("2","6","7","4","1","3","1","1") = "6"
    & skf21("2","6","7","4","1","3","2","1") = "6"
    & skf21("2","6","7","4","1","3","3","1") = "6"
    & skf21("2","6","7","4","1","3","4","1") = "6"
    & skf21("2","6","7","4","1","3","5","1") = "6"
    & skf21("2","6","7","4","1","3","6","1") = "6"
    & skf21("2","6","7","4","1","3","7","1") = "6"
    & skf21("2","6","7","4","1","4","1","1") = "6"
    & skf21("2","6","7","4","1","4","2","1") = "6"
    & skf21("2","6","7","4","1","4","3","1") = "6"
    & skf21("2","6","7","4","1","4","4","1") = "6"
    & skf21("2","6","7","4","1","4","5","1") = "6"
    & skf21("2","6","7","4","1","4","6","1") = "6"
    & skf21("2","6","7","4","1","4","7","1") = "6"
    & skf21("2","6","7","4","1","5","1","1") = "6"
    & skf21("2","6","7","4","1","5","2","1") = "6"
    & skf21("2","6","7","4","1","5","3","1") = "6"
    & skf21("2","6","7","4","1","5","4","1") = "6"
    & skf21("2","6","7","4","1","5","5","1") = "6"
    & skf21("2","6","7","4","1","5","6","1") = "6"
    & skf21("2","6","7","4","1","5","7","1") = "6"
    & skf21("2","6","7","4","1","6","1","1") = "6"
    & skf21("2","6","7","4","1","6","2","1") = "6"
    & skf21("2","6","7","4","1","6","3","1") = "6"
    & skf21("2","6","7","4","1","6","4","1") = "6"
    & skf21("2","6","7","4","1","6","5","1") = "6"
    & skf21("2","6","7","4","1","6","6","1") = "6"
    & skf21("2","6","7","4","1","6","7","1") = "6"
    & skf21("2","6","7","4","1","7","1","1") = "6"
    & skf21("2","6","7","4","1","7","2","1") = "6"
    & skf21("2","6","7","4","1","7","3","1") = "6"
    & skf21("2","6","7","4","1","7","4","1") = "6"
    & skf21("2","6","7","4","1","7","5","1") = "6"
    & skf21("2","6","7","4","1","7","6","1") = "6"
    & skf21("2","6","7","4","1","7","7","1") = "6"
    & skf21("2","6","7","4","2","1","1","1") = "6"
    & skf21("2","6","7","4","2","1","2","1") = "6"
    & skf21("2","6","7","4","2","1","3","1") = "6"
    & skf21("2","6","7","4","2","1","4","1") = "6"
    & skf21("2","6","7","4","2","1","5","1") = "6"
    & skf21("2","6","7","4","2","1","6","1") = "6"
    & skf21("2","6","7","4","2","1","7","1") = "6"
    & skf21("2","6","7","4","2","2","1","1") = "6"
    & skf21("2","6","7","4","2","2","2","1") = "6"
    & skf21("2","6","7","4","2","2","3","1") = "6"
    & skf21("2","6","7","4","2","2","4","1") = "6"
    & skf21("2","6","7","4","2","2","5","1") = "6"
    & skf21("2","6","7","4","2","2","6","1") = "6"
    & skf21("2","6","7","4","2","2","7","1") = "6"
    & skf21("2","6","7","4","2","3","1","1") = "6"
    & skf21("2","6","7","4","2","3","2","1") = "6"
    & skf21("2","6","7","4","2","3","3","1") = "6"
    & skf21("2","6","7","4","2","3","4","1") = "6"
    & skf21("2","6","7","4","2","3","5","1") = "6"
    & skf21("2","6","7","4","2","3","6","1") = "6"
    & skf21("2","6","7","4","2","3","7","1") = "6"
    & skf21("2","6","7","4","2","4","1","1") = "6"
    & skf21("2","6","7","4","2","4","2","1") = "6"
    & skf21("2","6","7","4","2","4","3","1") = "6"
    & skf21("2","6","7","4","2","4","4","1") = "6"
    & skf21("2","6","7","4","2","4","5","1") = "6"
    & skf21("2","6","7","4","2","4","6","1") = "6"
    & skf21("2","6","7","4","2","4","7","1") = "6"
    & skf21("2","6","7","4","2","5","1","1") = "6"
    & skf21("2","6","7","4","2","5","2","1") = "6"
    & skf21("2","6","7","4","2","5","3","1") = "6"
    & skf21("2","6","7","4","2","5","4","1") = "6"
    & skf21("2","6","7","4","2","5","5","1") = "6"
    & skf21("2","6","7","4","2","5","6","1") = "6"
    & skf21("2","6","7","4","2","5","7","1") = "6"
    & skf21("2","6","7","4","2","6","1","1") = "6"
    & skf21("2","6","7","4","2","6","2","1") = "6"
    & skf21("2","6","7","4","2","6","3","1") = "6"
    & skf21("2","6","7","4","2","6","4","1") = "6"
    & skf21("2","6","7","4","2","6","5","1") = "6"
    & skf21("2","6","7","4","2","6","6","1") = "6"
    & skf21("2","6","7","4","2","6","7","1") = "6"
    & skf21("2","6","7","4","2","7","1","1") = "6"
    & skf21("2","6","7","4","2","7","2","1") = "6"
    & skf21("2","6","7","4","2","7","3","1") = "6"
    & skf21("2","6","7","4","2","7","4","1") = "6"
    & skf21("2","6","7","4","2","7","5","1") = "6"
    & skf21("2","6","7","4","2","7","6","1") = "6"
    & skf21("2","6","7","4","2","7","7","1") = "6"
    & skf21("2","6","7","4","3","1","1","1") = "6"
    & skf21("2","6","7","4","3","1","2","1") = "6"
    & skf21("2","6","7","4","3","1","3","1") = "6"
    & skf21("2","6","7","4","3","1","4","1") = "6"
    & skf21("2","6","7","4","3","1","5","1") = "6"
    & skf21("2","6","7","4","3","1","6","1") = "6"
    & skf21("2","6","7","4","3","1","7","1") = "6"
    & skf21("2","6","7","4","3","2","1","1") = "6"
    & skf21("2","6","7","4","3","2","2","1") = "6"
    & skf21("2","6","7","4","3","2","3","1") = "6"
    & skf21("2","6","7","4","3","2","4","1") = "6"
    & skf21("2","6","7","4","3","2","5","1") = "6"
    & skf21("2","6","7","4","3","2","6","1") = "6"
    & skf21("2","6","7","4","3","2","7","1") = "6"
    & skf21("2","6","7","4","3","3","1","1") = "6"
    & skf21("2","6","7","4","3","3","2","1") = "6"
    & skf21("2","6","7","4","3","3","3","1") = "6"
    & skf21("2","6","7","4","3","3","4","1") = "6"
    & skf21("2","6","7","4","3","3","5","1") = "6"
    & skf21("2","6","7","4","3","3","6","1") = "6"
    & skf21("2","6","7","4","3","3","7","1") = "6"
    & skf21("2","6","7","4","3","4","1","1") = "6"
    & skf21("2","6","7","4","3","4","2","1") = "6"
    & skf21("2","6","7","4","3","4","3","1") = "6"
    & skf21("2","6","7","4","3","4","4","1") = "6"
    & skf21("2","6","7","4","3","4","5","1") = "6"
    & skf21("2","6","7","4","3","4","6","1") = "6"
    & skf21("2","6","7","4","3","4","7","1") = "6"
    & skf21("2","6","7","4","3","5","1","1") = "6"
    & skf21("2","6","7","4","3","5","2","1") = "6"
    & skf21("2","6","7","4","3","5","3","1") = "6"
    & skf21("2","6","7","4","3","5","4","1") = "6"
    & skf21("2","6","7","4","3","5","5","1") = "6"
    & skf21("2","6","7","4","3","5","6","1") = "6"
    & skf21("2","6","7","4","3","5","7","1") = "6"
    & skf21("2","6","7","4","3","6","1","1") = "6"
    & skf21("2","6","7","4","3","6","2","1") = "6"
    & skf21("2","6","7","4","3","6","3","1") = "6"
    & skf21("2","6","7","4","3","6","4","1") = "6"
    & skf21("2","6","7","4","3","6","5","1") = "6"
    & skf21("2","6","7","4","3","6","6","1") = "6"
    & skf21("2","6","7","4","3","6","7","1") = "6"
    & skf21("2","6","7","4","3","7","1","1") = "6"
    & skf21("2","6","7","4","3","7","2","1") = "6"
    & skf21("2","6","7","4","3","7","3","1") = "6"
    & skf21("2","6","7","4","3","7","4","1") = "6"
    & skf21("2","6","7","4","3","7","5","1") = "6"
    & skf21("2","6","7","4","3","7","6","1") = "6"
    & skf21("2","6","7","4","3","7","7","1") = "6"
    & skf21("2","6","7","4","4","1","1","1") = "6"
    & skf21("2","6","7","4","4","1","2","1") = "6"
    & skf21("2","6","7","4","4","1","3","1") = "6"
    & skf21("2","6","7","4","4","1","4","1") = "6"
    & skf21("2","6","7","4","4","1","5","1") = "6"
    & skf21("2","6","7","4","4","1","6","1") = "6"
    & skf21("2","6","7","4","4","1","7","1") = "6"
    & skf21("2","6","7","4","4","2","1","1") = "6"
    & skf21("2","6","7","4","4","2","2","1") = "6"
    & skf21("2","6","7","4","4","2","3","1") = "6"
    & skf21("2","6","7","4","4","2","4","1") = "6"
    & skf21("2","6","7","4","4","2","5","1") = "6"
    & skf21("2","6","7","4","4","2","6","1") = "6"
    & skf21("2","6","7","4","4","2","7","1") = "6"
    & skf21("2","6","7","4","4","3","1","1") = "6"
    & skf21("2","6","7","4","4","3","2","1") = "6"
    & skf21("2","6","7","4","4","3","3","1") = "6"
    & skf21("2","6","7","4","4","3","4","1") = "6"
    & skf21("2","6","7","4","4","3","5","1") = "6"
    & skf21("2","6","7","4","4","3","6","1") = "6"
    & skf21("2","6","7","4","4","3","7","1") = "6"
    & skf21("2","6","7","4","4","4","1","1") = "6"
    & skf21("2","6","7","4","4","4","2","1") = "6"
    & skf21("2","6","7","4","4","4","3","1") = "6"
    & skf21("2","6","7","4","4","4","4","1") = "6"
    & skf21("2","6","7","4","4","4","5","1") = "6"
    & skf21("2","6","7","4","4","4","6","1") = "6"
    & skf21("2","6","7","4","4","4","7","1") = "6"
    & skf21("2","6","7","4","4","5","1","1") = "6"
    & skf21("2","6","7","4","4","5","2","1") = "6"
    & skf21("2","6","7","4","4","5","3","1") = "6"
    & skf21("2","6","7","4","4","5","4","1") = "6"
    & skf21("2","6","7","4","4","5","5","1") = "6"
    & skf21("2","6","7","4","4","5","6","1") = "6"
    & skf21("2","6","7","4","4","5","7","1") = "6"
    & skf21("2","6","7","4","4","6","1","1") = "6"
    & skf21("2","6","7","4","4","6","2","1") = "6"
    & skf21("2","6","7","4","4","6","3","1") = "6"
    & skf21("2","6","7","4","4","6","4","1") = "6"
    & skf21("2","6","7","4","4","6","5","1") = "6"
    & skf21("2","6","7","4","4","6","6","1") = "6"
    & skf21("2","6","7","4","4","6","7","1") = "6"
    & skf21("2","6","7","4","4","7","1","1") = "6"
    & skf21("2","6","7","4","4","7","2","1") = "6"
    & skf21("2","6","7","4","4","7","3","1") = "6"
    & skf21("2","6","7","4","4","7","4","1") = "6"
    & skf21("2","6","7","4","4","7","5","1") = "6"
    & skf21("2","6","7","4","4","7","6","1") = "6"
    & skf21("2","6","7","4","4","7","7","1") = "6"
    & skf21("2","6","7","4","5","1","1","1") = "6"
    & skf21("2","6","7","4","5","1","2","1") = "6"
    & skf21("2","6","7","4","5","1","3","1") = "6"
    & skf21("2","6","7","4","5","1","4","1") = "6"
    & skf21("2","6","7","4","5","1","5","1") = "6"
    & skf21("2","6","7","4","5","1","6","1") = "6"
    & skf21("2","6","7","4","5","1","7","1") = "6"
    & skf21("2","6","7","4","5","2","1","1") = "6"
    & skf21("2","6","7","4","5","2","2","1") = "6"
    & skf21("2","6","7","4","5","2","3","1") = "6"
    & skf21("2","6","7","4","5","2","4","1") = "6"
    & skf21("2","6","7","4","5","2","5","1") = "6"
    & skf21("2","6","7","4","5","2","6","1") = "6"
    & skf21("2","6","7","4","5","2","7","1") = "6"
    & skf21("2","6","7","4","5","3","1","1") = "6"
    & skf21("2","6","7","4","5","3","2","1") = "6"
    & skf21("2","6","7","4","5","3","3","1") = "6"
    & skf21("2","6","7","4","5","3","4","1") = "6"
    & skf21("2","6","7","4","5","3","5","1") = "6"
    & skf21("2","6","7","4","5","3","6","1") = "6"
    & skf21("2","6","7","4","5","3","7","1") = "6"
    & skf21("2","6","7","4","5","4","1","1") = "6"
    & skf21("2","6","7","4","5","4","2","1") = "6"
    & skf21("2","6","7","4","5","4","3","1") = "6"
    & skf21("2","6","7","4","5","4","4","1") = "6"
    & skf21("2","6","7","4","5","4","5","1") = "6"
    & skf21("2","6","7","4","5","4","6","1") = "6"
    & skf21("2","6","7","4","5","4","7","1") = "6"
    & skf21("2","6","7","4","5","5","1","1") = "6"
    & skf21("2","6","7","4","5","5","2","1") = "6"
    & skf21("2","6","7","4","5","5","3","1") = "6"
    & skf21("2","6","7","4","5","5","4","1") = "6"
    & skf21("2","6","7","4","5","5","5","1") = "6"
    & skf21("2","6","7","4","5","5","6","1") = "6"
    & skf21("2","6","7","4","5","5","7","1") = "6"
    & skf21("2","6","7","4","5","6","1","1") = "6"
    & skf21("2","6","7","4","5","6","2","1") = "6"
    & skf21("2","6","7","4","5","6","3","1") = "6"
    & skf21("2","6","7","4","5","6","4","1") = "6"
    & skf21("2","6","7","4","5","6","5","1") = "6"
    & skf21("2","6","7","4","5","6","6","1") = "6"
    & skf21("2","6","7","4","5","6","7","1") = "6"
    & skf21("2","6","7","4","5","7","1","1") = "6"
    & skf21("2","6","7","4","5","7","2","1") = "6"
    & skf21("2","6","7","4","5","7","3","1") = "6"
    & skf21("2","6","7","4","5","7","4","1") = "6"
    & skf21("2","6","7","4","5","7","5","1") = "6"
    & skf21("2","6","7","4","5","7","6","1") = "6"
    & skf21("2","6","7","4","5","7","7","1") = "6"
    & skf21("2","6","7","4","6","1","1","1") = "6"
    & skf21("2","6","7","4","6","1","2","1") = "6"
    & skf21("2","6","7","4","6","1","3","1") = "6"
    & skf21("2","6","7","4","6","1","4","1") = "6"
    & skf21("2","6","7","4","6","1","5","1") = "6"
    & skf21("2","6","7","4","6","1","6","1") = "6"
    & skf21("2","6","7","4","6","1","7","1") = "6"
    & skf21("2","6","7","4","6","2","1","1") = "6"
    & skf21("2","6","7","4","6","2","2","1") = "6"
    & skf21("2","6","7","4","6","2","3","1") = "6"
    & skf21("2","6","7","4","6","2","4","1") = "6"
    & skf21("2","6","7","4","6","2","5","1") = "6"
    & skf21("2","6","7","4","6","2","6","1") = "6"
    & skf21("2","6","7","4","6","2","7","1") = "6"
    & skf21("2","6","7","4","6","3","1","1") = "6"
    & skf21("2","6","7","4","6","3","2","1") = "6"
    & skf21("2","6","7","4","6","3","3","1") = "6"
    & skf21("2","6","7","4","6","3","4","1") = "6"
    & skf21("2","6","7","4","6","3","5","1") = "6"
    & skf21("2","6","7","4","6","3","6","1") = "6"
    & skf21("2","6","7","4","6","3","7","1") = "6"
    & skf21("2","6","7","4","6","4","1","1") = "6"
    & skf21("2","6","7","4","6","4","2","1") = "6"
    & skf21("2","6","7","4","6","4","3","1") = "6"
    & skf21("2","6","7","4","6","4","4","1") = "6"
    & skf21("2","6","7","4","6","4","5","1") = "6"
    & skf21("2","6","7","4","6","4","6","1") = "6"
    & skf21("2","6","7","4","6","4","7","1") = "6"
    & skf21("2","6","7","4","6","5","1","1") = "6"
    & skf21("2","6","7","4","6","5","2","1") = "6"
    & skf21("2","6","7","4","6","5","3","1") = "6"
    & skf21("2","6","7","4","6","5","4","1") = "6"
    & skf21("2","6","7","4","6","5","5","1") = "6"
    & skf21("2","6","7","4","6","5","6","1") = "6"
    & skf21("2","6","7","4","6","5","7","1") = "6"
    & skf21("2","6","7","4","6","6","1","1") = "6"
    & skf21("2","6","7","4","6","6","2","1") = "6"
    & skf21("2","6","7","4","6","6","3","1") = "6"
    & skf21("2","6","7","4","6","6","4","1") = "6"
    & skf21("2","6","7","4","6","6","5","1") = "6"
    & skf21("2","6","7","4","6","6","6","1") = "6"
    & skf21("2","6","7","4","6","6","7","1") = "6"
    & skf21("2","6","7","4","6","7","1","1") = "6"
    & skf21("2","6","7","4","6","7","2","1") = "6"
    & skf21("2","6","7","4","6","7","3","1") = "6"
    & skf21("2","6","7","4","6","7","4","1") = "6"
    & skf21("2","6","7","4","6","7","5","1") = "6"
    & skf21("2","6","7","4","6","7","6","1") = "6"
    & skf21("2","6","7","4","6","7","7","1") = "6"
    & skf21("2","6","7","4","7","1","1","1") = "6"
    & skf21("2","6","7","4","7","1","2","1") = "6"
    & skf21("2","6","7","4","7","1","3","1") = "6"
    & skf21("2","6","7","4","7","1","4","1") = "6"
    & skf21("2","6","7","4","7","1","5","1") = "6"
    & skf21("2","6","7","4","7","1","6","1") = "6"
    & skf21("2","6","7","4","7","1","7","1") = "6"
    & skf21("2","6","7","4","7","2","1","1") = "6"
    & skf21("2","6","7","4","7","2","2","1") = "6"
    & skf21("2","6","7","4","7","2","3","1") = "6"
    & skf21("2","6","7","4","7","2","4","1") = "6"
    & skf21("2","6","7","4","7","2","5","1") = "6"
    & skf21("2","6","7","4","7","2","6","1") = "6"
    & skf21("2","6","7","4","7","2","7","1") = "6"
    & skf21("2","6","7","4","7","3","1","1") = "6"
    & skf21("2","6","7","4","7","3","2","1") = "6"
    & skf21("2","6","7","4","7","3","3","1") = "6"
    & skf21("2","6","7","4","7","3","4","1") = "6"
    & skf21("2","6","7","4","7","3","5","1") = "6"
    & skf21("2","6","7","4","7","3","6","1") = "6"
    & skf21("2","6","7","4","7","3","7","1") = "6"
    & skf21("2","6","7","4","7","4","1","1") = "6"
    & skf21("2","6","7","4","7","4","2","1") = "6"
    & skf21("2","6","7","4","7","4","3","1") = "6"
    & skf21("2","6","7","4","7","4","4","1") = "6"
    & skf21("2","6","7","4","7","4","5","1") = "6"
    & skf21("2","6","7","4","7","4","6","1") = "6"
    & skf21("2","6","7","4","7","4","7","1") = "6"
    & skf21("2","6","7","4","7","5","1","1") = "6"
    & skf21("2","6","7","4","7","5","2","1") = "6"
    & skf21("2","6","7","4","7","5","3","1") = "6"
    & skf21("2","6","7","4","7","5","4","1") = "6"
    & skf21("2","6","7","4","7","5","5","1") = "6"
    & skf21("2","6","7","4","7","5","6","1") = "6"
    & skf21("2","6","7","4","7","5","7","1") = "6"
    & skf21("2","6","7","4","7","6","1","1") = "6"
    & skf21("2","6","7","4","7","6","2","1") = "6"
    & skf21("2","6","7","4","7","6","3","1") = "6"
    & skf21("2","6","7","4","7","6","4","1") = "6"
    & skf21("2","6","7","4","7","6","5","1") = "6"
    & skf21("2","6","7","4","7","6","6","1") = "6"
    & skf21("2","6","7","4","7","6","7","1") = "6"
    & skf21("2","6","7","4","7","7","1","1") = "6"
    & skf21("2","6","7","4","7","7","2","1") = "6"
    & skf21("2","6","7","4","7","7","3","1") = "6"
    & skf21("2","6","7","4","7","7","4","1") = "6"
    & skf21("2","6","7","4","7","7","5","1") = "6"
    & skf21("2","6","7","4","7","7","6","1") = "6"
    & skf21("2","6","7","4","7","7","7","1") = "6"
    & skf21("2","6","7","5","1","1","1","1") = "6"
    & skf21("2","6","7","5","1","1","2","1") = "6"
    & skf21("2","6","7","5","1","1","3","1") = "6"
    & skf21("2","6","7","5","1","1","4","1") = "6"
    & skf21("2","6","7","5","1","1","5","1") = "6"
    & skf21("2","6","7","5","1","1","6","1") = "6"
    & skf21("2","6","7","5","1","1","7","1") = "6"
    & skf21("2","6","7","5","1","2","1","1") = "6"
    & skf21("2","6","7","5","1","2","2","1") = "6"
    & skf21("2","6","7","5","1","2","3","1") = "6"
    & skf21("2","6","7","5","1","2","4","1") = "6"
    & skf21("2","6","7","5","1","2","5","1") = "6"
    & skf21("2","6","7","5","1","2","6","1") = "6"
    & skf21("2","6","7","5","1","2","7","1") = "6"
    & skf21("2","6","7","5","1","3","1","1") = "6"
    & skf21("2","6","7","5","1","3","2","1") = "6"
    & skf21("2","6","7","5","1","3","3","1") = "6"
    & skf21("2","6","7","5","1","3","4","1") = "6"
    & skf21("2","6","7","5","1","3","5","1") = "6"
    & skf21("2","6","7","5","1","3","6","1") = "6"
    & skf21("2","6","7","5","1","3","7","1") = "6"
    & skf21("2","6","7","5","1","4","1","1") = "6"
    & skf21("2","6","7","5","1","4","2","1") = "6"
    & skf21("2","6","7","5","1","4","3","1") = "6"
    & skf21("2","6","7","5","1","4","4","1") = "6"
    & skf21("2","6","7","5","1","4","5","1") = "6"
    & skf21("2","6","7","5","1","4","6","1") = "6"
    & skf21("2","6","7","5","1","4","7","1") = "6"
    & skf21("2","6","7","5","1","5","1","1") = "6"
    & skf21("2","6","7","5","1","5","2","1") = "6"
    & skf21("2","6","7","5","1","5","3","1") = "6"
    & skf21("2","6","7","5","1","5","4","1") = "6"
    & skf21("2","6","7","5","1","5","5","1") = "6"
    & skf21("2","6","7","5","1","5","6","1") = "6"
    & skf21("2","6","7","5","1","5","7","1") = "6"
    & skf21("2","6","7","5","1","6","1","1") = "6"
    & skf21("2","6","7","5","1","6","2","1") = "6"
    & skf21("2","6","7","5","1","6","3","1") = "6"
    & skf21("2","6","7","5","1","6","4","1") = "6"
    & skf21("2","6","7","5","1","6","5","1") = "6"
    & skf21("2","6","7","5","1","6","6","1") = "6"
    & skf21("2","6","7","5","1","6","7","1") = "6"
    & skf21("2","6","7","5","1","7","1","1") = "6"
    & skf21("2","6","7","5","1","7","2","1") = "6"
    & skf21("2","6","7","5","1","7","3","1") = "6"
    & skf21("2","6","7","5","1","7","4","1") = "6"
    & skf21("2","6","7","5","1","7","5","1") = "6"
    & skf21("2","6","7","5","1","7","6","1") = "6"
    & skf21("2","6","7","5","1","7","7","1") = "6"
    & skf21("2","6","7","5","2","1","1","1") = "6"
    & skf21("2","6","7","5","2","1","2","1") = "6"
    & skf21("2","6","7","5","2","1","3","1") = "6"
    & skf21("2","6","7","5","2","1","4","1") = "6"
    & skf21("2","6","7","5","2","1","5","1") = "6"
    & skf21("2","6","7","5","2","1","6","1") = "6"
    & skf21("2","6","7","5","2","1","7","1") = "6"
    & skf21("2","6","7","5","2","2","1","1") = "6"
    & skf21("2","6","7","5","2","2","2","1") = "6"
    & skf21("2","6","7","5","2","2","3","1") = "6"
    & skf21("2","6","7","5","2","2","4","1") = "6"
    & skf21("2","6","7","5","2","2","5","1") = "6"
    & skf21("2","6","7","5","2","2","6","1") = "6"
    & skf21("2","6","7","5","2","2","7","1") = "6"
    & skf21("2","6","7","5","2","3","1","1") = "6"
    & skf21("2","6","7","5","2","3","2","1") = "6"
    & skf21("2","6","7","5","2","3","3","1") = "6"
    & skf21("2","6","7","5","2","3","4","1") = "6"
    & skf21("2","6","7","5","2","3","5","1") = "6"
    & skf21("2","6","7","5","2","3","6","1") = "6"
    & skf21("2","6","7","5","2","3","7","1") = "6"
    & skf21("2","6","7","5","2","4","1","1") = "6"
    & skf21("2","6","7","5","2","4","2","1") = "6"
    & skf21("2","6","7","5","2","4","3","1") = "6"
    & skf21("2","6","7","5","2","4","4","1") = "6"
    & skf21("2","6","7","5","2","4","5","1") = "6"
    & skf21("2","6","7","5","2","4","6","1") = "6"
    & skf21("2","6","7","5","2","4","7","1") = "6"
    & skf21("2","6","7","5","2","5","1","1") = "6"
    & skf21("2","6","7","5","2","5","2","1") = "6"
    & skf21("2","6","7","5","2","5","3","1") = "6"
    & skf21("2","6","7","5","2","5","4","1") = "6"
    & skf21("2","6","7","5","2","5","5","1") = "6"
    & skf21("2","6","7","5","2","5","6","1") = "6"
    & skf21("2","6","7","5","2","5","7","1") = "6"
    & skf21("2","6","7","5","2","6","1","1") = "6"
    & skf21("2","6","7","5","2","6","2","1") = "6"
    & skf21("2","6","7","5","2","6","3","1") = "6"
    & skf21("2","6","7","5","2","6","4","1") = "6"
    & skf21("2","6","7","5","2","6","5","1") = "6"
    & skf21("2","6","7","5","2","6","6","1") = "6"
    & skf21("2","6","7","5","2","6","7","1") = "6"
    & skf21("2","6","7","5","2","7","1","1") = "6"
    & skf21("2","6","7","5","2","7","2","1") = "6"
    & skf21("2","6","7","5","2","7","3","1") = "6"
    & skf21("2","6","7","5","2","7","4","1") = "6"
    & skf21("2","6","7","5","2","7","5","1") = "6"
    & skf21("2","6","7","5","2","7","6","1") = "6"
    & skf21("2","6","7","5","2","7","7","1") = "6"
    & skf21("2","6","7","5","3","1","1","1") = "6"
    & skf21("2","6","7","5","3","1","2","1") = "6"
    & skf21("2","6","7","5","3","1","3","1") = "6"
    & skf21("2","6","7","5","3","1","4","1") = "6"
    & skf21("2","6","7","5","3","1","5","1") = "6"
    & skf21("2","6","7","5","3","1","6","1") = "6"
    & skf21("2","6","7","5","3","1","7","1") = "6"
    & skf21("2","6","7","5","3","2","1","1") = "6"
    & skf21("2","6","7","5","3","2","2","1") = "6"
    & skf21("2","6","7","5","3","2","3","1") = "6"
    & skf21("2","6","7","5","3","2","4","1") = "6"
    & skf21("2","6","7","5","3","2","5","1") = "6"
    & skf21("2","6","7","5","3","2","6","1") = "6"
    & skf21("2","6","7","5","3","2","7","1") = "6"
    & skf21("2","6","7","5","3","3","1","1") = "6"
    & skf21("2","6","7","5","3","3","2","1") = "6"
    & skf21("2","6","7","5","3","3","3","1") = "6"
    & skf21("2","6","7","5","3","3","4","1") = "6"
    & skf21("2","6","7","5","3","3","5","1") = "6"
    & skf21("2","6","7","5","3","3","6","1") = "6"
    & skf21("2","6","7","5","3","3","7","1") = "6"
    & skf21("2","6","7","5","3","4","1","1") = "6"
    & skf21("2","6","7","5","3","4","2","1") = "6"
    & skf21("2","6","7","5","3","4","3","1") = "6"
    & skf21("2","6","7","5","3","4","4","1") = "6"
    & skf21("2","6","7","5","3","4","5","1") = "6"
    & skf21("2","6","7","5","3","4","6","1") = "6"
    & skf21("2","6","7","5","3","4","7","1") = "6"
    & skf21("2","6","7","5","3","5","1","1") = "6"
    & skf21("2","6","7","5","3","5","2","1") = "6"
    & skf21("2","6","7","5","3","5","3","1") = "6"
    & skf21("2","6","7","5","3","5","4","1") = "6"
    & skf21("2","6","7","5","3","5","5","1") = "6"
    & skf21("2","6","7","5","3","5","6","1") = "6"
    & skf21("2","6","7","5","3","5","7","1") = "6"
    & skf21("2","6","7","5","3","6","1","1") = "6"
    & skf21("2","6","7","5","3","6","2","1") = "6"
    & skf21("2","6","7","5","3","6","3","1") = "6"
    & skf21("2","6","7","5","3","6","4","1") = "6"
    & skf21("2","6","7","5","3","6","5","1") = "6"
    & skf21("2","6","7","5","3","6","6","1") = "6"
    & skf21("2","6","7","5","3","6","7","1") = "6"
    & skf21("2","6","7","5","3","7","1","1") = "6"
    & skf21("2","6","7","5","3","7","2","1") = "6"
    & skf21("2","6","7","5","3","7","3","1") = "6"
    & skf21("2","6","7","5","3","7","4","1") = "6"
    & skf21("2","6","7","5","3","7","5","1") = "6"
    & skf21("2","6","7","5","3","7","6","1") = "6"
    & skf21("2","6","7","5","3","7","7","1") = "6"
    & skf21("2","6","7","5","4","1","1","1") = "6"
    & skf21("2","6","7","5","4","1","2","1") = "6"
    & skf21("2","6","7","5","4","1","3","1") = "6"
    & skf21("2","6","7","5","4","1","4","1") = "6"
    & skf21("2","6","7","5","4","1","5","1") = "6"
    & skf21("2","6","7","5","4","1","6","1") = "6"
    & skf21("2","6","7","5","4","1","7","1") = "6"
    & skf21("2","6","7","5","4","2","1","1") = "6"
    & skf21("2","6","7","5","4","2","2","1") = "6"
    & skf21("2","6","7","5","4","2","3","1") = "6"
    & skf21("2","6","7","5","4","2","4","1") = "6"
    & skf21("2","6","7","5","4","2","5","1") = "6"
    & skf21("2","6","7","5","4","2","6","1") = "6"
    & skf21("2","6","7","5","4","2","7","1") = "6"
    & skf21("2","6","7","5","4","3","1","1") = "6"
    & skf21("2","6","7","5","4","3","2","1") = "6"
    & skf21("2","6","7","5","4","3","3","1") = "6"
    & skf21("2","6","7","5","4","3","4","1") = "6"
    & skf21("2","6","7","5","4","3","5","1") = "6"
    & skf21("2","6","7","5","4","3","6","1") = "6"
    & skf21("2","6","7","5","4","3","7","1") = "6"
    & skf21("2","6","7","5","4","4","1","1") = "6"
    & skf21("2","6","7","5","4","4","2","1") = "6"
    & skf21("2","6","7","5","4","4","3","1") = "6"
    & skf21("2","6","7","5","4","4","4","1") = "6"
    & skf21("2","6","7","5","4","4","5","1") = "6"
    & skf21("2","6","7","5","4","4","6","1") = "6"
    & skf21("2","6","7","5","4","4","7","1") = "6"
    & skf21("2","6","7","5","4","5","1","1") = "6"
    & skf21("2","6","7","5","4","5","2","1") = "6"
    & skf21("2","6","7","5","4","5","3","1") = "6"
    & skf21("2","6","7","5","4","5","4","1") = "6"
    & skf21("2","6","7","5","4","5","5","1") = "6"
    & skf21("2","6","7","5","4","5","6","1") = "6"
    & skf21("2","6","7","5","4","5","7","1") = "6"
    & skf21("2","6","7","5","4","6","1","1") = "6"
    & skf21("2","6","7","5","4","6","2","1") = "6"
    & skf21("2","6","7","5","4","6","3","1") = "6"
    & skf21("2","6","7","5","4","6","4","1") = "6"
    & skf21("2","6","7","5","4","6","5","1") = "6"
    & skf21("2","6","7","5","4","6","6","1") = "6"
    & skf21("2","6","7","5","4","6","7","1") = "6"
    & skf21("2","6","7","5","4","7","1","1") = "6"
    & skf21("2","6","7","5","4","7","2","1") = "6"
    & skf21("2","6","7","5","4","7","3","1") = "6"
    & skf21("2","6","7","5","4","7","4","1") = "6"
    & skf21("2","6","7","5","4","7","5","1") = "6"
    & skf21("2","6","7","5","4","7","6","1") = "6"
    & skf21("2","6","7","5","4","7","7","1") = "6"
    & skf21("2","6","7","5","5","1","1","1") = "6"
    & skf21("2","6","7","5","5","1","2","1") = "6"
    & skf21("2","6","7","5","5","1","3","1") = "6"
    & skf21("2","6","7","5","5","1","4","1") = "6"
    & skf21("2","6","7","5","5","1","5","1") = "6"
    & skf21("2","6","7","5","5","1","6","1") = "6"
    & skf21("2","6","7","5","5","1","7","1") = "6"
    & skf21("2","6","7","5","5","2","1","1") = "6"
    & skf21("2","6","7","5","5","2","2","1") = "6"
    & skf21("2","6","7","5","5","2","3","1") = "6"
    & skf21("2","6","7","5","5","2","4","1") = "6"
    & skf21("2","6","7","5","5","2","5","1") = "6"
    & skf21("2","6","7","5","5","2","6","1") = "6"
    & skf21("2","6","7","5","5","2","7","1") = "6"
    & skf21("2","6","7","5","5","3","1","1") = "6"
    & skf21("2","6","7","5","5","3","2","1") = "6"
    & skf21("2","6","7","5","5","3","3","1") = "6"
    & skf21("2","6","7","5","5","3","4","1") = "6"
    & skf21("2","6","7","5","5","3","5","1") = "6"
    & skf21("2","6","7","5","5","3","6","1") = "6"
    & skf21("2","6","7","5","5","3","7","1") = "6"
    & skf21("2","6","7","5","5","4","1","1") = "6"
    & skf21("2","6","7","5","5","4","2","1") = "6"
    & skf21("2","6","7","5","5","4","3","1") = "6"
    & skf21("2","6","7","5","5","4","4","1") = "6"
    & skf21("2","6","7","5","5","4","5","1") = "6"
    & skf21("2","6","7","5","5","4","6","1") = "6"
    & skf21("2","6","7","5","5","4","7","1") = "6"
    & skf21("2","6","7","5","5","5","1","1") = "6"
    & skf21("2","6","7","5","5","5","2","1") = "6"
    & skf21("2","6","7","5","5","5","3","1") = "6"
    & skf21("2","6","7","5","5","5","4","1") = "6"
    & skf21("2","6","7","5","5","5","5","1") = "6"
    & skf21("2","6","7","5","5","5","6","1") = "6"
    & skf21("2","6","7","5","5","5","7","1") = "6"
    & skf21("2","6","7","5","5","6","1","1") = "6"
    & skf21("2","6","7","5","5","6","2","1") = "6"
    & skf21("2","6","7","5","5","6","3","1") = "6"
    & skf21("2","6","7","5","5","6","4","1") = "6"
    & skf21("2","6","7","5","5","6","5","1") = "6"
    & skf21("2","6","7","5","5","6","6","1") = "6"
    & skf21("2","6","7","5","5","6","7","1") = "6"
    & skf21("2","6","7","5","5","7","1","1") = "6"
    & skf21("2","6","7","5","5","7","2","1") = "6"
    & skf21("2","6","7","5","5","7","3","1") = "6"
    & skf21("2","6","7","5","5","7","4","1") = "6"
    & skf21("2","6","7","5","5","7","5","1") = "6"
    & skf21("2","6","7","5","5","7","6","1") = "6"
    & skf21("2","6","7","5","5","7","7","1") = "6"
    & skf21("2","6","7","5","6","1","1","1") = "6"
    & skf21("2","6","7","5","6","1","2","1") = "6"
    & skf21("2","6","7","5","6","1","3","1") = "6"
    & skf21("2","6","7","5","6","1","4","1") = "6"
    & skf21("2","6","7","5","6","1","5","1") = "6"
    & skf21("2","6","7","5","6","1","6","1") = "6"
    & skf21("2","6","7","5","6","1","7","1") = "6"
    & skf21("2","6","7","5","6","2","1","1") = "6"
    & skf21("2","6","7","5","6","2","2","1") = "6"
    & skf21("2","6","7","5","6","2","3","1") = "6"
    & skf21("2","6","7","5","6","2","4","1") = "6"
    & skf21("2","6","7","5","6","2","5","1") = "6"
    & skf21("2","6","7","5","6","2","6","1") = "6"
    & skf21("2","6","7","5","6","2","7","1") = "6"
    & skf21("2","6","7","5","6","3","1","1") = "6"
    & skf21("2","6","7","5","6","3","2","1") = "6"
    & skf21("2","6","7","5","6","3","3","1") = "6"
    & skf21("2","6","7","5","6","3","4","1") = "6"
    & skf21("2","6","7","5","6","3","5","1") = "6"
    & skf21("2","6","7","5","6","3","6","1") = "6"
    & skf21("2","6","7","5","6","3","7","1") = "6"
    & skf21("2","6","7","5","6","4","1","1") = "6"
    & skf21("2","6","7","5","6","4","2","1") = "6"
    & skf21("2","6","7","5","6","4","3","1") = "6"
    & skf21("2","6","7","5","6","4","4","1") = "6"
    & skf21("2","6","7","5","6","4","5","1") = "6"
    & skf21("2","6","7","5","6","4","6","1") = "6"
    & skf21("2","6","7","5","6","4","7","1") = "6"
    & skf21("2","6","7","5","6","5","1","1") = "6"
    & skf21("2","6","7","5","6","5","2","1") = "6"
    & skf21("2","6","7","5","6","5","3","1") = "6"
    & skf21("2","6","7","5","6","5","4","1") = "6"
    & skf21("2","6","7","5","6","5","5","1") = "6"
    & skf21("2","6","7","5","6","5","6","1") = "6"
    & skf21("2","6","7","5","6","5","7","1") = "6"
    & skf21("2","6","7","5","6","6","1","1") = "6"
    & skf21("2","6","7","5","6","6","2","1") = "6"
    & skf21("2","6","7","5","6","6","3","1") = "6"
    & skf21("2","6","7","5","6","6","4","1") = "6"
    & skf21("2","6","7","5","6","6","5","1") = "6"
    & skf21("2","6","7","5","6","6","6","1") = "6"
    & skf21("2","6","7","5","6","6","7","1") = "6"
    & skf21("2","6","7","5","6","7","1","1") = "6"
    & skf21("2","6","7","5","6","7","2","1") = "6"
    & skf21("2","6","7","5","6","7","3","1") = "6"
    & skf21("2","6","7","5","6","7","4","1") = "6"
    & skf21("2","6","7","5","6","7","5","1") = "6"
    & skf21("2","6","7","5","6","7","6","1") = "6"
    & skf21("2","6","7","5","6","7","7","1") = "6"
    & skf21("2","6","7","5","7","1","1","1") = "6"
    & skf21("2","6","7","5","7","1","2","1") = "6"
    & skf21("2","6","7","5","7","1","3","1") = "6"
    & skf21("2","6","7","5","7","1","4","1") = "6"
    & skf21("2","6","7","5","7","1","5","1") = "6"
    & skf21("2","6","7","5","7","1","6","1") = "6"
    & skf21("2","6","7","5","7","1","7","1") = "6"
    & skf21("2","6","7","5","7","2","1","1") = "6"
    & skf21("2","6","7","5","7","2","2","1") = "6"
    & skf21("2","6","7","5","7","2","3","1") = "6"
    & skf21("2","6","7","5","7","2","4","1") = "6"
    & skf21("2","6","7","5","7","2","5","1") = "6"
    & skf21("2","6","7","5","7","2","6","1") = "6"
    & skf21("2","6","7","5","7","2","7","1") = "6"
    & skf21("2","6","7","5","7","3","1","1") = "6"
    & skf21("2","6","7","5","7","3","2","1") = "6"
    & skf21("2","6","7","5","7","3","3","1") = "6"
    & skf21("2","6","7","5","7","3","4","1") = "6"
    & skf21("2","6","7","5","7","3","5","1") = "6"
    & skf21("2","6","7","5","7","3","6","1") = "6"
    & skf21("2","6","7","5","7","3","7","1") = "6"
    & skf21("2","6","7","5","7","4","1","1") = "6"
    & skf21("2","6","7","5","7","4","2","1") = "6"
    & skf21("2","6","7","5","7","4","3","1") = "6"
    & skf21("2","6","7","5","7","4","4","1") = "6"
    & skf21("2","6","7","5","7","4","5","1") = "6"
    & skf21("2","6","7","5","7","4","6","1") = "6"
    & skf21("2","6","7","5","7","4","7","1") = "6"
    & skf21("2","6","7","5","7","5","1","1") = "6"
    & skf21("2","6","7","5","7","5","2","1") = "6"
    & skf21("2","6","7","5","7","5","3","1") = "6"
    & skf21("2","6","7","5","7","5","4","1") = "6"
    & skf21("2","6","7","5","7","5","5","1") = "6"
    & skf21("2","6","7","5","7","5","6","1") = "6"
    & skf21("2","6","7","5","7","5","7","1") = "6"
    & skf21("2","6","7","5","7","6","1","1") = "6"
    & skf21("2","6","7","5","7","6","2","1") = "6"
    & skf21("2","6","7","5","7","6","3","1") = "6"
    & skf21("2","6","7","5","7","6","4","1") = "6"
    & skf21("2","6","7","5","7","6","5","1") = "6"
    & skf21("2","6","7","5","7","6","6","1") = "6"
    & skf21("2","6","7","5","7","6","7","1") = "6"
    & skf21("2","6","7","5","7","7","1","1") = "6"
    & skf21("2","6","7","5","7","7","2","1") = "6"
    & skf21("2","6","7","5","7","7","3","1") = "6"
    & skf21("2","6","7","5","7","7","4","1") = "6"
    & skf21("2","6","7","5","7","7","5","1") = "6"
    & skf21("2","6","7","5","7","7","6","1") = "6"
    & skf21("2","6","7","5","7","7","7","1") = "6"
    & skf21("2","6","7","6","1","1","1","1") = "6"
    & skf21("2","6","7","6","1","1","2","1") = "6"
    & skf21("2","6","7","6","1","1","3","1") = "6"
    & skf21("2","6","7","6","1","1","4","1") = "6"
    & skf21("2","6","7","6","1","1","5","1") = "6"
    & skf21("2","6","7","6","1","1","6","1") = "6"
    & skf21("2","6","7","6","1","1","7","1") = "6"
    & skf21("2","6","7","6","1","2","1","1") = "6"
    & skf21("2","6","7","6","1","2","2","1") = "6"
    & skf21("2","6","7","6","1","2","3","1") = "6"
    & skf21("2","6","7","6","1","2","4","1") = "6"
    & skf21("2","6","7","6","1","2","5","1") = "6"
    & skf21("2","6","7","6","1","2","6","1") = "6"
    & skf21("2","6","7","6","1","2","7","1") = "6"
    & skf21("2","6","7","6","1","3","1","1") = "6"
    & skf21("2","6","7","6","1","3","2","1") = "6"
    & skf21("2","6","7","6","1","3","3","1") = "6"
    & skf21("2","6","7","6","1","3","4","1") = "6"
    & skf21("2","6","7","6","1","3","5","1") = "6"
    & skf21("2","6","7","6","1","3","6","1") = "6"
    & skf21("2","6","7","6","1","3","7","1") = "6"
    & skf21("2","6","7","6","1","4","1","1") = "6"
    & skf21("2","6","7","6","1","4","2","1") = "6"
    & skf21("2","6","7","6","1","4","3","1") = "6"
    & skf21("2","6","7","6","1","4","4","1") = "6"
    & skf21("2","6","7","6","1","4","5","1") = "6"
    & skf21("2","6","7","6","1","4","6","1") = "6"
    & skf21("2","6","7","6","1","4","7","1") = "6"
    & skf21("2","6","7","6","1","5","1","1") = "6"
    & skf21("2","6","7","6","1","5","2","1") = "6"
    & skf21("2","6","7","6","1","5","3","1") = "6"
    & skf21("2","6","7","6","1","5","4","1") = "6"
    & skf21("2","6","7","6","1","5","5","1") = "6"
    & skf21("2","6","7","6","1","5","6","1") = "6"
    & skf21("2","6","7","6","1","5","7","1") = "6"
    & skf21("2","6","7","6","1","6","1","1") = "6"
    & skf21("2","6","7","6","1","6","2","1") = "6"
    & skf21("2","6","7","6","1","6","3","1") = "6"
    & skf21("2","6","7","6","1","6","4","1") = "6"
    & skf21("2","6","7","6","1","6","5","1") = "6"
    & skf21("2","6","7","6","1","6","6","1") = "6"
    & skf21("2","6","7","6","1","6","7","1") = "6"
    & skf21("2","6","7","6","1","7","1","1") = "6"
    & skf21("2","6","7","6","1","7","2","1") = "6"
    & skf21("2","6","7","6","1","7","3","1") = "6"
    & skf21("2","6","7","6","1","7","4","1") = "6"
    & skf21("2","6","7","6","1","7","5","1") = "6"
    & skf21("2","6","7","6","1","7","6","1") = "6"
    & skf21("2","6","7","6","1","7","7","1") = "6"
    & skf21("2","6","7","6","2","1","1","1") = "6"
    & skf21("2","6","7","6","2","1","2","1") = "6"
    & skf21("2","6","7","6","2","1","3","1") = "6"
    & skf21("2","6","7","6","2","1","4","1") = "6"
    & skf21("2","6","7","6","2","1","5","1") = "6"
    & skf21("2","6","7","6","2","1","6","1") = "6"
    & skf21("2","6","7","6","2","1","7","1") = "6"
    & skf21("2","6","7","6","2","2","1","1") = "6"
    & skf21("2","6","7","6","2","2","2","1") = "6"
    & skf21("2","6","7","6","2","2","3","1") = "6"
    & skf21("2","6","7","6","2","2","4","1") = "6"
    & skf21("2","6","7","6","2","2","5","1") = "6"
    & skf21("2","6","7","6","2","2","6","1") = "6"
    & skf21("2","6","7","6","2","2","7","1") = "6"
    & skf21("2","6","7","6","2","3","1","1") = "6"
    & skf21("2","6","7","6","2","3","2","1") = "6"
    & skf21("2","6","7","6","2","3","3","1") = "6"
    & skf21("2","6","7","6","2","3","4","1") = "6"
    & skf21("2","6","7","6","2","3","5","1") = "6"
    & skf21("2","6","7","6","2","3","6","1") = "6"
    & skf21("2","6","7","6","2","3","7","1") = "6"
    & skf21("2","6","7","6","2","4","1","1") = "6"
    & skf21("2","6","7","6","2","4","2","1") = "6"
    & skf21("2","6","7","6","2","4","3","1") = "6"
    & skf21("2","6","7","6","2","4","4","1") = "6"
    & skf21("2","6","7","6","2","4","5","1") = "6"
    & skf21("2","6","7","6","2","4","6","1") = "6"
    & skf21("2","6","7","6","2","4","7","1") = "6"
    & skf21("2","6","7","6","2","5","1","1") = "6"
    & skf21("2","6","7","6","2","5","2","1") = "6"
    & skf21("2","6","7","6","2","5","3","1") = "6"
    & skf21("2","6","7","6","2","5","4","1") = "6"
    & skf21("2","6","7","6","2","5","5","1") = "6"
    & skf21("2","6","7","6","2","5","6","1") = "6"
    & skf21("2","6","7","6","2","5","7","1") = "6"
    & skf21("2","6","7","6","2","6","1","1") = "6"
    & skf21("2","6","7","6","2","6","2","1") = "6"
    & skf21("2","6","7","6","2","6","3","1") = "6"
    & skf21("2","6","7","6","2","6","4","1") = "6"
    & skf21("2","6","7","6","2","6","5","1") = "6"
    & skf21("2","6","7","6","2","6","6","1") = "6"
    & skf21("2","6","7","6","2","6","7","1") = "6"
    & skf21("2","6","7","6","2","7","1","1") = "6"
    & skf21("2","6","7","6","2","7","2","1") = "6"
    & skf21("2","6","7","6","2","7","3","1") = "6"
    & skf21("2","6","7","6","2","7","4","1") = "6"
    & skf21("2","6","7","6","2","7","5","1") = "6"
    & skf21("2","6","7","6","2","7","6","1") = "6"
    & skf21("2","6","7","6","2","7","7","1") = "6"
    & skf21("2","6","7","6","3","1","1","1") = "6"
    & skf21("2","6","7","6","3","1","2","1") = "6"
    & skf21("2","6","7","6","3","1","3","1") = "6"
    & skf21("2","6","7","6","3","1","4","1") = "6"
    & skf21("2","6","7","6","3","1","5","1") = "6"
    & skf21("2","6","7","6","3","1","6","1") = "6"
    & skf21("2","6","7","6","3","1","7","1") = "6"
    & skf21("2","6","7","6","3","2","1","1") = "6"
    & skf21("2","6","7","6","3","2","2","1") = "6"
    & skf21("2","6","7","6","3","2","3","1") = "6"
    & skf21("2","6","7","6","3","2","4","1") = "6"
    & skf21("2","6","7","6","3","2","5","1") = "6"
    & skf21("2","6","7","6","3","2","6","1") = "6"
    & skf21("2","6","7","6","3","2","7","1") = "6"
    & skf21("2","6","7","6","3","3","1","1") = "6"
    & skf21("2","6","7","6","3","3","2","1") = "6"
    & skf21("2","6","7","6","3","3","3","1") = "6"
    & skf21("2","6","7","6","3","3","4","1") = "6"
    & skf21("2","6","7","6","3","3","5","1") = "6"
    & skf21("2","6","7","6","3","3","6","1") = "6"
    & skf21("2","6","7","6","3","3","7","1") = "6"
    & skf21("2","6","7","6","3","4","1","1") = "6"
    & skf21("2","6","7","6","3","4","2","1") = "6"
    & skf21("2","6","7","6","3","4","3","1") = "6"
    & skf21("2","6","7","6","3","4","4","1") = "6"
    & skf21("2","6","7","6","3","4","5","1") = "6"
    & skf21("2","6","7","6","3","4","6","1") = "6"
    & skf21("2","6","7","6","3","4","7","1") = "6"
    & skf21("2","6","7","6","3","5","1","1") = "6"
    & skf21("2","6","7","6","3","5","2","1") = "6"
    & skf21("2","6","7","6","3","5","3","1") = "6"
    & skf21("2","6","7","6","3","5","4","1") = "6"
    & skf21("2","6","7","6","3","5","5","1") = "6"
    & skf21("2","6","7","6","3","5","6","1") = "6"
    & skf21("2","6","7","6","3","5","7","1") = "6"
    & skf21("2","6","7","6","3","6","1","1") = "6"
    & skf21("2","6","7","6","3","6","2","1") = "6"
    & skf21("2","6","7","6","3","6","3","1") = "6"
    & skf21("2","6","7","6","3","6","4","1") = "6"
    & skf21("2","6","7","6","3","6","5","1") = "6"
    & skf21("2","6","7","6","3","6","6","1") = "6"
    & skf21("2","6","7","6","3","6","7","1") = "6"
    & skf21("2","6","7","6","3","7","1","1") = "6"
    & skf21("2","6","7","6","3","7","2","1") = "6"
    & skf21("2","6","7","6","3","7","3","1") = "6"
    & skf21("2","6","7","6","3","7","4","1") = "6"
    & skf21("2","6","7","6","3","7","5","1") = "6"
    & skf21("2","6","7","6","3","7","6","1") = "6"
    & skf21("2","6","7","6","3","7","7","1") = "6"
    & skf21("2","6","7","6","4","1","1","1") = "6"
    & skf21("2","6","7","6","4","1","2","1") = "6"
    & skf21("2","6","7","6","4","1","3","1") = "6"
    & skf21("2","6","7","6","4","1","4","1") = "6"
    & skf21("2","6","7","6","4","1","5","1") = "6"
    & skf21("2","6","7","6","4","1","6","1") = "6"
    & skf21("2","6","7","6","4","1","7","1") = "6"
    & skf21("2","6","7","6","4","2","1","1") = "6"
    & skf21("2","6","7","6","4","2","2","1") = "6"
    & skf21("2","6","7","6","4","2","3","1") = "6"
    & skf21("2","6","7","6","4","2","4","1") = "6"
    & skf21("2","6","7","6","4","2","5","1") = "6"
    & skf21("2","6","7","6","4","2","6","1") = "6"
    & skf21("2","6","7","6","4","2","7","1") = "6"
    & skf21("2","6","7","6","4","3","1","1") = "6"
    & skf21("2","6","7","6","4","3","2","1") = "6"
    & skf21("2","6","7","6","4","3","3","1") = "6"
    & skf21("2","6","7","6","4","3","4","1") = "6"
    & skf21("2","6","7","6","4","3","5","1") = "6"
    & skf21("2","6","7","6","4","3","6","1") = "6"
    & skf21("2","6","7","6","4","3","7","1") = "6"
    & skf21("2","6","7","6","4","4","1","1") = "6"
    & skf21("2","6","7","6","4","4","2","1") = "6"
    & skf21("2","6","7","6","4","4","3","1") = "6"
    & skf21("2","6","7","6","4","4","4","1") = "6"
    & skf21("2","6","7","6","4","4","5","1") = "6"
    & skf21("2","6","7","6","4","4","6","1") = "6"
    & skf21("2","6","7","6","4","4","7","1") = "6"
    & skf21("2","6","7","6","4","5","1","1") = "6"
    & skf21("2","6","7","6","4","5","2","1") = "6"
    & skf21("2","6","7","6","4","5","3","1") = "6"
    & skf21("2","6","7","6","4","5","4","1") = "6"
    & skf21("2","6","7","6","4","5","5","1") = "6"
    & skf21("2","6","7","6","4","5","6","1") = "6"
    & skf21("2","6","7","6","4","5","7","1") = "6"
    & skf21("2","6","7","6","4","6","1","1") = "6"
    & skf21("2","6","7","6","4","6","2","1") = "6"
    & skf21("2","6","7","6","4","6","3","1") = "6"
    & skf21("2","6","7","6","4","6","4","1") = "6"
    & skf21("2","6","7","6","4","6","5","1") = "6"
    & skf21("2","6","7","6","4","6","6","1") = "6"
    & skf21("2","6","7","6","4","6","7","1") = "6"
    & skf21("2","6","7","6","4","7","1","1") = "6"
    & skf21("2","6","7","6","4","7","2","1") = "6"
    & skf21("2","6","7","6","4","7","3","1") = "6"
    & skf21("2","6","7","6","4","7","4","1") = "6"
    & skf21("2","6","7","6","4","7","5","1") = "6"
    & skf21("2","6","7","6","4","7","6","1") = "6"
    & skf21("2","6","7","6","4","7","7","1") = "6"
    & skf21("2","6","7","6","5","1","1","1") = "6"
    & skf21("2","6","7","6","5","1","2","1") = "6"
    & skf21("2","6","7","6","5","1","3","1") = "6"
    & skf21("2","6","7","6","5","1","4","1") = "6"
    & skf21("2","6","7","6","5","1","5","1") = "6"
    & skf21("2","6","7","6","5","1","6","1") = "6"
    & skf21("2","6","7","6","5","1","7","1") = "6"
    & skf21("2","6","7","6","5","2","1","1") = "6"
    & skf21("2","6","7","6","5","2","2","1") = "6"
    & skf21("2","6","7","6","5","2","3","1") = "6"
    & skf21("2","6","7","6","5","2","4","1") = "6"
    & skf21("2","6","7","6","5","2","5","1") = "6"
    & skf21("2","6","7","6","5","2","6","1") = "6"
    & skf21("2","6","7","6","5","2","7","1") = "6"
    & skf21("2","6","7","6","5","3","1","1") = "6"
    & skf21("2","6","7","6","5","3","2","1") = "6"
    & skf21("2","6","7","6","5","3","3","1") = "6"
    & skf21("2","6","7","6","5","3","4","1") = "6"
    & skf21("2","6","7","6","5","3","5","1") = "6"
    & skf21("2","6","7","6","5","3","6","1") = "6"
    & skf21("2","6","7","6","5","3","7","1") = "6"
    & skf21("2","6","7","6","5","4","1","1") = "6"
    & skf21("2","6","7","6","5","4","2","1") = "6"
    & skf21("2","6","7","6","5","4","3","1") = "6"
    & skf21("2","6","7","6","5","4","4","1") = "6"
    & skf21("2","6","7","6","5","4","5","1") = "6"
    & skf21("2","6","7","6","5","4","6","1") = "6"
    & skf21("2","6","7","6","5","4","7","1") = "6"
    & skf21("2","6","7","6","5","5","1","1") = "6"
    & skf21("2","6","7","6","5","5","2","1") = "6"
    & skf21("2","6","7","6","5","5","3","1") = "6"
    & skf21("2","6","7","6","5","5","4","1") = "6"
    & skf21("2","6","7","6","5","5","5","1") = "6"
    & skf21("2","6","7","6","5","5","6","1") = "6"
    & skf21("2","6","7","6","5","5","7","1") = "6"
    & skf21("2","6","7","6","5","6","1","1") = "6"
    & skf21("2","6","7","6","5","6","2","1") = "6"
    & skf21("2","6","7","6","5","6","3","1") = "6"
    & skf21("2","6","7","6","5","6","4","1") = "6"
    & skf21("2","6","7","6","5","6","5","1") = "6"
    & skf21("2","6","7","6","5","6","6","1") = "6"
    & skf21("2","6","7","6","5","6","7","1") = "6"
    & skf21("2","6","7","6","5","7","1","1") = "6"
    & skf21("2","6","7","6","5","7","2","1") = "6"
    & skf21("2","6","7","6","5","7","3","1") = "6"
    & skf21("2","6","7","6","5","7","4","1") = "6"
    & skf21("2","6","7","6","5","7","5","1") = "6"
    & skf21("2","6","7","6","5","7","6","1") = "6"
    & skf21("2","6","7","6","5","7","7","1") = "6"
    & skf21("2","6","7","6","6","1","1","1") = "6"
    & skf21("2","6","7","6","6","1","2","1") = "6"
    & skf21("2","6","7","6","6","1","3","1") = "6"
    & skf21("2","6","7","6","6","1","4","1") = "6"
    & skf21("2","6","7","6","6","1","5","1") = "6"
    & skf21("2","6","7","6","6","1","6","1") = "6"
    & skf21("2","6","7","6","6","1","7","1") = "6"
    & skf21("2","6","7","6","6","2","1","1") = "6"
    & skf21("2","6","7","6","6","2","2","1") = "6"
    & skf21("2","6","7","6","6","2","3","1") = "6"
    & skf21("2","6","7","6","6","2","4","1") = "6"
    & skf21("2","6","7","6","6","2","5","1") = "6"
    & skf21("2","6","7","6","6","2","6","1") = "6"
    & skf21("2","6","7","6","6","2","7","1") = "6"
    & skf21("2","6","7","6","6","3","1","1") = "6"
    & skf21("2","6","7","6","6","3","2","1") = "6"
    & skf21("2","6","7","6","6","3","3","1") = "6"
    & skf21("2","6","7","6","6","3","4","1") = "6"
    & skf21("2","6","7","6","6","3","5","1") = "6"
    & skf21("2","6","7","6","6","3","6","1") = "6"
    & skf21("2","6","7","6","6","3","7","1") = "6"
    & skf21("2","6","7","6","6","4","1","1") = "6"
    & skf21("2","6","7","6","6","4","2","1") = "6"
    & skf21("2","6","7","6","6","4","3","1") = "6"
    & skf21("2","6","7","6","6","4","4","1") = "6"
    & skf21("2","6","7","6","6","4","5","1") = "6"
    & skf21("2","6","7","6","6","4","6","1") = "6"
    & skf21("2","6","7","6","6","4","7","1") = "6"
    & skf21("2","6","7","6","6","5","1","1") = "6"
    & skf21("2","6","7","6","6","5","2","1") = "6"
    & skf21("2","6","7","6","6","5","3","1") = "6"
    & skf21("2","6","7","6","6","5","4","1") = "6"
    & skf21("2","6","7","6","6","5","5","1") = "6"
    & skf21("2","6","7","6","6","5","6","1") = "6"
    & skf21("2","6","7","6","6","5","7","1") = "6"
    & skf21("2","6","7","6","6","6","1","1") = "6"
    & skf21("2","6","7","6","6","6","2","1") = "6"
    & skf21("2","6","7","6","6","6","3","1") = "6"
    & skf21("2","6","7","6","6","6","4","1") = "6"
    & skf21("2","6","7","6","6","6","5","1") = "6"
    & skf21("2","6","7","6","6","6","6","1") = "6"
    & skf21("2","6","7","6","6","6","7","1") = "6"
    & skf21("2","6","7","6","6","7","1","1") = "6"
    & skf21("2","6","7","6","6","7","2","1") = "6"
    & skf21("2","6","7","6","6","7","3","1") = "6"
    & skf21("2","6","7","6","6","7","4","1") = "6"
    & skf21("2","6","7","6","6","7","5","1") = "6"
    & skf21("2","6","7","6","6","7","6","1") = "6"
    & skf21("2","6","7","6","6","7","7","1") = "6"
    & skf21("2","6","7","6","7","1","1","1") = "6"
    & skf21("2","6","7","6","7","1","2","1") = "6"
    & skf21("2","6","7","6","7","1","3","1") = "6"
    & skf21("2","6","7","6","7","1","4","1") = "6"
    & skf21("2","6","7","6","7","1","5","1") = "6"
    & skf21("2","6","7","6","7","1","6","1") = "6"
    & skf21("2","6","7","6","7","1","7","1") = "6"
    & skf21("2","6","7","6","7","2","1","1") = "6"
    & skf21("2","6","7","6","7","2","2","1") = "6"
    & skf21("2","6","7","6","7","2","3","1") = "6"
    & skf21("2","6","7","6","7","2","4","1") = "6"
    & skf21("2","6","7","6","7","2","5","1") = "6"
    & skf21("2","6","7","6","7","2","6","1") = "6"
    & skf21("2","6","7","6","7","2","7","1") = "6"
    & skf21("2","6","7","6","7","3","1","1") = "6"
    & skf21("2","6","7","6","7","3","2","1") = "6"
    & skf21("2","6","7","6","7","3","3","1") = "6"
    & skf21("2","6","7","6","7","3","4","1") = "6"
    & skf21("2","6","7","6","7","3","5","1") = "6"
    & skf21("2","6","7","6","7","3","6","1") = "6"
    & skf21("2","6","7","6","7","3","7","1") = "6"
    & skf21("2","6","7","6","7","4","1","1") = "6"
    & skf21("2","6","7","6","7","4","2","1") = "6"
    & skf21("2","6","7","6","7","4","3","1") = "6"
    & skf21("2","6","7","6","7","4","4","1") = "6"
    & skf21("2","6","7","6","7","4","5","1") = "6"
    & skf21("2","6","7","6","7","4","6","1") = "6"
    & skf21("2","6","7","6","7","4","7","1") = "6"
    & skf21("2","6","7","6","7","5","1","1") = "6"
    & skf21("2","6","7","6","7","5","2","1") = "6"
    & skf21("2","6","7","6","7","5","3","1") = "6"
    & skf21("2","6","7","6","7","5","4","1") = "6"
    & skf21("2","6","7","6","7","5","5","1") = "6"
    & skf21("2","6","7","6","7","5","6","1") = "6"
    & skf21("2","6","7","6","7","5","7","1") = "6"
    & skf21("2","6","7","6","7","6","1","1") = "6"
    & skf21("2","6","7","6","7","6","2","1") = "6"
    & skf21("2","6","7","6","7","6","3","1") = "6"
    & skf21("2","6","7","6","7","6","4","1") = "6"
    & skf21("2","6","7","6","7","6","5","1") = "6"
    & skf21("2","6","7","6","7","6","6","1") = "6"
    & skf21("2","6","7","6","7","6","7","1") = "6"
    & skf21("2","6","7","6","7","7","1","1") = "6"
    & skf21("2","6","7","6","7","7","2","1") = "6"
    & skf21("2","6","7","6","7","7","3","1") = "6"
    & skf21("2","6","7","6","7","7","4","1") = "6"
    & skf21("2","6","7","6","7","7","5","1") = "6"
    & skf21("2","6","7","6","7","7","6","1") = "6"
    & skf21("2","6","7","6","7","7","7","1") = "6"
    & skf21("2","6","7","7","1","1","1","1") = "6"
    & skf21("2","6","7","7","1","1","2","1") = "6"
    & skf21("2","6","7","7","1","1","3","1") = "6"
    & skf21("2","6","7","7","1","1","4","1") = "6"
    & skf21("2","6","7","7","1","1","5","1") = "6"
    & skf21("2","6","7","7","1","1","6","1") = "6"
    & skf21("2","6","7","7","1","1","7","1") = "6"
    & skf21("2","6","7","7","1","2","1","1") = "6"
    & skf21("2","6","7","7","1","2","2","1") = "6"
    & skf21("2","6","7","7","1","2","3","1") = "6"
    & skf21("2","6","7","7","1","2","4","1") = "6"
    & skf21("2","6","7","7","1","2","5","1") = "6"
    & skf21("2","6","7","7","1","2","6","1") = "6"
    & skf21("2","6","7","7","1","2","7","1") = "6"
    & skf21("2","6","7","7","1","3","1","1") = "6"
    & skf21("2","6","7","7","1","3","2","1") = "6"
    & skf21("2","6","7","7","1","3","3","1") = "6"
    & skf21("2","6","7","7","1","3","4","1") = "6"
    & skf21("2","6","7","7","1","3","5","1") = "6"
    & skf21("2","6","7","7","1","3","6","1") = "6"
    & skf21("2","6","7","7","1","3","7","1") = "6"
    & skf21("2","6","7","7","1","4","1","1") = "6"
    & skf21("2","6","7","7","1","4","2","1") = "6"
    & skf21("2","6","7","7","1","4","3","1") = "6"
    & skf21("2","6","7","7","1","4","4","1") = "6"
    & skf21("2","6","7","7","1","4","5","1") = "6"
    & skf21("2","6","7","7","1","4","6","1") = "6"
    & skf21("2","6","7","7","1","4","7","1") = "6"
    & skf21("2","6","7","7","1","5","1","1") = "6"
    & skf21("2","6","7","7","1","5","2","1") = "6"
    & skf21("2","6","7","7","1","5","3","1") = "6"
    & skf21("2","6","7","7","1","5","4","1") = "6"
    & skf21("2","6","7","7","1","5","5","1") = "6"
    & skf21("2","6","7","7","1","5","6","1") = "6"
    & skf21("2","6","7","7","1","5","7","1") = "6"
    & skf21("2","6","7","7","1","6","1","1") = "6"
    & skf21("2","6","7","7","1","6","2","1") = "6"
    & skf21("2","6","7","7","1","6","3","1") = "6"
    & skf21("2","6","7","7","1","6","4","1") = "6"
    & skf21("2","6","7","7","1","6","5","1") = "6"
    & skf21("2","6","7","7","1","6","6","1") = "6"
    & skf21("2","6","7","7","1","6","7","1") = "6"
    & skf21("2","6","7","7","1","7","1","1") = "6"
    & skf21("2","6","7","7","1","7","2","1") = "6"
    & skf21("2","6","7","7","1","7","3","1") = "6"
    & skf21("2","6","7","7","1","7","4","1") = "6"
    & skf21("2","6","7","7","1","7","5","1") = "6"
    & skf21("2","6","7","7","1","7","6","1") = "6"
    & skf21("2","6","7","7","1","7","7","1") = "6"
    & skf21("2","6","7","7","2","1","1","1") = "6"
    & skf21("2","6","7","7","2","1","2","1") = "6"
    & skf21("2","6","7","7","2","1","3","1") = "6"
    & skf21("2","6","7","7","2","1","4","1") = "6"
    & skf21("2","6","7","7","2","1","5","1") = "6"
    & skf21("2","6","7","7","2","1","6","1") = "6"
    & skf21("2","6","7","7","2","1","7","1") = "6"
    & skf21("2","6","7","7","2","2","1","1") = "6"
    & skf21("2","6","7","7","2","2","2","1") = "6"
    & skf21("2","6","7","7","2","2","3","1") = "6"
    & skf21("2","6","7","7","2","2","4","1") = "6"
    & skf21("2","6","7","7","2","2","5","1") = "6"
    & skf21("2","6","7","7","2","2","6","1") = "6"
    & skf21("2","6","7","7","2","2","7","1") = "6"
    & skf21("2","6","7","7","2","3","1","1") = "6"
    & skf21("2","6","7","7","2","3","2","1") = "6"
    & skf21("2","6","7","7","2","3","3","1") = "6"
    & skf21("2","6","7","7","2","3","4","1") = "6"
    & skf21("2","6","7","7","2","3","5","1") = "6"
    & skf21("2","6","7","7","2","3","6","1") = "6"
    & skf21("2","6","7","7","2","3","7","1") = "6"
    & skf21("2","6","7","7","2","4","1","1") = "6"
    & skf21("2","6","7","7","2","4","2","1") = "6"
    & skf21("2","6","7","7","2","4","3","1") = "6"
    & skf21("2","6","7","7","2","4","4","1") = "6"
    & skf21("2","6","7","7","2","4","5","1") = "6"
    & skf21("2","6","7","7","2","4","6","1") = "6"
    & skf21("2","6","7","7","2","4","7","1") = "6"
    & skf21("2","6","7","7","2","5","1","1") = "6"
    & skf21("2","6","7","7","2","5","2","1") = "6"
    & skf21("2","6","7","7","2","5","3","1") = "6"
    & skf21("2","6","7","7","2","5","4","1") = "6"
    & skf21("2","6","7","7","2","5","5","1") = "6"
    & skf21("2","6","7","7","2","5","6","1") = "6"
    & skf21("2","6","7","7","2","5","7","1") = "6"
    & skf21("2","6","7","7","2","6","1","1") = "6"
    & skf21("2","6","7","7","2","6","2","1") = "6"
    & skf21("2","6","7","7","2","6","3","1") = "6"
    & skf21("2","6","7","7","2","6","4","1") = "6"
    & skf21("2","6","7","7","2","6","5","1") = "6"
    & skf21("2","6","7","7","2","6","6","1") = "6"
    & skf21("2","6","7","7","2","6","7","1") = "6"
    & skf21("2","6","7","7","2","7","1","1") = "6"
    & skf21("2","6","7","7","2","7","2","1") = "6"
    & skf21("2","6","7","7","2","7","3","1") = "6"
    & skf21("2","6","7","7","2","7","4","1") = "6"
    & skf21("2","6","7","7","2","7","5","1") = "6"
    & skf21("2","6","7","7","2","7","6","1") = "6"
    & skf21("2","6","7","7","2","7","7","1") = "6"
    & skf21("2","6","7","7","3","1","1","1") = "6"
    & skf21("2","6","7","7","3","1","2","1") = "6"
    & skf21("2","6","7","7","3","1","3","1") = "6"
    & skf21("2","6","7","7","3","1","4","1") = "6"
    & skf21("2","6","7","7","3","1","5","1") = "6"
    & skf21("2","6","7","7","3","1","6","1") = "6"
    & skf21("2","6","7","7","3","1","7","1") = "6"
    & skf21("2","6","7","7","3","2","1","1") = "6"
    & skf21("2","6","7","7","3","2","2","1") = "6"
    & skf21("2","6","7","7","3","2","3","1") = "6"
    & skf21("2","6","7","7","3","2","4","1") = "6"
    & skf21("2","6","7","7","3","2","5","1") = "6"
    & skf21("2","6","7","7","3","2","6","1") = "6"
    & skf21("2","6","7","7","3","2","7","1") = "6"
    & skf21("2","6","7","7","3","3","1","1") = "6"
    & skf21("2","6","7","7","3","3","2","1") = "6"
    & skf21("2","6","7","7","3","3","3","1") = "6"
    & skf21("2","6","7","7","3","3","4","1") = "6"
    & skf21("2","6","7","7","3","3","5","1") = "6"
    & skf21("2","6","7","7","3","3","6","1") = "6"
    & skf21("2","6","7","7","3","3","7","1") = "6"
    & skf21("2","6","7","7","3","4","1","1") = "6"
    & skf21("2","6","7","7","3","4","2","1") = "6"
    & skf21("2","6","7","7","3","4","3","1") = "6"
    & skf21("2","6","7","7","3","4","4","1") = "6"
    & skf21("2","6","7","7","3","4","5","1") = "6"
    & skf21("2","6","7","7","3","4","6","1") = "6"
    & skf21("2","6","7","7","3","4","7","1") = "6"
    & skf21("2","6","7","7","3","5","1","1") = "6"
    & skf21("2","6","7","7","3","5","2","1") = "6"
    & skf21("2","6","7","7","3","5","3","1") = "6"
    & skf21("2","6","7","7","3","5","4","1") = "6"
    & skf21("2","6","7","7","3","5","5","1") = "6"
    & skf21("2","6","7","7","3","5","6","1") = "6"
    & skf21("2","6","7","7","3","5","7","1") = "6"
    & skf21("2","6","7","7","3","6","1","1") = "6"
    & skf21("2","6","7","7","3","6","2","1") = "6"
    & skf21("2","6","7","7","3","6","3","1") = "6"
    & skf21("2","6","7","7","3","6","4","1") = "6"
    & skf21("2","6","7","7","3","6","5","1") = "6"
    & skf21("2","6","7","7","3","6","6","1") = "6"
    & skf21("2","6","7","7","3","6","7","1") = "6"
    & skf21("2","6","7","7","3","7","1","1") = "6"
    & skf21("2","6","7","7","3","7","2","1") = "6"
    & skf21("2","6","7","7","3","7","3","1") = "6"
    & skf21("2","6","7","7","3","7","4","1") = "6"
    & skf21("2","6","7","7","3","7","5","1") = "6"
    & skf21("2","6","7","7","3","7","6","1") = "6"
    & skf21("2","6","7","7","3","7","7","1") = "6"
    & skf21("2","6","7","7","4","1","1","1") = "6"
    & skf21("2","6","7","7","4","1","2","1") = "6"
    & skf21("2","6","7","7","4","1","3","1") = "6"
    & skf21("2","6","7","7","4","1","4","1") = "6"
    & skf21("2","6","7","7","4","1","5","1") = "6"
    & skf21("2","6","7","7","4","1","6","1") = "6"
    & skf21("2","6","7","7","4","1","7","1") = "6"
    & skf21("2","6","7","7","4","2","1","1") = "6"
    & skf21("2","6","7","7","4","2","2","1") = "6"
    & skf21("2","6","7","7","4","2","3","1") = "6"
    & skf21("2","6","7","7","4","2","4","1") = "6"
    & skf21("2","6","7","7","4","2","5","1") = "6"
    & skf21("2","6","7","7","4","2","6","1") = "6"
    & skf21("2","6","7","7","4","2","7","1") = "6"
    & skf21("2","6","7","7","4","3","1","1") = "6"
    & skf21("2","6","7","7","4","3","2","1") = "6"
    & skf21("2","6","7","7","4","3","3","1") = "6"
    & skf21("2","6","7","7","4","3","4","1") = "6"
    & skf21("2","6","7","7","4","3","5","1") = "6"
    & skf21("2","6","7","7","4","3","6","1") = "6"
    & skf21("2","6","7","7","4","3","7","1") = "6"
    & skf21("2","6","7","7","4","4","1","1") = "6"
    & skf21("2","6","7","7","4","4","2","1") = "6"
    & skf21("2","6","7","7","4","4","3","1") = "6"
    & skf21("2","6","7","7","4","4","4","1") = "6"
    & skf21("2","6","7","7","4","4","5","1") = "6"
    & skf21("2","6","7","7","4","4","6","1") = "6"
    & skf21("2","6","7","7","4","4","7","1") = "6"
    & skf21("2","6","7","7","4","5","1","1") = "6"
    & skf21("2","6","7","7","4","5","2","1") = "6"
    & skf21("2","6","7","7","4","5","3","1") = "6"
    & skf21("2","6","7","7","4","5","4","1") = "6"
    & skf21("2","6","7","7","4","5","5","1") = "6"
    & skf21("2","6","7","7","4","5","6","1") = "6"
    & skf21("2","6","7","7","4","5","7","1") = "6"
    & skf21("2","6","7","7","4","6","1","1") = "6"
    & skf21("2","6","7","7","4","6","2","1") = "6"
    & skf21("2","6","7","7","4","6","3","1") = "6"
    & skf21("2","6","7","7","4","6","4","1") = "6"
    & skf21("2","6","7","7","4","6","5","1") = "6"
    & skf21("2","6","7","7","4","6","6","1") = "6"
    & skf21("2","6","7","7","4","6","7","1") = "6"
    & skf21("2","6","7","7","4","7","1","1") = "6"
    & skf21("2","6","7","7","4","7","2","1") = "6"
    & skf21("2","6","7","7","4","7","3","1") = "6"
    & skf21("2","6","7","7","4","7","4","1") = "6"
    & skf21("2","6","7","7","4","7","5","1") = "6"
    & skf21("2","6","7","7","4","7","6","1") = "6"
    & skf21("2","6","7","7","4","7","7","1") = "6"
    & skf21("2","6","7","7","5","1","1","1") = "6"
    & skf21("2","6","7","7","5","1","2","1") = "6"
    & skf21("2","6","7","7","5","1","3","1") = "6"
    & skf21("2","6","7","7","5","1","4","1") = "6"
    & skf21("2","6","7","7","5","1","5","1") = "6"
    & skf21("2","6","7","7","5","1","6","1") = "6"
    & skf21("2","6","7","7","5","1","7","1") = "6"
    & skf21("2","6","7","7","5","2","1","1") = "6"
    & skf21("2","6","7","7","5","2","2","1") = "6"
    & skf21("2","6","7","7","5","2","3","1") = "6"
    & skf21("2","6","7","7","5","2","4","1") = "6"
    & skf21("2","6","7","7","5","2","5","1") = "6"
    & skf21("2","6","7","7","5","2","6","1") = "6"
    & skf21("2","6","7","7","5","2","7","1") = "6"
    & skf21("2","6","7","7","5","3","1","1") = "6"
    & skf21("2","6","7","7","5","3","2","1") = "6"
    & skf21("2","6","7","7","5","3","3","1") = "6"
    & skf21("2","6","7","7","5","3","4","1") = "6"
    & skf21("2","6","7","7","5","3","5","1") = "6"
    & skf21("2","6","7","7","5","3","6","1") = "6"
    & skf21("2","6","7","7","5","3","7","1") = "6"
    & skf21("2","6","7","7","5","4","1","1") = "6"
    & skf21("2","6","7","7","5","4","2","1") = "6"
    & skf21("2","6","7","7","5","4","3","1") = "6"
    & skf21("2","6","7","7","5","4","4","1") = "6"
    & skf21("2","6","7","7","5","4","5","1") = "6"
    & skf21("2","6","7","7","5","4","6","1") = "6"
    & skf21("2","6","7","7","5","4","7","1") = "6"
    & skf21("2","6","7","7","5","5","1","1") = "6"
    & skf21("2","6","7","7","5","5","2","1") = "6"
    & skf21("2","6","7","7","5","5","3","1") = "6"
    & skf21("2","6","7","7","5","5","4","1") = "6"
    & skf21("2","6","7","7","5","5","5","1") = "6"
    & skf21("2","6","7","7","5","5","6","1") = "6"
    & skf21("2","6","7","7","5","5","7","1") = "6"
    & skf21("2","6","7","7","5","6","1","1") = "6"
    & skf21("2","6","7","7","5","6","2","1") = "6"
    & skf21("2","6","7","7","5","6","3","1") = "6"
    & skf21("2","6","7","7","5","6","4","1") = "6"
    & skf21("2","6","7","7","5","6","5","1") = "6"
    & skf21("2","6","7","7","5","6","6","1") = "6"
    & skf21("2","6","7","7","5","6","7","1") = "6"
    & skf21("2","6","7","7","5","7","1","1") = "6"
    & skf21("2","6","7","7","5","7","2","1") = "6"
    & skf21("2","6","7","7","5","7","3","1") = "6"
    & skf21("2","6","7","7","5","7","4","1") = "6"
    & skf21("2","6","7","7","5","7","5","1") = "6"
    & skf21("2","6","7","7","5","7","6","1") = "6"
    & skf21("2","6","7","7","5","7","7","1") = "6"
    & skf21("2","6","7","7","6","1","1","1") = "6"
    & skf21("2","6","7","7","6","1","2","1") = "6"
    & skf21("2","6","7","7","6","1","3","1") = "6"
    & skf21("2","6","7","7","6","1","4","1") = "6"
    & skf21("2","6","7","7","6","1","5","1") = "6"
    & skf21("2","6","7","7","6","1","6","1") = "6"
    & skf21("2","6","7","7","6","1","7","1") = "6"
    & skf21("2","6","7","7","6","2","1","1") = "6"
    & skf21("2","6","7","7","6","2","2","1") = "6"
    & skf21("2","6","7","7","6","2","3","1") = "6"
    & skf21("2","6","7","7","6","2","4","1") = "6"
    & skf21("2","6","7","7","6","2","5","1") = "6"
    & skf21("2","6","7","7","6","2","6","1") = "6"
    & skf21("2","6","7","7","6","2","7","1") = "6"
    & skf21("2","6","7","7","6","3","1","1") = "6"
    & skf21("2","6","7","7","6","3","2","1") = "6"
    & skf21("2","6","7","7","6","3","3","1") = "6"
    & skf21("2","6","7","7","6","3","4","1") = "6"
    & skf21("2","6","7","7","6","3","5","1") = "6"
    & skf21("2","6","7","7","6","3","6","1") = "6"
    & skf21("2","6","7","7","6","3","7","1") = "6"
    & skf21("2","6","7","7","6","4","1","1") = "6"
    & skf21("2","6","7","7","6","4","2","1") = "6"
    & skf21("2","6","7","7","6","4","3","1") = "6"
    & skf21("2","6","7","7","6","4","4","1") = "6"
    & skf21("2","6","7","7","6","4","5","1") = "6"
    & skf21("2","6","7","7","6","4","6","1") = "6"
    & skf21("2","6","7","7","6","4","7","1") = "6"
    & skf21("2","6","7","7","6","5","1","1") = "6"
    & skf21("2","6","7","7","6","5","2","1") = "6"
    & skf21("2","6","7","7","6","5","3","1") = "6"
    & skf21("2","6","7","7","6","5","4","1") = "6"
    & skf21("2","6","7","7","6","5","5","1") = "6"
    & skf21("2","6","7","7","6","5","6","1") = "6"
    & skf21("2","6","7","7","6","5","7","1") = "6"
    & skf21("2","6","7","7","6","6","1","1") = "6"
    & skf21("2","6","7","7","6","6","2","1") = "6"
    & skf21("2","6","7","7","6","6","3","1") = "6"
    & skf21("2","6","7","7","6","6","4","1") = "6"
    & skf21("2","6","7","7","6","6","5","1") = "6"
    & skf21("2","6","7","7","6","6","6","1") = "6"
    & skf21("2","6","7","7","6","6","7","1") = "6"
    & skf21("2","6","7","7","6","7","1","1") = "6"
    & skf21("2","6","7","7","6","7","2","1") = "6"
    & skf21("2","6","7","7","6","7","3","1") = "6"
    & skf21("2","6","7","7","6","7","4","1") = "6"
    & skf21("2","6","7","7","6","7","5","1") = "6"
    & skf21("2","6","7","7","6","7","6","1") = "6"
    & skf21("2","6","7","7","6","7","7","1") = "6"
    & skf21("2","6","7","7","7","1","1","1") = "6"
    & skf21("2","6","7","7","7","1","2","1") = "6"
    & skf21("2","6","7","7","7","1","3","1") = "6"
    & skf21("2","6","7","7","7","1","4","1") = "6"
    & skf21("2","6","7","7","7","1","5","1") = "6"
    & skf21("2","6","7","7","7","1","6","1") = "6"
    & skf21("2","6","7","7","7","1","7","1") = "6"
    & skf21("2","6","7","7","7","2","1","1") = "6"
    & skf21("2","6","7","7","7","2","2","1") = "6"
    & skf21("2","6","7","7","7","2","3","1") = "6"
    & skf21("2","6","7","7","7","2","4","1") = "6"
    & skf21("2","6","7","7","7","2","5","1") = "6"
    & skf21("2","6","7","7","7","2","6","1") = "6"
    & skf21("2","6","7","7","7","2","7","1") = "6"
    & skf21("2","6","7","7","7","3","1","1") = "6"
    & skf21("2","6","7","7","7","3","2","1") = "6"
    & skf21("2","6","7","7","7","3","3","1") = "6"
    & skf21("2","6","7","7","7","3","4","1") = "6"
    & skf21("2","6","7","7","7","3","5","1") = "6"
    & skf21("2","6","7","7","7","3","6","1") = "6"
    & skf21("2","6","7","7","7","3","7","1") = "6"
    & skf21("2","6","7","7","7","4","1","1") = "6"
    & skf21("2","6","7","7","7","4","2","1") = "6"
    & skf21("2","6","7","7","7","4","3","1") = "6"
    & skf21("2","6","7","7","7","4","4","1") = "6"
    & skf21("2","6","7","7","7","4","5","1") = "6"
    & skf21("2","6","7","7","7","4","6","1") = "6"
    & skf21("2","6","7","7","7","4","7","1") = "6"
    & skf21("2","6","7","7","7","5","1","1") = "6"
    & skf21("2","6","7","7","7","5","2","1") = "6"
    & skf21("2","6","7","7","7","5","3","1") = "6"
    & skf21("2","6","7","7","7","5","4","1") = "6"
    & skf21("2","6","7","7","7","5","5","1") = "6"
    & skf21("2","6","7","7","7","5","6","1") = "6"
    & skf21("2","6","7","7","7","5","7","1") = "6"
    & skf21("2","6","7","7","7","6","1","1") = "6"
    & skf21("2","6","7","7","7","6","2","1") = "6"
    & skf21("2","6","7","7","7","6","3","1") = "6"
    & skf21("2","6","7","7","7","6","4","1") = "6"
    & skf21("2","6","7","7","7","6","5","1") = "6"
    & skf21("2","6","7","7","7","6","6","1") = "6"
    & skf21("2","6","7","7","7","6","7","1") = "6"
    & skf21("2","6","7","7","7","7","1","1") = "6"
    & skf21("2","6","7","7","7","7","2","1") = "6"
    & skf21("2","6","7","7","7","7","3","1") = "6"
    & skf21("2","6","7","7","7","7","4","1") = "6"
    & skf21("2","6","7","7","7","7","5","1") = "6"
    & skf21("2","6","7","7","7","7","6","1") = "6"
    & skf21("2","6","7","7","7","7","7","1") = "6"
    & skf21("2","7","1","1","1","1","1","1") = "6"
    & skf21("2","7","1","1","1","1","2","1") = "6"
    & skf21("2","7","1","1","1","1","3","1") = "6"
    & skf21("2","7","1","1","1","1","4","1") = "6"
    & skf21("2","7","1","1","1","1","5","1") = "6"
    & skf21("2","7","1","1","1","1","6","1") = "6"
    & skf21("2","7","1","1","1","1","7","1") = "6"
    & skf21("2","7","1","1","1","2","1","1") = "6"
    & skf21("2","7","1","1","1","2","2","1") = "6"
    & skf21("2","7","1","1","1","2","3","1") = "6"
    & skf21("2","7","1","1","1","2","4","1") = "6"
    & skf21("2","7","1","1","1","2","5","1") = "6"
    & skf21("2","7","1","1","1","2","6","1") = "6"
    & skf21("2","7","1","1","1","2","7","1") = "6"
    & skf21("2","7","1","1","1","3","1","1") = "6"
    & skf21("2","7","1","1","1","3","2","1") = "6"
    & skf21("2","7","1","1","1","3","3","1") = "6"
    & skf21("2","7","1","1","1","3","4","1") = "6"
    & skf21("2","7","1","1","1","3","5","1") = "6"
    & skf21("2","7","1","1","1","3","6","1") = "6"
    & skf21("2","7","1","1","1","3","7","1") = "6"
    & skf21("2","7","1","1","1","4","1","1") = "6"
    & skf21("2","7","1","1","1","4","2","1") = "6"
    & skf21("2","7","1","1","1","4","3","1") = "6"
    & skf21("2","7","1","1","1","4","4","1") = "6"
    & skf21("2","7","1","1","1","4","5","1") = "6"
    & skf21("2","7","1","1","1","4","6","1") = "6"
    & skf21("2","7","1","1","1","4","7","1") = "6"
    & skf21("2","7","1","1","1","5","1","1") = "6"
    & skf21("2","7","1","1","1","5","2","1") = "6"
    & skf21("2","7","1","1","1","5","3","1") = "6"
    & skf21("2","7","1","1","1","5","4","1") = "6"
    & skf21("2","7","1","1","1","5","5","1") = "6"
    & skf21("2","7","1","1","1","5","6","1") = "6"
    & skf21("2","7","1","1","1","5","7","1") = "6"
    & skf21("2","7","1","1","1","6","1","1") = "6"
    & skf21("2","7","1","1","1","6","2","1") = "6"
    & skf21("2","7","1","1","1","6","3","1") = "6"
    & skf21("2","7","1","1","1","6","4","1") = "6"
    & skf21("2","7","1","1","1","6","5","1") = "6"
    & skf21("2","7","1","1","1","6","6","1") = "6"
    & skf21("2","7","1","1","1","6","7","1") = "6"
    & skf21("2","7","1","1","1","7","1","1") = "6"
    & skf21("2","7","1","1","1","7","2","1") = "6"
    & skf21("2","7","1","1","1","7","3","1") = "6"
    & skf21("2","7","1","1","1","7","4","1") = "6"
    & skf21("2","7","1","1","1","7","5","1") = "6"
    & skf21("2","7","1","1","1","7","6","1") = "6"
    & skf21("2","7","1","1","1","7","7","1") = "6"
    & skf21("2","7","1","1","2","1","1","1") = "6"
    & skf21("2","7","1","1","2","1","2","1") = "6"
    & skf21("2","7","1","1","2","1","3","1") = "6"
    & skf21("2","7","1","1","2","1","4","1") = "6"
    & skf21("2","7","1","1","2","1","5","1") = "6"
    & skf21("2","7","1","1","2","1","6","1") = "6"
    & skf21("2","7","1","1","2","1","7","1") = "6"
    & skf21("2","7","1","1","2","2","1","1") = "6"
    & skf21("2","7","1","1","2","2","2","1") = "6"
    & skf21("2","7","1","1","2","2","3","1") = "6"
    & skf21("2","7","1","1","2","2","4","1") = "6"
    & skf21("2","7","1","1","2","2","5","1") = "6"
    & skf21("2","7","1","1","2","2","6","1") = "6"
    & skf21("2","7","1","1","2","2","7","1") = "6"
    & skf21("2","7","1","1","2","3","1","1") = "6"
    & skf21("2","7","1","1","2","3","2","1") = "6"
    & skf21("2","7","1","1","2","3","3","1") = "6"
    & skf21("2","7","1","1","2","3","4","1") = "6"
    & skf21("2","7","1","1","2","3","5","1") = "6"
    & skf21("2","7","1","1","2","3","6","1") = "6"
    & skf21("2","7","1","1","2","3","7","1") = "6"
    & skf21("2","7","1","1","2","4","1","1") = "6"
    & skf21("2","7","1","1","2","4","2","1") = "6"
    & skf21("2","7","1","1","2","4","3","1") = "6"
    & skf21("2","7","1","1","2","4","4","1") = "6"
    & skf21("2","7","1","1","2","4","5","1") = "6"
    & skf21("2","7","1","1","2","4","6","1") = "6"
    & skf21("2","7","1","1","2","4","7","1") = "6"
    & skf21("2","7","1","1","2","5","1","1") = "6"
    & skf21("2","7","1","1","2","5","2","1") = "6"
    & skf21("2","7","1","1","2","5","3","1") = "6"
    & skf21("2","7","1","1","2","5","4","1") = "6"
    & skf21("2","7","1","1","2","5","5","1") = "6"
    & skf21("2","7","1","1","2","5","6","1") = "6"
    & skf21("2","7","1","1","2","5","7","1") = "6"
    & skf21("2","7","1","1","2","6","1","1") = "6"
    & skf21("2","7","1","1","2","6","2","1") = "6"
    & skf21("2","7","1","1","2","6","3","1") = "6"
    & skf21("2","7","1","1","2","6","4","1") = "6"
    & skf21("2","7","1","1","2","6","5","1") = "6"
    & skf21("2","7","1","1","2","6","6","1") = "6"
    & skf21("2","7","1","1","2","6","7","1") = "6"
    & skf21("2","7","1","1","2","7","1","1") = "6"
    & skf21("2","7","1","1","2","7","2","1") = "6"
    & skf21("2","7","1","1","2","7","3","1") = "6"
    & skf21("2","7","1","1","2","7","4","1") = "6"
    & skf21("2","7","1","1","2","7","5","1") = "6"
    & skf21("2","7","1","1","2","7","6","1") = "6"
    & skf21("2","7","1","1","2","7","7","1") = "6"
    & skf21("2","7","1","1","3","1","1","1") = "6"
    & skf21("2","7","1","1","3","1","2","1") = "6"
    & skf21("2","7","1","1","3","1","3","1") = "6"
    & skf21("2","7","1","1","3","1","4","1") = "6"
    & skf21("2","7","1","1","3","1","5","1") = "6"
    & skf21("2","7","1","1","3","1","6","1") = "6"
    & skf21("2","7","1","1","3","1","7","1") = "6"
    & skf21("2","7","1","1","3","2","1","1") = "6"
    & skf21("2","7","1","1","3","2","2","1") = "6"
    & skf21("2","7","1","1","3","2","3","1") = "6"
    & skf21("2","7","1","1","3","2","4","1") = "6"
    & skf21("2","7","1","1","3","2","5","1") = "6"
    & skf21("2","7","1","1","3","2","6","1") = "6"
    & skf21("2","7","1","1","3","2","7","1") = "6"
    & skf21("2","7","1","1","3","3","1","1") = "6"
    & skf21("2","7","1","1","3","3","2","1") = "6"
    & skf21("2","7","1","1","3","3","3","1") = "6"
    & skf21("2","7","1","1","3","3","4","1") = "6"
    & skf21("2","7","1","1","3","3","5","1") = "6"
    & skf21("2","7","1","1","3","3","6","1") = "6"
    & skf21("2","7","1","1","3","3","7","1") = "6"
    & skf21("2","7","1","1","3","4","1","1") = "6"
    & skf21("2","7","1","1","3","4","2","1") = "6"
    & skf21("2","7","1","1","3","4","3","1") = "6"
    & skf21("2","7","1","1","3","4","4","1") = "6"
    & skf21("2","7","1","1","3","4","5","1") = "6"
    & skf21("2","7","1","1","3","4","6","1") = "6"
    & skf21("2","7","1","1","3","4","7","1") = "6"
    & skf21("2","7","1","1","3","5","1","1") = "6"
    & skf21("2","7","1","1","3","5","2","1") = "6"
    & skf21("2","7","1","1","3","5","3","1") = "6"
    & skf21("2","7","1","1","3","5","4","1") = "6"
    & skf21("2","7","1","1","3","5","5","1") = "6"
    & skf21("2","7","1","1","3","5","6","1") = "6"
    & skf21("2","7","1","1","3","5","7","1") = "6"
    & skf21("2","7","1","1","3","6","1","1") = "6"
    & skf21("2","7","1","1","3","6","2","1") = "6"
    & skf21("2","7","1","1","3","6","3","1") = "6"
    & skf21("2","7","1","1","3","6","4","1") = "6"
    & skf21("2","7","1","1","3","6","5","1") = "6"
    & skf21("2","7","1","1","3","6","6","1") = "6"
    & skf21("2","7","1","1","3","6","7","1") = "6"
    & skf21("2","7","1","1","3","7","1","1") = "6"
    & skf21("2","7","1","1","3","7","2","1") = "6"
    & skf21("2","7","1","1","3","7","3","1") = "6"
    & skf21("2","7","1","1","3","7","4","1") = "6"
    & skf21("2","7","1","1","3","7","5","1") = "6"
    & skf21("2","7","1","1","3","7","6","1") = "6"
    & skf21("2","7","1","1","3","7","7","1") = "6"
    & skf21("2","7","1","1","4","1","1","1") = "6"
    & skf21("2","7","1","1","4","1","2","1") = "6"
    & skf21("2","7","1","1","4","1","3","1") = "6"
    & skf21("2","7","1","1","4","1","4","1") = "6"
    & skf21("2","7","1","1","4","1","5","1") = "6"
    & skf21("2","7","1","1","4","1","6","1") = "6"
    & skf21("2","7","1","1","4","1","7","1") = "6"
    & skf21("2","7","1","1","4","2","1","1") = "6"
    & skf21("2","7","1","1","4","2","2","1") = "6"
    & skf21("2","7","1","1","4","2","3","1") = "6"
    & skf21("2","7","1","1","4","2","4","1") = "6"
    & skf21("2","7","1","1","4","2","5","1") = "6"
    & skf21("2","7","1","1","4","2","6","1") = "6"
    & skf21("2","7","1","1","4","2","7","1") = "6"
    & skf21("2","7","1","1","4","3","1","1") = "6"
    & skf21("2","7","1","1","4","3","2","1") = "6"
    & skf21("2","7","1","1","4","3","3","1") = "6"
    & skf21("2","7","1","1","4","3","4","1") = "6"
    & skf21("2","7","1","1","4","3","5","1") = "6"
    & skf21("2","7","1","1","4","3","6","1") = "6"
    & skf21("2","7","1","1","4","3","7","1") = "6"
    & skf21("2","7","1","1","4","4","1","1") = "6"
    & skf21("2","7","1","1","4","4","2","1") = "6"
    & skf21("2","7","1","1","4","4","3","1") = "6"
    & skf21("2","7","1","1","4","4","4","1") = "6"
    & skf21("2","7","1","1","4","4","5","1") = "6"
    & skf21("2","7","1","1","4","4","6","1") = "6"
    & skf21("2","7","1","1","4","4","7","1") = "6"
    & skf21("2","7","1","1","4","5","1","1") = "6"
    & skf21("2","7","1","1","4","5","2","1") = "6"
    & skf21("2","7","1","1","4","5","3","1") = "6"
    & skf21("2","7","1","1","4","5","4","1") = "6"
    & skf21("2","7","1","1","4","5","5","1") = "6"
    & skf21("2","7","1","1","4","5","6","1") = "6"
    & skf21("2","7","1","1","4","5","7","1") = "6"
    & skf21("2","7","1","1","4","6","1","1") = "6"
    & skf21("2","7","1","1","4","6","2","1") = "6"
    & skf21("2","7","1","1","4","6","3","1") = "6"
    & skf21("2","7","1","1","4","6","4","1") = "6"
    & skf21("2","7","1","1","4","6","5","1") = "6"
    & skf21("2","7","1","1","4","6","6","1") = "6"
    & skf21("2","7","1","1","4","6","7","1") = "6"
    & skf21("2","7","1","1","4","7","1","1") = "6"
    & skf21("2","7","1","1","4","7","2","1") = "6"
    & skf21("2","7","1","1","4","7","3","1") = "6"
    & skf21("2","7","1","1","4","7","4","1") = "6"
    & skf21("2","7","1","1","4","7","5","1") = "6"
    & skf21("2","7","1","1","4","7","6","1") = "6"
    & skf21("2","7","1","1","4","7","7","1") = "6"
    & skf21("2","7","1","1","5","1","1","1") = "6"
    & skf21("2","7","1","1","5","1","2","1") = "6"
    & skf21("2","7","1","1","5","1","3","1") = "6"
    & skf21("2","7","1","1","5","1","4","1") = "6"
    & skf21("2","7","1","1","5","1","5","1") = "6"
    & skf21("2","7","1","1","5","1","6","1") = "6"
    & skf21("2","7","1","1","5","1","7","1") = "6"
    & skf21("2","7","1","1","5","2","1","1") = "6"
    & skf21("2","7","1","1","5","2","2","1") = "6"
    & skf21("2","7","1","1","5","2","3","1") = "6"
    & skf21("2","7","1","1","5","2","4","1") = "6"
    & skf21("2","7","1","1","5","2","5","1") = "6"
    & skf21("2","7","1","1","5","2","6","1") = "6"
    & skf21("2","7","1","1","5","2","7","1") = "6"
    & skf21("2","7","1","1","5","3","1","1") = "6"
    & skf21("2","7","1","1","5","3","2","1") = "6"
    & skf21("2","7","1","1","5","3","3","1") = "6"
    & skf21("2","7","1","1","5","3","4","1") = "6"
    & skf21("2","7","1","1","5","3","5","1") = "6"
    & skf21("2","7","1","1","5","3","6","1") = "6"
    & skf21("2","7","1","1","5","3","7","1") = "6"
    & skf21("2","7","1","1","5","4","1","1") = "6"
    & skf21("2","7","1","1","5","4","2","1") = "6"
    & skf21("2","7","1","1","5","4","3","1") = "6"
    & skf21("2","7","1","1","5","4","4","1") = "6"
    & skf21("2","7","1","1","5","4","5","1") = "6"
    & skf21("2","7","1","1","5","4","6","1") = "6"
    & skf21("2","7","1","1","5","4","7","1") = "6"
    & skf21("2","7","1","1","5","5","1","1") = "6"
    & skf21("2","7","1","1","5","5","2","1") = "6"
    & skf21("2","7","1","1","5","5","3","1") = "6"
    & skf21("2","7","1","1","5","5","4","1") = "6"
    & skf21("2","7","1","1","5","5","5","1") = "6"
    & skf21("2","7","1","1","5","5","6","1") = "6"
    & skf21("2","7","1","1","5","5","7","1") = "6"
    & skf21("2","7","1","1","5","6","1","1") = "6"
    & skf21("2","7","1","1","5","6","2","1") = "6"
    & skf21("2","7","1","1","5","6","3","1") = "6"
    & skf21("2","7","1","1","5","6","4","1") = "6"
    & skf21("2","7","1","1","5","6","5","1") = "6"
    & skf21("2","7","1","1","5","6","6","1") = "6"
    & skf21("2","7","1","1","5","6","7","1") = "6"
    & skf21("2","7","1","1","5","7","1","1") = "6"
    & skf21("2","7","1","1","5","7","2","1") = "6"
    & skf21("2","7","1","1","5","7","3","1") = "6"
    & skf21("2","7","1","1","5","7","4","1") = "6"
    & skf21("2","7","1","1","5","7","5","1") = "6"
    & skf21("2","7","1","1","5","7","6","1") = "6"
    & skf21("2","7","1","1","5","7","7","1") = "6"
    & skf21("2","7","1","1","6","1","1","1") = "6"
    & skf21("2","7","1","1","6","1","2","1") = "6"
    & skf21("2","7","1","1","6","1","3","1") = "6"
    & skf21("2","7","1","1","6","1","4","1") = "6"
    & skf21("2","7","1","1","6","1","5","1") = "6"
    & skf21("2","7","1","1","6","1","6","1") = "6"
    & skf21("2","7","1","1","6","1","7","1") = "6"
    & skf21("2","7","1","1","6","2","1","1") = "6"
    & skf21("2","7","1","1","6","2","2","1") = "6"
    & skf21("2","7","1","1","6","2","3","1") = "6"
    & skf21("2","7","1","1","6","2","4","1") = "6"
    & skf21("2","7","1","1","6","2","5","1") = "6"
    & skf21("2","7","1","1","6","2","6","1") = "6"
    & skf21("2","7","1","1","6","2","7","1") = "6"
    & skf21("2","7","1","1","6","3","1","1") = "6"
    & skf21("2","7","1","1","6","3","2","1") = "6"
    & skf21("2","7","1","1","6","3","3","1") = "6"
    & skf21("2","7","1","1","6","3","4","1") = "6"
    & skf21("2","7","1","1","6","3","5","1") = "6"
    & skf21("2","7","1","1","6","3","6","1") = "6"
    & skf21("2","7","1","1","6","3","7","1") = "6"
    & skf21("2","7","1","1","6","4","1","1") = "6"
    & skf21("2","7","1","1","6","4","2","1") = "6"
    & skf21("2","7","1","1","6","4","3","1") = "6"
    & skf21("2","7","1","1","6","4","4","1") = "6"
    & skf21("2","7","1","1","6","4","5","1") = "6"
    & skf21("2","7","1","1","6","4","6","1") = "6"
    & skf21("2","7","1","1","6","4","7","1") = "6"
    & skf21("2","7","1","1","6","5","1","1") = "6"
    & skf21("2","7","1","1","6","5","2","1") = "6"
    & skf21("2","7","1","1","6","5","3","1") = "6"
    & skf21("2","7","1","1","6","5","4","1") = "6"
    & skf21("2","7","1","1","6","5","5","1") = "6"
    & skf21("2","7","1","1","6","5","6","1") = "6"
    & skf21("2","7","1","1","6","5","7","1") = "6"
    & skf21("2","7","1","1","6","6","1","1") = "6"
    & skf21("2","7","1","1","6","6","2","1") = "6"
    & skf21("2","7","1","1","6","6","3","1") = "6"
    & skf21("2","7","1","1","6","6","4","1") = "6"
    & skf21("2","7","1","1","6","6","5","1") = "6"
    & skf21("2","7","1","1","6","6","6","1") = "6"
    & skf21("2","7","1","1","6","6","7","1") = "6"
    & skf21("2","7","1","1","6","7","1","1") = "6"
    & skf21("2","7","1","1","6","7","2","1") = "6"
    & skf21("2","7","1","1","6","7","3","1") = "6"
    & skf21("2","7","1","1","6","7","4","1") = "6"
    & skf21("2","7","1","1","6","7","5","1") = "6"
    & skf21("2","7","1","1","6","7","6","1") = "6"
    & skf21("2","7","1","1","6","7","7","1") = "6"
    & skf21("2","7","1","1","7","1","1","1") = "6"
    & skf21("2","7","1","1","7","1","2","1") = "6"
    & skf21("2","7","1","1","7","1","3","1") = "6"
    & skf21("2","7","1","1","7","1","4","1") = "6"
    & skf21("2","7","1","1","7","1","5","1") = "6"
    & skf21("2","7","1","1","7","1","6","1") = "6"
    & skf21("2","7","1","1","7","1","7","1") = "6"
    & skf21("2","7","1","1","7","2","1","1") = "6"
    & skf21("2","7","1","1","7","2","2","1") = "6"
    & skf21("2","7","1","1","7","2","3","1") = "6"
    & skf21("2","7","1","1","7","2","4","1") = "6"
    & skf21("2","7","1","1","7","2","5","1") = "6"
    & skf21("2","7","1","1","7","2","6","1") = "6"
    & skf21("2","7","1","1","7","2","7","1") = "6"
    & skf21("2","7","1","1","7","3","1","1") = "6"
    & skf21("2","7","1","1","7","3","2","1") = "6"
    & skf21("2","7","1","1","7","3","3","1") = "6"
    & skf21("2","7","1","1","7","3","4","1") = "6"
    & skf21("2","7","1","1","7","3","5","1") = "6"
    & skf21("2","7","1","1","7","3","6","1") = "6"
    & skf21("2","7","1","1","7","3","7","1") = "6"
    & skf21("2","7","1","1","7","4","1","1") = "6"
    & skf21("2","7","1","1","7","4","2","1") = "6"
    & skf21("2","7","1","1","7","4","3","1") = "6"
    & skf21("2","7","1","1","7","4","4","1") = "6"
    & skf21("2","7","1","1","7","4","5","1") = "6"
    & skf21("2","7","1","1","7","4","6","1") = "6"
    & skf21("2","7","1","1","7","4","7","1") = "6"
    & skf21("2","7","1","1","7","5","1","1") = "6"
    & skf21("2","7","1","1","7","5","2","1") = "6"
    & skf21("2","7","1","1","7","5","3","1") = "6"
    & skf21("2","7","1","1","7","5","4","1") = "6"
    & skf21("2","7","1","1","7","5","5","1") = "6"
    & skf21("2","7","1","1","7","5","6","1") = "6"
    & skf21("2","7","1","1","7","5","7","1") = "6"
    & skf21("2","7","1","1","7","6","1","1") = "6"
    & skf21("2","7","1","1","7","6","2","1") = "6"
    & skf21("2","7","1","1","7","6","3","1") = "6"
    & skf21("2","7","1","1","7","6","4","1") = "6"
    & skf21("2","7","1","1","7","6","5","1") = "6"
    & skf21("2","7","1","1","7","6","6","1") = "6"
    & skf21("2","7","1","1","7","6","7","1") = "6"
    & skf21("2","7","1","1","7","7","1","1") = "6"
    & skf21("2","7","1","1","7","7","2","1") = "6"
    & skf21("2","7","1","1","7","7","3","1") = "6"
    & skf21("2","7","1","1","7","7","4","1") = "6"
    & skf21("2","7","1","1","7","7","5","1") = "6"
    & skf21("2","7","1","1","7","7","6","1") = "6"
    & skf21("2","7","1","1","7","7","7","1") = "6"
    & skf21("2","7","1","2","1","1","1","1") = "6"
    & skf21("2","7","1","2","1","1","2","1") = "6"
    & skf21("2","7","1","2","1","1","3","1") = "6"
    & skf21("2","7","1","2","1","1","4","1") = "6"
    & skf21("2","7","1","2","1","1","5","1") = "6"
    & skf21("2","7","1","2","1","1","6","1") = "6"
    & skf21("2","7","1","2","1","1","7","1") = "6"
    & skf21("2","7","1","2","1","2","1","1") = "6"
    & skf21("2","7","1","2","1","2","2","1") = "6"
    & skf21("2","7","1","2","1","2","3","1") = "6"
    & skf21("2","7","1","2","1","2","4","1") = "6"
    & skf21("2","7","1","2","1","2","5","1") = "6"
    & skf21("2","7","1","2","1","2","6","1") = "6"
    & skf21("2","7","1","2","1","2","7","1") = "6"
    & skf21("2","7","1","2","1","3","1","1") = "6"
    & skf21("2","7","1","2","1","3","2","1") = "6"
    & skf21("2","7","1","2","1","3","3","1") = "6"
    & skf21("2","7","1","2","1","3","4","1") = "6"
    & skf21("2","7","1","2","1","3","5","1") = "6"
    & skf21("2","7","1","2","1","3","6","1") = "6"
    & skf21("2","7","1","2","1","3","7","1") = "6"
    & skf21("2","7","1","2","1","4","1","1") = "6"
    & skf21("2","7","1","2","1","4","2","1") = "6"
    & skf21("2","7","1","2","1","4","3","1") = "6"
    & skf21("2","7","1","2","1","4","4","1") = "6"
    & skf21("2","7","1","2","1","4","5","1") = "6"
    & skf21("2","7","1","2","1","4","6","1") = "6"
    & skf21("2","7","1","2","1","4","7","1") = "6"
    & skf21("2","7","1","2","1","5","1","1") = "6"
    & skf21("2","7","1","2","1","5","2","1") = "6"
    & skf21("2","7","1","2","1","5","3","1") = "6"
    & skf21("2","7","1","2","1","5","4","1") = "6"
    & skf21("2","7","1","2","1","5","5","1") = "6"
    & skf21("2","7","1","2","1","5","6","1") = "6"
    & skf21("2","7","1","2","1","5","7","1") = "6"
    & skf21("2","7","1","2","1","6","1","1") = "6"
    & skf21("2","7","1","2","1","6","2","1") = "6"
    & skf21("2","7","1","2","1","6","3","1") = "6"
    & skf21("2","7","1","2","1","6","4","1") = "6"
    & skf21("2","7","1","2","1","6","5","1") = "6"
    & skf21("2","7","1","2","1","6","6","1") = "6"
    & skf21("2","7","1","2","1","6","7","1") = "6"
    & skf21("2","7","1","2","1","7","1","1") = "6"
    & skf21("2","7","1","2","1","7","2","1") = "6"
    & skf21("2","7","1","2","1","7","3","1") = "6"
    & skf21("2","7","1","2","1","7","4","1") = "6"
    & skf21("2","7","1","2","1","7","5","1") = "6"
    & skf21("2","7","1","2","1","7","6","1") = "6"
    & skf21("2","7","1","2","1","7","7","1") = "6"
    & skf21("2","7","1","2","2","1","1","1") = "6"
    & skf21("2","7","1","2","2","1","2","1") = "6"
    & skf21("2","7","1","2","2","1","3","1") = "6"
    & skf21("2","7","1","2","2","1","4","1") = "6"
    & skf21("2","7","1","2","2","1","5","1") = "6"
    & skf21("2","7","1","2","2","1","6","1") = "6"
    & skf21("2","7","1","2","2","1","7","1") = "6"
    & skf21("2","7","1","2","2","2","1","1") = "6"
    & skf21("2","7","1","2","2","2","2","1") = "6"
    & skf21("2","7","1","2","2","2","3","1") = "6"
    & skf21("2","7","1","2","2","2","4","1") = "6"
    & skf21("2","7","1","2","2","2","5","1") = "6"
    & skf21("2","7","1","2","2","2","6","1") = "6"
    & skf21("2","7","1","2","2","2","7","1") = "6"
    & skf21("2","7","1","2","2","3","1","1") = "6"
    & skf21("2","7","1","2","2","3","2","1") = "6"
    & skf21("2","7","1","2","2","3","3","1") = "6"
    & skf21("2","7","1","2","2","3","4","1") = "6"
    & skf21("2","7","1","2","2","3","5","1") = "6"
    & skf21("2","7","1","2","2","3","6","1") = "6"
    & skf21("2","7","1","2","2","3","7","1") = "6"
    & skf21("2","7","1","2","2","4","1","1") = "6"
    & skf21("2","7","1","2","2","4","2","1") = "6"
    & skf21("2","7","1","2","2","4","3","1") = "6"
    & skf21("2","7","1","2","2","4","4","1") = "6"
    & skf21("2","7","1","2","2","4","5","1") = "6"
    & skf21("2","7","1","2","2","4","6","1") = "6"
    & skf21("2","7","1","2","2","4","7","1") = "6"
    & skf21("2","7","1","2","2","5","1","1") = "6"
    & skf21("2","7","1","2","2","5","2","1") = "6"
    & skf21("2","7","1","2","2","5","3","1") = "6"
    & skf21("2","7","1","2","2","5","4","1") = "6"
    & skf21("2","7","1","2","2","5","5","1") = "6"
    & skf21("2","7","1","2","2","5","6","1") = "6"
    & skf21("2","7","1","2","2","5","7","1") = "6"
    & skf21("2","7","1","2","2","6","1","1") = "6"
    & skf21("2","7","1","2","2","6","2","1") = "6"
    & skf21("2","7","1","2","2","6","3","1") = "6"
    & skf21("2","7","1","2","2","6","4","1") = "6"
    & skf21("2","7","1","2","2","6","5","1") = "6"
    & skf21("2","7","1","2","2","6","6","1") = "6"
    & skf21("2","7","1","2","2","6","7","1") = "6"
    & skf21("2","7","1","2","2","7","1","1") = "6"
    & skf21("2","7","1","2","2","7","2","1") = "6"
    & skf21("2","7","1","2","2","7","3","1") = "6"
    & skf21("2","7","1","2","2","7","4","1") = "6"
    & skf21("2","7","1","2","2","7","5","1") = "6"
    & skf21("2","7","1","2","2","7","6","1") = "6"
    & skf21("2","7","1","2","2","7","7","1") = "6"
    & skf21("2","7","1","2","3","1","1","1") = "6"
    & skf21("2","7","1","2","3","1","2","1") = "6"
    & skf21("2","7","1","2","3","1","3","1") = "6"
    & skf21("2","7","1","2","3","1","4","1") = "6"
    & skf21("2","7","1","2","3","1","5","1") = "6"
    & skf21("2","7","1","2","3","1","6","1") = "6"
    & skf21("2","7","1","2","3","1","7","1") = "6"
    & skf21("2","7","1","2","3","2","1","1") = "6"
    & skf21("2","7","1","2","3","2","2","1") = "6"
    & skf21("2","7","1","2","3","2","3","1") = "6"
    & skf21("2","7","1","2","3","2","4","1") = "6"
    & skf21("2","7","1","2","3","2","5","1") = "6"
    & skf21("2","7","1","2","3","2","6","1") = "6"
    & skf21("2","7","1","2","3","2","7","1") = "6"
    & skf21("2","7","1","2","3","3","1","1") = "6"
    & skf21("2","7","1","2","3","3","2","1") = "6"
    & skf21("2","7","1","2","3","3","3","1") = "6"
    & skf21("2","7","1","2","3","3","4","1") = "6"
    & skf21("2","7","1","2","3","3","5","1") = "6"
    & skf21("2","7","1","2","3","3","6","1") = "6"
    & skf21("2","7","1","2","3","3","7","1") = "6"
    & skf21("2","7","1","2","3","4","1","1") = "6"
    & skf21("2","7","1","2","3","4","2","1") = "6"
    & skf21("2","7","1","2","3","4","3","1") = "6"
    & skf21("2","7","1","2","3","4","4","1") = "6"
    & skf21("2","7","1","2","3","4","5","1") = "6"
    & skf21("2","7","1","2","3","4","6","1") = "6"
    & skf21("2","7","1","2","3","4","7","1") = "6"
    & skf21("2","7","1","2","3","5","1","1") = "6"
    & skf21("2","7","1","2","3","5","2","1") = "6"
    & skf21("2","7","1","2","3","5","3","1") = "6"
    & skf21("2","7","1","2","3","5","4","1") = "6"
    & skf21("2","7","1","2","3","5","5","1") = "6"
    & skf21("2","7","1","2","3","5","6","1") = "6"
    & skf21("2","7","1","2","3","5","7","1") = "6"
    & skf21("2","7","1","2","3","6","1","1") = "6"
    & skf21("2","7","1","2","3","6","2","1") = "6"
    & skf21("2","7","1","2","3","6","3","1") = "6"
    & skf21("2","7","1","2","3","6","4","1") = "6"
    & skf21("2","7","1","2","3","6","5","1") = "6"
    & skf21("2","7","1","2","3","6","6","1") = "6"
    & skf21("2","7","1","2","3","6","7","1") = "6"
    & skf21("2","7","1","2","3","7","1","1") = "6"
    & skf21("2","7","1","2","3","7","2","1") = "6"
    & skf21("2","7","1","2","3","7","3","1") = "6"
    & skf21("2","7","1","2","3","7","4","1") = "6"
    & skf21("2","7","1","2","3","7","5","1") = "6"
    & skf21("2","7","1","2","3","7","6","1") = "6"
    & skf21("2","7","1","2","3","7","7","1") = "6"
    & skf21("2","7","1","2","4","1","1","1") = "6"
    & skf21("2","7","1","2","4","1","2","1") = "6"
    & skf21("2","7","1","2","4","1","3","1") = "6"
    & skf21("2","7","1","2","4","1","4","1") = "6"
    & skf21("2","7","1","2","4","1","5","1") = "6"
    & skf21("2","7","1","2","4","1","6","1") = "6"
    & skf21("2","7","1","2","4","1","7","1") = "6"
    & skf21("2","7","1","2","4","2","1","1") = "6"
    & skf21("2","7","1","2","4","2","2","1") = "6"
    & skf21("2","7","1","2","4","2","3","1") = "6"
    & skf21("2","7","1","2","4","2","4","1") = "6"
    & skf21("2","7","1","2","4","2","5","1") = "6"
    & skf21("2","7","1","2","4","2","6","1") = "6"
    & skf21("2","7","1","2","4","2","7","1") = "6"
    & skf21("2","7","1","2","4","3","1","1") = "6"
    & skf21("2","7","1","2","4","3","2","1") = "6"
    & skf21("2","7","1","2","4","3","3","1") = "6"
    & skf21("2","7","1","2","4","3","4","1") = "6"
    & skf21("2","7","1","2","4","3","5","1") = "6"
    & skf21("2","7","1","2","4","3","6","1") = "6"
    & skf21("2","7","1","2","4","3","7","1") = "6"
    & skf21("2","7","1","2","4","4","1","1") = "6"
    & skf21("2","7","1","2","4","4","2","1") = "6"
    & skf21("2","7","1","2","4","4","3","1") = "6"
    & skf21("2","7","1","2","4","4","4","1") = "6"
    & skf21("2","7","1","2","4","4","5","1") = "6"
    & skf21("2","7","1","2","4","4","6","1") = "6"
    & skf21("2","7","1","2","4","4","7","1") = "6"
    & skf21("2","7","1","2","4","5","1","1") = "6"
    & skf21("2","7","1","2","4","5","2","1") = "6"
    & skf21("2","7","1","2","4","5","3","1") = "6"
    & skf21("2","7","1","2","4","5","4","1") = "6"
    & skf21("2","7","1","2","4","5","5","1") = "6"
    & skf21("2","7","1","2","4","5","6","1") = "6"
    & skf21("2","7","1","2","4","5","7","1") = "6"
    & skf21("2","7","1","2","4","6","1","1") = "6"
    & skf21("2","7","1","2","4","6","2","1") = "6"
    & skf21("2","7","1","2","4","6","3","1") = "6"
    & skf21("2","7","1","2","4","6","4","1") = "6"
    & skf21("2","7","1","2","4","6","5","1") = "6"
    & skf21("2","7","1","2","4","6","6","1") = "6"
    & skf21("2","7","1","2","4","6","7","1") = "6"
    & skf21("2","7","1","2","4","7","1","1") = "6"
    & skf21("2","7","1","2","4","7","2","1") = "6"
    & skf21("2","7","1","2","4","7","3","1") = "6"
    & skf21("2","7","1","2","4","7","4","1") = "6"
    & skf21("2","7","1","2","4","7","5","1") = "6"
    & skf21("2","7","1","2","4","7","6","1") = "6"
    & skf21("2","7","1","2","4","7","7","1") = "6"
    & skf21("2","7","1","2","5","1","1","1") = "6"
    & skf21("2","7","1","2","5","1","2","1") = "6"
    & skf21("2","7","1","2","5","1","3","1") = "6"
    & skf21("2","7","1","2","5","1","4","1") = "6"
    & skf21("2","7","1","2","5","1","5","1") = "6"
    & skf21("2","7","1","2","5","1","6","1") = "6"
    & skf21("2","7","1","2","5","1","7","1") = "6"
    & skf21("2","7","1","2","5","2","1","1") = "6"
    & skf21("2","7","1","2","5","2","2","1") = "6"
    & skf21("2","7","1","2","5","2","3","1") = "6"
    & skf21("2","7","1","2","5","2","4","1") = "6"
    & skf21("2","7","1","2","5","2","5","1") = "6"
    & skf21("2","7","1","2","5","2","6","1") = "6"
    & skf21("2","7","1","2","5","2","7","1") = "6"
    & skf21("2","7","1","2","5","3","1","1") = "6"
    & skf21("2","7","1","2","5","3","2","1") = "6"
    & skf21("2","7","1","2","5","3","3","1") = "6"
    & skf21("2","7","1","2","5","3","4","1") = "6"
    & skf21("2","7","1","2","5","3","5","1") = "6"
    & skf21("2","7","1","2","5","3","6","1") = "6"
    & skf21("2","7","1","2","5","3","7","1") = "6"
    & skf21("2","7","1","2","5","4","1","1") = "6"
    & skf21("2","7","1","2","5","4","2","1") = "6"
    & skf21("2","7","1","2","5","4","3","1") = "6"
    & skf21("2","7","1","2","5","4","4","1") = "6"
    & skf21("2","7","1","2","5","4","5","1") = "6"
    & skf21("2","7","1","2","5","4","6","1") = "6"
    & skf21("2","7","1","2","5","4","7","1") = "6"
    & skf21("2","7","1","2","5","5","1","1") = "6"
    & skf21("2","7","1","2","5","5","2","1") = "6"
    & skf21("2","7","1","2","5","5","3","1") = "6"
    & skf21("2","7","1","2","5","5","4","1") = "6"
    & skf21("2","7","1","2","5","5","5","1") = "6"
    & skf21("2","7","1","2","5","5","6","1") = "6"
    & skf21("2","7","1","2","5","5","7","1") = "6"
    & skf21("2","7","1","2","5","6","1","1") = "6"
    & skf21("2","7","1","2","5","6","2","1") = "6"
    & skf21("2","7","1","2","5","6","3","1") = "6"
    & skf21("2","7","1","2","5","6","4","1") = "6"
    & skf21("2","7","1","2","5","6","5","1") = "6"
    & skf21("2","7","1","2","5","6","6","1") = "6"
    & skf21("2","7","1","2","5","6","7","1") = "6"
    & skf21("2","7","1","2","5","7","1","1") = "6"
    & skf21("2","7","1","2","5","7","2","1") = "6"
    & skf21("2","7","1","2","5","7","3","1") = "6"
    & skf21("2","7","1","2","5","7","4","1") = "6"
    & skf21("2","7","1","2","5","7","5","1") = "6"
    & skf21("2","7","1","2","5","7","6","1") = "6"
    & skf21("2","7","1","2","5","7","7","1") = "6"
    & skf21("2","7","1","2","6","1","1","1") = "6"
    & skf21("2","7","1","2","6","1","2","1") = "6"
    & skf21("2","7","1","2","6","1","3","1") = "6"
    & skf21("2","7","1","2","6","1","4","1") = "6"
    & skf21("2","7","1","2","6","1","5","1") = "6"
    & skf21("2","7","1","2","6","1","6","1") = "6"
    & skf21("2","7","1","2","6","1","7","1") = "6"
    & skf21("2","7","1","2","6","2","1","1") = "6"
    & skf21("2","7","1","2","6","2","2","1") = "6"
    & skf21("2","7","1","2","6","2","3","1") = "6"
    & skf21("2","7","1","2","6","2","4","1") = "6"
    & skf21("2","7","1","2","6","2","5","1") = "6"
    & skf21("2","7","1","2","6","2","6","1") = "6"
    & skf21("2","7","1","2","6","2","7","1") = "6"
    & skf21("2","7","1","2","6","3","1","1") = "6"
    & skf21("2","7","1","2","6","3","2","1") = "6"
    & skf21("2","7","1","2","6","3","3","1") = "6"
    & skf21("2","7","1","2","6","3","4","1") = "6"
    & skf21("2","7","1","2","6","3","5","1") = "6"
    & skf21("2","7","1","2","6","3","6","1") = "6"
    & skf21("2","7","1","2","6","3","7","1") = "6"
    & skf21("2","7","1","2","6","4","1","1") = "6"
    & skf21("2","7","1","2","6","4","2","1") = "6"
    & skf21("2","7","1","2","6","4","3","1") = "6"
    & skf21("2","7","1","2","6","4","4","1") = "6"
    & skf21("2","7","1","2","6","4","5","1") = "6"
    & skf21("2","7","1","2","6","4","6","1") = "6"
    & skf21("2","7","1","2","6","4","7","1") = "6"
    & skf21("2","7","1","2","6","5","1","1") = "6"
    & skf21("2","7","1","2","6","5","2","1") = "6"
    & skf21("2","7","1","2","6","5","3","1") = "6"
    & skf21("2","7","1","2","6","5","4","1") = "6"
    & skf21("2","7","1","2","6","5","5","1") = "6"
    & skf21("2","7","1","2","6","5","6","1") = "6"
    & skf21("2","7","1","2","6","5","7","1") = "6"
    & skf21("2","7","1","2","6","6","1","1") = "6"
    & skf21("2","7","1","2","6","6","2","1") = "6"
    & skf21("2","7","1","2","6","6","3","1") = "6"
    & skf21("2","7","1","2","6","6","4","1") = "6"
    & skf21("2","7","1","2","6","6","5","1") = "6"
    & skf21("2","7","1","2","6","6","6","1") = "6"
    & skf21("2","7","1","2","6","6","7","1") = "6"
    & skf21("2","7","1","2","6","7","1","1") = "6"
    & skf21("2","7","1","2","6","7","2","1") = "6"
    & skf21("2","7","1","2","6","7","3","1") = "6"
    & skf21("2","7","1","2","6","7","4","1") = "6"
    & skf21("2","7","1","2","6","7","5","1") = "6"
    & skf21("2","7","1","2","6","7","6","1") = "6"
    & skf21("2","7","1","2","6","7","7","1") = "6"
    & skf21("2","7","1","2","7","1","1","1") = "6"
    & skf21("2","7","1","2","7","1","2","1") = "6"
    & skf21("2","7","1","2","7","1","3","1") = "6"
    & skf21("2","7","1","2","7","1","4","1") = "6"
    & skf21("2","7","1","2","7","1","5","1") = "6"
    & skf21("2","7","1","2","7","1","6","1") = "6"
    & skf21("2","7","1","2","7","1","7","1") = "6"
    & skf21("2","7","1","2","7","2","1","1") = "6"
    & skf21("2","7","1","2","7","2","2","1") = "6"
    & skf21("2","7","1","2","7","2","3","1") = "6"
    & skf21("2","7","1","2","7","2","4","1") = "6"
    & skf21("2","7","1","2","7","2","5","1") = "6"
    & skf21("2","7","1","2","7","2","6","1") = "6"
    & skf21("2","7","1","2","7","2","7","1") = "6"
    & skf21("2","7","1","2","7","3","1","1") = "6"
    & skf21("2","7","1","2","7","3","2","1") = "6"
    & skf21("2","7","1","2","7","3","3","1") = "6"
    & skf21("2","7","1","2","7","3","4","1") = "6"
    & skf21("2","7","1","2","7","3","5","1") = "6"
    & skf21("2","7","1","2","7","3","6","1") = "6"
    & skf21("2","7","1","2","7","3","7","1") = "6"
    & skf21("2","7","1","2","7","4","1","1") = "6"
    & skf21("2","7","1","2","7","4","2","1") = "6"
    & skf21("2","7","1","2","7","4","3","1") = "6"
    & skf21("2","7","1","2","7","4","4","1") = "6"
    & skf21("2","7","1","2","7","4","5","1") = "6"
    & skf21("2","7","1","2","7","4","6","1") = "6"
    & skf21("2","7","1","2","7","4","7","1") = "6"
    & skf21("2","7","1","2","7","5","1","1") = "6"
    & skf21("2","7","1","2","7","5","2","1") = "6"
    & skf21("2","7","1","2","7","5","3","1") = "6"
    & skf21("2","7","1","2","7","5","4","1") = "6"
    & skf21("2","7","1","2","7","5","5","1") = "6"
    & skf21("2","7","1","2","7","5","6","1") = "6"
    & skf21("2","7","1","2","7","5","7","1") = "6"
    & skf21("2","7","1","2","7","6","1","1") = "6"
    & skf21("2","7","1","2","7","6","2","1") = "6"
    & skf21("2","7","1","2","7","6","3","1") = "6"
    & skf21("2","7","1","2","7","6","4","1") = "6"
    & skf21("2","7","1","2","7","6","5","1") = "6"
    & skf21("2","7","1","2","7","6","6","1") = "6"
    & skf21("2","7","1","2","7","6","7","1") = "6"
    & skf21("2","7","1","2","7","7","1","1") = "6"
    & skf21("2","7","1","2","7","7","2","1") = "6"
    & skf21("2","7","1","2","7","7","3","1") = "6"
    & skf21("2","7","1","2","7","7","4","1") = "6"
    & skf21("2","7","1","2","7","7","5","1") = "6"
    & skf21("2","7","1","2","7","7","6","1") = "6"
    & skf21("2","7","1","2","7","7","7","1") = "6"
    & skf21("2","7","1","3","1","1","1","1") = "6"
    & skf21("2","7","1","3","1","1","2","1") = "6"
    & skf21("2","7","1","3","1","1","3","1") = "6"
    & skf21("2","7","1","3","1","1","4","1") = "6"
    & skf21("2","7","1","3","1","1","5","1") = "6"
    & skf21("2","7","1","3","1","1","6","1") = "6"
    & skf21("2","7","1","3","1","1","7","1") = "6"
    & skf21("2","7","1","3","1","2","1","1") = "6"
    & skf21("2","7","1","3","1","2","2","1") = "6"
    & skf21("2","7","1","3","1","2","3","1") = "6"
    & skf21("2","7","1","3","1","2","4","1") = "6"
    & skf21("2","7","1","3","1","2","5","1") = "6"
    & skf21("2","7","1","3","1","2","6","1") = "6"
    & skf21("2","7","1","3","1","2","7","1") = "6"
    & skf21("2","7","1","3","1","3","1","1") = "6"
    & skf21("2","7","1","3","1","3","2","1") = "6"
    & skf21("2","7","1","3","1","3","3","1") = "6"
    & skf21("2","7","1","3","1","3","4","1") = "6"
    & skf21("2","7","1","3","1","3","5","1") = "6"
    & skf21("2","7","1","3","1","3","6","1") = "6"
    & skf21("2","7","1","3","1","3","7","1") = "6"
    & skf21("2","7","1","3","1","4","1","1") = "6"
    & skf21("2","7","1","3","1","4","2","1") = "6"
    & skf21("2","7","1","3","1","4","3","1") = "6"
    & skf21("2","7","1","3","1","4","4","1") = "6"
    & skf21("2","7","1","3","1","4","5","1") = "6"
    & skf21("2","7","1","3","1","4","6","1") = "6"
    & skf21("2","7","1","3","1","4","7","1") = "6"
    & skf21("2","7","1","3","1","5","1","1") = "6"
    & skf21("2","7","1","3","1","5","2","1") = "6"
    & skf21("2","7","1","3","1","5","3","1") = "6"
    & skf21("2","7","1","3","1","5","4","1") = "6"
    & skf21("2","7","1","3","1","5","5","1") = "6"
    & skf21("2","7","1","3","1","5","6","1") = "6"
    & skf21("2","7","1","3","1","5","7","1") = "6"
    & skf21("2","7","1","3","1","6","1","1") = "6"
    & skf21("2","7","1","3","1","6","2","1") = "6"
    & skf21("2","7","1","3","1","6","3","1") = "6"
    & skf21("2","7","1","3","1","6","4","1") = "6"
    & skf21("2","7","1","3","1","6","5","1") = "6"
    & skf21("2","7","1","3","1","6","6","1") = "6"
    & skf21("2","7","1","3","1","6","7","1") = "6"
    & skf21("2","7","1","3","1","7","1","1") = "6"
    & skf21("2","7","1","3","1","7","2","1") = "6"
    & skf21("2","7","1","3","1","7","3","1") = "6"
    & skf21("2","7","1","3","1","7","4","1") = "6"
    & skf21("2","7","1","3","1","7","5","1") = "6"
    & skf21("2","7","1","3","1","7","6","1") = "6"
    & skf21("2","7","1","3","1","7","7","1") = "6"
    & skf21("2","7","1","3","2","1","1","1") = "6"
    & skf21("2","7","1","3","2","1","2","1") = "6"
    & skf21("2","7","1","3","2","1","3","1") = "6"
    & skf21("2","7","1","3","2","1","4","1") = "6"
    & skf21("2","7","1","3","2","1","5","1") = "6"
    & skf21("2","7","1","3","2","1","6","1") = "6"
    & skf21("2","7","1","3","2","1","7","1") = "6"
    & skf21("2","7","1","3","2","2","1","1") = "6"
    & skf21("2","7","1","3","2","2","2","1") = "6"
    & skf21("2","7","1","3","2","2","3","1") = "6"
    & skf21("2","7","1","3","2","2","4","1") = "6"
    & skf21("2","7","1","3","2","2","5","1") = "6"
    & skf21("2","7","1","3","2","2","6","1") = "6"
    & skf21("2","7","1","3","2","2","7","1") = "6"
    & skf21("2","7","1","3","2","3","1","1") = "6"
    & skf21("2","7","1","3","2","3","2","1") = "6"
    & skf21("2","7","1","3","2","3","3","1") = "6"
    & skf21("2","7","1","3","2","3","4","1") = "6"
    & skf21("2","7","1","3","2","3","5","1") = "6"
    & skf21("2","7","1","3","2","3","6","1") = "6"
    & skf21("2","7","1","3","2","3","7","1") = "6"
    & skf21("2","7","1","3","2","4","1","1") = "6"
    & skf21("2","7","1","3","2","4","2","1") = "6"
    & skf21("2","7","1","3","2","4","3","1") = "6"
    & skf21("2","7","1","3","2","4","4","1") = "6"
    & skf21("2","7","1","3","2","4","5","1") = "6"
    & skf21("2","7","1","3","2","4","6","1") = "6"
    & skf21("2","7","1","3","2","4","7","1") = "6"
    & skf21("2","7","1","3","2","5","1","1") = "6"
    & skf21("2","7","1","3","2","5","2","1") = "6"
    & skf21("2","7","1","3","2","5","3","1") = "6"
    & skf21("2","7","1","3","2","5","4","1") = "6"
    & skf21("2","7","1","3","2","5","5","1") = "6"
    & skf21("2","7","1","3","2","5","6","1") = "6"
    & skf21("2","7","1","3","2","5","7","1") = "6"
    & skf21("2","7","1","3","2","6","1","1") = "6"
    & skf21("2","7","1","3","2","6","2","1") = "6"
    & skf21("2","7","1","3","2","6","3","1") = "6"
    & skf21("2","7","1","3","2","6","4","1") = "6"
    & skf21("2","7","1","3","2","6","5","1") = "6"
    & skf21("2","7","1","3","2","6","6","1") = "6"
    & skf21("2","7","1","3","2","6","7","1") = "6"
    & skf21("2","7","1","3","2","7","1","1") = "6"
    & skf21("2","7","1","3","2","7","2","1") = "6"
    & skf21("2","7","1","3","2","7","3","1") = "6"
    & skf21("2","7","1","3","2","7","4","1") = "6"
    & skf21("2","7","1","3","2","7","5","1") = "6"
    & skf21("2","7","1","3","2","7","6","1") = "6"
    & skf21("2","7","1","3","2","7","7","1") = "6"
    & skf21("2","7","1","3","3","1","1","1") = "6"
    & skf21("2","7","1","3","3","1","2","1") = "6"
    & skf21("2","7","1","3","3","1","3","1") = "6"
    & skf21("2","7","1","3","3","1","4","1") = "6"
    & skf21("2","7","1","3","3","1","5","1") = "6"
    & skf21("2","7","1","3","3","1","6","1") = "6"
    & skf21("2","7","1","3","3","1","7","1") = "6"
    & skf21("2","7","1","3","3","2","1","1") = "6"
    & skf21("2","7","1","3","3","2","2","1") = "6"
    & skf21("2","7","1","3","3","2","3","1") = "6"
    & skf21("2","7","1","3","3","2","4","1") = "6"
    & skf21("2","7","1","3","3","2","5","1") = "6"
    & skf21("2","7","1","3","3","2","6","1") = "6"
    & skf21("2","7","1","3","3","2","7","1") = "6"
    & skf21("2","7","1","3","3","3","1","1") = "6"
    & skf21("2","7","1","3","3","3","2","1") = "6"
    & skf21("2","7","1","3","3","3","3","1") = "6"
    & skf21("2","7","1","3","3","3","4","1") = "6"
    & skf21("2","7","1","3","3","3","5","1") = "6"
    & skf21("2","7","1","3","3","3","6","1") = "6"
    & skf21("2","7","1","3","3","3","7","1") = "6"
    & skf21("2","7","1","3","3","4","1","1") = "6"
    & skf21("2","7","1","3","3","4","2","1") = "6"
    & skf21("2","7","1","3","3","4","3","1") = "6"
    & skf21("2","7","1","3","3","4","4","1") = "6"
    & skf21("2","7","1","3","3","4","5","1") = "6"
    & skf21("2","7","1","3","3","4","6","1") = "6"
    & skf21("2","7","1","3","3","4","7","1") = "6"
    & skf21("2","7","1","3","3","5","1","1") = "6"
    & skf21("2","7","1","3","3","5","2","1") = "6"
    & skf21("2","7","1","3","3","5","3","1") = "6"
    & skf21("2","7","1","3","3","5","4","1") = "6"
    & skf21("2","7","1","3","3","5","5","1") = "6"
    & skf21("2","7","1","3","3","5","6","1") = "6"
    & skf21("2","7","1","3","3","5","7","1") = "6"
    & skf21("2","7","1","3","3","6","1","1") = "6"
    & skf21("2","7","1","3","3","6","2","1") = "6"
    & skf21("2","7","1","3","3","6","3","1") = "6"
    & skf21("2","7","1","3","3","6","4","1") = "6"
    & skf21("2","7","1","3","3","6","5","1") = "6"
    & skf21("2","7","1","3","3","6","6","1") = "6"
    & skf21("2","7","1","3","3","6","7","1") = "6"
    & skf21("2","7","1","3","3","7","1","1") = "6"
    & skf21("2","7","1","3","3","7","2","1") = "6"
    & skf21("2","7","1","3","3","7","3","1") = "6"
    & skf21("2","7","1","3","3","7","4","1") = "6"
    & skf21("2","7","1","3","3","7","5","1") = "6"
    & skf21("2","7","1","3","3","7","6","1") = "6"
    & skf21("2","7","1","3","3","7","7","1") = "6"
    & skf21("2","7","1","3","4","1","1","1") = "6"
    & skf21("2","7","1","3","4","1","2","1") = "6"
    & skf21("2","7","1","3","4","1","3","1") = "6"
    & skf21("2","7","1","3","4","1","4","1") = "6"
    & skf21("2","7","1","3","4","1","5","1") = "6"
    & skf21("2","7","1","3","4","1","6","1") = "6"
    & skf21("2","7","1","3","4","1","7","1") = "6"
    & skf21("2","7","1","3","4","2","1","1") = "6"
    & skf21("2","7","1","3","4","2","2","1") = "6"
    & skf21("2","7","1","3","4","2","3","1") = "6"
    & skf21("2","7","1","3","4","2","4","1") = "6"
    & skf21("2","7","1","3","4","2","5","1") = "6"
    & skf21("2","7","1","3","4","2","6","1") = "6"
    & skf21("2","7","1","3","4","2","7","1") = "6"
    & skf21("2","7","1","3","4","3","1","1") = "6"
    & skf21("2","7","1","3","4","3","2","1") = "6"
    & skf21("2","7","1","3","4","3","3","1") = "6"
    & skf21("2","7","1","3","4","3","4","1") = "6"
    & skf21("2","7","1","3","4","3","5","1") = "6"
    & skf21("2","7","1","3","4","3","6","1") = "6"
    & skf21("2","7","1","3","4","3","7","1") = "6"
    & skf21("2","7","1","3","4","4","1","1") = "6"
    & skf21("2","7","1","3","4","4","2","1") = "6"
    & skf21("2","7","1","3","4","4","3","1") = "6"
    & skf21("2","7","1","3","4","4","4","1") = "6"
    & skf21("2","7","1","3","4","4","5","1") = "6"
    & skf21("2","7","1","3","4","4","6","1") = "6"
    & skf21("2","7","1","3","4","4","7","1") = "6"
    & skf21("2","7","1","3","4","5","1","1") = "6"
    & skf21("2","7","1","3","4","5","2","1") = "6"
    & skf21("2","7","1","3","4","5","3","1") = "6"
    & skf21("2","7","1","3","4","5","4","1") = "6"
    & skf21("2","7","1","3","4","5","5","1") = "6"
    & skf21("2","7","1","3","4","5","6","1") = "6"
    & skf21("2","7","1","3","4","5","7","1") = "6"
    & skf21("2","7","1","3","4","6","1","1") = "6"
    & skf21("2","7","1","3","4","6","2","1") = "6"
    & skf21("2","7","1","3","4","6","3","1") = "6"
    & skf21("2","7","1","3","4","6","4","1") = "6"
    & skf21("2","7","1","3","4","6","5","1") = "6"
    & skf21("2","7","1","3","4","6","6","1") = "6"
    & skf21("2","7","1","3","4","6","7","1") = "6"
    & skf21("2","7","1","3","4","7","1","1") = "6"
    & skf21("2","7","1","3","4","7","2","1") = "6"
    & skf21("2","7","1","3","4","7","3","1") = "6"
    & skf21("2","7","1","3","4","7","4","1") = "6"
    & skf21("2","7","1","3","4","7","5","1") = "6"
    & skf21("2","7","1","3","4","7","6","1") = "6"
    & skf21("2","7","1","3","4","7","7","1") = "6"
    & skf21("2","7","1","3","5","1","1","1") = "6"
    & skf21("2","7","1","3","5","1","2","1") = "6"
    & skf21("2","7","1","3","5","1","3","1") = "6"
    & skf21("2","7","1","3","5","1","4","1") = "6"
    & skf21("2","7","1","3","5","1","5","1") = "6"
    & skf21("2","7","1","3","5","1","6","1") = "6"
    & skf21("2","7","1","3","5","1","7","1") = "6"
    & skf21("2","7","1","3","5","2","1","1") = "6"
    & skf21("2","7","1","3","5","2","2","1") = "6"
    & skf21("2","7","1","3","5","2","3","1") = "6"
    & skf21("2","7","1","3","5","2","4","1") = "6"
    & skf21("2","7","1","3","5","2","5","1") = "6"
    & skf21("2","7","1","3","5","2","6","1") = "6"
    & skf21("2","7","1","3","5","2","7","1") = "6"
    & skf21("2","7","1","3","5","3","1","1") = "6"
    & skf21("2","7","1","3","5","3","2","1") = "6"
    & skf21("2","7","1","3","5","3","3","1") = "6"
    & skf21("2","7","1","3","5","3","4","1") = "6"
    & skf21("2","7","1","3","5","3","5","1") = "6"
    & skf21("2","7","1","3","5","3","6","1") = "6"
    & skf21("2","7","1","3","5","3","7","1") = "6"
    & skf21("2","7","1","3","5","4","1","1") = "6"
    & skf21("2","7","1","3","5","4","2","1") = "6"
    & skf21("2","7","1","3","5","4","3","1") = "6"
    & skf21("2","7","1","3","5","4","4","1") = "6"
    & skf21("2","7","1","3","5","4","5","1") = "6"
    & skf21("2","7","1","3","5","4","6","1") = "6"
    & skf21("2","7","1","3","5","4","7","1") = "6"
    & skf21("2","7","1","3","5","5","1","1") = "6"
    & skf21("2","7","1","3","5","5","2","1") = "6"
    & skf21("2","7","1","3","5","5","3","1") = "6"
    & skf21("2","7","1","3","5","5","4","1") = "6"
    & skf21("2","7","1","3","5","5","5","1") = "6"
    & skf21("2","7","1","3","5","5","6","1") = "6"
    & skf21("2","7","1","3","5","5","7","1") = "6"
    & skf21("2","7","1","3","5","6","1","1") = "6"
    & skf21("2","7","1","3","5","6","2","1") = "6"
    & skf21("2","7","1","3","5","6","3","1") = "6"
    & skf21("2","7","1","3","5","6","4","1") = "6"
    & skf21("2","7","1","3","5","6","5","1") = "6"
    & skf21("2","7","1","3","5","6","6","1") = "6"
    & skf21("2","7","1","3","5","6","7","1") = "6"
    & skf21("2","7","1","3","5","7","1","1") = "6"
    & skf21("2","7","1","3","5","7","2","1") = "6"
    & skf21("2","7","1","3","5","7","3","1") = "6"
    & skf21("2","7","1","3","5","7","4","1") = "6"
    & skf21("2","7","1","3","5","7","5","1") = "6"
    & skf21("2","7","1","3","5","7","6","1") = "6"
    & skf21("2","7","1","3","5","7","7","1") = "6"
    & skf21("2","7","1","3","6","1","1","1") = "6"
    & skf21("2","7","1","3","6","1","2","1") = "6"
    & skf21("2","7","1","3","6","1","3","1") = "6"
    & skf21("2","7","1","3","6","1","4","1") = "6"
    & skf21("2","7","1","3","6","1","5","1") = "6"
    & skf21("2","7","1","3","6","1","6","1") = "6"
    & skf21("2","7","1","3","6","1","7","1") = "6"
    & skf21("2","7","1","3","6","2","1","1") = "6"
    & skf21("2","7","1","3","6","2","2","1") = "6"
    & skf21("2","7","1","3","6","2","3","1") = "6"
    & skf21("2","7","1","3","6","2","4","1") = "6"
    & skf21("2","7","1","3","6","2","5","1") = "6"
    & skf21("2","7","1","3","6","2","6","1") = "6"
    & skf21("2","7","1","3","6","2","7","1") = "6"
    & skf21("2","7","1","3","6","3","1","1") = "6"
    & skf21("2","7","1","3","6","3","2","1") = "6"
    & skf21("2","7","1","3","6","3","3","1") = "6"
    & skf21("2","7","1","3","6","3","4","1") = "6"
    & skf21("2","7","1","3","6","3","5","1") = "6"
    & skf21("2","7","1","3","6","3","6","1") = "6"
    & skf21("2","7","1","3","6","3","7","1") = "6"
    & skf21("2","7","1","3","6","4","1","1") = "6"
    & skf21("2","7","1","3","6","4","2","1") = "6"
    & skf21("2","7","1","3","6","4","3","1") = "6"
    & skf21("2","7","1","3","6","4","4","1") = "6"
    & skf21("2","7","1","3","6","4","5","1") = "6"
    & skf21("2","7","1","3","6","4","6","1") = "6"
    & skf21("2","7","1","3","6","4","7","1") = "6"
    & skf21("2","7","1","3","6","5","1","1") = "6"
    & skf21("2","7","1","3","6","5","2","1") = "6"
    & skf21("2","7","1","3","6","5","3","1") = "6"
    & skf21("2","7","1","3","6","5","4","1") = "6"
    & skf21("2","7","1","3","6","5","5","1") = "6"
    & skf21("2","7","1","3","6","5","6","1") = "6"
    & skf21("2","7","1","3","6","5","7","1") = "6"
    & skf21("2","7","1","3","6","6","1","1") = "6"
    & skf21("2","7","1","3","6","6","2","1") = "6"
    & skf21("2","7","1","3","6","6","3","1") = "6"
    & skf21("2","7","1","3","6","6","4","1") = "6"
    & skf21("2","7","1","3","6","6","5","1") = "6"
    & skf21("2","7","1","3","6","6","6","1") = "6"
    & skf21("2","7","1","3","6","6","7","1") = "6"
    & skf21("2","7","1","3","6","7","1","1") = "6"
    & skf21("2","7","1","3","6","7","2","1") = "6"
    & skf21("2","7","1","3","6","7","3","1") = "6"
    & skf21("2","7","1","3","6","7","4","1") = "6"
    & skf21("2","7","1","3","6","7","5","1") = "6"
    & skf21("2","7","1","3","6","7","6","1") = "6"
    & skf21("2","7","1","3","6","7","7","1") = "6"
    & skf21("2","7","1","3","7","1","1","1") = "6"
    & skf21("2","7","1","3","7","1","2","1") = "6"
    & skf21("2","7","1","3","7","1","3","1") = "6"
    & skf21("2","7","1","3","7","1","4","1") = "6"
    & skf21("2","7","1","3","7","1","5","1") = "6"
    & skf21("2","7","1","3","7","1","6","1") = "6"
    & skf21("2","7","1","3","7","1","7","1") = "6"
    & skf21("2","7","1","3","7","2","1","1") = "6"
    & skf21("2","7","1","3","7","2","2","1") = "6"
    & skf21("2","7","1","3","7","2","3","1") = "6"
    & skf21("2","7","1","3","7","2","4","1") = "6"
    & skf21("2","7","1","3","7","2","5","1") = "6"
    & skf21("2","7","1","3","7","2","6","1") = "6"
    & skf21("2","7","1","3","7","2","7","1") = "6"
    & skf21("2","7","1","3","7","3","1","1") = "6"
    & skf21("2","7","1","3","7","3","2","1") = "6"
    & skf21("2","7","1","3","7","3","3","1") = "6"
    & skf21("2","7","1","3","7","3","4","1") = "6"
    & skf21("2","7","1","3","7","3","5","1") = "6"
    & skf21("2","7","1","3","7","3","6","1") = "6"
    & skf21("2","7","1","3","7","3","7","1") = "6"
    & skf21("2","7","1","3","7","4","1","1") = "6"
    & skf21("2","7","1","3","7","4","2","1") = "6"
    & skf21("2","7","1","3","7","4","3","1") = "6"
    & skf21("2","7","1","3","7","4","4","1") = "6"
    & skf21("2","7","1","3","7","4","5","1") = "6"
    & skf21("2","7","1","3","7","4","6","1") = "6"
    & skf21("2","7","1","3","7","4","7","1") = "6"
    & skf21("2","7","1","3","7","5","1","1") = "6"
    & skf21("2","7","1","3","7","5","2","1") = "6"
    & skf21("2","7","1","3","7","5","3","1") = "6"
    & skf21("2","7","1","3","7","5","4","1") = "6"
    & skf21("2","7","1","3","7","5","5","1") = "6"
    & skf21("2","7","1","3","7","5","6","1") = "6"
    & skf21("2","7","1","3","7","5","7","1") = "6"
    & skf21("2","7","1","3","7","6","1","1") = "6"
    & skf21("2","7","1","3","7","6","2","1") = "6"
    & skf21("2","7","1","3","7","6","3","1") = "6"
    & skf21("2","7","1","3","7","6","4","1") = "6"
    & skf21("2","7","1","3","7","6","5","1") = "6"
    & skf21("2","7","1","3","7","6","6","1") = "6"
    & skf21("2","7","1","3","7","6","7","1") = "6"
    & skf21("2","7","1","3","7","7","1","1") = "6"
    & skf21("2","7","1","3","7","7","2","1") = "6"
    & skf21("2","7","1","3","7","7","3","1") = "6"
    & skf21("2","7","1","3","7","7","4","1") = "6"
    & skf21("2","7","1","3","7","7","5","1") = "6"
    & skf21("2","7","1","3","7","7","6","1") = "6"
    & skf21("2","7","1","3","7","7","7","1") = "6"
    & skf21("2","7","1","4","1","1","1","1") = "6"
    & skf21("2","7","1","4","1","1","2","1") = "6"
    & skf21("2","7","1","4","1","1","3","1") = "6"
    & skf21("2","7","1","4","1","1","4","1") = "6"
    & skf21("2","7","1","4","1","1","5","1") = "6"
    & skf21("2","7","1","4","1","1","6","1") = "6"
    & skf21("2","7","1","4","1","1","7","1") = "6"
    & skf21("2","7","1","4","1","2","1","1") = "6"
    & skf21("2","7","1","4","1","2","2","1") = "6"
    & skf21("2","7","1","4","1","2","3","1") = "6"
    & skf21("2","7","1","4","1","2","4","1") = "6"
    & skf21("2","7","1","4","1","2","5","1") = "6"
    & skf21("2","7","1","4","1","2","6","1") = "6"
    & skf21("2","7","1","4","1","2","7","1") = "6"
    & skf21("2","7","1","4","1","3","1","1") = "6"
    & skf21("2","7","1","4","1","3","2","1") = "6"
    & skf21("2","7","1","4","1","3","3","1") = "6"
    & skf21("2","7","1","4","1","3","4","1") = "6"
    & skf21("2","7","1","4","1","3","5","1") = "6"
    & skf21("2","7","1","4","1","3","6","1") = "6"
    & skf21("2","7","1","4","1","3","7","1") = "6"
    & skf21("2","7","1","4","1","4","1","1") = "6"
    & skf21("2","7","1","4","1","4","2","1") = "6"
    & skf21("2","7","1","4","1","4","3","1") = "6"
    & skf21("2","7","1","4","1","4","4","1") = "6"
    & skf21("2","7","1","4","1","4","5","1") = "6"
    & skf21("2","7","1","4","1","4","6","1") = "6"
    & skf21("2","7","1","4","1","4","7","1") = "6"
    & skf21("2","7","1","4","1","5","1","1") = "6"
    & skf21("2","7","1","4","1","5","2","1") = "6"
    & skf21("2","7","1","4","1","5","3","1") = "6"
    & skf21("2","7","1","4","1","5","4","1") = "6"
    & skf21("2","7","1","4","1","5","5","1") = "6"
    & skf21("2","7","1","4","1","5","6","1") = "6"
    & skf21("2","7","1","4","1","5","7","1") = "6"
    & skf21("2","7","1","4","1","6","1","1") = "6"
    & skf21("2","7","1","4","1","6","2","1") = "6"
    & skf21("2","7","1","4","1","6","3","1") = "6"
    & skf21("2","7","1","4","1","6","4","1") = "6"
    & skf21("2","7","1","4","1","6","5","1") = "6"
    & skf21("2","7","1","4","1","6","6","1") = "6"
    & skf21("2","7","1","4","1","6","7","1") = "6"
    & skf21("2","7","1","4","1","7","1","1") = "6"
    & skf21("2","7","1","4","1","7","2","1") = "6"
    & skf21("2","7","1","4","1","7","3","1") = "6"
    & skf21("2","7","1","4","1","7","4","1") = "6"
    & skf21("2","7","1","4","1","7","5","1") = "6"
    & skf21("2","7","1","4","1","7","6","1") = "6"
    & skf21("2","7","1","4","1","7","7","1") = "6"
    & skf21("2","7","1","4","2","1","1","1") = "6"
    & skf21("2","7","1","4","2","1","2","1") = "6"
    & skf21("2","7","1","4","2","1","3","1") = "6"
    & skf21("2","7","1","4","2","1","4","1") = "6"
    & skf21("2","7","1","4","2","1","5","1") = "6"
    & skf21("2","7","1","4","2","1","6","1") = "6"
    & skf21("2","7","1","4","2","1","7","1") = "6"
    & skf21("2","7","1","4","2","2","1","1") = "6"
    & skf21("2","7","1","4","2","2","2","1") = "6"
    & skf21("2","7","1","4","2","2","3","1") = "6"
    & skf21("2","7","1","4","2","2","4","1") = "6"
    & skf21("2","7","1","4","2","2","5","1") = "6"
    & skf21("2","7","1","4","2","2","6","1") = "6"
    & skf21("2","7","1","4","2","2","7","1") = "6"
    & skf21("2","7","1","4","2","3","1","1") = "6"
    & skf21("2","7","1","4","2","3","2","1") = "6"
    & skf21("2","7","1","4","2","3","3","1") = "6"
    & skf21("2","7","1","4","2","3","4","1") = "6"
    & skf21("2","7","1","4","2","3","5","1") = "6"
    & skf21("2","7","1","4","2","3","6","1") = "6"
    & skf21("2","7","1","4","2","3","7","1") = "6"
    & skf21("2","7","1","4","2","4","1","1") = "6"
    & skf21("2","7","1","4","2","4","2","1") = "6"
    & skf21("2","7","1","4","2","4","3","1") = "6"
    & skf21("2","7","1","4","2","4","4","1") = "6"
    & skf21("2","7","1","4","2","4","5","1") = "6"
    & skf21("2","7","1","4","2","4","6","1") = "6"
    & skf21("2","7","1","4","2","4","7","1") = "6"
    & skf21("2","7","1","4","2","5","1","1") = "6"
    & skf21("2","7","1","4","2","5","2","1") = "6"
    & skf21("2","7","1","4","2","5","3","1") = "6"
    & skf21("2","7","1","4","2","5","4","1") = "6"
    & skf21("2","7","1","4","2","5","5","1") = "6"
    & skf21("2","7","1","4","2","5","6","1") = "6"
    & skf21("2","7","1","4","2","5","7","1") = "6"
    & skf21("2","7","1","4","2","6","1","1") = "6"
    & skf21("2","7","1","4","2","6","2","1") = "6"
    & skf21("2","7","1","4","2","6","3","1") = "6"
    & skf21("2","7","1","4","2","6","4","1") = "6"
    & skf21("2","7","1","4","2","6","5","1") = "6"
    & skf21("2","7","1","4","2","6","6","1") = "6"
    & skf21("2","7","1","4","2","6","7","1") = "6"
    & skf21("2","7","1","4","2","7","1","1") = "6"
    & skf21("2","7","1","4","2","7","2","1") = "6"
    & skf21("2","7","1","4","2","7","3","1") = "6"
    & skf21("2","7","1","4","2","7","4","1") = "6"
    & skf21("2","7","1","4","2","7","5","1") = "6"
    & skf21("2","7","1","4","2","7","6","1") = "6"
    & skf21("2","7","1","4","2","7","7","1") = "6"
    & skf21("2","7","1","4","3","1","1","1") = "6"
    & skf21("2","7","1","4","3","1","2","1") = "6"
    & skf21("2","7","1","4","3","1","3","1") = "6"
    & skf21("2","7","1","4","3","1","4","1") = "6"
    & skf21("2","7","1","4","3","1","5","1") = "6"
    & skf21("2","7","1","4","3","1","6","1") = "6"
    & skf21("2","7","1","4","3","1","7","1") = "6"
    & skf21("2","7","1","4","3","2","1","1") = "6"
    & skf21("2","7","1","4","3","2","2","1") = "6"
    & skf21("2","7","1","4","3","2","3","1") = "6"
    & skf21("2","7","1","4","3","2","4","1") = "6"
    & skf21("2","7","1","4","3","2","5","1") = "6"
    & skf21("2","7","1","4","3","2","6","1") = "6"
    & skf21("2","7","1","4","3","2","7","1") = "6"
    & skf21("2","7","1","4","3","3","1","1") = "6"
    & skf21("2","7","1","4","3","3","2","1") = "6"
    & skf21("2","7","1","4","3","3","3","1") = "6"
    & skf21("2","7","1","4","3","3","4","1") = "6"
    & skf21("2","7","1","4","3","3","5","1") = "6"
    & skf21("2","7","1","4","3","3","6","1") = "6"
    & skf21("2","7","1","4","3","3","7","1") = "6"
    & skf21("2","7","1","4","3","4","1","1") = "6"
    & skf21("2","7","1","4","3","4","2","1") = "6"
    & skf21("2","7","1","4","3","4","3","1") = "6"
    & skf21("2","7","1","4","3","4","4","1") = "6"
    & skf21("2","7","1","4","3","4","5","1") = "6"
    & skf21("2","7","1","4","3","4","6","1") = "6"
    & skf21("2","7","1","4","3","4","7","1") = "6"
    & skf21("2","7","1","4","3","5","1","1") = "6"
    & skf21("2","7","1","4","3","5","2","1") = "6"
    & skf21("2","7","1","4","3","5","3","1") = "6"
    & skf21("2","7","1","4","3","5","4","1") = "6"
    & skf21("2","7","1","4","3","5","5","1") = "6"
    & skf21("2","7","1","4","3","5","6","1") = "6"
    & skf21("2","7","1","4","3","5","7","1") = "6"
    & skf21("2","7","1","4","3","6","1","1") = "6"
    & skf21("2","7","1","4","3","6","2","1") = "6"
    & skf21("2","7","1","4","3","6","3","1") = "6"
    & skf21("2","7","1","4","3","6","4","1") = "6"
    & skf21("2","7","1","4","3","6","5","1") = "6"
    & skf21("2","7","1","4","3","6","6","1") = "6"
    & skf21("2","7","1","4","3","6","7","1") = "6"
    & skf21("2","7","1","4","3","7","1","1") = "6"
    & skf21("2","7","1","4","3","7","2","1") = "6"
    & skf21("2","7","1","4","3","7","3","1") = "6"
    & skf21("2","7","1","4","3","7","4","1") = "6"
    & skf21("2","7","1","4","3","7","5","1") = "6"
    & skf21("2","7","1","4","3","7","6","1") = "6"
    & skf21("2","7","1","4","3","7","7","1") = "6"
    & skf21("2","7","1","4","4","1","1","1") = "6"
    & skf21("2","7","1","4","4","1","2","1") = "6"
    & skf21("2","7","1","4","4","1","3","1") = "6"
    & skf21("2","7","1","4","4","1","4","1") = "6"
    & skf21("2","7","1","4","4","1","5","1") = "6"
    & skf21("2","7","1","4","4","1","6","1") = "6"
    & skf21("2","7","1","4","4","1","7","1") = "6"
    & skf21("2","7","1","4","4","2","1","1") = "6"
    & skf21("2","7","1","4","4","2","2","1") = "6"
    & skf21("2","7","1","4","4","2","3","1") = "6"
    & skf21("2","7","1","4","4","2","4","1") = "6"
    & skf21("2","7","1","4","4","2","5","1") = "6"
    & skf21("2","7","1","4","4","2","6","1") = "6"
    & skf21("2","7","1","4","4","2","7","1") = "6"
    & skf21("2","7","1","4","4","3","1","1") = "6"
    & skf21("2","7","1","4","4","3","2","1") = "6"
    & skf21("2","7","1","4","4","3","3","1") = "6"
    & skf21("2","7","1","4","4","3","4","1") = "6"
    & skf21("2","7","1","4","4","3","5","1") = "6"
    & skf21("2","7","1","4","4","3","6","1") = "6"
    & skf21("2","7","1","4","4","3","7","1") = "6"
    & skf21("2","7","1","4","4","4","1","1") = "6"
    & skf21("2","7","1","4","4","4","2","1") = "6"
    & skf21("2","7","1","4","4","4","3","1") = "6"
    & skf21("2","7","1","4","4","4","4","1") = "6"
    & skf21("2","7","1","4","4","4","5","1") = "6"
    & skf21("2","7","1","4","4","4","6","1") = "6"
    & skf21("2","7","1","4","4","4","7","1") = "6"
    & skf21("2","7","1","4","4","5","1","1") = "6"
    & skf21("2","7","1","4","4","5","2","1") = "6"
    & skf21("2","7","1","4","4","5","3","1") = "6"
    & skf21("2","7","1","4","4","5","4","1") = "6"
    & skf21("2","7","1","4","4","5","5","1") = "6"
    & skf21("2","7","1","4","4","5","6","1") = "6"
    & skf21("2","7","1","4","4","5","7","1") = "6"
    & skf21("2","7","1","4","4","6","1","1") = "6"
    & skf21("2","7","1","4","4","6","2","1") = "6"
    & skf21("2","7","1","4","4","6","3","1") = "6"
    & skf21("2","7","1","4","4","6","4","1") = "6"
    & skf21("2","7","1","4","4","6","5","1") = "6"
    & skf21("2","7","1","4","4","6","6","1") = "6"
    & skf21("2","7","1","4","4","6","7","1") = "6"
    & skf21("2","7","1","4","4","7","1","1") = "6"
    & skf21("2","7","1","4","4","7","2","1") = "6"
    & skf21("2","7","1","4","4","7","3","1") = "6"
    & skf21("2","7","1","4","4","7","4","1") = "6"
    & skf21("2","7","1","4","4","7","5","1") = "6"
    & skf21("2","7","1","4","4","7","6","1") = "6"
    & skf21("2","7","1","4","4","7","7","1") = "6"
    & skf21("2","7","1","4","5","1","1","1") = "6"
    & skf21("2","7","1","4","5","1","2","1") = "6"
    & skf21("2","7","1","4","5","1","3","1") = "6"
    & skf21("2","7","1","4","5","1","4","1") = "6"
    & skf21("2","7","1","4","5","1","5","1") = "6"
    & skf21("2","7","1","4","5","1","6","1") = "6"
    & skf21("2","7","1","4","5","1","7","1") = "6"
    & skf21("2","7","1","4","5","2","1","1") = "6"
    & skf21("2","7","1","4","5","2","2","1") = "6"
    & skf21("2","7","1","4","5","2","3","1") = "6"
    & skf21("2","7","1","4","5","2","4","1") = "6"
    & skf21("2","7","1","4","5","2","5","1") = "6"
    & skf21("2","7","1","4","5","2","6","1") = "6"
    & skf21("2","7","1","4","5","2","7","1") = "6"
    & skf21("2","7","1","4","5","3","1","1") = "6"
    & skf21("2","7","1","4","5","3","2","1") = "6"
    & skf21("2","7","1","4","5","3","3","1") = "6"
    & skf21("2","7","1","4","5","3","4","1") = "6"
    & skf21("2","7","1","4","5","3","5","1") = "6"
    & skf21("2","7","1","4","5","3","6","1") = "6"
    & skf21("2","7","1","4","5","3","7","1") = "6"
    & skf21("2","7","1","4","5","4","1","1") = "6"
    & skf21("2","7","1","4","5","4","2","1") = "6"
    & skf21("2","7","1","4","5","4","3","1") = "6"
    & skf21("2","7","1","4","5","4","4","1") = "6"
    & skf21("2","7","1","4","5","4","5","1") = "6"
    & skf21("2","7","1","4","5","4","6","1") = "6"
    & skf21("2","7","1","4","5","4","7","1") = "6"
    & skf21("2","7","1","4","5","5","1","1") = "6"
    & skf21("2","7","1","4","5","5","2","1") = "6"
    & skf21("2","7","1","4","5","5","3","1") = "6"
    & skf21("2","7","1","4","5","5","4","1") = "6"
    & skf21("2","7","1","4","5","5","5","1") = "6"
    & skf21("2","7","1","4","5","5","6","1") = "6"
    & skf21("2","7","1","4","5","5","7","1") = "6"
    & skf21("2","7","1","4","5","6","1","1") = "6"
    & skf21("2","7","1","4","5","6","2","1") = "6"
    & skf21("2","7","1","4","5","6","3","1") = "6"
    & skf21("2","7","1","4","5","6","4","1") = "6"
    & skf21("2","7","1","4","5","6","5","1") = "6"
    & skf21("2","7","1","4","5","6","6","1") = "6"
    & skf21("2","7","1","4","5","6","7","1") = "6"
    & skf21("2","7","1","4","5","7","1","1") = "6"
    & skf21("2","7","1","4","5","7","2","1") = "6"
    & skf21("2","7","1","4","5","7","3","1") = "6"
    & skf21("2","7","1","4","5","7","4","1") = "6"
    & skf21("2","7","1","4","5","7","5","1") = "6"
    & skf21("2","7","1","4","5","7","6","1") = "6"
    & skf21("2","7","1","4","5","7","7","1") = "6"
    & skf21("2","7","1","4","6","1","1","1") = "6"
    & skf21("2","7","1","4","6","1","2","1") = "6"
    & skf21("2","7","1","4","6","1","3","1") = "6"
    & skf21("2","7","1","4","6","1","4","1") = "6"
    & skf21("2","7","1","4","6","1","5","1") = "6"
    & skf21("2","7","1","4","6","1","6","1") = "6"
    & skf21("2","7","1","4","6","1","7","1") = "6"
    & skf21("2","7","1","4","6","2","1","1") = "6"
    & skf21("2","7","1","4","6","2","2","1") = "6"
    & skf21("2","7","1","4","6","2","3","1") = "6"
    & skf21("2","7","1","4","6","2","4","1") = "6"
    & skf21("2","7","1","4","6","2","5","1") = "6"
    & skf21("2","7","1","4","6","2","6","1") = "6"
    & skf21("2","7","1","4","6","2","7","1") = "6"
    & skf21("2","7","1","4","6","3","1","1") = "6"
    & skf21("2","7","1","4","6","3","2","1") = "6"
    & skf21("2","7","1","4","6","3","3","1") = "6"
    & skf21("2","7","1","4","6","3","4","1") = "6"
    & skf21("2","7","1","4","6","3","5","1") = "6"
    & skf21("2","7","1","4","6","3","6","1") = "6"
    & skf21("2","7","1","4","6","3","7","1") = "6"
    & skf21("2","7","1","4","6","4","1","1") = "6"
    & skf21("2","7","1","4","6","4","2","1") = "6"
    & skf21("2","7","1","4","6","4","3","1") = "6"
    & skf21("2","7","1","4","6","4","4","1") = "6"
    & skf21("2","7","1","4","6","4","5","1") = "6"
    & skf21("2","7","1","4","6","4","6","1") = "6"
    & skf21("2","7","1","4","6","4","7","1") = "6"
    & skf21("2","7","1","4","6","5","1","1") = "6"
    & skf21("2","7","1","4","6","5","2","1") = "6"
    & skf21("2","7","1","4","6","5","3","1") = "6"
    & skf21("2","7","1","4","6","5","4","1") = "6"
    & skf21("2","7","1","4","6","5","5","1") = "6"
    & skf21("2","7","1","4","6","5","6","1") = "6"
    & skf21("2","7","1","4","6","5","7","1") = "6"
    & skf21("2","7","1","4","6","6","1","1") = "6"
    & skf21("2","7","1","4","6","6","2","1") = "6"
    & skf21("2","7","1","4","6","6","3","1") = "6"
    & skf21("2","7","1","4","6","6","4","1") = "6"
    & skf21("2","7","1","4","6","6","5","1") = "6"
    & skf21("2","7","1","4","6","6","6","1") = "6"
    & skf21("2","7","1","4","6","6","7","1") = "6"
    & skf21("2","7","1","4","6","7","1","1") = "6"
    & skf21("2","7","1","4","6","7","2","1") = "6"
    & skf21("2","7","1","4","6","7","3","1") = "6"
    & skf21("2","7","1","4","6","7","4","1") = "6"
    & skf21("2","7","1","4","6","7","5","1") = "6"
    & skf21("2","7","1","4","6","7","6","1") = "6"
    & skf21("2","7","1","4","6","7","7","1") = "6"
    & skf21("2","7","1","4","7","1","1","1") = "6"
    & skf21("2","7","1","4","7","1","2","1") = "6"
    & skf21("2","7","1","4","7","1","3","1") = "6"
    & skf21("2","7","1","4","7","1","4","1") = "6"
    & skf21("2","7","1","4","7","1","5","1") = "6"
    & skf21("2","7","1","4","7","1","6","1") = "6"
    & skf21("2","7","1","4","7","1","7","1") = "6"
    & skf21("2","7","1","4","7","2","1","1") = "6"
    & skf21("2","7","1","4","7","2","2","1") = "6"
    & skf21("2","7","1","4","7","2","3","1") = "6"
    & skf21("2","7","1","4","7","2","4","1") = "6"
    & skf21("2","7","1","4","7","2","5","1") = "6"
    & skf21("2","7","1","4","7","2","6","1") = "6"
    & skf21("2","7","1","4","7","2","7","1") = "6"
    & skf21("2","7","1","4","7","3","1","1") = "6"
    & skf21("2","7","1","4","7","3","2","1") = "6"
    & skf21("2","7","1","4","7","3","3","1") = "6"
    & skf21("2","7","1","4","7","3","4","1") = "6"
    & skf21("2","7","1","4","7","3","5","1") = "6"
    & skf21("2","7","1","4","7","3","6","1") = "6"
    & skf21("2","7","1","4","7","3","7","1") = "6"
    & skf21("2","7","1","4","7","4","1","1") = "6"
    & skf21("2","7","1","4","7","4","2","1") = "6"
    & skf21("2","7","1","4","7","4","3","1") = "6"
    & skf21("2","7","1","4","7","4","4","1") = "6"
    & skf21("2","7","1","4","7","4","5","1") = "6"
    & skf21("2","7","1","4","7","4","6","1") = "6"
    & skf21("2","7","1","4","7","4","7","1") = "6"
    & skf21("2","7","1","4","7","5","1","1") = "6"
    & skf21("2","7","1","4","7","5","2","1") = "6"
    & skf21("2","7","1","4","7","5","3","1") = "6"
    & skf21("2","7","1","4","7","5","4","1") = "6"
    & skf21("2","7","1","4","7","5","5","1") = "6"
    & skf21("2","7","1","4","7","5","6","1") = "6"
    & skf21("2","7","1","4","7","5","7","1") = "6"
    & skf21("2","7","1","4","7","6","1","1") = "6"
    & skf21("2","7","1","4","7","6","2","1") = "6"
    & skf21("2","7","1","4","7","6","3","1") = "6"
    & skf21("2","7","1","4","7","6","4","1") = "6"
    & skf21("2","7","1","4","7","6","5","1") = "6"
    & skf21("2","7","1","4","7","6","6","1") = "6"
    & skf21("2","7","1","4","7","6","7","1") = "6"
    & skf21("2","7","1","4","7","7","1","1") = "6"
    & skf21("2","7","1","4","7","7","2","1") = "6"
    & skf21("2","7","1","4","7","7","3","1") = "6"
    & skf21("2","7","1","4","7","7","4","1") = "6"
    & skf21("2","7","1","4","7","7","5","1") = "6"
    & skf21("2","7","1","4","7","7","6","1") = "6"
    & skf21("2","7","1","4","7","7","7","1") = "6"
    & skf21("2","7","1","5","1","1","1","1") = "6"
    & skf21("2","7","1","5","1","1","2","1") = "6"
    & skf21("2","7","1","5","1","1","3","1") = "6"
    & skf21("2","7","1","5","1","1","4","1") = "6"
    & skf21("2","7","1","5","1","1","5","1") = "6"
    & skf21("2","7","1","5","1","1","6","1") = "6"
    & skf21("2","7","1","5","1","1","7","1") = "6"
    & skf21("2","7","1","5","1","2","1","1") = "6"
    & skf21("2","7","1","5","1","2","2","1") = "6"
    & skf21("2","7","1","5","1","2","3","1") = "6"
    & skf21("2","7","1","5","1","2","4","1") = "6"
    & skf21("2","7","1","5","1","2","5","1") = "6"
    & skf21("2","7","1","5","1","2","6","1") = "6"
    & skf21("2","7","1","5","1","2","7","1") = "6"
    & skf21("2","7","1","5","1","3","1","1") = "6"
    & skf21("2","7","1","5","1","3","2","1") = "6"
    & skf21("2","7","1","5","1","3","3","1") = "6"
    & skf21("2","7","1","5","1","3","4","1") = "6"
    & skf21("2","7","1","5","1","3","5","1") = "6"
    & skf21("2","7","1","5","1","3","6","1") = "6"
    & skf21("2","7","1","5","1","3","7","1") = "6"
    & skf21("2","7","1","5","1","4","1","1") = "6"
    & skf21("2","7","1","5","1","4","2","1") = "6"
    & skf21("2","7","1","5","1","4","3","1") = "6"
    & skf21("2","7","1","5","1","4","4","1") = "6"
    & skf21("2","7","1","5","1","4","5","1") = "6"
    & skf21("2","7","1","5","1","4","6","1") = "6"
    & skf21("2","7","1","5","1","4","7","1") = "6"
    & skf21("2","7","1","5","1","5","1","1") = "6"
    & skf21("2","7","1","5","1","5","2","1") = "6"
    & skf21("2","7","1","5","1","5","3","1") = "6"
    & skf21("2","7","1","5","1","5","4","1") = "6"
    & skf21("2","7","1","5","1","5","5","1") = "6"
    & skf21("2","7","1","5","1","5","6","1") = "6"
    & skf21("2","7","1","5","1","5","7","1") = "6"
    & skf21("2","7","1","5","1","6","1","1") = "6"
    & skf21("2","7","1","5","1","6","2","1") = "6"
    & skf21("2","7","1","5","1","6","3","1") = "6"
    & skf21("2","7","1","5","1","6","4","1") = "6"
    & skf21("2","7","1","5","1","6","5","1") = "6"
    & skf21("2","7","1","5","1","6","6","1") = "6"
    & skf21("2","7","1","5","1","6","7","1") = "6"
    & skf21("2","7","1","5","1","7","1","1") = "6"
    & skf21("2","7","1","5","1","7","2","1") = "6"
    & skf21("2","7","1","5","1","7","3","1") = "6"
    & skf21("2","7","1","5","1","7","4","1") = "6"
    & skf21("2","7","1","5","1","7","5","1") = "6"
    & skf21("2","7","1","5","1","7","6","1") = "6"
    & skf21("2","7","1","5","1","7","7","1") = "6"
    & skf21("2","7","1","5","2","1","1","1") = "6"
    & skf21("2","7","1","5","2","1","2","1") = "6"
    & skf21("2","7","1","5","2","1","3","1") = "6"
    & skf21("2","7","1","5","2","1","4","1") = "6"
    & skf21("2","7","1","5","2","1","5","1") = "6"
    & skf21("2","7","1","5","2","1","6","1") = "6"
    & skf21("2","7","1","5","2","1","7","1") = "6"
    & skf21("2","7","1","5","2","2","1","1") = "6"
    & skf21("2","7","1","5","2","2","2","1") = "6"
    & skf21("2","7","1","5","2","2","3","1") = "6"
    & skf21("2","7","1","5","2","2","4","1") = "6"
    & skf21("2","7","1","5","2","2","5","1") = "6"
    & skf21("2","7","1","5","2","2","6","1") = "6"
    & skf21("2","7","1","5","2","2","7","1") = "6"
    & skf21("2","7","1","5","2","3","1","1") = "6"
    & skf21("2","7","1","5","2","3","2","1") = "6"
    & skf21("2","7","1","5","2","3","3","1") = "6"
    & skf21("2","7","1","5","2","3","4","1") = "6"
    & skf21("2","7","1","5","2","3","5","1") = "6"
    & skf21("2","7","1","5","2","3","6","1") = "6"
    & skf21("2","7","1","5","2","3","7","1") = "6"
    & skf21("2","7","1","5","2","4","1","1") = "6"
    & skf21("2","7","1","5","2","4","2","1") = "6"
    & skf21("2","7","1","5","2","4","3","1") = "6"
    & skf21("2","7","1","5","2","4","4","1") = "6"
    & skf21("2","7","1","5","2","4","5","1") = "6"
    & skf21("2","7","1","5","2","4","6","1") = "6"
    & skf21("2","7","1","5","2","4","7","1") = "6"
    & skf21("2","7","1","5","2","5","1","1") = "6"
    & skf21("2","7","1","5","2","5","2","1") = "6"
    & skf21("2","7","1","5","2","5","3","1") = "6"
    & skf21("2","7","1","5","2","5","4","1") = "6"
    & skf21("2","7","1","5","2","5","5","1") = "6"
    & skf21("2","7","1","5","2","5","6","1") = "6"
    & skf21("2","7","1","5","2","5","7","1") = "6"
    & skf21("2","7","1","5","2","6","1","1") = "6"
    & skf21("2","7","1","5","2","6","2","1") = "6"
    & skf21("2","7","1","5","2","6","3","1") = "6"
    & skf21("2","7","1","5","2","6","4","1") = "6"
    & skf21("2","7","1","5","2","6","5","1") = "6"
    & skf21("2","7","1","5","2","6","6","1") = "6"
    & skf21("2","7","1","5","2","6","7","1") = "6"
    & skf21("2","7","1","5","2","7","1","1") = "6"
    & skf21("2","7","1","5","2","7","2","1") = "6"
    & skf21("2","7","1","5","2","7","3","1") = "6"
    & skf21("2","7","1","5","2","7","4","1") = "6"
    & skf21("2","7","1","5","2","7","5","1") = "6"
    & skf21("2","7","1","5","2","7","6","1") = "6"
    & skf21("2","7","1","5","2","7","7","1") = "6"
    & skf21("2","7","1","5","3","1","1","1") = "6"
    & skf21("2","7","1","5","3","1","2","1") = "6"
    & skf21("2","7","1","5","3","1","3","1") = "6"
    & skf21("2","7","1","5","3","1","4","1") = "6"
    & skf21("2","7","1","5","3","1","5","1") = "6"
    & skf21("2","7","1","5","3","1","6","1") = "6"
    & skf21("2","7","1","5","3","1","7","1") = "6"
    & skf21("2","7","1","5","3","2","1","1") = "6"
    & skf21("2","7","1","5","3","2","2","1") = "6"
    & skf21("2","7","1","5","3","2","3","1") = "6"
    & skf21("2","7","1","5","3","2","4","1") = "6"
    & skf21("2","7","1","5","3","2","5","1") = "6"
    & skf21("2","7","1","5","3","2","6","1") = "6"
    & skf21("2","7","1","5","3","2","7","1") = "6"
    & skf21("2","7","1","5","3","3","1","1") = "6"
    & skf21("2","7","1","5","3","3","2","1") = "6"
    & skf21("2","7","1","5","3","3","3","1") = "6"
    & skf21("2","7","1","5","3","3","4","1") = "6"
    & skf21("2","7","1","5","3","3","5","1") = "6"
    & skf21("2","7","1","5","3","3","6","1") = "6"
    & skf21("2","7","1","5","3","3","7","1") = "6"
    & skf21("2","7","1","5","3","4","1","1") = "6"
    & skf21("2","7","1","5","3","4","2","1") = "6"
    & skf21("2","7","1","5","3","4","3","1") = "6"
    & skf21("2","7","1","5","3","4","4","1") = "6"
    & skf21("2","7","1","5","3","4","5","1") = "6"
    & skf21("2","7","1","5","3","4","6","1") = "6"
    & skf21("2","7","1","5","3","4","7","1") = "6"
    & skf21("2","7","1","5","3","5","1","1") = "6"
    & skf21("2","7","1","5","3","5","2","1") = "6"
    & skf21("2","7","1","5","3","5","3","1") = "6"
    & skf21("2","7","1","5","3","5","4","1") = "6"
    & skf21("2","7","1","5","3","5","5","1") = "6"
    & skf21("2","7","1","5","3","5","6","1") = "6"
    & skf21("2","7","1","5","3","5","7","1") = "6"
    & skf21("2","7","1","5","3","6","1","1") = "6"
    & skf21("2","7","1","5","3","6","2","1") = "6"
    & skf21("2","7","1","5","3","6","3","1") = "6"
    & skf21("2","7","1","5","3","6","4","1") = "6"
    & skf21("2","7","1","5","3","6","5","1") = "6"
    & skf21("2","7","1","5","3","6","6","1") = "6"
    & skf21("2","7","1","5","3","6","7","1") = "6"
    & skf21("2","7","1","5","3","7","1","1") = "6"
    & skf21("2","7","1","5","3","7","2","1") = "6"
    & skf21("2","7","1","5","3","7","3","1") = "6"
    & skf21("2","7","1","5","3","7","4","1") = "6"
    & skf21("2","7","1","5","3","7","5","1") = "6"
    & skf21("2","7","1","5","3","7","6","1") = "6"
    & skf21("2","7","1","5","3","7","7","1") = "6"
    & skf21("2","7","1","5","4","1","1","1") = "6"
    & skf21("2","7","1","5","4","1","2","1") = "6"
    & skf21("2","7","1","5","4","1","3","1") = "6"
    & skf21("2","7","1","5","4","1","4","1") = "6"
    & skf21("2","7","1","5","4","1","5","1") = "6"
    & skf21("2","7","1","5","4","1","6","1") = "6"
    & skf21("2","7","1","5","4","1","7","1") = "6"
    & skf21("2","7","1","5","4","2","1","1") = "6"
    & skf21("2","7","1","5","4","2","2","1") = "6"
    & skf21("2","7","1","5","4","2","3","1") = "6"
    & skf21("2","7","1","5","4","2","4","1") = "6"
    & skf21("2","7","1","5","4","2","5","1") = "6"
    & skf21("2","7","1","5","4","2","6","1") = "6"
    & skf21("2","7","1","5","4","2","7","1") = "6"
    & skf21("2","7","1","5","4","3","1","1") = "6"
    & skf21("2","7","1","5","4","3","2","1") = "6"
    & skf21("2","7","1","5","4","3","3","1") = "6"
    & skf21("2","7","1","5","4","3","4","1") = "6"
    & skf21("2","7","1","5","4","3","5","1") = "6"
    & skf21("2","7","1","5","4","3","6","1") = "6"
    & skf21("2","7","1","5","4","3","7","1") = "6"
    & skf21("2","7","1","5","4","4","1","1") = "6"
    & skf21("2","7","1","5","4","4","2","1") = "6"
    & skf21("2","7","1","5","4","4","3","1") = "6"
    & skf21("2","7","1","5","4","4","4","1") = "6"
    & skf21("2","7","1","5","4","4","5","1") = "6"
    & skf21("2","7","1","5","4","4","6","1") = "6"
    & skf21("2","7","1","5","4","4","7","1") = "6"
    & skf21("2","7","1","5","4","5","1","1") = "6"
    & skf21("2","7","1","5","4","5","2","1") = "6"
    & skf21("2","7","1","5","4","5","3","1") = "6"
    & skf21("2","7","1","5","4","5","4","1") = "6"
    & skf21("2","7","1","5","4","5","5","1") = "6"
    & skf21("2","7","1","5","4","5","6","1") = "6"
    & skf21("2","7","1","5","4","5","7","1") = "6"
    & skf21("2","7","1","5","4","6","1","1") = "6"
    & skf21("2","7","1","5","4","6","2","1") = "6"
    & skf21("2","7","1","5","4","6","3","1") = "6"
    & skf21("2","7","1","5","4","6","4","1") = "6"
    & skf21("2","7","1","5","4","6","5","1") = "6"
    & skf21("2","7","1","5","4","6","6","1") = "6"
    & skf21("2","7","1","5","4","6","7","1") = "6"
    & skf21("2","7","1","5","4","7","1","1") = "6"
    & skf21("2","7","1","5","4","7","2","1") = "6"
    & skf21("2","7","1","5","4","7","3","1") = "6"
    & skf21("2","7","1","5","4","7","4","1") = "6"
    & skf21("2","7","1","5","4","7","5","1") = "6"
    & skf21("2","7","1","5","4","7","6","1") = "6"
    & skf21("2","7","1","5","4","7","7","1") = "6"
    & skf21("2","7","1","5","5","1","1","1") = "6"
    & skf21("2","7","1","5","5","1","2","1") = "6"
    & skf21("2","7","1","5","5","1","3","1") = "6"
    & skf21("2","7","1","5","5","1","4","1") = "6"
    & skf21("2","7","1","5","5","1","5","1") = "6"
    & skf21("2","7","1","5","5","1","6","1") = "6"
    & skf21("2","7","1","5","5","1","7","1") = "6"
    & skf21("2","7","1","5","5","2","1","1") = "6"
    & skf21("2","7","1","5","5","2","2","1") = "6"
    & skf21("2","7","1","5","5","2","3","1") = "6"
    & skf21("2","7","1","5","5","2","4","1") = "6"
    & skf21("2","7","1","5","5","2","5","1") = "6"
    & skf21("2","7","1","5","5","2","6","1") = "6"
    & skf21("2","7","1","5","5","2","7","1") = "6"
    & skf21("2","7","1","5","5","3","1","1") = "6"
    & skf21("2","7","1","5","5","3","2","1") = "6"
    & skf21("2","7","1","5","5","3","3","1") = "6"
    & skf21("2","7","1","5","5","3","4","1") = "6"
    & skf21("2","7","1","5","5","3","5","1") = "6"
    & skf21("2","7","1","5","5","3","6","1") = "6"
    & skf21("2","7","1","5","5","3","7","1") = "6"
    & skf21("2","7","1","5","5","4","1","1") = "6"
    & skf21("2","7","1","5","5","4","2","1") = "6"
    & skf21("2","7","1","5","5","4","3","1") = "6"
    & skf21("2","7","1","5","5","4","4","1") = "6"
    & skf21("2","7","1","5","5","4","5","1") = "6"
    & skf21("2","7","1","5","5","4","6","1") = "6"
    & skf21("2","7","1","5","5","4","7","1") = "6"
    & skf21("2","7","1","5","5","5","1","1") = "6"
    & skf21("2","7","1","5","5","5","2","1") = "6"
    & skf21("2","7","1","5","5","5","3","1") = "6"
    & skf21("2","7","1","5","5","5","4","1") = "6"
    & skf21("2","7","1","5","5","5","5","1") = "6"
    & skf21("2","7","1","5","5","5","6","1") = "6"
    & skf21("2","7","1","5","5","5","7","1") = "6"
    & skf21("2","7","1","5","5","6","1","1") = "6"
    & skf21("2","7","1","5","5","6","2","1") = "6"
    & skf21("2","7","1","5","5","6","3","1") = "6"
    & skf21("2","7","1","5","5","6","4","1") = "6"
    & skf21("2","7","1","5","5","6","5","1") = "6"
    & skf21("2","7","1","5","5","6","6","1") = "6"
    & skf21("2","7","1","5","5","6","7","1") = "6"
    & skf21("2","7","1","5","5","7","1","1") = "6"
    & skf21("2","7","1","5","5","7","2","1") = "6"
    & skf21("2","7","1","5","5","7","3","1") = "6"
    & skf21("2","7","1","5","5","7","4","1") = "6"
    & skf21("2","7","1","5","5","7","5","1") = "6"
    & skf21("2","7","1","5","5","7","6","1") = "6"
    & skf21("2","7","1","5","5","7","7","1") = "6"
    & skf21("2","7","1","5","6","1","1","1") = "6"
    & skf21("2","7","1","5","6","1","2","1") = "6"
    & skf21("2","7","1","5","6","1","3","1") = "6"
    & skf21("2","7","1","5","6","1","4","1") = "6"
    & skf21("2","7","1","5","6","1","5","1") = "6"
    & skf21("2","7","1","5","6","1","6","1") = "6"
    & skf21("2","7","1","5","6","1","7","1") = "6"
    & skf21("2","7","1","5","6","2","1","1") = "6"
    & skf21("2","7","1","5","6","2","2","1") = "6"
    & skf21("2","7","1","5","6","2","3","1") = "6"
    & skf21("2","7","1","5","6","2","4","1") = "6"
    & skf21("2","7","1","5","6","2","5","1") = "6"
    & skf21("2","7","1","5","6","2","6","1") = "6"
    & skf21("2","7","1","5","6","2","7","1") = "6"
    & skf21("2","7","1","5","6","3","1","1") = "6"
    & skf21("2","7","1","5","6","3","2","1") = "6"
    & skf21("2","7","1","5","6","3","3","1") = "6"
    & skf21("2","7","1","5","6","3","4","1") = "6"
    & skf21("2","7","1","5","6","3","5","1") = "6"
    & skf21("2","7","1","5","6","3","6","1") = "6"
    & skf21("2","7","1","5","6","3","7","1") = "6"
    & skf21("2","7","1","5","6","4","1","1") = "6"
    & skf21("2","7","1","5","6","4","2","1") = "6"
    & skf21("2","7","1","5","6","4","3","1") = "6"
    & skf21("2","7","1","5","6","4","4","1") = "6"
    & skf21("2","7","1","5","6","4","5","1") = "6"
    & skf21("2","7","1","5","6","4","6","1") = "6"
    & skf21("2","7","1","5","6","4","7","1") = "6"
    & skf21("2","7","1","5","6","5","1","1") = "6"
    & skf21("2","7","1","5","6","5","2","1") = "6"
    & skf21("2","7","1","5","6","5","3","1") = "6"
    & skf21("2","7","1","5","6","5","4","1") = "6"
    & skf21("2","7","1","5","6","5","5","1") = "6"
    & skf21("2","7","1","5","6","5","6","1") = "6"
    & skf21("2","7","1","5","6","5","7","1") = "6"
    & skf21("2","7","1","5","6","6","1","1") = "6"
    & skf21("2","7","1","5","6","6","2","1") = "6"
    & skf21("2","7","1","5","6","6","3","1") = "6"
    & skf21("2","7","1","5","6","6","4","1") = "6"
    & skf21("2","7","1","5","6","6","5","1") = "6"
    & skf21("2","7","1","5","6","6","6","1") = "6"
    & skf21("2","7","1","5","6","6","7","1") = "6"
    & skf21("2","7","1","5","6","7","1","1") = "6"
    & skf21("2","7","1","5","6","7","2","1") = "6"
    & skf21("2","7","1","5","6","7","3","1") = "6"
    & skf21("2","7","1","5","6","7","4","1") = "6"
    & skf21("2","7","1","5","6","7","5","1") = "6"
    & skf21("2","7","1","5","6","7","6","1") = "6"
    & skf21("2","7","1","5","6","7","7","1") = "6"
    & skf21("2","7","1","5","7","1","1","1") = "6"
    & skf21("2","7","1","5","7","1","2","1") = "6"
    & skf21("2","7","1","5","7","1","3","1") = "6"
    & skf21("2","7","1","5","7","1","4","1") = "6"
    & skf21("2","7","1","5","7","1","5","1") = "6"
    & skf21("2","7","1","5","7","1","6","1") = "6"
    & skf21("2","7","1","5","7","1","7","1") = "6"
    & skf21("2","7","1","5","7","2","1","1") = "6"
    & skf21("2","7","1","5","7","2","2","1") = "6"
    & skf21("2","7","1","5","7","2","3","1") = "6"
    & skf21("2","7","1","5","7","2","4","1") = "6"
    & skf21("2","7","1","5","7","2","5","1") = "6"
    & skf21("2","7","1","5","7","2","6","1") = "6"
    & skf21("2","7","1","5","7","2","7","1") = "6"
    & skf21("2","7","1","5","7","3","1","1") = "6"
    & skf21("2","7","1","5","7","3","2","1") = "6"
    & skf21("2","7","1","5","7","3","3","1") = "6"
    & skf21("2","7","1","5","7","3","4","1") = "6"
    & skf21("2","7","1","5","7","3","5","1") = "6"
    & skf21("2","7","1","5","7","3","6","1") = "6"
    & skf21("2","7","1","5","7","3","7","1") = "6"
    & skf21("2","7","1","5","7","4","1","1") = "6"
    & skf21("2","7","1","5","7","4","2","1") = "6"
    & skf21("2","7","1","5","7","4","3","1") = "6"
    & skf21("2","7","1","5","7","4","4","1") = "6"
    & skf21("2","7","1","5","7","4","5","1") = "6"
    & skf21("2","7","1","5","7","4","6","1") = "6"
    & skf21("2","7","1","5","7","4","7","1") = "6"
    & skf21("2","7","1","5","7","5","1","1") = "6"
    & skf21("2","7","1","5","7","5","2","1") = "6"
    & skf21("2","7","1","5","7","5","3","1") = "6"
    & skf21("2","7","1","5","7","5","4","1") = "6"
    & skf21("2","7","1","5","7","5","5","1") = "6"
    & skf21("2","7","1","5","7","5","6","1") = "6"
    & skf21("2","7","1","5","7","5","7","1") = "6"
    & skf21("2","7","1","5","7","6","1","1") = "6"
    & skf21("2","7","1","5","7","6","2","1") = "6"
    & skf21("2","7","1","5","7","6","3","1") = "6"
    & skf21("2","7","1","5","7","6","4","1") = "6"
    & skf21("2","7","1","5","7","6","5","1") = "6"
    & skf21("2","7","1","5","7","6","6","1") = "6"
    & skf21("2","7","1","5","7","6","7","1") = "6"
    & skf21("2","7","1","5","7","7","1","1") = "6"
    & skf21("2","7","1","5","7","7","2","1") = "6"
    & skf21("2","7","1","5","7","7","3","1") = "6"
    & skf21("2","7","1","5","7","7","4","1") = "6"
    & skf21("2","7","1","5","7","7","5","1") = "6"
    & skf21("2","7","1","5","7","7","6","1") = "6"
    & skf21("2","7","1","5","7","7","7","1") = "6"
    & skf21("2","7","1","6","1","1","1","1") = "6"
    & skf21("2","7","1","6","1","1","2","1") = "6"
    & skf21("2","7","1","6","1","1","3","1") = "6"
    & skf21("2","7","1","6","1","1","4","1") = "6"
    & skf21("2","7","1","6","1","1","5","1") = "6"
    & skf21("2","7","1","6","1","1","6","1") = "6"
    & skf21("2","7","1","6","1","1","7","1") = "6"
    & skf21("2","7","1","6","1","2","1","1") = "6"
    & skf21("2","7","1","6","1","2","2","1") = "6"
    & skf21("2","7","1","6","1","2","3","1") = "6"
    & skf21("2","7","1","6","1","2","4","1") = "6"
    & skf21("2","7","1","6","1","2","5","1") = "6"
    & skf21("2","7","1","6","1","2","6","1") = "6"
    & skf21("2","7","1","6","1","2","7","1") = "6"
    & skf21("2","7","1","6","1","3","1","1") = "6"
    & skf21("2","7","1","6","1","3","2","1") = "6"
    & skf21("2","7","1","6","1","3","3","1") = "6"
    & skf21("2","7","1","6","1","3","4","1") = "6"
    & skf21("2","7","1","6","1","3","5","1") = "6"
    & skf21("2","7","1","6","1","3","6","1") = "6"
    & skf21("2","7","1","6","1","3","7","1") = "6"
    & skf21("2","7","1","6","1","4","1","1") = "6"
    & skf21("2","7","1","6","1","4","2","1") = "6"
    & skf21("2","7","1","6","1","4","3","1") = "6"
    & skf21("2","7","1","6","1","4","4","1") = "6"
    & skf21("2","7","1","6","1","4","5","1") = "6"
    & skf21("2","7","1","6","1","4","6","1") = "6"
    & skf21("2","7","1","6","1","4","7","1") = "6"
    & skf21("2","7","1","6","1","5","1","1") = "6"
    & skf21("2","7","1","6","1","5","2","1") = "6"
    & skf21("2","7","1","6","1","5","3","1") = "6"
    & skf21("2","7","1","6","1","5","4","1") = "6"
    & skf21("2","7","1","6","1","5","5","1") = "6"
    & skf21("2","7","1","6","1","5","6","1") = "6"
    & skf21("2","7","1","6","1","5","7","1") = "6"
    & skf21("2","7","1","6","1","6","1","1") = "6"
    & skf21("2","7","1","6","1","6","2","1") = "6"
    & skf21("2","7","1","6","1","6","3","1") = "6"
    & skf21("2","7","1","6","1","6","4","1") = "6"
    & skf21("2","7","1","6","1","6","5","1") = "6"
    & skf21("2","7","1","6","1","6","6","1") = "6"
    & skf21("2","7","1","6","1","6","7","1") = "6"
    & skf21("2","7","1","6","1","7","1","1") = "6"
    & skf21("2","7","1","6","1","7","2","1") = "6"
    & skf21("2","7","1","6","1","7","3","1") = "6"
    & skf21("2","7","1","6","1","7","4","1") = "6"
    & skf21("2","7","1","6","1","7","5","1") = "6"
    & skf21("2","7","1","6","1","7","6","1") = "6"
    & skf21("2","7","1","6","1","7","7","1") = "6"
    & skf21("2","7","1","6","2","1","1","1") = "6"
    & skf21("2","7","1","6","2","1","2","1") = "6"
    & skf21("2","7","1","6","2","1","3","1") = "6"
    & skf21("2","7","1","6","2","1","4","1") = "6"
    & skf21("2","7","1","6","2","1","5","1") = "6"
    & skf21("2","7","1","6","2","1","6","1") = "6"
    & skf21("2","7","1","6","2","1","7","1") = "6"
    & skf21("2","7","1","6","2","2","1","1") = "6"
    & skf21("2","7","1","6","2","2","2","1") = "6"
    & skf21("2","7","1","6","2","2","3","1") = "6"
    & skf21("2","7","1","6","2","2","4","1") = "6"
    & skf21("2","7","1","6","2","2","5","1") = "6"
    & skf21("2","7","1","6","2","2","6","1") = "6"
    & skf21("2","7","1","6","2","2","7","1") = "6"
    & skf21("2","7","1","6","2","3","1","1") = "6"
    & skf21("2","7","1","6","2","3","2","1") = "6"
    & skf21("2","7","1","6","2","3","3","1") = "6"
    & skf21("2","7","1","6","2","3","4","1") = "6"
    & skf21("2","7","1","6","2","3","5","1") = "6"
    & skf21("2","7","1","6","2","3","6","1") = "6"
    & skf21("2","7","1","6","2","3","7","1") = "6"
    & skf21("2","7","1","6","2","4","1","1") = "6"
    & skf21("2","7","1","6","2","4","2","1") = "6"
    & skf21("2","7","1","6","2","4","3","1") = "6"
    & skf21("2","7","1","6","2","4","4","1") = "6"
    & skf21("2","7","1","6","2","4","5","1") = "6"
    & skf21("2","7","1","6","2","4","6","1") = "6"
    & skf21("2","7","1","6","2","4","7","1") = "6"
    & skf21("2","7","1","6","2","5","1","1") = "6"
    & skf21("2","7","1","6","2","5","2","1") = "6"
    & skf21("2","7","1","6","2","5","3","1") = "6"
    & skf21("2","7","1","6","2","5","4","1") = "6"
    & skf21("2","7","1","6","2","5","5","1") = "6"
    & skf21("2","7","1","6","2","5","6","1") = "6"
    & skf21("2","7","1","6","2","5","7","1") = "6"
    & skf21("2","7","1","6","2","6","1","1") = "6"
    & skf21("2","7","1","6","2","6","2","1") = "6"
    & skf21("2","7","1","6","2","6","3","1") = "6"
    & skf21("2","7","1","6","2","6","4","1") = "6"
    & skf21("2","7","1","6","2","6","5","1") = "6"
    & skf21("2","7","1","6","2","6","6","1") = "6"
    & skf21("2","7","1","6","2","6","7","1") = "6"
    & skf21("2","7","1","6","2","7","1","1") = "6"
    & skf21("2","7","1","6","2","7","2","1") = "6"
    & skf21("2","7","1","6","2","7","3","1") = "6"
    & skf21("2","7","1","6","2","7","4","1") = "6"
    & skf21("2","7","1","6","2","7","5","1") = "6"
    & skf21("2","7","1","6","2","7","6","1") = "6"
    & skf21("2","7","1","6","2","7","7","1") = "6"
    & skf21("2","7","1","6","3","1","1","1") = "6"
    & skf21("2","7","1","6","3","1","2","1") = "6"
    & skf21("2","7","1","6","3","1","3","1") = "6"
    & skf21("2","7","1","6","3","1","4","1") = "6"
    & skf21("2","7","1","6","3","1","5","1") = "6"
    & skf21("2","7","1","6","3","1","6","1") = "6"
    & skf21("2","7","1","6","3","1","7","1") = "6"
    & skf21("2","7","1","6","3","2","1","1") = "6"
    & skf21("2","7","1","6","3","2","2","1") = "6"
    & skf21("2","7","1","6","3","2","3","1") = "6"
    & skf21("2","7","1","6","3","2","4","1") = "6"
    & skf21("2","7","1","6","3","2","5","1") = "6"
    & skf21("2","7","1","6","3","2","6","1") = "6"
    & skf21("2","7","1","6","3","2","7","1") = "6"
    & skf21("2","7","1","6","3","3","1","1") = "6"
    & skf21("2","7","1","6","3","3","2","1") = "6"
    & skf21("2","7","1","6","3","3","3","1") = "6"
    & skf21("2","7","1","6","3","3","4","1") = "6"
    & skf21("2","7","1","6","3","3","5","1") = "6"
    & skf21("2","7","1","6","3","3","6","1") = "6"
    & skf21("2","7","1","6","3","3","7","1") = "6"
    & skf21("2","7","1","6","3","4","1","1") = "6"
    & skf21("2","7","1","6","3","4","2","1") = "6"
    & skf21("2","7","1","6","3","4","3","1") = "6"
    & skf21("2","7","1","6","3","4","4","1") = "6"
    & skf21("2","7","1","6","3","4","5","1") = "6"
    & skf21("2","7","1","6","3","4","6","1") = "6"
    & skf21("2","7","1","6","3","4","7","1") = "6"
    & skf21("2","7","1","6","3","5","1","1") = "6"
    & skf21("2","7","1","6","3","5","2","1") = "6"
    & skf21("2","7","1","6","3","5","3","1") = "6"
    & skf21("2","7","1","6","3","5","4","1") = "6"
    & skf21("2","7","1","6","3","5","5","1") = "6"
    & skf21("2","7","1","6","3","5","6","1") = "6"
    & skf21("2","7","1","6","3","5","7","1") = "6"
    & skf21("2","7","1","6","3","6","1","1") = "6"
    & skf21("2","7","1","6","3","6","2","1") = "6"
    & skf21("2","7","1","6","3","6","3","1") = "6"
    & skf21("2","7","1","6","3","6","4","1") = "6"
    & skf21("2","7","1","6","3","6","5","1") = "6"
    & skf21("2","7","1","6","3","6","6","1") = "6"
    & skf21("2","7","1","6","3","6","7","1") = "6"
    & skf21("2","7","1","6","3","7","1","1") = "6"
    & skf21("2","7","1","6","3","7","2","1") = "6"
    & skf21("2","7","1","6","3","7","3","1") = "6"
    & skf21("2","7","1","6","3","7","4","1") = "6"
    & skf21("2","7","1","6","3","7","5","1") = "6"
    & skf21("2","7","1","6","3","7","6","1") = "6"
    & skf21("2","7","1","6","3","7","7","1") = "6"
    & skf21("2","7","1","6","4","1","1","1") = "6"
    & skf21("2","7","1","6","4","1","2","1") = "6"
    & skf21("2","7","1","6","4","1","3","1") = "6"
    & skf21("2","7","1","6","4","1","4","1") = "6"
    & skf21("2","7","1","6","4","1","5","1") = "6"
    & skf21("2","7","1","6","4","1","6","1") = "6"
    & skf21("2","7","1","6","4","1","7","1") = "6"
    & skf21("2","7","1","6","4","2","1","1") = "6"
    & skf21("2","7","1","6","4","2","2","1") = "6"
    & skf21("2","7","1","6","4","2","3","1") = "6"
    & skf21("2","7","1","6","4","2","4","1") = "6"
    & skf21("2","7","1","6","4","2","5","1") = "6"
    & skf21("2","7","1","6","4","2","6","1") = "6"
    & skf21("2","7","1","6","4","2","7","1") = "6"
    & skf21("2","7","1","6","4","3","1","1") = "6"
    & skf21("2","7","1","6","4","3","2","1") = "6"
    & skf21("2","7","1","6","4","3","3","1") = "6"
    & skf21("2","7","1","6","4","3","4","1") = "6"
    & skf21("2","7","1","6","4","3","5","1") = "6"
    & skf21("2","7","1","6","4","3","6","1") = "6"
    & skf21("2","7","1","6","4","3","7","1") = "6"
    & skf21("2","7","1","6","4","4","1","1") = "6"
    & skf21("2","7","1","6","4","4","2","1") = "6"
    & skf21("2","7","1","6","4","4","3","1") = "6"
    & skf21("2","7","1","6","4","4","4","1") = "6"
    & skf21("2","7","1","6","4","4","5","1") = "6"
    & skf21("2","7","1","6","4","4","6","1") = "6"
    & skf21("2","7","1","6","4","4","7","1") = "6"
    & skf21("2","7","1","6","4","5","1","1") = "6"
    & skf21("2","7","1","6","4","5","2","1") = "6"
    & skf21("2","7","1","6","4","5","3","1") = "6"
    & skf21("2","7","1","6","4","5","4","1") = "6"
    & skf21("2","7","1","6","4","5","5","1") = "6"
    & skf21("2","7","1","6","4","5","6","1") = "6"
    & skf21("2","7","1","6","4","5","7","1") = "6"
    & skf21("2","7","1","6","4","6","1","1") = "6"
    & skf21("2","7","1","6","4","6","2","1") = "6"
    & skf21("2","7","1","6","4","6","3","1") = "6"
    & skf21("2","7","1","6","4","6","4","1") = "6"
    & skf21("2","7","1","6","4","6","5","1") = "6"
    & skf21("2","7","1","6","4","6","6","1") = "6"
    & skf21("2","7","1","6","4","6","7","1") = "6"
    & skf21("2","7","1","6","4","7","1","1") = "6"
    & skf21("2","7","1","6","4","7","2","1") = "6"
    & skf21("2","7","1","6","4","7","3","1") = "6"
    & skf21("2","7","1","6","4","7","4","1") = "6"
    & skf21("2","7","1","6","4","7","5","1") = "6"
    & skf21("2","7","1","6","4","7","6","1") = "6"
    & skf21("2","7","1","6","4","7","7","1") = "6"
    & skf21("2","7","1","6","5","1","1","1") = "6"
    & skf21("2","7","1","6","5","1","2","1") = "6"
    & skf21("2","7","1","6","5","1","3","1") = "6"
    & skf21("2","7","1","6","5","1","4","1") = "6"
    & skf21("2","7","1","6","5","1","5","1") = "6"
    & skf21("2","7","1","6","5","1","6","1") = "6"
    & skf21("2","7","1","6","5","1","7","1") = "6"
    & skf21("2","7","1","6","5","2","1","1") = "6"
    & skf21("2","7","1","6","5","2","2","1") = "6"
    & skf21("2","7","1","6","5","2","3","1") = "6"
    & skf21("2","7","1","6","5","2","4","1") = "6"
    & skf21("2","7","1","6","5","2","5","1") = "6"
    & skf21("2","7","1","6","5","2","6","1") = "6"
    & skf21("2","7","1","6","5","2","7","1") = "6"
    & skf21("2","7","1","6","5","3","1","1") = "6"
    & skf21("2","7","1","6","5","3","2","1") = "6"
    & skf21("2","7","1","6","5","3","3","1") = "6"
    & skf21("2","7","1","6","5","3","4","1") = "6"
    & skf21("2","7","1","6","5","3","5","1") = "6"
    & skf21("2","7","1","6","5","3","6","1") = "6"
    & skf21("2","7","1","6","5","3","7","1") = "6"
    & skf21("2","7","1","6","5","4","1","1") = "6"
    & skf21("2","7","1","6","5","4","2","1") = "6"
    & skf21("2","7","1","6","5","4","3","1") = "6"
    & skf21("2","7","1","6","5","4","4","1") = "6"
    & skf21("2","7","1","6","5","4","5","1") = "6"
    & skf21("2","7","1","6","5","4","6","1") = "6"
    & skf21("2","7","1","6","5","4","7","1") = "6"
    & skf21("2","7","1","6","5","5","1","1") = "6"
    & skf21("2","7","1","6","5","5","2","1") = "6"
    & skf21("2","7","1","6","5","5","3","1") = "6"
    & skf21("2","7","1","6","5","5","4","1") = "6"
    & skf21("2","7","1","6","5","5","5","1") = "6"
    & skf21("2","7","1","6","5","5","6","1") = "6"
    & skf21("2","7","1","6","5","5","7","1") = "6"
    & skf21("2","7","1","6","5","6","1","1") = "6"
    & skf21("2","7","1","6","5","6","2","1") = "6"
    & skf21("2","7","1","6","5","6","3","1") = "6"
    & skf21("2","7","1","6","5","6","4","1") = "6"
    & skf21("2","7","1","6","5","6","5","1") = "6"
    & skf21("2","7","1","6","5","6","6","1") = "6"
    & skf21("2","7","1","6","5","6","7","1") = "6"
    & skf21("2","7","1","6","5","7","1","1") = "6"
    & skf21("2","7","1","6","5","7","2","1") = "6"
    & skf21("2","7","1","6","5","7","3","1") = "6"
    & skf21("2","7","1","6","5","7","4","1") = "6"
    & skf21("2","7","1","6","5","7","5","1") = "6"
    & skf21("2","7","1","6","5","7","6","1") = "6"
    & skf21("2","7","1","6","5","7","7","1") = "6"
    & skf21("2","7","1","6","6","1","1","1") = "6"
    & skf21("2","7","1","6","6","1","2","1") = "6"
    & skf21("2","7","1","6","6","1","3","1") = "6"
    & skf21("2","7","1","6","6","1","4","1") = "6"
    & skf21("2","7","1","6","6","1","5","1") = "6"
    & skf21("2","7","1","6","6","1","6","1") = "6"
    & skf21("2","7","1","6","6","1","7","1") = "6"
    & skf21("2","7","1","6","6","2","1","1") = "6"
    & skf21("2","7","1","6","6","2","2","1") = "6"
    & skf21("2","7","1","6","6","2","3","1") = "6"
    & skf21("2","7","1","6","6","2","4","1") = "6"
    & skf21("2","7","1","6","6","2","5","1") = "6"
    & skf21("2","7","1","6","6","2","6","1") = "6"
    & skf21("2","7","1","6","6","2","7","1") = "6"
    & skf21("2","7","1","6","6","3","1","1") = "6"
    & skf21("2","7","1","6","6","3","2","1") = "6"
    & skf21("2","7","1","6","6","3","3","1") = "6"
    & skf21("2","7","1","6","6","3","4","1") = "6"
    & skf21("2","7","1","6","6","3","5","1") = "6"
    & skf21("2","7","1","6","6","3","6","1") = "6"
    & skf21("2","7","1","6","6","3","7","1") = "6"
    & skf21("2","7","1","6","6","4","1","1") = "6"
    & skf21("2","7","1","6","6","4","2","1") = "6"
    & skf21("2","7","1","6","6","4","3","1") = "6"
    & skf21("2","7","1","6","6","4","4","1") = "6"
    & skf21("2","7","1","6","6","4","5","1") = "6"
    & skf21("2","7","1","6","6","4","6","1") = "6"
    & skf21("2","7","1","6","6","4","7","1") = "6"
    & skf21("2","7","1","6","6","5","1","1") = "6"
    & skf21("2","7","1","6","6","5","2","1") = "6"
    & skf21("2","7","1","6","6","5","3","1") = "6"
    & skf21("2","7","1","6","6","5","4","1") = "6"
    & skf21("2","7","1","6","6","5","5","1") = "6"
    & skf21("2","7","1","6","6","5","6","1") = "6"
    & skf21("2","7","1","6","6","5","7","1") = "6"
    & skf21("2","7","1","6","6","6","1","1") = "6"
    & skf21("2","7","1","6","6","6","2","1") = "6"
    & skf21("2","7","1","6","6","6","3","1") = "6"
    & skf21("2","7","1","6","6","6","4","1") = "6"
    & skf21("2","7","1","6","6","6","5","1") = "6"
    & skf21("2","7","1","6","6","6","6","1") = "6"
    & skf21("2","7","1","6","6","6","7","1") = "6"
    & skf21("2","7","1","6","6","7","1","1") = "6"
    & skf21("2","7","1","6","6","7","2","1") = "6"
    & skf21("2","7","1","6","6","7","3","1") = "6"
    & skf21("2","7","1","6","6","7","4","1") = "6"
    & skf21("2","7","1","6","6","7","5","1") = "6"
    & skf21("2","7","1","6","6","7","6","1") = "6"
    & skf21("2","7","1","6","6","7","7","1") = "6"
    & skf21("2","7","1","6","7","1","1","1") = "6"
    & skf21("2","7","1","6","7","1","2","1") = "6"
    & skf21("2","7","1","6","7","1","3","1") = "6"
    & skf21("2","7","1","6","7","1","4","1") = "6"
    & skf21("2","7","1","6","7","1","5","1") = "6"
    & skf21("2","7","1","6","7","1","6","1") = "6"
    & skf21("2","7","1","6","7","1","7","1") = "6"
    & skf21("2","7","1","6","7","2","1","1") = "6"
    & skf21("2","7","1","6","7","2","2","1") = "6"
    & skf21("2","7","1","6","7","2","3","1") = "6"
    & skf21("2","7","1","6","7","2","4","1") = "6"
    & skf21("2","7","1","6","7","2","5","1") = "6"
    & skf21("2","7","1","6","7","2","6","1") = "6"
    & skf21("2","7","1","6","7","2","7","1") = "6"
    & skf21("2","7","1","6","7","3","1","1") = "6"
    & skf21("2","7","1","6","7","3","2","1") = "6"
    & skf21("2","7","1","6","7","3","3","1") = "6"
    & skf21("2","7","1","6","7","3","4","1") = "6"
    & skf21("2","7","1","6","7","3","5","1") = "6"
    & skf21("2","7","1","6","7","3","6","1") = "6"
    & skf21("2","7","1","6","7","3","7","1") = "6"
    & skf21("2","7","1","6","7","4","1","1") = "6"
    & skf21("2","7","1","6","7","4","2","1") = "6"
    & skf21("2","7","1","6","7","4","3","1") = "6"
    & skf21("2","7","1","6","7","4","4","1") = "6"
    & skf21("2","7","1","6","7","4","5","1") = "6"
    & skf21("2","7","1","6","7","4","6","1") = "6"
    & skf21("2","7","1","6","7","4","7","1") = "6"
    & skf21("2","7","1","6","7","5","1","1") = "6"
    & skf21("2","7","1","6","7","5","2","1") = "6"
    & skf21("2","7","1","6","7","5","3","1") = "6"
    & skf21("2","7","1","6","7","5","4","1") = "6"
    & skf21("2","7","1","6","7","5","5","1") = "6"
    & skf21("2","7","1","6","7","5","6","1") = "6"
    & skf21("2","7","1","6","7","5","7","1") = "6"
    & skf21("2","7","1","6","7","6","1","1") = "6"
    & skf21("2","7","1","6","7","6","2","1") = "6"
    & skf21("2","7","1","6","7","6","3","1") = "6"
    & skf21("2","7","1","6","7","6","4","1") = "6"
    & skf21("2","7","1","6","7","6","5","1") = "6"
    & skf21("2","7","1","6","7","6","6","1") = "6"
    & skf21("2","7","1","6","7","6","7","1") = "6"
    & skf21("2","7","1","6","7","7","1","1") = "6"
    & skf21("2","7","1","6","7","7","2","1") = "6"
    & skf21("2","7","1","6","7","7","3","1") = "6"
    & skf21("2","7","1","6","7","7","4","1") = "6"
    & skf21("2","7","1","6","7","7","5","1") = "6"
    & skf21("2","7","1","6","7","7","6","1") = "6"
    & skf21("2","7","1","6","7","7","7","1") = "6"
    & skf21("2","7","1","7","1","1","1","1") = "6"
    & skf21("2","7","1","7","1","1","2","1") = "6"
    & skf21("2","7","1","7","1","1","3","1") = "6"
    & skf21("2","7","1","7","1","1","4","1") = "6"
    & skf21("2","7","1","7","1","1","5","1") = "6"
    & skf21("2","7","1","7","1","1","6","1") = "6"
    & skf21("2","7","1","7","1","1","7","1") = "6"
    & skf21("2","7","1","7","1","2","1","1") = "6"
    & skf21("2","7","1","7","1","2","2","1") = "6"
    & skf21("2","7","1","7","1","2","3","1") = "6"
    & skf21("2","7","1","7","1","2","4","1") = "6"
    & skf21("2","7","1","7","1","2","5","1") = "6"
    & skf21("2","7","1","7","1","2","6","1") = "6"
    & skf21("2","7","1","7","1","2","7","1") = "6"
    & skf21("2","7","1","7","1","3","1","1") = "6"
    & skf21("2","7","1","7","1","3","2","1") = "6"
    & skf21("2","7","1","7","1","3","3","1") = "6"
    & skf21("2","7","1","7","1","3","4","1") = "6"
    & skf21("2","7","1","7","1","3","5","1") = "6"
    & skf21("2","7","1","7","1","3","6","1") = "6"
    & skf21("2","7","1","7","1","3","7","1") = "6"
    & skf21("2","7","1","7","1","4","1","1") = "6"
    & skf21("2","7","1","7","1","4","2","1") = "6"
    & skf21("2","7","1","7","1","4","3","1") = "6"
    & skf21("2","7","1","7","1","4","4","1") = "6"
    & skf21("2","7","1","7","1","4","5","1") = "6"
    & skf21("2","7","1","7","1","4","6","1") = "6"
    & skf21("2","7","1","7","1","4","7","1") = "6"
    & skf21("2","7","1","7","1","5","1","1") = "6"
    & skf21("2","7","1","7","1","5","2","1") = "6"
    & skf21("2","7","1","7","1","5","3","1") = "6"
    & skf21("2","7","1","7","1","5","4","1") = "6"
    & skf21("2","7","1","7","1","5","5","1") = "6"
    & skf21("2","7","1","7","1","5","6","1") = "6"
    & skf21("2","7","1","7","1","5","7","1") = "6"
    & skf21("2","7","1","7","1","6","1","1") = "6"
    & skf21("2","7","1","7","1","6","2","1") = "6"
    & skf21("2","7","1","7","1","6","3","1") = "6"
    & skf21("2","7","1","7","1","6","4","1") = "6"
    & skf21("2","7","1","7","1","6","5","1") = "6"
    & skf21("2","7","1","7","1","6","6","1") = "6"
    & skf21("2","7","1","7","1","6","7","1") = "6"
    & skf21("2","7","1","7","1","7","1","1") = "6"
    & skf21("2","7","1","7","1","7","2","1") = "6"
    & skf21("2","7","1","7","1","7","3","1") = "6"
    & skf21("2","7","1","7","1","7","4","1") = "6"
    & skf21("2","7","1","7","1","7","5","1") = "6"
    & skf21("2","7","1","7","1","7","6","1") = "6"
    & skf21("2","7","1","7","1","7","7","1") = "6"
    & skf21("2","7","1","7","2","1","1","1") = "6"
    & skf21("2","7","1","7","2","1","2","1") = "6"
    & skf21("2","7","1","7","2","1","3","1") = "6"
    & skf21("2","7","1","7","2","1","4","1") = "6"
    & skf21("2","7","1","7","2","1","5","1") = "6"
    & skf21("2","7","1","7","2","1","6","1") = "6"
    & skf21("2","7","1","7","2","1","7","1") = "6"
    & skf21("2","7","1","7","2","2","1","1") = "6"
    & skf21("2","7","1","7","2","2","2","1") = "6"
    & skf21("2","7","1","7","2","2","3","1") = "6"
    & skf21("2","7","1","7","2","2","4","1") = "6"
    & skf21("2","7","1","7","2","2","5","1") = "6"
    & skf21("2","7","1","7","2","2","6","1") = "6"
    & skf21("2","7","1","7","2","2","7","1") = "6"
    & skf21("2","7","1","7","2","3","1","1") = "6"
    & skf21("2","7","1","7","2","3","2","1") = "6"
    & skf21("2","7","1","7","2","3","3","1") = "6"
    & skf21("2","7","1","7","2","3","4","1") = "6"
    & skf21("2","7","1","7","2","3","5","1") = "6"
    & skf21("2","7","1","7","2","3","6","1") = "6"
    & skf21("2","7","1","7","2","3","7","1") = "6"
    & skf21("2","7","1","7","2","4","1","1") = "6"
    & skf21("2","7","1","7","2","4","2","1") = "6"
    & skf21("2","7","1","7","2","4","3","1") = "6"
    & skf21("2","7","1","7","2","4","4","1") = "6"
    & skf21("2","7","1","7","2","4","5","1") = "6"
    & skf21("2","7","1","7","2","4","6","1") = "6"
    & skf21("2","7","1","7","2","4","7","1") = "6"
    & skf21("2","7","1","7","2","5","1","1") = "6"
    & skf21("2","7","1","7","2","5","2","1") = "6"
    & skf21("2","7","1","7","2","5","3","1") = "6"
    & skf21("2","7","1","7","2","5","4","1") = "6"
    & skf21("2","7","1","7","2","5","5","1") = "6"
    & skf21("2","7","1","7","2","5","6","1") = "6"
    & skf21("2","7","1","7","2","5","7","1") = "6"
    & skf21("2","7","1","7","2","6","1","1") = "6"
    & skf21("2","7","1","7","2","6","2","1") = "6"
    & skf21("2","7","1","7","2","6","3","1") = "6"
    & skf21("2","7","1","7","2","6","4","1") = "6"
    & skf21("2","7","1","7","2","6","5","1") = "6"
    & skf21("2","7","1","7","2","6","6","1") = "6"
    & skf21("2","7","1","7","2","6","7","1") = "6"
    & skf21("2","7","1","7","2","7","1","1") = "6"
    & skf21("2","7","1","7","2","7","2","1") = "6"
    & skf21("2","7","1","7","2","7","3","1") = "6"
    & skf21("2","7","1","7","2","7","4","1") = "6"
    & skf21("2","7","1","7","2","7","5","1") = "6"
    & skf21("2","7","1","7","2","7","6","1") = "6"
    & skf21("2","7","1","7","2","7","7","1") = "6"
    & skf21("2","7","1","7","3","1","1","1") = "6"
    & skf21("2","7","1","7","3","1","2","1") = "6"
    & skf21("2","7","1","7","3","1","3","1") = "6"
    & skf21("2","7","1","7","3","1","4","1") = "6"
    & skf21("2","7","1","7","3","1","5","1") = "6"
    & skf21("2","7","1","7","3","1","6","1") = "6"
    & skf21("2","7","1","7","3","1","7","1") = "6"
    & skf21("2","7","1","7","3","2","1","1") = "6"
    & skf21("2","7","1","7","3","2","2","1") = "6"
    & skf21("2","7","1","7","3","2","3","1") = "6"
    & skf21("2","7","1","7","3","2","4","1") = "6"
    & skf21("2","7","1","7","3","2","5","1") = "6"
    & skf21("2","7","1","7","3","2","6","1") = "6"
    & skf21("2","7","1","7","3","2","7","1") = "6"
    & skf21("2","7","1","7","3","3","1","1") = "6"
    & skf21("2","7","1","7","3","3","2","1") = "6"
    & skf21("2","7","1","7","3","3","3","1") = "6"
    & skf21("2","7","1","7","3","3","4","1") = "6"
    & skf21("2","7","1","7","3","3","5","1") = "6"
    & skf21("2","7","1","7","3","3","6","1") = "6"
    & skf21("2","7","1","7","3","3","7","1") = "6"
    & skf21("2","7","1","7","3","4","1","1") = "6"
    & skf21("2","7","1","7","3","4","2","1") = "6"
    & skf21("2","7","1","7","3","4","3","1") = "6"
    & skf21("2","7","1","7","3","4","4","1") = "6"
    & skf21("2","7","1","7","3","4","5","1") = "6"
    & skf21("2","7","1","7","3","4","6","1") = "6"
    & skf21("2","7","1","7","3","4","7","1") = "6"
    & skf21("2","7","1","7","3","5","1","1") = "6"
    & skf21("2","7","1","7","3","5","2","1") = "6"
    & skf21("2","7","1","7","3","5","3","1") = "6"
    & skf21("2","7","1","7","3","5","4","1") = "6"
    & skf21("2","7","1","7","3","5","5","1") = "6"
    & skf21("2","7","1","7","3","5","6","1") = "6"
    & skf21("2","7","1","7","3","5","7","1") = "6"
    & skf21("2","7","1","7","3","6","1","1") = "6"
    & skf21("2","7","1","7","3","6","2","1") = "6"
    & skf21("2","7","1","7","3","6","3","1") = "6"
    & skf21("2","7","1","7","3","6","4","1") = "6"
    & skf21("2","7","1","7","3","6","5","1") = "6"
    & skf21("2","7","1","7","3","6","6","1") = "6"
    & skf21("2","7","1","7","3","6","7","1") = "6"
    & skf21("2","7","1","7","3","7","1","1") = "6"
    & skf21("2","7","1","7","3","7","2","1") = "6"
    & skf21("2","7","1","7","3","7","3","1") = "6"
    & skf21("2","7","1","7","3","7","4","1") = "6"
    & skf21("2","7","1","7","3","7","5","1") = "6"
    & skf21("2","7","1","7","3","7","6","1") = "6"
    & skf21("2","7","1","7","3","7","7","1") = "6"
    & skf21("2","7","1","7","4","1","1","1") = "6"
    & skf21("2","7","1","7","4","1","2","1") = "6"
    & skf21("2","7","1","7","4","1","3","1") = "6"
    & skf21("2","7","1","7","4","1","4","1") = "6"
    & skf21("2","7","1","7","4","1","5","1") = "6"
    & skf21("2","7","1","7","4","1","6","1") = "6"
    & skf21("2","7","1","7","4","1","7","1") = "6"
    & skf21("2","7","1","7","4","2","1","1") = "6"
    & skf21("2","7","1","7","4","2","2","1") = "6"
    & skf21("2","7","1","7","4","2","3","1") = "6"
    & skf21("2","7","1","7","4","2","4","1") = "6"
    & skf21("2","7","1","7","4","2","5","1") = "6"
    & skf21("2","7","1","7","4","2","6","1") = "6"
    & skf21("2","7","1","7","4","2","7","1") = "6"
    & skf21("2","7","1","7","4","3","1","1") = "6"
    & skf21("2","7","1","7","4","3","2","1") = "6"
    & skf21("2","7","1","7","4","3","3","1") = "6"
    & skf21("2","7","1","7","4","3","4","1") = "6"
    & skf21("2","7","1","7","4","3","5","1") = "6"
    & skf21("2","7","1","7","4","3","6","1") = "6"
    & skf21("2","7","1","7","4","3","7","1") = "6"
    & skf21("2","7","1","7","4","4","1","1") = "6"
    & skf21("2","7","1","7","4","4","2","1") = "6"
    & skf21("2","7","1","7","4","4","3","1") = "6"
    & skf21("2","7","1","7","4","4","4","1") = "6"
    & skf21("2","7","1","7","4","4","5","1") = "6"
    & skf21("2","7","1","7","4","4","6","1") = "6"
    & skf21("2","7","1","7","4","4","7","1") = "6"
    & skf21("2","7","1","7","4","5","1","1") = "6"
    & skf21("2","7","1","7","4","5","2","1") = "6"
    & skf21("2","7","1","7","4","5","3","1") = "6"
    & skf21("2","7","1","7","4","5","4","1") = "6"
    & skf21("2","7","1","7","4","5","5","1") = "6"
    & skf21("2","7","1","7","4","5","6","1") = "6"
    & skf21("2","7","1","7","4","5","7","1") = "6"
    & skf21("2","7","1","7","4","6","1","1") = "6"
    & skf21("2","7","1","7","4","6","2","1") = "6"
    & skf21("2","7","1","7","4","6","3","1") = "6"
    & skf21("2","7","1","7","4","6","4","1") = "6"
    & skf21("2","7","1","7","4","6","5","1") = "6"
    & skf21("2","7","1","7","4","6","6","1") = "6"
    & skf21("2","7","1","7","4","6","7","1") = "6"
    & skf21("2","7","1","7","4","7","1","1") = "6"
    & skf21("2","7","1","7","4","7","2","1") = "6"
    & skf21("2","7","1","7","4","7","3","1") = "6"
    & skf21("2","7","1","7","4","7","4","1") = "6"
    & skf21("2","7","1","7","4","7","5","1") = "6"
    & skf21("2","7","1","7","4","7","6","1") = "6"
    & skf21("2","7","1","7","4","7","7","1") = "6"
    & skf21("2","7","1","7","5","1","1","1") = "6"
    & skf21("2","7","1","7","5","1","2","1") = "6"
    & skf21("2","7","1","7","5","1","3","1") = "6"
    & skf21("2","7","1","7","5","1","4","1") = "6"
    & skf21("2","7","1","7","5","1","5","1") = "6"
    & skf21("2","7","1","7","5","1","6","1") = "6"
    & skf21("2","7","1","7","5","1","7","1") = "6"
    & skf21("2","7","1","7","5","2","1","1") = "6"
    & skf21("2","7","1","7","5","2","2","1") = "6"
    & skf21("2","7","1","7","5","2","3","1") = "6"
    & skf21("2","7","1","7","5","2","4","1") = "6"
    & skf21("2","7","1","7","5","2","5","1") = "6"
    & skf21("2","7","1","7","5","2","6","1") = "6"
    & skf21("2","7","1","7","5","2","7","1") = "6"
    & skf21("2","7","1","7","5","3","1","1") = "6"
    & skf21("2","7","1","7","5","3","2","1") = "6"
    & skf21("2","7","1","7","5","3","3","1") = "6"
    & skf21("2","7","1","7","5","3","4","1") = "6"
    & skf21("2","7","1","7","5","3","5","1") = "6"
    & skf21("2","7","1","7","5","3","6","1") = "6"
    & skf21("2","7","1","7","5","3","7","1") = "6"
    & skf21("2","7","1","7","5","4","1","1") = "6"
    & skf21("2","7","1","7","5","4","2","1") = "6"
    & skf21("2","7","1","7","5","4","3","1") = "6"
    & skf21("2","7","1","7","5","4","4","1") = "6"
    & skf21("2","7","1","7","5","4","5","1") = "6"
    & skf21("2","7","1","7","5","4","6","1") = "6"
    & skf21("2","7","1","7","5","4","7","1") = "6"
    & skf21("2","7","1","7","5","5","1","1") = "6"
    & skf21("2","7","1","7","5","5","2","1") = "6"
    & skf21("2","7","1","7","5","5","3","1") = "6"
    & skf21("2","7","1","7","5","5","4","1") = "6"
    & skf21("2","7","1","7","5","5","5","1") = "6"
    & skf21("2","7","1","7","5","5","6","1") = "6"
    & skf21("2","7","1","7","5","5","7","1") = "6"
    & skf21("2","7","1","7","5","6","1","1") = "6"
    & skf21("2","7","1","7","5","6","2","1") = "6"
    & skf21("2","7","1","7","5","6","3","1") = "6"
    & skf21("2","7","1","7","5","6","4","1") = "6"
    & skf21("2","7","1","7","5","6","5","1") = "6"
    & skf21("2","7","1","7","5","6","6","1") = "6"
    & skf21("2","7","1","7","5","6","7","1") = "6"
    & skf21("2","7","1","7","5","7","1","1") = "6"
    & skf21("2","7","1","7","5","7","2","1") = "6"
    & skf21("2","7","1","7","5","7","3","1") = "6"
    & skf21("2","7","1","7","5","7","4","1") = "6"
    & skf21("2","7","1","7","5","7","5","1") = "6"
    & skf21("2","7","1","7","5","7","6","1") = "6"
    & skf21("2","7","1","7","5","7","7","1") = "6"
    & skf21("2","7","1","7","6","1","1","1") = "6"
    & skf21("2","7","1","7","6","1","2","1") = "6"
    & skf21("2","7","1","7","6","1","3","1") = "6"
    & skf21("2","7","1","7","6","1","4","1") = "6"
    & skf21("2","7","1","7","6","1","5","1") = "6"
    & skf21("2","7","1","7","6","1","6","1") = "6"
    & skf21("2","7","1","7","6","1","7","1") = "6"
    & skf21("2","7","1","7","6","2","1","1") = "6"
    & skf21("2","7","1","7","6","2","2","1") = "6"
    & skf21("2","7","1","7","6","2","3","1") = "6"
    & skf21("2","7","1","7","6","2","4","1") = "6"
    & skf21("2","7","1","7","6","2","5","1") = "6"
    & skf21("2","7","1","7","6","2","6","1") = "6"
    & skf21("2","7","1","7","6","2","7","1") = "6"
    & skf21("2","7","1","7","6","3","1","1") = "6"
    & skf21("2","7","1","7","6","3","2","1") = "6"
    & skf21("2","7","1","7","6","3","3","1") = "6"
    & skf21("2","7","1","7","6","3","4","1") = "6"
    & skf21("2","7","1","7","6","3","5","1") = "6"
    & skf21("2","7","1","7","6","3","6","1") = "6"
    & skf21("2","7","1","7","6","3","7","1") = "6"
    & skf21("2","7","1","7","6","4","1","1") = "6"
    & skf21("2","7","1","7","6","4","2","1") = "6"
    & skf21("2","7","1","7","6","4","3","1") = "6"
    & skf21("2","7","1","7","6","4","4","1") = "6"
    & skf21("2","7","1","7","6","4","5","1") = "6"
    & skf21("2","7","1","7","6","4","6","1") = "6"
    & skf21("2","7","1","7","6","4","7","1") = "6"
    & skf21("2","7","1","7","6","5","1","1") = "6"
    & skf21("2","7","1","7","6","5","2","1") = "6"
    & skf21("2","7","1","7","6","5","3","1") = "6"
    & skf21("2","7","1","7","6","5","4","1") = "6"
    & skf21("2","7","1","7","6","5","5","1") = "6"
    & skf21("2","7","1","7","6","5","6","1") = "6"
    & skf21("2","7","1","7","6","5","7","1") = "6"
    & skf21("2","7","1","7","6","6","1","1") = "6"
    & skf21("2","7","1","7","6","6","2","1") = "6"
    & skf21("2","7","1","7","6","6","3","1") = "6"
    & skf21("2","7","1","7","6","6","4","1") = "6"
    & skf21("2","7","1","7","6","6","5","1") = "6"
    & skf21("2","7","1","7","6","6","6","1") = "6"
    & skf21("2","7","1","7","6","6","7","1") = "6"
    & skf21("2","7","1","7","6","7","1","1") = "6"
    & skf21("2","7","1","7","6","7","2","1") = "6"
    & skf21("2","7","1","7","6","7","3","1") = "6"
    & skf21("2","7","1","7","6","7","4","1") = "6"
    & skf21("2","7","1","7","6","7","5","1") = "6"
    & skf21("2","7","1","7","6","7","6","1") = "6"
    & skf21("2","7","1","7","6","7","7","1") = "6"
    & skf21("2","7","1","7","7","1","1","1") = "6"
    & skf21("2","7","1","7","7","1","2","1") = "6"
    & skf21("2","7","1","7","7","1","3","1") = "6"
    & skf21("2","7","1","7","7","1","4","1") = "6"
    & skf21("2","7","1","7","7","1","5","1") = "6"
    & skf21("2","7","1","7","7","1","6","1") = "6"
    & skf21("2","7","1","7","7","1","7","1") = "6"
    & skf21("2","7","1","7","7","2","1","1") = "6"
    & skf21("2","7","1","7","7","2","2","1") = "6"
    & skf21("2","7","1","7","7","2","3","1") = "6"
    & skf21("2","7","1","7","7","2","4","1") = "6"
    & skf21("2","7","1","7","7","2","5","1") = "6"
    & skf21("2","7","1","7","7","2","6","1") = "6"
    & skf21("2","7","1","7","7","2","7","1") = "6"
    & skf21("2","7","1","7","7","3","1","1") = "6"
    & skf21("2","7","1","7","7","3","2","1") = "6"
    & skf21("2","7","1","7","7","3","3","1") = "6"
    & skf21("2","7","1","7","7","3","4","1") = "6"
    & skf21("2","7","1","7","7","3","5","1") = "6"
    & skf21("2","7","1","7","7","3","6","1") = "6"
    & skf21("2","7","1","7","7","3","7","1") = "6"
    & skf21("2","7","1","7","7","4","1","1") = "6"
    & skf21("2","7","1","7","7","4","2","1") = "6"
    & skf21("2","7","1","7","7","4","3","1") = "6"
    & skf21("2","7","1","7","7","4","4","1") = "6"
    & skf21("2","7","1","7","7","4","5","1") = "6"
    & skf21("2","7","1","7","7","4","6","1") = "6"
    & skf21("2","7","1","7","7","4","7","1") = "6"
    & skf21("2","7","1","7","7","5","1","1") = "6"
    & skf21("2","7","1","7","7","5","2","1") = "6"
    & skf21("2","7","1","7","7","5","3","1") = "6"
    & skf21("2","7","1","7","7","5","4","1") = "6"
    & skf21("2","7","1","7","7","5","5","1") = "6"
    & skf21("2","7","1","7","7","5","6","1") = "6"
    & skf21("2","7","1","7","7","5","7","1") = "6"
    & skf21("2","7","1","7","7","6","1","1") = "6"
    & skf21("2","7","1","7","7","6","2","1") = "6"
    & skf21("2","7","1","7","7","6","3","1") = "6"
    & skf21("2","7","1","7","7","6","4","1") = "6"
    & skf21("2","7","1","7","7","6","5","1") = "6"
    & skf21("2","7","1","7","7","6","6","1") = "6"
    & skf21("2","7","1","7","7","6","7","1") = "6"
    & skf21("2","7","1","7","7","7","1","1") = "6"
    & skf21("2","7","1","7","7","7","2","1") = "6"
    & skf21("2","7","1","7","7","7","3","1") = "6"
    & skf21("2","7","1","7","7","7","4","1") = "6"
    & skf21("2","7","1","7","7","7","5","1") = "6"
    & skf21("2","7","1","7","7","7","6","1") = "6"
    & skf21("2","7","1","7","7","7","7","1") = "6"
    & skf21("2","7","2","1","1","1","1","1") = "6"
    & skf21("2","7","2","1","1","1","2","1") = "6"
    & skf21("2","7","2","1","1","1","3","1") = "6"
    & skf21("2","7","2","1","1","1","4","1") = "6"
    & skf21("2","7","2","1","1","1","5","1") = "6"
    & skf21("2","7","2","1","1","1","6","1") = "6"
    & skf21("2","7","2","1","1","1","7","1") = "6"
    & skf21("2","7","2","1","1","2","1","1") = "6"
    & skf21("2","7","2","1","1","2","2","1") = "6"
    & skf21("2","7","2","1","1","2","3","1") = "6"
    & skf21("2","7","2","1","1","2","4","1") = "6"
    & skf21("2","7","2","1","1","2","5","1") = "6"
    & skf21("2","7","2","1","1","2","6","1") = "6"
    & skf21("2","7","2","1","1","2","7","1") = "6"
    & skf21("2","7","2","1","1","3","1","1") = "6"
    & skf21("2","7","2","1","1","3","2","1") = "6"
    & skf21("2","7","2","1","1","3","3","1") = "6"
    & skf21("2","7","2","1","1","3","4","1") = "6"
    & skf21("2","7","2","1","1","3","5","1") = "6"
    & skf21("2","7","2","1","1","3","6","1") = "6"
    & skf21("2","7","2","1","1","3","7","1") = "6"
    & skf21("2","7","2","1","1","4","1","1") = "6"
    & skf21("2","7","2","1","1","4","2","1") = "6"
    & skf21("2","7","2","1","1","4","3","1") = "6"
    & skf21("2","7","2","1","1","4","4","1") = "6"
    & skf21("2","7","2","1","1","4","5","1") = "6"
    & skf21("2","7","2","1","1","4","6","1") = "6"
    & skf21("2","7","2","1","1","4","7","1") = "6"
    & skf21("2","7","2","1","1","5","1","1") = "6"
    & skf21("2","7","2","1","1","5","2","1") = "6"
    & skf21("2","7","2","1","1","5","3","1") = "6"
    & skf21("2","7","2","1","1","5","4","1") = "6"
    & skf21("2","7","2","1","1","5","5","1") = "6"
    & skf21("2","7","2","1","1","5","6","1") = "6"
    & skf21("2","7","2","1","1","5","7","1") = "6"
    & skf21("2","7","2","1","1","6","1","1") = "6"
    & skf21("2","7","2","1","1","6","2","1") = "6"
    & skf21("2","7","2","1","1","6","3","1") = "6"
    & skf21("2","7","2","1","1","6","4","1") = "6"
    & skf21("2","7","2","1","1","6","5","1") = "6"
    & skf21("2","7","2","1","1","6","6","1") = "6"
    & skf21("2","7","2","1","1","6","7","1") = "6"
    & skf21("2","7","2","1","1","7","1","1") = "6"
    & skf21("2","7","2","1","1","7","2","1") = "6"
    & skf21("2","7","2","1","1","7","3","1") = "6"
    & skf21("2","7","2","1","1","7","4","1") = "6"
    & skf21("2","7","2","1","1","7","5","1") = "6"
    & skf21("2","7","2","1","1","7","6","1") = "6"
    & skf21("2","7","2","1","1","7","7","1") = "6"
    & skf21("2","7","2","1","2","1","1","1") = "6"
    & skf21("2","7","2","1","2","1","2","1") = "6"
    & skf21("2","7","2","1","2","1","3","1") = "6"
    & skf21("2","7","2","1","2","1","4","1") = "6"
    & skf21("2","7","2","1","2","1","5","1") = "6"
    & skf21("2","7","2","1","2","1","6","1") = "6"
    & skf21("2","7","2","1","2","1","7","1") = "6"
    & skf21("2","7","2","1","2","2","1","1") = "6"
    & skf21("2","7","2","1","2","2","2","1") = "6"
    & skf21("2","7","2","1","2","2","3","1") = "6"
    & skf21("2","7","2","1","2","2","4","1") = "6"
    & skf21("2","7","2","1","2","2","5","1") = "6"
    & skf21("2","7","2","1","2","2","6","1") = "6"
    & skf21("2","7","2","1","2","2","7","1") = "6"
    & skf21("2","7","2","1","2","3","1","1") = "6"
    & skf21("2","7","2","1","2","3","2","1") = "6"
    & skf21("2","7","2","1","2","3","3","1") = "6"
    & skf21("2","7","2","1","2","3","4","1") = "6"
    & skf21("2","7","2","1","2","3","5","1") = "6"
    & skf21("2","7","2","1","2","3","6","1") = "6"
    & skf21("2","7","2","1","2","3","7","1") = "6"
    & skf21("2","7","2","1","2","4","1","1") = "6"
    & skf21("2","7","2","1","2","4","2","1") = "6"
    & skf21("2","7","2","1","2","4","3","1") = "6"
    & skf21("2","7","2","1","2","4","4","1") = "6"
    & skf21("2","7","2","1","2","4","5","1") = "6"
    & skf21("2","7","2","1","2","4","6","1") = "6"
    & skf21("2","7","2","1","2","4","7","1") = "6"
    & skf21("2","7","2","1","2","5","1","1") = "6"
    & skf21("2","7","2","1","2","5","2","1") = "6"
    & skf21("2","7","2","1","2","5","3","1") = "6"
    & skf21("2","7","2","1","2","5","4","1") = "6"
    & skf21("2","7","2","1","2","5","5","1") = "6"
    & skf21("2","7","2","1","2","5","6","1") = "6"
    & skf21("2","7","2","1","2","5","7","1") = "6"
    & skf21("2","7","2","1","2","6","1","1") = "6"
    & skf21("2","7","2","1","2","6","2","1") = "6"
    & skf21("2","7","2","1","2","6","3","1") = "6"
    & skf21("2","7","2","1","2","6","4","1") = "6"
    & skf21("2","7","2","1","2","6","5","1") = "6"
    & skf21("2","7","2","1","2","6","6","1") = "6"
    & skf21("2","7","2","1","2","6","7","1") = "6"
    & skf21("2","7","2","1","2","7","1","1") = "6"
    & skf21("2","7","2","1","2","7","2","1") = "6"
    & skf21("2","7","2","1","2","7","3","1") = "6"
    & skf21("2","7","2","1","2","7","4","1") = "6"
    & skf21("2","7","2","1","2","7","5","1") = "6"
    & skf21("2","7","2","1","2","7","6","1") = "6"
    & skf21("2","7","2","1","2","7","7","1") = "6"
    & skf21("2","7","2","1","3","1","1","1") = "6"
    & skf21("2","7","2","1","3","1","2","1") = "6"
    & skf21("2","7","2","1","3","1","3","1") = "6"
    & skf21("2","7","2","1","3","1","4","1") = "6"
    & skf21("2","7","2","1","3","1","5","1") = "6"
    & skf21("2","7","2","1","3","1","6","1") = "6"
    & skf21("2","7","2","1","3","1","7","1") = "6"
    & skf21("2","7","2","1","3","2","1","1") = "6"
    & skf21("2","7","2","1","3","2","2","1") = "6"
    & skf21("2","7","2","1","3","2","3","1") = "6"
    & skf21("2","7","2","1","3","2","4","1") = "6"
    & skf21("2","7","2","1","3","2","5","1") = "6"
    & skf21("2","7","2","1","3","2","6","1") = "6"
    & skf21("2","7","2","1","3","2","7","1") = "6"
    & skf21("2","7","2","1","3","3","1","1") = "6"
    & skf21("2","7","2","1","3","3","2","1") = "6"
    & skf21("2","7","2","1","3","3","3","1") = "6"
    & skf21("2","7","2","1","3","3","4","1") = "6"
    & skf21("2","7","2","1","3","3","5","1") = "6"
    & skf21("2","7","2","1","3","3","6","1") = "6"
    & skf21("2","7","2","1","3","3","7","1") = "6"
    & skf21("2","7","2","1","3","4","1","1") = "6"
    & skf21("2","7","2","1","3","4","2","1") = "6"
    & skf21("2","7","2","1","3","4","3","1") = "6"
    & skf21("2","7","2","1","3","4","4","1") = "6"
    & skf21("2","7","2","1","3","4","5","1") = "6"
    & skf21("2","7","2","1","3","4","6","1") = "6"
    & skf21("2","7","2","1","3","4","7","1") = "6"
    & skf21("2","7","2","1","3","5","1","1") = "6"
    & skf21("2","7","2","1","3","5","2","1") = "6"
    & skf21("2","7","2","1","3","5","3","1") = "6"
    & skf21("2","7","2","1","3","5","4","1") = "6"
    & skf21("2","7","2","1","3","5","5","1") = "6"
    & skf21("2","7","2","1","3","5","6","1") = "6"
    & skf21("2","7","2","1","3","5","7","1") = "6"
    & skf21("2","7","2","1","3","6","1","1") = "6"
    & skf21("2","7","2","1","3","6","2","1") = "6"
    & skf21("2","7","2","1","3","6","3","1") = "6"
    & skf21("2","7","2","1","3","6","4","1") = "6"
    & skf21("2","7","2","1","3","6","5","1") = "6"
    & skf21("2","7","2","1","3","6","6","1") = "6"
    & skf21("2","7","2","1","3","6","7","1") = "6"
    & skf21("2","7","2","1","3","7","1","1") = "6"
    & skf21("2","7","2","1","3","7","2","1") = "6"
    & skf21("2","7","2","1","3","7","3","1") = "6"
    & skf21("2","7","2","1","3","7","4","1") = "6"
    & skf21("2","7","2","1","3","7","5","1") = "6"
    & skf21("2","7","2","1","3","7","6","1") = "6"
    & skf21("2","7","2","1","3","7","7","1") = "6"
    & skf21("2","7","2","1","4","1","1","1") = "6"
    & skf21("2","7","2","1","4","1","2","1") = "6"
    & skf21("2","7","2","1","4","1","3","1") = "6"
    & skf21("2","7","2","1","4","1","4","1") = "6"
    & skf21("2","7","2","1","4","1","5","1") = "6"
    & skf21("2","7","2","1","4","1","6","1") = "6"
    & skf21("2","7","2","1","4","1","7","1") = "6"
    & skf21("2","7","2","1","4","2","1","1") = "6"
    & skf21("2","7","2","1","4","2","2","1") = "6"
    & skf21("2","7","2","1","4","2","3","1") = "6"
    & skf21("2","7","2","1","4","2","4","1") = "6"
    & skf21("2","7","2","1","4","2","5","1") = "6"
    & skf21("2","7","2","1","4","2","6","1") = "6"
    & skf21("2","7","2","1","4","2","7","1") = "6"
    & skf21("2","7","2","1","4","3","1","1") = "6"
    & skf21("2","7","2","1","4","3","2","1") = "6"
    & skf21("2","7","2","1","4","3","3","1") = "6"
    & skf21("2","7","2","1","4","3","4","1") = "6"
    & skf21("2","7","2","1","4","3","5","1") = "6"
    & skf21("2","7","2","1","4","3","6","1") = "6"
    & skf21("2","7","2","1","4","3","7","1") = "6"
    & skf21("2","7","2","1","4","4","1","1") = "6"
    & skf21("2","7","2","1","4","4","2","1") = "6"
    & skf21("2","7","2","1","4","4","3","1") = "6"
    & skf21("2","7","2","1","4","4","4","1") = "6"
    & skf21("2","7","2","1","4","4","5","1") = "6"
    & skf21("2","7","2","1","4","4","6","1") = "6"
    & skf21("2","7","2","1","4","4","7","1") = "6"
    & skf21("2","7","2","1","4","5","1","1") = "6"
    & skf21("2","7","2","1","4","5","2","1") = "6"
    & skf21("2","7","2","1","4","5","3","1") = "6"
    & skf21("2","7","2","1","4","5","4","1") = "6"
    & skf21("2","7","2","1","4","5","5","1") = "6"
    & skf21("2","7","2","1","4","5","6","1") = "6"
    & skf21("2","7","2","1","4","5","7","1") = "6"
    & skf21("2","7","2","1","4","6","1","1") = "6"
    & skf21("2","7","2","1","4","6","2","1") = "6"
    & skf21("2","7","2","1","4","6","3","1") = "6"
    & skf21("2","7","2","1","4","6","4","1") = "6"
    & skf21("2","7","2","1","4","6","5","1") = "6"
    & skf21("2","7","2","1","4","6","6","1") = "6"
    & skf21("2","7","2","1","4","6","7","1") = "6"
    & skf21("2","7","2","1","4","7","1","1") = "6"
    & skf21("2","7","2","1","4","7","2","1") = "6"
    & skf21("2","7","2","1","4","7","3","1") = "6"
    & skf21("2","7","2","1","4","7","4","1") = "6"
    & skf21("2","7","2","1","4","7","5","1") = "6"
    & skf21("2","7","2","1","4","7","6","1") = "6"
    & skf21("2","7","2","1","4","7","7","1") = "6"
    & skf21("2","7","2","1","5","1","1","1") = "6"
    & skf21("2","7","2","1","5","1","2","1") = "6"
    & skf21("2","7","2","1","5","1","3","1") = "6"
    & skf21("2","7","2","1","5","1","4","1") = "6"
    & skf21("2","7","2","1","5","1","5","1") = "6"
    & skf21("2","7","2","1","5","1","6","1") = "6"
    & skf21("2","7","2","1","5","1","7","1") = "6"
    & skf21("2","7","2","1","5","2","1","1") = "6"
    & skf21("2","7","2","1","5","2","2","1") = "6"
    & skf21("2","7","2","1","5","2","3","1") = "6"
    & skf21("2","7","2","1","5","2","4","1") = "6"
    & skf21("2","7","2","1","5","2","5","1") = "6"
    & skf21("2","7","2","1","5","2","6","1") = "6"
    & skf21("2","7","2","1","5","2","7","1") = "6"
    & skf21("2","7","2","1","5","3","1","1") = "6"
    & skf21("2","7","2","1","5","3","2","1") = "6"
    & skf21("2","7","2","1","5","3","3","1") = "6"
    & skf21("2","7","2","1","5","3","4","1") = "6"
    & skf21("2","7","2","1","5","3","5","1") = "6"
    & skf21("2","7","2","1","5","3","6","1") = "6"
    & skf21("2","7","2","1","5","3","7","1") = "6"
    & skf21("2","7","2","1","5","4","1","1") = "6"
    & skf21("2","7","2","1","5","4","2","1") = "6"
    & skf21("2","7","2","1","5","4","3","1") = "6"
    & skf21("2","7","2","1","5","4","4","1") = "6"
    & skf21("2","7","2","1","5","4","5","1") = "6"
    & skf21("2","7","2","1","5","4","6","1") = "6"
    & skf21("2","7","2","1","5","4","7","1") = "6"
    & skf21("2","7","2","1","5","5","1","1") = "6"
    & skf21("2","7","2","1","5","5","2","1") = "6"
    & skf21("2","7","2","1","5","5","3","1") = "6"
    & skf21("2","7","2","1","5","5","4","1") = "6"
    & skf21("2","7","2","1","5","5","5","1") = "6"
    & skf21("2","7","2","1","5","5","6","1") = "6"
    & skf21("2","7","2","1","5","5","7","1") = "6"
    & skf21("2","7","2","1","5","6","1","1") = "6"
    & skf21("2","7","2","1","5","6","2","1") = "6"
    & skf21("2","7","2","1","5","6","3","1") = "6"
    & skf21("2","7","2","1","5","6","4","1") = "6"
    & skf21("2","7","2","1","5","6","5","1") = "6"
    & skf21("2","7","2","1","5","6","6","1") = "6"
    & skf21("2","7","2","1","5","6","7","1") = "6"
    & skf21("2","7","2","1","5","7","1","1") = "6"
    & skf21("2","7","2","1","5","7","2","1") = "6"
    & skf21("2","7","2","1","5","7","3","1") = "6"
    & skf21("2","7","2","1","5","7","4","1") = "6"
    & skf21("2","7","2","1","5","7","5","1") = "6"
    & skf21("2","7","2","1","5","7","6","1") = "6"
    & skf21("2","7","2","1","5","7","7","1") = "6"
    & skf21("2","7","2","1","6","1","1","1") = "6"
    & skf21("2","7","2","1","6","1","2","1") = "6"
    & skf21("2","7","2","1","6","1","3","1") = "6"
    & skf21("2","7","2","1","6","1","4","1") = "6"
    & skf21("2","7","2","1","6","1","5","1") = "6"
    & skf21("2","7","2","1","6","1","6","1") = "6"
    & skf21("2","7","2","1","6","1","7","1") = "6"
    & skf21("2","7","2","1","6","2","1","1") = "6"
    & skf21("2","7","2","1","6","2","2","1") = "6"
    & skf21("2","7","2","1","6","2","3","1") = "6"
    & skf21("2","7","2","1","6","2","4","1") = "6"
    & skf21("2","7","2","1","6","2","5","1") = "6"
    & skf21("2","7","2","1","6","2","6","1") = "6"
    & skf21("2","7","2","1","6","2","7","1") = "6"
    & skf21("2","7","2","1","6","3","1","1") = "6"
    & skf21("2","7","2","1","6","3","2","1") = "6"
    & skf21("2","7","2","1","6","3","3","1") = "6"
    & skf21("2","7","2","1","6","3","4","1") = "6"
    & skf21("2","7","2","1","6","3","5","1") = "6"
    & skf21("2","7","2","1","6","3","6","1") = "6"
    & skf21("2","7","2","1","6","3","7","1") = "6"
    & skf21("2","7","2","1","6","4","1","1") = "6"
    & skf21("2","7","2","1","6","4","2","1") = "6"
    & skf21("2","7","2","1","6","4","3","1") = "6"
    & skf21("2","7","2","1","6","4","4","1") = "6"
    & skf21("2","7","2","1","6","4","5","1") = "6"
    & skf21("2","7","2","1","6","4","6","1") = "6"
    & skf21("2","7","2","1","6","4","7","1") = "6"
    & skf21("2","7","2","1","6","5","1","1") = "6"
    & skf21("2","7","2","1","6","5","2","1") = "6"
    & skf21("2","7","2","1","6","5","3","1") = "6"
    & skf21("2","7","2","1","6","5","4","1") = "6"
    & skf21("2","7","2","1","6","5","5","1") = "6"
    & skf21("2","7","2","1","6","5","6","1") = "6"
    & skf21("2","7","2","1","6","5","7","1") = "6"
    & skf21("2","7","2","1","6","6","1","1") = "6"
    & skf21("2","7","2","1","6","6","2","1") = "6"
    & skf21("2","7","2","1","6","6","3","1") = "6"
    & skf21("2","7","2","1","6","6","4","1") = "6"
    & skf21("2","7","2","1","6","6","5","1") = "6"
    & skf21("2","7","2","1","6","6","6","1") = "6"
    & skf21("2","7","2","1","6","6","7","1") = "6"
    & skf21("2","7","2","1","6","7","1","1") = "6"
    & skf21("2","7","2","1","6","7","2","1") = "6"
    & skf21("2","7","2","1","6","7","3","1") = "6"
    & skf21("2","7","2","1","6","7","4","1") = "6"
    & skf21("2","7","2","1","6","7","5","1") = "6"
    & skf21("2","7","2","1","6","7","6","1") = "6"
    & skf21("2","7","2","1","6","7","7","1") = "6"
    & skf21("2","7","2","1","7","1","1","1") = "6"
    & skf21("2","7","2","1","7","1","2","1") = "6"
    & skf21("2","7","2","1","7","1","3","1") = "6"
    & skf21("2","7","2","1","7","1","4","1") = "6"
    & skf21("2","7","2","1","7","1","5","1") = "6"
    & skf21("2","7","2","1","7","1","6","1") = "6"
    & skf21("2","7","2","1","7","1","7","1") = "6"
    & skf21("2","7","2","1","7","2","1","1") = "6"
    & skf21("2","7","2","1","7","2","2","1") = "6"
    & skf21("2","7","2","1","7","2","3","1") = "6"
    & skf21("2","7","2","1","7","2","4","1") = "6"
    & skf21("2","7","2","1","7","2","5","1") = "6"
    & skf21("2","7","2","1","7","2","6","1") = "6"
    & skf21("2","7","2","1","7","2","7","1") = "6"
    & skf21("2","7","2","1","7","3","1","1") = "6"
    & skf21("2","7","2","1","7","3","2","1") = "6"
    & skf21("2","7","2","1","7","3","3","1") = "6"
    & skf21("2","7","2","1","7","3","4","1") = "6"
    & skf21("2","7","2","1","7","3","5","1") = "6"
    & skf21("2","7","2","1","7","3","6","1") = "6"
    & skf21("2","7","2","1","7","3","7","1") = "6"
    & skf21("2","7","2","1","7","4","1","1") = "6"
    & skf21("2","7","2","1","7","4","2","1") = "6"
    & skf21("2","7","2","1","7","4","3","1") = "6"
    & skf21("2","7","2","1","7","4","4","1") = "6"
    & skf21("2","7","2","1","7","4","5","1") = "6"
    & skf21("2","7","2","1","7","4","6","1") = "6"
    & skf21("2","7","2","1","7","4","7","1") = "6"
    & skf21("2","7","2","1","7","5","1","1") = "6"
    & skf21("2","7","2","1","7","5","2","1") = "6"
    & skf21("2","7","2","1","7","5","3","1") = "6"
    & skf21("2","7","2","1","7","5","4","1") = "6"
    & skf21("2","7","2","1","7","5","5","1") = "6"
    & skf21("2","7","2","1","7","5","6","1") = "6"
    & skf21("2","7","2","1","7","5","7","1") = "6"
    & skf21("2","7","2","1","7","6","1","1") = "6"
    & skf21("2","7","2","1","7","6","2","1") = "6"
    & skf21("2","7","2","1","7","6","3","1") = "6"
    & skf21("2","7","2","1","7","6","4","1") = "6"
    & skf21("2","7","2","1","7","6","5","1") = "6"
    & skf21("2","7","2","1","7","6","6","1") = "6"
    & skf21("2","7","2","1","7","6","7","1") = "6"
    & skf21("2","7","2","1","7","7","1","1") = "6"
    & skf21("2","7","2","1","7","7","2","1") = "6"
    & skf21("2","7","2","1","7","7","3","1") = "6"
    & skf21("2","7","2","1","7","7","4","1") = "6"
    & skf21("2","7","2","1","7","7","5","1") = "6"
    & skf21("2","7","2","1","7","7","6","1") = "6"
    & skf21("2","7","2","1","7","7","7","1") = "6"
    & skf21("2","7","2","2","1","1","1","1") = "6"
    & skf21("2","7","2","2","1","1","2","1") = "6"
    & skf21("2","7","2","2","1","1","3","1") = "6"
    & skf21("2","7","2","2","1","1","4","1") = "6"
    & skf21("2","7","2","2","1","1","5","1") = "6"
    & skf21("2","7","2","2","1","1","6","1") = "6"
    & skf21("2","7","2","2","1","1","7","1") = "6"
    & skf21("2","7","2","2","1","2","1","1") = "6"
    & skf21("2","7","2","2","1","2","2","1") = "6"
    & skf21("2","7","2","2","1","2","3","1") = "6"
    & skf21("2","7","2","2","1","2","4","1") = "6"
    & skf21("2","7","2","2","1","2","5","1") = "6"
    & skf21("2","7","2","2","1","2","6","1") = "6"
    & skf21("2","7","2","2","1","2","7","1") = "6"
    & skf21("2","7","2","2","1","3","1","1") = "6"
    & skf21("2","7","2","2","1","3","2","1") = "6"
    & skf21("2","7","2","2","1","3","3","1") = "6"
    & skf21("2","7","2","2","1","3","4","1") = "6"
    & skf21("2","7","2","2","1","3","5","1") = "6"
    & skf21("2","7","2","2","1","3","6","1") = "6"
    & skf21("2","7","2","2","1","3","7","1") = "6"
    & skf21("2","7","2","2","1","4","1","1") = "6"
    & skf21("2","7","2","2","1","4","2","1") = "6"
    & skf21("2","7","2","2","1","4","3","1") = "6"
    & skf21("2","7","2","2","1","4","4","1") = "6"
    & skf21("2","7","2","2","1","4","5","1") = "6"
    & skf21("2","7","2","2","1","4","6","1") = "6"
    & skf21("2","7","2","2","1","4","7","1") = "6"
    & skf21("2","7","2","2","1","5","1","1") = "6"
    & skf21("2","7","2","2","1","5","2","1") = "6"
    & skf21("2","7","2","2","1","5","3","1") = "6"
    & skf21("2","7","2","2","1","5","4","1") = "6"
    & skf21("2","7","2","2","1","5","5","1") = "6"
    & skf21("2","7","2","2","1","5","6","1") = "6"
    & skf21("2","7","2","2","1","5","7","1") = "6"
    & skf21("2","7","2","2","1","6","1","1") = "6"
    & skf21("2","7","2","2","1","6","2","1") = "6"
    & skf21("2","7","2","2","1","6","3","1") = "6"
    & skf21("2","7","2","2","1","6","4","1") = "6"
    & skf21("2","7","2","2","1","6","5","1") = "6"
    & skf21("2","7","2","2","1","6","6","1") = "6"
    & skf21("2","7","2","2","1","6","7","1") = "6"
    & skf21("2","7","2","2","1","7","1","1") = "6"
    & skf21("2","7","2","2","1","7","2","1") = "6"
    & skf21("2","7","2","2","1","7","3","1") = "6"
    & skf21("2","7","2","2","1","7","4","1") = "6"
    & skf21("2","7","2","2","1","7","5","1") = "6"
    & skf21("2","7","2","2","1","7","6","1") = "6"
    & skf21("2","7","2","2","1","7","7","1") = "6"
    & skf21("2","7","2","2","2","1","1","1") = "6"
    & skf21("2","7","2","2","2","1","2","1") = "6"
    & skf21("2","7","2","2","2","1","3","1") = "6"
    & skf21("2","7","2","2","2","1","4","1") = "6"
    & skf21("2","7","2","2","2","1","5","1") = "6"
    & skf21("2","7","2","2","2","1","6","1") = "6"
    & skf21("2","7","2","2","2","1","7","1") = "6"
    & skf21("2","7","2","2","2","2","1","1") = "6"
    & skf21("2","7","2","2","2","2","2","1") = "6"
    & skf21("2","7","2","2","2","2","3","1") = "6"
    & skf21("2","7","2","2","2","2","4","1") = "6"
    & skf21("2","7","2","2","2","2","5","1") = "6"
    & skf21("2","7","2","2","2","2","6","1") = "6"
    & skf21("2","7","2","2","2","2","7","1") = "6"
    & skf21("2","7","2","2","2","3","1","1") = "6"
    & skf21("2","7","2","2","2","3","2","1") = "6"
    & skf21("2","7","2","2","2","3","3","1") = "6"
    & skf21("2","7","2","2","2","3","4","1") = "6"
    & skf21("2","7","2","2","2","3","5","1") = "6"
    & skf21("2","7","2","2","2","3","6","1") = "6"
    & skf21("2","7","2","2","2","3","7","1") = "6"
    & skf21("2","7","2","2","2","4","1","1") = "6"
    & skf21("2","7","2","2","2","4","2","1") = "6"
    & skf21("2","7","2","2","2","4","3","1") = "6"
    & skf21("2","7","2","2","2","4","4","1") = "6"
    & skf21("2","7","2","2","2","4","5","1") = "6"
    & skf21("2","7","2","2","2","4","6","1") = "6"
    & skf21("2","7","2","2","2","4","7","1") = "6"
    & skf21("2","7","2","2","2","5","1","1") = "6"
    & skf21("2","7","2","2","2","5","2","1") = "6"
    & skf21("2","7","2","2","2","5","3","1") = "6"
    & skf21("2","7","2","2","2","5","4","1") = "6"
    & skf21("2","7","2","2","2","5","5","1") = "6"
    & skf21("2","7","2","2","2","5","6","1") = "6"
    & skf21("2","7","2","2","2","5","7","1") = "6"
    & skf21("2","7","2","2","2","6","1","1") = "6"
    & skf21("2","7","2","2","2","6","2","1") = "6"
    & skf21("2","7","2","2","2","6","3","1") = "6"
    & skf21("2","7","2","2","2","6","4","1") = "6"
    & skf21("2","7","2","2","2","6","5","1") = "6"
    & skf21("2","7","2","2","2","6","6","1") = "6"
    & skf21("2","7","2","2","2","6","7","1") = "6"
    & skf21("2","7","2","2","2","7","1","1") = "6"
    & skf21("2","7","2","2","2","7","2","1") = "6"
    & skf21("2","7","2","2","2","7","3","1") = "6"
    & skf21("2","7","2","2","2","7","4","1") = "6"
    & skf21("2","7","2","2","2","7","5","1") = "6"
    & skf21("2","7","2","2","2","7","6","1") = "6"
    & skf21("2","7","2","2","2","7","7","1") = "6"
    & skf21("2","7","2","2","3","1","1","1") = "6"
    & skf21("2","7","2","2","3","1","2","1") = "6"
    & skf21("2","7","2","2","3","1","3","1") = "6"
    & skf21("2","7","2","2","3","1","4","1") = "6"
    & skf21("2","7","2","2","3","1","5","1") = "6"
    & skf21("2","7","2","2","3","1","6","1") = "6"
    & skf21("2","7","2","2","3","1","7","1") = "6"
    & skf21("2","7","2","2","3","2","1","1") = "6"
    & skf21("2","7","2","2","3","2","2","1") = "6"
    & skf21("2","7","2","2","3","2","3","1") = "6"
    & skf21("2","7","2","2","3","2","4","1") = "6"
    & skf21("2","7","2","2","3","2","5","1") = "6"
    & skf21("2","7","2","2","3","2","6","1") = "6"
    & skf21("2","7","2","2","3","2","7","1") = "6"
    & skf21("2","7","2","2","3","3","1","1") = "6"
    & skf21("2","7","2","2","3","3","2","1") = "6"
    & skf21("2","7","2","2","3","3","3","1") = "6"
    & skf21("2","7","2","2","3","3","4","1") = "6"
    & skf21("2","7","2","2","3","3","5","1") = "6"
    & skf21("2","7","2","2","3","3","6","1") = "6"
    & skf21("2","7","2","2","3","3","7","1") = "6"
    & skf21("2","7","2","2","3","4","1","1") = "6"
    & skf21("2","7","2","2","3","4","2","1") = "6"
    & skf21("2","7","2","2","3","4","3","1") = "6"
    & skf21("2","7","2","2","3","4","4","1") = "6"
    & skf21("2","7","2","2","3","4","5","1") = "6"
    & skf21("2","7","2","2","3","4","6","1") = "6"
    & skf21("2","7","2","2","3","4","7","1") = "6"
    & skf21("2","7","2","2","3","5","1","1") = "6"
    & skf21("2","7","2","2","3","5","2","1") = "6"
    & skf21("2","7","2","2","3","5","3","1") = "6"
    & skf21("2","7","2","2","3","5","4","1") = "6"
    & skf21("2","7","2","2","3","5","5","1") = "6"
    & skf21("2","7","2","2","3","5","6","1") = "6"
    & skf21("2","7","2","2","3","5","7","1") = "6"
    & skf21("2","7","2","2","3","6","1","1") = "6"
    & skf21("2","7","2","2","3","6","2","1") = "6"
    & skf21("2","7","2","2","3","6","3","1") = "6"
    & skf21("2","7","2","2","3","6","4","1") = "6"
    & skf21("2","7","2","2","3","6","5","1") = "6"
    & skf21("2","7","2","2","3","6","6","1") = "6"
    & skf21("2","7","2","2","3","6","7","1") = "6"
    & skf21("2","7","2","2","3","7","1","1") = "6"
    & skf21("2","7","2","2","3","7","2","1") = "6"
    & skf21("2","7","2","2","3","7","3","1") = "6"
    & skf21("2","7","2","2","3","7","4","1") = "6"
    & skf21("2","7","2","2","3","7","5","1") = "6"
    & skf21("2","7","2","2","3","7","6","1") = "6"
    & skf21("2","7","2","2","3","7","7","1") = "6"
    & skf21("2","7","2","2","4","1","1","1") = "6"
    & skf21("2","7","2","2","4","1","2","1") = "6"
    & skf21("2","7","2","2","4","1","3","1") = "6"
    & skf21("2","7","2","2","4","1","4","1") = "6"
    & skf21("2","7","2","2","4","1","5","1") = "6"
    & skf21("2","7","2","2","4","1","6","1") = "6"
    & skf21("2","7","2","2","4","1","7","1") = "6"
    & skf21("2","7","2","2","4","2","1","1") = "6"
    & skf21("2","7","2","2","4","2","2","1") = "6"
    & skf21("2","7","2","2","4","2","3","1") = "6"
    & skf21("2","7","2","2","4","2","4","1") = "6"
    & skf21("2","7","2","2","4","2","5","1") = "6"
    & skf21("2","7","2","2","4","2","6","1") = "6"
    & skf21("2","7","2","2","4","2","7","1") = "6"
    & skf21("2","7","2","2","4","3","1","1") = "6"
    & skf21("2","7","2","2","4","3","2","1") = "6"
    & skf21("2","7","2","2","4","3","3","1") = "6"
    & skf21("2","7","2","2","4","3","4","1") = "6"
    & skf21("2","7","2","2","4","3","5","1") = "6"
    & skf21("2","7","2","2","4","3","6","1") = "6"
    & skf21("2","7","2","2","4","3","7","1") = "6"
    & skf21("2","7","2","2","4","4","1","1") = "6"
    & skf21("2","7","2","2","4","4","2","1") = "6"
    & skf21("2","7","2","2","4","4","3","1") = "6"
    & skf21("2","7","2","2","4","4","4","1") = "6"
    & skf21("2","7","2","2","4","4","5","1") = "6"
    & skf21("2","7","2","2","4","4","6","1") = "6"
    & skf21("2","7","2","2","4","4","7","1") = "6"
    & skf21("2","7","2","2","4","5","1","1") = "6"
    & skf21("2","7","2","2","4","5","2","1") = "6"
    & skf21("2","7","2","2","4","5","3","1") = "6"
    & skf21("2","7","2","2","4","5","4","1") = "6"
    & skf21("2","7","2","2","4","5","5","1") = "6"
    & skf21("2","7","2","2","4","5","6","1") = "6"
    & skf21("2","7","2","2","4","5","7","1") = "6"
    & skf21("2","7","2","2","4","6","1","1") = "6"
    & skf21("2","7","2","2","4","6","2","1") = "6"
    & skf21("2","7","2","2","4","6","3","1") = "6"
    & skf21("2","7","2","2","4","6","4","1") = "6"
    & skf21("2","7","2","2","4","6","5","1") = "6"
    & skf21("2","7","2","2","4","6","6","1") = "6"
    & skf21("2","7","2","2","4","6","7","1") = "6"
    & skf21("2","7","2","2","4","7","1","1") = "6"
    & skf21("2","7","2","2","4","7","2","1") = "6"
    & skf21("2","7","2","2","4","7","3","1") = "6"
    & skf21("2","7","2","2","4","7","4","1") = "6"
    & skf21("2","7","2","2","4","7","5","1") = "6"
    & skf21("2","7","2","2","4","7","6","1") = "6"
    & skf21("2","7","2","2","4","7","7","1") = "6"
    & skf21("2","7","2","2","5","1","1","1") = "6"
    & skf21("2","7","2","2","5","1","2","1") = "6"
    & skf21("2","7","2","2","5","1","3","1") = "6"
    & skf21("2","7","2","2","5","1","4","1") = "6"
    & skf21("2","7","2","2","5","1","5","1") = "6"
    & skf21("2","7","2","2","5","1","6","1") = "6"
    & skf21("2","7","2","2","5","1","7","1") = "6"
    & skf21("2","7","2","2","5","2","1","1") = "6"
    & skf21("2","7","2","2","5","2","2","1") = "6"
    & skf21("2","7","2","2","5","2","3","1") = "6"
    & skf21("2","7","2","2","5","2","4","1") = "6"
    & skf21("2","7","2","2","5","2","5","1") = "6"
    & skf21("2","7","2","2","5","2","6","1") = "6"
    & skf21("2","7","2","2","5","2","7","1") = "6"
    & skf21("2","7","2","2","5","3","1","1") = "6"
    & skf21("2","7","2","2","5","3","2","1") = "6"
    & skf21("2","7","2","2","5","3","3","1") = "6"
    & skf21("2","7","2","2","5","3","4","1") = "6"
    & skf21("2","7","2","2","5","3","5","1") = "6"
    & skf21("2","7","2","2","5","3","6","1") = "6"
    & skf21("2","7","2","2","5","3","7","1") = "6"
    & skf21("2","7","2","2","5","4","1","1") = "6"
    & skf21("2","7","2","2","5","4","2","1") = "6"
    & skf21("2","7","2","2","5","4","3","1") = "6"
    & skf21("2","7","2","2","5","4","4","1") = "6"
    & skf21("2","7","2","2","5","4","5","1") = "6"
    & skf21("2","7","2","2","5","4","6","1") = "6"
    & skf21("2","7","2","2","5","4","7","1") = "6"
    & skf21("2","7","2","2","5","5","1","1") = "6"
    & skf21("2","7","2","2","5","5","2","1") = "6"
    & skf21("2","7","2","2","5","5","3","1") = "6"
    & skf21("2","7","2","2","5","5","4","1") = "6"
    & skf21("2","7","2","2","5","5","5","1") = "6"
    & skf21("2","7","2","2","5","5","6","1") = "6"
    & skf21("2","7","2","2","5","5","7","1") = "6"
    & skf21("2","7","2","2","5","6","1","1") = "6"
    & skf21("2","7","2","2","5","6","2","1") = "6"
    & skf21("2","7","2","2","5","6","3","1") = "6"
    & skf21("2","7","2","2","5","6","4","1") = "6"
    & skf21("2","7","2","2","5","6","5","1") = "6"
    & skf21("2","7","2","2","5","6","6","1") = "6"
    & skf21("2","7","2","2","5","6","7","1") = "6"
    & skf21("2","7","2","2","5","7","1","1") = "6"
    & skf21("2","7","2","2","5","7","2","1") = "6"
    & skf21("2","7","2","2","5","7","3","1") = "6"
    & skf21("2","7","2","2","5","7","4","1") = "6"
    & skf21("2","7","2","2","5","7","5","1") = "6"
    & skf21("2","7","2","2","5","7","6","1") = "6"
    & skf21("2","7","2","2","5","7","7","1") = "6"
    & skf21("2","7","2","2","6","1","1","1") = "6"
    & skf21("2","7","2","2","6","1","2","1") = "6"
    & skf21("2","7","2","2","6","1","3","1") = "6"
    & skf21("2","7","2","2","6","1","4","1") = "6"
    & skf21("2","7","2","2","6","1","5","1") = "6"
    & skf21("2","7","2","2","6","1","6","1") = "6"
    & skf21("2","7","2","2","6","1","7","1") = "6"
    & skf21("2","7","2","2","6","2","1","1") = "6"
    & skf21("2","7","2","2","6","2","2","1") = "6"
    & skf21("2","7","2","2","6","2","3","1") = "6"
    & skf21("2","7","2","2","6","2","4","1") = "6"
    & skf21("2","7","2","2","6","2","5","1") = "6"
    & skf21("2","7","2","2","6","2","6","1") = "6"
    & skf21("2","7","2","2","6","2","7","1") = "6"
    & skf21("2","7","2","2","6","3","1","1") = "6"
    & skf21("2","7","2","2","6","3","2","1") = "6"
    & skf21("2","7","2","2","6","3","3","1") = "6"
    & skf21("2","7","2","2","6","3","4","1") = "6"
    & skf21("2","7","2","2","6","3","5","1") = "6"
    & skf21("2","7","2","2","6","3","6","1") = "6"
    & skf21("2","7","2","2","6","3","7","1") = "6"
    & skf21("2","7","2","2","6","4","1","1") = "6"
    & skf21("2","7","2","2","6","4","2","1") = "6"
    & skf21("2","7","2","2","6","4","3","1") = "6"
    & skf21("2","7","2","2","6","4","4","1") = "6"
    & skf21("2","7","2","2","6","4","5","1") = "6"
    & skf21("2","7","2","2","6","4","6","1") = "6"
    & skf21("2","7","2","2","6","4","7","1") = "6"
    & skf21("2","7","2","2","6","5","1","1") = "6"
    & skf21("2","7","2","2","6","5","2","1") = "6"
    & skf21("2","7","2","2","6","5","3","1") = "6"
    & skf21("2","7","2","2","6","5","4","1") = "6"
    & skf21("2","7","2","2","6","5","5","1") = "6"
    & skf21("2","7","2","2","6","5","6","1") = "6"
    & skf21("2","7","2","2","6","5","7","1") = "6"
    & skf21("2","7","2","2","6","6","1","1") = "6"
    & skf21("2","7","2","2","6","6","2","1") = "6"
    & skf21("2","7","2","2","6","6","3","1") = "6"
    & skf21("2","7","2","2","6","6","4","1") = "6"
    & skf21("2","7","2","2","6","6","5","1") = "6"
    & skf21("2","7","2","2","6","6","6","1") = "6"
    & skf21("2","7","2","2","6","6","7","1") = "6"
    & skf21("2","7","2","2","6","7","1","1") = "6"
    & skf21("2","7","2","2","6","7","2","1") = "6"
    & skf21("2","7","2","2","6","7","3","1") = "6"
    & skf21("2","7","2","2","6","7","4","1") = "6"
    & skf21("2","7","2","2","6","7","5","1") = "6"
    & skf21("2","7","2","2","6","7","6","1") = "6"
    & skf21("2","7","2","2","6","7","7","1") = "6"
    & skf21("2","7","2","2","7","1","1","1") = "6"
    & skf21("2","7","2","2","7","1","2","1") = "6"
    & skf21("2","7","2","2","7","1","3","1") = "6"
    & skf21("2","7","2","2","7","1","4","1") = "6"
    & skf21("2","7","2","2","7","1","5","1") = "6"
    & skf21("2","7","2","2","7","1","6","1") = "6"
    & skf21("2","7","2","2","7","1","7","1") = "6"
    & skf21("2","7","2","2","7","2","1","1") = "6"
    & skf21("2","7","2","2","7","2","2","1") = "6"
    & skf21("2","7","2","2","7","2","3","1") = "6"
    & skf21("2","7","2","2","7","2","4","1") = "6"
    & skf21("2","7","2","2","7","2","5","1") = "6"
    & skf21("2","7","2","2","7","2","6","1") = "6"
    & skf21("2","7","2","2","7","2","7","1") = "6"
    & skf21("2","7","2","2","7","3","1","1") = "6"
    & skf21("2","7","2","2","7","3","2","1") = "6"
    & skf21("2","7","2","2","7","3","3","1") = "6"
    & skf21("2","7","2","2","7","3","4","1") = "6"
    & skf21("2","7","2","2","7","3","5","1") = "6"
    & skf21("2","7","2","2","7","3","6","1") = "6"
    & skf21("2","7","2","2","7","3","7","1") = "6"
    & skf21("2","7","2","2","7","4","1","1") = "6"
    & skf21("2","7","2","2","7","4","2","1") = "6"
    & skf21("2","7","2","2","7","4","3","1") = "6"
    & skf21("2","7","2","2","7","4","4","1") = "6"
    & skf21("2","7","2","2","7","4","5","1") = "6"
    & skf21("2","7","2","2","7","4","6","1") = "6"
    & skf21("2","7","2","2","7","4","7","1") = "6"
    & skf21("2","7","2","2","7","5","1","1") = "6"
    & skf21("2","7","2","2","7","5","2","1") = "6"
    & skf21("2","7","2","2","7","5","3","1") = "6"
    & skf21("2","7","2","2","7","5","4","1") = "6"
    & skf21("2","7","2","2","7","5","5","1") = "6"
    & skf21("2","7","2","2","7","5","6","1") = "6"
    & skf21("2","7","2","2","7","5","7","1") = "6"
    & skf21("2","7","2","2","7","6","1","1") = "6"
    & skf21("2","7","2","2","7","6","2","1") = "6"
    & skf21("2","7","2","2","7","6","3","1") = "6"
    & skf21("2","7","2","2","7","6","4","1") = "6"
    & skf21("2","7","2","2","7","6","5","1") = "6"
    & skf21("2","7","2","2","7","6","6","1") = "6"
    & skf21("2","7","2","2","7","6","7","1") = "6"
    & skf21("2","7","2","2","7","7","1","1") = "6"
    & skf21("2","7","2","2","7","7","2","1") = "6"
    & skf21("2","7","2","2","7","7","3","1") = "6"
    & skf21("2","7","2","2","7","7","4","1") = "6"
    & skf21("2","7","2","2","7","7","5","1") = "6"
    & skf21("2","7","2","2","7","7","6","1") = "6"
    & skf21("2","7","2","2","7","7","7","1") = "6"
    & skf21("2","7","2","3","1","1","1","1") = "6"
    & skf21("2","7","2","3","1","1","2","1") = "6"
    & skf21("2","7","2","3","1","1","3","1") = "6"
    & skf21("2","7","2","3","1","1","4","1") = "6"
    & skf21("2","7","2","3","1","1","5","1") = "6"
    & skf21("2","7","2","3","1","1","6","1") = "6"
    & skf21("2","7","2","3","1","1","7","1") = "6"
    & skf21("2","7","2","3","1","2","1","1") = "6"
    & skf21("2","7","2","3","1","2","2","1") = "6"
    & skf21("2","7","2","3","1","2","3","1") = "6"
    & skf21("2","7","2","3","1","2","4","1") = "6"
    & skf21("2","7","2","3","1","2","5","1") = "6"
    & skf21("2","7","2","3","1","2","6","1") = "6"
    & skf21("2","7","2","3","1","2","7","1") = "6"
    & skf21("2","7","2","3","1","3","1","1") = "6"
    & skf21("2","7","2","3","1","3","2","1") = "6"
    & skf21("2","7","2","3","1","3","3","1") = "6"
    & skf21("2","7","2","3","1","3","4","1") = "6"
    & skf21("2","7","2","3","1","3","5","1") = "6"
    & skf21("2","7","2","3","1","3","6","1") = "6"
    & skf21("2","7","2","3","1","3","7","1") = "6"
    & skf21("2","7","2","3","1","4","1","1") = "6"
    & skf21("2","7","2","3","1","4","2","1") = "6"
    & skf21("2","7","2","3","1","4","3","1") = "6"
    & skf21("2","7","2","3","1","4","4","1") = "6"
    & skf21("2","7","2","3","1","4","5","1") = "6"
    & skf21("2","7","2","3","1","4","6","1") = "6"
    & skf21("2","7","2","3","1","4","7","1") = "6"
    & skf21("2","7","2","3","1","5","1","1") = "6"
    & skf21("2","7","2","3","1","5","2","1") = "6"
    & skf21("2","7","2","3","1","5","3","1") = "6"
    & skf21("2","7","2","3","1","5","4","1") = "6"
    & skf21("2","7","2","3","1","5","5","1") = "6"
    & skf21("2","7","2","3","1","5","6","1") = "6"
    & skf21("2","7","2","3","1","5","7","1") = "6"
    & skf21("2","7","2","3","1","6","1","1") = "6"
    & skf21("2","7","2","3","1","6","2","1") = "6"
    & skf21("2","7","2","3","1","6","3","1") = "6"
    & skf21("2","7","2","3","1","6","4","1") = "6"
    & skf21("2","7","2","3","1","6","5","1") = "6"
    & skf21("2","7","2","3","1","6","6","1") = "6"
    & skf21("2","7","2","3","1","6","7","1") = "6"
    & skf21("2","7","2","3","1","7","1","1") = "6"
    & skf21("2","7","2","3","1","7","2","1") = "6"
    & skf21("2","7","2","3","1","7","3","1") = "6"
    & skf21("2","7","2","3","1","7","4","1") = "6"
    & skf21("2","7","2","3","1","7","5","1") = "6"
    & skf21("2","7","2","3","1","7","6","1") = "6"
    & skf21("2","7","2","3","1","7","7","1") = "6"
    & skf21("2","7","2","3","2","1","1","1") = "6"
    & skf21("2","7","2","3","2","1","2","1") = "6"
    & skf21("2","7","2","3","2","1","3","1") = "6"
    & skf21("2","7","2","3","2","1","4","1") = "6"
    & skf21("2","7","2","3","2","1","5","1") = "6"
    & skf21("2","7","2","3","2","1","6","1") = "6"
    & skf21("2","7","2","3","2","1","7","1") = "6"
    & skf21("2","7","2","3","2","2","1","1") = "6"
    & skf21("2","7","2","3","2","2","2","1") = "6"
    & skf21("2","7","2","3","2","2","3","1") = "6"
    & skf21("2","7","2","3","2","2","4","1") = "6"
    & skf21("2","7","2","3","2","2","5","1") = "6"
    & skf21("2","7","2","3","2","2","6","1") = "6"
    & skf21("2","7","2","3","2","2","7","1") = "6"
    & skf21("2","7","2","3","2","3","1","1") = "6"
    & skf21("2","7","2","3","2","3","2","1") = "6"
    & skf21("2","7","2","3","2","3","3","1") = "6"
    & skf21("2","7","2","3","2","3","4","1") = "6"
    & skf21("2","7","2","3","2","3","5","1") = "6"
    & skf21("2","7","2","3","2","3","6","1") = "6"
    & skf21("2","7","2","3","2","3","7","1") = "6"
    & skf21("2","7","2","3","2","4","1","1") = "6"
    & skf21("2","7","2","3","2","4","2","1") = "6"
    & skf21("2","7","2","3","2","4","3","1") = "6"
    & skf21("2","7","2","3","2","4","4","1") = "6"
    & skf21("2","7","2","3","2","4","5","1") = "6"
    & skf21("2","7","2","3","2","4","6","1") = "6"
    & skf21("2","7","2","3","2","4","7","1") = "6"
    & skf21("2","7","2","3","2","5","1","1") = "6"
    & skf21("2","7","2","3","2","5","2","1") = "6"
    & skf21("2","7","2","3","2","5","3","1") = "6"
    & skf21("2","7","2","3","2","5","4","1") = "6"
    & skf21("2","7","2","3","2","5","5","1") = "6"
    & skf21("2","7","2","3","2","5","6","1") = "6"
    & skf21("2","7","2","3","2","5","7","1") = "6"
    & skf21("2","7","2","3","2","6","1","1") = "6"
    & skf21("2","7","2","3","2","6","2","1") = "6"
    & skf21("2","7","2","3","2","6","3","1") = "6"
    & skf21("2","7","2","3","2","6","4","1") = "6"
    & skf21("2","7","2","3","2","6","5","1") = "6"
    & skf21("2","7","2","3","2","6","6","1") = "6"
    & skf21("2","7","2","3","2","6","7","1") = "6"
    & skf21("2","7","2","3","2","7","1","1") = "6"
    & skf21("2","7","2","3","2","7","2","1") = "6"
    & skf21("2","7","2","3","2","7","3","1") = "6"
    & skf21("2","7","2","3","2","7","4","1") = "6"
    & skf21("2","7","2","3","2","7","5","1") = "6"
    & skf21("2","7","2","3","2","7","6","1") = "6"
    & skf21("2","7","2","3","2","7","7","1") = "6"
    & skf21("2","7","2","3","3","1","1","1") = "6"
    & skf21("2","7","2","3","3","1","2","1") = "6"
    & skf21("2","7","2","3","3","1","3","1") = "6"
    & skf21("2","7","2","3","3","1","4","1") = "6"
    & skf21("2","7","2","3","3","1","5","1") = "6"
    & skf21("2","7","2","3","3","1","6","1") = "6"
    & skf21("2","7","2","3","3","1","7","1") = "6"
    & skf21("2","7","2","3","3","2","1","1") = "6"
    & skf21("2","7","2","3","3","2","2","1") = "6"
    & skf21("2","7","2","3","3","2","3","1") = "6"
    & skf21("2","7","2","3","3","2","4","1") = "6"
    & skf21("2","7","2","3","3","2","5","1") = "6"
    & skf21("2","7","2","3","3","2","6","1") = "6"
    & skf21("2","7","2","3","3","2","7","1") = "6"
    & skf21("2","7","2","3","3","3","1","1") = "6"
    & skf21("2","7","2","3","3","3","2","1") = "6"
    & skf21("2","7","2","3","3","3","3","1") = "6"
    & skf21("2","7","2","3","3","3","4","1") = "6"
    & skf21("2","7","2","3","3","3","5","1") = "6"
    & skf21("2","7","2","3","3","3","6","1") = "6"
    & skf21("2","7","2","3","3","3","7","1") = "6"
    & skf21("2","7","2","3","3","4","1","1") = "6"
    & skf21("2","7","2","3","3","4","2","1") = "6"
    & skf21("2","7","2","3","3","4","3","1") = "6"
    & skf21("2","7","2","3","3","4","4","1") = "6"
    & skf21("2","7","2","3","3","4","5","1") = "6"
    & skf21("2","7","2","3","3","4","6","1") = "6"
    & skf21("2","7","2","3","3","4","7","1") = "6"
    & skf21("2","7","2","3","3","5","1","1") = "6"
    & skf21("2","7","2","3","3","5","2","1") = "6"
    & skf21("2","7","2","3","3","5","3","1") = "6"
    & skf21("2","7","2","3","3","5","4","1") = "6"
    & skf21("2","7","2","3","3","5","5","1") = "6"
    & skf21("2","7","2","3","3","5","6","1") = "6"
    & skf21("2","7","2","3","3","5","7","1") = "6"
    & skf21("2","7","2","3","3","6","1","1") = "6"
    & skf21("2","7","2","3","3","6","2","1") = "6"
    & skf21("2","7","2","3","3","6","3","1") = "6"
    & skf21("2","7","2","3","3","6","4","1") = "6"
    & skf21("2","7","2","3","3","6","5","1") = "6"
    & skf21("2","7","2","3","3","6","6","1") = "6"
    & skf21("2","7","2","3","3","6","7","1") = "6"
    & skf21("2","7","2","3","3","7","1","1") = "6"
    & skf21("2","7","2","3","3","7","2","1") = "6"
    & skf21("2","7","2","3","3","7","3","1") = "6"
    & skf21("2","7","2","3","3","7","4","1") = "6"
    & skf21("2","7","2","3","3","7","5","1") = "6"
    & skf21("2","7","2","3","3","7","6","1") = "6"
    & skf21("2","7","2","3","3","7","7","1") = "6"
    & skf21("2","7","2","3","4","1","1","1") = "6"
    & skf21("2","7","2","3","4","1","2","1") = "6"
    & skf21("2","7","2","3","4","1","3","1") = "6"
    & skf21("2","7","2","3","4","1","4","1") = "6"
    & skf21("2","7","2","3","4","1","5","1") = "6"
    & skf21("2","7","2","3","4","1","6","1") = "6"
    & skf21("2","7","2","3","4","1","7","1") = "6"
    & skf21("2","7","2","3","4","2","1","1") = "6"
    & skf21("2","7","2","3","4","2","2","1") = "6"
    & skf21("2","7","2","3","4","2","3","1") = "6"
    & skf21("2","7","2","3","4","2","4","1") = "6"
    & skf21("2","7","2","3","4","2","5","1") = "6"
    & skf21("2","7","2","3","4","2","6","1") = "6"
    & skf21("2","7","2","3","4","2","7","1") = "6"
    & skf21("2","7","2","3","4","3","1","1") = "6"
    & skf21("2","7","2","3","4","3","2","1") = "6"
    & skf21("2","7","2","3","4","3","3","1") = "6"
    & skf21("2","7","2","3","4","3","4","1") = "6"
    & skf21("2","7","2","3","4","3","5","1") = "6"
    & skf21("2","7","2","3","4","3","6","1") = "6"
    & skf21("2","7","2","3","4","3","7","1") = "6"
    & skf21("2","7","2","3","4","4","1","1") = "6"
    & skf21("2","7","2","3","4","4","2","1") = "6"
    & skf21("2","7","2","3","4","4","3","1") = "6"
    & skf21("2","7","2","3","4","4","4","1") = "6"
    & skf21("2","7","2","3","4","4","5","1") = "6"
    & skf21("2","7","2","3","4","4","6","1") = "6"
    & skf21("2","7","2","3","4","4","7","1") = "6"
    & skf21("2","7","2","3","4","5","1","1") = "6"
    & skf21("2","7","2","3","4","5","2","1") = "6"
    & skf21("2","7","2","3","4","5","3","1") = "6"
    & skf21("2","7","2","3","4","5","4","1") = "6"
    & skf21("2","7","2","3","4","5","5","1") = "6"
    & skf21("2","7","2","3","4","5","6","1") = "6"
    & skf21("2","7","2","3","4","5","7","1") = "6"
    & skf21("2","7","2","3","4","6","1","1") = "6"
    & skf21("2","7","2","3","4","6","2","1") = "6"
    & skf21("2","7","2","3","4","6","3","1") = "6"
    & skf21("2","7","2","3","4","6","4","1") = "6"
    & skf21("2","7","2","3","4","6","5","1") = "6"
    & skf21("2","7","2","3","4","6","6","1") = "6"
    & skf21("2","7","2","3","4","6","7","1") = "6"
    & skf21("2","7","2","3","4","7","1","1") = "6"
    & skf21("2","7","2","3","4","7","2","1") = "6"
    & skf21("2","7","2","3","4","7","3","1") = "6"
    & skf21("2","7","2","3","4","7","4","1") = "6"
    & skf21("2","7","2","3","4","7","5","1") = "6"
    & skf21("2","7","2","3","4","7","6","1") = "6"
    & skf21("2","7","2","3","4","7","7","1") = "6"
    & skf21("2","7","2","3","5","1","1","1") = "6"
    & skf21("2","7","2","3","5","1","2","1") = "6"
    & skf21("2","7","2","3","5","1","3","1") = "6"
    & skf21("2","7","2","3","5","1","4","1") = "6"
    & skf21("2","7","2","3","5","1","5","1") = "6"
    & skf21("2","7","2","3","5","1","6","1") = "6"
    & skf21("2","7","2","3","5","1","7","1") = "6"
    & skf21("2","7","2","3","5","2","1","1") = "6"
    & skf21("2","7","2","3","5","2","2","1") = "6"
    & skf21("2","7","2","3","5","2","3","1") = "6"
    & skf21("2","7","2","3","5","2","4","1") = "6"
    & skf21("2","7","2","3","5","2","5","1") = "6"
    & skf21("2","7","2","3","5","2","6","1") = "6"
    & skf21("2","7","2","3","5","2","7","1") = "6"
    & skf21("2","7","2","3","5","3","1","1") = "6"
    & skf21("2","7","2","3","5","3","2","1") = "6"
    & skf21("2","7","2","3","5","3","3","1") = "6"
    & skf21("2","7","2","3","5","3","4","1") = "6"
    & skf21("2","7","2","3","5","3","5","1") = "6"
    & skf21("2","7","2","3","5","3","6","1") = "6"
    & skf21("2","7","2","3","5","3","7","1") = "6"
    & skf21("2","7","2","3","5","4","1","1") = "6"
    & skf21("2","7","2","3","5","4","2","1") = "6"
    & skf21("2","7","2","3","5","4","3","1") = "6"
    & skf21("2","7","2","3","5","4","4","1") = "6"
    & skf21("2","7","2","3","5","4","5","1") = "6"
    & skf21("2","7","2","3","5","4","6","1") = "6"
    & skf21("2","7","2","3","5","4","7","1") = "6"
    & skf21("2","7","2","3","5","5","1","1") = "6"
    & skf21("2","7","2","3","5","5","2","1") = "6"
    & skf21("2","7","2","3","5","5","3","1") = "6"
    & skf21("2","7","2","3","5","5","4","1") = "6"
    & skf21("2","7","2","3","5","5","5","1") = "6"
    & skf21("2","7","2","3","5","5","6","1") = "6"
    & skf21("2","7","2","3","5","5","7","1") = "6"
    & skf21("2","7","2","3","5","6","1","1") = "6"
    & skf21("2","7","2","3","5","6","2","1") = "6"
    & skf21("2","7","2","3","5","6","3","1") = "6"
    & skf21("2","7","2","3","5","6","4","1") = "6"
    & skf21("2","7","2","3","5","6","5","1") = "6"
    & skf21("2","7","2","3","5","6","6","1") = "6"
    & skf21("2","7","2","3","5","6","7","1") = "6"
    & skf21("2","7","2","3","5","7","1","1") = "6"
    & skf21("2","7","2","3","5","7","2","1") = "6"
    & skf21("2","7","2","3","5","7","3","1") = "6"
    & skf21("2","7","2","3","5","7","4","1") = "6"
    & skf21("2","7","2","3","5","7","5","1") = "6"
    & skf21("2","7","2","3","5","7","6","1") = "6"
    & skf21("2","7","2","3","5","7","7","1") = "6"
    & skf21("2","7","2","3","6","1","1","1") = "6"
    & skf21("2","7","2","3","6","1","2","1") = "6"
    & skf21("2","7","2","3","6","1","3","1") = "6"
    & skf21("2","7","2","3","6","1","4","1") = "6"
    & skf21("2","7","2","3","6","1","5","1") = "6"
    & skf21("2","7","2","3","6","1","6","1") = "6"
    & skf21("2","7","2","3","6","1","7","1") = "6"
    & skf21("2","7","2","3","6","2","1","1") = "6"
    & skf21("2","7","2","3","6","2","2","1") = "6"
    & skf21("2","7","2","3","6","2","3","1") = "6"
    & skf21("2","7","2","3","6","2","4","1") = "6"
    & skf21("2","7","2","3","6","2","5","1") = "6"
    & skf21("2","7","2","3","6","2","6","1") = "6"
    & skf21("2","7","2","3","6","2","7","1") = "6"
    & skf21("2","7","2","3","6","3","1","1") = "6"
    & skf21("2","7","2","3","6","3","2","1") = "6"
    & skf21("2","7","2","3","6","3","3","1") = "6"
    & skf21("2","7","2","3","6","3","4","1") = "6"
    & skf21("2","7","2","3","6","3","5","1") = "6"
    & skf21("2","7","2","3","6","3","6","1") = "6"
    & skf21("2","7","2","3","6","3","7","1") = "6"
    & skf21("2","7","2","3","6","4","1","1") = "6"
    & skf21("2","7","2","3","6","4","2","1") = "6"
    & skf21("2","7","2","3","6","4","3","1") = "6"
    & skf21("2","7","2","3","6","4","4","1") = "6"
    & skf21("2","7","2","3","6","4","5","1") = "6"
    & skf21("2","7","2","3","6","4","6","1") = "6"
    & skf21("2","7","2","3","6","4","7","1") = "6"
    & skf21("2","7","2","3","6","5","1","1") = "6"
    & skf21("2","7","2","3","6","5","2","1") = "6"
    & skf21("2","7","2","3","6","5","3","1") = "6"
    & skf21("2","7","2","3","6","5","4","1") = "6"
    & skf21("2","7","2","3","6","5","5","1") = "6"
    & skf21("2","7","2","3","6","5","6","1") = "6"
    & skf21("2","7","2","3","6","5","7","1") = "6"
    & skf21("2","7","2","3","6","6","1","1") = "6"
    & skf21("2","7","2","3","6","6","2","1") = "6"
    & skf21("2","7","2","3","6","6","3","1") = "6"
    & skf21("2","7","2","3","6","6","4","1") = "6"
    & skf21("2","7","2","3","6","6","5","1") = "6"
    & skf21("2","7","2","3","6","6","6","1") = "6"
    & skf21("2","7","2","3","6","6","7","1") = "6"
    & skf21("2","7","2","3","6","7","1","1") = "6"
    & skf21("2","7","2","3","6","7","2","1") = "6"
    & skf21("2","7","2","3","6","7","3","1") = "6"
    & skf21("2","7","2","3","6","7","4","1") = "6"
    & skf21("2","7","2","3","6","7","5","1") = "6"
    & skf21("2","7","2","3","6","7","6","1") = "6"
    & skf21("2","7","2","3","6","7","7","1") = "6"
    & skf21("2","7","2","3","7","1","1","1") = "6"
    & skf21("2","7","2","3","7","1","2","1") = "6"
    & skf21("2","7","2","3","7","1","3","1") = "6"
    & skf21("2","7","2","3","7","1","4","1") = "6"
    & skf21("2","7","2","3","7","1","5","1") = "6"
    & skf21("2","7","2","3","7","1","6","1") = "6"
    & skf21("2","7","2","3","7","1","7","1") = "6"
    & skf21("2","7","2","3","7","2","1","1") = "6"
    & skf21("2","7","2","3","7","2","2","1") = "6"
    & skf21("2","7","2","3","7","2","3","1") = "6"
    & skf21("2","7","2","3","7","2","4","1") = "6"
    & skf21("2","7","2","3","7","2","5","1") = "6"
    & skf21("2","7","2","3","7","2","6","1") = "6"
    & skf21("2","7","2","3","7","2","7","1") = "6"
    & skf21("2","7","2","3","7","3","1","1") = "6"
    & skf21("2","7","2","3","7","3","2","1") = "6"
    & skf21("2","7","2","3","7","3","3","1") = "6"
    & skf21("2","7","2","3","7","3","4","1") = "6"
    & skf21("2","7","2","3","7","3","5","1") = "6"
    & skf21("2","7","2","3","7","3","6","1") = "6"
    & skf21("2","7","2","3","7","3","7","1") = "6"
    & skf21("2","7","2","3","7","4","1","1") = "6"
    & skf21("2","7","2","3","7","4","2","1") = "6"
    & skf21("2","7","2","3","7","4","3","1") = "6"
    & skf21("2","7","2","3","7","4","4","1") = "6"
    & skf21("2","7","2","3","7","4","5","1") = "6"
    & skf21("2","7","2","3","7","4","6","1") = "6"
    & skf21("2","7","2","3","7","4","7","1") = "6"
    & skf21("2","7","2","3","7","5","1","1") = "6"
    & skf21("2","7","2","3","7","5","2","1") = "6"
    & skf21("2","7","2","3","7","5","3","1") = "6"
    & skf21("2","7","2","3","7","5","4","1") = "6"
    & skf21("2","7","2","3","7","5","5","1") = "6"
    & skf21("2","7","2","3","7","5","6","1") = "6"
    & skf21("2","7","2","3","7","5","7","1") = "6"
    & skf21("2","7","2","3","7","6","1","1") = "6"
    & skf21("2","7","2","3","7","6","2","1") = "6"
    & skf21("2","7","2","3","7","6","3","1") = "6"
    & skf21("2","7","2","3","7","6","4","1") = "6"
    & skf21("2","7","2","3","7","6","5","1") = "6"
    & skf21("2","7","2","3","7","6","6","1") = "6"
    & skf21("2","7","2","3","7","6","7","1") = "6"
    & skf21("2","7","2","3","7","7","1","1") = "6"
    & skf21("2","7","2","3","7","7","2","1") = "6"
    & skf21("2","7","2","3","7","7","3","1") = "6"
    & skf21("2","7","2","3","7","7","4","1") = "6"
    & skf21("2","7","2","3","7","7","5","1") = "6"
    & skf21("2","7","2","3","7","7","6","1") = "6"
    & skf21("2","7","2","3","7","7","7","1") = "6"
    & skf21("2","7","2","4","1","1","1","1") = "6"
    & skf21("2","7","2","4","1","1","2","1") = "6"
    & skf21("2","7","2","4","1","1","3","1") = "6"
    & skf21("2","7","2","4","1","1","4","1") = "6"
    & skf21("2","7","2","4","1","1","5","1") = "6"
    & skf21("2","7","2","4","1","1","6","1") = "6"
    & skf21("2","7","2","4","1","1","7","1") = "6"
    & skf21("2","7","2","4","1","2","1","1") = "6"
    & skf21("2","7","2","4","1","2","2","1") = "6"
    & skf21("2","7","2","4","1","2","3","1") = "6"
    & skf21("2","7","2","4","1","2","4","1") = "6"
    & skf21("2","7","2","4","1","2","5","1") = "6"
    & skf21("2","7","2","4","1","2","6","1") = "6"
    & skf21("2","7","2","4","1","2","7","1") = "6"
    & skf21("2","7","2","4","1","3","1","1") = "6"
    & skf21("2","7","2","4","1","3","2","1") = "6"
    & skf21("2","7","2","4","1","3","3","1") = "6"
    & skf21("2","7","2","4","1","3","4","1") = "6"
    & skf21("2","7","2","4","1","3","5","1") = "6"
    & skf21("2","7","2","4","1","3","6","1") = "6"
    & skf21("2","7","2","4","1","3","7","1") = "6"
    & skf21("2","7","2","4","1","4","1","1") = "6"
    & skf21("2","7","2","4","1","4","2","1") = "6"
    & skf21("2","7","2","4","1","4","3","1") = "6"
    & skf21("2","7","2","4","1","4","4","1") = "6"
    & skf21("2","7","2","4","1","4","5","1") = "6"
    & skf21("2","7","2","4","1","4","6","1") = "6"
    & skf21("2","7","2","4","1","4","7","1") = "6"
    & skf21("2","7","2","4","1","5","1","1") = "6"
    & skf21("2","7","2","4","1","5","2","1") = "6"
    & skf21("2","7","2","4","1","5","3","1") = "6"
    & skf21("2","7","2","4","1","5","4","1") = "6"
    & skf21("2","7","2","4","1","5","5","1") = "6"
    & skf21("2","7","2","4","1","5","6","1") = "6"
    & skf21("2","7","2","4","1","5","7","1") = "6"
    & skf21("2","7","2","4","1","6","1","1") = "6"
    & skf21("2","7","2","4","1","6","2","1") = "6"
    & skf21("2","7","2","4","1","6","3","1") = "6"
    & skf21("2","7","2","4","1","6","4","1") = "6"
    & skf21("2","7","2","4","1","6","5","1") = "6"
    & skf21("2","7","2","4","1","6","6","1") = "6"
    & skf21("2","7","2","4","1","6","7","1") = "6"
    & skf21("2","7","2","4","1","7","1","1") = "6"
    & skf21("2","7","2","4","1","7","2","1") = "6"
    & skf21("2","7","2","4","1","7","3","1") = "6"
    & skf21("2","7","2","4","1","7","4","1") = "6"
    & skf21("2","7","2","4","1","7","5","1") = "6"
    & skf21("2","7","2","4","1","7","6","1") = "6"
    & skf21("2","7","2","4","1","7","7","1") = "6"
    & skf21("2","7","2","4","2","1","1","1") = "6"
    & skf21("2","7","2","4","2","1","2","1") = "6"
    & skf21("2","7","2","4","2","1","3","1") = "6"
    & skf21("2","7","2","4","2","1","4","1") = "6"
    & skf21("2","7","2","4","2","1","5","1") = "6"
    & skf21("2","7","2","4","2","1","6","1") = "6"
    & skf21("2","7","2","4","2","1","7","1") = "6"
    & skf21("2","7","2","4","2","2","1","1") = "6"
    & skf21("2","7","2","4","2","2","2","1") = "6"
    & skf21("2","7","2","4","2","2","3","1") = "6"
    & skf21("2","7","2","4","2","2","4","1") = "6"
    & skf21("2","7","2","4","2","2","5","1") = "6"
    & skf21("2","7","2","4","2","2","6","1") = "6"
    & skf21("2","7","2","4","2","2","7","1") = "6"
    & skf21("2","7","2","4","2","3","1","1") = "6"
    & skf21("2","7","2","4","2","3","2","1") = "6"
    & skf21("2","7","2","4","2","3","3","1") = "6"
    & skf21("2","7","2","4","2","3","4","1") = "6"
    & skf21("2","7","2","4","2","3","5","1") = "6"
    & skf21("2","7","2","4","2","3","6","1") = "6"
    & skf21("2","7","2","4","2","3","7","1") = "6"
    & skf21("2","7","2","4","2","4","1","1") = "6"
    & skf21("2","7","2","4","2","4","2","1") = "6"
    & skf21("2","7","2","4","2","4","3","1") = "6"
    & skf21("2","7","2","4","2","4","4","1") = "6"
    & skf21("2","7","2","4","2","4","5","1") = "6"
    & skf21("2","7","2","4","2","4","6","1") = "6"
    & skf21("2","7","2","4","2","4","7","1") = "6"
    & skf21("2","7","2","4","2","5","1","1") = "6"
    & skf21("2","7","2","4","2","5","2","1") = "6"
    & skf21("2","7","2","4","2","5","3","1") = "6"
    & skf21("2","7","2","4","2","5","4","1") = "6"
    & skf21("2","7","2","4","2","5","5","1") = "6"
    & skf21("2","7","2","4","2","5","6","1") = "6"
    & skf21("2","7","2","4","2","5","7","1") = "6"
    & skf21("2","7","2","4","2","6","1","1") = "6"
    & skf21("2","7","2","4","2","6","2","1") = "6"
    & skf21("2","7","2","4","2","6","3","1") = "6"
    & skf21("2","7","2","4","2","6","4","1") = "6"
    & skf21("2","7","2","4","2","6","5","1") = "6"
    & skf21("2","7","2","4","2","6","6","1") = "6"
    & skf21("2","7","2","4","2","6","7","1") = "6"
    & skf21("2","7","2","4","2","7","1","1") = "6"
    & skf21("2","7","2","4","2","7","2","1") = "6"
    & skf21("2","7","2","4","2","7","3","1") = "6"
    & skf21("2","7","2","4","2","7","4","1") = "6"
    & skf21("2","7","2","4","2","7","5","1") = "6"
    & skf21("2","7","2","4","2","7","6","1") = "6"
    & skf21("2","7","2","4","2","7","7","1") = "6"
    & skf21("2","7","2","4","3","1","1","1") = "6"
    & skf21("2","7","2","4","3","1","2","1") = "6"
    & skf21("2","7","2","4","3","1","3","1") = "6"
    & skf21("2","7","2","4","3","1","4","1") = "6"
    & skf21("2","7","2","4","3","1","5","1") = "6"
    & skf21("2","7","2","4","3","1","6","1") = "6"
    & skf21("2","7","2","4","3","1","7","1") = "6"
    & skf21("2","7","2","4","3","2","1","1") = "6"
    & skf21("2","7","2","4","3","2","2","1") = "6"
    & skf21("2","7","2","4","3","2","3","1") = "6"
    & skf21("2","7","2","4","3","2","4","1") = "6"
    & skf21("2","7","2","4","3","2","5","1") = "6"
    & skf21("2","7","2","4","3","2","6","1") = "6"
    & skf21("2","7","2","4","3","2","7","1") = "6"
    & skf21("2","7","2","4","3","3","1","1") = "6"
    & skf21("2","7","2","4","3","3","2","1") = "6"
    & skf21("2","7","2","4","3","3","3","1") = "6"
    & skf21("2","7","2","4","3","3","4","1") = "6"
    & skf21("2","7","2","4","3","3","5","1") = "6"
    & skf21("2","7","2","4","3","3","6","1") = "6"
    & skf21("2","7","2","4","3","3","7","1") = "6"
    & skf21("2","7","2","4","3","4","1","1") = "6"
    & skf21("2","7","2","4","3","4","2","1") = "6"
    & skf21("2","7","2","4","3","4","3","1") = "6"
    & skf21("2","7","2","4","3","4","4","1") = "6"
    & skf21("2","7","2","4","3","4","5","1") = "6"
    & skf21("2","7","2","4","3","4","6","1") = "6"
    & skf21("2","7","2","4","3","4","7","1") = "6"
    & skf21("2","7","2","4","3","5","1","1") = "6"
    & skf21("2","7","2","4","3","5","2","1") = "6"
    & skf21("2","7","2","4","3","5","3","1") = "6"
    & skf21("2","7","2","4","3","5","4","1") = "6"
    & skf21("2","7","2","4","3","5","5","1") = "6"
    & skf21("2","7","2","4","3","5","6","1") = "6"
    & skf21("2","7","2","4","3","5","7","1") = "6"
    & skf21("2","7","2","4","3","6","1","1") = "6"
    & skf21("2","7","2","4","3","6","2","1") = "6"
    & skf21("2","7","2","4","3","6","3","1") = "6"
    & skf21("2","7","2","4","3","6","4","1") = "6"
    & skf21("2","7","2","4","3","6","5","1") = "6"
    & skf21("2","7","2","4","3","6","6","1") = "6"
    & skf21("2","7","2","4","3","6","7","1") = "6"
    & skf21("2","7","2","4","3","7","1","1") = "6"
    & skf21("2","7","2","4","3","7","2","1") = "6"
    & skf21("2","7","2","4","3","7","3","1") = "6"
    & skf21("2","7","2","4","3","7","4","1") = "6"
    & skf21("2","7","2","4","3","7","5","1") = "6"
    & skf21("2","7","2","4","3","7","6","1") = "6"
    & skf21("2","7","2","4","3","7","7","1") = "6"
    & skf21("2","7","2","4","4","1","1","1") = "6"
    & skf21("2","7","2","4","4","1","2","1") = "6"
    & skf21("2","7","2","4","4","1","3","1") = "6"
    & skf21("2","7","2","4","4","1","4","1") = "6"
    & skf21("2","7","2","4","4","1","5","1") = "6"
    & skf21("2","7","2","4","4","1","6","1") = "6"
    & skf21("2","7","2","4","4","1","7","1") = "6"
    & skf21("2","7","2","4","4","2","1","1") = "6"
    & skf21("2","7","2","4","4","2","2","1") = "6"
    & skf21("2","7","2","4","4","2","3","1") = "6"
    & skf21("2","7","2","4","4","2","4","1") = "6"
    & skf21("2","7","2","4","4","2","5","1") = "6"
    & skf21("2","7","2","4","4","2","6","1") = "6"
    & skf21("2","7","2","4","4","2","7","1") = "6"
    & skf21("2","7","2","4","4","3","1","1") = "6"
    & skf21("2","7","2","4","4","3","2","1") = "6"
    & skf21("2","7","2","4","4","3","3","1") = "6"
    & skf21("2","7","2","4","4","3","4","1") = "6"
    & skf21("2","7","2","4","4","3","5","1") = "6"
    & skf21("2","7","2","4","4","3","6","1") = "6"
    & skf21("2","7","2","4","4","3","7","1") = "6"
    & skf21("2","7","2","4","4","4","1","1") = "6"
    & skf21("2","7","2","4","4","4","2","1") = "6"
    & skf21("2","7","2","4","4","4","3","1") = "6"
    & skf21("2","7","2","4","4","4","4","1") = "6"
    & skf21("2","7","2","4","4","4","5","1") = "6"
    & skf21("2","7","2","4","4","4","6","1") = "6"
    & skf21("2","7","2","4","4","4","7","1") = "6"
    & skf21("2","7","2","4","4","5","1","1") = "6"
    & skf21("2","7","2","4","4","5","2","1") = "6"
    & skf21("2","7","2","4","4","5","3","1") = "6"
    & skf21("2","7","2","4","4","5","4","1") = "6"
    & skf21("2","7","2","4","4","5","5","1") = "6"
    & skf21("2","7","2","4","4","5","6","1") = "6"
    & skf21("2","7","2","4","4","5","7","1") = "6"
    & skf21("2","7","2","4","4","6","1","1") = "6"
    & skf21("2","7","2","4","4","6","2","1") = "6"
    & skf21("2","7","2","4","4","6","3","1") = "6"
    & skf21("2","7","2","4","4","6","4","1") = "6"
    & skf21("2","7","2","4","4","6","5","1") = "6"
    & skf21("2","7","2","4","4","6","6","1") = "6"
    & skf21("2","7","2","4","4","6","7","1") = "6"
    & skf21("2","7","2","4","4","7","1","1") = "6"
    & skf21("2","7","2","4","4","7","2","1") = "6"
    & skf21("2","7","2","4","4","7","3","1") = "6"
    & skf21("2","7","2","4","4","7","4","1") = "6"
    & skf21("2","7","2","4","4","7","5","1") = "6"
    & skf21("2","7","2","4","4","7","6","1") = "6"
    & skf21("2","7","2","4","4","7","7","1") = "6"
    & skf21("2","7","2","4","5","1","1","1") = "6"
    & skf21("2","7","2","4","5","1","2","1") = "6"
    & skf21("2","7","2","4","5","1","3","1") = "6"
    & skf21("2","7","2","4","5","1","4","1") = "6"
    & skf21("2","7","2","4","5","1","5","1") = "6"
    & skf21("2","7","2","4","5","1","6","1") = "6"
    & skf21("2","7","2","4","5","1","7","1") = "6"
    & skf21("2","7","2","4","5","2","1","1") = "6"
    & skf21("2","7","2","4","5","2","2","1") = "6"
    & skf21("2","7","2","4","5","2","3","1") = "6"
    & skf21("2","7","2","4","5","2","4","1") = "6"
    & skf21("2","7","2","4","5","2","5","1") = "6"
    & skf21("2","7","2","4","5","2","6","1") = "6"
    & skf21("2","7","2","4","5","2","7","1") = "6"
    & skf21("2","7","2","4","5","3","1","1") = "6"
    & skf21("2","7","2","4","5","3","2","1") = "6"
    & skf21("2","7","2","4","5","3","3","1") = "6"
    & skf21("2","7","2","4","5","3","4","1") = "6"
    & skf21("2","7","2","4","5","3","5","1") = "6"
    & skf21("2","7","2","4","5","3","6","1") = "6"
    & skf21("2","7","2","4","5","3","7","1") = "6"
    & skf21("2","7","2","4","5","4","1","1") = "6"
    & skf21("2","7","2","4","5","4","2","1") = "6"
    & skf21("2","7","2","4","5","4","3","1") = "6"
    & skf21("2","7","2","4","5","4","4","1") = "6"
    & skf21("2","7","2","4","5","4","5","1") = "6"
    & skf21("2","7","2","4","5","4","6","1") = "6"
    & skf21("2","7","2","4","5","4","7","1") = "6"
    & skf21("2","7","2","4","5","5","1","1") = "6"
    & skf21("2","7","2","4","5","5","2","1") = "6"
    & skf21("2","7","2","4","5","5","3","1") = "6"
    & skf21("2","7","2","4","5","5","4","1") = "6"
    & skf21("2","7","2","4","5","5","5","1") = "6"
    & skf21("2","7","2","4","5","5","6","1") = "6"
    & skf21("2","7","2","4","5","5","7","1") = "6"
    & skf21("2","7","2","4","5","6","1","1") = "6"
    & skf21("2","7","2","4","5","6","2","1") = "6"
    & skf21("2","7","2","4","5","6","3","1") = "6"
    & skf21("2","7","2","4","5","6","4","1") = "6"
    & skf21("2","7","2","4","5","6","5","1") = "6"
    & skf21("2","7","2","4","5","6","6","1") = "6"
    & skf21("2","7","2","4","5","6","7","1") = "6"
    & skf21("2","7","2","4","5","7","1","1") = "6"
    & skf21("2","7","2","4","5","7","2","1") = "6"
    & skf21("2","7","2","4","5","7","3","1") = "6"
    & skf21("2","7","2","4","5","7","4","1") = "6"
    & skf21("2","7","2","4","5","7","5","1") = "6"
    & skf21("2","7","2","4","5","7","6","1") = "6"
    & skf21("2","7","2","4","5","7","7","1") = "6"
    & skf21("2","7","2","4","6","1","1","1") = "6"
    & skf21("2","7","2","4","6","1","2","1") = "6"
    & skf21("2","7","2","4","6","1","3","1") = "6"
    & skf21("2","7","2","4","6","1","4","1") = "6"
    & skf21("2","7","2","4","6","1","5","1") = "6"
    & skf21("2","7","2","4","6","1","6","1") = "6"
    & skf21("2","7","2","4","6","1","7","1") = "6"
    & skf21("2","7","2","4","6","2","1","1") = "6"
    & skf21("2","7","2","4","6","2","2","1") = "6"
    & skf21("2","7","2","4","6","2","3","1") = "6"
    & skf21("2","7","2","4","6","2","4","1") = "6"
    & skf21("2","7","2","4","6","2","5","1") = "6"
    & skf21("2","7","2","4","6","2","6","1") = "6"
    & skf21("2","7","2","4","6","2","7","1") = "6"
    & skf21("2","7","2","4","6","3","1","1") = "6"
    & skf21("2","7","2","4","6","3","2","1") = "6"
    & skf21("2","7","2","4","6","3","3","1") = "6"
    & skf21("2","7","2","4","6","3","4","1") = "6"
    & skf21("2","7","2","4","6","3","5","1") = "6"
    & skf21("2","7","2","4","6","3","6","1") = "6"
    & skf21("2","7","2","4","6","3","7","1") = "6"
    & skf21("2","7","2","4","6","4","1","1") = "6"
    & skf21("2","7","2","4","6","4","2","1") = "6"
    & skf21("2","7","2","4","6","4","3","1") = "6"
    & skf21("2","7","2","4","6","4","4","1") = "6"
    & skf21("2","7","2","4","6","4","5","1") = "6"
    & skf21("2","7","2","4","6","4","6","1") = "6"
    & skf21("2","7","2","4","6","4","7","1") = "6"
    & skf21("2","7","2","4","6","5","1","1") = "6"
    & skf21("2","7","2","4","6","5","2","1") = "6"
    & skf21("2","7","2","4","6","5","3","1") = "6"
    & skf21("2","7","2","4","6","5","4","1") = "6"
    & skf21("2","7","2","4","6","5","5","1") = "6"
    & skf21("2","7","2","4","6","5","6","1") = "6"
    & skf21("2","7","2","4","6","5","7","1") = "6"
    & skf21("2","7","2","4","6","6","1","1") = "6"
    & skf21("2","7","2","4","6","6","2","1") = "6"
    & skf21("2","7","2","4","6","6","3","1") = "6"
    & skf21("2","7","2","4","6","6","4","1") = "6"
    & skf21("2","7","2","4","6","6","5","1") = "6"
    & skf21("2","7","2","4","6","6","6","1") = "6"
    & skf21("2","7","2","4","6","6","7","1") = "6"
    & skf21("2","7","2","4","6","7","1","1") = "6"
    & skf21("2","7","2","4","6","7","2","1") = "6"
    & skf21("2","7","2","4","6","7","3","1") = "6"
    & skf21("2","7","2","4","6","7","4","1") = "6"
    & skf21("2","7","2","4","6","7","5","1") = "6"
    & skf21("2","7","2","4","6","7","6","1") = "6"
    & skf21("2","7","2","4","6","7","7","1") = "6"
    & skf21("2","7","2","4","7","1","1","1") = "6"
    & skf21("2","7","2","4","7","1","2","1") = "6"
    & skf21("2","7","2","4","7","1","3","1") = "6"
    & skf21("2","7","2","4","7","1","4","1") = "6"
    & skf21("2","7","2","4","7","1","5","1") = "6"
    & skf21("2","7","2","4","7","1","6","1") = "6"
    & skf21("2","7","2","4","7","1","7","1") = "6"
    & skf21("2","7","2","4","7","2","1","1") = "6"
    & skf21("2","7","2","4","7","2","2","1") = "6"
    & skf21("2","7","2","4","7","2","3","1") = "6"
    & skf21("2","7","2","4","7","2","4","1") = "6"
    & skf21("2","7","2","4","7","2","5","1") = "6"
    & skf21("2","7","2","4","7","2","6","1") = "6"
    & skf21("2","7","2","4","7","2","7","1") = "6"
    & skf21("2","7","2","4","7","3","1","1") = "6"
    & skf21("2","7","2","4","7","3","2","1") = "6"
    & skf21("2","7","2","4","7","3","3","1") = "6"
    & skf21("2","7","2","4","7","3","4","1") = "6"
    & skf21("2","7","2","4","7","3","5","1") = "6"
    & skf21("2","7","2","4","7","3","6","1") = "6"
    & skf21("2","7","2","4","7","3","7","1") = "6"
    & skf21("2","7","2","4","7","4","1","1") = "6"
    & skf21("2","7","2","4","7","4","2","1") = "6"
    & skf21("2","7","2","4","7","4","3","1") = "6"
    & skf21("2","7","2","4","7","4","4","1") = "6"
    & skf21("2","7","2","4","7","4","5","1") = "6"
    & skf21("2","7","2","4","7","4","6","1") = "6"
    & skf21("2","7","2","4","7","4","7","1") = "6"
    & skf21("2","7","2","4","7","5","1","1") = "6"
    & skf21("2","7","2","4","7","5","2","1") = "6"
    & skf21("2","7","2","4","7","5","3","1") = "6"
    & skf21("2","7","2","4","7","5","4","1") = "6"
    & skf21("2","7","2","4","7","5","5","1") = "6"
    & skf21("2","7","2","4","7","5","6","1") = "6"
    & skf21("2","7","2","4","7","5","7","1") = "6"
    & skf21("2","7","2","4","7","6","1","1") = "6"
    & skf21("2","7","2","4","7","6","2","1") = "6"
    & skf21("2","7","2","4","7","6","3","1") = "6"
    & skf21("2","7","2","4","7","6","4","1") = "6"
    & skf21("2","7","2","4","7","6","5","1") = "6"
    & skf21("2","7","2","4","7","6","6","1") = "6"
    & skf21("2","7","2","4","7","6","7","1") = "6"
    & skf21("2","7","2","4","7","7","1","1") = "6"
    & skf21("2","7","2","4","7","7","2","1") = "6"
    & skf21("2","7","2","4","7","7","3","1") = "6"
    & skf21("2","7","2","4","7","7","4","1") = "6"
    & skf21("2","7","2","4","7","7","5","1") = "6"
    & skf21("2","7","2","4","7","7","6","1") = "6"
    & skf21("2","7","2","4","7","7","7","1") = "6"
    & skf21("2","7","2","5","1","1","1","1") = "6"
    & skf21("2","7","2","5","1","1","2","1") = "6"
    & skf21("2","7","2","5","1","1","3","1") = "6"
    & skf21("2","7","2","5","1","1","4","1") = "6"
    & skf21("2","7","2","5","1","1","5","1") = "6"
    & skf21("2","7","2","5","1","1","6","1") = "6"
    & skf21("2","7","2","5","1","1","7","1") = "6"
    & skf21("2","7","2","5","1","2","1","1") = "6"
    & skf21("2","7","2","5","1","2","2","1") = "6"
    & skf21("2","7","2","5","1","2","3","1") = "6"
    & skf21("2","7","2","5","1","2","4","1") = "6"
    & skf21("2","7","2","5","1","2","5","1") = "6"
    & skf21("2","7","2","5","1","2","6","1") = "6"
    & skf21("2","7","2","5","1","2","7","1") = "6"
    & skf21("2","7","2","5","1","3","1","1") = "6"
    & skf21("2","7","2","5","1","3","2","1") = "6"
    & skf21("2","7","2","5","1","3","3","1") = "6"
    & skf21("2","7","2","5","1","3","4","1") = "6"
    & skf21("2","7","2","5","1","3","5","1") = "6"
    & skf21("2","7","2","5","1","3","6","1") = "6"
    & skf21("2","7","2","5","1","3","7","1") = "6"
    & skf21("2","7","2","5","1","4","1","1") = "6"
    & skf21("2","7","2","5","1","4","2","1") = "6"
    & skf21("2","7","2","5","1","4","3","1") = "6"
    & skf21("2","7","2","5","1","4","4","1") = "6"
    & skf21("2","7","2","5","1","4","5","1") = "6"
    & skf21("2","7","2","5","1","4","6","1") = "6"
    & skf21("2","7","2","5","1","4","7","1") = "6"
    & skf21("2","7","2","5","1","5","1","1") = "6"
    & skf21("2","7","2","5","1","5","2","1") = "6"
    & skf21("2","7","2","5","1","5","3","1") = "6"
    & skf21("2","7","2","5","1","5","4","1") = "6"
    & skf21("2","7","2","5","1","5","5","1") = "6"
    & skf21("2","7","2","5","1","5","6","1") = "6"
    & skf21("2","7","2","5","1","5","7","1") = "6"
    & skf21("2","7","2","5","1","6","1","1") = "6"
    & skf21("2","7","2","5","1","6","2","1") = "6"
    & skf21("2","7","2","5","1","6","3","1") = "6"
    & skf21("2","7","2","5","1","6","4","1") = "6"
    & skf21("2","7","2","5","1","6","5","1") = "6"
    & skf21("2","7","2","5","1","6","6","1") = "6"
    & skf21("2","7","2","5","1","6","7","1") = "6"
    & skf21("2","7","2","5","1","7","1","1") = "6"
    & skf21("2","7","2","5","1","7","2","1") = "6"
    & skf21("2","7","2","5","1","7","3","1") = "6"
    & skf21("2","7","2","5","1","7","4","1") = "6"
    & skf21("2","7","2","5","1","7","5","1") = "6"
    & skf21("2","7","2","5","1","7","6","1") = "6"
    & skf21("2","7","2","5","1","7","7","1") = "6"
    & skf21("2","7","2","5","2","1","1","1") = "6"
    & skf21("2","7","2","5","2","1","2","1") = "6"
    & skf21("2","7","2","5","2","1","3","1") = "6"
    & skf21("2","7","2","5","2","1","4","1") = "6"
    & skf21("2","7","2","5","2","1","5","1") = "6"
    & skf21("2","7","2","5","2","1","6","1") = "6"
    & skf21("2","7","2","5","2","1","7","1") = "6"
    & skf21("2","7","2","5","2","2","1","1") = "6"
    & skf21("2","7","2","5","2","2","2","1") = "6"
    & skf21("2","7","2","5","2","2","3","1") = "6"
    & skf21("2","7","2","5","2","2","4","1") = "6"
    & skf21("2","7","2","5","2","2","5","1") = "6"
    & skf21("2","7","2","5","2","2","6","1") = "6"
    & skf21("2","7","2","5","2","2","7","1") = "6"
    & skf21("2","7","2","5","2","3","1","1") = "6"
    & skf21("2","7","2","5","2","3","2","1") = "6"
    & skf21("2","7","2","5","2","3","3","1") = "6"
    & skf21("2","7","2","5","2","3","4","1") = "6"
    & skf21("2","7","2","5","2","3","5","1") = "6"
    & skf21("2","7","2","5","2","3","6","1") = "6"
    & skf21("2","7","2","5","2","3","7","1") = "6"
    & skf21("2","7","2","5","2","4","1","1") = "6"
    & skf21("2","7","2","5","2","4","2","1") = "6"
    & skf21("2","7","2","5","2","4","3","1") = "6"
    & skf21("2","7","2","5","2","4","4","1") = "6"
    & skf21("2","7","2","5","2","4","5","1") = "6"
    & skf21("2","7","2","5","2","4","6","1") = "6"
    & skf21("2","7","2","5","2","4","7","1") = "6"
    & skf21("2","7","2","5","2","5","1","1") = "6"
    & skf21("2","7","2","5","2","5","2","1") = "6"
    & skf21("2","7","2","5","2","5","3","1") = "6"
    & skf21("2","7","2","5","2","5","4","1") = "6"
    & skf21("2","7","2","5","2","5","5","1") = "6"
    & skf21("2","7","2","5","2","5","6","1") = "6"
    & skf21("2","7","2","5","2","5","7","1") = "6"
    & skf21("2","7","2","5","2","6","1","1") = "6"
    & skf21("2","7","2","5","2","6","2","1") = "6"
    & skf21("2","7","2","5","2","6","3","1") = "6"
    & skf21("2","7","2","5","2","6","4","1") = "6"
    & skf21("2","7","2","5","2","6","5","1") = "6"
    & skf21("2","7","2","5","2","6","6","1") = "6"
    & skf21("2","7","2","5","2","6","7","1") = "6"
    & skf21("2","7","2","5","2","7","1","1") = "6"
    & skf21("2","7","2","5","2","7","2","1") = "6"
    & skf21("2","7","2","5","2","7","3","1") = "6"
    & skf21("2","7","2","5","2","7","4","1") = "6"
    & skf21("2","7","2","5","2","7","5","1") = "6"
    & skf21("2","7","2","5","2","7","6","1") = "6"
    & skf21("2","7","2","5","2","7","7","1") = "6"
    & skf21("2","7","2","5","3","1","1","1") = "6"
    & skf21("2","7","2","5","3","1","2","1") = "6"
    & skf21("2","7","2","5","3","1","3","1") = "6"
    & skf21("2","7","2","5","3","1","4","1") = "6"
    & skf21("2","7","2","5","3","1","5","1") = "6"
    & skf21("2","7","2","5","3","1","6","1") = "6"
    & skf21("2","7","2","5","3","1","7","1") = "6"
    & skf21("2","7","2","5","3","2","1","1") = "6"
    & skf21("2","7","2","5","3","2","2","1") = "6"
    & skf21("2","7","2","5","3","2","3","1") = "6"
    & skf21("2","7","2","5","3","2","4","1") = "6"
    & skf21("2","7","2","5","3","2","5","1") = "6"
    & skf21("2","7","2","5","3","2","6","1") = "6"
    & skf21("2","7","2","5","3","2","7","1") = "6"
    & skf21("2","7","2","5","3","3","1","1") = "6"
    & skf21("2","7","2","5","3","3","2","1") = "6"
    & skf21("2","7","2","5","3","3","3","1") = "6"
    & skf21("2","7","2","5","3","3","4","1") = "6"
    & skf21("2","7","2","5","3","3","5","1") = "6"
    & skf21("2","7","2","5","3","3","6","1") = "6"
    & skf21("2","7","2","5","3","3","7","1") = "6"
    & skf21("2","7","2","5","3","4","1","1") = "6"
    & skf21("2","7","2","5","3","4","2","1") = "6"
    & skf21("2","7","2","5","3","4","3","1") = "6"
    & skf21("2","7","2","5","3","4","4","1") = "6"
    & skf21("2","7","2","5","3","4","5","1") = "6"
    & skf21("2","7","2","5","3","4","6","1") = "6"
    & skf21("2","7","2","5","3","4","7","1") = "6"
    & skf21("2","7","2","5","3","5","1","1") = "6"
    & skf21("2","7","2","5","3","5","2","1") = "6"
    & skf21("2","7","2","5","3","5","3","1") = "6"
    & skf21("2","7","2","5","3","5","4","1") = "6"
    & skf21("2","7","2","5","3","5","5","1") = "6"
    & skf21("2","7","2","5","3","5","6","1") = "6"
    & skf21("2","7","2","5","3","5","7","1") = "6"
    & skf21("2","7","2","5","3","6","1","1") = "6"
    & skf21("2","7","2","5","3","6","2","1") = "6"
    & skf21("2","7","2","5","3","6","3","1") = "6"
    & skf21("2","7","2","5","3","6","4","1") = "6"
    & skf21("2","7","2","5","3","6","5","1") = "6"
    & skf21("2","7","2","5","3","6","6","1") = "6"
    & skf21("2","7","2","5","3","6","7","1") = "6"
    & skf21("2","7","2","5","3","7","1","1") = "6"
    & skf21("2","7","2","5","3","7","2","1") = "6"
    & skf21("2","7","2","5","3","7","3","1") = "6"
    & skf21("2","7","2","5","3","7","4","1") = "6"
    & skf21("2","7","2","5","3","7","5","1") = "6"
    & skf21("2","7","2","5","3","7","6","1") = "6"
    & skf21("2","7","2","5","3","7","7","1") = "6"
    & skf21("2","7","2","5","4","1","1","1") = "6"
    & skf21("2","7","2","5","4","1","2","1") = "6"
    & skf21("2","7","2","5","4","1","3","1") = "6"
    & skf21("2","7","2","5","4","1","4","1") = "6"
    & skf21("2","7","2","5","4","1","5","1") = "6"
    & skf21("2","7","2","5","4","1","6","1") = "6"
    & skf21("2","7","2","5","4","1","7","1") = "6"
    & skf21("2","7","2","5","4","2","1","1") = "6"
    & skf21("2","7","2","5","4","2","2","1") = "6"
    & skf21("2","7","2","5","4","2","3","1") = "6"
    & skf21("2","7","2","5","4","2","4","1") = "6"
    & skf21("2","7","2","5","4","2","5","1") = "6"
    & skf21("2","7","2","5","4","2","6","1") = "6"
    & skf21("2","7","2","5","4","2","7","1") = "6"
    & skf21("2","7","2","5","4","3","1","1") = "6"
    & skf21("2","7","2","5","4","3","2","1") = "6"
    & skf21("2","7","2","5","4","3","3","1") = "6"
    & skf21("2","7","2","5","4","3","4","1") = "6"
    & skf21("2","7","2","5","4","3","5","1") = "6"
    & skf21("2","7","2","5","4","3","6","1") = "6"
    & skf21("2","7","2","5","4","3","7","1") = "6"
    & skf21("2","7","2","5","4","4","1","1") = "6"
    & skf21("2","7","2","5","4","4","2","1") = "6"
    & skf21("2","7","2","5","4","4","3","1") = "6"
    & skf21("2","7","2","5","4","4","4","1") = "6"
    & skf21("2","7","2","5","4","4","5","1") = "6"
    & skf21("2","7","2","5","4","4","6","1") = "6"
    & skf21("2","7","2","5","4","4","7","1") = "6"
    & skf21("2","7","2","5","4","5","1","1") = "6"
    & skf21("2","7","2","5","4","5","2","1") = "6"
    & skf21("2","7","2","5","4","5","3","1") = "6"
    & skf21("2","7","2","5","4","5","4","1") = "6"
    & skf21("2","7","2","5","4","5","5","1") = "6"
    & skf21("2","7","2","5","4","5","6","1") = "6"
    & skf21("2","7","2","5","4","5","7","1") = "6"
    & skf21("2","7","2","5","4","6","1","1") = "6"
    & skf21("2","7","2","5","4","6","2","1") = "6"
    & skf21("2","7","2","5","4","6","3","1") = "6"
    & skf21("2","7","2","5","4","6","4","1") = "6"
    & skf21("2","7","2","5","4","6","5","1") = "6"
    & skf21("2","7","2","5","4","6","6","1") = "6"
    & skf21("2","7","2","5","4","6","7","1") = "6"
    & skf21("2","7","2","5","4","7","1","1") = "6"
    & skf21("2","7","2","5","4","7","2","1") = "6"
    & skf21("2","7","2","5","4","7","3","1") = "6"
    & skf21("2","7","2","5","4","7","4","1") = "6"
    & skf21("2","7","2","5","4","7","5","1") = "6"
    & skf21("2","7","2","5","4","7","6","1") = "6"
    & skf21("2","7","2","5","4","7","7","1") = "6"
    & skf21("2","7","2","5","5","1","1","1") = "6"
    & skf21("2","7","2","5","5","1","2","1") = "6"
    & skf21("2","7","2","5","5","1","3","1") = "6"
    & skf21("2","7","2","5","5","1","4","1") = "6"
    & skf21("2","7","2","5","5","1","5","1") = "6"
    & skf21("2","7","2","5","5","1","6","1") = "6"
    & skf21("2","7","2","5","5","1","7","1") = "6"
    & skf21("2","7","2","5","5","2","1","1") = "6"
    & skf21("2","7","2","5","5","2","2","1") = "6"
    & skf21("2","7","2","5","5","2","3","1") = "6"
    & skf21("2","7","2","5","5","2","4","1") = "6"
    & skf21("2","7","2","5","5","2","5","1") = "6"
    & skf21("2","7","2","5","5","2","6","1") = "6"
    & skf21("2","7","2","5","5","2","7","1") = "6"
    & skf21("2","7","2","5","5","3","1","1") = "6"
    & skf21("2","7","2","5","5","3","2","1") = "6"
    & skf21("2","7","2","5","5","3","3","1") = "6"
    & skf21("2","7","2","5","5","3","4","1") = "6"
    & skf21("2","7","2","5","5","3","5","1") = "6"
    & skf21("2","7","2","5","5","3","6","1") = "6"
    & skf21("2","7","2","5","5","3","7","1") = "6"
    & skf21("2","7","2","5","5","4","1","1") = "6"
    & skf21("2","7","2","5","5","4","2","1") = "6"
    & skf21("2","7","2","5","5","4","3","1") = "6"
    & skf21("2","7","2","5","5","4","4","1") = "6"
    & skf21("2","7","2","5","5","4","5","1") = "6"
    & skf21("2","7","2","5","5","4","6","1") = "6"
    & skf21("2","7","2","5","5","4","7","1") = "6"
    & skf21("2","7","2","5","5","5","1","1") = "6"
    & skf21("2","7","2","5","5","5","2","1") = "6"
    & skf21("2","7","2","5","5","5","3","1") = "6"
    & skf21("2","7","2","5","5","5","4","1") = "6"
    & skf21("2","7","2","5","5","5","5","1") = "6"
    & skf21("2","7","2","5","5","5","6","1") = "6"
    & skf21("2","7","2","5","5","5","7","1") = "6"
    & skf21("2","7","2","5","5","6","1","1") = "6"
    & skf21("2","7","2","5","5","6","2","1") = "6"
    & skf21("2","7","2","5","5","6","3","1") = "6"
    & skf21("2","7","2","5","5","6","4","1") = "6"
    & skf21("2","7","2","5","5","6","5","1") = "6"
    & skf21("2","7","2","5","5","6","6","1") = "6"
    & skf21("2","7","2","5","5","6","7","1") = "6"
    & skf21("2","7","2","5","5","7","1","1") = "6"
    & skf21("2","7","2","5","5","7","2","1") = "6"
    & skf21("2","7","2","5","5","7","3","1") = "6"
    & skf21("2","7","2","5","5","7","4","1") = "6"
    & skf21("2","7","2","5","5","7","5","1") = "6"
    & skf21("2","7","2","5","5","7","6","1") = "6"
    & skf21("2","7","2","5","5","7","7","1") = "6"
    & skf21("2","7","2","5","6","1","1","1") = "6"
    & skf21("2","7","2","5","6","1","2","1") = "6"
    & skf21("2","7","2","5","6","1","3","1") = "6"
    & skf21("2","7","2","5","6","1","4","1") = "6"
    & skf21("2","7","2","5","6","1","5","1") = "6"
    & skf21("2","7","2","5","6","1","6","1") = "6"
    & skf21("2","7","2","5","6","1","7","1") = "6"
    & skf21("2","7","2","5","6","2","1","1") = "6"
    & skf21("2","7","2","5","6","2","2","1") = "6"
    & skf21("2","7","2","5","6","2","3","1") = "6"
    & skf21("2","7","2","5","6","2","4","1") = "6"
    & skf21("2","7","2","5","6","2","5","1") = "6"
    & skf21("2","7","2","5","6","2","6","1") = "6"
    & skf21("2","7","2","5","6","2","7","1") = "6"
    & skf21("2","7","2","5","6","3","1","1") = "6"
    & skf21("2","7","2","5","6","3","2","1") = "6"
    & skf21("2","7","2","5","6","3","3","1") = "6"
    & skf21("2","7","2","5","6","3","4","1") = "6"
    & skf21("2","7","2","5","6","3","5","1") = "6"
    & skf21("2","7","2","5","6","3","6","1") = "6"
    & skf21("2","7","2","5","6","3","7","1") = "6"
    & skf21("2","7","2","5","6","4","1","1") = "6"
    & skf21("2","7","2","5","6","4","2","1") = "6"
    & skf21("2","7","2","5","6","4","3","1") = "6"
    & skf21("2","7","2","5","6","4","4","1") = "6"
    & skf21("2","7","2","5","6","4","5","1") = "6"
    & skf21("2","7","2","5","6","4","6","1") = "6"
    & skf21("2","7","2","5","6","4","7","1") = "6"
    & skf21("2","7","2","5","6","5","1","1") = "6"
    & skf21("2","7","2","5","6","5","2","1") = "6"
    & skf21("2","7","2","5","6","5","3","1") = "6"
    & skf21("2","7","2","5","6","5","4","1") = "6"
    & skf21("2","7","2","5","6","5","5","1") = "6"
    & skf21("2","7","2","5","6","5","6","1") = "6"
    & skf21("2","7","2","5","6","5","7","1") = "6"
    & skf21("2","7","2","5","6","6","1","1") = "6"
    & skf21("2","7","2","5","6","6","2","1") = "6"
    & skf21("2","7","2","5","6","6","3","1") = "6"
    & skf21("2","7","2","5","6","6","4","1") = "6"
    & skf21("2","7","2","5","6","6","5","1") = "6"
    & skf21("2","7","2","5","6","6","6","1") = "6"
    & skf21("2","7","2","5","6","6","7","1") = "6"
    & skf21("2","7","2","5","6","7","1","1") = "6"
    & skf21("2","7","2","5","6","7","2","1") = "6"
    & skf21("2","7","2","5","6","7","3","1") = "6"
    & skf21("2","7","2","5","6","7","4","1") = "6"
    & skf21("2","7","2","5","6","7","5","1") = "6"
    & skf21("2","7","2","5","6","7","6","1") = "6"
    & skf21("2","7","2","5","6","7","7","1") = "6"
    & skf21("2","7","2","5","7","1","1","1") = "6"
    & skf21("2","7","2","5","7","1","2","1") = "6"
    & skf21("2","7","2","5","7","1","3","1") = "6"
    & skf21("2","7","2","5","7","1","4","1") = "6"
    & skf21("2","7","2","5","7","1","5","1") = "6"
    & skf21("2","7","2","5","7","1","6","1") = "6"
    & skf21("2","7","2","5","7","1","7","1") = "6"
    & skf21("2","7","2","5","7","2","1","1") = "6"
    & skf21("2","7","2","5","7","2","2","1") = "6"
    & skf21("2","7","2","5","7","2","3","1") = "6"
    & skf21("2","7","2","5","7","2","4","1") = "6"
    & skf21("2","7","2","5","7","2","5","1") = "6"
    & skf21("2","7","2","5","7","2","6","1") = "6"
    & skf21("2","7","2","5","7","2","7","1") = "6"
    & skf21("2","7","2","5","7","3","1","1") = "6"
    & skf21("2","7","2","5","7","3","2","1") = "6"
    & skf21("2","7","2","5","7","3","3","1") = "6"
    & skf21("2","7","2","5","7","3","4","1") = "6"
    & skf21("2","7","2","5","7","3","5","1") = "6"
    & skf21("2","7","2","5","7","3","6","1") = "6"
    & skf21("2","7","2","5","7","3","7","1") = "6"
    & skf21("2","7","2","5","7","4","1","1") = "6"
    & skf21("2","7","2","5","7","4","2","1") = "6"
    & skf21("2","7","2","5","7","4","3","1") = "6"
    & skf21("2","7","2","5","7","4","4","1") = "6"
    & skf21("2","7","2","5","7","4","5","1") = "6"
    & skf21("2","7","2","5","7","4","6","1") = "6"
    & skf21("2","7","2","5","7","4","7","1") = "6"
    & skf21("2","7","2","5","7","5","1","1") = "6"
    & skf21("2","7","2","5","7","5","2","1") = "6"
    & skf21("2","7","2","5","7","5","3","1") = "6"
    & skf21("2","7","2","5","7","5","4","1") = "6"
    & skf21("2","7","2","5","7","5","5","1") = "6"
    & skf21("2","7","2","5","7","5","6","1") = "6"
    & skf21("2","7","2","5","7","5","7","1") = "6"
    & skf21("2","7","2","5","7","6","1","1") = "6"
    & skf21("2","7","2","5","7","6","2","1") = "6"
    & skf21("2","7","2","5","7","6","3","1") = "6"
    & skf21("2","7","2","5","7","6","4","1") = "6"
    & skf21("2","7","2","5","7","6","5","1") = "6"
    & skf21("2","7","2","5","7","6","6","1") = "6"
    & skf21("2","7","2","5","7","6","7","1") = "6"
    & skf21("2","7","2","5","7","7","1","1") = "6"
    & skf21("2","7","2","5","7","7","2","1") = "6"
    & skf21("2","7","2","5","7","7","3","1") = "6"
    & skf21("2","7","2","5","7","7","4","1") = "6"
    & skf21("2","7","2","5","7","7","5","1") = "6"
    & skf21("2","7","2","5","7","7","6","1") = "6"
    & skf21("2","7","2","5","7","7","7","1") = "6"
    & skf21("2","7","2","6","1","1","1","1") = "6"
    & skf21("2","7","2","6","1","1","2","1") = "6"
    & skf21("2","7","2","6","1","1","3","1") = "6"
    & skf21("2","7","2","6","1","1","4","1") = "6"
    & skf21("2","7","2","6","1","1","5","1") = "6"
    & skf21("2","7","2","6","1","1","6","1") = "6"
    & skf21("2","7","2","6","1","1","7","1") = "6"
    & skf21("2","7","2","6","1","2","1","1") = "6"
    & skf21("2","7","2","6","1","2","2","1") = "6"
    & skf21("2","7","2","6","1","2","3","1") = "6"
    & skf21("2","7","2","6","1","2","4","1") = "6"
    & skf21("2","7","2","6","1","2","5","1") = "6"
    & skf21("2","7","2","6","1","2","6","1") = "6"
    & skf21("2","7","2","6","1","2","7","1") = "6"
    & skf21("2","7","2","6","1","3","1","1") = "6"
    & skf21("2","7","2","6","1","3","2","1") = "6"
    & skf21("2","7","2","6","1","3","3","1") = "6"
    & skf21("2","7","2","6","1","3","4","1") = "6"
    & skf21("2","7","2","6","1","3","5","1") = "6"
    & skf21("2","7","2","6","1","3","6","1") = "6"
    & skf21("2","7","2","6","1","3","7","1") = "6"
    & skf21("2","7","2","6","1","4","1","1") = "6"
    & skf21("2","7","2","6","1","4","2","1") = "6"
    & skf21("2","7","2","6","1","4","3","1") = "6"
    & skf21("2","7","2","6","1","4","4","1") = "6"
    & skf21("2","7","2","6","1","4","5","1") = "6"
    & skf21("2","7","2","6","1","4","6","1") = "6"
    & skf21("2","7","2","6","1","4","7","1") = "6"
    & skf21("2","7","2","6","1","5","1","1") = "6"
    & skf21("2","7","2","6","1","5","2","1") = "6"
    & skf21("2","7","2","6","1","5","3","1") = "6"
    & skf21("2","7","2","6","1","5","4","1") = "6"
    & skf21("2","7","2","6","1","5","5","1") = "6"
    & skf21("2","7","2","6","1","5","6","1") = "6"
    & skf21("2","7","2","6","1","5","7","1") = "6"
    & skf21("2","7","2","6","1","6","1","1") = "6"
    & skf21("2","7","2","6","1","6","2","1") = "6"
    & skf21("2","7","2","6","1","6","3","1") = "6"
    & skf21("2","7","2","6","1","6","4","1") = "6"
    & skf21("2","7","2","6","1","6","5","1") = "6"
    & skf21("2","7","2","6","1","6","6","1") = "6"
    & skf21("2","7","2","6","1","6","7","1") = "6"
    & skf21("2","7","2","6","1","7","1","1") = "6"
    & skf21("2","7","2","6","1","7","2","1") = "6"
    & skf21("2","7","2","6","1","7","3","1") = "6"
    & skf21("2","7","2","6","1","7","4","1") = "6"
    & skf21("2","7","2","6","1","7","5","1") = "6"
    & skf21("2","7","2","6","1","7","6","1") = "6"
    & skf21("2","7","2","6","1","7","7","1") = "6"
    & skf21("2","7","2","6","2","1","1","1") = "6"
    & skf21("2","7","2","6","2","1","2","1") = "6"
    & skf21("2","7","2","6","2","1","3","1") = "6"
    & skf21("2","7","2","6","2","1","4","1") = "6"
    & skf21("2","7","2","6","2","1","5","1") = "6"
    & skf21("2","7","2","6","2","1","6","1") = "6"
    & skf21("2","7","2","6","2","1","7","1") = "6"
    & skf21("2","7","2","6","2","2","1","1") = "6"
    & skf21("2","7","2","6","2","2","2","1") = "6"
    & skf21("2","7","2","6","2","2","3","1") = "6"
    & skf21("2","7","2","6","2","2","4","1") = "6"
    & skf21("2","7","2","6","2","2","5","1") = "6"
    & skf21("2","7","2","6","2","2","6","1") = "6"
    & skf21("2","7","2","6","2","2","7","1") = "6"
    & skf21("2","7","2","6","2","3","1","1") = "6"
    & skf21("2","7","2","6","2","3","2","1") = "6"
    & skf21("2","7","2","6","2","3","3","1") = "6"
    & skf21("2","7","2","6","2","3","4","1") = "6"
    & skf21("2","7","2","6","2","3","5","1") = "6"
    & skf21("2","7","2","6","2","3","6","1") = "6"
    & skf21("2","7","2","6","2","3","7","1") = "6"
    & skf21("2","7","2","6","2","4","1","1") = "6"
    & skf21("2","7","2","6","2","4","2","1") = "6"
    & skf21("2","7","2","6","2","4","3","1") = "6"
    & skf21("2","7","2","6","2","4","4","1") = "6"
    & skf21("2","7","2","6","2","4","5","1") = "6"
    & skf21("2","7","2","6","2","4","6","1") = "6"
    & skf21("2","7","2","6","2","4","7","1") = "6"
    & skf21("2","7","2","6","2","5","1","1") = "6"
    & skf21("2","7","2","6","2","5","2","1") = "6"
    & skf21("2","7","2","6","2","5","3","1") = "6"
    & skf21("2","7","2","6","2","5","4","1") = "6"
    & skf21("2","7","2","6","2","5","5","1") = "6"
    & skf21("2","7","2","6","2","5","6","1") = "6"
    & skf21("2","7","2","6","2","5","7","1") = "6"
    & skf21("2","7","2","6","2","6","1","1") = "6"
    & skf21("2","7","2","6","2","6","2","1") = "6"
    & skf21("2","7","2","6","2","6","3","1") = "6"
    & skf21("2","7","2","6","2","6","4","1") = "6"
    & skf21("2","7","2","6","2","6","5","1") = "6"
    & skf21("2","7","2","6","2","6","6","1") = "6"
    & skf21("2","7","2","6","2","6","7","1") = "6"
    & skf21("2","7","2","6","2","7","1","1") = "6"
    & skf21("2","7","2","6","2","7","2","1") = "6"
    & skf21("2","7","2","6","2","7","3","1") = "6"
    & skf21("2","7","2","6","2","7","4","1") = "6"
    & skf21("2","7","2","6","2","7","5","1") = "6"
    & skf21("2","7","2","6","2","7","6","1") = "6"
    & skf21("2","7","2","6","2","7","7","1") = "6"
    & skf21("2","7","2","6","3","1","1","1") = "6"
    & skf21("2","7","2","6","3","1","2","1") = "6"
    & skf21("2","7","2","6","3","1","3","1") = "6"
    & skf21("2","7","2","6","3","1","4","1") = "6"
    & skf21("2","7","2","6","3","1","5","1") = "6"
    & skf21("2","7","2","6","3","1","6","1") = "6"
    & skf21("2","7","2","6","3","1","7","1") = "6"
    & skf21("2","7","2","6","3","2","1","1") = "6"
    & skf21("2","7","2","6","3","2","2","1") = "6"
    & skf21("2","7","2","6","3","2","3","1") = "6"
    & skf21("2","7","2","6","3","2","4","1") = "6"
    & skf21("2","7","2","6","3","2","5","1") = "6"
    & skf21("2","7","2","6","3","2","6","1") = "6"
    & skf21("2","7","2","6","3","2","7","1") = "6"
    & skf21("2","7","2","6","3","3","1","1") = "6"
    & skf21("2","7","2","6","3","3","2","1") = "6"
    & skf21("2","7","2","6","3","3","3","1") = "6"
    & skf21("2","7","2","6","3","3","4","1") = "6"
    & skf21("2","7","2","6","3","3","5","1") = "6"
    & skf21("2","7","2","6","3","3","6","1") = "6"
    & skf21("2","7","2","6","3","3","7","1") = "6"
    & skf21("2","7","2","6","3","4","1","1") = "6"
    & skf21("2","7","2","6","3","4","2","1") = "6"
    & skf21("2","7","2","6","3","4","3","1") = "6"
    & skf21("2","7","2","6","3","4","4","1") = "6"
    & skf21("2","7","2","6","3","4","5","1") = "6"
    & skf21("2","7","2","6","3","4","6","1") = "6"
    & skf21("2","7","2","6","3","4","7","1") = "6"
    & skf21("2","7","2","6","3","5","1","1") = "6"
    & skf21("2","7","2","6","3","5","2","1") = "6"
    & skf21("2","7","2","6","3","5","3","1") = "6"
    & skf21("2","7","2","6","3","5","4","1") = "6"
    & skf21("2","7","2","6","3","5","5","1") = "6"
    & skf21("2","7","2","6","3","5","6","1") = "6"
    & skf21("2","7","2","6","3","5","7","1") = "6"
    & skf21("2","7","2","6","3","6","1","1") = "6"
    & skf21("2","7","2","6","3","6","2","1") = "6"
    & skf21("2","7","2","6","3","6","3","1") = "6"
    & skf21("2","7","2","6","3","6","4","1") = "6"
    & skf21("2","7","2","6","3","6","5","1") = "6"
    & skf21("2","7","2","6","3","6","6","1") = "6"
    & skf21("2","7","2","6","3","6","7","1") = "6"
    & skf21("2","7","2","6","3","7","1","1") = "6"
    & skf21("2","7","2","6","3","7","2","1") = "6"
    & skf21("2","7","2","6","3","7","3","1") = "6"
    & skf21("2","7","2","6","3","7","4","1") = "6"
    & skf21("2","7","2","6","3","7","5","1") = "6"
    & skf21("2","7","2","6","3","7","6","1") = "6"
    & skf21("2","7","2","6","3","7","7","1") = "6"
    & skf21("2","7","2","6","4","1","1","1") = "6"
    & skf21("2","7","2","6","4","1","2","1") = "6"
    & skf21("2","7","2","6","4","1","3","1") = "6"
    & skf21("2","7","2","6","4","1","4","1") = "6"
    & skf21("2","7","2","6","4","1","5","1") = "6"
    & skf21("2","7","2","6","4","1","6","1") = "6"
    & skf21("2","7","2","6","4","1","7","1") = "6"
    & skf21("2","7","2","6","4","2","1","1") = "6"
    & skf21("2","7","2","6","4","2","2","1") = "6"
    & skf21("2","7","2","6","4","2","3","1") = "6"
    & skf21("2","7","2","6","4","2","4","1") = "6"
    & skf21("2","7","2","6","4","2","5","1") = "6"
    & skf21("2","7","2","6","4","2","6","1") = "6"
    & skf21("2","7","2","6","4","2","7","1") = "6"
    & skf21("2","7","2","6","4","3","1","1") = "6"
    & skf21("2","7","2","6","4","3","2","1") = "6"
    & skf21("2","7","2","6","4","3","3","1") = "6"
    & skf21("2","7","2","6","4","3","4","1") = "6"
    & skf21("2","7","2","6","4","3","5","1") = "6"
    & skf21("2","7","2","6","4","3","6","1") = "6"
    & skf21("2","7","2","6","4","3","7","1") = "6"
    & skf21("2","7","2","6","4","4","1","1") = "6"
    & skf21("2","7","2","6","4","4","2","1") = "6"
    & skf21("2","7","2","6","4","4","3","1") = "6"
    & skf21("2","7","2","6","4","4","4","1") = "6"
    & skf21("2","7","2","6","4","4","5","1") = "6"
    & skf21("2","7","2","6","4","4","6","1") = "6"
    & skf21("2","7","2","6","4","4","7","1") = "6"
    & skf21("2","7","2","6","4","5","1","1") = "6"
    & skf21("2","7","2","6","4","5","2","1") = "6"
    & skf21("2","7","2","6","4","5","3","1") = "6"
    & skf21("2","7","2","6","4","5","4","1") = "6"
    & skf21("2","7","2","6","4","5","5","1") = "6"
    & skf21("2","7","2","6","4","5","6","1") = "6"
    & skf21("2","7","2","6","4","5","7","1") = "6"
    & skf21("2","7","2","6","4","6","1","1") = "6"
    & skf21("2","7","2","6","4","6","2","1") = "6"
    & skf21("2","7","2","6","4","6","3","1") = "6"
    & skf21("2","7","2","6","4","6","4","1") = "6"
    & skf21("2","7","2","6","4","6","5","1") = "6"
    & skf21("2","7","2","6","4","6","6","1") = "6"
    & skf21("2","7","2","6","4","6","7","1") = "6"
    & skf21("2","7","2","6","4","7","1","1") = "6"
    & skf21("2","7","2","6","4","7","2","1") = "6"
    & skf21("2","7","2","6","4","7","3","1") = "6"
    & skf21("2","7","2","6","4","7","4","1") = "6"
    & skf21("2","7","2","6","4","7","5","1") = "6"
    & skf21("2","7","2","6","4","7","6","1") = "6"
    & skf21("2","7","2","6","4","7","7","1") = "6"
    & skf21("2","7","2","6","5","1","1","1") = "6"
    & skf21("2","7","2","6","5","1","2","1") = "6"
    & skf21("2","7","2","6","5","1","3","1") = "6"
    & skf21("2","7","2","6","5","1","4","1") = "6"
    & skf21("2","7","2","6","5","1","5","1") = "6"
    & skf21("2","7","2","6","5","1","6","1") = "6"
    & skf21("2","7","2","6","5","1","7","1") = "6"
    & skf21("2","7","2","6","5","2","1","1") = "6"
    & skf21("2","7","2","6","5","2","2","1") = "6"
    & skf21("2","7","2","6","5","2","3","1") = "6"
    & skf21("2","7","2","6","5","2","4","1") = "6"
    & skf21("2","7","2","6","5","2","5","1") = "6"
    & skf21("2","7","2","6","5","2","6","1") = "6"
    & skf21("2","7","2","6","5","2","7","1") = "6"
    & skf21("2","7","2","6","5","3","1","1") = "6"
    & skf21("2","7","2","6","5","3","2","1") = "6"
    & skf21("2","7","2","6","5","3","3","1") = "6"
    & skf21("2","7","2","6","5","3","4","1") = "6"
    & skf21("2","7","2","6","5","3","5","1") = "6"
    & skf21("2","7","2","6","5","3","6","1") = "6"
    & skf21("2","7","2","6","5","3","7","1") = "6"
    & skf21("2","7","2","6","5","4","1","1") = "6"
    & skf21("2","7","2","6","5","4","2","1") = "6"
    & skf21("2","7","2","6","5","4","3","1") = "6"
    & skf21("2","7","2","6","5","4","4","1") = "6"
    & skf21("2","7","2","6","5","4","5","1") = "6"
    & skf21("2","7","2","6","5","4","6","1") = "6"
    & skf21("2","7","2","6","5","4","7","1") = "6"
    & skf21("2","7","2","6","5","5","1","1") = "6"
    & skf21("2","7","2","6","5","5","2","1") = "6"
    & skf21("2","7","2","6","5","5","3","1") = "6"
    & skf21("2","7","2","6","5","5","4","1") = "6"
    & skf21("2","7","2","6","5","5","5","1") = "6"
    & skf21("2","7","2","6","5","5","6","1") = "6"
    & skf21("2","7","2","6","5","5","7","1") = "6"
    & skf21("2","7","2","6","5","6","1","1") = "6"
    & skf21("2","7","2","6","5","6","2","1") = "6"
    & skf21("2","7","2","6","5","6","3","1") = "6"
    & skf21("2","7","2","6","5","6","4","1") = "6"
    & skf21("2","7","2","6","5","6","5","1") = "6"
    & skf21("2","7","2","6","5","6","6","1") = "6"
    & skf21("2","7","2","6","5","6","7","1") = "6"
    & skf21("2","7","2","6","5","7","1","1") = "6"
    & skf21("2","7","2","6","5","7","2","1") = "6"
    & skf21("2","7","2","6","5","7","3","1") = "6"
    & skf21("2","7","2","6","5","7","4","1") = "6"
    & skf21("2","7","2","6","5","7","5","1") = "6"
    & skf21("2","7","2","6","5","7","6","1") = "6"
    & skf21("2","7","2","6","5","7","7","1") = "6"
    & skf21("2","7","2","6","6","1","1","1") = "6"
    & skf21("2","7","2","6","6","1","2","1") = "6"
    & skf21("2","7","2","6","6","1","3","1") = "6"
    & skf21("2","7","2","6","6","1","4","1") = "6"
    & skf21("2","7","2","6","6","1","5","1") = "6"
    & skf21("2","7","2","6","6","1","6","1") = "6"
    & skf21("2","7","2","6","6","1","7","1") = "6"
    & skf21("2","7","2","6","6","2","1","1") = "6"
    & skf21("2","7","2","6","6","2","2","1") = "6"
    & skf21("2","7","2","6","6","2","3","1") = "6"
    & skf21("2","7","2","6","6","2","4","1") = "6"
    & skf21("2","7","2","6","6","2","5","1") = "6"
    & skf21("2","7","2","6","6","2","6","1") = "6"
    & skf21("2","7","2","6","6","2","7","1") = "6"
    & skf21("2","7","2","6","6","3","1","1") = "6"
    & skf21("2","7","2","6","6","3","2","1") = "6"
    & skf21("2","7","2","6","6","3","3","1") = "6"
    & skf21("2","7","2","6","6","3","4","1") = "6"
    & skf21("2","7","2","6","6","3","5","1") = "6"
    & skf21("2","7","2","6","6","3","6","1") = "6"
    & skf21("2","7","2","6","6","3","7","1") = "6"
    & skf21("2","7","2","6","6","4","1","1") = "6"
    & skf21("2","7","2","6","6","4","2","1") = "6"
    & skf21("2","7","2","6","6","4","3","1") = "6"
    & skf21("2","7","2","6","6","4","4","1") = "6"
    & skf21("2","7","2","6","6","4","5","1") = "6"
    & skf21("2","7","2","6","6","4","6","1") = "6"
    & skf21("2","7","2","6","6","4","7","1") = "6"
    & skf21("2","7","2","6","6","5","1","1") = "6"
    & skf21("2","7","2","6","6","5","2","1") = "6"
    & skf21("2","7","2","6","6","5","3","1") = "6"
    & skf21("2","7","2","6","6","5","4","1") = "6"
    & skf21("2","7","2","6","6","5","5","1") = "6"
    & skf21("2","7","2","6","6","5","6","1") = "6"
    & skf21("2","7","2","6","6","5","7","1") = "6"
    & skf21("2","7","2","6","6","6","1","1") = "6"
    & skf21("2","7","2","6","6","6","2","1") = "6"
    & skf21("2","7","2","6","6","6","3","1") = "6"
    & skf21("2","7","2","6","6","6","4","1") = "6"
    & skf21("2","7","2","6","6","6","5","1") = "6"
    & skf21("2","7","2","6","6","6","6","1") = "6"
    & skf21("2","7","2","6","6","6","7","1") = "6"
    & skf21("2","7","2","6","6","7","1","1") = "6"
    & skf21("2","7","2","6","6","7","2","1") = "6"
    & skf21("2","7","2","6","6","7","3","1") = "6"
    & skf21("2","7","2","6","6","7","4","1") = "6"
    & skf21("2","7","2","6","6","7","5","1") = "6"
    & skf21("2","7","2","6","6","7","6","1") = "6"
    & skf21("2","7","2","6","6","7","7","1") = "6"
    & skf21("2","7","2","6","7","1","1","1") = "6"
    & skf21("2","7","2","6","7","1","2","1") = "6"
    & skf21("2","7","2","6","7","1","3","1") = "6"
    & skf21("2","7","2","6","7","1","4","1") = "6"
    & skf21("2","7","2","6","7","1","5","1") = "6"
    & skf21("2","7","2","6","7","1","6","1") = "6"
    & skf21("2","7","2","6","7","1","7","1") = "6"
    & skf21("2","7","2","6","7","2","1","1") = "6"
    & skf21("2","7","2","6","7","2","2","1") = "6"
    & skf21("2","7","2","6","7","2","3","1") = "6"
    & skf21("2","7","2","6","7","2","4","1") = "6"
    & skf21("2","7","2","6","7","2","5","1") = "6"
    & skf21("2","7","2","6","7","2","6","1") = "6"
    & skf21("2","7","2","6","7","2","7","1") = "6"
    & skf21("2","7","2","6","7","3","1","1") = "6"
    & skf21("2","7","2","6","7","3","2","1") = "6"
    & skf21("2","7","2","6","7","3","3","1") = "6"
    & skf21("2","7","2","6","7","3","4","1") = "6"
    & skf21("2","7","2","6","7","3","5","1") = "6"
    & skf21("2","7","2","6","7","3","6","1") = "6"
    & skf21("2","7","2","6","7","3","7","1") = "6"
    & skf21("2","7","2","6","7","4","1","1") = "6"
    & skf21("2","7","2","6","7","4","2","1") = "6"
    & skf21("2","7","2","6","7","4","3","1") = "6"
    & skf21("2","7","2","6","7","4","4","1") = "6"
    & skf21("2","7","2","6","7","4","5","1") = "6"
    & skf21("2","7","2","6","7","4","6","1") = "6"
    & skf21("2","7","2","6","7","4","7","1") = "6"
    & skf21("2","7","2","6","7","5","1","1") = "6"
    & skf21("2","7","2","6","7","5","2","1") = "6"
    & skf21("2","7","2","6","7","5","3","1") = "6"
    & skf21("2","7","2","6","7","5","4","1") = "6"
    & skf21("2","7","2","6","7","5","5","1") = "6"
    & skf21("2","7","2","6","7","5","6","1") = "6"
    & skf21("2","7","2","6","7","5","7","1") = "6"
    & skf21("2","7","2","6","7","6","1","1") = "6"
    & skf21("2","7","2","6","7","6","2","1") = "6"
    & skf21("2","7","2","6","7","6","3","1") = "6"
    & skf21("2","7","2","6","7","6","4","1") = "6"
    & skf21("2","7","2","6","7","6","5","1") = "6"
    & skf21("2","7","2","6","7","6","6","1") = "6"
    & skf21("2","7","2","6","7","6","7","1") = "6"
    & skf21("2","7","2","6","7","7","1","1") = "6"
    & skf21("2","7","2","6","7","7","2","1") = "6"
    & skf21("2","7","2","6","7","7","3","1") = "6"
    & skf21("2","7","2","6","7","7","4","1") = "6"
    & skf21("2","7","2","6","7","7","5","1") = "6"
    & skf21("2","7","2","6","7","7","6","1") = "6"
    & skf21("2","7","2","6","7","7","7","1") = "6"
    & skf21("2","7","2","7","1","1","1","1") = "6"
    & skf21("2","7","2","7","1","1","2","1") = "6"
    & skf21("2","7","2","7","1","1","3","1") = "6"
    & skf21("2","7","2","7","1","1","4","1") = "6"
    & skf21("2","7","2","7","1","1","5","1") = "6"
    & skf21("2","7","2","7","1","1","6","1") = "6"
    & skf21("2","7","2","7","1","1","7","1") = "6"
    & skf21("2","7","2","7","1","2","1","1") = "6"
    & skf21("2","7","2","7","1","2","2","1") = "6"
    & skf21("2","7","2","7","1","2","3","1") = "6"
    & skf21("2","7","2","7","1","2","4","1") = "6"
    & skf21("2","7","2","7","1","2","5","1") = "6"
    & skf21("2","7","2","7","1","2","6","1") = "6"
    & skf21("2","7","2","7","1","2","7","1") = "6"
    & skf21("2","7","2","7","1","3","1","1") = "6"
    & skf21("2","7","2","7","1","3","2","1") = "6"
    & skf21("2","7","2","7","1","3","3","1") = "6"
    & skf21("2","7","2","7","1","3","4","1") = "6"
    & skf21("2","7","2","7","1","3","5","1") = "6"
    & skf21("2","7","2","7","1","3","6","1") = "6"
    & skf21("2","7","2","7","1","3","7","1") = "6"
    & skf21("2","7","2","7","1","4","1","1") = "6"
    & skf21("2","7","2","7","1","4","2","1") = "6"
    & skf21("2","7","2","7","1","4","3","1") = "6"
    & skf21("2","7","2","7","1","4","4","1") = "6"
    & skf21("2","7","2","7","1","4","5","1") = "6"
    & skf21("2","7","2","7","1","4","6","1") = "6"
    & skf21("2","7","2","7","1","4","7","1") = "6"
    & skf21("2","7","2","7","1","5","1","1") = "6"
    & skf21("2","7","2","7","1","5","2","1") = "6"
    & skf21("2","7","2","7","1","5","3","1") = "6"
    & skf21("2","7","2","7","1","5","4","1") = "6"
    & skf21("2","7","2","7","1","5","5","1") = "6"
    & skf21("2","7","2","7","1","5","6","1") = "6"
    & skf21("2","7","2","7","1","5","7","1") = "6"
    & skf21("2","7","2","7","1","6","1","1") = "6"
    & skf21("2","7","2","7","1","6","2","1") = "6"
    & skf21("2","7","2","7","1","6","3","1") = "6"
    & skf21("2","7","2","7","1","6","4","1") = "6"
    & skf21("2","7","2","7","1","6","5","1") = "6"
    & skf21("2","7","2","7","1","6","6","1") = "6"
    & skf21("2","7","2","7","1","6","7","1") = "6"
    & skf21("2","7","2","7","1","7","1","1") = "6"
    & skf21("2","7","2","7","1","7","2","1") = "6"
    & skf21("2","7","2","7","1","7","3","1") = "6"
    & skf21("2","7","2","7","1","7","4","1") = "6"
    & skf21("2","7","2","7","1","7","5","1") = "6"
    & skf21("2","7","2","7","1","7","6","1") = "6"
    & skf21("2","7","2","7","1","7","7","1") = "6"
    & skf21("2","7","2","7","2","1","1","1") = "6"
    & skf21("2","7","2","7","2","1","2","1") = "6"
    & skf21("2","7","2","7","2","1","3","1") = "6"
    & skf21("2","7","2","7","2","1","4","1") = "6"
    & skf21("2","7","2","7","2","1","5","1") = "6"
    & skf21("2","7","2","7","2","1","6","1") = "6"
    & skf21("2","7","2","7","2","1","7","1") = "6"
    & skf21("2","7","2","7","2","2","1","1") = "6"
    & skf21("2","7","2","7","2","2","2","1") = "6"
    & skf21("2","7","2","7","2","2","3","1") = "6"
    & skf21("2","7","2","7","2","2","4","1") = "6"
    & skf21("2","7","2","7","2","2","5","1") = "6"
    & skf21("2","7","2","7","2","2","6","1") = "6"
    & skf21("2","7","2","7","2","2","7","1") = "6"
    & skf21("2","7","2","7","2","3","1","1") = "6"
    & skf21("2","7","2","7","2","3","2","1") = "6"
    & skf21("2","7","2","7","2","3","3","1") = "6"
    & skf21("2","7","2","7","2","3","4","1") = "6"
    & skf21("2","7","2","7","2","3","5","1") = "6"
    & skf21("2","7","2","7","2","3","6","1") = "6"
    & skf21("2","7","2","7","2","3","7","1") = "6"
    & skf21("2","7","2","7","2","4","1","1") = "6"
    & skf21("2","7","2","7","2","4","2","1") = "6"
    & skf21("2","7","2","7","2","4","3","1") = "6"
    & skf21("2","7","2","7","2","4","4","1") = "6"
    & skf21("2","7","2","7","2","4","5","1") = "6"
    & skf21("2","7","2","7","2","4","6","1") = "6"
    & skf21("2","7","2","7","2","4","7","1") = "6"
    & skf21("2","7","2","7","2","5","1","1") = "6"
    & skf21("2","7","2","7","2","5","2","1") = "6"
    & skf21("2","7","2","7","2","5","3","1") = "6"
    & skf21("2","7","2","7","2","5","4","1") = "6"
    & skf21("2","7","2","7","2","5","5","1") = "6"
    & skf21("2","7","2","7","2","5","6","1") = "6"
    & skf21("2","7","2","7","2","5","7","1") = "6"
    & skf21("2","7","2","7","2","6","1","1") = "6"
    & skf21("2","7","2","7","2","6","2","1") = "6"
    & skf21("2","7","2","7","2","6","3","1") = "6"
    & skf21("2","7","2","7","2","6","4","1") = "6"
    & skf21("2","7","2","7","2","6","5","1") = "6"
    & skf21("2","7","2","7","2","6","6","1") = "6"
    & skf21("2","7","2","7","2","6","7","1") = "6"
    & skf21("2","7","2","7","2","7","1","1") = "6"
    & skf21("2","7","2","7","2","7","2","1") = "6"
    & skf21("2","7","2","7","2","7","3","1") = "6"
    & skf21("2","7","2","7","2","7","4","1") = "6"
    & skf21("2","7","2","7","2","7","5","1") = "6"
    & skf21("2","7","2","7","2","7","6","1") = "6"
    & skf21("2","7","2","7","2","7","7","1") = "6"
    & skf21("2","7","2","7","3","1","1","1") = "6"
    & skf21("2","7","2","7","3","1","2","1") = "6"
    & skf21("2","7","2","7","3","1","3","1") = "6"
    & skf21("2","7","2","7","3","1","4","1") = "6"
    & skf21("2","7","2","7","3","1","5","1") = "6"
    & skf21("2","7","2","7","3","1","6","1") = "6"
    & skf21("2","7","2","7","3","1","7","1") = "6"
    & skf21("2","7","2","7","3","2","1","1") = "6"
    & skf21("2","7","2","7","3","2","2","1") = "6"
    & skf21("2","7","2","7","3","2","3","1") = "6"
    & skf21("2","7","2","7","3","2","4","1") = "6"
    & skf21("2","7","2","7","3","2","5","1") = "6"
    & skf21("2","7","2","7","3","2","6","1") = "6"
    & skf21("2","7","2","7","3","2","7","1") = "6"
    & skf21("2","7","2","7","3","3","1","1") = "6"
    & skf21("2","7","2","7","3","3","2","1") = "6"
    & skf21("2","7","2","7","3","3","3","1") = "6"
    & skf21("2","7","2","7","3","3","4","1") = "6"
    & skf21("2","7","2","7","3","3","5","1") = "6"
    & skf21("2","7","2","7","3","3","6","1") = "6"
    & skf21("2","7","2","7","3","3","7","1") = "6"
    & skf21("2","7","2","7","3","4","1","1") = "6"
    & skf21("2","7","2","7","3","4","2","1") = "6"
    & skf21("2","7","2","7","3","4","3","1") = "6"
    & skf21("2","7","2","7","3","4","4","1") = "6"
    & skf21("2","7","2","7","3","4","5","1") = "6"
    & skf21("2","7","2","7","3","4","6","1") = "6"
    & skf21("2","7","2","7","3","4","7","1") = "6"
    & skf21("2","7","2","7","3","5","1","1") = "6"
    & skf21("2","7","2","7","3","5","2","1") = "6"
    & skf21("2","7","2","7","3","5","3","1") = "6"
    & skf21("2","7","2","7","3","5","4","1") = "6"
    & skf21("2","7","2","7","3","5","5","1") = "6"
    & skf21("2","7","2","7","3","5","6","1") = "6"
    & skf21("2","7","2","7","3","5","7","1") = "6"
    & skf21("2","7","2","7","3","6","1","1") = "6"
    & skf21("2","7","2","7","3","6","2","1") = "6"
    & skf21("2","7","2","7","3","6","3","1") = "6"
    & skf21("2","7","2","7","3","6","4","1") = "6"
    & skf21("2","7","2","7","3","6","5","1") = "6"
    & skf21("2","7","2","7","3","6","6","1") = "6"
    & skf21("2","7","2","7","3","6","7","1") = "6"
    & skf21("2","7","2","7","3","7","1","1") = "6"
    & skf21("2","7","2","7","3","7","2","1") = "6"
    & skf21("2","7","2","7","3","7","3","1") = "6"
    & skf21("2","7","2","7","3","7","4","1") = "6"
    & skf21("2","7","2","7","3","7","5","1") = "6"
    & skf21("2","7","2","7","3","7","6","1") = "6"
    & skf21("2","7","2","7","3","7","7","1") = "6"
    & skf21("2","7","2","7","4","1","1","1") = "6"
    & skf21("2","7","2","7","4","1","2","1") = "6"
    & skf21("2","7","2","7","4","1","3","1") = "6"
    & skf21("2","7","2","7","4","1","4","1") = "6"
    & skf21("2","7","2","7","4","1","5","1") = "6"
    & skf21("2","7","2","7","4","1","6","1") = "6"
    & skf21("2","7","2","7","4","1","7","1") = "6"
    & skf21("2","7","2","7","4","2","1","1") = "6"
    & skf21("2","7","2","7","4","2","2","1") = "6"
    & skf21("2","7","2","7","4","2","3","1") = "6"
    & skf21("2","7","2","7","4","2","4","1") = "6"
    & skf21("2","7","2","7","4","2","5","1") = "6"
    & skf21("2","7","2","7","4","2","6","1") = "6"
    & skf21("2","7","2","7","4","2","7","1") = "6"
    & skf21("2","7","2","7","4","3","1","1") = "6"
    & skf21("2","7","2","7","4","3","2","1") = "6"
    & skf21("2","7","2","7","4","3","3","1") = "6"
    & skf21("2","7","2","7","4","3","4","1") = "6"
    & skf21("2","7","2","7","4","3","5","1") = "6"
    & skf21("2","7","2","7","4","3","6","1") = "6"
    & skf21("2","7","2","7","4","3","7","1") = "6"
    & skf21("2","7","2","7","4","4","1","1") = "6"
    & skf21("2","7","2","7","4","4","2","1") = "6"
    & skf21("2","7","2","7","4","4","3","1") = "6"
    & skf21("2","7","2","7","4","4","4","1") = "6"
    & skf21("2","7","2","7","4","4","5","1") = "6"
    & skf21("2","7","2","7","4","4","6","1") = "6"
    & skf21("2","7","2","7","4","4","7","1") = "6"
    & skf21("2","7","2","7","4","5","1","1") = "6"
    & skf21("2","7","2","7","4","5","2","1") = "6"
    & skf21("2","7","2","7","4","5","3","1") = "6"
    & skf21("2","7","2","7","4","5","4","1") = "6"
    & skf21("2","7","2","7","4","5","5","1") = "6"
    & skf21("2","7","2","7","4","5","6","1") = "6"
    & skf21("2","7","2","7","4","5","7","1") = "6"
    & skf21("2","7","2","7","4","6","1","1") = "6"
    & skf21("2","7","2","7","4","6","2","1") = "6"
    & skf21("2","7","2","7","4","6","3","1") = "6"
    & skf21("2","7","2","7","4","6","4","1") = "6"
    & skf21("2","7","2","7","4","6","5","1") = "6"
    & skf21("2","7","2","7","4","6","6","1") = "6"
    & skf21("2","7","2","7","4","6","7","1") = "6"
    & skf21("2","7","2","7","4","7","1","1") = "6"
    & skf21("2","7","2","7","4","7","2","1") = "6"
    & skf21("2","7","2","7","4","7","3","1") = "6"
    & skf21("2","7","2","7","4","7","4","1") = "6"
    & skf21("2","7","2","7","4","7","5","1") = "6"
    & skf21("2","7","2","7","4","7","6","1") = "6"
    & skf21("2","7","2","7","4","7","7","1") = "6"
    & skf21("2","7","2","7","5","1","1","1") = "6"
    & skf21("2","7","2","7","5","1","2","1") = "6"
    & skf21("2","7","2","7","5","1","3","1") = "6"
    & skf21("2","7","2","7","5","1","4","1") = "6"
    & skf21("2","7","2","7","5","1","5","1") = "6"
    & skf21("2","7","2","7","5","1","6","1") = "6"
    & skf21("2","7","2","7","5","1","7","1") = "6"
    & skf21("2","7","2","7","5","2","1","1") = "6"
    & skf21("2","7","2","7","5","2","2","1") = "6"
    & skf21("2","7","2","7","5","2","3","1") = "6"
    & skf21("2","7","2","7","5","2","4","1") = "6"
    & skf21("2","7","2","7","5","2","5","1") = "6"
    & skf21("2","7","2","7","5","2","6","1") = "6"
    & skf21("2","7","2","7","5","2","7","1") = "6"
    & skf21("2","7","2","7","5","3","1","1") = "6"
    & skf21("2","7","2","7","5","3","2","1") = "6"
    & skf21("2","7","2","7","5","3","3","1") = "6"
    & skf21("2","7","2","7","5","3","4","1") = "6"
    & skf21("2","7","2","7","5","3","5","1") = "6"
    & skf21("2","7","2","7","5","3","6","1") = "6"
    & skf21("2","7","2","7","5","3","7","1") = "6"
    & skf21("2","7","2","7","5","4","1","1") = "6"
    & skf21("2","7","2","7","5","4","2","1") = "6"
    & skf21("2","7","2","7","5","4","3","1") = "6"
    & skf21("2","7","2","7","5","4","4","1") = "6"
    & skf21("2","7","2","7","5","4","5","1") = "6"
    & skf21("2","7","2","7","5","4","6","1") = "6"
    & skf21("2","7","2","7","5","4","7","1") = "6"
    & skf21("2","7","2","7","5","5","1","1") = "6"
    & skf21("2","7","2","7","5","5","2","1") = "6"
    & skf21("2","7","2","7","5","5","3","1") = "6"
    & skf21("2","7","2","7","5","5","4","1") = "6"
    & skf21("2","7","2","7","5","5","5","1") = "6"
    & skf21("2","7","2","7","5","5","6","1") = "6"
    & skf21("2","7","2","7","5","5","7","1") = "6"
    & skf21("2","7","2","7","5","6","1","1") = "6"
    & skf21("2","7","2","7","5","6","2","1") = "6"
    & skf21("2","7","2","7","5","6","3","1") = "6"
    & skf21("2","7","2","7","5","6","4","1") = "6"
    & skf21("2","7","2","7","5","6","5","1") = "6"
    & skf21("2","7","2","7","5","6","6","1") = "6"
    & skf21("2","7","2","7","5","6","7","1") = "6"
    & skf21("2","7","2","7","5","7","1","1") = "6"
    & skf21("2","7","2","7","5","7","2","1") = "6"
    & skf21("2","7","2","7","5","7","3","1") = "6"
    & skf21("2","7","2","7","5","7","4","1") = "6"
    & skf21("2","7","2","7","5","7","5","1") = "6"
    & skf21("2","7","2","7","5","7","6","1") = "6"
    & skf21("2","7","2","7","5","7","7","1") = "6"
    & skf21("2","7","2","7","6","1","1","1") = "6"
    & skf21("2","7","2","7","6","1","2","1") = "6"
    & skf21("2","7","2","7","6","1","3","1") = "6"
    & skf21("2","7","2","7","6","1","4","1") = "6"
    & skf21("2","7","2","7","6","1","5","1") = "6"
    & skf21("2","7","2","7","6","1","6","1") = "6"
    & skf21("2","7","2","7","6","1","7","1") = "6"
    & skf21("2","7","2","7","6","2","1","1") = "6"
    & skf21("2","7","2","7","6","2","2","1") = "6"
    & skf21("2","7","2","7","6","2","3","1") = "6"
    & skf21("2","7","2","7","6","2","4","1") = "6"
    & skf21("2","7","2","7","6","2","5","1") = "6"
    & skf21("2","7","2","7","6","2","6","1") = "6"
    & skf21("2","7","2","7","6","2","7","1") = "6"
    & skf21("2","7","2","7","6","3","1","1") = "6"
    & skf21("2","7","2","7","6","3","2","1") = "6"
    & skf21("2","7","2","7","6","3","3","1") = "6"
    & skf21("2","7","2","7","6","3","4","1") = "6"
    & skf21("2","7","2","7","6","3","5","1") = "6"
    & skf21("2","7","2","7","6","3","6","1") = "6"
    & skf21("2","7","2","7","6","3","7","1") = "6"
    & skf21("2","7","2","7","6","4","1","1") = "6"
    & skf21("2","7","2","7","6","4","2","1") = "6"
    & skf21("2","7","2","7","6","4","3","1") = "6"
    & skf21("2","7","2","7","6","4","4","1") = "6"
    & skf21("2","7","2","7","6","4","5","1") = "6"
    & skf21("2","7","2","7","6","4","6","1") = "6"
    & skf21("2","7","2","7","6","4","7","1") = "6"
    & skf21("2","7","2","7","6","5","1","1") = "6"
    & skf21("2","7","2","7","6","5","2","1") = "6"
    & skf21("2","7","2","7","6","5","3","1") = "6"
    & skf21("2","7","2","7","6","5","4","1") = "6"
    & skf21("2","7","2","7","6","5","5","1") = "6"
    & skf21("2","7","2","7","6","5","6","1") = "6"
    & skf21("2","7","2","7","6","5","7","1") = "6"
    & skf21("2","7","2","7","6","6","1","1") = "6"
    & skf21("2","7","2","7","6","6","2","1") = "6"
    & skf21("2","7","2","7","6","6","3","1") = "6"
    & skf21("2","7","2","7","6","6","4","1") = "6"
    & skf21("2","7","2","7","6","6","5","1") = "6"
    & skf21("2","7","2","7","6","6","6","1") = "6"
    & skf21("2","7","2","7","6","6","7","1") = "6"
    & skf21("2","7","2","7","6","7","1","1") = "6"
    & skf21("2","7","2","7","6","7","2","1") = "6"
    & skf21("2","7","2","7","6","7","3","1") = "6"
    & skf21("2","7","2","7","6","7","4","1") = "6"
    & skf21("2","7","2","7","6","7","5","1") = "6"
    & skf21("2","7","2","7","6","7","6","1") = "6"
    & skf21("2","7","2","7","6","7","7","1") = "6"
    & skf21("2","7","2","7","7","1","1","1") = "6"
    & skf21("2","7","2","7","7","1","2","1") = "6"
    & skf21("2","7","2","7","7","1","3","1") = "6"
    & skf21("2","7","2","7","7","1","4","1") = "6"
    & skf21("2","7","2","7","7","1","5","1") = "6"
    & skf21("2","7","2","7","7","1","6","1") = "6"
    & skf21("2","7","2","7","7","1","7","1") = "6"
    & skf21("2","7","2","7","7","2","1","1") = "6"
    & skf21("2","7","2","7","7","2","2","1") = "6"
    & skf21("2","7","2","7","7","2","3","1") = "6"
    & skf21("2","7","2","7","7","2","4","1") = "6"
    & skf21("2","7","2","7","7","2","5","1") = "6"
    & skf21("2","7","2","7","7","2","6","1") = "6"
    & skf21("2","7","2","7","7","2","7","1") = "6"
    & skf21("2","7","2","7","7","3","1","1") = "6"
    & skf21("2","7","2","7","7","3","2","1") = "6"
    & skf21("2","7","2","7","7","3","3","1") = "6"
    & skf21("2","7","2","7","7","3","4","1") = "6"
    & skf21("2","7","2","7","7","3","5","1") = "6"
    & skf21("2","7","2","7","7","3","6","1") = "6"
    & skf21("2","7","2","7","7","3","7","1") = "6"
    & skf21("2","7","2","7","7","4","1","1") = "6"
    & skf21("2","7","2","7","7","4","2","1") = "6"
    & skf21("2","7","2","7","7","4","3","1") = "6"
    & skf21("2","7","2","7","7","4","4","1") = "6"
    & skf21("2","7","2","7","7","4","5","1") = "6"
    & skf21("2","7","2","7","7","4","6","1") = "6"
    & skf21("2","7","2","7","7","4","7","1") = "6"
    & skf21("2","7","2","7","7","5","1","1") = "6"
    & skf21("2","7","2","7","7","5","2","1") = "6"
    & skf21("2","7","2","7","7","5","3","1") = "6"
    & skf21("2","7","2","7","7","5","4","1") = "6"
    & skf21("2","7","2","7","7","5","5","1") = "6"
    & skf21("2","7","2","7","7","5","6","1") = "6"
    & skf21("2","7","2","7","7","5","7","1") = "6"
    & skf21("2","7","2","7","7","6","1","1") = "6"
    & skf21("2","7","2","7","7","6","2","1") = "6"
    & skf21("2","7","2","7","7","6","3","1") = "6"
    & skf21("2","7","2","7","7","6","4","1") = "6"
    & skf21("2","7","2","7","7","6","5","1") = "6"
    & skf21("2","7","2","7","7","6","6","1") = "6"
    & skf21("2","7","2","7","7","6","7","1") = "6"
    & skf21("2","7","2","7","7","7","1","1") = "6"
    & skf21("2","7","2","7","7","7","2","1") = "6"
    & skf21("2","7","2","7","7","7","3","1") = "6"
    & skf21("2","7","2","7","7","7","4","1") = "6"
    & skf21("2","7","2","7","7","7","5","1") = "6"
    & skf21("2","7","2","7","7","7","6","1") = "6"
    & skf21("2","7","2","7","7","7","7","1") = "6"
    & skf21("2","7","3","1","1","1","1","1") = "6"
    & skf21("2","7","3","1","1","1","2","1") = "6"
    & skf21("2","7","3","1","1","1","3","1") = "6"
    & skf21("2","7","3","1","1","1","4","1") = "6"
    & skf21("2","7","3","1","1","1","5","1") = "6"
    & skf21("2","7","3","1","1","1","6","1") = "6"
    & skf21("2","7","3","1","1","1","7","1") = "6"
    & skf21("2","7","3","1","1","2","1","1") = "6"
    & skf21("2","7","3","1","1","2","2","1") = "6"
    & skf21("2","7","3","1","1","2","3","1") = "6"
    & skf21("2","7","3","1","1","2","4","1") = "6"
    & skf21("2","7","3","1","1","2","5","1") = "6"
    & skf21("2","7","3","1","1","2","6","1") = "6"
    & skf21("2","7","3","1","1","2","7","1") = "6"
    & skf21("2","7","3","1","1","3","1","1") = "6"
    & skf21("2","7","3","1","1","3","2","1") = "6"
    & skf21("2","7","3","1","1","3","3","1") = "6"
    & skf21("2","7","3","1","1","3","4","1") = "6"
    & skf21("2","7","3","1","1","3","5","1") = "6"
    & skf21("2","7","3","1","1","3","6","1") = "6"
    & skf21("2","7","3","1","1","3","7","1") = "6"
    & skf21("2","7","3","1","1","4","1","1") = "6"
    & skf21("2","7","3","1","1","4","2","1") = "6"
    & skf21("2","7","3","1","1","4","3","1") = "6"
    & skf21("2","7","3","1","1","4","4","1") = "6"
    & skf21("2","7","3","1","1","4","5","1") = "6"
    & skf21("2","7","3","1","1","4","6","1") = "6"
    & skf21("2","7","3","1","1","4","7","1") = "6"
    & skf21("2","7","3","1","1","5","1","1") = "6"
    & skf21("2","7","3","1","1","5","2","1") = "6"
    & skf21("2","7","3","1","1","5","3","1") = "6"
    & skf21("2","7","3","1","1","5","4","1") = "6"
    & skf21("2","7","3","1","1","5","5","1") = "6"
    & skf21("2","7","3","1","1","5","6","1") = "6"
    & skf21("2","7","3","1","1","5","7","1") = "6"
    & skf21("2","7","3","1","1","6","1","1") = "6"
    & skf21("2","7","3","1","1","6","2","1") = "6"
    & skf21("2","7","3","1","1","6","3","1") = "6"
    & skf21("2","7","3","1","1","6","4","1") = "6"
    & skf21("2","7","3","1","1","6","5","1") = "6"
    & skf21("2","7","3","1","1","6","6","1") = "6"
    & skf21("2","7","3","1","1","6","7","1") = "6"
    & skf21("2","7","3","1","1","7","1","1") = "6"
    & skf21("2","7","3","1","1","7","2","1") = "6"
    & skf21("2","7","3","1","1","7","3","1") = "6"
    & skf21("2","7","3","1","1","7","4","1") = "6"
    & skf21("2","7","3","1","1","7","5","1") = "6"
    & skf21("2","7","3","1","1","7","6","1") = "6"
    & skf21("2","7","3","1","1","7","7","1") = "6"
    & skf21("2","7","3","1","2","1","1","1") = "6"
    & skf21("2","7","3","1","2","1","2","1") = "6"
    & skf21("2","7","3","1","2","1","3","1") = "6"
    & skf21("2","7","3","1","2","1","4","1") = "6"
    & skf21("2","7","3","1","2","1","5","1") = "6"
    & skf21("2","7","3","1","2","1","6","1") = "6"
    & skf21("2","7","3","1","2","1","7","1") = "6"
    & skf21("2","7","3","1","2","2","1","1") = "6"
    & skf21("2","7","3","1","2","2","2","1") = "6"
    & skf21("2","7","3","1","2","2","3","1") = "6"
    & skf21("2","7","3","1","2","2","4","1") = "6"
    & skf21("2","7","3","1","2","2","5","1") = "6"
    & skf21("2","7","3","1","2","2","6","1") = "6"
    & skf21("2","7","3","1","2","2","7","1") = "6"
    & skf21("2","7","3","1","2","3","1","1") = "6"
    & skf21("2","7","3","1","2","3","2","1") = "6"
    & skf21("2","7","3","1","2","3","3","1") = "6"
    & skf21("2","7","3","1","2","3","4","1") = "6"
    & skf21("2","7","3","1","2","3","5","1") = "6"
    & skf21("2","7","3","1","2","3","6","1") = "6"
    & skf21("2","7","3","1","2","3","7","1") = "6"
    & skf21("2","7","3","1","2","4","1","1") = "6"
    & skf21("2","7","3","1","2","4","2","1") = "6"
    & skf21("2","7","3","1","2","4","3","1") = "6"
    & skf21("2","7","3","1","2","4","4","1") = "6"
    & skf21("2","7","3","1","2","4","5","1") = "6"
    & skf21("2","7","3","1","2","4","6","1") = "6"
    & skf21("2","7","3","1","2","4","7","1") = "6"
    & skf21("2","7","3","1","2","5","1","1") = "6"
    & skf21("2","7","3","1","2","5","2","1") = "6"
    & skf21("2","7","3","1","2","5","3","1") = "6"
    & skf21("2","7","3","1","2","5","4","1") = "6"
    & skf21("2","7","3","1","2","5","5","1") = "6"
    & skf21("2","7","3","1","2","5","6","1") = "6"
    & skf21("2","7","3","1","2","5","7","1") = "6"
    & skf21("2","7","3","1","2","6","1","1") = "6"
    & skf21("2","7","3","1","2","6","2","1") = "6"
    & skf21("2","7","3","1","2","6","3","1") = "6"
    & skf21("2","7","3","1","2","6","4","1") = "6"
    & skf21("2","7","3","1","2","6","5","1") = "6"
    & skf21("2","7","3","1","2","6","6","1") = "6"
    & skf21("2","7","3","1","2","6","7","1") = "6"
    & skf21("2","7","3","1","2","7","1","1") = "6"
    & skf21("2","7","3","1","2","7","2","1") = "6"
    & skf21("2","7","3","1","2","7","3","1") = "6"
    & skf21("2","7","3","1","2","7","4","1") = "6"
    & skf21("2","7","3","1","2","7","5","1") = "6"
    & skf21("2","7","3","1","2","7","6","1") = "6"
    & skf21("2","7","3","1","2","7","7","1") = "6"
    & skf21("2","7","3","1","3","1","1","1") = "6"
    & skf21("2","7","3","1","3","1","2","1") = "6"
    & skf21("2","7","3","1","3","1","3","1") = "6"
    & skf21("2","7","3","1","3","1","4","1") = "6"
    & skf21("2","7","3","1","3","1","5","1") = "6"
    & skf21("2","7","3","1","3","1","6","1") = "6"
    & skf21("2","7","3","1","3","1","7","1") = "6"
    & skf21("2","7","3","1","3","2","1","1") = "6"
    & skf21("2","7","3","1","3","2","2","1") = "6"
    & skf21("2","7","3","1","3","2","3","1") = "6"
    & skf21("2","7","3","1","3","2","4","1") = "6"
    & skf21("2","7","3","1","3","2","5","1") = "6"
    & skf21("2","7","3","1","3","2","6","1") = "6"
    & skf21("2","7","3","1","3","2","7","1") = "6"
    & skf21("2","7","3","1","3","3","1","1") = "6"
    & skf21("2","7","3","1","3","3","2","1") = "6"
    & skf21("2","7","3","1","3","3","3","1") = "6"
    & skf21("2","7","3","1","3","3","4","1") = "6"
    & skf21("2","7","3","1","3","3","5","1") = "6"
    & skf21("2","7","3","1","3","3","6","1") = "6"
    & skf21("2","7","3","1","3","3","7","1") = "6"
    & skf21("2","7","3","1","3","4","1","1") = "6"
    & skf21("2","7","3","1","3","4","2","1") = "6"
    & skf21("2","7","3","1","3","4","3","1") = "6"
    & skf21("2","7","3","1","3","4","4","1") = "6"
    & skf21("2","7","3","1","3","4","5","1") = "6"
    & skf21("2","7","3","1","3","4","6","1") = "6"
    & skf21("2","7","3","1","3","4","7","1") = "6"
    & skf21("2","7","3","1","3","5","1","1") = "6"
    & skf21("2","7","3","1","3","5","2","1") = "6"
    & skf21("2","7","3","1","3","5","3","1") = "6"
    & skf21("2","7","3","1","3","5","4","1") = "6"
    & skf21("2","7","3","1","3","5","5","1") = "6"
    & skf21("2","7","3","1","3","5","6","1") = "6"
    & skf21("2","7","3","1","3","5","7","1") = "6"
    & skf21("2","7","3","1","3","6","1","1") = "6"
    & skf21("2","7","3","1","3","6","2","1") = "6"
    & skf21("2","7","3","1","3","6","3","1") = "6"
    & skf21("2","7","3","1","3","6","4","1") = "6"
    & skf21("2","7","3","1","3","6","5","1") = "6"
    & skf21("2","7","3","1","3","6","6","1") = "6"
    & skf21("2","7","3","1","3","6","7","1") = "6"
    & skf21("2","7","3","1","3","7","1","1") = "6"
    & skf21("2","7","3","1","3","7","2","1") = "6"
    & skf21("2","7","3","1","3","7","3","1") = "6"
    & skf21("2","7","3","1","3","7","4","1") = "6"
    & skf21("2","7","3","1","3","7","5","1") = "6"
    & skf21("2","7","3","1","3","7","6","1") = "6"
    & skf21("2","7","3","1","3","7","7","1") = "6"
    & skf21("2","7","3","1","4","1","1","1") = "6"
    & skf21("2","7","3","1","4","1","2","1") = "6"
    & skf21("2","7","3","1","4","1","3","1") = "6"
    & skf21("2","7","3","1","4","1","4","1") = "6"
    & skf21("2","7","3","1","4","1","5","1") = "6"
    & skf21("2","7","3","1","4","1","6","1") = "6"
    & skf21("2","7","3","1","4","1","7","1") = "6"
    & skf21("2","7","3","1","4","2","1","1") = "6"
    & skf21("2","7","3","1","4","2","2","1") = "6"
    & skf21("2","7","3","1","4","2","3","1") = "6"
    & skf21("2","7","3","1","4","2","4","1") = "6"
    & skf21("2","7","3","1","4","2","5","1") = "6"
    & skf21("2","7","3","1","4","2","6","1") = "6"
    & skf21("2","7","3","1","4","2","7","1") = "6"
    & skf21("2","7","3","1","4","3","1","1") = "6"
    & skf21("2","7","3","1","4","3","2","1") = "6"
    & skf21("2","7","3","1","4","3","3","1") = "6"
    & skf21("2","7","3","1","4","3","4","1") = "6"
    & skf21("2","7","3","1","4","3","5","1") = "6"
    & skf21("2","7","3","1","4","3","6","1") = "6"
    & skf21("2","7","3","1","4","3","7","1") = "6"
    & skf21("2","7","3","1","4","4","1","1") = "6"
    & skf21("2","7","3","1","4","4","2","1") = "6"
    & skf21("2","7","3","1","4","4","3","1") = "6"
    & skf21("2","7","3","1","4","4","4","1") = "6"
    & skf21("2","7","3","1","4","4","5","1") = "6"
    & skf21("2","7","3","1","4","4","6","1") = "6"
    & skf21("2","7","3","1","4","4","7","1") = "6"
    & skf21("2","7","3","1","4","5","1","1") = "6"
    & skf21("2","7","3","1","4","5","2","1") = "6"
    & skf21("2","7","3","1","4","5","3","1") = "6"
    & skf21("2","7","3","1","4","5","4","1") = "6"
    & skf21("2","7","3","1","4","5","5","1") = "6"
    & skf21("2","7","3","1","4","5","6","1") = "6"
    & skf21("2","7","3","1","4","5","7","1") = "6"
    & skf21("2","7","3","1","4","6","1","1") = "6"
    & skf21("2","7","3","1","4","6","2","1") = "6"
    & skf21("2","7","3","1","4","6","3","1") = "6"
    & skf21("2","7","3","1","4","6","4","1") = "6"
    & skf21("2","7","3","1","4","6","5","1") = "6"
    & skf21("2","7","3","1","4","6","6","1") = "6"
    & skf21("2","7","3","1","4","6","7","1") = "6"
    & skf21("2","7","3","1","4","7","1","1") = "6"
    & skf21("2","7","3","1","4","7","2","1") = "6"
    & skf21("2","7","3","1","4","7","3","1") = "6"
    & skf21("2","7","3","1","4","7","4","1") = "6"
    & skf21("2","7","3","1","4","7","5","1") = "6"
    & skf21("2","7","3","1","4","7","6","1") = "6"
    & skf21("2","7","3","1","4","7","7","1") = "6"
    & skf21("2","7","3","1","5","1","1","1") = "6"
    & skf21("2","7","3","1","5","1","2","1") = "6"
    & skf21("2","7","3","1","5","1","3","1") = "6"
    & skf21("2","7","3","1","5","1","4","1") = "6"
    & skf21("2","7","3","1","5","1","5","1") = "6"
    & skf21("2","7","3","1","5","1","6","1") = "6"
    & skf21("2","7","3","1","5","1","7","1") = "6"
    & skf21("2","7","3","1","5","2","1","1") = "6"
    & skf21("2","7","3","1","5","2","2","1") = "6"
    & skf21("2","7","3","1","5","2","3","1") = "6"
    & skf21("2","7","3","1","5","2","4","1") = "6"
    & skf21("2","7","3","1","5","2","5","1") = "6"
    & skf21("2","7","3","1","5","2","6","1") = "6"
    & skf21("2","7","3","1","5","2","7","1") = "6"
    & skf21("2","7","3","1","5","3","1","1") = "6"
    & skf21("2","7","3","1","5","3","2","1") = "6"
    & skf21("2","7","3","1","5","3","3","1") = "6"
    & skf21("2","7","3","1","5","3","4","1") = "6"
    & skf21("2","7","3","1","5","3","5","1") = "6"
    & skf21("2","7","3","1","5","3","6","1") = "6"
    & skf21("2","7","3","1","5","3","7","1") = "6"
    & skf21("2","7","3","1","5","4","1","1") = "6"
    & skf21("2","7","3","1","5","4","2","1") = "6"
    & skf21("2","7","3","1","5","4","3","1") = "6"
    & skf21("2","7","3","1","5","4","4","1") = "6"
    & skf21("2","7","3","1","5","4","5","1") = "6"
    & skf21("2","7","3","1","5","4","6","1") = "6"
    & skf21("2","7","3","1","5","4","7","1") = "6"
    & skf21("2","7","3","1","5","5","1","1") = "6"
    & skf21("2","7","3","1","5","5","2","1") = "6"
    & skf21("2","7","3","1","5","5","3","1") = "6"
    & skf21("2","7","3","1","5","5","4","1") = "6"
    & skf21("2","7","3","1","5","5","5","1") = "6"
    & skf21("2","7","3","1","5","5","6","1") = "6"
    & skf21("2","7","3","1","5","5","7","1") = "6"
    & skf21("2","7","3","1","5","6","1","1") = "6"
    & skf21("2","7","3","1","5","6","2","1") = "6"
    & skf21("2","7","3","1","5","6","3","1") = "6"
    & skf21("2","7","3","1","5","6","4","1") = "6"
    & skf21("2","7","3","1","5","6","5","1") = "6"
    & skf21("2","7","3","1","5","6","6","1") = "6"
    & skf21("2","7","3","1","5","6","7","1") = "6"
    & skf21("2","7","3","1","5","7","1","1") = "6"
    & skf21("2","7","3","1","5","7","2","1") = "6"
    & skf21("2","7","3","1","5","7","3","1") = "6"
    & skf21("2","7","3","1","5","7","4","1") = "6"
    & skf21("2","7","3","1","5","7","5","1") = "6"
    & skf21("2","7","3","1","5","7","6","1") = "6"
    & skf21("2","7","3","1","5","7","7","1") = "6"
    & skf21("2","7","3","1","6","1","1","1") = "6"
    & skf21("2","7","3","1","6","1","2","1") = "6"
    & skf21("2","7","3","1","6","1","3","1") = "6"
    & skf21("2","7","3","1","6","1","4","1") = "6"
    & skf21("2","7","3","1","6","1","5","1") = "6"
    & skf21("2","7","3","1","6","1","6","1") = "6"
    & skf21("2","7","3","1","6","1","7","1") = "6"
    & skf21("2","7","3","1","6","2","1","1") = "6"
    & skf21("2","7","3","1","6","2","2","1") = "6"
    & skf21("2","7","3","1","6","2","3","1") = "6"
    & skf21("2","7","3","1","6","2","4","1") = "6"
    & skf21("2","7","3","1","6","2","5","1") = "6"
    & skf21("2","7","3","1","6","2","6","1") = "6"
    & skf21("2","7","3","1","6","2","7","1") = "6"
    & skf21("2","7","3","1","6","3","1","1") = "6"
    & skf21("2","7","3","1","6","3","2","1") = "6"
    & skf21("2","7","3","1","6","3","3","1") = "6"
    & skf21("2","7","3","1","6","3","4","1") = "6"
    & skf21("2","7","3","1","6","3","5","1") = "6"
    & skf21("2","7","3","1","6","3","6","1") = "6"
    & skf21("2","7","3","1","6","3","7","1") = "6"
    & skf21("2","7","3","1","6","4","1","1") = "6"
    & skf21("2","7","3","1","6","4","2","1") = "6"
    & skf21("2","7","3","1","6","4","3","1") = "6"
    & skf21("2","7","3","1","6","4","4","1") = "6"
    & skf21("2","7","3","1","6","4","5","1") = "6"
    & skf21("2","7","3","1","6","4","6","1") = "6"
    & skf21("2","7","3","1","6","4","7","1") = "6"
    & skf21("2","7","3","1","6","5","1","1") = "6"
    & skf21("2","7","3","1","6","5","2","1") = "6"
    & skf21("2","7","3","1","6","5","3","1") = "6"
    & skf21("2","7","3","1","6","5","4","1") = "6"
    & skf21("2","7","3","1","6","5","5","1") = "6"
    & skf21("2","7","3","1","6","5","6","1") = "6"
    & skf21("2","7","3","1","6","5","7","1") = "6"
    & skf21("2","7","3","1","6","6","1","1") = "6"
    & skf21("2","7","3","1","6","6","2","1") = "6"
    & skf21("2","7","3","1","6","6","3","1") = "6"
    & skf21("2","7","3","1","6","6","4","1") = "6"
    & skf21("2","7","3","1","6","6","5","1") = "6"
    & skf21("2","7","3","1","6","6","6","1") = "6"
    & skf21("2","7","3","1","6","6","7","1") = "6"
    & skf21("2","7","3","1","6","7","1","1") = "6"
    & skf21("2","7","3","1","6","7","2","1") = "6"
    & skf21("2","7","3","1","6","7","3","1") = "6"
    & skf21("2","7","3","1","6","7","4","1") = "6"
    & skf21("2","7","3","1","6","7","5","1") = "6"
    & skf21("2","7","3","1","6","7","6","1") = "6"
    & skf21("2","7","3","1","6","7","7","1") = "6"
    & skf21("2","7","3","1","7","1","1","1") = "6"
    & skf21("2","7","3","1","7","1","2","1") = "6"
    & skf21("2","7","3","1","7","1","3","1") = "6"
    & skf21("2","7","3","1","7","1","4","1") = "6"
    & skf21("2","7","3","1","7","1","5","1") = "6"
    & skf21("2","7","3","1","7","1","6","1") = "6"
    & skf21("2","7","3","1","7","1","7","1") = "6"
    & skf21("2","7","3","1","7","2","1","1") = "6"
    & skf21("2","7","3","1","7","2","2","1") = "6"
    & skf21("2","7","3","1","7","2","3","1") = "6"
    & skf21("2","7","3","1","7","2","4","1") = "6"
    & skf21("2","7","3","1","7","2","5","1") = "6"
    & skf21("2","7","3","1","7","2","6","1") = "6"
    & skf21("2","7","3","1","7","2","7","1") = "6"
    & skf21("2","7","3","1","7","3","1","1") = "6"
    & skf21("2","7","3","1","7","3","2","1") = "6"
    & skf21("2","7","3","1","7","3","3","1") = "6"
    & skf21("2","7","3","1","7","3","4","1") = "6"
    & skf21("2","7","3","1","7","3","5","1") = "6"
    & skf21("2","7","3","1","7","3","6","1") = "6"
    & skf21("2","7","3","1","7","3","7","1") = "6"
    & skf21("2","7","3","1","7","4","1","1") = "6"
    & skf21("2","7","3","1","7","4","2","1") = "6"
    & skf21("2","7","3","1","7","4","3","1") = "6"
    & skf21("2","7","3","1","7","4","4","1") = "6"
    & skf21("2","7","3","1","7","4","5","1") = "6"
    & skf21("2","7","3","1","7","4","6","1") = "6"
    & skf21("2","7","3","1","7","4","7","1") = "6"
    & skf21("2","7","3","1","7","5","1","1") = "6"
    & skf21("2","7","3","1","7","5","2","1") = "6"
    & skf21("2","7","3","1","7","5","3","1") = "6"
    & skf21("2","7","3","1","7","5","4","1") = "6"
    & skf21("2","7","3","1","7","5","5","1") = "6"
    & skf21("2","7","3","1","7","5","6","1") = "6"
    & skf21("2","7","3","1","7","5","7","1") = "6"
    & skf21("2","7","3","1","7","6","1","1") = "6"
    & skf21("2","7","3","1","7","6","2","1") = "6"
    & skf21("2","7","3","1","7","6","3","1") = "6"
    & skf21("2","7","3","1","7","6","4","1") = "6"
    & skf21("2","7","3","1","7","6","5","1") = "6"
    & skf21("2","7","3","1","7","6","6","1") = "6"
    & skf21("2","7","3","1","7","6","7","1") = "6"
    & skf21("2","7","3","1","7","7","1","1") = "6"
    & skf21("2","7","3","1","7","7","2","1") = "6"
    & skf21("2","7","3","1","7","7","3","1") = "6"
    & skf21("2","7","3","1","7","7","4","1") = "6"
    & skf21("2","7","3","1","7","7","5","1") = "6"
    & skf21("2","7","3","1","7","7","6","1") = "6"
    & skf21("2","7","3","1","7","7","7","1") = "6"
    & skf21("2","7","3","2","1","1","1","1") = "6"
    & skf21("2","7","3","2","1","1","2","1") = "6"
    & skf21("2","7","3","2","1","1","3","1") = "6"
    & skf21("2","7","3","2","1","1","4","1") = "6"
    & skf21("2","7","3","2","1","1","5","1") = "6"
    & skf21("2","7","3","2","1","1","6","1") = "6"
    & skf21("2","7","3","2","1","1","7","1") = "6"
    & skf21("2","7","3","2","1","2","1","1") = "6"
    & skf21("2","7","3","2","1","2","2","1") = "6"
    & skf21("2","7","3","2","1","2","3","1") = "6"
    & skf21("2","7","3","2","1","2","4","1") = "6"
    & skf21("2","7","3","2","1","2","5","1") = "6"
    & skf21("2","7","3","2","1","2","6","1") = "6"
    & skf21("2","7","3","2","1","2","7","1") = "6"
    & skf21("2","7","3","2","1","3","1","1") = "6"
    & skf21("2","7","3","2","1","3","2","1") = "6"
    & skf21("2","7","3","2","1","3","3","1") = "6"
    & skf21("2","7","3","2","1","3","4","1") = "6"
    & skf21("2","7","3","2","1","3","5","1") = "6"
    & skf21("2","7","3","2","1","3","6","1") = "6"
    & skf21("2","7","3","2","1","3","7","1") = "6"
    & skf21("2","7","3","2","1","4","1","1") = "6"
    & skf21("2","7","3","2","1","4","2","1") = "6"
    & skf21("2","7","3","2","1","4","3","1") = "6"
    & skf21("2","7","3","2","1","4","4","1") = "6"
    & skf21("2","7","3","2","1","4","5","1") = "6"
    & skf21("2","7","3","2","1","4","6","1") = "6"
    & skf21("2","7","3","2","1","4","7","1") = "6"
    & skf21("2","7","3","2","1","5","1","1") = "6"
    & skf21("2","7","3","2","1","5","2","1") = "6"
    & skf21("2","7","3","2","1","5","3","1") = "6"
    & skf21("2","7","3","2","1","5","4","1") = "6"
    & skf21("2","7","3","2","1","5","5","1") = "6"
    & skf21("2","7","3","2","1","5","6","1") = "6"
    & skf21("2","7","3","2","1","5","7","1") = "6"
    & skf21("2","7","3","2","1","6","1","1") = "6"
    & skf21("2","7","3","2","1","6","2","1") = "6"
    & skf21("2","7","3","2","1","6","3","1") = "6"
    & skf21("2","7","3","2","1","6","4","1") = "6"
    & skf21("2","7","3","2","1","6","5","1") = "6"
    & skf21("2","7","3","2","1","6","6","1") = "6"
    & skf21("2","7","3","2","1","6","7","1") = "6"
    & skf21("2","7","3","2","1","7","1","1") = "6"
    & skf21("2","7","3","2","1","7","2","1") = "6"
    & skf21("2","7","3","2","1","7","3","1") = "6"
    & skf21("2","7","3","2","1","7","4","1") = "6"
    & skf21("2","7","3","2","1","7","5","1") = "6"
    & skf21("2","7","3","2","1","7","6","1") = "6"
    & skf21("2","7","3","2","1","7","7","1") = "6"
    & skf21("2","7","3","2","2","1","1","1") = "6"
    & skf21("2","7","3","2","2","1","2","1") = "6"
    & skf21("2","7","3","2","2","1","3","1") = "6"
    & skf21("2","7","3","2","2","1","4","1") = "6"
    & skf21("2","7","3","2","2","1","5","1") = "6"
    & skf21("2","7","3","2","2","1","6","1") = "6"
    & skf21("2","7","3","2","2","1","7","1") = "6"
    & skf21("2","7","3","2","2","2","1","1") = "6"
    & skf21("2","7","3","2","2","2","2","1") = "6"
    & skf21("2","7","3","2","2","2","3","1") = "6"
    & skf21("2","7","3","2","2","2","4","1") = "6"
    & skf21("2","7","3","2","2","2","5","1") = "6"
    & skf21("2","7","3","2","2","2","6","1") = "6"
    & skf21("2","7","3","2","2","2","7","1") = "6"
    & skf21("2","7","3","2","2","3","1","1") = "6"
    & skf21("2","7","3","2","2","3","2","1") = "6"
    & skf21("2","7","3","2","2","3","3","1") = "6"
    & skf21("2","7","3","2","2","3","4","1") = "6"
    & skf21("2","7","3","2","2","3","5","1") = "6"
    & skf21("2","7","3","2","2","3","6","1") = "6"
    & skf21("2","7","3","2","2","3","7","1") = "6"
    & skf21("2","7","3","2","2","4","1","1") = "6"
    & skf21("2","7","3","2","2","4","2","1") = "6"
    & skf21("2","7","3","2","2","4","3","1") = "6"
    & skf21("2","7","3","2","2","4","4","1") = "6"
    & skf21("2","7","3","2","2","4","5","1") = "6"
    & skf21("2","7","3","2","2","4","6","1") = "6"
    & skf21("2","7","3","2","2","4","7","1") = "6"
    & skf21("2","7","3","2","2","5","1","1") = "6"
    & skf21("2","7","3","2","2","5","2","1") = "6"
    & skf21("2","7","3","2","2","5","3","1") = "6"
    & skf21("2","7","3","2","2","5","4","1") = "6"
    & skf21("2","7","3","2","2","5","5","1") = "6"
    & skf21("2","7","3","2","2","5","6","1") = "6"
    & skf21("2","7","3","2","2","5","7","1") = "6"
    & skf21("2","7","3","2","2","6","1","1") = "6"
    & skf21("2","7","3","2","2","6","2","1") = "6"
    & skf21("2","7","3","2","2","6","3","1") = "6"
    & skf21("2","7","3","2","2","6","4","1") = "6"
    & skf21("2","7","3","2","2","6","5","1") = "6"
    & skf21("2","7","3","2","2","6","6","1") = "6"
    & skf21("2","7","3","2","2","6","7","1") = "6"
    & skf21("2","7","3","2","2","7","1","1") = "6"
    & skf21("2","7","3","2","2","7","2","1") = "6"
    & skf21("2","7","3","2","2","7","3","1") = "6"
    & skf21("2","7","3","2","2","7","4","1") = "6"
    & skf21("2","7","3","2","2","7","5","1") = "6"
    & skf21("2","7","3","2","2","7","6","1") = "6"
    & skf21("2","7","3","2","2","7","7","1") = "6"
    & skf21("2","7","3","2","3","1","1","1") = "6"
    & skf21("2","7","3","2","3","1","2","1") = "6"
    & skf21("2","7","3","2","3","1","3","1") = "6"
    & skf21("2","7","3","2","3","1","4","1") = "6"
    & skf21("2","7","3","2","3","1","5","1") = "6"
    & skf21("2","7","3","2","3","1","6","1") = "6"
    & skf21("2","7","3","2","3","1","7","1") = "6"
    & skf21("2","7","3","2","3","2","1","1") = "6"
    & skf21("2","7","3","2","3","2","2","1") = "6"
    & skf21("2","7","3","2","3","2","3","1") = "6"
    & skf21("2","7","3","2","3","2","4","1") = "6"
    & skf21("2","7","3","2","3","2","5","1") = "6"
    & skf21("2","7","3","2","3","2","6","1") = "6"
    & skf21("2","7","3","2","3","2","7","1") = "6"
    & skf21("2","7","3","2","3","3","1","1") = "6"
    & skf21("2","7","3","2","3","3","2","1") = "6"
    & skf21("2","7","3","2","3","3","3","1") = "6"
    & skf21("2","7","3","2","3","3","4","1") = "6"
    & skf21("2","7","3","2","3","3","5","1") = "6"
    & skf21("2","7","3","2","3","3","6","1") = "6"
    & skf21("2","7","3","2","3","3","7","1") = "6"
    & skf21("2","7","3","2","3","4","1","1") = "6"
    & skf21("2","7","3","2","3","4","2","1") = "6"
    & skf21("2","7","3","2","3","4","3","1") = "6"
    & skf21("2","7","3","2","3","4","4","1") = "6"
    & skf21("2","7","3","2","3","4","5","1") = "6"
    & skf21("2","7","3","2","3","4","6","1") = "6"
    & skf21("2","7","3","2","3","4","7","1") = "6"
    & skf21("2","7","3","2","3","5","1","1") = "6"
    & skf21("2","7","3","2","3","5","2","1") = "6"
    & skf21("2","7","3","2","3","5","3","1") = "6"
    & skf21("2","7","3","2","3","5","4","1") = "6"
    & skf21("2","7","3","2","3","5","5","1") = "6"
    & skf21("2","7","3","2","3","5","6","1") = "6"
    & skf21("2","7","3","2","3","5","7","1") = "6"
    & skf21("2","7","3","2","3","6","1","1") = "6"
    & skf21("2","7","3","2","3","6","2","1") = "6"
    & skf21("2","7","3","2","3","6","3","1") = "6"
    & skf21("2","7","3","2","3","6","4","1") = "6"
    & skf21("2","7","3","2","3","6","5","1") = "6"
    & skf21("2","7","3","2","3","6","6","1") = "6"
    & skf21("2","7","3","2","3","6","7","1") = "6"
    & skf21("2","7","3","2","3","7","1","1") = "6"
    & skf21("2","7","3","2","3","7","2","1") = "6"
    & skf21("2","7","3","2","3","7","3","1") = "6"
    & skf21("2","7","3","2","3","7","4","1") = "6"
    & skf21("2","7","3","2","3","7","5","1") = "6"
    & skf21("2","7","3","2","3","7","6","1") = "6"
    & skf21("2","7","3","2","3","7","7","1") = "6"
    & skf21("2","7","3","2","4","1","1","1") = "6"
    & skf21("2","7","3","2","4","1","2","1") = "6"
    & skf21("2","7","3","2","4","1","3","1") = "6"
    & skf21("2","7","3","2","4","1","4","1") = "6"
    & skf21("2","7","3","2","4","1","5","1") = "6"
    & skf21("2","7","3","2","4","1","6","1") = "6"
    & skf21("2","7","3","2","4","1","7","1") = "6"
    & skf21("2","7","3","2","4","2","1","1") = "6"
    & skf21("2","7","3","2","4","2","2","1") = "6"
    & skf21("2","7","3","2","4","2","3","1") = "6"
    & skf21("2","7","3","2","4","2","4","1") = "6"
    & skf21("2","7","3","2","4","2","5","1") = "6"
    & skf21("2","7","3","2","4","2","6","1") = "6"
    & skf21("2","7","3","2","4","2","7","1") = "6"
    & skf21("2","7","3","2","4","3","1","1") = "6"
    & skf21("2","7","3","2","4","3","2","1") = "6"
    & skf21("2","7","3","2","4","3","3","1") = "6"
    & skf21("2","7","3","2","4","3","4","1") = "6"
    & skf21("2","7","3","2","4","3","5","1") = "6"
    & skf21("2","7","3","2","4","3","6","1") = "6"
    & skf21("2","7","3","2","4","3","7","1") = "6"
    & skf21("2","7","3","2","4","4","1","1") = "6"
    & skf21("2","7","3","2","4","4","2","1") = "6"
    & skf21("2","7","3","2","4","4","3","1") = "6"
    & skf21("2","7","3","2","4","4","4","1") = "6"
    & skf21("2","7","3","2","4","4","5","1") = "6"
    & skf21("2","7","3","2","4","4","6","1") = "6"
    & skf21("2","7","3","2","4","4","7","1") = "6"
    & skf21("2","7","3","2","4","5","1","1") = "6"
    & skf21("2","7","3","2","4","5","2","1") = "6"
    & skf21("2","7","3","2","4","5","3","1") = "6"
    & skf21("2","7","3","2","4","5","4","1") = "6"
    & skf21("2","7","3","2","4","5","5","1") = "6"
    & skf21("2","7","3","2","4","5","6","1") = "6"
    & skf21("2","7","3","2","4","5","7","1") = "6"
    & skf21("2","7","3","2","4","6","1","1") = "6"
    & skf21("2","7","3","2","4","6","2","1") = "6"
    & skf21("2","7","3","2","4","6","3","1") = "6"
    & skf21("2","7","3","2","4","6","4","1") = "6"
    & skf21("2","7","3","2","4","6","5","1") = "6"
    & skf21("2","7","3","2","4","6","6","1") = "6"
    & skf21("2","7","3","2","4","6","7","1") = "6"
    & skf21("2","7","3","2","4","7","1","1") = "6"
    & skf21("2","7","3","2","4","7","2","1") = "6"
    & skf21("2","7","3","2","4","7","3","1") = "6"
    & skf21("2","7","3","2","4","7","4","1") = "6"
    & skf21("2","7","3","2","4","7","5","1") = "6"
    & skf21("2","7","3","2","4","7","6","1") = "6"
    & skf21("2","7","3","2","4","7","7","1") = "6"
    & skf21("2","7","3","2","5","1","1","1") = "6"
    & skf21("2","7","3","2","5","1","2","1") = "6"
    & skf21("2","7","3","2","5","1","3","1") = "6"
    & skf21("2","7","3","2","5","1","4","1") = "6"
    & skf21("2","7","3","2","5","1","5","1") = "6"
    & skf21("2","7","3","2","5","1","6","1") = "6"
    & skf21("2","7","3","2","5","1","7","1") = "6"
    & skf21("2","7","3","2","5","2","1","1") = "6"
    & skf21("2","7","3","2","5","2","2","1") = "6"
    & skf21("2","7","3","2","5","2","3","1") = "6"
    & skf21("2","7","3","2","5","2","4","1") = "6"
    & skf21("2","7","3","2","5","2","5","1") = "6"
    & skf21("2","7","3","2","5","2","6","1") = "6"
    & skf21("2","7","3","2","5","2","7","1") = "6"
    & skf21("2","7","3","2","5","3","1","1") = "6"
    & skf21("2","7","3","2","5","3","2","1") = "6"
    & skf21("2","7","3","2","5","3","3","1") = "6"
    & skf21("2","7","3","2","5","3","4","1") = "6"
    & skf21("2","7","3","2","5","3","5","1") = "6"
    & skf21("2","7","3","2","5","3","6","1") = "6"
    & skf21("2","7","3","2","5","3","7","1") = "6"
    & skf21("2","7","3","2","5","4","1","1") = "6"
    & skf21("2","7","3","2","5","4","2","1") = "6"
    & skf21("2","7","3","2","5","4","3","1") = "6"
    & skf21("2","7","3","2","5","4","4","1") = "6"
    & skf21("2","7","3","2","5","4","5","1") = "6"
    & skf21("2","7","3","2","5","4","6","1") = "6"
    & skf21("2","7","3","2","5","4","7","1") = "6"
    & skf21("2","7","3","2","5","5","1","1") = "6"
    & skf21("2","7","3","2","5","5","2","1") = "6"
    & skf21("2","7","3","2","5","5","3","1") = "6"
    & skf21("2","7","3","2","5","5","4","1") = "6"
    & skf21("2","7","3","2","5","5","5","1") = "6"
    & skf21("2","7","3","2","5","5","6","1") = "6"
    & skf21("2","7","3","2","5","5","7","1") = "6"
    & skf21("2","7","3","2","5","6","1","1") = "6"
    & skf21("2","7","3","2","5","6","2","1") = "6"
    & skf21("2","7","3","2","5","6","3","1") = "6"
    & skf21("2","7","3","2","5","6","4","1") = "6"
    & skf21("2","7","3","2","5","6","5","1") = "6"
    & skf21("2","7","3","2","5","6","6","1") = "6"
    & skf21("2","7","3","2","5","6","7","1") = "6"
    & skf21("2","7","3","2","5","7","1","1") = "6"
    & skf21("2","7","3","2","5","7","2","1") = "6"
    & skf21("2","7","3","2","5","7","3","1") = "6"
    & skf21("2","7","3","2","5","7","4","1") = "6"
    & skf21("2","7","3","2","5","7","5","1") = "6"
    & skf21("2","7","3","2","5","7","6","1") = "6"
    & skf21("2","7","3","2","5","7","7","1") = "6"
    & skf21("2","7","3","2","6","1","1","1") = "6"
    & skf21("2","7","3","2","6","1","2","1") = "6"
    & skf21("2","7","3","2","6","1","3","1") = "6"
    & skf21("2","7","3","2","6","1","4","1") = "6"
    & skf21("2","7","3","2","6","1","5","1") = "6"
    & skf21("2","7","3","2","6","1","6","1") = "6"
    & skf21("2","7","3","2","6","1","7","1") = "6"
    & skf21("2","7","3","2","6","2","1","1") = "6"
    & skf21("2","7","3","2","6","2","2","1") = "6"
    & skf21("2","7","3","2","6","2","3","1") = "6"
    & skf21("2","7","3","2","6","2","4","1") = "6"
    & skf21("2","7","3","2","6","2","5","1") = "6"
    & skf21("2","7","3","2","6","2","6","1") = "6"
    & skf21("2","7","3","2","6","2","7","1") = "6"
    & skf21("2","7","3","2","6","3","1","1") = "6"
    & skf21("2","7","3","2","6","3","2","1") = "6"
    & skf21("2","7","3","2","6","3","3","1") = "6"
    & skf21("2","7","3","2","6","3","4","1") = "6"
    & skf21("2","7","3","2","6","3","5","1") = "6"
    & skf21("2","7","3","2","6","3","6","1") = "6"
    & skf21("2","7","3","2","6","3","7","1") = "6"
    & skf21("2","7","3","2","6","4","1","1") = "6"
    & skf21("2","7","3","2","6","4","2","1") = "6"
    & skf21("2","7","3","2","6","4","3","1") = "6"
    & skf21("2","7","3","2","6","4","4","1") = "6"
    & skf21("2","7","3","2","6","4","5","1") = "6"
    & skf21("2","7","3","2","6","4","6","1") = "6"
    & skf21("2","7","3","2","6","4","7","1") = "6"
    & skf21("2","7","3","2","6","5","1","1") = "6"
    & skf21("2","7","3","2","6","5","2","1") = "6"
    & skf21("2","7","3","2","6","5","3","1") = "6"
    & skf21("2","7","3","2","6","5","4","1") = "6"
    & skf21("2","7","3","2","6","5","5","1") = "6"
    & skf21("2","7","3","2","6","5","6","1") = "6"
    & skf21("2","7","3","2","6","5","7","1") = "6"
    & skf21("2","7","3","2","6","6","1","1") = "6"
    & skf21("2","7","3","2","6","6","2","1") = "6"
    & skf21("2","7","3","2","6","6","3","1") = "6"
    & skf21("2","7","3","2","6","6","4","1") = "6"
    & skf21("2","7","3","2","6","6","5","1") = "6"
    & skf21("2","7","3","2","6","6","6","1") = "6"
    & skf21("2","7","3","2","6","6","7","1") = "6"
    & skf21("2","7","3","2","6","7","1","1") = "6"
    & skf21("2","7","3","2","6","7","2","1") = "6"
    & skf21("2","7","3","2","6","7","3","1") = "6"
    & skf21("2","7","3","2","6","7","4","1") = "6"
    & skf21("2","7","3","2","6","7","5","1") = "6"
    & skf21("2","7","3","2","6","7","6","1") = "6"
    & skf21("2","7","3","2","6","7","7","1") = "6"
    & skf21("2","7","3","2","7","1","1","1") = "6"
    & skf21("2","7","3","2","7","1","2","1") = "6"
    & skf21("2","7","3","2","7","1","3","1") = "6"
    & skf21("2","7","3","2","7","1","4","1") = "6"
    & skf21("2","7","3","2","7","1","5","1") = "6"
    & skf21("2","7","3","2","7","1","6","1") = "6"
    & skf21("2","7","3","2","7","1","7","1") = "6"
    & skf21("2","7","3","2","7","2","1","1") = "6"
    & skf21("2","7","3","2","7","2","2","1") = "6"
    & skf21("2","7","3","2","7","2","3","1") = "6"
    & skf21("2","7","3","2","7","2","4","1") = "6"
    & skf21("2","7","3","2","7","2","5","1") = "6"
    & skf21("2","7","3","2","7","2","6","1") = "6"
    & skf21("2","7","3","2","7","2","7","1") = "6"
    & skf21("2","7","3","2","7","3","1","1") = "6"
    & skf21("2","7","3","2","7","3","2","1") = "6"
    & skf21("2","7","3","2","7","3","3","1") = "6"
    & skf21("2","7","3","2","7","3","4","1") = "6"
    & skf21("2","7","3","2","7","3","5","1") = "6"
    & skf21("2","7","3","2","7","3","6","1") = "6"
    & skf21("2","7","3","2","7","3","7","1") = "6"
    & skf21("2","7","3","2","7","4","1","1") = "6"
    & skf21("2","7","3","2","7","4","2","1") = "6"
    & skf21("2","7","3","2","7","4","3","1") = "6"
    & skf21("2","7","3","2","7","4","4","1") = "6"
    & skf21("2","7","3","2","7","4","5","1") = "6"
    & skf21("2","7","3","2","7","4","6","1") = "6"
    & skf21("2","7","3","2","7","4","7","1") = "6"
    & skf21("2","7","3","2","7","5","1","1") = "6"
    & skf21("2","7","3","2","7","5","2","1") = "6"
    & skf21("2","7","3","2","7","5","3","1") = "6"
    & skf21("2","7","3","2","7","5","4","1") = "6"
    & skf21("2","7","3","2","7","5","5","1") = "6"
    & skf21("2","7","3","2","7","5","6","1") = "6"
    & skf21("2","7","3","2","7","5","7","1") = "6"
    & skf21("2","7","3","2","7","6","1","1") = "6"
    & skf21("2","7","3","2","7","6","2","1") = "6"
    & skf21("2","7","3","2","7","6","3","1") = "6"
    & skf21("2","7","3","2","7","6","4","1") = "6"
    & skf21("2","7","3","2","7","6","5","1") = "6"
    & skf21("2","7","3","2","7","6","6","1") = "6"
    & skf21("2","7","3","2","7","6","7","1") = "6"
    & skf21("2","7","3","2","7","7","1","1") = "6"
    & skf21("2","7","3","2","7","7","2","1") = "6"
    & skf21("2","7","3","2","7","7","3","1") = "6"
    & skf21("2","7","3","2","7","7","4","1") = "6"
    & skf21("2","7","3","2","7","7","5","1") = "6"
    & skf21("2","7","3","2","7","7","6","1") = "6"
    & skf21("2","7","3","2","7","7","7","1") = "6"
    & skf21("2","7","3","3","1","1","1","1") = "6"
    & skf21("2","7","3","3","1","1","2","1") = "6"
    & skf21("2","7","3","3","1","1","3","1") = "6"
    & skf21("2","7","3","3","1","1","4","1") = "6"
    & skf21("2","7","3","3","1","1","5","1") = "6"
    & skf21("2","7","3","3","1","1","6","1") = "6"
    & skf21("2","7","3","3","1","1","7","1") = "6"
    & skf21("2","7","3","3","1","2","1","1") = "6"
    & skf21("2","7","3","3","1","2","2","1") = "6"
    & skf21("2","7","3","3","1","2","3","1") = "6"
    & skf21("2","7","3","3","1","2","4","1") = "6"
    & skf21("2","7","3","3","1","2","5","1") = "6"
    & skf21("2","7","3","3","1","2","6","1") = "6"
    & skf21("2","7","3","3","1","2","7","1") = "6"
    & skf21("2","7","3","3","1","3","1","1") = "6"
    & skf21("2","7","3","3","1","3","2","1") = "6"
    & skf21("2","7","3","3","1","3","3","1") = "6"
    & skf21("2","7","3","3","1","3","4","1") = "6"
    & skf21("2","7","3","3","1","3","5","1") = "6"
    & skf21("2","7","3","3","1","3","6","1") = "6"
    & skf21("2","7","3","3","1","3","7","1") = "6"
    & skf21("2","7","3","3","1","4","1","1") = "6"
    & skf21("2","7","3","3","1","4","2","1") = "6"
    & skf21("2","7","3","3","1","4","3","1") = "6"
    & skf21("2","7","3","3","1","4","4","1") = "6"
    & skf21("2","7","3","3","1","4","5","1") = "6"
    & skf21("2","7","3","3","1","4","6","1") = "6"
    & skf21("2","7","3","3","1","4","7","1") = "6"
    & skf21("2","7","3","3","1","5","1","1") = "6"
    & skf21("2","7","3","3","1","5","2","1") = "6"
    & skf21("2","7","3","3","1","5","3","1") = "6"
    & skf21("2","7","3","3","1","5","4","1") = "6"
    & skf21("2","7","3","3","1","5","5","1") = "6"
    & skf21("2","7","3","3","1","5","6","1") = "6"
    & skf21("2","7","3","3","1","5","7","1") = "6"
    & skf21("2","7","3","3","1","6","1","1") = "6"
    & skf21("2","7","3","3","1","6","2","1") = "6"
    & skf21("2","7","3","3","1","6","3","1") = "6"
    & skf21("2","7","3","3","1","6","4","1") = "6"
    & skf21("2","7","3","3","1","6","5","1") = "6"
    & skf21("2","7","3","3","1","6","6","1") = "6"
    & skf21("2","7","3","3","1","6","7","1") = "6"
    & skf21("2","7","3","3","1","7","1","1") = "6"
    & skf21("2","7","3","3","1","7","2","1") = "6"
    & skf21("2","7","3","3","1","7","3","1") = "6"
    & skf21("2","7","3","3","1","7","4","1") = "6"
    & skf21("2","7","3","3","1","7","5","1") = "6"
    & skf21("2","7","3","3","1","7","6","1") = "6"
    & skf21("2","7","3","3","1","7","7","1") = "6"
    & skf21("2","7","3","3","2","1","1","1") = "6"
    & skf21("2","7","3","3","2","1","2","1") = "6"
    & skf21("2","7","3","3","2","1","3","1") = "6"
    & skf21("2","7","3","3","2","1","4","1") = "6"
    & skf21("2","7","3","3","2","1","5","1") = "6"
    & skf21("2","7","3","3","2","1","6","1") = "6"
    & skf21("2","7","3","3","2","1","7","1") = "6"
    & skf21("2","7","3","3","2","2","1","1") = "6"
    & skf21("2","7","3","3","2","2","2","1") = "6"
    & skf21("2","7","3","3","2","2","3","1") = "6"
    & skf21("2","7","3","3","2","2","4","1") = "6"
    & skf21("2","7","3","3","2","2","5","1") = "6"
    & skf21("2","7","3","3","2","2","6","1") = "6"
    & skf21("2","7","3","3","2","2","7","1") = "6"
    & skf21("2","7","3","3","2","3","1","1") = "6"
    & skf21("2","7","3","3","2","3","2","1") = "6"
    & skf21("2","7","3","3","2","3","3","1") = "6"
    & skf21("2","7","3","3","2","3","4","1") = "6"
    & skf21("2","7","3","3","2","3","5","1") = "6"
    & skf21("2","7","3","3","2","3","6","1") = "6"
    & skf21("2","7","3","3","2","3","7","1") = "6"
    & skf21("2","7","3","3","2","4","1","1") = "6"
    & skf21("2","7","3","3","2","4","2","1") = "6"
    & skf21("2","7","3","3","2","4","3","1") = "6"
    & skf21("2","7","3","3","2","4","4","1") = "6"
    & skf21("2","7","3","3","2","4","5","1") = "6"
    & skf21("2","7","3","3","2","4","6","1") = "6"
    & skf21("2","7","3","3","2","4","7","1") = "6"
    & skf21("2","7","3","3","2","5","1","1") = "6"
    & skf21("2","7","3","3","2","5","2","1") = "6"
    & skf21("2","7","3","3","2","5","3","1") = "6"
    & skf21("2","7","3","3","2","5","4","1") = "6"
    & skf21("2","7","3","3","2","5","5","1") = "6"
    & skf21("2","7","3","3","2","5","6","1") = "6"
    & skf21("2","7","3","3","2","5","7","1") = "6"
    & skf21("2","7","3","3","2","6","1","1") = "6"
    & skf21("2","7","3","3","2","6","2","1") = "6"
    & skf21("2","7","3","3","2","6","3","1") = "6"
    & skf21("2","7","3","3","2","6","4","1") = "6"
    & skf21("2","7","3","3","2","6","5","1") = "6"
    & skf21("2","7","3","3","2","6","6","1") = "6"
    & skf21("2","7","3","3","2","6","7","1") = "6"
    & skf21("2","7","3","3","2","7","1","1") = "6"
    & skf21("2","7","3","3","2","7","2","1") = "6"
    & skf21("2","7","3","3","2","7","3","1") = "6"
    & skf21("2","7","3","3","2","7","4","1") = "6"
    & skf21("2","7","3","3","2","7","5","1") = "6"
    & skf21("2","7","3","3","2","7","6","1") = "6"
    & skf21("2","7","3","3","2","7","7","1") = "6"
    & skf21("2","7","3","3","3","1","1","1") = "6"
    & skf21("2","7","3","3","3","1","2","1") = "6"
    & skf21("2","7","3","3","3","1","3","1") = "6"
    & skf21("2","7","3","3","3","1","4","1") = "6"
    & skf21("2","7","3","3","3","1","5","1") = "6"
    & skf21("2","7","3","3","3","1","6","1") = "6"
    & skf21("2","7","3","3","3","1","7","1") = "6"
    & skf21("2","7","3","3","3","2","1","1") = "6"
    & skf21("2","7","3","3","3","2","2","1") = "6"
    & skf21("2","7","3","3","3","2","3","1") = "6"
    & skf21("2","7","3","3","3","2","4","1") = "6"
    & skf21("2","7","3","3","3","2","5","1") = "6"
    & skf21("2","7","3","3","3","2","6","1") = "6"
    & skf21("2","7","3","3","3","2","7","1") = "6"
    & skf21("2","7","3","3","3","3","1","1") = "6"
    & skf21("2","7","3","3","3","3","2","1") = "6"
    & skf21("2","7","3","3","3","3","3","1") = "6"
    & skf21("2","7","3","3","3","3","4","1") = "6"
    & skf21("2","7","3","3","3","3","5","1") = "6"
    & skf21("2","7","3","3","3","3","6","1") = "6"
    & skf21("2","7","3","3","3","3","7","1") = "6"
    & skf21("2","7","3","3","3","4","1","1") = "6"
    & skf21("2","7","3","3","3","4","2","1") = "6"
    & skf21("2","7","3","3","3","4","3","1") = "6"
    & skf21("2","7","3","3","3","4","4","1") = "6"
    & skf21("2","7","3","3","3","4","5","1") = "6"
    & skf21("2","7","3","3","3","4","6","1") = "6"
    & skf21("2","7","3","3","3","4","7","1") = "6"
    & skf21("2","7","3","3","3","5","1","1") = "6"
    & skf21("2","7","3","3","3","5","2","1") = "6"
    & skf21("2","7","3","3","3","5","3","1") = "6"
    & skf21("2","7","3","3","3","5","4","1") = "6"
    & skf21("2","7","3","3","3","5","5","1") = "6"
    & skf21("2","7","3","3","3","5","6","1") = "6"
    & skf21("2","7","3","3","3","5","7","1") = "6"
    & skf21("2","7","3","3","3","6","1","1") = "6"
    & skf21("2","7","3","3","3","6","2","1") = "6"
    & skf21("2","7","3","3","3","6","3","1") = "6"
    & skf21("2","7","3","3","3","6","4","1") = "6"
    & skf21("2","7","3","3","3","6","5","1") = "6"
    & skf21("2","7","3","3","3","6","6","1") = "6"
    & skf21("2","7","3","3","3","6","7","1") = "6"
    & skf21("2","7","3","3","3","7","1","1") = "6"
    & skf21("2","7","3","3","3","7","2","1") = "6"
    & skf21("2","7","3","3","3","7","3","1") = "6"
    & skf21("2","7","3","3","3","7","4","1") = "6"
    & skf21("2","7","3","3","3","7","5","1") = "6"
    & skf21("2","7","3","3","3","7","6","1") = "6"
    & skf21("2","7","3","3","3","7","7","1") = "6"
    & skf21("2","7","3","3","4","1","1","1") = "6"
    & skf21("2","7","3","3","4","1","2","1") = "6"
    & skf21("2","7","3","3","4","1","3","1") = "6"
    & skf21("2","7","3","3","4","1","4","1") = "6"
    & skf21("2","7","3","3","4","1","5","1") = "6"
    & skf21("2","7","3","3","4","1","6","1") = "6"
    & skf21("2","7","3","3","4","1","7","1") = "6"
    & skf21("2","7","3","3","4","2","1","1") = "6"
    & skf21("2","7","3","3","4","2","2","1") = "6"
    & skf21("2","7","3","3","4","2","3","1") = "6"
    & skf21("2","7","3","3","4","2","4","1") = "6"
    & skf21("2","7","3","3","4","2","5","1") = "6"
    & skf21("2","7","3","3","4","2","6","1") = "6"
    & skf21("2","7","3","3","4","2","7","1") = "6"
    & skf21("2","7","3","3","4","3","1","1") = "6"
    & skf21("2","7","3","3","4","3","2","1") = "6"
    & skf21("2","7","3","3","4","3","3","1") = "6"
    & skf21("2","7","3","3","4","3","4","1") = "6"
    & skf21("2","7","3","3","4","3","5","1") = "6"
    & skf21("2","7","3","3","4","3","6","1") = "6"
    & skf21("2","7","3","3","4","3","7","1") = "6"
    & skf21("2","7","3","3","4","4","1","1") = "6"
    & skf21("2","7","3","3","4","4","2","1") = "6"
    & skf21("2","7","3","3","4","4","3","1") = "6"
    & skf21("2","7","3","3","4","4","4","1") = "6"
    & skf21("2","7","3","3","4","4","5","1") = "6"
    & skf21("2","7","3","3","4","4","6","1") = "6"
    & skf21("2","7","3","3","4","4","7","1") = "6"
    & skf21("2","7","3","3","4","5","1","1") = "6"
    & skf21("2","7","3","3","4","5","2","1") = "6"
    & skf21("2","7","3","3","4","5","3","1") = "6"
    & skf21("2","7","3","3","4","5","4","1") = "6"
    & skf21("2","7","3","3","4","5","5","1") = "6"
    & skf21("2","7","3","3","4","5","6","1") = "6"
    & skf21("2","7","3","3","4","5","7","1") = "6"
    & skf21("2","7","3","3","4","6","1","1") = "6"
    & skf21("2","7","3","3","4","6","2","1") = "6"
    & skf21("2","7","3","3","4","6","3","1") = "6"
    & skf21("2","7","3","3","4","6","4","1") = "6"
    & skf21("2","7","3","3","4","6","5","1") = "6"
    & skf21("2","7","3","3","4","6","6","1") = "6"
    & skf21("2","7","3","3","4","6","7","1") = "6"
    & skf21("2","7","3","3","4","7","1","1") = "6"
    & skf21("2","7","3","3","4","7","2","1") = "6"
    & skf21("2","7","3","3","4","7","3","1") = "6"
    & skf21("2","7","3","3","4","7","4","1") = "6"
    & skf21("2","7","3","3","4","7","5","1") = "6"
    & skf21("2","7","3","3","4","7","6","1") = "6"
    & skf21("2","7","3","3","4","7","7","1") = "6"
    & skf21("2","7","3","3","5","1","1","1") = "6"
    & skf21("2","7","3","3","5","1","2","1") = "6"
    & skf21("2","7","3","3","5","1","3","1") = "6"
    & skf21("2","7","3","3","5","1","4","1") = "6"
    & skf21("2","7","3","3","5","1","5","1") = "6"
    & skf21("2","7","3","3","5","1","6","1") = "6"
    & skf21("2","7","3","3","5","1","7","1") = "6"
    & skf21("2","7","3","3","5","2","1","1") = "6"
    & skf21("2","7","3","3","5","2","2","1") = "6"
    & skf21("2","7","3","3","5","2","3","1") = "6"
    & skf21("2","7","3","3","5","2","4","1") = "6"
    & skf21("2","7","3","3","5","2","5","1") = "6"
    & skf21("2","7","3","3","5","2","6","1") = "6"
    & skf21("2","7","3","3","5","2","7","1") = "6"
    & skf21("2","7","3","3","5","3","1","1") = "6"
    & skf21("2","7","3","3","5","3","2","1") = "6"
    & skf21("2","7","3","3","5","3","3","1") = "6"
    & skf21("2","7","3","3","5","3","4","1") = "6"
    & skf21("2","7","3","3","5","3","5","1") = "6"
    & skf21("2","7","3","3","5","3","6","1") = "6"
    & skf21("2","7","3","3","5","3","7","1") = "6"
    & skf21("2","7","3","3","5","4","1","1") = "6"
    & skf21("2","7","3","3","5","4","2","1") = "6"
    & skf21("2","7","3","3","5","4","3","1") = "6"
    & skf21("2","7","3","3","5","4","4","1") = "6"
    & skf21("2","7","3","3","5","4","5","1") = "6"
    & skf21("2","7","3","3","5","4","6","1") = "6"
    & skf21("2","7","3","3","5","4","7","1") = "6"
    & skf21("2","7","3","3","5","5","1","1") = "6"
    & skf21("2","7","3","3","5","5","2","1") = "6"
    & skf21("2","7","3","3","5","5","3","1") = "6"
    & skf21("2","7","3","3","5","5","4","1") = "6"
    & skf21("2","7","3","3","5","5","5","1") = "6"
    & skf21("2","7","3","3","5","5","6","1") = "6"
    & skf21("2","7","3","3","5","5","7","1") = "6"
    & skf21("2","7","3","3","5","6","1","1") = "6"
    & skf21("2","7","3","3","5","6","2","1") = "6"
    & skf21("2","7","3","3","5","6","3","1") = "6"
    & skf21("2","7","3","3","5","6","4","1") = "6"
    & skf21("2","7","3","3","5","6","5","1") = "6"
    & skf21("2","7","3","3","5","6","6","1") = "6"
    & skf21("2","7","3","3","5","6","7","1") = "6"
    & skf21("2","7","3","3","5","7","1","1") = "6"
    & skf21("2","7","3","3","5","7","2","1") = "6"
    & skf21("2","7","3","3","5","7","3","1") = "6"
    & skf21("2","7","3","3","5","7","4","1") = "6"
    & skf21("2","7","3","3","5","7","5","1") = "6"
    & skf21("2","7","3","3","5","7","6","1") = "6"
    & skf21("2","7","3","3","5","7","7","1") = "6"
    & skf21("2","7","3","3","6","1","1","1") = "6"
    & skf21("2","7","3","3","6","1","2","1") = "6"
    & skf21("2","7","3","3","6","1","3","1") = "6"
    & skf21("2","7","3","3","6","1","4","1") = "6"
    & skf21("2","7","3","3","6","1","5","1") = "6"
    & skf21("2","7","3","3","6","1","6","1") = "6"
    & skf21("2","7","3","3","6","1","7","1") = "6"
    & skf21("2","7","3","3","6","2","1","1") = "6"
    & skf21("2","7","3","3","6","2","2","1") = "6"
    & skf21("2","7","3","3","6","2","3","1") = "6"
    & skf21("2","7","3","3","6","2","4","1") = "6"
    & skf21("2","7","3","3","6","2","5","1") = "6"
    & skf21("2","7","3","3","6","2","6","1") = "6"
    & skf21("2","7","3","3","6","2","7","1") = "6"
    & skf21("2","7","3","3","6","3","1","1") = "6"
    & skf21("2","7","3","3","6","3","2","1") = "6"
    & skf21("2","7","3","3","6","3","3","1") = "6"
    & skf21("2","7","3","3","6","3","4","1") = "6"
    & skf21("2","7","3","3","6","3","5","1") = "6"
    & skf21("2","7","3","3","6","3","6","1") = "6"
    & skf21("2","7","3","3","6","3","7","1") = "6"
    & skf21("2","7","3","3","6","4","1","1") = "6"
    & skf21("2","7","3","3","6","4","2","1") = "6"
    & skf21("2","7","3","3","6","4","3","1") = "6"
    & skf21("2","7","3","3","6","4","4","1") = "6"
    & skf21("2","7","3","3","6","4","5","1") = "6"
    & skf21("2","7","3","3","6","4","6","1") = "6"
    & skf21("2","7","3","3","6","4","7","1") = "6"
    & skf21("2","7","3","3","6","5","1","1") = "6"
    & skf21("2","7","3","3","6","5","2","1") = "6"
    & skf21("2","7","3","3","6","5","3","1") = "6"
    & skf21("2","7","3","3","6","5","4","1") = "6"
    & skf21("2","7","3","3","6","5","5","1") = "6"
    & skf21("2","7","3","3","6","5","6","1") = "6"
    & skf21("2","7","3","3","6","5","7","1") = "6"
    & skf21("2","7","3","3","6","6","1","1") = "6"
    & skf21("2","7","3","3","6","6","2","1") = "6"
    & skf21("2","7","3","3","6","6","3","1") = "6"
    & skf21("2","7","3","3","6","6","4","1") = "6"
    & skf21("2","7","3","3","6","6","5","1") = "6"
    & skf21("2","7","3","3","6","6","6","1") = "6"
    & skf21("2","7","3","3","6","6","7","1") = "6"
    & skf21("2","7","3","3","6","7","1","1") = "6"
    & skf21("2","7","3","3","6","7","2","1") = "6"
    & skf21("2","7","3","3","6","7","3","1") = "6"
    & skf21("2","7","3","3","6","7","4","1") = "6"
    & skf21("2","7","3","3","6","7","5","1") = "6"
    & skf21("2","7","3","3","6","7","6","1") = "6"
    & skf21("2","7","3","3","6","7","7","1") = "6"
    & skf21("2","7","3","3","7","1","1","1") = "6"
    & skf21("2","7","3","3","7","1","2","1") = "6"
    & skf21("2","7","3","3","7","1","3","1") = "6"
    & skf21("2","7","3","3","7","1","4","1") = "6"
    & skf21("2","7","3","3","7","1","5","1") = "6"
    & skf21("2","7","3","3","7","1","6","1") = "6"
    & skf21("2","7","3","3","7","1","7","1") = "6"
    & skf21("2","7","3","3","7","2","1","1") = "6"
    & skf21("2","7","3","3","7","2","2","1") = "6"
    & skf21("2","7","3","3","7","2","3","1") = "6"
    & skf21("2","7","3","3","7","2","4","1") = "6"
    & skf21("2","7","3","3","7","2","5","1") = "6"
    & skf21("2","7","3","3","7","2","6","1") = "6"
    & skf21("2","7","3","3","7","2","7","1") = "6"
    & skf21("2","7","3","3","7","3","1","1") = "6"
    & skf21("2","7","3","3","7","3","2","1") = "6"
    & skf21("2","7","3","3","7","3","3","1") = "6"
    & skf21("2","7","3","3","7","3","4","1") = "6"
    & skf21("2","7","3","3","7","3","5","1") = "6"
    & skf21("2","7","3","3","7","3","6","1") = "6"
    & skf21("2","7","3","3","7","3","7","1") = "6"
    & skf21("2","7","3","3","7","4","1","1") = "6"
    & skf21("2","7","3","3","7","4","2","1") = "6"
    & skf21("2","7","3","3","7","4","3","1") = "6"
    & skf21("2","7","3","3","7","4","4","1") = "6"
    & skf21("2","7","3","3","7","4","5","1") = "6"
    & skf21("2","7","3","3","7","4","6","1") = "6"
    & skf21("2","7","3","3","7","4","7","1") = "6"
    & skf21("2","7","3","3","7","5","1","1") = "6"
    & skf21("2","7","3","3","7","5","2","1") = "6"
    & skf21("2","7","3","3","7","5","3","1") = "6"
    & skf21("2","7","3","3","7","5","4","1") = "6"
    & skf21("2","7","3","3","7","5","5","1") = "6"
    & skf21("2","7","3","3","7","5","6","1") = "6"
    & skf21("2","7","3","3","7","5","7","1") = "6"
    & skf21("2","7","3","3","7","6","1","1") = "6"
    & skf21("2","7","3","3","7","6","2","1") = "6"
    & skf21("2","7","3","3","7","6","3","1") = "6"
    & skf21("2","7","3","3","7","6","4","1") = "6"
    & skf21("2","7","3","3","7","6","5","1") = "6"
    & skf21("2","7","3","3","7","6","6","1") = "6"
    & skf21("2","7","3","3","7","6","7","1") = "6"
    & skf21("2","7","3","3","7","7","1","1") = "6"
    & skf21("2","7","3","3","7","7","2","1") = "6"
    & skf21("2","7","3","3","7","7","3","1") = "6"
    & skf21("2","7","3","3","7","7","4","1") = "6"
    & skf21("2","7","3","3","7","7","5","1") = "6"
    & skf21("2","7","3","3","7","7","6","1") = "6"
    & skf21("2","7","3","3","7","7","7","1") = "6"
    & skf21("2","7","3","4","1","1","1","1") = "6"
    & skf21("2","7","3","4","1","1","2","1") = "6"
    & skf21("2","7","3","4","1","1","3","1") = "6"
    & skf21("2","7","3","4","1","1","4","1") = "6"
    & skf21("2","7","3","4","1","1","5","1") = "6"
    & skf21("2","7","3","4","1","1","6","1") = "6"
    & skf21("2","7","3","4","1","1","7","1") = "6"
    & skf21("2","7","3","4","1","2","1","1") = "6"
    & skf21("2","7","3","4","1","2","2","1") = "6"
    & skf21("2","7","3","4","1","2","3","1") = "6"
    & skf21("2","7","3","4","1","2","4","1") = "6"
    & skf21("2","7","3","4","1","2","5","1") = "6"
    & skf21("2","7","3","4","1","2","6","1") = "6"
    & skf21("2","7","3","4","1","2","7","1") = "6"
    & skf21("2","7","3","4","1","3","1","1") = "6"
    & skf21("2","7","3","4","1","3","2","1") = "6"
    & skf21("2","7","3","4","1","3","3","1") = "6"
    & skf21("2","7","3","4","1","3","4","1") = "6"
    & skf21("2","7","3","4","1","3","5","1") = "6"
    & skf21("2","7","3","4","1","3","6","1") = "6"
    & skf21("2","7","3","4","1","3","7","1") = "6"
    & skf21("2","7","3","4","1","4","1","1") = "6"
    & skf21("2","7","3","4","1","4","2","1") = "6"
    & skf21("2","7","3","4","1","4","3","1") = "6"
    & skf21("2","7","3","4","1","4","4","1") = "6"
    & skf21("2","7","3","4","1","4","5","1") = "6"
    & skf21("2","7","3","4","1","4","6","1") = "6"
    & skf21("2","7","3","4","1","4","7","1") = "6"
    & skf21("2","7","3","4","1","5","1","1") = "6"
    & skf21("2","7","3","4","1","5","2","1") = "6"
    & skf21("2","7","3","4","1","5","3","1") = "6"
    & skf21("2","7","3","4","1","5","4","1") = "6"
    & skf21("2","7","3","4","1","5","5","1") = "6"
    & skf21("2","7","3","4","1","5","6","1") = "6"
    & skf21("2","7","3","4","1","5","7","1") = "6"
    & skf21("2","7","3","4","1","6","1","1") = "6"
    & skf21("2","7","3","4","1","6","2","1") = "6"
    & skf21("2","7","3","4","1","6","3","1") = "6"
    & skf21("2","7","3","4","1","6","4","1") = "6"
    & skf21("2","7","3","4","1","6","5","1") = "6"
    & skf21("2","7","3","4","1","6","6","1") = "6"
    & skf21("2","7","3","4","1","6","7","1") = "6"
    & skf21("2","7","3","4","1","7","1","1") = "6"
    & skf21("2","7","3","4","1","7","2","1") = "6"
    & skf21("2","7","3","4","1","7","3","1") = "6"
    & skf21("2","7","3","4","1","7","4","1") = "6"
    & skf21("2","7","3","4","1","7","5","1") = "6"
    & skf21("2","7","3","4","1","7","6","1") = "6"
    & skf21("2","7","3","4","1","7","7","1") = "6"
    & skf21("2","7","3","4","2","1","1","1") = "6"
    & skf21("2","7","3","4","2","1","2","1") = "6"
    & skf21("2","7","3","4","2","1","3","1") = "6"
    & skf21("2","7","3","4","2","1","4","1") = "6"
    & skf21("2","7","3","4","2","1","5","1") = "6"
    & skf21("2","7","3","4","2","1","6","1") = "6"
    & skf21("2","7","3","4","2","1","7","1") = "6"
    & skf21("2","7","3","4","2","2","1","1") = "6"
    & skf21("2","7","3","4","2","2","2","1") = "6"
    & skf21("2","7","3","4","2","2","3","1") = "6"
    & skf21("2","7","3","4","2","2","4","1") = "6"
    & skf21("2","7","3","4","2","2","5","1") = "6"
    & skf21("2","7","3","4","2","2","6","1") = "6"
    & skf21("2","7","3","4","2","2","7","1") = "6"
    & skf21("2","7","3","4","2","3","1","1") = "6"
    & skf21("2","7","3","4","2","3","2","1") = "6"
    & skf21("2","7","3","4","2","3","3","1") = "6"
    & skf21("2","7","3","4","2","3","4","1") = "6"
    & skf21("2","7","3","4","2","3","5","1") = "6"
    & skf21("2","7","3","4","2","3","6","1") = "6"
    & skf21("2","7","3","4","2","3","7","1") = "6"
    & skf21("2","7","3","4","2","4","1","1") = "6"
    & skf21("2","7","3","4","2","4","2","1") = "6"
    & skf21("2","7","3","4","2","4","3","1") = "6"
    & skf21("2","7","3","4","2","4","4","1") = "6"
    & skf21("2","7","3","4","2","4","5","1") = "6"
    & skf21("2","7","3","4","2","4","6","1") = "6"
    & skf21("2","7","3","4","2","4","7","1") = "6"
    & skf21("2","7","3","4","2","5","1","1") = "6"
    & skf21("2","7","3","4","2","5","2","1") = "6"
    & skf21("2","7","3","4","2","5","3","1") = "6"
    & skf21("2","7","3","4","2","5","4","1") = "6"
    & skf21("2","7","3","4","2","5","5","1") = "6"
    & skf21("2","7","3","4","2","5","6","1") = "6"
    & skf21("2","7","3","4","2","5","7","1") = "6"
    & skf21("2","7","3","4","2","6","1","1") = "6"
    & skf21("2","7","3","4","2","6","2","1") = "6"
    & skf21("2","7","3","4","2","6","3","1") = "6"
    & skf21("2","7","3","4","2","6","4","1") = "6"
    & skf21("2","7","3","4","2","6","5","1") = "6"
    & skf21("2","7","3","4","2","6","6","1") = "6"
    & skf21("2","7","3","4","2","6","7","1") = "6"
    & skf21("2","7","3","4","2","7","1","1") = "6"
    & skf21("2","7","3","4","2","7","2","1") = "6"
    & skf21("2","7","3","4","2","7","3","1") = "6"
    & skf21("2","7","3","4","2","7","4","1") = "6"
    & skf21("2","7","3","4","2","7","5","1") = "6"
    & skf21("2","7","3","4","2","7","6","1") = "6"
    & skf21("2","7","3","4","2","7","7","1") = "6"
    & skf21("2","7","3","4","3","1","1","1") = "6"
    & skf21("2","7","3","4","3","1","2","1") = "6"
    & skf21("2","7","3","4","3","1","3","1") = "6"
    & skf21("2","7","3","4","3","1","4","1") = "6"
    & skf21("2","7","3","4","3","1","5","1") = "6"
    & skf21("2","7","3","4","3","1","6","1") = "6"
    & skf21("2","7","3","4","3","1","7","1") = "6"
    & skf21("2","7","3","4","3","2","1","1") = "6"
    & skf21("2","7","3","4","3","2","2","1") = "6"
    & skf21("2","7","3","4","3","2","3","1") = "6"
    & skf21("2","7","3","4","3","2","4","1") = "6"
    & skf21("2","7","3","4","3","2","5","1") = "6"
    & skf21("2","7","3","4","3","2","6","1") = "6"
    & skf21("2","7","3","4","3","2","7","1") = "6"
    & skf21("2","7","3","4","3","3","1","1") = "6"
    & skf21("2","7","3","4","3","3","2","1") = "6"
    & skf21("2","7","3","4","3","3","3","1") = "6"
    & skf21("2","7","3","4","3","3","4","1") = "6"
    & skf21("2","7","3","4","3","3","5","1") = "6"
    & skf21("2","7","3","4","3","3","6","1") = "6"
    & skf21("2","7","3","4","3","3","7","1") = "6"
    & skf21("2","7","3","4","3","4","1","1") = "6"
    & skf21("2","7","3","4","3","4","2","1") = "6"
    & skf21("2","7","3","4","3","4","3","1") = "6"
    & skf21("2","7","3","4","3","4","4","1") = "6"
    & skf21("2","7","3","4","3","4","5","1") = "6"
    & skf21("2","7","3","4","3","4","6","1") = "6"
    & skf21("2","7","3","4","3","4","7","1") = "6"
    & skf21("2","7","3","4","3","5","1","1") = "6"
    & skf21("2","7","3","4","3","5","2","1") = "6"
    & skf21("2","7","3","4","3","5","3","1") = "6"
    & skf21("2","7","3","4","3","5","4","1") = "6"
    & skf21("2","7","3","4","3","5","5","1") = "6"
    & skf21("2","7","3","4","3","5","6","1") = "6"
    & skf21("2","7","3","4","3","5","7","1") = "6"
    & skf21("2","7","3","4","3","6","1","1") = "6"
    & skf21("2","7","3","4","3","6","2","1") = "6"
    & skf21("2","7","3","4","3","6","3","1") = "6"
    & skf21("2","7","3","4","3","6","4","1") = "6"
    & skf21("2","7","3","4","3","6","5","1") = "6"
    & skf21("2","7","3","4","3","6","6","1") = "6"
    & skf21("2","7","3","4","3","6","7","1") = "6"
    & skf21("2","7","3","4","3","7","1","1") = "6"
    & skf21("2","7","3","4","3","7","2","1") = "6"
    & skf21("2","7","3","4","3","7","3","1") = "6"
    & skf21("2","7","3","4","3","7","4","1") = "6"
    & skf21("2","7","3","4","3","7","5","1") = "6"
    & skf21("2","7","3","4","3","7","6","1") = "6"
    & skf21("2","7","3","4","3","7","7","1") = "6"
    & skf21("2","7","3","4","4","1","1","1") = "6"
    & skf21("2","7","3","4","4","1","2","1") = "6"
    & skf21("2","7","3","4","4","1","3","1") = "6"
    & skf21("2","7","3","4","4","1","4","1") = "6"
    & skf21("2","7","3","4","4","1","5","1") = "6"
    & skf21("2","7","3","4","4","1","6","1") = "6"
    & skf21("2","7","3","4","4","1","7","1") = "6"
    & skf21("2","7","3","4","4","2","1","1") = "6"
    & skf21("2","7","3","4","4","2","2","1") = "6"
    & skf21("2","7","3","4","4","2","3","1") = "6"
    & skf21("2","7","3","4","4","2","4","1") = "6"
    & skf21("2","7","3","4","4","2","5","1") = "6"
    & skf21("2","7","3","4","4","2","6","1") = "6"
    & skf21("2","7","3","4","4","2","7","1") = "6"
    & skf21("2","7","3","4","4","3","1","1") = "6"
    & skf21("2","7","3","4","4","3","2","1") = "6"
    & skf21("2","7","3","4","4","3","3","1") = "6"
    & skf21("2","7","3","4","4","3","4","1") = "6"
    & skf21("2","7","3","4","4","3","5","1") = "6"
    & skf21("2","7","3","4","4","3","6","1") = "6"
    & skf21("2","7","3","4","4","3","7","1") = "6"
    & skf21("2","7","3","4","4","4","1","1") = "6"
    & skf21("2","7","3","4","4","4","2","1") = "6"
    & skf21("2","7","3","4","4","4","3","1") = "6"
    & skf21("2","7","3","4","4","4","4","1") = "6"
    & skf21("2","7","3","4","4","4","5","1") = "6"
    & skf21("2","7","3","4","4","4","6","1") = "6"
    & skf21("2","7","3","4","4","4","7","1") = "6"
    & skf21("2","7","3","4","4","5","1","1") = "6"
    & skf21("2","7","3","4","4","5","2","1") = "6"
    & skf21("2","7","3","4","4","5","3","1") = "6"
    & skf21("2","7","3","4","4","5","4","1") = "6"
    & skf21("2","7","3","4","4","5","5","1") = "6"
    & skf21("2","7","3","4","4","5","6","1") = "6"
    & skf21("2","7","3","4","4","5","7","1") = "6"
    & skf21("2","7","3","4","4","6","1","1") = "6"
    & skf21("2","7","3","4","4","6","2","1") = "6"
    & skf21("2","7","3","4","4","6","3","1") = "6"
    & skf21("2","7","3","4","4","6","4","1") = "6"
    & skf21("2","7","3","4","4","6","5","1") = "6"
    & skf21("2","7","3","4","4","6","6","1") = "6"
    & skf21("2","7","3","4","4","6","7","1") = "6"
    & skf21("2","7","3","4","4","7","1","1") = "6"
    & skf21("2","7","3","4","4","7","2","1") = "6"
    & skf21("2","7","3","4","4","7","3","1") = "6"
    & skf21("2","7","3","4","4","7","4","1") = "6"
    & skf21("2","7","3","4","4","7","5","1") = "6"
    & skf21("2","7","3","4","4","7","6","1") = "6"
    & skf21("2","7","3","4","4","7","7","1") = "6"
    & skf21("2","7","3","4","5","1","1","1") = "6"
    & skf21("2","7","3","4","5","1","2","1") = "6"
    & skf21("2","7","3","4","5","1","3","1") = "6"
    & skf21("2","7","3","4","5","1","4","1") = "6"
    & skf21("2","7","3","4","5","1","5","1") = "6"
    & skf21("2","7","3","4","5","1","6","1") = "6"
    & skf21("2","7","3","4","5","1","7","1") = "6"
    & skf21("2","7","3","4","5","2","1","1") = "6"
    & skf21("2","7","3","4","5","2","2","1") = "6"
    & skf21("2","7","3","4","5","2","3","1") = "6"
    & skf21("2","7","3","4","5","2","4","1") = "6"
    & skf21("2","7","3","4","5","2","5","1") = "6"
    & skf21("2","7","3","4","5","2","6","1") = "6"
    & skf21("2","7","3","4","5","2","7","1") = "6"
    & skf21("2","7","3","4","5","3","1","1") = "6"
    & skf21("2","7","3","4","5","3","2","1") = "6"
    & skf21("2","7","3","4","5","3","3","1") = "6"
    & skf21("2","7","3","4","5","3","4","1") = "6"
    & skf21("2","7","3","4","5","3","5","1") = "6"
    & skf21("2","7","3","4","5","3","6","1") = "6"
    & skf21("2","7","3","4","5","3","7","1") = "6"
    & skf21("2","7","3","4","5","4","1","1") = "6"
    & skf21("2","7","3","4","5","4","2","1") = "6"
    & skf21("2","7","3","4","5","4","3","1") = "6"
    & skf21("2","7","3","4","5","4","4","1") = "6"
    & skf21("2","7","3","4","5","4","5","1") = "6"
    & skf21("2","7","3","4","5","4","6","1") = "6"
    & skf21("2","7","3","4","5","4","7","1") = "6"
    & skf21("2","7","3","4","5","5","1","1") = "6"
    & skf21("2","7","3","4","5","5","2","1") = "6"
    & skf21("2","7","3","4","5","5","3","1") = "6"
    & skf21("2","7","3","4","5","5","4","1") = "6"
    & skf21("2","7","3","4","5","5","5","1") = "6"
    & skf21("2","7","3","4","5","5","6","1") = "6"
    & skf21("2","7","3","4","5","5","7","1") = "6"
    & skf21("2","7","3","4","5","6","1","1") = "6"
    & skf21("2","7","3","4","5","6","2","1") = "6"
    & skf21("2","7","3","4","5","6","3","1") = "6"
    & skf21("2","7","3","4","5","6","4","1") = "6"
    & skf21("2","7","3","4","5","6","5","1") = "6"
    & skf21("2","7","3","4","5","6","6","1") = "6"
    & skf21("2","7","3","4","5","6","7","1") = "6"
    & skf21("2","7","3","4","5","7","1","1") = "6"
    & skf21("2","7","3","4","5","7","2","1") = "6"
    & skf21("2","7","3","4","5","7","3","1") = "6"
    & skf21("2","7","3","4","5","7","4","1") = "6"
    & skf21("2","7","3","4","5","7","5","1") = "6"
    & skf21("2","7","3","4","5","7","6","1") = "6"
    & skf21("2","7","3","4","5","7","7","1") = "6"
    & skf21("2","7","3","4","6","1","1","1") = "6"
    & skf21("2","7","3","4","6","1","2","1") = "6"
    & skf21("2","7","3","4","6","1","3","1") = "6"
    & skf21("2","7","3","4","6","1","4","1") = "6"
    & skf21("2","7","3","4","6","1","5","1") = "6"
    & skf21("2","7","3","4","6","1","6","1") = "6"
    & skf21("2","7","3","4","6","1","7","1") = "6"
    & skf21("2","7","3","4","6","2","1","1") = "6"
    & skf21("2","7","3","4","6","2","2","1") = "6"
    & skf21("2","7","3","4","6","2","3","1") = "6"
    & skf21("2","7","3","4","6","2","4","1") = "6"
    & skf21("2","7","3","4","6","2","5","1") = "6"
    & skf21("2","7","3","4","6","2","6","1") = "6"
    & skf21("2","7","3","4","6","2","7","1") = "6"
    & skf21("2","7","3","4","6","3","1","1") = "6"
    & skf21("2","7","3","4","6","3","2","1") = "6"
    & skf21("2","7","3","4","6","3","3","1") = "6"
    & skf21("2","7","3","4","6","3","4","1") = "6"
    & skf21("2","7","3","4","6","3","5","1") = "6"
    & skf21("2","7","3","4","6","3","6","1") = "6"
    & skf21("2","7","3","4","6","3","7","1") = "6"
    & skf21("2","7","3","4","6","4","1","1") = "6"
    & skf21("2","7","3","4","6","4","2","1") = "6"
    & skf21("2","7","3","4","6","4","3","1") = "6"
    & skf21("2","7","3","4","6","4","4","1") = "6"
    & skf21("2","7","3","4","6","4","5","1") = "6"
    & skf21("2","7","3","4","6","4","6","1") = "6"
    & skf21("2","7","3","4","6","4","7","1") = "6"
    & skf21("2","7","3","4","6","5","1","1") = "6"
    & skf21("2","7","3","4","6","5","2","1") = "6"
    & skf21("2","7","3","4","6","5","3","1") = "6"
    & skf21("2","7","3","4","6","5","4","1") = "6"
    & skf21("2","7","3","4","6","5","5","1") = "6"
    & skf21("2","7","3","4","6","5","6","1") = "6"
    & skf21("2","7","3","4","6","5","7","1") = "6"
    & skf21("2","7","3","4","6","6","1","1") = "6"
    & skf21("2","7","3","4","6","6","2","1") = "6"
    & skf21("2","7","3","4","6","6","3","1") = "6"
    & skf21("2","7","3","4","6","6","4","1") = "6"
    & skf21("2","7","3","4","6","6","5","1") = "6"
    & skf21("2","7","3","4","6","6","6","1") = "6"
    & skf21("2","7","3","4","6","6","7","1") = "6"
    & skf21("2","7","3","4","6","7","1","1") = "6"
    & skf21("2","7","3","4","6","7","2","1") = "6"
    & skf21("2","7","3","4","6","7","3","1") = "6"
    & skf21("2","7","3","4","6","7","4","1") = "6"
    & skf21("2","7","3","4","6","7","5","1") = "6"
    & skf21("2","7","3","4","6","7","6","1") = "6"
    & skf21("2","7","3","4","6","7","7","1") = "6"
    & skf21("2","7","3","4","7","1","1","1") = "6"
    & skf21("2","7","3","4","7","1","2","1") = "6"
    & skf21("2","7","3","4","7","1","3","1") = "6"
    & skf21("2","7","3","4","7","1","4","1") = "6"
    & skf21("2","7","3","4","7","1","5","1") = "6"
    & skf21("2","7","3","4","7","1","6","1") = "6"
    & skf21("2","7","3","4","7","1","7","1") = "6"
    & skf21("2","7","3","4","7","2","1","1") = "6"
    & skf21("2","7","3","4","7","2","2","1") = "6"
    & skf21("2","7","3","4","7","2","3","1") = "6"
    & skf21("2","7","3","4","7","2","4","1") = "6"
    & skf21("2","7","3","4","7","2","5","1") = "6"
    & skf21("2","7","3","4","7","2","6","1") = "6"
    & skf21("2","7","3","4","7","2","7","1") = "6"
    & skf21("2","7","3","4","7","3","1","1") = "6"
    & skf21("2","7","3","4","7","3","2","1") = "6"
    & skf21("2","7","3","4","7","3","3","1") = "6"
    & skf21("2","7","3","4","7","3","4","1") = "6"
    & skf21("2","7","3","4","7","3","5","1") = "6"
    & skf21("2","7","3","4","7","3","6","1") = "6"
    & skf21("2","7","3","4","7","3","7","1") = "6"
    & skf21("2","7","3","4","7","4","1","1") = "6"
    & skf21("2","7","3","4","7","4","2","1") = "6"
    & skf21("2","7","3","4","7","4","3","1") = "6"
    & skf21("2","7","3","4","7","4","4","1") = "6"
    & skf21("2","7","3","4","7","4","5","1") = "6"
    & skf21("2","7","3","4","7","4","6","1") = "6"
    & skf21("2","7","3","4","7","4","7","1") = "6"
    & skf21("2","7","3","4","7","5","1","1") = "6"
    & skf21("2","7","3","4","7","5","2","1") = "6"
    & skf21("2","7","3","4","7","5","3","1") = "6"
    & skf21("2","7","3","4","7","5","4","1") = "6"
    & skf21("2","7","3","4","7","5","5","1") = "6"
    & skf21("2","7","3","4","7","5","6","1") = "6"
    & skf21("2","7","3","4","7","5","7","1") = "6"
    & skf21("2","7","3","4","7","6","1","1") = "6"
    & skf21("2","7","3","4","7","6","2","1") = "6"
    & skf21("2","7","3","4","7","6","3","1") = "6"
    & skf21("2","7","3","4","7","6","4","1") = "6"
    & skf21("2","7","3","4","7","6","5","1") = "6"
    & skf21("2","7","3","4","7","6","6","1") = "6"
    & skf21("2","7","3","4","7","6","7","1") = "6"
    & skf21("2","7","3","4","7","7","1","1") = "6"
    & skf21("2","7","3","4","7","7","2","1") = "6"
    & skf21("2","7","3","4","7","7","3","1") = "6"
    & skf21("2","7","3","4","7","7","4","1") = "6"
    & skf21("2","7","3","4","7","7","5","1") = "6"
    & skf21("2","7","3","4","7","7","6","1") = "6"
    & skf21("2","7","3","4","7","7","7","1") = "6"
    & skf21("2","7","3","5","1","1","1","1") = "6"
    & skf21("2","7","3","5","1","1","2","1") = "6"
    & skf21("2","7","3","5","1","1","3","1") = "6"
    & skf21("2","7","3","5","1","1","4","1") = "6"
    & skf21("2","7","3","5","1","1","5","1") = "6"
    & skf21("2","7","3","5","1","1","6","1") = "6"
    & skf21("2","7","3","5","1","1","7","1") = "6"
    & skf21("2","7","3","5","1","2","1","1") = "6"
    & skf21("2","7","3","5","1","2","2","1") = "6"
    & skf21("2","7","3","5","1","2","3","1") = "6"
    & skf21("2","7","3","5","1","2","4","1") = "6"
    & skf21("2","7","3","5","1","2","5","1") = "6"
    & skf21("2","7","3","5","1","2","6","1") = "6"
    & skf21("2","7","3","5","1","2","7","1") = "6"
    & skf21("2","7","3","5","1","3","1","1") = "6"
    & skf21("2","7","3","5","1","3","2","1") = "6"
    & skf21("2","7","3","5","1","3","3","1") = "6"
    & skf21("2","7","3","5","1","3","4","1") = "6"
    & skf21("2","7","3","5","1","3","5","1") = "6"
    & skf21("2","7","3","5","1","3","6","1") = "6"
    & skf21("2","7","3","5","1","3","7","1") = "6"
    & skf21("2","7","3","5","1","4","1","1") = "6"
    & skf21("2","7","3","5","1","4","2","1") = "6"
    & skf21("2","7","3","5","1","4","3","1") = "6"
    & skf21("2","7","3","5","1","4","4","1") = "6"
    & skf21("2","7","3","5","1","4","5","1") = "6"
    & skf21("2","7","3","5","1","4","6","1") = "6"
    & skf21("2","7","3","5","1","4","7","1") = "6"
    & skf21("2","7","3","5","1","5","1","1") = "6"
    & skf21("2","7","3","5","1","5","2","1") = "6"
    & skf21("2","7","3","5","1","5","3","1") = "6"
    & skf21("2","7","3","5","1","5","4","1") = "6"
    & skf21("2","7","3","5","1","5","5","1") = "6"
    & skf21("2","7","3","5","1","5","6","1") = "6"
    & skf21("2","7","3","5","1","5","7","1") = "6"
    & skf21("2","7","3","5","1","6","1","1") = "6"
    & skf21("2","7","3","5","1","6","2","1") = "6"
    & skf21("2","7","3","5","1","6","3","1") = "6"
    & skf21("2","7","3","5","1","6","4","1") = "6"
    & skf21("2","7","3","5","1","6","5","1") = "6"
    & skf21("2","7","3","5","1","6","6","1") = "6"
    & skf21("2","7","3","5","1","6","7","1") = "6"
    & skf21("2","7","3","5","1","7","1","1") = "6"
    & skf21("2","7","3","5","1","7","2","1") = "6"
    & skf21("2","7","3","5","1","7","3","1") = "6"
    & skf21("2","7","3","5","1","7","4","1") = "6"
    & skf21("2","7","3","5","1","7","5","1") = "6"
    & skf21("2","7","3","5","1","7","6","1") = "6"
    & skf21("2","7","3","5","1","7","7","1") = "6"
    & skf21("2","7","3","5","2","1","1","1") = "6"
    & skf21("2","7","3","5","2","1","2","1") = "6"
    & skf21("2","7","3","5","2","1","3","1") = "6"
    & skf21("2","7","3","5","2","1","4","1") = "6"
    & skf21("2","7","3","5","2","1","5","1") = "6"
    & skf21("2","7","3","5","2","1","6","1") = "6"
    & skf21("2","7","3","5","2","1","7","1") = "6"
    & skf21("2","7","3","5","2","2","1","1") = "6"
    & skf21("2","7","3","5","2","2","2","1") = "6"
    & skf21("2","7","3","5","2","2","3","1") = "6"
    & skf21("2","7","3","5","2","2","4","1") = "6"
    & skf21("2","7","3","5","2","2","5","1") = "6"
    & skf21("2","7","3","5","2","2","6","1") = "6"
    & skf21("2","7","3","5","2","2","7","1") = "6"
    & skf21("2","7","3","5","2","3","1","1") = "6"
    & skf21("2","7","3","5","2","3","2","1") = "6"
    & skf21("2","7","3","5","2","3","3","1") = "6"
    & skf21("2","7","3","5","2","3","4","1") = "6"
    & skf21("2","7","3","5","2","3","5","1") = "6"
    & skf21("2","7","3","5","2","3","6","1") = "6"
    & skf21("2","7","3","5","2","3","7","1") = "6"
    & skf21("2","7","3","5","2","4","1","1") = "6"
    & skf21("2","7","3","5","2","4","2","1") = "6"
    & skf21("2","7","3","5","2","4","3","1") = "6"
    & skf21("2","7","3","5","2","4","4","1") = "6"
    & skf21("2","7","3","5","2","4","5","1") = "6"
    & skf21("2","7","3","5","2","4","6","1") = "6"
    & skf21("2","7","3","5","2","4","7","1") = "6"
    & skf21("2","7","3","5","2","5","1","1") = "6"
    & skf21("2","7","3","5","2","5","2","1") = "6"
    & skf21("2","7","3","5","2","5","3","1") = "6"
    & skf21("2","7","3","5","2","5","4","1") = "6"
    & skf21("2","7","3","5","2","5","5","1") = "6"
    & skf21("2","7","3","5","2","5","6","1") = "6"
    & skf21("2","7","3","5","2","5","7","1") = "6"
    & skf21("2","7","3","5","2","6","1","1") = "6"
    & skf21("2","7","3","5","2","6","2","1") = "6"
    & skf21("2","7","3","5","2","6","3","1") = "6"
    & skf21("2","7","3","5","2","6","4","1") = "6"
    & skf21("2","7","3","5","2","6","5","1") = "6"
    & skf21("2","7","3","5","2","6","6","1") = "6"
    & skf21("2","7","3","5","2","6","7","1") = "6"
    & skf21("2","7","3","5","2","7","1","1") = "6"
    & skf21("2","7","3","5","2","7","2","1") = "6"
    & skf21("2","7","3","5","2","7","3","1") = "6"
    & skf21("2","7","3","5","2","7","4","1") = "6"
    & skf21("2","7","3","5","2","7","5","1") = "6"
    & skf21("2","7","3","5","2","7","6","1") = "6"
    & skf21("2","7","3","5","2","7","7","1") = "6"
    & skf21("2","7","3","5","3","1","1","1") = "6"
    & skf21("2","7","3","5","3","1","2","1") = "6"
    & skf21("2","7","3","5","3","1","3","1") = "6"
    & skf21("2","7","3","5","3","1","4","1") = "6"
    & skf21("2","7","3","5","3","1","5","1") = "6"
    & skf21("2","7","3","5","3","1","6","1") = "6"
    & skf21("2","7","3","5","3","1","7","1") = "6"
    & skf21("2","7","3","5","3","2","1","1") = "6"
    & skf21("2","7","3","5","3","2","2","1") = "6"
    & skf21("2","7","3","5","3","2","3","1") = "6"
    & skf21("2","7","3","5","3","2","4","1") = "6"
    & skf21("2","7","3","5","3","2","5","1") = "6"
    & skf21("2","7","3","5","3","2","6","1") = "6"
    & skf21("2","7","3","5","3","2","7","1") = "6"
    & skf21("2","7","3","5","3","3","1","1") = "6"
    & skf21("2","7","3","5","3","3","2","1") = "6"
    & skf21("2","7","3","5","3","3","3","1") = "6"
    & skf21("2","7","3","5","3","3","4","1") = "6"
    & skf21("2","7","3","5","3","3","5","1") = "6"
    & skf21("2","7","3","5","3","3","6","1") = "6"
    & skf21("2","7","3","5","3","3","7","1") = "6"
    & skf21("2","7","3","5","3","4","1","1") = "6"
    & skf21("2","7","3","5","3","4","2","1") = "6"
    & skf21("2","7","3","5","3","4","3","1") = "6"
    & skf21("2","7","3","5","3","4","4","1") = "6"
    & skf21("2","7","3","5","3","4","5","1") = "6"
    & skf21("2","7","3","5","3","4","6","1") = "6"
    & skf21("2","7","3","5","3","4","7","1") = "6"
    & skf21("2","7","3","5","3","5","1","1") = "6"
    & skf21("2","7","3","5","3","5","2","1") = "6"
    & skf21("2","7","3","5","3","5","3","1") = "6"
    & skf21("2","7","3","5","3","5","4","1") = "6"
    & skf21("2","7","3","5","3","5","5","1") = "6"
    & skf21("2","7","3","5","3","5","6","1") = "6"
    & skf21("2","7","3","5","3","5","7","1") = "6"
    & skf21("2","7","3","5","3","6","1","1") = "6"
    & skf21("2","7","3","5","3","6","2","1") = "6"
    & skf21("2","7","3","5","3","6","3","1") = "6"
    & skf21("2","7","3","5","3","6","4","1") = "6"
    & skf21("2","7","3","5","3","6","5","1") = "6"
    & skf21("2","7","3","5","3","6","6","1") = "6"
    & skf21("2","7","3","5","3","6","7","1") = "6"
    & skf21("2","7","3","5","3","7","1","1") = "6"
    & skf21("2","7","3","5","3","7","2","1") = "6"
    & skf21("2","7","3","5","3","7","3","1") = "6"
    & skf21("2","7","3","5","3","7","4","1") = "6"
    & skf21("2","7","3","5","3","7","5","1") = "6"
    & skf21("2","7","3","5","3","7","6","1") = "6"
    & skf21("2","7","3","5","3","7","7","1") = "6"
    & skf21("2","7","3","5","4","1","1","1") = "6"
    & skf21("2","7","3","5","4","1","2","1") = "6"
    & skf21("2","7","3","5","4","1","3","1") = "6"
    & skf21("2","7","3","5","4","1","4","1") = "6"
    & skf21("2","7","3","5","4","1","5","1") = "6"
    & skf21("2","7","3","5","4","1","6","1") = "6"
    & skf21("2","7","3","5","4","1","7","1") = "6"
    & skf21("2","7","3","5","4","2","1","1") = "6"
    & skf21("2","7","3","5","4","2","2","1") = "6"
    & skf21("2","7","3","5","4","2","3","1") = "6"
    & skf21("2","7","3","5","4","2","4","1") = "6"
    & skf21("2","7","3","5","4","2","5","1") = "6"
    & skf21("2","7","3","5","4","2","6","1") = "6"
    & skf21("2","7","3","5","4","2","7","1") = "6"
    & skf21("2","7","3","5","4","3","1","1") = "6"
    & skf21("2","7","3","5","4","3","2","1") = "6"
    & skf21("2","7","3","5","4","3","3","1") = "6"
    & skf21("2","7","3","5","4","3","4","1") = "6"
    & skf21("2","7","3","5","4","3","5","1") = "6"
    & skf21("2","7","3","5","4","3","6","1") = "6"
    & skf21("2","7","3","5","4","3","7","1") = "6"
    & skf21("2","7","3","5","4","4","1","1") = "6"
    & skf21("2","7","3","5","4","4","2","1") = "6"
    & skf21("2","7","3","5","4","4","3","1") = "6"
    & skf21("2","7","3","5","4","4","4","1") = "6"
    & skf21("2","7","3","5","4","4","5","1") = "6"
    & skf21("2","7","3","5","4","4","6","1") = "6"
    & skf21("2","7","3","5","4","4","7","1") = "6"
    & skf21("2","7","3","5","4","5","1","1") = "6"
    & skf21("2","7","3","5","4","5","2","1") = "6"
    & skf21("2","7","3","5","4","5","3","1") = "6"
    & skf21("2","7","3","5","4","5","4","1") = "6"
    & skf21("2","7","3","5","4","5","5","1") = "6"
    & skf21("2","7","3","5","4","5","6","1") = "6"
    & skf21("2","7","3","5","4","5","7","1") = "6"
    & skf21("2","7","3","5","4","6","1","1") = "6"
    & skf21("2","7","3","5","4","6","2","1") = "6"
    & skf21("2","7","3","5","4","6","3","1") = "6"
    & skf21("2","7","3","5","4","6","4","1") = "6"
    & skf21("2","7","3","5","4","6","5","1") = "6"
    & skf21("2","7","3","5","4","6","6","1") = "6"
    & skf21("2","7","3","5","4","6","7","1") = "6"
    & skf21("2","7","3","5","4","7","1","1") = "6"
    & skf21("2","7","3","5","4","7","2","1") = "6"
    & skf21("2","7","3","5","4","7","3","1") = "6"
    & skf21("2","7","3","5","4","7","4","1") = "6"
    & skf21("2","7","3","5","4","7","5","1") = "6"
    & skf21("2","7","3","5","4","7","6","1") = "6"
    & skf21("2","7","3","5","4","7","7","1") = "6"
    & skf21("2","7","3","5","5","1","1","1") = "6"
    & skf21("2","7","3","5","5","1","2","1") = "6"
    & skf21("2","7","3","5","5","1","3","1") = "6"
    & skf21("2","7","3","5","5","1","4","1") = "6"
    & skf21("2","7","3","5","5","1","5","1") = "6"
    & skf21("2","7","3","5","5","1","6","1") = "6"
    & skf21("2","7","3","5","5","1","7","1") = "6"
    & skf21("2","7","3","5","5","2","1","1") = "6"
    & skf21("2","7","3","5","5","2","2","1") = "6"
    & skf21("2","7","3","5","5","2","3","1") = "6"
    & skf21("2","7","3","5","5","2","4","1") = "6"
    & skf21("2","7","3","5","5","2","5","1") = "6"
    & skf21("2","7","3","5","5","2","6","1") = "6"
    & skf21("2","7","3","5","5","2","7","1") = "6"
    & skf21("2","7","3","5","5","3","1","1") = "6"
    & skf21("2","7","3","5","5","3","2","1") = "6"
    & skf21("2","7","3","5","5","3","3","1") = "6"
    & skf21("2","7","3","5","5","3","4","1") = "6"
    & skf21("2","7","3","5","5","3","5","1") = "6"
    & skf21("2","7","3","5","5","3","6","1") = "6"
    & skf21("2","7","3","5","5","3","7","1") = "6"
    & skf21("2","7","3","5","5","4","1","1") = "6"
    & skf21("2","7","3","5","5","4","2","1") = "6"
    & skf21("2","7","3","5","5","4","3","1") = "6"
    & skf21("2","7","3","5","5","4","4","1") = "6"
    & skf21("2","7","3","5","5","4","5","1") = "6"
    & skf21("2","7","3","5","5","4","6","1") = "6"
    & skf21("2","7","3","5","5","4","7","1") = "6"
    & skf21("2","7","3","5","5","5","1","1") = "6"
    & skf21("2","7","3","5","5","5","2","1") = "6"
    & skf21("2","7","3","5","5","5","3","1") = "6"
    & skf21("2","7","3","5","5","5","4","1") = "6"
    & skf21("2","7","3","5","5","5","5","1") = "6"
    & skf21("2","7","3","5","5","5","6","1") = "6"
    & skf21("2","7","3","5","5","5","7","1") = "6"
    & skf21("2","7","3","5","5","6","1","1") = "6"
    & skf21("2","7","3","5","5","6","2","1") = "6"
    & skf21("2","7","3","5","5","6","3","1") = "6"
    & skf21("2","7","3","5","5","6","4","1") = "6"
    & skf21("2","7","3","5","5","6","5","1") = "6"
    & skf21("2","7","3","5","5","6","6","1") = "6"
    & skf21("2","7","3","5","5","6","7","1") = "6"
    & skf21("2","7","3","5","5","7","1","1") = "6"
    & skf21("2","7","3","5","5","7","2","1") = "6"
    & skf21("2","7","3","5","5","7","3","1") = "6"
    & skf21("2","7","3","5","5","7","4","1") = "6"
    & skf21("2","7","3","5","5","7","5","1") = "6"
    & skf21("2","7","3","5","5","7","6","1") = "6"
    & skf21("2","7","3","5","5","7","7","1") = "6"
    & skf21("2","7","3","5","6","1","1","1") = "6"
    & skf21("2","7","3","5","6","1","2","1") = "6"
    & skf21("2","7","3","5","6","1","3","1") = "6"
    & skf21("2","7","3","5","6","1","4","1") = "6"
    & skf21("2","7","3","5","6","1","5","1") = "6"
    & skf21("2","7","3","5","6","1","6","1") = "6"
    & skf21("2","7","3","5","6","1","7","1") = "6"
    & skf21("2","7","3","5","6","2","1","1") = "6"
    & skf21("2","7","3","5","6","2","2","1") = "6"
    & skf21("2","7","3","5","6","2","3","1") = "6"
    & skf21("2","7","3","5","6","2","4","1") = "6"
    & skf21("2","7","3","5","6","2","5","1") = "6"
    & skf21("2","7","3","5","6","2","6","1") = "6"
    & skf21("2","7","3","5","6","2","7","1") = "6"
    & skf21("2","7","3","5","6","3","1","1") = "6"
    & skf21("2","7","3","5","6","3","2","1") = "6"
    & skf21("2","7","3","5","6","3","3","1") = "6"
    & skf21("2","7","3","5","6","3","4","1") = "6"
    & skf21("2","7","3","5","6","3","5","1") = "6"
    & skf21("2","7","3","5","6","3","6","1") = "6"
    & skf21("2","7","3","5","6","3","7","1") = "6"
    & skf21("2","7","3","5","6","4","1","1") = "6"
    & skf21("2","7","3","5","6","4","2","1") = "6"
    & skf21("2","7","3","5","6","4","3","1") = "6"
    & skf21("2","7","3","5","6","4","4","1") = "6"
    & skf21("2","7","3","5","6","4","5","1") = "6"
    & skf21("2","7","3","5","6","4","6","1") = "6"
    & skf21("2","7","3","5","6","4","7","1") = "6"
    & skf21("2","7","3","5","6","5","1","1") = "6"
    & skf21("2","7","3","5","6","5","2","1") = "6"
    & skf21("2","7","3","5","6","5","3","1") = "6"
    & skf21("2","7","3","5","6","5","4","1") = "6"
    & skf21("2","7","3","5","6","5","5","1") = "6"
    & skf21("2","7","3","5","6","5","6","1") = "6"
    & skf21("2","7","3","5","6","5","7","1") = "6"
    & skf21("2","7","3","5","6","6","1","1") = "6"
    & skf21("2","7","3","5","6","6","2","1") = "6"
    & skf21("2","7","3","5","6","6","3","1") = "6"
    & skf21("2","7","3","5","6","6","4","1") = "6"
    & skf21("2","7","3","5","6","6","5","1") = "6"
    & skf21("2","7","3","5","6","6","6","1") = "6"
    & skf21("2","7","3","5","6","6","7","1") = "6"
    & skf21("2","7","3","5","6","7","1","1") = "6"
    & skf21("2","7","3","5","6","7","2","1") = "6"
    & skf21("2","7","3","5","6","7","3","1") = "6"
    & skf21("2","7","3","5","6","7","4","1") = "6"
    & skf21("2","7","3","5","6","7","5","1") = "6"
    & skf21("2","7","3","5","6","7","6","1") = "6"
    & skf21("2","7","3","5","6","7","7","1") = "6"
    & skf21("2","7","3","5","7","1","1","1") = "6"
    & skf21("2","7","3","5","7","1","2","1") = "6"
    & skf21("2","7","3","5","7","1","3","1") = "6"
    & skf21("2","7","3","5","7","1","4","1") = "6"
    & skf21("2","7","3","5","7","1","5","1") = "6"
    & skf21("2","7","3","5","7","1","6","1") = "6"
    & skf21("2","7","3","5","7","1","7","1") = "6"
    & skf21("2","7","3","5","7","2","1","1") = "6"
    & skf21("2","7","3","5","7","2","2","1") = "6"
    & skf21("2","7","3","5","7","2","3","1") = "6"
    & skf21("2","7","3","5","7","2","4","1") = "6"
    & skf21("2","7","3","5","7","2","5","1") = "6"
    & skf21("2","7","3","5","7","2","6","1") = "6"
    & skf21("2","7","3","5","7","2","7","1") = "6"
    & skf21("2","7","3","5","7","3","1","1") = "6"
    & skf21("2","7","3","5","7","3","2","1") = "6"
    & skf21("2","7","3","5","7","3","3","1") = "6"
    & skf21("2","7","3","5","7","3","4","1") = "6"
    & skf21("2","7","3","5","7","3","5","1") = "6"
    & skf21("2","7","3","5","7","3","6","1") = "6"
    & skf21("2","7","3","5","7","3","7","1") = "6"
    & skf21("2","7","3","5","7","4","1","1") = "6"
    & skf21("2","7","3","5","7","4","2","1") = "6"
    & skf21("2","7","3","5","7","4","3","1") = "6"
    & skf21("2","7","3","5","7","4","4","1") = "6"
    & skf21("2","7","3","5","7","4","5","1") = "6"
    & skf21("2","7","3","5","7","4","6","1") = "6"
    & skf21("2","7","3","5","7","4","7","1") = "6"
    & skf21("2","7","3","5","7","5","1","1") = "6"
    & skf21("2","7","3","5","7","5","2","1") = "6"
    & skf21("2","7","3","5","7","5","3","1") = "6"
    & skf21("2","7","3","5","7","5","4","1") = "6"
    & skf21("2","7","3","5","7","5","5","1") = "6"
    & skf21("2","7","3","5","7","5","6","1") = "6"
    & skf21("2","7","3","5","7","5","7","1") = "6"
    & skf21("2","7","3","5","7","6","1","1") = "6"
    & skf21("2","7","3","5","7","6","2","1") = "6"
    & skf21("2","7","3","5","7","6","3","1") = "6"
    & skf21("2","7","3","5","7","6","4","1") = "6"
    & skf21("2","7","3","5","7","6","5","1") = "6"
    & skf21("2","7","3","5","7","6","6","1") = "6"
    & skf21("2","7","3","5","7","6","7","1") = "6"
    & skf21("2","7","3","5","7","7","1","1") = "6"
    & skf21("2","7","3","5","7","7","2","1") = "6"
    & skf21("2","7","3","5","7","7","3","1") = "6"
    & skf21("2","7","3","5","7","7","4","1") = "6"
    & skf21("2","7","3","5","7","7","5","1") = "6"
    & skf21("2","7","3","5","7","7","6","1") = "6"
    & skf21("2","7","3","5","7","7","7","1") = "6"
    & skf21("2","7","3","6","1","1","1","1") = "6"
    & skf21("2","7","3","6","1","1","2","1") = "6"
    & skf21("2","7","3","6","1","1","3","1") = "6"
    & skf21("2","7","3","6","1","1","4","1") = "6"
    & skf21("2","7","3","6","1","1","5","1") = "6"
    & skf21("2","7","3","6","1","1","6","1") = "6"
    & skf21("2","7","3","6","1","1","7","1") = "6"
    & skf21("2","7","3","6","1","2","1","1") = "6"
    & skf21("2","7","3","6","1","2","2","1") = "6"
    & skf21("2","7","3","6","1","2","3","1") = "6"
    & skf21("2","7","3","6","1","2","4","1") = "6"
    & skf21("2","7","3","6","1","2","5","1") = "6"
    & skf21("2","7","3","6","1","2","6","1") = "6"
    & skf21("2","7","3","6","1","2","7","1") = "6"
    & skf21("2","7","3","6","1","3","1","1") = "6"
    & skf21("2","7","3","6","1","3","2","1") = "6"
    & skf21("2","7","3","6","1","3","3","1") = "6"
    & skf21("2","7","3","6","1","3","4","1") = "6"
    & skf21("2","7","3","6","1","3","5","1") = "6"
    & skf21("2","7","3","6","1","3","6","1") = "6"
    & skf21("2","7","3","6","1","3","7","1") = "6"
    & skf21("2","7","3","6","1","4","1","1") = "6"
    & skf21("2","7","3","6","1","4","2","1") = "6"
    & skf21("2","7","3","6","1","4","3","1") = "6"
    & skf21("2","7","3","6","1","4","4","1") = "6"
    & skf21("2","7","3","6","1","4","5","1") = "6"
    & skf21("2","7","3","6","1","4","6","1") = "6"
    & skf21("2","7","3","6","1","4","7","1") = "6"
    & skf21("2","7","3","6","1","5","1","1") = "6"
    & skf21("2","7","3","6","1","5","2","1") = "6"
    & skf21("2","7","3","6","1","5","3","1") = "6"
    & skf21("2","7","3","6","1","5","4","1") = "6"
    & skf21("2","7","3","6","1","5","5","1") = "6"
    & skf21("2","7","3","6","1","5","6","1") = "6"
    & skf21("2","7","3","6","1","5","7","1") = "6"
    & skf21("2","7","3","6","1","6","1","1") = "6"
    & skf21("2","7","3","6","1","6","2","1") = "6"
    & skf21("2","7","3","6","1","6","3","1") = "6"
    & skf21("2","7","3","6","1","6","4","1") = "6"
    & skf21("2","7","3","6","1","6","5","1") = "6"
    & skf21("2","7","3","6","1","6","6","1") = "6"
    & skf21("2","7","3","6","1","6","7","1") = "6"
    & skf21("2","7","3","6","1","7","1","1") = "6"
    & skf21("2","7","3","6","1","7","2","1") = "6"
    & skf21("2","7","3","6","1","7","3","1") = "6"
    & skf21("2","7","3","6","1","7","4","1") = "6"
    & skf21("2","7","3","6","1","7","5","1") = "6"
    & skf21("2","7","3","6","1","7","6","1") = "6"
    & skf21("2","7","3","6","1","7","7","1") = "6"
    & skf21("2","7","3","6","2","1","1","1") = "6"
    & skf21("2","7","3","6","2","1","2","1") = "6"
    & skf21("2","7","3","6","2","1","3","1") = "6"
    & skf21("2","7","3","6","2","1","4","1") = "6"
    & skf21("2","7","3","6","2","1","5","1") = "6"
    & skf21("2","7","3","6","2","1","6","1") = "6"
    & skf21("2","7","3","6","2","1","7","1") = "6"
    & skf21("2","7","3","6","2","2","1","1") = "6"
    & skf21("2","7","3","6","2","2","2","1") = "6"
    & skf21("2","7","3","6","2","2","3","1") = "6"
    & skf21("2","7","3","6","2","2","4","1") = "6"
    & skf21("2","7","3","6","2","2","5","1") = "6"
    & skf21("2","7","3","6","2","2","6","1") = "6"
    & skf21("2","7","3","6","2","2","7","1") = "6"
    & skf21("2","7","3","6","2","3","1","1") = "6"
    & skf21("2","7","3","6","2","3","2","1") = "6"
    & skf21("2","7","3","6","2","3","3","1") = "6"
    & skf21("2","7","3","6","2","3","4","1") = "6"
    & skf21("2","7","3","6","2","3","5","1") = "6"
    & skf21("2","7","3","6","2","3","6","1") = "6"
    & skf21("2","7","3","6","2","3","7","1") = "6"
    & skf21("2","7","3","6","2","4","1","1") = "6"
    & skf21("2","7","3","6","2","4","2","1") = "6"
    & skf21("2","7","3","6","2","4","3","1") = "6"
    & skf21("2","7","3","6","2","4","4","1") = "6"
    & skf21("2","7","3","6","2","4","5","1") = "6"
    & skf21("2","7","3","6","2","4","6","1") = "6"
    & skf21("2","7","3","6","2","4","7","1") = "6"
    & skf21("2","7","3","6","2","5","1","1") = "6"
    & skf21("2","7","3","6","2","5","2","1") = "6"
    & skf21("2","7","3","6","2","5","3","1") = "6"
    & skf21("2","7","3","6","2","5","4","1") = "6"
    & skf21("2","7","3","6","2","5","5","1") = "6"
    & skf21("2","7","3","6","2","5","6","1") = "6"
    & skf21("2","7","3","6","2","5","7","1") = "6"
    & skf21("2","7","3","6","2","6","1","1") = "6"
    & skf21("2","7","3","6","2","6","2","1") = "6"
    & skf21("2","7","3","6","2","6","3","1") = "6"
    & skf21("2","7","3","6","2","6","4","1") = "6"
    & skf21("2","7","3","6","2","6","5","1") = "6"
    & skf21("2","7","3","6","2","6","6","1") = "6"
    & skf21("2","7","3","6","2","6","7","1") = "6"
    & skf21("2","7","3","6","2","7","1","1") = "6"
    & skf21("2","7","3","6","2","7","2","1") = "6"
    & skf21("2","7","3","6","2","7","3","1") = "6"
    & skf21("2","7","3","6","2","7","4","1") = "6"
    & skf21("2","7","3","6","2","7","5","1") = "6"
    & skf21("2","7","3","6","2","7","6","1") = "6"
    & skf21("2","7","3","6","2","7","7","1") = "6"
    & skf21("2","7","3","6","3","1","1","1") = "6"
    & skf21("2","7","3","6","3","1","2","1") = "6"
    & skf21("2","7","3","6","3","1","3","1") = "6"
    & skf21("2","7","3","6","3","1","4","1") = "6"
    & skf21("2","7","3","6","3","1","5","1") = "6"
    & skf21("2","7","3","6","3","1","6","1") = "6"
    & skf21("2","7","3","6","3","1","7","1") = "6"
    & skf21("2","7","3","6","3","2","1","1") = "6"
    & skf21("2","7","3","6","3","2","2","1") = "6"
    & skf21("2","7","3","6","3","2","3","1") = "6"
    & skf21("2","7","3","6","3","2","4","1") = "6"
    & skf21("2","7","3","6","3","2","5","1") = "6"
    & skf21("2","7","3","6","3","2","6","1") = "6"
    & skf21("2","7","3","6","3","2","7","1") = "6"
    & skf21("2","7","3","6","3","3","1","1") = "6"
    & skf21("2","7","3","6","3","3","2","1") = "6"
    & skf21("2","7","3","6","3","3","3","1") = "6"
    & skf21("2","7","3","6","3","3","4","1") = "6"
    & skf21("2","7","3","6","3","3","5","1") = "6"
    & skf21("2","7","3","6","3","3","6","1") = "6"
    & skf21("2","7","3","6","3","3","7","1") = "6"
    & skf21("2","7","3","6","3","4","1","1") = "6"
    & skf21("2","7","3","6","3","4","2","1") = "6"
    & skf21("2","7","3","6","3","4","3","1") = "6"
    & skf21("2","7","3","6","3","4","4","1") = "6"
    & skf21("2","7","3","6","3","4","5","1") = "6"
    & skf21("2","7","3","6","3","4","6","1") = "6"
    & skf21("2","7","3","6","3","4","7","1") = "6"
    & skf21("2","7","3","6","3","5","1","1") = "6"
    & skf21("2","7","3","6","3","5","2","1") = "6"
    & skf21("2","7","3","6","3","5","3","1") = "6"
    & skf21("2","7","3","6","3","5","4","1") = "6"
    & skf21("2","7","3","6","3","5","5","1") = "6"
    & skf21("2","7","3","6","3","5","6","1") = "6"
    & skf21("2","7","3","6","3","5","7","1") = "6"
    & skf21("2","7","3","6","3","6","1","1") = "6"
    & skf21("2","7","3","6","3","6","2","1") = "6"
    & skf21("2","7","3","6","3","6","3","1") = "6"
    & skf21("2","7","3","6","3","6","4","1") = "6"
    & skf21("2","7","3","6","3","6","5","1") = "6"
    & skf21("2","7","3","6","3","6","6","1") = "6"
    & skf21("2","7","3","6","3","6","7","1") = "6"
    & skf21("2","7","3","6","3","7","1","1") = "6"
    & skf21("2","7","3","6","3","7","2","1") = "6"
    & skf21("2","7","3","6","3","7","3","1") = "6"
    & skf21("2","7","3","6","3","7","4","1") = "6"
    & skf21("2","7","3","6","3","7","5","1") = "6"
    & skf21("2","7","3","6","3","7","6","1") = "6"
    & skf21("2","7","3","6","3","7","7","1") = "6"
    & skf21("2","7","3","6","4","1","1","1") = "6"
    & skf21("2","7","3","6","4","1","2","1") = "6"
    & skf21("2","7","3","6","4","1","3","1") = "6"
    & skf21("2","7","3","6","4","1","4","1") = "6"
    & skf21("2","7","3","6","4","1","5","1") = "6"
    & skf21("2","7","3","6","4","1","6","1") = "6"
    & skf21("2","7","3","6","4","1","7","1") = "6"
    & skf21("2","7","3","6","4","2","1","1") = "6"
    & skf21("2","7","3","6","4","2","2","1") = "6"
    & skf21("2","7","3","6","4","2","3","1") = "6"
    & skf21("2","7","3","6","4","2","4","1") = "6"
    & skf21("2","7","3","6","4","2","5","1") = "6"
    & skf21("2","7","3","6","4","2","6","1") = "6"
    & skf21("2","7","3","6","4","2","7","1") = "6"
    & skf21("2","7","3","6","4","3","1","1") = "6"
    & skf21("2","7","3","6","4","3","2","1") = "6"
    & skf21("2","7","3","6","4","3","3","1") = "6"
    & skf21("2","7","3","6","4","3","4","1") = "6"
    & skf21("2","7","3","6","4","3","5","1") = "6"
    & skf21("2","7","3","6","4","3","6","1") = "6"
    & skf21("2","7","3","6","4","3","7","1") = "6"
    & skf21("2","7","3","6","4","4","1","1") = "6"
    & skf21("2","7","3","6","4","4","2","1") = "6"
    & skf21("2","7","3","6","4","4","3","1") = "6"
    & skf21("2","7","3","6","4","4","4","1") = "6"
    & skf21("2","7","3","6","4","4","5","1") = "6"
    & skf21("2","7","3","6","4","4","6","1") = "6"
    & skf21("2","7","3","6","4","4","7","1") = "6"
    & skf21("2","7","3","6","4","5","1","1") = "6"
    & skf21("2","7","3","6","4","5","2","1") = "6"
    & skf21("2","7","3","6","4","5","3","1") = "6"
    & skf21("2","7","3","6","4","5","4","1") = "6"
    & skf21("2","7","3","6","4","5","5","1") = "6"
    & skf21("2","7","3","6","4","5","6","1") = "6"
    & skf21("2","7","3","6","4","5","7","1") = "6"
    & skf21("2","7","3","6","4","6","1","1") = "6"
    & skf21("2","7","3","6","4","6","2","1") = "6"
    & skf21("2","7","3","6","4","6","3","1") = "6"
    & skf21("2","7","3","6","4","6","4","1") = "6"
    & skf21("2","7","3","6","4","6","5","1") = "6"
    & skf21("2","7","3","6","4","6","6","1") = "6"
    & skf21("2","7","3","6","4","6","7","1") = "6"
    & skf21("2","7","3","6","4","7","1","1") = "6"
    & skf21("2","7","3","6","4","7","2","1") = "6"
    & skf21("2","7","3","6","4","7","3","1") = "6"
    & skf21("2","7","3","6","4","7","4","1") = "6"
    & skf21("2","7","3","6","4","7","5","1") = "6"
    & skf21("2","7","3","6","4","7","6","1") = "6"
    & skf21("2","7","3","6","4","7","7","1") = "6"
    & skf21("2","7","3","6","5","1","1","1") = "6"
    & skf21("2","7","3","6","5","1","2","1") = "6"
    & skf21("2","7","3","6","5","1","3","1") = "6"
    & skf21("2","7","3","6","5","1","4","1") = "6"
    & skf21("2","7","3","6","5","1","5","1") = "6"
    & skf21("2","7","3","6","5","1","6","1") = "6"
    & skf21("2","7","3","6","5","1","7","1") = "6"
    & skf21("2","7","3","6","5","2","1","1") = "6"
    & skf21("2","7","3","6","5","2","2","1") = "6"
    & skf21("2","7","3","6","5","2","3","1") = "6"
    & skf21("2","7","3","6","5","2","4","1") = "6"
    & skf21("2","7","3","6","5","2","5","1") = "6"
    & skf21("2","7","3","6","5","2","6","1") = "6"
    & skf21("2","7","3","6","5","2","7","1") = "6"
    & skf21("2","7","3","6","5","3","1","1") = "6"
    & skf21("2","7","3","6","5","3","2","1") = "6"
    & skf21("2","7","3","6","5","3","3","1") = "6"
    & skf21("2","7","3","6","5","3","4","1") = "6"
    & skf21("2","7","3","6","5","3","5","1") = "6"
    & skf21("2","7","3","6","5","3","6","1") = "6"
    & skf21("2","7","3","6","5","3","7","1") = "6"
    & skf21("2","7","3","6","5","4","1","1") = "6"
    & skf21("2","7","3","6","5","4","2","1") = "6"
    & skf21("2","7","3","6","5","4","3","1") = "6"
    & skf21("2","7","3","6","5","4","4","1") = "6"
    & skf21("2","7","3","6","5","4","5","1") = "6"
    & skf21("2","7","3","6","5","4","6","1") = "6"
    & skf21("2","7","3","6","5","4","7","1") = "6"
    & skf21("2","7","3","6","5","5","1","1") = "6"
    & skf21("2","7","3","6","5","5","2","1") = "6"
    & skf21("2","7","3","6","5","5","3","1") = "6"
    & skf21("2","7","3","6","5","5","4","1") = "6"
    & skf21("2","7","3","6","5","5","5","1") = "6"
    & skf21("2","7","3","6","5","5","6","1") = "6"
    & skf21("2","7","3","6","5","5","7","1") = "6"
    & skf21("2","7","3","6","5","6","1","1") = "6"
    & skf21("2","7","3","6","5","6","2","1") = "6"
    & skf21("2","7","3","6","5","6","3","1") = "6"
    & skf21("2","7","3","6","5","6","4","1") = "6"
    & skf21("2","7","3","6","5","6","5","1") = "6"
    & skf21("2","7","3","6","5","6","6","1") = "6"
    & skf21("2","7","3","6","5","6","7","1") = "6"
    & skf21("2","7","3","6","5","7","1","1") = "6"
    & skf21("2","7","3","6","5","7","2","1") = "6"
    & skf21("2","7","3","6","5","7","3","1") = "6"
    & skf21("2","7","3","6","5","7","4","1") = "6"
    & skf21("2","7","3","6","5","7","5","1") = "6"
    & skf21("2","7","3","6","5","7","6","1") = "6"
    & skf21("2","7","3","6","5","7","7","1") = "6"
    & skf21("2","7","3","6","6","1","1","1") = "6"
    & skf21("2","7","3","6","6","1","2","1") = "6"
    & skf21("2","7","3","6","6","1","3","1") = "6"
    & skf21("2","7","3","6","6","1","4","1") = "6"
    & skf21("2","7","3","6","6","1","5","1") = "6"
    & skf21("2","7","3","6","6","1","6","1") = "6"
    & skf21("2","7","3","6","6","1","7","1") = "6"
    & skf21("2","7","3","6","6","2","1","1") = "6"
    & skf21("2","7","3","6","6","2","2","1") = "6"
    & skf21("2","7","3","6","6","2","3","1") = "6"
    & skf21("2","7","3","6","6","2","4","1") = "6"
    & skf21("2","7","3","6","6","2","5","1") = "6"
    & skf21("2","7","3","6","6","2","6","1") = "6"
    & skf21("2","7","3","6","6","2","7","1") = "6"
    & skf21("2","7","3","6","6","3","1","1") = "6"
    & skf21("2","7","3","6","6","3","2","1") = "6"
    & skf21("2","7","3","6","6","3","3","1") = "6"
    & skf21("2","7","3","6","6","3","4","1") = "6"
    & skf21("2","7","3","6","6","3","5","1") = "6"
    & skf21("2","7","3","6","6","3","6","1") = "6"
    & skf21("2","7","3","6","6","3","7","1") = "6"
    & skf21("2","7","3","6","6","4","1","1") = "6"
    & skf21("2","7","3","6","6","4","2","1") = "6"
    & skf21("2","7","3","6","6","4","3","1") = "6"
    & skf21("2","7","3","6","6","4","4","1") = "6"
    & skf21("2","7","3","6","6","4","5","1") = "6"
    & skf21("2","7","3","6","6","4","6","1") = "6"
    & skf21("2","7","3","6","6","4","7","1") = "6"
    & skf21("2","7","3","6","6","5","1","1") = "6"
    & skf21("2","7","3","6","6","5","2","1") = "6"
    & skf21("2","7","3","6","6","5","3","1") = "6"
    & skf21("2","7","3","6","6","5","4","1") = "6"
    & skf21("2","7","3","6","6","5","5","1") = "6"
    & skf21("2","7","3","6","6","5","6","1") = "6"
    & skf21("2","7","3","6","6","5","7","1") = "6"
    & skf21("2","7","3","6","6","6","1","1") = "6"
    & skf21("2","7","3","6","6","6","2","1") = "6"
    & skf21("2","7","3","6","6","6","3","1") = "6"
    & skf21("2","7","3","6","6","6","4","1") = "6"
    & skf21("2","7","3","6","6","6","5","1") = "6"
    & skf21("2","7","3","6","6","6","6","1") = "6"
    & skf21("2","7","3","6","6","6","7","1") = "6"
    & skf21("2","7","3","6","6","7","1","1") = "6"
    & skf21("2","7","3","6","6","7","2","1") = "6"
    & skf21("2","7","3","6","6","7","3","1") = "6"
    & skf21("2","7","3","6","6","7","4","1") = "6"
    & skf21("2","7","3","6","6","7","5","1") = "6"
    & skf21("2","7","3","6","6","7","6","1") = "6"
    & skf21("2","7","3","6","6","7","7","1") = "6"
    & skf21("2","7","3","6","7","1","1","1") = "6"
    & skf21("2","7","3","6","7","1","2","1") = "6"
    & skf21("2","7","3","6","7","1","3","1") = "6"
    & skf21("2","7","3","6","7","1","4","1") = "6"
    & skf21("2","7","3","6","7","1","5","1") = "6"
    & skf21("2","7","3","6","7","1","6","1") = "6"
    & skf21("2","7","3","6","7","1","7","1") = "6"
    & skf21("2","7","3","6","7","2","1","1") = "6"
    & skf21("2","7","3","6","7","2","2","1") = "6"
    & skf21("2","7","3","6","7","2","3","1") = "6"
    & skf21("2","7","3","6","7","2","4","1") = "6"
    & skf21("2","7","3","6","7","2","5","1") = "6"
    & skf21("2","7","3","6","7","2","6","1") = "6"
    & skf21("2","7","3","6","7","2","7","1") = "6"
    & skf21("2","7","3","6","7","3","1","1") = "6"
    & skf21("2","7","3","6","7","3","2","1") = "6"
    & skf21("2","7","3","6","7","3","3","1") = "6"
    & skf21("2","7","3","6","7","3","4","1") = "6"
    & skf21("2","7","3","6","7","3","5","1") = "6"
    & skf21("2","7","3","6","7","3","6","1") = "6"
    & skf21("2","7","3","6","7","3","7","1") = "6"
    & skf21("2","7","3","6","7","4","1","1") = "6"
    & skf21("2","7","3","6","7","4","2","1") = "6"
    & skf21("2","7","3","6","7","4","3","1") = "6"
    & skf21("2","7","3","6","7","4","4","1") = "6"
    & skf21("2","7","3","6","7","4","5","1") = "6"
    & skf21("2","7","3","6","7","4","6","1") = "6"
    & skf21("2","7","3","6","7","4","7","1") = "6"
    & skf21("2","7","3","6","7","5","1","1") = "6"
    & skf21("2","7","3","6","7","5","2","1") = "6"
    & skf21("2","7","3","6","7","5","3","1") = "6"
    & skf21("2","7","3","6","7","5","4","1") = "6"
    & skf21("2","7","3","6","7","5","5","1") = "6"
    & skf21("2","7","3","6","7","5","6","1") = "6"
    & skf21("2","7","3","6","7","5","7","1") = "6"
    & skf21("2","7","3","6","7","6","1","1") = "6"
    & skf21("2","7","3","6","7","6","2","1") = "6"
    & skf21("2","7","3","6","7","6","3","1") = "6"
    & skf21("2","7","3","6","7","6","4","1") = "6"
    & skf21("2","7","3","6","7","6","5","1") = "6"
    & skf21("2","7","3","6","7","6","6","1") = "6"
    & skf21("2","7","3","6","7","6","7","1") = "6"
    & skf21("2","7","3","6","7","7","1","1") = "6"
    & skf21("2","7","3","6","7","7","2","1") = "6"
    & skf21("2","7","3","6","7","7","3","1") = "6"
    & skf21("2","7","3","6","7","7","4","1") = "6"
    & skf21("2","7","3","6","7","7","5","1") = "6"
    & skf21("2","7","3","6","7","7","6","1") = "6"
    & skf21("2","7","3","6","7","7","7","1") = "6"
    & skf21("2","7","3","7","1","1","1","1") = "6"
    & skf21("2","7","3","7","1","1","2","1") = "6"
    & skf21("2","7","3","7","1","1","3","1") = "6"
    & skf21("2","7","3","7","1","1","4","1") = "6"
    & skf21("2","7","3","7","1","1","5","1") = "6"
    & skf21("2","7","3","7","1","1","6","1") = "6"
    & skf21("2","7","3","7","1","1","7","1") = "6"
    & skf21("2","7","3","7","1","2","1","1") = "6"
    & skf21("2","7","3","7","1","2","2","1") = "6"
    & skf21("2","7","3","7","1","2","3","1") = "6"
    & skf21("2","7","3","7","1","2","4","1") = "6"
    & skf21("2","7","3","7","1","2","5","1") = "6"
    & skf21("2","7","3","7","1","2","6","1") = "6"
    & skf21("2","7","3","7","1","2","7","1") = "6"
    & skf21("2","7","3","7","1","3","1","1") = "6"
    & skf21("2","7","3","7","1","3","2","1") = "6"
    & skf21("2","7","3","7","1","3","3","1") = "6"
    & skf21("2","7","3","7","1","3","4","1") = "6"
    & skf21("2","7","3","7","1","3","5","1") = "6"
    & skf21("2","7","3","7","1","3","6","1") = "6"
    & skf21("2","7","3","7","1","3","7","1") = "6"
    & skf21("2","7","3","7","1","4","1","1") = "6"
    & skf21("2","7","3","7","1","4","2","1") = "6"
    & skf21("2","7","3","7","1","4","3","1") = "6"
    & skf21("2","7","3","7","1","4","4","1") = "6"
    & skf21("2","7","3","7","1","4","5","1") = "6"
    & skf21("2","7","3","7","1","4","6","1") = "6"
    & skf21("2","7","3","7","1","4","7","1") = "6"
    & skf21("2","7","3","7","1","5","1","1") = "6"
    & skf21("2","7","3","7","1","5","2","1") = "6"
    & skf21("2","7","3","7","1","5","3","1") = "6"
    & skf21("2","7","3","7","1","5","4","1") = "6"
    & skf21("2","7","3","7","1","5","5","1") = "6"
    & skf21("2","7","3","7","1","5","6","1") = "6"
    & skf21("2","7","3","7","1","5","7","1") = "6"
    & skf21("2","7","3","7","1","6","1","1") = "6"
    & skf21("2","7","3","7","1","6","2","1") = "6"
    & skf21("2","7","3","7","1","6","3","1") = "6"
    & skf21("2","7","3","7","1","6","4","1") = "6"
    & skf21("2","7","3","7","1","6","5","1") = "6"
    & skf21("2","7","3","7","1","6","6","1") = "6"
    & skf21("2","7","3","7","1","6","7","1") = "6"
    & skf21("2","7","3","7","1","7","1","1") = "6"
    & skf21("2","7","3","7","1","7","2","1") = "6"
    & skf21("2","7","3","7","1","7","3","1") = "6"
    & skf21("2","7","3","7","1","7","4","1") = "6"
    & skf21("2","7","3","7","1","7","5","1") = "6"
    & skf21("2","7","3","7","1","7","6","1") = "6"
    & skf21("2","7","3","7","1","7","7","1") = "6"
    & skf21("2","7","3","7","2","1","1","1") = "6"
    & skf21("2","7","3","7","2","1","2","1") = "6"
    & skf21("2","7","3","7","2","1","3","1") = "6"
    & skf21("2","7","3","7","2","1","4","1") = "6"
    & skf21("2","7","3","7","2","1","5","1") = "6"
    & skf21("2","7","3","7","2","1","6","1") = "6"
    & skf21("2","7","3","7","2","1","7","1") = "6"
    & skf21("2","7","3","7","2","2","1","1") = "6"
    & skf21("2","7","3","7","2","2","2","1") = "6"
    & skf21("2","7","3","7","2","2","3","1") = "6"
    & skf21("2","7","3","7","2","2","4","1") = "6"
    & skf21("2","7","3","7","2","2","5","1") = "6"
    & skf21("2","7","3","7","2","2","6","1") = "6"
    & skf21("2","7","3","7","2","2","7","1") = "6"
    & skf21("2","7","3","7","2","3","1","1") = "6"
    & skf21("2","7","3","7","2","3","2","1") = "6"
    & skf21("2","7","3","7","2","3","3","1") = "6"
    & skf21("2","7","3","7","2","3","4","1") = "6"
    & skf21("2","7","3","7","2","3","5","1") = "6"
    & skf21("2","7","3","7","2","3","6","1") = "6"
    & skf21("2","7","3","7","2","3","7","1") = "6"
    & skf21("2","7","3","7","2","4","1","1") = "6"
    & skf21("2","7","3","7","2","4","2","1") = "6"
    & skf21("2","7","3","7","2","4","3","1") = "6"
    & skf21("2","7","3","7","2","4","4","1") = "6"
    & skf21("2","7","3","7","2","4","5","1") = "6"
    & skf21("2","7","3","7","2","4","6","1") = "6"
    & skf21("2","7","3","7","2","4","7","1") = "6"
    & skf21("2","7","3","7","2","5","1","1") = "6"
    & skf21("2","7","3","7","2","5","2","1") = "6"
    & skf21("2","7","3","7","2","5","3","1") = "6"
    & skf21("2","7","3","7","2","5","4","1") = "6"
    & skf21("2","7","3","7","2","5","5","1") = "6"
    & skf21("2","7","3","7","2","5","6","1") = "6"
    & skf21("2","7","3","7","2","5","7","1") = "6"
    & skf21("2","7","3","7","2","6","1","1") = "6"
    & skf21("2","7","3","7","2","6","2","1") = "6"
    & skf21("2","7","3","7","2","6","3","1") = "6"
    & skf21("2","7","3","7","2","6","4","1") = "6"
    & skf21("2","7","3","7","2","6","5","1") = "6"
    & skf21("2","7","3","7","2","6","6","1") = "6"
    & skf21("2","7","3","7","2","6","7","1") = "6"
    & skf21("2","7","3","7","2","7","1","1") = "6"
    & skf21("2","7","3","7","2","7","2","1") = "6"
    & skf21("2","7","3","7","2","7","3","1") = "6"
    & skf21("2","7","3","7","2","7","4","1") = "6"
    & skf21("2","7","3","7","2","7","5","1") = "6"
    & skf21("2","7","3","7","2","7","6","1") = "6"
    & skf21("2","7","3","7","2","7","7","1") = "6"
    & skf21("2","7","3","7","3","1","1","1") = "6"
    & skf21("2","7","3","7","3","1","2","1") = "6"
    & skf21("2","7","3","7","3","1","3","1") = "6"
    & skf21("2","7","3","7","3","1","4","1") = "6"
    & skf21("2","7","3","7","3","1","5","1") = "6"
    & skf21("2","7","3","7","3","1","6","1") = "6"
    & skf21("2","7","3","7","3","1","7","1") = "6"
    & skf21("2","7","3","7","3","2","1","1") = "6"
    & skf21("2","7","3","7","3","2","2","1") = "6"
    & skf21("2","7","3","7","3","2","3","1") = "6"
    & skf21("2","7","3","7","3","2","4","1") = "6"
    & skf21("2","7","3","7","3","2","5","1") = "6"
    & skf21("2","7","3","7","3","2","6","1") = "6"
    & skf21("2","7","3","7","3","2","7","1") = "6"
    & skf21("2","7","3","7","3","3","1","1") = "6"
    & skf21("2","7","3","7","3","3","2","1") = "6"
    & skf21("2","7","3","7","3","3","3","1") = "6"
    & skf21("2","7","3","7","3","3","4","1") = "6"
    & skf21("2","7","3","7","3","3","5","1") = "6"
    & skf21("2","7","3","7","3","3","6","1") = "6"
    & skf21("2","7","3","7","3","3","7","1") = "6"
    & skf21("2","7","3","7","3","4","1","1") = "6"
    & skf21("2","7","3","7","3","4","2","1") = "6"
    & skf21("2","7","3","7","3","4","3","1") = "6"
    & skf21("2","7","3","7","3","4","4","1") = "6"
    & skf21("2","7","3","7","3","4","5","1") = "6"
    & skf21("2","7","3","7","3","4","6","1") = "6"
    & skf21("2","7","3","7","3","4","7","1") = "6"
    & skf21("2","7","3","7","3","5","1","1") = "6"
    & skf21("2","7","3","7","3","5","2","1") = "6"
    & skf21("2","7","3","7","3","5","3","1") = "6"
    & skf21("2","7","3","7","3","5","4","1") = "6"
    & skf21("2","7","3","7","3","5","5","1") = "6"
    & skf21("2","7","3","7","3","5","6","1") = "6"
    & skf21("2","7","3","7","3","5","7","1") = "6"
    & skf21("2","7","3","7","3","6","1","1") = "6"
    & skf21("2","7","3","7","3","6","2","1") = "6"
    & skf21("2","7","3","7","3","6","3","1") = "6"
    & skf21("2","7","3","7","3","6","4","1") = "6"
    & skf21("2","7","3","7","3","6","5","1") = "6"
    & skf21("2","7","3","7","3","6","6","1") = "6"
    & skf21("2","7","3","7","3","6","7","1") = "6"
    & skf21("2","7","3","7","3","7","1","1") = "6"
    & skf21("2","7","3","7","3","7","2","1") = "6"
    & skf21("2","7","3","7","3","7","3","1") = "6"
    & skf21("2","7","3","7","3","7","4","1") = "6"
    & skf21("2","7","3","7","3","7","5","1") = "6"
    & skf21("2","7","3","7","3","7","6","1") = "6"
    & skf21("2","7","3","7","3","7","7","1") = "6"
    & skf21("2","7","3","7","4","1","1","1") = "6"
    & skf21("2","7","3","7","4","1","2","1") = "6"
    & skf21("2","7","3","7","4","1","3","1") = "6"
    & skf21("2","7","3","7","4","1","4","1") = "6"
    & skf21("2","7","3","7","4","1","5","1") = "6"
    & skf21("2","7","3","7","4","1","6","1") = "6"
    & skf21("2","7","3","7","4","1","7","1") = "6"
    & skf21("2","7","3","7","4","2","1","1") = "6"
    & skf21("2","7","3","7","4","2","2","1") = "6"
    & skf21("2","7","3","7","4","2","3","1") = "6"
    & skf21("2","7","3","7","4","2","4","1") = "6"
    & skf21("2","7","3","7","4","2","5","1") = "6"
    & skf21("2","7","3","7","4","2","6","1") = "6"
    & skf21("2","7","3","7","4","2","7","1") = "6"
    & skf21("2","7","3","7","4","3","1","1") = "6"
    & skf21("2","7","3","7","4","3","2","1") = "6"
    & skf21("2","7","3","7","4","3","3","1") = "6"
    & skf21("2","7","3","7","4","3","4","1") = "6"
    & skf21("2","7","3","7","4","3","5","1") = "6"
    & skf21("2","7","3","7","4","3","6","1") = "6"
    & skf21("2","7","3","7","4","3","7","1") = "6"
    & skf21("2","7","3","7","4","4","1","1") = "6"
    & skf21("2","7","3","7","4","4","2","1") = "6"
    & skf21("2","7","3","7","4","4","3","1") = "6"
    & skf21("2","7","3","7","4","4","4","1") = "6"
    & skf21("2","7","3","7","4","4","5","1") = "6"
    & skf21("2","7","3","7","4","4","6","1") = "6"
    & skf21("2","7","3","7","4","4","7","1") = "6"
    & skf21("2","7","3","7","4","5","1","1") = "6"
    & skf21("2","7","3","7","4","5","2","1") = "6"
    & skf21("2","7","3","7","4","5","3","1") = "6"
    & skf21("2","7","3","7","4","5","4","1") = "6"
    & skf21("2","7","3","7","4","5","5","1") = "6"
    & skf21("2","7","3","7","4","5","6","1") = "6"
    & skf21("2","7","3","7","4","5","7","1") = "6"
    & skf21("2","7","3","7","4","6","1","1") = "6"
    & skf21("2","7","3","7","4","6","2","1") = "6"
    & skf21("2","7","3","7","4","6","3","1") = "6"
    & skf21("2","7","3","7","4","6","4","1") = "6"
    & skf21("2","7","3","7","4","6","5","1") = "6"
    & skf21("2","7","3","7","4","6","6","1") = "6"
    & skf21("2","7","3","7","4","6","7","1") = "6"
    & skf21("2","7","3","7","4","7","1","1") = "6"
    & skf21("2","7","3","7","4","7","2","1") = "6"
    & skf21("2","7","3","7","4","7","3","1") = "6"
    & skf21("2","7","3","7","4","7","4","1") = "6"
    & skf21("2","7","3","7","4","7","5","1") = "6"
    & skf21("2","7","3","7","4","7","6","1") = "6"
    & skf21("2","7","3","7","4","7","7","1") = "6"
    & skf21("2","7","3","7","5","1","1","1") = "6"
    & skf21("2","7","3","7","5","1","2","1") = "6"
    & skf21("2","7","3","7","5","1","3","1") = "6"
    & skf21("2","7","3","7","5","1","4","1") = "6"
    & skf21("2","7","3","7","5","1","5","1") = "6"
    & skf21("2","7","3","7","5","1","6","1") = "6"
    & skf21("2","7","3","7","5","1","7","1") = "6"
    & skf21("2","7","3","7","5","2","1","1") = "6"
    & skf21("2","7","3","7","5","2","2","1") = "6"
    & skf21("2","7","3","7","5","2","3","1") = "6"
    & skf21("2","7","3","7","5","2","4","1") = "6"
    & skf21("2","7","3","7","5","2","5","1") = "6"
    & skf21("2","7","3","7","5","2","6","1") = "6"
    & skf21("2","7","3","7","5","2","7","1") = "6"
    & skf21("2","7","3","7","5","3","1","1") = "6"
    & skf21("2","7","3","7","5","3","2","1") = "6"
    & skf21("2","7","3","7","5","3","3","1") = "6"
    & skf21("2","7","3","7","5","3","4","1") = "6"
    & skf21("2","7","3","7","5","3","5","1") = "6"
    & skf21("2","7","3","7","5","3","6","1") = "6"
    & skf21("2","7","3","7","5","3","7","1") = "6"
    & skf21("2","7","3","7","5","4","1","1") = "6"
    & skf21("2","7","3","7","5","4","2","1") = "6"
    & skf21("2","7","3","7","5","4","3","1") = "6"
    & skf21("2","7","3","7","5","4","4","1") = "6"
    & skf21("2","7","3","7","5","4","5","1") = "6"
    & skf21("2","7","3","7","5","4","6","1") = "6"
    & skf21("2","7","3","7","5","4","7","1") = "6"
    & skf21("2","7","3","7","5","5","1","1") = "6"
    & skf21("2","7","3","7","5","5","2","1") = "6"
    & skf21("2","7","3","7","5","5","3","1") = "6"
    & skf21("2","7","3","7","5","5","4","1") = "6"
    & skf21("2","7","3","7","5","5","5","1") = "6"
    & skf21("2","7","3","7","5","5","6","1") = "6"
    & skf21("2","7","3","7","5","5","7","1") = "6"
    & skf21("2","7","3","7","5","6","1","1") = "6"
    & skf21("2","7","3","7","5","6","2","1") = "6"
    & skf21("2","7","3","7","5","6","3","1") = "6"
    & skf21("2","7","3","7","5","6","4","1") = "6"
    & skf21("2","7","3","7","5","6","5","1") = "6"
    & skf21("2","7","3","7","5","6","6","1") = "6"
    & skf21("2","7","3","7","5","6","7","1") = "6"
    & skf21("2","7","3","7","5","7","1","1") = "6"
    & skf21("2","7","3","7","5","7","2","1") = "6"
    & skf21("2","7","3","7","5","7","3","1") = "6"
    & skf21("2","7","3","7","5","7","4","1") = "6"
    & skf21("2","7","3","7","5","7","5","1") = "6"
    & skf21("2","7","3","7","5","7","6","1") = "6"
    & skf21("2","7","3","7","5","7","7","1") = "6"
    & skf21("2","7","3","7","6","1","1","1") = "6"
    & skf21("2","7","3","7","6","1","2","1") = "6"
    & skf21("2","7","3","7","6","1","3","1") = "6"
    & skf21("2","7","3","7","6","1","4","1") = "6"
    & skf21("2","7","3","7","6","1","5","1") = "6"
    & skf21("2","7","3","7","6","1","6","1") = "6"
    & skf21("2","7","3","7","6","1","7","1") = "6"
    & skf21("2","7","3","7","6","2","1","1") = "6"
    & skf21("2","7","3","7","6","2","2","1") = "6"
    & skf21("2","7","3","7","6","2","3","1") = "6"
    & skf21("2","7","3","7","6","2","4","1") = "6"
    & skf21("2","7","3","7","6","2","5","1") = "6"
    & skf21("2","7","3","7","6","2","6","1") = "6"
    & skf21("2","7","3","7","6","2","7","1") = "6"
    & skf21("2","7","3","7","6","3","1","1") = "6"
    & skf21("2","7","3","7","6","3","2","1") = "6"
    & skf21("2","7","3","7","6","3","3","1") = "6"
    & skf21("2","7","3","7","6","3","4","1") = "6"
    & skf21("2","7","3","7","6","3","5","1") = "6"
    & skf21("2","7","3","7","6","3","6","1") = "6"
    & skf21("2","7","3","7","6","3","7","1") = "6"
    & skf21("2","7","3","7","6","4","1","1") = "6"
    & skf21("2","7","3","7","6","4","2","1") = "6"
    & skf21("2","7","3","7","6","4","3","1") = "6"
    & skf21("2","7","3","7","6","4","4","1") = "6"
    & skf21("2","7","3","7","6","4","5","1") = "6"
    & skf21("2","7","3","7","6","4","6","1") = "6"
    & skf21("2","7","3","7","6","4","7","1") = "6"
    & skf21("2","7","3","7","6","5","1","1") = "6"
    & skf21("2","7","3","7","6","5","2","1") = "6"
    & skf21("2","7","3","7","6","5","3","1") = "6"
    & skf21("2","7","3","7","6","5","4","1") = "6"
    & skf21("2","7","3","7","6","5","5","1") = "6"
    & skf21("2","7","3","7","6","5","6","1") = "6"
    & skf21("2","7","3","7","6","5","7","1") = "6"
    & skf21("2","7","3","7","6","6","1","1") = "6"
    & skf21("2","7","3","7","6","6","2","1") = "6"
    & skf21("2","7","3","7","6","6","3","1") = "6"
    & skf21("2","7","3","7","6","6","4","1") = "6"
    & skf21("2","7","3","7","6","6","5","1") = "6"
    & skf21("2","7","3","7","6","6","6","1") = "6"
    & skf21("2","7","3","7","6","6","7","1") = "6"
    & skf21("2","7","3","7","6","7","1","1") = "6"
    & skf21("2","7","3","7","6","7","2","1") = "6"
    & skf21("2","7","3","7","6","7","3","1") = "6"
    & skf21("2","7","3","7","6","7","4","1") = "6"
    & skf21("2","7","3","7","6","7","5","1") = "6"
    & skf21("2","7","3","7","6","7","6","1") = "6"
    & skf21("2","7","3","7","6","7","7","1") = "6"
    & skf21("2","7","3","7","7","1","1","1") = "6"
    & skf21("2","7","3","7","7","1","2","1") = "6"
    & skf21("2","7","3","7","7","1","3","1") = "6"
    & skf21("2","7","3","7","7","1","4","1") = "6"
    & skf21("2","7","3","7","7","1","5","1") = "6"
    & skf21("2","7","3","7","7","1","6","1") = "6"
    & skf21("2","7","3","7","7","1","7","1") = "6"
    & skf21("2","7","3","7","7","2","1","1") = "6"
    & skf21("2","7","3","7","7","2","2","1") = "6"
    & skf21("2","7","3","7","7","2","3","1") = "6"
    & skf21("2","7","3","7","7","2","4","1") = "6"
    & skf21("2","7","3","7","7","2","5","1") = "6"
    & skf21("2","7","3","7","7","2","6","1") = "6"
    & skf21("2","7","3","7","7","2","7","1") = "6"
    & skf21("2","7","3","7","7","3","1","1") = "6"
    & skf21("2","7","3","7","7","3","2","1") = "6"
    & skf21("2","7","3","7","7","3","3","1") = "6"
    & skf21("2","7","3","7","7","3","4","1") = "6"
    & skf21("2","7","3","7","7","3","5","1") = "6"
    & skf21("2","7","3","7","7","3","6","1") = "6"
    & skf21("2","7","3","7","7","3","7","1") = "6"
    & skf21("2","7","3","7","7","4","1","1") = "6"
    & skf21("2","7","3","7","7","4","2","1") = "6"
    & skf21("2","7","3","7","7","4","3","1") = "6"
    & skf21("2","7","3","7","7","4","4","1") = "6"
    & skf21("2","7","3","7","7","4","5","1") = "6"
    & skf21("2","7","3","7","7","4","6","1") = "6"
    & skf21("2","7","3","7","7","4","7","1") = "6"
    & skf21("2","7","3","7","7","5","1","1") = "6"
    & skf21("2","7","3","7","7","5","2","1") = "6"
    & skf21("2","7","3","7","7","5","3","1") = "6"
    & skf21("2","7","3","7","7","5","4","1") = "6"
    & skf21("2","7","3","7","7","5","5","1") = "6"
    & skf21("2","7","3","7","7","5","6","1") = "6"
    & skf21("2","7","3","7","7","5","7","1") = "6"
    & skf21("2","7","3","7","7","6","1","1") = "6"
    & skf21("2","7","3","7","7","6","2","1") = "6"
    & skf21("2","7","3","7","7","6","3","1") = "6"
    & skf21("2","7","3","7","7","6","4","1") = "6"
    & skf21("2","7","3","7","7","6","5","1") = "6"
    & skf21("2","7","3","7","7","6","6","1") = "6"
    & skf21("2","7","3","7","7","6","7","1") = "6"
    & skf21("2","7","3","7","7","7","1","1") = "6"
    & skf21("2","7","3","7","7","7","2","1") = "6"
    & skf21("2","7","3","7","7","7","3","1") = "6"
    & skf21("2","7","3","7","7","7","4","1") = "6"
    & skf21("2","7","3","7","7","7","5","1") = "6"
    & skf21("2","7","3","7","7","7","6","1") = "6"
    & skf21("2","7","3","7","7","7","7","1") = "6"
    & skf21("2","7","4","1","1","1","1","1") = "6"
    & skf21("2","7","4","1","1","1","2","1") = "6"
    & skf21("2","7","4","1","1","1","3","1") = "6"
    & skf21("2","7","4","1","1","1","4","1") = "6"
    & skf21("2","7","4","1","1","1","5","1") = "6"
    & skf21("2","7","4","1","1","1","6","1") = "6"
    & skf21("2","7","4","1","1","1","7","1") = "6"
    & skf21("2","7","4","1","1","2","1","1") = "6"
    & skf21("2","7","4","1","1","2","2","1") = "6"
    & skf21("2","7","4","1","1","2","3","1") = "6"
    & skf21("2","7","4","1","1","2","4","1") = "6"
    & skf21("2","7","4","1","1","2","5","1") = "6"
    & skf21("2","7","4","1","1","2","6","1") = "6"
    & skf21("2","7","4","1","1","2","7","1") = "6"
    & skf21("2","7","4","1","1","3","1","1") = "6"
    & skf21("2","7","4","1","1","3","2","1") = "6"
    & skf21("2","7","4","1","1","3","3","1") = "6"
    & skf21("2","7","4","1","1","3","4","1") = "6"
    & skf21("2","7","4","1","1","3","5","1") = "6"
    & skf21("2","7","4","1","1","3","6","1") = "6"
    & skf21("2","7","4","1","1","3","7","1") = "6"
    & skf21("2","7","4","1","1","4","1","1") = "6"
    & skf21("2","7","4","1","1","4","2","1") = "6"
    & skf21("2","7","4","1","1","4","3","1") = "6"
    & skf21("2","7","4","1","1","4","4","1") = "6"
    & skf21("2","7","4","1","1","4","5","1") = "6"
    & skf21("2","7","4","1","1","4","6","1") = "6"
    & skf21("2","7","4","1","1","4","7","1") = "6"
    & skf21("2","7","4","1","1","5","1","1") = "6"
    & skf21("2","7","4","1","1","5","2","1") = "6"
    & skf21("2","7","4","1","1","5","3","1") = "6"
    & skf21("2","7","4","1","1","5","4","1") = "6"
    & skf21("2","7","4","1","1","5","5","1") = "6"
    & skf21("2","7","4","1","1","5","6","1") = "6"
    & skf21("2","7","4","1","1","5","7","1") = "6"
    & skf21("2","7","4","1","1","6","1","1") = "6"
    & skf21("2","7","4","1","1","6","2","1") = "6"
    & skf21("2","7","4","1","1","6","3","1") = "6"
    & skf21("2","7","4","1","1","6","4","1") = "6"
    & skf21("2","7","4","1","1","6","5","1") = "6"
    & skf21("2","7","4","1","1","6","6","1") = "6"
    & skf21("2","7","4","1","1","6","7","1") = "6"
    & skf21("2","7","4","1","1","7","1","1") = "6"
    & skf21("2","7","4","1","1","7","2","1") = "6"
    & skf21("2","7","4","1","1","7","3","1") = "6"
    & skf21("2","7","4","1","1","7","4","1") = "6"
    & skf21("2","7","4","1","1","7","5","1") = "6"
    & skf21("2","7","4","1","1","7","6","1") = "6"
    & skf21("2","7","4","1","1","7","7","1") = "6"
    & skf21("2","7","4","1","2","1","1","1") = "6"
    & skf21("2","7","4","1","2","1","2","1") = "6"
    & skf21("2","7","4","1","2","1","3","1") = "6"
    & skf21("2","7","4","1","2","1","4","1") = "6"
    & skf21("2","7","4","1","2","1","5","1") = "6"
    & skf21("2","7","4","1","2","1","6","1") = "6"
    & skf21("2","7","4","1","2","1","7","1") = "6"
    & skf21("2","7","4","1","2","2","1","1") = "6"
    & skf21("2","7","4","1","2","2","2","1") = "6"
    & skf21("2","7","4","1","2","2","3","1") = "6"
    & skf21("2","7","4","1","2","2","4","1") = "6"
    & skf21("2","7","4","1","2","2","5","1") = "6"
    & skf21("2","7","4","1","2","2","6","1") = "6"
    & skf21("2","7","4","1","2","2","7","1") = "6"
    & skf21("2","7","4","1","2","3","1","1") = "6"
    & skf21("2","7","4","1","2","3","2","1") = "6"
    & skf21("2","7","4","1","2","3","3","1") = "6"
    & skf21("2","7","4","1","2","3","4","1") = "6"
    & skf21("2","7","4","1","2","3","5","1") = "6"
    & skf21("2","7","4","1","2","3","6","1") = "6"
    & skf21("2","7","4","1","2","3","7","1") = "6"
    & skf21("2","7","4","1","2","4","1","1") = "6"
    & skf21("2","7","4","1","2","4","2","1") = "6"
    & skf21("2","7","4","1","2","4","3","1") = "6"
    & skf21("2","7","4","1","2","4","4","1") = "6"
    & skf21("2","7","4","1","2","4","5","1") = "6"
    & skf21("2","7","4","1","2","4","6","1") = "6"
    & skf21("2","7","4","1","2","4","7","1") = "6"
    & skf21("2","7","4","1","2","5","1","1") = "6"
    & skf21("2","7","4","1","2","5","2","1") = "6"
    & skf21("2","7","4","1","2","5","3","1") = "6"
    & skf21("2","7","4","1","2","5","4","1") = "6"
    & skf21("2","7","4","1","2","5","5","1") = "6"
    & skf21("2","7","4","1","2","5","6","1") = "6"
    & skf21("2","7","4","1","2","5","7","1") = "6"
    & skf21("2","7","4","1","2","6","1","1") = "6"
    & skf21("2","7","4","1","2","6","2","1") = "6"
    & skf21("2","7","4","1","2","6","3","1") = "6"
    & skf21("2","7","4","1","2","6","4","1") = "6"
    & skf21("2","7","4","1","2","6","5","1") = "6"
    & skf21("2","7","4","1","2","6","6","1") = "6"
    & skf21("2","7","4","1","2","6","7","1") = "6"
    & skf21("2","7","4","1","2","7","1","1") = "6"
    & skf21("2","7","4","1","2","7","2","1") = "6"
    & skf21("2","7","4","1","2","7","3","1") = "6"
    & skf21("2","7","4","1","2","7","4","1") = "6"
    & skf21("2","7","4","1","2","7","5","1") = "6"
    & skf21("2","7","4","1","2","7","6","1") = "6"
    & skf21("2","7","4","1","2","7","7","1") = "6"
    & skf21("2","7","4","1","3","1","1","1") = "6"
    & skf21("2","7","4","1","3","1","2","1") = "6"
    & skf21("2","7","4","1","3","1","3","1") = "6"
    & skf21("2","7","4","1","3","1","4","1") = "6"
    & skf21("2","7","4","1","3","1","5","1") = "6"
    & skf21("2","7","4","1","3","1","6","1") = "6"
    & skf21("2","7","4","1","3","1","7","1") = "6"
    & skf21("2","7","4","1","3","2","1","1") = "6"
    & skf21("2","7","4","1","3","2","2","1") = "6"
    & skf21("2","7","4","1","3","2","3","1") = "6"
    & skf21("2","7","4","1","3","2","4","1") = "6"
    & skf21("2","7","4","1","3","2","5","1") = "6"
    & skf21("2","7","4","1","3","2","6","1") = "6"
    & skf21("2","7","4","1","3","2","7","1") = "6"
    & skf21("2","7","4","1","3","3","1","1") = "6"
    & skf21("2","7","4","1","3","3","2","1") = "6"
    & skf21("2","7","4","1","3","3","3","1") = "6"
    & skf21("2","7","4","1","3","3","4","1") = "6"
    & skf21("2","7","4","1","3","3","5","1") = "6"
    & skf21("2","7","4","1","3","3","6","1") = "6"
    & skf21("2","7","4","1","3","3","7","1") = "6"
    & skf21("2","7","4","1","3","4","1","1") = "6"
    & skf21("2","7","4","1","3","4","2","1") = "6"
    & skf21("2","7","4","1","3","4","3","1") = "6"
    & skf21("2","7","4","1","3","4","4","1") = "6"
    & skf21("2","7","4","1","3","4","5","1") = "6"
    & skf21("2","7","4","1","3","4","6","1") = "6"
    & skf21("2","7","4","1","3","4","7","1") = "6"
    & skf21("2","7","4","1","3","5","1","1") = "6"
    & skf21("2","7","4","1","3","5","2","1") = "6"
    & skf21("2","7","4","1","3","5","3","1") = "6"
    & skf21("2","7","4","1","3","5","4","1") = "6"
    & skf21("2","7","4","1","3","5","5","1") = "6"
    & skf21("2","7","4","1","3","5","6","1") = "6"
    & skf21("2","7","4","1","3","5","7","1") = "6"
    & skf21("2","7","4","1","3","6","1","1") = "6"
    & skf21("2","7","4","1","3","6","2","1") = "6"
    & skf21("2","7","4","1","3","6","3","1") = "6"
    & skf21("2","7","4","1","3","6","4","1") = "6"
    & skf21("2","7","4","1","3","6","5","1") = "6"
    & skf21("2","7","4","1","3","6","6","1") = "6"
    & skf21("2","7","4","1","3","6","7","1") = "6"
    & skf21("2","7","4","1","3","7","1","1") = "6"
    & skf21("2","7","4","1","3","7","2","1") = "6"
    & skf21("2","7","4","1","3","7","3","1") = "6"
    & skf21("2","7","4","1","3","7","4","1") = "6"
    & skf21("2","7","4","1","3","7","5","1") = "6"
    & skf21("2","7","4","1","3","7","6","1") = "6"
    & skf21("2","7","4","1","3","7","7","1") = "6"
    & skf21("2","7","4","1","4","1","1","1") = "6"
    & skf21("2","7","4","1","4","1","2","1") = "6"
    & skf21("2","7","4","1","4","1","3","1") = "6"
    & skf21("2","7","4","1","4","1","4","1") = "6"
    & skf21("2","7","4","1","4","1","5","1") = "6"
    & skf21("2","7","4","1","4","1","6","1") = "6"
    & skf21("2","7","4","1","4","1","7","1") = "6"
    & skf21("2","7","4","1","4","2","1","1") = "6"
    & skf21("2","7","4","1","4","2","2","1") = "6"
    & skf21("2","7","4","1","4","2","3","1") = "6"
    & skf21("2","7","4","1","4","2","4","1") = "6"
    & skf21("2","7","4","1","4","2","5","1") = "6"
    & skf21("2","7","4","1","4","2","6","1") = "6"
    & skf21("2","7","4","1","4","2","7","1") = "6"
    & skf21("2","7","4","1","4","3","1","1") = "6"
    & skf21("2","7","4","1","4","3","2","1") = "6"
    & skf21("2","7","4","1","4","3","3","1") = "6"
    & skf21("2","7","4","1","4","3","4","1") = "6"
    & skf21("2","7","4","1","4","3","5","1") = "6"
    & skf21("2","7","4","1","4","3","6","1") = "6"
    & skf21("2","7","4","1","4","3","7","1") = "6"
    & skf21("2","7","4","1","4","4","1","1") = "6"
    & skf21("2","7","4","1","4","4","2","1") = "6"
    & skf21("2","7","4","1","4","4","3","1") = "6"
    & skf21("2","7","4","1","4","4","4","1") = "6"
    & skf21("2","7","4","1","4","4","5","1") = "6"
    & skf21("2","7","4","1","4","4","6","1") = "6"
    & skf21("2","7","4","1","4","4","7","1") = "6"
    & skf21("2","7","4","1","4","5","1","1") = "6"
    & skf21("2","7","4","1","4","5","2","1") = "6"
    & skf21("2","7","4","1","4","5","3","1") = "6"
    & skf21("2","7","4","1","4","5","4","1") = "6"
    & skf21("2","7","4","1","4","5","5","1") = "6"
    & skf21("2","7","4","1","4","5","6","1") = "6"
    & skf21("2","7","4","1","4","5","7","1") = "6"
    & skf21("2","7","4","1","4","6","1","1") = "6"
    & skf21("2","7","4","1","4","6","2","1") = "6"
    & skf21("2","7","4","1","4","6","3","1") = "6"
    & skf21("2","7","4","1","4","6","4","1") = "6"
    & skf21("2","7","4","1","4","6","5","1") = "6"
    & skf21("2","7","4","1","4","6","6","1") = "6"
    & skf21("2","7","4","1","4","6","7","1") = "6"
    & skf21("2","7","4","1","4","7","1","1") = "6"
    & skf21("2","7","4","1","4","7","2","1") = "6"
    & skf21("2","7","4","1","4","7","3","1") = "6"
    & skf21("2","7","4","1","4","7","4","1") = "6"
    & skf21("2","7","4","1","4","7","5","1") = "6"
    & skf21("2","7","4","1","4","7","6","1") = "6"
    & skf21("2","7","4","1","4","7","7","1") = "6"
    & skf21("2","7","4","1","5","1","1","1") = "6"
    & skf21("2","7","4","1","5","1","2","1") = "6"
    & skf21("2","7","4","1","5","1","3","1") = "6"
    & skf21("2","7","4","1","5","1","4","1") = "6"
    & skf21("2","7","4","1","5","1","5","1") = "6"
    & skf21("2","7","4","1","5","1","6","1") = "6"
    & skf21("2","7","4","1","5","1","7","1") = "6"
    & skf21("2","7","4","1","5","2","1","1") = "6"
    & skf21("2","7","4","1","5","2","2","1") = "6"
    & skf21("2","7","4","1","5","2","3","1") = "6"
    & skf21("2","7","4","1","5","2","4","1") = "6"
    & skf21("2","7","4","1","5","2","5","1") = "6"
    & skf21("2","7","4","1","5","2","6","1") = "6"
    & skf21("2","7","4","1","5","2","7","1") = "6"
    & skf21("2","7","4","1","5","3","1","1") = "6"
    & skf21("2","7","4","1","5","3","2","1") = "6"
    & skf21("2","7","4","1","5","3","3","1") = "6"
    & skf21("2","7","4","1","5","3","4","1") = "6"
    & skf21("2","7","4","1","5","3","5","1") = "6"
    & skf21("2","7","4","1","5","3","6","1") = "6"
    & skf21("2","7","4","1","5","3","7","1") = "6"
    & skf21("2","7","4","1","5","4","1","1") = "6"
    & skf21("2","7","4","1","5","4","2","1") = "6"
    & skf21("2","7","4","1","5","4","3","1") = "6"
    & skf21("2","7","4","1","5","4","4","1") = "6"
    & skf21("2","7","4","1","5","4","5","1") = "6"
    & skf21("2","7","4","1","5","4","6","1") = "6"
    & skf21("2","7","4","1","5","4","7","1") = "6"
    & skf21("2","7","4","1","5","5","1","1") = "6"
    & skf21("2","7","4","1","5","5","2","1") = "6"
    & skf21("2","7","4","1","5","5","3","1") = "6"
    & skf21("2","7","4","1","5","5","4","1") = "6"
    & skf21("2","7","4","1","5","5","5","1") = "6"
    & skf21("2","7","4","1","5","5","6","1") = "6"
    & skf21("2","7","4","1","5","5","7","1") = "6"
    & skf21("2","7","4","1","5","6","1","1") = "6"
    & skf21("2","7","4","1","5","6","2","1") = "6"
    & skf21("2","7","4","1","5","6","3","1") = "6"
    & skf21("2","7","4","1","5","6","4","1") = "6"
    & skf21("2","7","4","1","5","6","5","1") = "6"
    & skf21("2","7","4","1","5","6","6","1") = "6"
    & skf21("2","7","4","1","5","6","7","1") = "6"
    & skf21("2","7","4","1","5","7","1","1") = "6"
    & skf21("2","7","4","1","5","7","2","1") = "6"
    & skf21("2","7","4","1","5","7","3","1") = "6"
    & skf21("2","7","4","1","5","7","4","1") = "6"
    & skf21("2","7","4","1","5","7","5","1") = "6"
    & skf21("2","7","4","1","5","7","6","1") = "6"
    & skf21("2","7","4","1","5","7","7","1") = "6"
    & skf21("2","7","4","1","6","1","1","1") = "6"
    & skf21("2","7","4","1","6","1","2","1") = "6"
    & skf21("2","7","4","1","6","1","3","1") = "6"
    & skf21("2","7","4","1","6","1","4","1") = "6"
    & skf21("2","7","4","1","6","1","5","1") = "6"
    & skf21("2","7","4","1","6","1","6","1") = "6"
    & skf21("2","7","4","1","6","1","7","1") = "6"
    & skf21("2","7","4","1","6","2","1","1") = "6"
    & skf21("2","7","4","1","6","2","2","1") = "6"
    & skf21("2","7","4","1","6","2","3","1") = "6"
    & skf21("2","7","4","1","6","2","4","1") = "6"
    & skf21("2","7","4","1","6","2","5","1") = "6"
    & skf21("2","7","4","1","6","2","6","1") = "6"
    & skf21("2","7","4","1","6","2","7","1") = "6"
    & skf21("2","7","4","1","6","3","1","1") = "6"
    & skf21("2","7","4","1","6","3","2","1") = "6"
    & skf21("2","7","4","1","6","3","3","1") = "6"
    & skf21("2","7","4","1","6","3","4","1") = "6"
    & skf21("2","7","4","1","6","3","5","1") = "6"
    & skf21("2","7","4","1","6","3","6","1") = "6"
    & skf21("2","7","4","1","6","3","7","1") = "6"
    & skf21("2","7","4","1","6","4","1","1") = "6"
    & skf21("2","7","4","1","6","4","2","1") = "6"
    & skf21("2","7","4","1","6","4","3","1") = "6"
    & skf21("2","7","4","1","6","4","4","1") = "6"
    & skf21("2","7","4","1","6","4","5","1") = "6"
    & skf21("2","7","4","1","6","4","6","1") = "6"
    & skf21("2","7","4","1","6","4","7","1") = "6"
    & skf21("2","7","4","1","6","5","1","1") = "6"
    & skf21("2","7","4","1","6","5","2","1") = "6"
    & skf21("2","7","4","1","6","5","3","1") = "6"
    & skf21("2","7","4","1","6","5","4","1") = "6"
    & skf21("2","7","4","1","6","5","5","1") = "6"
    & skf21("2","7","4","1","6","5","6","1") = "6"
    & skf21("2","7","4","1","6","5","7","1") = "6"
    & skf21("2","7","4","1","6","6","1","1") = "6"
    & skf21("2","7","4","1","6","6","2","1") = "6"
    & skf21("2","7","4","1","6","6","3","1") = "6"
    & skf21("2","7","4","1","6","6","4","1") = "6"
    & skf21("2","7","4","1","6","6","5","1") = "6"
    & skf21("2","7","4","1","6","6","6","1") = "6"
    & skf21("2","7","4","1","6","6","7","1") = "6"
    & skf21("2","7","4","1","6","7","1","1") = "6"
    & skf21("2","7","4","1","6","7","2","1") = "6"
    & skf21("2","7","4","1","6","7","3","1") = "6"
    & skf21("2","7","4","1","6","7","4","1") = "6"
    & skf21("2","7","4","1","6","7","5","1") = "6"
    & skf21("2","7","4","1","6","7","6","1") = "6"
    & skf21("2","7","4","1","6","7","7","1") = "6"
    & skf21("2","7","4","1","7","1","1","1") = "6"
    & skf21("2","7","4","1","7","1","2","1") = "6"
    & skf21("2","7","4","1","7","1","3","1") = "6"
    & skf21("2","7","4","1","7","1","4","1") = "6"
    & skf21("2","7","4","1","7","1","5","1") = "6"
    & skf21("2","7","4","1","7","1","6","1") = "6"
    & skf21("2","7","4","1","7","1","7","1") = "6"
    & skf21("2","7","4","1","7","2","1","1") = "6"
    & skf21("2","7","4","1","7","2","2","1") = "6"
    & skf21("2","7","4","1","7","2","3","1") = "6"
    & skf21("2","7","4","1","7","2","4","1") = "6"
    & skf21("2","7","4","1","7","2","5","1") = "6"
    & skf21("2","7","4","1","7","2","6","1") = "6"
    & skf21("2","7","4","1","7","2","7","1") = "6"
    & skf21("2","7","4","1","7","3","1","1") = "6"
    & skf21("2","7","4","1","7","3","2","1") = "6"
    & skf21("2","7","4","1","7","3","3","1") = "6"
    & skf21("2","7","4","1","7","3","4","1") = "6"
    & skf21("2","7","4","1","7","3","5","1") = "6"
    & skf21("2","7","4","1","7","3","6","1") = "6"
    & skf21("2","7","4","1","7","3","7","1") = "6"
    & skf21("2","7","4","1","7","4","1","1") = "6"
    & skf21("2","7","4","1","7","4","2","1") = "6"
    & skf21("2","7","4","1","7","4","3","1") = "6"
    & skf21("2","7","4","1","7","4","4","1") = "6"
    & skf21("2","7","4","1","7","4","5","1") = "6"
    & skf21("2","7","4","1","7","4","6","1") = "6"
    & skf21("2","7","4","1","7","4","7","1") = "6"
    & skf21("2","7","4","1","7","5","1","1") = "6"
    & skf21("2","7","4","1","7","5","2","1") = "6"
    & skf21("2","7","4","1","7","5","3","1") = "6"
    & skf21("2","7","4","1","7","5","4","1") = "6"
    & skf21("2","7","4","1","7","5","5","1") = "6"
    & skf21("2","7","4","1","7","5","6","1") = "6"
    & skf21("2","7","4","1","7","5","7","1") = "6"
    & skf21("2","7","4","1","7","6","1","1") = "6"
    & skf21("2","7","4","1","7","6","2","1") = "6"
    & skf21("2","7","4","1","7","6","3","1") = "6"
    & skf21("2","7","4","1","7","6","4","1") = "6"
    & skf21("2","7","4","1","7","6","5","1") = "6"
    & skf21("2","7","4","1","7","6","6","1") = "6"
    & skf21("2","7","4","1","7","6","7","1") = "6"
    & skf21("2","7","4","1","7","7","1","1") = "6"
    & skf21("2","7","4","1","7","7","2","1") = "6"
    & skf21("2","7","4","1","7","7","3","1") = "6"
    & skf21("2","7","4","1","7","7","4","1") = "6"
    & skf21("2","7","4","1","7","7","5","1") = "6"
    & skf21("2","7","4","1","7","7","6","1") = "6"
    & skf21("2","7","4","1","7","7","7","1") = "6"
    & skf21("2","7","4","2","1","1","1","1") = "6"
    & skf21("2","7","4","2","1","1","2","1") = "6"
    & skf21("2","7","4","2","1","1","3","1") = "6"
    & skf21("2","7","4","2","1","1","4","1") = "6"
    & skf21("2","7","4","2","1","1","5","1") = "6"
    & skf21("2","7","4","2","1","1","6","1") = "6"
    & skf21("2","7","4","2","1","1","7","1") = "6"
    & skf21("2","7","4","2","1","2","1","1") = "6"
    & skf21("2","7","4","2","1","2","2","1") = "6"
    & skf21("2","7","4","2","1","2","3","1") = "6"
    & skf21("2","7","4","2","1","2","4","1") = "6"
    & skf21("2","7","4","2","1","2","5","1") = "6"
    & skf21("2","7","4","2","1","2","6","1") = "6"
    & skf21("2","7","4","2","1","2","7","1") = "6"
    & skf21("2","7","4","2","1","3","1","1") = "6"
    & skf21("2","7","4","2","1","3","2","1") = "6"
    & skf21("2","7","4","2","1","3","3","1") = "6"
    & skf21("2","7","4","2","1","3","4","1") = "6"
    & skf21("2","7","4","2","1","3","5","1") = "6"
    & skf21("2","7","4","2","1","3","6","1") = "6"
    & skf21("2","7","4","2","1","3","7","1") = "6"
    & skf21("2","7","4","2","1","4","1","1") = "6"
    & skf21("2","7","4","2","1","4","2","1") = "6"
    & skf21("2","7","4","2","1","4","3","1") = "6"
    & skf21("2","7","4","2","1","4","4","1") = "6"
    & skf21("2","7","4","2","1","4","5","1") = "6"
    & skf21("2","7","4","2","1","4","6","1") = "6"
    & skf21("2","7","4","2","1","4","7","1") = "6"
    & skf21("2","7","4","2","1","5","1","1") = "6"
    & skf21("2","7","4","2","1","5","2","1") = "6"
    & skf21("2","7","4","2","1","5","3","1") = "6"
    & skf21("2","7","4","2","1","5","4","1") = "6"
    & skf21("2","7","4","2","1","5","5","1") = "6"
    & skf21("2","7","4","2","1","5","6","1") = "6"
    & skf21("2","7","4","2","1","5","7","1") = "6"
    & skf21("2","7","4","2","1","6","1","1") = "6"
    & skf21("2","7","4","2","1","6","2","1") = "6"
    & skf21("2","7","4","2","1","6","3","1") = "6"
    & skf21("2","7","4","2","1","6","4","1") = "6"
    & skf21("2","7","4","2","1","6","5","1") = "6"
    & skf21("2","7","4","2","1","6","6","1") = "6"
    & skf21("2","7","4","2","1","6","7","1") = "6"
    & skf21("2","7","4","2","1","7","1","1") = "6"
    & skf21("2","7","4","2","1","7","2","1") = "6"
    & skf21("2","7","4","2","1","7","3","1") = "6"
    & skf21("2","7","4","2","1","7","4","1") = "6"
    & skf21("2","7","4","2","1","7","5","1") = "6"
    & skf21("2","7","4","2","1","7","6","1") = "6"
    & skf21("2","7","4","2","1","7","7","1") = "6"
    & skf21("2","7","4","2","2","1","1","1") = "6"
    & skf21("2","7","4","2","2","1","2","1") = "6"
    & skf21("2","7","4","2","2","1","3","1") = "6"
    & skf21("2","7","4","2","2","1","4","1") = "6"
    & skf21("2","7","4","2","2","1","5","1") = "6"
    & skf21("2","7","4","2","2","1","6","1") = "6"
    & skf21("2","7","4","2","2","1","7","1") = "6"
    & skf21("2","7","4","2","2","2","1","1") = "6"
    & skf21("2","7","4","2","2","2","2","1") = "6"
    & skf21("2","7","4","2","2","2","3","1") = "6"
    & skf21("2","7","4","2","2","2","4","1") = "6"
    & skf21("2","7","4","2","2","2","5","1") = "6"
    & skf21("2","7","4","2","2","2","6","1") = "6"
    & skf21("2","7","4","2","2","2","7","1") = "6"
    & skf21("2","7","4","2","2","3","1","1") = "6"
    & skf21("2","7","4","2","2","3","2","1") = "6"
    & skf21("2","7","4","2","2","3","3","1") = "6"
    & skf21("2","7","4","2","2","3","4","1") = "6"
    & skf21("2","7","4","2","2","3","5","1") = "6"
    & skf21("2","7","4","2","2","3","6","1") = "6"
    & skf21("2","7","4","2","2","3","7","1") = "6"
    & skf21("2","7","4","2","2","4","1","1") = "6"
    & skf21("2","7","4","2","2","4","2","1") = "6"
    & skf21("2","7","4","2","2","4","3","1") = "6"
    & skf21("2","7","4","2","2","4","4","1") = "6"
    & skf21("2","7","4","2","2","4","5","1") = "6"
    & skf21("2","7","4","2","2","4","6","1") = "6"
    & skf21("2","7","4","2","2","4","7","1") = "6"
    & skf21("2","7","4","2","2","5","1","1") = "6"
    & skf21("2","7","4","2","2","5","2","1") = "6"
    & skf21("2","7","4","2","2","5","3","1") = "6"
    & skf21("2","7","4","2","2","5","4","1") = "6"
    & skf21("2","7","4","2","2","5","5","1") = "6"
    & skf21("2","7","4","2","2","5","6","1") = "6"
    & skf21("2","7","4","2","2","5","7","1") = "6"
    & skf21("2","7","4","2","2","6","1","1") = "6"
    & skf21("2","7","4","2","2","6","2","1") = "6"
    & skf21("2","7","4","2","2","6","3","1") = "6"
    & skf21("2","7","4","2","2","6","4","1") = "6"
    & skf21("2","7","4","2","2","6","5","1") = "6"
    & skf21("2","7","4","2","2","6","6","1") = "6"
    & skf21("2","7","4","2","2","6","7","1") = "6"
    & skf21("2","7","4","2","2","7","1","1") = "6"
    & skf21("2","7","4","2","2","7","2","1") = "6"
    & skf21("2","7","4","2","2","7","3","1") = "6"
    & skf21("2","7","4","2","2","7","4","1") = "6"
    & skf21("2","7","4","2","2","7","5","1") = "6"
    & skf21("2","7","4","2","2","7","6","1") = "6"
    & skf21("2","7","4","2","2","7","7","1") = "6"
    & skf21("2","7","4","2","3","1","1","1") = "6"
    & skf21("2","7","4","2","3","1","2","1") = "6"
    & skf21("2","7","4","2","3","1","3","1") = "6"
    & skf21("2","7","4","2","3","1","4","1") = "6"
    & skf21("2","7","4","2","3","1","5","1") = "6"
    & skf21("2","7","4","2","3","1","6","1") = "6"
    & skf21("2","7","4","2","3","1","7","1") = "6"
    & skf21("2","7","4","2","3","2","1","1") = "6"
    & skf21("2","7","4","2","3","2","2","1") = "6"
    & skf21("2","7","4","2","3","2","3","1") = "6"
    & skf21("2","7","4","2","3","2","4","1") = "6"
    & skf21("2","7","4","2","3","2","5","1") = "6"
    & skf21("2","7","4","2","3","2","6","1") = "6"
    & skf21("2","7","4","2","3","2","7","1") = "6"
    & skf21("2","7","4","2","3","3","1","1") = "6"
    & skf21("2","7","4","2","3","3","2","1") = "6"
    & skf21("2","7","4","2","3","3","3","1") = "6"
    & skf21("2","7","4","2","3","3","4","1") = "6"
    & skf21("2","7","4","2","3","3","5","1") = "6"
    & skf21("2","7","4","2","3","3","6","1") = "6"
    & skf21("2","7","4","2","3","3","7","1") = "6"
    & skf21("2","7","4","2","3","4","1","1") = "6"
    & skf21("2","7","4","2","3","4","2","1") = "6"
    & skf21("2","7","4","2","3","4","3","1") = "6"
    & skf21("2","7","4","2","3","4","4","1") = "6"
    & skf21("2","7","4","2","3","4","5","1") = "6"
    & skf21("2","7","4","2","3","4","6","1") = "6"
    & skf21("2","7","4","2","3","4","7","1") = "6"
    & skf21("2","7","4","2","3","5","1","1") = "6"
    & skf21("2","7","4","2","3","5","2","1") = "6"
    & skf21("2","7","4","2","3","5","3","1") = "6"
    & skf21("2","7","4","2","3","5","4","1") = "6"
    & skf21("2","7","4","2","3","5","5","1") = "6"
    & skf21("2","7","4","2","3","5","6","1") = "6"
    & skf21("2","7","4","2","3","5","7","1") = "6"
    & skf21("2","7","4","2","3","6","1","1") = "6"
    & skf21("2","7","4","2","3","6","2","1") = "6"
    & skf21("2","7","4","2","3","6","3","1") = "6"
    & skf21("2","7","4","2","3","6","4","1") = "6"
    & skf21("2","7","4","2","3","6","5","1") = "6"
    & skf21("2","7","4","2","3","6","6","1") = "6"
    & skf21("2","7","4","2","3","6","7","1") = "6"
    & skf21("2","7","4","2","3","7","1","1") = "6"
    & skf21("2","7","4","2","3","7","2","1") = "6"
    & skf21("2","7","4","2","3","7","3","1") = "6"
    & skf21("2","7","4","2","3","7","4","1") = "6"
    & skf21("2","7","4","2","3","7","5","1") = "6"
    & skf21("2","7","4","2","3","7","6","1") = "6"
    & skf21("2","7","4","2","3","7","7","1") = "6"
    & skf21("2","7","4","2","4","1","1","1") = "6"
    & skf21("2","7","4","2","4","1","2","1") = "6"
    & skf21("2","7","4","2","4","1","3","1") = "6"
    & skf21("2","7","4","2","4","1","4","1") = "6"
    & skf21("2","7","4","2","4","1","5","1") = "6"
    & skf21("2","7","4","2","4","1","6","1") = "6"
    & skf21("2","7","4","2","4","1","7","1") = "6"
    & skf21("2","7","4","2","4","2","1","1") = "6"
    & skf21("2","7","4","2","4","2","2","1") = "6"
    & skf21("2","7","4","2","4","2","3","1") = "6"
    & skf21("2","7","4","2","4","2","4","1") = "6"
    & skf21("2","7","4","2","4","2","5","1") = "6"
    & skf21("2","7","4","2","4","2","6","1") = "6"
    & skf21("2","7","4","2","4","2","7","1") = "6"
    & skf21("2","7","4","2","4","3","1","1") = "6"
    & skf21("2","7","4","2","4","3","2","1") = "6"
    & skf21("2","7","4","2","4","3","3","1") = "6"
    & skf21("2","7","4","2","4","3","4","1") = "6"
    & skf21("2","7","4","2","4","3","5","1") = "6"
    & skf21("2","7","4","2","4","3","6","1") = "6"
    & skf21("2","7","4","2","4","3","7","1") = "6"
    & skf21("2","7","4","2","4","4","1","1") = "6"
    & skf21("2","7","4","2","4","4","2","1") = "6"
    & skf21("2","7","4","2","4","4","3","1") = "6"
    & skf21("2","7","4","2","4","4","4","1") = "6"
    & skf21("2","7","4","2","4","4","5","1") = "6"
    & skf21("2","7","4","2","4","4","6","1") = "6"
    & skf21("2","7","4","2","4","4","7","1") = "6"
    & skf21("2","7","4","2","4","5","1","1") = "6"
    & skf21("2","7","4","2","4","5","2","1") = "6"
    & skf21("2","7","4","2","4","5","3","1") = "6"
    & skf21("2","7","4","2","4","5","4","1") = "6"
    & skf21("2","7","4","2","4","5","5","1") = "6"
    & skf21("2","7","4","2","4","5","6","1") = "6"
    & skf21("2","7","4","2","4","5","7","1") = "6"
    & skf21("2","7","4","2","4","6","1","1") = "6"
    & skf21("2","7","4","2","4","6","2","1") = "6"
    & skf21("2","7","4","2","4","6","3","1") = "6"
    & skf21("2","7","4","2","4","6","4","1") = "6"
    & skf21("2","7","4","2","4","6","5","1") = "6"
    & skf21("2","7","4","2","4","6","6","1") = "6"
    & skf21("2","7","4","2","4","6","7","1") = "6"
    & skf21("2","7","4","2","4","7","1","1") = "6"
    & skf21("2","7","4","2","4","7","2","1") = "6"
    & skf21("2","7","4","2","4","7","3","1") = "6"
    & skf21("2","7","4","2","4","7","4","1") = "6"
    & skf21("2","7","4","2","4","7","5","1") = "6"
    & skf21("2","7","4","2","4","7","6","1") = "6"
    & skf21("2","7","4","2","4","7","7","1") = "6"
    & skf21("2","7","4","2","5","1","1","1") = "6"
    & skf21("2","7","4","2","5","1","2","1") = "6"
    & skf21("2","7","4","2","5","1","3","1") = "6"
    & skf21("2","7","4","2","5","1","4","1") = "6"
    & skf21("2","7","4","2","5","1","5","1") = "6"
    & skf21("2","7","4","2","5","1","6","1") = "6"
    & skf21("2","7","4","2","5","1","7","1") = "6"
    & skf21("2","7","4","2","5","2","1","1") = "6"
    & skf21("2","7","4","2","5","2","2","1") = "6"
    & skf21("2","7","4","2","5","2","3","1") = "6"
    & skf21("2","7","4","2","5","2","4","1") = "6"
    & skf21("2","7","4","2","5","2","5","1") = "6"
    & skf21("2","7","4","2","5","2","6","1") = "6"
    & skf21("2","7","4","2","5","2","7","1") = "6"
    & skf21("2","7","4","2","5","3","1","1") = "6"
    & skf21("2","7","4","2","5","3","2","1") = "6"
    & skf21("2","7","4","2","5","3","3","1") = "6"
    & skf21("2","7","4","2","5","3","4","1") = "6"
    & skf21("2","7","4","2","5","3","5","1") = "6"
    & skf21("2","7","4","2","5","3","6","1") = "6"
    & skf21("2","7","4","2","5","3","7","1") = "6"
    & skf21("2","7","4","2","5","4","1","1") = "6"
    & skf21("2","7","4","2","5","4","2","1") = "6"
    & skf21("2","7","4","2","5","4","3","1") = "6"
    & skf21("2","7","4","2","5","4","4","1") = "6"
    & skf21("2","7","4","2","5","4","5","1") = "6"
    & skf21("2","7","4","2","5","4","6","1") = "6"
    & skf21("2","7","4","2","5","4","7","1") = "6"
    & skf21("2","7","4","2","5","5","1","1") = "6"
    & skf21("2","7","4","2","5","5","2","1") = "6"
    & skf21("2","7","4","2","5","5","3","1") = "6"
    & skf21("2","7","4","2","5","5","4","1") = "6"
    & skf21("2","7","4","2","5","5","5","1") = "6"
    & skf21("2","7","4","2","5","5","6","1") = "6"
    & skf21("2","7","4","2","5","5","7","1") = "6"
    & skf21("2","7","4","2","5","6","1","1") = "6"
    & skf21("2","7","4","2","5","6","2","1") = "6"
    & skf21("2","7","4","2","5","6","3","1") = "6"
    & skf21("2","7","4","2","5","6","4","1") = "6"
    & skf21("2","7","4","2","5","6","5","1") = "6"
    & skf21("2","7","4","2","5","6","6","1") = "6"
    & skf21("2","7","4","2","5","6","7","1") = "6"
    & skf21("2","7","4","2","5","7","1","1") = "6"
    & skf21("2","7","4","2","5","7","2","1") = "6"
    & skf21("2","7","4","2","5","7","3","1") = "6"
    & skf21("2","7","4","2","5","7","4","1") = "6"
    & skf21("2","7","4","2","5","7","5","1") = "6"
    & skf21("2","7","4","2","5","7","6","1") = "6"
    & skf21("2","7","4","2","5","7","7","1") = "6"
    & skf21("2","7","4","2","6","1","1","1") = "6"
    & skf21("2","7","4","2","6","1","2","1") = "6"
    & skf21("2","7","4","2","6","1","3","1") = "6"
    & skf21("2","7","4","2","6","1","4","1") = "6"
    & skf21("2","7","4","2","6","1","5","1") = "6"
    & skf21("2","7","4","2","6","1","6","1") = "6"
    & skf21("2","7","4","2","6","1","7","1") = "6"
    & skf21("2","7","4","2","6","2","1","1") = "6"
    & skf21("2","7","4","2","6","2","2","1") = "6"
    & skf21("2","7","4","2","6","2","3","1") = "6"
    & skf21("2","7","4","2","6","2","4","1") = "6"
    & skf21("2","7","4","2","6","2","5","1") = "6"
    & skf21("2","7","4","2","6","2","6","1") = "6"
    & skf21("2","7","4","2","6","2","7","1") = "6"
    & skf21("2","7","4","2","6","3","1","1") = "6"
    & skf21("2","7","4","2","6","3","2","1") = "6"
    & skf21("2","7","4","2","6","3","3","1") = "6"
    & skf21("2","7","4","2","6","3","4","1") = "6"
    & skf21("2","7","4","2","6","3","5","1") = "6"
    & skf21("2","7","4","2","6","3","6","1") = "6"
    & skf21("2","7","4","2","6","3","7","1") = "6"
    & skf21("2","7","4","2","6","4","1","1") = "6"
    & skf21("2","7","4","2","6","4","2","1") = "6"
    & skf21("2","7","4","2","6","4","3","1") = "6"
    & skf21("2","7","4","2","6","4","4","1") = "6"
    & skf21("2","7","4","2","6","4","5","1") = "6"
    & skf21("2","7","4","2","6","4","6","1") = "6"
    & skf21("2","7","4","2","6","4","7","1") = "6"
    & skf21("2","7","4","2","6","5","1","1") = "6"
    & skf21("2","7","4","2","6","5","2","1") = "6"
    & skf21("2","7","4","2","6","5","3","1") = "6"
    & skf21("2","7","4","2","6","5","4","1") = "6"
    & skf21("2","7","4","2","6","5","5","1") = "6"
    & skf21("2","7","4","2","6","5","6","1") = "6"
    & skf21("2","7","4","2","6","5","7","1") = "6"
    & skf21("2","7","4","2","6","6","1","1") = "6"
    & skf21("2","7","4","2","6","6","2","1") = "6"
    & skf21("2","7","4","2","6","6","3","1") = "6"
    & skf21("2","7","4","2","6","6","4","1") = "6"
    & skf21("2","7","4","2","6","6","5","1") = "6"
    & skf21("2","7","4","2","6","6","6","1") = "6"
    & skf21("2","7","4","2","6","6","7","1") = "6"
    & skf21("2","7","4","2","6","7","1","1") = "6"
    & skf21("2","7","4","2","6","7","2","1") = "6"
    & skf21("2","7","4","2","6","7","3","1") = "6"
    & skf21("2","7","4","2","6","7","4","1") = "6"
    & skf21("2","7","4","2","6","7","5","1") = "6"
    & skf21("2","7","4","2","6","7","6","1") = "6"
    & skf21("2","7","4","2","6","7","7","1") = "6"
    & skf21("2","7","4","2","7","1","1","1") = "6"
    & skf21("2","7","4","2","7","1","2","1") = "6"
    & skf21("2","7","4","2","7","1","3","1") = "6"
    & skf21("2","7","4","2","7","1","4","1") = "6"
    & skf21("2","7","4","2","7","1","5","1") = "6"
    & skf21("2","7","4","2","7","1","6","1") = "6"
    & skf21("2","7","4","2","7","1","7","1") = "6"
    & skf21("2","7","4","2","7","2","1","1") = "6"
    & skf21("2","7","4","2","7","2","2","1") = "6"
    & skf21("2","7","4","2","7","2","3","1") = "6"
    & skf21("2","7","4","2","7","2","4","1") = "6"
    & skf21("2","7","4","2","7","2","5","1") = "6"
    & skf21("2","7","4","2","7","2","6","1") = "6"
    & skf21("2","7","4","2","7","2","7","1") = "6"
    & skf21("2","7","4","2","7","3","1","1") = "6"
    & skf21("2","7","4","2","7","3","2","1") = "6"
    & skf21("2","7","4","2","7","3","3","1") = "6"
    & skf21("2","7","4","2","7","3","4","1") = "6"
    & skf21("2","7","4","2","7","3","5","1") = "6"
    & skf21("2","7","4","2","7","3","6","1") = "6"
    & skf21("2","7","4","2","7","3","7","1") = "6"
    & skf21("2","7","4","2","7","4","1","1") = "6"
    & skf21("2","7","4","2","7","4","2","1") = "6"
    & skf21("2","7","4","2","7","4","3","1") = "6"
    & skf21("2","7","4","2","7","4","4","1") = "6"
    & skf21("2","7","4","2","7","4","5","1") = "6"
    & skf21("2","7","4","2","7","4","6","1") = "6"
    & skf21("2","7","4","2","7","4","7","1") = "6"
    & skf21("2","7","4","2","7","5","1","1") = "6"
    & skf21("2","7","4","2","7","5","2","1") = "6"
    & skf21("2","7","4","2","7","5","3","1") = "6"
    & skf21("2","7","4","2","7","5","4","1") = "6"
    & skf21("2","7","4","2","7","5","5","1") = "6"
    & skf21("2","7","4","2","7","5","6","1") = "6"
    & skf21("2","7","4","2","7","5","7","1") = "6"
    & skf21("2","7","4","2","7","6","1","1") = "6"
    & skf21("2","7","4","2","7","6","2","1") = "6"
    & skf21("2","7","4","2","7","6","3","1") = "6"
    & skf21("2","7","4","2","7","6","4","1") = "6"
    & skf21("2","7","4","2","7","6","5","1") = "6"
    & skf21("2","7","4","2","7","6","6","1") = "6"
    & skf21("2","7","4","2","7","6","7","1") = "6"
    & skf21("2","7","4","2","7","7","1","1") = "6"
    & skf21("2","7","4","2","7","7","2","1") = "6"
    & skf21("2","7","4","2","7","7","3","1") = "6"
    & skf21("2","7","4","2","7","7","4","1") = "6"
    & skf21("2","7","4","2","7","7","5","1") = "6"
    & skf21("2","7","4","2","7","7","6","1") = "6"
    & skf21("2","7","4","2","7","7","7","1") = "6"
    & skf21("2","7","4","3","1","1","1","1") = "6"
    & skf21("2","7","4","3","1","1","2","1") = "6"
    & skf21("2","7","4","3","1","1","3","1") = "6"
    & skf21("2","7","4","3","1","1","4","1") = "6"
    & skf21("2","7","4","3","1","1","5","1") = "6"
    & skf21("2","7","4","3","1","1","6","1") = "6"
    & skf21("2","7","4","3","1","1","7","1") = "6"
    & skf21("2","7","4","3","1","2","1","1") = "6"
    & skf21("2","7","4","3","1","2","2","1") = "6"
    & skf21("2","7","4","3","1","2","3","1") = "6"
    & skf21("2","7","4","3","1","2","4","1") = "6"
    & skf21("2","7","4","3","1","2","5","1") = "6"
    & skf21("2","7","4","3","1","2","6","1") = "6"
    & skf21("2","7","4","3","1","2","7","1") = "6"
    & skf21("2","7","4","3","1","3","1","1") = "6"
    & skf21("2","7","4","3","1","3","2","1") = "6"
    & skf21("2","7","4","3","1","3","3","1") = "6"
    & skf21("2","7","4","3","1","3","4","1") = "6"
    & skf21("2","7","4","3","1","3","5","1") = "6"
    & skf21("2","7","4","3","1","3","6","1") = "6"
    & skf21("2","7","4","3","1","3","7","1") = "6"
    & skf21("2","7","4","3","1","4","1","1") = "6"
    & skf21("2","7","4","3","1","4","2","1") = "6"
    & skf21("2","7","4","3","1","4","3","1") = "6"
    & skf21("2","7","4","3","1","4","4","1") = "6"
    & skf21("2","7","4","3","1","4","5","1") = "6"
    & skf21("2","7","4","3","1","4","6","1") = "6"
    & skf21("2","7","4","3","1","4","7","1") = "6"
    & skf21("2","7","4","3","1","5","1","1") = "6"
    & skf21("2","7","4","3","1","5","2","1") = "6"
    & skf21("2","7","4","3","1","5","3","1") = "6"
    & skf21("2","7","4","3","1","5","4","1") = "6"
    & skf21("2","7","4","3","1","5","5","1") = "6"
    & skf21("2","7","4","3","1","5","6","1") = "6"
    & skf21("2","7","4","3","1","5","7","1") = "6"
    & skf21("2","7","4","3","1","6","1","1") = "6"
    & skf21("2","7","4","3","1","6","2","1") = "6"
    & skf21("2","7","4","3","1","6","3","1") = "6"
    & skf21("2","7","4","3","1","6","4","1") = "6"
    & skf21("2","7","4","3","1","6","5","1") = "6"
    & skf21("2","7","4","3","1","6","6","1") = "6"
    & skf21("2","7","4","3","1","6","7","1") = "6"
    & skf21("2","7","4","3","1","7","1","1") = "6"
    & skf21("2","7","4","3","1","7","2","1") = "6"
    & skf21("2","7","4","3","1","7","3","1") = "6"
    & skf21("2","7","4","3","1","7","4","1") = "6"
    & skf21("2","7","4","3","1","7","5","1") = "6"
    & skf21("2","7","4","3","1","7","6","1") = "6"
    & skf21("2","7","4","3","1","7","7","1") = "6"
    & skf21("2","7","4","3","2","1","1","1") = "6"
    & skf21("2","7","4","3","2","1","2","1") = "6"
    & skf21("2","7","4","3","2","1","3","1") = "6"
    & skf21("2","7","4","3","2","1","4","1") = "6"
    & skf21("2","7","4","3","2","1","5","1") = "6"
    & skf21("2","7","4","3","2","1","6","1") = "6"
    & skf21("2","7","4","3","2","1","7","1") = "6"
    & skf21("2","7","4","3","2","2","1","1") = "6"
    & skf21("2","7","4","3","2","2","2","1") = "6"
    & skf21("2","7","4","3","2","2","3","1") = "6"
    & skf21("2","7","4","3","2","2","4","1") = "6"
    & skf21("2","7","4","3","2","2","5","1") = "6"
    & skf21("2","7","4","3","2","2","6","1") = "6"
    & skf21("2","7","4","3","2","2","7","1") = "6"
    & skf21("2","7","4","3","2","3","1","1") = "6"
    & skf21("2","7","4","3","2","3","2","1") = "6"
    & skf21("2","7","4","3","2","3","3","1") = "6"
    & skf21("2","7","4","3","2","3","4","1") = "6"
    & skf21("2","7","4","3","2","3","5","1") = "6"
    & skf21("2","7","4","3","2","3","6","1") = "6"
    & skf21("2","7","4","3","2","3","7","1") = "6"
    & skf21("2","7","4","3","2","4","1","1") = "6"
    & skf21("2","7","4","3","2","4","2","1") = "6"
    & skf21("2","7","4","3","2","4","3","1") = "6"
    & skf21("2","7","4","3","2","4","4","1") = "6"
    & skf21("2","7","4","3","2","4","5","1") = "6"
    & skf21("2","7","4","3","2","4","6","1") = "6"
    & skf21("2","7","4","3","2","4","7","1") = "6"
    & skf21("2","7","4","3","2","5","1","1") = "6"
    & skf21("2","7","4","3","2","5","2","1") = "6"
    & skf21("2","7","4","3","2","5","3","1") = "6"
    & skf21("2","7","4","3","2","5","4","1") = "6"
    & skf21("2","7","4","3","2","5","5","1") = "6"
    & skf21("2","7","4","3","2","5","6","1") = "6"
    & skf21("2","7","4","3","2","5","7","1") = "6"
    & skf21("2","7","4","3","2","6","1","1") = "6"
    & skf21("2","7","4","3","2","6","2","1") = "6"
    & skf21("2","7","4","3","2","6","3","1") = "6"
    & skf21("2","7","4","3","2","6","4","1") = "6"
    & skf21("2","7","4","3","2","6","5","1") = "6"
    & skf21("2","7","4","3","2","6","6","1") = "6"
    & skf21("2","7","4","3","2","6","7","1") = "6"
    & skf21("2","7","4","3","2","7","1","1") = "6"
    & skf21("2","7","4","3","2","7","2","1") = "6"
    & skf21("2","7","4","3","2","7","3","1") = "6"
    & skf21("2","7","4","3","2","7","4","1") = "6"
    & skf21("2","7","4","3","2","7","5","1") = "6"
    & skf21("2","7","4","3","2","7","6","1") = "6"
    & skf21("2","7","4","3","2","7","7","1") = "6"
    & skf21("2","7","4","3","3","1","1","1") = "6"
    & skf21("2","7","4","3","3","1","2","1") = "6"
    & skf21("2","7","4","3","3","1","3","1") = "6"
    & skf21("2","7","4","3","3","1","4","1") = "6"
    & skf21("2","7","4","3","3","1","5","1") = "6"
    & skf21("2","7","4","3","3","1","6","1") = "6"
    & skf21("2","7","4","3","3","1","7","1") = "6"
    & skf21("2","7","4","3","3","2","1","1") = "6"
    & skf21("2","7","4","3","3","2","2","1") = "6"
    & skf21("2","7","4","3","3","2","3","1") = "6"
    & skf21("2","7","4","3","3","2","4","1") = "6"
    & skf21("2","7","4","3","3","2","5","1") = "6"
    & skf21("2","7","4","3","3","2","6","1") = "6"
    & skf21("2","7","4","3","3","2","7","1") = "6"
    & skf21("2","7","4","3","3","3","1","1") = "6"
    & skf21("2","7","4","3","3","3","2","1") = "6"
    & skf21("2","7","4","3","3","3","3","1") = "6"
    & skf21("2","7","4","3","3","3","4","1") = "6"
    & skf21("2","7","4","3","3","3","5","1") = "6"
    & skf21("2","7","4","3","3","3","6","1") = "6"
    & skf21("2","7","4","3","3","3","7","1") = "6"
    & skf21("2","7","4","3","3","4","1","1") = "6"
    & skf21("2","7","4","3","3","4","2","1") = "6"
    & skf21("2","7","4","3","3","4","3","1") = "6"
    & skf21("2","7","4","3","3","4","4","1") = "6"
    & skf21("2","7","4","3","3","4","5","1") = "6"
    & skf21("2","7","4","3","3","4","6","1") = "6"
    & skf21("2","7","4","3","3","4","7","1") = "6"
    & skf21("2","7","4","3","3","5","1","1") = "6"
    & skf21("2","7","4","3","3","5","2","1") = "6"
    & skf21("2","7","4","3","3","5","3","1") = "6"
    & skf21("2","7","4","3","3","5","4","1") = "6"
    & skf21("2","7","4","3","3","5","5","1") = "6"
    & skf21("2","7","4","3","3","5","6","1") = "6"
    & skf21("2","7","4","3","3","5","7","1") = "6"
    & skf21("2","7","4","3","3","6","1","1") = "6"
    & skf21("2","7","4","3","3","6","2","1") = "6"
    & skf21("2","7","4","3","3","6","3","1") = "6"
    & skf21("2","7","4","3","3","6","4","1") = "6"
    & skf21("2","7","4","3","3","6","5","1") = "6"
    & skf21("2","7","4","3","3","6","6","1") = "6"
    & skf21("2","7","4","3","3","6","7","1") = "6"
    & skf21("2","7","4","3","3","7","1","1") = "6"
    & skf21("2","7","4","3","3","7","2","1") = "6"
    & skf21("2","7","4","3","3","7","3","1") = "6"
    & skf21("2","7","4","3","3","7","4","1") = "6"
    & skf21("2","7","4","3","3","7","5","1") = "6"
    & skf21("2","7","4","3","3","7","6","1") = "6"
    & skf21("2","7","4","3","3","7","7","1") = "6"
    & skf21("2","7","4","3","4","1","1","1") = "6"
    & skf21("2","7","4","3","4","1","2","1") = "6"
    & skf21("2","7","4","3","4","1","3","1") = "6"
    & skf21("2","7","4","3","4","1","4","1") = "6"
    & skf21("2","7","4","3","4","1","5","1") = "6"
    & skf21("2","7","4","3","4","1","6","1") = "6"
    & skf21("2","7","4","3","4","1","7","1") = "6"
    & skf21("2","7","4","3","4","2","1","1") = "6"
    & skf21("2","7","4","3","4","2","2","1") = "6"
    & skf21("2","7","4","3","4","2","3","1") = "6"
    & skf21("2","7","4","3","4","2","4","1") = "6"
    & skf21("2","7","4","3","4","2","5","1") = "6"
    & skf21("2","7","4","3","4","2","6","1") = "6"
    & skf21("2","7","4","3","4","2","7","1") = "6"
    & skf21("2","7","4","3","4","3","1","1") = "6"
    & skf21("2","7","4","3","4","3","2","1") = "6"
    & skf21("2","7","4","3","4","3","3","1") = "6"
    & skf21("2","7","4","3","4","3","4","1") = "6"
    & skf21("2","7","4","3","4","3","5","1") = "6"
    & skf21("2","7","4","3","4","3","6","1") = "6"
    & skf21("2","7","4","3","4","3","7","1") = "6"
    & skf21("2","7","4","3","4","4","1","1") = "6"
    & skf21("2","7","4","3","4","4","2","1") = "6"
    & skf21("2","7","4","3","4","4","3","1") = "6"
    & skf21("2","7","4","3","4","4","4","1") = "6"
    & skf21("2","7","4","3","4","4","5","1") = "6"
    & skf21("2","7","4","3","4","4","6","1") = "6"
    & skf21("2","7","4","3","4","4","7","1") = "6"
    & skf21("2","7","4","3","4","5","1","1") = "6"
    & skf21("2","7","4","3","4","5","2","1") = "6"
    & skf21("2","7","4","3","4","5","3","1") = "6"
    & skf21("2","7","4","3","4","5","4","1") = "6"
    & skf21("2","7","4","3","4","5","5","1") = "6"
    & skf21("2","7","4","3","4","5","6","1") = "6"
    & skf21("2","7","4","3","4","5","7","1") = "6"
    & skf21("2","7","4","3","4","6","1","1") = "6"
    & skf21("2","7","4","3","4","6","2","1") = "6"
    & skf21("2","7","4","3","4","6","3","1") = "6"
    & skf21("2","7","4","3","4","6","4","1") = "6"
    & skf21("2","7","4","3","4","6","5","1") = "6"
    & skf21("2","7","4","3","4","6","6","1") = "6"
    & skf21("2","7","4","3","4","6","7","1") = "6"
    & skf21("2","7","4","3","4","7","1","1") = "6"
    & skf21("2","7","4","3","4","7","2","1") = "6"
    & skf21("2","7","4","3","4","7","3","1") = "6"
    & skf21("2","7","4","3","4","7","4","1") = "6"
    & skf21("2","7","4","3","4","7","5","1") = "6"
    & skf21("2","7","4","3","4","7","6","1") = "6"
    & skf21("2","7","4","3","4","7","7","1") = "6"
    & skf21("2","7","4","3","5","1","1","1") = "6"
    & skf21("2","7","4","3","5","1","2","1") = "6"
    & skf21("2","7","4","3","5","1","3","1") = "6"
    & skf21("2","7","4","3","5","1","4","1") = "6"
    & skf21("2","7","4","3","5","1","5","1") = "6"
    & skf21("2","7","4","3","5","1","6","1") = "6"
    & skf21("2","7","4","3","5","1","7","1") = "6"
    & skf21("2","7","4","3","5","2","1","1") = "6"
    & skf21("2","7","4","3","5","2","2","1") = "6"
    & skf21("2","7","4","3","5","2","3","1") = "6"
    & skf21("2","7","4","3","5","2","4","1") = "6"
    & skf21("2","7","4","3","5","2","5","1") = "6"
    & skf21("2","7","4","3","5","2","6","1") = "6"
    & skf21("2","7","4","3","5","2","7","1") = "6"
    & skf21("2","7","4","3","5","3","1","1") = "6"
    & skf21("2","7","4","3","5","3","2","1") = "6"
    & skf21("2","7","4","3","5","3","3","1") = "6"
    & skf21("2","7","4","3","5","3","4","1") = "6"
    & skf21("2","7","4","3","5","3","5","1") = "6"
    & skf21("2","7","4","3","5","3","6","1") = "6"
    & skf21("2","7","4","3","5","3","7","1") = "6"
    & skf21("2","7","4","3","5","4","1","1") = "6"
    & skf21("2","7","4","3","5","4","2","1") = "6"
    & skf21("2","7","4","3","5","4","3","1") = "6"
    & skf21("2","7","4","3","5","4","4","1") = "6"
    & skf21("2","7","4","3","5","4","5","1") = "6"
    & skf21("2","7","4","3","5","4","6","1") = "6"
    & skf21("2","7","4","3","5","4","7","1") = "6"
    & skf21("2","7","4","3","5","5","1","1") = "6"
    & skf21("2","7","4","3","5","5","2","1") = "6"
    & skf21("2","7","4","3","5","5","3","1") = "6"
    & skf21("2","7","4","3","5","5","4","1") = "6"
    & skf21("2","7","4","3","5","5","5","1") = "6"
    & skf21("2","7","4","3","5","5","6","1") = "6"
    & skf21("2","7","4","3","5","5","7","1") = "6"
    & skf21("2","7","4","3","5","6","1","1") = "6"
    & skf21("2","7","4","3","5","6","2","1") = "6"
    & skf21("2","7","4","3","5","6","3","1") = "6"
    & skf21("2","7","4","3","5","6","4","1") = "6"
    & skf21("2","7","4","3","5","6","5","1") = "6"
    & skf21("2","7","4","3","5","6","6","1") = "6"
    & skf21("2","7","4","3","5","6","7","1") = "6"
    & skf21("2","7","4","3","5","7","1","1") = "6"
    & skf21("2","7","4","3","5","7","2","1") = "6"
    & skf21("2","7","4","3","5","7","3","1") = "6"
    & skf21("2","7","4","3","5","7","4","1") = "6"
    & skf21("2","7","4","3","5","7","5","1") = "6"
    & skf21("2","7","4","3","5","7","6","1") = "6"
    & skf21("2","7","4","3","5","7","7","1") = "6"
    & skf21("2","7","4","3","6","1","1","1") = "6"
    & skf21("2","7","4","3","6","1","2","1") = "6"
    & skf21("2","7","4","3","6","1","3","1") = "6"
    & skf21("2","7","4","3","6","1","4","1") = "6"
    & skf21("2","7","4","3","6","1","5","1") = "6"
    & skf21("2","7","4","3","6","1","6","1") = "6"
    & skf21("2","7","4","3","6","1","7","1") = "6"
    & skf21("2","7","4","3","6","2","1","1") = "6"
    & skf21("2","7","4","3","6","2","2","1") = "6"
    & skf21("2","7","4","3","6","2","3","1") = "6"
    & skf21("2","7","4","3","6","2","4","1") = "6"
    & skf21("2","7","4","3","6","2","5","1") = "6"
    & skf21("2","7","4","3","6","2","6","1") = "6"
    & skf21("2","7","4","3","6","2","7","1") = "6"
    & skf21("2","7","4","3","6","3","1","1") = "6"
    & skf21("2","7","4","3","6","3","2","1") = "6"
    & skf21("2","7","4","3","6","3","3","1") = "6"
    & skf21("2","7","4","3","6","3","4","1") = "6"
    & skf21("2","7","4","3","6","3","5","1") = "6"
    & skf21("2","7","4","3","6","3","6","1") = "6"
    & skf21("2","7","4","3","6","3","7","1") = "6"
    & skf21("2","7","4","3","6","4","1","1") = "6"
    & skf21("2","7","4","3","6","4","2","1") = "6"
    & skf21("2","7","4","3","6","4","3","1") = "6"
    & skf21("2","7","4","3","6","4","4","1") = "6"
    & skf21("2","7","4","3","6","4","5","1") = "6"
    & skf21("2","7","4","3","6","4","6","1") = "6"
    & skf21("2","7","4","3","6","4","7","1") = "6"
    & skf21("2","7","4","3","6","5","1","1") = "6"
    & skf21("2","7","4","3","6","5","2","1") = "6"
    & skf21("2","7","4","3","6","5","3","1") = "6"
    & skf21("2","7","4","3","6","5","4","1") = "6"
    & skf21("2","7","4","3","6","5","5","1") = "6"
    & skf21("2","7","4","3","6","5","6","1") = "6"
    & skf21("2","7","4","3","6","5","7","1") = "6"
    & skf21("2","7","4","3","6","6","1","1") = "6"
    & skf21("2","7","4","3","6","6","2","1") = "6"
    & skf21("2","7","4","3","6","6","3","1") = "6"
    & skf21("2","7","4","3","6","6","4","1") = "6"
    & skf21("2","7","4","3","6","6","5","1") = "6"
    & skf21("2","7","4","3","6","6","6","1") = "6"
    & skf21("2","7","4","3","6","6","7","1") = "6"
    & skf21("2","7","4","3","6","7","1","1") = "6"
    & skf21("2","7","4","3","6","7","2","1") = "6"
    & skf21("2","7","4","3","6","7","3","1") = "6"
    & skf21("2","7","4","3","6","7","4","1") = "6"
    & skf21("2","7","4","3","6","7","5","1") = "6"
    & skf21("2","7","4","3","6","7","6","1") = "6"
    & skf21("2","7","4","3","6","7","7","1") = "6"
    & skf21("2","7","4","3","7","1","1","1") = "6"
    & skf21("2","7","4","3","7","1","2","1") = "6"
    & skf21("2","7","4","3","7","1","3","1") = "6"
    & skf21("2","7","4","3","7","1","4","1") = "6"
    & skf21("2","7","4","3","7","1","5","1") = "6"
    & skf21("2","7","4","3","7","1","6","1") = "6"
    & skf21("2","7","4","3","7","1","7","1") = "6"
    & skf21("2","7","4","3","7","2","1","1") = "6"
    & skf21("2","7","4","3","7","2","2","1") = "6"
    & skf21("2","7","4","3","7","2","3","1") = "6"
    & skf21("2","7","4","3","7","2","4","1") = "6"
    & skf21("2","7","4","3","7","2","5","1") = "6"
    & skf21("2","7","4","3","7","2","6","1") = "6"
    & skf21("2","7","4","3","7","2","7","1") = "6"
    & skf21("2","7","4","3","7","3","1","1") = "6"
    & skf21("2","7","4","3","7","3","2","1") = "6"
    & skf21("2","7","4","3","7","3","3","1") = "6"
    & skf21("2","7","4","3","7","3","4","1") = "6"
    & skf21("2","7","4","3","7","3","5","1") = "6"
    & skf21("2","7","4","3","7","3","6","1") = "6"
    & skf21("2","7","4","3","7","3","7","1") = "6"
    & skf21("2","7","4","3","7","4","1","1") = "6"
    & skf21("2","7","4","3","7","4","2","1") = "6"
    & skf21("2","7","4","3","7","4","3","1") = "6"
    & skf21("2","7","4","3","7","4","4","1") = "6"
    & skf21("2","7","4","3","7","4","5","1") = "6"
    & skf21("2","7","4","3","7","4","6","1") = "6"
    & skf21("2","7","4","3","7","4","7","1") = "6"
    & skf21("2","7","4","3","7","5","1","1") = "6"
    & skf21("2","7","4","3","7","5","2","1") = "6"
    & skf21("2","7","4","3","7","5","3","1") = "6"
    & skf21("2","7","4","3","7","5","4","1") = "6"
    & skf21("2","7","4","3","7","5","5","1") = "6"
    & skf21("2","7","4","3","7","5","6","1") = "6"
    & skf21("2","7","4","3","7","5","7","1") = "6"
    & skf21("2","7","4","3","7","6","1","1") = "6"
    & skf21("2","7","4","3","7","6","2","1") = "6"
    & skf21("2","7","4","3","7","6","3","1") = "6"
    & skf21("2","7","4","3","7","6","4","1") = "6"
    & skf21("2","7","4","3","7","6","5","1") = "6"
    & skf21("2","7","4","3","7","6","6","1") = "6"
    & skf21("2","7","4","3","7","6","7","1") = "6"
    & skf21("2","7","4","3","7","7","1","1") = "6"
    & skf21("2","7","4","3","7","7","2","1") = "6"
    & skf21("2","7","4","3","7","7","3","1") = "6"
    & skf21("2","7","4","3","7","7","4","1") = "6"
    & skf21("2","7","4","3","7","7","5","1") = "6"
    & skf21("2","7","4","3","7","7","6","1") = "6"
    & skf21("2","7","4","3","7","7","7","1") = "6"
    & skf21("2","7","4","4","1","1","1","1") = "6"
    & skf21("2","7","4","4","1","1","2","1") = "6"
    & skf21("2","7","4","4","1","1","3","1") = "6"
    & skf21("2","7","4","4","1","1","4","1") = "6"
    & skf21("2","7","4","4","1","1","5","1") = "6"
    & skf21("2","7","4","4","1","1","6","1") = "6"
    & skf21("2","7","4","4","1","1","7","1") = "6"
    & skf21("2","7","4","4","1","2","1","1") = "6"
    & skf21("2","7","4","4","1","2","2","1") = "6"
    & skf21("2","7","4","4","1","2","3","1") = "6"
    & skf21("2","7","4","4","1","2","4","1") = "6"
    & skf21("2","7","4","4","1","2","5","1") = "6"
    & skf21("2","7","4","4","1","2","6","1") = "6"
    & skf21("2","7","4","4","1","2","7","1") = "6"
    & skf21("2","7","4","4","1","3","1","1") = "6"
    & skf21("2","7","4","4","1","3","2","1") = "6"
    & skf21("2","7","4","4","1","3","3","1") = "6"
    & skf21("2","7","4","4","1","3","4","1") = "6"
    & skf21("2","7","4","4","1","3","5","1") = "6"
    & skf21("2","7","4","4","1","3","6","1") = "6"
    & skf21("2","7","4","4","1","3","7","1") = "6"
    & skf21("2","7","4","4","1","4","1","1") = "6"
    & skf21("2","7","4","4","1","4","2","1") = "6"
    & skf21("2","7","4","4","1","4","3","1") = "6"
    & skf21("2","7","4","4","1","4","4","1") = "6"
    & skf21("2","7","4","4","1","4","5","1") = "6"
    & skf21("2","7","4","4","1","4","6","1") = "6"
    & skf21("2","7","4","4","1","4","7","1") = "6"
    & skf21("2","7","4","4","1","5","1","1") = "6"
    & skf21("2","7","4","4","1","5","2","1") = "6"
    & skf21("2","7","4","4","1","5","3","1") = "6"
    & skf21("2","7","4","4","1","5","4","1") = "6"
    & skf21("2","7","4","4","1","5","5","1") = "6"
    & skf21("2","7","4","4","1","5","6","1") = "6"
    & skf21("2","7","4","4","1","5","7","1") = "6"
    & skf21("2","7","4","4","1","6","1","1") = "6"
    & skf21("2","7","4","4","1","6","2","1") = "6"
    & skf21("2","7","4","4","1","6","3","1") = "6"
    & skf21("2","7","4","4","1","6","4","1") = "6"
    & skf21("2","7","4","4","1","6","5","1") = "6"
    & skf21("2","7","4","4","1","6","6","1") = "6"
    & skf21("2","7","4","4","1","6","7","1") = "6"
    & skf21("2","7","4","4","1","7","1","1") = "6"
    & skf21("2","7","4","4","1","7","2","1") = "6"
    & skf21("2","7","4","4","1","7","3","1") = "6"
    & skf21("2","7","4","4","1","7","4","1") = "6"
    & skf21("2","7","4","4","1","7","5","1") = "6"
    & skf21("2","7","4","4","1","7","6","1") = "6"
    & skf21("2","7","4","4","1","7","7","1") = "6"
    & skf21("2","7","4","4","2","1","1","1") = "6"
    & skf21("2","7","4","4","2","1","2","1") = "6"
    & skf21("2","7","4","4","2","1","3","1") = "6"
    & skf21("2","7","4","4","2","1","4","1") = "6"
    & skf21("2","7","4","4","2","1","5","1") = "6"
    & skf21("2","7","4","4","2","1","6","1") = "6"
    & skf21("2","7","4","4","2","1","7","1") = "6"
    & skf21("2","7","4","4","2","2","1","1") = "6"
    & skf21("2","7","4","4","2","2","2","1") = "6"
    & skf21("2","7","4","4","2","2","3","1") = "6"
    & skf21("2","7","4","4","2","2","4","1") = "6"
    & skf21("2","7","4","4","2","2","5","1") = "6"
    & skf21("2","7","4","4","2","2","6","1") = "6"
    & skf21("2","7","4","4","2","2","7","1") = "6"
    & skf21("2","7","4","4","2","3","1","1") = "6"
    & skf21("2","7","4","4","2","3","2","1") = "6"
    & skf21("2","7","4","4","2","3","3","1") = "6"
    & skf21("2","7","4","4","2","3","4","1") = "6"
    & skf21("2","7","4","4","2","3","5","1") = "6"
    & skf21("2","7","4","4","2","3","6","1") = "6"
    & skf21("2","7","4","4","2","3","7","1") = "6"
    & skf21("2","7","4","4","2","4","1","1") = "6"
    & skf21("2","7","4","4","2","4","2","1") = "6"
    & skf21("2","7","4","4","2","4","3","1") = "6"
    & skf21("2","7","4","4","2","4","4","1") = "6"
    & skf21("2","7","4","4","2","4","5","1") = "6"
    & skf21("2","7","4","4","2","4","6","1") = "6"
    & skf21("2","7","4","4","2","4","7","1") = "6"
    & skf21("2","7","4","4","2","5","1","1") = "6"
    & skf21("2","7","4","4","2","5","2","1") = "6"
    & skf21("2","7","4","4","2","5","3","1") = "6"
    & skf21("2","7","4","4","2","5","4","1") = "6"
    & skf21("2","7","4","4","2","5","5","1") = "6"
    & skf21("2","7","4","4","2","5","6","1") = "6"
    & skf21("2","7","4","4","2","5","7","1") = "6"
    & skf21("2","7","4","4","2","6","1","1") = "6"
    & skf21("2","7","4","4","2","6","2","1") = "6"
    & skf21("2","7","4","4","2","6","3","1") = "6"
    & skf21("2","7","4","4","2","6","4","1") = "6"
    & skf21("2","7","4","4","2","6","5","1") = "6"
    & skf21("2","7","4","4","2","6","6","1") = "6"
    & skf21("2","7","4","4","2","6","7","1") = "6"
    & skf21("2","7","4","4","2","7","1","1") = "6"
    & skf21("2","7","4","4","2","7","2","1") = "6"
    & skf21("2","7","4","4","2","7","3","1") = "6"
    & skf21("2","7","4","4","2","7","4","1") = "6"
    & skf21("2","7","4","4","2","7","5","1") = "6"
    & skf21("2","7","4","4","2","7","6","1") = "6"
    & skf21("2","7","4","4","2","7","7","1") = "6"
    & skf21("2","7","4","4","3","1","1","1") = "6"
    & skf21("2","7","4","4","3","1","2","1") = "6"
    & skf21("2","7","4","4","3","1","3","1") = "6"
    & skf21("2","7","4","4","3","1","4","1") = "6"
    & skf21("2","7","4","4","3","1","5","1") = "6"
    & skf21("2","7","4","4","3","1","6","1") = "6"
    & skf21("2","7","4","4","3","1","7","1") = "6"
    & skf21("2","7","4","4","3","2","1","1") = "6"
    & skf21("2","7","4","4","3","2","2","1") = "6"
    & skf21("2","7","4","4","3","2","3","1") = "6"
    & skf21("2","7","4","4","3","2","4","1") = "6"
    & skf21("2","7","4","4","3","2","5","1") = "6"
    & skf21("2","7","4","4","3","2","6","1") = "6"
    & skf21("2","7","4","4","3","2","7","1") = "6"
    & skf21("2","7","4","4","3","3","1","1") = "6"
    & skf21("2","7","4","4","3","3","2","1") = "6"
    & skf21("2","7","4","4","3","3","3","1") = "6"
    & skf21("2","7","4","4","3","3","4","1") = "6"
    & skf21("2","7","4","4","3","3","5","1") = "6"
    & skf21("2","7","4","4","3","3","6","1") = "6"
    & skf21("2","7","4","4","3","3","7","1") = "6"
    & skf21("2","7","4","4","3","4","1","1") = "6"
    & skf21("2","7","4","4","3","4","2","1") = "6"
    & skf21("2","7","4","4","3","4","3","1") = "6"
    & skf21("2","7","4","4","3","4","4","1") = "6"
    & skf21("2","7","4","4","3","4","5","1") = "6"
    & skf21("2","7","4","4","3","4","6","1") = "6"
    & skf21("2","7","4","4","3","4","7","1") = "6"
    & skf21("2","7","4","4","3","5","1","1") = "6"
    & skf21("2","7","4","4","3","5","2","1") = "6"
    & skf21("2","7","4","4","3","5","3","1") = "6"
    & skf21("2","7","4","4","3","5","4","1") = "6"
    & skf21("2","7","4","4","3","5","5","1") = "6"
    & skf21("2","7","4","4","3","5","6","1") = "6"
    & skf21("2","7","4","4","3","5","7","1") = "6"
    & skf21("2","7","4","4","3","6","1","1") = "6"
    & skf21("2","7","4","4","3","6","2","1") = "6"
    & skf21("2","7","4","4","3","6","3","1") = "6"
    & skf21("2","7","4","4","3","6","4","1") = "6"
    & skf21("2","7","4","4","3","6","5","1") = "6"
    & skf21("2","7","4","4","3","6","6","1") = "6"
    & skf21("2","7","4","4","3","6","7","1") = "6"
    & skf21("2","7","4","4","3","7","1","1") = "6"
    & skf21("2","7","4","4","3","7","2","1") = "6"
    & skf21("2","7","4","4","3","7","3","1") = "6"
    & skf21("2","7","4","4","3","7","4","1") = "6"
    & skf21("2","7","4","4","3","7","5","1") = "6"
    & skf21("2","7","4","4","3","7","6","1") = "6"
    & skf21("2","7","4","4","3","7","7","1") = "6"
    & skf21("2","7","4","4","4","1","1","1") = "6"
    & skf21("2","7","4","4","4","1","2","1") = "6"
    & skf21("2","7","4","4","4","1","3","1") = "6"
    & skf21("2","7","4","4","4","1","4","1") = "6"
    & skf21("2","7","4","4","4","1","5","1") = "6"
    & skf21("2","7","4","4","4","1","6","1") = "6"
    & skf21("2","7","4","4","4","1","7","1") = "6"
    & skf21("2","7","4","4","4","2","1","1") = "6"
    & skf21("2","7","4","4","4","2","2","1") = "6"
    & skf21("2","7","4","4","4","2","3","1") = "6"
    & skf21("2","7","4","4","4","2","4","1") = "6"
    & skf21("2","7","4","4","4","2","5","1") = "6"
    & skf21("2","7","4","4","4","2","6","1") = "6"
    & skf21("2","7","4","4","4","2","7","1") = "6"
    & skf21("2","7","4","4","4","3","1","1") = "6"
    & skf21("2","7","4","4","4","3","2","1") = "6"
    & skf21("2","7","4","4","4","3","3","1") = "6"
    & skf21("2","7","4","4","4","3","4","1") = "6"
    & skf21("2","7","4","4","4","3","5","1") = "6"
    & skf21("2","7","4","4","4","3","6","1") = "6"
    & skf21("2","7","4","4","4","3","7","1") = "6"
    & skf21("2","7","4","4","4","4","1","1") = "6"
    & skf21("2","7","4","4","4","4","2","1") = "6"
    & skf21("2","7","4","4","4","4","3","1") = "6"
    & skf21("2","7","4","4","4","4","4","1") = "6"
    & skf21("2","7","4","4","4","4","5","1") = "6"
    & skf21("2","7","4","4","4","4","6","1") = "6"
    & skf21("2","7","4","4","4","4","7","1") = "6"
    & skf21("2","7","4","4","4","5","1","1") = "6"
    & skf21("2","7","4","4","4","5","2","1") = "6"
    & skf21("2","7","4","4","4","5","3","1") = "6"
    & skf21("2","7","4","4","4","5","4","1") = "6"
    & skf21("2","7","4","4","4","5","5","1") = "6"
    & skf21("2","7","4","4","4","5","6","1") = "6"
    & skf21("2","7","4","4","4","5","7","1") = "6"
    & skf21("2","7","4","4","4","6","1","1") = "6"
    & skf21("2","7","4","4","4","6","2","1") = "6"
    & skf21("2","7","4","4","4","6","3","1") = "6"
    & skf21("2","7","4","4","4","6","4","1") = "6"
    & skf21("2","7","4","4","4","6","5","1") = "6"
    & skf21("2","7","4","4","4","6","6","1") = "6"
    & skf21("2","7","4","4","4","6","7","1") = "6"
    & skf21("2","7","4","4","4","7","1","1") = "6"
    & skf21("2","7","4","4","4","7","2","1") = "6"
    & skf21("2","7","4","4","4","7","3","1") = "6"
    & skf21("2","7","4","4","4","7","4","1") = "6"
    & skf21("2","7","4","4","4","7","5","1") = "6"
    & skf21("2","7","4","4","4","7","6","1") = "6"
    & skf21("2","7","4","4","4","7","7","1") = "6"
    & skf21("2","7","4","4","5","1","1","1") = "6"
    & skf21("2","7","4","4","5","1","2","1") = "6"
    & skf21("2","7","4","4","5","1","3","1") = "6"
    & skf21("2","7","4","4","5","1","4","1") = "6"
    & skf21("2","7","4","4","5","1","5","1") = "6"
    & skf21("2","7","4","4","5","1","6","1") = "6"
    & skf21("2","7","4","4","5","1","7","1") = "6"
    & skf21("2","7","4","4","5","2","1","1") = "6"
    & skf21("2","7","4","4","5","2","2","1") = "6"
    & skf21("2","7","4","4","5","2","3","1") = "6"
    & skf21("2","7","4","4","5","2","4","1") = "6"
    & skf21("2","7","4","4","5","2","5","1") = "6"
    & skf21("2","7","4","4","5","2","6","1") = "6"
    & skf21("2","7","4","4","5","2","7","1") = "6"
    & skf21("2","7","4","4","5","3","1","1") = "6"
    & skf21("2","7","4","4","5","3","2","1") = "6"
    & skf21("2","7","4","4","5","3","3","1") = "6"
    & skf21("2","7","4","4","5","3","4","1") = "6"
    & skf21("2","7","4","4","5","3","5","1") = "6"
    & skf21("2","7","4","4","5","3","6","1") = "6"
    & skf21("2","7","4","4","5","3","7","1") = "6"
    & skf21("2","7","4","4","5","4","1","1") = "6"
    & skf21("2","7","4","4","5","4","2","1") = "6"
    & skf21("2","7","4","4","5","4","3","1") = "6"
    & skf21("2","7","4","4","5","4","4","1") = "6"
    & skf21("2","7","4","4","5","4","5","1") = "6"
    & skf21("2","7","4","4","5","4","6","1") = "6"
    & skf21("2","7","4","4","5","4","7","1") = "6"
    & skf21("2","7","4","4","5","5","1","1") = "6"
    & skf21("2","7","4","4","5","5","2","1") = "6"
    & skf21("2","7","4","4","5","5","3","1") = "6"
    & skf21("2","7","4","4","5","5","4","1") = "6"
    & skf21("2","7","4","4","5","5","5","1") = "6"
    & skf21("2","7","4","4","5","5","6","1") = "6"
    & skf21("2","7","4","4","5","5","7","1") = "6"
    & skf21("2","7","4","4","5","6","1","1") = "6"
    & skf21("2","7","4","4","5","6","2","1") = "6"
    & skf21("2","7","4","4","5","6","3","1") = "6"
    & skf21("2","7","4","4","5","6","4","1") = "6"
    & skf21("2","7","4","4","5","6","5","1") = "6"
    & skf21("2","7","4","4","5","6","6","1") = "6"
    & skf21("2","7","4","4","5","6","7","1") = "6"
    & skf21("2","7","4","4","5","7","1","1") = "6"
    & skf21("2","7","4","4","5","7","2","1") = "6"
    & skf21("2","7","4","4","5","7","3","1") = "6"
    & skf21("2","7","4","4","5","7","4","1") = "6"
    & skf21("2","7","4","4","5","7","5","1") = "6"
    & skf21("2","7","4","4","5","7","6","1") = "6"
    & skf21("2","7","4","4","5","7","7","1") = "6"
    & skf21("2","7","4","4","6","1","1","1") = "6"
    & skf21("2","7","4","4","6","1","2","1") = "6"
    & skf21("2","7","4","4","6","1","3","1") = "6"
    & skf21("2","7","4","4","6","1","4","1") = "6"
    & skf21("2","7","4","4","6","1","5","1") = "6"
    & skf21("2","7","4","4","6","1","6","1") = "6"
    & skf21("2","7","4","4","6","1","7","1") = "6"
    & skf21("2","7","4","4","6","2","1","1") = "6"
    & skf21("2","7","4","4","6","2","2","1") = "6"
    & skf21("2","7","4","4","6","2","3","1") = "6"
    & skf21("2","7","4","4","6","2","4","1") = "6"
    & skf21("2","7","4","4","6","2","5","1") = "6"
    & skf21("2","7","4","4","6","2","6","1") = "6"
    & skf21("2","7","4","4","6","2","7","1") = "6"
    & skf21("2","7","4","4","6","3","1","1") = "6"
    & skf21("2","7","4","4","6","3","2","1") = "6"
    & skf21("2","7","4","4","6","3","3","1") = "6"
    & skf21("2","7","4","4","6","3","4","1") = "6"
    & skf21("2","7","4","4","6","3","5","1") = "6"
    & skf21("2","7","4","4","6","3","6","1") = "6"
    & skf21("2","7","4","4","6","3","7","1") = "6"
    & skf21("2","7","4","4","6","4","1","1") = "6"
    & skf21("2","7","4","4","6","4","2","1") = "6"
    & skf21("2","7","4","4","6","4","3","1") = "6"
    & skf21("2","7","4","4","6","4","4","1") = "6"
    & skf21("2","7","4","4","6","4","5","1") = "6"
    & skf21("2","7","4","4","6","4","6","1") = "6"
    & skf21("2","7","4","4","6","4","7","1") = "6"
    & skf21("2","7","4","4","6","5","1","1") = "6"
    & skf21("2","7","4","4","6","5","2","1") = "6"
    & skf21("2","7","4","4","6","5","3","1") = "6"
    & skf21("2","7","4","4","6","5","4","1") = "6"
    & skf21("2","7","4","4","6","5","5","1") = "6"
    & skf21("2","7","4","4","6","5","6","1") = "6"
    & skf21("2","7","4","4","6","5","7","1") = "6"
    & skf21("2","7","4","4","6","6","1","1") = "6"
    & skf21("2","7","4","4","6","6","2","1") = "6"
    & skf21("2","7","4","4","6","6","3","1") = "6"
    & skf21("2","7","4","4","6","6","4","1") = "6"
    & skf21("2","7","4","4","6","6","5","1") = "6"
    & skf21("2","7","4","4","6","6","6","1") = "6"
    & skf21("2","7","4","4","6","6","7","1") = "6"
    & skf21("2","7","4","4","6","7","1","1") = "6"
    & skf21("2","7","4","4","6","7","2","1") = "6"
    & skf21("2","7","4","4","6","7","3","1") = "6"
    & skf21("2","7","4","4","6","7","4","1") = "6"
    & skf21("2","7","4","4","6","7","5","1") = "6"
    & skf21("2","7","4","4","6","7","6","1") = "6"
    & skf21("2","7","4","4","6","7","7","1") = "6"
    & skf21("2","7","4","4","7","1","1","1") = "6"
    & skf21("2","7","4","4","7","1","2","1") = "6"
    & skf21("2","7","4","4","7","1","3","1") = "6"
    & skf21("2","7","4","4","7","1","4","1") = "6"
    & skf21("2","7","4","4","7","1","5","1") = "6"
    & skf21("2","7","4","4","7","1","6","1") = "6"
    & skf21("2","7","4","4","7","1","7","1") = "6"
    & skf21("2","7","4","4","7","2","1","1") = "6"
    & skf21("2","7","4","4","7","2","2","1") = "6"
    & skf21("2","7","4","4","7","2","3","1") = "6"
    & skf21("2","7","4","4","7","2","4","1") = "6"
    & skf21("2","7","4","4","7","2","5","1") = "6"
    & skf21("2","7","4","4","7","2","6","1") = "6"
    & skf21("2","7","4","4","7","2","7","1") = "6"
    & skf21("2","7","4","4","7","3","1","1") = "6"
    & skf21("2","7","4","4","7","3","2","1") = "6"
    & skf21("2","7","4","4","7","3","3","1") = "6"
    & skf21("2","7","4","4","7","3","4","1") = "6"
    & skf21("2","7","4","4","7","3","5","1") = "6"
    & skf21("2","7","4","4","7","3","6","1") = "6"
    & skf21("2","7","4","4","7","3","7","1") = "6"
    & skf21("2","7","4","4","7","4","1","1") = "6"
    & skf21("2","7","4","4","7","4","2","1") = "6"
    & skf21("2","7","4","4","7","4","3","1") = "6"
    & skf21("2","7","4","4","7","4","4","1") = "6"
    & skf21("2","7","4","4","7","4","5","1") = "6"
    & skf21("2","7","4","4","7","4","6","1") = "6"
    & skf21("2","7","4","4","7","4","7","1") = "6"
    & skf21("2","7","4","4","7","5","1","1") = "6"
    & skf21("2","7","4","4","7","5","2","1") = "6"
    & skf21("2","7","4","4","7","5","3","1") = "6"
    & skf21("2","7","4","4","7","5","4","1") = "6"
    & skf21("2","7","4","4","7","5","5","1") = "6"
    & skf21("2","7","4","4","7","5","6","1") = "6"
    & skf21("2","7","4","4","7","5","7","1") = "6"
    & skf21("2","7","4","4","7","6","1","1") = "6"
    & skf21("2","7","4","4","7","6","2","1") = "6"
    & skf21("2","7","4","4","7","6","3","1") = "6"
    & skf21("2","7","4","4","7","6","4","1") = "6"
    & skf21("2","7","4","4","7","6","5","1") = "6"
    & skf21("2","7","4","4","7","6","6","1") = "6"
    & skf21("2","7","4","4","7","6","7","1") = "6"
    & skf21("2","7","4","4","7","7","1","1") = "6"
    & skf21("2","7","4","4","7","7","2","1") = "6"
    & skf21("2","7","4","4","7","7","3","1") = "6"
    & skf21("2","7","4","4","7","7","4","1") = "6"
    & skf21("2","7","4","4","7","7","5","1") = "6"
    & skf21("2","7","4","4","7","7","6","1") = "6"
    & skf21("2","7","4","4","7","7","7","1") = "6"
    & skf21("2","7","4","5","1","1","1","1") = "6"
    & skf21("2","7","4","5","1","1","2","1") = "6"
    & skf21("2","7","4","5","1","1","3","1") = "6"
    & skf21("2","7","4","5","1","1","4","1") = "6"
    & skf21("2","7","4","5","1","1","5","1") = "6"
    & skf21("2","7","4","5","1","1","6","1") = "6"
    & skf21("2","7","4","5","1","1","7","1") = "6"
    & skf21("2","7","4","5","1","2","1","1") = "6"
    & skf21("2","7","4","5","1","2","2","1") = "6"
    & skf21("2","7","4","5","1","2","3","1") = "6"
    & skf21("2","7","4","5","1","2","4","1") = "6"
    & skf21("2","7","4","5","1","2","5","1") = "6"
    & skf21("2","7","4","5","1","2","6","1") = "6"
    & skf21("2","7","4","5","1","2","7","1") = "6"
    & skf21("2","7","4","5","1","3","1","1") = "6"
    & skf21("2","7","4","5","1","3","2","1") = "6"
    & skf21("2","7","4","5","1","3","3","1") = "6"
    & skf21("2","7","4","5","1","3","4","1") = "6"
    & skf21("2","7","4","5","1","3","5","1") = "6"
    & skf21("2","7","4","5","1","3","6","1") = "6"
    & skf21("2","7","4","5","1","3","7","1") = "6"
    & skf21("2","7","4","5","1","4","1","1") = "6"
    & skf21("2","7","4","5","1","4","2","1") = "6"
    & skf21("2","7","4","5","1","4","3","1") = "6"
    & skf21("2","7","4","5","1","4","4","1") = "6"
    & skf21("2","7","4","5","1","4","5","1") = "6"
    & skf21("2","7","4","5","1","4","6","1") = "6"
    & skf21("2","7","4","5","1","4","7","1") = "6"
    & skf21("2","7","4","5","1","5","1","1") = "6"
    & skf21("2","7","4","5","1","5","2","1") = "6"
    & skf21("2","7","4","5","1","5","3","1") = "6"
    & skf21("2","7","4","5","1","5","4","1") = "6"
    & skf21("2","7","4","5","1","5","5","1") = "6"
    & skf21("2","7","4","5","1","5","6","1") = "6"
    & skf21("2","7","4","5","1","5","7","1") = "6"
    & skf21("2","7","4","5","1","6","1","1") = "6"
    & skf21("2","7","4","5","1","6","2","1") = "6"
    & skf21("2","7","4","5","1","6","3","1") = "6"
    & skf21("2","7","4","5","1","6","4","1") = "6"
    & skf21("2","7","4","5","1","6","5","1") = "6"
    & skf21("2","7","4","5","1","6","6","1") = "6"
    & skf21("2","7","4","5","1","6","7","1") = "6"
    & skf21("2","7","4","5","1","7","1","1") = "6"
    & skf21("2","7","4","5","1","7","2","1") = "6"
    & skf21("2","7","4","5","1","7","3","1") = "6"
    & skf21("2","7","4","5","1","7","4","1") = "6"
    & skf21("2","7","4","5","1","7","5","1") = "6"
    & skf21("2","7","4","5","1","7","6","1") = "6"
    & skf21("2","7","4","5","1","7","7","1") = "6"
    & skf21("2","7","4","5","2","1","1","1") = "6"
    & skf21("2","7","4","5","2","1","2","1") = "6"
    & skf21("2","7","4","5","2","1","3","1") = "6"
    & skf21("2","7","4","5","2","1","4","1") = "6"
    & skf21("2","7","4","5","2","1","5","1") = "6"
    & skf21("2","7","4","5","2","1","6","1") = "6"
    & skf21("2","7","4","5","2","1","7","1") = "6"
    & skf21("2","7","4","5","2","2","1","1") = "6"
    & skf21("2","7","4","5","2","2","2","1") = "6"
    & skf21("2","7","4","5","2","2","3","1") = "6"
    & skf21("2","7","4","5","2","2","4","1") = "6"
    & skf21("2","7","4","5","2","2","5","1") = "6"
    & skf21("2","7","4","5","2","2","6","1") = "6"
    & skf21("2","7","4","5","2","2","7","1") = "6"
    & skf21("2","7","4","5","2","3","1","1") = "6"
    & skf21("2","7","4","5","2","3","2","1") = "6"
    & skf21("2","7","4","5","2","3","3","1") = "6"
    & skf21("2","7","4","5","2","3","4","1") = "6"
    & skf21("2","7","4","5","2","3","5","1") = "6"
    & skf21("2","7","4","5","2","3","6","1") = "6"
    & skf21("2","7","4","5","2","3","7","1") = "6"
    & skf21("2","7","4","5","2","4","1","1") = "6"
    & skf21("2","7","4","5","2","4","2","1") = "6"
    & skf21("2","7","4","5","2","4","3","1") = "6"
    & skf21("2","7","4","5","2","4","4","1") = "6"
    & skf21("2","7","4","5","2","4","5","1") = "6"
    & skf21("2","7","4","5","2","4","6","1") = "6"
    & skf21("2","7","4","5","2","4","7","1") = "6"
    & skf21("2","7","4","5","2","5","1","1") = "6"
    & skf21("2","7","4","5","2","5","2","1") = "6"
    & skf21("2","7","4","5","2","5","3","1") = "6"
    & skf21("2","7","4","5","2","5","4","1") = "6"
    & skf21("2","7","4","5","2","5","5","1") = "6"
    & skf21("2","7","4","5","2","5","6","1") = "6"
    & skf21("2","7","4","5","2","5","7","1") = "6"
    & skf21("2","7","4","5","2","6","1","1") = "6"
    & skf21("2","7","4","5","2","6","2","1") = "6"
    & skf21("2","7","4","5","2","6","3","1") = "6"
    & skf21("2","7","4","5","2","6","4","1") = "6"
    & skf21("2","7","4","5","2","6","5","1") = "6"
    & skf21("2","7","4","5","2","6","6","1") = "6"
    & skf21("2","7","4","5","2","6","7","1") = "6"
    & skf21("2","7","4","5","2","7","1","1") = "6"
    & skf21("2","7","4","5","2","7","2","1") = "6"
    & skf21("2","7","4","5","2","7","3","1") = "6"
    & skf21("2","7","4","5","2","7","4","1") = "6"
    & skf21("2","7","4","5","2","7","5","1") = "6"
    & skf21("2","7","4","5","2","7","6","1") = "6"
    & skf21("2","7","4","5","2","7","7","1") = "6"
    & skf21("2","7","4","5","3","1","1","1") = "6"
    & skf21("2","7","4","5","3","1","2","1") = "6"
    & skf21("2","7","4","5","3","1","3","1") = "6"
    & skf21("2","7","4","5","3","1","4","1") = "6"
    & skf21("2","7","4","5","3","1","5","1") = "6"
    & skf21("2","7","4","5","3","1","6","1") = "6"
    & skf21("2","7","4","5","3","1","7","1") = "6"
    & skf21("2","7","4","5","3","2","1","1") = "6"
    & skf21("2","7","4","5","3","2","2","1") = "6"
    & skf21("2","7","4","5","3","2","3","1") = "6"
    & skf21("2","7","4","5","3","2","4","1") = "6"
    & skf21("2","7","4","5","3","2","5","1") = "6"
    & skf21("2","7","4","5","3","2","6","1") = "6"
    & skf21("2","7","4","5","3","2","7","1") = "6"
    & skf21("2","7","4","5","3","3","1","1") = "6"
    & skf21("2","7","4","5","3","3","2","1") = "6"
    & skf21("2","7","4","5","3","3","3","1") = "6"
    & skf21("2","7","4","5","3","3","4","1") = "6"
    & skf21("2","7","4","5","3","3","5","1") = "6"
    & skf21("2","7","4","5","3","3","6","1") = "6"
    & skf21("2","7","4","5","3","3","7","1") = "6"
    & skf21("2","7","4","5","3","4","1","1") = "6"
    & skf21("2","7","4","5","3","4","2","1") = "6"
    & skf21("2","7","4","5","3","4","3","1") = "6"
    & skf21("2","7","4","5","3","4","4","1") = "6"
    & skf21("2","7","4","5","3","4","5","1") = "6"
    & skf21("2","7","4","5","3","4","6","1") = "6"
    & skf21("2","7","4","5","3","4","7","1") = "6"
    & skf21("2","7","4","5","3","5","1","1") = "6"
    & skf21("2","7","4","5","3","5","2","1") = "6"
    & skf21("2","7","4","5","3","5","3","1") = "6"
    & skf21("2","7","4","5","3","5","4","1") = "6"
    & skf21("2","7","4","5","3","5","5","1") = "6"
    & skf21("2","7","4","5","3","5","6","1") = "6"
    & skf21("2","7","4","5","3","5","7","1") = "6"
    & skf21("2","7","4","5","3","6","1","1") = "6"
    & skf21("2","7","4","5","3","6","2","1") = "6"
    & skf21("2","7","4","5","3","6","3","1") = "6"
    & skf21("2","7","4","5","3","6","4","1") = "6"
    & skf21("2","7","4","5","3","6","5","1") = "6"
    & skf21("2","7","4","5","3","6","6","1") = "6"
    & skf21("2","7","4","5","3","6","7","1") = "6"
    & skf21("2","7","4","5","3","7","1","1") = "6"
    & skf21("2","7","4","5","3","7","2","1") = "6"
    & skf21("2","7","4","5","3","7","3","1") = "6"
    & skf21("2","7","4","5","3","7","4","1") = "6"
    & skf21("2","7","4","5","3","7","5","1") = "6"
    & skf21("2","7","4","5","3","7","6","1") = "6"
    & skf21("2","7","4","5","3","7","7","1") = "6"
    & skf21("2","7","4","5","4","1","1","1") = "6"
    & skf21("2","7","4","5","4","1","2","1") = "6"
    & skf21("2","7","4","5","4","1","3","1") = "6"
    & skf21("2","7","4","5","4","1","4","1") = "6"
    & skf21("2","7","4","5","4","1","5","1") = "6"
    & skf21("2","7","4","5","4","1","6","1") = "6"
    & skf21("2","7","4","5","4","1","7","1") = "6"
    & skf21("2","7","4","5","4","2","1","1") = "6"
    & skf21("2","7","4","5","4","2","2","1") = "6"
    & skf21("2","7","4","5","4","2","3","1") = "6"
    & skf21("2","7","4","5","4","2","4","1") = "6"
    & skf21("2","7","4","5","4","2","5","1") = "6"
    & skf21("2","7","4","5","4","2","6","1") = "6"
    & skf21("2","7","4","5","4","2","7","1") = "6"
    & skf21("2","7","4","5","4","3","1","1") = "6"
    & skf21("2","7","4","5","4","3","2","1") = "6"
    & skf21("2","7","4","5","4","3","3","1") = "6"
    & skf21("2","7","4","5","4","3","4","1") = "6"
    & skf21("2","7","4","5","4","3","5","1") = "6"
    & skf21("2","7","4","5","4","3","6","1") = "6"
    & skf21("2","7","4","5","4","3","7","1") = "6"
    & skf21("2","7","4","5","4","4","1","1") = "6"
    & skf21("2","7","4","5","4","4","2","1") = "6"
    & skf21("2","7","4","5","4","4","3","1") = "6"
    & skf21("2","7","4","5","4","4","4","1") = "6"
    & skf21("2","7","4","5","4","4","5","1") = "6"
    & skf21("2","7","4","5","4","4","6","1") = "6"
    & skf21("2","7","4","5","4","4","7","1") = "6"
    & skf21("2","7","4","5","4","5","1","1") = "6"
    & skf21("2","7","4","5","4","5","2","1") = "6"
    & skf21("2","7","4","5","4","5","3","1") = "6"
    & skf21("2","7","4","5","4","5","4","1") = "6"
    & skf21("2","7","4","5","4","5","5","1") = "6"
    & skf21("2","7","4","5","4","5","6","1") = "6"
    & skf21("2","7","4","5","4","5","7","1") = "6"
    & skf21("2","7","4","5","4","6","1","1") = "6"
    & skf21("2","7","4","5","4","6","2","1") = "6"
    & skf21("2","7","4","5","4","6","3","1") = "6"
    & skf21("2","7","4","5","4","6","4","1") = "6"
    & skf21("2","7","4","5","4","6","5","1") = "6"
    & skf21("2","7","4","5","4","6","6","1") = "6"
    & skf21("2","7","4","5","4","6","7","1") = "6"
    & skf21("2","7","4","5","4","7","1","1") = "6"
    & skf21("2","7","4","5","4","7","2","1") = "6"
    & skf21("2","7","4","5","4","7","3","1") = "6"
    & skf21("2","7","4","5","4","7","4","1") = "6"
    & skf21("2","7","4","5","4","7","5","1") = "6"
    & skf21("2","7","4","5","4","7","6","1") = "6"
    & skf21("2","7","4","5","4","7","7","1") = "6"
    & skf21("2","7","4","5","5","1","1","1") = "6"
    & skf21("2","7","4","5","5","1","2","1") = "6"
    & skf21("2","7","4","5","5","1","3","1") = "6"
    & skf21("2","7","4","5","5","1","4","1") = "6"
    & skf21("2","7","4","5","5","1","5","1") = "6"
    & skf21("2","7","4","5","5","1","6","1") = "6"
    & skf21("2","7","4","5","5","1","7","1") = "6"
    & skf21("2","7","4","5","5","2","1","1") = "6"
    & skf21("2","7","4","5","5","2","2","1") = "6"
    & skf21("2","7","4","5","5","2","3","1") = "6"
    & skf21("2","7","4","5","5","2","4","1") = "6"
    & skf21("2","7","4","5","5","2","5","1") = "6"
    & skf21("2","7","4","5","5","2","6","1") = "6"
    & skf21("2","7","4","5","5","2","7","1") = "6"
    & skf21("2","7","4","5","5","3","1","1") = "6"
    & skf21("2","7","4","5","5","3","2","1") = "6"
    & skf21("2","7","4","5","5","3","3","1") = "6"
    & skf21("2","7","4","5","5","3","4","1") = "6"
    & skf21("2","7","4","5","5","3","5","1") = "6"
    & skf21("2","7","4","5","5","3","6","1") = "6"
    & skf21("2","7","4","5","5","3","7","1") = "6"
    & skf21("2","7","4","5","5","4","1","1") = "6"
    & skf21("2","7","4","5","5","4","2","1") = "6"
    & skf21("2","7","4","5","5","4","3","1") = "6"
    & skf21("2","7","4","5","5","4","4","1") = "6"
    & skf21("2","7","4","5","5","4","5","1") = "6"
    & skf21("2","7","4","5","5","4","6","1") = "6"
    & skf21("2","7","4","5","5","4","7","1") = "6"
    & skf21("2","7","4","5","5","5","1","1") = "6"
    & skf21("2","7","4","5","5","5","2","1") = "6"
    & skf21("2","7","4","5","5","5","3","1") = "6"
    & skf21("2","7","4","5","5","5","4","1") = "6"
    & skf21("2","7","4","5","5","5","5","1") = "6"
    & skf21("2","7","4","5","5","5","6","1") = "6"
    & skf21("2","7","4","5","5","5","7","1") = "6"
    & skf21("2","7","4","5","5","6","1","1") = "6"
    & skf21("2","7","4","5","5","6","2","1") = "6"
    & skf21("2","7","4","5","5","6","3","1") = "6"
    & skf21("2","7","4","5","5","6","4","1") = "6"
    & skf21("2","7","4","5","5","6","5","1") = "6"
    & skf21("2","7","4","5","5","6","6","1") = "6"
    & skf21("2","7","4","5","5","6","7","1") = "6"
    & skf21("2","7","4","5","5","7","1","1") = "6"
    & skf21("2","7","4","5","5","7","2","1") = "6"
    & skf21("2","7","4","5","5","7","3","1") = "6"
    & skf21("2","7","4","5","5","7","4","1") = "6"
    & skf21("2","7","4","5","5","7","5","1") = "6"
    & skf21("2","7","4","5","5","7","6","1") = "6"
    & skf21("2","7","4","5","5","7","7","1") = "6"
    & skf21("2","7","4","5","6","1","1","1") = "6"
    & skf21("2","7","4","5","6","1","2","1") = "6"
    & skf21("2","7","4","5","6","1","3","1") = "6"
    & skf21("2","7","4","5","6","1","4","1") = "6"
    & skf21("2","7","4","5","6","1","5","1") = "6"
    & skf21("2","7","4","5","6","1","6","1") = "6"
    & skf21("2","7","4","5","6","1","7","1") = "6"
    & skf21("2","7","4","5","6","2","1","1") = "6"
    & skf21("2","7","4","5","6","2","2","1") = "6"
    & skf21("2","7","4","5","6","2","3","1") = "6"
    & skf21("2","7","4","5","6","2","4","1") = "6"
    & skf21("2","7","4","5","6","2","5","1") = "6"
    & skf21("2","7","4","5","6","2","6","1") = "6"
    & skf21("2","7","4","5","6","2","7","1") = "6"
    & skf21("2","7","4","5","6","3","1","1") = "6"
    & skf21("2","7","4","5","6","3","2","1") = "6"
    & skf21("2","7","4","5","6","3","3","1") = "6"
    & skf21("2","7","4","5","6","3","4","1") = "6"
    & skf21("2","7","4","5","6","3","5","1") = "6"
    & skf21("2","7","4","5","6","3","6","1") = "6"
    & skf21("2","7","4","5","6","3","7","1") = "6"
    & skf21("2","7","4","5","6","4","1","1") = "6"
    & skf21("2","7","4","5","6","4","2","1") = "6"
    & skf21("2","7","4","5","6","4","3","1") = "6"
    & skf21("2","7","4","5","6","4","4","1") = "6"
    & skf21("2","7","4","5","6","4","5","1") = "6"
    & skf21("2","7","4","5","6","4","6","1") = "6"
    & skf21("2","7","4","5","6","4","7","1") = "6"
    & skf21("2","7","4","5","6","5","1","1") = "6"
    & skf21("2","7","4","5","6","5","2","1") = "6"
    & skf21("2","7","4","5","6","5","3","1") = "6"
    & skf21("2","7","4","5","6","5","4","1") = "6"
    & skf21("2","7","4","5","6","5","5","1") = "6"
    & skf21("2","7","4","5","6","5","6","1") = "6"
    & skf21("2","7","4","5","6","5","7","1") = "6"
    & skf21("2","7","4","5","6","6","1","1") = "6"
    & skf21("2","7","4","5","6","6","2","1") = "6"
    & skf21("2","7","4","5","6","6","3","1") = "6"
    & skf21("2","7","4","5","6","6","4","1") = "6"
    & skf21("2","7","4","5","6","6","5","1") = "6"
    & skf21("2","7","4","5","6","6","6","1") = "6"
    & skf21("2","7","4","5","6","6","7","1") = "6"
    & skf21("2","7","4","5","6","7","1","1") = "6"
    & skf21("2","7","4","5","6","7","2","1") = "6"
    & skf21("2","7","4","5","6","7","3","1") = "6"
    & skf21("2","7","4","5","6","7","4","1") = "6"
    & skf21("2","7","4","5","6","7","5","1") = "6"
    & skf21("2","7","4","5","6","7","6","1") = "6"
    & skf21("2","7","4","5","6","7","7","1") = "6"
    & skf21("2","7","4","5","7","1","1","1") = "6"
    & skf21("2","7","4","5","7","1","2","1") = "6"
    & skf21("2","7","4","5","7","1","3","1") = "6"
    & skf21("2","7","4","5","7","1","4","1") = "6"
    & skf21("2","7","4","5","7","1","5","1") = "6"
    & skf21("2","7","4","5","7","1","6","1") = "6"
    & skf21("2","7","4","5","7","1","7","1") = "6"
    & skf21("2","7","4","5","7","2","1","1") = "6"
    & skf21("2","7","4","5","7","2","2","1") = "6"
    & skf21("2","7","4","5","7","2","3","1") = "6"
    & skf21("2","7","4","5","7","2","4","1") = "6"
    & skf21("2","7","4","5","7","2","5","1") = "6"
    & skf21("2","7","4","5","7","2","6","1") = "6"
    & skf21("2","7","4","5","7","2","7","1") = "6"
    & skf21("2","7","4","5","7","3","1","1") = "6"
    & skf21("2","7","4","5","7","3","2","1") = "6"
    & skf21("2","7","4","5","7","3","3","1") = "6"
    & skf21("2","7","4","5","7","3","4","1") = "6"
    & skf21("2","7","4","5","7","3","5","1") = "6"
    & skf21("2","7","4","5","7","3","6","1") = "6"
    & skf21("2","7","4","5","7","3","7","1") = "6"
    & skf21("2","7","4","5","7","4","1","1") = "6"
    & skf21("2","7","4","5","7","4","2","1") = "6"
    & skf21("2","7","4","5","7","4","3","1") = "6"
    & skf21("2","7","4","5","7","4","4","1") = "6"
    & skf21("2","7","4","5","7","4","5","1") = "6"
    & skf21("2","7","4","5","7","4","6","1") = "6"
    & skf21("2","7","4","5","7","4","7","1") = "6"
    & skf21("2","7","4","5","7","5","1","1") = "6"
    & skf21("2","7","4","5","7","5","2","1") = "6"
    & skf21("2","7","4","5","7","5","3","1") = "6"
    & skf21("2","7","4","5","7","5","4","1") = "6"
    & skf21("2","7","4","5","7","5","5","1") = "6"
    & skf21("2","7","4","5","7","5","6","1") = "6"
    & skf21("2","7","4","5","7","5","7","1") = "6"
    & skf21("2","7","4","5","7","6","1","1") = "6"
    & skf21("2","7","4","5","7","6","2","1") = "6"
    & skf21("2","7","4","5","7","6","3","1") = "6"
    & skf21("2","7","4","5","7","6","4","1") = "6"
    & skf21("2","7","4","5","7","6","5","1") = "6"
    & skf21("2","7","4","5","7","6","6","1") = "6"
    & skf21("2","7","4","5","7","6","7","1") = "6"
    & skf21("2","7","4","5","7","7","1","1") = "6"
    & skf21("2","7","4","5","7","7","2","1") = "6"
    & skf21("2","7","4","5","7","7","3","1") = "6"
    & skf21("2","7","4","5","7","7","4","1") = "6"
    & skf21("2","7","4","5","7","7","5","1") = "6"
    & skf21("2","7","4","5","7","7","6","1") = "6"
    & skf21("2","7","4","5","7","7","7","1") = "6"
    & skf21("2","7","4","6","1","1","1","1") = "6"
    & skf21("2","7","4","6","1","1","2","1") = "6"
    & skf21("2","7","4","6","1","1","3","1") = "6"
    & skf21("2","7","4","6","1","1","4","1") = "6"
    & skf21("2","7","4","6","1","1","5","1") = "6"
    & skf21("2","7","4","6","1","1","6","1") = "6"
    & skf21("2","7","4","6","1","1","7","1") = "6"
    & skf21("2","7","4","6","1","2","1","1") = "6"
    & skf21("2","7","4","6","1","2","2","1") = "6"
    & skf21("2","7","4","6","1","2","3","1") = "6"
    & skf21("2","7","4","6","1","2","4","1") = "6"
    & skf21("2","7","4","6","1","2","5","1") = "6"
    & skf21("2","7","4","6","1","2","6","1") = "6"
    & skf21("2","7","4","6","1","2","7","1") = "6"
    & skf21("2","7","4","6","1","3","1","1") = "6"
    & skf21("2","7","4","6","1","3","2","1") = "6"
    & skf21("2","7","4","6","1","3","3","1") = "6"
    & skf21("2","7","4","6","1","3","4","1") = "6"
    & skf21("2","7","4","6","1","3","5","1") = "6"
    & skf21("2","7","4","6","1","3","6","1") = "6"
    & skf21("2","7","4","6","1","3","7","1") = "6"
    & skf21("2","7","4","6","1","4","1","1") = "6"
    & skf21("2","7","4","6","1","4","2","1") = "6"
    & skf21("2","7","4","6","1","4","3","1") = "6"
    & skf21("2","7","4","6","1","4","4","1") = "6"
    & skf21("2","7","4","6","1","4","5","1") = "6"
    & skf21("2","7","4","6","1","4","6","1") = "6"
    & skf21("2","7","4","6","1","4","7","1") = "6"
    & skf21("2","7","4","6","1","5","1","1") = "6"
    & skf21("2","7","4","6","1","5","2","1") = "6"
    & skf21("2","7","4","6","1","5","3","1") = "6"
    & skf21("2","7","4","6","1","5","4","1") = "6"
    & skf21("2","7","4","6","1","5","5","1") = "6"
    & skf21("2","7","4","6","1","5","6","1") = "6"
    & skf21("2","7","4","6","1","5","7","1") = "6"
    & skf21("2","7","4","6","1","6","1","1") = "6"
    & skf21("2","7","4","6","1","6","2","1") = "6"
    & skf21("2","7","4","6","1","6","3","1") = "6"
    & skf21("2","7","4","6","1","6","4","1") = "6"
    & skf21("2","7","4","6","1","6","5","1") = "6"
    & skf21("2","7","4","6","1","6","6","1") = "6"
    & skf21("2","7","4","6","1","6","7","1") = "6"
    & skf21("2","7","4","6","1","7","1","1") = "6"
    & skf21("2","7","4","6","1","7","2","1") = "6"
    & skf21("2","7","4","6","1","7","3","1") = "6"
    & skf21("2","7","4","6","1","7","4","1") = "6"
    & skf21("2","7","4","6","1","7","5","1") = "6"
    & skf21("2","7","4","6","1","7","6","1") = "6"
    & skf21("2","7","4","6","1","7","7","1") = "6"
    & skf21("2","7","4","6","2","1","1","1") = "6"
    & skf21("2","7","4","6","2","1","2","1") = "6"
    & skf21("2","7","4","6","2","1","3","1") = "6"
    & skf21("2","7","4","6","2","1","4","1") = "6"
    & skf21("2","7","4","6","2","1","5","1") = "6"
    & skf21("2","7","4","6","2","1","6","1") = "6"
    & skf21("2","7","4","6","2","1","7","1") = "6"
    & skf21("2","7","4","6","2","2","1","1") = "6"
    & skf21("2","7","4","6","2","2","2","1") = "6"
    & skf21("2","7","4","6","2","2","3","1") = "6"
    & skf21("2","7","4","6","2","2","4","1") = "6"
    & skf21("2","7","4","6","2","2","5","1") = "6"
    & skf21("2","7","4","6","2","2","6","1") = "6"
    & skf21("2","7","4","6","2","2","7","1") = "6"
    & skf21("2","7","4","6","2","3","1","1") = "6"
    & skf21("2","7","4","6","2","3","2","1") = "6"
    & skf21("2","7","4","6","2","3","3","1") = "6"
    & skf21("2","7","4","6","2","3","4","1") = "6"
    & skf21("2","7","4","6","2","3","5","1") = "6"
    & skf21("2","7","4","6","2","3","6","1") = "6"
    & skf21("2","7","4","6","2","3","7","1") = "6"
    & skf21("2","7","4","6","2","4","1","1") = "6"
    & skf21("2","7","4","6","2","4","2","1") = "6"
    & skf21("2","7","4","6","2","4","3","1") = "6"
    & skf21("2","7","4","6","2","4","4","1") = "6"
    & skf21("2","7","4","6","2","4","5","1") = "6"
    & skf21("2","7","4","6","2","4","6","1") = "6"
    & skf21("2","7","4","6","2","4","7","1") = "6"
    & skf21("2","7","4","6","2","5","1","1") = "6"
    & skf21("2","7","4","6","2","5","2","1") = "6"
    & skf21("2","7","4","6","2","5","3","1") = "6"
    & skf21("2","7","4","6","2","5","4","1") = "6"
    & skf21("2","7","4","6","2","5","5","1") = "6"
    & skf21("2","7","4","6","2","5","6","1") = "6"
    & skf21("2","7","4","6","2","5","7","1") = "6"
    & skf21("2","7","4","6","2","6","1","1") = "6"
    & skf21("2","7","4","6","2","6","2","1") = "6"
    & skf21("2","7","4","6","2","6","3","1") = "6"
    & skf21("2","7","4","6","2","6","4","1") = "6"
    & skf21("2","7","4","6","2","6","5","1") = "6"
    & skf21("2","7","4","6","2","6","6","1") = "6"
    & skf21("2","7","4","6","2","6","7","1") = "6"
    & skf21("2","7","4","6","2","7","1","1") = "6"
    & skf21("2","7","4","6","2","7","2","1") = "6"
    & skf21("2","7","4","6","2","7","3","1") = "6"
    & skf21("2","7","4","6","2","7","4","1") = "6"
    & skf21("2","7","4","6","2","7","5","1") = "6"
    & skf21("2","7","4","6","2","7","6","1") = "6"
    & skf21("2","7","4","6","2","7","7","1") = "6"
    & skf21("2","7","4","6","3","1","1","1") = "6"
    & skf21("2","7","4","6","3","1","2","1") = "6"
    & skf21("2","7","4","6","3","1","3","1") = "6"
    & skf21("2","7","4","6","3","1","4","1") = "6"
    & skf21("2","7","4","6","3","1","5","1") = "6"
    & skf21("2","7","4","6","3","1","6","1") = "6"
    & skf21("2","7","4","6","3","1","7","1") = "6"
    & skf21("2","7","4","6","3","2","1","1") = "6"
    & skf21("2","7","4","6","3","2","2","1") = "6"
    & skf21("2","7","4","6","3","2","3","1") = "6"
    & skf21("2","7","4","6","3","2","4","1") = "6"
    & skf21("2","7","4","6","3","2","5","1") = "6"
    & skf21("2","7","4","6","3","2","6","1") = "6"
    & skf21("2","7","4","6","3","2","7","1") = "6"
    & skf21("2","7","4","6","3","3","1","1") = "6"
    & skf21("2","7","4","6","3","3","2","1") = "6"
    & skf21("2","7","4","6","3","3","3","1") = "6"
    & skf21("2","7","4","6","3","3","4","1") = "6"
    & skf21("2","7","4","6","3","3","5","1") = "6"
    & skf21("2","7","4","6","3","3","6","1") = "6"
    & skf21("2","7","4","6","3","3","7","1") = "6"
    & skf21("2","7","4","6","3","4","1","1") = "6"
    & skf21("2","7","4","6","3","4","2","1") = "6"
    & skf21("2","7","4","6","3","4","3","1") = "6"
    & skf21("2","7","4","6","3","4","4","1") = "6"
    & skf21("2","7","4","6","3","4","5","1") = "6"
    & skf21("2","7","4","6","3","4","6","1") = "6"
    & skf21("2","7","4","6","3","4","7","1") = "6"
    & skf21("2","7","4","6","3","5","1","1") = "6"
    & skf21("2","7","4","6","3","5","2","1") = "6"
    & skf21("2","7","4","6","3","5","3","1") = "6"
    & skf21("2","7","4","6","3","5","4","1") = "6"
    & skf21("2","7","4","6","3","5","5","1") = "6"
    & skf21("2","7","4","6","3","5","6","1") = "6"
    & skf21("2","7","4","6","3","5","7","1") = "6"
    & skf21("2","7","4","6","3","6","1","1") = "6"
    & skf21("2","7","4","6","3","6","2","1") = "6"
    & skf21("2","7","4","6","3","6","3","1") = "6"
    & skf21("2","7","4","6","3","6","4","1") = "6"
    & skf21("2","7","4","6","3","6","5","1") = "6"
    & skf21("2","7","4","6","3","6","6","1") = "6"
    & skf21("2","7","4","6","3","6","7","1") = "6"
    & skf21("2","7","4","6","3","7","1","1") = "6"
    & skf21("2","7","4","6","3","7","2","1") = "6"
    & skf21("2","7","4","6","3","7","3","1") = "6"
    & skf21("2","7","4","6","3","7","4","1") = "6"
    & skf21("2","7","4","6","3","7","5","1") = "6"
    & skf21("2","7","4","6","3","7","6","1") = "6"
    & skf21("2","7","4","6","3","7","7","1") = "6"
    & skf21("2","7","4","6","4","1","1","1") = "6"
    & skf21("2","7","4","6","4","1","2","1") = "6"
    & skf21("2","7","4","6","4","1","3","1") = "6"
    & skf21("2","7","4","6","4","1","4","1") = "6"
    & skf21("2","7","4","6","4","1","5","1") = "6"
    & skf21("2","7","4","6","4","1","6","1") = "6"
    & skf21("2","7","4","6","4","1","7","1") = "6"
    & skf21("2","7","4","6","4","2","1","1") = "6"
    & skf21("2","7","4","6","4","2","2","1") = "6"
    & skf21("2","7","4","6","4","2","3","1") = "6"
    & skf21("2","7","4","6","4","2","4","1") = "6"
    & skf21("2","7","4","6","4","2","5","1") = "6"
    & skf21("2","7","4","6","4","2","6","1") = "6"
    & skf21("2","7","4","6","4","2","7","1") = "6"
    & skf21("2","7","4","6","4","3","1","1") = "6"
    & skf21("2","7","4","6","4","3","2","1") = "6"
    & skf21("2","7","4","6","4","3","3","1") = "6"
    & skf21("2","7","4","6","4","3","4","1") = "6"
    & skf21("2","7","4","6","4","3","5","1") = "6"
    & skf21("2","7","4","6","4","3","6","1") = "6"
    & skf21("2","7","4","6","4","3","7","1") = "6"
    & skf21("2","7","4","6","4","4","1","1") = "6"
    & skf21("2","7","4","6","4","4","2","1") = "6"
    & skf21("2","7","4","6","4","4","3","1") = "6"
    & skf21("2","7","4","6","4","4","4","1") = "6"
    & skf21("2","7","4","6","4","4","5","1") = "6"
    & skf21("2","7","4","6","4","4","6","1") = "6"
    & skf21("2","7","4","6","4","4","7","1") = "6"
    & skf21("2","7","4","6","4","5","1","1") = "6"
    & skf21("2","7","4","6","4","5","2","1") = "6"
    & skf21("2","7","4","6","4","5","3","1") = "6"
    & skf21("2","7","4","6","4","5","4","1") = "6"
    & skf21("2","7","4","6","4","5","5","1") = "6"
    & skf21("2","7","4","6","4","5","6","1") = "6"
    & skf21("2","7","4","6","4","5","7","1") = "6"
    & skf21("2","7","4","6","4","6","1","1") = "6"
    & skf21("2","7","4","6","4","6","2","1") = "6"
    & skf21("2","7","4","6","4","6","3","1") = "6"
    & skf21("2","7","4","6","4","6","4","1") = "6"
    & skf21("2","7","4","6","4","6","5","1") = "6"
    & skf21("2","7","4","6","4","6","6","1") = "6"
    & skf21("2","7","4","6","4","6","7","1") = "6"
    & skf21("2","7","4","6","4","7","1","1") = "6"
    & skf21("2","7","4","6","4","7","2","1") = "6"
    & skf21("2","7","4","6","4","7","3","1") = "6"
    & skf21("2","7","4","6","4","7","4","1") = "6"
    & skf21("2","7","4","6","4","7","5","1") = "6"
    & skf21("2","7","4","6","4","7","6","1") = "6"
    & skf21("2","7","4","6","4","7","7","1") = "6"
    & skf21("2","7","4","6","5","1","1","1") = "6"
    & skf21("2","7","4","6","5","1","2","1") = "6"
    & skf21("2","7","4","6","5","1","3","1") = "6"
    & skf21("2","7","4","6","5","1","4","1") = "6"
    & skf21("2","7","4","6","5","1","5","1") = "6"
    & skf21("2","7","4","6","5","1","6","1") = "6"
    & skf21("2","7","4","6","5","1","7","1") = "6"
    & skf21("2","7","4","6","5","2","1","1") = "6"
    & skf21("2","7","4","6","5","2","2","1") = "6"
    & skf21("2","7","4","6","5","2","3","1") = "6"
    & skf21("2","7","4","6","5","2","4","1") = "6"
    & skf21("2","7","4","6","5","2","5","1") = "6"
    & skf21("2","7","4","6","5","2","6","1") = "6"
    & skf21("2","7","4","6","5","2","7","1") = "6"
    & skf21("2","7","4","6","5","3","1","1") = "6"
    & skf21("2","7","4","6","5","3","2","1") = "6"
    & skf21("2","7","4","6","5","3","3","1") = "6"
    & skf21("2","7","4","6","5","3","4","1") = "6"
    & skf21("2","7","4","6","5","3","5","1") = "6"
    & skf21("2","7","4","6","5","3","6","1") = "6"
    & skf21("2","7","4","6","5","3","7","1") = "6"
    & skf21("2","7","4","6","5","4","1","1") = "6"
    & skf21("2","7","4","6","5","4","2","1") = "6"
    & skf21("2","7","4","6","5","4","3","1") = "6"
    & skf21("2","7","4","6","5","4","4","1") = "6"
    & skf21("2","7","4","6","5","4","5","1") = "6"
    & skf21("2","7","4","6","5","4","6","1") = "6"
    & skf21("2","7","4","6","5","4","7","1") = "6"
    & skf21("2","7","4","6","5","5","1","1") = "6"
    & skf21("2","7","4","6","5","5","2","1") = "6"
    & skf21("2","7","4","6","5","5","3","1") = "6"
    & skf21("2","7","4","6","5","5","4","1") = "6"
    & skf21("2","7","4","6","5","5","5","1") = "6"
    & skf21("2","7","4","6","5","5","6","1") = "6"
    & skf21("2","7","4","6","5","5","7","1") = "6"
    & skf21("2","7","4","6","5","6","1","1") = "6"
    & skf21("2","7","4","6","5","6","2","1") = "6"
    & skf21("2","7","4","6","5","6","3","1") = "6"
    & skf21("2","7","4","6","5","6","4","1") = "6"
    & skf21("2","7","4","6","5","6","5","1") = "6"
    & skf21("2","7","4","6","5","6","6","1") = "6"
    & skf21("2","7","4","6","5","6","7","1") = "6"
    & skf21("2","7","4","6","5","7","1","1") = "6"
    & skf21("2","7","4","6","5","7","2","1") = "6"
    & skf21("2","7","4","6","5","7","3","1") = "6"
    & skf21("2","7","4","6","5","7","4","1") = "6"
    & skf21("2","7","4","6","5","7","5","1") = "6"
    & skf21("2","7","4","6","5","7","6","1") = "6"
    & skf21("2","7","4","6","5","7","7","1") = "6"
    & skf21("2","7","4","6","6","1","1","1") = "6"
    & skf21("2","7","4","6","6","1","2","1") = "6"
    & skf21("2","7","4","6","6","1","3","1") = "6"
    & skf21("2","7","4","6","6","1","4","1") = "6"
    & skf21("2","7","4","6","6","1","5","1") = "6"
    & skf21("2","7","4","6","6","1","6","1") = "6"
    & skf21("2","7","4","6","6","1","7","1") = "6"
    & skf21("2","7","4","6","6","2","1","1") = "6"
    & skf21("2","7","4","6","6","2","2","1") = "6"
    & skf21("2","7","4","6","6","2","3","1") = "6"
    & skf21("2","7","4","6","6","2","4","1") = "6"
    & skf21("2","7","4","6","6","2","5","1") = "6"
    & skf21("2","7","4","6","6","2","6","1") = "6"
    & skf21("2","7","4","6","6","2","7","1") = "6"
    & skf21("2","7","4","6","6","3","1","1") = "6"
    & skf21("2","7","4","6","6","3","2","1") = "6"
    & skf21("2","7","4","6","6","3","3","1") = "6"
    & skf21("2","7","4","6","6","3","4","1") = "6"
    & skf21("2","7","4","6","6","3","5","1") = "6"
    & skf21("2","7","4","6","6","3","6","1") = "6"
    & skf21("2","7","4","6","6","3","7","1") = "6"
    & skf21("2","7","4","6","6","4","1","1") = "6"
    & skf21("2","7","4","6","6","4","2","1") = "6"
    & skf21("2","7","4","6","6","4","3","1") = "6"
    & skf21("2","7","4","6","6","4","4","1") = "6"
    & skf21("2","7","4","6","6","4","5","1") = "6"
    & skf21("2","7","4","6","6","4","6","1") = "6"
    & skf21("2","7","4","6","6","4","7","1") = "6"
    & skf21("2","7","4","6","6","5","1","1") = "6"
    & skf21("2","7","4","6","6","5","2","1") = "6"
    & skf21("2","7","4","6","6","5","3","1") = "6"
    & skf21("2","7","4","6","6","5","4","1") = "6"
    & skf21("2","7","4","6","6","5","5","1") = "6"
    & skf21("2","7","4","6","6","5","6","1") = "6"
    & skf21("2","7","4","6","6","5","7","1") = "6"
    & skf21("2","7","4","6","6","6","1","1") = "6"
    & skf21("2","7","4","6","6","6","2","1") = "6"
    & skf21("2","7","4","6","6","6","3","1") = "6"
    & skf21("2","7","4","6","6","6","4","1") = "6"
    & skf21("2","7","4","6","6","6","5","1") = "6"
    & skf21("2","7","4","6","6","6","6","1") = "6"
    & skf21("2","7","4","6","6","6","7","1") = "6"
    & skf21("2","7","4","6","6","7","1","1") = "6"
    & skf21("2","7","4","6","6","7","2","1") = "6"
    & skf21("2","7","4","6","6","7","3","1") = "6"
    & skf21("2","7","4","6","6","7","4","1") = "6"
    & skf21("2","7","4","6","6","7","5","1") = "6"
    & skf21("2","7","4","6","6","7","6","1") = "6"
    & skf21("2","7","4","6","6","7","7","1") = "6"
    & skf21("2","7","4","6","7","1","1","1") = "6"
    & skf21("2","7","4","6","7","1","2","1") = "6"
    & skf21("2","7","4","6","7","1","3","1") = "6"
    & skf21("2","7","4","6","7","1","4","1") = "6"
    & skf21("2","7","4","6","7","1","5","1") = "6"
    & skf21("2","7","4","6","7","1","6","1") = "6"
    & skf21("2","7","4","6","7","1","7","1") = "6"
    & skf21("2","7","4","6","7","2","1","1") = "6"
    & skf21("2","7","4","6","7","2","2","1") = "6"
    & skf21("2","7","4","6","7","2","3","1") = "6"
    & skf21("2","7","4","6","7","2","4","1") = "6"
    & skf21("2","7","4","6","7","2","5","1") = "6"
    & skf21("2","7","4","6","7","2","6","1") = "6"
    & skf21("2","7","4","6","7","2","7","1") = "6"
    & skf21("2","7","4","6","7","3","1","1") = "6"
    & skf21("2","7","4","6","7","3","2","1") = "6"
    & skf21("2","7","4","6","7","3","3","1") = "6"
    & skf21("2","7","4","6","7","3","4","1") = "6"
    & skf21("2","7","4","6","7","3","5","1") = "6"
    & skf21("2","7","4","6","7","3","6","1") = "6"
    & skf21("2","7","4","6","7","3","7","1") = "6"
    & skf21("2","7","4","6","7","4","1","1") = "6"
    & skf21("2","7","4","6","7","4","2","1") = "6"
    & skf21("2","7","4","6","7","4","3","1") = "6"
    & skf21("2","7","4","6","7","4","4","1") = "6"
    & skf21("2","7","4","6","7","4","5","1") = "6"
    & skf21("2","7","4","6","7","4","6","1") = "6"
    & skf21("2","7","4","6","7","4","7","1") = "6"
    & skf21("2","7","4","6","7","5","1","1") = "6"
    & skf21("2","7","4","6","7","5","2","1") = "6"
    & skf21("2","7","4","6","7","5","3","1") = "6"
    & skf21("2","7","4","6","7","5","4","1") = "6"
    & skf21("2","7","4","6","7","5","5","1") = "6"
    & skf21("2","7","4","6","7","5","6","1") = "6"
    & skf21("2","7","4","6","7","5","7","1") = "6"
    & skf21("2","7","4","6","7","6","1","1") = "6"
    & skf21("2","7","4","6","7","6","2","1") = "6"
    & skf21("2","7","4","6","7","6","3","1") = "6"
    & skf21("2","7","4","6","7","6","4","1") = "6"
    & skf21("2","7","4","6","7","6","5","1") = "6"
    & skf21("2","7","4","6","7","6","6","1") = "6"
    & skf21("2","7","4","6","7","6","7","1") = "6"
    & skf21("2","7","4","6","7","7","1","1") = "6"
    & skf21("2","7","4","6","7","7","2","1") = "6"
    & skf21("2","7","4","6","7","7","3","1") = "6"
    & skf21("2","7","4","6","7","7","4","1") = "6"
    & skf21("2","7","4","6","7","7","5","1") = "6"
    & skf21("2","7","4","6","7","7","6","1") = "6"
    & skf21("2","7","4","6","7","7","7","1") = "6"
    & skf21("2","7","4","7","1","1","1","1") = "6"
    & skf21("2","7","4","7","1","1","2","1") = "6"
    & skf21("2","7","4","7","1","1","3","1") = "6"
    & skf21("2","7","4","7","1","1","4","1") = "6"
    & skf21("2","7","4","7","1","1","5","1") = "6"
    & skf21("2","7","4","7","1","1","6","1") = "6"
    & skf21("2","7","4","7","1","1","7","1") = "6"
    & skf21("2","7","4","7","1","2","1","1") = "6"
    & skf21("2","7","4","7","1","2","2","1") = "6"
    & skf21("2","7","4","7","1","2","3","1") = "6"
    & skf21("2","7","4","7","1","2","4","1") = "6"
    & skf21("2","7","4","7","1","2","5","1") = "6"
    & skf21("2","7","4","7","1","2","6","1") = "6"
    & skf21("2","7","4","7","1","2","7","1") = "6"
    & skf21("2","7","4","7","1","3","1","1") = "6"
    & skf21("2","7","4","7","1","3","2","1") = "6"
    & skf21("2","7","4","7","1","3","3","1") = "6"
    & skf21("2","7","4","7","1","3","4","1") = "6"
    & skf21("2","7","4","7","1","3","5","1") = "6"
    & skf21("2","7","4","7","1","3","6","1") = "6"
    & skf21("2","7","4","7","1","3","7","1") = "6"
    & skf21("2","7","4","7","1","4","1","1") = "6"
    & skf21("2","7","4","7","1","4","2","1") = "6"
    & skf21("2","7","4","7","1","4","3","1") = "6"
    & skf21("2","7","4","7","1","4","4","1") = "6"
    & skf21("2","7","4","7","1","4","5","1") = "6"
    & skf21("2","7","4","7","1","4","6","1") = "6"
    & skf21("2","7","4","7","1","4","7","1") = "6"
    & skf21("2","7","4","7","1","5","1","1") = "6"
    & skf21("2","7","4","7","1","5","2","1") = "6"
    & skf21("2","7","4","7","1","5","3","1") = "6"
    & skf21("2","7","4","7","1","5","4","1") = "6"
    & skf21("2","7","4","7","1","5","5","1") = "6"
    & skf21("2","7","4","7","1","5","6","1") = "6"
    & skf21("2","7","4","7","1","5","7","1") = "6"
    & skf21("2","7","4","7","1","6","1","1") = "6"
    & skf21("2","7","4","7","1","6","2","1") = "6"
    & skf21("2","7","4","7","1","6","3","1") = "6"
    & skf21("2","7","4","7","1","6","4","1") = "6"
    & skf21("2","7","4","7","1","6","5","1") = "6"
    & skf21("2","7","4","7","1","6","6","1") = "6"
    & skf21("2","7","4","7","1","6","7","1") = "6"
    & skf21("2","7","4","7","1","7","1","1") = "6"
    & skf21("2","7","4","7","1","7","2","1") = "6"
    & skf21("2","7","4","7","1","7","3","1") = "6"
    & skf21("2","7","4","7","1","7","4","1") = "6"
    & skf21("2","7","4","7","1","7","5","1") = "6"
    & skf21("2","7","4","7","1","7","6","1") = "6"
    & skf21("2","7","4","7","1","7","7","1") = "6"
    & skf21("2","7","4","7","2","1","1","1") = "6"
    & skf21("2","7","4","7","2","1","2","1") = "6"
    & skf21("2","7","4","7","2","1","3","1") = "6"
    & skf21("2","7","4","7","2","1","4","1") = "6"
    & skf21("2","7","4","7","2","1","5","1") = "6"
    & skf21("2","7","4","7","2","1","6","1") = "6"
    & skf21("2","7","4","7","2","1","7","1") = "6"
    & skf21("2","7","4","7","2","2","1","1") = "6"
    & skf21("2","7","4","7","2","2","2","1") = "6"
    & skf21("2","7","4","7","2","2","3","1") = "6"
    & skf21("2","7","4","7","2","2","4","1") = "6"
    & skf21("2","7","4","7","2","2","5","1") = "6"
    & skf21("2","7","4","7","2","2","6","1") = "6"
    & skf21("2","7","4","7","2","2","7","1") = "6"
    & skf21("2","7","4","7","2","3","1","1") = "6"
    & skf21("2","7","4","7","2","3","2","1") = "6"
    & skf21("2","7","4","7","2","3","3","1") = "6"
    & skf21("2","7","4","7","2","3","4","1") = "6"
    & skf21("2","7","4","7","2","3","5","1") = "6"
    & skf21("2","7","4","7","2","3","6","1") = "6"
    & skf21("2","7","4","7","2","3","7","1") = "6"
    & skf21("2","7","4","7","2","4","1","1") = "6"
    & skf21("2","7","4","7","2","4","2","1") = "6"
    & skf21("2","7","4","7","2","4","3","1") = "6"
    & skf21("2","7","4","7","2","4","4","1") = "6"
    & skf21("2","7","4","7","2","4","5","1") = "6"
    & skf21("2","7","4","7","2","4","6","1") = "6"
    & skf21("2","7","4","7","2","4","7","1") = "6"
    & skf21("2","7","4","7","2","5","1","1") = "6"
    & skf21("2","7","4","7","2","5","2","1") = "6"
    & skf21("2","7","4","7","2","5","3","1") = "6"
    & skf21("2","7","4","7","2","5","4","1") = "6"
    & skf21("2","7","4","7","2","5","5","1") = "6"
    & skf21("2","7","4","7","2","5","6","1") = "6"
    & skf21("2","7","4","7","2","5","7","1") = "6"
    & skf21("2","7","4","7","2","6","1","1") = "6"
    & skf21("2","7","4","7","2","6","2","1") = "6"
    & skf21("2","7","4","7","2","6","3","1") = "6"
    & skf21("2","7","4","7","2","6","4","1") = "6"
    & skf21("2","7","4","7","2","6","5","1") = "6"
    & skf21("2","7","4","7","2","6","6","1") = "6"
    & skf21("2","7","4","7","2","6","7","1") = "6"
    & skf21("2","7","4","7","2","7","1","1") = "6"
    & skf21("2","7","4","7","2","7","2","1") = "6"
    & skf21("2","7","4","7","2","7","3","1") = "6"
    & skf21("2","7","4","7","2","7","4","1") = "6"
    & skf21("2","7","4","7","2","7","5","1") = "6"
    & skf21("2","7","4","7","2","7","6","1") = "6"
    & skf21("2","7","4","7","2","7","7","1") = "6"
    & skf21("2","7","4","7","3","1","1","1") = "6"
    & skf21("2","7","4","7","3","1","2","1") = "6"
    & skf21("2","7","4","7","3","1","3","1") = "6"
    & skf21("2","7","4","7","3","1","4","1") = "6"
    & skf21("2","7","4","7","3","1","5","1") = "6"
    & skf21("2","7","4","7","3","1","6","1") = "6"
    & skf21("2","7","4","7","3","1","7","1") = "6"
    & skf21("2","7","4","7","3","2","1","1") = "6"
    & skf21("2","7","4","7","3","2","2","1") = "6"
    & skf21("2","7","4","7","3","2","3","1") = "6"
    & skf21("2","7","4","7","3","2","4","1") = "6"
    & skf21("2","7","4","7","3","2","5","1") = "6"
    & skf21("2","7","4","7","3","2","6","1") = "6"
    & skf21("2","7","4","7","3","2","7","1") = "6"
    & skf21("2","7","4","7","3","3","1","1") = "6"
    & skf21("2","7","4","7","3","3","2","1") = "6"
    & skf21("2","7","4","7","3","3","3","1") = "6"
    & skf21("2","7","4","7","3","3","4","1") = "6"
    & skf21("2","7","4","7","3","3","5","1") = "6"
    & skf21("2","7","4","7","3","3","6","1") = "6"
    & skf21("2","7","4","7","3","3","7","1") = "6"
    & skf21("2","7","4","7","3","4","1","1") = "6"
    & skf21("2","7","4","7","3","4","2","1") = "6"
    & skf21("2","7","4","7","3","4","3","1") = "6"
    & skf21("2","7","4","7","3","4","4","1") = "6"
    & skf21("2","7","4","7","3","4","5","1") = "6"
    & skf21("2","7","4","7","3","4","6","1") = "6"
    & skf21("2","7","4","7","3","4","7","1") = "6"
    & skf21("2","7","4","7","3","5","1","1") = "6"
    & skf21("2","7","4","7","3","5","2","1") = "6"
    & skf21("2","7","4","7","3","5","3","1") = "6"
    & skf21("2","7","4","7","3","5","4","1") = "6"
    & skf21("2","7","4","7","3","5","5","1") = "6"
    & skf21("2","7","4","7","3","5","6","1") = "6"
    & skf21("2","7","4","7","3","5","7","1") = "6"
    & skf21("2","7","4","7","3","6","1","1") = "6"
    & skf21("2","7","4","7","3","6","2","1") = "6"
    & skf21("2","7","4","7","3","6","3","1") = "6"
    & skf21("2","7","4","7","3","6","4","1") = "6"
    & skf21("2","7","4","7","3","6","5","1") = "6"
    & skf21("2","7","4","7","3","6","6","1") = "6"
    & skf21("2","7","4","7","3","6","7","1") = "6"
    & skf21("2","7","4","7","3","7","1","1") = "6"
    & skf21("2","7","4","7","3","7","2","1") = "6"
    & skf21("2","7","4","7","3","7","3","1") = "6"
    & skf21("2","7","4","7","3","7","4","1") = "6"
    & skf21("2","7","4","7","3","7","5","1") = "6"
    & skf21("2","7","4","7","3","7","6","1") = "6"
    & skf21("2","7","4","7","3","7","7","1") = "6"
    & skf21("2","7","4","7","4","1","1","1") = "6"
    & skf21("2","7","4","7","4","1","2","1") = "6"
    & skf21("2","7","4","7","4","1","3","1") = "6"
    & skf21("2","7","4","7","4","1","4","1") = "6"
    & skf21("2","7","4","7","4","1","5","1") = "6"
    & skf21("2","7","4","7","4","1","6","1") = "6"
    & skf21("2","7","4","7","4","1","7","1") = "6"
    & skf21("2","7","4","7","4","2","1","1") = "6"
    & skf21("2","7","4","7","4","2","2","1") = "6"
    & skf21("2","7","4","7","4","2","3","1") = "6"
    & skf21("2","7","4","7","4","2","4","1") = "6"
    & skf21("2","7","4","7","4","2","5","1") = "6"
    & skf21("2","7","4","7","4","2","6","1") = "6"
    & skf21("2","7","4","7","4","2","7","1") = "6"
    & skf21("2","7","4","7","4","3","1","1") = "6"
    & skf21("2","7","4","7","4","3","2","1") = "6"
    & skf21("2","7","4","7","4","3","3","1") = "6"
    & skf21("2","7","4","7","4","3","4","1") = "6"
    & skf21("2","7","4","7","4","3","5","1") = "6"
    & skf21("2","7","4","7","4","3","6","1") = "6"
    & skf21("2","7","4","7","4","3","7","1") = "6"
    & skf21("2","7","4","7","4","4","1","1") = "6"
    & skf21("2","7","4","7","4","4","2","1") = "6"
    & skf21("2","7","4","7","4","4","3","1") = "6"
    & skf21("2","7","4","7","4","4","4","1") = "6"
    & skf21("2","7","4","7","4","4","5","1") = "6"
    & skf21("2","7","4","7","4","4","6","1") = "6"
    & skf21("2","7","4","7","4","4","7","1") = "6"
    & skf21("2","7","4","7","4","5","1","1") = "6"
    & skf21("2","7","4","7","4","5","2","1") = "6"
    & skf21("2","7","4","7","4","5","3","1") = "6"
    & skf21("2","7","4","7","4","5","4","1") = "6"
    & skf21("2","7","4","7","4","5","5","1") = "6"
    & skf21("2","7","4","7","4","5","6","1") = "6"
    & skf21("2","7","4","7","4","5","7","1") = "6"
    & skf21("2","7","4","7","4","6","1","1") = "6"
    & skf21("2","7","4","7","4","6","2","1") = "6"
    & skf21("2","7","4","7","4","6","3","1") = "6"
    & skf21("2","7","4","7","4","6","4","1") = "6"
    & skf21("2","7","4","7","4","6","5","1") = "6"
    & skf21("2","7","4","7","4","6","6","1") = "6"
    & skf21("2","7","4","7","4","6","7","1") = "6"
    & skf21("2","7","4","7","4","7","1","1") = "6"
    & skf21("2","7","4","7","4","7","2","1") = "6"
    & skf21("2","7","4","7","4","7","3","1") = "6"
    & skf21("2","7","4","7","4","7","4","1") = "6"
    & skf21("2","7","4","7","4","7","5","1") = "6"
    & skf21("2","7","4","7","4","7","6","1") = "6"
    & skf21("2","7","4","7","4","7","7","1") = "6"
    & skf21("2","7","4","7","5","1","1","1") = "6"
    & skf21("2","7","4","7","5","1","2","1") = "6"
    & skf21("2","7","4","7","5","1","3","1") = "6"
    & skf21("2","7","4","7","5","1","4","1") = "6"
    & skf21("2","7","4","7","5","1","5","1") = "6"
    & skf21("2","7","4","7","5","1","6","1") = "6"
    & skf21("2","7","4","7","5","1","7","1") = "6"
    & skf21("2","7","4","7","5","2","1","1") = "6"
    & skf21("2","7","4","7","5","2","2","1") = "6"
    & skf21("2","7","4","7","5","2","3","1") = "6"
    & skf21("2","7","4","7","5","2","4","1") = "6"
    & skf21("2","7","4","7","5","2","5","1") = "6"
    & skf21("2","7","4","7","5","2","6","1") = "6"
    & skf21("2","7","4","7","5","2","7","1") = "6"
    & skf21("2","7","4","7","5","3","1","1") = "6"
    & skf21("2","7","4","7","5","3","2","1") = "6"
    & skf21("2","7","4","7","5","3","3","1") = "6"
    & skf21("2","7","4","7","5","3","4","1") = "6"
    & skf21("2","7","4","7","5","3","5","1") = "6"
    & skf21("2","7","4","7","5","3","6","1") = "6"
    & skf21("2","7","4","7","5","3","7","1") = "6"
    & skf21("2","7","4","7","5","4","1","1") = "6"
    & skf21("2","7","4","7","5","4","2","1") = "6"
    & skf21("2","7","4","7","5","4","3","1") = "6"
    & skf21("2","7","4","7","5","4","4","1") = "6"
    & skf21("2","7","4","7","5","4","5","1") = "6"
    & skf21("2","7","4","7","5","4","6","1") = "6"
    & skf21("2","7","4","7","5","4","7","1") = "6"
    & skf21("2","7","4","7","5","5","1","1") = "6"
    & skf21("2","7","4","7","5","5","2","1") = "6"
    & skf21("2","7","4","7","5","5","3","1") = "6"
    & skf21("2","7","4","7","5","5","4","1") = "6"
    & skf21("2","7","4","7","5","5","5","1") = "6"
    & skf21("2","7","4","7","5","5","6","1") = "6"
    & skf21("2","7","4","7","5","5","7","1") = "6"
    & skf21("2","7","4","7","5","6","1","1") = "6"
    & skf21("2","7","4","7","5","6","2","1") = "6"
    & skf21("2","7","4","7","5","6","3","1") = "6"
    & skf21("2","7","4","7","5","6","4","1") = "6"
    & skf21("2","7","4","7","5","6","5","1") = "6"
    & skf21("2","7","4","7","5","6","6","1") = "6"
    & skf21("2","7","4","7","5","6","7","1") = "6"
    & skf21("2","7","4","7","5","7","1","1") = "6"
    & skf21("2","7","4","7","5","7","2","1") = "6"
    & skf21("2","7","4","7","5","7","3","1") = "6"
    & skf21("2","7","4","7","5","7","4","1") = "6"
    & skf21("2","7","4","7","5","7","5","1") = "6"
    & skf21("2","7","4","7","5","7","6","1") = "6"
    & skf21("2","7","4","7","5","7","7","1") = "6"
    & skf21("2","7","4","7","6","1","1","1") = "6"
    & skf21("2","7","4","7","6","1","2","1") = "6"
    & skf21("2","7","4","7","6","1","3","1") = "6"
    & skf21("2","7","4","7","6","1","4","1") = "6"
    & skf21("2","7","4","7","6","1","5","1") = "6"
    & skf21("2","7","4","7","6","1","6","1") = "6"
    & skf21("2","7","4","7","6","1","7","1") = "6"
    & skf21("2","7","4","7","6","2","1","1") = "6"
    & skf21("2","7","4","7","6","2","2","1") = "6"
    & skf21("2","7","4","7","6","2","3","1") = "6"
    & skf21("2","7","4","7","6","2","4","1") = "6"
    & skf21("2","7","4","7","6","2","5","1") = "6"
    & skf21("2","7","4","7","6","2","6","1") = "6"
    & skf21("2","7","4","7","6","2","7","1") = "6"
    & skf21("2","7","4","7","6","3","1","1") = "6"
    & skf21("2","7","4","7","6","3","2","1") = "6"
    & skf21("2","7","4","7","6","3","3","1") = "6"
    & skf21("2","7","4","7","6","3","4","1") = "6"
    & skf21("2","7","4","7","6","3","5","1") = "6"
    & skf21("2","7","4","7","6","3","6","1") = "6"
    & skf21("2","7","4","7","6","3","7","1") = "6"
    & skf21("2","7","4","7","6","4","1","1") = "6"
    & skf21("2","7","4","7","6","4","2","1") = "6"
    & skf21("2","7","4","7","6","4","3","1") = "6"
    & skf21("2","7","4","7","6","4","4","1") = "6"
    & skf21("2","7","4","7","6","4","5","1") = "6"
    & skf21("2","7","4","7","6","4","6","1") = "6"
    & skf21("2","7","4","7","6","4","7","1") = "6"
    & skf21("2","7","4","7","6","5","1","1") = "6"
    & skf21("2","7","4","7","6","5","2","1") = "6"
    & skf21("2","7","4","7","6","5","3","1") = "6"
    & skf21("2","7","4","7","6","5","4","1") = "6"
    & skf21("2","7","4","7","6","5","5","1") = "6"
    & skf21("2","7","4","7","6","5","6","1") = "6"
    & skf21("2","7","4","7","6","5","7","1") = "6"
    & skf21("2","7","4","7","6","6","1","1") = "6"
    & skf21("2","7","4","7","6","6","2","1") = "6"
    & skf21("2","7","4","7","6","6","3","1") = "6"
    & skf21("2","7","4","7","6","6","4","1") = "6"
    & skf21("2","7","4","7","6","6","5","1") = "6"
    & skf21("2","7","4","7","6","6","6","1") = "6"
    & skf21("2","7","4","7","6","6","7","1") = "6"
    & skf21("2","7","4","7","6","7","1","1") = "6"
    & skf21("2","7","4","7","6","7","2","1") = "6"
    & skf21("2","7","4","7","6","7","3","1") = "6"
    & skf21("2","7","4","7","6","7","4","1") = "6"
    & skf21("2","7","4","7","6","7","5","1") = "6"
    & skf21("2","7","4","7","6","7","6","1") = "6"
    & skf21("2","7","4","7","6","7","7","1") = "6"
    & skf21("2","7","4","7","7","1","1","1") = "6"
    & skf21("2","7","4","7","7","1","2","1") = "6"
    & skf21("2","7","4","7","7","1","3","1") = "6"
    & skf21("2","7","4","7","7","1","4","1") = "6"
    & skf21("2","7","4","7","7","1","5","1") = "6"
    & skf21("2","7","4","7","7","1","6","1") = "6"
    & skf21("2","7","4","7","7","1","7","1") = "6"
    & skf21("2","7","4","7","7","2","1","1") = "6"
    & skf21("2","7","4","7","7","2","2","1") = "6"
    & skf21("2","7","4","7","7","2","3","1") = "6"
    & skf21("2","7","4","7","7","2","4","1") = "6"
    & skf21("2","7","4","7","7","2","5","1") = "6"
    & skf21("2","7","4","7","7","2","6","1") = "6"
    & skf21("2","7","4","7","7","2","7","1") = "6"
    & skf21("2","7","4","7","7","3","1","1") = "6"
    & skf21("2","7","4","7","7","3","2","1") = "6"
    & skf21("2","7","4","7","7","3","3","1") = "6"
    & skf21("2","7","4","7","7","3","4","1") = "6"
    & skf21("2","7","4","7","7","3","5","1") = "6"
    & skf21("2","7","4","7","7","3","6","1") = "6"
    & skf21("2","7","4","7","7","3","7","1") = "6"
    & skf21("2","7","4","7","7","4","1","1") = "6"
    & skf21("2","7","4","7","7","4","2","1") = "6"
    & skf21("2","7","4","7","7","4","3","1") = "6"
    & skf21("2","7","4","7","7","4","4","1") = "6"
    & skf21("2","7","4","7","7","4","5","1") = "6"
    & skf21("2","7","4","7","7","4","6","1") = "6"
    & skf21("2","7","4","7","7","4","7","1") = "6"
    & skf21("2","7","4","7","7","5","1","1") = "6"
    & skf21("2","7","4","7","7","5","2","1") = "6"
    & skf21("2","7","4","7","7","5","3","1") = "6"
    & skf21("2","7","4","7","7","5","4","1") = "6"
    & skf21("2","7","4","7","7","5","5","1") = "6"
    & skf21("2","7","4","7","7","5","6","1") = "6"
    & skf21("2","7","4","7","7","5","7","1") = "6"
    & skf21("2","7","4","7","7","6","1","1") = "6"
    & skf21("2","7","4","7","7","6","2","1") = "6"
    & skf21("2","7","4","7","7","6","3","1") = "6"
    & skf21("2","7","4","7","7","6","4","1") = "6"
    & skf21("2","7","4","7","7","6","5","1") = "6"
    & skf21("2","7","4","7","7","6","6","1") = "6"
    & skf21("2","7","4","7","7","6","7","1") = "6"
    & skf21("2","7","4","7","7","7","1","1") = "6"
    & skf21("2","7","4","7","7","7","2","1") = "6"
    & skf21("2","7","4","7","7","7","3","1") = "6"
    & skf21("2","7","4","7","7","7","4","1") = "6"
    & skf21("2","7","4","7","7","7","5","1") = "6"
    & skf21("2","7","4","7","7","7","6","1") = "6"
    & skf21("2","7","4","7","7","7","7","1") = "6"
    & skf21("2","7","5","1","1","1","1","1") = "6"
    & skf21("2","7","5","1","1","1","2","1") = "6"
    & skf21("2","7","5","1","1","1","3","1") = "6"
    & skf21("2","7","5","1","1","1","4","1") = "6"
    & skf21("2","7","5","1","1","1","5","1") = "6"
    & skf21("2","7","5","1","1","1","6","1") = "6"
    & skf21("2","7","5","1","1","1","7","1") = "6"
    & skf21("2","7","5","1","1","2","1","1") = "6"
    & skf21("2","7","5","1","1","2","2","1") = "6"
    & skf21("2","7","5","1","1","2","3","1") = "6"
    & skf21("2","7","5","1","1","2","4","1") = "6"
    & skf21("2","7","5","1","1","2","5","1") = "6"
    & skf21("2","7","5","1","1","2","6","1") = "6"
    & skf21("2","7","5","1","1","2","7","1") = "6"
    & skf21("2","7","5","1","1","3","1","1") = "6"
    & skf21("2","7","5","1","1","3","2","1") = "6"
    & skf21("2","7","5","1","1","3","3","1") = "6"
    & skf21("2","7","5","1","1","3","4","1") = "6"
    & skf21("2","7","5","1","1","3","5","1") = "6"
    & skf21("2","7","5","1","1","3","6","1") = "6"
    & skf21("2","7","5","1","1","3","7","1") = "6"
    & skf21("2","7","5","1","1","4","1","1") = "6"
    & skf21("2","7","5","1","1","4","2","1") = "6"
    & skf21("2","7","5","1","1","4","3","1") = "6"
    & skf21("2","7","5","1","1","4","4","1") = "6"
    & skf21("2","7","5","1","1","4","5","1") = "6"
    & skf21("2","7","5","1","1","4","6","1") = "6"
    & skf21("2","7","5","1","1","4","7","1") = "6"
    & skf21("2","7","5","1","1","5","1","1") = "6"
    & skf21("2","7","5","1","1","5","2","1") = "6"
    & skf21("2","7","5","1","1","5","3","1") = "6"
    & skf21("2","7","5","1","1","5","4","1") = "6"
    & skf21("2","7","5","1","1","5","5","1") = "6"
    & skf21("2","7","5","1","1","5","6","1") = "6"
    & skf21("2","7","5","1","1","5","7","1") = "6"
    & skf21("2","7","5","1","1","6","1","1") = "6"
    & skf21("2","7","5","1","1","6","2","1") = "6"
    & skf21("2","7","5","1","1","6","3","1") = "6"
    & skf21("2","7","5","1","1","6","4","1") = "6"
    & skf21("2","7","5","1","1","6","5","1") = "6"
    & skf21("2","7","5","1","1","6","6","1") = "6"
    & skf21("2","7","5","1","1","6","7","1") = "6"
    & skf21("2","7","5","1","1","7","1","1") = "6"
    & skf21("2","7","5","1","1","7","2","1") = "6"
    & skf21("2","7","5","1","1","7","3","1") = "6"
    & skf21("2","7","5","1","1","7","4","1") = "6"
    & skf21("2","7","5","1","1","7","5","1") = "6"
    & skf21("2","7","5","1","1","7","6","1") = "6"
    & skf21("2","7","5","1","1","7","7","1") = "6"
    & skf21("2","7","5","1","2","1","1","1") = "6"
    & skf21("2","7","5","1","2","1","2","1") = "6"
    & skf21("2","7","5","1","2","1","3","1") = "6"
    & skf21("2","7","5","1","2","1","4","1") = "6"
    & skf21("2","7","5","1","2","1","5","1") = "6"
    & skf21("2","7","5","1","2","1","6","1") = "6"
    & skf21("2","7","5","1","2","1","7","1") = "6"
    & skf21("2","7","5","1","2","2","1","1") = "6"
    & skf21("2","7","5","1","2","2","2","1") = "6"
    & skf21("2","7","5","1","2","2","3","1") = "6"
    & skf21("2","7","5","1","2","2","4","1") = "6"
    & skf21("2","7","5","1","2","2","5","1") = "6"
    & skf21("2","7","5","1","2","2","6","1") = "6"
    & skf21("2","7","5","1","2","2","7","1") = "6"
    & skf21("2","7","5","1","2","3","1","1") = "6"
    & skf21("2","7","5","1","2","3","2","1") = "6"
    & skf21("2","7","5","1","2","3","3","1") = "6"
    & skf21("2","7","5","1","2","3","4","1") = "6"
    & skf21("2","7","5","1","2","3","5","1") = "6"
    & skf21("2","7","5","1","2","3","6","1") = "6"
    & skf21("2","7","5","1","2","3","7","1") = "6"
    & skf21("2","7","5","1","2","4","1","1") = "6"
    & skf21("2","7","5","1","2","4","2","1") = "6"
    & skf21("2","7","5","1","2","4","3","1") = "6"
    & skf21("2","7","5","1","2","4","4","1") = "6"
    & skf21("2","7","5","1","2","4","5","1") = "6"
    & skf21("2","7","5","1","2","4","6","1") = "6"
    & skf21("2","7","5","1","2","4","7","1") = "6"
    & skf21("2","7","5","1","2","5","1","1") = "6"
    & skf21("2","7","5","1","2","5","2","1") = "6"
    & skf21("2","7","5","1","2","5","3","1") = "6"
    & skf21("2","7","5","1","2","5","4","1") = "6"
    & skf21("2","7","5","1","2","5","5","1") = "6"
    & skf21("2","7","5","1","2","5","6","1") = "6"
    & skf21("2","7","5","1","2","5","7","1") = "6"
    & skf21("2","7","5","1","2","6","1","1") = "6"
    & skf21("2","7","5","1","2","6","2","1") = "6"
    & skf21("2","7","5","1","2","6","3","1") = "6"
    & skf21("2","7","5","1","2","6","4","1") = "6"
    & skf21("2","7","5","1","2","6","5","1") = "6"
    & skf21("2","7","5","1","2","6","6","1") = "6"
    & skf21("2","7","5","1","2","6","7","1") = "6"
    & skf21("2","7","5","1","2","7","1","1") = "6"
    & skf21("2","7","5","1","2","7","2","1") = "6"
    & skf21("2","7","5","1","2","7","3","1") = "6"
    & skf21("2","7","5","1","2","7","4","1") = "6"
    & skf21("2","7","5","1","2","7","5","1") = "6"
    & skf21("2","7","5","1","2","7","6","1") = "6"
    & skf21("2","7","5","1","2","7","7","1") = "6"
    & skf21("2","7","5","1","3","1","1","1") = "6"
    & skf21("2","7","5","1","3","1","2","1") = "6"
    & skf21("2","7","5","1","3","1","3","1") = "6"
    & skf21("2","7","5","1","3","1","4","1") = "6"
    & skf21("2","7","5","1","3","1","5","1") = "6"
    & skf21("2","7","5","1","3","1","6","1") = "6"
    & skf21("2","7","5","1","3","1","7","1") = "6"
    & skf21("2","7","5","1","3","2","1","1") = "6"
    & skf21("2","7","5","1","3","2","2","1") = "6"
    & skf21("2","7","5","1","3","2","3","1") = "6"
    & skf21("2","7","5","1","3","2","4","1") = "6"
    & skf21("2","7","5","1","3","2","5","1") = "6"
    & skf21("2","7","5","1","3","2","6","1") = "6"
    & skf21("2","7","5","1","3","2","7","1") = "6"
    & skf21("2","7","5","1","3","3","1","1") = "6"
    & skf21("2","7","5","1","3","3","2","1") = "6"
    & skf21("2","7","5","1","3","3","3","1") = "6"
    & skf21("2","7","5","1","3","3","4","1") = "6"
    & skf21("2","7","5","1","3","3","5","1") = "6"
    & skf21("2","7","5","1","3","3","6","1") = "6"
    & skf21("2","7","5","1","3","3","7","1") = "6"
    & skf21("2","7","5","1","3","4","1","1") = "6"
    & skf21("2","7","5","1","3","4","2","1") = "6"
    & skf21("2","7","5","1","3","4","3","1") = "6"
    & skf21("2","7","5","1","3","4","4","1") = "6"
    & skf21("2","7","5","1","3","4","5","1") = "6"
    & skf21("2","7","5","1","3","4","6","1") = "6"
    & skf21("2","7","5","1","3","4","7","1") = "6"
    & skf21("2","7","5","1","3","5","1","1") = "6"
    & skf21("2","7","5","1","3","5","2","1") = "6"
    & skf21("2","7","5","1","3","5","3","1") = "6"
    & skf21("2","7","5","1","3","5","4","1") = "6"
    & skf21("2","7","5","1","3","5","5","1") = "6"
    & skf21("2","7","5","1","3","5","6","1") = "6"
    & skf21("2","7","5","1","3","5","7","1") = "6"
    & skf21("2","7","5","1","3","6","1","1") = "6"
    & skf21("2","7","5","1","3","6","2","1") = "6"
    & skf21("2","7","5","1","3","6","3","1") = "6"
    & skf21("2","7","5","1","3","6","4","1") = "6"
    & skf21("2","7","5","1","3","6","5","1") = "6"
    & skf21("2","7","5","1","3","6","6","1") = "6"
    & skf21("2","7","5","1","3","6","7","1") = "6"
    & skf21("2","7","5","1","3","7","1","1") = "6"
    & skf21("2","7","5","1","3","7","2","1") = "6"
    & skf21("2","7","5","1","3","7","3","1") = "6"
    & skf21("2","7","5","1","3","7","4","1") = "6"
    & skf21("2","7","5","1","3","7","5","1") = "6"
    & skf21("2","7","5","1","3","7","6","1") = "6"
    & skf21("2","7","5","1","3","7","7","1") = "6"
    & skf21("2","7","5","1","4","1","1","1") = "6"
    & skf21("2","7","5","1","4","1","2","1") = "6"
    & skf21("2","7","5","1","4","1","3","1") = "6"
    & skf21("2","7","5","1","4","1","4","1") = "6"
    & skf21("2","7","5","1","4","1","5","1") = "6"
    & skf21("2","7","5","1","4","1","6","1") = "6"
    & skf21("2","7","5","1","4","1","7","1") = "6"
    & skf21("2","7","5","1","4","2","1","1") = "6"
    & skf21("2","7","5","1","4","2","2","1") = "6"
    & skf21("2","7","5","1","4","2","3","1") = "6"
    & skf21("2","7","5","1","4","2","4","1") = "6"
    & skf21("2","7","5","1","4","2","5","1") = "6"
    & skf21("2","7","5","1","4","2","6","1") = "6"
    & skf21("2","7","5","1","4","2","7","1") = "6"
    & skf21("2","7","5","1","4","3","1","1") = "6"
    & skf21("2","7","5","1","4","3","2","1") = "6"
    & skf21("2","7","5","1","4","3","3","1") = "6"
    & skf21("2","7","5","1","4","3","4","1") = "6"
    & skf21("2","7","5","1","4","3","5","1") = "6"
    & skf21("2","7","5","1","4","3","6","1") = "6"
    & skf21("2","7","5","1","4","3","7","1") = "6"
    & skf21("2","7","5","1","4","4","1","1") = "6"
    & skf21("2","7","5","1","4","4","2","1") = "6"
    & skf21("2","7","5","1","4","4","3","1") = "6"
    & skf21("2","7","5","1","4","4","4","1") = "6"
    & skf21("2","7","5","1","4","4","5","1") = "6"
    & skf21("2","7","5","1","4","4","6","1") = "6"
    & skf21("2","7","5","1","4","4","7","1") = "6"
    & skf21("2","7","5","1","4","5","1","1") = "6"
    & skf21("2","7","5","1","4","5","2","1") = "6"
    & skf21("2","7","5","1","4","5","3","1") = "6"
    & skf21("2","7","5","1","4","5","4","1") = "6"
    & skf21("2","7","5","1","4","5","5","1") = "6"
    & skf21("2","7","5","1","4","5","6","1") = "6"
    & skf21("2","7","5","1","4","5","7","1") = "6"
    & skf21("2","7","5","1","4","6","1","1") = "6"
    & skf21("2","7","5","1","4","6","2","1") = "6"
    & skf21("2","7","5","1","4","6","3","1") = "6"
    & skf21("2","7","5","1","4","6","4","1") = "6"
    & skf21("2","7","5","1","4","6","5","1") = "6"
    & skf21("2","7","5","1","4","6","6","1") = "6"
    & skf21("2","7","5","1","4","6","7","1") = "6"
    & skf21("2","7","5","1","4","7","1","1") = "6"
    & skf21("2","7","5","1","4","7","2","1") = "6"
    & skf21("2","7","5","1","4","7","3","1") = "6"
    & skf21("2","7","5","1","4","7","4","1") = "6"
    & skf21("2","7","5","1","4","7","5","1") = "6"
    & skf21("2","7","5","1","4","7","6","1") = "6"
    & skf21("2","7","5","1","4","7","7","1") = "6"
    & skf21("2","7","5","1","5","1","1","1") = "6"
    & skf21("2","7","5","1","5","1","2","1") = "6"
    & skf21("2","7","5","1","5","1","3","1") = "6"
    & skf21("2","7","5","1","5","1","4","1") = "6"
    & skf21("2","7","5","1","5","1","5","1") = "6"
    & skf21("2","7","5","1","5","1","6","1") = "6"
    & skf21("2","7","5","1","5","1","7","1") = "6"
    & skf21("2","7","5","1","5","2","1","1") = "6"
    & skf21("2","7","5","1","5","2","2","1") = "6"
    & skf21("2","7","5","1","5","2","3","1") = "6"
    & skf21("2","7","5","1","5","2","4","1") = "6"
    & skf21("2","7","5","1","5","2","5","1") = "6"
    & skf21("2","7","5","1","5","2","6","1") = "6"
    & skf21("2","7","5","1","5","2","7","1") = "6"
    & skf21("2","7","5","1","5","3","1","1") = "6"
    & skf21("2","7","5","1","5","3","2","1") = "6"
    & skf21("2","7","5","1","5","3","3","1") = "6"
    & skf21("2","7","5","1","5","3","4","1") = "6"
    & skf21("2","7","5","1","5","3","5","1") = "6"
    & skf21("2","7","5","1","5","3","6","1") = "6"
    & skf21("2","7","5","1","5","3","7","1") = "6"
    & skf21("2","7","5","1","5","4","1","1") = "6"
    & skf21("2","7","5","1","5","4","2","1") = "6"
    & skf21("2","7","5","1","5","4","3","1") = "6"
    & skf21("2","7","5","1","5","4","4","1") = "6"
    & skf21("2","7","5","1","5","4","5","1") = "6"
    & skf21("2","7","5","1","5","4","6","1") = "6"
    & skf21("2","7","5","1","5","4","7","1") = "6"
    & skf21("2","7","5","1","5","5","1","1") = "6"
    & skf21("2","7","5","1","5","5","2","1") = "6"
    & skf21("2","7","5","1","5","5","3","1") = "6"
    & skf21("2","7","5","1","5","5","4","1") = "6"
    & skf21("2","7","5","1","5","5","5","1") = "6"
    & skf21("2","7","5","1","5","5","6","1") = "6"
    & skf21("2","7","5","1","5","5","7","1") = "6"
    & skf21("2","7","5","1","5","6","1","1") = "6"
    & skf21("2","7","5","1","5","6","2","1") = "6"
    & skf21("2","7","5","1","5","6","3","1") = "6"
    & skf21("2","7","5","1","5","6","4","1") = "6"
    & skf21("2","7","5","1","5","6","5","1") = "6"
    & skf21("2","7","5","1","5","6","6","1") = "6"
    & skf21("2","7","5","1","5","6","7","1") = "6"
    & skf21("2","7","5","1","5","7","1","1") = "6"
    & skf21("2","7","5","1","5","7","2","1") = "6"
    & skf21("2","7","5","1","5","7","3","1") = "6"
    & skf21("2","7","5","1","5","7","4","1") = "6"
    & skf21("2","7","5","1","5","7","5","1") = "6"
    & skf21("2","7","5","1","5","7","6","1") = "6"
    & skf21("2","7","5","1","5","7","7","1") = "6"
    & skf21("2","7","5","1","6","1","1","1") = "6"
    & skf21("2","7","5","1","6","1","2","1") = "6"
    & skf21("2","7","5","1","6","1","3","1") = "6"
    & skf21("2","7","5","1","6","1","4","1") = "6"
    & skf21("2","7","5","1","6","1","5","1") = "6"
    & skf21("2","7","5","1","6","1","6","1") = "6"
    & skf21("2","7","5","1","6","1","7","1") = "6"
    & skf21("2","7","5","1","6","2","1","1") = "6"
    & skf21("2","7","5","1","6","2","2","1") = "6"
    & skf21("2","7","5","1","6","2","3","1") = "6"
    & skf21("2","7","5","1","6","2","4","1") = "6"
    & skf21("2","7","5","1","6","2","5","1") = "6"
    & skf21("2","7","5","1","6","2","6","1") = "6"
    & skf21("2","7","5","1","6","2","7","1") = "6"
    & skf21("2","7","5","1","6","3","1","1") = "6"
    & skf21("2","7","5","1","6","3","2","1") = "6"
    & skf21("2","7","5","1","6","3","3","1") = "6"
    & skf21("2","7","5","1","6","3","4","1") = "6"
    & skf21("2","7","5","1","6","3","5","1") = "6"
    & skf21("2","7","5","1","6","3","6","1") = "6"
    & skf21("2","7","5","1","6","3","7","1") = "6"
    & skf21("2","7","5","1","6","4","1","1") = "6"
    & skf21("2","7","5","1","6","4","2","1") = "6"
    & skf21("2","7","5","1","6","4","3","1") = "6"
    & skf21("2","7","5","1","6","4","4","1") = "6"
    & skf21("2","7","5","1","6","4","5","1") = "6"
    & skf21("2","7","5","1","6","4","6","1") = "6"
    & skf21("2","7","5","1","6","4","7","1") = "6"
    & skf21("2","7","5","1","6","5","1","1") = "6"
    & skf21("2","7","5","1","6","5","2","1") = "6"
    & skf21("2","7","5","1","6","5","3","1") = "6"
    & skf21("2","7","5","1","6","5","4","1") = "6"
    & skf21("2","7","5","1","6","5","5","1") = "6"
    & skf21("2","7","5","1","6","5","6","1") = "6"
    & skf21("2","7","5","1","6","5","7","1") = "6"
    & skf21("2","7","5","1","6","6","1","1") = "6"
    & skf21("2","7","5","1","6","6","2","1") = "6"
    & skf21("2","7","5","1","6","6","3","1") = "6"
    & skf21("2","7","5","1","6","6","4","1") = "6"
    & skf21("2","7","5","1","6","6","5","1") = "6"
    & skf21("2","7","5","1","6","6","6","1") = "6"
    & skf21("2","7","5","1","6","6","7","1") = "6"
    & skf21("2","7","5","1","6","7","1","1") = "6"
    & skf21("2","7","5","1","6","7","2","1") = "6"
    & skf21("2","7","5","1","6","7","3","1") = "6"
    & skf21("2","7","5","1","6","7","4","1") = "6"
    & skf21("2","7","5","1","6","7","5","1") = "6"
    & skf21("2","7","5","1","6","7","6","1") = "6"
    & skf21("2","7","5","1","6","7","7","1") = "6"
    & skf21("2","7","5","1","7","1","1","1") = "6"
    & skf21("2","7","5","1","7","1","2","1") = "6"
    & skf21("2","7","5","1","7","1","3","1") = "6"
    & skf21("2","7","5","1","7","1","4","1") = "6"
    & skf21("2","7","5","1","7","1","5","1") = "6"
    & skf21("2","7","5","1","7","1","6","1") = "6"
    & skf21("2","7","5","1","7","1","7","1") = "6"
    & skf21("2","7","5","1","7","2","1","1") = "6"
    & skf21("2","7","5","1","7","2","2","1") = "6"
    & skf21("2","7","5","1","7","2","3","1") = "6"
    & skf21("2","7","5","1","7","2","4","1") = "6"
    & skf21("2","7","5","1","7","2","5","1") = "6"
    & skf21("2","7","5","1","7","2","6","1") = "6"
    & skf21("2","7","5","1","7","2","7","1") = "6"
    & skf21("2","7","5","1","7","3","1","1") = "6"
    & skf21("2","7","5","1","7","3","2","1") = "6"
    & skf21("2","7","5","1","7","3","3","1") = "6"
    & skf21("2","7","5","1","7","3","4","1") = "6"
    & skf21("2","7","5","1","7","3","5","1") = "6"
    & skf21("2","7","5","1","7","3","6","1") = "6"
    & skf21("2","7","5","1","7","3","7","1") = "6"
    & skf21("2","7","5","1","7","4","1","1") = "6"
    & skf21("2","7","5","1","7","4","2","1") = "6"
    & skf21("2","7","5","1","7","4","3","1") = "6"
    & skf21("2","7","5","1","7","4","4","1") = "6"
    & skf21("2","7","5","1","7","4","5","1") = "6"
    & skf21("2","7","5","1","7","4","6","1") = "6"
    & skf21("2","7","5","1","7","4","7","1") = "6"
    & skf21("2","7","5","1","7","5","1","1") = "6"
    & skf21("2","7","5","1","7","5","2","1") = "6"
    & skf21("2","7","5","1","7","5","3","1") = "6"
    & skf21("2","7","5","1","7","5","4","1") = "6"
    & skf21("2","7","5","1","7","5","5","1") = "6"
    & skf21("2","7","5","1","7","5","6","1") = "6"
    & skf21("2","7","5","1","7","5","7","1") = "6"
    & skf21("2","7","5","1","7","6","1","1") = "6"
    & skf21("2","7","5","1","7","6","2","1") = "6"
    & skf21("2","7","5","1","7","6","3","1") = "6"
    & skf21("2","7","5","1","7","6","4","1") = "6"
    & skf21("2","7","5","1","7","6","5","1") = "6"
    & skf21("2","7","5","1","7","6","6","1") = "6"
    & skf21("2","7","5","1","7","6","7","1") = "6"
    & skf21("2","7","5","1","7","7","1","1") = "6"
    & skf21("2","7","5","1","7","7","2","1") = "6"
    & skf21("2","7","5","1","7","7","3","1") = "6"
    & skf21("2","7","5","1","7","7","4","1") = "6"
    & skf21("2","7","5","1","7","7","5","1") = "6"
    & skf21("2","7","5","1","7","7","6","1") = "6"
    & skf21("2","7","5","1","7","7","7","1") = "6"
    & skf21("2","7","5","2","1","1","1","1") = "6"
    & skf21("2","7","5","2","1","1","2","1") = "6"
    & skf21("2","7","5","2","1","1","3","1") = "6"
    & skf21("2","7","5","2","1","1","4","1") = "6"
    & skf21("2","7","5","2","1","1","5","1") = "6"
    & skf21("2","7","5","2","1","1","6","1") = "6"
    & skf21("2","7","5","2","1","1","7","1") = "6"
    & skf21("2","7","5","2","1","2","1","1") = "6"
    & skf21("2","7","5","2","1","2","2","1") = "6"
    & skf21("2","7","5","2","1","2","3","1") = "6"
    & skf21("2","7","5","2","1","2","4","1") = "6"
    & skf21("2","7","5","2","1","2","5","1") = "6"
    & skf21("2","7","5","2","1","2","6","1") = "6"
    & skf21("2","7","5","2","1","2","7","1") = "6"
    & skf21("2","7","5","2","1","3","1","1") = "6"
    & skf21("2","7","5","2","1","3","2","1") = "6"
    & skf21("2","7","5","2","1","3","3","1") = "6"
    & skf21("2","7","5","2","1","3","4","1") = "6"
    & skf21("2","7","5","2","1","3","5","1") = "6"
    & skf21("2","7","5","2","1","3","6","1") = "6"
    & skf21("2","7","5","2","1","3","7","1") = "6"
    & skf21("2","7","5","2","1","4","1","1") = "6"
    & skf21("2","7","5","2","1","4","2","1") = "6"
    & skf21("2","7","5","2","1","4","3","1") = "6"
    & skf21("2","7","5","2","1","4","4","1") = "6"
    & skf21("2","7","5","2","1","4","5","1") = "6"
    & skf21("2","7","5","2","1","4","6","1") = "6"
    & skf21("2","7","5","2","1","4","7","1") = "6"
    & skf21("2","7","5","2","1","5","1","1") = "6"
    & skf21("2","7","5","2","1","5","2","1") = "6"
    & skf21("2","7","5","2","1","5","3","1") = "6"
    & skf21("2","7","5","2","1","5","4","1") = "6"
    & skf21("2","7","5","2","1","5","5","1") = "6"
    & skf21("2","7","5","2","1","5","6","1") = "6"
    & skf21("2","7","5","2","1","5","7","1") = "6"
    & skf21("2","7","5","2","1","6","1","1") = "6"
    & skf21("2","7","5","2","1","6","2","1") = "6"
    & skf21("2","7","5","2","1","6","3","1") = "6"
    & skf21("2","7","5","2","1","6","4","1") = "6"
    & skf21("2","7","5","2","1","6","5","1") = "6"
    & skf21("2","7","5","2","1","6","6","1") = "6"
    & skf21("2","7","5","2","1","6","7","1") = "6"
    & skf21("2","7","5","2","1","7","1","1") = "6"
    & skf21("2","7","5","2","1","7","2","1") = "6"
    & skf21("2","7","5","2","1","7","3","1") = "6"
    & skf21("2","7","5","2","1","7","4","1") = "6"
    & skf21("2","7","5","2","1","7","5","1") = "6"
    & skf21("2","7","5","2","1","7","6","1") = "6"
    & skf21("2","7","5","2","1","7","7","1") = "6"
    & skf21("2","7","5","2","2","1","1","1") = "6"
    & skf21("2","7","5","2","2","1","2","1") = "6"
    & skf21("2","7","5","2","2","1","3","1") = "6"
    & skf21("2","7","5","2","2","1","4","1") = "6"
    & skf21("2","7","5","2","2","1","5","1") = "6"
    & skf21("2","7","5","2","2","1","6","1") = "6"
    & skf21("2","7","5","2","2","1","7","1") = "6"
    & skf21("2","7","5","2","2","2","1","1") = "6"
    & skf21("2","7","5","2","2","2","2","1") = "6"
    & skf21("2","7","5","2","2","2","3","1") = "6"
    & skf21("2","7","5","2","2","2","4","1") = "6"
    & skf21("2","7","5","2","2","2","5","1") = "6"
    & skf21("2","7","5","2","2","2","6","1") = "6"
    & skf21("2","7","5","2","2","2","7","1") = "6"
    & skf21("2","7","5","2","2","3","1","1") = "6"
    & skf21("2","7","5","2","2","3","2","1") = "6"
    & skf21("2","7","5","2","2","3","3","1") = "6"
    & skf21("2","7","5","2","2","3","4","1") = "6"
    & skf21("2","7","5","2","2","3","5","1") = "6"
    & skf21("2","7","5","2","2","3","6","1") = "6"
    & skf21("2","7","5","2","2","3","7","1") = "6"
    & skf21("2","7","5","2","2","4","1","1") = "6"
    & skf21("2","7","5","2","2","4","2","1") = "6"
    & skf21("2","7","5","2","2","4","3","1") = "6"
    & skf21("2","7","5","2","2","4","4","1") = "6"
    & skf21("2","7","5","2","2","4","5","1") = "6"
    & skf21("2","7","5","2","2","4","6","1") = "6"
    & skf21("2","7","5","2","2","4","7","1") = "6"
    & skf21("2","7","5","2","2","5","1","1") = "6"
    & skf21("2","7","5","2","2","5","2","1") = "6"
    & skf21("2","7","5","2","2","5","3","1") = "6"
    & skf21("2","7","5","2","2","5","4","1") = "6"
    & skf21("2","7","5","2","2","5","5","1") = "6"
    & skf21("2","7","5","2","2","5","6","1") = "6"
    & skf21("2","7","5","2","2","5","7","1") = "6"
    & skf21("2","7","5","2","2","6","1","1") = "6"
    & skf21("2","7","5","2","2","6","2","1") = "6"
    & skf21("2","7","5","2","2","6","3","1") = "6"
    & skf21("2","7","5","2","2","6","4","1") = "6"
    & skf21("2","7","5","2","2","6","5","1") = "6"
    & skf21("2","7","5","2","2","6","6","1") = "6"
    & skf21("2","7","5","2","2","6","7","1") = "6"
    & skf21("2","7","5","2","2","7","1","1") = "6"
    & skf21("2","7","5","2","2","7","2","1") = "6"
    & skf21("2","7","5","2","2","7","3","1") = "6"
    & skf21("2","7","5","2","2","7","4","1") = "6"
    & skf21("2","7","5","2","2","7","5","1") = "6"
    & skf21("2","7","5","2","2","7","6","1") = "6"
    & skf21("2","7","5","2","2","7","7","1") = "6"
    & skf21("2","7","5","2","3","1","1","1") = "6"
    & skf21("2","7","5","2","3","1","2","1") = "6"
    & skf21("2","7","5","2","3","1","3","1") = "6"
    & skf21("2","7","5","2","3","1","4","1") = "6"
    & skf21("2","7","5","2","3","1","5","1") = "6"
    & skf21("2","7","5","2","3","1","6","1") = "6"
    & skf21("2","7","5","2","3","1","7","1") = "6"
    & skf21("2","7","5","2","3","2","1","1") = "6"
    & skf21("2","7","5","2","3","2","2","1") = "6"
    & skf21("2","7","5","2","3","2","3","1") = "6"
    & skf21("2","7","5","2","3","2","4","1") = "6"
    & skf21("2","7","5","2","3","2","5","1") = "6"
    & skf21("2","7","5","2","3","2","6","1") = "6"
    & skf21("2","7","5","2","3","2","7","1") = "6"
    & skf21("2","7","5","2","3","3","1","1") = "6"
    & skf21("2","7","5","2","3","3","2","1") = "6"
    & skf21("2","7","5","2","3","3","3","1") = "6"
    & skf21("2","7","5","2","3","3","4","1") = "6"
    & skf21("2","7","5","2","3","3","5","1") = "6"
    & skf21("2","7","5","2","3","3","6","1") = "6"
    & skf21("2","7","5","2","3","3","7","1") = "6"
    & skf21("2","7","5","2","3","4","1","1") = "6"
    & skf21("2","7","5","2","3","4","2","1") = "6"
    & skf21("2","7","5","2","3","4","3","1") = "6"
    & skf21("2","7","5","2","3","4","4","1") = "6"
    & skf21("2","7","5","2","3","4","5","1") = "6"
    & skf21("2","7","5","2","3","4","6","1") = "6"
    & skf21("2","7","5","2","3","4","7","1") = "6"
    & skf21("2","7","5","2","3","5","1","1") = "6"
    & skf21("2","7","5","2","3","5","2","1") = "6"
    & skf21("2","7","5","2","3","5","3","1") = "6"
    & skf21("2","7","5","2","3","5","4","1") = "6"
    & skf21("2","7","5","2","3","5","5","1") = "6"
    & skf21("2","7","5","2","3","5","6","1") = "6"
    & skf21("2","7","5","2","3","5","7","1") = "6"
    & skf21("2","7","5","2","3","6","1","1") = "6"
    & skf21("2","7","5","2","3","6","2","1") = "6"
    & skf21("2","7","5","2","3","6","3","1") = "6"
    & skf21("2","7","5","2","3","6","4","1") = "6"
    & skf21("2","7","5","2","3","6","5","1") = "6"
    & skf21("2","7","5","2","3","6","6","1") = "6"
    & skf21("2","7","5","2","3","6","7","1") = "6"
    & skf21("2","7","5","2","3","7","1","1") = "6"
    & skf21("2","7","5","2","3","7","2","1") = "6"
    & skf21("2","7","5","2","3","7","3","1") = "6"
    & skf21("2","7","5","2","3","7","4","1") = "6"
    & skf21("2","7","5","2","3","7","5","1") = "6"
    & skf21("2","7","5","2","3","7","6","1") = "6"
    & skf21("2","7","5","2","3","7","7","1") = "6"
    & skf21("2","7","5","2","4","1","1","1") = "6"
    & skf21("2","7","5","2","4","1","2","1") = "6"
    & skf21("2","7","5","2","4","1","3","1") = "6"
    & skf21("2","7","5","2","4","1","4","1") = "6"
    & skf21("2","7","5","2","4","1","5","1") = "6"
    & skf21("2","7","5","2","4","1","6","1") = "6"
    & skf21("2","7","5","2","4","1","7","1") = "6"
    & skf21("2","7","5","2","4","2","1","1") = "6"
    & skf21("2","7","5","2","4","2","2","1") = "6"
    & skf21("2","7","5","2","4","2","3","1") = "6"
    & skf21("2","7","5","2","4","2","4","1") = "6"
    & skf21("2","7","5","2","4","2","5","1") = "6"
    & skf21("2","7","5","2","4","2","6","1") = "6"
    & skf21("2","7","5","2","4","2","7","1") = "6"
    & skf21("2","7","5","2","4","3","1","1") = "6"
    & skf21("2","7","5","2","4","3","2","1") = "6"
    & skf21("2","7","5","2","4","3","3","1") = "6"
    & skf21("2","7","5","2","4","3","4","1") = "6"
    & skf21("2","7","5","2","4","3","5","1") = "6"
    & skf21("2","7","5","2","4","3","6","1") = "6"
    & skf21("2","7","5","2","4","3","7","1") = "6"
    & skf21("2","7","5","2","4","4","1","1") = "6"
    & skf21("2","7","5","2","4","4","2","1") = "6"
    & skf21("2","7","5","2","4","4","3","1") = "6"
    & skf21("2","7","5","2","4","4","4","1") = "6"
    & skf21("2","7","5","2","4","4","5","1") = "6"
    & skf21("2","7","5","2","4","4","6","1") = "6"
    & skf21("2","7","5","2","4","4","7","1") = "6"
    & skf21("2","7","5","2","4","5","1","1") = "6"
    & skf21("2","7","5","2","4","5","2","1") = "6"
    & skf21("2","7","5","2","4","5","3","1") = "6"
    & skf21("2","7","5","2","4","5","4","1") = "6"
    & skf21("2","7","5","2","4","5","5","1") = "6"
    & skf21("2","7","5","2","4","5","6","1") = "6"
    & skf21("2","7","5","2","4","5","7","1") = "6"
    & skf21("2","7","5","2","4","6","1","1") = "6"
    & skf21("2","7","5","2","4","6","2","1") = "6"
    & skf21("2","7","5","2","4","6","3","1") = "6"
    & skf21("2","7","5","2","4","6","4","1") = "6"
    & skf21("2","7","5","2","4","6","5","1") = "6"
    & skf21("2","7","5","2","4","6","6","1") = "6"
    & skf21("2","7","5","2","4","6","7","1") = "6"
    & skf21("2","7","5","2","4","7","1","1") = "6"
    & skf21("2","7","5","2","4","7","2","1") = "6"
    & skf21("2","7","5","2","4","7","3","1") = "6"
    & skf21("2","7","5","2","4","7","4","1") = "6"
    & skf21("2","7","5","2","4","7","5","1") = "6"
    & skf21("2","7","5","2","4","7","6","1") = "6"
    & skf21("2","7","5","2","4","7","7","1") = "6"
    & skf21("2","7","5","2","5","1","1","1") = "6"
    & skf21("2","7","5","2","5","1","2","1") = "6"
    & skf21("2","7","5","2","5","1","3","1") = "6"
    & skf21("2","7","5","2","5","1","4","1") = "6"
    & skf21("2","7","5","2","5","1","5","1") = "6"
    & skf21("2","7","5","2","5","1","6","1") = "6"
    & skf21("2","7","5","2","5","1","7","1") = "6"
    & skf21("2","7","5","2","5","2","1","1") = "6"
    & skf21("2","7","5","2","5","2","2","1") = "6"
    & skf21("2","7","5","2","5","2","3","1") = "6"
    & skf21("2","7","5","2","5","2","4","1") = "6"
    & skf21("2","7","5","2","5","2","5","1") = "6"
    & skf21("2","7","5","2","5","2","6","1") = "6"
    & skf21("2","7","5","2","5","2","7","1") = "6"
    & skf21("2","7","5","2","5","3","1","1") = "6"
    & skf21("2","7","5","2","5","3","2","1") = "6"
    & skf21("2","7","5","2","5","3","3","1") = "6"
    & skf21("2","7","5","2","5","3","4","1") = "6"
    & skf21("2","7","5","2","5","3","5","1") = "6"
    & skf21("2","7","5","2","5","3","6","1") = "6"
    & skf21("2","7","5","2","5","3","7","1") = "6"
    & skf21("2","7","5","2","5","4","1","1") = "6"
    & skf21("2","7","5","2","5","4","2","1") = "6"
    & skf21("2","7","5","2","5","4","3","1") = "6"
    & skf21("2","7","5","2","5","4","4","1") = "6"
    & skf21("2","7","5","2","5","4","5","1") = "6"
    & skf21("2","7","5","2","5","4","6","1") = "6"
    & skf21("2","7","5","2","5","4","7","1") = "6"
    & skf21("2","7","5","2","5","5","1","1") = "6"
    & skf21("2","7","5","2","5","5","2","1") = "6"
    & skf21("2","7","5","2","5","5","3","1") = "6"
    & skf21("2","7","5","2","5","5","4","1") = "6"
    & skf21("2","7","5","2","5","5","5","1") = "6"
    & skf21("2","7","5","2","5","5","6","1") = "6"
    & skf21("2","7","5","2","5","5","7","1") = "6"
    & skf21("2","7","5","2","5","6","1","1") = "6"
    & skf21("2","7","5","2","5","6","2","1") = "6"
    & skf21("2","7","5","2","5","6","3","1") = "6"
    & skf21("2","7","5","2","5","6","4","1") = "6"
    & skf21("2","7","5","2","5","6","5","1") = "6"
    & skf21("2","7","5","2","5","6","6","1") = "6"
    & skf21("2","7","5","2","5","6","7","1") = "6"
    & skf21("2","7","5","2","5","7","1","1") = "6"
    & skf21("2","7","5","2","5","7","2","1") = "6"
    & skf21("2","7","5","2","5","7","3","1") = "6"
    & skf21("2","7","5","2","5","7","4","1") = "6"
    & skf21("2","7","5","2","5","7","5","1") = "6"
    & skf21("2","7","5","2","5","7","6","1") = "6"
    & skf21("2","7","5","2","5","7","7","1") = "6"
    & skf21("2","7","5","2","6","1","1","1") = "6"
    & skf21("2","7","5","2","6","1","2","1") = "6"
    & skf21("2","7","5","2","6","1","3","1") = "6"
    & skf21("2","7","5","2","6","1","4","1") = "6"
    & skf21("2","7","5","2","6","1","5","1") = "6"
    & skf21("2","7","5","2","6","1","6","1") = "6"
    & skf21("2","7","5","2","6","1","7","1") = "6"
    & skf21("2","7","5","2","6","2","1","1") = "6"
    & skf21("2","7","5","2","6","2","2","1") = "6"
    & skf21("2","7","5","2","6","2","3","1") = "6"
    & skf21("2","7","5","2","6","2","4","1") = "6"
    & skf21("2","7","5","2","6","2","5","1") = "6"
    & skf21("2","7","5","2","6","2","6","1") = "6"
    & skf21("2","7","5","2","6","2","7","1") = "6"
    & skf21("2","7","5","2","6","3","1","1") = "6"
    & skf21("2","7","5","2","6","3","2","1") = "6"
    & skf21("2","7","5","2","6","3","3","1") = "6"
    & skf21("2","7","5","2","6","3","4","1") = "6"
    & skf21("2","7","5","2","6","3","5","1") = "6"
    & skf21("2","7","5","2","6","3","6","1") = "6"
    & skf21("2","7","5","2","6","3","7","1") = "6"
    & skf21("2","7","5","2","6","4","1","1") = "6"
    & skf21("2","7","5","2","6","4","2","1") = "6"
    & skf21("2","7","5","2","6","4","3","1") = "6"
    & skf21("2","7","5","2","6","4","4","1") = "6"
    & skf21("2","7","5","2","6","4","5","1") = "6"
    & skf21("2","7","5","2","6","4","6","1") = "6"
    & skf21("2","7","5","2","6","4","7","1") = "6"
    & skf21("2","7","5","2","6","5","1","1") = "6"
    & skf21("2","7","5","2","6","5","2","1") = "6"
    & skf21("2","7","5","2","6","5","3","1") = "6"
    & skf21("2","7","5","2","6","5","4","1") = "6"
    & skf21("2","7","5","2","6","5","5","1") = "6"
    & skf21("2","7","5","2","6","5","6","1") = "6"
    & skf21("2","7","5","2","6","5","7","1") = "6"
    & skf21("2","7","5","2","6","6","1","1") = "6"
    & skf21("2","7","5","2","6","6","2","1") = "6"
    & skf21("2","7","5","2","6","6","3","1") = "6"
    & skf21("2","7","5","2","6","6","4","1") = "6"
    & skf21("2","7","5","2","6","6","5","1") = "6"
    & skf21("2","7","5","2","6","6","6","1") = "6"
    & skf21("2","7","5","2","6","6","7","1") = "6"
    & skf21("2","7","5","2","6","7","1","1") = "6"
    & skf21("2","7","5","2","6","7","2","1") = "6"
    & skf21("2","7","5","2","6","7","3","1") = "6"
    & skf21("2","7","5","2","6","7","4","1") = "6"
    & skf21("2","7","5","2","6","7","5","1") = "6"
    & skf21("2","7","5","2","6","7","6","1") = "6"
    & skf21("2","7","5","2","6","7","7","1") = "6"
    & skf21("2","7","5","2","7","1","1","1") = "6"
    & skf21("2","7","5","2","7","1","2","1") = "6"
    & skf21("2","7","5","2","7","1","3","1") = "6"
    & skf21("2","7","5","2","7","1","4","1") = "6"
    & skf21("2","7","5","2","7","1","5","1") = "6"
    & skf21("2","7","5","2","7","1","6","1") = "6"
    & skf21("2","7","5","2","7","1","7","1") = "6"
    & skf21("2","7","5","2","7","2","1","1") = "6"
    & skf21("2","7","5","2","7","2","2","1") = "6"
    & skf21("2","7","5","2","7","2","3","1") = "6"
    & skf21("2","7","5","2","7","2","4","1") = "6"
    & skf21("2","7","5","2","7","2","5","1") = "6"
    & skf21("2","7","5","2","7","2","6","1") = "6"
    & skf21("2","7","5","2","7","2","7","1") = "6"
    & skf21("2","7","5","2","7","3","1","1") = "6"
    & skf21("2","7","5","2","7","3","2","1") = "6"
    & skf21("2","7","5","2","7","3","3","1") = "6"
    & skf21("2","7","5","2","7","3","4","1") = "6"
    & skf21("2","7","5","2","7","3","5","1") = "6"
    & skf21("2","7","5","2","7","3","6","1") = "6"
    & skf21("2","7","5","2","7","3","7","1") = "6"
    & skf21("2","7","5","2","7","4","1","1") = "6"
    & skf21("2","7","5","2","7","4","2","1") = "6"
    & skf21("2","7","5","2","7","4","3","1") = "6"
    & skf21("2","7","5","2","7","4","4","1") = "6"
    & skf21("2","7","5","2","7","4","5","1") = "6"
    & skf21("2","7","5","2","7","4","6","1") = "6"
    & skf21("2","7","5","2","7","4","7","1") = "6"
    & skf21("2","7","5","2","7","5","1","1") = "6"
    & skf21("2","7","5","2","7","5","2","1") = "6"
    & skf21("2","7","5","2","7","5","3","1") = "6"
    & skf21("2","7","5","2","7","5","4","1") = "6"
    & skf21("2","7","5","2","7","5","5","1") = "6"
    & skf21("2","7","5","2","7","5","6","1") = "6"
    & skf21("2","7","5","2","7","5","7","1") = "6"
    & skf21("2","7","5","2","7","6","1","1") = "6"
    & skf21("2","7","5","2","7","6","2","1") = "6"
    & skf21("2","7","5","2","7","6","3","1") = "6"
    & skf21("2","7","5","2","7","6","4","1") = "6"
    & skf21("2","7","5","2","7","6","5","1") = "6"
    & skf21("2","7","5","2","7","6","6","1") = "6"
    & skf21("2","7","5","2","7","6","7","1") = "6"
    & skf21("2","7","5","2","7","7","1","1") = "6"
    & skf21("2","7","5","2","7","7","2","1") = "6"
    & skf21("2","7","5","2","7","7","3","1") = "6"
    & skf21("2","7","5","2","7","7","4","1") = "6"
    & skf21("2","7","5","2","7","7","5","1") = "6"
    & skf21("2","7","5","2","7","7","6","1") = "6"
    & skf21("2","7","5","2","7","7","7","1") = "6"
    & skf21("2","7","5","3","1","1","1","1") = "6"
    & skf21("2","7","5","3","1","1","2","1") = "6"
    & skf21("2","7","5","3","1","1","3","1") = "6"
    & skf21("2","7","5","3","1","1","4","1") = "6"
    & skf21("2","7","5","3","1","1","5","1") = "6"
    & skf21("2","7","5","3","1","1","6","1") = "6"
    & skf21("2","7","5","3","1","1","7","1") = "6"
    & skf21("2","7","5","3","1","2","1","1") = "6"
    & skf21("2","7","5","3","1","2","2","1") = "6"
    & skf21("2","7","5","3","1","2","3","1") = "6"
    & skf21("2","7","5","3","1","2","4","1") = "6"
    & skf21("2","7","5","3","1","2","5","1") = "6"
    & skf21("2","7","5","3","1","2","6","1") = "6"
    & skf21("2","7","5","3","1","2","7","1") = "6"
    & skf21("2","7","5","3","1","3","1","1") = "6"
    & skf21("2","7","5","3","1","3","2","1") = "6"
    & skf21("2","7","5","3","1","3","3","1") = "6"
    & skf21("2","7","5","3","1","3","4","1") = "6"
    & skf21("2","7","5","3","1","3","5","1") = "6"
    & skf21("2","7","5","3","1","3","6","1") = "6"
    & skf21("2","7","5","3","1","3","7","1") = "6"
    & skf21("2","7","5","3","1","4","1","1") = "6"
    & skf21("2","7","5","3","1","4","2","1") = "6"
    & skf21("2","7","5","3","1","4","3","1") = "6"
    & skf21("2","7","5","3","1","4","4","1") = "6"
    & skf21("2","7","5","3","1","4","5","1") = "6"
    & skf21("2","7","5","3","1","4","6","1") = "6"
    & skf21("2","7","5","3","1","4","7","1") = "6"
    & skf21("2","7","5","3","1","5","1","1") = "6"
    & skf21("2","7","5","3","1","5","2","1") = "6"
    & skf21("2","7","5","3","1","5","3","1") = "6"
    & skf21("2","7","5","3","1","5","4","1") = "6"
    & skf21("2","7","5","3","1","5","5","1") = "6"
    & skf21("2","7","5","3","1","5","6","1") = "6"
    & skf21("2","7","5","3","1","5","7","1") = "6"
    & skf21("2","7","5","3","1","6","1","1") = "6"
    & skf21("2","7","5","3","1","6","2","1") = "6"
    & skf21("2","7","5","3","1","6","3","1") = "6"
    & skf21("2","7","5","3","1","6","4","1") = "6"
    & skf21("2","7","5","3","1","6","5","1") = "6"
    & skf21("2","7","5","3","1","6","6","1") = "6"
    & skf21("2","7","5","3","1","6","7","1") = "6"
    & skf21("2","7","5","3","1","7","1","1") = "6"
    & skf21("2","7","5","3","1","7","2","1") = "6"
    & skf21("2","7","5","3","1","7","3","1") = "6"
    & skf21("2","7","5","3","1","7","4","1") = "6"
    & skf21("2","7","5","3","1","7","5","1") = "6"
    & skf21("2","7","5","3","1","7","6","1") = "6"
    & skf21("2","7","5","3","1","7","7","1") = "6"
    & skf21("2","7","5","3","2","1","1","1") = "6"
    & skf21("2","7","5","3","2","1","2","1") = "6"
    & skf21("2","7","5","3","2","1","3","1") = "6"
    & skf21("2","7","5","3","2","1","4","1") = "6"
    & skf21("2","7","5","3","2","1","5","1") = "6"
    & skf21("2","7","5","3","2","1","6","1") = "6"
    & skf21("2","7","5","3","2","1","7","1") = "6"
    & skf21("2","7","5","3","2","2","1","1") = "6"
    & skf21("2","7","5","3","2","2","2","1") = "6"
    & skf21("2","7","5","3","2","2","3","1") = "6"
    & skf21("2","7","5","3","2","2","4","1") = "6"
    & skf21("2","7","5","3","2","2","5","1") = "6"
    & skf21("2","7","5","3","2","2","6","1") = "6"
    & skf21("2","7","5","3","2","2","7","1") = "6"
    & skf21("2","7","5","3","2","3","1","1") = "6"
    & skf21("2","7","5","3","2","3","2","1") = "6"
    & skf21("2","7","5","3","2","3","3","1") = "6"
    & skf21("2","7","5","3","2","3","4","1") = "6"
    & skf21("2","7","5","3","2","3","5","1") = "6"
    & skf21("2","7","5","3","2","3","6","1") = "6"
    & skf21("2","7","5","3","2","3","7","1") = "6"
    & skf21("2","7","5","3","2","4","1","1") = "6"
    & skf21("2","7","5","3","2","4","2","1") = "6"
    & skf21("2","7","5","3","2","4","3","1") = "6"
    & skf21("2","7","5","3","2","4","4","1") = "6"
    & skf21("2","7","5","3","2","4","5","1") = "6"
    & skf21("2","7","5","3","2","4","6","1") = "6"
    & skf21("2","7","5","3","2","4","7","1") = "6"
    & skf21("2","7","5","3","2","5","1","1") = "6"
    & skf21("2","7","5","3","2","5","2","1") = "6"
    & skf21("2","7","5","3","2","5","3","1") = "6"
    & skf21("2","7","5","3","2","5","4","1") = "6"
    & skf21("2","7","5","3","2","5","5","1") = "6"
    & skf21("2","7","5","3","2","5","6","1") = "6"
    & skf21("2","7","5","3","2","5","7","1") = "6"
    & skf21("2","7","5","3","2","6","1","1") = "6"
    & skf21("2","7","5","3","2","6","2","1") = "6"
    & skf21("2","7","5","3","2","6","3","1") = "6"
    & skf21("2","7","5","3","2","6","4","1") = "6"
    & skf21("2","7","5","3","2","6","5","1") = "6"
    & skf21("2","7","5","3","2","6","6","1") = "6"
    & skf21("2","7","5","3","2","6","7","1") = "6"
    & skf21("2","7","5","3","2","7","1","1") = "6"
    & skf21("2","7","5","3","2","7","2","1") = "6"
    & skf21("2","7","5","3","2","7","3","1") = "6"
    & skf21("2","7","5","3","2","7","4","1") = "6"
    & skf21("2","7","5","3","2","7","5","1") = "6"
    & skf21("2","7","5","3","2","7","6","1") = "6"
    & skf21("2","7","5","3","2","7","7","1") = "6"
    & skf21("2","7","5","3","3","1","1","1") = "6"
    & skf21("2","7","5","3","3","1","2","1") = "6"
    & skf21("2","7","5","3","3","1","3","1") = "6"
    & skf21("2","7","5","3","3","1","4","1") = "6"
    & skf21("2","7","5","3","3","1","5","1") = "6"
    & skf21("2","7","5","3","3","1","6","1") = "6"
    & skf21("2","7","5","3","3","1","7","1") = "6"
    & skf21("2","7","5","3","3","2","1","1") = "6"
    & skf21("2","7","5","3","3","2","2","1") = "6"
    & skf21("2","7","5","3","3","2","3","1") = "6"
    & skf21("2","7","5","3","3","2","4","1") = "6"
    & skf21("2","7","5","3","3","2","5","1") = "6"
    & skf21("2","7","5","3","3","2","6","1") = "6"
    & skf21("2","7","5","3","3","2","7","1") = "6"
    & skf21("2","7","5","3","3","3","1","1") = "6"
    & skf21("2","7","5","3","3","3","2","1") = "6"
    & skf21("2","7","5","3","3","3","3","1") = "6"
    & skf21("2","7","5","3","3","3","4","1") = "6"
    & skf21("2","7","5","3","3","3","5","1") = "6"
    & skf21("2","7","5","3","3","3","6","1") = "6"
    & skf21("2","7","5","3","3","3","7","1") = "6"
    & skf21("2","7","5","3","3","4","1","1") = "6"
    & skf21("2","7","5","3","3","4","2","1") = "6"
    & skf21("2","7","5","3","3","4","3","1") = "6"
    & skf21("2","7","5","3","3","4","4","1") = "6"
    & skf21("2","7","5","3","3","4","5","1") = "6"
    & skf21("2","7","5","3","3","4","6","1") = "6"
    & skf21("2","7","5","3","3","4","7","1") = "6"
    & skf21("2","7","5","3","3","5","1","1") = "6"
    & skf21("2","7","5","3","3","5","2","1") = "6"
    & skf21("2","7","5","3","3","5","3","1") = "6"
    & skf21("2","7","5","3","3","5","4","1") = "6"
    & skf21("2","7","5","3","3","5","5","1") = "6"
    & skf21("2","7","5","3","3","5","6","1") = "6"
    & skf21("2","7","5","3","3","5","7","1") = "6"
    & skf21("2","7","5","3","3","6","1","1") = "6"
    & skf21("2","7","5","3","3","6","2","1") = "6"
    & skf21("2","7","5","3","3","6","3","1") = "6"
    & skf21("2","7","5","3","3","6","4","1") = "6"
    & skf21("2","7","5","3","3","6","5","1") = "6"
    & skf21("2","7","5","3","3","6","6","1") = "6"
    & skf21("2","7","5","3","3","6","7","1") = "6"
    & skf21("2","7","5","3","3","7","1","1") = "6"
    & skf21("2","7","5","3","3","7","2","1") = "6"
    & skf21("2","7","5","3","3","7","3","1") = "6"
    & skf21("2","7","5","3","3","7","4","1") = "6"
    & skf21("2","7","5","3","3","7","5","1") = "6"
    & skf21("2","7","5","3","3","7","6","1") = "6"
    & skf21("2","7","5","3","3","7","7","1") = "6"
    & skf21("2","7","5","3","4","1","1","1") = "6"
    & skf21("2","7","5","3","4","1","2","1") = "6"
    & skf21("2","7","5","3","4","1","3","1") = "6"
    & skf21("2","7","5","3","4","1","4","1") = "6"
    & skf21("2","7","5","3","4","1","5","1") = "6"
    & skf21("2","7","5","3","4","1","6","1") = "6"
    & skf21("2","7","5","3","4","1","7","1") = "6"
    & skf21("2","7","5","3","4","2","1","1") = "6"
    & skf21("2","7","5","3","4","2","2","1") = "6"
    & skf21("2","7","5","3","4","2","3","1") = "6"
    & skf21("2","7","5","3","4","2","4","1") = "6"
    & skf21("2","7","5","3","4","2","5","1") = "6"
    & skf21("2","7","5","3","4","2","6","1") = "6"
    & skf21("2","7","5","3","4","2","7","1") = "6"
    & skf21("2","7","5","3","4","3","1","1") = "6"
    & skf21("2","7","5","3","4","3","2","1") = "6"
    & skf21("2","7","5","3","4","3","3","1") = "6"
    & skf21("2","7","5","3","4","3","4","1") = "6"
    & skf21("2","7","5","3","4","3","5","1") = "6"
    & skf21("2","7","5","3","4","3","6","1") = "6"
    & skf21("2","7","5","3","4","3","7","1") = "6"
    & skf21("2","7","5","3","4","4","1","1") = "6"
    & skf21("2","7","5","3","4","4","2","1") = "6"
    & skf21("2","7","5","3","4","4","3","1") = "6"
    & skf21("2","7","5","3","4","4","4","1") = "6"
    & skf21("2","7","5","3","4","4","5","1") = "6"
    & skf21("2","7","5","3","4","4","6","1") = "6"
    & skf21("2","7","5","3","4","4","7","1") = "6"
    & skf21("2","7","5","3","4","5","1","1") = "6"
    & skf21("2","7","5","3","4","5","2","1") = "6"
    & skf21("2","7","5","3","4","5","3","1") = "6"
    & skf21("2","7","5","3","4","5","4","1") = "6"
    & skf21("2","7","5","3","4","5","5","1") = "6"
    & skf21("2","7","5","3","4","5","6","1") = "6"
    & skf21("2","7","5","3","4","5","7","1") = "6"
    & skf21("2","7","5","3","4","6","1","1") = "6"
    & skf21("2","7","5","3","4","6","2","1") = "6"
    & skf21("2","7","5","3","4","6","3","1") = "6"
    & skf21("2","7","5","3","4","6","4","1") = "6"
    & skf21("2","7","5","3","4","6","5","1") = "6"
    & skf21("2","7","5","3","4","6","6","1") = "6"
    & skf21("2","7","5","3","4","6","7","1") = "6"
    & skf21("2","7","5","3","4","7","1","1") = "6"
    & skf21("2","7","5","3","4","7","2","1") = "6"
    & skf21("2","7","5","3","4","7","3","1") = "6"
    & skf21("2","7","5","3","4","7","4","1") = "6"
    & skf21("2","7","5","3","4","7","5","1") = "6"
    & skf21("2","7","5","3","4","7","6","1") = "6"
    & skf21("2","7","5","3","4","7","7","1") = "6"
    & skf21("2","7","5","3","5","1","1","1") = "6"
    & skf21("2","7","5","3","5","1","2","1") = "6"
    & skf21("2","7","5","3","5","1","3","1") = "6"
    & skf21("2","7","5","3","5","1","4","1") = "6"
    & skf21("2","7","5","3","5","1","5","1") = "6"
    & skf21("2","7","5","3","5","1","6","1") = "6"
    & skf21("2","7","5","3","5","1","7","1") = "6"
    & skf21("2","7","5","3","5","2","1","1") = "6"
    & skf21("2","7","5","3","5","2","2","1") = "6"
    & skf21("2","7","5","3","5","2","3","1") = "6"
    & skf21("2","7","5","3","5","2","4","1") = "6"
    & skf21("2","7","5","3","5","2","5","1") = "6"
    & skf21("2","7","5","3","5","2","6","1") = "6"
    & skf21("2","7","5","3","5","2","7","1") = "6"
    & skf21("2","7","5","3","5","3","1","1") = "6"
    & skf21("2","7","5","3","5","3","2","1") = "6"
    & skf21("2","7","5","3","5","3","3","1") = "6"
    & skf21("2","7","5","3","5","3","4","1") = "6"
    & skf21("2","7","5","3","5","3","5","1") = "6"
    & skf21("2","7","5","3","5","3","6","1") = "6"
    & skf21("2","7","5","3","5","3","7","1") = "6"
    & skf21("2","7","5","3","5","4","1","1") = "6"
    & skf21("2","7","5","3","5","4","2","1") = "6"
    & skf21("2","7","5","3","5","4","3","1") = "6"
    & skf21("2","7","5","3","5","4","4","1") = "6"
    & skf21("2","7","5","3","5","4","5","1") = "6"
    & skf21("2","7","5","3","5","4","6","1") = "6"
    & skf21("2","7","5","3","5","4","7","1") = "6"
    & skf21("2","7","5","3","5","5","1","1") = "6"
    & skf21("2","7","5","3","5","5","2","1") = "6"
    & skf21("2","7","5","3","5","5","3","1") = "6"
    & skf21("2","7","5","3","5","5","4","1") = "6"
    & skf21("2","7","5","3","5","5","5","1") = "6"
    & skf21("2","7","5","3","5","5","6","1") = "6"
    & skf21("2","7","5","3","5","5","7","1") = "6"
    & skf21("2","7","5","3","5","6","1","1") = "6"
    & skf21("2","7","5","3","5","6","2","1") = "6"
    & skf21("2","7","5","3","5","6","3","1") = "6"
    & skf21("2","7","5","3","5","6","4","1") = "6"
    & skf21("2","7","5","3","5","6","5","1") = "6"
    & skf21("2","7","5","3","5","6","6","1") = "6"
    & skf21("2","7","5","3","5","6","7","1") = "6"
    & skf21("2","7","5","3","5","7","1","1") = "6"
    & skf21("2","7","5","3","5","7","2","1") = "6"
    & skf21("2","7","5","3","5","7","3","1") = "6"
    & skf21("2","7","5","3","5","7","4","1") = "6"
    & skf21("2","7","5","3","5","7","5","1") = "6"
    & skf21("2","7","5","3","5","7","6","1") = "6"
    & skf21("2","7","5","3","5","7","7","1") = "6"
    & skf21("2","7","5","3","6","1","1","1") = "6"
    & skf21("2","7","5","3","6","1","2","1") = "6"
    & skf21("2","7","5","3","6","1","3","1") = "6"
    & skf21("2","7","5","3","6","1","4","1") = "6"
    & skf21("2","7","5","3","6","1","5","1") = "6"
    & skf21("2","7","5","3","6","1","6","1") = "6"
    & skf21("2","7","5","3","6","1","7","1") = "6"
    & skf21("2","7","5","3","6","2","1","1") = "6"
    & skf21("2","7","5","3","6","2","2","1") = "6"
    & skf21("2","7","5","3","6","2","3","1") = "6"
    & skf21("2","7","5","3","6","2","4","1") = "6"
    & skf21("2","7","5","3","6","2","5","1") = "6"
    & skf21("2","7","5","3","6","2","6","1") = "6"
    & skf21("2","7","5","3","6","2","7","1") = "6"
    & skf21("2","7","5","3","6","3","1","1") = "6"
    & skf21("2","7","5","3","6","3","2","1") = "6"
    & skf21("2","7","5","3","6","3","3","1") = "6"
    & skf21("2","7","5","3","6","3","4","1") = "6"
    & skf21("2","7","5","3","6","3","5","1") = "6"
    & skf21("2","7","5","3","6","3","6","1") = "6"
    & skf21("2","7","5","3","6","3","7","1") = "6"
    & skf21("2","7","5","3","6","4","1","1") = "6"
    & skf21("2","7","5","3","6","4","2","1") = "6"
    & skf21("2","7","5","3","6","4","3","1") = "6"
    & skf21("2","7","5","3","6","4","4","1") = "6"
    & skf21("2","7","5","3","6","4","5","1") = "6"
    & skf21("2","7","5","3","6","4","6","1") = "6"
    & skf21("2","7","5","3","6","4","7","1") = "6"
    & skf21("2","7","5","3","6","5","1","1") = "6"
    & skf21("2","7","5","3","6","5","2","1") = "6"
    & skf21("2","7","5","3","6","5","3","1") = "6"
    & skf21("2","7","5","3","6","5","4","1") = "6"
    & skf21("2","7","5","3","6","5","5","1") = "6"
    & skf21("2","7","5","3","6","5","6","1") = "6"
    & skf21("2","7","5","3","6","5","7","1") = "6"
    & skf21("2","7","5","3","6","6","1","1") = "6"
    & skf21("2","7","5","3","6","6","2","1") = "6"
    & skf21("2","7","5","3","6","6","3","1") = "6"
    & skf21("2","7","5","3","6","6","4","1") = "6"
    & skf21("2","7","5","3","6","6","5","1") = "6"
    & skf21("2","7","5","3","6","6","6","1") = "6"
    & skf21("2","7","5","3","6","6","7","1") = "6"
    & skf21("2","7","5","3","6","7","1","1") = "6"
    & skf21("2","7","5","3","6","7","2","1") = "6"
    & skf21("2","7","5","3","6","7","3","1") = "6"
    & skf21("2","7","5","3","6","7","4","1") = "6"
    & skf21("2","7","5","3","6","7","5","1") = "6"
    & skf21("2","7","5","3","6","7","6","1") = "6"
    & skf21("2","7","5","3","6","7","7","1") = "6"
    & skf21("2","7","5","3","7","1","1","1") = "6"
    & skf21("2","7","5","3","7","1","2","1") = "6"
    & skf21("2","7","5","3","7","1","3","1") = "6"
    & skf21("2","7","5","3","7","1","4","1") = "6"
    & skf21("2","7","5","3","7","1","5","1") = "6"
    & skf21("2","7","5","3","7","1","6","1") = "6"
    & skf21("2","7","5","3","7","1","7","1") = "6"
    & skf21("2","7","5","3","7","2","1","1") = "6"
    & skf21("2","7","5","3","7","2","2","1") = "6"
    & skf21("2","7","5","3","7","2","3","1") = "6"
    & skf21("2","7","5","3","7","2","4","1") = "6"
    & skf21("2","7","5","3","7","2","5","1") = "6"
    & skf21("2","7","5","3","7","2","6","1") = "6"
    & skf21("2","7","5","3","7","2","7","1") = "6"
    & skf21("2","7","5","3","7","3","1","1") = "6"
    & skf21("2","7","5","3","7","3","2","1") = "6"
    & skf21("2","7","5","3","7","3","3","1") = "6"
    & skf21("2","7","5","3","7","3","4","1") = "6"
    & skf21("2","7","5","3","7","3","5","1") = "6"
    & skf21("2","7","5","3","7","3","6","1") = "6"
    & skf21("2","7","5","3","7","3","7","1") = "6"
    & skf21("2","7","5","3","7","4","1","1") = "6"
    & skf21("2","7","5","3","7","4","2","1") = "6"
    & skf21("2","7","5","3","7","4","3","1") = "6"
    & skf21("2","7","5","3","7","4","4","1") = "6"
    & skf21("2","7","5","3","7","4","5","1") = "6"
    & skf21("2","7","5","3","7","4","6","1") = "6"
    & skf21("2","7","5","3","7","4","7","1") = "6"
    & skf21("2","7","5","3","7","5","1","1") = "6"
    & skf21("2","7","5","3","7","5","2","1") = "6"
    & skf21("2","7","5","3","7","5","3","1") = "6"
    & skf21("2","7","5","3","7","5","4","1") = "6"
    & skf21("2","7","5","3","7","5","5","1") = "6"
    & skf21("2","7","5","3","7","5","6","1") = "6"
    & skf21("2","7","5","3","7","5","7","1") = "6"
    & skf21("2","7","5","3","7","6","1","1") = "6"
    & skf21("2","7","5","3","7","6","2","1") = "6"
    & skf21("2","7","5","3","7","6","3","1") = "6"
    & skf21("2","7","5","3","7","6","4","1") = "6"
    & skf21("2","7","5","3","7","6","5","1") = "6"
    & skf21("2","7","5","3","7","6","6","1") = "6"
    & skf21("2","7","5","3","7","6","7","1") = "6"
    & skf21("2","7","5","3","7","7","1","1") = "6"
    & skf21("2","7","5","3","7","7","2","1") = "6"
    & skf21("2","7","5","3","7","7","3","1") = "6"
    & skf21("2","7","5","3","7","7","4","1") = "6"
    & skf21("2","7","5","3","7","7","5","1") = "6"
    & skf21("2","7","5","3","7","7","6","1") = "6"
    & skf21("2","7","5","3","7","7","7","1") = "6"
    & skf21("2","7","5","4","1","1","1","1") = "6"
    & skf21("2","7","5","4","1","1","2","1") = "6"
    & skf21("2","7","5","4","1","1","3","1") = "6"
    & skf21("2","7","5","4","1","1","4","1") = "6"
    & skf21("2","7","5","4","1","1","5","1") = "6"
    & skf21("2","7","5","4","1","1","6","1") = "6"
    & skf21("2","7","5","4","1","1","7","1") = "6"
    & skf21("2","7","5","4","1","2","1","1") = "6"
    & skf21("2","7","5","4","1","2","2","1") = "6"
    & skf21("2","7","5","4","1","2","3","1") = "6"
    & skf21("2","7","5","4","1","2","4","1") = "6"
    & skf21("2","7","5","4","1","2","5","1") = "6"
    & skf21("2","7","5","4","1","2","6","1") = "6"
    & skf21("2","7","5","4","1","2","7","1") = "6"
    & skf21("2","7","5","4","1","3","1","1") = "6"
    & skf21("2","7","5","4","1","3","2","1") = "6"
    & skf21("2","7","5","4","1","3","3","1") = "6"
    & skf21("2","7","5","4","1","3","4","1") = "6"
    & skf21("2","7","5","4","1","3","5","1") = "6"
    & skf21("2","7","5","4","1","3","6","1") = "6"
    & skf21("2","7","5","4","1","3","7","1") = "6"
    & skf21("2","7","5","4","1","4","1","1") = "6"
    & skf21("2","7","5","4","1","4","2","1") = "6"
    & skf21("2","7","5","4","1","4","3","1") = "6"
    & skf21("2","7","5","4","1","4","4","1") = "6"
    & skf21("2","7","5","4","1","4","5","1") = "6"
    & skf21("2","7","5","4","1","4","6","1") = "6"
    & skf21("2","7","5","4","1","4","7","1") = "6"
    & skf21("2","7","5","4","1","5","1","1") = "6"
    & skf21("2","7","5","4","1","5","2","1") = "6"
    & skf21("2","7","5","4","1","5","3","1") = "6"
    & skf21("2","7","5","4","1","5","4","1") = "6"
    & skf21("2","7","5","4","1","5","5","1") = "6"
    & skf21("2","7","5","4","1","5","6","1") = "6"
    & skf21("2","7","5","4","1","5","7","1") = "6"
    & skf21("2","7","5","4","1","6","1","1") = "6"
    & skf21("2","7","5","4","1","6","2","1") = "6"
    & skf21("2","7","5","4","1","6","3","1") = "6"
    & skf21("2","7","5","4","1","6","4","1") = "6"
    & skf21("2","7","5","4","1","6","5","1") = "6"
    & skf21("2","7","5","4","1","6","6","1") = "6"
    & skf21("2","7","5","4","1","6","7","1") = "6"
    & skf21("2","7","5","4","1","7","1","1") = "6"
    & skf21("2","7","5","4","1","7","2","1") = "6"
    & skf21("2","7","5","4","1","7","3","1") = "6"
    & skf21("2","7","5","4","1","7","4","1") = "6"
    & skf21("2","7","5","4","1","7","5","1") = "6"
    & skf21("2","7","5","4","1","7","6","1") = "6"
    & skf21("2","7","5","4","1","7","7","1") = "6"
    & skf21("2","7","5","4","2","1","1","1") = "6"
    & skf21("2","7","5","4","2","1","2","1") = "6"
    & skf21("2","7","5","4","2","1","3","1") = "6"
    & skf21("2","7","5","4","2","1","4","1") = "6"
    & skf21("2","7","5","4","2","1","5","1") = "6"
    & skf21("2","7","5","4","2","1","6","1") = "6"
    & skf21("2","7","5","4","2","1","7","1") = "6"
    & skf21("2","7","5","4","2","2","1","1") = "6"
    & skf21("2","7","5","4","2","2","2","1") = "6"
    & skf21("2","7","5","4","2","2","3","1") = "6"
    & skf21("2","7","5","4","2","2","4","1") = "6"
    & skf21("2","7","5","4","2","2","5","1") = "6"
    & skf21("2","7","5","4","2","2","6","1") = "6"
    & skf21("2","7","5","4","2","2","7","1") = "6"
    & skf21("2","7","5","4","2","3","1","1") = "6"
    & skf21("2","7","5","4","2","3","2","1") = "6"
    & skf21("2","7","5","4","2","3","3","1") = "6"
    & skf21("2","7","5","4","2","3","4","1") = "6"
    & skf21("2","7","5","4","2","3","5","1") = "6"
    & skf21("2","7","5","4","2","3","6","1") = "6"
    & skf21("2","7","5","4","2","3","7","1") = "6"
    & skf21("2","7","5","4","2","4","1","1") = "6"
    & skf21("2","7","5","4","2","4","2","1") = "6"
    & skf21("2","7","5","4","2","4","3","1") = "6"
    & skf21("2","7","5","4","2","4","4","1") = "6"
    & skf21("2","7","5","4","2","4","5","1") = "6"
    & skf21("2","7","5","4","2","4","6","1") = "6"
    & skf21("2","7","5","4","2","4","7","1") = "6"
    & skf21("2","7","5","4","2","5","1","1") = "6"
    & skf21("2","7","5","4","2","5","2","1") = "6"
    & skf21("2","7","5","4","2","5","3","1") = "6"
    & skf21("2","7","5","4","2","5","4","1") = "6"
    & skf21("2","7","5","4","2","5","5","1") = "6"
    & skf21("2","7","5","4","2","5","6","1") = "6"
    & skf21("2","7","5","4","2","5","7","1") = "6"
    & skf21("2","7","5","4","2","6","1","1") = "6"
    & skf21("2","7","5","4","2","6","2","1") = "6"
    & skf21("2","7","5","4","2","6","3","1") = "6"
    & skf21("2","7","5","4","2","6","4","1") = "6"
    & skf21("2","7","5","4","2","6","5","1") = "6"
    & skf21("2","7","5","4","2","6","6","1") = "6"
    & skf21("2","7","5","4","2","6","7","1") = "6"
    & skf21("2","7","5","4","2","7","1","1") = "6"
    & skf21("2","7","5","4","2","7","2","1") = "6"
    & skf21("2","7","5","4","2","7","3","1") = "6"
    & skf21("2","7","5","4","2","7","4","1") = "6"
    & skf21("2","7","5","4","2","7","5","1") = "6"
    & skf21("2","7","5","4","2","7","6","1") = "6"
    & skf21("2","7","5","4","2","7","7","1") = "6"
    & skf21("2","7","5","4","3","1","1","1") = "6"
    & skf21("2","7","5","4","3","1","2","1") = "6"
    & skf21("2","7","5","4","3","1","3","1") = "6"
    & skf21("2","7","5","4","3","1","4","1") = "6"
    & skf21("2","7","5","4","3","1","5","1") = "6"
    & skf21("2","7","5","4","3","1","6","1") = "6"
    & skf21("2","7","5","4","3","1","7","1") = "6"
    & skf21("2","7","5","4","3","2","1","1") = "6"
    & skf21("2","7","5","4","3","2","2","1") = "6"
    & skf21("2","7","5","4","3","2","3","1") = "6"
    & skf21("2","7","5","4","3","2","4","1") = "6"
    & skf21("2","7","5","4","3","2","5","1") = "6"
    & skf21("2","7","5","4","3","2","6","1") = "6"
    & skf21("2","7","5","4","3","2","7","1") = "6"
    & skf21("2","7","5","4","3","3","1","1") = "6"
    & skf21("2","7","5","4","3","3","2","1") = "6"
    & skf21("2","7","5","4","3","3","3","1") = "6"
    & skf21("2","7","5","4","3","3","4","1") = "6"
    & skf21("2","7","5","4","3","3","5","1") = "6"
    & skf21("2","7","5","4","3","3","6","1") = "6"
    & skf21("2","7","5","4","3","3","7","1") = "6"
    & skf21("2","7","5","4","3","4","1","1") = "6"
    & skf21("2","7","5","4","3","4","2","1") = "6"
    & skf21("2","7","5","4","3","4","3","1") = "6"
    & skf21("2","7","5","4","3","4","4","1") = "6"
    & skf21("2","7","5","4","3","4","5","1") = "6"
    & skf21("2","7","5","4","3","4","6","1") = "6"
    & skf21("2","7","5","4","3","4","7","1") = "6"
    & skf21("2","7","5","4","3","5","1","1") = "6"
    & skf21("2","7","5","4","3","5","2","1") = "6"
    & skf21("2","7","5","4","3","5","3","1") = "6"
    & skf21("2","7","5","4","3","5","4","1") = "6"
    & skf21("2","7","5","4","3","5","5","1") = "6"
    & skf21("2","7","5","4","3","5","6","1") = "6"
    & skf21("2","7","5","4","3","5","7","1") = "6"
    & skf21("2","7","5","4","3","6","1","1") = "6"
    & skf21("2","7","5","4","3","6","2","1") = "6"
    & skf21("2","7","5","4","3","6","3","1") = "6"
    & skf21("2","7","5","4","3","6","4","1") = "6"
    & skf21("2","7","5","4","3","6","5","1") = "6"
    & skf21("2","7","5","4","3","6","6","1") = "6"
    & skf21("2","7","5","4","3","6","7","1") = "6"
    & skf21("2","7","5","4","3","7","1","1") = "6"
    & skf21("2","7","5","4","3","7","2","1") = "6"
    & skf21("2","7","5","4","3","7","3","1") = "6"
    & skf21("2","7","5","4","3","7","4","1") = "6"
    & skf21("2","7","5","4","3","7","5","1") = "6"
    & skf21("2","7","5","4","3","7","6","1") = "6"
    & skf21("2","7","5","4","3","7","7","1") = "6"
    & skf21("2","7","5","4","4","1","1","1") = "6"
    & skf21("2","7","5","4","4","1","2","1") = "6"
    & skf21("2","7","5","4","4","1","3","1") = "6"
    & skf21("2","7","5","4","4","1","4","1") = "6"
    & skf21("2","7","5","4","4","1","5","1") = "6"
    & skf21("2","7","5","4","4","1","6","1") = "6"
    & skf21("2","7","5","4","4","1","7","1") = "6"
    & skf21("2","7","5","4","4","2","1","1") = "6"
    & skf21("2","7","5","4","4","2","2","1") = "6"
    & skf21("2","7","5","4","4","2","3","1") = "6"
    & skf21("2","7","5","4","4","2","4","1") = "6"
    & skf21("2","7","5","4","4","2","5","1") = "6"
    & skf21("2","7","5","4","4","2","6","1") = "6"
    & skf21("2","7","5","4","4","2","7","1") = "6"
    & skf21("2","7","5","4","4","3","1","1") = "6"
    & skf21("2","7","5","4","4","3","2","1") = "6"
    & skf21("2","7","5","4","4","3","3","1") = "6"
    & skf21("2","7","5","4","4","3","4","1") = "6"
    & skf21("2","7","5","4","4","3","5","1") = "6"
    & skf21("2","7","5","4","4","3","6","1") = "6"
    & skf21("2","7","5","4","4","3","7","1") = "6"
    & skf21("2","7","5","4","4","4","1","1") = "6"
    & skf21("2","7","5","4","4","4","2","1") = "6"
    & skf21("2","7","5","4","4","4","3","1") = "6"
    & skf21("2","7","5","4","4","4","4","1") = "6"
    & skf21("2","7","5","4","4","4","5","1") = "6"
    & skf21("2","7","5","4","4","4","6","1") = "6"
    & skf21("2","7","5","4","4","4","7","1") = "6"
    & skf21("2","7","5","4","4","5","1","1") = "6"
    & skf21("2","7","5","4","4","5","2","1") = "6"
    & skf21("2","7","5","4","4","5","3","1") = "6"
    & skf21("2","7","5","4","4","5","4","1") = "6"
    & skf21("2","7","5","4","4","5","5","1") = "6"
    & skf21("2","7","5","4","4","5","6","1") = "6"
    & skf21("2","7","5","4","4","5","7","1") = "6"
    & skf21("2","7","5","4","4","6","1","1") = "6"
    & skf21("2","7","5","4","4","6","2","1") = "6"
    & skf21("2","7","5","4","4","6","3","1") = "6"
    & skf21("2","7","5","4","4","6","4","1") = "6"
    & skf21("2","7","5","4","4","6","5","1") = "6"
    & skf21("2","7","5","4","4","6","6","1") = "6"
    & skf21("2","7","5","4","4","6","7","1") = "6"
    & skf21("2","7","5","4","4","7","1","1") = "6"
    & skf21("2","7","5","4","4","7","2","1") = "6"
    & skf21("2","7","5","4","4","7","3","1") = "6"
    & skf21("2","7","5","4","4","7","4","1") = "6"
    & skf21("2","7","5","4","4","7","5","1") = "6"
    & skf21("2","7","5","4","4","7","6","1") = "6"
    & skf21("2","7","5","4","4","7","7","1") = "6"
    & skf21("2","7","5","4","5","1","1","1") = "6"
    & skf21("2","7","5","4","5","1","2","1") = "6"
    & skf21("2","7","5","4","5","1","3","1") = "6"
    & skf21("2","7","5","4","5","1","4","1") = "6"
    & skf21("2","7","5","4","5","1","5","1") = "6"
    & skf21("2","7","5","4","5","1","6","1") = "6"
    & skf21("2","7","5","4","5","1","7","1") = "6"
    & skf21("2","7","5","4","5","2","1","1") = "6"
    & skf21("2","7","5","4","5","2","2","1") = "6"
    & skf21("2","7","5","4","5","2","3","1") = "6"
    & skf21("2","7","5","4","5","2","4","1") = "6"
    & skf21("2","7","5","4","5","2","5","1") = "6"
    & skf21("2","7","5","4","5","2","6","1") = "6"
    & skf21("2","7","5","4","5","2","7","1") = "6"
    & skf21("2","7","5","4","5","3","1","1") = "6"
    & skf21("2","7","5","4","5","3","2","1") = "6"
    & skf21("2","7","5","4","5","3","3","1") = "6"
    & skf21("2","7","5","4","5","3","4","1") = "6"
    & skf21("2","7","5","4","5","3","5","1") = "6"
    & skf21("2","7","5","4","5","3","6","1") = "6"
    & skf21("2","7","5","4","5","3","7","1") = "6"
    & skf21("2","7","5","4","5","4","1","1") = "6"
    & skf21("2","7","5","4","5","4","2","1") = "6"
    & skf21("2","7","5","4","5","4","3","1") = "6"
    & skf21("2","7","5","4","5","4","4","1") = "6"
    & skf21("2","7","5","4","5","4","5","1") = "6"
    & skf21("2","7","5","4","5","4","6","1") = "6"
    & skf21("2","7","5","4","5","4","7","1") = "6"
    & skf21("2","7","5","4","5","5","1","1") = "6"
    & skf21("2","7","5","4","5","5","2","1") = "6"
    & skf21("2","7","5","4","5","5","3","1") = "6"
    & skf21("2","7","5","4","5","5","4","1") = "6"
    & skf21("2","7","5","4","5","5","5","1") = "6"
    & skf21("2","7","5","4","5","5","6","1") = "6"
    & skf21("2","7","5","4","5","5","7","1") = "6"
    & skf21("2","7","5","4","5","6","1","1") = "6"
    & skf21("2","7","5","4","5","6","2","1") = "6"
    & skf21("2","7","5","4","5","6","3","1") = "6"
    & skf21("2","7","5","4","5","6","4","1") = "6"
    & skf21("2","7","5","4","5","6","5","1") = "6"
    & skf21("2","7","5","4","5","6","6","1") = "6"
    & skf21("2","7","5","4","5","6","7","1") = "6"
    & skf21("2","7","5","4","5","7","1","1") = "6"
    & skf21("2","7","5","4","5","7","2","1") = "6"
    & skf21("2","7","5","4","5","7","3","1") = "6"
    & skf21("2","7","5","4","5","7","4","1") = "6"
    & skf21("2","7","5","4","5","7","5","1") = "6"
    & skf21("2","7","5","4","5","7","6","1") = "6"
    & skf21("2","7","5","4","5","7","7","1") = "6"
    & skf21("2","7","5","4","6","1","1","1") = "6"
    & skf21("2","7","5","4","6","1","2","1") = "6"
    & skf21("2","7","5","4","6","1","3","1") = "6"
    & skf21("2","7","5","4","6","1","4","1") = "6"
    & skf21("2","7","5","4","6","1","5","1") = "6"
    & skf21("2","7","5","4","6","1","6","1") = "6"
    & skf21("2","7","5","4","6","1","7","1") = "6"
    & skf21("2","7","5","4","6","2","1","1") = "6"
    & skf21("2","7","5","4","6","2","2","1") = "6"
    & skf21("2","7","5","4","6","2","3","1") = "6"
    & skf21("2","7","5","4","6","2","4","1") = "6"
    & skf21("2","7","5","4","6","2","5","1") = "6"
    & skf21("2","7","5","4","6","2","6","1") = "6"
    & skf21("2","7","5","4","6","2","7","1") = "6"
    & skf21("2","7","5","4","6","3","1","1") = "6"
    & skf21("2","7","5","4","6","3","2","1") = "6"
    & skf21("2","7","5","4","6","3","3","1") = "6"
    & skf21("2","7","5","4","6","3","4","1") = "6"
    & skf21("2","7","5","4","6","3","5","1") = "6"
    & skf21("2","7","5","4","6","3","6","1") = "6"
    & skf21("2","7","5","4","6","3","7","1") = "6"
    & skf21("2","7","5","4","6","4","1","1") = "6"
    & skf21("2","7","5","4","6","4","2","1") = "6"
    & skf21("2","7","5","4","6","4","3","1") = "6"
    & skf21("2","7","5","4","6","4","4","1") = "6"
    & skf21("2","7","5","4","6","4","5","1") = "6"
    & skf21("2","7","5","4","6","4","6","1") = "6"
    & skf21("2","7","5","4","6","4","7","1") = "6"
    & skf21("2","7","5","4","6","5","1","1") = "6"
    & skf21("2","7","5","4","6","5","2","1") = "6"
    & skf21("2","7","5","4","6","5","3","1") = "6"
    & skf21("2","7","5","4","6","5","4","1") = "6"
    & skf21("2","7","5","4","6","5","5","1") = "6"
    & skf21("2","7","5","4","6","5","6","1") = "6"
    & skf21("2","7","5","4","6","5","7","1") = "6"
    & skf21("2","7","5","4","6","6","1","1") = "6"
    & skf21("2","7","5","4","6","6","2","1") = "6"
    & skf21("2","7","5","4","6","6","3","1") = "6"
    & skf21("2","7","5","4","6","6","4","1") = "6"
    & skf21("2","7","5","4","6","6","5","1") = "6"
    & skf21("2","7","5","4","6","6","6","1") = "6"
    & skf21("2","7","5","4","6","6","7","1") = "6"
    & skf21("2","7","5","4","6","7","1","1") = "6"
    & skf21("2","7","5","4","6","7","2","1") = "6"
    & skf21("2","7","5","4","6","7","3","1") = "6"
    & skf21("2","7","5","4","6","7","4","1") = "6"
    & skf21("2","7","5","4","6","7","5","1") = "6"
    & skf21("2","7","5","4","6","7","6","1") = "6"
    & skf21("2","7","5","4","6","7","7","1") = "6"
    & skf21("2","7","5","4","7","1","1","1") = "6"
    & skf21("2","7","5","4","7","1","2","1") = "6"
    & skf21("2","7","5","4","7","1","3","1") = "6"
    & skf21("2","7","5","4","7","1","4","1") = "6"
    & skf21("2","7","5","4","7","1","5","1") = "6"
    & skf21("2","7","5","4","7","1","6","1") = "6"
    & skf21("2","7","5","4","7","1","7","1") = "6"
    & skf21("2","7","5","4","7","2","1","1") = "6"
    & skf21("2","7","5","4","7","2","2","1") = "6"
    & skf21("2","7","5","4","7","2","3","1") = "6"
    & skf21("2","7","5","4","7","2","4","1") = "6"
    & skf21("2","7","5","4","7","2","5","1") = "6"
    & skf21("2","7","5","4","7","2","6","1") = "6"
    & skf21("2","7","5","4","7","2","7","1") = "6"
    & skf21("2","7","5","4","7","3","1","1") = "6"
    & skf21("2","7","5","4","7","3","2","1") = "6"
    & skf21("2","7","5","4","7","3","3","1") = "6"
    & skf21("2","7","5","4","7","3","4","1") = "6"
    & skf21("2","7","5","4","7","3","5","1") = "6"
    & skf21("2","7","5","4","7","3","6","1") = "6"
    & skf21("2","7","5","4","7","3","7","1") = "6"
    & skf21("2","7","5","4","7","4","1","1") = "6"
    & skf21("2","7","5","4","7","4","2","1") = "6"
    & skf21("2","7","5","4","7","4","3","1") = "6"
    & skf21("2","7","5","4","7","4","4","1") = "6"
    & skf21("2","7","5","4","7","4","5","1") = "6"
    & skf21("2","7","5","4","7","4","6","1") = "6"
    & skf21("2","7","5","4","7","4","7","1") = "6"
    & skf21("2","7","5","4","7","5","1","1") = "6"
    & skf21("2","7","5","4","7","5","2","1") = "6"
    & skf21("2","7","5","4","7","5","3","1") = "6"
    & skf21("2","7","5","4","7","5","4","1") = "6"
    & skf21("2","7","5","4","7","5","5","1") = "6"
    & skf21("2","7","5","4","7","5","6","1") = "6"
    & skf21("2","7","5","4","7","5","7","1") = "6"
    & skf21("2","7","5","4","7","6","1","1") = "6"
    & skf21("2","7","5","4","7","6","2","1") = "6"
    & skf21("2","7","5","4","7","6","3","1") = "6"
    & skf21("2","7","5","4","7","6","4","1") = "6"
    & skf21("2","7","5","4","7","6","5","1") = "6"
    & skf21("2","7","5","4","7","6","6","1") = "6"
    & skf21("2","7","5","4","7","6","7","1") = "6"
    & skf21("2","7","5","4","7","7","1","1") = "6"
    & skf21("2","7","5","4","7","7","2","1") = "6"
    & skf21("2","7","5","4","7","7","3","1") = "6"
    & skf21("2","7","5","4","7","7","4","1") = "6"
    & skf21("2","7","5","4","7","7","5","1") = "6"
    & skf21("2","7","5","4","7","7","6","1") = "6"
    & skf21("2","7","5","4","7","7","7","1") = "6"
    & skf21("2","7","5","5","1","1","1","1") = "6"
    & skf21("2","7","5","5","1","1","2","1") = "6"
    & skf21("2","7","5","5","1","1","3","1") = "6"
    & skf21("2","7","5","5","1","1","4","1") = "6"
    & skf21("2","7","5","5","1","1","5","1") = "6"
    & skf21("2","7","5","5","1","1","6","1") = "6"
    & skf21("2","7","5","5","1","1","7","1") = "6"
    & skf21("2","7","5","5","1","2","1","1") = "6"
    & skf21("2","7","5","5","1","2","2","1") = "6"
    & skf21("2","7","5","5","1","2","3","1") = "6"
    & skf21("2","7","5","5","1","2","4","1") = "6"
    & skf21("2","7","5","5","1","2","5","1") = "6"
    & skf21("2","7","5","5","1","2","6","1") = "6"
    & skf21("2","7","5","5","1","2","7","1") = "6"
    & skf21("2","7","5","5","1","3","1","1") = "6"
    & skf21("2","7","5","5","1","3","2","1") = "6"
    & skf21("2","7","5","5","1","3","3","1") = "6"
    & skf21("2","7","5","5","1","3","4","1") = "6"
    & skf21("2","7","5","5","1","3","5","1") = "6"
    & skf21("2","7","5","5","1","3","6","1") = "6"
    & skf21("2","7","5","5","1","3","7","1") = "6"
    & skf21("2","7","5","5","1","4","1","1") = "6"
    & skf21("2","7","5","5","1","4","2","1") = "6"
    & skf21("2","7","5","5","1","4","3","1") = "6"
    & skf21("2","7","5","5","1","4","4","1") = "6"
    & skf21("2","7","5","5","1","4","5","1") = "6"
    & skf21("2","7","5","5","1","4","6","1") = "6"
    & skf21("2","7","5","5","1","4","7","1") = "6"
    & skf21("2","7","5","5","1","5","1","1") = "6"
    & skf21("2","7","5","5","1","5","2","1") = "6"
    & skf21("2","7","5","5","1","5","3","1") = "6"
    & skf21("2","7","5","5","1","5","4","1") = "6"
    & skf21("2","7","5","5","1","5","5","1") = "6"
    & skf21("2","7","5","5","1","5","6","1") = "6"
    & skf21("2","7","5","5","1","5","7","1") = "6"
    & skf21("2","7","5","5","1","6","1","1") = "6"
    & skf21("2","7","5","5","1","6","2","1") = "6"
    & skf21("2","7","5","5","1","6","3","1") = "6"
    & skf21("2","7","5","5","1","6","4","1") = "6"
    & skf21("2","7","5","5","1","6","5","1") = "6"
    & skf21("2","7","5","5","1","6","6","1") = "6"
    & skf21("2","7","5","5","1","6","7","1") = "6"
    & skf21("2","7","5","5","1","7","1","1") = "6"
    & skf21("2","7","5","5","1","7","2","1") = "6"
    & skf21("2","7","5","5","1","7","3","1") = "6"
    & skf21("2","7","5","5","1","7","4","1") = "6"
    & skf21("2","7","5","5","1","7","5","1") = "6"
    & skf21("2","7","5","5","1","7","6","1") = "6"
    & skf21("2","7","5","5","1","7","7","1") = "6"
    & skf21("2","7","5","5","2","1","1","1") = "6"
    & skf21("2","7","5","5","2","1","2","1") = "6"
    & skf21("2","7","5","5","2","1","3","1") = "6"
    & skf21("2","7","5","5","2","1","4","1") = "6"
    & skf21("2","7","5","5","2","1","5","1") = "6"
    & skf21("2","7","5","5","2","1","6","1") = "6"
    & skf21("2","7","5","5","2","1","7","1") = "6"
    & skf21("2","7","5","5","2","2","1","1") = "6"
    & skf21("2","7","5","5","2","2","2","1") = "6"
    & skf21("2","7","5","5","2","2","3","1") = "6"
    & skf21("2","7","5","5","2","2","4","1") = "6"
    & skf21("2","7","5","5","2","2","5","1") = "6"
    & skf21("2","7","5","5","2","2","6","1") = "6"
    & skf21("2","7","5","5","2","2","7","1") = "6"
    & skf21("2","7","5","5","2","3","1","1") = "6"
    & skf21("2","7","5","5","2","3","2","1") = "6"
    & skf21("2","7","5","5","2","3","3","1") = "6"
    & skf21("2","7","5","5","2","3","4","1") = "6"
    & skf21("2","7","5","5","2","3","5","1") = "6"
    & skf21("2","7","5","5","2","3","6","1") = "6"
    & skf21("2","7","5","5","2","3","7","1") = "6"
    & skf21("2","7","5","5","2","4","1","1") = "6"
    & skf21("2","7","5","5","2","4","2","1") = "6"
    & skf21("2","7","5","5","2","4","3","1") = "6"
    & skf21("2","7","5","5","2","4","4","1") = "6"
    & skf21("2","7","5","5","2","4","5","1") = "6"
    & skf21("2","7","5","5","2","4","6","1") = "6"
    & skf21("2","7","5","5","2","4","7","1") = "6"
    & skf21("2","7","5","5","2","5","1","1") = "6"
    & skf21("2","7","5","5","2","5","2","1") = "6"
    & skf21("2","7","5","5","2","5","3","1") = "6"
    & skf21("2","7","5","5","2","5","4","1") = "6"
    & skf21("2","7","5","5","2","5","5","1") = "6"
    & skf21("2","7","5","5","2","5","6","1") = "6"
    & skf21("2","7","5","5","2","5","7","1") = "6"
    & skf21("2","7","5","5","2","6","1","1") = "6"
    & skf21("2","7","5","5","2","6","2","1") = "6"
    & skf21("2","7","5","5","2","6","3","1") = "6"
    & skf21("2","7","5","5","2","6","4","1") = "6"
    & skf21("2","7","5","5","2","6","5","1") = "6"
    & skf21("2","7","5","5","2","6","6","1") = "6"
    & skf21("2","7","5","5","2","6","7","1") = "6"
    & skf21("2","7","5","5","2","7","1","1") = "6"
    & skf21("2","7","5","5","2","7","2","1") = "6"
    & skf21("2","7","5","5","2","7","3","1") = "6"
    & skf21("2","7","5","5","2","7","4","1") = "6"
    & skf21("2","7","5","5","2","7","5","1") = "6"
    & skf21("2","7","5","5","2","7","6","1") = "6"
    & skf21("2","7","5","5","2","7","7","1") = "6"
    & skf21("2","7","5","5","3","1","1","1") = "6"
    & skf21("2","7","5","5","3","1","2","1") = "6"
    & skf21("2","7","5","5","3","1","3","1") = "6"
    & skf21("2","7","5","5","3","1","4","1") = "6"
    & skf21("2","7","5","5","3","1","5","1") = "6"
    & skf21("2","7","5","5","3","1","6","1") = "6"
    & skf21("2","7","5","5","3","1","7","1") = "6"
    & skf21("2","7","5","5","3","2","1","1") = "6"
    & skf21("2","7","5","5","3","2","2","1") = "6"
    & skf21("2","7","5","5","3","2","3","1") = "6"
    & skf21("2","7","5","5","3","2","4","1") = "6"
    & skf21("2","7","5","5","3","2","5","1") = "6"
    & skf21("2","7","5","5","3","2","6","1") = "6"
    & skf21("2","7","5","5","3","2","7","1") = "6"
    & skf21("2","7","5","5","3","3","1","1") = "6"
    & skf21("2","7","5","5","3","3","2","1") = "6"
    & skf21("2","7","5","5","3","3","3","1") = "6"
    & skf21("2","7","5","5","3","3","4","1") = "6"
    & skf21("2","7","5","5","3","3","5","1") = "6"
    & skf21("2","7","5","5","3","3","6","1") = "6"
    & skf21("2","7","5","5","3","3","7","1") = "6"
    & skf21("2","7","5","5","3","4","1","1") = "6"
    & skf21("2","7","5","5","3","4","2","1") = "6"
    & skf21("2","7","5","5","3","4","3","1") = "6"
    & skf21("2","7","5","5","3","4","4","1") = "6"
    & skf21("2","7","5","5","3","4","5","1") = "6"
    & skf21("2","7","5","5","3","4","6","1") = "6"
    & skf21("2","7","5","5","3","4","7","1") = "6"
    & skf21("2","7","5","5","3","5","1","1") = "6"
    & skf21("2","7","5","5","3","5","2","1") = "6"
    & skf21("2","7","5","5","3","5","3","1") = "6"
    & skf21("2","7","5","5","3","5","4","1") = "6"
    & skf21("2","7","5","5","3","5","5","1") = "6"
    & skf21("2","7","5","5","3","5","6","1") = "6"
    & skf21("2","7","5","5","3","5","7","1") = "6"
    & skf21("2","7","5","5","3","6","1","1") = "6"
    & skf21("2","7","5","5","3","6","2","1") = "6"
    & skf21("2","7","5","5","3","6","3","1") = "6"
    & skf21("2","7","5","5","3","6","4","1") = "6"
    & skf21("2","7","5","5","3","6","5","1") = "6"
    & skf21("2","7","5","5","3","6","6","1") = "6"
    & skf21("2","7","5","5","3","6","7","1") = "6"
    & skf21("2","7","5","5","3","7","1","1") = "6"
    & skf21("2","7","5","5","3","7","2","1") = "6"
    & skf21("2","7","5","5","3","7","3","1") = "6"
    & skf21("2","7","5","5","3","7","4","1") = "6"
    & skf21("2","7","5","5","3","7","5","1") = "6"
    & skf21("2","7","5","5","3","7","6","1") = "6"
    & skf21("2","7","5","5","3","7","7","1") = "6"
    & skf21("2","7","5","5","4","1","1","1") = "6"
    & skf21("2","7","5","5","4","1","2","1") = "6"
    & skf21("2","7","5","5","4","1","3","1") = "6"
    & skf21("2","7","5","5","4","1","4","1") = "6"
    & skf21("2","7","5","5","4","1","5","1") = "6"
    & skf21("2","7","5","5","4","1","6","1") = "6"
    & skf21("2","7","5","5","4","1","7","1") = "6"
    & skf21("2","7","5","5","4","2","1","1") = "6"
    & skf21("2","7","5","5","4","2","2","1") = "6"
    & skf21("2","7","5","5","4","2","3","1") = "6"
    & skf21("2","7","5","5","4","2","4","1") = "6"
    & skf21("2","7","5","5","4","2","5","1") = "6"
    & skf21("2","7","5","5","4","2","6","1") = "6"
    & skf21("2","7","5","5","4","2","7","1") = "6"
    & skf21("2","7","5","5","4","3","1","1") = "6"
    & skf21("2","7","5","5","4","3","2","1") = "6"
    & skf21("2","7","5","5","4","3","3","1") = "6"
    & skf21("2","7","5","5","4","3","4","1") = "6"
    & skf21("2","7","5","5","4","3","5","1") = "6"
    & skf21("2","7","5","5","4","3","6","1") = "6"
    & skf21("2","7","5","5","4","3","7","1") = "6"
    & skf21("2","7","5","5","4","4","1","1") = "6"
    & skf21("2","7","5","5","4","4","2","1") = "6"
    & skf21("2","7","5","5","4","4","3","1") = "6"
    & skf21("2","7","5","5","4","4","4","1") = "6"
    & skf21("2","7","5","5","4","4","5","1") = "6"
    & skf21("2","7","5","5","4","4","6","1") = "6"
    & skf21("2","7","5","5","4","4","7","1") = "6"
    & skf21("2","7","5","5","4","5","1","1") = "6"
    & skf21("2","7","5","5","4","5","2","1") = "6"
    & skf21("2","7","5","5","4","5","3","1") = "6"
    & skf21("2","7","5","5","4","5","4","1") = "6"
    & skf21("2","7","5","5","4","5","5","1") = "6"
    & skf21("2","7","5","5","4","5","6","1") = "6"
    & skf21("2","7","5","5","4","5","7","1") = "6"
    & skf21("2","7","5","5","4","6","1","1") = "6"
    & skf21("2","7","5","5","4","6","2","1") = "6"
    & skf21("2","7","5","5","4","6","3","1") = "6"
    & skf21("2","7","5","5","4","6","4","1") = "6"
    & skf21("2","7","5","5","4","6","5","1") = "6"
    & skf21("2","7","5","5","4","6","6","1") = "6"
    & skf21("2","7","5","5","4","6","7","1") = "6"
    & skf21("2","7","5","5","4","7","1","1") = "6"
    & skf21("2","7","5","5","4","7","2","1") = "6"
    & skf21("2","7","5","5","4","7","3","1") = "6"
    & skf21("2","7","5","5","4","7","4","1") = "6"
    & skf21("2","7","5","5","4","7","5","1") = "6"
    & skf21("2","7","5","5","4","7","6","1") = "6"
    & skf21("2","7","5","5","4","7","7","1") = "6"
    & skf21("2","7","5","5","5","1","1","1") = "6"
    & skf21("2","7","5","5","5","1","2","1") = "6"
    & skf21("2","7","5","5","5","1","3","1") = "6"
    & skf21("2","7","5","5","5","1","4","1") = "6"
    & skf21("2","7","5","5","5","1","5","1") = "6"
    & skf21("2","7","5","5","5","1","6","1") = "6"
    & skf21("2","7","5","5","5","1","7","1") = "6"
    & skf21("2","7","5","5","5","2","1","1") = "6"
    & skf21("2","7","5","5","5","2","2","1") = "6"
    & skf21("2","7","5","5","5","2","3","1") = "6"
    & skf21("2","7","5","5","5","2","4","1") = "6"
    & skf21("2","7","5","5","5","2","5","1") = "6"
    & skf21("2","7","5","5","5","2","6","1") = "6"
    & skf21("2","7","5","5","5","2","7","1") = "6"
    & skf21("2","7","5","5","5","3","1","1") = "6"
    & skf21("2","7","5","5","5","3","2","1") = "6"
    & skf21("2","7","5","5","5","3","3","1") = "6"
    & skf21("2","7","5","5","5","3","4","1") = "6"
    & skf21("2","7","5","5","5","3","5","1") = "6"
    & skf21("2","7","5","5","5","3","6","1") = "6"
    & skf21("2","7","5","5","5","3","7","1") = "6"
    & skf21("2","7","5","5","5","4","1","1") = "6"
    & skf21("2","7","5","5","5","4","2","1") = "6"
    & skf21("2","7","5","5","5","4","3","1") = "6"
    & skf21("2","7","5","5","5","4","4","1") = "6"
    & skf21("2","7","5","5","5","4","5","1") = "6"
    & skf21("2","7","5","5","5","4","6","1") = "6"
    & skf21("2","7","5","5","5","4","7","1") = "6"
    & skf21("2","7","5","5","5","5","1","1") = "6"
    & skf21("2","7","5","5","5","5","2","1") = "6"
    & skf21("2","7","5","5","5","5","3","1") = "6"
    & skf21("2","7","5","5","5","5","4","1") = "6"
    & skf21("2","7","5","5","5","5","5","1") = "6"
    & skf21("2","7","5","5","5","5","6","1") = "6"
    & skf21("2","7","5","5","5","5","7","1") = "6"
    & skf21("2","7","5","5","5","6","1","1") = "6"
    & skf21("2","7","5","5","5","6","2","1") = "6"
    & skf21("2","7","5","5","5","6","3","1") = "6"
    & skf21("2","7","5","5","5","6","4","1") = "6"
    & skf21("2","7","5","5","5","6","5","1") = "6"
    & skf21("2","7","5","5","5","6","6","1") = "6"
    & skf21("2","7","5","5","5","6","7","1") = "6"
    & skf21("2","7","5","5","5","7","1","1") = "6"
    & skf21("2","7","5","5","5","7","2","1") = "6"
    & skf21("2","7","5","5","5","7","3","1") = "6"
    & skf21("2","7","5","5","5","7","4","1") = "6"
    & skf21("2","7","5","5","5","7","5","1") = "6"
    & skf21("2","7","5","5","5","7","6","1") = "6"
    & skf21("2","7","5","5","5","7","7","1") = "6"
    & skf21("2","7","5","5","6","1","1","1") = "6"
    & skf21("2","7","5","5","6","1","2","1") = "6"
    & skf21("2","7","5","5","6","1","3","1") = "6"
    & skf21("2","7","5","5","6","1","4","1") = "6"
    & skf21("2","7","5","5","6","1","5","1") = "6"
    & skf21("2","7","5","5","6","1","6","1") = "6"
    & skf21("2","7","5","5","6","1","7","1") = "6"
    & skf21("2","7","5","5","6","2","1","1") = "6"
    & skf21("2","7","5","5","6","2","2","1") = "6"
    & skf21("2","7","5","5","6","2","3","1") = "6"
    & skf21("2","7","5","5","6","2","4","1") = "6"
    & skf21("2","7","5","5","6","2","5","1") = "6"
    & skf21("2","7","5","5","6","2","6","1") = "6"
    & skf21("2","7","5","5","6","2","7","1") = "6"
    & skf21("2","7","5","5","6","3","1","1") = "6"
    & skf21("2","7","5","5","6","3","2","1") = "6"
    & skf21("2","7","5","5","6","3","3","1") = "6"
    & skf21("2","7","5","5","6","3","4","1") = "6"
    & skf21("2","7","5","5","6","3","5","1") = "6"
    & skf21("2","7","5","5","6","3","6","1") = "6"
    & skf21("2","7","5","5","6","3","7","1") = "6"
    & skf21("2","7","5","5","6","4","1","1") = "6"
    & skf21("2","7","5","5","6","4","2","1") = "6"
    & skf21("2","7","5","5","6","4","3","1") = "6"
    & skf21("2","7","5","5","6","4","4","1") = "6"
    & skf21("2","7","5","5","6","4","5","1") = "6"
    & skf21("2","7","5","5","6","4","6","1") = "6"
    & skf21("2","7","5","5","6","4","7","1") = "6"
    & skf21("2","7","5","5","6","5","1","1") = "6"
    & skf21("2","7","5","5","6","5","2","1") = "6"
    & skf21("2","7","5","5","6","5","3","1") = "6"
    & skf21("2","7","5","5","6","5","4","1") = "6"
    & skf21("2","7","5","5","6","5","5","1") = "6"
    & skf21("2","7","5","5","6","5","6","1") = "6"
    & skf21("2","7","5","5","6","5","7","1") = "6"
    & skf21("2","7","5","5","6","6","1","1") = "6"
    & skf21("2","7","5","5","6","6","2","1") = "6"
    & skf21("2","7","5","5","6","6","3","1") = "6"
    & skf21("2","7","5","5","6","6","4","1") = "6"
    & skf21("2","7","5","5","6","6","5","1") = "6"
    & skf21("2","7","5","5","6","6","6","1") = "6"
    & skf21("2","7","5","5","6","6","7","1") = "6"
    & skf21("2","7","5","5","6","7","1","1") = "6"
    & skf21("2","7","5","5","6","7","2","1") = "6"
    & skf21("2","7","5","5","6","7","3","1") = "6"
    & skf21("2","7","5","5","6","7","4","1") = "6"
    & skf21("2","7","5","5","6","7","5","1") = "6"
    & skf21("2","7","5","5","6","7","6","1") = "6"
    & skf21("2","7","5","5","6","7","7","1") = "6"
    & skf21("2","7","5","5","7","1","1","1") = "6"
    & skf21("2","7","5","5","7","1","2","1") = "6"
    & skf21("2","7","5","5","7","1","3","1") = "6"
    & skf21("2","7","5","5","7","1","4","1") = "6"
    & skf21("2","7","5","5","7","1","5","1") = "6"
    & skf21("2","7","5","5","7","1","6","1") = "6"
    & skf21("2","7","5","5","7","1","7","1") = "6"
    & skf21("2","7","5","5","7","2","1","1") = "6"
    & skf21("2","7","5","5","7","2","2","1") = "6"
    & skf21("2","7","5","5","7","2","3","1") = "6"
    & skf21("2","7","5","5","7","2","4","1") = "6"
    & skf21("2","7","5","5","7","2","5","1") = "6"
    & skf21("2","7","5","5","7","2","6","1") = "6"
    & skf21("2","7","5","5","7","2","7","1") = "6"
    & skf21("2","7","5","5","7","3","1","1") = "6"
    & skf21("2","7","5","5","7","3","2","1") = "6"
    & skf21("2","7","5","5","7","3","3","1") = "6"
    & skf21("2","7","5","5","7","3","4","1") = "6"
    & skf21("2","7","5","5","7","3","5","1") = "6"
    & skf21("2","7","5","5","7","3","6","1") = "6"
    & skf21("2","7","5","5","7","3","7","1") = "6"
    & skf21("2","7","5","5","7","4","1","1") = "6"
    & skf21("2","7","5","5","7","4","2","1") = "6"
    & skf21("2","7","5","5","7","4","3","1") = "6"
    & skf21("2","7","5","5","7","4","4","1") = "6"
    & skf21("2","7","5","5","7","4","5","1") = "6"
    & skf21("2","7","5","5","7","4","6","1") = "6"
    & skf21("2","7","5","5","7","4","7","1") = "6"
    & skf21("2","7","5","5","7","5","1","1") = "6"
    & skf21("2","7","5","5","7","5","2","1") = "6"
    & skf21("2","7","5","5","7","5","3","1") = "6"
    & skf21("2","7","5","5","7","5","4","1") = "6"
    & skf21("2","7","5","5","7","5","5","1") = "6"
    & skf21("2","7","5","5","7","5","6","1") = "6"
    & skf21("2","7","5","5","7","5","7","1") = "6"
    & skf21("2","7","5","5","7","6","1","1") = "6"
    & skf21("2","7","5","5","7","6","2","1") = "6"
    & skf21("2","7","5","5","7","6","3","1") = "6"
    & skf21("2","7","5","5","7","6","4","1") = "6"
    & skf21("2","7","5","5","7","6","5","1") = "6"
    & skf21("2","7","5","5","7","6","6","1") = "6"
    & skf21("2","7","5","5","7","6","7","1") = "6"
    & skf21("2","7","5","5","7","7","1","1") = "6"
    & skf21("2","7","5","5","7","7","2","1") = "6"
    & skf21("2","7","5","5","7","7","3","1") = "6"
    & skf21("2","7","5","5","7","7","4","1") = "6"
    & skf21("2","7","5","5","7","7","5","1") = "6"
    & skf21("2","7","5","5","7","7","6","1") = "6"
    & skf21("2","7","5","5","7","7","7","1") = "6"
    & skf21("2","7","5","6","1","1","1","1") = "6"
    & skf21("2","7","5","6","1","1","2","1") = "6"
    & skf21("2","7","5","6","1","1","3","1") = "6"
    & skf21("2","7","5","6","1","1","4","1") = "6"
    & skf21("2","7","5","6","1","1","5","1") = "6"
    & skf21("2","7","5","6","1","1","6","1") = "6"
    & skf21("2","7","5","6","1","1","7","1") = "6"
    & skf21("2","7","5","6","1","2","1","1") = "6"
    & skf21("2","7","5","6","1","2","2","1") = "6"
    & skf21("2","7","5","6","1","2","3","1") = "6"
    & skf21("2","7","5","6","1","2","4","1") = "6"
    & skf21("2","7","5","6","1","2","5","1") = "6"
    & skf21("2","7","5","6","1","2","6","1") = "6"
    & skf21("2","7","5","6","1","2","7","1") = "6"
    & skf21("2","7","5","6","1","3","1","1") = "6"
    & skf21("2","7","5","6","1","3","2","1") = "6"
    & skf21("2","7","5","6","1","3","3","1") = "6"
    & skf21("2","7","5","6","1","3","4","1") = "6"
    & skf21("2","7","5","6","1","3","5","1") = "6"
    & skf21("2","7","5","6","1","3","6","1") = "6"
    & skf21("2","7","5","6","1","3","7","1") = "6"
    & skf21("2","7","5","6","1","4","1","1") = "6"
    & skf21("2","7","5","6","1","4","2","1") = "6"
    & skf21("2","7","5","6","1","4","3","1") = "6"
    & skf21("2","7","5","6","1","4","4","1") = "6"
    & skf21("2","7","5","6","1","4","5","1") = "6"
    & skf21("2","7","5","6","1","4","6","1") = "6"
    & skf21("2","7","5","6","1","4","7","1") = "6"
    & skf21("2","7","5","6","1","5","1","1") = "6"
    & skf21("2","7","5","6","1","5","2","1") = "6"
    & skf21("2","7","5","6","1","5","3","1") = "6"
    & skf21("2","7","5","6","1","5","4","1") = "6"
    & skf21("2","7","5","6","1","5","5","1") = "6"
    & skf21("2","7","5","6","1","5","6","1") = "6"
    & skf21("2","7","5","6","1","5","7","1") = "6"
    & skf21("2","7","5","6","1","6","1","1") = "6"
    & skf21("2","7","5","6","1","6","2","1") = "6"
    & skf21("2","7","5","6","1","6","3","1") = "6"
    & skf21("2","7","5","6","1","6","4","1") = "6"
    & skf21("2","7","5","6","1","6","5","1") = "6"
    & skf21("2","7","5","6","1","6","6","1") = "6"
    & skf21("2","7","5","6","1","6","7","1") = "6"
    & skf21("2","7","5","6","1","7","1","1") = "6"
    & skf21("2","7","5","6","1","7","2","1") = "6"
    & skf21("2","7","5","6","1","7","3","1") = "6"
    & skf21("2","7","5","6","1","7","4","1") = "6"
    & skf21("2","7","5","6","1","7","5","1") = "6"
    & skf21("2","7","5","6","1","7","6","1") = "6"
    & skf21("2","7","5","6","1","7","7","1") = "6"
    & skf21("2","7","5","6","2","1","1","1") = "6"
    & skf21("2","7","5","6","2","1","2","1") = "6"
    & skf21("2","7","5","6","2","1","3","1") = "6"
    & skf21("2","7","5","6","2","1","4","1") = "6"
    & skf21("2","7","5","6","2","1","5","1") = "6"
    & skf21("2","7","5","6","2","1","6","1") = "6"
    & skf21("2","7","5","6","2","1","7","1") = "6"
    & skf21("2","7","5","6","2","2","1","1") = "6"
    & skf21("2","7","5","6","2","2","2","1") = "6"
    & skf21("2","7","5","6","2","2","3","1") = "6"
    & skf21("2","7","5","6","2","2","4","1") = "6"
    & skf21("2","7","5","6","2","2","5","1") = "6"
    & skf21("2","7","5","6","2","2","6","1") = "6"
    & skf21("2","7","5","6","2","2","7","1") = "6"
    & skf21("2","7","5","6","2","3","1","1") = "6"
    & skf21("2","7","5","6","2","3","2","1") = "6"
    & skf21("2","7","5","6","2","3","3","1") = "6"
    & skf21("2","7","5","6","2","3","4","1") = "6"
    & skf21("2","7","5","6","2","3","5","1") = "6"
    & skf21("2","7","5","6","2","3","6","1") = "6"
    & skf21("2","7","5","6","2","3","7","1") = "6"
    & skf21("2","7","5","6","2","4","1","1") = "6"
    & skf21("2","7","5","6","2","4","2","1") = "6"
    & skf21("2","7","5","6","2","4","3","1") = "6"
    & skf21("2","7","5","6","2","4","4","1") = "6"
    & skf21("2","7","5","6","2","4","5","1") = "6"
    & skf21("2","7","5","6","2","4","6","1") = "6"
    & skf21("2","7","5","6","2","4","7","1") = "6"
    & skf21("2","7","5","6","2","5","1","1") = "6"
    & skf21("2","7","5","6","2","5","2","1") = "6"
    & skf21("2","7","5","6","2","5","3","1") = "6"
    & skf21("2","7","5","6","2","5","4","1") = "6"
    & skf21("2","7","5","6","2","5","5","1") = "6"
    & skf21("2","7","5","6","2","5","6","1") = "6"
    & skf21("2","7","5","6","2","5","7","1") = "6"
    & skf21("2","7","5","6","2","6","1","1") = "6"
    & skf21("2","7","5","6","2","6","2","1") = "6"
    & skf21("2","7","5","6","2","6","3","1") = "6"
    & skf21("2","7","5","6","2","6","4","1") = "6"
    & skf21("2","7","5","6","2","6","5","1") = "6"
    & skf21("2","7","5","6","2","6","6","1") = "6"
    & skf21("2","7","5","6","2","6","7","1") = "6"
    & skf21("2","7","5","6","2","7","1","1") = "6"
    & skf21("2","7","5","6","2","7","2","1") = "6"
    & skf21("2","7","5","6","2","7","3","1") = "6"
    & skf21("2","7","5","6","2","7","4","1") = "6"
    & skf21("2","7","5","6","2","7","5","1") = "6"
    & skf21("2","7","5","6","2","7","6","1") = "6"
    & skf21("2","7","5","6","2","7","7","1") = "6"
    & skf21("2","7","5","6","3","1","1","1") = "6"
    & skf21("2","7","5","6","3","1","2","1") = "6"
    & skf21("2","7","5","6","3","1","3","1") = "6"
    & skf21("2","7","5","6","3","1","4","1") = "6"
    & skf21("2","7","5","6","3","1","5","1") = "6"
    & skf21("2","7","5","6","3","1","6","1") = "6"
    & skf21("2","7","5","6","3","1","7","1") = "6"
    & skf21("2","7","5","6","3","2","1","1") = "6"
    & skf21("2","7","5","6","3","2","2","1") = "6"
    & skf21("2","7","5","6","3","2","3","1") = "6"
    & skf21("2","7","5","6","3","2","4","1") = "6"
    & skf21("2","7","5","6","3","2","5","1") = "6"
    & skf21("2","7","5","6","3","2","6","1") = "6"
    & skf21("2","7","5","6","3","2","7","1") = "6"
    & skf21("2","7","5","6","3","3","1","1") = "6"
    & skf21("2","7","5","6","3","3","2","1") = "6"
    & skf21("2","7","5","6","3","3","3","1") = "6"
    & skf21("2","7","5","6","3","3","4","1") = "6"
    & skf21("2","7","5","6","3","3","5","1") = "6"
    & skf21("2","7","5","6","3","3","6","1") = "6"
    & skf21("2","7","5","6","3","3","7","1") = "6"
    & skf21("2","7","5","6","3","4","1","1") = "6"
    & skf21("2","7","5","6","3","4","2","1") = "6"
    & skf21("2","7","5","6","3","4","3","1") = "6"
    & skf21("2","7","5","6","3","4","4","1") = "6"
    & skf21("2","7","5","6","3","4","5","1") = "6"
    & skf21("2","7","5","6","3","4","6","1") = "6"
    & skf21("2","7","5","6","3","4","7","1") = "6"
    & skf21("2","7","5","6","3","5","1","1") = "6"
    & skf21("2","7","5","6","3","5","2","1") = "6"
    & skf21("2","7","5","6","3","5","3","1") = "6"
    & skf21("2","7","5","6","3","5","4","1") = "6"
    & skf21("2","7","5","6","3","5","5","1") = "6"
    & skf21("2","7","5","6","3","5","6","1") = "6"
    & skf21("2","7","5","6","3","5","7","1") = "6"
    & skf21("2","7","5","6","3","6","1","1") = "6"
    & skf21("2","7","5","6","3","6","2","1") = "6"
    & skf21("2","7","5","6","3","6","3","1") = "6"
    & skf21("2","7","5","6","3","6","4","1") = "6"
    & skf21("2","7","5","6","3","6","5","1") = "6"
    & skf21("2","7","5","6","3","6","6","1") = "6"
    & skf21("2","7","5","6","3","6","7","1") = "6"
    & skf21("2","7","5","6","3","7","1","1") = "6"
    & skf21("2","7","5","6","3","7","2","1") = "6"
    & skf21("2","7","5","6","3","7","3","1") = "6"
    & skf21("2","7","5","6","3","7","4","1") = "6"
    & skf21("2","7","5","6","3","7","5","1") = "6"
    & skf21("2","7","5","6","3","7","6","1") = "6"
    & skf21("2","7","5","6","3","7","7","1") = "6"
    & skf21("2","7","5","6","4","1","1","1") = "6"
    & skf21("2","7","5","6","4","1","2","1") = "6"
    & skf21("2","7","5","6","4","1","3","1") = "6"
    & skf21("2","7","5","6","4","1","4","1") = "6"
    & skf21("2","7","5","6","4","1","5","1") = "6"
    & skf21("2","7","5","6","4","1","6","1") = "6"
    & skf21("2","7","5","6","4","1","7","1") = "6"
    & skf21("2","7","5","6","4","2","1","1") = "6"
    & skf21("2","7","5","6","4","2","2","1") = "6"
    & skf21("2","7","5","6","4","2","3","1") = "6"
    & skf21("2","7","5","6","4","2","4","1") = "6"
    & skf21("2","7","5","6","4","2","5","1") = "6"
    & skf21("2","7","5","6","4","2","6","1") = "6"
    & skf21("2","7","5","6","4","2","7","1") = "6"
    & skf21("2","7","5","6","4","3","1","1") = "6"
    & skf21("2","7","5","6","4","3","2","1") = "6"
    & skf21("2","7","5","6","4","3","3","1") = "6"
    & skf21("2","7","5","6","4","3","4","1") = "6"
    & skf21("2","7","5","6","4","3","5","1") = "6"
    & skf21("2","7","5","6","4","3","6","1") = "6"
    & skf21("2","7","5","6","4","3","7","1") = "6"
    & skf21("2","7","5","6","4","4","1","1") = "6"
    & skf21("2","7","5","6","4","4","2","1") = "6"
    & skf21("2","7","5","6","4","4","3","1") = "6"
    & skf21("2","7","5","6","4","4","4","1") = "6"
    & skf21("2","7","5","6","4","4","5","1") = "6"
    & skf21("2","7","5","6","4","4","6","1") = "6"
    & skf21("2","7","5","6","4","4","7","1") = "6"
    & skf21("2","7","5","6","4","5","1","1") = "6"
    & skf21("2","7","5","6","4","5","2","1") = "6"
    & skf21("2","7","5","6","4","5","3","1") = "6"
    & skf21("2","7","5","6","4","5","4","1") = "6"
    & skf21("2","7","5","6","4","5","5","1") = "6"
    & skf21("2","7","5","6","4","5","6","1") = "6"
    & skf21("2","7","5","6","4","5","7","1") = "6"
    & skf21("2","7","5","6","4","6","1","1") = "6"
    & skf21("2","7","5","6","4","6","2","1") = "6"
    & skf21("2","7","5","6","4","6","3","1") = "6"
    & skf21("2","7","5","6","4","6","4","1") = "6"
    & skf21("2","7","5","6","4","6","5","1") = "6"
    & skf21("2","7","5","6","4","6","6","1") = "6"
    & skf21("2","7","5","6","4","6","7","1") = "6"
    & skf21("2","7","5","6","4","7","1","1") = "6"
    & skf21("2","7","5","6","4","7","2","1") = "6"
    & skf21("2","7","5","6","4","7","3","1") = "6"
    & skf21("2","7","5","6","4","7","4","1") = "6"
    & skf21("2","7","5","6","4","7","5","1") = "6"
    & skf21("2","7","5","6","4","7","6","1") = "6"
    & skf21("2","7","5","6","4","7","7","1") = "6"
    & skf21("2","7","5","6","5","1","1","1") = "6"
    & skf21("2","7","5","6","5","1","2","1") = "6"
    & skf21("2","7","5","6","5","1","3","1") = "6"
    & skf21("2","7","5","6","5","1","4","1") = "6"
    & skf21("2","7","5","6","5","1","5","1") = "6"
    & skf21("2","7","5","6","5","1","6","1") = "6"
    & skf21("2","7","5","6","5","1","7","1") = "6"
    & skf21("2","7","5","6","5","2","1","1") = "6"
    & skf21("2","7","5","6","5","2","2","1") = "6"
    & skf21("2","7","5","6","5","2","3","1") = "6"
    & skf21("2","7","5","6","5","2","4","1") = "6"
    & skf21("2","7","5","6","5","2","5","1") = "6"
    & skf21("2","7","5","6","5","2","6","1") = "6"
    & skf21("2","7","5","6","5","2","7","1") = "6"
    & skf21("2","7","5","6","5","3","1","1") = "6"
    & skf21("2","7","5","6","5","3","2","1") = "6"
    & skf21("2","7","5","6","5","3","3","1") = "6"
    & skf21("2","7","5","6","5","3","4","1") = "6"
    & skf21("2","7","5","6","5","3","5","1") = "6"
    & skf21("2","7","5","6","5","3","6","1") = "6"
    & skf21("2","7","5","6","5","3","7","1") = "6"
    & skf21("2","7","5","6","5","4","1","1") = "6"
    & skf21("2","7","5","6","5","4","2","1") = "6"
    & skf21("2","7","5","6","5","4","3","1") = "6"
    & skf21("2","7","5","6","5","4","4","1") = "6"
    & skf21("2","7","5","6","5","4","5","1") = "6"
    & skf21("2","7","5","6","5","4","6","1") = "6"
    & skf21("2","7","5","6","5","4","7","1") = "6"
    & skf21("2","7","5","6","5","5","1","1") = "6"
    & skf21("2","7","5","6","5","5","2","1") = "6"
    & skf21("2","7","5","6","5","5","3","1") = "6"
    & skf21("2","7","5","6","5","5","4","1") = "6"
    & skf21("2","7","5","6","5","5","5","1") = "6"
    & skf21("2","7","5","6","5","5","6","1") = "6"
    & skf21("2","7","5","6","5","5","7","1") = "6"
    & skf21("2","7","5","6","5","6","1","1") = "6"
    & skf21("2","7","5","6","5","6","2","1") = "6"
    & skf21("2","7","5","6","5","6","3","1") = "6"
    & skf21("2","7","5","6","5","6","4","1") = "6"
    & skf21("2","7","5","6","5","6","5","1") = "6"
    & skf21("2","7","5","6","5","6","6","1") = "6"
    & skf21("2","7","5","6","5","6","7","1") = "6"
    & skf21("2","7","5","6","5","7","1","1") = "6"
    & skf21("2","7","5","6","5","7","2","1") = "6"
    & skf21("2","7","5","6","5","7","3","1") = "6"
    & skf21("2","7","5","6","5","7","4","1") = "6"
    & skf21("2","7","5","6","5","7","5","1") = "6"
    & skf21("2","7","5","6","5","7","6","1") = "6"
    & skf21("2","7","5","6","5","7","7","1") = "6"
    & skf21("2","7","5","6","6","1","1","1") = "6"
    & skf21("2","7","5","6","6","1","2","1") = "6"
    & skf21("2","7","5","6","6","1","3","1") = "6"
    & skf21("2","7","5","6","6","1","4","1") = "6"
    & skf21("2","7","5","6","6","1","5","1") = "6"
    & skf21("2","7","5","6","6","1","6","1") = "6"
    & skf21("2","7","5","6","6","1","7","1") = "6"
    & skf21("2","7","5","6","6","2","1","1") = "6"
    & skf21("2","7","5","6","6","2","2","1") = "6"
    & skf21("2","7","5","6","6","2","3","1") = "6"
    & skf21("2","7","5","6","6","2","4","1") = "6"
    & skf21("2","7","5","6","6","2","5","1") = "6"
    & skf21("2","7","5","6","6","2","6","1") = "6"
    & skf21("2","7","5","6","6","2","7","1") = "6"
    & skf21("2","7","5","6","6","3","1","1") = "6"
    & skf21("2","7","5","6","6","3","2","1") = "6"
    & skf21("2","7","5","6","6","3","3","1") = "6"
    & skf21("2","7","5","6","6","3","4","1") = "6"
    & skf21("2","7","5","6","6","3","5","1") = "6"
    & skf21("2","7","5","6","6","3","6","1") = "6"
    & skf21("2","7","5","6","6","3","7","1") = "6"
    & skf21("2","7","5","6","6","4","1","1") = "6"
    & skf21("2","7","5","6","6","4","2","1") = "6"
    & skf21("2","7","5","6","6","4","3","1") = "6"
    & skf21("2","7","5","6","6","4","4","1") = "6"
    & skf21("2","7","5","6","6","4","5","1") = "6"
    & skf21("2","7","5","6","6","4","6","1") = "6"
    & skf21("2","7","5","6","6","4","7","1") = "6"
    & skf21("2","7","5","6","6","5","1","1") = "6"
    & skf21("2","7","5","6","6","5","2","1") = "6"
    & skf21("2","7","5","6","6","5","3","1") = "6"
    & skf21("2","7","5","6","6","5","4","1") = "6"
    & skf21("2","7","5","6","6","5","5","1") = "6"
    & skf21("2","7","5","6","6","5","6","1") = "6"
    & skf21("2","7","5","6","6","5","7","1") = "6"
    & skf21("2","7","5","6","6","6","1","1") = "6"
    & skf21("2","7","5","6","6","6","2","1") = "6"
    & skf21("2","7","5","6","6","6","3","1") = "6"
    & skf21("2","7","5","6","6","6","4","1") = "6"
    & skf21("2","7","5","6","6","6","5","1") = "6"
    & skf21("2","7","5","6","6","6","6","1") = "6"
    & skf21("2","7","5","6","6","6","7","1") = "6"
    & skf21("2","7","5","6","6","7","1","1") = "6"
    & skf21("2","7","5","6","6","7","2","1") = "6"
    & skf21("2","7","5","6","6","7","3","1") = "6"
    & skf21("2","7","5","6","6","7","4","1") = "6"
    & skf21("2","7","5","6","6","7","5","1") = "6"
    & skf21("2","7","5","6","6","7","6","1") = "6"
    & skf21("2","7","5","6","6","7","7","1") = "6"
    & skf21("2","7","5","6","7","1","1","1") = "6"
    & skf21("2","7","5","6","7","1","2","1") = "6"
    & skf21("2","7","5","6","7","1","3","1") = "6"
    & skf21("2","7","5","6","7","1","4","1") = "6"
    & skf21("2","7","5","6","7","1","5","1") = "6"
    & skf21("2","7","5","6","7","1","6","1") = "6"
    & skf21("2","7","5","6","7","1","7","1") = "6"
    & skf21("2","7","5","6","7","2","1","1") = "6"
    & skf21("2","7","5","6","7","2","2","1") = "6"
    & skf21("2","7","5","6","7","2","3","1") = "6"
    & skf21("2","7","5","6","7","2","4","1") = "6"
    & skf21("2","7","5","6","7","2","5","1") = "6"
    & skf21("2","7","5","6","7","2","6","1") = "6"
    & skf21("2","7","5","6","7","2","7","1") = "6"
    & skf21("2","7","5","6","7","3","1","1") = "6"
    & skf21("2","7","5","6","7","3","2","1") = "6"
    & skf21("2","7","5","6","7","3","3","1") = "6"
    & skf21("2","7","5","6","7","3","4","1") = "6"
    & skf21("2","7","5","6","7","3","5","1") = "6"
    & skf21("2","7","5","6","7","3","6","1") = "6"
    & skf21("2","7","5","6","7","3","7","1") = "6"
    & skf21("2","7","5","6","7","4","1","1") = "6"
    & skf21("2","7","5","6","7","4","2","1") = "6"
    & skf21("2","7","5","6","7","4","3","1") = "6"
    & skf21("2","7","5","6","7","4","4","1") = "6"
    & skf21("2","7","5","6","7","4","5","1") = "6"
    & skf21("2","7","5","6","7","4","6","1") = "6"
    & skf21("2","7","5","6","7","4","7","1") = "6"
    & skf21("2","7","5","6","7","5","1","1") = "6"
    & skf21("2","7","5","6","7","5","2","1") = "6"
    & skf21("2","7","5","6","7","5","3","1") = "6"
    & skf21("2","7","5","6","7","5","4","1") = "6"
    & skf21("2","7","5","6","7","5","5","1") = "6"
    & skf21("2","7","5","6","7","5","6","1") = "6"
    & skf21("2","7","5","6","7","5","7","1") = "6"
    & skf21("2","7","5","6","7","6","1","1") = "6"
    & skf21("2","7","5","6","7","6","2","1") = "6"
    & skf21("2","7","5","6","7","6","3","1") = "6"
    & skf21("2","7","5","6","7","6","4","1") = "6"
    & skf21("2","7","5","6","7","6","5","1") = "6"
    & skf21("2","7","5","6","7","6","6","1") = "6"
    & skf21("2","7","5","6","7","6","7","1") = "6"
    & skf21("2","7","5","6","7","7","1","1") = "6"
    & skf21("2","7","5","6","7","7","2","1") = "6"
    & skf21("2","7","5","6","7","7","3","1") = "6"
    & skf21("2","7","5","6","7","7","4","1") = "6"
    & skf21("2","7","5","6","7","7","5","1") = "6"
    & skf21("2","7","5","6","7","7","6","1") = "6"
    & skf21("2","7","5","6","7","7","7","1") = "6"
    & skf21("2","7","5","7","1","1","1","1") = "6"
    & skf21("2","7","5","7","1","1","2","1") = "6"
    & skf21("2","7","5","7","1","1","3","1") = "6"
    & skf21("2","7","5","7","1","1","4","1") = "6"
    & skf21("2","7","5","7","1","1","5","1") = "6"
    & skf21("2","7","5","7","1","1","6","1") = "6"
    & skf21("2","7","5","7","1","1","7","1") = "6"
    & skf21("2","7","5","7","1","2","1","1") = "6"
    & skf21("2","7","5","7","1","2","2","1") = "6"
    & skf21("2","7","5","7","1","2","3","1") = "6"
    & skf21("2","7","5","7","1","2","4","1") = "6"
    & skf21("2","7","5","7","1","2","5","1") = "6"
    & skf21("2","7","5","7","1","2","6","1") = "6"
    & skf21("2","7","5","7","1","2","7","1") = "6"
    & skf21("2","7","5","7","1","3","1","1") = "6"
    & skf21("2","7","5","7","1","3","2","1") = "6"
    & skf21("2","7","5","7","1","3","3","1") = "6"
    & skf21("2","7","5","7","1","3","4","1") = "6"
    & skf21("2","7","5","7","1","3","5","1") = "6"
    & skf21("2","7","5","7","1","3","6","1") = "6"
    & skf21("2","7","5","7","1","3","7","1") = "6"
    & skf21("2","7","5","7","1","4","1","1") = "6"
    & skf21("2","7","5","7","1","4","2","1") = "6"
    & skf21("2","7","5","7","1","4","3","1") = "6"
    & skf21("2","7","5","7","1","4","4","1") = "6"
    & skf21("2","7","5","7","1","4","5","1") = "6"
    & skf21("2","7","5","7","1","4","6","1") = "6"
    & skf21("2","7","5","7","1","4","7","1") = "6"
    & skf21("2","7","5","7","1","5","1","1") = "6"
    & skf21("2","7","5","7","1","5","2","1") = "6"
    & skf21("2","7","5","7","1","5","3","1") = "6"
    & skf21("2","7","5","7","1","5","4","1") = "6"
    & skf21("2","7","5","7","1","5","5","1") = "6"
    & skf21("2","7","5","7","1","5","6","1") = "6"
    & skf21("2","7","5","7","1","5","7","1") = "6"
    & skf21("2","7","5","7","1","6","1","1") = "6"
    & skf21("2","7","5","7","1","6","2","1") = "6"
    & skf21("2","7","5","7","1","6","3","1") = "6"
    & skf21("2","7","5","7","1","6","4","1") = "6"
    & skf21("2","7","5","7","1","6","5","1") = "6"
    & skf21("2","7","5","7","1","6","6","1") = "6"
    & skf21("2","7","5","7","1","6","7","1") = "6"
    & skf21("2","7","5","7","1","7","1","1") = "6"
    & skf21("2","7","5","7","1","7","2","1") = "6"
    & skf21("2","7","5","7","1","7","3","1") = "6"
    & skf21("2","7","5","7","1","7","4","1") = "6"
    & skf21("2","7","5","7","1","7","5","1") = "6"
    & skf21("2","7","5","7","1","7","6","1") = "6"
    & skf21("2","7","5","7","1","7","7","1") = "6"
    & skf21("2","7","5","7","2","1","1","1") = "6"
    & skf21("2","7","5","7","2","1","2","1") = "6"
    & skf21("2","7","5","7","2","1","3","1") = "6"
    & skf21("2","7","5","7","2","1","4","1") = "6"
    & skf21("2","7","5","7","2","1","5","1") = "6"
    & skf21("2","7","5","7","2","1","6","1") = "6"
    & skf21("2","7","5","7","2","1","7","1") = "6"
    & skf21("2","7","5","7","2","2","1","1") = "6"
    & skf21("2","7","5","7","2","2","2","1") = "6"
    & skf21("2","7","5","7","2","2","3","1") = "6"
    & skf21("2","7","5","7","2","2","4","1") = "6"
    & skf21("2","7","5","7","2","2","5","1") = "6"
    & skf21("2","7","5","7","2","2","6","1") = "6"
    & skf21("2","7","5","7","2","2","7","1") = "6"
    & skf21("2","7","5","7","2","3","1","1") = "6"
    & skf21("2","7","5","7","2","3","2","1") = "6"
    & skf21("2","7","5","7","2","3","3","1") = "6"
    & skf21("2","7","5","7","2","3","4","1") = "6"
    & skf21("2","7","5","7","2","3","5","1") = "6"
    & skf21("2","7","5","7","2","3","6","1") = "6"
    & skf21("2","7","5","7","2","3","7","1") = "6"
    & skf21("2","7","5","7","2","4","1","1") = "6"
    & skf21("2","7","5","7","2","4","2","1") = "6"
    & skf21("2","7","5","7","2","4","3","1") = "6"
    & skf21("2","7","5","7","2","4","4","1") = "6"
    & skf21("2","7","5","7","2","4","5","1") = "6"
    & skf21("2","7","5","7","2","4","6","1") = "6"
    & skf21("2","7","5","7","2","4","7","1") = "6"
    & skf21("2","7","5","7","2","5","1","1") = "6"
    & skf21("2","7","5","7","2","5","2","1") = "6"
    & skf21("2","7","5","7","2","5","3","1") = "6"
    & skf21("2","7","5","7","2","5","4","1") = "6"
    & skf21("2","7","5","7","2","5","5","1") = "6"
    & skf21("2","7","5","7","2","5","6","1") = "6"
    & skf21("2","7","5","7","2","5","7","1") = "6"
    & skf21("2","7","5","7","2","6","1","1") = "6"
    & skf21("2","7","5","7","2","6","2","1") = "6"
    & skf21("2","7","5","7","2","6","3","1") = "6"
    & skf21("2","7","5","7","2","6","4","1") = "6"
    & skf21("2","7","5","7","2","6","5","1") = "6"
    & skf21("2","7","5","7","2","6","6","1") = "6"
    & skf21("2","7","5","7","2","6","7","1") = "6"
    & skf21("2","7","5","7","2","7","1","1") = "6"
    & skf21("2","7","5","7","2","7","2","1") = "6"
    & skf21("2","7","5","7","2","7","3","1") = "6"
    & skf21("2","7","5","7","2","7","4","1") = "6"
    & skf21("2","7","5","7","2","7","5","1") = "6"
    & skf21("2","7","5","7","2","7","6","1") = "6"
    & skf21("2","7","5","7","2","7","7","1") = "6"
    & skf21("2","7","5","7","3","1","1","1") = "6"
    & skf21("2","7","5","7","3","1","2","1") = "6"
    & skf21("2","7","5","7","3","1","3","1") = "6"
    & skf21("2","7","5","7","3","1","4","1") = "6"
    & skf21("2","7","5","7","3","1","5","1") = "6"
    & skf21("2","7","5","7","3","1","6","1") = "6"
    & skf21("2","7","5","7","3","1","7","1") = "6"
    & skf21("2","7","5","7","3","2","1","1") = "6"
    & skf21("2","7","5","7","3","2","2","1") = "6"
    & skf21("2","7","5","7","3","2","3","1") = "6"
    & skf21("2","7","5","7","3","2","4","1") = "6"
    & skf21("2","7","5","7","3","2","5","1") = "6"
    & skf21("2","7","5","7","3","2","6","1") = "6"
    & skf21("2","7","5","7","3","2","7","1") = "6"
    & skf21("2","7","5","7","3","3","1","1") = "6"
    & skf21("2","7","5","7","3","3","2","1") = "6"
    & skf21("2","7","5","7","3","3","3","1") = "6"
    & skf21("2","7","5","7","3","3","4","1") = "6"
    & skf21("2","7","5","7","3","3","5","1") = "6"
    & skf21("2","7","5","7","3","3","6","1") = "6"
    & skf21("2","7","5","7","3","3","7","1") = "6"
    & skf21("2","7","5","7","3","4","1","1") = "6"
    & skf21("2","7","5","7","3","4","2","1") = "6"
    & skf21("2","7","5","7","3","4","3","1") = "6"
    & skf21("2","7","5","7","3","4","4","1") = "6"
    & skf21("2","7","5","7","3","4","5","1") = "6"
    & skf21("2","7","5","7","3","4","6","1") = "6"
    & skf21("2","7","5","7","3","4","7","1") = "6"
    & skf21("2","7","5","7","3","5","1","1") = "6"
    & skf21("2","7","5","7","3","5","2","1") = "6"
    & skf21("2","7","5","7","3","5","3","1") = "6"
    & skf21("2","7","5","7","3","5","4","1") = "6"
    & skf21("2","7","5","7","3","5","5","1") = "6"
    & skf21("2","7","5","7","3","5","6","1") = "6"
    & skf21("2","7","5","7","3","5","7","1") = "6"
    & skf21("2","7","5","7","3","6","1","1") = "6"
    & skf21("2","7","5","7","3","6","2","1") = "6"
    & skf21("2","7","5","7","3","6","3","1") = "6"
    & skf21("2","7","5","7","3","6","4","1") = "6"
    & skf21("2","7","5","7","3","6","5","1") = "6"
    & skf21("2","7","5","7","3","6","6","1") = "6"
    & skf21("2","7","5","7","3","6","7","1") = "6"
    & skf21("2","7","5","7","3","7","1","1") = "6"
    & skf21("2","7","5","7","3","7","2","1") = "6"
    & skf21("2","7","5","7","3","7","3","1") = "6"
    & skf21("2","7","5","7","3","7","4","1") = "6"
    & skf21("2","7","5","7","3","7","5","1") = "6"
    & skf21("2","7","5","7","3","7","6","1") = "6"
    & skf21("2","7","5","7","3","7","7","1") = "6"
    & skf21("2","7","5","7","4","1","1","1") = "6"
    & skf21("2","7","5","7","4","1","2","1") = "6"
    & skf21("2","7","5","7","4","1","3","1") = "6"
    & skf21("2","7","5","7","4","1","4","1") = "6"
    & skf21("2","7","5","7","4","1","5","1") = "6"
    & skf21("2","7","5","7","4","1","6","1") = "6"
    & skf21("2","7","5","7","4","1","7","1") = "6"
    & skf21("2","7","5","7","4","2","1","1") = "6"
    & skf21("2","7","5","7","4","2","2","1") = "6"
    & skf21("2","7","5","7","4","2","3","1") = "6"
    & skf21("2","7","5","7","4","2","4","1") = "6"
    & skf21("2","7","5","7","4","2","5","1") = "6"
    & skf21("2","7","5","7","4","2","6","1") = "6"
    & skf21("2","7","5","7","4","2","7","1") = "6"
    & skf21("2","7","5","7","4","3","1","1") = "6"
    & skf21("2","7","5","7","4","3","2","1") = "6"
    & skf21("2","7","5","7","4","3","3","1") = "6"
    & skf21("2","7","5","7","4","3","4","1") = "6"
    & skf21("2","7","5","7","4","3","5","1") = "6"
    & skf21("2","7","5","7","4","3","6","1") = "6"
    & skf21("2","7","5","7","4","3","7","1") = "6"
    & skf21("2","7","5","7","4","4","1","1") = "6"
    & skf21("2","7","5","7","4","4","2","1") = "6"
    & skf21("2","7","5","7","4","4","3","1") = "6"
    & skf21("2","7","5","7","4","4","4","1") = "6"
    & skf21("2","7","5","7","4","4","5","1") = "6"
    & skf21("2","7","5","7","4","4","6","1") = "6"
    & skf21("2","7","5","7","4","4","7","1") = "6"
    & skf21("2","7","5","7","4","5","1","1") = "6"
    & skf21("2","7","5","7","4","5","2","1") = "6"
    & skf21("2","7","5","7","4","5","3","1") = "6"
    & skf21("2","7","5","7","4","5","4","1") = "6"
    & skf21("2","7","5","7","4","5","5","1") = "6"
    & skf21("2","7","5","7","4","5","6","1") = "6"
    & skf21("2","7","5","7","4","5","7","1") = "6"
    & skf21("2","7","5","7","4","6","1","1") = "6"
    & skf21("2","7","5","7","4","6","2","1") = "6"
    & skf21("2","7","5","7","4","6","3","1") = "6"
    & skf21("2","7","5","7","4","6","4","1") = "6"
    & skf21("2","7","5","7","4","6","5","1") = "6"
    & skf21("2","7","5","7","4","6","6","1") = "6"
    & skf21("2","7","5","7","4","6","7","1") = "6"
    & skf21("2","7","5","7","4","7","1","1") = "6"
    & skf21("2","7","5","7","4","7","2","1") = "6"
    & skf21("2","7","5","7","4","7","3","1") = "6"
    & skf21("2","7","5","7","4","7","4","1") = "6"
    & skf21("2","7","5","7","4","7","5","1") = "6"
    & skf21("2","7","5","7","4","7","6","1") = "6"
    & skf21("2","7","5","7","4","7","7","1") = "6"
    & skf21("2","7","5","7","5","1","1","1") = "6"
    & skf21("2","7","5","7","5","1","2","1") = "6"
    & skf21("2","7","5","7","5","1","3","1") = "6"
    & skf21("2","7","5","7","5","1","4","1") = "6"
    & skf21("2","7","5","7","5","1","5","1") = "6"
    & skf21("2","7","5","7","5","1","6","1") = "6"
    & skf21("2","7","5","7","5","1","7","1") = "6"
    & skf21("2","7","5","7","5","2","1","1") = "6"
    & skf21("2","7","5","7","5","2","2","1") = "6"
    & skf21("2","7","5","7","5","2","3","1") = "6"
    & skf21("2","7","5","7","5","2","4","1") = "6"
    & skf21("2","7","5","7","5","2","5","1") = "6"
    & skf21("2","7","5","7","5","2","6","1") = "6"
    & skf21("2","7","5","7","5","2","7","1") = "6"
    & skf21("2","7","5","7","5","3","1","1") = "6"
    & skf21("2","7","5","7","5","3","2","1") = "6"
    & skf21("2","7","5","7","5","3","3","1") = "6"
    & skf21("2","7","5","7","5","3","4","1") = "6"
    & skf21("2","7","5","7","5","3","5","1") = "6"
    & skf21("2","7","5","7","5","3","6","1") = "6"
    & skf21("2","7","5","7","5","3","7","1") = "6"
    & skf21("2","7","5","7","5","4","1","1") = "6"
    & skf21("2","7","5","7","5","4","2","1") = "6"
    & skf21("2","7","5","7","5","4","3","1") = "6"
    & skf21("2","7","5","7","5","4","4","1") = "6"
    & skf21("2","7","5","7","5","4","5","1") = "6"
    & skf21("2","7","5","7","5","4","6","1") = "6"
    & skf21("2","7","5","7","5","4","7","1") = "6"
    & skf21("2","7","5","7","5","5","1","1") = "6"
    & skf21("2","7","5","7","5","5","2","1") = "6"
    & skf21("2","7","5","7","5","5","3","1") = "6"
    & skf21("2","7","5","7","5","5","4","1") = "6"
    & skf21("2","7","5","7","5","5","5","1") = "6"
    & skf21("2","7","5","7","5","5","6","1") = "6"
    & skf21("2","7","5","7","5","5","7","1") = "6"
    & skf21("2","7","5","7","5","6","1","1") = "6"
    & skf21("2","7","5","7","5","6","2","1") = "6"
    & skf21("2","7","5","7","5","6","3","1") = "6"
    & skf21("2","7","5","7","5","6","4","1") = "6"
    & skf21("2","7","5","7","5","6","5","1") = "6"
    & skf21("2","7","5","7","5","6","6","1") = "6"
    & skf21("2","7","5","7","5","6","7","1") = "6"
    & skf21("2","7","5","7","5","7","1","1") = "6"
    & skf21("2","7","5","7","5","7","2","1") = "6"
    & skf21("2","7","5","7","5","7","3","1") = "6"
    & skf21("2","7","5","7","5","7","4","1") = "6"
    & skf21("2","7","5","7","5","7","5","1") = "6"
    & skf21("2","7","5","7","5","7","6","1") = "6"
    & skf21("2","7","5","7","5","7","7","1") = "6"
    & skf21("2","7","5","7","6","1","1","1") = "6"
    & skf21("2","7","5","7","6","1","2","1") = "6"
    & skf21("2","7","5","7","6","1","3","1") = "6"
    & skf21("2","7","5","7","6","1","4","1") = "6"
    & skf21("2","7","5","7","6","1","5","1") = "6"
    & skf21("2","7","5","7","6","1","6","1") = "6"
    & skf21("2","7","5","7","6","1","7","1") = "6"
    & skf21("2","7","5","7","6","2","1","1") = "6"
    & skf21("2","7","5","7","6","2","2","1") = "6"
    & skf21("2","7","5","7","6","2","3","1") = "6"
    & skf21("2","7","5","7","6","2","4","1") = "6"
    & skf21("2","7","5","7","6","2","5","1") = "6"
    & skf21("2","7","5","7","6","2","6","1") = "6"
    & skf21("2","7","5","7","6","2","7","1") = "6"
    & skf21("2","7","5","7","6","3","1","1") = "6"
    & skf21("2","7","5","7","6","3","2","1") = "6"
    & skf21("2","7","5","7","6","3","3","1") = "6"
    & skf21("2","7","5","7","6","3","4","1") = "6"
    & skf21("2","7","5","7","6","3","5","1") = "6"
    & skf21("2","7","5","7","6","3","6","1") = "6"
    & skf21("2","7","5","7","6","3","7","1") = "6"
    & skf21("2","7","5","7","6","4","1","1") = "6"
    & skf21("2","7","5","7","6","4","2","1") = "6"
    & skf21("2","7","5","7","6","4","3","1") = "6"
    & skf21("2","7","5","7","6","4","4","1") = "6"
    & skf21("2","7","5","7","6","4","5","1") = "6"
    & skf21("2","7","5","7","6","4","6","1") = "6"
    & skf21("2","7","5","7","6","4","7","1") = "6"
    & skf21("2","7","5","7","6","5","1","1") = "6"
    & skf21("2","7","5","7","6","5","2","1") = "6"
    & skf21("2","7","5","7","6","5","3","1") = "6"
    & skf21("2","7","5","7","6","5","4","1") = "6"
    & skf21("2","7","5","7","6","5","5","1") = "6"
    & skf21("2","7","5","7","6","5","6","1") = "6"
    & skf21("2","7","5","7","6","5","7","1") = "6"
    & skf21("2","7","5","7","6","6","1","1") = "6"
    & skf21("2","7","5","7","6","6","2","1") = "6"
    & skf21("2","7","5","7","6","6","3","1") = "6"
    & skf21("2","7","5","7","6","6","4","1") = "6"
    & skf21("2","7","5","7","6","6","5","1") = "6"
    & skf21("2","7","5","7","6","6","6","1") = "6"
    & skf21("2","7","5","7","6","6","7","1") = "6"
    & skf21("2","7","5","7","6","7","1","1") = "6"
    & skf21("2","7","5","7","6","7","2","1") = "6"
    & skf21("2","7","5","7","6","7","3","1") = "6"
    & skf21("2","7","5","7","6","7","4","1") = "6"
    & skf21("2","7","5","7","6","7","5","1") = "6"
    & skf21("2","7","5","7","6","7","6","1") = "6"
    & skf21("2","7","5","7","6","7","7","1") = "6"
    & skf21("2","7","5","7","7","1","1","1") = "6"
    & skf21("2","7","5","7","7","1","2","1") = "6"
    & skf21("2","7","5","7","7","1","3","1") = "6"
    & skf21("2","7","5","7","7","1","4","1") = "6"
    & skf21("2","7","5","7","7","1","5","1") = "6"
    & skf21("2","7","5","7","7","1","6","1") = "6"
    & skf21("2","7","5","7","7","1","7","1") = "6"
    & skf21("2","7","5","7","7","2","1","1") = "6"
    & skf21("2","7","5","7","7","2","2","1") = "6"
    & skf21("2","7","5","7","7","2","3","1") = "6"
    & skf21("2","7","5","7","7","2","4","1") = "6"
    & skf21("2","7","5","7","7","2","5","1") = "6"
    & skf21("2","7","5","7","7","2","6","1") = "6"
    & skf21("2","7","5","7","7","2","7","1") = "6"
    & skf21("2","7","5","7","7","3","1","1") = "6"
    & skf21("2","7","5","7","7","3","2","1") = "6"
    & skf21("2","7","5","7","7","3","3","1") = "6"
    & skf21("2","7","5","7","7","3","4","1") = "6"
    & skf21("2","7","5","7","7","3","5","1") = "6"
    & skf21("2","7","5","7","7","3","6","1") = "6"
    & skf21("2","7","5","7","7","3","7","1") = "6"
    & skf21("2","7","5","7","7","4","1","1") = "6"
    & skf21("2","7","5","7","7","4","2","1") = "6"
    & skf21("2","7","5","7","7","4","3","1") = "6"
    & skf21("2","7","5","7","7","4","4","1") = "6"
    & skf21("2","7","5","7","7","4","5","1") = "6"
    & skf21("2","7","5","7","7","4","6","1") = "6"
    & skf21("2","7","5","7","7","4","7","1") = "6"
    & skf21("2","7","5","7","7","5","1","1") = "6"
    & skf21("2","7","5","7","7","5","2","1") = "6"
    & skf21("2","7","5","7","7","5","3","1") = "6"
    & skf21("2","7","5","7","7","5","4","1") = "6"
    & skf21("2","7","5","7","7","5","5","1") = "6"
    & skf21("2","7","5","7","7","5","6","1") = "6"
    & skf21("2","7","5","7","7","5","7","1") = "6"
    & skf21("2","7","5","7","7","6","1","1") = "6"
    & skf21("2","7","5","7","7","6","2","1") = "6"
    & skf21("2","7","5","7","7","6","3","1") = "6"
    & skf21("2","7","5","7","7","6","4","1") = "6"
    & skf21("2","7","5","7","7","6","5","1") = "6"
    & skf21("2","7","5","7","7","6","6","1") = "6"
    & skf21("2","7","5","7","7","6","7","1") = "6"
    & skf21("2","7","5","7","7","7","1","1") = "6"
    & skf21("2","7","5","7","7","7","2","1") = "6"
    & skf21("2","7","5","7","7","7","3","1") = "6"
    & skf21("2","7","5","7","7","7","4","1") = "6"
    & skf21("2","7","5","7","7","7","5","1") = "6"
    & skf21("2","7","5","7","7","7","6","1") = "6"
    & skf21("2","7","5","7","7","7","7","1") = "6"
    & skf21("2","7","6","1","1","1","1","1") = "6"
    & skf21("2","7","6","1","1","1","2","1") = "6"
    & skf21("2","7","6","1","1","1","3","1") = "6"
    & skf21("2","7","6","1","1","1","4","1") = "6"
    & skf21("2","7","6","1","1","1","5","1") = "6"
    & skf21("2","7","6","1","1","1","6","1") = "6"
    & skf21("2","7","6","1","1","1","7","1") = "6"
    & skf21("2","7","6","1","1","2","1","1") = "6"
    & skf21("2","7","6","1","1","2","2","1") = "6"
    & skf21("2","7","6","1","1","2","3","1") = "6"
    & skf21("2","7","6","1","1","2","4","1") = "6"
    & skf21("2","7","6","1","1","2","5","1") = "6"
    & skf21("2","7","6","1","1","2","6","1") = "6"
    & skf21("2","7","6","1","1","2","7","1") = "6"
    & skf21("2","7","6","1","1","3","1","1") = "6"
    & skf21("2","7","6","1","1","3","2","1") = "6"
    & skf21("2","7","6","1","1","3","3","1") = "6"
    & skf21("2","7","6","1","1","3","4","1") = "6"
    & skf21("2","7","6","1","1","3","5","1") = "6"
    & skf21("2","7","6","1","1","3","6","1") = "6"
    & skf21("2","7","6","1","1","3","7","1") = "6"
    & skf21("2","7","6","1","1","4","1","1") = "6"
    & skf21("2","7","6","1","1","4","2","1") = "6"
    & skf21("2","7","6","1","1","4","3","1") = "6"
    & skf21("2","7","6","1","1","4","4","1") = "6"
    & skf21("2","7","6","1","1","4","5","1") = "6"
    & skf21("2","7","6","1","1","4","6","1") = "6"
    & skf21("2","7","6","1","1","4","7","1") = "6"
    & skf21("2","7","6","1","1","5","1","1") = "6"
    & skf21("2","7","6","1","1","5","2","1") = "6"
    & skf21("2","7","6","1","1","5","3","1") = "6"
    & skf21("2","7","6","1","1","5","4","1") = "6"
    & skf21("2","7","6","1","1","5","5","1") = "6"
    & skf21("2","7","6","1","1","5","6","1") = "6"
    & skf21("2","7","6","1","1","5","7","1") = "6"
    & skf21("2","7","6","1","1","6","1","1") = "6"
    & skf21("2","7","6","1","1","6","2","1") = "6"
    & skf21("2","7","6","1","1","6","3","1") = "6"
    & skf21("2","7","6","1","1","6","4","1") = "6"
    & skf21("2","7","6","1","1","6","5","1") = "6"
    & skf21("2","7","6","1","1","6","6","1") = "6"
    & skf21("2","7","6","1","1","6","7","1") = "6"
    & skf21("2","7","6","1","1","7","1","1") = "6"
    & skf21("2","7","6","1","1","7","2","1") = "6"
    & skf21("2","7","6","1","1","7","3","1") = "6"
    & skf21("2","7","6","1","1","7","4","1") = "6"
    & skf21("2","7","6","1","1","7","5","1") = "6"
    & skf21("2","7","6","1","1","7","6","1") = "6"
    & skf21("2","7","6","1","1","7","7","1") = "6"
    & skf21("2","7","6","1","2","1","1","1") = "6"
    & skf21("2","7","6","1","2","1","2","1") = "6"
    & skf21("2","7","6","1","2","1","3","1") = "6"
    & skf21("2","7","6","1","2","1","4","1") = "6"
    & skf21("2","7","6","1","2","1","5","1") = "6"
    & skf21("2","7","6","1","2","1","6","1") = "6"
    & skf21("2","7","6","1","2","1","7","1") = "6"
    & skf21("2","7","6","1","2","2","1","1") = "6"
    & skf21("2","7","6","1","2","2","2","1") = "6"
    & skf21("2","7","6","1","2","2","3","1") = "6"
    & skf21("2","7","6","1","2","2","4","1") = "6"
    & skf21("2","7","6","1","2","2","5","1") = "6"
    & skf21("2","7","6","1","2","2","6","1") = "6"
    & skf21("2","7","6","1","2","2","7","1") = "6"
    & skf21("2","7","6","1","2","3","1","1") = "6"
    & skf21("2","7","6","1","2","3","2","1") = "6"
    & skf21("2","7","6","1","2","3","3","1") = "6"
    & skf21("2","7","6","1","2","3","4","1") = "6"
    & skf21("2","7","6","1","2","3","5","1") = "6"
    & skf21("2","7","6","1","2","3","6","1") = "6"
    & skf21("2","7","6","1","2","3","7","1") = "6"
    & skf21("2","7","6","1","2","4","1","1") = "6"
    & skf21("2","7","6","1","2","4","2","1") = "6"
    & skf21("2","7","6","1","2","4","3","1") = "6"
    & skf21("2","7","6","1","2","4","4","1") = "6"
    & skf21("2","7","6","1","2","4","5","1") = "6"
    & skf21("2","7","6","1","2","4","6","1") = "6"
    & skf21("2","7","6","1","2","4","7","1") = "6"
    & skf21("2","7","6","1","2","5","1","1") = "6"
    & skf21("2","7","6","1","2","5","2","1") = "6"
    & skf21("2","7","6","1","2","5","3","1") = "6"
    & skf21("2","7","6","1","2","5","4","1") = "6"
    & skf21("2","7","6","1","2","5","5","1") = "6"
    & skf21("2","7","6","1","2","5","6","1") = "6"
    & skf21("2","7","6","1","2","5","7","1") = "6"
    & skf21("2","7","6","1","2","6","1","1") = "6"
    & skf21("2","7","6","1","2","6","2","1") = "6"
    & skf21("2","7","6","1","2","6","3","1") = "6"
    & skf21("2","7","6","1","2","6","4","1") = "6"
    & skf21("2","7","6","1","2","6","5","1") = "6"
    & skf21("2","7","6","1","2","6","6","1") = "6"
    & skf21("2","7","6","1","2","6","7","1") = "6"
    & skf21("2","7","6","1","2","7","1","1") = "6"
    & skf21("2","7","6","1","2","7","2","1") = "6"
    & skf21("2","7","6","1","2","7","3","1") = "6"
    & skf21("2","7","6","1","2","7","4","1") = "6"
    & skf21("2","7","6","1","2","7","5","1") = "6"
    & skf21("2","7","6","1","2","7","6","1") = "6"
    & skf21("2","7","6","1","2","7","7","1") = "6"
    & skf21("2","7","6","1","3","1","1","1") = "6"
    & skf21("2","7","6","1","3","1","2","1") = "6"
    & skf21("2","7","6","1","3","1","3","1") = "6"
    & skf21("2","7","6","1","3","1","4","1") = "6"
    & skf21("2","7","6","1","3","1","5","1") = "6"
    & skf21("2","7","6","1","3","1","6","1") = "6"
    & skf21("2","7","6","1","3","1","7","1") = "6"
    & skf21("2","7","6","1","3","2","1","1") = "6"
    & skf21("2","7","6","1","3","2","2","1") = "6"
    & skf21("2","7","6","1","3","2","3","1") = "6"
    & skf21("2","7","6","1","3","2","4","1") = "6"
    & skf21("2","7","6","1","3","2","5","1") = "6"
    & skf21("2","7","6","1","3","2","6","1") = "6"
    & skf21("2","7","6","1","3","2","7","1") = "6"
    & skf21("2","7","6","1","3","3","1","1") = "6"
    & skf21("2","7","6","1","3","3","2","1") = "6"
    & skf21("2","7","6","1","3","3","3","1") = "6"
    & skf21("2","7","6","1","3","3","4","1") = "6"
    & skf21("2","7","6","1","3","3","5","1") = "6"
    & skf21("2","7","6","1","3","3","6","1") = "6"
    & skf21("2","7","6","1","3","3","7","1") = "6"
    & skf21("2","7","6","1","3","4","1","1") = "6"
    & skf21("2","7","6","1","3","4","2","1") = "6"
    & skf21("2","7","6","1","3","4","3","1") = "6"
    & skf21("2","7","6","1","3","4","4","1") = "6"
    & skf21("2","7","6","1","3","4","5","1") = "6"
    & skf21("2","7","6","1","3","4","6","1") = "6"
    & skf21("2","7","6","1","3","4","7","1") = "6"
    & skf21("2","7","6","1","3","5","1","1") = "6"
    & skf21("2","7","6","1","3","5","2","1") = "6"
    & skf21("2","7","6","1","3","5","3","1") = "6"
    & skf21("2","7","6","1","3","5","4","1") = "6"
    & skf21("2","7","6","1","3","5","5","1") = "6"
    & skf21("2","7","6","1","3","5","6","1") = "6"
    & skf21("2","7","6","1","3","5","7","1") = "6"
    & skf21("2","7","6","1","3","6","1","1") = "6"
    & skf21("2","7","6","1","3","6","2","1") = "6"
    & skf21("2","7","6","1","3","6","3","1") = "6"
    & skf21("2","7","6","1","3","6","4","1") = "6"
    & skf21("2","7","6","1","3","6","5","1") = "6"
    & skf21("2","7","6","1","3","6","6","1") = "6"
    & skf21("2","7","6","1","3","6","7","1") = "6"
    & skf21("2","7","6","1","3","7","1","1") = "6"
    & skf21("2","7","6","1","3","7","2","1") = "6"
    & skf21("2","7","6","1","3","7","3","1") = "6"
    & skf21("2","7","6","1","3","7","4","1") = "6"
    & skf21("2","7","6","1","3","7","5","1") = "6"
    & skf21("2","7","6","1","3","7","6","1") = "6"
    & skf21("2","7","6","1","3","7","7","1") = "6"
    & skf21("2","7","6","1","4","1","1","1") = "6"
    & skf21("2","7","6","1","4","1","2","1") = "6"
    & skf21("2","7","6","1","4","1","3","1") = "6"
    & skf21("2","7","6","1","4","1","4","1") = "6"
    & skf21("2","7","6","1","4","1","5","1") = "6"
    & skf21("2","7","6","1","4","1","6","1") = "6"
    & skf21("2","7","6","1","4","1","7","1") = "6"
    & skf21("2","7","6","1","4","2","1","1") = "6"
    & skf21("2","7","6","1","4","2","2","1") = "6"
    & skf21("2","7","6","1","4","2","3","1") = "6"
    & skf21("2","7","6","1","4","2","4","1") = "6"
    & skf21("2","7","6","1","4","2","5","1") = "6"
    & skf21("2","7","6","1","4","2","6","1") = "6"
    & skf21("2","7","6","1","4","2","7","1") = "6"
    & skf21("2","7","6","1","4","3","1","1") = "6"
    & skf21("2","7","6","1","4","3","2","1") = "6"
    & skf21("2","7","6","1","4","3","3","1") = "6"
    & skf21("2","7","6","1","4","3","4","1") = "6"
    & skf21("2","7","6","1","4","3","5","1") = "6"
    & skf21("2","7","6","1","4","3","6","1") = "6"
    & skf21("2","7","6","1","4","3","7","1") = "6"
    & skf21("2","7","6","1","4","4","1","1") = "6"
    & skf21("2","7","6","1","4","4","2","1") = "6"
    & skf21("2","7","6","1","4","4","3","1") = "6"
    & skf21("2","7","6","1","4","4","4","1") = "6"
    & skf21("2","7","6","1","4","4","5","1") = "6"
    & skf21("2","7","6","1","4","4","6","1") = "6"
    & skf21("2","7","6","1","4","4","7","1") = "6"
    & skf21("2","7","6","1","4","5","1","1") = "6"
    & skf21("2","7","6","1","4","5","2","1") = "6"
    & skf21("2","7","6","1","4","5","3","1") = "6"
    & skf21("2","7","6","1","4","5","4","1") = "6"
    & skf21("2","7","6","1","4","5","5","1") = "6"
    & skf21("2","7","6","1","4","5","6","1") = "6"
    & skf21("2","7","6","1","4","5","7","1") = "6"
    & skf21("2","7","6","1","4","6","1","1") = "6"
    & skf21("2","7","6","1","4","6","2","1") = "6"
    & skf21("2","7","6","1","4","6","3","1") = "6"
    & skf21("2","7","6","1","4","6","4","1") = "6"
    & skf21("2","7","6","1","4","6","5","1") = "6"
    & skf21("2","7","6","1","4","6","6","1") = "6"
    & skf21("2","7","6","1","4","6","7","1") = "6"
    & skf21("2","7","6","1","4","7","1","1") = "6"
    & skf21("2","7","6","1","4","7","2","1") = "6"
    & skf21("2","7","6","1","4","7","3","1") = "6"
    & skf21("2","7","6","1","4","7","4","1") = "6"
    & skf21("2","7","6","1","4","7","5","1") = "6"
    & skf21("2","7","6","1","4","7","6","1") = "6"
    & skf21("2","7","6","1","4","7","7","1") = "6"
    & skf21("2","7","6","1","5","1","1","1") = "6"
    & skf21("2","7","6","1","5","1","2","1") = "6"
    & skf21("2","7","6","1","5","1","3","1") = "6"
    & skf21("2","7","6","1","5","1","4","1") = "6"
    & skf21("2","7","6","1","5","1","5","1") = "6"
    & skf21("2","7","6","1","5","1","6","1") = "6"
    & skf21("2","7","6","1","5","1","7","1") = "6"
    & skf21("2","7","6","1","5","2","1","1") = "6"
    & skf21("2","7","6","1","5","2","2","1") = "6"
    & skf21("2","7","6","1","5","2","3","1") = "6"
    & skf21("2","7","6","1","5","2","4","1") = "6"
    & skf21("2","7","6","1","5","2","5","1") = "6"
    & skf21("2","7","6","1","5","2","6","1") = "6"
    & skf21("2","7","6","1","5","2","7","1") = "6"
    & skf21("2","7","6","1","5","3","1","1") = "6"
    & skf21("2","7","6","1","5","3","2","1") = "6"
    & skf21("2","7","6","1","5","3","3","1") = "6"
    & skf21("2","7","6","1","5","3","4","1") = "6"
    & skf21("2","7","6","1","5","3","5","1") = "6"
    & skf21("2","7","6","1","5","3","6","1") = "6"
    & skf21("2","7","6","1","5","3","7","1") = "6"
    & skf21("2","7","6","1","5","4","1","1") = "6"
    & skf21("2","7","6","1","5","4","2","1") = "6"
    & skf21("2","7","6","1","5","4","3","1") = "6"
    & skf21("2","7","6","1","5","4","4","1") = "6"
    & skf21("2","7","6","1","5","4","5","1") = "6"
    & skf21("2","7","6","1","5","4","6","1") = "6"
    & skf21("2","7","6","1","5","4","7","1") = "6"
    & skf21("2","7","6","1","5","5","1","1") = "6"
    & skf21("2","7","6","1","5","5","2","1") = "6"
    & skf21("2","7","6","1","5","5","3","1") = "6"
    & skf21("2","7","6","1","5","5","4","1") = "6"
    & skf21("2","7","6","1","5","5","5","1") = "6"
    & skf21("2","7","6","1","5","5","6","1") = "6"
    & skf21("2","7","6","1","5","5","7","1") = "6"
    & skf21("2","7","6","1","5","6","1","1") = "6"
    & skf21("2","7","6","1","5","6","2","1") = "6"
    & skf21("2","7","6","1","5","6","3","1") = "6"
    & skf21("2","7","6","1","5","6","4","1") = "6"
    & skf21("2","7","6","1","5","6","5","1") = "6"
    & skf21("2","7","6","1","5","6","6","1") = "6"
    & skf21("2","7","6","1","5","6","7","1") = "6"
    & skf21("2","7","6","1","5","7","1","1") = "6"
    & skf21("2","7","6","1","5","7","2","1") = "6"
    & skf21("2","7","6","1","5","7","3","1") = "6"
    & skf21("2","7","6","1","5","7","4","1") = "6"
    & skf21("2","7","6","1","5","7","5","1") = "6"
    & skf21("2","7","6","1","5","7","6","1") = "6"
    & skf21("2","7","6","1","5","7","7","1") = "6"
    & skf21("2","7","6","1","6","1","1","1") = "6"
    & skf21("2","7","6","1","6","1","2","1") = "6"
    & skf21("2","7","6","1","6","1","3","1") = "6"
    & skf21("2","7","6","1","6","1","4","1") = "6"
    & skf21("2","7","6","1","6","1","5","1") = "6"
    & skf21("2","7","6","1","6","1","6","1") = "6"
    & skf21("2","7","6","1","6","1","7","1") = "6"
    & skf21("2","7","6","1","6","2","1","1") = "6"
    & skf21("2","7","6","1","6","2","2","1") = "6"
    & skf21("2","7","6","1","6","2","3","1") = "6"
    & skf21("2","7","6","1","6","2","4","1") = "6"
    & skf21("2","7","6","1","6","2","5","1") = "6"
    & skf21("2","7","6","1","6","2","6","1") = "6"
    & skf21("2","7","6","1","6","2","7","1") = "6"
    & skf21("2","7","6","1","6","3","1","1") = "6"
    & skf21("2","7","6","1","6","3","2","1") = "6"
    & skf21("2","7","6","1","6","3","3","1") = "6"
    & skf21("2","7","6","1","6","3","4","1") = "6"
    & skf21("2","7","6","1","6","3","5","1") = "6"
    & skf21("2","7","6","1","6","3","6","1") = "6"
    & skf21("2","7","6","1","6","3","7","1") = "6"
    & skf21("2","7","6","1","6","4","1","1") = "6"
    & skf21("2","7","6","1","6","4","2","1") = "6"
    & skf21("2","7","6","1","6","4","3","1") = "6"
    & skf21("2","7","6","1","6","4","4","1") = "6"
    & skf21("2","7","6","1","6","4","5","1") = "6"
    & skf21("2","7","6","1","6","4","6","1") = "6"
    & skf21("2","7","6","1","6","4","7","1") = "6"
    & skf21("2","7","6","1","6","5","1","1") = "6"
    & skf21("2","7","6","1","6","5","2","1") = "6"
    & skf21("2","7","6","1","6","5","3","1") = "6"
    & skf21("2","7","6","1","6","5","4","1") = "6"
    & skf21("2","7","6","1","6","5","5","1") = "6"
    & skf21("2","7","6","1","6","5","6","1") = "6"
    & skf21("2","7","6","1","6","5","7","1") = "6"
    & skf21("2","7","6","1","6","6","1","1") = "6"
    & skf21("2","7","6","1","6","6","2","1") = "6"
    & skf21("2","7","6","1","6","6","3","1") = "6"
    & skf21("2","7","6","1","6","6","4","1") = "6"
    & skf21("2","7","6","1","6","6","5","1") = "6"
    & skf21("2","7","6","1","6","6","6","1") = "6"
    & skf21("2","7","6","1","6","6","7","1") = "6"
    & skf21("2","7","6","1","6","7","1","1") = "6"
    & skf21("2","7","6","1","6","7","2","1") = "6"
    & skf21("2","7","6","1","6","7","3","1") = "6"
    & skf21("2","7","6","1","6","7","4","1") = "6"
    & skf21("2","7","6","1","6","7","5","1") = "6"
    & skf21("2","7","6","1","6","7","6","1") = "6"
    & skf21("2","7","6","1","6","7","7","1") = "6"
    & skf21("2","7","6","1","7","1","1","1") = "6"
    & skf21("2","7","6","1","7","1","2","1") = "6"
    & skf21("2","7","6","1","7","1","3","1") = "6"
    & skf21("2","7","6","1","7","1","4","1") = "6"
    & skf21("2","7","6","1","7","1","5","1") = "6"
    & skf21("2","7","6","1","7","1","6","1") = "6"
    & skf21("2","7","6","1","7","1","7","1") = "6"
    & skf21("2","7","6","1","7","2","1","1") = "6"
    & skf21("2","7","6","1","7","2","2","1") = "6"
    & skf21("2","7","6","1","7","2","3","1") = "6"
    & skf21("2","7","6","1","7","2","4","1") = "6"
    & skf21("2","7","6","1","7","2","5","1") = "6"
    & skf21("2","7","6","1","7","2","6","1") = "6"
    & skf21("2","7","6","1","7","2","7","1") = "6"
    & skf21("2","7","6","1","7","3","1","1") = "6"
    & skf21("2","7","6","1","7","3","2","1") = "6"
    & skf21("2","7","6","1","7","3","3","1") = "6"
    & skf21("2","7","6","1","7","3","4","1") = "6"
    & skf21("2","7","6","1","7","3","5","1") = "6"
    & skf21("2","7","6","1","7","3","6","1") = "6"
    & skf21("2","7","6","1","7","3","7","1") = "6"
    & skf21("2","7","6","1","7","4","1","1") = "6"
    & skf21("2","7","6","1","7","4","2","1") = "6"
    & skf21("2","7","6","1","7","4","3","1") = "6"
    & skf21("2","7","6","1","7","4","4","1") = "6"
    & skf21("2","7","6","1","7","4","5","1") = "6"
    & skf21("2","7","6","1","7","4","6","1") = "6"
    & skf21("2","7","6","1","7","4","7","1") = "6"
    & skf21("2","7","6","1","7","5","1","1") = "6"
    & skf21("2","7","6","1","7","5","2","1") = "6"
    & skf21("2","7","6","1","7","5","3","1") = "6"
    & skf21("2","7","6","1","7","5","4","1") = "6"
    & skf21("2","7","6","1","7","5","5","1") = "6"
    & skf21("2","7","6","1","7","5","6","1") = "6"
    & skf21("2","7","6","1","7","5","7","1") = "6"
    & skf21("2","7","6","1","7","6","1","1") = "6"
    & skf21("2","7","6","1","7","6","2","1") = "6"
    & skf21("2","7","6","1","7","6","3","1") = "6"
    & skf21("2","7","6","1","7","6","4","1") = "6"
    & skf21("2","7","6","1","7","6","5","1") = "6"
    & skf21("2","7","6","1","7","6","6","1") = "6"
    & skf21("2","7","6","1","7","6","7","1") = "6"
    & skf21("2","7","6","1","7","7","1","1") = "6"
    & skf21("2","7","6","1","7","7","2","1") = "6"
    & skf21("2","7","6","1","7","7","3","1") = "6"
    & skf21("2","7","6","1","7","7","4","1") = "6"
    & skf21("2","7","6","1","7","7","5","1") = "6"
    & skf21("2","7","6","1","7","7","6","1") = "6"
    & skf21("2","7","6","1","7","7","7","1") = "6"
    & skf21("2","7","6","2","1","1","1","1") = "6"
    & skf21("2","7","6","2","1","1","2","1") = "6"
    & skf21("2","7","6","2","1","1","3","1") = "6"
    & skf21("2","7","6","2","1","1","4","1") = "6"
    & skf21("2","7","6","2","1","1","5","1") = "6"
    & skf21("2","7","6","2","1","1","6","1") = "6"
    & skf21("2","7","6","2","1","1","7","1") = "6"
    & skf21("2","7","6","2","1","2","1","1") = "6"
    & skf21("2","7","6","2","1","2","2","1") = "6"
    & skf21("2","7","6","2","1","2","3","1") = "6"
    & skf21("2","7","6","2","1","2","4","1") = "6"
    & skf21("2","7","6","2","1","2","5","1") = "6"
    & skf21("2","7","6","2","1","2","6","1") = "6"
    & skf21("2","7","6","2","1","2","7","1") = "6"
    & skf21("2","7","6","2","1","3","1","1") = "6"
    & skf21("2","7","6","2","1","3","2","1") = "6"
    & skf21("2","7","6","2","1","3","3","1") = "6"
    & skf21("2","7","6","2","1","3","4","1") = "6"
    & skf21("2","7","6","2","1","3","5","1") = "6"
    & skf21("2","7","6","2","1","3","6","1") = "6"
    & skf21("2","7","6","2","1","3","7","1") = "6"
    & skf21("2","7","6","2","1","4","1","1") = "6"
    & skf21("2","7","6","2","1","4","2","1") = "6"
    & skf21("2","7","6","2","1","4","3","1") = "6"
    & skf21("2","7","6","2","1","4","4","1") = "6"
    & skf21("2","7","6","2","1","4","5","1") = "6"
    & skf21("2","7","6","2","1","4","6","1") = "6"
    & skf21("2","7","6","2","1","4","7","1") = "6"
    & skf21("2","7","6","2","1","5","1","1") = "6"
    & skf21("2","7","6","2","1","5","2","1") = "6"
    & skf21("2","7","6","2","1","5","3","1") = "6"
    & skf21("2","7","6","2","1","5","4","1") = "6"
    & skf21("2","7","6","2","1","5","5","1") = "6"
    & skf21("2","7","6","2","1","5","6","1") = "6"
    & skf21("2","7","6","2","1","5","7","1") = "6"
    & skf21("2","7","6","2","1","6","1","1") = "6"
    & skf21("2","7","6","2","1","6","2","1") = "6"
    & skf21("2","7","6","2","1","6","3","1") = "6"
    & skf21("2","7","6","2","1","6","4","1") = "6"
    & skf21("2","7","6","2","1","6","5","1") = "6"
    & skf21("2","7","6","2","1","6","6","1") = "6"
    & skf21("2","7","6","2","1","6","7","1") = "6"
    & skf21("2","7","6","2","1","7","1","1") = "6"
    & skf21("2","7","6","2","1","7","2","1") = "6"
    & skf21("2","7","6","2","1","7","3","1") = "6"
    & skf21("2","7","6","2","1","7","4","1") = "6"
    & skf21("2","7","6","2","1","7","5","1") = "6"
    & skf21("2","7","6","2","1","7","6","1") = "6"
    & skf21("2","7","6","2","1","7","7","1") = "6"
    & skf21("2","7","6","2","2","1","1","1") = "6"
    & skf21("2","7","6","2","2","1","2","1") = "6"
    & skf21("2","7","6","2","2","1","3","1") = "6"
    & skf21("2","7","6","2","2","1","4","1") = "6"
    & skf21("2","7","6","2","2","1","5","1") = "6"
    & skf21("2","7","6","2","2","1","6","1") = "6"
    & skf21("2","7","6","2","2","1","7","1") = "6"
    & skf21("2","7","6","2","2","2","1","1") = "6"
    & skf21("2","7","6","2","2","2","2","1") = "6"
    & skf21("2","7","6","2","2","2","3","1") = "6"
    & skf21("2","7","6","2","2","2","4","1") = "6"
    & skf21("2","7","6","2","2","2","5","1") = "6"
    & skf21("2","7","6","2","2","2","6","1") = "6"
    & skf21("2","7","6","2","2","2","7","1") = "6"
    & skf21("2","7","6","2","2","3","1","1") = "6"
    & skf21("2","7","6","2","2","3","2","1") = "6"
    & skf21("2","7","6","2","2","3","3","1") = "6"
    & skf21("2","7","6","2","2","3","4","1") = "6"
    & skf21("2","7","6","2","2","3","5","1") = "6"
    & skf21("2","7","6","2","2","3","6","1") = "6"
    & skf21("2","7","6","2","2","3","7","1") = "6"
    & skf21("2","7","6","2","2","4","1","1") = "6"
    & skf21("2","7","6","2","2","4","2","1") = "6"
    & skf21("2","7","6","2","2","4","3","1") = "6"
    & skf21("2","7","6","2","2","4","4","1") = "6"
    & skf21("2","7","6","2","2","4","5","1") = "6"
    & skf21("2","7","6","2","2","4","6","1") = "6"
    & skf21("2","7","6","2","2","4","7","1") = "6"
    & skf21("2","7","6","2","2","5","1","1") = "6"
    & skf21("2","7","6","2","2","5","2","1") = "6"
    & skf21("2","7","6","2","2","5","3","1") = "6"
    & skf21("2","7","6","2","2","5","4","1") = "6"
    & skf21("2","7","6","2","2","5","5","1") = "6"
    & skf21("2","7","6","2","2","5","6","1") = "6"
    & skf21("2","7","6","2","2","5","7","1") = "6"
    & skf21("2","7","6","2","2","6","1","1") = "6"
    & skf21("2","7","6","2","2","6","2","1") = "6"
    & skf21("2","7","6","2","2","6","3","1") = "6"
    & skf21("2","7","6","2","2","6","4","1") = "6"
    & skf21("2","7","6","2","2","6","5","1") = "6"
    & skf21("2","7","6","2","2","6","6","1") = "6"
    & skf21("2","7","6","2","2","6","7","1") = "6"
    & skf21("2","7","6","2","2","7","1","1") = "6"
    & skf21("2","7","6","2","2","7","2","1") = "6"
    & skf21("2","7","6","2","2","7","3","1") = "6"
    & skf21("2","7","6","2","2","7","4","1") = "6"
    & skf21("2","7","6","2","2","7","5","1") = "6"
    & skf21("2","7","6","2","2","7","6","1") = "6"
    & skf21("2","7","6","2","2","7","7","1") = "6"
    & skf21("2","7","6","2","3","1","1","1") = "6"
    & skf21("2","7","6","2","3","1","2","1") = "6"
    & skf21("2","7","6","2","3","1","3","1") = "6"
    & skf21("2","7","6","2","3","1","4","1") = "6"
    & skf21("2","7","6","2","3","1","5","1") = "6"
    & skf21("2","7","6","2","3","1","6","1") = "6"
    & skf21("2","7","6","2","3","1","7","1") = "6"
    & skf21("2","7","6","2","3","2","1","1") = "6"
    & skf21("2","7","6","2","3","2","2","1") = "6"
    & skf21("2","7","6","2","3","2","3","1") = "6"
    & skf21("2","7","6","2","3","2","4","1") = "6"
    & skf21("2","7","6","2","3","2","5","1") = "6"
    & skf21("2","7","6","2","3","2","6","1") = "6"
    & skf21("2","7","6","2","3","2","7","1") = "6"
    & skf21("2","7","6","2","3","3","1","1") = "6"
    & skf21("2","7","6","2","3","3","2","1") = "6"
    & skf21("2","7","6","2","3","3","3","1") = "6"
    & skf21("2","7","6","2","3","3","4","1") = "6"
    & skf21("2","7","6","2","3","3","5","1") = "6"
    & skf21("2","7","6","2","3","3","6","1") = "6"
    & skf21("2","7","6","2","3","3","7","1") = "6"
    & skf21("2","7","6","2","3","4","1","1") = "6"
    & skf21("2","7","6","2","3","4","2","1") = "6"
    & skf21("2","7","6","2","3","4","3","1") = "6"
    & skf21("2","7","6","2","3","4","4","1") = "6"
    & skf21("2","7","6","2","3","4","5","1") = "6"
    & skf21("2","7","6","2","3","4","6","1") = "6"
    & skf21("2","7","6","2","3","4","7","1") = "6"
    & skf21("2","7","6","2","3","5","1","1") = "6"
    & skf21("2","7","6","2","3","5","2","1") = "6"
    & skf21("2","7","6","2","3","5","3","1") = "6"
    & skf21("2","7","6","2","3","5","4","1") = "6"
    & skf21("2","7","6","2","3","5","5","1") = "6"
    & skf21("2","7","6","2","3","5","6","1") = "6"
    & skf21("2","7","6","2","3","5","7","1") = "6"
    & skf21("2","7","6","2","3","6","1","1") = "6"
    & skf21("2","7","6","2","3","6","2","1") = "6"
    & skf21("2","7","6","2","3","6","3","1") = "6"
    & skf21("2","7","6","2","3","6","4","1") = "6"
    & skf21("2","7","6","2","3","6","5","1") = "6"
    & skf21("2","7","6","2","3","6","6","1") = "6"
    & skf21("2","7","6","2","3","6","7","1") = "6"
    & skf21("2","7","6","2","3","7","1","1") = "6"
    & skf21("2","7","6","2","3","7","2","1") = "6"
    & skf21("2","7","6","2","3","7","3","1") = "6"
    & skf21("2","7","6","2","3","7","4","1") = "6"
    & skf21("2","7","6","2","3","7","5","1") = "6"
    & skf21("2","7","6","2","3","7","6","1") = "6"
    & skf21("2","7","6","2","3","7","7","1") = "6"
    & skf21("2","7","6","2","4","1","1","1") = "6"
    & skf21("2","7","6","2","4","1","2","1") = "6"
    & skf21("2","7","6","2","4","1","3","1") = "6"
    & skf21("2","7","6","2","4","1","4","1") = "6"
    & skf21("2","7","6","2","4","1","5","1") = "6"
    & skf21("2","7","6","2","4","1","6","1") = "6"
    & skf21("2","7","6","2","4","1","7","1") = "6"
    & skf21("2","7","6","2","4","2","1","1") = "6"
    & skf21("2","7","6","2","4","2","2","1") = "6"
    & skf21("2","7","6","2","4","2","3","1") = "6"
    & skf21("2","7","6","2","4","2","4","1") = "6"
    & skf21("2","7","6","2","4","2","5","1") = "6"
    & skf21("2","7","6","2","4","2","6","1") = "6"
    & skf21("2","7","6","2","4","2","7","1") = "6"
    & skf21("2","7","6","2","4","3","1","1") = "6"
    & skf21("2","7","6","2","4","3","2","1") = "6"
    & skf21("2","7","6","2","4","3","3","1") = "6"
    & skf21("2","7","6","2","4","3","4","1") = "6"
    & skf21("2","7","6","2","4","3","5","1") = "6"
    & skf21("2","7","6","2","4","3","6","1") = "6"
    & skf21("2","7","6","2","4","3","7","1") = "6"
    & skf21("2","7","6","2","4","4","1","1") = "6"
    & skf21("2","7","6","2","4","4","2","1") = "6"
    & skf21("2","7","6","2","4","4","3","1") = "6"
    & skf21("2","7","6","2","4","4","4","1") = "6"
    & skf21("2","7","6","2","4","4","5","1") = "6"
    & skf21("2","7","6","2","4","4","6","1") = "6"
    & skf21("2","7","6","2","4","4","7","1") = "6"
    & skf21("2","7","6","2","4","5","1","1") = "6"
    & skf21("2","7","6","2","4","5","2","1") = "6"
    & skf21("2","7","6","2","4","5","3","1") = "6"
    & skf21("2","7","6","2","4","5","4","1") = "6"
    & skf21("2","7","6","2","4","5","5","1") = "6"
    & skf21("2","7","6","2","4","5","6","1") = "6"
    & skf21("2","7","6","2","4","5","7","1") = "6"
    & skf21("2","7","6","2","4","6","1","1") = "6"
    & skf21("2","7","6","2","4","6","2","1") = "6"
    & skf21("2","7","6","2","4","6","3","1") = "6"
    & skf21("2","7","6","2","4","6","4","1") = "6"
    & skf21("2","7","6","2","4","6","5","1") = "6"
    & skf21("2","7","6","2","4","6","6","1") = "6"
    & skf21("2","7","6","2","4","6","7","1") = "6"
    & skf21("2","7","6","2","4","7","1","1") = "6"
    & skf21("2","7","6","2","4","7","2","1") = "6"
    & skf21("2","7","6","2","4","7","3","1") = "6"
    & skf21("2","7","6","2","4","7","4","1") = "6"
    & skf21("2","7","6","2","4","7","5","1") = "6"
    & skf21("2","7","6","2","4","7","6","1") = "6"
    & skf21("2","7","6","2","4","7","7","1") = "6"
    & skf21("2","7","6","2","5","1","1","1") = "6"
    & skf21("2","7","6","2","5","1","2","1") = "6"
    & skf21("2","7","6","2","5","1","3","1") = "6"
    & skf21("2","7","6","2","5","1","4","1") = "6"
    & skf21("2","7","6","2","5","1","5","1") = "6"
    & skf21("2","7","6","2","5","1","6","1") = "6"
    & skf21("2","7","6","2","5","1","7","1") = "6"
    & skf21("2","7","6","2","5","2","1","1") = "6"
    & skf21("2","7","6","2","5","2","2","1") = "6"
    & skf21("2","7","6","2","5","2","3","1") = "6"
    & skf21("2","7","6","2","5","2","4","1") = "6"
    & skf21("2","7","6","2","5","2","5","1") = "6"
    & skf21("2","7","6","2","5","2","6","1") = "6"
    & skf21("2","7","6","2","5","2","7","1") = "6"
    & skf21("2","7","6","2","5","3","1","1") = "6"
    & skf21("2","7","6","2","5","3","2","1") = "6"
    & skf21("2","7","6","2","5","3","3","1") = "6"
    & skf21("2","7","6","2","5","3","4","1") = "6"
    & skf21("2","7","6","2","5","3","5","1") = "6"
    & skf21("2","7","6","2","5","3","6","1") = "6"
    & skf21("2","7","6","2","5","3","7","1") = "6"
    & skf21("2","7","6","2","5","4","1","1") = "6"
    & skf21("2","7","6","2","5","4","2","1") = "6"
    & skf21("2","7","6","2","5","4","3","1") = "6"
    & skf21("2","7","6","2","5","4","4","1") = "6"
    & skf21("2","7","6","2","5","4","5","1") = "6"
    & skf21("2","7","6","2","5","4","6","1") = "6"
    & skf21("2","7","6","2","5","4","7","1") = "6"
    & skf21("2","7","6","2","5","5","1","1") = "6"
    & skf21("2","7","6","2","5","5","2","1") = "6"
    & skf21("2","7","6","2","5","5","3","1") = "6"
    & skf21("2","7","6","2","5","5","4","1") = "6"
    & skf21("2","7","6","2","5","5","5","1") = "6"
    & skf21("2","7","6","2","5","5","6","1") = "6"
    & skf21("2","7","6","2","5","5","7","1") = "6"
    & skf21("2","7","6","2","5","6","1","1") = "6"
    & skf21("2","7","6","2","5","6","2","1") = "6"
    & skf21("2","7","6","2","5","6","3","1") = "6"
    & skf21("2","7","6","2","5","6","4","1") = "6"
    & skf21("2","7","6","2","5","6","5","1") = "6"
    & skf21("2","7","6","2","5","6","6","1") = "6"
    & skf21("2","7","6","2","5","6","7","1") = "6"
    & skf21("2","7","6","2","5","7","1","1") = "6"
    & skf21("2","7","6","2","5","7","2","1") = "6"
    & skf21("2","7","6","2","5","7","3","1") = "6"
    & skf21("2","7","6","2","5","7","4","1") = "6"
    & skf21("2","7","6","2","5","7","5","1") = "6"
    & skf21("2","7","6","2","5","7","6","1") = "6"
    & skf21("2","7","6","2","5","7","7","1") = "6"
    & skf21("2","7","6","2","6","1","1","1") = "6"
    & skf21("2","7","6","2","6","1","2","1") = "6"
    & skf21("2","7","6","2","6","1","3","1") = "6"
    & skf21("2","7","6","2","6","1","4","1") = "6"
    & skf21("2","7","6","2","6","1","5","1") = "6"
    & skf21("2","7","6","2","6","1","6","1") = "6"
    & skf21("2","7","6","2","6","1","7","1") = "6"
    & skf21("2","7","6","2","6","2","1","1") = "6"
    & skf21("2","7","6","2","6","2","2","1") = "6"
    & skf21("2","7","6","2","6","2","3","1") = "6"
    & skf21("2","7","6","2","6","2","4","1") = "6"
    & skf21("2","7","6","2","6","2","5","1") = "6"
    & skf21("2","7","6","2","6","2","6","1") = "6"
    & skf21("2","7","6","2","6","2","7","1") = "6"
    & skf21("2","7","6","2","6","3","1","1") = "6"
    & skf21("2","7","6","2","6","3","2","1") = "6"
    & skf21("2","7","6","2","6","3","3","1") = "6"
    & skf21("2","7","6","2","6","3","4","1") = "6"
    & skf21("2","7","6","2","6","3","5","1") = "6"
    & skf21("2","7","6","2","6","3","6","1") = "6"
    & skf21("2","7","6","2","6","3","7","1") = "6"
    & skf21("2","7","6","2","6","4","1","1") = "6"
    & skf21("2","7","6","2","6","4","2","1") = "6"
    & skf21("2","7","6","2","6","4","3","1") = "6"
    & skf21("2","7","6","2","6","4","4","1") = "6"
    & skf21("2","7","6","2","6","4","5","1") = "6"
    & skf21("2","7","6","2","6","4","6","1") = "6"
    & skf21("2","7","6","2","6","4","7","1") = "6"
    & skf21("2","7","6","2","6","5","1","1") = "6"
    & skf21("2","7","6","2","6","5","2","1") = "6"
    & skf21("2","7","6","2","6","5","3","1") = "6"
    & skf21("2","7","6","2","6","5","4","1") = "6"
    & skf21("2","7","6","2","6","5","5","1") = "6"
    & skf21("2","7","6","2","6","5","6","1") = "6"
    & skf21("2","7","6","2","6","5","7","1") = "6"
    & skf21("2","7","6","2","6","6","1","1") = "6"
    & skf21("2","7","6","2","6","6","2","1") = "6"
    & skf21("2","7","6","2","6","6","3","1") = "6"
    & skf21("2","7","6","2","6","6","4","1") = "6"
    & skf21("2","7","6","2","6","6","5","1") = "6"
    & skf21("2","7","6","2","6","6","6","1") = "6"
    & skf21("2","7","6","2","6","6","7","1") = "6"
    & skf21("2","7","6","2","6","7","1","1") = "6"
    & skf21("2","7","6","2","6","7","2","1") = "6"
    & skf21("2","7","6","2","6","7","3","1") = "6"
    & skf21("2","7","6","2","6","7","4","1") = "6"
    & skf21("2","7","6","2","6","7","5","1") = "6"
    & skf21("2","7","6","2","6","7","6","1") = "6"
    & skf21("2","7","6","2","6","7","7","1") = "6"
    & skf21("2","7","6","2","7","1","1","1") = "6"
    & skf21("2","7","6","2","7","1","2","1") = "6"
    & skf21("2","7","6","2","7","1","3","1") = "6"
    & skf21("2","7","6","2","7","1","4","1") = "6"
    & skf21("2","7","6","2","7","1","5","1") = "6"
    & skf21("2","7","6","2","7","1","6","1") = "6"
    & skf21("2","7","6","2","7","1","7","1") = "6"
    & skf21("2","7","6","2","7","2","1","1") = "6"
    & skf21("2","7","6","2","7","2","2","1") = "6"
    & skf21("2","7","6","2","7","2","3","1") = "6"
    & skf21("2","7","6","2","7","2","4","1") = "6"
    & skf21("2","7","6","2","7","2","5","1") = "6"
    & skf21("2","7","6","2","7","2","6","1") = "6"
    & skf21("2","7","6","2","7","2","7","1") = "6"
    & skf21("2","7","6","2","7","3","1","1") = "6"
    & skf21("2","7","6","2","7","3","2","1") = "6"
    & skf21("2","7","6","2","7","3","3","1") = "6"
    & skf21("2","7","6","2","7","3","4","1") = "6"
    & skf21("2","7","6","2","7","3","5","1") = "6"
    & skf21("2","7","6","2","7","3","6","1") = "6"
    & skf21("2","7","6","2","7","3","7","1") = "6"
    & skf21("2","7","6","2","7","4","1","1") = "6"
    & skf21("2","7","6","2","7","4","2","1") = "6"
    & skf21("2","7","6","2","7","4","3","1") = "6"
    & skf21("2","7","6","2","7","4","4","1") = "6"
    & skf21("2","7","6","2","7","4","5","1") = "6"
    & skf21("2","7","6","2","7","4","6","1") = "6"
    & skf21("2","7","6","2","7","4","7","1") = "6"
    & skf21("2","7","6","2","7","5","1","1") = "6"
    & skf21("2","7","6","2","7","5","2","1") = "6"
    & skf21("2","7","6","2","7","5","3","1") = "6"
    & skf21("2","7","6","2","7","5","4","1") = "6"
    & skf21("2","7","6","2","7","5","5","1") = "6"
    & skf21("2","7","6","2","7","5","6","1") = "6"
    & skf21("2","7","6","2","7","5","7","1") = "6"
    & skf21("2","7","6","2","7","6","1","1") = "6"
    & skf21("2","7","6","2","7","6","2","1") = "6"
    & skf21("2","7","6","2","7","6","3","1") = "6"
    & skf21("2","7","6","2","7","6","4","1") = "6"
    & skf21("2","7","6","2","7","6","5","1") = "6"
    & skf21("2","7","6","2","7","6","6","1") = "6"
    & skf21("2","7","6","2","7","6","7","1") = "6"
    & skf21("2","7","6","2","7","7","1","1") = "6"
    & skf21("2","7","6","2","7","7","2","1") = "6"
    & skf21("2","7","6","2","7","7","3","1") = "6"
    & skf21("2","7","6","2","7","7","4","1") = "6"
    & skf21("2","7","6","2","7","7","5","1") = "6"
    & skf21("2","7","6","2","7","7","6","1") = "6"
    & skf21("2","7","6","2","7","7","7","1") = "6"
    & skf21("2","7","6","3","1","1","1","1") = "6"
    & skf21("2","7","6","3","1","1","2","1") = "6"
    & skf21("2","7","6","3","1","1","3","1") = "6"
    & skf21("2","7","6","3","1","1","4","1") = "6"
    & skf21("2","7","6","3","1","1","5","1") = "6"
    & skf21("2","7","6","3","1","1","6","1") = "6"
    & skf21("2","7","6","3","1","1","7","1") = "6"
    & skf21("2","7","6","3","1","2","1","1") = "6"
    & skf21("2","7","6","3","1","2","2","1") = "6"
    & skf21("2","7","6","3","1","2","3","1") = "6"
    & skf21("2","7","6","3","1","2","4","1") = "6"
    & skf21("2","7","6","3","1","2","5","1") = "6"
    & skf21("2","7","6","3","1","2","6","1") = "6"
    & skf21("2","7","6","3","1","2","7","1") = "6"
    & skf21("2","7","6","3","1","3","1","1") = "6"
    & skf21("2","7","6","3","1","3","2","1") = "6"
    & skf21("2","7","6","3","1","3","3","1") = "6"
    & skf21("2","7","6","3","1","3","4","1") = "6"
    & skf21("2","7","6","3","1","3","5","1") = "6"
    & skf21("2","7","6","3","1","3","6","1") = "6"
    & skf21("2","7","6","3","1","3","7","1") = "6"
    & skf21("2","7","6","3","1","4","1","1") = "6"
    & skf21("2","7","6","3","1","4","2","1") = "6"
    & skf21("2","7","6","3","1","4","3","1") = "6"
    & skf21("2","7","6","3","1","4","4","1") = "6"
    & skf21("2","7","6","3","1","4","5","1") = "6"
    & skf21("2","7","6","3","1","4","6","1") = "6"
    & skf21("2","7","6","3","1","4","7","1") = "6"
    & skf21("2","7","6","3","1","5","1","1") = "6"
    & skf21("2","7","6","3","1","5","2","1") = "6"
    & skf21("2","7","6","3","1","5","3","1") = "6"
    & skf21("2","7","6","3","1","5","4","1") = "6"
    & skf21("2","7","6","3","1","5","5","1") = "6"
    & skf21("2","7","6","3","1","5","6","1") = "6"
    & skf21("2","7","6","3","1","5","7","1") = "6"
    & skf21("2","7","6","3","1","6","1","1") = "6"
    & skf21("2","7","6","3","1","6","2","1") = "6"
    & skf21("2","7","6","3","1","6","3","1") = "6"
    & skf21("2","7","6","3","1","6","4","1") = "6"
    & skf21("2","7","6","3","1","6","5","1") = "6"
    & skf21("2","7","6","3","1","6","6","1") = "6"
    & skf21("2","7","6","3","1","6","7","1") = "6"
    & skf21("2","7","6","3","1","7","1","1") = "6"
    & skf21("2","7","6","3","1","7","2","1") = "6"
    & skf21("2","7","6","3","1","7","3","1") = "6"
    & skf21("2","7","6","3","1","7","4","1") = "6"
    & skf21("2","7","6","3","1","7","5","1") = "6"
    & skf21("2","7","6","3","1","7","6","1") = "6"
    & skf21("2","7","6","3","1","7","7","1") = "6"
    & skf21("2","7","6","3","2","1","1","1") = "6"
    & skf21("2","7","6","3","2","1","2","1") = "6"
    & skf21("2","7","6","3","2","1","3","1") = "6"
    & skf21("2","7","6","3","2","1","4","1") = "6"
    & skf21("2","7","6","3","2","1","5","1") = "6"
    & skf21("2","7","6","3","2","1","6","1") = "6"
    & skf21("2","7","6","3","2","1","7","1") = "6"
    & skf21("2","7","6","3","2","2","1","1") = "6"
    & skf21("2","7","6","3","2","2","2","1") = "6"
    & skf21("2","7","6","3","2","2","3","1") = "6"
    & skf21("2","7","6","3","2","2","4","1") = "6"
    & skf21("2","7","6","3","2","2","5","1") = "6"
    & skf21("2","7","6","3","2","2","6","1") = "6"
    & skf21("2","7","6","3","2","2","7","1") = "6"
    & skf21("2","7","6","3","2","3","1","1") = "6"
    & skf21("2","7","6","3","2","3","2","1") = "6"
    & skf21("2","7","6","3","2","3","3","1") = "6"
    & skf21("2","7","6","3","2","3","4","1") = "6"
    & skf21("2","7","6","3","2","3","5","1") = "6"
    & skf21("2","7","6","3","2","3","6","1") = "6"
    & skf21("2","7","6","3","2","3","7","1") = "6"
    & skf21("2","7","6","3","2","4","1","1") = "6"
    & skf21("2","7","6","3","2","4","2","1") = "6"
    & skf21("2","7","6","3","2","4","3","1") = "6"
    & skf21("2","7","6","3","2","4","4","1") = "6"
    & skf21("2","7","6","3","2","4","5","1") = "6"
    & skf21("2","7","6","3","2","4","6","1") = "6"
    & skf21("2","7","6","3","2","4","7","1") = "6"
    & skf21("2","7","6","3","2","5","1","1") = "6"
    & skf21("2","7","6","3","2","5","2","1") = "6"
    & skf21("2","7","6","3","2","5","3","1") = "6"
    & skf21("2","7","6","3","2","5","4","1") = "6"
    & skf21("2","7","6","3","2","5","5","1") = "6"
    & skf21("2","7","6","3","2","5","6","1") = "6"
    & skf21("2","7","6","3","2","5","7","1") = "6"
    & skf21("2","7","6","3","2","6","1","1") = "6"
    & skf21("2","7","6","3","2","6","2","1") = "6"
    & skf21("2","7","6","3","2","6","3","1") = "6"
    & skf21("2","7","6","3","2","6","4","1") = "6"
    & skf21("2","7","6","3","2","6","5","1") = "6"
    & skf21("2","7","6","3","2","6","6","1") = "6"
    & skf21("2","7","6","3","2","6","7","1") = "6"
    & skf21("2","7","6","3","2","7","1","1") = "6"
    & skf21("2","7","6","3","2","7","2","1") = "6"
    & skf21("2","7","6","3","2","7","3","1") = "6"
    & skf21("2","7","6","3","2","7","4","1") = "6"
    & skf21("2","7","6","3","2","7","5","1") = "6"
    & skf21("2","7","6","3","2","7","6","1") = "6"
    & skf21("2","7","6","3","2","7","7","1") = "6"
    & skf21("2","7","6","3","3","1","1","1") = "6"
    & skf21("2","7","6","3","3","1","2","1") = "6"
    & skf21("2","7","6","3","3","1","3","1") = "6"
    & skf21("2","7","6","3","3","1","4","1") = "6"
    & skf21("2","7","6","3","3","1","5","1") = "6"
    & skf21("2","7","6","3","3","1","6","1") = "6"
    & skf21("2","7","6","3","3","1","7","1") = "6"
    & skf21("2","7","6","3","3","2","1","1") = "6"
    & skf21("2","7","6","3","3","2","2","1") = "6"
    & skf21("2","7","6","3","3","2","3","1") = "6"
    & skf21("2","7","6","3","3","2","4","1") = "6"
    & skf21("2","7","6","3","3","2","5","1") = "6"
    & skf21("2","7","6","3","3","2","6","1") = "6"
    & skf21("2","7","6","3","3","2","7","1") = "6"
    & skf21("2","7","6","3","3","3","1","1") = "6"
    & skf21("2","7","6","3","3","3","2","1") = "6"
    & skf21("2","7","6","3","3","3","3","1") = "6"
    & skf21("2","7","6","3","3","3","4","1") = "6"
    & skf21("2","7","6","3","3","3","5","1") = "6"
    & skf21("2","7","6","3","3","3","6","1") = "6"
    & skf21("2","7","6","3","3","3","7","1") = "6"
    & skf21("2","7","6","3","3","4","1","1") = "6"
    & skf21("2","7","6","3","3","4","2","1") = "6"
    & skf21("2","7","6","3","3","4","3","1") = "6"
    & skf21("2","7","6","3","3","4","4","1") = "6"
    & skf21("2","7","6","3","3","4","5","1") = "6"
    & skf21("2","7","6","3","3","4","6","1") = "6"
    & skf21("2","7","6","3","3","4","7","1") = "6"
    & skf21("2","7","6","3","3","5","1","1") = "6"
    & skf21("2","7","6","3","3","5","2","1") = "6"
    & skf21("2","7","6","3","3","5","3","1") = "6"
    & skf21("2","7","6","3","3","5","4","1") = "6"
    & skf21("2","7","6","3","3","5","5","1") = "6"
    & skf21("2","7","6","3","3","5","6","1") = "6"
    & skf21("2","7","6","3","3","5","7","1") = "6"
    & skf21("2","7","6","3","3","6","1","1") = "6"
    & skf21("2","7","6","3","3","6","2","1") = "6"
    & skf21("2","7","6","3","3","6","3","1") = "6"
    & skf21("2","7","6","3","3","6","4","1") = "6"
    & skf21("2","7","6","3","3","6","5","1") = "6"
    & skf21("2","7","6","3","3","6","6","1") = "6"
    & skf21("2","7","6","3","3","6","7","1") = "6"
    & skf21("2","7","6","3","3","7","1","1") = "6"
    & skf21("2","7","6","3","3","7","2","1") = "6"
    & skf21("2","7","6","3","3","7","3","1") = "6"
    & skf21("2","7","6","3","3","7","4","1") = "6"
    & skf21("2","7","6","3","3","7","5","1") = "6"
    & skf21("2","7","6","3","3","7","6","1") = "6"
    & skf21("2","7","6","3","3","7","7","1") = "6"
    & skf21("2","7","6","3","4","1","1","1") = "6"
    & skf21("2","7","6","3","4","1","2","1") = "6"
    & skf21("2","7","6","3","4","1","3","1") = "6"
    & skf21("2","7","6","3","4","1","4","1") = "6"
    & skf21("2","7","6","3","4","1","5","1") = "6"
    & skf21("2","7","6","3","4","1","6","1") = "6"
    & skf21("2","7","6","3","4","1","7","1") = "6"
    & skf21("2","7","6","3","4","2","1","1") = "6"
    & skf21("2","7","6","3","4","2","2","1") = "6"
    & skf21("2","7","6","3","4","2","3","1") = "6"
    & skf21("2","7","6","3","4","2","4","1") = "6"
    & skf21("2","7","6","3","4","2","5","1") = "6"
    & skf21("2","7","6","3","4","2","6","1") = "6"
    & skf21("2","7","6","3","4","2","7","1") = "6"
    & skf21("2","7","6","3","4","3","1","1") = "6"
    & skf21("2","7","6","3","4","3","2","1") = "6"
    & skf21("2","7","6","3","4","3","3","1") = "6"
    & skf21("2","7","6","3","4","3","4","1") = "6"
    & skf21("2","7","6","3","4","3","5","1") = "6"
    & skf21("2","7","6","3","4","3","6","1") = "6"
    & skf21("2","7","6","3","4","3","7","1") = "6"
    & skf21("2","7","6","3","4","4","1","1") = "6"
    & skf21("2","7","6","3","4","4","2","1") = "6"
    & skf21("2","7","6","3","4","4","3","1") = "6"
    & skf21("2","7","6","3","4","4","4","1") = "6"
    & skf21("2","7","6","3","4","4","5","1") = "6"
    & skf21("2","7","6","3","4","4","6","1") = "6"
    & skf21("2","7","6","3","4","4","7","1") = "6"
    & skf21("2","7","6","3","4","5","1","1") = "6"
    & skf21("2","7","6","3","4","5","2","1") = "6"
    & skf21("2","7","6","3","4","5","3","1") = "6"
    & skf21("2","7","6","3","4","5","4","1") = "6"
    & skf21("2","7","6","3","4","5","5","1") = "6"
    & skf21("2","7","6","3","4","5","6","1") = "6"
    & skf21("2","7","6","3","4","5","7","1") = "6"
    & skf21("2","7","6","3","4","6","1","1") = "6"
    & skf21("2","7","6","3","4","6","2","1") = "6"
    & skf21("2","7","6","3","4","6","3","1") = "6"
    & skf21("2","7","6","3","4","6","4","1") = "6"
    & skf21("2","7","6","3","4","6","5","1") = "6"
    & skf21("2","7","6","3","4","6","6","1") = "6"
    & skf21("2","7","6","3","4","6","7","1") = "6"
    & skf21("2","7","6","3","4","7","1","1") = "6"
    & skf21("2","7","6","3","4","7","2","1") = "6"
    & skf21("2","7","6","3","4","7","3","1") = "6"
    & skf21("2","7","6","3","4","7","4","1") = "6"
    & skf21("2","7","6","3","4","7","5","1") = "6"
    & skf21("2","7","6","3","4","7","6","1") = "6"
    & skf21("2","7","6","3","4","7","7","1") = "6"
    & skf21("2","7","6","3","5","1","1","1") = "6"
    & skf21("2","7","6","3","5","1","2","1") = "6"
    & skf21("2","7","6","3","5","1","3","1") = "6"
    & skf21("2","7","6","3","5","1","4","1") = "6"
    & skf21("2","7","6","3","5","1","5","1") = "6"
    & skf21("2","7","6","3","5","1","6","1") = "6"
    & skf21("2","7","6","3","5","1","7","1") = "6"
    & skf21("2","7","6","3","5","2","1","1") = "6"
    & skf21("2","7","6","3","5","2","2","1") = "6"
    & skf21("2","7","6","3","5","2","3","1") = "6"
    & skf21("2","7","6","3","5","2","4","1") = "6"
    & skf21("2","7","6","3","5","2","5","1") = "6"
    & skf21("2","7","6","3","5","2","6","1") = "6"
    & skf21("2","7","6","3","5","2","7","1") = "6"
    & skf21("2","7","6","3","5","3","1","1") = "6"
    & skf21("2","7","6","3","5","3","2","1") = "6"
    & skf21("2","7","6","3","5","3","3","1") = "6"
    & skf21("2","7","6","3","5","3","4","1") = "6"
    & skf21("2","7","6","3","5","3","5","1") = "6"
    & skf21("2","7","6","3","5","3","6","1") = "6"
    & skf21("2","7","6","3","5","3","7","1") = "6"
    & skf21("2","7","6","3","5","4","1","1") = "6"
    & skf21("2","7","6","3","5","4","2","1") = "6"
    & skf21("2","7","6","3","5","4","3","1") = "6"
    & skf21("2","7","6","3","5","4","4","1") = "6"
    & skf21("2","7","6","3","5","4","5","1") = "6"
    & skf21("2","7","6","3","5","4","6","1") = "6"
    & skf21("2","7","6","3","5","4","7","1") = "6"
    & skf21("2","7","6","3","5","5","1","1") = "6"
    & skf21("2","7","6","3","5","5","2","1") = "6"
    & skf21("2","7","6","3","5","5","3","1") = "6"
    & skf21("2","7","6","3","5","5","4","1") = "6"
    & skf21("2","7","6","3","5","5","5","1") = "6"
    & skf21("2","7","6","3","5","5","6","1") = "6"
    & skf21("2","7","6","3","5","5","7","1") = "6"
    & skf21("2","7","6","3","5","6","1","1") = "6"
    & skf21("2","7","6","3","5","6","2","1") = "6"
    & skf21("2","7","6","3","5","6","3","1") = "6"
    & skf21("2","7","6","3","5","6","4","1") = "6"
    & skf21("2","7","6","3","5","6","5","1") = "6"
    & skf21("2","7","6","3","5","6","6","1") = "6"
    & skf21("2","7","6","3","5","6","7","1") = "6"
    & skf21("2","7","6","3","5","7","1","1") = "6"
    & skf21("2","7","6","3","5","7","2","1") = "6"
    & skf21("2","7","6","3","5","7","3","1") = "6"
    & skf21("2","7","6","3","5","7","4","1") = "6"
    & skf21("2","7","6","3","5","7","5","1") = "6"
    & skf21("2","7","6","3","5","7","6","1") = "6"
    & skf21("2","7","6","3","5","7","7","1") = "6"
    & skf21("2","7","6","3","6","1","1","1") = "6"
    & skf21("2","7","6","3","6","1","2","1") = "6"
    & skf21("2","7","6","3","6","1","3","1") = "6"
    & skf21("2","7","6","3","6","1","4","1") = "6"
    & skf21("2","7","6","3","6","1","5","1") = "6"
    & skf21("2","7","6","3","6","1","6","1") = "6"
    & skf21("2","7","6","3","6","1","7","1") = "6"
    & skf21("2","7","6","3","6","2","1","1") = "6"
    & skf21("2","7","6","3","6","2","2","1") = "6"
    & skf21("2","7","6","3","6","2","3","1") = "6"
    & skf21("2","7","6","3","6","2","4","1") = "6"
    & skf21("2","7","6","3","6","2","5","1") = "6"
    & skf21("2","7","6","3","6","2","6","1") = "6"
    & skf21("2","7","6","3","6","2","7","1") = "6"
    & skf21("2","7","6","3","6","3","1","1") = "6"
    & skf21("2","7","6","3","6","3","2","1") = "6"
    & skf21("2","7","6","3","6","3","3","1") = "6"
    & skf21("2","7","6","3","6","3","4","1") = "6"
    & skf21("2","7","6","3","6","3","5","1") = "6"
    & skf21("2","7","6","3","6","3","6","1") = "6"
    & skf21("2","7","6","3","6","3","7","1") = "6"
    & skf21("2","7","6","3","6","4","1","1") = "6"
    & skf21("2","7","6","3","6","4","2","1") = "6"
    & skf21("2","7","6","3","6","4","3","1") = "6"
    & skf21("2","7","6","3","6","4","4","1") = "6"
    & skf21("2","7","6","3","6","4","5","1") = "6"
    & skf21("2","7","6","3","6","4","6","1") = "6"
    & skf21("2","7","6","3","6","4","7","1") = "6"
    & skf21("2","7","6","3","6","5","1","1") = "6"
    & skf21("2","7","6","3","6","5","2","1") = "6"
    & skf21("2","7","6","3","6","5","3","1") = "6"
    & skf21("2","7","6","3","6","5","4","1") = "6"
    & skf21("2","7","6","3","6","5","5","1") = "6"
    & skf21("2","7","6","3","6","5","6","1") = "6"
    & skf21("2","7","6","3","6","5","7","1") = "6"
    & skf21("2","7","6","3","6","6","1","1") = "6"
    & skf21("2","7","6","3","6","6","2","1") = "6"
    & skf21("2","7","6","3","6","6","3","1") = "6"
    & skf21("2","7","6","3","6","6","4","1") = "6"
    & skf21("2","7","6","3","6","6","5","1") = "6"
    & skf21("2","7","6","3","6","6","6","1") = "6"
    & skf21("2","7","6","3","6","6","7","1") = "6"
    & skf21("2","7","6","3","6","7","1","1") = "6"
    & skf21("2","7","6","3","6","7","2","1") = "6"
    & skf21("2","7","6","3","6","7","3","1") = "6"
    & skf21("2","7","6","3","6","7","4","1") = "6"
    & skf21("2","7","6","3","6","7","5","1") = "6"
    & skf21("2","7","6","3","6","7","6","1") = "6"
    & skf21("2","7","6","3","6","7","7","1") = "6"
    & skf21("2","7","6","3","7","1","1","1") = "6"
    & skf21("2","7","6","3","7","1","2","1") = "6"
    & skf21("2","7","6","3","7","1","3","1") = "6"
    & skf21("2","7","6","3","7","1","4","1") = "6"
    & skf21("2","7","6","3","7","1","5","1") = "6"
    & skf21("2","7","6","3","7","1","6","1") = "6"
    & skf21("2","7","6","3","7","1","7","1") = "6"
    & skf21("2","7","6","3","7","2","1","1") = "6"
    & skf21("2","7","6","3","7","2","2","1") = "6"
    & skf21("2","7","6","3","7","2","3","1") = "6"
    & skf21("2","7","6","3","7","2","4","1") = "6"
    & skf21("2","7","6","3","7","2","5","1") = "6"
    & skf21("2","7","6","3","7","2","6","1") = "6"
    & skf21("2","7","6","3","7","2","7","1") = "6"
    & skf21("2","7","6","3","7","3","1","1") = "6"
    & skf21("2","7","6","3","7","3","2","1") = "6"
    & skf21("2","7","6","3","7","3","3","1") = "6"
    & skf21("2","7","6","3","7","3","4","1") = "6"
    & skf21("2","7","6","3","7","3","5","1") = "6"
    & skf21("2","7","6","3","7","3","6","1") = "6"
    & skf21("2","7","6","3","7","3","7","1") = "6"
    & skf21("2","7","6","3","7","4","1","1") = "6"
    & skf21("2","7","6","3","7","4","2","1") = "6"
    & skf21("2","7","6","3","7","4","3","1") = "6"
    & skf21("2","7","6","3","7","4","4","1") = "6"
    & skf21("2","7","6","3","7","4","5","1") = "6"
    & skf21("2","7","6","3","7","4","6","1") = "6"
    & skf21("2","7","6","3","7","4","7","1") = "6"
    & skf21("2","7","6","3","7","5","1","1") = "6"
    & skf21("2","7","6","3","7","5","2","1") = "6"
    & skf21("2","7","6","3","7","5","3","1") = "6"
    & skf21("2","7","6","3","7","5","4","1") = "6"
    & skf21("2","7","6","3","7","5","5","1") = "6"
    & skf21("2","7","6","3","7","5","6","1") = "6"
    & skf21("2","7","6","3","7","5","7","1") = "6"
    & skf21("2","7","6","3","7","6","1","1") = "6"
    & skf21("2","7","6","3","7","6","2","1") = "6"
    & skf21("2","7","6","3","7","6","3","1") = "6"
    & skf21("2","7","6","3","7","6","4","1") = "6"
    & skf21("2","7","6","3","7","6","5","1") = "6"
    & skf21("2","7","6","3","7","6","6","1") = "6"
    & skf21("2","7","6","3","7","6","7","1") = "6"
    & skf21("2","7","6","3","7","7","1","1") = "6"
    & skf21("2","7","6","3","7","7","2","1") = "6"
    & skf21("2","7","6","3","7","7","3","1") = "6"
    & skf21("2","7","6","3","7","7","4","1") = "6"
    & skf21("2","7","6","3","7","7","5","1") = "6"
    & skf21("2","7","6","3","7","7","6","1") = "6"
    & skf21("2","7","6","3","7","7","7","1") = "6"
    & skf21("2","7","6","4","1","1","1","1") = "6"
    & skf21("2","7","6","4","1","1","2","1") = "6"
    & skf21("2","7","6","4","1","1","3","1") = "6"
    & skf21("2","7","6","4","1","1","4","1") = "6"
    & skf21("2","7","6","4","1","1","5","1") = "6"
    & skf21("2","7","6","4","1","1","6","1") = "6"
    & skf21("2","7","6","4","1","1","7","1") = "6"
    & skf21("2","7","6","4","1","2","1","1") = "6"
    & skf21("2","7","6","4","1","2","2","1") = "6"
    & skf21("2","7","6","4","1","2","3","1") = "6"
    & skf21("2","7","6","4","1","2","4","1") = "6"
    & skf21("2","7","6","4","1","2","5","1") = "6"
    & skf21("2","7","6","4","1","2","6","1") = "6"
    & skf21("2","7","6","4","1","2","7","1") = "6"
    & skf21("2","7","6","4","1","3","1","1") = "6"
    & skf21("2","7","6","4","1","3","2","1") = "6"
    & skf21("2","7","6","4","1","3","3","1") = "6"
    & skf21("2","7","6","4","1","3","4","1") = "6"
    & skf21("2","7","6","4","1","3","5","1") = "6"
    & skf21("2","7","6","4","1","3","6","1") = "6"
    & skf21("2","7","6","4","1","3","7","1") = "6"
    & skf21("2","7","6","4","1","4","1","1") = "6"
    & skf21("2","7","6","4","1","4","2","1") = "6"
    & skf21("2","7","6","4","1","4","3","1") = "6"
    & skf21("2","7","6","4","1","4","4","1") = "6"
    & skf21("2","7","6","4","1","4","5","1") = "6"
    & skf21("2","7","6","4","1","4","6","1") = "6"
    & skf21("2","7","6","4","1","4","7","1") = "6"
    & skf21("2","7","6","4","1","5","1","1") = "6"
    & skf21("2","7","6","4","1","5","2","1") = "6"
    & skf21("2","7","6","4","1","5","3","1") = "6"
    & skf21("2","7","6","4","1","5","4","1") = "6"
    & skf21("2","7","6","4","1","5","5","1") = "6"
    & skf21("2","7","6","4","1","5","6","1") = "6"
    & skf21("2","7","6","4","1","5","7","1") = "6"
    & skf21("2","7","6","4","1","6","1","1") = "6"
    & skf21("2","7","6","4","1","6","2","1") = "6"
    & skf21("2","7","6","4","1","6","3","1") = "6"
    & skf21("2","7","6","4","1","6","4","1") = "6"
    & skf21("2","7","6","4","1","6","5","1") = "6"
    & skf21("2","7","6","4","1","6","6","1") = "6"
    & skf21("2","7","6","4","1","6","7","1") = "6"
    & skf21("2","7","6","4","1","7","1","1") = "6"
    & skf21("2","7","6","4","1","7","2","1") = "6"
    & skf21("2","7","6","4","1","7","3","1") = "6"
    & skf21("2","7","6","4","1","7","4","1") = "6"
    & skf21("2","7","6","4","1","7","5","1") = "6"
    & skf21("2","7","6","4","1","7","6","1") = "6"
    & skf21("2","7","6","4","1","7","7","1") = "6"
    & skf21("2","7","6","4","2","1","1","1") = "6"
    & skf21("2","7","6","4","2","1","2","1") = "6"
    & skf21("2","7","6","4","2","1","3","1") = "6"
    & skf21("2","7","6","4","2","1","4","1") = "6"
    & skf21("2","7","6","4","2","1","5","1") = "6"
    & skf21("2","7","6","4","2","1","6","1") = "6"
    & skf21("2","7","6","4","2","1","7","1") = "6"
    & skf21("2","7","6","4","2","2","1","1") = "6"
    & skf21("2","7","6","4","2","2","2","1") = "6"
    & skf21("2","7","6","4","2","2","3","1") = "6"
    & skf21("2","7","6","4","2","2","4","1") = "6"
    & skf21("2","7","6","4","2","2","5","1") = "6"
    & skf21("2","7","6","4","2","2","6","1") = "6"
    & skf21("2","7","6","4","2","2","7","1") = "6"
    & skf21("2","7","6","4","2","3","1","1") = "6"
    & skf21("2","7","6","4","2","3","2","1") = "6"
    & skf21("2","7","6","4","2","3","3","1") = "6"
    & skf21("2","7","6","4","2","3","4","1") = "6"
    & skf21("2","7","6","4","2","3","5","1") = "6"
    & skf21("2","7","6","4","2","3","6","1") = "6"
    & skf21("2","7","6","4","2","3","7","1") = "6"
    & skf21("2","7","6","4","2","4","1","1") = "6"
    & skf21("2","7","6","4","2","4","2","1") = "6"
    & skf21("2","7","6","4","2","4","3","1") = "6"
    & skf21("2","7","6","4","2","4","4","1") = "6"
    & skf21("2","7","6","4","2","4","5","1") = "6"
    & skf21("2","7","6","4","2","4","6","1") = "6"
    & skf21("2","7","6","4","2","4","7","1") = "6"
    & skf21("2","7","6","4","2","5","1","1") = "6"
    & skf21("2","7","6","4","2","5","2","1") = "6"
    & skf21("2","7","6","4","2","5","3","1") = "6"
    & skf21("2","7","6","4","2","5","4","1") = "6"
    & skf21("2","7","6","4","2","5","5","1") = "6"
    & skf21("2","7","6","4","2","5","6","1") = "6"
    & skf21("2","7","6","4","2","5","7","1") = "6"
    & skf21("2","7","6","4","2","6","1","1") = "6"
    & skf21("2","7","6","4","2","6","2","1") = "6"
    & skf21("2","7","6","4","2","6","3","1") = "6"
    & skf21("2","7","6","4","2","6","4","1") = "6"
    & skf21("2","7","6","4","2","6","5","1") = "6"
    & skf21("2","7","6","4","2","6","6","1") = "6"
    & skf21("2","7","6","4","2","6","7","1") = "6"
    & skf21("2","7","6","4","2","7","1","1") = "6"
    & skf21("2","7","6","4","2","7","2","1") = "6"
    & skf21("2","7","6","4","2","7","3","1") = "6"
    & skf21("2","7","6","4","2","7","4","1") = "6"
    & skf21("2","7","6","4","2","7","5","1") = "6"
    & skf21("2","7","6","4","2","7","6","1") = "6"
    & skf21("2","7","6","4","2","7","7","1") = "6"
    & skf21("2","7","6","4","3","1","1","1") = "6"
    & skf21("2","7","6","4","3","1","2","1") = "6"
    & skf21("2","7","6","4","3","1","3","1") = "6"
    & skf21("2","7","6","4","3","1","4","1") = "6"
    & skf21("2","7","6","4","3","1","5","1") = "6"
    & skf21("2","7","6","4","3","1","6","1") = "6"
    & skf21("2","7","6","4","3","1","7","1") = "6"
    & skf21("2","7","6","4","3","2","1","1") = "6"
    & skf21("2","7","6","4","3","2","2","1") = "6"
    & skf21("2","7","6","4","3","2","3","1") = "6"
    & skf21("2","7","6","4","3","2","4","1") = "6"
    & skf21("2","7","6","4","3","2","5","1") = "6"
    & skf21("2","7","6","4","3","2","6","1") = "6"
    & skf21("2","7","6","4","3","2","7","1") = "6"
    & skf21("2","7","6","4","3","3","1","1") = "6"
    & skf21("2","7","6","4","3","3","2","1") = "6"
    & skf21("2","7","6","4","3","3","3","1") = "6"
    & skf21("2","7","6","4","3","3","4","1") = "6"
    & skf21("2","7","6","4","3","3","5","1") = "6"
    & skf21("2","7","6","4","3","3","6","1") = "6"
    & skf21("2","7","6","4","3","3","7","1") = "6"
    & skf21("2","7","6","4","3","4","1","1") = "6"
    & skf21("2","7","6","4","3","4","2","1") = "6"
    & skf21("2","7","6","4","3","4","3","1") = "6"
    & skf21("2","7","6","4","3","4","4","1") = "6"
    & skf21("2","7","6","4","3","4","5","1") = "6"
    & skf21("2","7","6","4","3","4","6","1") = "6"
    & skf21("2","7","6","4","3","4","7","1") = "6"
    & skf21("2","7","6","4","3","5","1","1") = "6"
    & skf21("2","7","6","4","3","5","2","1") = "6"
    & skf21("2","7","6","4","3","5","3","1") = "6"
    & skf21("2","7","6","4","3","5","4","1") = "6"
    & skf21("2","7","6","4","3","5","5","1") = "6"
    & skf21("2","7","6","4","3","5","6","1") = "6"
    & skf21("2","7","6","4","3","5","7","1") = "6"
    & skf21("2","7","6","4","3","6","1","1") = "6"
    & skf21("2","7","6","4","3","6","2","1") = "6"
    & skf21("2","7","6","4","3","6","3","1") = "6"
    & skf21("2","7","6","4","3","6","4","1") = "6"
    & skf21("2","7","6","4","3","6","5","1") = "6"
    & skf21("2","7","6","4","3","6","6","1") = "6"
    & skf21("2","7","6","4","3","6","7","1") = "6"
    & skf21("2","7","6","4","3","7","1","1") = "6"
    & skf21("2","7","6","4","3","7","2","1") = "6"
    & skf21("2","7","6","4","3","7","3","1") = "6"
    & skf21("2","7","6","4","3","7","4","1") = "6"
    & skf21("2","7","6","4","3","7","5","1") = "6"
    & skf21("2","7","6","4","3","7","6","1") = "6"
    & skf21("2","7","6","4","3","7","7","1") = "6"
    & skf21("2","7","6","4","4","1","1","1") = "6"
    & skf21("2","7","6","4","4","1","2","1") = "6"
    & skf21("2","7","6","4","4","1","3","1") = "6"
    & skf21("2","7","6","4","4","1","4","1") = "6"
    & skf21("2","7","6","4","4","1","5","1") = "6"
    & skf21("2","7","6","4","4","1","6","1") = "6"
    & skf21("2","7","6","4","4","1","7","1") = "6"
    & skf21("2","7","6","4","4","2","1","1") = "6"
    & skf21("2","7","6","4","4","2","2","1") = "6"
    & skf21("2","7","6","4","4","2","3","1") = "6"
    & skf21("2","7","6","4","4","2","4","1") = "6"
    & skf21("2","7","6","4","4","2","5","1") = "6"
    & skf21("2","7","6","4","4","2","6","1") = "6"
    & skf21("2","7","6","4","4","2","7","1") = "6"
    & skf21("2","7","6","4","4","3","1","1") = "6"
    & skf21("2","7","6","4","4","3","2","1") = "6"
    & skf21("2","7","6","4","4","3","3","1") = "6"
    & skf21("2","7","6","4","4","3","4","1") = "6"
    & skf21("2","7","6","4","4","3","5","1") = "6"
    & skf21("2","7","6","4","4","3","6","1") = "6"
    & skf21("2","7","6","4","4","3","7","1") = "6"
    & skf21("2","7","6","4","4","4","1","1") = "6"
    & skf21("2","7","6","4","4","4","2","1") = "6"
    & skf21("2","7","6","4","4","4","3","1") = "6"
    & skf21("2","7","6","4","4","4","4","1") = "6"
    & skf21("2","7","6","4","4","4","5","1") = "6"
    & skf21("2","7","6","4","4","4","6","1") = "6"
    & skf21("2","7","6","4","4","4","7","1") = "6"
    & skf21("2","7","6","4","4","5","1","1") = "6"
    & skf21("2","7","6","4","4","5","2","1") = "6"
    & skf21("2","7","6","4","4","5","3","1") = "6"
    & skf21("2","7","6","4","4","5","4","1") = "6"
    & skf21("2","7","6","4","4","5","5","1") = "6"
    & skf21("2","7","6","4","4","5","6","1") = "6"
    & skf21("2","7","6","4","4","5","7","1") = "6"
    & skf21("2","7","6","4","4","6","1","1") = "6"
    & skf21("2","7","6","4","4","6","2","1") = "6"
    & skf21("2","7","6","4","4","6","3","1") = "6"
    & skf21("2","7","6","4","4","6","4","1") = "6"
    & skf21("2","7","6","4","4","6","5","1") = "6"
    & skf21("2","7","6","4","4","6","6","1") = "6"
    & skf21("2","7","6","4","4","6","7","1") = "6"
    & skf21("2","7","6","4","4","7","1","1") = "6"
    & skf21("2","7","6","4","4","7","2","1") = "6"
    & skf21("2","7","6","4","4","7","3","1") = "6"
    & skf21("2","7","6","4","4","7","4","1") = "6"
    & skf21("2","7","6","4","4","7","5","1") = "6"
    & skf21("2","7","6","4","4","7","6","1") = "6"
    & skf21("2","7","6","4","4","7","7","1") = "6"
    & skf21("2","7","6","4","5","1","1","1") = "6"
    & skf21("2","7","6","4","5","1","2","1") = "6"
    & skf21("2","7","6","4","5","1","3","1") = "6"
    & skf21("2","7","6","4","5","1","4","1") = "6"
    & skf21("2","7","6","4","5","1","5","1") = "6"
    & skf21("2","7","6","4","5","1","6","1") = "6"
    & skf21("2","7","6","4","5","1","7","1") = "6"
    & skf21("2","7","6","4","5","2","1","1") = "6"
    & skf21("2","7","6","4","5","2","2","1") = "6"
    & skf21("2","7","6","4","5","2","3","1") = "6"
    & skf21("2","7","6","4","5","2","4","1") = "6"
    & skf21("2","7","6","4","5","2","5","1") = "6"
    & skf21("2","7","6","4","5","2","6","1") = "6"
    & skf21("2","7","6","4","5","2","7","1") = "6"
    & skf21("2","7","6","4","5","3","1","1") = "6"
    & skf21("2","7","6","4","5","3","2","1") = "6"
    & skf21("2","7","6","4","5","3","3","1") = "6"
    & skf21("2","7","6","4","5","3","4","1") = "6"
    & skf21("2","7","6","4","5","3","5","1") = "6"
    & skf21("2","7","6","4","5","3","6","1") = "6"
    & skf21("2","7","6","4","5","3","7","1") = "6"
    & skf21("2","7","6","4","5","4","1","1") = "6"
    & skf21("2","7","6","4","5","4","2","1") = "6"
    & skf21("2","7","6","4","5","4","3","1") = "6"
    & skf21("2","7","6","4","5","4","4","1") = "6"
    & skf21("2","7","6","4","5","4","5","1") = "6"
    & skf21("2","7","6","4","5","4","6","1") = "6"
    & skf21("2","7","6","4","5","4","7","1") = "6"
    & skf21("2","7","6","4","5","5","1","1") = "6"
    & skf21("2","7","6","4","5","5","2","1") = "6"
    & skf21("2","7","6","4","5","5","3","1") = "6"
    & skf21("2","7","6","4","5","5","4","1") = "6"
    & skf21("2","7","6","4","5","5","5","1") = "6"
    & skf21("2","7","6","4","5","5","6","1") = "6"
    & skf21("2","7","6","4","5","5","7","1") = "6"
    & skf21("2","7","6","4","5","6","1","1") = "6"
    & skf21("2","7","6","4","5","6","2","1") = "6"
    & skf21("2","7","6","4","5","6","3","1") = "6"
    & skf21("2","7","6","4","5","6","4","1") = "6"
    & skf21("2","7","6","4","5","6","5","1") = "6"
    & skf21("2","7","6","4","5","6","6","1") = "6"
    & skf21("2","7","6","4","5","6","7","1") = "6"
    & skf21("2","7","6","4","5","7","1","1") = "6"
    & skf21("2","7","6","4","5","7","2","1") = "6"
    & skf21("2","7","6","4","5","7","3","1") = "6"
    & skf21("2","7","6","4","5","7","4","1") = "6"
    & skf21("2","7","6","4","5","7","5","1") = "6"
    & skf21("2","7","6","4","5","7","6","1") = "6"
    & skf21("2","7","6","4","5","7","7","1") = "6"
    & skf21("2","7","6","4","6","1","1","1") = "6"
    & skf21("2","7","6","4","6","1","2","1") = "6"
    & skf21("2","7","6","4","6","1","3","1") = "6"
    & skf21("2","7","6","4","6","1","4","1") = "6"
    & skf21("2","7","6","4","6","1","5","1") = "6"
    & skf21("2","7","6","4","6","1","6","1") = "6"
    & skf21("2","7","6","4","6","1","7","1") = "6"
    & skf21("2","7","6","4","6","2","1","1") = "6"
    & skf21("2","7","6","4","6","2","2","1") = "6"
    & skf21("2","7","6","4","6","2","3","1") = "6"
    & skf21("2","7","6","4","6","2","4","1") = "6"
    & skf21("2","7","6","4","6","2","5","1") = "6"
    & skf21("2","7","6","4","6","2","6","1") = "6"
    & skf21("2","7","6","4","6","2","7","1") = "6"
    & skf21("2","7","6","4","6","3","1","1") = "6"
    & skf21("2","7","6","4","6","3","2","1") = "6"
    & skf21("2","7","6","4","6","3","3","1") = "6"
    & skf21("2","7","6","4","6","3","4","1") = "6"
    & skf21("2","7","6","4","6","3","5","1") = "6"
    & skf21("2","7","6","4","6","3","6","1") = "6"
    & skf21("2","7","6","4","6","3","7","1") = "6"
    & skf21("2","7","6","4","6","4","1","1") = "6"
    & skf21("2","7","6","4","6","4","2","1") = "6"
    & skf21("2","7","6","4","6","4","3","1") = "6"
    & skf21("2","7","6","4","6","4","4","1") = "6"
    & skf21("2","7","6","4","6","4","5","1") = "6"
    & skf21("2","7","6","4","6","4","6","1") = "6"
    & skf21("2","7","6","4","6","4","7","1") = "6"
    & skf21("2","7","6","4","6","5","1","1") = "6"
    & skf21("2","7","6","4","6","5","2","1") = "6"
    & skf21("2","7","6","4","6","5","3","1") = "6"
    & skf21("2","7","6","4","6","5","4","1") = "6"
    & skf21("2","7","6","4","6","5","5","1") = "6"
    & skf21("2","7","6","4","6","5","6","1") = "6"
    & skf21("2","7","6","4","6","5","7","1") = "6"
    & skf21("2","7","6","4","6","6","1","1") = "6"
    & skf21("2","7","6","4","6","6","2","1") = "6"
    & skf21("2","7","6","4","6","6","3","1") = "6"
    & skf21("2","7","6","4","6","6","4","1") = "6"
    & skf21("2","7","6","4","6","6","5","1") = "6"
    & skf21("2","7","6","4","6","6","6","1") = "6"
    & skf21("2","7","6","4","6","6","7","1") = "6"
    & skf21("2","7","6","4","6","7","1","1") = "6"
    & skf21("2","7","6","4","6","7","2","1") = "6"
    & skf21("2","7","6","4","6","7","3","1") = "6"
    & skf21("2","7","6","4","6","7","4","1") = "6"
    & skf21("2","7","6","4","6","7","5","1") = "6"
    & skf21("2","7","6","4","6","7","6","1") = "6"
    & skf21("2","7","6","4","6","7","7","1") = "6"
    & skf21("2","7","6","4","7","1","1","1") = "6"
    & skf21("2","7","6","4","7","1","2","1") = "6"
    & skf21("2","7","6","4","7","1","3","1") = "6"
    & skf21("2","7","6","4","7","1","4","1") = "6"
    & skf21("2","7","6","4","7","1","5","1") = "6"
    & skf21("2","7","6","4","7","1","6","1") = "6"
    & skf21("2","7","6","4","7","1","7","1") = "6"
    & skf21("2","7","6","4","7","2","1","1") = "6"
    & skf21("2","7","6","4","7","2","2","1") = "6"
    & skf21("2","7","6","4","7","2","3","1") = "6"
    & skf21("2","7","6","4","7","2","4","1") = "6"
    & skf21("2","7","6","4","7","2","5","1") = "6"
    & skf21("2","7","6","4","7","2","6","1") = "6"
    & skf21("2","7","6","4","7","2","7","1") = "6"
    & skf21("2","7","6","4","7","3","1","1") = "6"
    & skf21("2","7","6","4","7","3","2","1") = "6"
    & skf21("2","7","6","4","7","3","3","1") = "6"
    & skf21("2","7","6","4","7","3","4","1") = "6"
    & skf21("2","7","6","4","7","3","5","1") = "6"
    & skf21("2","7","6","4","7","3","6","1") = "6"
    & skf21("2","7","6","4","7","3","7","1") = "6"
    & skf21("2","7","6","4","7","4","1","1") = "6"
    & skf21("2","7","6","4","7","4","2","1") = "6"
    & skf21("2","7","6","4","7","4","3","1") = "6"
    & skf21("2","7","6","4","7","4","4","1") = "6"
    & skf21("2","7","6","4","7","4","5","1") = "6"
    & skf21("2","7","6","4","7","4","6","1") = "6"
    & skf21("2","7","6","4","7","4","7","1") = "6"
    & skf21("2","7","6","4","7","5","1","1") = "6"
    & skf21("2","7","6","4","7","5","2","1") = "6"
    & skf21("2","7","6","4","7","5","3","1") = "6"
    & skf21("2","7","6","4","7","5","4","1") = "6"
    & skf21("2","7","6","4","7","5","5","1") = "6"
    & skf21("2","7","6","4","7","5","6","1") = "6"
    & skf21("2","7","6","4","7","5","7","1") = "6"
    & skf21("2","7","6","4","7","6","1","1") = "6"
    & skf21("2","7","6","4","7","6","2","1") = "6"
    & skf21("2","7","6","4","7","6","3","1") = "6"
    & skf21("2","7","6","4","7","6","4","1") = "6"
    & skf21("2","7","6","4","7","6","5","1") = "6"
    & skf21("2","7","6","4","7","6","6","1") = "6"
    & skf21("2","7","6","4","7","6","7","1") = "6"
    & skf21("2","7","6","4","7","7","1","1") = "6"
    & skf21("2","7","6","4","7","7","2","1") = "6"
    & skf21("2","7","6","4","7","7","3","1") = "6"
    & skf21("2","7","6","4","7","7","4","1") = "6"
    & skf21("2","7","6","4","7","7","5","1") = "6"
    & skf21("2","7","6","4","7","7","6","1") = "6"
    & skf21("2","7","6","4","7","7","7","1") = "6"
    & skf21("2","7","6","5","1","1","1","1") = "6"
    & skf21("2","7","6","5","1","1","2","1") = "6"
    & skf21("2","7","6","5","1","1","3","1") = "6"
    & skf21("2","7","6","5","1","1","4","1") = "6"
    & skf21("2","7","6","5","1","1","5","1") = "6"
    & skf21("2","7","6","5","1","1","6","1") = "6"
    & skf21("2","7","6","5","1","1","7","1") = "6"
    & skf21("2","7","6","5","1","2","1","1") = "6"
    & skf21("2","7","6","5","1","2","2","1") = "6"
    & skf21("2","7","6","5","1","2","3","1") = "6"
    & skf21("2","7","6","5","1","2","4","1") = "6"
    & skf21("2","7","6","5","1","2","5","1") = "6"
    & skf21("2","7","6","5","1","2","6","1") = "6"
    & skf21("2","7","6","5","1","2","7","1") = "6"
    & skf21("2","7","6","5","1","3","1","1") = "6"
    & skf21("2","7","6","5","1","3","2","1") = "6"
    & skf21("2","7","6","5","1","3","3","1") = "6"
    & skf21("2","7","6","5","1","3","4","1") = "6"
    & skf21("2","7","6","5","1","3","5","1") = "6"
    & skf21("2","7","6","5","1","3","6","1") = "6"
    & skf21("2","7","6","5","1","3","7","1") = "6"
    & skf21("2","7","6","5","1","4","1","1") = "6"
    & skf21("2","7","6","5","1","4","2","1") = "6"
    & skf21("2","7","6","5","1","4","3","1") = "6"
    & skf21("2","7","6","5","1","4","4","1") = "6"
    & skf21("2","7","6","5","1","4","5","1") = "6"
    & skf21("2","7","6","5","1","4","6","1") = "6"
    & skf21("2","7","6","5","1","4","7","1") = "6"
    & skf21("2","7","6","5","1","5","1","1") = "6"
    & skf21("2","7","6","5","1","5","2","1") = "6"
    & skf21("2","7","6","5","1","5","3","1") = "6"
    & skf21("2","7","6","5","1","5","4","1") = "6"
    & skf21("2","7","6","5","1","5","5","1") = "6"
    & skf21("2","7","6","5","1","5","6","1") = "6"
    & skf21("2","7","6","5","1","5","7","1") = "6"
    & skf21("2","7","6","5","1","6","1","1") = "6"
    & skf21("2","7","6","5","1","6","2","1") = "6"
    & skf21("2","7","6","5","1","6","3","1") = "6"
    & skf21("2","7","6","5","1","6","4","1") = "6"
    & skf21("2","7","6","5","1","6","5","1") = "6"
    & skf21("2","7","6","5","1","6","6","1") = "6"
    & skf21("2","7","6","5","1","6","7","1") = "6"
    & skf21("2","7","6","5","1","7","1","1") = "6"
    & skf21("2","7","6","5","1","7","2","1") = "6"
    & skf21("2","7","6","5","1","7","3","1") = "6"
    & skf21("2","7","6","5","1","7","4","1") = "6"
    & skf21("2","7","6","5","1","7","5","1") = "6"
    & skf21("2","7","6","5","1","7","6","1") = "6"
    & skf21("2","7","6","5","1","7","7","1") = "6"
    & skf21("2","7","6","5","2","1","1","1") = "6"
    & skf21("2","7","6","5","2","1","2","1") = "6"
    & skf21("2","7","6","5","2","1","3","1") = "6"
    & skf21("2","7","6","5","2","1","4","1") = "6"
    & skf21("2","7","6","5","2","1","5","1") = "6"
    & skf21("2","7","6","5","2","1","6","1") = "6"
    & skf21("2","7","6","5","2","1","7","1") = "6"
    & skf21("2","7","6","5","2","2","1","1") = "6"
    & skf21("2","7","6","5","2","2","2","1") = "6"
    & skf21("2","7","6","5","2","2","3","1") = "6"
    & skf21("2","7","6","5","2","2","4","1") = "6"
    & skf21("2","7","6","5","2","2","5","1") = "6"
    & skf21("2","7","6","5","2","2","6","1") = "6"
    & skf21("2","7","6","5","2","2","7","1") = "6"
    & skf21("2","7","6","5","2","3","1","1") = "6"
    & skf21("2","7","6","5","2","3","2","1") = "6"
    & skf21("2","7","6","5","2","3","3","1") = "6"
    & skf21("2","7","6","5","2","3","4","1") = "6"
    & skf21("2","7","6","5","2","3","5","1") = "6"
    & skf21("2","7","6","5","2","3","6","1") = "6"
    & skf21("2","7","6","5","2","3","7","1") = "6"
    & skf21("2","7","6","5","2","4","1","1") = "6"
    & skf21("2","7","6","5","2","4","2","1") = "6"
    & skf21("2","7","6","5","2","4","3","1") = "6"
    & skf21("2","7","6","5","2","4","4","1") = "6"
    & skf21("2","7","6","5","2","4","5","1") = "6"
    & skf21("2","7","6","5","2","4","6","1") = "6"
    & skf21("2","7","6","5","2","4","7","1") = "6"
    & skf21("2","7","6","5","2","5","1","1") = "6"
    & skf21("2","7","6","5","2","5","2","1") = "6"
    & skf21("2","7","6","5","2","5","3","1") = "6"
    & skf21("2","7","6","5","2","5","4","1") = "6"
    & skf21("2","7","6","5","2","5","5","1") = "6"
    & skf21("2","7","6","5","2","5","6","1") = "6"
    & skf21("2","7","6","5","2","5","7","1") = "6"
    & skf21("2","7","6","5","2","6","1","1") = "6"
    & skf21("2","7","6","5","2","6","2","1") = "6"
    & skf21("2","7","6","5","2","6","3","1") = "6"
    & skf21("2","7","6","5","2","6","4","1") = "6"
    & skf21("2","7","6","5","2","6","5","1") = "6"
    & skf21("2","7","6","5","2","6","6","1") = "6"
    & skf21("2","7","6","5","2","6","7","1") = "6"
    & skf21("2","7","6","5","2","7","1","1") = "6"
    & skf21("2","7","6","5","2","7","2","1") = "6"
    & skf21("2","7","6","5","2","7","3","1") = "6"
    & skf21("2","7","6","5","2","7","4","1") = "6"
    & skf21("2","7","6","5","2","7","5","1") = "6"
    & skf21("2","7","6","5","2","7","6","1") = "6"
    & skf21("2","7","6","5","2","7","7","1") = "6"
    & skf21("2","7","6","5","3","1","1","1") = "6"
    & skf21("2","7","6","5","3","1","2","1") = "6"
    & skf21("2","7","6","5","3","1","3","1") = "6"
    & skf21("2","7","6","5","3","1","4","1") = "6"
    & skf21("2","7","6","5","3","1","5","1") = "6"
    & skf21("2","7","6","5","3","1","6","1") = "6"
    & skf21("2","7","6","5","3","1","7","1") = "6"
    & skf21("2","7","6","5","3","2","1","1") = "6"
    & skf21("2","7","6","5","3","2","2","1") = "6"
    & skf21("2","7","6","5","3","2","3","1") = "6"
    & skf21("2","7","6","5","3","2","4","1") = "6"
    & skf21("2","7","6","5","3","2","5","1") = "6"
    & skf21("2","7","6","5","3","2","6","1") = "6"
    & skf21("2","7","6","5","3","2","7","1") = "6"
    & skf21("2","7","6","5","3","3","1","1") = "6"
    & skf21("2","7","6","5","3","3","2","1") = "6"
    & skf21("2","7","6","5","3","3","3","1") = "6"
    & skf21("2","7","6","5","3","3","4","1") = "6"
    & skf21("2","7","6","5","3","3","5","1") = "6"
    & skf21("2","7","6","5","3","3","6","1") = "6"
    & skf21("2","7","6","5","3","3","7","1") = "6"
    & skf21("2","7","6","5","3","4","1","1") = "6"
    & skf21("2","7","6","5","3","4","2","1") = "6"
    & skf21("2","7","6","5","3","4","3","1") = "6"
    & skf21("2","7","6","5","3","4","4","1") = "6"
    & skf21("2","7","6","5","3","4","5","1") = "6"
    & skf21("2","7","6","5","3","4","6","1") = "6"
    & skf21("2","7","6","5","3","4","7","1") = "6"
    & skf21("2","7","6","5","3","5","1","1") = "6"
    & skf21("2","7","6","5","3","5","2","1") = "6"
    & skf21("2","7","6","5","3","5","3","1") = "6"
    & skf21("2","7","6","5","3","5","4","1") = "6"
    & skf21("2","7","6","5","3","5","5","1") = "6"
    & skf21("2","7","6","5","3","5","6","1") = "6"
    & skf21("2","7","6","5","3","5","7","1") = "6"
    & skf21("2","7","6","5","3","6","1","1") = "6"
    & skf21("2","7","6","5","3","6","2","1") = "6"
    & skf21("2","7","6","5","3","6","3","1") = "6"
    & skf21("2","7","6","5","3","6","4","1") = "6"
    & skf21("2","7","6","5","3","6","5","1") = "6"
    & skf21("2","7","6","5","3","6","6","1") = "6"
    & skf21("2","7","6","5","3","6","7","1") = "6"
    & skf21("2","7","6","5","3","7","1","1") = "6"
    & skf21("2","7","6","5","3","7","2","1") = "6"
    & skf21("2","7","6","5","3","7","3","1") = "6"
    & skf21("2","7","6","5","3","7","4","1") = "6"
    & skf21("2","7","6","5","3","7","5","1") = "6"
    & skf21("2","7","6","5","3","7","6","1") = "6"
    & skf21("2","7","6","5","3","7","7","1") = "6"
    & skf21("2","7","6","5","4","1","1","1") = "6"
    & skf21("2","7","6","5","4","1","2","1") = "6"
    & skf21("2","7","6","5","4","1","3","1") = "6"
    & skf21("2","7","6","5","4","1","4","1") = "6"
    & skf21("2","7","6","5","4","1","5","1") = "6"
    & skf21("2","7","6","5","4","1","6","1") = "6"
    & skf21("2","7","6","5","4","1","7","1") = "6"
    & skf21("2","7","6","5","4","2","1","1") = "6"
    & skf21("2","7","6","5","4","2","2","1") = "6"
    & skf21("2","7","6","5","4","2","3","1") = "6"
    & skf21("2","7","6","5","4","2","4","1") = "6"
    & skf21("2","7","6","5","4","2","5","1") = "6"
    & skf21("2","7","6","5","4","2","6","1") = "6"
    & skf21("2","7","6","5","4","2","7","1") = "6"
    & skf21("2","7","6","5","4","3","1","1") = "6"
    & skf21("2","7","6","5","4","3","2","1") = "6"
    & skf21("2","7","6","5","4","3","3","1") = "6"
    & skf21("2","7","6","5","4","3","4","1") = "6"
    & skf21("2","7","6","5","4","3","5","1") = "6"
    & skf21("2","7","6","5","4","3","6","1") = "6"
    & skf21("2","7","6","5","4","3","7","1") = "6"
    & skf21("2","7","6","5","4","4","1","1") = "6"
    & skf21("2","7","6","5","4","4","2","1") = "6"
    & skf21("2","7","6","5","4","4","3","1") = "6"
    & skf21("2","7","6","5","4","4","4","1") = "6"
    & skf21("2","7","6","5","4","4","5","1") = "6"
    & skf21("2","7","6","5","4","4","6","1") = "6"
    & skf21("2","7","6","5","4","4","7","1") = "6"
    & skf21("2","7","6","5","4","5","1","1") = "6"
    & skf21("2","7","6","5","4","5","2","1") = "6"
    & skf21("2","7","6","5","4","5","3","1") = "6"
    & skf21("2","7","6","5","4","5","4","1") = "6"
    & skf21("2","7","6","5","4","5","5","1") = "6"
    & skf21("2","7","6","5","4","5","6","1") = "6"
    & skf21("2","7","6","5","4","5","7","1") = "6"
    & skf21("2","7","6","5","4","6","1","1") = "6"
    & skf21("2","7","6","5","4","6","2","1") = "6"
    & skf21("2","7","6","5","4","6","3","1") = "6"
    & skf21("2","7","6","5","4","6","4","1") = "6"
    & skf21("2","7","6","5","4","6","5","1") = "6"
    & skf21("2","7","6","5","4","6","6","1") = "6"
    & skf21("2","7","6","5","4","6","7","1") = "6"
    & skf21("2","7","6","5","4","7","1","1") = "6"
    & skf21("2","7","6","5","4","7","2","1") = "6"
    & skf21("2","7","6","5","4","7","3","1") = "6"
    & skf21("2","7","6","5","4","7","4","1") = "6"
    & skf21("2","7","6","5","4","7","5","1") = "6"
    & skf21("2","7","6","5","4","7","6","1") = "6"
    & skf21("2","7","6","5","4","7","7","1") = "6"
    & skf21("2","7","6","5","5","1","1","1") = "6"
    & skf21("2","7","6","5","5","1","2","1") = "6"
    & skf21("2","7","6","5","5","1","3","1") = "6"
    & skf21("2","7","6","5","5","1","4","1") = "6"
    & skf21("2","7","6","5","5","1","5","1") = "6"
    & skf21("2","7","6","5","5","1","6","1") = "6"
    & skf21("2","7","6","5","5","1","7","1") = "6"
    & skf21("2","7","6","5","5","2","1","1") = "6"
    & skf21("2","7","6","5","5","2","2","1") = "6"
    & skf21("2","7","6","5","5","2","3","1") = "6"
    & skf21("2","7","6","5","5","2","4","1") = "6"
    & skf21("2","7","6","5","5","2","5","1") = "6"
    & skf21("2","7","6","5","5","2","6","1") = "6"
    & skf21("2","7","6","5","5","2","7","1") = "6"
    & skf21("2","7","6","5","5","3","1","1") = "6"
    & skf21("2","7","6","5","5","3","2","1") = "6"
    & skf21("2","7","6","5","5","3","3","1") = "6"
    & skf21("2","7","6","5","5","3","4","1") = "6"
    & skf21("2","7","6","5","5","3","5","1") = "6"
    & skf21("2","7","6","5","5","3","6","1") = "6"
    & skf21("2","7","6","5","5","3","7","1") = "6"
    & skf21("2","7","6","5","5","4","1","1") = "6"
    & skf21("2","7","6","5","5","4","2","1") = "6"
    & skf21("2","7","6","5","5","4","3","1") = "6"
    & skf21("2","7","6","5","5","4","4","1") = "6"
    & skf21("2","7","6","5","5","4","5","1") = "6"
    & skf21("2","7","6","5","5","4","6","1") = "6"
    & skf21("2","7","6","5","5","4","7","1") = "6"
    & skf21("2","7","6","5","5","5","1","1") = "6"
    & skf21("2","7","6","5","5","5","2","1") = "6"
    & skf21("2","7","6","5","5","5","3","1") = "6"
    & skf21("2","7","6","5","5","5","4","1") = "6"
    & skf21("2","7","6","5","5","5","5","1") = "6"
    & skf21("2","7","6","5","5","5","6","1") = "6"
    & skf21("2","7","6","5","5","5","7","1") = "6"
    & skf21("2","7","6","5","5","6","1","1") = "6"
    & skf21("2","7","6","5","5","6","2","1") = "6"
    & skf21("2","7","6","5","5","6","3","1") = "6"
    & skf21("2","7","6","5","5","6","4","1") = "6"
    & skf21("2","7","6","5","5","6","5","1") = "6"
    & skf21("2","7","6","5","5","6","6","1") = "6"
    & skf21("2","7","6","5","5","6","7","1") = "6"
    & skf21("2","7","6","5","5","7","1","1") = "6"
    & skf21("2","7","6","5","5","7","2","1") = "6"
    & skf21("2","7","6","5","5","7","3","1") = "6"
    & skf21("2","7","6","5","5","7","4","1") = "6"
    & skf21("2","7","6","5","5","7","5","1") = "6"
    & skf21("2","7","6","5","5","7","6","1") = "6"
    & skf21("2","7","6","5","5","7","7","1") = "6"
    & skf21("2","7","6","5","6","1","1","1") = "6"
    & skf21("2","7","6","5","6","1","2","1") = "6"
    & skf21("2","7","6","5","6","1","3","1") = "6"
    & skf21("2","7","6","5","6","1","4","1") = "6"
    & skf21("2","7","6","5","6","1","5","1") = "6"
    & skf21("2","7","6","5","6","1","6","1") = "6"
    & skf21("2","7","6","5","6","1","7","1") = "6"
    & skf21("2","7","6","5","6","2","1","1") = "6"
    & skf21("2","7","6","5","6","2","2","1") = "6"
    & skf21("2","7","6","5","6","2","3","1") = "6"
    & skf21("2","7","6","5","6","2","4","1") = "6"
    & skf21("2","7","6","5","6","2","5","1") = "6"
    & skf21("2","7","6","5","6","2","6","1") = "6"
    & skf21("2","7","6","5","6","2","7","1") = "6"
    & skf21("2","7","6","5","6","3","1","1") = "6"
    & skf21("2","7","6","5","6","3","2","1") = "6"
    & skf21("2","7","6","5","6","3","3","1") = "6"
    & skf21("2","7","6","5","6","3","4","1") = "6"
    & skf21("2","7","6","5","6","3","5","1") = "6"
    & skf21("2","7","6","5","6","3","6","1") = "6"
    & skf21("2","7","6","5","6","3","7","1") = "6"
    & skf21("2","7","6","5","6","4","1","1") = "6"
    & skf21("2","7","6","5","6","4","2","1") = "6"
    & skf21("2","7","6","5","6","4","3","1") = "6"
    & skf21("2","7","6","5","6","4","4","1") = "6"
    & skf21("2","7","6","5","6","4","5","1") = "6"
    & skf21("2","7","6","5","6","4","6","1") = "6"
    & skf21("2","7","6","5","6","4","7","1") = "6"
    & skf21("2","7","6","5","6","5","1","1") = "6"
    & skf21("2","7","6","5","6","5","2","1") = "6"
    & skf21("2","7","6","5","6","5","3","1") = "6"
    & skf21("2","7","6","5","6","5","4","1") = "6"
    & skf21("2","7","6","5","6","5","5","1") = "6"
    & skf21("2","7","6","5","6","5","6","1") = "6"
    & skf21("2","7","6","5","6","5","7","1") = "6"
    & skf21("2","7","6","5","6","6","1","1") = "6"
    & skf21("2","7","6","5","6","6","2","1") = "6"
    & skf21("2","7","6","5","6","6","3","1") = "6"
    & skf21("2","7","6","5","6","6","4","1") = "6"
    & skf21("2","7","6","5","6","6","5","1") = "6"
    & skf21("2","7","6","5","6","6","6","1") = "6"
    & skf21("2","7","6","5","6","6","7","1") = "6"
    & skf21("2","7","6","5","6","7","1","1") = "6"
    & skf21("2","7","6","5","6","7","2","1") = "6"
    & skf21("2","7","6","5","6","7","3","1") = "6"
    & skf21("2","7","6","5","6","7","4","1") = "6"
    & skf21("2","7","6","5","6","7","5","1") = "6"
    & skf21("2","7","6","5","6","7","6","1") = "6"
    & skf21("2","7","6","5","6","7","7","1") = "6"
    & skf21("2","7","6","5","7","1","1","1") = "6"
    & skf21("2","7","6","5","7","1","2","1") = "6"
    & skf21("2","7","6","5","7","1","3","1") = "6"
    & skf21("2","7","6","5","7","1","4","1") = "6"
    & skf21("2","7","6","5","7","1","5","1") = "6"
    & skf21("2","7","6","5","7","1","6","1") = "6"
    & skf21("2","7","6","5","7","1","7","1") = "6"
    & skf21("2","7","6","5","7","2","1","1") = "6"
    & skf21("2","7","6","5","7","2","2","1") = "6"
    & skf21("2","7","6","5","7","2","3","1") = "6"
    & skf21("2","7","6","5","7","2","4","1") = "6"
    & skf21("2","7","6","5","7","2","5","1") = "6"
    & skf21("2","7","6","5","7","2","6","1") = "6"
    & skf21("2","7","6","5","7","2","7","1") = "6"
    & skf21("2","7","6","5","7","3","1","1") = "6"
    & skf21("2","7","6","5","7","3","2","1") = "6"
    & skf21("2","7","6","5","7","3","3","1") = "6"
    & skf21("2","7","6","5","7","3","4","1") = "6"
    & skf21("2","7","6","5","7","3","5","1") = "6"
    & skf21("2","7","6","5","7","3","6","1") = "6"
    & skf21("2","7","6","5","7","3","7","1") = "6"
    & skf21("2","7","6","5","7","4","1","1") = "6"
    & skf21("2","7","6","5","7","4","2","1") = "6"
    & skf21("2","7","6","5","7","4","3","1") = "6"
    & skf21("2","7","6","5","7","4","4","1") = "6"
    & skf21("2","7","6","5","7","4","5","1") = "6"
    & skf21("2","7","6","5","7","4","6","1") = "6"
    & skf21("2","7","6","5","7","4","7","1") = "6"
    & skf21("2","7","6","5","7","5","1","1") = "6"
    & skf21("2","7","6","5","7","5","2","1") = "6"
    & skf21("2","7","6","5","7","5","3","1") = "6"
    & skf21("2","7","6","5","7","5","4","1") = "6"
    & skf21("2","7","6","5","7","5","5","1") = "6"
    & skf21("2","7","6","5","7","5","6","1") = "6"
    & skf21("2","7","6","5","7","5","7","1") = "6"
    & skf21("2","7","6","5","7","6","1","1") = "6"
    & skf21("2","7","6","5","7","6","2","1") = "6"
    & skf21("2","7","6","5","7","6","3","1") = "6"
    & skf21("2","7","6","5","7","6","4","1") = "6"
    & skf21("2","7","6","5","7","6","5","1") = "6"
    & skf21("2","7","6","5","7","6","6","1") = "6"
    & skf21("2","7","6","5","7","6","7","1") = "6"
    & skf21("2","7","6","5","7","7","1","1") = "6"
    & skf21("2","7","6","5","7","7","2","1") = "6"
    & skf21("2","7","6","5","7","7","3","1") = "6"
    & skf21("2","7","6","5","7","7","4","1") = "6"
    & skf21("2","7","6","5","7","7","5","1") = "6"
    & skf21("2","7","6","5","7","7","6","1") = "6"
    & skf21("2","7","6","5","7","7","7","1") = "6"
    & skf21("2","7","6","6","1","1","1","1") = "6"
    & skf21("2","7","6","6","1","1","2","1") = "6"
    & skf21("2","7","6","6","1","1","3","1") = "6"
    & skf21("2","7","6","6","1","1","4","1") = "6"
    & skf21("2","7","6","6","1","1","5","1") = "6"
    & skf21("2","7","6","6","1","1","6","1") = "6"
    & skf21("2","7","6","6","1","1","7","1") = "6"
    & skf21("2","7","6","6","1","2","1","1") = "6"
    & skf21("2","7","6","6","1","2","2","1") = "6"
    & skf21("2","7","6","6","1","2","3","1") = "6"
    & skf21("2","7","6","6","1","2","4","1") = "6"
    & skf21("2","7","6","6","1","2","5","1") = "6"
    & skf21("2","7","6","6","1","2","6","1") = "6"
    & skf21("2","7","6","6","1","2","7","1") = "6"
    & skf21("2","7","6","6","1","3","1","1") = "6"
    & skf21("2","7","6","6","1","3","2","1") = "6"
    & skf21("2","7","6","6","1","3","3","1") = "6"
    & skf21("2","7","6","6","1","3","4","1") = "6"
    & skf21("2","7","6","6","1","3","5","1") = "6"
    & skf21("2","7","6","6","1","3","6","1") = "6"
    & skf21("2","7","6","6","1","3","7","1") = "6"
    & skf21("2","7","6","6","1","4","1","1") = "6"
    & skf21("2","7","6","6","1","4","2","1") = "6"
    & skf21("2","7","6","6","1","4","3","1") = "6"
    & skf21("2","7","6","6","1","4","4","1") = "6"
    & skf21("2","7","6","6","1","4","5","1") = "6"
    & skf21("2","7","6","6","1","4","6","1") = "6"
    & skf21("2","7","6","6","1","4","7","1") = "6"
    & skf21("2","7","6","6","1","5","1","1") = "6"
    & skf21("2","7","6","6","1","5","2","1") = "6"
    & skf21("2","7","6","6","1","5","3","1") = "6"
    & skf21("2","7","6","6","1","5","4","1") = "6"
    & skf21("2","7","6","6","1","5","5","1") = "6"
    & skf21("2","7","6","6","1","5","6","1") = "6"
    & skf21("2","7","6","6","1","5","7","1") = "6"
    & skf21("2","7","6","6","1","6","1","1") = "6"
    & skf21("2","7","6","6","1","6","2","1") = "6"
    & skf21("2","7","6","6","1","6","3","1") = "6"
    & skf21("2","7","6","6","1","6","4","1") = "6"
    & skf21("2","7","6","6","1","6","5","1") = "6"
    & skf21("2","7","6","6","1","6","6","1") = "6"
    & skf21("2","7","6","6","1","6","7","1") = "6"
    & skf21("2","7","6","6","1","7","1","1") = "6"
    & skf21("2","7","6","6","1","7","2","1") = "6"
    & skf21("2","7","6","6","1","7","3","1") = "6"
    & skf21("2","7","6","6","1","7","4","1") = "6"
    & skf21("2","7","6","6","1","7","5","1") = "6"
    & skf21("2","7","6","6","1","7","6","1") = "6"
    & skf21("2","7","6","6","1","7","7","1") = "6"
    & skf21("2","7","6","6","2","1","1","1") = "6"
    & skf21("2","7","6","6","2","1","2","1") = "6"
    & skf21("2","7","6","6","2","1","3","1") = "6"
    & skf21("2","7","6","6","2","1","4","1") = "6"
    & skf21("2","7","6","6","2","1","5","1") = "6"
    & skf21("2","7","6","6","2","1","6","1") = "6"
    & skf21("2","7","6","6","2","1","7","1") = "6"
    & skf21("2","7","6","6","2","2","1","1") = "6"
    & skf21("2","7","6","6","2","2","2","1") = "6"
    & skf21("2","7","6","6","2","2","3","1") = "6"
    & skf21("2","7","6","6","2","2","4","1") = "6"
    & skf21("2","7","6","6","2","2","5","1") = "6"
    & skf21("2","7","6","6","2","2","6","1") = "6"
    & skf21("2","7","6","6","2","2","7","1") = "6"
    & skf21("2","7","6","6","2","3","1","1") = "6"
    & skf21("2","7","6","6","2","3","2","1") = "6"
    & skf21("2","7","6","6","2","3","3","1") = "6"
    & skf21("2","7","6","6","2","3","4","1") = "6"
    & skf21("2","7","6","6","2","3","5","1") = "6"
    & skf21("2","7","6","6","2","3","6","1") = "6"
    & skf21("2","7","6","6","2","3","7","1") = "6"
    & skf21("2","7","6","6","2","4","1","1") = "6"
    & skf21("2","7","6","6","2","4","2","1") = "6"
    & skf21("2","7","6","6","2","4","3","1") = "6"
    & skf21("2","7","6","6","2","4","4","1") = "6"
    & skf21("2","7","6","6","2","4","5","1") = "6"
    & skf21("2","7","6","6","2","4","6","1") = "6"
    & skf21("2","7","6","6","2","4","7","1") = "6"
    & skf21("2","7","6","6","2","5","1","1") = "6"
    & skf21("2","7","6","6","2","5","2","1") = "6"
    & skf21("2","7","6","6","2","5","3","1") = "6"
    & skf21("2","7","6","6","2","5","4","1") = "6"
    & skf21("2","7","6","6","2","5","5","1") = "6"
    & skf21("2","7","6","6","2","5","6","1") = "6"
    & skf21("2","7","6","6","2","5","7","1") = "6"
    & skf21("2","7","6","6","2","6","1","1") = "6"
    & skf21("2","7","6","6","2","6","2","1") = "6"
    & skf21("2","7","6","6","2","6","3","1") = "6"
    & skf21("2","7","6","6","2","6","4","1") = "6"
    & skf21("2","7","6","6","2","6","5","1") = "6"
    & skf21("2","7","6","6","2","6","6","1") = "6"
    & skf21("2","7","6","6","2","6","7","1") = "6"
    & skf21("2","7","6","6","2","7","1","1") = "6"
    & skf21("2","7","6","6","2","7","2","1") = "6"
    & skf21("2","7","6","6","2","7","3","1") = "6"
    & skf21("2","7","6","6","2","7","4","1") = "6"
    & skf21("2","7","6","6","2","7","5","1") = "6"
    & skf21("2","7","6","6","2","7","6","1") = "6"
    & skf21("2","7","6","6","2","7","7","1") = "6"
    & skf21("2","7","6","6","3","1","1","1") = "6"
    & skf21("2","7","6","6","3","1","2","1") = "6"
    & skf21("2","7","6","6","3","1","3","1") = "6"
    & skf21("2","7","6","6","3","1","4","1") = "6"
    & skf21("2","7","6","6","3","1","5","1") = "6"
    & skf21("2","7","6","6","3","1","6","1") = "6"
    & skf21("2","7","6","6","3","1","7","1") = "6"
    & skf21("2","7","6","6","3","2","1","1") = "6"
    & skf21("2","7","6","6","3","2","2","1") = "6"
    & skf21("2","7","6","6","3","2","3","1") = "6"
    & skf21("2","7","6","6","3","2","4","1") = "6"
    & skf21("2","7","6","6","3","2","5","1") = "6"
    & skf21("2","7","6","6","3","2","6","1") = "6"
    & skf21("2","7","6","6","3","2","7","1") = "6"
    & skf21("2","7","6","6","3","3","1","1") = "6"
    & skf21("2","7","6","6","3","3","2","1") = "6"
    & skf21("2","7","6","6","3","3","3","1") = "6"
    & skf21("2","7","6","6","3","3","4","1") = "6"
    & skf21("2","7","6","6","3","3","5","1") = "6"
    & skf21("2","7","6","6","3","3","6","1") = "6"
    & skf21("2","7","6","6","3","3","7","1") = "6"
    & skf21("2","7","6","6","3","4","1","1") = "6"
    & skf21("2","7","6","6","3","4","2","1") = "6"
    & skf21("2","7","6","6","3","4","3","1") = "6"
    & skf21("2","7","6","6","3","4","4","1") = "6"
    & skf21("2","7","6","6","3","4","5","1") = "6"
    & skf21("2","7","6","6","3","4","6","1") = "6"
    & skf21("2","7","6","6","3","4","7","1") = "6"
    & skf21("2","7","6","6","3","5","1","1") = "6"
    & skf21("2","7","6","6","3","5","2","1") = "6"
    & skf21("2","7","6","6","3","5","3","1") = "6"
    & skf21("2","7","6","6","3","5","4","1") = "6"
    & skf21("2","7","6","6","3","5","5","1") = "6"
    & skf21("2","7","6","6","3","5","6","1") = "6"
    & skf21("2","7","6","6","3","5","7","1") = "6"
    & skf21("2","7","6","6","3","6","1","1") = "6"
    & skf21("2","7","6","6","3","6","2","1") = "6"
    & skf21("2","7","6","6","3","6","3","1") = "6"
    & skf21("2","7","6","6","3","6","4","1") = "6"
    & skf21("2","7","6","6","3","6","5","1") = "6"
    & skf21("2","7","6","6","3","6","6","1") = "6"
    & skf21("2","7","6","6","3","6","7","1") = "6"
    & skf21("2","7","6","6","3","7","1","1") = "6"
    & skf21("2","7","6","6","3","7","2","1") = "6"
    & skf21("2","7","6","6","3","7","3","1") = "6"
    & skf21("2","7","6","6","3","7","4","1") = "6"
    & skf21("2","7","6","6","3","7","5","1") = "6"
    & skf21("2","7","6","6","3","7","6","1") = "6"
    & skf21("2","7","6","6","3","7","7","1") = "6"
    & skf21("2","7","6","6","4","1","1","1") = "6"
    & skf21("2","7","6","6","4","1","2","1") = "6"
    & skf21("2","7","6","6","4","1","3","1") = "6"
    & skf21("2","7","6","6","4","1","4","1") = "6"
    & skf21("2","7","6","6","4","1","5","1") = "6"
    & skf21("2","7","6","6","4","1","6","1") = "6"
    & skf21("2","7","6","6","4","1","7","1") = "6"
    & skf21("2","7","6","6","4","2","1","1") = "6"
    & skf21("2","7","6","6","4","2","2","1") = "6"
    & skf21("2","7","6","6","4","2","3","1") = "6"
    & skf21("2","7","6","6","4","2","4","1") = "6"
    & skf21("2","7","6","6","4","2","5","1") = "6"
    & skf21("2","7","6","6","4","2","6","1") = "6"
    & skf21("2","7","6","6","4","2","7","1") = "6"
    & skf21("2","7","6","6","4","3","1","1") = "6"
    & skf21("2","7","6","6","4","3","2","1") = "6"
    & skf21("2","7","6","6","4","3","3","1") = "6"
    & skf21("2","7","6","6","4","3","4","1") = "6"
    & skf21("2","7","6","6","4","3","5","1") = "6"
    & skf21("2","7","6","6","4","3","6","1") = "6"
    & skf21("2","7","6","6","4","3","7","1") = "6"
    & skf21("2","7","6","6","4","4","1","1") = "6"
    & skf21("2","7","6","6","4","4","2","1") = "6"
    & skf21("2","7","6","6","4","4","3","1") = "6"
    & skf21("2","7","6","6","4","4","4","1") = "6"
    & skf21("2","7","6","6","4","4","5","1") = "6"
    & skf21("2","7","6","6","4","4","6","1") = "6"
    & skf21("2","7","6","6","4","4","7","1") = "6"
    & skf21("2","7","6","6","4","5","1","1") = "6"
    & skf21("2","7","6","6","4","5","2","1") = "6"
    & skf21("2","7","6","6","4","5","3","1") = "6"
    & skf21("2","7","6","6","4","5","4","1") = "6"
    & skf21("2","7","6","6","4","5","5","1") = "6"
    & skf21("2","7","6","6","4","5","6","1") = "6"
    & skf21("2","7","6","6","4","5","7","1") = "6"
    & skf21("2","7","6","6","4","6","1","1") = "6"
    & skf21("2","7","6","6","4","6","2","1") = "6"
    & skf21("2","7","6","6","4","6","3","1") = "6"
    & skf21("2","7","6","6","4","6","4","1") = "6"
    & skf21("2","7","6","6","4","6","5","1") = "6"
    & skf21("2","7","6","6","4","6","6","1") = "6"
    & skf21("2","7","6","6","4","6","7","1") = "6"
    & skf21("2","7","6","6","4","7","1","1") = "6"
    & skf21("2","7","6","6","4","7","2","1") = "6"
    & skf21("2","7","6","6","4","7","3","1") = "6"
    & skf21("2","7","6","6","4","7","4","1") = "6"
    & skf21("2","7","6","6","4","7","5","1") = "6"
    & skf21("2","7","6","6","4","7","6","1") = "6"
    & skf21("2","7","6","6","4","7","7","1") = "6"
    & skf21("2","7","6","6","5","1","1","1") = "6"
    & skf21("2","7","6","6","5","1","2","1") = "6"
    & skf21("2","7","6","6","5","1","3","1") = "6"
    & skf21("2","7","6","6","5","1","4","1") = "6"
    & skf21("2","7","6","6","5","1","5","1") = "6"
    & skf21("2","7","6","6","5","1","6","1") = "6"
    & skf21("2","7","6","6","5","1","7","1") = "6"
    & skf21("2","7","6","6","5","2","1","1") = "6"
    & skf21("2","7","6","6","5","2","2","1") = "6"
    & skf21("2","7","6","6","5","2","3","1") = "6"
    & skf21("2","7","6","6","5","2","4","1") = "6"
    & skf21("2","7","6","6","5","2","5","1") = "6"
    & skf21("2","7","6","6","5","2","6","1") = "6"
    & skf21("2","7","6","6","5","2","7","1") = "6"
    & skf21("2","7","6","6","5","3","1","1") = "6"
    & skf21("2","7","6","6","5","3","2","1") = "6"
    & skf21("2","7","6","6","5","3","3","1") = "6"
    & skf21("2","7","6","6","5","3","4","1") = "6"
    & skf21("2","7","6","6","5","3","5","1") = "6"
    & skf21("2","7","6","6","5","3","6","1") = "6"
    & skf21("2","7","6","6","5","3","7","1") = "6"
    & skf21("2","7","6","6","5","4","1","1") = "6"
    & skf21("2","7","6","6","5","4","2","1") = "6"
    & skf21("2","7","6","6","5","4","3","1") = "6"
    & skf21("2","7","6","6","5","4","4","1") = "6"
    & skf21("2","7","6","6","5","4","5","1") = "6"
    & skf21("2","7","6","6","5","4","6","1") = "6"
    & skf21("2","7","6","6","5","4","7","1") = "6"
    & skf21("2","7","6","6","5","5","1","1") = "6"
    & skf21("2","7","6","6","5","5","2","1") = "6"
    & skf21("2","7","6","6","5","5","3","1") = "6"
    & skf21("2","7","6","6","5","5","4","1") = "6"
    & skf21("2","7","6","6","5","5","5","1") = "6"
    & skf21("2","7","6","6","5","5","6","1") = "6"
    & skf21("2","7","6","6","5","5","7","1") = "6"
    & skf21("2","7","6","6","5","6","1","1") = "6"
    & skf21("2","7","6","6","5","6","2","1") = "6"
    & skf21("2","7","6","6","5","6","3","1") = "6"
    & skf21("2","7","6","6","5","6","4","1") = "6"
    & skf21("2","7","6","6","5","6","5","1") = "6"
    & skf21("2","7","6","6","5","6","6","1") = "6"
    & skf21("2","7","6","6","5","6","7","1") = "6"
    & skf21("2","7","6","6","5","7","1","1") = "6"
    & skf21("2","7","6","6","5","7","2","1") = "6"
    & skf21("2","7","6","6","5","7","3","1") = "6"
    & skf21("2","7","6","6","5","7","4","1") = "6"
    & skf21("2","7","6","6","5","7","5","1") = "6"
    & skf21("2","7","6","6","5","7","6","1") = "6"
    & skf21("2","7","6","6","5","7","7","1") = "6"
    & skf21("2","7","6","6","6","1","1","1") = "6"
    & skf21("2","7","6","6","6","1","2","1") = "6"
    & skf21("2","7","6","6","6","1","3","1") = "6"
    & skf21("2","7","6","6","6","1","4","1") = "6"
    & skf21("2","7","6","6","6","1","5","1") = "6"
    & skf21("2","7","6","6","6","1","6","1") = "6"
    & skf21("2","7","6","6","6","1","7","1") = "6"
    & skf21("2","7","6","6","6","2","1","1") = "6"
    & skf21("2","7","6","6","6","2","2","1") = "6"
    & skf21("2","7","6","6","6","2","3","1") = "6"
    & skf21("2","7","6","6","6","2","4","1") = "6"
    & skf21("2","7","6","6","6","2","5","1") = "6"
    & skf21("2","7","6","6","6","2","6","1") = "6"
    & skf21("2","7","6","6","6","2","7","1") = "6"
    & skf21("2","7","6","6","6","3","1","1") = "6"
    & skf21("2","7","6","6","6","3","2","1") = "6"
    & skf21("2","7","6","6","6","3","3","1") = "6"
    & skf21("2","7","6","6","6","3","4","1") = "6"
    & skf21("2","7","6","6","6","3","5","1") = "6"
    & skf21("2","7","6","6","6","3","6","1") = "6"
    & skf21("2","7","6","6","6","3","7","1") = "6"
    & skf21("2","7","6","6","6","4","1","1") = "6"
    & skf21("2","7","6","6","6","4","2","1") = "6"
    & skf21("2","7","6","6","6","4","3","1") = "6"
    & skf21("2","7","6","6","6","4","4","1") = "6"
    & skf21("2","7","6","6","6","4","5","1") = "6"
    & skf21("2","7","6","6","6","4","6","1") = "6"
    & skf21("2","7","6","6","6","4","7","1") = "6"
    & skf21("2","7","6","6","6","5","1","1") = "6"
    & skf21("2","7","6","6","6","5","2","1") = "6"
    & skf21("2","7","6","6","6","5","3","1") = "6"
    & skf21("2","7","6","6","6","5","4","1") = "6"
    & skf21("2","7","6","6","6","5","5","1") = "6"
    & skf21("2","7","6","6","6","5","6","1") = "6"
    & skf21("2","7","6","6","6","5","7","1") = "6"
    & skf21("2","7","6","6","6","6","1","1") = "6"
    & skf21("2","7","6","6","6","6","2","1") = "6"
    & skf21("2","7","6","6","6","6","3","1") = "6"
    & skf21("2","7","6","6","6","6","4","1") = "6"
    & skf21("2","7","6","6","6","6","5","1") = "6"
    & skf21("2","7","6","6","6","6","6","1") = "6"
    & skf21("2","7","6","6","6","6","7","1") = "6"
    & skf21("2","7","6","6","6","7","1","1") = "6"
    & skf21("2","7","6","6","6","7","2","1") = "6"
    & skf21("2","7","6","6","6","7","3","1") = "6"
    & skf21("2","7","6","6","6","7","4","1") = "6"
    & skf21("2","7","6","6","6","7","5","1") = "6"
    & skf21("2","7","6","6","6","7","6","1") = "6"
    & skf21("2","7","6","6","6","7","7","1") = "6"
    & skf21("2","7","6","6","7","1","1","1") = "6"
    & skf21("2","7","6","6","7","1","2","1") = "6"
    & skf21("2","7","6","6","7","1","3","1") = "6"
    & skf21("2","7","6","6","7","1","4","1") = "6"
    & skf21("2","7","6","6","7","1","5","1") = "6"
    & skf21("2","7","6","6","7","1","6","1") = "6"
    & skf21("2","7","6","6","7","1","7","1") = "6"
    & skf21("2","7","6","6","7","2","1","1") = "6"
    & skf21("2","7","6","6","7","2","2","1") = "6"
    & skf21("2","7","6","6","7","2","3","1") = "6"
    & skf21("2","7","6","6","7","2","4","1") = "6"
    & skf21("2","7","6","6","7","2","5","1") = "6"
    & skf21("2","7","6","6","7","2","6","1") = "6"
    & skf21("2","7","6","6","7","2","7","1") = "6"
    & skf21("2","7","6","6","7","3","1","1") = "6"
    & skf21("2","7","6","6","7","3","2","1") = "6"
    & skf21("2","7","6","6","7","3","3","1") = "6"
    & skf21("2","7","6","6","7","3","4","1") = "6"
    & skf21("2","7","6","6","7","3","5","1") = "6"
    & skf21("2","7","6","6","7","3","6","1") = "6"
    & skf21("2","7","6","6","7","3","7","1") = "6"
    & skf21("2","7","6","6","7","4","1","1") = "6"
    & skf21("2","7","6","6","7","4","2","1") = "6"
    & skf21("2","7","6","6","7","4","3","1") = "6"
    & skf21("2","7","6","6","7","4","4","1") = "6"
    & skf21("2","7","6","6","7","4","5","1") = "6"
    & skf21("2","7","6","6","7","4","6","1") = "6"
    & skf21("2","7","6","6","7","4","7","1") = "6"
    & skf21("2","7","6","6","7","5","1","1") = "6"
    & skf21("2","7","6","6","7","5","2","1") = "6"
    & skf21("2","7","6","6","7","5","3","1") = "6"
    & skf21("2","7","6","6","7","5","4","1") = "6"
    & skf21("2","7","6","6","7","5","5","1") = "6"
    & skf21("2","7","6","6","7","5","6","1") = "6"
    & skf21("2","7","6","6","7","5","7","1") = "6"
    & skf21("2","7","6","6","7","6","1","1") = "6"
    & skf21("2","7","6","6","7","6","2","1") = "6"
    & skf21("2","7","6","6","7","6","3","1") = "6"
    & skf21("2","7","6","6","7","6","4","1") = "6"
    & skf21("2","7","6","6","7","6","5","1") = "6"
    & skf21("2","7","6","6","7","6","6","1") = "6"
    & skf21("2","7","6","6","7","6","7","1") = "6"
    & skf21("2","7","6","6","7","7","1","1") = "6"
    & skf21("2","7","6","6","7","7","2","1") = "6"
    & skf21("2","7","6","6","7","7","3","1") = "6"
    & skf21("2","7","6","6","7","7","4","1") = "6"
    & skf21("2","7","6","6","7","7","5","1") = "6"
    & skf21("2","7","6","6","7","7","6","1") = "6"
    & skf21("2","7","6","6","7","7","7","1") = "6"
    & skf21("2","7","6","7","1","1","1","1") = "6"
    & skf21("2","7","6","7","1","1","2","1") = "6"
    & skf21("2","7","6","7","1","1","3","1") = "6"
    & skf21("2","7","6","7","1","1","4","1") = "6"
    & skf21("2","7","6","7","1","1","5","1") = "6"
    & skf21("2","7","6","7","1","1","6","1") = "6"
    & skf21("2","7","6","7","1","1","7","1") = "6"
    & skf21("2","7","6","7","1","2","1","1") = "6"
    & skf21("2","7","6","7","1","2","2","1") = "6"
    & skf21("2","7","6","7","1","2","3","1") = "6"
    & skf21("2","7","6","7","1","2","4","1") = "6"
    & skf21("2","7","6","7","1","2","5","1") = "6"
    & skf21("2","7","6","7","1","2","6","1") = "6"
    & skf21("2","7","6","7","1","2","7","1") = "6"
    & skf21("2","7","6","7","1","3","1","1") = "6"
    & skf21("2","7","6","7","1","3","2","1") = "6"
    & skf21("2","7","6","7","1","3","3","1") = "6"
    & skf21("2","7","6","7","1","3","4","1") = "6"
    & skf21("2","7","6","7","1","3","5","1") = "6"
    & skf21("2","7","6","7","1","3","6","1") = "6"
    & skf21("2","7","6","7","1","3","7","1") = "6"
    & skf21("2","7","6","7","1","4","1","1") = "6"
    & skf21("2","7","6","7","1","4","2","1") = "6"
    & skf21("2","7","6","7","1","4","3","1") = "6"
    & skf21("2","7","6","7","1","4","4","1") = "6"
    & skf21("2","7","6","7","1","4","5","1") = "6"
    & skf21("2","7","6","7","1","4","6","1") = "6"
    & skf21("2","7","6","7","1","4","7","1") = "6"
    & skf21("2","7","6","7","1","5","1","1") = "6"
    & skf21("2","7","6","7","1","5","2","1") = "6"
    & skf21("2","7","6","7","1","5","3","1") = "6"
    & skf21("2","7","6","7","1","5","4","1") = "6"
    & skf21("2","7","6","7","1","5","5","1") = "6"
    & skf21("2","7","6","7","1","5","6","1") = "6"
    & skf21("2","7","6","7","1","5","7","1") = "6"
    & skf21("2","7","6","7","1","6","1","1") = "6"
    & skf21("2","7","6","7","1","6","2","1") = "6"
    & skf21("2","7","6","7","1","6","3","1") = "6"
    & skf21("2","7","6","7","1","6","4","1") = "6"
    & skf21("2","7","6","7","1","6","5","1") = "6"
    & skf21("2","7","6","7","1","6","6","1") = "6"
    & skf21("2","7","6","7","1","6","7","1") = "6"
    & skf21("2","7","6","7","1","7","1","1") = "6"
    & skf21("2","7","6","7","1","7","2","1") = "6"
    & skf21("2","7","6","7","1","7","3","1") = "6"
    & skf21("2","7","6","7","1","7","4","1") = "6"
    & skf21("2","7","6","7","1","7","5","1") = "6"
    & skf21("2","7","6","7","1","7","6","1") = "6"
    & skf21("2","7","6","7","1","7","7","1") = "6"
    & skf21("2","7","6","7","2","1","1","1") = "6"
    & skf21("2","7","6","7","2","1","2","1") = "6"
    & skf21("2","7","6","7","2","1","3","1") = "6"
    & skf21("2","7","6","7","2","1","4","1") = "6"
    & skf21("2","7","6","7","2","1","5","1") = "6"
    & skf21("2","7","6","7","2","1","6","1") = "6"
    & skf21("2","7","6","7","2","1","7","1") = "6"
    & skf21("2","7","6","7","2","2","1","1") = "6"
    & skf21("2","7","6","7","2","2","2","1") = "6"
    & skf21("2","7","6","7","2","2","3","1") = "6"
    & skf21("2","7","6","7","2","2","4","1") = "6"
    & skf21("2","7","6","7","2","2","5","1") = "6"
    & skf21("2","7","6","7","2","2","6","1") = "6"
    & skf21("2","7","6","7","2","2","7","1") = "6"
    & skf21("2","7","6","7","2","3","1","1") = "6"
    & skf21("2","7","6","7","2","3","2","1") = "6"
    & skf21("2","7","6","7","2","3","3","1") = "6"
    & skf21("2","7","6","7","2","3","4","1") = "6"
    & skf21("2","7","6","7","2","3","5","1") = "6"
    & skf21("2","7","6","7","2","3","6","1") = "6"
    & skf21("2","7","6","7","2","3","7","1") = "6"
    & skf21("2","7","6","7","2","4","1","1") = "6"
    & skf21("2","7","6","7","2","4","2","1") = "6"
    & skf21("2","7","6","7","2","4","3","1") = "6"
    & skf21("2","7","6","7","2","4","4","1") = "6"
    & skf21("2","7","6","7","2","4","5","1") = "6"
    & skf21("2","7","6","7","2","4","6","1") = "6"
    & skf21("2","7","6","7","2","4","7","1") = "6"
    & skf21("2","7","6","7","2","5","1","1") = "6"
    & skf21("2","7","6","7","2","5","2","1") = "6"
    & skf21("2","7","6","7","2","5","3","1") = "6"
    & skf21("2","7","6","7","2","5","4","1") = "6"
    & skf21("2","7","6","7","2","5","5","1") = "6"
    & skf21("2","7","6","7","2","5","6","1") = "6"
    & skf21("2","7","6","7","2","5","7","1") = "6"
    & skf21("2","7","6","7","2","6","1","1") = "6"
    & skf21("2","7","6","7","2","6","2","1") = "6"
    & skf21("2","7","6","7","2","6","3","1") = "6"
    & skf21("2","7","6","7","2","6","4","1") = "6"
    & skf21("2","7","6","7","2","6","5","1") = "6"
    & skf21("2","7","6","7","2","6","6","1") = "6"
    & skf21("2","7","6","7","2","6","7","1") = "6"
    & skf21("2","7","6","7","2","7","1","1") = "6"
    & skf21("2","7","6","7","2","7","2","1") = "6"
    & skf21("2","7","6","7","2","7","3","1") = "6"
    & skf21("2","7","6","7","2","7","4","1") = "6"
    & skf21("2","7","6","7","2","7","5","1") = "6"
    & skf21("2","7","6","7","2","7","6","1") = "6"
    & skf21("2","7","6","7","2","7","7","1") = "6"
    & skf21("2","7","6","7","3","1","1","1") = "6"
    & skf21("2","7","6","7","3","1","2","1") = "6"
    & skf21("2","7","6","7","3","1","3","1") = "6"
    & skf21("2","7","6","7","3","1","4","1") = "6"
    & skf21("2","7","6","7","3","1","5","1") = "6"
    & skf21("2","7","6","7","3","1","6","1") = "6"
    & skf21("2","7","6","7","3","1","7","1") = "6"
    & skf21("2","7","6","7","3","2","1","1") = "6"
    & skf21("2","7","6","7","3","2","2","1") = "6"
    & skf21("2","7","6","7","3","2","3","1") = "6"
    & skf21("2","7","6","7","3","2","4","1") = "6"
    & skf21("2","7","6","7","3","2","5","1") = "6"
    & skf21("2","7","6","7","3","2","6","1") = "6"
    & skf21("2","7","6","7","3","2","7","1") = "6"
    & skf21("2","7","6","7","3","3","1","1") = "6"
    & skf21("2","7","6","7","3","3","2","1") = "6"
    & skf21("2","7","6","7","3","3","3","1") = "6"
    & skf21("2","7","6","7","3","3","4","1") = "6"
    & skf21("2","7","6","7","3","3","5","1") = "6"
    & skf21("2","7","6","7","3","3","6","1") = "6"
    & skf21("2","7","6","7","3","3","7","1") = "6"
    & skf21("2","7","6","7","3","4","1","1") = "6"
    & skf21("2","7","6","7","3","4","2","1") = "6"
    & skf21("2","7","6","7","3","4","3","1") = "6"
    & skf21("2","7","6","7","3","4","4","1") = "6"
    & skf21("2","7","6","7","3","4","5","1") = "6"
    & skf21("2","7","6","7","3","4","6","1") = "6"
    & skf21("2","7","6","7","3","4","7","1") = "6"
    & skf21("2","7","6","7","3","5","1","1") = "6"
    & skf21("2","7","6","7","3","5","2","1") = "6"
    & skf21("2","7","6","7","3","5","3","1") = "6"
    & skf21("2","7","6","7","3","5","4","1") = "6"
    & skf21("2","7","6","7","3","5","5","1") = "6"
    & skf21("2","7","6","7","3","5","6","1") = "6"
    & skf21("2","7","6","7","3","5","7","1") = "6"
    & skf21("2","7","6","7","3","6","1","1") = "6"
    & skf21("2","7","6","7","3","6","2","1") = "6"
    & skf21("2","7","6","7","3","6","3","1") = "6"
    & skf21("2","7","6","7","3","6","4","1") = "6"
    & skf21("2","7","6","7","3","6","5","1") = "6"
    & skf21("2","7","6","7","3","6","6","1") = "6"
    & skf21("2","7","6","7","3","6","7","1") = "6"
    & skf21("2","7","6","7","3","7","1","1") = "6"
    & skf21("2","7","6","7","3","7","2","1") = "6"
    & skf21("2","7","6","7","3","7","3","1") = "6"
    & skf21("2","7","6","7","3","7","4","1") = "6"
    & skf21("2","7","6","7","3","7","5","1") = "6"
    & skf21("2","7","6","7","3","7","6","1") = "6"
    & skf21("2","7","6","7","3","7","7","1") = "6"
    & skf21("2","7","6","7","4","1","1","1") = "6"
    & skf21("2","7","6","7","4","1","2","1") = "6"
    & skf21("2","7","6","7","4","1","3","1") = "6"
    & skf21("2","7","6","7","4","1","4","1") = "6"
    & skf21("2","7","6","7","4","1","5","1") = "6"
    & skf21("2","7","6","7","4","1","6","1") = "6"
    & skf21("2","7","6","7","4","1","7","1") = "6"
    & skf21("2","7","6","7","4","2","1","1") = "6"
    & skf21("2","7","6","7","4","2","2","1") = "6"
    & skf21("2","7","6","7","4","2","3","1") = "6"
    & skf21("2","7","6","7","4","2","4","1") = "6"
    & skf21("2","7","6","7","4","2","5","1") = "6"
    & skf21("2","7","6","7","4","2","6","1") = "6"
    & skf21("2","7","6","7","4","2","7","1") = "6"
    & skf21("2","7","6","7","4","3","1","1") = "6"
    & skf21("2","7","6","7","4","3","2","1") = "6"
    & skf21("2","7","6","7","4","3","3","1") = "6"
    & skf21("2","7","6","7","4","3","4","1") = "6"
    & skf21("2","7","6","7","4","3","5","1") = "6"
    & skf21("2","7","6","7","4","3","6","1") = "6"
    & skf21("2","7","6","7","4","3","7","1") = "6"
    & skf21("2","7","6","7","4","4","1","1") = "6"
    & skf21("2","7","6","7","4","4","2","1") = "6"
    & skf21("2","7","6","7","4","4","3","1") = "6"
    & skf21("2","7","6","7","4","4","4","1") = "6"
    & skf21("2","7","6","7","4","4","5","1") = "6"
    & skf21("2","7","6","7","4","4","6","1") = "6"
    & skf21("2","7","6","7","4","4","7","1") = "6"
    & skf21("2","7","6","7","4","5","1","1") = "6"
    & skf21("2","7","6","7","4","5","2","1") = "6"
    & skf21("2","7","6","7","4","5","3","1") = "6"
    & skf21("2","7","6","7","4","5","4","1") = "6"
    & skf21("2","7","6","7","4","5","5","1") = "6"
    & skf21("2","7","6","7","4","5","6","1") = "6"
    & skf21("2","7","6","7","4","5","7","1") = "6"
    & skf21("2","7","6","7","4","6","1","1") = "6"
    & skf21("2","7","6","7","4","6","2","1") = "6"
    & skf21("2","7","6","7","4","6","3","1") = "6"
    & skf21("2","7","6","7","4","6","4","1") = "6"
    & skf21("2","7","6","7","4","6","5","1") = "6"
    & skf21("2","7","6","7","4","6","6","1") = "6"
    & skf21("2","7","6","7","4","6","7","1") = "6"
    & skf21("2","7","6","7","4","7","1","1") = "6"
    & skf21("2","7","6","7","4","7","2","1") = "6"
    & skf21("2","7","6","7","4","7","3","1") = "6"
    & skf21("2","7","6","7","4","7","4","1") = "6"
    & skf21("2","7","6","7","4","7","5","1") = "6"
    & skf21("2","7","6","7","4","7","6","1") = "6"
    & skf21("2","7","6","7","4","7","7","1") = "6"
    & skf21("2","7","6","7","5","1","1","1") = "6"
    & skf21("2","7","6","7","5","1","2","1") = "6"
    & skf21("2","7","6","7","5","1","3","1") = "6"
    & skf21("2","7","6","7","5","1","4","1") = "6"
    & skf21("2","7","6","7","5","1","5","1") = "6"
    & skf21("2","7","6","7","5","1","6","1") = "6"
    & skf21("2","7","6","7","5","1","7","1") = "6"
    & skf21("2","7","6","7","5","2","1","1") = "6"
    & skf21("2","7","6","7","5","2","2","1") = "6"
    & skf21("2","7","6","7","5","2","3","1") = "6"
    & skf21("2","7","6","7","5","2","4","1") = "6"
    & skf21("2","7","6","7","5","2","5","1") = "6"
    & skf21("2","7","6","7","5","2","6","1") = "6"
    & skf21("2","7","6","7","5","2","7","1") = "6"
    & skf21("2","7","6","7","5","3","1","1") = "6"
    & skf21("2","7","6","7","5","3","2","1") = "6"
    & skf21("2","7","6","7","5","3","3","1") = "6"
    & skf21("2","7","6","7","5","3","4","1") = "6"
    & skf21("2","7","6","7","5","3","5","1") = "6"
    & skf21("2","7","6","7","5","3","6","1") = "6"
    & skf21("2","7","6","7","5","3","7","1") = "6"
    & skf21("2","7","6","7","5","4","1","1") = "6"
    & skf21("2","7","6","7","5","4","2","1") = "6"
    & skf21("2","7","6","7","5","4","3","1") = "6"
    & skf21("2","7","6","7","5","4","4","1") = "6"
    & skf21("2","7","6","7","5","4","5","1") = "6"
    & skf21("2","7","6","7","5","4","6","1") = "6"
    & skf21("2","7","6","7","5","4","7","1") = "6"
    & skf21("2","7","6","7","5","5","1","1") = "6"
    & skf21("2","7","6","7","5","5","2","1") = "6"
    & skf21("2","7","6","7","5","5","3","1") = "6"
    & skf21("2","7","6","7","5","5","4","1") = "6"
    & skf21("2","7","6","7","5","5","5","1") = "6"
    & skf21("2","7","6","7","5","5","6","1") = "6"
    & skf21("2","7","6","7","5","5","7","1") = "6"
    & skf21("2","7","6","7","5","6","1","1") = "6"
    & skf21("2","7","6","7","5","6","2","1") = "6"
    & skf21("2","7","6","7","5","6","3","1") = "6"
    & skf21("2","7","6","7","5","6","4","1") = "6"
    & skf21("2","7","6","7","5","6","5","1") = "6"
    & skf21("2","7","6","7","5","6","6","1") = "6"
    & skf21("2","7","6","7","5","6","7","1") = "6"
    & skf21("2","7","6","7","5","7","1","1") = "6"
    & skf21("2","7","6","7","5","7","2","1") = "6"
    & skf21("2","7","6","7","5","7","3","1") = "6"
    & skf21("2","7","6","7","5","7","4","1") = "6"
    & skf21("2","7","6","7","5","7","5","1") = "6"
    & skf21("2","7","6","7","5","7","6","1") = "6"
    & skf21("2","7","6","7","5","7","7","1") = "6"
    & skf21("2","7","6","7","6","1","1","1") = "6"
    & skf21("2","7","6","7","6","1","2","1") = "6"
    & skf21("2","7","6","7","6","1","3","1") = "6"
    & skf21("2","7","6","7","6","1","4","1") = "6"
    & skf21("2","7","6","7","6","1","5","1") = "6"
    & skf21("2","7","6","7","6","1","6","1") = "6"
    & skf21("2","7","6","7","6","1","7","1") = "6"
    & skf21("2","7","6","7","6","2","1","1") = "6"
    & skf21("2","7","6","7","6","2","2","1") = "6"
    & skf21("2","7","6","7","6","2","3","1") = "6"
    & skf21("2","7","6","7","6","2","4","1") = "6"
    & skf21("2","7","6","7","6","2","5","1") = "6"
    & skf21("2","7","6","7","6","2","6","1") = "6"
    & skf21("2","7","6","7","6","2","7","1") = "6"
    & skf21("2","7","6","7","6","3","1","1") = "6"
    & skf21("2","7","6","7","6","3","2","1") = "6"
    & skf21("2","7","6","7","6","3","3","1") = "6"
    & skf21("2","7","6","7","6","3","4","1") = "6"
    & skf21("2","7","6","7","6","3","5","1") = "6"
    & skf21("2","7","6","7","6","3","6","1") = "6"
    & skf21("2","7","6","7","6","3","7","1") = "6"
    & skf21("2","7","6","7","6","4","1","1") = "6"
    & skf21("2","7","6","7","6","4","2","1") = "6"
    & skf21("2","7","6","7","6","4","3","1") = "6"
    & skf21("2","7","6","7","6","4","4","1") = "6"
    & skf21("2","7","6","7","6","4","5","1") = "6"
    & skf21("2","7","6","7","6","4","6","1") = "6"
    & skf21("2","7","6","7","6","4","7","1") = "6"
    & skf21("2","7","6","7","6","5","1","1") = "6"
    & skf21("2","7","6","7","6","5","2","1") = "6"
    & skf21("2","7","6","7","6","5","3","1") = "6"
    & skf21("2","7","6","7","6","5","4","1") = "6"
    & skf21("2","7","6","7","6","5","5","1") = "6"
    & skf21("2","7","6","7","6","5","6","1") = "6"
    & skf21("2","7","6","7","6","5","7","1") = "6"
    & skf21("2","7","6","7","6","6","1","1") = "6"
    & skf21("2","7","6","7","6","6","2","1") = "6"
    & skf21("2","7","6","7","6","6","3","1") = "6"
    & skf21("2","7","6","7","6","6","4","1") = "6"
    & skf21("2","7","6","7","6","6","5","1") = "6"
    & skf21("2","7","6","7","6","6","6","1") = "6"
    & skf21("2","7","6","7","6","6","7","1") = "6"
    & skf21("2","7","6","7","6","7","1","1") = "6"
    & skf21("2","7","6","7","6","7","2","1") = "6"
    & skf21("2","7","6","7","6","7","3","1") = "6"
    & skf21("2","7","6","7","6","7","4","1") = "6"
    & skf21("2","7","6","7","6","7","5","1") = "6"
    & skf21("2","7","6","7","6","7","6","1") = "6"
    & skf21("2","7","6","7","6","7","7","1") = "6"
    & skf21("2","7","6","7","7","1","1","1") = "6"
    & skf21("2","7","6","7","7","1","2","1") = "6"
    & skf21("2","7","6","7","7","1","3","1") = "6"
    & skf21("2","7","6","7","7","1","4","1") = "6"
    & skf21("2","7","6","7","7","1","5","1") = "6"
    & skf21("2","7","6","7","7","1","6","1") = "6"
    & skf21("2","7","6","7","7","1","7","1") = "6"
    & skf21("2","7","6","7","7","2","1","1") = "6"
    & skf21("2","7","6","7","7","2","2","1") = "6"
    & skf21("2","7","6","7","7","2","3","1") = "6"
    & skf21("2","7","6","7","7","2","4","1") = "6"
    & skf21("2","7","6","7","7","2","5","1") = "6"
    & skf21("2","7","6","7","7","2","6","1") = "6"
    & skf21("2","7","6","7","7","2","7","1") = "6"
    & skf21("2","7","6","7","7","3","1","1") = "6"
    & skf21("2","7","6","7","7","3","2","1") = "6"
    & skf21("2","7","6","7","7","3","3","1") = "6"
    & skf21("2","7","6","7","7","3","4","1") = "6"
    & skf21("2","7","6","7","7","3","5","1") = "6"
    & skf21("2","7","6","7","7","3","6","1") = "6"
    & skf21("2","7","6","7","7","3","7","1") = "6"
    & skf21("2","7","6","7","7","4","1","1") = "6"
    & skf21("2","7","6","7","7","4","2","1") = "6"
    & skf21("2","7","6","7","7","4","3","1") = "6"
    & skf21("2","7","6","7","7","4","4","1") = "6"
    & skf21("2","7","6","7","7","4","5","1") = "6"
    & skf21("2","7","6","7","7","4","6","1") = "6"
    & skf21("2","7","6","7","7","4","7","1") = "6"
    & skf21("2","7","6","7","7","5","1","1") = "6"
    & skf21("2","7","6","7","7","5","2","1") = "6"
    & skf21("2","7","6","7","7","5","3","1") = "6"
    & skf21("2","7","6","7","7","5","4","1") = "6"
    & skf21("2","7","6","7","7","5","5","1") = "6"
    & skf21("2","7","6","7","7","5","6","1") = "6"
    & skf21("2","7","6","7","7","5","7","1") = "6"
    & skf21("2","7","6","7","7","6","1","1") = "6"
    & skf21("2","7","6","7","7","6","2","1") = "6"
    & skf21("2","7","6","7","7","6","3","1") = "6"
    & skf21("2","7","6","7","7","6","4","1") = "6"
    & skf21("2","7","6","7","7","6","5","1") = "6"
    & skf21("2","7","6","7","7","6","6","1") = "6"
    & skf21("2","7","6","7","7","6","7","1") = "6"
    & skf21("2","7","6","7","7","7","1","1") = "6"
    & skf21("2","7","6","7","7","7","2","1") = "6"
    & skf21("2","7","6","7","7","7","3","1") = "6"
    & skf21("2","7","6","7","7","7","4","1") = "6"
    & skf21("2","7","6","7","7","7","5","1") = "6"
    & skf21("2","7","6","7","7","7","6","1") = "6"
    & skf21("2","7","6","7","7","7","7","1") = "6"
    & skf21("2","7","7","1","1","1","1","1") = "6"
    & skf21("2","7","7","1","1","1","2","1") = "6"
    & skf21("2","7","7","1","1","1","3","1") = "6"
    & skf21("2","7","7","1","1","1","4","1") = "6"
    & skf21("2","7","7","1","1","1","5","1") = "6"
    & skf21("2","7","7","1","1","1","6","1") = "6"
    & skf21("2","7","7","1","1","1","7","1") = "6"
    & skf21("2","7","7","1","1","2","1","1") = "6"
    & skf21("2","7","7","1","1","2","2","1") = "6"
    & skf21("2","7","7","1","1","2","3","1") = "6"
    & skf21("2","7","7","1","1","2","4","1") = "6"
    & skf21("2","7","7","1","1","2","5","1") = "6"
    & skf21("2","7","7","1","1","2","6","1") = "6"
    & skf21("2","7","7","1","1","2","7","1") = "6"
    & skf21("2","7","7","1","1","3","1","1") = "6"
    & skf21("2","7","7","1","1","3","2","1") = "6"
    & skf21("2","7","7","1","1","3","3","1") = "6"
    & skf21("2","7","7","1","1","3","4","1") = "6"
    & skf21("2","7","7","1","1","3","5","1") = "6"
    & skf21("2","7","7","1","1","3","6","1") = "6"
    & skf21("2","7","7","1","1","3","7","1") = "6"
    & skf21("2","7","7","1","1","4","1","1") = "6"
    & skf21("2","7","7","1","1","4","2","1") = "6"
    & skf21("2","7","7","1","1","4","3","1") = "6"
    & skf21("2","7","7","1","1","4","4","1") = "6"
    & skf21("2","7","7","1","1","4","5","1") = "6"
    & skf21("2","7","7","1","1","4","6","1") = "6"
    & skf21("2","7","7","1","1","4","7","1") = "6"
    & skf21("2","7","7","1","1","5","1","1") = "6"
    & skf21("2","7","7","1","1","5","2","1") = "6"
    & skf21("2","7","7","1","1","5","3","1") = "6"
    & skf21("2","7","7","1","1","5","4","1") = "6"
    & skf21("2","7","7","1","1","5","5","1") = "6"
    & skf21("2","7","7","1","1","5","6","1") = "6"
    & skf21("2","7","7","1","1","5","7","1") = "6"
    & skf21("2","7","7","1","1","6","1","1") = "6"
    & skf21("2","7","7","1","1","6","2","1") = "6"
    & skf21("2","7","7","1","1","6","3","1") = "6"
    & skf21("2","7","7","1","1","6","4","1") = "6"
    & skf21("2","7","7","1","1","6","5","1") = "6"
    & skf21("2","7","7","1","1","6","6","1") = "6"
    & skf21("2","7","7","1","1","6","7","1") = "6"
    & skf21("2","7","7","1","1","7","1","1") = "6"
    & skf21("2","7","7","1","1","7","2","1") = "6"
    & skf21("2","7","7","1","1","7","3","1") = "6"
    & skf21("2","7","7","1","1","7","4","1") = "6"
    & skf21("2","7","7","1","1","7","5","1") = "6"
    & skf21("2","7","7","1","1","7","6","1") = "6"
    & skf21("2","7","7","1","1","7","7","1") = "6"
    & skf21("2","7","7","1","2","1","1","1") = "6"
    & skf21("2","7","7","1","2","1","2","1") = "6"
    & skf21("2","7","7","1","2","1","3","1") = "6"
    & skf21("2","7","7","1","2","1","4","1") = "6"
    & skf21("2","7","7","1","2","1","5","1") = "6"
    & skf21("2","7","7","1","2","1","6","1") = "6"
    & skf21("2","7","7","1","2","1","7","1") = "6"
    & skf21("2","7","7","1","2","2","1","1") = "6"
    & skf21("2","7","7","1","2","2","2","1") = "6"
    & skf21("2","7","7","1","2","2","3","1") = "6"
    & skf21("2","7","7","1","2","2","4","1") = "6"
    & skf21("2","7","7","1","2","2","5","1") = "6"
    & skf21("2","7","7","1","2","2","6","1") = "6"
    & skf21("2","7","7","1","2","2","7","1") = "6"
    & skf21("2","7","7","1","2","3","1","1") = "6"
    & skf21("2","7","7","1","2","3","2","1") = "6"
    & skf21("2","7","7","1","2","3","3","1") = "6"
    & skf21("2","7","7","1","2","3","4","1") = "6"
    & skf21("2","7","7","1","2","3","5","1") = "6"
    & skf21("2","7","7","1","2","3","6","1") = "6"
    & skf21("2","7","7","1","2","3","7","1") = "6"
    & skf21("2","7","7","1","2","4","1","1") = "6"
    & skf21("2","7","7","1","2","4","2","1") = "6"
    & skf21("2","7","7","1","2","4","3","1") = "6"
    & skf21("2","7","7","1","2","4","4","1") = "6"
    & skf21("2","7","7","1","2","4","5","1") = "6"
    & skf21("2","7","7","1","2","4","6","1") = "6"
    & skf21("2","7","7","1","2","4","7","1") = "6"
    & skf21("2","7","7","1","2","5","1","1") = "6"
    & skf21("2","7","7","1","2","5","2","1") = "6"
    & skf21("2","7","7","1","2","5","3","1") = "6"
    & skf21("2","7","7","1","2","5","4","1") = "6"
    & skf21("2","7","7","1","2","5","5","1") = "6"
    & skf21("2","7","7","1","2","5","6","1") = "6"
    & skf21("2","7","7","1","2","5","7","1") = "6"
    & skf21("2","7","7","1","2","6","1","1") = "6"
    & skf21("2","7","7","1","2","6","2","1") = "6"
    & skf21("2","7","7","1","2","6","3","1") = "6"
    & skf21("2","7","7","1","2","6","4","1") = "6"
    & skf21("2","7","7","1","2","6","5","1") = "6"
    & skf21("2","7","7","1","2","6","6","1") = "6"
    & skf21("2","7","7","1","2","6","7","1") = "6"
    & skf21("2","7","7","1","2","7","1","1") = "6"
    & skf21("2","7","7","1","2","7","2","1") = "6"
    & skf21("2","7","7","1","2","7","3","1") = "6"
    & skf21("2","7","7","1","2","7","4","1") = "6"
    & skf21("2","7","7","1","2","7","5","1") = "6"
    & skf21("2","7","7","1","2","7","6","1") = "6"
    & skf21("2","7","7","1","2","7","7","1") = "6"
    & skf21("2","7","7","1","3","1","1","1") = "6"
    & skf21("2","7","7","1","3","1","2","1") = "6"
    & skf21("2","7","7","1","3","1","3","1") = "6"
    & skf21("2","7","7","1","3","1","4","1") = "6"
    & skf21("2","7","7","1","3","1","5","1") = "6"
    & skf21("2","7","7","1","3","1","6","1") = "6"
    & skf21("2","7","7","1","3","1","7","1") = "6"
    & skf21("2","7","7","1","3","2","1","1") = "6"
    & skf21("2","7","7","1","3","2","2","1") = "6"
    & skf21("2","7","7","1","3","2","3","1") = "6"
    & skf21("2","7","7","1","3","2","4","1") = "6"
    & skf21("2","7","7","1","3","2","5","1") = "6"
    & skf21("2","7","7","1","3","2","6","1") = "6"
    & skf21("2","7","7","1","3","2","7","1") = "6"
    & skf21("2","7","7","1","3","3","1","1") = "6"
    & skf21("2","7","7","1","3","3","2","1") = "6"
    & skf21("2","7","7","1","3","3","3","1") = "6"
    & skf21("2","7","7","1","3","3","4","1") = "6"
    & skf21("2","7","7","1","3","3","5","1") = "6"
    & skf21("2","7","7","1","3","3","6","1") = "6"
    & skf21("2","7","7","1","3","3","7","1") = "6"
    & skf21("2","7","7","1","3","4","1","1") = "6"
    & skf21("2","7","7","1","3","4","2","1") = "6"
    & skf21("2","7","7","1","3","4","3","1") = "6"
    & skf21("2","7","7","1","3","4","4","1") = "6"
    & skf21("2","7","7","1","3","4","5","1") = "6"
    & skf21("2","7","7","1","3","4","6","1") = "6"
    & skf21("2","7","7","1","3","4","7","1") = "6"
    & skf21("2","7","7","1","3","5","1","1") = "6"
    & skf21("2","7","7","1","3","5","2","1") = "6"
    & skf21("2","7","7","1","3","5","3","1") = "6"
    & skf21("2","7","7","1","3","5","4","1") = "6"
    & skf21("2","7","7","1","3","5","5","1") = "6"
    & skf21("2","7","7","1","3","5","6","1") = "6"
    & skf21("2","7","7","1","3","5","7","1") = "6"
    & skf21("2","7","7","1","3","6","1","1") = "6"
    & skf21("2","7","7","1","3","6","2","1") = "6"
    & skf21("2","7","7","1","3","6","3","1") = "6"
    & skf21("2","7","7","1","3","6","4","1") = "6"
    & skf21("2","7","7","1","3","6","5","1") = "6"
    & skf21("2","7","7","1","3","6","6","1") = "6"
    & skf21("2","7","7","1","3","6","7","1") = "6"
    & skf21("2","7","7","1","3","7","1","1") = "6"
    & skf21("2","7","7","1","3","7","2","1") = "6"
    & skf21("2","7","7","1","3","7","3","1") = "6"
    & skf21("2","7","7","1","3","7","4","1") = "6"
    & skf21("2","7","7","1","3","7","5","1") = "6"
    & skf21("2","7","7","1","3","7","6","1") = "6"
    & skf21("2","7","7","1","3","7","7","1") = "6"
    & skf21("2","7","7","1","4","1","1","1") = "6"
    & skf21("2","7","7","1","4","1","2","1") = "6"
    & skf21("2","7","7","1","4","1","3","1") = "6"
    & skf21("2","7","7","1","4","1","4","1") = "6"
    & skf21("2","7","7","1","4","1","5","1") = "6"
    & skf21("2","7","7","1","4","1","6","1") = "6"
    & skf21("2","7","7","1","4","1","7","1") = "6"
    & skf21("2","7","7","1","4","2","1","1") = "6"
    & skf21("2","7","7","1","4","2","2","1") = "6"
    & skf21("2","7","7","1","4","2","3","1") = "6"
    & skf21("2","7","7","1","4","2","4","1") = "6"
    & skf21("2","7","7","1","4","2","5","1") = "6"
    & skf21("2","7","7","1","4","2","6","1") = "6"
    & skf21("2","7","7","1","4","2","7","1") = "6"
    & skf21("2","7","7","1","4","3","1","1") = "6"
    & skf21("2","7","7","1","4","3","2","1") = "6"
    & skf21("2","7","7","1","4","3","3","1") = "6"
    & skf21("2","7","7","1","4","3","4","1") = "6"
    & skf21("2","7","7","1","4","3","5","1") = "6"
    & skf21("2","7","7","1","4","3","6","1") = "6"
    & skf21("2","7","7","1","4","3","7","1") = "6"
    & skf21("2","7","7","1","4","4","1","1") = "6"
    & skf21("2","7","7","1","4","4","2","1") = "6"
    & skf21("2","7","7","1","4","4","3","1") = "6"
    & skf21("2","7","7","1","4","4","4","1") = "6"
    & skf21("2","7","7","1","4","4","5","1") = "6"
    & skf21("2","7","7","1","4","4","6","1") = "6"
    & skf21("2","7","7","1","4","4","7","1") = "6"
    & skf21("2","7","7","1","4","5","1","1") = "6"
    & skf21("2","7","7","1","4","5","2","1") = "6"
    & skf21("2","7","7","1","4","5","3","1") = "6"
    & skf21("2","7","7","1","4","5","4","1") = "6"
    & skf21("2","7","7","1","4","5","5","1") = "6"
    & skf21("2","7","7","1","4","5","6","1") = "6"
    & skf21("2","7","7","1","4","5","7","1") = "6"
    & skf21("2","7","7","1","4","6","1","1") = "6"
    & skf21("2","7","7","1","4","6","2","1") = "6"
    & skf21("2","7","7","1","4","6","3","1") = "6"
    & skf21("2","7","7","1","4","6","4","1") = "6"
    & skf21("2","7","7","1","4","6","5","1") = "6"
    & skf21("2","7","7","1","4","6","6","1") = "6"
    & skf21("2","7","7","1","4","6","7","1") = "6"
    & skf21("2","7","7","1","4","7","1","1") = "6"
    & skf21("2","7","7","1","4","7","2","1") = "6"
    & skf21("2","7","7","1","4","7","3","1") = "6"
    & skf21("2","7","7","1","4","7","4","1") = "6"
    & skf21("2","7","7","1","4","7","5","1") = "6"
    & skf21("2","7","7","1","4","7","6","1") = "6"
    & skf21("2","7","7","1","4","7","7","1") = "6"
    & skf21("2","7","7","1","5","1","1","1") = "6"
    & skf21("2","7","7","1","5","1","2","1") = "6"
    & skf21("2","7","7","1","5","1","3","1") = "6"
    & skf21("2","7","7","1","5","1","4","1") = "6"
    & skf21("2","7","7","1","5","1","5","1") = "6"
    & skf21("2","7","7","1","5","1","6","1") = "6"
    & skf21("2","7","7","1","5","1","7","1") = "6"
    & skf21("2","7","7","1","5","2","1","1") = "6"
    & skf21("2","7","7","1","5","2","2","1") = "6"
    & skf21("2","7","7","1","5","2","3","1") = "6"
    & skf21("2","7","7","1","5","2","4","1") = "6"
    & skf21("2","7","7","1","5","2","5","1") = "6"
    & skf21("2","7","7","1","5","2","6","1") = "6"
    & skf21("2","7","7","1","5","2","7","1") = "6"
    & skf21("2","7","7","1","5","3","1","1") = "6"
    & skf21("2","7","7","1","5","3","2","1") = "6"
    & skf21("2","7","7","1","5","3","3","1") = "6"
    & skf21("2","7","7","1","5","3","4","1") = "6"
    & skf21("2","7","7","1","5","3","5","1") = "6"
    & skf21("2","7","7","1","5","3","6","1") = "6"
    & skf21("2","7","7","1","5","3","7","1") = "6"
    & skf21("2","7","7","1","5","4","1","1") = "6"
    & skf21("2","7","7","1","5","4","2","1") = "6"
    & skf21("2","7","7","1","5","4","3","1") = "6"
    & skf21("2","7","7","1","5","4","4","1") = "6"
    & skf21("2","7","7","1","5","4","5","1") = "6"
    & skf21("2","7","7","1","5","4","6","1") = "6"
    & skf21("2","7","7","1","5","4","7","1") = "6"
    & skf21("2","7","7","1","5","5","1","1") = "6"
    & skf21("2","7","7","1","5","5","2","1") = "6"
    & skf21("2","7","7","1","5","5","3","1") = "6"
    & skf21("2","7","7","1","5","5","4","1") = "6"
    & skf21("2","7","7","1","5","5","5","1") = "6"
    & skf21("2","7","7","1","5","5","6","1") = "6"
    & skf21("2","7","7","1","5","5","7","1") = "6"
    & skf21("2","7","7","1","5","6","1","1") = "6"
    & skf21("2","7","7","1","5","6","2","1") = "6"
    & skf21("2","7","7","1","5","6","3","1") = "6"
    & skf21("2","7","7","1","5","6","4","1") = "6"
    & skf21("2","7","7","1","5","6","5","1") = "6"
    & skf21("2","7","7","1","5","6","6","1") = "6"
    & skf21("2","7","7","1","5","6","7","1") = "6"
    & skf21("2","7","7","1","5","7","1","1") = "6"
    & skf21("2","7","7","1","5","7","2","1") = "6"
    & skf21("2","7","7","1","5","7","3","1") = "6"
    & skf21("2","7","7","1","5","7","4","1") = "6"
    & skf21("2","7","7","1","5","7","5","1") = "6"
    & skf21("2","7","7","1","5","7","6","1") = "6"
    & skf21("2","7","7","1","5","7","7","1") = "6"
    & skf21("2","7","7","1","6","1","1","1") = "6"
    & skf21("2","7","7","1","6","1","2","1") = "6"
    & skf21("2","7","7","1","6","1","3","1") = "6"
    & skf21("2","7","7","1","6","1","4","1") = "6"
    & skf21("2","7","7","1","6","1","5","1") = "6"
    & skf21("2","7","7","1","6","1","6","1") = "6"
    & skf21("2","7","7","1","6","1","7","1") = "6"
    & skf21("2","7","7","1","6","2","1","1") = "6"
    & skf21("2","7","7","1","6","2","2","1") = "6"
    & skf21("2","7","7","1","6","2","3","1") = "6"
    & skf21("2","7","7","1","6","2","4","1") = "6"
    & skf21("2","7","7","1","6","2","5","1") = "6"
    & skf21("2","7","7","1","6","2","6","1") = "6"
    & skf21("2","7","7","1","6","2","7","1") = "6"
    & skf21("2","7","7","1","6","3","1","1") = "6"
    & skf21("2","7","7","1","6","3","2","1") = "6"
    & skf21("2","7","7","1","6","3","3","1") = "6"
    & skf21("2","7","7","1","6","3","4","1") = "6"
    & skf21("2","7","7","1","6","3","5","1") = "6"
    & skf21("2","7","7","1","6","3","6","1") = "6"
    & skf21("2","7","7","1","6","3","7","1") = "6"
    & skf21("2","7","7","1","6","4","1","1") = "6"
    & skf21("2","7","7","1","6","4","2","1") = "6"
    & skf21("2","7","7","1","6","4","3","1") = "6"
    & skf21("2","7","7","1","6","4","4","1") = "6"
    & skf21("2","7","7","1","6","4","5","1") = "6"
    & skf21("2","7","7","1","6","4","6","1") = "6"
    & skf21("2","7","7","1","6","4","7","1") = "6"
    & skf21("2","7","7","1","6","5","1","1") = "6"
    & skf21("2","7","7","1","6","5","2","1") = "6"
    & skf21("2","7","7","1","6","5","3","1") = "6"
    & skf21("2","7","7","1","6","5","4","1") = "6"
    & skf21("2","7","7","1","6","5","5","1") = "6"
    & skf21("2","7","7","1","6","5","6","1") = "6"
    & skf21("2","7","7","1","6","5","7","1") = "6"
    & skf21("2","7","7","1","6","6","1","1") = "6"
    & skf21("2","7","7","1","6","6","2","1") = "6"
    & skf21("2","7","7","1","6","6","3","1") = "6"
    & skf21("2","7","7","1","6","6","4","1") = "6"
    & skf21("2","7","7","1","6","6","5","1") = "6"
    & skf21("2","7","7","1","6","6","6","1") = "6"
    & skf21("2","7","7","1","6","6","7","1") = "6"
    & skf21("2","7","7","1","6","7","1","1") = "6"
    & skf21("2","7","7","1","6","7","2","1") = "6"
    & skf21("2","7","7","1","6","7","3","1") = "6"
    & skf21("2","7","7","1","6","7","4","1") = "6"
    & skf21("2","7","7","1","6","7","5","1") = "6"
    & skf21("2","7","7","1","6","7","6","1") = "6"
    & skf21("2","7","7","1","6","7","7","1") = "6"
    & skf21("2","7","7","1","7","1","1","1") = "6"
    & skf21("2","7","7","1","7","1","2","1") = "6"
    & skf21("2","7","7","1","7","1","3","1") = "6"
    & skf21("2","7","7","1","7","1","4","1") = "6"
    & skf21("2","7","7","1","7","1","5","1") = "6"
    & skf21("2","7","7","1","7","1","6","1") = "6"
    & skf21("2","7","7","1","7","1","7","1") = "6"
    & skf21("2","7","7","1","7","2","1","1") = "6"
    & skf21("2","7","7","1","7","2","2","1") = "6"
    & skf21("2","7","7","1","7","2","3","1") = "6"
    & skf21("2","7","7","1","7","2","4","1") = "6"
    & skf21("2","7","7","1","7","2","5","1") = "6"
    & skf21("2","7","7","1","7","2","6","1") = "6"
    & skf21("2","7","7","1","7","2","7","1") = "6"
    & skf21("2","7","7","1","7","3","1","1") = "6"
    & skf21("2","7","7","1","7","3","2","1") = "6"
    & skf21("2","7","7","1","7","3","3","1") = "6"
    & skf21("2","7","7","1","7","3","4","1") = "6"
    & skf21("2","7","7","1","7","3","5","1") = "6"
    & skf21("2","7","7","1","7","3","6","1") = "6"
    & skf21("2","7","7","1","7","3","7","1") = "6"
    & skf21("2","7","7","1","7","4","1","1") = "6"
    & skf21("2","7","7","1","7","4","2","1") = "6"
    & skf21("2","7","7","1","7","4","3","1") = "6"
    & skf21("2","7","7","1","7","4","4","1") = "6"
    & skf21("2","7","7","1","7","4","5","1") = "6"
    & skf21("2","7","7","1","7","4","6","1") = "6"
    & skf21("2","7","7","1","7","4","7","1") = "6"
    & skf21("2","7","7","1","7","5","1","1") = "6"
    & skf21("2","7","7","1","7","5","2","1") = "6"
    & skf21("2","7","7","1","7","5","3","1") = "6"
    & skf21("2","7","7","1","7","5","4","1") = "6"
    & skf21("2","7","7","1","7","5","5","1") = "6"
    & skf21("2","7","7","1","7","5","6","1") = "6"
    & skf21("2","7","7","1","7","5","7","1") = "6"
    & skf21("2","7","7","1","7","6","1","1") = "6"
    & skf21("2","7","7","1","7","6","2","1") = "6"
    & skf21("2","7","7","1","7","6","3","1") = "6"
    & skf21("2","7","7","1","7","6","4","1") = "6"
    & skf21("2","7","7","1","7","6","5","1") = "6"
    & skf21("2","7","7","1","7","6","6","1") = "6"
    & skf21("2","7","7","1","7","6","7","1") = "6"
    & skf21("2","7","7","1","7","7","1","1") = "6"
    & skf21("2","7","7","1","7","7","2","1") = "6"
    & skf21("2","7","7","1","7","7","3","1") = "6"
    & skf21("2","7","7","1","7","7","4","1") = "6"
    & skf21("2","7","7","1","7","7","5","1") = "6"
    & skf21("2","7","7","1","7","7","6","1") = "6"
    & skf21("2","7","7","1","7","7","7","1") = "6"
    & skf21("2","7","7","2","1","1","1","1") = "6"
    & skf21("2","7","7","2","1","1","2","1") = "6"
    & skf21("2","7","7","2","1","1","3","1") = "6"
    & skf21("2","7","7","2","1","1","4","1") = "6"
    & skf21("2","7","7","2","1","1","5","1") = "6"
    & skf21("2","7","7","2","1","1","6","1") = "6"
    & skf21("2","7","7","2","1","1","7","1") = "6"
    & skf21("2","7","7","2","1","2","1","1") = "6"
    & skf21("2","7","7","2","1","2","2","1") = "6"
    & skf21("2","7","7","2","1","2","3","1") = "6"
    & skf21("2","7","7","2","1","2","4","1") = "6"
    & skf21("2","7","7","2","1","2","5","1") = "6"
    & skf21("2","7","7","2","1","2","6","1") = "6"
    & skf21("2","7","7","2","1","2","7","1") = "6"
    & skf21("2","7","7","2","1","3","1","1") = "6"
    & skf21("2","7","7","2","1","3","2","1") = "6"
    & skf21("2","7","7","2","1","3","3","1") = "6"
    & skf21("2","7","7","2","1","3","4","1") = "6"
    & skf21("2","7","7","2","1","3","5","1") = "6"
    & skf21("2","7","7","2","1","3","6","1") = "6"
    & skf21("2","7","7","2","1","3","7","1") = "6"
    & skf21("2","7","7","2","1","4","1","1") = "6"
    & skf21("2","7","7","2","1","4","2","1") = "6"
    & skf21("2","7","7","2","1","4","3","1") = "6"
    & skf21("2","7","7","2","1","4","4","1") = "6"
    & skf21("2","7","7","2","1","4","5","1") = "6"
    & skf21("2","7","7","2","1","4","6","1") = "6"
    & skf21("2","7","7","2","1","4","7","1") = "6"
    & skf21("2","7","7","2","1","5","1","1") = "6"
    & skf21("2","7","7","2","1","5","2","1") = "6"
    & skf21("2","7","7","2","1","5","3","1") = "6"
    & skf21("2","7","7","2","1","5","4","1") = "6"
    & skf21("2","7","7","2","1","5","5","1") = "6"
    & skf21("2","7","7","2","1","5","6","1") = "6"
    & skf21("2","7","7","2","1","5","7","1") = "6"
    & skf21("2","7","7","2","1","6","1","1") = "6"
    & skf21("2","7","7","2","1","6","2","1") = "6"
    & skf21("2","7","7","2","1","6","3","1") = "6"
    & skf21("2","7","7","2","1","6","4","1") = "6"
    & skf21("2","7","7","2","1","6","5","1") = "6"
    & skf21("2","7","7","2","1","6","6","1") = "6"
    & skf21("2","7","7","2","1","6","7","1") = "6"
    & skf21("2","7","7","2","1","7","1","1") = "6"
    & skf21("2","7","7","2","1","7","2","1") = "6"
    & skf21("2","7","7","2","1","7","3","1") = "6"
    & skf21("2","7","7","2","1","7","4","1") = "6"
    & skf21("2","7","7","2","1","7","5","1") = "6"
    & skf21("2","7","7","2","1","7","6","1") = "6"
    & skf21("2","7","7","2","1","7","7","1") = "6"
    & skf21("2","7","7","2","2","1","1","1") = "6"
    & skf21("2","7","7","2","2","1","2","1") = "6"
    & skf21("2","7","7","2","2","1","3","1") = "6"
    & skf21("2","7","7","2","2","1","4","1") = "6"
    & skf21("2","7","7","2","2","1","5","1") = "6"
    & skf21("2","7","7","2","2","1","6","1") = "6"
    & skf21("2","7","7","2","2","1","7","1") = "6"
    & skf21("2","7","7","2","2","2","1","1") = "6"
    & skf21("2","7","7","2","2","2","2","1") = "6"
    & skf21("2","7","7","2","2","2","3","1") = "6"
    & skf21("2","7","7","2","2","2","4","1") = "6"
    & skf21("2","7","7","2","2","2","5","1") = "6"
    & skf21("2","7","7","2","2","2","6","1") = "6"
    & skf21("2","7","7","2","2","2","7","1") = "6"
    & skf21("2","7","7","2","2","3","1","1") = "6"
    & skf21("2","7","7","2","2","3","2","1") = "6"
    & skf21("2","7","7","2","2","3","3","1") = "6"
    & skf21("2","7","7","2","2","3","4","1") = "6"
    & skf21("2","7","7","2","2","3","5","1") = "6"
    & skf21("2","7","7","2","2","3","6","1") = "6"
    & skf21("2","7","7","2","2","3","7","1") = "6"
    & skf21("2","7","7","2","2","4","1","1") = "6"
    & skf21("2","7","7","2","2","4","2","1") = "6"
    & skf21("2","7","7","2","2","4","3","1") = "6"
    & skf21("2","7","7","2","2","4","4","1") = "6"
    & skf21("2","7","7","2","2","4","5","1") = "6"
    & skf21("2","7","7","2","2","4","6","1") = "6"
    & skf21("2","7","7","2","2","4","7","1") = "6"
    & skf21("2","7","7","2","2","5","1","1") = "6"
    & skf21("2","7","7","2","2","5","2","1") = "6"
    & skf21("2","7","7","2","2","5","3","1") = "6"
    & skf21("2","7","7","2","2","5","4","1") = "6"
    & skf21("2","7","7","2","2","5","5","1") = "6"
    & skf21("2","7","7","2","2","5","6","1") = "6"
    & skf21("2","7","7","2","2","5","7","1") = "6"
    & skf21("2","7","7","2","2","6","1","1") = "6"
    & skf21("2","7","7","2","2","6","2","1") = "6"
    & skf21("2","7","7","2","2","6","3","1") = "6"
    & skf21("2","7","7","2","2","6","4","1") = "6"
    & skf21("2","7","7","2","2","6","5","1") = "6"
    & skf21("2","7","7","2","2","6","6","1") = "6"
    & skf21("2","7","7","2","2","6","7","1") = "6"
    & skf21("2","7","7","2","2","7","1","1") = "6"
    & skf21("2","7","7","2","2","7","2","1") = "6"
    & skf21("2","7","7","2","2","7","3","1") = "6"
    & skf21("2","7","7","2","2","7","4","1") = "6"
    & skf21("2","7","7","2","2","7","5","1") = "6"
    & skf21("2","7","7","2","2","7","6","1") = "6"
    & skf21("2","7","7","2","2","7","7","1") = "6"
    & skf21("2","7","7","2","3","1","1","1") = "6"
    & skf21("2","7","7","2","3","1","2","1") = "6"
    & skf21("2","7","7","2","3","1","3","1") = "6"
    & skf21("2","7","7","2","3","1","4","1") = "6"
    & skf21("2","7","7","2","3","1","5","1") = "6"
    & skf21("2","7","7","2","3","1","6","1") = "6"
    & skf21("2","7","7","2","3","1","7","1") = "6"
    & skf21("2","7","7","2","3","2","1","1") = "6"
    & skf21("2","7","7","2","3","2","2","1") = "6"
    & skf21("2","7","7","2","3","2","3","1") = "6"
    & skf21("2","7","7","2","3","2","4","1") = "6"
    & skf21("2","7","7","2","3","2","5","1") = "6"
    & skf21("2","7","7","2","3","2","6","1") = "6"
    & skf21("2","7","7","2","3","2","7","1") = "6"
    & skf21("2","7","7","2","3","3","1","1") = "6"
    & skf21("2","7","7","2","3","3","2","1") = "6"
    & skf21("2","7","7","2","3","3","3","1") = "6"
    & skf21("2","7","7","2","3","3","4","1") = "6"
    & skf21("2","7","7","2","3","3","5","1") = "6"
    & skf21("2","7","7","2","3","3","6","1") = "6"
    & skf21("2","7","7","2","3","3","7","1") = "6"
    & skf21("2","7","7","2","3","4","1","1") = "6"
    & skf21("2","7","7","2","3","4","2","1") = "6"
    & skf21("2","7","7","2","3","4","3","1") = "6"
    & skf21("2","7","7","2","3","4","4","1") = "6"
    & skf21("2","7","7","2","3","4","5","1") = "6"
    & skf21("2","7","7","2","3","4","6","1") = "6"
    & skf21("2","7","7","2","3","4","7","1") = "6"
    & skf21("2","7","7","2","3","5","1","1") = "6"
    & skf21("2","7","7","2","3","5","2","1") = "6"
    & skf21("2","7","7","2","3","5","3","1") = "6"
    & skf21("2","7","7","2","3","5","4","1") = "6"
    & skf21("2","7","7","2","3","5","5","1") = "6"
    & skf21("2","7","7","2","3","5","6","1") = "6"
    & skf21("2","7","7","2","3","5","7","1") = "6"
    & skf21("2","7","7","2","3","6","1","1") = "6"
    & skf21("2","7","7","2","3","6","2","1") = "6"
    & skf21("2","7","7","2","3","6","3","1") = "6"
    & skf21("2","7","7","2","3","6","4","1") = "6"
    & skf21("2","7","7","2","3","6","5","1") = "6"
    & skf21("2","7","7","2","3","6","6","1") = "6"
    & skf21("2","7","7","2","3","6","7","1") = "6"
    & skf21("2","7","7","2","3","7","1","1") = "6"
    & skf21("2","7","7","2","3","7","2","1") = "6"
    & skf21("2","7","7","2","3","7","3","1") = "6"
    & skf21("2","7","7","2","3","7","4","1") = "6"
    & skf21("2","7","7","2","3","7","5","1") = "6"
    & skf21("2","7","7","2","3","7","6","1") = "6"
    & skf21("2","7","7","2","3","7","7","1") = "6"
    & skf21("2","7","7","2","4","1","1","1") = "6"
    & skf21("2","7","7","2","4","1","2","1") = "6"
    & skf21("2","7","7","2","4","1","3","1") = "6"
    & skf21("2","7","7","2","4","1","4","1") = "6"
    & skf21("2","7","7","2","4","1","5","1") = "6"
    & skf21("2","7","7","2","4","1","6","1") = "6"
    & skf21("2","7","7","2","4","1","7","1") = "6"
    & skf21("2","7","7","2","4","2","1","1") = "6"
    & skf21("2","7","7","2","4","2","2","1") = "6"
    & skf21("2","7","7","2","4","2","3","1") = "6"
    & skf21("2","7","7","2","4","2","4","1") = "6"
    & skf21("2","7","7","2","4","2","5","1") = "6"
    & skf21("2","7","7","2","4","2","6","1") = "6"
    & skf21("2","7","7","2","4","2","7","1") = "6"
    & skf21("2","7","7","2","4","3","1","1") = "6"
    & skf21("2","7","7","2","4","3","2","1") = "6"
    & skf21("2","7","7","2","4","3","3","1") = "6"
    & skf21("2","7","7","2","4","3","4","1") = "6"
    & skf21("2","7","7","2","4","3","5","1") = "6"
    & skf21("2","7","7","2","4","3","6","1") = "6"
    & skf21("2","7","7","2","4","3","7","1") = "6"
    & skf21("2","7","7","2","4","4","1","1") = "6"
    & skf21("2","7","7","2","4","4","2","1") = "6"
    & skf21("2","7","7","2","4","4","3","1") = "6"
    & skf21("2","7","7","2","4","4","4","1") = "6"
    & skf21("2","7","7","2","4","4","5","1") = "6"
    & skf21("2","7","7","2","4","4","6","1") = "6"
    & skf21("2","7","7","2","4","4","7","1") = "6"
    & skf21("2","7","7","2","4","5","1","1") = "6"
    & skf21("2","7","7","2","4","5","2","1") = "6"
    & skf21("2","7","7","2","4","5","3","1") = "6"
    & skf21("2","7","7","2","4","5","4","1") = "6"
    & skf21("2","7","7","2","4","5","5","1") = "6"
    & skf21("2","7","7","2","4","5","6","1") = "6"
    & skf21("2","7","7","2","4","5","7","1") = "6"
    & skf21("2","7","7","2","4","6","1","1") = "6"
    & skf21("2","7","7","2","4","6","2","1") = "6"
    & skf21("2","7","7","2","4","6","3","1") = "6"
    & skf21("2","7","7","2","4","6","4","1") = "6"
    & skf21("2","7","7","2","4","6","5","1") = "6"
    & skf21("2","7","7","2","4","6","6","1") = "6"
    & skf21("2","7","7","2","4","6","7","1") = "6"
    & skf21("2","7","7","2","4","7","1","1") = "6"
    & skf21("2","7","7","2","4","7","2","1") = "6"
    & skf21("2","7","7","2","4","7","3","1") = "6"
    & skf21("2","7","7","2","4","7","4","1") = "6"
    & skf21("2","7","7","2","4","7","5","1") = "6"
    & skf21("2","7","7","2","4","7","6","1") = "6"
    & skf21("2","7","7","2","4","7","7","1") = "6"
    & skf21("2","7","7","2","5","1","1","1") = "6"
    & skf21("2","7","7","2","5","1","2","1") = "6"
    & skf21("2","7","7","2","5","1","3","1") = "6"
    & skf21("2","7","7","2","5","1","4","1") = "6"
    & skf21("2","7","7","2","5","1","5","1") = "6"
    & skf21("2","7","7","2","5","1","6","1") = "6"
    & skf21("2","7","7","2","5","1","7","1") = "6"
    & skf21("2","7","7","2","5","2","1","1") = "6"
    & skf21("2","7","7","2","5","2","2","1") = "6"
    & skf21("2","7","7","2","5","2","3","1") = "6"
    & skf21("2","7","7","2","5","2","4","1") = "6"
    & skf21("2","7","7","2","5","2","5","1") = "6"
    & skf21("2","7","7","2","5","2","6","1") = "6"
    & skf21("2","7","7","2","5","2","7","1") = "6"
    & skf21("2","7","7","2","5","3","1","1") = "6"
    & skf21("2","7","7","2","5","3","2","1") = "6"
    & skf21("2","7","7","2","5","3","3","1") = "6"
    & skf21("2","7","7","2","5","3","4","1") = "6"
    & skf21("2","7","7","2","5","3","5","1") = "6"
    & skf21("2","7","7","2","5","3","6","1") = "6"
    & skf21("2","7","7","2","5","3","7","1") = "6"
    & skf21("2","7","7","2","5","4","1","1") = "6"
    & skf21("2","7","7","2","5","4","2","1") = "6"
    & skf21("2","7","7","2","5","4","3","1") = "6"
    & skf21("2","7","7","2","5","4","4","1") = "6"
    & skf21("2","7","7","2","5","4","5","1") = "6"
    & skf21("2","7","7","2","5","4","6","1") = "6"
    & skf21("2","7","7","2","5","4","7","1") = "6"
    & skf21("2","7","7","2","5","5","1","1") = "6"
    & skf21("2","7","7","2","5","5","2","1") = "6"
    & skf21("2","7","7","2","5","5","3","1") = "6"
    & skf21("2","7","7","2","5","5","4","1") = "6"
    & skf21("2","7","7","2","5","5","5","1") = "6"
    & skf21("2","7","7","2","5","5","6","1") = "6"
    & skf21("2","7","7","2","5","5","7","1") = "6"
    & skf21("2","7","7","2","5","6","1","1") = "6"
    & skf21("2","7","7","2","5","6","2","1") = "6"
    & skf21("2","7","7","2","5","6","3","1") = "6"
    & skf21("2","7","7","2","5","6","4","1") = "6"
    & skf21("2","7","7","2","5","6","5","1") = "6"
    & skf21("2","7","7","2","5","6","6","1") = "6"
    & skf21("2","7","7","2","5","6","7","1") = "6"
    & skf21("2","7","7","2","5","7","1","1") = "6"
    & skf21("2","7","7","2","5","7","2","1") = "6"
    & skf21("2","7","7","2","5","7","3","1") = "6"
    & skf21("2","7","7","2","5","7","4","1") = "6"
    & skf21("2","7","7","2","5","7","5","1") = "6"
    & skf21("2","7","7","2","5","7","6","1") = "6"
    & skf21("2","7","7","2","5","7","7","1") = "6"
    & skf21("2","7","7","2","6","1","1","1") = "6"
    & skf21("2","7","7","2","6","1","2","1") = "6"
    & skf21("2","7","7","2","6","1","3","1") = "6"
    & skf21("2","7","7","2","6","1","4","1") = "6"
    & skf21("2","7","7","2","6","1","5","1") = "6"
    & skf21("2","7","7","2","6","1","6","1") = "6"
    & skf21("2","7","7","2","6","1","7","1") = "6"
    & skf21("2","7","7","2","6","2","1","1") = "6"
    & skf21("2","7","7","2","6","2","2","1") = "6"
    & skf21("2","7","7","2","6","2","3","1") = "6"
    & skf21("2","7","7","2","6","2","4","1") = "6"
    & skf21("2","7","7","2","6","2","5","1") = "6"
    & skf21("2","7","7","2","6","2","6","1") = "6"
    & skf21("2","7","7","2","6","2","7","1") = "6"
    & skf21("2","7","7","2","6","3","1","1") = "6"
    & skf21("2","7","7","2","6","3","2","1") = "6"
    & skf21("2","7","7","2","6","3","3","1") = "6"
    & skf21("2","7","7","2","6","3","4","1") = "6"
    & skf21("2","7","7","2","6","3","5","1") = "6"
    & skf21("2","7","7","2","6","3","6","1") = "6"
    & skf21("2","7","7","2","6","3","7","1") = "6"
    & skf21("2","7","7","2","6","4","1","1") = "6"
    & skf21("2","7","7","2","6","4","2","1") = "6"
    & skf21("2","7","7","2","6","4","3","1") = "6"
    & skf21("2","7","7","2","6","4","4","1") = "6"
    & skf21("2","7","7","2","6","4","5","1") = "6"
    & skf21("2","7","7","2","6","4","6","1") = "6"
    & skf21("2","7","7","2","6","4","7","1") = "6"
    & skf21("2","7","7","2","6","5","1","1") = "6"
    & skf21("2","7","7","2","6","5","2","1") = "6"
    & skf21("2","7","7","2","6","5","3","1") = "6"
    & skf21("2","7","7","2","6","5","4","1") = "6"
    & skf21("2","7","7","2","6","5","5","1") = "6"
    & skf21("2","7","7","2","6","5","6","1") = "6"
    & skf21("2","7","7","2","6","5","7","1") = "6"
    & skf21("2","7","7","2","6","6","1","1") = "6"
    & skf21("2","7","7","2","6","6","2","1") = "6"
    & skf21("2","7","7","2","6","6","3","1") = "6"
    & skf21("2","7","7","2","6","6","4","1") = "6"
    & skf21("2","7","7","2","6","6","5","1") = "6"
    & skf21("2","7","7","2","6","6","6","1") = "6"
    & skf21("2","7","7","2","6","6","7","1") = "6"
    & skf21("2","7","7","2","6","7","1","1") = "6"
    & skf21("2","7","7","2","6","7","2","1") = "6"
    & skf21("2","7","7","2","6","7","3","1") = "6"
    & skf21("2","7","7","2","6","7","4","1") = "6"
    & skf21("2","7","7","2","6","7","5","1") = "6"
    & skf21("2","7","7","2","6","7","6","1") = "6"
    & skf21("2","7","7","2","6","7","7","1") = "6"
    & skf21("2","7","7","2","7","1","1","1") = "6"
    & skf21("2","7","7","2","7","1","2","1") = "6"
    & skf21("2","7","7","2","7","1","3","1") = "6"
    & skf21("2","7","7","2","7","1","4","1") = "6"
    & skf21("2","7","7","2","7","1","5","1") = "6"
    & skf21("2","7","7","2","7","1","6","1") = "6"
    & skf21("2","7","7","2","7","1","7","1") = "6"
    & skf21("2","7","7","2","7","2","1","1") = "6"
    & skf21("2","7","7","2","7","2","2","1") = "6"
    & skf21("2","7","7","2","7","2","3","1") = "6"
    & skf21("2","7","7","2","7","2","4","1") = "6"
    & skf21("2","7","7","2","7","2","5","1") = "6"
    & skf21("2","7","7","2","7","2","6","1") = "6"
    & skf21("2","7","7","2","7","2","7","1") = "6"
    & skf21("2","7","7","2","7","3","1","1") = "6"
    & skf21("2","7","7","2","7","3","2","1") = "6"
    & skf21("2","7","7","2","7","3","3","1") = "6"
    & skf21("2","7","7","2","7","3","4","1") = "6"
    & skf21("2","7","7","2","7","3","5","1") = "6"
    & skf21("2","7","7","2","7","3","6","1") = "6"
    & skf21("2","7","7","2","7","3","7","1") = "6"
    & skf21("2","7","7","2","7","4","1","1") = "6"
    & skf21("2","7","7","2","7","4","2","1") = "6"
    & skf21("2","7","7","2","7","4","3","1") = "6"
    & skf21("2","7","7","2","7","4","4","1") = "6"
    & skf21("2","7","7","2","7","4","5","1") = "6"
    & skf21("2","7","7","2","7","4","6","1") = "6"
    & skf21("2","7","7","2","7","4","7","1") = "6"
    & skf21("2","7","7","2","7","5","1","1") = "6"
    & skf21("2","7","7","2","7","5","2","1") = "6"
    & skf21("2","7","7","2","7","5","3","1") = "6"
    & skf21("2","7","7","2","7","5","4","1") = "6"
    & skf21("2","7","7","2","7","5","5","1") = "6"
    & skf21("2","7","7","2","7","5","6","1") = "6"
    & skf21("2","7","7","2","7","5","7","1") = "6"
    & skf21("2","7","7","2","7","6","1","1") = "6"
    & skf21("2","7","7","2","7","6","2","1") = "6"
    & skf21("2","7","7","2","7","6","3","1") = "6"
    & skf21("2","7","7","2","7","6","4","1") = "6"
    & skf21("2","7","7","2","7","6","5","1") = "6"
    & skf21("2","7","7","2","7","6","6","1") = "6"
    & skf21("2","7","7","2","7","6","7","1") = "6"
    & skf21("2","7","7","2","7","7","1","1") = "6"
    & skf21("2","7","7","2","7","7","2","1") = "6"
    & skf21("2","7","7","2","7","7","3","1") = "6"
    & skf21("2","7","7","2","7","7","4","1") = "6"
    & skf21("2","7","7","2","7","7","5","1") = "6"
    & skf21("2","7","7","2","7","7","6","1") = "6"
    & skf21("2","7","7","2","7","7","7","1") = "6"
    & skf21("2","7","7","3","1","1","1","1") = "6"
    & skf21("2","7","7","3","1","1","2","1") = "6"
    & skf21("2","7","7","3","1","1","3","1") = "6"
    & skf21("2","7","7","3","1","1","4","1") = "6"
    & skf21("2","7","7","3","1","1","5","1") = "6"
    & skf21("2","7","7","3","1","1","6","1") = "6"
    & skf21("2","7","7","3","1","1","7","1") = "6"
    & skf21("2","7","7","3","1","2","1","1") = "6"
    & skf21("2","7","7","3","1","2","2","1") = "6"
    & skf21("2","7","7","3","1","2","3","1") = "6"
    & skf21("2","7","7","3","1","2","4","1") = "6"
    & skf21("2","7","7","3","1","2","5","1") = "6"
    & skf21("2","7","7","3","1","2","6","1") = "6"
    & skf21("2","7","7","3","1","2","7","1") = "6"
    & skf21("2","7","7","3","1","3","1","1") = "6"
    & skf21("2","7","7","3","1","3","2","1") = "6"
    & skf21("2","7","7","3","1","3","3","1") = "6"
    & skf21("2","7","7","3","1","3","4","1") = "6"
    & skf21("2","7","7","3","1","3","5","1") = "6"
    & skf21("2","7","7","3","1","3","6","1") = "6"
    & skf21("2","7","7","3","1","3","7","1") = "6"
    & skf21("2","7","7","3","1","4","1","1") = "6"
    & skf21("2","7","7","3","1","4","2","1") = "6"
    & skf21("2","7","7","3","1","4","3","1") = "6"
    & skf21("2","7","7","3","1","4","4","1") = "6"
    & skf21("2","7","7","3","1","4","5","1") = "6"
    & skf21("2","7","7","3","1","4","6","1") = "6"
    & skf21("2","7","7","3","1","4","7","1") = "6"
    & skf21("2","7","7","3","1","5","1","1") = "6"
    & skf21("2","7","7","3","1","5","2","1") = "6"
    & skf21("2","7","7","3","1","5","3","1") = "6"
    & skf21("2","7","7","3","1","5","4","1") = "6"
    & skf21("2","7","7","3","1","5","5","1") = "6"
    & skf21("2","7","7","3","1","5","6","1") = "6"
    & skf21("2","7","7","3","1","5","7","1") = "6"
    & skf21("2","7","7","3","1","6","1","1") = "6"
    & skf21("2","7","7","3","1","6","2","1") = "6"
    & skf21("2","7","7","3","1","6","3","1") = "6"
    & skf21("2","7","7","3","1","6","4","1") = "6"
    & skf21("2","7","7","3","1","6","5","1") = "6"
    & skf21("2","7","7","3","1","6","6","1") = "6"
    & skf21("2","7","7","3","1","6","7","1") = "6"
    & skf21("2","7","7","3","1","7","1","1") = "6"
    & skf21("2","7","7","3","1","7","2","1") = "6"
    & skf21("2","7","7","3","1","7","3","1") = "6"
    & skf21("2","7","7","3","1","7","4","1") = "6"
    & skf21("2","7","7","3","1","7","5","1") = "6"
    & skf21("2","7","7","3","1","7","6","1") = "6"
    & skf21("2","7","7","3","1","7","7","1") = "6"
    & skf21("2","7","7","3","2","1","1","1") = "6"
    & skf21("2","7","7","3","2","1","2","1") = "6"
    & skf21("2","7","7","3","2","1","3","1") = "6"
    & skf21("2","7","7","3","2","1","4","1") = "6"
    & skf21("2","7","7","3","2","1","5","1") = "6"
    & skf21("2","7","7","3","2","1","6","1") = "6"
    & skf21("2","7","7","3","2","1","7","1") = "6"
    & skf21("2","7","7","3","2","2","1","1") = "6"
    & skf21("2","7","7","3","2","2","2","1") = "6"
    & skf21("2","7","7","3","2","2","3","1") = "6"
    & skf21("2","7","7","3","2","2","4","1") = "6"
    & skf21("2","7","7","3","2","2","5","1") = "6"
    & skf21("2","7","7","3","2","2","6","1") = "6"
    & skf21("2","7","7","3","2","2","7","1") = "6"
    & skf21("2","7","7","3","2","3","1","1") = "6"
    & skf21("2","7","7","3","2","3","2","1") = "6"
    & skf21("2","7","7","3","2","3","3","1") = "6"
    & skf21("2","7","7","3","2","3","4","1") = "6"
    & skf21("2","7","7","3","2","3","5","1") = "6"
    & skf21("2","7","7","3","2","3","6","1") = "6"
    & skf21("2","7","7","3","2","3","7","1") = "6"
    & skf21("2","7","7","3","2","4","1","1") = "6"
    & skf21("2","7","7","3","2","4","2","1") = "6"
    & skf21("2","7","7","3","2","4","3","1") = "6"
    & skf21("2","7","7","3","2","4","4","1") = "6"
    & skf21("2","7","7","3","2","4","5","1") = "6"
    & skf21("2","7","7","3","2","4","6","1") = "6"
    & skf21("2","7","7","3","2","4","7","1") = "6"
    & skf21("2","7","7","3","2","5","1","1") = "6"
    & skf21("2","7","7","3","2","5","2","1") = "6"
    & skf21("2","7","7","3","2","5","3","1") = "6"
    & skf21("2","7","7","3","2","5","4","1") = "6"
    & skf21("2","7","7","3","2","5","5","1") = "6"
    & skf21("2","7","7","3","2","5","6","1") = "6"
    & skf21("2","7","7","3","2","5","7","1") = "6"
    & skf21("2","7","7","3","2","6","1","1") = "6"
    & skf21("2","7","7","3","2","6","2","1") = "6"
    & skf21("2","7","7","3","2","6","3","1") = "6"
    & skf21("2","7","7","3","2","6","4","1") = "6"
    & skf21("2","7","7","3","2","6","5","1") = "6"
    & skf21("2","7","7","3","2","6","6","1") = "6"
    & skf21("2","7","7","3","2","6","7","1") = "6"
    & skf21("2","7","7","3","2","7","1","1") = "6"
    & skf21("2","7","7","3","2","7","2","1") = "6"
    & skf21("2","7","7","3","2","7","3","1") = "6"
    & skf21("2","7","7","3","2","7","4","1") = "6"
    & skf21("2","7","7","3","2","7","5","1") = "6"
    & skf21("2","7","7","3","2","7","6","1") = "6"
    & skf21("2","7","7","3","2","7","7","1") = "6"
    & skf21("2","7","7","3","3","1","1","1") = "6"
    & skf21("2","7","7","3","3","1","2","1") = "6"
    & skf21("2","7","7","3","3","1","3","1") = "6"
    & skf21("2","7","7","3","3","1","4","1") = "6"
    & skf21("2","7","7","3","3","1","5","1") = "6"
    & skf21("2","7","7","3","3","1","6","1") = "6"
    & skf21("2","7","7","3","3","1","7","1") = "6"
    & skf21("2","7","7","3","3","2","1","1") = "6"
    & skf21("2","7","7","3","3","2","2","1") = "6"
    & skf21("2","7","7","3","3","2","3","1") = "6"
    & skf21("2","7","7","3","3","2","4","1") = "6"
    & skf21("2","7","7","3","3","2","5","1") = "6"
    & skf21("2","7","7","3","3","2","6","1") = "6"
    & skf21("2","7","7","3","3","2","7","1") = "6"
    & skf21("2","7","7","3","3","3","1","1") = "6"
    & skf21("2","7","7","3","3","3","2","1") = "6"
    & skf21("2","7","7","3","3","3","3","1") = "6"
    & skf21("2","7","7","3","3","3","4","1") = "6"
    & skf21("2","7","7","3","3","3","5","1") = "6"
    & skf21("2","7","7","3","3","3","6","1") = "6"
    & skf21("2","7","7","3","3","3","7","1") = "6"
    & skf21("2","7","7","3","3","4","1","1") = "6"
    & skf21("2","7","7","3","3","4","2","1") = "6"
    & skf21("2","7","7","3","3","4","3","1") = "6"
    & skf21("2","7","7","3","3","4","4","1") = "6"
    & skf21("2","7","7","3","3","4","5","1") = "6"
    & skf21("2","7","7","3","3","4","6","1") = "6"
    & skf21("2","7","7","3","3","4","7","1") = "6"
    & skf21("2","7","7","3","3","5","1","1") = "6"
    & skf21("2","7","7","3","3","5","2","1") = "6"
    & skf21("2","7","7","3","3","5","3","1") = "6"
    & skf21("2","7","7","3","3","5","4","1") = "6"
    & skf21("2","7","7","3","3","5","5","1") = "6"
    & skf21("2","7","7","3","3","5","6","1") = "6"
    & skf21("2","7","7","3","3","5","7","1") = "6"
    & skf21("2","7","7","3","3","6","1","1") = "6"
    & skf21("2","7","7","3","3","6","2","1") = "6"
    & skf21("2","7","7","3","3","6","3","1") = "6"
    & skf21("2","7","7","3","3","6","4","1") = "6"
    & skf21("2","7","7","3","3","6","5","1") = "6"
    & skf21("2","7","7","3","3","6","6","1") = "6"
    & skf21("2","7","7","3","3","6","7","1") = "6"
    & skf21("2","7","7","3","3","7","1","1") = "6"
    & skf21("2","7","7","3","3","7","2","1") = "6"
    & skf21("2","7","7","3","3","7","3","1") = "6"
    & skf21("2","7","7","3","3","7","4","1") = "6"
    & skf21("2","7","7","3","3","7","5","1") = "6"
    & skf21("2","7","7","3","3","7","6","1") = "6"
    & skf21("2","7","7","3","3","7","7","1") = "6"
    & skf21("2","7","7","3","4","1","1","1") = "6"
    & skf21("2","7","7","3","4","1","2","1") = "6"
    & skf21("2","7","7","3","4","1","3","1") = "6"
    & skf21("2","7","7","3","4","1","4","1") = "6"
    & skf21("2","7","7","3","4","1","5","1") = "6"
    & skf21("2","7","7","3","4","1","6","1") = "6"
    & skf21("2","7","7","3","4","1","7","1") = "6"
    & skf21("2","7","7","3","4","2","1","1") = "6"
    & skf21("2","7","7","3","4","2","2","1") = "6"
    & skf21("2","7","7","3","4","2","3","1") = "6"
    & skf21("2","7","7","3","4","2","4","1") = "6"
    & skf21("2","7","7","3","4","2","5","1") = "6"
    & skf21("2","7","7","3","4","2","6","1") = "6"
    & skf21("2","7","7","3","4","2","7","1") = "6"
    & skf21("2","7","7","3","4","3","1","1") = "6"
    & skf21("2","7","7","3","4","3","2","1") = "6"
    & skf21("2","7","7","3","4","3","3","1") = "6"
    & skf21("2","7","7","3","4","3","4","1") = "6"
    & skf21("2","7","7","3","4","3","5","1") = "6"
    & skf21("2","7","7","3","4","3","6","1") = "6"
    & skf21("2","7","7","3","4","3","7","1") = "6"
    & skf21("2","7","7","3","4","4","1","1") = "6"
    & skf21("2","7","7","3","4","4","2","1") = "6"
    & skf21("2","7","7","3","4","4","3","1") = "6"
    & skf21("2","7","7","3","4","4","4","1") = "6"
    & skf21("2","7","7","3","4","4","5","1") = "6"
    & skf21("2","7","7","3","4","4","6","1") = "6"
    & skf21("2","7","7","3","4","4","7","1") = "6"
    & skf21("2","7","7","3","4","5","1","1") = "6"
    & skf21("2","7","7","3","4","5","2","1") = "6"
    & skf21("2","7","7","3","4","5","3","1") = "6"
    & skf21("2","7","7","3","4","5","4","1") = "6"
    & skf21("2","7","7","3","4","5","5","1") = "6"
    & skf21("2","7","7","3","4","5","6","1") = "6"
    & skf21("2","7","7","3","4","5","7","1") = "6"
    & skf21("2","7","7","3","4","6","1","1") = "6"
    & skf21("2","7","7","3","4","6","2","1") = "6"
    & skf21("2","7","7","3","4","6","3","1") = "6"
    & skf21("2","7","7","3","4","6","4","1") = "6"
    & skf21("2","7","7","3","4","6","5","1") = "6"
    & skf21("2","7","7","3","4","6","6","1") = "6"
    & skf21("2","7","7","3","4","6","7","1") = "6"
    & skf21("2","7","7","3","4","7","1","1") = "6"
    & skf21("2","7","7","3","4","7","2","1") = "6"
    & skf21("2","7","7","3","4","7","3","1") = "6"
    & skf21("2","7","7","3","4","7","4","1") = "6"
    & skf21("2","7","7","3","4","7","5","1") = "6"
    & skf21("2","7","7","3","4","7","6","1") = "6"
    & skf21("2","7","7","3","4","7","7","1") = "6"
    & skf21("2","7","7","3","5","1","1","1") = "6"
    & skf21("2","7","7","3","5","1","2","1") = "6"
    & skf21("2","7","7","3","5","1","3","1") = "6"
    & skf21("2","7","7","3","5","1","4","1") = "6"
    & skf21("2","7","7","3","5","1","5","1") = "6"
    & skf21("2","7","7","3","5","1","6","1") = "6"
    & skf21("2","7","7","3","5","1","7","1") = "6"
    & skf21("2","7","7","3","5","2","1","1") = "6"
    & skf21("2","7","7","3","5","2","2","1") = "6"
    & skf21("2","7","7","3","5","2","3","1") = "6"
    & skf21("2","7","7","3","5","2","4","1") = "6"
    & skf21("2","7","7","3","5","2","5","1") = "6"
    & skf21("2","7","7","3","5","2","6","1") = "6"
    & skf21("2","7","7","3","5","2","7","1") = "6"
    & skf21("2","7","7","3","5","3","1","1") = "6"
    & skf21("2","7","7","3","5","3","2","1") = "6"
    & skf21("2","7","7","3","5","3","3","1") = "6"
    & skf21("2","7","7","3","5","3","4","1") = "6"
    & skf21("2","7","7","3","5","3","5","1") = "6"
    & skf21("2","7","7","3","5","3","6","1") = "6"
    & skf21("2","7","7","3","5","3","7","1") = "6"
    & skf21("2","7","7","3","5","4","1","1") = "6"
    & skf21("2","7","7","3","5","4","2","1") = "6"
    & skf21("2","7","7","3","5","4","3","1") = "6"
    & skf21("2","7","7","3","5","4","4","1") = "6"
    & skf21("2","7","7","3","5","4","5","1") = "6"
    & skf21("2","7","7","3","5","4","6","1") = "6"
    & skf21("2","7","7","3","5","4","7","1") = "6"
    & skf21("2","7","7","3","5","5","1","1") = "6"
    & skf21("2","7","7","3","5","5","2","1") = "6"
    & skf21("2","7","7","3","5","5","3","1") = "6"
    & skf21("2","7","7","3","5","5","4","1") = "6"
    & skf21("2","7","7","3","5","5","5","1") = "6"
    & skf21("2","7","7","3","5","5","6","1") = "6"
    & skf21("2","7","7","3","5","5","7","1") = "6"
    & skf21("2","7","7","3","5","6","1","1") = "6"
    & skf21("2","7","7","3","5","6","2","1") = "6"
    & skf21("2","7","7","3","5","6","3","1") = "6"
    & skf21("2","7","7","3","5","6","4","1") = "6"
    & skf21("2","7","7","3","5","6","5","1") = "6"
    & skf21("2","7","7","3","5","6","6","1") = "6"
    & skf21("2","7","7","3","5","6","7","1") = "6"
    & skf21("2","7","7","3","5","7","1","1") = "6"
    & skf21("2","7","7","3","5","7","2","1") = "6"
    & skf21("2","7","7","3","5","7","3","1") = "6"
    & skf21("2","7","7","3","5","7","4","1") = "6"
    & skf21("2","7","7","3","5","7","5","1") = "6"
    & skf21("2","7","7","3","5","7","6","1") = "6"
    & skf21("2","7","7","3","5","7","7","1") = "6"
    & skf21("2","7","7","3","6","1","1","1") = "6"
    & skf21("2","7","7","3","6","1","2","1") = "6"
    & skf21("2","7","7","3","6","1","3","1") = "6"
    & skf21("2","7","7","3","6","1","4","1") = "6"
    & skf21("2","7","7","3","6","1","5","1") = "6"
    & skf21("2","7","7","3","6","1","6","1") = "6"
    & skf21("2","7","7","3","6","1","7","1") = "6"
    & skf21("2","7","7","3","6","2","1","1") = "6"
    & skf21("2","7","7","3","6","2","2","1") = "6"
    & skf21("2","7","7","3","6","2","3","1") = "6"
    & skf21("2","7","7","3","6","2","4","1") = "6"
    & skf21("2","7","7","3","6","2","5","1") = "6"
    & skf21("2","7","7","3","6","2","6","1") = "6"
    & skf21("2","7","7","3","6","2","7","1") = "6"
    & skf21("2","7","7","3","6","3","1","1") = "6"
    & skf21("2","7","7","3","6","3","2","1") = "6"
    & skf21("2","7","7","3","6","3","3","1") = "6"
    & skf21("2","7","7","3","6","3","4","1") = "6"
    & skf21("2","7","7","3","6","3","5","1") = "6"
    & skf21("2","7","7","3","6","3","6","1") = "6"
    & skf21("2","7","7","3","6","3","7","1") = "6"
    & skf21("2","7","7","3","6","4","1","1") = "6"
    & skf21("2","7","7","3","6","4","2","1") = "6"
    & skf21("2","7","7","3","6","4","3","1") = "6"
    & skf21("2","7","7","3","6","4","4","1") = "6"
    & skf21("2","7","7","3","6","4","5","1") = "6"
    & skf21("2","7","7","3","6","4","6","1") = "6"
    & skf21("2","7","7","3","6","4","7","1") = "6"
    & skf21("2","7","7","3","6","5","1","1") = "6"
    & skf21("2","7","7","3","6","5","2","1") = "6"
    & skf21("2","7","7","3","6","5","3","1") = "6"
    & skf21("2","7","7","3","6","5","4","1") = "6"
    & skf21("2","7","7","3","6","5","5","1") = "6"
    & skf21("2","7","7","3","6","5","6","1") = "6"
    & skf21("2","7","7","3","6","5","7","1") = "6"
    & skf21("2","7","7","3","6","6","1","1") = "6"
    & skf21("2","7","7","3","6","6","2","1") = "6"
    & skf21("2","7","7","3","6","6","3","1") = "6"
    & skf21("2","7","7","3","6","6","4","1") = "6"
    & skf21("2","7","7","3","6","6","5","1") = "6"
    & skf21("2","7","7","3","6","6","6","1") = "6"
    & skf21("2","7","7","3","6","6","7","1") = "6"
    & skf21("2","7","7","3","6","7","1","1") = "6"
    & skf21("2","7","7","3","6","7","2","1") = "6"
    & skf21("2","7","7","3","6","7","3","1") = "6"
    & skf21("2","7","7","3","6","7","4","1") = "6"
    & skf21("2","7","7","3","6","7","5","1") = "6"
    & skf21("2","7","7","3","6","7","6","1") = "6"
    & skf21("2","7","7","3","6","7","7","1") = "6"
    & skf21("2","7","7","3","7","1","1","1") = "6"
    & skf21("2","7","7","3","7","1","2","1") = "6"
    & skf21("2","7","7","3","7","1","3","1") = "6"
    & skf21("2","7","7","3","7","1","4","1") = "6"
    & skf21("2","7","7","3","7","1","5","1") = "6"
    & skf21("2","7","7","3","7","1","6","1") = "6"
    & skf21("2","7","7","3","7","1","7","1") = "6"
    & skf21("2","7","7","3","7","2","1","1") = "6"
    & skf21("2","7","7","3","7","2","2","1") = "6"
    & skf21("2","7","7","3","7","2","3","1") = "6"
    & skf21("2","7","7","3","7","2","4","1") = "6"
    & skf21("2","7","7","3","7","2","5","1") = "6"
    & skf21("2","7","7","3","7","2","6","1") = "6"
    & skf21("2","7","7","3","7","2","7","1") = "6"
    & skf21("2","7","7","3","7","3","1","1") = "6"
    & skf21("2","7","7","3","7","3","2","1") = "6"
    & skf21("2","7","7","3","7","3","3","1") = "6"
    & skf21("2","7","7","3","7","3","4","1") = "6"
    & skf21("2","7","7","3","7","3","5","1") = "6"
    & skf21("2","7","7","3","7","3","6","1") = "6"
    & skf21("2","7","7","3","7","3","7","1") = "6"
    & skf21("2","7","7","3","7","4","1","1") = "6"
    & skf21("2","7","7","3","7","4","2","1") = "6"
    & skf21("2","7","7","3","7","4","3","1") = "6"
    & skf21("2","7","7","3","7","4","4","1") = "6"
    & skf21("2","7","7","3","7","4","5","1") = "6"
    & skf21("2","7","7","3","7","4","6","1") = "6"
    & skf21("2","7","7","3","7","4","7","1") = "6"
    & skf21("2","7","7","3","7","5","1","1") = "6"
    & skf21("2","7","7","3","7","5","2","1") = "6"
    & skf21("2","7","7","3","7","5","3","1") = "6"
    & skf21("2","7","7","3","7","5","4","1") = "6"
    & skf21("2","7","7","3","7","5","5","1") = "6"
    & skf21("2","7","7","3","7","5","6","1") = "6"
    & skf21("2","7","7","3","7","5","7","1") = "6"
    & skf21("2","7","7","3","7","6","1","1") = "6"
    & skf21("2","7","7","3","7","6","2","1") = "6"
    & skf21("2","7","7","3","7","6","3","1") = "6"
    & skf21("2","7","7","3","7","6","4","1") = "6"
    & skf21("2","7","7","3","7","6","5","1") = "6"
    & skf21("2","7","7","3","7","6","6","1") = "6"
    & skf21("2","7","7","3","7","6","7","1") = "6"
    & skf21("2","7","7","3","7","7","1","1") = "6"
    & skf21("2","7","7","3","7","7","2","1") = "6"
    & skf21("2","7","7","3","7","7","3","1") = "6"
    & skf21("2","7","7","3","7","7","4","1") = "6"
    & skf21("2","7","7","3","7","7","5","1") = "6"
    & skf21("2","7","7","3","7","7","6","1") = "6"
    & skf21("2","7","7","3","7","7","7","1") = "6"
    & skf21("2","7","7","4","1","1","1","1") = "6"
    & skf21("2","7","7","4","1","1","2","1") = "6"
    & skf21("2","7","7","4","1","1","3","1") = "6"
    & skf21("2","7","7","4","1","1","4","1") = "6"
    & skf21("2","7","7","4","1","1","5","1") = "6"
    & skf21("2","7","7","4","1","1","6","1") = "6"
    & skf21("2","7","7","4","1","1","7","1") = "6"
    & skf21("2","7","7","4","1","2","1","1") = "6"
    & skf21("2","7","7","4","1","2","2","1") = "6"
    & skf21("2","7","7","4","1","2","3","1") = "6"
    & skf21("2","7","7","4","1","2","4","1") = "6"
    & skf21("2","7","7","4","1","2","5","1") = "6"
    & skf21("2","7","7","4","1","2","6","1") = "6"
    & skf21("2","7","7","4","1","2","7","1") = "6"
    & skf21("2","7","7","4","1","3","1","1") = "6"
    & skf21("2","7","7","4","1","3","2","1") = "6"
    & skf21("2","7","7","4","1","3","3","1") = "6"
    & skf21("2","7","7","4","1","3","4","1") = "6"
    & skf21("2","7","7","4","1","3","5","1") = "6"
    & skf21("2","7","7","4","1","3","6","1") = "6"
    & skf21("2","7","7","4","1","3","7","1") = "6"
    & skf21("2","7","7","4","1","4","1","1") = "6"
    & skf21("2","7","7","4","1","4","2","1") = "6"
    & skf21("2","7","7","4","1","4","3","1") = "6"
    & skf21("2","7","7","4","1","4","4","1") = "6"
    & skf21("2","7","7","4","1","4","5","1") = "6"
    & skf21("2","7","7","4","1","4","6","1") = "6"
    & skf21("2","7","7","4","1","4","7","1") = "6"
    & skf21("2","7","7","4","1","5","1","1") = "6"
    & skf21("2","7","7","4","1","5","2","1") = "6"
    & skf21("2","7","7","4","1","5","3","1") = "6"
    & skf21("2","7","7","4","1","5","4","1") = "6"
    & skf21("2","7","7","4","1","5","5","1") = "6"
    & skf21("2","7","7","4","1","5","6","1") = "6"
    & skf21("2","7","7","4","1","5","7","1") = "6"
    & skf21("2","7","7","4","1","6","1","1") = "6"
    & skf21("2","7","7","4","1","6","2","1") = "6"
    & skf21("2","7","7","4","1","6","3","1") = "6"
    & skf21("2","7","7","4","1","6","4","1") = "6"
    & skf21("2","7","7","4","1","6","5","1") = "6"
    & skf21("2","7","7","4","1","6","6","1") = "6"
    & skf21("2","7","7","4","1","6","7","1") = "6"
    & skf21("2","7","7","4","1","7","1","1") = "6"
    & skf21("2","7","7","4","1","7","2","1") = "6"
    & skf21("2","7","7","4","1","7","3","1") = "6"
    & skf21("2","7","7","4","1","7","4","1") = "6"
    & skf21("2","7","7","4","1","7","5","1") = "6"
    & skf21("2","7","7","4","1","7","6","1") = "6"
    & skf21("2","7","7","4","1","7","7","1") = "6"
    & skf21("2","7","7","4","2","1","1","1") = "6"
    & skf21("2","7","7","4","2","1","2","1") = "6"
    & skf21("2","7","7","4","2","1","3","1") = "6"
    & skf21("2","7","7","4","2","1","4","1") = "6"
    & skf21("2","7","7","4","2","1","5","1") = "6"
    & skf21("2","7","7","4","2","1","6","1") = "6"
    & skf21("2","7","7","4","2","1","7","1") = "6"
    & skf21("2","7","7","4","2","2","1","1") = "6"
    & skf21("2","7","7","4","2","2","2","1") = "6"
    & skf21("2","7","7","4","2","2","3","1") = "6"
    & skf21("2","7","7","4","2","2","4","1") = "6"
    & skf21("2","7","7","4","2","2","5","1") = "6"
    & skf21("2","7","7","4","2","2","6","1") = "6"
    & skf21("2","7","7","4","2","2","7","1") = "6"
    & skf21("2","7","7","4","2","3","1","1") = "6"
    & skf21("2","7","7","4","2","3","2","1") = "6"
    & skf21("2","7","7","4","2","3","3","1") = "6"
    & skf21("2","7","7","4","2","3","4","1") = "6"
    & skf21("2","7","7","4","2","3","5","1") = "6"
    & skf21("2","7","7","4","2","3","6","1") = "6"
    & skf21("2","7","7","4","2","3","7","1") = "6"
    & skf21("2","7","7","4","2","4","1","1") = "6"
    & skf21("2","7","7","4","2","4","2","1") = "6"
    & skf21("2","7","7","4","2","4","3","1") = "6"
    & skf21("2","7","7","4","2","4","4","1") = "6"
    & skf21("2","7","7","4","2","4","5","1") = "6"
    & skf21("2","7","7","4","2","4","6","1") = "6"
    & skf21("2","7","7","4","2","4","7","1") = "6"
    & skf21("2","7","7","4","2","5","1","1") = "6"
    & skf21("2","7","7","4","2","5","2","1") = "6"
    & skf21("2","7","7","4","2","5","3","1") = "6"
    & skf21("2","7","7","4","2","5","4","1") = "6"
    & skf21("2","7","7","4","2","5","5","1") = "6"
    & skf21("2","7","7","4","2","5","6","1") = "6"
    & skf21("2","7","7","4","2","5","7","1") = "6"
    & skf21("2","7","7","4","2","6","1","1") = "6"
    & skf21("2","7","7","4","2","6","2","1") = "6"
    & skf21("2","7","7","4","2","6","3","1") = "6"
    & skf21("2","7","7","4","2","6","4","1") = "6"
    & skf21("2","7","7","4","2","6","5","1") = "6"
    & skf21("2","7","7","4","2","6","6","1") = "6"
    & skf21("2","7","7","4","2","6","7","1") = "6"
    & skf21("2","7","7","4","2","7","1","1") = "6"
    & skf21("2","7","7","4","2","7","2","1") = "6"
    & skf21("2","7","7","4","2","7","3","1") = "6"
    & skf21("2","7","7","4","2","7","4","1") = "6"
    & skf21("2","7","7","4","2","7","5","1") = "6"
    & skf21("2","7","7","4","2","7","6","1") = "6"
    & skf21("2","7","7","4","2","7","7","1") = "6"
    & skf21("2","7","7","4","3","1","1","1") = "6"
    & skf21("2","7","7","4","3","1","2","1") = "6"
    & skf21("2","7","7","4","3","1","3","1") = "6"
    & skf21("2","7","7","4","3","1","4","1") = "6"
    & skf21("2","7","7","4","3","1","5","1") = "6"
    & skf21("2","7","7","4","3","1","6","1") = "6"
    & skf21("2","7","7","4","3","1","7","1") = "6"
    & skf21("2","7","7","4","3","2","1","1") = "6"
    & skf21("2","7","7","4","3","2","2","1") = "6"
    & skf21("2","7","7","4","3","2","3","1") = "6"
    & skf21("2","7","7","4","3","2","4","1") = "6"
    & skf21("2","7","7","4","3","2","5","1") = "6"
    & skf21("2","7","7","4","3","2","6","1") = "6"
    & skf21("2","7","7","4","3","2","7","1") = "6"
    & skf21("2","7","7","4","3","3","1","1") = "6"
    & skf21("2","7","7","4","3","3","2","1") = "6"
    & skf21("2","7","7","4","3","3","3","1") = "6"
    & skf21("2","7","7","4","3","3","4","1") = "6"
    & skf21("2","7","7","4","3","3","5","1") = "6"
    & skf21("2","7","7","4","3","3","6","1") = "6"
    & skf21("2","7","7","4","3","3","7","1") = "6"
    & skf21("2","7","7","4","3","4","1","1") = "6"
    & skf21("2","7","7","4","3","4","2","1") = "6"
    & skf21("2","7","7","4","3","4","3","1") = "6"
    & skf21("2","7","7","4","3","4","4","1") = "6"
    & skf21("2","7","7","4","3","4","5","1") = "6"
    & skf21("2","7","7","4","3","4","6","1") = "6"
    & skf21("2","7","7","4","3","4","7","1") = "6"
    & skf21("2","7","7","4","3","5","1","1") = "6"
    & skf21("2","7","7","4","3","5","2","1") = "6"
    & skf21("2","7","7","4","3","5","3","1") = "6"
    & skf21("2","7","7","4","3","5","4","1") = "6"
    & skf21("2","7","7","4","3","5","5","1") = "6"
    & skf21("2","7","7","4","3","5","6","1") = "6"
    & skf21("2","7","7","4","3","5","7","1") = "6"
    & skf21("2","7","7","4","3","6","1","1") = "6"
    & skf21("2","7","7","4","3","6","2","1") = "6"
    & skf21("2","7","7","4","3","6","3","1") = "6"
    & skf21("2","7","7","4","3","6","4","1") = "6"
    & skf21("2","7","7","4","3","6","5","1") = "6"
    & skf21("2","7","7","4","3","6","6","1") = "6"
    & skf21("2","7","7","4","3","6","7","1") = "6"
    & skf21("2","7","7","4","3","7","1","1") = "6"
    & skf21("2","7","7","4","3","7","2","1") = "6"
    & skf21("2","7","7","4","3","7","3","1") = "6"
    & skf21("2","7","7","4","3","7","4","1") = "6"
    & skf21("2","7","7","4","3","7","5","1") = "6"
    & skf21("2","7","7","4","3","7","6","1") = "6"
    & skf21("2","7","7","4","3","7","7","1") = "6"
    & skf21("2","7","7","4","4","1","1","1") = "6"
    & skf21("2","7","7","4","4","1","2","1") = "6"
    & skf21("2","7","7","4","4","1","3","1") = "6"
    & skf21("2","7","7","4","4","1","4","1") = "6"
    & skf21("2","7","7","4","4","1","5","1") = "6"
    & skf21("2","7","7","4","4","1","6","1") = "6"
    & skf21("2","7","7","4","4","1","7","1") = "6"
    & skf21("2","7","7","4","4","2","1","1") = "6"
    & skf21("2","7","7","4","4","2","2","1") = "6"
    & skf21("2","7","7","4","4","2","3","1") = "6"
    & skf21("2","7","7","4","4","2","4","1") = "6"
    & skf21("2","7","7","4","4","2","5","1") = "6"
    & skf21("2","7","7","4","4","2","6","1") = "6"
    & skf21("2","7","7","4","4","2","7","1") = "6"
    & skf21("2","7","7","4","4","3","1","1") = "6"
    & skf21("2","7","7","4","4","3","2","1") = "6"
    & skf21("2","7","7","4","4","3","3","1") = "6"
    & skf21("2","7","7","4","4","3","4","1") = "6"
    & skf21("2","7","7","4","4","3","5","1") = "6"
    & skf21("2","7","7","4","4","3","6","1") = "6"
    & skf21("2","7","7","4","4","3","7","1") = "6"
    & skf21("2","7","7","4","4","4","1","1") = "6"
    & skf21("2","7","7","4","4","4","2","1") = "6"
    & skf21("2","7","7","4","4","4","3","1") = "6"
    & skf21("2","7","7","4","4","4","4","1") = "6"
    & skf21("2","7","7","4","4","4","5","1") = "6"
    & skf21("2","7","7","4","4","4","6","1") = "6"
    & skf21("2","7","7","4","4","4","7","1") = "6"
    & skf21("2","7","7","4","4","5","1","1") = "6"
    & skf21("2","7","7","4","4","5","2","1") = "6"
    & skf21("2","7","7","4","4","5","3","1") = "6"
    & skf21("2","7","7","4","4","5","4","1") = "6"
    & skf21("2","7","7","4","4","5","5","1") = "6"
    & skf21("2","7","7","4","4","5","6","1") = "6"
    & skf21("2","7","7","4","4","5","7","1") = "6"
    & skf21("2","7","7","4","4","6","1","1") = "6"
    & skf21("2","7","7","4","4","6","2","1") = "6"
    & skf21("2","7","7","4","4","6","3","1") = "6"
    & skf21("2","7","7","4","4","6","4","1") = "6"
    & skf21("2","7","7","4","4","6","5","1") = "6"
    & skf21("2","7","7","4","4","6","6","1") = "6"
    & skf21("2","7","7","4","4","6","7","1") = "6"
    & skf21("2","7","7","4","4","7","1","1") = "6"
    & skf21("2","7","7","4","4","7","2","1") = "6"
    & skf21("2","7","7","4","4","7","3","1") = "6"
    & skf21("2","7","7","4","4","7","4","1") = "6"
    & skf21("2","7","7","4","4","7","5","1") = "6"
    & skf21("2","7","7","4","4","7","6","1") = "6"
    & skf21("2","7","7","4","4","7","7","1") = "6"
    & skf21("2","7","7","4","5","1","1","1") = "6"
    & skf21("2","7","7","4","5","1","2","1") = "6"
    & skf21("2","7","7","4","5","1","3","1") = "6"
    & skf21("2","7","7","4","5","1","4","1") = "6"
    & skf21("2","7","7","4","5","1","5","1") = "6"
    & skf21("2","7","7","4","5","1","6","1") = "6"
    & skf21("2","7","7","4","5","1","7","1") = "6"
    & skf21("2","7","7","4","5","2","1","1") = "6"
    & skf21("2","7","7","4","5","2","2","1") = "6"
    & skf21("2","7","7","4","5","2","3","1") = "6"
    & skf21("2","7","7","4","5","2","4","1") = "6"
    & skf21("2","7","7","4","5","2","5","1") = "6"
    & skf21("2","7","7","4","5","2","6","1") = "6"
    & skf21("2","7","7","4","5","2","7","1") = "6"
    & skf21("2","7","7","4","5","3","1","1") = "6"
    & skf21("2","7","7","4","5","3","2","1") = "6"
    & skf21("2","7","7","4","5","3","3","1") = "6"
    & skf21("2","7","7","4","5","3","4","1") = "6"
    & skf21("2","7","7","4","5","3","5","1") = "6"
    & skf21("2","7","7","4","5","3","6","1") = "6"
    & skf21("2","7","7","4","5","3","7","1") = "6"
    & skf21("2","7","7","4","5","4","1","1") = "6"
    & skf21("2","7","7","4","5","4","2","1") = "6"
    & skf21("2","7","7","4","5","4","3","1") = "6"
    & skf21("2","7","7","4","5","4","4","1") = "6"
    & skf21("2","7","7","4","5","4","5","1") = "6"
    & skf21("2","7","7","4","5","4","6","1") = "6"
    & skf21("2","7","7","4","5","4","7","1") = "6"
    & skf21("2","7","7","4","5","5","1","1") = "6"
    & skf21("2","7","7","4","5","5","2","1") = "6"
    & skf21("2","7","7","4","5","5","3","1") = "6"
    & skf21("2","7","7","4","5","5","4","1") = "6"
    & skf21("2","7","7","4","5","5","5","1") = "6"
    & skf21("2","7","7","4","5","5","6","1") = "6"
    & skf21("2","7","7","4","5","5","7","1") = "6"
    & skf21("2","7","7","4","5","6","1","1") = "6"
    & skf21("2","7","7","4","5","6","2","1") = "6"
    & skf21("2","7","7","4","5","6","3","1") = "6"
    & skf21("2","7","7","4","5","6","4","1") = "6"
    & skf21("2","7","7","4","5","6","5","1") = "6"
    & skf21("2","7","7","4","5","6","6","1") = "6"
    & skf21("2","7","7","4","5","6","7","1") = "6"
    & skf21("2","7","7","4","5","7","1","1") = "6"
    & skf21("2","7","7","4","5","7","2","1") = "6"
    & skf21("2","7","7","4","5","7","3","1") = "6"
    & skf21("2","7","7","4","5","7","4","1") = "6"
    & skf21("2","7","7","4","5","7","5","1") = "6"
    & skf21("2","7","7","4","5","7","6","1") = "6"
    & skf21("2","7","7","4","5","7","7","1") = "6"
    & skf21("2","7","7","4","6","1","1","1") = "6"
    & skf21("2","7","7","4","6","1","2","1") = "6"
    & skf21("2","7","7","4","6","1","3","1") = "6"
    & skf21("2","7","7","4","6","1","4","1") = "6"
    & skf21("2","7","7","4","6","1","5","1") = "6"
    & skf21("2","7","7","4","6","1","6","1") = "6"
    & skf21("2","7","7","4","6","1","7","1") = "6"
    & skf21("2","7","7","4","6","2","1","1") = "6"
    & skf21("2","7","7","4","6","2","2","1") = "6"
    & skf21("2","7","7","4","6","2","3","1") = "6"
    & skf21("2","7","7","4","6","2","4","1") = "6"
    & skf21("2","7","7","4","6","2","5","1") = "6"
    & skf21("2","7","7","4","6","2","6","1") = "6"
    & skf21("2","7","7","4","6","2","7","1") = "6"
    & skf21("2","7","7","4","6","3","1","1") = "6"
    & skf21("2","7","7","4","6","3","2","1") = "6"
    & skf21("2","7","7","4","6","3","3","1") = "6"
    & skf21("2","7","7","4","6","3","4","1") = "6"
    & skf21("2","7","7","4","6","3","5","1") = "6"
    & skf21("2","7","7","4","6","3","6","1") = "6"
    & skf21("2","7","7","4","6","3","7","1") = "6"
    & skf21("2","7","7","4","6","4","1","1") = "6"
    & skf21("2","7","7","4","6","4","2","1") = "6"
    & skf21("2","7","7","4","6","4","3","1") = "6"
    & skf21("2","7","7","4","6","4","4","1") = "6"
    & skf21("2","7","7","4","6","4","5","1") = "6"
    & skf21("2","7","7","4","6","4","6","1") = "6"
    & skf21("2","7","7","4","6","4","7","1") = "6"
    & skf21("2","7","7","4","6","5","1","1") = "6"
    & skf21("2","7","7","4","6","5","2","1") = "6"
    & skf21("2","7","7","4","6","5","3","1") = "6"
    & skf21("2","7","7","4","6","5","4","1") = "6"
    & skf21("2","7","7","4","6","5","5","1") = "6"
    & skf21("2","7","7","4","6","5","6","1") = "6"
    & skf21("2","7","7","4","6","5","7","1") = "6"
    & skf21("2","7","7","4","6","6","1","1") = "6"
    & skf21("2","7","7","4","6","6","2","1") = "6"
    & skf21("2","7","7","4","6","6","3","1") = "6"
    & skf21("2","7","7","4","6","6","4","1") = "6"
    & skf21("2","7","7","4","6","6","5","1") = "6"
    & skf21("2","7","7","4","6","6","6","1") = "6"
    & skf21("2","7","7","4","6","6","7","1") = "6"
    & skf21("2","7","7","4","6","7","1","1") = "6"
    & skf21("2","7","7","4","6","7","2","1") = "6"
    & skf21("2","7","7","4","6","7","3","1") = "6"
    & skf21("2","7","7","4","6","7","4","1") = "6"
    & skf21("2","7","7","4","6","7","5","1") = "6"
    & skf21("2","7","7","4","6","7","6","1") = "6"
    & skf21("2","7","7","4","6","7","7","1") = "6"
    & skf21("2","7","7","4","7","1","1","1") = "6"
    & skf21("2","7","7","4","7","1","2","1") = "6"
    & skf21("2","7","7","4","7","1","3","1") = "6"
    & skf21("2","7","7","4","7","1","4","1") = "6"
    & skf21("2","7","7","4","7","1","5","1") = "6"
    & skf21("2","7","7","4","7","1","6","1") = "6"
    & skf21("2","7","7","4","7","1","7","1") = "6"
    & skf21("2","7","7","4","7","2","1","1") = "6"
    & skf21("2","7","7","4","7","2","2","1") = "6"
    & skf21("2","7","7","4","7","2","3","1") = "6"
    & skf21("2","7","7","4","7","2","4","1") = "6"
    & skf21("2","7","7","4","7","2","5","1") = "6"
    & skf21("2","7","7","4","7","2","6","1") = "6"
    & skf21("2","7","7","4","7","2","7","1") = "6"
    & skf21("2","7","7","4","7","3","1","1") = "6"
    & skf21("2","7","7","4","7","3","2","1") = "6"
    & skf21("2","7","7","4","7","3","3","1") = "6"
    & skf21("2","7","7","4","7","3","4","1") = "6"
    & skf21("2","7","7","4","7","3","5","1") = "6"
    & skf21("2","7","7","4","7","3","6","1") = "6"
    & skf21("2","7","7","4","7","3","7","1") = "6"
    & skf21("2","7","7","4","7","4","1","1") = "6"
    & skf21("2","7","7","4","7","4","2","1") = "6"
    & skf21("2","7","7","4","7","4","3","1") = "6"
    & skf21("2","7","7","4","7","4","4","1") = "6"
    & skf21("2","7","7","4","7","4","5","1") = "6"
    & skf21("2","7","7","4","7","4","6","1") = "6"
    & skf21("2","7","7","4","7","4","7","1") = "6"
    & skf21("2","7","7","4","7","5","1","1") = "6"
    & skf21("2","7","7","4","7","5","2","1") = "6"
    & skf21("2","7","7","4","7","5","3","1") = "6"
    & skf21("2","7","7","4","7","5","4","1") = "6"
    & skf21("2","7","7","4","7","5","5","1") = "6"
    & skf21("2","7","7","4","7","5","6","1") = "6"
    & skf21("2","7","7","4","7","5","7","1") = "6"
    & skf21("2","7","7","4","7","6","1","1") = "6"
    & skf21("2","7","7","4","7","6","2","1") = "6"
    & skf21("2","7","7","4","7","6","3","1") = "6"
    & skf21("2","7","7","4","7","6","4","1") = "6"
    & skf21("2","7","7","4","7","6","5","1") = "6"
    & skf21("2","7","7","4","7","6","6","1") = "6"
    & skf21("2","7","7","4","7","6","7","1") = "6"
    & skf21("2","7","7","4","7","7","1","1") = "6"
    & skf21("2","7","7","4","7","7","2","1") = "6"
    & skf21("2","7","7","4","7","7","3","1") = "6"
    & skf21("2","7","7","4","7","7","4","1") = "6"
    & skf21("2","7","7","4","7","7","5","1") = "6"
    & skf21("2","7","7","4","7","7","6","1") = "6"
    & skf21("2","7","7","4","7","7","7","1") = "6"
    & skf21("2","7","7","5","1","1","1","1") = "6"
    & skf21("2","7","7","5","1","1","2","1") = "6"
    & skf21("2","7","7","5","1","1","3","1") = "6"
    & skf21("2","7","7","5","1","1","4","1") = "6"
    & skf21("2","7","7","5","1","1","5","1") = "6"
    & skf21("2","7","7","5","1","1","6","1") = "6"
    & skf21("2","7","7","5","1","1","7","1") = "6"
    & skf21("2","7","7","5","1","2","1","1") = "6"
    & skf21("2","7","7","5","1","2","2","1") = "6"
    & skf21("2","7","7","5","1","2","3","1") = "6"
    & skf21("2","7","7","5","1","2","4","1") = "6"
    & skf21("2","7","7","5","1","2","5","1") = "6"
    & skf21("2","7","7","5","1","2","6","1") = "6"
    & skf21("2","7","7","5","1","2","7","1") = "6"
    & skf21("2","7","7","5","1","3","1","1") = "6"
    & skf21("2","7","7","5","1","3","2","1") = "6"
    & skf21("2","7","7","5","1","3","3","1") = "6"
    & skf21("2","7","7","5","1","3","4","1") = "6"
    & skf21("2","7","7","5","1","3","5","1") = "6"
    & skf21("2","7","7","5","1","3","6","1") = "6"
    & skf21("2","7","7","5","1","3","7","1") = "6"
    & skf21("2","7","7","5","1","4","1","1") = "6"
    & skf21("2","7","7","5","1","4","2","1") = "6"
    & skf21("2","7","7","5","1","4","3","1") = "6"
    & skf21("2","7","7","5","1","4","4","1") = "6"
    & skf21("2","7","7","5","1","4","5","1") = "6"
    & skf21("2","7","7","5","1","4","6","1") = "6"
    & skf21("2","7","7","5","1","4","7","1") = "6"
    & skf21("2","7","7","5","1","5","1","1") = "6"
    & skf21("2","7","7","5","1","5","2","1") = "6"
    & skf21("2","7","7","5","1","5","3","1") = "6"
    & skf21("2","7","7","5","1","5","4","1") = "6"
    & skf21("2","7","7","5","1","5","5","1") = "6"
    & skf21("2","7","7","5","1","5","6","1") = "6"
    & skf21("2","7","7","5","1","5","7","1") = "6"
    & skf21("2","7","7","5","1","6","1","1") = "6"
    & skf21("2","7","7","5","1","6","2","1") = "6"
    & skf21("2","7","7","5","1","6","3","1") = "6"
    & skf21("2","7","7","5","1","6","4","1") = "6"
    & skf21("2","7","7","5","1","6","5","1") = "6"
    & skf21("2","7","7","5","1","6","6","1") = "6"
    & skf21("2","7","7","5","1","6","7","1") = "6"
    & skf21("2","7","7","5","1","7","1","1") = "6"
    & skf21("2","7","7","5","1","7","2","1") = "6"
    & skf21("2","7","7","5","1","7","3","1") = "6"
    & skf21("2","7","7","5","1","7","4","1") = "6"
    & skf21("2","7","7","5","1","7","5","1") = "6"
    & skf21("2","7","7","5","1","7","6","1") = "6"
    & skf21("2","7","7","5","1","7","7","1") = "6"
    & skf21("2","7","7","5","2","1","1","1") = "6"
    & skf21("2","7","7","5","2","1","2","1") = "6"
    & skf21("2","7","7","5","2","1","3","1") = "6"
    & skf21("2","7","7","5","2","1","4","1") = "6"
    & skf21("2","7","7","5","2","1","5","1") = "6"
    & skf21("2","7","7","5","2","1","6","1") = "6"
    & skf21("2","7","7","5","2","1","7","1") = "6"
    & skf21("2","7","7","5","2","2","1","1") = "6"
    & skf21("2","7","7","5","2","2","2","1") = "6"
    & skf21("2","7","7","5","2","2","3","1") = "6"
    & skf21("2","7","7","5","2","2","4","1") = "6"
    & skf21("2","7","7","5","2","2","5","1") = "6"
    & skf21("2","7","7","5","2","2","6","1") = "6"
    & skf21("2","7","7","5","2","2","7","1") = "6"
    & skf21("2","7","7","5","2","3","1","1") = "6"
    & skf21("2","7","7","5","2","3","2","1") = "6"
    & skf21("2","7","7","5","2","3","3","1") = "6"
    & skf21("2","7","7","5","2","3","4","1") = "6"
    & skf21("2","7","7","5","2","3","5","1") = "6"
    & skf21("2","7","7","5","2","3","6","1") = "6"
    & skf21("2","7","7","5","2","3","7","1") = "6"
    & skf21("2","7","7","5","2","4","1","1") = "6"
    & skf21("2","7","7","5","2","4","2","1") = "6"
    & skf21("2","7","7","5","2","4","3","1") = "6"
    & skf21("2","7","7","5","2","4","4","1") = "6"
    & skf21("2","7","7","5","2","4","5","1") = "6"
    & skf21("2","7","7","5","2","4","6","1") = "6"
    & skf21("2","7","7","5","2","4","7","1") = "6"
    & skf21("2","7","7","5","2","5","1","1") = "6"
    & skf21("2","7","7","5","2","5","2","1") = "6"
    & skf21("2","7","7","5","2","5","3","1") = "6"
    & skf21("2","7","7","5","2","5","4","1") = "6"
    & skf21("2","7","7","5","2","5","5","1") = "6"
    & skf21("2","7","7","5","2","5","6","1") = "6"
    & skf21("2","7","7","5","2","5","7","1") = "6"
    & skf21("2","7","7","5","2","6","1","1") = "6"
    & skf21("2","7","7","5","2","6","2","1") = "6"
    & skf21("2","7","7","5","2","6","3","1") = "6"
    & skf21("2","7","7","5","2","6","4","1") = "6"
    & skf21("2","7","7","5","2","6","5","1") = "6"
    & skf21("2","7","7","5","2","6","6","1") = "6"
    & skf21("2","7","7","5","2","6","7","1") = "6"
    & skf21("2","7","7","5","2","7","1","1") = "6"
    & skf21("2","7","7","5","2","7","2","1") = "6"
    & skf21("2","7","7","5","2","7","3","1") = "6"
    & skf21("2","7","7","5","2","7","4","1") = "6"
    & skf21("2","7","7","5","2","7","5","1") = "6"
    & skf21("2","7","7","5","2","7","6","1") = "6"
    & skf21("2","7","7","5","2","7","7","1") = "6"
    & skf21("2","7","7","5","3","1","1","1") = "6"
    & skf21("2","7","7","5","3","1","2","1") = "6"
    & skf21("2","7","7","5","3","1","3","1") = "6"
    & skf21("2","7","7","5","3","1","4","1") = "6"
    & skf21("2","7","7","5","3","1","5","1") = "6"
    & skf21("2","7","7","5","3","1","6","1") = "6"
    & skf21("2","7","7","5","3","1","7","1") = "6"
    & skf21("2","7","7","5","3","2","1","1") = "6"
    & skf21("2","7","7","5","3","2","2","1") = "6"
    & skf21("2","7","7","5","3","2","3","1") = "6"
    & skf21("2","7","7","5","3","2","4","1") = "6"
    & skf21("2","7","7","5","3","2","5","1") = "6"
    & skf21("2","7","7","5","3","2","6","1") = "6"
    & skf21("2","7","7","5","3","2","7","1") = "6"
    & skf21("2","7","7","5","3","3","1","1") = "6"
    & skf21("2","7","7","5","3","3","2","1") = "6"
    & skf21("2","7","7","5","3","3","3","1") = "6"
    & skf21("2","7","7","5","3","3","4","1") = "6"
    & skf21("2","7","7","5","3","3","5","1") = "6"
    & skf21("2","7","7","5","3","3","6","1") = "6"
    & skf21("2","7","7","5","3","3","7","1") = "6"
    & skf21("2","7","7","5","3","4","1","1") = "6"
    & skf21("2","7","7","5","3","4","2","1") = "6"
    & skf21("2","7","7","5","3","4","3","1") = "6"
    & skf21("2","7","7","5","3","4","4","1") = "6"
    & skf21("2","7","7","5","3","4","5","1") = "6"
    & skf21("2","7","7","5","3","4","6","1") = "6"
    & skf21("2","7","7","5","3","4","7","1") = "6"
    & skf21("2","7","7","5","3","5","1","1") = "6"
    & skf21("2","7","7","5","3","5","2","1") = "6"
    & skf21("2","7","7","5","3","5","3","1") = "6"
    & skf21("2","7","7","5","3","5","4","1") = "6"
    & skf21("2","7","7","5","3","5","5","1") = "6"
    & skf21("2","7","7","5","3","5","6","1") = "6"
    & skf21("2","7","7","5","3","5","7","1") = "6"
    & skf21("2","7","7","5","3","6","1","1") = "6"
    & skf21("2","7","7","5","3","6","2","1") = "6"
    & skf21("2","7","7","5","3","6","3","1") = "6"
    & skf21("2","7","7","5","3","6","4","1") = "6"
    & skf21("2","7","7","5","3","6","5","1") = "6"
    & skf21("2","7","7","5","3","6","6","1") = "6"
    & skf21("2","7","7","5","3","6","7","1") = "6"
    & skf21("2","7","7","5","3","7","1","1") = "6"
    & skf21("2","7","7","5","3","7","2","1") = "6"
    & skf21("2","7","7","5","3","7","3","1") = "6"
    & skf21("2","7","7","5","3","7","4","1") = "6"
    & skf21("2","7","7","5","3","7","5","1") = "6"
    & skf21("2","7","7","5","3","7","6","1") = "6"
    & skf21("2","7","7","5","3","7","7","1") = "6"
    & skf21("2","7","7","5","4","1","1","1") = "6"
    & skf21("2","7","7","5","4","1","2","1") = "6"
    & skf21("2","7","7","5","4","1","3","1") = "6"
    & skf21("2","7","7","5","4","1","4","1") = "6"
    & skf21("2","7","7","5","4","1","5","1") = "6"
    & skf21("2","7","7","5","4","1","6","1") = "6"
    & skf21("2","7","7","5","4","1","7","1") = "6"
    & skf21("2","7","7","5","4","2","1","1") = "6"
    & skf21("2","7","7","5","4","2","2","1") = "6"
    & skf21("2","7","7","5","4","2","3","1") = "6"
    & skf21("2","7","7","5","4","2","4","1") = "6"
    & skf21("2","7","7","5","4","2","5","1") = "6"
    & skf21("2","7","7","5","4","2","6","1") = "6"
    & skf21("2","7","7","5","4","2","7","1") = "6"
    & skf21("2","7","7","5","4","3","1","1") = "6"
    & skf21("2","7","7","5","4","3","2","1") = "6"
    & skf21("2","7","7","5","4","3","3","1") = "6"
    & skf21("2","7","7","5","4","3","4","1") = "6"
    & skf21("2","7","7","5","4","3","5","1") = "6"
    & skf21("2","7","7","5","4","3","6","1") = "6"
    & skf21("2","7","7","5","4","3","7","1") = "6"
    & skf21("2","7","7","5","4","4","1","1") = "6"
    & skf21("2","7","7","5","4","4","2","1") = "6"
    & skf21("2","7","7","5","4","4","3","1") = "6"
    & skf21("2","7","7","5","4","4","4","1") = "6"
    & skf21("2","7","7","5","4","4","5","1") = "6"
    & skf21("2","7","7","5","4","4","6","1") = "6"
    & skf21("2","7","7","5","4","4","7","1") = "6"
    & skf21("2","7","7","5","4","5","1","1") = "6"
    & skf21("2","7","7","5","4","5","2","1") = "6"
    & skf21("2","7","7","5","4","5","3","1") = "6"
    & skf21("2","7","7","5","4","5","4","1") = "6"
    & skf21("2","7","7","5","4","5","5","1") = "6"
    & skf21("2","7","7","5","4","5","6","1") = "6"
    & skf21("2","7","7","5","4","5","7","1") = "6"
    & skf21("2","7","7","5","4","6","1","1") = "6"
    & skf21("2","7","7","5","4","6","2","1") = "6"
    & skf21("2","7","7","5","4","6","3","1") = "6"
    & skf21("2","7","7","5","4","6","4","1") = "6"
    & skf21("2","7","7","5","4","6","5","1") = "6"
    & skf21("2","7","7","5","4","6","6","1") = "6"
    & skf21("2","7","7","5","4","6","7","1") = "6"
    & skf21("2","7","7","5","4","7","1","1") = "6"
    & skf21("2","7","7","5","4","7","2","1") = "6"
    & skf21("2","7","7","5","4","7","3","1") = "6"
    & skf21("2","7","7","5","4","7","4","1") = "6"
    & skf21("2","7","7","5","4","7","5","1") = "6"
    & skf21("2","7","7","5","4","7","6","1") = "6"
    & skf21("2","7","7","5","4","7","7","1") = "6"
    & skf21("2","7","7","5","5","1","1","1") = "6"
    & skf21("2","7","7","5","5","1","2","1") = "6"
    & skf21("2","7","7","5","5","1","3","1") = "6"
    & skf21("2","7","7","5","5","1","4","1") = "6"
    & skf21("2","7","7","5","5","1","5","1") = "6"
    & skf21("2","7","7","5","5","1","6","1") = "6"
    & skf21("2","7","7","5","5","1","7","1") = "6"
    & skf21("2","7","7","5","5","2","1","1") = "6"
    & skf21("2","7","7","5","5","2","2","1") = "6"
    & skf21("2","7","7","5","5","2","3","1") = "6"
    & skf21("2","7","7","5","5","2","4","1") = "6"
    & skf21("2","7","7","5","5","2","5","1") = "6"
    & skf21("2","7","7","5","5","2","6","1") = "6"
    & skf21("2","7","7","5","5","2","7","1") = "6"
    & skf21("2","7","7","5","5","3","1","1") = "6"
    & skf21("2","7","7","5","5","3","2","1") = "6"
    & skf21("2","7","7","5","5","3","3","1") = "6"
    & skf21("2","7","7","5","5","3","4","1") = "6"
    & skf21("2","7","7","5","5","3","5","1") = "6"
    & skf21("2","7","7","5","5","3","6","1") = "6"
    & skf21("2","7","7","5","5","3","7","1") = "6"
    & skf21("2","7","7","5","5","4","1","1") = "6"
    & skf21("2","7","7","5","5","4","2","1") = "6"
    & skf21("2","7","7","5","5","4","3","1") = "6"
    & skf21("2","7","7","5","5","4","4","1") = "6"
    & skf21("2","7","7","5","5","4","5","1") = "6"
    & skf21("2","7","7","5","5","4","6","1") = "6"
    & skf21("2","7","7","5","5","4","7","1") = "6"
    & skf21("2","7","7","5","5","5","1","1") = "6"
    & skf21("2","7","7","5","5","5","2","1") = "6"
    & skf21("2","7","7","5","5","5","3","1") = "6"
    & skf21("2","7","7","5","5","5","4","1") = "6"
    & skf21("2","7","7","5","5","5","5","1") = "6"
    & skf21("2","7","7","5","5","5","6","1") = "6"
    & skf21("2","7","7","5","5","5","7","1") = "6"
    & skf21("2","7","7","5","5","6","1","1") = "6"
    & skf21("2","7","7","5","5","6","2","1") = "6"
    & skf21("2","7","7","5","5","6","3","1") = "6"
    & skf21("2","7","7","5","5","6","4","1") = "6"
    & skf21("2","7","7","5","5","6","5","1") = "6"
    & skf21("2","7","7","5","5","6","6","1") = "6"
    & skf21("2","7","7","5","5","6","7","1") = "6"
    & skf21("2","7","7","5","5","7","1","1") = "6"
    & skf21("2","7","7","5","5","7","2","1") = "6"
    & skf21("2","7","7","5","5","7","3","1") = "6"
    & skf21("2","7","7","5","5","7","4","1") = "6"
    & skf21("2","7","7","5","5","7","5","1") = "6"
    & skf21("2","7","7","5","5","7","6","1") = "6"
    & skf21("2","7","7","5","5","7","7","1") = "6"
    & skf21("2","7","7","5","6","1","1","1") = "6"
    & skf21("2","7","7","5","6","1","2","1") = "6"
    & skf21("2","7","7","5","6","1","3","1") = "6"
    & skf21("2","7","7","5","6","1","4","1") = "6"
    & skf21("2","7","7","5","6","1","5","1") = "6"
    & skf21("2","7","7","5","6","1","6","1") = "6"
    & skf21("2","7","7","5","6","1","7","1") = "6"
    & skf21("2","7","7","5","6","2","1","1") = "6"
    & skf21("2","7","7","5","6","2","2","1") = "6"
    & skf21("2","7","7","5","6","2","3","1") = "6"
    & skf21("2","7","7","5","6","2","4","1") = "6"
    & skf21("2","7","7","5","6","2","5","1") = "6"
    & skf21("2","7","7","5","6","2","6","1") = "6"
    & skf21("2","7","7","5","6","2","7","1") = "6"
    & skf21("2","7","7","5","6","3","1","1") = "6"
    & skf21("2","7","7","5","6","3","2","1") = "6"
    & skf21("2","7","7","5","6","3","3","1") = "6"
    & skf21("2","7","7","5","6","3","4","1") = "6"
    & skf21("2","7","7","5","6","3","5","1") = "6"
    & skf21("2","7","7","5","6","3","6","1") = "6"
    & skf21("2","7","7","5","6","3","7","1") = "6"
    & skf21("2","7","7","5","6","4","1","1") = "6"
    & skf21("2","7","7","5","6","4","2","1") = "6"
    & skf21("2","7","7","5","6","4","3","1") = "6"
    & skf21("2","7","7","5","6","4","4","1") = "6"
    & skf21("2","7","7","5","6","4","5","1") = "6"
    & skf21("2","7","7","5","6","4","6","1") = "6"
    & skf21("2","7","7","5","6","4","7","1") = "6"
    & skf21("2","7","7","5","6","5","1","1") = "6"
    & skf21("2","7","7","5","6","5","2","1") = "6"
    & skf21("2","7","7","5","6","5","3","1") = "6"
    & skf21("2","7","7","5","6","5","4","1") = "6"
    & skf21("2","7","7","5","6","5","5","1") = "6"
    & skf21("2","7","7","5","6","5","6","1") = "6"
    & skf21("2","7","7","5","6","5","7","1") = "6"
    & skf21("2","7","7","5","6","6","1","1") = "6"
    & skf21("2","7","7","5","6","6","2","1") = "6"
    & skf21("2","7","7","5","6","6","3","1") = "6"
    & skf21("2","7","7","5","6","6","4","1") = "6"
    & skf21("2","7","7","5","6","6","5","1") = "6"
    & skf21("2","7","7","5","6","6","6","1") = "6"
    & skf21("2","7","7","5","6","6","7","1") = "6"
    & skf21("2","7","7","5","6","7","1","1") = "6"
    & skf21("2","7","7","5","6","7","2","1") = "6"
    & skf21("2","7","7","5","6","7","3","1") = "6"
    & skf21("2","7","7","5","6","7","4","1") = "6"
    & skf21("2","7","7","5","6","7","5","1") = "6"
    & skf21("2","7","7","5","6","7","6","1") = "6"
    & skf21("2","7","7","5","6","7","7","1") = "6"
    & skf21("2","7","7","5","7","1","1","1") = "6"
    & skf21("2","7","7","5","7","1","2","1") = "6"
    & skf21("2","7","7","5","7","1","3","1") = "6"
    & skf21("2","7","7","5","7","1","4","1") = "6"
    & skf21("2","7","7","5","7","1","5","1") = "6"
    & skf21("2","7","7","5","7","1","6","1") = "6"
    & skf21("2","7","7","5","7","1","7","1") = "6"
    & skf21("2","7","7","5","7","2","1","1") = "6"
    & skf21("2","7","7","5","7","2","2","1") = "6"
    & skf21("2","7","7","5","7","2","3","1") = "6"
    & skf21("2","7","7","5","7","2","4","1") = "6"
    & skf21("2","7","7","5","7","2","5","1") = "6"
    & skf21("2","7","7","5","7","2","6","1") = "6"
    & skf21("2","7","7","5","7","2","7","1") = "6"
    & skf21("2","7","7","5","7","3","1","1") = "6"
    & skf21("2","7","7","5","7","3","2","1") = "6"
    & skf21("2","7","7","5","7","3","3","1") = "6"
    & skf21("2","7","7","5","7","3","4","1") = "6"
    & skf21("2","7","7","5","7","3","5","1") = "6"
    & skf21("2","7","7","5","7","3","6","1") = "6"
    & skf21("2","7","7","5","7","3","7","1") = "6"
    & skf21("2","7","7","5","7","4","1","1") = "6"
    & skf21("2","7","7","5","7","4","2","1") = "6"
    & skf21("2","7","7","5","7","4","3","1") = "6"
    & skf21("2","7","7","5","7","4","4","1") = "6"
    & skf21("2","7","7","5","7","4","5","1") = "6"
    & skf21("2","7","7","5","7","4","6","1") = "6"
    & skf21("2","7","7","5","7","4","7","1") = "6"
    & skf21("2","7","7","5","7","5","1","1") = "6"
    & skf21("2","7","7","5","7","5","2","1") = "6"
    & skf21("2","7","7","5","7","5","3","1") = "6"
    & skf21("2","7","7","5","7","5","4","1") = "6"
    & skf21("2","7","7","5","7","5","5","1") = "6"
    & skf21("2","7","7","5","7","5","6","1") = "6"
    & skf21("2","7","7","5","7","5","7","1") = "6"
    & skf21("2","7","7","5","7","6","1","1") = "6"
    & skf21("2","7","7","5","7","6","2","1") = "6"
    & skf21("2","7","7","5","7","6","3","1") = "6"
    & skf21("2","7","7","5","7","6","4","1") = "6"
    & skf21("2","7","7","5","7","6","5","1") = "6"
    & skf21("2","7","7","5","7","6","6","1") = "6"
    & skf21("2","7","7","5","7","6","7","1") = "6"
    & skf21("2","7","7","5","7","7","1","1") = "6"
    & skf21("2","7","7","5","7","7","2","1") = "6"
    & skf21("2","7","7","5","7","7","3","1") = "6"
    & skf21("2","7","7","5","7","7","4","1") = "6"
    & skf21("2","7","7","5","7","7","5","1") = "6"
    & skf21("2","7","7","5","7","7","6","1") = "6"
    & skf21("2","7","7","5","7","7","7","1") = "6"
    & skf21("2","7","7","6","1","1","1","1") = "6"
    & skf21("2","7","7","6","1","1","2","1") = "6"
    & skf21("2","7","7","6","1","1","3","1") = "6"
    & skf21("2","7","7","6","1","1","4","1") = "6"
    & skf21("2","7","7","6","1","1","5","1") = "6"
    & skf21("2","7","7","6","1","1","6","1") = "6"
    & skf21("2","7","7","6","1","1","7","1") = "6"
    & skf21("2","7","7","6","1","2","1","1") = "6"
    & skf21("2","7","7","6","1","2","2","1") = "6"
    & skf21("2","7","7","6","1","2","3","1") = "6"
    & skf21("2","7","7","6","1","2","4","1") = "6"
    & skf21("2","7","7","6","1","2","5","1") = "6"
    & skf21("2","7","7","6","1","2","6","1") = "6"
    & skf21("2","7","7","6","1","2","7","1") = "6"
    & skf21("2","7","7","6","1","3","1","1") = "6"
    & skf21("2","7","7","6","1","3","2","1") = "6"
    & skf21("2","7","7","6","1","3","3","1") = "6"
    & skf21("2","7","7","6","1","3","4","1") = "6"
    & skf21("2","7","7","6","1","3","5","1") = "6"
    & skf21("2","7","7","6","1","3","6","1") = "6"
    & skf21("2","7","7","6","1","3","7","1") = "6"
    & skf21("2","7","7","6","1","4","1","1") = "6"
    & skf21("2","7","7","6","1","4","2","1") = "6"
    & skf21("2","7","7","6","1","4","3","1") = "6"
    & skf21("2","7","7","6","1","4","4","1") = "6"
    & skf21("2","7","7","6","1","4","5","1") = "6"
    & skf21("2","7","7","6","1","4","6","1") = "6"
    & skf21("2","7","7","6","1","4","7","1") = "6"
    & skf21("2","7","7","6","1","5","1","1") = "6"
    & skf21("2","7","7","6","1","5","2","1") = "6"
    & skf21("2","7","7","6","1","5","3","1") = "6"
    & skf21("2","7","7","6","1","5","4","1") = "6"
    & skf21("2","7","7","6","1","5","5","1") = "6"
    & skf21("2","7","7","6","1","5","6","1") = "6"
    & skf21("2","7","7","6","1","5","7","1") = "6"
    & skf21("2","7","7","6","1","6","1","1") = "6"
    & skf21("2","7","7","6","1","6","2","1") = "6"
    & skf21("2","7","7","6","1","6","3","1") = "6"
    & skf21("2","7","7","6","1","6","4","1") = "6"
    & skf21("2","7","7","6","1","6","5","1") = "6"
    & skf21("2","7","7","6","1","6","6","1") = "6"
    & skf21("2","7","7","6","1","6","7","1") = "6"
    & skf21("2","7","7","6","1","7","1","1") = "6"
    & skf21("2","7","7","6","1","7","2","1") = "6"
    & skf21("2","7","7","6","1","7","3","1") = "6"
    & skf21("2","7","7","6","1","7","4","1") = "6"
    & skf21("2","7","7","6","1","7","5","1") = "6"
    & skf21("2","7","7","6","1","7","6","1") = "6"
    & skf21("2","7","7","6","1","7","7","1") = "6"
    & skf21("2","7","7","6","2","1","1","1") = "6"
    & skf21("2","7","7","6","2","1","2","1") = "6"
    & skf21("2","7","7","6","2","1","3","1") = "6"
    & skf21("2","7","7","6","2","1","4","1") = "6"
    & skf21("2","7","7","6","2","1","5","1") = "6"
    & skf21("2","7","7","6","2","1","6","1") = "6"
    & skf21("2","7","7","6","2","1","7","1") = "6"
    & skf21("2","7","7","6","2","2","1","1") = "6"
    & skf21("2","7","7","6","2","2","2","1") = "6"
    & skf21("2","7","7","6","2","2","3","1") = "6"
    & skf21("2","7","7","6","2","2","4","1") = "6"
    & skf21("2","7","7","6","2","2","5","1") = "6"
    & skf21("2","7","7","6","2","2","6","1") = "6"
    & skf21("2","7","7","6","2","2","7","1") = "6"
    & skf21("2","7","7","6","2","3","1","1") = "6"
    & skf21("2","7","7","6","2","3","2","1") = "6"
    & skf21("2","7","7","6","2","3","3","1") = "6"
    & skf21("2","7","7","6","2","3","4","1") = "6"
    & skf21("2","7","7","6","2","3","5","1") = "6"
    & skf21("2","7","7","6","2","3","6","1") = "6"
    & skf21("2","7","7","6","2","3","7","1") = "6"
    & skf21("2","7","7","6","2","4","1","1") = "6"
    & skf21("2","7","7","6","2","4","2","1") = "6"
    & skf21("2","7","7","6","2","4","3","1") = "6"
    & skf21("2","7","7","6","2","4","4","1") = "6"
    & skf21("2","7","7","6","2","4","5","1") = "6"
    & skf21("2","7","7","6","2","4","6","1") = "6"
    & skf21("2","7","7","6","2","4","7","1") = "6"
    & skf21("2","7","7","6","2","5","1","1") = "6"
    & skf21("2","7","7","6","2","5","2","1") = "6"
    & skf21("2","7","7","6","2","5","3","1") = "6"
    & skf21("2","7","7","6","2","5","4","1") = "6"
    & skf21("2","7","7","6","2","5","5","1") = "6"
    & skf21("2","7","7","6","2","5","6","1") = "6"
    & skf21("2","7","7","6","2","5","7","1") = "6"
    & skf21("2","7","7","6","2","6","1","1") = "6"
    & skf21("2","7","7","6","2","6","2","1") = "6"
    & skf21("2","7","7","6","2","6","3","1") = "6"
    & skf21("2","7","7","6","2","6","4","1") = "6"
    & skf21("2","7","7","6","2","6","5","1") = "6"
    & skf21("2","7","7","6","2","6","6","1") = "6"
    & skf21("2","7","7","6","2","6","7","1") = "6"
    & skf21("2","7","7","6","2","7","1","1") = "6"
    & skf21("2","7","7","6","2","7","2","1") = "6"
    & skf21("2","7","7","6","2","7","3","1") = "6"
    & skf21("2","7","7","6","2","7","4","1") = "6"
    & skf21("2","7","7","6","2","7","5","1") = "6"
    & skf21("2","7","7","6","2","7","6","1") = "6"
    & skf21("2","7","7","6","2","7","7","1") = "6"
    & skf21("2","7","7","6","3","1","1","1") = "6"
    & skf21("2","7","7","6","3","1","2","1") = "6"
    & skf21("2","7","7","6","3","1","3","1") = "6"
    & skf21("2","7","7","6","3","1","4","1") = "6"
    & skf21("2","7","7","6","3","1","5","1") = "6"
    & skf21("2","7","7","6","3","1","6","1") = "6"
    & skf21("2","7","7","6","3","1","7","1") = "6"
    & skf21("2","7","7","6","3","2","1","1") = "6"
    & skf21("2","7","7","6","3","2","2","1") = "6"
    & skf21("2","7","7","6","3","2","3","1") = "6"
    & skf21("2","7","7","6","3","2","4","1") = "6"
    & skf21("2","7","7","6","3","2","5","1") = "6"
    & skf21("2","7","7","6","3","2","6","1") = "6"
    & skf21("2","7","7","6","3","2","7","1") = "6"
    & skf21("2","7","7","6","3","3","1","1") = "6"
    & skf21("2","7","7","6","3","3","2","1") = "6"
    & skf21("2","7","7","6","3","3","3","1") = "6"
    & skf21("2","7","7","6","3","3","4","1") = "6"
    & skf21("2","7","7","6","3","3","5","1") = "6"
    & skf21("2","7","7","6","3","3","6","1") = "6"
    & skf21("2","7","7","6","3","3","7","1") = "6"
    & skf21("2","7","7","6","3","4","1","1") = "6"
    & skf21("2","7","7","6","3","4","2","1") = "6"
    & skf21("2","7","7","6","3","4","3","1") = "6"
    & skf21("2","7","7","6","3","4","4","1") = "6"
    & skf21("2","7","7","6","3","4","5","1") = "6"
    & skf21("2","7","7","6","3","4","6","1") = "6"
    & skf21("2","7","7","6","3","4","7","1") = "6"
    & skf21("2","7","7","6","3","5","1","1") = "6"
    & skf21("2","7","7","6","3","5","2","1") = "6"
    & skf21("2","7","7","6","3","5","3","1") = "6"
    & skf21("2","7","7","6","3","5","4","1") = "6"
    & skf21("2","7","7","6","3","5","5","1") = "6"
    & skf21("2","7","7","6","3","5","6","1") = "6"
    & skf21("2","7","7","6","3","5","7","1") = "6"
    & skf21("2","7","7","6","3","6","1","1") = "6"
    & skf21("2","7","7","6","3","6","2","1") = "6"
    & skf21("2","7","7","6","3","6","3","1") = "6"
    & skf21("2","7","7","6","3","6","4","1") = "6"
    & skf21("2","7","7","6","3","6","5","1") = "6"
    & skf21("2","7","7","6","3","6","6","1") = "6"
    & skf21("2","7","7","6","3","6","7","1") = "6"
    & skf21("2","7","7","6","3","7","1","1") = "6"
    & skf21("2","7","7","6","3","7","2","1") = "6"
    & skf21("2","7","7","6","3","7","3","1") = "6"
    & skf21("2","7","7","6","3","7","4","1") = "6"
    & skf21("2","7","7","6","3","7","5","1") = "6"
    & skf21("2","7","7","6","3","7","6","1") = "6"
    & skf21("2","7","7","6","3","7","7","1") = "6"
    & skf21("2","7","7","6","4","1","1","1") = "6"
    & skf21("2","7","7","6","4","1","2","1") = "6"
    & skf21("2","7","7","6","4","1","3","1") = "6"
    & skf21("2","7","7","6","4","1","4","1") = "6"
    & skf21("2","7","7","6","4","1","5","1") = "6"
    & skf21("2","7","7","6","4","1","6","1") = "6"
    & skf21("2","7","7","6","4","1","7","1") = "6"
    & skf21("2","7","7","6","4","2","1","1") = "6"
    & skf21("2","7","7","6","4","2","2","1") = "6"
    & skf21("2","7","7","6","4","2","3","1") = "6"
    & skf21("2","7","7","6","4","2","4","1") = "6"
    & skf21("2","7","7","6","4","2","5","1") = "6"
    & skf21("2","7","7","6","4","2","6","1") = "6"
    & skf21("2","7","7","6","4","2","7","1") = "6"
    & skf21("2","7","7","6","4","3","1","1") = "6"
    & skf21("2","7","7","6","4","3","2","1") = "6"
    & skf21("2","7","7","6","4","3","3","1") = "6"
    & skf21("2","7","7","6","4","3","4","1") = "6"
    & skf21("2","7","7","6","4","3","5","1") = "6"
    & skf21("2","7","7","6","4","3","6","1") = "6"
    & skf21("2","7","7","6","4","3","7","1") = "6"
    & skf21("2","7","7","6","4","4","1","1") = "6"
    & skf21("2","7","7","6","4","4","2","1") = "6"
    & skf21("2","7","7","6","4","4","3","1") = "6"
    & skf21("2","7","7","6","4","4","4","1") = "6"
    & skf21("2","7","7","6","4","4","5","1") = "6"
    & skf21("2","7","7","6","4","4","6","1") = "6"
    & skf21("2","7","7","6","4","4","7","1") = "6"
    & skf21("2","7","7","6","4","5","1","1") = "6"
    & skf21("2","7","7","6","4","5","2","1") = "6"
    & skf21("2","7","7","6","4","5","3","1") = "6"
    & skf21("2","7","7","6","4","5","4","1") = "6"
    & skf21("2","7","7","6","4","5","5","1") = "6"
    & skf21("2","7","7","6","4","5","6","1") = "6"
    & skf21("2","7","7","6","4","5","7","1") = "6"
    & skf21("2","7","7","6","4","6","1","1") = "6"
    & skf21("2","7","7","6","4","6","2","1") = "6"
    & skf21("2","7","7","6","4","6","3","1") = "6"
    & skf21("2","7","7","6","4","6","4","1") = "6"
    & skf21("2","7","7","6","4","6","5","1") = "6"
    & skf21("2","7","7","6","4","6","6","1") = "6"
    & skf21("2","7","7","6","4","6","7","1") = "6"
    & skf21("2","7","7","6","4","7","1","1") = "6"
    & skf21("2","7","7","6","4","7","2","1") = "6"
    & skf21("2","7","7","6","4","7","3","1") = "6"
    & skf21("2","7","7","6","4","7","4","1") = "6"
    & skf21("2","7","7","6","4","7","5","1") = "6"
    & skf21("2","7","7","6","4","7","6","1") = "6"
    & skf21("2","7","7","6","4","7","7","1") = "6"
    & skf21("2","7","7","6","5","1","1","1") = "6"
    & skf21("2","7","7","6","5","1","2","1") = "6"
    & skf21("2","7","7","6","5","1","3","1") = "6"
    & skf21("2","7","7","6","5","1","4","1") = "6"
    & skf21("2","7","7","6","5","1","5","1") = "6"
    & skf21("2","7","7","6","5","1","6","1") = "6"
    & skf21("2","7","7","6","5","1","7","1") = "6"
    & skf21("2","7","7","6","5","2","1","1") = "6"
    & skf21("2","7","7","6","5","2","2","1") = "6"
    & skf21("2","7","7","6","5","2","3","1") = "6"
    & skf21("2","7","7","6","5","2","4","1") = "6"
    & skf21("2","7","7","6","5","2","5","1") = "6"
    & skf21("2","7","7","6","5","2","6","1") = "6"
    & skf21("2","7","7","6","5","2","7","1") = "6"
    & skf21("2","7","7","6","5","3","1","1") = "6"
    & skf21("2","7","7","6","5","3","2","1") = "6"
    & skf21("2","7","7","6","5","3","3","1") = "6"
    & skf21("2","7","7","6","5","3","4","1") = "6"
    & skf21("2","7","7","6","5","3","5","1") = "6"
    & skf21("2","7","7","6","5","3","6","1") = "6"
    & skf21("2","7","7","6","5","3","7","1") = "6"
    & skf21("2","7","7","6","5","4","1","1") = "6"
    & skf21("2","7","7","6","5","4","2","1") = "6"
    & skf21("2","7","7","6","5","4","3","1") = "6"
    & skf21("2","7","7","6","5","4","4","1") = "6"
    & skf21("2","7","7","6","5","4","5","1") = "6"
    & skf21("2","7","7","6","5","4","6","1") = "6"
    & skf21("2","7","7","6","5","4","7","1") = "6"
    & skf21("2","7","7","6","5","5","1","1") = "6"
    & skf21("2","7","7","6","5","5","2","1") = "6"
    & skf21("2","7","7","6","5","5","3","1") = "6"
    & skf21("2","7","7","6","5","5","4","1") = "6"
    & skf21("2","7","7","6","5","5","5","1") = "6"
    & skf21("2","7","7","6","5","5","6","1") = "6"
    & skf21("2","7","7","6","5","5","7","1") = "6"
    & skf21("2","7","7","6","5","6","1","1") = "6"
    & skf21("2","7","7","6","5","6","2","1") = "6"
    & skf21("2","7","7","6","5","6","3","1") = "6"
    & skf21("2","7","7","6","5","6","4","1") = "6"
    & skf21("2","7","7","6","5","6","5","1") = "6"
    & skf21("2","7","7","6","5","6","6","1") = "6"
    & skf21("2","7","7","6","5","6","7","1") = "6"
    & skf21("2","7","7","6","5","7","1","1") = "6"
    & skf21("2","7","7","6","5","7","2","1") = "6"
    & skf21("2","7","7","6","5","7","3","1") = "6"
    & skf21("2","7","7","6","5","7","4","1") = "6"
    & skf21("2","7","7","6","5","7","5","1") = "6"
    & skf21("2","7","7","6","5","7","6","1") = "6"
    & skf21("2","7","7","6","5","7","7","1") = "6"
    & skf21("2","7","7","6","6","1","1","1") = "6"
    & skf21("2","7","7","6","6","1","2","1") = "6"
    & skf21("2","7","7","6","6","1","3","1") = "6"
    & skf21("2","7","7","6","6","1","4","1") = "6"
    & skf21("2","7","7","6","6","1","5","1") = "6"
    & skf21("2","7","7","6","6","1","6","1") = "6"
    & skf21("2","7","7","6","6","1","7","1") = "6"
    & skf21("2","7","7","6","6","2","1","1") = "6"
    & skf21("2","7","7","6","6","2","2","1") = "6"
    & skf21("2","7","7","6","6","2","3","1") = "6"
    & skf21("2","7","7","6","6","2","4","1") = "6"
    & skf21("2","7","7","6","6","2","5","1") = "6"
    & skf21("2","7","7","6","6","2","6","1") = "6"
    & skf21("2","7","7","6","6","2","7","1") = "6"
    & skf21("2","7","7","6","6","3","1","1") = "6"
    & skf21("2","7","7","6","6","3","2","1") = "6"
    & skf21("2","7","7","6","6","3","3","1") = "6"
    & skf21("2","7","7","6","6","3","4","1") = "6"
    & skf21("2","7","7","6","6","3","5","1") = "6"
    & skf21("2","7","7","6","6","3","6","1") = "6"
    & skf21("2","7","7","6","6","3","7","1") = "6"
    & skf21("2","7","7","6","6","4","1","1") = "6"
    & skf21("2","7","7","6","6","4","2","1") = "6"
    & skf21("2","7","7","6","6","4","3","1") = "6"
    & skf21("2","7","7","6","6","4","4","1") = "6"
    & skf21("2","7","7","6","6","4","5","1") = "6"
    & skf21("2","7","7","6","6","4","6","1") = "6"
    & skf21("2","7","7","6","6","4","7","1") = "6"
    & skf21("2","7","7","6","6","5","1","1") = "6"
    & skf21("2","7","7","6","6","5","2","1") = "6"
    & skf21("2","7","7","6","6","5","3","1") = "6"
    & skf21("2","7","7","6","6","5","4","1") = "6"
    & skf21("2","7","7","6","6","5","5","1") = "6"
    & skf21("2","7","7","6","6","5","6","1") = "6"
    & skf21("2","7","7","6","6","5","7","1") = "6"
    & skf21("2","7","7","6","6","6","1","1") = "6"
    & skf21("2","7","7","6","6","6","2","1") = "6"
    & skf21("2","7","7","6","6","6","3","1") = "6"
    & skf21("2","7","7","6","6","6","4","1") = "6"
    & skf21("2","7","7","6","6","6","5","1") = "6"
    & skf21("2","7","7","6","6","6","6","1") = "6"
    & skf21("2","7","7","6","6","6","7","1") = "6"
    & skf21("2","7","7","6","6","7","1","1") = "6"
    & skf21("2","7","7","6","6","7","2","1") = "6"
    & skf21("2","7","7","6","6","7","3","1") = "6"
    & skf21("2","7","7","6","6","7","4","1") = "6"
    & skf21("2","7","7","6","6","7","5","1") = "6"
    & skf21("2","7","7","6","6","7","6","1") = "6"
    & skf21("2","7","7","6","6","7","7","1") = "6"
    & skf21("2","7","7","6","7","1","1","1") = "6"
    & skf21("2","7","7","6","7","1","2","1") = "6"
    & skf21("2","7","7","6","7","1","3","1") = "6"
    & skf21("2","7","7","6","7","1","4","1") = "6"
    & skf21("2","7","7","6","7","1","5","1") = "6"
    & skf21("2","7","7","6","7","1","6","1") = "6"
    & skf21("2","7","7","6","7","1","7","1") = "6"
    & skf21("2","7","7","6","7","2","1","1") = "6"
    & skf21("2","7","7","6","7","2","2","1") = "6"
    & skf21("2","7","7","6","7","2","3","1") = "6"
    & skf21("2","7","7","6","7","2","4","1") = "6"
    & skf21("2","7","7","6","7","2","5","1") = "6"
    & skf21("2","7","7","6","7","2","6","1") = "6"
    & skf21("2","7","7","6","7","2","7","1") = "6"
    & skf21("2","7","7","6","7","3","1","1") = "6"
    & skf21("2","7","7","6","7","3","2","1") = "6"
    & skf21("2","7","7","6","7","3","3","1") = "6"
    & skf21("2","7","7","6","7","3","4","1") = "6"
    & skf21("2","7","7","6","7","3","5","1") = "6"
    & skf21("2","7","7","6","7","3","6","1") = "6"
    & skf21("2","7","7","6","7","3","7","1") = "6"
    & skf21("2","7","7","6","7","4","1","1") = "6"
    & skf21("2","7","7","6","7","4","2","1") = "6"
    & skf21("2","7","7","6","7","4","3","1") = "6"
    & skf21("2","7","7","6","7","4","4","1") = "6"
    & skf21("2","7","7","6","7","4","5","1") = "6"
    & skf21("2","7","7","6","7","4","6","1") = "6"
    & skf21("2","7","7","6","7","4","7","1") = "6"
    & skf21("2","7","7","6","7","5","1","1") = "6"
    & skf21("2","7","7","6","7","5","2","1") = "6"
    & skf21("2","7","7","6","7","5","3","1") = "6"
    & skf21("2","7","7","6","7","5","4","1") = "6"
    & skf21("2","7","7","6","7","5","5","1") = "6"
    & skf21("2","7","7","6","7","5","6","1") = "6"
    & skf21("2","7","7","6","7","5","7","1") = "6"
    & skf21("2","7","7","6","7","6","1","1") = "6"
    & skf21("2","7","7","6","7","6","2","1") = "6"
    & skf21("2","7","7","6","7","6","3","1") = "6"
    & skf21("2","7","7","6","7","6","4","1") = "6"
    & skf21("2","7","7","6","7","6","5","1") = "6"
    & skf21("2","7","7","6","7","6","6","1") = "6"
    & skf21("2","7","7","6","7","6","7","1") = "6"
    & skf21("2","7","7","6","7","7","1","1") = "6"
    & skf21("2","7","7","6","7","7","2","1") = "6"
    & skf21("2","7","7","6","7","7","3","1") = "6"
    & skf21("2","7","7","6","7","7","4","1") = "6"
    & skf21("2","7","7","6","7","7","5","1") = "6"
    & skf21("2","7","7","6","7","7","6","1") = "6"
    & skf21("2","7","7","6","7","7","7","1") = "6"
    & skf21("2","7","7","7","1","1","1","1") = "6"
    & skf21("2","7","7","7","1","1","2","1") = "6"
    & skf21("2","7","7","7","1","1","3","1") = "6"
    & skf21("2","7","7","7","1","1","4","1") = "6"
    & skf21("2","7","7","7","1","1","5","1") = "6"
    & skf21("2","7","7","7","1","1","6","1") = "6"
    & skf21("2","7","7","7","1","1","7","1") = "6"
    & skf21("2","7","7","7","1","2","1","1") = "6"
    & skf21("2","7","7","7","1","2","2","1") = "6"
    & skf21("2","7","7","7","1","2","3","1") = "6"
    & skf21("2","7","7","7","1","2","4","1") = "6"
    & skf21("2","7","7","7","1","2","5","1") = "6"
    & skf21("2","7","7","7","1","2","6","1") = "6"
    & skf21("2","7","7","7","1","2","7","1") = "6"
    & skf21("2","7","7","7","1","3","1","1") = "6"
    & skf21("2","7","7","7","1","3","2","1") = "6"
    & skf21("2","7","7","7","1","3","3","1") = "6"
    & skf21("2","7","7","7","1","3","4","1") = "6"
    & skf21("2","7","7","7","1","3","5","1") = "6"
    & skf21("2","7","7","7","1","3","6","1") = "6"
    & skf21("2","7","7","7","1","3","7","1") = "6"
    & skf21("2","7","7","7","1","4","1","1") = "6"
    & skf21("2","7","7","7","1","4","2","1") = "6"
    & skf21("2","7","7","7","1","4","3","1") = "6"
    & skf21("2","7","7","7","1","4","4","1") = "6"
    & skf21("2","7","7","7","1","4","5","1") = "6"
    & skf21("2","7","7","7","1","4","6","1") = "6"
    & skf21("2","7","7","7","1","4","7","1") = "6"
    & skf21("2","7","7","7","1","5","1","1") = "6"
    & skf21("2","7","7","7","1","5","2","1") = "6"
    & skf21("2","7","7","7","1","5","3","1") = "6"
    & skf21("2","7","7","7","1","5","4","1") = "6"
    & skf21("2","7","7","7","1","5","5","1") = "6"
    & skf21("2","7","7","7","1","5","6","1") = "6"
    & skf21("2","7","7","7","1","5","7","1") = "6"
    & skf21("2","7","7","7","1","6","1","1") = "6"
    & skf21("2","7","7","7","1","6","2","1") = "6"
    & skf21("2","7","7","7","1","6","3","1") = "6"
    & skf21("2","7","7","7","1","6","4","1") = "6"
    & skf21("2","7","7","7","1","6","5","1") = "6"
    & skf21("2","7","7","7","1","6","6","1") = "6"
    & skf21("2","7","7","7","1","6","7","1") = "6"
    & skf21("2","7","7","7","1","7","1","1") = "6"
    & skf21("2","7","7","7","1","7","2","1") = "6"
    & skf21("2","7","7","7","1","7","3","1") = "6"
    & skf21("2","7","7","7","1","7","4","1") = "6"
    & skf21("2","7","7","7","1","7","5","1") = "6"
    & skf21("2","7","7","7","1","7","6","1") = "6"
    & skf21("2","7","7","7","1","7","7","1") = "6"
    & skf21("2","7","7","7","2","1","1","1") = "6"
    & skf21("2","7","7","7","2","1","2","1") = "6"
    & skf21("2","7","7","7","2","1","3","1") = "6"
    & skf21("2","7","7","7","2","1","4","1") = "6"
    & skf21("2","7","7","7","2","1","5","1") = "6"
    & skf21("2","7","7","7","2","1","6","1") = "6"
    & skf21("2","7","7","7","2","1","7","1") = "6"
    & skf21("2","7","7","7","2","2","1","1") = "6"
    & skf21("2","7","7","7","2","2","2","1") = "6"
    & skf21("2","7","7","7","2","2","3","1") = "6"
    & skf21("2","7","7","7","2","2","4","1") = "6"
    & skf21("2","7","7","7","2","2","5","1") = "6"
    & skf21("2","7","7","7","2","2","6","1") = "6"
    & skf21("2","7","7","7","2","2","7","1") = "6"
    & skf21("2","7","7","7","2","3","1","1") = "6"
    & skf21("2","7","7","7","2","3","2","1") = "6"
    & skf21("2","7","7","7","2","3","3","1") = "6"
    & skf21("2","7","7","7","2","3","4","1") = "6"
    & skf21("2","7","7","7","2","3","5","1") = "6"
    & skf21("2","7","7","7","2","3","6","1") = "6"
    & skf21("2","7","7","7","2","3","7","1") = "6"
    & skf21("2","7","7","7","2","4","1","1") = "6"
    & skf21("2","7","7","7","2","4","2","1") = "6"
    & skf21("2","7","7","7","2","4","3","1") = "6"
    & skf21("2","7","7","7","2","4","4","1") = "6"
    & skf21("2","7","7","7","2","4","5","1") = "6"
    & skf21("2","7","7","7","2","4","6","1") = "6"
    & skf21("2","7","7","7","2","4","7","1") = "6"
    & skf21("2","7","7","7","2","5","1","1") = "6"
    & skf21("2","7","7","7","2","5","2","1") = "6"
    & skf21("2","7","7","7","2","5","3","1") = "6"
    & skf21("2","7","7","7","2","5","4","1") = "6"
    & skf21("2","7","7","7","2","5","5","1") = "6"
    & skf21("2","7","7","7","2","5","6","1") = "6"
    & skf21("2","7","7","7","2","5","7","1") = "6"
    & skf21("2","7","7","7","2","6","1","1") = "6"
    & skf21("2","7","7","7","2","6","2","1") = "6"
    & skf21("2","7","7","7","2","6","3","1") = "6"
    & skf21("2","7","7","7","2","6","4","1") = "6"
    & skf21("2","7","7","7","2","6","5","1") = "6"
    & skf21("2","7","7","7","2","6","6","1") = "6"
    & skf21("2","7","7","7","2","6","7","1") = "6"
    & skf21("2","7","7","7","2","7","1","1") = "6"
    & skf21("2","7","7","7","2","7","2","1") = "6"
    & skf21("2","7","7","7","2","7","3","1") = "6"
    & skf21("2","7","7","7","2","7","4","1") = "6"
    & skf21("2","7","7","7","2","7","5","1") = "6"
    & skf21("2","7","7","7","2","7","6","1") = "6"
    & skf21("2","7","7","7","2","7","7","1") = "6"
    & skf21("2","7","7","7","3","1","1","1") = "6"
    & skf21("2","7","7","7","3","1","2","1") = "6"
    & skf21("2","7","7","7","3","1","3","1") = "6"
    & skf21("2","7","7","7","3","1","4","1") = "6"
    & skf21("2","7","7","7","3","1","5","1") = "6"
    & skf21("2","7","7","7","3","1","6","1") = "6"
    & skf21("2","7","7","7","3","1","7","1") = "6"
    & skf21("2","7","7","7","3","2","1","1") = "6"
    & skf21("2","7","7","7","3","2","2","1") = "6"
    & skf21("2","7","7","7","3","2","3","1") = "6"
    & skf21("2","7","7","7","3","2","4","1") = "6"
    & skf21("2","7","7","7","3","2","5","1") = "6"
    & skf21("2","7","7","7","3","2","6","1") = "6"
    & skf21("2","7","7","7","3","2","7","1") = "6"
    & skf21("2","7","7","7","3","3","1","1") = "6"
    & skf21("2","7","7","7","3","3","2","1") = "6"
    & skf21("2","7","7","7","3","3","3","1") = "6"
    & skf21("2","7","7","7","3","3","4","1") = "6"
    & skf21("2","7","7","7","3","3","5","1") = "6"
    & skf21("2","7","7","7","3","3","6","1") = "6"
    & skf21("2","7","7","7","3","3","7","1") = "6"
    & skf21("2","7","7","7","3","4","1","1") = "6"
    & skf21("2","7","7","7","3","4","2","1") = "6"
    & skf21("2","7","7","7","3","4","3","1") = "6"
    & skf21("2","7","7","7","3","4","4","1") = "6"
    & skf21("2","7","7","7","3","4","5","1") = "6"
    & skf21("2","7","7","7","3","4","6","1") = "6"
    & skf21("2","7","7","7","3","4","7","1") = "6"
    & skf21("2","7","7","7","3","5","1","1") = "6"
    & skf21("2","7","7","7","3","5","2","1") = "6"
    & skf21("2","7","7","7","3","5","3","1") = "6"
    & skf21("2","7","7","7","3","5","4","1") = "6"
    & skf21("2","7","7","7","3","5","5","1") = "6"
    & skf21("2","7","7","7","3","5","6","1") = "6"
    & skf21("2","7","7","7","3","5","7","1") = "6"
    & skf21("2","7","7","7","3","6","1","1") = "6"
    & skf21("2","7","7","7","3","6","2","1") = "6"
    & skf21("2","7","7","7","3","6","3","1") = "6"
    & skf21("2","7","7","7","3","6","4","1") = "6"
    & skf21("2","7","7","7","3","6","5","1") = "6"
    & skf21("2","7","7","7","3","6","6","1") = "6"
    & skf21("2","7","7","7","3","6","7","1") = "6"
    & skf21("2","7","7","7","3","7","1","1") = "6"
    & skf21("2","7","7","7","3","7","2","1") = "6"
    & skf21("2","7","7","7","3","7","3","1") = "6"
    & skf21("2","7","7","7","3","7","4","1") = "6"
    & skf21("2","7","7","7","3","7","5","1") = "6"
    & skf21("2","7","7","7","3","7","6","1") = "6"
    & skf21("2","7","7","7","3","7","7","1") = "6"
    & skf21("2","7","7","7","4","1","1","1") = "6"
    & skf21("2","7","7","7","4","1","2","1") = "6"
    & skf21("2","7","7","7","4","1","3","1") = "6"
    & skf21("2","7","7","7","4","1","4","1") = "6"
    & skf21("2","7","7","7","4","1","5","1") = "6"
    & skf21("2","7","7","7","4","1","6","1") = "6"
    & skf21("2","7","7","7","4","1","7","1") = "6"
    & skf21("2","7","7","7","4","2","1","1") = "6"
    & skf21("2","7","7","7","4","2","2","1") = "6"
    & skf21("2","7","7","7","4","2","3","1") = "6"
    & skf21("2","7","7","7","4","2","4","1") = "6"
    & skf21("2","7","7","7","4","2","5","1") = "6"
    & skf21("2","7","7","7","4","2","6","1") = "6"
    & skf21("2","7","7","7","4","2","7","1") = "6"
    & skf21("2","7","7","7","4","3","1","1") = "6"
    & skf21("2","7","7","7","4","3","2","1") = "6"
    & skf21("2","7","7","7","4","3","3","1") = "6"
    & skf21("2","7","7","7","4","3","4","1") = "6"
    & skf21("2","7","7","7","4","3","5","1") = "6"
    & skf21("2","7","7","7","4","3","6","1") = "6"
    & skf21("2","7","7","7","4","3","7","1") = "6"
    & skf21("2","7","7","7","4","4","1","1") = "6"
    & skf21("2","7","7","7","4","4","2","1") = "6"
    & skf21("2","7","7","7","4","4","3","1") = "6"
    & skf21("2","7","7","7","4","4","4","1") = "6"
    & skf21("2","7","7","7","4","4","5","1") = "6"
    & skf21("2","7","7","7","4","4","6","1") = "6"
    & skf21("2","7","7","7","4","4","7","1") = "6"
    & skf21("2","7","7","7","4","5","1","1") = "6"
    & skf21("2","7","7","7","4","5","2","1") = "6"
    & skf21("2","7","7","7","4","5","3","1") = "6"
    & skf21("2","7","7","7","4","5","4","1") = "6"
    & skf21("2","7","7","7","4","5","5","1") = "6"
    & skf21("2","7","7","7","4","5","6","1") = "6"
    & skf21("2","7","7","7","4","5","7","1") = "6"
    & skf21("2","7","7","7","4","6","1","1") = "6"
    & skf21("2","7","7","7","4","6","2","1") = "6"
    & skf21("2","7","7","7","4","6","3","1") = "6"
    & skf21("2","7","7","7","4","6","4","1") = "6"
    & skf21("2","7","7","7","4","6","5","1") = "6"
    & skf21("2","7","7","7","4","6","6","1") = "6"
    & skf21("2","7","7","7","4","6","7","1") = "6"
    & skf21("2","7","7","7","4","7","1","1") = "6"
    & skf21("2","7","7","7","4","7","2","1") = "6"
    & skf21("2","7","7","7","4","7","3","1") = "6"
    & skf21("2","7","7","7","4","7","4","1") = "6"
    & skf21("2","7","7","7","4","7","5","1") = "6"
    & skf21("2","7","7","7","4","7","6","1") = "6"
    & skf21("2","7","7","7","4","7","7","1") = "6"
    & skf21("2","7","7","7","5","1","1","1") = "6"
    & skf21("2","7","7","7","5","1","2","1") = "6"
    & skf21("2","7","7","7","5","1","3","1") = "6"
    & skf21("2","7","7","7","5","1","4","1") = "6"
    & skf21("2","7","7","7","5","1","5","1") = "6"
    & skf21("2","7","7","7","5","1","6","1") = "6"
    & skf21("2","7","7","7","5","1","7","1") = "6"
    & skf21("2","7","7","7","5","2","1","1") = "6"
    & skf21("2","7","7","7","5","2","2","1") = "6"
    & skf21("2","7","7","7","5","2","3","1") = "6"
    & skf21("2","7","7","7","5","2","4","1") = "6"
    & skf21("2","7","7","7","5","2","5","1") = "6"
    & skf21("2","7","7","7","5","2","6","1") = "6"
    & skf21("2","7","7","7","5","2","7","1") = "6"
    & skf21("2","7","7","7","5","3","1","1") = "6"
    & skf21("2","7","7","7","5","3","2","1") = "6"
    & skf21("2","7","7","7","5","3","3","1") = "6"
    & skf21("2","7","7","7","5","3","4","1") = "6"
    & skf21("2","7","7","7","5","3","5","1") = "6"
    & skf21("2","7","7","7","5","3","6","1") = "6"
    & skf21("2","7","7","7","5","3","7","1") = "6"
    & skf21("2","7","7","7","5","4","1","1") = "6"
    & skf21("2","7","7","7","5","4","2","1") = "6"
    & skf21("2","7","7","7","5","4","3","1") = "6"
    & skf21("2","7","7","7","5","4","4","1") = "6"
    & skf21("2","7","7","7","5","4","5","1") = "6"
    & skf21("2","7","7","7","5","4","6","1") = "6"
    & skf21("2","7","7","7","5","4","7","1") = "6"
    & skf21("2","7","7","7","5","5","1","1") = "6"
    & skf21("2","7","7","7","5","5","2","1") = "6"
    & skf21("2","7","7","7","5","5","3","1") = "6"
    & skf21("2","7","7","7","5","5","4","1") = "6"
    & skf21("2","7","7","7","5","5","5","1") = "6"
    & skf21("2","7","7","7","5","5","6","1") = "6"
    & skf21("2","7","7","7","5","5","7","1") = "6"
    & skf21("2","7","7","7","5","6","1","1") = "6"
    & skf21("2","7","7","7","5","6","2","1") = "6"
    & skf21("2","7","7","7","5","6","3","1") = "6"
    & skf21("2","7","7","7","5","6","4","1") = "6"
    & skf21("2","7","7","7","5","6","5","1") = "6"
    & skf21("2","7","7","7","5","6","6","1") = "6"
    & skf21("2","7","7","7","5","6","7","1") = "6"
    & skf21("2","7","7","7","5","7","1","1") = "6"
    & skf21("2","7","7","7","5","7","2","1") = "6"
    & skf21("2","7","7","7","5","7","3","1") = "6"
    & skf21("2","7","7","7","5","7","4","1") = "6"
    & skf21("2","7","7","7","5","7","5","1") = "6"
    & skf21("2","7","7","7","5","7","6","1") = "6"
    & skf21("2","7","7","7","5","7","7","1") = "6"
    & skf21("2","7","7","7","6","1","1","1") = "6"
    & skf21("2","7","7","7","6","1","2","1") = "6"
    & skf21("2","7","7","7","6","1","3","1") = "6"
    & skf21("2","7","7","7","6","1","4","1") = "6"
    & skf21("2","7","7","7","6","1","5","1") = "6"
    & skf21("2","7","7","7","6","1","6","1") = "6"
    & skf21("2","7","7","7","6","1","7","1") = "6"
    & skf21("2","7","7","7","6","2","1","1") = "6"
    & skf21("2","7","7","7","6","2","2","1") = "6"
    & skf21("2","7","7","7","6","2","3","1") = "6"
    & skf21("2","7","7","7","6","2","4","1") = "6"
    & skf21("2","7","7","7","6","2","5","1") = "6"
    & skf21("2","7","7","7","6","2","6","1") = "6"
    & skf21("2","7","7","7","6","2","7","1") = "6"
    & skf21("2","7","7","7","6","3","1","1") = "6"
    & skf21("2","7","7","7","6","3","2","1") = "6"
    & skf21("2","7","7","7","6","3","3","1") = "6"
    & skf21("2","7","7","7","6","3","4","1") = "6"
    & skf21("2","7","7","7","6","3","5","1") = "6"
    & skf21("2","7","7","7","6","3","6","1") = "6"
    & skf21("2","7","7","7","6","3","7","1") = "6"
    & skf21("2","7","7","7","6","4","1","1") = "6"
    & skf21("2","7","7","7","6","4","2","1") = "6"
    & skf21("2","7","7","7","6","4","3","1") = "6"
    & skf21("2","7","7","7","6","4","4","1") = "6"
    & skf21("2","7","7","7","6","4","5","1") = "6"
    & skf21("2","7","7","7","6","4","6","1") = "6"
    & skf21("2","7","7","7","6","4","7","1") = "6"
    & skf21("2","7","7","7","6","5","1","1") = "6"
    & skf21("2","7","7","7","6","5","2","1") = "6"
    & skf21("2","7","7","7","6","5","3","1") = "6"
    & skf21("2","7","7","7","6","5","4","1") = "6"
    & skf21("2","7","7","7","6","5","5","1") = "6"
    & skf21("2","7","7","7","6","5","6","1") = "6"
    & skf21("2","7","7","7","6","5","7","1") = "6"
    & skf21("2","7","7","7","6","6","1","1") = "6"
    & skf21("2","7","7","7","6","6","2","1") = "6"
    & skf21("2","7","7","7","6","6","3","1") = "6"
    & skf21("2","7","7","7","6","6","4","1") = "6"
    & skf21("2","7","7","7","6","6","5","1") = "6"
    & skf21("2","7","7","7","6","6","6","1") = "6"
    & skf21("2","7","7","7","6","6","7","1") = "6"
    & skf21("2","7","7","7","6","7","1","1") = "6"
    & skf21("2","7","7","7","6","7","2","1") = "6"
    & skf21("2","7","7","7","6","7","3","1") = "6"
    & skf21("2","7","7","7","6","7","4","1") = "6"
    & skf21("2","7","7","7","6","7","5","1") = "6"
    & skf21("2","7","7","7","6","7","6","1") = "6"
    & skf21("2","7","7","7","6","7","7","1") = "6"
    & skf21("2","7","7","7","7","1","1","1") = "6"
    & skf21("2","7","7","7","7","1","2","1") = "6"
    & skf21("2","7","7","7","7","1","3","1") = "6"
    & skf21("2","7","7","7","7","1","4","1") = "6"
    & skf21("2","7","7","7","7","1","5","1") = "6"
    & skf21("2","7","7","7","7","1","6","1") = "6"
    & skf21("2","7","7","7","7","1","7","1") = "6"
    & skf21("2","7","7","7","7","2","1","1") = "6"
    & skf21("2","7","7","7","7","2","2","1") = "6"
    & skf21("2","7","7","7","7","2","3","1") = "6"
    & skf21("2","7","7","7","7","2","4","1") = "6"
    & skf21("2","7","7","7","7","2","5","1") = "6"
    & skf21("2","7","7","7","7","2","6","1") = "6"
    & skf21("2","7","7","7","7","2","7","1") = "6"
    & skf21("2","7","7","7","7","3","1","1") = "6"
    & skf21("2","7","7","7","7","3","2","1") = "6"
    & skf21("2","7","7","7","7","3","3","1") = "6"
    & skf21("2","7","7","7","7","3","4","1") = "6"
    & skf21("2","7","7","7","7","3","5","1") = "6"
    & skf21("2","7","7","7","7","3","6","1") = "6"
    & skf21("2","7","7","7","7","3","7","1") = "6"
    & skf21("2","7","7","7","7","4","1","1") = "6"
    & skf21("2","7","7","7","7","4","2","1") = "6"
    & skf21("2","7","7","7","7","4","3","1") = "6"
    & skf21("2","7","7","7","7","4","4","1") = "6"
    & skf21("2","7","7","7","7","4","5","1") = "6"
    & skf21("2","7","7","7","7","4","6","1") = "6"
    & skf21("2","7","7","7","7","4","7","1") = "6"
    & skf21("2","7","7","7","7","5","1","1") = "6"
    & skf21("2","7","7","7","7","5","2","1") = "6"
    & skf21("2","7","7","7","7","5","3","1") = "6"
    & skf21("2","7","7","7","7","5","4","1") = "6"
    & skf21("2","7","7","7","7","5","5","1") = "6"
    & skf21("2","7","7","7","7","5","6","1") = "6"
    & skf21("2","7","7","7","7","5","7","1") = "6"
    & skf21("2","7","7","7","7","6","1","1") = "6"
    & skf21("2","7","7","7","7","6","2","1") = "6"
    & skf21("2","7","7","7","7","6","3","1") = "6"
    & skf21("2","7","7","7","7","6","4","1") = "6"
    & skf21("2","7","7","7","7","6","5","1") = "6"
    & skf21("2","7","7","7","7","6","6","1") = "6"
    & skf21("2","7","7","7","7","6","7","1") = "6"
    & skf21("2","7","7","7","7","7","1","1") = "6"
    & skf21("2","7","7","7","7","7","2","1") = "6"
    & skf21("2","7","7","7","7","7","3","1") = "6"
    & skf21("2","7","7","7","7","7","4","1") = "6"
    & skf21("2","7","7","7","7","7","5","1") = "6"
    & skf21("2","7","7","7","7","7","6","1") = "6"
    & skf21("2","7","7","7","7","7","7","1") = "6"
    & skf21("3","1","1","1","1","1","1","1") = "2"
    & skf21("3","1","1","1","1","1","2","1") = "2"
    & skf21("3","1","1","1","1","1","3","1") = "2"
    & skf21("3","1","1","1","1","1","4","1") = "3"
    & skf21("3","1","1","1","1","1","5","1") = "4"
    & skf21("3","1","1","1","1","1","6","1") = "5"
    & skf21("3","1","1","1","1","1","7","1") = "6"
    & skf21("3","1","1","1","1","2","1","1") = "2"
    & skf21("3","1","1","1","1","2","2","1") = "2"
    & skf21("3","1","1","1","1","2","3","1") = "2"
    & skf21("3","1","1","1","1","2","4","1") = "3"
    & skf21("3","1","1","1","1","2","5","1") = "4"
    & skf21("3","1","1","1","1","2","6","1") = "5"
    & skf21("3","1","1","1","1","2","7","1") = "6"
    & skf21("3","1","1","1","1","3","1","1") = "2"
    & skf21("3","1","1","1","1","3","2","1") = "2"
    & skf21("3","1","1","1","1","3","3","1") = "2"
    & skf21("3","1","1","1","1","3","4","1") = "3"
    & skf21("3","1","1","1","1","3","5","1") = "4"
    & skf21("3","1","1","1","1","3","6","1") = "5"
    & skf21("3","1","1","1","1","3","7","1") = "6"
    & skf21("3","1","1","1","1","4","1","1") = "3"
    & skf21("3","1","1","1","1","4","2","1") = "3"
    & skf21("3","1","1","1","1","4","3","1") = "3"
    & skf21("3","1","1","1","1","4","4","1") = "3"
    & skf21("3","1","1","1","1","4","5","1") = "4"
    & skf21("3","1","1","1","1","4","6","1") = "5"
    & skf21("3","1","1","1","1","4","7","1") = "6"
    & skf21("3","1","1","1","1","5","1","1") = "4"
    & skf21("3","1","1","1","1","5","2","1") = "4"
    & skf21("3","1","1","1","1","5","3","1") = "4"
    & skf21("3","1","1","1","1","5","4","1") = "4"
    & skf21("3","1","1","1","1","5","5","1") = "4"
    & skf21("3","1","1","1","1","5","6","1") = "5"
    & skf21("3","1","1","1","1","5","7","1") = "6"
    & skf21("3","1","1","1","1","6","1","1") = "5"
    & skf21("3","1","1","1","1","6","2","1") = "5"
    & skf21("3","1","1","1","1","6","3","1") = "5"
    & skf21("3","1","1","1","1","6","4","1") = "5"
    & skf21("3","1","1","1","1","6","5","1") = "5"
    & skf21("3","1","1","1","1","6","6","1") = "5"
    & skf21("3","1","1","1","1","6","7","1") = "6"
    & skf21("3","1","1","1","1","7","1","1") = "6"
    & skf21("3","1","1","1","1","7","2","1") = "6"
    & skf21("3","1","1","1","1","7","3","1") = "6"
    & skf21("3","1","1","1","1","7","4","1") = "6"
    & skf21("3","1","1","1","1","7","5","1") = "6"
    & skf21("3","1","1","1","1","7","6","1") = "6"
    & skf21("3","1","1","1","1","7","7","1") = "6"
    & skf21("3","1","1","1","2","1","1","1") = "2"
    & skf21("3","1","1","1","2","1","2","1") = "2"
    & skf21("3","1","1","1","2","1","3","1") = "2"
    & skf21("3","1","1","1","2","1","4","1") = "3"
    & skf21("3","1","1","1","2","1","5","1") = "4"
    & skf21("3","1","1","1","2","1","6","1") = "5"
    & skf21("3","1","1","1","2","1","7","1") = "6"
    & skf21("3","1","1","1","2","2","1","1") = "2"
    & skf21("3","1","1","1","2","2","2","1") = "2"
    & skf21("3","1","1","1","2","2","3","1") = "2"
    & skf21("3","1","1","1","2","2","4","1") = "3"
    & skf21("3","1","1","1","2","2","5","1") = "4"
    & skf21("3","1","1","1","2","2","6","1") = "5"
    & skf21("3","1","1","1","2","2","7","1") = "6"
    & skf21("3","1","1","1","2","3","1","1") = "2"
    & skf21("3","1","1","1","2","3","2","1") = "2"
    & skf21("3","1","1","1","2","3","3","1") = "2"
    & skf21("3","1","1","1","2","3","4","1") = "3"
    & skf21("3","1","1","1","2","3","5","1") = "4"
    & skf21("3","1","1","1","2","3","6","1") = "5"
    & skf21("3","1","1","1","2","3","7","1") = "6"
    & skf21("3","1","1","1","2","4","1","1") = "3"
    & skf21("3","1","1","1","2","4","2","1") = "3"
    & skf21("3","1","1","1","2","4","3","1") = "3"
    & skf21("3","1","1","1","2","4","4","1") = "3"
    & skf21("3","1","1","1","2","4","5","1") = "4"
    & skf21("3","1","1","1","2","4","6","1") = "5"
    & skf21("3","1","1","1","2","4","7","1") = "6"
    & skf21("3","1","1","1","2","5","1","1") = "4"
    & skf21("3","1","1","1","2","5","2","1") = "4"
    & skf21("3","1","1","1","2","5","3","1") = "4"
    & skf21("3","1","1","1","2","5","4","1") = "4"
    & skf21("3","1","1","1","2","5","5","1") = "4"
    & skf21("3","1","1","1","2","5","6","1") = "5"
    & skf21("3","1","1","1","2","5","7","1") = "6"
    & skf21("3","1","1","1","2","6","1","1") = "5"
    & skf21("3","1","1","1","2","6","2","1") = "5"
    & skf21("3","1","1","1","2","6","3","1") = "5"
    & skf21("3","1","1","1","2","6","4","1") = "5"
    & skf21("3","1","1","1","2","6","5","1") = "5"
    & skf21("3","1","1","1","2","6","6","1") = "5"
    & skf21("3","1","1","1","2","6","7","1") = "6"
    & skf21("3","1","1","1","2","7","1","1") = "6"
    & skf21("3","1","1","1","2","7","2","1") = "6"
    & skf21("3","1","1","1","2","7","3","1") = "6"
    & skf21("3","1","1","1","2","7","4","1") = "6"
    & skf21("3","1","1","1","2","7","5","1") = "6"
    & skf21("3","1","1","1","2","7","6","1") = "6"
    & skf21("3","1","1","1","2","7","7","1") = "6"
    & skf21("3","1","1","1","3","1","1","1") = "2"
    & skf21("3","1","1","1","3","1","2","1") = "2"
    & skf21("3","1","1","1","3","1","3","1") = "2"
    & skf21("3","1","1","1","3","1","4","1") = "3"
    & skf21("3","1","1","1","3","1","5","1") = "4"
    & skf21("3","1","1","1","3","1","6","1") = "5"
    & skf21("3","1","1","1","3","1","7","1") = "6"
    & skf21("3","1","1","1","3","2","1","1") = "2"
    & skf21("3","1","1","1","3","2","2","1") = "2"
    & skf21("3","1","1","1","3","2","3","1") = "2"
    & skf21("3","1","1","1","3","2","4","1") = "3"
    & skf21("3","1","1","1","3","2","5","1") = "4"
    & skf21("3","1","1","1","3","2","6","1") = "5"
    & skf21("3","1","1","1","3","2","7","1") = "6"
    & skf21("3","1","1","1","3","3","1","1") = "2"
    & skf21("3","1","1","1","3","3","2","1") = "2"
    & skf21("3","1","1","1","3","3","3","1") = "2"
    & skf21("3","1","1","1","3","3","4","1") = "3"
    & skf21("3","1","1","1","3","3","5","1") = "4"
    & skf21("3","1","1","1","3","3","6","1") = "5"
    & skf21("3","1","1","1","3","3","7","1") = "6"
    & skf21("3","1","1","1","3","4","1","1") = "3"
    & skf21("3","1","1","1","3","4","2","1") = "3"
    & skf21("3","1","1","1","3","4","3","1") = "3"
    & skf21("3","1","1","1","3","4","4","1") = "3"
    & skf21("3","1","1","1","3","4","5","1") = "4"
    & skf21("3","1","1","1","3","4","6","1") = "5"
    & skf21("3","1","1","1","3","4","7","1") = "6"
    & skf21("3","1","1","1","3","5","1","1") = "4"
    & skf21("3","1","1","1","3","5","2","1") = "4"
    & skf21("3","1","1","1","3","5","3","1") = "4"
    & skf21("3","1","1","1","3","5","4","1") = "4"
    & skf21("3","1","1","1","3","5","5","1") = "4"
    & skf21("3","1","1","1","3","5","6","1") = "5"
    & skf21("3","1","1","1","3","5","7","1") = "6"
    & skf21("3","1","1","1","3","6","1","1") = "5"
    & skf21("3","1","1","1","3","6","2","1") = "5"
    & skf21("3","1","1","1","3","6","3","1") = "5"
    & skf21("3","1","1","1","3","6","4","1") = "5"
    & skf21("3","1","1","1","3","6","5","1") = "5"
    & skf21("3","1","1","1","3","6","6","1") = "5"
    & skf21("3","1","1","1","3","6","7","1") = "6"
    & skf21("3","1","1","1","3","7","1","1") = "6"
    & skf21("3","1","1","1","3","7","2","1") = "6"
    & skf21("3","1","1","1","3","7","3","1") = "6"
    & skf21("3","1","1","1","3","7","4","1") = "6"
    & skf21("3","1","1","1","3","7","5","1") = "6"
    & skf21("3","1","1","1","3","7","6","1") = "6"
    & skf21("3","1","1","1","3","7","7","1") = "6"
    & skf21("3","1","1","1","4","1","1","1") = "3"
    & skf21("3","1","1","1","4","1","2","1") = "3"
    & skf21("3","1","1","1","4","1","3","1") = "3"
    & skf21("3","1","1","1","4","1","4","1") = "3"
    & skf21("3","1","1","1","4","1","5","1") = "4"
    & skf21("3","1","1","1","4","1","6","1") = "5"
    & skf21("3","1","1","1","4","1","7","1") = "6"
    & skf21("3","1","1","1","4","2","1","1") = "3"
    & skf21("3","1","1","1","4","2","2","1") = "3"
    & skf21("3","1","1","1","4","2","3","1") = "3"
    & skf21("3","1","1","1","4","2","4","1") = "3"
    & skf21("3","1","1","1","4","2","5","1") = "4"
    & skf21("3","1","1","1","4","2","6","1") = "5"
    & skf21("3","1","1","1","4","2","7","1") = "6"
    & skf21("3","1","1","1","4","3","1","1") = "3"
    & skf21("3","1","1","1","4","3","2","1") = "3"
    & skf21("3","1","1","1","4","3","3","1") = "3"
    & skf21("3","1","1","1","4","3","4","1") = "3"
    & skf21("3","1","1","1","4","3","5","1") = "4"
    & skf21("3","1","1","1","4","3","6","1") = "5"
    & skf21("3","1","1","1","4","3","7","1") = "6"
    & skf21("3","1","1","1","4","4","1","1") = "3"
    & skf21("3","1","1","1","4","4","2","1") = "3"
    & skf21("3","1","1","1","4","4","3","1") = "3"
    & skf21("3","1","1","1","4","4","4","1") = "3"
    & skf21("3","1","1","1","4","4","5","1") = "4"
    & skf21("3","1","1","1","4","4","6","1") = "5"
    & skf21("3","1","1","1","4","4","7","1") = "6"
    & skf21("3","1","1","1","4","5","1","1") = "4"
    & skf21("3","1","1","1","4","5","2","1") = "4"
    & skf21("3","1","1","1","4","5","3","1") = "4"
    & skf21("3","1","1","1","4","5","4","1") = "4"
    & skf21("3","1","1","1","4","5","5","1") = "4"
    & skf21("3","1","1","1","4","5","6","1") = "5"
    & skf21("3","1","1","1","4","5","7","1") = "6"
    & skf21("3","1","1","1","4","6","1","1") = "5"
    & skf21("3","1","1","1","4","6","2","1") = "5"
    & skf21("3","1","1","1","4","6","3","1") = "5"
    & skf21("3","1","1","1","4","6","4","1") = "5"
    & skf21("3","1","1","1","4","6","5","1") = "5"
    & skf21("3","1","1","1","4","6","6","1") = "5"
    & skf21("3","1","1","1","4","6","7","1") = "6"
    & skf21("3","1","1","1","4","7","1","1") = "6"
    & skf21("3","1","1","1","4","7","2","1") = "6"
    & skf21("3","1","1","1","4","7","3","1") = "6"
    & skf21("3","1","1","1","4","7","4","1") = "6"
    & skf21("3","1","1","1","4","7","5","1") = "6"
    & skf21("3","1","1","1","4","7","6","1") = "6"
    & skf21("3","1","1","1","4","7","7","1") = "6"
    & skf21("3","1","1","1","5","1","1","1") = "4"
    & skf21("3","1","1","1","5","1","2","1") = "4"
    & skf21("3","1","1","1","5","1","3","1") = "4"
    & skf21("3","1","1","1","5","1","4","1") = "4"
    & skf21("3","1","1","1","5","1","5","1") = "4"
    & skf21("3","1","1","1","5","1","6","1") = "5"
    & skf21("3","1","1","1","5","1","7","1") = "6"
    & skf21("3","1","1","1","5","2","1","1") = "4"
    & skf21("3","1","1","1","5","2","2","1") = "4"
    & skf21("3","1","1","1","5","2","3","1") = "4"
    & skf21("3","1","1","1","5","2","4","1") = "4"
    & skf21("3","1","1","1","5","2","5","1") = "4"
    & skf21("3","1","1","1","5","2","6","1") = "5"
    & skf21("3","1","1","1","5","2","7","1") = "6"
    & skf21("3","1","1","1","5","3","1","1") = "4"
    & skf21("3","1","1","1","5","3","2","1") = "4"
    & skf21("3","1","1","1","5","3","3","1") = "4"
    & skf21("3","1","1","1","5","3","4","1") = "4"
    & skf21("3","1","1","1","5","3","5","1") = "4"
    & skf21("3","1","1","1","5","3","6","1") = "5"
    & skf21("3","1","1","1","5","3","7","1") = "6"
    & skf21("3","1","1","1","5","4","1","1") = "4"
    & skf21("3","1","1","1","5","4","2","1") = "4"
    & skf21("3","1","1","1","5","4","3","1") = "4"
    & skf21("3","1","1","1","5","4","4","1") = "4"
    & skf21("3","1","1","1","5","4","5","1") = "4"
    & skf21("3","1","1","1","5","4","6","1") = "5"
    & skf21("3","1","1","1","5","4","7","1") = "6"
    & skf21("3","1","1","1","5","5","1","1") = "4"
    & skf21("3","1","1","1","5","5","2","1") = "4"
    & skf21("3","1","1","1","5","5","3","1") = "4"
    & skf21("3","1","1","1","5","5","4","1") = "4"
    & skf21("3","1","1","1","5","5","5","1") = "4"
    & skf21("3","1","1","1","5","5","6","1") = "5"
    & skf21("3","1","1","1","5","5","7","1") = "6"
    & skf21("3","1","1","1","5","6","1","1") = "5"
    & skf21("3","1","1","1","5","6","2","1") = "5"
    & skf21("3","1","1","1","5","6","3","1") = "5"
    & skf21("3","1","1","1","5","6","4","1") = "5"
    & skf21("3","1","1","1","5","6","5","1") = "5"
    & skf21("3","1","1","1","5","6","6","1") = "5"
    & skf21("3","1","1","1","5","6","7","1") = "6"
    & skf21("3","1","1","1","5","7","1","1") = "6"
    & skf21("3","1","1","1","5","7","2","1") = "6"
    & skf21("3","1","1","1","5","7","3","1") = "6"
    & skf21("3","1","1","1","5","7","4","1") = "6"
    & skf21("3","1","1","1","5","7","5","1") = "6"
    & skf21("3","1","1","1","5","7","6","1") = "6"
    & skf21("3","1","1","1","5","7","7","1") = "6"
    & skf21("3","1","1","1","6","1","1","1") = "5"
    & skf21("3","1","1","1","6","1","2","1") = "5"
    & skf21("3","1","1","1","6","1","3","1") = "5"
    & skf21("3","1","1","1","6","1","4","1") = "5"
    & skf21("3","1","1","1","6","1","5","1") = "5"
    & skf21("3","1","1","1","6","1","6","1") = "5"
    & skf21("3","1","1","1","6","1","7","1") = "6"
    & skf21("3","1","1","1","6","2","1","1") = "5"
    & skf21("3","1","1","1","6","2","2","1") = "5"
    & skf21("3","1","1","1","6","2","3","1") = "5"
    & skf21("3","1","1","1","6","2","4","1") = "5"
    & skf21("3","1","1","1","6","2","5","1") = "5"
    & skf21("3","1","1","1","6","2","6","1") = "5"
    & skf21("3","1","1","1","6","2","7","1") = "6"
    & skf21("3","1","1","1","6","3","1","1") = "5"
    & skf21("3","1","1","1","6","3","2","1") = "5"
    & skf21("3","1","1","1","6","3","3","1") = "5"
    & skf21("3","1","1","1","6","3","4","1") = "5"
    & skf21("3","1","1","1","6","3","5","1") = "5"
    & skf21("3","1","1","1","6","3","6","1") = "5"
    & skf21("3","1","1","1","6","3","7","1") = "6"
    & skf21("3","1","1","1","6","4","1","1") = "5"
    & skf21("3","1","1","1","6","4","2","1") = "5"
    & skf21("3","1","1","1","6","4","3","1") = "5"
    & skf21("3","1","1","1","6","4","4","1") = "5"
    & skf21("3","1","1","1","6","4","5","1") = "5"
    & skf21("3","1","1","1","6","4","6","1") = "5"
    & skf21("3","1","1","1","6","4","7","1") = "6"
    & skf21("3","1","1","1","6","5","1","1") = "5"
    & skf21("3","1","1","1","6","5","2","1") = "5"
    & skf21("3","1","1","1","6","5","3","1") = "5"
    & skf21("3","1","1","1","6","5","4","1") = "5"
    & skf21("3","1","1","1","6","5","5","1") = "5"
    & skf21("3","1","1","1","6","5","6","1") = "5"
    & skf21("3","1","1","1","6","5","7","1") = "6"
    & skf21("3","1","1","1","6","6","1","1") = "5"
    & skf21("3","1","1","1","6","6","2","1") = "5"
    & skf21("3","1","1","1","6","6","3","1") = "5"
    & skf21("3","1","1","1","6","6","4","1") = "5"
    & skf21("3","1","1","1","6","6","5","1") = "5"
    & skf21("3","1","1","1","6","6","6","1") = "5"
    & skf21("3","1","1","1","6","6","7","1") = "6"
    & skf21("3","1","1","1","6","7","1","1") = "6"
    & skf21("3","1","1","1","6","7","2","1") = "6"
    & skf21("3","1","1","1","6","7","3","1") = "6"
    & skf21("3","1","1","1","6","7","4","1") = "6"
    & skf21("3","1","1","1","6","7","5","1") = "6"
    & skf21("3","1","1","1","6","7","6","1") = "6"
    & skf21("3","1","1","1","6","7","7","1") = "6"
    & skf21("3","1","1","1","7","1","1","1") = "6"
    & skf21("3","1","1","1","7","1","2","1") = "6"
    & skf21("3","1","1","1","7","1","3","1") = "6"
    & skf21("3","1","1","1","7","1","4","1") = "6"
    & skf21("3","1","1","1","7","1","5","1") = "6"
    & skf21("3","1","1","1","7","1","6","1") = "6"
    & skf21("3","1","1","1","7","1","7","1") = "6"
    & skf21("3","1","1","1","7","2","1","1") = "6"
    & skf21("3","1","1","1","7","2","2","1") = "6"
    & skf21("3","1","1","1","7","2","3","1") = "6"
    & skf21("3","1","1","1","7","2","4","1") = "6"
    & skf21("3","1","1","1","7","2","5","1") = "6"
    & skf21("3","1","1","1","7","2","6","1") = "6"
    & skf21("3","1","1","1","7","2","7","1") = "6"
    & skf21("3","1","1","1","7","3","1","1") = "6"
    & skf21("3","1","1","1","7","3","2","1") = "6"
    & skf21("3","1","1","1","7","3","3","1") = "6"
    & skf21("3","1","1","1","7","3","4","1") = "6"
    & skf21("3","1","1","1","7","3","5","1") = "6"
    & skf21("3","1","1","1","7","3","6","1") = "6"
    & skf21("3","1","1","1","7","3","7","1") = "6"
    & skf21("3","1","1","1","7","4","1","1") = "6"
    & skf21("3","1","1","1","7","4","2","1") = "6"
    & skf21("3","1","1","1","7","4","3","1") = "6"
    & skf21("3","1","1","1","7","4","4","1") = "6"
    & skf21("3","1","1","1","7","4","5","1") = "6"
    & skf21("3","1","1","1","7","4","6","1") = "6"
    & skf21("3","1","1","1","7","4","7","1") = "6"
    & skf21("3","1","1","1","7","5","1","1") = "6"
    & skf21("3","1","1","1","7","5","2","1") = "6"
    & skf21("3","1","1","1","7","5","3","1") = "6"
    & skf21("3","1","1","1","7","5","4","1") = "6"
    & skf21("3","1","1","1","7","5","5","1") = "6"
    & skf21("3","1","1","1","7","5","6","1") = "6"
    & skf21("3","1","1","1","7","5","7","1") = "6"
    & skf21("3","1","1","1","7","6","1","1") = "6"
    & skf21("3","1","1","1","7","6","2","1") = "6"
    & skf21("3","1","1","1","7","6","3","1") = "6"
    & skf21("3","1","1","1","7","6","4","1") = "6"
    & skf21("3","1","1","1","7","6","5","1") = "6"
    & skf21("3","1","1","1","7","6","6","1") = "6"
    & skf21("3","1","1","1","7","6","7","1") = "6"
    & skf21("3","1","1","1","7","7","1","1") = "6"
    & skf21("3","1","1","1","7","7","2","1") = "6"
    & skf21("3","1","1","1","7","7","3","1") = "6"
    & skf21("3","1","1","1","7","7","4","1") = "6"
    & skf21("3","1","1","1","7","7","5","1") = "6"
    & skf21("3","1","1","1","7","7","6","1") = "6"
    & skf21("3","1","1","1","7","7","7","1") = "6"
    & skf21("3","1","1","2","1","1","1","1") = "2"
    & skf21("3","1","1","2","1","1","2","1") = "2"
    & skf21("3","1","1","2","1","1","3","1") = "2"
    & skf21("3","1","1","2","1","1","4","1") = "3"
    & skf21("3","1","1","2","1","1","5","1") = "4"
    & skf21("3","1","1","2","1","1","6","1") = "5"
    & skf21("3","1","1","2","1","1","7","1") = "6"
    & skf21("3","1","1","2","1","2","1","1") = "2"
    & skf21("3","1","1","2","1","2","2","1") = "2"
    & skf21("3","1","1","2","1","2","3","1") = "2"
    & skf21("3","1","1","2","1","2","4","1") = "3"
    & skf21("3","1","1","2","1","2","5","1") = "4"
    & skf21("3","1","1","2","1","2","6","1") = "5"
    & skf21("3","1","1","2","1","2","7","1") = "6"
    & skf21("3","1","1","2","1","3","1","1") = "2"
    & skf21("3","1","1","2","1","3","2","1") = "2"
    & skf21("3","1","1","2","1","3","3","1") = "2"
    & skf21("3","1","1","2","1","3","4","1") = "3"
    & skf21("3","1","1","2","1","3","5","1") = "4"
    & skf21("3","1","1","2","1","3","6","1") = "5"
    & skf21("3","1","1","2","1","3","7","1") = "6"
    & skf21("3","1","1","2","1","4","1","1") = "3"
    & skf21("3","1","1","2","1","4","2","1") = "3"
    & skf21("3","1","1","2","1","4","3","1") = "3"
    & skf21("3","1","1","2","1","4","4","1") = "3"
    & skf21("3","1","1","2","1","4","5","1") = "4"
    & skf21("3","1","1","2","1","4","6","1") = "5"
    & skf21("3","1","1","2","1","4","7","1") = "6"
    & skf21("3","1","1","2","1","5","1","1") = "4"
    & skf21("3","1","1","2","1","5","2","1") = "4"
    & skf21("3","1","1","2","1","5","3","1") = "4"
    & skf21("3","1","1","2","1","5","4","1") = "4"
    & skf21("3","1","1","2","1","5","5","1") = "4"
    & skf21("3","1","1","2","1","5","6","1") = "5"
    & skf21("3","1","1","2","1","5","7","1") = "6"
    & skf21("3","1","1","2","1","6","1","1") = "5"
    & skf21("3","1","1","2","1","6","2","1") = "5"
    & skf21("3","1","1","2","1","6","3","1") = "5"
    & skf21("3","1","1","2","1","6","4","1") = "5"
    & skf21("3","1","1","2","1","6","5","1") = "5"
    & skf21("3","1","1","2","1","6","6","1") = "5"
    & skf21("3","1","1","2","1","6","7","1") = "6"
    & skf21("3","1","1","2","1","7","1","1") = "6"
    & skf21("3","1","1","2","1","7","2","1") = "6"
    & skf21("3","1","1","2","1","7","3","1") = "6"
    & skf21("3","1","1","2","1","7","4","1") = "6"
    & skf21("3","1","1","2","1","7","5","1") = "6"
    & skf21("3","1","1","2","1","7","6","1") = "6"
    & skf21("3","1","1","2","1","7","7","1") = "6"
    & skf21("3","1","1","2","2","1","1","1") = "2"
    & skf21("3","1","1","2","2","1","2","1") = "2"
    & skf21("3","1","1","2","2","1","3","1") = "2"
    & skf21("3","1","1","2","2","1","4","1") = "3"
    & skf21("3","1","1","2","2","1","5","1") = "4"
    & skf21("3","1","1","2","2","1","6","1") = "5"
    & skf21("3","1","1","2","2","1","7","1") = "6"
    & skf21("3","1","1","2","2","2","1","1") = "2"
    & skf21("3","1","1","2","2","2","2","1") = "2"
    & skf21("3","1","1","2","2","2","3","1") = "2"
    & skf21("3","1","1","2","2","2","4","1") = "3"
    & skf21("3","1","1","2","2","2","5","1") = "4"
    & skf21("3","1","1","2","2","2","6","1") = "5"
    & skf21("3","1","1","2","2","2","7","1") = "6"
    & skf21("3","1","1","2","2","3","1","1") = "2"
    & skf21("3","1","1","2","2","3","2","1") = "2"
    & skf21("3","1","1","2","2","3","3","1") = "2"
    & skf21("3","1","1","2","2","3","4","1") = "3"
    & skf21("3","1","1","2","2","3","5","1") = "4"
    & skf21("3","1","1","2","2","3","6","1") = "5"
    & skf21("3","1","1","2","2","3","7","1") = "6"
    & skf21("3","1","1","2","2","4","1","1") = "3"
    & skf21("3","1","1","2","2","4","2","1") = "3"
    & skf21("3","1","1","2","2","4","3","1") = "3"
    & skf21("3","1","1","2","2","4","4","1") = "3"
    & skf21("3","1","1","2","2","4","5","1") = "4"
    & skf21("3","1","1","2","2","4","6","1") = "5"
    & skf21("3","1","1","2","2","4","7","1") = "6"
    & skf21("3","1","1","2","2","5","1","1") = "4"
    & skf21("3","1","1","2","2","5","2","1") = "4"
    & skf21("3","1","1","2","2","5","3","1") = "4"
    & skf21("3","1","1","2","2","5","4","1") = "4"
    & skf21("3","1","1","2","2","5","5","1") = "4"
    & skf21("3","1","1","2","2","5","6","1") = "5"
    & skf21("3","1","1","2","2","5","7","1") = "6"
    & skf21("3","1","1","2","2","6","1","1") = "5"
    & skf21("3","1","1","2","2","6","2","1") = "5"
    & skf21("3","1","1","2","2","6","3","1") = "5"
    & skf21("3","1","1","2","2","6","4","1") = "5"
    & skf21("3","1","1","2","2","6","5","1") = "5"
    & skf21("3","1","1","2","2","6","6","1") = "5"
    & skf21("3","1","1","2","2","6","7","1") = "6"
    & skf21("3","1","1","2","2","7","1","1") = "6"
    & skf21("3","1","1","2","2","7","2","1") = "6"
    & skf21("3","1","1","2","2","7","3","1") = "6"
    & skf21("3","1","1","2","2","7","4","1") = "6"
    & skf21("3","1","1","2","2","7","5","1") = "6"
    & skf21("3","1","1","2","2","7","6","1") = "6"
    & skf21("3","1","1","2","2","7","7","1") = "6"
    & skf21("3","1","1","2","3","1","1","1") = "2"
    & skf21("3","1","1","2","3","1","2","1") = "2"
    & skf21("3","1","1","2","3","1","3","1") = "2"
    & skf21("3","1","1","2","3","1","4","1") = "3"
    & skf21("3","1","1","2","3","1","5","1") = "4"
    & skf21("3","1","1","2","3","1","6","1") = "5"
    & skf21("3","1","1","2","3","1","7","1") = "6"
    & skf21("3","1","1","2","3","2","1","1") = "2"
    & skf21("3","1","1","2","3","2","2","1") = "2"
    & skf21("3","1","1","2","3","2","3","1") = "2"
    & skf21("3","1","1","2","3","2","4","1") = "3"
    & skf21("3","1","1","2","3","2","5","1") = "4"
    & skf21("3","1","1","2","3","2","6","1") = "5"
    & skf21("3","1","1","2","3","2","7","1") = "6"
    & skf21("3","1","1","2","3","3","1","1") = "2"
    & skf21("3","1","1","2","3","3","2","1") = "2"
    & skf21("3","1","1","2","3","3","3","1") = "2"
    & skf21("3","1","1","2","3","3","4","1") = "3"
    & skf21("3","1","1","2","3","3","5","1") = "4"
    & skf21("3","1","1","2","3","3","6","1") = "5"
    & skf21("3","1","1","2","3","3","7","1") = "6"
    & skf21("3","1","1","2","3","4","1","1") = "3"
    & skf21("3","1","1","2","3","4","2","1") = "3"
    & skf21("3","1","1","2","3","4","3","1") = "3"
    & skf21("3","1","1","2","3","4","4","1") = "3"
    & skf21("3","1","1","2","3","4","5","1") = "4"
    & skf21("3","1","1","2","3","4","6","1") = "5"
    & skf21("3","1","1","2","3","4","7","1") = "6"
    & skf21("3","1","1","2","3","5","1","1") = "4"
    & skf21("3","1","1","2","3","5","2","1") = "4"
    & skf21("3","1","1","2","3","5","3","1") = "4"
    & skf21("3","1","1","2","3","5","4","1") = "4"
    & skf21("3","1","1","2","3","5","5","1") = "4"
    & skf21("3","1","1","2","3","5","6","1") = "5"
    & skf21("3","1","1","2","3","5","7","1") = "6"
    & skf21("3","1","1","2","3","6","1","1") = "5"
    & skf21("3","1","1","2","3","6","2","1") = "5"
    & skf21("3","1","1","2","3","6","3","1") = "5"
    & skf21("3","1","1","2","3","6","4","1") = "5"
    & skf21("3","1","1","2","3","6","5","1") = "5"
    & skf21("3","1","1","2","3","6","6","1") = "5"
    & skf21("3","1","1","2","3","6","7","1") = "6"
    & skf21("3","1","1","2","3","7","1","1") = "6"
    & skf21("3","1","1","2","3","7","2","1") = "6"
    & skf21("3","1","1","2","3","7","3","1") = "6"
    & skf21("3","1","1","2","3","7","4","1") = "6"
    & skf21("3","1","1","2","3","7","5","1") = "6"
    & skf21("3","1","1","2","3","7","6","1") = "6"
    & skf21("3","1","1","2","3","7","7","1") = "6"
    & skf21("3","1","1","2","4","1","1","1") = "3"
    & skf21("3","1","1","2","4","1","2","1") = "3"
    & skf21("3","1","1","2","4","1","3","1") = "3"
    & skf21("3","1","1","2","4","1","4","1") = "3"
    & skf21("3","1","1","2","4","1","5","1") = "4"
    & skf21("3","1","1","2","4","1","6","1") = "5"
    & skf21("3","1","1","2","4","1","7","1") = "6"
    & skf21("3","1","1","2","4","2","1","1") = "3"
    & skf21("3","1","1","2","4","2","2","1") = "3"
    & skf21("3","1","1","2","4","2","3","1") = "3"
    & skf21("3","1","1","2","4","2","4","1") = "3"
    & skf21("3","1","1","2","4","2","5","1") = "4"
    & skf21("3","1","1","2","4","2","6","1") = "5"
    & skf21("3","1","1","2","4","2","7","1") = "6"
    & skf21("3","1","1","2","4","3","1","1") = "3"
    & skf21("3","1","1","2","4","3","2","1") = "3"
    & skf21("3","1","1","2","4","3","3","1") = "3"
    & skf21("3","1","1","2","4","3","4","1") = "3"
    & skf21("3","1","1","2","4","3","5","1") = "4"
    & skf21("3","1","1","2","4","3","6","1") = "5"
    & skf21("3","1","1","2","4","3","7","1") = "6"
    & skf21("3","1","1","2","4","4","1","1") = "3"
    & skf21("3","1","1","2","4","4","2","1") = "3"
    & skf21("3","1","1","2","4","4","3","1") = "3"
    & skf21("3","1","1","2","4","4","4","1") = "3"
    & skf21("3","1","1","2","4","4","5","1") = "4"
    & skf21("3","1","1","2","4","4","6","1") = "5"
    & skf21("3","1","1","2","4","4","7","1") = "6"
    & skf21("3","1","1","2","4","5","1","1") = "4"
    & skf21("3","1","1","2","4","5","2","1") = "4"
    & skf21("3","1","1","2","4","5","3","1") = "4"
    & skf21("3","1","1","2","4","5","4","1") = "4"
    & skf21("3","1","1","2","4","5","5","1") = "4"
    & skf21("3","1","1","2","4","5","6","1") = "5"
    & skf21("3","1","1","2","4","5","7","1") = "6"
    & skf21("3","1","1","2","4","6","1","1") = "5"
    & skf21("3","1","1","2","4","6","2","1") = "5"
    & skf21("3","1","1","2","4","6","3","1") = "5"
    & skf21("3","1","1","2","4","6","4","1") = "5"
    & skf21("3","1","1","2","4","6","5","1") = "5"
    & skf21("3","1","1","2","4","6","6","1") = "5"
    & skf21("3","1","1","2","4","6","7","1") = "6"
    & skf21("3","1","1","2","4","7","1","1") = "6"
    & skf21("3","1","1","2","4","7","2","1") = "6"
    & skf21("3","1","1","2","4","7","3","1") = "6"
    & skf21("3","1","1","2","4","7","4","1") = "6"
    & skf21("3","1","1","2","4","7","5","1") = "6"
    & skf21("3","1","1","2","4","7","6","1") = "6"
    & skf21("3","1","1","2","4","7","7","1") = "6"
    & skf21("3","1","1","2","5","1","1","1") = "4"
    & skf21("3","1","1","2","5","1","2","1") = "4"
    & skf21("3","1","1","2","5","1","3","1") = "4"
    & skf21("3","1","1","2","5","1","4","1") = "4"
    & skf21("3","1","1","2","5","1","5","1") = "4"
    & skf21("3","1","1","2","5","1","6","1") = "5"
    & skf21("3","1","1","2","5","1","7","1") = "6"
    & skf21("3","1","1","2","5","2","1","1") = "4"
    & skf21("3","1","1","2","5","2","2","1") = "4"
    & skf21("3","1","1","2","5","2","3","1") = "4"
    & skf21("3","1","1","2","5","2","4","1") = "4"
    & skf21("3","1","1","2","5","2","5","1") = "4"
    & skf21("3","1","1","2","5","2","6","1") = "5"
    & skf21("3","1","1","2","5","2","7","1") = "6"
    & skf21("3","1","1","2","5","3","1","1") = "4"
    & skf21("3","1","1","2","5","3","2","1") = "4"
    & skf21("3","1","1","2","5","3","3","1") = "4"
    & skf21("3","1","1","2","5","3","4","1") = "4"
    & skf21("3","1","1","2","5","3","5","1") = "4"
    & skf21("3","1","1","2","5","3","6","1") = "5"
    & skf21("3","1","1","2","5","3","7","1") = "6"
    & skf21("3","1","1","2","5","4","1","1") = "4"
    & skf21("3","1","1","2","5","4","2","1") = "4"
    & skf21("3","1","1","2","5","4","3","1") = "4"
    & skf21("3","1","1","2","5","4","4","1") = "4"
    & skf21("3","1","1","2","5","4","5","1") = "4"
    & skf21("3","1","1","2","5","4","6","1") = "5"
    & skf21("3","1","1","2","5","4","7","1") = "6"
    & skf21("3","1","1","2","5","5","1","1") = "4"
    & skf21("3","1","1","2","5","5","2","1") = "4"
    & skf21("3","1","1","2","5","5","3","1") = "4"
    & skf21("3","1","1","2","5","5","4","1") = "4"
    & skf21("3","1","1","2","5","5","5","1") = "4"
    & skf21("3","1","1","2","5","5","6","1") = "5"
    & skf21("3","1","1","2","5","5","7","1") = "6"
    & skf21("3","1","1","2","5","6","1","1") = "5"
    & skf21("3","1","1","2","5","6","2","1") = "5"
    & skf21("3","1","1","2","5","6","3","1") = "5"
    & skf21("3","1","1","2","5","6","4","1") = "5"
    & skf21("3","1","1","2","5","6","5","1") = "5"
    & skf21("3","1","1","2","5","6","6","1") = "5"
    & skf21("3","1","1","2","5","6","7","1") = "6"
    & skf21("3","1","1","2","5","7","1","1") = "6"
    & skf21("3","1","1","2","5","7","2","1") = "6"
    & skf21("3","1","1","2","5","7","3","1") = "6"
    & skf21("3","1","1","2","5","7","4","1") = "6"
    & skf21("3","1","1","2","5","7","5","1") = "6"
    & skf21("3","1","1","2","5","7","6","1") = "6"
    & skf21("3","1","1","2","5","7","7","1") = "6"
    & skf21("3","1","1","2","6","1","1","1") = "5"
    & skf21("3","1","1","2","6","1","2","1") = "5"
    & skf21("3","1","1","2","6","1","3","1") = "5"
    & skf21("3","1","1","2","6","1","4","1") = "5"
    & skf21("3","1","1","2","6","1","5","1") = "5"
    & skf21("3","1","1","2","6","1","6","1") = "5"
    & skf21("3","1","1","2","6","1","7","1") = "6"
    & skf21("3","1","1","2","6","2","1","1") = "5"
    & skf21("3","1","1","2","6","2","2","1") = "5"
    & skf21("3","1","1","2","6","2","3","1") = "5"
    & skf21("3","1","1","2","6","2","4","1") = "5"
    & skf21("3","1","1","2","6","2","5","1") = "5"
    & skf21("3","1","1","2","6","2","6","1") = "5"
    & skf21("3","1","1","2","6","2","7","1") = "6"
    & skf21("3","1","1","2","6","3","1","1") = "5"
    & skf21("3","1","1","2","6","3","2","1") = "5"
    & skf21("3","1","1","2","6","3","3","1") = "5"
    & skf21("3","1","1","2","6","3","4","1") = "5"
    & skf21("3","1","1","2","6","3","5","1") = "5"
    & skf21("3","1","1","2","6","3","6","1") = "5"
    & skf21("3","1","1","2","6","3","7","1") = "6"
    & skf21("3","1","1","2","6","4","1","1") = "5"
    & skf21("3","1","1","2","6","4","2","1") = "5"
    & skf21("3","1","1","2","6","4","3","1") = "5"
    & skf21("3","1","1","2","6","4","4","1") = "5"
    & skf21("3","1","1","2","6","4","5","1") = "5"
    & skf21("3","1","1","2","6","4","6","1") = "5"
    & skf21("3","1","1","2","6","4","7","1") = "6"
    & skf21("3","1","1","2","6","5","1","1") = "5"
    & skf21("3","1","1","2","6","5","2","1") = "5"
    & skf21("3","1","1","2","6","5","3","1") = "5"
    & skf21("3","1","1","2","6","5","4","1") = "5"
    & skf21("3","1","1","2","6","5","5","1") = "5"
    & skf21("3","1","1","2","6","5","6","1") = "5"
    & skf21("3","1","1","2","6","5","7","1") = "6"
    & skf21("3","1","1","2","6","6","1","1") = "5"
    & skf21("3","1","1","2","6","6","2","1") = "5"
    & skf21("3","1","1","2","6","6","3","1") = "5"
    & skf21("3","1","1","2","6","6","4","1") = "5"
    & skf21("3","1","1","2","6","6","5","1") = "5"
    & skf21("3","1","1","2","6","6","6","1") = "5"
    & skf21("3","1","1","2","6","6","7","1") = "6"
    & skf21("3","1","1","2","6","7","1","1") = "6"
    & skf21("3","1","1","2","6","7","2","1") = "6"
    & skf21("3","1","1","2","6","7","3","1") = "6"
    & skf21("3","1","1","2","6","7","4","1") = "6"
    & skf21("3","1","1","2","6","7","5","1") = "6"
    & skf21("3","1","1","2","6","7","6","1") = "6"
    & skf21("3","1","1","2","6","7","7","1") = "6"
    & skf21("3","1","1","2","7","1","1","1") = "6"
    & skf21("3","1","1","2","7","1","2","1") = "6"
    & skf21("3","1","1","2","7","1","3","1") = "6"
    & skf21("3","1","1","2","7","1","4","1") = "6"
    & skf21("3","1","1","2","7","1","5","1") = "6"
    & skf21("3","1","1","2","7","1","6","1") = "6"
    & skf21("3","1","1","2","7","1","7","1") = "6"
    & skf21("3","1","1","2","7","2","1","1") = "6"
    & skf21("3","1","1","2","7","2","2","1") = "6"
    & skf21("3","1","1","2","7","2","3","1") = "6"
    & skf21("3","1","1","2","7","2","4","1") = "6"
    & skf21("3","1","1","2","7","2","5","1") = "6"
    & skf21("3","1","1","2","7","2","6","1") = "6"
    & skf21("3","1","1","2","7","2","7","1") = "6"
    & skf21("3","1","1","2","7","3","1","1") = "6"
    & skf21("3","1","1","2","7","3","2","1") = "6"
    & skf21("3","1","1","2","7","3","3","1") = "6"
    & skf21("3","1","1","2","7","3","4","1") = "6"
    & skf21("3","1","1","2","7","3","5","1") = "6"
    & skf21("3","1","1","2","7","3","6","1") = "6"
    & skf21("3","1","1","2","7","3","7","1") = "6"
    & skf21("3","1","1","2","7","4","1","1") = "6"
    & skf21("3","1","1","2","7","4","2","1") = "6"
    & skf21("3","1","1","2","7","4","3","1") = "6"
    & skf21("3","1","1","2","7","4","4","1") = "6"
    & skf21("3","1","1","2","7","4","5","1") = "6"
    & skf21("3","1","1","2","7","4","6","1") = "6"
    & skf21("3","1","1","2","7","4","7","1") = "6"
    & skf21("3","1","1","2","7","5","1","1") = "6"
    & skf21("3","1","1","2","7","5","2","1") = "6"
    & skf21("3","1","1","2","7","5","3","1") = "6"
    & skf21("3","1","1","2","7","5","4","1") = "6"
    & skf21("3","1","1","2","7","5","5","1") = "6"
    & skf21("3","1","1","2","7","5","6","1") = "6"
    & skf21("3","1","1","2","7","5","7","1") = "6"
    & skf21("3","1","1","2","7","6","1","1") = "6"
    & skf21("3","1","1","2","7","6","2","1") = "6"
    & skf21("3","1","1","2","7","6","3","1") = "6"
    & skf21("3","1","1","2","7","6","4","1") = "6"
    & skf21("3","1","1","2","7","6","5","1") = "6"
    & skf21("3","1","1","2","7","6","6","1") = "6"
    & skf21("3","1","1","2","7","6","7","1") = "6"
    & skf21("3","1","1","2","7","7","1","1") = "6"
    & skf21("3","1","1","2","7","7","2","1") = "6"
    & skf21("3","1","1","2","7","7","3","1") = "6"
    & skf21("3","1","1","2","7","7","4","1") = "6"
    & skf21("3","1","1","2","7","7","5","1") = "6"
    & skf21("3","1","1","2","7","7","6","1") = "6"
    & skf21("3","1","1","2","7","7","7","1") = "6"
    & skf21("3","1","1","3","1","1","1","1") = "2"
    & skf21("3","1","1","3","1","1","2","1") = "2"
    & skf21("3","1","1","3","1","1","3","1") = "2"
    & skf21("3","1","1","3","1","1","4","1") = "3"
    & skf21("3","1","1","3","1","1","5","1") = "4"
    & skf21("3","1","1","3","1","1","6","1") = "5"
    & skf21("3","1","1","3","1","1","7","1") = "6"
    & skf21("3","1","1","3","1","2","1","1") = "2"
    & skf21("3","1","1","3","1","2","2","1") = "2"
    & skf21("3","1","1","3","1","2","3","1") = "2"
    & skf21("3","1","1","3","1","2","4","1") = "3"
    & skf21("3","1","1","3","1","2","5","1") = "4"
    & skf21("3","1","1","3","1","2","6","1") = "5"
    & skf21("3","1","1","3","1","2","7","1") = "6"
    & skf21("3","1","1","3","1","3","1","1") = "2"
    & skf21("3","1","1","3","1","3","2","1") = "2"
    & skf21("3","1","1","3","1","3","3","1") = "2"
    & skf21("3","1","1","3","1","3","4","1") = "3"
    & skf21("3","1","1","3","1","3","5","1") = "4"
    & skf21("3","1","1","3","1","3","6","1") = "5"
    & skf21("3","1","1","3","1","3","7","1") = "6"
    & skf21("3","1","1","3","1","4","1","1") = "3"
    & skf21("3","1","1","3","1","4","2","1") = "3"
    & skf21("3","1","1","3","1","4","3","1") = "3"
    & skf21("3","1","1","3","1","4","4","1") = "3"
    & skf21("3","1","1","3","1","4","5","1") = "4"
    & skf21("3","1","1","3","1","4","6","1") = "5"
    & skf21("3","1","1","3","1","4","7","1") = "6"
    & skf21("3","1","1","3","1","5","1","1") = "4"
    & skf21("3","1","1","3","1","5","2","1") = "4"
    & skf21("3","1","1","3","1","5","3","1") = "4"
    & skf21("3","1","1","3","1","5","4","1") = "4"
    & skf21("3","1","1","3","1","5","5","1") = "4"
    & skf21("3","1","1","3","1","5","6","1") = "5"
    & skf21("3","1","1","3","1","5","7","1") = "6"
    & skf21("3","1","1","3","1","6","1","1") = "5"
    & skf21("3","1","1","3","1","6","2","1") = "5"
    & skf21("3","1","1","3","1","6","3","1") = "5"
    & skf21("3","1","1","3","1","6","4","1") = "5"
    & skf21("3","1","1","3","1","6","5","1") = "5"
    & skf21("3","1","1","3","1","6","6","1") = "5"
    & skf21("3","1","1","3","1","6","7","1") = "6"
    & skf21("3","1","1","3","1","7","1","1") = "6"
    & skf21("3","1","1","3","1","7","2","1") = "6"
    & skf21("3","1","1","3","1","7","3","1") = "6"
    & skf21("3","1","1","3","1","7","4","1") = "6"
    & skf21("3","1","1","3","1","7","5","1") = "6"
    & skf21("3","1","1","3","1","7","6","1") = "6"
    & skf21("3","1","1","3","1","7","7","1") = "6"
    & skf21("3","1","1","3","2","1","1","1") = "2"
    & skf21("3","1","1","3","2","1","2","1") = "2"
    & skf21("3","1","1","3","2","1","3","1") = "2"
    & skf21("3","1","1","3","2","1","4","1") = "3"
    & skf21("3","1","1","3","2","1","5","1") = "4"
    & skf21("3","1","1","3","2","1","6","1") = "5"
    & skf21("3","1","1","3","2","1","7","1") = "6"
    & skf21("3","1","1","3","2","2","1","1") = "2"
    & skf21("3","1","1","3","2","2","2","1") = "2"
    & skf21("3","1","1","3","2","2","3","1") = "2"
    & skf21("3","1","1","3","2","2","4","1") = "3"
    & skf21("3","1","1","3","2","2","5","1") = "4"
    & skf21("3","1","1","3","2","2","6","1") = "5"
    & skf21("3","1","1","3","2","2","7","1") = "6"
    & skf21("3","1","1","3","2","3","1","1") = "2"
    & skf21("3","1","1","3","2","3","2","1") = "2"
    & skf21("3","1","1","3","2","3","3","1") = "2"
    & skf21("3","1","1","3","2","3","4","1") = "3"
    & skf21("3","1","1","3","2","3","5","1") = "4"
    & skf21("3","1","1","3","2","3","6","1") = "5"
    & skf21("3","1","1","3","2","3","7","1") = "6"
    & skf21("3","1","1","3","2","4","1","1") = "3"
    & skf21("3","1","1","3","2","4","2","1") = "3"
    & skf21("3","1","1","3","2","4","3","1") = "3"
    & skf21("3","1","1","3","2","4","4","1") = "3"
    & skf21("3","1","1","3","2","4","5","1") = "4"
    & skf21("3","1","1","3","2","4","6","1") = "5"
    & skf21("3","1","1","3","2","4","7","1") = "6"
    & skf21("3","1","1","3","2","5","1","1") = "4"
    & skf21("3","1","1","3","2","5","2","1") = "4"
    & skf21("3","1","1","3","2","5","3","1") = "4"
    & skf21("3","1","1","3","2","5","4","1") = "4"
    & skf21("3","1","1","3","2","5","5","1") = "4"
    & skf21("3","1","1","3","2","5","6","1") = "5"
    & skf21("3","1","1","3","2","5","7","1") = "6"
    & skf21("3","1","1","3","2","6","1","1") = "5"
    & skf21("3","1","1","3","2","6","2","1") = "5"
    & skf21("3","1","1","3","2","6","3","1") = "5"
    & skf21("3","1","1","3","2","6","4","1") = "5"
    & skf21("3","1","1","3","2","6","5","1") = "5"
    & skf21("3","1","1","3","2","6","6","1") = "5"
    & skf21("3","1","1","3","2","6","7","1") = "6"
    & skf21("3","1","1","3","2","7","1","1") = "6"
    & skf21("3","1","1","3","2","7","2","1") = "6"
    & skf21("3","1","1","3","2","7","3","1") = "6"
    & skf21("3","1","1","3","2","7","4","1") = "6"
    & skf21("3","1","1","3","2","7","5","1") = "6"
    & skf21("3","1","1","3","2","7","6","1") = "6"
    & skf21("3","1","1","3","2","7","7","1") = "6"
    & skf21("3","1","1","3","3","1","1","1") = "2"
    & skf21("3","1","1","3","3","1","2","1") = "2"
    & skf21("3","1","1","3","3","1","3","1") = "2"
    & skf21("3","1","1","3","3","1","4","1") = "3"
    & skf21("3","1","1","3","3","1","5","1") = "4"
    & skf21("3","1","1","3","3","1","6","1") = "5"
    & skf21("3","1","1","3","3","1","7","1") = "6"
    & skf21("3","1","1","3","3","2","1","1") = "2"
    & skf21("3","1","1","3","3","2","2","1") = "2"
    & skf21("3","1","1","3","3","2","3","1") = "2"
    & skf21("3","1","1","3","3","2","4","1") = "3"
    & skf21("3","1","1","3","3","2","5","1") = "4"
    & skf21("3","1","1","3","3","2","6","1") = "5"
    & skf21("3","1","1","3","3","2","7","1") = "6"
    & skf21("3","1","1","3","3","3","1","1") = "2"
    & skf21("3","1","1","3","3","3","2","1") = "2"
    & skf21("3","1","1","3","3","3","3","1") = "2"
    & skf21("3","1","1","3","3","3","4","1") = "3"
    & skf21("3","1","1","3","3","3","5","1") = "4"
    & skf21("3","1","1","3","3","3","6","1") = "5"
    & skf21("3","1","1","3","3","3","7","1") = "6"
    & skf21("3","1","1","3","3","4","1","1") = "3"
    & skf21("3","1","1","3","3","4","2","1") = "3"
    & skf21("3","1","1","3","3","4","3","1") = "3"
    & skf21("3","1","1","3","3","4","4","1") = "3"
    & skf21("3","1","1","3","3","4","5","1") = "4"
    & skf21("3","1","1","3","3","4","6","1") = "5"
    & skf21("3","1","1","3","3","4","7","1") = "6"
    & skf21("3","1","1","3","3","5","1","1") = "4"
    & skf21("3","1","1","3","3","5","2","1") = "4"
    & skf21("3","1","1","3","3","5","3","1") = "4"
    & skf21("3","1","1","3","3","5","4","1") = "4"
    & skf21("3","1","1","3","3","5","5","1") = "4"
    & skf21("3","1","1","3","3","5","6","1") = "5"
    & skf21("3","1","1","3","3","5","7","1") = "6"
    & skf21("3","1","1","3","3","6","1","1") = "5"
    & skf21("3","1","1","3","3","6","2","1") = "5"
    & skf21("3","1","1","3","3","6","3","1") = "5"
    & skf21("3","1","1","3","3","6","4","1") = "5"
    & skf21("3","1","1","3","3","6","5","1") = "5"
    & skf21("3","1","1","3","3","6","6","1") = "5"
    & skf21("3","1","1","3","3","6","7","1") = "6"
    & skf21("3","1","1","3","3","7","1","1") = "6"
    & skf21("3","1","1","3","3","7","2","1") = "6"
    & skf21("3","1","1","3","3","7","3","1") = "6"
    & skf21("3","1","1","3","3","7","4","1") = "6"
    & skf21("3","1","1","3","3","7","5","1") = "6"
    & skf21("3","1","1","3","3","7","6","1") = "6"
    & skf21("3","1","1","3","3","7","7","1") = "6"
    & skf21("3","1","1","3","4","1","1","1") = "3"
    & skf21("3","1","1","3","4","1","2","1") = "3"
    & skf21("3","1","1","3","4","1","3","1") = "3"
    & skf21("3","1","1","3","4","1","4","1") = "3"
    & skf21("3","1","1","3","4","1","5","1") = "4"
    & skf21("3","1","1","3","4","1","6","1") = "5"
    & skf21("3","1","1","3","4","1","7","1") = "6"
    & skf21("3","1","1","3","4","2","1","1") = "3"
    & skf21("3","1","1","3","4","2","2","1") = "3"
    & skf21("3","1","1","3","4","2","3","1") = "3"
    & skf21("3","1","1","3","4","2","4","1") = "3"
    & skf21("3","1","1","3","4","2","5","1") = "4"
    & skf21("3","1","1","3","4","2","6","1") = "5"
    & skf21("3","1","1","3","4","2","7","1") = "6"
    & skf21("3","1","1","3","4","3","1","1") = "3"
    & skf21("3","1","1","3","4","3","2","1") = "3"
    & skf21("3","1","1","3","4","3","3","1") = "3"
    & skf21("3","1","1","3","4","3","4","1") = "3"
    & skf21("3","1","1","3","4","3","5","1") = "4"
    & skf21("3","1","1","3","4","3","6","1") = "5"
    & skf21("3","1","1","3","4","3","7","1") = "6"
    & skf21("3","1","1","3","4","4","1","1") = "3"
    & skf21("3","1","1","3","4","4","2","1") = "3"
    & skf21("3","1","1","3","4","4","3","1") = "3"
    & skf21("3","1","1","3","4","4","4","1") = "3"
    & skf21("3","1","1","3","4","4","5","1") = "4"
    & skf21("3","1","1","3","4","4","6","1") = "5"
    & skf21("3","1","1","3","4","4","7","1") = "6"
    & skf21("3","1","1","3","4","5","1","1") = "4"
    & skf21("3","1","1","3","4","5","2","1") = "4"
    & skf21("3","1","1","3","4","5","3","1") = "4"
    & skf21("3","1","1","3","4","5","4","1") = "4"
    & skf21("3","1","1","3","4","5","5","1") = "4"
    & skf21("3","1","1","3","4","5","6","1") = "5"
    & skf21("3","1","1","3","4","5","7","1") = "6"
    & skf21("3","1","1","3","4","6","1","1") = "5"
    & skf21("3","1","1","3","4","6","2","1") = "5"
    & skf21("3","1","1","3","4","6","3","1") = "5"
    & skf21("3","1","1","3","4","6","4","1") = "5"
    & skf21("3","1","1","3","4","6","5","1") = "5"
    & skf21("3","1","1","3","4","6","6","1") = "5"
    & skf21("3","1","1","3","4","6","7","1") = "6"
    & skf21("3","1","1","3","4","7","1","1") = "6"
    & skf21("3","1","1","3","4","7","2","1") = "6"
    & skf21("3","1","1","3","4","7","3","1") = "6"
    & skf21("3","1","1","3","4","7","4","1") = "6"
    & skf21("3","1","1","3","4","7","5","1") = "6"
    & skf21("3","1","1","3","4","7","6","1") = "6"
    & skf21("3","1","1","3","4","7","7","1") = "6"
    & skf21("3","1","1","3","5","1","1","1") = "4"
    & skf21("3","1","1","3","5","1","2","1") = "4"
    & skf21("3","1","1","3","5","1","3","1") = "4"
    & skf21("3","1","1","3","5","1","4","1") = "4"
    & skf21("3","1","1","3","5","1","5","1") = "4"
    & skf21("3","1","1","3","5","1","6","1") = "5"
    & skf21("3","1","1","3","5","1","7","1") = "6"
    & skf21("3","1","1","3","5","2","1","1") = "4"
    & skf21("3","1","1","3","5","2","2","1") = "4"
    & skf21("3","1","1","3","5","2","3","1") = "4"
    & skf21("3","1","1","3","5","2","4","1") = "4"
    & skf21("3","1","1","3","5","2","5","1") = "4"
    & skf21("3","1","1","3","5","2","6","1") = "5"
    & skf21("3","1","1","3","5","2","7","1") = "6"
    & skf21("3","1","1","3","5","3","1","1") = "4"
    & skf21("3","1","1","3","5","3","2","1") = "4"
    & skf21("3","1","1","3","5","3","3","1") = "4"
    & skf21("3","1","1","3","5","3","4","1") = "4"
    & skf21("3","1","1","3","5","3","5","1") = "4"
    & skf21("3","1","1","3","5","3","6","1") = "5"
    & skf21("3","1","1","3","5","3","7","1") = "6"
    & skf21("3","1","1","3","5","4","1","1") = "4"
    & skf21("3","1","1","3","5","4","2","1") = "4"
    & skf21("3","1","1","3","5","4","3","1") = "4"
    & skf21("3","1","1","3","5","4","4","1") = "4"
    & skf21("3","1","1","3","5","4","5","1") = "4"
    & skf21("3","1","1","3","5","4","6","1") = "5"
    & skf21("3","1","1","3","5","4","7","1") = "6"
    & skf21("3","1","1","3","5","5","1","1") = "2"
    & skf21("3","1","1","3","5","5","2","1") = "4"
    & skf21("3","1","1","3","5","5","3","1") = "2"
    & skf21("3","1","1","3","5","5","4","1") = "2"
    & skf21("3","1","1","3","5","5","5","1") = "2"
    & skf21("3","1","1","3","5","5","6","1") = "5"
    & skf21("3","1","1","3","5","5","7","1") = "6"
    & skf21("3","1","1","3","5","6","1","1") = "5"
    & skf21("3","1","1","3","5","6","2","1") = "5"
    & skf21("3","1","1","3","5","6","3","1") = "5"
    & skf21("3","1","1","3","5","6","4","1") = "5"
    & skf21("3","1","1","3","5","6","5","1") = "5"
    & skf21("3","1","1","3","5","6","6","1") = "5"
    & skf21("3","1","1","3","5","6","7","1") = "6"
    & skf21("3","1","1","3","5","7","1","1") = "6"
    & skf21("3","1","1","3","5","7","2","1") = "6"
    & skf21("3","1","1","3","5","7","3","1") = "6"
    & skf21("3","1","1","3","5","7","4","1") = "6"
    & skf21("3","1","1","3","5","7","5","1") = "6"
    & skf21("3","1","1","3","5","7","6","1") = "6"
    & skf21("3","1","1","3","5","7","7","1") = "6"
    & skf21("3","1","1","3","6","1","1","1") = "5"
    & skf21("3","1","1","3","6","1","2","1") = "5"
    & skf21("3","1","1","3","6","1","3","1") = "5"
    & skf21("3","1","1","3","6","1","4","1") = "5"
    & skf21("3","1","1","3","6","1","5","1") = "5"
    & skf21("3","1","1","3","6","1","6","1") = "5"
    & skf21("3","1","1","3","6","1","7","1") = "6"
    & skf21("3","1","1","3","6","2","1","1") = "5"
    & skf21("3","1","1","3","6","2","2","1") = "5"
    & skf21("3","1","1","3","6","2","3","1") = "5"
    & skf21("3","1","1","3","6","2","4","1") = "5"
    & skf21("3","1","1","3","6","2","5","1") = "5"
    & skf21("3","1","1","3","6","2","6","1") = "5"
    & skf21("3","1","1","3","6","2","7","1") = "6"
    & skf21("3","1","1","3","6","3","1","1") = "5"
    & skf21("3","1","1","3","6","3","2","1") = "5"
    & skf21("3","1","1","3","6","3","3","1") = "5"
    & skf21("3","1","1","3","6","3","4","1") = "5"
    & skf21("3","1","1","3","6","3","5","1") = "5"
    & skf21("3","1","1","3","6","3","6","1") = "5"
    & skf21("3","1","1","3","6","3","7","1") = "6"
    & skf21("3","1","1","3","6","4","1","1") = "5"
    & skf21("3","1","1","3","6","4","2","1") = "5"
    & skf21("3","1","1","3","6","4","3","1") = "5"
    & skf21("3","1","1","3","6","4","4","1") = "5"
    & skf21("3","1","1","3","6","4","5","1") = "5"
    & skf21("3","1","1","3","6","4","6","1") = "5"
    & skf21("3","1","1","3","6","4","7","1") = "6"
    & skf21("3","1","1","3","6","5","1","1") = "5"
    & skf21("3","1","1","3","6","5","2","1") = "5"
    & skf21("3","1","1","3","6","5","3","1") = "5"
    & skf21("3","1","1","3","6","5","4","1") = "5"
    & skf21("3","1","1","3","6","5","5","1") = "5"
    & skf21("3","1","1","3","6","5","6","1") = "5"
    & skf21("3","1","1","3","6","5","7","1") = "6"
    & skf21("3","1","1","3","6","6","1","1") = "5"
    & skf21("3","1","1","3","6","6","2","1") = "5"
    & skf21("3","1","1","3","6","6","3","1") = "5"
    & skf21("3","1","1","3","6","6","4","1") = "5"
    & skf21("3","1","1","3","6","6","5","1") = "5"
    & skf21("3","1","1","3","6","6","6","1") = "5"
    & skf21("3","1","1","3","6","6","7","1") = "6"
    & skf21("3","1","1","3","6","7","1","1") = "6"
    & skf21("3","1","1","3","6","7","2","1") = "6"
    & skf21("3","1","1","3","6","7","3","1") = "6"
    & skf21("3","1","1","3","6","7","4","1") = "6"
    & skf21("3","1","1","3","6","7","5","1") = "6"
    & skf21("3","1","1","3","6","7","6","1") = "6"
    & skf21("3","1","1","3","6","7","7","1") = "6"
    & skf21("3","1","1","3","7","1","1","1") = "6"
    & skf21("3","1","1","3","7","1","2","1") = "6"
    & skf21("3","1","1","3","7","1","3","1") = "6"
    & skf21("3","1","1","3","7","1","4","1") = "6"
    & skf21("3","1","1","3","7","1","5","1") = "6"
    & skf21("3","1","1","3","7","1","6","1") = "6"
    & skf21("3","1","1","3","7","1","7","1") = "6"
    & skf21("3","1","1","3","7","2","1","1") = "6"
    & skf21("3","1","1","3","7","2","2","1") = "6"
    & skf21("3","1","1","3","7","2","3","1") = "6"
    & skf21("3","1","1","3","7","2","4","1") = "6"
    & skf21("3","1","1","3","7","2","5","1") = "6"
    & skf21("3","1","1","3","7","2","6","1") = "6"
    & skf21("3","1","1","3","7","2","7","1") = "6"
    & skf21("3","1","1","3","7","3","1","1") = "6"
    & skf21("3","1","1","3","7","3","2","1") = "6"
    & skf21("3","1","1","3","7","3","3","1") = "6"
    & skf21("3","1","1","3","7","3","4","1") = "6"
    & skf21("3","1","1","3","7","3","5","1") = "6"
    & skf21("3","1","1","3","7","3","6","1") = "6"
    & skf21("3","1","1","3","7","3","7","1") = "6"
    & skf21("3","1","1","3","7","4","1","1") = "6"
    & skf21("3","1","1","3","7","4","2","1") = "6"
    & skf21("3","1","1","3","7","4","3","1") = "6"
    & skf21("3","1","1","3","7","4","4","1") = "6"
    & skf21("3","1","1","3","7","4","5","1") = "6"
    & skf21("3","1","1","3","7","4","6","1") = "6"
    & skf21("3","1","1","3","7","4","7","1") = "6"
    & skf21("3","1","1","3","7","5","1","1") = "6"
    & skf21("3","1","1","3","7","5","2","1") = "6"
    & skf21("3","1","1","3","7","5","3","1") = "6"
    & skf21("3","1","1","3","7","5","4","1") = "6"
    & skf21("3","1","1","3","7","5","5","1") = "6"
    & skf21("3","1","1","3","7","5","6","1") = "6"
    & skf21("3","1","1","3","7","5","7","1") = "6"
    & skf21("3","1","1","3","7","6","1","1") = "6"
    & skf21("3","1","1","3","7","6","2","1") = "6"
    & skf21("3","1","1","3","7","6","3","1") = "6"
    & skf21("3","1","1","3","7","6","4","1") = "6"
    & skf21("3","1","1","3","7","6","5","1") = "6"
    & skf21("3","1","1","3","7","6","6","1") = "6"
    & skf21("3","1","1","3","7","6","7","1") = "6"
    & skf21("3","1","1","3","7","7","1","1") = "6"
    & skf21("3","1","1","3","7","7","2","1") = "6"
    & skf21("3","1","1","3","7","7","3","1") = "6"
    & skf21("3","1","1","3","7","7","4","1") = "6"
    & skf21("3","1","1","3","7","7","5","1") = "6"
    & skf21("3","1","1","3","7","7","6","1") = "6"
    & skf21("3","1","1","3","7","7","7","1") = "6"
    & skf21("3","1","1","4","1","1","1","1") = "3"
    & skf21("3","1","1","4","1","1","2","1") = "3"
    & skf21("3","1","1","4","1","1","3","1") = "3"
    & skf21("3","1","1","4","1","1","4","1") = "3"
    & skf21("3","1","1","4","1","1","5","1") = "2"
    & skf21("3","1","1","4","1","1","6","1") = "5"
    & skf21("3","1","1","4","1","1","7","1") = "6"
    & skf21("3","1","1","4","1","2","1","1") = "3"
    & skf21("3","1","1","4","1","2","2","1") = "3"
    & skf21("3","1","1","4","1","2","3","1") = "3"
    & skf21("3","1","1","4","1","2","4","1") = "3"
    & skf21("3","1","1","4","1","2","5","1") = "4"
    & skf21("3","1","1","4","1","2","6","1") = "5"
    & skf21("3","1","1","4","1","2","7","1") = "6"
    & skf21("3","1","1","4","1","3","1","1") = "3"
    & skf21("3","1","1","4","1","3","2","1") = "3"
    & skf21("3","1","1","4","1","3","3","1") = "3"
    & skf21("3","1","1","4","1","3","4","1") = "3"
    & skf21("3","1","1","4","1","3","5","1") = "4"
    & skf21("3","1","1","4","1","3","6","1") = "5"
    & skf21("3","1","1","4","1","3","7","1") = "6"
    & skf21("3","1","1","4","1","4","1","1") = "3"
    & skf21("3","1","1","4","1","4","2","1") = "3"
    & skf21("3","1","1","4","1","4","3","1") = "3"
    & skf21("3","1","1","4","1","4","4","1") = "3"
    & skf21("3","1","1","4","1","4","5","1") = "4"
    & skf21("3","1","1","4","1","4","6","1") = "5"
    & skf21("3","1","1","4","1","4","7","1") = "6"
    & skf21("3","1","1","4","1","5","1","1") = "4"
    & skf21("3","1","1","4","1","5","2","1") = "4"
    & skf21("3","1","1","4","1","5","3","1") = "4"
    & skf21("3","1","1","4","1","5","4","1") = "4"
    & skf21("3","1","1","4","1","5","5","1") = "4"
    & skf21("3","1","1","4","1","5","6","1") = "5"
    & skf21("3","1","1","4","1","5","7","1") = "6"
    & skf21("3","1","1","4","1","6","1","1") = "5"
    & skf21("3","1","1","4","1","6","2","1") = "5"
    & skf21("3","1","1","4","1","6","3","1") = "5"
    & skf21("3","1","1","4","1","6","4","1") = "5"
    & skf21("3","1","1","4","1","6","5","1") = "5"
    & skf21("3","1","1","4","1","6","6","1") = "5"
    & skf21("3","1","1","4","1","6","7","1") = "6"
    & skf21("3","1","1","4","1","7","1","1") = "6"
    & skf21("3","1","1","4","1","7","2","1") = "6"
    & skf21("3","1","1","4","1","7","3","1") = "6"
    & skf21("3","1","1","4","1","7","4","1") = "6"
    & skf21("3","1","1","4","1","7","5","1") = "6"
    & skf21("3","1","1","4","1","7","6","1") = "6"
    & skf21("3","1","1","4","1","7","7","1") = "6"
    & skf21("3","1","1","4","2","1","1","1") = "3"
    & skf21("3","1","1","4","2","1","2","1") = "3"
    & skf21("3","1","1","4","2","1","3","1") = "3"
    & skf21("3","1","1","4","2","1","4","1") = "3"
    & skf21("3","1","1","4","2","1","5","1") = "4"
    & skf21("3","1","1","4","2","1","6","1") = "5"
    & skf21("3","1","1","4","2","1","7","1") = "6"
    & skf21("3","1","1","4","2","2","1","1") = "3"
    & skf21("3","1","1","4","2","2","2","1") = "3"
    & skf21("3","1","1","4","2","2","3","1") = "3"
    & skf21("3","1","1","4","2","2","4","1") = "3"
    & skf21("3","1","1","4","2","2","5","1") = "4"
    & skf21("3","1","1","4","2","2","6","1") = "5"
    & skf21("3","1","1","4","2","2","7","1") = "6"
    & skf21("3","1","1","4","2","3","1","1") = "3"
    & skf21("3","1","1","4","2","3","2","1") = "3"
    & skf21("3","1","1","4","2","3","3","1") = "3"
    & skf21("3","1","1","4","2","3","4","1") = "3"
    & skf21("3","1","1","4","2","3","5","1") = "4"
    & skf21("3","1","1","4","2","3","6","1") = "5"
    & skf21("3","1","1","4","2","3","7","1") = "6"
    & skf21("3","1","1","4","2","4","1","1") = "3"
    & skf21("3","1","1","4","2","4","2","1") = "3"
    & skf21("3","1","1","4","2","4","3","1") = "3"
    & skf21("3","1","1","4","2","4","4","1") = "3"
    & skf21("3","1","1","4","2","4","5","1") = "4"
    & skf21("3","1","1","4","2","4","6","1") = "5"
    & skf21("3","1","1","4","2","4","7","1") = "6"
    & skf21("3","1","1","4","2","5","1","1") = "4"
    & skf21("3","1","1","4","2","5","2","1") = "4"
    & skf21("3","1","1","4","2","5","3","1") = "4"
    & skf21("3","1","1","4","2","5","4","1") = "4"
    & skf21("3","1","1","4","2","5","5","1") = "4"
    & skf21("3","1","1","4","2","5","6","1") = "5"
    & skf21("3","1","1","4","2","5","7","1") = "6"
    & skf21("3","1","1","4","2","6","1","1") = "5"
    & skf21("3","1","1","4","2","6","2","1") = "5"
    & skf21("3","1","1","4","2","6","3","1") = "5"
    & skf21("3","1","1","4","2","6","4","1") = "5"
    & skf21("3","1","1","4","2","6","5","1") = "5"
    & skf21("3","1","1","4","2","6","6","1") = "5"
    & skf21("3","1","1","4","2","6","7","1") = "6"
    & skf21("3","1","1","4","2","7","1","1") = "6"
    & skf21("3","1","1","4","2","7","2","1") = "6"
    & skf21("3","1","1","4","2","7","3","1") = "6"
    & skf21("3","1","1","4","2","7","4","1") = "6"
    & skf21("3","1","1","4","2","7","5","1") = "6"
    & skf21("3","1","1","4","2","7","6","1") = "6"
    & skf21("3","1","1","4","2","7","7","1") = "6"
    & skf21("3","1","1","4","3","1","1","1") = "3"
    & skf21("3","1","1","4","3","1","2","1") = "3"
    & skf21("3","1","1","4","3","1","3","1") = "3"
    & skf21("3","1","1","4","3","1","4","1") = "3"
    & skf21("3","1","1","4","3","1","5","1") = "4"
    & skf21("3","1","1","4","3","1","6","1") = "5"
    & skf21("3","1","1","4","3","1","7","1") = "6"
    & skf21("3","1","1","4","3","2","1","1") = "3"
    & skf21("3","1","1","4","3","2","2","1") = "3"
    & skf21("3","1","1","4","3","2","3","1") = "3"
    & skf21("3","1","1","4","3","2","4","1") = "3"
    & skf21("3","1","1","4","3","2","5","1") = "4"
    & skf21("3","1","1","4","3","2","6","1") = "5"
    & skf21("3","1","1","4","3","2","7","1") = "6"
    & skf21("3","1","1","4","3","3","1","1") = "3"
    & skf21("3","1","1","4","3","3","2","1") = "3"
    & skf21("3","1","1","4","3","3","3","1") = "3"
    & skf21("3","1","1","4","3","3","4","1") = "3"
    & skf21("3","1","1","4","3","3","5","1") = "4"
    & skf21("3","1","1","4","3","3","6","1") = "5"
    & skf21("3","1","1","4","3","3","7","1") = "6"
    & skf21("3","1","1","4","3","4","1","1") = "3"
    & skf21("3","1","1","4","3","4","2","1") = "3"
    & skf21("3","1","1","4","3","4","3","1") = "3"
    & skf21("3","1","1","4","3","4","4","1") = "3"
    & skf21("3","1","1","4","3","4","5","1") = "4"
    & skf21("3","1","1","4","3","4","6","1") = "5"
    & skf21("3","1","1","4","3","4","7","1") = "6"
    & skf21("3","1","1","4","3","5","1","1") = "4"
    & skf21("3","1","1","4","3","5","2","1") = "4"
    & skf21("3","1","1","4","3","5","3","1") = "4"
    & skf21("3","1","1","4","3","5","4","1") = "4"
    & skf21("3","1","1","4","3","5","5","1") = "4"
    & skf21("3","1","1","4","3","5","6","1") = "5"
    & skf21("3","1","1","4","3","5","7","1") = "6"
    & skf21("3","1","1","4","3","6","1","1") = "5"
    & skf21("3","1","1","4","3","6","2","1") = "5"
    & skf21("3","1","1","4","3","6","3","1") = "5"
    & skf21("3","1","1","4","3","6","4","1") = "5"
    & skf21("3","1","1","4","3","6","5","1") = "5"
    & skf21("3","1","1","4","3","6","6","1") = "5"
    & skf21("3","1","1","4","3","6","7","1") = "6"
    & skf21("3","1","1","4","3","7","1","1") = "6"
    & skf21("3","1","1","4","3","7","2","1") = "6"
    & skf21("3","1","1","4","3","7","3","1") = "6"
    & skf21("3","1","1","4","3","7","4","1") = "6"
    & skf21("3","1","1","4","3","7","5","1") = "6"
    & skf21("3","1","1","4","3","7","6","1") = "6"
    & skf21("3","1","1","4","3","7","7","1") = "6"
    & skf21("3","1","1","4","4","1","1","1") = "3"
    & skf21("3","1","1","4","4","1","2","1") = "3"
    & skf21("3","1","1","4","4","1","3","1") = "3"
    & skf21("3","1","1","4","4","1","4","1") = "3"
    & skf21("3","1","1","4","4","1","5","1") = "4"
    & skf21("3","1","1","4","4","1","6","1") = "5"
    & skf21("3","1","1","4","4","1","7","1") = "6"
    & skf21("3","1","1","4","4","2","1","1") = "3"
    & skf21("3","1","1","4","4","2","2","1") = "3"
    & skf21("3","1","1","4","4","2","3","1") = "3"
    & skf21("3","1","1","4","4","2","4","1") = "3"
    & skf21("3","1","1","4","4","2","5","1") = "4"
    & skf21("3","1","1","4","4","2","6","1") = "5"
    & skf21("3","1","1","4","4","2","7","1") = "6"
    & skf21("3","1","1","4","4","3","1","1") = "3"
    & skf21("3","1","1","4","4","3","2","1") = "3"
    & skf21("3","1","1","4","4","3","3","1") = "3"
    & skf21("3","1","1","4","4","3","4","1") = "3"
    & skf21("3","1","1","4","4","3","5","1") = "4"
    & skf21("3","1","1","4","4","3","6","1") = "5"
    & skf21("3","1","1","4","4","3","7","1") = "6"
    & skf21("3","1","1","4","4","4","1","1") = "3"
    & skf21("3","1","1","4","4","4","2","1") = "3"
    & skf21("3","1","1","4","4","4","3","1") = "3"
    & skf21("3","1","1","4","4","4","4","1") = "3"
    & skf21("3","1","1","4","4","4","5","1") = "4"
    & skf21("3","1","1","4","4","4","6","1") = "5"
    & skf21("3","1","1","4","4","4","7","1") = "6"
    & skf21("3","1","1","4","4","5","1","1") = "4"
    & skf21("3","1","1","4","4","5","2","1") = "4"
    & skf21("3","1","1","4","4","5","3","1") = "4"
    & skf21("3","1","1","4","4","5","4","1") = "4"
    & skf21("3","1","1","4","4","5","5","1") = "4"
    & skf21("3","1","1","4","4","5","6","1") = "5"
    & skf21("3","1","1","4","4","5","7","1") = "6"
    & skf21("3","1","1","4","4","6","1","1") = "5"
    & skf21("3","1","1","4","4","6","2","1") = "5"
    & skf21("3","1","1","4","4","6","3","1") = "5"
    & skf21("3","1","1","4","4","6","4","1") = "5"
    & skf21("3","1","1","4","4","6","5","1") = "5"
    & skf21("3","1","1","4","4","6","6","1") = "5"
    & skf21("3","1","1","4","4","6","7","1") = "6"
    & skf21("3","1","1","4","4","7","1","1") = "6"
    & skf21("3","1","1","4","4","7","2","1") = "6"
    & skf21("3","1","1","4","4","7","3","1") = "6"
    & skf21("3","1","1","4","4","7","4","1") = "6"
    & skf21("3","1","1","4","4","7","5","1") = "6"
    & skf21("3","1","1","4","4","7","6","1") = "6"
    & skf21("3","1","1","4","4","7","7","1") = "6"
    & skf21("3","1","1","4","5","1","1","1") = "4"
    & skf21("3","1","1","4","5","1","2","1") = "4"
    & skf21("3","1","1","4","5","1","3","1") = "4"
    & skf21("3","1","1","4","5","1","4","1") = "4"
    & skf21("3","1","1","4","5","1","5","1") = "4"
    & skf21("3","1","1","4","5","1","6","1") = "5"
    & skf21("3","1","1","4","5","1","7","1") = "6"
    & skf21("3","1","1","4","5","2","1","1") = "4"
    & skf21("3","1","1","4","5","2","2","1") = "4"
    & skf21("3","1","1","4","5","2","3","1") = "4"
    & skf21("3","1","1","4","5","2","4","1") = "4"
    & skf21("3","1","1","4","5","2","5","1") = "4"
    & skf21("3","1","1","4","5","2","6","1") = "5"
    & skf21("3","1","1","4","5","2","7","1") = "6"
    & skf21("3","1","1","4","5","3","1","1") = "4"
    & skf21("3","1","1","4","5","3","2","1") = "4"
    & skf21("3","1","1","4","5","3","3","1") = "4"
    & skf21("3","1","1","4","5","3","4","1") = "4"
    & skf21("3","1","1","4","5","3","5","1") = "4"
    & skf21("3","1","1","4","5","3","6","1") = "5"
    & skf21("3","1","1","4","5","3","7","1") = "6"
    & skf21("3","1","1","4","5","4","1","1") = "4"
    & skf21("3","1","1","4","5","4","2","1") = "4"
    & skf21("3","1","1","4","5","4","3","1") = "4"
    & skf21("3","1","1","4","5","4","4","1") = "4"
    & skf21("3","1","1","4","5","4","5","1") = "4"
    & skf21("3","1","1","4","5","4","6","1") = "5"
    & skf21("3","1","1","4","5","4","7","1") = "6"
    & skf21("3","1","1","4","5","5","1","1") = "4"
    & skf21("3","1","1","4","5","5","2","1") = "4"
    & skf21("3","1","1","4","5","5","3","1") = "4"
    & skf21("3","1","1","4","5","5","4","1") = "4"
    & skf21("3","1","1","4","5","5","5","1") = "4"
    & skf21("3","1","1","4","5","5","6","1") = "5"
    & skf21("3","1","1","4","5","5","7","1") = "6"
    & skf21("3","1","1","4","5","6","1","1") = "5"
    & skf21("3","1","1","4","5","6","2","1") = "5"
    & skf21("3","1","1","4","5","6","3","1") = "5"
    & skf21("3","1","1","4","5","6","4","1") = "5"
    & skf21("3","1","1","4","5","6","5","1") = "5"
    & skf21("3","1","1","4","5","6","6","1") = "5"
    & skf21("3","1","1","4","5","6","7","1") = "6"
    & skf21("3","1","1","4","5","7","1","1") = "6"
    & skf21("3","1","1","4","5","7","2","1") = "6"
    & skf21("3","1","1","4","5","7","3","1") = "6"
    & skf21("3","1","1","4","5","7","4","1") = "6"
    & skf21("3","1","1","4","5","7","5","1") = "6"
    & skf21("3","1","1","4","5","7","6","1") = "6"
    & skf21("3","1","1","4","5","7","7","1") = "6"
    & skf21("3","1","1","4","6","1","1","1") = "5"
    & skf21("3","1","1","4","6","1","2","1") = "5"
    & skf21("3","1","1","4","6","1","3","1") = "5"
    & skf21("3","1","1","4","6","1","4","1") = "5"
    & skf21("3","1","1","4","6","1","5","1") = "5"
    & skf21("3","1","1","4","6","1","6","1") = "5"
    & skf21("3","1","1","4","6","1","7","1") = "6"
    & skf21("3","1","1","4","6","2","1","1") = "5"
    & skf21("3","1","1","4","6","2","2","1") = "5"
    & skf21("3","1","1","4","6","2","3","1") = "5"
    & skf21("3","1","1","4","6","2","4","1") = "5"
    & skf21("3","1","1","4","6","2","5","1") = "5"
    & skf21("3","1","1","4","6","2","6","1") = "5"
    & skf21("3","1","1","4","6","2","7","1") = "6"
    & skf21("3","1","1","4","6","3","1","1") = "5"
    & skf21("3","1","1","4","6","3","2","1") = "5"
    & skf21("3","1","1","4","6","3","3","1") = "5"
    & skf21("3","1","1","4","6","3","4","1") = "5"
    & skf21("3","1","1","4","6","3","5","1") = "5"
    & skf21("3","1","1","4","6","3","6","1") = "5"
    & skf21("3","1","1","4","6","3","7","1") = "6"
    & skf21("3","1","1","4","6","4","1","1") = "5"
    & skf21("3","1","1","4","6","4","2","1") = "5"
    & skf21("3","1","1","4","6","4","3","1") = "5"
    & skf21("3","1","1","4","6","4","4","1") = "5"
    & skf21("3","1","1","4","6","4","5","1") = "5"
    & skf21("3","1","1","4","6","4","6","1") = "5"
    & skf21("3","1","1","4","6","4","7","1") = "6"
    & skf21("3","1","1","4","6","5","1","1") = "5"
    & skf21("3","1","1","4","6","5","2","1") = "5"
    & skf21("3","1","1","4","6","5","3","1") = "5"
    & skf21("3","1","1","4","6","5","4","1") = "5"
    & skf21("3","1","1","4","6","5","5","1") = "5"
    & skf21("3","1","1","4","6","5","6","1") = "5"
    & skf21("3","1","1","4","6","5","7","1") = "6"
    & skf21("3","1","1","4","6","6","1","1") = "5"
    & skf21("3","1","1","4","6","6","2","1") = "5"
    & skf21("3","1","1","4","6","6","3","1") = "5"
    & skf21("3","1","1","4","6","6","4","1") = "5"
    & skf21("3","1","1","4","6","6","5","1") = "5"
    & skf21("3","1","1","4","6","6","6","1") = "5"
    & skf21("3","1","1","4","6","6","7","1") = "6"
    & skf21("3","1","1","4","6","7","1","1") = "6"
    & skf21("3","1","1","4","6","7","2","1") = "6"
    & skf21("3","1","1","4","6","7","3","1") = "6"
    & skf21("3","1","1","4","6","7","4","1") = "6"
    & skf21("3","1","1","4","6","7","5","1") = "6"
    & skf21("3","1","1","4","6","7","6","1") = "6"
    & skf21("3","1","1","4","6","7","7","1") = "6"
    & skf21("3","1","1","4","7","1","1","1") = "6"
    & skf21("3","1","1","4","7","1","2","1") = "6"
    & skf21("3","1","1","4","7","1","3","1") = "6"
    & skf21("3","1","1","4","7","1","4","1") = "6"
    & skf21("3","1","1","4","7","1","5","1") = "6"
    & skf21("3","1","1","4","7","1","6","1") = "6"
    & skf21("3","1","1","4","7","1","7","1") = "6"
    & skf21("3","1","1","4","7","2","1","1") = "6"
    & skf21("3","1","1","4","7","2","2","1") = "6"
    & skf21("3","1","1","4","7","2","3","1") = "6"
    & skf21("3","1","1","4","7","2","4","1") = "6"
    & skf21("3","1","1","4","7","2","5","1") = "6"
    & skf21("3","1","1","4","7","2","6","1") = "6"
    & skf21("3","1","1","4","7","2","7","1") = "6"
    & skf21("3","1","1","4","7","3","1","1") = "6"
    & skf21("3","1","1","4","7","3","2","1") = "6"
    & skf21("3","1","1","4","7","3","3","1") = "6"
    & skf21("3","1","1","4","7","3","4","1") = "6"
    & skf21("3","1","1","4","7","3","5","1") = "6"
    & skf21("3","1","1","4","7","3","6","1") = "6"
    & skf21("3","1","1","4","7","3","7","1") = "6"
    & skf21("3","1","1","4","7","4","1","1") = "6"
    & skf21("3","1","1","4","7","4","2","1") = "6"
    & skf21("3","1","1","4","7","4","3","1") = "6"
    & skf21("3","1","1","4","7","4","4","1") = "6"
    & skf21("3","1","1","4","7","4","5","1") = "6"
    & skf21("3","1","1","4","7","4","6","1") = "6"
    & skf21("3","1","1","4","7","4","7","1") = "6"
    & skf21("3","1","1","4","7","5","1","1") = "6"
    & skf21("3","1","1","4","7","5","2","1") = "6"
    & skf21("3","1","1","4","7","5","3","1") = "6"
    & skf21("3","1","1","4","7","5","4","1") = "6"
    & skf21("3","1","1","4","7","5","5","1") = "6"
    & skf21("3","1","1","4","7","5","6","1") = "6"
    & skf21("3","1","1","4","7","5","7","1") = "6"
    & skf21("3","1","1","4","7","6","1","1") = "6"
    & skf21("3","1","1","4","7","6","2","1") = "6"
    & skf21("3","1","1","4","7","6","3","1") = "6"
    & skf21("3","1","1","4","7","6","4","1") = "6"
    & skf21("3","1","1","4","7","6","5","1") = "6"
    & skf21("3","1","1","4","7","6","6","1") = "6"
    & skf21("3","1","1","4","7","6","7","1") = "6"
    & skf21("3","1","1","4","7","7","1","1") = "6"
    & skf21("3","1","1","4","7","7","2","1") = "6"
    & skf21("3","1","1","4","7","7","3","1") = "6"
    & skf21("3","1","1","4","7","7","4","1") = "6"
    & skf21("3","1","1","4","7","7","5","1") = "6"
    & skf21("3","1","1","4","7","7","6","1") = "6"
    & skf21("3","1","1","4","7","7","7","1") = "6"
    & skf21("3","1","1","5","1","1","1","1") = "2"
    & skf21("3","1","1","5","1","1","2","1") = "4"
    & skf21("3","1","1","5","1","1","3","1") = "4"
    & skf21("3","1","1","5","1","1","4","1") = "4"
    & skf21("3","1","1","5","1","1","5","1") = "4"
    & skf21("3","1","1","5","1","1","6","1") = "5"
    & skf21("3","1","1","5","1","1","7","1") = "6"
    & skf21("3","1","1","5","1","2","1","1") = "4"
    & skf21("3","1","1","5","1","2","2","1") = "4"
    & skf21("3","1","1","5","1","2","3","1") = "4"
    & skf21("3","1","1","5","1","2","4","1") = "4"
    & skf21("3","1","1","5","1","2","5","1") = "4"
    & skf21("3","1","1","5","1","2","6","1") = "5"
    & skf21("3","1","1","5","1","2","7","1") = "6"
    & skf21("3","1","1","5","1","3","1","1") = "4"
    & skf21("3","1","1","5","1","3","2","1") = "4"
    & skf21("3","1","1","5","1","3","3","1") = "4"
    & skf21("3","1","1","5","1","3","4","1") = "4"
    & skf21("3","1","1","5","1","3","5","1") = "4"
    & skf21("3","1","1","5","1","3","6","1") = "5"
    & skf21("3","1","1","5","1","3","7","1") = "6"
    & skf21("3","1","1","5","1","4","1","1") = "4"
    & skf21("3","1","1","5","1","4","2","1") = "4"
    & skf21("3","1","1","5","1","4","3","1") = "4"
    & skf21("3","1","1","5","1","4","4","1") = "4"
    & skf21("3","1","1","5","1","4","5","1") = "4"
    & skf21("3","1","1","5","1","4","6","1") = "5"
    & skf21("3","1","1","5","1","4","7","1") = "6"
    & skf21("3","1","1","5","1","5","1","1") = "4"
    & skf21("3","1","1","5","1","5","2","1") = "4"
    & skf21("3","1","1","5","1","5","3","1") = "4"
    & skf21("3","1","1","5","1","5","4","1") = "4"
    & skf21("3","1","1","5","1","5","5","1") = "4"
    & skf21("3","1","1","5","1","5","6","1") = "5"
    & skf21("3","1","1","5","1","5","7","1") = "6"
    & skf21("3","1","1","5","1","6","1","1") = "5"
    & skf21("3","1","1","5","1","6","2","1") = "5"
    & skf21("3","1","1","5","1","6","3","1") = "5"
    & skf21("3","1","1","5","1","6","4","1") = "5"
    & skf21("3","1","1","5","1","6","5","1") = "5"
    & skf21("3","1","1","5","1","6","6","1") = "5"
    & skf21("3","1","1","5","1","6","7","1") = "6"
    & skf21("3","1","1","5","1","7","1","1") = "6"
    & skf21("3","1","1","5","1","7","2","1") = "6"
    & skf21("3","1","1","5","1","7","3","1") = "6"
    & skf21("3","1","1","5","1","7","4","1") = "6"
    & skf21("3","1","1","5","1","7","5","1") = "6"
    & skf21("3","1","1","5","1","7","6","1") = "6"
    & skf21("3","1","1","5","1","7","7","1") = "6"
    & skf21("3","1","1","5","2","1","1","1") = "4"
    & skf21("3","1","1","5","2","1","2","1") = "4"
    & skf21("3","1","1","5","2","1","3","1") = "4"
    & skf21("3","1","1","5","2","1","4","1") = "4"
    & skf21("3","1","1","5","2","1","5","1") = "4"
    & skf21("3","1","1","5","2","1","6","1") = "5"
    & skf21("3","1","1","5","2","1","7","1") = "6"
    & skf21("3","1","1","5","2","2","1","1") = "4"
    & skf21("3","1","1","5","2","2","2","1") = "4"
    & skf21("3","1","1","5","2","2","3","1") = "4"
    & skf21("3","1","1","5","2","2","4","1") = "4"
    & skf21("3","1","1","5","2","2","5","1") = "4"
    & skf21("3","1","1","5","2","2","6","1") = "5"
    & skf21("3","1","1","5","2","2","7","1") = "6"
    & skf21("3","1","1","5","2","3","1","1") = "4"
    & skf21("3","1","1","5","2","3","2","1") = "4"
    & skf21("3","1","1","5","2","3","3","1") = "4"
    & skf21("3","1","1","5","2","3","4","1") = "4"
    & skf21("3","1","1","5","2","3","5","1") = "4"
    & skf21("3","1","1","5","2","3","6","1") = "5"
    & skf21("3","1","1","5","2","3","7","1") = "6"
    & skf21("3","1","1","5","2","4","1","1") = "4"
    & skf21("3","1","1","5","2","4","2","1") = "4"
    & skf21("3","1","1","5","2","4","3","1") = "4"
    & skf21("3","1","1","5","2","4","4","1") = "4"
    & skf21("3","1","1","5","2","4","5","1") = "4"
    & skf21("3","1","1","5","2","4","6","1") = "5"
    & skf21("3","1","1","5","2","4","7","1") = "6"
    & skf21("3","1","1","5","2","5","1","1") = "4"
    & skf21("3","1","1","5","2","5","2","1") = "4"
    & skf21("3","1","1","5","2","5","3","1") = "4"
    & skf21("3","1","1","5","2","5","4","1") = "4"
    & skf21("3","1","1","5","2","5","5","1") = "4"
    & skf21("3","1","1","5","2","5","6","1") = "5"
    & skf21("3","1","1","5","2","5","7","1") = "6"
    & skf21("3","1","1","5","2","6","1","1") = "5"
    & skf21("3","1","1","5","2","6","2","1") = "5"
    & skf21("3","1","1","5","2","6","3","1") = "5"
    & skf21("3","1","1","5","2","6","4","1") = "5"
    & skf21("3","1","1","5","2","6","5","1") = "5"
    & skf21("3","1","1","5","2","6","6","1") = "5"
    & skf21("3","1","1","5","2","6","7","1") = "6"
    & skf21("3","1","1","5","2","7","1","1") = "6"
    & skf21("3","1","1","5","2","7","2","1") = "6"
    & skf21("3","1","1","5","2","7","3","1") = "6"
    & skf21("3","1","1","5","2","7","4","1") = "6"
    & skf21("3","1","1","5","2","7","5","1") = "6"
    & skf21("3","1","1","5","2","7","6","1") = "6"
    & skf21("3","1","1","5","2","7","7","1") = "6"
    & skf21("3","1","1","5","3","1","1","1") = "4"
    & skf21("3","1","1","5","3","1","2","1") = "4"
    & skf21("3","1","1","5","3","1","3","1") = "4"
    & skf21("3","1","1","5","3","1","4","1") = "4"
    & skf21("3","1","1","5","3","1","5","1") = "4"
    & skf21("3","1","1","5","3","1","6","1") = "5"
    & skf21("3","1","1","5","3","1","7","1") = "6"
    & skf21("3","1","1","5","3","2","1","1") = "4"
    & skf21("3","1","1","5","3","2","2","1") = "4"
    & skf21("3","1","1","5","3","2","3","1") = "4"
    & skf21("3","1","1","5","3","2","4","1") = "4"
    & skf21("3","1","1","5","3","2","5","1") = "4"
    & skf21("3","1","1","5","3","2","6","1") = "5"
    & skf21("3","1","1","5","3","2","7","1") = "6"
    & skf21("3","1","1","5","3","3","1","1") = "4"
    & skf21("3","1","1","5","3","3","2","1") = "4"
    & skf21("3","1","1","5","3","3","3","1") = "4"
    & skf21("3","1","1","5","3","3","4","1") = "4"
    & skf21("3","1","1","5","3","3","5","1") = "4"
    & skf21("3","1","1","5","3","3","6","1") = "5"
    & skf21("3","1","1","5","3","3","7","1") = "6"
    & skf21("3","1","1","5","3","4","1","1") = "4"
    & skf21("3","1","1","5","3","4","2","1") = "4"
    & skf21("3","1","1","5","3","4","3","1") = "4"
    & skf21("3","1","1","5","3","4","4","1") = "4"
    & skf21("3","1","1","5","3","4","5","1") = "4"
    & skf21("3","1","1","5","3","4","6","1") = "5"
    & skf21("3","1","1","5","3","4","7","1") = "6"
    & skf21("3","1","1","5","3","5","1","1") = "4"
    & skf21("3","1","1","5","3","5","2","1") = "4"
    & skf21("3","1","1","5","3","5","3","1") = "4"
    & skf21("3","1","1","5","3","5","4","1") = "4"
    & skf21("3","1","1","5","3","5","5","1") = "4"
    & skf21("3","1","1","5","3","5","6","1") = "5"
    & skf21("3","1","1","5","3","5","7","1") = "6"
    & skf21("3","1","1","5","3","6","1","1") = "5"
    & skf21("3","1","1","5","3","6","2","1") = "5"
    & skf21("3","1","1","5","3","6","3","1") = "5"
    & skf21("3","1","1","5","3","6","4","1") = "5"
    & skf21("3","1","1","5","3","6","5","1") = "5"
    & skf21("3","1","1","5","3","6","6","1") = "5"
    & skf21("3","1","1","5","3","6","7","1") = "6"
    & skf21("3","1","1","5","3","7","1","1") = "6"
    & skf21("3","1","1","5","3","7","2","1") = "6"
    & skf21("3","1","1","5","3","7","3","1") = "6"
    & skf21("3","1","1","5","3","7","4","1") = "6"
    & skf21("3","1","1","5","3","7","5","1") = "6"
    & skf21("3","1","1","5","3","7","6","1") = "6"
    & skf21("3","1","1","5","3","7","7","1") = "6"
    & skf21("3","1","1","5","4","1","1","1") = "4"
    & skf21("3","1","1","5","4","1","2","1") = "4"
    & skf21("3","1","1","5","4","1","3","1") = "4"
    & skf21("3","1","1","5","4","1","4","1") = "4"
    & skf21("3","1","1","5","4","1","5","1") = "4"
    & skf21("3","1","1","5","4","1","6","1") = "5"
    & skf21("3","1","1","5","4","1","7","1") = "6"
    & skf21("3","1","1","5","4","2","1","1") = "4"
    & skf21("3","1","1","5","4","2","2","1") = "4"
    & skf21("3","1","1","5","4","2","3","1") = "4"
    & skf21("3","1","1","5","4","2","4","1") = "4"
    & skf21("3","1","1","5","4","2","5","1") = "4"
    & skf21("3","1","1","5","4","2","6","1") = "5"
    & skf21("3","1","1","5","4","2","7","1") = "6"
    & skf21("3","1","1","5","4","3","1","1") = "4"
    & skf21("3","1","1","5","4","3","2","1") = "4"
    & skf21("3","1","1","5","4","3","3","1") = "4"
    & skf21("3","1","1","5","4","3","4","1") = "4"
    & skf21("3","1","1","5","4","3","5","1") = "4"
    & skf21("3","1","1","5","4","3","6","1") = "5"
    & skf21("3","1","1","5","4","3","7","1") = "6"
    & skf21("3","1","1","5","4","4","1","1") = "4"
    & skf21("3","1","1","5","4","4","2","1") = "4"
    & skf21("3","1","1","5","4","4","3","1") = "4"
    & skf21("3","1","1","5","4","4","4","1") = "4"
    & skf21("3","1","1","5","4","4","5","1") = "4"
    & skf21("3","1","1","5","4","4","6","1") = "5"
    & skf21("3","1","1","5","4","4","7","1") = "6"
    & skf21("3","1","1","5","4","5","1","1") = "4"
    & skf21("3","1","1","5","4","5","2","1") = "4"
    & skf21("3","1","1","5","4","5","3","1") = "4"
    & skf21("3","1","1","5","4","5","4","1") = "4"
    & skf21("3","1","1","5","4","5","5","1") = "4"
    & skf21("3","1","1","5","4","5","6","1") = "5"
    & skf21("3","1","1","5","4","5","7","1") = "6"
    & skf21("3","1","1","5","4","6","1","1") = "5"
    & skf21("3","1","1","5","4","6","2","1") = "5"
    & skf21("3","1","1","5","4","6","3","1") = "5"
    & skf21("3","1","1","5","4","6","4","1") = "5"
    & skf21("3","1","1","5","4","6","5","1") = "5"
    & skf21("3","1","1","5","4","6","6","1") = "5"
    & skf21("3","1","1","5","4","6","7","1") = "6"
    & skf21("3","1","1","5","4","7","1","1") = "6"
    & skf21("3","1","1","5","4","7","2","1") = "6"
    & skf21("3","1","1","5","4","7","3","1") = "6"
    & skf21("3","1","1","5","4","7","4","1") = "6"
    & skf21("3","1","1","5","4","7","5","1") = "6"
    & skf21("3","1","1","5","4","7","6","1") = "6"
    & skf21("3","1","1","5","4","7","7","1") = "6"
    & skf21("3","1","1","5","5","1","1","1") = "4"
    & skf21("3","1","1","5","5","1","2","1") = "4"
    & skf21("3","1","1","5","5","1","3","1") = "4"
    & skf21("3","1","1","5","5","1","4","1") = "4"
    & skf21("3","1","1","5","5","1","5","1") = "4"
    & skf21("3","1","1","5","5","1","6","1") = "5"
    & skf21("3","1","1","5","5","1","7","1") = "6"
    & skf21("3","1","1","5","5","2","1","1") = "4"
    & skf21("3","1","1","5","5","2","2","1") = "4"
    & skf21("3","1","1","5","5","2","3","1") = "4"
    & skf21("3","1","1","5","5","2","4","1") = "4"
    & skf21("3","1","1","5","5","2","5","1") = "4"
    & skf21("3","1","1","5","5","2","6","1") = "5"
    & skf21("3","1","1","5","5","2","7","1") = "6"
    & skf21("3","1","1","5","5","3","1","1") = "4"
    & skf21("3","1","1","5","5","3","2","1") = "4"
    & skf21("3","1","1","5","5","3","3","1") = "4"
    & skf21("3","1","1","5","5","3","4","1") = "4"
    & skf21("3","1","1","5","5","3","5","1") = "4"
    & skf21("3","1","1","5","5","3","6","1") = "5"
    & skf21("3","1","1","5","5","3","7","1") = "6"
    & skf21("3","1","1","5","5","4","1","1") = "4"
    & skf21("3","1","1","5","5","4","2","1") = "4"
    & skf21("3","1","1","5","5","4","3","1") = "4"
    & skf21("3","1","1","5","5","4","4","1") = "4"
    & skf21("3","1","1","5","5","4","5","1") = "4"
    & skf21("3","1","1","5","5","4","6","1") = "5"
    & skf21("3","1","1","5","5","4","7","1") = "6"
    & skf21("3","1","1","5","5","5","1","1") = "4"
    & skf21("3","1","1","5","5","5","2","1") = "4"
    & skf21("3","1","1","5","5","5","3","1") = "4"
    & skf21("3","1","1","5","5","5","4","1") = "4"
    & skf21("3","1","1","5","5","5","5","1") = "4"
    & skf21("3","1","1","5","5","5","6","1") = "5"
    & skf21("3","1","1","5","5","5","7","1") = "6"
    & skf21("3","1","1","5","5","6","1","1") = "5"
    & skf21("3","1","1","5","5","6","2","1") = "5"
    & skf21("3","1","1","5","5","6","3","1") = "5"
    & skf21("3","1","1","5","5","6","4","1") = "5"
    & skf21("3","1","1","5","5","6","5","1") = "5"
    & skf21("3","1","1","5","5","6","6","1") = "5"
    & skf21("3","1","1","5","5","6","7","1") = "6"
    & skf21("3","1","1","5","5","7","1","1") = "6"
    & skf21("3","1","1","5","5","7","2","1") = "6"
    & skf21("3","1","1","5","5","7","3","1") = "6"
    & skf21("3","1","1","5","5","7","4","1") = "6"
    & skf21("3","1","1","5","5","7","5","1") = "6"
    & skf21("3","1","1","5","5","7","6","1") = "6"
    & skf21("3","1","1","5","5","7","7","1") = "6"
    & skf21("3","1","1","5","6","1","1","1") = "5"
    & skf21("3","1","1","5","6","1","2","1") = "5"
    & skf21("3","1","1","5","6","1","3","1") = "5"
    & skf21("3","1","1","5","6","1","4","1") = "5"
    & skf21("3","1","1","5","6","1","5","1") = "5"
    & skf21("3","1","1","5","6","1","6","1") = "5"
    & skf21("3","1","1","5","6","1","7","1") = "6"
    & skf21("3","1","1","5","6","2","1","1") = "5"
    & skf21("3","1","1","5","6","2","2","1") = "5"
    & skf21("3","1","1","5","6","2","3","1") = "5"
    & skf21("3","1","1","5","6","2","4","1") = "5"
    & skf21("3","1","1","5","6","2","5","1") = "5"
    & skf21("3","1","1","5","6","2","6","1") = "5"
    & skf21("3","1","1","5","6","2","7","1") = "6"
    & skf21("3","1","1","5","6","3","1","1") = "5"
    & skf21("3","1","1","5","6","3","2","1") = "5"
    & skf21("3","1","1","5","6","3","3","1") = "5"
    & skf21("3","1","1","5","6","3","4","1") = "5"
    & skf21("3","1","1","5","6","3","5","1") = "5"
    & skf21("3","1","1","5","6","3","6","1") = "5"
    & skf21("3","1","1","5","6","3","7","1") = "6"
    & skf21("3","1","1","5","6","4","1","1") = "5"
    & skf21("3","1","1","5","6","4","2","1") = "5"
    & skf21("3","1","1","5","6","4","3","1") = "5"
    & skf21("3","1","1","5","6","4","4","1") = "5"
    & skf21("3","1","1","5","6","4","5","1") = "5"
    & skf21("3","1","1","5","6","4","6","1") = "5"
    & skf21("3","1","1","5","6","4","7","1") = "6"
    & skf21("3","1","1","5","6","5","1","1") = "5"
    & skf21("3","1","1","5","6","5","2","1") = "5"
    & skf21("3","1","1","5","6","5","3","1") = "5"
    & skf21("3","1","1","5","6","5","4","1") = "5"
    & skf21("3","1","1","5","6","5","5","1") = "5"
    & skf21("3","1","1","5","6","5","6","1") = "5"
    & skf21("3","1","1","5","6","5","7","1") = "6"
    & skf21("3","1","1","5","6","6","1","1") = "5"
    & skf21("3","1","1","5","6","6","2","1") = "5"
    & skf21("3","1","1","5","6","6","3","1") = "5"
    & skf21("3","1","1","5","6","6","4","1") = "5"
    & skf21("3","1","1","5","6","6","5","1") = "5"
    & skf21("3","1","1","5","6","6","6","1") = "5"
    & skf21("3","1","1","5","6","6","7","1") = "6"
    & skf21("3","1","1","5","6","7","1","1") = "6"
    & skf21("3","1","1","5","6","7","2","1") = "6"
    & skf21("3","1","1","5","6","7","3","1") = "6"
    & skf21("3","1","1","5","6","7","4","1") = "6"
    & skf21("3","1","1","5","6","7","5","1") = "6"
    & skf21("3","1","1","5","6","7","6","1") = "6"
    & skf21("3","1","1","5","6","7","7","1") = "6"
    & skf21("3","1","1","5","7","1","1","1") = "6"
    & skf21("3","1","1","5","7","1","2","1") = "6"
    & skf21("3","1","1","5","7","1","3","1") = "6"
    & skf21("3","1","1","5","7","1","4","1") = "6"
    & skf21("3","1","1","5","7","1","5","1") = "6"
    & skf21("3","1","1","5","7","1","6","1") = "6"
    & skf21("3","1","1","5","7","1","7","1") = "6"
    & skf21("3","1","1","5","7","2","1","1") = "6"
    & skf21("3","1","1","5","7","2","2","1") = "6"
    & skf21("3","1","1","5","7","2","3","1") = "6"
    & skf21("3","1","1","5","7","2","4","1") = "6"
    & skf21("3","1","1","5","7","2","5","1") = "6"
    & skf21("3","1","1","5","7","2","6","1") = "6"
    & skf21("3","1","1","5","7","2","7","1") = "6"
    & skf21("3","1","1","5","7","3","1","1") = "6"
    & skf21("3","1","1","5","7","3","2","1") = "6"
    & skf21("3","1","1","5","7","3","3","1") = "6"
    & skf21("3","1","1","5","7","3","4","1") = "6"
    & skf21("3","1","1","5","7","3","5","1") = "6"
    & skf21("3","1","1","5","7","3","6","1") = "6"
    & skf21("3","1","1","5","7","3","7","1") = "6"
    & skf21("3","1","1","5","7","4","1","1") = "6"
    & skf21("3","1","1","5","7","4","2","1") = "6"
    & skf21("3","1","1","5","7","4","3","1") = "6"
    & skf21("3","1","1","5","7","4","4","1") = "6"
    & skf21("3","1","1","5","7","4","5","1") = "6"
    & skf21("3","1","1","5","7","4","6","1") = "6"
    & skf21("3","1","1","5","7","4","7","1") = "6"
    & skf21("3","1","1","5","7","5","1","1") = "6"
    & skf21("3","1","1","5","7","5","2","1") = "6"
    & skf21("3","1","1","5","7","5","3","1") = "6"
    & skf21("3","1","1","5","7","5","4","1") = "6"
    & skf21("3","1","1","5","7","5","5","1") = "6"
    & skf21("3","1","1","5","7","5","6","1") = "6"
    & skf21("3","1","1","5","7","5","7","1") = "6"
    & skf21("3","1","1","5","7","6","1","1") = "6"
    & skf21("3","1","1","5","7","6","2","1") = "6"
    & skf21("3","1","1","5","7","6","3","1") = "6"
    & skf21("3","1","1","5","7","6","4","1") = "6"
    & skf21("3","1","1","5","7","6","5","1") = "6"
    & skf21("3","1","1","5","7","6","6","1") = "6"
    & skf21("3","1","1","5","7","6","7","1") = "6"
    & skf21("3","1","1","5","7","7","1","1") = "6"
    & skf21("3","1","1","5","7","7","2","1") = "6"
    & skf21("3","1","1","5","7","7","3","1") = "6"
    & skf21("3","1","1","5","7","7","4","1") = "6"
    & skf21("3","1","1","5","7","7","5","1") = "6"
    & skf21("3","1","1","5","7","7","6","1") = "6"
    & skf21("3","1","1","5","7","7","7","1") = "6"
    & skf21("3","1","1","6","1","1","1","1") = "5"
    & skf21("3","1","1","6","1","1","2","1") = "5"
    & skf21("3","1","1","6","1","1","3","1") = "5"
    & skf21("3","1","1","6","1","1","4","1") = "5"
    & skf21("3","1","1","6","1","1","5","1") = "5"
    & skf21("3","1","1","6","1","1","6","1") = "5"
    & skf21("3","1","1","6","1","1","7","1") = "6"
    & skf21("3","1","1","6","1","2","1","1") = "5"
    & skf21("3","1","1","6","1","2","2","1") = "5"
    & skf21("3","1","1","6","1","2","3","1") = "5"
    & skf21("3","1","1","6","1","2","4","1") = "5"
    & skf21("3","1","1","6","1","2","5","1") = "5"
    & skf21("3","1","1","6","1","2","6","1") = "5"
    & skf21("3","1","1","6","1","2","7","1") = "6"
    & skf21("3","1","1","6","1","3","1","1") = "5"
    & skf21("3","1","1","6","1","3","2","1") = "5"
    & skf21("3","1","1","6","1","3","3","1") = "5"
    & skf21("3","1","1","6","1","3","4","1") = "5"
    & skf21("3","1","1","6","1","3","5","1") = "5"
    & skf21("3","1","1","6","1","3","6","1") = "5"
    & skf21("3","1","1","6","1","3","7","1") = "6"
    & skf21("3","1","1","6","1","4","1","1") = "5"
    & skf21("3","1","1","6","1","4","2","1") = "5"
    & skf21("3","1","1","6","1","4","3","1") = "5"
    & skf21("3","1","1","6","1","4","4","1") = "5"
    & skf21("3","1","1","6","1","4","5","1") = "5"
    & skf21("3","1","1","6","1","4","6","1") = "5"
    & skf21("3","1","1","6","1","4","7","1") = "6"
    & skf21("3","1","1","6","1","5","1","1") = "5"
    & skf21("3","1","1","6","1","5","2","1") = "5"
    & skf21("3","1","1","6","1","5","3","1") = "5"
    & skf21("3","1","1","6","1","5","4","1") = "5"
    & skf21("3","1","1","6","1","5","5","1") = "5"
    & skf21("3","1","1","6","1","5","6","1") = "5"
    & skf21("3","1","1","6","1","5","7","1") = "6"
    & skf21("3","1","1","6","1","6","1","1") = "5"
    & skf21("3","1","1","6","1","6","2","1") = "5"
    & skf21("3","1","1","6","1","6","3","1") = "5"
    & skf21("3","1","1","6","1","6","4","1") = "5"
    & skf21("3","1","1","6","1","6","5","1") = "5"
    & skf21("3","1","1","6","1","6","6","1") = "5"
    & skf21("3","1","1","6","1","6","7","1") = "6"
    & skf21("3","1","1","6","1","7","1","1") = "6"
    & skf21("3","1","1","6","1","7","2","1") = "6"
    & skf21("3","1","1","6","1","7","3","1") = "6"
    & skf21("3","1","1","6","1","7","4","1") = "6"
    & skf21("3","1","1","6","1","7","5","1") = "6"
    & skf21("3","1","1","6","1","7","6","1") = "6"
    & skf21("3","1","1","6","1","7","7","1") = "6"
    & skf21("3","1","1","6","2","1","1","1") = "5"
    & skf21("3","1","1","6","2","1","2","1") = "5"
    & skf21("3","1","1","6","2","1","3","1") = "5"
    & skf21("3","1","1","6","2","1","4","1") = "5"
    & skf21("3","1","1","6","2","1","5","1") = "5"
    & skf21("3","1","1","6","2","1","6","1") = "5"
    & skf21("3","1","1","6","2","1","7","1") = "6"
    & skf21("3","1","1","6","2","2","1","1") = "5"
    & skf21("3","1","1","6","2","2","2","1") = "5"
    & skf21("3","1","1","6","2","2","3","1") = "5"
    & skf21("3","1","1","6","2","2","4","1") = "5"
    & skf21("3","1","1","6","2","2","5","1") = "5"
    & skf21("3","1","1","6","2","2","6","1") = "5"
    & skf21("3","1","1","6","2","2","7","1") = "6"
    & skf21("3","1","1","6","2","3","1","1") = "5"
    & skf21("3","1","1","6","2","3","2","1") = "5"
    & skf21("3","1","1","6","2","3","3","1") = "5"
    & skf21("3","1","1","6","2","3","4","1") = "5"
    & skf21("3","1","1","6","2","3","5","1") = "5"
    & skf21("3","1","1","6","2","3","6","1") = "5"
    & skf21("3","1","1","6","2","3","7","1") = "6"
    & skf21("3","1","1","6","2","4","1","1") = "5"
    & skf21("3","1","1","6","2","4","2","1") = "5"
    & skf21("3","1","1","6","2","4","3","1") = "5"
    & skf21("3","1","1","6","2","4","4","1") = "5"
    & skf21("3","1","1","6","2","4","5","1") = "5"
    & skf21("3","1","1","6","2","4","6","1") = "5"
    & skf21("3","1","1","6","2","4","7","1") = "6"
    & skf21("3","1","1","6","2","5","1","1") = "5"
    & skf21("3","1","1","6","2","5","2","1") = "5"
    & skf21("3","1","1","6","2","5","3","1") = "5"
    & skf21("3","1","1","6","2","5","4","1") = "5"
    & skf21("3","1","1","6","2","5","5","1") = "5"
    & skf21("3","1","1","6","2","5","6","1") = "5"
    & skf21("3","1","1","6","2","5","7","1") = "6"
    & skf21("3","1","1","6","2","6","1","1") = "5"
    & skf21("3","1","1","6","2","6","2","1") = "5"
    & skf21("3","1","1","6","2","6","3","1") = "5"
    & skf21("3","1","1","6","2","6","4","1") = "5"
    & skf21("3","1","1","6","2","6","5","1") = "5"
    & skf21("3","1","1","6","2","6","6","1") = "5"
    & skf21("3","1","1","6","2","6","7","1") = "6"
    & skf21("3","1","1","6","2","7","1","1") = "6"
    & skf21("3","1","1","6","2","7","2","1") = "6"
    & skf21("3","1","1","6","2","7","3","1") = "6"
    & skf21("3","1","1","6","2","7","4","1") = "6"
    & skf21("3","1","1","6","2","7","5","1") = "6"
    & skf21("3","1","1","6","2","7","6","1") = "6"
    & skf21("3","1","1","6","2","7","7","1") = "6"
    & skf21("3","1","1","6","3","1","1","1") = "5"
    & skf21("3","1","1","6","3","1","2","1") = "5"
    & skf21("3","1","1","6","3","1","3","1") = "5"
    & skf21("3","1","1","6","3","1","4","1") = "5"
    & skf21("3","1","1","6","3","1","5","1") = "5"
    & skf21("3","1","1","6","3","1","6","1") = "5"
    & skf21("3","1","1","6","3","1","7","1") = "6"
    & skf21("3","1","1","6","3","2","1","1") = "5"
    & skf21("3","1","1","6","3","2","2","1") = "5"
    & skf21("3","1","1","6","3","2","3","1") = "5"
    & skf21("3","1","1","6","3","2","4","1") = "5"
    & skf21("3","1","1","6","3","2","5","1") = "5"
    & skf21("3","1","1","6","3","2","6","1") = "5"
    & skf21("3","1","1","6","3","2","7","1") = "6"
    & skf21("3","1","1","6","3","3","1","1") = "5"
    & skf21("3","1","1","6","3","3","2","1") = "5"
    & skf21("3","1","1","6","3","3","3","1") = "5"
    & skf21("3","1","1","6","3","3","4","1") = "5"
    & skf21("3","1","1","6","3","3","5","1") = "5"
    & skf21("3","1","1","6","3","3","6","1") = "5"
    & skf21("3","1","1","6","3","3","7","1") = "6"
    & skf21("3","1","1","6","3","4","1","1") = "5"
    & skf21("3","1","1","6","3","4","2","1") = "5"
    & skf21("3","1","1","6","3","4","3","1") = "5"
    & skf21("3","1","1","6","3","4","4","1") = "5"
    & skf21("3","1","1","6","3","4","5","1") = "5"
    & skf21("3","1","1","6","3","4","6","1") = "5"
    & skf21("3","1","1","6","3","4","7","1") = "6"
    & skf21("3","1","1","6","3","5","1","1") = "5"
    & skf21("3","1","1","6","3","5","2","1") = "5"
    & skf21("3","1","1","6","3","5","3","1") = "5"
    & skf21("3","1","1","6","3","5","4","1") = "5"
    & skf21("3","1","1","6","3","5","5","1") = "5"
    & skf21("3","1","1","6","3","5","6","1") = "5"
    & skf21("3","1","1","6","3","5","7","1") = "6"
    & skf21("3","1","1","6","3","6","1","1") = "5"
    & skf21("3","1","1","6","3","6","2","1") = "5"
    & skf21("3","1","1","6","3","6","3","1") = "5"
    & skf21("3","1","1","6","3","6","4","1") = "5"
    & skf21("3","1","1","6","3","6","5","1") = "5"
    & skf21("3","1","1","6","3","6","6","1") = "5"
    & skf21("3","1","1","6","3","6","7","1") = "6"
    & skf21("3","1","1","6","3","7","1","1") = "6"
    & skf21("3","1","1","6","3","7","2","1") = "6"
    & skf21("3","1","1","6","3","7","3","1") = "6"
    & skf21("3","1","1","6","3","7","4","1") = "6"
    & skf21("3","1","1","6","3","7","5","1") = "6"
    & skf21("3","1","1","6","3","7","6","1") = "6"
    & skf21("3","1","1","6","3","7","7","1") = "6"
    & skf21("3","1","1","6","4","1","1","1") = "5"
    & skf21("3","1","1","6","4","1","2","1") = "5"
    & skf21("3","1","1","6","4","1","3","1") = "5"
    & skf21("3","1","1","6","4","1","4","1") = "5"
    & skf21("3","1","1","6","4","1","5","1") = "5"
    & skf21("3","1","1","6","4","1","6","1") = "5"
    & skf21("3","1","1","6","4","1","7","1") = "6"
    & skf21("3","1","1","6","4","2","1","1") = "5"
    & skf21("3","1","1","6","4","2","2","1") = "5"
    & skf21("3","1","1","6","4","2","3","1") = "5"
    & skf21("3","1","1","6","4","2","4","1") = "5"
    & skf21("3","1","1","6","4","2","5","1") = "5"
    & skf21("3","1","1","6","4","2","6","1") = "5"
    & skf21("3","1","1","6","4","2","7","1") = "6"
    & skf21("3","1","1","6","4","3","1","1") = "5"
    & skf21("3","1","1","6","4","3","2","1") = "5"
    & skf21("3","1","1","6","4","3","3","1") = "5"
    & skf21("3","1","1","6","4","3","4","1") = "5"
    & skf21("3","1","1","6","4","3","5","1") = "5"
    & skf21("3","1","1","6","4","3","6","1") = "5"
    & skf21("3","1","1","6","4","3","7","1") = "6"
    & skf21("3","1","1","6","4","4","1","1") = "5"
    & skf21("3","1","1","6","4","4","2","1") = "5"
    & skf21("3","1","1","6","4","4","3","1") = "5"
    & skf21("3","1","1","6","4","4","4","1") = "5"
    & skf21("3","1","1","6","4","4","5","1") = "5"
    & skf21("3","1","1","6","4","4","6","1") = "5"
    & skf21("3","1","1","6","4","4","7","1") = "6"
    & skf21("3","1","1","6","4","5","1","1") = "5"
    & skf21("3","1","1","6","4","5","2","1") = "5"
    & skf21("3","1","1","6","4","5","3","1") = "5"
    & skf21("3","1","1","6","4","5","4","1") = "5"
    & skf21("3","1","1","6","4","5","5","1") = "5"
    & skf21("3","1","1","6","4","5","6","1") = "5"
    & skf21("3","1","1","6","4","5","7","1") = "6"
    & skf21("3","1","1","6","4","6","1","1") = "5"
    & skf21("3","1","1","6","4","6","2","1") = "5"
    & skf21("3","1","1","6","4","6","3","1") = "5"
    & skf21("3","1","1","6","4","6","4","1") = "5"
    & skf21("3","1","1","6","4","6","5","1") = "5"
    & skf21("3","1","1","6","4","6","6","1") = "5"
    & skf21("3","1","1","6","4","6","7","1") = "6"
    & skf21("3","1","1","6","4","7","1","1") = "6"
    & skf21("3","1","1","6","4","7","2","1") = "6"
    & skf21("3","1","1","6","4","7","3","1") = "6"
    & skf21("3","1","1","6","4","7","4","1") = "6"
    & skf21("3","1","1","6","4","7","5","1") = "6"
    & skf21("3","1","1","6","4","7","6","1") = "6"
    & skf21("3","1","1","6","4","7","7","1") = "6"
    & skf21("3","1","1","6","5","1","1","1") = "5"
    & skf21("3","1","1","6","5","1","2","1") = "5"
    & skf21("3","1","1","6","5","1","3","1") = "5"
    & skf21("3","1","1","6","5","1","4","1") = "5"
    & skf21("3","1","1","6","5","1","5","1") = "5"
    & skf21("3","1","1","6","5","1","6","1") = "5"
    & skf21("3","1","1","6","5","1","7","1") = "6"
    & skf21("3","1","1","6","5","2","1","1") = "5"
    & skf21("3","1","1","6","5","2","2","1") = "5"
    & skf21("3","1","1","6","5","2","3","1") = "5"
    & skf21("3","1","1","6","5","2","4","1") = "5"
    & skf21("3","1","1","6","5","2","5","1") = "5"
    & skf21("3","1","1","6","5","2","6","1") = "5"
    & skf21("3","1","1","6","5","2","7","1") = "6"
    & skf21("3","1","1","6","5","3","1","1") = "5"
    & skf21("3","1","1","6","5","3","2","1") = "5"
    & skf21("3","1","1","6","5","3","3","1") = "5"
    & skf21("3","1","1","6","5","3","4","1") = "5"
    & skf21("3","1","1","6","5","3","5","1") = "5"
    & skf21("3","1","1","6","5","3","6","1") = "5"
    & skf21("3","1","1","6","5","3","7","1") = "6"
    & skf21("3","1","1","6","5","4","1","1") = "5"
    & skf21("3","1","1","6","5","4","2","1") = "5"
    & skf21("3","1","1","6","5","4","3","1") = "5"
    & skf21("3","1","1","6","5","4","4","1") = "5"
    & skf21("3","1","1","6","5","4","5","1") = "5"
    & skf21("3","1","1","6","5","4","6","1") = "5"
    & skf21("3","1","1","6","5","4","7","1") = "6"
    & skf21("3","1","1","6","5","5","1","1") = "5"
    & skf21("3","1","1","6","5","5","2","1") = "5"
    & skf21("3","1","1","6","5","5","3","1") = "5"
    & skf21("3","1","1","6","5","5","4","1") = "5"
    & skf21("3","1","1","6","5","5","5","1") = "5"
    & skf21("3","1","1","6","5","5","6","1") = "5"
    & skf21("3","1","1","6","5","5","7","1") = "6"
    & skf21("3","1","1","6","5","6","1","1") = "5"
    & skf21("3","1","1","6","5","6","2","1") = "5"
    & skf21("3","1","1","6","5","6","3","1") = "5"
    & skf21("3","1","1","6","5","6","4","1") = "5"
    & skf21("3","1","1","6","5","6","5","1") = "5"
    & skf21("3","1","1","6","5","6","6","1") = "5"
    & skf21("3","1","1","6","5","6","7","1") = "6"
    & skf21("3","1","1","6","5","7","1","1") = "6"
    & skf21("3","1","1","6","5","7","2","1") = "6"
    & skf21("3","1","1","6","5","7","3","1") = "6"
    & skf21("3","1","1","6","5","7","4","1") = "6"
    & skf21("3","1","1","6","5","7","5","1") = "6"
    & skf21("3","1","1","6","5","7","6","1") = "6"
    & skf21("3","1","1","6","5","7","7","1") = "6"
    & skf21("3","1","1","6","6","1","1","1") = "5"
    & skf21("3","1","1","6","6","1","2","1") = "5"
    & skf21("3","1","1","6","6","1","3","1") = "5"
    & skf21("3","1","1","6","6","1","4","1") = "5"
    & skf21("3","1","1","6","6","1","5","1") = "5"
    & skf21("3","1","1","6","6","1","6","1") = "5"
    & skf21("3","1","1","6","6","1","7","1") = "6"
    & skf21("3","1","1","6","6","2","1","1") = "5"
    & skf21("3","1","1","6","6","2","2","1") = "5"
    & skf21("3","1","1","6","6","2","3","1") = "5"
    & skf21("3","1","1","6","6","2","4","1") = "5"
    & skf21("3","1","1","6","6","2","5","1") = "5"
    & skf21("3","1","1","6","6","2","6","1") = "5"
    & skf21("3","1","1","6","6","2","7","1") = "6"
    & skf21("3","1","1","6","6","3","1","1") = "5"
    & skf21("3","1","1","6","6","3","2","1") = "5"
    & skf21("3","1","1","6","6","3","3","1") = "5"
    & skf21("3","1","1","6","6","3","4","1") = "5"
    & skf21("3","1","1","6","6","3","5","1") = "5"
    & skf21("3","1","1","6","6","3","6","1") = "5"
    & skf21("3","1","1","6","6","3","7","1") = "6"
    & skf21("3","1","1","6","6","4","1","1") = "5"
    & skf21("3","1","1","6","6","4","2","1") = "5"
    & skf21("3","1","1","6","6","4","3","1") = "5"
    & skf21("3","1","1","6","6","4","4","1") = "5"
    & skf21("3","1","1","6","6","4","5","1") = "5"
    & skf21("3","1","1","6","6","4","6","1") = "5"
    & skf21("3","1","1","6","6","4","7","1") = "6"
    & skf21("3","1","1","6","6","5","1","1") = "5"
    & skf21("3","1","1","6","6","5","2","1") = "5"
    & skf21("3","1","1","6","6","5","3","1") = "5"
    & skf21("3","1","1","6","6","5","4","1") = "5"
    & skf21("3","1","1","6","6","5","5","1") = "5"
    & skf21("3","1","1","6","6","5","6","1") = "5"
    & skf21("3","1","1","6","6","5","7","1") = "6"
    & skf21("3","1","1","6","6","6","1","1") = "5"
    & skf21("3","1","1","6","6","6","2","1") = "5"
    & skf21("3","1","1","6","6","6","3","1") = "5"
    & skf21("3","1","1","6","6","6","4","1") = "5"
    & skf21("3","1","1","6","6","6","5","1") = "5"
    & skf21("3","1","1","6","6","6","6","1") = "5"
    & skf21("3","1","1","6","6","6","7","1") = "6"
    & skf21("3","1","1","6","6","7","1","1") = "6"
    & skf21("3","1","1","6","6","7","2","1") = "6"
    & skf21("3","1","1","6","6","7","3","1") = "6"
    & skf21("3","1","1","6","6","7","4","1") = "6"
    & skf21("3","1","1","6","6","7","5","1") = "6"
    & skf21("3","1","1","6","6","7","6","1") = "6"
    & skf21("3","1","1","6","6","7","7","1") = "6"
    & skf21("3","1","1","6","7","1","1","1") = "6"
    & skf21("3","1","1","6","7","1","2","1") = "6"
    & skf21("3","1","1","6","7","1","3","1") = "6"
    & skf21("3","1","1","6","7","1","4","1") = "6"
    & skf21("3","1","1","6","7","1","5","1") = "6"
    & skf21("3","1","1","6","7","1","6","1") = "6"
    & skf21("3","1","1","6","7","1","7","1") = "6"
    & skf21("3","1","1","6","7","2","1","1") = "6"
    & skf21("3","1","1","6","7","2","2","1") = "6"
    & skf21("3","1","1","6","7","2","3","1") = "6"
    & skf21("3","1","1","6","7","2","4","1") = "6"
    & skf21("3","1","1","6","7","2","5","1") = "6"
    & skf21("3","1","1","6","7","2","6","1") = "6"
    & skf21("3","1","1","6","7","2","7","1") = "6"
    & skf21("3","1","1","6","7","3","1","1") = "6"
    & skf21("3","1","1","6","7","3","2","1") = "6"
    & skf21("3","1","1","6","7","3","3","1") = "6"
    & skf21("3","1","1","6","7","3","4","1") = "6"
    & skf21("3","1","1","6","7","3","5","1") = "6"
    & skf21("3","1","1","6","7","3","6","1") = "6"
    & skf21("3","1","1","6","7","3","7","1") = "6"
    & skf21("3","1","1","6","7","4","1","1") = "6"
    & skf21("3","1","1","6","7","4","2","1") = "6"
    & skf21("3","1","1","6","7","4","3","1") = "6"
    & skf21("3","1","1","6","7","4","4","1") = "6"
    & skf21("3","1","1","6","7","4","5","1") = "6"
    & skf21("3","1","1","6","7","4","6","1") = "6"
    & skf21("3","1","1","6","7","4","7","1") = "6"
    & skf21("3","1","1","6","7","5","1","1") = "6"
    & skf21("3","1","1","6","7","5","2","1") = "6"
    & skf21("3","1","1","6","7","5","3","1") = "6"
    & skf21("3","1","1","6","7","5","4","1") = "6"
    & skf21("3","1","1","6","7","5","5","1") = "6"
    & skf21("3","1","1","6","7","5","6","1") = "6"
    & skf21("3","1","1","6","7","5","7","1") = "6"
    & skf21("3","1","1","6","7","6","1","1") = "6"
    & skf21("3","1","1","6","7","6","2","1") = "6"
    & skf21("3","1","1","6","7","6","3","1") = "6"
    & skf21("3","1","1","6","7","6","4","1") = "6"
    & skf21("3","1","1","6","7","6","5","1") = "6"
    & skf21("3","1","1","6","7","6","6","1") = "6"
    & skf21("3","1","1","6","7","6","7","1") = "6"
    & skf21("3","1","1","6","7","7","1","1") = "6"
    & skf21("3","1","1","6","7","7","2","1") = "6"
    & skf21("3","1","1","6","7","7","3","1") = "6"
    & skf21("3","1","1","6","7","7","4","1") = "6"
    & skf21("3","1","1","6","7","7","5","1") = "6"
    & skf21("3","1","1","6","7","7","6","1") = "6"
    & skf21("3","1","1","6","7","7","7","1") = "6"
    & skf21("3","1","1","7","1","1","1","1") = "6"
    & skf21("3","1","1","7","1","1","2","1") = "6"
    & skf21("3","1","1","7","1","1","3","1") = "6"
    & skf21("3","1","1","7","1","1","4","1") = "6"
    & skf21("3","1","1","7","1","1","5","1") = "6"
    & skf21("3","1","1","7","1","1","6","1") = "6"
    & skf21("3","1","1","7","1","1","7","1") = "6"
    & skf21("3","1","1","7","1","2","1","1") = "6"
    & skf21("3","1","1","7","1","2","2","1") = "6"
    & skf21("3","1","1","7","1","2","3","1") = "6"
    & skf21("3","1","1","7","1","2","4","1") = "6"
    & skf21("3","1","1","7","1","2","5","1") = "6"
    & skf21("3","1","1","7","1","2","6","1") = "6"
    & skf21("3","1","1","7","1","2","7","1") = "6"
    & skf21("3","1","1","7","1","3","1","1") = "6"
    & skf21("3","1","1","7","1","3","2","1") = "6"
    & skf21("3","1","1","7","1","3","3","1") = "6"
    & skf21("3","1","1","7","1","3","4","1") = "6"
    & skf21("3","1","1","7","1","3","5","1") = "6"
    & skf21("3","1","1","7","1","3","6","1") = "6"
    & skf21("3","1","1","7","1","3","7","1") = "6"
    & skf21("3","1","1","7","1","4","1","1") = "6"
    & skf21("3","1","1","7","1","4","2","1") = "6"
    & skf21("3","1","1","7","1","4","3","1") = "6"
    & skf21("3","1","1","7","1","4","4","1") = "6"
    & skf21("3","1","1","7","1","4","5","1") = "6"
    & skf21("3","1","1","7","1","4","6","1") = "6"
    & skf21("3","1","1","7","1","4","7","1") = "6"
    & skf21("3","1","1","7","1","5","1","1") = "6"
    & skf21("3","1","1","7","1","5","2","1") = "6"
    & skf21("3","1","1","7","1","5","3","1") = "6"
    & skf21("3","1","1","7","1","5","4","1") = "6"
    & skf21("3","1","1","7","1","5","5","1") = "6"
    & skf21("3","1","1","7","1","5","6","1") = "6"
    & skf21("3","1","1","7","1","5","7","1") = "6"
    & skf21("3","1","1","7","1","6","1","1") = "6"
    & skf21("3","1","1","7","1","6","2","1") = "6"
    & skf21("3","1","1","7","1","6","3","1") = "6"
    & skf21("3","1","1","7","1","6","4","1") = "6"
    & skf21("3","1","1","7","1","6","5","1") = "6"
    & skf21("3","1","1","7","1","6","6","1") = "6"
    & skf21("3","1","1","7","1","6","7","1") = "6"
    & skf21("3","1","1","7","1","7","1","1") = "6"
    & skf21("3","1","1","7","1","7","2","1") = "6"
    & skf21("3","1","1","7","1","7","3","1") = "6"
    & skf21("3","1","1","7","1","7","4","1") = "6"
    & skf21("3","1","1","7","1","7","5","1") = "6"
    & skf21("3","1","1","7","1","7","6","1") = "6"
    & skf21("3","1","1","7","1","7","7","1") = "6"
    & skf21("3","1","1","7","2","1","1","1") = "6"
    & skf21("3","1","1","7","2","1","2","1") = "6"
    & skf21("3","1","1","7","2","1","3","1") = "6"
    & skf21("3","1","1","7","2","1","4","1") = "6"
    & skf21("3","1","1","7","2","1","5","1") = "6"
    & skf21("3","1","1","7","2","1","6","1") = "6"
    & skf21("3","1","1","7","2","1","7","1") = "6"
    & skf21("3","1","1","7","2","2","1","1") = "6"
    & skf21("3","1","1","7","2","2","2","1") = "6"
    & skf21("3","1","1","7","2","2","3","1") = "6"
    & skf21("3","1","1","7","2","2","4","1") = "6"
    & skf21("3","1","1","7","2","2","5","1") = "6"
    & skf21("3","1","1","7","2","2","6","1") = "6"
    & skf21("3","1","1","7","2","2","7","1") = "6"
    & skf21("3","1","1","7","2","3","1","1") = "6"
    & skf21("3","1","1","7","2","3","2","1") = "6"
    & skf21("3","1","1","7","2","3","3","1") = "6"
    & skf21("3","1","1","7","2","3","4","1") = "6"
    & skf21("3","1","1","7","2","3","5","1") = "6"
    & skf21("3","1","1","7","2","3","6","1") = "6"
    & skf21("3","1","1","7","2","3","7","1") = "6"
    & skf21("3","1","1","7","2","4","1","1") = "6"
    & skf21("3","1","1","7","2","4","2","1") = "6"
    & skf21("3","1","1","7","2","4","3","1") = "6"
    & skf21("3","1","1","7","2","4","4","1") = "6"
    & skf21("3","1","1","7","2","4","5","1") = "6"
    & skf21("3","1","1","7","2","4","6","1") = "6"
    & skf21("3","1","1","7","2","4","7","1") = "6"
    & skf21("3","1","1","7","2","5","1","1") = "6"
    & skf21("3","1","1","7","2","5","2","1") = "6"
    & skf21("3","1","1","7","2","5","3","1") = "6"
    & skf21("3","1","1","7","2","5","4","1") = "6"
    & skf21("3","1","1","7","2","5","5","1") = "6"
    & skf21("3","1","1","7","2","5","6","1") = "6"
    & skf21("3","1","1","7","2","5","7","1") = "6"
    & skf21("3","1","1","7","2","6","1","1") = "6"
    & skf21("3","1","1","7","2","6","2","1") = "6"
    & skf21("3","1","1","7","2","6","3","1") = "6"
    & skf21("3","1","1","7","2","6","4","1") = "6"
    & skf21("3","1","1","7","2","6","5","1") = "6"
    & skf21("3","1","1","7","2","6","6","1") = "6"
    & skf21("3","1","1","7","2","6","7","1") = "6"
    & skf21("3","1","1","7","2","7","1","1") = "6"
    & skf21("3","1","1","7","2","7","2","1") = "6"
    & skf21("3","1","1","7","2","7","3","1") = "6"
    & skf21("3","1","1","7","2","7","4","1") = "6"
    & skf21("3","1","1","7","2","7","5","1") = "6"
    & skf21("3","1","1","7","2","7","6","1") = "6"
    & skf21("3","1","1","7","2","7","7","1") = "6"
    & skf21("3","1","1","7","3","1","1","1") = "6"
    & skf21("3","1","1","7","3","1","2","1") = "6"
    & skf21("3","1","1","7","3","1","3","1") = "6"
    & skf21("3","1","1","7","3","1","4","1") = "6"
    & skf21("3","1","1","7","3","1","5","1") = "6"
    & skf21("3","1","1","7","3","1","6","1") = "6"
    & skf21("3","1","1","7","3","1","7","1") = "6"
    & skf21("3","1","1","7","3","2","1","1") = "6"
    & skf21("3","1","1","7","3","2","2","1") = "6"
    & skf21("3","1","1","7","3","2","3","1") = "6"
    & skf21("3","1","1","7","3","2","4","1") = "6"
    & skf21("3","1","1","7","3","2","5","1") = "6"
    & skf21("3","1","1","7","3","2","6","1") = "6"
    & skf21("3","1","1","7","3","2","7","1") = "6"
    & skf21("3","1","1","7","3","3","1","1") = "6"
    & skf21("3","1","1","7","3","3","2","1") = "6"
    & skf21("3","1","1","7","3","3","3","1") = "6"
    & skf21("3","1","1","7","3","3","4","1") = "6"
    & skf21("3","1","1","7","3","3","5","1") = "6"
    & skf21("3","1","1","7","3","3","6","1") = "6"
    & skf21("3","1","1","7","3","3","7","1") = "6"
    & skf21("3","1","1","7","3","4","1","1") = "6"
    & skf21("3","1","1","7","3","4","2","1") = "6"
    & skf21("3","1","1","7","3","4","3","1") = "6"
    & skf21("3","1","1","7","3","4","4","1") = "6"
    & skf21("3","1","1","7","3","4","5","1") = "6"
    & skf21("3","1","1","7","3","4","6","1") = "6"
    & skf21("3","1","1","7","3","4","7","1") = "6"
    & skf21("3","1","1","7","3","5","1","1") = "6"
    & skf21("3","1","1","7","3","5","2","1") = "6"
    & skf21("3","1","1","7","3","5","3","1") = "6"
    & skf21("3","1","1","7","3","5","4","1") = "6"
    & skf21("3","1","1","7","3","5","5","1") = "6"
    & skf21("3","1","1","7","3","5","6","1") = "6"
    & skf21("3","1","1","7","3","5","7","1") = "6"
    & skf21("3","1","1","7","3","6","1","1") = "6"
    & skf21("3","1","1","7","3","6","2","1") = "6"
    & skf21("3","1","1","7","3","6","3","1") = "6"
    & skf21("3","1","1","7","3","6","4","1") = "6"
    & skf21("3","1","1","7","3","6","5","1") = "6"
    & skf21("3","1","1","7","3","6","6","1") = "6"
    & skf21("3","1","1","7","3","6","7","1") = "6"
    & skf21("3","1","1","7","3","7","1","1") = "6"
    & skf21("3","1","1","7","3","7","2","1") = "6"
    & skf21("3","1","1","7","3","7","3","1") = "6"
    & skf21("3","1","1","7","3","7","4","1") = "6"
    & skf21("3","1","1","7","3","7","5","1") = "6"
    & skf21("3","1","1","7","3","7","6","1") = "6"
    & skf21("3","1","1","7","3","7","7","1") = "6"
    & skf21("3","1","1","7","4","1","1","1") = "6"
    & skf21("3","1","1","7","4","1","2","1") = "6"
    & skf21("3","1","1","7","4","1","3","1") = "6"
    & skf21("3","1","1","7","4","1","4","1") = "6"
    & skf21("3","1","1","7","4","1","5","1") = "6"
    & skf21("3","1","1","7","4","1","6","1") = "6"
    & skf21("3","1","1","7","4","1","7","1") = "6"
    & skf21("3","1","1","7","4","2","1","1") = "6"
    & skf21("3","1","1","7","4","2","2","1") = "6"
    & skf21("3","1","1","7","4","2","3","1") = "6"
    & skf21("3","1","1","7","4","2","4","1") = "6"
    & skf21("3","1","1","7","4","2","5","1") = "6"
    & skf21("3","1","1","7","4","2","6","1") = "6"
    & skf21("3","1","1","7","4","2","7","1") = "6"
    & skf21("3","1","1","7","4","3","1","1") = "6"
    & skf21("3","1","1","7","4","3","2","1") = "6"
    & skf21("3","1","1","7","4","3","3","1") = "6"
    & skf21("3","1","1","7","4","3","4","1") = "6"
    & skf21("3","1","1","7","4","3","5","1") = "6"
    & skf21("3","1","1","7","4","3","6","1") = "6"
    & skf21("3","1","1","7","4","3","7","1") = "6"
    & skf21("3","1","1","7","4","4","1","1") = "6"
    & skf21("3","1","1","7","4","4","2","1") = "6"
    & skf21("3","1","1","7","4","4","3","1") = "6"
    & skf21("3","1","1","7","4","4","4","1") = "6"
    & skf21("3","1","1","7","4","4","5","1") = "6"
    & skf21("3","1","1","7","4","4","6","1") = "6"
    & skf21("3","1","1","7","4","4","7","1") = "6"
    & skf21("3","1","1","7","4","5","1","1") = "6"
    & skf21("3","1","1","7","4","5","2","1") = "6"
    & skf21("3","1","1","7","4","5","3","1") = "6"
    & skf21("3","1","1","7","4","5","4","1") = "6"
    & skf21("3","1","1","7","4","5","5","1") = "6"
    & skf21("3","1","1","7","4","5","6","1") = "6"
    & skf21("3","1","1","7","4","5","7","1") = "6"
    & skf21("3","1","1","7","4","6","1","1") = "6"
    & skf21("3","1","1","7","4","6","2","1") = "6"
    & skf21("3","1","1","7","4","6","3","1") = "6"
    & skf21("3","1","1","7","4","6","4","1") = "6"
    & skf21("3","1","1","7","4","6","5","1") = "6"
    & skf21("3","1","1","7","4","6","6","1") = "6"
    & skf21("3","1","1","7","4","6","7","1") = "6"
    & skf21("3","1","1","7","4","7","1","1") = "6"
    & skf21("3","1","1","7","4","7","2","1") = "6"
    & skf21("3","1","1","7","4","7","3","1") = "6"
    & skf21("3","1","1","7","4","7","4","1") = "6"
    & skf21("3","1","1","7","4","7","5","1") = "6"
    & skf21("3","1","1","7","4","7","6","1") = "6"
    & skf21("3","1","1","7","4","7","7","1") = "6"
    & skf21("3","1","1","7","5","1","1","1") = "6"
    & skf21("3","1","1","7","5","1","2","1") = "6"
    & skf21("3","1","1","7","5","1","3","1") = "6"
    & skf21("3","1","1","7","5","1","4","1") = "6"
    & skf21("3","1","1","7","5","1","5","1") = "6"
    & skf21("3","1","1","7","5","1","6","1") = "6"
    & skf21("3","1","1","7","5","1","7","1") = "6"
    & skf21("3","1","1","7","5","2","1","1") = "6"
    & skf21("3","1","1","7","5","2","2","1") = "6"
    & skf21("3","1","1","7","5","2","3","1") = "6"
    & skf21("3","1","1","7","5","2","4","1") = "6"
    & skf21("3","1","1","7","5","2","5","1") = "6"
    & skf21("3","1","1","7","5","2","6","1") = "6"
    & skf21("3","1","1","7","5","2","7","1") = "6"
    & skf21("3","1","1","7","5","3","1","1") = "6"
    & skf21("3","1","1","7","5","3","2","1") = "6"
    & skf21("3","1","1","7","5","3","3","1") = "6"
    & skf21("3","1","1","7","5","3","4","1") = "6"
    & skf21("3","1","1","7","5","3","5","1") = "6"
    & skf21("3","1","1","7","5","3","6","1") = "6"
    & skf21("3","1","1","7","5","3","7","1") = "6"
    & skf21("3","1","1","7","5","4","1","1") = "6"
    & skf21("3","1","1","7","5","4","2","1") = "6"
    & skf21("3","1","1","7","5","4","3","1") = "6"
    & skf21("3","1","1","7","5","4","4","1") = "6"
    & skf21("3","1","1","7","5","4","5","1") = "6"
    & skf21("3","1","1","7","5","4","6","1") = "6"
    & skf21("3","1","1","7","5","4","7","1") = "6"
    & skf21("3","1","1","7","5","5","1","1") = "6"
    & skf21("3","1","1","7","5","5","2","1") = "6"
    & skf21("3","1","1","7","5","5","3","1") = "6"
    & skf21("3","1","1","7","5","5","4","1") = "6"
    & skf21("3","1","1","7","5","5","5","1") = "6"
    & skf21("3","1","1","7","5","5","6","1") = "6"
    & skf21("3","1","1","7","5","5","7","1") = "6"
    & skf21("3","1","1","7","5","6","1","1") = "6"
    & skf21("3","1","1","7","5","6","2","1") = "6"
    & skf21("3","1","1","7","5","6","3","1") = "6"
    & skf21("3","1","1","7","5","6","4","1") = "6"
    & skf21("3","1","1","7","5","6","5","1") = "6"
    & skf21("3","1","1","7","5","6","6","1") = "6"
    & skf21("3","1","1","7","5","6","7","1") = "6"
    & skf21("3","1","1","7","5","7","1","1") = "6"
    & skf21("3","1","1","7","5","7","2","1") = "6"
    & skf21("3","1","1","7","5","7","3","1") = "6"
    & skf21("3","1","1","7","5","7","4","1") = "6"
    & skf21("3","1","1","7","5","7","5","1") = "6"
    & skf21("3","1","1","7","5","7","6","1") = "6"
    & skf21("3","1","1","7","5","7","7","1") = "6"
    & skf21("3","1","1","7","6","1","1","1") = "6"
    & skf21("3","1","1","7","6","1","2","1") = "6"
    & skf21("3","1","1","7","6","1","3","1") = "6"
    & skf21("3","1","1","7","6","1","4","1") = "6"
    & skf21("3","1","1","7","6","1","5","1") = "6"
    & skf21("3","1","1","7","6","1","6","1") = "6"
    & skf21("3","1","1","7","6","1","7","1") = "6"
    & skf21("3","1","1","7","6","2","1","1") = "6"
    & skf21("3","1","1","7","6","2","2","1") = "6"
    & skf21("3","1","1","7","6","2","3","1") = "6"
    & skf21("3","1","1","7","6","2","4","1") = "6"
    & skf21("3","1","1","7","6","2","5","1") = "6"
    & skf21("3","1","1","7","6","2","6","1") = "6"
    & skf21("3","1","1","7","6","2","7","1") = "6"
    & skf21("3","1","1","7","6","3","1","1") = "6"
    & skf21("3","1","1","7","6","3","2","1") = "6"
    & skf21("3","1","1","7","6","3","3","1") = "6"
    & skf21("3","1","1","7","6","3","4","1") = "6"
    & skf21("3","1","1","7","6","3","5","1") = "6"
    & skf21("3","1","1","7","6","3","6","1") = "6"
    & skf21("3","1","1","7","6","3","7","1") = "6"
    & skf21("3","1","1","7","6","4","1","1") = "6"
    & skf21("3","1","1","7","6","4","2","1") = "6"
    & skf21("3","1","1","7","6","4","3","1") = "6"
    & skf21("3","1","1","7","6","4","4","1") = "6"
    & skf21("3","1","1","7","6","4","5","1") = "6"
    & skf21("3","1","1","7","6","4","6","1") = "6"
    & skf21("3","1","1","7","6","4","7","1") = "6"
    & skf21("3","1","1","7","6","5","1","1") = "6"
    & skf21("3","1","1","7","6","5","2","1") = "6"
    & skf21("3","1","1","7","6","5","3","1") = "6"
    & skf21("3","1","1","7","6","5","4","1") = "6"
    & skf21("3","1","1","7","6","5","5","1") = "6"
    & skf21("3","1","1","7","6","5","6","1") = "6"
    & skf21("3","1","1","7","6","5","7","1") = "6"
    & skf21("3","1","1","7","6","6","1","1") = "6"
    & skf21("3","1","1","7","6","6","2","1") = "6"
    & skf21("3","1","1","7","6","6","3","1") = "6"
    & skf21("3","1","1","7","6","6","4","1") = "6"
    & skf21("3","1","1","7","6","6","5","1") = "6"
    & skf21("3","1","1","7","6","6","6","1") = "6"
    & skf21("3","1","1","7","6","6","7","1") = "6"
    & skf21("3","1","1","7","6","7","1","1") = "6"
    & skf21("3","1","1","7","6","7","2","1") = "6"
    & skf21("3","1","1","7","6","7","3","1") = "6"
    & skf21("3","1","1","7","6","7","4","1") = "6"
    & skf21("3","1","1","7","6","7","5","1") = "6"
    & skf21("3","1","1","7","6","7","6","1") = "6"
    & skf21("3","1","1","7","6","7","7","1") = "6"
    & skf21("3","1","1","7","7","1","1","1") = "6"
    & skf21("3","1","1","7","7","1","2","1") = "6"
    & skf21("3","1","1","7","7","1","3","1") = "6"
    & skf21("3","1","1","7","7","1","4","1") = "6"
    & skf21("3","1","1","7","7","1","5","1") = "6"
    & skf21("3","1","1","7","7","1","6","1") = "6"
    & skf21("3","1","1","7","7","1","7","1") = "6"
    & skf21("3","1","1","7","7","2","1","1") = "6"
    & skf21("3","1","1","7","7","2","2","1") = "6"
    & skf21("3","1","1","7","7","2","3","1") = "6"
    & skf21("3","1","1","7","7","2","4","1") = "6"
    & skf21("3","1","1","7","7","2","5","1") = "6"
    & skf21("3","1","1","7","7","2","6","1") = "6"
    & skf21("3","1","1","7","7","2","7","1") = "6"
    & skf21("3","1","1","7","7","3","1","1") = "6"
    & skf21("3","1","1","7","7","3","2","1") = "6"
    & skf21("3","1","1","7","7","3","3","1") = "6"
    & skf21("3","1","1","7","7","3","4","1") = "6"
    & skf21("3","1","1","7","7","3","5","1") = "6"
    & skf21("3","1","1","7","7","3","6","1") = "6"
    & skf21("3","1","1","7","7","3","7","1") = "6"
    & skf21("3","1","1","7","7","4","1","1") = "6"
    & skf21("3","1","1","7","7","4","2","1") = "6"
    & skf21("3","1","1","7","7","4","3","1") = "6"
    & skf21("3","1","1","7","7","4","4","1") = "6"
    & skf21("3","1","1","7","7","4","5","1") = "6"
    & skf21("3","1","1","7","7","4","6","1") = "6"
    & skf21("3","1","1","7","7","4","7","1") = "6"
    & skf21("3","1","1","7","7","5","1","1") = "6"
    & skf21("3","1","1","7","7","5","2","1") = "6"
    & skf21("3","1","1","7","7","5","3","1") = "6"
    & skf21("3","1","1","7","7","5","4","1") = "6"
    & skf21("3","1","1","7","7","5","5","1") = "6"
    & skf21("3","1","1","7","7","5","6","1") = "6"
    & skf21("3","1","1","7","7","5","7","1") = "6"
    & skf21("3","1","1","7","7","6","1","1") = "6"
    & skf21("3","1","1","7","7","6","2","1") = "6"
    & skf21("3","1","1","7","7","6","3","1") = "6"
    & skf21("3","1","1","7","7","6","4","1") = "6"
    & skf21("3","1","1","7","7","6","5","1") = "6"
    & skf21("3","1","1","7","7","6","6","1") = "6"
    & skf21("3","1","1","7","7","6","7","1") = "6"
    & skf21("3","1","1","7","7","7","1","1") = "6"
    & skf21("3","1","1","7","7","7","2","1") = "6"
    & skf21("3","1","1","7","7","7","3","1") = "6"
    & skf21("3","1","1","7","7","7","4","1") = "6"
    & skf21("3","1","1","7","7","7","5","1") = "6"
    & skf21("3","1","1","7","7","7","6","1") = "6"
    & skf21("3","1","1","7","7","7","7","1") = "6"
    & skf21("3","1","2","1","1","1","1","1") = "2"
    & skf21("3","1","2","1","1","1","2","1") = "2"
    & skf21("3","1","2","1","1","1","3","1") = "2"
    & skf21("3","1","2","1","1","1","4","1") = "3"
    & skf21("3","1","2","1","1","1","5","1") = "4"
    & skf21("3","1","2","1","1","1","6","1") = "5"
    & skf21("3","1","2","1","1","1","7","1") = "6"
    & skf21("3","1","2","1","1","2","1","1") = "2"
    & skf21("3","1","2","1","1","2","2","1") = "2"
    & skf21("3","1","2","1","1","2","3","1") = "2"
    & skf21("3","1","2","1","1","2","4","1") = "3"
    & skf21("3","1","2","1","1","2","5","1") = "4"
    & skf21("3","1","2","1","1","2","6","1") = "5"
    & skf21("3","1","2","1","1","2","7","1") = "6"
    & skf21("3","1","2","1","1","3","1","1") = "2"
    & skf21("3","1","2","1","1","3","2","1") = "2"
    & skf21("3","1","2","1","1","3","3","1") = "2"
    & skf21("3","1","2","1","1","3","4","1") = "3"
    & skf21("3","1","2","1","1","3","5","1") = "4"
    & skf21("3","1","2","1","1","3","6","1") = "5"
    & skf21("3","1","2","1","1","3","7","1") = "6"
    & skf21("3","1","2","1","1","4","1","1") = "3"
    & skf21("3","1","2","1","1","4","2","1") = "3"
    & skf21("3","1","2","1","1","4","3","1") = "3"
    & skf21("3","1","2","1","1","4","4","1") = "3"
    & skf21("3","1","2","1","1","4","5","1") = "4"
    & skf21("3","1","2","1","1","4","6","1") = "5"
    & skf21("3","1","2","1","1","4","7","1") = "6"
    & skf21("3","1","2","1","1","5","1","1") = "4"
    & skf21("3","1","2","1","1","5","2","1") = "4"
    & skf21("3","1","2","1","1","5","3","1") = "4"
    & skf21("3","1","2","1","1","5","4","1") = "4"
    & skf21("3","1","2","1","1","5","5","1") = "4"
    & skf21("3","1","2","1","1","5","6","1") = "5"
    & skf21("3","1","2","1","1","5","7","1") = "6"
    & skf21("3","1","2","1","1","6","1","1") = "5"
    & skf21("3","1","2","1","1","6","2","1") = "5"
    & skf21("3","1","2","1","1","6","3","1") = "5"
    & skf21("3","1","2","1","1","6","4","1") = "5"
    & skf21("3","1","2","1","1","6","5","1") = "5"
    & skf21("3","1","2","1","1","6","6","1") = "5"
    & skf21("3","1","2","1","1","6","7","1") = "6"
    & skf21("3","1","2","1","1","7","1","1") = "6"
    & skf21("3","1","2","1","1","7","2","1") = "6"
    & skf21("3","1","2","1","1","7","3","1") = "6"
    & skf21("3","1","2","1","1","7","4","1") = "6"
    & skf21("3","1","2","1","1","7","5","1") = "6"
    & skf21("3","1","2","1","1","7","6","1") = "6"
    & skf21("3","1","2","1","1","7","7","1") = "6"
    & skf21("3","1","2","1","2","1","1","1") = "2"
    & skf21("3","1","2","1","2","1","2","1") = "2"
    & skf21("3","1","2","1","2","1","3","1") = "2"
    & skf21("3","1","2","1","2","1","4","1") = "3"
    & skf21("3","1","2","1","2","1","5","1") = "4"
    & skf21("3","1","2","1","2","1","6","1") = "5"
    & skf21("3","1","2","1","2","1","7","1") = "6"
    & skf21("3","1","2","1","2","2","1","1") = "2"
    & skf21("3","1","2","1","2","2","2","1") = "2"
    & skf21("3","1","2","1","2","2","3","1") = "2"
    & skf21("3","1","2","1","2","2","4","1") = "3"
    & skf21("3","1","2","1","2","2","5","1") = "4"
    & skf21("3","1","2","1","2","2","6","1") = "5"
    & skf21("3","1","2","1","2","2","7","1") = "6"
    & skf21("3","1","2","1","2","3","1","1") = "2"
    & skf21("3","1","2","1","2","3","2","1") = "2"
    & skf21("3","1","2","1","2","3","3","1") = "2"
    & skf21("3","1","2","1","2","3","4","1") = "3"
    & skf21("3","1","2","1","2","3","5","1") = "4"
    & skf21("3","1","2","1","2","3","6","1") = "5"
    & skf21("3","1","2","1","2","3","7","1") = "6"
    & skf21("3","1","2","1","2","4","1","1") = "3"
    & skf21("3","1","2","1","2","4","2","1") = "3"
    & skf21("3","1","2","1","2","4","3","1") = "3"
    & skf21("3","1","2","1","2","4","4","1") = "3"
    & skf21("3","1","2","1","2","4","5","1") = "4"
    & skf21("3","1","2","1","2","4","6","1") = "5"
    & skf21("3","1","2","1","2","4","7","1") = "6"
    & skf21("3","1","2","1","2","5","1","1") = "4"
    & skf21("3","1","2","1","2","5","2","1") = "4"
    & skf21("3","1","2","1","2","5","3","1") = "4"
    & skf21("3","1","2","1","2","5","4","1") = "4"
    & skf21("3","1","2","1","2","5","5","1") = "4"
    & skf21("3","1","2","1","2","5","6","1") = "5"
    & skf21("3","1","2","1","2","5","7","1") = "6"
    & skf21("3","1","2","1","2","6","1","1") = "5"
    & skf21("3","1","2","1","2","6","2","1") = "5"
    & skf21("3","1","2","1","2","6","3","1") = "5"
    & skf21("3","1","2","1","2","6","4","1") = "5"
    & skf21("3","1","2","1","2","6","5","1") = "5"
    & skf21("3","1","2","1","2","6","6","1") = "5"
    & skf21("3","1","2","1","2","6","7","1") = "6"
    & skf21("3","1","2","1","2","7","1","1") = "6"
    & skf21("3","1","2","1","2","7","2","1") = "6"
    & skf21("3","1","2","1","2","7","3","1") = "6"
    & skf21("3","1","2","1","2","7","4","1") = "6"
    & skf21("3","1","2","1","2","7","5","1") = "6"
    & skf21("3","1","2","1","2","7","6","1") = "6"
    & skf21("3","1","2","1","2","7","7","1") = "6"
    & skf21("3","1","2","1","3","1","1","1") = "2"
    & skf21("3","1","2","1","3","1","2","1") = "2"
    & skf21("3","1","2","1","3","1","3","1") = "2"
    & skf21("3","1","2","1","3","1","4","1") = "3"
    & skf21("3","1","2","1","3","1","5","1") = "4"
    & skf21("3","1","2","1","3","1","6","1") = "5"
    & skf21("3","1","2","1","3","1","7","1") = "6"
    & skf21("3","1","2","1","3","2","1","1") = "2"
    & skf21("3","1","2","1","3","2","2","1") = "2"
    & skf21("3","1","2","1","3","2","3","1") = "2"
    & skf21("3","1","2","1","3","2","4","1") = "3"
    & skf21("3","1","2","1","3","2","5","1") = "4"
    & skf21("3","1","2","1","3","2","6","1") = "5"
    & skf21("3","1","2","1","3","2","7","1") = "6"
    & skf21("3","1","2","1","3","3","1","1") = "2"
    & skf21("3","1","2","1","3","3","2","1") = "2"
    & skf21("3","1","2","1","3","3","3","1") = "2"
    & skf21("3","1","2","1","3","3","4","1") = "3"
    & skf21("3","1","2","1","3","3","5","1") = "4"
    & skf21("3","1","2","1","3","3","6","1") = "5"
    & skf21("3","1","2","1","3","3","7","1") = "6"
    & skf21("3","1","2","1","3","4","1","1") = "3"
    & skf21("3","1","2","1","3","4","2","1") = "3"
    & skf21("3","1","2","1","3","4","3","1") = "3"
    & skf21("3","1","2","1","3","4","4","1") = "3"
    & skf21("3","1","2","1","3","4","5","1") = "4"
    & skf21("3","1","2","1","3","4","6","1") = "5"
    & skf21("3","1","2","1","3","4","7","1") = "6"
    & skf21("3","1","2","1","3","5","1","1") = "4"
    & skf21("3","1","2","1","3","5","2","1") = "4"
    & skf21("3","1","2","1","3","5","3","1") = "4"
    & skf21("3","1","2","1","3","5","4","1") = "4"
    & skf21("3","1","2","1","3","5","5","1") = "4"
    & skf21("3","1","2","1","3","5","6","1") = "5"
    & skf21("3","1","2","1","3","5","7","1") = "6"
    & skf21("3","1","2","1","3","6","1","1") = "5"
    & skf21("3","1","2","1","3","6","2","1") = "5"
    & skf21("3","1","2","1","3","6","3","1") = "5"
    & skf21("3","1","2","1","3","6","4","1") = "5"
    & skf21("3","1","2","1","3","6","5","1") = "5"
    & skf21("3","1","2","1","3","6","6","1") = "5"
    & skf21("3","1","2","1","3","6","7","1") = "6"
    & skf21("3","1","2","1","3","7","1","1") = "6"
    & skf21("3","1","2","1","3","7","2","1") = "6"
    & skf21("3","1","2","1","3","7","3","1") = "6"
    & skf21("3","1","2","1","3","7","4","1") = "6"
    & skf21("3","1","2","1","3","7","5","1") = "6"
    & skf21("3","1","2","1","3","7","6","1") = "6"
    & skf21("3","1","2","1","3","7","7","1") = "6"
    & skf21("3","1","2","1","4","1","1","1") = "3"
    & skf21("3","1","2","1","4","1","2","1") = "3"
    & skf21("3","1","2","1","4","1","3","1") = "3"
    & skf21("3","1","2","1","4","1","4","1") = "3"
    & skf21("3","1","2","1","4","1","5","1") = "4"
    & skf21("3","1","2","1","4","1","6","1") = "5"
    & skf21("3","1","2","1","4","1","7","1") = "6"
    & skf21("3","1","2","1","4","2","1","1") = "3"
    & skf21("3","1","2","1","4","2","2","1") = "3"
    & skf21("3","1","2","1","4","2","3","1") = "3"
    & skf21("3","1","2","1","4","2","4","1") = "3"
    & skf21("3","1","2","1","4","2","5","1") = "4"
    & skf21("3","1","2","1","4","2","6","1") = "5"
    & skf21("3","1","2","1","4","2","7","1") = "6"
    & skf21("3","1","2","1","4","3","1","1") = "3"
    & skf21("3","1","2","1","4","3","2","1") = "3"
    & skf21("3","1","2","1","4","3","3","1") = "3"
    & skf21("3","1","2","1","4","3","4","1") = "3"
    & skf21("3","1","2","1","4","3","5","1") = "4"
    & skf21("3","1","2","1","4","3","6","1") = "5"
    & skf21("3","1","2","1","4","3","7","1") = "6"
    & skf21("3","1","2","1","4","4","1","1") = "3"
    & skf21("3","1","2","1","4","4","2","1") = "3"
    & skf21("3","1","2","1","4","4","3","1") = "3"
    & skf21("3","1","2","1","4","4","4","1") = "3"
    & skf21("3","1","2","1","4","4","5","1") = "4"
    & skf21("3","1","2","1","4","4","6","1") = "5"
    & skf21("3","1","2","1","4","4","7","1") = "6"
    & skf21("3","1","2","1","4","5","1","1") = "4"
    & skf21("3","1","2","1","4","5","2","1") = "4"
    & skf21("3","1","2","1","4","5","3","1") = "4"
    & skf21("3","1","2","1","4","5","4","1") = "4"
    & skf21("3","1","2","1","4","5","5","1") = "4"
    & skf21("3","1","2","1","4","5","6","1") = "5"
    & skf21("3","1","2","1","4","5","7","1") = "6"
    & skf21("3","1","2","1","4","6","1","1") = "5"
    & skf21("3","1","2","1","4","6","2","1") = "5"
    & skf21("3","1","2","1","4","6","3","1") = "5"
    & skf21("3","1","2","1","4","6","4","1") = "5"
    & skf21("3","1","2","1","4","6","5","1") = "5"
    & skf21("3","1","2","1","4","6","6","1") = "5"
    & skf21("3","1","2","1","4","6","7","1") = "6"
    & skf21("3","1","2","1","4","7","1","1") = "6"
    & skf21("3","1","2","1","4","7","2","1") = "6"
    & skf21("3","1","2","1","4","7","3","1") = "6"
    & skf21("3","1","2","1","4","7","4","1") = "6"
    & skf21("3","1","2","1","4","7","5","1") = "6"
    & skf21("3","1","2","1","4","7","6","1") = "6"
    & skf21("3","1","2","1","4","7","7","1") = "6"
    & skf21("3","1","2","1","5","1","1","1") = "4"
    & skf21("3","1","2","1","5","1","2","1") = "4"
    & skf21("3","1","2","1","5","1","3","1") = "4"
    & skf21("3","1","2","1","5","1","4","1") = "4"
    & skf21("3","1","2","1","5","1","5","1") = "4"
    & skf21("3","1","2","1","5","1","6","1") = "5"
    & skf21("3","1","2","1","5","1","7","1") = "6"
    & skf21("3","1","2","1","5","2","1","1") = "4"
    & skf21("3","1","2","1","5","2","2","1") = "4"
    & skf21("3","1","2","1","5","2","3","1") = "4"
    & skf21("3","1","2","1","5","2","4","1") = "4"
    & skf21("3","1","2","1","5","2","5","1") = "4"
    & skf21("3","1","2","1","5","2","6","1") = "5"
    & skf21("3","1","2","1","5","2","7","1") = "6"
    & skf21("3","1","2","1","5","3","1","1") = "4"
    & skf21("3","1","2","1","5","3","2","1") = "4"
    & skf21("3","1","2","1","5","3","3","1") = "4"
    & skf21("3","1","2","1","5","3","4","1") = "4"
    & skf21("3","1","2","1","5","3","5","1") = "4"
    & skf21("3","1","2","1","5","3","6","1") = "5"
    & skf21("3","1","2","1","5","3","7","1") = "6"
    & skf21("3","1","2","1","5","4","1","1") = "4"
    & skf21("3","1","2","1","5","4","2","1") = "4"
    & skf21("3","1","2","1","5","4","3","1") = "4"
    & skf21("3","1","2","1","5","4","4","1") = "4"
    & skf21("3","1","2","1","5","4","5","1") = "4"
    & skf21("3","1","2","1","5","4","6","1") = "5"
    & skf21("3","1","2","1","5","4","7","1") = "6"
    & skf21("3","1","2","1","5","5","1","1") = "4"
    & skf21("3","1","2","1","5","5","2","1") = "4"
    & skf21("3","1","2","1","5","5","3","1") = "4"
    & skf21("3","1","2","1","5","5","4","1") = "4"
    & skf21("3","1","2","1","5","5","5","1") = "4"
    & skf21("3","1","2","1","5","5","6","1") = "5"
    & skf21("3","1","2","1","5","5","7","1") = "6"
    & skf21("3","1","2","1","5","6","1","1") = "5"
    & skf21("3","1","2","1","5","6","2","1") = "5"
    & skf21("3","1","2","1","5","6","3","1") = "5"
    & skf21("3","1","2","1","5","6","4","1") = "5"
    & skf21("3","1","2","1","5","6","5","1") = "5"
    & skf21("3","1","2","1","5","6","6","1") = "5"
    & skf21("3","1","2","1","5","6","7","1") = "6"
    & skf21("3","1","2","1","5","7","1","1") = "6"
    & skf21("3","1","2","1","5","7","2","1") = "6"
    & skf21("3","1","2","1","5","7","3","1") = "6"
    & skf21("3","1","2","1","5","7","4","1") = "6"
    & skf21("3","1","2","1","5","7","5","1") = "6"
    & skf21("3","1","2","1","5","7","6","1") = "6"
    & skf21("3","1","2","1","5","7","7","1") = "6"
    & skf21("3","1","2","1","6","1","1","1") = "5"
    & skf21("3","1","2","1","6","1","2","1") = "5"
    & skf21("3","1","2","1","6","1","3","1") = "5"
    & skf21("3","1","2","1","6","1","4","1") = "5"
    & skf21("3","1","2","1","6","1","5","1") = "5"
    & skf21("3","1","2","1","6","1","6","1") = "5"
    & skf21("3","1","2","1","6","1","7","1") = "6"
    & skf21("3","1","2","1","6","2","1","1") = "5"
    & skf21("3","1","2","1","6","2","2","1") = "5"
    & skf21("3","1","2","1","6","2","3","1") = "5"
    & skf21("3","1","2","1","6","2","4","1") = "5"
    & skf21("3","1","2","1","6","2","5","1") = "5"
    & skf21("3","1","2","1","6","2","6","1") = "5"
    & skf21("3","1","2","1","6","2","7","1") = "6"
    & skf21("3","1","2","1","6","3","1","1") = "5"
    & skf21("3","1","2","1","6","3","2","1") = "5"
    & skf21("3","1","2","1","6","3","3","1") = "5"
    & skf21("3","1","2","1","6","3","4","1") = "5"
    & skf21("3","1","2","1","6","3","5","1") = "5"
    & skf21("3","1","2","1","6","3","6","1") = "5"
    & skf21("3","1","2","1","6","3","7","1") = "6"
    & skf21("3","1","2","1","6","4","1","1") = "5"
    & skf21("3","1","2","1","6","4","2","1") = "5"
    & skf21("3","1","2","1","6","4","3","1") = "5"
    & skf21("3","1","2","1","6","4","4","1") = "5"
    & skf21("3","1","2","1","6","4","5","1") = "5"
    & skf21("3","1","2","1","6","4","6","1") = "5"
    & skf21("3","1","2","1","6","4","7","1") = "6"
    & skf21("3","1","2","1","6","5","1","1") = "5"
    & skf21("3","1","2","1","6","5","2","1") = "5"
    & skf21("3","1","2","1","6","5","3","1") = "5"
    & skf21("3","1","2","1","6","5","4","1") = "5"
    & skf21("3","1","2","1","6","5","5","1") = "5"
    & skf21("3","1","2","1","6","5","6","1") = "5"
    & skf21("3","1","2","1","6","5","7","1") = "6"
    & skf21("3","1","2","1","6","6","1","1") = "5"
    & skf21("3","1","2","1","6","6","2","1") = "5"
    & skf21("3","1","2","1","6","6","3","1") = "5"
    & skf21("3","1","2","1","6","6","4","1") = "5"
    & skf21("3","1","2","1","6","6","5","1") = "5"
    & skf21("3","1","2","1","6","6","6","1") = "5"
    & skf21("3","1","2","1","6","6","7","1") = "6"
    & skf21("3","1","2","1","6","7","1","1") = "6"
    & skf21("3","1","2","1","6","7","2","1") = "6"
    & skf21("3","1","2","1","6","7","3","1") = "6"
    & skf21("3","1","2","1","6","7","4","1") = "6"
    & skf21("3","1","2","1","6","7","5","1") = "6"
    & skf21("3","1","2","1","6","7","6","1") = "6"
    & skf21("3","1","2","1","6","7","7","1") = "6"
    & skf21("3","1","2","1","7","1","1","1") = "6"
    & skf21("3","1","2","1","7","1","2","1") = "6"
    & skf21("3","1","2","1","7","1","3","1") = "6"
    & skf21("3","1","2","1","7","1","4","1") = "6"
    & skf21("3","1","2","1","7","1","5","1") = "6"
    & skf21("3","1","2","1","7","1","6","1") = "6"
    & skf21("3","1","2","1","7","1","7","1") = "6"
    & skf21("3","1","2","1","7","2","1","1") = "6"
    & skf21("3","1","2","1","7","2","2","1") = "6"
    & skf21("3","1","2","1","7","2","3","1") = "6"
    & skf21("3","1","2","1","7","2","4","1") = "6"
    & skf21("3","1","2","1","7","2","5","1") = "6"
    & skf21("3","1","2","1","7","2","6","1") = "6"
    & skf21("3","1","2","1","7","2","7","1") = "6"
    & skf21("3","1","2","1","7","3","1","1") = "6"
    & skf21("3","1","2","1","7","3","2","1") = "6"
    & skf21("3","1","2","1","7","3","3","1") = "6"
    & skf21("3","1","2","1","7","3","4","1") = "6"
    & skf21("3","1","2","1","7","3","5","1") = "6"
    & skf21("3","1","2","1","7","3","6","1") = "6"
    & skf21("3","1","2","1","7","3","7","1") = "6"
    & skf21("3","1","2","1","7","4","1","1") = "6"
    & skf21("3","1","2","1","7","4","2","1") = "6"
    & skf21("3","1","2","1","7","4","3","1") = "6"
    & skf21("3","1","2","1","7","4","4","1") = "6"
    & skf21("3","1","2","1","7","4","5","1") = "6"
    & skf21("3","1","2","1","7","4","6","1") = "6"
    & skf21("3","1","2","1","7","4","7","1") = "6"
    & skf21("3","1","2","1","7","5","1","1") = "6"
    & skf21("3","1","2","1","7","5","2","1") = "6"
    & skf21("3","1","2","1","7","5","3","1") = "6"
    & skf21("3","1","2","1","7","5","4","1") = "6"
    & skf21("3","1","2","1","7","5","5","1") = "6"
    & skf21("3","1","2","1","7","5","6","1") = "6"
    & skf21("3","1","2","1","7","5","7","1") = "6"
    & skf21("3","1","2","1","7","6","1","1") = "6"
    & skf21("3","1","2","1","7","6","2","1") = "6"
    & skf21("3","1","2","1","7","6","3","1") = "6"
    & skf21("3","1","2","1","7","6","4","1") = "6"
    & skf21("3","1","2","1","7","6","5","1") = "6"
    & skf21("3","1","2","1","7","6","6","1") = "6"
    & skf21("3","1","2","1","7","6","7","1") = "6"
    & skf21("3","1","2","1","7","7","1","1") = "6"
    & skf21("3","1","2","1","7","7","2","1") = "6"
    & skf21("3","1","2","1","7","7","3","1") = "6"
    & skf21("3","1","2","1","7","7","4","1") = "6"
    & skf21("3","1","2","1","7","7","5","1") = "6"
    & skf21("3","1","2","1","7","7","6","1") = "6"
    & skf21("3","1","2","1","7","7","7","1") = "6"
    & skf21("3","1","2","2","1","1","1","1") = "2"
    & skf21("3","1","2","2","1","1","2","1") = "2"
    & skf21("3","1","2","2","1","1","3","1") = "2"
    & skf21("3","1","2","2","1","1","4","1") = "3"
    & skf21("3","1","2","2","1","1","5","1") = "4"
    & skf21("3","1","2","2","1","1","6","1") = "5"
    & skf21("3","1","2","2","1","1","7","1") = "6"
    & skf21("3","1","2","2","1","2","1","1") = "2"
    & skf21("3","1","2","2","1","2","2","1") = "2"
    & skf21("3","1","2","2","1","2","3","1") = "2"
    & skf21("3","1","2","2","1","2","4","1") = "3"
    & skf21("3","1","2","2","1","2","5","1") = "4"
    & skf21("3","1","2","2","1","2","6","1") = "5"
    & skf21("3","1","2","2","1","2","7","1") = "6"
    & skf21("3","1","2","2","1","3","1","1") = "2"
    & skf21("3","1","2","2","1","3","2","1") = "2"
    & skf21("3","1","2","2","1","3","3","1") = "2"
    & skf21("3","1","2","2","1","3","4","1") = "3"
    & skf21("3","1","2","2","1","3","5","1") = "4"
    & skf21("3","1","2","2","1","3","6","1") = "5"
    & skf21("3","1","2","2","1","3","7","1") = "6"
    & skf21("3","1","2","2","1","4","1","1") = "3"
    & skf21("3","1","2","2","1","4","2","1") = "3"
    & skf21("3","1","2","2","1","4","3","1") = "3"
    & skf21("3","1","2","2","1","4","4","1") = "3"
    & skf21("3","1","2","2","1","4","5","1") = "4"
    & skf21("3","1","2","2","1","4","6","1") = "5"
    & skf21("3","1","2","2","1","4","7","1") = "6"
    & skf21("3","1","2","2","1","5","1","1") = "4"
    & skf21("3","1","2","2","1","5","2","1") = "4"
    & skf21("3","1","2","2","1","5","3","1") = "4"
    & skf21("3","1","2","2","1","5","4","1") = "4"
    & skf21("3","1","2","2","1","5","5","1") = "4"
    & skf21("3","1","2","2","1","5","6","1") = "5"
    & skf21("3","1","2","2","1","5","7","1") = "6"
    & skf21("3","1","2","2","1","6","1","1") = "5"
    & skf21("3","1","2","2","1","6","2","1") = "5"
    & skf21("3","1","2","2","1","6","3","1") = "5"
    & skf21("3","1","2","2","1","6","4","1") = "5"
    & skf21("3","1","2","2","1","6","5","1") = "5"
    & skf21("3","1","2","2","1","6","6","1") = "5"
    & skf21("3","1","2","2","1","6","7","1") = "6"
    & skf21("3","1","2","2","1","7","1","1") = "6"
    & skf21("3","1","2","2","1","7","2","1") = "6"
    & skf21("3","1","2","2","1","7","3","1") = "6"
    & skf21("3","1","2","2","1","7","4","1") = "6"
    & skf21("3","1","2","2","1","7","5","1") = "6"
    & skf21("3","1","2","2","1","7","6","1") = "6"
    & skf21("3","1","2","2","1","7","7","1") = "6"
    & skf21("3","1","2","2","2","1","1","1") = "2"
    & skf21("3","1","2","2","2","1","2","1") = "2"
    & skf21("3","1","2","2","2","1","3","1") = "2"
    & skf21("3","1","2","2","2","1","4","1") = "3"
    & skf21("3","1","2","2","2","1","5","1") = "4"
    & skf21("3","1","2","2","2","1","6","1") = "5"
    & skf21("3","1","2","2","2","1","7","1") = "6"
    & skf21("3","1","2","2","2","2","1","1") = "2"
    & skf21("3","1","2","2","2","2","2","1") = "2"
    & skf21("3","1","2","2","2","2","3","1") = "2"
    & skf21("3","1","2","2","2","2","4","1") = "3"
    & skf21("3","1","2","2","2","2","5","1") = "4"
    & skf21("3","1","2","2","2","2","6","1") = "5"
    & skf21("3","1","2","2","2","2","7","1") = "6"
    & skf21("3","1","2","2","2","3","1","1") = "2"
    & skf21("3","1","2","2","2","3","2","1") = "2"
    & skf21("3","1","2","2","2","3","3","1") = "2"
    & skf21("3","1","2","2","2","3","4","1") = "3"
    & skf21("3","1","2","2","2","3","5","1") = "4"
    & skf21("3","1","2","2","2","3","6","1") = "5"
    & skf21("3","1","2","2","2","3","7","1") = "6"
    & skf21("3","1","2","2","2","4","1","1") = "3"
    & skf21("3","1","2","2","2","4","2","1") = "3"
    & skf21("3","1","2","2","2","4","3","1") = "3"
    & skf21("3","1","2","2","2","4","4","1") = "3"
    & skf21("3","1","2","2","2","4","5","1") = "4"
    & skf21("3","1","2","2","2","4","6","1") = "5"
    & skf21("3","1","2","2","2","4","7","1") = "6"
    & skf21("3","1","2","2","2","5","1","1") = "4"
    & skf21("3","1","2","2","2","5","2","1") = "4"
    & skf21("3","1","2","2","2","5","3","1") = "4"
    & skf21("3","1","2","2","2","5","4","1") = "4"
    & skf21("3","1","2","2","2","5","5","1") = "4"
    & skf21("3","1","2","2","2","5","6","1") = "5"
    & skf21("3","1","2","2","2","5","7","1") = "6"
    & skf21("3","1","2","2","2","6","1","1") = "5"
    & skf21("3","1","2","2","2","6","2","1") = "5"
    & skf21("3","1","2","2","2","6","3","1") = "5"
    & skf21("3","1","2","2","2","6","4","1") = "5"
    & skf21("3","1","2","2","2","6","5","1") = "5"
    & skf21("3","1","2","2","2","6","6","1") = "5"
    & skf21("3","1","2","2","2","6","7","1") = "6"
    & skf21("3","1","2","2","2","7","1","1") = "6"
    & skf21("3","1","2","2","2","7","2","1") = "6"
    & skf21("3","1","2","2","2","7","3","1") = "6"
    & skf21("3","1","2","2","2","7","4","1") = "6"
    & skf21("3","1","2","2","2","7","5","1") = "6"
    & skf21("3","1","2","2","2","7","6","1") = "6"
    & skf21("3","1","2","2","2","7","7","1") = "6"
    & skf21("3","1","2","2","3","1","1","1") = "2"
    & skf21("3","1","2","2","3","1","2","1") = "2"
    & skf21("3","1","2","2","3","1","3","1") = "2"
    & skf21("3","1","2","2","3","1","4","1") = "3"
    & skf21("3","1","2","2","3","1","5","1") = "4"
    & skf21("3","1","2","2","3","1","6","1") = "5"
    & skf21("3","1","2","2","3","1","7","1") = "6"
    & skf21("3","1","2","2","3","2","1","1") = "2"
    & skf21("3","1","2","2","3","2","2","1") = "2"
    & skf21("3","1","2","2","3","2","3","1") = "2"
    & skf21("3","1","2","2","3","2","4","1") = "3"
    & skf21("3","1","2","2","3","2","5","1") = "4"
    & skf21("3","1","2","2","3","2","6","1") = "5"
    & skf21("3","1","2","2","3","2","7","1") = "6"
    & skf21("3","1","2","2","3","3","1","1") = "2"
    & skf21("3","1","2","2","3","3","2","1") = "2"
    & skf21("3","1","2","2","3","3","3","1") = "2"
    & skf21("3","1","2","2","3","3","4","1") = "3"
    & skf21("3","1","2","2","3","3","5","1") = "4"
    & skf21("3","1","2","2","3","3","6","1") = "5"
    & skf21("3","1","2","2","3","3","7","1") = "6"
    & skf21("3","1","2","2","3","4","1","1") = "3"
    & skf21("3","1","2","2","3","4","2","1") = "3"
    & skf21("3","1","2","2","3","4","3","1") = "3"
    & skf21("3","1","2","2","3","4","4","1") = "3"
    & skf21("3","1","2","2","3","4","5","1") = "4"
    & skf21("3","1","2","2","3","4","6","1") = "5"
    & skf21("3","1","2","2","3","4","7","1") = "6"
    & skf21("3","1","2","2","3","5","1","1") = "4"
    & skf21("3","1","2","2","3","5","2","1") = "4"
    & skf21("3","1","2","2","3","5","3","1") = "4"
    & skf21("3","1","2","2","3","5","4","1") = "4"
    & skf21("3","1","2","2","3","5","5","1") = "4"
    & skf21("3","1","2","2","3","5","6","1") = "5"
    & skf21("3","1","2","2","3","5","7","1") = "6"
    & skf21("3","1","2","2","3","6","1","1") = "5"
    & skf21("3","1","2","2","3","6","2","1") = "5"
    & skf21("3","1","2","2","3","6","3","1") = "5"
    & skf21("3","1","2","2","3","6","4","1") = "5"
    & skf21("3","1","2","2","3","6","5","1") = "5"
    & skf21("3","1","2","2","3","6","6","1") = "5"
    & skf21("3","1","2","2","3","6","7","1") = "6"
    & skf21("3","1","2","2","3","7","1","1") = "6"
    & skf21("3","1","2","2","3","7","2","1") = "6"
    & skf21("3","1","2","2","3","7","3","1") = "6"
    & skf21("3","1","2","2","3","7","4","1") = "6"
    & skf21("3","1","2","2","3","7","5","1") = "6"
    & skf21("3","1","2","2","3","7","6","1") = "6"
    & skf21("3","1","2","2","3","7","7","1") = "6"
    & skf21("3","1","2","2","4","1","1","1") = "3"
    & skf21("3","1","2","2","4","1","2","1") = "3"
    & skf21("3","1","2","2","4","1","3","1") = "3"
    & skf21("3","1","2","2","4","1","4","1") = "3"
    & skf21("3","1","2","2","4","1","5","1") = "4"
    & skf21("3","1","2","2","4","1","6","1") = "5"
    & skf21("3","1","2","2","4","1","7","1") = "6"
    & skf21("3","1","2","2","4","2","1","1") = "3"
    & skf21("3","1","2","2","4","2","2","1") = "3"
    & skf21("3","1","2","2","4","2","3","1") = "3"
    & skf21("3","1","2","2","4","2","4","1") = "3"
    & skf21("3","1","2","2","4","2","5","1") = "4"
    & skf21("3","1","2","2","4","2","6","1") = "5"
    & skf21("3","1","2","2","4","2","7","1") = "6"
    & skf21("3","1","2","2","4","3","1","1") = "3"
    & skf21("3","1","2","2","4","3","2","1") = "3"
    & skf21("3","1","2","2","4","3","3","1") = "3"
    & skf21("3","1","2","2","4","3","4","1") = "3"
    & skf21("3","1","2","2","4","3","5","1") = "4"
    & skf21("3","1","2","2","4","3","6","1") = "5"
    & skf21("3","1","2","2","4","3","7","1") = "6"
    & skf21("3","1","2","2","4","4","1","1") = "3"
    & skf21("3","1","2","2","4","4","2","1") = "3"
    & skf21("3","1","2","2","4","4","3","1") = "3"
    & skf21("3","1","2","2","4","4","4","1") = "3"
    & skf21("3","1","2","2","4","4","5","1") = "4"
    & skf21("3","1","2","2","4","4","6","1") = "5"
    & skf21("3","1","2","2","4","4","7","1") = "6"
    & skf21("3","1","2","2","4","5","1","1") = "4"
    & skf21("3","1","2","2","4","5","2","1") = "4"
    & skf21("3","1","2","2","4","5","3","1") = "4"
    & skf21("3","1","2","2","4","5","4","1") = "4"
    & skf21("3","1","2","2","4","5","5","1") = "4"
    & skf21("3","1","2","2","4","5","6","1") = "5"
    & skf21("3","1","2","2","4","5","7","1") = "6"
    & skf21("3","1","2","2","4","6","1","1") = "5"
    & skf21("3","1","2","2","4","6","2","1") = "5"
    & skf21("3","1","2","2","4","6","3","1") = "5"
    & skf21("3","1","2","2","4","6","4","1") = "5"
    & skf21("3","1","2","2","4","6","5","1") = "5"
    & skf21("3","1","2","2","4","6","6","1") = "5"
    & skf21("3","1","2","2","4","6","7","1") = "6"
    & skf21("3","1","2","2","4","7","1","1") = "6"
    & skf21("3","1","2","2","4","7","2","1") = "6"
    & skf21("3","1","2","2","4","7","3","1") = "6"
    & skf21("3","1","2","2","4","7","4","1") = "6"
    & skf21("3","1","2","2","4","7","5","1") = "6"
    & skf21("3","1","2","2","4","7","6","1") = "6"
    & skf21("3","1","2","2","4","7","7","1") = "6"
    & skf21("3","1","2","2","5","1","1","1") = "4"
    & skf21("3","1","2","2","5","1","2","1") = "4"
    & skf21("3","1","2","2","5","1","3","1") = "4"
    & skf21("3","1","2","2","5","1","4","1") = "4"
    & skf21("3","1","2","2","5","1","5","1") = "4"
    & skf21("3","1","2","2","5","1","6","1") = "5"
    & skf21("3","1","2","2","5","1","7","1") = "6"
    & skf21("3","1","2","2","5","2","1","1") = "4"
    & skf21("3","1","2","2","5","2","2","1") = "4"
    & skf21("3","1","2","2","5","2","3","1") = "4"
    & skf21("3","1","2","2","5","2","4","1") = "4"
    & skf21("3","1","2","2","5","2","5","1") = "4"
    & skf21("3","1","2","2","5","2","6","1") = "5"
    & skf21("3","1","2","2","5","2","7","1") = "6"
    & skf21("3","1","2","2","5","3","1","1") = "4"
    & skf21("3","1","2","2","5","3","2","1") = "4"
    & skf21("3","1","2","2","5","3","3","1") = "4"
    & skf21("3","1","2","2","5","3","4","1") = "4"
    & skf21("3","1","2","2","5","3","5","1") = "4"
    & skf21("3","1","2","2","5","3","6","1") = "5"
    & skf21("3","1","2","2","5","3","7","1") = "6"
    & skf21("3","1","2","2","5","4","1","1") = "4"
    & skf21("3","1","2","2","5","4","2","1") = "4"
    & skf21("3","1","2","2","5","4","3","1") = "4"
    & skf21("3","1","2","2","5","4","4","1") = "4"
    & skf21("3","1","2","2","5","4","5","1") = "4"
    & skf21("3","1","2","2","5","4","6","1") = "5"
    & skf21("3","1","2","2","5","4","7","1") = "6"
    & skf21("3","1","2","2","5","5","1","1") = "4"
    & skf21("3","1","2","2","5","5","2","1") = "4"
    & skf21("3","1","2","2","5","5","3","1") = "4"
    & skf21("3","1","2","2","5","5","4","1") = "4"
    & skf21("3","1","2","2","5","5","5","1") = "4"
    & skf21("3","1","2","2","5","5","6","1") = "5"
    & skf21("3","1","2","2","5","5","7","1") = "6"
    & skf21("3","1","2","2","5","6","1","1") = "5"
    & skf21("3","1","2","2","5","6","2","1") = "5"
    & skf21("3","1","2","2","5","6","3","1") = "5"
    & skf21("3","1","2","2","5","6","4","1") = "5"
    & skf21("3","1","2","2","5","6","5","1") = "5"
    & skf21("3","1","2","2","5","6","6","1") = "5"
    & skf21("3","1","2","2","5","6","7","1") = "6"
    & skf21("3","1","2","2","5","7","1","1") = "6"
    & skf21("3","1","2","2","5","7","2","1") = "6"
    & skf21("3","1","2","2","5","7","3","1") = "6"
    & skf21("3","1","2","2","5","7","4","1") = "6"
    & skf21("3","1","2","2","5","7","5","1") = "6"
    & skf21("3","1","2","2","5","7","6","1") = "6"
    & skf21("3","1","2","2","5","7","7","1") = "6"
    & skf21("3","1","2","2","6","1","1","1") = "5"
    & skf21("3","1","2","2","6","1","2","1") = "5"
    & skf21("3","1","2","2","6","1","3","1") = "5"
    & skf21("3","1","2","2","6","1","4","1") = "5"
    & skf21("3","1","2","2","6","1","5","1") = "5"
    & skf21("3","1","2","2","6","1","6","1") = "5"
    & skf21("3","1","2","2","6","1","7","1") = "6"
    & skf21("3","1","2","2","6","2","1","1") = "5"
    & skf21("3","1","2","2","6","2","2","1") = "5"
    & skf21("3","1","2","2","6","2","3","1") = "5"
    & skf21("3","1","2","2","6","2","4","1") = "5"
    & skf21("3","1","2","2","6","2","5","1") = "5"
    & skf21("3","1","2","2","6","2","6","1") = "5"
    & skf21("3","1","2","2","6","2","7","1") = "6"
    & skf21("3","1","2","2","6","3","1","1") = "5"
    & skf21("3","1","2","2","6","3","2","1") = "5"
    & skf21("3","1","2","2","6","3","3","1") = "5"
    & skf21("3","1","2","2","6","3","4","1") = "5"
    & skf21("3","1","2","2","6","3","5","1") = "5"
    & skf21("3","1","2","2","6","3","6","1") = "5"
    & skf21("3","1","2","2","6","3","7","1") = "6"
    & skf21("3","1","2","2","6","4","1","1") = "5"
    & skf21("3","1","2","2","6","4","2","1") = "5"
    & skf21("3","1","2","2","6","4","3","1") = "5"
    & skf21("3","1","2","2","6","4","4","1") = "5"
    & skf21("3","1","2","2","6","4","5","1") = "5"
    & skf21("3","1","2","2","6","4","6","1") = "5"
    & skf21("3","1","2","2","6","4","7","1") = "6"
    & skf21("3","1","2","2","6","5","1","1") = "5"
    & skf21("3","1","2","2","6","5","2","1") = "5"
    & skf21("3","1","2","2","6","5","3","1") = "5"
    & skf21("3","1","2","2","6","5","4","1") = "5"
    & skf21("3","1","2","2","6","5","5","1") = "5"
    & skf21("3","1","2","2","6","5","6","1") = "5"
    & skf21("3","1","2","2","6","5","7","1") = "6"
    & skf21("3","1","2","2","6","6","1","1") = "5"
    & skf21("3","1","2","2","6","6","2","1") = "5"
    & skf21("3","1","2","2","6","6","3","1") = "5"
    & skf21("3","1","2","2","6","6","4","1") = "5"
    & skf21("3","1","2","2","6","6","5","1") = "5"
    & skf21("3","1","2","2","6","6","6","1") = "5"
    & skf21("3","1","2","2","6","6","7","1") = "6"
    & skf21("3","1","2","2","6","7","1","1") = "6"
    & skf21("3","1","2","2","6","7","2","1") = "6"
    & skf21("3","1","2","2","6","7","3","1") = "6"
    & skf21("3","1","2","2","6","7","4","1") = "6"
    & skf21("3","1","2","2","6","7","5","1") = "6"
    & skf21("3","1","2","2","6","7","6","1") = "6"
    & skf21("3","1","2","2","6","7","7","1") = "6"
    & skf21("3","1","2","2","7","1","1","1") = "6"
    & skf21("3","1","2","2","7","1","2","1") = "6"
    & skf21("3","1","2","2","7","1","3","1") = "6"
    & skf21("3","1","2","2","7","1","4","1") = "6"
    & skf21("3","1","2","2","7","1","5","1") = "6"
    & skf21("3","1","2","2","7","1","6","1") = "6"
    & skf21("3","1","2","2","7","1","7","1") = "6"
    & skf21("3","1","2","2","7","2","1","1") = "6"
    & skf21("3","1","2","2","7","2","2","1") = "6"
    & skf21("3","1","2","2","7","2","3","1") = "6"
    & skf21("3","1","2","2","7","2","4","1") = "6"
    & skf21("3","1","2","2","7","2","5","1") = "6"
    & skf21("3","1","2","2","7","2","6","1") = "6"
    & skf21("3","1","2","2","7","2","7","1") = "6"
    & skf21("3","1","2","2","7","3","1","1") = "6"
    & skf21("3","1","2","2","7","3","2","1") = "6"
    & skf21("3","1","2","2","7","3","3","1") = "6"
    & skf21("3","1","2","2","7","3","4","1") = "6"
    & skf21("3","1","2","2","7","3","5","1") = "6"
    & skf21("3","1","2","2","7","3","6","1") = "6"
    & skf21("3","1","2","2","7","3","7","1") = "6"
    & skf21("3","1","2","2","7","4","1","1") = "6"
    & skf21("3","1","2","2","7","4","2","1") = "6"
    & skf21("3","1","2","2","7","4","3","1") = "6"
    & skf21("3","1","2","2","7","4","4","1") = "6"
    & skf21("3","1","2","2","7","4","5","1") = "6"
    & skf21("3","1","2","2","7","4","6","1") = "6"
    & skf21("3","1","2","2","7","4","7","1") = "6"
    & skf21("3","1","2","2","7","5","1","1") = "6"
    & skf21("3","1","2","2","7","5","2","1") = "6"
    & skf21("3","1","2","2","7","5","3","1") = "6"
    & skf21("3","1","2","2","7","5","4","1") = "6"
    & skf21("3","1","2","2","7","5","5","1") = "6"
    & skf21("3","1","2","2","7","5","6","1") = "6"
    & skf21("3","1","2","2","7","5","7","1") = "6"
    & skf21("3","1","2","2","7","6","1","1") = "6"
    & skf21("3","1","2","2","7","6","2","1") = "6"
    & skf21("3","1","2","2","7","6","3","1") = "6"
    & skf21("3","1","2","2","7","6","4","1") = "6"
    & skf21("3","1","2","2","7","6","5","1") = "6"
    & skf21("3","1","2","2","7","6","6","1") = "6"
    & skf21("3","1","2","2","7","6","7","1") = "6"
    & skf21("3","1","2","2","7","7","1","1") = "6"
    & skf21("3","1","2","2","7","7","2","1") = "6"
    & skf21("3","1","2","2","7","7","3","1") = "6"
    & skf21("3","1","2","2","7","7","4","1") = "6"
    & skf21("3","1","2","2","7","7","5","1") = "6"
    & skf21("3","1","2","2","7","7","6","1") = "6"
    & skf21("3","1","2","2","7","7","7","1") = "6"
    & skf21("3","1","2","3","1","1","1","1") = "2"
    & skf21("3","1","2","3","1","1","2","1") = "2"
    & skf21("3","1","2","3","1","1","3","1") = "2"
    & skf21("3","1","2","3","1","1","4","1") = "3"
    & skf21("3","1","2","3","1","1","5","1") = "4"
    & skf21("3","1","2","3","1","1","6","1") = "5"
    & skf21("3","1","2","3","1","1","7","1") = "6"
    & skf21("3","1","2","3","1","2","1","1") = "2"
    & skf21("3","1","2","3","1","2","2","1") = "2"
    & skf21("3","1","2","3","1","2","3","1") = "2"
    & skf21("3","1","2","3","1","2","4","1") = "3"
    & skf21("3","1","2","3","1","2","5","1") = "4"
    & skf21("3","1","2","3","1","2","6","1") = "5"
    & skf21("3","1","2","3","1","2","7","1") = "6"
    & skf21("3","1","2","3","1","3","1","1") = "2"
    & skf21("3","1","2","3","1","3","2","1") = "2"
    & skf21("3","1","2","3","1","3","3","1") = "2"
    & skf21("3","1","2","3","1","3","4","1") = "3"
    & skf21("3","1","2","3","1","3","5","1") = "4"
    & skf21("3","1","2","3","1","3","6","1") = "5"
    & skf21("3","1","2","3","1","3","7","1") = "6"
    & skf21("3","1","2","3","1","4","1","1") = "3"
    & skf21("3","1","2","3","1","4","2","1") = "3"
    & skf21("3","1","2","3","1","4","3","1") = "3"
    & skf21("3","1","2","3","1","4","4","1") = "3"
    & skf21("3","1","2","3","1","4","5","1") = "4"
    & skf21("3","1","2","3","1","4","6","1") = "5"
    & skf21("3","1","2","3","1","4","7","1") = "6"
    & skf21("3","1","2","3","1","5","1","1") = "4"
    & skf21("3","1","2","3","1","5","2","1") = "4"
    & skf21("3","1","2","3","1","5","3","1") = "4"
    & skf21("3","1","2","3","1","5","4","1") = "4"
    & skf21("3","1","2","3","1","5","5","1") = "4"
    & skf21("3","1","2","3","1","5","6","1") = "5"
    & skf21("3","1","2","3","1","5","7","1") = "6"
    & skf21("3","1","2","3","1","6","1","1") = "5"
    & skf21("3","1","2","3","1","6","2","1") = "5"
    & skf21("3","1","2","3","1","6","3","1") = "5"
    & skf21("3","1","2","3","1","6","4","1") = "5"
    & skf21("3","1","2","3","1","6","5","1") = "5"
    & skf21("3","1","2","3","1","6","6","1") = "5"
    & skf21("3","1","2","3","1","6","7","1") = "6"
    & skf21("3","1","2","3","1","7","1","1") = "6"
    & skf21("3","1","2","3","1","7","2","1") = "6"
    & skf21("3","1","2","3","1","7","3","1") = "6"
    & skf21("3","1","2","3","1","7","4","1") = "6"
    & skf21("3","1","2","3","1","7","5","1") = "6"
    & skf21("3","1","2","3","1","7","6","1") = "6"
    & skf21("3","1","2","3","1","7","7","1") = "6"
    & skf21("3","1","2","3","2","1","1","1") = "2"
    & skf21("3","1","2","3","2","1","2","1") = "2"
    & skf21("3","1","2","3","2","1","3","1") = "2"
    & skf21("3","1","2","3","2","1","4","1") = "3"
    & skf21("3","1","2","3","2","1","5","1") = "4"
    & skf21("3","1","2","3","2","1","6","1") = "5"
    & skf21("3","1","2","3","2","1","7","1") = "6"
    & skf21("3","1","2","3","2","2","1","1") = "2"
    & skf21("3","1","2","3","2","2","2","1") = "2"
    & skf21("3","1","2","3","2","2","3","1") = "2"
    & skf21("3","1","2","3","2","2","4","1") = "3"
    & skf21("3","1","2","3","2","2","5","1") = "4"
    & skf21("3","1","2","3","2","2","6","1") = "5"
    & skf21("3","1","2","3","2","2","7","1") = "6"
    & skf21("3","1","2","3","2","3","1","1") = "2"
    & skf21("3","1","2","3","2","3","2","1") = "2"
    & skf21("3","1","2","3","2","3","3","1") = "2"
    & skf21("3","1","2","3","2","3","4","1") = "3"
    & skf21("3","1","2","3","2","3","5","1") = "4"
    & skf21("3","1","2","3","2","3","6","1") = "5"
    & skf21("3","1","2","3","2","3","7","1") = "6"
    & skf21("3","1","2","3","2","4","1","1") = "3"
    & skf21("3","1","2","3","2","4","2","1") = "3"
    & skf21("3","1","2","3","2","4","3","1") = "3"
    & skf21("3","1","2","3","2","4","4","1") = "3"
    & skf21("3","1","2","3","2","4","5","1") = "4"
    & skf21("3","1","2","3","2","4","6","1") = "5"
    & skf21("3","1","2","3","2","4","7","1") = "6"
    & skf21("3","1","2","3","2","5","1","1") = "4"
    & skf21("3","1","2","3","2","5","2","1") = "4"
    & skf21("3","1","2","3","2","5","3","1") = "4"
    & skf21("3","1","2","3","2","5","4","1") = "4"
    & skf21("3","1","2","3","2","5","5","1") = "4"
    & skf21("3","1","2","3","2","5","6","1") = "5"
    & skf21("3","1","2","3","2","5","7","1") = "6"
    & skf21("3","1","2","3","2","6","1","1") = "5"
    & skf21("3","1","2","3","2","6","2","1") = "5"
    & skf21("3","1","2","3","2","6","3","1") = "5"
    & skf21("3","1","2","3","2","6","4","1") = "5"
    & skf21("3","1","2","3","2","6","5","1") = "5"
    & skf21("3","1","2","3","2","6","6","1") = "5"
    & skf21("3","1","2","3","2","6","7","1") = "6"
    & skf21("3","1","2","3","2","7","1","1") = "6"
    & skf21("3","1","2","3","2","7","2","1") = "6"
    & skf21("3","1","2","3","2","7","3","1") = "6"
    & skf21("3","1","2","3","2","7","4","1") = "6"
    & skf21("3","1","2","3","2","7","5","1") = "6"
    & skf21("3","1","2","3","2","7","6","1") = "6"
    & skf21("3","1","2","3","2","7","7","1") = "6"
    & skf21("3","1","2","3","3","1","1","1") = "2"
    & skf21("3","1","2","3","3","1","2","1") = "2"
    & skf21("3","1","2","3","3","1","3","1") = "2"
    & skf21("3","1","2","3","3","1","4","1") = "3"
    & skf21("3","1","2","3","3","1","5","1") = "4"
    & skf21("3","1","2","3","3","1","6","1") = "5"
    & skf21("3","1","2","3","3","1","7","1") = "6"
    & skf21("3","1","2","3","3","2","1","1") = "2"
    & skf21("3","1","2","3","3","2","2","1") = "2"
    & skf21("3","1","2","3","3","2","3","1") = "2"
    & skf21("3","1","2","3","3","2","4","1") = "3"
    & skf21("3","1","2","3","3","2","5","1") = "4"
    & skf21("3","1","2","3","3","2","6","1") = "5"
    & skf21("3","1","2","3","3","2","7","1") = "6"
    & skf21("3","1","2","3","3","3","1","1") = "2"
    & skf21("3","1","2","3","3","3","2","1") = "2"
    & skf21("3","1","2","3","3","3","3","1") = "2"
    & skf21("3","1","2","3","3","3","4","1") = "3"
    & skf21("3","1","2","3","3","3","5","1") = "4"
    & skf21("3","1","2","3","3","3","6","1") = "5"
    & skf21("3","1","2","3","3","3","7","1") = "6"
    & skf21("3","1","2","3","3","4","1","1") = "3"
    & skf21("3","1","2","3","3","4","2","1") = "3"
    & skf21("3","1","2","3","3","4","3","1") = "3"
    & skf21("3","1","2","3","3","4","4","1") = "3"
    & skf21("3","1","2","3","3","4","5","1") = "4"
    & skf21("3","1","2","3","3","4","6","1") = "5"
    & skf21("3","1","2","3","3","4","7","1") = "6"
    & skf21("3","1","2","3","3","5","1","1") = "4"
    & skf21("3","1","2","3","3","5","2","1") = "4"
    & skf21("3","1","2","3","3","5","3","1") = "4"
    & skf21("3","1","2","3","3","5","4","1") = "4"
    & skf21("3","1","2","3","3","5","5","1") = "4"
    & skf21("3","1","2","3","3","5","6","1") = "5"
    & skf21("3","1","2","3","3","5","7","1") = "6"
    & skf21("3","1","2","3","3","6","1","1") = "5"
    & skf21("3","1","2","3","3","6","2","1") = "5"
    & skf21("3","1","2","3","3","6","3","1") = "5"
    & skf21("3","1","2","3","3","6","4","1") = "5"
    & skf21("3","1","2","3","3","6","5","1") = "5"
    & skf21("3","1","2","3","3","6","6","1") = "5"
    & skf21("3","1","2","3","3","6","7","1") = "6"
    & skf21("3","1","2","3","3","7","1","1") = "6"
    & skf21("3","1","2","3","3","7","2","1") = "6"
    & skf21("3","1","2","3","3","7","3","1") = "6"
    & skf21("3","1","2","3","3","7","4","1") = "6"
    & skf21("3","1","2","3","3","7","5","1") = "6"
    & skf21("3","1","2","3","3","7","6","1") = "6"
    & skf21("3","1","2","3","3","7","7","1") = "6"
    & skf21("3","1","2","3","4","1","1","1") = "3"
    & skf21("3","1","2","3","4","1","2","1") = "3"
    & skf21("3","1","2","3","4","1","3","1") = "3"
    & skf21("3","1","2","3","4","1","4","1") = "3"
    & skf21("3","1","2","3","4","1","5","1") = "4"
    & skf21("3","1","2","3","4","1","6","1") = "5"
    & skf21("3","1","2","3","4","1","7","1") = "6"
    & skf21("3","1","2","3","4","2","1","1") = "3"
    & skf21("3","1","2","3","4","2","2","1") = "3"
    & skf21("3","1","2","3","4","2","3","1") = "3"
    & skf21("3","1","2","3","4","2","4","1") = "3"
    & skf21("3","1","2","3","4","2","5","1") = "4"
    & skf21("3","1","2","3","4","2","6","1") = "5"
    & skf21("3","1","2","3","4","2","7","1") = "6"
    & skf21("3","1","2","3","4","3","1","1") = "3"
    & skf21("3","1","2","3","4","3","2","1") = "3"
    & skf21("3","1","2","3","4","3","3","1") = "3"
    & skf21("3","1","2","3","4","3","4","1") = "3"
    & skf21("3","1","2","3","4","3","5","1") = "4"
    & skf21("3","1","2","3","4","3","6","1") = "5"
    & skf21("3","1","2","3","4","3","7","1") = "6"
    & skf21("3","1","2","3","4","4","1","1") = "3"
    & skf21("3","1","2","3","4","4","2","1") = "3"
    & skf21("3","1","2","3","4","4","3","1") = "3"
    & skf21("3","1","2","3","4","4","4","1") = "3"
    & skf21("3","1","2","3","4","4","5","1") = "4"
    & skf21("3","1","2","3","4","4","6","1") = "5"
    & skf21("3","1","2","3","4","4","7","1") = "6"
    & skf21("3","1","2","3","4","5","1","1") = "4"
    & skf21("3","1","2","3","4","5","2","1") = "4"
    & skf21("3","1","2","3","4","5","3","1") = "4"
    & skf21("3","1","2","3","4","5","4","1") = "4"
    & skf21("3","1","2","3","4","5","5","1") = "4"
    & skf21("3","1","2","3","4","5","6","1") = "5"
    & skf21("3","1","2","3","4","5","7","1") = "6"
    & skf21("3","1","2","3","4","6","1","1") = "5"
    & skf21("3","1","2","3","4","6","2","1") = "5"
    & skf21("3","1","2","3","4","6","3","1") = "5"
    & skf21("3","1","2","3","4","6","4","1") = "5"
    & skf21("3","1","2","3","4","6","5","1") = "5"
    & skf21("3","1","2","3","4","6","6","1") = "5"
    & skf21("3","1","2","3","4","6","7","1") = "6"
    & skf21("3","1","2","3","4","7","1","1") = "6"
    & skf21("3","1","2","3","4","7","2","1") = "6"
    & skf21("3","1","2","3","4","7","3","1") = "6"
    & skf21("3","1","2","3","4","7","4","1") = "6"
    & skf21("3","1","2","3","4","7","5","1") = "6"
    & skf21("3","1","2","3","4","7","6","1") = "6"
    & skf21("3","1","2","3","4","7","7","1") = "6"
    & skf21("3","1","2","3","5","1","1","1") = "4"
    & skf21("3","1","2","3","5","1","2","1") = "4"
    & skf21("3","1","2","3","5","1","3","1") = "4"
    & skf21("3","1","2","3","5","1","4","1") = "4"
    & skf21("3","1","2","3","5","1","5","1") = "4"
    & skf21("3","1","2","3","5","1","6","1") = "5"
    & skf21("3","1","2","3","5","1","7","1") = "6"
    & skf21("3","1","2","3","5","2","1","1") = "4"
    & skf21("3","1","2","3","5","2","2","1") = "4"
    & skf21("3","1","2","3","5","2","3","1") = "4"
    & skf21("3","1","2","3","5","2","4","1") = "4"
    & skf21("3","1","2","3","5","2","5","1") = "4"
    & skf21("3","1","2","3","5","2","6","1") = "5"
    & skf21("3","1","2","3","5","2","7","1") = "6"
    & skf21("3","1","2","3","5","3","1","1") = "4"
    & skf21("3","1","2","3","5","3","2","1") = "4"
    & skf21("3","1","2","3","5","3","3","1") = "4"
    & skf21("3","1","2","3","5","3","4","1") = "4"
    & skf21("3","1","2","3","5","3","5","1") = "4"
    & skf21("3","1","2","3","5","3","6","1") = "5"
    & skf21("3","1","2","3","5","3","7","1") = "6"
    & skf21("3","1","2","3","5","4","1","1") = "4"
    & skf21("3","1","2","3","5","4","2","1") = "4"
    & skf21("3","1","2","3","5","4","3","1") = "4"
    & skf21("3","1","2","3","5","4","4","1") = "4"
    & skf21("3","1","2","3","5","4","5","1") = "4"
    & skf21("3","1","2","3","5","4","6","1") = "5"
    & skf21("3","1","2","3","5","4","7","1") = "6"
    & skf21("3","1","2","3","5","5","1","1") = "4"
    & skf21("3","1","2","3","5","5","2","1") = "4"
    & skf21("3","1","2","3","5","5","3","1") = "4"
    & skf21("3","1","2","3","5","5","4","1") = "4"
    & skf21("3","1","2","3","5","5","5","1") = "4"
    & skf21("3","1","2","3","5","5","6","1") = "5"
    & skf21("3","1","2","3","5","5","7","1") = "6"
    & skf21("3","1","2","3","5","6","1","1") = "5"
    & skf21("3","1","2","3","5","6","2","1") = "5"
    & skf21("3","1","2","3","5","6","3","1") = "5"
    & skf21("3","1","2","3","5","6","4","1") = "5"
    & skf21("3","1","2","3","5","6","5","1") = "5"
    & skf21("3","1","2","3","5","6","6","1") = "5"
    & skf21("3","1","2","3","5","6","7","1") = "6"
    & skf21("3","1","2","3","5","7","1","1") = "6"
    & skf21("3","1","2","3","5","7","2","1") = "6"
    & skf21("3","1","2","3","5","7","3","1") = "6"
    & skf21("3","1","2","3","5","7","4","1") = "6"
    & skf21("3","1","2","3","5","7","5","1") = "6"
    & skf21("3","1","2","3","5","7","6","1") = "6"
    & skf21("3","1","2","3","5","7","7","1") = "6"
    & skf21("3","1","2","3","6","1","1","1") = "5"
    & skf21("3","1","2","3","6","1","2","1") = "5"
    & skf21("3","1","2","3","6","1","3","1") = "5"
    & skf21("3","1","2","3","6","1","4","1") = "5"
    & skf21("3","1","2","3","6","1","5","1") = "5"
    & skf21("3","1","2","3","6","1","6","1") = "5"
    & skf21("3","1","2","3","6","1","7","1") = "6"
    & skf21("3","1","2","3","6","2","1","1") = "5"
    & skf21("3","1","2","3","6","2","2","1") = "5"
    & skf21("3","1","2","3","6","2","3","1") = "5"
    & skf21("3","1","2","3","6","2","4","1") = "5"
    & skf21("3","1","2","3","6","2","5","1") = "5"
    & skf21("3","1","2","3","6","2","6","1") = "5"
    & skf21("3","1","2","3","6","2","7","1") = "6"
    & skf21("3","1","2","3","6","3","1","1") = "5"
    & skf21("3","1","2","3","6","3","2","1") = "5"
    & skf21("3","1","2","3","6","3","3","1") = "5"
    & skf21("3","1","2","3","6","3","4","1") = "5"
    & skf21("3","1","2","3","6","3","5","1") = "5"
    & skf21("3","1","2","3","6","3","6","1") = "5"
    & skf21("3","1","2","3","6","3","7","1") = "6"
    & skf21("3","1","2","3","6","4","1","1") = "5"
    & skf21("3","1","2","3","6","4","2","1") = "5"
    & skf21("3","1","2","3","6","4","3","1") = "5"
    & skf21("3","1","2","3","6","4","4","1") = "5"
    & skf21("3","1","2","3","6","4","5","1") = "5"
    & skf21("3","1","2","3","6","4","6","1") = "5"
    & skf21("3","1","2","3","6","4","7","1") = "6"
    & skf21("3","1","2","3","6","5","1","1") = "5"
    & skf21("3","1","2","3","6","5","2","1") = "5"
    & skf21("3","1","2","3","6","5","3","1") = "5"
    & skf21("3","1","2","3","6","5","4","1") = "5"
    & skf21("3","1","2","3","6","5","5","1") = "5"
    & skf21("3","1","2","3","6","5","6","1") = "5"
    & skf21("3","1","2","3","6","5","7","1") = "6"
    & skf21("3","1","2","3","6","6","1","1") = "5"
    & skf21("3","1","2","3","6","6","2","1") = "5"
    & skf21("3","1","2","3","6","6","3","1") = "5"
    & skf21("3","1","2","3","6","6","4","1") = "5"
    & skf21("3","1","2","3","6","6","5","1") = "5"
    & skf21("3","1","2","3","6","6","6","1") = "5"
    & skf21("3","1","2","3","6","6","7","1") = "6"
    & skf21("3","1","2","3","6","7","1","1") = "6"
    & skf21("3","1","2","3","6","7","2","1") = "6"
    & skf21("3","1","2","3","6","7","3","1") = "6"
    & skf21("3","1","2","3","6","7","4","1") = "6"
    & skf21("3","1","2","3","6","7","5","1") = "6"
    & skf21("3","1","2","3","6","7","6","1") = "6"
    & skf21("3","1","2","3","6","7","7","1") = "6"
    & skf21("3","1","2","3","7","1","1","1") = "6"
    & skf21("3","1","2","3","7","1","2","1") = "6"
    & skf21("3","1","2","3","7","1","3","1") = "6"
    & skf21("3","1","2","3","7","1","4","1") = "6"
    & skf21("3","1","2","3","7","1","5","1") = "6"
    & skf21("3","1","2","3","7","1","6","1") = "6"
    & skf21("3","1","2","3","7","1","7","1") = "6"
    & skf21("3","1","2","3","7","2","1","1") = "6"
    & skf21("3","1","2","3","7","2","2","1") = "6"
    & skf21("3","1","2","3","7","2","3","1") = "6"
    & skf21("3","1","2","3","7","2","4","1") = "6"
    & skf21("3","1","2","3","7","2","5","1") = "6"
    & skf21("3","1","2","3","7","2","6","1") = "6"
    & skf21("3","1","2","3","7","2","7","1") = "6"
    & skf21("3","1","2","3","7","3","1","1") = "6"
    & skf21("3","1","2","3","7","3","2","1") = "6"
    & skf21("3","1","2","3","7","3","3","1") = "6"
    & skf21("3","1","2","3","7","3","4","1") = "6"
    & skf21("3","1","2","3","7","3","5","1") = "6"
    & skf21("3","1","2","3","7","3","6","1") = "6"
    & skf21("3","1","2","3","7","3","7","1") = "6"
    & skf21("3","1","2","3","7","4","1","1") = "6"
    & skf21("3","1","2","3","7","4","2","1") = "6"
    & skf21("3","1","2","3","7","4","3","1") = "6"
    & skf21("3","1","2","3","7","4","4","1") = "6"
    & skf21("3","1","2","3","7","4","5","1") = "6"
    & skf21("3","1","2","3","7","4","6","1") = "6"
    & skf21("3","1","2","3","7","4","7","1") = "6"
    & skf21("3","1","2","3","7","5","1","1") = "6"
    & skf21("3","1","2","3","7","5","2","1") = "6"
    & skf21("3","1","2","3","7","5","3","1") = "6"
    & skf21("3","1","2","3","7","5","4","1") = "6"
    & skf21("3","1","2","3","7","5","5","1") = "6"
    & skf21("3","1","2","3","7","5","6","1") = "6"
    & skf21("3","1","2","3","7","5","7","1") = "6"
    & skf21("3","1","2","3","7","6","1","1") = "6"
    & skf21("3","1","2","3","7","6","2","1") = "6"
    & skf21("3","1","2","3","7","6","3","1") = "6"
    & skf21("3","1","2","3","7","6","4","1") = "6"
    & skf21("3","1","2","3","7","6","5","1") = "6"
    & skf21("3","1","2","3","7","6","6","1") = "6"
    & skf21("3","1","2","3","7","6","7","1") = "6"
    & skf21("3","1","2","3","7","7","1","1") = "6"
    & skf21("3","1","2","3","7","7","2","1") = "6"
    & skf21("3","1","2","3","7","7","3","1") = "6"
    & skf21("3","1","2","3","7","7","4","1") = "6"
    & skf21("3","1","2","3","7","7","5","1") = "6"
    & skf21("3","1","2","3","7","7","6","1") = "6"
    & skf21("3","1","2","3","7","7","7","1") = "6"
    & skf21("3","1","2","4","1","1","1","1") = "3"
    & skf21("3","1","2","4","1","1","2","1") = "3"
    & skf21("3","1","2","4","1","1","3","1") = "3"
    & skf21("3","1","2","4","1","1","4","1") = "3"
    & skf21("3","1","2","4","1","1","5","1") = "4"
    & skf21("3","1","2","4","1","1","6","1") = "5"
    & skf21("3","1","2","4","1","1","7","1") = "6"
    & skf21("3","1","2","4","1","2","1","1") = "3"
    & skf21("3","1","2","4","1","2","2","1") = "3"
    & skf21("3","1","2","4","1","2","3","1") = "3"
    & skf21("3","1","2","4","1","2","4","1") = "3"
    & skf21("3","1","2","4","1","2","5","1") = "4"
    & skf21("3","1","2","4","1","2","6","1") = "5"
    & skf21("3","1","2","4","1","2","7","1") = "6"
    & skf21("3","1","2","4","1","3","1","1") = "3"
    & skf21("3","1","2","4","1","3","2","1") = "3"
    & skf21("3","1","2","4","1","3","3","1") = "3"
    & skf21("3","1","2","4","1","3","4","1") = "3"
    & skf21("3","1","2","4","1","3","5","1") = "4"
    & skf21("3","1","2","4","1","3","6","1") = "5"
    & skf21("3","1","2","4","1","3","7","1") = "6"
    & skf21("3","1","2","4","1","4","1","1") = "3"
    & skf21("3","1","2","4","1","4","2","1") = "3"
    & skf21("3","1","2","4","1","4","3","1") = "3"
    & skf21("3","1","2","4","1","4","4","1") = "3"
    & skf21("3","1","2","4","1","4","5","1") = "4"
    & skf21("3","1","2","4","1","4","6","1") = "5"
    & skf21("3","1","2","4","1","4","7","1") = "6"
    & skf21("3","1","2","4","1","5","1","1") = "4"
    & skf21("3","1","2","4","1","5","2","1") = "4"
    & skf21("3","1","2","4","1","5","3","1") = "4"
    & skf21("3","1","2","4","1","5","4","1") = "4"
    & skf21("3","1","2","4","1","5","5","1") = "4"
    & skf21("3","1","2","4","1","5","6","1") = "5"
    & skf21("3","1","2","4","1","5","7","1") = "6"
    & skf21("3","1","2","4","1","6","1","1") = "5"
    & skf21("3","1","2","4","1","6","2","1") = "5"
    & skf21("3","1","2","4","1","6","3","1") = "5"
    & skf21("3","1","2","4","1","6","4","1") = "5"
    & skf21("3","1","2","4","1","6","5","1") = "5"
    & skf21("3","1","2","4","1","6","6","1") = "5"
    & skf21("3","1","2","4","1","6","7","1") = "6"
    & skf21("3","1","2","4","1","7","1","1") = "6"
    & skf21("3","1","2","4","1","7","2","1") = "6"
    & skf21("3","1","2","4","1","7","3","1") = "6"
    & skf21("3","1","2","4","1","7","4","1") = "6"
    & skf21("3","1","2","4","1","7","5","1") = "6"
    & skf21("3","1","2","4","1","7","6","1") = "6"
    & skf21("3","1","2","4","1","7","7","1") = "6"
    & skf21("3","1","2","4","2","1","1","1") = "3"
    & skf21("3","1","2","4","2","1","2","1") = "3"
    & skf21("3","1","2","4","2","1","3","1") = "3"
    & skf21("3","1","2","4","2","1","4","1") = "3"
    & skf21("3","1","2","4","2","1","5","1") = "4"
    & skf21("3","1","2","4","2","1","6","1") = "5"
    & skf21("3","1","2","4","2","1","7","1") = "6"
    & skf21("3","1","2","4","2","2","1","1") = "3"
    & skf21("3","1","2","4","2","2","2","1") = "3"
    & skf21("3","1","2","4","2","2","3","1") = "3"
    & skf21("3","1","2","4","2","2","4","1") = "3"
    & skf21("3","1","2","4","2","2","5","1") = "4"
    & skf21("3","1","2","4","2","2","6","1") = "5"
    & skf21("3","1","2","4","2","2","7","1") = "6"
    & skf21("3","1","2","4","2","3","1","1") = "3"
    & skf21("3","1","2","4","2","3","2","1") = "3"
    & skf21("3","1","2","4","2","3","3","1") = "3"
    & skf21("3","1","2","4","2","3","4","1") = "3"
    & skf21("3","1","2","4","2","3","5","1") = "4"
    & skf21("3","1","2","4","2","3","6","1") = "5"
    & skf21("3","1","2","4","2","3","7","1") = "6"
    & skf21("3","1","2","4","2","4","1","1") = "3"
    & skf21("3","1","2","4","2","4","2","1") = "3"
    & skf21("3","1","2","4","2","4","3","1") = "3"
    & skf21("3","1","2","4","2","4","4","1") = "3"
    & skf21("3","1","2","4","2","4","5","1") = "4"
    & skf21("3","1","2","4","2","4","6","1") = "5"
    & skf21("3","1","2","4","2","4","7","1") = "6"
    & skf21("3","1","2","4","2","5","1","1") = "4"
    & skf21("3","1","2","4","2","5","2","1") = "4"
    & skf21("3","1","2","4","2","5","3","1") = "4"
    & skf21("3","1","2","4","2","5","4","1") = "4"
    & skf21("3","1","2","4","2","5","5","1") = "4"
    & skf21("3","1","2","4","2","5","6","1") = "5"
    & skf21("3","1","2","4","2","5","7","1") = "6"
    & skf21("3","1","2","4","2","6","1","1") = "5"
    & skf21("3","1","2","4","2","6","2","1") = "5"
    & skf21("3","1","2","4","2","6","3","1") = "5"
    & skf21("3","1","2","4","2","6","4","1") = "5"
    & skf21("3","1","2","4","2","6","5","1") = "5"
    & skf21("3","1","2","4","2","6","6","1") = "5"
    & skf21("3","1","2","4","2","6","7","1") = "6"
    & skf21("3","1","2","4","2","7","1","1") = "6"
    & skf21("3","1","2","4","2","7","2","1") = "6"
    & skf21("3","1","2","4","2","7","3","1") = "6"
    & skf21("3","1","2","4","2","7","4","1") = "6"
    & skf21("3","1","2","4","2","7","5","1") = "6"
    & skf21("3","1","2","4","2","7","6","1") = "6"
    & skf21("3","1","2","4","2","7","7","1") = "6"
    & skf21("3","1","2","4","3","1","1","1") = "3"
    & skf21("3","1","2","4","3","1","2","1") = "3"
    & skf21("3","1","2","4","3","1","3","1") = "3"
    & skf21("3","1","2","4","3","1","4","1") = "3"
    & skf21("3","1","2","4","3","1","5","1") = "4"
    & skf21("3","1","2","4","3","1","6","1") = "5"
    & skf21("3","1","2","4","3","1","7","1") = "6"
    & skf21("3","1","2","4","3","2","1","1") = "3"
    & skf21("3","1","2","4","3","2","2","1") = "3"
    & skf21("3","1","2","4","3","2","3","1") = "3"
    & skf21("3","1","2","4","3","2","4","1") = "3"
    & skf21("3","1","2","4","3","2","5","1") = "4"
    & skf21("3","1","2","4","3","2","6","1") = "5"
    & skf21("3","1","2","4","3","2","7","1") = "6"
    & skf21("3","1","2","4","3","3","1","1") = "3"
    & skf21("3","1","2","4","3","3","2","1") = "3"
    & skf21("3","1","2","4","3","3","3","1") = "3"
    & skf21("3","1","2","4","3","3","4","1") = "3"
    & skf21("3","1","2","4","3","3","5","1") = "4"
    & skf21("3","1","2","4","3","3","6","1") = "5"
    & skf21("3","1","2","4","3","3","7","1") = "6"
    & skf21("3","1","2","4","3","4","1","1") = "3"
    & skf21("3","1","2","4","3","4","2","1") = "3"
    & skf21("3","1","2","4","3","4","3","1") = "3"
    & skf21("3","1","2","4","3","4","4","1") = "3"
    & skf21("3","1","2","4","3","4","5","1") = "4"
    & skf21("3","1","2","4","3","4","6","1") = "5"
    & skf21("3","1","2","4","3","4","7","1") = "6"
    & skf21("3","1","2","4","3","5","1","1") = "4"
    & skf21("3","1","2","4","3","5","2","1") = "4"
    & skf21("3","1","2","4","3","5","3","1") = "4"
    & skf21("3","1","2","4","3","5","4","1") = "4"
    & skf21("3","1","2","4","3","5","5","1") = "4"
    & skf21("3","1","2","4","3","5","6","1") = "5"
    & skf21("3","1","2","4","3","5","7","1") = "6"
    & skf21("3","1","2","4","3","6","1","1") = "5"
    & skf21("3","1","2","4","3","6","2","1") = "5"
    & skf21("3","1","2","4","3","6","3","1") = "5"
    & skf21("3","1","2","4","3","6","4","1") = "5"
    & skf21("3","1","2","4","3","6","5","1") = "5"
    & skf21("3","1","2","4","3","6","6","1") = "5"
    & skf21("3","1","2","4","3","6","7","1") = "6"
    & skf21("3","1","2","4","3","7","1","1") = "6"
    & skf21("3","1","2","4","3","7","2","1") = "6"
    & skf21("3","1","2","4","3","7","3","1") = "6"
    & skf21("3","1","2","4","3","7","4","1") = "6"
    & skf21("3","1","2","4","3","7","5","1") = "6"
    & skf21("3","1","2","4","3","7","6","1") = "6"
    & skf21("3","1","2","4","3","7","7","1") = "6"
    & skf21("3","1","2","4","4","1","1","1") = "3"
    & skf21("3","1","2","4","4","1","2","1") = "3"
    & skf21("3","1","2","4","4","1","3","1") = "3"
    & skf21("3","1","2","4","4","1","4","1") = "3"
    & skf21("3","1","2","4","4","1","5","1") = "4"
    & skf21("3","1","2","4","4","1","6","1") = "5"
    & skf21("3","1","2","4","4","1","7","1") = "6"
    & skf21("3","1","2","4","4","2","1","1") = "3"
    & skf21("3","1","2","4","4","2","2","1") = "3"
    & skf21("3","1","2","4","4","2","3","1") = "3"
    & skf21("3","1","2","4","4","2","4","1") = "3"
    & skf21("3","1","2","4","4","2","5","1") = "4"
    & skf21("3","1","2","4","4","2","6","1") = "5"
    & skf21("3","1","2","4","4","2","7","1") = "6"
    & skf21("3","1","2","4","4","3","1","1") = "3"
    & skf21("3","1","2","4","4","3","2","1") = "3"
    & skf21("3","1","2","4","4","3","3","1") = "3"
    & skf21("3","1","2","4","4","3","4","1") = "3"
    & skf21("3","1","2","4","4","3","5","1") = "4"
    & skf21("3","1","2","4","4","3","6","1") = "5"
    & skf21("3","1","2","4","4","3","7","1") = "6"
    & skf21("3","1","2","4","4","4","1","1") = "3"
    & skf21("3","1","2","4","4","4","2","1") = "3"
    & skf21("3","1","2","4","4","4","3","1") = "3"
    & skf21("3","1","2","4","4","4","4","1") = "3"
    & skf21("3","1","2","4","4","4","5","1") = "4"
    & skf21("3","1","2","4","4","4","6","1") = "5"
    & skf21("3","1","2","4","4","4","7","1") = "6"
    & skf21("3","1","2","4","4","5","1","1") = "4"
    & skf21("3","1","2","4","4","5","2","1") = "4"
    & skf21("3","1","2","4","4","5","3","1") = "4"
    & skf21("3","1","2","4","4","5","4","1") = "4"
    & skf21("3","1","2","4","4","5","5","1") = "4"
    & skf21("3","1","2","4","4","5","6","1") = "5"
    & skf21("3","1","2","4","4","5","7","1") = "6"
    & skf21("3","1","2","4","4","6","1","1") = "5"
    & skf21("3","1","2","4","4","6","2","1") = "5"
    & skf21("3","1","2","4","4","6","3","1") = "5"
    & skf21("3","1","2","4","4","6","4","1") = "5"
    & skf21("3","1","2","4","4","6","5","1") = "5"
    & skf21("3","1","2","4","4","6","6","1") = "5"
    & skf21("3","1","2","4","4","6","7","1") = "6"
    & skf21("3","1","2","4","4","7","1","1") = "6"
    & skf21("3","1","2","4","4","7","2","1") = "6"
    & skf21("3","1","2","4","4","7","3","1") = "6"
    & skf21("3","1","2","4","4","7","4","1") = "6"
    & skf21("3","1","2","4","4","7","5","1") = "6"
    & skf21("3","1","2","4","4","7","6","1") = "6"
    & skf21("3","1","2","4","4","7","7","1") = "6"
    & skf21("3","1","2","4","5","1","1","1") = "4"
    & skf21("3","1","2","4","5","1","2","1") = "4"
    & skf21("3","1","2","4","5","1","3","1") = "4"
    & skf21("3","1","2","4","5","1","4","1") = "4"
    & skf21("3","1","2","4","5","1","5","1") = "4"
    & skf21("3","1","2","4","5","1","6","1") = "5"
    & skf21("3","1","2","4","5","1","7","1") = "6"
    & skf21("3","1","2","4","5","2","1","1") = "4"
    & skf21("3","1","2","4","5","2","2","1") = "4"
    & skf21("3","1","2","4","5","2","3","1") = "4"
    & skf21("3","1","2","4","5","2","4","1") = "4"
    & skf21("3","1","2","4","5","2","5","1") = "4"
    & skf21("3","1","2","4","5","2","6","1") = "5"
    & skf21("3","1","2","4","5","2","7","1") = "6"
    & skf21("3","1","2","4","5","3","1","1") = "4"
    & skf21("3","1","2","4","5","3","2","1") = "4"
    & skf21("3","1","2","4","5","3","3","1") = "4"
    & skf21("3","1","2","4","5","3","4","1") = "4"
    & skf21("3","1","2","4","5","3","5","1") = "4"
    & skf21("3","1","2","4","5","3","6","1") = "5"
    & skf21("3","1","2","4","5","3","7","1") = "6"
    & skf21("3","1","2","4","5","4","1","1") = "4"
    & skf21("3","1","2","4","5","4","2","1") = "4"
    & skf21("3","1","2","4","5","4","3","1") = "4"
    & skf21("3","1","2","4","5","4","4","1") = "4"
    & skf21("3","1","2","4","5","4","5","1") = "4"
    & skf21("3","1","2","4","5","4","6","1") = "5"
    & skf21("3","1","2","4","5","4","7","1") = "6"
    & skf21("3","1","2","4","5","5","1","1") = "4"
    & skf21("3","1","2","4","5","5","2","1") = "4"
    & skf21("3","1","2","4","5","5","3","1") = "4"
    & skf21("3","1","2","4","5","5","4","1") = "4"
    & skf21("3","1","2","4","5","5","5","1") = "4"
    & skf21("3","1","2","4","5","5","6","1") = "5"
    & skf21("3","1","2","4","5","5","7","1") = "6"
    & skf21("3","1","2","4","5","6","1","1") = "5"
    & skf21("3","1","2","4","5","6","2","1") = "5"
    & skf21("3","1","2","4","5","6","3","1") = "5"
    & skf21("3","1","2","4","5","6","4","1") = "5"
    & skf21("3","1","2","4","5","6","5","1") = "5"
    & skf21("3","1","2","4","5","6","6","1") = "5"
    & skf21("3","1","2","4","5","6","7","1") = "6"
    & skf21("3","1","2","4","5","7","1","1") = "6"
    & skf21("3","1","2","4","5","7","2","1") = "6"
    & skf21("3","1","2","4","5","7","3","1") = "6"
    & skf21("3","1","2","4","5","7","4","1") = "6"
    & skf21("3","1","2","4","5","7","5","1") = "6"
    & skf21("3","1","2","4","5","7","6","1") = "6"
    & skf21("3","1","2","4","5","7","7","1") = "6"
    & skf21("3","1","2","4","6","1","1","1") = "5"
    & skf21("3","1","2","4","6","1","2","1") = "5"
    & skf21("3","1","2","4","6","1","3","1") = "5"
    & skf21("3","1","2","4","6","1","4","1") = "5"
    & skf21("3","1","2","4","6","1","5","1") = "5"
    & skf21("3","1","2","4","6","1","6","1") = "5"
    & skf21("3","1","2","4","6","1","7","1") = "6"
    & skf21("3","1","2","4","6","2","1","1") = "5"
    & skf21("3","1","2","4","6","2","2","1") = "5"
    & skf21("3","1","2","4","6","2","3","1") = "5"
    & skf21("3","1","2","4","6","2","4","1") = "5"
    & skf21("3","1","2","4","6","2","5","1") = "5"
    & skf21("3","1","2","4","6","2","6","1") = "5"
    & skf21("3","1","2","4","6","2","7","1") = "6"
    & skf21("3","1","2","4","6","3","1","1") = "5"
    & skf21("3","1","2","4","6","3","2","1") = "5"
    & skf21("3","1","2","4","6","3","3","1") = "5"
    & skf21("3","1","2","4","6","3","4","1") = "5"
    & skf21("3","1","2","4","6","3","5","1") = "5"
    & skf21("3","1","2","4","6","3","6","1") = "5"
    & skf21("3","1","2","4","6","3","7","1") = "6"
    & skf21("3","1","2","4","6","4","1","1") = "5"
    & skf21("3","1","2","4","6","4","2","1") = "5"
    & skf21("3","1","2","4","6","4","3","1") = "5"
    & skf21("3","1","2","4","6","4","4","1") = "5"
    & skf21("3","1","2","4","6","4","5","1") = "5"
    & skf21("3","1","2","4","6","4","6","1") = "5"
    & skf21("3","1","2","4","6","4","7","1") = "6"
    & skf21("3","1","2","4","6","5","1","1") = "5"
    & skf21("3","1","2","4","6","5","2","1") = "5"
    & skf21("3","1","2","4","6","5","3","1") = "5"
    & skf21("3","1","2","4","6","5","4","1") = "5"
    & skf21("3","1","2","4","6","5","5","1") = "5"
    & skf21("3","1","2","4","6","5","6","1") = "5"
    & skf21("3","1","2","4","6","5","7","1") = "6"
    & skf21("3","1","2","4","6","6","1","1") = "5"
    & skf21("3","1","2","4","6","6","2","1") = "5"
    & skf21("3","1","2","4","6","6","3","1") = "5"
    & skf21("3","1","2","4","6","6","4","1") = "5"
    & skf21("3","1","2","4","6","6","5","1") = "5"
    & skf21("3","1","2","4","6","6","6","1") = "5"
    & skf21("3","1","2","4","6","6","7","1") = "6"
    & skf21("3","1","2","4","6","7","1","1") = "6"
    & skf21("3","1","2","4","6","7","2","1") = "6"
    & skf21("3","1","2","4","6","7","3","1") = "6"
    & skf21("3","1","2","4","6","7","4","1") = "6"
    & skf21("3","1","2","4","6","7","5","1") = "6"
    & skf21("3","1","2","4","6","7","6","1") = "6"
    & skf21("3","1","2","4","6","7","7","1") = "6"
    & skf21("3","1","2","4","7","1","1","1") = "6"
    & skf21("3","1","2","4","7","1","2","1") = "6"
    & skf21("3","1","2","4","7","1","3","1") = "6"
    & skf21("3","1","2","4","7","1","4","1") = "6"
    & skf21("3","1","2","4","7","1","5","1") = "6"
    & skf21("3","1","2","4","7","1","6","1") = "6"
    & skf21("3","1","2","4","7","1","7","1") = "6"
    & skf21("3","1","2","4","7","2","1","1") = "6"
    & skf21("3","1","2","4","7","2","2","1") = "6"
    & skf21("3","1","2","4","7","2","3","1") = "6"
    & skf21("3","1","2","4","7","2","4","1") = "6"
    & skf21("3","1","2","4","7","2","5","1") = "6"
    & skf21("3","1","2","4","7","2","6","1") = "6"
    & skf21("3","1","2","4","7","2","7","1") = "6"
    & skf21("3","1","2","4","7","3","1","1") = "6"
    & skf21("3","1","2","4","7","3","2","1") = "6"
    & skf21("3","1","2","4","7","3","3","1") = "6"
    & skf21("3","1","2","4","7","3","4","1") = "6"
    & skf21("3","1","2","4","7","3","5","1") = "6"
    & skf21("3","1","2","4","7","3","6","1") = "6"
    & skf21("3","1","2","4","7","3","7","1") = "6"
    & skf21("3","1","2","4","7","4","1","1") = "6"
    & skf21("3","1","2","4","7","4","2","1") = "6"
    & skf21("3","1","2","4","7","4","3","1") = "6"
    & skf21("3","1","2","4","7","4","4","1") = "6"
    & skf21("3","1","2","4","7","4","5","1") = "6"
    & skf21("3","1","2","4","7","4","6","1") = "6"
    & skf21("3","1","2","4","7","4","7","1") = "6"
    & skf21("3","1","2","4","7","5","1","1") = "6"
    & skf21("3","1","2","4","7","5","2","1") = "6"
    & skf21("3","1","2","4","7","5","3","1") = "6"
    & skf21("3","1","2","4","7","5","4","1") = "6"
    & skf21("3","1","2","4","7","5","5","1") = "6"
    & skf21("3","1","2","4","7","5","6","1") = "6"
    & skf21("3","1","2","4","7","5","7","1") = "6"
    & skf21("3","1","2","4","7","6","1","1") = "6"
    & skf21("3","1","2","4","7","6","2","1") = "6"
    & skf21("3","1","2","4","7","6","3","1") = "6"
    & skf21("3","1","2","4","7","6","4","1") = "6"
    & skf21("3","1","2","4","7","6","5","1") = "6"
    & skf21("3","1","2","4","7","6","6","1") = "6"
    & skf21("3","1","2","4","7","6","7","1") = "6"
    & skf21("3","1","2","4","7","7","1","1") = "6"
    & skf21("3","1","2","4","7","7","2","1") = "6"
    & skf21("3","1","2","4","7","7","3","1") = "6"
    & skf21("3","1","2","4","7","7","4","1") = "6"
    & skf21("3","1","2","4","7","7","5","1") = "6"
    & skf21("3","1","2","4","7","7","6","1") = "6"
    & skf21("3","1","2","4","7","7","7","1") = "6"
    & skf21("3","1","2","5","1","1","1","1") = "4"
    & skf21("3","1","2","5","1","1","2","1") = "4"
    & skf21("3","1","2","5","1","1","3","1") = "4"
    & skf21("3","1","2","5","1","1","4","1") = "4"
    & skf21("3","1","2","5","1","1","5","1") = "4"
    & skf21("3","1","2","5","1","1","6","1") = "5"
    & skf21("3","1","2","5","1","1","7","1") = "6"
    & skf21("3","1","2","5","1","2","1","1") = "4"
    & skf21("3","1","2","5","1","2","2","1") = "4"
    & skf21("3","1","2","5","1","2","3","1") = "4"
    & skf21("3","1","2","5","1","2","4","1") = "4"
    & skf21("3","1","2","5","1","2","5","1") = "4"
    & skf21("3","1","2","5","1","2","6","1") = "5"
    & skf21("3","1","2","5","1","2","7","1") = "6"
    & skf21("3","1","2","5","1","3","1","1") = "4"
    & skf21("3","1","2","5","1","3","2","1") = "4"
    & skf21("3","1","2","5","1","3","3","1") = "4"
    & skf21("3","1","2","5","1","3","4","1") = "4"
    & skf21("3","1","2","5","1","3","5","1") = "4"
    & skf21("3","1","2","5","1","3","6","1") = "5"
    & skf21("3","1","2","5","1","3","7","1") = "6"
    & skf21("3","1","2","5","1","4","1","1") = "4"
    & skf21("3","1","2","5","1","4","2","1") = "4"
    & skf21("3","1","2","5","1","4","3","1") = "4"
    & skf21("3","1","2","5","1","4","4","1") = "4"
    & skf21("3","1","2","5","1","4","5","1") = "4"
    & skf21("3","1","2","5","1","4","6","1") = "5"
    & skf21("3","1","2","5","1","4","7","1") = "6"
    & skf21("3","1","2","5","1","5","1","1") = "4"
    & skf21("3","1","2","5","1","5","2","1") = "4"
    & skf21("3","1","2","5","1","5","3","1") = "4"
    & skf21("3","1","2","5","1","5","4","1") = "4"
    & skf21("3","1","2","5","1","5","5","1") = "4"
    & skf21("3","1","2","5","1","5","6","1") = "5"
    & skf21("3","1","2","5","1","5","7","1") = "6"
    & skf21("3","1","2","5","1","6","1","1") = "5"
    & skf21("3","1","2","5","1","6","2","1") = "5"
    & skf21("3","1","2","5","1","6","3","1") = "5"
    & skf21("3","1","2","5","1","6","4","1") = "5"
    & skf21("3","1","2","5","1","6","5","1") = "5"
    & skf21("3","1","2","5","1","6","6","1") = "5"
    & skf21("3","1","2","5","1","6","7","1") = "6"
    & skf21("3","1","2","5","1","7","1","1") = "6"
    & skf21("3","1","2","5","1","7","2","1") = "6"
    & skf21("3","1","2","5","1","7","3","1") = "6"
    & skf21("3","1","2","5","1","7","4","1") = "6"
    & skf21("3","1","2","5","1","7","5","1") = "6"
    & skf21("3","1","2","5","1","7","6","1") = "6"
    & skf21("3","1","2","5","1","7","7","1") = "6"
    & skf21("3","1","2","5","2","1","1","1") = "4"
    & skf21("3","1","2","5","2","1","2","1") = "4"
    & skf21("3","1","2","5","2","1","3","1") = "4"
    & skf21("3","1","2","5","2","1","4","1") = "4"
    & skf21("3","1","2","5","2","1","5","1") = "4"
    & skf21("3","1","2","5","2","1","6","1") = "5"
    & skf21("3","1","2","5","2","1","7","1") = "6"
    & skf21("3","1","2","5","2","2","1","1") = "4"
    & skf21("3","1","2","5","2","2","2","1") = "4"
    & skf21("3","1","2","5","2","2","3","1") = "4"
    & skf21("3","1","2","5","2","2","4","1") = "4"
    & skf21("3","1","2","5","2","2","5","1") = "4"
    & skf21("3","1","2","5","2","2","6","1") = "5"
    & skf21("3","1","2","5","2","2","7","1") = "6"
    & skf21("3","1","2","5","2","3","1","1") = "4"
    & skf21("3","1","2","5","2","3","2","1") = "4"
    & skf21("3","1","2","5","2","3","3","1") = "4"
    & skf21("3","1","2","5","2","3","4","1") = "4"
    & skf21("3","1","2","5","2","3","5","1") = "4"
    & skf21("3","1","2","5","2","3","6","1") = "5"
    & skf21("3","1","2","5","2","3","7","1") = "6"
    & skf21("3","1","2","5","2","4","1","1") = "4"
    & skf21("3","1","2","5","2","4","2","1") = "4"
    & skf21("3","1","2","5","2","4","3","1") = "4"
    & skf21("3","1","2","5","2","4","4","1") = "4"
    & skf21("3","1","2","5","2","4","5","1") = "4"
    & skf21("3","1","2","5","2","4","6","1") = "5"
    & skf21("3","1","2","5","2","4","7","1") = "6"
    & skf21("3","1","2","5","2","5","1","1") = "4"
    & skf21("3","1","2","5","2","5","2","1") = "4"
    & skf21("3","1","2","5","2","5","3","1") = "4"
    & skf21("3","1","2","5","2","5","4","1") = "4"
    & skf21("3","1","2","5","2","5","5","1") = "4"
    & skf21("3","1","2","5","2","5","6","1") = "5"
    & skf21("3","1","2","5","2","5","7","1") = "6"
    & skf21("3","1","2","5","2","6","1","1") = "5"
    & skf21("3","1","2","5","2","6","2","1") = "5"
    & skf21("3","1","2","5","2","6","3","1") = "5"
    & skf21("3","1","2","5","2","6","4","1") = "5"
    & skf21("3","1","2","5","2","6","5","1") = "5"
    & skf21("3","1","2","5","2","6","6","1") = "5"
    & skf21("3","1","2","5","2","6","7","1") = "6"
    & skf21("3","1","2","5","2","7","1","1") = "6"
    & skf21("3","1","2","5","2","7","2","1") = "6"
    & skf21("3","1","2","5","2","7","3","1") = "6"
    & skf21("3","1","2","5","2","7","4","1") = "6"
    & skf21("3","1","2","5","2","7","5","1") = "6"
    & skf21("3","1","2","5","2","7","6","1") = "6"
    & skf21("3","1","2","5","2","7","7","1") = "6"
    & skf21("3","1","2","5","3","1","1","1") = "4"
    & skf21("3","1","2","5","3","1","2","1") = "4"
    & skf21("3","1","2","5","3","1","3","1") = "4"
    & skf21("3","1","2","5","3","1","4","1") = "4"
    & skf21("3","1","2","5","3","1","5","1") = "4"
    & skf21("3","1","2","5","3","1","6","1") = "5"
    & skf21("3","1","2","5","3","1","7","1") = "6"
    & skf21("3","1","2","5","3","2","1","1") = "4"
    & skf21("3","1","2","5","3","2","2","1") = "4"
    & skf21("3","1","2","5","3","2","3","1") = "4"
    & skf21("3","1","2","5","3","2","4","1") = "4"
    & skf21("3","1","2","5","3","2","5","1") = "4"
    & skf21("3","1","2","5","3","2","6","1") = "5"
    & skf21("3","1","2","5","3","2","7","1") = "6"
    & skf21("3","1","2","5","3","3","1","1") = "4"
    & skf21("3","1","2","5","3","3","2","1") = "4"
    & skf21("3","1","2","5","3","3","3","1") = "4"
    & skf21("3","1","2","5","3","3","4","1") = "4"
    & skf21("3","1","2","5","3","3","5","1") = "4"
    & skf21("3","1","2","5","3","3","6","1") = "5"
    & skf21("3","1","2","5","3","3","7","1") = "6"
    & skf21("3","1","2","5","3","4","1","1") = "4"
    & skf21("3","1","2","5","3","4","2","1") = "4"
    & skf21("3","1","2","5","3","4","3","1") = "4"
    & skf21("3","1","2","5","3","4","4","1") = "4"
    & skf21("3","1","2","5","3","4","5","1") = "4"
    & skf21("3","1","2","5","3","4","6","1") = "5"
    & skf21("3","1","2","5","3","4","7","1") = "6"
    & skf21("3","1","2","5","3","5","1","1") = "4"
    & skf21("3","1","2","5","3","5","2","1") = "4"
    & skf21("3","1","2","5","3","5","3","1") = "4"
    & skf21("3","1","2","5","3","5","4","1") = "4"
    & skf21("3","1","2","5","3","5","5","1") = "4"
    & skf21("3","1","2","5","3","5","6","1") = "5"
    & skf21("3","1","2","5","3","5","7","1") = "6"
    & skf21("3","1","2","5","3","6","1","1") = "5"
    & skf21("3","1","2","5","3","6","2","1") = "5"
    & skf21("3","1","2","5","3","6","3","1") = "5"
    & skf21("3","1","2","5","3","6","4","1") = "5"
    & skf21("3","1","2","5","3","6","5","1") = "5"
    & skf21("3","1","2","5","3","6","6","1") = "5"
    & skf21("3","1","2","5","3","6","7","1") = "6"
    & skf21("3","1","2","5","3","7","1","1") = "6"
    & skf21("3","1","2","5","3","7","2","1") = "6"
    & skf21("3","1","2","5","3","7","3","1") = "6"
    & skf21("3","1","2","5","3","7","4","1") = "6"
    & skf21("3","1","2","5","3","7","5","1") = "6"
    & skf21("3","1","2","5","3","7","6","1") = "6"
    & skf21("3","1","2","5","3","7","7","1") = "6"
    & skf21("3","1","2","5","4","1","1","1") = "4"
    & skf21("3","1","2","5","4","1","2","1") = "4"
    & skf21("3","1","2","5","4","1","3","1") = "4"
    & skf21("3","1","2","5","4","1","4","1") = "4"
    & skf21("3","1","2","5","4","1","5","1") = "4"
    & skf21("3","1","2","5","4","1","6","1") = "5"
    & skf21("3","1","2","5","4","1","7","1") = "6"
    & skf21("3","1","2","5","4","2","1","1") = "4"
    & skf21("3","1","2","5","4","2","2","1") = "4"
    & skf21("3","1","2","5","4","2","3","1") = "4"
    & skf21("3","1","2","5","4","2","4","1") = "4"
    & skf21("3","1","2","5","4","2","5","1") = "4"
    & skf21("3","1","2","5","4","2","6","1") = "5"
    & skf21("3","1","2","5","4","2","7","1") = "6"
    & skf21("3","1","2","5","4","3","1","1") = "4"
    & skf21("3","1","2","5","4","3","2","1") = "4"
    & skf21("3","1","2","5","4","3","3","1") = "4"
    & skf21("3","1","2","5","4","3","4","1") = "4"
    & skf21("3","1","2","5","4","3","5","1") = "4"
    & skf21("3","1","2","5","4","3","6","1") = "5"
    & skf21("3","1","2","5","4","3","7","1") = "6"
    & skf21("3","1","2","5","4","4","1","1") = "4"
    & skf21("3","1","2","5","4","4","2","1") = "4"
    & skf21("3","1","2","5","4","4","3","1") = "4"
    & skf21("3","1","2","5","4","4","4","1") = "4"
    & skf21("3","1","2","5","4","4","5","1") = "4"
    & skf21("3","1","2","5","4","4","6","1") = "5"
    & skf21("3","1","2","5","4","4","7","1") = "6"
    & skf21("3","1","2","5","4","5","1","1") = "4"
    & skf21("3","1","2","5","4","5","2","1") = "4"
    & skf21("3","1","2","5","4","5","3","1") = "4"
    & skf21("3","1","2","5","4","5","4","1") = "4"
    & skf21("3","1","2","5","4","5","5","1") = "4"
    & skf21("3","1","2","5","4","5","6","1") = "5"
    & skf21("3","1","2","5","4","5","7","1") = "6"
    & skf21("3","1","2","5","4","6","1","1") = "5"
    & skf21("3","1","2","5","4","6","2","1") = "5"
    & skf21("3","1","2","5","4","6","3","1") = "5"
    & skf21("3","1","2","5","4","6","4","1") = "5"
    & skf21("3","1","2","5","4","6","5","1") = "5"
    & skf21("3","1","2","5","4","6","6","1") = "5"
    & skf21("3","1","2","5","4","6","7","1") = "6"
    & skf21("3","1","2","5","4","7","1","1") = "6"
    & skf21("3","1","2","5","4","7","2","1") = "6"
    & skf21("3","1","2","5","4","7","3","1") = "6"
    & skf21("3","1","2","5","4","7","4","1") = "6"
    & skf21("3","1","2","5","4","7","5","1") = "6"
    & skf21("3","1","2","5","4","7","6","1") = "6"
    & skf21("3","1","2","5","4","7","7","1") = "6"
    & skf21("3","1","2","5","5","1","1","1") = "4"
    & skf21("3","1","2","5","5","1","2","1") = "4"
    & skf21("3","1","2","5","5","1","3","1") = "4"
    & skf21("3","1","2","5","5","1","4","1") = "4"
    & skf21("3","1","2","5","5","1","5","1") = "4"
    & skf21("3","1","2","5","5","1","6","1") = "5"
    & skf21("3","1","2","5","5","1","7","1") = "6"
    & skf21("3","1","2","5","5","2","1","1") = "4"
    & skf21("3","1","2","5","5","2","2","1") = "4"
    & skf21("3","1","2","5","5","2","3","1") = "4"
    & skf21("3","1","2","5","5","2","4","1") = "4"
    & skf21("3","1","2","5","5","2","5","1") = "4"
    & skf21("3","1","2","5","5","2","6","1") = "5"
    & skf21("3","1","2","5","5","2","7","1") = "6"
    & skf21("3","1","2","5","5","3","1","1") = "4"
    & skf21("3","1","2","5","5","3","2","1") = "4"
    & skf21("3","1","2","5","5","3","3","1") = "4"
    & skf21("3","1","2","5","5","3","4","1") = "4"
    & skf21("3","1","2","5","5","3","5","1") = "4"
    & skf21("3","1","2","5","5","3","6","1") = "5"
    & skf21("3","1","2","5","5","3","7","1") = "6"
    & skf21("3","1","2","5","5","4","1","1") = "4"
    & skf21("3","1","2","5","5","4","2","1") = "4"
    & skf21("3","1","2","5","5","4","3","1") = "4"
    & skf21("3","1","2","5","5","4","4","1") = "4"
    & skf21("3","1","2","5","5","4","5","1") = "4"
    & skf21("3","1","2","5","5","4","6","1") = "5"
    & skf21("3","1","2","5","5","4","7","1") = "6"
    & skf21("3","1","2","5","5","5","1","1") = "4"
    & skf21("3","1","2","5","5","5","2","1") = "4"
    & skf21("3","1","2","5","5","5","3","1") = "4"
    & skf21("3","1","2","5","5","5","4","1") = "4"
    & skf21("3","1","2","5","5","5","5","1") = "4"
    & skf21("3","1","2","5","5","5","6","1") = "5"
    & skf21("3","1","2","5","5","5","7","1") = "6"
    & skf21("3","1","2","5","5","6","1","1") = "5"
    & skf21("3","1","2","5","5","6","2","1") = "5"
    & skf21("3","1","2","5","5","6","3","1") = "5"
    & skf21("3","1","2","5","5","6","4","1") = "5"
    & skf21("3","1","2","5","5","6","5","1") = "5"
    & skf21("3","1","2","5","5","6","6","1") = "5"
    & skf21("3","1","2","5","5","6","7","1") = "6"
    & skf21("3","1","2","5","5","7","1","1") = "6"
    & skf21("3","1","2","5","5","7","2","1") = "6"
    & skf21("3","1","2","5","5","7","3","1") = "6"
    & skf21("3","1","2","5","5","7","4","1") = "6"
    & skf21("3","1","2","5","5","7","5","1") = "6"
    & skf21("3","1","2","5","5","7","6","1") = "6"
    & skf21("3","1","2","5","5","7","7","1") = "6"
    & skf21("3","1","2","5","6","1","1","1") = "5"
    & skf21("3","1","2","5","6","1","2","1") = "5"
    & skf21("3","1","2","5","6","1","3","1") = "5"
    & skf21("3","1","2","5","6","1","4","1") = "5"
    & skf21("3","1","2","5","6","1","5","1") = "5"
    & skf21("3","1","2","5","6","1","6","1") = "5"
    & skf21("3","1","2","5","6","1","7","1") = "6"
    & skf21("3","1","2","5","6","2","1","1") = "5"
    & skf21("3","1","2","5","6","2","2","1") = "5"
    & skf21("3","1","2","5","6","2","3","1") = "5"
    & skf21("3","1","2","5","6","2","4","1") = "5"
    & skf21("3","1","2","5","6","2","5","1") = "5"
    & skf21("3","1","2","5","6","2","6","1") = "5"
    & skf21("3","1","2","5","6","2","7","1") = "6"
    & skf21("3","1","2","5","6","3","1","1") = "5"
    & skf21("3","1","2","5","6","3","2","1") = "5"
    & skf21("3","1","2","5","6","3","3","1") = "5"
    & skf21("3","1","2","5","6","3","4","1") = "5"
    & skf21("3","1","2","5","6","3","5","1") = "5"
    & skf21("3","1","2","5","6","3","6","1") = "5"
    & skf21("3","1","2","5","6","3","7","1") = "6"
    & skf21("3","1","2","5","6","4","1","1") = "5"
    & skf21("3","1","2","5","6","4","2","1") = "5"
    & skf21("3","1","2","5","6","4","3","1") = "5"
    & skf21("3","1","2","5","6","4","4","1") = "5"
    & skf21("3","1","2","5","6","4","5","1") = "5"
    & skf21("3","1","2","5","6","4","6","1") = "5"
    & skf21("3","1","2","5","6","4","7","1") = "6"
    & skf21("3","1","2","5","6","5","1","1") = "5"
    & skf21("3","1","2","5","6","5","2","1") = "5"
    & skf21("3","1","2","5","6","5","3","1") = "5"
    & skf21("3","1","2","5","6","5","4","1") = "5"
    & skf21("3","1","2","5","6","5","5","1") = "5"
    & skf21("3","1","2","5","6","5","6","1") = "5"
    & skf21("3","1","2","5","6","5","7","1") = "6"
    & skf21("3","1","2","5","6","6","1","1") = "5"
    & skf21("3","1","2","5","6","6","2","1") = "5"
    & skf21("3","1","2","5","6","6","3","1") = "5"
    & skf21("3","1","2","5","6","6","4","1") = "5"
    & skf21("3","1","2","5","6","6","5","1") = "5"
    & skf21("3","1","2","5","6","6","6","1") = "5"
    & skf21("3","1","2","5","6","6","7","1") = "6"
    & skf21("3","1","2","5","6","7","1","1") = "6"
    & skf21("3","1","2","5","6","7","2","1") = "6"
    & skf21("3","1","2","5","6","7","3","1") = "6"
    & skf21("3","1","2","5","6","7","4","1") = "6"
    & skf21("3","1","2","5","6","7","5","1") = "6"
    & skf21("3","1","2","5","6","7","6","1") = "6"
    & skf21("3","1","2","5","6","7","7","1") = "6"
    & skf21("3","1","2","5","7","1","1","1") = "6"
    & skf21("3","1","2","5","7","1","2","1") = "6"
    & skf21("3","1","2","5","7","1","3","1") = "6"
    & skf21("3","1","2","5","7","1","4","1") = "6"
    & skf21("3","1","2","5","7","1","5","1") = "6"
    & skf21("3","1","2","5","7","1","6","1") = "6"
    & skf21("3","1","2","5","7","1","7","1") = "6"
    & skf21("3","1","2","5","7","2","1","1") = "6"
    & skf21("3","1","2","5","7","2","2","1") = "6"
    & skf21("3","1","2","5","7","2","3","1") = "6"
    & skf21("3","1","2","5","7","2","4","1") = "6"
    & skf21("3","1","2","5","7","2","5","1") = "6"
    & skf21("3","1","2","5","7","2","6","1") = "6"
    & skf21("3","1","2","5","7","2","7","1") = "6"
    & skf21("3","1","2","5","7","3","1","1") = "6"
    & skf21("3","1","2","5","7","3","2","1") = "6"
    & skf21("3","1","2","5","7","3","3","1") = "6"
    & skf21("3","1","2","5","7","3","4","1") = "6"
    & skf21("3","1","2","5","7","3","5","1") = "6"
    & skf21("3","1","2","5","7","3","6","1") = "6"
    & skf21("3","1","2","5","7","3","7","1") = "6"
    & skf21("3","1","2","5","7","4","1","1") = "6"
    & skf21("3","1","2","5","7","4","2","1") = "6"
    & skf21("3","1","2","5","7","4","3","1") = "6"
    & skf21("3","1","2","5","7","4","4","1") = "6"
    & skf21("3","1","2","5","7","4","5","1") = "6"
    & skf21("3","1","2","5","7","4","6","1") = "6"
    & skf21("3","1","2","5","7","4","7","1") = "6"
    & skf21("3","1","2","5","7","5","1","1") = "6"
    & skf21("3","1","2","5","7","5","2","1") = "6"
    & skf21("3","1","2","5","7","5","3","1") = "6"
    & skf21("3","1","2","5","7","5","4","1") = "6"
    & skf21("3","1","2","5","7","5","5","1") = "6"
    & skf21("3","1","2","5","7","5","6","1") = "6"
    & skf21("3","1","2","5","7","5","7","1") = "6"
    & skf21("3","1","2","5","7","6","1","1") = "6"
    & skf21("3","1","2","5","7","6","2","1") = "6"
    & skf21("3","1","2","5","7","6","3","1") = "6"
    & skf21("3","1","2","5","7","6","4","1") = "6"
    & skf21("3","1","2","5","7","6","5","1") = "6"
    & skf21("3","1","2","5","7","6","6","1") = "6"
    & skf21("3","1","2","5","7","6","7","1") = "6"
    & skf21("3","1","2","5","7","7","1","1") = "6"
    & skf21("3","1","2","5","7","7","2","1") = "6"
    & skf21("3","1","2","5","7","7","3","1") = "6"
    & skf21("3","1","2","5","7","7","4","1") = "6"
    & skf21("3","1","2","5","7","7","5","1") = "6"
    & skf21("3","1","2","5","7","7","6","1") = "6"
    & skf21("3","1","2","5","7","7","7","1") = "6"
    & skf21("3","1","2","6","1","1","1","1") = "5"
    & skf21("3","1","2","6","1","1","2","1") = "5"
    & skf21("3","1","2","6","1","1","3","1") = "5"
    & skf21("3","1","2","6","1","1","4","1") = "5"
    & skf21("3","1","2","6","1","1","5","1") = "5"
    & skf21("3","1","2","6","1","1","6","1") = "5"
    & skf21("3","1","2","6","1","1","7","1") = "6"
    & skf21("3","1","2","6","1","2","1","1") = "5"
    & skf21("3","1","2","6","1","2","2","1") = "5"
    & skf21("3","1","2","6","1","2","3","1") = "5"
    & skf21("3","1","2","6","1","2","4","1") = "5"
    & skf21("3","1","2","6","1","2","5","1") = "5"
    & skf21("3","1","2","6","1","2","6","1") = "5"
    & skf21("3","1","2","6","1","2","7","1") = "6"
    & skf21("3","1","2","6","1","3","1","1") = "5"
    & skf21("3","1","2","6","1","3","2","1") = "5"
    & skf21("3","1","2","6","1","3","3","1") = "5"
    & skf21("3","1","2","6","1","3","4","1") = "5"
    & skf21("3","1","2","6","1","3","5","1") = "5"
    & skf21("3","1","2","6","1","3","6","1") = "5"
    & skf21("3","1","2","6","1","3","7","1") = "6"
    & skf21("3","1","2","6","1","4","1","1") = "5"
    & skf21("3","1","2","6","1","4","2","1") = "5"
    & skf21("3","1","2","6","1","4","3","1") = "5"
    & skf21("3","1","2","6","1","4","4","1") = "5"
    & skf21("3","1","2","6","1","4","5","1") = "5"
    & skf21("3","1","2","6","1","4","6","1") = "5"
    & skf21("3","1","2","6","1","4","7","1") = "6"
    & skf21("3","1","2","6","1","5","1","1") = "5"
    & skf21("3","1","2","6","1","5","2","1") = "5"
    & skf21("3","1","2","6","1","5","3","1") = "5"
    & skf21("3","1","2","6","1","5","4","1") = "5"
    & skf21("3","1","2","6","1","5","5","1") = "5"
    & skf21("3","1","2","6","1","5","6","1") = "5"
    & skf21("3","1","2","6","1","5","7","1") = "6"
    & skf21("3","1","2","6","1","6","1","1") = "5"
    & skf21("3","1","2","6","1","6","2","1") = "5"
    & skf21("3","1","2","6","1","6","3","1") = "5"
    & skf21("3","1","2","6","1","6","4","1") = "5"
    & skf21("3","1","2","6","1","6","5","1") = "5"
    & skf21("3","1","2","6","1","6","6","1") = "5"
    & skf21("3","1","2","6","1","6","7","1") = "6"
    & skf21("3","1","2","6","1","7","1","1") = "6"
    & skf21("3","1","2","6","1","7","2","1") = "6"
    & skf21("3","1","2","6","1","7","3","1") = "6"
    & skf21("3","1","2","6","1","7","4","1") = "6"
    & skf21("3","1","2","6","1","7","5","1") = "6"
    & skf21("3","1","2","6","1","7","6","1") = "6"
    & skf21("3","1","2","6","1","7","7","1") = "6"
    & skf21("3","1","2","6","2","1","1","1") = "5"
    & skf21("3","1","2","6","2","1","2","1") = "5"
    & skf21("3","1","2","6","2","1","3","1") = "5"
    & skf21("3","1","2","6","2","1","4","1") = "5"
    & skf21("3","1","2","6","2","1","5","1") = "5"
    & skf21("3","1","2","6","2","1","6","1") = "5"
    & skf21("3","1","2","6","2","1","7","1") = "6"
    & skf21("3","1","2","6","2","2","1","1") = "5"
    & skf21("3","1","2","6","2","2","2","1") = "5"
    & skf21("3","1","2","6","2","2","3","1") = "5"
    & skf21("3","1","2","6","2","2","4","1") = "5"
    & skf21("3","1","2","6","2","2","5","1") = "5"
    & skf21("3","1","2","6","2","2","6","1") = "5"
    & skf21("3","1","2","6","2","2","7","1") = "6"
    & skf21("3","1","2","6","2","3","1","1") = "5"
    & skf21("3","1","2","6","2","3","2","1") = "5"
    & skf21("3","1","2","6","2","3","3","1") = "5"
    & skf21("3","1","2","6","2","3","4","1") = "5"
    & skf21("3","1","2","6","2","3","5","1") = "5"
    & skf21("3","1","2","6","2","3","6","1") = "5"
    & skf21("3","1","2","6","2","3","7","1") = "6"
    & skf21("3","1","2","6","2","4","1","1") = "5"
    & skf21("3","1","2","6","2","4","2","1") = "5"
    & skf21("3","1","2","6","2","4","3","1") = "5"
    & skf21("3","1","2","6","2","4","4","1") = "5"
    & skf21("3","1","2","6","2","4","5","1") = "5"
    & skf21("3","1","2","6","2","4","6","1") = "5"
    & skf21("3","1","2","6","2","4","7","1") = "6"
    & skf21("3","1","2","6","2","5","1","1") = "5"
    & skf21("3","1","2","6","2","5","2","1") = "5"
    & skf21("3","1","2","6","2","5","3","1") = "5"
    & skf21("3","1","2","6","2","5","4","1") = "5"
    & skf21("3","1","2","6","2","5","5","1") = "5"
    & skf21("3","1","2","6","2","5","6","1") = "5"
    & skf21("3","1","2","6","2","5","7","1") = "6"
    & skf21("3","1","2","6","2","6","1","1") = "5"
    & skf21("3","1","2","6","2","6","2","1") = "5"
    & skf21("3","1","2","6","2","6","3","1") = "5"
    & skf21("3","1","2","6","2","6","4","1") = "5"
    & skf21("3","1","2","6","2","6","5","1") = "5"
    & skf21("3","1","2","6","2","6","6","1") = "5"
    & skf21("3","1","2","6","2","6","7","1") = "6"
    & skf21("3","1","2","6","2","7","1","1") = "6"
    & skf21("3","1","2","6","2","7","2","1") = "6"
    & skf21("3","1","2","6","2","7","3","1") = "6"
    & skf21("3","1","2","6","2","7","4","1") = "6"
    & skf21("3","1","2","6","2","7","5","1") = "6"
    & skf21("3","1","2","6","2","7","6","1") = "6"
    & skf21("3","1","2","6","2","7","7","1") = "6"
    & skf21("3","1","2","6","3","1","1","1") = "5"
    & skf21("3","1","2","6","3","1","2","1") = "5"
    & skf21("3","1","2","6","3","1","3","1") = "5"
    & skf21("3","1","2","6","3","1","4","1") = "5"
    & skf21("3","1","2","6","3","1","5","1") = "5"
    & skf21("3","1","2","6","3","1","6","1") = "5"
    & skf21("3","1","2","6","3","1","7","1") = "6"
    & skf21("3","1","2","6","3","2","1","1") = "5"
    & skf21("3","1","2","6","3","2","2","1") = "5"
    & skf21("3","1","2","6","3","2","3","1") = "5"
    & skf21("3","1","2","6","3","2","4","1") = "5"
    & skf21("3","1","2","6","3","2","5","1") = "5"
    & skf21("3","1","2","6","3","2","6","1") = "5"
    & skf21("3","1","2","6","3","2","7","1") = "6"
    & skf21("3","1","2","6","3","3","1","1") = "5"
    & skf21("3","1","2","6","3","3","2","1") = "5"
    & skf21("3","1","2","6","3","3","3","1") = "5"
    & skf21("3","1","2","6","3","3","4","1") = "5"
    & skf21("3","1","2","6","3","3","5","1") = "5"
    & skf21("3","1","2","6","3","3","6","1") = "5"
    & skf21("3","1","2","6","3","3","7","1") = "6"
    & skf21("3","1","2","6","3","4","1","1") = "5"
    & skf21("3","1","2","6","3","4","2","1") = "5"
    & skf21("3","1","2","6","3","4","3","1") = "5"
    & skf21("3","1","2","6","3","4","4","1") = "5"
    & skf21("3","1","2","6","3","4","5","1") = "5"
    & skf21("3","1","2","6","3","4","6","1") = "5"
    & skf21("3","1","2","6","3","4","7","1") = "6"
    & skf21("3","1","2","6","3","5","1","1") = "5"
    & skf21("3","1","2","6","3","5","2","1") = "5"
    & skf21("3","1","2","6","3","5","3","1") = "5"
    & skf21("3","1","2","6","3","5","4","1") = "5"
    & skf21("3","1","2","6","3","5","5","1") = "5"
    & skf21("3","1","2","6","3","5","6","1") = "5"
    & skf21("3","1","2","6","3","5","7","1") = "6"
    & skf21("3","1","2","6","3","6","1","1") = "5"
    & skf21("3","1","2","6","3","6","2","1") = "5"
    & skf21("3","1","2","6","3","6","3","1") = "5"
    & skf21("3","1","2","6","3","6","4","1") = "5"
    & skf21("3","1","2","6","3","6","5","1") = "5"
    & skf21("3","1","2","6","3","6","6","1") = "5"
    & skf21("3","1","2","6","3","6","7","1") = "6"
    & skf21("3","1","2","6","3","7","1","1") = "6"
    & skf21("3","1","2","6","3","7","2","1") = "6"
    & skf21("3","1","2","6","3","7","3","1") = "6"
    & skf21("3","1","2","6","3","7","4","1") = "6"
    & skf21("3","1","2","6","3","7","5","1") = "6"
    & skf21("3","1","2","6","3","7","6","1") = "6"
    & skf21("3","1","2","6","3","7","7","1") = "6"
    & skf21("3","1","2","6","4","1","1","1") = "5"
    & skf21("3","1","2","6","4","1","2","1") = "5"
    & skf21("3","1","2","6","4","1","3","1") = "5"
    & skf21("3","1","2","6","4","1","4","1") = "5"
    & skf21("3","1","2","6","4","1","5","1") = "5"
    & skf21("3","1","2","6","4","1","6","1") = "5"
    & skf21("3","1","2","6","4","1","7","1") = "6"
    & skf21("3","1","2","6","4","2","1","1") = "5"
    & skf21("3","1","2","6","4","2","2","1") = "5"
    & skf21("3","1","2","6","4","2","3","1") = "5"
    & skf21("3","1","2","6","4","2","4","1") = "5"
    & skf21("3","1","2","6","4","2","5","1") = "5"
    & skf21("3","1","2","6","4","2","6","1") = "5"
    & skf21("3","1","2","6","4","2","7","1") = "6"
    & skf21("3","1","2","6","4","3","1","1") = "5"
    & skf21("3","1","2","6","4","3","2","1") = "5"
    & skf21("3","1","2","6","4","3","3","1") = "5"
    & skf21("3","1","2","6","4","3","4","1") = "5"
    & skf21("3","1","2","6","4","3","5","1") = "5"
    & skf21("3","1","2","6","4","3","6","1") = "5"
    & skf21("3","1","2","6","4","3","7","1") = "6"
    & skf21("3","1","2","6","4","4","1","1") = "5"
    & skf21("3","1","2","6","4","4","2","1") = "5"
    & skf21("3","1","2","6","4","4","3","1") = "5"
    & skf21("3","1","2","6","4","4","4","1") = "5"
    & skf21("3","1","2","6","4","4","5","1") = "5"
    & skf21("3","1","2","6","4","4","6","1") = "5"
    & skf21("3","1","2","6","4","4","7","1") = "6"
    & skf21("3","1","2","6","4","5","1","1") = "5"
    & skf21("3","1","2","6","4","5","2","1") = "5"
    & skf21("3","1","2","6","4","5","3","1") = "5"
    & skf21("3","1","2","6","4","5","4","1") = "5"
    & skf21("3","1","2","6","4","5","5","1") = "5"
    & skf21("3","1","2","6","4","5","6","1") = "5"
    & skf21("3","1","2","6","4","5","7","1") = "6"
    & skf21("3","1","2","6","4","6","1","1") = "5"
    & skf21("3","1","2","6","4","6","2","1") = "5"
    & skf21("3","1","2","6","4","6","3","1") = "5"
    & skf21("3","1","2","6","4","6","4","1") = "5"
    & skf21("3","1","2","6","4","6","5","1") = "5"
    & skf21("3","1","2","6","4","6","6","1") = "5"
    & skf21("3","1","2","6","4","6","7","1") = "6"
    & skf21("3","1","2","6","4","7","1","1") = "6"
    & skf21("3","1","2","6","4","7","2","1") = "6"
    & skf21("3","1","2","6","4","7","3","1") = "6"
    & skf21("3","1","2","6","4","7","4","1") = "6"
    & skf21("3","1","2","6","4","7","5","1") = "6"
    & skf21("3","1","2","6","4","7","6","1") = "6"
    & skf21("3","1","2","6","4","7","7","1") = "6"
    & skf21("3","1","2","6","5","1","1","1") = "5"
    & skf21("3","1","2","6","5","1","2","1") = "5"
    & skf21("3","1","2","6","5","1","3","1") = "5"
    & skf21("3","1","2","6","5","1","4","1") = "5"
    & skf21("3","1","2","6","5","1","5","1") = "5"
    & skf21("3","1","2","6","5","1","6","1") = "5"
    & skf21("3","1","2","6","5","1","7","1") = "6"
    & skf21("3","1","2","6","5","2","1","1") = "5"
    & skf21("3","1","2","6","5","2","2","1") = "5"
    & skf21("3","1","2","6","5","2","3","1") = "5"
    & skf21("3","1","2","6","5","2","4","1") = "5"
    & skf21("3","1","2","6","5","2","5","1") = "5"
    & skf21("3","1","2","6","5","2","6","1") = "5"
    & skf21("3","1","2","6","5","2","7","1") = "6"
    & skf21("3","1","2","6","5","3","1","1") = "5"
    & skf21("3","1","2","6","5","3","2","1") = "5"
    & skf21("3","1","2","6","5","3","3","1") = "5"
    & skf21("3","1","2","6","5","3","4","1") = "5"
    & skf21("3","1","2","6","5","3","5","1") = "5"
    & skf21("3","1","2","6","5","3","6","1") = "5"
    & skf21("3","1","2","6","5","3","7","1") = "6"
    & skf21("3","1","2","6","5","4","1","1") = "5"
    & skf21("3","1","2","6","5","4","2","1") = "5"
    & skf21("3","1","2","6","5","4","3","1") = "5"
    & skf21("3","1","2","6","5","4","4","1") = "5"
    & skf21("3","1","2","6","5","4","5","1") = "5"
    & skf21("3","1","2","6","5","4","6","1") = "5"
    & skf21("3","1","2","6","5","4","7","1") = "6"
    & skf21("3","1","2","6","5","5","1","1") = "5"
    & skf21("3","1","2","6","5","5","2","1") = "5"
    & skf21("3","1","2","6","5","5","3","1") = "5"
    & skf21("3","1","2","6","5","5","4","1") = "5"
    & skf21("3","1","2","6","5","5","5","1") = "5"
    & skf21("3","1","2","6","5","5","6","1") = "5"
    & skf21("3","1","2","6","5","5","7","1") = "6"
    & skf21("3","1","2","6","5","6","1","1") = "5"
    & skf21("3","1","2","6","5","6","2","1") = "5"
    & skf21("3","1","2","6","5","6","3","1") = "5"
    & skf21("3","1","2","6","5","6","4","1") = "5"
    & skf21("3","1","2","6","5","6","5","1") = "5"
    & skf21("3","1","2","6","5","6","6","1") = "5"
    & skf21("3","1","2","6","5","6","7","1") = "6"
    & skf21("3","1","2","6","5","7","1","1") = "6"
    & skf21("3","1","2","6","5","7","2","1") = "6"
    & skf21("3","1","2","6","5","7","3","1") = "6"
    & skf21("3","1","2","6","5","7","4","1") = "6"
    & skf21("3","1","2","6","5","7","5","1") = "6"
    & skf21("3","1","2","6","5","7","6","1") = "6"
    & skf21("3","1","2","6","5","7","7","1") = "6"
    & skf21("3","1","2","6","6","1","1","1") = "5"
    & skf21("3","1","2","6","6","1","2","1") = "5"
    & skf21("3","1","2","6","6","1","3","1") = "5"
    & skf21("3","1","2","6","6","1","4","1") = "5"
    & skf21("3","1","2","6","6","1","5","1") = "5"
    & skf21("3","1","2","6","6","1","6","1") = "5"
    & skf21("3","1","2","6","6","1","7","1") = "6"
    & skf21("3","1","2","6","6","2","1","1") = "5"
    & skf21("3","1","2","6","6","2","2","1") = "5"
    & skf21("3","1","2","6","6","2","3","1") = "5"
    & skf21("3","1","2","6","6","2","4","1") = "5"
    & skf21("3","1","2","6","6","2","5","1") = "5"
    & skf21("3","1","2","6","6","2","6","1") = "5"
    & skf21("3","1","2","6","6","2","7","1") = "6"
    & skf21("3","1","2","6","6","3","1","1") = "5"
    & skf21("3","1","2","6","6","3","2","1") = "5"
    & skf21("3","1","2","6","6","3","3","1") = "5"
    & skf21("3","1","2","6","6","3","4","1") = "5"
    & skf21("3","1","2","6","6","3","5","1") = "5"
    & skf21("3","1","2","6","6","3","6","1") = "5"
    & skf21("3","1","2","6","6","3","7","1") = "6"
    & skf21("3","1","2","6","6","4","1","1") = "5"
    & skf21("3","1","2","6","6","4","2","1") = "5"
    & skf21("3","1","2","6","6","4","3","1") = "5"
    & skf21("3","1","2","6","6","4","4","1") = "5"
    & skf21("3","1","2","6","6","4","5","1") = "5"
    & skf21("3","1","2","6","6","4","6","1") = "5"
    & skf21("3","1","2","6","6","4","7","1") = "6"
    & skf21("3","1","2","6","6","5","1","1") = "5"
    & skf21("3","1","2","6","6","5","2","1") = "5"
    & skf21("3","1","2","6","6","5","3","1") = "5"
    & skf21("3","1","2","6","6","5","4","1") = "5"
    & skf21("3","1","2","6","6","5","5","1") = "5"
    & skf21("3","1","2","6","6","5","6","1") = "5"
    & skf21("3","1","2","6","6","5","7","1") = "6"
    & skf21("3","1","2","6","6","6","1","1") = "5"
    & skf21("3","1","2","6","6","6","2","1") = "5"
    & skf21("3","1","2","6","6","6","3","1") = "5"
    & skf21("3","1","2","6","6","6","4","1") = "5"
    & skf21("3","1","2","6","6","6","5","1") = "5"
    & skf21("3","1","2","6","6","6","6","1") = "5"
    & skf21("3","1","2","6","6","6","7","1") = "6"
    & skf21("3","1","2","6","6","7","1","1") = "6"
    & skf21("3","1","2","6","6","7","2","1") = "6"
    & skf21("3","1","2","6","6","7","3","1") = "6"
    & skf21("3","1","2","6","6","7","4","1") = "6"
    & skf21("3","1","2","6","6","7","5","1") = "6"
    & skf21("3","1","2","6","6","7","6","1") = "6"
    & skf21("3","1","2","6","6","7","7","1") = "6"
    & skf21("3","1","2","6","7","1","1","1") = "6"
    & skf21("3","1","2","6","7","1","2","1") = "6"
    & skf21("3","1","2","6","7","1","3","1") = "6"
    & skf21("3","1","2","6","7","1","4","1") = "6"
    & skf21("3","1","2","6","7","1","5","1") = "6"
    & skf21("3","1","2","6","7","1","6","1") = "6"
    & skf21("3","1","2","6","7","1","7","1") = "6"
    & skf21("3","1","2","6","7","2","1","1") = "6"
    & skf21("3","1","2","6","7","2","2","1") = "6"
    & skf21("3","1","2","6","7","2","3","1") = "6"
    & skf21("3","1","2","6","7","2","4","1") = "6"
    & skf21("3","1","2","6","7","2","5","1") = "6"
    & skf21("3","1","2","6","7","2","6","1") = "6"
    & skf21("3","1","2","6","7","2","7","1") = "6"
    & skf21("3","1","2","6","7","3","1","1") = "6"
    & skf21("3","1","2","6","7","3","2","1") = "6"
    & skf21("3","1","2","6","7","3","3","1") = "6"
    & skf21("3","1","2","6","7","3","4","1") = "6"
    & skf21("3","1","2","6","7","3","5","1") = "6"
    & skf21("3","1","2","6","7","3","6","1") = "6"
    & skf21("3","1","2","6","7","3","7","1") = "6"
    & skf21("3","1","2","6","7","4","1","1") = "6"
    & skf21("3","1","2","6","7","4","2","1") = "6"
    & skf21("3","1","2","6","7","4","3","1") = "6"
    & skf21("3","1","2","6","7","4","4","1") = "6"
    & skf21("3","1","2","6","7","4","5","1") = "6"
    & skf21("3","1","2","6","7","4","6","1") = "6"
    & skf21("3","1","2","6","7","4","7","1") = "6"
    & skf21("3","1","2","6","7","5","1","1") = "6"
    & skf21("3","1","2","6","7","5","2","1") = "6"
    & skf21("3","1","2","6","7","5","3","1") = "6"
    & skf21("3","1","2","6","7","5","4","1") = "6"
    & skf21("3","1","2","6","7","5","5","1") = "6"
    & skf21("3","1","2","6","7","5","6","1") = "6"
    & skf21("3","1","2","6","7","5","7","1") = "6"
    & skf21("3","1","2","6","7","6","1","1") = "6"
    & skf21("3","1","2","6","7","6","2","1") = "6"
    & skf21("3","1","2","6","7","6","3","1") = "6"
    & skf21("3","1","2","6","7","6","4","1") = "6"
    & skf21("3","1","2","6","7","6","5","1") = "6"
    & skf21("3","1","2","6","7","6","6","1") = "6"
    & skf21("3","1","2","6","7","6","7","1") = "6"
    & skf21("3","1","2","6","7","7","1","1") = "6"
    & skf21("3","1","2","6","7","7","2","1") = "6"
    & skf21("3","1","2","6","7","7","3","1") = "6"
    & skf21("3","1","2","6","7","7","4","1") = "6"
    & skf21("3","1","2","6","7","7","5","1") = "6"
    & skf21("3","1","2","6","7","7","6","1") = "6"
    & skf21("3","1","2","6","7","7","7","1") = "6"
    & skf21("3","1","2","7","1","1","1","1") = "6"
    & skf21("3","1","2","7","1","1","2","1") = "6"
    & skf21("3","1","2","7","1","1","3","1") = "6"
    & skf21("3","1","2","7","1","1","4","1") = "6"
    & skf21("3","1","2","7","1","1","5","1") = "6"
    & skf21("3","1","2","7","1","1","6","1") = "6"
    & skf21("3","1","2","7","1","1","7","1") = "6"
    & skf21("3","1","2","7","1","2","1","1") = "6"
    & skf21("3","1","2","7","1","2","2","1") = "6"
    & skf21("3","1","2","7","1","2","3","1") = "6"
    & skf21("3","1","2","7","1","2","4","1") = "6"
    & skf21("3","1","2","7","1","2","5","1") = "6"
    & skf21("3","1","2","7","1","2","6","1") = "6"
    & skf21("3","1","2","7","1","2","7","1") = "6"
    & skf21("3","1","2","7","1","3","1","1") = "6"
    & skf21("3","1","2","7","1","3","2","1") = "6"
    & skf21("3","1","2","7","1","3","3","1") = "6"
    & skf21("3","1","2","7","1","3","4","1") = "6"
    & skf21("3","1","2","7","1","3","5","1") = "6"
    & skf21("3","1","2","7","1","3","6","1") = "6"
    & skf21("3","1","2","7","1","3","7","1") = "6"
    & skf21("3","1","2","7","1","4","1","1") = "6"
    & skf21("3","1","2","7","1","4","2","1") = "6"
    & skf21("3","1","2","7","1","4","3","1") = "6"
    & skf21("3","1","2","7","1","4","4","1") = "6"
    & skf21("3","1","2","7","1","4","5","1") = "6"
    & skf21("3","1","2","7","1","4","6","1") = "6"
    & skf21("3","1","2","7","1","4","7","1") = "6"
    & skf21("3","1","2","7","1","5","1","1") = "6"
    & skf21("3","1","2","7","1","5","2","1") = "6"
    & skf21("3","1","2","7","1","5","3","1") = "6"
    & skf21("3","1","2","7","1","5","4","1") = "6"
    & skf21("3","1","2","7","1","5","5","1") = "6"
    & skf21("3","1","2","7","1","5","6","1") = "6"
    & skf21("3","1","2","7","1","5","7","1") = "6"
    & skf21("3","1","2","7","1","6","1","1") = "6"
    & skf21("3","1","2","7","1","6","2","1") = "6"
    & skf21("3","1","2","7","1","6","3","1") = "6"
    & skf21("3","1","2","7","1","6","4","1") = "6"
    & skf21("3","1","2","7","1","6","5","1") = "6"
    & skf21("3","1","2","7","1","6","6","1") = "6"
    & skf21("3","1","2","7","1","6","7","1") = "6"
    & skf21("3","1","2","7","1","7","1","1") = "6"
    & skf21("3","1","2","7","1","7","2","1") = "6"
    & skf21("3","1","2","7","1","7","3","1") = "6"
    & skf21("3","1","2","7","1","7","4","1") = "6"
    & skf21("3","1","2","7","1","7","5","1") = "6"
    & skf21("3","1","2","7","1","7","6","1") = "6"
    & skf21("3","1","2","7","1","7","7","1") = "6"
    & skf21("3","1","2","7","2","1","1","1") = "6"
    & skf21("3","1","2","7","2","1","2","1") = "6"
    & skf21("3","1","2","7","2","1","3","1") = "6"
    & skf21("3","1","2","7","2","1","4","1") = "6"
    & skf21("3","1","2","7","2","1","5","1") = "6"
    & skf21("3","1","2","7","2","1","6","1") = "6"
    & skf21("3","1","2","7","2","1","7","1") = "6"
    & skf21("3","1","2","7","2","2","1","1") = "6"
    & skf21("3","1","2","7","2","2","2","1") = "6"
    & skf21("3","1","2","7","2","2","3","1") = "6"
    & skf21("3","1","2","7","2","2","4","1") = "6"
    & skf21("3","1","2","7","2","2","5","1") = "6"
    & skf21("3","1","2","7","2","2","6","1") = "6"
    & skf21("3","1","2","7","2","2","7","1") = "6"
    & skf21("3","1","2","7","2","3","1","1") = "6"
    & skf21("3","1","2","7","2","3","2","1") = "6"
    & skf21("3","1","2","7","2","3","3","1") = "6"
    & skf21("3","1","2","7","2","3","4","1") = "6"
    & skf21("3","1","2","7","2","3","5","1") = "6"
    & skf21("3","1","2","7","2","3","6","1") = "6"
    & skf21("3","1","2","7","2","3","7","1") = "6"
    & skf21("3","1","2","7","2","4","1","1") = "6"
    & skf21("3","1","2","7","2","4","2","1") = "6"
    & skf21("3","1","2","7","2","4","3","1") = "6"
    & skf21("3","1","2","7","2","4","4","1") = "6"
    & skf21("3","1","2","7","2","4","5","1") = "6"
    & skf21("3","1","2","7","2","4","6","1") = "6"
    & skf21("3","1","2","7","2","4","7","1") = "6"
    & skf21("3","1","2","7","2","5","1","1") = "6"
    & skf21("3","1","2","7","2","5","2","1") = "6"
    & skf21("3","1","2","7","2","5","3","1") = "6"
    & skf21("3","1","2","7","2","5","4","1") = "6"
    & skf21("3","1","2","7","2","5","5","1") = "6"
    & skf21("3","1","2","7","2","5","6","1") = "6"
    & skf21("3","1","2","7","2","5","7","1") = "6"
    & skf21("3","1","2","7","2","6","1","1") = "6"
    & skf21("3","1","2","7","2","6","2","1") = "6"
    & skf21("3","1","2","7","2","6","3","1") = "6"
    & skf21("3","1","2","7","2","6","4","1") = "6"
    & skf21("3","1","2","7","2","6","5","1") = "6"
    & skf21("3","1","2","7","2","6","6","1") = "6"
    & skf21("3","1","2","7","2","6","7","1") = "6"
    & skf21("3","1","2","7","2","7","1","1") = "6"
    & skf21("3","1","2","7","2","7","2","1") = "6"
    & skf21("3","1","2","7","2","7","3","1") = "6"
    & skf21("3","1","2","7","2","7","4","1") = "6"
    & skf21("3","1","2","7","2","7","5","1") = "6"
    & skf21("3","1","2","7","2","7","6","1") = "6"
    & skf21("3","1","2","7","2","7","7","1") = "6"
    & skf21("3","1","2","7","3","1","1","1") = "6"
    & skf21("3","1","2","7","3","1","2","1") = "6"
    & skf21("3","1","2","7","3","1","3","1") = "6"
    & skf21("3","1","2","7","3","1","4","1") = "6"
    & skf21("3","1","2","7","3","1","5","1") = "6"
    & skf21("3","1","2","7","3","1","6","1") = "6"
    & skf21("3","1","2","7","3","1","7","1") = "6"
    & skf21("3","1","2","7","3","2","1","1") = "6"
    & skf21("3","1","2","7","3","2","2","1") = "6"
    & skf21("3","1","2","7","3","2","3","1") = "6"
    & skf21("3","1","2","7","3","2","4","1") = "6"
    & skf21("3","1","2","7","3","2","5","1") = "6"
    & skf21("3","1","2","7","3","2","6","1") = "6"
    & skf21("3","1","2","7","3","2","7","1") = "6"
    & skf21("3","1","2","7","3","3","1","1") = "6"
    & skf21("3","1","2","7","3","3","2","1") = "6"
    & skf21("3","1","2","7","3","3","3","1") = "6"
    & skf21("3","1","2","7","3","3","4","1") = "6"
    & skf21("3","1","2","7","3","3","5","1") = "6"
    & skf21("3","1","2","7","3","3","6","1") = "6"
    & skf21("3","1","2","7","3","3","7","1") = "6"
    & skf21("3","1","2","7","3","4","1","1") = "6"
    & skf21("3","1","2","7","3","4","2","1") = "6"
    & skf21("3","1","2","7","3","4","3","1") = "6"
    & skf21("3","1","2","7","3","4","4","1") = "6"
    & skf21("3","1","2","7","3","4","5","1") = "6"
    & skf21("3","1","2","7","3","4","6","1") = "6"
    & skf21("3","1","2","7","3","4","7","1") = "6"
    & skf21("3","1","2","7","3","5","1","1") = "6"
    & skf21("3","1","2","7","3","5","2","1") = "6"
    & skf21("3","1","2","7","3","5","3","1") = "6"
    & skf21("3","1","2","7","3","5","4","1") = "6"
    & skf21("3","1","2","7","3","5","5","1") = "6"
    & skf21("3","1","2","7","3","5","6","1") = "6"
    & skf21("3","1","2","7","3","5","7","1") = "6"
    & skf21("3","1","2","7","3","6","1","1") = "6"
    & skf21("3","1","2","7","3","6","2","1") = "6"
    & skf21("3","1","2","7","3","6","3","1") = "6"
    & skf21("3","1","2","7","3","6","4","1") = "6"
    & skf21("3","1","2","7","3","6","5","1") = "6"
    & skf21("3","1","2","7","3","6","6","1") = "6"
    & skf21("3","1","2","7","3","6","7","1") = "6"
    & skf21("3","1","2","7","3","7","1","1") = "6"
    & skf21("3","1","2","7","3","7","2","1") = "6"
    & skf21("3","1","2","7","3","7","3","1") = "6"
    & skf21("3","1","2","7","3","7","4","1") = "6"
    & skf21("3","1","2","7","3","7","5","1") = "6"
    & skf21("3","1","2","7","3","7","6","1") = "6"
    & skf21("3","1","2","7","3","7","7","1") = "6"
    & skf21("3","1","2","7","4","1","1","1") = "6"
    & skf21("3","1","2","7","4","1","2","1") = "6"
    & skf21("3","1","2","7","4","1","3","1") = "6"
    & skf21("3","1","2","7","4","1","4","1") = "6"
    & skf21("3","1","2","7","4","1","5","1") = "6"
    & skf21("3","1","2","7","4","1","6","1") = "6"
    & skf21("3","1","2","7","4","1","7","1") = "6"
    & skf21("3","1","2","7","4","2","1","1") = "6"
    & skf21("3","1","2","7","4","2","2","1") = "6"
    & skf21("3","1","2","7","4","2","3","1") = "6"
    & skf21("3","1","2","7","4","2","4","1") = "6"
    & skf21("3","1","2","7","4","2","5","1") = "6"
    & skf21("3","1","2","7","4","2","6","1") = "6"
    & skf21("3","1","2","7","4","2","7","1") = "6"
    & skf21("3","1","2","7","4","3","1","1") = "6"
    & skf21("3","1","2","7","4","3","2","1") = "6"
    & skf21("3","1","2","7","4","3","3","1") = "6"
    & skf21("3","1","2","7","4","3","4","1") = "6"
    & skf21("3","1","2","7","4","3","5","1") = "6"
    & skf21("3","1","2","7","4","3","6","1") = "6"
    & skf21("3","1","2","7","4","3","7","1") = "6"
    & skf21("3","1","2","7","4","4","1","1") = "6"
    & skf21("3","1","2","7","4","4","2","1") = "6"
    & skf21("3","1","2","7","4","4","3","1") = "6"
    & skf21("3","1","2","7","4","4","4","1") = "6"
    & skf21("3","1","2","7","4","4","5","1") = "6"
    & skf21("3","1","2","7","4","4","6","1") = "6"
    & skf21("3","1","2","7","4","4","7","1") = "6"
    & skf21("3","1","2","7","4","5","1","1") = "6"
    & skf21("3","1","2","7","4","5","2","1") = "6"
    & skf21("3","1","2","7","4","5","3","1") = "6"
    & skf21("3","1","2","7","4","5","4","1") = "6"
    & skf21("3","1","2","7","4","5","5","1") = "6"
    & skf21("3","1","2","7","4","5","6","1") = "6"
    & skf21("3","1","2","7","4","5","7","1") = "6"
    & skf21("3","1","2","7","4","6","1","1") = "6"
    & skf21("3","1","2","7","4","6","2","1") = "6"
    & skf21("3","1","2","7","4","6","3","1") = "6"
    & skf21("3","1","2","7","4","6","4","1") = "6"
    & skf21("3","1","2","7","4","6","5","1") = "6"
    & skf21("3","1","2","7","4","6","6","1") = "6"
    & skf21("3","1","2","7","4","6","7","1") = "6"
    & skf21("3","1","2","7","4","7","1","1") = "6"
    & skf21("3","1","2","7","4","7","2","1") = "6"
    & skf21("3","1","2","7","4","7","3","1") = "6"
    & skf21("3","1","2","7","4","7","4","1") = "6"
    & skf21("3","1","2","7","4","7","5","1") = "6"
    & skf21("3","1","2","7","4","7","6","1") = "6"
    & skf21("3","1","2","7","4","7","7","1") = "6"
    & skf21("3","1","2","7","5","1","1","1") = "6"
    & skf21("3","1","2","7","5","1","2","1") = "6"
    & skf21("3","1","2","7","5","1","3","1") = "6"
    & skf21("3","1","2","7","5","1","4","1") = "6"
    & skf21("3","1","2","7","5","1","5","1") = "6"
    & skf21("3","1","2","7","5","1","6","1") = "6"
    & skf21("3","1","2","7","5","1","7","1") = "6"
    & skf21("3","1","2","7","5","2","1","1") = "6"
    & skf21("3","1","2","7","5","2","2","1") = "6"
    & skf21("3","1","2","7","5","2","3","1") = "6"
    & skf21("3","1","2","7","5","2","4","1") = "6"
    & skf21("3","1","2","7","5","2","5","1") = "6"
    & skf21("3","1","2","7","5","2","6","1") = "6"
    & skf21("3","1","2","7","5","2","7","1") = "6"
    & skf21("3","1","2","7","5","3","1","1") = "6"
    & skf21("3","1","2","7","5","3","2","1") = "6"
    & skf21("3","1","2","7","5","3","3","1") = "6"
    & skf21("3","1","2","7","5","3","4","1") = "6"
    & skf21("3","1","2","7","5","3","5","1") = "6"
    & skf21("3","1","2","7","5","3","6","1") = "6"
    & skf21("3","1","2","7","5","3","7","1") = "6"
    & skf21("3","1","2","7","5","4","1","1") = "6"
    & skf21("3","1","2","7","5","4","2","1") = "6"
    & skf21("3","1","2","7","5","4","3","1") = "6"
    & skf21("3","1","2","7","5","4","4","1") = "6"
    & skf21("3","1","2","7","5","4","5","1") = "6"
    & skf21("3","1","2","7","5","4","6","1") = "6"
    & skf21("3","1","2","7","5","4","7","1") = "6"
    & skf21("3","1","2","7","5","5","1","1") = "6"
    & skf21("3","1","2","7","5","5","2","1") = "6"
    & skf21("3","1","2","7","5","5","3","1") = "6"
    & skf21("3","1","2","7","5","5","4","1") = "6"
    & skf21("3","1","2","7","5","5","5","1") = "6"
    & skf21("3","1","2","7","5","5","6","1") = "6"
    & skf21("3","1","2","7","5","5","7","1") = "6"
    & skf21("3","1","2","7","5","6","1","1") = "6"
    & skf21("3","1","2","7","5","6","2","1") = "6"
    & skf21("3","1","2","7","5","6","3","1") = "6"
    & skf21("3","1","2","7","5","6","4","1") = "6"
    & skf21("3","1","2","7","5","6","5","1") = "6"
    & skf21("3","1","2","7","5","6","6","1") = "6"
    & skf21("3","1","2","7","5","6","7","1") = "6"
    & skf21("3","1","2","7","5","7","1","1") = "6"
    & skf21("3","1","2","7","5","7","2","1") = "6"
    & skf21("3","1","2","7","5","7","3","1") = "6"
    & skf21("3","1","2","7","5","7","4","1") = "6"
    & skf21("3","1","2","7","5","7","5","1") = "6"
    & skf21("3","1","2","7","5","7","6","1") = "6"
    & skf21("3","1","2","7","5","7","7","1") = "6"
    & skf21("3","1","2","7","6","1","1","1") = "6"
    & skf21("3","1","2","7","6","1","2","1") = "6"
    & skf21("3","1","2","7","6","1","3","1") = "6"
    & skf21("3","1","2","7","6","1","4","1") = "6"
    & skf21("3","1","2","7","6","1","5","1") = "6"
    & skf21("3","1","2","7","6","1","6","1") = "6"
    & skf21("3","1","2","7","6","1","7","1") = "6"
    & skf21("3","1","2","7","6","2","1","1") = "6"
    & skf21("3","1","2","7","6","2","2","1") = "6"
    & skf21("3","1","2","7","6","2","3","1") = "6"
    & skf21("3","1","2","7","6","2","4","1") = "6"
    & skf21("3","1","2","7","6","2","5","1") = "6"
    & skf21("3","1","2","7","6","2","6","1") = "6"
    & skf21("3","1","2","7","6","2","7","1") = "6"
    & skf21("3","1","2","7","6","3","1","1") = "6"
    & skf21("3","1","2","7","6","3","2","1") = "6"
    & skf21("3","1","2","7","6","3","3","1") = "6"
    & skf21("3","1","2","7","6","3","4","1") = "6"
    & skf21("3","1","2","7","6","3","5","1") = "6"
    & skf21("3","1","2","7","6","3","6","1") = "6"
    & skf21("3","1","2","7","6","3","7","1") = "6"
    & skf21("3","1","2","7","6","4","1","1") = "6"
    & skf21("3","1","2","7","6","4","2","1") = "6"
    & skf21("3","1","2","7","6","4","3","1") = "6"
    & skf21("3","1","2","7","6","4","4","1") = "6"
    & skf21("3","1","2","7","6","4","5","1") = "6"
    & skf21("3","1","2","7","6","4","6","1") = "6"
    & skf21("3","1","2","7","6","4","7","1") = "6"
    & skf21("3","1","2","7","6","5","1","1") = "6"
    & skf21("3","1","2","7","6","5","2","1") = "6"
    & skf21("3","1","2","7","6","5","3","1") = "6"
    & skf21("3","1","2","7","6","5","4","1") = "6"
    & skf21("3","1","2","7","6","5","5","1") = "6"
    & skf21("3","1","2","7","6","5","6","1") = "6"
    & skf21("3","1","2","7","6","5","7","1") = "6"
    & skf21("3","1","2","7","6","6","1","1") = "6"
    & skf21("3","1","2","7","6","6","2","1") = "6"
    & skf21("3","1","2","7","6","6","3","1") = "6"
    & skf21("3","1","2","7","6","6","4","1") = "6"
    & skf21("3","1","2","7","6","6","5","1") = "6"
    & skf21("3","1","2","7","6","6","6","1") = "6"
    & skf21("3","1","2","7","6","6","7","1") = "6"
    & skf21("3","1","2","7","6","7","1","1") = "6"
    & skf21("3","1","2","7","6","7","2","1") = "6"
    & skf21("3","1","2","7","6","7","3","1") = "6"
    & skf21("3","1","2","7","6","7","4","1") = "6"
    & skf21("3","1","2","7","6","7","5","1") = "6"
    & skf21("3","1","2","7","6","7","6","1") = "6"
    & skf21("3","1","2","7","6","7","7","1") = "6"
    & skf21("3","1","2","7","7","1","1","1") = "6"
    & skf21("3","1","2","7","7","1","2","1") = "6"
    & skf21("3","1","2","7","7","1","3","1") = "6"
    & skf21("3","1","2","7","7","1","4","1") = "6"
    & skf21("3","1","2","7","7","1","5","1") = "6"
    & skf21("3","1","2","7","7","1","6","1") = "6"
    & skf21("3","1","2","7","7","1","7","1") = "6"
    & skf21("3","1","2","7","7","2","1","1") = "6"
    & skf21("3","1","2","7","7","2","2","1") = "6"
    & skf21("3","1","2","7","7","2","3","1") = "6"
    & skf21("3","1","2","7","7","2","4","1") = "6"
    & skf21("3","1","2","7","7","2","5","1") = "6"
    & skf21("3","1","2","7","7","2","6","1") = "6"
    & skf21("3","1","2","7","7","2","7","1") = "6"
    & skf21("3","1","2","7","7","3","1","1") = "6"
    & skf21("3","1","2","7","7","3","2","1") = "6"
    & skf21("3","1","2","7","7","3","3","1") = "6"
    & skf21("3","1","2","7","7","3","4","1") = "6"
    & skf21("3","1","2","7","7","3","5","1") = "6"
    & skf21("3","1","2","7","7","3","6","1") = "6"
    & skf21("3","1","2","7","7","3","7","1") = "6"
    & skf21("3","1","2","7","7","4","1","1") = "6"
    & skf21("3","1","2","7","7","4","2","1") = "6"
    & skf21("3","1","2","7","7","4","3","1") = "6"
    & skf21("3","1","2","7","7","4","4","1") = "6"
    & skf21("3","1","2","7","7","4","5","1") = "6"
    & skf21("3","1","2","7","7","4","6","1") = "6"
    & skf21("3","1","2","7","7","4","7","1") = "6"
    & skf21("3","1","2","7","7","5","1","1") = "6"
    & skf21("3","1","2","7","7","5","2","1") = "6"
    & skf21("3","1","2","7","7","5","3","1") = "6"
    & skf21("3","1","2","7","7","5","4","1") = "6"
    & skf21("3","1","2","7","7","5","5","1") = "6"
    & skf21("3","1","2","7","7","5","6","1") = "6"
    & skf21("3","1","2","7","7","5","7","1") = "6"
    & skf21("3","1","2","7","7","6","1","1") = "6"
    & skf21("3","1","2","7","7","6","2","1") = "6"
    & skf21("3","1","2","7","7","6","3","1") = "6"
    & skf21("3","1","2","7","7","6","4","1") = "6"
    & skf21("3","1","2","7","7","6","5","1") = "6"
    & skf21("3","1","2","7","7","6","6","1") = "6"
    & skf21("3","1","2","7","7","6","7","1") = "6"
    & skf21("3","1","2","7","7","7","1","1") = "6"
    & skf21("3","1","2","7","7","7","2","1") = "6"
    & skf21("3","1","2","7","7","7","3","1") = "6"
    & skf21("3","1","2","7","7","7","4","1") = "6"
    & skf21("3","1","2","7","7","7","5","1") = "6"
    & skf21("3","1","2","7","7","7","6","1") = "6"
    & skf21("3","1","2","7","7","7","7","1") = "6"
    & skf21("3","1","3","1","1","1","1","1") = "2"
    & skf21("3","1","3","1","1","1","2","1") = "2"
    & skf21("3","1","3","1","1","1","3","1") = "2"
    & skf21("3","1","3","1","1","1","4","1") = "3"
    & skf21("3","1","3","1","1","1","5","1") = "4"
    & skf21("3","1","3","1","1","1","6","1") = "5"
    & skf21("3","1","3","1","1","1","7","1") = "6"
    & skf21("3","1","3","1","1","2","1","1") = "2"
    & skf21("3","1","3","1","1","2","2","1") = "2"
    & skf21("3","1","3","1","1","2","3","1") = "2"
    & skf21("3","1","3","1","1","2","4","1") = "3"
    & skf21("3","1","3","1","1","2","5","1") = "4"
    & skf21("3","1","3","1","1","2","6","1") = "5"
    & skf21("3","1","3","1","1","2","7","1") = "6"
    & skf21("3","1","3","1","1","3","1","1") = "2"
    & skf21("3","1","3","1","1","3","2","1") = "2"
    & skf21("3","1","3","1","1","3","3","1") = "2"
    & skf21("3","1","3","1","1","3","4","1") = "3"
    & skf21("3","1","3","1","1","3","5","1") = "4"
    & skf21("3","1","3","1","1","3","6","1") = "5"
    & skf21("3","1","3","1","1","3","7","1") = "6"
    & skf21("3","1","3","1","1","4","1","1") = "3"
    & skf21("3","1","3","1","1","4","2","1") = "3"
    & skf21("3","1","3","1","1","4","3","1") = "3"
    & skf21("3","1","3","1","1","4","4","1") = "3"
    & skf21("3","1","3","1","1","4","5","1") = "4"
    & skf21("3","1","3","1","1","4","6","1") = "5"
    & skf21("3","1","3","1","1","4","7","1") = "6"
    & skf21("3","1","3","1","1","5","1","1") = "4"
    & skf21("3","1","3","1","1","5","2","1") = "4"
    & skf21("3","1","3","1","1","5","3","1") = "4"
    & skf21("3","1","3","1","1","5","4","1") = "4"
    & skf21("3","1","3","1","1","5","5","1") = "4"
    & skf21("3","1","3","1","1","5","6","1") = "5"
    & skf21("3","1","3","1","1","5","7","1") = "6"
    & skf21("3","1","3","1","1","6","1","1") = "5"
    & skf21("3","1","3","1","1","6","2","1") = "5"
    & skf21("3","1","3","1","1","6","3","1") = "5"
    & skf21("3","1","3","1","1","6","4","1") = "5"
    & skf21("3","1","3","1","1","6","5","1") = "5"
    & skf21("3","1","3","1","1","6","6","1") = "5"
    & skf21("3","1","3","1","1","6","7","1") = "6"
    & skf21("3","1","3","1","1","7","1","1") = "6"
    & skf21("3","1","3","1","1","7","2","1") = "6"
    & skf21("3","1","3","1","1","7","3","1") = "6"
    & skf21("3","1","3","1","1","7","4","1") = "6"
    & skf21("3","1","3","1","1","7","5","1") = "6"
    & skf21("3","1","3","1","1","7","6","1") = "6"
    & skf21("3","1","3","1","1","7","7","1") = "6"
    & skf21("3","1","3","1","2","1","1","1") = "2"
    & skf21("3","1","3","1","2","1","2","1") = "2"
    & skf21("3","1","3","1","2","1","3","1") = "2"
    & skf21("3","1","3","1","2","1","4","1") = "3"
    & skf21("3","1","3","1","2","1","5","1") = "4"
    & skf21("3","1","3","1","2","1","6","1") = "5"
    & skf21("3","1","3","1","2","1","7","1") = "6"
    & skf21("3","1","3","1","2","2","1","1") = "2"
    & skf21("3","1","3","1","2","2","2","1") = "2"
    & skf21("3","1","3","1","2","2","3","1") = "2"
    & skf21("3","1","3","1","2","2","4","1") = "3"
    & skf21("3","1","3","1","2","2","5","1") = "4"
    & skf21("3","1","3","1","2","2","6","1") = "5"
    & skf21("3","1","3","1","2","2","7","1") = "6"
    & skf21("3","1","3","1","2","3","1","1") = "2"
    & skf21("3","1","3","1","2","3","2","1") = "2"
    & skf21("3","1","3","1","2","3","3","1") = "2"
    & skf21("3","1","3","1","2","3","4","1") = "3"
    & skf21("3","1","3","1","2","3","5","1") = "4"
    & skf21("3","1","3","1","2","3","6","1") = "5"
    & skf21("3","1","3","1","2","3","7","1") = "6"
    & skf21("3","1","3","1","2","4","1","1") = "3"
    & skf21("3","1","3","1","2","4","2","1") = "3"
    & skf21("3","1","3","1","2","4","3","1") = "3"
    & skf21("3","1","3","1","2","4","4","1") = "3"
    & skf21("3","1","3","1","2","4","5","1") = "4"
    & skf21("3","1","3","1","2","4","6","1") = "5"
    & skf21("3","1","3","1","2","4","7","1") = "6"
    & skf21("3","1","3","1","2","5","1","1") = "4"
    & skf21("3","1","3","1","2","5","2","1") = "4"
    & skf21("3","1","3","1","2","5","3","1") = "4"
    & skf21("3","1","3","1","2","5","4","1") = "4"
    & skf21("3","1","3","1","2","5","5","1") = "4"
    & skf21("3","1","3","1","2","5","6","1") = "5"
    & skf21("3","1","3","1","2","5","7","1") = "6"
    & skf21("3","1","3","1","2","6","1","1") = "5"
    & skf21("3","1","3","1","2","6","2","1") = "5"
    & skf21("3","1","3","1","2","6","3","1") = "5"
    & skf21("3","1","3","1","2","6","4","1") = "5"
    & skf21("3","1","3","1","2","6","5","1") = "5"
    & skf21("3","1","3","1","2","6","6","1") = "5"
    & skf21("3","1","3","1","2","6","7","1") = "6"
    & skf21("3","1","3","1","2","7","1","1") = "6"
    & skf21("3","1","3","1","2","7","2","1") = "6"
    & skf21("3","1","3","1","2","7","3","1") = "6"
    & skf21("3","1","3","1","2","7","4","1") = "6"
    & skf21("3","1","3","1","2","7","5","1") = "6"
    & skf21("3","1","3","1","2","7","6","1") = "6"
    & skf21("3","1","3","1","2","7","7","1") = "6"
    & skf21("3","1","3","1","3","1","1","1") = "2"
    & skf21("3","1","3","1","3","1","2","1") = "2"
    & skf21("3","1","3","1","3","1","3","1") = "2"
    & skf21("3","1","3","1","3","1","4","1") = "3"
    & skf21("3","1","3","1","3","1","5","1") = "4"
    & skf21("3","1","3","1","3","1","6","1") = "5"
    & skf21("3","1","3","1","3","1","7","1") = "6"
    & skf21("3","1","3","1","3","2","1","1") = "2"
    & skf21("3","1","3","1","3","2","2","1") = "2"
    & skf21("3","1","3","1","3","2","3","1") = "2"
    & skf21("3","1","3","1","3","2","4","1") = "3"
    & skf21("3","1","3","1","3","2","5","1") = "4"
    & skf21("3","1","3","1","3","2","6","1") = "5"
    & skf21("3","1","3","1","3","2","7","1") = "6"
    & skf21("3","1","3","1","3","3","1","1") = "2"
    & skf21("3","1","3","1","3","3","2","1") = "2"
    & skf21("3","1","3","1","3","3","3","1") = "2"
    & skf21("3","1","3","1","3","3","4","1") = "3"
    & skf21("3","1","3","1","3","3","5","1") = "4"
    & skf21("3","1","3","1","3","3","6","1") = "5"
    & skf21("3","1","3","1","3","3","7","1") = "6"
    & skf21("3","1","3","1","3","4","1","1") = "3"
    & skf21("3","1","3","1","3","4","2","1") = "3"
    & skf21("3","1","3","1","3","4","3","1") = "3"
    & skf21("3","1","3","1","3","4","4","1") = "3"
    & skf21("3","1","3","1","3","4","5","1") = "4"
    & skf21("3","1","3","1","3","4","6","1") = "5"
    & skf21("3","1","3","1","3","4","7","1") = "6"
    & skf21("3","1","3","1","3","5","1","1") = "4"
    & skf21("3","1","3","1","3","5","2","1") = "4"
    & skf21("3","1","3","1","3","5","3","1") = "4"
    & skf21("3","1","3","1","3","5","4","1") = "4"
    & skf21("3","1","3","1","3","5","5","1") = "4"
    & skf21("3","1","3","1","3","5","6","1") = "5"
    & skf21("3","1","3","1","3","5","7","1") = "6"
    & skf21("3","1","3","1","3","6","1","1") = "5"
    & skf21("3","1","3","1","3","6","2","1") = "5"
    & skf21("3","1","3","1","3","6","3","1") = "5"
    & skf21("3","1","3","1","3","6","4","1") = "5"
    & skf21("3","1","3","1","3","6","5","1") = "5"
    & skf21("3","1","3","1","3","6","6","1") = "5"
    & skf21("3","1","3","1","3","6","7","1") = "6"
    & skf21("3","1","3","1","3","7","1","1") = "6"
    & skf21("3","1","3","1","3","7","2","1") = "6"
    & skf21("3","1","3","1","3","7","3","1") = "6"
    & skf21("3","1","3","1","3","7","4","1") = "6"
    & skf21("3","1","3","1","3","7","5","1") = "6"
    & skf21("3","1","3","1","3","7","6","1") = "6"
    & skf21("3","1","3","1","3","7","7","1") = "6"
    & skf21("3","1","3","1","4","1","1","1") = "3"
    & skf21("3","1","3","1","4","1","2","1") = "3"
    & skf21("3","1","3","1","4","1","3","1") = "3"
    & skf21("3","1","3","1","4","1","4","1") = "3"
    & skf21("3","1","3","1","4","1","5","1") = "4"
    & skf21("3","1","3","1","4","1","6","1") = "5"
    & skf21("3","1","3","1","4","1","7","1") = "6"
    & skf21("3","1","3","1","4","2","1","1") = "3"
    & skf21("3","1","3","1","4","2","2","1") = "3"
    & skf21("3","1","3","1","4","2","3","1") = "3"
    & skf21("3","1","3","1","4","2","4","1") = "3"
    & skf21("3","1","3","1","4","2","5","1") = "4"
    & skf21("3","1","3","1","4","2","6","1") = "5"
    & skf21("3","1","3","1","4","2","7","1") = "6"
    & skf21("3","1","3","1","4","3","1","1") = "3"
    & skf21("3","1","3","1","4","3","2","1") = "3"
    & skf21("3","1","3","1","4","3","3","1") = "3"
    & skf21("3","1","3","1","4","3","4","1") = "3"
    & skf21("3","1","3","1","4","3","5","1") = "4"
    & skf21("3","1","3","1","4","3","6","1") = "5"
    & skf21("3","1","3","1","4","3","7","1") = "6"
    & skf21("3","1","3","1","4","4","1","1") = "3"
    & skf21("3","1","3","1","4","4","2","1") = "3"
    & skf21("3","1","3","1","4","4","3","1") = "3"
    & skf21("3","1","3","1","4","4","4","1") = "3"
    & skf21("3","1","3","1","4","4","5","1") = "4"
    & skf21("3","1","3","1","4","4","6","1") = "5"
    & skf21("3","1","3","1","4","4","7","1") = "6"
    & skf21("3","1","3","1","4","5","1","1") = "4"
    & skf21("3","1","3","1","4","5","2","1") = "4"
    & skf21("3","1","3","1","4","5","3","1") = "4"
    & skf21("3","1","3","1","4","5","4","1") = "4"
    & skf21("3","1","3","1","4","5","5","1") = "4"
    & skf21("3","1","3","1","4","5","6","1") = "5"
    & skf21("3","1","3","1","4","5","7","1") = "6"
    & skf21("3","1","3","1","4","6","1","1") = "5"
    & skf21("3","1","3","1","4","6","2","1") = "5"
    & skf21("3","1","3","1","4","6","3","1") = "5"
    & skf21("3","1","3","1","4","6","4","1") = "5"
    & skf21("3","1","3","1","4","6","5","1") = "5"
    & skf21("3","1","3","1","4","6","6","1") = "5"
    & skf21("3","1","3","1","4","6","7","1") = "6"
    & skf21("3","1","3","1","4","7","1","1") = "6"
    & skf21("3","1","3","1","4","7","2","1") = "6"
    & skf21("3","1","3","1","4","7","3","1") = "6"
    & skf21("3","1","3","1","4","7","4","1") = "6"
    & skf21("3","1","3","1","4","7","5","1") = "6"
    & skf21("3","1","3","1","4","7","6","1") = "6"
    & skf21("3","1","3","1","4","7","7","1") = "6"
    & skf21("3","1","3","1","5","1","1","1") = "4"
    & skf21("3","1","3","1","5","1","2","1") = "4"
    & skf21("3","1","3","1","5","1","3","1") = "4"
    & skf21("3","1","3","1","5","1","4","1") = "4"
    & skf21("3","1","3","1","5","1","5","1") = "4"
    & skf21("3","1","3","1","5","1","6","1") = "5"
    & skf21("3","1","3","1","5","1","7","1") = "6"
    & skf21("3","1","3","1","5","2","1","1") = "4"
    & skf21("3","1","3","1","5","2","2","1") = "4"
    & skf21("3","1","3","1","5","2","3","1") = "4"
    & skf21("3","1","3","1","5","2","4","1") = "4"
    & skf21("3","1","3","1","5","2","5","1") = "4"
    & skf21("3","1","3","1","5","2","6","1") = "5"
    & skf21("3","1","3","1","5","2","7","1") = "6"
    & skf21("3","1","3","1","5","3","1","1") = "4"
    & skf21("3","1","3","1","5","3","2","1") = "4"
    & skf21("3","1","3","1","5","3","3","1") = "4"
    & skf21("3","1","3","1","5","3","4","1") = "4"
    & skf21("3","1","3","1","5","3","5","1") = "4"
    & skf21("3","1","3","1","5","3","6","1") = "5"
    & skf21("3","1","3","1","5","3","7","1") = "6"
    & skf21("3","1","3","1","5","4","1","1") = "4"
    & skf21("3","1","3","1","5","4","2","1") = "4"
    & skf21("3","1","3","1","5","4","3","1") = "4"
    & skf21("3","1","3","1","5","4","4","1") = "4"
    & skf21("3","1","3","1","5","4","5","1") = "4"
    & skf21("3","1","3","1","5","4","6","1") = "5"
    & skf21("3","1","3","1","5","4","7","1") = "6"
    & skf21("3","1","3","1","5","5","1","1") = "4"
    & skf21("3","1","3","1","5","5","2","1") = "4"
    & skf21("3","1","3","1","5","5","3","1") = "4"
    & skf21("3","1","3","1","5","5","4","1") = "4"
    & skf21("3","1","3","1","5","5","5","1") = "4"
    & skf21("3","1","3","1","5","5","6","1") = "5"
    & skf21("3","1","3","1","5","5","7","1") = "6"
    & skf21("3","1","3","1","5","6","1","1") = "5"
    & skf21("3","1","3","1","5","6","2","1") = "5"
    & skf21("3","1","3","1","5","6","3","1") = "5"
    & skf21("3","1","3","1","5","6","4","1") = "5"
    & skf21("3","1","3","1","5","6","5","1") = "5"
    & skf21("3","1","3","1","5","6","6","1") = "5"
    & skf21("3","1","3","1","5","6","7","1") = "6"
    & skf21("3","1","3","1","5","7","1","1") = "6"
    & skf21("3","1","3","1","5","7","2","1") = "6"
    & skf21("3","1","3","1","5","7","3","1") = "6"
    & skf21("3","1","3","1","5","7","4","1") = "6"
    & skf21("3","1","3","1","5","7","5","1") = "6"
    & skf21("3","1","3","1","5","7","6","1") = "6"
    & skf21("3","1","3","1","5","7","7","1") = "6"
    & skf21("3","1","3","1","6","1","1","1") = "5"
    & skf21("3","1","3","1","6","1","2","1") = "5"
    & skf21("3","1","3","1","6","1","3","1") = "5"
    & skf21("3","1","3","1","6","1","4","1") = "5"
    & skf21("3","1","3","1","6","1","5","1") = "5"
    & skf21("3","1","3","1","6","1","6","1") = "5"
    & skf21("3","1","3","1","6","1","7","1") = "6"
    & skf21("3","1","3","1","6","2","1","1") = "5"
    & skf21("3","1","3","1","6","2","2","1") = "5"
    & skf21("3","1","3","1","6","2","3","1") = "5"
    & skf21("3","1","3","1","6","2","4","1") = "5"
    & skf21("3","1","3","1","6","2","5","1") = "5"
    & skf21("3","1","3","1","6","2","6","1") = "5"
    & skf21("3","1","3","1","6","2","7","1") = "6"
    & skf21("3","1","3","1","6","3","1","1") = "5"
    & skf21("3","1","3","1","6","3","2","1") = "5"
    & skf21("3","1","3","1","6","3","3","1") = "5"
    & skf21("3","1","3","1","6","3","4","1") = "5"
    & skf21("3","1","3","1","6","3","5","1") = "5"
    & skf21("3","1","3","1","6","3","6","1") = "5"
    & skf21("3","1","3","1","6","3","7","1") = "6"
    & skf21("3","1","3","1","6","4","1","1") = "5"
    & skf21("3","1","3","1","6","4","2","1") = "5"
    & skf21("3","1","3","1","6","4","3","1") = "5"
    & skf21("3","1","3","1","6","4","4","1") = "5"
    & skf21("3","1","3","1","6","4","5","1") = "5"
    & skf21("3","1","3","1","6","4","6","1") = "5"
    & skf21("3","1","3","1","6","4","7","1") = "6"
    & skf21("3","1","3","1","6","5","1","1") = "5"
    & skf21("3","1","3","1","6","5","2","1") = "5"
    & skf21("3","1","3","1","6","5","3","1") = "5"
    & skf21("3","1","3","1","6","5","4","1") = "5"
    & skf21("3","1","3","1","6","5","5","1") = "5"
    & skf21("3","1","3","1","6","5","6","1") = "5"
    & skf21("3","1","3","1","6","5","7","1") = "6"
    & skf21("3","1","3","1","6","6","1","1") = "5"
    & skf21("3","1","3","1","6","6","2","1") = "5"
    & skf21("3","1","3","1","6","6","3","1") = "5"
    & skf21("3","1","3","1","6","6","4","1") = "5"
    & skf21("3","1","3","1","6","6","5","1") = "5"
    & skf21("3","1","3","1","6","6","6","1") = "5"
    & skf21("3","1","3","1","6","6","7","1") = "6"
    & skf21("3","1","3","1","6","7","1","1") = "6"
    & skf21("3","1","3","1","6","7","2","1") = "6"
    & skf21("3","1","3","1","6","7","3","1") = "6"
    & skf21("3","1","3","1","6","7","4","1") = "6"
    & skf21("3","1","3","1","6","7","5","1") = "6"
    & skf21("3","1","3","1","6","7","6","1") = "6"
    & skf21("3","1","3","1","6","7","7","1") = "6"
    & skf21("3","1","3","1","7","1","1","1") = "6"
    & skf21("3","1","3","1","7","1","2","1") = "6"
    & skf21("3","1","3","1","7","1","3","1") = "6"
    & skf21("3","1","3","1","7","1","4","1") = "6"
    & skf21("3","1","3","1","7","1","5","1") = "6"
    & skf21("3","1","3","1","7","1","6","1") = "6"
    & skf21("3","1","3","1","7","1","7","1") = "6"
    & skf21("3","1","3","1","7","2","1","1") = "6"
    & skf21("3","1","3","1","7","2","2","1") = "6"
    & skf21("3","1","3","1","7","2","3","1") = "6"
    & skf21("3","1","3","1","7","2","4","1") = "6"
    & skf21("3","1","3","1","7","2","5","1") = "6"
    & skf21("3","1","3","1","7","2","6","1") = "6"
    & skf21("3","1","3","1","7","2","7","1") = "6"
    & skf21("3","1","3","1","7","3","1","1") = "6"
    & skf21("3","1","3","1","7","3","2","1") = "6"
    & skf21("3","1","3","1","7","3","3","1") = "6"
    & skf21("3","1","3","1","7","3","4","1") = "6"
    & skf21("3","1","3","1","7","3","5","1") = "6"
    & skf21("3","1","3","1","7","3","6","1") = "6"
    & skf21("3","1","3","1","7","3","7","1") = "6"
    & skf21("3","1","3","1","7","4","1","1") = "6"
    & skf21("3","1","3","1","7","4","2","1") = "6"
    & skf21("3","1","3","1","7","4","3","1") = "6"
    & skf21("3","1","3","1","7","4","4","1") = "6"
    & skf21("3","1","3","1","7","4","5","1") = "6"
    & skf21("3","1","3","1","7","4","6","1") = "6"
    & skf21("3","1","3","1","7","4","7","1") = "6"
    & skf21("3","1","3","1","7","5","1","1") = "6"
    & skf21("3","1","3","1","7","5","2","1") = "6"
    & skf21("3","1","3","1","7","5","3","1") = "6"
    & skf21("3","1","3","1","7","5","4","1") = "6"
    & skf21("3","1","3","1","7","5","5","1") = "6"
    & skf21("3","1","3","1","7","5","6","1") = "6"
    & skf21("3","1","3","1","7","5","7","1") = "6"
    & skf21("3","1","3","1","7","6","1","1") = "6"
    & skf21("3","1","3","1","7","6","2","1") = "6"
    & skf21("3","1","3","1","7","6","3","1") = "6"
    & skf21("3","1","3","1","7","6","4","1") = "6"
    & skf21("3","1","3","1","7","6","5","1") = "6"
    & skf21("3","1","3","1","7","6","6","1") = "6"
    & skf21("3","1","3","1","7","6","7","1") = "6"
    & skf21("3","1","3","1","7","7","1","1") = "6"
    & skf21("3","1","3","1","7","7","2","1") = "6"
    & skf21("3","1","3","1","7","7","3","1") = "6"
    & skf21("3","1","3","1","7","7","4","1") = "6"
    & skf21("3","1","3","1","7","7","5","1") = "6"
    & skf21("3","1","3","1","7","7","6","1") = "6"
    & skf21("3","1","3","1","7","7","7","1") = "6"
    & skf21("3","1","3","2","1","1","1","1") = "2"
    & skf21("3","1","3","2","1","1","2","1") = "2"
    & skf21("3","1","3","2","1","1","3","1") = "2"
    & skf21("3","1","3","2","1","1","4","1") = "3"
    & skf21("3","1","3","2","1","1","5","1") = "4"
    & skf21("3","1","3","2","1","1","6","1") = "5"
    & skf21("3","1","3","2","1","1","7","1") = "6"
    & skf21("3","1","3","2","1","2","1","1") = "2"
    & skf21("3","1","3","2","1","2","2","1") = "2"
    & skf21("3","1","3","2","1","2","3","1") = "2"
    & skf21("3","1","3","2","1","2","4","1") = "3"
    & skf21("3","1","3","2","1","2","5","1") = "4"
    & skf21("3","1","3","2","1","2","6","1") = "5"
    & skf21("3","1","3","2","1","2","7","1") = "6"
    & skf21("3","1","3","2","1","3","1","1") = "2"
    & skf21("3","1","3","2","1","3","2","1") = "2"
    & skf21("3","1","3","2","1","3","3","1") = "2"
    & skf21("3","1","3","2","1","3","4","1") = "3"
    & skf21("3","1","3","2","1","3","5","1") = "4"
    & skf21("3","1","3","2","1","3","6","1") = "5"
    & skf21("3","1","3","2","1","3","7","1") = "6"
    & skf21("3","1","3","2","1","4","1","1") = "3"
    & skf21("3","1","3","2","1","4","2","1") = "3"
    & skf21("3","1","3","2","1","4","3","1") = "3"
    & skf21("3","1","3","2","1","4","4","1") = "3"
    & skf21("3","1","3","2","1","4","5","1") = "4"
    & skf21("3","1","3","2","1","4","6","1") = "5"
    & skf21("3","1","3","2","1","4","7","1") = "6"
    & skf21("3","1","3","2","1","5","1","1") = "4"
    & skf21("3","1","3","2","1","5","2","1") = "4"
    & skf21("3","1","3","2","1","5","3","1") = "4"
    & skf21("3","1","3","2","1","5","4","1") = "4"
    & skf21("3","1","3","2","1","5","5","1") = "4"
    & skf21("3","1","3","2","1","5","6","1") = "5"
    & skf21("3","1","3","2","1","5","7","1") = "6"
    & skf21("3","1","3","2","1","6","1","1") = "5"
    & skf21("3","1","3","2","1","6","2","1") = "5"
    & skf21("3","1","3","2","1","6","3","1") = "5"
    & skf21("3","1","3","2","1","6","4","1") = "5"
    & skf21("3","1","3","2","1","6","5","1") = "5"
    & skf21("3","1","3","2","1","6","6","1") = "5"
    & skf21("3","1","3","2","1","6","7","1") = "6"
    & skf21("3","1","3","2","1","7","1","1") = "6"
    & skf21("3","1","3","2","1","7","2","1") = "6"
    & skf21("3","1","3","2","1","7","3","1") = "6"
    & skf21("3","1","3","2","1","7","4","1") = "6"
    & skf21("3","1","3","2","1","7","5","1") = "6"
    & skf21("3","1","3","2","1","7","6","1") = "6"
    & skf21("3","1","3","2","1","7","7","1") = "6"
    & skf21("3","1","3","2","2","1","1","1") = "2"
    & skf21("3","1","3","2","2","1","2","1") = "2"
    & skf21("3","1","3","2","2","1","3","1") = "2"
    & skf21("3","1","3","2","2","1","4","1") = "3"
    & skf21("3","1","3","2","2","1","5","1") = "4"
    & skf21("3","1","3","2","2","1","6","1") = "5"
    & skf21("3","1","3","2","2","1","7","1") = "6"
    & skf21("3","1","3","2","2","2","1","1") = "2"
    & skf21("3","1","3","2","2","2","2","1") = "2"
    & skf21("3","1","3","2","2","2","3","1") = "2"
    & skf21("3","1","3","2","2","2","4","1") = "3"
    & skf21("3","1","3","2","2","2","5","1") = "4"
    & skf21("3","1","3","2","2","2","6","1") = "5"
    & skf21("3","1","3","2","2","2","7","1") = "6"
    & skf21("3","1","3","2","2","3","1","1") = "2"
    & skf21("3","1","3","2","2","3","2","1") = "2"
    & skf21("3","1","3","2","2","3","3","1") = "2"
    & skf21("3","1","3","2","2","3","4","1") = "3"
    & skf21("3","1","3","2","2","3","5","1") = "4"
    & skf21("3","1","3","2","2","3","6","1") = "5"
    & skf21("3","1","3","2","2","3","7","1") = "6"
    & skf21("3","1","3","2","2","4","1","1") = "3"
    & skf21("3","1","3","2","2","4","2","1") = "3"
    & skf21("3","1","3","2","2","4","3","1") = "3"
    & skf21("3","1","3","2","2","4","4","1") = "3"
    & skf21("3","1","3","2","2","4","5","1") = "4"
    & skf21("3","1","3","2","2","4","6","1") = "5"
    & skf21("3","1","3","2","2","4","7","1") = "6"
    & skf21("3","1","3","2","2","5","1","1") = "4"
    & skf21("3","1","3","2","2","5","2","1") = "4"
    & skf21("3","1","3","2","2","5","3","1") = "4"
    & skf21("3","1","3","2","2","5","4","1") = "4"
    & skf21("3","1","3","2","2","5","5","1") = "4"
    & skf21("3","1","3","2","2","5","6","1") = "5"
    & skf21("3","1","3","2","2","5","7","1") = "6"
    & skf21("3","1","3","2","2","6","1","1") = "5"
    & skf21("3","1","3","2","2","6","2","1") = "5"
    & skf21("3","1","3","2","2","6","3","1") = "5"
    & skf21("3","1","3","2","2","6","4","1") = "5"
    & skf21("3","1","3","2","2","6","5","1") = "5"
    & skf21("3","1","3","2","2","6","6","1") = "5"
    & skf21("3","1","3","2","2","6","7","1") = "6"
    & skf21("3","1","3","2","2","7","1","1") = "6"
    & skf21("3","1","3","2","2","7","2","1") = "6"
    & skf21("3","1","3","2","2","7","3","1") = "6"
    & skf21("3","1","3","2","2","7","4","1") = "6"
    & skf21("3","1","3","2","2","7","5","1") = "6"
    & skf21("3","1","3","2","2","7","6","1") = "6"
    & skf21("3","1","3","2","2","7","7","1") = "6"
    & skf21("3","1","3","2","3","1","1","1") = "2"
    & skf21("3","1","3","2","3","1","2","1") = "2"
    & skf21("3","1","3","2","3","1","3","1") = "2"
    & skf21("3","1","3","2","3","1","4","1") = "3"
    & skf21("3","1","3","2","3","1","5","1") = "4"
    & skf21("3","1","3","2","3","1","6","1") = "5"
    & skf21("3","1","3","2","3","1","7","1") = "6"
    & skf21("3","1","3","2","3","2","1","1") = "2"
    & skf21("3","1","3","2","3","2","2","1") = "2"
    & skf21("3","1","3","2","3","2","3","1") = "2"
    & skf21("3","1","3","2","3","2","4","1") = "3"
    & skf21("3","1","3","2","3","2","5","1") = "4"
    & skf21("3","1","3","2","3","2","6","1") = "5"
    & skf21("3","1","3","2","3","2","7","1") = "6"
    & skf21("3","1","3","2","3","3","1","1") = "2"
    & skf21("3","1","3","2","3","3","2","1") = "2"
    & skf21("3","1","3","2","3","3","3","1") = "2"
    & skf21("3","1","3","2","3","3","4","1") = "3"
    & skf21("3","1","3","2","3","3","5","1") = "4"
    & skf21("3","1","3","2","3","3","6","1") = "5"
    & skf21("3","1","3","2","3","3","7","1") = "6"
    & skf21("3","1","3","2","3","4","1","1") = "3"
    & skf21("3","1","3","2","3","4","2","1") = "3"
    & skf21("3","1","3","2","3","4","3","1") = "3"
    & skf21("3","1","3","2","3","4","4","1") = "3"
    & skf21("3","1","3","2","3","4","5","1") = "4"
    & skf21("3","1","3","2","3","4","6","1") = "5"
    & skf21("3","1","3","2","3","4","7","1") = "6"
    & skf21("3","1","3","2","3","5","1","1") = "4"
    & skf21("3","1","3","2","3","5","2","1") = "4"
    & skf21("3","1","3","2","3","5","3","1") = "4"
    & skf21("3","1","3","2","3","5","4","1") = "4"
    & skf21("3","1","3","2","3","5","5","1") = "4"
    & skf21("3","1","3","2","3","5","6","1") = "5"
    & skf21("3","1","3","2","3","5","7","1") = "6"
    & skf21("3","1","3","2","3","6","1","1") = "5"
    & skf21("3","1","3","2","3","6","2","1") = "5"
    & skf21("3","1","3","2","3","6","3","1") = "5"
    & skf21("3","1","3","2","3","6","4","1") = "5"
    & skf21("3","1","3","2","3","6","5","1") = "5"
    & skf21("3","1","3","2","3","6","6","1") = "5"
    & skf21("3","1","3","2","3","6","7","1") = "6"
    & skf21("3","1","3","2","3","7","1","1") = "6"
    & skf21("3","1","3","2","3","7","2","1") = "6"
    & skf21("3","1","3","2","3","7","3","1") = "6"
    & skf21("3","1","3","2","3","7","4","1") = "6"
    & skf21("3","1","3","2","3","7","5","1") = "6"
    & skf21("3","1","3","2","3","7","6","1") = "6"
    & skf21("3","1","3","2","3","7","7","1") = "6"
    & skf21("3","1","3","2","4","1","1","1") = "3"
    & skf21("3","1","3","2","4","1","2","1") = "3"
    & skf21("3","1","3","2","4","1","3","1") = "3"
    & skf21("3","1","3","2","4","1","4","1") = "3"
    & skf21("3","1","3","2","4","1","5","1") = "4"
    & skf21("3","1","3","2","4","1","6","1") = "5"
    & skf21("3","1","3","2","4","1","7","1") = "6"
    & skf21("3","1","3","2","4","2","1","1") = "3"
    & skf21("3","1","3","2","4","2","2","1") = "3"
    & skf21("3","1","3","2","4","2","3","1") = "3"
    & skf21("3","1","3","2","4","2","4","1") = "3"
    & skf21("3","1","3","2","4","2","5","1") = "4"
    & skf21("3","1","3","2","4","2","6","1") = "5"
    & skf21("3","1","3","2","4","2","7","1") = "6"
    & skf21("3","1","3","2","4","3","1","1") = "3"
    & skf21("3","1","3","2","4","3","2","1") = "3"
    & skf21("3","1","3","2","4","3","3","1") = "3"
    & skf21("3","1","3","2","4","3","4","1") = "3"
    & skf21("3","1","3","2","4","3","5","1") = "4"
    & skf21("3","1","3","2","4","3","6","1") = "5"
    & skf21("3","1","3","2","4","3","7","1") = "6"
    & skf21("3","1","3","2","4","4","1","1") = "3"
    & skf21("3","1","3","2","4","4","2","1") = "3"
    & skf21("3","1","3","2","4","4","3","1") = "3"
    & skf21("3","1","3","2","4","4","4","1") = "3"
    & skf21("3","1","3","2","4","4","5","1") = "4"
    & skf21("3","1","3","2","4","4","6","1") = "5"
    & skf21("3","1","3","2","4","4","7","1") = "6"
    & skf21("3","1","3","2","4","5","1","1") = "4"
    & skf21("3","1","3","2","4","5","2","1") = "4"
    & skf21("3","1","3","2","4","5","3","1") = "4"
    & skf21("3","1","3","2","4","5","4","1") = "4"
    & skf21("3","1","3","2","4","5","5","1") = "4"
    & skf21("3","1","3","2","4","5","6","1") = "5"
    & skf21("3","1","3","2","4","5","7","1") = "6"
    & skf21("3","1","3","2","4","6","1","1") = "5"
    & skf21("3","1","3","2","4","6","2","1") = "5"
    & skf21("3","1","3","2","4","6","3","1") = "5"
    & skf21("3","1","3","2","4","6","4","1") = "5"
    & skf21("3","1","3","2","4","6","5","1") = "5"
    & skf21("3","1","3","2","4","6","6","1") = "5"
    & skf21("3","1","3","2","4","6","7","1") = "6"
    & skf21("3","1","3","2","4","7","1","1") = "6"
    & skf21("3","1","3","2","4","7","2","1") = "6"
    & skf21("3","1","3","2","4","7","3","1") = "6"
    & skf21("3","1","3","2","4","7","4","1") = "6"
    & skf21("3","1","3","2","4","7","5","1") = "6"
    & skf21("3","1","3","2","4","7","6","1") = "6"
    & skf21("3","1","3","2","4","7","7","1") = "6"
    & skf21("3","1","3","2","5","1","1","1") = "4"
    & skf21("3","1","3","2","5","1","2","1") = "4"
    & skf21("3","1","3","2","5","1","3","1") = "4"
    & skf21("3","1","3","2","5","1","4","1") = "4"
    & skf21("3","1","3","2","5","1","5","1") = "4"
    & skf21("3","1","3","2","5","1","6","1") = "5"
    & skf21("3","1","3","2","5","1","7","1") = "6"
    & skf21("3","1","3","2","5","2","1","1") = "4"
    & skf21("3","1","3","2","5","2","2","1") = "4"
    & skf21("3","1","3","2","5","2","3","1") = "4"
    & skf21("3","1","3","2","5","2","4","1") = "4"
    & skf21("3","1","3","2","5","2","5","1") = "4"
    & skf21("3","1","3","2","5","2","6","1") = "5"
    & skf21("3","1","3","2","5","2","7","1") = "6"
    & skf21("3","1","3","2","5","3","1","1") = "4"
    & skf21("3","1","3","2","5","3","2","1") = "4"
    & skf21("3","1","3","2","5","3","3","1") = "4"
    & skf21("3","1","3","2","5","3","4","1") = "4"
    & skf21("3","1","3","2","5","3","5","1") = "4"
    & skf21("3","1","3","2","5","3","6","1") = "5"
    & skf21("3","1","3","2","5","3","7","1") = "6"
    & skf21("3","1","3","2","5","4","1","1") = "4"
    & skf21("3","1","3","2","5","4","2","1") = "4"
    & skf21("3","1","3","2","5","4","3","1") = "4"
    & skf21("3","1","3","2","5","4","4","1") = "4"
    & skf21("3","1","3","2","5","4","5","1") = "4"
    & skf21("3","1","3","2","5","4","6","1") = "5"
    & skf21("3","1","3","2","5","4","7","1") = "6"
    & skf21("3","1","3","2","5","5","1","1") = "4"
    & skf21("3","1","3","2","5","5","2","1") = "4"
    & skf21("3","1","3","2","5","5","3","1") = "4"
    & skf21("3","1","3","2","5","5","4","1") = "4"
    & skf21("3","1","3","2","5","5","5","1") = "4"
    & skf21("3","1","3","2","5","5","6","1") = "5"
    & skf21("3","1","3","2","5","5","7","1") = "6"
    & skf21("3","1","3","2","5","6","1","1") = "5"
    & skf21("3","1","3","2","5","6","2","1") = "5"
    & skf21("3","1","3","2","5","6","3","1") = "5"
    & skf21("3","1","3","2","5","6","4","1") = "5"
    & skf21("3","1","3","2","5","6","5","1") = "5"
    & skf21("3","1","3","2","5","6","6","1") = "5"
    & skf21("3","1","3","2","5","6","7","1") = "6"
    & skf21("3","1","3","2","5","7","1","1") = "6"
    & skf21("3","1","3","2","5","7","2","1") = "6"
    & skf21("3","1","3","2","5","7","3","1") = "6"
    & skf21("3","1","3","2","5","7","4","1") = "6"
    & skf21("3","1","3","2","5","7","5","1") = "6"
    & skf21("3","1","3","2","5","7","6","1") = "6"
    & skf21("3","1","3","2","5","7","7","1") = "6"
    & skf21("3","1","3","2","6","1","1","1") = "5"
    & skf21("3","1","3","2","6","1","2","1") = "5"
    & skf21("3","1","3","2","6","1","3","1") = "5"
    & skf21("3","1","3","2","6","1","4","1") = "5"
    & skf21("3","1","3","2","6","1","5","1") = "5"
    & skf21("3","1","3","2","6","1","6","1") = "5"
    & skf21("3","1","3","2","6","1","7","1") = "6"
    & skf21("3","1","3","2","6","2","1","1") = "5"
    & skf21("3","1","3","2","6","2","2","1") = "5"
    & skf21("3","1","3","2","6","2","3","1") = "5"
    & skf21("3","1","3","2","6","2","4","1") = "5"
    & skf21("3","1","3","2","6","2","5","1") = "5"
    & skf21("3","1","3","2","6","2","6","1") = "5"
    & skf21("3","1","3","2","6","2","7","1") = "6"
    & skf21("3","1","3","2","6","3","1","1") = "5"
    & skf21("3","1","3","2","6","3","2","1") = "5"
    & skf21("3","1","3","2","6","3","3","1") = "5"
    & skf21("3","1","3","2","6","3","4","1") = "5"
    & skf21("3","1","3","2","6","3","5","1") = "5"
    & skf21("3","1","3","2","6","3","6","1") = "5"
    & skf21("3","1","3","2","6","3","7","1") = "6"
    & skf21("3","1","3","2","6","4","1","1") = "5"
    & skf21("3","1","3","2","6","4","2","1") = "5"
    & skf21("3","1","3","2","6","4","3","1") = "5"
    & skf21("3","1","3","2","6","4","4","1") = "5"
    & skf21("3","1","3","2","6","4","5","1") = "5"
    & skf21("3","1","3","2","6","4","6","1") = "5"
    & skf21("3","1","3","2","6","4","7","1") = "6"
    & skf21("3","1","3","2","6","5","1","1") = "5"
    & skf21("3","1","3","2","6","5","2","1") = "5"
    & skf21("3","1","3","2","6","5","3","1") = "5"
    & skf21("3","1","3","2","6","5","4","1") = "5"
    & skf21("3","1","3","2","6","5","5","1") = "5"
    & skf21("3","1","3","2","6","5","6","1") = "5"
    & skf21("3","1","3","2","6","5","7","1") = "6"
    & skf21("3","1","3","2","6","6","1","1") = "5"
    & skf21("3","1","3","2","6","6","2","1") = "5"
    & skf21("3","1","3","2","6","6","3","1") = "5"
    & skf21("3","1","3","2","6","6","4","1") = "5"
    & skf21("3","1","3","2","6","6","5","1") = "5"
    & skf21("3","1","3","2","6","6","6","1") = "5"
    & skf21("3","1","3","2","6","6","7","1") = "6"
    & skf21("3","1","3","2","6","7","1","1") = "6"
    & skf21("3","1","3","2","6","7","2","1") = "6"
    & skf21("3","1","3","2","6","7","3","1") = "6"
    & skf21("3","1","3","2","6","7","4","1") = "6"
    & skf21("3","1","3","2","6","7","5","1") = "6"
    & skf21("3","1","3","2","6","7","6","1") = "6"
    & skf21("3","1","3","2","6","7","7","1") = "6"
    & skf21("3","1","3","2","7","1","1","1") = "6"
    & skf21("3","1","3","2","7","1","2","1") = "6"
    & skf21("3","1","3","2","7","1","3","1") = "6"
    & skf21("3","1","3","2","7","1","4","1") = "6"
    & skf21("3","1","3","2","7","1","5","1") = "6"
    & skf21("3","1","3","2","7","1","6","1") = "6"
    & skf21("3","1","3","2","7","1","7","1") = "6"
    & skf21("3","1","3","2","7","2","1","1") = "6"
    & skf21("3","1","3","2","7","2","2","1") = "6"
    & skf21("3","1","3","2","7","2","3","1") = "6"
    & skf21("3","1","3","2","7","2","4","1") = "6"
    & skf21("3","1","3","2","7","2","5","1") = "6"
    & skf21("3","1","3","2","7","2","6","1") = "6"
    & skf21("3","1","3","2","7","2","7","1") = "6"
    & skf21("3","1","3","2","7","3","1","1") = "6"
    & skf21("3","1","3","2","7","3","2","1") = "6"
    & skf21("3","1","3","2","7","3","3","1") = "6"
    & skf21("3","1","3","2","7","3","4","1") = "6"
    & skf21("3","1","3","2","7","3","5","1") = "6"
    & skf21("3","1","3","2","7","3","6","1") = "6"
    & skf21("3","1","3","2","7","3","7","1") = "6"
    & skf21("3","1","3","2","7","4","1","1") = "6"
    & skf21("3","1","3","2","7","4","2","1") = "6"
    & skf21("3","1","3","2","7","4","3","1") = "6"
    & skf21("3","1","3","2","7","4","4","1") = "6"
    & skf21("3","1","3","2","7","4","5","1") = "6"
    & skf21("3","1","3","2","7","4","6","1") = "6"
    & skf21("3","1","3","2","7","4","7","1") = "6"
    & skf21("3","1","3","2","7","5","1","1") = "6"
    & skf21("3","1","3","2","7","5","2","1") = "6"
    & skf21("3","1","3","2","7","5","3","1") = "6"
    & skf21("3","1","3","2","7","5","4","1") = "6"
    & skf21("3","1","3","2","7","5","5","1") = "6"
    & skf21("3","1","3","2","7","5","6","1") = "6"
    & skf21("3","1","3","2","7","5","7","1") = "6"
    & skf21("3","1","3","2","7","6","1","1") = "6"
    & skf21("3","1","3","2","7","6","2","1") = "6"
    & skf21("3","1","3","2","7","6","3","1") = "6"
    & skf21("3","1","3","2","7","6","4","1") = "6"
    & skf21("3","1","3","2","7","6","5","1") = "6"
    & skf21("3","1","3","2","7","6","6","1") = "6"
    & skf21("3","1","3","2","7","6","7","1") = "6"
    & skf21("3","1","3","2","7","7","1","1") = "6"
    & skf21("3","1","3","2","7","7","2","1") = "6"
    & skf21("3","1","3","2","7","7","3","1") = "6"
    & skf21("3","1","3","2","7","7","4","1") = "6"
    & skf21("3","1","3","2","7","7","5","1") = "6"
    & skf21("3","1","3","2","7","7","6","1") = "6"
    & skf21("3","1","3","2","7","7","7","1") = "6"
    & skf21("3","1","3","3","1","1","1","1") = "2"
    & skf21("3","1","3","3","1","1","2","1") = "2"
    & skf21("3","1","3","3","1","1","3","1") = "2"
    & skf21("3","1","3","3","1","1","4","1") = "3"
    & skf21("3","1","3","3","1","1","5","1") = "4"
    & skf21("3","1","3","3","1","1","6","1") = "5"
    & skf21("3","1","3","3","1","1","7","1") = "6"
    & skf21("3","1","3","3","1","2","1","1") = "2"
    & skf21("3","1","3","3","1","2","2","1") = "2"
    & skf21("3","1","3","3","1","2","3","1") = "2"
    & skf21("3","1","3","3","1","2","4","1") = "3"
    & skf21("3","1","3","3","1","2","5","1") = "4"
    & skf21("3","1","3","3","1","2","6","1") = "5"
    & skf21("3","1","3","3","1","2","7","1") = "6"
    & skf21("3","1","3","3","1","3","1","1") = "2"
    & skf21("3","1","3","3","1","3","2","1") = "2"
    & skf21("3","1","3","3","1","3","3","1") = "2"
    & skf21("3","1","3","3","1","3","4","1") = "3"
    & skf21("3","1","3","3","1","3","5","1") = "4"
    & skf21("3","1","3","3","1","3","6","1") = "5"
    & skf21("3","1","3","3","1","3","7","1") = "6"
    & skf21("3","1","3","3","1","4","1","1") = "3"
    & skf21("3","1","3","3","1","4","2","1") = "3"
    & skf21("3","1","3","3","1","4","3","1") = "3"
    & skf21("3","1","3","3","1","4","4","1") = "3"
    & skf21("3","1","3","3","1","4","5","1") = "4"
    & skf21("3","1","3","3","1","4","6","1") = "5"
    & skf21("3","1","3","3","1","4","7","1") = "6"
    & skf21("3","1","3","3","1","5","1","1") = "4"
    & skf21("3","1","3","3","1","5","2","1") = "4"
    & skf21("3","1","3","3","1","5","3","1") = "4"
    & skf21("3","1","3","3","1","5","4","1") = "4"
    & skf21("3","1","3","3","1","5","5","1") = "4"
    & skf21("3","1","3","3","1","5","6","1") = "5"
    & skf21("3","1","3","3","1","5","7","1") = "6"
    & skf21("3","1","3","3","1","6","1","1") = "5"
    & skf21("3","1","3","3","1","6","2","1") = "5"
    & skf21("3","1","3","3","1","6","3","1") = "5"
    & skf21("3","1","3","3","1","6","4","1") = "5"
    & skf21("3","1","3","3","1","6","5","1") = "5"
    & skf21("3","1","3","3","1","6","6","1") = "5"
    & skf21("3","1","3","3","1","6","7","1") = "6"
    & skf21("3","1","3","3","1","7","1","1") = "6"
    & skf21("3","1","3","3","1","7","2","1") = "6"
    & skf21("3","1","3","3","1","7","3","1") = "6"
    & skf21("3","1","3","3","1","7","4","1") = "6"
    & skf21("3","1","3","3","1","7","5","1") = "6"
    & skf21("3","1","3","3","1","7","6","1") = "6"
    & skf21("3","1","3","3","1","7","7","1") = "6"
    & skf21("3","1","3","3","2","1","1","1") = "2"
    & skf21("3","1","3","3","2","1","2","1") = "2"
    & skf21("3","1","3","3","2","1","3","1") = "2"
    & skf21("3","1","3","3","2","1","4","1") = "3"
    & skf21("3","1","3","3","2","1","5","1") = "4"
    & skf21("3","1","3","3","2","1","6","1") = "5"
    & skf21("3","1","3","3","2","1","7","1") = "6"
    & skf21("3","1","3","3","2","2","1","1") = "2"
    & skf21("3","1","3","3","2","2","2","1") = "2"
    & skf21("3","1","3","3","2","2","3","1") = "2"
    & skf21("3","1","3","3","2","2","4","1") = "3"
    & skf21("3","1","3","3","2","2","5","1") = "4"
    & skf21("3","1","3","3","2","2","6","1") = "5"
    & skf21("3","1","3","3","2","2","7","1") = "6"
    & skf21("3","1","3","3","2","3","1","1") = "2"
    & skf21("3","1","3","3","2","3","2","1") = "2"
    & skf21("3","1","3","3","2","3","3","1") = "2"
    & skf21("3","1","3","3","2","3","4","1") = "3"
    & skf21("3","1","3","3","2","3","5","1") = "4"
    & skf21("3","1","3","3","2","3","6","1") = "5"
    & skf21("3","1","3","3","2","3","7","1") = "6"
    & skf21("3","1","3","3","2","4","1","1") = "3"
    & skf21("3","1","3","3","2","4","2","1") = "3"
    & skf21("3","1","3","3","2","4","3","1") = "3"
    & skf21("3","1","3","3","2","4","4","1") = "3"
    & skf21("3","1","3","3","2","4","5","1") = "4"
    & skf21("3","1","3","3","2","4","6","1") = "5"
    & skf21("3","1","3","3","2","4","7","1") = "6"
    & skf21("3","1","3","3","2","5","1","1") = "4"
    & skf21("3","1","3","3","2","5","2","1") = "4"
    & skf21("3","1","3","3","2","5","3","1") = "4"
    & skf21("3","1","3","3","2","5","4","1") = "4"
    & skf21("3","1","3","3","2","5","5","1") = "4"
    & skf21("3","1","3","3","2","5","6","1") = "5"
    & skf21("3","1","3","3","2","5","7","1") = "6"
    & skf21("3","1","3","3","2","6","1","1") = "5"
    & skf21("3","1","3","3","2","6","2","1") = "5"
    & skf21("3","1","3","3","2","6","3","1") = "5"
    & skf21("3","1","3","3","2","6","4","1") = "5"
    & skf21("3","1","3","3","2","6","5","1") = "5"
    & skf21("3","1","3","3","2","6","6","1") = "5"
    & skf21("3","1","3","3","2","6","7","1") = "6"
    & skf21("3","1","3","3","2","7","1","1") = "6"
    & skf21("3","1","3","3","2","7","2","1") = "6"
    & skf21("3","1","3","3","2","7","3","1") = "6"
    & skf21("3","1","3","3","2","7","4","1") = "6"
    & skf21("3","1","3","3","2","7","5","1") = "6"
    & skf21("3","1","3","3","2","7","6","1") = "6"
    & skf21("3","1","3","3","2","7","7","1") = "6"
    & skf21("3","1","3","3","3","1","1","1") = "2"
    & skf21("3","1","3","3","3","1","2","1") = "2"
    & skf21("3","1","3","3","3","1","3","1") = "2"
    & skf21("3","1","3","3","3","1","4","1") = "3"
    & skf21("3","1","3","3","3","1","5","1") = "4"
    & skf21("3","1","3","3","3","1","6","1") = "5"
    & skf21("3","1","3","3","3","1","7","1") = "6"
    & skf21("3","1","3","3","3","2","1","1") = "2"
    & skf21("3","1","3","3","3","2","2","1") = "1"
    & skf21("3","1","3","3","3","2","3","1") = "2"
    & skf21("3","1","3","3","3","2","4","1") = "3"
    & skf21("3","1","3","3","3","2","5","1") = "4"
    & skf21("3","1","3","3","3","2","6","1") = "5"
    & skf21("3","1","3","3","3","2","7","1") = "6"
    & skf21("3","1","3","3","3","3","1","1") = "1"
    & skf21("3","1","3","3","3","3","2","1") = "2"
    & skf21("3","1","3","3","3","3","3","1") = "2"
    & skf21("3","1","3","3","3","3","4","1") = "3"
    & skf21("3","1","3","3","3","3","5","1") = "4"
    & skf21("3","1","3","3","3","3","6","1") = "5"
    & skf21("3","1","3","3","3","3","7","1") = "6"
    & skf21("3","1","3","3","3","4","1","1") = "3"
    & skf21("3","1","3","3","3","4","2","1") = "3"
    & skf21("3","1","3","3","3","4","3","1") = "3"
    & skf21("3","1","3","3","3","4","4","1") = "3"
    & skf21("3","1","3","3","3","4","5","1") = "4"
    & skf21("3","1","3","3","3","4","6","1") = "5"
    & skf21("3","1","3","3","3","4","7","1") = "6"
    & skf21("3","1","3","3","3","5","1","1") = "4"
    & skf21("3","1","3","3","3","5","2","1") = "4"
    & skf21("3","1","3","3","3","5","3","1") = "4"
    & skf21("3","1","3","3","3","5","4","1") = "4"
    & skf21("3","1","3","3","3","5","5","1") = "4"
    & skf21("3","1","3","3","3","5","6","1") = "5"
    & skf21("3","1","3","3","3","5","7","1") = "6"
    & skf21("3","1","3","3","3","6","1","1") = "5"
    & skf21("3","1","3","3","3","6","2","1") = "5"
    & skf21("3","1","3","3","3","6","3","1") = "5"
    & skf21("3","1","3","3","3","6","4","1") = "5"
    & skf21("3","1","3","3","3","6","5","1") = "5"
    & skf21("3","1","3","3","3","6","6","1") = "5"
    & skf21("3","1","3","3","3","6","7","1") = "6"
    & skf21("3","1","3","3","3","7","1","1") = "6"
    & skf21("3","1","3","3","3","7","2","1") = "6"
    & skf21("3","1","3","3","3","7","3","1") = "6"
    & skf21("3","1","3","3","3","7","4","1") = "6"
    & skf21("3","1","3","3","3","7","5","1") = "6"
    & skf21("3","1","3","3","3","7","6","1") = "6"
    & skf21("3","1","3","3","3","7","7","1") = "6"
    & skf21("3","1","3","3","4","1","1","1") = "3"
    & skf21("3","1","3","3","4","1","2","1") = "3"
    & skf21("3","1","3","3","4","1","3","1") = "3"
    & skf21("3","1","3","3","4","1","4","1") = "3"
    & skf21("3","1","3","3","4","1","5","1") = "4"
    & skf21("3","1","3","3","4","1","6","1") = "5"
    & skf21("3","1","3","3","4","1","7","1") = "6"
    & skf21("3","1","3","3","4","2","1","1") = "3"
    & skf21("3","1","3","3","4","2","2","1") = "3"
    & skf21("3","1","3","3","4","2","3","1") = "3"
    & skf21("3","1","3","3","4","2","4","1") = "3"
    & skf21("3","1","3","3","4","2","5","1") = "4"
    & skf21("3","1","3","3","4","2","6","1") = "5"
    & skf21("3","1","3","3","4","2","7","1") = "6"
    & skf21("3","1","3","3","4","3","1","1") = "3"
    & skf21("3","1","3","3","4","3","2","1") = "3"
    & skf21("3","1","3","3","4","3","3","1") = "3"
    & skf21("3","1","3","3","4","3","4","1") = "3"
    & skf21("3","1","3","3","4","3","5","1") = "4"
    & skf21("3","1","3","3","4","3","6","1") = "5"
    & skf21("3","1","3","3","4","3","7","1") = "6"
    & skf21("3","1","3","3","4","4","1","1") = "3"
    & skf21("3","1","3","3","4","4","2","1") = "3"
    & skf21("3","1","3","3","4","4","3","1") = "3"
    & skf21("3","1","3","3","4","4","4","1") = "3"
    & skf21("3","1","3","3","4","4","5","1") = "4"
    & skf21("3","1","3","3","4","4","6","1") = "5"
    & skf21("3","1","3","3","4","4","7","1") = "6"
    & skf21("3","1","3","3","4","5","1","1") = "4"
    & skf21("3","1","3","3","4","5","2","1") = "4"
    & skf21("3","1","3","3","4","5","3","1") = "4"
    & skf21("3","1","3","3","4","5","4","1") = "4"
    & skf21("3","1","3","3","4","5","5","1") = "4"
    & skf21("3","1","3","3","4","5","6","1") = "5"
    & skf21("3","1","3","3","4","5","7","1") = "6"
    & skf21("3","1","3","3","4","6","1","1") = "5"
    & skf21("3","1","3","3","4","6","2","1") = "5"
    & skf21("3","1","3","3","4","6","3","1") = "5"
    & skf21("3","1","3","3","4","6","4","1") = "5"
    & skf21("3","1","3","3","4","6","5","1") = "5"
    & skf21("3","1","3","3","4","6","6","1") = "5"
    & skf21("3","1","3","3","4","6","7","1") = "6"
    & skf21("3","1","3","3","4","7","1","1") = "6"
    & skf21("3","1","3","3","4","7","2","1") = "6"
    & skf21("3","1","3","3","4","7","3","1") = "6"
    & skf21("3","1","3","3","4","7","4","1") = "6"
    & skf21("3","1","3","3","4","7","5","1") = "6"
    & skf21("3","1","3","3","4","7","6","1") = "6"
    & skf21("3","1","3","3","4","7","7","1") = "6"
    & skf21("3","1","3","3","5","1","1","1") = "4"
    & skf21("3","1","3","3","5","1","2","1") = "4"
    & skf21("3","1","3","3","5","1","3","1") = "4"
    & skf21("3","1","3","3","5","1","4","1") = "4"
    & skf21("3","1","3","3","5","1","5","1") = "4"
    & skf21("3","1","3","3","5","1","6","1") = "5"
    & skf21("3","1","3","3","5","1","7","1") = "6"
    & skf21("3","1","3","3","5","2","1","1") = "4"
    & skf21("3","1","3","3","5","2","2","1") = "4"
    & skf21("3","1","3","3","5","2","3","1") = "4"
    & skf21("3","1","3","3","5","2","4","1") = "4"
    & skf21("3","1","3","3","5","2","5","1") = "4"
    & skf21("3","1","3","3","5","2","6","1") = "5"
    & skf21("3","1","3","3","5","2","7","1") = "6"
    & skf21("3","1","3","3","5","3","1","1") = "4"
    & skf21("3","1","3","3","5","3","2","1") = "4"
    & skf21("3","1","3","3","5","3","3","1") = "4"
    & skf21("3","1","3","3","5","3","4","1") = "4"
    & skf21("3","1","3","3","5","3","5","1") = "4"
    & skf21("3","1","3","3","5","3","6","1") = "5"
    & skf21("3","1","3","3","5","3","7","1") = "6"
    & skf21("3","1","3","3","5","4","1","1") = "4"
    & skf21("3","1","3","3","5","4","2","1") = "4"
    & skf21("3","1","3","3","5","4","3","1") = "4"
    & skf21("3","1","3","3","5","4","4","1") = "4"
    & skf21("3","1","3","3","5","4","5","1") = "4"
    & skf21("3","1","3","3","5","4","6","1") = "5"
    & skf21("3","1","3","3","5","4","7","1") = "6"
    & skf21("3","1","3","3","5","5","1","1") = "4"
    & skf21("3","1","3","3","5","5","2","1") = "4"
    & skf21("3","1","3","3","5","5","3","1") = "4"
    & skf21("3","1","3","3","5","5","4","1") = "4"
    & skf21("3","1","3","3","5","5","5","1") = "4"
    & skf21("3","1","3","3","5","5","6","1") = "5"
    & skf21("3","1","3","3","5","5","7","1") = "6"
    & skf21("3","1","3","3","5","6","1","1") = "5"
    & skf21("3","1","3","3","5","6","2","1") = "5"
    & skf21("3","1","3","3","5","6","3","1") = "5"
    & skf21("3","1","3","3","5","6","4","1") = "5"
    & skf21("3","1","3","3","5","6","5","1") = "5"
    & skf21("3","1","3","3","5","6","6","1") = "5"
    & skf21("3","1","3","3","5","6","7","1") = "6"
    & skf21("3","1","3","3","5","7","1","1") = "6"
    & skf21("3","1","3","3","5","7","2","1") = "6"
    & skf21("3","1","3","3","5","7","3","1") = "6"
    & skf21("3","1","3","3","5","7","4","1") = "6"
    & skf21("3","1","3","3","5","7","5","1") = "6"
    & skf21("3","1","3","3","5","7","6","1") = "6"
    & skf21("3","1","3","3","5","7","7","1") = "6"
    & skf21("3","1","3","3","6","1","1","1") = "5"
    & skf21("3","1","3","3","6","1","2","1") = "5"
    & skf21("3","1","3","3","6","1","3","1") = "5"
    & skf21("3","1","3","3","6","1","4","1") = "5"
    & skf21("3","1","3","3","6","1","5","1") = "5"
    & skf21("3","1","3","3","6","1","6","1") = "5"
    & skf21("3","1","3","3","6","1","7","1") = "6"
    & skf21("3","1","3","3","6","2","1","1") = "5"
    & skf21("3","1","3","3","6","2","2","1") = "5"
    & skf21("3","1","3","3","6","2","3","1") = "5"
    & skf21("3","1","3","3","6","2","4","1") = "5"
    & skf21("3","1","3","3","6","2","5","1") = "5"
    & skf21("3","1","3","3","6","2","6","1") = "5"
    & skf21("3","1","3","3","6","2","7","1") = "6"
    & skf21("3","1","3","3","6","3","1","1") = "5"
    & skf21("3","1","3","3","6","3","2","1") = "5"
    & skf21("3","1","3","3","6","3","3","1") = "5"
    & skf21("3","1","3","3","6","3","4","1") = "5"
    & skf21("3","1","3","3","6","3","5","1") = "5"
    & skf21("3","1","3","3","6","3","6","1") = "5"
    & skf21("3","1","3","3","6","3","7","1") = "6"
    & skf21("3","1","3","3","6","4","1","1") = "5"
    & skf21("3","1","3","3","6","4","2","1") = "5"
    & skf21("3","1","3","3","6","4","3","1") = "5"
    & skf21("3","1","3","3","6","4","4","1") = "5"
    & skf21("3","1","3","3","6","4","5","1") = "5"
    & skf21("3","1","3","3","6","4","6","1") = "5"
    & skf21("3","1","3","3","6","4","7","1") = "6"
    & skf21("3","1","3","3","6","5","1","1") = "5"
    & skf21("3","1","3","3","6","5","2","1") = "5"
    & skf21("3","1","3","3","6","5","3","1") = "5"
    & skf21("3","1","3","3","6","5","4","1") = "5"
    & skf21("3","1","3","3","6","5","5","1") = "5"
    & skf21("3","1","3","3","6","5","6","1") = "5"
    & skf21("3","1","3","3","6","5","7","1") = "6"
    & skf21("3","1","3","3","6","6","1","1") = "5"
    & skf21("3","1","3","3","6","6","2","1") = "5"
    & skf21("3","1","3","3","6","6","3","1") = "5"
    & skf21("3","1","3","3","6","6","4","1") = "5"
    & skf21("3","1","3","3","6","6","5","1") = "5"
    & skf21("3","1","3","3","6","6","6","1") = "5"
    & skf21("3","1","3","3","6","6","7","1") = "6"
    & skf21("3","1","3","3","6","7","1","1") = "6"
    & skf21("3","1","3","3","6","7","2","1") = "6"
    & skf21("3","1","3","3","6","7","3","1") = "6"
    & skf21("3","1","3","3","6","7","4","1") = "6"
    & skf21("3","1","3","3","6","7","5","1") = "6"
    & skf21("3","1","3","3","6","7","6","1") = "6"
    & skf21("3","1","3","3","6","7","7","1") = "6"
    & skf21("3","1","3","3","7","1","1","1") = "6"
    & skf21("3","1","3","3","7","1","2","1") = "6"
    & skf21("3","1","3","3","7","1","3","1") = "6"
    & skf21("3","1","3","3","7","1","4","1") = "6"
    & skf21("3","1","3","3","7","1","5","1") = "6"
    & skf21("3","1","3","3","7","1","6","1") = "6"
    & skf21("3","1","3","3","7","1","7","1") = "6"
    & skf21("3","1","3","3","7","2","1","1") = "6"
    & skf21("3","1","3","3","7","2","2","1") = "6"
    & skf21("3","1","3","3","7","2","3","1") = "6"
    & skf21("3","1","3","3","7","2","4","1") = "6"
    & skf21("3","1","3","3","7","2","5","1") = "6"
    & skf21("3","1","3","3","7","2","6","1") = "6"
    & skf21("3","1","3","3","7","2","7","1") = "6"
    & skf21("3","1","3","3","7","3","1","1") = "6"
    & skf21("3","1","3","3","7","3","2","1") = "6"
    & skf21("3","1","3","3","7","3","3","1") = "6"
    & skf21("3","1","3","3","7","3","4","1") = "6"
    & skf21("3","1","3","3","7","3","5","1") = "6"
    & skf21("3","1","3","3","7","3","6","1") = "6"
    & skf21("3","1","3","3","7","3","7","1") = "6"
    & skf21("3","1","3","3","7","4","1","1") = "6"
    & skf21("3","1","3","3","7","4","2","1") = "6"
    & skf21("3","1","3","3","7","4","3","1") = "6"
    & skf21("3","1","3","3","7","4","4","1") = "6"
    & skf21("3","1","3","3","7","4","5","1") = "6"
    & skf21("3","1","3","3","7","4","6","1") = "6"
    & skf21("3","1","3","3","7","4","7","1") = "6"
    & skf21("3","1","3","3","7","5","1","1") = "6"
    & skf21("3","1","3","3","7","5","2","1") = "6"
    & skf21("3","1","3","3","7","5","3","1") = "6"
    & skf21("3","1","3","3","7","5","4","1") = "6"
    & skf21("3","1","3","3","7","5","5","1") = "6"
    & skf21("3","1","3","3","7","5","6","1") = "6"
    & skf21("3","1","3","3","7","5","7","1") = "6"
    & skf21("3","1","3","3","7","6","1","1") = "6"
    & skf21("3","1","3","3","7","6","2","1") = "6"
    & skf21("3","1","3","3","7","6","3","1") = "6"
    & skf21("3","1","3","3","7","6","4","1") = "6"
    & skf21("3","1","3","3","7","6","5","1") = "6"
    & skf21("3","1","3","3","7","6","6","1") = "6"
    & skf21("3","1","3","3","7","6","7","1") = "6"
    & skf21("3","1","3","3","7","7","1","1") = "6"
    & skf21("3","1","3","3","7","7","2","1") = "6"
    & skf21("3","1","3","3","7","7","3","1") = "6"
    & skf21("3","1","3","3","7","7","4","1") = "6"
    & skf21("3","1","3","3","7","7","5","1") = "6"
    & skf21("3","1","3","3","7","7","6","1") = "6"
    & skf21("3","1","3","3","7","7","7","1") = "6"
    & skf21("3","1","3","4","1","1","1","1") = "3"
    & skf21("3","1","3","4","1","1","2","1") = "3"
    & skf21("3","1","3","4","1","1","3","1") = "3"
    & skf21("3","1","3","4","1","1","4","1") = "3"
    & skf21("3","1","3","4","1","1","5","1") = "4"
    & skf21("3","1","3","4","1","1","6","1") = "5"
    & skf21("3","1","3","4","1","1","7","1") = "6"
    & skf21("3","1","3","4","1","2","1","1") = "3"
    & skf21("3","1","3","4","1","2","2","1") = "3"
    & skf21("3","1","3","4","1","2","3","1") = "3"
    & skf21("3","1","3","4","1","2","4","1") = "3"
    & skf21("3","1","3","4","1","2","5","1") = "4"
    & skf21("3","1","3","4","1","2","6","1") = "5"
    & skf21("3","1","3","4","1","2","7","1") = "6"
    & skf21("3","1","3","4","1","3","1","1") = "3"
    & skf21("3","1","3","4","1","3","2","1") = "3"
    & skf21("3","1","3","4","1","3","3","1") = "3"
    & skf21("3","1","3","4","1","3","4","1") = "3"
    & skf21("3","1","3","4","1","3","5","1") = "4"
    & skf21("3","1","3","4","1","3","6","1") = "5"
    & skf21("3","1","3","4","1","3","7","1") = "6"
    & skf21("3","1","3","4","1","4","1","1") = "3"
    & skf21("3","1","3","4","1","4","2","1") = "3"
    & skf21("3","1","3","4","1","4","3","1") = "3"
    & skf21("3","1","3","4","1","4","4","1") = "3"
    & skf21("3","1","3","4","1","4","5","1") = "4"
    & skf21("3","1","3","4","1","4","6","1") = "5"
    & skf21("3","1","3","4","1","4","7","1") = "6"
    & skf21("3","1","3","4","1","5","1","1") = "4"
    & skf21("3","1","3","4","1","5","2","1") = "4"
    & skf21("3","1","3","4","1","5","3","1") = "4"
    & skf21("3","1","3","4","1","5","4","1") = "4"
    & skf21("3","1","3","4","1","5","5","1") = "4"
    & skf21("3","1","3","4","1","5","6","1") = "5"
    & skf21("3","1","3","4","1","5","7","1") = "6"
    & skf21("3","1","3","4","1","6","1","1") = "5"
    & skf21("3","1","3","4","1","6","2","1") = "5"
    & skf21("3","1","3","4","1","6","3","1") = "5"
    & skf21("3","1","3","4","1","6","4","1") = "5"
    & skf21("3","1","3","4","1","6","5","1") = "5"
    & skf21("3","1","3","4","1","6","6","1") = "5"
    & skf21("3","1","3","4","1","6","7","1") = "6"
    & skf21("3","1","3","4","1","7","1","1") = "6"
    & skf21("3","1","3","4","1","7","2","1") = "6"
    & skf21("3","1","3","4","1","7","3","1") = "6"
    & skf21("3","1","3","4","1","7","4","1") = "6"
    & skf21("3","1","3","4","1","7","5","1") = "6"
    & skf21("3","1","3","4","1","7","6","1") = "6"
    & skf21("3","1","3","4","1","7","7","1") = "6"
    & skf21("3","1","3","4","2","1","1","1") = "3"
    & skf21("3","1","3","4","2","1","2","1") = "3"
    & skf21("3","1","3","4","2","1","3","1") = "3"
    & skf21("3","1","3","4","2","1","4","1") = "3"
    & skf21("3","1","3","4","2","1","5","1") = "4"
    & skf21("3","1","3","4","2","1","6","1") = "5"
    & skf21("3","1","3","4","2","1","7","1") = "6"
    & skf21("3","1","3","4","2","2","1","1") = "3"
    & skf21("3","1","3","4","2","2","2","1") = "3"
    & skf21("3","1","3","4","2","2","3","1") = "3"
    & skf21("3","1","3","4","2","2","4","1") = "3"
    & skf21("3","1","3","4","2","2","5","1") = "4"
    & skf21("3","1","3","4","2","2","6","1") = "5"
    & skf21("3","1","3","4","2","2","7","1") = "6"
    & skf21("3","1","3","4","2","3","1","1") = "3"
    & skf21("3","1","3","4","2","3","2","1") = "3"
    & skf21("3","1","3","4","2","3","3","1") = "3"
    & skf21("3","1","3","4","2","3","4","1") = "3"
    & skf21("3","1","3","4","2","3","5","1") = "4"
    & skf21("3","1","3","4","2","3","6","1") = "5"
    & skf21("3","1","3","4","2","3","7","1") = "6"
    & skf21("3","1","3","4","2","4","1","1") = "3"
    & skf21("3","1","3","4","2","4","2","1") = "3"
    & skf21("3","1","3","4","2","4","3","1") = "3"
    & skf21("3","1","3","4","2","4","4","1") = "3"
    & skf21("3","1","3","4","2","4","5","1") = "4"
    & skf21("3","1","3","4","2","4","6","1") = "5"
    & skf21("3","1","3","4","2","4","7","1") = "6"
    & skf21("3","1","3","4","2","5","1","1") = "4"
    & skf21("3","1","3","4","2","5","2","1") = "4"
    & skf21("3","1","3","4","2","5","3","1") = "4"
    & skf21("3","1","3","4","2","5","4","1") = "4"
    & skf21("3","1","3","4","2","5","5","1") = "4"
    & skf21("3","1","3","4","2","5","6","1") = "5"
    & skf21("3","1","3","4","2","5","7","1") = "6"
    & skf21("3","1","3","4","2","6","1","1") = "5"
    & skf21("3","1","3","4","2","6","2","1") = "5"
    & skf21("3","1","3","4","2","6","3","1") = "5"
    & skf21("3","1","3","4","2","6","4","1") = "5"
    & skf21("3","1","3","4","2","6","5","1") = "5"
    & skf21("3","1","3","4","2","6","6","1") = "5"
    & skf21("3","1","3","4","2","6","7","1") = "6"
    & skf21("3","1","3","4","2","7","1","1") = "6"
    & skf21("3","1","3","4","2","7","2","1") = "6"
    & skf21("3","1","3","4","2","7","3","1") = "6"
    & skf21("3","1","3","4","2","7","4","1") = "6"
    & skf21("3","1","3","4","2","7","5","1") = "6"
    & skf21("3","1","3","4","2","7","6","1") = "6"
    & skf21("3","1","3","4","2","7","7","1") = "6"
    & skf21("3","1","3","4","3","1","1","1") = "3"
    & skf21("3","1","3","4","3","1","2","1") = "3"
    & skf21("3","1","3","4","3","1","3","1") = "3"
    & skf21("3","1","3","4","3","1","4","1") = "3"
    & skf21("3","1","3","4","3","1","5","1") = "4"
    & skf21("3","1","3","4","3","1","6","1") = "5"
    & skf21("3","1","3","4","3","1","7","1") = "6"
    & skf21("3","1","3","4","3","2","1","1") = "3"
    & skf21("3","1","3","4","3","2","2","1") = "3"
    & skf21("3","1","3","4","3","2","3","1") = "3"
    & skf21("3","1","3","4","3","2","4","1") = "3"
    & skf21("3","1","3","4","3","2","5","1") = "4"
    & skf21("3","1","3","4","3","2","6","1") = "5"
    & skf21("3","1","3","4","3","2","7","1") = "6"
    & skf21("3","1","3","4","3","3","1","1") = "3"
    & skf21("3","1","3","4","3","3","2","1") = "3"
    & skf21("3","1","3","4","3","3","3","1") = "3"
    & skf21("3","1","3","4","3","3","4","1") = "3"
    & skf21("3","1","3","4","3","3","5","1") = "4"
    & skf21("3","1","3","4","3","3","6","1") = "5"
    & skf21("3","1","3","4","3","3","7","1") = "6"
    & skf21("3","1","3","4","3","4","1","1") = "3"
    & skf21("3","1","3","4","3","4","2","1") = "3"
    & skf21("3","1","3","4","3","4","3","1") = "3"
    & skf21("3","1","3","4","3","4","4","1") = "3"
    & skf21("3","1","3","4","3","4","5","1") = "4"
    & skf21("3","1","3","4","3","4","6","1") = "5"
    & skf21("3","1","3","4","3","4","7","1") = "6"
    & skf21("3","1","3","4","3","5","1","1") = "4"
    & skf21("3","1","3","4","3","5","2","1") = "4"
    & skf21("3","1","3","4","3","5","3","1") = "4"
    & skf21("3","1","3","4","3","5","4","1") = "4"
    & skf21("3","1","3","4","3","5","5","1") = "4"
    & skf21("3","1","3","4","3","5","6","1") = "5"
    & skf21("3","1","3","4","3","5","7","1") = "6"
    & skf21("3","1","3","4","3","6","1","1") = "5"
    & skf21("3","1","3","4","3","6","2","1") = "5"
    & skf21("3","1","3","4","3","6","3","1") = "5"
    & skf21("3","1","3","4","3","6","4","1") = "5"
    & skf21("3","1","3","4","3","6","5","1") = "5"
    & skf21("3","1","3","4","3","6","6","1") = "5"
    & skf21("3","1","3","4","3","6","7","1") = "6"
    & skf21("3","1","3","4","3","7","1","1") = "6"
    & skf21("3","1","3","4","3","7","2","1") = "6"
    & skf21("3","1","3","4","3","7","3","1") = "6"
    & skf21("3","1","3","4","3","7","4","1") = "6"
    & skf21("3","1","3","4","3","7","5","1") = "6"
    & skf21("3","1","3","4","3","7","6","1") = "6"
    & skf21("3","1","3","4","3","7","7","1") = "6"
    & skf21("3","1","3","4","4","1","1","1") = "3"
    & skf21("3","1","3","4","4","1","2","1") = "3"
    & skf21("3","1","3","4","4","1","3","1") = "3"
    & skf21("3","1","3","4","4","1","4","1") = "3"
    & skf21("3","1","3","4","4","1","5","1") = "4"
    & skf21("3","1","3","4","4","1","6","1") = "5"
    & skf21("3","1","3","4","4","1","7","1") = "6"
    & skf21("3","1","3","4","4","2","1","1") = "3"
    & skf21("3","1","3","4","4","2","2","1") = "3"
    & skf21("3","1","3","4","4","2","3","1") = "3"
    & skf21("3","1","3","4","4","2","4","1") = "3"
    & skf21("3","1","3","4","4","2","5","1") = "4"
    & skf21("3","1","3","4","4","2","6","1") = "5"
    & skf21("3","1","3","4","4","2","7","1") = "6"
    & skf21("3","1","3","4","4","3","1","1") = "3"
    & skf21("3","1","3","4","4","3","2","1") = "3"
    & skf21("3","1","3","4","4","3","3","1") = "3"
    & skf21("3","1","3","4","4","3","4","1") = "3"
    & skf21("3","1","3","4","4","3","5","1") = "4"
    & skf21("3","1","3","4","4","3","6","1") = "5"
    & skf21("3","1","3","4","4","3","7","1") = "6"
    & skf21("3","1","3","4","4","4","1","1") = "3"
    & skf21("3","1","3","4","4","4","2","1") = "3"
    & skf21("3","1","3","4","4","4","3","1") = "3"
    & skf21("3","1","3","4","4","4","4","1") = "3"
    & skf21("3","1","3","4","4","4","5","1") = "4"
    & skf21("3","1","3","4","4","4","6","1") = "5"
    & skf21("3","1","3","4","4","4","7","1") = "6"
    & skf21("3","1","3","4","4","5","1","1") = "4"
    & skf21("3","1","3","4","4","5","2","1") = "4"
    & skf21("3","1","3","4","4","5","3","1") = "4"
    & skf21("3","1","3","4","4","5","4","1") = "4"
    & skf21("3","1","3","4","4","5","5","1") = "4"
    & skf21("3","1","3","4","4","5","6","1") = "5"
    & skf21("3","1","3","4","4","5","7","1") = "6"
    & skf21("3","1","3","4","4","6","1","1") = "5"
    & skf21("3","1","3","4","4","6","2","1") = "5"
    & skf21("3","1","3","4","4","6","3","1") = "5"
    & skf21("3","1","3","4","4","6","4","1") = "5"
    & skf21("3","1","3","4","4","6","5","1") = "5"
    & skf21("3","1","3","4","4","6","6","1") = "5"
    & skf21("3","1","3","4","4","6","7","1") = "6"
    & skf21("3","1","3","4","4","7","1","1") = "6"
    & skf21("3","1","3","4","4","7","2","1") = "6"
    & skf21("3","1","3","4","4","7","3","1") = "6"
    & skf21("3","1","3","4","4","7","4","1") = "6"
    & skf21("3","1","3","4","4","7","5","1") = "6"
    & skf21("3","1","3","4","4","7","6","1") = "6"
    & skf21("3","1","3","4","4","7","7","1") = "6"
    & skf21("3","1","3","4","5","1","1","1") = "4"
    & skf21("3","1","3","4","5","1","2","1") = "4"
    & skf21("3","1","3","4","5","1","3","1") = "4"
    & skf21("3","1","3","4","5","1","4","1") = "4"
    & skf21("3","1","3","4","5","1","5","1") = "4"
    & skf21("3","1","3","4","5","1","6","1") = "5"
    & skf21("3","1","3","4","5","1","7","1") = "6"
    & skf21("3","1","3","4","5","2","1","1") = "4"
    & skf21("3","1","3","4","5","2","2","1") = "4"
    & skf21("3","1","3","4","5","2","3","1") = "4"
    & skf21("3","1","3","4","5","2","4","1") = "4"
    & skf21("3","1","3","4","5","2","5","1") = "4"
    & skf21("3","1","3","4","5","2","6","1") = "5"
    & skf21("3","1","3","4","5","2","7","1") = "6"
    & skf21("3","1","3","4","5","3","1","1") = "4"
    & skf21("3","1","3","4","5","3","2","1") = "4"
    & skf21("3","1","3","4","5","3","3","1") = "4"
    & skf21("3","1","3","4","5","3","4","1") = "4"
    & skf21("3","1","3","4","5","3","5","1") = "4"
    & skf21("3","1","3","4","5","3","6","1") = "5"
    & skf21("3","1","3","4","5","3","7","1") = "6"
    & skf21("3","1","3","4","5","4","1","1") = "4"
    & skf21("3","1","3","4","5","4","2","1") = "4"
    & skf21("3","1","3","4","5","4","3","1") = "4"
    & skf21("3","1","3","4","5","4","4","1") = "4"
    & skf21("3","1","3","4","5","4","5","1") = "4"
    & skf21("3","1","3","4","5","4","6","1") = "5"
    & skf21("3","1","3","4","5","4","7","1") = "6"
    & skf21("3","1","3","4","5","5","1","1") = "4"
    & skf21("3","1","3","4","5","5","2","1") = "4"
    & skf21("3","1","3","4","5","5","3","1") = "4"
    & skf21("3","1","3","4","5","5","4","1") = "4"
    & skf21("3","1","3","4","5","5","5","1") = "4"
    & skf21("3","1","3","4","5","5","6","1") = "5"
    & skf21("3","1","3","4","5","5","7","1") = "6"
    & skf21("3","1","3","4","5","6","1","1") = "5"
    & skf21("3","1","3","4","5","6","2","1") = "5"
    & skf21("3","1","3","4","5","6","3","1") = "5"
    & skf21("3","1","3","4","5","6","4","1") = "5"
    & skf21("3","1","3","4","5","6","5","1") = "5"
    & skf21("3","1","3","4","5","6","6","1") = "5"
    & skf21("3","1","3","4","5","6","7","1") = "6"
    & skf21("3","1","3","4","5","7","1","1") = "6"
    & skf21("3","1","3","4","5","7","2","1") = "6"
    & skf21("3","1","3","4","5","7","3","1") = "6"
    & skf21("3","1","3","4","5","7","4","1") = "6"
    & skf21("3","1","3","4","5","7","5","1") = "6"
    & skf21("3","1","3","4","5","7","6","1") = "6"
    & skf21("3","1","3","4","5","7","7","1") = "6"
    & skf21("3","1","3","4","6","1","1","1") = "5"
    & skf21("3","1","3","4","6","1","2","1") = "5"
    & skf21("3","1","3","4","6","1","3","1") = "5"
    & skf21("3","1","3","4","6","1","4","1") = "5"
    & skf21("3","1","3","4","6","1","5","1") = "5"
    & skf21("3","1","3","4","6","1","6","1") = "5"
    & skf21("3","1","3","4","6","1","7","1") = "6"
    & skf21("3","1","3","4","6","2","1","1") = "5"
    & skf21("3","1","3","4","6","2","2","1") = "5"
    & skf21("3","1","3","4","6","2","3","1") = "5"
    & skf21("3","1","3","4","6","2","4","1") = "5"
    & skf21("3","1","3","4","6","2","5","1") = "5"
    & skf21("3","1","3","4","6","2","6","1") = "5"
    & skf21("3","1","3","4","6","2","7","1") = "6"
    & skf21("3","1","3","4","6","3","1","1") = "5"
    & skf21("3","1","3","4","6","3","2","1") = "5"
    & skf21("3","1","3","4","6","3","3","1") = "5"
    & skf21("3","1","3","4","6","3","4","1") = "5"
    & skf21("3","1","3","4","6","3","5","1") = "5"
    & skf21("3","1","3","4","6","3","6","1") = "5"
    & skf21("3","1","3","4","6","3","7","1") = "6"
    & skf21("3","1","3","4","6","4","1","1") = "5"
    & skf21("3","1","3","4","6","4","2","1") = "5"
    & skf21("3","1","3","4","6","4","3","1") = "5"
    & skf21("3","1","3","4","6","4","4","1") = "5"
    & skf21("3","1","3","4","6","4","5","1") = "5"
    & skf21("3","1","3","4","6","4","6","1") = "5"
    & skf21("3","1","3","4","6","4","7","1") = "6"
    & skf21("3","1","3","4","6","5","1","1") = "5"
    & skf21("3","1","3","4","6","5","2","1") = "5"
    & skf21("3","1","3","4","6","5","3","1") = "5"
    & skf21("3","1","3","4","6","5","4","1") = "5"
    & skf21("3","1","3","4","6","5","5","1") = "5"
    & skf21("3","1","3","4","6","5","6","1") = "5"
    & skf21("3","1","3","4","6","5","7","1") = "6"
    & skf21("3","1","3","4","6","6","1","1") = "5"
    & skf21("3","1","3","4","6","6","2","1") = "5"
    & skf21("3","1","3","4","6","6","3","1") = "5"
    & skf21("3","1","3","4","6","6","4","1") = "5"
    & skf21("3","1","3","4","6","6","5","1") = "5"
    & skf21("3","1","3","4","6","6","6","1") = "5"
    & skf21("3","1","3","4","6","6","7","1") = "6"
    & skf21("3","1","3","4","6","7","1","1") = "6"
    & skf21("3","1","3","4","6","7","2","1") = "6"
    & skf21("3","1","3","4","6","7","3","1") = "6"
    & skf21("3","1","3","4","6","7","4","1") = "6"
    & skf21("3","1","3","4","6","7","5","1") = "6"
    & skf21("3","1","3","4","6","7","6","1") = "6"
    & skf21("3","1","3","4","6","7","7","1") = "6"
    & skf21("3","1","3","4","7","1","1","1") = "6"
    & skf21("3","1","3","4","7","1","2","1") = "6"
    & skf21("3","1","3","4","7","1","3","1") = "6"
    & skf21("3","1","3","4","7","1","4","1") = "6"
    & skf21("3","1","3","4","7","1","5","1") = "6"
    & skf21("3","1","3","4","7","1","6","1") = "6"
    & skf21("3","1","3","4","7","1","7","1") = "6"
    & skf21("3","1","3","4","7","2","1","1") = "6"
    & skf21("3","1","3","4","7","2","2","1") = "6"
    & skf21("3","1","3","4","7","2","3","1") = "6"
    & skf21("3","1","3","4","7","2","4","1") = "6"
    & skf21("3","1","3","4","7","2","5","1") = "6"
    & skf21("3","1","3","4","7","2","6","1") = "6"
    & skf21("3","1","3","4","7","2","7","1") = "6"
    & skf21("3","1","3","4","7","3","1","1") = "6"
    & skf21("3","1","3","4","7","3","2","1") = "6"
    & skf21("3","1","3","4","7","3","3","1") = "6"
    & skf21("3","1","3","4","7","3","4","1") = "6"
    & skf21("3","1","3","4","7","3","5","1") = "6"
    & skf21("3","1","3","4","7","3","6","1") = "6"
    & skf21("3","1","3","4","7","3","7","1") = "6"
    & skf21("3","1","3","4","7","4","1","1") = "6"
    & skf21("3","1","3","4","7","4","2","1") = "6"
    & skf21("3","1","3","4","7","4","3","1") = "6"
    & skf21("3","1","3","4","7","4","4","1") = "6"
    & skf21("3","1","3","4","7","4","5","1") = "6"
    & skf21("3","1","3","4","7","4","6","1") = "6"
    & skf21("3","1","3","4","7","4","7","1") = "6"
    & skf21("3","1","3","4","7","5","1","1") = "6"
    & skf21("3","1","3","4","7","5","2","1") = "6"
    & skf21("3","1","3","4","7","5","3","1") = "6"
    & skf21("3","1","3","4","7","5","4","1") = "6"
    & skf21("3","1","3","4","7","5","5","1") = "6"
    & skf21("3","1","3","4","7","5","6","1") = "6"
    & skf21("3","1","3","4","7","5","7","1") = "6"
    & skf21("3","1","3","4","7","6","1","1") = "6"
    & skf21("3","1","3","4","7","6","2","1") = "6"
    & skf21("3","1","3","4","7","6","3","1") = "6"
    & skf21("3","1","3","4","7","6","4","1") = "6"
    & skf21("3","1","3","4","7","6","5","1") = "6"
    & skf21("3","1","3","4","7","6","6","1") = "6"
    & skf21("3","1","3","4","7","6","7","1") = "6"
    & skf21("3","1","3","4","7","7","1","1") = "6"
    & skf21("3","1","3","4","7","7","2","1") = "6"
    & skf21("3","1","3","4","7","7","3","1") = "6"
    & skf21("3","1","3","4","7","7","4","1") = "6"
    & skf21("3","1","3","4","7","7","5","1") = "6"
    & skf21("3","1","3","4","7","7","6","1") = "6"
    & skf21("3","1","3","4","7","7","7","1") = "6"
    & skf21("3","1","3","5","1","1","1","1") = "4"
    & skf21("3","1","3","5","1","1","2","1") = "4"
    & skf21("3","1","3","5","1","1","3","1") = "4"
    & skf21("3","1","3","5","1","1","4","1") = "4"
    & skf21("3","1","3","5","1","1","5","1") = "4"
    & skf21("3","1","3","5","1","1","6","1") = "5"
    & skf21("3","1","3","5","1","1","7","1") = "6"
    & skf21("3","1","3","5","1","2","1","1") = "4"
    & skf21("3","1","3","5","1","2","2","1") = "4"
    & skf21("3","1","3","5","1","2","3","1") = "4"
    & skf21("3","1","3","5","1","2","4","1") = "4"
    & skf21("3","1","3","5","1","2","5","1") = "4"
    & skf21("3","1","3","5","1","2","6","1") = "5"
    & skf21("3","1","3","5","1","2","7","1") = "6"
    & skf21("3","1","3","5","1","3","1","1") = "4"
    & skf21("3","1","3","5","1","3","2","1") = "4"
    & skf21("3","1","3","5","1","3","3","1") = "4"
    & skf21("3","1","3","5","1","3","4","1") = "4"
    & skf21("3","1","3","5","1","3","5","1") = "4"
    & skf21("3","1","3","5","1","3","6","1") = "5"
    & skf21("3","1","3","5","1","3","7","1") = "6"
    & skf21("3","1","3","5","1","4","1","1") = "4"
    & skf21("3","1","3","5","1","4","2","1") = "4"
    & skf21("3","1","3","5","1","4","3","1") = "4"
    & skf21("3","1","3","5","1","4","4","1") = "4"
    & skf21("3","1","3","5","1","4","5","1") = "4"
    & skf21("3","1","3","5","1","4","6","1") = "5"
    & skf21("3","1","3","5","1","4","7","1") = "6"
    & skf21("3","1","3","5","1","5","1","1") = "4"
    & skf21("3","1","3","5","1","5","2","1") = "4"
    & skf21("3","1","3","5","1","5","3","1") = "4"
    & skf21("3","1","3","5","1","5","4","1") = "4"
    & skf21("3","1","3","5","1","5","5","1") = "4"
    & skf21("3","1","3","5","1","5","6","1") = "5"
    & skf21("3","1","3","5","1","5","7","1") = "6"
    & skf21("3","1","3","5","1","6","1","1") = "5"
    & skf21("3","1","3","5","1","6","2","1") = "5"
    & skf21("3","1","3","5","1","6","3","1") = "5"
    & skf21("3","1","3","5","1","6","4","1") = "5"
    & skf21("3","1","3","5","1","6","5","1") = "5"
    & skf21("3","1","3","5","1","6","6","1") = "5"
    & skf21("3","1","3","5","1","6","7","1") = "6"
    & skf21("3","1","3","5","1","7","1","1") = "6"
    & skf21("3","1","3","5","1","7","2","1") = "6"
    & skf21("3","1","3","5","1","7","3","1") = "6"
    & skf21("3","1","3","5","1","7","4","1") = "6"
    & skf21("3","1","3","5","1","7","5","1") = "6"
    & skf21("3","1","3","5","1","7","6","1") = "6"
    & skf21("3","1","3","5","1","7","7","1") = "6"
    & skf21("3","1","3","5","2","1","1","1") = "4"
    & skf21("3","1","3","5","2","1","2","1") = "4"
    & skf21("3","1","3","5","2","1","3","1") = "4"
    & skf21("3","1","3","5","2","1","4","1") = "4"
    & skf21("3","1","3","5","2","1","5","1") = "4"
    & skf21("3","1","3","5","2","1","6","1") = "5"
    & skf21("3","1","3","5","2","1","7","1") = "6"
    & skf21("3","1","3","5","2","2","1","1") = "4"
    & skf21("3","1","3","5","2","2","2","1") = "4"
    & skf21("3","1","3","5","2","2","3","1") = "4"
    & skf21("3","1","3","5","2","2","4","1") = "4"
    & skf21("3","1","3","5","2","2","5","1") = "4"
    & skf21("3","1","3","5","2","2","6","1") = "5"
    & skf21("3","1","3","5","2","2","7","1") = "6"
    & skf21("3","1","3","5","2","3","1","1") = "4"
    & skf21("3","1","3","5","2","3","2","1") = "4"
    & skf21("3","1","3","5","2","3","3","1") = "4"
    & skf21("3","1","3","5","2","3","4","1") = "4"
    & skf21("3","1","3","5","2","3","5","1") = "4"
    & skf21("3","1","3","5","2","3","6","1") = "5"
    & skf21("3","1","3","5","2","3","7","1") = "6"
    & skf21("3","1","3","5","2","4","1","1") = "4"
    & skf21("3","1","3","5","2","4","2","1") = "4"
    & skf21("3","1","3","5","2","4","3","1") = "4"
    & skf21("3","1","3","5","2","4","4","1") = "4"
    & skf21("3","1","3","5","2","4","5","1") = "4"
    & skf21("3","1","3","5","2","4","6","1") = "5"
    & skf21("3","1","3","5","2","4","7","1") = "6"
    & skf21("3","1","3","5","2","5","1","1") = "4"
    & skf21("3","1","3","5","2","5","2","1") = "4"
    & skf21("3","1","3","5","2","5","3","1") = "4"
    & skf21("3","1","3","5","2","5","4","1") = "4"
    & skf21("3","1","3","5","2","5","5","1") = "4"
    & skf21("3","1","3","5","2","5","6","1") = "5"
    & skf21("3","1","3","5","2","5","7","1") = "6"
    & skf21("3","1","3","5","2","6","1","1") = "5"
    & skf21("3","1","3","5","2","6","2","1") = "5"
    & skf21("3","1","3","5","2","6","3","1") = "5"
    & skf21("3","1","3","5","2","6","4","1") = "5"
    & skf21("3","1","3","5","2","6","5","1") = "5"
    & skf21("3","1","3","5","2","6","6","1") = "5"
    & skf21("3","1","3","5","2","6","7","1") = "6"
    & skf21("3","1","3","5","2","7","1","1") = "6"
    & skf21("3","1","3","5","2","7","2","1") = "6"
    & skf21("3","1","3","5","2","7","3","1") = "6"
    & skf21("3","1","3","5","2","7","4","1") = "6"
    & skf21("3","1","3","5","2","7","5","1") = "6"
    & skf21("3","1","3","5","2","7","6","1") = "6"
    & skf21("3","1","3","5","2","7","7","1") = "6"
    & skf21("3","1","3","5","3","1","1","1") = "4"
    & skf21("3","1","3","5","3","1","2","1") = "4"
    & skf21("3","1","3","5","3","1","3","1") = "4"
    & skf21("3","1","3","5","3","1","4","1") = "4"
    & skf21("3","1","3","5","3","1","5","1") = "4"
    & skf21("3","1","3","5","3","1","6","1") = "5"
    & skf21("3","1","3","5","3","1","7","1") = "6"
    & skf21("3","1","3","5","3","2","1","1") = "4"
    & skf21("3","1","3","5","3","2","2","1") = "4"
    & skf21("3","1","3","5","3","2","3","1") = "4"
    & skf21("3","1","3","5","3","2","4","1") = "4"
    & skf21("3","1","3","5","3","2","5","1") = "4"
    & skf21("3","1","3","5","3","2","6","1") = "5"
    & skf21("3","1","3","5","3","2","7","1") = "6"
    & skf21("3","1","3","5","3","3","1","1") = "4"
    & skf21("3","1","3","5","3","3","2","1") = "4"
    & skf21("3","1","3","5","3","3","3","1") = "4"
    & skf21("3","1","3","5","3","3","4","1") = "4"
    & skf21("3","1","3","5","3","3","5","1") = "4"
    & skf21("3","1","3","5","3","3","6","1") = "5"
    & skf21("3","1","3","5","3","3","7","1") = "6"
    & skf21("3","1","3","5","3","4","1","1") = "4"
    & skf21("3","1","3","5","3","4","2","1") = "4"
    & skf21("3","1","3","5","3","4","3","1") = "4"
    & skf21("3","1","3","5","3","4","4","1") = "4"
    & skf21("3","1","3","5","3","4","5","1") = "4"
    & skf21("3","1","3","5","3","4","6","1") = "5"
    & skf21("3","1","3","5","3","4","7","1") = "6"
    & skf21("3","1","3","5","3","5","1","1") = "4"
    & skf21("3","1","3","5","3","5","2","1") = "4"
    & skf21("3","1","3","5","3","5","3","1") = "4"
    & skf21("3","1","3","5","3","5","4","1") = "4"
    & skf21("3","1","3","5","3","5","5","1") = "4"
    & skf21("3","1","3","5","3","5","6","1") = "5"
    & skf21("3","1","3","5","3","5","7","1") = "6"
    & skf21("3","1","3","5","3","6","1","1") = "5"
    & skf21("3","1","3","5","3","6","2","1") = "5"
    & skf21("3","1","3","5","3","6","3","1") = "5"
    & skf21("3","1","3","5","3","6","4","1") = "5"
    & skf21("3","1","3","5","3","6","5","1") = "5"
    & skf21("3","1","3","5","3","6","6","1") = "5"
    & skf21("3","1","3","5","3","6","7","1") = "6"
    & skf21("3","1","3","5","3","7","1","1") = "6"
    & skf21("3","1","3","5","3","7","2","1") = "6"
    & skf21("3","1","3","5","3","7","3","1") = "6"
    & skf21("3","1","3","5","3","7","4","1") = "6"
    & skf21("3","1","3","5","3","7","5","1") = "6"
    & skf21("3","1","3","5","3","7","6","1") = "6"
    & skf21("3","1","3","5","3","7","7","1") = "6"
    & skf21("3","1","3","5","4","1","1","1") = "4"
    & skf21("3","1","3","5","4","1","2","1") = "4"
    & skf21("3","1","3","5","4","1","3","1") = "4"
    & skf21("3","1","3","5","4","1","4","1") = "4"
    & skf21("3","1","3","5","4","1","5","1") = "4"
    & skf21("3","1","3","5","4","1","6","1") = "5"
    & skf21("3","1","3","5","4","1","7","1") = "6"
    & skf21("3","1","3","5","4","2","1","1") = "4"
    & skf21("3","1","3","5","4","2","2","1") = "4"
    & skf21("3","1","3","5","4","2","3","1") = "4"
    & skf21("3","1","3","5","4","2","4","1") = "4"
    & skf21("3","1","3","5","4","2","5","1") = "4"
    & skf21("3","1","3","5","4","2","6","1") = "5"
    & skf21("3","1","3","5","4","2","7","1") = "6"
    & skf21("3","1","3","5","4","3","1","1") = "4"
    & skf21("3","1","3","5","4","3","2","1") = "4"
    & skf21("3","1","3","5","4","3","3","1") = "4"
    & skf21("3","1","3","5","4","3","4","1") = "4"
    & skf21("3","1","3","5","4","3","5","1") = "4"
    & skf21("3","1","3","5","4","3","6","1") = "5"
    & skf21("3","1","3","5","4","3","7","1") = "6"
    & skf21("3","1","3","5","4","4","1","1") = "4"
    & skf21("3","1","3","5","4","4","2","1") = "4"
    & skf21("3","1","3","5","4","4","3","1") = "4"
    & skf21("3","1","3","5","4","4","4","1") = "4"
    & skf21("3","1","3","5","4","4","5","1") = "4"
    & skf21("3","1","3","5","4","4","6","1") = "5"
    & skf21("3","1","3","5","4","4","7","1") = "6"
    & skf21("3","1","3","5","4","5","1","1") = "4"
    & skf21("3","1","3","5","4","5","2","1") = "4"
    & skf21("3","1","3","5","4","5","3","1") = "4"
    & skf21("3","1","3","5","4","5","4","1") = "4"
    & skf21("3","1","3","5","4","5","5","1") = "4"
    & skf21("3","1","3","5","4","5","6","1") = "5"
    & skf21("3","1","3","5","4","5","7","1") = "6"
    & skf21("3","1","3","5","4","6","1","1") = "5"
    & skf21("3","1","3","5","4","6","2","1") = "5"
    & skf21("3","1","3","5","4","6","3","1") = "5"
    & skf21("3","1","3","5","4","6","4","1") = "5"
    & skf21("3","1","3","5","4","6","5","1") = "5"
    & skf21("3","1","3","5","4","6","6","1") = "5"
    & skf21("3","1","3","5","4","6","7","1") = "6"
    & skf21("3","1","3","5","4","7","1","1") = "6"
    & skf21("3","1","3","5","4","7","2","1") = "6"
    & skf21("3","1","3","5","4","7","3","1") = "6"
    & skf21("3","1","3","5","4","7","4","1") = "6"
    & skf21("3","1","3","5","4","7","5","1") = "6"
    & skf21("3","1","3","5","4","7","6","1") = "6"
    & skf21("3","1","3","5","4","7","7","1") = "6"
    & skf21("3","1","3","5","5","1","1","1") = "4"
    & skf21("3","1","3","5","5","1","2","1") = "4"
    & skf21("3","1","3","5","5","1","3","1") = "4"
    & skf21("3","1","3","5","5","1","4","1") = "4"
    & skf21("3","1","3","5","5","1","5","1") = "4"
    & skf21("3","1","3","5","5","1","6","1") = "5"
    & skf21("3","1","3","5","5","1","7","1") = "6"
    & skf21("3","1","3","5","5","2","1","1") = "4"
    & skf21("3","1","3","5","5","2","2","1") = "4"
    & skf21("3","1","3","5","5","2","3","1") = "4"
    & skf21("3","1","3","5","5","2","4","1") = "4"
    & skf21("3","1","3","5","5","2","5","1") = "4"
    & skf21("3","1","3","5","5","2","6","1") = "5"
    & skf21("3","1","3","5","5","2","7","1") = "6"
    & skf21("3","1","3","5","5","3","1","1") = "4"
    & skf21("3","1","3","5","5","3","2","1") = "4"
    & skf21("3","1","3","5","5","3","3","1") = "4"
    & skf21("3","1","3","5","5","3","4","1") = "4"
    & skf21("3","1","3","5","5","3","5","1") = "4"
    & skf21("3","1","3","5","5","3","6","1") = "5"
    & skf21("3","1","3","5","5","3","7","1") = "6"
    & skf21("3","1","3","5","5","4","1","1") = "4"
    & skf21("3","1","3","5","5","4","2","1") = "4"
    & skf21("3","1","3","5","5","4","3","1") = "4"
    & skf21("3","1","3","5","5","4","4","1") = "4"
    & skf21("3","1","3","5","5","4","5","1") = "4"
    & skf21("3","1","3","5","5","4","6","1") = "5"
    & skf21("3","1","3","5","5","4","7","1") = "6"
    & skf21("3","1","3","5","5","5","1","1") = "4"
    & skf21("3","1","3","5","5","5","2","1") = "4"
    & skf21("3","1","3","5","5","5","3","1") = "4"
    & skf21("3","1","3","5","5","5","4","1") = "4"
    & skf21("3","1","3","5","5","5","5","1") = "4"
    & skf21("3","1","3","5","5","5","6","1") = "5"
    & skf21("3","1","3","5","5","5","7","1") = "6"
    & skf21("3","1","3","5","5","6","1","1") = "5"
    & skf21("3","1","3","5","5","6","2","1") = "5"
    & skf21("3","1","3","5","5","6","3","1") = "5"
    & skf21("3","1","3","5","5","6","4","1") = "5"
    & skf21("3","1","3","5","5","6","5","1") = "5"
    & skf21("3","1","3","5","5","6","6","1") = "5"
    & skf21("3","1","3","5","5","6","7","1") = "6"
    & skf21("3","1","3","5","5","7","1","1") = "6"
    & skf21("3","1","3","5","5","7","2","1") = "6"
    & skf21("3","1","3","5","5","7","3","1") = "6"
    & skf21("3","1","3","5","5","7","4","1") = "6"
    & skf21("3","1","3","5","5","7","5","1") = "6"
    & skf21("3","1","3","5","5","7","6","1") = "6"
    & skf21("3","1","3","5","5","7","7","1") = "6"
    & skf21("3","1","3","5","6","1","1","1") = "5"
    & skf21("3","1","3","5","6","1","2","1") = "5"
    & skf21("3","1","3","5","6","1","3","1") = "5"
    & skf21("3","1","3","5","6","1","4","1") = "5"
    & skf21("3","1","3","5","6","1","5","1") = "5"
    & skf21("3","1","3","5","6","1","6","1") = "5"
    & skf21("3","1","3","5","6","1","7","1") = "6"
    & skf21("3","1","3","5","6","2","1","1") = "5"
    & skf21("3","1","3","5","6","2","2","1") = "5"
    & skf21("3","1","3","5","6","2","3","1") = "5"
    & skf21("3","1","3","5","6","2","4","1") = "5"
    & skf21("3","1","3","5","6","2","5","1") = "5"
    & skf21("3","1","3","5","6","2","6","1") = "5"
    & skf21("3","1","3","5","6","2","7","1") = "6"
    & skf21("3","1","3","5","6","3","1","1") = "5"
    & skf21("3","1","3","5","6","3","2","1") = "5"
    & skf21("3","1","3","5","6","3","3","1") = "5"
    & skf21("3","1","3","5","6","3","4","1") = "5"
    & skf21("3","1","3","5","6","3","5","1") = "5"
    & skf21("3","1","3","5","6","3","6","1") = "5"
    & skf21("3","1","3","5","6","3","7","1") = "6"
    & skf21("3","1","3","5","6","4","1","1") = "5"
    & skf21("3","1","3","5","6","4","2","1") = "5"
    & skf21("3","1","3","5","6","4","3","1") = "5"
    & skf21("3","1","3","5","6","4","4","1") = "5"
    & skf21("3","1","3","5","6","4","5","1") = "5"
    & skf21("3","1","3","5","6","4","6","1") = "5"
    & skf21("3","1","3","5","6","4","7","1") = "6"
    & skf21("3","1","3","5","6","5","1","1") = "5"
    & skf21("3","1","3","5","6","5","2","1") = "5"
    & skf21("3","1","3","5","6","5","3","1") = "5"
    & skf21("3","1","3","5","6","5","4","1") = "5"
    & skf21("3","1","3","5","6","5","5","1") = "5"
    & skf21("3","1","3","5","6","5","6","1") = "5"
    & skf21("3","1","3","5","6","5","7","1") = "6"
    & skf21("3","1","3","5","6","6","1","1") = "5"
    & skf21("3","1","3","5","6","6","2","1") = "5"
    & skf21("3","1","3","5","6","6","3","1") = "5"
    & skf21("3","1","3","5","6","6","4","1") = "5"
    & skf21("3","1","3","5","6","6","5","1") = "5"
    & skf21("3","1","3","5","6","6","6","1") = "5"
    & skf21("3","1","3","5","6","6","7","1") = "6"
    & skf21("3","1","3","5","6","7","1","1") = "6"
    & skf21("3","1","3","5","6","7","2","1") = "6"
    & skf21("3","1","3","5","6","7","3","1") = "6"
    & skf21("3","1","3","5","6","7","4","1") = "6"
    & skf21("3","1","3","5","6","7","5","1") = "6"
    & skf21("3","1","3","5","6","7","6","1") = "6"
    & skf21("3","1","3","5","6","7","7","1") = "6"
    & skf21("3","1","3","5","7","1","1","1") = "6"
    & skf21("3","1","3","5","7","1","2","1") = "6"
    & skf21("3","1","3","5","7","1","3","1") = "6"
    & skf21("3","1","3","5","7","1","4","1") = "6"
    & skf21("3","1","3","5","7","1","5","1") = "6"
    & skf21("3","1","3","5","7","1","6","1") = "6"
    & skf21("3","1","3","5","7","1","7","1") = "6"
    & skf21("3","1","3","5","7","2","1","1") = "6"
    & skf21("3","1","3","5","7","2","2","1") = "6"
    & skf21("3","1","3","5","7","2","3","1") = "6"
    & skf21("3","1","3","5","7","2","4","1") = "6"
    & skf21("3","1","3","5","7","2","5","1") = "6"
    & skf21("3","1","3","5","7","2","6","1") = "6"
    & skf21("3","1","3","5","7","2","7","1") = "6"
    & skf21("3","1","3","5","7","3","1","1") = "6"
    & skf21("3","1","3","5","7","3","2","1") = "6"
    & skf21("3","1","3","5","7","3","3","1") = "6"
    & skf21("3","1","3","5","7","3","4","1") = "6"
    & skf21("3","1","3","5","7","3","5","1") = "6"
    & skf21("3","1","3","5","7","3","6","1") = "6"
    & skf21("3","1","3","5","7","3","7","1") = "6"
    & skf21("3","1","3","5","7","4","1","1") = "6"
    & skf21("3","1","3","5","7","4","2","1") = "6"
    & skf21("3","1","3","5","7","4","3","1") = "6"
    & skf21("3","1","3","5","7","4","4","1") = "6"
    & skf21("3","1","3","5","7","4","5","1") = "6"
    & skf21("3","1","3","5","7","4","6","1") = "6"
    & skf21("3","1","3","5","7","4","7","1") = "6"
    & skf21("3","1","3","5","7","5","1","1") = "6"
    & skf21("3","1","3","5","7","5","2","1") = "6"
    & skf21("3","1","3","5","7","5","3","1") = "6"
    & skf21("3","1","3","5","7","5","4","1") = "6"
    & skf21("3","1","3","5","7","5","5","1") = "6"
    & skf21("3","1","3","5","7","5","6","1") = "6"
    & skf21("3","1","3","5","7","5","7","1") = "6"
    & skf21("3","1","3","5","7","6","1","1") = "6"
    & skf21("3","1","3","5","7","6","2","1") = "6"
    & skf21("3","1","3","5","7","6","3","1") = "6"
    & skf21("3","1","3","5","7","6","4","1") = "6"
    & skf21("3","1","3","5","7","6","5","1") = "6"
    & skf21("3","1","3","5","7","6","6","1") = "6"
    & skf21("3","1","3","5","7","6","7","1") = "6"
    & skf21("3","1","3","5","7","7","1","1") = "6"
    & skf21("3","1","3","5","7","7","2","1") = "6"
    & skf21("3","1","3","5","7","7","3","1") = "6"
    & skf21("3","1","3","5","7","7","4","1") = "6"
    & skf21("3","1","3","5","7","7","5","1") = "6"
    & skf21("3","1","3","5","7","7","6","1") = "6"
    & skf21("3","1","3","5","7","7","7","1") = "6"
    & skf21("3","1","3","6","1","1","1","1") = "5"
    & skf21("3","1","3","6","1","1","2","1") = "5"
    & skf21("3","1","3","6","1","1","3","1") = "5"
    & skf21("3","1","3","6","1","1","4","1") = "5"
    & skf21("3","1","3","6","1","1","5","1") = "5"
    & skf21("3","1","3","6","1","1","6","1") = "5"
    & skf21("3","1","3","6","1","1","7","1") = "6"
    & skf21("3","1","3","6","1","2","1","1") = "5"
    & skf21("3","1","3","6","1","2","2","1") = "5"
    & skf21("3","1","3","6","1","2","3","1") = "5"
    & skf21("3","1","3","6","1","2","4","1") = "5"
    & skf21("3","1","3","6","1","2","5","1") = "5"
    & skf21("3","1","3","6","1","2","6","1") = "5"
    & skf21("3","1","3","6","1","2","7","1") = "6"
    & skf21("3","1","3","6","1","3","1","1") = "5"
    & skf21("3","1","3","6","1","3","2","1") = "5"
    & skf21("3","1","3","6","1","3","3","1") = "5"
    & skf21("3","1","3","6","1","3","4","1") = "5"
    & skf21("3","1","3","6","1","3","5","1") = "5"
    & skf21("3","1","3","6","1","3","6","1") = "5"
    & skf21("3","1","3","6","1","3","7","1") = "6"
    & skf21("3","1","3","6","1","4","1","1") = "5"
    & skf21("3","1","3","6","1","4","2","1") = "5"
    & skf21("3","1","3","6","1","4","3","1") = "5"
    & skf21("3","1","3","6","1","4","4","1") = "5"
    & skf21("3","1","3","6","1","4","5","1") = "5"
    & skf21("3","1","3","6","1","4","6","1") = "5"
    & skf21("3","1","3","6","1","4","7","1") = "6"
    & skf21("3","1","3","6","1","5","1","1") = "5"
    & skf21("3","1","3","6","1","5","2","1") = "5"
    & skf21("3","1","3","6","1","5","3","1") = "5"
    & skf21("3","1","3","6","1","5","4","1") = "5"
    & skf21("3","1","3","6","1","5","5","1") = "5"
    & skf21("3","1","3","6","1","5","6","1") = "5"
    & skf21("3","1","3","6","1","5","7","1") = "6"
    & skf21("3","1","3","6","1","6","1","1") = "5"
    & skf21("3","1","3","6","1","6","2","1") = "5"
    & skf21("3","1","3","6","1","6","3","1") = "5"
    & skf21("3","1","3","6","1","6","4","1") = "5"
    & skf21("3","1","3","6","1","6","5","1") = "5"
    & skf21("3","1","3","6","1","6","6","1") = "5"
    & skf21("3","1","3","6","1","6","7","1") = "6"
    & skf21("3","1","3","6","1","7","1","1") = "6"
    & skf21("3","1","3","6","1","7","2","1") = "6"
    & skf21("3","1","3","6","1","7","3","1") = "6"
    & skf21("3","1","3","6","1","7","4","1") = "6"
    & skf21("3","1","3","6","1","7","5","1") = "6"
    & skf21("3","1","3","6","1","7","6","1") = "6"
    & skf21("3","1","3","6","1","7","7","1") = "6"
    & skf21("3","1","3","6","2","1","1","1") = "5"
    & skf21("3","1","3","6","2","1","2","1") = "5"
    & skf21("3","1","3","6","2","1","3","1") = "5"
    & skf21("3","1","3","6","2","1","4","1") = "5"
    & skf21("3","1","3","6","2","1","5","1") = "5"
    & skf21("3","1","3","6","2","1","6","1") = "5"
    & skf21("3","1","3","6","2","1","7","1") = "6"
    & skf21("3","1","3","6","2","2","1","1") = "5"
    & skf21("3","1","3","6","2","2","2","1") = "5"
    & skf21("3","1","3","6","2","2","3","1") = "5"
    & skf21("3","1","3","6","2","2","4","1") = "5"
    & skf21("3","1","3","6","2","2","5","1") = "5"
    & skf21("3","1","3","6","2","2","6","1") = "5"
    & skf21("3","1","3","6","2","2","7","1") = "6"
    & skf21("3","1","3","6","2","3","1","1") = "5"
    & skf21("3","1","3","6","2","3","2","1") = "5"
    & skf21("3","1","3","6","2","3","3","1") = "5"
    & skf21("3","1","3","6","2","3","4","1") = "5"
    & skf21("3","1","3","6","2","3","5","1") = "5"
    & skf21("3","1","3","6","2","3","6","1") = "5"
    & skf21("3","1","3","6","2","3","7","1") = "6"
    & skf21("3","1","3","6","2","4","1","1") = "5"
    & skf21("3","1","3","6","2","4","2","1") = "5"
    & skf21("3","1","3","6","2","4","3","1") = "5"
    & skf21("3","1","3","6","2","4","4","1") = "5"
    & skf21("3","1","3","6","2","4","5","1") = "5"
    & skf21("3","1","3","6","2","4","6","1") = "5"
    & skf21("3","1","3","6","2","4","7","1") = "6"
    & skf21("3","1","3","6","2","5","1","1") = "5"
    & skf21("3","1","3","6","2","5","2","1") = "5"
    & skf21("3","1","3","6","2","5","3","1") = "5"
    & skf21("3","1","3","6","2","5","4","1") = "5"
    & skf21("3","1","3","6","2","5","5","1") = "5"
    & skf21("3","1","3","6","2","5","6","1") = "5"
    & skf21("3","1","3","6","2","5","7","1") = "6"
    & skf21("3","1","3","6","2","6","1","1") = "5"
    & skf21("3","1","3","6","2","6","2","1") = "5"
    & skf21("3","1","3","6","2","6","3","1") = "5"
    & skf21("3","1","3","6","2","6","4","1") = "5"
    & skf21("3","1","3","6","2","6","5","1") = "5"
    & skf21("3","1","3","6","2","6","6","1") = "5"
    & skf21("3","1","3","6","2","6","7","1") = "6"
    & skf21("3","1","3","6","2","7","1","1") = "6"
    & skf21("3","1","3","6","2","7","2","1") = "6"
    & skf21("3","1","3","6","2","7","3","1") = "6"
    & skf21("3","1","3","6","2","7","4","1") = "6"
    & skf21("3","1","3","6","2","7","5","1") = "6"
    & skf21("3","1","3","6","2","7","6","1") = "6"
    & skf21("3","1","3","6","2","7","7","1") = "6"
    & skf21("3","1","3","6","3","1","1","1") = "5"
    & skf21("3","1","3","6","3","1","2","1") = "5"
    & skf21("3","1","3","6","3","1","3","1") = "5"
    & skf21("3","1","3","6","3","1","4","1") = "5"
    & skf21("3","1","3","6","3","1","5","1") = "5"
    & skf21("3","1","3","6","3","1","6","1") = "5"
    & skf21("3","1","3","6","3","1","7","1") = "6"
    & skf21("3","1","3","6","3","2","1","1") = "5"
    & skf21("3","1","3","6","3","2","2","1") = "5"
    & skf21("3","1","3","6","3","2","3","1") = "5"
    & skf21("3","1","3","6","3","2","4","1") = "5"
    & skf21("3","1","3","6","3","2","5","1") = "5"
    & skf21("3","1","3","6","3","2","6","1") = "5"
    & skf21("3","1","3","6","3","2","7","1") = "6"
    & skf21("3","1","3","6","3","3","1","1") = "5"
    & skf21("3","1","3","6","3","3","2","1") = "5"
    & skf21("3","1","3","6","3","3","3","1") = "5"
    & skf21("3","1","3","6","3","3","4","1") = "5"
    & skf21("3","1","3","6","3","3","5","1") = "5"
    & skf21("3","1","3","6","3","3","6","1") = "5"
    & skf21("3","1","3","6","3","3","7","1") = "6"
    & skf21("3","1","3","6","3","4","1","1") = "5"
    & skf21("3","1","3","6","3","4","2","1") = "5"
    & skf21("3","1","3","6","3","4","3","1") = "5"
    & skf21("3","1","3","6","3","4","4","1") = "5"
    & skf21("3","1","3","6","3","4","5","1") = "5"
    & skf21("3","1","3","6","3","4","6","1") = "5"
    & skf21("3","1","3","6","3","4","7","1") = "6"
    & skf21("3","1","3","6","3","5","1","1") = "5"
    & skf21("3","1","3","6","3","5","2","1") = "5"
    & skf21("3","1","3","6","3","5","3","1") = "5"
    & skf21("3","1","3","6","3","5","4","1") = "5"
    & skf21("3","1","3","6","3","5","5","1") = "5"
    & skf21("3","1","3","6","3","5","6","1") = "5"
    & skf21("3","1","3","6","3","5","7","1") = "6"
    & skf21("3","1","3","6","3","6","1","1") = "5"
    & skf21("3","1","3","6","3","6","2","1") = "5"
    & skf21("3","1","3","6","3","6","3","1") = "5"
    & skf21("3","1","3","6","3","6","4","1") = "5"
    & skf21("3","1","3","6","3","6","5","1") = "5"
    & skf21("3","1","3","6","3","6","6","1") = "5"
    & skf21("3","1","3","6","3","6","7","1") = "6"
    & skf21("3","1","3","6","3","7","1","1") = "6"
    & skf21("3","1","3","6","3","7","2","1") = "6"
    & skf21("3","1","3","6","3","7","3","1") = "6"
    & skf21("3","1","3","6","3","7","4","1") = "6"
    & skf21("3","1","3","6","3","7","5","1") = "6"
    & skf21("3","1","3","6","3","7","6","1") = "6"
    & skf21("3","1","3","6","3","7","7","1") = "6"
    & skf21("3","1","3","6","4","1","1","1") = "5"
    & skf21("3","1","3","6","4","1","2","1") = "5"
    & skf21("3","1","3","6","4","1","3","1") = "5"
    & skf21("3","1","3","6","4","1","4","1") = "5"
    & skf21("3","1","3","6","4","1","5","1") = "5"
    & skf21("3","1","3","6","4","1","6","1") = "5"
    & skf21("3","1","3","6","4","1","7","1") = "6"
    & skf21("3","1","3","6","4","2","1","1") = "5"
    & skf21("3","1","3","6","4","2","2","1") = "5"
    & skf21("3","1","3","6","4","2","3","1") = "5"
    & skf21("3","1","3","6","4","2","4","1") = "5"
    & skf21("3","1","3","6","4","2","5","1") = "5"
    & skf21("3","1","3","6","4","2","6","1") = "5"
    & skf21("3","1","3","6","4","2","7","1") = "6"
    & skf21("3","1","3","6","4","3","1","1") = "5"
    & skf21("3","1","3","6","4","3","2","1") = "5"
    & skf21("3","1","3","6","4","3","3","1") = "5"
    & skf21("3","1","3","6","4","3","4","1") = "5"
    & skf21("3","1","3","6","4","3","5","1") = "5"
    & skf21("3","1","3","6","4","3","6","1") = "5"
    & skf21("3","1","3","6","4","3","7","1") = "6"
    & skf21("3","1","3","6","4","4","1","1") = "5"
    & skf21("3","1","3","6","4","4","2","1") = "5"
    & skf21("3","1","3","6","4","4","3","1") = "5"
    & skf21("3","1","3","6","4","4","4","1") = "5"
    & skf21("3","1","3","6","4","4","5","1") = "5"
    & skf21("3","1","3","6","4","4","6","1") = "5"
    & skf21("3","1","3","6","4","4","7","1") = "6"
    & skf21("3","1","3","6","4","5","1","1") = "5"
    & skf21("3","1","3","6","4","5","2","1") = "5"
    & skf21("3","1","3","6","4","5","3","1") = "5"
    & skf21("3","1","3","6","4","5","4","1") = "5"
    & skf21("3","1","3","6","4","5","5","1") = "5"
    & skf21("3","1","3","6","4","5","6","1") = "5"
    & skf21("3","1","3","6","4","5","7","1") = "6"
    & skf21("3","1","3","6","4","6","1","1") = "5"
    & skf21("3","1","3","6","4","6","2","1") = "5"
    & skf21("3","1","3","6","4","6","3","1") = "5"
    & skf21("3","1","3","6","4","6","4","1") = "5"
    & skf21("3","1","3","6","4","6","5","1") = "5"
    & skf21("3","1","3","6","4","6","6","1") = "5"
    & skf21("3","1","3","6","4","6","7","1") = "6"
    & skf21("3","1","3","6","4","7","1","1") = "6"
    & skf21("3","1","3","6","4","7","2","1") = "6"
    & skf21("3","1","3","6","4","7","3","1") = "6"
    & skf21("3","1","3","6","4","7","4","1") = "6"
    & skf21("3","1","3","6","4","7","5","1") = "6"
    & skf21("3","1","3","6","4","7","6","1") = "6"
    & skf21("3","1","3","6","4","7","7","1") = "6"
    & skf21("3","1","3","6","5","1","1","1") = "5"
    & skf21("3","1","3","6","5","1","2","1") = "5"
    & skf21("3","1","3","6","5","1","3","1") = "5"
    & skf21("3","1","3","6","5","1","4","1") = "5"
    & skf21("3","1","3","6","5","1","5","1") = "5"
    & skf21("3","1","3","6","5","1","6","1") = "5"
    & skf21("3","1","3","6","5","1","7","1") = "6"
    & skf21("3","1","3","6","5","2","1","1") = "5"
    & skf21("3","1","3","6","5","2","2","1") = "5"
    & skf21("3","1","3","6","5","2","3","1") = "5"
    & skf21("3","1","3","6","5","2","4","1") = "5"
    & skf21("3","1","3","6","5","2","5","1") = "5"
    & skf21("3","1","3","6","5","2","6","1") = "5"
    & skf21("3","1","3","6","5","2","7","1") = "6"
    & skf21("3","1","3","6","5","3","1","1") = "5"
    & skf21("3","1","3","6","5","3","2","1") = "5"
    & skf21("3","1","3","6","5","3","3","1") = "5"
    & skf21("3","1","3","6","5","3","4","1") = "5"
    & skf21("3","1","3","6","5","3","5","1") = "5"
    & skf21("3","1","3","6","5","3","6","1") = "5"
    & skf21("3","1","3","6","5","3","7","1") = "6"
    & skf21("3","1","3","6","5","4","1","1") = "5"
    & skf21("3","1","3","6","5","4","2","1") = "5"
    & skf21("3","1","3","6","5","4","3","1") = "5"
    & skf21("3","1","3","6","5","4","4","1") = "5"
    & skf21("3","1","3","6","5","4","5","1") = "5"
    & skf21("3","1","3","6","5","4","6","1") = "5"
    & skf21("3","1","3","6","5","4","7","1") = "6"
    & skf21("3","1","3","6","5","5","1","1") = "5"
    & skf21("3","1","3","6","5","5","2","1") = "5"
    & skf21("3","1","3","6","5","5","3","1") = "5"
    & skf21("3","1","3","6","5","5","4","1") = "5"
    & skf21("3","1","3","6","5","5","5","1") = "5"
    & skf21("3","1","3","6","5","5","6","1") = "5"
    & skf21("3","1","3","6","5","5","7","1") = "6"
    & skf21("3","1","3","6","5","6","1","1") = "5"
    & skf21("3","1","3","6","5","6","2","1") = "5"
    & skf21("3","1","3","6","5","6","3","1") = "5"
    & skf21("3","1","3","6","5","6","4","1") = "5"
    & skf21("3","1","3","6","5","6","5","1") = "5"
    & skf21("3","1","3","6","5","6","6","1") = "5"
    & skf21("3","1","3","6","5","6","7","1") = "6"
    & skf21("3","1","3","6","5","7","1","1") = "6"
    & skf21("3","1","3","6","5","7","2","1") = "6"
    & skf21("3","1","3","6","5","7","3","1") = "6"
    & skf21("3","1","3","6","5","7","4","1") = "6"
    & skf21("3","1","3","6","5","7","5","1") = "6"
    & skf21("3","1","3","6","5","7","6","1") = "6"
    & skf21("3","1","3","6","5","7","7","1") = "6"
    & skf21("3","1","3","6","6","1","1","1") = "5"
    & skf21("3","1","3","6","6","1","2","1") = "5"
    & skf21("3","1","3","6","6","1","3","1") = "5"
    & skf21("3","1","3","6","6","1","4","1") = "5"
    & skf21("3","1","3","6","6","1","5","1") = "5"
    & skf21("3","1","3","6","6","1","6","1") = "5"
    & skf21("3","1","3","6","6","1","7","1") = "6"
    & skf21("3","1","3","6","6","2","1","1") = "5"
    & skf21("3","1","3","6","6","2","2","1") = "5"
    & skf21("3","1","3","6","6","2","3","1") = "5"
    & skf21("3","1","3","6","6","2","4","1") = "5"
    & skf21("3","1","3","6","6","2","5","1") = "5"
    & skf21("3","1","3","6","6","2","6","1") = "5"
    & skf21("3","1","3","6","6","2","7","1") = "6"
    & skf21("3","1","3","6","6","3","1","1") = "5"
    & skf21("3","1","3","6","6","3","2","1") = "5"
    & skf21("3","1","3","6","6","3","3","1") = "5"
    & skf21("3","1","3","6","6","3","4","1") = "5"
    & skf21("3","1","3","6","6","3","5","1") = "5"
    & skf21("3","1","3","6","6","3","6","1") = "5"
    & skf21("3","1","3","6","6","3","7","1") = "6"
    & skf21("3","1","3","6","6","4","1","1") = "5"
    & skf21("3","1","3","6","6","4","2","1") = "5"
    & skf21("3","1","3","6","6","4","3","1") = "5"
    & skf21("3","1","3","6","6","4","4","1") = "5"
    & skf21("3","1","3","6","6","4","5","1") = "5"
    & skf21("3","1","3","6","6","4","6","1") = "5"
    & skf21("3","1","3","6","6","4","7","1") = "6"
    & skf21("3","1","3","6","6","5","1","1") = "5"
    & skf21("3","1","3","6","6","5","2","1") = "5"
    & skf21("3","1","3","6","6","5","3","1") = "5"
    & skf21("3","1","3","6","6","5","4","1") = "5"
    & skf21("3","1","3","6","6","5","5","1") = "5"
    & skf21("3","1","3","6","6","5","6","1") = "5"
    & skf21("3","1","3","6","6","5","7","1") = "6"
    & skf21("3","1","3","6","6","6","1","1") = "5"
    & skf21("3","1","3","6","6","6","2","1") = "5"
    & skf21("3","1","3","6","6","6","3","1") = "5"
    & skf21("3","1","3","6","6","6","4","1") = "5"
    & skf21("3","1","3","6","6","6","5","1") = "5"
    & skf21("3","1","3","6","6","6","6","1") = "5"
    & skf21("3","1","3","6","6","6","7","1") = "6"
    & skf21("3","1","3","6","6","7","1","1") = "6"
    & skf21("3","1","3","6","6","7","2","1") = "6"
    & skf21("3","1","3","6","6","7","3","1") = "6"
    & skf21("3","1","3","6","6","7","4","1") = "6"
    & skf21("3","1","3","6","6","7","5","1") = "6"
    & skf21("3","1","3","6","6","7","6","1") = "6"
    & skf21("3","1","3","6","6","7","7","1") = "6"
    & skf21("3","1","3","6","7","1","1","1") = "6"
    & skf21("3","1","3","6","7","1","2","1") = "6"
    & skf21("3","1","3","6","7","1","3","1") = "6"
    & skf21("3","1","3","6","7","1","4","1") = "6"
    & skf21("3","1","3","6","7","1","5","1") = "6"
    & skf21("3","1","3","6","7","1","6","1") = "6"
    & skf21("3","1","3","6","7","1","7","1") = "6"
    & skf21("3","1","3","6","7","2","1","1") = "6"
    & skf21("3","1","3","6","7","2","2","1") = "6"
    & skf21("3","1","3","6","7","2","3","1") = "6"
    & skf21("3","1","3","6","7","2","4","1") = "6"
    & skf21("3","1","3","6","7","2","5","1") = "6"
    & skf21("3","1","3","6","7","2","6","1") = "6"
    & skf21("3","1","3","6","7","2","7","1") = "6"
    & skf21("3","1","3","6","7","3","1","1") = "6"
    & skf21("3","1","3","6","7","3","2","1") = "6"
    & skf21("3","1","3","6","7","3","3","1") = "6"
    & skf21("3","1","3","6","7","3","4","1") = "6"
    & skf21("3","1","3","6","7","3","5","1") = "6"
    & skf21("3","1","3","6","7","3","6","1") = "6"
    & skf21("3","1","3","6","7","3","7","1") = "6"
    & skf21("3","1","3","6","7","4","1","1") = "6"
    & skf21("3","1","3","6","7","4","2","1") = "6"
    & skf21("3","1","3","6","7","4","3","1") = "6"
    & skf21("3","1","3","6","7","4","4","1") = "6"
    & skf21("3","1","3","6","7","4","5","1") = "6"
    & skf21("3","1","3","6","7","4","6","1") = "6"
    & skf21("3","1","3","6","7","4","7","1") = "6"
    & skf21("3","1","3","6","7","5","1","1") = "6"
    & skf21("3","1","3","6","7","5","2","1") = "6"
    & skf21("3","1","3","6","7","5","3","1") = "6"
    & skf21("3","1","3","6","7","5","4","1") = "6"
    & skf21("3","1","3","6","7","5","5","1") = "6"
    & skf21("3","1","3","6","7","5","6","1") = "6"
    & skf21("3","1","3","6","7","5","7","1") = "6"
    & skf21("3","1","3","6","7","6","1","1") = "6"
    & skf21("3","1","3","6","7","6","2","1") = "6"
    & skf21("3","1","3","6","7","6","3","1") = "6"
    & skf21("3","1","3","6","7","6","4","1") = "6"
    & skf21("3","1","3","6","7","6","5","1") = "6"
    & skf21("3","1","3","6","7","6","6","1") = "6"
    & skf21("3","1","3","6","7","6","7","1") = "6"
    & skf21("3","1","3","6","7","7","1","1") = "6"
    & skf21("3","1","3","6","7","7","2","1") = "6"
    & skf21("3","1","3","6","7","7","3","1") = "6"
    & skf21("3","1","3","6","7","7","4","1") = "6"
    & skf21("3","1","3","6","7","7","5","1") = "6"
    & skf21("3","1","3","6","7","7","6","1") = "6"
    & skf21("3","1","3","6","7","7","7","1") = "6"
    & skf21("3","1","3","7","1","1","1","1") = "6"
    & skf21("3","1","3","7","1","1","2","1") = "6"
    & skf21("3","1","3","7","1","1","3","1") = "6"
    & skf21("3","1","3","7","1","1","4","1") = "6"
    & skf21("3","1","3","7","1","1","5","1") = "6"
    & skf21("3","1","3","7","1","1","6","1") = "6"
    & skf21("3","1","3","7","1","1","7","1") = "6"
    & skf21("3","1","3","7","1","2","1","1") = "6"
    & skf21("3","1","3","7","1","2","2","1") = "6"
    & skf21("3","1","3","7","1","2","3","1") = "6"
    & skf21("3","1","3","7","1","2","4","1") = "6"
    & skf21("3","1","3","7","1","2","5","1") = "6"
    & skf21("3","1","3","7","1","2","6","1") = "6"
    & skf21("3","1","3","7","1","2","7","1") = "6"
    & skf21("3","1","3","7","1","3","1","1") = "6"
    & skf21("3","1","3","7","1","3","2","1") = "6"
    & skf21("3","1","3","7","1","3","3","1") = "6"
    & skf21("3","1","3","7","1","3","4","1") = "6"
    & skf21("3","1","3","7","1","3","5","1") = "6"
    & skf21("3","1","3","7","1","3","6","1") = "6"
    & skf21("3","1","3","7","1","3","7","1") = "6"
    & skf21("3","1","3","7","1","4","1","1") = "6"
    & skf21("3","1","3","7","1","4","2","1") = "6"
    & skf21("3","1","3","7","1","4","3","1") = "6"
    & skf21("3","1","3","7","1","4","4","1") = "6"
    & skf21("3","1","3","7","1","4","5","1") = "6"
    & skf21("3","1","3","7","1","4","6","1") = "6"
    & skf21("3","1","3","7","1","4","7","1") = "6"
    & skf21("3","1","3","7","1","5","1","1") = "6"
    & skf21("3","1","3","7","1","5","2","1") = "6"
    & skf21("3","1","3","7","1","5","3","1") = "6"
    & skf21("3","1","3","7","1","5","4","1") = "6"
    & skf21("3","1","3","7","1","5","5","1") = "6"
    & skf21("3","1","3","7","1","5","6","1") = "6"
    & skf21("3","1","3","7","1","5","7","1") = "6"
    & skf21("3","1","3","7","1","6","1","1") = "6"
    & skf21("3","1","3","7","1","6","2","1") = "6"
    & skf21("3","1","3","7","1","6","3","1") = "6"
    & skf21("3","1","3","7","1","6","4","1") = "6"
    & skf21("3","1","3","7","1","6","5","1") = "6"
    & skf21("3","1","3","7","1","6","6","1") = "6"
    & skf21("3","1","3","7","1","6","7","1") = "6"
    & skf21("3","1","3","7","1","7","1","1") = "6"
    & skf21("3","1","3","7","1","7","2","1") = "6"
    & skf21("3","1","3","7","1","7","3","1") = "6"
    & skf21("3","1","3","7","1","7","4","1") = "6"
    & skf21("3","1","3","7","1","7","5","1") = "6"
    & skf21("3","1","3","7","1","7","6","1") = "6"
    & skf21("3","1","3","7","1","7","7","1") = "6"
    & skf21("3","1","3","7","2","1","1","1") = "6"
    & skf21("3","1","3","7","2","1","2","1") = "6"
    & skf21("3","1","3","7","2","1","3","1") = "6"
    & skf21("3","1","3","7","2","1","4","1") = "6"
    & skf21("3","1","3","7","2","1","5","1") = "6"
    & skf21("3","1","3","7","2","1","6","1") = "6"
    & skf21("3","1","3","7","2","1","7","1") = "6"
    & skf21("3","1","3","7","2","2","1","1") = "6"
    & skf21("3","1","3","7","2","2","2","1") = "6"
    & skf21("3","1","3","7","2","2","3","1") = "6"
    & skf21("3","1","3","7","2","2","4","1") = "6"
    & skf21("3","1","3","7","2","2","5","1") = "6"
    & skf21("3","1","3","7","2","2","6","1") = "6"
    & skf21("3","1","3","7","2","2","7","1") = "6"
    & skf21("3","1","3","7","2","3","1","1") = "6"
    & skf21("3","1","3","7","2","3","2","1") = "6"
    & skf21("3","1","3","7","2","3","3","1") = "6"
    & skf21("3","1","3","7","2","3","4","1") = "6"
    & skf21("3","1","3","7","2","3","5","1") = "6"
    & skf21("3","1","3","7","2","3","6","1") = "6"
    & skf21("3","1","3","7","2","3","7","1") = "6"
    & skf21("3","1","3","7","2","4","1","1") = "6"
    & skf21("3","1","3","7","2","4","2","1") = "6"
    & skf21("3","1","3","7","2","4","3","1") = "6"
    & skf21("3","1","3","7","2","4","4","1") = "6"
    & skf21("3","1","3","7","2","4","5","1") = "6"
    & skf21("3","1","3","7","2","4","6","1") = "6"
    & skf21("3","1","3","7","2","4","7","1") = "6"
    & skf21("3","1","3","7","2","5","1","1") = "6"
    & skf21("3","1","3","7","2","5","2","1") = "6"
    & skf21("3","1","3","7","2","5","3","1") = "6"
    & skf21("3","1","3","7","2","5","4","1") = "6"
    & skf21("3","1","3","7","2","5","5","1") = "6"
    & skf21("3","1","3","7","2","5","6","1") = "6"
    & skf21("3","1","3","7","2","5","7","1") = "6"
    & skf21("3","1","3","7","2","6","1","1") = "6"
    & skf21("3","1","3","7","2","6","2","1") = "6"
    & skf21("3","1","3","7","2","6","3","1") = "6"
    & skf21("3","1","3","7","2","6","4","1") = "6"
    & skf21("3","1","3","7","2","6","5","1") = "6"
    & skf21("3","1","3","7","2","6","6","1") = "6"
    & skf21("3","1","3","7","2","6","7","1") = "6"
    & skf21("3","1","3","7","2","7","1","1") = "6"
    & skf21("3","1","3","7","2","7","2","1") = "6"
    & skf21("3","1","3","7","2","7","3","1") = "6"
    & skf21("3","1","3","7","2","7","4","1") = "6"
    & skf21("3","1","3","7","2","7","5","1") = "6"
    & skf21("3","1","3","7","2","7","6","1") = "6"
    & skf21("3","1","3","7","2","7","7","1") = "6"
    & skf21("3","1","3","7","3","1","1","1") = "6"
    & skf21("3","1","3","7","3","1","2","1") = "6"
    & skf21("3","1","3","7","3","1","3","1") = "6"
    & skf21("3","1","3","7","3","1","4","1") = "6"
    & skf21("3","1","3","7","3","1","5","1") = "6"
    & skf21("3","1","3","7","3","1","6","1") = "6"
    & skf21("3","1","3","7","3","1","7","1") = "6"
    & skf21("3","1","3","7","3","2","1","1") = "6"
    & skf21("3","1","3","7","3","2","2","1") = "6"
    & skf21("3","1","3","7","3","2","3","1") = "6"
    & skf21("3","1","3","7","3","2","4","1") = "6"
    & skf21("3","1","3","7","3","2","5","1") = "6"
    & skf21("3","1","3","7","3","2","6","1") = "6"
    & skf21("3","1","3","7","3","2","7","1") = "6"
    & skf21("3","1","3","7","3","3","1","1") = "6"
    & skf21("3","1","3","7","3","3","2","1") = "6"
    & skf21("3","1","3","7","3","3","3","1") = "6"
    & skf21("3","1","3","7","3","3","4","1") = "6"
    & skf21("3","1","3","7","3","3","5","1") = "6"
    & skf21("3","1","3","7","3","3","6","1") = "6"
    & skf21("3","1","3","7","3","3","7","1") = "6"
    & skf21("3","1","3","7","3","4","1","1") = "6"
    & skf21("3","1","3","7","3","4","2","1") = "6"
    & skf21("3","1","3","7","3","4","3","1") = "6"
    & skf21("3","1","3","7","3","4","4","1") = "6"
    & skf21("3","1","3","7","3","4","5","1") = "6"
    & skf21("3","1","3","7","3","4","6","1") = "6"
    & skf21("3","1","3","7","3","4","7","1") = "6"
    & skf21("3","1","3","7","3","5","1","1") = "6"
    & skf21("3","1","3","7","3","5","2","1") = "6"
    & skf21("3","1","3","7","3","5","3","1") = "6"
    & skf21("3","1","3","7","3","5","4","1") = "6"
    & skf21("3","1","3","7","3","5","5","1") = "6"
    & skf21("3","1","3","7","3","5","6","1") = "6"
    & skf21("3","1","3","7","3","5","7","1") = "6"
    & skf21("3","1","3","7","3","6","1","1") = "6"
    & skf21("3","1","3","7","3","6","2","1") = "6"
    & skf21("3","1","3","7","3","6","3","1") = "6"
    & skf21("3","1","3","7","3","6","4","1") = "6"
    & skf21("3","1","3","7","3","6","5","1") = "6"
    & skf21("3","1","3","7","3","6","6","1") = "6"
    & skf21("3","1","3","7","3","6","7","1") = "6"
    & skf21("3","1","3","7","3","7","1","1") = "6"
    & skf21("3","1","3","7","3","7","2","1") = "6"
    & skf21("3","1","3","7","3","7","3","1") = "6"
    & skf21("3","1","3","7","3","7","4","1") = "6"
    & skf21("3","1","3","7","3","7","5","1") = "6"
    & skf21("3","1","3","7","3","7","6","1") = "6"
    & skf21("3","1","3","7","3","7","7","1") = "6"
    & skf21("3","1","3","7","4","1","1","1") = "6"
    & skf21("3","1","3","7","4","1","2","1") = "6"
    & skf21("3","1","3","7","4","1","3","1") = "6"
    & skf21("3","1","3","7","4","1","4","1") = "6"
    & skf21("3","1","3","7","4","1","5","1") = "6"
    & skf21("3","1","3","7","4","1","6","1") = "6"
    & skf21("3","1","3","7","4","1","7","1") = "6"
    & skf21("3","1","3","7","4","2","1","1") = "6"
    & skf21("3","1","3","7","4","2","2","1") = "6"
    & skf21("3","1","3","7","4","2","3","1") = "6"
    & skf21("3","1","3","7","4","2","4","1") = "6"
    & skf21("3","1","3","7","4","2","5","1") = "6"
    & skf21("3","1","3","7","4","2","6","1") = "6"
    & skf21("3","1","3","7","4","2","7","1") = "6"
    & skf21("3","1","3","7","4","3","1","1") = "6"
    & skf21("3","1","3","7","4","3","2","1") = "6"
    & skf21("3","1","3","7","4","3","3","1") = "6"
    & skf21("3","1","3","7","4","3","4","1") = "6"
    & skf21("3","1","3","7","4","3","5","1") = "6"
    & skf21("3","1","3","7","4","3","6","1") = "6"
    & skf21("3","1","3","7","4","3","7","1") = "6"
    & skf21("3","1","3","7","4","4","1","1") = "6"
    & skf21("3","1","3","7","4","4","2","1") = "6"
    & skf21("3","1","3","7","4","4","3","1") = "6"
    & skf21("3","1","3","7","4","4","4","1") = "6"
    & skf21("3","1","3","7","4","4","5","1") = "6"
    & skf21("3","1","3","7","4","4","6","1") = "6"
    & skf21("3","1","3","7","4","4","7","1") = "6"
    & skf21("3","1","3","7","4","5","1","1") = "6"
    & skf21("3","1","3","7","4","5","2","1") = "6"
    & skf21("3","1","3","7","4","5","3","1") = "6"
    & skf21("3","1","3","7","4","5","4","1") = "6"
    & skf21("3","1","3","7","4","5","5","1") = "6"
    & skf21("3","1","3","7","4","5","6","1") = "6"
    & skf21("3","1","3","7","4","5","7","1") = "6"
    & skf21("3","1","3","7","4","6","1","1") = "6"
    & skf21("3","1","3","7","4","6","2","1") = "6"
    & skf21("3","1","3","7","4","6","3","1") = "6"
    & skf21("3","1","3","7","4","6","4","1") = "6"
    & skf21("3","1","3","7","4","6","5","1") = "6"
    & skf21("3","1","3","7","4","6","6","1") = "6"
    & skf21("3","1","3","7","4","6","7","1") = "6"
    & skf21("3","1","3","7","4","7","1","1") = "6"
    & skf21("3","1","3","7","4","7","2","1") = "6"
    & skf21("3","1","3","7","4","7","3","1") = "6"
    & skf21("3","1","3","7","4","7","4","1") = "6"
    & skf21("3","1","3","7","4","7","5","1") = "6"
    & skf21("3","1","3","7","4","7","6","1") = "6"
    & skf21("3","1","3","7","4","7","7","1") = "6"
    & skf21("3","1","3","7","5","1","1","1") = "6"
    & skf21("3","1","3","7","5","1","2","1") = "6"
    & skf21("3","1","3","7","5","1","3","1") = "6"
    & skf21("3","1","3","7","5","1","4","1") = "6"
    & skf21("3","1","3","7","5","1","5","1") = "6"
    & skf21("3","1","3","7","5","1","6","1") = "6"
    & skf21("3","1","3","7","5","1","7","1") = "6"
    & skf21("3","1","3","7","5","2","1","1") = "6"
    & skf21("3","1","3","7","5","2","2","1") = "6"
    & skf21("3","1","3","7","5","2","3","1") = "6"
    & skf21("3","1","3","7","5","2","4","1") = "6"
    & skf21("3","1","3","7","5","2","5","1") = "6"
    & skf21("3","1","3","7","5","2","6","1") = "6"
    & skf21("3","1","3","7","5","2","7","1") = "6"
    & skf21("3","1","3","7","5","3","1","1") = "6"
    & skf21("3","1","3","7","5","3","2","1") = "6"
    & skf21("3","1","3","7","5","3","3","1") = "6"
    & skf21("3","1","3","7","5","3","4","1") = "6"
    & skf21("3","1","3","7","5","3","5","1") = "6"
    & skf21("3","1","3","7","5","3","6","1") = "6"
    & skf21("3","1","3","7","5","3","7","1") = "6"
    & skf21("3","1","3","7","5","4","1","1") = "6"
    & skf21("3","1","3","7","5","4","2","1") = "6"
    & skf21("3","1","3","7","5","4","3","1") = "6"
    & skf21("3","1","3","7","5","4","4","1") = "6"
    & skf21("3","1","3","7","5","4","5","1") = "6"
    & skf21("3","1","3","7","5","4","6","1") = "6"
    & skf21("3","1","3","7","5","4","7","1") = "6"
    & skf21("3","1","3","7","5","5","1","1") = "6"
    & skf21("3","1","3","7","5","5","2","1") = "6"
    & skf21("3","1","3","7","5","5","3","1") = "6"
    & skf21("3","1","3","7","5","5","4","1") = "6"
    & skf21("3","1","3","7","5","5","5","1") = "6"
    & skf21("3","1","3","7","5","5","6","1") = "6"
    & skf21("3","1","3","7","5","5","7","1") = "6"
    & skf21("3","1","3","7","5","6","1","1") = "6"
    & skf21("3","1","3","7","5","6","2","1") = "6"
    & skf21("3","1","3","7","5","6","3","1") = "6"
    & skf21("3","1","3","7","5","6","4","1") = "6"
    & skf21("3","1","3","7","5","6","5","1") = "6"
    & skf21("3","1","3","7","5","6","6","1") = "6"
    & skf21("3","1","3","7","5","6","7","1") = "6"
    & skf21("3","1","3","7","5","7","1","1") = "6"
    & skf21("3","1","3","7","5","7","2","1") = "6"
    & skf21("3","1","3","7","5","7","3","1") = "6"
    & skf21("3","1","3","7","5","7","4","1") = "6"
    & skf21("3","1","3","7","5","7","5","1") = "6"
    & skf21("3","1","3","7","5","7","6","1") = "6"
    & skf21("3","1","3","7","5","7","7","1") = "6"
    & skf21("3","1","3","7","6","1","1","1") = "6"
    & skf21("3","1","3","7","6","1","2","1") = "6"
    & skf21("3","1","3","7","6","1","3","1") = "6"
    & skf21("3","1","3","7","6","1","4","1") = "6"
    & skf21("3","1","3","7","6","1","5","1") = "6"
    & skf21("3","1","3","7","6","1","6","1") = "6"
    & skf21("3","1","3","7","6","1","7","1") = "6"
    & skf21("3","1","3","7","6","2","1","1") = "6"
    & skf21("3","1","3","7","6","2","2","1") = "6"
    & skf21("3","1","3","7","6","2","3","1") = "6"
    & skf21("3","1","3","7","6","2","4","1") = "6"
    & skf21("3","1","3","7","6","2","5","1") = "6"
    & skf21("3","1","3","7","6","2","6","1") = "6"
    & skf21("3","1","3","7","6","2","7","1") = "6"
    & skf21("3","1","3","7","6","3","1","1") = "6"
    & skf21("3","1","3","7","6","3","2","1") = "6"
    & skf21("3","1","3","7","6","3","3","1") = "6"
    & skf21("3","1","3","7","6","3","4","1") = "6"
    & skf21("3","1","3","7","6","3","5","1") = "6"
    & skf21("3","1","3","7","6","3","6","1") = "6"
    & skf21("3","1","3","7","6","3","7","1") = "6"
    & skf21("3","1","3","7","6","4","1","1") = "6"
    & skf21("3","1","3","7","6","4","2","1") = "6"
    & skf21("3","1","3","7","6","4","3","1") = "6"
    & skf21("3","1","3","7","6","4","4","1") = "6"
    & skf21("3","1","3","7","6","4","5","1") = "6"
    & skf21("3","1","3","7","6","4","6","1") = "6"
    & skf21("3","1","3","7","6","4","7","1") = "6"
    & skf21("3","1","3","7","6","5","1","1") = "6"
    & skf21("3","1","3","7","6","5","2","1") = "6"
    & skf21("3","1","3","7","6","5","3","1") = "6"
    & skf21("3","1","3","7","6","5","4","1") = "6"
    & skf21("3","1","3","7","6","5","5","1") = "6"
    & skf21("3","1","3","7","6","5","6","1") = "6"
    & skf21("3","1","3","7","6","5","7","1") = "6"
    & skf21("3","1","3","7","6","6","1","1") = "6"
    & skf21("3","1","3","7","6","6","2","1") = "6"
    & skf21("3","1","3","7","6","6","3","1") = "6"
    & skf21("3","1","3","7","6","6","4","1") = "6"
    & skf21("3","1","3","7","6","6","5","1") = "6"
    & skf21("3","1","3","7","6","6","6","1") = "6"
    & skf21("3","1","3","7","6","6","7","1") = "6"
    & skf21("3","1","3","7","6","7","1","1") = "6"
    & skf21("3","1","3","7","6","7","2","1") = "6"
    & skf21("3","1","3","7","6","7","3","1") = "6"
    & skf21("3","1","3","7","6","7","4","1") = "6"
    & skf21("3","1","3","7","6","7","5","1") = "6"
    & skf21("3","1","3","7","6","7","6","1") = "6"
    & skf21("3","1","3","7","6","7","7","1") = "6"
    & skf21("3","1","3","7","7","1","1","1") = "6"
    & skf21("3","1","3","7","7","1","2","1") = "6"
    & skf21("3","1","3","7","7","1","3","1") = "6"
    & skf21("3","1","3","7","7","1","4","1") = "6"
    & skf21("3","1","3","7","7","1","5","1") = "6"
    & skf21("3","1","3","7","7","1","6","1") = "6"
    & skf21("3","1","3","7","7","1","7","1") = "6"
    & skf21("3","1","3","7","7","2","1","1") = "6"
    & skf21("3","1","3","7","7","2","2","1") = "6"
    & skf21("3","1","3","7","7","2","3","1") = "6"
    & skf21("3","1","3","7","7","2","4","1") = "6"
    & skf21("3","1","3","7","7","2","5","1") = "6"
    & skf21("3","1","3","7","7","2","6","1") = "6"
    & skf21("3","1","3","7","7","2","7","1") = "6"
    & skf21("3","1","3","7","7","3","1","1") = "6"
    & skf21("3","1","3","7","7","3","2","1") = "6"
    & skf21("3","1","3","7","7","3","3","1") = "6"
    & skf21("3","1","3","7","7","3","4","1") = "6"
    & skf21("3","1","3","7","7","3","5","1") = "6"
    & skf21("3","1","3","7","7","3","6","1") = "6"
    & skf21("3","1","3","7","7","3","7","1") = "6"
    & skf21("3","1","3","7","7","4","1","1") = "6"
    & skf21("3","1","3","7","7","4","2","1") = "6"
    & skf21("3","1","3","7","7","4","3","1") = "6"
    & skf21("3","1","3","7","7","4","4","1") = "6"
    & skf21("3","1","3","7","7","4","5","1") = "6"
    & skf21("3","1","3","7","7","4","6","1") = "6"
    & skf21("3","1","3","7","7","4","7","1") = "6"
    & skf21("3","1","3","7","7","5","1","1") = "6"
    & skf21("3","1","3","7","7","5","2","1") = "6"
    & skf21("3","1","3","7","7","5","3","1") = "6"
    & skf21("3","1","3","7","7","5","4","1") = "6"
    & skf21("3","1","3","7","7","5","5","1") = "6"
    & skf21("3","1","3","7","7","5","6","1") = "6"
    & skf21("3","1","3","7","7","5","7","1") = "6"
    & skf21("3","1","3","7","7","6","1","1") = "6"
    & skf21("3","1","3","7","7","6","2","1") = "6"
    & skf21("3","1","3","7","7","6","3","1") = "6"
    & skf21("3","1","3","7","7","6","4","1") = "6"
    & skf21("3","1","3","7","7","6","5","1") = "6"
    & skf21("3","1","3","7","7","6","6","1") = "6"
    & skf21("3","1","3","7","7","6","7","1") = "6"
    & skf21("3","1","3","7","7","7","1","1") = "6"
    & skf21("3","1","3","7","7","7","2","1") = "6"
    & skf21("3","1","3","7","7","7","3","1") = "6"
    & skf21("3","1","3","7","7","7","4","1") = "6"
    & skf21("3","1","3","7","7","7","5","1") = "6"
    & skf21("3","1","3","7","7","7","6","1") = "6"
    & skf21("3","1","3","7","7","7","7","1") = "6"
    & skf21("3","1","4","1","1","1","1","1") = "3"
    & skf21("3","1","4","1","1","1","2","1") = "3"
    & skf21("3","1","4","1","1","1","3","1") = "3"
    & skf21("3","1","4","1","1","1","4","1") = "3"
    & skf21("3","1","4","1","1","1","5","1") = "4"
    & skf21("3","1","4","1","1","1","6","1") = "5"
    & skf21("3","1","4","1","1","1","7","1") = "6"
    & skf21("3","1","4","1","1","2","1","1") = "3"
    & skf21("3","1","4","1","1","2","2","1") = "3"
    & skf21("3","1","4","1","1","2","3","1") = "3"
    & skf21("3","1","4","1","1","2","4","1") = "3"
    & skf21("3","1","4","1","1","2","5","1") = "4"
    & skf21("3","1","4","1","1","2","6","1") = "5"
    & skf21("3","1","4","1","1","2","7","1") = "6"
    & skf21("3","1","4","1","1","3","1","1") = "3"
    & skf21("3","1","4","1","1","3","2","1") = "3"
    & skf21("3","1","4","1","1","3","3","1") = "3"
    & skf21("3","1","4","1","1","3","4","1") = "3"
    & skf21("3","1","4","1","1","3","5","1") = "4"
    & skf21("3","1","4","1","1","3","6","1") = "5"
    & skf21("3","1","4","1","1","3","7","1") = "6"
    & skf21("3","1","4","1","1","4","1","1") = "3"
    & skf21("3","1","4","1","1","4","2","1") = "3"
    & skf21("3","1","4","1","1","4","3","1") = "3"
    & skf21("3","1","4","1","1","4","4","1") = "3"
    & skf21("3","1","4","1","1","4","5","1") = "4"
    & skf21("3","1","4","1","1","4","6","1") = "5"
    & skf21("3","1","4","1","1","4","7","1") = "6"
    & skf21("3","1","4","1","1","5","1","1") = "4"
    & skf21("3","1","4","1","1","5","2","1") = "4"
    & skf21("3","1","4","1","1","5","3","1") = "4"
    & skf21("3","1","4","1","1","5","4","1") = "4"
    & skf21("3","1","4","1","1","5","5","1") = "4"
    & skf21("3","1","4","1","1","5","6","1") = "5"
    & skf21("3","1","4","1","1","5","7","1") = "6"
    & skf21("3","1","4","1","1","6","1","1") = "5"
    & skf21("3","1","4","1","1","6","2","1") = "5"
    & skf21("3","1","4","1","1","6","3","1") = "5"
    & skf21("3","1","4","1","1","6","4","1") = "5"
    & skf21("3","1","4","1","1","6","5","1") = "5"
    & skf21("3","1","4","1","1","6","6","1") = "5"
    & skf21("3","1","4","1","1","6","7","1") = "6"
    & skf21("3","1","4","1","1","7","1","1") = "6"
    & skf21("3","1","4","1","1","7","2","1") = "6"
    & skf21("3","1","4","1","1","7","3","1") = "6"
    & skf21("3","1","4","1","1","7","4","1") = "6"
    & skf21("3","1","4","1","1","7","5","1") = "6"
    & skf21("3","1","4","1","1","7","6","1") = "6"
    & skf21("3","1","4","1","1","7","7","1") = "6"
    & skf21("3","1","4","1","2","1","1","1") = "3"
    & skf21("3","1","4","1","2","1","2","1") = "3"
    & skf21("3","1","4","1","2","1","3","1") = "3"
    & skf21("3","1","4","1","2","1","4","1") = "3"
    & skf21("3","1","4","1","2","1","5","1") = "4"
    & skf21("3","1","4","1","2","1","6","1") = "5"
    & skf21("3","1","4","1","2","1","7","1") = "6"
    & skf21("3","1","4","1","2","2","1","1") = "3"
    & skf21("3","1","4","1","2","2","2","1") = "3"
    & skf21("3","1","4","1","2","2","3","1") = "3"
    & skf21("3","1","4","1","2","2","4","1") = "3"
    & skf21("3","1","4","1","2","2","5","1") = "4"
    & skf21("3","1","4","1","2","2","6","1") = "5"
    & skf21("3","1","4","1","2","2","7","1") = "6"
    & skf21("3","1","4","1","2","3","1","1") = "3"
    & skf21("3","1","4","1","2","3","2","1") = "3"
    & skf21("3","1","4","1","2","3","3","1") = "3"
    & skf21("3","1","4","1","2","3","4","1") = "3"
    & skf21("3","1","4","1","2","3","5","1") = "4"
    & skf21("3","1","4","1","2","3","6","1") = "5"
    & skf21("3","1","4","1","2","3","7","1") = "6"
    & skf21("3","1","4","1","2","4","1","1") = "3"
    & skf21("3","1","4","1","2","4","2","1") = "3"
    & skf21("3","1","4","1","2","4","3","1") = "3"
    & skf21("3","1","4","1","2","4","4","1") = "3"
    & skf21("3","1","4","1","2","4","5","1") = "4"
    & skf21("3","1","4","1","2","4","6","1") = "5"
    & skf21("3","1","4","1","2","4","7","1") = "6"
    & skf21("3","1","4","1","2","5","1","1") = "4"
    & skf21("3","1","4","1","2","5","2","1") = "4"
    & skf21("3","1","4","1","2","5","3","1") = "4"
    & skf21("3","1","4","1","2","5","4","1") = "4"
    & skf21("3","1","4","1","2","5","5","1") = "4"
    & skf21("3","1","4","1","2","5","6","1") = "5"
    & skf21("3","1","4","1","2","5","7","1") = "6"
    & skf21("3","1","4","1","2","6","1","1") = "5"
    & skf21("3","1","4","1","2","6","2","1") = "5"
    & skf21("3","1","4","1","2","6","3","1") = "5"
    & skf21("3","1","4","1","2","6","4","1") = "5"
    & skf21("3","1","4","1","2","6","5","1") = "5"
    & skf21("3","1","4","1","2","6","6","1") = "5"
    & skf21("3","1","4","1","2","6","7","1") = "6"
    & skf21("3","1","4","1","2","7","1","1") = "6"
    & skf21("3","1","4","1","2","7","2","1") = "6"
    & skf21("3","1","4","1","2","7","3","1") = "6"
    & skf21("3","1","4","1","2","7","4","1") = "6"
    & skf21("3","1","4","1","2","7","5","1") = "6"
    & skf21("3","1","4","1","2","7","6","1") = "6"
    & skf21("3","1","4","1","2","7","7","1") = "6"
    & skf21("3","1","4","1","3","1","1","1") = "3"
    & skf21("3","1","4","1","3","1","2","1") = "3"
    & skf21("3","1","4","1","3","1","3","1") = "3"
    & skf21("3","1","4","1","3","1","4","1") = "3"
    & skf21("3","1","4","1","3","1","5","1") = "4"
    & skf21("3","1","4","1","3","1","6","1") = "5"
    & skf21("3","1","4","1","3","1","7","1") = "6"
    & skf21("3","1","4","1","3","2","1","1") = "3"
    & skf21("3","1","4","1","3","2","2","1") = "3"
    & skf21("3","1","4","1","3","2","3","1") = "3"
    & skf21("3","1","4","1","3","2","4","1") = "3"
    & skf21("3","1","4","1","3","2","5","1") = "4"
    & skf21("3","1","4","1","3","2","6","1") = "5"
    & skf21("3","1","4","1","3","2","7","1") = "6"
    & skf21("3","1","4","1","3","3","1","1") = "3"
    & skf21("3","1","4","1","3","3","2","1") = "3"
    & skf21("3","1","4","1","3","3","3","1") = "3"
    & skf21("3","1","4","1","3","3","4","1") = "3"
    & skf21("3","1","4","1","3","3","5","1") = "4"
    & skf21("3","1","4","1","3","3","6","1") = "5"
    & skf21("3","1","4","1","3","3","7","1") = "6"
    & skf21("3","1","4","1","3","4","1","1") = "3"
    & skf21("3","1","4","1","3","4","2","1") = "3"
    & skf21("3","1","4","1","3","4","3","1") = "3"
    & skf21("3","1","4","1","3","4","4","1") = "3"
    & skf21("3","1","4","1","3","4","5","1") = "4"
    & skf21("3","1","4","1","3","4","6","1") = "5"
    & skf21("3","1","4","1","3","4","7","1") = "6"
    & skf21("3","1","4","1","3","5","1","1") = "4"
    & skf21("3","1","4","1","3","5","2","1") = "4"
    & skf21("3","1","4","1","3","5","3","1") = "4"
    & skf21("3","1","4","1","3","5","4","1") = "4"
    & skf21("3","1","4","1","3","5","5","1") = "4"
    & skf21("3","1","4","1","3","5","6","1") = "5"
    & skf21("3","1","4","1","3","5","7","1") = "6"
    & skf21("3","1","4","1","3","6","1","1") = "5"
    & skf21("3","1","4","1","3","6","2","1") = "5"
    & skf21("3","1","4","1","3","6","3","1") = "5"
    & skf21("3","1","4","1","3","6","4","1") = "5"
    & skf21("3","1","4","1","3","6","5","1") = "5"
    & skf21("3","1","4","1","3","6","6","1") = "5"
    & skf21("3","1","4","1","3","6","7","1") = "6"
    & skf21("3","1","4","1","3","7","1","1") = "6"
    & skf21("3","1","4","1","3","7","2","1") = "6"
    & skf21("3","1","4","1","3","7","3","1") = "6"
    & skf21("3","1","4","1","3","7","4","1") = "6"
    & skf21("3","1","4","1","3","7","5","1") = "6"
    & skf21("3","1","4","1","3","7","6","1") = "6"
    & skf21("3","1","4","1","3","7","7","1") = "6"
    & skf21("3","1","4","1","4","1","1","1") = "3"
    & skf21("3","1","4","1","4","1","2","1") = "3"
    & skf21("3","1","4","1","4","1","3","1") = "3"
    & skf21("3","1","4","1","4","1","4","1") = "3"
    & skf21("3","1","4","1","4","1","5","1") = "4"
    & skf21("3","1","4","1","4","1","6","1") = "5"
    & skf21("3","1","4","1","4","1","7","1") = "6"
    & skf21("3","1","4","1","4","2","1","1") = "3"
    & skf21("3","1","4","1","4","2","2","1") = "3"
    & skf21("3","1","4","1","4","2","3","1") = "3"
    & skf21("3","1","4","1","4","2","4","1") = "3"
    & skf21("3","1","4","1","4","2","5","1") = "4"
    & skf21("3","1","4","1","4","2","6","1") = "5"
    & skf21("3","1","4","1","4","2","7","1") = "6"
    & skf21("3","1","4","1","4","3","1","1") = "3"
    & skf21("3","1","4","1","4","3","2","1") = "3"
    & skf21("3","1","4","1","4","3","3","1") = "3"
    & skf21("3","1","4","1","4","3","4","1") = "3"
    & skf21("3","1","4","1","4","3","5","1") = "4"
    & skf21("3","1","4","1","4","3","6","1") = "5"
    & skf21("3","1","4","1","4","3","7","1") = "6"
    & skf21("3","1","4","1","4","4","1","1") = "3"
    & skf21("3","1","4","1","4","4","2","1") = "3"
    & skf21("3","1","4","1","4","4","3","1") = "3"
    & skf21("3","1","4","1","4","4","4","1") = "3"
    & skf21("3","1","4","1","4","4","5","1") = "4"
    & skf21("3","1","4","1","4","4","6","1") = "5"
    & skf21("3","1","4","1","4","4","7","1") = "6"
    & skf21("3","1","4","1","4","5","1","1") = "4"
    & skf21("3","1","4","1","4","5","2","1") = "4"
    & skf21("3","1","4","1","4","5","3","1") = "4"
    & skf21("3","1","4","1","4","5","4","1") = "4"
    & skf21("3","1","4","1","4","5","5","1") = "4"
    & skf21("3","1","4","1","4","5","6","1") = "5"
    & skf21("3","1","4","1","4","5","7","1") = "6"
    & skf21("3","1","4","1","4","6","1","1") = "5"
    & skf21("3","1","4","1","4","6","2","1") = "5"
    & skf21("3","1","4","1","4","6","3","1") = "5"
    & skf21("3","1","4","1","4","6","4","1") = "5"
    & skf21("3","1","4","1","4","6","5","1") = "5"
    & skf21("3","1","4","1","4","6","6","1") = "5"
    & skf21("3","1","4","1","4","6","7","1") = "6"
    & skf21("3","1","4","1","4","7","1","1") = "6"
    & skf21("3","1","4","1","4","7","2","1") = "6"
    & skf21("3","1","4","1","4","7","3","1") = "6"
    & skf21("3","1","4","1","4","7","4","1") = "6"
    & skf21("3","1","4","1","4","7","5","1") = "6"
    & skf21("3","1","4","1","4","7","6","1") = "6"
    & skf21("3","1","4","1","4","7","7","1") = "6"
    & skf21("3","1","4","1","5","1","1","1") = "4"
    & skf21("3","1","4","1","5","1","2","1") = "4"
    & skf21("3","1","4","1","5","1","3","1") = "4"
    & skf21("3","1","4","1","5","1","4","1") = "4"
    & skf21("3","1","4","1","5","1","5","1") = "4"
    & skf21("3","1","4","1","5","1","6","1") = "5"
    & skf21("3","1","4","1","5","1","7","1") = "6"
    & skf21("3","1","4","1","5","2","1","1") = "4"
    & skf21("3","1","4","1","5","2","2","1") = "4"
    & skf21("3","1","4","1","5","2","3","1") = "4"
    & skf21("3","1","4","1","5","2","4","1") = "4"
    & skf21("3","1","4","1","5","2","5","1") = "4"
    & skf21("3","1","4","1","5","2","6","1") = "5"
    & skf21("3","1","4","1","5","2","7","1") = "6"
    & skf21("3","1","4","1","5","3","1","1") = "4"
    & skf21("3","1","4","1","5","3","2","1") = "4"
    & skf21("3","1","4","1","5","3","3","1") = "4"
    & skf21("3","1","4","1","5","3","4","1") = "4"
    & skf21("3","1","4","1","5","3","5","1") = "4"
    & skf21("3","1","4","1","5","3","6","1") = "5"
    & skf21("3","1","4","1","5","3","7","1") = "6"
    & skf21("3","1","4","1","5","4","1","1") = "4"
    & skf21("3","1","4","1","5","4","2","1") = "4"
    & skf21("3","1","4","1","5","4","3","1") = "4"
    & skf21("3","1","4","1","5","4","4","1") = "4"
    & skf21("3","1","4","1","5","4","5","1") = "4"
    & skf21("3","1","4","1","5","4","6","1") = "5"
    & skf21("3","1","4","1","5","4","7","1") = "6"
    & skf21("3","1","4","1","5","5","1","1") = "4"
    & skf21("3","1","4","1","5","5","2","1") = "4"
    & skf21("3","1","4","1","5","5","3","1") = "4"
    & skf21("3","1","4","1","5","5","4","1") = "4"
    & skf21("3","1","4","1","5","5","5","1") = "4"
    & skf21("3","1","4","1","5","5","6","1") = "5"
    & skf21("3","1","4","1","5","5","7","1") = "6"
    & skf21("3","1","4","1","5","6","1","1") = "5"
    & skf21("3","1","4","1","5","6","2","1") = "5"
    & skf21("3","1","4","1","5","6","3","1") = "5"
    & skf21("3","1","4","1","5","6","4","1") = "5"
    & skf21("3","1","4","1","5","6","5","1") = "5"
    & skf21("3","1","4","1","5","6","6","1") = "5"
    & skf21("3","1","4","1","5","6","7","1") = "6"
    & skf21("3","1","4","1","5","7","1","1") = "6"
    & skf21("3","1","4","1","5","7","2","1") = "6"
    & skf21("3","1","4","1","5","7","3","1") = "6"
    & skf21("3","1","4","1","5","7","4","1") = "6"
    & skf21("3","1","4","1","5","7","5","1") = "6"
    & skf21("3","1","4","1","5","7","6","1") = "6"
    & skf21("3","1","4","1","5","7","7","1") = "6"
    & skf21("3","1","4","1","6","1","1","1") = "5"
    & skf21("3","1","4","1","6","1","2","1") = "5"
    & skf21("3","1","4","1","6","1","3","1") = "5"
    & skf21("3","1","4","1","6","1","4","1") = "5"
    & skf21("3","1","4","1","6","1","5","1") = "5"
    & skf21("3","1","4","1","6","1","6","1") = "5"
    & skf21("3","1","4","1","6","1","7","1") = "6"
    & skf21("3","1","4","1","6","2","1","1") = "5"
    & skf21("3","1","4","1","6","2","2","1") = "5"
    & skf21("3","1","4","1","6","2","3","1") = "5"
    & skf21("3","1","4","1","6","2","4","1") = "5"
    & skf21("3","1","4","1","6","2","5","1") = "5"
    & skf21("3","1","4","1","6","2","6","1") = "5"
    & skf21("3","1","4","1","6","2","7","1") = "6"
    & skf21("3","1","4","1","6","3","1","1") = "5"
    & skf21("3","1","4","1","6","3","2","1") = "5"
    & skf21("3","1","4","1","6","3","3","1") = "5"
    & skf21("3","1","4","1","6","3","4","1") = "5"
    & skf21("3","1","4","1","6","3","5","1") = "5"
    & skf21("3","1","4","1","6","3","6","1") = "5"
    & skf21("3","1","4","1","6","3","7","1") = "6"
    & skf21("3","1","4","1","6","4","1","1") = "5"
    & skf21("3","1","4","1","6","4","2","1") = "5"
    & skf21("3","1","4","1","6","4","3","1") = "5"
    & skf21("3","1","4","1","6","4","4","1") = "5"
    & skf21("3","1","4","1","6","4","5","1") = "5"
    & skf21("3","1","4","1","6","4","6","1") = "5"
    & skf21("3","1","4","1","6","4","7","1") = "6"
    & skf21("3","1","4","1","6","5","1","1") = "5"
    & skf21("3","1","4","1","6","5","2","1") = "5"
    & skf21("3","1","4","1","6","5","3","1") = "5"
    & skf21("3","1","4","1","6","5","4","1") = "5"
    & skf21("3","1","4","1","6","5","5","1") = "5"
    & skf21("3","1","4","1","6","5","6","1") = "5"
    & skf21("3","1","4","1","6","5","7","1") = "6"
    & skf21("3","1","4","1","6","6","1","1") = "5"
    & skf21("3","1","4","1","6","6","2","1") = "5"
    & skf21("3","1","4","1","6","6","3","1") = "5"
    & skf21("3","1","4","1","6","6","4","1") = "5"
    & skf21("3","1","4","1","6","6","5","1") = "5"
    & skf21("3","1","4","1","6","6","6","1") = "5"
    & skf21("3","1","4","1","6","6","7","1") = "6"
    & skf21("3","1","4","1","6","7","1","1") = "6"
    & skf21("3","1","4","1","6","7","2","1") = "6"
    & skf21("3","1","4","1","6","7","3","1") = "6"
    & skf21("3","1","4","1","6","7","4","1") = "6"
    & skf21("3","1","4","1","6","7","5","1") = "6"
    & skf21("3","1","4","1","6","7","6","1") = "6"
    & skf21("3","1","4","1","6","7","7","1") = "6"
    & skf21("3","1","4","1","7","1","1","1") = "6"
    & skf21("3","1","4","1","7","1","2","1") = "6"
    & skf21("3","1","4","1","7","1","3","1") = "6"
    & skf21("3","1","4","1","7","1","4","1") = "6"
    & skf21("3","1","4","1","7","1","5","1") = "6"
    & skf21("3","1","4","1","7","1","6","1") = "6"
    & skf21("3","1","4","1","7","1","7","1") = "6"
    & skf21("3","1","4","1","7","2","1","1") = "6"
    & skf21("3","1","4","1","7","2","2","1") = "6"
    & skf21("3","1","4","1","7","2","3","1") = "6"
    & skf21("3","1","4","1","7","2","4","1") = "6"
    & skf21("3","1","4","1","7","2","5","1") = "6"
    & skf21("3","1","4","1","7","2","6","1") = "6"
    & skf21("3","1","4","1","7","2","7","1") = "6"
    & skf21("3","1","4","1","7","3","1","1") = "6"
    & skf21("3","1","4","1","7","3","2","1") = "6"
    & skf21("3","1","4","1","7","3","3","1") = "6"
    & skf21("3","1","4","1","7","3","4","1") = "6"
    & skf21("3","1","4","1","7","3","5","1") = "6"
    & skf21("3","1","4","1","7","3","6","1") = "6"
    & skf21("3","1","4","1","7","3","7","1") = "6"
    & skf21("3","1","4","1","7","4","1","1") = "6"
    & skf21("3","1","4","1","7","4","2","1") = "6"
    & skf21("3","1","4","1","7","4","3","1") = "6"
    & skf21("3","1","4","1","7","4","4","1") = "6"
    & skf21("3","1","4","1","7","4","5","1") = "6"
    & skf21("3","1","4","1","7","4","6","1") = "6"
    & skf21("3","1","4","1","7","4","7","1") = "6"
    & skf21("3","1","4","1","7","5","1","1") = "6"
    & skf21("3","1","4","1","7","5","2","1") = "6"
    & skf21("3","1","4","1","7","5","3","1") = "6"
    & skf21("3","1","4","1","7","5","4","1") = "6"
    & skf21("3","1","4","1","7","5","5","1") = "6"
    & skf21("3","1","4","1","7","5","6","1") = "6"
    & skf21("3","1","4","1","7","5","7","1") = "6"
    & skf21("3","1","4","1","7","6","1","1") = "6"
    & skf21("3","1","4","1","7","6","2","1") = "6"
    & skf21("3","1","4","1","7","6","3","1") = "6"
    & skf21("3","1","4","1","7","6","4","1") = "6"
    & skf21("3","1","4","1","7","6","5","1") = "6"
    & skf21("3","1","4","1","7","6","6","1") = "6"
    & skf21("3","1","4","1","7","6","7","1") = "6"
    & skf21("3","1","4","1","7","7","1","1") = "6"
    & skf21("3","1","4","1","7","7","2","1") = "6"
    & skf21("3","1","4","1","7","7","3","1") = "6"
    & skf21("3","1","4","1","7","7","4","1") = "6"
    & skf21("3","1","4","1","7","7","5","1") = "6"
    & skf21("3","1","4","1","7","7","6","1") = "6"
    & skf21("3","1","4","1","7","7","7","1") = "6"
    & skf21("3","1","4","2","1","1","1","1") = "3"
    & skf21("3","1","4","2","1","1","2","1") = "3"
    & skf21("3","1","4","2","1","1","3","1") = "3"
    & skf21("3","1","4","2","1","1","4","1") = "3"
    & skf21("3","1","4","2","1","1","5","1") = "4"
    & skf21("3","1","4","2","1","1","6","1") = "5"
    & skf21("3","1","4","2","1","1","7","1") = "6"
    & skf21("3","1","4","2","1","2","1","1") = "3"
    & skf21("3","1","4","2","1","2","2","1") = "3"
    & skf21("3","1","4","2","1","2","3","1") = "3"
    & skf21("3","1","4","2","1","2","4","1") = "3"
    & skf21("3","1","4","2","1","2","5","1") = "4"
    & skf21("3","1","4","2","1","2","6","1") = "5"
    & skf21("3","1","4","2","1","2","7","1") = "6"
    & skf21("3","1","4","2","1","3","1","1") = "3"
    & skf21("3","1","4","2","1","3","2","1") = "3"
    & skf21("3","1","4","2","1","3","3","1") = "3"
    & skf21("3","1","4","2","1","3","4","1") = "3"
    & skf21("3","1","4","2","1","3","5","1") = "4"
    & skf21("3","1","4","2","1","3","6","1") = "5"
    & skf21("3","1","4","2","1","3","7","1") = "6"
    & skf21("3","1","4","2","1","4","1","1") = "3"
    & skf21("3","1","4","2","1","4","2","1") = "3"
    & skf21("3","1","4","2","1","4","3","1") = "3"
    & skf21("3","1","4","2","1","4","4","1") = "3"
    & skf21("3","1","4","2","1","4","5","1") = "4"
    & skf21("3","1","4","2","1","4","6","1") = "5"
    & skf21("3","1","4","2","1","4","7","1") = "6"
    & skf21("3","1","4","2","1","5","1","1") = "4"
    & skf21("3","1","4","2","1","5","2","1") = "4"
    & skf21("3","1","4","2","1","5","3","1") = "4"
    & skf21("3","1","4","2","1","5","4","1") = "4"
    & skf21("3","1","4","2","1","5","5","1") = "4"
    & skf21("3","1","4","2","1","5","6","1") = "5"
    & skf21("3","1","4","2","1","5","7","1") = "6"
    & skf21("3","1","4","2","1","6","1","1") = "5"
    & skf21("3","1","4","2","1","6","2","1") = "5"
    & skf21("3","1","4","2","1","6","3","1") = "5"
    & skf21("3","1","4","2","1","6","4","1") = "5"
    & skf21("3","1","4","2","1","6","5","1") = "5"
    & skf21("3","1","4","2","1","6","6","1") = "5"
    & skf21("3","1","4","2","1","6","7","1") = "6"
    & skf21("3","1","4","2","1","7","1","1") = "6"
    & skf21("3","1","4","2","1","7","2","1") = "6"
    & skf21("3","1","4","2","1","7","3","1") = "6"
    & skf21("3","1","4","2","1","7","4","1") = "6"
    & skf21("3","1","4","2","1","7","5","1") = "6"
    & skf21("3","1","4","2","1","7","6","1") = "6"
    & skf21("3","1","4","2","1","7","7","1") = "6"
    & skf21("3","1","4","2","2","1","1","1") = "3"
    & skf21("3","1","4","2","2","1","2","1") = "3"
    & skf21("3","1","4","2","2","1","3","1") = "3"
    & skf21("3","1","4","2","2","1","4","1") = "3"
    & skf21("3","1","4","2","2","1","5","1") = "4"
    & skf21("3","1","4","2","2","1","6","1") = "5"
    & skf21("3","1","4","2","2","1","7","1") = "6"
    & skf21("3","1","4","2","2","2","1","1") = "3"
    & skf21("3","1","4","2","2","2","2","1") = "3"
    & skf21("3","1","4","2","2","2","3","1") = "3"
    & skf21("3","1","4","2","2","2","4","1") = "3"
    & skf21("3","1","4","2","2","2","5","1") = "4"
    & skf21("3","1","4","2","2","2","6","1") = "5"
    & skf21("3","1","4","2","2","2","7","1") = "6"
    & skf21("3","1","4","2","2","3","1","1") = "3"
    & skf21("3","1","4","2","2","3","2","1") = "3"
    & skf21("3","1","4","2","2","3","3","1") = "3"
    & skf21("3","1","4","2","2","3","4","1") = "3"
    & skf21("3","1","4","2","2","3","5","1") = "4"
    & skf21("3","1","4","2","2","3","6","1") = "5"
    & skf21("3","1","4","2","2","3","7","1") = "6"
    & skf21("3","1","4","2","2","4","1","1") = "3"
    & skf21("3","1","4","2","2","4","2","1") = "3"
    & skf21("3","1","4","2","2","4","3","1") = "3"
    & skf21("3","1","4","2","2","4","4","1") = "3"
    & skf21("3","1","4","2","2","4","5","1") = "4"
    & skf21("3","1","4","2","2","4","6","1") = "5"
    & skf21("3","1","4","2","2","4","7","1") = "6"
    & skf21("3","1","4","2","2","5","1","1") = "4"
    & skf21("3","1","4","2","2","5","2","1") = "4"
    & skf21("3","1","4","2","2","5","3","1") = "4"
    & skf21("3","1","4","2","2","5","4","1") = "4"
    & skf21("3","1","4","2","2","5","5","1") = "4"
    & skf21("3","1","4","2","2","5","6","1") = "5"
    & skf21("3","1","4","2","2","5","7","1") = "6"
    & skf21("3","1","4","2","2","6","1","1") = "5"
    & skf21("3","1","4","2","2","6","2","1") = "5"
    & skf21("3","1","4","2","2","6","3","1") = "5"
    & skf21("3","1","4","2","2","6","4","1") = "5"
    & skf21("3","1","4","2","2","6","5","1") = "5"
    & skf21("3","1","4","2","2","6","6","1") = "5"
    & skf21("3","1","4","2","2","6","7","1") = "6"
    & skf21("3","1","4","2","2","7","1","1") = "6"
    & skf21("3","1","4","2","2","7","2","1") = "6"
    & skf21("3","1","4","2","2","7","3","1") = "6"
    & skf21("3","1","4","2","2","7","4","1") = "6"
    & skf21("3","1","4","2","2","7","5","1") = "6"
    & skf21("3","1","4","2","2","7","6","1") = "6"
    & skf21("3","1","4","2","2","7","7","1") = "6"
    & skf21("3","1","4","2","3","1","1","1") = "3"
    & skf21("3","1","4","2","3","1","2","1") = "3"
    & skf21("3","1","4","2","3","1","3","1") = "3"
    & skf21("3","1","4","2","3","1","4","1") = "3"
    & skf21("3","1","4","2","3","1","5","1") = "4"
    & skf21("3","1","4","2","3","1","6","1") = "5"
    & skf21("3","1","4","2","3","1","7","1") = "6"
    & skf21("3","1","4","2","3","2","1","1") = "3"
    & skf21("3","1","4","2","3","2","2","1") = "3"
    & skf21("3","1","4","2","3","2","3","1") = "3"
    & skf21("3","1","4","2","3","2","4","1") = "3"
    & skf21("3","1","4","2","3","2","5","1") = "4"
    & skf21("3","1","4","2","3","2","6","1") = "5"
    & skf21("3","1","4","2","3","2","7","1") = "6"
    & skf21("3","1","4","2","3","3","1","1") = "3"
    & skf21("3","1","4","2","3","3","2","1") = "3"
    & skf21("3","1","4","2","3","3","3","1") = "3"
    & skf21("3","1","4","2","3","3","4","1") = "3"
    & skf21("3","1","4","2","3","3","5","1") = "4"
    & skf21("3","1","4","2","3","3","6","1") = "5"
    & skf21("3","1","4","2","3","3","7","1") = "6"
    & skf21("3","1","4","2","3","4","1","1") = "3"
    & skf21("3","1","4","2","3","4","2","1") = "3"
    & skf21("3","1","4","2","3","4","3","1") = "3"
    & skf21("3","1","4","2","3","4","4","1") = "3"
    & skf21("3","1","4","2","3","4","5","1") = "4"
    & skf21("3","1","4","2","3","4","6","1") = "5"
    & skf21("3","1","4","2","3","4","7","1") = "6"
    & skf21("3","1","4","2","3","5","1","1") = "4"
    & skf21("3","1","4","2","3","5","2","1") = "4"
    & skf21("3","1","4","2","3","5","3","1") = "4"
    & skf21("3","1","4","2","3","5","4","1") = "4"
    & skf21("3","1","4","2","3","5","5","1") = "4"
    & skf21("3","1","4","2","3","5","6","1") = "5"
    & skf21("3","1","4","2","3","5","7","1") = "6"
    & skf21("3","1","4","2","3","6","1","1") = "5"
    & skf21("3","1","4","2","3","6","2","1") = "5"
    & skf21("3","1","4","2","3","6","3","1") = "5"
    & skf21("3","1","4","2","3","6","4","1") = "5"
    & skf21("3","1","4","2","3","6","5","1") = "5"
    & skf21("3","1","4","2","3","6","6","1") = "5"
    & skf21("3","1","4","2","3","6","7","1") = "6"
    & skf21("3","1","4","2","3","7","1","1") = "6"
    & skf21("3","1","4","2","3","7","2","1") = "6"
    & skf21("3","1","4","2","3","7","3","1") = "6"
    & skf21("3","1","4","2","3","7","4","1") = "6"
    & skf21("3","1","4","2","3","7","5","1") = "6"
    & skf21("3","1","4","2","3","7","6","1") = "6"
    & skf21("3","1","4","2","3","7","7","1") = "6"
    & skf21("3","1","4","2","4","1","1","1") = "3"
    & skf21("3","1","4","2","4","1","2","1") = "3"
    & skf21("3","1","4","2","4","1","3","1") = "3"
    & skf21("3","1","4","2","4","1","4","1") = "3"
    & skf21("3","1","4","2","4","1","5","1") = "4"
    & skf21("3","1","4","2","4","1","6","1") = "5"
    & skf21("3","1","4","2","4","1","7","1") = "6"
    & skf21("3","1","4","2","4","2","1","1") = "3"
    & skf21("3","1","4","2","4","2","2","1") = "3"
    & skf21("3","1","4","2","4","2","3","1") = "3"
    & skf21("3","1","4","2","4","2","4","1") = "3"
    & skf21("3","1","4","2","4","2","5","1") = "4"
    & skf21("3","1","4","2","4","2","6","1") = "5"
    & skf21("3","1","4","2","4","2","7","1") = "6"
    & skf21("3","1","4","2","4","3","1","1") = "3"
    & skf21("3","1","4","2","4","3","2","1") = "3"
    & skf21("3","1","4","2","4","3","3","1") = "3"
    & skf21("3","1","4","2","4","3","4","1") = "3"
    & skf21("3","1","4","2","4","3","5","1") = "4"
    & skf21("3","1","4","2","4","3","6","1") = "5"
    & skf21("3","1","4","2","4","3","7","1") = "6"
    & skf21("3","1","4","2","4","4","1","1") = "3"
    & skf21("3","1","4","2","4","4","2","1") = "3"
    & skf21("3","1","4","2","4","4","3","1") = "3"
    & skf21("3","1","4","2","4","4","4","1") = "3"
    & skf21("3","1","4","2","4","4","5","1") = "4"
    & skf21("3","1","4","2","4","4","6","1") = "5"
    & skf21("3","1","4","2","4","4","7","1") = "6"
    & skf21("3","1","4","2","4","5","1","1") = "4"
    & skf21("3","1","4","2","4","5","2","1") = "4"
    & skf21("3","1","4","2","4","5","3","1") = "4"
    & skf21("3","1","4","2","4","5","4","1") = "4"
    & skf21("3","1","4","2","4","5","5","1") = "4"
    & skf21("3","1","4","2","4","5","6","1") = "5"
    & skf21("3","1","4","2","4","5","7","1") = "6"
    & skf21("3","1","4","2","4","6","1","1") = "5"
    & skf21("3","1","4","2","4","6","2","1") = "5"
    & skf21("3","1","4","2","4","6","3","1") = "5"
    & skf21("3","1","4","2","4","6","4","1") = "5"
    & skf21("3","1","4","2","4","6","5","1") = "5"
    & skf21("3","1","4","2","4","6","6","1") = "5"
    & skf21("3","1","4","2","4","6","7","1") = "6"
    & skf21("3","1","4","2","4","7","1","1") = "6"
    & skf21("3","1","4","2","4","7","2","1") = "6"
    & skf21("3","1","4","2","4","7","3","1") = "6"
    & skf21("3","1","4","2","4","7","4","1") = "6"
    & skf21("3","1","4","2","4","7","5","1") = "6"
    & skf21("3","1","4","2","4","7","6","1") = "6"
    & skf21("3","1","4","2","4","7","7","1") = "6"
    & skf21("3","1","4","2","5","1","1","1") = "4"
    & skf21("3","1","4","2","5","1","2","1") = "4"
    & skf21("3","1","4","2","5","1","3","1") = "4"
    & skf21("3","1","4","2","5","1","4","1") = "4"
    & skf21("3","1","4","2","5","1","5","1") = "4"
    & skf21("3","1","4","2","5","1","6","1") = "5"
    & skf21("3","1","4","2","5","1","7","1") = "6"
    & skf21("3","1","4","2","5","2","1","1") = "4"
    & skf21("3","1","4","2","5","2","2","1") = "4"
    & skf21("3","1","4","2","5","2","3","1") = "4"
    & skf21("3","1","4","2","5","2","4","1") = "4"
    & skf21("3","1","4","2","5","2","5","1") = "4"
    & skf21("3","1","4","2","5","2","6","1") = "5"
    & skf21("3","1","4","2","5","2","7","1") = "6"
    & skf21("3","1","4","2","5","3","1","1") = "4"
    & skf21("3","1","4","2","5","3","2","1") = "4"
    & skf21("3","1","4","2","5","3","3","1") = "4"
    & skf21("3","1","4","2","5","3","4","1") = "4"
    & skf21("3","1","4","2","5","3","5","1") = "4"
    & skf21("3","1","4","2","5","3","6","1") = "5"
    & skf21("3","1","4","2","5","3","7","1") = "6"
    & skf21("3","1","4","2","5","4","1","1") = "4"
    & skf21("3","1","4","2","5","4","2","1") = "4"
    & skf21("3","1","4","2","5","4","3","1") = "4"
    & skf21("3","1","4","2","5","4","4","1") = "4"
    & skf21("3","1","4","2","5","4","5","1") = "4"
    & skf21("3","1","4","2","5","4","6","1") = "5"
    & skf21("3","1","4","2","5","4","7","1") = "6"
    & skf21("3","1","4","2","5","5","1","1") = "4"
    & skf21("3","1","4","2","5","5","2","1") = "4"
    & skf21("3","1","4","2","5","5","3","1") = "4"
    & skf21("3","1","4","2","5","5","4","1") = "4"
    & skf21("3","1","4","2","5","5","5","1") = "4"
    & skf21("3","1","4","2","5","5","6","1") = "5"
    & skf21("3","1","4","2","5","5","7","1") = "6"
    & skf21("3","1","4","2","5","6","1","1") = "5"
    & skf21("3","1","4","2","5","6","2","1") = "5"
    & skf21("3","1","4","2","5","6","3","1") = "5"
    & skf21("3","1","4","2","5","6","4","1") = "5"
    & skf21("3","1","4","2","5","6","5","1") = "5"
    & skf21("3","1","4","2","5","6","6","1") = "5"
    & skf21("3","1","4","2","5","6","7","1") = "6"
    & skf21("3","1","4","2","5","7","1","1") = "6"
    & skf21("3","1","4","2","5","7","2","1") = "6"
    & skf21("3","1","4","2","5","7","3","1") = "6"
    & skf21("3","1","4","2","5","7","4","1") = "6"
    & skf21("3","1","4","2","5","7","5","1") = "6"
    & skf21("3","1","4","2","5","7","6","1") = "6"
    & skf21("3","1","4","2","5","7","7","1") = "6"
    & skf21("3","1","4","2","6","1","1","1") = "5"
    & skf21("3","1","4","2","6","1","2","1") = "5"
    & skf21("3","1","4","2","6","1","3","1") = "5"
    & skf21("3","1","4","2","6","1","4","1") = "5"
    & skf21("3","1","4","2","6","1","5","1") = "5"
    & skf21("3","1","4","2","6","1","6","1") = "5"
    & skf21("3","1","4","2","6","1","7","1") = "6"
    & skf21("3","1","4","2","6","2","1","1") = "5"
    & skf21("3","1","4","2","6","2","2","1") = "5"
    & skf21("3","1","4","2","6","2","3","1") = "5"
    & skf21("3","1","4","2","6","2","4","1") = "5"
    & skf21("3","1","4","2","6","2","5","1") = "5"
    & skf21("3","1","4","2","6","2","6","1") = "5"
    & skf21("3","1","4","2","6","2","7","1") = "6"
    & skf21("3","1","4","2","6","3","1","1") = "5"
    & skf21("3","1","4","2","6","3","2","1") = "5"
    & skf21("3","1","4","2","6","3","3","1") = "5"
    & skf21("3","1","4","2","6","3","4","1") = "5"
    & skf21("3","1","4","2","6","3","5","1") = "5"
    & skf21("3","1","4","2","6","3","6","1") = "5"
    & skf21("3","1","4","2","6","3","7","1") = "6"
    & skf21("3","1","4","2","6","4","1","1") = "5"
    & skf21("3","1","4","2","6","4","2","1") = "5"
    & skf21("3","1","4","2","6","4","3","1") = "5"
    & skf21("3","1","4","2","6","4","4","1") = "5"
    & skf21("3","1","4","2","6","4","5","1") = "5"
    & skf21("3","1","4","2","6","4","6","1") = "5"
    & skf21("3","1","4","2","6","4","7","1") = "6"
    & skf21("3","1","4","2","6","5","1","1") = "5"
    & skf21("3","1","4","2","6","5","2","1") = "5"
    & skf21("3","1","4","2","6","5","3","1") = "5"
    & skf21("3","1","4","2","6","5","4","1") = "5"
    & skf21("3","1","4","2","6","5","5","1") = "5"
    & skf21("3","1","4","2","6","5","6","1") = "5"
    & skf21("3","1","4","2","6","5","7","1") = "6"
    & skf21("3","1","4","2","6","6","1","1") = "5"
    & skf21("3","1","4","2","6","6","2","1") = "5"
    & skf21("3","1","4","2","6","6","3","1") = "5"
    & skf21("3","1","4","2","6","6","4","1") = "5"
    & skf21("3","1","4","2","6","6","5","1") = "5"
    & skf21("3","1","4","2","6","6","6","1") = "5"
    & skf21("3","1","4","2","6","6","7","1") = "6"
    & skf21("3","1","4","2","6","7","1","1") = "6"
    & skf21("3","1","4","2","6","7","2","1") = "6"
    & skf21("3","1","4","2","6","7","3","1") = "6"
    & skf21("3","1","4","2","6","7","4","1") = "6"
    & skf21("3","1","4","2","6","7","5","1") = "6"
    & skf21("3","1","4","2","6","7","6","1") = "6"
    & skf21("3","1","4","2","6","7","7","1") = "6"
    & skf21("3","1","4","2","7","1","1","1") = "6"
    & skf21("3","1","4","2","7","1","2","1") = "6"
    & skf21("3","1","4","2","7","1","3","1") = "6"
    & skf21("3","1","4","2","7","1","4","1") = "6"
    & skf21("3","1","4","2","7","1","5","1") = "6"
    & skf21("3","1","4","2","7","1","6","1") = "6"
    & skf21("3","1","4","2","7","1","7","1") = "6"
    & skf21("3","1","4","2","7","2","1","1") = "6"
    & skf21("3","1","4","2","7","2","2","1") = "6"
    & skf21("3","1","4","2","7","2","3","1") = "6"
    & skf21("3","1","4","2","7","2","4","1") = "6"
    & skf21("3","1","4","2","7","2","5","1") = "6"
    & skf21("3","1","4","2","7","2","6","1") = "6"
    & skf21("3","1","4","2","7","2","7","1") = "6"
    & skf21("3","1","4","2","7","3","1","1") = "6"
    & skf21("3","1","4","2","7","3","2","1") = "6"
    & skf21("3","1","4","2","7","3","3","1") = "6"
    & skf21("3","1","4","2","7","3","4","1") = "6"
    & skf21("3","1","4","2","7","3","5","1") = "6"
    & skf21("3","1","4","2","7","3","6","1") = "6"
    & skf21("3","1","4","2","7","3","7","1") = "6"
    & skf21("3","1","4","2","7","4","1","1") = "6"
    & skf21("3","1","4","2","7","4","2","1") = "6"
    & skf21("3","1","4","2","7","4","3","1") = "6"
    & skf21("3","1","4","2","7","4","4","1") = "6"
    & skf21("3","1","4","2","7","4","5","1") = "6"
    & skf21("3","1","4","2","7","4","6","1") = "6"
    & skf21("3","1","4","2","7","4","7","1") = "6"
    & skf21("3","1","4","2","7","5","1","1") = "6"
    & skf21("3","1","4","2","7","5","2","1") = "6"
    & skf21("3","1","4","2","7","5","3","1") = "6"
    & skf21("3","1","4","2","7","5","4","1") = "6"
    & skf21("3","1","4","2","7","5","5","1") = "6"
    & skf21("3","1","4","2","7","5","6","1") = "6"
    & skf21("3","1","4","2","7","5","7","1") = "6"
    & skf21("3","1","4","2","7","6","1","1") = "6"
    & skf21("3","1","4","2","7","6","2","1") = "6"
    & skf21("3","1","4","2","7","6","3","1") = "6"
    & skf21("3","1","4","2","7","6","4","1") = "6"
    & skf21("3","1","4","2","7","6","5","1") = "6"
    & skf21("3","1","4","2","7","6","6","1") = "6"
    & skf21("3","1","4","2","7","6","7","1") = "6"
    & skf21("3","1","4","2","7","7","1","1") = "6"
    & skf21("3","1","4","2","7","7","2","1") = "6"
    & skf21("3","1","4","2","7","7","3","1") = "6"
    & skf21("3","1","4","2","7","7","4","1") = "6"
    & skf21("3","1","4","2","7","7","5","1") = "6"
    & skf21("3","1","4","2","7","7","6","1") = "6"
    & skf21("3","1","4","2","7","7","7","1") = "6"
    & skf21("3","1","4","3","1","1","1","1") = "3"
    & skf21("3","1","4","3","1","1","2","1") = "3"
    & skf21("3","1","4","3","1","1","3","1") = "3"
    & skf21("3","1","4","3","1","1","4","1") = "3"
    & skf21("3","1","4","3","1","1","5","1") = "4"
    & skf21("3","1","4","3","1","1","6","1") = "5"
    & skf21("3","1","4","3","1","1","7","1") = "6"
    & skf21("3","1","4","3","1","2","1","1") = "3"
    & skf21("3","1","4","3","1","2","2","1") = "3"
    & skf21("3","1","4","3","1","2","3","1") = "3"
    & skf21("3","1","4","3","1","2","4","1") = "3"
    & skf21("3","1","4","3","1","2","5","1") = "4"
    & skf21("3","1","4","3","1","2","6","1") = "5"
    & skf21("3","1","4","3","1","2","7","1") = "6"
    & skf21("3","1","4","3","1","3","1","1") = "3"
    & skf21("3","1","4","3","1","3","2","1") = "3"
    & skf21("3","1","4","3","1","3","3","1") = "3"
    & skf21("3","1","4","3","1","3","4","1") = "3"
    & skf21("3","1","4","3","1","3","5","1") = "4"
    & skf21("3","1","4","3","1","3","6","1") = "5"
    & skf21("3","1","4","3","1","3","7","1") = "6"
    & skf21("3","1","4","3","1","4","1","1") = "3"
    & skf21("3","1","4","3","1","4","2","1") = "3"
    & skf21("3","1","4","3","1","4","3","1") = "3"
    & skf21("3","1","4","3","1","4","4","1") = "3"
    & skf21("3","1","4","3","1","4","5","1") = "4"
    & skf21("3","1","4","3","1","4","6","1") = "5"
    & skf21("3","1","4","3","1","4","7","1") = "6"
    & skf21("3","1","4","3","1","5","1","1") = "4"
    & skf21("3","1","4","3","1","5","2","1") = "4"
    & skf21("3","1","4","3","1","5","3","1") = "4"
    & skf21("3","1","4","3","1","5","4","1") = "4"
    & skf21("3","1","4","3","1","5","5","1") = "4"
    & skf21("3","1","4","3","1","5","6","1") = "5"
    & skf21("3","1","4","3","1","5","7","1") = "6"
    & skf21("3","1","4","3","1","6","1","1") = "5"
    & skf21("3","1","4","3","1","6","2","1") = "5"
    & skf21("3","1","4","3","1","6","3","1") = "5"
    & skf21("3","1","4","3","1","6","4","1") = "5"
    & skf21("3","1","4","3","1","6","5","1") = "5"
    & skf21("3","1","4","3","1","6","6","1") = "5"
    & skf21("3","1","4","3","1","6","7","1") = "6"
    & skf21("3","1","4","3","1","7","1","1") = "6"
    & skf21("3","1","4","3","1","7","2","1") = "6"
    & skf21("3","1","4","3","1","7","3","1") = "6"
    & skf21("3","1","4","3","1","7","4","1") = "6"
    & skf21("3","1","4","3","1","7","5","1") = "6"
    & skf21("3","1","4","3","1","7","6","1") = "6"
    & skf21("3","1","4","3","1","7","7","1") = "6"
    & skf21("3","1","4","3","2","1","1","1") = "3"
    & skf21("3","1","4","3","2","1","2","1") = "3"
    & skf21("3","1","4","3","2","1","3","1") = "3"
    & skf21("3","1","4","3","2","1","4","1") = "3"
    & skf21("3","1","4","3","2","1","5","1") = "4"
    & skf21("3","1","4","3","2","1","6","1") = "5"
    & skf21("3","1","4","3","2","1","7","1") = "6"
    & skf21("3","1","4","3","2","2","1","1") = "3"
    & skf21("3","1","4","3","2","2","2","1") = "3"
    & skf21("3","1","4","3","2","2","3","1") = "3"
    & skf21("3","1","4","3","2","2","4","1") = "3"
    & skf21("3","1","4","3","2","2","5","1") = "4"
    & skf21("3","1","4","3","2","2","6","1") = "5"
    & skf21("3","1","4","3","2","2","7","1") = "6"
    & skf21("3","1","4","3","2","3","1","1") = "3"
    & skf21("3","1","4","3","2","3","2","1") = "3"
    & skf21("3","1","4","3","2","3","3","1") = "3"
    & skf21("3","1","4","3","2","3","4","1") = "3"
    & skf21("3","1","4","3","2","3","5","1") = "4"
    & skf21("3","1","4","3","2","3","6","1") = "5"
    & skf21("3","1","4","3","2","3","7","1") = "6"
    & skf21("3","1","4","3","2","4","1","1") = "3"
    & skf21("3","1","4","3","2","4","2","1") = "3"
    & skf21("3","1","4","3","2","4","3","1") = "3"
    & skf21("3","1","4","3","2","4","4","1") = "3"
    & skf21("3","1","4","3","2","4","5","1") = "4"
    & skf21("3","1","4","3","2","4","6","1") = "5"
    & skf21("3","1","4","3","2","4","7","1") = "6"
    & skf21("3","1","4","3","2","5","1","1") = "4"
    & skf21("3","1","4","3","2","5","2","1") = "4"
    & skf21("3","1","4","3","2","5","3","1") = "4"
    & skf21("3","1","4","3","2","5","4","1") = "4"
    & skf21("3","1","4","3","2","5","5","1") = "4"
    & skf21("3","1","4","3","2","5","6","1") = "5"
    & skf21("3","1","4","3","2","5","7","1") = "6"
    & skf21("3","1","4","3","2","6","1","1") = "5"
    & skf21("3","1","4","3","2","6","2","1") = "5"
    & skf21("3","1","4","3","2","6","3","1") = "5"
    & skf21("3","1","4","3","2","6","4","1") = "5"
    & skf21("3","1","4","3","2","6","5","1") = "5"
    & skf21("3","1","4","3","2","6","6","1") = "5"
    & skf21("3","1","4","3","2","6","7","1") = "6"
    & skf21("3","1","4","3","2","7","1","1") = "6"
    & skf21("3","1","4","3","2","7","2","1") = "6"
    & skf21("3","1","4","3","2","7","3","1") = "6"
    & skf21("3","1","4","3","2","7","4","1") = "6"
    & skf21("3","1","4","3","2","7","5","1") = "6"
    & skf21("3","1","4","3","2","7","6","1") = "6"
    & skf21("3","1","4","3","2","7","7","1") = "6"
    & skf21("3","1","4","3","3","1","1","1") = "3"
    & skf21("3","1","4","3","3","1","2","1") = "3"
    & skf21("3","1","4","3","3","1","3","1") = "3"
    & skf21("3","1","4","3","3","1","4","1") = "3"
    & skf21("3","1","4","3","3","1","5","1") = "4"
    & skf21("3","1","4","3","3","1","6","1") = "5"
    & skf21("3","1","4","3","3","1","7","1") = "6"
    & skf21("3","1","4","3","3","2","1","1") = "3"
    & skf21("3","1","4","3","3","2","2","1") = "3"
    & skf21("3","1","4","3","3","2","3","1") = "3"
    & skf21("3","1","4","3","3","2","4","1") = "3"
    & skf21("3","1","4","3","3","2","5","1") = "4"
    & skf21("3","1","4","3","3","2","6","1") = "5"
    & skf21("3","1","4","3","3","2","7","1") = "6"
    & skf21("3","1","4","3","3","3","1","1") = "3"
    & skf21("3","1","4","3","3","3","2","1") = "3"
    & skf21("3","1","4","3","3","3","3","1") = "3"
    & skf21("3","1","4","3","3","3","4","1") = "3"
    & skf21("3","1","4","3","3","3","5","1") = "4"
    & skf21("3","1","4","3","3","3","6","1") = "5"
    & skf21("3","1","4","3","3","3","7","1") = "6"
    & skf21("3","1","4","3","3","4","1","1") = "3"
    & skf21("3","1","4","3","3","4","2","1") = "3"
    & skf21("3","1","4","3","3","4","3","1") = "3"
    & skf21("3","1","4","3","3","4","4","1") = "3"
    & skf21("3","1","4","3","3","4","5","1") = "4"
    & skf21("3","1","4","3","3","4","6","1") = "5"
    & skf21("3","1","4","3","3","4","7","1") = "6"
    & skf21("3","1","4","3","3","5","1","1") = "4"
    & skf21("3","1","4","3","3","5","2","1") = "4"
    & skf21("3","1","4","3","3","5","3","1") = "4"
    & skf21("3","1","4","3","3","5","4","1") = "4"
    & skf21("3","1","4","3","3","5","5","1") = "4"
    & skf21("3","1","4","3","3","5","6","1") = "5"
    & skf21("3","1","4","3","3","5","7","1") = "6"
    & skf21("3","1","4","3","3","6","1","1") = "5"
    & skf21("3","1","4","3","3","6","2","1") = "5"
    & skf21("3","1","4","3","3","6","3","1") = "5"
    & skf21("3","1","4","3","3","6","4","1") = "5"
    & skf21("3","1","4","3","3","6","5","1") = "5"
    & skf21("3","1","4","3","3","6","6","1") = "5"
    & skf21("3","1","4","3","3","6","7","1") = "6"
    & skf21("3","1","4","3","3","7","1","1") = "6"
    & skf21("3","1","4","3","3","7","2","1") = "6"
    & skf21("3","1","4","3","3","7","3","1") = "6"
    & skf21("3","1","4","3","3","7","4","1") = "6"
    & skf21("3","1","4","3","3","7","5","1") = "6"
    & skf21("3","1","4","3","3","7","6","1") = "6"
    & skf21("3","1","4","3","3","7","7","1") = "6"
    & skf21("3","1","4","3","4","1","1","1") = "3"
    & skf21("3","1","4","3","4","1","2","1") = "3"
    & skf21("3","1","4","3","4","1","3","1") = "3"
    & skf21("3","1","4","3","4","1","4","1") = "3"
    & skf21("3","1","4","3","4","1","5","1") = "4"
    & skf21("3","1","4","3","4","1","6","1") = "5"
    & skf21("3","1","4","3","4","1","7","1") = "6"
    & skf21("3","1","4","3","4","2","1","1") = "3"
    & skf21("3","1","4","3","4","2","2","1") = "3"
    & skf21("3","1","4","3","4","2","3","1") = "5"
    & skf21("3","1","4","3","4","2","4","1") = "3"
    & skf21("3","1","4","3","4","2","5","1") = "4"
    & skf21("3","1","4","3","4","2","6","1") = "5"
    & skf21("3","1","4","3","4","2","7","1") = "6"
    & skf21("3","1","4","3","4","3","1","1") = "3"
    & skf21("3","1","4","3","4","3","2","1") = "3"
    & skf21("3","1","4","3","4","3","3","1") = "3"
    & skf21("3","1","4","3","4","3","4","1") = "3"
    & skf21("3","1","4","3","4","3","5","1") = "4"
    & skf21("3","1","4","3","4","3","6","1") = "5"
    & skf21("3","1","4","3","4","3","7","1") = "6"
    & skf21("3","1","4","3","4","4","1","1") = "3"
    & skf21("3","1","4","3","4","4","2","1") = "3"
    & skf21("3","1","4","3","4","4","3","1") = "3"
    & skf21("3","1","4","3","4","4","4","1") = "3"
    & skf21("3","1","4","3","4","4","5","1") = "4"
    & skf21("3","1","4","3","4","4","6","1") = "5"
    & skf21("3","1","4","3","4","4","7","1") = "6"
    & skf21("3","1","4","3","4","5","1","1") = "4"
    & skf21("3","1","4","3","4","5","2","1") = "4"
    & skf21("3","1","4","3","4","5","3","1") = "4"
    & skf21("3","1","4","3","4","5","4","1") = "4"
    & skf21("3","1","4","3","4","5","5","1") = "4"
    & skf21("3","1","4","3","4","5","6","1") = "5"
    & skf21("3","1","4","3","4","5","7","1") = "6"
    & skf21("3","1","4","3","4","6","1","1") = "5"
    & skf21("3","1","4","3","4","6","2","1") = "5"
    & skf21("3","1","4","3","4","6","3","1") = "5"
    & skf21("3","1","4","3","4","6","4","1") = "5"
    & skf21("3","1","4","3","4","6","5","1") = "5"
    & skf21("3","1","4","3","4","6","6","1") = "5"
    & skf21("3","1","4","3","4","6","7","1") = "6"
    & skf21("3","1","4","3","4","7","1","1") = "6"
    & skf21("3","1","4","3","4","7","2","1") = "6"
    & skf21("3","1","4","3","4","7","3","1") = "6"
    & skf21("3","1","4","3","4","7","4","1") = "6"
    & skf21("3","1","4","3","4","7","5","1") = "6"
    & skf21("3","1","4","3","4","7","6","1") = "6"
    & skf21("3","1","4","3","4","7","7","1") = "6"
    & skf21("3","1","4","3","5","1","1","1") = "4"
    & skf21("3","1","4","3","5","1","2","1") = "4"
    & skf21("3","1","4","3","5","1","3","1") = "4"
    & skf21("3","1","4","3","5","1","4","1") = "4"
    & skf21("3","1","4","3","5","1","5","1") = "4"
    & skf21("3","1","4","3","5","1","6","1") = "5"
    & skf21("3","1","4","3","5","1","7","1") = "6"
    & skf21("3","1","4","3","5","2","1","1") = "4"
    & skf21("3","1","4","3","5","2","2","1") = "4"
    & skf21("3","1","4","3","5","2","3","1") = "4"
    & skf21("3","1","4","3","5","2","4","1") = "4"
    & skf21("3","1","4","3","5","2","5","1") = "4"
    & skf21("3","1","4","3","5","2","6","1") = "5"
    & skf21("3","1","4","3","5","2","7","1") = "6"
    & skf21("3","1","4","3","5","3","1","1") = "4"
    & skf21("3","1","4","3","5","3","2","1") = "4"
    & skf21("3","1","4","3","5","3","3","1") = "4"
    & skf21("3","1","4","3","5","3","4","1") = "4"
    & skf21("3","1","4","3","5","3","5","1") = "4"
    & skf21("3","1","4","3","5","3","6","1") = "5"
    & skf21("3","1","4","3","5","3","7","1") = "6"
    & skf21("3","1","4","3","5","4","1","1") = "4"
    & skf21("3","1","4","3","5","4","2","1") = "4"
    & skf21("3","1","4","3","5","4","3","1") = "4"
    & skf21("3","1","4","3","5","4","4","1") = "4"
    & skf21("3","1","4","3","5","4","5","1") = "4"
    & skf21("3","1","4","3","5","4","6","1") = "5"
    & skf21("3","1","4","3","5","4","7","1") = "6"
    & skf21("3","1","4","3","5","5","1","1") = "4"
    & skf21("3","1","4","3","5","5","2","1") = "4"
    & skf21("3","1","4","3","5","5","3","1") = "4"
    & skf21("3","1","4","3","5","5","4","1") = "4"
    & skf21("3","1","4","3","5","5","5","1") = "4"
    & skf21("3","1","4","3","5","5","6","1") = "5"
    & skf21("3","1","4","3","5","5","7","1") = "6"
    & skf21("3","1","4","3","5","6","1","1") = "5"
    & skf21("3","1","4","3","5","6","2","1") = "5"
    & skf21("3","1","4","3","5","6","3","1") = "5"
    & skf21("3","1","4","3","5","6","4","1") = "5"
    & skf21("3","1","4","3","5","6","5","1") = "5"
    & skf21("3","1","4","3","5","6","6","1") = "5"
    & skf21("3","1","4","3","5","6","7","1") = "6"
    & skf21("3","1","4","3","5","7","1","1") = "6"
    & skf21("3","1","4","3","5","7","2","1") = "6"
    & skf21("3","1","4","3","5","7","3","1") = "6"
    & skf21("3","1","4","3","5","7","4","1") = "6"
    & skf21("3","1","4","3","5","7","5","1") = "6"
    & skf21("3","1","4","3","5","7","6","1") = "6"
    & skf21("3","1","4","3","5","7","7","1") = "6"
    & skf21("3","1","4","3","6","1","1","1") = "5"
    & skf21("3","1","4","3","6","1","2","1") = "5"
    & skf21("3","1","4","3","6","1","3","1") = "5"
    & skf21("3","1","4","3","6","1","4","1") = "5"
    & skf21("3","1","4","3","6","1","5","1") = "5"
    & skf21("3","1","4","3","6","1","6","1") = "5"
    & skf21("3","1","4","3","6","1","7","1") = "6"
    & skf21("3","1","4","3","6","2","1","1") = "5"
    & skf21("3","1","4","3","6","2","2","1") = "5"
    & skf21("3","1","4","3","6","2","3","1") = "5"
    & skf21("3","1","4","3","6","2","4","1") = "5"
    & skf21("3","1","4","3","6","2","5","1") = "5"
    & skf21("3","1","4","3","6","2","6","1") = "5"
    & skf21("3","1","4","3","6","2","7","1") = "6"
    & skf21("3","1","4","3","6","3","1","1") = "5"
    & skf21("3","1","4","3","6","3","2","1") = "5"
    & skf21("3","1","4","3","6","3","3","1") = "5"
    & skf21("3","1","4","3","6","3","4","1") = "5"
    & skf21("3","1","4","3","6","3","5","1") = "5"
    & skf21("3","1","4","3","6","3","6","1") = "5"
    & skf21("3","1","4","3","6","3","7","1") = "6"
    & skf21("3","1","4","3","6","4","1","1") = "5"
    & skf21("3","1","4","3","6","4","2","1") = "5"
    & skf21("3","1","4","3","6","4","3","1") = "5"
    & skf21("3","1","4","3","6","4","4","1") = "5"
    & skf21("3","1","4","3","6","4","5","1") = "5"
    & skf21("3","1","4","3","6","4","6","1") = "5"
    & skf21("3","1","4","3","6","4","7","1") = "6"
    & skf21("3","1","4","3","6","5","1","1") = "5"
    & skf21("3","1","4","3","6","5","2","1") = "5"
    & skf21("3","1","4","3","6","5","3","1") = "5"
    & skf21("3","1","4","3","6","5","4","1") = "5"
    & skf21("3","1","4","3","6","5","5","1") = "5"
    & skf21("3","1","4","3","6","5","6","1") = "5"
    & skf21("3","1","4","3","6","5","7","1") = "6"
    & skf21("3","1","4","3","6","6","1","1") = "5"
    & skf21("3","1","4","3","6","6","2","1") = "5"
    & skf21("3","1","4","3","6","6","3","1") = "5"
    & skf21("3","1","4","3","6","6","4","1") = "5"
    & skf21("3","1","4","3","6","6","5","1") = "5"
    & skf21("3","1","4","3","6","6","6","1") = "5"
    & skf21("3","1","4","3","6","6","7","1") = "6"
    & skf21("3","1","4","3","6","7","1","1") = "6"
    & skf21("3","1","4","3","6","7","2","1") = "6"
    & skf21("3","1","4","3","6","7","3","1") = "6"
    & skf21("3","1","4","3","6","7","4","1") = "6"
    & skf21("3","1","4","3","6","7","5","1") = "6"
    & skf21("3","1","4","3","6","7","6","1") = "6"
    & skf21("3","1","4","3","6","7","7","1") = "6"
    & skf21("3","1","4","3","7","1","1","1") = "6"
    & skf21("3","1","4","3","7","1","2","1") = "6"
    & skf21("3","1","4","3","7","1","3","1") = "6"
    & skf21("3","1","4","3","7","1","4","1") = "6"
    & skf21("3","1","4","3","7","1","5","1") = "6"
    & skf21("3","1","4","3","7","1","6","1") = "6"
    & skf21("3","1","4","3","7","1","7","1") = "6"
    & skf21("3","1","4","3","7","2","1","1") = "6"
    & skf21("3","1","4","3","7","2","2","1") = "6"
    & skf21("3","1","4","3","7","2","3","1") = "6"
    & skf21("3","1","4","3","7","2","4","1") = "6"
    & skf21("3","1","4","3","7","2","5","1") = "6"
    & skf21("3","1","4","3","7","2","6","1") = "6"
    & skf21("3","1","4","3","7","2","7","1") = "6"
    & skf21("3","1","4","3","7","3","1","1") = "6"
    & skf21("3","1","4","3","7","3","2","1") = "6"
    & skf21("3","1","4","3","7","3","3","1") = "6"
    & skf21("3","1","4","3","7","3","4","1") = "6"
    & skf21("3","1","4","3","7","3","5","1") = "6"
    & skf21("3","1","4","3","7","3","6","1") = "6"
    & skf21("3","1","4","3","7","3","7","1") = "6"
    & skf21("3","1","4","3","7","4","1","1") = "6"
    & skf21("3","1","4","3","7","4","2","1") = "6"
    & skf21("3","1","4","3","7","4","3","1") = "6"
    & skf21("3","1","4","3","7","4","4","1") = "6"
    & skf21("3","1","4","3","7","4","5","1") = "6"
    & skf21("3","1","4","3","7","4","6","1") = "6"
    & skf21("3","1","4","3","7","4","7","1") = "6"
    & skf21("3","1","4","3","7","5","1","1") = "6"
    & skf21("3","1","4","3","7","5","2","1") = "6"
    & skf21("3","1","4","3","7","5","3","1") = "6"
    & skf21("3","1","4","3","7","5","4","1") = "6"
    & skf21("3","1","4","3","7","5","5","1") = "6"
    & skf21("3","1","4","3","7","5","6","1") = "6"
    & skf21("3","1","4","3","7","5","7","1") = "6"
    & skf21("3","1","4","3","7","6","1","1") = "6"
    & skf21("3","1","4","3","7","6","2","1") = "6"
    & skf21("3","1","4","3","7","6","3","1") = "6"
    & skf21("3","1","4","3","7","6","4","1") = "6"
    & skf21("3","1","4","3","7","6","5","1") = "6"
    & skf21("3","1","4","3","7","6","6","1") = "6"
    & skf21("3","1","4","3","7","6","7","1") = "6"
    & skf21("3","1","4","3","7","7","1","1") = "6"
    & skf21("3","1","4","3","7","7","2","1") = "6"
    & skf21("3","1","4","3","7","7","3","1") = "6"
    & skf21("3","1","4","3","7","7","4","1") = "6"
    & skf21("3","1","4","3","7","7","5","1") = "6"
    & skf21("3","1","4","3","7","7","6","1") = "6"
    & skf21("3","1","4","3","7","7","7","1") = "6"
    & skf21("3","1","4","4","1","1","1","1") = "3"
    & skf21("3","1","4","4","1","1","2","1") = "3"
    & skf21("3","1","4","4","1","1","3","1") = "3"
    & skf21("3","1","4","4","1","1","4","1") = "3"
    & skf21("3","1","4","4","1","1","5","1") = "4"
    & skf21("3","1","4","4","1","1","6","1") = "5"
    & skf21("3","1","4","4","1","1","7","1") = "6"
    & skf21("3","1","4","4","1","2","1","1") = "3"
    & skf21("3","1","4","4","1","2","2","1") = "3"
    & skf21("3","1","4","4","1","2","3","1") = "3"
    & skf21("3","1","4","4","1","2","4","1") = "3"
    & skf21("3","1","4","4","1","2","5","1") = "4"
    & skf21("3","1","4","4","1","2","6","1") = "5"
    & skf21("3","1","4","4","1","2","7","1") = "6"
    & skf21("3","1","4","4","1","3","1","1") = "3"
    & skf21("3","1","4","4","1","3","2","1") = "3"
    & skf21("3","1","4","4","1","3","3","1") = "3"
    & skf21("3","1","4","4","1","3","4","1") = "3"
    & skf21("3","1","4","4","1","3","5","1") = "4"
    & skf21("3","1","4","4","1","3","6","1") = "5"
    & skf21("3","1","4","4","1","3","7","1") = "6"
    & skf21("3","1","4","4","1","4","1","1") = "3"
    & skf21("3","1","4","4","1","4","2","1") = "3"
    & skf21("3","1","4","4","1","4","3","1") = "3"
    & skf21("3","1","4","4","1","4","4","1") = "3"
    & skf21("3","1","4","4","1","4","5","1") = "4"
    & skf21("3","1","4","4","1","4","6","1") = "5"
    & skf21("3","1","4","4","1","4","7","1") = "6"
    & skf21("3","1","4","4","1","5","1","1") = "4"
    & skf21("3","1","4","4","1","5","2","1") = "4"
    & skf21("3","1","4","4","1","5","3","1") = "4"
    & skf21("3","1","4","4","1","5","4","1") = "4"
    & skf21("3","1","4","4","1","5","5","1") = "4"
    & skf21("3","1","4","4","1","5","6","1") = "5"
    & skf21("3","1","4","4","1","5","7","1") = "6"
    & skf21("3","1","4","4","1","6","1","1") = "5"
    & skf21("3","1","4","4","1","6","2","1") = "5"
    & skf21("3","1","4","4","1","6","3","1") = "5"
    & skf21("3","1","4","4","1","6","4","1") = "5"
    & skf21("3","1","4","4","1","6","5","1") = "5"
    & skf21("3","1","4","4","1","6","6","1") = "5"
    & skf21("3","1","4","4","1","6","7","1") = "6"
    & skf21("3","1","4","4","1","7","1","1") = "6"
    & skf21("3","1","4","4","1","7","2","1") = "6"
    & skf21("3","1","4","4","1","7","3","1") = "6"
    & skf21("3","1","4","4","1","7","4","1") = "6"
    & skf21("3","1","4","4","1","7","5","1") = "6"
    & skf21("3","1","4","4","1","7","6","1") = "6"
    & skf21("3","1","4","4","1","7","7","1") = "6"
    & skf21("3","1","4","4","2","1","1","1") = "3"
    & skf21("3","1","4","4","2","1","2","1") = "3"
    & skf21("3","1","4","4","2","1","3","1") = "3"
    & skf21("3","1","4","4","2","1","4","1") = "3"
    & skf21("3","1","4","4","2","1","5","1") = "4"
    & skf21("3","1","4","4","2","1","6","1") = "5"
    & skf21("3","1","4","4","2","1","7","1") = "6"
    & skf21("3","1","4","4","2","2","1","1") = "3"
    & skf21("3","1","4","4","2","2","2","1") = "3"
    & skf21("3","1","4","4","2","2","3","1") = "3"
    & skf21("3","1","4","4","2","2","4","1") = "3"
    & skf21("3","1","4","4","2","2","5","1") = "4"
    & skf21("3","1","4","4","2","2","6","1") = "5"
    & skf21("3","1","4","4","2","2","7","1") = "6"
    & skf21("3","1","4","4","2","3","1","1") = "3"
    & skf21("3","1","4","4","2","3","2","1") = "3"
    & skf21("3","1","4","4","2","3","3","1") = "3"
    & skf21("3","1","4","4","2","3","4","1") = "3"
    & skf21("3","1","4","4","2","3","5","1") = "4"
    & skf21("3","1","4","4","2","3","6","1") = "5"
    & skf21("3","1","4","4","2","3","7","1") = "6"
    & skf21("3","1","4","4","2","4","1","1") = "3"
    & skf21("3","1","4","4","2","4","2","1") = "3"
    & skf21("3","1","4","4","2","4","3","1") = "3"
    & skf21("3","1","4","4","2","4","4","1") = "3"
    & skf21("3","1","4","4","2","4","5","1") = "4"
    & skf21("3","1","4","4","2","4","6","1") = "5"
    & skf21("3","1","4","4","2","4","7","1") = "6"
    & skf21("3","1","4","4","2","5","1","1") = "4"
    & skf21("3","1","4","4","2","5","2","1") = "4"
    & skf21("3","1","4","4","2","5","3","1") = "4"
    & skf21("3","1","4","4","2","5","4","1") = "4"
    & skf21("3","1","4","4","2","5","5","1") = "4"
    & skf21("3","1","4","4","2","5","6","1") = "5"
    & skf21("3","1","4","4","2","5","7","1") = "6"
    & skf21("3","1","4","4","2","6","1","1") = "5"
    & skf21("3","1","4","4","2","6","2","1") = "5"
    & skf21("3","1","4","4","2","6","3","1") = "5"
    & skf21("3","1","4","4","2","6","4","1") = "5"
    & skf21("3","1","4","4","2","6","5","1") = "5"
    & skf21("3","1","4","4","2","6","6","1") = "5"
    & skf21("3","1","4","4","2","6","7","1") = "6"
    & skf21("3","1","4","4","2","7","1","1") = "6"
    & skf21("3","1","4","4","2","7","2","1") = "6"
    & skf21("3","1","4","4","2","7","3","1") = "6"
    & skf21("3","1","4","4","2","7","4","1") = "6"
    & skf21("3","1","4","4","2","7","5","1") = "6"
    & skf21("3","1","4","4","2","7","6","1") = "6"
    & skf21("3","1","4","4","2","7","7","1") = "6"
    & skf21("3","1","4","4","3","1","1","1") = "3"
    & skf21("3","1","4","4","3","1","2","1") = "3"
    & skf21("3","1","4","4","3","1","3","1") = "3"
    & skf21("3","1","4","4","3","1","4","1") = "3"
    & skf21("3","1","4","4","3","1","5","1") = "4"
    & skf21("3","1","4","4","3","1","6","1") = "5"
    & skf21("3","1","4","4","3","1","7","1") = "6"
    & skf21("3","1","4","4","3","2","1","1") = "3"
    & skf21("3","1","4","4","3","2","2","1") = "3"
    & skf21("3","1","4","4","3","2","3","1") = "3"
    & skf21("3","1","4","4","3","2","4","1") = "3"
    & skf21("3","1","4","4","3","2","5","1") = "4"
    & skf21("3","1","4","4","3","2","6","1") = "5"
    & skf21("3","1","4","4","3","2","7","1") = "6"
    & skf21("3","1","4","4","3","3","1","1") = "3"
    & skf21("3","1","4","4","3","3","2","1") = "3"
    & skf21("3","1","4","4","3","3","3","1") = "3"
    & skf21("3","1","4","4","3","3","4","1") = "3"
    & skf21("3","1","4","4","3","3","5","1") = "4"
    & skf21("3","1","4","4","3","3","6","1") = "5"
    & skf21("3","1","4","4","3","3","7","1") = "6"
    & skf21("3","1","4","4","3","4","1","1") = "3"
    & skf21("3","1","4","4","3","4","2","1") = "3"
    & skf21("3","1","4","4","3","4","3","1") = "3"
    & skf21("3","1","4","4","3","4","4","1") = "3"
    & skf21("3","1","4","4","3","4","5","1") = "4"
    & skf21("3","1","4","4","3","4","6","1") = "5"
    & skf21("3","1","4","4","3","4","7","1") = "6"
    & skf21("3","1","4","4","3","5","1","1") = "4"
    & skf21("3","1","4","4","3","5","2","1") = "4"
    & skf21("3","1","4","4","3","5","3","1") = "4"
    & skf21("3","1","4","4","3","5","4","1") = "4"
    & skf21("3","1","4","4","3","5","5","1") = "4"
    & skf21("3","1","4","4","3","5","6","1") = "5"
    & skf21("3","1","4","4","3","5","7","1") = "6"
    & skf21("3","1","4","4","3","6","1","1") = "5"
    & skf21("3","1","4","4","3","6","2","1") = "5"
    & skf21("3","1","4","4","3","6","3","1") = "5"
    & skf21("3","1","4","4","3","6","4","1") = "5"
    & skf21("3","1","4","4","3","6","5","1") = "5"
    & skf21("3","1","4","4","3","6","6","1") = "5"
    & skf21("3","1","4","4","3","6","7","1") = "6"
    & skf21("3","1","4","4","3","7","1","1") = "6"
    & skf21("3","1","4","4","3","7","2","1") = "6"
    & skf21("3","1","4","4","3","7","3","1") = "6"
    & skf21("3","1","4","4","3","7","4","1") = "6"
    & skf21("3","1","4","4","3","7","5","1") = "6"
    & skf21("3","1","4","4","3","7","6","1") = "6"
    & skf21("3","1","4","4","3","7","7","1") = "6"
    & skf21("3","1","4","4","4","1","1","1") = "3"
    & skf21("3","1","4","4","4","1","2","1") = "3"
    & skf21("3","1","4","4","4","1","3","1") = "3"
    & skf21("3","1","4","4","4","1","4","1") = "3"
    & skf21("3","1","4","4","4","1","5","1") = "4"
    & skf21("3","1","4","4","4","1","6","1") = "5"
    & skf21("3","1","4","4","4","1","7","1") = "6"
    & skf21("3","1","4","4","4","2","1","1") = "3"
    & skf21("3","1","4","4","4","2","2","1") = "3"
    & skf21("3","1","4","4","4","2","3","1") = "3"
    & skf21("3","1","4","4","4","2","4","1") = "3"
    & skf21("3","1","4","4","4","2","5","1") = "4"
    & skf21("3","1","4","4","4","2","6","1") = "5"
    & skf21("3","1","4","4","4","2","7","1") = "6"
    & skf21("3","1","4","4","4","3","1","1") = "3"
    & skf21("3","1","4","4","4","3","2","1") = "3"
    & skf21("3","1","4","4","4","3","3","1") = "3"
    & skf21("3","1","4","4","4","3","4","1") = "3"
    & skf21("3","1","4","4","4","3","5","1") = "4"
    & skf21("3","1","4","4","4","3","6","1") = "5"
    & skf21("3","1","4","4","4","3","7","1") = "6"
    & skf21("3","1","4","4","4","4","1","1") = "3"
    & skf21("3","1","4","4","4","4","2","1") = "3"
    & skf21("3","1","4","4","4","4","3","1") = "3"
    & skf21("3","1","4","4","4","4","4","1") = "3"
    & skf21("3","1","4","4","4","4","5","1") = "4"
    & skf21("3","1","4","4","4","4","6","1") = "5"
    & skf21("3","1","4","4","4","4","7","1") = "6"
    & skf21("3","1","4","4","4","5","1","1") = "4"
    & skf21("3","1","4","4","4","5","2","1") = "4"
    & skf21("3","1","4","4","4","5","3","1") = "4"
    & skf21("3","1","4","4","4","5","4","1") = "4"
    & skf21("3","1","4","4","4","5","5","1") = "4"
    & skf21("3","1","4","4","4","5","6","1") = "5"
    & skf21("3","1","4","4","4","5","7","1") = "6"
    & skf21("3","1","4","4","4","6","1","1") = "5"
    & skf21("3","1","4","4","4","6","2","1") = "5"
    & skf21("3","1","4","4","4","6","3","1") = "5"
    & skf21("3","1","4","4","4","6","4","1") = "5"
    & skf21("3","1","4","4","4","6","5","1") = "5"
    & skf21("3","1","4","4","4","6","6","1") = "5"
    & skf21("3","1","4","4","4","6","7","1") = "6"
    & skf21("3","1","4","4","4","7","1","1") = "6"
    & skf21("3","1","4","4","4","7","2","1") = "6"
    & skf21("3","1","4","4","4","7","3","1") = "6"
    & skf21("3","1","4","4","4","7","4","1") = "6"
    & skf21("3","1","4","4","4","7","5","1") = "6"
    & skf21("3","1","4","4","4","7","6","1") = "6"
    & skf21("3","1","4","4","4","7","7","1") = "6"
    & skf21("3","1","4","4","5","1","1","1") = "4"
    & skf21("3","1","4","4","5","1","2","1") = "4"
    & skf21("3","1","4","4","5","1","3","1") = "4"
    & skf21("3","1","4","4","5","1","4","1") = "4"
    & skf21("3","1","4","4","5","1","5","1") = "4"
    & skf21("3","1","4","4","5","1","6","1") = "5"
    & skf21("3","1","4","4","5","1","7","1") = "6"
    & skf21("3","1","4","4","5","2","1","1") = "4"
    & skf21("3","1","4","4","5","2","2","1") = "4"
    & skf21("3","1","4","4","5","2","3","1") = "4"
    & skf21("3","1","4","4","5","2","4","1") = "4"
    & skf21("3","1","4","4","5","2","5","1") = "4"
    & skf21("3","1","4","4","5","2","6","1") = "5"
    & skf21("3","1","4","4","5","2","7","1") = "6"
    & skf21("3","1","4","4","5","3","1","1") = "4"
    & skf21("3","1","4","4","5","3","2","1") = "4"
    & skf21("3","1","4","4","5","3","3","1") = "4"
    & skf21("3","1","4","4","5","3","4","1") = "4"
    & skf21("3","1","4","4","5","3","5","1") = "4"
    & skf21("3","1","4","4","5","3","6","1") = "5"
    & skf21("3","1","4","4","5","3","7","1") = "6"
    & skf21("3","1","4","4","5","4","1","1") = "4"
    & skf21("3","1","4","4","5","4","2","1") = "4"
    & skf21("3","1","4","4","5","4","3","1") = "4"
    & skf21("3","1","4","4","5","4","4","1") = "4"
    & skf21("3","1","4","4","5","4","5","1") = "4"
    & skf21("3","1","4","4","5","4","6","1") = "5"
    & skf21("3","1","4","4","5","4","7","1") = "6"
    & skf21("3","1","4","4","5","5","1","1") = "4"
    & skf21("3","1","4","4","5","5","2","1") = "4"
    & skf21("3","1","4","4","5","5","3","1") = "4"
    & skf21("3","1","4","4","5","5","4","1") = "4"
    & skf21("3","1","4","4","5","5","5","1") = "4"
    & skf21("3","1","4","4","5","5","6","1") = "5"
    & skf21("3","1","4","4","5","5","7","1") = "6"
    & skf21("3","1","4","4","5","6","1","1") = "5"
    & skf21("3","1","4","4","5","6","2","1") = "5"
    & skf21("3","1","4","4","5","6","3","1") = "5"
    & skf21("3","1","4","4","5","6","4","1") = "5"
    & skf21("3","1","4","4","5","6","5","1") = "5"
    & skf21("3","1","4","4","5","6","6","1") = "5"
    & skf21("3","1","4","4","5","6","7","1") = "6"
    & skf21("3","1","4","4","5","7","1","1") = "6"
    & skf21("3","1","4","4","5","7","2","1") = "6"
    & skf21("3","1","4","4","5","7","3","1") = "6"
    & skf21("3","1","4","4","5","7","4","1") = "6"
    & skf21("3","1","4","4","5","7","5","1") = "6"
    & skf21("3","1","4","4","5","7","6","1") = "6"
    & skf21("3","1","4","4","5","7","7","1") = "6"
    & skf21("3","1","4","4","6","1","1","1") = "5"
    & skf21("3","1","4","4","6","1","2","1") = "5"
    & skf21("3","1","4","4","6","1","3","1") = "5"
    & skf21("3","1","4","4","6","1","4","1") = "5"
    & skf21("3","1","4","4","6","1","5","1") = "5"
    & skf21("3","1","4","4","6","1","6","1") = "5"
    & skf21("3","1","4","4","6","1","7","1") = "6"
    & skf21("3","1","4","4","6","2","1","1") = "5"
    & skf21("3","1","4","4","6","2","2","1") = "5"
    & skf21("3","1","4","4","6","2","3","1") = "5"
    & skf21("3","1","4","4","6","2","4","1") = "5"
    & skf21("3","1","4","4","6","2","5","1") = "5"
    & skf21("3","1","4","4","6","2","6","1") = "5"
    & skf21("3","1","4","4","6","2","7","1") = "6"
    & skf21("3","1","4","4","6","3","1","1") = "5"
    & skf21("3","1","4","4","6","3","2","1") = "5"
    & skf21("3","1","4","4","6","3","3","1") = "5"
    & skf21("3","1","4","4","6","3","4","1") = "5"
    & skf21("3","1","4","4","6","3","5","1") = "5"
    & skf21("3","1","4","4","6","3","6","1") = "5"
    & skf21("3","1","4","4","6","3","7","1") = "6"
    & skf21("3","1","4","4","6","4","1","1") = "5"
    & skf21("3","1","4","4","6","4","2","1") = "5"
    & skf21("3","1","4","4","6","4","3","1") = "5"
    & skf21("3","1","4","4","6","4","4","1") = "5"
    & skf21("3","1","4","4","6","4","5","1") = "5"
    & skf21("3","1","4","4","6","4","6","1") = "5"
    & skf21("3","1","4","4","6","4","7","1") = "6"
    & skf21("3","1","4","4","6","5","1","1") = "5"
    & skf21("3","1","4","4","6","5","2","1") = "5"
    & skf21("3","1","4","4","6","5","3","1") = "5"
    & skf21("3","1","4","4","6","5","4","1") = "5"
    & skf21("3","1","4","4","6","5","5","1") = "5"
    & skf21("3","1","4","4","6","5","6","1") = "5"
    & skf21("3","1","4","4","6","5","7","1") = "6"
    & skf21("3","1","4","4","6","6","1","1") = "5"
    & skf21("3","1","4","4","6","6","2","1") = "5"
    & skf21("3","1","4","4","6","6","3","1") = "5"
    & skf21("3","1","4","4","6","6","4","1") = "5"
    & skf21("3","1","4","4","6","6","5","1") = "5"
    & skf21("3","1","4","4","6","6","6","1") = "5"
    & skf21("3","1","4","4","6","6","7","1") = "6"
    & skf21("3","1","4","4","6","7","1","1") = "6"
    & skf21("3","1","4","4","6","7","2","1") = "6"
    & skf21("3","1","4","4","6","7","3","1") = "6"
    & skf21("3","1","4","4","6","7","4","1") = "6"
    & skf21("3","1","4","4","6","7","5","1") = "6"
    & skf21("3","1","4","4","6","7","6","1") = "6"
    & skf21("3","1","4","4","6","7","7","1") = "6"
    & skf21("3","1","4","4","7","1","1","1") = "6"
    & skf21("3","1","4","4","7","1","2","1") = "6"
    & skf21("3","1","4","4","7","1","3","1") = "6"
    & skf21("3","1","4","4","7","1","4","1") = "6"
    & skf21("3","1","4","4","7","1","5","1") = "6"
    & skf21("3","1","4","4","7","1","6","1") = "6"
    & skf21("3","1","4","4","7","1","7","1") = "6"
    & skf21("3","1","4","4","7","2","1","1") = "6"
    & skf21("3","1","4","4","7","2","2","1") = "6"
    & skf21("3","1","4","4","7","2","3","1") = "6"
    & skf21("3","1","4","4","7","2","4","1") = "6"
    & skf21("3","1","4","4","7","2","5","1") = "6"
    & skf21("3","1","4","4","7","2","6","1") = "6"
    & skf21("3","1","4","4","7","2","7","1") = "6"
    & skf21("3","1","4","4","7","3","1","1") = "6"
    & skf21("3","1","4","4","7","3","2","1") = "6"
    & skf21("3","1","4","4","7","3","3","1") = "6"
    & skf21("3","1","4","4","7","3","4","1") = "6"
    & skf21("3","1","4","4","7","3","5","1") = "6"
    & skf21("3","1","4","4","7","3","6","1") = "6"
    & skf21("3","1","4","4","7","3","7","1") = "6"
    & skf21("3","1","4","4","7","4","1","1") = "6"
    & skf21("3","1","4","4","7","4","2","1") = "6"
    & skf21("3","1","4","4","7","4","3","1") = "6"
    & skf21("3","1","4","4","7","4","4","1") = "6"
    & skf21("3","1","4","4","7","4","5","1") = "6"
    & skf21("3","1","4","4","7","4","6","1") = "6"
    & skf21("3","1","4","4","7","4","7","1") = "6"
    & skf21("3","1","4","4","7","5","1","1") = "6"
    & skf21("3","1","4","4","7","5","2","1") = "6"
    & skf21("3","1","4","4","7","5","3","1") = "6"
    & skf21("3","1","4","4","7","5","4","1") = "6"
    & skf21("3","1","4","4","7","5","5","1") = "6"
    & skf21("3","1","4","4","7","5","6","1") = "6"
    & skf21("3","1","4","4","7","5","7","1") = "6"
    & skf21("3","1","4","4","7","6","1","1") = "6"
    & skf21("3","1","4","4","7","6","2","1") = "6"
    & skf21("3","1","4","4","7","6","3","1") = "6"
    & skf21("3","1","4","4","7","6","4","1") = "6"
    & skf21("3","1","4","4","7","6","5","1") = "6"
    & skf21("3","1","4","4","7","6","6","1") = "6"
    & skf21("3","1","4","4","7","6","7","1") = "6"
    & skf21("3","1","4","4","7","7","1","1") = "6"
    & skf21("3","1","4","4","7","7","2","1") = "6"
    & skf21("3","1","4","4","7","7","3","1") = "6"
    & skf21("3","1","4","4","7","7","4","1") = "6"
    & skf21("3","1","4","4","7","7","5","1") = "6"
    & skf21("3","1","4","4","7","7","6","1") = "6"
    & skf21("3","1","4","4","7","7","7","1") = "6"
    & skf21("3","1","4","5","1","1","1","1") = "4"
    & skf21("3","1","4","5","1","1","2","1") = "4"
    & skf21("3","1","4","5","1","1","3","1") = "4"
    & skf21("3","1","4","5","1","1","4","1") = "4"
    & skf21("3","1","4","5","1","1","5","1") = "4"
    & skf21("3","1","4","5","1","1","6","1") = "5"
    & skf21("3","1","4","5","1","1","7","1") = "6"
    & skf21("3","1","4","5","1","2","1","1") = "4"
    & skf21("3","1","4","5","1","2","2","1") = "4"
    & skf21("3","1","4","5","1","2","3","1") = "4"
    & skf21("3","1","4","5","1","2","4","1") = "4"
    & skf21("3","1","4","5","1","2","5","1") = "4"
    & skf21("3","1","4","5","1","2","6","1") = "5"
    & skf21("3","1","4","5","1","2","7","1") = "6"
    & skf21("3","1","4","5","1","3","1","1") = "4"
    & skf21("3","1","4","5","1","3","2","1") = "4"
    & skf21("3","1","4","5","1","3","3","1") = "4"
    & skf21("3","1","4","5","1","3","4","1") = "4"
    & skf21("3","1","4","5","1","3","5","1") = "4"
    & skf21("3","1","4","5","1","3","6","1") = "5"
    & skf21("3","1","4","5","1","3","7","1") = "6"
    & skf21("3","1","4","5","1","4","1","1") = "4"
    & skf21("3","1","4","5","1","4","2","1") = "4"
    & skf21("3","1","4","5","1","4","3","1") = "4"
    & skf21("3","1","4","5","1","4","4","1") = "4"
    & skf21("3","1","4","5","1","4","5","1") = "4"
    & skf21("3","1","4","5","1","4","6","1") = "5"
    & skf21("3","1","4","5","1","4","7","1") = "6"
    & skf21("3","1","4","5","1","5","1","1") = "4"
    & skf21("3","1","4","5","1","5","2","1") = "4"
    & skf21("3","1","4","5","1","5","3","1") = "4"
    & skf21("3","1","4","5","1","5","4","1") = "4"
    & skf21("3","1","4","5","1","5","5","1") = "4"
    & skf21("3","1","4","5","1","5","6","1") = "5"
    & skf21("3","1","4","5","1","5","7","1") = "6"
    & skf21("3","1","4","5","1","6","1","1") = "5"
    & skf21("3","1","4","5","1","6","2","1") = "5"
    & skf21("3","1","4","5","1","6","3","1") = "5"
    & skf21("3","1","4","5","1","6","4","1") = "5"
    & skf21("3","1","4","5","1","6","5","1") = "5"
    & skf21("3","1","4","5","1","6","6","1") = "5"
    & skf21("3","1","4","5","1","6","7","1") = "6"
    & skf21("3","1","4","5","1","7","1","1") = "6"
    & skf21("3","1","4","5","1","7","2","1") = "6"
    & skf21("3","1","4","5","1","7","3","1") = "6"
    & skf21("3","1","4","5","1","7","4","1") = "6"
    & skf21("3","1","4","5","1","7","5","1") = "6"
    & skf21("3","1","4","5","1","7","6","1") = "6"
    & skf21("3","1","4","5","1","7","7","1") = "6"
    & skf21("3","1","4","5","2","1","1","1") = "4"
    & skf21("3","1","4","5","2","1","2","1") = "4"
    & skf21("3","1","4","5","2","1","3","1") = "4"
    & skf21("3","1","4","5","2","1","4","1") = "4"
    & skf21("3","1","4","5","2","1","5","1") = "4"
    & skf21("3","1","4","5","2","1","6","1") = "5"
    & skf21("3","1","4","5","2","1","7","1") = "6"
    & skf21("3","1","4","5","2","2","1","1") = "4"
    & skf21("3","1","4","5","2","2","2","1") = "4"
    & skf21("3","1","4","5","2","2","3","1") = "4"
    & skf21("3","1","4","5","2","2","4","1") = "4"
    & skf21("3","1","4","5","2","2","5","1") = "4"
    & skf21("3","1","4","5","2","2","6","1") = "5"
    & skf21("3","1","4","5","2","2","7","1") = "6"
    & skf21("3","1","4","5","2","3","1","1") = "4"
    & skf21("3","1","4","5","2","3","2","1") = "4"
    & skf21("3","1","4","5","2","3","3","1") = "4"
    & skf21("3","1","4","5","2","3","4","1") = "4"
    & skf21("3","1","4","5","2","3","5","1") = "4"
    & skf21("3","1","4","5","2","3","6","1") = "5"
    & skf21("3","1","4","5","2","3","7","1") = "6"
    & skf21("3","1","4","5","2","4","1","1") = "4"
    & skf21("3","1","4","5","2","4","2","1") = "4"
    & skf21("3","1","4","5","2","4","3","1") = "4"
    & skf21("3","1","4","5","2","4","4","1") = "4"
    & skf21("3","1","4","5","2","4","5","1") = "4"
    & skf21("3","1","4","5","2","4","6","1") = "5"
    & skf21("3","1","4","5","2","4","7","1") = "6"
    & skf21("3","1","4","5","2","5","1","1") = "4"
    & skf21("3","1","4","5","2","5","2","1") = "4"
    & skf21("3","1","4","5","2","5","3","1") = "4"
    & skf21("3","1","4","5","2","5","4","1") = "4"
    & skf21("3","1","4","5","2","5","5","1") = "4"
    & skf21("3","1","4","5","2","5","6","1") = "5"
    & skf21("3","1","4","5","2","5","7","1") = "6"
    & skf21("3","1","4","5","2","6","1","1") = "5"
    & skf21("3","1","4","5","2","6","2","1") = "5"
    & skf21("3","1","4","5","2","6","3","1") = "5"
    & skf21("3","1","4","5","2","6","4","1") = "5"
    & skf21("3","1","4","5","2","6","5","1") = "5"
    & skf21("3","1","4","5","2","6","6","1") = "5"
    & skf21("3","1","4","5","2","6","7","1") = "6"
    & skf21("3","1","4","5","2","7","1","1") = "6"
    & skf21("3","1","4","5","2","7","2","1") = "6"
    & skf21("3","1","4","5","2","7","3","1") = "6"
    & skf21("3","1","4","5","2","7","4","1") = "6"
    & skf21("3","1","4","5","2","7","5","1") = "6"
    & skf21("3","1","4","5","2","7","6","1") = "6"
    & skf21("3","1","4","5","2","7","7","1") = "6"
    & skf21("3","1","4","5","3","1","1","1") = "4"
    & skf21("3","1","4","5","3","1","2","1") = "4"
    & skf21("3","1","4","5","3","1","3","1") = "4"
    & skf21("3","1","4","5","3","1","4","1") = "4"
    & skf21("3","1","4","5","3","1","5","1") = "4"
    & skf21("3","1","4","5","3","1","6","1") = "5"
    & skf21("3","1","4","5","3","1","7","1") = "6"
    & skf21("3","1","4","5","3","2","1","1") = "4"
    & skf21("3","1","4","5","3","2","2","1") = "4"
    & skf21("3","1","4","5","3","2","3","1") = "4"
    & skf21("3","1","4","5","3","2","4","1") = "4"
    & skf21("3","1","4","5","3","2","5","1") = "4"
    & skf21("3","1","4","5","3","2","6","1") = "5"
    & skf21("3","1","4","5","3","2","7","1") = "6"
    & skf21("3","1","4","5","3","3","1","1") = "4"
    & skf21("3","1","4","5","3","3","2","1") = "4"
    & skf21("3","1","4","5","3","3","3","1") = "4"
    & skf21("3","1","4","5","3","3","4","1") = "4"
    & skf21("3","1","4","5","3","3","5","1") = "4"
    & skf21("3","1","4","5","3","3","6","1") = "5"
    & skf21("3","1","4","5","3","3","7","1") = "6"
    & skf21("3","1","4","5","3","4","1","1") = "4"
    & skf21("3","1","4","5","3","4","2","1") = "4"
    & skf21("3","1","4","5","3","4","3","1") = "4"
    & skf21("3","1","4","5","3","4","4","1") = "4"
    & skf21("3","1","4","5","3","4","5","1") = "4"
    & skf21("3","1","4","5","3","4","6","1") = "5"
    & skf21("3","1","4","5","3","4","7","1") = "6"
    & skf21("3","1","4","5","3","5","1","1") = "4"
    & skf21("3","1","4","5","3","5","2","1") = "4"
    & skf21("3","1","4","5","3","5","3","1") = "4"
    & skf21("3","1","4","5","3","5","4","1") = "4"
    & skf21("3","1","4","5","3","5","5","1") = "4"
    & skf21("3","1","4","5","3","5","6","1") = "5"
    & skf21("3","1","4","5","3","5","7","1") = "6"
    & skf21("3","1","4","5","3","6","1","1") = "5"
    & skf21("3","1","4","5","3","6","2","1") = "5"
    & skf21("3","1","4","5","3","6","3","1") = "5"
    & skf21("3","1","4","5","3","6","4","1") = "5"
    & skf21("3","1","4","5","3","6","5","1") = "5"
    & skf21("3","1","4","5","3","6","6","1") = "5"
    & skf21("3","1","4","5","3","6","7","1") = "6"
    & skf21("3","1","4","5","3","7","1","1") = "6"
    & skf21("3","1","4","5","3","7","2","1") = "6"
    & skf21("3","1","4","5","3","7","3","1") = "6"
    & skf21("3","1","4","5","3","7","4","1") = "6"
    & skf21("3","1","4","5","3","7","5","1") = "6"
    & skf21("3","1","4","5","3","7","6","1") = "6"
    & skf21("3","1","4","5","3","7","7","1") = "6"
    & skf21("3","1","4","5","4","1","1","1") = "4"
    & skf21("3","1","4","5","4","1","2","1") = "4"
    & skf21("3","1","4","5","4","1","3","1") = "4"
    & skf21("3","1","4","5","4","1","4","1") = "4"
    & skf21("3","1","4","5","4","1","5","1") = "4"
    & skf21("3","1","4","5","4","1","6","1") = "5"
    & skf21("3","1","4","5","4","1","7","1") = "6"
    & skf21("3","1","4","5","4","2","1","1") = "4"
    & skf21("3","1","4","5","4","2","2","1") = "4"
    & skf21("3","1","4","5","4","2","3","1") = "4"
    & skf21("3","1","4","5","4","2","4","1") = "4"
    & skf21("3","1","4","5","4","2","5","1") = "4"
    & skf21("3","1","4","5","4","2","6","1") = "5"
    & skf21("3","1","4","5","4","2","7","1") = "6"
    & skf21("3","1","4","5","4","3","1","1") = "4"
    & skf21("3","1","4","5","4","3","2","1") = "4"
    & skf21("3","1","4","5","4","3","3","1") = "4"
    & skf21("3","1","4","5","4","3","4","1") = "4"
    & skf21("3","1","4","5","4","3","5","1") = "4"
    & skf21("3","1","4","5","4","3","6","1") = "5"
    & skf21("3","1","4","5","4","3","7","1") = "6"
    & skf21("3","1","4","5","4","4","1","1") = "4"
    & skf21("3","1","4","5","4","4","2","1") = "4"
    & skf21("3","1","4","5","4","4","3","1") = "4"
    & skf21("3","1","4","5","4","4","4","1") = "4"
    & skf21("3","1","4","5","4","4","5","1") = "4"
    & skf21("3","1","4","5","4","4","6","1") = "5"
    & skf21("3","1","4","5","4","4","7","1") = "6"
    & skf21("3","1","4","5","4","5","1","1") = "4"
    & skf21("3","1","4","5","4","5","2","1") = "4"
    & skf21("3","1","4","5","4","5","3","1") = "4"
    & skf21("3","1","4","5","4","5","4","1") = "4"
    & skf21("3","1","4","5","4","5","5","1") = "4"
    & skf21("3","1","4","5","4","5","6","1") = "5"
    & skf21("3","1","4","5","4","5","7","1") = "6"
    & skf21("3","1","4","5","4","6","1","1") = "5"
    & skf21("3","1","4","5","4","6","2","1") = "5"
    & skf21("3","1","4","5","4","6","3","1") = "5"
    & skf21("3","1","4","5","4","6","4","1") = "5"
    & skf21("3","1","4","5","4","6","5","1") = "5"
    & skf21("3","1","4","5","4","6","6","1") = "5"
    & skf21("3","1","4","5","4","6","7","1") = "6"
    & skf21("3","1","4","5","4","7","1","1") = "6"
    & skf21("3","1","4","5","4","7","2","1") = "6"
    & skf21("3","1","4","5","4","7","3","1") = "6"
    & skf21("3","1","4","5","4","7","4","1") = "6"
    & skf21("3","1","4","5","4","7","5","1") = "6"
    & skf21("3","1","4","5","4","7","6","1") = "6"
    & skf21("3","1","4","5","4","7","7","1") = "6"
    & skf21("3","1","4","5","5","1","1","1") = "4"
    & skf21("3","1","4","5","5","1","2","1") = "4"
    & skf21("3","1","4","5","5","1","3","1") = "4"
    & skf21("3","1","4","5","5","1","4","1") = "4"
    & skf21("3","1","4","5","5","1","5","1") = "4"
    & skf21("3","1","4","5","5","1","6","1") = "5"
    & skf21("3","1","4","5","5","1","7","1") = "6"
    & skf21("3","1","4","5","5","2","1","1") = "4"
    & skf21("3","1","4","5","5","2","2","1") = "4"
    & skf21("3","1","4","5","5","2","3","1") = "4"
    & skf21("3","1","4","5","5","2","4","1") = "4"
    & skf21("3","1","4","5","5","2","5","1") = "4"
    & skf21("3","1","4","5","5","2","6","1") = "5"
    & skf21("3","1","4","5","5","2","7","1") = "6"
    & skf21("3","1","4","5","5","3","1","1") = "4"
    & skf21("3","1","4","5","5","3","2","1") = "4"
    & skf21("3","1","4","5","5","3","3","1") = "4"
    & skf21("3","1","4","5","5","3","4","1") = "4"
    & skf21("3","1","4","5","5","3","5","1") = "4"
    & skf21("3","1","4","5","5","3","6","1") = "5"
    & skf21("3","1","4","5","5","3","7","1") = "6"
    & skf21("3","1","4","5","5","4","1","1") = "4"
    & skf21("3","1","4","5","5","4","2","1") = "4"
    & skf21("3","1","4","5","5","4","3","1") = "4"
    & skf21("3","1","4","5","5","4","4","1") = "4"
    & skf21("3","1","4","5","5","4","5","1") = "4"
    & skf21("3","1","4","5","5","4","6","1") = "5"
    & skf21("3","1","4","5","5","4","7","1") = "6"
    & skf21("3","1","4","5","5","5","1","1") = "4"
    & skf21("3","1","4","5","5","5","2","1") = "4"
    & skf21("3","1","4","5","5","5","3","1") = "4"
    & skf21("3","1","4","5","5","5","4","1") = "4"
    & skf21("3","1","4","5","5","5","5","1") = "4"
    & skf21("3","1","4","5","5","5","6","1") = "5"
    & skf21("3","1","4","5","5","5","7","1") = "6"
    & skf21("3","1","4","5","5","6","1","1") = "5"
    & skf21("3","1","4","5","5","6","2","1") = "5"
    & skf21("3","1","4","5","5","6","3","1") = "5"
    & skf21("3","1","4","5","5","6","4","1") = "5"
    & skf21("3","1","4","5","5","6","5","1") = "5"
    & skf21("3","1","4","5","5","6","6","1") = "5"
    & skf21("3","1","4","5","5","6","7","1") = "6"
    & skf21("3","1","4","5","5","7","1","1") = "6"
    & skf21("3","1","4","5","5","7","2","1") = "6"
    & skf21("3","1","4","5","5","7","3","1") = "6"
    & skf21("3","1","4","5","5","7","4","1") = "6"
    & skf21("3","1","4","5","5","7","5","1") = "6"
    & skf21("3","1","4","5","5","7","6","1") = "6"
    & skf21("3","1","4","5","5","7","7","1") = "6"
    & skf21("3","1","4","5","6","1","1","1") = "5"
    & skf21("3","1","4","5","6","1","2","1") = "5"
    & skf21("3","1","4","5","6","1","3","1") = "5"
    & skf21("3","1","4","5","6","1","4","1") = "5"
    & skf21("3","1","4","5","6","1","5","1") = "5"
    & skf21("3","1","4","5","6","1","6","1") = "5"
    & skf21("3","1","4","5","6","1","7","1") = "6"
    & skf21("3","1","4","5","6","2","1","1") = "5"
    & skf21("3","1","4","5","6","2","2","1") = "5"
    & skf21("3","1","4","5","6","2","3","1") = "5"
    & skf21("3","1","4","5","6","2","4","1") = "5"
    & skf21("3","1","4","5","6","2","5","1") = "5"
    & skf21("3","1","4","5","6","2","6","1") = "5"
    & skf21("3","1","4","5","6","2","7","1") = "6"
    & skf21("3","1","4","5","6","3","1","1") = "5"
    & skf21("3","1","4","5","6","3","2","1") = "5"
    & skf21("3","1","4","5","6","3","3","1") = "5"
    & skf21("3","1","4","5","6","3","4","1") = "5"
    & skf21("3","1","4","5","6","3","5","1") = "5"
    & skf21("3","1","4","5","6","3","6","1") = "5"
    & skf21("3","1","4","5","6","3","7","1") = "6"
    & skf21("3","1","4","5","6","4","1","1") = "5"
    & skf21("3","1","4","5","6","4","2","1") = "5"
    & skf21("3","1","4","5","6","4","3","1") = "5"
    & skf21("3","1","4","5","6","4","4","1") = "5"
    & skf21("3","1","4","5","6","4","5","1") = "5"
    & skf21("3","1","4","5","6","4","6","1") = "5"
    & skf21("3","1","4","5","6","4","7","1") = "6"
    & skf21("3","1","4","5","6","5","1","1") = "5"
    & skf21("3","1","4","5","6","5","2","1") = "5"
    & skf21("3","1","4","5","6","5","3","1") = "5"
    & skf21("3","1","4","5","6","5","4","1") = "5"
    & skf21("3","1","4","5","6","5","5","1") = "5"
    & skf21("3","1","4","5","6","5","6","1") = "5"
    & skf21("3","1","4","5","6","5","7","1") = "6"
    & skf21("3","1","4","5","6","6","1","1") = "5"
    & skf21("3","1","4","5","6","6","2","1") = "5"
    & skf21("3","1","4","5","6","6","3","1") = "5"
    & skf21("3","1","4","5","6","6","4","1") = "5"
    & skf21("3","1","4","5","6","6","5","1") = "5"
    & skf21("3","1","4","5","6","6","6","1") = "5"
    & skf21("3","1","4","5","6","6","7","1") = "6"
    & skf21("3","1","4","5","6","7","1","1") = "6"
    & skf21("3","1","4","5","6","7","2","1") = "6"
    & skf21("3","1","4","5","6","7","3","1") = "6"
    & skf21("3","1","4","5","6","7","4","1") = "6"
    & skf21("3","1","4","5","6","7","5","1") = "6"
    & skf21("3","1","4","5","6","7","6","1") = "6"
    & skf21("3","1","4","5","6","7","7","1") = "6"
    & skf21("3","1","4","5","7","1","1","1") = "6"
    & skf21("3","1","4","5","7","1","2","1") = "6"
    & skf21("3","1","4","5","7","1","3","1") = "6"
    & skf21("3","1","4","5","7","1","4","1") = "6"
    & skf21("3","1","4","5","7","1","5","1") = "6"
    & skf21("3","1","4","5","7","1","6","1") = "6"
    & skf21("3","1","4","5","7","1","7","1") = "6"
    & skf21("3","1","4","5","7","2","1","1") = "6"
    & skf21("3","1","4","5","7","2","2","1") = "6"
    & skf21("3","1","4","5","7","2","3","1") = "6"
    & skf21("3","1","4","5","7","2","4","1") = "6"
    & skf21("3","1","4","5","7","2","5","1") = "6"
    & skf21("3","1","4","5","7","2","6","1") = "6"
    & skf21("3","1","4","5","7","2","7","1") = "6"
    & skf21("3","1","4","5","7","3","1","1") = "6"
    & skf21("3","1","4","5","7","3","2","1") = "6"
    & skf21("3","1","4","5","7","3","3","1") = "6"
    & skf21("3","1","4","5","7","3","4","1") = "6"
    & skf21("3","1","4","5","7","3","5","1") = "6"
    & skf21("3","1","4","5","7","3","6","1") = "6"
    & skf21("3","1","4","5","7","3","7","1") = "6"
    & skf21("3","1","4","5","7","4","1","1") = "6"
    & skf21("3","1","4","5","7","4","2","1") = "6"
    & skf21("3","1","4","5","7","4","3","1") = "6"
    & skf21("3","1","4","5","7","4","4","1") = "6"
    & skf21("3","1","4","5","7","4","5","1") = "6"
    & skf21("3","1","4","5","7","4","6","1") = "6"
    & skf21("3","1","4","5","7","4","7","1") = "6"
    & skf21("3","1","4","5","7","5","1","1") = "6"
    & skf21("3","1","4","5","7","5","2","1") = "6"
    & skf21("3","1","4","5","7","5","3","1") = "6"
    & skf21("3","1","4","5","7","5","4","1") = "6"
    & skf21("3","1","4","5","7","5","5","1") = "6"
    & skf21("3","1","4","5","7","5","6","1") = "6"
    & skf21("3","1","4","5","7","5","7","1") = "6"
    & skf21("3","1","4","5","7","6","1","1") = "6"
    & skf21("3","1","4","5","7","6","2","1") = "6"
    & skf21("3","1","4","5","7","6","3","1") = "6"
    & skf21("3","1","4","5","7","6","4","1") = "6"
    & skf21("3","1","4","5","7","6","5","1") = "6"
    & skf21("3","1","4","5","7","6","6","1") = "6"
    & skf21("3","1","4","5","7","6","7","1") = "6"
    & skf21("3","1","4","5","7","7","1","1") = "6"
    & skf21("3","1","4","5","7","7","2","1") = "6"
    & skf21("3","1","4","5","7","7","3","1") = "6"
    & skf21("3","1","4","5","7","7","4","1") = "6"
    & skf21("3","1","4","5","7","7","5","1") = "6"
    & skf21("3","1","4","5","7","7","6","1") = "6"
    & skf21("3","1","4","5","7","7","7","1") = "6"
    & skf21("3","1","4","6","1","1","1","1") = "5"
    & skf21("3","1","4","6","1","1","2","1") = "5"
    & skf21("3","1","4","6","1","1","3","1") = "5"
    & skf21("3","1","4","6","1","1","4","1") = "5"
    & skf21("3","1","4","6","1","1","5","1") = "5"
    & skf21("3","1","4","6","1","1","6","1") = "5"
    & skf21("3","1","4","6","1","1","7","1") = "6"
    & skf21("3","1","4","6","1","2","1","1") = "5"
    & skf21("3","1","4","6","1","2","2","1") = "5"
    & skf21("3","1","4","6","1","2","3","1") = "5"
    & skf21("3","1","4","6","1","2","4","1") = "5"
    & skf21("3","1","4","6","1","2","5","1") = "5"
    & skf21("3","1","4","6","1","2","6","1") = "5"
    & skf21("3","1","4","6","1","2","7","1") = "6"
    & skf21("3","1","4","6","1","3","1","1") = "5"
    & skf21("3","1","4","6","1","3","2","1") = "5"
    & skf21("3","1","4","6","1","3","3","1") = "5"
    & skf21("3","1","4","6","1","3","4","1") = "5"
    & skf21("3","1","4","6","1","3","5","1") = "5"
    & skf21("3","1","4","6","1","3","6","1") = "5"
    & skf21("3","1","4","6","1","3","7","1") = "6"
    & skf21("3","1","4","6","1","4","1","1") = "5"
    & skf21("3","1","4","6","1","4","2","1") = "5"
    & skf21("3","1","4","6","1","4","3","1") = "5"
    & skf21("3","1","4","6","1","4","4","1") = "5"
    & skf21("3","1","4","6","1","4","5","1") = "5"
    & skf21("3","1","4","6","1","4","6","1") = "5"
    & skf21("3","1","4","6","1","4","7","1") = "6"
    & skf21("3","1","4","6","1","5","1","1") = "5"
    & skf21("3","1","4","6","1","5","2","1") = "5"
    & skf21("3","1","4","6","1","5","3","1") = "5"
    & skf21("3","1","4","6","1","5","4","1") = "5"
    & skf21("3","1","4","6","1","5","5","1") = "5"
    & skf21("3","1","4","6","1","5","6","1") = "5"
    & skf21("3","1","4","6","1","5","7","1") = "6"
    & skf21("3","1","4","6","1","6","1","1") = "5"
    & skf21("3","1","4","6","1","6","2","1") = "5"
    & skf21("3","1","4","6","1","6","3","1") = "5"
    & skf21("3","1","4","6","1","6","4","1") = "5"
    & skf21("3","1","4","6","1","6","5","1") = "5"
    & skf21("3","1","4","6","1","6","6","1") = "5"
    & skf21("3","1","4","6","1","6","7","1") = "6"
    & skf21("3","1","4","6","1","7","1","1") = "6"
    & skf21("3","1","4","6","1","7","2","1") = "6"
    & skf21("3","1","4","6","1","7","3","1") = "6"
    & skf21("3","1","4","6","1","7","4","1") = "6"
    & skf21("3","1","4","6","1","7","5","1") = "6"
    & skf21("3","1","4","6","1","7","6","1") = "6"
    & skf21("3","1","4","6","1","7","7","1") = "6"
    & skf21("3","1","4","6","2","1","1","1") = "5"
    & skf21("3","1","4","6","2","1","2","1") = "5"
    & skf21("3","1","4","6","2","1","3","1") = "5"
    & skf21("3","1","4","6","2","1","4","1") = "5"
    & skf21("3","1","4","6","2","1","5","1") = "5"
    & skf21("3","1","4","6","2","1","6","1") = "5"
    & skf21("3","1","4","6","2","1","7","1") = "6"
    & skf21("3","1","4","6","2","2","1","1") = "5"
    & skf21("3","1","4","6","2","2","2","1") = "5"
    & skf21("3","1","4","6","2","2","3","1") = "5"
    & skf21("3","1","4","6","2","2","4","1") = "5"
    & skf21("3","1","4","6","2","2","5","1") = "5"
    & skf21("3","1","4","6","2","2","6","1") = "5"
    & skf21("3","1","4","6","2","2","7","1") = "6"
    & skf21("3","1","4","6","2","3","1","1") = "5"
    & skf21("3","1","4","6","2","3","2","1") = "5"
    & skf21("3","1","4","6","2","3","3","1") = "5"
    & skf21("3","1","4","6","2","3","4","1") = "5"
    & skf21("3","1","4","6","2","3","5","1") = "5"
    & skf21("3","1","4","6","2","3","6","1") = "5"
    & skf21("3","1","4","6","2","3","7","1") = "6"
    & skf21("3","1","4","6","2","4","1","1") = "5"
    & skf21("3","1","4","6","2","4","2","1") = "5"
    & skf21("3","1","4","6","2","4","3","1") = "5"
    & skf21("3","1","4","6","2","4","4","1") = "5"
    & skf21("3","1","4","6","2","4","5","1") = "5"
    & skf21("3","1","4","6","2","4","6","1") = "5"
    & skf21("3","1","4","6","2","4","7","1") = "6"
    & skf21("3","1","4","6","2","5","1","1") = "5"
    & skf21("3","1","4","6","2","5","2","1") = "5"
    & skf21("3","1","4","6","2","5","3","1") = "5"
    & skf21("3","1","4","6","2","5","4","1") = "5"
    & skf21("3","1","4","6","2","5","5","1") = "5"
    & skf21("3","1","4","6","2","5","6","1") = "5"
    & skf21("3","1","4","6","2","5","7","1") = "6"
    & skf21("3","1","4","6","2","6","1","1") = "5"
    & skf21("3","1","4","6","2","6","2","1") = "5"
    & skf21("3","1","4","6","2","6","3","1") = "5"
    & skf21("3","1","4","6","2","6","4","1") = "5"
    & skf21("3","1","4","6","2","6","5","1") = "5"
    & skf21("3","1","4","6","2","6","6","1") = "5"
    & skf21("3","1","4","6","2","6","7","1") = "6"
    & skf21("3","1","4","6","2","7","1","1") = "6"
    & skf21("3","1","4","6","2","7","2","1") = "6"
    & skf21("3","1","4","6","2","7","3","1") = "6"
    & skf21("3","1","4","6","2","7","4","1") = "6"
    & skf21("3","1","4","6","2","7","5","1") = "6"
    & skf21("3","1","4","6","2","7","6","1") = "6"
    & skf21("3","1","4","6","2","7","7","1") = "6"
    & skf21("3","1","4","6","3","1","1","1") = "5"
    & skf21("3","1","4","6","3","1","2","1") = "5"
    & skf21("3","1","4","6","3","1","3","1") = "5"
    & skf21("3","1","4","6","3","1","4","1") = "5"
    & skf21("3","1","4","6","3","1","5","1") = "5"
    & skf21("3","1","4","6","3","1","6","1") = "5"
    & skf21("3","1","4","6","3","1","7","1") = "6"
    & skf21("3","1","4","6","3","2","1","1") = "5"
    & skf21("3","1","4","6","3","2","2","1") = "5"
    & skf21("3","1","4","6","3","2","3","1") = "5"
    & skf21("3","1","4","6","3","2","4","1") = "5"
    & skf21("3","1","4","6","3","2","5","1") = "5"
    & skf21("3","1","4","6","3","2","6","1") = "5"
    & skf21("3","1","4","6","3","2","7","1") = "6"
    & skf21("3","1","4","6","3","3","1","1") = "5"
    & skf21("3","1","4","6","3","3","2","1") = "5"
    & skf21("3","1","4","6","3","3","3","1") = "5"
    & skf21("3","1","4","6","3","3","4","1") = "5"
    & skf21("3","1","4","6","3","3","5","1") = "5"
    & skf21("3","1","4","6","3","3","6","1") = "5"
    & skf21("3","1","4","6","3","3","7","1") = "6"
    & skf21("3","1","4","6","3","4","1","1") = "5"
    & skf21("3","1","4","6","3","4","2","1") = "5"
    & skf21("3","1","4","6","3","4","3","1") = "5"
    & skf21("3","1","4","6","3","4","4","1") = "5"
    & skf21("3","1","4","6","3","4","5","1") = "5"
    & skf21("3","1","4","6","3","4","6","1") = "5"
    & skf21("3","1","4","6","3","4","7","1") = "6"
    & skf21("3","1","4","6","3","5","1","1") = "5"
    & skf21("3","1","4","6","3","5","2","1") = "5"
    & skf21("3","1","4","6","3","5","3","1") = "5"
    & skf21("3","1","4","6","3","5","4","1") = "5"
    & skf21("3","1","4","6","3","5","5","1") = "5"
    & skf21("3","1","4","6","3","5","6","1") = "5"
    & skf21("3","1","4","6","3","5","7","1") = "6"
    & skf21("3","1","4","6","3","6","1","1") = "5"
    & skf21("3","1","4","6","3","6","2","1") = "5"
    & skf21("3","1","4","6","3","6","3","1") = "5"
    & skf21("3","1","4","6","3","6","4","1") = "5"
    & skf21("3","1","4","6","3","6","5","1") = "5"
    & skf21("3","1","4","6","3","6","6","1") = "5"
    & skf21("3","1","4","6","3","6","7","1") = "6"
    & skf21("3","1","4","6","3","7","1","1") = "6"
    & skf21("3","1","4","6","3","7","2","1") = "6"
    & skf21("3","1","4","6","3","7","3","1") = "6"
    & skf21("3","1","4","6","3","7","4","1") = "6"
    & skf21("3","1","4","6","3","7","5","1") = "6"
    & skf21("3","1","4","6","3","7","6","1") = "6"
    & skf21("3","1","4","6","3","7","7","1") = "6"
    & skf21("3","1","4","6","4","1","1","1") = "5"
    & skf21("3","1","4","6","4","1","2","1") = "5"
    & skf21("3","1","4","6","4","1","3","1") = "5"
    & skf21("3","1","4","6","4","1","4","1") = "5"
    & skf21("3","1","4","6","4","1","5","1") = "5"
    & skf21("3","1","4","6","4","1","6","1") = "5"
    & skf21("3","1","4","6","4","1","7","1") = "6"
    & skf21("3","1","4","6","4","2","1","1") = "5"
    & skf21("3","1","4","6","4","2","2","1") = "5"
    & skf21("3","1","4","6","4","2","3","1") = "5"
    & skf21("3","1","4","6","4","2","4","1") = "5"
    & skf21("3","1","4","6","4","2","5","1") = "5"
    & skf21("3","1","4","6","4","2","6","1") = "5"
    & skf21("3","1","4","6","4","2","7","1") = "6"
    & skf21("3","1","4","6","4","3","1","1") = "5"
    & skf21("3","1","4","6","4","3","2","1") = "5"
    & skf21("3","1","4","6","4","3","3","1") = "5"
    & skf21("3","1","4","6","4","3","4","1") = "5"
    & skf21("3","1","4","6","4","3","5","1") = "5"
    & skf21("3","1","4","6","4","3","6","1") = "5"
    & skf21("3","1","4","6","4","3","7","1") = "6"
    & skf21("3","1","4","6","4","4","1","1") = "5"
    & skf21("3","1","4","6","4","4","2","1") = "5"
    & skf21("3","1","4","6","4","4","3","1") = "5"
    & skf21("3","1","4","6","4","4","4","1") = "5"
    & skf21("3","1","4","6","4","4","5","1") = "5"
    & skf21("3","1","4","6","4","4","6","1") = "5"
    & skf21("3","1","4","6","4","4","7","1") = "6"
    & skf21("3","1","4","6","4","5","1","1") = "5"
    & skf21("3","1","4","6","4","5","2","1") = "5"
    & skf21("3","1","4","6","4","5","3","1") = "5"
    & skf21("3","1","4","6","4","5","4","1") = "5"
    & skf21("3","1","4","6","4","5","5","1") = "5"
    & skf21("3","1","4","6","4","5","6","1") = "5"
    & skf21("3","1","4","6","4","5","7","1") = "6"
    & skf21("3","1","4","6","4","6","1","1") = "5"
    & skf21("3","1","4","6","4","6","2","1") = "5"
    & skf21("3","1","4","6","4","6","3","1") = "5"
    & skf21("3","1","4","6","4","6","4","1") = "5"
    & skf21("3","1","4","6","4","6","5","1") = "5"
    & skf21("3","1","4","6","4","6","6","1") = "5"
    & skf21("3","1","4","6","4","6","7","1") = "6"
    & skf21("3","1","4","6","4","7","1","1") = "6"
    & skf21("3","1","4","6","4","7","2","1") = "6"
    & skf21("3","1","4","6","4","7","3","1") = "6"
    & skf21("3","1","4","6","4","7","4","1") = "6"
    & skf21("3","1","4","6","4","7","5","1") = "6"
    & skf21("3","1","4","6","4","7","6","1") = "6"
    & skf21("3","1","4","6","4","7","7","1") = "6"
    & skf21("3","1","4","6","5","1","1","1") = "5"
    & skf21("3","1","4","6","5","1","2","1") = "5"
    & skf21("3","1","4","6","5","1","3","1") = "5"
    & skf21("3","1","4","6","5","1","4","1") = "5"
    & skf21("3","1","4","6","5","1","5","1") = "5"
    & skf21("3","1","4","6","5","1","6","1") = "5"
    & skf21("3","1","4","6","5","1","7","1") = "6"
    & skf21("3","1","4","6","5","2","1","1") = "5"
    & skf21("3","1","4","6","5","2","2","1") = "5"
    & skf21("3","1","4","6","5","2","3","1") = "5"
    & skf21("3","1","4","6","5","2","4","1") = "5"
    & skf21("3","1","4","6","5","2","5","1") = "5"
    & skf21("3","1","4","6","5","2","6","1") = "5"
    & skf21("3","1","4","6","5","2","7","1") = "6"
    & skf21("3","1","4","6","5","3","1","1") = "5"
    & skf21("3","1","4","6","5","3","2","1") = "5"
    & skf21("3","1","4","6","5","3","3","1") = "5"
    & skf21("3","1","4","6","5","3","4","1") = "5"
    & skf21("3","1","4","6","5","3","5","1") = "5"
    & skf21("3","1","4","6","5","3","6","1") = "5"
    & skf21("3","1","4","6","5","3","7","1") = "6"
    & skf21("3","1","4","6","5","4","1","1") = "5"
    & skf21("3","1","4","6","5","4","2","1") = "5"
    & skf21("3","1","4","6","5","4","3","1") = "5"
    & skf21("3","1","4","6","5","4","4","1") = "5"
    & skf21("3","1","4","6","5","4","5","1") = "5"
    & skf21("3","1","4","6","5","4","6","1") = "5"
    & skf21("3","1","4","6","5","4","7","1") = "6"
    & skf21("3","1","4","6","5","5","1","1") = "5"
    & skf21("3","1","4","6","5","5","2","1") = "5"
    & skf21("3","1","4","6","5","5","3","1") = "5"
    & skf21("3","1","4","6","5","5","4","1") = "5"
    & skf21("3","1","4","6","5","5","5","1") = "5"
    & skf21("3","1","4","6","5","5","6","1") = "5"
    & skf21("3","1","4","6","5","5","7","1") = "6"
    & skf21("3","1","4","6","5","6","1","1") = "5"
    & skf21("3","1","4","6","5","6","2","1") = "5"
    & skf21("3","1","4","6","5","6","3","1") = "5"
    & skf21("3","1","4","6","5","6","4","1") = "5"
    & skf21("3","1","4","6","5","6","5","1") = "5"
    & skf21("3","1","4","6","5","6","6","1") = "5"
    & skf21("3","1","4","6","5","6","7","1") = "6"
    & skf21("3","1","4","6","5","7","1","1") = "6"
    & skf21("3","1","4","6","5","7","2","1") = "6"
    & skf21("3","1","4","6","5","7","3","1") = "6"
    & skf21("3","1","4","6","5","7","4","1") = "6"
    & skf21("3","1","4","6","5","7","5","1") = "6"
    & skf21("3","1","4","6","5","7","6","1") = "6"
    & skf21("3","1","4","6","5","7","7","1") = "6"
    & skf21("3","1","4","6","6","1","1","1") = "5"
    & skf21("3","1","4","6","6","1","2","1") = "5"
    & skf21("3","1","4","6","6","1","3","1") = "5"
    & skf21("3","1","4","6","6","1","4","1") = "5"
    & skf21("3","1","4","6","6","1","5","1") = "5"
    & skf21("3","1","4","6","6","1","6","1") = "5"
    & skf21("3","1","4","6","6","1","7","1") = "6"
    & skf21("3","1","4","6","6","2","1","1") = "5"
    & skf21("3","1","4","6","6","2","2","1") = "5"
    & skf21("3","1","4","6","6","2","3","1") = "5"
    & skf21("3","1","4","6","6","2","4","1") = "5"
    & skf21("3","1","4","6","6","2","5","1") = "5"
    & skf21("3","1","4","6","6","2","6","1") = "5"
    & skf21("3","1","4","6","6","2","7","1") = "6"
    & skf21("3","1","4","6","6","3","1","1") = "5"
    & skf21("3","1","4","6","6","3","2","1") = "5"
    & skf21("3","1","4","6","6","3","3","1") = "5"
    & skf21("3","1","4","6","6","3","4","1") = "5"
    & skf21("3","1","4","6","6","3","5","1") = "5"
    & skf21("3","1","4","6","6","3","6","1") = "5"
    & skf21("3","1","4","6","6","3","7","1") = "6"
    & skf21("3","1","4","6","6","4","1","1") = "5"
    & skf21("3","1","4","6","6","4","2","1") = "5"
    & skf21("3","1","4","6","6","4","3","1") = "5"
    & skf21("3","1","4","6","6","4","4","1") = "5"
    & skf21("3","1","4","6","6","4","5","1") = "5"
    & skf21("3","1","4","6","6","4","6","1") = "5"
    & skf21("3","1","4","6","6","4","7","1") = "6"
    & skf21("3","1","4","6","6","5","1","1") = "5"
    & skf21("3","1","4","6","6","5","2","1") = "5"
    & skf21("3","1","4","6","6","5","3","1") = "5"
    & skf21("3","1","4","6","6","5","4","1") = "5"
    & skf21("3","1","4","6","6","5","5","1") = "5"
    & skf21("3","1","4","6","6","5","6","1") = "5"
    & skf21("3","1","4","6","6","5","7","1") = "6"
    & skf21("3","1","4","6","6","6","1","1") = "5"
    & skf21("3","1","4","6","6","6","2","1") = "5"
    & skf21("3","1","4","6","6","6","3","1") = "5"
    & skf21("3","1","4","6","6","6","4","1") = "5"
    & skf21("3","1","4","6","6","6","5","1") = "5"
    & skf21("3","1","4","6","6","6","6","1") = "5"
    & skf21("3","1","4","6","6","6","7","1") = "6"
    & skf21("3","1","4","6","6","7","1","1") = "6"
    & skf21("3","1","4","6","6","7","2","1") = "6"
    & skf21("3","1","4","6","6","7","3","1") = "6"
    & skf21("3","1","4","6","6","7","4","1") = "6"
    & skf21("3","1","4","6","6","7","5","1") = "6"
    & skf21("3","1","4","6","6","7","6","1") = "6"
    & skf21("3","1","4","6","6","7","7","1") = "6"
    & skf21("3","1","4","6","7","1","1","1") = "6"
    & skf21("3","1","4","6","7","1","2","1") = "6"
    & skf21("3","1","4","6","7","1","3","1") = "6"
    & skf21("3","1","4","6","7","1","4","1") = "6"
    & skf21("3","1","4","6","7","1","5","1") = "6"
    & skf21("3","1","4","6","7","1","6","1") = "6"
    & skf21("3","1","4","6","7","1","7","1") = "6"
    & skf21("3","1","4","6","7","2","1","1") = "6"
    & skf21("3","1","4","6","7","2","2","1") = "6"
    & skf21("3","1","4","6","7","2","3","1") = "6"
    & skf21("3","1","4","6","7","2","4","1") = "6"
    & skf21("3","1","4","6","7","2","5","1") = "6"
    & skf21("3","1","4","6","7","2","6","1") = "6"
    & skf21("3","1","4","6","7","2","7","1") = "6"
    & skf21("3","1","4","6","7","3","1","1") = "6"
    & skf21("3","1","4","6","7","3","2","1") = "6"
    & skf21("3","1","4","6","7","3","3","1") = "6"
    & skf21("3","1","4","6","7","3","4","1") = "6"
    & skf21("3","1","4","6","7","3","5","1") = "6"
    & skf21("3","1","4","6","7","3","6","1") = "6"
    & skf21("3","1","4","6","7","3","7","1") = "6"
    & skf21("3","1","4","6","7","4","1","1") = "6"
    & skf21("3","1","4","6","7","4","2","1") = "6"
    & skf21("3","1","4","6","7","4","3","1") = "6"
    & skf21("3","1","4","6","7","4","4","1") = "6"
    & skf21("3","1","4","6","7","4","5","1") = "6"
    & skf21("3","1","4","6","7","4","6","1") = "6"
    & skf21("3","1","4","6","7","4","7","1") = "6"
    & skf21("3","1","4","6","7","5","1","1") = "6"
    & skf21("3","1","4","6","7","5","2","1") = "6"
    & skf21("3","1","4","6","7","5","3","1") = "6"
    & skf21("3","1","4","6","7","5","4","1") = "6"
    & skf21("3","1","4","6","7","5","5","1") = "6"
    & skf21("3","1","4","6","7","5","6","1") = "6"
    & skf21("3","1","4","6","7","5","7","1") = "6"
    & skf21("3","1","4","6","7","6","1","1") = "6"
    & skf21("3","1","4","6","7","6","2","1") = "6"
    & skf21("3","1","4","6","7","6","3","1") = "6"
    & skf21("3","1","4","6","7","6","4","1") = "6"
    & skf21("3","1","4","6","7","6","5","1") = "6"
    & skf21("3","1","4","6","7","6","6","1") = "6"
    & skf21("3","1","4","6","7","6","7","1") = "6"
    & skf21("3","1","4","6","7","7","1","1") = "6"
    & skf21("3","1","4","6","7","7","2","1") = "6"
    & skf21("3","1","4","6","7","7","3","1") = "6"
    & skf21("3","1","4","6","7","7","4","1") = "6"
    & skf21("3","1","4","6","7","7","5","1") = "6"
    & skf21("3","1","4","6","7","7","6","1") = "6"
    & skf21("3","1","4","6","7","7","7","1") = "6"
    & skf21("3","1","4","7","1","1","1","1") = "6"
    & skf21("3","1","4","7","1","1","2","1") = "6"
    & skf21("3","1","4","7","1","1","3","1") = "6"
    & skf21("3","1","4","7","1","1","4","1") = "6"
    & skf21("3","1","4","7","1","1","5","1") = "6"
    & skf21("3","1","4","7","1","1","6","1") = "6"
    & skf21("3","1","4","7","1","1","7","1") = "6"
    & skf21("3","1","4","7","1","2","1","1") = "6"
    & skf21("3","1","4","7","1","2","2","1") = "6"
    & skf21("3","1","4","7","1","2","3","1") = "6"
    & skf21("3","1","4","7","1","2","4","1") = "6"
    & skf21("3","1","4","7","1","2","5","1") = "6"
    & skf21("3","1","4","7","1","2","6","1") = "6"
    & skf21("3","1","4","7","1","2","7","1") = "6"
    & skf21("3","1","4","7","1","3","1","1") = "6"
    & skf21("3","1","4","7","1","3","2","1") = "6"
    & skf21("3","1","4","7","1","3","3","1") = "6"
    & skf21("3","1","4","7","1","3","4","1") = "6"
    & skf21("3","1","4","7","1","3","5","1") = "6"
    & skf21("3","1","4","7","1","3","6","1") = "6"
    & skf21("3","1","4","7","1","3","7","1") = "6"
    & skf21("3","1","4","7","1","4","1","1") = "6"
    & skf21("3","1","4","7","1","4","2","1") = "6"
    & skf21("3","1","4","7","1","4","3","1") = "6"
    & skf21("3","1","4","7","1","4","4","1") = "6"
    & skf21("3","1","4","7","1","4","5","1") = "6"
    & skf21("3","1","4","7","1","4","6","1") = "6"
    & skf21("3","1","4","7","1","4","7","1") = "6"
    & skf21("3","1","4","7","1","5","1","1") = "6"
    & skf21("3","1","4","7","1","5","2","1") = "6"
    & skf21("3","1","4","7","1","5","3","1") = "6"
    & skf21("3","1","4","7","1","5","4","1") = "6"
    & skf21("3","1","4","7","1","5","5","1") = "6"
    & skf21("3","1","4","7","1","5","6","1") = "6"
    & skf21("3","1","4","7","1","5","7","1") = "6"
    & skf21("3","1","4","7","1","6","1","1") = "6"
    & skf21("3","1","4","7","1","6","2","1") = "6"
    & skf21("3","1","4","7","1","6","3","1") = "6"
    & skf21("3","1","4","7","1","6","4","1") = "6"
    & skf21("3","1","4","7","1","6","5","1") = "6"
    & skf21("3","1","4","7","1","6","6","1") = "6"
    & skf21("3","1","4","7","1","6","7","1") = "6"
    & skf21("3","1","4","7","1","7","1","1") = "6"
    & skf21("3","1","4","7","1","7","2","1") = "6"
    & skf21("3","1","4","7","1","7","3","1") = "6"
    & skf21("3","1","4","7","1","7","4","1") = "6"
    & skf21("3","1","4","7","1","7","5","1") = "6"
    & skf21("3","1","4","7","1","7","6","1") = "6"
    & skf21("3","1","4","7","1","7","7","1") = "6"
    & skf21("3","1","4","7","2","1","1","1") = "6"
    & skf21("3","1","4","7","2","1","2","1") = "6"
    & skf21("3","1","4","7","2","1","3","1") = "6"
    & skf21("3","1","4","7","2","1","4","1") = "6"
    & skf21("3","1","4","7","2","1","5","1") = "6"
    & skf21("3","1","4","7","2","1","6","1") = "6"
    & skf21("3","1","4","7","2","1","7","1") = "6"
    & skf21("3","1","4","7","2","2","1","1") = "6"
    & skf21("3","1","4","7","2","2","2","1") = "6"
    & skf21("3","1","4","7","2","2","3","1") = "6"
    & skf21("3","1","4","7","2","2","4","1") = "6"
    & skf21("3","1","4","7","2","2","5","1") = "6"
    & skf21("3","1","4","7","2","2","6","1") = "6"
    & skf21("3","1","4","7","2","2","7","1") = "6"
    & skf21("3","1","4","7","2","3","1","1") = "6"
    & skf21("3","1","4","7","2","3","2","1") = "6"
    & skf21("3","1","4","7","2","3","3","1") = "6"
    & skf21("3","1","4","7","2","3","4","1") = "6"
    & skf21("3","1","4","7","2","3","5","1") = "6"
    & skf21("3","1","4","7","2","3","6","1") = "6"
    & skf21("3","1","4","7","2","3","7","1") = "6"
    & skf21("3","1","4","7","2","4","1","1") = "6"
    & skf21("3","1","4","7","2","4","2","1") = "6"
    & skf21("3","1","4","7","2","4","3","1") = "6"
    & skf21("3","1","4","7","2","4","4","1") = "6"
    & skf21("3","1","4","7","2","4","5","1") = "6"
    & skf21("3","1","4","7","2","4","6","1") = "6"
    & skf21("3","1","4","7","2","4","7","1") = "6"
    & skf21("3","1","4","7","2","5","1","1") = "6"
    & skf21("3","1","4","7","2","5","2","1") = "6"
    & skf21("3","1","4","7","2","5","3","1") = "6"
    & skf21("3","1","4","7","2","5","4","1") = "6"
    & skf21("3","1","4","7","2","5","5","1") = "6"
    & skf21("3","1","4","7","2","5","6","1") = "6"
    & skf21("3","1","4","7","2","5","7","1") = "6"
    & skf21("3","1","4","7","2","6","1","1") = "6"
    & skf21("3","1","4","7","2","6","2","1") = "6"
    & skf21("3","1","4","7","2","6","3","1") = "6"
    & skf21("3","1","4","7","2","6","4","1") = "6"
    & skf21("3","1","4","7","2","6","5","1") = "6"
    & skf21("3","1","4","7","2","6","6","1") = "6"
    & skf21("3","1","4","7","2","6","7","1") = "6"
    & skf21("3","1","4","7","2","7","1","1") = "6"
    & skf21("3","1","4","7","2","7","2","1") = "6"
    & skf21("3","1","4","7","2","7","3","1") = "6"
    & skf21("3","1","4","7","2","7","4","1") = "6"
    & skf21("3","1","4","7","2","7","5","1") = "6"
    & skf21("3","1","4","7","2","7","6","1") = "6"
    & skf21("3","1","4","7","2","7","7","1") = "6"
    & skf21("3","1","4","7","3","1","1","1") = "6"
    & skf21("3","1","4","7","3","1","2","1") = "6"
    & skf21("3","1","4","7","3","1","3","1") = "6"
    & skf21("3","1","4","7","3","1","4","1") = "6"
    & skf21("3","1","4","7","3","1","5","1") = "6"
    & skf21("3","1","4","7","3","1","6","1") = "6"
    & skf21("3","1","4","7","3","1","7","1") = "6"
    & skf21("3","1","4","7","3","2","1","1") = "6"
    & skf21("3","1","4","7","3","2","2","1") = "6"
    & skf21("3","1","4","7","3","2","3","1") = "6"
    & skf21("3","1","4","7","3","2","4","1") = "6"
    & skf21("3","1","4","7","3","2","5","1") = "6"
    & skf21("3","1","4","7","3","2","6","1") = "6"
    & skf21("3","1","4","7","3","2","7","1") = "6"
    & skf21("3","1","4","7","3","3","1","1") = "6"
    & skf21("3","1","4","7","3","3","2","1") = "6"
    & skf21("3","1","4","7","3","3","3","1") = "6"
    & skf21("3","1","4","7","3","3","4","1") = "6"
    & skf21("3","1","4","7","3","3","5","1") = "6"
    & skf21("3","1","4","7","3","3","6","1") = "6"
    & skf21("3","1","4","7","3","3","7","1") = "6"
    & skf21("3","1","4","7","3","4","1","1") = "6"
    & skf21("3","1","4","7","3","4","2","1") = "6"
    & skf21("3","1","4","7","3","4","3","1") = "6"
    & skf21("3","1","4","7","3","4","4","1") = "6"
    & skf21("3","1","4","7","3","4","5","1") = "6"
    & skf21("3","1","4","7","3","4","6","1") = "6"
    & skf21("3","1","4","7","3","4","7","1") = "6"
    & skf21("3","1","4","7","3","5","1","1") = "6"
    & skf21("3","1","4","7","3","5","2","1") = "6"
    & skf21("3","1","4","7","3","5","3","1") = "6"
    & skf21("3","1","4","7","3","5","4","1") = "6"
    & skf21("3","1","4","7","3","5","5","1") = "6"
    & skf21("3","1","4","7","3","5","6","1") = "6"
    & skf21("3","1","4","7","3","5","7","1") = "6"
    & skf21("3","1","4","7","3","6","1","1") = "6"
    & skf21("3","1","4","7","3","6","2","1") = "6"
    & skf21("3","1","4","7","3","6","3","1") = "6"
    & skf21("3","1","4","7","3","6","4","1") = "6"
    & skf21("3","1","4","7","3","6","5","1") = "6"
    & skf21("3","1","4","7","3","6","6","1") = "6"
    & skf21("3","1","4","7","3","6","7","1") = "6"
    & skf21("3","1","4","7","3","7","1","1") = "6"
    & skf21("3","1","4","7","3","7","2","1") = "6"
    & skf21("3","1","4","7","3","7","3","1") = "6"
    & skf21("3","1","4","7","3","7","4","1") = "6"
    & skf21("3","1","4","7","3","7","5","1") = "6"
    & skf21("3","1","4","7","3","7","6","1") = "6"
    & skf21("3","1","4","7","3","7","7","1") = "6"
    & skf21("3","1","4","7","4","1","1","1") = "6"
    & skf21("3","1","4","7","4","1","2","1") = "6"
    & skf21("3","1","4","7","4","1","3","1") = "6"
    & skf21("3","1","4","7","4","1","4","1") = "6"
    & skf21("3","1","4","7","4","1","5","1") = "6"
    & skf21("3","1","4","7","4","1","6","1") = "6"
    & skf21("3","1","4","7","4","1","7","1") = "6"
    & skf21("3","1","4","7","4","2","1","1") = "6"
    & skf21("3","1","4","7","4","2","2","1") = "6"
    & skf21("3","1","4","7","4","2","3","1") = "6"
    & skf21("3","1","4","7","4","2","4","1") = "6"
    & skf21("3","1","4","7","4","2","5","1") = "6"
    & skf21("3","1","4","7","4","2","6","1") = "6"
    & skf21("3","1","4","7","4","2","7","1") = "6"
    & skf21("3","1","4","7","4","3","1","1") = "6"
    & skf21("3","1","4","7","4","3","2","1") = "6"
    & skf21("3","1","4","7","4","3","3","1") = "6"
    & skf21("3","1","4","7","4","3","4","1") = "6"
    & skf21("3","1","4","7","4","3","5","1") = "6"
    & skf21("3","1","4","7","4","3","6","1") = "6"
    & skf21("3","1","4","7","4","3","7","1") = "6"
    & skf21("3","1","4","7","4","4","1","1") = "6"
    & skf21("3","1","4","7","4","4","2","1") = "6"
    & skf21("3","1","4","7","4","4","3","1") = "6"
    & skf21("3","1","4","7","4","4","4","1") = "6"
    & skf21("3","1","4","7","4","4","5","1") = "6"
    & skf21("3","1","4","7","4","4","6","1") = "6"
    & skf21("3","1","4","7","4","4","7","1") = "6"
    & skf21("3","1","4","7","4","5","1","1") = "6"
    & skf21("3","1","4","7","4","5","2","1") = "6"
    & skf21("3","1","4","7","4","5","3","1") = "6"
    & skf21("3","1","4","7","4","5","4","1") = "6"
    & skf21("3","1","4","7","4","5","5","1") = "6"
    & skf21("3","1","4","7","4","5","6","1") = "6"
    & skf21("3","1","4","7","4","5","7","1") = "6"
    & skf21("3","1","4","7","4","6","1","1") = "6"
    & skf21("3","1","4","7","4","6","2","1") = "6"
    & skf21("3","1","4","7","4","6","3","1") = "6"
    & skf21("3","1","4","7","4","6","4","1") = "6"
    & skf21("3","1","4","7","4","6","5","1") = "6"
    & skf21("3","1","4","7","4","6","6","1") = "6"
    & skf21("3","1","4","7","4","6","7","1") = "6"
    & skf21("3","1","4","7","4","7","1","1") = "6"
    & skf21("3","1","4","7","4","7","2","1") = "6"
    & skf21("3","1","4","7","4","7","3","1") = "6"
    & skf21("3","1","4","7","4","7","4","1") = "6"
    & skf21("3","1","4","7","4","7","5","1") = "6"
    & skf21("3","1","4","7","4","7","6","1") = "6"
    & skf21("3","1","4","7","4","7","7","1") = "6"
    & skf21("3","1","4","7","5","1","1","1") = "6"
    & skf21("3","1","4","7","5","1","2","1") = "6"
    & skf21("3","1","4","7","5","1","3","1") = "6"
    & skf21("3","1","4","7","5","1","4","1") = "6"
    & skf21("3","1","4","7","5","1","5","1") = "6"
    & skf21("3","1","4","7","5","1","6","1") = "6"
    & skf21("3","1","4","7","5","1","7","1") = "6"
    & skf21("3","1","4","7","5","2","1","1") = "6"
    & skf21("3","1","4","7","5","2","2","1") = "6"
    & skf21("3","1","4","7","5","2","3","1") = "6"
    & skf21("3","1","4","7","5","2","4","1") = "6"
    & skf21("3","1","4","7","5","2","5","1") = "6"
    & skf21("3","1","4","7","5","2","6","1") = "6"
    & skf21("3","1","4","7","5","2","7","1") = "6"
    & skf21("3","1","4","7","5","3","1","1") = "6"
    & skf21("3","1","4","7","5","3","2","1") = "6"
    & skf21("3","1","4","7","5","3","3","1") = "6"
    & skf21("3","1","4","7","5","3","4","1") = "6"
    & skf21("3","1","4","7","5","3","5","1") = "6"
    & skf21("3","1","4","7","5","3","6","1") = "6"
    & skf21("3","1","4","7","5","3","7","1") = "6"
    & skf21("3","1","4","7","5","4","1","1") = "6"
    & skf21("3","1","4","7","5","4","2","1") = "6"
    & skf21("3","1","4","7","5","4","3","1") = "6"
    & skf21("3","1","4","7","5","4","4","1") = "6"
    & skf21("3","1","4","7","5","4","5","1") = "6"
    & skf21("3","1","4","7","5","4","6","1") = "6"
    & skf21("3","1","4","7","5","4","7","1") = "6"
    & skf21("3","1","4","7","5","5","1","1") = "6"
    & skf21("3","1","4","7","5","5","2","1") = "6"
    & skf21("3","1","4","7","5","5","3","1") = "6"
    & skf21("3","1","4","7","5","5","4","1") = "6"
    & skf21("3","1","4","7","5","5","5","1") = "6"
    & skf21("3","1","4","7","5","5","6","1") = "6"
    & skf21("3","1","4","7","5","5","7","1") = "6"
    & skf21("3","1","4","7","5","6","1","1") = "6"
    & skf21("3","1","4","7","5","6","2","1") = "6"
    & skf21("3","1","4","7","5","6","3","1") = "6"
    & skf21("3","1","4","7","5","6","4","1") = "6"
    & skf21("3","1","4","7","5","6","5","1") = "6"
    & skf21("3","1","4","7","5","6","6","1") = "6"
    & skf21("3","1","4","7","5","6","7","1") = "6"
    & skf21("3","1","4","7","5","7","1","1") = "6"
    & skf21("3","1","4","7","5","7","2","1") = "6"
    & skf21("3","1","4","7","5","7","3","1") = "6"
    & skf21("3","1","4","7","5","7","4","1") = "6"
    & skf21("3","1","4","7","5","7","5","1") = "6"
    & skf21("3","1","4","7","5","7","6","1") = "6"
    & skf21("3","1","4","7","5","7","7","1") = "6"
    & skf21("3","1","4","7","6","1","1","1") = "6"
    & skf21("3","1","4","7","6","1","2","1") = "6"
    & skf21("3","1","4","7","6","1","3","1") = "6"
    & skf21("3","1","4","7","6","1","4","1") = "6"
    & skf21("3","1","4","7","6","1","5","1") = "6"
    & skf21("3","1","4","7","6","1","6","1") = "6"
    & skf21("3","1","4","7","6","1","7","1") = "6"
    & skf21("3","1","4","7","6","2","1","1") = "6"
    & skf21("3","1","4","7","6","2","2","1") = "6"
    & skf21("3","1","4","7","6","2","3","1") = "6"
    & skf21("3","1","4","7","6","2","4","1") = "6"
    & skf21("3","1","4","7","6","2","5","1") = "6"
    & skf21("3","1","4","7","6","2","6","1") = "6"
    & skf21("3","1","4","7","6","2","7","1") = "6"
    & skf21("3","1","4","7","6","3","1","1") = "6"
    & skf21("3","1","4","7","6","3","2","1") = "6"
    & skf21("3","1","4","7","6","3","3","1") = "6"
    & skf21("3","1","4","7","6","3","4","1") = "6"
    & skf21("3","1","4","7","6","3","5","1") = "6"
    & skf21("3","1","4","7","6","3","6","1") = "6"
    & skf21("3","1","4","7","6","3","7","1") = "6"
    & skf21("3","1","4","7","6","4","1","1") = "6"
    & skf21("3","1","4","7","6","4","2","1") = "6"
    & skf21("3","1","4","7","6","4","3","1") = "6"
    & skf21("3","1","4","7","6","4","4","1") = "6"
    & skf21("3","1","4","7","6","4","5","1") = "6"
    & skf21("3","1","4","7","6","4","6","1") = "6"
    & skf21("3","1","4","7","6","4","7","1") = "6"
    & skf21("3","1","4","7","6","5","1","1") = "6"
    & skf21("3","1","4","7","6","5","2","1") = "6"
    & skf21("3","1","4","7","6","5","3","1") = "6"
    & skf21("3","1","4","7","6","5","4","1") = "6"
    & skf21("3","1","4","7","6","5","5","1") = "6"
    & skf21("3","1","4","7","6","5","6","1") = "6"
    & skf21("3","1","4","7","6","5","7","1") = "6"
    & skf21("3","1","4","7","6","6","1","1") = "6"
    & skf21("3","1","4","7","6","6","2","1") = "6"
    & skf21("3","1","4","7","6","6","3","1") = "6"
    & skf21("3","1","4","7","6","6","4","1") = "6"
    & skf21("3","1","4","7","6","6","5","1") = "6"
    & skf21("3","1","4","7","6","6","6","1") = "6"
    & skf21("3","1","4","7","6","6","7","1") = "6"
    & skf21("3","1","4","7","6","7","1","1") = "6"
    & skf21("3","1","4","7","6","7","2","1") = "6"
    & skf21("3","1","4","7","6","7","3","1") = "6"
    & skf21("3","1","4","7","6","7","4","1") = "6"
    & skf21("3","1","4","7","6","7","5","1") = "6"
    & skf21("3","1","4","7","6","7","6","1") = "6"
    & skf21("3","1","4","7","6","7","7","1") = "6"
    & skf21("3","1","4","7","7","1","1","1") = "6"
    & skf21("3","1","4","7","7","1","2","1") = "6"
    & skf21("3","1","4","7","7","1","3","1") = "6"
    & skf21("3","1","4","7","7","1","4","1") = "6"
    & skf21("3","1","4","7","7","1","5","1") = "6"
    & skf21("3","1","4","7","7","1","6","1") = "6"
    & skf21("3","1","4","7","7","1","7","1") = "6"
    & skf21("3","1","4","7","7","2","1","1") = "6"
    & skf21("3","1","4","7","7","2","2","1") = "6"
    & skf21("3","1","4","7","7","2","3","1") = "6"
    & skf21("3","1","4","7","7","2","4","1") = "6"
    & skf21("3","1","4","7","7","2","5","1") = "6"
    & skf21("3","1","4","7","7","2","6","1") = "6"
    & skf21("3","1","4","7","7","2","7","1") = "6"
    & skf21("3","1","4","7","7","3","1","1") = "6"
    & skf21("3","1","4","7","7","3","2","1") = "6"
    & skf21("3","1","4","7","7","3","3","1") = "6"
    & skf21("3","1","4","7","7","3","4","1") = "6"
    & skf21("3","1","4","7","7","3","5","1") = "6"
    & skf21("3","1","4","7","7","3","6","1") = "6"
    & skf21("3","1","4","7","7","3","7","1") = "6"
    & skf21("3","1","4","7","7","4","1","1") = "6"
    & skf21("3","1","4","7","7","4","2","1") = "6"
    & skf21("3","1","4","7","7","4","3","1") = "6"
    & skf21("3","1","4","7","7","4","4","1") = "6"
    & skf21("3","1","4","7","7","4","5","1") = "6"
    & skf21("3","1","4","7","7","4","6","1") = "6"
    & skf21("3","1","4","7","7","4","7","1") = "6"
    & skf21("3","1","4","7","7","5","1","1") = "6"
    & skf21("3","1","4","7","7","5","2","1") = "6"
    & skf21("3","1","4","7","7","5","3","1") = "6"
    & skf21("3","1","4","7","7","5","4","1") = "6"
    & skf21("3","1","4","7","7","5","5","1") = "6"
    & skf21("3","1","4","7","7","5","6","1") = "6"
    & skf21("3","1","4","7","7","5","7","1") = "6"
    & skf21("3","1","4","7","7","6","1","1") = "6"
    & skf21("3","1","4","7","7","6","2","1") = "6"
    & skf21("3","1","4","7","7","6","3","1") = "6"
    & skf21("3","1","4","7","7","6","4","1") = "6"
    & skf21("3","1","4","7","7","6","5","1") = "6"
    & skf21("3","1","4","7","7","6","6","1") = "6"
    & skf21("3","1","4","7","7","6","7","1") = "6"
    & skf21("3","1","4","7","7","7","1","1") = "6"
    & skf21("3","1","4","7","7","7","2","1") = "6"
    & skf21("3","1","4","7","7","7","3","1") = "6"
    & skf21("3","1","4","7","7","7","4","1") = "6"
    & skf21("3","1","4","7","7","7","5","1") = "6"
    & skf21("3","1","4","7","7","7","6","1") = "6"
    & skf21("3","1","4","7","7","7","7","1") = "6"
    & skf21("3","1","5","1","1","1","1","1") = "4"
    & skf21("3","1","5","1","1","1","2","1") = "4"
    & skf21("3","1","5","1","1","1","3","1") = "4"
    & skf21("3","1","5","1","1","1","4","1") = "4"
    & skf21("3","1","5","1","1","1","5","1") = "4"
    & skf21("3","1","5","1","1","1","6","1") = "5"
    & skf21("3","1","5","1","1","1","7","1") = "6"
    & skf21("3","1","5","1","1","2","1","1") = "4"
    & skf21("3","1","5","1","1","2","2","1") = "4"
    & skf21("3","1","5","1","1","2","3","1") = "4"
    & skf21("3","1","5","1","1","2","4","1") = "4"
    & skf21("3","1","5","1","1","2","5","1") = "4"
    & skf21("3","1","5","1","1","2","6","1") = "5"
    & skf21("3","1","5","1","1","2","7","1") = "6"
    & skf21("3","1","5","1","1","3","1","1") = "4"
    & skf21("3","1","5","1","1","3","2","1") = "4"
    & skf21("3","1","5","1","1","3","3","1") = "4"
    & skf21("3","1","5","1","1","3","4","1") = "4"
    & skf21("3","1","5","1","1","3","5","1") = "4"
    & skf21("3","1","5","1","1","3","6","1") = "5"
    & skf21("3","1","5","1","1","3","7","1") = "6"
    & skf21("3","1","5","1","1","4","1","1") = "4"
    & skf21("3","1","5","1","1","4","2","1") = "4"
    & skf21("3","1","5","1","1","4","3","1") = "4"
    & skf21("3","1","5","1","1","4","4","1") = "4"
    & skf21("3","1","5","1","1","4","5","1") = "4"
    & skf21("3","1","5","1","1","4","6","1") = "5"
    & skf21("3","1","5","1","1","4","7","1") = "6"
    & skf21("3","1","5","1","1","5","1","1") = "4"
    & skf21("3","1","5","1","1","5","2","1") = "4"
    & skf21("3","1","5","1","1","5","3","1") = "4"
    & skf21("3","1","5","1","1","5","4","1") = "4"
    & skf21("3","1","5","1","1","5","5","1") = "4"
    & skf21("3","1","5","1","1","5","6","1") = "5"
    & skf21("3","1","5","1","1","5","7","1") = "6"
    & skf21("3","1","5","1","1","6","1","1") = "5"
    & skf21("3","1","5","1","1","6","2","1") = "5"
    & skf21("3","1","5","1","1","6","3","1") = "5"
    & skf21("3","1","5","1","1","6","4","1") = "5"
    & skf21("3","1","5","1","1","6","5","1") = "5"
    & skf21("3","1","5","1","1","6","6","1") = "5"
    & skf21("3","1","5","1","1","6","7","1") = "6"
    & skf21("3","1","5","1","1","7","1","1") = "6"
    & skf21("3","1","5","1","1","7","2","1") = "6"
    & skf21("3","1","5","1","1","7","3","1") = "6"
    & skf21("3","1","5","1","1","7","4","1") = "6"
    & skf21("3","1","5","1","1","7","5","1") = "6"
    & skf21("3","1","5","1","1","7","6","1") = "6"
    & skf21("3","1","5","1","1","7","7","1") = "6"
    & skf21("3","1","5","1","2","1","1","1") = "4"
    & skf21("3","1","5","1","2","1","2","1") = "4"
    & skf21("3","1","5","1","2","1","3","1") = "4"
    & skf21("3","1","5","1","2","1","4","1") = "4"
    & skf21("3","1","5","1","2","1","5","1") = "4"
    & skf21("3","1","5","1","2","1","6","1") = "5"
    & skf21("3","1","5","1","2","1","7","1") = "6"
    & skf21("3","1","5","1","2","2","1","1") = "4"
    & skf21("3","1","5","1","2","2","2","1") = "4"
    & skf21("3","1","5","1","2","2","3","1") = "4"
    & skf21("3","1","5","1","2","2","4","1") = "4"
    & skf21("3","1","5","1","2","2","5","1") = "4"
    & skf21("3","1","5","1","2","2","6","1") = "5"
    & skf21("3","1","5","1","2","2","7","1") = "6"
    & skf21("3","1","5","1","2","3","1","1") = "4"
    & skf21("3","1","5","1","2","3","2","1") = "4"
    & skf21("3","1","5","1","2","3","3","1") = "4"
    & skf21("3","1","5","1","2","3","4","1") = "4"
    & skf21("3","1","5","1","2","3","5","1") = "4"
    & skf21("3","1","5","1","2","3","6","1") = "5"
    & skf21("3","1","5","1","2","3","7","1") = "6"
    & skf21("3","1","5","1","2","4","1","1") = "4"
    & skf21("3","1","5","1","2","4","2","1") = "4"
    & skf21("3","1","5","1","2","4","3","1") = "4"
    & skf21("3","1","5","1","2","4","4","1") = "4"
    & skf21("3","1","5","1","2","4","5","1") = "4"
    & skf21("3","1","5","1","2","4","6","1") = "5"
    & skf21("3","1","5","1","2","4","7","1") = "6"
    & skf21("3","1","5","1","2","5","1","1") = "4"
    & skf21("3","1","5","1","2","5","2","1") = "4"
    & skf21("3","1","5","1","2","5","3","1") = "4"
    & skf21("3","1","5","1","2","5","4","1") = "4"
    & skf21("3","1","5","1","2","5","5","1") = "4"
    & skf21("3","1","5","1","2","5","6","1") = "5"
    & skf21("3","1","5","1","2","5","7","1") = "6"
    & skf21("3","1","5","1","2","6","1","1") = "5"
    & skf21("3","1","5","1","2","6","2","1") = "5"
    & skf21("3","1","5","1","2","6","3","1") = "5"
    & skf21("3","1","5","1","2","6","4","1") = "5"
    & skf21("3","1","5","1","2","6","5","1") = "5"
    & skf21("3","1","5","1","2","6","6","1") = "5"
    & skf21("3","1","5","1","2","6","7","1") = "6"
    & skf21("3","1","5","1","2","7","1","1") = "6"
    & skf21("3","1","5","1","2","7","2","1") = "6"
    & skf21("3","1","5","1","2","7","3","1") = "6"
    & skf21("3","1","5","1","2","7","4","1") = "6"
    & skf21("3","1","5","1","2","7","5","1") = "6"
    & skf21("3","1","5","1","2","7","6","1") = "6"
    & skf21("3","1","5","1","2","7","7","1") = "6"
    & skf21("3","1","5","1","3","1","1","1") = "4"
    & skf21("3","1","5","1","3","1","2","1") = "4"
    & skf21("3","1","5","1","3","1","3","1") = "4"
    & skf21("3","1","5","1","3","1","4","1") = "4"
    & skf21("3","1","5","1","3","1","5","1") = "4"
    & skf21("3","1","5","1","3","1","6","1") = "5"
    & skf21("3","1","5","1","3","1","7","1") = "6"
    & skf21("3","1","5","1","3","2","1","1") = "4"
    & skf21("3","1","5","1","3","2","2","1") = "4"
    & skf21("3","1","5","1","3","2","3","1") = "4"
    & skf21("3","1","5","1","3","2","4","1") = "4"
    & skf21("3","1","5","1","3","2","5","1") = "4"
    & skf21("3","1","5","1","3","2","6","1") = "5"
    & skf21("3","1","5","1","3","2","7","1") = "6"
    & skf21("3","1","5","1","3","3","1","1") = "4"
    & skf21("3","1","5","1","3","3","2","1") = "4"
    & skf21("3","1","5","1","3","3","3","1") = "4"
    & skf21("3","1","5","1","3","3","4","1") = "4"
    & skf21("3","1","5","1","3","3","5","1") = "4"
    & skf21("3","1","5","1","3","3","6","1") = "5"
    & skf21("3","1","5","1","3","3","7","1") = "6"
    & skf21("3","1","5","1","3","4","1","1") = "4"
    & skf21("3","1","5","1","3","4","2","1") = "4"
    & skf21("3","1","5","1","3","4","3","1") = "4"
    & skf21("3","1","5","1","3","4","4","1") = "4"
    & skf21("3","1","5","1","3","4","5","1") = "4"
    & skf21("3","1","5","1","3","4","6","1") = "5"
    & skf21("3","1","5","1","3","4","7","1") = "6"
    & skf21("3","1","5","1","3","5","1","1") = "4"
    & skf21("3","1","5","1","3","5","2","1") = "4"
    & skf21("3","1","5","1","3","5","3","1") = "4"
    & skf21("3","1","5","1","3","5","4","1") = "4"
    & skf21("3","1","5","1","3","5","5","1") = "4"
    & skf21("3","1","5","1","3","5","6","1") = "5"
    & skf21("3","1","5","1","3","5","7","1") = "6"
    & skf21("3","1","5","1","3","6","1","1") = "5"
    & skf21("3","1","5","1","3","6","2","1") = "5"
    & skf21("3","1","5","1","3","6","3","1") = "5"
    & skf21("3","1","5","1","3","6","4","1") = "5"
    & skf21("3","1","5","1","3","6","5","1") = "5"
    & skf21("3","1","5","1","3","6","6","1") = "5"
    & skf21("3","1","5","1","3","6","7","1") = "6"
    & skf21("3","1","5","1","3","7","1","1") = "6"
    & skf21("3","1","5","1","3","7","2","1") = "6"
    & skf21("3","1","5","1","3","7","3","1") = "6"
    & skf21("3","1","5","1","3","7","4","1") = "6"
    & skf21("3","1","5","1","3","7","5","1") = "6"
    & skf21("3","1","5","1","3","7","6","1") = "6"
    & skf21("3","1","5","1","3","7","7","1") = "6"
    & skf21("3","1","5","1","4","1","1","1") = "4"
    & skf21("3","1","5","1","4","1","2","1") = "4"
    & skf21("3","1","5","1","4","1","3","1") = "4"
    & skf21("3","1","5","1","4","1","4","1") = "4"
    & skf21("3","1","5","1","4","1","5","1") = "4"
    & skf21("3","1","5","1","4","1","6","1") = "5"
    & skf21("3","1","5","1","4","1","7","1") = "6"
    & skf21("3","1","5","1","4","2","1","1") = "4"
    & skf21("3","1","5","1","4","2","2","1") = "4"
    & skf21("3","1","5","1","4","2","3","1") = "4"
    & skf21("3","1","5","1","4","2","4","1") = "4"
    & skf21("3","1","5","1","4","2","5","1") = "4"
    & skf21("3","1","5","1","4","2","6","1") = "5"
    & skf21("3","1","5","1","4","2","7","1") = "6"
    & skf21("3","1","5","1","4","3","1","1") = "4"
    & skf21("3","1","5","1","4","3","2","1") = "4"
    & skf21("3","1","5","1","4","3","3","1") = "4"
    & skf21("3","1","5","1","4","3","4","1") = "4"
    & skf21("3","1","5","1","4","3","5","1") = "4"
    & skf21("3","1","5","1","4","3","6","1") = "5"
    & skf21("3","1","5","1","4","3","7","1") = "6"
    & skf21("3","1","5","1","4","4","1","1") = "4"
    & skf21("3","1","5","1","4","4","2","1") = "4"
    & skf21("3","1","5","1","4","4","3","1") = "4"
    & skf21("3","1","5","1","4","4","4","1") = "4"
    & skf21("3","1","5","1","4","4","5","1") = "4"
    & skf21("3","1","5","1","4","4","6","1") = "5"
    & skf21("3","1","5","1","4","4","7","1") = "6"
    & skf21("3","1","5","1","4","5","1","1") = "4"
    & skf21("3","1","5","1","4","5","2","1") = "4"
    & skf21("3","1","5","1","4","5","3","1") = "4"
    & skf21("3","1","5","1","4","5","4","1") = "4"
    & skf21("3","1","5","1","4","5","5","1") = "4"
    & skf21("3","1","5","1","4","5","6","1") = "5"
    & skf21("3","1","5","1","4","5","7","1") = "6"
    & skf21("3","1","5","1","4","6","1","1") = "5"
    & skf21("3","1","5","1","4","6","2","1") = "5"
    & skf21("3","1","5","1","4","6","3","1") = "5"
    & skf21("3","1","5","1","4","6","4","1") = "5"
    & skf21("3","1","5","1","4","6","5","1") = "5"
    & skf21("3","1","5","1","4","6","6","1") = "5"
    & skf21("3","1","5","1","4","6","7","1") = "6"
    & skf21("3","1","5","1","4","7","1","1") = "6"
    & skf21("3","1","5","1","4","7","2","1") = "6"
    & skf21("3","1","5","1","4","7","3","1") = "6"
    & skf21("3","1","5","1","4","7","4","1") = "6"
    & skf21("3","1","5","1","4","7","5","1") = "6"
    & skf21("3","1","5","1","4","7","6","1") = "6"
    & skf21("3","1","5","1","4","7","7","1") = "6"
    & skf21("3","1","5","1","5","1","1","1") = "4"
    & skf21("3","1","5","1","5","1","2","1") = "4"
    & skf21("3","1","5","1","5","1","3","1") = "4"
    & skf21("3","1","5","1","5","1","4","1") = "4"
    & skf21("3","1","5","1","5","1","5","1") = "4"
    & skf21("3","1","5","1","5","1","6","1") = "5"
    & skf21("3","1","5","1","5","1","7","1") = "6"
    & skf21("3","1","5","1","5","2","1","1") = "4"
    & skf21("3","1","5","1","5","2","2","1") = "4"
    & skf21("3","1","5","1","5","2","3","1") = "4"
    & skf21("3","1","5","1","5","2","4","1") = "4"
    & skf21("3","1","5","1","5","2","5","1") = "4"
    & skf21("3","1","5","1","5","2","6","1") = "5"
    & skf21("3","1","5","1","5","2","7","1") = "6"
    & skf21("3","1","5","1","5","3","1","1") = "4"
    & skf21("3","1","5","1","5","3","2","1") = "4"
    & skf21("3","1","5","1","5","3","3","1") = "4"
    & skf21("3","1","5","1","5","3","4","1") = "4"
    & skf21("3","1","5","1","5","3","5","1") = "4"
    & skf21("3","1","5","1","5","3","6","1") = "5"
    & skf21("3","1","5","1","5","3","7","1") = "6"
    & skf21("3","1","5","1","5","4","1","1") = "4"
    & skf21("3","1","5","1","5","4","2","1") = "4"
    & skf21("3","1","5","1","5","4","3","1") = "4"
    & skf21("3","1","5","1","5","4","4","1") = "4"
    & skf21("3","1","5","1","5","4","5","1") = "4"
    & skf21("3","1","5","1","5","4","6","1") = "5"
    & skf21("3","1","5","1","5","4","7","1") = "6"
    & skf21("3","1","5","1","5","5","1","1") = "4"
    & skf21("3","1","5","1","5","5","2","1") = "4"
    & skf21("3","1","5","1","5","5","3","1") = "4"
    & skf21("3","1","5","1","5","5","4","1") = "4"
    & skf21("3","1","5","1","5","5","5","1") = "4"
    & skf21("3","1","5","1","5","5","6","1") = "5"
    & skf21("3","1","5","1","5","5","7","1") = "6"
    & skf21("3","1","5","1","5","6","1","1") = "5"
    & skf21("3","1","5","1","5","6","2","1") = "5"
    & skf21("3","1","5","1","5","6","3","1") = "5"
    & skf21("3","1","5","1","5","6","4","1") = "5"
    & skf21("3","1","5","1","5","6","5","1") = "5"
    & skf21("3","1","5","1","5","6","6","1") = "5"
    & skf21("3","1","5","1","5","6","7","1") = "6"
    & skf21("3","1","5","1","5","7","1","1") = "6"
    & skf21("3","1","5","1","5","7","2","1") = "6"
    & skf21("3","1","5","1","5","7","3","1") = "6"
    & skf21("3","1","5","1","5","7","4","1") = "6"
    & skf21("3","1","5","1","5","7","5","1") = "6"
    & skf21("3","1","5","1","5","7","6","1") = "6"
    & skf21("3","1","5","1","5","7","7","1") = "6"
    & skf21("3","1","5","1","6","1","1","1") = "5"
    & skf21("3","1","5","1","6","1","2","1") = "5"
    & skf21("3","1","5","1","6","1","3","1") = "5"
    & skf21("3","1","5","1","6","1","4","1") = "5"
    & skf21("3","1","5","1","6","1","5","1") = "5"
    & skf21("3","1","5","1","6","1","6","1") = "5"
    & skf21("3","1","5","1","6","1","7","1") = "6"
    & skf21("3","1","5","1","6","2","1","1") = "5"
    & skf21("3","1","5","1","6","2","2","1") = "5"
    & skf21("3","1","5","1","6","2","3","1") = "5"
    & skf21("3","1","5","1","6","2","4","1") = "5"
    & skf21("3","1","5","1","6","2","5","1") = "5"
    & skf21("3","1","5","1","6","2","6","1") = "5"
    & skf21("3","1","5","1","6","2","7","1") = "6"
    & skf21("3","1","5","1","6","3","1","1") = "5"
    & skf21("3","1","5","1","6","3","2","1") = "5"
    & skf21("3","1","5","1","6","3","3","1") = "5"
    & skf21("3","1","5","1","6","3","4","1") = "5"
    & skf21("3","1","5","1","6","3","5","1") = "5"
    & skf21("3","1","5","1","6","3","6","1") = "5"
    & skf21("3","1","5","1","6","3","7","1") = "6"
    & skf21("3","1","5","1","6","4","1","1") = "5"
    & skf21("3","1","5","1","6","4","2","1") = "5"
    & skf21("3","1","5","1","6","4","3","1") = "5"
    & skf21("3","1","5","1","6","4","4","1") = "5"
    & skf21("3","1","5","1","6","4","5","1") = "5"
    & skf21("3","1","5","1","6","4","6","1") = "5"
    & skf21("3","1","5","1","6","4","7","1") = "6"
    & skf21("3","1","5","1","6","5","1","1") = "5"
    & skf21("3","1","5","1","6","5","2","1") = "5"
    & skf21("3","1","5","1","6","5","3","1") = "5"
    & skf21("3","1","5","1","6","5","4","1") = "5"
    & skf21("3","1","5","1","6","5","5","1") = "5"
    & skf21("3","1","5","1","6","5","6","1") = "5"
    & skf21("3","1","5","1","6","5","7","1") = "6"
    & skf21("3","1","5","1","6","6","1","1") = "5"
    & skf21("3","1","5","1","6","6","2","1") = "5"
    & skf21("3","1","5","1","6","6","3","1") = "5"
    & skf21("3","1","5","1","6","6","4","1") = "5"
    & skf21("3","1","5","1","6","6","5","1") = "5"
    & skf21("3","1","5","1","6","6","6","1") = "5"
    & skf21("3","1","5","1","6","6","7","1") = "6"
    & skf21("3","1","5","1","6","7","1","1") = "6"
    & skf21("3","1","5","1","6","7","2","1") = "6"
    & skf21("3","1","5","1","6","7","3","1") = "6"
    & skf21("3","1","5","1","6","7","4","1") = "6"
    & skf21("3","1","5","1","6","7","5","1") = "6"
    & skf21("3","1","5","1","6","7","6","1") = "6"
    & skf21("3","1","5","1","6","7","7","1") = "6"
    & skf21("3","1","5","1","7","1","1","1") = "6"
    & skf21("3","1","5","1","7","1","2","1") = "6"
    & skf21("3","1","5","1","7","1","3","1") = "6"
    & skf21("3","1","5","1","7","1","4","1") = "6"
    & skf21("3","1","5","1","7","1","5","1") = "6"
    & skf21("3","1","5","1","7","1","6","1") = "6"
    & skf21("3","1","5","1","7","1","7","1") = "6"
    & skf21("3","1","5","1","7","2","1","1") = "6"
    & skf21("3","1","5","1","7","2","2","1") = "6"
    & skf21("3","1","5","1","7","2","3","1") = "6"
    & skf21("3","1","5","1","7","2","4","1") = "6"
    & skf21("3","1","5","1","7","2","5","1") = "6"
    & skf21("3","1","5","1","7","2","6","1") = "6"
    & skf21("3","1","5","1","7","2","7","1") = "6"
    & skf21("3","1","5","1","7","3","1","1") = "6"
    & skf21("3","1","5","1","7","3","2","1") = "6"
    & skf21("3","1","5","1","7","3","3","1") = "6"
    & skf21("3","1","5","1","7","3","4","1") = "6"
    & skf21("3","1","5","1","7","3","5","1") = "6"
    & skf21("3","1","5","1","7","3","6","1") = "6"
    & skf21("3","1","5","1","7","3","7","1") = "6"
    & skf21("3","1","5","1","7","4","1","1") = "6"
    & skf21("3","1","5","1","7","4","2","1") = "6"
    & skf21("3","1","5","1","7","4","3","1") = "6"
    & skf21("3","1","5","1","7","4","4","1") = "6"
    & skf21("3","1","5","1","7","4","5","1") = "6"
    & skf21("3","1","5","1","7","4","6","1") = "6"
    & skf21("3","1","5","1","7","4","7","1") = "6"
    & skf21("3","1","5","1","7","5","1","1") = "6"
    & skf21("3","1","5","1","7","5","2","1") = "6"
    & skf21("3","1","5","1","7","5","3","1") = "6"
    & skf21("3","1","5","1","7","5","4","1") = "6"
    & skf21("3","1","5","1","7","5","5","1") = "6"
    & skf21("3","1","5","1","7","5","6","1") = "6"
    & skf21("3","1","5","1","7","5","7","1") = "6"
    & skf21("3","1","5","1","7","6","1","1") = "6"
    & skf21("3","1","5","1","7","6","2","1") = "6"
    & skf21("3","1","5","1","7","6","3","1") = "6"
    & skf21("3","1","5","1","7","6","4","1") = "6"
    & skf21("3","1","5","1","7","6","5","1") = "6"
    & skf21("3","1","5","1","7","6","6","1") = "6"
    & skf21("3","1","5","1","7","6","7","1") = "6"
    & skf21("3","1","5","1","7","7","1","1") = "6"
    & skf21("3","1","5","1","7","7","2","1") = "6"
    & skf21("3","1","5","1","7","7","3","1") = "6"
    & skf21("3","1","5","1","7","7","4","1") = "6"
    & skf21("3","1","5","1","7","7","5","1") = "6"
    & skf21("3","1","5","1","7","7","6","1") = "6"
    & skf21("3","1","5","1","7","7","7","1") = "6"
    & skf21("3","1","5","2","1","1","1","1") = "4"
    & skf21("3","1","5","2","1","1","2","1") = "4"
    & skf21("3","1","5","2","1","1","3","1") = "4"
    & skf21("3","1","5","2","1","1","4","1") = "4"
    & skf21("3","1","5","2","1","1","5","1") = "4"
    & skf21("3","1","5","2","1","1","6","1") = "5"
    & skf21("3","1","5","2","1","1","7","1") = "6"
    & skf21("3","1","5","2","1","2","1","1") = "4"
    & skf21("3","1","5","2","1","2","2","1") = "4"
    & skf21("3","1","5","2","1","2","3","1") = "4"
    & skf21("3","1","5","2","1","2","4","1") = "4"
    & skf21("3","1","5","2","1","2","5","1") = "4"
    & skf21("3","1","5","2","1","2","6","1") = "5"
    & skf21("3","1","5","2","1","2","7","1") = "6"
    & skf21("3","1","5","2","1","3","1","1") = "4"
    & skf21("3","1","5","2","1","3","2","1") = "4"
    & skf21("3","1","5","2","1","3","3","1") = "4"
    & skf21("3","1","5","2","1","3","4","1") = "4"
    & skf21("3","1","5","2","1","3","5","1") = "4"
    & skf21("3","1","5","2","1","3","6","1") = "5"
    & skf21("3","1","5","2","1","3","7","1") = "6"
    & skf21("3","1","5","2","1","4","1","1") = "4"
    & skf21("3","1","5","2","1","4","2","1") = "4"
    & skf21("3","1","5","2","1","4","3","1") = "4"
    & skf21("3","1","5","2","1","4","4","1") = "4"
    & skf21("3","1","5","2","1","4","5","1") = "4"
    & skf21("3","1","5","2","1","4","6","1") = "5"
    & skf21("3","1","5","2","1","4","7","1") = "6"
    & skf21("3","1","5","2","1","5","1","1") = "4"
    & skf21("3","1","5","2","1","5","2","1") = "4"
    & skf21("3","1","5","2","1","5","3","1") = "4"
    & skf21("3","1","5","2","1","5","4","1") = "4"
    & skf21("3","1","5","2","1","5","5","1") = "4"
    & skf21("3","1","5","2","1","5","6","1") = "5"
    & skf21("3","1","5","2","1","5","7","1") = "6"
    & skf21("3","1","5","2","1","6","1","1") = "5"
    & skf21("3","1","5","2","1","6","2","1") = "5"
    & skf21("3","1","5","2","1","6","3","1") = "5"
    & skf21("3","1","5","2","1","6","4","1") = "5"
    & skf21("3","1","5","2","1","6","5","1") = "5"
    & skf21("3","1","5","2","1","6","6","1") = "5"
    & skf21("3","1","5","2","1","6","7","1") = "6"
    & skf21("3","1","5","2","1","7","1","1") = "6"
    & skf21("3","1","5","2","1","7","2","1") = "6"
    & skf21("3","1","5","2","1","7","3","1") = "6"
    & skf21("3","1","5","2","1","7","4","1") = "6"
    & skf21("3","1","5","2","1","7","5","1") = "6"
    & skf21("3","1","5","2","1","7","6","1") = "6"
    & skf21("3","1","5","2","1","7","7","1") = "6"
    & skf21("3","1","5","2","2","1","1","1") = "4"
    & skf21("3","1","5","2","2","1","2","1") = "4"
    & skf21("3","1","5","2","2","1","3","1") = "4"
    & skf21("3","1","5","2","2","1","4","1") = "4"
    & skf21("3","1","5","2","2","1","5","1") = "4"
    & skf21("3","1","5","2","2","1","6","1") = "5"
    & skf21("3","1","5","2","2","1","7","1") = "6"
    & skf21("3","1","5","2","2","2","1","1") = "4"
    & skf21("3","1","5","2","2","2","2","1") = "4"
    & skf21("3","1","5","2","2","2","3","1") = "4"
    & skf21("3","1","5","2","2","2","4","1") = "4"
    & skf21("3","1","5","2","2","2","5","1") = "4"
    & skf21("3","1","5","2","2","2","6","1") = "5"
    & skf21("3","1","5","2","2","2","7","1") = "6"
    & skf21("3","1","5","2","2","3","1","1") = "4"
    & skf21("3","1","5","2","2","3","2","1") = "4"
    & skf21("3","1","5","2","2","3","3","1") = "4"
    & skf21("3","1","5","2","2","3","4","1") = "4"
    & skf21("3","1","5","2","2","3","5","1") = "4"
    & skf21("3","1","5","2","2","3","6","1") = "5"
    & skf21("3","1","5","2","2","3","7","1") = "6"
    & skf21("3","1","5","2","2","4","1","1") = "4"
    & skf21("3","1","5","2","2","4","2","1") = "4"
    & skf21("3","1","5","2","2","4","3","1") = "4"
    & skf21("3","1","5","2","2","4","4","1") = "4"
    & skf21("3","1","5","2","2","4","5","1") = "4"
    & skf21("3","1","5","2","2","4","6","1") = "5"
    & skf21("3","1","5","2","2","4","7","1") = "6"
    & skf21("3","1","5","2","2","5","1","1") = "4"
    & skf21("3","1","5","2","2","5","2","1") = "4"
    & skf21("3","1","5","2","2","5","3","1") = "4"
    & skf21("3","1","5","2","2","5","4","1") = "4"
    & skf21("3","1","5","2","2","5","5","1") = "4"
    & skf21("3","1","5","2","2","5","6","1") = "5"
    & skf21("3","1","5","2","2","5","7","1") = "6"
    & skf21("3","1","5","2","2","6","1","1") = "5"
    & skf21("3","1","5","2","2","6","2","1") = "5"
    & skf21("3","1","5","2","2","6","3","1") = "5"
    & skf21("3","1","5","2","2","6","4","1") = "5"
    & skf21("3","1","5","2","2","6","5","1") = "5"
    & skf21("3","1","5","2","2","6","6","1") = "5"
    & skf21("3","1","5","2","2","6","7","1") = "6"
    & skf21("3","1","5","2","2","7","1","1") = "6"
    & skf21("3","1","5","2","2","7","2","1") = "6"
    & skf21("3","1","5","2","2","7","3","1") = "6"
    & skf21("3","1","5","2","2","7","4","1") = "6"
    & skf21("3","1","5","2","2","7","5","1") = "6"
    & skf21("3","1","5","2","2","7","6","1") = "6"
    & skf21("3","1","5","2","2","7","7","1") = "6"
    & skf21("3","1","5","2","3","1","1","1") = "4"
    & skf21("3","1","5","2","3","1","2","1") = "4"
    & skf21("3","1","5","2","3","1","3","1") = "4"
    & skf21("3","1","5","2","3","1","4","1") = "4"
    & skf21("3","1","5","2","3","1","5","1") = "4"
    & skf21("3","1","5","2","3","1","6","1") = "5"
    & skf21("3","1","5","2","3","1","7","1") = "6"
    & skf21("3","1","5","2","3","2","1","1") = "4"
    & skf21("3","1","5","2","3","2","2","1") = "4"
    & skf21("3","1","5","2","3","2","3","1") = "4"
    & skf21("3","1","5","2","3","2","4","1") = "4"
    & skf21("3","1","5","2","3","2","5","1") = "4"
    & skf21("3","1","5","2","3","2","6","1") = "5"
    & skf21("3","1","5","2","3","2","7","1") = "6"
    & skf21("3","1","5","2","3","3","1","1") = "4"
    & skf21("3","1","5","2","3","3","2","1") = "4"
    & skf21("3","1","5","2","3","3","3","1") = "4"
    & skf21("3","1","5","2","3","3","4","1") = "4"
    & skf21("3","1","5","2","3","3","5","1") = "4"
    & skf21("3","1","5","2","3","3","6","1") = "5"
    & skf21("3","1","5","2","3","3","7","1") = "6"
    & skf21("3","1","5","2","3","4","1","1") = "4"
    & skf21("3","1","5","2","3","4","2","1") = "4"
    & skf21("3","1","5","2","3","4","3","1") = "4"
    & skf21("3","1","5","2","3","4","4","1") = "4"
    & skf21("3","1","5","2","3","4","5","1") = "4"
    & skf21("3","1","5","2","3","4","6","1") = "5"
    & skf21("3","1","5","2","3","4","7","1") = "6"
    & skf21("3","1","5","2","3","5","1","1") = "4"
    & skf21("3","1","5","2","3","5","2","1") = "4"
    & skf21("3","1","5","2","3","5","3","1") = "4"
    & skf21("3","1","5","2","3","5","4","1") = "4"
    & skf21("3","1","5","2","3","5","5","1") = "4"
    & skf21("3","1","5","2","3","5","6","1") = "5"
    & skf21("3","1","5","2","3","5","7","1") = "6"
    & skf21("3","1","5","2","3","6","1","1") = "5"
    & skf21("3","1","5","2","3","6","2","1") = "5"
    & skf21("3","1","5","2","3","6","3","1") = "5"
    & skf21("3","1","5","2","3","6","4","1") = "5"
    & skf21("3","1","5","2","3","6","5","1") = "5"
    & skf21("3","1","5","2","3","6","6","1") = "5"
    & skf21("3","1","5","2","3","6","7","1") = "6"
    & skf21("3","1","5","2","3","7","1","1") = "6"
    & skf21("3","1","5","2","3","7","2","1") = "6"
    & skf21("3","1","5","2","3","7","3","1") = "6"
    & skf21("3","1","5","2","3","7","4","1") = "6"
    & skf21("3","1","5","2","3","7","5","1") = "6"
    & skf21("3","1","5","2","3","7","6","1") = "6"
    & skf21("3","1","5","2","3","7","7","1") = "6"
    & skf21("3","1","5","2","4","1","1","1") = "4"
    & skf21("3","1","5","2","4","1","2","1") = "4"
    & skf21("3","1","5","2","4","1","3","1") = "4"
    & skf21("3","1","5","2","4","1","4","1") = "4"
    & skf21("3","1","5","2","4","1","5","1") = "4"
    & skf21("3","1","5","2","4","1","6","1") = "5"
    & skf21("3","1","5","2","4","1","7","1") = "6"
    & skf21("3","1","5","2","4","2","1","1") = "4"
    & skf21("3","1","5","2","4","2","2","1") = "4"
    & skf21("3","1","5","2","4","2","3","1") = "4"
    & skf21("3","1","5","2","4","2","4","1") = "4"
    & skf21("3","1","5","2","4","2","5","1") = "4"
    & skf21("3","1","5","2","4","2","6","1") = "5"
    & skf21("3","1","5","2","4","2","7","1") = "6"
    & skf21("3","1","5","2","4","3","1","1") = "4"
    & skf21("3","1","5","2","4","3","2","1") = "4"
    & skf21("3","1","5","2","4","3","3","1") = "4"
    & skf21("3","1","5","2","4","3","4","1") = "4"
    & skf21("3","1","5","2","4","3","5","1") = "4"
    & skf21("3","1","5","2","4","3","6","1") = "5"
    & skf21("3","1","5","2","4","3","7","1") = "6"
    & skf21("3","1","5","2","4","4","1","1") = "4"
    & skf21("3","1","5","2","4","4","2","1") = "4"
    & skf21("3","1","5","2","4","4","3","1") = "4"
    & skf21("3","1","5","2","4","4","4","1") = "4"
    & skf21("3","1","5","2","4","4","5","1") = "4"
    & skf21("3","1","5","2","4","4","6","1") = "5"
    & skf21("3","1","5","2","4","4","7","1") = "6"
    & skf21("3","1","5","2","4","5","1","1") = "4"
    & skf21("3","1","5","2","4","5","2","1") = "4"
    & skf21("3","1","5","2","4","5","3","1") = "4"
    & skf21("3","1","5","2","4","5","4","1") = "4"
    & skf21("3","1","5","2","4","5","5","1") = "4"
    & skf21("3","1","5","2","4","5","6","1") = "5"
    & skf21("3","1","5","2","4","5","7","1") = "6"
    & skf21("3","1","5","2","4","6","1","1") = "5"
    & skf21("3","1","5","2","4","6","2","1") = "5"
    & skf21("3","1","5","2","4","6","3","1") = "5"
    & skf21("3","1","5","2","4","6","4","1") = "5"
    & skf21("3","1","5","2","4","6","5","1") = "5"
    & skf21("3","1","5","2","4","6","6","1") = "5"
    & skf21("3","1","5","2","4","6","7","1") = "6"
    & skf21("3","1","5","2","4","7","1","1") = "6"
    & skf21("3","1","5","2","4","7","2","1") = "6"
    & skf21("3","1","5","2","4","7","3","1") = "6"
    & skf21("3","1","5","2","4","7","4","1") = "6"
    & skf21("3","1","5","2","4","7","5","1") = "6"
    & skf21("3","1","5","2","4","7","6","1") = "6"
    & skf21("3","1","5","2","4","7","7","1") = "6"
    & skf21("3","1","5","2","5","1","1","1") = "4"
    & skf21("3","1","5","2","5","1","2","1") = "4"
    & skf21("3","1","5","2","5","1","3","1") = "4"
    & skf21("3","1","5","2","5","1","4","1") = "4"
    & skf21("3","1","5","2","5","1","5","1") = "4"
    & skf21("3","1","5","2","5","1","6","1") = "5"
    & skf21("3","1","5","2","5","1","7","1") = "6"
    & skf21("3","1","5","2","5","2","1","1") = "4"
    & skf21("3","1","5","2","5","2","2","1") = "4"
    & skf21("3","1","5","2","5","2","3","1") = "4"
    & skf21("3","1","5","2","5","2","4","1") = "4"
    & skf21("3","1","5","2","5","2","5","1") = "4"
    & skf21("3","1","5","2","5","2","6","1") = "5"
    & skf21("3","1","5","2","5","2","7","1") = "6"
    & skf21("3","1","5","2","5","3","1","1") = "4"
    & skf21("3","1","5","2","5","3","2","1") = "4"
    & skf21("3","1","5","2","5","3","3","1") = "4"
    & skf21("3","1","5","2","5","3","4","1") = "4"
    & skf21("3","1","5","2","5","3","5","1") = "4"
    & skf21("3","1","5","2","5","3","6","1") = "5"
    & skf21("3","1","5","2","5","3","7","1") = "6"
    & skf21("3","1","5","2","5","4","1","1") = "4"
    & skf21("3","1","5","2","5","4","2","1") = "4"
    & skf21("3","1","5","2","5","4","3","1") = "4"
    & skf21("3","1","5","2","5","4","4","1") = "4"
    & skf21("3","1","5","2","5","4","5","1") = "4"
    & skf21("3","1","5","2","5","4","6","1") = "5"
    & skf21("3","1","5","2","5","4","7","1") = "6"
    & skf21("3","1","5","2","5","5","1","1") = "4"
    & skf21("3","1","5","2","5","5","2","1") = "4"
    & skf21("3","1","5","2","5","5","3","1") = "4"
    & skf21("3","1","5","2","5","5","4","1") = "4"
    & skf21("3","1","5","2","5","5","5","1") = "4"
    & skf21("3","1","5","2","5","5","6","1") = "5"
    & skf21("3","1","5","2","5","5","7","1") = "6"
    & skf21("3","1","5","2","5","6","1","1") = "5"
    & skf21("3","1","5","2","5","6","2","1") = "5"
    & skf21("3","1","5","2","5","6","3","1") = "5"
    & skf21("3","1","5","2","5","6","4","1") = "5"
    & skf21("3","1","5","2","5","6","5","1") = "5"
    & skf21("3","1","5","2","5","6","6","1") = "5"
    & skf21("3","1","5","2","5","6","7","1") = "6"
    & skf21("3","1","5","2","5","7","1","1") = "6"
    & skf21("3","1","5","2","5","7","2","1") = "6"
    & skf21("3","1","5","2","5","7","3","1") = "6"
    & skf21("3","1","5","2","5","7","4","1") = "6"
    & skf21("3","1","5","2","5","7","5","1") = "6"
    & skf21("3","1","5","2","5","7","6","1") = "6"
    & skf21("3","1","5","2","5","7","7","1") = "6"
    & skf21("3","1","5","2","6","1","1","1") = "5"
    & skf21("3","1","5","2","6","1","2","1") = "5"
    & skf21("3","1","5","2","6","1","3","1") = "5"
    & skf21("3","1","5","2","6","1","4","1") = "5"
    & skf21("3","1","5","2","6","1","5","1") = "5"
    & skf21("3","1","5","2","6","1","6","1") = "5"
    & skf21("3","1","5","2","6","1","7","1") = "6"
    & skf21("3","1","5","2","6","2","1","1") = "5"
    & skf21("3","1","5","2","6","2","2","1") = "5"
    & skf21("3","1","5","2","6","2","3","1") = "5"
    & skf21("3","1","5","2","6","2","4","1") = "5"
    & skf21("3","1","5","2","6","2","5","1") = "5"
    & skf21("3","1","5","2","6","2","6","1") = "5"
    & skf21("3","1","5","2","6","2","7","1") = "6"
    & skf21("3","1","5","2","6","3","1","1") = "5"
    & skf21("3","1","5","2","6","3","2","1") = "5"
    & skf21("3","1","5","2","6","3","3","1") = "5"
    & skf21("3","1","5","2","6","3","4","1") = "5"
    & skf21("3","1","5","2","6","3","5","1") = "5"
    & skf21("3","1","5","2","6","3","6","1") = "5"
    & skf21("3","1","5","2","6","3","7","1") = "6"
    & skf21("3","1","5","2","6","4","1","1") = "5"
    & skf21("3","1","5","2","6","4","2","1") = "5"
    & skf21("3","1","5","2","6","4","3","1") = "5"
    & skf21("3","1","5","2","6","4","4","1") = "5"
    & skf21("3","1","5","2","6","4","5","1") = "5"
    & skf21("3","1","5","2","6","4","6","1") = "5"
    & skf21("3","1","5","2","6","4","7","1") = "6"
    & skf21("3","1","5","2","6","5","1","1") = "5"
    & skf21("3","1","5","2","6","5","2","1") = "5"
    & skf21("3","1","5","2","6","5","3","1") = "5"
    & skf21("3","1","5","2","6","5","4","1") = "5"
    & skf21("3","1","5","2","6","5","5","1") = "5"
    & skf21("3","1","5","2","6","5","6","1") = "5"
    & skf21("3","1","5","2","6","5","7","1") = "6"
    & skf21("3","1","5","2","6","6","1","1") = "5"
    & skf21("3","1","5","2","6","6","2","1") = "5"
    & skf21("3","1","5","2","6","6","3","1") = "5"
    & skf21("3","1","5","2","6","6","4","1") = "5"
    & skf21("3","1","5","2","6","6","5","1") = "5"
    & skf21("3","1","5","2","6","6","6","1") = "5"
    & skf21("3","1","5","2","6","6","7","1") = "6"
    & skf21("3","1","5","2","6","7","1","1") = "6"
    & skf21("3","1","5","2","6","7","2","1") = "6"
    & skf21("3","1","5","2","6","7","3","1") = "6"
    & skf21("3","1","5","2","6","7","4","1") = "6"
    & skf21("3","1","5","2","6","7","5","1") = "6"
    & skf21("3","1","5","2","6","7","6","1") = "6"
    & skf21("3","1","5","2","6","7","7","1") = "6"
    & skf21("3","1","5","2","7","1","1","1") = "6"
    & skf21("3","1","5","2","7","1","2","1") = "6"
    & skf21("3","1","5","2","7","1","3","1") = "6"
    & skf21("3","1","5","2","7","1","4","1") = "6"
    & skf21("3","1","5","2","7","1","5","1") = "6"
    & skf21("3","1","5","2","7","1","6","1") = "6"
    & skf21("3","1","5","2","7","1","7","1") = "6"
    & skf21("3","1","5","2","7","2","1","1") = "6"
    & skf21("3","1","5","2","7","2","2","1") = "6"
    & skf21("3","1","5","2","7","2","3","1") = "6"
    & skf21("3","1","5","2","7","2","4","1") = "6"
    & skf21("3","1","5","2","7","2","5","1") = "6"
    & skf21("3","1","5","2","7","2","6","1") = "6"
    & skf21("3","1","5","2","7","2","7","1") = "6"
    & skf21("3","1","5","2","7","3","1","1") = "6"
    & skf21("3","1","5","2","7","3","2","1") = "6"
    & skf21("3","1","5","2","7","3","3","1") = "6"
    & skf21("3","1","5","2","7","3","4","1") = "6"
    & skf21("3","1","5","2","7","3","5","1") = "6"
    & skf21("3","1","5","2","7","3","6","1") = "6"
    & skf21("3","1","5","2","7","3","7","1") = "6"
    & skf21("3","1","5","2","7","4","1","1") = "6"
    & skf21("3","1","5","2","7","4","2","1") = "6"
    & skf21("3","1","5","2","7","4","3","1") = "6"
    & skf21("3","1","5","2","7","4","4","1") = "6"
    & skf21("3","1","5","2","7","4","5","1") = "6"
    & skf21("3","1","5","2","7","4","6","1") = "6"
    & skf21("3","1","5","2","7","4","7","1") = "6"
    & skf21("3","1","5","2","7","5","1","1") = "6"
    & skf21("3","1","5","2","7","5","2","1") = "6"
    & skf21("3","1","5","2","7","5","3","1") = "6"
    & skf21("3","1","5","2","7","5","4","1") = "6"
    & skf21("3","1","5","2","7","5","5","1") = "6"
    & skf21("3","1","5","2","7","5","6","1") = "6"
    & skf21("3","1","5","2","7","5","7","1") = "6"
    & skf21("3","1","5","2","7","6","1","1") = "6"
    & skf21("3","1","5","2","7","6","2","1") = "6"
    & skf21("3","1","5","2","7","6","3","1") = "6"
    & skf21("3","1","5","2","7","6","4","1") = "6"
    & skf21("3","1","5","2","7","6","5","1") = "6"
    & skf21("3","1","5","2","7","6","6","1") = "6"
    & skf21("3","1","5","2","7","6","7","1") = "6"
    & skf21("3","1","5","2","7","7","1","1") = "6"
    & skf21("3","1","5","2","7","7","2","1") = "6"
    & skf21("3","1","5","2","7","7","3","1") = "6"
    & skf21("3","1","5","2","7","7","4","1") = "6"
    & skf21("3","1","5","2","7","7","5","1") = "6"
    & skf21("3","1","5","2","7","7","6","1") = "6"
    & skf21("3","1","5","2","7","7","7","1") = "6"
    & skf21("3","1","5","3","1","1","1","1") = "4"
    & skf21("3","1","5","3","1","1","2","1") = "4"
    & skf21("3","1","5","3","1","1","3","1") = "4"
    & skf21("3","1","5","3","1","1","4","1") = "4"
    & skf21("3","1","5","3","1","1","5","1") = "4"
    & skf21("3","1","5","3","1","1","6","1") = "5"
    & skf21("3","1","5","3","1","1","7","1") = "6"
    & skf21("3","1","5","3","1","2","1","1") = "4"
    & skf21("3","1","5","3","1","2","2","1") = "4"
    & skf21("3","1","5","3","1","2","3","1") = "4"
    & skf21("3","1","5","3","1","2","4","1") = "4"
    & skf21("3","1","5","3","1","2","5","1") = "4"
    & skf21("3","1","5","3","1","2","6","1") = "5"
    & skf21("3","1","5","3","1","2","7","1") = "6"
    & skf21("3","1","5","3","1","3","1","1") = "4"
    & skf21("3","1","5","3","1","3","2","1") = "4"
    & skf21("3","1","5","3","1","3","3","1") = "4"
    & skf21("3","1","5","3","1","3","4","1") = "4"
    & skf21("3","1","5","3","1","3","5","1") = "4"
    & skf21("3","1","5","3","1","3","6","1") = "5"
    & skf21("3","1","5","3","1","3","7","1") = "6"
    & skf21("3","1","5","3","1","4","1","1") = "4"
    & skf21("3","1","5","3","1","4","2","1") = "4"
    & skf21("3","1","5","3","1","4","3","1") = "4"
    & skf21("3","1","5","3","1","4","4","1") = "4"
    & skf21("3","1","5","3","1","4","5","1") = "4"
    & skf21("3","1","5","3","1","4","6","1") = "5"
    & skf21("3","1","5","3","1","4","7","1") = "6"
    & skf21("3","1","5","3","1","5","1","1") = "4"
    & skf21("3","1","5","3","1","5","2","1") = "4"
    & skf21("3","1","5","3","1","5","3","1") = "4"
    & skf21("3","1","5","3","1","5","4","1") = "4"
    & skf21("3","1","5","3","1","5","5","1") = "4"
    & skf21("3","1","5","3","1","5","6","1") = "5"
    & skf21("3","1","5","3","1","5","7","1") = "6"
    & skf21("3","1","5","3","1","6","1","1") = "5"
    & skf21("3","1","5","3","1","6","2","1") = "5"
    & skf21("3","1","5","3","1","6","3","1") = "5"
    & skf21("3","1","5","3","1","6","4","1") = "5"
    & skf21("3","1","5","3","1","6","5","1") = "5"
    & skf21("3","1","5","3","1","6","6","1") = "5"
    & skf21("3","1","5","3","1","6","7","1") = "6"
    & skf21("3","1","5","3","1","7","1","1") = "6"
    & skf21("3","1","5","3","1","7","2","1") = "6"
    & skf21("3","1","5","3","1","7","3","1") = "6"
    & skf21("3","1","5","3","1","7","4","1") = "6"
    & skf21("3","1","5","3","1","7","5","1") = "6"
    & skf21("3","1","5","3","1","7","6","1") = "6"
    & skf21("3","1","5","3","1","7","7","1") = "6"
    & skf21("3","1","5","3","2","1","1","1") = "4"
    & skf21("3","1","5","3","2","1","2","1") = "4"
    & skf21("3","1","5","3","2","1","3","1") = "4"
    & skf21("3","1","5","3","2","1","4","1") = "4"
    & skf21("3","1","5","3","2","1","5","1") = "4"
    & skf21("3","1","5","3","2","1","6","1") = "5"
    & skf21("3","1","5","3","2","1","7","1") = "6"
    & skf21("3","1","5","3","2","2","1","1") = "4"
    & skf21("3","1","5","3","2","2","2","1") = "4"
    & skf21("3","1","5","3","2","2","3","1") = "4"
    & skf21("3","1","5","3","2","2","4","1") = "4"
    & skf21("3","1","5","3","2","2","5","1") = "4"
    & skf21("3","1","5","3","2","2","6","1") = "5"
    & skf21("3","1","5","3","2","2","7","1") = "6"
    & skf21("3","1","5","3","2","3","1","1") = "4"
    & skf21("3","1","5","3","2","3","2","1") = "4"
    & skf21("3","1","5","3","2","3","3","1") = "4"
    & skf21("3","1","5","3","2","3","4","1") = "4"
    & skf21("3","1","5","3","2","3","5","1") = "4"
    & skf21("3","1","5","3","2","3","6","1") = "5"
    & skf21("3","1","5","3","2","3","7","1") = "6"
    & skf21("3","1","5","3","2","4","1","1") = "4"
    & skf21("3","1","5","3","2","4","2","1") = "4"
    & skf21("3","1","5","3","2","4","3","1") = "4"
    & skf21("3","1","5","3","2","4","4","1") = "4"
    & skf21("3","1","5","3","2","4","5","1") = "4"
    & skf21("3","1","5","3","2","4","6","1") = "5"
    & skf21("3","1","5","3","2","4","7","1") = "6"
    & skf21("3","1","5","3","2","5","1","1") = "4"
    & skf21("3","1","5","3","2","5","2","1") = "4"
    & skf21("3","1","5","3","2","5","3","1") = "4"
    & skf21("3","1","5","3","2","5","4","1") = "4"
    & skf21("3","1","5","3","2","5","5","1") = "4"
    & skf21("3","1","5","3","2","5","6","1") = "5"
    & skf21("3","1","5","3","2","5","7","1") = "6"
    & skf21("3","1","5","3","2","6","1","1") = "5"
    & skf21("3","1","5","3","2","6","2","1") = "5"
    & skf21("3","1","5","3","2","6","3","1") = "5"
    & skf21("3","1","5","3","2","6","4","1") = "5"
    & skf21("3","1","5","3","2","6","5","1") = "5"
    & skf21("3","1","5","3","2","6","6","1") = "5"
    & skf21("3","1","5","3","2","6","7","1") = "6"
    & skf21("3","1","5","3","2","7","1","1") = "6"
    & skf21("3","1","5","3","2","7","2","1") = "6"
    & skf21("3","1","5","3","2","7","3","1") = "6"
    & skf21("3","1","5","3","2","7","4","1") = "6"
    & skf21("3","1","5","3","2","7","5","1") = "6"
    & skf21("3","1","5","3","2","7","6","1") = "6"
    & skf21("3","1","5","3","2","7","7","1") = "6"
    & skf21("3","1","5","3","3","1","1","1") = "4"
    & skf21("3","1","5","3","3","1","2","1") = "4"
    & skf21("3","1","5","3","3","1","3","1") = "4"
    & skf21("3","1","5","3","3","1","4","1") = "4"
    & skf21("3","1","5","3","3","1","5","1") = "4"
    & skf21("3","1","5","3","3","1","6","1") = "5"
    & skf21("3","1","5","3","3","1","7","1") = "6"
    & skf21("3","1","5","3","3","2","1","1") = "4"
    & skf21("3","1","5","3","3","2","2","1") = "4"
    & skf21("3","1","5","3","3","2","3","1") = "4"
    & skf21("3","1","5","3","3","2","4","1") = "4"
    & skf21("3","1","5","3","3","2","5","1") = "4"
    & skf21("3","1","5","3","3","2","6","1") = "5"
    & skf21("3","1","5","3","3","2","7","1") = "6"
    & skf21("3","1","5","3","3","3","1","1") = "4"
    & skf21("3","1","5","3","3","3","2","1") = "4"
    & skf21("3","1","5","3","3","3","3","1") = "4"
    & skf21("3","1","5","3","3","3","4","1") = "4"
    & skf21("3","1","5","3","3","3","5","1") = "4"
    & skf21("3","1","5","3","3","3","6","1") = "5"
    & skf21("3","1","5","3","3","3","7","1") = "6"
    & skf21("3","1","5","3","3","4","1","1") = "4"
    & skf21("3","1","5","3","3","4","2","1") = "4"
    & skf21("3","1","5","3","3","4","3","1") = "4"
    & skf21("3","1","5","3","3","4","4","1") = "4"
    & skf21("3","1","5","3","3","4","5","1") = "4"
    & skf21("3","1","5","3","3","4","6","1") = "5"
    & skf21("3","1","5","3","3","4","7","1") = "6"
    & skf21("3","1","5","3","3","5","1","1") = "4"
    & skf21("3","1","5","3","3","5","2","1") = "4"
    & skf21("3","1","5","3","3","5","3","1") = "4"
    & skf21("3","1","5","3","3","5","4","1") = "4"
    & skf21("3","1","5","3","3","5","5","1") = "4"
    & skf21("3","1","5","3","3","5","6","1") = "5"
    & skf21("3","1","5","3","3","5","7","1") = "6"
    & skf21("3","1","5","3","3","6","1","1") = "5"
    & skf21("3","1","5","3","3","6","2","1") = "5"
    & skf21("3","1","5","3","3","6","3","1") = "5"
    & skf21("3","1","5","3","3","6","4","1") = "5"
    & skf21("3","1","5","3","3","6","5","1") = "5"
    & skf21("3","1","5","3","3","6","6","1") = "5"
    & skf21("3","1","5","3","3","6","7","1") = "6"
    & skf21("3","1","5","3","3","7","1","1") = "6"
    & skf21("3","1","5","3","3","7","2","1") = "6"
    & skf21("3","1","5","3","3","7","3","1") = "6"
    & skf21("3","1","5","3","3","7","4","1") = "6"
    & skf21("3","1","5","3","3","7","5","1") = "6"
    & skf21("3","1","5","3","3","7","6","1") = "6"
    & skf21("3","1","5","3","3","7","7","1") = "6"
    & skf21("3","1","5","3","4","1","1","1") = "4"
    & skf21("3","1","5","3","4","1","2","1") = "4"
    & skf21("3","1","5","3","4","1","3","1") = "4"
    & skf21("3","1","5","3","4","1","4","1") = "4"
    & skf21("3","1","5","3","4","1","5","1") = "4"
    & skf21("3","1","5","3","4","1","6","1") = "5"
    & skf21("3","1","5","3","4","1","7","1") = "6"
    & skf21("3","1","5","3","4","2","1","1") = "4"
    & skf21("3","1","5","3","4","2","2","1") = "4"
    & skf21("3","1","5","3","4","2","3","1") = "4"
    & skf21("3","1","5","3","4","2","4","1") = "4"
    & skf21("3","1","5","3","4","2","5","1") = "4"
    & skf21("3","1","5","3","4","2","6","1") = "5"
    & skf21("3","1","5","3","4","2","7","1") = "6"
    & skf21("3","1","5","3","4","3","1","1") = "4"
    & skf21("3","1","5","3","4","3","2","1") = "4"
    & skf21("3","1","5","3","4","3","3","1") = "4"
    & skf21("3","1","5","3","4","3","4","1") = "4"
    & skf21("3","1","5","3","4","3","5","1") = "4"
    & skf21("3","1","5","3","4","3","6","1") = "5"
    & skf21("3","1","5","3","4","3","7","1") = "6"
    & skf21("3","1","5","3","4","4","1","1") = "4"
    & skf21("3","1","5","3","4","4","2","1") = "4"
    & skf21("3","1","5","3","4","4","3","1") = "4"
    & skf21("3","1","5","3","4","4","4","1") = "4"
    & skf21("3","1","5","3","4","4","5","1") = "4"
    & skf21("3","1","5","3","4","4","6","1") = "5"
    & skf21("3","1","5","3","4","4","7","1") = "6"
    & skf21("3","1","5","3","4","5","1","1") = "4"
    & skf21("3","1","5","3","4","5","2","1") = "4"
    & skf21("3","1","5","3","4","5","3","1") = "4"
    & skf21("3","1","5","3","4","5","4","1") = "4"
    & skf21("3","1","5","3","4","5","5","1") = "4"
    & skf21("3","1","5","3","4","5","6","1") = "5"
    & skf21("3","1","5","3","4","5","7","1") = "6"
    & skf21("3","1","5","3","4","6","1","1") = "5"
    & skf21("3","1","5","3","4","6","2","1") = "5"
    & skf21("3","1","5","3","4","6","3","1") = "5"
    & skf21("3","1","5","3","4","6","4","1") = "5"
    & skf21("3","1","5","3","4","6","5","1") = "5"
    & skf21("3","1","5","3","4","6","6","1") = "5"
    & skf21("3","1","5","3","4","6","7","1") = "6"
    & skf21("3","1","5","3","4","7","1","1") = "6"
    & skf21("3","1","5","3","4","7","2","1") = "6"
    & skf21("3","1","5","3","4","7","3","1") = "6"
    & skf21("3","1","5","3","4","7","4","1") = "6"
    & skf21("3","1","5","3","4","7","5","1") = "6"
    & skf21("3","1","5","3","4","7","6","1") = "6"
    & skf21("3","1","5","3","4","7","7","1") = "6"
    & skf21("3","1","5","3","5","1","1","1") = "4"
    & skf21("3","1","5","3","5","1","2","1") = "4"
    & skf21("3","1","5","3","5","1","3","1") = "4"
    & skf21("3","1","5","3","5","1","4","1") = "4"
    & skf21("3","1","5","3","5","1","5","1") = "4"
    & skf21("3","1","5","3","5","1","6","1") = "5"
    & skf21("3","1","5","3","5","1","7","1") = "6"
    & skf21("3","1","5","3","5","2","1","1") = "4"
    & skf21("3","1","5","3","5","2","2","1") = "4"
    & skf21("3","1","5","3","5","2","3","1") = "4"
    & skf21("3","1","5","3","5","2","4","1") = "4"
    & skf21("3","1","5","3","5","2","5","1") = "4"
    & skf21("3","1","5","3","5","2","6","1") = "5"
    & skf21("3","1","5","3","5","2","7","1") = "6"
    & skf21("3","1","5","3","5","3","1","1") = "4"
    & skf21("3","1","5","3","5","3","2","1") = "4"
    & skf21("3","1","5","3","5","3","3","1") = "4"
    & skf21("3","1","5","3","5","3","4","1") = "4"
    & skf21("3","1","5","3","5","3","5","1") = "4"
    & skf21("3","1","5","3","5","3","6","1") = "5"
    & skf21("3","1","5","3","5","3","7","1") = "6"
    & skf21("3","1","5","3","5","4","1","1") = "4"
    & skf21("3","1","5","3","5","4","2","1") = "4"
    & skf21("3","1","5","3","5","4","3","1") = "4"
    & skf21("3","1","5","3","5","4","4","1") = "4"
    & skf21("3","1","5","3","5","4","5","1") = "4"
    & skf21("3","1","5","3","5","4","6","1") = "5"
    & skf21("3","1","5","3","5","4","7","1") = "6"
    & skf21("3","1","5","3","5","5","1","1") = "4"
    & skf21("3","1","5","3","5","5","2","1") = "4"
    & skf21("3","1","5","3","5","5","3","1") = "4"
    & skf21("3","1","5","3","5","5","4","1") = "4"
    & skf21("3","1","5","3","5","5","5","1") = "4"
    & skf21("3","1","5","3","5","5","6","1") = "5"
    & skf21("3","1","5","3","5","5","7","1") = "6"
    & skf21("3","1","5","3","5","6","1","1") = "5"
    & skf21("3","1","5","3","5","6","2","1") = "5"
    & skf21("3","1","5","3","5","6","3","1") = "5"
    & skf21("3","1","5","3","5","6","4","1") = "5"
    & skf21("3","1","5","3","5","6","5","1") = "5"
    & skf21("3","1","5","3","5","6","6","1") = "5"
    & skf21("3","1","5","3","5","6","7","1") = "6"
    & skf21("3","1","5","3","5","7","1","1") = "6"
    & skf21("3","1","5","3","5","7","2","1") = "6"
    & skf21("3","1","5","3","5","7","3","1") = "6"
    & skf21("3","1","5","3","5","7","4","1") = "6"
    & skf21("3","1","5","3","5","7","5","1") = "6"
    & skf21("3","1","5","3","5","7","6","1") = "6"
    & skf21("3","1","5","3","5","7","7","1") = "6"
    & skf21("3","1","5","3","6","1","1","1") = "5"
    & skf21("3","1","5","3","6","1","2","1") = "5"
    & skf21("3","1","5","3","6","1","3","1") = "5"
    & skf21("3","1","5","3","6","1","4","1") = "5"
    & skf21("3","1","5","3","6","1","5","1") = "5"
    & skf21("3","1","5","3","6","1","6","1") = "5"
    & skf21("3","1","5","3","6","1","7","1") = "6"
    & skf21("3","1","5","3","6","2","1","1") = "5"
    & skf21("3","1","5","3","6","2","2","1") = "5"
    & skf21("3","1","5","3","6","2","3","1") = "5"
    & skf21("3","1","5","3","6","2","4","1") = "5"
    & skf21("3","1","5","3","6","2","5","1") = "5"
    & skf21("3","1","5","3","6","2","6","1") = "5"
    & skf21("3","1","5","3","6","2","7","1") = "6"
    & skf21("3","1","5","3","6","3","1","1") = "5"
    & skf21("3","1","5","3","6","3","2","1") = "5"
    & skf21("3","1","5","3","6","3","3","1") = "5"
    & skf21("3","1","5","3","6","3","4","1") = "5"
    & skf21("3","1","5","3","6","3","5","1") = "5"
    & skf21("3","1","5","3","6","3","6","1") = "5"
    & skf21("3","1","5","3","6","3","7","1") = "6"
    & skf21("3","1","5","3","6","4","1","1") = "5"
    & skf21("3","1","5","3","6","4","2","1") = "5"
    & skf21("3","1","5","3","6","4","3","1") = "5"
    & skf21("3","1","5","3","6","4","4","1") = "5"
    & skf21("3","1","5","3","6","4","5","1") = "5"
    & skf21("3","1","5","3","6","4","6","1") = "5"
    & skf21("3","1","5","3","6","4","7","1") = "6"
    & skf21("3","1","5","3","6","5","1","1") = "5"
    & skf21("3","1","5","3","6","5","2","1") = "5"
    & skf21("3","1","5","3","6","5","3","1") = "5"
    & skf21("3","1","5","3","6","5","4","1") = "5"
    & skf21("3","1","5","3","6","5","5","1") = "5"
    & skf21("3","1","5","3","6","5","6","1") = "5"
    & skf21("3","1","5","3","6","5","7","1") = "6"
    & skf21("3","1","5","3","6","6","1","1") = "5"
    & skf21("3","1","5","3","6","6","2","1") = "5"
    & skf21("3","1","5","3","6","6","3","1") = "5"
    & skf21("3","1","5","3","6","6","4","1") = "5"
    & skf21("3","1","5","3","6","6","5","1") = "5"
    & skf21("3","1","5","3","6","6","6","1") = "5"
    & skf21("3","1","5","3","6","6","7","1") = "6"
    & skf21("3","1","5","3","6","7","1","1") = "6"
    & skf21("3","1","5","3","6","7","2","1") = "6"
    & skf21("3","1","5","3","6","7","3","1") = "6"
    & skf21("3","1","5","3","6","7","4","1") = "6"
    & skf21("3","1","5","3","6","7","5","1") = "6"
    & skf21("3","1","5","3","6","7","6","1") = "6"
    & skf21("3","1","5","3","6","7","7","1") = "6"
    & skf21("3","1","5","3","7","1","1","1") = "6"
    & skf21("3","1","5","3","7","1","2","1") = "6"
    & skf21("3","1","5","3","7","1","3","1") = "6"
    & skf21("3","1","5","3","7","1","4","1") = "6"
    & skf21("3","1","5","3","7","1","5","1") = "6"
    & skf21("3","1","5","3","7","1","6","1") = "6"
    & skf21("3","1","5","3","7","1","7","1") = "6"
    & skf21("3","1","5","3","7","2","1","1") = "6"
    & skf21("3","1","5","3","7","2","2","1") = "6"
    & skf21("3","1","5","3","7","2","3","1") = "6"
    & skf21("3","1","5","3","7","2","4","1") = "6"
    & skf21("3","1","5","3","7","2","5","1") = "6"
    & skf21("3","1","5","3","7","2","6","1") = "6"
    & skf21("3","1","5","3","7","2","7","1") = "6"
    & skf21("3","1","5","3","7","3","1","1") = "6"
    & skf21("3","1","5","3","7","3","2","1") = "6"
    & skf21("3","1","5","3","7","3","3","1") = "6"
    & skf21("3","1","5","3","7","3","4","1") = "6"
    & skf21("3","1","5","3","7","3","5","1") = "6"
    & skf21("3","1","5","3","7","3","6","1") = "6"
    & skf21("3","1","5","3","7","3","7","1") = "6"
    & skf21("3","1","5","3","7","4","1","1") = "6"
    & skf21("3","1","5","3","7","4","2","1") = "6"
    & skf21("3","1","5","3","7","4","3","1") = "6"
    & skf21("3","1","5","3","7","4","4","1") = "6"
    & skf21("3","1","5","3","7","4","5","1") = "6"
    & skf21("3","1","5","3","7","4","6","1") = "6"
    & skf21("3","1","5","3","7","4","7","1") = "6"
    & skf21("3","1","5","3","7","5","1","1") = "6"
    & skf21("3","1","5","3","7","5","2","1") = "6"
    & skf21("3","1","5","3","7","5","3","1") = "6"
    & skf21("3","1","5","3","7","5","4","1") = "6"
    & skf21("3","1","5","3","7","5","5","1") = "6"
    & skf21("3","1","5","3","7","5","6","1") = "6"
    & skf21("3","1","5","3","7","5","7","1") = "6"
    & skf21("3","1","5","3","7","6","1","1") = "6"
    & skf21("3","1","5","3","7","6","2","1") = "6"
    & skf21("3","1","5","3","7","6","3","1") = "6"
    & skf21("3","1","5","3","7","6","4","1") = "6"
    & skf21("3","1","5","3","7","6","5","1") = "6"
    & skf21("3","1","5","3","7","6","6","1") = "6"
    & skf21("3","1","5","3","7","6","7","1") = "6"
    & skf21("3","1","5","3","7","7","1","1") = "6"
    & skf21("3","1","5","3","7","7","2","1") = "6"
    & skf21("3","1","5","3","7","7","3","1") = "6"
    & skf21("3","1","5","3","7","7","4","1") = "6"
    & skf21("3","1","5","3","7","7","5","1") = "6"
    & skf21("3","1","5","3","7","7","6","1") = "6"
    & skf21("3","1","5","3","7","7","7","1") = "6"
    & skf21("3","1","5","4","1","1","1","1") = "4"
    & skf21("3","1","5","4","1","1","2","1") = "4"
    & skf21("3","1","5","4","1","1","3","1") = "4"
    & skf21("3","1","5","4","1","1","4","1") = "4"
    & skf21("3","1","5","4","1","1","5","1") = "4"
    & skf21("3","1","5","4","1","1","6","1") = "5"
    & skf21("3","1","5","4","1","1","7","1") = "6"
    & skf21("3","1","5","4","1","2","1","1") = "4"
    & skf21("3","1","5","4","1","2","2","1") = "4"
    & skf21("3","1","5","4","1","2","3","1") = "4"
    & skf21("3","1","5","4","1","2","4","1") = "4"
    & skf21("3","1","5","4","1","2","5","1") = "4"
    & skf21("3","1","5","4","1","2","6","1") = "5"
    & skf21("3","1","5","4","1","2","7","1") = "6"
    & skf21("3","1","5","4","1","3","1","1") = "4"
    & skf21("3","1","5","4","1","3","2","1") = "4"
    & skf21("3","1","5","4","1","3","3","1") = "4"
    & skf21("3","1","5","4","1","3","4","1") = "4"
    & skf21("3","1","5","4","1","3","5","1") = "4"
    & skf21("3","1","5","4","1","3","6","1") = "5"
    & skf21("3","1","5","4","1","3","7","1") = "6"
    & skf21("3","1","5","4","1","4","1","1") = "4"
    & skf21("3","1","5","4","1","4","2","1") = "4"
    & skf21("3","1","5","4","1","4","3","1") = "4"
    & skf21("3","1","5","4","1","4","4","1") = "4"
    & skf21("3","1","5","4","1","4","5","1") = "4"
    & skf21("3","1","5","4","1","4","6","1") = "5"
    & skf21("3","1","5","4","1","4","7","1") = "6"
    & skf21("3","1","5","4","1","5","1","1") = "4"
    & skf21("3","1","5","4","1","5","2","1") = "4"
    & skf21("3","1","5","4","1","5","3","1") = "4"
    & skf21("3","1","5","4","1","5","4","1") = "4"
    & skf21("3","1","5","4","1","5","5","1") = "4"
    & skf21("3","1","5","4","1","5","6","1") = "5"
    & skf21("3","1","5","4","1","5","7","1") = "6"
    & skf21("3","1","5","4","1","6","1","1") = "5"
    & skf21("3","1","5","4","1","6","2","1") = "5"
    & skf21("3","1","5","4","1","6","3","1") = "5"
    & skf21("3","1","5","4","1","6","4","1") = "5"
    & skf21("3","1","5","4","1","6","5","1") = "5"
    & skf21("3","1","5","4","1","6","6","1") = "5"
    & skf21("3","1","5","4","1","6","7","1") = "6"
    & skf21("3","1","5","4","1","7","1","1") = "6"
    & skf21("3","1","5","4","1","7","2","1") = "6"
    & skf21("3","1","5","4","1","7","3","1") = "6"
    & skf21("3","1","5","4","1","7","4","1") = "6"
    & skf21("3","1","5","4","1","7","5","1") = "6"
    & skf21("3","1","5","4","1","7","6","1") = "6"
    & skf21("3","1","5","4","1","7","7","1") = "6"
    & skf21("3","1","5","4","2","1","1","1") = "4"
    & skf21("3","1","5","4","2","1","2","1") = "4"
    & skf21("3","1","5","4","2","1","3","1") = "4"
    & skf21("3","1","5","4","2","1","4","1") = "4"
    & skf21("3","1","5","4","2","1","5","1") = "4"
    & skf21("3","1","5","4","2","1","6","1") = "5"
    & skf21("3","1","5","4","2","1","7","1") = "6"
    & skf21("3","1","5","4","2","2","1","1") = "4"
    & skf21("3","1","5","4","2","2","2","1") = "4"
    & skf21("3","1","5","4","2","2","3","1") = "4"
    & skf21("3","1","5","4","2","2","4","1") = "4"
    & skf21("3","1","5","4","2","2","5","1") = "4"
    & skf21("3","1","5","4","2","2","6","1") = "5"
    & skf21("3","1","5","4","2","2","7","1") = "6"
    & skf21("3","1","5","4","2","3","1","1") = "4"
    & skf21("3","1","5","4","2","3","2","1") = "4"
    & skf21("3","1","5","4","2","3","3","1") = "4"
    & skf21("3","1","5","4","2","3","4","1") = "4"
    & skf21("3","1","5","4","2","3","5","1") = "4"
    & skf21("3","1","5","4","2","3","6","1") = "5"
    & skf21("3","1","5","4","2","3","7","1") = "6"
    & skf21("3","1","5","4","2","4","1","1") = "4"
    & skf21("3","1","5","4","2","4","2","1") = "4"
    & skf21("3","1","5","4","2","4","3","1") = "4"
    & skf21("3","1","5","4","2","4","4","1") = "4"
    & skf21("3","1","5","4","2","4","5","1") = "4"
    & skf21("3","1","5","4","2","4","6","1") = "5"
    & skf21("3","1","5","4","2","4","7","1") = "6"
    & skf21("3","1","5","4","2","5","1","1") = "4"
    & skf21("3","1","5","4","2","5","2","1") = "4"
    & skf21("3","1","5","4","2","5","3","1") = "4"
    & skf21("3","1","5","4","2","5","4","1") = "4"
    & skf21("3","1","5","4","2","5","5","1") = "4"
    & skf21("3","1","5","4","2","5","6","1") = "5"
    & skf21("3","1","5","4","2","5","7","1") = "6"
    & skf21("3","1","5","4","2","6","1","1") = "5"
    & skf21("3","1","5","4","2","6","2","1") = "5"
    & skf21("3","1","5","4","2","6","3","1") = "5"
    & skf21("3","1","5","4","2","6","4","1") = "5"
    & skf21("3","1","5","4","2","6","5","1") = "5"
    & skf21("3","1","5","4","2","6","6","1") = "5"
    & skf21("3","1","5","4","2","6","7","1") = "6"
    & skf21("3","1","5","4","2","7","1","1") = "6"
    & skf21("3","1","5","4","2","7","2","1") = "6"
    & skf21("3","1","5","4","2","7","3","1") = "6"
    & skf21("3","1","5","4","2","7","4","1") = "6"
    & skf21("3","1","5","4","2","7","5","1") = "6"
    & skf21("3","1","5","4","2","7","6","1") = "6"
    & skf21("3","1","5","4","2","7","7","1") = "6"
    & skf21("3","1","5","4","3","1","1","1") = "4"
    & skf21("3","1","5","4","3","1","2","1") = "4"
    & skf21("3","1","5","4","3","1","3","1") = "4"
    & skf21("3","1","5","4","3","1","4","1") = "4"
    & skf21("3","1","5","4","3","1","5","1") = "4"
    & skf21("3","1","5","4","3","1","6","1") = "5"
    & skf21("3","1","5","4","3","1","7","1") = "6"
    & skf21("3","1","5","4","3","2","1","1") = "4"
    & skf21("3","1","5","4","3","2","2","1") = "4"
    & skf21("3","1","5","4","3","2","3","1") = "4"
    & skf21("3","1","5","4","3","2","4","1") = "4"
    & skf21("3","1","5","4","3","2","5","1") = "4"
    & skf21("3","1","5","4","3","2","6","1") = "5"
    & skf21("3","1","5","4","3","2","7","1") = "6"
    & skf21("3","1","5","4","3","3","1","1") = "4"
    & skf21("3","1","5","4","3","3","2","1") = "4"
    & skf21("3","1","5","4","3","3","3","1") = "4"
    & skf21("3","1","5","4","3","3","4","1") = "4"
    & skf21("3","1","5","4","3","3","5","1") = "4"
    & skf21("3","1","5","4","3","3","6","1") = "5"
    & skf21("3","1","5","4","3","3","7","1") = "6"
    & skf21("3","1","5","4","3","4","1","1") = "4"
    & skf21("3","1","5","4","3","4","2","1") = "4"
    & skf21("3","1","5","4","3","4","3","1") = "4"
    & skf21("3","1","5","4","3","4","4","1") = "4"
    & skf21("3","1","5","4","3","4","5","1") = "4"
    & skf21("3","1","5","4","3","4","6","1") = "5"
    & skf21("3","1","5","4","3","4","7","1") = "6"
    & skf21("3","1","5","4","3","5","1","1") = "4"
    & skf21("3","1","5","4","3","5","2","1") = "4"
    & skf21("3","1","5","4","3","5","3","1") = "4"
    & skf21("3","1","5","4","3","5","4","1") = "4"
    & skf21("3","1","5","4","3","5","5","1") = "4"
    & skf21("3","1","5","4","3","5","6","1") = "5"
    & skf21("3","1","5","4","3","5","7","1") = "6"
    & skf21("3","1","5","4","3","6","1","1") = "5"
    & skf21("3","1","5","4","3","6","2","1") = "5"
    & skf21("3","1","5","4","3","6","3","1") = "5"
    & skf21("3","1","5","4","3","6","4","1") = "5"
    & skf21("3","1","5","4","3","6","5","1") = "5"
    & skf21("3","1","5","4","3","6","6","1") = "5"
    & skf21("3","1","5","4","3","6","7","1") = "6"
    & skf21("3","1","5","4","3","7","1","1") = "6"
    & skf21("3","1","5","4","3","7","2","1") = "6"
    & skf21("3","1","5","4","3","7","3","1") = "6"
    & skf21("3","1","5","4","3","7","4","1") = "6"
    & skf21("3","1","5","4","3","7","5","1") = "6"
    & skf21("3","1","5","4","3","7","6","1") = "6"
    & skf21("3","1","5","4","3","7","7","1") = "6"
    & skf21("3","1","5","4","4","1","1","1") = "4"
    & skf21("3","1","5","4","4","1","2","1") = "4"
    & skf21("3","1","5","4","4","1","3","1") = "4"
    & skf21("3","1","5","4","4","1","4","1") = "4"
    & skf21("3","1","5","4","4","1","5","1") = "4"
    & skf21("3","1","5","4","4","1","6","1") = "5"
    & skf21("3","1","5","4","4","1","7","1") = "6"
    & skf21("3","1","5","4","4","2","1","1") = "4"
    & skf21("3","1","5","4","4","2","2","1") = "4"
    & skf21("3","1","5","4","4","2","3","1") = "4"
    & skf21("3","1","5","4","4","2","4","1") = "4"
    & skf21("3","1","5","4","4","2","5","1") = "4"
    & skf21("3","1","5","4","4","2","6","1") = "5"
    & skf21("3","1","5","4","4","2","7","1") = "6"
    & skf21("3","1","5","4","4","3","1","1") = "4"
    & skf21("3","1","5","4","4","3","2","1") = "4"
    & skf21("3","1","5","4","4","3","3","1") = "4"
    & skf21("3","1","5","4","4","3","4","1") = "4"
    & skf21("3","1","5","4","4","3","5","1") = "4"
    & skf21("3","1","5","4","4","3","6","1") = "5"
    & skf21("3","1","5","4","4","3","7","1") = "6"
    & skf21("3","1","5","4","4","4","1","1") = "4"
    & skf21("3","1","5","4","4","4","2","1") = "4"
    & skf21("3","1","5","4","4","4","3","1") = "4"
    & skf21("3","1","5","4","4","4","4","1") = "4"
    & skf21("3","1","5","4","4","4","5","1") = "4"
    & skf21("3","1","5","4","4","4","6","1") = "5"
    & skf21("3","1","5","4","4","4","7","1") = "6"
    & skf21("3","1","5","4","4","5","1","1") = "4"
    & skf21("3","1","5","4","4","5","2","1") = "4"
    & skf21("3","1","5","4","4","5","3","1") = "4"
    & skf21("3","1","5","4","4","5","4","1") = "4"
    & skf21("3","1","5","4","4","5","5","1") = "4"
    & skf21("3","1","5","4","4","5","6","1") = "5"
    & skf21("3","1","5","4","4","5","7","1") = "6"
    & skf21("3","1","5","4","4","6","1","1") = "5"
    & skf21("3","1","5","4","4","6","2","1") = "5"
    & skf21("3","1","5","4","4","6","3","1") = "5"
    & skf21("3","1","5","4","4","6","4","1") = "5"
    & skf21("3","1","5","4","4","6","5","1") = "5"
    & skf21("3","1","5","4","4","6","6","1") = "5"
    & skf21("3","1","5","4","4","6","7","1") = "6"
    & skf21("3","1","5","4","4","7","1","1") = "6"
    & skf21("3","1","5","4","4","7","2","1") = "6"
    & skf21("3","1","5","4","4","7","3","1") = "6"
    & skf21("3","1","5","4","4","7","4","1") = "6"
    & skf21("3","1","5","4","4","7","5","1") = "6"
    & skf21("3","1","5","4","4","7","6","1") = "6"
    & skf21("3","1","5","4","4","7","7","1") = "6"
    & skf21("3","1","5","4","5","1","1","1") = "4"
    & skf21("3","1","5","4","5","1","2","1") = "4"
    & skf21("3","1","5","4","5","1","3","1") = "4"
    & skf21("3","1","5","4","5","1","4","1") = "4"
    & skf21("3","1","5","4","5","1","5","1") = "4"
    & skf21("3","1","5","4","5","1","6","1") = "5"
    & skf21("3","1","5","4","5","1","7","1") = "6"
    & skf21("3","1","5","4","5","2","1","1") = "4"
    & skf21("3","1","5","4","5","2","2","1") = "4"
    & skf21("3","1","5","4","5","2","3","1") = "4"
    & skf21("3","1","5","4","5","2","4","1") = "4"
    & skf21("3","1","5","4","5","2","5","1") = "4"
    & skf21("3","1","5","4","5","2","6","1") = "5"
    & skf21("3","1","5","4","5","2","7","1") = "6"
    & skf21("3","1","5","4","5","3","1","1") = "4"
    & skf21("3","1","5","4","5","3","2","1") = "4"
    & skf21("3","1","5","4","5","3","3","1") = "4"
    & skf21("3","1","5","4","5","3","4","1") = "4"
    & skf21("3","1","5","4","5","3","5","1") = "4"
    & skf21("3","1","5","4","5","3","6","1") = "5"
    & skf21("3","1","5","4","5","3","7","1") = "6"
    & skf21("3","1","5","4","5","4","1","1") = "4"
    & skf21("3","1","5","4","5","4","2","1") = "4"
    & skf21("3","1","5","4","5","4","3","1") = "4"
    & skf21("3","1","5","4","5","4","4","1") = "4"
    & skf21("3","1","5","4","5","4","5","1") = "4"
    & skf21("3","1","5","4","5","4","6","1") = "5"
    & skf21("3","1","5","4","5","4","7","1") = "6"
    & skf21("3","1","5","4","5","5","1","1") = "4"
    & skf21("3","1","5","4","5","5","2","1") = "4"
    & skf21("3","1","5","4","5","5","3","1") = "4"
    & skf21("3","1","5","4","5","5","4","1") = "4"
    & skf21("3","1","5","4","5","5","5","1") = "4"
    & skf21("3","1","5","4","5","5","6","1") = "5"
    & skf21("3","1","5","4","5","5","7","1") = "6"
    & skf21("3","1","5","4","5","6","1","1") = "5"
    & skf21("3","1","5","4","5","6","2","1") = "5"
    & skf21("3","1","5","4","5","6","3","1") = "5"
    & skf21("3","1","5","4","5","6","4","1") = "5"
    & skf21("3","1","5","4","5","6","5","1") = "5"
    & skf21("3","1","5","4","5","6","6","1") = "5"
    & skf21("3","1","5","4","5","6","7","1") = "6"
    & skf21("3","1","5","4","5","7","1","1") = "6"
    & skf21("3","1","5","4","5","7","2","1") = "6"
    & skf21("3","1","5","4","5","7","3","1") = "6"
    & skf21("3","1","5","4","5","7","4","1") = "6"
    & skf21("3","1","5","4","5","7","5","1") = "6"
    & skf21("3","1","5","4","5","7","6","1") = "6"
    & skf21("3","1","5","4","5","7","7","1") = "6"
    & skf21("3","1","5","4","6","1","1","1") = "5"
    & skf21("3","1","5","4","6","1","2","1") = "5"
    & skf21("3","1","5","4","6","1","3","1") = "5"
    & skf21("3","1","5","4","6","1","4","1") = "5"
    & skf21("3","1","5","4","6","1","5","1") = "5"
    & skf21("3","1","5","4","6","1","6","1") = "5"
    & skf21("3","1","5","4","6","1","7","1") = "6"
    & skf21("3","1","5","4","6","2","1","1") = "5"
    & skf21("3","1","5","4","6","2","2","1") = "5"
    & skf21("3","1","5","4","6","2","3","1") = "5"
    & skf21("3","1","5","4","6","2","4","1") = "5"
    & skf21("3","1","5","4","6","2","5","1") = "5"
    & skf21("3","1","5","4","6","2","6","1") = "5"
    & skf21("3","1","5","4","6","2","7","1") = "6"
    & skf21("3","1","5","4","6","3","1","1") = "5"
    & skf21("3","1","5","4","6","3","2","1") = "5"
    & skf21("3","1","5","4","6","3","3","1") = "5"
    & skf21("3","1","5","4","6","3","4","1") = "5"
    & skf21("3","1","5","4","6","3","5","1") = "5"
    & skf21("3","1","5","4","6","3","6","1") = "5"
    & skf21("3","1","5","4","6","3","7","1") = "6"
    & skf21("3","1","5","4","6","4","1","1") = "5"
    & skf21("3","1","5","4","6","4","2","1") = "5"
    & skf21("3","1","5","4","6","4","3","1") = "5"
    & skf21("3","1","5","4","6","4","4","1") = "5"
    & skf21("3","1","5","4","6","4","5","1") = "5"
    & skf21("3","1","5","4","6","4","6","1") = "5"
    & skf21("3","1","5","4","6","4","7","1") = "6"
    & skf21("3","1","5","4","6","5","1","1") = "5"
    & skf21("3","1","5","4","6","5","2","1") = "5"
    & skf21("3","1","5","4","6","5","3","1") = "5"
    & skf21("3","1","5","4","6","5","4","1") = "5"
    & skf21("3","1","5","4","6","5","5","1") = "5"
    & skf21("3","1","5","4","6","5","6","1") = "5"
    & skf21("3","1","5","4","6","5","7","1") = "6"
    & skf21("3","1","5","4","6","6","1","1") = "5"
    & skf21("3","1","5","4","6","6","2","1") = "5"
    & skf21("3","1","5","4","6","6","3","1") = "5"
    & skf21("3","1","5","4","6","6","4","1") = "5"
    & skf21("3","1","5","4","6","6","5","1") = "5"
    & skf21("3","1","5","4","6","6","6","1") = "5"
    & skf21("3","1","5","4","6","6","7","1") = "6"
    & skf21("3","1","5","4","6","7","1","1") = "6"
    & skf21("3","1","5","4","6","7","2","1") = "6"
    & skf21("3","1","5","4","6","7","3","1") = "6"
    & skf21("3","1","5","4","6","7","4","1") = "6"
    & skf21("3","1","5","4","6","7","5","1") = "6"
    & skf21("3","1","5","4","6","7","6","1") = "6"
    & skf21("3","1","5","4","6","7","7","1") = "6"
    & skf21("3","1","5","4","7","1","1","1") = "6"
    & skf21("3","1","5","4","7","1","2","1") = "6"
    & skf21("3","1","5","4","7","1","3","1") = "6"
    & skf21("3","1","5","4","7","1","4","1") = "6"
    & skf21("3","1","5","4","7","1","5","1") = "6"
    & skf21("3","1","5","4","7","1","6","1") = "6"
    & skf21("3","1","5","4","7","1","7","1") = "6"
    & skf21("3","1","5","4","7","2","1","1") = "6"
    & skf21("3","1","5","4","7","2","2","1") = "6"
    & skf21("3","1","5","4","7","2","3","1") = "6"
    & skf21("3","1","5","4","7","2","4","1") = "6"
    & skf21("3","1","5","4","7","2","5","1") = "6"
    & skf21("3","1","5","4","7","2","6","1") = "6"
    & skf21("3","1","5","4","7","2","7","1") = "6"
    & skf21("3","1","5","4","7","3","1","1") = "6"
    & skf21("3","1","5","4","7","3","2","1") = "6"
    & skf21("3","1","5","4","7","3","3","1") = "6"
    & skf21("3","1","5","4","7","3","4","1") = "6"
    & skf21("3","1","5","4","7","3","5","1") = "6"
    & skf21("3","1","5","4","7","3","6","1") = "6"
    & skf21("3","1","5","4","7","3","7","1") = "6"
    & skf21("3","1","5","4","7","4","1","1") = "6"
    & skf21("3","1","5","4","7","4","2","1") = "6"
    & skf21("3","1","5","4","7","4","3","1") = "6"
    & skf21("3","1","5","4","7","4","4","1") = "6"
    & skf21("3","1","5","4","7","4","5","1") = "6"
    & skf21("3","1","5","4","7","4","6","1") = "6"
    & skf21("3","1","5","4","7","4","7","1") = "6"
    & skf21("3","1","5","4","7","5","1","1") = "6"
    & skf21("3","1","5","4","7","5","2","1") = "6"
    & skf21("3","1","5","4","7","5","3","1") = "6"
    & skf21("3","1","5","4","7","5","4","1") = "6"
    & skf21("3","1","5","4","7","5","5","1") = "6"
    & skf21("3","1","5","4","7","5","6","1") = "6"
    & skf21("3","1","5","4","7","5","7","1") = "6"
    & skf21("3","1","5","4","7","6","1","1") = "6"
    & skf21("3","1","5","4","7","6","2","1") = "6"
    & skf21("3","1","5","4","7","6","3","1") = "6"
    & skf21("3","1","5","4","7","6","4","1") = "6"
    & skf21("3","1","5","4","7","6","5","1") = "6"
    & skf21("3","1","5","4","7","6","6","1") = "6"
    & skf21("3","1","5","4","7","6","7","1") = "6"
    & skf21("3","1","5","4","7","7","1","1") = "6"
    & skf21("3","1","5","4","7","7","2","1") = "6"
    & skf21("3","1","5","4","7","7","3","1") = "6"
    & skf21("3","1","5","4","7","7","4","1") = "6"
    & skf21("3","1","5","4","7","7","5","1") = "6"
    & skf21("3","1","5","4","7","7","6","1") = "6"
    & skf21("3","1","5","4","7","7","7","1") = "6"
    & skf21("3","1","5","5","1","1","1","1") = "4"
    & skf21("3","1","5","5","1","1","2","1") = "4"
    & skf21("3","1","5","5","1","1","3","1") = "4"
    & skf21("3","1","5","5","1","1","4","1") = "4"
    & skf21("3","1","5","5","1","1","5","1") = "4"
    & skf21("3","1","5","5","1","1","6","1") = "5"
    & skf21("3","1","5","5","1","1","7","1") = "6"
    & skf21("3","1","5","5","1","2","1","1") = "4"
    & skf21("3","1","5","5","1","2","2","1") = "4"
    & skf21("3","1","5","5","1","2","3","1") = "4"
    & skf21("3","1","5","5","1","2","4","1") = "4"
    & skf21("3","1","5","5","1","2","5","1") = "4"
    & skf21("3","1","5","5","1","2","6","1") = "5"
    & skf21("3","1","5","5","1","2","7","1") = "6"
    & skf21("3","1","5","5","1","3","1","1") = "4"
    & skf21("3","1","5","5","1","3","2","1") = "4"
    & skf21("3","1","5","5","1","3","3","1") = "4"
    & skf21("3","1","5","5","1","3","4","1") = "4"
    & skf21("3","1","5","5","1","3","5","1") = "4"
    & skf21("3","1","5","5","1","3","6","1") = "5"
    & skf21("3","1","5","5","1","3","7","1") = "6"
    & skf21("3","1","5","5","1","4","1","1") = "4"
    & skf21("3","1","5","5","1","4","2","1") = "4"
    & skf21("3","1","5","5","1","4","3","1") = "4"
    & skf21("3","1","5","5","1","4","4","1") = "4"
    & skf21("3","1","5","5","1","4","5","1") = "4"
    & skf21("3","1","5","5","1","4","6","1") = "5"
    & skf21("3","1","5","5","1","4","7","1") = "6"
    & skf21("3","1","5","5","1","5","1","1") = "4"
    & skf21("3","1","5","5","1","5","2","1") = "4"
    & skf21("3","1","5","5","1","5","3","1") = "4"
    & skf21("3","1","5","5","1","5","4","1") = "4"
    & skf21("3","1","5","5","1","5","5","1") = "4"
    & skf21("3","1","5","5","1","5","6","1") = "5"
    & skf21("3","1","5","5","1","5","7","1") = "6"
    & skf21("3","1","5","5","1","6","1","1") = "5"
    & skf21("3","1","5","5","1","6","2","1") = "5"
    & skf21("3","1","5","5","1","6","3","1") = "5"
    & skf21("3","1","5","5","1","6","4","1") = "5"
    & skf21("3","1","5","5","1","6","5","1") = "5"
    & skf21("3","1","5","5","1","6","6","1") = "5"
    & skf21("3","1","5","5","1","6","7","1") = "6"
    & skf21("3","1","5","5","1","7","1","1") = "6"
    & skf21("3","1","5","5","1","7","2","1") = "6"
    & skf21("3","1","5","5","1","7","3","1") = "6"
    & skf21("3","1","5","5","1","7","4","1") = "6"
    & skf21("3","1","5","5","1","7","5","1") = "6"
    & skf21("3","1","5","5","1","7","6","1") = "6"
    & skf21("3","1","5","5","1","7","7","1") = "6"
    & skf21("3","1","5","5","2","1","1","1") = "4"
    & skf21("3","1","5","5","2","1","2","1") = "4"
    & skf21("3","1","5","5","2","1","3","1") = "4"
    & skf21("3","1","5","5","2","1","4","1") = "4"
    & skf21("3","1","5","5","2","1","5","1") = "4"
    & skf21("3","1","5","5","2","1","6","1") = "5"
    & skf21("3","1","5","5","2","1","7","1") = "6"
    & skf21("3","1","5","5","2","2","1","1") = "4"
    & skf21("3","1","5","5","2","2","2","1") = "4"
    & skf21("3","1","5","5","2","2","3","1") = "4"
    & skf21("3","1","5","5","2","2","4","1") = "4"
    & skf21("3","1","5","5","2","2","5","1") = "4"
    & skf21("3","1","5","5","2","2","6","1") = "5"
    & skf21("3","1","5","5","2","2","7","1") = "6"
    & skf21("3","1","5","5","2","3","1","1") = "4"
    & skf21("3","1","5","5","2","3","2","1") = "4"
    & skf21("3","1","5","5","2","3","3","1") = "4"
    & skf21("3","1","5","5","2","3","4","1") = "4"
    & skf21("3","1","5","5","2","3","5","1") = "4"
    & skf21("3","1","5","5","2","3","6","1") = "5"
    & skf21("3","1","5","5","2","3","7","1") = "6"
    & skf21("3","1","5","5","2","4","1","1") = "4"
    & skf21("3","1","5","5","2","4","2","1") = "4"
    & skf21("3","1","5","5","2","4","3","1") = "4"
    & skf21("3","1","5","5","2","4","4","1") = "4"
    & skf21("3","1","5","5","2","4","5","1") = "4"
    & skf21("3","1","5","5","2","4","6","1") = "5"
    & skf21("3","1","5","5","2","4","7","1") = "6"
    & skf21("3","1","5","5","2","5","1","1") = "4"
    & skf21("3","1","5","5","2","5","2","1") = "4"
    & skf21("3","1","5","5","2","5","3","1") = "4"
    & skf21("3","1","5","5","2","5","4","1") = "4"
    & skf21("3","1","5","5","2","5","5","1") = "4"
    & skf21("3","1","5","5","2","5","6","1") = "5"
    & skf21("3","1","5","5","2","5","7","1") = "6"
    & skf21("3","1","5","5","2","6","1","1") = "5"
    & skf21("3","1","5","5","2","6","2","1") = "5"
    & skf21("3","1","5","5","2","6","3","1") = "5"
    & skf21("3","1","5","5","2","6","4","1") = "5"
    & skf21("3","1","5","5","2","6","5","1") = "5"
    & skf21("3","1","5","5","2","6","6","1") = "5"
    & skf21("3","1","5","5","2","6","7","1") = "6"
    & skf21("3","1","5","5","2","7","1","1") = "6"
    & skf21("3","1","5","5","2","7","2","1") = "6"
    & skf21("3","1","5","5","2","7","3","1") = "6"
    & skf21("3","1","5","5","2","7","4","1") = "6"
    & skf21("3","1","5","5","2","7","5","1") = "6"
    & skf21("3","1","5","5","2","7","6","1") = "6"
    & skf21("3","1","5","5","2","7","7","1") = "6"
    & skf21("3","1","5","5","3","1","1","1") = "4"
    & skf21("3","1","5","5","3","1","2","1") = "4"
    & skf21("3","1","5","5","3","1","3","1") = "4"
    & skf21("3","1","5","5","3","1","4","1") = "4"
    & skf21("3","1","5","5","3","1","5","1") = "4"
    & skf21("3","1","5","5","3","1","6","1") = "5"
    & skf21("3","1","5","5","3","1","7","1") = "6"
    & skf21("3","1","5","5","3","2","1","1") = "4"
    & skf21("3","1","5","5","3","2","2","1") = "4"
    & skf21("3","1","5","5","3","2","3","1") = "4"
    & skf21("3","1","5","5","3","2","4","1") = "4"
    & skf21("3","1","5","5","3","2","5","1") = "4"
    & skf21("3","1","5","5","3","2","6","1") = "5"
    & skf21("3","1","5","5","3","2","7","1") = "6"
    & skf21("3","1","5","5","3","3","1","1") = "4"
    & skf21("3","1","5","5","3","3","2","1") = "4"
    & skf21("3","1","5","5","3","3","3","1") = "4"
    & skf21("3","1","5","5","3","3","4","1") = "4"
    & skf21("3","1","5","5","3","3","5","1") = "4"
    & skf21("3","1","5","5","3","3","6","1") = "5"
    & skf21("3","1","5","5","3","3","7","1") = "6"
    & skf21("3","1","5","5","3","4","1","1") = "4"
    & skf21("3","1","5","5","3","4","2","1") = "4"
    & skf21("3","1","5","5","3","4","3","1") = "4"
    & skf21("3","1","5","5","3","4","4","1") = "4"
    & skf21("3","1","5","5","3","4","5","1") = "4"
    & skf21("3","1","5","5","3","4","6","1") = "5"
    & skf21("3","1","5","5","3","4","7","1") = "6"
    & skf21("3","1","5","5","3","5","1","1") = "4"
    & skf21("3","1","5","5","3","5","2","1") = "4"
    & skf21("3","1","5","5","3","5","3","1") = "4"
    & skf21("3","1","5","5","3","5","4","1") = "4"
    & skf21("3","1","5","5","3","5","5","1") = "4"
    & skf21("3","1","5","5","3","5","6","1") = "5"
    & skf21("3","1","5","5","3","5","7","1") = "6"
    & skf21("3","1","5","5","3","6","1","1") = "5"
    & skf21("3","1","5","5","3","6","2","1") = "5"
    & skf21("3","1","5","5","3","6","3","1") = "5"
    & skf21("3","1","5","5","3","6","4","1") = "5"
    & skf21("3","1","5","5","3","6","5","1") = "5"
    & skf21("3","1","5","5","3","6","6","1") = "5"
    & skf21("3","1","5","5","3","6","7","1") = "6"
    & skf21("3","1","5","5","3","7","1","1") = "6"
    & skf21("3","1","5","5","3","7","2","1") = "6"
    & skf21("3","1","5","5","3","7","3","1") = "6"
    & skf21("3","1","5","5","3","7","4","1") = "6"
    & skf21("3","1","5","5","3","7","5","1") = "6"
    & skf21("3","1","5","5","3","7","6","1") = "6"
    & skf21("3","1","5","5","3","7","7","1") = "6"
    & skf21("3","1","5","5","4","1","1","1") = "4"
    & skf21("3","1","5","5","4","1","2","1") = "4"
    & skf21("3","1","5","5","4","1","3","1") = "4"
    & skf21("3","1","5","5","4","1","4","1") = "4"
    & skf21("3","1","5","5","4","1","5","1") = "4"
    & skf21("3","1","5","5","4","1","6","1") = "5"
    & skf21("3","1","5","5","4","1","7","1") = "6"
    & skf21("3","1","5","5","4","2","1","1") = "4"
    & skf21("3","1","5","5","4","2","2","1") = "4"
    & skf21("3","1","5","5","4","2","3","1") = "4"
    & skf21("3","1","5","5","4","2","4","1") = "4"
    & skf21("3","1","5","5","4","2","5","1") = "4"
    & skf21("3","1","5","5","4","2","6","1") = "5"
    & skf21("3","1","5","5","4","2","7","1") = "6"
    & skf21("3","1","5","5","4","3","1","1") = "4"
    & skf21("3","1","5","5","4","3","2","1") = "4"
    & skf21("3","1","5","5","4","3","3","1") = "4"
    & skf21("3","1","5","5","4","3","4","1") = "4"
    & skf21("3","1","5","5","4","3","5","1") = "4"
    & skf21("3","1","5","5","4","3","6","1") = "5"
    & skf21("3","1","5","5","4","3","7","1") = "6"
    & skf21("3","1","5","5","4","4","1","1") = "4"
    & skf21("3","1","5","5","4","4","2","1") = "4"
    & skf21("3","1","5","5","4","4","3","1") = "4"
    & skf21("3","1","5","5","4","4","4","1") = "4"
    & skf21("3","1","5","5","4","4","5","1") = "4"
    & skf21("3","1","5","5","4","4","6","1") = "5"
    & skf21("3","1","5","5","4","4","7","1") = "6"
    & skf21("3","1","5","5","4","5","1","1") = "4"
    & skf21("3","1","5","5","4","5","2","1") = "4"
    & skf21("3","1","5","5","4","5","3","1") = "4"
    & skf21("3","1","5","5","4","5","4","1") = "4"
    & skf21("3","1","5","5","4","5","5","1") = "4"
    & skf21("3","1","5","5","4","5","6","1") = "5"
    & skf21("3","1","5","5","4","5","7","1") = "6"
    & skf21("3","1","5","5","4","6","1","1") = "5"
    & skf21("3","1","5","5","4","6","2","1") = "5"
    & skf21("3","1","5","5","4","6","3","1") = "5"
    & skf21("3","1","5","5","4","6","4","1") = "5"
    & skf21("3","1","5","5","4","6","5","1") = "5"
    & skf21("3","1","5","5","4","6","6","1") = "5"
    & skf21("3","1","5","5","4","6","7","1") = "6"
    & skf21("3","1","5","5","4","7","1","1") = "6"
    & skf21("3","1","5","5","4","7","2","1") = "6"
    & skf21("3","1","5","5","4","7","3","1") = "6"
    & skf21("3","1","5","5","4","7","4","1") = "6"
    & skf21("3","1","5","5","4","7","5","1") = "6"
    & skf21("3","1","5","5","4","7","6","1") = "6"
    & skf21("3","1","5","5","4","7","7","1") = "6"
    & skf21("3","1","5","5","5","1","1","1") = "4"
    & skf21("3","1","5","5","5","1","2","1") = "4"
    & skf21("3","1","5","5","5","1","3","1") = "4"
    & skf21("3","1","5","5","5","1","4","1") = "4"
    & skf21("3","1","5","5","5","1","5","1") = "4"
    & skf21("3","1","5","5","5","1","6","1") = "5"
    & skf21("3","1","5","5","5","1","7","1") = "6"
    & skf21("3","1","5","5","5","2","1","1") = "4"
    & skf21("3","1","5","5","5","2","2","1") = "4"
    & skf21("3","1","5","5","5","2","3","1") = "4"
    & skf21("3","1","5","5","5","2","4","1") = "4"
    & skf21("3","1","5","5","5","2","5","1") = "4"
    & skf21("3","1","5","5","5","2","6","1") = "5"
    & skf21("3","1","5","5","5","2","7","1") = "6"
    & skf21("3","1","5","5","5","3","1","1") = "4"
    & skf21("3","1","5","5","5","3","2","1") = "4"
    & skf21("3","1","5","5","5","3","3","1") = "4"
    & skf21("3","1","5","5","5","3","4","1") = "4"
    & skf21("3","1","5","5","5","3","5","1") = "4"
    & skf21("3","1","5","5","5","3","6","1") = "5"
    & skf21("3","1","5","5","5","3","7","1") = "6"
    & skf21("3","1","5","5","5","4","1","1") = "4"
    & skf21("3","1","5","5","5","4","2","1") = "4"
    & skf21("3","1","5","5","5","4","3","1") = "4"
    & skf21("3","1","5","5","5","4","4","1") = "4"
    & skf21("3","1","5","5","5","4","5","1") = "4"
    & skf21("3","1","5","5","5","4","6","1") = "5"
    & skf21("3","1","5","5","5","4","7","1") = "6"
    & skf21("3","1","5","5","5","5","1","1") = "4"
    & skf21("3","1","5","5","5","5","2","1") = "4"
    & skf21("3","1","5","5","5","5","3","1") = "4"
    & skf21("3","1","5","5","5","5","4","1") = "4"
    & skf21("3","1","5","5","5","5","5","1") = "4"
    & skf21("3","1","5","5","5","5","6","1") = "5"
    & skf21("3","1","5","5","5","5","7","1") = "6"
    & skf21("3","1","5","5","5","6","1","1") = "5"
    & skf21("3","1","5","5","5","6","2","1") = "5"
    & skf21("3","1","5","5","5","6","3","1") = "5"
    & skf21("3","1","5","5","5","6","4","1") = "5"
    & skf21("3","1","5","5","5","6","5","1") = "5"
    & skf21("3","1","5","5","5","6","6","1") = "5"
    & skf21("3","1","5","5","5","6","7","1") = "6"
    & skf21("3","1","5","5","5","7","1","1") = "6"
    & skf21("3","1","5","5","5","7","2","1") = "6"
    & skf21("3","1","5","5","5","7","3","1") = "6"
    & skf21("3","1","5","5","5","7","4","1") = "6"
    & skf21("3","1","5","5","5","7","5","1") = "6"
    & skf21("3","1","5","5","5","7","6","1") = "6"
    & skf21("3","1","5","5","5","7","7","1") = "6"
    & skf21("3","1","5","5","6","1","1","1") = "5"
    & skf21("3","1","5","5","6","1","2","1") = "5"
    & skf21("3","1","5","5","6","1","3","1") = "5"
    & skf21("3","1","5","5","6","1","4","1") = "5"
    & skf21("3","1","5","5","6","1","5","1") = "5"
    & skf21("3","1","5","5","6","1","6","1") = "5"
    & skf21("3","1","5","5","6","1","7","1") = "6"
    & skf21("3","1","5","5","6","2","1","1") = "5"
    & skf21("3","1","5","5","6","2","2","1") = "5"
    & skf21("3","1","5","5","6","2","3","1") = "5"
    & skf21("3","1","5","5","6","2","4","1") = "5"
    & skf21("3","1","5","5","6","2","5","1") = "5"
    & skf21("3","1","5","5","6","2","6","1") = "5"
    & skf21("3","1","5","5","6","2","7","1") = "6"
    & skf21("3","1","5","5","6","3","1","1") = "5"
    & skf21("3","1","5","5","6","3","2","1") = "5"
    & skf21("3","1","5","5","6","3","3","1") = "5"
    & skf21("3","1","5","5","6","3","4","1") = "5"
    & skf21("3","1","5","5","6","3","5","1") = "5"
    & skf21("3","1","5","5","6","3","6","1") = "5"
    & skf21("3","1","5","5","6","3","7","1") = "6"
    & skf21("3","1","5","5","6","4","1","1") = "5"
    & skf21("3","1","5","5","6","4","2","1") = "5"
    & skf21("3","1","5","5","6","4","3","1") = "5"
    & skf21("3","1","5","5","6","4","4","1") = "5"
    & skf21("3","1","5","5","6","4","5","1") = "5"
    & skf21("3","1","5","5","6","4","6","1") = "5"
    & skf21("3","1","5","5","6","4","7","1") = "6"
    & skf21("3","1","5","5","6","5","1","1") = "5"
    & skf21("3","1","5","5","6","5","2","1") = "5"
    & skf21("3","1","5","5","6","5","3","1") = "5"
    & skf21("3","1","5","5","6","5","4","1") = "5"
    & skf21("3","1","5","5","6","5","5","1") = "5"
    & skf21("3","1","5","5","6","5","6","1") = "5"
    & skf21("3","1","5","5","6","5","7","1") = "6"
    & skf21("3","1","5","5","6","6","1","1") = "5"
    & skf21("3","1","5","5","6","6","2","1") = "5"
    & skf21("3","1","5","5","6","6","3","1") = "5"
    & skf21("3","1","5","5","6","6","4","1") = "5"
    & skf21("3","1","5","5","6","6","5","1") = "5"
    & skf21("3","1","5","5","6","6","6","1") = "5"
    & skf21("3","1","5","5","6","6","7","1") = "6"
    & skf21("3","1","5","5","6","7","1","1") = "6"
    & skf21("3","1","5","5","6","7","2","1") = "6"
    & skf21("3","1","5","5","6","7","3","1") = "6"
    & skf21("3","1","5","5","6","7","4","1") = "6"
    & skf21("3","1","5","5","6","7","5","1") = "6"
    & skf21("3","1","5","5","6","7","6","1") = "6"
    & skf21("3","1","5","5","6","7","7","1") = "6"
    & skf21("3","1","5","5","7","1","1","1") = "6"
    & skf21("3","1","5","5","7","1","2","1") = "6"
    & skf21("3","1","5","5","7","1","3","1") = "6"
    & skf21("3","1","5","5","7","1","4","1") = "6"
    & skf21("3","1","5","5","7","1","5","1") = "6"
    & skf21("3","1","5","5","7","1","6","1") = "6"
    & skf21("3","1","5","5","7","1","7","1") = "6"
    & skf21("3","1","5","5","7","2","1","1") = "6"
    & skf21("3","1","5","5","7","2","2","1") = "6"
    & skf21("3","1","5","5","7","2","3","1") = "6"
    & skf21("3","1","5","5","7","2","4","1") = "6"
    & skf21("3","1","5","5","7","2","5","1") = "6"
    & skf21("3","1","5","5","7","2","6","1") = "6"
    & skf21("3","1","5","5","7","2","7","1") = "6"
    & skf21("3","1","5","5","7","3","1","1") = "6"
    & skf21("3","1","5","5","7","3","2","1") = "6"
    & skf21("3","1","5","5","7","3","3","1") = "6"
    & skf21("3","1","5","5","7","3","4","1") = "6"
    & skf21("3","1","5","5","7","3","5","1") = "6"
    & skf21("3","1","5","5","7","3","6","1") = "6"
    & skf21("3","1","5","5","7","3","7","1") = "6"
    & skf21("3","1","5","5","7","4","1","1") = "6"
    & skf21("3","1","5","5","7","4","2","1") = "6"
    & skf21("3","1","5","5","7","4","3","1") = "6"
    & skf21("3","1","5","5","7","4","4","1") = "6"
    & skf21("3","1","5","5","7","4","5","1") = "6"
    & skf21("3","1","5","5","7","4","6","1") = "6"
    & skf21("3","1","5","5","7","4","7","1") = "6"
    & skf21("3","1","5","5","7","5","1","1") = "6"
    & skf21("3","1","5","5","7","5","2","1") = "6"
    & skf21("3","1","5","5","7","5","3","1") = "6"
    & skf21("3","1","5","5","7","5","4","1") = "6"
    & skf21("3","1","5","5","7","5","5","1") = "6"
    & skf21("3","1","5","5","7","5","6","1") = "6"
    & skf21("3","1","5","5","7","5","7","1") = "6"
    & skf21("3","1","5","5","7","6","1","1") = "6"
    & skf21("3","1","5","5","7","6","2","1") = "6"
    & skf21("3","1","5","5","7","6","3","1") = "6"
    & skf21("3","1","5","5","7","6","4","1") = "6"
    & skf21("3","1","5","5","7","6","5","1") = "6"
    & skf21("3","1","5","5","7","6","6","1") = "6"
    & skf21("3","1","5","5","7","6","7","1") = "6"
    & skf21("3","1","5","5","7","7","1","1") = "6"
    & skf21("3","1","5","5","7","7","2","1") = "6"
    & skf21("3","1","5","5","7","7","3","1") = "6"
    & skf21("3","1","5","5","7","7","4","1") = "6"
    & skf21("3","1","5","5","7","7","5","1") = "6"
    & skf21("3","1","5","5","7","7","6","1") = "6"
    & skf21("3","1","5","5","7","7","7","1") = "6"
    & skf21("3","1","5","6","1","1","1","1") = "5"
    & skf21("3","1","5","6","1","1","2","1") = "5"
    & skf21("3","1","5","6","1","1","3","1") = "5"
    & skf21("3","1","5","6","1","1","4","1") = "5"
    & skf21("3","1","5","6","1","1","5","1") = "5"
    & skf21("3","1","5","6","1","1","6","1") = "5"
    & skf21("3","1","5","6","1","1","7","1") = "6"
    & skf21("3","1","5","6","1","2","1","1") = "5"
    & skf21("3","1","5","6","1","2","2","1") = "5"
    & skf21("3","1","5","6","1","2","3","1") = "5"
    & skf21("3","1","5","6","1","2","4","1") = "5"
    & skf21("3","1","5","6","1","2","5","1") = "5"
    & skf21("3","1","5","6","1","2","6","1") = "5"
    & skf21("3","1","5","6","1","2","7","1") = "6"
    & skf21("3","1","5","6","1","3","1","1") = "5"
    & skf21("3","1","5","6","1","3","2","1") = "5"
    & skf21("3","1","5","6","1","3","3","1") = "5"
    & skf21("3","1","5","6","1","3","4","1") = "5"
    & skf21("3","1","5","6","1","3","5","1") = "5"
    & skf21("3","1","5","6","1","3","6","1") = "5"
    & skf21("3","1","5","6","1","3","7","1") = "6"
    & skf21("3","1","5","6","1","4","1","1") = "5"
    & skf21("3","1","5","6","1","4","2","1") = "5"
    & skf21("3","1","5","6","1","4","3","1") = "5"
    & skf21("3","1","5","6","1","4","4","1") = "5"
    & skf21("3","1","5","6","1","4","5","1") = "5"
    & skf21("3","1","5","6","1","4","6","1") = "5"
    & skf21("3","1","5","6","1","4","7","1") = "6"
    & skf21("3","1","5","6","1","5","1","1") = "5"
    & skf21("3","1","5","6","1","5","2","1") = "5"
    & skf21("3","1","5","6","1","5","3","1") = "5"
    & skf21("3","1","5","6","1","5","4","1") = "5"
    & skf21("3","1","5","6","1","5","5","1") = "5"
    & skf21("3","1","5","6","1","5","6","1") = "5"
    & skf21("3","1","5","6","1","5","7","1") = "6"
    & skf21("3","1","5","6","1","6","1","1") = "5"
    & skf21("3","1","5","6","1","6","2","1") = "5"
    & skf21("3","1","5","6","1","6","3","1") = "5"
    & skf21("3","1","5","6","1","6","4","1") = "5"
    & skf21("3","1","5","6","1","6","5","1") = "5"
    & skf21("3","1","5","6","1","6","6","1") = "5"
    & skf21("3","1","5","6","1","6","7","1") = "6"
    & skf21("3","1","5","6","1","7","1","1") = "6"
    & skf21("3","1","5","6","1","7","2","1") = "6"
    & skf21("3","1","5","6","1","7","3","1") = "6"
    & skf21("3","1","5","6","1","7","4","1") = "6"
    & skf21("3","1","5","6","1","7","5","1") = "6"
    & skf21("3","1","5","6","1","7","6","1") = "6"
    & skf21("3","1","5","6","1","7","7","1") = "6"
    & skf21("3","1","5","6","2","1","1","1") = "5"
    & skf21("3","1","5","6","2","1","2","1") = "5"
    & skf21("3","1","5","6","2","1","3","1") = "5"
    & skf21("3","1","5","6","2","1","4","1") = "5"
    & skf21("3","1","5","6","2","1","5","1") = "5"
    & skf21("3","1","5","6","2","1","6","1") = "5"
    & skf21("3","1","5","6","2","1","7","1") = "6"
    & skf21("3","1","5","6","2","2","1","1") = "5"
    & skf21("3","1","5","6","2","2","2","1") = "5"
    & skf21("3","1","5","6","2","2","3","1") = "5"
    & skf21("3","1","5","6","2","2","4","1") = "5"
    & skf21("3","1","5","6","2","2","5","1") = "5"
    & skf21("3","1","5","6","2","2","6","1") = "5"
    & skf21("3","1","5","6","2","2","7","1") = "6"
    & skf21("3","1","5","6","2","3","1","1") = "5"
    & skf21("3","1","5","6","2","3","2","1") = "5"
    & skf21("3","1","5","6","2","3","3","1") = "5"
    & skf21("3","1","5","6","2","3","4","1") = "5"
    & skf21("3","1","5","6","2","3","5","1") = "5"
    & skf21("3","1","5","6","2","3","6","1") = "5"
    & skf21("3","1","5","6","2","3","7","1") = "6"
    & skf21("3","1","5","6","2","4","1","1") = "5"
    & skf21("3","1","5","6","2","4","2","1") = "5"
    & skf21("3","1","5","6","2","4","3","1") = "5"
    & skf21("3","1","5","6","2","4","4","1") = "5"
    & skf21("3","1","5","6","2","4","5","1") = "5"
    & skf21("3","1","5","6","2","4","6","1") = "5"
    & skf21("3","1","5","6","2","4","7","1") = "6"
    & skf21("3","1","5","6","2","5","1","1") = "5"
    & skf21("3","1","5","6","2","5","2","1") = "5"
    & skf21("3","1","5","6","2","5","3","1") = "5"
    & skf21("3","1","5","6","2","5","4","1") = "5"
    & skf21("3","1","5","6","2","5","5","1") = "5"
    & skf21("3","1","5","6","2","5","6","1") = "5"
    & skf21("3","1","5","6","2","5","7","1") = "6"
    & skf21("3","1","5","6","2","6","1","1") = "5"
    & skf21("3","1","5","6","2","6","2","1") = "5"
    & skf21("3","1","5","6","2","6","3","1") = "5"
    & skf21("3","1","5","6","2","6","4","1") = "5"
    & skf21("3","1","5","6","2","6","5","1") = "5"
    & skf21("3","1","5","6","2","6","6","1") = "5"
    & skf21("3","1","5","6","2","6","7","1") = "6"
    & skf21("3","1","5","6","2","7","1","1") = "6"
    & skf21("3","1","5","6","2","7","2","1") = "6"
    & skf21("3","1","5","6","2","7","3","1") = "6"
    & skf21("3","1","5","6","2","7","4","1") = "6"
    & skf21("3","1","5","6","2","7","5","1") = "6"
    & skf21("3","1","5","6","2","7","6","1") = "6"
    & skf21("3","1","5","6","2","7","7","1") = "6"
    & skf21("3","1","5","6","3","1","1","1") = "5"
    & skf21("3","1","5","6","3","1","2","1") = "5"
    & skf21("3","1","5","6","3","1","3","1") = "5"
    & skf21("3","1","5","6","3","1","4","1") = "5"
    & skf21("3","1","5","6","3","1","5","1") = "5"
    & skf21("3","1","5","6","3","1","6","1") = "5"
    & skf21("3","1","5","6","3","1","7","1") = "6"
    & skf21("3","1","5","6","3","2","1","1") = "5"
    & skf21("3","1","5","6","3","2","2","1") = "5"
    & skf21("3","1","5","6","3","2","3","1") = "5"
    & skf21("3","1","5","6","3","2","4","1") = "5"
    & skf21("3","1","5","6","3","2","5","1") = "5"
    & skf21("3","1","5","6","3","2","6","1") = "5"
    & skf21("3","1","5","6","3","2","7","1") = "6"
    & skf21("3","1","5","6","3","3","1","1") = "5"
    & skf21("3","1","5","6","3","3","2","1") = "5"
    & skf21("3","1","5","6","3","3","3","1") = "5"
    & skf21("3","1","5","6","3","3","4","1") = "5"
    & skf21("3","1","5","6","3","3","5","1") = "5"
    & skf21("3","1","5","6","3","3","6","1") = "5"
    & skf21("3","1","5","6","3","3","7","1") = "6"
    & skf21("3","1","5","6","3","4","1","1") = "5"
    & skf21("3","1","5","6","3","4","2","1") = "5"
    & skf21("3","1","5","6","3","4","3","1") = "5"
    & skf21("3","1","5","6","3","4","4","1") = "5"
    & skf21("3","1","5","6","3","4","5","1") = "5"
    & skf21("3","1","5","6","3","4","6","1") = "5"
    & skf21("3","1","5","6","3","4","7","1") = "6"
    & skf21("3","1","5","6","3","5","1","1") = "5"
    & skf21("3","1","5","6","3","5","2","1") = "5"
    & skf21("3","1","5","6","3","5","3","1") = "5"
    & skf21("3","1","5","6","3","5","4","1") = "5"
    & skf21("3","1","5","6","3","5","5","1") = "5"
    & skf21("3","1","5","6","3","5","6","1") = "5"
    & skf21("3","1","5","6","3","5","7","1") = "6"
    & skf21("3","1","5","6","3","6","1","1") = "5"
    & skf21("3","1","5","6","3","6","2","1") = "5"
    & skf21("3","1","5","6","3","6","3","1") = "5"
    & skf21("3","1","5","6","3","6","4","1") = "5"
    & skf21("3","1","5","6","3","6","5","1") = "5"
    & skf21("3","1","5","6","3","6","6","1") = "5"
    & skf21("3","1","5","6","3","6","7","1") = "6"
    & skf21("3","1","5","6","3","7","1","1") = "6"
    & skf21("3","1","5","6","3","7","2","1") = "6"
    & skf21("3","1","5","6","3","7","3","1") = "6"
    & skf21("3","1","5","6","3","7","4","1") = "6"
    & skf21("3","1","5","6","3","7","5","1") = "6"
    & skf21("3","1","5","6","3","7","6","1") = "6"
    & skf21("3","1","5","6","3","7","7","1") = "6"
    & skf21("3","1","5","6","4","1","1","1") = "5"
    & skf21("3","1","5","6","4","1","2","1") = "5"
    & skf21("3","1","5","6","4","1","3","1") = "5"
    & skf21("3","1","5","6","4","1","4","1") = "5"
    & skf21("3","1","5","6","4","1","5","1") = "5"
    & skf21("3","1","5","6","4","1","6","1") = "5"
    & skf21("3","1","5","6","4","1","7","1") = "6"
    & skf21("3","1","5","6","4","2","1","1") = "5"
    & skf21("3","1","5","6","4","2","2","1") = "5"
    & skf21("3","1","5","6","4","2","3","1") = "5"
    & skf21("3","1","5","6","4","2","4","1") = "5"
    & skf21("3","1","5","6","4","2","5","1") = "5"
    & skf21("3","1","5","6","4","2","6","1") = "5"
    & skf21("3","1","5","6","4","2","7","1") = "6"
    & skf21("3","1","5","6","4","3","1","1") = "5"
    & skf21("3","1","5","6","4","3","2","1") = "5"
    & skf21("3","1","5","6","4","3","3","1") = "5"
    & skf21("3","1","5","6","4","3","4","1") = "5"
    & skf21("3","1","5","6","4","3","5","1") = "5"
    & skf21("3","1","5","6","4","3","6","1") = "5"
    & skf21("3","1","5","6","4","3","7","1") = "6"
    & skf21("3","1","5","6","4","4","1","1") = "5"
    & skf21("3","1","5","6","4","4","2","1") = "5"
    & skf21("3","1","5","6","4","4","3","1") = "5"
    & skf21("3","1","5","6","4","4","4","1") = "5"
    & skf21("3","1","5","6","4","4","5","1") = "5"
    & skf21("3","1","5","6","4","4","6","1") = "5"
    & skf21("3","1","5","6","4","4","7","1") = "6"
    & skf21("3","1","5","6","4","5","1","1") = "5"
    & skf21("3","1","5","6","4","5","2","1") = "5"
    & skf21("3","1","5","6","4","5","3","1") = "5"
    & skf21("3","1","5","6","4","5","4","1") = "5"
    & skf21("3","1","5","6","4","5","5","1") = "5"
    & skf21("3","1","5","6","4","5","6","1") = "5"
    & skf21("3","1","5","6","4","5","7","1") = "6"
    & skf21("3","1","5","6","4","6","1","1") = "5"
    & skf21("3","1","5","6","4","6","2","1") = "5"
    & skf21("3","1","5","6","4","6","3","1") = "5"
    & skf21("3","1","5","6","4","6","4","1") = "5"
    & skf21("3","1","5","6","4","6","5","1") = "5"
    & skf21("3","1","5","6","4","6","6","1") = "5"
    & skf21("3","1","5","6","4","6","7","1") = "6"
    & skf21("3","1","5","6","4","7","1","1") = "6"
    & skf21("3","1","5","6","4","7","2","1") = "6"
    & skf21("3","1","5","6","4","7","3","1") = "6"
    & skf21("3","1","5","6","4","7","4","1") = "6"
    & skf21("3","1","5","6","4","7","5","1") = "6"
    & skf21("3","1","5","6","4","7","6","1") = "6"
    & skf21("3","1","5","6","4","7","7","1") = "6"
    & skf21("3","1","5","6","5","1","1","1") = "5"
    & skf21("3","1","5","6","5","1","2","1") = "5"
    & skf21("3","1","5","6","5","1","3","1") = "5"
    & skf21("3","1","5","6","5","1","4","1") = "5"
    & skf21("3","1","5","6","5","1","5","1") = "5"
    & skf21("3","1","5","6","5","1","6","1") = "5"
    & skf21("3","1","5","6","5","1","7","1") = "6"
    & skf21("3","1","5","6","5","2","1","1") = "5"
    & skf21("3","1","5","6","5","2","2","1") = "5"
    & skf21("3","1","5","6","5","2","3","1") = "5"
    & skf21("3","1","5","6","5","2","4","1") = "5"
    & skf21("3","1","5","6","5","2","5","1") = "5"
    & skf21("3","1","5","6","5","2","6","1") = "5"
    & skf21("3","1","5","6","5","2","7","1") = "6"
    & skf21("3","1","5","6","5","3","1","1") = "5"
    & skf21("3","1","5","6","5","3","2","1") = "5"
    & skf21("3","1","5","6","5","3","3","1") = "5"
    & skf21("3","1","5","6","5","3","4","1") = "5"
    & skf21("3","1","5","6","5","3","5","1") = "5"
    & skf21("3","1","5","6","5","3","6","1") = "5"
    & skf21("3","1","5","6","5","3","7","1") = "6"
    & skf21("3","1","5","6","5","4","1","1") = "5"
    & skf21("3","1","5","6","5","4","2","1") = "5"
    & skf21("3","1","5","6","5","4","3","1") = "5"
    & skf21("3","1","5","6","5","4","4","1") = "5"
    & skf21("3","1","5","6","5","4","5","1") = "5"
    & skf21("3","1","5","6","5","4","6","1") = "5"
    & skf21("3","1","5","6","5","4","7","1") = "6"
    & skf21("3","1","5","6","5","5","1","1") = "5"
    & skf21("3","1","5","6","5","5","2","1") = "5"
    & skf21("3","1","5","6","5","5","3","1") = "5"
    & skf21("3","1","5","6","5","5","4","1") = "5"
    & skf21("3","1","5","6","5","5","5","1") = "5"
    & skf21("3","1","5","6","5","5","6","1") = "5"
    & skf21("3","1","5","6","5","5","7","1") = "6"
    & skf21("3","1","5","6","5","6","1","1") = "5"
    & skf21("3","1","5","6","5","6","2","1") = "5"
    & skf21("3","1","5","6","5","6","3","1") = "5"
    & skf21("3","1","5","6","5","6","4","1") = "5"
    & skf21("3","1","5","6","5","6","5","1") = "5"
    & skf21("3","1","5","6","5","6","6","1") = "5"
    & skf21("3","1","5","6","5","6","7","1") = "6"
    & skf21("3","1","5","6","5","7","1","1") = "6"
    & skf21("3","1","5","6","5","7","2","1") = "6"
    & skf21("3","1","5","6","5","7","3","1") = "6"
    & skf21("3","1","5","6","5","7","4","1") = "6"
    & skf21("3","1","5","6","5","7","5","1") = "6"
    & skf21("3","1","5","6","5","7","6","1") = "6"
    & skf21("3","1","5","6","5","7","7","1") = "6"
    & skf21("3","1","5","6","6","1","1","1") = "5"
    & skf21("3","1","5","6","6","1","2","1") = "5"
    & skf21("3","1","5","6","6","1","3","1") = "5"
    & skf21("3","1","5","6","6","1","4","1") = "5"
    & skf21("3","1","5","6","6","1","5","1") = "5"
    & skf21("3","1","5","6","6","1","6","1") = "5"
    & skf21("3","1","5","6","6","1","7","1") = "6"
    & skf21("3","1","5","6","6","2","1","1") = "5"
    & skf21("3","1","5","6","6","2","2","1") = "5"
    & skf21("3","1","5","6","6","2","3","1") = "5"
    & skf21("3","1","5","6","6","2","4","1") = "5"
    & skf21("3","1","5","6","6","2","5","1") = "5"
    & skf21("3","1","5","6","6","2","6","1") = "5"
    & skf21("3","1","5","6","6","2","7","1") = "6"
    & skf21("3","1","5","6","6","3","1","1") = "5"
    & skf21("3","1","5","6","6","3","2","1") = "5"
    & skf21("3","1","5","6","6","3","3","1") = "5"
    & skf21("3","1","5","6","6","3","4","1") = "5"
    & skf21("3","1","5","6","6","3","5","1") = "5"
    & skf21("3","1","5","6","6","3","6","1") = "5"
    & skf21("3","1","5","6","6","3","7","1") = "6"
    & skf21("3","1","5","6","6","4","1","1") = "5"
    & skf21("3","1","5","6","6","4","2","1") = "5"
    & skf21("3","1","5","6","6","4","3","1") = "5"
    & skf21("3","1","5","6","6","4","4","1") = "5"
    & skf21("3","1","5","6","6","4","5","1") = "5"
    & skf21("3","1","5","6","6","4","6","1") = "5"
    & skf21("3","1","5","6","6","4","7","1") = "6"
    & skf21("3","1","5","6","6","5","1","1") = "5"
    & skf21("3","1","5","6","6","5","2","1") = "5"
    & skf21("3","1","5","6","6","5","3","1") = "5"
    & skf21("3","1","5","6","6","5","4","1") = "5"
    & skf21("3","1","5","6","6","5","5","1") = "5"
    & skf21("3","1","5","6","6","5","6","1") = "5"
    & skf21("3","1","5","6","6","5","7","1") = "6"
    & skf21("3","1","5","6","6","6","1","1") = "5"
    & skf21("3","1","5","6","6","6","2","1") = "5"
    & skf21("3","1","5","6","6","6","3","1") = "5"
    & skf21("3","1","5","6","6","6","4","1") = "5"
    & skf21("3","1","5","6","6","6","5","1") = "5"
    & skf21("3","1","5","6","6","6","6","1") = "5"
    & skf21("3","1","5","6","6","6","7","1") = "6"
    & skf21("3","1","5","6","6","7","1","1") = "6"
    & skf21("3","1","5","6","6","7","2","1") = "6"
    & skf21("3","1","5","6","6","7","3","1") = "6"
    & skf21("3","1","5","6","6","7","4","1") = "6"
    & skf21("3","1","5","6","6","7","5","1") = "6"
    & skf21("3","1","5","6","6","7","6","1") = "6"
    & skf21("3","1","5","6","6","7","7","1") = "6"
    & skf21("3","1","5","6","7","1","1","1") = "6"
    & skf21("3","1","5","6","7","1","2","1") = "6"
    & skf21("3","1","5","6","7","1","3","1") = "6"
    & skf21("3","1","5","6","7","1","4","1") = "6"
    & skf21("3","1","5","6","7","1","5","1") = "6"
    & skf21("3","1","5","6","7","1","6","1") = "6"
    & skf21("3","1","5","6","7","1","7","1") = "6"
    & skf21("3","1","5","6","7","2","1","1") = "6"
    & skf21("3","1","5","6","7","2","2","1") = "6"
    & skf21("3","1","5","6","7","2","3","1") = "6"
    & skf21("3","1","5","6","7","2","4","1") = "6"
    & skf21("3","1","5","6","7","2","5","1") = "6"
    & skf21("3","1","5","6","7","2","6","1") = "6"
    & skf21("3","1","5","6","7","2","7","1") = "6"
    & skf21("3","1","5","6","7","3","1","1") = "6"
    & skf21("3","1","5","6","7","3","2","1") = "6"
    & skf21("3","1","5","6","7","3","3","1") = "6"
    & skf21("3","1","5","6","7","3","4","1") = "6"
    & skf21("3","1","5","6","7","3","5","1") = "6"
    & skf21("3","1","5","6","7","3","6","1") = "6"
    & skf21("3","1","5","6","7","3","7","1") = "6"
    & skf21("3","1","5","6","7","4","1","1") = "6"
    & skf21("3","1","5","6","7","4","2","1") = "6"
    & skf21("3","1","5","6","7","4","3","1") = "6"
    & skf21("3","1","5","6","7","4","4","1") = "6"
    & skf21("3","1","5","6","7","4","5","1") = "6"
    & skf21("3","1","5","6","7","4","6","1") = "6"
    & skf21("3","1","5","6","7","4","7","1") = "6"
    & skf21("3","1","5","6","7","5","1","1") = "6"
    & skf21("3","1","5","6","7","5","2","1") = "6"
    & skf21("3","1","5","6","7","5","3","1") = "6"
    & skf21("3","1","5","6","7","5","4","1") = "6"
    & skf21("3","1","5","6","7","5","5","1") = "6"
    & skf21("3","1","5","6","7","5","6","1") = "6"
    & skf21("3","1","5","6","7","5","7","1") = "6"
    & skf21("3","1","5","6","7","6","1","1") = "6"
    & skf21("3","1","5","6","7","6","2","1") = "6"
    & skf21("3","1","5","6","7","6","3","1") = "6"
    & skf21("3","1","5","6","7","6","4","1") = "6"
    & skf21("3","1","5","6","7","6","5","1") = "6"
    & skf21("3","1","5","6","7","6","6","1") = "6"
    & skf21("3","1","5","6","7","6","7","1") = "6"
    & skf21("3","1","5","6","7","7","1","1") = "6"
    & skf21("3","1","5","6","7","7","2","1") = "6"
    & skf21("3","1","5","6","7","7","3","1") = "6"
    & skf21("3","1","5","6","7","7","4","1") = "6"
    & skf21("3","1","5","6","7","7","5","1") = "6"
    & skf21("3","1","5","6","7","7","6","1") = "6"
    & skf21("3","1","5","6","7","7","7","1") = "6"
    & skf21("3","1","5","7","1","1","1","1") = "6"
    & skf21("3","1","5","7","1","1","2","1") = "6"
    & skf21("3","1","5","7","1","1","3","1") = "6"
    & skf21("3","1","5","7","1","1","4","1") = "6"
    & skf21("3","1","5","7","1","1","5","1") = "6"
    & skf21("3","1","5","7","1","1","6","1") = "6"
    & skf21("3","1","5","7","1","1","7","1") = "6"
    & skf21("3","1","5","7","1","2","1","1") = "6"
    & skf21("3","1","5","7","1","2","2","1") = "6"
    & skf21("3","1","5","7","1","2","3","1") = "6"
    & skf21("3","1","5","7","1","2","4","1") = "6"
    & skf21("3","1","5","7","1","2","5","1") = "6"
    & skf21("3","1","5","7","1","2","6","1") = "6"
    & skf21("3","1","5","7","1","2","7","1") = "6"
    & skf21("3","1","5","7","1","3","1","1") = "6"
    & skf21("3","1","5","7","1","3","2","1") = "6"
    & skf21("3","1","5","7","1","3","3","1") = "6"
    & skf21("3","1","5","7","1","3","4","1") = "6"
    & skf21("3","1","5","7","1","3","5","1") = "6"
    & skf21("3","1","5","7","1","3","6","1") = "6"
    & skf21("3","1","5","7","1","3","7","1") = "6"
    & skf21("3","1","5","7","1","4","1","1") = "6"
    & skf21("3","1","5","7","1","4","2","1") = "6"
    & skf21("3","1","5","7","1","4","3","1") = "6"
    & skf21("3","1","5","7","1","4","4","1") = "6"
    & skf21("3","1","5","7","1","4","5","1") = "6"
    & skf21("3","1","5","7","1","4","6","1") = "6"
    & skf21("3","1","5","7","1","4","7","1") = "6"
    & skf21("3","1","5","7","1","5","1","1") = "6"
    & skf21("3","1","5","7","1","5","2","1") = "6"
    & skf21("3","1","5","7","1","5","3","1") = "6"
    & skf21("3","1","5","7","1","5","4","1") = "6"
    & skf21("3","1","5","7","1","5","5","1") = "6"
    & skf21("3","1","5","7","1","5","6","1") = "6"
    & skf21("3","1","5","7","1","5","7","1") = "6"
    & skf21("3","1","5","7","1","6","1","1") = "6"
    & skf21("3","1","5","7","1","6","2","1") = "6"
    & skf21("3","1","5","7","1","6","3","1") = "6"
    & skf21("3","1","5","7","1","6","4","1") = "6"
    & skf21("3","1","5","7","1","6","5","1") = "6"
    & skf21("3","1","5","7","1","6","6","1") = "6"
    & skf21("3","1","5","7","1","6","7","1") = "6"
    & skf21("3","1","5","7","1","7","1","1") = "6"
    & skf21("3","1","5","7","1","7","2","1") = "6"
    & skf21("3","1","5","7","1","7","3","1") = "6"
    & skf21("3","1","5","7","1","7","4","1") = "6"
    & skf21("3","1","5","7","1","7","5","1") = "6"
    & skf21("3","1","5","7","1","7","6","1") = "6"
    & skf21("3","1","5","7","1","7","7","1") = "6"
    & skf21("3","1","5","7","2","1","1","1") = "6"
    & skf21("3","1","5","7","2","1","2","1") = "6"
    & skf21("3","1","5","7","2","1","3","1") = "6"
    & skf21("3","1","5","7","2","1","4","1") = "6"
    & skf21("3","1","5","7","2","1","5","1") = "6"
    & skf21("3","1","5","7","2","1","6","1") = "6"
    & skf21("3","1","5","7","2","1","7","1") = "6"
    & skf21("3","1","5","7","2","2","1","1") = "6"
    & skf21("3","1","5","7","2","2","2","1") = "6"
    & skf21("3","1","5","7","2","2","3","1") = "6"
    & skf21("3","1","5","7","2","2","4","1") = "6"
    & skf21("3","1","5","7","2","2","5","1") = "6"
    & skf21("3","1","5","7","2","2","6","1") = "6"
    & skf21("3","1","5","7","2","2","7","1") = "6"
    & skf21("3","1","5","7","2","3","1","1") = "6"
    & skf21("3","1","5","7","2","3","2","1") = "6"
    & skf21("3","1","5","7","2","3","3","1") = "6"
    & skf21("3","1","5","7","2","3","4","1") = "6"
    & skf21("3","1","5","7","2","3","5","1") = "6"
    & skf21("3","1","5","7","2","3","6","1") = "6"
    & skf21("3","1","5","7","2","3","7","1") = "6"
    & skf21("3","1","5","7","2","4","1","1") = "6"
    & skf21("3","1","5","7","2","4","2","1") = "6"
    & skf21("3","1","5","7","2","4","3","1") = "6"
    & skf21("3","1","5","7","2","4","4","1") = "6"
    & skf21("3","1","5","7","2","4","5","1") = "6"
    & skf21("3","1","5","7","2","4","6","1") = "6"
    & skf21("3","1","5","7","2","4","7","1") = "6"
    & skf21("3","1","5","7","2","5","1","1") = "6"
    & skf21("3","1","5","7","2","5","2","1") = "6"
    & skf21("3","1","5","7","2","5","3","1") = "6"
    & skf21("3","1","5","7","2","5","4","1") = "6"
    & skf21("3","1","5","7","2","5","5","1") = "6"
    & skf21("3","1","5","7","2","5","6","1") = "6"
    & skf21("3","1","5","7","2","5","7","1") = "6"
    & skf21("3","1","5","7","2","6","1","1") = "6"
    & skf21("3","1","5","7","2","6","2","1") = "6"
    & skf21("3","1","5","7","2","6","3","1") = "6"
    & skf21("3","1","5","7","2","6","4","1") = "6"
    & skf21("3","1","5","7","2","6","5","1") = "6"
    & skf21("3","1","5","7","2","6","6","1") = "6"
    & skf21("3","1","5","7","2","6","7","1") = "6"
    & skf21("3","1","5","7","2","7","1","1") = "6"
    & skf21("3","1","5","7","2","7","2","1") = "6"
    & skf21("3","1","5","7","2","7","3","1") = "6"
    & skf21("3","1","5","7","2","7","4","1") = "6"
    & skf21("3","1","5","7","2","7","5","1") = "6"
    & skf21("3","1","5","7","2","7","6","1") = "6"
    & skf21("3","1","5","7","2","7","7","1") = "6"
    & skf21("3","1","5","7","3","1","1","1") = "6"
    & skf21("3","1","5","7","3","1","2","1") = "6"
    & skf21("3","1","5","7","3","1","3","1") = "6"
    & skf21("3","1","5","7","3","1","4","1") = "6"
    & skf21("3","1","5","7","3","1","5","1") = "6"
    & skf21("3","1","5","7","3","1","6","1") = "6"
    & skf21("3","1","5","7","3","1","7","1") = "6"
    & skf21("3","1","5","7","3","2","1","1") = "6"
    & skf21("3","1","5","7","3","2","2","1") = "6"
    & skf21("3","1","5","7","3","2","3","1") = "6"
    & skf21("3","1","5","7","3","2","4","1") = "6"
    & skf21("3","1","5","7","3","2","5","1") = "6"
    & skf21("3","1","5","7","3","2","6","1") = "6"
    & skf21("3","1","5","7","3","2","7","1") = "6"
    & skf21("3","1","5","7","3","3","1","1") = "6"
    & skf21("3","1","5","7","3","3","2","1") = "6"
    & skf21("3","1","5","7","3","3","3","1") = "6"
    & skf21("3","1","5","7","3","3","4","1") = "6"
    & skf21("3","1","5","7","3","3","5","1") = "6"
    & skf21("3","1","5","7","3","3","6","1") = "6"
    & skf21("3","1","5","7","3","3","7","1") = "6"
    & skf21("3","1","5","7","3","4","1","1") = "6"
    & skf21("3","1","5","7","3","4","2","1") = "6"
    & skf21("3","1","5","7","3","4","3","1") = "6"
    & skf21("3","1","5","7","3","4","4","1") = "6"
    & skf21("3","1","5","7","3","4","5","1") = "6"
    & skf21("3","1","5","7","3","4","6","1") = "6"
    & skf21("3","1","5","7","3","4","7","1") = "6"
    & skf21("3","1","5","7","3","5","1","1") = "6"
    & skf21("3","1","5","7","3","5","2","1") = "6"
    & skf21("3","1","5","7","3","5","3","1") = "6"
    & skf21("3","1","5","7","3","5","4","1") = "6"
    & skf21("3","1","5","7","3","5","5","1") = "6"
    & skf21("3","1","5","7","3","5","6","1") = "6"
    & skf21("3","1","5","7","3","5","7","1") = "6"
    & skf21("3","1","5","7","3","6","1","1") = "6"
    & skf21("3","1","5","7","3","6","2","1") = "6"
    & skf21("3","1","5","7","3","6","3","1") = "6"
    & skf21("3","1","5","7","3","6","4","1") = "6"
    & skf21("3","1","5","7","3","6","5","1") = "6"
    & skf21("3","1","5","7","3","6","6","1") = "6"
    & skf21("3","1","5","7","3","6","7","1") = "6"
    & skf21("3","1","5","7","3","7","1","1") = "6"
    & skf21("3","1","5","7","3","7","2","1") = "6"
    & skf21("3","1","5","7","3","7","3","1") = "6"
    & skf21("3","1","5","7","3","7","4","1") = "6"
    & skf21("3","1","5","7","3","7","5","1") = "6"
    & skf21("3","1","5","7","3","7","6","1") = "6"
    & skf21("3","1","5","7","3","7","7","1") = "6"
    & skf21("3","1","5","7","4","1","1","1") = "6"
    & skf21("3","1","5","7","4","1","2","1") = "6"
    & skf21("3","1","5","7","4","1","3","1") = "6"
    & skf21("3","1","5","7","4","1","4","1") = "6"
    & skf21("3","1","5","7","4","1","5","1") = "6"
    & skf21("3","1","5","7","4","1","6","1") = "6"
    & skf21("3","1","5","7","4","1","7","1") = "6"
    & skf21("3","1","5","7","4","2","1","1") = "6"
    & skf21("3","1","5","7","4","2","2","1") = "6"
    & skf21("3","1","5","7","4","2","3","1") = "6"
    & skf21("3","1","5","7","4","2","4","1") = "6"
    & skf21("3","1","5","7","4","2","5","1") = "6"
    & skf21("3","1","5","7","4","2","6","1") = "6"
    & skf21("3","1","5","7","4","2","7","1") = "6"
    & skf21("3","1","5","7","4","3","1","1") = "6"
    & skf21("3","1","5","7","4","3","2","1") = "6"
    & skf21("3","1","5","7","4","3","3","1") = "6"
    & skf21("3","1","5","7","4","3","4","1") = "6"
    & skf21("3","1","5","7","4","3","5","1") = "6"
    & skf21("3","1","5","7","4","3","6","1") = "6"
    & skf21("3","1","5","7","4","3","7","1") = "6"
    & skf21("3","1","5","7","4","4","1","1") = "6"
    & skf21("3","1","5","7","4","4","2","1") = "6"
    & skf21("3","1","5","7","4","4","3","1") = "6"
    & skf21("3","1","5","7","4","4","4","1") = "6"
    & skf21("3","1","5","7","4","4","5","1") = "6"
    & skf21("3","1","5","7","4","4","6","1") = "6"
    & skf21("3","1","5","7","4","4","7","1") = "6"
    & skf21("3","1","5","7","4","5","1","1") = "6"
    & skf21("3","1","5","7","4","5","2","1") = "6"
    & skf21("3","1","5","7","4","5","3","1") = "6"
    & skf21("3","1","5","7","4","5","4","1") = "6"
    & skf21("3","1","5","7","4","5","5","1") = "6"
    & skf21("3","1","5","7","4","5","6","1") = "6"
    & skf21("3","1","5","7","4","5","7","1") = "6"
    & skf21("3","1","5","7","4","6","1","1") = "6"
    & skf21("3","1","5","7","4","6","2","1") = "6"
    & skf21("3","1","5","7","4","6","3","1") = "6"
    & skf21("3","1","5","7","4","6","4","1") = "6"
    & skf21("3","1","5","7","4","6","5","1") = "6"
    & skf21("3","1","5","7","4","6","6","1") = "6"
    & skf21("3","1","5","7","4","6","7","1") = "6"
    & skf21("3","1","5","7","4","7","1","1") = "6"
    & skf21("3","1","5","7","4","7","2","1") = "6"
    & skf21("3","1","5","7","4","7","3","1") = "6"
    & skf21("3","1","5","7","4","7","4","1") = "6"
    & skf21("3","1","5","7","4","7","5","1") = "6"
    & skf21("3","1","5","7","4","7","6","1") = "6"
    & skf21("3","1","5","7","4","7","7","1") = "6"
    & skf21("3","1","5","7","5","1","1","1") = "6"
    & skf21("3","1","5","7","5","1","2","1") = "6"
    & skf21("3","1","5","7","5","1","3","1") = "6"
    & skf21("3","1","5","7","5","1","4","1") = "6"
    & skf21("3","1","5","7","5","1","5","1") = "6"
    & skf21("3","1","5","7","5","1","6","1") = "6"
    & skf21("3","1","5","7","5","1","7","1") = "6"
    & skf21("3","1","5","7","5","2","1","1") = "6"
    & skf21("3","1","5","7","5","2","2","1") = "6"
    & skf21("3","1","5","7","5","2","3","1") = "6"
    & skf21("3","1","5","7","5","2","4","1") = "6"
    & skf21("3","1","5","7","5","2","5","1") = "6"
    & skf21("3","1","5","7","5","2","6","1") = "6"
    & skf21("3","1","5","7","5","2","7","1") = "6"
    & skf21("3","1","5","7","5","3","1","1") = "6"
    & skf21("3","1","5","7","5","3","2","1") = "6"
    & skf21("3","1","5","7","5","3","3","1") = "6"
    & skf21("3","1","5","7","5","3","4","1") = "6"
    & skf21("3","1","5","7","5","3","5","1") = "6"
    & skf21("3","1","5","7","5","3","6","1") = "6"
    & skf21("3","1","5","7","5","3","7","1") = "6"
    & skf21("3","1","5","7","5","4","1","1") = "6"
    & skf21("3","1","5","7","5","4","2","1") = "6"
    & skf21("3","1","5","7","5","4","3","1") = "6"
    & skf21("3","1","5","7","5","4","4","1") = "6"
    & skf21("3","1","5","7","5","4","5","1") = "6"
    & skf21("3","1","5","7","5","4","6","1") = "6"
    & skf21("3","1","5","7","5","4","7","1") = "6"
    & skf21("3","1","5","7","5","5","1","1") = "6"
    & skf21("3","1","5","7","5","5","2","1") = "6"
    & skf21("3","1","5","7","5","5","3","1") = "6"
    & skf21("3","1","5","7","5","5","4","1") = "6"
    & skf21("3","1","5","7","5","5","5","1") = "6"
    & skf21("3","1","5","7","5","5","6","1") = "6"
    & skf21("3","1","5","7","5","5","7","1") = "6"
    & skf21("3","1","5","7","5","6","1","1") = "6"
    & skf21("3","1","5","7","5","6","2","1") = "6"
    & skf21("3","1","5","7","5","6","3","1") = "6"
    & skf21("3","1","5","7","5","6","4","1") = "6"
    & skf21("3","1","5","7","5","6","5","1") = "6"
    & skf21("3","1","5","7","5","6","6","1") = "6"
    & skf21("3","1","5","7","5","6","7","1") = "6"
    & skf21("3","1","5","7","5","7","1","1") = "6"
    & skf21("3","1","5","7","5","7","2","1") = "6"
    & skf21("3","1","5","7","5","7","3","1") = "6"
    & skf21("3","1","5","7","5","7","4","1") = "6"
    & skf21("3","1","5","7","5","7","5","1") = "6"
    & skf21("3","1","5","7","5","7","6","1") = "6"
    & skf21("3","1","5","7","5","7","7","1") = "6"
    & skf21("3","1","5","7","6","1","1","1") = "6"
    & skf21("3","1","5","7","6","1","2","1") = "6"
    & skf21("3","1","5","7","6","1","3","1") = "6"
    & skf21("3","1","5","7","6","1","4","1") = "6"
    & skf21("3","1","5","7","6","1","5","1") = "6"
    & skf21("3","1","5","7","6","1","6","1") = "6"
    & skf21("3","1","5","7","6","1","7","1") = "6"
    & skf21("3","1","5","7","6","2","1","1") = "6"
    & skf21("3","1","5","7","6","2","2","1") = "6"
    & skf21("3","1","5","7","6","2","3","1") = "6"
    & skf21("3","1","5","7","6","2","4","1") = "6"
    & skf21("3","1","5","7","6","2","5","1") = "6"
    & skf21("3","1","5","7","6","2","6","1") = "6"
    & skf21("3","1","5","7","6","2","7","1") = "6"
    & skf21("3","1","5","7","6","3","1","1") = "6"
    & skf21("3","1","5","7","6","3","2","1") = "6"
    & skf21("3","1","5","7","6","3","3","1") = "6"
    & skf21("3","1","5","7","6","3","4","1") = "6"
    & skf21("3","1","5","7","6","3","5","1") = "6"
    & skf21("3","1","5","7","6","3","6","1") = "6"
    & skf21("3","1","5","7","6","3","7","1") = "6"
    & skf21("3","1","5","7","6","4","1","1") = "6"
    & skf21("3","1","5","7","6","4","2","1") = "6"
    & skf21("3","1","5","7","6","4","3","1") = "6"
    & skf21("3","1","5","7","6","4","4","1") = "6"
    & skf21("3","1","5","7","6","4","5","1") = "6"
    & skf21("3","1","5","7","6","4","6","1") = "6"
    & skf21("3","1","5","7","6","4","7","1") = "6"
    & skf21("3","1","5","7","6","5","1","1") = "6"
    & skf21("3","1","5","7","6","5","2","1") = "6"
    & skf21("3","1","5","7","6","5","3","1") = "6"
    & skf21("3","1","5","7","6","5","4","1") = "6"
    & skf21("3","1","5","7","6","5","5","1") = "6"
    & skf21("3","1","5","7","6","5","6","1") = "6"
    & skf21("3","1","5","7","6","5","7","1") = "6"
    & skf21("3","1","5","7","6","6","1","1") = "6"
    & skf21("3","1","5","7","6","6","2","1") = "6"
    & skf21("3","1","5","7","6","6","3","1") = "6"
    & skf21("3","1","5","7","6","6","4","1") = "6"
    & skf21("3","1","5","7","6","6","5","1") = "6"
    & skf21("3","1","5","7","6","6","6","1") = "6"
    & skf21("3","1","5","7","6","6","7","1") = "6"
    & skf21("3","1","5","7","6","7","1","1") = "6"
    & skf21("3","1","5","7","6","7","2","1") = "6"
    & skf21("3","1","5","7","6","7","3","1") = "6"
    & skf21("3","1","5","7","6","7","4","1") = "6"
    & skf21("3","1","5","7","6","7","5","1") = "6"
    & skf21("3","1","5","7","6","7","6","1") = "6"
    & skf21("3","1","5","7","6","7","7","1") = "6"
    & skf21("3","1","5","7","7","1","1","1") = "6"
    & skf21("3","1","5","7","7","1","2","1") = "6"
    & skf21("3","1","5","7","7","1","3","1") = "6"
    & skf21("3","1","5","7","7","1","4","1") = "6"
    & skf21("3","1","5","7","7","1","5","1") = "6"
    & skf21("3","1","5","7","7","1","6","1") = "6"
    & skf21("3","1","5","7","7","1","7","1") = "6"
    & skf21("3","1","5","7","7","2","1","1") = "6"
    & skf21("3","1","5","7","7","2","2","1") = "6"
    & skf21("3","1","5","7","7","2","3","1") = "6"
    & skf21("3","1","5","7","7","2","4","1") = "6"
    & skf21("3","1","5","7","7","2","5","1") = "6"
    & skf21("3","1","5","7","7","2","6","1") = "6"
    & skf21("3","1","5","7","7","2","7","1") = "6"
    & skf21("3","1","5","7","7","3","1","1") = "6"
    & skf21("3","1","5","7","7","3","2","1") = "6"
    & skf21("3","1","5","7","7","3","3","1") = "6"
    & skf21("3","1","5","7","7","3","4","1") = "6"
    & skf21("3","1","5","7","7","3","5","1") = "6"
    & skf21("3","1","5","7","7","3","6","1") = "6"
    & skf21("3","1","5","7","7","3","7","1") = "6"
    & skf21("3","1","5","7","7","4","1","1") = "6"
    & skf21("3","1","5","7","7","4","2","1") = "6"
    & skf21("3","1","5","7","7","4","3","1") = "6"
    & skf21("3","1","5","7","7","4","4","1") = "6"
    & skf21("3","1","5","7","7","4","5","1") = "6"
    & skf21("3","1","5","7","7","4","6","1") = "6"
    & skf21("3","1","5","7","7","4","7","1") = "6"
    & skf21("3","1","5","7","7","5","1","1") = "6"
    & skf21("3","1","5","7","7","5","2","1") = "6"
    & skf21("3","1","5","7","7","5","3","1") = "6"
    & skf21("3","1","5","7","7","5","4","1") = "6"
    & skf21("3","1","5","7","7","5","5","1") = "6"
    & skf21("3","1","5","7","7","5","6","1") = "6"
    & skf21("3","1","5","7","7","5","7","1") = "6"
    & skf21("3","1","5","7","7","6","1","1") = "6"
    & skf21("3","1","5","7","7","6","2","1") = "6"
    & skf21("3","1","5","7","7","6","3","1") = "6"
    & skf21("3","1","5","7","7","6","4","1") = "6"
    & skf21("3","1","5","7","7","6","5","1") = "6"
    & skf21("3","1","5","7","7","6","6","1") = "6"
    & skf21("3","1","5","7","7","6","7","1") = "6"
    & skf21("3","1","5","7","7","7","1","1") = "6"
    & skf21("3","1","5","7","7","7","2","1") = "6"
    & skf21("3","1","5","7","7","7","3","1") = "6"
    & skf21("3","1","5","7","7","7","4","1") = "6"
    & skf21("3","1","5","7","7","7","5","1") = "6"
    & skf21("3","1","5","7","7","7","6","1") = "6"
    & skf21("3","1","5","7","7","7","7","1") = "6"
    & skf21("3","1","6","1","1","1","1","1") = "5"
    & skf21("3","1","6","1","1","1","2","1") = "5"
    & skf21("3","1","6","1","1","1","3","1") = "5"
    & skf21("3","1","6","1","1","1","4","1") = "5"
    & skf21("3","1","6","1","1","1","5","1") = "5"
    & skf21("3","1","6","1","1","1","6","1") = "5"
    & skf21("3","1","6","1","1","1","7","1") = "6"
    & skf21("3","1","6","1","1","2","1","1") = "5"
    & skf21("3","1","6","1","1","2","2","1") = "5"
    & skf21("3","1","6","1","1","2","3","1") = "5"
    & skf21("3","1","6","1","1","2","4","1") = "5"
    & skf21("3","1","6","1","1","2","5","1") = "5"
    & skf21("3","1","6","1","1","2","6","1") = "5"
    & skf21("3","1","6","1","1","2","7","1") = "6"
    & skf21("3","1","6","1","1","3","1","1") = "5"
    & skf21("3","1","6","1","1","3","2","1") = "5"
    & skf21("3","1","6","1","1","3","3","1") = "5"
    & skf21("3","1","6","1","1","3","4","1") = "5"
    & skf21("3","1","6","1","1","3","5","1") = "5"
    & skf21("3","1","6","1","1","3","6","1") = "5"
    & skf21("3","1","6","1","1","3","7","1") = "6"
    & skf21("3","1","6","1","1","4","1","1") = "5"
    & skf21("3","1","6","1","1","4","2","1") = "5"
    & skf21("3","1","6","1","1","4","3","1") = "5"
    & skf21("3","1","6","1","1","4","4","1") = "5"
    & skf21("3","1","6","1","1","4","5","1") = "5"
    & skf21("3","1","6","1","1","4","6","1") = "5"
    & skf21("3","1","6","1","1","4","7","1") = "6"
    & skf21("3","1","6","1","1","5","1","1") = "5"
    & skf21("3","1","6","1","1","5","2","1") = "5"
    & skf21("3","1","6","1","1","5","3","1") = "5"
    & skf21("3","1","6","1","1","5","4","1") = "5"
    & skf21("3","1","6","1","1","5","5","1") = "5"
    & skf21("3","1","6","1","1","5","6","1") = "5"
    & skf21("3","1","6","1","1","5","7","1") = "6"
    & skf21("3","1","6","1","1","6","1","1") = "5"
    & skf21("3","1","6","1","1","6","2","1") = "5"
    & skf21("3","1","6","1","1","6","3","1") = "5"
    & skf21("3","1","6","1","1","6","4","1") = "5"
    & skf21("3","1","6","1","1","6","5","1") = "5"
    & skf21("3","1","6","1","1","6","6","1") = "5"
    & skf21("3","1","6","1","1","6","7","1") = "6"
    & skf21("3","1","6","1","1","7","1","1") = "6"
    & skf21("3","1","6","1","1","7","2","1") = "6"
    & skf21("3","1","6","1","1","7","3","1") = "6"
    & skf21("3","1","6","1","1","7","4","1") = "6"
    & skf21("3","1","6","1","1","7","5","1") = "6"
    & skf21("3","1","6","1","1","7","6","1") = "6"
    & skf21("3","1","6","1","1","7","7","1") = "6"
    & skf21("3","1","6","1","2","1","1","1") = "5"
    & skf21("3","1","6","1","2","1","2","1") = "5"
    & skf21("3","1","6","1","2","1","3","1") = "5"
    & skf21("3","1","6","1","2","1","4","1") = "5"
    & skf21("3","1","6","1","2","1","5","1") = "5"
    & skf21("3","1","6","1","2","1","6","1") = "5"
    & skf21("3","1","6","1","2","1","7","1") = "6"
    & skf21("3","1","6","1","2","2","1","1") = "5"
    & skf21("3","1","6","1","2","2","2","1") = "5"
    & skf21("3","1","6","1","2","2","3","1") = "5"
    & skf21("3","1","6","1","2","2","4","1") = "5"
    & skf21("3","1","6","1","2","2","5","1") = "5"
    & skf21("3","1","6","1","2","2","6","1") = "5"
    & skf21("3","1","6","1","2","2","7","1") = "6"
    & skf21("3","1","6","1","2","3","1","1") = "5"
    & skf21("3","1","6","1","2","3","2","1") = "5"
    & skf21("3","1","6","1","2","3","3","1") = "5"
    & skf21("3","1","6","1","2","3","4","1") = "5"
    & skf21("3","1","6","1","2","3","5","1") = "5"
    & skf21("3","1","6","1","2","3","6","1") = "5"
    & skf21("3","1","6","1","2","3","7","1") = "6"
    & skf21("3","1","6","1","2","4","1","1") = "5"
    & skf21("3","1","6","1","2","4","2","1") = "5"
    & skf21("3","1","6","1","2","4","3","1") = "5"
    & skf21("3","1","6","1","2","4","4","1") = "5"
    & skf21("3","1","6","1","2","4","5","1") = "5"
    & skf21("3","1","6","1","2","4","6","1") = "5"
    & skf21("3","1","6","1","2","4","7","1") = "6"
    & skf21("3","1","6","1","2","5","1","1") = "5"
    & skf21("3","1","6","1","2","5","2","1") = "5"
    & skf21("3","1","6","1","2","5","3","1") = "5"
    & skf21("3","1","6","1","2","5","4","1") = "5"
    & skf21("3","1","6","1","2","5","5","1") = "5"
    & skf21("3","1","6","1","2","5","6","1") = "5"
    & skf21("3","1","6","1","2","5","7","1") = "6"
    & skf21("3","1","6","1","2","6","1","1") = "5"
    & skf21("3","1","6","1","2","6","2","1") = "5"
    & skf21("3","1","6","1","2","6","3","1") = "5"
    & skf21("3","1","6","1","2","6","4","1") = "5"
    & skf21("3","1","6","1","2","6","5","1") = "5"
    & skf21("3","1","6","1","2","6","6","1") = "5"
    & skf21("3","1","6","1","2","6","7","1") = "6"
    & skf21("3","1","6","1","2","7","1","1") = "6"
    & skf21("3","1","6","1","2","7","2","1") = "6"
    & skf21("3","1","6","1","2","7","3","1") = "6"
    & skf21("3","1","6","1","2","7","4","1") = "6"
    & skf21("3","1","6","1","2","7","5","1") = "6"
    & skf21("3","1","6","1","2","7","6","1") = "6"
    & skf21("3","1","6","1","2","7","7","1") = "6"
    & skf21("3","1","6","1","3","1","1","1") = "5"
    & skf21("3","1","6","1","3","1","2","1") = "5"
    & skf21("3","1","6","1","3","1","3","1") = "5"
    & skf21("3","1","6","1","3","1","4","1") = "5"
    & skf21("3","1","6","1","3","1","5","1") = "5"
    & skf21("3","1","6","1","3","1","6","1") = "5"
    & skf21("3","1","6","1","3","1","7","1") = "6"
    & skf21("3","1","6","1","3","2","1","1") = "5"
    & skf21("3","1","6","1","3","2","2","1") = "5"
    & skf21("3","1","6","1","3","2","3","1") = "5"
    & skf21("3","1","6","1","3","2","4","1") = "5"
    & skf21("3","1","6","1","3","2","5","1") = "5"
    & skf21("3","1","6","1","3","2","6","1") = "5"
    & skf21("3","1","6","1","3","2","7","1") = "6"
    & skf21("3","1","6","1","3","3","1","1") = "5"
    & skf21("3","1","6","1","3","3","2","1") = "5"
    & skf21("3","1","6","1","3","3","3","1") = "5"
    & skf21("3","1","6","1","3","3","4","1") = "5"
    & skf21("3","1","6","1","3","3","5","1") = "5"
    & skf21("3","1","6","1","3","3","6","1") = "5"
    & skf21("3","1","6","1","3","3","7","1") = "6"
    & skf21("3","1","6","1","3","4","1","1") = "5"
    & skf21("3","1","6","1","3","4","2","1") = "5"
    & skf21("3","1","6","1","3","4","3","1") = "5"
    & skf21("3","1","6","1","3","4","4","1") = "5"
    & skf21("3","1","6","1","3","4","5","1") = "5"
    & skf21("3","1","6","1","3","4","6","1") = "5"
    & skf21("3","1","6","1","3","4","7","1") = "6"
    & skf21("3","1","6","1","3","5","1","1") = "5"
    & skf21("3","1","6","1","3","5","2","1") = "5"
    & skf21("3","1","6","1","3","5","3","1") = "5"
    & skf21("3","1","6","1","3","5","4","1") = "5"
    & skf21("3","1","6","1","3","5","5","1") = "5"
    & skf21("3","1","6","1","3","5","6","1") = "5"
    & skf21("3","1","6","1","3","5","7","1") = "6"
    & skf21("3","1","6","1","3","6","1","1") = "5"
    & skf21("3","1","6","1","3","6","2","1") = "5"
    & skf21("3","1","6","1","3","6","3","1") = "5"
    & skf21("3","1","6","1","3","6","4","1") = "5"
    & skf21("3","1","6","1","3","6","5","1") = "5"
    & skf21("3","1","6","1","3","6","6","1") = "5"
    & skf21("3","1","6","1","3","6","7","1") = "6"
    & skf21("3","1","6","1","3","7","1","1") = "6"
    & skf21("3","1","6","1","3","7","2","1") = "6"
    & skf21("3","1","6","1","3","7","3","1") = "6"
    & skf21("3","1","6","1","3","7","4","1") = "6"
    & skf21("3","1","6","1","3","7","5","1") = "6"
    & skf21("3","1","6","1","3","7","6","1") = "6"
    & skf21("3","1","6","1","3","7","7","1") = "6"
    & skf21("3","1","6","1","4","1","1","1") = "5"
    & skf21("3","1","6","1","4","1","2","1") = "5"
    & skf21("3","1","6","1","4","1","3","1") = "5"
    & skf21("3","1","6","1","4","1","4","1") = "5"
    & skf21("3","1","6","1","4","1","5","1") = "5"
    & skf21("3","1","6","1","4","1","6","1") = "5"
    & skf21("3","1","6","1","4","1","7","1") = "6"
    & skf21("3","1","6","1","4","2","1","1") = "5"
    & skf21("3","1","6","1","4","2","2","1") = "5"
    & skf21("3","1","6","1","4","2","3","1") = "5"
    & skf21("3","1","6","1","4","2","4","1") = "5"
    & skf21("3","1","6","1","4","2","5","1") = "5"
    & skf21("3","1","6","1","4","2","6","1") = "5"
    & skf21("3","1","6","1","4","2","7","1") = "6"
    & skf21("3","1","6","1","4","3","1","1") = "5"
    & skf21("3","1","6","1","4","3","2","1") = "5"
    & skf21("3","1","6","1","4","3","3","1") = "5"
    & skf21("3","1","6","1","4","3","4","1") = "5"
    & skf21("3","1","6","1","4","3","5","1") = "5"
    & skf21("3","1","6","1","4","3","6","1") = "5"
    & skf21("3","1","6","1","4","3","7","1") = "6"
    & skf21("3","1","6","1","4","4","1","1") = "5"
    & skf21("3","1","6","1","4","4","2","1") = "5"
    & skf21("3","1","6","1","4","4","3","1") = "5"
    & skf21("3","1","6","1","4","4","4","1") = "5"
    & skf21("3","1","6","1","4","4","5","1") = "5"
    & skf21("3","1","6","1","4","4","6","1") = "5"
    & skf21("3","1","6","1","4","4","7","1") = "6"
    & skf21("3","1","6","1","4","5","1","1") = "5"
    & skf21("3","1","6","1","4","5","2","1") = "5"
    & skf21("3","1","6","1","4","5","3","1") = "5"
    & skf21("3","1","6","1","4","5","4","1") = "5"
    & skf21("3","1","6","1","4","5","5","1") = "5"
    & skf21("3","1","6","1","4","5","6","1") = "5"
    & skf21("3","1","6","1","4","5","7","1") = "6"
    & skf21("3","1","6","1","4","6","1","1") = "5"
    & skf21("3","1","6","1","4","6","2","1") = "5"
    & skf21("3","1","6","1","4","6","3","1") = "5"
    & skf21("3","1","6","1","4","6","4","1") = "5"
    & skf21("3","1","6","1","4","6","5","1") = "5"
    & skf21("3","1","6","1","4","6","6","1") = "5"
    & skf21("3","1","6","1","4","6","7","1") = "6"
    & skf21("3","1","6","1","4","7","1","1") = "6"
    & skf21("3","1","6","1","4","7","2","1") = "6"
    & skf21("3","1","6","1","4","7","3","1") = "6"
    & skf21("3","1","6","1","4","7","4","1") = "6"
    & skf21("3","1","6","1","4","7","5","1") = "6"
    & skf21("3","1","6","1","4","7","6","1") = "6"
    & skf21("3","1","6","1","4","7","7","1") = "6"
    & skf21("3","1","6","1","5","1","1","1") = "5"
    & skf21("3","1","6","1","5","1","2","1") = "5"
    & skf21("3","1","6","1","5","1","3","1") = "5"
    & skf21("3","1","6","1","5","1","4","1") = "5"
    & skf21("3","1","6","1","5","1","5","1") = "5"
    & skf21("3","1","6","1","5","1","6","1") = "5"
    & skf21("3","1","6","1","5","1","7","1") = "6"
    & skf21("3","1","6","1","5","2","1","1") = "5"
    & skf21("3","1","6","1","5","2","2","1") = "5"
    & skf21("3","1","6","1","5","2","3","1") = "5"
    & skf21("3","1","6","1","5","2","4","1") = "5"
    & skf21("3","1","6","1","5","2","5","1") = "5"
    & skf21("3","1","6","1","5","2","6","1") = "5"
    & skf21("3","1","6","1","5","2","7","1") = "6"
    & skf21("3","1","6","1","5","3","1","1") = "5"
    & skf21("3","1","6","1","5","3","2","1") = "5"
    & skf21("3","1","6","1","5","3","3","1") = "5"
    & skf21("3","1","6","1","5","3","4","1") = "5"
    & skf21("3","1","6","1","5","3","5","1") = "5"
    & skf21("3","1","6","1","5","3","6","1") = "5"
    & skf21("3","1","6","1","5","3","7","1") = "6"
    & skf21("3","1","6","1","5","4","1","1") = "5"
    & skf21("3","1","6","1","5","4","2","1") = "5"
    & skf21("3","1","6","1","5","4","3","1") = "5"
    & skf21("3","1","6","1","5","4","4","1") = "5"
    & skf21("3","1","6","1","5","4","5","1") = "5"
    & skf21("3","1","6","1","5","4","6","1") = "5"
    & skf21("3","1","6","1","5","4","7","1") = "6"
    & skf21("3","1","6","1","5","5","1","1") = "5"
    & skf21("3","1","6","1","5","5","2","1") = "5"
    & skf21("3","1","6","1","5","5","3","1") = "5"
    & skf21("3","1","6","1","5","5","4","1") = "5"
    & skf21("3","1","6","1","5","5","5","1") = "5"
    & skf21("3","1","6","1","5","5","6","1") = "5"
    & skf21("3","1","6","1","5","5","7","1") = "6"
    & skf21("3","1","6","1","5","6","1","1") = "5"
    & skf21("3","1","6","1","5","6","2","1") = "5"
    & skf21("3","1","6","1","5","6","3","1") = "5"
    & skf21("3","1","6","1","5","6","4","1") = "5"
    & skf21("3","1","6","1","5","6","5","1") = "5"
    & skf21("3","1","6","1","5","6","6","1") = "5"
    & skf21("3","1","6","1","5","6","7","1") = "6"
    & skf21("3","1","6","1","5","7","1","1") = "6"
    & skf21("3","1","6","1","5","7","2","1") = "6"
    & skf21("3","1","6","1","5","7","3","1") = "6"
    & skf21("3","1","6","1","5","7","4","1") = "6"
    & skf21("3","1","6","1","5","7","5","1") = "6"
    & skf21("3","1","6","1","5","7","6","1") = "6"
    & skf21("3","1","6","1","5","7","7","1") = "6"
    & skf21("3","1","6","1","6","1","1","1") = "5"
    & skf21("3","1","6","1","6","1","2","1") = "5"
    & skf21("3","1","6","1","6","1","3","1") = "5"
    & skf21("3","1","6","1","6","1","4","1") = "5"
    & skf21("3","1","6","1","6","1","5","1") = "5"
    & skf21("3","1","6","1","6","1","6","1") = "5"
    & skf21("3","1","6","1","6","1","7","1") = "6"
    & skf21("3","1","6","1","6","2","1","1") = "5"
    & skf21("3","1","6","1","6","2","2","1") = "5"
    & skf21("3","1","6","1","6","2","3","1") = "5"
    & skf21("3","1","6","1","6","2","4","1") = "5"
    & skf21("3","1","6","1","6","2","5","1") = "5"
    & skf21("3","1","6","1","6","2","6","1") = "5"
    & skf21("3","1","6","1","6","2","7","1") = "6"
    & skf21("3","1","6","1","6","3","1","1") = "5"
    & skf21("3","1","6","1","6","3","2","1") = "5"
    & skf21("3","1","6","1","6","3","3","1") = "5"
    & skf21("3","1","6","1","6","3","4","1") = "5"
    & skf21("3","1","6","1","6","3","5","1") = "5"
    & skf21("3","1","6","1","6","3","6","1") = "5"
    & skf21("3","1","6","1","6","3","7","1") = "6"
    & skf21("3","1","6","1","6","4","1","1") = "5"
    & skf21("3","1","6","1","6","4","2","1") = "5"
    & skf21("3","1","6","1","6","4","3","1") = "5"
    & skf21("3","1","6","1","6","4","4","1") = "5"
    & skf21("3","1","6","1","6","4","5","1") = "5"
    & skf21("3","1","6","1","6","4","6","1") = "5"
    & skf21("3","1","6","1","6","4","7","1") = "6"
    & skf21("3","1","6","1","6","5","1","1") = "5"
    & skf21("3","1","6","1","6","5","2","1") = "5"
    & skf21("3","1","6","1","6","5","3","1") = "5"
    & skf21("3","1","6","1","6","5","4","1") = "5"
    & skf21("3","1","6","1","6","5","5","1") = "5"
    & skf21("3","1","6","1","6","5","6","1") = "5"
    & skf21("3","1","6","1","6","5","7","1") = "6"
    & skf21("3","1","6","1","6","6","1","1") = "5"
    & skf21("3","1","6","1","6","6","2","1") = "5"
    & skf21("3","1","6","1","6","6","3","1") = "5"
    & skf21("3","1","6","1","6","6","4","1") = "5"
    & skf21("3","1","6","1","6","6","5","1") = "5"
    & skf21("3","1","6","1","6","6","6","1") = "5"
    & skf21("3","1","6","1","6","6","7","1") = "6"
    & skf21("3","1","6","1","6","7","1","1") = "6"
    & skf21("3","1","6","1","6","7","2","1") = "6"
    & skf21("3","1","6","1","6","7","3","1") = "6"
    & skf21("3","1","6","1","6","7","4","1") = "6"
    & skf21("3","1","6","1","6","7","5","1") = "6"
    & skf21("3","1","6","1","6","7","6","1") = "6"
    & skf21("3","1","6","1","6","7","7","1") = "6"
    & skf21("3","1","6","1","7","1","1","1") = "6"
    & skf21("3","1","6","1","7","1","2","1") = "6"
    & skf21("3","1","6","1","7","1","3","1") = "6"
    & skf21("3","1","6","1","7","1","4","1") = "6"
    & skf21("3","1","6","1","7","1","5","1") = "6"
    & skf21("3","1","6","1","7","1","6","1") = "6"
    & skf21("3","1","6","1","7","1","7","1") = "6"
    & skf21("3","1","6","1","7","2","1","1") = "6"
    & skf21("3","1","6","1","7","2","2","1") = "6"
    & skf21("3","1","6","1","7","2","3","1") = "6"
    & skf21("3","1","6","1","7","2","4","1") = "6"
    & skf21("3","1","6","1","7","2","5","1") = "6"
    & skf21("3","1","6","1","7","2","6","1") = "6"
    & skf21("3","1","6","1","7","2","7","1") = "6"
    & skf21("3","1","6","1","7","3","1","1") = "6"
    & skf21("3","1","6","1","7","3","2","1") = "6"
    & skf21("3","1","6","1","7","3","3","1") = "6"
    & skf21("3","1","6","1","7","3","4","1") = "6"
    & skf21("3","1","6","1","7","3","5","1") = "6"
    & skf21("3","1","6","1","7","3","6","1") = "6"
    & skf21("3","1","6","1","7","3","7","1") = "6"
    & skf21("3","1","6","1","7","4","1","1") = "6"
    & skf21("3","1","6","1","7","4","2","1") = "6"
    & skf21("3","1","6","1","7","4","3","1") = "6"
    & skf21("3","1","6","1","7","4","4","1") = "6"
    & skf21("3","1","6","1","7","4","5","1") = "6"
    & skf21("3","1","6","1","7","4","6","1") = "6"
    & skf21("3","1","6","1","7","4","7","1") = "6"
    & skf21("3","1","6","1","7","5","1","1") = "6"
    & skf21("3","1","6","1","7","5","2","1") = "6"
    & skf21("3","1","6","1","7","5","3","1") = "6"
    & skf21("3","1","6","1","7","5","4","1") = "6"
    & skf21("3","1","6","1","7","5","5","1") = "6"
    & skf21("3","1","6","1","7","5","6","1") = "6"
    & skf21("3","1","6","1","7","5","7","1") = "6"
    & skf21("3","1","6","1","7","6","1","1") = "6"
    & skf21("3","1","6","1","7","6","2","1") = "6"
    & skf21("3","1","6","1","7","6","3","1") = "6"
    & skf21("3","1","6","1","7","6","4","1") = "6"
    & skf21("3","1","6","1","7","6","5","1") = "6"
    & skf21("3","1","6","1","7","6","6","1") = "6"
    & skf21("3","1","6","1","7","6","7","1") = "6"
    & skf21("3","1","6","1","7","7","1","1") = "6"
    & skf21("3","1","6","1","7","7","2","1") = "6"
    & skf21("3","1","6","1","7","7","3","1") = "6"
    & skf21("3","1","6","1","7","7","4","1") = "6"
    & skf21("3","1","6","1","7","7","5","1") = "6"
    & skf21("3","1","6","1","7","7","6","1") = "6"
    & skf21("3","1","6","1","7","7","7","1") = "6"
    & skf21("3","1","6","2","1","1","1","1") = "5"
    & skf21("3","1","6","2","1","1","2","1") = "5"
    & skf21("3","1","6","2","1","1","3","1") = "5"
    & skf21("3","1","6","2","1","1","4","1") = "5"
    & skf21("3","1","6","2","1","1","5","1") = "5"
    & skf21("3","1","6","2","1","1","6","1") = "5"
    & skf21("3","1","6","2","1","1","7","1") = "6"
    & skf21("3","1","6","2","1","2","1","1") = "5"
    & skf21("3","1","6","2","1","2","2","1") = "5"
    & skf21("3","1","6","2","1","2","3","1") = "5"
    & skf21("3","1","6","2","1","2","4","1") = "5"
    & skf21("3","1","6","2","1","2","5","1") = "5"
    & skf21("3","1","6","2","1","2","6","1") = "5"
    & skf21("3","1","6","2","1","2","7","1") = "6"
    & skf21("3","1","6","2","1","3","1","1") = "5"
    & skf21("3","1","6","2","1","3","2","1") = "5"
    & skf21("3","1","6","2","1","3","3","1") = "5"
    & skf21("3","1","6","2","1","3","4","1") = "5"
    & skf21("3","1","6","2","1","3","5","1") = "5"
    & skf21("3","1","6","2","1","3","6","1") = "5"
    & skf21("3","1","6","2","1","3","7","1") = "6"
    & skf21("3","1","6","2","1","4","1","1") = "5"
    & skf21("3","1","6","2","1","4","2","1") = "5"
    & skf21("3","1","6","2","1","4","3","1") = "5"
    & skf21("3","1","6","2","1","4","4","1") = "5"
    & skf21("3","1","6","2","1","4","5","1") = "5"
    & skf21("3","1","6","2","1","4","6","1") = "5"
    & skf21("3","1","6","2","1","4","7","1") = "6"
    & skf21("3","1","6","2","1","5","1","1") = "5"
    & skf21("3","1","6","2","1","5","2","1") = "5"
    & skf21("3","1","6","2","1","5","3","1") = "5"
    & skf21("3","1","6","2","1","5","4","1") = "5"
    & skf21("3","1","6","2","1","5","5","1") = "5"
    & skf21("3","1","6","2","1","5","6","1") = "5"
    & skf21("3","1","6","2","1","5","7","1") = "6"
    & skf21("3","1","6","2","1","6","1","1") = "5"
    & skf21("3","1","6","2","1","6","2","1") = "5"
    & skf21("3","1","6","2","1","6","3","1") = "5"
    & skf21("3","1","6","2","1","6","4","1") = "5"
    & skf21("3","1","6","2","1","6","5","1") = "5"
    & skf21("3","1","6","2","1","6","6","1") = "5"
    & skf21("3","1","6","2","1","6","7","1") = "6"
    & skf21("3","1","6","2","1","7","1","1") = "6"
    & skf21("3","1","6","2","1","7","2","1") = "6"
    & skf21("3","1","6","2","1","7","3","1") = "6"
    & skf21("3","1","6","2","1","7","4","1") = "6"
    & skf21("3","1","6","2","1","7","5","1") = "6"
    & skf21("3","1","6","2","1","7","6","1") = "6"
    & skf21("3","1","6","2","1","7","7","1") = "6"
    & skf21("3","1","6","2","2","1","1","1") = "5"
    & skf21("3","1","6","2","2","1","2","1") = "5"
    & skf21("3","1","6","2","2","1","3","1") = "5"
    & skf21("3","1","6","2","2","1","4","1") = "5"
    & skf21("3","1","6","2","2","1","5","1") = "5"
    & skf21("3","1","6","2","2","1","6","1") = "5"
    & skf21("3","1","6","2","2","1","7","1") = "6"
    & skf21("3","1","6","2","2","2","1","1") = "5"
    & skf21("3","1","6","2","2","2","2","1") = "5"
    & skf21("3","1","6","2","2","2","3","1") = "5"
    & skf21("3","1","6","2","2","2","4","1") = "5"
    & skf21("3","1","6","2","2","2","5","1") = "5"
    & skf21("3","1","6","2","2","2","6","1") = "5"
    & skf21("3","1","6","2","2","2","7","1") = "6"
    & skf21("3","1","6","2","2","3","1","1") = "5"
    & skf21("3","1","6","2","2","3","2","1") = "5"
    & skf21("3","1","6","2","2","3","3","1") = "5"
    & skf21("3","1","6","2","2","3","4","1") = "5"
    & skf21("3","1","6","2","2","3","5","1") = "5"
    & skf21("3","1","6","2","2","3","6","1") = "5"
    & skf21("3","1","6","2","2","3","7","1") = "6"
    & skf21("3","1","6","2","2","4","1","1") = "5"
    & skf21("3","1","6","2","2","4","2","1") = "5"
    & skf21("3","1","6","2","2","4","3","1") = "5"
    & skf21("3","1","6","2","2","4","4","1") = "5"
    & skf21("3","1","6","2","2","4","5","1") = "5"
    & skf21("3","1","6","2","2","4","6","1") = "5"
    & skf21("3","1","6","2","2","4","7","1") = "6"
    & skf21("3","1","6","2","2","5","1","1") = "5"
    & skf21("3","1","6","2","2","5","2","1") = "5"
    & skf21("3","1","6","2","2","5","3","1") = "5"
    & skf21("3","1","6","2","2","5","4","1") = "5"
    & skf21("3","1","6","2","2","5","5","1") = "5"
    & skf21("3","1","6","2","2","5","6","1") = "5"
    & skf21("3","1","6","2","2","5","7","1") = "6"
    & skf21("3","1","6","2","2","6","1","1") = "5"
    & skf21("3","1","6","2","2","6","2","1") = "5"
    & skf21("3","1","6","2","2","6","3","1") = "5"
    & skf21("3","1","6","2","2","6","4","1") = "5"
    & skf21("3","1","6","2","2","6","5","1") = "5"
    & skf21("3","1","6","2","2","6","6","1") = "5"
    & skf21("3","1","6","2","2","6","7","1") = "6"
    & skf21("3","1","6","2","2","7","1","1") = "6"
    & skf21("3","1","6","2","2","7","2","1") = "6"
    & skf21("3","1","6","2","2","7","3","1") = "6"
    & skf21("3","1","6","2","2","7","4","1") = "6"
    & skf21("3","1","6","2","2","7","5","1") = "6"
    & skf21("3","1","6","2","2","7","6","1") = "6"
    & skf21("3","1","6","2","2","7","7","1") = "6"
    & skf21("3","1","6","2","3","1","1","1") = "5"
    & skf21("3","1","6","2","3","1","2","1") = "5"
    & skf21("3","1","6","2","3","1","3","1") = "5"
    & skf21("3","1","6","2","3","1","4","1") = "5"
    & skf21("3","1","6","2","3","1","5","1") = "5"
    & skf21("3","1","6","2","3","1","6","1") = "5"
    & skf21("3","1","6","2","3","1","7","1") = "6"
    & skf21("3","1","6","2","3","2","1","1") = "5"
    & skf21("3","1","6","2","3","2","2","1") = "5"
    & skf21("3","1","6","2","3","2","3","1") = "5"
    & skf21("3","1","6","2","3","2","4","1") = "5"
    & skf21("3","1","6","2","3","2","5","1") = "5"
    & skf21("3","1","6","2","3","2","6","1") = "5"
    & skf21("3","1","6","2","3","2","7","1") = "6"
    & skf21("3","1","6","2","3","3","1","1") = "5"
    & skf21("3","1","6","2","3","3","2","1") = "5"
    & skf21("3","1","6","2","3","3","3","1") = "5"
    & skf21("3","1","6","2","3","3","4","1") = "5"
    & skf21("3","1","6","2","3","3","5","1") = "5"
    & skf21("3","1","6","2","3","3","6","1") = "5"
    & skf21("3","1","6","2","3","3","7","1") = "6"
    & skf21("3","1","6","2","3","4","1","1") = "5"
    & skf21("3","1","6","2","3","4","2","1") = "5"
    & skf21("3","1","6","2","3","4","3","1") = "5"
    & skf21("3","1","6","2","3","4","4","1") = "5"
    & skf21("3","1","6","2","3","4","5","1") = "5"
    & skf21("3","1","6","2","3","4","6","1") = "5"
    & skf21("3","1","6","2","3","4","7","1") = "6"
    & skf21("3","1","6","2","3","5","1","1") = "5"
    & skf21("3","1","6","2","3","5","2","1") = "5"
    & skf21("3","1","6","2","3","5","3","1") = "5"
    & skf21("3","1","6","2","3","5","4","1") = "5"
    & skf21("3","1","6","2","3","5","5","1") = "5"
    & skf21("3","1","6","2","3","5","6","1") = "5"
    & skf21("3","1","6","2","3","5","7","1") = "6"
    & skf21("3","1","6","2","3","6","1","1") = "5"
    & skf21("3","1","6","2","3","6","2","1") = "5"
    & skf21("3","1","6","2","3","6","3","1") = "5"
    & skf21("3","1","6","2","3","6","4","1") = "5"
    & skf21("3","1","6","2","3","6","5","1") = "5"
    & skf21("3","1","6","2","3","6","6","1") = "5"
    & skf21("3","1","6","2","3","6","7","1") = "6"
    & skf21("3","1","6","2","3","7","1","1") = "6"
    & skf21("3","1","6","2","3","7","2","1") = "6"
    & skf21("3","1","6","2","3","7","3","1") = "6"
    & skf21("3","1","6","2","3","7","4","1") = "6"
    & skf21("3","1","6","2","3","7","5","1") = "6"
    & skf21("3","1","6","2","3","7","6","1") = "6"
    & skf21("3","1","6","2","3","7","7","1") = "6"
    & skf21("3","1","6","2","4","1","1","1") = "5"
    & skf21("3","1","6","2","4","1","2","1") = "5"
    & skf21("3","1","6","2","4","1","3","1") = "5"
    & skf21("3","1","6","2","4","1","4","1") = "5"
    & skf21("3","1","6","2","4","1","5","1") = "5"
    & skf21("3","1","6","2","4","1","6","1") = "5"
    & skf21("3","1","6","2","4","1","7","1") = "6"
    & skf21("3","1","6","2","4","2","1","1") = "5"
    & skf21("3","1","6","2","4","2","2","1") = "5"
    & skf21("3","1","6","2","4","2","3","1") = "5"
    & skf21("3","1","6","2","4","2","4","1") = "5"
    & skf21("3","1","6","2","4","2","5","1") = "5"
    & skf21("3","1","6","2","4","2","6","1") = "5"
    & skf21("3","1","6","2","4","2","7","1") = "6"
    & skf21("3","1","6","2","4","3","1","1") = "5"
    & skf21("3","1","6","2","4","3","2","1") = "5"
    & skf21("3","1","6","2","4","3","3","1") = "5"
    & skf21("3","1","6","2","4","3","4","1") = "5"
    & skf21("3","1","6","2","4","3","5","1") = "5"
    & skf21("3","1","6","2","4","3","6","1") = "5"
    & skf21("3","1","6","2","4","3","7","1") = "6"
    & skf21("3","1","6","2","4","4","1","1") = "5"
    & skf21("3","1","6","2","4","4","2","1") = "5"
    & skf21("3","1","6","2","4","4","3","1") = "5"
    & skf21("3","1","6","2","4","4","4","1") = "5"
    & skf21("3","1","6","2","4","4","5","1") = "5"
    & skf21("3","1","6","2","4","4","6","1") = "5"
    & skf21("3","1","6","2","4","4","7","1") = "6"
    & skf21("3","1","6","2","4","5","1","1") = "5"
    & skf21("3","1","6","2","4","5","2","1") = "5"
    & skf21("3","1","6","2","4","5","3","1") = "5"
    & skf21("3","1","6","2","4","5","4","1") = "5"
    & skf21("3","1","6","2","4","5","5","1") = "5"
    & skf21("3","1","6","2","4","5","6","1") = "5"
    & skf21("3","1","6","2","4","5","7","1") = "6"
    & skf21("3","1","6","2","4","6","1","1") = "5"
    & skf21("3","1","6","2","4","6","2","1") = "5"
    & skf21("3","1","6","2","4","6","3","1") = "5"
    & skf21("3","1","6","2","4","6","4","1") = "5"
    & skf21("3","1","6","2","4","6","5","1") = "5"
    & skf21("3","1","6","2","4","6","6","1") = "5"
    & skf21("3","1","6","2","4","6","7","1") = "6"
    & skf21("3","1","6","2","4","7","1","1") = "6"
    & skf21("3","1","6","2","4","7","2","1") = "6"
    & skf21("3","1","6","2","4","7","3","1") = "6"
    & skf21("3","1","6","2","4","7","4","1") = "6"
    & skf21("3","1","6","2","4","7","5","1") = "6"
    & skf21("3","1","6","2","4","7","6","1") = "6"
    & skf21("3","1","6","2","4","7","7","1") = "6"
    & skf21("3","1","6","2","5","1","1","1") = "5"
    & skf21("3","1","6","2","5","1","2","1") = "5"
    & skf21("3","1","6","2","5","1","3","1") = "5"
    & skf21("3","1","6","2","5","1","4","1") = "5"
    & skf21("3","1","6","2","5","1","5","1") = "5"
    & skf21("3","1","6","2","5","1","6","1") = "5"
    & skf21("3","1","6","2","5","1","7","1") = "6"
    & skf21("3","1","6","2","5","2","1","1") = "5"
    & skf21("3","1","6","2","5","2","2","1") = "5"
    & skf21("3","1","6","2","5","2","3","1") = "5"
    & skf21("3","1","6","2","5","2","4","1") = "5"
    & skf21("3","1","6","2","5","2","5","1") = "5"
    & skf21("3","1","6","2","5","2","6","1") = "5"
    & skf21("3","1","6","2","5","2","7","1") = "6"
    & skf21("3","1","6","2","5","3","1","1") = "5"
    & skf21("3","1","6","2","5","3","2","1") = "5"
    & skf21("3","1","6","2","5","3","3","1") = "5"
    & skf21("3","1","6","2","5","3","4","1") = "5"
    & skf21("3","1","6","2","5","3","5","1") = "5"
    & skf21("3","1","6","2","5","3","6","1") = "5"
    & skf21("3","1","6","2","5","3","7","1") = "6"
    & skf21("3","1","6","2","5","4","1","1") = "5"
    & skf21("3","1","6","2","5","4","2","1") = "5"
    & skf21("3","1","6","2","5","4","3","1") = "5"
    & skf21("3","1","6","2","5","4","4","1") = "5"
    & skf21("3","1","6","2","5","4","5","1") = "5"
    & skf21("3","1","6","2","5","4","6","1") = "5"
    & skf21("3","1","6","2","5","4","7","1") = "6"
    & skf21("3","1","6","2","5","5","1","1") = "5"
    & skf21("3","1","6","2","5","5","2","1") = "5"
    & skf21("3","1","6","2","5","5","3","1") = "5"
    & skf21("3","1","6","2","5","5","4","1") = "5"
    & skf21("3","1","6","2","5","5","5","1") = "5"
    & skf21("3","1","6","2","5","5","6","1") = "5"
    & skf21("3","1","6","2","5","5","7","1") = "6"
    & skf21("3","1","6","2","5","6","1","1") = "5"
    & skf21("3","1","6","2","5","6","2","1") = "5"
    & skf21("3","1","6","2","5","6","3","1") = "5"
    & skf21("3","1","6","2","5","6","4","1") = "5"
    & skf21("3","1","6","2","5","6","5","1") = "5"
    & skf21("3","1","6","2","5","6","6","1") = "5"
    & skf21("3","1","6","2","5","6","7","1") = "6"
    & skf21("3","1","6","2","5","7","1","1") = "6"
    & skf21("3","1","6","2","5","7","2","1") = "6"
    & skf21("3","1","6","2","5","7","3","1") = "6"
    & skf21("3","1","6","2","5","7","4","1") = "6"
    & skf21("3","1","6","2","5","7","5","1") = "6"
    & skf21("3","1","6","2","5","7","6","1") = "6"
    & skf21("3","1","6","2","5","7","7","1") = "6"
    & skf21("3","1","6","2","6","1","1","1") = "5"
    & skf21("3","1","6","2","6","1","2","1") = "5"
    & skf21("3","1","6","2","6","1","3","1") = "5"
    & skf21("3","1","6","2","6","1","4","1") = "5"
    & skf21("3","1","6","2","6","1","5","1") = "5"
    & skf21("3","1","6","2","6","1","6","1") = "5"
    & skf21("3","1","6","2","6","1","7","1") = "6"
    & skf21("3","1","6","2","6","2","1","1") = "5"
    & skf21("3","1","6","2","6","2","2","1") = "5"
    & skf21("3","1","6","2","6","2","3","1") = "5"
    & skf21("3","1","6","2","6","2","4","1") = "5"
    & skf21("3","1","6","2","6","2","5","1") = "5"
    & skf21("3","1","6","2","6","2","6","1") = "5"
    & skf21("3","1","6","2","6","2","7","1") = "6"
    & skf21("3","1","6","2","6","3","1","1") = "5"
    & skf21("3","1","6","2","6","3","2","1") = "5"
    & skf21("3","1","6","2","6","3","3","1") = "5"
    & skf21("3","1","6","2","6","3","4","1") = "5"
    & skf21("3","1","6","2","6","3","5","1") = "5"
    & skf21("3","1","6","2","6","3","6","1") = "5"
    & skf21("3","1","6","2","6","3","7","1") = "6"
    & skf21("3","1","6","2","6","4","1","1") = "5"
    & skf21("3","1","6","2","6","4","2","1") = "5"
    & skf21("3","1","6","2","6","4","3","1") = "5"
    & skf21("3","1","6","2","6","4","4","1") = "5"
    & skf21("3","1","6","2","6","4","5","1") = "5"
    & skf21("3","1","6","2","6","4","6","1") = "5"
    & skf21("3","1","6","2","6","4","7","1") = "6"
    & skf21("3","1","6","2","6","5","1","1") = "5"
    & skf21("3","1","6","2","6","5","2","1") = "5"
    & skf21("3","1","6","2","6","5","3","1") = "5"
    & skf21("3","1","6","2","6","5","4","1") = "5"
    & skf21("3","1","6","2","6","5","5","1") = "5"
    & skf21("3","1","6","2","6","5","6","1") = "5"
    & skf21("3","1","6","2","6","5","7","1") = "6"
    & skf21("3","1","6","2","6","6","1","1") = "5"
    & skf21("3","1","6","2","6","6","2","1") = "5"
    & skf21("3","1","6","2","6","6","3","1") = "5"
    & skf21("3","1","6","2","6","6","4","1") = "5"
    & skf21("3","1","6","2","6","6","5","1") = "5"
    & skf21("3","1","6","2","6","6","6","1") = "5"
    & skf21("3","1","6","2","6","6","7","1") = "6"
    & skf21("3","1","6","2","6","7","1","1") = "6"
    & skf21("3","1","6","2","6","7","2","1") = "6"
    & skf21("3","1","6","2","6","7","3","1") = "6"
    & skf21("3","1","6","2","6","7","4","1") = "6"
    & skf21("3","1","6","2","6","7","5","1") = "6"
    & skf21("3","1","6","2","6","7","6","1") = "6"
    & skf21("3","1","6","2","6","7","7","1") = "6"
    & skf21("3","1","6","2","7","1","1","1") = "6"
    & skf21("3","1","6","2","7","1","2","1") = "6"
    & skf21("3","1","6","2","7","1","3","1") = "6"
    & skf21("3","1","6","2","7","1","4","1") = "6"
    & skf21("3","1","6","2","7","1","5","1") = "6"
    & skf21("3","1","6","2","7","1","6","1") = "6"
    & skf21("3","1","6","2","7","1","7","1") = "6"
    & skf21("3","1","6","2","7","2","1","1") = "6"
    & skf21("3","1","6","2","7","2","2","1") = "6"
    & skf21("3","1","6","2","7","2","3","1") = "6"
    & skf21("3","1","6","2","7","2","4","1") = "6"
    & skf21("3","1","6","2","7","2","5","1") = "6"
    & skf21("3","1","6","2","7","2","6","1") = "6"
    & skf21("3","1","6","2","7","2","7","1") = "6"
    & skf21("3","1","6","2","7","3","1","1") = "6"
    & skf21("3","1","6","2","7","3","2","1") = "6"
    & skf21("3","1","6","2","7","3","3","1") = "6"
    & skf21("3","1","6","2","7","3","4","1") = "6"
    & skf21("3","1","6","2","7","3","5","1") = "6"
    & skf21("3","1","6","2","7","3","6","1") = "6"
    & skf21("3","1","6","2","7","3","7","1") = "6"
    & skf21("3","1","6","2","7","4","1","1") = "6"
    & skf21("3","1","6","2","7","4","2","1") = "6"
    & skf21("3","1","6","2","7","4","3","1") = "6"
    & skf21("3","1","6","2","7","4","4","1") = "6"
    & skf21("3","1","6","2","7","4","5","1") = "6"
    & skf21("3","1","6","2","7","4","6","1") = "6"
    & skf21("3","1","6","2","7","4","7","1") = "6"
    & skf21("3","1","6","2","7","5","1","1") = "6"
    & skf21("3","1","6","2","7","5","2","1") = "6"
    & skf21("3","1","6","2","7","5","3","1") = "6"
    & skf21("3","1","6","2","7","5","4","1") = "6"
    & skf21("3","1","6","2","7","5","5","1") = "6"
    & skf21("3","1","6","2","7","5","6","1") = "6"
    & skf21("3","1","6","2","7","5","7","1") = "6"
    & skf21("3","1","6","2","7","6","1","1") = "6"
    & skf21("3","1","6","2","7","6","2","1") = "6"
    & skf21("3","1","6","2","7","6","3","1") = "6"
    & skf21("3","1","6","2","7","6","4","1") = "6"
    & skf21("3","1","6","2","7","6","5","1") = "6"
    & skf21("3","1","6","2","7","6","6","1") = "6"
    & skf21("3","1","6","2","7","6","7","1") = "6"
    & skf21("3","1","6","2","7","7","1","1") = "6"
    & skf21("3","1","6","2","7","7","2","1") = "6"
    & skf21("3","1","6","2","7","7","3","1") = "6"
    & skf21("3","1","6","2","7","7","4","1") = "6"
    & skf21("3","1","6","2","7","7","5","1") = "6"
    & skf21("3","1","6","2","7","7","6","1") = "6"
    & skf21("3","1","6","2","7","7","7","1") = "6"
    & skf21("3","1","6","3","1","1","1","1") = "5"
    & skf21("3","1","6","3","1","1","2","1") = "5"
    & skf21("3","1","6","3","1","1","3","1") = "5"
    & skf21("3","1","6","3","1","1","4","1") = "5"
    & skf21("3","1","6","3","1","1","5","1") = "5"
    & skf21("3","1","6","3","1","1","6","1") = "5"
    & skf21("3","1","6","3","1","1","7","1") = "6"
    & skf21("3","1","6","3","1","2","1","1") = "5"
    & skf21("3","1","6","3","1","2","2","1") = "5"
    & skf21("3","1","6","3","1","2","3","1") = "5"
    & skf21("3","1","6","3","1","2","4","1") = "5"
    & skf21("3","1","6","3","1","2","5","1") = "5"
    & skf21("3","1","6","3","1","2","6","1") = "5"
    & skf21("3","1","6","3","1","2","7","1") = "6"
    & skf21("3","1","6","3","1","3","1","1") = "5"
    & skf21("3","1","6","3","1","3","2","1") = "5"
    & skf21("3","1","6","3","1","3","3","1") = "5"
    & skf21("3","1","6","3","1","3","4","1") = "5"
    & skf21("3","1","6","3","1","3","5","1") = "5"
    & skf21("3","1","6","3","1","3","6","1") = "5"
    & skf21("3","1","6","3","1","3","7","1") = "6"
    & skf21("3","1","6","3","1","4","1","1") = "5"
    & skf21("3","1","6","3","1","4","2","1") = "5"
    & skf21("3","1","6","3","1","4","3","1") = "5"
    & skf21("3","1","6","3","1","4","4","1") = "5"
    & skf21("3","1","6","3","1","4","5","1") = "5"
    & skf21("3","1","6","3","1","4","6","1") = "5"
    & skf21("3","1","6","3","1","4","7","1") = "6"
    & skf21("3","1","6","3","1","5","1","1") = "5"
    & skf21("3","1","6","3","1","5","2","1") = "5"
    & skf21("3","1","6","3","1","5","3","1") = "5"
    & skf21("3","1","6","3","1","5","4","1") = "5"
    & skf21("3","1","6","3","1","5","5","1") = "5"
    & skf21("3","1","6","3","1","5","6","1") = "5"
    & skf21("3","1","6","3","1","5","7","1") = "6"
    & skf21("3","1","6","3","1","6","1","1") = "5"
    & skf21("3","1","6","3","1","6","2","1") = "5"
    & skf21("3","1","6","3","1","6","3","1") = "5"
    & skf21("3","1","6","3","1","6","4","1") = "5"
    & skf21("3","1","6","3","1","6","5","1") = "5"
    & skf21("3","1","6","3","1","6","6","1") = "5"
    & skf21("3","1","6","3","1","6","7","1") = "6"
    & skf21("3","1","6","3","1","7","1","1") = "6"
    & skf21("3","1","6","3","1","7","2","1") = "6"
    & skf21("3","1","6","3","1","7","3","1") = "6"
    & skf21("3","1","6","3","1","7","4","1") = "6"
    & skf21("3","1","6","3","1","7","5","1") = "6"
    & skf21("3","1","6","3","1","7","6","1") = "6"
    & skf21("3","1","6","3","1","7","7","1") = "6"
    & skf21("3","1","6","3","2","1","1","1") = "5"
    & skf21("3","1","6","3","2","1","2","1") = "5"
    & skf21("3","1","6","3","2","1","3","1") = "5"
    & skf21("3","1","6","3","2","1","4","1") = "5"
    & skf21("3","1","6","3","2","1","5","1") = "5"
    & skf21("3","1","6","3","2","1","6","1") = "5"
    & skf21("3","1","6","3","2","1","7","1") = "6"
    & skf21("3","1","6","3","2","2","1","1") = "5"
    & skf21("3","1","6","3","2","2","2","1") = "5"
    & skf21("3","1","6","3","2","2","3","1") = "5"
    & skf21("3","1","6","3","2","2","4","1") = "5"
    & skf21("3","1","6","3","2","2","5","1") = "5"
    & skf21("3","1","6","3","2","2","6","1") = "5"
    & skf21("3","1","6","3","2","2","7","1") = "6"
    & skf21("3","1","6","3","2","3","1","1") = "5"
    & skf21("3","1","6","3","2","3","2","1") = "5"
    & skf21("3","1","6","3","2","3","3","1") = "5"
    & skf21("3","1","6","3","2","3","4","1") = "5"
    & skf21("3","1","6","3","2","3","5","1") = "5"
    & skf21("3","1","6","3","2","3","6","1") = "5"
    & skf21("3","1","6","3","2","3","7","1") = "6"
    & skf21("3","1","6","3","2","4","1","1") = "5"
    & skf21("3","1","6","3","2","4","2","1") = "5"
    & skf21("3","1","6","3","2","4","3","1") = "5"
    & skf21("3","1","6","3","2","4","4","1") = "5"
    & skf21("3","1","6","3","2","4","5","1") = "5"
    & skf21("3","1","6","3","2","4","6","1") = "5"
    & skf21("3","1","6","3","2","4","7","1") = "6"
    & skf21("3","1","6","3","2","5","1","1") = "5"
    & skf21("3","1","6","3","2","5","2","1") = "5"
    & skf21("3","1","6","3","2","5","3","1") = "5"
    & skf21("3","1","6","3","2","5","4","1") = "5"
    & skf21("3","1","6","3","2","5","5","1") = "5"
    & skf21("3","1","6","3","2","5","6","1") = "5"
    & skf21("3","1","6","3","2","5","7","1") = "6"
    & skf21("3","1","6","3","2","6","1","1") = "5"
    & skf21("3","1","6","3","2","6","2","1") = "5"
    & skf21("3","1","6","3","2","6","3","1") = "5"
    & skf21("3","1","6","3","2","6","4","1") = "5"
    & skf21("3","1","6","3","2","6","5","1") = "5"
    & skf21("3","1","6","3","2","6","6","1") = "5"
    & skf21("3","1","6","3","2","6","7","1") = "6"
    & skf21("3","1","6","3","2","7","1","1") = "6"
    & skf21("3","1","6","3","2","7","2","1") = "6"
    & skf21("3","1","6","3","2","7","3","1") = "6"
    & skf21("3","1","6","3","2","7","4","1") = "6"
    & skf21("3","1","6","3","2","7","5","1") = "6"
    & skf21("3","1","6","3","2","7","6","1") = "6"
    & skf21("3","1","6","3","2","7","7","1") = "6"
    & skf21("3","1","6","3","3","1","1","1") = "5"
    & skf21("3","1","6","3","3","1","2","1") = "5"
    & skf21("3","1","6","3","3","1","3","1") = "5"
    & skf21("3","1","6","3","3","1","4","1") = "5"
    & skf21("3","1","6","3","3","1","5","1") = "5"
    & skf21("3","1","6","3","3","1","6","1") = "5"
    & skf21("3","1","6","3","3","1","7","1") = "6"
    & skf21("3","1","6","3","3","2","1","1") = "5"
    & skf21("3","1","6","3","3","2","2","1") = "5"
    & skf21("3","1","6","3","3","2","3","1") = "5"
    & skf21("3","1","6","3","3","2","4","1") = "5"
    & skf21("3","1","6","3","3","2","5","1") = "5"
    & skf21("3","1","6","3","3","2","6","1") = "5"
    & skf21("3","1","6","3","3","2","7","1") = "6"
    & skf21("3","1","6","3","3","3","1","1") = "5"
    & skf21("3","1","6","3","3","3","2","1") = "5"
    & skf21("3","1","6","3","3","3","3","1") = "5"
    & skf21("3","1","6","3","3","3","4","1") = "5"
    & skf21("3","1","6","3","3","3","5","1") = "5"
    & skf21("3","1","6","3","3","3","6","1") = "5"
    & skf21("3","1","6","3","3","3","7","1") = "6"
    & skf21("3","1","6","3","3","4","1","1") = "5"
    & skf21("3","1","6","3","3","4","2","1") = "5"
    & skf21("3","1","6","3","3","4","3","1") = "5"
    & skf21("3","1","6","3","3","4","4","1") = "5"
    & skf21("3","1","6","3","3","4","5","1") = "5"
    & skf21("3","1","6","3","3","4","6","1") = "5"
    & skf21("3","1","6","3","3","4","7","1") = "6"
    & skf21("3","1","6","3","3","5","1","1") = "5"
    & skf21("3","1","6","3","3","5","2","1") = "5"
    & skf21("3","1","6","3","3","5","3","1") = "5"
    & skf21("3","1","6","3","3","5","4","1") = "5"
    & skf21("3","1","6","3","3","5","5","1") = "5"
    & skf21("3","1","6","3","3","5","6","1") = "5"
    & skf21("3","1","6","3","3","5","7","1") = "6"
    & skf21("3","1","6","3","3","6","1","1") = "5"
    & skf21("3","1","6","3","3","6","2","1") = "5"
    & skf21("3","1","6","3","3","6","3","1") = "5"
    & skf21("3","1","6","3","3","6","4","1") = "5"
    & skf21("3","1","6","3","3","6","5","1") = "5"
    & skf21("3","1","6","3","3","6","6","1") = "5"
    & skf21("3","1","6","3","3","6","7","1") = "6"
    & skf21("3","1","6","3","3","7","1","1") = "6"
    & skf21("3","1","6","3","3","7","2","1") = "6"
    & skf21("3","1","6","3","3","7","3","1") = "6"
    & skf21("3","1","6","3","3","7","4","1") = "6"
    & skf21("3","1","6","3","3","7","5","1") = "6"
    & skf21("3","1","6","3","3","7","6","1") = "6"
    & skf21("3","1","6","3","3","7","7","1") = "6"
    & skf21("3","1","6","3","4","1","1","1") = "5"
    & skf21("3","1","6","3","4","1","2","1") = "5"
    & skf21("3","1","6","3","4","1","3","1") = "5"
    & skf21("3","1","6","3","4","1","4","1") = "5"
    & skf21("3","1","6","3","4","1","5","1") = "5"
    & skf21("3","1","6","3","4","1","6","1") = "5"
    & skf21("3","1","6","3","4","1","7","1") = "6"
    & skf21("3","1","6","3","4","2","1","1") = "5"
    & skf21("3","1","6","3","4","2","2","1") = "5"
    & skf21("3","1","6","3","4","2","3","1") = "5"
    & skf21("3","1","6","3","4","2","4","1") = "5"
    & skf21("3","1","6","3","4","2","5","1") = "5"
    & skf21("3","1","6","3","4","2","6","1") = "5"
    & skf21("3","1","6","3","4","2","7","1") = "6"
    & skf21("3","1","6","3","4","3","1","1") = "5"
    & skf21("3","1","6","3","4","3","2","1") = "5"
    & skf21("3","1","6","3","4","3","3","1") = "5"
    & skf21("3","1","6","3","4","3","4","1") = "5"
    & skf21("3","1","6","3","4","3","5","1") = "5"
    & skf21("3","1","6","3","4","3","6","1") = "5"
    & skf21("3","1","6","3","4","3","7","1") = "6"
    & skf21("3","1","6","3","4","4","1","1") = "5"
    & skf21("3","1","6","3","4","4","2","1") = "5"
    & skf21("3","1","6","3","4","4","3","1") = "5"
    & skf21("3","1","6","3","4","4","4","1") = "5"
    & skf21("3","1","6","3","4","4","5","1") = "5"
    & skf21("3","1","6","3","4","4","6","1") = "5"
    & skf21("3","1","6","3","4","4","7","1") = "6"
    & skf21("3","1","6","3","4","5","1","1") = "5"
    & skf21("3","1","6","3","4","5","2","1") = "5"
    & skf21("3","1","6","3","4","5","3","1") = "5"
    & skf21("3","1","6","3","4","5","4","1") = "5"
    & skf21("3","1","6","3","4","5","5","1") = "5"
    & skf21("3","1","6","3","4","5","6","1") = "5"
    & skf21("3","1","6","3","4","5","7","1") = "6"
    & skf21("3","1","6","3","4","6","1","1") = "5"
    & skf21("3","1","6","3","4","6","2","1") = "5"
    & skf21("3","1","6","3","4","6","3","1") = "5"
    & skf21("3","1","6","3","4","6","4","1") = "5"
    & skf21("3","1","6","3","4","6","5","1") = "5"
    & skf21("3","1","6","3","4","6","6","1") = "5"
    & skf21("3","1","6","3","4","6","7","1") = "6"
    & skf21("3","1","6","3","4","7","1","1") = "6"
    & skf21("3","1","6","3","4","7","2","1") = "6"
    & skf21("3","1","6","3","4","7","3","1") = "6"
    & skf21("3","1","6","3","4","7","4","1") = "6"
    & skf21("3","1","6","3","4","7","5","1") = "6"
    & skf21("3","1","6","3","4","7","6","1") = "6"
    & skf21("3","1","6","3","4","7","7","1") = "6"
    & skf21("3","1","6","3","5","1","1","1") = "5"
    & skf21("3","1","6","3","5","1","2","1") = "5"
    & skf21("3","1","6","3","5","1","3","1") = "5"
    & skf21("3","1","6","3","5","1","4","1") = "5"
    & skf21("3","1","6","3","5","1","5","1") = "5"
    & skf21("3","1","6","3","5","1","6","1") = "5"
    & skf21("3","1","6","3","5","1","7","1") = "6"
    & skf21("3","1","6","3","5","2","1","1") = "5"
    & skf21("3","1","6","3","5","2","2","1") = "5"
    & skf21("3","1","6","3","5","2","3","1") = "5"
    & skf21("3","1","6","3","5","2","4","1") = "5"
    & skf21("3","1","6","3","5","2","5","1") = "5"
    & skf21("3","1","6","3","5","2","6","1") = "5"
    & skf21("3","1","6","3","5","2","7","1") = "6"
    & skf21("3","1","6","3","5","3","1","1") = "5"
    & skf21("3","1","6","3","5","3","2","1") = "5"
    & skf21("3","1","6","3","5","3","3","1") = "5"
    & skf21("3","1","6","3","5","3","4","1") = "5"
    & skf21("3","1","6","3","5","3","5","1") = "5"
    & skf21("3","1","6","3","5","3","6","1") = "5"
    & skf21("3","1","6","3","5","3","7","1") = "6"
    & skf21("3","1","6","3","5","4","1","1") = "5"
    & skf21("3","1","6","3","5","4","2","1") = "5"
    & skf21("3","1","6","3","5","4","3","1") = "5"
    & skf21("3","1","6","3","5","4","4","1") = "5"
    & skf21("3","1","6","3","5","4","5","1") = "5"
    & skf21("3","1","6","3","5","4","6","1") = "5"
    & skf21("3","1","6","3","5","4","7","1") = "6"
    & skf21("3","1","6","3","5","5","1","1") = "5"
    & skf21("3","1","6","3","5","5","2","1") = "5"
    & skf21("3","1","6","3","5","5","3","1") = "5"
    & skf21("3","1","6","3","5","5","4","1") = "5"
    & skf21("3","1","6","3","5","5","5","1") = "5"
    & skf21("3","1","6","3","5","5","6","1") = "5"
    & skf21("3","1","6","3","5","5","7","1") = "6"
    & skf21("3","1","6","3","5","6","1","1") = "5"
    & skf21("3","1","6","3","5","6","2","1") = "5"
    & skf21("3","1","6","3","5","6","3","1") = "5"
    & skf21("3","1","6","3","5","6","4","1") = "5"
    & skf21("3","1","6","3","5","6","5","1") = "5"
    & skf21("3","1","6","3","5","6","6","1") = "5"
    & skf21("3","1","6","3","5","6","7","1") = "6"
    & skf21("3","1","6","3","5","7","1","1") = "6"
    & skf21("3","1","6","3","5","7","2","1") = "6"
    & skf21("3","1","6","3","5","7","3","1") = "6"
    & skf21("3","1","6","3","5","7","4","1") = "6"
    & skf21("3","1","6","3","5","7","5","1") = "6"
    & skf21("3","1","6","3","5","7","6","1") = "6"
    & skf21("3","1","6","3","5","7","7","1") = "6"
    & skf21("3","1","6","3","6","1","1","1") = "5"
    & skf21("3","1","6","3","6","1","2","1") = "5"
    & skf21("3","1","6","3","6","1","3","1") = "5"
    & skf21("3","1","6","3","6","1","4","1") = "5"
    & skf21("3","1","6","3","6","1","5","1") = "5"
    & skf21("3","1","6","3","6","1","6","1") = "5"
    & skf21("3","1","6","3","6","1","7","1") = "6"
    & skf21("3","1","6","3","6","2","1","1") = "5"
    & skf21("3","1","6","3","6","2","2","1") = "5"
    & skf21("3","1","6","3","6","2","3","1") = "5"
    & skf21("3","1","6","3","6","2","4","1") = "5"
    & skf21("3","1","6","3","6","2","5","1") = "5"
    & skf21("3","1","6","3","6","2","6","1") = "5"
    & skf21("3","1","6","3","6","2","7","1") = "6"
    & skf21("3","1","6","3","6","3","1","1") = "5"
    & skf21("3","1","6","3","6","3","2","1") = "5"
    & skf21("3","1","6","3","6","3","3","1") = "5"
    & skf21("3","1","6","3","6","3","4","1") = "5"
    & skf21("3","1","6","3","6","3","5","1") = "5"
    & skf21("3","1","6","3","6","3","6","1") = "5"
    & skf21("3","1","6","3","6","3","7","1") = "6"
    & skf21("3","1","6","3","6","4","1","1") = "5"
    & skf21("3","1","6","3","6","4","2","1") = "5"
    & skf21("3","1","6","3","6","4","3","1") = "5"
    & skf21("3","1","6","3","6","4","4","1") = "5"
    & skf21("3","1","6","3","6","4","5","1") = "5"
    & skf21("3","1","6","3","6","4","6","1") = "5"
    & skf21("3","1","6","3","6","4","7","1") = "6"
    & skf21("3","1","6","3","6","5","1","1") = "5"
    & skf21("3","1","6","3","6","5","2","1") = "5"
    & skf21("3","1","6","3","6","5","3","1") = "5"
    & skf21("3","1","6","3","6","5","4","1") = "5"
    & skf21("3","1","6","3","6","5","5","1") = "5"
    & skf21("3","1","6","3","6","5","6","1") = "5"
    & skf21("3","1","6","3","6","5","7","1") = "6"
    & skf21("3","1","6","3","6","6","1","1") = "5"
    & skf21("3","1","6","3","6","6","2","1") = "5"
    & skf21("3","1","6","3","6","6","3","1") = "5"
    & skf21("3","1","6","3","6","6","4","1") = "5"
    & skf21("3","1","6","3","6","6","5","1") = "5"
    & skf21("3","1","6","3","6","6","6","1") = "5"
    & skf21("3","1","6","3","6","6","7","1") = "6"
    & skf21("3","1","6","3","6","7","1","1") = "6"
    & skf21("3","1","6","3","6","7","2","1") = "6"
    & skf21("3","1","6","3","6","7","3","1") = "6"
    & skf21("3","1","6","3","6","7","4","1") = "6"
    & skf21("3","1","6","3","6","7","5","1") = "6"
    & skf21("3","1","6","3","6","7","6","1") = "6"
    & skf21("3","1","6","3","6","7","7","1") = "6"
    & skf21("3","1","6","3","7","1","1","1") = "6"
    & skf21("3","1","6","3","7","1","2","1") = "6"
    & skf21("3","1","6","3","7","1","3","1") = "6"
    & skf21("3","1","6","3","7","1","4","1") = "6"
    & skf21("3","1","6","3","7","1","5","1") = "6"
    & skf21("3","1","6","3","7","1","6","1") = "6"
    & skf21("3","1","6","3","7","1","7","1") = "6"
    & skf21("3","1","6","3","7","2","1","1") = "6"
    & skf21("3","1","6","3","7","2","2","1") = "6"
    & skf21("3","1","6","3","7","2","3","1") = "6"
    & skf21("3","1","6","3","7","2","4","1") = "6"
    & skf21("3","1","6","3","7","2","5","1") = "6"
    & skf21("3","1","6","3","7","2","6","1") = "6"
    & skf21("3","1","6","3","7","2","7","1") = "6"
    & skf21("3","1","6","3","7","3","1","1") = "6"
    & skf21("3","1","6","3","7","3","2","1") = "6"
    & skf21("3","1","6","3","7","3","3","1") = "6"
    & skf21("3","1","6","3","7","3","4","1") = "6"
    & skf21("3","1","6","3","7","3","5","1") = "6"
    & skf21("3","1","6","3","7","3","6","1") = "6"
    & skf21("3","1","6","3","7","3","7","1") = "6"
    & skf21("3","1","6","3","7","4","1","1") = "6"
    & skf21("3","1","6","3","7","4","2","1") = "6"
    & skf21("3","1","6","3","7","4","3","1") = "6"
    & skf21("3","1","6","3","7","4","4","1") = "6"
    & skf21("3","1","6","3","7","4","5","1") = "6"
    & skf21("3","1","6","3","7","4","6","1") = "6"
    & skf21("3","1","6","3","7","4","7","1") = "6"
    & skf21("3","1","6","3","7","5","1","1") = "6"
    & skf21("3","1","6","3","7","5","2","1") = "6"
    & skf21("3","1","6","3","7","5","3","1") = "6"
    & skf21("3","1","6","3","7","5","4","1") = "6"
    & skf21("3","1","6","3","7","5","5","1") = "6"
    & skf21("3","1","6","3","7","5","6","1") = "6"
    & skf21("3","1","6","3","7","5","7","1") = "6"
    & skf21("3","1","6","3","7","6","1","1") = "6"
    & skf21("3","1","6","3","7","6","2","1") = "6"
    & skf21("3","1","6","3","7","6","3","1") = "6"
    & skf21("3","1","6","3","7","6","4","1") = "6"
    & skf21("3","1","6","3","7","6","5","1") = "6"
    & skf21("3","1","6","3","7","6","6","1") = "6"
    & skf21("3","1","6","3","7","6","7","1") = "6"
    & skf21("3","1","6","3","7","7","1","1") = "6"
    & skf21("3","1","6","3","7","7","2","1") = "6"
    & skf21("3","1","6","3","7","7","3","1") = "6"
    & skf21("3","1","6","3","7","7","4","1") = "6"
    & skf21("3","1","6","3","7","7","5","1") = "6"
    & skf21("3","1","6","3","7","7","6","1") = "6"
    & skf21("3","1","6","3","7","7","7","1") = "6"
    & skf21("3","1","6","4","1","1","1","1") = "5"
    & skf21("3","1","6","4","1","1","2","1") = "5"
    & skf21("3","1","6","4","1","1","3","1") = "5"
    & skf21("3","1","6","4","1","1","4","1") = "5"
    & skf21("3","1","6","4","1","1","5","1") = "5"
    & skf21("3","1","6","4","1","1","6","1") = "5"
    & skf21("3","1","6","4","1","1","7","1") = "6"
    & skf21("3","1","6","4","1","2","1","1") = "5"
    & skf21("3","1","6","4","1","2","2","1") = "5"
    & skf21("3","1","6","4","1","2","3","1") = "5"
    & skf21("3","1","6","4","1","2","4","1") = "5"
    & skf21("3","1","6","4","1","2","5","1") = "5"
    & skf21("3","1","6","4","1","2","6","1") = "5"
    & skf21("3","1","6","4","1","2","7","1") = "6"
    & skf21("3","1","6","4","1","3","1","1") = "5"
    & skf21("3","1","6","4","1","3","2","1") = "5"
    & skf21("3","1","6","4","1","3","3","1") = "5"
    & skf21("3","1","6","4","1","3","4","1") = "5"
    & skf21("3","1","6","4","1","3","5","1") = "5"
    & skf21("3","1","6","4","1","3","6","1") = "5"
    & skf21("3","1","6","4","1","3","7","1") = "6"
    & skf21("3","1","6","4","1","4","1","1") = "5"
    & skf21("3","1","6","4","1","4","2","1") = "5"
    & skf21("3","1","6","4","1","4","3","1") = "5"
    & skf21("3","1","6","4","1","4","4","1") = "5"
    & skf21("3","1","6","4","1","4","5","1") = "5"
    & skf21("3","1","6","4","1","4","6","1") = "5"
    & skf21("3","1","6","4","1","4","7","1") = "6"
    & skf21("3","1","6","4","1","5","1","1") = "5"
    & skf21("3","1","6","4","1","5","2","1") = "5"
    & skf21("3","1","6","4","1","5","3","1") = "5"
    & skf21("3","1","6","4","1","5","4","1") = "5"
    & skf21("3","1","6","4","1","5","5","1") = "5"
    & skf21("3","1","6","4","1","5","6","1") = "5"
    & skf21("3","1","6","4","1","5","7","1") = "6"
    & skf21("3","1","6","4","1","6","1","1") = "5"
    & skf21("3","1","6","4","1","6","2","1") = "5"
    & skf21("3","1","6","4","1","6","3","1") = "5"
    & skf21("3","1","6","4","1","6","4","1") = "5"
    & skf21("3","1","6","4","1","6","5","1") = "5"
    & skf21("3","1","6","4","1","6","6","1") = "5"
    & skf21("3","1","6","4","1","6","7","1") = "6"
    & skf21("3","1","6","4","1","7","1","1") = "6"
    & skf21("3","1","6","4","1","7","2","1") = "6"
    & skf21("3","1","6","4","1","7","3","1") = "6"
    & skf21("3","1","6","4","1","7","4","1") = "6"
    & skf21("3","1","6","4","1","7","5","1") = "6"
    & skf21("3","1","6","4","1","7","6","1") = "6"
    & skf21("3","1","6","4","1","7","7","1") = "6"
    & skf21("3","1","6","4","2","1","1","1") = "5"
    & skf21("3","1","6","4","2","1","2","1") = "5"
    & skf21("3","1","6","4","2","1","3","1") = "5"
    & skf21("3","1","6","4","2","1","4","1") = "5"
    & skf21("3","1","6","4","2","1","5","1") = "5"
    & skf21("3","1","6","4","2","1","6","1") = "5"
    & skf21("3","1","6","4","2","1","7","1") = "6"
    & skf21("3","1","6","4","2","2","1","1") = "5"
    & skf21("3","1","6","4","2","2","2","1") = "5"
    & skf21("3","1","6","4","2","2","3","1") = "5"
    & skf21("3","1","6","4","2","2","4","1") = "5"
    & skf21("3","1","6","4","2","2","5","1") = "5"
    & skf21("3","1","6","4","2","2","6","1") = "5"
    & skf21("3","1","6","4","2","2","7","1") = "6"
    & skf21("3","1","6","4","2","3","1","1") = "5"
    & skf21("3","1","6","4","2","3","2","1") = "5"
    & skf21("3","1","6","4","2","3","3","1") = "5"
    & skf21("3","1","6","4","2","3","4","1") = "5"
    & skf21("3","1","6","4","2","3","5","1") = "5"
    & skf21("3","1","6","4","2","3","6","1") = "5"
    & skf21("3","1","6","4","2","3","7","1") = "6"
    & skf21("3","1","6","4","2","4","1","1") = "5"
    & skf21("3","1","6","4","2","4","2","1") = "5"
    & skf21("3","1","6","4","2","4","3","1") = "5"
    & skf21("3","1","6","4","2","4","4","1") = "5"
    & skf21("3","1","6","4","2","4","5","1") = "5"
    & skf21("3","1","6","4","2","4","6","1") = "5"
    & skf21("3","1","6","4","2","4","7","1") = "6"
    & skf21("3","1","6","4","2","5","1","1") = "5"
    & skf21("3","1","6","4","2","5","2","1") = "5"
    & skf21("3","1","6","4","2","5","3","1") = "5"
    & skf21("3","1","6","4","2","5","4","1") = "5"
    & skf21("3","1","6","4","2","5","5","1") = "5"
    & skf21("3","1","6","4","2","5","6","1") = "5"
    & skf21("3","1","6","4","2","5","7","1") = "6"
    & skf21("3","1","6","4","2","6","1","1") = "5"
    & skf21("3","1","6","4","2","6","2","1") = "5"
    & skf21("3","1","6","4","2","6","3","1") = "5"
    & skf21("3","1","6","4","2","6","4","1") = "5"
    & skf21("3","1","6","4","2","6","5","1") = "5"
    & skf21("3","1","6","4","2","6","6","1") = "5"
    & skf21("3","1","6","4","2","6","7","1") = "6"
    & skf21("3","1","6","4","2","7","1","1") = "6"
    & skf21("3","1","6","4","2","7","2","1") = "6"
    & skf21("3","1","6","4","2","7","3","1") = "6"
    & skf21("3","1","6","4","2","7","4","1") = "6"
    & skf21("3","1","6","4","2","7","5","1") = "6"
    & skf21("3","1","6","4","2","7","6","1") = "6"
    & skf21("3","1","6","4","2","7","7","1") = "6"
    & skf21("3","1","6","4","3","1","1","1") = "5"
    & skf21("3","1","6","4","3","1","2","1") = "5"
    & skf21("3","1","6","4","3","1","3","1") = "5"
    & skf21("3","1","6","4","3","1","4","1") = "5"
    & skf21("3","1","6","4","3","1","5","1") = "5"
    & skf21("3","1","6","4","3","1","6","1") = "5"
    & skf21("3","1","6","4","3","1","7","1") = "6"
    & skf21("3","1","6","4","3","2","1","1") = "5"
    & skf21("3","1","6","4","3","2","2","1") = "5"
    & skf21("3","1","6","4","3","2","3","1") = "5"
    & skf21("3","1","6","4","3","2","4","1") = "5"
    & skf21("3","1","6","4","3","2","5","1") = "5"
    & skf21("3","1","6","4","3","2","6","1") = "5"
    & skf21("3","1","6","4","3","2","7","1") = "6"
    & skf21("3","1","6","4","3","3","1","1") = "5"
    & skf21("3","1","6","4","3","3","2","1") = "5"
    & skf21("3","1","6","4","3","3","3","1") = "5"
    & skf21("3","1","6","4","3","3","4","1") = "5"
    & skf21("3","1","6","4","3","3","5","1") = "5"
    & skf21("3","1","6","4","3","3","6","1") = "5"
    & skf21("3","1","6","4","3","3","7","1") = "6"
    & skf21("3","1","6","4","3","4","1","1") = "5"
    & skf21("3","1","6","4","3","4","2","1") = "5"
    & skf21("3","1","6","4","3","4","3","1") = "5"
    & skf21("3","1","6","4","3","4","4","1") = "5"
    & skf21("3","1","6","4","3","4","5","1") = "5"
    & skf21("3","1","6","4","3","4","6","1") = "5"
    & skf21("3","1","6","4","3","4","7","1") = "6"
    & skf21("3","1","6","4","3","5","1","1") = "5"
    & skf21("3","1","6","4","3","5","2","1") = "5"
    & skf21("3","1","6","4","3","5","3","1") = "5"
    & skf21("3","1","6","4","3","5","4","1") = "5"
    & skf21("3","1","6","4","3","5","5","1") = "5"
    & skf21("3","1","6","4","3","5","6","1") = "5"
    & skf21("3","1","6","4","3","5","7","1") = "6"
    & skf21("3","1","6","4","3","6","1","1") = "5"
    & skf21("3","1","6","4","3","6","2","1") = "5"
    & skf21("3","1","6","4","3","6","3","1") = "5"
    & skf21("3","1","6","4","3","6","4","1") = "5"
    & skf21("3","1","6","4","3","6","5","1") = "5"
    & skf21("3","1","6","4","3","6","6","1") = "5"
    & skf21("3","1","6","4","3","6","7","1") = "6"
    & skf21("3","1","6","4","3","7","1","1") = "6"
    & skf21("3","1","6","4","3","7","2","1") = "6"
    & skf21("3","1","6","4","3","7","3","1") = "6"
    & skf21("3","1","6","4","3","7","4","1") = "6"
    & skf21("3","1","6","4","3","7","5","1") = "6"
    & skf21("3","1","6","4","3","7","6","1") = "6"
    & skf21("3","1","6","4","3","7","7","1") = "6"
    & skf21("3","1","6","4","4","1","1","1") = "5"
    & skf21("3","1","6","4","4","1","2","1") = "5"
    & skf21("3","1","6","4","4","1","3","1") = "5"
    & skf21("3","1","6","4","4","1","4","1") = "5"
    & skf21("3","1","6","4","4","1","5","1") = "5"
    & skf21("3","1","6","4","4","1","6","1") = "5"
    & skf21("3","1","6","4","4","1","7","1") = "6"
    & skf21("3","1","6","4","4","2","1","1") = "5"
    & skf21("3","1","6","4","4","2","2","1") = "5"
    & skf21("3","1","6","4","4","2","3","1") = "5"
    & skf21("3","1","6","4","4","2","4","1") = "5"
    & skf21("3","1","6","4","4","2","5","1") = "5"
    & skf21("3","1","6","4","4","2","6","1") = "5"
    & skf21("3","1","6","4","4","2","7","1") = "6"
    & skf21("3","1","6","4","4","3","1","1") = "5"
    & skf21("3","1","6","4","4","3","2","1") = "5"
    & skf21("3","1","6","4","4","3","3","1") = "5"
    & skf21("3","1","6","4","4","3","4","1") = "5"
    & skf21("3","1","6","4","4","3","5","1") = "5"
    & skf21("3","1","6","4","4","3","6","1") = "5"
    & skf21("3","1","6","4","4","3","7","1") = "6"
    & skf21("3","1","6","4","4","4","1","1") = "5"
    & skf21("3","1","6","4","4","4","2","1") = "5"
    & skf21("3","1","6","4","4","4","3","1") = "5"
    & skf21("3","1","6","4","4","4","4","1") = "5"
    & skf21("3","1","6","4","4","4","5","1") = "5"
    & skf21("3","1","6","4","4","4","6","1") = "5"
    & skf21("3","1","6","4","4","4","7","1") = "6"
    & skf21("3","1","6","4","4","5","1","1") = "5"
    & skf21("3","1","6","4","4","5","2","1") = "5"
    & skf21("3","1","6","4","4","5","3","1") = "5"
    & skf21("3","1","6","4","4","5","4","1") = "5"
    & skf21("3","1","6","4","4","5","5","1") = "5"
    & skf21("3","1","6","4","4","5","6","1") = "5"
    & skf21("3","1","6","4","4","5","7","1") = "6"
    & skf21("3","1","6","4","4","6","1","1") = "5"
    & skf21("3","1","6","4","4","6","2","1") = "5"
    & skf21("3","1","6","4","4","6","3","1") = "5"
    & skf21("3","1","6","4","4","6","4","1") = "5"
    & skf21("3","1","6","4","4","6","5","1") = "5"
    & skf21("3","1","6","4","4","6","6","1") = "5"
    & skf21("3","1","6","4","4","6","7","1") = "6"
    & skf21("3","1","6","4","4","7","1","1") = "6"
    & skf21("3","1","6","4","4","7","2","1") = "6"
    & skf21("3","1","6","4","4","7","3","1") = "6"
    & skf21("3","1","6","4","4","7","4","1") = "6"
    & skf21("3","1","6","4","4","7","5","1") = "6"
    & skf21("3","1","6","4","4","7","6","1") = "6"
    & skf21("3","1","6","4","4","7","7","1") = "6"
    & skf21("3","1","6","4","5","1","1","1") = "5"
    & skf21("3","1","6","4","5","1","2","1") = "5"
    & skf21("3","1","6","4","5","1","3","1") = "5"
    & skf21("3","1","6","4","5","1","4","1") = "5"
    & skf21("3","1","6","4","5","1","5","1") = "5"
    & skf21("3","1","6","4","5","1","6","1") = "5"
    & skf21("3","1","6","4","5","1","7","1") = "6"
    & skf21("3","1","6","4","5","2","1","1") = "5"
    & skf21("3","1","6","4","5","2","2","1") = "5"
    & skf21("3","1","6","4","5","2","3","1") = "5"
    & skf21("3","1","6","4","5","2","4","1") = "5"
    & skf21("3","1","6","4","5","2","5","1") = "5"
    & skf21("3","1","6","4","5","2","6","1") = "5"
    & skf21("3","1","6","4","5","2","7","1") = "6"
    & skf21("3","1","6","4","5","3","1","1") = "5"
    & skf21("3","1","6","4","5","3","2","1") = "5"
    & skf21("3","1","6","4","5","3","3","1") = "5"
    & skf21("3","1","6","4","5","3","4","1") = "5"
    & skf21("3","1","6","4","5","3","5","1") = "5"
    & skf21("3","1","6","4","5","3","6","1") = "5"
    & skf21("3","1","6","4","5","3","7","1") = "6"
    & skf21("3","1","6","4","5","4","1","1") = "5"
    & skf21("3","1","6","4","5","4","2","1") = "5"
    & skf21("3","1","6","4","5","4","3","1") = "5"
    & skf21("3","1","6","4","5","4","4","1") = "5"
    & skf21("3","1","6","4","5","4","5","1") = "5"
    & skf21("3","1","6","4","5","4","6","1") = "5"
    & skf21("3","1","6","4","5","4","7","1") = "6"
    & skf21("3","1","6","4","5","5","1","1") = "5"
    & skf21("3","1","6","4","5","5","2","1") = "5"
    & skf21("3","1","6","4","5","5","3","1") = "5"
    & skf21("3","1","6","4","5","5","4","1") = "5"
    & skf21("3","1","6","4","5","5","5","1") = "5"
    & skf21("3","1","6","4","5","5","6","1") = "5"
    & skf21("3","1","6","4","5","5","7","1") = "6"
    & skf21("3","1","6","4","5","6","1","1") = "5"
    & skf21("3","1","6","4","5","6","2","1") = "5"
    & skf21("3","1","6","4","5","6","3","1") = "5"
    & skf21("3","1","6","4","5","6","4","1") = "5"
    & skf21("3","1","6","4","5","6","5","1") = "5"
    & skf21("3","1","6","4","5","6","6","1") = "5"
    & skf21("3","1","6","4","5","6","7","1") = "6"
    & skf21("3","1","6","4","5","7","1","1") = "6"
    & skf21("3","1","6","4","5","7","2","1") = "6"
    & skf21("3","1","6","4","5","7","3","1") = "6"
    & skf21("3","1","6","4","5","7","4","1") = "6"
    & skf21("3","1","6","4","5","7","5","1") = "6"
    & skf21("3","1","6","4","5","7","6","1") = "6"
    & skf21("3","1","6","4","5","7","7","1") = "6"
    & skf21("3","1","6","4","6","1","1","1") = "5"
    & skf21("3","1","6","4","6","1","2","1") = "5"
    & skf21("3","1","6","4","6","1","3","1") = "5"
    & skf21("3","1","6","4","6","1","4","1") = "5"
    & skf21("3","1","6","4","6","1","5","1") = "5"
    & skf21("3","1","6","4","6","1","6","1") = "5"
    & skf21("3","1","6","4","6","1","7","1") = "6"
    & skf21("3","1","6","4","6","2","1","1") = "5"
    & skf21("3","1","6","4","6","2","2","1") = "5"
    & skf21("3","1","6","4","6","2","3","1") = "5"
    & skf21("3","1","6","4","6","2","4","1") = "5"
    & skf21("3","1","6","4","6","2","5","1") = "5"
    & skf21("3","1","6","4","6","2","6","1") = "5"
    & skf21("3","1","6","4","6","2","7","1") = "6"
    & skf21("3","1","6","4","6","3","1","1") = "5"
    & skf21("3","1","6","4","6","3","2","1") = "5"
    & skf21("3","1","6","4","6","3","3","1") = "5"
    & skf21("3","1","6","4","6","3","4","1") = "5"
    & skf21("3","1","6","4","6","3","5","1") = "5"
    & skf21("3","1","6","4","6","3","6","1") = "5"
    & skf21("3","1","6","4","6","3","7","1") = "6"
    & skf21("3","1","6","4","6","4","1","1") = "5"
    & skf21("3","1","6","4","6","4","2","1") = "5"
    & skf21("3","1","6","4","6","4","3","1") = "5"
    & skf21("3","1","6","4","6","4","4","1") = "5"
    & skf21("3","1","6","4","6","4","5","1") = "5"
    & skf21("3","1","6","4","6","4","6","1") = "5"
    & skf21("3","1","6","4","6","4","7","1") = "6"
    & skf21("3","1","6","4","6","5","1","1") = "5"
    & skf21("3","1","6","4","6","5","2","1") = "5"
    & skf21("3","1","6","4","6","5","3","1") = "5"
    & skf21("3","1","6","4","6","5","4","1") = "5"
    & skf21("3","1","6","4","6","5","5","1") = "5"
    & skf21("3","1","6","4","6","5","6","1") = "5"
    & skf21("3","1","6","4","6","5","7","1") = "6"
    & skf21("3","1","6","4","6","6","1","1") = "5"
    & skf21("3","1","6","4","6","6","2","1") = "5"
    & skf21("3","1","6","4","6","6","3","1") = "5"
    & skf21("3","1","6","4","6","6","4","1") = "5"
    & skf21("3","1","6","4","6","6","5","1") = "5"
    & skf21("3","1","6","4","6","6","6","1") = "5"
    & skf21("3","1","6","4","6","6","7","1") = "6"
    & skf21("3","1","6","4","6","7","1","1") = "6"
    & skf21("3","1","6","4","6","7","2","1") = "6"
    & skf21("3","1","6","4","6","7","3","1") = "6"
    & skf21("3","1","6","4","6","7","4","1") = "6"
    & skf21("3","1","6","4","6","7","5","1") = "6"
    & skf21("3","1","6","4","6","7","6","1") = "6"
    & skf21("3","1","6","4","6","7","7","1") = "6"
    & skf21("3","1","6","4","7","1","1","1") = "6"
    & skf21("3","1","6","4","7","1","2","1") = "6"
    & skf21("3","1","6","4","7","1","3","1") = "6"
    & skf21("3","1","6","4","7","1","4","1") = "6"
    & skf21("3","1","6","4","7","1","5","1") = "6"
    & skf21("3","1","6","4","7","1","6","1") = "6"
    & skf21("3","1","6","4","7","1","7","1") = "6"
    & skf21("3","1","6","4","7","2","1","1") = "6"
    & skf21("3","1","6","4","7","2","2","1") = "6"
    & skf21("3","1","6","4","7","2","3","1") = "6"
    & skf21("3","1","6","4","7","2","4","1") = "6"
    & skf21("3","1","6","4","7","2","5","1") = "6"
    & skf21("3","1","6","4","7","2","6","1") = "6"
    & skf21("3","1","6","4","7","2","7","1") = "6"
    & skf21("3","1","6","4","7","3","1","1") = "6"
    & skf21("3","1","6","4","7","3","2","1") = "6"
    & skf21("3","1","6","4","7","3","3","1") = "6"
    & skf21("3","1","6","4","7","3","4","1") = "6"
    & skf21("3","1","6","4","7","3","5","1") = "6"
    & skf21("3","1","6","4","7","3","6","1") = "6"
    & skf21("3","1","6","4","7","3","7","1") = "6"
    & skf21("3","1","6","4","7","4","1","1") = "6"
    & skf21("3","1","6","4","7","4","2","1") = "6"
    & skf21("3","1","6","4","7","4","3","1") = "6"
    & skf21("3","1","6","4","7","4","4","1") = "6"
    & skf21("3","1","6","4","7","4","5","1") = "6"
    & skf21("3","1","6","4","7","4","6","1") = "6"
    & skf21("3","1","6","4","7","4","7","1") = "6"
    & skf21("3","1","6","4","7","5","1","1") = "6"
    & skf21("3","1","6","4","7","5","2","1") = "6"
    & skf21("3","1","6","4","7","5","3","1") = "6"
    & skf21("3","1","6","4","7","5","4","1") = "6"
    & skf21("3","1","6","4","7","5","5","1") = "6"
    & skf21("3","1","6","4","7","5","6","1") = "6"
    & skf21("3","1","6","4","7","5","7","1") = "6"
    & skf21("3","1","6","4","7","6","1","1") = "6"
    & skf21("3","1","6","4","7","6","2","1") = "6"
    & skf21("3","1","6","4","7","6","3","1") = "6"
    & skf21("3","1","6","4","7","6","4","1") = "6"
    & skf21("3","1","6","4","7","6","5","1") = "6"
    & skf21("3","1","6","4","7","6","6","1") = "6"
    & skf21("3","1","6","4","7","6","7","1") = "6"
    & skf21("3","1","6","4","7","7","1","1") = "6"
    & skf21("3","1","6","4","7","7","2","1") = "6"
    & skf21("3","1","6","4","7","7","3","1") = "6"
    & skf21("3","1","6","4","7","7","4","1") = "6"
    & skf21("3","1","6","4","7","7","5","1") = "6"
    & skf21("3","1","6","4","7","7","6","1") = "6"
    & skf21("3","1","6","4","7","7","7","1") = "6"
    & skf21("3","1","6","5","1","1","1","1") = "5"
    & skf21("3","1","6","5","1","1","2","1") = "5"
    & skf21("3","1","6","5","1","1","3","1") = "5"
    & skf21("3","1","6","5","1","1","4","1") = "5"
    & skf21("3","1","6","5","1","1","5","1") = "5"
    & skf21("3","1","6","5","1","1","6","1") = "5"
    & skf21("3","1","6","5","1","1","7","1") = "6"
    & skf21("3","1","6","5","1","2","1","1") = "5"
    & skf21("3","1","6","5","1","2","2","1") = "5"
    & skf21("3","1","6","5","1","2","3","1") = "5"
    & skf21("3","1","6","5","1","2","4","1") = "5"
    & skf21("3","1","6","5","1","2","5","1") = "5"
    & skf21("3","1","6","5","1","2","6","1") = "5"
    & skf21("3","1","6","5","1","2","7","1") = "6"
    & skf21("3","1","6","5","1","3","1","1") = "5"
    & skf21("3","1","6","5","1","3","2","1") = "5"
    & skf21("3","1","6","5","1","3","3","1") = "5"
    & skf21("3","1","6","5","1","3","4","1") = "5"
    & skf21("3","1","6","5","1","3","5","1") = "5"
    & skf21("3","1","6","5","1","3","6","1") = "5"
    & skf21("3","1","6","5","1","3","7","1") = "6"
    & skf21("3","1","6","5","1","4","1","1") = "5"
    & skf21("3","1","6","5","1","4","2","1") = "5"
    & skf21("3","1","6","5","1","4","3","1") = "5"
    & skf21("3","1","6","5","1","4","4","1") = "5"
    & skf21("3","1","6","5","1","4","5","1") = "5"
    & skf21("3","1","6","5","1","4","6","1") = "5"
    & skf21("3","1","6","5","1","4","7","1") = "6"
    & skf21("3","1","6","5","1","5","1","1") = "5"
    & skf21("3","1","6","5","1","5","2","1") = "5"
    & skf21("3","1","6","5","1","5","3","1") = "5"
    & skf21("3","1","6","5","1","5","4","1") = "5"
    & skf21("3","1","6","5","1","5","5","1") = "5"
    & skf21("3","1","6","5","1","5","6","1") = "5"
    & skf21("3","1","6","5","1","5","7","1") = "6"
    & skf21("3","1","6","5","1","6","1","1") = "5"
    & skf21("3","1","6","5","1","6","2","1") = "5"
    & skf21("3","1","6","5","1","6","3","1") = "5"
    & skf21("3","1","6","5","1","6","4","1") = "5"
    & skf21("3","1","6","5","1","6","5","1") = "5"
    & skf21("3","1","6","5","1","6","6","1") = "5"
    & skf21("3","1","6","5","1","6","7","1") = "6"
    & skf21("3","1","6","5","1","7","1","1") = "6"
    & skf21("3","1","6","5","1","7","2","1") = "6"
    & skf21("3","1","6","5","1","7","3","1") = "6"
    & skf21("3","1","6","5","1","7","4","1") = "6"
    & skf21("3","1","6","5","1","7","5","1") = "6"
    & skf21("3","1","6","5","1","7","6","1") = "6"
    & skf21("3","1","6","5","1","7","7","1") = "6"
    & skf21("3","1","6","5","2","1","1","1") = "5"
    & skf21("3","1","6","5","2","1","2","1") = "5"
    & skf21("3","1","6","5","2","1","3","1") = "5"
    & skf21("3","1","6","5","2","1","4","1") = "5"
    & skf21("3","1","6","5","2","1","5","1") = "5"
    & skf21("3","1","6","5","2","1","6","1") = "5"
    & skf21("3","1","6","5","2","1","7","1") = "6"
    & skf21("3","1","6","5","2","2","1","1") = "5"
    & skf21("3","1","6","5","2","2","2","1") = "5"
    & skf21("3","1","6","5","2","2","3","1") = "5"
    & skf21("3","1","6","5","2","2","4","1") = "5"
    & skf21("3","1","6","5","2","2","5","1") = "5"
    & skf21("3","1","6","5","2","2","6","1") = "5"
    & skf21("3","1","6","5","2","2","7","1") = "6"
    & skf21("3","1","6","5","2","3","1","1") = "5"
    & skf21("3","1","6","5","2","3","2","1") = "5"
    & skf21("3","1","6","5","2","3","3","1") = "5"
    & skf21("3","1","6","5","2","3","4","1") = "5"
    & skf21("3","1","6","5","2","3","5","1") = "5"
    & skf21("3","1","6","5","2","3","6","1") = "5"
    & skf21("3","1","6","5","2","3","7","1") = "6"
    & skf21("3","1","6","5","2","4","1","1") = "5"
    & skf21("3","1","6","5","2","4","2","1") = "5"
    & skf21("3","1","6","5","2","4","3","1") = "5"
    & skf21("3","1","6","5","2","4","4","1") = "5"
    & skf21("3","1","6","5","2","4","5","1") = "5"
    & skf21("3","1","6","5","2","4","6","1") = "5"
    & skf21("3","1","6","5","2","4","7","1") = "6"
    & skf21("3","1","6","5","2","5","1","1") = "5"
    & skf21("3","1","6","5","2","5","2","1") = "5"
    & skf21("3","1","6","5","2","5","3","1") = "5"
    & skf21("3","1","6","5","2","5","4","1") = "5"
    & skf21("3","1","6","5","2","5","5","1") = "5"
    & skf21("3","1","6","5","2","5","6","1") = "5"
    & skf21("3","1","6","5","2","5","7","1") = "6"
    & skf21("3","1","6","5","2","6","1","1") = "5"
    & skf21("3","1","6","5","2","6","2","1") = "5"
    & skf21("3","1","6","5","2","6","3","1") = "5"
    & skf21("3","1","6","5","2","6","4","1") = "5"
    & skf21("3","1","6","5","2","6","5","1") = "5"
    & skf21("3","1","6","5","2","6","6","1") = "5"
    & skf21("3","1","6","5","2","6","7","1") = "6"
    & skf21("3","1","6","5","2","7","1","1") = "6"
    & skf21("3","1","6","5","2","7","2","1") = "6"
    & skf21("3","1","6","5","2","7","3","1") = "6"
    & skf21("3","1","6","5","2","7","4","1") = "6"
    & skf21("3","1","6","5","2","7","5","1") = "6"
    & skf21("3","1","6","5","2","7","6","1") = "6"
    & skf21("3","1","6","5","2","7","7","1") = "6"
    & skf21("3","1","6","5","3","1","1","1") = "5"
    & skf21("3","1","6","5","3","1","2","1") = "5"
    & skf21("3","1","6","5","3","1","3","1") = "5"
    & skf21("3","1","6","5","3","1","4","1") = "5"
    & skf21("3","1","6","5","3","1","5","1") = "5"
    & skf21("3","1","6","5","3","1","6","1") = "5"
    & skf21("3","1","6","5","3","1","7","1") = "6"
    & skf21("3","1","6","5","3","2","1","1") = "5"
    & skf21("3","1","6","5","3","2","2","1") = "5"
    & skf21("3","1","6","5","3","2","3","1") = "5"
    & skf21("3","1","6","5","3","2","4","1") = "5"
    & skf21("3","1","6","5","3","2","5","1") = "5"
    & skf21("3","1","6","5","3","2","6","1") = "5"
    & skf21("3","1","6","5","3","2","7","1") = "6"
    & skf21("3","1","6","5","3","3","1","1") = "5"
    & skf21("3","1","6","5","3","3","2","1") = "5"
    & skf21("3","1","6","5","3","3","3","1") = "5"
    & skf21("3","1","6","5","3","3","4","1") = "5"
    & skf21("3","1","6","5","3","3","5","1") = "5"
    & skf21("3","1","6","5","3","3","6","1") = "5"
    & skf21("3","1","6","5","3","3","7","1") = "6"
    & skf21("3","1","6","5","3","4","1","1") = "5"
    & skf21("3","1","6","5","3","4","2","1") = "5"
    & skf21("3","1","6","5","3","4","3","1") = "5"
    & skf21("3","1","6","5","3","4","4","1") = "5"
    & skf21("3","1","6","5","3","4","5","1") = "5"
    & skf21("3","1","6","5","3","4","6","1") = "5"
    & skf21("3","1","6","5","3","4","7","1") = "6"
    & skf21("3","1","6","5","3","5","1","1") = "5"
    & skf21("3","1","6","5","3","5","2","1") = "5"
    & skf21("3","1","6","5","3","5","3","1") = "5"
    & skf21("3","1","6","5","3","5","4","1") = "5"
    & skf21("3","1","6","5","3","5","5","1") = "5"
    & skf21("3","1","6","5","3","5","6","1") = "5"
    & skf21("3","1","6","5","3","5","7","1") = "6"
    & skf21("3","1","6","5","3","6","1","1") = "5"
    & skf21("3","1","6","5","3","6","2","1") = "5"
    & skf21("3","1","6","5","3","6","3","1") = "5"
    & skf21("3","1","6","5","3","6","4","1") = "5"
    & skf21("3","1","6","5","3","6","5","1") = "5"
    & skf21("3","1","6","5","3","6","6","1") = "5"
    & skf21("3","1","6","5","3","6","7","1") = "6"
    & skf21("3","1","6","5","3","7","1","1") = "6"
    & skf21("3","1","6","5","3","7","2","1") = "6"
    & skf21("3","1","6","5","3","7","3","1") = "6"
    & skf21("3","1","6","5","3","7","4","1") = "6"
    & skf21("3","1","6","5","3","7","5","1") = "6"
    & skf21("3","1","6","5","3","7","6","1") = "6"
    & skf21("3","1","6","5","3","7","7","1") = "6"
    & skf21("3","1","6","5","4","1","1","1") = "5"
    & skf21("3","1","6","5","4","1","2","1") = "5"
    & skf21("3","1","6","5","4","1","3","1") = "5"
    & skf21("3","1","6","5","4","1","4","1") = "5"
    & skf21("3","1","6","5","4","1","5","1") = "5"
    & skf21("3","1","6","5","4","1","6","1") = "5"
    & skf21("3","1","6","5","4","1","7","1") = "6"
    & skf21("3","1","6","5","4","2","1","1") = "5"
    & skf21("3","1","6","5","4","2","2","1") = "5"
    & skf21("3","1","6","5","4","2","3","1") = "5"
    & skf21("3","1","6","5","4","2","4","1") = "5"
    & skf21("3","1","6","5","4","2","5","1") = "5"
    & skf21("3","1","6","5","4","2","6","1") = "5"
    & skf21("3","1","6","5","4","2","7","1") = "6"
    & skf21("3","1","6","5","4","3","1","1") = "5"
    & skf21("3","1","6","5","4","3","2","1") = "5"
    & skf21("3","1","6","5","4","3","3","1") = "5"
    & skf21("3","1","6","5","4","3","4","1") = "5"
    & skf21("3","1","6","5","4","3","5","1") = "5"
    & skf21("3","1","6","5","4","3","6","1") = "5"
    & skf21("3","1","6","5","4","3","7","1") = "6"
    & skf21("3","1","6","5","4","4","1","1") = "5"
    & skf21("3","1","6","5","4","4","2","1") = "5"
    & skf21("3","1","6","5","4","4","3","1") = "5"
    & skf21("3","1","6","5","4","4","4","1") = "5"
    & skf21("3","1","6","5","4","4","5","1") = "5"
    & skf21("3","1","6","5","4","4","6","1") = "5"
    & skf21("3","1","6","5","4","4","7","1") = "6"
    & skf21("3","1","6","5","4","5","1","1") = "5"
    & skf21("3","1","6","5","4","5","2","1") = "5"
    & skf21("3","1","6","5","4","5","3","1") = "5"
    & skf21("3","1","6","5","4","5","4","1") = "5"
    & skf21("3","1","6","5","4","5","5","1") = "5"
    & skf21("3","1","6","5","4","5","6","1") = "5"
    & skf21("3","1","6","5","4","5","7","1") = "6"
    & skf21("3","1","6","5","4","6","1","1") = "5"
    & skf21("3","1","6","5","4","6","2","1") = "5"
    & skf21("3","1","6","5","4","6","3","1") = "5"
    & skf21("3","1","6","5","4","6","4","1") = "5"
    & skf21("3","1","6","5","4","6","5","1") = "5"
    & skf21("3","1","6","5","4","6","6","1") = "5"
    & skf21("3","1","6","5","4","6","7","1") = "6"
    & skf21("3","1","6","5","4","7","1","1") = "6"
    & skf21("3","1","6","5","4","7","2","1") = "6"
    & skf21("3","1","6","5","4","7","3","1") = "6"
    & skf21("3","1","6","5","4","7","4","1") = "6"
    & skf21("3","1","6","5","4","7","5","1") = "6"
    & skf21("3","1","6","5","4","7","6","1") = "6"
    & skf21("3","1","6","5","4","7","7","1") = "6"
    & skf21("3","1","6","5","5","1","1","1") = "5"
    & skf21("3","1","6","5","5","1","2","1") = "5"
    & skf21("3","1","6","5","5","1","3","1") = "5"
    & skf21("3","1","6","5","5","1","4","1") = "5"
    & skf21("3","1","6","5","5","1","5","1") = "5"
    & skf21("3","1","6","5","5","1","6","1") = "5"
    & skf21("3","1","6","5","5","1","7","1") = "6"
    & skf21("3","1","6","5","5","2","1","1") = "5"
    & skf21("3","1","6","5","5","2","2","1") = "5"
    & skf21("3","1","6","5","5","2","3","1") = "5"
    & skf21("3","1","6","5","5","2","4","1") = "5"
    & skf21("3","1","6","5","5","2","5","1") = "5"
    & skf21("3","1","6","5","5","2","6","1") = "5"
    & skf21("3","1","6","5","5","2","7","1") = "6"
    & skf21("3","1","6","5","5","3","1","1") = "5"
    & skf21("3","1","6","5","5","3","2","1") = "5"
    & skf21("3","1","6","5","5","3","3","1") = "5"
    & skf21("3","1","6","5","5","3","4","1") = "5"
    & skf21("3","1","6","5","5","3","5","1") = "5"
    & skf21("3","1","6","5","5","3","6","1") = "5"
    & skf21("3","1","6","5","5","3","7","1") = "6"
    & skf21("3","1","6","5","5","4","1","1") = "5"
    & skf21("3","1","6","5","5","4","2","1") = "5"
    & skf21("3","1","6","5","5","4","3","1") = "5"
    & skf21("3","1","6","5","5","4","4","1") = "5"
    & skf21("3","1","6","5","5","4","5","1") = "5"
    & skf21("3","1","6","5","5","4","6","1") = "5"
    & skf21("3","1","6","5","5","4","7","1") = "6"
    & skf21("3","1","6","5","5","5","1","1") = "5"
    & skf21("3","1","6","5","5","5","2","1") = "5"
    & skf21("3","1","6","5","5","5","3","1") = "5"
    & skf21("3","1","6","5","5","5","4","1") = "5"
    & skf21("3","1","6","5","5","5","5","1") = "5"
    & skf21("3","1","6","5","5","5","6","1") = "5"
    & skf21("3","1","6","5","5","5","7","1") = "6"
    & skf21("3","1","6","5","5","6","1","1") = "5"
    & skf21("3","1","6","5","5","6","2","1") = "5"
    & skf21("3","1","6","5","5","6","3","1") = "5"
    & skf21("3","1","6","5","5","6","4","1") = "5"
    & skf21("3","1","6","5","5","6","5","1") = "5"
    & skf21("3","1","6","5","5","6","6","1") = "5"
    & skf21("3","1","6","5","5","6","7","1") = "6"
    & skf21("3","1","6","5","5","7","1","1") = "6"
    & skf21("3","1","6","5","5","7","2","1") = "6"
    & skf21("3","1","6","5","5","7","3","1") = "6"
    & skf21("3","1","6","5","5","7","4","1") = "6"
    & skf21("3","1","6","5","5","7","5","1") = "6"
    & skf21("3","1","6","5","5","7","6","1") = "6"
    & skf21("3","1","6","5","5","7","7","1") = "6"
    & skf21("3","1","6","5","6","1","1","1") = "5"
    & skf21("3","1","6","5","6","1","2","1") = "5"
    & skf21("3","1","6","5","6","1","3","1") = "5"
    & skf21("3","1","6","5","6","1","4","1") = "5"
    & skf21("3","1","6","5","6","1","5","1") = "5"
    & skf21("3","1","6","5","6","1","6","1") = "5"
    & skf21("3","1","6","5","6","1","7","1") = "6"
    & skf21("3","1","6","5","6","2","1","1") = "5"
    & skf21("3","1","6","5","6","2","2","1") = "5"
    & skf21("3","1","6","5","6","2","3","1") = "5"
    & skf21("3","1","6","5","6","2","4","1") = "5"
    & skf21("3","1","6","5","6","2","5","1") = "5"
    & skf21("3","1","6","5","6","2","6","1") = "5"
    & skf21("3","1","6","5","6","2","7","1") = "6"
    & skf21("3","1","6","5","6","3","1","1") = "5"
    & skf21("3","1","6","5","6","3","2","1") = "5"
    & skf21("3","1","6","5","6","3","3","1") = "5"
    & skf21("3","1","6","5","6","3","4","1") = "5"
    & skf21("3","1","6","5","6","3","5","1") = "5"
    & skf21("3","1","6","5","6","3","6","1") = "5"
    & skf21("3","1","6","5","6","3","7","1") = "6"
    & skf21("3","1","6","5","6","4","1","1") = "5"
    & skf21("3","1","6","5","6","4","2","1") = "5"
    & skf21("3","1","6","5","6","4","3","1") = "5"
    & skf21("3","1","6","5","6","4","4","1") = "5"
    & skf21("3","1","6","5","6","4","5","1") = "5"
    & skf21("3","1","6","5","6","4","6","1") = "5"
    & skf21("3","1","6","5","6","4","7","1") = "6"
    & skf21("3","1","6","5","6","5","1","1") = "5"
    & skf21("3","1","6","5","6","5","2","1") = "5"
    & skf21("3","1","6","5","6","5","3","1") = "5"
    & skf21("3","1","6","5","6","5","4","1") = "5"
    & skf21("3","1","6","5","6","5","5","1") = "5"
    & skf21("3","1","6","5","6","5","6","1") = "5"
    & skf21("3","1","6","5","6","5","7","1") = "6"
    & skf21("3","1","6","5","6","6","1","1") = "5"
    & skf21("3","1","6","5","6","6","2","1") = "5"
    & skf21("3","1","6","5","6","6","3","1") = "5"
    & skf21("3","1","6","5","6","6","4","1") = "5"
    & skf21("3","1","6","5","6","6","5","1") = "5"
    & skf21("3","1","6","5","6","6","6","1") = "5"
    & skf21("3","1","6","5","6","6","7","1") = "6"
    & skf21("3","1","6","5","6","7","1","1") = "6"
    & skf21("3","1","6","5","6","7","2","1") = "6"
    & skf21("3","1","6","5","6","7","3","1") = "6"
    & skf21("3","1","6","5","6","7","4","1") = "6"
    & skf21("3","1","6","5","6","7","5","1") = "6"
    & skf21("3","1","6","5","6","7","6","1") = "6"
    & skf21("3","1","6","5","6","7","7","1") = "6"
    & skf21("3","1","6","5","7","1","1","1") = "6"
    & skf21("3","1","6","5","7","1","2","1") = "6"
    & skf21("3","1","6","5","7","1","3","1") = "6"
    & skf21("3","1","6","5","7","1","4","1") = "6"
    & skf21("3","1","6","5","7","1","5","1") = "6"
    & skf21("3","1","6","5","7","1","6","1") = "6"
    & skf21("3","1","6","5","7","1","7","1") = "6"
    & skf21("3","1","6","5","7","2","1","1") = "6"
    & skf21("3","1","6","5","7","2","2","1") = "6"
    & skf21("3","1","6","5","7","2","3","1") = "6"
    & skf21("3","1","6","5","7","2","4","1") = "6"
    & skf21("3","1","6","5","7","2","5","1") = "6"
    & skf21("3","1","6","5","7","2","6","1") = "6"
    & skf21("3","1","6","5","7","2","7","1") = "6"
    & skf21("3","1","6","5","7","3","1","1") = "6"
    & skf21("3","1","6","5","7","3","2","1") = "6"
    & skf21("3","1","6","5","7","3","3","1") = "6"
    & skf21("3","1","6","5","7","3","4","1") = "6"
    & skf21("3","1","6","5","7","3","5","1") = "6"
    & skf21("3","1","6","5","7","3","6","1") = "6"
    & skf21("3","1","6","5","7","3","7","1") = "6"
    & skf21("3","1","6","5","7","4","1","1") = "6"
    & skf21("3","1","6","5","7","4","2","1") = "6"
    & skf21("3","1","6","5","7","4","3","1") = "6"
    & skf21("3","1","6","5","7","4","4","1") = "6"
    & skf21("3","1","6","5","7","4","5","1") = "6"
    & skf21("3","1","6","5","7","4","6","1") = "6"
    & skf21("3","1","6","5","7","4","7","1") = "6"
    & skf21("3","1","6","5","7","5","1","1") = "6"
    & skf21("3","1","6","5","7","5","2","1") = "6"
    & skf21("3","1","6","5","7","5","3","1") = "6"
    & skf21("3","1","6","5","7","5","4","1") = "6"
    & skf21("3","1","6","5","7","5","5","1") = "6"
    & skf21("3","1","6","5","7","5","6","1") = "6"
    & skf21("3","1","6","5","7","5","7","1") = "6"
    & skf21("3","1","6","5","7","6","1","1") = "6"
    & skf21("3","1","6","5","7","6","2","1") = "6"
    & skf21("3","1","6","5","7","6","3","1") = "6"
    & skf21("3","1","6","5","7","6","4","1") = "6"
    & skf21("3","1","6","5","7","6","5","1") = "6"
    & skf21("3","1","6","5","7","6","6","1") = "6"
    & skf21("3","1","6","5","7","6","7","1") = "6"
    & skf21("3","1","6","5","7","7","1","1") = "6"
    & skf21("3","1","6","5","7","7","2","1") = "6"
    & skf21("3","1","6","5","7","7","3","1") = "6"
    & skf21("3","1","6","5","7","7","4","1") = "6"
    & skf21("3","1","6","5","7","7","5","1") = "6"
    & skf21("3","1","6","5","7","7","6","1") = "6"
    & skf21("3","1","6","5","7","7","7","1") = "6"
    & skf21("3","1","6","6","1","1","1","1") = "5"
    & skf21("3","1","6","6","1","1","2","1") = "5"
    & skf21("3","1","6","6","1","1","3","1") = "5"
    & skf21("3","1","6","6","1","1","4","1") = "5"
    & skf21("3","1","6","6","1","1","5","1") = "5"
    & skf21("3","1","6","6","1","1","6","1") = "5"
    & skf21("3","1","6","6","1","1","7","1") = "6"
    & skf21("3","1","6","6","1","2","1","1") = "5"
    & skf21("3","1","6","6","1","2","2","1") = "5"
    & skf21("3","1","6","6","1","2","3","1") = "5"
    & skf21("3","1","6","6","1","2","4","1") = "5"
    & skf21("3","1","6","6","1","2","5","1") = "5"
    & skf21("3","1","6","6","1","2","6","1") = "5"
    & skf21("3","1","6","6","1","2","7","1") = "6"
    & skf21("3","1","6","6","1","3","1","1") = "5"
    & skf21("3","1","6","6","1","3","2","1") = "5"
    & skf21("3","1","6","6","1","3","3","1") = "5"
    & skf21("3","1","6","6","1","3","4","1") = "5"
    & skf21("3","1","6","6","1","3","5","1") = "5"
    & skf21("3","1","6","6","1","3","6","1") = "5"
    & skf21("3","1","6","6","1","3","7","1") = "6"
    & skf21("3","1","6","6","1","4","1","1") = "5"
    & skf21("3","1","6","6","1","4","2","1") = "5"
    & skf21("3","1","6","6","1","4","3","1") = "5"
    & skf21("3","1","6","6","1","4","4","1") = "5"
    & skf21("3","1","6","6","1","4","5","1") = "5"
    & skf21("3","1","6","6","1","4","6","1") = "5"
    & skf21("3","1","6","6","1","4","7","1") = "6"
    & skf21("3","1","6","6","1","5","1","1") = "5"
    & skf21("3","1","6","6","1","5","2","1") = "5"
    & skf21("3","1","6","6","1","5","3","1") = "5"
    & skf21("3","1","6","6","1","5","4","1") = "5"
    & skf21("3","1","6","6","1","5","5","1") = "5"
    & skf21("3","1","6","6","1","5","6","1") = "5"
    & skf21("3","1","6","6","1","5","7","1") = "6"
    & skf21("3","1","6","6","1","6","1","1") = "5"
    & skf21("3","1","6","6","1","6","2","1") = "5"
    & skf21("3","1","6","6","1","6","3","1") = "5"
    & skf21("3","1","6","6","1","6","4","1") = "5"
    & skf21("3","1","6","6","1","6","5","1") = "5"
    & skf21("3","1","6","6","1","6","6","1") = "5"
    & skf21("3","1","6","6","1","6","7","1") = "6"
    & skf21("3","1","6","6","1","7","1","1") = "6"
    & skf21("3","1","6","6","1","7","2","1") = "6"
    & skf21("3","1","6","6","1","7","3","1") = "6"
    & skf21("3","1","6","6","1","7","4","1") = "6"
    & skf21("3","1","6","6","1","7","5","1") = "6"
    & skf21("3","1","6","6","1","7","6","1") = "6"
    & skf21("3","1","6","6","1","7","7","1") = "6"
    & skf21("3","1","6","6","2","1","1","1") = "5"
    & skf21("3","1","6","6","2","1","2","1") = "5"
    & skf21("3","1","6","6","2","1","3","1") = "5"
    & skf21("3","1","6","6","2","1","4","1") = "5"
    & skf21("3","1","6","6","2","1","5","1") = "5"
    & skf21("3","1","6","6","2","1","6","1") = "5"
    & skf21("3","1","6","6","2","1","7","1") = "6"
    & skf21("3","1","6","6","2","2","1","1") = "5"
    & skf21("3","1","6","6","2","2","2","1") = "5"
    & skf21("3","1","6","6","2","2","3","1") = "5"
    & skf21("3","1","6","6","2","2","4","1") = "5"
    & skf21("3","1","6","6","2","2","5","1") = "5"
    & skf21("3","1","6","6","2","2","6","1") = "5"
    & skf21("3","1","6","6","2","2","7","1") = "6"
    & skf21("3","1","6","6","2","3","1","1") = "5"
    & skf21("3","1","6","6","2","3","2","1") = "5"
    & skf21("3","1","6","6","2","3","3","1") = "5"
    & skf21("3","1","6","6","2","3","4","1") = "5"
    & skf21("3","1","6","6","2","3","5","1") = "5"
    & skf21("3","1","6","6","2","3","6","1") = "5"
    & skf21("3","1","6","6","2","3","7","1") = "6"
    & skf21("3","1","6","6","2","4","1","1") = "5"
    & skf21("3","1","6","6","2","4","2","1") = "5"
    & skf21("3","1","6","6","2","4","3","1") = "5"
    & skf21("3","1","6","6","2","4","4","1") = "5"
    & skf21("3","1","6","6","2","4","5","1") = "5"
    & skf21("3","1","6","6","2","4","6","1") = "5"
    & skf21("3","1","6","6","2","4","7","1") = "6"
    & skf21("3","1","6","6","2","5","1","1") = "5"
    & skf21("3","1","6","6","2","5","2","1") = "5"
    & skf21("3","1","6","6","2","5","3","1") = "5"
    & skf21("3","1","6","6","2","5","4","1") = "5"
    & skf21("3","1","6","6","2","5","5","1") = "5"
    & skf21("3","1","6","6","2","5","6","1") = "5"
    & skf21("3","1","6","6","2","5","7","1") = "6"
    & skf21("3","1","6","6","2","6","1","1") = "5"
    & skf21("3","1","6","6","2","6","2","1") = "5"
    & skf21("3","1","6","6","2","6","3","1") = "5"
    & skf21("3","1","6","6","2","6","4","1") = "5"
    & skf21("3","1","6","6","2","6","5","1") = "5"
    & skf21("3","1","6","6","2","6","6","1") = "5"
    & skf21("3","1","6","6","2","6","7","1") = "6"
    & skf21("3","1","6","6","2","7","1","1") = "6"
    & skf21("3","1","6","6","2","7","2","1") = "6"
    & skf21("3","1","6","6","2","7","3","1") = "6"
    & skf21("3","1","6","6","2","7","4","1") = "6"
    & skf21("3","1","6","6","2","7","5","1") = "6"
    & skf21("3","1","6","6","2","7","6","1") = "6"
    & skf21("3","1","6","6","2","7","7","1") = "6"
    & skf21("3","1","6","6","3","1","1","1") = "5"
    & skf21("3","1","6","6","3","1","2","1") = "5"
    & skf21("3","1","6","6","3","1","3","1") = "5"
    & skf21("3","1","6","6","3","1","4","1") = "5"
    & skf21("3","1","6","6","3","1","5","1") = "5"
    & skf21("3","1","6","6","3","1","6","1") = "5"
    & skf21("3","1","6","6","3","1","7","1") = "6"
    & skf21("3","1","6","6","3","2","1","1") = "5"
    & skf21("3","1","6","6","3","2","2","1") = "5"
    & skf21("3","1","6","6","3","2","3","1") = "5"
    & skf21("3","1","6","6","3","2","4","1") = "5"
    & skf21("3","1","6","6","3","2","5","1") = "5"
    & skf21("3","1","6","6","3","2","6","1") = "5"
    & skf21("3","1","6","6","3","2","7","1") = "6"
    & skf21("3","1","6","6","3","3","1","1") = "5"
    & skf21("3","1","6","6","3","3","2","1") = "5"
    & skf21("3","1","6","6","3","3","3","1") = "5"
    & skf21("3","1","6","6","3","3","4","1") = "5"
    & skf21("3","1","6","6","3","3","5","1") = "5"
    & skf21("3","1","6","6","3","3","6","1") = "5"
    & skf21("3","1","6","6","3","3","7","1") = "6"
    & skf21("3","1","6","6","3","4","1","1") = "5"
    & skf21("3","1","6","6","3","4","2","1") = "5"
    & skf21("3","1","6","6","3","4","3","1") = "5"
    & skf21("3","1","6","6","3","4","4","1") = "5"
    & skf21("3","1","6","6","3","4","5","1") = "5"
    & skf21("3","1","6","6","3","4","6","1") = "5"
    & skf21("3","1","6","6","3","4","7","1") = "6"
    & skf21("3","1","6","6","3","5","1","1") = "5"
    & skf21("3","1","6","6","3","5","2","1") = "5"
    & skf21("3","1","6","6","3","5","3","1") = "5"
    & skf21("3","1","6","6","3","5","4","1") = "5"
    & skf21("3","1","6","6","3","5","5","1") = "5"
    & skf21("3","1","6","6","3","5","6","1") = "5"
    & skf21("3","1","6","6","3","5","7","1") = "6"
    & skf21("3","1","6","6","3","6","1","1") = "5"
    & skf21("3","1","6","6","3","6","2","1") = "5"
    & skf21("3","1","6","6","3","6","3","1") = "5"
    & skf21("3","1","6","6","3","6","4","1") = "5"
    & skf21("3","1","6","6","3","6","5","1") = "5"
    & skf21("3","1","6","6","3","6","6","1") = "5"
    & skf21("3","1","6","6","3","6","7","1") = "6"
    & skf21("3","1","6","6","3","7","1","1") = "6"
    & skf21("3","1","6","6","3","7","2","1") = "6"
    & skf21("3","1","6","6","3","7","3","1") = "6"
    & skf21("3","1","6","6","3","7","4","1") = "6"
    & skf21("3","1","6","6","3","7","5","1") = "6"
    & skf21("3","1","6","6","3","7","6","1") = "6"
    & skf21("3","1","6","6","3","7","7","1") = "6"
    & skf21("3","1","6","6","4","1","1","1") = "5"
    & skf21("3","1","6","6","4","1","2","1") = "5"
    & skf21("3","1","6","6","4","1","3","1") = "5"
    & skf21("3","1","6","6","4","1","4","1") = "5"
    & skf21("3","1","6","6","4","1","5","1") = "5"
    & skf21("3","1","6","6","4","1","6","1") = "5"
    & skf21("3","1","6","6","4","1","7","1") = "6"
    & skf21("3","1","6","6","4","2","1","1") = "5"
    & skf21("3","1","6","6","4","2","2","1") = "5"
    & skf21("3","1","6","6","4","2","3","1") = "5"
    & skf21("3","1","6","6","4","2","4","1") = "5"
    & skf21("3","1","6","6","4","2","5","1") = "5"
    & skf21("3","1","6","6","4","2","6","1") = "5"
    & skf21("3","1","6","6","4","2","7","1") = "6"
    & skf21("3","1","6","6","4","3","1","1") = "5"
    & skf21("3","1","6","6","4","3","2","1") = "5"
    & skf21("3","1","6","6","4","3","3","1") = "5"
    & skf21("3","1","6","6","4","3","4","1") = "5"
    & skf21("3","1","6","6","4","3","5","1") = "5"
    & skf21("3","1","6","6","4","3","6","1") = "5"
    & skf21("3","1","6","6","4","3","7","1") = "6"
    & skf21("3","1","6","6","4","4","1","1") = "5"
    & skf21("3","1","6","6","4","4","2","1") = "5"
    & skf21("3","1","6","6","4","4","3","1") = "5"
    & skf21("3","1","6","6","4","4","4","1") = "5"
    & skf21("3","1","6","6","4","4","5","1") = "5"
    & skf21("3","1","6","6","4","4","6","1") = "5"
    & skf21("3","1","6","6","4","4","7","1") = "6"
    & skf21("3","1","6","6","4","5","1","1") = "5"
    & skf21("3","1","6","6","4","5","2","1") = "5"
    & skf21("3","1","6","6","4","5","3","1") = "5"
    & skf21("3","1","6","6","4","5","4","1") = "5"
    & skf21("3","1","6","6","4","5","5","1") = "5"
    & skf21("3","1","6","6","4","5","6","1") = "5"
    & skf21("3","1","6","6","4","5","7","1") = "6"
    & skf21("3","1","6","6","4","6","1","1") = "5"
    & skf21("3","1","6","6","4","6","2","1") = "5"
    & skf21("3","1","6","6","4","6","3","1") = "5"
    & skf21("3","1","6","6","4","6","4","1") = "5"
    & skf21("3","1","6","6","4","6","5","1") = "5"
    & skf21("3","1","6","6","4","6","6","1") = "5"
    & skf21("3","1","6","6","4","6","7","1") = "6"
    & skf21("3","1","6","6","4","7","1","1") = "6"
    & skf21("3","1","6","6","4","7","2","1") = "6"
    & skf21("3","1","6","6","4","7","3","1") = "6"
    & skf21("3","1","6","6","4","7","4","1") = "6"
    & skf21("3","1","6","6","4","7","5","1") = "6"
    & skf21("3","1","6","6","4","7","6","1") = "6"
    & skf21("3","1","6","6","4","7","7","1") = "6"
    & skf21("3","1","6","6","5","1","1","1") = "5"
    & skf21("3","1","6","6","5","1","2","1") = "5"
    & skf21("3","1","6","6","5","1","3","1") = "5"
    & skf21("3","1","6","6","5","1","4","1") = "5"
    & skf21("3","1","6","6","5","1","5","1") = "5"
    & skf21("3","1","6","6","5","1","6","1") = "5"
    & skf21("3","1","6","6","5","1","7","1") = "6"
    & skf21("3","1","6","6","5","2","1","1") = "5"
    & skf21("3","1","6","6","5","2","2","1") = "5"
    & skf21("3","1","6","6","5","2","3","1") = "5"
    & skf21("3","1","6","6","5","2","4","1") = "5"
    & skf21("3","1","6","6","5","2","5","1") = "5"
    & skf21("3","1","6","6","5","2","6","1") = "5"
    & skf21("3","1","6","6","5","2","7","1") = "6"
    & skf21("3","1","6","6","5","3","1","1") = "5"
    & skf21("3","1","6","6","5","3","2","1") = "5"
    & skf21("3","1","6","6","5","3","3","1") = "5"
    & skf21("3","1","6","6","5","3","4","1") = "5"
    & skf21("3","1","6","6","5","3","5","1") = "5"
    & skf21("3","1","6","6","5","3","6","1") = "5"
    & skf21("3","1","6","6","5","3","7","1") = "6"
    & skf21("3","1","6","6","5","4","1","1") = "5"
    & skf21("3","1","6","6","5","4","2","1") = "5"
    & skf21("3","1","6","6","5","4","3","1") = "5"
    & skf21("3","1","6","6","5","4","4","1") = "5"
    & skf21("3","1","6","6","5","4","5","1") = "5"
    & skf21("3","1","6","6","5","4","6","1") = "5"
    & skf21("3","1","6","6","5","4","7","1") = "6"
    & skf21("3","1","6","6","5","5","1","1") = "5"
    & skf21("3","1","6","6","5","5","2","1") = "5"
    & skf21("3","1","6","6","5","5","3","1") = "5"
    & skf21("3","1","6","6","5","5","4","1") = "5"
    & skf21("3","1","6","6","5","5","5","1") = "5"
    & skf21("3","1","6","6","5","5","6","1") = "5"
    & skf21("3","1","6","6","5","5","7","1") = "6"
    & skf21("3","1","6","6","5","6","1","1") = "5"
    & skf21("3","1","6","6","5","6","2","1") = "5"
    & skf21("3","1","6","6","5","6","3","1") = "5"
    & skf21("3","1","6","6","5","6","4","1") = "5"
    & skf21("3","1","6","6","5","6","5","1") = "5"
    & skf21("3","1","6","6","5","6","6","1") = "5"
    & skf21("3","1","6","6","5","6","7","1") = "6"
    & skf21("3","1","6","6","5","7","1","1") = "6"
    & skf21("3","1","6","6","5","7","2","1") = "6"
    & skf21("3","1","6","6","5","7","3","1") = "6"
    & skf21("3","1","6","6","5","7","4","1") = "6"
    & skf21("3","1","6","6","5","7","5","1") = "6"
    & skf21("3","1","6","6","5","7","6","1") = "6"
    & skf21("3","1","6","6","5","7","7","1") = "6"
    & skf21("3","1","6","6","6","1","1","1") = "5"
    & skf21("3","1","6","6","6","1","2","1") = "5"
    & skf21("3","1","6","6","6","1","3","1") = "5"
    & skf21("3","1","6","6","6","1","4","1") = "5"
    & skf21("3","1","6","6","6","1","5","1") = "5"
    & skf21("3","1","6","6","6","1","6","1") = "5"
    & skf21("3","1","6","6","6","1","7","1") = "6"
    & skf21("3","1","6","6","6","2","1","1") = "5"
    & skf21("3","1","6","6","6","2","2","1") = "5"
    & skf21("3","1","6","6","6","2","3","1") = "5"
    & skf21("3","1","6","6","6","2","4","1") = "5"
    & skf21("3","1","6","6","6","2","5","1") = "5"
    & skf21("3","1","6","6","6","2","6","1") = "5"
    & skf21("3","1","6","6","6","2","7","1") = "6"
    & skf21("3","1","6","6","6","3","1","1") = "5"
    & skf21("3","1","6","6","6","3","2","1") = "5"
    & skf21("3","1","6","6","6","3","3","1") = "5"
    & skf21("3","1","6","6","6","3","4","1") = "5"
    & skf21("3","1","6","6","6","3","5","1") = "5"
    & skf21("3","1","6","6","6","3","6","1") = "5"
    & skf21("3","1","6","6","6","3","7","1") = "6"
    & skf21("3","1","6","6","6","4","1","1") = "5"
    & skf21("3","1","6","6","6","4","2","1") = "5"
    & skf21("3","1","6","6","6","4","3","1") = "5"
    & skf21("3","1","6","6","6","4","4","1") = "5"
    & skf21("3","1","6","6","6","4","5","1") = "5"
    & skf21("3","1","6","6","6","4","6","1") = "5"
    & skf21("3","1","6","6","6","4","7","1") = "6"
    & skf21("3","1","6","6","6","5","1","1") = "5"
    & skf21("3","1","6","6","6","5","2","1") = "5"
    & skf21("3","1","6","6","6","5","3","1") = "5"
    & skf21("3","1","6","6","6","5","4","1") = "5"
    & skf21("3","1","6","6","6","5","5","1") = "5"
    & skf21("3","1","6","6","6","5","6","1") = "5"
    & skf21("3","1","6","6","6","5","7","1") = "6"
    & skf21("3","1","6","6","6","6","1","1") = "5"
    & skf21("3","1","6","6","6","6","2","1") = "5"
    & skf21("3","1","6","6","6","6","3","1") = "5"
    & skf21("3","1","6","6","6","6","4","1") = "5"
    & skf21("3","1","6","6","6","6","5","1") = "5"
    & skf21("3","1","6","6","6","6","6","1") = "5"
    & skf21("3","1","6","6","6","6","7","1") = "6"
    & skf21("3","1","6","6","6","7","1","1") = "6"
    & skf21("3","1","6","6","6","7","2","1") = "6"
    & skf21("3","1","6","6","6","7","3","1") = "6"
    & skf21("3","1","6","6","6","7","4","1") = "6"
    & skf21("3","1","6","6","6","7","5","1") = "6"
    & skf21("3","1","6","6","6","7","6","1") = "6"
    & skf21("3","1","6","6","6","7","7","1") = "6"
    & skf21("3","1","6","6","7","1","1","1") = "6"
    & skf21("3","1","6","6","7","1","2","1") = "6"
    & skf21("3","1","6","6","7","1","3","1") = "6"
    & skf21("3","1","6","6","7","1","4","1") = "6"
    & skf21("3","1","6","6","7","1","5","1") = "6"
    & skf21("3","1","6","6","7","1","6","1") = "6"
    & skf21("3","1","6","6","7","1","7","1") = "6"
    & skf21("3","1","6","6","7","2","1","1") = "6"
    & skf21("3","1","6","6","7","2","2","1") = "6"
    & skf21("3","1","6","6","7","2","3","1") = "6"
    & skf21("3","1","6","6","7","2","4","1") = "6"
    & skf21("3","1","6","6","7","2","5","1") = "6"
    & skf21("3","1","6","6","7","2","6","1") = "6"
    & skf21("3","1","6","6","7","2","7","1") = "6"
    & skf21("3","1","6","6","7","3","1","1") = "6"
    & skf21("3","1","6","6","7","3","2","1") = "6"
    & skf21("3","1","6","6","7","3","3","1") = "6"
    & skf21("3","1","6","6","7","3","4","1") = "6"
    & skf21("3","1","6","6","7","3","5","1") = "6"
    & skf21("3","1","6","6","7","3","6","1") = "6"
    & skf21("3","1","6","6","7","3","7","1") = "6"
    & skf21("3","1","6","6","7","4","1","1") = "6"
    & skf21("3","1","6","6","7","4","2","1") = "6"
    & skf21("3","1","6","6","7","4","3","1") = "6"
    & skf21("3","1","6","6","7","4","4","1") = "6"
    & skf21("3","1","6","6","7","4","5","1") = "6"
    & skf21("3","1","6","6","7","4","6","1") = "6"
    & skf21("3","1","6","6","7","4","7","1") = "6"
    & skf21("3","1","6","6","7","5","1","1") = "6"
    & skf21("3","1","6","6","7","5","2","1") = "6"
    & skf21("3","1","6","6","7","5","3","1") = "6"
    & skf21("3","1","6","6","7","5","4","1") = "6"
    & skf21("3","1","6","6","7","5","5","1") = "6"
    & skf21("3","1","6","6","7","5","6","1") = "6"
    & skf21("3","1","6","6","7","5","7","1") = "6"
    & skf21("3","1","6","6","7","6","1","1") = "6"
    & skf21("3","1","6","6","7","6","2","1") = "6"
    & skf21("3","1","6","6","7","6","3","1") = "6"
    & skf21("3","1","6","6","7","6","4","1") = "6"
    & skf21("3","1","6","6","7","6","5","1") = "6"
    & skf21("3","1","6","6","7","6","6","1") = "6"
    & skf21("3","1","6","6","7","6","7","1") = "6"
    & skf21("3","1","6","6","7","7","1","1") = "6"
    & skf21("3","1","6","6","7","7","2","1") = "6"
    & skf21("3","1","6","6","7","7","3","1") = "6"
    & skf21("3","1","6","6","7","7","4","1") = "6"
    & skf21("3","1","6","6","7","7","5","1") = "6"
    & skf21("3","1","6","6","7","7","6","1") = "6"
    & skf21("3","1","6","6","7","7","7","1") = "6"
    & skf21("3","1","6","7","1","1","1","1") = "6"
    & skf21("3","1","6","7","1","1","2","1") = "6"
    & skf21("3","1","6","7","1","1","3","1") = "6"
    & skf21("3","1","6","7","1","1","4","1") = "6"
    & skf21("3","1","6","7","1","1","5","1") = "6"
    & skf21("3","1","6","7","1","1","6","1") = "6"
    & skf21("3","1","6","7","1","1","7","1") = "6"
    & skf21("3","1","6","7","1","2","1","1") = "6"
    & skf21("3","1","6","7","1","2","2","1") = "6"
    & skf21("3","1","6","7","1","2","3","1") = "6"
    & skf21("3","1","6","7","1","2","4","1") = "6"
    & skf21("3","1","6","7","1","2","5","1") = "6"
    & skf21("3","1","6","7","1","2","6","1") = "6"
    & skf21("3","1","6","7","1","2","7","1") = "6"
    & skf21("3","1","6","7","1","3","1","1") = "6"
    & skf21("3","1","6","7","1","3","2","1") = "6"
    & skf21("3","1","6","7","1","3","3","1") = "6"
    & skf21("3","1","6","7","1","3","4","1") = "6"
    & skf21("3","1","6","7","1","3","5","1") = "6"
    & skf21("3","1","6","7","1","3","6","1") = "6"
    & skf21("3","1","6","7","1","3","7","1") = "6"
    & skf21("3","1","6","7","1","4","1","1") = "6"
    & skf21("3","1","6","7","1","4","2","1") = "6"
    & skf21("3","1","6","7","1","4","3","1") = "6"
    & skf21("3","1","6","7","1","4","4","1") = "6"
    & skf21("3","1","6","7","1","4","5","1") = "6"
    & skf21("3","1","6","7","1","4","6","1") = "6"
    & skf21("3","1","6","7","1","4","7","1") = "6"
    & skf21("3","1","6","7","1","5","1","1") = "6"
    & skf21("3","1","6","7","1","5","2","1") = "6"
    & skf21("3","1","6","7","1","5","3","1") = "6"
    & skf21("3","1","6","7","1","5","4","1") = "6"
    & skf21("3","1","6","7","1","5","5","1") = "6"
    & skf21("3","1","6","7","1","5","6","1") = "6"
    & skf21("3","1","6","7","1","5","7","1") = "6"
    & skf21("3","1","6","7","1","6","1","1") = "6"
    & skf21("3","1","6","7","1","6","2","1") = "6"
    & skf21("3","1","6","7","1","6","3","1") = "6"
    & skf21("3","1","6","7","1","6","4","1") = "6"
    & skf21("3","1","6","7","1","6","5","1") = "6"
    & skf21("3","1","6","7","1","6","6","1") = "6"
    & skf21("3","1","6","7","1","6","7","1") = "6"
    & skf21("3","1","6","7","1","7","1","1") = "6"
    & skf21("3","1","6","7","1","7","2","1") = "6"
    & skf21("3","1","6","7","1","7","3","1") = "6"
    & skf21("3","1","6","7","1","7","4","1") = "6"
    & skf21("3","1","6","7","1","7","5","1") = "6"
    & skf21("3","1","6","7","1","7","6","1") = "6"
    & skf21("3","1","6","7","1","7","7","1") = "6"
    & skf21("3","1","6","7","2","1","1","1") = "6"
    & skf21("3","1","6","7","2","1","2","1") = "6"
    & skf21("3","1","6","7","2","1","3","1") = "6"
    & skf21("3","1","6","7","2","1","4","1") = "6"
    & skf21("3","1","6","7","2","1","5","1") = "6"
    & skf21("3","1","6","7","2","1","6","1") = "6"
    & skf21("3","1","6","7","2","1","7","1") = "6"
    & skf21("3","1","6","7","2","2","1","1") = "6"
    & skf21("3","1","6","7","2","2","2","1") = "6"
    & skf21("3","1","6","7","2","2","3","1") = "6"
    & skf21("3","1","6","7","2","2","4","1") = "6"
    & skf21("3","1","6","7","2","2","5","1") = "6"
    & skf21("3","1","6","7","2","2","6","1") = "6"
    & skf21("3","1","6","7","2","2","7","1") = "6"
    & skf21("3","1","6","7","2","3","1","1") = "6"
    & skf21("3","1","6","7","2","3","2","1") = "6"
    & skf21("3","1","6","7","2","3","3","1") = "6"
    & skf21("3","1","6","7","2","3","4","1") = "6"
    & skf21("3","1","6","7","2","3","5","1") = "6"
    & skf21("3","1","6","7","2","3","6","1") = "6"
    & skf21("3","1","6","7","2","3","7","1") = "6"
    & skf21("3","1","6","7","2","4","1","1") = "6"
    & skf21("3","1","6","7","2","4","2","1") = "6"
    & skf21("3","1","6","7","2","4","3","1") = "6"
    & skf21("3","1","6","7","2","4","4","1") = "6"
    & skf21("3","1","6","7","2","4","5","1") = "6"
    & skf21("3","1","6","7","2","4","6","1") = "6"
    & skf21("3","1","6","7","2","4","7","1") = "6"
    & skf21("3","1","6","7","2","5","1","1") = "6"
    & skf21("3","1","6","7","2","5","2","1") = "6"
    & skf21("3","1","6","7","2","5","3","1") = "6"
    & skf21("3","1","6","7","2","5","4","1") = "6"
    & skf21("3","1","6","7","2","5","5","1") = "6"
    & skf21("3","1","6","7","2","5","6","1") = "6"
    & skf21("3","1","6","7","2","5","7","1") = "6"
    & skf21("3","1","6","7","2","6","1","1") = "6"
    & skf21("3","1","6","7","2","6","2","1") = "6"
    & skf21("3","1","6","7","2","6","3","1") = "6"
    & skf21("3","1","6","7","2","6","4","1") = "6"
    & skf21("3","1","6","7","2","6","5","1") = "6"
    & skf21("3","1","6","7","2","6","6","1") = "6"
    & skf21("3","1","6","7","2","6","7","1") = "6"
    & skf21("3","1","6","7","2","7","1","1") = "6"
    & skf21("3","1","6","7","2","7","2","1") = "6"
    & skf21("3","1","6","7","2","7","3","1") = "6"
    & skf21("3","1","6","7","2","7","4","1") = "6"
    & skf21("3","1","6","7","2","7","5","1") = "6"
    & skf21("3","1","6","7","2","7","6","1") = "6"
    & skf21("3","1","6","7","2","7","7","1") = "6"
    & skf21("3","1","6","7","3","1","1","1") = "6"
    & skf21("3","1","6","7","3","1","2","1") = "6"
    & skf21("3","1","6","7","3","1","3","1") = "6"
    & skf21("3","1","6","7","3","1","4","1") = "6"
    & skf21("3","1","6","7","3","1","5","1") = "6"
    & skf21("3","1","6","7","3","1","6","1") = "6"
    & skf21("3","1","6","7","3","1","7","1") = "6"
    & skf21("3","1","6","7","3","2","1","1") = "6"
    & skf21("3","1","6","7","3","2","2","1") = "6"
    & skf21("3","1","6","7","3","2","3","1") = "6"
    & skf21("3","1","6","7","3","2","4","1") = "6"
    & skf21("3","1","6","7","3","2","5","1") = "6"
    & skf21("3","1","6","7","3","2","6","1") = "6"
    & skf21("3","1","6","7","3","2","7","1") = "6"
    & skf21("3","1","6","7","3","3","1","1") = "6"
    & skf21("3","1","6","7","3","3","2","1") = "6"
    & skf21("3","1","6","7","3","3","3","1") = "6"
    & skf21("3","1","6","7","3","3","4","1") = "6"
    & skf21("3","1","6","7","3","3","5","1") = "6"
    & skf21("3","1","6","7","3","3","6","1") = "6"
    & skf21("3","1","6","7","3","3","7","1") = "6"
    & skf21("3","1","6","7","3","4","1","1") = "6"
    & skf21("3","1","6","7","3","4","2","1") = "6"
    & skf21("3","1","6","7","3","4","3","1") = "6"
    & skf21("3","1","6","7","3","4","4","1") = "6"
    & skf21("3","1","6","7","3","4","5","1") = "6"
    & skf21("3","1","6","7","3","4","6","1") = "6"
    & skf21("3","1","6","7","3","4","7","1") = "6"
    & skf21("3","1","6","7","3","5","1","1") = "6"
    & skf21("3","1","6","7","3","5","2","1") = "6"
    & skf21("3","1","6","7","3","5","3","1") = "6"
    & skf21("3","1","6","7","3","5","4","1") = "6"
    & skf21("3","1","6","7","3","5","5","1") = "6"
    & skf21("3","1","6","7","3","5","6","1") = "6"
    & skf21("3","1","6","7","3","5","7","1") = "6"
    & skf21("3","1","6","7","3","6","1","1") = "6"
    & skf21("3","1","6","7","3","6","2","1") = "6"
    & skf21("3","1","6","7","3","6","3","1") = "6"
    & skf21("3","1","6","7","3","6","4","1") = "6"
    & skf21("3","1","6","7","3","6","5","1") = "6"
    & skf21("3","1","6","7","3","6","6","1") = "6"
    & skf21("3","1","6","7","3","6","7","1") = "6"
    & skf21("3","1","6","7","3","7","1","1") = "6"
    & skf21("3","1","6","7","3","7","2","1") = "6"
    & skf21("3","1","6","7","3","7","3","1") = "6"
    & skf21("3","1","6","7","3","7","4","1") = "6"
    & skf21("3","1","6","7","3","7","5","1") = "6"
    & skf21("3","1","6","7","3","7","6","1") = "6"
    & skf21("3","1","6","7","3","7","7","1") = "6"
    & skf21("3","1","6","7","4","1","1","1") = "6"
    & skf21("3","1","6","7","4","1","2","1") = "6"
    & skf21("3","1","6","7","4","1","3","1") = "6"
    & skf21("3","1","6","7","4","1","4","1") = "6"
    & skf21("3","1","6","7","4","1","5","1") = "6"
    & skf21("3","1","6","7","4","1","6","1") = "6"
    & skf21("3","1","6","7","4","1","7","1") = "6"
    & skf21("3","1","6","7","4","2","1","1") = "6"
    & skf21("3","1","6","7","4","2","2","1") = "6"
    & skf21("3","1","6","7","4","2","3","1") = "6"
    & skf21("3","1","6","7","4","2","4","1") = "6"
    & skf21("3","1","6","7","4","2","5","1") = "6"
    & skf21("3","1","6","7","4","2","6","1") = "6"
    & skf21("3","1","6","7","4","2","7","1") = "6"
    & skf21("3","1","6","7","4","3","1","1") = "6"
    & skf21("3","1","6","7","4","3","2","1") = "6"
    & skf21("3","1","6","7","4","3","3","1") = "6"
    & skf21("3","1","6","7","4","3","4","1") = "6"
    & skf21("3","1","6","7","4","3","5","1") = "6"
    & skf21("3","1","6","7","4","3","6","1") = "6"
    & skf21("3","1","6","7","4","3","7","1") = "6"
    & skf21("3","1","6","7","4","4","1","1") = "6"
    & skf21("3","1","6","7","4","4","2","1") = "6"
    & skf21("3","1","6","7","4","4","3","1") = "6"
    & skf21("3","1","6","7","4","4","4","1") = "6"
    & skf21("3","1","6","7","4","4","5","1") = "6"
    & skf21("3","1","6","7","4","4","6","1") = "6"
    & skf21("3","1","6","7","4","4","7","1") = "6"
    & skf21("3","1","6","7","4","5","1","1") = "6"
    & skf21("3","1","6","7","4","5","2","1") = "6"
    & skf21("3","1","6","7","4","5","3","1") = "6"
    & skf21("3","1","6","7","4","5","4","1") = "6"
    & skf21("3","1","6","7","4","5","5","1") = "6"
    & skf21("3","1","6","7","4","5","6","1") = "6"
    & skf21("3","1","6","7","4","5","7","1") = "6"
    & skf21("3","1","6","7","4","6","1","1") = "6"
    & skf21("3","1","6","7","4","6","2","1") = "6"
    & skf21("3","1","6","7","4","6","3","1") = "6"
    & skf21("3","1","6","7","4","6","4","1") = "6"
    & skf21("3","1","6","7","4","6","5","1") = "6"
    & skf21("3","1","6","7","4","6","6","1") = "6"
    & skf21("3","1","6","7","4","6","7","1") = "6"
    & skf21("3","1","6","7","4","7","1","1") = "6"
    & skf21("3","1","6","7","4","7","2","1") = "6"
    & skf21("3","1","6","7","4","7","3","1") = "6"
    & skf21("3","1","6","7","4","7","4","1") = "6"
    & skf21("3","1","6","7","4","7","5","1") = "6"
    & skf21("3","1","6","7","4","7","6","1") = "6"
    & skf21("3","1","6","7","4","7","7","1") = "6"
    & skf21("3","1","6","7","5","1","1","1") = "6"
    & skf21("3","1","6","7","5","1","2","1") = "6"
    & skf21("3","1","6","7","5","1","3","1") = "6"
    & skf21("3","1","6","7","5","1","4","1") = "6"
    & skf21("3","1","6","7","5","1","5","1") = "6"
    & skf21("3","1","6","7","5","1","6","1") = "6"
    & skf21("3","1","6","7","5","1","7","1") = "6"
    & skf21("3","1","6","7","5","2","1","1") = "6"
    & skf21("3","1","6","7","5","2","2","1") = "6"
    & skf21("3","1","6","7","5","2","3","1") = "6"
    & skf21("3","1","6","7","5","2","4","1") = "6"
    & skf21("3","1","6","7","5","2","5","1") = "6"
    & skf21("3","1","6","7","5","2","6","1") = "6"
    & skf21("3","1","6","7","5","2","7","1") = "6"
    & skf21("3","1","6","7","5","3","1","1") = "6"
    & skf21("3","1","6","7","5","3","2","1") = "6"
    & skf21("3","1","6","7","5","3","3","1") = "6"
    & skf21("3","1","6","7","5","3","4","1") = "6"
    & skf21("3","1","6","7","5","3","5","1") = "6"
    & skf21("3","1","6","7","5","3","6","1") = "6"
    & skf21("3","1","6","7","5","3","7","1") = "6"
    & skf21("3","1","6","7","5","4","1","1") = "6"
    & skf21("3","1","6","7","5","4","2","1") = "6"
    & skf21("3","1","6","7","5","4","3","1") = "6"
    & skf21("3","1","6","7","5","4","4","1") = "6"
    & skf21("3","1","6","7","5","4","5","1") = "6"
    & skf21("3","1","6","7","5","4","6","1") = "6"
    & skf21("3","1","6","7","5","4","7","1") = "6"
    & skf21("3","1","6","7","5","5","1","1") = "6"
    & skf21("3","1","6","7","5","5","2","1") = "6"
    & skf21("3","1","6","7","5","5","3","1") = "6"
    & skf21("3","1","6","7","5","5","4","1") = "6"
    & skf21("3","1","6","7","5","5","5","1") = "6"
    & skf21("3","1","6","7","5","5","6","1") = "6"
    & skf21("3","1","6","7","5","5","7","1") = "6"
    & skf21("3","1","6","7","5","6","1","1") = "6"
    & skf21("3","1","6","7","5","6","2","1") = "6"
    & skf21("3","1","6","7","5","6","3","1") = "6"
    & skf21("3","1","6","7","5","6","4","1") = "6"
    & skf21("3","1","6","7","5","6","5","1") = "6"
    & skf21("3","1","6","7","5","6","6","1") = "6"
    & skf21("3","1","6","7","5","6","7","1") = "6"
    & skf21("3","1","6","7","5","7","1","1") = "6"
    & skf21("3","1","6","7","5","7","2","1") = "6"
    & skf21("3","1","6","7","5","7","3","1") = "6"
    & skf21("3","1","6","7","5","7","4","1") = "6"
    & skf21("3","1","6","7","5","7","5","1") = "6"
    & skf21("3","1","6","7","5","7","6","1") = "6"
    & skf21("3","1","6","7","5","7","7","1") = "6"
    & skf21("3","1","6","7","6","1","1","1") = "6"
    & skf21("3","1","6","7","6","1","2","1") = "6"
    & skf21("3","1","6","7","6","1","3","1") = "6"
    & skf21("3","1","6","7","6","1","4","1") = "6"
    & skf21("3","1","6","7","6","1","5","1") = "6"
    & skf21("3","1","6","7","6","1","6","1") = "6"
    & skf21("3","1","6","7","6","1","7","1") = "6"
    & skf21("3","1","6","7","6","2","1","1") = "6"
    & skf21("3","1","6","7","6","2","2","1") = "6"
    & skf21("3","1","6","7","6","2","3","1") = "6"
    & skf21("3","1","6","7","6","2","4","1") = "6"
    & skf21("3","1","6","7","6","2","5","1") = "6"
    & skf21("3","1","6","7","6","2","6","1") = "6"
    & skf21("3","1","6","7","6","2","7","1") = "6"
    & skf21("3","1","6","7","6","3","1","1") = "6"
    & skf21("3","1","6","7","6","3","2","1") = "6"
    & skf21("3","1","6","7","6","3","3","1") = "6"
    & skf21("3","1","6","7","6","3","4","1") = "6"
    & skf21("3","1","6","7","6","3","5","1") = "6"
    & skf21("3","1","6","7","6","3","6","1") = "6"
    & skf21("3","1","6","7","6","3","7","1") = "6"
    & skf21("3","1","6","7","6","4","1","1") = "6"
    & skf21("3","1","6","7","6","4","2","1") = "6"
    & skf21("3","1","6","7","6","4","3","1") = "6"
    & skf21("3","1","6","7","6","4","4","1") = "6"
    & skf21("3","1","6","7","6","4","5","1") = "6"
    & skf21("3","1","6","7","6","4","6","1") = "6"
    & skf21("3","1","6","7","6","4","7","1") = "6"
    & skf21("3","1","6","7","6","5","1","1") = "6"
    & skf21("3","1","6","7","6","5","2","1") = "6"
    & skf21("3","1","6","7","6","5","3","1") = "6"
    & skf21("3","1","6","7","6","5","4","1") = "6"
    & skf21("3","1","6","7","6","5","5","1") = "6"
    & skf21("3","1","6","7","6","5","6","1") = "6"
    & skf21("3","1","6","7","6","5","7","1") = "6"
    & skf21("3","1","6","7","6","6","1","1") = "6"
    & skf21("3","1","6","7","6","6","2","1") = "6"
    & skf21("3","1","6","7","6","6","3","1") = "6"
    & skf21("3","1","6","7","6","6","4","1") = "6"
    & skf21("3","1","6","7","6","6","5","1") = "6"
    & skf21("3","1","6","7","6","6","6","1") = "6"
    & skf21("3","1","6","7","6","6","7","1") = "6"
    & skf21("3","1","6","7","6","7","1","1") = "6"
    & skf21("3","1","6","7","6","7","2","1") = "6"
    & skf21("3","1","6","7","6","7","3","1") = "6"
    & skf21("3","1","6","7","6","7","4","1") = "6"
    & skf21("3","1","6","7","6","7","5","1") = "6"
    & skf21("3","1","6","7","6","7","6","1") = "6"
    & skf21("3","1","6","7","6","7","7","1") = "6"
    & skf21("3","1","6","7","7","1","1","1") = "6"
    & skf21("3","1","6","7","7","1","2","1") = "6"
    & skf21("3","1","6","7","7","1","3","1") = "6"
    & skf21("3","1","6","7","7","1","4","1") = "6"
    & skf21("3","1","6","7","7","1","5","1") = "6"
    & skf21("3","1","6","7","7","1","6","1") = "6"
    & skf21("3","1","6","7","7","1","7","1") = "6"
    & skf21("3","1","6","7","7","2","1","1") = "6"
    & skf21("3","1","6","7","7","2","2","1") = "6"
    & skf21("3","1","6","7","7","2","3","1") = "6"
    & skf21("3","1","6","7","7","2","4","1") = "6"
    & skf21("3","1","6","7","7","2","5","1") = "6"
    & skf21("3","1","6","7","7","2","6","1") = "6"
    & skf21("3","1","6","7","7","2","7","1") = "6"
    & skf21("3","1","6","7","7","3","1","1") = "6"
    & skf21("3","1","6","7","7","3","2","1") = "6"
    & skf21("3","1","6","7","7","3","3","1") = "6"
    & skf21("3","1","6","7","7","3","4","1") = "6"
    & skf21("3","1","6","7","7","3","5","1") = "6"
    & skf21("3","1","6","7","7","3","6","1") = "6"
    & skf21("3","1","6","7","7","3","7","1") = "6"
    & skf21("3","1","6","7","7","4","1","1") = "6"
    & skf21("3","1","6","7","7","4","2","1") = "6"
    & skf21("3","1","6","7","7","4","3","1") = "6"
    & skf21("3","1","6","7","7","4","4","1") = "6"
    & skf21("3","1","6","7","7","4","5","1") = "6"
    & skf21("3","1","6","7","7","4","6","1") = "6"
    & skf21("3","1","6","7","7","4","7","1") = "6"
    & skf21("3","1","6","7","7","5","1","1") = "6"
    & skf21("3","1","6","7","7","5","2","1") = "6"
    & skf21("3","1","6","7","7","5","3","1") = "6"
    & skf21("3","1","6","7","7","5","4","1") = "6"
    & skf21("3","1","6","7","7","5","5","1") = "6"
    & skf21("3","1","6","7","7","5","6","1") = "6"
    & skf21("3","1","6","7","7","5","7","1") = "6"
    & skf21("3","1","6","7","7","6","1","1") = "6"
    & skf21("3","1","6","7","7","6","2","1") = "6"
    & skf21("3","1","6","7","7","6","3","1") = "6"
    & skf21("3","1","6","7","7","6","4","1") = "6"
    & skf21("3","1","6","7","7","6","5","1") = "6"
    & skf21("3","1","6","7","7","6","6","1") = "6"
    & skf21("3","1","6","7","7","6","7","1") = "6"
    & skf21("3","1","6","7","7","7","1","1") = "6"
    & skf21("3","1","6","7","7","7","2","1") = "6"
    & skf21("3","1","6","7","7","7","3","1") = "6"
    & skf21("3","1","6","7","7","7","4","1") = "6"
    & skf21("3","1","6","7","7","7","5","1") = "6"
    & skf21("3","1","6","7","7","7","6","1") = "6"
    & skf21("3","1","6","7","7","7","7","1") = "6"
    & skf21("3","1","7","1","1","1","1","1") = "6"
    & skf21("3","1","7","1","1","1","2","1") = "6"
    & skf21("3","1","7","1","1","1","3","1") = "6"
    & skf21("3","1","7","1","1","1","4","1") = "6"
    & skf21("3","1","7","1","1","1","5","1") = "6"
    & skf21("3","1","7","1","1","1","6","1") = "6"
    & skf21("3","1","7","1","1","1","7","1") = "6"
    & skf21("3","1","7","1","1","2","1","1") = "6"
    & skf21("3","1","7","1","1","2","2","1") = "6"
    & skf21("3","1","7","1","1","2","3","1") = "6"
    & skf21("3","1","7","1","1","2","4","1") = "6"
    & skf21("3","1","7","1","1","2","5","1") = "6"
    & skf21("3","1","7","1","1","2","6","1") = "6"
    & skf21("3","1","7","1","1","2","7","1") = "6"
    & skf21("3","1","7","1","1","3","1","1") = "6"
    & skf21("3","1","7","1","1","3","2","1") = "6"
    & skf21("3","1","7","1","1","3","3","1") = "6"
    & skf21("3","1","7","1","1","3","4","1") = "6"
    & skf21("3","1","7","1","1","3","5","1") = "6"
    & skf21("3","1","7","1","1","3","6","1") = "6"
    & skf21("3","1","7","1","1","3","7","1") = "6"
    & skf21("3","1","7","1","1","4","1","1") = "6"
    & skf21("3","1","7","1","1","4","2","1") = "6"
    & skf21("3","1","7","1","1","4","3","1") = "6"
    & skf21("3","1","7","1","1","4","4","1") = "6"
    & skf21("3","1","7","1","1","4","5","1") = "6"
    & skf21("3","1","7","1","1","4","6","1") = "6"
    & skf21("3","1","7","1","1","4","7","1") = "6"
    & skf21("3","1","7","1","1","5","1","1") = "6"
    & skf21("3","1","7","1","1","5","2","1") = "6"
    & skf21("3","1","7","1","1","5","3","1") = "6"
    & skf21("3","1","7","1","1","5","4","1") = "6"
    & skf21("3","1","7","1","1","5","5","1") = "6"
    & skf21("3","1","7","1","1","5","6","1") = "6"
    & skf21("3","1","7","1","1","5","7","1") = "6"
    & skf21("3","1","7","1","1","6","1","1") = "6"
    & skf21("3","1","7","1","1","6","2","1") = "6"
    & skf21("3","1","7","1","1","6","3","1") = "6"
    & skf21("3","1","7","1","1","6","4","1") = "6"
    & skf21("3","1","7","1","1","6","5","1") = "6"
    & skf21("3","1","7","1","1","6","6","1") = "6"
    & skf21("3","1","7","1","1","6","7","1") = "6"
    & skf21("3","1","7","1","1","7","1","1") = "6"
    & skf21("3","1","7","1","1","7","2","1") = "6"
    & skf21("3","1","7","1","1","7","3","1") = "6"
    & skf21("3","1","7","1","1","7","4","1") = "6"
    & skf21("3","1","7","1","1","7","5","1") = "6"
    & skf21("3","1","7","1","1","7","6","1") = "6"
    & skf21("3","1","7","1","1","7","7","1") = "6"
    & skf21("3","1","7","1","2","1","1","1") = "6"
    & skf21("3","1","7","1","2","1","2","1") = "6"
    & skf21("3","1","7","1","2","1","3","1") = "6"
    & skf21("3","1","7","1","2","1","4","1") = "6"
    & skf21("3","1","7","1","2","1","5","1") = "6"
    & skf21("3","1","7","1","2","1","6","1") = "6"
    & skf21("3","1","7","1","2","1","7","1") = "6"
    & skf21("3","1","7","1","2","2","1","1") = "6"
    & skf21("3","1","7","1","2","2","2","1") = "6"
    & skf21("3","1","7","1","2","2","3","1") = "6"
    & skf21("3","1","7","1","2","2","4","1") = "6"
    & skf21("3","1","7","1","2","2","5","1") = "6"
    & skf21("3","1","7","1","2","2","6","1") = "6"
    & skf21("3","1","7","1","2","2","7","1") = "6"
    & skf21("3","1","7","1","2","3","1","1") = "6"
    & skf21("3","1","7","1","2","3","2","1") = "6"
    & skf21("3","1","7","1","2","3","3","1") = "6"
    & skf21("3","1","7","1","2","3","4","1") = "6"
    & skf21("3","1","7","1","2","3","5","1") = "6"
    & skf21("3","1","7","1","2","3","6","1") = "6"
    & skf21("3","1","7","1","2","3","7","1") = "6"
    & skf21("3","1","7","1","2","4","1","1") = "6"
    & skf21("3","1","7","1","2","4","2","1") = "6"
    & skf21("3","1","7","1","2","4","3","1") = "6"
    & skf21("3","1","7","1","2","4","4","1") = "6"
    & skf21("3","1","7","1","2","4","5","1") = "6"
    & skf21("3","1","7","1","2","4","6","1") = "6"
    & skf21("3","1","7","1","2","4","7","1") = "6"
    & skf21("3","1","7","1","2","5","1","1") = "6"
    & skf21("3","1","7","1","2","5","2","1") = "6"
    & skf21("3","1","7","1","2","5","3","1") = "6"
    & skf21("3","1","7","1","2","5","4","1") = "6"
    & skf21("3","1","7","1","2","5","5","1") = "6"
    & skf21("3","1","7","1","2","5","6","1") = "6"
    & skf21("3","1","7","1","2","5","7","1") = "6"
    & skf21("3","1","7","1","2","6","1","1") = "6"
    & skf21("3","1","7","1","2","6","2","1") = "6"
    & skf21("3","1","7","1","2","6","3","1") = "6"
    & skf21("3","1","7","1","2","6","4","1") = "6"
    & skf21("3","1","7","1","2","6","5","1") = "6"
    & skf21("3","1","7","1","2","6","6","1") = "6"
    & skf21("3","1","7","1","2","6","7","1") = "6"
    & skf21("3","1","7","1","2","7","1","1") = "6"
    & skf21("3","1","7","1","2","7","2","1") = "6"
    & skf21("3","1","7","1","2","7","3","1") = "6"
    & skf21("3","1","7","1","2","7","4","1") = "6"
    & skf21("3","1","7","1","2","7","5","1") = "6"
    & skf21("3","1","7","1","2","7","6","1") = "6"
    & skf21("3","1","7","1","2","7","7","1") = "6"
    & skf21("3","1","7","1","3","1","1","1") = "6"
    & skf21("3","1","7","1","3","1","2","1") = "6"
    & skf21("3","1","7","1","3","1","3","1") = "6"
    & skf21("3","1","7","1","3","1","4","1") = "6"
    & skf21("3","1","7","1","3","1","5","1") = "6"
    & skf21("3","1","7","1","3","1","6","1") = "6"
    & skf21("3","1","7","1","3","1","7","1") = "6"
    & skf21("3","1","7","1","3","2","1","1") = "6"
    & skf21("3","1","7","1","3","2","2","1") = "6"
    & skf21("3","1","7","1","3","2","3","1") = "6"
    & skf21("3","1","7","1","3","2","4","1") = "6"
    & skf21("3","1","7","1","3","2","5","1") = "6"
    & skf21("3","1","7","1","3","2","6","1") = "6"
    & skf21("3","1","7","1","3","2","7","1") = "6"
    & skf21("3","1","7","1","3","3","1","1") = "6"
    & skf21("3","1","7","1","3","3","2","1") = "6"
    & skf21("3","1","7","1","3","3","3","1") = "6"
    & skf21("3","1","7","1","3","3","4","1") = "6"
    & skf21("3","1","7","1","3","3","5","1") = "6"
    & skf21("3","1","7","1","3","3","6","1") = "6"
    & skf21("3","1","7","1","3","3","7","1") = "6"
    & skf21("3","1","7","1","3","4","1","1") = "6"
    & skf21("3","1","7","1","3","4","2","1") = "6"
    & skf21("3","1","7","1","3","4","3","1") = "6"
    & skf21("3","1","7","1","3","4","4","1") = "6"
    & skf21("3","1","7","1","3","4","5","1") = "6"
    & skf21("3","1","7","1","3","4","6","1") = "6"
    & skf21("3","1","7","1","3","4","7","1") = "6"
    & skf21("3","1","7","1","3","5","1","1") = "6"
    & skf21("3","1","7","1","3","5","2","1") = "6"
    & skf21("3","1","7","1","3","5","3","1") = "6"
    & skf21("3","1","7","1","3","5","4","1") = "6"
    & skf21("3","1","7","1","3","5","5","1") = "6"
    & skf21("3","1","7","1","3","5","6","1") = "6"
    & skf21("3","1","7","1","3","5","7","1") = "6"
    & skf21("3","1","7","1","3","6","1","1") = "6"
    & skf21("3","1","7","1","3","6","2","1") = "6"
    & skf21("3","1","7","1","3","6","3","1") = "6"
    & skf21("3","1","7","1","3","6","4","1") = "6"
    & skf21("3","1","7","1","3","6","5","1") = "6"
    & skf21("3","1","7","1","3","6","6","1") = "6"
    & skf21("3","1","7","1","3","6","7","1") = "6"
    & skf21("3","1","7","1","3","7","1","1") = "6"
    & skf21("3","1","7","1","3","7","2","1") = "6"
    & skf21("3","1","7","1","3","7","3","1") = "6"
    & skf21("3","1","7","1","3","7","4","1") = "6"
    & skf21("3","1","7","1","3","7","5","1") = "6"
    & skf21("3","1","7","1","3","7","6","1") = "6"
    & skf21("3","1","7","1","3","7","7","1") = "6"
    & skf21("3","1","7","1","4","1","1","1") = "6"
    & skf21("3","1","7","1","4","1","2","1") = "6"
    & skf21("3","1","7","1","4","1","3","1") = "6"
    & skf21("3","1","7","1","4","1","4","1") = "6"
    & skf21("3","1","7","1","4","1","5","1") = "6"
    & skf21("3","1","7","1","4","1","6","1") = "6"
    & skf21("3","1","7","1","4","1","7","1") = "6"
    & skf21("3","1","7","1","4","2","1","1") = "6"
    & skf21("3","1","7","1","4","2","2","1") = "6"
    & skf21("3","1","7","1","4","2","3","1") = "6"
    & skf21("3","1","7","1","4","2","4","1") = "6"
    & skf21("3","1","7","1","4","2","5","1") = "6"
    & skf21("3","1","7","1","4","2","6","1") = "6"
    & skf21("3","1","7","1","4","2","7","1") = "6"
    & skf21("3","1","7","1","4","3","1","1") = "6"
    & skf21("3","1","7","1","4","3","2","1") = "6"
    & skf21("3","1","7","1","4","3","3","1") = "6"
    & skf21("3","1","7","1","4","3","4","1") = "6"
    & skf21("3","1","7","1","4","3","5","1") = "6"
    & skf21("3","1","7","1","4","3","6","1") = "6"
    & skf21("3","1","7","1","4","3","7","1") = "6"
    & skf21("3","1","7","1","4","4","1","1") = "6"
    & skf21("3","1","7","1","4","4","2","1") = "6"
    & skf21("3","1","7","1","4","4","3","1") = "6"
    & skf21("3","1","7","1","4","4","4","1") = "6"
    & skf21("3","1","7","1","4","4","5","1") = "6"
    & skf21("3","1","7","1","4","4","6","1") = "6"
    & skf21("3","1","7","1","4","4","7","1") = "6"
    & skf21("3","1","7","1","4","5","1","1") = "6"
    & skf21("3","1","7","1","4","5","2","1") = "6"
    & skf21("3","1","7","1","4","5","3","1") = "6"
    & skf21("3","1","7","1","4","5","4","1") = "6"
    & skf21("3","1","7","1","4","5","5","1") = "6"
    & skf21("3","1","7","1","4","5","6","1") = "6"
    & skf21("3","1","7","1","4","5","7","1") = "6"
    & skf21("3","1","7","1","4","6","1","1") = "6"
    & skf21("3","1","7","1","4","6","2","1") = "6"
    & skf21("3","1","7","1","4","6","3","1") = "6"
    & skf21("3","1","7","1","4","6","4","1") = "6"
    & skf21("3","1","7","1","4","6","5","1") = "6"
    & skf21("3","1","7","1","4","6","6","1") = "6"
    & skf21("3","1","7","1","4","6","7","1") = "6"
    & skf21("3","1","7","1","4","7","1","1") = "6"
    & skf21("3","1","7","1","4","7","2","1") = "6"
    & skf21("3","1","7","1","4","7","3","1") = "6"
    & skf21("3","1","7","1","4","7","4","1") = "6"
    & skf21("3","1","7","1","4","7","5","1") = "6"
    & skf21("3","1","7","1","4","7","6","1") = "6"
    & skf21("3","1","7","1","4","7","7","1") = "6"
    & skf21("3","1","7","1","5","1","1","1") = "6"
    & skf21("3","1","7","1","5","1","2","1") = "6"
    & skf21("3","1","7","1","5","1","3","1") = "6"
    & skf21("3","1","7","1","5","1","4","1") = "6"
    & skf21("3","1","7","1","5","1","5","1") = "6"
    & skf21("3","1","7","1","5","1","6","1") = "6"
    & skf21("3","1","7","1","5","1","7","1") = "6"
    & skf21("3","1","7","1","5","2","1","1") = "6"
    & skf21("3","1","7","1","5","2","2","1") = "6"
    & skf21("3","1","7","1","5","2","3","1") = "6"
    & skf21("3","1","7","1","5","2","4","1") = "6"
    & skf21("3","1","7","1","5","2","5","1") = "6"
    & skf21("3","1","7","1","5","2","6","1") = "6"
    & skf21("3","1","7","1","5","2","7","1") = "6"
    & skf21("3","1","7","1","5","3","1","1") = "6"
    & skf21("3","1","7","1","5","3","2","1") = "6"
    & skf21("3","1","7","1","5","3","3","1") = "6"
    & skf21("3","1","7","1","5","3","4","1") = "6"
    & skf21("3","1","7","1","5","3","5","1") = "6"
    & skf21("3","1","7","1","5","3","6","1") = "6"
    & skf21("3","1","7","1","5","3","7","1") = "6"
    & skf21("3","1","7","1","5","4","1","1") = "6"
    & skf21("3","1","7","1","5","4","2","1") = "6"
    & skf21("3","1","7","1","5","4","3","1") = "6"
    & skf21("3","1","7","1","5","4","4","1") = "6"
    & skf21("3","1","7","1","5","4","5","1") = "6"
    & skf21("3","1","7","1","5","4","6","1") = "6"
    & skf21("3","1","7","1","5","4","7","1") = "6"
    & skf21("3","1","7","1","5","5","1","1") = "6"
    & skf21("3","1","7","1","5","5","2","1") = "6"
    & skf21("3","1","7","1","5","5","3","1") = "6"
    & skf21("3","1","7","1","5","5","4","1") = "6"
    & skf21("3","1","7","1","5","5","5","1") = "6"
    & skf21("3","1","7","1","5","5","6","1") = "6"
    & skf21("3","1","7","1","5","5","7","1") = "6"
    & skf21("3","1","7","1","5","6","1","1") = "6"
    & skf21("3","1","7","1","5","6","2","1") = "6"
    & skf21("3","1","7","1","5","6","3","1") = "6"
    & skf21("3","1","7","1","5","6","4","1") = "6"
    & skf21("3","1","7","1","5","6","5","1") = "6"
    & skf21("3","1","7","1","5","6","6","1") = "6"
    & skf21("3","1","7","1","5","6","7","1") = "6"
    & skf21("3","1","7","1","5","7","1","1") = "6"
    & skf21("3","1","7","1","5","7","2","1") = "6"
    & skf21("3","1","7","1","5","7","3","1") = "6"
    & skf21("3","1","7","1","5","7","4","1") = "6"
    & skf21("3","1","7","1","5","7","5","1") = "6"
    & skf21("3","1","7","1","5","7","6","1") = "6"
    & skf21("3","1","7","1","5","7","7","1") = "6"
    & skf21("3","1","7","1","6","1","1","1") = "6"
    & skf21("3","1","7","1","6","1","2","1") = "6"
    & skf21("3","1","7","1","6","1","3","1") = "6"
    & skf21("3","1","7","1","6","1","4","1") = "6"
    & skf21("3","1","7","1","6","1","5","1") = "6"
    & skf21("3","1","7","1","6","1","6","1") = "6"
    & skf21("3","1","7","1","6","1","7","1") = "6"
    & skf21("3","1","7","1","6","2","1","1") = "6"
    & skf21("3","1","7","1","6","2","2","1") = "6"
    & skf21("3","1","7","1","6","2","3","1") = "6"
    & skf21("3","1","7","1","6","2","4","1") = "6"
    & skf21("3","1","7","1","6","2","5","1") = "6"
    & skf21("3","1","7","1","6","2","6","1") = "6"
    & skf21("3","1","7","1","6","2","7","1") = "6"
    & skf21("3","1","7","1","6","3","1","1") = "6"
    & skf21("3","1","7","1","6","3","2","1") = "6"
    & skf21("3","1","7","1","6","3","3","1") = "6"
    & skf21("3","1","7","1","6","3","4","1") = "6"
    & skf21("3","1","7","1","6","3","5","1") = "6"
    & skf21("3","1","7","1","6","3","6","1") = "6"
    & skf21("3","1","7","1","6","3","7","1") = "6"
    & skf21("3","1","7","1","6","4","1","1") = "6"
    & skf21("3","1","7","1","6","4","2","1") = "6"
    & skf21("3","1","7","1","6","4","3","1") = "6"
    & skf21("3","1","7","1","6","4","4","1") = "6"
    & skf21("3","1","7","1","6","4","5","1") = "6"
    & skf21("3","1","7","1","6","4","6","1") = "6"
    & skf21("3","1","7","1","6","4","7","1") = "6"
    & skf21("3","1","7","1","6","5","1","1") = "6"
    & skf21("3","1","7","1","6","5","2","1") = "6"
    & skf21("3","1","7","1","6","5","3","1") = "6"
    & skf21("3","1","7","1","6","5","4","1") = "6"
    & skf21("3","1","7","1","6","5","5","1") = "6"
    & skf21("3","1","7","1","6","5","6","1") = "6"
    & skf21("3","1","7","1","6","5","7","1") = "6"
    & skf21("3","1","7","1","6","6","1","1") = "6"
    & skf21("3","1","7","1","6","6","2","1") = "6"
    & skf21("3","1","7","1","6","6","3","1") = "6"
    & skf21("3","1","7","1","6","6","4","1") = "6"
    & skf21("3","1","7","1","6","6","5","1") = "6"
    & skf21("3","1","7","1","6","6","6","1") = "6"
    & skf21("3","1","7","1","6","6","7","1") = "6"
    & skf21("3","1","7","1","6","7","1","1") = "6"
    & skf21("3","1","7","1","6","7","2","1") = "6"
    & skf21("3","1","7","1","6","7","3","1") = "6"
    & skf21("3","1","7","1","6","7","4","1") = "6"
    & skf21("3","1","7","1","6","7","5","1") = "6"
    & skf21("3","1","7","1","6","7","6","1") = "6"
    & skf21("3","1","7","1","6","7","7","1") = "6"
    & skf21("3","1","7","1","7","1","1","1") = "6"
    & skf21("3","1","7","1","7","1","2","1") = "6"
    & skf21("3","1","7","1","7","1","3","1") = "6"
    & skf21("3","1","7","1","7","1","4","1") = "6"
    & skf21("3","1","7","1","7","1","5","1") = "6"
    & skf21("3","1","7","1","7","1","6","1") = "6"
    & skf21("3","1","7","1","7","1","7","1") = "6"
    & skf21("3","1","7","1","7","2","1","1") = "6"
    & skf21("3","1","7","1","7","2","2","1") = "6"
    & skf21("3","1","7","1","7","2","3","1") = "6"
    & skf21("3","1","7","1","7","2","4","1") = "6"
    & skf21("3","1","7","1","7","2","5","1") = "6"
    & skf21("3","1","7","1","7","2","6","1") = "6"
    & skf21("3","1","7","1","7","2","7","1") = "6"
    & skf21("3","1","7","1","7","3","1","1") = "6"
    & skf21("3","1","7","1","7","3","2","1") = "6"
    & skf21("3","1","7","1","7","3","3","1") = "6"
    & skf21("3","1","7","1","7","3","4","1") = "6"
    & skf21("3","1","7","1","7","3","5","1") = "6"
    & skf21("3","1","7","1","7","3","6","1") = "6"
    & skf21("3","1","7","1","7","3","7","1") = "6"
    & skf21("3","1","7","1","7","4","1","1") = "6"
    & skf21("3","1","7","1","7","4","2","1") = "6"
    & skf21("3","1","7","1","7","4","3","1") = "6"
    & skf21("3","1","7","1","7","4","4","1") = "6"
    & skf21("3","1","7","1","7","4","5","1") = "6"
    & skf21("3","1","7","1","7","4","6","1") = "6"
    & skf21("3","1","7","1","7","4","7","1") = "6"
    & skf21("3","1","7","1","7","5","1","1") = "6"
    & skf21("3","1","7","1","7","5","2","1") = "6"
    & skf21("3","1","7","1","7","5","3","1") = "6"
    & skf21("3","1","7","1","7","5","4","1") = "6"
    & skf21("3","1","7","1","7","5","5","1") = "6"
    & skf21("3","1","7","1","7","5","6","1") = "6"
    & skf21("3","1","7","1","7","5","7","1") = "6"
    & skf21("3","1","7","1","7","6","1","1") = "6"
    & skf21("3","1","7","1","7","6","2","1") = "6"
    & skf21("3","1","7","1","7","6","3","1") = "6"
    & skf21("3","1","7","1","7","6","4","1") = "6"
    & skf21("3","1","7","1","7","6","5","1") = "6"
    & skf21("3","1","7","1","7","6","6","1") = "6"
    & skf21("3","1","7","1","7","6","7","1") = "6"
    & skf21("3","1","7","1","7","7","1","1") = "6"
    & skf21("3","1","7","1","7","7","2","1") = "6"
    & skf21("3","1","7","1","7","7","3","1") = "6"
    & skf21("3","1","7","1","7","7","4","1") = "6"
    & skf21("3","1","7","1","7","7","5","1") = "6"
    & skf21("3","1","7","1","7","7","6","1") = "6"
    & skf21("3","1","7","1","7","7","7","1") = "6"
    & skf21("3","1","7","2","1","1","1","1") = "6"
    & skf21("3","1","7","2","1","1","2","1") = "6"
    & skf21("3","1","7","2","1","1","3","1") = "6"
    & skf21("3","1","7","2","1","1","4","1") = "6"
    & skf21("3","1","7","2","1","1","5","1") = "6"
    & skf21("3","1","7","2","1","1","6","1") = "6"
    & skf21("3","1","7","2","1","1","7","1") = "6"
    & skf21("3","1","7","2","1","2","1","1") = "6"
    & skf21("3","1","7","2","1","2","2","1") = "6"
    & skf21("3","1","7","2","1","2","3","1") = "6"
    & skf21("3","1","7","2","1","2","4","1") = "6"
    & skf21("3","1","7","2","1","2","5","1") = "6"
    & skf21("3","1","7","2","1","2","6","1") = "6"
    & skf21("3","1","7","2","1","2","7","1") = "6"
    & skf21("3","1","7","2","1","3","1","1") = "6"
    & skf21("3","1","7","2","1","3","2","1") = "6"
    & skf21("3","1","7","2","1","3","3","1") = "6"
    & skf21("3","1","7","2","1","3","4","1") = "6"
    & skf21("3","1","7","2","1","3","5","1") = "6"
    & skf21("3","1","7","2","1","3","6","1") = "6"
    & skf21("3","1","7","2","1","3","7","1") = "6"
    & skf21("3","1","7","2","1","4","1","1") = "6"
    & skf21("3","1","7","2","1","4","2","1") = "6"
    & skf21("3","1","7","2","1","4","3","1") = "6"
    & skf21("3","1","7","2","1","4","4","1") = "6"
    & skf21("3","1","7","2","1","4","5","1") = "6"
    & skf21("3","1","7","2","1","4","6","1") = "6"
    & skf21("3","1","7","2","1","4","7","1") = "6"
    & skf21("3","1","7","2","1","5","1","1") = "6"
    & skf21("3","1","7","2","1","5","2","1") = "6"
    & skf21("3","1","7","2","1","5","3","1") = "6"
    & skf21("3","1","7","2","1","5","4","1") = "6"
    & skf21("3","1","7","2","1","5","5","1") = "6"
    & skf21("3","1","7","2","1","5","6","1") = "6"
    & skf21("3","1","7","2","1","5","7","1") = "6"
    & skf21("3","1","7","2","1","6","1","1") = "6"
    & skf21("3","1","7","2","1","6","2","1") = "6"
    & skf21("3","1","7","2","1","6","3","1") = "6"
    & skf21("3","1","7","2","1","6","4","1") = "6"
    & skf21("3","1","7","2","1","6","5","1") = "6"
    & skf21("3","1","7","2","1","6","6","1") = "6"
    & skf21("3","1","7","2","1","6","7","1") = "6"
    & skf21("3","1","7","2","1","7","1","1") = "6"
    & skf21("3","1","7","2","1","7","2","1") = "6"
    & skf21("3","1","7","2","1","7","3","1") = "6"
    & skf21("3","1","7","2","1","7","4","1") = "6"
    & skf21("3","1","7","2","1","7","5","1") = "6"
    & skf21("3","1","7","2","1","7","6","1") = "6"
    & skf21("3","1","7","2","1","7","7","1") = "6"
    & skf21("3","1","7","2","2","1","1","1") = "6"
    & skf21("3","1","7","2","2","1","2","1") = "6"
    & skf21("3","1","7","2","2","1","3","1") = "6"
    & skf21("3","1","7","2","2","1","4","1") = "6"
    & skf21("3","1","7","2","2","1","5","1") = "6"
    & skf21("3","1","7","2","2","1","6","1") = "6"
    & skf21("3","1","7","2","2","1","7","1") = "6"
    & skf21("3","1","7","2","2","2","1","1") = "6"
    & skf21("3","1","7","2","2","2","2","1") = "6"
    & skf21("3","1","7","2","2","2","3","1") = "6"
    & skf21("3","1","7","2","2","2","4","1") = "6"
    & skf21("3","1","7","2","2","2","5","1") = "6"
    & skf21("3","1","7","2","2","2","6","1") = "6"
    & skf21("3","1","7","2","2","2","7","1") = "6"
    & skf21("3","1","7","2","2","3","1","1") = "6"
    & skf21("3","1","7","2","2","3","2","1") = "6"
    & skf21("3","1","7","2","2","3","3","1") = "6"
    & skf21("3","1","7","2","2","3","4","1") = "6"
    & skf21("3","1","7","2","2","3","5","1") = "6"
    & skf21("3","1","7","2","2","3","6","1") = "6"
    & skf21("3","1","7","2","2","3","7","1") = "6"
    & skf21("3","1","7","2","2","4","1","1") = "6"
    & skf21("3","1","7","2","2","4","2","1") = "6"
    & skf21("3","1","7","2","2","4","3","1") = "6"
    & skf21("3","1","7","2","2","4","4","1") = "6"
    & skf21("3","1","7","2","2","4","5","1") = "6"
    & skf21("3","1","7","2","2","4","6","1") = "6"
    & skf21("3","1","7","2","2","4","7","1") = "6"
    & skf21("3","1","7","2","2","5","1","1") = "6"
    & skf21("3","1","7","2","2","5","2","1") = "6"
    & skf21("3","1","7","2","2","5","3","1") = "6"
    & skf21("3","1","7","2","2","5","4","1") = "6"
    & skf21("3","1","7","2","2","5","5","1") = "6"
    & skf21("3","1","7","2","2","5","6","1") = "6"
    & skf21("3","1","7","2","2","5","7","1") = "6"
    & skf21("3","1","7","2","2","6","1","1") = "6"
    & skf21("3","1","7","2","2","6","2","1") = "6"
    & skf21("3","1","7","2","2","6","3","1") = "6"
    & skf21("3","1","7","2","2","6","4","1") = "6"
    & skf21("3","1","7","2","2","6","5","1") = "6"
    & skf21("3","1","7","2","2","6","6","1") = "6"
    & skf21("3","1","7","2","2","6","7","1") = "6"
    & skf21("3","1","7","2","2","7","1","1") = "6"
    & skf21("3","1","7","2","2","7","2","1") = "6"
    & skf21("3","1","7","2","2","7","3","1") = "6"
    & skf21("3","1","7","2","2","7","4","1") = "6"
    & skf21("3","1","7","2","2","7","5","1") = "6"
    & skf21("3","1","7","2","2","7","6","1") = "6"
    & skf21("3","1","7","2","2","7","7","1") = "6"
    & skf21("3","1","7","2","3","1","1","1") = "6"
    & skf21("3","1","7","2","3","1","2","1") = "6"
    & skf21("3","1","7","2","3","1","3","1") = "6"
    & skf21("3","1","7","2","3","1","4","1") = "6"
    & skf21("3","1","7","2","3","1","5","1") = "6"
    & skf21("3","1","7","2","3","1","6","1") = "6"
    & skf21("3","1","7","2","3","1","7","1") = "6"
    & skf21("3","1","7","2","3","2","1","1") = "6"
    & skf21("3","1","7","2","3","2","2","1") = "6"
    & skf21("3","1","7","2","3","2","3","1") = "6"
    & skf21("3","1","7","2","3","2","4","1") = "6"
    & skf21("3","1","7","2","3","2","5","1") = "6"
    & skf21("3","1","7","2","3","2","6","1") = "6"
    & skf21("3","1","7","2","3","2","7","1") = "6"
    & skf21("3","1","7","2","3","3","1","1") = "6"
    & skf21("3","1","7","2","3","3","2","1") = "6"
    & skf21("3","1","7","2","3","3","3","1") = "6"
    & skf21("3","1","7","2","3","3","4","1") = "6"
    & skf21("3","1","7","2","3","3","5","1") = "6"
    & skf21("3","1","7","2","3","3","6","1") = "6"
    & skf21("3","1","7","2","3","3","7","1") = "6"
    & skf21("3","1","7","2","3","4","1","1") = "6"
    & skf21("3","1","7","2","3","4","2","1") = "6"
    & skf21("3","1","7","2","3","4","3","1") = "6"
    & skf21("3","1","7","2","3","4","4","1") = "6"
    & skf21("3","1","7","2","3","4","5","1") = "6"
    & skf21("3","1","7","2","3","4","6","1") = "6"
    & skf21("3","1","7","2","3","4","7","1") = "6"
    & skf21("3","1","7","2","3","5","1","1") = "6"
    & skf21("3","1","7","2","3","5","2","1") = "6"
    & skf21("3","1","7","2","3","5","3","1") = "6"
    & skf21("3","1","7","2","3","5","4","1") = "6"
    & skf21("3","1","7","2","3","5","5","1") = "6"
    & skf21("3","1","7","2","3","5","6","1") = "6"
    & skf21("3","1","7","2","3","5","7","1") = "6"
    & skf21("3","1","7","2","3","6","1","1") = "6"
    & skf21("3","1","7","2","3","6","2","1") = "6"
    & skf21("3","1","7","2","3","6","3","1") = "6"
    & skf21("3","1","7","2","3","6","4","1") = "6"
    & skf21("3","1","7","2","3","6","5","1") = "6"
    & skf21("3","1","7","2","3","6","6","1") = "6"
    & skf21("3","1","7","2","3","6","7","1") = "6"
    & skf21("3","1","7","2","3","7","1","1") = "6"
    & skf21("3","1","7","2","3","7","2","1") = "6"
    & skf21("3","1","7","2","3","7","3","1") = "6"
    & skf21("3","1","7","2","3","7","4","1") = "6"
    & skf21("3","1","7","2","3","7","5","1") = "6"
    & skf21("3","1","7","2","3","7","6","1") = "6"
    & skf21("3","1","7","2","3","7","7","1") = "6"
    & skf21("3","1","7","2","4","1","1","1") = "6"
    & skf21("3","1","7","2","4","1","2","1") = "6"
    & skf21("3","1","7","2","4","1","3","1") = "6"
    & skf21("3","1","7","2","4","1","4","1") = "6"
    & skf21("3","1","7","2","4","1","5","1") = "6"
    & skf21("3","1","7","2","4","1","6","1") = "6"
    & skf21("3","1","7","2","4","1","7","1") = "6"
    & skf21("3","1","7","2","4","2","1","1") = "6"
    & skf21("3","1","7","2","4","2","2","1") = "6"
    & skf21("3","1","7","2","4","2","3","1") = "6"
    & skf21("3","1","7","2","4","2","4","1") = "6"
    & skf21("3","1","7","2","4","2","5","1") = "6"
    & skf21("3","1","7","2","4","2","6","1") = "6"
    & skf21("3","1","7","2","4","2","7","1") = "6"
    & skf21("3","1","7","2","4","3","1","1") = "6"
    & skf21("3","1","7","2","4","3","2","1") = "6"
    & skf21("3","1","7","2","4","3","3","1") = "6"
    & skf21("3","1","7","2","4","3","4","1") = "6"
    & skf21("3","1","7","2","4","3","5","1") = "6"
    & skf21("3","1","7","2","4","3","6","1") = "6"
    & skf21("3","1","7","2","4","3","7","1") = "6"
    & skf21("3","1","7","2","4","4","1","1") = "6"
    & skf21("3","1","7","2","4","4","2","1") = "6"
    & skf21("3","1","7","2","4","4","3","1") = "6"
    & skf21("3","1","7","2","4","4","4","1") = "6"
    & skf21("3","1","7","2","4","4","5","1") = "6"
    & skf21("3","1","7","2","4","4","6","1") = "6"
    & skf21("3","1","7","2","4","4","7","1") = "6"
    & skf21("3","1","7","2","4","5","1","1") = "6"
    & skf21("3","1","7","2","4","5","2","1") = "6"
    & skf21("3","1","7","2","4","5","3","1") = "6"
    & skf21("3","1","7","2","4","5","4","1") = "6"
    & skf21("3","1","7","2","4","5","5","1") = "6"
    & skf21("3","1","7","2","4","5","6","1") = "6"
    & skf21("3","1","7","2","4","5","7","1") = "6"
    & skf21("3","1","7","2","4","6","1","1") = "6"
    & skf21("3","1","7","2","4","6","2","1") = "6"
    & skf21("3","1","7","2","4","6","3","1") = "6"
    & skf21("3","1","7","2","4","6","4","1") = "6"
    & skf21("3","1","7","2","4","6","5","1") = "6"
    & skf21("3","1","7","2","4","6","6","1") = "6"
    & skf21("3","1","7","2","4","6","7","1") = "6"
    & skf21("3","1","7","2","4","7","1","1") = "6"
    & skf21("3","1","7","2","4","7","2","1") = "6"
    & skf21("3","1","7","2","4","7","3","1") = "6"
    & skf21("3","1","7","2","4","7","4","1") = "6"
    & skf21("3","1","7","2","4","7","5","1") = "6"
    & skf21("3","1","7","2","4","7","6","1") = "6"
    & skf21("3","1","7","2","4","7","7","1") = "6"
    & skf21("3","1","7","2","5","1","1","1") = "6"
    & skf21("3","1","7","2","5","1","2","1") = "6"
    & skf21("3","1","7","2","5","1","3","1") = "6"
    & skf21("3","1","7","2","5","1","4","1") = "6"
    & skf21("3","1","7","2","5","1","5","1") = "6"
    & skf21("3","1","7","2","5","1","6","1") = "6"
    & skf21("3","1","7","2","5","1","7","1") = "6"
    & skf21("3","1","7","2","5","2","1","1") = "6"
    & skf21("3","1","7","2","5","2","2","1") = "6"
    & skf21("3","1","7","2","5","2","3","1") = "6"
    & skf21("3","1","7","2","5","2","4","1") = "6"
    & skf21("3","1","7","2","5","2","5","1") = "6"
    & skf21("3","1","7","2","5","2","6","1") = "6"
    & skf21("3","1","7","2","5","2","7","1") = "6"
    & skf21("3","1","7","2","5","3","1","1") = "6"
    & skf21("3","1","7","2","5","3","2","1") = "6"
    & skf21("3","1","7","2","5","3","3","1") = "6"
    & skf21("3","1","7","2","5","3","4","1") = "6"
    & skf21("3","1","7","2","5","3","5","1") = "6"
    & skf21("3","1","7","2","5","3","6","1") = "6"
    & skf21("3","1","7","2","5","3","7","1") = "6"
    & skf21("3","1","7","2","5","4","1","1") = "6"
    & skf21("3","1","7","2","5","4","2","1") = "6"
    & skf21("3","1","7","2","5","4","3","1") = "6"
    & skf21("3","1","7","2","5","4","4","1") = "6"
    & skf21("3","1","7","2","5","4","5","1") = "6"
    & skf21("3","1","7","2","5","4","6","1") = "6"
    & skf21("3","1","7","2","5","4","7","1") = "6"
    & skf21("3","1","7","2","5","5","1","1") = "6"
    & skf21("3","1","7","2","5","5","2","1") = "6"
    & skf21("3","1","7","2","5","5","3","1") = "6"
    & skf21("3","1","7","2","5","5","4","1") = "6"
    & skf21("3","1","7","2","5","5","5","1") = "6"
    & skf21("3","1","7","2","5","5","6","1") = "6"
    & skf21("3","1","7","2","5","5","7","1") = "6"
    & skf21("3","1","7","2","5","6","1","1") = "6"
    & skf21("3","1","7","2","5","6","2","1") = "6"
    & skf21("3","1","7","2","5","6","3","1") = "6"
    & skf21("3","1","7","2","5","6","4","1") = "6"
    & skf21("3","1","7","2","5","6","5","1") = "6"
    & skf21("3","1","7","2","5","6","6","1") = "6"
    & skf21("3","1","7","2","5","6","7","1") = "6"
    & skf21("3","1","7","2","5","7","1","1") = "6"
    & skf21("3","1","7","2","5","7","2","1") = "6"
    & skf21("3","1","7","2","5","7","3","1") = "6"
    & skf21("3","1","7","2","5","7","4","1") = "6"
    & skf21("3","1","7","2","5","7","5","1") = "6"
    & skf21("3","1","7","2","5","7","6","1") = "6"
    & skf21("3","1","7","2","5","7","7","1") = "6"
    & skf21("3","1","7","2","6","1","1","1") = "6"
    & skf21("3","1","7","2","6","1","2","1") = "6"
    & skf21("3","1","7","2","6","1","3","1") = "6"
    & skf21("3","1","7","2","6","1","4","1") = "6"
    & skf21("3","1","7","2","6","1","5","1") = "6"
    & skf21("3","1","7","2","6","1","6","1") = "6"
    & skf21("3","1","7","2","6","1","7","1") = "6"
    & skf21("3","1","7","2","6","2","1","1") = "6"
    & skf21("3","1","7","2","6","2","2","1") = "6"
    & skf21("3","1","7","2","6","2","3","1") = "6"
    & skf21("3","1","7","2","6","2","4","1") = "6"
    & skf21("3","1","7","2","6","2","5","1") = "6"
    & skf21("3","1","7","2","6","2","6","1") = "6"
    & skf21("3","1","7","2","6","2","7","1") = "6"
    & skf21("3","1","7","2","6","3","1","1") = "6"
    & skf21("3","1","7","2","6","3","2","1") = "6"
    & skf21("3","1","7","2","6","3","3","1") = "6"
    & skf21("3","1","7","2","6","3","4","1") = "6"
    & skf21("3","1","7","2","6","3","5","1") = "6"
    & skf21("3","1","7","2","6","3","6","1") = "6"
    & skf21("3","1","7","2","6","3","7","1") = "6"
    & skf21("3","1","7","2","6","4","1","1") = "6"
    & skf21("3","1","7","2","6","4","2","1") = "6"
    & skf21("3","1","7","2","6","4","3","1") = "6"
    & skf21("3","1","7","2","6","4","4","1") = "6"
    & skf21("3","1","7","2","6","4","5","1") = "6"
    & skf21("3","1","7","2","6","4","6","1") = "6"
    & skf21("3","1","7","2","6","4","7","1") = "6"
    & skf21("3","1","7","2","6","5","1","1") = "6"
    & skf21("3","1","7","2","6","5","2","1") = "6"
    & skf21("3","1","7","2","6","5","3","1") = "6"
    & skf21("3","1","7","2","6","5","4","1") = "6"
    & skf21("3","1","7","2","6","5","5","1") = "6"
    & skf21("3","1","7","2","6","5","6","1") = "6"
    & skf21("3","1","7","2","6","5","7","1") = "6"
    & skf21("3","1","7","2","6","6","1","1") = "6"
    & skf21("3","1","7","2","6","6","2","1") = "6"
    & skf21("3","1","7","2","6","6","3","1") = "6"
    & skf21("3","1","7","2","6","6","4","1") = "6"
    & skf21("3","1","7","2","6","6","5","1") = "6"
    & skf21("3","1","7","2","6","6","6","1") = "6"
    & skf21("3","1","7","2","6","6","7","1") = "6"
    & skf21("3","1","7","2","6","7","1","1") = "6"
    & skf21("3","1","7","2","6","7","2","1") = "6"
    & skf21("3","1","7","2","6","7","3","1") = "6"
    & skf21("3","1","7","2","6","7","4","1") = "6"
    & skf21("3","1","7","2","6","7","5","1") = "6"
    & skf21("3","1","7","2","6","7","6","1") = "6"
    & skf21("3","1","7","2","6","7","7","1") = "6"
    & skf21("3","1","7","2","7","1","1","1") = "6"
    & skf21("3","1","7","2","7","1","2","1") = "6"
    & skf21("3","1","7","2","7","1","3","1") = "6"
    & skf21("3","1","7","2","7","1","4","1") = "6"
    & skf21("3","1","7","2","7","1","5","1") = "6"
    & skf21("3","1","7","2","7","1","6","1") = "6"
    & skf21("3","1","7","2","7","1","7","1") = "6"
    & skf21("3","1","7","2","7","2","1","1") = "6"
    & skf21("3","1","7","2","7","2","2","1") = "6"
    & skf21("3","1","7","2","7","2","3","1") = "6"
    & skf21("3","1","7","2","7","2","4","1") = "6"
    & skf21("3","1","7","2","7","2","5","1") = "6"
    & skf21("3","1","7","2","7","2","6","1") = "6"
    & skf21("3","1","7","2","7","2","7","1") = "6"
    & skf21("3","1","7","2","7","3","1","1") = "6"
    & skf21("3","1","7","2","7","3","2","1") = "6"
    & skf21("3","1","7","2","7","3","3","1") = "6"
    & skf21("3","1","7","2","7","3","4","1") = "6"
    & skf21("3","1","7","2","7","3","5","1") = "6"
    & skf21("3","1","7","2","7","3","6","1") = "6"
    & skf21("3","1","7","2","7","3","7","1") = "6"
    & skf21("3","1","7","2","7","4","1","1") = "6"
    & skf21("3","1","7","2","7","4","2","1") = "6"
    & skf21("3","1","7","2","7","4","3","1") = "6"
    & skf21("3","1","7","2","7","4","4","1") = "6"
    & skf21("3","1","7","2","7","4","5","1") = "6"
    & skf21("3","1","7","2","7","4","6","1") = "6"
    & skf21("3","1","7","2","7","4","7","1") = "6"
    & skf21("3","1","7","2","7","5","1","1") = "6"
    & skf21("3","1","7","2","7","5","2","1") = "6"
    & skf21("3","1","7","2","7","5","3","1") = "6"
    & skf21("3","1","7","2","7","5","4","1") = "6"
    & skf21("3","1","7","2","7","5","5","1") = "6"
    & skf21("3","1","7","2","7","5","6","1") = "6"
    & skf21("3","1","7","2","7","5","7","1") = "6"
    & skf21("3","1","7","2","7","6","1","1") = "6"
    & skf21("3","1","7","2","7","6","2","1") = "6"
    & skf21("3","1","7","2","7","6","3","1") = "6"
    & skf21("3","1","7","2","7","6","4","1") = "6"
    & skf21("3","1","7","2","7","6","5","1") = "6"
    & skf21("3","1","7","2","7","6","6","1") = "6"
    & skf21("3","1","7","2","7","6","7","1") = "6"
    & skf21("3","1","7","2","7","7","1","1") = "6"
    & skf21("3","1","7","2","7","7","2","1") = "6"
    & skf21("3","1","7","2","7","7","3","1") = "6"
    & skf21("3","1","7","2","7","7","4","1") = "6"
    & skf21("3","1","7","2","7","7","5","1") = "6"
    & skf21("3","1","7","2","7","7","6","1") = "6"
    & skf21("3","1","7","2","7","7","7","1") = "6"
    & skf21("3","1","7","3","1","1","1","1") = "6"
    & skf21("3","1","7","3","1","1","2","1") = "6"
    & skf21("3","1","7","3","1","1","3","1") = "6"
    & skf21("3","1","7","3","1","1","4","1") = "6"
    & skf21("3","1","7","3","1","1","5","1") = "6"
    & skf21("3","1","7","3","1","1","6","1") = "6"
    & skf21("3","1","7","3","1","1","7","1") = "6"
    & skf21("3","1","7","3","1","2","1","1") = "6"
    & skf21("3","1","7","3","1","2","2","1") = "6"
    & skf21("3","1","7","3","1","2","3","1") = "6"
    & skf21("3","1","7","3","1","2","4","1") = "6"
    & skf21("3","1","7","3","1","2","5","1") = "6"
    & skf21("3","1","7","3","1","2","6","1") = "6"
    & skf21("3","1","7","3","1","2","7","1") = "6"
    & skf21("3","1","7","3","1","3","1","1") = "6"
    & skf21("3","1","7","3","1","3","2","1") = "6"
    & skf21("3","1","7","3","1","3","3","1") = "6"
    & skf21("3","1","7","3","1","3","4","1") = "6"
    & skf21("3","1","7","3","1","3","5","1") = "6"
    & skf21("3","1","7","3","1","3","6","1") = "6"
    & skf21("3","1","7","3","1","3","7","1") = "6"
    & skf21("3","1","7","3","1","4","1","1") = "6"
    & skf21("3","1","7","3","1","4","2","1") = "6"
    & skf21("3","1","7","3","1","4","3","1") = "6"
    & skf21("3","1","7","3","1","4","4","1") = "6"
    & skf21("3","1","7","3","1","4","5","1") = "6"
    & skf21("3","1","7","3","1","4","6","1") = "6"
    & skf21("3","1","7","3","1","4","7","1") = "6"
    & skf21("3","1","7","3","1","5","1","1") = "6"
    & skf21("3","1","7","3","1","5","2","1") = "6"
    & skf21("3","1","7","3","1","5","3","1") = "6"
    & skf21("3","1","7","3","1","5","4","1") = "6"
    & skf21("3","1","7","3","1","5","5","1") = "6"
    & skf21("3","1","7","3","1","5","6","1") = "6"
    & skf21("3","1","7","3","1","5","7","1") = "6"
    & skf21("3","1","7","3","1","6","1","1") = "6"
    & skf21("3","1","7","3","1","6","2","1") = "6"
    & skf21("3","1","7","3","1","6","3","1") = "6"
    & skf21("3","1","7","3","1","6","4","1") = "6"
    & skf21("3","1","7","3","1","6","5","1") = "6"
    & skf21("3","1","7","3","1","6","6","1") = "6"
    & skf21("3","1","7","3","1","6","7","1") = "6"
    & skf21("3","1","7","3","1","7","1","1") = "6"
    & skf21("3","1","7","3","1","7","2","1") = "6"
    & skf21("3","1","7","3","1","7","3","1") = "6"
    & skf21("3","1","7","3","1","7","4","1") = "6"
    & skf21("3","1","7","3","1","7","5","1") = "6"
    & skf21("3","1","7","3","1","7","6","1") = "6"
    & skf21("3","1","7","3","1","7","7","1") = "6"
    & skf21("3","1","7","3","2","1","1","1") = "6"
    & skf21("3","1","7","3","2","1","2","1") = "6"
    & skf21("3","1","7","3","2","1","3","1") = "6"
    & skf21("3","1","7","3","2","1","4","1") = "6"
    & skf21("3","1","7","3","2","1","5","1") = "6"
    & skf21("3","1","7","3","2","1","6","1") = "6"
    & skf21("3","1","7","3","2","1","7","1") = "6"
    & skf21("3","1","7","3","2","2","1","1") = "6"
    & skf21("3","1","7","3","2","2","2","1") = "6"
    & skf21("3","1","7","3","2","2","3","1") = "6"
    & skf21("3","1","7","3","2","2","4","1") = "6"
    & skf21("3","1","7","3","2","2","5","1") = "6"
    & skf21("3","1","7","3","2","2","6","1") = "6"
    & skf21("3","1","7","3","2","2","7","1") = "6"
    & skf21("3","1","7","3","2","3","1","1") = "6"
    & skf21("3","1","7","3","2","3","2","1") = "6"
    & skf21("3","1","7","3","2","3","3","1") = "6"
    & skf21("3","1","7","3","2","3","4","1") = "6"
    & skf21("3","1","7","3","2","3","5","1") = "6"
    & skf21("3","1","7","3","2","3","6","1") = "6"
    & skf21("3","1","7","3","2","3","7","1") = "6"
    & skf21("3","1","7","3","2","4","1","1") = "6"
    & skf21("3","1","7","3","2","4","2","1") = "6"
    & skf21("3","1","7","3","2","4","3","1") = "6"
    & skf21("3","1","7","3","2","4","4","1") = "6"
    & skf21("3","1","7","3","2","4","5","1") = "6"
    & skf21("3","1","7","3","2","4","6","1") = "6"
    & skf21("3","1","7","3","2","4","7","1") = "6"
    & skf21("3","1","7","3","2","5","1","1") = "6"
    & skf21("3","1","7","3","2","5","2","1") = "6"
    & skf21("3","1","7","3","2","5","3","1") = "6"
    & skf21("3","1","7","3","2","5","4","1") = "6"
    & skf21("3","1","7","3","2","5","5","1") = "6"
    & skf21("3","1","7","3","2","5","6","1") = "6"
    & skf21("3","1","7","3","2","5","7","1") = "6"
    & skf21("3","1","7","3","2","6","1","1") = "6"
    & skf21("3","1","7","3","2","6","2","1") = "6"
    & skf21("3","1","7","3","2","6","3","1") = "6"
    & skf21("3","1","7","3","2","6","4","1") = "6"
    & skf21("3","1","7","3","2","6","5","1") = "6"
    & skf21("3","1","7","3","2","6","6","1") = "6"
    & skf21("3","1","7","3","2","6","7","1") = "6"
    & skf21("3","1","7","3","2","7","1","1") = "6"
    & skf21("3","1","7","3","2","7","2","1") = "6"
    & skf21("3","1","7","3","2","7","3","1") = "6"
    & skf21("3","1","7","3","2","7","4","1") = "6"
    & skf21("3","1","7","3","2","7","5","1") = "6"
    & skf21("3","1","7","3","2","7","6","1") = "6"
    & skf21("3","1","7","3","2","7","7","1") = "6"
    & skf21("3","1","7","3","3","1","1","1") = "6"
    & skf21("3","1","7","3","3","1","2","1") = "6"
    & skf21("3","1","7","3","3","1","3","1") = "6"
    & skf21("3","1","7","3","3","1","4","1") = "6"
    & skf21("3","1","7","3","3","1","5","1") = "6"
    & skf21("3","1","7","3","3","1","6","1") = "6"
    & skf21("3","1","7","3","3","1","7","1") = "6"
    & skf21("3","1","7","3","3","2","1","1") = "6"
    & skf21("3","1","7","3","3","2","2","1") = "6"
    & skf21("3","1","7","3","3","2","3","1") = "6"
    & skf21("3","1","7","3","3","2","4","1") = "6"
    & skf21("3","1","7","3","3","2","5","1") = "6"
    & skf21("3","1","7","3","3","2","6","1") = "6"
    & skf21("3","1","7","3","3","2","7","1") = "6"
    & skf21("3","1","7","3","3","3","1","1") = "6"
    & skf21("3","1","7","3","3","3","2","1") = "6"
    & skf21("3","1","7","3","3","3","3","1") = "6"
    & skf21("3","1","7","3","3","3","4","1") = "6"
    & skf21("3","1","7","3","3","3","5","1") = "6"
    & skf21("3","1","7","3","3","3","6","1") = "6"
    & skf21("3","1","7","3","3","3","7","1") = "6"
    & skf21("3","1","7","3","3","4","1","1") = "6"
    & skf21("3","1","7","3","3","4","2","1") = "6"
    & skf21("3","1","7","3","3","4","3","1") = "6"
    & skf21("3","1","7","3","3","4","4","1") = "6"
    & skf21("3","1","7","3","3","4","5","1") = "6"
    & skf21("3","1","7","3","3","4","6","1") = "6"
    & skf21("3","1","7","3","3","4","7","1") = "6"
    & skf21("3","1","7","3","3","5","1","1") = "6"
    & skf21("3","1","7","3","3","5","2","1") = "6"
    & skf21("3","1","7","3","3","5","3","1") = "6"
    & skf21("3","1","7","3","3","5","4","1") = "6"
    & skf21("3","1","7","3","3","5","5","1") = "6"
    & skf21("3","1","7","3","3","5","6","1") = "6"
    & skf21("3","1","7","3","3","5","7","1") = "6"
    & skf21("3","1","7","3","3","6","1","1") = "6"
    & skf21("3","1","7","3","3","6","2","1") = "6"
    & skf21("3","1","7","3","3","6","3","1") = "6"
    & skf21("3","1","7","3","3","6","4","1") = "6"
    & skf21("3","1","7","3","3","6","5","1") = "6"
    & skf21("3","1","7","3","3","6","6","1") = "6"
    & skf21("3","1","7","3","3","6","7","1") = "6"
    & skf21("3","1","7","3","3","7","1","1") = "6"
    & skf21("3","1","7","3","3","7","2","1") = "6"
    & skf21("3","1","7","3","3","7","3","1") = "6"
    & skf21("3","1","7","3","3","7","4","1") = "6"
    & skf21("3","1","7","3","3","7","5","1") = "6"
    & skf21("3","1","7","3","3","7","6","1") = "6"
    & skf21("3","1","7","3","3","7","7","1") = "6"
    & skf21("3","1","7","3","4","1","1","1") = "6"
    & skf21("3","1","7","3","4","1","2","1") = "6"
    & skf21("3","1","7","3","4","1","3","1") = "6"
    & skf21("3","1","7","3","4","1","4","1") = "6"
    & skf21("3","1","7","3","4","1","5","1") = "6"
    & skf21("3","1","7","3","4","1","6","1") = "6"
    & skf21("3","1","7","3","4","1","7","1") = "6"
    & skf21("3","1","7","3","4","2","1","1") = "6"
    & skf21("3","1","7","3","4","2","2","1") = "6"
    & skf21("3","1","7","3","4","2","3","1") = "6"
    & skf21("3","1","7","3","4","2","4","1") = "6"
    & skf21("3","1","7","3","4","2","5","1") = "6"
    & skf21("3","1","7","3","4","2","6","1") = "6"
    & skf21("3","1","7","3","4","2","7","1") = "6"
    & skf21("3","1","7","3","4","3","1","1") = "6"
    & skf21("3","1","7","3","4","3","2","1") = "6"
    & skf21("3","1","7","3","4","3","3","1") = "6"
    & skf21("3","1","7","3","4","3","4","1") = "6"
    & skf21("3","1","7","3","4","3","5","1") = "6"
    & skf21("3","1","7","3","4","3","6","1") = "6"
    & skf21("3","1","7","3","4","3","7","1") = "6"
    & skf21("3","1","7","3","4","4","1","1") = "6"
    & skf21("3","1","7","3","4","4","2","1") = "6"
    & skf21("3","1","7","3","4","4","3","1") = "6"
    & skf21("3","1","7","3","4","4","4","1") = "6"
    & skf21("3","1","7","3","4","4","5","1") = "6"
    & skf21("3","1","7","3","4","4","6","1") = "6"
    & skf21("3","1","7","3","4","4","7","1") = "6"
    & skf21("3","1","7","3","4","5","1","1") = "6"
    & skf21("3","1","7","3","4","5","2","1") = "6"
    & skf21("3","1","7","3","4","5","3","1") = "6"
    & skf21("3","1","7","3","4","5","4","1") = "6"
    & skf21("3","1","7","3","4","5","5","1") = "6"
    & skf21("3","1","7","3","4","5","6","1") = "6"
    & skf21("3","1","7","3","4","5","7","1") = "6"
    & skf21("3","1","7","3","4","6","1","1") = "6"
    & skf21("3","1","7","3","4","6","2","1") = "6"
    & skf21("3","1","7","3","4","6","3","1") = "6"
    & skf21("3","1","7","3","4","6","4","1") = "6"
    & skf21("3","1","7","3","4","6","5","1") = "6"
    & skf21("3","1","7","3","4","6","6","1") = "6"
    & skf21("3","1","7","3","4","6","7","1") = "6"
    & skf21("3","1","7","3","4","7","1","1") = "6"
    & skf21("3","1","7","3","4","7","2","1") = "6"
    & skf21("3","1","7","3","4","7","3","1") = "6"
    & skf21("3","1","7","3","4","7","4","1") = "6"
    & skf21("3","1","7","3","4","7","5","1") = "6"
    & skf21("3","1","7","3","4","7","6","1") = "6"
    & skf21("3","1","7","3","4","7","7","1") = "6"
    & skf21("3","1","7","3","5","1","1","1") = "6"
    & skf21("3","1","7","3","5","1","2","1") = "6"
    & skf21("3","1","7","3","5","1","3","1") = "6"
    & skf21("3","1","7","3","5","1","4","1") = "6"
    & skf21("3","1","7","3","5","1","5","1") = "6"
    & skf21("3","1","7","3","5","1","6","1") = "6"
    & skf21("3","1","7","3","5","1","7","1") = "6"
    & skf21("3","1","7","3","5","2","1","1") = "6"
    & skf21("3","1","7","3","5","2","2","1") = "6"
    & skf21("3","1","7","3","5","2","3","1") = "6"
    & skf21("3","1","7","3","5","2","4","1") = "6"
    & skf21("3","1","7","3","5","2","5","1") = "6"
    & skf21("3","1","7","3","5","2","6","1") = "6"
    & skf21("3","1","7","3","5","2","7","1") = "6"
    & skf21("3","1","7","3","5","3","1","1") = "6"
    & skf21("3","1","7","3","5","3","2","1") = "6"
    & skf21("3","1","7","3","5","3","3","1") = "6"
    & skf21("3","1","7","3","5","3","4","1") = "6"
    & skf21("3","1","7","3","5","3","5","1") = "6"
    & skf21("3","1","7","3","5","3","6","1") = "6"
    & skf21("3","1","7","3","5","3","7","1") = "6"
    & skf21("3","1","7","3","5","4","1","1") = "6"
    & skf21("3","1","7","3","5","4","2","1") = "6"
    & skf21("3","1","7","3","5","4","3","1") = "6"
    & skf21("3","1","7","3","5","4","4","1") = "6"
    & skf21("3","1","7","3","5","4","5","1") = "6"
    & skf21("3","1","7","3","5","4","6","1") = "6"
    & skf21("3","1","7","3","5","4","7","1") = "6"
    & skf21("3","1","7","3","5","5","1","1") = "6"
    & skf21("3","1","7","3","5","5","2","1") = "6"
    & skf21("3","1","7","3","5","5","3","1") = "6"
    & skf21("3","1","7","3","5","5","4","1") = "6"
    & skf21("3","1","7","3","5","5","5","1") = "6"
    & skf21("3","1","7","3","5","5","6","1") = "6"
    & skf21("3","1","7","3","5","5","7","1") = "6"
    & skf21("3","1","7","3","5","6","1","1") = "6"
    & skf21("3","1","7","3","5","6","2","1") = "6"
    & skf21("3","1","7","3","5","6","3","1") = "6"
    & skf21("3","1","7","3","5","6","4","1") = "6"
    & skf21("3","1","7","3","5","6","5","1") = "6"
    & skf21("3","1","7","3","5","6","6","1") = "6"
    & skf21("3","1","7","3","5","6","7","1") = "6"
    & skf21("3","1","7","3","5","7","1","1") = "6"
    & skf21("3","1","7","3","5","7","2","1") = "6"
    & skf21("3","1","7","3","5","7","3","1") = "6"
    & skf21("3","1","7","3","5","7","4","1") = "6"
    & skf21("3","1","7","3","5","7","5","1") = "6"
    & skf21("3","1","7","3","5","7","6","1") = "6"
    & skf21("3","1","7","3","5","7","7","1") = "6"
    & skf21("3","1","7","3","6","1","1","1") = "6"
    & skf21("3","1","7","3","6","1","2","1") = "6"
    & skf21("3","1","7","3","6","1","3","1") = "6"
    & skf21("3","1","7","3","6","1","4","1") = "6"
    & skf21("3","1","7","3","6","1","5","1") = "6"
    & skf21("3","1","7","3","6","1","6","1") = "6"
    & skf21("3","1","7","3","6","1","7","1") = "6"
    & skf21("3","1","7","3","6","2","1","1") = "6"
    & skf21("3","1","7","3","6","2","2","1") = "6"
    & skf21("3","1","7","3","6","2","3","1") = "6"
    & skf21("3","1","7","3","6","2","4","1") = "6"
    & skf21("3","1","7","3","6","2","5","1") = "6"
    & skf21("3","1","7","3","6","2","6","1") = "6"
    & skf21("3","1","7","3","6","2","7","1") = "6"
    & skf21("3","1","7","3","6","3","1","1") = "6"
    & skf21("3","1","7","3","6","3","2","1") = "6"
    & skf21("3","1","7","3","6","3","3","1") = "6"
    & skf21("3","1","7","3","6","3","4","1") = "6"
    & skf21("3","1","7","3","6","3","5","1") = "6"
    & skf21("3","1","7","3","6","3","6","1") = "6"
    & skf21("3","1","7","3","6","3","7","1") = "6"
    & skf21("3","1","7","3","6","4","1","1") = "6"
    & skf21("3","1","7","3","6","4","2","1") = "6"
    & skf21("3","1","7","3","6","4","3","1") = "6"
    & skf21("3","1","7","3","6","4","4","1") = "6"
    & skf21("3","1","7","3","6","4","5","1") = "6"
    & skf21("3","1","7","3","6","4","6","1") = "6"
    & skf21("3","1","7","3","6","4","7","1") = "6"
    & skf21("3","1","7","3","6","5","1","1") = "6"
    & skf21("3","1","7","3","6","5","2","1") = "6"
    & skf21("3","1","7","3","6","5","3","1") = "6"
    & skf21("3","1","7","3","6","5","4","1") = "6"
    & skf21("3","1","7","3","6","5","5","1") = "6"
    & skf21("3","1","7","3","6","5","6","1") = "6"
    & skf21("3","1","7","3","6","5","7","1") = "6"
    & skf21("3","1","7","3","6","6","1","1") = "6"
    & skf21("3","1","7","3","6","6","2","1") = "6"
    & skf21("3","1","7","3","6","6","3","1") = "6"
    & skf21("3","1","7","3","6","6","4","1") = "6"
    & skf21("3","1","7","3","6","6","5","1") = "6"
    & skf21("3","1","7","3","6","6","6","1") = "6"
    & skf21("3","1","7","3","6","6","7","1") = "6"
    & skf21("3","1","7","3","6","7","1","1") = "6"
    & skf21("3","1","7","3","6","7","2","1") = "6"
    & skf21("3","1","7","3","6","7","3","1") = "6"
    & skf21("3","1","7","3","6","7","4","1") = "6"
    & skf21("3","1","7","3","6","7","5","1") = "6"
    & skf21("3","1","7","3","6","7","6","1") = "6"
    & skf21("3","1","7","3","6","7","7","1") = "6"
    & skf21("3","1","7","3","7","1","1","1") = "6"
    & skf21("3","1","7","3","7","1","2","1") = "6"
    & skf21("3","1","7","3","7","1","3","1") = "6"
    & skf21("3","1","7","3","7","1","4","1") = "6"
    & skf21("3","1","7","3","7","1","5","1") = "6"
    & skf21("3","1","7","3","7","1","6","1") = "6"
    & skf21("3","1","7","3","7","1","7","1") = "6"
    & skf21("3","1","7","3","7","2","1","1") = "6"
    & skf21("3","1","7","3","7","2","2","1") = "6"
    & skf21("3","1","7","3","7","2","3","1") = "6"
    & skf21("3","1","7","3","7","2","4","1") = "6"
    & skf21("3","1","7","3","7","2","5","1") = "6"
    & skf21("3","1","7","3","7","2","6","1") = "6"
    & skf21("3","1","7","3","7","2","7","1") = "6"
    & skf21("3","1","7","3","7","3","1","1") = "6"
    & skf21("3","1","7","3","7","3","2","1") = "6"
    & skf21("3","1","7","3","7","3","3","1") = "6"
    & skf21("3","1","7","3","7","3","4","1") = "6"
    & skf21("3","1","7","3","7","3","5","1") = "6"
    & skf21("3","1","7","3","7","3","6","1") = "6"
    & skf21("3","1","7","3","7","3","7","1") = "6"
    & skf21("3","1","7","3","7","4","1","1") = "6"
    & skf21("3","1","7","3","7","4","2","1") = "6"
    & skf21("3","1","7","3","7","4","3","1") = "6"
    & skf21("3","1","7","3","7","4","4","1") = "6"
    & skf21("3","1","7","3","7","4","5","1") = "6"
    & skf21("3","1","7","3","7","4","6","1") = "6"
    & skf21("3","1","7","3","7","4","7","1") = "6"
    & skf21("3","1","7","3","7","5","1","1") = "6"
    & skf21("3","1","7","3","7","5","2","1") = "6"
    & skf21("3","1","7","3","7","5","3","1") = "6"
    & skf21("3","1","7","3","7","5","4","1") = "6"
    & skf21("3","1","7","3","7","5","5","1") = "6"
    & skf21("3","1","7","3","7","5","6","1") = "6"
    & skf21("3","1","7","3","7","5","7","1") = "6"
    & skf21("3","1","7","3","7","6","1","1") = "6"
    & skf21("3","1","7","3","7","6","2","1") = "6"
    & skf21("3","1","7","3","7","6","3","1") = "6"
    & skf21("3","1","7","3","7","6","4","1") = "6"
    & skf21("3","1","7","3","7","6","5","1") = "6"
    & skf21("3","1","7","3","7","6","6","1") = "6"
    & skf21("3","1","7","3","7","6","7","1") = "6"
    & skf21("3","1","7","3","7","7","1","1") = "6"
    & skf21("3","1","7","3","7","7","2","1") = "6"
    & skf21("3","1","7","3","7","7","3","1") = "6"
    & skf21("3","1","7","3","7","7","4","1") = "6"
    & skf21("3","1","7","3","7","7","5","1") = "6"
    & skf21("3","1","7","3","7","7","6","1") = "6"
    & skf21("3","1","7","3","7","7","7","1") = "6"
    & skf21("3","1","7","4","1","1","1","1") = "6"
    & skf21("3","1","7","4","1","1","2","1") = "6"
    & skf21("3","1","7","4","1","1","3","1") = "6"
    & skf21("3","1","7","4","1","1","4","1") = "6"
    & skf21("3","1","7","4","1","1","5","1") = "6"
    & skf21("3","1","7","4","1","1","6","1") = "6"
    & skf21("3","1","7","4","1","1","7","1") = "6"
    & skf21("3","1","7","4","1","2","1","1") = "6"
    & skf21("3","1","7","4","1","2","2","1") = "6"
    & skf21("3","1","7","4","1","2","3","1") = "6"
    & skf21("3","1","7","4","1","2","4","1") = "6"
    & skf21("3","1","7","4","1","2","5","1") = "6"
    & skf21("3","1","7","4","1","2","6","1") = "6"
    & skf21("3","1","7","4","1","2","7","1") = "6"
    & skf21("3","1","7","4","1","3","1","1") = "6"
    & skf21("3","1","7","4","1","3","2","1") = "6"
    & skf21("3","1","7","4","1","3","3","1") = "6"
    & skf21("3","1","7","4","1","3","4","1") = "6"
    & skf21("3","1","7","4","1","3","5","1") = "6"
    & skf21("3","1","7","4","1","3","6","1") = "6"
    & skf21("3","1","7","4","1","3","7","1") = "6"
    & skf21("3","1","7","4","1","4","1","1") = "6"
    & skf21("3","1","7","4","1","4","2","1") = "6"
    & skf21("3","1","7","4","1","4","3","1") = "6"
    & skf21("3","1","7","4","1","4","4","1") = "6"
    & skf21("3","1","7","4","1","4","5","1") = "6"
    & skf21("3","1","7","4","1","4","6","1") = "6"
    & skf21("3","1","7","4","1","4","7","1") = "6"
    & skf21("3","1","7","4","1","5","1","1") = "6"
    & skf21("3","1","7","4","1","5","2","1") = "6"
    & skf21("3","1","7","4","1","5","3","1") = "6"
    & skf21("3","1","7","4","1","5","4","1") = "6"
    & skf21("3","1","7","4","1","5","5","1") = "6"
    & skf21("3","1","7","4","1","5","6","1") = "6"
    & skf21("3","1","7","4","1","5","7","1") = "6"
    & skf21("3","1","7","4","1","6","1","1") = "6"
    & skf21("3","1","7","4","1","6","2","1") = "6"
    & skf21("3","1","7","4","1","6","3","1") = "6"
    & skf21("3","1","7","4","1","6","4","1") = "6"
    & skf21("3","1","7","4","1","6","5","1") = "6"
    & skf21("3","1","7","4","1","6","6","1") = "6"
    & skf21("3","1","7","4","1","6","7","1") = "6"
    & skf21("3","1","7","4","1","7","1","1") = "6"
    & skf21("3","1","7","4","1","7","2","1") = "6"
    & skf21("3","1","7","4","1","7","3","1") = "6"
    & skf21("3","1","7","4","1","7","4","1") = "6"
    & skf21("3","1","7","4","1","7","5","1") = "6"
    & skf21("3","1","7","4","1","7","6","1") = "6"
    & skf21("3","1","7","4","1","7","7","1") = "6"
    & skf21("3","1","7","4","2","1","1","1") = "6"
    & skf21("3","1","7","4","2","1","2","1") = "6"
    & skf21("3","1","7","4","2","1","3","1") = "6"
    & skf21("3","1","7","4","2","1","4","1") = "6"
    & skf21("3","1","7","4","2","1","5","1") = "6"
    & skf21("3","1","7","4","2","1","6","1") = "6"
    & skf21("3","1","7","4","2","1","7","1") = "6"
    & skf21("3","1","7","4","2","2","1","1") = "6"
    & skf21("3","1","7","4","2","2","2","1") = "6"
    & skf21("3","1","7","4","2","2","3","1") = "6"
    & skf21("3","1","7","4","2","2","4","1") = "6"
    & skf21("3","1","7","4","2","2","5","1") = "6"
    & skf21("3","1","7","4","2","2","6","1") = "6"
    & skf21("3","1","7","4","2","2","7","1") = "6"
    & skf21("3","1","7","4","2","3","1","1") = "6"
    & skf21("3","1","7","4","2","3","2","1") = "6"
    & skf21("3","1","7","4","2","3","3","1") = "6"
    & skf21("3","1","7","4","2","3","4","1") = "6"
    & skf21("3","1","7","4","2","3","5","1") = "6"
    & skf21("3","1","7","4","2","3","6","1") = "6"
    & skf21("3","1","7","4","2","3","7","1") = "6"
    & skf21("3","1","7","4","2","4","1","1") = "6"
    & skf21("3","1","7","4","2","4","2","1") = "6"
    & skf21("3","1","7","4","2","4","3","1") = "6"
    & skf21("3","1","7","4","2","4","4","1") = "6"
    & skf21("3","1","7","4","2","4","5","1") = "6"
    & skf21("3","1","7","4","2","4","6","1") = "6"
    & skf21("3","1","7","4","2","4","7","1") = "6"
    & skf21("3","1","7","4","2","5","1","1") = "6"
    & skf21("3","1","7","4","2","5","2","1") = "6"
    & skf21("3","1","7","4","2","5","3","1") = "6"
    & skf21("3","1","7","4","2","5","4","1") = "6"
    & skf21("3","1","7","4","2","5","5","1") = "6"
    & skf21("3","1","7","4","2","5","6","1") = "6"
    & skf21("3","1","7","4","2","5","7","1") = "6"
    & skf21("3","1","7","4","2","6","1","1") = "6"
    & skf21("3","1","7","4","2","6","2","1") = "6"
    & skf21("3","1","7","4","2","6","3","1") = "6"
    & skf21("3","1","7","4","2","6","4","1") = "6"
    & skf21("3","1","7","4","2","6","5","1") = "6"
    & skf21("3","1","7","4","2","6","6","1") = "6"
    & skf21("3","1","7","4","2","6","7","1") = "6"
    & skf21("3","1","7","4","2","7","1","1") = "6"
    & skf21("3","1","7","4","2","7","2","1") = "6"
    & skf21("3","1","7","4","2","7","3","1") = "6"
    & skf21("3","1","7","4","2","7","4","1") = "6"
    & skf21("3","1","7","4","2","7","5","1") = "6"
    & skf21("3","1","7","4","2","7","6","1") = "6"
    & skf21("3","1","7","4","2","7","7","1") = "6"
    & skf21("3","1","7","4","3","1","1","1") = "6"
    & skf21("3","1","7","4","3","1","2","1") = "6"
    & skf21("3","1","7","4","3","1","3","1") = "6"
    & skf21("3","1","7","4","3","1","4","1") = "6"
    & skf21("3","1","7","4","3","1","5","1") = "6"
    & skf21("3","1","7","4","3","1","6","1") = "6"
    & skf21("3","1","7","4","3","1","7","1") = "6"
    & skf21("3","1","7","4","3","2","1","1") = "6"
    & skf21("3","1","7","4","3","2","2","1") = "6"
    & skf21("3","1","7","4","3","2","3","1") = "6"
    & skf21("3","1","7","4","3","2","4","1") = "6"
    & skf21("3","1","7","4","3","2","5","1") = "6"
    & skf21("3","1","7","4","3","2","6","1") = "6"
    & skf21("3","1","7","4","3","2","7","1") = "6"
    & skf21("3","1","7","4","3","3","1","1") = "6"
    & skf21("3","1","7","4","3","3","2","1") = "6"
    & skf21("3","1","7","4","3","3","3","1") = "6"
    & skf21("3","1","7","4","3","3","4","1") = "6"
    & skf21("3","1","7","4","3","3","5","1") = "6"
    & skf21("3","1","7","4","3","3","6","1") = "6"
    & skf21("3","1","7","4","3","3","7","1") = "6"
    & skf21("3","1","7","4","3","4","1","1") = "6"
    & skf21("3","1","7","4","3","4","2","1") = "6"
    & skf21("3","1","7","4","3","4","3","1") = "6"
    & skf21("3","1","7","4","3","4","4","1") = "6"
    & skf21("3","1","7","4","3","4","5","1") = "6"
    & skf21("3","1","7","4","3","4","6","1") = "6"
    & skf21("3","1","7","4","3","4","7","1") = "6"
    & skf21("3","1","7","4","3","5","1","1") = "6"
    & skf21("3","1","7","4","3","5","2","1") = "6"
    & skf21("3","1","7","4","3","5","3","1") = "6"
    & skf21("3","1","7","4","3","5","4","1") = "6"
    & skf21("3","1","7","4","3","5","5","1") = "6"
    & skf21("3","1","7","4","3","5","6","1") = "6"
    & skf21("3","1","7","4","3","5","7","1") = "6"
    & skf21("3","1","7","4","3","6","1","1") = "6"
    & skf21("3","1","7","4","3","6","2","1") = "6"
    & skf21("3","1","7","4","3","6","3","1") = "6"
    & skf21("3","1","7","4","3","6","4","1") = "6"
    & skf21("3","1","7","4","3","6","5","1") = "6"
    & skf21("3","1","7","4","3","6","6","1") = "6"
    & skf21("3","1","7","4","3","6","7","1") = "6"
    & skf21("3","1","7","4","3","7","1","1") = "6"
    & skf21("3","1","7","4","3","7","2","1") = "6"
    & skf21("3","1","7","4","3","7","3","1") = "6"
    & skf21("3","1","7","4","3","7","4","1") = "6"
    & skf21("3","1","7","4","3","7","5","1") = "6"
    & skf21("3","1","7","4","3","7","6","1") = "6"
    & skf21("3","1","7","4","3","7","7","1") = "6"
    & skf21("3","1","7","4","4","1","1","1") = "6"
    & skf21("3","1","7","4","4","1","2","1") = "6"
    & skf21("3","1","7","4","4","1","3","1") = "6"
    & skf21("3","1","7","4","4","1","4","1") = "6"
    & skf21("3","1","7","4","4","1","5","1") = "6"
    & skf21("3","1","7","4","4","1","6","1") = "6"
    & skf21("3","1","7","4","4","1","7","1") = "6"
    & skf21("3","1","7","4","4","2","1","1") = "6"
    & skf21("3","1","7","4","4","2","2","1") = "6"
    & skf21("3","1","7","4","4","2","3","1") = "6"
    & skf21("3","1","7","4","4","2","4","1") = "6"
    & skf21("3","1","7","4","4","2","5","1") = "6"
    & skf21("3","1","7","4","4","2","6","1") = "6"
    & skf21("3","1","7","4","4","2","7","1") = "6"
    & skf21("3","1","7","4","4","3","1","1") = "6"
    & skf21("3","1","7","4","4","3","2","1") = "6"
    & skf21("3","1","7","4","4","3","3","1") = "6"
    & skf21("3","1","7","4","4","3","4","1") = "6"
    & skf21("3","1","7","4","4","3","5","1") = "6"
    & skf21("3","1","7","4","4","3","6","1") = "6"
    & skf21("3","1","7","4","4","3","7","1") = "6"
    & skf21("3","1","7","4","4","4","1","1") = "6"
    & skf21("3","1","7","4","4","4","2","1") = "6"
    & skf21("3","1","7","4","4","4","3","1") = "6"
    & skf21("3","1","7","4","4","4","4","1") = "6"
    & skf21("3","1","7","4","4","4","5","1") = "6"
    & skf21("3","1","7","4","4","4","6","1") = "6"
    & skf21("3","1","7","4","4","4","7","1") = "6"
    & skf21("3","1","7","4","4","5","1","1") = "6"
    & skf21("3","1","7","4","4","5","2","1") = "6"
    & skf21("3","1","7","4","4","5","3","1") = "6"
    & skf21("3","1","7","4","4","5","4","1") = "6"
    & skf21("3","1","7","4","4","5","5","1") = "6"
    & skf21("3","1","7","4","4","5","6","1") = "6"
    & skf21("3","1","7","4","4","5","7","1") = "6"
    & skf21("3","1","7","4","4","6","1","1") = "6"
    & skf21("3","1","7","4","4","6","2","1") = "6"
    & skf21("3","1","7","4","4","6","3","1") = "6"
    & skf21("3","1","7","4","4","6","4","1") = "6"
    & skf21("3","1","7","4","4","6","5","1") = "6"
    & skf21("3","1","7","4","4","6","6","1") = "6"
    & skf21("3","1","7","4","4","6","7","1") = "6"
    & skf21("3","1","7","4","4","7","1","1") = "6"
    & skf21("3","1","7","4","4","7","2","1") = "6"
    & skf21("3","1","7","4","4","7","3","1") = "6"
    & skf21("3","1","7","4","4","7","4","1") = "6"
    & skf21("3","1","7","4","4","7","5","1") = "6"
    & skf21("3","1","7","4","4","7","6","1") = "6"
    & skf21("3","1","7","4","4","7","7","1") = "6"
    & skf21("3","1","7","4","5","1","1","1") = "6"
    & skf21("3","1","7","4","5","1","2","1") = "6"
    & skf21("3","1","7","4","5","1","3","1") = "6"
    & skf21("3","1","7","4","5","1","4","1") = "6"
    & skf21("3","1","7","4","5","1","5","1") = "6"
    & skf21("3","1","7","4","5","1","6","1") = "6"
    & skf21("3","1","7","4","5","1","7","1") = "6"
    & skf21("3","1","7","4","5","2","1","1") = "6"
    & skf21("3","1","7","4","5","2","2","1") = "6"
    & skf21("3","1","7","4","5","2","3","1") = "6"
    & skf21("3","1","7","4","5","2","4","1") = "6"
    & skf21("3","1","7","4","5","2","5","1") = "6"
    & skf21("3","1","7","4","5","2","6","1") = "6"
    & skf21("3","1","7","4","5","2","7","1") = "6"
    & skf21("3","1","7","4","5","3","1","1") = "6"
    & skf21("3","1","7","4","5","3","2","1") = "6"
    & skf21("3","1","7","4","5","3","3","1") = "6"
    & skf21("3","1","7","4","5","3","4","1") = "6"
    & skf21("3","1","7","4","5","3","5","1") = "6"
    & skf21("3","1","7","4","5","3","6","1") = "6"
    & skf21("3","1","7","4","5","3","7","1") = "6"
    & skf21("3","1","7","4","5","4","1","1") = "6"
    & skf21("3","1","7","4","5","4","2","1") = "6"
    & skf21("3","1","7","4","5","4","3","1") = "6"
    & skf21("3","1","7","4","5","4","4","1") = "6"
    & skf21("3","1","7","4","5","4","5","1") = "6"
    & skf21("3","1","7","4","5","4","6","1") = "6"
    & skf21("3","1","7","4","5","4","7","1") = "6"
    & skf21("3","1","7","4","5","5","1","1") = "6"
    & skf21("3","1","7","4","5","5","2","1") = "6"
    & skf21("3","1","7","4","5","5","3","1") = "6"
    & skf21("3","1","7","4","5","5","4","1") = "6"
    & skf21("3","1","7","4","5","5","5","1") = "6"
    & skf21("3","1","7","4","5","5","6","1") = "6"
    & skf21("3","1","7","4","5","5","7","1") = "6"
    & skf21("3","1","7","4","5","6","1","1") = "6"
    & skf21("3","1","7","4","5","6","2","1") = "6"
    & skf21("3","1","7","4","5","6","3","1") = "6"
    & skf21("3","1","7","4","5","6","4","1") = "6"
    & skf21("3","1","7","4","5","6","5","1") = "6"
    & skf21("3","1","7","4","5","6","6","1") = "6"
    & skf21("3","1","7","4","5","6","7","1") = "6"
    & skf21("3","1","7","4","5","7","1","1") = "6"
    & skf21("3","1","7","4","5","7","2","1") = "6"
    & skf21("3","1","7","4","5","7","3","1") = "6"
    & skf21("3","1","7","4","5","7","4","1") = "6"
    & skf21("3","1","7","4","5","7","5","1") = "6"
    & skf21("3","1","7","4","5","7","6","1") = "6"
    & skf21("3","1","7","4","5","7","7","1") = "6"
    & skf21("3","1","7","4","6","1","1","1") = "6"
    & skf21("3","1","7","4","6","1","2","1") = "6"
    & skf21("3","1","7","4","6","1","3","1") = "6"
    & skf21("3","1","7","4","6","1","4","1") = "6"
    & skf21("3","1","7","4","6","1","5","1") = "6"
    & skf21("3","1","7","4","6","1","6","1") = "6"
    & skf21("3","1","7","4","6","1","7","1") = "6"
    & skf21("3","1","7","4","6","2","1","1") = "6"
    & skf21("3","1","7","4","6","2","2","1") = "6"
    & skf21("3","1","7","4","6","2","3","1") = "6"
    & skf21("3","1","7","4","6","2","4","1") = "6"
    & skf21("3","1","7","4","6","2","5","1") = "6"
    & skf21("3","1","7","4","6","2","6","1") = "6"
    & skf21("3","1","7","4","6","2","7","1") = "6"
    & skf21("3","1","7","4","6","3","1","1") = "6"
    & skf21("3","1","7","4","6","3","2","1") = "6"
    & skf21("3","1","7","4","6","3","3","1") = "6"
    & skf21("3","1","7","4","6","3","4","1") = "6"
    & skf21("3","1","7","4","6","3","5","1") = "6"
    & skf21("3","1","7","4","6","3","6","1") = "6"
    & skf21("3","1","7","4","6","3","7","1") = "6"
    & skf21("3","1","7","4","6","4","1","1") = "6"
    & skf21("3","1","7","4","6","4","2","1") = "6"
    & skf21("3","1","7","4","6","4","3","1") = "6"
    & skf21("3","1","7","4","6","4","4","1") = "6"
    & skf21("3","1","7","4","6","4","5","1") = "6"
    & skf21("3","1","7","4","6","4","6","1") = "6"
    & skf21("3","1","7","4","6","4","7","1") = "6"
    & skf21("3","1","7","4","6","5","1","1") = "6"
    & skf21("3","1","7","4","6","5","2","1") = "6"
    & skf21("3","1","7","4","6","5","3","1") = "6"
    & skf21("3","1","7","4","6","5","4","1") = "6"
    & skf21("3","1","7","4","6","5","5","1") = "6"
    & skf21("3","1","7","4","6","5","6","1") = "6"
    & skf21("3","1","7","4","6","5","7","1") = "6"
    & skf21("3","1","7","4","6","6","1","1") = "6"
    & skf21("3","1","7","4","6","6","2","1") = "6"
    & skf21("3","1","7","4","6","6","3","1") = "6"
    & skf21("3","1","7","4","6","6","4","1") = "6"
    & skf21("3","1","7","4","6","6","5","1") = "6"
    & skf21("3","1","7","4","6","6","6","1") = "6"
    & skf21("3","1","7","4","6","6","7","1") = "6"
    & skf21("3","1","7","4","6","7","1","1") = "6"
    & skf21("3","1","7","4","6","7","2","1") = "6"
    & skf21("3","1","7","4","6","7","3","1") = "6"
    & skf21("3","1","7","4","6","7","4","1") = "6"
    & skf21("3","1","7","4","6","7","5","1") = "6"
    & skf21("3","1","7","4","6","7","6","1") = "6"
    & skf21("3","1","7","4","6","7","7","1") = "6"
    & skf21("3","1","7","4","7","1","1","1") = "6"
    & skf21("3","1","7","4","7","1","2","1") = "6"
    & skf21("3","1","7","4","7","1","3","1") = "6"
    & skf21("3","1","7","4","7","1","4","1") = "6"
    & skf21("3","1","7","4","7","1","5","1") = "6"
    & skf21("3","1","7","4","7","1","6","1") = "6"
    & skf21("3","1","7","4","7","1","7","1") = "6"
    & skf21("3","1","7","4","7","2","1","1") = "6"
    & skf21("3","1","7","4","7","2","2","1") = "6"
    & skf21("3","1","7","4","7","2","3","1") = "6"
    & skf21("3","1","7","4","7","2","4","1") = "6"
    & skf21("3","1","7","4","7","2","5","1") = "6"
    & skf21("3","1","7","4","7","2","6","1") = "6"
    & skf21("3","1","7","4","7","2","7","1") = "6"
    & skf21("3","1","7","4","7","3","1","1") = "6"
    & skf21("3","1","7","4","7","3","2","1") = "6"
    & skf21("3","1","7","4","7","3","3","1") = "6"
    & skf21("3","1","7","4","7","3","4","1") = "6"
    & skf21("3","1","7","4","7","3","5","1") = "6"
    & skf21("3","1","7","4","7","3","6","1") = "6"
    & skf21("3","1","7","4","7","3","7","1") = "6"
    & skf21("3","1","7","4","7","4","1","1") = "6"
    & skf21("3","1","7","4","7","4","2","1") = "6"
    & skf21("3","1","7","4","7","4","3","1") = "6"
    & skf21("3","1","7","4","7","4","4","1") = "6"
    & skf21("3","1","7","4","7","4","5","1") = "6"
    & skf21("3","1","7","4","7","4","6","1") = "6"
    & skf21("3","1","7","4","7","4","7","1") = "6"
    & skf21("3","1","7","4","7","5","1","1") = "6"
    & skf21("3","1","7","4","7","5","2","1") = "6"
    & skf21("3","1","7","4","7","5","3","1") = "6"
    & skf21("3","1","7","4","7","5","4","1") = "6"
    & skf21("3","1","7","4","7","5","5","1") = "6"
    & skf21("3","1","7","4","7","5","6","1") = "6"
    & skf21("3","1","7","4","7","5","7","1") = "6"
    & skf21("3","1","7","4","7","6","1","1") = "6"
    & skf21("3","1","7","4","7","6","2","1") = "6"
    & skf21("3","1","7","4","7","6","3","1") = "6"
    & skf21("3","1","7","4","7","6","4","1") = "6"
    & skf21("3","1","7","4","7","6","5","1") = "6"
    & skf21("3","1","7","4","7","6","6","1") = "6"
    & skf21("3","1","7","4","7","6","7","1") = "6"
    & skf21("3","1","7","4","7","7","1","1") = "6"
    & skf21("3","1","7","4","7","7","2","1") = "6"
    & skf21("3","1","7","4","7","7","3","1") = "6"
    & skf21("3","1","7","4","7","7","4","1") = "6"
    & skf21("3","1","7","4","7","7","5","1") = "6"
    & skf21("3","1","7","4","7","7","6","1") = "6"
    & skf21("3","1","7","4","7","7","7","1") = "6"
    & skf21("3","1","7","5","1","1","1","1") = "6"
    & skf21("3","1","7","5","1","1","2","1") = "6"
    & skf21("3","1","7","5","1","1","3","1") = "6"
    & skf21("3","1","7","5","1","1","4","1") = "6"
    & skf21("3","1","7","5","1","1","5","1") = "6"
    & skf21("3","1","7","5","1","1","6","1") = "6"
    & skf21("3","1","7","5","1","1","7","1") = "6"
    & skf21("3","1","7","5","1","2","1","1") = "6"
    & skf21("3","1","7","5","1","2","2","1") = "6"
    & skf21("3","1","7","5","1","2","3","1") = "6"
    & skf21("3","1","7","5","1","2","4","1") = "6"
    & skf21("3","1","7","5","1","2","5","1") = "6"
    & skf21("3","1","7","5","1","2","6","1") = "6"
    & skf21("3","1","7","5","1","2","7","1") = "6"
    & skf21("3","1","7","5","1","3","1","1") = "6"
    & skf21("3","1","7","5","1","3","2","1") = "6"
    & skf21("3","1","7","5","1","3","3","1") = "6"
    & skf21("3","1","7","5","1","3","4","1") = "6"
    & skf21("3","1","7","5","1","3","5","1") = "6"
    & skf21("3","1","7","5","1","3","6","1") = "6"
    & skf21("3","1","7","5","1","3","7","1") = "6"
    & skf21("3","1","7","5","1","4","1","1") = "6"
    & skf21("3","1","7","5","1","4","2","1") = "6"
    & skf21("3","1","7","5","1","4","3","1") = "6"
    & skf21("3","1","7","5","1","4","4","1") = "6"
    & skf21("3","1","7","5","1","4","5","1") = "6"
    & skf21("3","1","7","5","1","4","6","1") = "6"
    & skf21("3","1","7","5","1","4","7","1") = "6"
    & skf21("3","1","7","5","1","5","1","1") = "6"
    & skf21("3","1","7","5","1","5","2","1") = "6"
    & skf21("3","1","7","5","1","5","3","1") = "6"
    & skf21("3","1","7","5","1","5","4","1") = "6"
    & skf21("3","1","7","5","1","5","5","1") = "6"
    & skf21("3","1","7","5","1","5","6","1") = "6"
    & skf21("3","1","7","5","1","5","7","1") = "6"
    & skf21("3","1","7","5","1","6","1","1") = "6"
    & skf21("3","1","7","5","1","6","2","1") = "6"
    & skf21("3","1","7","5","1","6","3","1") = "6"
    & skf21("3","1","7","5","1","6","4","1") = "6"
    & skf21("3","1","7","5","1","6","5","1") = "6"
    & skf21("3","1","7","5","1","6","6","1") = "6"
    & skf21("3","1","7","5","1","6","7","1") = "6"
    & skf21("3","1","7","5","1","7","1","1") = "6"
    & skf21("3","1","7","5","1","7","2","1") = "6"
    & skf21("3","1","7","5","1","7","3","1") = "6"
    & skf21("3","1","7","5","1","7","4","1") = "6"
    & skf21("3","1","7","5","1","7","5","1") = "6"
    & skf21("3","1","7","5","1","7","6","1") = "6"
    & skf21("3","1","7","5","1","7","7","1") = "6"
    & skf21("3","1","7","5","2","1","1","1") = "6"
    & skf21("3","1","7","5","2","1","2","1") = "6"
    & skf21("3","1","7","5","2","1","3","1") = "6"
    & skf21("3","1","7","5","2","1","4","1") = "6"
    & skf21("3","1","7","5","2","1","5","1") = "6"
    & skf21("3","1","7","5","2","1","6","1") = "6"
    & skf21("3","1","7","5","2","1","7","1") = "6"
    & skf21("3","1","7","5","2","2","1","1") = "6"
    & skf21("3","1","7","5","2","2","2","1") = "6"
    & skf21("3","1","7","5","2","2","3","1") = "6"
    & skf21("3","1","7","5","2","2","4","1") = "6"
    & skf21("3","1","7","5","2","2","5","1") = "6"
    & skf21("3","1","7","5","2","2","6","1") = "6"
    & skf21("3","1","7","5","2","2","7","1") = "6"
    & skf21("3","1","7","5","2","3","1","1") = "6"
    & skf21("3","1","7","5","2","3","2","1") = "6"
    & skf21("3","1","7","5","2","3","3","1") = "6"
    & skf21("3","1","7","5","2","3","4","1") = "6"
    & skf21("3","1","7","5","2","3","5","1") = "6"
    & skf21("3","1","7","5","2","3","6","1") = "6"
    & skf21("3","1","7","5","2","3","7","1") = "6"
    & skf21("3","1","7","5","2","4","1","1") = "6"
    & skf21("3","1","7","5","2","4","2","1") = "6"
    & skf21("3","1","7","5","2","4","3","1") = "6"
    & skf21("3","1","7","5","2","4","4","1") = "6"
    & skf21("3","1","7","5","2","4","5","1") = "6"
    & skf21("3","1","7","5","2","4","6","1") = "6"
    & skf21("3","1","7","5","2","4","7","1") = "6"
    & skf21("3","1","7","5","2","5","1","1") = "6"
    & skf21("3","1","7","5","2","5","2","1") = "6"
    & skf21("3","1","7","5","2","5","3","1") = "6"
    & skf21("3","1","7","5","2","5","4","1") = "6"
    & skf21("3","1","7","5","2","5","5","1") = "6"
    & skf21("3","1","7","5","2","5","6","1") = "6"
    & skf21("3","1","7","5","2","5","7","1") = "6"
    & skf21("3","1","7","5","2","6","1","1") = "6"
    & skf21("3","1","7","5","2","6","2","1") = "6"
    & skf21("3","1","7","5","2","6","3","1") = "6"
    & skf21("3","1","7","5","2","6","4","1") = "6"
    & skf21("3","1","7","5","2","6","5","1") = "6"
    & skf21("3","1","7","5","2","6","6","1") = "6"
    & skf21("3","1","7","5","2","6","7","1") = "6"
    & skf21("3","1","7","5","2","7","1","1") = "6"
    & skf21("3","1","7","5","2","7","2","1") = "6"
    & skf21("3","1","7","5","2","7","3","1") = "6"
    & skf21("3","1","7","5","2","7","4","1") = "6"
    & skf21("3","1","7","5","2","7","5","1") = "6"
    & skf21("3","1","7","5","2","7","6","1") = "6"
    & skf21("3","1","7","5","2","7","7","1") = "6"
    & skf21("3","1","7","5","3","1","1","1") = "6"
    & skf21("3","1","7","5","3","1","2","1") = "6"
    & skf21("3","1","7","5","3","1","3","1") = "6"
    & skf21("3","1","7","5","3","1","4","1") = "6"
    & skf21("3","1","7","5","3","1","5","1") = "6"
    & skf21("3","1","7","5","3","1","6","1") = "6"
    & skf21("3","1","7","5","3","1","7","1") = "6"
    & skf21("3","1","7","5","3","2","1","1") = "6"
    & skf21("3","1","7","5","3","2","2","1") = "6"
    & skf21("3","1","7","5","3","2","3","1") = "6"
    & skf21("3","1","7","5","3","2","4","1") = "6"
    & skf21("3","1","7","5","3","2","5","1") = "6"
    & skf21("3","1","7","5","3","2","6","1") = "6"
    & skf21("3","1","7","5","3","2","7","1") = "6"
    & skf21("3","1","7","5","3","3","1","1") = "6"
    & skf21("3","1","7","5","3","3","2","1") = "6"
    & skf21("3","1","7","5","3","3","3","1") = "6"
    & skf21("3","1","7","5","3","3","4","1") = "6"
    & skf21("3","1","7","5","3","3","5","1") = "6"
    & skf21("3","1","7","5","3","3","6","1") = "6"
    & skf21("3","1","7","5","3","3","7","1") = "6"
    & skf21("3","1","7","5","3","4","1","1") = "6"
    & skf21("3","1","7","5","3","4","2","1") = "6"
    & skf21("3","1","7","5","3","4","3","1") = "6"
    & skf21("3","1","7","5","3","4","4","1") = "6"
    & skf21("3","1","7","5","3","4","5","1") = "6"
    & skf21("3","1","7","5","3","4","6","1") = "6"
    & skf21("3","1","7","5","3","4","7","1") = "6"
    & skf21("3","1","7","5","3","5","1","1") = "6"
    & skf21("3","1","7","5","3","5","2","1") = "6"
    & skf21("3","1","7","5","3","5","3","1") = "6"
    & skf21("3","1","7","5","3","5","4","1") = "6"
    & skf21("3","1","7","5","3","5","5","1") = "6"
    & skf21("3","1","7","5","3","5","6","1") = "6"
    & skf21("3","1","7","5","3","5","7","1") = "6"
    & skf21("3","1","7","5","3","6","1","1") = "6"
    & skf21("3","1","7","5","3","6","2","1") = "6"
    & skf21("3","1","7","5","3","6","3","1") = "6"
    & skf21("3","1","7","5","3","6","4","1") = "6"
    & skf21("3","1","7","5","3","6","5","1") = "6"
    & skf21("3","1","7","5","3","6","6","1") = "6"
    & skf21("3","1","7","5","3","6","7","1") = "6"
    & skf21("3","1","7","5","3","7","1","1") = "6"
    & skf21("3","1","7","5","3","7","2","1") = "6"
    & skf21("3","1","7","5","3","7","3","1") = "6"
    & skf21("3","1","7","5","3","7","4","1") = "6"
    & skf21("3","1","7","5","3","7","5","1") = "6"
    & skf21("3","1","7","5","3","7","6","1") = "6"
    & skf21("3","1","7","5","3","7","7","1") = "6"
    & skf21("3","1","7","5","4","1","1","1") = "6"
    & skf21("3","1","7","5","4","1","2","1") = "6"
    & skf21("3","1","7","5","4","1","3","1") = "6"
    & skf21("3","1","7","5","4","1","4","1") = "6"
    & skf21("3","1","7","5","4","1","5","1") = "6"
    & skf21("3","1","7","5","4","1","6","1") = "6"
    & skf21("3","1","7","5","4","1","7","1") = "6"
    & skf21("3","1","7","5","4","2","1","1") = "6"
    & skf21("3","1","7","5","4","2","2","1") = "6"
    & skf21("3","1","7","5","4","2","3","1") = "6"
    & skf21("3","1","7","5","4","2","4","1") = "6"
    & skf21("3","1","7","5","4","2","5","1") = "6"
    & skf21("3","1","7","5","4","2","6","1") = "6"
    & skf21("3","1","7","5","4","2","7","1") = "6"
    & skf21("3","1","7","5","4","3","1","1") = "6"
    & skf21("3","1","7","5","4","3","2","1") = "6"
    & skf21("3","1","7","5","4","3","3","1") = "6"
    & skf21("3","1","7","5","4","3","4","1") = "6"
    & skf21("3","1","7","5","4","3","5","1") = "6"
    & skf21("3","1","7","5","4","3","6","1") = "6"
    & skf21("3","1","7","5","4","3","7","1") = "6"
    & skf21("3","1","7","5","4","4","1","1") = "6"
    & skf21("3","1","7","5","4","4","2","1") = "6"
    & skf21("3","1","7","5","4","4","3","1") = "6"
    & skf21("3","1","7","5","4","4","4","1") = "6"
    & skf21("3","1","7","5","4","4","5","1") = "6"
    & skf21("3","1","7","5","4","4","6","1") = "6"
    & skf21("3","1","7","5","4","4","7","1") = "6"
    & skf21("3","1","7","5","4","5","1","1") = "6"
    & skf21("3","1","7","5","4","5","2","1") = "6"
    & skf21("3","1","7","5","4","5","3","1") = "6"
    & skf21("3","1","7","5","4","5","4","1") = "6"
    & skf21("3","1","7","5","4","5","5","1") = "6"
    & skf21("3","1","7","5","4","5","6","1") = "6"
    & skf21("3","1","7","5","4","5","7","1") = "6"
    & skf21("3","1","7","5","4","6","1","1") = "6"
    & skf21("3","1","7","5","4","6","2","1") = "6"
    & skf21("3","1","7","5","4","6","3","1") = "6"
    & skf21("3","1","7","5","4","6","4","1") = "6"
    & skf21("3","1","7","5","4","6","5","1") = "6"
    & skf21("3","1","7","5","4","6","6","1") = "6"
    & skf21("3","1","7","5","4","6","7","1") = "6"
    & skf21("3","1","7","5","4","7","1","1") = "6"
    & skf21("3","1","7","5","4","7","2","1") = "6"
    & skf21("3","1","7","5","4","7","3","1") = "6"
    & skf21("3","1","7","5","4","7","4","1") = "6"
    & skf21("3","1","7","5","4","7","5","1") = "6"
    & skf21("3","1","7","5","4","7","6","1") = "6"
    & skf21("3","1","7","5","4","7","7","1") = "6"
    & skf21("3","1","7","5","5","1","1","1") = "6"
    & skf21("3","1","7","5","5","1","2","1") = "6"
    & skf21("3","1","7","5","5","1","3","1") = "6"
    & skf21("3","1","7","5","5","1","4","1") = "6"
    & skf21("3","1","7","5","5","1","5","1") = "6"
    & skf21("3","1","7","5","5","1","6","1") = "6"
    & skf21("3","1","7","5","5","1","7","1") = "6"
    & skf21("3","1","7","5","5","2","1","1") = "6"
    & skf21("3","1","7","5","5","2","2","1") = "6"
    & skf21("3","1","7","5","5","2","3","1") = "6"
    & skf21("3","1","7","5","5","2","4","1") = "6"
    & skf21("3","1","7","5","5","2","5","1") = "6"
    & skf21("3","1","7","5","5","2","6","1") = "6"
    & skf21("3","1","7","5","5","2","7","1") = "6"
    & skf21("3","1","7","5","5","3","1","1") = "6"
    & skf21("3","1","7","5","5","3","2","1") = "6"
    & skf21("3","1","7","5","5","3","3","1") = "6"
    & skf21("3","1","7","5","5","3","4","1") = "6"
    & skf21("3","1","7","5","5","3","5","1") = "6"
    & skf21("3","1","7","5","5","3","6","1") = "6"
    & skf21("3","1","7","5","5","3","7","1") = "6"
    & skf21("3","1","7","5","5","4","1","1") = "6"
    & skf21("3","1","7","5","5","4","2","1") = "6"
    & skf21("3","1","7","5","5","4","3","1") = "6"
    & skf21("3","1","7","5","5","4","4","1") = "6"
    & skf21("3","1","7","5","5","4","5","1") = "6"
    & skf21("3","1","7","5","5","4","6","1") = "6"
    & skf21("3","1","7","5","5","4","7","1") = "6"
    & skf21("3","1","7","5","5","5","1","1") = "6"
    & skf21("3","1","7","5","5","5","2","1") = "6"
    & skf21("3","1","7","5","5","5","3","1") = "6"
    & skf21("3","1","7","5","5","5","4","1") = "6"
    & skf21("3","1","7","5","5","5","5","1") = "6"
    & skf21("3","1","7","5","5","5","6","1") = "6"
    & skf21("3","1","7","5","5","5","7","1") = "6"
    & skf21("3","1","7","5","5","6","1","1") = "6"
    & skf21("3","1","7","5","5","6","2","1") = "6"
    & skf21("3","1","7","5","5","6","3","1") = "6"
    & skf21("3","1","7","5","5","6","4","1") = "6"
    & skf21("3","1","7","5","5","6","5","1") = "6"
    & skf21("3","1","7","5","5","6","6","1") = "6"
    & skf21("3","1","7","5","5","6","7","1") = "6"
    & skf21("3","1","7","5","5","7","1","1") = "6"
    & skf21("3","1","7","5","5","7","2","1") = "6"
    & skf21("3","1","7","5","5","7","3","1") = "6"
    & skf21("3","1","7","5","5","7","4","1") = "6"
    & skf21("3","1","7","5","5","7","5","1") = "6"
    & skf21("3","1","7","5","5","7","6","1") = "6"
    & skf21("3","1","7","5","5","7","7","1") = "6"
    & skf21("3","1","7","5","6","1","1","1") = "6"
    & skf21("3","1","7","5","6","1","2","1") = "6"
    & skf21("3","1","7","5","6","1","3","1") = "6"
    & skf21("3","1","7","5","6","1","4","1") = "6"
    & skf21("3","1","7","5","6","1","5","1") = "6"
    & skf21("3","1","7","5","6","1","6","1") = "6"
    & skf21("3","1","7","5","6","1","7","1") = "6"
    & skf21("3","1","7","5","6","2","1","1") = "6"
    & skf21("3","1","7","5","6","2","2","1") = "6"
    & skf21("3","1","7","5","6","2","3","1") = "6"
    & skf21("3","1","7","5","6","2","4","1") = "6"
    & skf21("3","1","7","5","6","2","5","1") = "6"
    & skf21("3","1","7","5","6","2","6","1") = "6"
    & skf21("3","1","7","5","6","2","7","1") = "6"
    & skf21("3","1","7","5","6","3","1","1") = "6"
    & skf21("3","1","7","5","6","3","2","1") = "6"
    & skf21("3","1","7","5","6","3","3","1") = "6"
    & skf21("3","1","7","5","6","3","4","1") = "6"
    & skf21("3","1","7","5","6","3","5","1") = "6"
    & skf21("3","1","7","5","6","3","6","1") = "6"
    & skf21("3","1","7","5","6","3","7","1") = "6"
    & skf21("3","1","7","5","6","4","1","1") = "6"
    & skf21("3","1","7","5","6","4","2","1") = "6"
    & skf21("3","1","7","5","6","4","3","1") = "6"
    & skf21("3","1","7","5","6","4","4","1") = "6"
    & skf21("3","1","7","5","6","4","5","1") = "6"
    & skf21("3","1","7","5","6","4","6","1") = "6"
    & skf21("3","1","7","5","6","4","7","1") = "6"
    & skf21("3","1","7","5","6","5","1","1") = "6"
    & skf21("3","1","7","5","6","5","2","1") = "6"
    & skf21("3","1","7","5","6","5","3","1") = "6"
    & skf21("3","1","7","5","6","5","4","1") = "6"
    & skf21("3","1","7","5","6","5","5","1") = "6"
    & skf21("3","1","7","5","6","5","6","1") = "6"
    & skf21("3","1","7","5","6","5","7","1") = "6"
    & skf21("3","1","7","5","6","6","1","1") = "6"
    & skf21("3","1","7","5","6","6","2","1") = "6"
    & skf21("3","1","7","5","6","6","3","1") = "6"
    & skf21("3","1","7","5","6","6","4","1") = "6"
    & skf21("3","1","7","5","6","6","5","1") = "6"
    & skf21("3","1","7","5","6","6","6","1") = "6"
    & skf21("3","1","7","5","6","6","7","1") = "6"
    & skf21("3","1","7","5","6","7","1","1") = "6"
    & skf21("3","1","7","5","6","7","2","1") = "6"
    & skf21("3","1","7","5","6","7","3","1") = "6"
    & skf21("3","1","7","5","6","7","4","1") = "6"
    & skf21("3","1","7","5","6","7","5","1") = "6"
    & skf21("3","1","7","5","6","7","6","1") = "6"
    & skf21("3","1","7","5","6","7","7","1") = "6"
    & skf21("3","1","7","5","7","1","1","1") = "6"
    & skf21("3","1","7","5","7","1","2","1") = "6"
    & skf21("3","1","7","5","7","1","3","1") = "6"
    & skf21("3","1","7","5","7","1","4","1") = "6"
    & skf21("3","1","7","5","7","1","5","1") = "6"
    & skf21("3","1","7","5","7","1","6","1") = "6"
    & skf21("3","1","7","5","7","1","7","1") = "6"
    & skf21("3","1","7","5","7","2","1","1") = "6"
    & skf21("3","1","7","5","7","2","2","1") = "6"
    & skf21("3","1","7","5","7","2","3","1") = "6"
    & skf21("3","1","7","5","7","2","4","1") = "6"
    & skf21("3","1","7","5","7","2","5","1") = "6"
    & skf21("3","1","7","5","7","2","6","1") = "6"
    & skf21("3","1","7","5","7","2","7","1") = "6"
    & skf21("3","1","7","5","7","3","1","1") = "6"
    & skf21("3","1","7","5","7","3","2","1") = "6"
    & skf21("3","1","7","5","7","3","3","1") = "6"
    & skf21("3","1","7","5","7","3","4","1") = "6"
    & skf21("3","1","7","5","7","3","5","1") = "6"
    & skf21("3","1","7","5","7","3","6","1") = "6"
    & skf21("3","1","7","5","7","3","7","1") = "6"
    & skf21("3","1","7","5","7","4","1","1") = "6"
    & skf21("3","1","7","5","7","4","2","1") = "6"
    & skf21("3","1","7","5","7","4","3","1") = "6"
    & skf21("3","1","7","5","7","4","4","1") = "6"
    & skf21("3","1","7","5","7","4","5","1") = "6"
    & skf21("3","1","7","5","7","4","6","1") = "6"
    & skf21("3","1","7","5","7","4","7","1") = "6"
    & skf21("3","1","7","5","7","5","1","1") = "6"
    & skf21("3","1","7","5","7","5","2","1") = "6"
    & skf21("3","1","7","5","7","5","3","1") = "6"
    & skf21("3","1","7","5","7","5","4","1") = "6"
    & skf21("3","1","7","5","7","5","5","1") = "6"
    & skf21("3","1","7","5","7","5","6","1") = "6"
    & skf21("3","1","7","5","7","5","7","1") = "6"
    & skf21("3","1","7","5","7","6","1","1") = "6"
    & skf21("3","1","7","5","7","6","2","1") = "6"
    & skf21("3","1","7","5","7","6","3","1") = "6"
    & skf21("3","1","7","5","7","6","4","1") = "6"
    & skf21("3","1","7","5","7","6","5","1") = "6"
    & skf21("3","1","7","5","7","6","6","1") = "6"
    & skf21("3","1","7","5","7","6","7","1") = "6"
    & skf21("3","1","7","5","7","7","1","1") = "6"
    & skf21("3","1","7","5","7","7","2","1") = "6"
    & skf21("3","1","7","5","7","7","3","1") = "6"
    & skf21("3","1","7","5","7","7","4","1") = "6"
    & skf21("3","1","7","5","7","7","5","1") = "6"
    & skf21("3","1","7","5","7","7","6","1") = "6"
    & skf21("3","1","7","5","7","7","7","1") = "6"
    & skf21("3","1","7","6","1","1","1","1") = "6"
    & skf21("3","1","7","6","1","1","2","1") = "6"
    & skf21("3","1","7","6","1","1","3","1") = "6"
    & skf21("3","1","7","6","1","1","4","1") = "6"
    & skf21("3","1","7","6","1","1","5","1") = "6"
    & skf21("3","1","7","6","1","1","6","1") = "6"
    & skf21("3","1","7","6","1","1","7","1") = "6"
    & skf21("3","1","7","6","1","2","1","1") = "6"
    & skf21("3","1","7","6","1","2","2","1") = "6"
    & skf21("3","1","7","6","1","2","3","1") = "6"
    & skf21("3","1","7","6","1","2","4","1") = "6"
    & skf21("3","1","7","6","1","2","5","1") = "6"
    & skf21("3","1","7","6","1","2","6","1") = "6"
    & skf21("3","1","7","6","1","2","7","1") = "6"
    & skf21("3","1","7","6","1","3","1","1") = "6"
    & skf21("3","1","7","6","1","3","2","1") = "6"
    & skf21("3","1","7","6","1","3","3","1") = "6"
    & skf21("3","1","7","6","1","3","4","1") = "6"
    & skf21("3","1","7","6","1","3","5","1") = "6"
    & skf21("3","1","7","6","1","3","6","1") = "6"
    & skf21("3","1","7","6","1","3","7","1") = "6"
    & skf21("3","1","7","6","1","4","1","1") = "6"
    & skf21("3","1","7","6","1","4","2","1") = "6"
    & skf21("3","1","7","6","1","4","3","1") = "6"
    & skf21("3","1","7","6","1","4","4","1") = "6"
    & skf21("3","1","7","6","1","4","5","1") = "6"
    & skf21("3","1","7","6","1","4","6","1") = "6"
    & skf21("3","1","7","6","1","4","7","1") = "6"
    & skf21("3","1","7","6","1","5","1","1") = "6"
    & skf21("3","1","7","6","1","5","2","1") = "6"
    & skf21("3","1","7","6","1","5","3","1") = "6"
    & skf21("3","1","7","6","1","5","4","1") = "6"
    & skf21("3","1","7","6","1","5","5","1") = "6"
    & skf21("3","1","7","6","1","5","6","1") = "6"
    & skf21("3","1","7","6","1","5","7","1") = "6"
    & skf21("3","1","7","6","1","6","1","1") = "6"
    & skf21("3","1","7","6","1","6","2","1") = "6"
    & skf21("3","1","7","6","1","6","3","1") = "6"
    & skf21("3","1","7","6","1","6","4","1") = "6"
    & skf21("3","1","7","6","1","6","5","1") = "6"
    & skf21("3","1","7","6","1","6","6","1") = "6"
    & skf21("3","1","7","6","1","6","7","1") = "6"
    & skf21("3","1","7","6","1","7","1","1") = "6"
    & skf21("3","1","7","6","1","7","2","1") = "6"
    & skf21("3","1","7","6","1","7","3","1") = "6"
    & skf21("3","1","7","6","1","7","4","1") = "6"
    & skf21("3","1","7","6","1","7","5","1") = "6"
    & skf21("3","1","7","6","1","7","6","1") = "6"
    & skf21("3","1","7","6","1","7","7","1") = "6"
    & skf21("3","1","7","6","2","1","1","1") = "6"
    & skf21("3","1","7","6","2","1","2","1") = "6"
    & skf21("3","1","7","6","2","1","3","1") = "6"
    & skf21("3","1","7","6","2","1","4","1") = "6"
    & skf21("3","1","7","6","2","1","5","1") = "6"
    & skf21("3","1","7","6","2","1","6","1") = "6"
    & skf21("3","1","7","6","2","1","7","1") = "6"
    & skf21("3","1","7","6","2","2","1","1") = "6"
    & skf21("3","1","7","6","2","2","2","1") = "6"
    & skf21("3","1","7","6","2","2","3","1") = "6"
    & skf21("3","1","7","6","2","2","4","1") = "6"
    & skf21("3","1","7","6","2","2","5","1") = "6"
    & skf21("3","1","7","6","2","2","6","1") = "6"
    & skf21("3","1","7","6","2","2","7","1") = "6"
    & skf21("3","1","7","6","2","3","1","1") = "6"
    & skf21("3","1","7","6","2","3","2","1") = "6"
    & skf21("3","1","7","6","2","3","3","1") = "6"
    & skf21("3","1","7","6","2","3","4","1") = "6"
    & skf21("3","1","7","6","2","3","5","1") = "6"
    & skf21("3","1","7","6","2","3","6","1") = "6"
    & skf21("3","1","7","6","2","3","7","1") = "6"
    & skf21("3","1","7","6","2","4","1","1") = "6"
    & skf21("3","1","7","6","2","4","2","1") = "6"
    & skf21("3","1","7","6","2","4","3","1") = "6"
    & skf21("3","1","7","6","2","4","4","1") = "6"
    & skf21("3","1","7","6","2","4","5","1") = "6"
    & skf21("3","1","7","6","2","4","6","1") = "6"
    & skf21("3","1","7","6","2","4","7","1") = "6"
    & skf21("3","1","7","6","2","5","1","1") = "6"
    & skf21("3","1","7","6","2","5","2","1") = "6"
    & skf21("3","1","7","6","2","5","3","1") = "6"
    & skf21("3","1","7","6","2","5","4","1") = "6"
    & skf21("3","1","7","6","2","5","5","1") = "6"
    & skf21("3","1","7","6","2","5","6","1") = "6"
    & skf21("3","1","7","6","2","5","7","1") = "6"
    & skf21("3","1","7","6","2","6","1","1") = "6"
    & skf21("3","1","7","6","2","6","2","1") = "6"
    & skf21("3","1","7","6","2","6","3","1") = "6"
    & skf21("3","1","7","6","2","6","4","1") = "6"
    & skf21("3","1","7","6","2","6","5","1") = "6"
    & skf21("3","1","7","6","2","6","6","1") = "6"
    & skf21("3","1","7","6","2","6","7","1") = "6"
    & skf21("3","1","7","6","2","7","1","1") = "6"
    & skf21("3","1","7","6","2","7","2","1") = "6"
    & skf21("3","1","7","6","2","7","3","1") = "6"
    & skf21("3","1","7","6","2","7","4","1") = "6"
    & skf21("3","1","7","6","2","7","5","1") = "6"
    & skf21("3","1","7","6","2","7","6","1") = "6"
    & skf21("3","1","7","6","2","7","7","1") = "6"
    & skf21("3","1","7","6","3","1","1","1") = "6"
    & skf21("3","1","7","6","3","1","2","1") = "6"
    & skf21("3","1","7","6","3","1","3","1") = "6"
    & skf21("3","1","7","6","3","1","4","1") = "6"
    & skf21("3","1","7","6","3","1","5","1") = "6"
    & skf21("3","1","7","6","3","1","6","1") = "6"
    & skf21("3","1","7","6","3","1","7","1") = "6"
    & skf21("3","1","7","6","3","2","1","1") = "6"
    & skf21("3","1","7","6","3","2","2","1") = "6"
    & skf21("3","1","7","6","3","2","3","1") = "6"
    & skf21("3","1","7","6","3","2","4","1") = "6"
    & skf21("3","1","7","6","3","2","5","1") = "6"
    & skf21("3","1","7","6","3","2","6","1") = "6"
    & skf21("3","1","7","6","3","2","7","1") = "6"
    & skf21("3","1","7","6","3","3","1","1") = "6"
    & skf21("3","1","7","6","3","3","2","1") = "6"
    & skf21("3","1","7","6","3","3","3","1") = "6"
    & skf21("3","1","7","6","3","3","4","1") = "6"
    & skf21("3","1","7","6","3","3","5","1") = "6"
    & skf21("3","1","7","6","3","3","6","1") = "6"
    & skf21("3","1","7","6","3","3","7","1") = "6"
    & skf21("3","1","7","6","3","4","1","1") = "6"
    & skf21("3","1","7","6","3","4","2","1") = "6"
    & skf21("3","1","7","6","3","4","3","1") = "6"
    & skf21("3","1","7","6","3","4","4","1") = "6"
    & skf21("3","1","7","6","3","4","5","1") = "6"
    & skf21("3","1","7","6","3","4","6","1") = "6"
    & skf21("3","1","7","6","3","4","7","1") = "6"
    & skf21("3","1","7","6","3","5","1","1") = "6"
    & skf21("3","1","7","6","3","5","2","1") = "6"
    & skf21("3","1","7","6","3","5","3","1") = "6"
    & skf21("3","1","7","6","3","5","4","1") = "6"
    & skf21("3","1","7","6","3","5","5","1") = "6"
    & skf21("3","1","7","6","3","5","6","1") = "6"
    & skf21("3","1","7","6","3","5","7","1") = "6"
    & skf21("3","1","7","6","3","6","1","1") = "6"
    & skf21("3","1","7","6","3","6","2","1") = "6"
    & skf21("3","1","7","6","3","6","3","1") = "6"
    & skf21("3","1","7","6","3","6","4","1") = "6"
    & skf21("3","1","7","6","3","6","5","1") = "6"
    & skf21("3","1","7","6","3","6","6","1") = "6"
    & skf21("3","1","7","6","3","6","7","1") = "6"
    & skf21("3","1","7","6","3","7","1","1") = "6"
    & skf21("3","1","7","6","3","7","2","1") = "6"
    & skf21("3","1","7","6","3","7","3","1") = "6"
    & skf21("3","1","7","6","3","7","4","1") = "6"
    & skf21("3","1","7","6","3","7","5","1") = "6"
    & skf21("3","1","7","6","3","7","6","1") = "6"
    & skf21("3","1","7","6","3","7","7","1") = "6"
    & skf21("3","1","7","6","4","1","1","1") = "6"
    & skf21("3","1","7","6","4","1","2","1") = "6"
    & skf21("3","1","7","6","4","1","3","1") = "6"
    & skf21("3","1","7","6","4","1","4","1") = "6"
    & skf21("3","1","7","6","4","1","5","1") = "6"
    & skf21("3","1","7","6","4","1","6","1") = "6"
    & skf21("3","1","7","6","4","1","7","1") = "6"
    & skf21("3","1","7","6","4","2","1","1") = "6"
    & skf21("3","1","7","6","4","2","2","1") = "6"
    & skf21("3","1","7","6","4","2","3","1") = "6"
    & skf21("3","1","7","6","4","2","4","1") = "6"
    & skf21("3","1","7","6","4","2","5","1") = "6"
    & skf21("3","1","7","6","4","2","6","1") = "6"
    & skf21("3","1","7","6","4","2","7","1") = "6"
    & skf21("3","1","7","6","4","3","1","1") = "6"
    & skf21("3","1","7","6","4","3","2","1") = "6"
    & skf21("3","1","7","6","4","3","3","1") = "6"
    & skf21("3","1","7","6","4","3","4","1") = "6"
    & skf21("3","1","7","6","4","3","5","1") = "6"
    & skf21("3","1","7","6","4","3","6","1") = "6"
    & skf21("3","1","7","6","4","3","7","1") = "6"
    & skf21("3","1","7","6","4","4","1","1") = "6"
    & skf21("3","1","7","6","4","4","2","1") = "6"
    & skf21("3","1","7","6","4","4","3","1") = "6"
    & skf21("3","1","7","6","4","4","4","1") = "6"
    & skf21("3","1","7","6","4","4","5","1") = "6"
    & skf21("3","1","7","6","4","4","6","1") = "6"
    & skf21("3","1","7","6","4","4","7","1") = "6"
    & skf21("3","1","7","6","4","5","1","1") = "6"
    & skf21("3","1","7","6","4","5","2","1") = "6"
    & skf21("3","1","7","6","4","5","3","1") = "6"
    & skf21("3","1","7","6","4","5","4","1") = "6"
    & skf21("3","1","7","6","4","5","5","1") = "6"
    & skf21("3","1","7","6","4","5","6","1") = "6"
    & skf21("3","1","7","6","4","5","7","1") = "6"
    & skf21("3","1","7","6","4","6","1","1") = "6"
    & skf21("3","1","7","6","4","6","2","1") = "6"
    & skf21("3","1","7","6","4","6","3","1") = "6"
    & skf21("3","1","7","6","4","6","4","1") = "6"
    & skf21("3","1","7","6","4","6","5","1") = "6"
    & skf21("3","1","7","6","4","6","6","1") = "6"
    & skf21("3","1","7","6","4","6","7","1") = "6"
    & skf21("3","1","7","6","4","7","1","1") = "6"
    & skf21("3","1","7","6","4","7","2","1") = "6"
    & skf21("3","1","7","6","4","7","3","1") = "6"
    & skf21("3","1","7","6","4","7","4","1") = "6"
    & skf21("3","1","7","6","4","7","5","1") = "6"
    & skf21("3","1","7","6","4","7","6","1") = "6"
    & skf21("3","1","7","6","4","7","7","1") = "6"
    & skf21("3","1","7","6","5","1","1","1") = "6"
    & skf21("3","1","7","6","5","1","2","1") = "6"
    & skf21("3","1","7","6","5","1","3","1") = "6"
    & skf21("3","1","7","6","5","1","4","1") = "6"
    & skf21("3","1","7","6","5","1","5","1") = "6"
    & skf21("3","1","7","6","5","1","6","1") = "6"
    & skf21("3","1","7","6","5","1","7","1") = "6"
    & skf21("3","1","7","6","5","2","1","1") = "6"
    & skf21("3","1","7","6","5","2","2","1") = "6"
    & skf21("3","1","7","6","5","2","3","1") = "6"
    & skf21("3","1","7","6","5","2","4","1") = "6"
    & skf21("3","1","7","6","5","2","5","1") = "6"
    & skf21("3","1","7","6","5","2","6","1") = "6"
    & skf21("3","1","7","6","5","2","7","1") = "6"
    & skf21("3","1","7","6","5","3","1","1") = "6"
    & skf21("3","1","7","6","5","3","2","1") = "6"
    & skf21("3","1","7","6","5","3","3","1") = "6"
    & skf21("3","1","7","6","5","3","4","1") = "6"
    & skf21("3","1","7","6","5","3","5","1") = "6"
    & skf21("3","1","7","6","5","3","6","1") = "6"
    & skf21("3","1","7","6","5","3","7","1") = "6"
    & skf21("3","1","7","6","5","4","1","1") = "6"
    & skf21("3","1","7","6","5","4","2","1") = "6"
    & skf21("3","1","7","6","5","4","3","1") = "6"
    & skf21("3","1","7","6","5","4","4","1") = "6"
    & skf21("3","1","7","6","5","4","5","1") = "6"
    & skf21("3","1","7","6","5","4","6","1") = "6"
    & skf21("3","1","7","6","5","4","7","1") = "6"
    & skf21("3","1","7","6","5","5","1","1") = "6"
    & skf21("3","1","7","6","5","5","2","1") = "6"
    & skf21("3","1","7","6","5","5","3","1") = "6"
    & skf21("3","1","7","6","5","5","4","1") = "6"
    & skf21("3","1","7","6","5","5","5","1") = "6"
    & skf21("3","1","7","6","5","5","6","1") = "6"
    & skf21("3","1","7","6","5","5","7","1") = "6"
    & skf21("3","1","7","6","5","6","1","1") = "6"
    & skf21("3","1","7","6","5","6","2","1") = "6"
    & skf21("3","1","7","6","5","6","3","1") = "6"
    & skf21("3","1","7","6","5","6","4","1") = "6"
    & skf21("3","1","7","6","5","6","5","1") = "6"
    & skf21("3","1","7","6","5","6","6","1") = "6"
    & skf21("3","1","7","6","5","6","7","1") = "6"
    & skf21("3","1","7","6","5","7","1","1") = "6"
    & skf21("3","1","7","6","5","7","2","1") = "6"
    & skf21("3","1","7","6","5","7","3","1") = "6"
    & skf21("3","1","7","6","5","7","4","1") = "6"
    & skf21("3","1","7","6","5","7","5","1") = "6"
    & skf21("3","1","7","6","5","7","6","1") = "6"
    & skf21("3","1","7","6","5","7","7","1") = "6"
    & skf21("3","1","7","6","6","1","1","1") = "6"
    & skf21("3","1","7","6","6","1","2","1") = "6"
    & skf21("3","1","7","6","6","1","3","1") = "6"
    & skf21("3","1","7","6","6","1","4","1") = "6"
    & skf21("3","1","7","6","6","1","5","1") = "6"
    & skf21("3","1","7","6","6","1","6","1") = "6"
    & skf21("3","1","7","6","6","1","7","1") = "6"
    & skf21("3","1","7","6","6","2","1","1") = "6"
    & skf21("3","1","7","6","6","2","2","1") = "6"
    & skf21("3","1","7","6","6","2","3","1") = "6"
    & skf21("3","1","7","6","6","2","4","1") = "6"
    & skf21("3","1","7","6","6","2","5","1") = "6"
    & skf21("3","1","7","6","6","2","6","1") = "6"
    & skf21("3","1","7","6","6","2","7","1") = "6"
    & skf21("3","1","7","6","6","3","1","1") = "6"
    & skf21("3","1","7","6","6","3","2","1") = "6"
    & skf21("3","1","7","6","6","3","3","1") = "6"
    & skf21("3","1","7","6","6","3","4","1") = "6"
    & skf21("3","1","7","6","6","3","5","1") = "6"
    & skf21("3","1","7","6","6","3","6","1") = "6"
    & skf21("3","1","7","6","6","3","7","1") = "6"
    & skf21("3","1","7","6","6","4","1","1") = "6"
    & skf21("3","1","7","6","6","4","2","1") = "6"
    & skf21("3","1","7","6","6","4","3","1") = "6"
    & skf21("3","1","7","6","6","4","4","1") = "6"
    & skf21("3","1","7","6","6","4","5","1") = "6"
    & skf21("3","1","7","6","6","4","6","1") = "6"
    & skf21("3","1","7","6","6","4","7","1") = "6"
    & skf21("3","1","7","6","6","5","1","1") = "6"
    & skf21("3","1","7","6","6","5","2","1") = "6"
    & skf21("3","1","7","6","6","5","3","1") = "6"
    & skf21("3","1","7","6","6","5","4","1") = "6"
    & skf21("3","1","7","6","6","5","5","1") = "6"
    & skf21("3","1","7","6","6","5","6","1") = "6"
    & skf21("3","1","7","6","6","5","7","1") = "6"
    & skf21("3","1","7","6","6","6","1","1") = "6"
    & skf21("3","1","7","6","6","6","2","1") = "6"
    & skf21("3","1","7","6","6","6","3","1") = "6"
    & skf21("3","1","7","6","6","6","4","1") = "6"
    & skf21("3","1","7","6","6","6","5","1") = "6"
    & skf21("3","1","7","6","6","6","6","1") = "6"
    & skf21("3","1","7","6","6","6","7","1") = "6"
    & skf21("3","1","7","6","6","7","1","1") = "6"
    & skf21("3","1","7","6","6","7","2","1") = "6"
    & skf21("3","1","7","6","6","7","3","1") = "6"
    & skf21("3","1","7","6","6","7","4","1") = "6"
    & skf21("3","1","7","6","6","7","5","1") = "6"
    & skf21("3","1","7","6","6","7","6","1") = "6"
    & skf21("3","1","7","6","6","7","7","1") = "6"
    & skf21("3","1","7","6","7","1","1","1") = "6"
    & skf21("3","1","7","6","7","1","2","1") = "6"
    & skf21("3","1","7","6","7","1","3","1") = "6"
    & skf21("3","1","7","6","7","1","4","1") = "6"
    & skf21("3","1","7","6","7","1","5","1") = "6"
    & skf21("3","1","7","6","7","1","6","1") = "6"
    & skf21("3","1","7","6","7","1","7","1") = "6"
    & skf21("3","1","7","6","7","2","1","1") = "6"
    & skf21("3","1","7","6","7","2","2","1") = "6"
    & skf21("3","1","7","6","7","2","3","1") = "6"
    & skf21("3","1","7","6","7","2","4","1") = "6"
    & skf21("3","1","7","6","7","2","5","1") = "6"
    & skf21("3","1","7","6","7","2","6","1") = "6"
    & skf21("3","1","7","6","7","2","7","1") = "6"
    & skf21("3","1","7","6","7","3","1","1") = "6"
    & skf21("3","1","7","6","7","3","2","1") = "6"
    & skf21("3","1","7","6","7","3","3","1") = "6"
    & skf21("3","1","7","6","7","3","4","1") = "6"
    & skf21("3","1","7","6","7","3","5","1") = "6"
    & skf21("3","1","7","6","7","3","6","1") = "6"
    & skf21("3","1","7","6","7","3","7","1") = "6"
    & skf21("3","1","7","6","7","4","1","1") = "6"
    & skf21("3","1","7","6","7","4","2","1") = "6"
    & skf21("3","1","7","6","7","4","3","1") = "6"
    & skf21("3","1","7","6","7","4","4","1") = "6"
    & skf21("3","1","7","6","7","4","5","1") = "6"
    & skf21("3","1","7","6","7","4","6","1") = "6"
    & skf21("3","1","7","6","7","4","7","1") = "6"
    & skf21("3","1","7","6","7","5","1","1") = "6"
    & skf21("3","1","7","6","7","5","2","1") = "6"
    & skf21("3","1","7","6","7","5","3","1") = "6"
    & skf21("3","1","7","6","7","5","4","1") = "6"
    & skf21("3","1","7","6","7","5","5","1") = "6"
    & skf21("3","1","7","6","7","5","6","1") = "6"
    & skf21("3","1","7","6","7","5","7","1") = "6"
    & skf21("3","1","7","6","7","6","1","1") = "6"
    & skf21("3","1","7","6","7","6","2","1") = "6"
    & skf21("3","1","7","6","7","6","3","1") = "6"
    & skf21("3","1","7","6","7","6","4","1") = "6"
    & skf21("3","1","7","6","7","6","5","1") = "6"
    & skf21("3","1","7","6","7","6","6","1") = "6"
    & skf21("3","1","7","6","7","6","7","1") = "6"
    & skf21("3","1","7","6","7","7","1","1") = "6"
    & skf21("3","1","7","6","7","7","2","1") = "6"
    & skf21("3","1","7","6","7","7","3","1") = "6"
    & skf21("3","1","7","6","7","7","4","1") = "6"
    & skf21("3","1","7","6","7","7","5","1") = "6"
    & skf21("3","1","7","6","7","7","6","1") = "6"
    & skf21("3","1","7","6","7","7","7","1") = "6"
    & skf21("3","1","7","7","1","1","1","1") = "6"
    & skf21("3","1","7","7","1","1","2","1") = "6"
    & skf21("3","1","7","7","1","1","3","1") = "6"
    & skf21("3","1","7","7","1","1","4","1") = "6"
    & skf21("3","1","7","7","1","1","5","1") = "6"
    & skf21("3","1","7","7","1","1","6","1") = "6"
    & skf21("3","1","7","7","1","1","7","1") = "6"
    & skf21("3","1","7","7","1","2","1","1") = "6"
    & skf21("3","1","7","7","1","2","2","1") = "6"
    & skf21("3","1","7","7","1","2","3","1") = "6"
    & skf21("3","1","7","7","1","2","4","1") = "6"
    & skf21("3","1","7","7","1","2","5","1") = "6"
    & skf21("3","1","7","7","1","2","6","1") = "6"
    & skf21("3","1","7","7","1","2","7","1") = "6"
    & skf21("3","1","7","7","1","3","1","1") = "6"
    & skf21("3","1","7","7","1","3","2","1") = "6"
    & skf21("3","1","7","7","1","3","3","1") = "6"
    & skf21("3","1","7","7","1","3","4","1") = "6"
    & skf21("3","1","7","7","1","3","5","1") = "6"
    & skf21("3","1","7","7","1","3","6","1") = "6"
    & skf21("3","1","7","7","1","3","7","1") = "6"
    & skf21("3","1","7","7","1","4","1","1") = "6"
    & skf21("3","1","7","7","1","4","2","1") = "6"
    & skf21("3","1","7","7","1","4","3","1") = "6"
    & skf21("3","1","7","7","1","4","4","1") = "6"
    & skf21("3","1","7","7","1","4","5","1") = "6"
    & skf21("3","1","7","7","1","4","6","1") = "6"
    & skf21("3","1","7","7","1","4","7","1") = "6"
    & skf21("3","1","7","7","1","5","1","1") = "6"
    & skf21("3","1","7","7","1","5","2","1") = "6"
    & skf21("3","1","7","7","1","5","3","1") = "6"
    & skf21("3","1","7","7","1","5","4","1") = "6"
    & skf21("3","1","7","7","1","5","5","1") = "6"
    & skf21("3","1","7","7","1","5","6","1") = "6"
    & skf21("3","1","7","7","1","5","7","1") = "6"
    & skf21("3","1","7","7","1","6","1","1") = "6"
    & skf21("3","1","7","7","1","6","2","1") = "6"
    & skf21("3","1","7","7","1","6","3","1") = "6"
    & skf21("3","1","7","7","1","6","4","1") = "6"
    & skf21("3","1","7","7","1","6","5","1") = "6"
    & skf21("3","1","7","7","1","6","6","1") = "6"
    & skf21("3","1","7","7","1","6","7","1") = "6"
    & skf21("3","1","7","7","1","7","1","1") = "6"
    & skf21("3","1","7","7","1","7","2","1") = "6"
    & skf21("3","1","7","7","1","7","3","1") = "6"
    & skf21("3","1","7","7","1","7","4","1") = "6"
    & skf21("3","1","7","7","1","7","5","1") = "6"
    & skf21("3","1","7","7","1","7","6","1") = "6"
    & skf21("3","1","7","7","1","7","7","1") = "6"
    & skf21("3","1","7","7","2","1","1","1") = "6"
    & skf21("3","1","7","7","2","1","2","1") = "6"
    & skf21("3","1","7","7","2","1","3","1") = "6"
    & skf21("3","1","7","7","2","1","4","1") = "6"
    & skf21("3","1","7","7","2","1","5","1") = "6"
    & skf21("3","1","7","7","2","1","6","1") = "6"
    & skf21("3","1","7","7","2","1","7","1") = "6"
    & skf21("3","1","7","7","2","2","1","1") = "6"
    & skf21("3","1","7","7","2","2","2","1") = "6"
    & skf21("3","1","7","7","2","2","3","1") = "6"
    & skf21("3","1","7","7","2","2","4","1") = "6"
    & skf21("3","1","7","7","2","2","5","1") = "6"
    & skf21("3","1","7","7","2","2","6","1") = "6"
    & skf21("3","1","7","7","2","2","7","1") = "6"
    & skf21("3","1","7","7","2","3","1","1") = "6"
    & skf21("3","1","7","7","2","3","2","1") = "6"
    & skf21("3","1","7","7","2","3","3","1") = "6"
    & skf21("3","1","7","7","2","3","4","1") = "6"
    & skf21("3","1","7","7","2","3","5","1") = "6"
    & skf21("3","1","7","7","2","3","6","1") = "6"
    & skf21("3","1","7","7","2","3","7","1") = "6"
    & skf21("3","1","7","7","2","4","1","1") = "6"
    & skf21("3","1","7","7","2","4","2","1") = "6"
    & skf21("3","1","7","7","2","4","3","1") = "6"
    & skf21("3","1","7","7","2","4","4","1") = "6"
    & skf21("3","1","7","7","2","4","5","1") = "6"
    & skf21("3","1","7","7","2","4","6","1") = "6"
    & skf21("3","1","7","7","2","4","7","1") = "6"
    & skf21("3","1","7","7","2","5","1","1") = "6"
    & skf21("3","1","7","7","2","5","2","1") = "6"
    & skf21("3","1","7","7","2","5","3","1") = "6"
    & skf21("3","1","7","7","2","5","4","1") = "6"
    & skf21("3","1","7","7","2","5","5","1") = "6"
    & skf21("3","1","7","7","2","5","6","1") = "6"
    & skf21("3","1","7","7","2","5","7","1") = "6"
    & skf21("3","1","7","7","2","6","1","1") = "6"
    & skf21("3","1","7","7","2","6","2","1") = "6"
    & skf21("3","1","7","7","2","6","3","1") = "6"
    & skf21("3","1","7","7","2","6","4","1") = "6"
    & skf21("3","1","7","7","2","6","5","1") = "6"
    & skf21("3","1","7","7","2","6","6","1") = "6"
    & skf21("3","1","7","7","2","6","7","1") = "6"
    & skf21("3","1","7","7","2","7","1","1") = "6"
    & skf21("3","1","7","7","2","7","2","1") = "6"
    & skf21("3","1","7","7","2","7","3","1") = "6"
    & skf21("3","1","7","7","2","7","4","1") = "6"
    & skf21("3","1","7","7","2","7","5","1") = "6"
    & skf21("3","1","7","7","2","7","6","1") = "6"
    & skf21("3","1","7","7","2","7","7","1") = "6"
    & skf21("3","1","7","7","3","1","1","1") = "6"
    & skf21("3","1","7","7","3","1","2","1") = "6"
    & skf21("3","1","7","7","3","1","3","1") = "6"
    & skf21("3","1","7","7","3","1","4","1") = "6"
    & skf21("3","1","7","7","3","1","5","1") = "6"
    & skf21("3","1","7","7","3","1","6","1") = "6"
    & skf21("3","1","7","7","3","1","7","1") = "6"
    & skf21("3","1","7","7","3","2","1","1") = "6"
    & skf21("3","1","7","7","3","2","2","1") = "6"
    & skf21("3","1","7","7","3","2","3","1") = "6"
    & skf21("3","1","7","7","3","2","4","1") = "6"
    & skf21("3","1","7","7","3","2","5","1") = "6"
    & skf21("3","1","7","7","3","2","6","1") = "6"
    & skf21("3","1","7","7","3","2","7","1") = "6"
    & skf21("3","1","7","7","3","3","1","1") = "6"
    & skf21("3","1","7","7","3","3","2","1") = "6"
    & skf21("3","1","7","7","3","3","3","1") = "6"
    & skf21("3","1","7","7","3","3","4","1") = "6"
    & skf21("3","1","7","7","3","3","5","1") = "6"
    & skf21("3","1","7","7","3","3","6","1") = "6"
    & skf21("3","1","7","7","3","3","7","1") = "6"
    & skf21("3","1","7","7","3","4","1","1") = "6"
    & skf21("3","1","7","7","3","4","2","1") = "6"
    & skf21("3","1","7","7","3","4","3","1") = "6"
    & skf21("3","1","7","7","3","4","4","1") = "6"
    & skf21("3","1","7","7","3","4","5","1") = "6"
    & skf21("3","1","7","7","3","4","6","1") = "6"
    & skf21("3","1","7","7","3","4","7","1") = "6"
    & skf21("3","1","7","7","3","5","1","1") = "6"
    & skf21("3","1","7","7","3","5","2","1") = "6"
    & skf21("3","1","7","7","3","5","3","1") = "6"
    & skf21("3","1","7","7","3","5","4","1") = "6"
    & skf21("3","1","7","7","3","5","5","1") = "6"
    & skf21("3","1","7","7","3","5","6","1") = "6"
    & skf21("3","1","7","7","3","5","7","1") = "6"
    & skf21("3","1","7","7","3","6","1","1") = "6"
    & skf21("3","1","7","7","3","6","2","1") = "6"
    & skf21("3","1","7","7","3","6","3","1") = "6"
    & skf21("3","1","7","7","3","6","4","1") = "6"
    & skf21("3","1","7","7","3","6","5","1") = "6"
    & skf21("3","1","7","7","3","6","6","1") = "6"
    & skf21("3","1","7","7","3","6","7","1") = "6"
    & skf21("3","1","7","7","3","7","1","1") = "6"
    & skf21("3","1","7","7","3","7","2","1") = "6"
    & skf21("3","1","7","7","3","7","3","1") = "6"
    & skf21("3","1","7","7","3","7","4","1") = "6"
    & skf21("3","1","7","7","3","7","5","1") = "6"
    & skf21("3","1","7","7","3","7","6","1") = "6"
    & skf21("3","1","7","7","3","7","7","1") = "6"
    & skf21("3","1","7","7","4","1","1","1") = "6"
    & skf21("3","1","7","7","4","1","2","1") = "6"
    & skf21("3","1","7","7","4","1","3","1") = "6"
    & skf21("3","1","7","7","4","1","4","1") = "6"
    & skf21("3","1","7","7","4","1","5","1") = "6"
    & skf21("3","1","7","7","4","1","6","1") = "6"
    & skf21("3","1","7","7","4","1","7","1") = "6"
    & skf21("3","1","7","7","4","2","1","1") = "6"
    & skf21("3","1","7","7","4","2","2","1") = "6"
    & skf21("3","1","7","7","4","2","3","1") = "6"
    & skf21("3","1","7","7","4","2","4","1") = "6"
    & skf21("3","1","7","7","4","2","5","1") = "6"
    & skf21("3","1","7","7","4","2","6","1") = "6"
    & skf21("3","1","7","7","4","2","7","1") = "6"
    & skf21("3","1","7","7","4","3","1","1") = "6"
    & skf21("3","1","7","7","4","3","2","1") = "6"
    & skf21("3","1","7","7","4","3","3","1") = "6"
    & skf21("3","1","7","7","4","3","4","1") = "6"
    & skf21("3","1","7","7","4","3","5","1") = "6"
    & skf21("3","1","7","7","4","3","6","1") = "6"
    & skf21("3","1","7","7","4","3","7","1") = "6"
    & skf21("3","1","7","7","4","4","1","1") = "6"
    & skf21("3","1","7","7","4","4","2","1") = "6"
    & skf21("3","1","7","7","4","4","3","1") = "6"
    & skf21("3","1","7","7","4","4","4","1") = "6"
    & skf21("3","1","7","7","4","4","5","1") = "6"
    & skf21("3","1","7","7","4","4","6","1") = "6"
    & skf21("3","1","7","7","4","4","7","1") = "6"
    & skf21("3","1","7","7","4","5","1","1") = "6"
    & skf21("3","1","7","7","4","5","2","1") = "6"
    & skf21("3","1","7","7","4","5","3","1") = "6"
    & skf21("3","1","7","7","4","5","4","1") = "6"
    & skf21("3","1","7","7","4","5","5","1") = "6"
    & skf21("3","1","7","7","4","5","6","1") = "6"
    & skf21("3","1","7","7","4","5","7","1") = "6"
    & skf21("3","1","7","7","4","6","1","1") = "6"
    & skf21("3","1","7","7","4","6","2","1") = "6"
    & skf21("3","1","7","7","4","6","3","1") = "6"
    & skf21("3","1","7","7","4","6","4","1") = "6"
    & skf21("3","1","7","7","4","6","5","1") = "6"
    & skf21("3","1","7","7","4","6","6","1") = "6"
    & skf21("3","1","7","7","4","6","7","1") = "6"
    & skf21("3","1","7","7","4","7","1","1") = "6"
    & skf21("3","1","7","7","4","7","2","1") = "6"
    & skf21("3","1","7","7","4","7","3","1") = "6"
    & skf21("3","1","7","7","4","7","4","1") = "6"
    & skf21("3","1","7","7","4","7","5","1") = "6"
    & skf21("3","1","7","7","4","7","6","1") = "6"
    & skf21("3","1","7","7","4","7","7","1") = "6"
    & skf21("3","1","7","7","5","1","1","1") = "6"
    & skf21("3","1","7","7","5","1","2","1") = "6"
    & skf21("3","1","7","7","5","1","3","1") = "6"
    & skf21("3","1","7","7","5","1","4","1") = "6"
    & skf21("3","1","7","7","5","1","5","1") = "6"
    & skf21("3","1","7","7","5","1","6","1") = "6"
    & skf21("3","1","7","7","5","1","7","1") = "6"
    & skf21("3","1","7","7","5","2","1","1") = "6"
    & skf21("3","1","7","7","5","2","2","1") = "6"
    & skf21("3","1","7","7","5","2","3","1") = "6"
    & skf21("3","1","7","7","5","2","4","1") = "6"
    & skf21("3","1","7","7","5","2","5","1") = "6"
    & skf21("3","1","7","7","5","2","6","1") = "6"
    & skf21("3","1","7","7","5","2","7","1") = "6"
    & skf21("3","1","7","7","5","3","1","1") = "6"
    & skf21("3","1","7","7","5","3","2","1") = "6"
    & skf21("3","1","7","7","5","3","3","1") = "6"
    & skf21("3","1","7","7","5","3","4","1") = "6"
    & skf21("3","1","7","7","5","3","5","1") = "6"
    & skf21("3","1","7","7","5","3","6","1") = "6"
    & skf21("3","1","7","7","5","3","7","1") = "6"
    & skf21("3","1","7","7","5","4","1","1") = "6"
    & skf21("3","1","7","7","5","4","2","1") = "6"
    & skf21("3","1","7","7","5","4","3","1") = "6"
    & skf21("3","1","7","7","5","4","4","1") = "6"
    & skf21("3","1","7","7","5","4","5","1") = "6"
    & skf21("3","1","7","7","5","4","6","1") = "6"
    & skf21("3","1","7","7","5","4","7","1") = "6"
    & skf21("3","1","7","7","5","5","1","1") = "6"
    & skf21("3","1","7","7","5","5","2","1") = "6"
    & skf21("3","1","7","7","5","5","3","1") = "6"
    & skf21("3","1","7","7","5","5","4","1") = "6"
    & skf21("3","1","7","7","5","5","5","1") = "6"
    & skf21("3","1","7","7","5","5","6","1") = "6"
    & skf21("3","1","7","7","5","5","7","1") = "6"
    & skf21("3","1","7","7","5","6","1","1") = "6"
    & skf21("3","1","7","7","5","6","2","1") = "6"
    & skf21("3","1","7","7","5","6","3","1") = "6"
    & skf21("3","1","7","7","5","6","4","1") = "6"
    & skf21("3","1","7","7","5","6","5","1") = "6"
    & skf21("3","1","7","7","5","6","6","1") = "6"
    & skf21("3","1","7","7","5","6","7","1") = "6"
    & skf21("3","1","7","7","5","7","1","1") = "6"
    & skf21("3","1","7","7","5","7","2","1") = "6"
    & skf21("3","1","7","7","5","7","3","1") = "6"
    & skf21("3","1","7","7","5","7","4","1") = "6"
    & skf21("3","1","7","7","5","7","5","1") = "6"
    & skf21("3","1","7","7","5","7","6","1") = "6"
    & skf21("3","1","7","7","5","7","7","1") = "6"
    & skf21("3","1","7","7","6","1","1","1") = "6"
    & skf21("3","1","7","7","6","1","2","1") = "6"
    & skf21("3","1","7","7","6","1","3","1") = "6"
    & skf21("3","1","7","7","6","1","4","1") = "6"
    & skf21("3","1","7","7","6","1","5","1") = "6"
    & skf21("3","1","7","7","6","1","6","1") = "6"
    & skf21("3","1","7","7","6","1","7","1") = "6"
    & skf21("3","1","7","7","6","2","1","1") = "6"
    & skf21("3","1","7","7","6","2","2","1") = "6"
    & skf21("3","1","7","7","6","2","3","1") = "6"
    & skf21("3","1","7","7","6","2","4","1") = "6"
    & skf21("3","1","7","7","6","2","5","1") = "6"
    & skf21("3","1","7","7","6","2","6","1") = "6"
    & skf21("3","1","7","7","6","2","7","1") = "6"
    & skf21("3","1","7","7","6","3","1","1") = "6"
    & skf21("3","1","7","7","6","3","2","1") = "6"
    & skf21("3","1","7","7","6","3","3","1") = "6"
    & skf21("3","1","7","7","6","3","4","1") = "6"
    & skf21("3","1","7","7","6","3","5","1") = "6"
    & skf21("3","1","7","7","6","3","6","1") = "6"
    & skf21("3","1","7","7","6","3","7","1") = "6"
    & skf21("3","1","7","7","6","4","1","1") = "6"
    & skf21("3","1","7","7","6","4","2","1") = "6"
    & skf21("3","1","7","7","6","4","3","1") = "6"
    & skf21("3","1","7","7","6","4","4","1") = "6"
    & skf21("3","1","7","7","6","4","5","1") = "6"
    & skf21("3","1","7","7","6","4","6","1") = "6"
    & skf21("3","1","7","7","6","4","7","1") = "6"
    & skf21("3","1","7","7","6","5","1","1") = "6"
    & skf21("3","1","7","7","6","5","2","1") = "6"
    & skf21("3","1","7","7","6","5","3","1") = "6"
    & skf21("3","1","7","7","6","5","4","1") = "6"
    & skf21("3","1","7","7","6","5","5","1") = "6"
    & skf21("3","1","7","7","6","5","6","1") = "6"
    & skf21("3","1","7","7","6","5","7","1") = "6"
    & skf21("3","1","7","7","6","6","1","1") = "6"
    & skf21("3","1","7","7","6","6","2","1") = "6"
    & skf21("3","1","7","7","6","6","3","1") = "6"
    & skf21("3","1","7","7","6","6","4","1") = "6"
    & skf21("3","1","7","7","6","6","5","1") = "6"
    & skf21("3","1","7","7","6","6","6","1") = "6"
    & skf21("3","1","7","7","6","6","7","1") = "6"
    & skf21("3","1","7","7","6","7","1","1") = "6"
    & skf21("3","1","7","7","6","7","2","1") = "6"
    & skf21("3","1","7","7","6","7","3","1") = "6"
    & skf21("3","1","7","7","6","7","4","1") = "6"
    & skf21("3","1","7","7","6","7","5","1") = "6"
    & skf21("3","1","7","7","6","7","6","1") = "6"
    & skf21("3","1","7","7","6","7","7","1") = "6"
    & skf21("3","1","7","7","7","1","1","1") = "6"
    & skf21("3","1","7","7","7","1","2","1") = "6"
    & skf21("3","1","7","7","7","1","3","1") = "6"
    & skf21("3","1","7","7","7","1","4","1") = "6"
    & skf21("3","1","7","7","7","1","5","1") = "6"
    & skf21("3","1","7","7","7","1","6","1") = "6"
    & skf21("3","1","7","7","7","1","7","1") = "6"
    & skf21("3","1","7","7","7","2","1","1") = "6"
    & skf21("3","1","7","7","7","2","2","1") = "6"
    & skf21("3","1","7","7","7","2","3","1") = "6"
    & skf21("3","1","7","7","7","2","4","1") = "6"
    & skf21("3","1","7","7","7","2","5","1") = "6"
    & skf21("3","1","7","7","7","2","6","1") = "6"
    & skf21("3","1","7","7","7","2","7","1") = "6"
    & skf21("3","1","7","7","7","3","1","1") = "6"
    & skf21("3","1","7","7","7","3","2","1") = "6"
    & skf21("3","1","7","7","7","3","3","1") = "6"
    & skf21("3","1","7","7","7","3","4","1") = "6"
    & skf21("3","1","7","7","7","3","5","1") = "6"
    & skf21("3","1","7","7","7","3","6","1") = "6"
    & skf21("3","1","7","7","7","3","7","1") = "6"
    & skf21("3","1","7","7","7","4","1","1") = "6"
    & skf21("3","1","7","7","7","4","2","1") = "6"
    & skf21("3","1","7","7","7","4","3","1") = "6"
    & skf21("3","1","7","7","7","4","4","1") = "6"
    & skf21("3","1","7","7","7","4","5","1") = "6"
    & skf21("3","1","7","7","7","4","6","1") = "6"
    & skf21("3","1","7","7","7","4","7","1") = "6"
    & skf21("3","1","7","7","7","5","1","1") = "6"
    & skf21("3","1","7","7","7","5","2","1") = "6"
    & skf21("3","1","7","7","7","5","3","1") = "6"
    & skf21("3","1","7","7","7","5","4","1") = "6"
    & skf21("3","1","7","7","7","5","5","1") = "6"
    & skf21("3","1","7","7","7","5","6","1") = "6"
    & skf21("3","1","7","7","7","5","7","1") = "6"
    & skf21("3","1","7","7","7","6","1","1") = "6"
    & skf21("3","1","7","7","7","6","2","1") = "6"
    & skf21("3","1","7","7","7","6","3","1") = "6"
    & skf21("3","1","7","7","7","6","4","1") = "6"
    & skf21("3","1","7","7","7","6","5","1") = "6"
    & skf21("3","1","7","7","7","6","6","1") = "6"
    & skf21("3","1","7","7","7","6","7","1") = "6"
    & skf21("3","1","7","7","7","7","1","1") = "6"
    & skf21("3","1","7","7","7","7","2","1") = "6"
    & skf21("3","1","7","7","7","7","3","1") = "6"
    & skf21("3","1","7","7","7","7","4","1") = "6"
    & skf21("3","1","7","7","7","7","5","1") = "6"
    & skf21("3","1","7","7","7","7","6","1") = "6"
    & skf21("3","1","7","7","7","7","7","1") = "6"
    & skf21("3","2","1","1","1","1","1","1") = "2"
    & skf21("3","2","1","1","1","1","2","1") = "2"
    & skf21("3","2","1","1","1","1","3","1") = "2"
    & skf21("3","2","1","1","1","1","4","1") = "3"
    & skf21("3","2","1","1","1","1","5","1") = "4"
    & skf21("3","2","1","1","1","1","6","1") = "5"
    & skf21("3","2","1","1","1","1","7","1") = "6"
    & skf21("3","2","1","1","1","2","1","1") = "2"
    & skf21("3","2","1","1","1","2","2","1") = "2"
    & skf21("3","2","1","1","1","2","3","1") = "2"
    & skf21("3","2","1","1","1","2","4","1") = "3"
    & skf21("3","2","1","1","1","2","5","1") = "4"
    & skf21("3","2","1","1","1","2","6","1") = "5"
    & skf21("3","2","1","1","1","2","7","1") = "6"
    & skf21("3","2","1","1","1","3","1","1") = "2"
    & skf21("3","2","1","1","1","3","2","1") = "2"
    & skf21("3","2","1","1","1","3","3","1") = "2"
    & skf21("3","2","1","1","1","3","4","1") = "3"
    & skf21("3","2","1","1","1","3","5","1") = "4"
    & skf21("3","2","1","1","1","3","6","1") = "5"
    & skf21("3","2","1","1","1","3","7","1") = "6"
    & skf21("3","2","1","1","1","4","1","1") = "3"
    & skf21("3","2","1","1","1","4","2","1") = "3"
    & skf21("3","2","1","1","1","4","3","1") = "3"
    & skf21("3","2","1","1","1","4","4","1") = "3"
    & skf21("3","2","1","1","1","4","5","1") = "4"
    & skf21("3","2","1","1","1","4","6","1") = "5"
    & skf21("3","2","1","1","1","4","7","1") = "6"
    & skf21("3","2","1","1","1","5","1","1") = "4"
    & skf21("3","2","1","1","1","5","2","1") = "4"
    & skf21("3","2","1","1","1","5","3","1") = "4"
    & skf21("3","2","1","1","1","5","4","1") = "4"
    & skf21("3","2","1","1","1","5","5","1") = "4"
    & skf21("3","2","1","1","1","5","6","1") = "5"
    & skf21("3","2","1","1","1","5","7","1") = "6"
    & skf21("3","2","1","1","1","6","1","1") = "5"
    & skf21("3","2","1","1","1","6","2","1") = "5"
    & skf21("3","2","1","1","1","6","3","1") = "5"
    & skf21("3","2","1","1","1","6","4","1") = "5"
    & skf21("3","2","1","1","1","6","5","1") = "5"
    & skf21("3","2","1","1","1","6","6","1") = "5"
    & skf21("3","2","1","1","1","6","7","1") = "6"
    & skf21("3","2","1","1","1","7","1","1") = "6"
    & skf21("3","2","1","1","1","7","2","1") = "6"
    & skf21("3","2","1","1","1","7","3","1") = "6"
    & skf21("3","2","1","1","1","7","4","1") = "6"
    & skf21("3","2","1","1","1","7","5","1") = "6"
    & skf21("3","2","1","1","1","7","6","1") = "6"
    & skf21("3","2","1","1","1","7","7","1") = "6"
    & skf21("3","2","1","1","2","1","1","1") = "2"
    & skf21("3","2","1","1","2","1","2","1") = "2"
    & skf21("3","2","1","1","2","1","3","1") = "2"
    & skf21("3","2","1","1","2","1","4","1") = "3"
    & skf21("3","2","1","1","2","1","5","1") = "4"
    & skf21("3","2","1","1","2","1","6","1") = "5"
    & skf21("3","2","1","1","2","1","7","1") = "6"
    & skf21("3","2","1","1","2","2","1","1") = "2"
    & skf21("3","2","1","1","2","2","2","1") = "2"
    & skf21("3","2","1","1","2","2","3","1") = "2"
    & skf21("3","2","1","1","2","2","4","1") = "3"
    & skf21("3","2","1","1","2","2","5","1") = "4"
    & skf21("3","2","1","1","2","2","6","1") = "5"
    & skf21("3","2","1","1","2","2","7","1") = "6"
    & skf21("3","2","1","1","2","3","1","1") = "2"
    & skf21("3","2","1","1","2","3","2","1") = "2"
    & skf21("3","2","1","1","2","3","3","1") = "2"
    & skf21("3","2","1","1","2","3","4","1") = "3"
    & skf21("3","2","1","1","2","3","5","1") = "4"
    & skf21("3","2","1","1","2","3","6","1") = "5"
    & skf21("3","2","1","1","2","3","7","1") = "6"
    & skf21("3","2","1","1","2","4","1","1") = "3"
    & skf21("3","2","1","1","2","4","2","1") = "3"
    & skf21("3","2","1","1","2","4","3","1") = "3"
    & skf21("3","2","1","1","2","4","4","1") = "3"
    & skf21("3","2","1","1","2","4","5","1") = "4"
    & skf21("3","2","1","1","2","4","6","1") = "5"
    & skf21("3","2","1","1","2","4","7","1") = "6"
    & skf21("3","2","1","1","2","5","1","1") = "4"
    & skf21("3","2","1","1","2","5","2","1") = "4"
    & skf21("3","2","1","1","2","5","3","1") = "4"
    & skf21("3","2","1","1","2","5","4","1") = "4"
    & skf21("3","2","1","1","2","5","5","1") = "4"
    & skf21("3","2","1","1","2","5","6","1") = "5"
    & skf21("3","2","1","1","2","5","7","1") = "6"
    & skf21("3","2","1","1","2","6","1","1") = "5"
    & skf21("3","2","1","1","2","6","2","1") = "5"
    & skf21("3","2","1","1","2","6","3","1") = "5"
    & skf21("3","2","1","1","2","6","4","1") = "5"
    & skf21("3","2","1","1","2","6","5","1") = "5"
    & skf21("3","2","1","1","2","6","6","1") = "5"
    & skf21("3","2","1","1","2","6","7","1") = "6"
    & skf21("3","2","1","1","2","7","1","1") = "6"
    & skf21("3","2","1","1","2","7","2","1") = "6"
    & skf21("3","2","1","1","2","7","3","1") = "6"
    & skf21("3","2","1","1","2","7","4","1") = "6"
    & skf21("3","2","1","1","2","7","5","1") = "6"
    & skf21("3","2","1","1","2","7","6","1") = "6"
    & skf21("3","2","1","1","2","7","7","1") = "6"
    & skf21("3","2","1","1","3","1","1","1") = "2"
    & skf21("3","2","1","1","3","1","2","1") = "2"
    & skf21("3","2","1","1","3","1","3","1") = "2"
    & skf21("3","2","1","1","3","1","4","1") = "3"
    & skf21("3","2","1","1","3","1","5","1") = "4"
    & skf21("3","2","1","1","3","1","6","1") = "5"
    & skf21("3","2","1","1","3","1","7","1") = "6"
    & skf21("3","2","1","1","3","2","1","1") = "2"
    & skf21("3","2","1","1","3","2","2","1") = "2"
    & skf21("3","2","1","1","3","2","3","1") = "2"
    & skf21("3","2","1","1","3","2","4","1") = "3"
    & skf21("3","2","1","1","3","2","5","1") = "4"
    & skf21("3","2","1","1","3","2","6","1") = "5"
    & skf21("3","2","1","1","3","2","7","1") = "6"
    & skf21("3","2","1","1","3","3","1","1") = "2"
    & skf21("3","2","1","1","3","3","2","1") = "2"
    & skf21("3","2","1","1","3","3","3","1") = "2"
    & skf21("3","2","1","1","3","3","4","1") = "3"
    & skf21("3","2","1","1","3","3","5","1") = "4"
    & skf21("3","2","1","1","3","3","6","1") = "5"
    & skf21("3","2","1","1","3","3","7","1") = "6"
    & skf21("3","2","1","1","3","4","1","1") = "3"
    & skf21("3","2","1","1","3","4","2","1") = "3"
    & skf21("3","2","1","1","3","4","3","1") = "3"
    & skf21("3","2","1","1","3","4","4","1") = "3"
    & skf21("3","2","1","1","3","4","5","1") = "4"
    & skf21("3","2","1","1","3","4","6","1") = "5"
    & skf21("3","2","1","1","3","4","7","1") = "6"
    & skf21("3","2","1","1","3","5","1","1") = "4"
    & skf21("3","2","1","1","3","5","2","1") = "4"
    & skf21("3","2","1","1","3","5","3","1") = "4"
    & skf21("3","2","1","1","3","5","4","1") = "4"
    & skf21("3","2","1","1","3","5","5","1") = "4"
    & skf21("3","2","1","1","3","5","6","1") = "5"
    & skf21("3","2","1","1","3","5","7","1") = "6"
    & skf21("3","2","1","1","3","6","1","1") = "5"
    & skf21("3","2","1","1","3","6","2","1") = "5"
    & skf21("3","2","1","1","3","6","3","1") = "5"
    & skf21("3","2","1","1","3","6","4","1") = "5"
    & skf21("3","2","1","1","3","6","5","1") = "5"
    & skf21("3","2","1","1","3","6","6","1") = "5"
    & skf21("3","2","1","1","3","6","7","1") = "6"
    & skf21("3","2","1","1","3","7","1","1") = "6"
    & skf21("3","2","1","1","3","7","2","1") = "6"
    & skf21("3","2","1","1","3","7","3","1") = "6"
    & skf21("3","2","1","1","3","7","4","1") = "6"
    & skf21("3","2","1","1","3","7","5","1") = "6"
    & skf21("3","2","1","1","3","7","6","1") = "6"
    & skf21("3","2","1","1","3","7","7","1") = "6"
    & skf21("3","2","1","1","4","1","1","1") = "3"
    & skf21("3","2","1","1","4","1","2","1") = "3"
    & skf21("3","2","1","1","4","1","3","1") = "3"
    & skf21("3","2","1","1","4","1","4","1") = "3"
    & skf21("3","2","1","1","4","1","5","1") = "4"
    & skf21("3","2","1","1","4","1","6","1") = "5"
    & skf21("3","2","1","1","4","1","7","1") = "6"
    & skf21("3","2","1","1","4","2","1","1") = "3"
    & skf21("3","2","1","1","4","2","2","1") = "3"
    & skf21("3","2","1","1","4","2","3","1") = "3"
    & skf21("3","2","1","1","4","2","4","1") = "3"
    & skf21("3","2","1","1","4","2","5","1") = "4"
    & skf21("3","2","1","1","4","2","6","1") = "5"
    & skf21("3","2","1","1","4","2","7","1") = "6"
    & skf21("3","2","1","1","4","3","1","1") = "3"
    & skf21("3","2","1","1","4","3","2","1") = "3"
    & skf21("3","2","1","1","4","3","3","1") = "3"
    & skf21("3","2","1","1","4","3","4","1") = "3"
    & skf21("3","2","1","1","4","3","5","1") = "4"
    & skf21("3","2","1","1","4","3","6","1") = "5"
    & skf21("3","2","1","1","4","3","7","1") = "6"
    & skf21("3","2","1","1","4","4","1","1") = "3"
    & skf21("3","2","1","1","4","4","2","1") = "3"
    & skf21("3","2","1","1","4","4","3","1") = "3"
    & skf21("3","2","1","1","4","4","4","1") = "3"
    & skf21("3","2","1","1","4","4","5","1") = "4"
    & skf21("3","2","1","1","4","4","6","1") = "5"
    & skf21("3","2","1","1","4","4","7","1") = "6"
    & skf21("3","2","1","1","4","5","1","1") = "4"
    & skf21("3","2","1","1","4","5","2","1") = "4"
    & skf21("3","2","1","1","4","5","3","1") = "4"
    & skf21("3","2","1","1","4","5","4","1") = "4"
    & skf21("3","2","1","1","4","5","5","1") = "4"
    & skf21("3","2","1","1","4","5","6","1") = "5"
    & skf21("3","2","1","1","4","5","7","1") = "6"
    & skf21("3","2","1","1","4","6","1","1") = "5"
    & skf21("3","2","1","1","4","6","2","1") = "5"
    & skf21("3","2","1","1","4","6","3","1") = "5"
    & skf21("3","2","1","1","4","6","4","1") = "5"
    & skf21("3","2","1","1","4","6","5","1") = "5"
    & skf21("3","2","1","1","4","6","6","1") = "5"
    & skf21("3","2","1","1","4","6","7","1") = "6"
    & skf21("3","2","1","1","4","7","1","1") = "6"
    & skf21("3","2","1","1","4","7","2","1") = "6"
    & skf21("3","2","1","1","4","7","3","1") = "6"
    & skf21("3","2","1","1","4","7","4","1") = "6"
    & skf21("3","2","1","1","4","7","5","1") = "6"
    & skf21("3","2","1","1","4","7","6","1") = "6"
    & skf21("3","2","1","1","4","7","7","1") = "6"
    & skf21("3","2","1","1","5","1","1","1") = "4"
    & skf21("3","2","1","1","5","1","2","1") = "4"
    & skf21("3","2","1","1","5","1","3","1") = "4"
    & skf21("3","2","1","1","5","1","4","1") = "4"
    & skf21("3","2","1","1","5","1","5","1") = "4"
    & skf21("3","2","1","1","5","1","6","1") = "5"
    & skf21("3","2","1","1","5","1","7","1") = "6"
    & skf21("3","2","1","1","5","2","1","1") = "4"
    & skf21("3","2","1","1","5","2","2","1") = "4"
    & skf21("3","2","1","1","5","2","3","1") = "4"
    & skf21("3","2","1","1","5","2","4","1") = "4"
    & skf21("3","2","1","1","5","2","5","1") = "4"
    & skf21("3","2","1","1","5","2","6","1") = "5"
    & skf21("3","2","1","1","5","2","7","1") = "6"
    & skf21("3","2","1","1","5","3","1","1") = "4"
    & skf21("3","2","1","1","5","3","2","1") = "4"
    & skf21("3","2","1","1","5","3","3","1") = "4"
    & skf21("3","2","1","1","5","3","4","1") = "4"
    & skf21("3","2","1","1","5","3","5","1") = "4"
    & skf21("3","2","1","1","5","3","6","1") = "5"
    & skf21("3","2","1","1","5","3","7","1") = "6"
    & skf21("3","2","1","1","5","4","1","1") = "4"
    & skf21("3","2","1","1","5","4","2","1") = "4"
    & skf21("3","2","1","1","5","4","3","1") = "4"
    & skf21("3","2","1","1","5","4","4","1") = "4"
    & skf21("3","2","1","1","5","4","5","1") = "4"
    & skf21("3","2","1","1","5","4","6","1") = "5"
    & skf21("3","2","1","1","5","4","7","1") = "6"
    & skf21("3","2","1","1","5","5","1","1") = "4"
    & skf21("3","2","1","1","5","5","2","1") = "4"
    & skf21("3","2","1","1","5","5","3","1") = "4"
    & skf21("3","2","1","1","5","5","4","1") = "4"
    & skf21("3","2","1","1","5","5","5","1") = "4"
    & skf21("3","2","1","1","5","5","6","1") = "5"
    & skf21("3","2","1","1","5","5","7","1") = "6"
    & skf21("3","2","1","1","5","6","1","1") = "5"
    & skf21("3","2","1","1","5","6","2","1") = "5"
    & skf21("3","2","1","1","5","6","3","1") = "5"
    & skf21("3","2","1","1","5","6","4","1") = "5"
    & skf21("3","2","1","1","5","6","5","1") = "5"
    & skf21("3","2","1","1","5","6","6","1") = "5"
    & skf21("3","2","1","1","5","6","7","1") = "6"
    & skf21("3","2","1","1","5","7","1","1") = "6"
    & skf21("3","2","1","1","5","7","2","1") = "6"
    & skf21("3","2","1","1","5","7","3","1") = "6"
    & skf21("3","2","1","1","5","7","4","1") = "6"
    & skf21("3","2","1","1","5","7","5","1") = "6"
    & skf21("3","2","1","1","5","7","6","1") = "6"
    & skf21("3","2","1","1","5","7","7","1") = "6"
    & skf21("3","2","1","1","6","1","1","1") = "5"
    & skf21("3","2","1","1","6","1","2","1") = "5"
    & skf21("3","2","1","1","6","1","3","1") = "5"
    & skf21("3","2","1","1","6","1","4","1") = "5"
    & skf21("3","2","1","1","6","1","5","1") = "5"
    & skf21("3","2","1","1","6","1","6","1") = "5"
    & skf21("3","2","1","1","6","1","7","1") = "6"
    & skf21("3","2","1","1","6","2","1","1") = "5"
    & skf21("3","2","1","1","6","2","2","1") = "5"
    & skf21("3","2","1","1","6","2","3","1") = "5"
    & skf21("3","2","1","1","6","2","4","1") = "5"
    & skf21("3","2","1","1","6","2","5","1") = "5"
    & skf21("3","2","1","1","6","2","6","1") = "5"
    & skf21("3","2","1","1","6","2","7","1") = "6"
    & skf21("3","2","1","1","6","3","1","1") = "5"
    & skf21("3","2","1","1","6","3","2","1") = "5"
    & skf21("3","2","1","1","6","3","3","1") = "5"
    & skf21("3","2","1","1","6","3","4","1") = "5"
    & skf21("3","2","1","1","6","3","5","1") = "5"
    & skf21("3","2","1","1","6","3","6","1") = "5"
    & skf21("3","2","1","1","6","3","7","1") = "6"
    & skf21("3","2","1","1","6","4","1","1") = "5"
    & skf21("3","2","1","1","6","4","2","1") = "5"
    & skf21("3","2","1","1","6","4","3","1") = "5"
    & skf21("3","2","1","1","6","4","4","1") = "5"
    & skf21("3","2","1","1","6","4","5","1") = "5"
    & skf21("3","2","1","1","6","4","6","1") = "5"
    & skf21("3","2","1","1","6","4","7","1") = "6"
    & skf21("3","2","1","1","6","5","1","1") = "5"
    & skf21("3","2","1","1","6","5","2","1") = "5"
    & skf21("3","2","1","1","6","5","3","1") = "5"
    & skf21("3","2","1","1","6","5","4","1") = "5"
    & skf21("3","2","1","1","6","5","5","1") = "5"
    & skf21("3","2","1","1","6","5","6","1") = "5"
    & skf21("3","2","1","1","6","5","7","1") = "6"
    & skf21("3","2","1","1","6","6","1","1") = "5"
    & skf21("3","2","1","1","6","6","2","1") = "5"
    & skf21("3","2","1","1","6","6","3","1") = "5"
    & skf21("3","2","1","1","6","6","4","1") = "5"
    & skf21("3","2","1","1","6","6","5","1") = "5"
    & skf21("3","2","1","1","6","6","6","1") = "5"
    & skf21("3","2","1","1","6","6","7","1") = "6"
    & skf21("3","2","1","1","6","7","1","1") = "6"
    & skf21("3","2","1","1","6","7","2","1") = "6"
    & skf21("3","2","1","1","6","7","3","1") = "6"
    & skf21("3","2","1","1","6","7","4","1") = "6"
    & skf21("3","2","1","1","6","7","5","1") = "6"
    & skf21("3","2","1","1","6","7","6","1") = "6"
    & skf21("3","2","1","1","6","7","7","1") = "6"
    & skf21("3","2","1","1","7","1","1","1") = "6"
    & skf21("3","2","1","1","7","1","2","1") = "6"
    & skf21("3","2","1","1","7","1","3","1") = "6"
    & skf21("3","2","1","1","7","1","4","1") = "6"
    & skf21("3","2","1","1","7","1","5","1") = "6"
    & skf21("3","2","1","1","7","1","6","1") = "6"
    & skf21("3","2","1","1","7","1","7","1") = "6"
    & skf21("3","2","1","1","7","2","1","1") = "6"
    & skf21("3","2","1","1","7","2","2","1") = "6"
    & skf21("3","2","1","1","7","2","3","1") = "6"
    & skf21("3","2","1","1","7","2","4","1") = "6"
    & skf21("3","2","1","1","7","2","5","1") = "6"
    & skf21("3","2","1","1","7","2","6","1") = "6"
    & skf21("3","2","1","1","7","2","7","1") = "6"
    & skf21("3","2","1","1","7","3","1","1") = "6"
    & skf21("3","2","1","1","7","3","2","1") = "6"
    & skf21("3","2","1","1","7","3","3","1") = "6"
    & skf21("3","2","1","1","7","3","4","1") = "6"
    & skf21("3","2","1","1","7","3","5","1") = "6"
    & skf21("3","2","1","1","7","3","6","1") = "6"
    & skf21("3","2","1","1","7","3","7","1") = "6"
    & skf21("3","2","1","1","7","4","1","1") = "6"
    & skf21("3","2","1","1","7","4","2","1") = "6"
    & skf21("3","2","1","1","7","4","3","1") = "6"
    & skf21("3","2","1","1","7","4","4","1") = "6"
    & skf21("3","2","1","1","7","4","5","1") = "6"
    & skf21("3","2","1","1","7","4","6","1") = "6"
    & skf21("3","2","1","1","7","4","7","1") = "6"
    & skf21("3","2","1","1","7","5","1","1") = "6"
    & skf21("3","2","1","1","7","5","2","1") = "6"
    & skf21("3","2","1","1","7","5","3","1") = "6"
    & skf21("3","2","1","1","7","5","4","1") = "6"
    & skf21("3","2","1","1","7","5","5","1") = "6"
    & skf21("3","2","1","1","7","5","6","1") = "6"
    & skf21("3","2","1","1","7","5","7","1") = "6"
    & skf21("3","2","1","1","7","6","1","1") = "6"
    & skf21("3","2","1","1","7","6","2","1") = "6"
    & skf21("3","2","1","1","7","6","3","1") = "6"
    & skf21("3","2","1","1","7","6","4","1") = "6"
    & skf21("3","2","1","1","7","6","5","1") = "6"
    & skf21("3","2","1","1","7","6","6","1") = "6"
    & skf21("3","2","1","1","7","6","7","1") = "6"
    & skf21("3","2","1","1","7","7","1","1") = "6"
    & skf21("3","2","1","1","7","7","2","1") = "6"
    & skf21("3","2","1","1","7","7","3","1") = "6"
    & skf21("3","2","1","1","7","7","4","1") = "6"
    & skf21("3","2","1","1","7","7","5","1") = "6"
    & skf21("3","2","1","1","7","7","6","1") = "6"
    & skf21("3","2","1","1","7","7","7","1") = "6"
    & skf21("3","2","1","2","1","1","1","1") = "2"
    & skf21("3","2","1","2","1","1","2","1") = "2"
    & skf21("3","2","1","2","1","1","3","1") = "2"
    & skf21("3","2","1","2","1","1","4","1") = "3"
    & skf21("3","2","1","2","1","1","5","1") = "4"
    & skf21("3","2","1","2","1","1","6","1") = "5"
    & skf21("3","2","1","2","1","1","7","1") = "6"
    & skf21("3","2","1","2","1","2","1","1") = "2"
    & skf21("3","2","1","2","1","2","2","1") = "2"
    & skf21("3","2","1","2","1","2","3","1") = "2"
    & skf21("3","2","1","2","1","2","4","1") = "3"
    & skf21("3","2","1","2","1","2","5","1") = "4"
    & skf21("3","2","1","2","1","2","6","1") = "5"
    & skf21("3","2","1","2","1","2","7","1") = "6"
    & skf21("3","2","1","2","1","3","1","1") = "2"
    & skf21("3","2","1","2","1","3","2","1") = "2"
    & skf21("3","2","1","2","1","3","3","1") = "2"
    & skf21("3","2","1","2","1","3","4","1") = "3"
    & skf21("3","2","1","2","1","3","5","1") = "4"
    & skf21("3","2","1","2","1","3","6","1") = "5"
    & skf21("3","2","1","2","1","3","7","1") = "6"
    & skf21("3","2","1","2","1","4","1","1") = "3"
    & skf21("3","2","1","2","1","4","2","1") = "3"
    & skf21("3","2","1","2","1","4","3","1") = "3"
    & skf21("3","2","1","2","1","4","4","1") = "3"
    & skf21("3","2","1","2","1","4","5","1") = "4"
    & skf21("3","2","1","2","1","4","6","1") = "5"
    & skf21("3","2","1","2","1","4","7","1") = "6"
    & skf21("3","2","1","2","1","5","1","1") = "4"
    & skf21("3","2","1","2","1","5","2","1") = "4"
    & skf21("3","2","1","2","1","5","3","1") = "4"
    & skf21("3","2","1","2","1","5","4","1") = "4"
    & skf21("3","2","1","2","1","5","5","1") = "4"
    & skf21("3","2","1","2","1","5","6","1") = "5"
    & skf21("3","2","1","2","1","5","7","1") = "6"
    & skf21("3","2","1","2","1","6","1","1") = "5"
    & skf21("3","2","1","2","1","6","2","1") = "5"
    & skf21("3","2","1","2","1","6","3","1") = "5"
    & skf21("3","2","1","2","1","6","4","1") = "5"
    & skf21("3","2","1","2","1","6","5","1") = "5"
    & skf21("3","2","1","2","1","6","6","1") = "5"
    & skf21("3","2","1","2","1","6","7","1") = "6"
    & skf21("3","2","1","2","1","7","1","1") = "6"
    & skf21("3","2","1","2","1","7","2","1") = "6"
    & skf21("3","2","1","2","1","7","3","1") = "6"
    & skf21("3","2","1","2","1","7","4","1") = "6"
    & skf21("3","2","1","2","1","7","5","1") = "6"
    & skf21("3","2","1","2","1","7","6","1") = "6"
    & skf21("3","2","1","2","1","7","7","1") = "6"
    & skf21("3","2","1","2","2","1","1","1") = "2"
    & skf21("3","2","1","2","2","1","2","1") = "2"
    & skf21("3","2","1","2","2","1","3","1") = "2"
    & skf21("3","2","1","2","2","1","4","1") = "3"
    & skf21("3","2","1","2","2","1","5","1") = "4"
    & skf21("3","2","1","2","2","1","6","1") = "5"
    & skf21("3","2","1","2","2","1","7","1") = "6"
    & skf21("3","2","1","2","2","2","1","1") = "2"
    & skf21("3","2","1","2","2","2","2","1") = "2"
    & skf21("3","2","1","2","2","2","3","1") = "2"
    & skf21("3","2","1","2","2","2","4","1") = "3"
    & skf21("3","2","1","2","2","2","5","1") = "4"
    & skf21("3","2","1","2","2","2","6","1") = "5"
    & skf21("3","2","1","2","2","2","7","1") = "6"
    & skf21("3","2","1","2","2","3","1","1") = "2"
    & skf21("3","2","1","2","2","3","2","1") = "2"
    & skf21("3","2","1","2","2","3","3","1") = "2"
    & skf21("3","2","1","2","2","3","4","1") = "3"
    & skf21("3","2","1","2","2","3","5","1") = "4"
    & skf21("3","2","1","2","2","3","6","1") = "5"
    & skf21("3","2","1","2","2","3","7","1") = "6"
    & skf21("3","2","1","2","2","4","1","1") = "3"
    & skf21("3","2","1","2","2","4","2","1") = "3"
    & skf21("3","2","1","2","2","4","3","1") = "3"
    & skf21("3","2","1","2","2","4","4","1") = "3"
    & skf21("3","2","1","2","2","4","5","1") = "4"
    & skf21("3","2","1","2","2","4","6","1") = "5"
    & skf21("3","2","1","2","2","4","7","1") = "6"
    & skf21("3","2","1","2","2","5","1","1") = "4"
    & skf21("3","2","1","2","2","5","2","1") = "4"
    & skf21("3","2","1","2","2","5","3","1") = "4"
    & skf21("3","2","1","2","2","5","4","1") = "4"
    & skf21("3","2","1","2","2","5","5","1") = "4"
    & skf21("3","2","1","2","2","5","6","1") = "5"
    & skf21("3","2","1","2","2","5","7","1") = "6"
    & skf21("3","2","1","2","2","6","1","1") = "5"
    & skf21("3","2","1","2","2","6","2","1") = "5"
    & skf21("3","2","1","2","2","6","3","1") = "5"
    & skf21("3","2","1","2","2","6","4","1") = "5"
    & skf21("3","2","1","2","2","6","5","1") = "5"
    & skf21("3","2","1","2","2","6","6","1") = "5"
    & skf21("3","2","1","2","2","6","7","1") = "6"
    & skf21("3","2","1","2","2","7","1","1") = "6"
    & skf21("3","2","1","2","2","7","2","1") = "6"
    & skf21("3","2","1","2","2","7","3","1") = "6"
    & skf21("3","2","1","2","2","7","4","1") = "6"
    & skf21("3","2","1","2","2","7","5","1") = "6"
    & skf21("3","2","1","2","2","7","6","1") = "6"
    & skf21("3","2","1","2","2","7","7","1") = "6"
    & skf21("3","2","1","2","3","1","1","1") = "2"
    & skf21("3","2","1","2","3","1","2","1") = "2"
    & skf21("3","2","1","2","3","1","3","1") = "2"
    & skf21("3","2","1","2","3","1","4","1") = "3"
    & skf21("3","2","1","2","3","1","5","1") = "4"
    & skf21("3","2","1","2","3","1","6","1") = "5"
    & skf21("3","2","1","2","3","1","7","1") = "6"
    & skf21("3","2","1","2","3","2","1","1") = "2"
    & skf21("3","2","1","2","3","2","2","1") = "2"
    & skf21("3","2","1","2","3","2","3","1") = "2"
    & skf21("3","2","1","2","3","2","4","1") = "3"
    & skf21("3","2","1","2","3","2","5","1") = "4"
    & skf21("3","2","1","2","3","2","6","1") = "5"
    & skf21("3","2","1","2","3","2","7","1") = "6"
    & skf21("3","2","1","2","3","3","1","1") = "2"
    & skf21("3","2","1","2","3","3","2","1") = "2"
    & skf21("3","2","1","2","3","3","3","1") = "2"
    & skf21("3","2","1","2","3","3","4","1") = "3"
    & skf21("3","2","1","2","3","3","5","1") = "4"
    & skf21("3","2","1","2","3","3","6","1") = "5"
    & skf21("3","2","1","2","3","3","7","1") = "6"
    & skf21("3","2","1","2","3","4","1","1") = "3"
    & skf21("3","2","1","2","3","4","2","1") = "3"
    & skf21("3","2","1","2","3","4","3","1") = "3"
    & skf21("3","2","1","2","3","4","4","1") = "3"
    & skf21("3","2","1","2","3","4","5","1") = "4"
    & skf21("3","2","1","2","3","4","6","1") = "5"
    & skf21("3","2","1","2","3","4","7","1") = "6"
    & skf21("3","2","1","2","3","5","1","1") = "4"
    & skf21("3","2","1","2","3","5","2","1") = "4"
    & skf21("3","2","1","2","3","5","3","1") = "4"
    & skf21("3","2","1","2","3","5","4","1") = "4"
    & skf21("3","2","1","2","3","5","5","1") = "4"
    & skf21("3","2","1","2","3","5","6","1") = "5"
    & skf21("3","2","1","2","3","5","7","1") = "6"
    & skf21("3","2","1","2","3","6","1","1") = "5"
    & skf21("3","2","1","2","3","6","2","1") = "5"
    & skf21("3","2","1","2","3","6","3","1") = "5"
    & skf21("3","2","1","2","3","6","4","1") = "5"
    & skf21("3","2","1","2","3","6","5","1") = "5"
    & skf21("3","2","1","2","3","6","6","1") = "5"
    & skf21("3","2","1","2","3","6","7","1") = "6"
    & skf21("3","2","1","2","3","7","1","1") = "6"
    & skf21("3","2","1","2","3","7","2","1") = "6"
    & skf21("3","2","1","2","3","7","3","1") = "6"
    & skf21("3","2","1","2","3","7","4","1") = "6"
    & skf21("3","2","1","2","3","7","5","1") = "6"
    & skf21("3","2","1","2","3","7","6","1") = "6"
    & skf21("3","2","1","2","3","7","7","1") = "6"
    & skf21("3","2","1","2","4","1","1","1") = "3"
    & skf21("3","2","1","2","4","1","2","1") = "3"
    & skf21("3","2","1","2","4","1","3","1") = "3"
    & skf21("3","2","1","2","4","1","4","1") = "3"
    & skf21("3","2","1","2","4","1","5","1") = "4"
    & skf21("3","2","1","2","4","1","6","1") = "5"
    & skf21("3","2","1","2","4","1","7","1") = "6"
    & skf21("3","2","1","2","4","2","1","1") = "3"
    & skf21("3","2","1","2","4","2","2","1") = "3"
    & skf21("3","2","1","2","4","2","3","1") = "3"
    & skf21("3","2","1","2","4","2","4","1") = "3"
    & skf21("3","2","1","2","4","2","5","1") = "4"
    & skf21("3","2","1","2","4","2","6","1") = "5"
    & skf21("3","2","1","2","4","2","7","1") = "6"
    & skf21("3","2","1","2","4","3","1","1") = "3"
    & skf21("3","2","1","2","4","3","2","1") = "3"
    & skf21("3","2","1","2","4","3","3","1") = "3"
    & skf21("3","2","1","2","4","3","4","1") = "3"
    & skf21("3","2","1","2","4","3","5","1") = "4"
    & skf21("3","2","1","2","4","3","6","1") = "5"
    & skf21("3","2","1","2","4","3","7","1") = "6"
    & skf21("3","2","1","2","4","4","1","1") = "3"
    & skf21("3","2","1","2","4","4","2","1") = "3"
    & skf21("3","2","1","2","4","4","3","1") = "3"
    & skf21("3","2","1","2","4","4","4","1") = "3"
    & skf21("3","2","1","2","4","4","5","1") = "4"
    & skf21("3","2","1","2","4","4","6","1") = "5"
    & skf21("3","2","1","2","4","4","7","1") = "6"
    & skf21("3","2","1","2","4","5","1","1") = "4"
    & skf21("3","2","1","2","4","5","2","1") = "4"
    & skf21("3","2","1","2","4","5","3","1") = "4"
    & skf21("3","2","1","2","4","5","4","1") = "4"
    & skf21("3","2","1","2","4","5","5","1") = "4"
    & skf21("3","2","1","2","4","5","6","1") = "5"
    & skf21("3","2","1","2","4","5","7","1") = "6"
    & skf21("3","2","1","2","4","6","1","1") = "5"
    & skf21("3","2","1","2","4","6","2","1") = "5"
    & skf21("3","2","1","2","4","6","3","1") = "5"
    & skf21("3","2","1","2","4","6","4","1") = "5"
    & skf21("3","2","1","2","4","6","5","1") = "5"
    & skf21("3","2","1","2","4","6","6","1") = "5"
    & skf21("3","2","1","2","4","6","7","1") = "6"
    & skf21("3","2","1","2","4","7","1","1") = "6"
    & skf21("3","2","1","2","4","7","2","1") = "6"
    & skf21("3","2","1","2","4","7","3","1") = "6"
    & skf21("3","2","1","2","4","7","4","1") = "6"
    & skf21("3","2","1","2","4","7","5","1") = "6"
    & skf21("3","2","1","2","4","7","6","1") = "6"
    & skf21("3","2","1","2","4","7","7","1") = "6"
    & skf21("3","2","1","2","5","1","1","1") = "4"
    & skf21("3","2","1","2","5","1","2","1") = "4"
    & skf21("3","2","1","2","5","1","3","1") = "4"
    & skf21("3","2","1","2","5","1","4","1") = "4"
    & skf21("3","2","1","2","5","1","5","1") = "4"
    & skf21("3","2","1","2","5","1","6","1") = "5"
    & skf21("3","2","1","2","5","1","7","1") = "6"
    & skf21("3","2","1","2","5","2","1","1") = "4"
    & skf21("3","2","1","2","5","2","2","1") = "4"
    & skf21("3","2","1","2","5","2","3","1") = "4"
    & skf21("3","2","1","2","5","2","4","1") = "4"
    & skf21("3","2","1","2","5","2","5","1") = "4"
    & skf21("3","2","1","2","5","2","6","1") = "5"
    & skf21("3","2","1","2","5","2","7","1") = "6"
    & skf21("3","2","1","2","5","3","1","1") = "4"
    & skf21("3","2","1","2","5","3","2","1") = "4"
    & skf21("3","2","1","2","5","3","3","1") = "4"
    & skf21("3","2","1","2","5","3","4","1") = "4"
    & skf21("3","2","1","2","5","3","5","1") = "4"
    & skf21("3","2","1","2","5","3","6","1") = "5"
    & skf21("3","2","1","2","5","3","7","1") = "6"
    & skf21("3","2","1","2","5","4","1","1") = "4"
    & skf21("3","2","1","2","5","4","2","1") = "4"
    & skf21("3","2","1","2","5","4","3","1") = "4"
    & skf21("3","2","1","2","5","4","4","1") = "4"
    & skf21("3","2","1","2","5","4","5","1") = "4"
    & skf21("3","2","1","2","5","4","6","1") = "5"
    & skf21("3","2","1","2","5","4","7","1") = "6"
    & skf21("3","2","1","2","5","5","1","1") = "4"
    & skf21("3","2","1","2","5","5","2","1") = "4"
    & skf21("3","2","1","2","5","5","3","1") = "4"
    & skf21("3","2","1","2","5","5","4","1") = "4"
    & skf21("3","2","1","2","5","5","5","1") = "4"
    & skf21("3","2","1","2","5","5","6","1") = "5"
    & skf21("3","2","1","2","5","5","7","1") = "6"
    & skf21("3","2","1","2","5","6","1","1") = "5"
    & skf21("3","2","1","2","5","6","2","1") = "5"
    & skf21("3","2","1","2","5","6","3","1") = "5"
    & skf21("3","2","1","2","5","6","4","1") = "5"
    & skf21("3","2","1","2","5","6","5","1") = "5"
    & skf21("3","2","1","2","5","6","6","1") = "5"
    & skf21("3","2","1","2","5","6","7","1") = "6"
    & skf21("3","2","1","2","5","7","1","1") = "6"
    & skf21("3","2","1","2","5","7","2","1") = "6"
    & skf21("3","2","1","2","5","7","3","1") = "6"
    & skf21("3","2","1","2","5","7","4","1") = "6"
    & skf21("3","2","1","2","5","7","5","1") = "6"
    & skf21("3","2","1","2","5","7","6","1") = "6"
    & skf21("3","2","1","2","5","7","7","1") = "6"
    & skf21("3","2","1","2","6","1","1","1") = "5"
    & skf21("3","2","1","2","6","1","2","1") = "5"
    & skf21("3","2","1","2","6","1","3","1") = "5"
    & skf21("3","2","1","2","6","1","4","1") = "5"
    & skf21("3","2","1","2","6","1","5","1") = "5"
    & skf21("3","2","1","2","6","1","6","1") = "5"
    & skf21("3","2","1","2","6","1","7","1") = "6"
    & skf21("3","2","1","2","6","2","1","1") = "5"
    & skf21("3","2","1","2","6","2","2","1") = "5"
    & skf21("3","2","1","2","6","2","3","1") = "5"
    & skf21("3","2","1","2","6","2","4","1") = "5"
    & skf21("3","2","1","2","6","2","5","1") = "5"
    & skf21("3","2","1","2","6","2","6","1") = "5"
    & skf21("3","2","1","2","6","2","7","1") = "6"
    & skf21("3","2","1","2","6","3","1","1") = "5"
    & skf21("3","2","1","2","6","3","2","1") = "5"
    & skf21("3","2","1","2","6","3","3","1") = "5"
    & skf21("3","2","1","2","6","3","4","1") = "5"
    & skf21("3","2","1","2","6","3","5","1") = "5"
    & skf21("3","2","1","2","6","3","6","1") = "5"
    & skf21("3","2","1","2","6","3","7","1") = "6"
    & skf21("3","2","1","2","6","4","1","1") = "5"
    & skf21("3","2","1","2","6","4","2","1") = "5"
    & skf21("3","2","1","2","6","4","3","1") = "5"
    & skf21("3","2","1","2","6","4","4","1") = "5"
    & skf21("3","2","1","2","6","4","5","1") = "5"
    & skf21("3","2","1","2","6","4","6","1") = "5"
    & skf21("3","2","1","2","6","4","7","1") = "6"
    & skf21("3","2","1","2","6","5","1","1") = "5"
    & skf21("3","2","1","2","6","5","2","1") = "5"
    & skf21("3","2","1","2","6","5","3","1") = "5"
    & skf21("3","2","1","2","6","5","4","1") = "5"
    & skf21("3","2","1","2","6","5","5","1") = "5"
    & skf21("3","2","1","2","6","5","6","1") = "5"
    & skf21("3","2","1","2","6","5","7","1") = "6"
    & skf21("3","2","1","2","6","6","1","1") = "5"
    & skf21("3","2","1","2","6","6","2","1") = "5"
    & skf21("3","2","1","2","6","6","3","1") = "5"
    & skf21("3","2","1","2","6","6","4","1") = "5"
    & skf21("3","2","1","2","6","6","5","1") = "5"
    & skf21("3","2","1","2","6","6","6","1") = "5"
    & skf21("3","2","1","2","6","6","7","1") = "6"
    & skf21("3","2","1","2","6","7","1","1") = "6"
    & skf21("3","2","1","2","6","7","2","1") = "6"
    & skf21("3","2","1","2","6","7","3","1") = "6"
    & skf21("3","2","1","2","6","7","4","1") = "6"
    & skf21("3","2","1","2","6","7","5","1") = "6"
    & skf21("3","2","1","2","6","7","6","1") = "6"
    & skf21("3","2","1","2","6","7","7","1") = "6"
    & skf21("3","2","1","2","7","1","1","1") = "6"
    & skf21("3","2","1","2","7","1","2","1") = "6"
    & skf21("3","2","1","2","7","1","3","1") = "6"
    & skf21("3","2","1","2","7","1","4","1") = "6"
    & skf21("3","2","1","2","7","1","5","1") = "6"
    & skf21("3","2","1","2","7","1","6","1") = "6"
    & skf21("3","2","1","2","7","1","7","1") = "6"
    & skf21("3","2","1","2","7","2","1","1") = "6"
    & skf21("3","2","1","2","7","2","2","1") = "6"
    & skf21("3","2","1","2","7","2","3","1") = "6"
    & skf21("3","2","1","2","7","2","4","1") = "6"
    & skf21("3","2","1","2","7","2","5","1") = "6"
    & skf21("3","2","1","2","7","2","6","1") = "6"
    & skf21("3","2","1","2","7","2","7","1") = "6"
    & skf21("3","2","1","2","7","3","1","1") = "6"
    & skf21("3","2","1","2","7","3","2","1") = "6"
    & skf21("3","2","1","2","7","3","3","1") = "6"
    & skf21("3","2","1","2","7","3","4","1") = "6"
    & skf21("3","2","1","2","7","3","5","1") = "6"
    & skf21("3","2","1","2","7","3","6","1") = "6"
    & skf21("3","2","1","2","7","3","7","1") = "6"
    & skf21("3","2","1","2","7","4","1","1") = "6"
    & skf21("3","2","1","2","7","4","2","1") = "6"
    & skf21("3","2","1","2","7","4","3","1") = "6"
    & skf21("3","2","1","2","7","4","4","1") = "6"
    & skf21("3","2","1","2","7","4","5","1") = "6"
    & skf21("3","2","1","2","7","4","6","1") = "6"
    & skf21("3","2","1","2","7","4","7","1") = "6"
    & skf21("3","2","1","2","7","5","1","1") = "6"
    & skf21("3","2","1","2","7","5","2","1") = "6"
    & skf21("3","2","1","2","7","5","3","1") = "6"
    & skf21("3","2","1","2","7","5","4","1") = "6"
    & skf21("3","2","1","2","7","5","5","1") = "6"
    & skf21("3","2","1","2","7","5","6","1") = "6"
    & skf21("3","2","1","2","7","5","7","1") = "6"
    & skf21("3","2","1","2","7","6","1","1") = "6"
    & skf21("3","2","1","2","7","6","2","1") = "6"
    & skf21("3","2","1","2","7","6","3","1") = "6"
    & skf21("3","2","1","2","7","6","4","1") = "6"
    & skf21("3","2","1","2","7","6","5","1") = "6"
    & skf21("3","2","1","2","7","6","6","1") = "6"
    & skf21("3","2","1","2","7","6","7","1") = "6"
    & skf21("3","2","1","2","7","7","1","1") = "6"
    & skf21("3","2","1","2","7","7","2","1") = "6"
    & skf21("3","2","1","2","7","7","3","1") = "6"
    & skf21("3","2","1","2","7","7","4","1") = "6"
    & skf21("3","2","1","2","7","7","5","1") = "6"
    & skf21("3","2","1","2","7","7","6","1") = "6"
    & skf21("3","2","1","2","7","7","7","1") = "6"
    & skf21("3","2","1","3","1","1","1","1") = "2"
    & skf21("3","2","1","3","1","1","2","1") = "2"
    & skf21("3","2","1","3","1","1","3","1") = "2"
    & skf21("3","2","1","3","1","1","4","1") = "3"
    & skf21("3","2","1","3","1","1","5","1") = "4"
    & skf21("3","2","1","3","1","1","6","1") = "5"
    & skf21("3","2","1","3","1","1","7","1") = "6"
    & skf21("3","2","1","3","1","2","1","1") = "2"
    & skf21("3","2","1","3","1","2","2","1") = "2"
    & skf21("3","2","1","3","1","2","3","1") = "2"
    & skf21("3","2","1","3","1","2","4","1") = "3"
    & skf21("3","2","1","3","1","2","5","1") = "4"
    & skf21("3","2","1","3","1","2","6","1") = "5"
    & skf21("3","2","1","3","1","2","7","1") = "6"
    & skf21("3","2","1","3","1","3","1","1") = "2"
    & skf21("3","2","1","3","1","3","2","1") = "2"
    & skf21("3","2","1","3","1","3","3","1") = "2"
    & skf21("3","2","1","3","1","3","4","1") = "3"
    & skf21("3","2","1","3","1","3","5","1") = "4"
    & skf21("3","2","1","3","1","3","6","1") = "5"
    & skf21("3","2","1","3","1","3","7","1") = "6"
    & skf21("3","2","1","3","1","4","1","1") = "3"
    & skf21("3","2","1","3","1","4","2","1") = "3"
    & skf21("3","2","1","3","1","4","3","1") = "3"
    & skf21("3","2","1","3","1","4","4","1") = "3"
    & skf21("3","2","1","3","1","4","5","1") = "4"
    & skf21("3","2","1","3","1","4","6","1") = "5"
    & skf21("3","2","1","3","1","4","7","1") = "6"
    & skf21("3","2","1","3","1","5","1","1") = "4"
    & skf21("3","2","1","3","1","5","2","1") = "4"
    & skf21("3","2","1","3","1","5","3","1") = "4"
    & skf21("3","2","1","3","1","5","4","1") = "4"
    & skf21("3","2","1","3","1","5","5","1") = "4"
    & skf21("3","2","1","3","1","5","6","1") = "5"
    & skf21("3","2","1","3","1","5","7","1") = "6"
    & skf21("3","2","1","3","1","6","1","1") = "5"
    & skf21("3","2","1","3","1","6","2","1") = "5"
    & skf21("3","2","1","3","1","6","3","1") = "5"
    & skf21("3","2","1","3","1","6","4","1") = "5"
    & skf21("3","2","1","3","1","6","5","1") = "5"
    & skf21("3","2","1","3","1","6","6","1") = "5"
    & skf21("3","2","1","3","1","6","7","1") = "6"
    & skf21("3","2","1","3","1","7","1","1") = "6"
    & skf21("3","2","1","3","1","7","2","1") = "6"
    & skf21("3","2","1","3","1","7","3","1") = "6"
    & skf21("3","2","1","3","1","7","4","1") = "6"
    & skf21("3","2","1","3","1","7","5","1") = "6"
    & skf21("3","2","1","3","1","7","6","1") = "6"
    & skf21("3","2","1","3","1","7","7","1") = "6"
    & skf21("3","2","1","3","2","1","1","1") = "2"
    & skf21("3","2","1","3","2","1","2","1") = "2"
    & skf21("3","2","1","3","2","1","3","1") = "2"
    & skf21("3","2","1","3","2","1","4","1") = "3"
    & skf21("3","2","1","3","2","1","5","1") = "4"
    & skf21("3","2","1","3","2","1","6","1") = "5"
    & skf21("3","2","1","3","2","1","7","1") = "6"
    & skf21("3","2","1","3","2","2","1","1") = "2"
    & skf21("3","2","1","3","2","2","2","1") = "2"
    & skf21("3","2","1","3","2","2","3","1") = "2"
    & skf21("3","2","1","3","2","2","4","1") = "3"
    & skf21("3","2","1","3","2","2","5","1") = "4"
    & skf21("3","2","1","3","2","2","6","1") = "5"
    & skf21("3","2","1","3","2","2","7","1") = "6"
    & skf21("3","2","1","3","2","3","1","1") = "2"
    & skf21("3","2","1","3","2","3","2","1") = "2"
    & skf21("3","2","1","3","2","3","3","1") = "2"
    & skf21("3","2","1","3","2","3","4","1") = "3"
    & skf21("3","2","1","3","2","3","5","1") = "4"
    & skf21("3","2","1","3","2","3","6","1") = "5"
    & skf21("3","2","1","3","2","3","7","1") = "6"
    & skf21("3","2","1","3","2","4","1","1") = "3"
    & skf21("3","2","1","3","2","4","2","1") = "3"
    & skf21("3","2","1","3","2","4","3","1") = "3"
    & skf21("3","2","1","3","2","4","4","1") = "3"
    & skf21("3","2","1","3","2","4","5","1") = "4"
    & skf21("3","2","1","3","2","4","6","1") = "5"
    & skf21("3","2","1","3","2","4","7","1") = "6"
    & skf21("3","2","1","3","2","5","1","1") = "4"
    & skf21("3","2","1","3","2","5","2","1") = "4"
    & skf21("3","2","1","3","2","5","3","1") = "4"
    & skf21("3","2","1","3","2","5","4","1") = "4"
    & skf21("3","2","1","3","2","5","5","1") = "4"
    & skf21("3","2","1","3","2","5","6","1") = "5"
    & skf21("3","2","1","3","2","5","7","1") = "6"
    & skf21("3","2","1","3","2","6","1","1") = "5"
    & skf21("3","2","1","3","2","6","2","1") = "5"
    & skf21("3","2","1","3","2","6","3","1") = "5"
    & skf21("3","2","1","3","2","6","4","1") = "5"
    & skf21("3","2","1","3","2","6","5","1") = "5"
    & skf21("3","2","1","3","2","6","6","1") = "5"
    & skf21("3","2","1","3","2","6","7","1") = "6"
    & skf21("3","2","1","3","2","7","1","1") = "6"
    & skf21("3","2","1","3","2","7","2","1") = "6"
    & skf21("3","2","1","3","2","7","3","1") = "6"
    & skf21("3","2","1","3","2","7","4","1") = "6"
    & skf21("3","2","1","3","2","7","5","1") = "6"
    & skf21("3","2","1","3","2","7","6","1") = "6"
    & skf21("3","2","1","3","2","7","7","1") = "6"
    & skf21("3","2","1","3","3","1","1","1") = "2"
    & skf21("3","2","1","3","3","1","2","1") = "2"
    & skf21("3","2","1","3","3","1","3","1") = "2"
    & skf21("3","2","1","3","3","1","4","1") = "3"
    & skf21("3","2","1","3","3","1","5","1") = "4"
    & skf21("3","2","1","3","3","1","6","1") = "5"
    & skf21("3","2","1","3","3","1","7","1") = "6"
    & skf21("3","2","1","3","3","2","1","1") = "2"
    & skf21("3","2","1","3","3","2","2","1") = "2"
    & skf21("3","2","1","3","3","2","3","1") = "2"
    & skf21("3","2","1","3","3","2","4","1") = "3"
    & skf21("3","2","1","3","3","2","5","1") = "4"
    & skf21("3","2","1","3","3","2","6","1") = "5"
    & skf21("3","2","1","3","3","2","7","1") = "6"
    & skf21("3","2","1","3","3","3","1","1") = "2"
    & skf21("3","2","1","3","3","3","2","1") = "2"
    & skf21("3","2","1","3","3","3","3","1") = "2"
    & skf21("3","2","1","3","3","3","4","1") = "3"
    & skf21("3","2","1","3","3","3","5","1") = "4"
    & skf21("3","2","1","3","3","3","6","1") = "5"
    & skf21("3","2","1","3","3","3","7","1") = "6"
    & skf21("3","2","1","3","3","4","1","1") = "3"
    & skf21("3","2","1","3","3","4","2","1") = "3"
    & skf21("3","2","1","3","3","4","3","1") = "3"
    & skf21("3","2","1","3","3","4","4","1") = "3"
    & skf21("3","2","1","3","3","4","5","1") = "4"
    & skf21("3","2","1","3","3","4","6","1") = "5"
    & skf21("3","2","1","3","3","4","7","1") = "6"
    & skf21("3","2","1","3","3","5","1","1") = "4"
    & skf21("3","2","1","3","3","5","2","1") = "4"
    & skf21("3","2","1","3","3","5","3","1") = "4"
    & skf21("3","2","1","3","3","5","4","1") = "4"
    & skf21("3","2","1","3","3","5","5","1") = "4"
    & skf21("3","2","1","3","3","5","6","1") = "5"
    & skf21("3","2","1","3","3","5","7","1") = "6"
    & skf21("3","2","1","3","3","6","1","1") = "5"
    & skf21("3","2","1","3","3","6","2","1") = "5"
    & skf21("3","2","1","3","3","6","3","1") = "5"
    & skf21("3","2","1","3","3","6","4","1") = "5"
    & skf21("3","2","1","3","3","6","5","1") = "5"
    & skf21("3","2","1","3","3","6","6","1") = "5"
    & skf21("3","2","1","3","3","6","7","1") = "6"
    & skf21("3","2","1","3","3","7","1","1") = "6"
    & skf21("3","2","1","3","3","7","2","1") = "6"
    & skf21("3","2","1","3","3","7","3","1") = "6"
    & skf21("3","2","1","3","3","7","4","1") = "6"
    & skf21("3","2","1","3","3","7","5","1") = "6"
    & skf21("3","2","1","3","3","7","6","1") = "6"
    & skf21("3","2","1","3","3","7","7","1") = "6"
    & skf21("3","2","1","3","4","1","1","1") = "3"
    & skf21("3","2","1","3","4","1","2","1") = "3"
    & skf21("3","2","1","3","4","1","3","1") = "3"
    & skf21("3","2","1","3","4","1","4","1") = "3"
    & skf21("3","2","1","3","4","1","5","1") = "4"
    & skf21("3","2","1","3","4","1","6","1") = "5"
    & skf21("3","2","1","3","4","1","7","1") = "6"
    & skf21("3","2","1","3","4","2","1","1") = "3"
    & skf21("3","2","1","3","4","2","2","1") = "3"
    & skf21("3","2","1","3","4","2","3","1") = "3"
    & skf21("3","2","1","3","4","2","4","1") = "3"
    & skf21("3","2","1","3","4","2","5","1") = "4"
    & skf21("3","2","1","3","4","2","6","1") = "5"
    & skf21("3","2","1","3","4","2","7","1") = "6"
    & skf21("3","2","1","3","4","3","1","1") = "3"
    & skf21("3","2","1","3","4","3","2","1") = "3"
    & skf21("3","2","1","3","4","3","3","1") = "3"
    & skf21("3","2","1","3","4","3","4","1") = "3"
    & skf21("3","2","1","3","4","3","5","1") = "4"
    & skf21("3","2","1","3","4","3","6","1") = "5"
    & skf21("3","2","1","3","4","3","7","1") = "6"
    & skf21("3","2","1","3","4","4","1","1") = "3"
    & skf21("3","2","1","3","4","4","2","1") = "3"
    & skf21("3","2","1","3","4","4","3","1") = "3"
    & skf21("3","2","1","3","4","4","4","1") = "3"
    & skf21("3","2","1","3","4","4","5","1") = "4"
    & skf21("3","2","1","3","4","4","6","1") = "5"
    & skf21("3","2","1","3","4","4","7","1") = "6"
    & skf21("3","2","1","3","4","5","1","1") = "4"
    & skf21("3","2","1","3","4","5","2","1") = "4"
    & skf21("3","2","1","3","4","5","3","1") = "4"
    & skf21("3","2","1","3","4","5","4","1") = "4"
    & skf21("3","2","1","3","4","5","5","1") = "4"
    & skf21("3","2","1","3","4","5","6","1") = "5"
    & skf21("3","2","1","3","4","5","7","1") = "6"
    & skf21("3","2","1","3","4","6","1","1") = "5"
    & skf21("3","2","1","3","4","6","2","1") = "5"
    & skf21("3","2","1","3","4","6","3","1") = "5"
    & skf21("3","2","1","3","4","6","4","1") = "5"
    & skf21("3","2","1","3","4","6","5","1") = "5"
    & skf21("3","2","1","3","4","6","6","1") = "5"
    & skf21("3","2","1","3","4","6","7","1") = "6"
    & skf21("3","2","1","3","4","7","1","1") = "6"
    & skf21("3","2","1","3","4","7","2","1") = "6"
    & skf21("3","2","1","3","4","7","3","1") = "6"
    & skf21("3","2","1","3","4","7","4","1") = "6"
    & skf21("3","2","1","3","4","7","5","1") = "6"
    & skf21("3","2","1","3","4","7","6","1") = "6"
    & skf21("3","2","1","3","4","7","7","1") = "6"
    & skf21("3","2","1","3","5","1","1","1") = "4"
    & skf21("3","2","1","3","5","1","2","1") = "4"
    & skf21("3","2","1","3","5","1","3","1") = "4"
    & skf21("3","2","1","3","5","1","4","1") = "4"
    & skf21("3","2","1","3","5","1","5","1") = "4"
    & skf21("3","2","1","3","5","1","6","1") = "5"
    & skf21("3","2","1","3","5","1","7","1") = "6"
    & skf21("3","2","1","3","5","2","1","1") = "4"
    & skf21("3","2","1","3","5","2","2","1") = "4"
    & skf21("3","2","1","3","5","2","3","1") = "4"
    & skf21("3","2","1","3","5","2","4","1") = "4"
    & skf21("3","2","1","3","5","2","5","1") = "4"
    & skf21("3","2","1","3","5","2","6","1") = "5"
    & skf21("3","2","1","3","5","2","7","1") = "6"
    & skf21("3","2","1","3","5","3","1","1") = "4"
    & skf21("3","2","1","3","5","3","2","1") = "4"
    & skf21("3","2","1","3","5","3","3","1") = "4"
    & skf21("3","2","1","3","5","3","4","1") = "4"
    & skf21("3","2","1","3","5","3","5","1") = "4"
    & skf21("3","2","1","3","5","3","6","1") = "5"
    & skf21("3","2","1","3","5","3","7","1") = "6"
    & skf21("3","2","1","3","5","4","1","1") = "4"
    & skf21("3","2","1","3","5","4","2","1") = "4"
    & skf21("3","2","1","3","5","4","3","1") = "4"
    & skf21("3","2","1","3","5","4","4","1") = "4"
    & skf21("3","2","1","3","5","4","5","1") = "4"
    & skf21("3","2","1","3","5","4","6","1") = "5"
    & skf21("3","2","1","3","5","4","7","1") = "6"
    & skf21("3","2","1","3","5","5","1","1") = "4"
    & skf21("3","2","1","3","5","5","2","1") = "4"
    & skf21("3","2","1","3","5","5","3","1") = "4"
    & skf21("3","2","1","3","5","5","4","1") = "4"
    & skf21("3","2","1","3","5","5","5","1") = "4"
    & skf21("3","2","1","3","5","5","6","1") = "5"
    & skf21("3","2","1","3","5","5","7","1") = "6"
    & skf21("3","2","1","3","5","6","1","1") = "5"
    & skf21("3","2","1","3","5","6","2","1") = "5"
    & skf21("3","2","1","3","5","6","3","1") = "5"
    & skf21("3","2","1","3","5","6","4","1") = "5"
    & skf21("3","2","1","3","5","6","5","1") = "5"
    & skf21("3","2","1","3","5","6","6","1") = "5"
    & skf21("3","2","1","3","5","6","7","1") = "6"
    & skf21("3","2","1","3","5","7","1","1") = "6"
    & skf21("3","2","1","3","5","7","2","1") = "6"
    & skf21("3","2","1","3","5","7","3","1") = "6"
    & skf21("3","2","1","3","5","7","4","1") = "6"
    & skf21("3","2","1","3","5","7","5","1") = "6"
    & skf21("3","2","1","3","5","7","6","1") = "6"
    & skf21("3","2","1","3","5","7","7","1") = "6"
    & skf21("3","2","1","3","6","1","1","1") = "5"
    & skf21("3","2","1","3","6","1","2","1") = "5"
    & skf21("3","2","1","3","6","1","3","1") = "5"
    & skf21("3","2","1","3","6","1","4","1") = "5"
    & skf21("3","2","1","3","6","1","5","1") = "5"
    & skf21("3","2","1","3","6","1","6","1") = "5"
    & skf21("3","2","1","3","6","1","7","1") = "6"
    & skf21("3","2","1","3","6","2","1","1") = "5"
    & skf21("3","2","1","3","6","2","2","1") = "5"
    & skf21("3","2","1","3","6","2","3","1") = "5"
    & skf21("3","2","1","3","6","2","4","1") = "5"
    & skf21("3","2","1","3","6","2","5","1") = "5"
    & skf21("3","2","1","3","6","2","6","1") = "5"
    & skf21("3","2","1","3","6","2","7","1") = "6"
    & skf21("3","2","1","3","6","3","1","1") = "5"
    & skf21("3","2","1","3","6","3","2","1") = "5"
    & skf21("3","2","1","3","6","3","3","1") = "5"
    & skf21("3","2","1","3","6","3","4","1") = "5"
    & skf21("3","2","1","3","6","3","5","1") = "5"
    & skf21("3","2","1","3","6","3","6","1") = "5"
    & skf21("3","2","1","3","6","3","7","1") = "6"
    & skf21("3","2","1","3","6","4","1","1") = "5"
    & skf21("3","2","1","3","6","4","2","1") = "5"
    & skf21("3","2","1","3","6","4","3","1") = "5"
    & skf21("3","2","1","3","6","4","4","1") = "5"
    & skf21("3","2","1","3","6","4","5","1") = "5"
    & skf21("3","2","1","3","6","4","6","1") = "5"
    & skf21("3","2","1","3","6","4","7","1") = "6"
    & skf21("3","2","1","3","6","5","1","1") = "5"
    & skf21("3","2","1","3","6","5","2","1") = "5"
    & skf21("3","2","1","3","6","5","3","1") = "5"
    & skf21("3","2","1","3","6","5","4","1") = "5"
    & skf21("3","2","1","3","6","5","5","1") = "5"
    & skf21("3","2","1","3","6","5","6","1") = "5"
    & skf21("3","2","1","3","6","5","7","1") = "6"
    & skf21("3","2","1","3","6","6","1","1") = "5"
    & skf21("3","2","1","3","6","6","2","1") = "5"
    & skf21("3","2","1","3","6","6","3","1") = "5"
    & skf21("3","2","1","3","6","6","4","1") = "5"
    & skf21("3","2","1","3","6","6","5","1") = "5"
    & skf21("3","2","1","3","6","6","6","1") = "5"
    & skf21("3","2","1","3","6","6","7","1") = "6"
    & skf21("3","2","1","3","6","7","1","1") = "6"
    & skf21("3","2","1","3","6","7","2","1") = "6"
    & skf21("3","2","1","3","6","7","3","1") = "6"
    & skf21("3","2","1","3","6","7","4","1") = "6"
    & skf21("3","2","1","3","6","7","5","1") = "6"
    & skf21("3","2","1","3","6","7","6","1") = "6"
    & skf21("3","2","1","3","6","7","7","1") = "6"
    & skf21("3","2","1","3","7","1","1","1") = "6"
    & skf21("3","2","1","3","7","1","2","1") = "6"
    & skf21("3","2","1","3","7","1","3","1") = "6"
    & skf21("3","2","1","3","7","1","4","1") = "6"
    & skf21("3","2","1","3","7","1","5","1") = "6"
    & skf21("3","2","1","3","7","1","6","1") = "6"
    & skf21("3","2","1","3","7","1","7","1") = "6"
    & skf21("3","2","1","3","7","2","1","1") = "6"
    & skf21("3","2","1","3","7","2","2","1") = "6"
    & skf21("3","2","1","3","7","2","3","1") = "6"
    & skf21("3","2","1","3","7","2","4","1") = "6"
    & skf21("3","2","1","3","7","2","5","1") = "6"
    & skf21("3","2","1","3","7","2","6","1") = "6"
    & skf21("3","2","1","3","7","2","7","1") = "6"
    & skf21("3","2","1","3","7","3","1","1") = "6"
    & skf21("3","2","1","3","7","3","2","1") = "6"
    & skf21("3","2","1","3","7","3","3","1") = "6"
    & skf21("3","2","1","3","7","3","4","1") = "6"
    & skf21("3","2","1","3","7","3","5","1") = "6"
    & skf21("3","2","1","3","7","3","6","1") = "6"
    & skf21("3","2","1","3","7","3","7","1") = "6"
    & skf21("3","2","1","3","7","4","1","1") = "6"
    & skf21("3","2","1","3","7","4","2","1") = "6"
    & skf21("3","2","1","3","7","4","3","1") = "6"
    & skf21("3","2","1","3","7","4","4","1") = "6"
    & skf21("3","2","1","3","7","4","5","1") = "6"
    & skf21("3","2","1","3","7","4","6","1") = "6"
    & skf21("3","2","1","3","7","4","7","1") = "6"
    & skf21("3","2","1","3","7","5","1","1") = "6"
    & skf21("3","2","1","3","7","5","2","1") = "6"
    & skf21("3","2","1","3","7","5","3","1") = "6"
    & skf21("3","2","1","3","7","5","4","1") = "6"
    & skf21("3","2","1","3","7","5","5","1") = "6"
    & skf21("3","2","1","3","7","5","6","1") = "6"
    & skf21("3","2","1","3","7","5","7","1") = "6"
    & skf21("3","2","1","3","7","6","1","1") = "6"
    & skf21("3","2","1","3","7","6","2","1") = "6"
    & skf21("3","2","1","3","7","6","3","1") = "6"
    & skf21("3","2","1","3","7","6","4","1") = "6"
    & skf21("3","2","1","3","7","6","5","1") = "6"
    & skf21("3","2","1","3","7","6","6","1") = "6"
    & skf21("3","2","1","3","7","6","7","1") = "6"
    & skf21("3","2","1","3","7","7","1","1") = "6"
    & skf21("3","2","1","3","7","7","2","1") = "6"
    & skf21("3","2","1","3","7","7","3","1") = "6"
    & skf21("3","2","1","3","7","7","4","1") = "6"
    & skf21("3","2","1","3","7","7","5","1") = "6"
    & skf21("3","2","1","3","7","7","6","1") = "6"
    & skf21("3","2","1","3","7","7","7","1") = "6"
    & skf21("3","2","1","4","1","1","1","1") = "3"
    & skf21("3","2","1","4","1","1","2","1") = "3"
    & skf21("3","2","1","4","1","1","3","1") = "3"
    & skf21("3","2","1","4","1","1","4","1") = "3"
    & skf21("3","2","1","4","1","1","5","1") = "4"
    & skf21("3","2","1","4","1","1","6","1") = "5"
    & skf21("3","2","1","4","1","1","7","1") = "6"
    & skf21("3","2","1","4","1","2","1","1") = "3"
    & skf21("3","2","1","4","1","2","2","1") = "3"
    & skf21("3","2","1","4","1","2","3","1") = "3"
    & skf21("3","2","1","4","1","2","4","1") = "3"
    & skf21("3","2","1","4","1","2","5","1") = "4"
    & skf21("3","2","1","4","1","2","6","1") = "5"
    & skf21("3","2","1","4","1","2","7","1") = "6"
    & skf21("3","2","1","4","1","3","1","1") = "3"
    & skf21("3","2","1","4","1","3","2","1") = "3"
    & skf21("3","2","1","4","1","3","3","1") = "3"
    & skf21("3","2","1","4","1","3","4","1") = "3"
    & skf21("3","2","1","4","1","3","5","1") = "4"
    & skf21("3","2","1","4","1","3","6","1") = "5"
    & skf21("3","2","1","4","1","3","7","1") = "6"
    & skf21("3","2","1","4","1","4","1","1") = "3"
    & skf21("3","2","1","4","1","4","2","1") = "3"
    & skf21("3","2","1","4","1","4","3","1") = "3"
    & skf21("3","2","1","4","1","4","4","1") = "3"
    & skf21("3","2","1","4","1","4","5","1") = "4"
    & skf21("3","2","1","4","1","4","6","1") = "5"
    & skf21("3","2","1","4","1","4","7","1") = "6"
    & skf21("3","2","1","4","1","5","1","1") = "4"
    & skf21("3","2","1","4","1","5","2","1") = "4"
    & skf21("3","2","1","4","1","5","3","1") = "4"
    & skf21("3","2","1","4","1","5","4","1") = "4"
    & skf21("3","2","1","4","1","5","5","1") = "4"
    & skf21("3","2","1","4","1","5","6","1") = "5"
    & skf21("3","2","1","4","1","5","7","1") = "6"
    & skf21("3","2","1","4","1","6","1","1") = "5"
    & skf21("3","2","1","4","1","6","2","1") = "5"
    & skf21("3","2","1","4","1","6","3","1") = "5"
    & skf21("3","2","1","4","1","6","4","1") = "5"
    & skf21("3","2","1","4","1","6","5","1") = "5"
    & skf21("3","2","1","4","1","6","6","1") = "5"
    & skf21("3","2","1","4","1","6","7","1") = "6"
    & skf21("3","2","1","4","1","7","1","1") = "6"
    & skf21("3","2","1","4","1","7","2","1") = "6"
    & skf21("3","2","1","4","1","7","3","1") = "6"
    & skf21("3","2","1","4","1","7","4","1") = "6"
    & skf21("3","2","1","4","1","7","5","1") = "6"
    & skf21("3","2","1","4","1","7","6","1") = "6"
    & skf21("3","2","1","4","1","7","7","1") = "6"
    & skf21("3","2","1","4","2","1","1","1") = "3"
    & skf21("3","2","1","4","2","1","2","1") = "3"
    & skf21("3","2","1","4","2","1","3","1") = "3"
    & skf21("3","2","1","4","2","1","4","1") = "3"
    & skf21("3","2","1","4","2","1","5","1") = "4"
    & skf21("3","2","1","4","2","1","6","1") = "5"
    & skf21("3","2","1","4","2","1","7","1") = "6"
    & skf21("3","2","1","4","2","2","1","1") = "3"
    & skf21("3","2","1","4","2","2","2","1") = "3"
    & skf21("3","2","1","4","2","2","3","1") = "3"
    & skf21("3","2","1","4","2","2","4","1") = "3"
    & skf21("3","2","1","4","2","2","5","1") = "4"
    & skf21("3","2","1","4","2","2","6","1") = "5"
    & skf21("3","2","1","4","2","2","7","1") = "6"
    & skf21("3","2","1","4","2","3","1","1") = "3"
    & skf21("3","2","1","4","2","3","2","1") = "3"
    & skf21("3","2","1","4","2","3","3","1") = "3"
    & skf21("3","2","1","4","2","3","4","1") = "3"
    & skf21("3","2","1","4","2","3","5","1") = "4"
    & skf21("3","2","1","4","2","3","6","1") = "5"
    & skf21("3","2","1","4","2","3","7","1") = "6"
    & skf21("3","2","1","4","2","4","1","1") = "3"
    & skf21("3","2","1","4","2","4","2","1") = "3"
    & skf21("3","2","1","4","2","4","3","1") = "3"
    & skf21("3","2","1","4","2","4","4","1") = "3"
    & skf21("3","2","1","4","2","4","5","1") = "4"
    & skf21("3","2","1","4","2","4","6","1") = "5"
    & skf21("3","2","1","4","2","4","7","1") = "6"
    & skf21("3","2","1","4","2","5","1","1") = "4"
    & skf21("3","2","1","4","2","5","2","1") = "4"
    & skf21("3","2","1","4","2","5","3","1") = "4"
    & skf21("3","2","1","4","2","5","4","1") = "4"
    & skf21("3","2","1","4","2","5","5","1") = "4"
    & skf21("3","2","1","4","2","5","6","1") = "5"
    & skf21("3","2","1","4","2","5","7","1") = "6"
    & skf21("3","2","1","4","2","6","1","1") = "5"
    & skf21("3","2","1","4","2","6","2","1") = "5"
    & skf21("3","2","1","4","2","6","3","1") = "5"
    & skf21("3","2","1","4","2","6","4","1") = "5"
    & skf21("3","2","1","4","2","6","5","1") = "5"
    & skf21("3","2","1","4","2","6","6","1") = "5"
    & skf21("3","2","1","4","2","6","7","1") = "6"
    & skf21("3","2","1","4","2","7","1","1") = "6"
    & skf21("3","2","1","4","2","7","2","1") = "6"
    & skf21("3","2","1","4","2","7","3","1") = "6"
    & skf21("3","2","1","4","2","7","4","1") = "6"
    & skf21("3","2","1","4","2","7","5","1") = "6"
    & skf21("3","2","1","4","2","7","6","1") = "6"
    & skf21("3","2","1","4","2","7","7","1") = "6"
    & skf21("3","2","1","4","3","1","1","1") = "3"
    & skf21("3","2","1","4","3","1","2","1") = "3"
    & skf21("3","2","1","4","3","1","3","1") = "3"
    & skf21("3","2","1","4","3","1","4","1") = "3"
    & skf21("3","2","1","4","3","1","5","1") = "4"
    & skf21("3","2","1","4","3","1","6","1") = "5"
    & skf21("3","2","1","4","3","1","7","1") = "6"
    & skf21("3","2","1","4","3","2","1","1") = "3"
    & skf21("3","2","1","4","3","2","2","1") = "3"
    & skf21("3","2","1","4","3","2","3","1") = "3"
    & skf21("3","2","1","4","3","2","4","1") = "3"
    & skf21("3","2","1","4","3","2","5","1") = "4"
    & skf21("3","2","1","4","3","2","6","1") = "5"
    & skf21("3","2","1","4","3","2","7","1") = "6"
    & skf21("3","2","1","4","3","3","1","1") = "3"
    & skf21("3","2","1","4","3","3","2","1") = "3"
    & skf21("3","2","1","4","3","3","3","1") = "3"
    & skf21("3","2","1","4","3","3","4","1") = "3"
    & skf21("3","2","1","4","3","3","5","1") = "4"
    & skf21("3","2","1","4","3","3","6","1") = "5"
    & skf21("3","2","1","4","3","3","7","1") = "6"
    & skf21("3","2","1","4","3","4","1","1") = "3"
    & skf21("3","2","1","4","3","4","2","1") = "3"
    & skf21("3","2","1","4","3","4","3","1") = "3"
    & skf21("3","2","1","4","3","4","4","1") = "3"
    & skf21("3","2","1","4","3","4","5","1") = "4"
    & skf21("3","2","1","4","3","4","6","1") = "5"
    & skf21("3","2","1","4","3","4","7","1") = "6"
    & skf21("3","2","1","4","3","5","1","1") = "4"
    & skf21("3","2","1","4","3","5","2","1") = "4"
    & skf21("3","2","1","4","3","5","3","1") = "4"
    & skf21("3","2","1","4","3","5","4","1") = "4"
    & skf21("3","2","1","4","3","5","5","1") = "4"
    & skf21("3","2","1","4","3","5","6","1") = "5"
    & skf21("3","2","1","4","3","5","7","1") = "6"
    & skf21("3","2","1","4","3","6","1","1") = "5"
    & skf21("3","2","1","4","3","6","2","1") = "5"
    & skf21("3","2","1","4","3","6","3","1") = "5"
    & skf21("3","2","1","4","3","6","4","1") = "5"
    & skf21("3","2","1","4","3","6","5","1") = "5"
    & skf21("3","2","1","4","3","6","6","1") = "5"
    & skf21("3","2","1","4","3","6","7","1") = "6"
    & skf21("3","2","1","4","3","7","1","1") = "6"
    & skf21("3","2","1","4","3","7","2","1") = "6"
    & skf21("3","2","1","4","3","7","3","1") = "6"
    & skf21("3","2","1","4","3","7","4","1") = "6"
    & skf21("3","2","1","4","3","7","5","1") = "6"
    & skf21("3","2","1","4","3","7","6","1") = "6"
    & skf21("3","2","1","4","3","7","7","1") = "6"
    & skf21("3","2","1","4","4","1","1","1") = "3"
    & skf21("3","2","1","4","4","1","2","1") = "3"
    & skf21("3","2","1","4","4","1","3","1") = "3"
    & skf21("3","2","1","4","4","1","4","1") = "3"
    & skf21("3","2","1","4","4","1","5","1") = "4"
    & skf21("3","2","1","4","4","1","6","1") = "5"
    & skf21("3","2","1","4","4","1","7","1") = "6"
    & skf21("3","2","1","4","4","2","1","1") = "3"
    & skf21("3","2","1","4","4","2","2","1") = "3"
    & skf21("3","2","1","4","4","2","3","1") = "3"
    & skf21("3","2","1","4","4","2","4","1") = "3"
    & skf21("3","2","1","4","4","2","5","1") = "4"
    & skf21("3","2","1","4","4","2","6","1") = "5"
    & skf21("3","2","1","4","4","2","7","1") = "6"
    & skf21("3","2","1","4","4","3","1","1") = "3"
    & skf21("3","2","1","4","4","3","2","1") = "3"
    & skf21("3","2","1","4","4","3","3","1") = "3"
    & skf21("3","2","1","4","4","3","4","1") = "3"
    & skf21("3","2","1","4","4","3","5","1") = "4"
    & skf21("3","2","1","4","4","3","6","1") = "5"
    & skf21("3","2","1","4","4","3","7","1") = "6"
    & skf21("3","2","1","4","4","4","1","1") = "3"
    & skf21("3","2","1","4","4","4","2","1") = "3"
    & skf21("3","2","1","4","4","4","3","1") = "3"
    & skf21("3","2","1","4","4","4","4","1") = "3"
    & skf21("3","2","1","4","4","4","5","1") = "4"
    & skf21("3","2","1","4","4","4","6","1") = "5"
    & skf21("3","2","1","4","4","4","7","1") = "6"
    & skf21("3","2","1","4","4","5","1","1") = "4"
    & skf21("3","2","1","4","4","5","2","1") = "4"
    & skf21("3","2","1","4","4","5","3","1") = "4"
    & skf21("3","2","1","4","4","5","4","1") = "4"
    & skf21("3","2","1","4","4","5","5","1") = "4"
    & skf21("3","2","1","4","4","5","6","1") = "5"
    & skf21("3","2","1","4","4","5","7","1") = "6"
    & skf21("3","2","1","4","4","6","1","1") = "5"
    & skf21("3","2","1","4","4","6","2","1") = "5"
    & skf21("3","2","1","4","4","6","3","1") = "5"
    & skf21("3","2","1","4","4","6","4","1") = "5"
    & skf21("3","2","1","4","4","6","5","1") = "5"
    & skf21("3","2","1","4","4","6","6","1") = "5"
    & skf21("3","2","1","4","4","6","7","1") = "6"
    & skf21("3","2","1","4","4","7","1","1") = "6"
    & skf21("3","2","1","4","4","7","2","1") = "6"
    & skf21("3","2","1","4","4","7","3","1") = "6"
    & skf21("3","2","1","4","4","7","4","1") = "6"
    & skf21("3","2","1","4","4","7","5","1") = "6"
    & skf21("3","2","1","4","4","7","6","1") = "6"
    & skf21("3","2","1","4","4","7","7","1") = "6"
    & skf21("3","2","1","4","5","1","1","1") = "4"
    & skf21("3","2","1","4","5","1","2","1") = "4"
    & skf21("3","2","1","4","5","1","3","1") = "4"
    & skf21("3","2","1","4","5","1","4","1") = "4"
    & skf21("3","2","1","4","5","1","5","1") = "4"
    & skf21("3","2","1","4","5","1","6","1") = "5"
    & skf21("3","2","1","4","5","1","7","1") = "6"
    & skf21("3","2","1","4","5","2","1","1") = "4"
    & skf21("3","2","1","4","5","2","2","1") = "4"
    & skf21("3","2","1","4","5","2","3","1") = "4"
    & skf21("3","2","1","4","5","2","4","1") = "4"
    & skf21("3","2","1","4","5","2","5","1") = "4"
    & skf21("3","2","1","4","5","2","6","1") = "5"
    & skf21("3","2","1","4","5","2","7","1") = "6"
    & skf21("3","2","1","4","5","3","1","1") = "4"
    & skf21("3","2","1","4","5","3","2","1") = "4"
    & skf21("3","2","1","4","5","3","3","1") = "4"
    & skf21("3","2","1","4","5","3","4","1") = "4"
    & skf21("3","2","1","4","5","3","5","1") = "4"
    & skf21("3","2","1","4","5","3","6","1") = "5"
    & skf21("3","2","1","4","5","3","7","1") = "6"
    & skf21("3","2","1","4","5","4","1","1") = "4"
    & skf21("3","2","1","4","5","4","2","1") = "4"
    & skf21("3","2","1","4","5","4","3","1") = "4"
    & skf21("3","2","1","4","5","4","4","1") = "4"
    & skf21("3","2","1","4","5","4","5","1") = "4"
    & skf21("3","2","1","4","5","4","6","1") = "5"
    & skf21("3","2","1","4","5","4","7","1") = "6"
    & skf21("3","2","1","4","5","5","1","1") = "4"
    & skf21("3","2","1","4","5","5","2","1") = "4"
    & skf21("3","2","1","4","5","5","3","1") = "4"
    & skf21("3","2","1","4","5","5","4","1") = "4"
    & skf21("3","2","1","4","5","5","5","1") = "4"
    & skf21("3","2","1","4","5","5","6","1") = "5"
    & skf21("3","2","1","4","5","5","7","1") = "6"
    & skf21("3","2","1","4","5","6","1","1") = "5"
    & skf21("3","2","1","4","5","6","2","1") = "5"
    & skf21("3","2","1","4","5","6","3","1") = "5"
    & skf21("3","2","1","4","5","6","4","1") = "5"
    & skf21("3","2","1","4","5","6","5","1") = "5"
    & skf21("3","2","1","4","5","6","6","1") = "5"
    & skf21("3","2","1","4","5","6","7","1") = "6"
    & skf21("3","2","1","4","5","7","1","1") = "6"
    & skf21("3","2","1","4","5","7","2","1") = "6"
    & skf21("3","2","1","4","5","7","3","1") = "6"
    & skf21("3","2","1","4","5","7","4","1") = "6"
    & skf21("3","2","1","4","5","7","5","1") = "6"
    & skf21("3","2","1","4","5","7","6","1") = "6"
    & skf21("3","2","1","4","5","7","7","1") = "6"
    & skf21("3","2","1","4","6","1","1","1") = "5"
    & skf21("3","2","1","4","6","1","2","1") = "5"
    & skf21("3","2","1","4","6","1","3","1") = "5"
    & skf21("3","2","1","4","6","1","4","1") = "5"
    & skf21("3","2","1","4","6","1","5","1") = "5"
    & skf21("3","2","1","4","6","1","6","1") = "5"
    & skf21("3","2","1","4","6","1","7","1") = "6"
    & skf21("3","2","1","4","6","2","1","1") = "5"
    & skf21("3","2","1","4","6","2","2","1") = "5"
    & skf21("3","2","1","4","6","2","3","1") = "5"
    & skf21("3","2","1","4","6","2","4","1") = "5"
    & skf21("3","2","1","4","6","2","5","1") = "5"
    & skf21("3","2","1","4","6","2","6","1") = "5"
    & skf21("3","2","1","4","6","2","7","1") = "6"
    & skf21("3","2","1","4","6","3","1","1") = "5"
    & skf21("3","2","1","4","6","3","2","1") = "5"
    & skf21("3","2","1","4","6","3","3","1") = "5"
    & skf21("3","2","1","4","6","3","4","1") = "5"
    & skf21("3","2","1","4","6","3","5","1") = "5"
    & skf21("3","2","1","4","6","3","6","1") = "5"
    & skf21("3","2","1","4","6","3","7","1") = "6"
    & skf21("3","2","1","4","6","4","1","1") = "5"
    & skf21("3","2","1","4","6","4","2","1") = "5"
    & skf21("3","2","1","4","6","4","3","1") = "5"
    & skf21("3","2","1","4","6","4","4","1") = "5"
    & skf21("3","2","1","4","6","4","5","1") = "5"
    & skf21("3","2","1","4","6","4","6","1") = "5"
    & skf21("3","2","1","4","6","4","7","1") = "6"
    & skf21("3","2","1","4","6","5","1","1") = "5"
    & skf21("3","2","1","4","6","5","2","1") = "5"
    & skf21("3","2","1","4","6","5","3","1") = "5"
    & skf21("3","2","1","4","6","5","4","1") = "5"
    & skf21("3","2","1","4","6","5","5","1") = "5"
    & skf21("3","2","1","4","6","5","6","1") = "5"
    & skf21("3","2","1","4","6","5","7","1") = "6"
    & skf21("3","2","1","4","6","6","1","1") = "5"
    & skf21("3","2","1","4","6","6","2","1") = "5"
    & skf21("3","2","1","4","6","6","3","1") = "5"
    & skf21("3","2","1","4","6","6","4","1") = "5"
    & skf21("3","2","1","4","6","6","5","1") = "5"
    & skf21("3","2","1","4","6","6","6","1") = "5"
    & skf21("3","2","1","4","6","6","7","1") = "6"
    & skf21("3","2","1","4","6","7","1","1") = "6"
    & skf21("3","2","1","4","6","7","2","1") = "6"
    & skf21("3","2","1","4","6","7","3","1") = "6"
    & skf21("3","2","1","4","6","7","4","1") = "6"
    & skf21("3","2","1","4","6","7","5","1") = "6"
    & skf21("3","2","1","4","6","7","6","1") = "6"
    & skf21("3","2","1","4","6","7","7","1") = "6"
    & skf21("3","2","1","4","7","1","1","1") = "6"
    & skf21("3","2","1","4","7","1","2","1") = "6"
    & skf21("3","2","1","4","7","1","3","1") = "6"
    & skf21("3","2","1","4","7","1","4","1") = "6"
    & skf21("3","2","1","4","7","1","5","1") = "6"
    & skf21("3","2","1","4","7","1","6","1") = "6"
    & skf21("3","2","1","4","7","1","7","1") = "6"
    & skf21("3","2","1","4","7","2","1","1") = "6"
    & skf21("3","2","1","4","7","2","2","1") = "6"
    & skf21("3","2","1","4","7","2","3","1") = "6"
    & skf21("3","2","1","4","7","2","4","1") = "6"
    & skf21("3","2","1","4","7","2","5","1") = "6"
    & skf21("3","2","1","4","7","2","6","1") = "6"
    & skf21("3","2","1","4","7","2","7","1") = "6"
    & skf21("3","2","1","4","7","3","1","1") = "6"
    & skf21("3","2","1","4","7","3","2","1") = "6"
    & skf21("3","2","1","4","7","3","3","1") = "6"
    & skf21("3","2","1","4","7","3","4","1") = "6"
    & skf21("3","2","1","4","7","3","5","1") = "6"
    & skf21("3","2","1","4","7","3","6","1") = "6"
    & skf21("3","2","1","4","7","3","7","1") = "6"
    & skf21("3","2","1","4","7","4","1","1") = "6"
    & skf21("3","2","1","4","7","4","2","1") = "6"
    & skf21("3","2","1","4","7","4","3","1") = "6"
    & skf21("3","2","1","4","7","4","4","1") = "6"
    & skf21("3","2","1","4","7","4","5","1") = "6"
    & skf21("3","2","1","4","7","4","6","1") = "6"
    & skf21("3","2","1","4","7","4","7","1") = "6"
    & skf21("3","2","1","4","7","5","1","1") = "6"
    & skf21("3","2","1","4","7","5","2","1") = "6"
    & skf21("3","2","1","4","7","5","3","1") = "6"
    & skf21("3","2","1","4","7","5","4","1") = "6"
    & skf21("3","2","1","4","7","5","5","1") = "6"
    & skf21("3","2","1","4","7","5","6","1") = "6"
    & skf21("3","2","1","4","7","5","7","1") = "6"
    & skf21("3","2","1","4","7","6","1","1") = "6"
    & skf21("3","2","1","4","7","6","2","1") = "6"
    & skf21("3","2","1","4","7","6","3","1") = "6"
    & skf21("3","2","1","4","7","6","4","1") = "6"
    & skf21("3","2","1","4","7","6","5","1") = "6"
    & skf21("3","2","1","4","7","6","6","1") = "6"
    & skf21("3","2","1","4","7","6","7","1") = "6"
    & skf21("3","2","1","4","7","7","1","1") = "6"
    & skf21("3","2","1","4","7","7","2","1") = "6"
    & skf21("3","2","1","4","7","7","3","1") = "6"
    & skf21("3","2","1","4","7","7","4","1") = "6"
    & skf21("3","2","1","4","7","7","5","1") = "6"
    & skf21("3","2","1","4","7","7","6","1") = "6"
    & skf21("3","2","1","4","7","7","7","1") = "6"
    & skf21("3","2","1","5","1","1","1","1") = "4"
    & skf21("3","2","1","5","1","1","2","1") = "4"
    & skf21("3","2","1","5","1","1","3","1") = "4"
    & skf21("3","2","1","5","1","1","4","1") = "4"
    & skf21("3","2","1","5","1","1","5","1") = "4"
    & skf21("3","2","1","5","1","1","6","1") = "5"
    & skf21("3","2","1","5","1","1","7","1") = "6"
    & skf21("3","2","1","5","1","2","1","1") = "4"
    & skf21("3","2","1","5","1","2","2","1") = "4"
    & skf21("3","2","1","5","1","2","3","1") = "4"
    & skf21("3","2","1","5","1","2","4","1") = "4"
    & skf21("3","2","1","5","1","2","5","1") = "4"
    & skf21("3","2","1","5","1","2","6","1") = "5"
    & skf21("3","2","1","5","1","2","7","1") = "6"
    & skf21("3","2","1","5","1","3","1","1") = "4"
    & skf21("3","2","1","5","1","3","2","1") = "4"
    & skf21("3","2","1","5","1","3","3","1") = "4"
    & skf21("3","2","1","5","1","3","4","1") = "4"
    & skf21("3","2","1","5","1","3","5","1") = "4"
    & skf21("3","2","1","5","1","3","6","1") = "5"
    & skf21("3","2","1","5","1","3","7","1") = "6"
    & skf21("3","2","1","5","1","4","1","1") = "4"
    & skf21("3","2","1","5","1","4","2","1") = "4"
    & skf21("3","2","1","5","1","4","3","1") = "4"
    & skf21("3","2","1","5","1","4","4","1") = "4"
    & skf21("3","2","1","5","1","4","5","1") = "4"
    & skf21("3","2","1","5","1","4","6","1") = "5"
    & skf21("3","2","1","5","1","4","7","1") = "6"
    & skf21("3","2","1","5","1","5","1","1") = "4"
    & skf21("3","2","1","5","1","5","2","1") = "4"
    & skf21("3","2","1","5","1","5","3","1") = "4"
    & skf21("3","2","1","5","1","5","4","1") = "4"
    & skf21("3","2","1","5","1","5","5","1") = "4"
    & skf21("3","2","1","5","1","5","6","1") = "5"
    & skf21("3","2","1","5","1","5","7","1") = "6"
    & skf21("3","2","1","5","1","6","1","1") = "5"
    & skf21("3","2","1","5","1","6","2","1") = "5"
    & skf21("3","2","1","5","1","6","3","1") = "5"
    & skf21("3","2","1","5","1","6","4","1") = "5"
    & skf21("3","2","1","5","1","6","5","1") = "5"
    & skf21("3","2","1","5","1","6","6","1") = "5"
    & skf21("3","2","1","5","1","6","7","1") = "6"
    & skf21("3","2","1","5","1","7","1","1") = "6"
    & skf21("3","2","1","5","1","7","2","1") = "6"
    & skf21("3","2","1","5","1","7","3","1") = "6"
    & skf21("3","2","1","5","1","7","4","1") = "6"
    & skf21("3","2","1","5","1","7","5","1") = "6"
    & skf21("3","2","1","5","1","7","6","1") = "6"
    & skf21("3","2","1","5","1","7","7","1") = "6"
    & skf21("3","2","1","5","2","1","1","1") = "4"
    & skf21("3","2","1","5","2","1","2","1") = "4"
    & skf21("3","2","1","5","2","1","3","1") = "4"
    & skf21("3","2","1","5","2","1","4","1") = "4"
    & skf21("3","2","1","5","2","1","5","1") = "4"
    & skf21("3","2","1","5","2","1","6","1") = "5"
    & skf21("3","2","1","5","2","1","7","1") = "6"
    & skf21("3","2","1","5","2","2","1","1") = "4"
    & skf21("3","2","1","5","2","2","2","1") = "4"
    & skf21("3","2","1","5","2","2","3","1") = "4"
    & skf21("3","2","1","5","2","2","4","1") = "4"
    & skf21("3","2","1","5","2","2","5","1") = "4"
    & skf21("3","2","1","5","2","2","6","1") = "5"
    & skf21("3","2","1","5","2","2","7","1") = "6"
    & skf21("3","2","1","5","2","3","1","1") = "4"
    & skf21("3","2","1","5","2","3","2","1") = "4"
    & skf21("3","2","1","5","2","3","3","1") = "4"
    & skf21("3","2","1","5","2","3","4","1") = "4"
    & skf21("3","2","1","5","2","3","5","1") = "4"
    & skf21("3","2","1","5","2","3","6","1") = "5"
    & skf21("3","2","1","5","2","3","7","1") = "6"
    & skf21("3","2","1","5","2","4","1","1") = "4"
    & skf21("3","2","1","5","2","4","2","1") = "4"
    & skf21("3","2","1","5","2","4","3","1") = "4"
    & skf21("3","2","1","5","2","4","4","1") = "4"
    & skf21("3","2","1","5","2","4","5","1") = "4"
    & skf21("3","2","1","5","2","4","6","1") = "5"
    & skf21("3","2","1","5","2","4","7","1") = "6"
    & skf21("3","2","1","5","2","5","1","1") = "4"
    & skf21("3","2","1","5","2","5","2","1") = "4"
    & skf21("3","2","1","5","2","5","3","1") = "4"
    & skf21("3","2","1","5","2","5","4","1") = "4"
    & skf21("3","2","1","5","2","5","5","1") = "4"
    & skf21("3","2","1","5","2","5","6","1") = "5"
    & skf21("3","2","1","5","2","5","7","1") = "6"
    & skf21("3","2","1","5","2","6","1","1") = "5"
    & skf21("3","2","1","5","2","6","2","1") = "5"
    & skf21("3","2","1","5","2","6","3","1") = "5"
    & skf21("3","2","1","5","2","6","4","1") = "5"
    & skf21("3","2","1","5","2","6","5","1") = "5"
    & skf21("3","2","1","5","2","6","6","1") = "5"
    & skf21("3","2","1","5","2","6","7","1") = "6"
    & skf21("3","2","1","5","2","7","1","1") = "6"
    & skf21("3","2","1","5","2","7","2","1") = "6"
    & skf21("3","2","1","5","2","7","3","1") = "6"
    & skf21("3","2","1","5","2","7","4","1") = "6"
    & skf21("3","2","1","5","2","7","5","1") = "6"
    & skf21("3","2","1","5","2","7","6","1") = "6"
    & skf21("3","2","1","5","2","7","7","1") = "6"
    & skf21("3","2","1","5","3","1","1","1") = "4"
    & skf21("3","2","1","5","3","1","2","1") = "4"
    & skf21("3","2","1","5","3","1","3","1") = "4"
    & skf21("3","2","1","5","3","1","4","1") = "4"
    & skf21("3","2","1","5","3","1","5","1") = "4"
    & skf21("3","2","1","5","3","1","6","1") = "5"
    & skf21("3","2","1","5","3","1","7","1") = "6"
    & skf21("3","2","1","5","3","2","1","1") = "4"
    & skf21("3","2","1","5","3","2","2","1") = "4"
    & skf21("3","2","1","5","3","2","3","1") = "4"
    & skf21("3","2","1","5","3","2","4","1") = "4"
    & skf21("3","2","1","5","3","2","5","1") = "4"
    & skf21("3","2","1","5","3","2","6","1") = "5"
    & skf21("3","2","1","5","3","2","7","1") = "6"
    & skf21("3","2","1","5","3","3","1","1") = "4"
    & skf21("3","2","1","5","3","3","2","1") = "4"
    & skf21("3","2","1","5","3","3","3","1") = "4"
    & skf21("3","2","1","5","3","3","4","1") = "4"
    & skf21("3","2","1","5","3","3","5","1") = "4"
    & skf21("3","2","1","5","3","3","6","1") = "5"
    & skf21("3","2","1","5","3","3","7","1") = "6"
    & skf21("3","2","1","5","3","4","1","1") = "4"
    & skf21("3","2","1","5","3","4","2","1") = "4"
    & skf21("3","2","1","5","3","4","3","1") = "4"
    & skf21("3","2","1","5","3","4","4","1") = "4"
    & skf21("3","2","1","5","3","4","5","1") = "4"
    & skf21("3","2","1","5","3","4","6","1") = "5"
    & skf21("3","2","1","5","3","4","7","1") = "6"
    & skf21("3","2","1","5","3","5","1","1") = "4"
    & skf21("3","2","1","5","3","5","2","1") = "4"
    & skf21("3","2","1","5","3","5","3","1") = "4"
    & skf21("3","2","1","5","3","5","4","1") = "4"
    & skf21("3","2","1","5","3","5","5","1") = "4"
    & skf21("3","2","1","5","3","5","6","1") = "5"
    & skf21("3","2","1","5","3","5","7","1") = "6"
    & skf21("3","2","1","5","3","6","1","1") = "5"
    & skf21("3","2","1","5","3","6","2","1") = "5"
    & skf21("3","2","1","5","3","6","3","1") = "5"
    & skf21("3","2","1","5","3","6","4","1") = "5"
    & skf21("3","2","1","5","3","6","5","1") = "5"
    & skf21("3","2","1","5","3","6","6","1") = "5"
    & skf21("3","2","1","5","3","6","7","1") = "6"
    & skf21("3","2","1","5","3","7","1","1") = "6"
    & skf21("3","2","1","5","3","7","2","1") = "6"
    & skf21("3","2","1","5","3","7","3","1") = "6"
    & skf21("3","2","1","5","3","7","4","1") = "6"
    & skf21("3","2","1","5","3","7","5","1") = "6"
    & skf21("3","2","1","5","3","7","6","1") = "6"
    & skf21("3","2","1","5","3","7","7","1") = "6"
    & skf21("3","2","1","5","4","1","1","1") = "4"
    & skf21("3","2","1","5","4","1","2","1") = "4"
    & skf21("3","2","1","5","4","1","3","1") = "4"
    & skf21("3","2","1","5","4","1","4","1") = "4"
    & skf21("3","2","1","5","4","1","5","1") = "4"
    & skf21("3","2","1","5","4","1","6","1") = "5"
    & skf21("3","2","1","5","4","1","7","1") = "6"
    & skf21("3","2","1","5","4","2","1","1") = "4"
    & skf21("3","2","1","5","4","2","2","1") = "4"
    & skf21("3","2","1","5","4","2","3","1") = "4"
    & skf21("3","2","1","5","4","2","4","1") = "4"
    & skf21("3","2","1","5","4","2","5","1") = "4"
    & skf21("3","2","1","5","4","2","6","1") = "5"
    & skf21("3","2","1","5","4","2","7","1") = "6"
    & skf21("3","2","1","5","4","3","1","1") = "4"
    & skf21("3","2","1","5","4","3","2","1") = "4"
    & skf21("3","2","1","5","4","3","3","1") = "4"
    & skf21("3","2","1","5","4","3","4","1") = "4"
    & skf21("3","2","1","5","4","3","5","1") = "4"
    & skf21("3","2","1","5","4","3","6","1") = "5"
    & skf21("3","2","1","5","4","3","7","1") = "6"
    & skf21("3","2","1","5","4","4","1","1") = "4"
    & skf21("3","2","1","5","4","4","2","1") = "4"
    & skf21("3","2","1","5","4","4","3","1") = "4"
    & skf21("3","2","1","5","4","4","4","1") = "4"
    & skf21("3","2","1","5","4","4","5","1") = "4"
    & skf21("3","2","1","5","4","4","6","1") = "5"
    & skf21("3","2","1","5","4","4","7","1") = "6"
    & skf21("3","2","1","5","4","5","1","1") = "4"
    & skf21("3","2","1","5","4","5","2","1") = "4"
    & skf21("3","2","1","5","4","5","3","1") = "4"
    & skf21("3","2","1","5","4","5","4","1") = "4"
    & skf21("3","2","1","5","4","5","5","1") = "4"
    & skf21("3","2","1","5","4","5","6","1") = "5"
    & skf21("3","2","1","5","4","5","7","1") = "6"
    & skf21("3","2","1","5","4","6","1","1") = "5"
    & skf21("3","2","1","5","4","6","2","1") = "5"
    & skf21("3","2","1","5","4","6","3","1") = "5"
    & skf21("3","2","1","5","4","6","4","1") = "5"
    & skf21("3","2","1","5","4","6","5","1") = "5"
    & skf21("3","2","1","5","4","6","6","1") = "5"
    & skf21("3","2","1","5","4","6","7","1") = "6"
    & skf21("3","2","1","5","4","7","1","1") = "6"
    & skf21("3","2","1","5","4","7","2","1") = "6"
    & skf21("3","2","1","5","4","7","3","1") = "6"
    & skf21("3","2","1","5","4","7","4","1") = "6"
    & skf21("3","2","1","5","4","7","5","1") = "6"
    & skf21("3","2","1","5","4","7","6","1") = "6"
    & skf21("3","2","1","5","4","7","7","1") = "6"
    & skf21("3","2","1","5","5","1","1","1") = "4"
    & skf21("3","2","1","5","5","1","2","1") = "4"
    & skf21("3","2","1","5","5","1","3","1") = "4"
    & skf21("3","2","1","5","5","1","4","1") = "4"
    & skf21("3","2","1","5","5","1","5","1") = "4"
    & skf21("3","2","1","5","5","1","6","1") = "5"
    & skf21("3","2","1","5","5","1","7","1") = "6"
    & skf21("3","2","1","5","5","2","1","1") = "4"
    & skf21("3","2","1","5","5","2","2","1") = "4"
    & skf21("3","2","1","5","5","2","3","1") = "4"
    & skf21("3","2","1","5","5","2","4","1") = "4"
    & skf21("3","2","1","5","5","2","5","1") = "4"
    & skf21("3","2","1","5","5","2","6","1") = "5"
    & skf21("3","2","1","5","5","2","7","1") = "6"
    & skf21("3","2","1","5","5","3","1","1") = "4"
    & skf21("3","2","1","5","5","3","2","1") = "4"
    & skf21("3","2","1","5","5","3","3","1") = "4"
    & skf21("3","2","1","5","5","3","4","1") = "4"
    & skf21("3","2","1","5","5","3","5","1") = "4"
    & skf21("3","2","1","5","5","3","6","1") = "5"
    & skf21("3","2","1","5","5","3","7","1") = "6"
    & skf21("3","2","1","5","5","4","1","1") = "4"
    & skf21("3","2","1","5","5","4","2","1") = "4"
    & skf21("3","2","1","5","5","4","3","1") = "4"
    & skf21("3","2","1","5","5","4","4","1") = "4"
    & skf21("3","2","1","5","5","4","5","1") = "4"
    & skf21("3","2","1","5","5","4","6","1") = "5"
    & skf21("3","2","1","5","5","4","7","1") = "6"
    & skf21("3","2","1","5","5","5","1","1") = "4"
    & skf21("3","2","1","5","5","5","2","1") = "4"
    & skf21("3","2","1","5","5","5","3","1") = "4"
    & skf21("3","2","1","5","5","5","4","1") = "4"
    & skf21("3","2","1","5","5","5","5","1") = "4"
    & skf21("3","2","1","5","5","5","6","1") = "5"
    & skf21("3","2","1","5","5","5","7","1") = "6"
    & skf21("3","2","1","5","5","6","1","1") = "5"
    & skf21("3","2","1","5","5","6","2","1") = "5"
    & skf21("3","2","1","5","5","6","3","1") = "5"
    & skf21("3","2","1","5","5","6","4","1") = "5"
    & skf21("3","2","1","5","5","6","5","1") = "5"
    & skf21("3","2","1","5","5","6","6","1") = "5"
    & skf21("3","2","1","5","5","6","7","1") = "6"
    & skf21("3","2","1","5","5","7","1","1") = "6"
    & skf21("3","2","1","5","5","7","2","1") = "6"
    & skf21("3","2","1","5","5","7","3","1") = "6"
    & skf21("3","2","1","5","5","7","4","1") = "6"
    & skf21("3","2","1","5","5","7","5","1") = "6"
    & skf21("3","2","1","5","5","7","6","1") = "6"
    & skf21("3","2","1","5","5","7","7","1") = "6"
    & skf21("3","2","1","5","6","1","1","1") = "5"
    & skf21("3","2","1","5","6","1","2","1") = "5"
    & skf21("3","2","1","5","6","1","3","1") = "5"
    & skf21("3","2","1","5","6","1","4","1") = "5"
    & skf21("3","2","1","5","6","1","5","1") = "5"
    & skf21("3","2","1","5","6","1","6","1") = "5"
    & skf21("3","2","1","5","6","1","7","1") = "6"
    & skf21("3","2","1","5","6","2","1","1") = "5"
    & skf21("3","2","1","5","6","2","2","1") = "5"
    & skf21("3","2","1","5","6","2","3","1") = "5"
    & skf21("3","2","1","5","6","2","4","1") = "5"
    & skf21("3","2","1","5","6","2","5","1") = "5"
    & skf21("3","2","1","5","6","2","6","1") = "5"
    & skf21("3","2","1","5","6","2","7","1") = "6"
    & skf21("3","2","1","5","6","3","1","1") = "5"
    & skf21("3","2","1","5","6","3","2","1") = "5"
    & skf21("3","2","1","5","6","3","3","1") = "5"
    & skf21("3","2","1","5","6","3","4","1") = "5"
    & skf21("3","2","1","5","6","3","5","1") = "5"
    & skf21("3","2","1","5","6","3","6","1") = "5"
    & skf21("3","2","1","5","6","3","7","1") = "6"
    & skf21("3","2","1","5","6","4","1","1") = "5"
    & skf21("3","2","1","5","6","4","2","1") = "5"
    & skf21("3","2","1","5","6","4","3","1") = "5"
    & skf21("3","2","1","5","6","4","4","1") = "5"
    & skf21("3","2","1","5","6","4","5","1") = "5"
    & skf21("3","2","1","5","6","4","6","1") = "5"
    & skf21("3","2","1","5","6","4","7","1") = "6"
    & skf21("3","2","1","5","6","5","1","1") = "5"
    & skf21("3","2","1","5","6","5","2","1") = "5"
    & skf21("3","2","1","5","6","5","3","1") = "5"
    & skf21("3","2","1","5","6","5","4","1") = "5"
    & skf21("3","2","1","5","6","5","5","1") = "5"
    & skf21("3","2","1","5","6","5","6","1") = "5"
    & skf21("3","2","1","5","6","5","7","1") = "6"
    & skf21("3","2","1","5","6","6","1","1") = "5"
    & skf21("3","2","1","5","6","6","2","1") = "5"
    & skf21("3","2","1","5","6","6","3","1") = "5"
    & skf21("3","2","1","5","6","6","4","1") = "5"
    & skf21("3","2","1","5","6","6","5","1") = "5"
    & skf21("3","2","1","5","6","6","6","1") = "5"
    & skf21("3","2","1","5","6","6","7","1") = "6"
    & skf21("3","2","1","5","6","7","1","1") = "6"
    & skf21("3","2","1","5","6","7","2","1") = "6"
    & skf21("3","2","1","5","6","7","3","1") = "6"
    & skf21("3","2","1","5","6","7","4","1") = "6"
    & skf21("3","2","1","5","6","7","5","1") = "6"
    & skf21("3","2","1","5","6","7","6","1") = "6"
    & skf21("3","2","1","5","6","7","7","1") = "6"
    & skf21("3","2","1","5","7","1","1","1") = "6"
    & skf21("3","2","1","5","7","1","2","1") = "6"
    & skf21("3","2","1","5","7","1","3","1") = "6"
    & skf21("3","2","1","5","7","1","4","1") = "6"
    & skf21("3","2","1","5","7","1","5","1") = "6"
    & skf21("3","2","1","5","7","1","6","1") = "6"
    & skf21("3","2","1","5","7","1","7","1") = "6"
    & skf21("3","2","1","5","7","2","1","1") = "6"
    & skf21("3","2","1","5","7","2","2","1") = "6"
    & skf21("3","2","1","5","7","2","3","1") = "6"
    & skf21("3","2","1","5","7","2","4","1") = "6"
    & skf21("3","2","1","5","7","2","5","1") = "6"
    & skf21("3","2","1","5","7","2","6","1") = "6"
    & skf21("3","2","1","5","7","2","7","1") = "6"
    & skf21("3","2","1","5","7","3","1","1") = "6"
    & skf21("3","2","1","5","7","3","2","1") = "6"
    & skf21("3","2","1","5","7","3","3","1") = "6"
    & skf21("3","2","1","5","7","3","4","1") = "6"
    & skf21("3","2","1","5","7","3","5","1") = "6"
    & skf21("3","2","1","5","7","3","6","1") = "6"
    & skf21("3","2","1","5","7","3","7","1") = "6"
    & skf21("3","2","1","5","7","4","1","1") = "6"
    & skf21("3","2","1","5","7","4","2","1") = "6"
    & skf21("3","2","1","5","7","4","3","1") = "6"
    & skf21("3","2","1","5","7","4","4","1") = "6"
    & skf21("3","2","1","5","7","4","5","1") = "6"
    & skf21("3","2","1","5","7","4","6","1") = "6"
    & skf21("3","2","1","5","7","4","7","1") = "6"
    & skf21("3","2","1","5","7","5","1","1") = "6"
    & skf21("3","2","1","5","7","5","2","1") = "6"
    & skf21("3","2","1","5","7","5","3","1") = "6"
    & skf21("3","2","1","5","7","5","4","1") = "6"
    & skf21("3","2","1","5","7","5","5","1") = "6"
    & skf21("3","2","1","5","7","5","6","1") = "6"
    & skf21("3","2","1","5","7","5","7","1") = "6"
    & skf21("3","2","1","5","7","6","1","1") = "6"
    & skf21("3","2","1","5","7","6","2","1") = "6"
    & skf21("3","2","1","5","7","6","3","1") = "6"
    & skf21("3","2","1","5","7","6","4","1") = "6"
    & skf21("3","2","1","5","7","6","5","1") = "6"
    & skf21("3","2","1","5","7","6","6","1") = "6"
    & skf21("3","2","1","5","7","6","7","1") = "6"
    & skf21("3","2","1","5","7","7","1","1") = "6"
    & skf21("3","2","1","5","7","7","2","1") = "6"
    & skf21("3","2","1","5","7","7","3","1") = "6"
    & skf21("3","2","1","5","7","7","4","1") = "6"
    & skf21("3","2","1","5","7","7","5","1") = "6"
    & skf21("3","2","1","5","7","7","6","1") = "6"
    & skf21("3","2","1","5","7","7","7","1") = "6"
    & skf21("3","2","1","6","1","1","1","1") = "5"
    & skf21("3","2","1","6","1","1","2","1") = "5"
    & skf21("3","2","1","6","1","1","3","1") = "5"
    & skf21("3","2","1","6","1","1","4","1") = "5"
    & skf21("3","2","1","6","1","1","5","1") = "5"
    & skf21("3","2","1","6","1","1","6","1") = "5"
    & skf21("3","2","1","6","1","1","7","1") = "6"
    & skf21("3","2","1","6","1","2","1","1") = "5"
    & skf21("3","2","1","6","1","2","2","1") = "5"
    & skf21("3","2","1","6","1","2","3","1") = "5"
    & skf21("3","2","1","6","1","2","4","1") = "5"
    & skf21("3","2","1","6","1","2","5","1") = "5"
    & skf21("3","2","1","6","1","2","6","1") = "5"
    & skf21("3","2","1","6","1","2","7","1") = "6"
    & skf21("3","2","1","6","1","3","1","1") = "5"
    & skf21("3","2","1","6","1","3","2","1") = "5"
    & skf21("3","2","1","6","1","3","3","1") = "5"
    & skf21("3","2","1","6","1","3","4","1") = "5"
    & skf21("3","2","1","6","1","3","5","1") = "5"
    & skf21("3","2","1","6","1","3","6","1") = "5"
    & skf21("3","2","1","6","1","3","7","1") = "6"
    & skf21("3","2","1","6","1","4","1","1") = "5"
    & skf21("3","2","1","6","1","4","2","1") = "5"
    & skf21("3","2","1","6","1","4","3","1") = "5"
    & skf21("3","2","1","6","1","4","4","1") = "5"
    & skf21("3","2","1","6","1","4","5","1") = "5"
    & skf21("3","2","1","6","1","4","6","1") = "5"
    & skf21("3","2","1","6","1","4","7","1") = "6"
    & skf21("3","2","1","6","1","5","1","1") = "5"
    & skf21("3","2","1","6","1","5","2","1") = "5"
    & skf21("3","2","1","6","1","5","3","1") = "5"
    & skf21("3","2","1","6","1","5","4","1") = "5"
    & skf21("3","2","1","6","1","5","5","1") = "5"
    & skf21("3","2","1","6","1","5","6","1") = "5"
    & skf21("3","2","1","6","1","5","7","1") = "6"
    & skf21("3","2","1","6","1","6","1","1") = "5"
    & skf21("3","2","1","6","1","6","2","1") = "5"
    & skf21("3","2","1","6","1","6","3","1") = "5"
    & skf21("3","2","1","6","1","6","4","1") = "5"
    & skf21("3","2","1","6","1","6","5","1") = "5"
    & skf21("3","2","1","6","1","6","6","1") = "5"
    & skf21("3","2","1","6","1","6","7","1") = "6"
    & skf21("3","2","1","6","1","7","1","1") = "6"
    & skf21("3","2","1","6","1","7","2","1") = "6"
    & skf21("3","2","1","6","1","7","3","1") = "6"
    & skf21("3","2","1","6","1","7","4","1") = "6"
    & skf21("3","2","1","6","1","7","5","1") = "6"
    & skf21("3","2","1","6","1","7","6","1") = "6"
    & skf21("3","2","1","6","1","7","7","1") = "6"
    & skf21("3","2","1","6","2","1","1","1") = "5"
    & skf21("3","2","1","6","2","1","2","1") = "5"
    & skf21("3","2","1","6","2","1","3","1") = "5"
    & skf21("3","2","1","6","2","1","4","1") = "5"
    & skf21("3","2","1","6","2","1","5","1") = "5"
    & skf21("3","2","1","6","2","1","6","1") = "5"
    & skf21("3","2","1","6","2","1","7","1") = "6"
    & skf21("3","2","1","6","2","2","1","1") = "5"
    & skf21("3","2","1","6","2","2","2","1") = "5"
    & skf21("3","2","1","6","2","2","3","1") = "5"
    & skf21("3","2","1","6","2","2","4","1") = "5"
    & skf21("3","2","1","6","2","2","5","1") = "5"
    & skf21("3","2","1","6","2","2","6","1") = "5"
    & skf21("3","2","1","6","2","2","7","1") = "6"
    & skf21("3","2","1","6","2","3","1","1") = "5"
    & skf21("3","2","1","6","2","3","2","1") = "5"
    & skf21("3","2","1","6","2","3","3","1") = "5"
    & skf21("3","2","1","6","2","3","4","1") = "5"
    & skf21("3","2","1","6","2","3","5","1") = "5"
    & skf21("3","2","1","6","2","3","6","1") = "5"
    & skf21("3","2","1","6","2","3","7","1") = "6"
    & skf21("3","2","1","6","2","4","1","1") = "5"
    & skf21("3","2","1","6","2","4","2","1") = "5"
    & skf21("3","2","1","6","2","4","3","1") = "5"
    & skf21("3","2","1","6","2","4","4","1") = "5"
    & skf21("3","2","1","6","2","4","5","1") = "5"
    & skf21("3","2","1","6","2","4","6","1") = "5"
    & skf21("3","2","1","6","2","4","7","1") = "6"
    & skf21("3","2","1","6","2","5","1","1") = "5"
    & skf21("3","2","1","6","2","5","2","1") = "5"
    & skf21("3","2","1","6","2","5","3","1") = "5"
    & skf21("3","2","1","6","2","5","4","1") = "5"
    & skf21("3","2","1","6","2","5","5","1") = "5"
    & skf21("3","2","1","6","2","5","6","1") = "5"
    & skf21("3","2","1","6","2","5","7","1") = "6"
    & skf21("3","2","1","6","2","6","1","1") = "5"
    & skf21("3","2","1","6","2","6","2","1") = "5"
    & skf21("3","2","1","6","2","6","3","1") = "5"
    & skf21("3","2","1","6","2","6","4","1") = "5"
    & skf21("3","2","1","6","2","6","5","1") = "5"
    & skf21("3","2","1","6","2","6","6","1") = "5"
    & skf21("3","2","1","6","2","6","7","1") = "6"
    & skf21("3","2","1","6","2","7","1","1") = "6"
    & skf21("3","2","1","6","2","7","2","1") = "6"
    & skf21("3","2","1","6","2","7","3","1") = "6"
    & skf21("3","2","1","6","2","7","4","1") = "6"
    & skf21("3","2","1","6","2","7","5","1") = "6"
    & skf21("3","2","1","6","2","7","6","1") = "6"
    & skf21("3","2","1","6","2","7","7","1") = "6"
    & skf21("3","2","1","6","3","1","1","1") = "5"
    & skf21("3","2","1","6","3","1","2","1") = "5"
    & skf21("3","2","1","6","3","1","3","1") = "5"
    & skf21("3","2","1","6","3","1","4","1") = "5"
    & skf21("3","2","1","6","3","1","5","1") = "5"
    & skf21("3","2","1","6","3","1","6","1") = "5"
    & skf21("3","2","1","6","3","1","7","1") = "6"
    & skf21("3","2","1","6","3","2","1","1") = "5"
    & skf21("3","2","1","6","3","2","2","1") = "5"
    & skf21("3","2","1","6","3","2","3","1") = "5"
    & skf21("3","2","1","6","3","2","4","1") = "5"
    & skf21("3","2","1","6","3","2","5","1") = "5"
    & skf21("3","2","1","6","3","2","6","1") = "5"
    & skf21("3","2","1","6","3","2","7","1") = "6"
    & skf21("3","2","1","6","3","3","1","1") = "5"
    & skf21("3","2","1","6","3","3","2","1") = "5"
    & skf21("3","2","1","6","3","3","3","1") = "5"
    & skf21("3","2","1","6","3","3","4","1") = "5"
    & skf21("3","2","1","6","3","3","5","1") = "5"
    & skf21("3","2","1","6","3","3","6","1") = "5"
    & skf21("3","2","1","6","3","3","7","1") = "6"
    & skf21("3","2","1","6","3","4","1","1") = "5"
    & skf21("3","2","1","6","3","4","2","1") = "5"
    & skf21("3","2","1","6","3","4","3","1") = "5"
    & skf21("3","2","1","6","3","4","4","1") = "5"
    & skf21("3","2","1","6","3","4","5","1") = "5"
    & skf21("3","2","1","6","3","4","6","1") = "5"
    & skf21("3","2","1","6","3","4","7","1") = "6"
    & skf21("3","2","1","6","3","5","1","1") = "5"
    & skf21("3","2","1","6","3","5","2","1") = "5"
    & skf21("3","2","1","6","3","5","3","1") = "5"
    & skf21("3","2","1","6","3","5","4","1") = "5"
    & skf21("3","2","1","6","3","5","5","1") = "5"
    & skf21("3","2","1","6","3","5","6","1") = "5"
    & skf21("3","2","1","6","3","5","7","1") = "6"
    & skf21("3","2","1","6","3","6","1","1") = "5"
    & skf21("3","2","1","6","3","6","2","1") = "5"
    & skf21("3","2","1","6","3","6","3","1") = "5"
    & skf21("3","2","1","6","3","6","4","1") = "5"
    & skf21("3","2","1","6","3","6","5","1") = "5"
    & skf21("3","2","1","6","3","6","6","1") = "5"
    & skf21("3","2","1","6","3","6","7","1") = "6"
    & skf21("3","2","1","6","3","7","1","1") = "6"
    & skf21("3","2","1","6","3","7","2","1") = "6"
    & skf21("3","2","1","6","3","7","3","1") = "6"
    & skf21("3","2","1","6","3","7","4","1") = "6"
    & skf21("3","2","1","6","3","7","5","1") = "6"
    & skf21("3","2","1","6","3","7","6","1") = "6"
    & skf21("3","2","1","6","3","7","7","1") = "6"
    & skf21("3","2","1","6","4","1","1","1") = "5"
    & skf21("3","2","1","6","4","1","2","1") = "5"
    & skf21("3","2","1","6","4","1","3","1") = "5"
    & skf21("3","2","1","6","4","1","4","1") = "5"
    & skf21("3","2","1","6","4","1","5","1") = "5"
    & skf21("3","2","1","6","4","1","6","1") = "5"
    & skf21("3","2","1","6","4","1","7","1") = "6"
    & skf21("3","2","1","6","4","2","1","1") = "5"
    & skf21("3","2","1","6","4","2","2","1") = "5"
    & skf21("3","2","1","6","4","2","3","1") = "5"
    & skf21("3","2","1","6","4","2","4","1") = "5"
    & skf21("3","2","1","6","4","2","5","1") = "5"
    & skf21("3","2","1","6","4","2","6","1") = "5"
    & skf21("3","2","1","6","4","2","7","1") = "6"
    & skf21("3","2","1","6","4","3","1","1") = "5"
    & skf21("3","2","1","6","4","3","2","1") = "5"
    & skf21("3","2","1","6","4","3","3","1") = "5"
    & skf21("3","2","1","6","4","3","4","1") = "5"
    & skf21("3","2","1","6","4","3","5","1") = "5"
    & skf21("3","2","1","6","4","3","6","1") = "5"
    & skf21("3","2","1","6","4","3","7","1") = "6"
    & skf21("3","2","1","6","4","4","1","1") = "5"
    & skf21("3","2","1","6","4","4","2","1") = "5"
    & skf21("3","2","1","6","4","4","3","1") = "5"
    & skf21("3","2","1","6","4","4","4","1") = "5"
    & skf21("3","2","1","6","4","4","5","1") = "5"
    & skf21("3","2","1","6","4","4","6","1") = "5"
    & skf21("3","2","1","6","4","4","7","1") = "6"
    & skf21("3","2","1","6","4","5","1","1") = "5"
    & skf21("3","2","1","6","4","5","2","1") = "5"
    & skf21("3","2","1","6","4","5","3","1") = "5"
    & skf21("3","2","1","6","4","5","4","1") = "5"
    & skf21("3","2","1","6","4","5","5","1") = "5"
    & skf21("3","2","1","6","4","5","6","1") = "5"
    & skf21("3","2","1","6","4","5","7","1") = "6"
    & skf21("3","2","1","6","4","6","1","1") = "5"
    & skf21("3","2","1","6","4","6","2","1") = "5"
    & skf21("3","2","1","6","4","6","3","1") = "5"
    & skf21("3","2","1","6","4","6","4","1") = "5"
    & skf21("3","2","1","6","4","6","5","1") = "5"
    & skf21("3","2","1","6","4","6","6","1") = "5"
    & skf21("3","2","1","6","4","6","7","1") = "6"
    & skf21("3","2","1","6","4","7","1","1") = "6"
    & skf21("3","2","1","6","4","7","2","1") = "6"
    & skf21("3","2","1","6","4","7","3","1") = "6"
    & skf21("3","2","1","6","4","7","4","1") = "6"
    & skf21("3","2","1","6","4","7","5","1") = "6"
    & skf21("3","2","1","6","4","7","6","1") = "6"
    & skf21("3","2","1","6","4","7","7","1") = "6"
    & skf21("3","2","1","6","5","1","1","1") = "5"
    & skf21("3","2","1","6","5","1","2","1") = "5"
    & skf21("3","2","1","6","5","1","3","1") = "5"
    & skf21("3","2","1","6","5","1","4","1") = "5"
    & skf21("3","2","1","6","5","1","5","1") = "5"
    & skf21("3","2","1","6","5","1","6","1") = "5"
    & skf21("3","2","1","6","5","1","7","1") = "6"
    & skf21("3","2","1","6","5","2","1","1") = "5"
    & skf21("3","2","1","6","5","2","2","1") = "5"
    & skf21("3","2","1","6","5","2","3","1") = "5"
    & skf21("3","2","1","6","5","2","4","1") = "5"
    & skf21("3","2","1","6","5","2","5","1") = "5"
    & skf21("3","2","1","6","5","2","6","1") = "5"
    & skf21("3","2","1","6","5","2","7","1") = "6"
    & skf21("3","2","1","6","5","3","1","1") = "5"
    & skf21("3","2","1","6","5","3","2","1") = "5"
    & skf21("3","2","1","6","5","3","3","1") = "5"
    & skf21("3","2","1","6","5","3","4","1") = "5"
    & skf21("3","2","1","6","5","3","5","1") = "5"
    & skf21("3","2","1","6","5","3","6","1") = "5"
    & skf21("3","2","1","6","5","3","7","1") = "6"
    & skf21("3","2","1","6","5","4","1","1") = "5"
    & skf21("3","2","1","6","5","4","2","1") = "5"
    & skf21("3","2","1","6","5","4","3","1") = "5"
    & skf21("3","2","1","6","5","4","4","1") = "5"
    & skf21("3","2","1","6","5","4","5","1") = "5"
    & skf21("3","2","1","6","5","4","6","1") = "5"
    & skf21("3","2","1","6","5","4","7","1") = "6"
    & skf21("3","2","1","6","5","5","1","1") = "5"
    & skf21("3","2","1","6","5","5","2","1") = "5"
    & skf21("3","2","1","6","5","5","3","1") = "5"
    & skf21("3","2","1","6","5","5","4","1") = "5"
    & skf21("3","2","1","6","5","5","5","1") = "5"
    & skf21("3","2","1","6","5","5","6","1") = "5"
    & skf21("3","2","1","6","5","5","7","1") = "6"
    & skf21("3","2","1","6","5","6","1","1") = "5"
    & skf21("3","2","1","6","5","6","2","1") = "5"
    & skf21("3","2","1","6","5","6","3","1") = "5"
    & skf21("3","2","1","6","5","6","4","1") = "5"
    & skf21("3","2","1","6","5","6","5","1") = "5"
    & skf21("3","2","1","6","5","6","6","1") = "5"
    & skf21("3","2","1","6","5","6","7","1") = "6"
    & skf21("3","2","1","6","5","7","1","1") = "6"
    & skf21("3","2","1","6","5","7","2","1") = "6"
    & skf21("3","2","1","6","5","7","3","1") = "6"
    & skf21("3","2","1","6","5","7","4","1") = "6"
    & skf21("3","2","1","6","5","7","5","1") = "6"
    & skf21("3","2","1","6","5","7","6","1") = "6"
    & skf21("3","2","1","6","5","7","7","1") = "6"
    & skf21("3","2","1","6","6","1","1","1") = "5"
    & skf21("3","2","1","6","6","1","2","1") = "5"
    & skf21("3","2","1","6","6","1","3","1") = "5"
    & skf21("3","2","1","6","6","1","4","1") = "5"
    & skf21("3","2","1","6","6","1","5","1") = "5"
    & skf21("3","2","1","6","6","1","6","1") = "5"
    & skf21("3","2","1","6","6","1","7","1") = "6"
    & skf21("3","2","1","6","6","2","1","1") = "5"
    & skf21("3","2","1","6","6","2","2","1") = "5"
    & skf21("3","2","1","6","6","2","3","1") = "5"
    & skf21("3","2","1","6","6","2","4","1") = "5"
    & skf21("3","2","1","6","6","2","5","1") = "5"
    & skf21("3","2","1","6","6","2","6","1") = "5"
    & skf21("3","2","1","6","6","2","7","1") = "6"
    & skf21("3","2","1","6","6","3","1","1") = "5"
    & skf21("3","2","1","6","6","3","2","1") = "5"
    & skf21("3","2","1","6","6","3","3","1") = "5"
    & skf21("3","2","1","6","6","3","4","1") = "5"
    & skf21("3","2","1","6","6","3","5","1") = "5"
    & skf21("3","2","1","6","6","3","6","1") = "5"
    & skf21("3","2","1","6","6","3","7","1") = "6"
    & skf21("3","2","1","6","6","4","1","1") = "5"
    & skf21("3","2","1","6","6","4","2","1") = "5"
    & skf21("3","2","1","6","6","4","3","1") = "5"
    & skf21("3","2","1","6","6","4","4","1") = "5"
    & skf21("3","2","1","6","6","4","5","1") = "5"
    & skf21("3","2","1","6","6","4","6","1") = "5"
    & skf21("3","2","1","6","6","4","7","1") = "6"
    & skf21("3","2","1","6","6","5","1","1") = "5"
    & skf21("3","2","1","6","6","5","2","1") = "5"
    & skf21("3","2","1","6","6","5","3","1") = "5"
    & skf21("3","2","1","6","6","5","4","1") = "5"
    & skf21("3","2","1","6","6","5","5","1") = "5"
    & skf21("3","2","1","6","6","5","6","1") = "5"
    & skf21("3","2","1","6","6","5","7","1") = "6"
    & skf21("3","2","1","6","6","6","1","1") = "5"
    & skf21("3","2","1","6","6","6","2","1") = "5"
    & skf21("3","2","1","6","6","6","3","1") = "5"
    & skf21("3","2","1","6","6","6","4","1") = "5"
    & skf21("3","2","1","6","6","6","5","1") = "5"
    & skf21("3","2","1","6","6","6","6","1") = "5"
    & skf21("3","2","1","6","6","6","7","1") = "6"
    & skf21("3","2","1","6","6","7","1","1") = "6"
    & skf21("3","2","1","6","6","7","2","1") = "6"
    & skf21("3","2","1","6","6","7","3","1") = "6"
    & skf21("3","2","1","6","6","7","4","1") = "6"
    & skf21("3","2","1","6","6","7","5","1") = "6"
    & skf21("3","2","1","6","6","7","6","1") = "6"
    & skf21("3","2","1","6","6","7","7","1") = "6"
    & skf21("3","2","1","6","7","1","1","1") = "6"
    & skf21("3","2","1","6","7","1","2","1") = "6"
    & skf21("3","2","1","6","7","1","3","1") = "6"
    & skf21("3","2","1","6","7","1","4","1") = "6"
    & skf21("3","2","1","6","7","1","5","1") = "6"
    & skf21("3","2","1","6","7","1","6","1") = "6"
    & skf21("3","2","1","6","7","1","7","1") = "6"
    & skf21("3","2","1","6","7","2","1","1") = "6"
    & skf21("3","2","1","6","7","2","2","1") = "6"
    & skf21("3","2","1","6","7","2","3","1") = "6"
    & skf21("3","2","1","6","7","2","4","1") = "6"
    & skf21("3","2","1","6","7","2","5","1") = "6"
    & skf21("3","2","1","6","7","2","6","1") = "6"
    & skf21("3","2","1","6","7","2","7","1") = "6"
    & skf21("3","2","1","6","7","3","1","1") = "6"
    & skf21("3","2","1","6","7","3","2","1") = "6"
    & skf21("3","2","1","6","7","3","3","1") = "6"
    & skf21("3","2","1","6","7","3","4","1") = "6"
    & skf21("3","2","1","6","7","3","5","1") = "6"
    & skf21("3","2","1","6","7","3","6","1") = "6"
    & skf21("3","2","1","6","7","3","7","1") = "6"
    & skf21("3","2","1","6","7","4","1","1") = "6"
    & skf21("3","2","1","6","7","4","2","1") = "6"
    & skf21("3","2","1","6","7","4","3","1") = "6"
    & skf21("3","2","1","6","7","4","4","1") = "6"
    & skf21("3","2","1","6","7","4","5","1") = "6"
    & skf21("3","2","1","6","7","4","6","1") = "6"
    & skf21("3","2","1","6","7","4","7","1") = "6"
    & skf21("3","2","1","6","7","5","1","1") = "6"
    & skf21("3","2","1","6","7","5","2","1") = "6"
    & skf21("3","2","1","6","7","5","3","1") = "6"
    & skf21("3","2","1","6","7","5","4","1") = "6"
    & skf21("3","2","1","6","7","5","5","1") = "6"
    & skf21("3","2","1","6","7","5","6","1") = "6"
    & skf21("3","2","1","6","7","5","7","1") = "6"
    & skf21("3","2","1","6","7","6","1","1") = "6"
    & skf21("3","2","1","6","7","6","2","1") = "6"
    & skf21("3","2","1","6","7","6","3","1") = "6"
    & skf21("3","2","1","6","7","6","4","1") = "6"
    & skf21("3","2","1","6","7","6","5","1") = "6"
    & skf21("3","2","1","6","7","6","6","1") = "6"
    & skf21("3","2","1","6","7","6","7","1") = "6"
    & skf21("3","2","1","6","7","7","1","1") = "6"
    & skf21("3","2","1","6","7","7","2","1") = "6"
    & skf21("3","2","1","6","7","7","3","1") = "6"
    & skf21("3","2","1","6","7","7","4","1") = "6"
    & skf21("3","2","1","6","7","7","5","1") = "6"
    & skf21("3","2","1","6","7","7","6","1") = "6"
    & skf21("3","2","1","6","7","7","7","1") = "6"
    & skf21("3","2","1","7","1","1","1","1") = "6"
    & skf21("3","2","1","7","1","1","2","1") = "6"
    & skf21("3","2","1","7","1","1","3","1") = "6"
    & skf21("3","2","1","7","1","1","4","1") = "6"
    & skf21("3","2","1","7","1","1","5","1") = "6"
    & skf21("3","2","1","7","1","1","6","1") = "6"
    & skf21("3","2","1","7","1","1","7","1") = "6"
    & skf21("3","2","1","7","1","2","1","1") = "6"
    & skf21("3","2","1","7","1","2","2","1") = "6"
    & skf21("3","2","1","7","1","2","3","1") = "6"
    & skf21("3","2","1","7","1","2","4","1") = "6"
    & skf21("3","2","1","7","1","2","5","1") = "6"
    & skf21("3","2","1","7","1","2","6","1") = "6"
    & skf21("3","2","1","7","1","2","7","1") = "6"
    & skf21("3","2","1","7","1","3","1","1") = "6"
    & skf21("3","2","1","7","1","3","2","1") = "6"
    & skf21("3","2","1","7","1","3","3","1") = "6"
    & skf21("3","2","1","7","1","3","4","1") = "6"
    & skf21("3","2","1","7","1","3","5","1") = "6"
    & skf21("3","2","1","7","1","3","6","1") = "6"
    & skf21("3","2","1","7","1","3","7","1") = "6"
    & skf21("3","2","1","7","1","4","1","1") = "6"
    & skf21("3","2","1","7","1","4","2","1") = "6"
    & skf21("3","2","1","7","1","4","3","1") = "6"
    & skf21("3","2","1","7","1","4","4","1") = "6"
    & skf21("3","2","1","7","1","4","5","1") = "6"
    & skf21("3","2","1","7","1","4","6","1") = "6"
    & skf21("3","2","1","7","1","4","7","1") = "6"
    & skf21("3","2","1","7","1","5","1","1") = "6"
    & skf21("3","2","1","7","1","5","2","1") = "6"
    & skf21("3","2","1","7","1","5","3","1") = "6"
    & skf21("3","2","1","7","1","5","4","1") = "6"
    & skf21("3","2","1","7","1","5","5","1") = "6"
    & skf21("3","2","1","7","1","5","6","1") = "6"
    & skf21("3","2","1","7","1","5","7","1") = "6"
    & skf21("3","2","1","7","1","6","1","1") = "6"
    & skf21("3","2","1","7","1","6","2","1") = "6"
    & skf21("3","2","1","7","1","6","3","1") = "6"
    & skf21("3","2","1","7","1","6","4","1") = "6"
    & skf21("3","2","1","7","1","6","5","1") = "6"
    & skf21("3","2","1","7","1","6","6","1") = "6"
    & skf21("3","2","1","7","1","6","7","1") = "6"
    & skf21("3","2","1","7","1","7","1","1") = "6"
    & skf21("3","2","1","7","1","7","2","1") = "6"
    & skf21("3","2","1","7","1","7","3","1") = "6"
    & skf21("3","2","1","7","1","7","4","1") = "6"
    & skf21("3","2","1","7","1","7","5","1") = "6"
    & skf21("3","2","1","7","1","7","6","1") = "6"
    & skf21("3","2","1","7","1","7","7","1") = "6"
    & skf21("3","2","1","7","2","1","1","1") = "6"
    & skf21("3","2","1","7","2","1","2","1") = "6"
    & skf21("3","2","1","7","2","1","3","1") = "6"
    & skf21("3","2","1","7","2","1","4","1") = "6"
    & skf21("3","2","1","7","2","1","5","1") = "6"
    & skf21("3","2","1","7","2","1","6","1") = "6"
    & skf21("3","2","1","7","2","1","7","1") = "6"
    & skf21("3","2","1","7","2","2","1","1") = "6"
    & skf21("3","2","1","7","2","2","2","1") = "6"
    & skf21("3","2","1","7","2","2","3","1") = "6"
    & skf21("3","2","1","7","2","2","4","1") = "6"
    & skf21("3","2","1","7","2","2","5","1") = "6"
    & skf21("3","2","1","7","2","2","6","1") = "6"
    & skf21("3","2","1","7","2","2","7","1") = "6"
    & skf21("3","2","1","7","2","3","1","1") = "6"
    & skf21("3","2","1","7","2","3","2","1") = "6"
    & skf21("3","2","1","7","2","3","3","1") = "6"
    & skf21("3","2","1","7","2","3","4","1") = "6"
    & skf21("3","2","1","7","2","3","5","1") = "6"
    & skf21("3","2","1","7","2","3","6","1") = "6"
    & skf21("3","2","1","7","2","3","7","1") = "6"
    & skf21("3","2","1","7","2","4","1","1") = "6"
    & skf21("3","2","1","7","2","4","2","1") = "6"
    & skf21("3","2","1","7","2","4","3","1") = "6"
    & skf21("3","2","1","7","2","4","4","1") = "6"
    & skf21("3","2","1","7","2","4","5","1") = "6"
    & skf21("3","2","1","7","2","4","6","1") = "6"
    & skf21("3","2","1","7","2","4","7","1") = "6"
    & skf21("3","2","1","7","2","5","1","1") = "6"
    & skf21("3","2","1","7","2","5","2","1") = "6"
    & skf21("3","2","1","7","2","5","3","1") = "6"
    & skf21("3","2","1","7","2","5","4","1") = "6"
    & skf21("3","2","1","7","2","5","5","1") = "6"
    & skf21("3","2","1","7","2","5","6","1") = "6"
    & skf21("3","2","1","7","2","5","7","1") = "6"
    & skf21("3","2","1","7","2","6","1","1") = "6"
    & skf21("3","2","1","7","2","6","2","1") = "6"
    & skf21("3","2","1","7","2","6","3","1") = "6"
    & skf21("3","2","1","7","2","6","4","1") = "6"
    & skf21("3","2","1","7","2","6","5","1") = "6"
    & skf21("3","2","1","7","2","6","6","1") = "6"
    & skf21("3","2","1","7","2","6","7","1") = "6"
    & skf21("3","2","1","7","2","7","1","1") = "6"
    & skf21("3","2","1","7","2","7","2","1") = "6"
    & skf21("3","2","1","7","2","7","3","1") = "6"
    & skf21("3","2","1","7","2","7","4","1") = "6"
    & skf21("3","2","1","7","2","7","5","1") = "6"
    & skf21("3","2","1","7","2","7","6","1") = "6"
    & skf21("3","2","1","7","2","7","7","1") = "6"
    & skf21("3","2","1","7","3","1","1","1") = "6"
    & skf21("3","2","1","7","3","1","2","1") = "6"
    & skf21("3","2","1","7","3","1","3","1") = "6"
    & skf21("3","2","1","7","3","1","4","1") = "6"
    & skf21("3","2","1","7","3","1","5","1") = "6"
    & skf21("3","2","1","7","3","1","6","1") = "6"
    & skf21("3","2","1","7","3","1","7","1") = "6"
    & skf21("3","2","1","7","3","2","1","1") = "6"
    & skf21("3","2","1","7","3","2","2","1") = "6"
    & skf21("3","2","1","7","3","2","3","1") = "6"
    & skf21("3","2","1","7","3","2","4","1") = "6"
    & skf21("3","2","1","7","3","2","5","1") = "6"
    & skf21("3","2","1","7","3","2","6","1") = "6"
    & skf21("3","2","1","7","3","2","7","1") = "6"
    & skf21("3","2","1","7","3","3","1","1") = "6"
    & skf21("3","2","1","7","3","3","2","1") = "6"
    & skf21("3","2","1","7","3","3","3","1") = "6"
    & skf21("3","2","1","7","3","3","4","1") = "6"
    & skf21("3","2","1","7","3","3","5","1") = "6"
    & skf21("3","2","1","7","3","3","6","1") = "6"
    & skf21("3","2","1","7","3","3","7","1") = "6"
    & skf21("3","2","1","7","3","4","1","1") = "6"
    & skf21("3","2","1","7","3","4","2","1") = "6"
    & skf21("3","2","1","7","3","4","3","1") = "6"
    & skf21("3","2","1","7","3","4","4","1") = "6"
    & skf21("3","2","1","7","3","4","5","1") = "6"
    & skf21("3","2","1","7","3","4","6","1") = "6"
    & skf21("3","2","1","7","3","4","7","1") = "6"
    & skf21("3","2","1","7","3","5","1","1") = "6"
    & skf21("3","2","1","7","3","5","2","1") = "6"
    & skf21("3","2","1","7","3","5","3","1") = "6"
    & skf21("3","2","1","7","3","5","4","1") = "6"
    & skf21("3","2","1","7","3","5","5","1") = "6"
    & skf21("3","2","1","7","3","5","6","1") = "6"
    & skf21("3","2","1","7","3","5","7","1") = "6"
    & skf21("3","2","1","7","3","6","1","1") = "6"
    & skf21("3","2","1","7","3","6","2","1") = "6"
    & skf21("3","2","1","7","3","6","3","1") = "6"
    & skf21("3","2","1","7","3","6","4","1") = "6"
    & skf21("3","2","1","7","3","6","5","1") = "6"
    & skf21("3","2","1","7","3","6","6","1") = "6"
    & skf21("3","2","1","7","3","6","7","1") = "6"
    & skf21("3","2","1","7","3","7","1","1") = "6"
    & skf21("3","2","1","7","3","7","2","1") = "6"
    & skf21("3","2","1","7","3","7","3","1") = "6"
    & skf21("3","2","1","7","3","7","4","1") = "6"
    & skf21("3","2","1","7","3","7","5","1") = "6"
    & skf21("3","2","1","7","3","7","6","1") = "6"
    & skf21("3","2","1","7","3","7","7","1") = "6"
    & skf21("3","2","1","7","4","1","1","1") = "6"
    & skf21("3","2","1","7","4","1","2","1") = "6"
    & skf21("3","2","1","7","4","1","3","1") = "6"
    & skf21("3","2","1","7","4","1","4","1") = "6"
    & skf21("3","2","1","7","4","1","5","1") = "6"
    & skf21("3","2","1","7","4","1","6","1") = "6"
    & skf21("3","2","1","7","4","1","7","1") = "6"
    & skf21("3","2","1","7","4","2","1","1") = "6"
    & skf21("3","2","1","7","4","2","2","1") = "6"
    & skf21("3","2","1","7","4","2","3","1") = "6"
    & skf21("3","2","1","7","4","2","4","1") = "6"
    & skf21("3","2","1","7","4","2","5","1") = "6"
    & skf21("3","2","1","7","4","2","6","1") = "6"
    & skf21("3","2","1","7","4","2","7","1") = "6"
    & skf21("3","2","1","7","4","3","1","1") = "6"
    & skf21("3","2","1","7","4","3","2","1") = "6"
    & skf21("3","2","1","7","4","3","3","1") = "6"
    & skf21("3","2","1","7","4","3","4","1") = "6"
    & skf21("3","2","1","7","4","3","5","1") = "6"
    & skf21("3","2","1","7","4","3","6","1") = "6"
    & skf21("3","2","1","7","4","3","7","1") = "6"
    & skf21("3","2","1","7","4","4","1","1") = "6"
    & skf21("3","2","1","7","4","4","2","1") = "6"
    & skf21("3","2","1","7","4","4","3","1") = "6"
    & skf21("3","2","1","7","4","4","4","1") = "6"
    & skf21("3","2","1","7","4","4","5","1") = "6"
    & skf21("3","2","1","7","4","4","6","1") = "6"
    & skf21("3","2","1","7","4","4","7","1") = "6"
    & skf21("3","2","1","7","4","5","1","1") = "6"
    & skf21("3","2","1","7","4","5","2","1") = "6"
    & skf21("3","2","1","7","4","5","3","1") = "6"
    & skf21("3","2","1","7","4","5","4","1") = "6"
    & skf21("3","2","1","7","4","5","5","1") = "6"
    & skf21("3","2","1","7","4","5","6","1") = "6"
    & skf21("3","2","1","7","4","5","7","1") = "6"
    & skf21("3","2","1","7","4","6","1","1") = "6"
    & skf21("3","2","1","7","4","6","2","1") = "6"
    & skf21("3","2","1","7","4","6","3","1") = "6"
    & skf21("3","2","1","7","4","6","4","1") = "6"
    & skf21("3","2","1","7","4","6","5","1") = "6"
    & skf21("3","2","1","7","4","6","6","1") = "6"
    & skf21("3","2","1","7","4","6","7","1") = "6"
    & skf21("3","2","1","7","4","7","1","1") = "6"
    & skf21("3","2","1","7","4","7","2","1") = "6"
    & skf21("3","2","1","7","4","7","3","1") = "6"
    & skf21("3","2","1","7","4","7","4","1") = "6"
    & skf21("3","2","1","7","4","7","5","1") = "6"
    & skf21("3","2","1","7","4","7","6","1") = "6"
    & skf21("3","2","1","7","4","7","7","1") = "6"
    & skf21("3","2","1","7","5","1","1","1") = "6"
    & skf21("3","2","1","7","5","1","2","1") = "6"
    & skf21("3","2","1","7","5","1","3","1") = "6"
    & skf21("3","2","1","7","5","1","4","1") = "6"
    & skf21("3","2","1","7","5","1","5","1") = "6"
    & skf21("3","2","1","7","5","1","6","1") = "6"
    & skf21("3","2","1","7","5","1","7","1") = "6"
    & skf21("3","2","1","7","5","2","1","1") = "6"
    & skf21("3","2","1","7","5","2","2","1") = "6"
    & skf21("3","2","1","7","5","2","3","1") = "6"
    & skf21("3","2","1","7","5","2","4","1") = "6"
    & skf21("3","2","1","7","5","2","5","1") = "6"
    & skf21("3","2","1","7","5","2","6","1") = "6"
    & skf21("3","2","1","7","5","2","7","1") = "6"
    & skf21("3","2","1","7","5","3","1","1") = "6"
    & skf21("3","2","1","7","5","3","2","1") = "6"
    & skf21("3","2","1","7","5","3","3","1") = "6"
    & skf21("3","2","1","7","5","3","4","1") = "6"
    & skf21("3","2","1","7","5","3","5","1") = "6"
    & skf21("3","2","1","7","5","3","6","1") = "6"
    & skf21("3","2","1","7","5","3","7","1") = "6"
    & skf21("3","2","1","7","5","4","1","1") = "6"
    & skf21("3","2","1","7","5","4","2","1") = "6"
    & skf21("3","2","1","7","5","4","3","1") = "6"
    & skf21("3","2","1","7","5","4","4","1") = "6"
    & skf21("3","2","1","7","5","4","5","1") = "6"
    & skf21("3","2","1","7","5","4","6","1") = "6"
    & skf21("3","2","1","7","5","4","7","1") = "6"
    & skf21("3","2","1","7","5","5","1","1") = "6"
    & skf21("3","2","1","7","5","5","2","1") = "6"
    & skf21("3","2","1","7","5","5","3","1") = "6"
    & skf21("3","2","1","7","5","5","4","1") = "6"
    & skf21("3","2","1","7","5","5","5","1") = "6"
    & skf21("3","2","1","7","5","5","6","1") = "6"
    & skf21("3","2","1","7","5","5","7","1") = "6"
    & skf21("3","2","1","7","5","6","1","1") = "6"
    & skf21("3","2","1","7","5","6","2","1") = "6"
    & skf21("3","2","1","7","5","6","3","1") = "6"
    & skf21("3","2","1","7","5","6","4","1") = "6"
    & skf21("3","2","1","7","5","6","5","1") = "6"
    & skf21("3","2","1","7","5","6","6","1") = "6"
    & skf21("3","2","1","7","5","6","7","1") = "6"
    & skf21("3","2","1","7","5","7","1","1") = "6"
    & skf21("3","2","1","7","5","7","2","1") = "6"
    & skf21("3","2","1","7","5","7","3","1") = "6"
    & skf21("3","2","1","7","5","7","4","1") = "6"
    & skf21("3","2","1","7","5","7","5","1") = "6"
    & skf21("3","2","1","7","5","7","6","1") = "6"
    & skf21("3","2","1","7","5","7","7","1") = "6"
    & skf21("3","2","1","7","6","1","1","1") = "6"
    & skf21("3","2","1","7","6","1","2","1") = "6"
    & skf21("3","2","1","7","6","1","3","1") = "6"
    & skf21("3","2","1","7","6","1","4","1") = "6"
    & skf21("3","2","1","7","6","1","5","1") = "6"
    & skf21("3","2","1","7","6","1","6","1") = "6"
    & skf21("3","2","1","7","6","1","7","1") = "6"
    & skf21("3","2","1","7","6","2","1","1") = "6"
    & skf21("3","2","1","7","6","2","2","1") = "6"
    & skf21("3","2","1","7","6","2","3","1") = "6"
    & skf21("3","2","1","7","6","2","4","1") = "6"
    & skf21("3","2","1","7","6","2","5","1") = "6"
    & skf21("3","2","1","7","6","2","6","1") = "6"
    & skf21("3","2","1","7","6","2","7","1") = "6"
    & skf21("3","2","1","7","6","3","1","1") = "6"
    & skf21("3","2","1","7","6","3","2","1") = "6"
    & skf21("3","2","1","7","6","3","3","1") = "6"
    & skf21("3","2","1","7","6","3","4","1") = "6"
    & skf21("3","2","1","7","6","3","5","1") = "6"
    & skf21("3","2","1","7","6","3","6","1") = "6"
    & skf21("3","2","1","7","6","3","7","1") = "6"
    & skf21("3","2","1","7","6","4","1","1") = "6"
    & skf21("3","2","1","7","6","4","2","1") = "6"
    & skf21("3","2","1","7","6","4","3","1") = "6"
    & skf21("3","2","1","7","6","4","4","1") = "6"
    & skf21("3","2","1","7","6","4","5","1") = "6"
    & skf21("3","2","1","7","6","4","6","1") = "6"
    & skf21("3","2","1","7","6","4","7","1") = "6"
    & skf21("3","2","1","7","6","5","1","1") = "6"
    & skf21("3","2","1","7","6","5","2","1") = "6"
    & skf21("3","2","1","7","6","5","3","1") = "6"
    & skf21("3","2","1","7","6","5","4","1") = "6"
    & skf21("3","2","1","7","6","5","5","1") = "6"
    & skf21("3","2","1","7","6","5","6","1") = "6"
    & skf21("3","2","1","7","6","5","7","1") = "6"
    & skf21("3","2","1","7","6","6","1","1") = "6"
    & skf21("3","2","1","7","6","6","2","1") = "6"
    & skf21("3","2","1","7","6","6","3","1") = "6"
    & skf21("3","2","1","7","6","6","4","1") = "6"
    & skf21("3","2","1","7","6","6","5","1") = "6"
    & skf21("3","2","1","7","6","6","6","1") = "6"
    & skf21("3","2","1","7","6","6","7","1") = "6"
    & skf21("3","2","1","7","6","7","1","1") = "6"
    & skf21("3","2","1","7","6","7","2","1") = "6"
    & skf21("3","2","1","7","6","7","3","1") = "6"
    & skf21("3","2","1","7","6","7","4","1") = "6"
    & skf21("3","2","1","7","6","7","5","1") = "6"
    & skf21("3","2","1","7","6","7","6","1") = "6"
    & skf21("3","2","1","7","6","7","7","1") = "6"
    & skf21("3","2","1","7","7","1","1","1") = "6"
    & skf21("3","2","1","7","7","1","2","1") = "6"
    & skf21("3","2","1","7","7","1","3","1") = "6"
    & skf21("3","2","1","7","7","1","4","1") = "6"
    & skf21("3","2","1","7","7","1","5","1") = "6"
    & skf21("3","2","1","7","7","1","6","1") = "6"
    & skf21("3","2","1","7","7","1","7","1") = "6"
    & skf21("3","2","1","7","7","2","1","1") = "6"
    & skf21("3","2","1","7","7","2","2","1") = "6"
    & skf21("3","2","1","7","7","2","3","1") = "6"
    & skf21("3","2","1","7","7","2","4","1") = "6"
    & skf21("3","2","1","7","7","2","5","1") = "6"
    & skf21("3","2","1","7","7","2","6","1") = "6"
    & skf21("3","2","1","7","7","2","7","1") = "6"
    & skf21("3","2","1","7","7","3","1","1") = "6"
    & skf21("3","2","1","7","7","3","2","1") = "6"
    & skf21("3","2","1","7","7","3","3","1") = "6"
    & skf21("3","2","1","7","7","3","4","1") = "6"
    & skf21("3","2","1","7","7","3","5","1") = "6"
    & skf21("3","2","1","7","7","3","6","1") = "6"
    & skf21("3","2","1","7","7","3","7","1") = "6"
    & skf21("3","2","1","7","7","4","1","1") = "6"
    & skf21("3","2","1","7","7","4","2","1") = "6"
    & skf21("3","2","1","7","7","4","3","1") = "6"
    & skf21("3","2","1","7","7","4","4","1") = "6"
    & skf21("3","2","1","7","7","4","5","1") = "6"
    & skf21("3","2","1","7","7","4","6","1") = "6"
    & skf21("3","2","1","7","7","4","7","1") = "6"
    & skf21("3","2","1","7","7","5","1","1") = "6"
    & skf21("3","2","1","7","7","5","2","1") = "6"
    & skf21("3","2","1","7","7","5","3","1") = "6"
    & skf21("3","2","1","7","7","5","4","1") = "6"
    & skf21("3","2","1","7","7","5","5","1") = "6"
    & skf21("3","2","1","7","7","5","6","1") = "6"
    & skf21("3","2","1","7","7","5","7","1") = "6"
    & skf21("3","2","1","7","7","6","1","1") = "6"
    & skf21("3","2","1","7","7","6","2","1") = "6"
    & skf21("3","2","1","7","7","6","3","1") = "6"
    & skf21("3","2","1","7","7","6","4","1") = "6"
    & skf21("3","2","1","7","7","6","5","1") = "6"
    & skf21("3","2","1","7","7","6","6","1") = "6"
    & skf21("3","2","1","7","7","6","7","1") = "6"
    & skf21("3","2","1","7","7","7","1","1") = "6"
    & skf21("3","2","1","7","7","7","2","1") = "6"
    & skf21("3","2","1","7","7","7","3","1") = "6"
    & skf21("3","2","1","7","7","7","4","1") = "6"
    & skf21("3","2","1","7","7","7","5","1") = "6"
    & skf21("3","2","1","7","7","7","6","1") = "6"
    & skf21("3","2","1","7","7","7","7","1") = "6"
    & skf21("3","2","2","1","1","1","1","1") = "2"
    & skf21("3","2","2","1","1","1","2","1") = "2"
    & skf21("3","2","2","1","1","1","3","1") = "2"
    & skf21("3","2","2","1","1","1","4","1") = "3"
    & skf21("3","2","2","1","1","1","5","1") = "4"
    & skf21("3","2","2","1","1","1","6","1") = "5"
    & skf21("3","2","2","1","1","1","7","1") = "6"
    & skf21("3","2","2","1","1","2","1","1") = "2"
    & skf21("3","2","2","1","1","2","2","1") = "2"
    & skf21("3","2","2","1","1","2","3","1") = "2"
    & skf21("3","2","2","1","1","2","4","1") = "3"
    & skf21("3","2","2","1","1","2","5","1") = "4"
    & skf21("3","2","2","1","1","2","6","1") = "5"
    & skf21("3","2","2","1","1","2","7","1") = "6"
    & skf21("3","2","2","1","1","3","1","1") = "2"
    & skf21("3","2","2","1","1","3","2","1") = "2"
    & skf21("3","2","2","1","1","3","3","1") = "2"
    & skf21("3","2","2","1","1","3","4","1") = "3"
    & skf21("3","2","2","1","1","3","5","1") = "4"
    & skf21("3","2","2","1","1","3","6","1") = "5"
    & skf21("3","2","2","1","1","3","7","1") = "6"
    & skf21("3","2","2","1","1","4","1","1") = "3"
    & skf21("3","2","2","1","1","4","2","1") = "3"
    & skf21("3","2","2","1","1","4","3","1") = "3"
    & skf21("3","2","2","1","1","4","4","1") = "3"
    & skf21("3","2","2","1","1","4","5","1") = "4"
    & skf21("3","2","2","1","1","4","6","1") = "5"
    & skf21("3","2","2","1","1","4","7","1") = "6"
    & skf21("3","2","2","1","1","5","1","1") = "4"
    & skf21("3","2","2","1","1","5","2","1") = "4"
    & skf21("3","2","2","1","1","5","3","1") = "4"
    & skf21("3","2","2","1","1","5","4","1") = "4"
    & skf21("3","2","2","1","1","5","5","1") = "4"
    & skf21("3","2","2","1","1","5","6","1") = "5"
    & skf21("3","2","2","1","1","5","7","1") = "6"
    & skf21("3","2","2","1","1","6","1","1") = "5"
    & skf21("3","2","2","1","1","6","2","1") = "5"
    & skf21("3","2","2","1","1","6","3","1") = "5"
    & skf21("3","2","2","1","1","6","4","1") = "5"
    & skf21("3","2","2","1","1","6","5","1") = "5"
    & skf21("3","2","2","1","1","6","6","1") = "5"
    & skf21("3","2","2","1","1","6","7","1") = "6"
    & skf21("3","2","2","1","1","7","1","1") = "6"
    & skf21("3","2","2","1","1","7","2","1") = "6"
    & skf21("3","2","2","1","1","7","3","1") = "6"
    & skf21("3","2","2","1","1","7","4","1") = "6"
    & skf21("3","2","2","1","1","7","5","1") = "6"
    & skf21("3","2","2","1","1","7","6","1") = "6"
    & skf21("3","2","2","1","1","7","7","1") = "6"
    & skf21("3","2","2","1","2","1","1","1") = "2"
    & skf21("3","2","2","1","2","1","2","1") = "2"
    & skf21("3","2","2","1","2","1","3","1") = "2"
    & skf21("3","2","2","1","2","1","4","1") = "3"
    & skf21("3","2","2","1","2","1","5","1") = "4"
    & skf21("3","2","2","1","2","1","6","1") = "5"
    & skf21("3","2","2","1","2","1","7","1") = "6"
    & skf21("3","2","2","1","2","2","1","1") = "2"
    & skf21("3","2","2","1","2","2","2","1") = "2"
    & skf21("3","2","2","1","2","2","3","1") = "2"
    & skf21("3","2","2","1","2","2","4","1") = "3"
    & skf21("3","2","2","1","2","2","5","1") = "4"
    & skf21("3","2","2","1","2","2","6","1") = "5"
    & skf21("3","2","2","1","2","2","7","1") = "6"
    & skf21("3","2","2","1","2","3","1","1") = "2"
    & skf21("3","2","2","1","2","3","2","1") = "2"
    & skf21("3","2","2","1","2","3","3","1") = "2"
    & skf21("3","2","2","1","2","3","4","1") = "3"
    & skf21("3","2","2","1","2","3","5","1") = "4"
    & skf21("3","2","2","1","2","3","6","1") = "5"
    & skf21("3","2","2","1","2","3","7","1") = "6"
    & skf21("3","2","2","1","2","4","1","1") = "3"
    & skf21("3","2","2","1","2","4","2","1") = "3"
    & skf21("3","2","2","1","2","4","3","1") = "3"
    & skf21("3","2","2","1","2","4","4","1") = "3"
    & skf21("3","2","2","1","2","4","5","1") = "4"
    & skf21("3","2","2","1","2","4","6","1") = "5"
    & skf21("3","2","2","1","2","4","7","1") = "6"
    & skf21("3","2","2","1","2","5","1","1") = "4"
    & skf21("3","2","2","1","2","5","2","1") = "4"
    & skf21("3","2","2","1","2","5","3","1") = "4"
    & skf21("3","2","2","1","2","5","4","1") = "4"
    & skf21("3","2","2","1","2","5","5","1") = "4"
    & skf21("3","2","2","1","2","5","6","1") = "5"
    & skf21("3","2","2","1","2","5","7","1") = "6"
    & skf21("3","2","2","1","2","6","1","1") = "5"
    & skf21("3","2","2","1","2","6","2","1") = "5"
    & skf21("3","2","2","1","2","6","3","1") = "5"
    & skf21("3","2","2","1","2","6","4","1") = "5"
    & skf21("3","2","2","1","2","6","5","1") = "5"
    & skf21("3","2","2","1","2","6","6","1") = "5"
    & skf21("3","2","2","1","2","6","7","1") = "6"
    & skf21("3","2","2","1","2","7","1","1") = "6"
    & skf21("3","2","2","1","2","7","2","1") = "6"
    & skf21("3","2","2","1","2","7","3","1") = "6"
    & skf21("3","2","2","1","2","7","4","1") = "6"
    & skf21("3","2","2","1","2","7","5","1") = "6"
    & skf21("3","2","2","1","2","7","6","1") = "6"
    & skf21("3","2","2","1","2","7","7","1") = "6"
    & skf21("3","2","2","1","3","1","1","1") = "2"
    & skf21("3","2","2","1","3","1","2","1") = "2"
    & skf21("3","2","2","1","3","1","3","1") = "2"
    & skf21("3","2","2","1","3","1","4","1") = "3"
    & skf21("3","2","2","1","3","1","5","1") = "4"
    & skf21("3","2","2","1","3","1","6","1") = "5"
    & skf21("3","2","2","1","3","1","7","1") = "6"
    & skf21("3","2","2","1","3","2","1","1") = "2"
    & skf21("3","2","2","1","3","2","2","1") = "2"
    & skf21("3","2","2","1","3","2","3","1") = "2"
    & skf21("3","2","2","1","3","2","4","1") = "3"
    & skf21("3","2","2","1","3","2","5","1") = "4"
    & skf21("3","2","2","1","3","2","6","1") = "5"
    & skf21("3","2","2","1","3","2","7","1") = "6"
    & skf21("3","2","2","1","3","3","1","1") = "2"
    & skf21("3","2","2","1","3","3","2","1") = "2"
    & skf21("3","2","2","1","3","3","3","1") = "2"
    & skf21("3","2","2","1","3","3","4","1") = "3"
    & skf21("3","2","2","1","3","3","5","1") = "4"
    & skf21("3","2","2","1","3","3","6","1") = "5"
    & skf21("3","2","2","1","3","3","7","1") = "6"
    & skf21("3","2","2","1","3","4","1","1") = "3"
    & skf21("3","2","2","1","3","4","2","1") = "3"
    & skf21("3","2","2","1","3","4","3","1") = "3"
    & skf21("3","2","2","1","3","4","4","1") = "3"
    & skf21("3","2","2","1","3","4","5","1") = "4"
    & skf21("3","2","2","1","3","4","6","1") = "5"
    & skf21("3","2","2","1","3","4","7","1") = "6"
    & skf21("3","2","2","1","3","5","1","1") = "4"
    & skf21("3","2","2","1","3","5","2","1") = "4"
    & skf21("3","2","2","1","3","5","3","1") = "4"
    & skf21("3","2","2","1","3","5","4","1") = "4"
    & skf21("3","2","2","1","3","5","5","1") = "4"
    & skf21("3","2","2","1","3","5","6","1") = "5"
    & skf21("3","2","2","1","3","5","7","1") = "6"
    & skf21("3","2","2","1","3","6","1","1") = "5"
    & skf21("3","2","2","1","3","6","2","1") = "5"
    & skf21("3","2","2","1","3","6","3","1") = "5"
    & skf21("3","2","2","1","3","6","4","1") = "5"
    & skf21("3","2","2","1","3","6","5","1") = "5"
    & skf21("3","2","2","1","3","6","6","1") = "5"
    & skf21("3","2","2","1","3","6","7","1") = "6"
    & skf21("3","2","2","1","3","7","1","1") = "6"
    & skf21("3","2","2","1","3","7","2","1") = "6"
    & skf21("3","2","2","1","3","7","3","1") = "6"
    & skf21("3","2","2","1","3","7","4","1") = "6"
    & skf21("3","2","2","1","3","7","5","1") = "6"
    & skf21("3","2","2","1","3","7","6","1") = "6"
    & skf21("3","2","2","1","3","7","7","1") = "6"
    & skf21("3","2","2","1","4","1","1","1") = "3"
    & skf21("3","2","2","1","4","1","2","1") = "3"
    & skf21("3","2","2","1","4","1","3","1") = "3"
    & skf21("3","2","2","1","4","1","4","1") = "3"
    & skf21("3","2","2","1","4","1","5","1") = "4"
    & skf21("3","2","2","1","4","1","6","1") = "5"
    & skf21("3","2","2","1","4","1","7","1") = "6"
    & skf21("3","2","2","1","4","2","1","1") = "3"
    & skf21("3","2","2","1","4","2","2","1") = "3"
    & skf21("3","2","2","1","4","2","3","1") = "3"
    & skf21("3","2","2","1","4","2","4","1") = "3"
    & skf21("3","2","2","1","4","2","5","1") = "4"
    & skf21("3","2","2","1","4","2","6","1") = "5"
    & skf21("3","2","2","1","4","2","7","1") = "6"
    & skf21("3","2","2","1","4","3","1","1") = "3"
    & skf21("3","2","2","1","4","3","2","1") = "3"
    & skf21("3","2","2","1","4","3","3","1") = "3"
    & skf21("3","2","2","1","4","3","4","1") = "3"
    & skf21("3","2","2","1","4","3","5","1") = "4"
    & skf21("3","2","2","1","4","3","6","1") = "5"
    & skf21("3","2","2","1","4","3","7","1") = "6"
    & skf21("3","2","2","1","4","4","1","1") = "3"
    & skf21("3","2","2","1","4","4","2","1") = "3"
    & skf21("3","2","2","1","4","4","3","1") = "3"
    & skf21("3","2","2","1","4","4","4","1") = "3"
    & skf21("3","2","2","1","4","4","5","1") = "4"
    & skf21("3","2","2","1","4","4","6","1") = "5"
    & skf21("3","2","2","1","4","4","7","1") = "6"
    & skf21("3","2","2","1","4","5","1","1") = "4"
    & skf21("3","2","2","1","4","5","2","1") = "4"
    & skf21("3","2","2","1","4","5","3","1") = "4"
    & skf21("3","2","2","1","4","5","4","1") = "4"
    & skf21("3","2","2","1","4","5","5","1") = "4"
    & skf21("3","2","2","1","4","5","6","1") = "5"
    & skf21("3","2","2","1","4","5","7","1") = "6"
    & skf21("3","2","2","1","4","6","1","1") = "5"
    & skf21("3","2","2","1","4","6","2","1") = "5"
    & skf21("3","2","2","1","4","6","3","1") = "5"
    & skf21("3","2","2","1","4","6","4","1") = "5"
    & skf21("3","2","2","1","4","6","5","1") = "5"
    & skf21("3","2","2","1","4","6","6","1") = "5"
    & skf21("3","2","2","1","4","6","7","1") = "6"
    & skf21("3","2","2","1","4","7","1","1") = "6"
    & skf21("3","2","2","1","4","7","2","1") = "6"
    & skf21("3","2","2","1","4","7","3","1") = "6"
    & skf21("3","2","2","1","4","7","4","1") = "6"
    & skf21("3","2","2","1","4","7","5","1") = "6"
    & skf21("3","2","2","1","4","7","6","1") = "6"
    & skf21("3","2","2","1","4","7","7","1") = "6"
    & skf21("3","2","2","1","5","1","1","1") = "4"
    & skf21("3","2","2","1","5","1","2","1") = "4"
    & skf21("3","2","2","1","5","1","3","1") = "4"
    & skf21("3","2","2","1","5","1","4","1") = "4"
    & skf21("3","2","2","1","5","1","5","1") = "4"
    & skf21("3","2","2","1","5","1","6","1") = "5"
    & skf21("3","2","2","1","5","1","7","1") = "6"
    & skf21("3","2","2","1","5","2","1","1") = "4"
    & skf21("3","2","2","1","5","2","2","1") = "4"
    & skf21("3","2","2","1","5","2","3","1") = "4"
    & skf21("3","2","2","1","5","2","4","1") = "4"
    & skf21("3","2","2","1","5","2","5","1") = "4"
    & skf21("3","2","2","1","5","2","6","1") = "5"
    & skf21("3","2","2","1","5","2","7","1") = "6"
    & skf21("3","2","2","1","5","3","1","1") = "4"
    & skf21("3","2","2","1","5","3","2","1") = "4"
    & skf21("3","2","2","1","5","3","3","1") = "4"
    & skf21("3","2","2","1","5","3","4","1") = "4"
    & skf21("3","2","2","1","5","3","5","1") = "4"
    & skf21("3","2","2","1","5","3","6","1") = "5"
    & skf21("3","2","2","1","5","3","7","1") = "6"
    & skf21("3","2","2","1","5","4","1","1") = "4"
    & skf21("3","2","2","1","5","4","2","1") = "4"
    & skf21("3","2","2","1","5","4","3","1") = "4"
    & skf21("3","2","2","1","5","4","4","1") = "4"
    & skf21("3","2","2","1","5","4","5","1") = "4"
    & skf21("3","2","2","1","5","4","6","1") = "5"
    & skf21("3","2","2","1","5","4","7","1") = "6"
    & skf21("3","2","2","1","5","5","1","1") = "4"
    & skf21("3","2","2","1","5","5","2","1") = "4"
    & skf21("3","2","2","1","5","5","3","1") = "4"
    & skf21("3","2","2","1","5","5","4","1") = "4"
    & skf21("3","2","2","1","5","5","5","1") = "4"
    & skf21("3","2","2","1","5","5","6","1") = "5"
    & skf21("3","2","2","1","5","5","7","1") = "6"
    & skf21("3","2","2","1","5","6","1","1") = "5"
    & skf21("3","2","2","1","5","6","2","1") = "5"
    & skf21("3","2","2","1","5","6","3","1") = "5"
    & skf21("3","2","2","1","5","6","4","1") = "5"
    & skf21("3","2","2","1","5","6","5","1") = "5"
    & skf21("3","2","2","1","5","6","6","1") = "5"
    & skf21("3","2","2","1","5","6","7","1") = "6"
    & skf21("3","2","2","1","5","7","1","1") = "6"
    & skf21("3","2","2","1","5","7","2","1") = "6"
    & skf21("3","2","2","1","5","7","3","1") = "6"
    & skf21("3","2","2","1","5","7","4","1") = "6"
    & skf21("3","2","2","1","5","7","5","1") = "6"
    & skf21("3","2","2","1","5","7","6","1") = "6"
    & skf21("3","2","2","1","5","7","7","1") = "6"
    & skf21("3","2","2","1","6","1","1","1") = "5"
    & skf21("3","2","2","1","6","1","2","1") = "5"
    & skf21("3","2","2","1","6","1","3","1") = "5"
    & skf21("3","2","2","1","6","1","4","1") = "5"
    & skf21("3","2","2","1","6","1","5","1") = "5"
    & skf21("3","2","2","1","6","1","6","1") = "5"
    & skf21("3","2","2","1","6","1","7","1") = "6"
    & skf21("3","2","2","1","6","2","1","1") = "5"
    & skf21("3","2","2","1","6","2","2","1") = "5"
    & skf21("3","2","2","1","6","2","3","1") = "5"
    & skf21("3","2","2","1","6","2","4","1") = "5"
    & skf21("3","2","2","1","6","2","5","1") = "5"
    & skf21("3","2","2","1","6","2","6","1") = "5"
    & skf21("3","2","2","1","6","2","7","1") = "6"
    & skf21("3","2","2","1","6","3","1","1") = "5"
    & skf21("3","2","2","1","6","3","2","1") = "5"
    & skf21("3","2","2","1","6","3","3","1") = "5"
    & skf21("3","2","2","1","6","3","4","1") = "5"
    & skf21("3","2","2","1","6","3","5","1") = "5"
    & skf21("3","2","2","1","6","3","6","1") = "5"
    & skf21("3","2","2","1","6","3","7","1") = "6"
    & skf21("3","2","2","1","6","4","1","1") = "5"
    & skf21("3","2","2","1","6","4","2","1") = "5"
    & skf21("3","2","2","1","6","4","3","1") = "5"
    & skf21("3","2","2","1","6","4","4","1") = "5"
    & skf21("3","2","2","1","6","4","5","1") = "5"
    & skf21("3","2","2","1","6","4","6","1") = "5"
    & skf21("3","2","2","1","6","4","7","1") = "6"
    & skf21("3","2","2","1","6","5","1","1") = "5"
    & skf21("3","2","2","1","6","5","2","1") = "5"
    & skf21("3","2","2","1","6","5","3","1") = "5"
    & skf21("3","2","2","1","6","5","4","1") = "5"
    & skf21("3","2","2","1","6","5","5","1") = "5"
    & skf21("3","2","2","1","6","5","6","1") = "5"
    & skf21("3","2","2","1","6","5","7","1") = "6"
    & skf21("3","2","2","1","6","6","1","1") = "5"
    & skf21("3","2","2","1","6","6","2","1") = "5"
    & skf21("3","2","2","1","6","6","3","1") = "5"
    & skf21("3","2","2","1","6","6","4","1") = "5"
    & skf21("3","2","2","1","6","6","5","1") = "5"
    & skf21("3","2","2","1","6","6","6","1") = "5"
    & skf21("3","2","2","1","6","6","7","1") = "6"
    & skf21("3","2","2","1","6","7","1","1") = "6"
    & skf21("3","2","2","1","6","7","2","1") = "6"
    & skf21("3","2","2","1","6","7","3","1") = "6"
    & skf21("3","2","2","1","6","7","4","1") = "6"
    & skf21("3","2","2","1","6","7","5","1") = "6"
    & skf21("3","2","2","1","6","7","6","1") = "6"
    & skf21("3","2","2","1","6","7","7","1") = "6"
    & skf21("3","2","2","1","7","1","1","1") = "6"
    & skf21("3","2","2","1","7","1","2","1") = "6"
    & skf21("3","2","2","1","7","1","3","1") = "6"
    & skf21("3","2","2","1","7","1","4","1") = "6"
    & skf21("3","2","2","1","7","1","5","1") = "6"
    & skf21("3","2","2","1","7","1","6","1") = "6"
    & skf21("3","2","2","1","7","1","7","1") = "6"
    & skf21("3","2","2","1","7","2","1","1") = "6"
    & skf21("3","2","2","1","7","2","2","1") = "6"
    & skf21("3","2","2","1","7","2","3","1") = "6"
    & skf21("3","2","2","1","7","2","4","1") = "6"
    & skf21("3","2","2","1","7","2","5","1") = "6"
    & skf21("3","2","2","1","7","2","6","1") = "6"
    & skf21("3","2","2","1","7","2","7","1") = "6"
    & skf21("3","2","2","1","7","3","1","1") = "6"
    & skf21("3","2","2","1","7","3","2","1") = "6"
    & skf21("3","2","2","1","7","3","3","1") = "6"
    & skf21("3","2","2","1","7","3","4","1") = "6"
    & skf21("3","2","2","1","7","3","5","1") = "6"
    & skf21("3","2","2","1","7","3","6","1") = "6"
    & skf21("3","2","2","1","7","3","7","1") = "6"
    & skf21("3","2","2","1","7","4","1","1") = "6"
    & skf21("3","2","2","1","7","4","2","1") = "6"
    & skf21("3","2","2","1","7","4","3","1") = "6"
    & skf21("3","2","2","1","7","4","4","1") = "6"
    & skf21("3","2","2","1","7","4","5","1") = "6"
    & skf21("3","2","2","1","7","4","6","1") = "6"
    & skf21("3","2","2","1","7","4","7","1") = "6"
    & skf21("3","2","2","1","7","5","1","1") = "6"
    & skf21("3","2","2","1","7","5","2","1") = "6"
    & skf21("3","2","2","1","7","5","3","1") = "6"
    & skf21("3","2","2","1","7","5","4","1") = "6"
    & skf21("3","2","2","1","7","5","5","1") = "6"
    & skf21("3","2","2","1","7","5","6","1") = "6"
    & skf21("3","2","2","1","7","5","7","1") = "6"
    & skf21("3","2","2","1","7","6","1","1") = "6"
    & skf21("3","2","2","1","7","6","2","1") = "6"
    & skf21("3","2","2","1","7","6","3","1") = "6"
    & skf21("3","2","2","1","7","6","4","1") = "6"
    & skf21("3","2","2","1","7","6","5","1") = "6"
    & skf21("3","2","2","1","7","6","6","1") = "6"
    & skf21("3","2","2","1","7","6","7","1") = "6"
    & skf21("3","2","2","1","7","7","1","1") = "6"
    & skf21("3","2","2","1","7","7","2","1") = "6"
    & skf21("3","2","2","1","7","7","3","1") = "6"
    & skf21("3","2","2","1","7","7","4","1") = "6"
    & skf21("3","2","2","1","7","7","5","1") = "6"
    & skf21("3","2","2","1","7","7","6","1") = "6"
    & skf21("3","2","2","1","7","7","7","1") = "6"
    & skf21("3","2","2","2","1","1","1","1") = "2"
    & skf21("3","2","2","2","1","1","2","1") = "2"
    & skf21("3","2","2","2","1","1","3","1") = "2"
    & skf21("3","2","2","2","1","1","4","1") = "3"
    & skf21("3","2","2","2","1","1","5","1") = "4"
    & skf21("3","2","2","2","1","1","6","1") = "5"
    & skf21("3","2","2","2","1","1","7","1") = "6"
    & skf21("3","2","2","2","1","2","1","1") = "2"
    & skf21("3","2","2","2","1","2","2","1") = "2"
    & skf21("3","2","2","2","1","2","3","1") = "2"
    & skf21("3","2","2","2","1","2","4","1") = "3"
    & skf21("3","2","2","2","1","2","5","1") = "4"
    & skf21("3","2","2","2","1","2","6","1") = "5"
    & skf21("3","2","2","2","1","2","7","1") = "6"
    & skf21("3","2","2","2","1","3","1","1") = "2"
    & skf21("3","2","2","2","1","3","2","1") = "2"
    & skf21("3","2","2","2","1","3","3","1") = "2"
    & skf21("3","2","2","2","1","3","4","1") = "3"
    & skf21("3","2","2","2","1","3","5","1") = "4"
    & skf21("3","2","2","2","1","3","6","1") = "5"
    & skf21("3","2","2","2","1","3","7","1") = "6"
    & skf21("3","2","2","2","1","4","1","1") = "3"
    & skf21("3","2","2","2","1","4","2","1") = "3"
    & skf21("3","2","2","2","1","4","3","1") = "3"
    & skf21("3","2","2","2","1","4","4","1") = "3"
    & skf21("3","2","2","2","1","4","5","1") = "4"
    & skf21("3","2","2","2","1","4","6","1") = "5"
    & skf21("3","2","2","2","1","4","7","1") = "6"
    & skf21("3","2","2","2","1","5","1","1") = "4"
    & skf21("3","2","2","2","1","5","2","1") = "4"
    & skf21("3","2","2","2","1","5","3","1") = "4"
    & skf21("3","2","2","2","1","5","4","1") = "4"
    & skf21("3","2","2","2","1","5","5","1") = "4"
    & skf21("3","2","2","2","1","5","6","1") = "5"
    & skf21("3","2","2","2","1","5","7","1") = "6"
    & skf21("3","2","2","2","1","6","1","1") = "5"
    & skf21("3","2","2","2","1","6","2","1") = "5"
    & skf21("3","2","2","2","1","6","3","1") = "5"
    & skf21("3","2","2","2","1","6","4","1") = "5"
    & skf21("3","2","2","2","1","6","5","1") = "5"
    & skf21("3","2","2","2","1","6","6","1") = "5"
    & skf21("3","2","2","2","1","6","7","1") = "6"
    & skf21("3","2","2","2","1","7","1","1") = "6"
    & skf21("3","2","2","2","1","7","2","1") = "6"
    & skf21("3","2","2","2","1","7","3","1") = "6"
    & skf21("3","2","2","2","1","7","4","1") = "6"
    & skf21("3","2","2","2","1","7","5","1") = "6"
    & skf21("3","2","2","2","1","7","6","1") = "6"
    & skf21("3","2","2","2","1","7","7","1") = "6"
    & skf21("3","2","2","2","2","1","1","1") = "2"
    & skf21("3","2","2","2","2","1","2","1") = "2"
    & skf21("3","2","2","2","2","1","3","1") = "2"
    & skf21("3","2","2","2","2","1","4","1") = "3"
    & skf21("3","2","2","2","2","1","5","1") = "4"
    & skf21("3","2","2","2","2","1","6","1") = "5"
    & skf21("3","2","2","2","2","1","7","1") = "6"
    & skf21("3","2","2","2","2","2","1","1") = "2"
    & skf21("3","2","2","2","2","2","2","1") = "2"
    & skf21("3","2","2","2","2","2","3","1") = "2"
    & skf21("3","2","2","2","2","2","4","1") = "3"
    & skf21("3","2","2","2","2","2","5","1") = "4"
    & skf21("3","2","2","2","2","2","6","1") = "5"
    & skf21("3","2","2","2","2","2","7","1") = "6"
    & skf21("3","2","2","2","2","3","1","1") = "2"
    & skf21("3","2","2","2","2","3","2","1") = "2"
    & skf21("3","2","2","2","2","3","3","1") = "2"
    & skf21("3","2","2","2","2","3","4","1") = "3"
    & skf21("3","2","2","2","2","3","5","1") = "4"
    & skf21("3","2","2","2","2","3","6","1") = "5"
    & skf21("3","2","2","2","2","3","7","1") = "6"
    & skf21("3","2","2","2","2","4","1","1") = "3"
    & skf21("3","2","2","2","2","4","2","1") = "3"
    & skf21("3","2","2","2","2","4","3","1") = "3"
    & skf21("3","2","2","2","2","4","4","1") = "3"
    & skf21("3","2","2","2","2","4","5","1") = "4"
    & skf21("3","2","2","2","2","4","6","1") = "5"
    & skf21("3","2","2","2","2","4","7","1") = "6"
    & skf21("3","2","2","2","2","5","1","1") = "4"
    & skf21("3","2","2","2","2","5","2","1") = "4"
    & skf21("3","2","2","2","2","5","3","1") = "4"
    & skf21("3","2","2","2","2","5","4","1") = "4"
    & skf21("3","2","2","2","2","5","5","1") = "4"
    & skf21("3","2","2","2","2","5","6","1") = "5"
    & skf21("3","2","2","2","2","5","7","1") = "6"
    & skf21("3","2","2","2","2","6","1","1") = "5"
    & skf21("3","2","2","2","2","6","2","1") = "5"
    & skf21("3","2","2","2","2","6","3","1") = "5"
    & skf21("3","2","2","2","2","6","4","1") = "5"
    & skf21("3","2","2","2","2","6","5","1") = "5"
    & skf21("3","2","2","2","2","6","6","1") = "5"
    & skf21("3","2","2","2","2","6","7","1") = "6"
    & skf21("3","2","2","2","2","7","1","1") = "6"
    & skf21("3","2","2","2","2","7","2","1") = "6"
    & skf21("3","2","2","2","2","7","3","1") = "6"
    & skf21("3","2","2","2","2","7","4","1") = "6"
    & skf21("3","2","2","2","2","7","5","1") = "6"
    & skf21("3","2","2","2","2","7","6","1") = "6"
    & skf21("3","2","2","2","2","7","7","1") = "6"
    & skf21("3","2","2","2","3","1","1","1") = "2"
    & skf21("3","2","2","2","3","1","2","1") = "2"
    & skf21("3","2","2","2","3","1","3","1") = "2"
    & skf21("3","2","2","2","3","1","4","1") = "3"
    & skf21("3","2","2","2","3","1","5","1") = "4"
    & skf21("3","2","2","2","3","1","6","1") = "5"
    & skf21("3","2","2","2","3","1","7","1") = "6"
    & skf21("3","2","2","2","3","2","1","1") = "2"
    & skf21("3","2","2","2","3","2","2","1") = "2"
    & skf21("3","2","2","2","3","2","3","1") = "2"
    & skf21("3","2","2","2","3","2","4","1") = "3"
    & skf21("3","2","2","2","3","2","5","1") = "4"
    & skf21("3","2","2","2","3","2","6","1") = "5"
    & skf21("3","2","2","2","3","2","7","1") = "6"
    & skf21("3","2","2","2","3","3","1","1") = "2"
    & skf21("3","2","2","2","3","3","2","1") = "2"
    & skf21("3","2","2","2","3","3","3","1") = "2"
    & skf21("3","2","2","2","3","3","4","1") = "3"
    & skf21("3","2","2","2","3","3","5","1") = "4"
    & skf21("3","2","2","2","3","3","6","1") = "5"
    & skf21("3","2","2","2","3","3","7","1") = "6"
    & skf21("3","2","2","2","3","4","1","1") = "3"
    & skf21("3","2","2","2","3","4","2","1") = "3"
    & skf21("3","2","2","2","3","4","3","1") = "3"
    & skf21("3","2","2","2","3","4","4","1") = "3"
    & skf21("3","2","2","2","3","4","5","1") = "4"
    & skf21("3","2","2","2","3","4","6","1") = "5"
    & skf21("3","2","2","2","3","4","7","1") = "6"
    & skf21("3","2","2","2","3","5","1","1") = "4"
    & skf21("3","2","2","2","3","5","2","1") = "4"
    & skf21("3","2","2","2","3","5","3","1") = "4"
    & skf21("3","2","2","2","3","5","4","1") = "4"
    & skf21("3","2","2","2","3","5","5","1") = "4"
    & skf21("3","2","2","2","3","5","6","1") = "5"
    & skf21("3","2","2","2","3","5","7","1") = "6"
    & skf21("3","2","2","2","3","6","1","1") = "5"
    & skf21("3","2","2","2","3","6","2","1") = "5"
    & skf21("3","2","2","2","3","6","3","1") = "5"
    & skf21("3","2","2","2","3","6","4","1") = "5"
    & skf21("3","2","2","2","3","6","5","1") = "5"
    & skf21("3","2","2","2","3","6","6","1") = "5"
    & skf21("3","2","2","2","3","6","7","1") = "6"
    & skf21("3","2","2","2","3","7","1","1") = "6"
    & skf21("3","2","2","2","3","7","2","1") = "6"
    & skf21("3","2","2","2","3","7","3","1") = "6"
    & skf21("3","2","2","2","3","7","4","1") = "6"
    & skf21("3","2","2","2","3","7","5","1") = "6"
    & skf21("3","2","2","2","3","7","6","1") = "6"
    & skf21("3","2","2","2","3","7","7","1") = "6"
    & skf21("3","2","2","2","4","1","1","1") = "3"
    & skf21("3","2","2","2","4","1","2","1") = "3"
    & skf21("3","2","2","2","4","1","3","1") = "3"
    & skf21("3","2","2","2","4","1","4","1") = "3"
    & skf21("3","2","2","2","4","1","5","1") = "4"
    & skf21("3","2","2","2","4","1","6","1") = "5"
    & skf21("3","2","2","2","4","1","7","1") = "6"
    & skf21("3","2","2","2","4","2","1","1") = "3"
    & skf21("3","2","2","2","4","2","2","1") = "3"
    & skf21("3","2","2","2","4","2","3","1") = "2"
    & skf21("3","2","2","2","4","2","4","1") = "3"
    & skf21("3","2","2","2","4","2","5","1") = "4"
    & skf21("3","2","2","2","4","2","6","1") = "5"
    & skf21("3","2","2","2","4","2","7","1") = "6"
    & skf21("3","2","2","2","4","3","1","1") = "3"
    & skf21("3","2","2","2","4","3","2","1") = "3"
    & skf21("3","2","2","2","4","3","3","1") = "3"
    & skf21("3","2","2","2","4","3","4","1") = "2"
    & skf21("3","2","2","2","4","3","5","1") = "4"
    & skf21("3","2","2","2","4","3","6","1") = "5"
    & skf21("3","2","2","2","4","3","7","1") = "6"
    & skf21("3","2","2","2","4","4","1","1") = "3"
    & skf21("3","2","2","2","4","4","2","1") = "2"
    & skf21("3","2","2","2","4","4","3","1") = "3"
    & skf21("3","2","2","2","4","4","4","1") = "2"
    & skf21("3","2","2","2","4","4","5","1") = "4"
    & skf21("3","2","2","2","4","4","6","1") = "5"
    & skf21("3","2","2","2","4","4","7","1") = "6"
    & skf21("3","2","2","2","4","5","1","1") = "4"
    & skf21("3","2","2","2","4","5","2","1") = "4"
    & skf21("3","2","2","2","4","5","3","1") = "4"
    & skf21("3","2","2","2","4","5","4","1") = "4"
    & skf21("3","2","2","2","4","5","5","1") = "4"
    & skf21("3","2","2","2","4","5","6","1") = "5"
    & skf21("3","2","2","2","4","5","7","1") = "6"
    & skf21("3","2","2","2","4","6","1","1") = "5"
    & skf21("3","2","2","2","4","6","2","1") = "5"
    & skf21("3","2","2","2","4","6","3","1") = "5"
    & skf21("3","2","2","2","4","6","4","1") = "5"
    & skf21("3","2","2","2","4","6","5","1") = "5"
    & skf21("3","2","2","2","4","6","6","1") = "5"
    & skf21("3","2","2","2","4","6","7","1") = "6"
    & skf21("3","2","2","2","4","7","1","1") = "6"
    & skf21("3","2","2","2","4","7","2","1") = "6"
    & skf21("3","2","2","2","4","7","3","1") = "6"
    & skf21("3","2","2","2","4","7","4","1") = "6"
    & skf21("3","2","2","2","4","7","5","1") = "6"
    & skf21("3","2","2","2","4","7","6","1") = "6"
    & skf21("3","2","2","2","4","7","7","1") = "6"
    & skf21("3","2","2","2","5","1","1","1") = "4"
    & skf21("3","2","2","2","5","1","2","1") = "4"
    & skf21("3","2","2","2","5","1","3","1") = "4"
    & skf21("3","2","2","2","5","1","4","1") = "4"
    & skf21("3","2","2","2","5","1","5","1") = "4"
    & skf21("3","2","2","2","5","1","6","1") = "5"
    & skf21("3","2","2","2","5","1","7","1") = "6"
    & skf21("3","2","2","2","5","2","1","1") = "4"
    & skf21("3","2","2","2","5","2","2","1") = "4"
    & skf21("3","2","2","2","5","2","3","1") = "4"
    & skf21("3","2","2","2","5","2","4","1") = "4"
    & skf21("3","2","2","2","5","2","5","1") = "4"
    & skf21("3","2","2","2","5","2","6","1") = "5"
    & skf21("3","2","2","2","5","2","7","1") = "6"
    & skf21("3","2","2","2","5","3","1","1") = "4"
    & skf21("3","2","2","2","5","3","2","1") = "4"
    & skf21("3","2","2","2","5","3","3","1") = "4"
    & skf21("3","2","2","2","5","3","4","1") = "4"
    & skf21("3","2","2","2","5","3","5","1") = "4"
    & skf21("3","2","2","2","5","3","6","1") = "5"
    & skf21("3","2","2","2","5","3","7","1") = "6"
    & skf21("3","2","2","2","5","4","1","1") = "4"
    & skf21("3","2","2","2","5","4","2","1") = "4"
    & skf21("3","2","2","2","5","4","3","1") = "4"
    & skf21("3","2","2","2","5","4","4","1") = "4"
    & skf21("3","2","2","2","5","4","5","1") = "4"
    & skf21("3","2","2","2","5","4","6","1") = "5"
    & skf21("3","2","2","2","5","4","7","1") = "6"
    & skf21("3","2","2","2","5","5","1","1") = "4"
    & skf21("3","2","2","2","5","5","2","1") = "4"
    & skf21("3","2","2","2","5","5","3","1") = "4"
    & skf21("3","2","2","2","5","5","4","1") = "4"
    & skf21("3","2","2","2","5","5","5","1") = "4"
    & skf21("3","2","2","2","5","5","6","1") = "5"
    & skf21("3","2","2","2","5","5","7","1") = "6"
    & skf21("3","2","2","2","5","6","1","1") = "5"
    & skf21("3","2","2","2","5","6","2","1") = "5"
    & skf21("3","2","2","2","5","6","3","1") = "5"
    & skf21("3","2","2","2","5","6","4","1") = "5"
    & skf21("3","2","2","2","5","6","5","1") = "5"
    & skf21("3","2","2","2","5","6","6","1") = "5"
    & skf21("3","2","2","2","5","6","7","1") = "6"
    & skf21("3","2","2","2","5","7","1","1") = "6"
    & skf21("3","2","2","2","5","7","2","1") = "6"
    & skf21("3","2","2","2","5","7","3","1") = "6"
    & skf21("3","2","2","2","5","7","4","1") = "6"
    & skf21("3","2","2","2","5","7","5","1") = "6"
    & skf21("3","2","2","2","5","7","6","1") = "6"
    & skf21("3","2","2","2","5","7","7","1") = "6"
    & skf21("3","2","2","2","6","1","1","1") = "5"
    & skf21("3","2","2","2","6","1","2","1") = "5"
    & skf21("3","2","2","2","6","1","3","1") = "5"
    & skf21("3","2","2","2","6","1","4","1") = "5"
    & skf21("3","2","2","2","6","1","5","1") = "5"
    & skf21("3","2","2","2","6","1","6","1") = "5"
    & skf21("3","2","2","2","6","1","7","1") = "6"
    & skf21("3","2","2","2","6","2","1","1") = "5"
    & skf21("3","2","2","2","6","2","2","1") = "5"
    & skf21("3","2","2","2","6","2","3","1") = "5"
    & skf21("3","2","2","2","6","2","4","1") = "5"
    & skf21("3","2","2","2","6","2","5","1") = "5"
    & skf21("3","2","2","2","6","2","6","1") = "5"
    & skf21("3","2","2","2","6","2","7","1") = "6"
    & skf21("3","2","2","2","6","3","1","1") = "5"
    & skf21("3","2","2","2","6","3","2","1") = "5"
    & skf21("3","2","2","2","6","3","3","1") = "5"
    & skf21("3","2","2","2","6","3","4","1") = "5"
    & skf21("3","2","2","2","6","3","5","1") = "5"
    & skf21("3","2","2","2","6","3","6","1") = "5"
    & skf21("3","2","2","2","6","3","7","1") = "6"
    & skf21("3","2","2","2","6","4","1","1") = "5"
    & skf21("3","2","2","2","6","4","2","1") = "5"
    & skf21("3","2","2","2","6","4","3","1") = "5"
    & skf21("3","2","2","2","6","4","4","1") = "5"
    & skf21("3","2","2","2","6","4","5","1") = "5"
    & skf21("3","2","2","2","6","4","6","1") = "5"
    & skf21("3","2","2","2","6","4","7","1") = "6"
    & skf21("3","2","2","2","6","5","1","1") = "5"
    & skf21("3","2","2","2","6","5","2","1") = "5"
    & skf21("3","2","2","2","6","5","3","1") = "5"
    & skf21("3","2","2","2","6","5","4","1") = "5"
    & skf21("3","2","2","2","6","5","5","1") = "5"
    & skf21("3","2","2","2","6","5","6","1") = "5"
    & skf21("3","2","2","2","6","5","7","1") = "6"
    & skf21("3","2","2","2","6","6","1","1") = "5"
    & skf21("3","2","2","2","6","6","2","1") = "5"
    & skf21("3","2","2","2","6","6","3","1") = "5"
    & skf21("3","2","2","2","6","6","4","1") = "5"
    & skf21("3","2","2","2","6","6","5","1") = "5"
    & skf21("3","2","2","2","6","6","6","1") = "5"
    & skf21("3","2","2","2","6","6","7","1") = "6"
    & skf21("3","2","2","2","6","7","1","1") = "6"
    & skf21("3","2","2","2","6","7","2","1") = "6"
    & skf21("3","2","2","2","6","7","3","1") = "6"
    & skf21("3","2","2","2","6","7","4","1") = "6"
    & skf21("3","2","2","2","6","7","5","1") = "6"
    & skf21("3","2","2","2","6","7","6","1") = "6"
    & skf21("3","2","2","2","6","7","7","1") = "6"
    & skf21("3","2","2","2","7","1","1","1") = "6"
    & skf21("3","2","2","2","7","1","2","1") = "6"
    & skf21("3","2","2","2","7","1","3","1") = "6"
    & skf21("3","2","2","2","7","1","4","1") = "6"
    & skf21("3","2","2","2","7","1","5","1") = "6"
    & skf21("3","2","2","2","7","1","6","1") = "6"
    & skf21("3","2","2","2","7","1","7","1") = "6"
    & skf21("3","2","2","2","7","2","1","1") = "6"
    & skf21("3","2","2","2","7","2","2","1") = "6"
    & skf21("3","2","2","2","7","2","3","1") = "6"
    & skf21("3","2","2","2","7","2","4","1") = "6"
    & skf21("3","2","2","2","7","2","5","1") = "6"
    & skf21("3","2","2","2","7","2","6","1") = "6"
    & skf21("3","2","2","2","7","2","7","1") = "6"
    & skf21("3","2","2","2","7","3","1","1") = "6"
    & skf21("3","2","2","2","7","3","2","1") = "6"
    & skf21("3","2","2","2","7","3","3","1") = "6"
    & skf21("3","2","2","2","7","3","4","1") = "6"
    & skf21("3","2","2","2","7","3","5","1") = "6"
    & skf21("3","2","2","2","7","3","6","1") = "6"
    & skf21("3","2","2","2","7","3","7","1") = "6"
    & skf21("3","2","2","2","7","4","1","1") = "6"
    & skf21("3","2","2","2","7","4","2","1") = "6"
    & skf21("3","2","2","2","7","4","3","1") = "6"
    & skf21("3","2","2","2","7","4","4","1") = "6"
    & skf21("3","2","2","2","7","4","5","1") = "6"
    & skf21("3","2","2","2","7","4","6","1") = "6"
    & skf21("3","2","2","2","7","4","7","1") = "6"
    & skf21("3","2","2","2","7","5","1","1") = "6"
    & skf21("3","2","2","2","7","5","2","1") = "6"
    & skf21("3","2","2","2","7","5","3","1") = "6"
    & skf21("3","2","2","2","7","5","4","1") = "6"
    & skf21("3","2","2","2","7","5","5","1") = "6"
    & skf21("3","2","2","2","7","5","6","1") = "6"
    & skf21("3","2","2","2","7","5","7","1") = "6"
    & skf21("3","2","2","2","7","6","1","1") = "6"
    & skf21("3","2","2","2","7","6","2","1") = "6"
    & skf21("3","2","2","2","7","6","3","1") = "6"
    & skf21("3","2","2","2","7","6","4","1") = "6"
    & skf21("3","2","2","2","7","6","5","1") = "6"
    & skf21("3","2","2","2","7","6","6","1") = "6"
    & skf21("3","2","2","2","7","6","7","1") = "6"
    & skf21("3","2","2","2","7","7","1","1") = "6"
    & skf21("3","2","2","2","7","7","2","1") = "6"
    & skf21("3","2","2","2","7","7","3","1") = "6"
    & skf21("3","2","2","2","7","7","4","1") = "6"
    & skf21("3","2","2","2","7","7","5","1") = "6"
    & skf21("3","2","2","2","7","7","6","1") = "6"
    & skf21("3","2","2","2","7","7","7","1") = "6"
    & skf21("3","2","2","3","1","1","1","1") = "2"
    & skf21("3","2","2","3","1","1","2","1") = "2"
    & skf21("3","2","2","3","1","1","3","1") = "2"
    & skf21("3","2","2","3","1","1","4","1") = "3"
    & skf21("3","2","2","3","1","1","5","1") = "4"
    & skf21("3","2","2","3","1","1","6","1") = "5"
    & skf21("3","2","2","3","1","1","7","1") = "6"
    & skf21("3","2","2","3","1","2","1","1") = "2"
    & skf21("3","2","2","3","1","2","2","1") = "2"
    & skf21("3","2","2","3","1","2","3","1") = "2"
    & skf21("3","2","2","3","1","2","4","1") = "2"
    & skf21("3","2","2","3","1","2","5","1") = "4"
    & skf21("3","2","2","3","1","2","6","1") = "5"
    & skf21("3","2","2","3","1","2","7","1") = "6"
    & skf21("3","2","2","3","1","3","1","1") = "2"
    & skf21("3","2","2","3","1","3","2","1") = "2"
    & skf21("3","2","2","3","1","3","3","1") = "2"
    & skf21("3","2","2","3","1","3","4","1") = "3"
    & skf21("3","2","2","3","1","3","5","1") = "4"
    & skf21("3","2","2","3","1","3","6","1") = "5"
    & skf21("3","2","2","3","1","3","7","1") = "6"
    & skf21("3","2","2","3","1","4","1","1") = "2"
    & skf21("3","2","2","3","1","4","2","1") = "3"
    & skf21("3","2","2","3","1","4","3","1") = "2"
    & skf21("3","2","2","3","1","4","4","1") = "3"
    & skf21("3","2","2","3","1","4","5","1") = "4"
    & skf21("3","2","2","3","1","4","6","1") = "5"
    & skf21("3","2","2","3","1","4","7","1") = "6"
    & skf21("3","2","2","3","1","5","1","1") = "4"
    & skf21("3","2","2","3","1","5","2","1") = "4"
    & skf21("3","2","2","3","1","5","3","1") = "4"
    & skf21("3","2","2","3","1","5","4","1") = "4"
    & skf21("3","2","2","3","1","5","5","1") = "4"
    & skf21("3","2","2","3","1","5","6","1") = "5"
    & skf21("3","2","2","3","1","5","7","1") = "6"
    & skf21("3","2","2","3","1","6","1","1") = "5"
    & skf21("3","2","2","3","1","6","2","1") = "5"
    & skf21("3","2","2","3","1","6","3","1") = "5"
    & skf21("3","2","2","3","1","6","4","1") = "5"
    & skf21("3","2","2","3","1","6","5","1") = "5"
    & skf21("3","2","2","3","1","6","6","1") = "5"
    & skf21("3","2","2","3","1","6","7","1") = "6"
    & skf21("3","2","2","3","1","7","1","1") = "6"
    & skf21("3","2","2","3","1","7","2","1") = "6"
    & skf21("3","2","2","3","1","7","3","1") = "6"
    & skf21("3","2","2","3","1","7","4","1") = "6"
    & skf21("3","2","2","3","1","7","5","1") = "6"
    & skf21("3","2","2","3","1","7","6","1") = "6"
    & skf21("3","2","2","3","1","7","7","1") = "6"
    & skf21("3","2","2","3","2","1","1","1") = "2"
    & skf21("3","2","2","3","2","1","2","1") = "2"
    & skf21("3","2","2","3","2","1","3","1") = "2"
    & skf21("3","2","2","3","2","1","4","1") = "3"
    & skf21("3","2","2","3","2","1","5","1") = "4"
    & skf21("3","2","2","3","2","1","6","1") = "5"
    & skf21("3","2","2","3","2","1","7","1") = "6"
    & skf21("3","2","2","3","2","2","1","1") = "2"
    & skf21("3","2","2","3","2","2","2","1") = "2"
    & skf21("3","2","2","3","2","2","3","1") = "2"
    & skf21("3","2","2","3","2","2","4","1") = "3"
    & skf21("3","2","2","3","2","2","5","1") = "4"
    & skf21("3","2","2","3","2","2","6","1") = "5"
    & skf21("3","2","2","3","2","2","7","1") = "6"
    & skf21("3","2","2","3","2","3","1","1") = "2"
    & skf21("3","2","2","3","2","3","2","1") = "2"
    & skf21("3","2","2","3","2","3","3","1") = "2"
    & skf21("3","2","2","3","2","3","4","1") = "3"
    & skf21("3","2","2","3","2","3","5","1") = "4"
    & skf21("3","2","2","3","2","3","6","1") = "5"
    & skf21("3","2","2","3","2","3","7","1") = "6"
    & skf21("3","2","2","3","2","4","1","1") = "3"
    & skf21("3","2","2","3","2","4","2","1") = "3"
    & skf21("3","2","2","3","2","4","3","1") = "3"
    & skf21("3","2","2","3","2","4","4","1") = "3"
    & skf21("3","2","2","3","2","4","5","1") = "4"
    & skf21("3","2","2","3","2","4","6","1") = "5"
    & skf21("3","2","2","3","2","4","7","1") = "6"
    & skf21("3","2","2","3","2","5","1","1") = "4"
    & skf21("3","2","2","3","2","5","2","1") = "4"
    & skf21("3","2","2","3","2","5","3","1") = "4"
    & skf21("3","2","2","3","2","5","4","1") = "4"
    & skf21("3","2","2","3","2","5","5","1") = "4"
    & skf21("3","2","2","3","2","5","6","1") = "5"
    & skf21("3","2","2","3","2","5","7","1") = "6"
    & skf21("3","2","2","3","2","6","1","1") = "5"
    & skf21("3","2","2","3","2","6","2","1") = "5"
    & skf21("3","2","2","3","2","6","3","1") = "5"
    & skf21("3","2","2","3","2","6","4","1") = "5"
    & skf21("3","2","2","3","2","6","5","1") = "5"
    & skf21("3","2","2","3","2","6","6","1") = "5"
    & skf21("3","2","2","3","2","6","7","1") = "6"
    & skf21("3","2","2","3","2","7","1","1") = "6"
    & skf21("3","2","2","3","2","7","2","1") = "6"
    & skf21("3","2","2","3","2","7","3","1") = "6"
    & skf21("3","2","2","3","2","7","4","1") = "6"
    & skf21("3","2","2","3","2","7","5","1") = "6"
    & skf21("3","2","2","3","2","7","6","1") = "6"
    & skf21("3","2","2","3","2","7","7","1") = "6"
    & skf21("3","2","2","3","3","1","1","1") = "2"
    & skf21("3","2","2","3","3","1","2","1") = "2"
    & skf21("3","2","2","3","3","1","3","1") = "2"
    & skf21("3","2","2","3","3","1","4","1") = "3"
    & skf21("3","2","2","3","3","1","5","1") = "4"
    & skf21("3","2","2","3","3","1","6","1") = "5"
    & skf21("3","2","2","3","3","1","7","1") = "6"
    & skf21("3","2","2","3","3","2","1","1") = "2"
    & skf21("3","2","2","3","3","2","2","1") = "2"
    & skf21("3","2","2","3","3","2","3","1") = "2"
    & skf21("3","2","2","3","3","2","4","1") = "3"
    & skf21("3","2","2","3","3","2","5","1") = "4"
    & skf21("3","2","2","3","3","2","6","1") = "5"
    & skf21("3","2","2","3","3","2","7","1") = "6"
    & skf21("3","2","2","3","3","3","1","1") = "2"
    & skf21("3","2","2","3","3","3","2","1") = "2"
    & skf21("3","2","2","3","3","3","3","1") = "2"
    & skf21("3","2","2","3","3","3","4","1") = "3"
    & skf21("3","2","2","3","3","3","5","1") = "4"
    & skf21("3","2","2","3","3","3","6","1") = "5"
    & skf21("3","2","2","3","3","3","7","1") = "6"
    & skf21("3","2","2","3","3","4","1","1") = "3"
    & skf21("3","2","2","3","3","4","2","1") = "3"
    & skf21("3","2","2","3","3","4","3","1") = "3"
    & skf21("3","2","2","3","3","4","4","1") = "3"
    & skf21("3","2","2","3","3","4","5","1") = "4"
    & skf21("3","2","2","3","3","4","6","1") = "5"
    & skf21("3","2","2","3","3","4","7","1") = "6"
    & skf21("3","2","2","3","3","5","1","1") = "4"
    & skf21("3","2","2","3","3","5","2","1") = "4"
    & skf21("3","2","2","3","3","5","3","1") = "4"
    & skf21("3","2","2","3","3","5","4","1") = "4"
    & skf21("3","2","2","3","3","5","5","1") = "4"
    & skf21("3","2","2","3","3","5","6","1") = "5"
    & skf21("3","2","2","3","3","5","7","1") = "6"
    & skf21("3","2","2","3","3","6","1","1") = "5"
    & skf21("3","2","2","3","3","6","2","1") = "5"
    & skf21("3","2","2","3","3","6","3","1") = "5"
    & skf21("3","2","2","3","3","6","4","1") = "5"
    & skf21("3","2","2","3","3","6","5","1") = "5"
    & skf21("3","2","2","3","3","6","6","1") = "5"
    & skf21("3","2","2","3","3","6","7","1") = "6"
    & skf21("3","2","2","3","3","7","1","1") = "6"
    & skf21("3","2","2","3","3","7","2","1") = "6"
    & skf21("3","2","2","3","3","7","3","1") = "6"
    & skf21("3","2","2","3","3","7","4","1") = "6"
    & skf21("3","2","2","3","3","7","5","1") = "6"
    & skf21("3","2","2","3","3","7","6","1") = "6"
    & skf21("3","2","2","3","3","7","7","1") = "6"
    & skf21("3","2","2","3","4","1","1","1") = "3"
    & skf21("3","2","2","3","4","1","2","1") = "3"
    & skf21("3","2","2","3","4","1","3","1") = "3"
    & skf21("3","2","2","3","4","1","4","1") = "3"
    & skf21("3","2","2","3","4","1","5","1") = "4"
    & skf21("3","2","2","3","4","1","6","1") = "5"
    & skf21("3","2","2","3","4","1","7","1") = "6"
    & skf21("3","2","2","3","4","2","1","1") = "3"
    & skf21("3","2","2","3","4","2","2","1") = "3"
    & skf21("3","2","2","3","4","2","3","1") = "3"
    & skf21("3","2","2","3","4","2","4","1") = "3"
    & skf21("3","2","2","3","4","2","5","1") = "4"
    & skf21("3","2","2","3","4","2","6","1") = "5"
    & skf21("3","2","2","3","4","2","7","1") = "6"
    & skf21("3","2","2","3","4","3","1","1") = "3"
    & skf21("3","2","2","3","4","3","2","1") = "3"
    & skf21("3","2","2","3","4","3","3","1") = "3"
    & skf21("3","2","2","3","4","3","4","1") = "3"
    & skf21("3","2","2","3","4","3","5","1") = "4"
    & skf21("3","2","2","3","4","3","6","1") = "5"
    & skf21("3","2","2","3","4","3","7","1") = "6"
    & skf21("3","2","2","3","4","4","1","1") = "3"
    & skf21("3","2","2","3","4","4","2","1") = "3"
    & skf21("3","2","2","3","4","4","3","1") = "3"
    & skf21("3","2","2","3","4","4","4","1") = "3"
    & skf21("3","2","2","3","4","4","5","1") = "4"
    & skf21("3","2","2","3","4","4","6","1") = "5"
    & skf21("3","2","2","3","4","4","7","1") = "6"
    & skf21("3","2","2","3","4","5","1","1") = "4"
    & skf21("3","2","2","3","4","5","2","1") = "4"
    & skf21("3","2","2","3","4","5","3","1") = "4"
    & skf21("3","2","2","3","4","5","4","1") = "4"
    & skf21("3","2","2","3","4","5","5","1") = "4"
    & skf21("3","2","2","3","4","5","6","1") = "5"
    & skf21("3","2","2","3","4","5","7","1") = "6"
    & skf21("3","2","2","3","4","6","1","1") = "5"
    & skf21("3","2","2","3","4","6","2","1") = "5"
    & skf21("3","2","2","3","4","6","3","1") = "5"
    & skf21("3","2","2","3","4","6","4","1") = "5"
    & skf21("3","2","2","3","4","6","5","1") = "5"
    & skf21("3","2","2","3","4","6","6","1") = "5"
    & skf21("3","2","2","3","4","6","7","1") = "6"
    & skf21("3","2","2","3","4","7","1","1") = "6"
    & skf21("3","2","2","3","4","7","2","1") = "6"
    & skf21("3","2","2","3","4","7","3","1") = "6"
    & skf21("3","2","2","3","4","7","4","1") = "6"
    & skf21("3","2","2","3","4","7","5","1") = "6"
    & skf21("3","2","2","3","4","7","6","1") = "6"
    & skf21("3","2","2","3","4","7","7","1") = "6"
    & skf21("3","2","2","3","5","1","1","1") = "4"
    & skf21("3","2","2","3","5","1","2","1") = "4"
    & skf21("3","2","2","3","5","1","3","1") = "4"
    & skf21("3","2","2","3","5","1","4","1") = "4"
    & skf21("3","2","2","3","5","1","5","1") = "4"
    & skf21("3","2","2","3","5","1","6","1") = "5"
    & skf21("3","2","2","3","5","1","7","1") = "6"
    & skf21("3","2","2","3","5","2","1","1") = "4"
    & skf21("3","2","2","3","5","2","2","1") = "4"
    & skf21("3","2","2","3","5","2","3","1") = "4"
    & skf21("3","2","2","3","5","2","4","1") = "4"
    & skf21("3","2","2","3","5","2","5","1") = "4"
    & skf21("3","2","2","3","5","2","6","1") = "5"
    & skf21("3","2","2","3","5","2","7","1") = "6"
    & skf21("3","2","2","3","5","3","1","1") = "4"
    & skf21("3","2","2","3","5","3","2","1") = "4"
    & skf21("3","2","2","3","5","3","3","1") = "4"
    & skf21("3","2","2","3","5","3","4","1") = "4"
    & skf21("3","2","2","3","5","3","5","1") = "4"
    & skf21("3","2","2","3","5","3","6","1") = "5"
    & skf21("3","2","2","3","5","3","7","1") = "6"
    & skf21("3","2","2","3","5","4","1","1") = "4"
    & skf21("3","2","2","3","5","4","2","1") = "4"
    & skf21("3","2","2","3","5","4","3","1") = "4"
    & skf21("3","2","2","3","5","4","4","1") = "4"
    & skf21("3","2","2","3","5","4","5","1") = "4"
    & skf21("3","2","2","3","5","4","6","1") = "5"
    & skf21("3","2","2","3","5","4","7","1") = "6"
    & skf21("3","2","2","3","5","5","1","1") = "4"
    & skf21("3","2","2","3","5","5","2","1") = "4"
    & skf21("3","2","2","3","5","5","3","1") = "4"
    & skf21("3","2","2","3","5","5","4","1") = "4"
    & skf21("3","2","2","3","5","5","5","1") = "4"
    & skf21("3","2","2","3","5","5","6","1") = "5"
    & skf21("3","2","2","3","5","5","7","1") = "6"
    & skf21("3","2","2","3","5","6","1","1") = "5"
    & skf21("3","2","2","3","5","6","2","1") = "5"
    & skf21("3","2","2","3","5","6","3","1") = "5"
    & skf21("3","2","2","3","5","6","4","1") = "5"
    & skf21("3","2","2","3","5","6","5","1") = "5"
    & skf21("3","2","2","3","5","6","6","1") = "5"
    & skf21("3","2","2","3","5","6","7","1") = "6"
    & skf21("3","2","2","3","5","7","1","1") = "6"
    & skf21("3","2","2","3","5","7","2","1") = "6"
    & skf21("3","2","2","3","5","7","3","1") = "6"
    & skf21("3","2","2","3","5","7","4","1") = "6"
    & skf21("3","2","2","3","5","7","5","1") = "6"
    & skf21("3","2","2","3","5","7","6","1") = "6"
    & skf21("3","2","2","3","5","7","7","1") = "6"
    & skf21("3","2","2","3","6","1","1","1") = "5"
    & skf21("3","2","2","3","6","1","2","1") = "5"
    & skf21("3","2","2","3","6","1","3","1") = "5"
    & skf21("3","2","2","3","6","1","4","1") = "5"
    & skf21("3","2","2","3","6","1","5","1") = "5"
    & skf21("3","2","2","3","6","1","6","1") = "5"
    & skf21("3","2","2","3","6","1","7","1") = "6"
    & skf21("3","2","2","3","6","2","1","1") = "5"
    & skf21("3","2","2","3","6","2","2","1") = "5"
    & skf21("3","2","2","3","6","2","3","1") = "5"
    & skf21("3","2","2","3","6","2","4","1") = "5"
    & skf21("3","2","2","3","6","2","5","1") = "5"
    & skf21("3","2","2","3","6","2","6","1") = "5"
    & skf21("3","2","2","3","6","2","7","1") = "6"
    & skf21("3","2","2","3","6","3","1","1") = "5"
    & skf21("3","2","2","3","6","3","2","1") = "5"
    & skf21("3","2","2","3","6","3","3","1") = "5"
    & skf21("3","2","2","3","6","3","4","1") = "5"
    & skf21("3","2","2","3","6","3","5","1") = "5"
    & skf21("3","2","2","3","6","3","6","1") = "5"
    & skf21("3","2","2","3","6","3","7","1") = "6"
    & skf21("3","2","2","3","6","4","1","1") = "5"
    & skf21("3","2","2","3","6","4","2","1") = "5"
    & skf21("3","2","2","3","6","4","3","1") = "5"
    & skf21("3","2","2","3","6","4","4","1") = "5"
    & skf21("3","2","2","3","6","4","5","1") = "5"
    & skf21("3","2","2","3","6","4","6","1") = "5"
    & skf21("3","2","2","3","6","4","7","1") = "6"
    & skf21("3","2","2","3","6","5","1","1") = "5"
    & skf21("3","2","2","3","6","5","2","1") = "5"
    & skf21("3","2","2","3","6","5","3","1") = "5"
    & skf21("3","2","2","3","6","5","4","1") = "5"
    & skf21("3","2","2","3","6","5","5","1") = "5"
    & skf21("3","2","2","3","6","5","6","1") = "5"
    & skf21("3","2","2","3","6","5","7","1") = "6"
    & skf21("3","2","2","3","6","6","1","1") = "5"
    & skf21("3","2","2","3","6","6","2","1") = "5"
    & skf21("3","2","2","3","6","6","3","1") = "5"
    & skf21("3","2","2","3","6","6","4","1") = "5"
    & skf21("3","2","2","3","6","6","5","1") = "5"
    & skf21("3","2","2","3","6","6","6","1") = "5"
    & skf21("3","2","2","3","6","6","7","1") = "6"
    & skf21("3","2","2","3","6","7","1","1") = "6"
    & skf21("3","2","2","3","6","7","2","1") = "6"
    & skf21("3","2","2","3","6","7","3","1") = "6"
    & skf21("3","2","2","3","6","7","4","1") = "6"
    & skf21("3","2","2","3","6","7","5","1") = "6"
    & skf21("3","2","2","3","6","7","6","1") = "6"
    & skf21("3","2","2","3","6","7","7","1") = "6"
    & skf21("3","2","2","3","7","1","1","1") = "6"
    & skf21("3","2","2","3","7","1","2","1") = "6"
    & skf21("3","2","2","3","7","1","3","1") = "6"
    & skf21("3","2","2","3","7","1","4","1") = "6"
    & skf21("3","2","2","3","7","1","5","1") = "6"
    & skf21("3","2","2","3","7","1","6","1") = "6"
    & skf21("3","2","2","3","7","1","7","1") = "6"
    & skf21("3","2","2","3","7","2","1","1") = "6"
    & skf21("3","2","2","3","7","2","2","1") = "6"
    & skf21("3","2","2","3","7","2","3","1") = "6"
    & skf21("3","2","2","3","7","2","4","1") = "6"
    & skf21("3","2","2","3","7","2","5","1") = "6"
    & skf21("3","2","2","3","7","2","6","1") = "6"
    & skf21("3","2","2","3","7","2","7","1") = "6"
    & skf21("3","2","2","3","7","3","1","1") = "6"
    & skf21("3","2","2","3","7","3","2","1") = "6"
    & skf21("3","2","2","3","7","3","3","1") = "6"
    & skf21("3","2","2","3","7","3","4","1") = "6"
    & skf21("3","2","2","3","7","3","5","1") = "6"
    & skf21("3","2","2","3","7","3","6","1") = "6"
    & skf21("3","2","2","3","7","3","7","1") = "6"
    & skf21("3","2","2","3","7","4","1","1") = "6"
    & skf21("3","2","2","3","7","4","2","1") = "6"
    & skf21("3","2","2","3","7","4","3","1") = "6"
    & skf21("3","2","2","3","7","4","4","1") = "6"
    & skf21("3","2","2","3","7","4","5","1") = "6"
    & skf21("3","2","2","3","7","4","6","1") = "6"
    & skf21("3","2","2","3","7","4","7","1") = "6"
    & skf21("3","2","2","3","7","5","1","1") = "6"
    & skf21("3","2","2","3","7","5","2","1") = "6"
    & skf21("3","2","2","3","7","5","3","1") = "6"
    & skf21("3","2","2","3","7","5","4","1") = "6"
    & skf21("3","2","2","3","7","5","5","1") = "6"
    & skf21("3","2","2","3","7","5","6","1") = "6"
    & skf21("3","2","2","3","7","5","7","1") = "6"
    & skf21("3","2","2","3","7","6","1","1") = "6"
    & skf21("3","2","2","3","7","6","2","1") = "6"
    & skf21("3","2","2","3","7","6","3","1") = "6"
    & skf21("3","2","2","3","7","6","4","1") = "6"
    & skf21("3","2","2","3","7","6","5","1") = "6"
    & skf21("3","2","2","3","7","6","6","1") = "6"
    & skf21("3","2","2","3","7","6","7","1") = "6"
    & skf21("3","2","2","3","7","7","1","1") = "6"
    & skf21("3","2","2","3","7","7","2","1") = "6"
    & skf21("3","2","2","3","7","7","3","1") = "6"
    & skf21("3","2","2","3","7","7","4","1") = "6"
    & skf21("3","2","2","3","7","7","5","1") = "6"
    & skf21("3","2","2","3","7","7","6","1") = "6"
    & skf21("3","2","2","3","7","7","7","1") = "6"
    & skf21("3","2","2","4","1","1","1","1") = "3"
    & skf21("3","2","2","4","1","1","2","1") = "3"
    & skf21("3","2","2","4","1","1","3","1") = "3"
    & skf21("3","2","2","4","1","1","4","1") = "3"
    & skf21("3","2","2","4","1","1","5","1") = "4"
    & skf21("3","2","2","4","1","1","6","1") = "5"
    & skf21("3","2","2","4","1","1","7","1") = "6"
    & skf21("3","2","2","4","1","2","1","1") = "3"
    & skf21("3","2","2","4","1","2","2","1") = "3"
    & skf21("3","2","2","4","1","2","3","1") = "3"
    & skf21("3","2","2","4","1","2","4","1") = "3"
    & skf21("3","2","2","4","1","2","5","1") = "4"
    & skf21("3","2","2","4","1","2","6","1") = "5"
    & skf21("3","2","2","4","1","2","7","1") = "6"
    & skf21("3","2","2","4","1","3","1","1") = "3"
    & skf21("3","2","2","4","1","3","2","1") = "3"
    & skf21("3","2","2","4","1","3","3","1") = "3"
    & skf21("3","2","2","4","1","3","4","1") = "3"
    & skf21("3","2","2","4","1","3","5","1") = "4"
    & skf21("3","2","2","4","1","3","6","1") = "5"
    & skf21("3","2","2","4","1","3","7","1") = "6"
    & skf21("3","2","2","4","1","4","1","1") = "3"
    & skf21("3","2","2","4","1","4","2","1") = "3"
    & skf21("3","2","2","4","1","4","3","1") = "3"
    & skf21("3","2","2","4","1","4","4","1") = "3"
    & skf21("3","2","2","4","1","4","5","1") = "4"
    & skf21("3","2","2","4","1","4","6","1") = "5"
    & skf21("3","2","2","4","1","4","7","1") = "6"
    & skf21("3","2","2","4","1","5","1","1") = "4"
    & skf21("3","2","2","4","1","5","2","1") = "4"
    & skf21("3","2","2","4","1","5","3","1") = "4"
    & skf21("3","2","2","4","1","5","4","1") = "4"
    & skf21("3","2","2","4","1","5","5","1") = "4"
    & skf21("3","2","2","4","1","5","6","1") = "5"
    & skf21("3","2","2","4","1","5","7","1") = "6"
    & skf21("3","2","2","4","1","6","1","1") = "5"
    & skf21("3","2","2","4","1","6","2","1") = "5"
    & skf21("3","2","2","4","1","6","3","1") = "5"
    & skf21("3","2","2","4","1","6","4","1") = "5"
    & skf21("3","2","2","4","1","6","5","1") = "5"
    & skf21("3","2","2","4","1","6","6","1") = "5"
    & skf21("3","2","2","4","1","6","7","1") = "6"
    & skf21("3","2","2","4","1","7","1","1") = "6"
    & skf21("3","2","2","4","1","7","2","1") = "6"
    & skf21("3","2","2","4","1","7","3","1") = "6"
    & skf21("3","2","2","4","1","7","4","1") = "6"
    & skf21("3","2","2","4","1","7","5","1") = "6"
    & skf21("3","2","2","4","1","7","6","1") = "6"
    & skf21("3","2","2","4","1","7","7","1") = "6"
    & skf21("3","2","2","4","2","1","1","1") = "3"
    & skf21("3","2","2","4","2","1","2","1") = "3"
    & skf21("3","2","2","4","2","1","3","1") = "3"
    & skf21("3","2","2","4","2","1","4","1") = "3"
    & skf21("3","2","2","4","2","1","5","1") = "4"
    & skf21("3","2","2","4","2","1","6","1") = "5"
    & skf21("3","2","2","4","2","1","7","1") = "6"
    & skf21("3","2","2","4","2","2","1","1") = "3"
    & skf21("3","2","2","4","2","2","2","1") = "3"
    & skf21("3","2","2","4","2","2","3","1") = "3"
    & skf21("3","2","2","4","2","2","4","1") = "3"
    & skf21("3","2","2","4","2","2","5","1") = "4"
    & skf21("3","2","2","4","2","2","6","1") = "5"
    & skf21("3","2","2","4","2","2","7","1") = "6"
    & skf21("3","2","2","4","2","3","1","1") = "3"
    & skf21("3","2","2","4","2","3","2","1") = "3"
    & skf21("3","2","2","4","2","3","3","1") = "3"
    & skf21("3","2","2","4","2","3","4","1") = "3"
    & skf21("3","2","2","4","2","3","5","1") = "4"
    & skf21("3","2","2","4","2","3","6","1") = "5"
    & skf21("3","2","2","4","2","3","7","1") = "6"
    & skf21("3","2","2","4","2","4","1","1") = "3"
    & skf21("3","2","2","4","2","4","2","1") = "3"
    & skf21("3","2","2","4","2","4","3","1") = "3"
    & skf21("3","2","2","4","2","4","4","1") = "3"
    & skf21("3","2","2","4","2","4","5","1") = "4"
    & skf21("3","2","2","4","2","4","6","1") = "5"
    & skf21("3","2","2","4","2","4","7","1") = "6"
    & skf21("3","2","2","4","2","5","1","1") = "4"
    & skf21("3","2","2","4","2","5","2","1") = "4"
    & skf21("3","2","2","4","2","5","3","1") = "4"
    & skf21("3","2","2","4","2","5","4","1") = "4"
    & skf21("3","2","2","4","2","5","5","1") = "4"
    & skf21("3","2","2","4","2","5","6","1") = "5"
    & skf21("3","2","2","4","2","5","7","1") = "6"
    & skf21("3","2","2","4","2","6","1","1") = "5"
    & skf21("3","2","2","4","2","6","2","1") = "5"
    & skf21("3","2","2","4","2","6","3","1") = "5"
    & skf21("3","2","2","4","2","6","4","1") = "5"
    & skf21("3","2","2","4","2","6","5","1") = "5"
    & skf21("3","2","2","4","2","6","6","1") = "5"
    & skf21("3","2","2","4","2","6","7","1") = "6"
    & skf21("3","2","2","4","2","7","1","1") = "6"
    & skf21("3","2","2","4","2","7","2","1") = "6"
    & skf21("3","2","2","4","2","7","3","1") = "6"
    & skf21("3","2","2","4","2","7","4","1") = "6"
    & skf21("3","2","2","4","2","7","5","1") = "6"
    & skf21("3","2","2","4","2","7","6","1") = "6"
    & skf21("3","2","2","4","2","7","7","1") = "6"
    & skf21("3","2","2","4","3","1","1","1") = "3"
    & skf21("3","2","2","4","3","1","2","1") = "3"
    & skf21("3","2","2","4","3","1","3","1") = "3"
    & skf21("3","2","2","4","3","1","4","1") = "3"
    & skf21("3","2","2","4","3","1","5","1") = "4"
    & skf21("3","2","2","4","3","1","6","1") = "5"
    & skf21("3","2","2","4","3","1","7","1") = "6"
    & skf21("3","2","2","4","3","2","1","1") = "3"
    & skf21("3","2","2","4","3","2","2","1") = "3"
    & skf21("3","2","2","4","3","2","3","1") = "3"
    & skf21("3","2","2","4","3","2","4","1") = "3"
    & skf21("3","2","2","4","3","2","5","1") = "4"
    & skf21("3","2","2","4","3","2","6","1") = "5"
    & skf21("3","2","2","4","3","2","7","1") = "6"
    & skf21("3","2","2","4","3","3","1","1") = "3"
    & skf21("3","2","2","4","3","3","2","1") = "3"
    & skf21("3","2","2","4","3","3","3","1") = "3"
    & skf21("3","2","2","4","3","3","4","1") = "3"
    & skf21("3","2","2","4","3","3","5","1") = "4"
    & skf21("3","2","2","4","3","3","6","1") = "5"
    & skf21("3","2","2","4","3","3","7","1") = "6"
    & skf21("3","2","2","4","3","4","1","1") = "3"
    & skf21("3","2","2","4","3","4","2","1") = "3"
    & skf21("3","2","2","4","3","4","3","1") = "3"
    & skf21("3","2","2","4","3","4","4","1") = "3"
    & skf21("3","2","2","4","3","4","5","1") = "4"
    & skf21("3","2","2","4","3","4","6","1") = "5"
    & skf21("3","2","2","4","3","4","7","1") = "6"
    & skf21("3","2","2","4","3","5","1","1") = "4"
    & skf21("3","2","2","4","3","5","2","1") = "4"
    & skf21("3","2","2","4","3","5","3","1") = "4"
    & skf21("3","2","2","4","3","5","4","1") = "4"
    & skf21("3","2","2","4","3","5","5","1") = "4"
    & skf21("3","2","2","4","3","5","6","1") = "5"
    & skf21("3","2","2","4","3","5","7","1") = "6"
    & skf21("3","2","2","4","3","6","1","1") = "5"
    & skf21("3","2","2","4","3","6","2","1") = "5"
    & skf21("3","2","2","4","3","6","3","1") = "5"
    & skf21("3","2","2","4","3","6","4","1") = "5"
    & skf21("3","2","2","4","3","6","5","1") = "5"
    & skf21("3","2","2","4","3","6","6","1") = "5"
    & skf21("3","2","2","4","3","6","7","1") = "6"
    & skf21("3","2","2","4","3","7","1","1") = "6"
    & skf21("3","2","2","4","3","7","2","1") = "6"
    & skf21("3","2","2","4","3","7","3","1") = "6"
    & skf21("3","2","2","4","3","7","4","1") = "6"
    & skf21("3","2","2","4","3","7","5","1") = "6"
    & skf21("3","2","2","4","3","7","6","1") = "6"
    & skf21("3","2","2","4","3","7","7","1") = "6"
    & skf21("3","2","2","4","4","1","1","1") = "3"
    & skf21("3","2","2","4","4","1","2","1") = "3"
    & skf21("3","2","2","4","4","1","3","1") = "3"
    & skf21("3","2","2","4","4","1","4","1") = "3"
    & skf21("3","2","2","4","4","1","5","1") = "4"
    & skf21("3","2","2","4","4","1","6","1") = "5"
    & skf21("3","2","2","4","4","1","7","1") = "6"
    & skf21("3","2","2","4","4","2","1","1") = "3"
    & skf21("3","2","2","4","4","2","2","1") = "3"
    & skf21("3","2","2","4","4","2","3","1") = "3"
    & skf21("3","2","2","4","4","2","4","1") = "3"
    & skf21("3","2","2","4","4","2","5","1") = "4"
    & skf21("3","2","2","4","4","2","6","1") = "5"
    & skf21("3","2","2","4","4","2","7","1") = "6"
    & skf21("3","2","2","4","4","3","1","1") = "3"
    & skf21("3","2","2","4","4","3","2","1") = "3"
    & skf21("3","2","2","4","4","3","3","1") = "3"
    & skf21("3","2","2","4","4","3","4","1") = "3"
    & skf21("3","2","2","4","4","3","5","1") = "4"
    & skf21("3","2","2","4","4","3","6","1") = "5"
    & skf21("3","2","2","4","4","3","7","1") = "6"
    & skf21("3","2","2","4","4","4","1","1") = "3"
    & skf21("3","2","2","4","4","4","2","1") = "3"
    & skf21("3","2","2","4","4","4","3","1") = "3"
    & skf21("3","2","2","4","4","4","4","1") = "3"
    & skf21("3","2","2","4","4","4","5","1") = "4"
    & skf21("3","2","2","4","4","4","6","1") = "5"
    & skf21("3","2","2","4","4","4","7","1") = "6"
    & skf21("3","2","2","4","4","5","1","1") = "4"
    & skf21("3","2","2","4","4","5","2","1") = "4"
    & skf21("3","2","2","4","4","5","3","1") = "4"
    & skf21("3","2","2","4","4","5","4","1") = "4"
    & skf21("3","2","2","4","4","5","5","1") = "4"
    & skf21("3","2","2","4","4","5","6","1") = "5"
    & skf21("3","2","2","4","4","5","7","1") = "6"
    & skf21("3","2","2","4","4","6","1","1") = "5"
    & skf21("3","2","2","4","4","6","2","1") = "5"
    & skf21("3","2","2","4","4","6","3","1") = "5"
    & skf21("3","2","2","4","4","6","4","1") = "5"
    & skf21("3","2","2","4","4","6","5","1") = "5"
    & skf21("3","2","2","4","4","6","6","1") = "5"
    & skf21("3","2","2","4","4","6","7","1") = "6"
    & skf21("3","2","2","4","4","7","1","1") = "6"
    & skf21("3","2","2","4","4","7","2","1") = "6"
    & skf21("3","2","2","4","4","7","3","1") = "6"
    & skf21("3","2","2","4","4","7","4","1") = "6"
    & skf21("3","2","2","4","4","7","5","1") = "6"
    & skf21("3","2","2","4","4","7","6","1") = "6"
    & skf21("3","2","2","4","4","7","7","1") = "6"
    & skf21("3","2","2","4","5","1","1","1") = "4"
    & skf21("3","2","2","4","5","1","2","1") = "4"
    & skf21("3","2","2","4","5","1","3","1") = "4"
    & skf21("3","2","2","4","5","1","4","1") = "4"
    & skf21("3","2","2","4","5","1","5","1") = "4"
    & skf21("3","2","2","4","5","1","6","1") = "5"
    & skf21("3","2","2","4","5","1","7","1") = "6"
    & skf21("3","2","2","4","5","2","1","1") = "4"
    & skf21("3","2","2","4","5","2","2","1") = "4"
    & skf21("3","2","2","4","5","2","3","1") = "4"
    & skf21("3","2","2","4","5","2","4","1") = "4"
    & skf21("3","2","2","4","5","2","5","1") = "4"
    & skf21("3","2","2","4","5","2","6","1") = "5"
    & skf21("3","2","2","4","5","2","7","1") = "6"
    & skf21("3","2","2","4","5","3","1","1") = "4"
    & skf21("3","2","2","4","5","3","2","1") = "4"
    & skf21("3","2","2","4","5","3","3","1") = "4"
    & skf21("3","2","2","4","5","3","4","1") = "4"
    & skf21("3","2","2","4","5","3","5","1") = "4"
    & skf21("3","2","2","4","5","3","6","1") = "5"
    & skf21("3","2","2","4","5","3","7","1") = "6"
    & skf21("3","2","2","4","5","4","1","1") = "4"
    & skf21("3","2","2","4","5","4","2","1") = "4"
    & skf21("3","2","2","4","5","4","3","1") = "4"
    & skf21("3","2","2","4","5","4","4","1") = "4"
    & skf21("3","2","2","4","5","4","5","1") = "4"
    & skf21("3","2","2","4","5","4","6","1") = "5"
    & skf21("3","2","2","4","5","4","7","1") = "6"
    & skf21("3","2","2","4","5","5","1","1") = "4"
    & skf21("3","2","2","4","5","5","2","1") = "4"
    & skf21("3","2","2","4","5","5","3","1") = "4"
    & skf21("3","2","2","4","5","5","4","1") = "4"
    & skf21("3","2","2","4","5","5","5","1") = "4"
    & skf21("3","2","2","4","5","5","6","1") = "5"
    & skf21("3","2","2","4","5","5","7","1") = "6"
    & skf21("3","2","2","4","5","6","1","1") = "5"
    & skf21("3","2","2","4","5","6","2","1") = "5"
    & skf21("3","2","2","4","5","6","3","1") = "5"
    & skf21("3","2","2","4","5","6","4","1") = "5"
    & skf21("3","2","2","4","5","6","5","1") = "5"
    & skf21("3","2","2","4","5","6","6","1") = "5"
    & skf21("3","2","2","4","5","6","7","1") = "6"
    & skf21("3","2","2","4","5","7","1","1") = "6"
    & skf21("3","2","2","4","5","7","2","1") = "6"
    & skf21("3","2","2","4","5","7","3","1") = "6"
    & skf21("3","2","2","4","5","7","4","1") = "6"
    & skf21("3","2","2","4","5","7","5","1") = "6"
    & skf21("3","2","2","4","5","7","6","1") = "6"
    & skf21("3","2","2","4","5","7","7","1") = "6"
    & skf21("3","2","2","4","6","1","1","1") = "5"
    & skf21("3","2","2","4","6","1","2","1") = "5"
    & skf21("3","2","2","4","6","1","3","1") = "5"
    & skf21("3","2","2","4","6","1","4","1") = "5"
    & skf21("3","2","2","4","6","1","5","1") = "5"
    & skf21("3","2","2","4","6","1","6","1") = "5"
    & skf21("3","2","2","4","6","1","7","1") = "6"
    & skf21("3","2","2","4","6","2","1","1") = "5"
    & skf21("3","2","2","4","6","2","2","1") = "5"
    & skf21("3","2","2","4","6","2","3","1") = "5"
    & skf21("3","2","2","4","6","2","4","1") = "5"
    & skf21("3","2","2","4","6","2","5","1") = "5"
    & skf21("3","2","2","4","6","2","6","1") = "5"
    & skf21("3","2","2","4","6","2","7","1") = "6"
    & skf21("3","2","2","4","6","3","1","1") = "5"
    & skf21("3","2","2","4","6","3","2","1") = "5"
    & skf21("3","2","2","4","6","3","3","1") = "5"
    & skf21("3","2","2","4","6","3","4","1") = "5"
    & skf21("3","2","2","4","6","3","5","1") = "5"
    & skf21("3","2","2","4","6","3","6","1") = "5"
    & skf21("3","2","2","4","6","3","7","1") = "6"
    & skf21("3","2","2","4","6","4","1","1") = "5"
    & skf21("3","2","2","4","6","4","2","1") = "5"
    & skf21("3","2","2","4","6","4","3","1") = "5"
    & skf21("3","2","2","4","6","4","4","1") = "5"
    & skf21("3","2","2","4","6","4","5","1") = "5"
    & skf21("3","2","2","4","6","4","6","1") = "5"
    & skf21("3","2","2","4","6","4","7","1") = "6"
    & skf21("3","2","2","4","6","5","1","1") = "5"
    & skf21("3","2","2","4","6","5","2","1") = "5"
    & skf21("3","2","2","4","6","5","3","1") = "5"
    & skf21("3","2","2","4","6","5","4","1") = "5"
    & skf21("3","2","2","4","6","5","5","1") = "5"
    & skf21("3","2","2","4","6","5","6","1") = "5"
    & skf21("3","2","2","4","6","5","7","1") = "6"
    & skf21("3","2","2","4","6","6","1","1") = "5"
    & skf21("3","2","2","4","6","6","2","1") = "5"
    & skf21("3","2","2","4","6","6","3","1") = "5"
    & skf21("3","2","2","4","6","6","4","1") = "5"
    & skf21("3","2","2","4","6","6","5","1") = "5"
    & skf21("3","2","2","4","6","6","6","1") = "5"
    & skf21("3","2","2","4","6","6","7","1") = "6"
    & skf21("3","2","2","4","6","7","1","1") = "6"
    & skf21("3","2","2","4","6","7","2","1") = "6"
    & skf21("3","2","2","4","6","7","3","1") = "6"
    & skf21("3","2","2","4","6","7","4","1") = "6"
    & skf21("3","2","2","4","6","7","5","1") = "6"
    & skf21("3","2","2","4","6","7","6","1") = "6"
    & skf21("3","2","2","4","6","7","7","1") = "6"
    & skf21("3","2","2","4","7","1","1","1") = "6"
    & skf21("3","2","2","4","7","1","2","1") = "6"
    & skf21("3","2","2","4","7","1","3","1") = "6"
    & skf21("3","2","2","4","7","1","4","1") = "6"
    & skf21("3","2","2","4","7","1","5","1") = "6"
    & skf21("3","2","2","4","7","1","6","1") = "6"
    & skf21("3","2","2","4","7","1","7","1") = "6"
    & skf21("3","2","2","4","7","2","1","1") = "6"
    & skf21("3","2","2","4","7","2","2","1") = "6"
    & skf21("3","2","2","4","7","2","3","1") = "6"
    & skf21("3","2","2","4","7","2","4","1") = "6"
    & skf21("3","2","2","4","7","2","5","1") = "6"
    & skf21("3","2","2","4","7","2","6","1") = "6"
    & skf21("3","2","2","4","7","2","7","1") = "6"
    & skf21("3","2","2","4","7","3","1","1") = "6"
    & skf21("3","2","2","4","7","3","2","1") = "6"
    & skf21("3","2","2","4","7","3","3","1") = "6"
    & skf21("3","2","2","4","7","3","4","1") = "6"
    & skf21("3","2","2","4","7","3","5","1") = "6"
    & skf21("3","2","2","4","7","3","6","1") = "6"
    & skf21("3","2","2","4","7","3","7","1") = "6"
    & skf21("3","2","2","4","7","4","1","1") = "6"
    & skf21("3","2","2","4","7","4","2","1") = "6"
    & skf21("3","2","2","4","7","4","3","1") = "6"
    & skf21("3","2","2","4","7","4","4","1") = "6"
    & skf21("3","2","2","4","7","4","5","1") = "6"
    & skf21("3","2","2","4","7","4","6","1") = "6"
    & skf21("3","2","2","4","7","4","7","1") = "6"
    & skf21("3","2","2","4","7","5","1","1") = "6"
    & skf21("3","2","2","4","7","5","2","1") = "6"
    & skf21("3","2","2","4","7","5","3","1") = "6"
    & skf21("3","2","2","4","7","5","4","1") = "6"
    & skf21("3","2","2","4","7","5","5","1") = "6"
    & skf21("3","2","2","4","7","5","6","1") = "6"
    & skf21("3","2","2","4","7","5","7","1") = "6"
    & skf21("3","2","2","4","7","6","1","1") = "6"
    & skf21("3","2","2","4","7","6","2","1") = "6"
    & skf21("3","2","2","4","7","6","3","1") = "6"
    & skf21("3","2","2","4","7","6","4","1") = "6"
    & skf21("3","2","2","4","7","6","5","1") = "6"
    & skf21("3","2","2","4","7","6","6","1") = "6"
    & skf21("3","2","2","4","7","6","7","1") = "6"
    & skf21("3","2","2","4","7","7","1","1") = "6"
    & skf21("3","2","2","4","7","7","2","1") = "6"
    & skf21("3","2","2","4","7","7","3","1") = "6"
    & skf21("3","2","2","4","7","7","4","1") = "6"
    & skf21("3","2","2","4","7","7","5","1") = "6"
    & skf21("3","2","2","4","7","7","6","1") = "6"
    & skf21("3","2","2","4","7","7","7","1") = "6"
    & skf21("3","2","2","5","1","1","1","1") = "4"
    & skf21("3","2","2","5","1","1","2","1") = "4"
    & skf21("3","2","2","5","1","1","3","1") = "4"
    & skf21("3","2","2","5","1","1","4","1") = "4"
    & skf21("3","2","2","5","1","1","5","1") = "4"
    & skf21("3","2","2","5","1","1","6","1") = "5"
    & skf21("3","2","2","5","1","1","7","1") = "6"
    & skf21("3","2","2","5","1","2","1","1") = "4"
    & skf21("3","2","2","5","1","2","2","1") = "4"
    & skf21("3","2","2","5","1","2","3","1") = "4"
    & skf21("3","2","2","5","1","2","4","1") = "4"
    & skf21("3","2","2","5","1","2","5","1") = "4"
    & skf21("3","2","2","5","1","2","6","1") = "5"
    & skf21("3","2","2","5","1","2","7","1") = "6"
    & skf21("3","2","2","5","1","3","1","1") = "4"
    & skf21("3","2","2","5","1","3","2","1") = "4"
    & skf21("3","2","2","5","1","3","3","1") = "4"
    & skf21("3","2","2","5","1","3","4","1") = "4"
    & skf21("3","2","2","5","1","3","5","1") = "4"
    & skf21("3","2","2","5","1","3","6","1") = "5"
    & skf21("3","2","2","5","1","3","7","1") = "6"
    & skf21("3","2","2","5","1","4","1","1") = "4"
    & skf21("3","2","2","5","1","4","2","1") = "4"
    & skf21("3","2","2","5","1","4","3","1") = "4"
    & skf21("3","2","2","5","1","4","4","1") = "4"
    & skf21("3","2","2","5","1","4","5","1") = "4"
    & skf21("3","2","2","5","1","4","6","1") = "5"
    & skf21("3","2","2","5","1","4","7","1") = "6"
    & skf21("3","2","2","5","1","5","1","1") = "4"
    & skf21("3","2","2","5","1","5","2","1") = "4"
    & skf21("3","2","2","5","1","5","3","1") = "4"
    & skf21("3","2","2","5","1","5","4","1") = "4"
    & skf21("3","2","2","5","1","5","5","1") = "4"
    & skf21("3","2","2","5","1","5","6","1") = "5"
    & skf21("3","2","2","5","1","5","7","1") = "6"
    & skf21("3","2","2","5","1","6","1","1") = "5"
    & skf21("3","2","2","5","1","6","2","1") = "5"
    & skf21("3","2","2","5","1","6","3","1") = "5"
    & skf21("3","2","2","5","1","6","4","1") = "5"
    & skf21("3","2","2","5","1","6","5","1") = "5"
    & skf21("3","2","2","5","1","6","6","1") = "5"
    & skf21("3","2","2","5","1","6","7","1") = "6"
    & skf21("3","2","2","5","1","7","1","1") = "6"
    & skf21("3","2","2","5","1","7","2","1") = "6"
    & skf21("3","2","2","5","1","7","3","1") = "6"
    & skf21("3","2","2","5","1","7","4","1") = "6"
    & skf21("3","2","2","5","1","7","5","1") = "6"
    & skf21("3","2","2","5","1","7","6","1") = "6"
    & skf21("3","2","2","5","1","7","7","1") = "6"
    & skf21("3","2","2","5","2","1","1","1") = "4"
    & skf21("3","2","2","5","2","1","2","1") = "4"
    & skf21("3","2","2","5","2","1","3","1") = "4"
    & skf21("3","2","2","5","2","1","4","1") = "4"
    & skf21("3","2","2","5","2","1","5","1") = "4"
    & skf21("3","2","2","5","2","1","6","1") = "5"
    & skf21("3","2","2","5","2","1","7","1") = "6"
    & skf21("3","2","2","5","2","2","1","1") = "4"
    & skf21("3","2","2","5","2","2","2","1") = "4"
    & skf21("3","2","2","5","2","2","3","1") = "4"
    & skf21("3","2","2","5","2","2","4","1") = "4"
    & skf21("3","2","2","5","2","2","5","1") = "4"
    & skf21("3","2","2","5","2","2","6","1") = "5"
    & skf21("3","2","2","5","2","2","7","1") = "6"
    & skf21("3","2","2","5","2","3","1","1") = "4"
    & skf21("3","2","2","5","2","3","2","1") = "4"
    & skf21("3","2","2","5","2","3","3","1") = "4"
    & skf21("3","2","2","5","2","3","4","1") = "4"
    & skf21("3","2","2","5","2","3","5","1") = "4"
    & skf21("3","2","2","5","2","3","6","1") = "5"
    & skf21("3","2","2","5","2","3","7","1") = "6"
    & skf21("3","2","2","5","2","4","1","1") = "4"
    & skf21("3","2","2","5","2","4","2","1") = "4"
    & skf21("3","2","2","5","2","4","3","1") = "4"
    & skf21("3","2","2","5","2","4","4","1") = "4"
    & skf21("3","2","2","5","2","4","5","1") = "4"
    & skf21("3","2","2","5","2","4","6","1") = "5"
    & skf21("3","2","2","5","2","4","7","1") = "6"
    & skf21("3","2","2","5","2","5","1","1") = "4"
    & skf21("3","2","2","5","2","5","2","1") = "4"
    & skf21("3","2","2","5","2","5","3","1") = "4"
    & skf21("3","2","2","5","2","5","4","1") = "4"
    & skf21("3","2","2","5","2","5","5","1") = "4"
    & skf21("3","2","2","5","2","5","6","1") = "5"
    & skf21("3","2","2","5","2","5","7","1") = "6"
    & skf21("3","2","2","5","2","6","1","1") = "5"
    & skf21("3","2","2","5","2","6","2","1") = "5"
    & skf21("3","2","2","5","2","6","3","1") = "5"
    & skf21("3","2","2","5","2","6","4","1") = "5"
    & skf21("3","2","2","5","2","6","5","1") = "5"
    & skf21("3","2","2","5","2","6","6","1") = "5"
    & skf21("3","2","2","5","2","6","7","1") = "6"
    & skf21("3","2","2","5","2","7","1","1") = "6"
    & skf21("3","2","2","5","2","7","2","1") = "6"
    & skf21("3","2","2","5","2","7","3","1") = "6"
    & skf21("3","2","2","5","2","7","4","1") = "6"
    & skf21("3","2","2","5","2","7","5","1") = "6"
    & skf21("3","2","2","5","2","7","6","1") = "6"
    & skf21("3","2","2","5","2","7","7","1") = "6"
    & skf21("3","2","2","5","3","1","1","1") = "4"
    & skf21("3","2","2","5","3","1","2","1") = "4"
    & skf21("3","2","2","5","3","1","3","1") = "4"
    & skf21("3","2","2","5","3","1","4","1") = "4"
    & skf21("3","2","2","5","3","1","5","1") = "4"
    & skf21("3","2","2","5","3","1","6","1") = "5"
    & skf21("3","2","2","5","3","1","7","1") = "6"
    & skf21("3","2","2","5","3","2","1","1") = "4"
    & skf21("3","2","2","5","3","2","2","1") = "4"
    & skf21("3","2","2","5","3","2","3","1") = "4"
    & skf21("3","2","2","5","3","2","4","1") = "4"
    & skf21("3","2","2","5","3","2","5","1") = "4"
    & skf21("3","2","2","5","3","2","6","1") = "5"
    & skf21("3","2","2","5","3","2","7","1") = "6"
    & skf21("3","2","2","5","3","3","1","1") = "4"
    & skf21("3","2","2","5","3","3","2","1") = "4"
    & skf21("3","2","2","5","3","3","3","1") = "4"
    & skf21("3","2","2","5","3","3","4","1") = "4"
    & skf21("3","2","2","5","3","3","5","1") = "4"
    & skf21("3","2","2","5","3","3","6","1") = "5"
    & skf21("3","2","2","5","3","3","7","1") = "6"
    & skf21("3","2","2","5","3","4","1","1") = "4"
    & skf21("3","2","2","5","3","4","2","1") = "4"
    & skf21("3","2","2","5","3","4","3","1") = "4"
    & skf21("3","2","2","5","3","4","4","1") = "4"
    & skf21("3","2","2","5","3","4","5","1") = "4"
    & skf21("3","2","2","5","3","4","6","1") = "5"
    & skf21("3","2","2","5","3","4","7","1") = "6"
    & skf21("3","2","2","5","3","5","1","1") = "4"
    & skf21("3","2","2","5","3","5","2","1") = "4"
    & skf21("3","2","2","5","3","5","3","1") = "4"
    & skf21("3","2","2","5","3","5","4","1") = "4"
    & skf21("3","2","2","5","3","5","5","1") = "4"
    & skf21("3","2","2","5","3","5","6","1") = "5"
    & skf21("3","2","2","5","3","5","7","1") = "6"
    & skf21("3","2","2","5","3","6","1","1") = "5"
    & skf21("3","2","2","5","3","6","2","1") = "5"
    & skf21("3","2","2","5","3","6","3","1") = "5"
    & skf21("3","2","2","5","3","6","4","1") = "5"
    & skf21("3","2","2","5","3","6","5","1") = "5"
    & skf21("3","2","2","5","3","6","6","1") = "5"
    & skf21("3","2","2","5","3","6","7","1") = "6"
    & skf21("3","2","2","5","3","7","1","1") = "6"
    & skf21("3","2","2","5","3","7","2","1") = "6"
    & skf21("3","2","2","5","3","7","3","1") = "6"
    & skf21("3","2","2","5","3","7","4","1") = "6"
    & skf21("3","2","2","5","3","7","5","1") = "6"
    & skf21("3","2","2","5","3","7","6","1") = "6"
    & skf21("3","2","2","5","3","7","7","1") = "6"
    & skf21("3","2","2","5","4","1","1","1") = "4"
    & skf21("3","2","2","5","4","1","2","1") = "4"
    & skf21("3","2","2","5","4","1","3","1") = "4"
    & skf21("3","2","2","5","4","1","4","1") = "4"
    & skf21("3","2","2","5","4","1","5","1") = "4"
    & skf21("3","2","2","5","4","1","6","1") = "5"
    & skf21("3","2","2","5","4","1","7","1") = "6"
    & skf21("3","2","2","5","4","2","1","1") = "4"
    & skf21("3","2","2","5","4","2","2","1") = "4"
    & skf21("3","2","2","5","4","2","3","1") = "4"
    & skf21("3","2","2","5","4","2","4","1") = "4"
    & skf21("3","2","2","5","4","2","5","1") = "4"
    & skf21("3","2","2","5","4","2","6","1") = "5"
    & skf21("3","2","2","5","4","2","7","1") = "6"
    & skf21("3","2","2","5","4","3","1","1") = "4"
    & skf21("3","2","2","5","4","3","2","1") = "4"
    & skf21("3","2","2","5","4","3","3","1") = "4"
    & skf21("3","2","2","5","4","3","4","1") = "4"
    & skf21("3","2","2","5","4","3","5","1") = "4"
    & skf21("3","2","2","5","4","3","6","1") = "5"
    & skf21("3","2","2","5","4","3","7","1") = "6"
    & skf21("3","2","2","5","4","4","1","1") = "4"
    & skf21("3","2","2","5","4","4","2","1") = "4"
    & skf21("3","2","2","5","4","4","3","1") = "4"
    & skf21("3","2","2","5","4","4","4","1") = "4"
    & skf21("3","2","2","5","4","4","5","1") = "4"
    & skf21("3","2","2","5","4","4","6","1") = "5"
    & skf21("3","2","2","5","4","4","7","1") = "6"
    & skf21("3","2","2","5","4","5","1","1") = "4"
    & skf21("3","2","2","5","4","5","2","1") = "4"
    & skf21("3","2","2","5","4","5","3","1") = "4"
    & skf21("3","2","2","5","4","5","4","1") = "4"
    & skf21("3","2","2","5","4","5","5","1") = "4"
    & skf21("3","2","2","5","4","5","6","1") = "5"
    & skf21("3","2","2","5","4","5","7","1") = "6"
    & skf21("3","2","2","5","4","6","1","1") = "5"
    & skf21("3","2","2","5","4","6","2","1") = "5"
    & skf21("3","2","2","5","4","6","3","1") = "5"
    & skf21("3","2","2","5","4","6","4","1") = "5"
    & skf21("3","2","2","5","4","6","5","1") = "5"
    & skf21("3","2","2","5","4","6","6","1") = "5"
    & skf21("3","2","2","5","4","6","7","1") = "6"
    & skf21("3","2","2","5","4","7","1","1") = "6"
    & skf21("3","2","2","5","4","7","2","1") = "6"
    & skf21("3","2","2","5","4","7","3","1") = "6"
    & skf21("3","2","2","5","4","7","4","1") = "6"
    & skf21("3","2","2","5","4","7","5","1") = "6"
    & skf21("3","2","2","5","4","7","6","1") = "6"
    & skf21("3","2","2","5","4","7","7","1") = "6"
    & skf21("3","2","2","5","5","1","1","1") = "4"
    & skf21("3","2","2","5","5","1","2","1") = "4"
    & skf21("3","2","2","5","5","1","3","1") = "4"
    & skf21("3","2","2","5","5","1","4","1") = "4"
    & skf21("3","2","2","5","5","1","5","1") = "4"
    & skf21("3","2","2","5","5","1","6","1") = "5"
    & skf21("3","2","2","5","5","1","7","1") = "6"
    & skf21("3","2","2","5","5","2","1","1") = "4"
    & skf21("3","2","2","5","5","2","2","1") = "4"
    & skf21("3","2","2","5","5","2","3","1") = "4"
    & skf21("3","2","2","5","5","2","4","1") = "4"
    & skf21("3","2","2","5","5","2","5","1") = "4"
    & skf21("3","2","2","5","5","2","6","1") = "5"
    & skf21("3","2","2","5","5","2","7","1") = "6"
    & skf21("3","2","2","5","5","3","1","1") = "4"
    & skf21("3","2","2","5","5","3","2","1") = "4"
    & skf21("3","2","2","5","5","3","3","1") = "4"
    & skf21("3","2","2","5","5","3","4","1") = "4"
    & skf21("3","2","2","5","5","3","5","1") = "4"
    & skf21("3","2","2","5","5","3","6","1") = "5"
    & skf21("3","2","2","5","5","3","7","1") = "6"
    & skf21("3","2","2","5","5","4","1","1") = "4"
    & skf21("3","2","2","5","5","4","2","1") = "4"
    & skf21("3","2","2","5","5","4","3","1") = "4"
    & skf21("3","2","2","5","5","4","4","1") = "4"
    & skf21("3","2","2","5","5","4","5","1") = "4"
    & skf21("3","2","2","5","5","4","6","1") = "5"
    & skf21("3","2","2","5","5","4","7","1") = "6"
    & skf21("3","2","2","5","5","5","1","1") = "4"
    & skf21("3","2","2","5","5","5","2","1") = "4"
    & skf21("3","2","2","5","5","5","3","1") = "4"
    & skf21("3","2","2","5","5","5","4","1") = "4"
    & skf21("3","2","2","5","5","5","5","1") = "4"
    & skf21("3","2","2","5","5","5","6","1") = "5"
    & skf21("3","2","2","5","5","5","7","1") = "6"
    & skf21("3","2","2","5","5","6","1","1") = "5"
    & skf21("3","2","2","5","5","6","2","1") = "5"
    & skf21("3","2","2","5","5","6","3","1") = "5"
    & skf21("3","2","2","5","5","6","4","1") = "5"
    & skf21("3","2","2","5","5","6","5","1") = "5"
    & skf21("3","2","2","5","5","6","6","1") = "5"
    & skf21("3","2","2","5","5","6","7","1") = "6"
    & skf21("3","2","2","5","5","7","1","1") = "6"
    & skf21("3","2","2","5","5","7","2","1") = "6"
    & skf21("3","2","2","5","5","7","3","1") = "6"
    & skf21("3","2","2","5","5","7","4","1") = "6"
    & skf21("3","2","2","5","5","7","5","1") = "6"
    & skf21("3","2","2","5","5","7","6","1") = "6"
    & skf21("3","2","2","5","5","7","7","1") = "6"
    & skf21("3","2","2","5","6","1","1","1") = "5"
    & skf21("3","2","2","5","6","1","2","1") = "5"
    & skf21("3","2","2","5","6","1","3","1") = "5"
    & skf21("3","2","2","5","6","1","4","1") = "5"
    & skf21("3","2","2","5","6","1","5","1") = "5"
    & skf21("3","2","2","5","6","1","6","1") = "5"
    & skf21("3","2","2","5","6","1","7","1") = "6"
    & skf21("3","2","2","5","6","2","1","1") = "5"
    & skf21("3","2","2","5","6","2","2","1") = "5"
    & skf21("3","2","2","5","6","2","3","1") = "5"
    & skf21("3","2","2","5","6","2","4","1") = "5"
    & skf21("3","2","2","5","6","2","5","1") = "5"
    & skf21("3","2","2","5","6","2","6","1") = "5"
    & skf21("3","2","2","5","6","2","7","1") = "6"
    & skf21("3","2","2","5","6","3","1","1") = "5"
    & skf21("3","2","2","5","6","3","2","1") = "5"
    & skf21("3","2","2","5","6","3","3","1") = "5"
    & skf21("3","2","2","5","6","3","4","1") = "5"
    & skf21("3","2","2","5","6","3","5","1") = "5"
    & skf21("3","2","2","5","6","3","6","1") = "5"
    & skf21("3","2","2","5","6","3","7","1") = "6"
    & skf21("3","2","2","5","6","4","1","1") = "5"
    & skf21("3","2","2","5","6","4","2","1") = "5"
    & skf21("3","2","2","5","6","4","3","1") = "5"
    & skf21("3","2","2","5","6","4","4","1") = "5"
    & skf21("3","2","2","5","6","4","5","1") = "5"
    & skf21("3","2","2","5","6","4","6","1") = "5"
    & skf21("3","2","2","5","6","4","7","1") = "6"
    & skf21("3","2","2","5","6","5","1","1") = "5"
    & skf21("3","2","2","5","6","5","2","1") = "5"
    & skf21("3","2","2","5","6","5","3","1") = "5"
    & skf21("3","2","2","5","6","5","4","1") = "5"
    & skf21("3","2","2","5","6","5","5","1") = "5"
    & skf21("3","2","2","5","6","5","6","1") = "5"
    & skf21("3","2","2","5","6","5","7","1") = "6"
    & skf21("3","2","2","5","6","6","1","1") = "5"
    & skf21("3","2","2","5","6","6","2","1") = "5"
    & skf21("3","2","2","5","6","6","3","1") = "5"
    & skf21("3","2","2","5","6","6","4","1") = "5"
    & skf21("3","2","2","5","6","6","5","1") = "5"
    & skf21("3","2","2","5","6","6","6","1") = "5"
    & skf21("3","2","2","5","6","6","7","1") = "6"
    & skf21("3","2","2","5","6","7","1","1") = "6"
    & skf21("3","2","2","5","6","7","2","1") = "6"
    & skf21("3","2","2","5","6","7","3","1") = "6"
    & skf21("3","2","2","5","6","7","4","1") = "6"
    & skf21("3","2","2","5","6","7","5","1") = "6"
    & skf21("3","2","2","5","6","7","6","1") = "6"
    & skf21("3","2","2","5","6","7","7","1") = "6"
    & skf21("3","2","2","5","7","1","1","1") = "6"
    & skf21("3","2","2","5","7","1","2","1") = "6"
    & skf21("3","2","2","5","7","1","3","1") = "6"
    & skf21("3","2","2","5","7","1","4","1") = "6"
    & skf21("3","2","2","5","7","1","5","1") = "6"
    & skf21("3","2","2","5","7","1","6","1") = "6"
    & skf21("3","2","2","5","7","1","7","1") = "6"
    & skf21("3","2","2","5","7","2","1","1") = "6"
    & skf21("3","2","2","5","7","2","2","1") = "6"
    & skf21("3","2","2","5","7","2","3","1") = "6"
    & skf21("3","2","2","5","7","2","4","1") = "6"
    & skf21("3","2","2","5","7","2","5","1") = "6"
    & skf21("3","2","2","5","7","2","6","1") = "6"
    & skf21("3","2","2","5","7","2","7","1") = "6"
    & skf21("3","2","2","5","7","3","1","1") = "6"
    & skf21("3","2","2","5","7","3","2","1") = "6"
    & skf21("3","2","2","5","7","3","3","1") = "6"
    & skf21("3","2","2","5","7","3","4","1") = "6"
    & skf21("3","2","2","5","7","3","5","1") = "6"
    & skf21("3","2","2","5","7","3","6","1") = "6"
    & skf21("3","2","2","5","7","3","7","1") = "6"
    & skf21("3","2","2","5","7","4","1","1") = "6"
    & skf21("3","2","2","5","7","4","2","1") = "6"
    & skf21("3","2","2","5","7","4","3","1") = "6"
    & skf21("3","2","2","5","7","4","4","1") = "6"
    & skf21("3","2","2","5","7","4","5","1") = "6"
    & skf21("3","2","2","5","7","4","6","1") = "6"
    & skf21("3","2","2","5","7","4","7","1") = "6"
    & skf21("3","2","2","5","7","5","1","1") = "6"
    & skf21("3","2","2","5","7","5","2","1") = "6"
    & skf21("3","2","2","5","7","5","3","1") = "6"
    & skf21("3","2","2","5","7","5","4","1") = "6"
    & skf21("3","2","2","5","7","5","5","1") = "6"
    & skf21("3","2","2","5","7","5","6","1") = "6"
    & skf21("3","2","2","5","7","5","7","1") = "6"
    & skf21("3","2","2","5","7","6","1","1") = "6"
    & skf21("3","2","2","5","7","6","2","1") = "6"
    & skf21("3","2","2","5","7","6","3","1") = "6"
    & skf21("3","2","2","5","7","6","4","1") = "6"
    & skf21("3","2","2","5","7","6","5","1") = "6"
    & skf21("3","2","2","5","7","6","6","1") = "6"
    & skf21("3","2","2","5","7","6","7","1") = "6"
    & skf21("3","2","2","5","7","7","1","1") = "6"
    & skf21("3","2","2","5","7","7","2","1") = "6"
    & skf21("3","2","2","5","7","7","3","1") = "6"
    & skf21("3","2","2","5","7","7","4","1") = "6"
    & skf21("3","2","2","5","7","7","5","1") = "6"
    & skf21("3","2","2","5","7","7","6","1") = "6"
    & skf21("3","2","2","5","7","7","7","1") = "6"
    & skf21("3","2","2","6","1","1","1","1") = "5"
    & skf21("3","2","2","6","1","1","2","1") = "5"
    & skf21("3","2","2","6","1","1","3","1") = "5"
    & skf21("3","2","2","6","1","1","4","1") = "5"
    & skf21("3","2","2","6","1","1","5","1") = "5"
    & skf21("3","2","2","6","1","1","6","1") = "5"
    & skf21("3","2","2","6","1","1","7","1") = "6"
    & skf21("3","2","2","6","1","2","1","1") = "5"
    & skf21("3","2","2","6","1","2","2","1") = "5"
    & skf21("3","2","2","6","1","2","3","1") = "5"
    & skf21("3","2","2","6","1","2","4","1") = "5"
    & skf21("3","2","2","6","1","2","5","1") = "5"
    & skf21("3","2","2","6","1","2","6","1") = "5"
    & skf21("3","2","2","6","1","2","7","1") = "6"
    & skf21("3","2","2","6","1","3","1","1") = "5"
    & skf21("3","2","2","6","1","3","2","1") = "5"
    & skf21("3","2","2","6","1","3","3","1") = "5"
    & skf21("3","2","2","6","1","3","4","1") = "5"
    & skf21("3","2","2","6","1","3","5","1") = "5"
    & skf21("3","2","2","6","1","3","6","1") = "5"
    & skf21("3","2","2","6","1","3","7","1") = "6"
    & skf21("3","2","2","6","1","4","1","1") = "5"
    & skf21("3","2","2","6","1","4","2","1") = "5"
    & skf21("3","2","2","6","1","4","3","1") = "5"
    & skf21("3","2","2","6","1","4","4","1") = "5"
    & skf21("3","2","2","6","1","4","5","1") = "5"
    & skf21("3","2","2","6","1","4","6","1") = "5"
    & skf21("3","2","2","6","1","4","7","1") = "6"
    & skf21("3","2","2","6","1","5","1","1") = "5"
    & skf21("3","2","2","6","1","5","2","1") = "5"
    & skf21("3","2","2","6","1","5","3","1") = "5"
    & skf21("3","2","2","6","1","5","4","1") = "5"
    & skf21("3","2","2","6","1","5","5","1") = "5"
    & skf21("3","2","2","6","1","5","6","1") = "5"
    & skf21("3","2","2","6","1","5","7","1") = "6"
    & skf21("3","2","2","6","1","6","1","1") = "5"
    & skf21("3","2","2","6","1","6","2","1") = "5"
    & skf21("3","2","2","6","1","6","3","1") = "5"
    & skf21("3","2","2","6","1","6","4","1") = "5"
    & skf21("3","2","2","6","1","6","5","1") = "5"
    & skf21("3","2","2","6","1","6","6","1") = "5"
    & skf21("3","2","2","6","1","6","7","1") = "6"
    & skf21("3","2","2","6","1","7","1","1") = "6"
    & skf21("3","2","2","6","1","7","2","1") = "6"
    & skf21("3","2","2","6","1","7","3","1") = "6"
    & skf21("3","2","2","6","1","7","4","1") = "6"
    & skf21("3","2","2","6","1","7","5","1") = "6"
    & skf21("3","2","2","6","1","7","6","1") = "6"
    & skf21("3","2","2","6","1","7","7","1") = "6"
    & skf21("3","2","2","6","2","1","1","1") = "5"
    & skf21("3","2","2","6","2","1","2","1") = "5"
    & skf21("3","2","2","6","2","1","3","1") = "5"
    & skf21("3","2","2","6","2","1","4","1") = "5"
    & skf21("3","2","2","6","2","1","5","1") = "5"
    & skf21("3","2","2","6","2","1","6","1") = "5"
    & skf21("3","2","2","6","2","1","7","1") = "6"
    & skf21("3","2","2","6","2","2","1","1") = "5"
    & skf21("3","2","2","6","2","2","2","1") = "5"
    & skf21("3","2","2","6","2","2","3","1") = "5"
    & skf21("3","2","2","6","2","2","4","1") = "5"
    & skf21("3","2","2","6","2","2","5","1") = "5"
    & skf21("3","2","2","6","2","2","6","1") = "5"
    & skf21("3","2","2","6","2","2","7","1") = "6"
    & skf21("3","2","2","6","2","3","1","1") = "5"
    & skf21("3","2","2","6","2","3","2","1") = "5"
    & skf21("3","2","2","6","2","3","3","1") = "5"
    & skf21("3","2","2","6","2","3","4","1") = "5"
    & skf21("3","2","2","6","2","3","5","1") = "5"
    & skf21("3","2","2","6","2","3","6","1") = "5"
    & skf21("3","2","2","6","2","3","7","1") = "6"
    & skf21("3","2","2","6","2","4","1","1") = "5"
    & skf21("3","2","2","6","2","4","2","1") = "5"
    & skf21("3","2","2","6","2","4","3","1") = "5"
    & skf21("3","2","2","6","2","4","4","1") = "5"
    & skf21("3","2","2","6","2","4","5","1") = "5"
    & skf21("3","2","2","6","2","4","6","1") = "5"
    & skf21("3","2","2","6","2","4","7","1") = "6"
    & skf21("3","2","2","6","2","5","1","1") = "5"
    & skf21("3","2","2","6","2","5","2","1") = "5"
    & skf21("3","2","2","6","2","5","3","1") = "5"
    & skf21("3","2","2","6","2","5","4","1") = "5"
    & skf21("3","2","2","6","2","5","5","1") = "5"
    & skf21("3","2","2","6","2","5","6","1") = "5"
    & skf21("3","2","2","6","2","5","7","1") = "6"
    & skf21("3","2","2","6","2","6","1","1") = "5"
    & skf21("3","2","2","6","2","6","2","1") = "5"
    & skf21("3","2","2","6","2","6","3","1") = "5"
    & skf21("3","2","2","6","2","6","4","1") = "5"
    & skf21("3","2","2","6","2","6","5","1") = "5"
    & skf21("3","2","2","6","2","6","6","1") = "5"
    & skf21("3","2","2","6","2","6","7","1") = "6"
    & skf21("3","2","2","6","2","7","1","1") = "6"
    & skf21("3","2","2","6","2","7","2","1") = "6"
    & skf21("3","2","2","6","2","7","3","1") = "6"
    & skf21("3","2","2","6","2","7","4","1") = "6"
    & skf21("3","2","2","6","2","7","5","1") = "6"
    & skf21("3","2","2","6","2","7","6","1") = "6"
    & skf21("3","2","2","6","2","7","7","1") = "6"
    & skf21("3","2","2","6","3","1","1","1") = "5"
    & skf21("3","2","2","6","3","1","2","1") = "5"
    & skf21("3","2","2","6","3","1","3","1") = "5"
    & skf21("3","2","2","6","3","1","4","1") = "5"
    & skf21("3","2","2","6","3","1","5","1") = "5"
    & skf21("3","2","2","6","3","1","6","1") = "5"
    & skf21("3","2","2","6","3","1","7","1") = "6"
    & skf21("3","2","2","6","3","2","1","1") = "5"
    & skf21("3","2","2","6","3","2","2","1") = "5"
    & skf21("3","2","2","6","3","2","3","1") = "5"
    & skf21("3","2","2","6","3","2","4","1") = "5"
    & skf21("3","2","2","6","3","2","5","1") = "5"
    & skf21("3","2","2","6","3","2","6","1") = "5"
    & skf21("3","2","2","6","3","2","7","1") = "6"
    & skf21("3","2","2","6","3","3","1","1") = "5"
    & skf21("3","2","2","6","3","3","2","1") = "5"
    & skf21("3","2","2","6","3","3","3","1") = "5"
    & skf21("3","2","2","6","3","3","4","1") = "5"
    & skf21("3","2","2","6","3","3","5","1") = "5"
    & skf21("3","2","2","6","3","3","6","1") = "5"
    & skf21("3","2","2","6","3","3","7","1") = "6"
    & skf21("3","2","2","6","3","4","1","1") = "5"
    & skf21("3","2","2","6","3","4","2","1") = "5"
    & skf21("3","2","2","6","3","4","3","1") = "5"
    & skf21("3","2","2","6","3","4","4","1") = "5"
    & skf21("3","2","2","6","3","4","5","1") = "5"
    & skf21("3","2","2","6","3","4","6","1") = "5"
    & skf21("3","2","2","6","3","4","7","1") = "6"
    & skf21("3","2","2","6","3","5","1","1") = "5"
    & skf21("3","2","2","6","3","5","2","1") = "5"
    & skf21("3","2","2","6","3","5","3","1") = "5"
    & skf21("3","2","2","6","3","5","4","1") = "5"
    & skf21("3","2","2","6","3","5","5","1") = "5"
    & skf21("3","2","2","6","3","5","6","1") = "5"
    & skf21("3","2","2","6","3","5","7","1") = "6"
    & skf21("3","2","2","6","3","6","1","1") = "5"
    & skf21("3","2","2","6","3","6","2","1") = "5"
    & skf21("3","2","2","6","3","6","3","1") = "5"
    & skf21("3","2","2","6","3","6","4","1") = "5"
    & skf21("3","2","2","6","3","6","5","1") = "5"
    & skf21("3","2","2","6","3","6","6","1") = "5"
    & skf21("3","2","2","6","3","6","7","1") = "6"
    & skf21("3","2","2","6","3","7","1","1") = "6"
    & skf21("3","2","2","6","3","7","2","1") = "6"
    & skf21("3","2","2","6","3","7","3","1") = "6"
    & skf21("3","2","2","6","3","7","4","1") = "6"
    & skf21("3","2","2","6","3","7","5","1") = "6"
    & skf21("3","2","2","6","3","7","6","1") = "6"
    & skf21("3","2","2","6","3","7","7","1") = "6"
    & skf21("3","2","2","6","4","1","1","1") = "5"
    & skf21("3","2","2","6","4","1","2","1") = "5"
    & skf21("3","2","2","6","4","1","3","1") = "5"
    & skf21("3","2","2","6","4","1","4","1") = "5"
    & skf21("3","2","2","6","4","1","5","1") = "5"
    & skf21("3","2","2","6","4","1","6","1") = "5"
    & skf21("3","2","2","6","4","1","7","1") = "6"
    & skf21("3","2","2","6","4","2","1","1") = "5"
    & skf21("3","2","2","6","4","2","2","1") = "5"
    & skf21("3","2","2","6","4","2","3","1") = "5"
    & skf21("3","2","2","6","4","2","4","1") = "5"
    & skf21("3","2","2","6","4","2","5","1") = "5"
    & skf21("3","2","2","6","4","2","6","1") = "5"
    & skf21("3","2","2","6","4","2","7","1") = "6"
    & skf21("3","2","2","6","4","3","1","1") = "5"
    & skf21("3","2","2","6","4","3","2","1") = "5"
    & skf21("3","2","2","6","4","3","3","1") = "5"
    & skf21("3","2","2","6","4","3","4","1") = "5"
    & skf21("3","2","2","6","4","3","5","1") = "5"
    & skf21("3","2","2","6","4","3","6","1") = "5"
    & skf21("3","2","2","6","4","3","7","1") = "6"
    & skf21("3","2","2","6","4","4","1","1") = "5"
    & skf21("3","2","2","6","4","4","2","1") = "5"
    & skf21("3","2","2","6","4","4","3","1") = "5"
    & skf21("3","2","2","6","4","4","4","1") = "5"
    & skf21("3","2","2","6","4","4","5","1") = "5"
    & skf21("3","2","2","6","4","4","6","1") = "5"
    & skf21("3","2","2","6","4","4","7","1") = "6"
    & skf21("3","2","2","6","4","5","1","1") = "5"
    & skf21("3","2","2","6","4","5","2","1") = "5"
    & skf21("3","2","2","6","4","5","3","1") = "5"
    & skf21("3","2","2","6","4","5","4","1") = "5"
    & skf21("3","2","2","6","4","5","5","1") = "5"
    & skf21("3","2","2","6","4","5","6","1") = "5"
    & skf21("3","2","2","6","4","5","7","1") = "6"
    & skf21("3","2","2","6","4","6","1","1") = "5"
    & skf21("3","2","2","6","4","6","2","1") = "5"
    & skf21("3","2","2","6","4","6","3","1") = "5"
    & skf21("3","2","2","6","4","6","4","1") = "5"
    & skf21("3","2","2","6","4","6","5","1") = "5"
    & skf21("3","2","2","6","4","6","6","1") = "5"
    & skf21("3","2","2","6","4","6","7","1") = "6"
    & skf21("3","2","2","6","4","7","1","1") = "6"
    & skf21("3","2","2","6","4","7","2","1") = "6"
    & skf21("3","2","2","6","4","7","3","1") = "6"
    & skf21("3","2","2","6","4","7","4","1") = "6"
    & skf21("3","2","2","6","4","7","5","1") = "6"
    & skf21("3","2","2","6","4","7","6","1") = "6"
    & skf21("3","2","2","6","4","7","7","1") = "6"
    & skf21("3","2","2","6","5","1","1","1") = "5"
    & skf21("3","2","2","6","5","1","2","1") = "5"
    & skf21("3","2","2","6","5","1","3","1") = "5"
    & skf21("3","2","2","6","5","1","4","1") = "5"
    & skf21("3","2","2","6","5","1","5","1") = "5"
    & skf21("3","2","2","6","5","1","6","1") = "5"
    & skf21("3","2","2","6","5","1","7","1") = "6"
    & skf21("3","2","2","6","5","2","1","1") = "5"
    & skf21("3","2","2","6","5","2","2","1") = "5"
    & skf21("3","2","2","6","5","2","3","1") = "5"
    & skf21("3","2","2","6","5","2","4","1") = "5"
    & skf21("3","2","2","6","5","2","5","1") = "5"
    & skf21("3","2","2","6","5","2","6","1") = "5"
    & skf21("3","2","2","6","5","2","7","1") = "6"
    & skf21("3","2","2","6","5","3","1","1") = "5"
    & skf21("3","2","2","6","5","3","2","1") = "5"
    & skf21("3","2","2","6","5","3","3","1") = "5"
    & skf21("3","2","2","6","5","3","4","1") = "5"
    & skf21("3","2","2","6","5","3","5","1") = "5"
    & skf21("3","2","2","6","5","3","6","1") = "5"
    & skf21("3","2","2","6","5","3","7","1") = "6"
    & skf21("3","2","2","6","5","4","1","1") = "5"
    & skf21("3","2","2","6","5","4","2","1") = "5"
    & skf21("3","2","2","6","5","4","3","1") = "5"
    & skf21("3","2","2","6","5","4","4","1") = "5"
    & skf21("3","2","2","6","5","4","5","1") = "5"
    & skf21("3","2","2","6","5","4","6","1") = "5"
    & skf21("3","2","2","6","5","4","7","1") = "6"
    & skf21("3","2","2","6","5","5","1","1") = "5"
    & skf21("3","2","2","6","5","5","2","1") = "5"
    & skf21("3","2","2","6","5","5","3","1") = "5"
    & skf21("3","2","2","6","5","5","4","1") = "5"
    & skf21("3","2","2","6","5","5","5","1") = "5"
    & skf21("3","2","2","6","5","5","6","1") = "5"
    & skf21("3","2","2","6","5","5","7","1") = "6"
    & skf21("3","2","2","6","5","6","1","1") = "5"
    & skf21("3","2","2","6","5","6","2","1") = "5"
    & skf21("3","2","2","6","5","6","3","1") = "5"
    & skf21("3","2","2","6","5","6","4","1") = "5"
    & skf21("3","2","2","6","5","6","5","1") = "5"
    & skf21("3","2","2","6","5","6","6","1") = "5"
    & skf21("3","2","2","6","5","6","7","1") = "6"
    & skf21("3","2","2","6","5","7","1","1") = "6"
    & skf21("3","2","2","6","5","7","2","1") = "6"
    & skf21("3","2","2","6","5","7","3","1") = "6"
    & skf21("3","2","2","6","5","7","4","1") = "6"
    & skf21("3","2","2","6","5","7","5","1") = "6"
    & skf21("3","2","2","6","5","7","6","1") = "6"
    & skf21("3","2","2","6","5","7","7","1") = "6"
    & skf21("3","2","2","6","6","1","1","1") = "5"
    & skf21("3","2","2","6","6","1","2","1") = "5"
    & skf21("3","2","2","6","6","1","3","1") = "5"
    & skf21("3","2","2","6","6","1","4","1") = "5"
    & skf21("3","2","2","6","6","1","5","1") = "5"
    & skf21("3","2","2","6","6","1","6","1") = "5"
    & skf21("3","2","2","6","6","1","7","1") = "6"
    & skf21("3","2","2","6","6","2","1","1") = "5"
    & skf21("3","2","2","6","6","2","2","1") = "5"
    & skf21("3","2","2","6","6","2","3","1") = "5"
    & skf21("3","2","2","6","6","2","4","1") = "5"
    & skf21("3","2","2","6","6","2","5","1") = "5"
    & skf21("3","2","2","6","6","2","6","1") = "5"
    & skf21("3","2","2","6","6","2","7","1") = "6"
    & skf21("3","2","2","6","6","3","1","1") = "5"
    & skf21("3","2","2","6","6","3","2","1") = "5"
    & skf21("3","2","2","6","6","3","3","1") = "5"
    & skf21("3","2","2","6","6","3","4","1") = "5"
    & skf21("3","2","2","6","6","3","5","1") = "5"
    & skf21("3","2","2","6","6","3","6","1") = "5"
    & skf21("3","2","2","6","6","3","7","1") = "6"
    & skf21("3","2","2","6","6","4","1","1") = "5"
    & skf21("3","2","2","6","6","4","2","1") = "5"
    & skf21("3","2","2","6","6","4","3","1") = "5"
    & skf21("3","2","2","6","6","4","4","1") = "5"
    & skf21("3","2","2","6","6","4","5","1") = "5"
    & skf21("3","2","2","6","6","4","6","1") = "5"
    & skf21("3","2","2","6","6","4","7","1") = "6"
    & skf21("3","2","2","6","6","5","1","1") = "5"
    & skf21("3","2","2","6","6","5","2","1") = "5"
    & skf21("3","2","2","6","6","5","3","1") = "5"
    & skf21("3","2","2","6","6","5","4","1") = "5"
    & skf21("3","2","2","6","6","5","5","1") = "5"
    & skf21("3","2","2","6","6","5","6","1") = "5"
    & skf21("3","2","2","6","6","5","7","1") = "6"
    & skf21("3","2","2","6","6","6","1","1") = "5"
    & skf21("3","2","2","6","6","6","2","1") = "5"
    & skf21("3","2","2","6","6","6","3","1") = "5"
    & skf21("3","2","2","6","6","6","4","1") = "5"
    & skf21("3","2","2","6","6","6","5","1") = "5"
    & skf21("3","2","2","6","6","6","6","1") = "5"
    & skf21("3","2","2","6","6","6","7","1") = "6"
    & skf21("3","2","2","6","6","7","1","1") = "6"
    & skf21("3","2","2","6","6","7","2","1") = "6"
    & skf21("3","2","2","6","6","7","3","1") = "6"
    & skf21("3","2","2","6","6","7","4","1") = "6"
    & skf21("3","2","2","6","6","7","5","1") = "6"
    & skf21("3","2","2","6","6","7","6","1") = "6"
    & skf21("3","2","2","6","6","7","7","1") = "6"
    & skf21("3","2","2","6","7","1","1","1") = "6"
    & skf21("3","2","2","6","7","1","2","1") = "6"
    & skf21("3","2","2","6","7","1","3","1") = "6"
    & skf21("3","2","2","6","7","1","4","1") = "6"
    & skf21("3","2","2","6","7","1","5","1") = "6"
    & skf21("3","2","2","6","7","1","6","1") = "6"
    & skf21("3","2","2","6","7","1","7","1") = "6"
    & skf21("3","2","2","6","7","2","1","1") = "6"
    & skf21("3","2","2","6","7","2","2","1") = "6"
    & skf21("3","2","2","6","7","2","3","1") = "6"
    & skf21("3","2","2","6","7","2","4","1") = "6"
    & skf21("3","2","2","6","7","2","5","1") = "6"
    & skf21("3","2","2","6","7","2","6","1") = "6"
    & skf21("3","2","2","6","7","2","7","1") = "6"
    & skf21("3","2","2","6","7","3","1","1") = "6"
    & skf21("3","2","2","6","7","3","2","1") = "6"
    & skf21("3","2","2","6","7","3","3","1") = "6"
    & skf21("3","2","2","6","7","3","4","1") = "6"
    & skf21("3","2","2","6","7","3","5","1") = "6"
    & skf21("3","2","2","6","7","3","6","1") = "6"
    & skf21("3","2","2","6","7","3","7","1") = "6"
    & skf21("3","2","2","6","7","4","1","1") = "6"
    & skf21("3","2","2","6","7","4","2","1") = "6"
    & skf21("3","2","2","6","7","4","3","1") = "6"
    & skf21("3","2","2","6","7","4","4","1") = "6"
    & skf21("3","2","2","6","7","4","5","1") = "6"
    & skf21("3","2","2","6","7","4","6","1") = "6"
    & skf21("3","2","2","6","7","4","7","1") = "6"
    & skf21("3","2","2","6","7","5","1","1") = "6"
    & skf21("3","2","2","6","7","5","2","1") = "6"
    & skf21("3","2","2","6","7","5","3","1") = "6"
    & skf21("3","2","2","6","7","5","4","1") = "6"
    & skf21("3","2","2","6","7","5","5","1") = "6"
    & skf21("3","2","2","6","7","5","6","1") = "6"
    & skf21("3","2","2","6","7","5","7","1") = "6"
    & skf21("3","2","2","6","7","6","1","1") = "6"
    & skf21("3","2","2","6","7","6","2","1") = "6"
    & skf21("3","2","2","6","7","6","3","1") = "6"
    & skf21("3","2","2","6","7","6","4","1") = "6"
    & skf21("3","2","2","6","7","6","5","1") = "6"
    & skf21("3","2","2","6","7","6","6","1") = "6"
    & skf21("3","2","2","6","7","6","7","1") = "6"
    & skf21("3","2","2","6","7","7","1","1") = "6"
    & skf21("3","2","2","6","7","7","2","1") = "6"
    & skf21("3","2","2","6","7","7","3","1") = "6"
    & skf21("3","2","2","6","7","7","4","1") = "6"
    & skf21("3","2","2","6","7","7","5","1") = "6"
    & skf21("3","2","2","6","7","7","6","1") = "6"
    & skf21("3","2","2","6","7","7","7","1") = "6"
    & skf21("3","2","2","7","1","1","1","1") = "6"
    & skf21("3","2","2","7","1","1","2","1") = "6"
    & skf21("3","2","2","7","1","1","3","1") = "6"
    & skf21("3","2","2","7","1","1","4","1") = "6"
    & skf21("3","2","2","7","1","1","5","1") = "6"
    & skf21("3","2","2","7","1","1","6","1") = "6"
    & skf21("3","2","2","7","1","1","7","1") = "6"
    & skf21("3","2","2","7","1","2","1","1") = "6"
    & skf21("3","2","2","7","1","2","2","1") = "6"
    & skf21("3","2","2","7","1","2","3","1") = "6"
    & skf21("3","2","2","7","1","2","4","1") = "6"
    & skf21("3","2","2","7","1","2","5","1") = "6"
    & skf21("3","2","2","7","1","2","6","1") = "6"
    & skf21("3","2","2","7","1","2","7","1") = "6"
    & skf21("3","2","2","7","1","3","1","1") = "6"
    & skf21("3","2","2","7","1","3","2","1") = "6"
    & skf21("3","2","2","7","1","3","3","1") = "6"
    & skf21("3","2","2","7","1","3","4","1") = "6"
    & skf21("3","2","2","7","1","3","5","1") = "6"
    & skf21("3","2","2","7","1","3","6","1") = "6"
    & skf21("3","2","2","7","1","3","7","1") = "6"
    & skf21("3","2","2","7","1","4","1","1") = "6"
    & skf21("3","2","2","7","1","4","2","1") = "6"
    & skf21("3","2","2","7","1","4","3","1") = "6"
    & skf21("3","2","2","7","1","4","4","1") = "6"
    & skf21("3","2","2","7","1","4","5","1") = "6"
    & skf21("3","2","2","7","1","4","6","1") = "6"
    & skf21("3","2","2","7","1","4","7","1") = "6"
    & skf21("3","2","2","7","1","5","1","1") = "6"
    & skf21("3","2","2","7","1","5","2","1") = "6"
    & skf21("3","2","2","7","1","5","3","1") = "6"
    & skf21("3","2","2","7","1","5","4","1") = "6"
    & skf21("3","2","2","7","1","5","5","1") = "6"
    & skf21("3","2","2","7","1","5","6","1") = "6"
    & skf21("3","2","2","7","1","5","7","1") = "6"
    & skf21("3","2","2","7","1","6","1","1") = "6"
    & skf21("3","2","2","7","1","6","2","1") = "6"
    & skf21("3","2","2","7","1","6","3","1") = "6"
    & skf21("3","2","2","7","1","6","4","1") = "6"
    & skf21("3","2","2","7","1","6","5","1") = "6"
    & skf21("3","2","2","7","1","6","6","1") = "6"
    & skf21("3","2","2","7","1","6","7","1") = "6"
    & skf21("3","2","2","7","1","7","1","1") = "6"
    & skf21("3","2","2","7","1","7","2","1") = "6"
    & skf21("3","2","2","7","1","7","3","1") = "6"
    & skf21("3","2","2","7","1","7","4","1") = "6"
    & skf21("3","2","2","7","1","7","5","1") = "6"
    & skf21("3","2","2","7","1","7","6","1") = "6"
    & skf21("3","2","2","7","1","7","7","1") = "6"
    & skf21("3","2","2","7","2","1","1","1") = "6"
    & skf21("3","2","2","7","2","1","2","1") = "6"
    & skf21("3","2","2","7","2","1","3","1") = "6"
    & skf21("3","2","2","7","2","1","4","1") = "6"
    & skf21("3","2","2","7","2","1","5","1") = "6"
    & skf21("3","2","2","7","2","1","6","1") = "6"
    & skf21("3","2","2","7","2","1","7","1") = "6"
    & skf21("3","2","2","7","2","2","1","1") = "6"
    & skf21("3","2","2","7","2","2","2","1") = "6"
    & skf21("3","2","2","7","2","2","3","1") = "6"
    & skf21("3","2","2","7","2","2","4","1") = "6"
    & skf21("3","2","2","7","2","2","5","1") = "6"
    & skf21("3","2","2","7","2","2","6","1") = "6"
    & skf21("3","2","2","7","2","2","7","1") = "6"
    & skf21("3","2","2","7","2","3","1","1") = "6"
    & skf21("3","2","2","7","2","3","2","1") = "6"
    & skf21("3","2","2","7","2","3","3","1") = "6"
    & skf21("3","2","2","7","2","3","4","1") = "6"
    & skf21("3","2","2","7","2","3","5","1") = "6"
    & skf21("3","2","2","7","2","3","6","1") = "6"
    & skf21("3","2","2","7","2","3","7","1") = "6"
    & skf21("3","2","2","7","2","4","1","1") = "6"
    & skf21("3","2","2","7","2","4","2","1") = "6"
    & skf21("3","2","2","7","2","4","3","1") = "6"
    & skf21("3","2","2","7","2","4","4","1") = "6"
    & skf21("3","2","2","7","2","4","5","1") = "6"
    & skf21("3","2","2","7","2","4","6","1") = "6"
    & skf21("3","2","2","7","2","4","7","1") = "6"
    & skf21("3","2","2","7","2","5","1","1") = "6"
    & skf21("3","2","2","7","2","5","2","1") = "6"
    & skf21("3","2","2","7","2","5","3","1") = "6"
    & skf21("3","2","2","7","2","5","4","1") = "6"
    & skf21("3","2","2","7","2","5","5","1") = "6"
    & skf21("3","2","2","7","2","5","6","1") = "6"
    & skf21("3","2","2","7","2","5","7","1") = "6"
    & skf21("3","2","2","7","2","6","1","1") = "6"
    & skf21("3","2","2","7","2","6","2","1") = "6"
    & skf21("3","2","2","7","2","6","3","1") = "6"
    & skf21("3","2","2","7","2","6","4","1") = "6"
    & skf21("3","2","2","7","2","6","5","1") = "6"
    & skf21("3","2","2","7","2","6","6","1") = "6"
    & skf21("3","2","2","7","2","6","7","1") = "6"
    & skf21("3","2","2","7","2","7","1","1") = "6"
    & skf21("3","2","2","7","2","7","2","1") = "6"
    & skf21("3","2","2","7","2","7","3","1") = "6"
    & skf21("3","2","2","7","2","7","4","1") = "6"
    & skf21("3","2","2","7","2","7","5","1") = "6"
    & skf21("3","2","2","7","2","7","6","1") = "6"
    & skf21("3","2","2","7","2","7","7","1") = "6"
    & skf21("3","2","2","7","3","1","1","1") = "6"
    & skf21("3","2","2","7","3","1","2","1") = "6"
    & skf21("3","2","2","7","3","1","3","1") = "6"
    & skf21("3","2","2","7","3","1","4","1") = "6"
    & skf21("3","2","2","7","3","1","5","1") = "6"
    & skf21("3","2","2","7","3","1","6","1") = "6"
    & skf21("3","2","2","7","3","1","7","1") = "6"
    & skf21("3","2","2","7","3","2","1","1") = "6"
    & skf21("3","2","2","7","3","2","2","1") = "6"
    & skf21("3","2","2","7","3","2","3","1") = "6"
    & skf21("3","2","2","7","3","2","4","1") = "6"
    & skf21("3","2","2","7","3","2","5","1") = "6"
    & skf21("3","2","2","7","3","2","6","1") = "6"
    & skf21("3","2","2","7","3","2","7","1") = "6"
    & skf21("3","2","2","7","3","3","1","1") = "6"
    & skf21("3","2","2","7","3","3","2","1") = "6"
    & skf21("3","2","2","7","3","3","3","1") = "6"
    & skf21("3","2","2","7","3","3","4","1") = "6"
    & skf21("3","2","2","7","3","3","5","1") = "6"
    & skf21("3","2","2","7","3","3","6","1") = "6"
    & skf21("3","2","2","7","3","3","7","1") = "6"
    & skf21("3","2","2","7","3","4","1","1") = "6"
    & skf21("3","2","2","7","3","4","2","1") = "6"
    & skf21("3","2","2","7","3","4","3","1") = "6"
    & skf21("3","2","2","7","3","4","4","1") = "6"
    & skf21("3","2","2","7","3","4","5","1") = "6"
    & skf21("3","2","2","7","3","4","6","1") = "6"
    & skf21("3","2","2","7","3","4","7","1") = "6"
    & skf21("3","2","2","7","3","5","1","1") = "6"
    & skf21("3","2","2","7","3","5","2","1") = "6"
    & skf21("3","2","2","7","3","5","3","1") = "6"
    & skf21("3","2","2","7","3","5","4","1") = "6"
    & skf21("3","2","2","7","3","5","5","1") = "6"
    & skf21("3","2","2","7","3","5","6","1") = "6"
    & skf21("3","2","2","7","3","5","7","1") = "6"
    & skf21("3","2","2","7","3","6","1","1") = "6"
    & skf21("3","2","2","7","3","6","2","1") = "6"
    & skf21("3","2","2","7","3","6","3","1") = "6"
    & skf21("3","2","2","7","3","6","4","1") = "6"
    & skf21("3","2","2","7","3","6","5","1") = "6"
    & skf21("3","2","2","7","3","6","6","1") = "6"
    & skf21("3","2","2","7","3","6","7","1") = "6"
    & skf21("3","2","2","7","3","7","1","1") = "6"
    & skf21("3","2","2","7","3","7","2","1") = "6"
    & skf21("3","2","2","7","3","7","3","1") = "6"
    & skf21("3","2","2","7","3","7","4","1") = "6"
    & skf21("3","2","2","7","3","7","5","1") = "6"
    & skf21("3","2","2","7","3","7","6","1") = "6"
    & skf21("3","2","2","7","3","7","7","1") = "6"
    & skf21("3","2","2","7","4","1","1","1") = "6"
    & skf21("3","2","2","7","4","1","2","1") = "6"
    & skf21("3","2","2","7","4","1","3","1") = "6"
    & skf21("3","2","2","7","4","1","4","1") = "6"
    & skf21("3","2","2","7","4","1","5","1") = "6"
    & skf21("3","2","2","7","4","1","6","1") = "6"
    & skf21("3","2","2","7","4","1","7","1") = "6"
    & skf21("3","2","2","7","4","2","1","1") = "6"
    & skf21("3","2","2","7","4","2","2","1") = "6"
    & skf21("3","2","2","7","4","2","3","1") = "6"
    & skf21("3","2","2","7","4","2","4","1") = "6"
    & skf21("3","2","2","7","4","2","5","1") = "6"
    & skf21("3","2","2","7","4","2","6","1") = "6"
    & skf21("3","2","2","7","4","2","7","1") = "6"
    & skf21("3","2","2","7","4","3","1","1") = "6"
    & skf21("3","2","2","7","4","3","2","1") = "6"
    & skf21("3","2","2","7","4","3","3","1") = "6"
    & skf21("3","2","2","7","4","3","4","1") = "6"
    & skf21("3","2","2","7","4","3","5","1") = "6"
    & skf21("3","2","2","7","4","3","6","1") = "6"
    & skf21("3","2","2","7","4","3","7","1") = "6"
    & skf21("3","2","2","7","4","4","1","1") = "6"
    & skf21("3","2","2","7","4","4","2","1") = "6"
    & skf21("3","2","2","7","4","4","3","1") = "6"
    & skf21("3","2","2","7","4","4","4","1") = "6"
    & skf21("3","2","2","7","4","4","5","1") = "6"
    & skf21("3","2","2","7","4","4","6","1") = "6"
    & skf21("3","2","2","7","4","4","7","1") = "6"
    & skf21("3","2","2","7","4","5","1","1") = "6"
    & skf21("3","2","2","7","4","5","2","1") = "6"
    & skf21("3","2","2","7","4","5","3","1") = "6"
    & skf21("3","2","2","7","4","5","4","1") = "6"
    & skf21("3","2","2","7","4","5","5","1") = "6"
    & skf21("3","2","2","7","4","5","6","1") = "6"
    & skf21("3","2","2","7","4","5","7","1") = "6"
    & skf21("3","2","2","7","4","6","1","1") = "6"
    & skf21("3","2","2","7","4","6","2","1") = "6"
    & skf21("3","2","2","7","4","6","3","1") = "6"
    & skf21("3","2","2","7","4","6","4","1") = "6"
    & skf21("3","2","2","7","4","6","5","1") = "6"
    & skf21("3","2","2","7","4","6","6","1") = "6"
    & skf21("3","2","2","7","4","6","7","1") = "6"
    & skf21("3","2","2","7","4","7","1","1") = "6"
    & skf21("3","2","2","7","4","7","2","1") = "6"
    & skf21("3","2","2","7","4","7","3","1") = "6"
    & skf21("3","2","2","7","4","7","4","1") = "6"
    & skf21("3","2","2","7","4","7","5","1") = "6"
    & skf21("3","2","2","7","4","7","6","1") = "6"
    & skf21("3","2","2","7","4","7","7","1") = "6"
    & skf21("3","2","2","7","5","1","1","1") = "6"
    & skf21("3","2","2","7","5","1","2","1") = "6"
    & skf21("3","2","2","7","5","1","3","1") = "6"
    & skf21("3","2","2","7","5","1","4","1") = "6"
    & skf21("3","2","2","7","5","1","5","1") = "6"
    & skf21("3","2","2","7","5","1","6","1") = "6"
    & skf21("3","2","2","7","5","1","7","1") = "6"
    & skf21("3","2","2","7","5","2","1","1") = "6"
    & skf21("3","2","2","7","5","2","2","1") = "6"
    & skf21("3","2","2","7","5","2","3","1") = "6"
    & skf21("3","2","2","7","5","2","4","1") = "6"
    & skf21("3","2","2","7","5","2","5","1") = "6"
    & skf21("3","2","2","7","5","2","6","1") = "6"
    & skf21("3","2","2","7","5","2","7","1") = "6"
    & skf21("3","2","2","7","5","3","1","1") = "6"
    & skf21("3","2","2","7","5","3","2","1") = "6"
    & skf21("3","2","2","7","5","3","3","1") = "6"
    & skf21("3","2","2","7","5","3","4","1") = "6"
    & skf21("3","2","2","7","5","3","5","1") = "6"
    & skf21("3","2","2","7","5","3","6","1") = "6"
    & skf21("3","2","2","7","5","3","7","1") = "6"
    & skf21("3","2","2","7","5","4","1","1") = "6"
    & skf21("3","2","2","7","5","4","2","1") = "6"
    & skf21("3","2","2","7","5","4","3","1") = "6"
    & skf21("3","2","2","7","5","4","4","1") = "6"
    & skf21("3","2","2","7","5","4","5","1") = "6"
    & skf21("3","2","2","7","5","4","6","1") = "6"
    & skf21("3","2","2","7","5","4","7","1") = "6"
    & skf21("3","2","2","7","5","5","1","1") = "6"
    & skf21("3","2","2","7","5","5","2","1") = "6"
    & skf21("3","2","2","7","5","5","3","1") = "6"
    & skf21("3","2","2","7","5","5","4","1") = "6"
    & skf21("3","2","2","7","5","5","5","1") = "6"
    & skf21("3","2","2","7","5","5","6","1") = "6"
    & skf21("3","2","2","7","5","5","7","1") = "6"
    & skf21("3","2","2","7","5","6","1","1") = "6"
    & skf21("3","2","2","7","5","6","2","1") = "6"
    & skf21("3","2","2","7","5","6","3","1") = "6"
    & skf21("3","2","2","7","5","6","4","1") = "6"
    & skf21("3","2","2","7","5","6","5","1") = "6"
    & skf21("3","2","2","7","5","6","6","1") = "6"
    & skf21("3","2","2","7","5","6","7","1") = "6"
    & skf21("3","2","2","7","5","7","1","1") = "6"
    & skf21("3","2","2","7","5","7","2","1") = "6"
    & skf21("3","2","2","7","5","7","3","1") = "6"
    & skf21("3","2","2","7","5","7","4","1") = "6"
    & skf21("3","2","2","7","5","7","5","1") = "6"
    & skf21("3","2","2","7","5","7","6","1") = "6"
    & skf21("3","2","2","7","5","7","7","1") = "6"
    & skf21("3","2","2","7","6","1","1","1") = "6"
    & skf21("3","2","2","7","6","1","2","1") = "6"
    & skf21("3","2","2","7","6","1","3","1") = "6"
    & skf21("3","2","2","7","6","1","4","1") = "6"
    & skf21("3","2","2","7","6","1","5","1") = "6"
    & skf21("3","2","2","7","6","1","6","1") = "6"
    & skf21("3","2","2","7","6","1","7","1") = "6"
    & skf21("3","2","2","7","6","2","1","1") = "6"
    & skf21("3","2","2","7","6","2","2","1") = "6"
    & skf21("3","2","2","7","6","2","3","1") = "6"
    & skf21("3","2","2","7","6","2","4","1") = "6"
    & skf21("3","2","2","7","6","2","5","1") = "6"
    & skf21("3","2","2","7","6","2","6","1") = "6"
    & skf21("3","2","2","7","6","2","7","1") = "6"
    & skf21("3","2","2","7","6","3","1","1") = "6"
    & skf21("3","2","2","7","6","3","2","1") = "6"
    & skf21("3","2","2","7","6","3","3","1") = "6"
    & skf21("3","2","2","7","6","3","4","1") = "6"
    & skf21("3","2","2","7","6","3","5","1") = "6"
    & skf21("3","2","2","7","6","3","6","1") = "6"
    & skf21("3","2","2","7","6","3","7","1") = "6"
    & skf21("3","2","2","7","6","4","1","1") = "6"
    & skf21("3","2","2","7","6","4","2","1") = "6"
    & skf21("3","2","2","7","6","4","3","1") = "6"
    & skf21("3","2","2","7","6","4","4","1") = "6"
    & skf21("3","2","2","7","6","4","5","1") = "6"
    & skf21("3","2","2","7","6","4","6","1") = "6"
    & skf21("3","2","2","7","6","4","7","1") = "6"
    & skf21("3","2","2","7","6","5","1","1") = "6"
    & skf21("3","2","2","7","6","5","2","1") = "6"
    & skf21("3","2","2","7","6","5","3","1") = "6"
    & skf21("3","2","2","7","6","5","4","1") = "6"
    & skf21("3","2","2","7","6","5","5","1") = "6"
    & skf21("3","2","2","7","6","5","6","1") = "6"
    & skf21("3","2","2","7","6","5","7","1") = "6"
    & skf21("3","2","2","7","6","6","1","1") = "6"
    & skf21("3","2","2","7","6","6","2","1") = "6"
    & skf21("3","2","2","7","6","6","3","1") = "6"
    & skf21("3","2","2","7","6","6","4","1") = "6"
    & skf21("3","2","2","7","6","6","5","1") = "6"
    & skf21("3","2","2","7","6","6","6","1") = "6"
    & skf21("3","2","2","7","6","6","7","1") = "6"
    & skf21("3","2","2","7","6","7","1","1") = "6"
    & skf21("3","2","2","7","6","7","2","1") = "6"
    & skf21("3","2","2","7","6","7","3","1") = "6"
    & skf21("3","2","2","7","6","7","4","1") = "6"
    & skf21("3","2","2","7","6","7","5","1") = "6"
    & skf21("3","2","2","7","6","7","6","1") = "6"
    & skf21("3","2","2","7","6","7","7","1") = "6"
    & skf21("3","2","2","7","7","1","1","1") = "6"
    & skf21("3","2","2","7","7","1","2","1") = "6"
    & skf21("3","2","2","7","7","1","3","1") = "6"
    & skf21("3","2","2","7","7","1","4","1") = "6"
    & skf21("3","2","2","7","7","1","5","1") = "6"
    & skf21("3","2","2","7","7","1","6","1") = "6"
    & skf21("3","2","2","7","7","1","7","1") = "6"
    & skf21("3","2","2","7","7","2","1","1") = "6"
    & skf21("3","2","2","7","7","2","2","1") = "6"
    & skf21("3","2","2","7","7","2","3","1") = "6"
    & skf21("3","2","2","7","7","2","4","1") = "6"
    & skf21("3","2","2","7","7","2","5","1") = "6"
    & skf21("3","2","2","7","7","2","6","1") = "6"
    & skf21("3","2","2","7","7","2","7","1") = "6"
    & skf21("3","2","2","7","7","3","1","1") = "6"
    & skf21("3","2","2","7","7","3","2","1") = "6"
    & skf21("3","2","2","7","7","3","3","1") = "6"
    & skf21("3","2","2","7","7","3","4","1") = "6"
    & skf21("3","2","2","7","7","3","5","1") = "6"
    & skf21("3","2","2","7","7","3","6","1") = "6"
    & skf21("3","2","2","7","7","3","7","1") = "6"
    & skf21("3","2","2","7","7","4","1","1") = "6"
    & skf21("3","2","2","7","7","4","2","1") = "6"
    & skf21("3","2","2","7","7","4","3","1") = "6"
    & skf21("3","2","2","7","7","4","4","1") = "6"
    & skf21("3","2","2","7","7","4","5","1") = "6"
    & skf21("3","2","2","7","7","4","6","1") = "6"
    & skf21("3","2","2","7","7","4","7","1") = "6"
    & skf21("3","2","2","7","7","5","1","1") = "6"
    & skf21("3","2","2","7","7","5","2","1") = "6"
    & skf21("3","2","2","7","7","5","3","1") = "6"
    & skf21("3","2","2","7","7","5","4","1") = "6"
    & skf21("3","2","2","7","7","5","5","1") = "6"
    & skf21("3","2","2","7","7","5","6","1") = "6"
    & skf21("3","2","2","7","7","5","7","1") = "6"
    & skf21("3","2","2","7","7","6","1","1") = "6"
    & skf21("3","2","2","7","7","6","2","1") = "6"
    & skf21("3","2","2","7","7","6","3","1") = "6"
    & skf21("3","2","2","7","7","6","4","1") = "6"
    & skf21("3","2","2","7","7","6","5","1") = "6"
    & skf21("3","2","2","7","7","6","6","1") = "6"
    & skf21("3","2","2","7","7","6","7","1") = "6"
    & skf21("3","2","2","7","7","7","1","1") = "6"
    & skf21("3","2","2","7","7","7","2","1") = "6"
    & skf21("3","2","2","7","7","7","3","1") = "6"
    & skf21("3","2","2","7","7","7","4","1") = "6"
    & skf21("3","2","2","7","7","7","5","1") = "6"
    & skf21("3","2","2","7","7","7","6","1") = "6"
    & skf21("3","2","2","7","7","7","7","1") = "6"
    & skf21("3","2","3","1","1","1","1","1") = "2"
    & skf21("3","2","3","1","1","1","2","1") = "2"
    & skf21("3","2","3","1","1","1","3","1") = "2"
    & skf21("3","2","3","1","1","1","4","1") = "3"
    & skf21("3","2","3","1","1","1","5","1") = "4"
    & skf21("3","2","3","1","1","1","6","1") = "5"
    & skf21("3","2","3","1","1","1","7","1") = "6"
    & skf21("3","2","3","1","1","2","1","1") = "2"
    & skf21("3","2","3","1","1","2","2","1") = "2"
    & skf21("3","2","3","1","1","2","3","1") = "2"
    & skf21("3","2","3","1","1","2","4","1") = "3"
    & skf21("3","2","3","1","1","2","5","1") = "4"
    & skf21("3","2","3","1","1","2","6","1") = "5"
    & skf21("3","2","3","1","1","2","7","1") = "6"
    & skf21("3","2","3","1","1","3","1","1") = "2"
    & skf21("3","2","3","1","1","3","2","1") = "2"
    & skf21("3","2","3","1","1","3","3","1") = "2"
    & skf21("3","2","3","1","1","3","4","1") = "3"
    & skf21("3","2","3","1","1","3","5","1") = "4"
    & skf21("3","2","3","1","1","3","6","1") = "5"
    & skf21("3","2","3","1","1","3","7","1") = "6"
    & skf21("3","2","3","1","1","4","1","1") = "3"
    & skf21("3","2","3","1","1","4","2","1") = "3"
    & skf21("3","2","3","1","1","4","3","1") = "3"
    & skf21("3","2","3","1","1","4","4","1") = "3"
    & skf21("3","2","3","1","1","4","5","1") = "4"
    & skf21("3","2","3","1","1","4","6","1") = "5"
    & skf21("3","2","3","1","1","4","7","1") = "6"
    & skf21("3","2","3","1","1","5","1","1") = "4"
    & skf21("3","2","3","1","1","5","2","1") = "4"
    & skf21("3","2","3","1","1","5","3","1") = "4"
    & skf21("3","2","3","1","1","5","4","1") = "4"
    & skf21("3","2","3","1","1","5","5","1") = "4"
    & skf21("3","2","3","1","1","5","6","1") = "5"
    & skf21("3","2","3","1","1","5","7","1") = "6"
    & skf21("3","2","3","1","1","6","1","1") = "5"
    & skf21("3","2","3","1","1","6","2","1") = "5"
    & skf21("3","2","3","1","1","6","3","1") = "5"
    & skf21("3","2","3","1","1","6","4","1") = "5"
    & skf21("3","2","3","1","1","6","5","1") = "5"
    & skf21("3","2","3","1","1","6","6","1") = "5"
    & skf21("3","2","3","1","1","6","7","1") = "6"
    & skf21("3","2","3","1","1","7","1","1") = "6"
    & skf21("3","2","3","1","1","7","2","1") = "6"
    & skf21("3","2","3","1","1","7","3","1") = "6"
    & skf21("3","2","3","1","1","7","4","1") = "6"
    & skf21("3","2","3","1","1","7","5","1") = "6"
    & skf21("3","2","3","1","1","7","6","1") = "6"
    & skf21("3","2","3","1","1","7","7","1") = "6"
    & skf21("3","2","3","1","2","1","1","1") = "2"
    & skf21("3","2","3","1","2","1","2","1") = "2"
    & skf21("3","2","3","1","2","1","3","1") = "2"
    & skf21("3","2","3","1","2","1","4","1") = "3"
    & skf21("3","2","3","1","2","1","5","1") = "4"
    & skf21("3","2","3","1","2","1","6","1") = "5"
    & skf21("3","2","3","1","2","1","7","1") = "6"
    & skf21("3","2","3","1","2","2","1","1") = "2"
    & skf21("3","2","3","1","2","2","2","1") = "2"
    & skf21("3","2","3","1","2","2","3","1") = "2"
    & skf21("3","2","3","1","2","2","4","1") = "3"
    & skf21("3","2","3","1","2","2","5","1") = "4"
    & skf21("3","2","3","1","2","2","6","1") = "5"
    & skf21("3","2","3","1","2","2","7","1") = "6"
    & skf21("3","2","3","1","2","3","1","1") = "2"
    & skf21("3","2","3","1","2","3","2","1") = "2"
    & skf21("3","2","3","1","2","3","3","1") = "2"
    & skf21("3","2","3","1","2","3","4","1") = "3"
    & skf21("3","2","3","1","2","3","5","1") = "4"
    & skf21("3","2","3","1","2","3","6","1") = "5"
    & skf21("3","2","3","1","2","3","7","1") = "6"
    & skf21("3","2","3","1","2","4","1","1") = "3"
    & skf21("3","2","3","1","2","4","2","1") = "3"
    & skf21("3","2","3","1","2","4","3","1") = "3"
    & skf21("3","2","3","1","2","4","4","1") = "3"
    & skf21("3","2","3","1","2","4","5","1") = "4"
    & skf21("3","2","3","1","2","4","6","1") = "5"
    & skf21("3","2","3","1","2","4","7","1") = "6"
    & skf21("3","2","3","1","2","5","1","1") = "4"
    & skf21("3","2","3","1","2","5","2","1") = "4"
    & skf21("3","2","3","1","2","5","3","1") = "4"
    & skf21("3","2","3","1","2","5","4","1") = "4"
    & skf21("3","2","3","1","2","5","5","1") = "4"
    & skf21("3","2","3","1","2","5","6","1") = "5"
    & skf21("3","2","3","1","2","5","7","1") = "6"
    & skf21("3","2","3","1","2","6","1","1") = "5"
    & skf21("3","2","3","1","2","6","2","1") = "5"
    & skf21("3","2","3","1","2","6","3","1") = "5"
    & skf21("3","2","3","1","2","6","4","1") = "5"
    & skf21("3","2","3","1","2","6","5","1") = "5"
    & skf21("3","2","3","1","2","6","6","1") = "5"
    & skf21("3","2","3","1","2","6","7","1") = "6"
    & skf21("3","2","3","1","2","7","1","1") = "6"
    & skf21("3","2","3","1","2","7","2","1") = "6"
    & skf21("3","2","3","1","2","7","3","1") = "6"
    & skf21("3","2","3","1","2","7","4","1") = "6"
    & skf21("3","2","3","1","2","7","5","1") = "6"
    & skf21("3","2","3","1","2","7","6","1") = "6"
    & skf21("3","2","3","1","2","7","7","1") = "6"
    & skf21("3","2","3","1","3","1","1","1") = "2"
    & skf21("3","2","3","1","3","1","2","1") = "2"
    & skf21("3","2","3","1","3","1","3","1") = "1"
    & skf21("3","2","3","1","3","1","4","1") = "3"
    & skf21("3","2","3","1","3","1","5","1") = "4"
    & skf21("3","2","3","1","3","1","6","1") = "5"
    & skf21("3","2","3","1","3","1","7","1") = "6"
    & skf21("3","2","3","1","3","2","1","1") = "2"
    & skf21("3","2","3","1","3","2","2","1") = "2"
    & skf21("3","2","3","1","3","2","3","1") = "2"
    & skf21("3","2","3","1","3","2","4","1") = "3"
    & skf21("3","2","3","1","3","2","5","1") = "4"
    & skf21("3","2","3","1","3","2","6","1") = "5"
    & skf21("3","2","3","1","3","2","7","1") = "6"
    & skf21("3","2","3","1","3","3","1","1") = "2"
    & skf21("3","2","3","1","3","3","2","1") = "2"
    & skf21("3","2","3","1","3","3","3","1") = "2"
    & skf21("3","2","3","1","3","3","4","1") = "3"
    & skf21("3","2","3","1","3","3","5","1") = "4"
    & skf21("3","2","3","1","3","3","6","1") = "5"
    & skf21("3","2","3","1","3","3","7","1") = "6"
    & skf21("3","2","3","1","3","4","1","1") = "3"
    & skf21("3","2","3","1","3","4","2","1") = "3"
    & skf21("3","2","3","1","3","4","3","1") = "3"
    & skf21("3","2","3","1","3","4","4","1") = "3"
    & skf21("3","2","3","1","3","4","5","1") = "4"
    & skf21("3","2","3","1","3","4","6","1") = "5"
    & skf21("3","2","3","1","3","4","7","1") = "6"
    & skf21("3","2","3","1","3","5","1","1") = "4"
    & skf21("3","2","3","1","3","5","2","1") = "4"
    & skf21("3","2","3","1","3","5","3","1") = "4"
    & skf21("3","2","3","1","3","5","4","1") = "4"
    & skf21("3","2","3","1","3","5","5","1") = "4"
    & skf21("3","2","3","1","3","5","6","1") = "5"
    & skf21("3","2","3","1","3","5","7","1") = "6"
    & skf21("3","2","3","1","3","6","1","1") = "5"
    & skf21("3","2","3","1","3","6","2","1") = "5"
    & skf21("3","2","3","1","3","6","3","1") = "5"
    & skf21("3","2","3","1","3","6","4","1") = "5"
    & skf21("3","2","3","1","3","6","5","1") = "5"
    & skf21("3","2","3","1","3","6","6","1") = "5"
    & skf21("3","2","3","1","3","6","7","1") = "6"
    & skf21("3","2","3","1","3","7","1","1") = "6"
    & skf21("3","2","3","1","3","7","2","1") = "6"
    & skf21("3","2","3","1","3","7","3","1") = "6"
    & skf21("3","2","3","1","3","7","4","1") = "6"
    & skf21("3","2","3","1","3","7","5","1") = "6"
    & skf21("3","2","3","1","3","7","6","1") = "6"
    & skf21("3","2","3","1","3","7","7","1") = "6"
    & skf21("3","2","3","1","4","1","1","1") = "3"
    & skf21("3","2","3","1","4","1","2","1") = "3"
    & skf21("3","2","3","1","4","1","3","1") = "3"
    & skf21("3","2","3","1","4","1","4","1") = "3"
    & skf21("3","2","3","1","4","1","5","1") = "4"
    & skf21("3","2","3","1","4","1","6","1") = "5"
    & skf21("3","2","3","1","4","1","7","1") = "6"
    & skf21("3","2","3","1","4","2","1","1") = "3"
    & skf21("3","2","3","1","4","2","2","1") = "3"
    & skf21("3","2","3","1","4","2","3","1") = "3"
    & skf21("3","2","3","1","4","2","4","1") = "3"
    & skf21("3","2","3","1","4","2","5","1") = "4"
    & skf21("3","2","3","1","4","2","6","1") = "5"
    & skf21("3","2","3","1","4","2","7","1") = "6"
    & skf21("3","2","3","1","4","3","1","1") = "3"
    & skf21("3","2","3","1","4","3","2","1") = "3"
    & skf21("3","2","3","1","4","3","3","1") = "3"
    & skf21("3","2","3","1","4","3","4","1") = "3"
    & skf21("3","2","3","1","4","3","5","1") = "4"
    & skf21("3","2","3","1","4","3","6","1") = "5"
    & skf21("3","2","3","1","4","3","7","1") = "6"
    & skf21("3","2","3","1","4","4","1","1") = "3"
    & skf21("3","2","3","1","4","4","2","1") = "3"
    & skf21("3","2","3","1","4","4","3","1") = "3"
    & skf21("3","2","3","1","4","4","4","1") = "3"
    & skf21("3","2","3","1","4","4","5","1") = "4"
    & skf21("3","2","3","1","4","4","6","1") = "5"
    & skf21("3","2","3","1","4","4","7","1") = "6"
    & skf21("3","2","3","1","4","5","1","1") = "4"
    & skf21("3","2","3","1","4","5","2","1") = "4"
    & skf21("3","2","3","1","4","5","3","1") = "4"
    & skf21("3","2","3","1","4","5","4","1") = "4"
    & skf21("3","2","3","1","4","5","5","1") = "4"
    & skf21("3","2","3","1","4","5","6","1") = "5"
    & skf21("3","2","3","1","4","5","7","1") = "6"
    & skf21("3","2","3","1","4","6","1","1") = "5"
    & skf21("3","2","3","1","4","6","2","1") = "5"
    & skf21("3","2","3","1","4","6","3","1") = "5"
    & skf21("3","2","3","1","4","6","4","1") = "5"
    & skf21("3","2","3","1","4","6","5","1") = "5"
    & skf21("3","2","3","1","4","6","6","1") = "5"
    & skf21("3","2","3","1","4","6","7","1") = "6"
    & skf21("3","2","3","1","4","7","1","1") = "6"
    & skf21("3","2","3","1","4","7","2","1") = "6"
    & skf21("3","2","3","1","4","7","3","1") = "6"
    & skf21("3","2","3","1","4","7","4","1") = "6"
    & skf21("3","2","3","1","4","7","5","1") = "6"
    & skf21("3","2","3","1","4","7","6","1") = "6"
    & skf21("3","2","3","1","4","7","7","1") = "6"
    & skf21("3","2","3","1","5","1","1","1") = "4"
    & skf21("3","2","3","1","5","1","2","1") = "4"
    & skf21("3","2","3","1","5","1","3","1") = "4"
    & skf21("3","2","3","1","5","1","4","1") = "4"
    & skf21("3","2","3","1","5","1","5","1") = "4"
    & skf21("3","2","3","1","5","1","6","1") = "5"
    & skf21("3","2","3","1","5","1","7","1") = "6"
    & skf21("3","2","3","1","5","2","1","1") = "4"
    & skf21("3","2","3","1","5","2","2","1") = "4"
    & skf21("3","2","3","1","5","2","3","1") = "4"
    & skf21("3","2","3","1","5","2","4","1") = "4"
    & skf21("3","2","3","1","5","2","5","1") = "4"
    & skf21("3","2","3","1","5","2","6","1") = "5"
    & skf21("3","2","3","1","5","2","7","1") = "6"
    & skf21("3","2","3","1","5","3","1","1") = "4"
    & skf21("3","2","3","1","5","3","2","1") = "4"
    & skf21("3","2","3","1","5","3","3","1") = "4"
    & skf21("3","2","3","1","5","3","4","1") = "4"
    & skf21("3","2","3","1","5","3","5","1") = "4"
    & skf21("3","2","3","1","5","3","6","1") = "5"
    & skf21("3","2","3","1","5","3","7","1") = "6"
    & skf21("3","2","3","1","5","4","1","1") = "4"
    & skf21("3","2","3","1","5","4","2","1") = "4"
    & skf21("3","2","3","1","5","4","3","1") = "4"
    & skf21("3","2","3","1","5","4","4","1") = "4"
    & skf21("3","2","3","1","5","4","5","1") = "4"
    & skf21("3","2","3","1","5","4","6","1") = "5"
    & skf21("3","2","3","1","5","4","7","1") = "6"
    & skf21("3","2","3","1","5","5","1","1") = "4"
    & skf21("3","2","3","1","5","5","2","1") = "4"
    & skf21("3","2","3","1","5","5","3","1") = "4"
    & skf21("3","2","3","1","5","5","4","1") = "4"
    & skf21("3","2","3","1","5","5","5","1") = "4"
    & skf21("3","2","3","1","5","5","6","1") = "5"
    & skf21("3","2","3","1","5","5","7","1") = "6"
    & skf21("3","2","3","1","5","6","1","1") = "5"
    & skf21("3","2","3","1","5","6","2","1") = "5"
    & skf21("3","2","3","1","5","6","3","1") = "5"
    & skf21("3","2","3","1","5","6","4","1") = "5"
    & skf21("3","2","3","1","5","6","5","1") = "5"
    & skf21("3","2","3","1","5","6","6","1") = "5"
    & skf21("3","2","3","1","5","6","7","1") = "6"
    & skf21("3","2","3","1","5","7","1","1") = "6"
    & skf21("3","2","3","1","5","7","2","1") = "6"
    & skf21("3","2","3","1","5","7","3","1") = "6"
    & skf21("3","2","3","1","5","7","4","1") = "6"
    & skf21("3","2","3","1","5","7","5","1") = "6"
    & skf21("3","2","3","1","5","7","6","1") = "6"
    & skf21("3","2","3","1","5","7","7","1") = "6"
    & skf21("3","2","3","1","6","1","1","1") = "5"
    & skf21("3","2","3","1","6","1","2","1") = "5"
    & skf21("3","2","3","1","6","1","3","1") = "5"
    & skf21("3","2","3","1","6","1","4","1") = "5"
    & skf21("3","2","3","1","6","1","5","1") = "5"
    & skf21("3","2","3","1","6","1","6","1") = "5"
    & skf21("3","2","3","1","6","1","7","1") = "6"
    & skf21("3","2","3","1","6","2","1","1") = "5"
    & skf21("3","2","3","1","6","2","2","1") = "5"
    & skf21("3","2","3","1","6","2","3","1") = "5"
    & skf21("3","2","3","1","6","2","4","1") = "5"
    & skf21("3","2","3","1","6","2","5","1") = "5"
    & skf21("3","2","3","1","6","2","6","1") = "5"
    & skf21("3","2","3","1","6","2","7","1") = "6"
    & skf21("3","2","3","1","6","3","1","1") = "5"
    & skf21("3","2","3","1","6","3","2","1") = "5"
    & skf21("3","2","3","1","6","3","3","1") = "5"
    & skf21("3","2","3","1","6","3","4","1") = "5"
    & skf21("3","2","3","1","6","3","5","1") = "5"
    & skf21("3","2","3","1","6","3","6","1") = "5"
    & skf21("3","2","3","1","6","3","7","1") = "6"
    & skf21("3","2","3","1","6","4","1","1") = "5"
    & skf21("3","2","3","1","6","4","2","1") = "5"
    & skf21("3","2","3","1","6","4","3","1") = "5"
    & skf21("3","2","3","1","6","4","4","1") = "5"
    & skf21("3","2","3","1","6","4","5","1") = "5"
    & skf21("3","2","3","1","6","4","6","1") = "5"
    & skf21("3","2","3","1","6","4","7","1") = "6"
    & skf21("3","2","3","1","6","5","1","1") = "5"
    & skf21("3","2","3","1","6","5","2","1") = "5"
    & skf21("3","2","3","1","6","5","3","1") = "5"
    & skf21("3","2","3","1","6","5","4","1") = "5"
    & skf21("3","2","3","1","6","5","5","1") = "5"
    & skf21("3","2","3","1","6","5","6","1") = "5"
    & skf21("3","2","3","1","6","5","7","1") = "6"
    & skf21("3","2","3","1","6","6","1","1") = "5"
    & skf21("3","2","3","1","6","6","2","1") = "5"
    & skf21("3","2","3","1","6","6","3","1") = "5"
    & skf21("3","2","3","1","6","6","4","1") = "5"
    & skf21("3","2","3","1","6","6","5","1") = "5"
    & skf21("3","2","3","1","6","6","6","1") = "5"
    & skf21("3","2","3","1","6","6","7","1") = "6"
    & skf21("3","2","3","1","6","7","1","1") = "6"
    & skf21("3","2","3","1","6","7","2","1") = "6"
    & skf21("3","2","3","1","6","7","3","1") = "6"
    & skf21("3","2","3","1","6","7","4","1") = "6"
    & skf21("3","2","3","1","6","7","5","1") = "6"
    & skf21("3","2","3","1","6","7","6","1") = "6"
    & skf21("3","2","3","1","6","7","7","1") = "6"
    & skf21("3","2","3","1","7","1","1","1") = "6"
    & skf21("3","2","3","1","7","1","2","1") = "6"
    & skf21("3","2","3","1","7","1","3","1") = "6"
    & skf21("3","2","3","1","7","1","4","1") = "6"
    & skf21("3","2","3","1","7","1","5","1") = "6"
    & skf21("3","2","3","1","7","1","6","1") = "6"
    & skf21("3","2","3","1","7","1","7","1") = "6"
    & skf21("3","2","3","1","7","2","1","1") = "6"
    & skf21("3","2","3","1","7","2","2","1") = "6"
    & skf21("3","2","3","1","7","2","3","1") = "6"
    & skf21("3","2","3","1","7","2","4","1") = "6"
    & skf21("3","2","3","1","7","2","5","1") = "6"
    & skf21("3","2","3","1","7","2","6","1") = "6"
    & skf21("3","2","3","1","7","2","7","1") = "6"
    & skf21("3","2","3","1","7","3","1","1") = "6"
    & skf21("3","2","3","1","7","3","2","1") = "6"
    & skf21("3","2","3","1","7","3","3","1") = "6"
    & skf21("3","2","3","1","7","3","4","1") = "6"
    & skf21("3","2","3","1","7","3","5","1") = "6"
    & skf21("3","2","3","1","7","3","6","1") = "6"
    & skf21("3","2","3","1","7","3","7","1") = "6"
    & skf21("3","2","3","1","7","4","1","1") = "6"
    & skf21("3","2","3","1","7","4","2","1") = "6"
    & skf21("3","2","3","1","7","4","3","1") = "6"
    & skf21("3","2","3","1","7","4","4","1") = "6"
    & skf21("3","2","3","1","7","4","5","1") = "6"
    & skf21("3","2","3","1","7","4","6","1") = "6"
    & skf21("3","2","3","1","7","4","7","1") = "6"
    & skf21("3","2","3","1","7","5","1","1") = "6"
    & skf21("3","2","3","1","7","5","2","1") = "6"
    & skf21("3","2","3","1","7","5","3","1") = "6"
    & skf21("3","2","3","1","7","5","4","1") = "6"
    & skf21("3","2","3","1","7","5","5","1") = "6"
    & skf21("3","2","3","1","7","5","6","1") = "6"
    & skf21("3","2","3","1","7","5","7","1") = "6"
    & skf21("3","2","3","1","7","6","1","1") = "6"
    & skf21("3","2","3","1","7","6","2","1") = "6"
    & skf21("3","2","3","1","7","6","3","1") = "6"
    & skf21("3","2","3","1","7","6","4","1") = "6"
    & skf21("3","2","3","1","7","6","5","1") = "6"
    & skf21("3","2","3","1","7","6","6","1") = "6"
    & skf21("3","2","3","1","7","6","7","1") = "6"
    & skf21("3","2","3","1","7","7","1","1") = "6"
    & skf21("3","2","3","1","7","7","2","1") = "6"
    & skf21("3","2","3","1","7","7","3","1") = "6"
    & skf21("3","2","3","1","7","7","4","1") = "6"
    & skf21("3","2","3","1","7","7","5","1") = "6"
    & skf21("3","2","3","1","7","7","6","1") = "6"
    & skf21("3","2","3","1","7","7","7","1") = "6"
    & skf21("3","2","3","2","1","1","1","1") = "2"
    & skf21("3","2","3","2","1","1","2","1") = "2"
    & skf21("3","2","3","2","1","1","3","1") = "2"
    & skf21("3","2","3","2","1","1","4","1") = "3"
    & skf21("3","2","3","2","1","1","5","1") = "4"
    & skf21("3","2","3","2","1","1","6","1") = "5"
    & skf21("3","2","3","2","1","1","7","1") = "6"
    & skf21("3","2","3","2","1","2","1","1") = "2"
    & skf21("3","2","3","2","1","2","2","1") = "2"
    & skf21("3","2","3","2","1","2","3","1") = "2"
    & skf21("3","2","3","2","1","2","4","1") = "3"
    & skf21("3","2","3","2","1","2","5","1") = "4"
    & skf21("3","2","3","2","1","2","6","1") = "5"
    & skf21("3","2","3","2","1","2","7","1") = "6"
    & skf21("3","2","3","2","1","3","1","1") = "2"
    & skf21("3","2","3","2","1","3","2","1") = "2"
    & skf21("3","2","3","2","1","3","3","1") = "2"
    & skf21("3","2","3","2","1","3","4","1") = "3"
    & skf21("3","2","3","2","1","3","5","1") = "4"
    & skf21("3","2","3","2","1","3","6","1") = "5"
    & skf21("3","2","3","2","1","3","7","1") = "6"
    & skf21("3","2","3","2","1","4","1","1") = "3"
    & skf21("3","2","3","2","1","4","2","1") = "3"
    & skf21("3","2","3","2","1","4","3","1") = "3"
    & skf21("3","2","3","2","1","4","4","1") = "3"
    & skf21("3","2","3","2","1","4","5","1") = "4"
    & skf21("3","2","3","2","1","4","6","1") = "5"
    & skf21("3","2","3","2","1","4","7","1") = "6"
    & skf21("3","2","3","2","1","5","1","1") = "4"
    & skf21("3","2","3","2","1","5","2","1") = "4"
    & skf21("3","2","3","2","1","5","3","1") = "4"
    & skf21("3","2","3","2","1","5","4","1") = "4"
    & skf21("3","2","3","2","1","5","5","1") = "4"
    & skf21("3","2","3","2","1","5","6","1") = "5"
    & skf21("3","2","3","2","1","5","7","1") = "6"
    & skf21("3","2","3","2","1","6","1","1") = "5"
    & skf21("3","2","3","2","1","6","2","1") = "5"
    & skf21("3","2","3","2","1","6","3","1") = "5"
    & skf21("3","2","3","2","1","6","4","1") = "5"
    & skf21("3","2","3","2","1","6","5","1") = "5"
    & skf21("3","2","3","2","1","6","6","1") = "5"
    & skf21("3","2","3","2","1","6","7","1") = "6"
    & skf21("3","2","3","2","1","7","1","1") = "6"
    & skf21("3","2","3","2","1","7","2","1") = "6"
    & skf21("3","2","3","2","1","7","3","1") = "6"
    & skf21("3","2","3","2","1","7","4","1") = "6"
    & skf21("3","2","3","2","1","7","5","1") = "6"
    & skf21("3","2","3","2","1","7","6","1") = "6"
    & skf21("3","2","3","2","1","7","7","1") = "6"
    & skf21("3","2","3","2","2","1","1","1") = "2"
    & skf21("3","2","3","2","2","1","2","1") = "2"
    & skf21("3","2","3","2","2","1","3","1") = "2"
    & skf21("3","2","3","2","2","1","4","1") = "3"
    & skf21("3","2","3","2","2","1","5","1") = "4"
    & skf21("3","2","3","2","2","1","6","1") = "5"
    & skf21("3","2","3","2","2","1","7","1") = "6"
    & skf21("3","2","3","2","2","2","1","1") = "2"
    & skf21("3","2","3","2","2","2","2","1") = "2"
    & skf21("3","2","3","2","2","2","3","1") = "2"
    & skf21("3","2","3","2","2","2","4","1") = "3"
    & skf21("3","2","3","2","2","2","5","1") = "4"
    & skf21("3","2","3","2","2","2","6","1") = "5"
    & skf21("3","2","3","2","2","2","7","1") = "6"
    & skf21("3","2","3","2","2","3","1","1") = "2"
    & skf21("3","2","3","2","2","3","2","1") = "2"
    & skf21("3","2","3","2","2","3","3","1") = "2"
    & skf21("3","2","3","2","2","3","4","1") = "3"
    & skf21("3","2","3","2","2","3","5","1") = "4"
    & skf21("3","2","3","2","2","3","6","1") = "5"
    & skf21("3","2","3","2","2","3","7","1") = "6"
    & skf21("3","2","3","2","2","4","1","1") = "3"
    & skf21("3","2","3","2","2","4","2","1") = "3"
    & skf21("3","2","3","2","2","4","3","1") = "3"
    & skf21("3","2","3","2","2","4","4","1") = "3"
    & skf21("3","2","3","2","2","4","5","1") = "4"
    & skf21("3","2","3","2","2","4","6","1") = "5"
    & skf21("3","2","3","2","2","4","7","1") = "6"
    & skf21("3","2","3","2","2","5","1","1") = "4"
    & skf21("3","2","3","2","2","5","2","1") = "4"
    & skf21("3","2","3","2","2","5","3","1") = "4"
    & skf21("3","2","3","2","2","5","4","1") = "4"
    & skf21("3","2","3","2","2","5","5","1") = "4"
    & skf21("3","2","3","2","2","5","6","1") = "5"
    & skf21("3","2","3","2","2","5","7","1") = "6"
    & skf21("3","2","3","2","2","6","1","1") = "5"
    & skf21("3","2","3","2","2","6","2","1") = "5"
    & skf21("3","2","3","2","2","6","3","1") = "5"
    & skf21("3","2","3","2","2","6","4","1") = "5"
    & skf21("3","2","3","2","2","6","5","1") = "5"
    & skf21("3","2","3","2","2","6","6","1") = "5"
    & skf21("3","2","3","2","2","6","7","1") = "6"
    & skf21("3","2","3","2","2","7","1","1") = "6"
    & skf21("3","2","3","2","2","7","2","1") = "6"
    & skf21("3","2","3","2","2","7","3","1") = "6"
    & skf21("3","2","3","2","2","7","4","1") = "6"
    & skf21("3","2","3","2","2","7","5","1") = "6"
    & skf21("3","2","3","2","2","7","6","1") = "6"
    & skf21("3","2","3","2","2","7","7","1") = "6"
    & skf21("3","2","3","2","3","1","1","1") = "2"
    & skf21("3","2","3","2","3","1","2","1") = "2"
    & skf21("3","2","3","2","3","1","3","1") = "2"
    & skf21("3","2","3","2","3","1","4","1") = "3"
    & skf21("3","2","3","2","3","1","5","1") = "4"
    & skf21("3","2","3","2","3","1","6","1") = "5"
    & skf21("3","2","3","2","3","1","7","1") = "6"
    & skf21("3","2","3","2","3","2","1","1") = "2"
    & skf21("3","2","3","2","3","2","2","1") = "2"
    & skf21("3","2","3","2","3","2","3","1") = "2"
    & skf21("3","2","3","2","3","2","4","1") = "3"
    & skf21("3","2","3","2","3","2","5","1") = "4"
    & skf21("3","2","3","2","3","2","6","1") = "5"
    & skf21("3","2","3","2","3","2","7","1") = "6"
    & skf21("3","2","3","2","3","3","1","1") = "2"
    & skf21("3","2","3","2","3","3","2","1") = "2"
    & skf21("3","2","3","2","3","3","3","1") = "2"
    & skf21("3","2","3","2","3","3","4","1") = "3"
    & skf21("3","2","3","2","3","3","5","1") = "4"
    & skf21("3","2","3","2","3","3","6","1") = "5"
    & skf21("3","2","3","2","3","3","7","1") = "6"
    & skf21("3","2","3","2","3","4","1","1") = "3"
    & skf21("3","2","3","2","3","4","2","1") = "3"
    & skf21("3","2","3","2","3","4","3","1") = "3"
    & skf21("3","2","3","2","3","4","4","1") = "3"
    & skf21("3","2","3","2","3","4","5","1") = "4"
    & skf21("3","2","3","2","3","4","6","1") = "5"
    & skf21("3","2","3","2","3","4","7","1") = "6"
    & skf21("3","2","3","2","3","5","1","1") = "4"
    & skf21("3","2","3","2","3","5","2","1") = "4"
    & skf21("3","2","3","2","3","5","3","1") = "4"
    & skf21("3","2","3","2","3","5","4","1") = "4"
    & skf21("3","2","3","2","3","5","5","1") = "4"
    & skf21("3","2","3","2","3","5","6","1") = "5"
    & skf21("3","2","3","2","3","5","7","1") = "6"
    & skf21("3","2","3","2","3","6","1","1") = "5"
    & skf21("3","2","3","2","3","6","2","1") = "5"
    & skf21("3","2","3","2","3","6","3","1") = "5"
    & skf21("3","2","3","2","3","6","4","1") = "5"
    & skf21("3","2","3","2","3","6","5","1") = "5"
    & skf21("3","2","3","2","3","6","6","1") = "5"
    & skf21("3","2","3","2","3","6","7","1") = "6"
    & skf21("3","2","3","2","3","7","1","1") = "6"
    & skf21("3","2","3","2","3","7","2","1") = "6"
    & skf21("3","2","3","2","3","7","3","1") = "6"
    & skf21("3","2","3","2","3","7","4","1") = "6"
    & skf21("3","2","3","2","3","7","5","1") = "6"
    & skf21("3","2","3","2","3","7","6","1") = "6"
    & skf21("3","2","3","2","3","7","7","1") = "6"
    & skf21("3","2","3","2","4","1","1","1") = "3"
    & skf21("3","2","3","2","4","1","2","1") = "3"
    & skf21("3","2","3","2","4","1","3","1") = "3"
    & skf21("3","2","3","2","4","1","4","1") = "3"
    & skf21("3","2","3","2","4","1","5","1") = "4"
    & skf21("3","2","3","2","4","1","6","1") = "5"
    & skf21("3","2","3","2","4","1","7","1") = "6"
    & skf21("3","2","3","2","4","2","1","1") = "3"
    & skf21("3","2","3","2","4","2","2","1") = "3"
    & skf21("3","2","3","2","4","2","3","1") = "3"
    & skf21("3","2","3","2","4","2","4","1") = "3"
    & skf21("3","2","3","2","4","2","5","1") = "4"
    & skf21("3","2","3","2","4","2","6","1") = "5"
    & skf21("3","2","3","2","4","2","7","1") = "6"
    & skf21("3","2","3","2","4","3","1","1") = "3"
    & skf21("3","2","3","2","4","3","2","1") = "3"
    & skf21("3","2","3","2","4","3","3","1") = "3"
    & skf21("3","2","3","2","4","3","4","1") = "3"
    & skf21("3","2","3","2","4","3","5","1") = "4"
    & skf21("3","2","3","2","4","3","6","1") = "5"
    & skf21("3","2","3","2","4","3","7","1") = "6"
    & skf21("3","2","3","2","4","4","1","1") = "3"
    & skf21("3","2","3","2","4","4","2","1") = "3"
    & skf21("3","2","3","2","4","4","3","1") = "3"
    & skf21("3","2","3","2","4","4","4","1") = "3"
    & skf21("3","2","3","2","4","4","5","1") = "4"
    & skf21("3","2","3","2","4","4","6","1") = "5"
    & skf21("3","2","3","2","4","4","7","1") = "6"
    & skf21("3","2","3","2","4","5","1","1") = "4"
    & skf21("3","2","3","2","4","5","2","1") = "4"
    & skf21("3","2","3","2","4","5","3","1") = "4"
    & skf21("3","2","3","2","4","5","4","1") = "4"
    & skf21("3","2","3","2","4","5","5","1") = "4"
    & skf21("3","2","3","2","4","5","6","1") = "5"
    & skf21("3","2","3","2","4","5","7","1") = "6"
    & skf21("3","2","3","2","4","6","1","1") = "5"
    & skf21("3","2","3","2","4","6","2","1") = "5"
    & skf21("3","2","3","2","4","6","3","1") = "5"
    & skf21("3","2","3","2","4","6","4","1") = "5"
    & skf21("3","2","3","2","4","6","5","1") = "5"
    & skf21("3","2","3","2","4","6","6","1") = "5"
    & skf21("3","2","3","2","4","6","7","1") = "6"
    & skf21("3","2","3","2","4","7","1","1") = "6"
    & skf21("3","2","3","2","4","7","2","1") = "6"
    & skf21("3","2","3","2","4","7","3","1") = "6"
    & skf21("3","2","3","2","4","7","4","1") = "6"
    & skf21("3","2","3","2","4","7","5","1") = "6"
    & skf21("3","2","3","2","4","7","6","1") = "6"
    & skf21("3","2","3","2","4","7","7","1") = "6"
    & skf21("3","2","3","2","5","1","1","1") = "4"
    & skf21("3","2","3","2","5","1","2","1") = "4"
    & skf21("3","2","3","2","5","1","3","1") = "4"
    & skf21("3","2","3","2","5","1","4","1") = "4"
    & skf21("3","2","3","2","5","1","5","1") = "4"
    & skf21("3","2","3","2","5","1","6","1") = "5"
    & skf21("3","2","3","2","5","1","7","1") = "6"
    & skf21("3","2","3","2","5","2","1","1") = "4"
    & skf21("3","2","3","2","5","2","2","1") = "4"
    & skf21("3","2","3","2","5","2","3","1") = "4"
    & skf21("3","2","3","2","5","2","4","1") = "4"
    & skf21("3","2","3","2","5","2","5","1") = "4"
    & skf21("3","2","3","2","5","2","6","1") = "5"
    & skf21("3","2","3","2","5","2","7","1") = "6"
    & skf21("3","2","3","2","5","3","1","1") = "4"
    & skf21("3","2","3","2","5","3","2","1") = "4"
    & skf21("3","2","3","2","5","3","3","1") = "4"
    & skf21("3","2","3","2","5","3","4","1") = "4"
    & skf21("3","2","3","2","5","3","5","1") = "4"
    & skf21("3","2","3","2","5","3","6","1") = "5"
    & skf21("3","2","3","2","5","3","7","1") = "6"
    & skf21("3","2","3","2","5","4","1","1") = "4"
    & skf21("3","2","3","2","5","4","2","1") = "4"
    & skf21("3","2","3","2","5","4","3","1") = "4"
    & skf21("3","2","3","2","5","4","4","1") = "4"
    & skf21("3","2","3","2","5","4","5","1") = "4"
    & skf21("3","2","3","2","5","4","6","1") = "5"
    & skf21("3","2","3","2","5","4","7","1") = "6"
    & skf21("3","2","3","2","5","5","1","1") = "4"
    & skf21("3","2","3","2","5","5","2","1") = "4"
    & skf21("3","2","3","2","5","5","3","1") = "4"
    & skf21("3","2","3","2","5","5","4","1") = "4"
    & skf21("3","2","3","2","5","5","5","1") = "4"
    & skf21("3","2","3","2","5","5","6","1") = "5"
    & skf21("3","2","3","2","5","5","7","1") = "6"
    & skf21("3","2","3","2","5","6","1","1") = "5"
    & skf21("3","2","3","2","5","6","2","1") = "5"
    & skf21("3","2","3","2","5","6","3","1") = "5"
    & skf21("3","2","3","2","5","6","4","1") = "5"
    & skf21("3","2","3","2","5","6","5","1") = "5"
    & skf21("3","2","3","2","5","6","6","1") = "5"
    & skf21("3","2","3","2","5","6","7","1") = "6"
    & skf21("3","2","3","2","5","7","1","1") = "6"
    & skf21("3","2","3","2","5","7","2","1") = "6"
    & skf21("3","2","3","2","5","7","3","1") = "6"
    & skf21("3","2","3","2","5","7","4","1") = "6"
    & skf21("3","2","3","2","5","7","5","1") = "6"
    & skf21("3","2","3","2","5","7","6","1") = "6"
    & skf21("3","2","3","2","5","7","7","1") = "6"
    & skf21("3","2","3","2","6","1","1","1") = "5"
    & skf21("3","2","3","2","6","1","2","1") = "5"
    & skf21("3","2","3","2","6","1","3","1") = "5"
    & skf21("3","2","3","2","6","1","4","1") = "5"
    & skf21("3","2","3","2","6","1","5","1") = "5"
    & skf21("3","2","3","2","6","1","6","1") = "5"
    & skf21("3","2","3","2","6","1","7","1") = "6"
    & skf21("3","2","3","2","6","2","1","1") = "5"
    & skf21("3","2","3","2","6","2","2","1") = "5"
    & skf21("3","2","3","2","6","2","3","1") = "5"
    & skf21("3","2","3","2","6","2","4","1") = "5"
    & skf21("3","2","3","2","6","2","5","1") = "5"
    & skf21("3","2","3","2","6","2","6","1") = "5"
    & skf21("3","2","3","2","6","2","7","1") = "6"
    & skf21("3","2","3","2","6","3","1","1") = "5"
    & skf21("3","2","3","2","6","3","2","1") = "5"
    & skf21("3","2","3","2","6","3","3","1") = "5"
    & skf21("3","2","3","2","6","3","4","1") = "5"
    & skf21("3","2","3","2","6","3","5","1") = "5"
    & skf21("3","2","3","2","6","3","6","1") = "5"
    & skf21("3","2","3","2","6","3","7","1") = "6"
    & skf21("3","2","3","2","6","4","1","1") = "5"
    & skf21("3","2","3","2","6","4","2","1") = "5"
    & skf21("3","2","3","2","6","4","3","1") = "5"
    & skf21("3","2","3","2","6","4","4","1") = "5"
    & skf21("3","2","3","2","6","4","5","1") = "5"
    & skf21("3","2","3","2","6","4","6","1") = "5"
    & skf21("3","2","3","2","6","4","7","1") = "6"
    & skf21("3","2","3","2","6","5","1","1") = "5"
    & skf21("3","2","3","2","6","5","2","1") = "5"
    & skf21("3","2","3","2","6","5","3","1") = "5"
    & skf21("3","2","3","2","6","5","4","1") = "5"
    & skf21("3","2","3","2","6","5","5","1") = "5"
    & skf21("3","2","3","2","6","5","6","1") = "5"
    & skf21("3","2","3","2","6","5","7","1") = "6"
    & skf21("3","2","3","2","6","6","1","1") = "5"
    & skf21("3","2","3","2","6","6","2","1") = "5"
    & skf21("3","2","3","2","6","6","3","1") = "5"
    & skf21("3","2","3","2","6","6","4","1") = "5"
    & skf21("3","2","3","2","6","6","5","1") = "5"
    & skf21("3","2","3","2","6","6","6","1") = "5"
    & skf21("3","2","3","2","6","6","7","1") = "6"
    & skf21("3","2","3","2","6","7","1","1") = "6"
    & skf21("3","2","3","2","6","7","2","1") = "6"
    & skf21("3","2","3","2","6","7","3","1") = "6"
    & skf21("3","2","3","2","6","7","4","1") = "6"
    & skf21("3","2","3","2","6","7","5","1") = "6"
    & skf21("3","2","3","2","6","7","6","1") = "6"
    & skf21("3","2","3","2","6","7","7","1") = "6"
    & skf21("3","2","3","2","7","1","1","1") = "6"
    & skf21("3","2","3","2","7","1","2","1") = "6"
    & skf21("3","2","3","2","7","1","3","1") = "6"
    & skf21("3","2","3","2","7","1","4","1") = "6"
    & skf21("3","2","3","2","7","1","5","1") = "6"
    & skf21("3","2","3","2","7","1","6","1") = "6"
    & skf21("3","2","3","2","7","1","7","1") = "6"
    & skf21("3","2","3","2","7","2","1","1") = "6"
    & skf21("3","2","3","2","7","2","2","1") = "6"
    & skf21("3","2","3","2","7","2","3","1") = "6"
    & skf21("3","2","3","2","7","2","4","1") = "6"
    & skf21("3","2","3","2","7","2","5","1") = "6"
    & skf21("3","2","3","2","7","2","6","1") = "6"
    & skf21("3","2","3","2","7","2","7","1") = "6"
    & skf21("3","2","3","2","7","3","1","1") = "6"
    & skf21("3","2","3","2","7","3","2","1") = "6"
    & skf21("3","2","3","2","7","3","3","1") = "6"
    & skf21("3","2","3","2","7","3","4","1") = "6"
    & skf21("3","2","3","2","7","3","5","1") = "6"
    & skf21("3","2","3","2","7","3","6","1") = "6"
    & skf21("3","2","3","2","7","3","7","1") = "6"
    & skf21("3","2","3","2","7","4","1","1") = "6"
    & skf21("3","2","3","2","7","4","2","1") = "6"
    & skf21("3","2","3","2","7","4","3","1") = "6"
    & skf21("3","2","3","2","7","4","4","1") = "6"
    & skf21("3","2","3","2","7","4","5","1") = "6"
    & skf21("3","2","3","2","7","4","6","1") = "6"
    & skf21("3","2","3","2","7","4","7","1") = "6"
    & skf21("3","2","3","2","7","5","1","1") = "6"
    & skf21("3","2","3","2","7","5","2","1") = "6"
    & skf21("3","2","3","2","7","5","3","1") = "6"
    & skf21("3","2","3","2","7","5","4","1") = "6"
    & skf21("3","2","3","2","7","5","5","1") = "6"
    & skf21("3","2","3","2","7","5","6","1") = "6"
    & skf21("3","2","3","2","7","5","7","1") = "6"
    & skf21("3","2","3","2","7","6","1","1") = "6"
    & skf21("3","2","3","2","7","6","2","1") = "6"
    & skf21("3","2","3","2","7","6","3","1") = "6"
    & skf21("3","2","3","2","7","6","4","1") = "6"
    & skf21("3","2","3","2","7","6","5","1") = "6"
    & skf21("3","2","3","2","7","6","6","1") = "6"
    & skf21("3","2","3","2","7","6","7","1") = "6"
    & skf21("3","2","3","2","7","7","1","1") = "6"
    & skf21("3","2","3","2","7","7","2","1") = "6"
    & skf21("3","2","3","2","7","7","3","1") = "6"
    & skf21("3","2","3","2","7","7","4","1") = "6"
    & skf21("3","2","3","2","7","7","5","1") = "6"
    & skf21("3","2","3","2","7","7","6","1") = "6"
    & skf21("3","2","3","2","7","7","7","1") = "6"
    & skf21("3","2","3","3","1","1","1","1") = "2"
    & skf21("3","2","3","3","1","1","2","1") = "2"
    & skf21("3","2","3","3","1","1","3","1") = "2"
    & skf21("3","2","3","3","1","1","4","1") = "3"
    & skf21("3","2","3","3","1","1","5","1") = "4"
    & skf21("3","2","3","3","1","1","6","1") = "5"
    & skf21("3","2","3","3","1","1","7","1") = "6"
    & skf21("3","2","3","3","1","2","1","1") = "2"
    & skf21("3","2","3","3","1","2","2","1") = "2"
    & skf21("3","2","3","3","1","2","3","1") = "2"
    & skf21("3","2","3","3","1","2","4","1") = "3"
    & skf21("3","2","3","3","1","2","5","1") = "4"
    & skf21("3","2","3","3","1","2","6","1") = "5"
    & skf21("3","2","3","3","1","2","7","1") = "6"
    & skf21("3","2","3","3","1","3","1","1") = "2"
    & skf21("3","2","3","3","1","3","2","1") = "2"
    & skf21("3","2","3","3","1","3","3","1") = "2"
    & skf21("3","2","3","3","1","3","4","1") = "3"
    & skf21("3","2","3","3","1","3","5","1") = "4"
    & skf21("3","2","3","3","1","3","6","1") = "5"
    & skf21("3","2","3","3","1","3","7","1") = "6"
    & skf21("3","2","3","3","1","4","1","1") = "3"
    & skf21("3","2","3","3","1","4","2","1") = "3"
    & skf21("3","2","3","3","1","4","3","1") = "3"
    & skf21("3","2","3","3","1","4","4","1") = "3"
    & skf21("3","2","3","3","1","4","5","1") = "4"
    & skf21("3","2","3","3","1","4","6","1") = "5"
    & skf21("3","2","3","3","1","4","7","1") = "6"
    & skf21("3","2","3","3","1","5","1","1") = "4"
    & skf21("3","2","3","3","1","5","2","1") = "4"
    & skf21("3","2","3","3","1","5","3","1") = "4"
    & skf21("3","2","3","3","1","5","4","1") = "4"
    & skf21("3","2","3","3","1","5","5","1") = "4"
    & skf21("3","2","3","3","1","5","6","1") = "5"
    & skf21("3","2","3","3","1","5","7","1") = "6"
    & skf21("3","2","3","3","1","6","1","1") = "5"
    & skf21("3","2","3","3","1","6","2","1") = "5"
    & skf21("3","2","3","3","1","6","3","1") = "5"
    & skf21("3","2","3","3","1","6","4","1") = "5"
    & skf21("3","2","3","3","1","6","5","1") = "5"
    & skf21("3","2","3","3","1","6","6","1") = "5"
    & skf21("3","2","3","3","1","6","7","1") = "6"
    & skf21("3","2","3","3","1","7","1","1") = "6"
    & skf21("3","2","3","3","1","7","2","1") = "6"
    & skf21("3","2","3","3","1","7","3","1") = "6"
    & skf21("3","2","3","3","1","7","4","1") = "6"
    & skf21("3","2","3","3","1","7","5","1") = "6"
    & skf21("3","2","3","3","1","7","6","1") = "6"
    & skf21("3","2","3","3","1","7","7","1") = "6"
    & skf21("3","2","3","3","2","1","1","1") = "2"
    & skf21("3","2","3","3","2","1","2","1") = "2"
    & skf21("3","2","3","3","2","1","3","1") = "2"
    & skf21("3","2","3","3","2","1","4","1") = "3"
    & skf21("3","2","3","3","2","1","5","1") = "4"
    & skf21("3","2","3","3","2","1","6","1") = "5"
    & skf21("3","2","3","3","2","1","7","1") = "6"
    & skf21("3","2","3","3","2","2","1","1") = "2"
    & skf21("3","2","3","3","2","2","2","1") = "2"
    & skf21("3","2","3","3","2","2","3","1") = "2"
    & skf21("3","2","3","3","2","2","4","1") = "3"
    & skf21("3","2","3","3","2","2","5","1") = "4"
    & skf21("3","2","3","3","2","2","6","1") = "5"
    & skf21("3","2","3","3","2","2","7","1") = "6"
    & skf21("3","2","3","3","2","3","1","1") = "2"
    & skf21("3","2","3","3","2","3","2","1") = "2"
    & skf21("3","2","3","3","2","3","3","1") = "2"
    & skf21("3","2","3","3","2","3","4","1") = "3"
    & skf21("3","2","3","3","2","3","5","1") = "4"
    & skf21("3","2","3","3","2","3","6","1") = "5"
    & skf21("3","2","3","3","2","3","7","1") = "6"
    & skf21("3","2","3","3","2","4","1","1") = "3"
    & skf21("3","2","3","3","2","4","2","1") = "3"
    & skf21("3","2","3","3","2","4","3","1") = "3"
    & skf21("3","2","3","3","2","4","4","1") = "3"
    & skf21("3","2","3","3","2","4","5","1") = "4"
    & skf21("3","2","3","3","2","4","6","1") = "5"
    & skf21("3","2","3","3","2","4","7","1") = "6"
    & skf21("3","2","3","3","2","5","1","1") = "4"
    & skf21("3","2","3","3","2","5","2","1") = "4"
    & skf21("3","2","3","3","2","5","3","1") = "4"
    & skf21("3","2","3","3","2","5","4","1") = "4"
    & skf21("3","2","3","3","2","5","5","1") = "4"
    & skf21("3","2","3","3","2","5","6","1") = "5"
    & skf21("3","2","3","3","2","5","7","1") = "6"
    & skf21("3","2","3","3","2","6","1","1") = "5"
    & skf21("3","2","3","3","2","6","2","1") = "5"
    & skf21("3","2","3","3","2","6","3","1") = "5"
    & skf21("3","2","3","3","2","6","4","1") = "5"
    & skf21("3","2","3","3","2","6","5","1") = "5"
    & skf21("3","2","3","3","2","6","6","1") = "5"
    & skf21("3","2","3","3","2","6","7","1") = "6"
    & skf21("3","2","3","3","2","7","1","1") = "6"
    & skf21("3","2","3","3","2","7","2","1") = "6"
    & skf21("3","2","3","3","2","7","3","1") = "6"
    & skf21("3","2","3","3","2","7","4","1") = "6"
    & skf21("3","2","3","3","2","7","5","1") = "6"
    & skf21("3","2","3","3","2","7","6","1") = "6"
    & skf21("3","2","3","3","2","7","7","1") = "6"
    & skf21("3","2","3","3","3","1","1","1") = "2"
    & skf21("3","2","3","3","3","1","2","1") = "2"
    & skf21("3","2","3","3","3","1","3","1") = "2"
    & skf21("3","2","3","3","3","1","4","1") = "3"
    & skf21("3","2","3","3","3","1","5","1") = "4"
    & skf21("3","2","3","3","3","1","6","1") = "5"
    & skf21("3","2","3","3","3","1","7","1") = "6"
    & skf21("3","2","3","3","3","2","1","1") = "2"
    & skf21("3","2","3","3","3","2","2","1") = "2"
    & skf21("3","2","3","3","3","2","3","1") = "2"
    & skf21("3","2","3","3","3","2","4","1") = "3"
    & skf21("3","2","3","3","3","2","5","1") = "4"
    & skf21("3","2","3","3","3","2","6","1") = "5"
    & skf21("3","2","3","3","3","2","7","1") = "6"
    & skf21("3","2","3","3","3","3","1","1") = "2"
    & skf21("3","2","3","3","3","3","2","1") = "2"
    & skf21("3","2","3","3","3","3","3","1") = "2"
    & skf21("3","2","3","3","3","3","4","1") = "3"
    & skf21("3","2","3","3","3","3","5","1") = "4"
    & skf21("3","2","3","3","3","3","6","1") = "5"
    & skf21("3","2","3","3","3","3","7","1") = "6"
    & skf21("3","2","3","3","3","4","1","1") = "3"
    & skf21("3","2","3","3","3","4","2","1") = "3"
    & skf21("3","2","3","3","3","4","3","1") = "3"
    & skf21("3","2","3","3","3","4","4","1") = "3"
    & skf21("3","2","3","3","3","4","5","1") = "4"
    & skf21("3","2","3","3","3","4","6","1") = "5"
    & skf21("3","2","3","3","3","4","7","1") = "6"
    & skf21("3","2","3","3","3","5","1","1") = "4"
    & skf21("3","2","3","3","3","5","2","1") = "4"
    & skf21("3","2","3","3","3","5","3","1") = "4"
    & skf21("3","2","3","3","3","5","4","1") = "4"
    & skf21("3","2","3","3","3","5","5","1") = "4"
    & skf21("3","2","3","3","3","5","6","1") = "5"
    & skf21("3","2","3","3","3","5","7","1") = "6"
    & skf21("3","2","3","3","3","6","1","1") = "5"
    & skf21("3","2","3","3","3","6","2","1") = "5"
    & skf21("3","2","3","3","3","6","3","1") = "5"
    & skf21("3","2","3","3","3","6","4","1") = "5"
    & skf21("3","2","3","3","3","6","5","1") = "5"
    & skf21("3","2","3","3","3","6","6","1") = "5"
    & skf21("3","2","3","3","3","6","7","1") = "6"
    & skf21("3","2","3","3","3","7","1","1") = "6"
    & skf21("3","2","3","3","3","7","2","1") = "6"
    & skf21("3","2","3","3","3","7","3","1") = "6"
    & skf21("3","2","3","3","3","7","4","1") = "6"
    & skf21("3","2","3","3","3","7","5","1") = "6"
    & skf21("3","2","3","3","3","7","6","1") = "6"
    & skf21("3","2","3","3","3","7","7","1") = "6"
    & skf21("3","2","3","3","4","1","1","1") = "3"
    & skf21("3","2","3","3","4","1","2","1") = "3"
    & skf21("3","2","3","3","4","1","3","1") = "3"
    & skf21("3","2","3","3","4","1","4","1") = "3"
    & skf21("3","2","3","3","4","1","5","1") = "4"
    & skf21("3","2","3","3","4","1","6","1") = "5"
    & skf21("3","2","3","3","4","1","7","1") = "6"
    & skf21("3","2","3","3","4","2","1","1") = "3"
    & skf21("3","2","3","3","4","2","2","1") = "3"
    & skf21("3","2","3","3","4","2","3","1") = "3"
    & skf21("3","2","3","3","4","2","4","1") = "3"
    & skf21("3","2","3","3","4","2","5","1") = "4"
    & skf21("3","2","3","3","4","2","6","1") = "5"
    & skf21("3","2","3","3","4","2","7","1") = "6"
    & skf21("3","2","3","3","4","3","1","1") = "3"
    & skf21("3","2","3","3","4","3","2","1") = "3"
    & skf21("3","2","3","3","4","3","3","1") = "3"
    & skf21("3","2","3","3","4","3","4","1") = "3"
    & skf21("3","2","3","3","4","3","5","1") = "4"
    & skf21("3","2","3","3","4","3","6","1") = "5"
    & skf21("3","2","3","3","4","3","7","1") = "6"
    & skf21("3","2","3","3","4","4","1","1") = "3"
    & skf21("3","2","3","3","4","4","2","1") = "3"
    & skf21("3","2","3","3","4","4","3","1") = "3"
    & skf21("3","2","3","3","4","4","4","1") = "3"
    & skf21("3","2","3","3","4","4","5","1") = "4"
    & skf21("3","2","3","3","4","4","6","1") = "5"
    & skf21("3","2","3","3","4","4","7","1") = "6"
    & skf21("3","2","3","3","4","5","1","1") = "4"
    & skf21("3","2","3","3","4","5","2","1") = "4"
    & skf21("3","2","3","3","4","5","3","1") = "4"
    & skf21("3","2","3","3","4","5","4","1") = "4"
    & skf21("3","2","3","3","4","5","5","1") = "4"
    & skf21("3","2","3","3","4","5","6","1") = "5"
    & skf21("3","2","3","3","4","5","7","1") = "6"
    & skf21("3","2","3","3","4","6","1","1") = "5"
    & skf21("3","2","3","3","4","6","2","1") = "5"
    & skf21("3","2","3","3","4","6","3","1") = "5"
    & skf21("3","2","3","3","4","6","4","1") = "5"
    & skf21("3","2","3","3","4","6","5","1") = "5"
    & skf21("3","2","3","3","4","6","6","1") = "5"
    & skf21("3","2","3","3","4","6","7","1") = "6"
    & skf21("3","2","3","3","4","7","1","1") = "6"
    & skf21("3","2","3","3","4","7","2","1") = "6"
    & skf21("3","2","3","3","4","7","3","1") = "6"
    & skf21("3","2","3","3","4","7","4","1") = "6"
    & skf21("3","2","3","3","4","7","5","1") = "6"
    & skf21("3","2","3","3","4","7","6","1") = "6"
    & skf21("3","2","3","3","4","7","7","1") = "6"
    & skf21("3","2","3","3","5","1","1","1") = "4"
    & skf21("3","2","3","3","5","1","2","1") = "4"
    & skf21("3","2","3","3","5","1","3","1") = "4"
    & skf21("3","2","3","3","5","1","4","1") = "4"
    & skf21("3","2","3","3","5","1","5","1") = "4"
    & skf21("3","2","3","3","5","1","6","1") = "5"
    & skf21("3","2","3","3","5","1","7","1") = "6"
    & skf21("3","2","3","3","5","2","1","1") = "4"
    & skf21("3","2","3","3","5","2","2","1") = "4"
    & skf21("3","2","3","3","5","2","3","1") = "4"
    & skf21("3","2","3","3","5","2","4","1") = "4"
    & skf21("3","2","3","3","5","2","5","1") = "4"
    & skf21("3","2","3","3","5","2","6","1") = "5"
    & skf21("3","2","3","3","5","2","7","1") = "6"
    & skf21("3","2","3","3","5","3","1","1") = "4"
    & skf21("3","2","3","3","5","3","2","1") = "4"
    & skf21("3","2","3","3","5","3","3","1") = "4"
    & skf21("3","2","3","3","5","3","4","1") = "4"
    & skf21("3","2","3","3","5","3","5","1") = "4"
    & skf21("3","2","3","3","5","3","6","1") = "5"
    & skf21("3","2","3","3","5","3","7","1") = "6"
    & skf21("3","2","3","3","5","4","1","1") = "4"
    & skf21("3","2","3","3","5","4","2","1") = "4"
    & skf21("3","2","3","3","5","4","3","1") = "4"
    & skf21("3","2","3","3","5","4","4","1") = "4"
    & skf21("3","2","3","3","5","4","5","1") = "4"
    & skf21("3","2","3","3","5","4","6","1") = "5"
    & skf21("3","2","3","3","5","4","7","1") = "6"
    & skf21("3","2","3","3","5","5","1","1") = "4"
    & skf21("3","2","3","3","5","5","2","1") = "4"
    & skf21("3","2","3","3","5","5","3","1") = "4"
    & skf21("3","2","3","3","5","5","4","1") = "4"
    & skf21("3","2","3","3","5","5","5","1") = "4"
    & skf21("3","2","3","3","5","5","6","1") = "5"
    & skf21("3","2","3","3","5","5","7","1") = "6"
    & skf21("3","2","3","3","5","6","1","1") = "5"
    & skf21("3","2","3","3","5","6","2","1") = "5"
    & skf21("3","2","3","3","5","6","3","1") = "5"
    & skf21("3","2","3","3","5","6","4","1") = "5"
    & skf21("3","2","3","3","5","6","5","1") = "5"
    & skf21("3","2","3","3","5","6","6","1") = "5"
    & skf21("3","2","3","3","5","6","7","1") = "6"
    & skf21("3","2","3","3","5","7","1","1") = "6"
    & skf21("3","2","3","3","5","7","2","1") = "6"
    & skf21("3","2","3","3","5","7","3","1") = "6"
    & skf21("3","2","3","3","5","7","4","1") = "6"
    & skf21("3","2","3","3","5","7","5","1") = "6"
    & skf21("3","2","3","3","5","7","6","1") = "6"
    & skf21("3","2","3","3","5","7","7","1") = "6"
    & skf21("3","2","3","3","6","1","1","1") = "5"
    & skf21("3","2","3","3","6","1","2","1") = "5"
    & skf21("3","2","3","3","6","1","3","1") = "5"
    & skf21("3","2","3","3","6","1","4","1") = "5"
    & skf21("3","2","3","3","6","1","5","1") = "5"
    & skf21("3","2","3","3","6","1","6","1") = "5"
    & skf21("3","2","3","3","6","1","7","1") = "6"
    & skf21("3","2","3","3","6","2","1","1") = "5"
    & skf21("3","2","3","3","6","2","2","1") = "5"
    & skf21("3","2","3","3","6","2","3","1") = "5"
    & skf21("3","2","3","3","6","2","4","1") = "5"
    & skf21("3","2","3","3","6","2","5","1") = "5"
    & skf21("3","2","3","3","6","2","6","1") = "5"
    & skf21("3","2","3","3","6","2","7","1") = "6"
    & skf21("3","2","3","3","6","3","1","1") = "5"
    & skf21("3","2","3","3","6","3","2","1") = "5"
    & skf21("3","2","3","3","6","3","3","1") = "5"
    & skf21("3","2","3","3","6","3","4","1") = "5"
    & skf21("3","2","3","3","6","3","5","1") = "5"
    & skf21("3","2","3","3","6","3","6","1") = "5"
    & skf21("3","2","3","3","6","3","7","1") = "6"
    & skf21("3","2","3","3","6","4","1","1") = "5"
    & skf21("3","2","3","3","6","4","2","1") = "5"
    & skf21("3","2","3","3","6","4","3","1") = "5"
    & skf21("3","2","3","3","6","4","4","1") = "5"
    & skf21("3","2","3","3","6","4","5","1") = "5"
    & skf21("3","2","3","3","6","4","6","1") = "5"
    & skf21("3","2","3","3","6","4","7","1") = "6"
    & skf21("3","2","3","3","6","5","1","1") = "5"
    & skf21("3","2","3","3","6","5","2","1") = "5"
    & skf21("3","2","3","3","6","5","3","1") = "5"
    & skf21("3","2","3","3","6","5","4","1") = "5"
    & skf21("3","2","3","3","6","5","5","1") = "5"
    & skf21("3","2","3","3","6","5","6","1") = "5"
    & skf21("3","2","3","3","6","5","7","1") = "6"
    & skf21("3","2","3","3","6","6","1","1") = "5"
    & skf21("3","2","3","3","6","6","2","1") = "5"
    & skf21("3","2","3","3","6","6","3","1") = "5"
    & skf21("3","2","3","3","6","6","4","1") = "5"
    & skf21("3","2","3","3","6","6","5","1") = "5"
    & skf21("3","2","3","3","6","6","6","1") = "5"
    & skf21("3","2","3","3","6","6","7","1") = "6"
    & skf21("3","2","3","3","6","7","1","1") = "6"
    & skf21("3","2","3","3","6","7","2","1") = "6"
    & skf21("3","2","3","3","6","7","3","1") = "6"
    & skf21("3","2","3","3","6","7","4","1") = "6"
    & skf21("3","2","3","3","6","7","5","1") = "6"
    & skf21("3","2","3","3","6","7","6","1") = "6"
    & skf21("3","2","3","3","6","7","7","1") = "6"
    & skf21("3","2","3","3","7","1","1","1") = "6"
    & skf21("3","2","3","3","7","1","2","1") = "6"
    & skf21("3","2","3","3","7","1","3","1") = "6"
    & skf21("3","2","3","3","7","1","4","1") = "6"
    & skf21("3","2","3","3","7","1","5","1") = "6"
    & skf21("3","2","3","3","7","1","6","1") = "6"
    & skf21("3","2","3","3","7","1","7","1") = "6"
    & skf21("3","2","3","3","7","2","1","1") = "6"
    & skf21("3","2","3","3","7","2","2","1") = "6"
    & skf21("3","2","3","3","7","2","3","1") = "6"
    & skf21("3","2","3","3","7","2","4","1") = "6"
    & skf21("3","2","3","3","7","2","5","1") = "6"
    & skf21("3","2","3","3","7","2","6","1") = "6"
    & skf21("3","2","3","3","7","2","7","1") = "6"
    & skf21("3","2","3","3","7","3","1","1") = "6"
    & skf21("3","2","3","3","7","3","2","1") = "6"
    & skf21("3","2","3","3","7","3","3","1") = "6"
    & skf21("3","2","3","3","7","3","4","1") = "6"
    & skf21("3","2","3","3","7","3","5","1") = "6"
    & skf21("3","2","3","3","7","3","6","1") = "6"
    & skf21("3","2","3","3","7","3","7","1") = "6"
    & skf21("3","2","3","3","7","4","1","1") = "6"
    & skf21("3","2","3","3","7","4","2","1") = "6"
    & skf21("3","2","3","3","7","4","3","1") = "6"
    & skf21("3","2","3","3","7","4","4","1") = "6"
    & skf21("3","2","3","3","7","4","5","1") = "6"
    & skf21("3","2","3","3","7","4","6","1") = "6"
    & skf21("3","2","3","3","7","4","7","1") = "6"
    & skf21("3","2","3","3","7","5","1","1") = "6"
    & skf21("3","2","3","3","7","5","2","1") = "6"
    & skf21("3","2","3","3","7","5","3","1") = "6"
    & skf21("3","2","3","3","7","5","4","1") = "6"
    & skf21("3","2","3","3","7","5","5","1") = "6"
    & skf21("3","2","3","3","7","5","6","1") = "6"
    & skf21("3","2","3","3","7","5","7","1") = "6"
    & skf21("3","2","3","3","7","6","1","1") = "6"
    & skf21("3","2","3","3","7","6","2","1") = "6"
    & skf21("3","2","3","3","7","6","3","1") = "6"
    & skf21("3","2","3","3","7","6","4","1") = "6"
    & skf21("3","2","3","3","7","6","5","1") = "6"
    & skf21("3","2","3","3","7","6","6","1") = "6"
    & skf21("3","2","3","3","7","6","7","1") = "6"
    & skf21("3","2","3","3","7","7","1","1") = "6"
    & skf21("3","2","3","3","7","7","2","1") = "6"
    & skf21("3","2","3","3","7","7","3","1") = "6"
    & skf21("3","2","3","3","7","7","4","1") = "6"
    & skf21("3","2","3","3","7","7","5","1") = "6"
    & skf21("3","2","3","3","7","7","6","1") = "6"
    & skf21("3","2","3","3","7","7","7","1") = "6"
    & skf21("3","2","3","4","1","1","1","1") = "3"
    & skf21("3","2","3","4","1","1","2","1") = "3"
    & skf21("3","2","3","4","1","1","3","1") = "3"
    & skf21("3","2","3","4","1","1","4","1") = "3"
    & skf21("3","2","3","4","1","1","5","1") = "4"
    & skf21("3","2","3","4","1","1","6","1") = "5"
    & skf21("3","2","3","4","1","1","7","1") = "6"
    & skf21("3","2","3","4","1","2","1","1") = "3"
    & skf21("3","2","3","4","1","2","2","1") = "3"
    & skf21("3","2","3","4","1","2","3","1") = "3"
    & skf21("3","2","3","4","1","2","4","1") = "3"
    & skf21("3","2","3","4","1","2","5","1") = "4"
    & skf21("3","2","3","4","1","2","6","1") = "5"
    & skf21("3","2","3","4","1","2","7","1") = "6"
    & skf21("3","2","3","4","1","3","1","1") = "3"
    & skf21("3","2","3","4","1","3","2","1") = "3"
    & skf21("3","2","3","4","1","3","3","1") = "3"
    & skf21("3","2","3","4","1","3","4","1") = "3"
    & skf21("3","2","3","4","1","3","5","1") = "4"
    & skf21("3","2","3","4","1","3","6","1") = "5"
    & skf21("3","2","3","4","1","3","7","1") = "6"
    & skf21("3","2","3","4","1","4","1","1") = "3"
    & skf21("3","2","3","4","1","4","2","1") = "3"
    & skf21("3","2","3","4","1","4","3","1") = "3"
    & skf21("3","2","3","4","1","4","4","1") = "3"
    & skf21("3","2","3","4","1","4","5","1") = "4"
    & skf21("3","2","3","4","1","4","6","1") = "5"
    & skf21("3","2","3","4","1","4","7","1") = "6"
    & skf21("3","2","3","4","1","5","1","1") = "4"
    & skf21("3","2","3","4","1","5","2","1") = "4"
    & skf21("3","2","3","4","1","5","3","1") = "4"
    & skf21("3","2","3","4","1","5","4","1") = "4"
    & skf21("3","2","3","4","1","5","5","1") = "4"
    & skf21("3","2","3","4","1","5","6","1") = "5"
    & skf21("3","2","3","4","1","5","7","1") = "6"
    & skf21("3","2","3","4","1","6","1","1") = "5"
    & skf21("3","2","3","4","1","6","2","1") = "5"
    & skf21("3","2","3","4","1","6","3","1") = "5"
    & skf21("3","2","3","4","1","6","4","1") = "5"
    & skf21("3","2","3","4","1","6","5","1") = "5"
    & skf21("3","2","3","4","1","6","6","1") = "5"
    & skf21("3","2","3","4","1","6","7","1") = "6"
    & skf21("3","2","3","4","1","7","1","1") = "6"
    & skf21("3","2","3","4","1","7","2","1") = "6"
    & skf21("3","2","3","4","1","7","3","1") = "6"
    & skf21("3","2","3","4","1","7","4","1") = "6"
    & skf21("3","2","3","4","1","7","5","1") = "6"
    & skf21("3","2","3","4","1","7","6","1") = "6"
    & skf21("3","2","3","4","1","7","7","1") = "6"
    & skf21("3","2","3","4","2","1","1","1") = "3"
    & skf21("3","2","3","4","2","1","2","1") = "3"
    & skf21("3","2","3","4","2","1","3","1") = "3"
    & skf21("3","2","3","4","2","1","4","1") = "3"
    & skf21("3","2","3","4","2","1","5","1") = "4"
    & skf21("3","2","3","4","2","1","6","1") = "5"
    & skf21("3","2","3","4","2","1","7","1") = "6"
    & skf21("3","2","3","4","2","2","1","1") = "3"
    & skf21("3","2","3","4","2","2","2","1") = "3"
    & skf21("3","2","3","4","2","2","3","1") = "3"
    & skf21("3","2","3","4","2","2","4","1") = "3"
    & skf21("3","2","3","4","2","2","5","1") = "4"
    & skf21("3","2","3","4","2","2","6","1") = "5"
    & skf21("3","2","3","4","2","2","7","1") = "6"
    & skf21("3","2","3","4","2","3","1","1") = "3"
    & skf21("3","2","3","4","2","3","2","1") = "3"
    & skf21("3","2","3","4","2","3","3","1") = "3"
    & skf21("3","2","3","4","2","3","4","1") = "3"
    & skf21("3","2","3","4","2","3","5","1") = "4"
    & skf21("3","2","3","4","2","3","6","1") = "5"
    & skf21("3","2","3","4","2","3","7","1") = "6"
    & skf21("3","2","3","4","2","4","1","1") = "3"
    & skf21("3","2","3","4","2","4","2","1") = "3"
    & skf21("3","2","3","4","2","4","3","1") = "3"
    & skf21("3","2","3","4","2","4","4","1") = "3"
    & skf21("3","2","3","4","2","4","5","1") = "4"
    & skf21("3","2","3","4","2","4","6","1") = "5"
    & skf21("3","2","3","4","2","4","7","1") = "6"
    & skf21("3","2","3","4","2","5","1","1") = "4"
    & skf21("3","2","3","4","2","5","2","1") = "4"
    & skf21("3","2","3","4","2","5","3","1") = "4"
    & skf21("3","2","3","4","2","5","4","1") = "4"
    & skf21("3","2","3","4","2","5","5","1") = "4"
    & skf21("3","2","3","4","2","5","6","1") = "5"
    & skf21("3","2","3","4","2","5","7","1") = "6"
    & skf21("3","2","3","4","2","6","1","1") = "5"
    & skf21("3","2","3","4","2","6","2","1") = "5"
    & skf21("3","2","3","4","2","6","3","1") = "5"
    & skf21("3","2","3","4","2","6","4","1") = "5"
    & skf21("3","2","3","4","2","6","5","1") = "5"
    & skf21("3","2","3","4","2","6","6","1") = "5"
    & skf21("3","2","3","4","2","6","7","1") = "6"
    & skf21("3","2","3","4","2","7","1","1") = "6"
    & skf21("3","2","3","4","2","7","2","1") = "6"
    & skf21("3","2","3","4","2","7","3","1") = "6"
    & skf21("3","2","3","4","2","7","4","1") = "6"
    & skf21("3","2","3","4","2","7","5","1") = "6"
    & skf21("3","2","3","4","2","7","6","1") = "6"
    & skf21("3","2","3","4","2","7","7","1") = "6"
    & skf21("3","2","3","4","3","1","1","1") = "3"
    & skf21("3","2","3","4","3","1","2","1") = "3"
    & skf21("3","2","3","4","3","1","3","1") = "3"
    & skf21("3","2","3","4","3","1","4","1") = "3"
    & skf21("3","2","3","4","3","1","5","1") = "4"
    & skf21("3","2","3","4","3","1","6","1") = "5"
    & skf21("3","2","3","4","3","1","7","1") = "6"
    & skf21("3","2","3","4","3","2","1","1") = "3"
    & skf21("3","2","3","4","3","2","2","1") = "3"
    & skf21("3","2","3","4","3","2","3","1") = "3"
    & skf21("3","2","3","4","3","2","4","1") = "3"
    & skf21("3","2","3","4","3","2","5","1") = "4"
    & skf21("3","2","3","4","3","2","6","1") = "5"
    & skf21("3","2","3","4","3","2","7","1") = "6"
    & skf21("3","2","3","4","3","3","1","1") = "3"
    & skf21("3","2","3","4","3","3","2","1") = "3"
    & skf21("3","2","3","4","3","3","3","1") = "3"
    & skf21("3","2","3","4","3","3","4","1") = "3"
    & skf21("3","2","3","4","3","3","5","1") = "4"
    & skf21("3","2","3","4","3","3","6","1") = "5"
    & skf21("3","2","3","4","3","3","7","1") = "6"
    & skf21("3","2","3","4","3","4","1","1") = "3"
    & skf21("3","2","3","4","3","4","2","1") = "3"
    & skf21("3","2","3","4","3","4","3","1") = "3"
    & skf21("3","2","3","4","3","4","4","1") = "3"
    & skf21("3","2","3","4","3","4","5","1") = "4"
    & skf21("3","2","3","4","3","4","6","1") = "5"
    & skf21("3","2","3","4","3","4","7","1") = "6"
    & skf21("3","2","3","4","3","5","1","1") = "4"
    & skf21("3","2","3","4","3","5","2","1") = "4"
    & skf21("3","2","3","4","3","5","3","1") = "4"
    & skf21("3","2","3","4","3","5","4","1") = "4"
    & skf21("3","2","3","4","3","5","5","1") = "4"
    & skf21("3","2","3","4","3","5","6","1") = "5"
    & skf21("3","2","3","4","3","5","7","1") = "6"
    & skf21("3","2","3","4","3","6","1","1") = "5"
    & skf21("3","2","3","4","3","6","2","1") = "5"
    & skf21("3","2","3","4","3","6","3","1") = "5"
    & skf21("3","2","3","4","3","6","4","1") = "5"
    & skf21("3","2","3","4","3","6","5","1") = "5"
    & skf21("3","2","3","4","3","6","6","1") = "5"
    & skf21("3","2","3","4","3","6","7","1") = "6"
    & skf21("3","2","3","4","3","7","1","1") = "6"
    & skf21("3","2","3","4","3","7","2","1") = "6"
    & skf21("3","2","3","4","3","7","3","1") = "6"
    & skf21("3","2","3","4","3","7","4","1") = "6"
    & skf21("3","2","3","4","3","7","5","1") = "6"
    & skf21("3","2","3","4","3","7","6","1") = "6"
    & skf21("3","2","3","4","3","7","7","1") = "6"
    & skf21("3","2","3","4","4","1","1","1") = "3"
    & skf21("3","2","3","4","4","1","2","1") = "3"
    & skf21("3","2","3","4","4","1","3","1") = "3"
    & skf21("3","2","3","4","4","1","4","1") = "3"
    & skf21("3","2","3","4","4","1","5","1") = "4"
    & skf21("3","2","3","4","4","1","6","1") = "5"
    & skf21("3","2","3","4","4","1","7","1") = "6"
    & skf21("3","2","3","4","4","2","1","1") = "3"
    & skf21("3","2","3","4","4","2","2","1") = "3"
    & skf21("3","2","3","4","4","2","3","1") = "3"
    & skf21("3","2","3","4","4","2","4","1") = "3"
    & skf21("3","2","3","4","4","2","5","1") = "4"
    & skf21("3","2","3","4","4","2","6","1") = "5"
    & skf21("3","2","3","4","4","2","7","1") = "6"
    & skf21("3","2","3","4","4","3","1","1") = "3"
    & skf21("3","2","3","4","4","3","2","1") = "3"
    & skf21("3","2","3","4","4","3","3","1") = "3"
    & skf21("3","2","3","4","4","3","4","1") = "3"
    & skf21("3","2","3","4","4","3","5","1") = "4"
    & skf21("3","2","3","4","4","3","6","1") = "5"
    & skf21("3","2","3","4","4","3","7","1") = "6"
    & skf21("3","2","3","4","4","4","1","1") = "3"
    & skf21("3","2","3","4","4","4","2","1") = "3"
    & skf21("3","2","3","4","4","4","3","1") = "3"
    & skf21("3","2","3","4","4","4","4","1") = "3"
    & skf21("3","2","3","4","4","4","5","1") = "4"
    & skf21("3","2","3","4","4","4","6","1") = "5"
    & skf21("3","2","3","4","4","4","7","1") = "6"
    & skf21("3","2","3","4","4","5","1","1") = "4"
    & skf21("3","2","3","4","4","5","2","1") = "4"
    & skf21("3","2","3","4","4","5","3","1") = "4"
    & skf21("3","2","3","4","4","5","4","1") = "4"
    & skf21("3","2","3","4","4","5","5","1") = "4"
    & skf21("3","2","3","4","4","5","6","1") = "5"
    & skf21("3","2","3","4","4","5","7","1") = "6"
    & skf21("3","2","3","4","4","6","1","1") = "5"
    & skf21("3","2","3","4","4","6","2","1") = "5"
    & skf21("3","2","3","4","4","6","3","1") = "5"
    & skf21("3","2","3","4","4","6","4","1") = "5"
    & skf21("3","2","3","4","4","6","5","1") = "5"
    & skf21("3","2","3","4","4","6","6","1") = "5"
    & skf21("3","2","3","4","4","6","7","1") = "6"
    & skf21("3","2","3","4","4","7","1","1") = "6"
    & skf21("3","2","3","4","4","7","2","1") = "6"
    & skf21("3","2","3","4","4","7","3","1") = "6"
    & skf21("3","2","3","4","4","7","4","1") = "6"
    & skf21("3","2","3","4","4","7","5","1") = "6"
    & skf21("3","2","3","4","4","7","6","1") = "6"
    & skf21("3","2","3","4","4","7","7","1") = "6"
    & skf21("3","2","3","4","5","1","1","1") = "4"
    & skf21("3","2","3","4","5","1","2","1") = "4"
    & skf21("3","2","3","4","5","1","3","1") = "4"
    & skf21("3","2","3","4","5","1","4","1") = "4"
    & skf21("3","2","3","4","5","1","5","1") = "4"
    & skf21("3","2","3","4","5","1","6","1") = "5"
    & skf21("3","2","3","4","5","1","7","1") = "6"
    & skf21("3","2","3","4","5","2","1","1") = "4"
    & skf21("3","2","3","4","5","2","2","1") = "4"
    & skf21("3","2","3","4","5","2","3","1") = "4"
    & skf21("3","2","3","4","5","2","4","1") = "4"
    & skf21("3","2","3","4","5","2","5","1") = "4"
    & skf21("3","2","3","4","5","2","6","1") = "5"
    & skf21("3","2","3","4","5","2","7","1") = "6"
    & skf21("3","2","3","4","5","3","1","1") = "4"
    & skf21("3","2","3","4","5","3","2","1") = "4"
    & skf21("3","2","3","4","5","3","3","1") = "4"
    & skf21("3","2","3","4","5","3","4","1") = "4"
    & skf21("3","2","3","4","5","3","5","1") = "4"
    & skf21("3","2","3","4","5","3","6","1") = "5"
    & skf21("3","2","3","4","5","3","7","1") = "6"
    & skf21("3","2","3","4","5","4","1","1") = "4"
    & skf21("3","2","3","4","5","4","2","1") = "4"
    & skf21("3","2","3","4","5","4","3","1") = "4"
    & skf21("3","2","3","4","5","4","4","1") = "4"
    & skf21("3","2","3","4","5","4","5","1") = "4"
    & skf21("3","2","3","4","5","4","6","1") = "5"
    & skf21("3","2","3","4","5","4","7","1") = "6"
    & skf21("3","2","3","4","5","5","1","1") = "4"
    & skf21("3","2","3","4","5","5","2","1") = "4"
    & skf21("3","2","3","4","5","5","3","1") = "4"
    & skf21("3","2","3","4","5","5","4","1") = "4"
    & skf21("3","2","3","4","5","5","5","1") = "4"
    & skf21("3","2","3","4","5","5","6","1") = "5"
    & skf21("3","2","3","4","5","5","7","1") = "6"
    & skf21("3","2","3","4","5","6","1","1") = "5"
    & skf21("3","2","3","4","5","6","2","1") = "5"
    & skf21("3","2","3","4","5","6","3","1") = "5"
    & skf21("3","2","3","4","5","6","4","1") = "5"
    & skf21("3","2","3","4","5","6","5","1") = "5"
    & skf21("3","2","3","4","5","6","6","1") = "5"
    & skf21("3","2","3","4","5","6","7","1") = "6"
    & skf21("3","2","3","4","5","7","1","1") = "6"
    & skf21("3","2","3","4","5","7","2","1") = "6"
    & skf21("3","2","3","4","5","7","3","1") = "6"
    & skf21("3","2","3","4","5","7","4","1") = "6"
    & skf21("3","2","3","4","5","7","5","1") = "6"
    & skf21("3","2","3","4","5","7","6","1") = "6"
    & skf21("3","2","3","4","5","7","7","1") = "6"
    & skf21("3","2","3","4","6","1","1","1") = "5"
    & skf21("3","2","3","4","6","1","2","1") = "5"
    & skf21("3","2","3","4","6","1","3","1") = "5"
    & skf21("3","2","3","4","6","1","4","1") = "5"
    & skf21("3","2","3","4","6","1","5","1") = "5"
    & skf21("3","2","3","4","6","1","6","1") = "5"
    & skf21("3","2","3","4","6","1","7","1") = "6"
    & skf21("3","2","3","4","6","2","1","1") = "5"
    & skf21("3","2","3","4","6","2","2","1") = "5"
    & skf21("3","2","3","4","6","2","3","1") = "5"
    & skf21("3","2","3","4","6","2","4","1") = "5"
    & skf21("3","2","3","4","6","2","5","1") = "5"
    & skf21("3","2","3","4","6","2","6","1") = "5"
    & skf21("3","2","3","4","6","2","7","1") = "6"
    & skf21("3","2","3","4","6","3","1","1") = "5"
    & skf21("3","2","3","4","6","3","2","1") = "5"
    & skf21("3","2","3","4","6","3","3","1") = "5"
    & skf21("3","2","3","4","6","3","4","1") = "5"
    & skf21("3","2","3","4","6","3","5","1") = "5"
    & skf21("3","2","3","4","6","3","6","1") = "5"
    & skf21("3","2","3","4","6","3","7","1") = "6"
    & skf21("3","2","3","4","6","4","1","1") = "5"
    & skf21("3","2","3","4","6","4","2","1") = "5"
    & skf21("3","2","3","4","6","4","3","1") = "5"
    & skf21("3","2","3","4","6","4","4","1") = "5"
    & skf21("3","2","3","4","6","4","5","1") = "5"
    & skf21("3","2","3","4","6","4","6","1") = "5"
    & skf21("3","2","3","4","6","4","7","1") = "6"
    & skf21("3","2","3","4","6","5","1","1") = "5"
    & skf21("3","2","3","4","6","5","2","1") = "5"
    & skf21("3","2","3","4","6","5","3","1") = "5"
    & skf21("3","2","3","4","6","5","4","1") = "5"
    & skf21("3","2","3","4","6","5","5","1") = "5"
    & skf21("3","2","3","4","6","5","6","1") = "5"
    & skf21("3","2","3","4","6","5","7","1") = "6"
    & skf21("3","2","3","4","6","6","1","1") = "5"
    & skf21("3","2","3","4","6","6","2","1") = "5"
    & skf21("3","2","3","4","6","6","3","1") = "5"
    & skf21("3","2","3","4","6","6","4","1") = "5"
    & skf21("3","2","3","4","6","6","5","1") = "5"
    & skf21("3","2","3","4","6","6","6","1") = "5"
    & skf21("3","2","3","4","6","6","7","1") = "6"
    & skf21("3","2","3","4","6","7","1","1") = "6"
    & skf21("3","2","3","4","6","7","2","1") = "6"
    & skf21("3","2","3","4","6","7","3","1") = "6"
    & skf21("3","2","3","4","6","7","4","1") = "6"
    & skf21("3","2","3","4","6","7","5","1") = "6"
    & skf21("3","2","3","4","6","7","6","1") = "6"
    & skf21("3","2","3","4","6","7","7","1") = "6"
    & skf21("3","2","3","4","7","1","1","1") = "6"
    & skf21("3","2","3","4","7","1","2","1") = "6"
    & skf21("3","2","3","4","7","1","3","1") = "6"
    & skf21("3","2","3","4","7","1","4","1") = "6"
    & skf21("3","2","3","4","7","1","5","1") = "6"
    & skf21("3","2","3","4","7","1","6","1") = "6"
    & skf21("3","2","3","4","7","1","7","1") = "6"
    & skf21("3","2","3","4","7","2","1","1") = "6"
    & skf21("3","2","3","4","7","2","2","1") = "6"
    & skf21("3","2","3","4","7","2","3","1") = "6"
    & skf21("3","2","3","4","7","2","4","1") = "6"
    & skf21("3","2","3","4","7","2","5","1") = "6"
    & skf21("3","2","3","4","7","2","6","1") = "6"
    & skf21("3","2","3","4","7","2","7","1") = "6"
    & skf21("3","2","3","4","7","3","1","1") = "6"
    & skf21("3","2","3","4","7","3","2","1") = "6"
    & skf21("3","2","3","4","7","3","3","1") = "6"
    & skf21("3","2","3","4","7","3","4","1") = "6"
    & skf21("3","2","3","4","7","3","5","1") = "6"
    & skf21("3","2","3","4","7","3","6","1") = "6"
    & skf21("3","2","3","4","7","3","7","1") = "6"
    & skf21("3","2","3","4","7","4","1","1") = "6"
    & skf21("3","2","3","4","7","4","2","1") = "6"
    & skf21("3","2","3","4","7","4","3","1") = "6"
    & skf21("3","2","3","4","7","4","4","1") = "6"
    & skf21("3","2","3","4","7","4","5","1") = "6"
    & skf21("3","2","3","4","7","4","6","1") = "6"
    & skf21("3","2","3","4","7","4","7","1") = "6"
    & skf21("3","2","3","4","7","5","1","1") = "6"
    & skf21("3","2","3","4","7","5","2","1") = "6"
    & skf21("3","2","3","4","7","5","3","1") = "6"
    & skf21("3","2","3","4","7","5","4","1") = "6"
    & skf21("3","2","3","4","7","5","5","1") = "6"
    & skf21("3","2","3","4","7","5","6","1") = "6"
    & skf21("3","2","3","4","7","5","7","1") = "6"
    & skf21("3","2","3","4","7","6","1","1") = "6"
    & skf21("3","2","3","4","7","6","2","1") = "6"
    & skf21("3","2","3","4","7","6","3","1") = "6"
    & skf21("3","2","3","4","7","6","4","1") = "6"
    & skf21("3","2","3","4","7","6","5","1") = "6"
    & skf21("3","2","3","4","7","6","6","1") = "6"
    & skf21("3","2","3","4","7","6","7","1") = "6"
    & skf21("3","2","3","4","7","7","1","1") = "6"
    & skf21("3","2","3","4","7","7","2","1") = "6"
    & skf21("3","2","3","4","7","7","3","1") = "6"
    & skf21("3","2","3","4","7","7","4","1") = "6"
    & skf21("3","2","3","4","7","7","5","1") = "6"
    & skf21("3","2","3","4","7","7","6","1") = "6"
    & skf21("3","2","3","4","7","7","7","1") = "6"
    & skf21("3","2","3","5","1","1","1","1") = "4"
    & skf21("3","2","3","5","1","1","2","1") = "4"
    & skf21("3","2","3","5","1","1","3","1") = "4"
    & skf21("3","2","3","5","1","1","4","1") = "4"
    & skf21("3","2","3","5","1","1","5","1") = "4"
    & skf21("3","2","3","5","1","1","6","1") = "5"
    & skf21("3","2","3","5","1","1","7","1") = "6"
    & skf21("3","2","3","5","1","2","1","1") = "4"
    & skf21("3","2","3","5","1","2","2","1") = "4"
    & skf21("3","2","3","5","1","2","3","1") = "4"
    & skf21("3","2","3","5","1","2","4","1") = "4"
    & skf21("3","2","3","5","1","2","5","1") = "4"
    & skf21("3","2","3","5","1","2","6","1") = "5"
    & skf21("3","2","3","5","1","2","7","1") = "6"
    & skf21("3","2","3","5","1","3","1","1") = "4"
    & skf21("3","2","3","5","1","3","2","1") = "4"
    & skf21("3","2","3","5","1","3","3","1") = "4"
    & skf21("3","2","3","5","1","3","4","1") = "4"
    & skf21("3","2","3","5","1","3","5","1") = "4"
    & skf21("3","2","3","5","1","3","6","1") = "5"
    & skf21("3","2","3","5","1","3","7","1") = "6"
    & skf21("3","2","3","5","1","4","1","1") = "4"
    & skf21("3","2","3","5","1","4","2","1") = "4"
    & skf21("3","2","3","5","1","4","3","1") = "4"
    & skf21("3","2","3","5","1","4","4","1") = "4"
    & skf21("3","2","3","5","1","4","5","1") = "4"
    & skf21("3","2","3","5","1","4","6","1") = "5"
    & skf21("3","2","3","5","1","4","7","1") = "6"
    & skf21("3","2","3","5","1","5","1","1") = "4"
    & skf21("3","2","3","5","1","5","2","1") = "4"
    & skf21("3","2","3","5","1","5","3","1") = "4"
    & skf21("3","2","3","5","1","5","4","1") = "4"
    & skf21("3","2","3","5","1","5","5","1") = "4"
    & skf21("3","2","3","5","1","5","6","1") = "5"
    & skf21("3","2","3","5","1","5","7","1") = "6"
    & skf21("3","2","3","5","1","6","1","1") = "5"
    & skf21("3","2","3","5","1","6","2","1") = "5"
    & skf21("3","2","3","5","1","6","3","1") = "5"
    & skf21("3","2","3","5","1","6","4","1") = "5"
    & skf21("3","2","3","5","1","6","5","1") = "5"
    & skf21("3","2","3","5","1","6","6","1") = "5"
    & skf21("3","2","3","5","1","6","7","1") = "6"
    & skf21("3","2","3","5","1","7","1","1") = "6"
    & skf21("3","2","3","5","1","7","2","1") = "6"
    & skf21("3","2","3","5","1","7","3","1") = "6"
    & skf21("3","2","3","5","1","7","4","1") = "6"
    & skf21("3","2","3","5","1","7","5","1") = "6"
    & skf21("3","2","3","5","1","7","6","1") = "6"
    & skf21("3","2","3","5","1","7","7","1") = "6"
    & skf21("3","2","3","5","2","1","1","1") = "4"
    & skf21("3","2","3","5","2","1","2","1") = "4"
    & skf21("3","2","3","5","2","1","3","1") = "4"
    & skf21("3","2","3","5","2","1","4","1") = "4"
    & skf21("3","2","3","5","2","1","5","1") = "4"
    & skf21("3","2","3","5","2","1","6","1") = "5"
    & skf21("3","2","3","5","2","1","7","1") = "6"
    & skf21("3","2","3","5","2","2","1","1") = "4"
    & skf21("3","2","3","5","2","2","2","1") = "4"
    & skf21("3","2","3","5","2","2","3","1") = "4"
    & skf21("3","2","3","5","2","2","4","1") = "4"
    & skf21("3","2","3","5","2","2","5","1") = "4"
    & skf21("3","2","3","5","2","2","6","1") = "5"
    & skf21("3","2","3","5","2","2","7","1") = "6"
    & skf21("3","2","3","5","2","3","1","1") = "4"
    & skf21("3","2","3","5","2","3","2","1") = "4"
    & skf21("3","2","3","5","2","3","3","1") = "4"
    & skf21("3","2","3","5","2","3","4","1") = "4"
    & skf21("3","2","3","5","2","3","5","1") = "4"
    & skf21("3","2","3","5","2","3","6","1") = "5"
    & skf21("3","2","3","5","2","3","7","1") = "6"
    & skf21("3","2","3","5","2","4","1","1") = "4"
    & skf21("3","2","3","5","2","4","2","1") = "4"
    & skf21("3","2","3","5","2","4","3","1") = "4"
    & skf21("3","2","3","5","2","4","4","1") = "4"
    & skf21("3","2","3","5","2","4","5","1") = "4"
    & skf21("3","2","3","5","2","4","6","1") = "5"
    & skf21("3","2","3","5","2","4","7","1") = "6"
    & skf21("3","2","3","5","2","5","1","1") = "4"
    & skf21("3","2","3","5","2","5","2","1") = "4"
    & skf21("3","2","3","5","2","5","3","1") = "4"
    & skf21("3","2","3","5","2","5","4","1") = "4"
    & skf21("3","2","3","5","2","5","5","1") = "4"
    & skf21("3","2","3","5","2","5","6","1") = "5"
    & skf21("3","2","3","5","2","5","7","1") = "6"
    & skf21("3","2","3","5","2","6","1","1") = "5"
    & skf21("3","2","3","5","2","6","2","1") = "5"
    & skf21("3","2","3","5","2","6","3","1") = "5"
    & skf21("3","2","3","5","2","6","4","1") = "5"
    & skf21("3","2","3","5","2","6","5","1") = "5"
    & skf21("3","2","3","5","2","6","6","1") = "5"
    & skf21("3","2","3","5","2","6","7","1") = "6"
    & skf21("3","2","3","5","2","7","1","1") = "6"
    & skf21("3","2","3","5","2","7","2","1") = "6"
    & skf21("3","2","3","5","2","7","3","1") = "6"
    & skf21("3","2","3","5","2","7","4","1") = "6"
    & skf21("3","2","3","5","2","7","5","1") = "6"
    & skf21("3","2","3","5","2","7","6","1") = "6"
    & skf21("3","2","3","5","2","7","7","1") = "6"
    & skf21("3","2","3","5","3","1","1","1") = "4"
    & skf21("3","2","3","5","3","1","2","1") = "4"
    & skf21("3","2","3","5","3","1","3","1") = "4"
    & skf21("3","2","3","5","3","1","4","1") = "4"
    & skf21("3","2","3","5","3","1","5","1") = "4"
    & skf21("3","2","3","5","3","1","6","1") = "5"
    & skf21("3","2","3","5","3","1","7","1") = "6"
    & skf21("3","2","3","5","3","2","1","1") = "4"
    & skf21("3","2","3","5","3","2","2","1") = "4"
    & skf21("3","2","3","5","3","2","3","1") = "4"
    & skf21("3","2","3","5","3","2","4","1") = "4"
    & skf21("3","2","3","5","3","2","5","1") = "4"
    & skf21("3","2","3","5","3","2","6","1") = "5"
    & skf21("3","2","3","5","3","2","7","1") = "6"
    & skf21("3","2","3","5","3","3","1","1") = "4"
    & skf21("3","2","3","5","3","3","2","1") = "4"
    & skf21("3","2","3","5","3","3","3","1") = "4"
    & skf21("3","2","3","5","3","3","4","1") = "4"
    & skf21("3","2","3","5","3","3","5","1") = "4"
    & skf21("3","2","3","5","3","3","6","1") = "5"
    & skf21("3","2","3","5","3","3","7","1") = "6"
    & skf21("3","2","3","5","3","4","1","1") = "4"
    & skf21("3","2","3","5","3","4","2","1") = "4"
    & skf21("3","2","3","5","3","4","3","1") = "4"
    & skf21("3","2","3","5","3","4","4","1") = "4"
    & skf21("3","2","3","5","3","4","5","1") = "4"
    & skf21("3","2","3","5","3","4","6","1") = "5"
    & skf21("3","2","3","5","3","4","7","1") = "6"
    & skf21("3","2","3","5","3","5","1","1") = "4"
    & skf21("3","2","3","5","3","5","2","1") = "4"
    & skf21("3","2","3","5","3","5","3","1") = "4"
    & skf21("3","2","3","5","3","5","4","1") = "4"
    & skf21("3","2","3","5","3","5","5","1") = "4"
    & skf21("3","2","3","5","3","5","6","1") = "5"
    & skf21("3","2","3","5","3","5","7","1") = "6"
    & skf21("3","2","3","5","3","6","1","1") = "5"
    & skf21("3","2","3","5","3","6","2","1") = "5"
    & skf21("3","2","3","5","3","6","3","1") = "5"
    & skf21("3","2","3","5","3","6","4","1") = "5"
    & skf21("3","2","3","5","3","6","5","1") = "5"
    & skf21("3","2","3","5","3","6","6","1") = "5"
    & skf21("3","2","3","5","3","6","7","1") = "6"
    & skf21("3","2","3","5","3","7","1","1") = "6"
    & skf21("3","2","3","5","3","7","2","1") = "6"
    & skf21("3","2","3","5","3","7","3","1") = "6"
    & skf21("3","2","3","5","3","7","4","1") = "6"
    & skf21("3","2","3","5","3","7","5","1") = "6"
    & skf21("3","2","3","5","3","7","6","1") = "6"
    & skf21("3","2","3","5","3","7","7","1") = "6"
    & skf21("3","2","3","5","4","1","1","1") = "4"
    & skf21("3","2","3","5","4","1","2","1") = "4"
    & skf21("3","2","3","5","4","1","3","1") = "4"
    & skf21("3","2","3","5","4","1","4","1") = "4"
    & skf21("3","2","3","5","4","1","5","1") = "4"
    & skf21("3","2","3","5","4","1","6","1") = "5"
    & skf21("3","2","3","5","4","1","7","1") = "6"
    & skf21("3","2","3","5","4","2","1","1") = "4"
    & skf21("3","2","3","5","4","2","2","1") = "4"
    & skf21("3","2","3","5","4","2","3","1") = "4"
    & skf21("3","2","3","5","4","2","4","1") = "4"
    & skf21("3","2","3","5","4","2","5","1") = "4"
    & skf21("3","2","3","5","4","2","6","1") = "5"
    & skf21("3","2","3","5","4","2","7","1") = "6"
    & skf21("3","2","3","5","4","3","1","1") = "4"
    & skf21("3","2","3","5","4","3","2","1") = "4"
    & skf21("3","2","3","5","4","3","3","1") = "4"
    & skf21("3","2","3","5","4","3","4","1") = "4"
    & skf21("3","2","3","5","4","3","5","1") = "4"
    & skf21("3","2","3","5","4","3","6","1") = "5"
    & skf21("3","2","3","5","4","3","7","1") = "6"
    & skf21("3","2","3","5","4","4","1","1") = "4"
    & skf21("3","2","3","5","4","4","2","1") = "4"
    & skf21("3","2","3","5","4","4","3","1") = "4"
    & skf21("3","2","3","5","4","4","4","1") = "4"
    & skf21("3","2","3","5","4","4","5","1") = "4"
    & skf21("3","2","3","5","4","4","6","1") = "5"
    & skf21("3","2","3","5","4","4","7","1") = "6"
    & skf21("3","2","3","5","4","5","1","1") = "4"
    & skf21("3","2","3","5","4","5","2","1") = "4"
    & skf21("3","2","3","5","4","5","3","1") = "4"
    & skf21("3","2","3","5","4","5","4","1") = "4"
    & skf21("3","2","3","5","4","5","5","1") = "4"
    & skf21("3","2","3","5","4","5","6","1") = "5"
    & skf21("3","2","3","5","4","5","7","1") = "6"
    & skf21("3","2","3","5","4","6","1","1") = "5"
    & skf21("3","2","3","5","4","6","2","1") = "5"
    & skf21("3","2","3","5","4","6","3","1") = "5"
    & skf21("3","2","3","5","4","6","4","1") = "5"
    & skf21("3","2","3","5","4","6","5","1") = "5"
    & skf21("3","2","3","5","4","6","6","1") = "5"
    & skf21("3","2","3","5","4","6","7","1") = "6"
    & skf21("3","2","3","5","4","7","1","1") = "6"
    & skf21("3","2","3","5","4","7","2","1") = "6"
    & skf21("3","2","3","5","4","7","3","1") = "6"
    & skf21("3","2","3","5","4","7","4","1") = "6"
    & skf21("3","2","3","5","4","7","5","1") = "6"
    & skf21("3","2","3","5","4","7","6","1") = "6"
    & skf21("3","2","3","5","4","7","7","1") = "6"
    & skf21("3","2","3","5","5","1","1","1") = "4"
    & skf21("3","2","3","5","5","1","2","1") = "4"
    & skf21("3","2","3","5","5","1","3","1") = "4"
    & skf21("3","2","3","5","5","1","4","1") = "4"
    & skf21("3","2","3","5","5","1","5","1") = "4"
    & skf21("3","2","3","5","5","1","6","1") = "5"
    & skf21("3","2","3","5","5","1","7","1") = "6"
    & skf21("3","2","3","5","5","2","1","1") = "4"
    & skf21("3","2","3","5","5","2","2","1") = "4"
    & skf21("3","2","3","5","5","2","3","1") = "4"
    & skf21("3","2","3","5","5","2","4","1") = "4"
    & skf21("3","2","3","5","5","2","5","1") = "4"
    & skf21("3","2","3","5","5","2","6","1") = "5"
    & skf21("3","2","3","5","5","2","7","1") = "6"
    & skf21("3","2","3","5","5","3","1","1") = "4"
    & skf21("3","2","3","5","5","3","2","1") = "4"
    & skf21("3","2","3","5","5","3","3","1") = "4"
    & skf21("3","2","3","5","5","3","4","1") = "4"
    & skf21("3","2","3","5","5","3","5","1") = "4"
    & skf21("3","2","3","5","5","3","6","1") = "5"
    & skf21("3","2","3","5","5","3","7","1") = "6"
    & skf21("3","2","3","5","5","4","1","1") = "4"
    & skf21("3","2","3","5","5","4","2","1") = "4"
    & skf21("3","2","3","5","5","4","3","1") = "4"
    & skf21("3","2","3","5","5","4","4","1") = "4"
    & skf21("3","2","3","5","5","4","5","1") = "4"
    & skf21("3","2","3","5","5","4","6","1") = "5"
    & skf21("3","2","3","5","5","4","7","1") = "6"
    & skf21("3","2","3","5","5","5","1","1") = "4"
    & skf21("3","2","3","5","5","5","2","1") = "4"
    & skf21("3","2","3","5","5","5","3","1") = "4"
    & skf21("3","2","3","5","5","5","4","1") = "4"
    & skf21("3","2","3","5","5","5","5","1") = "4"
    & skf21("3","2","3","5","5","5","6","1") = "5"
    & skf21("3","2","3","5","5","5","7","1") = "6"
    & skf21("3","2","3","5","5","6","1","1") = "5"
    & skf21("3","2","3","5","5","6","2","1") = "5"
    & skf21("3","2","3","5","5","6","3","1") = "5"
    & skf21("3","2","3","5","5","6","4","1") = "5"
    & skf21("3","2","3","5","5","6","5","1") = "5"
    & skf21("3","2","3","5","5","6","6","1") = "5"
    & skf21("3","2","3","5","5","6","7","1") = "6"
    & skf21("3","2","3","5","5","7","1","1") = "6"
    & skf21("3","2","3","5","5","7","2","1") = "6"
    & skf21("3","2","3","5","5","7","3","1") = "6"
    & skf21("3","2","3","5","5","7","4","1") = "6"
    & skf21("3","2","3","5","5","7","5","1") = "6"
    & skf21("3","2","3","5","5","7","6","1") = "6"
    & skf21("3","2","3","5","5","7","7","1") = "6"
    & skf21("3","2","3","5","6","1","1","1") = "5"
    & skf21("3","2","3","5","6","1","2","1") = "5"
    & skf21("3","2","3","5","6","1","3","1") = "5"
    & skf21("3","2","3","5","6","1","4","1") = "5"
    & skf21("3","2","3","5","6","1","5","1") = "5"
    & skf21("3","2","3","5","6","1","6","1") = "5"
    & skf21("3","2","3","5","6","1","7","1") = "6"
    & skf21("3","2","3","5","6","2","1","1") = "5"
    & skf21("3","2","3","5","6","2","2","1") = "5"
    & skf21("3","2","3","5","6","2","3","1") = "5"
    & skf21("3","2","3","5","6","2","4","1") = "5"
    & skf21("3","2","3","5","6","2","5","1") = "5"
    & skf21("3","2","3","5","6","2","6","1") = "5"
    & skf21("3","2","3","5","6","2","7","1") = "6"
    & skf21("3","2","3","5","6","3","1","1") = "5"
    & skf21("3","2","3","5","6","3","2","1") = "5"
    & skf21("3","2","3","5","6","3","3","1") = "5"
    & skf21("3","2","3","5","6","3","4","1") = "5"
    & skf21("3","2","3","5","6","3","5","1") = "5"
    & skf21("3","2","3","5","6","3","6","1") = "5"
    & skf21("3","2","3","5","6","3","7","1") = "6"
    & skf21("3","2","3","5","6","4","1","1") = "5"
    & skf21("3","2","3","5","6","4","2","1") = "5"
    & skf21("3","2","3","5","6","4","3","1") = "5"
    & skf21("3","2","3","5","6","4","4","1") = "5"
    & skf21("3","2","3","5","6","4","5","1") = "5"
    & skf21("3","2","3","5","6","4","6","1") = "5"
    & skf21("3","2","3","5","6","4","7","1") = "6"
    & skf21("3","2","3","5","6","5","1","1") = "5"
    & skf21("3","2","3","5","6","5","2","1") = "5"
    & skf21("3","2","3","5","6","5","3","1") = "5"
    & skf21("3","2","3","5","6","5","4","1") = "5"
    & skf21("3","2","3","5","6","5","5","1") = "5"
    & skf21("3","2","3","5","6","5","6","1") = "5"
    & skf21("3","2","3","5","6","5","7","1") = "6"
    & skf21("3","2","3","5","6","6","1","1") = "5"
    & skf21("3","2","3","5","6","6","2","1") = "5"
    & skf21("3","2","3","5","6","6","3","1") = "5"
    & skf21("3","2","3","5","6","6","4","1") = "5"
    & skf21("3","2","3","5","6","6","5","1") = "5"
    & skf21("3","2","3","5","6","6","6","1") = "5"
    & skf21("3","2","3","5","6","6","7","1") = "6"
    & skf21("3","2","3","5","6","7","1","1") = "6"
    & skf21("3","2","3","5","6","7","2","1") = "6"
    & skf21("3","2","3","5","6","7","3","1") = "6"
    & skf21("3","2","3","5","6","7","4","1") = "6"
    & skf21("3","2","3","5","6","7","5","1") = "6"
    & skf21("3","2","3","5","6","7","6","1") = "6"
    & skf21("3","2","3","5","6","7","7","1") = "6"
    & skf21("3","2","3","5","7","1","1","1") = "6"
    & skf21("3","2","3","5","7","1","2","1") = "6"
    & skf21("3","2","3","5","7","1","3","1") = "6"
    & skf21("3","2","3","5","7","1","4","1") = "6"
    & skf21("3","2","3","5","7","1","5","1") = "6"
    & skf21("3","2","3","5","7","1","6","1") = "6"
    & skf21("3","2","3","5","7","1","7","1") = "6"
    & skf21("3","2","3","5","7","2","1","1") = "6"
    & skf21("3","2","3","5","7","2","2","1") = "6"
    & skf21("3","2","3","5","7","2","3","1") = "6"
    & skf21("3","2","3","5","7","2","4","1") = "6"
    & skf21("3","2","3","5","7","2","5","1") = "6"
    & skf21("3","2","3","5","7","2","6","1") = "6"
    & skf21("3","2","3","5","7","2","7","1") = "6"
    & skf21("3","2","3","5","7","3","1","1") = "6"
    & skf21("3","2","3","5","7","3","2","1") = "6"
    & skf21("3","2","3","5","7","3","3","1") = "6"
    & skf21("3","2","3","5","7","3","4","1") = "6"
    & skf21("3","2","3","5","7","3","5","1") = "6"
    & skf21("3","2","3","5","7","3","6","1") = "6"
    & skf21("3","2","3","5","7","3","7","1") = "6"
    & skf21("3","2","3","5","7","4","1","1") = "6"
    & skf21("3","2","3","5","7","4","2","1") = "6"
    & skf21("3","2","3","5","7","4","3","1") = "6"
    & skf21("3","2","3","5","7","4","4","1") = "6"
    & skf21("3","2","3","5","7","4","5","1") = "6"
    & skf21("3","2","3","5","7","4","6","1") = "6"
    & skf21("3","2","3","5","7","4","7","1") = "6"
    & skf21("3","2","3","5","7","5","1","1") = "6"
    & skf21("3","2","3","5","7","5","2","1") = "6"
    & skf21("3","2","3","5","7","5","3","1") = "6"
    & skf21("3","2","3","5","7","5","4","1") = "6"
    & skf21("3","2","3","5","7","5","5","1") = "6"
    & skf21("3","2","3","5","7","5","6","1") = "6"
    & skf21("3","2","3","5","7","5","7","1") = "6"
    & skf21("3","2","3","5","7","6","1","1") = "6"
    & skf21("3","2","3","5","7","6","2","1") = "6"
    & skf21("3","2","3","5","7","6","3","1") = "6"
    & skf21("3","2","3","5","7","6","4","1") = "6"
    & skf21("3","2","3","5","7","6","5","1") = "6"
    & skf21("3","2","3","5","7","6","6","1") = "6"
    & skf21("3","2","3","5","7","6","7","1") = "6"
    & skf21("3","2","3","5","7","7","1","1") = "6"
    & skf21("3","2","3","5","7","7","2","1") = "6"
    & skf21("3","2","3","5","7","7","3","1") = "6"
    & skf21("3","2","3","5","7","7","4","1") = "6"
    & skf21("3","2","3","5","7","7","5","1") = "6"
    & skf21("3","2","3","5","7","7","6","1") = "6"
    & skf21("3","2","3","5","7","7","7","1") = "6"
    & skf21("3","2","3","6","1","1","1","1") = "5"
    & skf21("3","2","3","6","1","1","2","1") = "5"
    & skf21("3","2","3","6","1","1","3","1") = "5"
    & skf21("3","2","3","6","1","1","4","1") = "5"
    & skf21("3","2","3","6","1","1","5","1") = "5"
    & skf21("3","2","3","6","1","1","6","1") = "5"
    & skf21("3","2","3","6","1","1","7","1") = "6"
    & skf21("3","2","3","6","1","2","1","1") = "5"
    & skf21("3","2","3","6","1","2","2","1") = "5"
    & skf21("3","2","3","6","1","2","3","1") = "5"
    & skf21("3","2","3","6","1","2","4","1") = "5"
    & skf21("3","2","3","6","1","2","5","1") = "5"
    & skf21("3","2","3","6","1","2","6","1") = "5"
    & skf21("3","2","3","6","1","2","7","1") = "6"
    & skf21("3","2","3","6","1","3","1","1") = "5"
    & skf21("3","2","3","6","1","3","2","1") = "5"
    & skf21("3","2","3","6","1","3","3","1") = "5"
    & skf21("3","2","3","6","1","3","4","1") = "5"
    & skf21("3","2","3","6","1","3","5","1") = "5"
    & skf21("3","2","3","6","1","3","6","1") = "5"
    & skf21("3","2","3","6","1","3","7","1") = "6"
    & skf21("3","2","3","6","1","4","1","1") = "5"
    & skf21("3","2","3","6","1","4","2","1") = "5"
    & skf21("3","2","3","6","1","4","3","1") = "5"
    & skf21("3","2","3","6","1","4","4","1") = "5"
    & skf21("3","2","3","6","1","4","5","1") = "5"
    & skf21("3","2","3","6","1","4","6","1") = "5"
    & skf21("3","2","3","6","1","4","7","1") = "6"
    & skf21("3","2","3","6","1","5","1","1") = "5"
    & skf21("3","2","3","6","1","5","2","1") = "5"
    & skf21("3","2","3","6","1","5","3","1") = "5"
    & skf21("3","2","3","6","1","5","4","1") = "5"
    & skf21("3","2","3","6","1","5","5","1") = "5"
    & skf21("3","2","3","6","1","5","6","1") = "5"
    & skf21("3","2","3","6","1","5","7","1") = "6"
    & skf21("3","2","3","6","1","6","1","1") = "5"
    & skf21("3","2","3","6","1","6","2","1") = "5"
    & skf21("3","2","3","6","1","6","3","1") = "5"
    & skf21("3","2","3","6","1","6","4","1") = "5"
    & skf21("3","2","3","6","1","6","5","1") = "5"
    & skf21("3","2","3","6","1","6","6","1") = "5"
    & skf21("3","2","3","6","1","6","7","1") = "6"
    & skf21("3","2","3","6","1","7","1","1") = "6"
    & skf21("3","2","3","6","1","7","2","1") = "6"
    & skf21("3","2","3","6","1","7","3","1") = "6"
    & skf21("3","2","3","6","1","7","4","1") = "6"
    & skf21("3","2","3","6","1","7","5","1") = "6"
    & skf21("3","2","3","6","1","7","6","1") = "6"
    & skf21("3","2","3","6","1","7","7","1") = "6"
    & skf21("3","2","3","6","2","1","1","1") = "5"
    & skf21("3","2","3","6","2","1","2","1") = "5"
    & skf21("3","2","3","6","2","1","3","1") = "5"
    & skf21("3","2","3","6","2","1","4","1") = "5"
    & skf21("3","2","3","6","2","1","5","1") = "5"
    & skf21("3","2","3","6","2","1","6","1") = "5"
    & skf21("3","2","3","6","2","1","7","1") = "6"
    & skf21("3","2","3","6","2","2","1","1") = "5"
    & skf21("3","2","3","6","2","2","2","1") = "5"
    & skf21("3","2","3","6","2","2","3","1") = "5"
    & skf21("3","2","3","6","2","2","4","1") = "5"
    & skf21("3","2","3","6","2","2","5","1") = "5"
    & skf21("3","2","3","6","2","2","6","1") = "5"
    & skf21("3","2","3","6","2","2","7","1") = "6"
    & skf21("3","2","3","6","2","3","1","1") = "5"
    & skf21("3","2","3","6","2","3","2","1") = "5"
    & skf21("3","2","3","6","2","3","3","1") = "5"
    & skf21("3","2","3","6","2","3","4","1") = "5"
    & skf21("3","2","3","6","2","3","5","1") = "5"
    & skf21("3","2","3","6","2","3","6","1") = "5"
    & skf21("3","2","3","6","2","3","7","1") = "6"
    & skf21("3","2","3","6","2","4","1","1") = "5"
    & skf21("3","2","3","6","2","4","2","1") = "5"
    & skf21("3","2","3","6","2","4","3","1") = "5"
    & skf21("3","2","3","6","2","4","4","1") = "5"
    & skf21("3","2","3","6","2","4","5","1") = "5"
    & skf21("3","2","3","6","2","4","6","1") = "5"
    & skf21("3","2","3","6","2","4","7","1") = "6"
    & skf21("3","2","3","6","2","5","1","1") = "5"
    & skf21("3","2","3","6","2","5","2","1") = "5"
    & skf21("3","2","3","6","2","5","3","1") = "5"
    & skf21("3","2","3","6","2","5","4","1") = "5"
    & skf21("3","2","3","6","2","5","5","1") = "5"
    & skf21("3","2","3","6","2","5","6","1") = "5"
    & skf21("3","2","3","6","2","5","7","1") = "6"
    & skf21("3","2","3","6","2","6","1","1") = "5"
    & skf21("3","2","3","6","2","6","2","1") = "5"
    & skf21("3","2","3","6","2","6","3","1") = "5"
    & skf21("3","2","3","6","2","6","4","1") = "5"
    & skf21("3","2","3","6","2","6","5","1") = "5"
    & skf21("3","2","3","6","2","6","6","1") = "5"
    & skf21("3","2","3","6","2","6","7","1") = "6"
    & skf21("3","2","3","6","2","7","1","1") = "6"
    & skf21("3","2","3","6","2","7","2","1") = "6"
    & skf21("3","2","3","6","2","7","3","1") = "6"
    & skf21("3","2","3","6","2","7","4","1") = "6"
    & skf21("3","2","3","6","2","7","5","1") = "6"
    & skf21("3","2","3","6","2","7","6","1") = "6"
    & skf21("3","2","3","6","2","7","7","1") = "6"
    & skf21("3","2","3","6","3","1","1","1") = "5"
    & skf21("3","2","3","6","3","1","2","1") = "5"
    & skf21("3","2","3","6","3","1","3","1") = "5"
    & skf21("3","2","3","6","3","1","4","1") = "5"
    & skf21("3","2","3","6","3","1","5","1") = "5"
    & skf21("3","2","3","6","3","1","6","1") = "5"
    & skf21("3","2","3","6","3","1","7","1") = "6"
    & skf21("3","2","3","6","3","2","1","1") = "5"
    & skf21("3","2","3","6","3","2","2","1") = "5"
    & skf21("3","2","3","6","3","2","3","1") = "5"
    & skf21("3","2","3","6","3","2","4","1") = "5"
    & skf21("3","2","3","6","3","2","5","1") = "5"
    & skf21("3","2","3","6","3","2","6","1") = "5"
    & skf21("3","2","3","6","3","2","7","1") = "6"
    & skf21("3","2","3","6","3","3","1","1") = "5"
    & skf21("3","2","3","6","3","3","2","1") = "5"
    & skf21("3","2","3","6","3","3","3","1") = "5"
    & skf21("3","2","3","6","3","3","4","1") = "5"
    & skf21("3","2","3","6","3","3","5","1") = "5"
    & skf21("3","2","3","6","3","3","6","1") = "5"
    & skf21("3","2","3","6","3","3","7","1") = "6"
    & skf21("3","2","3","6","3","4","1","1") = "5"
    & skf21("3","2","3","6","3","4","2","1") = "5"
    & skf21("3","2","3","6","3","4","3","1") = "5"
    & skf21("3","2","3","6","3","4","4","1") = "5"
    & skf21("3","2","3","6","3","4","5","1") = "5"
    & skf21("3","2","3","6","3","4","6","1") = "5"
    & skf21("3","2","3","6","3","4","7","1") = "6"
    & skf21("3","2","3","6","3","5","1","1") = "5"
    & skf21("3","2","3","6","3","5","2","1") = "5"
    & skf21("3","2","3","6","3","5","3","1") = "5"
    & skf21("3","2","3","6","3","5","4","1") = "5"
    & skf21("3","2","3","6","3","5","5","1") = "5"
    & skf21("3","2","3","6","3","5","6","1") = "5"
    & skf21("3","2","3","6","3","5","7","1") = "6"
    & skf21("3","2","3","6","3","6","1","1") = "5"
    & skf21("3","2","3","6","3","6","2","1") = "5"
    & skf21("3","2","3","6","3","6","3","1") = "5"
    & skf21("3","2","3","6","3","6","4","1") = "5"
    & skf21("3","2","3","6","3","6","5","1") = "5"
    & skf21("3","2","3","6","3","6","6","1") = "5"
    & skf21("3","2","3","6","3","6","7","1") = "6"
    & skf21("3","2","3","6","3","7","1","1") = "6"
    & skf21("3","2","3","6","3","7","2","1") = "6"
    & skf21("3","2","3","6","3","7","3","1") = "6"
    & skf21("3","2","3","6","3","7","4","1") = "6"
    & skf21("3","2","3","6","3","7","5","1") = "6"
    & skf21("3","2","3","6","3","7","6","1") = "6"
    & skf21("3","2","3","6","3","7","7","1") = "6"
    & skf21("3","2","3","6","4","1","1","1") = "5"
    & skf21("3","2","3","6","4","1","2","1") = "5"
    & skf21("3","2","3","6","4","1","3","1") = "5"
    & skf21("3","2","3","6","4","1","4","1") = "5"
    & skf21("3","2","3","6","4","1","5","1") = "5"
    & skf21("3","2","3","6","4","1","6","1") = "5"
    & skf21("3","2","3","6","4","1","7","1") = "6"
    & skf21("3","2","3","6","4","2","1","1") = "5"
    & skf21("3","2","3","6","4","2","2","1") = "5"
    & skf21("3","2","3","6","4","2","3","1") = "5"
    & skf21("3","2","3","6","4","2","4","1") = "5"
    & skf21("3","2","3","6","4","2","5","1") = "5"
    & skf21("3","2","3","6","4","2","6","1") = "5"
    & skf21("3","2","3","6","4","2","7","1") = "6"
    & skf21("3","2","3","6","4","3","1","1") = "5"
    & skf21("3","2","3","6","4","3","2","1") = "5"
    & skf21("3","2","3","6","4","3","3","1") = "5"
    & skf21("3","2","3","6","4","3","4","1") = "5"
    & skf21("3","2","3","6","4","3","5","1") = "5"
    & skf21("3","2","3","6","4","3","6","1") = "5"
    & skf21("3","2","3","6","4","3","7","1") = "6"
    & skf21("3","2","3","6","4","4","1","1") = "5"
    & skf21("3","2","3","6","4","4","2","1") = "5"
    & skf21("3","2","3","6","4","4","3","1") = "5"
    & skf21("3","2","3","6","4","4","4","1") = "5"
    & skf21("3","2","3","6","4","4","5","1") = "5"
    & skf21("3","2","3","6","4","4","6","1") = "5"
    & skf21("3","2","3","6","4","4","7","1") = "6"
    & skf21("3","2","3","6","4","5","1","1") = "5"
    & skf21("3","2","3","6","4","5","2","1") = "5"
    & skf21("3","2","3","6","4","5","3","1") = "5"
    & skf21("3","2","3","6","4","5","4","1") = "5"
    & skf21("3","2","3","6","4","5","5","1") = "5"
    & skf21("3","2","3","6","4","5","6","1") = "5"
    & skf21("3","2","3","6","4","5","7","1") = "6"
    & skf21("3","2","3","6","4","6","1","1") = "5"
    & skf21("3","2","3","6","4","6","2","1") = "5"
    & skf21("3","2","3","6","4","6","3","1") = "5"
    & skf21("3","2","3","6","4","6","4","1") = "5"
    & skf21("3","2","3","6","4","6","5","1") = "5"
    & skf21("3","2","3","6","4","6","6","1") = "5"
    & skf21("3","2","3","6","4","6","7","1") = "6"
    & skf21("3","2","3","6","4","7","1","1") = "6"
    & skf21("3","2","3","6","4","7","2","1") = "6"
    & skf21("3","2","3","6","4","7","3","1") = "6"
    & skf21("3","2","3","6","4","7","4","1") = "6"
    & skf21("3","2","3","6","4","7","5","1") = "6"
    & skf21("3","2","3","6","4","7","6","1") = "6"
    & skf21("3","2","3","6","4","7","7","1") = "6"
    & skf21("3","2","3","6","5","1","1","1") = "5"
    & skf21("3","2","3","6","5","1","2","1") = "5"
    & skf21("3","2","3","6","5","1","3","1") = "5"
    & skf21("3","2","3","6","5","1","4","1") = "5"
    & skf21("3","2","3","6","5","1","5","1") = "5"
    & skf21("3","2","3","6","5","1","6","1") = "5"
    & skf21("3","2","3","6","5","1","7","1") = "6"
    & skf21("3","2","3","6","5","2","1","1") = "5"
    & skf21("3","2","3","6","5","2","2","1") = "5"
    & skf21("3","2","3","6","5","2","3","1") = "5"
    & skf21("3","2","3","6","5","2","4","1") = "5"
    & skf21("3","2","3","6","5","2","5","1") = "5"
    & skf21("3","2","3","6","5","2","6","1") = "5"
    & skf21("3","2","3","6","5","2","7","1") = "6"
    & skf21("3","2","3","6","5","3","1","1") = "5"
    & skf21("3","2","3","6","5","3","2","1") = "5"
    & skf21("3","2","3","6","5","3","3","1") = "5"
    & skf21("3","2","3","6","5","3","4","1") = "5"
    & skf21("3","2","3","6","5","3","5","1") = "5"
    & skf21("3","2","3","6","5","3","6","1") = "5"
    & skf21("3","2","3","6","5","3","7","1") = "6"
    & skf21("3","2","3","6","5","4","1","1") = "5"
    & skf21("3","2","3","6","5","4","2","1") = "5"
    & skf21("3","2","3","6","5","4","3","1") = "5"
    & skf21("3","2","3","6","5","4","4","1") = "5"
    & skf21("3","2","3","6","5","4","5","1") = "5"
    & skf21("3","2","3","6","5","4","6","1") = "5"
    & skf21("3","2","3","6","5","4","7","1") = "6"
    & skf21("3","2","3","6","5","5","1","1") = "5"
    & skf21("3","2","3","6","5","5","2","1") = "5"
    & skf21("3","2","3","6","5","5","3","1") = "5"
    & skf21("3","2","3","6","5","5","4","1") = "5"
    & skf21("3","2","3","6","5","5","5","1") = "5"
    & skf21("3","2","3","6","5","5","6","1") = "5"
    & skf21("3","2","3","6","5","5","7","1") = "6"
    & skf21("3","2","3","6","5","6","1","1") = "5"
    & skf21("3","2","3","6","5","6","2","1") = "5"
    & skf21("3","2","3","6","5","6","3","1") = "5"
    & skf21("3","2","3","6","5","6","4","1") = "5"
    & skf21("3","2","3","6","5","6","5","1") = "5"
    & skf21("3","2","3","6","5","6","6","1") = "5"
    & skf21("3","2","3","6","5","6","7","1") = "6"
    & skf21("3","2","3","6","5","7","1","1") = "6"
    & skf21("3","2","3","6","5","7","2","1") = "6"
    & skf21("3","2","3","6","5","7","3","1") = "6"
    & skf21("3","2","3","6","5","7","4","1") = "6"
    & skf21("3","2","3","6","5","7","5","1") = "6"
    & skf21("3","2","3","6","5","7","6","1") = "6"
    & skf21("3","2","3","6","5","7","7","1") = "6"
    & skf21("3","2","3","6","6","1","1","1") = "5"
    & skf21("3","2","3","6","6","1","2","1") = "5"
    & skf21("3","2","3","6","6","1","3","1") = "5"
    & skf21("3","2","3","6","6","1","4","1") = "5"
    & skf21("3","2","3","6","6","1","5","1") = "5"
    & skf21("3","2","3","6","6","1","6","1") = "5"
    & skf21("3","2","3","6","6","1","7","1") = "6"
    & skf21("3","2","3","6","6","2","1","1") = "5"
    & skf21("3","2","3","6","6","2","2","1") = "5"
    & skf21("3","2","3","6","6","2","3","1") = "5"
    & skf21("3","2","3","6","6","2","4","1") = "5"
    & skf21("3","2","3","6","6","2","5","1") = "5"
    & skf21("3","2","3","6","6","2","6","1") = "5"
    & skf21("3","2","3","6","6","2","7","1") = "6"
    & skf21("3","2","3","6","6","3","1","1") = "5"
    & skf21("3","2","3","6","6","3","2","1") = "5"
    & skf21("3","2","3","6","6","3","3","1") = "5"
    & skf21("3","2","3","6","6","3","4","1") = "5"
    & skf21("3","2","3","6","6","3","5","1") = "5"
    & skf21("3","2","3","6","6","3","6","1") = "5"
    & skf21("3","2","3","6","6","3","7","1") = "6"
    & skf21("3","2","3","6","6","4","1","1") = "5"
    & skf21("3","2","3","6","6","4","2","1") = "5"
    & skf21("3","2","3","6","6","4","3","1") = "5"
    & skf21("3","2","3","6","6","4","4","1") = "5"
    & skf21("3","2","3","6","6","4","5","1") = "5"
    & skf21("3","2","3","6","6","4","6","1") = "5"
    & skf21("3","2","3","6","6","4","7","1") = "6"
    & skf21("3","2","3","6","6","5","1","1") = "5"
    & skf21("3","2","3","6","6","5","2","1") = "5"
    & skf21("3","2","3","6","6","5","3","1") = "5"
    & skf21("3","2","3","6","6","5","4","1") = "5"
    & skf21("3","2","3","6","6","5","5","1") = "5"
    & skf21("3","2","3","6","6","5","6","1") = "5"
    & skf21("3","2","3","6","6","5","7","1") = "6"
    & skf21("3","2","3","6","6","6","1","1") = "5"
    & skf21("3","2","3","6","6","6","2","1") = "5"
    & skf21("3","2","3","6","6","6","3","1") = "5"
    & skf21("3","2","3","6","6","6","4","1") = "5"
    & skf21("3","2","3","6","6","6","5","1") = "5"
    & skf21("3","2","3","6","6","6","6","1") = "5"
    & skf21("3","2","3","6","6","6","7","1") = "6"
    & skf21("3","2","3","6","6","7","1","1") = "6"
    & skf21("3","2","3","6","6","7","2","1") = "6"
    & skf21("3","2","3","6","6","7","3","1") = "6"
    & skf21("3","2","3","6","6","7","4","1") = "6"
    & skf21("3","2","3","6","6","7","5","1") = "6"
    & skf21("3","2","3","6","6","7","6","1") = "6"
    & skf21("3","2","3","6","6","7","7","1") = "6"
    & skf21("3","2","3","6","7","1","1","1") = "6"
    & skf21("3","2","3","6","7","1","2","1") = "6"
    & skf21("3","2","3","6","7","1","3","1") = "6"
    & skf21("3","2","3","6","7","1","4","1") = "6"
    & skf21("3","2","3","6","7","1","5","1") = "6"
    & skf21("3","2","3","6","7","1","6","1") = "6"
    & skf21("3","2","3","6","7","1","7","1") = "6"
    & skf21("3","2","3","6","7","2","1","1") = "6"
    & skf21("3","2","3","6","7","2","2","1") = "6"
    & skf21("3","2","3","6","7","2","3","1") = "6"
    & skf21("3","2","3","6","7","2","4","1") = "6"
    & skf21("3","2","3","6","7","2","5","1") = "6"
    & skf21("3","2","3","6","7","2","6","1") = "6"
    & skf21("3","2","3","6","7","2","7","1") = "6"
    & skf21("3","2","3","6","7","3","1","1") = "6"
    & skf21("3","2","3","6","7","3","2","1") = "6"
    & skf21("3","2","3","6","7","3","3","1") = "6"
    & skf21("3","2","3","6","7","3","4","1") = "6"
    & skf21("3","2","3","6","7","3","5","1") = "6"
    & skf21("3","2","3","6","7","3","6","1") = "6"
    & skf21("3","2","3","6","7","3","7","1") = "6"
    & skf21("3","2","3","6","7","4","1","1") = "6"
    & skf21("3","2","3","6","7","4","2","1") = "6"
    & skf21("3","2","3","6","7","4","3","1") = "6"
    & skf21("3","2","3","6","7","4","4","1") = "6"
    & skf21("3","2","3","6","7","4","5","1") = "6"
    & skf21("3","2","3","6","7","4","6","1") = "6"
    & skf21("3","2","3","6","7","4","7","1") = "6"
    & skf21("3","2","3","6","7","5","1","1") = "6"
    & skf21("3","2","3","6","7","5","2","1") = "6"
    & skf21("3","2","3","6","7","5","3","1") = "6"
    & skf21("3","2","3","6","7","5","4","1") = "6"
    & skf21("3","2","3","6","7","5","5","1") = "6"
    & skf21("3","2","3","6","7","5","6","1") = "6"
    & skf21("3","2","3","6","7","5","7","1") = "6"
    & skf21("3","2","3","6","7","6","1","1") = "6"
    & skf21("3","2","3","6","7","6","2","1") = "6"
    & skf21("3","2","3","6","7","6","3","1") = "6"
    & skf21("3","2","3","6","7","6","4","1") = "6"
    & skf21("3","2","3","6","7","6","5","1") = "6"
    & skf21("3","2","3","6","7","6","6","1") = "6"
    & skf21("3","2","3","6","7","6","7","1") = "6"
    & skf21("3","2","3","6","7","7","1","1") = "6"
    & skf21("3","2","3","6","7","7","2","1") = "6"
    & skf21("3","2","3","6","7","7","3","1") = "6"
    & skf21("3","2","3","6","7","7","4","1") = "6"
    & skf21("3","2","3","6","7","7","5","1") = "6"
    & skf21("3","2","3","6","7","7","6","1") = "6"
    & skf21("3","2","3","6","7","7","7","1") = "6"
    & skf21("3","2","3","7","1","1","1","1") = "6"
    & skf21("3","2","3","7","1","1","2","1") = "6"
    & skf21("3","2","3","7","1","1","3","1") = "6"
    & skf21("3","2","3","7","1","1","4","1") = "6"
    & skf21("3","2","3","7","1","1","5","1") = "6"
    & skf21("3","2","3","7","1","1","6","1") = "6"
    & skf21("3","2","3","7","1","1","7","1") = "6"
    & skf21("3","2","3","7","1","2","1","1") = "6"
    & skf21("3","2","3","7","1","2","2","1") = "6"
    & skf21("3","2","3","7","1","2","3","1") = "6"
    & skf21("3","2","3","7","1","2","4","1") = "6"
    & skf21("3","2","3","7","1","2","5","1") = "6"
    & skf21("3","2","3","7","1","2","6","1") = "6"
    & skf21("3","2","3","7","1","2","7","1") = "6"
    & skf21("3","2","3","7","1","3","1","1") = "6"
    & skf21("3","2","3","7","1","3","2","1") = "6"
    & skf21("3","2","3","7","1","3","3","1") = "6"
    & skf21("3","2","3","7","1","3","4","1") = "6"
    & skf21("3","2","3","7","1","3","5","1") = "6"
    & skf21("3","2","3","7","1","3","6","1") = "6"
    & skf21("3","2","3","7","1","3","7","1") = "6"
    & skf21("3","2","3","7","1","4","1","1") = "6"
    & skf21("3","2","3","7","1","4","2","1") = "6"
    & skf21("3","2","3","7","1","4","3","1") = "6"
    & skf21("3","2","3","7","1","4","4","1") = "6"
    & skf21("3","2","3","7","1","4","5","1") = "6"
    & skf21("3","2","3","7","1","4","6","1") = "6"
    & skf21("3","2","3","7","1","4","7","1") = "6"
    & skf21("3","2","3","7","1","5","1","1") = "6"
    & skf21("3","2","3","7","1","5","2","1") = "6"
    & skf21("3","2","3","7","1","5","3","1") = "6"
    & skf21("3","2","3","7","1","5","4","1") = "6"
    & skf21("3","2","3","7","1","5","5","1") = "6"
    & skf21("3","2","3","7","1","5","6","1") = "6"
    & skf21("3","2","3","7","1","5","7","1") = "6"
    & skf21("3","2","3","7","1","6","1","1") = "6"
    & skf21("3","2","3","7","1","6","2","1") = "6"
    & skf21("3","2","3","7","1","6","3","1") = "6"
    & skf21("3","2","3","7","1","6","4","1") = "6"
    & skf21("3","2","3","7","1","6","5","1") = "6"
    & skf21("3","2","3","7","1","6","6","1") = "6"
    & skf21("3","2","3","7","1","6","7","1") = "6"
    & skf21("3","2","3","7","1","7","1","1") = "6"
    & skf21("3","2","3","7","1","7","2","1") = "6"
    & skf21("3","2","3","7","1","7","3","1") = "6"
    & skf21("3","2","3","7","1","7","4","1") = "6"
    & skf21("3","2","3","7","1","7","5","1") = "6"
    & skf21("3","2","3","7","1","7","6","1") = "6"
    & skf21("3","2","3","7","1","7","7","1") = "6"
    & skf21("3","2","3","7","2","1","1","1") = "6"
    & skf21("3","2","3","7","2","1","2","1") = "6"
    & skf21("3","2","3","7","2","1","3","1") = "6"
    & skf21("3","2","3","7","2","1","4","1") = "6"
    & skf21("3","2","3","7","2","1","5","1") = "6"
    & skf21("3","2","3","7","2","1","6","1") = "6"
    & skf21("3","2","3","7","2","1","7","1") = "6"
    & skf21("3","2","3","7","2","2","1","1") = "6"
    & skf21("3","2","3","7","2","2","2","1") = "6"
    & skf21("3","2","3","7","2","2","3","1") = "6"
    & skf21("3","2","3","7","2","2","4","1") = "6"
    & skf21("3","2","3","7","2","2","5","1") = "6"
    & skf21("3","2","3","7","2","2","6","1") = "6"
    & skf21("3","2","3","7","2","2","7","1") = "6"
    & skf21("3","2","3","7","2","3","1","1") = "6"
    & skf21("3","2","3","7","2","3","2","1") = "6"
    & skf21("3","2","3","7","2","3","3","1") = "6"
    & skf21("3","2","3","7","2","3","4","1") = "6"
    & skf21("3","2","3","7","2","3","5","1") = "6"
    & skf21("3","2","3","7","2","3","6","1") = "6"
    & skf21("3","2","3","7","2","3","7","1") = "6"
    & skf21("3","2","3","7","2","4","1","1") = "6"
    & skf21("3","2","3","7","2","4","2","1") = "6"
    & skf21("3","2","3","7","2","4","3","1") = "6"
    & skf21("3","2","3","7","2","4","4","1") = "6"
    & skf21("3","2","3","7","2","4","5","1") = "6"
    & skf21("3","2","3","7","2","4","6","1") = "6"
    & skf21("3","2","3","7","2","4","7","1") = "6"
    & skf21("3","2","3","7","2","5","1","1") = "6"
    & skf21("3","2","3","7","2","5","2","1") = "6"
    & skf21("3","2","3","7","2","5","3","1") = "6"
    & skf21("3","2","3","7","2","5","4","1") = "6"
    & skf21("3","2","3","7","2","5","5","1") = "6"
    & skf21("3","2","3","7","2","5","6","1") = "6"
    & skf21("3","2","3","7","2","5","7","1") = "6"
    & skf21("3","2","3","7","2","6","1","1") = "6"
    & skf21("3","2","3","7","2","6","2","1") = "6"
    & skf21("3","2","3","7","2","6","3","1") = "6"
    & skf21("3","2","3","7","2","6","4","1") = "6"
    & skf21("3","2","3","7","2","6","5","1") = "6"
    & skf21("3","2","3","7","2","6","6","1") = "6"
    & skf21("3","2","3","7","2","6","7","1") = "6"
    & skf21("3","2","3","7","2","7","1","1") = "6"
    & skf21("3","2","3","7","2","7","2","1") = "6"
    & skf21("3","2","3","7","2","7","3","1") = "6"
    & skf21("3","2","3","7","2","7","4","1") = "6"
    & skf21("3","2","3","7","2","7","5","1") = "6"
    & skf21("3","2","3","7","2","7","6","1") = "6"
    & skf21("3","2","3","7","2","7","7","1") = "6"
    & skf21("3","2","3","7","3","1","1","1") = "6"
    & skf21("3","2","3","7","3","1","2","1") = "6"
    & skf21("3","2","3","7","3","1","3","1") = "6"
    & skf21("3","2","3","7","3","1","4","1") = "6"
    & skf21("3","2","3","7","3","1","5","1") = "6"
    & skf21("3","2","3","7","3","1","6","1") = "6"
    & skf21("3","2","3","7","3","1","7","1") = "6"
    & skf21("3","2","3","7","3","2","1","1") = "6"
    & skf21("3","2","3","7","3","2","2","1") = "6"
    & skf21("3","2","3","7","3","2","3","1") = "6"
    & skf21("3","2","3","7","3","2","4","1") = "6"
    & skf21("3","2","3","7","3","2","5","1") = "6"
    & skf21("3","2","3","7","3","2","6","1") = "6"
    & skf21("3","2","3","7","3","2","7","1") = "6"
    & skf21("3","2","3","7","3","3","1","1") = "6"
    & skf21("3","2","3","7","3","3","2","1") = "6"
    & skf21("3","2","3","7","3","3","3","1") = "6"
    & skf21("3","2","3","7","3","3","4","1") = "6"
    & skf21("3","2","3","7","3","3","5","1") = "6"
    & skf21("3","2","3","7","3","3","6","1") = "6"
    & skf21("3","2","3","7","3","3","7","1") = "6"
    & skf21("3","2","3","7","3","4","1","1") = "6"
    & skf21("3","2","3","7","3","4","2","1") = "6"
    & skf21("3","2","3","7","3","4","3","1") = "6"
    & skf21("3","2","3","7","3","4","4","1") = "6"
    & skf21("3","2","3","7","3","4","5","1") = "6"
    & skf21("3","2","3","7","3","4","6","1") = "6"
    & skf21("3","2","3","7","3","4","7","1") = "6"
    & skf21("3","2","3","7","3","5","1","1") = "6"
    & skf21("3","2","3","7","3","5","2","1") = "6"
    & skf21("3","2","3","7","3","5","3","1") = "6"
    & skf21("3","2","3","7","3","5","4","1") = "6"
    & skf21("3","2","3","7","3","5","5","1") = "6"
    & skf21("3","2","3","7","3","5","6","1") = "6"
    & skf21("3","2","3","7","3","5","7","1") = "6"
    & skf21("3","2","3","7","3","6","1","1") = "6"
    & skf21("3","2","3","7","3","6","2","1") = "6"
    & skf21("3","2","3","7","3","6","3","1") = "6"
    & skf21("3","2","3","7","3","6","4","1") = "6"
    & skf21("3","2","3","7","3","6","5","1") = "6"
    & skf21("3","2","3","7","3","6","6","1") = "6"
    & skf21("3","2","3","7","3","6","7","1") = "6"
    & skf21("3","2","3","7","3","7","1","1") = "6"
    & skf21("3","2","3","7","3","7","2","1") = "6"
    & skf21("3","2","3","7","3","7","3","1") = "6"
    & skf21("3","2","3","7","3","7","4","1") = "6"
    & skf21("3","2","3","7","3","7","5","1") = "6"
    & skf21("3","2","3","7","3","7","6","1") = "6"
    & skf21("3","2","3","7","3","7","7","1") = "6"
    & skf21("3","2","3","7","4","1","1","1") = "6"
    & skf21("3","2","3","7","4","1","2","1") = "6"
    & skf21("3","2","3","7","4","1","3","1") = "6"
    & skf21("3","2","3","7","4","1","4","1") = "6"
    & skf21("3","2","3","7","4","1","5","1") = "6"
    & skf21("3","2","3","7","4","1","6","1") = "6"
    & skf21("3","2","3","7","4","1","7","1") = "6"
    & skf21("3","2","3","7","4","2","1","1") = "6"
    & skf21("3","2","3","7","4","2","2","1") = "6"
    & skf21("3","2","3","7","4","2","3","1") = "6"
    & skf21("3","2","3","7","4","2","4","1") = "6"
    & skf21("3","2","3","7","4","2","5","1") = "6"
    & skf21("3","2","3","7","4","2","6","1") = "6"
    & skf21("3","2","3","7","4","2","7","1") = "6"
    & skf21("3","2","3","7","4","3","1","1") = "6"
    & skf21("3","2","3","7","4","3","2","1") = "6"
    & skf21("3","2","3","7","4","3","3","1") = "6"
    & skf21("3","2","3","7","4","3","4","1") = "6"
    & skf21("3","2","3","7","4","3","5","1") = "6"
    & skf21("3","2","3","7","4","3","6","1") = "6"
    & skf21("3","2","3","7","4","3","7","1") = "6"
    & skf21("3","2","3","7","4","4","1","1") = "6"
    & skf21("3","2","3","7","4","4","2","1") = "6"
    & skf21("3","2","3","7","4","4","3","1") = "6"
    & skf21("3","2","3","7","4","4","4","1") = "6"
    & skf21("3","2","3","7","4","4","5","1") = "6"
    & skf21("3","2","3","7","4","4","6","1") = "6"
    & skf21("3","2","3","7","4","4","7","1") = "6"
    & skf21("3","2","3","7","4","5","1","1") = "6"
    & skf21("3","2","3","7","4","5","2","1") = "6"
    & skf21("3","2","3","7","4","5","3","1") = "6"
    & skf21("3","2","3","7","4","5","4","1") = "6"
    & skf21("3","2","3","7","4","5","5","1") = "6"
    & skf21("3","2","3","7","4","5","6","1") = "6"
    & skf21("3","2","3","7","4","5","7","1") = "6"
    & skf21("3","2","3","7","4","6","1","1") = "6"
    & skf21("3","2","3","7","4","6","2","1") = "6"
    & skf21("3","2","3","7","4","6","3","1") = "6"
    & skf21("3","2","3","7","4","6","4","1") = "6"
    & skf21("3","2","3","7","4","6","5","1") = "6"
    & skf21("3","2","3","7","4","6","6","1") = "6"
    & skf21("3","2","3","7","4","6","7","1") = "6"
    & skf21("3","2","3","7","4","7","1","1") = "6"
    & skf21("3","2","3","7","4","7","2","1") = "6"
    & skf21("3","2","3","7","4","7","3","1") = "6"
    & skf21("3","2","3","7","4","7","4","1") = "6"
    & skf21("3","2","3","7","4","7","5","1") = "6"
    & skf21("3","2","3","7","4","7","6","1") = "6"
    & skf21("3","2","3","7","4","7","7","1") = "6"
    & skf21("3","2","3","7","5","1","1","1") = "6"
    & skf21("3","2","3","7","5","1","2","1") = "6"
    & skf21("3","2","3","7","5","1","3","1") = "6"
    & skf21("3","2","3","7","5","1","4","1") = "6"
    & skf21("3","2","3","7","5","1","5","1") = "6"
    & skf21("3","2","3","7","5","1","6","1") = "6"
    & skf21("3","2","3","7","5","1","7","1") = "6"
    & skf21("3","2","3","7","5","2","1","1") = "6"
    & skf21("3","2","3","7","5","2","2","1") = "6"
    & skf21("3","2","3","7","5","2","3","1") = "6"
    & skf21("3","2","3","7","5","2","4","1") = "6"
    & skf21("3","2","3","7","5","2","5","1") = "6"
    & skf21("3","2","3","7","5","2","6","1") = "6"
    & skf21("3","2","3","7","5","2","7","1") = "6"
    & skf21("3","2","3","7","5","3","1","1") = "6"
    & skf21("3","2","3","7","5","3","2","1") = "6"
    & skf21("3","2","3","7","5","3","3","1") = "6"
    & skf21("3","2","3","7","5","3","4","1") = "6"
    & skf21("3","2","3","7","5","3","5","1") = "6"
    & skf21("3","2","3","7","5","3","6","1") = "6"
    & skf21("3","2","3","7","5","3","7","1") = "6"
    & skf21("3","2","3","7","5","4","1","1") = "6"
    & skf21("3","2","3","7","5","4","2","1") = "6"
    & skf21("3","2","3","7","5","4","3","1") = "6"
    & skf21("3","2","3","7","5","4","4","1") = "6"
    & skf21("3","2","3","7","5","4","5","1") = "6"
    & skf21("3","2","3","7","5","4","6","1") = "6"
    & skf21("3","2","3","7","5","4","7","1") = "6"
    & skf21("3","2","3","7","5","5","1","1") = "6"
    & skf21("3","2","3","7","5","5","2","1") = "6"
    & skf21("3","2","3","7","5","5","3","1") = "6"
    & skf21("3","2","3","7","5","5","4","1") = "6"
    & skf21("3","2","3","7","5","5","5","1") = "6"
    & skf21("3","2","3","7","5","5","6","1") = "6"
    & skf21("3","2","3","7","5","5","7","1") = "6"
    & skf21("3","2","3","7","5","6","1","1") = "6"
    & skf21("3","2","3","7","5","6","2","1") = "6"
    & skf21("3","2","3","7","5","6","3","1") = "6"
    & skf21("3","2","3","7","5","6","4","1") = "6"
    & skf21("3","2","3","7","5","6","5","1") = "6"
    & skf21("3","2","3","7","5","6","6","1") = "6"
    & skf21("3","2","3","7","5","6","7","1") = "6"
    & skf21("3","2","3","7","5","7","1","1") = "6"
    & skf21("3","2","3","7","5","7","2","1") = "6"
    & skf21("3","2","3","7","5","7","3","1") = "6"
    & skf21("3","2","3","7","5","7","4","1") = "6"
    & skf21("3","2","3","7","5","7","5","1") = "6"
    & skf21("3","2","3","7","5","7","6","1") = "6"
    & skf21("3","2","3","7","5","7","7","1") = "6"
    & skf21("3","2","3","7","6","1","1","1") = "6"
    & skf21("3","2","3","7","6","1","2","1") = "6"
    & skf21("3","2","3","7","6","1","3","1") = "6"
    & skf21("3","2","3","7","6","1","4","1") = "6"
    & skf21("3","2","3","7","6","1","5","1") = "6"
    & skf21("3","2","3","7","6","1","6","1") = "6"
    & skf21("3","2","3","7","6","1","7","1") = "6"
    & skf21("3","2","3","7","6","2","1","1") = "6"
    & skf21("3","2","3","7","6","2","2","1") = "6"
    & skf21("3","2","3","7","6","2","3","1") = "6"
    & skf21("3","2","3","7","6","2","4","1") = "6"
    & skf21("3","2","3","7","6","2","5","1") = "6"
    & skf21("3","2","3","7","6","2","6","1") = "6"
    & skf21("3","2","3","7","6","2","7","1") = "6"
    & skf21("3","2","3","7","6","3","1","1") = "6"
    & skf21("3","2","3","7","6","3","2","1") = "6"
    & skf21("3","2","3","7","6","3","3","1") = "6"
    & skf21("3","2","3","7","6","3","4","1") = "6"
    & skf21("3","2","3","7","6","3","5","1") = "6"
    & skf21("3","2","3","7","6","3","6","1") = "6"
    & skf21("3","2","3","7","6","3","7","1") = "6"
    & skf21("3","2","3","7","6","4","1","1") = "6"
    & skf21("3","2","3","7","6","4","2","1") = "6"
    & skf21("3","2","3","7","6","4","3","1") = "6"
    & skf21("3","2","3","7","6","4","4","1") = "6"
    & skf21("3","2","3","7","6","4","5","1") = "6"
    & skf21("3","2","3","7","6","4","6","1") = "6"
    & skf21("3","2","3","7","6","4","7","1") = "6"
    & skf21("3","2","3","7","6","5","1","1") = "6"
    & skf21("3","2","3","7","6","5","2","1") = "6"
    & skf21("3","2","3","7","6","5","3","1") = "6"
    & skf21("3","2","3","7","6","5","4","1") = "6"
    & skf21("3","2","3","7","6","5","5","1") = "6"
    & skf21("3","2","3","7","6","5","6","1") = "6"
    & skf21("3","2","3","7","6","5","7","1") = "6"
    & skf21("3","2","3","7","6","6","1","1") = "6"
    & skf21("3","2","3","7","6","6","2","1") = "6"
    & skf21("3","2","3","7","6","6","3","1") = "6"
    & skf21("3","2","3","7","6","6","4","1") = "6"
    & skf21("3","2","3","7","6","6","5","1") = "6"
    & skf21("3","2","3","7","6","6","6","1") = "6"
    & skf21("3","2","3","7","6","6","7","1") = "6"
    & skf21("3","2","3","7","6","7","1","1") = "6"
    & skf21("3","2","3","7","6","7","2","1") = "6"
    & skf21("3","2","3","7","6","7","3","1") = "6"
    & skf21("3","2","3","7","6","7","4","1") = "6"
    & skf21("3","2","3","7","6","7","5","1") = "6"
    & skf21("3","2","3","7","6","7","6","1") = "6"
    & skf21("3","2","3","7","6","7","7","1") = "6"
    & skf21("3","2","3","7","7","1","1","1") = "6"
    & skf21("3","2","3","7","7","1","2","1") = "6"
    & skf21("3","2","3","7","7","1","3","1") = "6"
    & skf21("3","2","3","7","7","1","4","1") = "6"
    & skf21("3","2","3","7","7","1","5","1") = "6"
    & skf21("3","2","3","7","7","1","6","1") = "6"
    & skf21("3","2","3","7","7","1","7","1") = "6"
    & skf21("3","2","3","7","7","2","1","1") = "6"
    & skf21("3","2","3","7","7","2","2","1") = "6"
    & skf21("3","2","3","7","7","2","3","1") = "6"
    & skf21("3","2","3","7","7","2","4","1") = "6"
    & skf21("3","2","3","7","7","2","5","1") = "6"
    & skf21("3","2","3","7","7","2","6","1") = "6"
    & skf21("3","2","3","7","7","2","7","1") = "6"
    & skf21("3","2","3","7","7","3","1","1") = "6"
    & skf21("3","2","3","7","7","3","2","1") = "6"
    & skf21("3","2","3","7","7","3","3","1") = "6"
    & skf21("3","2","3","7","7","3","4","1") = "6"
    & skf21("3","2","3","7","7","3","5","1") = "6"
    & skf21("3","2","3","7","7","3","6","1") = "6"
    & skf21("3","2","3","7","7","3","7","1") = "6"
    & skf21("3","2","3","7","7","4","1","1") = "6"
    & skf21("3","2","3","7","7","4","2","1") = "6"
    & skf21("3","2","3","7","7","4","3","1") = "6"
    & skf21("3","2","3","7","7","4","4","1") = "6"
    & skf21("3","2","3","7","7","4","5","1") = "6"
    & skf21("3","2","3","7","7","4","6","1") = "6"
    & skf21("3","2","3","7","7","4","7","1") = "6"
    & skf21("3","2","3","7","7","5","1","1") = "6"
    & skf21("3","2","3","7","7","5","2","1") = "6"
    & skf21("3","2","3","7","7","5","3","1") = "6"
    & skf21("3","2","3","7","7","5","4","1") = "6"
    & skf21("3","2","3","7","7","5","5","1") = "6"
    & skf21("3","2","3","7","7","5","6","1") = "6"
    & skf21("3","2","3","7","7","5","7","1") = "6"
    & skf21("3","2","3","7","7","6","1","1") = "6"
    & skf21("3","2","3","7","7","6","2","1") = "6"
    & skf21("3","2","3","7","7","6","3","1") = "6"
    & skf21("3","2","3","7","7","6","4","1") = "6"
    & skf21("3","2","3","7","7","6","5","1") = "6"
    & skf21("3","2","3","7","7","6","6","1") = "6"
    & skf21("3","2","3","7","7","6","7","1") = "6"
    & skf21("3","2","3","7","7","7","1","1") = "6"
    & skf21("3","2","3","7","7","7","2","1") = "6"
    & skf21("3","2","3","7","7","7","3","1") = "6"
    & skf21("3","2","3","7","7","7","4","1") = "6"
    & skf21("3","2","3","7","7","7","5","1") = "6"
    & skf21("3","2","3","7","7","7","6","1") = "6"
    & skf21("3","2","3","7","7","7","7","1") = "6"
    & skf21("3","2","4","1","1","1","1","1") = "3"
    & skf21("3","2","4","1","1","1","2","1") = "3"
    & skf21("3","2","4","1","1","1","3","1") = "3"
    & skf21("3","2","4","1","1","1","4","1") = "3"
    & skf21("3","2","4","1","1","1","5","1") = "4"
    & skf21("3","2","4","1","1","1","6","1") = "5"
    & skf21("3","2","4","1","1","1","7","1") = "6"
    & skf21("3","2","4","1","1","2","1","1") = "3"
    & skf21("3","2","4","1","1","2","2","1") = "3"
    & skf21("3","2","4","1","1","2","3","1") = "3"
    & skf21("3","2","4","1","1","2","4","1") = "3"
    & skf21("3","2","4","1","1","2","5","1") = "4"
    & skf21("3","2","4","1","1","2","6","1") = "5"
    & skf21("3","2","4","1","1","2","7","1") = "6"
    & skf21("3","2","4","1","1","3","1","1") = "3"
    & skf21("3","2","4","1","1","3","2","1") = "3"
    & skf21("3","2","4","1","1","3","3","1") = "3"
    & skf21("3","2","4","1","1","3","4","1") = "3"
    & skf21("3","2","4","1","1","3","5","1") = "4"
    & skf21("3","2","4","1","1","3","6","1") = "5"
    & skf21("3","2","4","1","1","3","7","1") = "6"
    & skf21("3","2","4","1","1","4","1","1") = "3"
    & skf21("3","2","4","1","1","4","2","1") = "3"
    & skf21("3","2","4","1","1","4","3","1") = "3"
    & skf21("3","2","4","1","1","4","4","1") = "3"
    & skf21("3","2","4","1","1","4","5","1") = "4"
    & skf21("3","2","4","1","1","4","6","1") = "5"
    & skf21("3","2","4","1","1","4","7","1") = "6"
    & skf21("3","2","4","1","1","5","1","1") = "4"
    & skf21("3","2","4","1","1","5","2","1") = "4"
    & skf21("3","2","4","1","1","5","3","1") = "4"
    & skf21("3","2","4","1","1","5","4","1") = "4"
    & skf21("3","2","4","1","1","5","5","1") = "4"
    & skf21("3","2","4","1","1","5","6","1") = "5"
    & skf21("3","2","4","1","1","5","7","1") = "6"
    & skf21("3","2","4","1","1","6","1","1") = "5"
    & skf21("3","2","4","1","1","6","2","1") = "5"
    & skf21("3","2","4","1","1","6","3","1") = "5"
    & skf21("3","2","4","1","1","6","4","1") = "5"
    & skf21("3","2","4","1","1","6","5","1") = "5"
    & skf21("3","2","4","1","1","6","6","1") = "5"
    & skf21("3","2","4","1","1","6","7","1") = "6"
    & skf21("3","2","4","1","1","7","1","1") = "6"
    & skf21("3","2","4","1","1","7","2","1") = "6"
    & skf21("3","2","4","1","1","7","3","1") = "6"
    & skf21("3","2","4","1","1","7","4","1") = "6"
    & skf21("3","2","4","1","1","7","5","1") = "6"
    & skf21("3","2","4","1","1","7","6","1") = "6"
    & skf21("3","2","4","1","1","7","7","1") = "6"
    & skf21("3","2","4","1","2","1","1","1") = "3"
    & skf21("3","2","4","1","2","1","2","1") = "3"
    & skf21("3","2","4","1","2","1","3","1") = "3"
    & skf21("3","2","4","1","2","1","4","1") = "3"
    & skf21("3","2","4","1","2","1","5","1") = "4"
    & skf21("3","2","4","1","2","1","6","1") = "5"
    & skf21("3","2","4","1","2","1","7","1") = "6"
    & skf21("3","2","4","1","2","2","1","1") = "3"
    & skf21("3","2","4","1","2","2","2","1") = "3"
    & skf21("3","2","4","1","2","2","3","1") = "3"
    & skf21("3","2","4","1","2","2","4","1") = "3"
    & skf21("3","2","4","1","2","2","5","1") = "4"
    & skf21("3","2","4","1","2","2","6","1") = "5"
    & skf21("3","2","4","1","2","2","7","1") = "6"
    & skf21("3","2","4","1","2","3","1","1") = "3"
    & skf21("3","2","4","1","2","3","2","1") = "3"
    & skf21("3","2","4","1","2","3","3","1") = "3"
    & skf21("3","2","4","1","2","3","4","1") = "3"
    & skf21("3","2","4","1","2","3","5","1") = "4"
    & skf21("3","2","4","1","2","3","6","1") = "5"
    & skf21("3","2","4","1","2","3","7","1") = "6"
    & skf21("3","2","4","1","2","4","1","1") = "3"
    & skf21("3","2","4","1","2","4","2","1") = "3"
    & skf21("3","2","4","1","2","4","3","1") = "3"
    & skf21("3","2","4","1","2","4","4","1") = "3"
    & skf21("3","2","4","1","2","4","5","1") = "4"
    & skf21("3","2","4","1","2","4","6","1") = "5"
    & skf21("3","2","4","1","2","4","7","1") = "6"
    & skf21("3","2","4","1","2","5","1","1") = "4"
    & skf21("3","2","4","1","2","5","2","1") = "4"
    & skf21("3","2","4","1","2","5","3","1") = "4"
    & skf21("3","2","4","1","2","5","4","1") = "4"
    & skf21("3","2","4","1","2","5","5","1") = "4"
    & skf21("3","2","4","1","2","5","6","1") = "5"
    & skf21("3","2","4","1","2","5","7","1") = "6"
    & skf21("3","2","4","1","2","6","1","1") = "5"
    & skf21("3","2","4","1","2","6","2","1") = "5"
    & skf21("3","2","4","1","2","6","3","1") = "5"
    & skf21("3","2","4","1","2","6","4","1") = "5"
    & skf21("3","2","4","1","2","6","5","1") = "5"
    & skf21("3","2","4","1","2","6","6","1") = "5"
    & skf21("3","2","4","1","2","6","7","1") = "6"
    & skf21("3","2","4","1","2","7","1","1") = "6"
    & skf21("3","2","4","1","2","7","2","1") = "6"
    & skf21("3","2","4","1","2","7","3","1") = "6"
    & skf21("3","2","4","1","2","7","4","1") = "6"
    & skf21("3","2","4","1","2","7","5","1") = "6"
    & skf21("3","2","4","1","2","7","6","1") = "6"
    & skf21("3","2","4","1","2","7","7","1") = "6"
    & skf21("3","2","4","1","3","1","1","1") = "3"
    & skf21("3","2","4","1","3","1","2","1") = "3"
    & skf21("3","2","4","1","3","1","3","1") = "3"
    & skf21("3","2","4","1","3","1","4","1") = "3"
    & skf21("3","2","4","1","3","1","5","1") = "4"
    & skf21("3","2","4","1","3","1","6","1") = "5"
    & skf21("3","2","4","1","3","1","7","1") = "6"
    & skf21("3","2","4","1","3","2","1","1") = "3"
    & skf21("3","2","4","1","3","2","2","1") = "3"
    & skf21("3","2","4","1","3","2","3","1") = "3"
    & skf21("3","2","4","1","3","2","4","1") = "3"
    & skf21("3","2","4","1","3","2","5","1") = "4"
    & skf21("3","2","4","1","3","2","6","1") = "5"
    & skf21("3","2","4","1","3","2","7","1") = "6"
    & skf21("3","2","4","1","3","3","1","1") = "3"
    & skf21("3","2","4","1","3","3","2","1") = "3"
    & skf21("3","2","4","1","3","3","3","1") = "3"
    & skf21("3","2","4","1","3","3","4","1") = "3"
    & skf21("3","2","4","1","3","3","5","1") = "4"
    & skf21("3","2","4","1","3","3","6","1") = "5"
    & skf21("3","2","4","1","3","3","7","1") = "6"
    & skf21("3","2","4","1","3","4","1","1") = "3"
    & skf21("3","2","4","1","3","4","2","1") = "3"
    & skf21("3","2","4","1","3","4","3","1") = "3"
    & skf21("3","2","4","1","3","4","4","1") = "3"
    & skf21("3","2","4","1","3","4","5","1") = "4"
    & skf21("3","2","4","1","3","4","6","1") = "5"
    & skf21("3","2","4","1","3","4","7","1") = "6"
    & skf21("3","2","4","1","3","5","1","1") = "4"
    & skf21("3","2","4","1","3","5","2","1") = "4"
    & skf21("3","2","4","1","3","5","3","1") = "4"
    & skf21("3","2","4","1","3","5","4","1") = "4"
    & skf21("3","2","4","1","3","5","5","1") = "4"
    & skf21("3","2","4","1","3","5","6","1") = "5"
    & skf21("3","2","4","1","3","5","7","1") = "6"
    & skf21("3","2","4","1","3","6","1","1") = "5"
    & skf21("3","2","4","1","3","6","2","1") = "5"
    & skf21("3","2","4","1","3","6","3","1") = "5"
    & skf21("3","2","4","1","3","6","4","1") = "5"
    & skf21("3","2","4","1","3","6","5","1") = "5"
    & skf21("3","2","4","1","3","6","6","1") = "5"
    & skf21("3","2","4","1","3","6","7","1") = "6"
    & skf21("3","2","4","1","3","7","1","1") = "6"
    & skf21("3","2","4","1","3","7","2","1") = "6"
    & skf21("3","2","4","1","3","7","3","1") = "6"
    & skf21("3","2","4","1","3","7","4","1") = "6"
    & skf21("3","2","4","1","3","7","5","1") = "6"
    & skf21("3","2","4","1","3","7","6","1") = "6"
    & skf21("3","2","4","1","3","7","7","1") = "6"
    & skf21("3","2","4","1","4","1","1","1") = "3"
    & skf21("3","2","4","1","4","1","2","1") = "3"
    & skf21("3","2","4","1","4","1","3","1") = "3"
    & skf21("3","2","4","1","4","1","4","1") = "3"
    & skf21("3","2","4","1","4","1","5","1") = "4"
    & skf21("3","2","4","1","4","1","6","1") = "5"
    & skf21("3","2","4","1","4","1","7","1") = "6"
    & skf21("3","2","4","1","4","2","1","1") = "3"
    & skf21("3","2","4","1","4","2","2","1") = "3"
    & skf21("3","2","4","1","4","2","3","1") = "3"
    & skf21("3","2","4","1","4","2","4","1") = "3"
    & skf21("3","2","4","1","4","2","5","1") = "4"
    & skf21("3","2","4","1","4","2","6","1") = "5"
    & skf21("3","2","4","1","4","2","7","1") = "6"
    & skf21("3","2","4","1","4","3","1","1") = "3"
    & skf21("3","2","4","1","4","3","2","1") = "3"
    & skf21("3","2","4","1","4","3","3","1") = "3"
    & skf21("3","2","4","1","4","3","4","1") = "3"
    & skf21("3","2","4","1","4","3","5","1") = "4"
    & skf21("3","2","4","1","4","3","6","1") = "5"
    & skf21("3","2","4","1","4","3","7","1") = "6"
    & skf21("3","2","4","1","4","4","1","1") = "3"
    & skf21("3","2","4","1","4","4","2","1") = "3"
    & skf21("3","2","4","1","4","4","3","1") = "3"
    & skf21("3","2","4","1","4","4","4","1") = "3"
    & skf21("3","2","4","1","4","4","5","1") = "4"
    & skf21("3","2","4","1","4","4","6","1") = "5"
    & skf21("3","2","4","1","4","4","7","1") = "6"
    & skf21("3","2","4","1","4","5","1","1") = "4"
    & skf21("3","2","4","1","4","5","2","1") = "4"
    & skf21("3","2","4","1","4","5","3","1") = "4"
    & skf21("3","2","4","1","4","5","4","1") = "4"
    & skf21("3","2","4","1","4","5","5","1") = "4"
    & skf21("3","2","4","1","4","5","6","1") = "5"
    & skf21("3","2","4","1","4","5","7","1") = "6"
    & skf21("3","2","4","1","4","6","1","1") = "5"
    & skf21("3","2","4","1","4","6","2","1") = "5"
    & skf21("3","2","4","1","4","6","3","1") = "5"
    & skf21("3","2","4","1","4","6","4","1") = "5"
    & skf21("3","2","4","1","4","6","5","1") = "5"
    & skf21("3","2","4","1","4","6","6","1") = "5"
    & skf21("3","2","4","1","4","6","7","1") = "6"
    & skf21("3","2","4","1","4","7","1","1") = "6"
    & skf21("3","2","4","1","4","7","2","1") = "6"
    & skf21("3","2","4","1","4","7","3","1") = "6"
    & skf21("3","2","4","1","4","7","4","1") = "6"
    & skf21("3","2","4","1","4","7","5","1") = "6"
    & skf21("3","2","4","1","4","7","6","1") = "6"
    & skf21("3","2","4","1","4","7","7","1") = "6"
    & skf21("3","2","4","1","5","1","1","1") = "4"
    & skf21("3","2","4","1","5","1","2","1") = "4"
    & skf21("3","2","4","1","5","1","3","1") = "4"
    & skf21("3","2","4","1","5","1","4","1") = "4"
    & skf21("3","2","4","1","5","1","5","1") = "4"
    & skf21("3","2","4","1","5","1","6","1") = "5"
    & skf21("3","2","4","1","5","1","7","1") = "6"
    & skf21("3","2","4","1","5","2","1","1") = "4"
    & skf21("3","2","4","1","5","2","2","1") = "4"
    & skf21("3","2","4","1","5","2","3","1") = "4"
    & skf21("3","2","4","1","5","2","4","1") = "4"
    & skf21("3","2","4","1","5","2","5","1") = "4"
    & skf21("3","2","4","1","5","2","6","1") = "5"
    & skf21("3","2","4","1","5","2","7","1") = "6"
    & skf21("3","2","4","1","5","3","1","1") = "4"
    & skf21("3","2","4","1","5","3","2","1") = "4"
    & skf21("3","2","4","1","5","3","3","1") = "4"
    & skf21("3","2","4","1","5","3","4","1") = "4"
    & skf21("3","2","4","1","5","3","5","1") = "4"
    & skf21("3","2","4","1","5","3","6","1") = "5"
    & skf21("3","2","4","1","5","3","7","1") = "6"
    & skf21("3","2","4","1","5","4","1","1") = "4"
    & skf21("3","2","4","1","5","4","2","1") = "4"
    & skf21("3","2","4","1","5","4","3","1") = "4"
    & skf21("3","2","4","1","5","4","4","1") = "4"
    & skf21("3","2","4","1","5","4","5","1") = "4"
    & skf21("3","2","4","1","5","4","6","1") = "5"
    & skf21("3","2","4","1","5","4","7","1") = "6"
    & skf21("3","2","4","1","5","5","1","1") = "4"
    & skf21("3","2","4","1","5","5","2","1") = "4"
    & skf21("3","2","4","1","5","5","3","1") = "4"
    & skf21("3","2","4","1","5","5","4","1") = "4"
    & skf21("3","2","4","1","5","5","5","1") = "4"
    & skf21("3","2","4","1","5","5","6","1") = "5"
    & skf21("3","2","4","1","5","5","7","1") = "6"
    & skf21("3","2","4","1","5","6","1","1") = "5"
    & skf21("3","2","4","1","5","6","2","1") = "5"
    & skf21("3","2","4","1","5","6","3","1") = "5"
    & skf21("3","2","4","1","5","6","4","1") = "5"
    & skf21("3","2","4","1","5","6","5","1") = "5"
    & skf21("3","2","4","1","5","6","6","1") = "5"
    & skf21("3","2","4","1","5","6","7","1") = "6"
    & skf21("3","2","4","1","5","7","1","1") = "6"
    & skf21("3","2","4","1","5","7","2","1") = "6"
    & skf21("3","2","4","1","5","7","3","1") = "6"
    & skf21("3","2","4","1","5","7","4","1") = "6"
    & skf21("3","2","4","1","5","7","5","1") = "6"
    & skf21("3","2","4","1","5","7","6","1") = "6"
    & skf21("3","2","4","1","5","7","7","1") = "6"
    & skf21("3","2","4","1","6","1","1","1") = "5"
    & skf21("3","2","4","1","6","1","2","1") = "5"
    & skf21("3","2","4","1","6","1","3","1") = "5"
    & skf21("3","2","4","1","6","1","4","1") = "5"
    & skf21("3","2","4","1","6","1","5","1") = "5"
    & skf21("3","2","4","1","6","1","6","1") = "5"
    & skf21("3","2","4","1","6","1","7","1") = "6"
    & skf21("3","2","4","1","6","2","1","1") = "5"
    & skf21("3","2","4","1","6","2","2","1") = "5"
    & skf21("3","2","4","1","6","2","3","1") = "5"
    & skf21("3","2","4","1","6","2","4","1") = "5"
    & skf21("3","2","4","1","6","2","5","1") = "5"
    & skf21("3","2","4","1","6","2","6","1") = "5"
    & skf21("3","2","4","1","6","2","7","1") = "6"
    & skf21("3","2","4","1","6","3","1","1") = "5"
    & skf21("3","2","4","1","6","3","2","1") = "5"
    & skf21("3","2","4","1","6","3","3","1") = "5"
    & skf21("3","2","4","1","6","3","4","1") = "5"
    & skf21("3","2","4","1","6","3","5","1") = "5"
    & skf21("3","2","4","1","6","3","6","1") = "5"
    & skf21("3","2","4","1","6","3","7","1") = "6"
    & skf21("3","2","4","1","6","4","1","1") = "5"
    & skf21("3","2","4","1","6","4","2","1") = "5"
    & skf21("3","2","4","1","6","4","3","1") = "5"
    & skf21("3","2","4","1","6","4","4","1") = "5"
    & skf21("3","2","4","1","6","4","5","1") = "5"
    & skf21("3","2","4","1","6","4","6","1") = "5"
    & skf21("3","2","4","1","6","4","7","1") = "6"
    & skf21("3","2","4","1","6","5","1","1") = "5"
    & skf21("3","2","4","1","6","5","2","1") = "5"
    & skf21("3","2","4","1","6","5","3","1") = "5"
    & skf21("3","2","4","1","6","5","4","1") = "5"
    & skf21("3","2","4","1","6","5","5","1") = "5"
    & skf21("3","2","4","1","6","5","6","1") = "5"
    & skf21("3","2","4","1","6","5","7","1") = "6"
    & skf21("3","2","4","1","6","6","1","1") = "5"
    & skf21("3","2","4","1","6","6","2","1") = "5"
    & skf21("3","2","4","1","6","6","3","1") = "5"
    & skf21("3","2","4","1","6","6","4","1") = "5"
    & skf21("3","2","4","1","6","6","5","1") = "5"
    & skf21("3","2","4","1","6","6","6","1") = "5"
    & skf21("3","2","4","1","6","6","7","1") = "6"
    & skf21("3","2","4","1","6","7","1","1") = "6"
    & skf21("3","2","4","1","6","7","2","1") = "6"
    & skf21("3","2","4","1","6","7","3","1") = "6"
    & skf21("3","2","4","1","6","7","4","1") = "6"
    & skf21("3","2","4","1","6","7","5","1") = "6"
    & skf21("3","2","4","1","6","7","6","1") = "6"
    & skf21("3","2","4","1","6","7","7","1") = "6"
    & skf21("3","2","4","1","7","1","1","1") = "6"
    & skf21("3","2","4","1","7","1","2","1") = "6"
    & skf21("3","2","4","1","7","1","3","1") = "6"
    & skf21("3","2","4","1","7","1","4","1") = "6"
    & skf21("3","2","4","1","7","1","5","1") = "6"
    & skf21("3","2","4","1","7","1","6","1") = "6"
    & skf21("3","2","4","1","7","1","7","1") = "6"
    & skf21("3","2","4","1","7","2","1","1") = "6"
    & skf21("3","2","4","1","7","2","2","1") = "6"
    & skf21("3","2","4","1","7","2","3","1") = "6"
    & skf21("3","2","4","1","7","2","4","1") = "6"
    & skf21("3","2","4","1","7","2","5","1") = "6"
    & skf21("3","2","4","1","7","2","6","1") = "6"
    & skf21("3","2","4","1","7","2","7","1") = "6"
    & skf21("3","2","4","1","7","3","1","1") = "6"
    & skf21("3","2","4","1","7","3","2","1") = "6"
    & skf21("3","2","4","1","7","3","3","1") = "6"
    & skf21("3","2","4","1","7","3","4","1") = "6"
    & skf21("3","2","4","1","7","3","5","1") = "6"
    & skf21("3","2","4","1","7","3","6","1") = "6"
    & skf21("3","2","4","1","7","3","7","1") = "6"
    & skf21("3","2","4","1","7","4","1","1") = "6"
    & skf21("3","2","4","1","7","4","2","1") = "6"
    & skf21("3","2","4","1","7","4","3","1") = "6"
    & skf21("3","2","4","1","7","4","4","1") = "6"
    & skf21("3","2","4","1","7","4","5","1") = "6"
    & skf21("3","2","4","1","7","4","6","1") = "6"
    & skf21("3","2","4","1","7","4","7","1") = "6"
    & skf21("3","2","4","1","7","5","1","1") = "6"
    & skf21("3","2","4","1","7","5","2","1") = "6"
    & skf21("3","2","4","1","7","5","3","1") = "6"
    & skf21("3","2","4","1","7","5","4","1") = "6"
    & skf21("3","2","4","1","7","5","5","1") = "6"
    & skf21("3","2","4","1","7","5","6","1") = "6"
    & skf21("3","2","4","1","7","5","7","1") = "6"
    & skf21("3","2","4","1","7","6","1","1") = "6"
    & skf21("3","2","4","1","7","6","2","1") = "6"
    & skf21("3","2","4","1","7","6","3","1") = "6"
    & skf21("3","2","4","1","7","6","4","1") = "6"
    & skf21("3","2","4","1","7","6","5","1") = "6"
    & skf21("3","2","4","1","7","6","6","1") = "6"
    & skf21("3","2","4","1","7","6","7","1") = "6"
    & skf21("3","2","4","1","7","7","1","1") = "6"
    & skf21("3","2","4","1","7","7","2","1") = "6"
    & skf21("3","2","4","1","7","7","3","1") = "6"
    & skf21("3","2","4","1","7","7","4","1") = "6"
    & skf21("3","2","4","1","7","7","5","1") = "6"
    & skf21("3","2","4","1","7","7","6","1") = "6"
    & skf21("3","2","4","1","7","7","7","1") = "6"
    & skf21("3","2","4","2","1","1","1","1") = "3"
    & skf21("3","2","4","2","1","1","2","1") = "3"
    & skf21("3","2","4","2","1","1","3","1") = "3"
    & skf21("3","2","4","2","1","1","4","1") = "3"
    & skf21("3","2","4","2","1","1","5","1") = "4"
    & skf21("3","2","4","2","1","1","6","1") = "5"
    & skf21("3","2","4","2","1","1","7","1") = "6"
    & skf21("3","2","4","2","1","2","1","1") = "3"
    & skf21("3","2","4","2","1","2","2","1") = "3"
    & skf21("3","2","4","2","1","2","3","1") = "3"
    & skf21("3","2","4","2","1","2","4","1") = "3"
    & skf21("3","2","4","2","1","2","5","1") = "4"
    & skf21("3","2","4","2","1","2","6","1") = "5"
    & skf21("3","2","4","2","1","2","7","1") = "6"
    & skf21("3","2","4","2","1","3","1","1") = "3"
    & skf21("3","2","4","2","1","3","2","1") = "3"
    & skf21("3","2","4","2","1","3","3","1") = "3"
    & skf21("3","2","4","2","1","3","4","1") = "3"
    & skf21("3","2","4","2","1","3","5","1") = "4"
    & skf21("3","2","4","2","1","3","6","1") = "5"
    & skf21("3","2","4","2","1","3","7","1") = "6"
    & skf21("3","2","4","2","1","4","1","1") = "3"
    & skf21("3","2","4","2","1","4","2","1") = "3"
    & skf21("3","2","4","2","1","4","3","1") = "3"
    & skf21("3","2","4","2","1","4","4","1") = "3"
    & skf21("3","2","4","2","1","4","5","1") = "4"
    & skf21("3","2","4","2","1","4","6","1") = "5"
    & skf21("3","2","4","2","1","4","7","1") = "6"
    & skf21("3","2","4","2","1","5","1","1") = "4"
    & skf21("3","2","4","2","1","5","2","1") = "4"
    & skf21("3","2","4","2","1","5","3","1") = "4"
    & skf21("3","2","4","2","1","5","4","1") = "4"
    & skf21("3","2","4","2","1","5","5","1") = "4"
    & skf21("3","2","4","2","1","5","6","1") = "5"
    & skf21("3","2","4","2","1","5","7","1") = "6"
    & skf21("3","2","4","2","1","6","1","1") = "5"
    & skf21("3","2","4","2","1","6","2","1") = "5"
    & skf21("3","2","4","2","1","6","3","1") = "5"
    & skf21("3","2","4","2","1","6","4","1") = "5"
    & skf21("3","2","4","2","1","6","5","1") = "5"
    & skf21("3","2","4","2","1","6","6","1") = "5"
    & skf21("3","2","4","2","1","6","7","1") = "6"
    & skf21("3","2","4","2","1","7","1","1") = "6"
    & skf21("3","2","4","2","1","7","2","1") = "6"
    & skf21("3","2","4","2","1","7","3","1") = "6"
    & skf21("3","2","4","2","1","7","4","1") = "6"
    & skf21("3","2","4","2","1","7","5","1") = "6"
    & skf21("3","2","4","2","1","7","6","1") = "6"
    & skf21("3","2","4","2","1","7","7","1") = "6"
    & skf21("3","2","4","2","2","1","1","1") = "3"
    & skf21("3","2","4","2","2","1","2","1") = "3"
    & skf21("3","2","4","2","2","1","3","1") = "3"
    & skf21("3","2","4","2","2","1","4","1") = "3"
    & skf21("3","2","4","2","2","1","5","1") = "4"
    & skf21("3","2","4","2","2","1","6","1") = "5"
    & skf21("3","2","4","2","2","1","7","1") = "6"
    & skf21("3","2","4","2","2","2","1","1") = "3"
    & skf21("3","2","4","2","2","2","2","1") = "3"
    & skf21("3","2","4","2","2","2","3","1") = "3"
    & skf21("3","2","4","2","2","2","4","1") = "3"
    & skf21("3","2","4","2","2","2","5","1") = "4"
    & skf21("3","2","4","2","2","2","6","1") = "5"
    & skf21("3","2","4","2","2","2","7","1") = "6"
    & skf21("3","2","4","2","2","3","1","1") = "3"
    & skf21("3","2","4","2","2","3","2","1") = "3"
    & skf21("3","2","4","2","2","3","3","1") = "3"
    & skf21("3","2","4","2","2","3","4","1") = "3"
    & skf21("3","2","4","2","2","3","5","1") = "4"
    & skf21("3","2","4","2","2","3","6","1") = "5"
    & skf21("3","2","4","2","2","3","7","1") = "6"
    & skf21("3","2","4","2","2","4","1","1") = "3"
    & skf21("3","2","4","2","2","4","2","1") = "3"
    & skf21("3","2","4","2","2","4","3","1") = "3"
    & skf21("3","2","4","2","2","4","4","1") = "3"
    & skf21("3","2","4","2","2","4","5","1") = "4"
    & skf21("3","2","4","2","2","4","6","1") = "5"
    & skf21("3","2","4","2","2","4","7","1") = "6"
    & skf21("3","2","4","2","2","5","1","1") = "4"
    & skf21("3","2","4","2","2","5","2","1") = "4"
    & skf21("3","2","4","2","2","5","3","1") = "4"
    & skf21("3","2","4","2","2","5","4","1") = "4"
    & skf21("3","2","4","2","2","5","5","1") = "4"
    & skf21("3","2","4","2","2","5","6","1") = "5"
    & skf21("3","2","4","2","2","5","7","1") = "6"
    & skf21("3","2","4","2","2","6","1","1") = "5"
    & skf21("3","2","4","2","2","6","2","1") = "5"
    & skf21("3","2","4","2","2","6","3","1") = "5"
    & skf21("3","2","4","2","2","6","4","1") = "5"
    & skf21("3","2","4","2","2","6","5","1") = "5"
    & skf21("3","2","4","2","2","6","6","1") = "5"
    & skf21("3","2","4","2","2","6","7","1") = "6"
    & skf21("3","2","4","2","2","7","1","1") = "6"
    & skf21("3","2","4","2","2","7","2","1") = "6"
    & skf21("3","2","4","2","2","7","3","1") = "6"
    & skf21("3","2","4","2","2","7","4","1") = "6"
    & skf21("3","2","4","2","2","7","5","1") = "6"
    & skf21("3","2","4","2","2","7","6","1") = "6"
    & skf21("3","2","4","2","2","7","7","1") = "6"
    & skf21("3","2","4","2","3","1","1","1") = "3"
    & skf21("3","2","4","2","3","1","2","1") = "3"
    & skf21("3","2","4","2","3","1","3","1") = "3"
    & skf21("3","2","4","2","3","1","4","1") = "3"
    & skf21("3","2","4","2","3","1","5","1") = "4"
    & skf21("3","2","4","2","3","1","6","1") = "5"
    & skf21("3","2","4","2","3","1","7","1") = "6"
    & skf21("3","2","4","2","3","2","1","1") = "3"
    & skf21("3","2","4","2","3","2","2","1") = "3"
    & skf21("3","2","4","2","3","2","3","1") = "3"
    & skf21("3","2","4","2","3","2","4","1") = "3"
    & skf21("3","2","4","2","3","2","5","1") = "4"
    & skf21("3","2","4","2","3","2","6","1") = "5"
    & skf21("3","2","4","2","3","2","7","1") = "6"
    & skf21("3","2","4","2","3","3","1","1") = "3"
    & skf21("3","2","4","2","3","3","2","1") = "3"
    & skf21("3","2","4","2","3","3","3","1") = "3"
    & skf21("3","2","4","2","3","3","4","1") = "3"
    & skf21("3","2","4","2","3","3","5","1") = "4"
    & skf21("3","2","4","2","3","3","6","1") = "5"
    & skf21("3","2","4","2","3","3","7","1") = "6"
    & skf21("3","2","4","2","3","4","1","1") = "3"
    & skf21("3","2","4","2","3","4","2","1") = "3"
    & skf21("3","2","4","2","3","4","3","1") = "3"
    & skf21("3","2","4","2","3","4","4","1") = "3"
    & skf21("3","2","4","2","3","4","5","1") = "4"
    & skf21("3","2","4","2","3","4","6","1") = "5"
    & skf21("3","2","4","2","3","4","7","1") = "6"
    & skf21("3","2","4","2","3","5","1","1") = "4"
    & skf21("3","2","4","2","3","5","2","1") = "4"
    & skf21("3","2","4","2","3","5","3","1") = "4"
    & skf21("3","2","4","2","3","5","4","1") = "4"
    & skf21("3","2","4","2","3","5","5","1") = "4"
    & skf21("3","2","4","2","3","5","6","1") = "5"
    & skf21("3","2","4","2","3","5","7","1") = "6"
    & skf21("3","2","4","2","3","6","1","1") = "5"
    & skf21("3","2","4","2","3","6","2","1") = "5"
    & skf21("3","2","4","2","3","6","3","1") = "5"
    & skf21("3","2","4","2","3","6","4","1") = "5"
    & skf21("3","2","4","2","3","6","5","1") = "5"
    & skf21("3","2","4","2","3","6","6","1") = "5"
    & skf21("3","2","4","2","3","6","7","1") = "6"
    & skf21("3","2","4","2","3","7","1","1") = "6"
    & skf21("3","2","4","2","3","7","2","1") = "6"
    & skf21("3","2","4","2","3","7","3","1") = "6"
    & skf21("3","2","4","2","3","7","4","1") = "6"
    & skf21("3","2","4","2","3","7","5","1") = "6"
    & skf21("3","2","4","2","3","7","6","1") = "6"
    & skf21("3","2","4","2","3","7","7","1") = "6"
    & skf21("3","2","4","2","4","1","1","1") = "3"
    & skf21("3","2","4","2","4","1","2","1") = "3"
    & skf21("3","2","4","2","4","1","3","1") = "3"
    & skf21("3","2","4","2","4","1","4","1") = "3"
    & skf21("3","2","4","2","4","1","5","1") = "4"
    & skf21("3","2","4","2","4","1","6","1") = "5"
    & skf21("3","2","4","2","4","1","7","1") = "6"
    & skf21("3","2","4","2","4","2","1","1") = "3"
    & skf21("3","2","4","2","4","2","2","1") = "3"
    & skf21("3","2","4","2","4","2","3","1") = "3"
    & skf21("3","2","4","2","4","2","4","1") = "3"
    & skf21("3","2","4","2","4","2","5","1") = "4"
    & skf21("3","2","4","2","4","2","6","1") = "5"
    & skf21("3","2","4","2","4","2","7","1") = "6"
    & skf21("3","2","4","2","4","3","1","1") = "3"
    & skf21("3","2","4","2","4","3","2","1") = "3"
    & skf21("3","2","4","2","4","3","3","1") = "3"
    & skf21("3","2","4","2","4","3","4","1") = "3"
    & skf21("3","2","4","2","4","3","5","1") = "4"
    & skf21("3","2","4","2","4","3","6","1") = "5"
    & skf21("3","2","4","2","4","3","7","1") = "6"
    & skf21("3","2","4","2","4","4","1","1") = "3"
    & skf21("3","2","4","2","4","4","2","1") = "3"
    & skf21("3","2","4","2","4","4","3","1") = "3"
    & skf21("3","2","4","2","4","4","4","1") = "3"
    & skf21("3","2","4","2","4","4","5","1") = "4"
    & skf21("3","2","4","2","4","4","6","1") = "5"
    & skf21("3","2","4","2","4","4","7","1") = "6"
    & skf21("3","2","4","2","4","5","1","1") = "4"
    & skf21("3","2","4","2","4","5","2","1") = "4"
    & skf21("3","2","4","2","4","5","3","1") = "4"
    & skf21("3","2","4","2","4","5","4","1") = "4"
    & skf21("3","2","4","2","4","5","5","1") = "4"
    & skf21("3","2","4","2","4","5","6","1") = "5"
    & skf21("3","2","4","2","4","5","7","1") = "6"
    & skf21("3","2","4","2","4","6","1","1") = "5"
    & skf21("3","2","4","2","4","6","2","1") = "5"
    & skf21("3","2","4","2","4","6","3","1") = "5"
    & skf21("3","2","4","2","4","6","4","1") = "5"
    & skf21("3","2","4","2","4","6","5","1") = "5"
    & skf21("3","2","4","2","4","6","6","1") = "5"
    & skf21("3","2","4","2","4","6","7","1") = "6"
    & skf21("3","2","4","2","4","7","1","1") = "6"
    & skf21("3","2","4","2","4","7","2","1") = "6"
    & skf21("3","2","4","2","4","7","3","1") = "6"
    & skf21("3","2","4","2","4","7","4","1") = "6"
    & skf21("3","2","4","2","4","7","5","1") = "6"
    & skf21("3","2","4","2","4","7","6","1") = "6"
    & skf21("3","2","4","2","4","7","7","1") = "6"
    & skf21("3","2","4","2","5","1","1","1") = "4"
    & skf21("3","2","4","2","5","1","2","1") = "4"
    & skf21("3","2","4","2","5","1","3","1") = "4"
    & skf21("3","2","4","2","5","1","4","1") = "4"
    & skf21("3","2","4","2","5","1","5","1") = "4"
    & skf21("3","2","4","2","5","1","6","1") = "5"
    & skf21("3","2","4","2","5","1","7","1") = "6"
    & skf21("3","2","4","2","5","2","1","1") = "4"
    & skf21("3","2","4","2","5","2","2","1") = "4"
    & skf21("3","2","4","2","5","2","3","1") = "4"
    & skf21("3","2","4","2","5","2","4","1") = "4"
    & skf21("3","2","4","2","5","2","5","1") = "4"
    & skf21("3","2","4","2","5","2","6","1") = "5"
    & skf21("3","2","4","2","5","2","7","1") = "6"
    & skf21("3","2","4","2","5","3","1","1") = "4"
    & skf21("3","2","4","2","5","3","2","1") = "4"
    & skf21("3","2","4","2","5","3","3","1") = "4"
    & skf21("3","2","4","2","5","3","4","1") = "4"
    & skf21("3","2","4","2","5","3","5","1") = "4"
    & skf21("3","2","4","2","5","3","6","1") = "5"
    & skf21("3","2","4","2","5","3","7","1") = "6"
    & skf21("3","2","4","2","5","4","1","1") = "4"
    & skf21("3","2","4","2","5","4","2","1") = "4"
    & skf21("3","2","4","2","5","4","3","1") = "4"
    & skf21("3","2","4","2","5","4","4","1") = "4"
    & skf21("3","2","4","2","5","4","5","1") = "4"
    & skf21("3","2","4","2","5","4","6","1") = "5"
    & skf21("3","2","4","2","5","4","7","1") = "6"
    & skf21("3","2","4","2","5","5","1","1") = "4"
    & skf21("3","2","4","2","5","5","2","1") = "4"
    & skf21("3","2","4","2","5","5","3","1") = "4"
    & skf21("3","2","4","2","5","5","4","1") = "4"
    & skf21("3","2","4","2","5","5","5","1") = "4"
    & skf21("3","2","4","2","5","5","6","1") = "5"
    & skf21("3","2","4","2","5","5","7","1") = "6"
    & skf21("3","2","4","2","5","6","1","1") = "5"
    & skf21("3","2","4","2","5","6","2","1") = "5"
    & skf21("3","2","4","2","5","6","3","1") = "5"
    & skf21("3","2","4","2","5","6","4","1") = "5"
    & skf21("3","2","4","2","5","6","5","1") = "5"
    & skf21("3","2","4","2","5","6","6","1") = "5"
    & skf21("3","2","4","2","5","6","7","1") = "6"
    & skf21("3","2","4","2","5","7","1","1") = "6"
    & skf21("3","2","4","2","5","7","2","1") = "6"
    & skf21("3","2","4","2","5","7","3","1") = "6"
    & skf21("3","2","4","2","5","7","4","1") = "6"
    & skf21("3","2","4","2","5","7","5","1") = "6"
    & skf21("3","2","4","2","5","7","6","1") = "6"
    & skf21("3","2","4","2","5","7","7","1") = "6"
    & skf21("3","2","4","2","6","1","1","1") = "5"
    & skf21("3","2","4","2","6","1","2","1") = "5"
    & skf21("3","2","4","2","6","1","3","1") = "5"
    & skf21("3","2","4","2","6","1","4","1") = "5"
    & skf21("3","2","4","2","6","1","5","1") = "5"
    & skf21("3","2","4","2","6","1","6","1") = "5"
    & skf21("3","2","4","2","6","1","7","1") = "6"
    & skf21("3","2","4","2","6","2","1","1") = "5"
    & skf21("3","2","4","2","6","2","2","1") = "5"
    & skf21("3","2","4","2","6","2","3","1") = "5"
    & skf21("3","2","4","2","6","2","4","1") = "5"
    & skf21("3","2","4","2","6","2","5","1") = "5"
    & skf21("3","2","4","2","6","2","6","1") = "5"
    & skf21("3","2","4","2","6","2","7","1") = "6"
    & skf21("3","2","4","2","6","3","1","1") = "5"
    & skf21("3","2","4","2","6","3","2","1") = "5"
    & skf21("3","2","4","2","6","3","3","1") = "5"
    & skf21("3","2","4","2","6","3","4","1") = "5"
    & skf21("3","2","4","2","6","3","5","1") = "5"
    & skf21("3","2","4","2","6","3","6","1") = "5"
    & skf21("3","2","4","2","6","3","7","1") = "6"
    & skf21("3","2","4","2","6","4","1","1") = "5"
    & skf21("3","2","4","2","6","4","2","1") = "5"
    & skf21("3","2","4","2","6","4","3","1") = "5"
    & skf21("3","2","4","2","6","4","4","1") = "5"
    & skf21("3","2","4","2","6","4","5","1") = "5"
    & skf21("3","2","4","2","6","4","6","1") = "5"
    & skf21("3","2","4","2","6","4","7","1") = "6"
    & skf21("3","2","4","2","6","5","1","1") = "5"
    & skf21("3","2","4","2","6","5","2","1") = "5"
    & skf21("3","2","4","2","6","5","3","1") = "5"
    & skf21("3","2","4","2","6","5","4","1") = "5"
    & skf21("3","2","4","2","6","5","5","1") = "5"
    & skf21("3","2","4","2","6","5","6","1") = "5"
    & skf21("3","2","4","2","6","5","7","1") = "6"
    & skf21("3","2","4","2","6","6","1","1") = "5"
    & skf21("3","2","4","2","6","6","2","1") = "5"
    & skf21("3","2","4","2","6","6","3","1") = "5"
    & skf21("3","2","4","2","6","6","4","1") = "5"
    & skf21("3","2","4","2","6","6","5","1") = "5"
    & skf21("3","2","4","2","6","6","6","1") = "5"
    & skf21("3","2","4","2","6","6","7","1") = "6"
    & skf21("3","2","4","2","6","7","1","1") = "6"
    & skf21("3","2","4","2","6","7","2","1") = "6"
    & skf21("3","2","4","2","6","7","3","1") = "6"
    & skf21("3","2","4","2","6","7","4","1") = "6"
    & skf21("3","2","4","2","6","7","5","1") = "6"
    & skf21("3","2","4","2","6","7","6","1") = "6"
    & skf21("3","2","4","2","6","7","7","1") = "6"
    & skf21("3","2","4","2","7","1","1","1") = "6"
    & skf21("3","2","4","2","7","1","2","1") = "6"
    & skf21("3","2","4","2","7","1","3","1") = "6"
    & skf21("3","2","4","2","7","1","4","1") = "6"
    & skf21("3","2","4","2","7","1","5","1") = "6"
    & skf21("3","2","4","2","7","1","6","1") = "6"
    & skf21("3","2","4","2","7","1","7","1") = "6"
    & skf21("3","2","4","2","7","2","1","1") = "6"
    & skf21("3","2","4","2","7","2","2","1") = "6"
    & skf21("3","2","4","2","7","2","3","1") = "6"
    & skf21("3","2","4","2","7","2","4","1") = "6"
    & skf21("3","2","4","2","7","2","5","1") = "6"
    & skf21("3","2","4","2","7","2","6","1") = "6"
    & skf21("3","2","4","2","7","2","7","1") = "6"
    & skf21("3","2","4","2","7","3","1","1") = "6"
    & skf21("3","2","4","2","7","3","2","1") = "6"
    & skf21("3","2","4","2","7","3","3","1") = "6"
    & skf21("3","2","4","2","7","3","4","1") = "6"
    & skf21("3","2","4","2","7","3","5","1") = "6"
    & skf21("3","2","4","2","7","3","6","1") = "6"
    & skf21("3","2","4","2","7","3","7","1") = "6"
    & skf21("3","2","4","2","7","4","1","1") = "6"
    & skf21("3","2","4","2","7","4","2","1") = "6"
    & skf21("3","2","4","2","7","4","3","1") = "6"
    & skf21("3","2","4","2","7","4","4","1") = "6"
    & skf21("3","2","4","2","7","4","5","1") = "6"
    & skf21("3","2","4","2","7","4","6","1") = "6"
    & skf21("3","2","4","2","7","4","7","1") = "6"
    & skf21("3","2","4","2","7","5","1","1") = "6"
    & skf21("3","2","4","2","7","5","2","1") = "6"
    & skf21("3","2","4","2","7","5","3","1") = "6"
    & skf21("3","2","4","2","7","5","4","1") = "6"
    & skf21("3","2","4","2","7","5","5","1") = "6"
    & skf21("3","2","4","2","7","5","6","1") = "6"
    & skf21("3","2","4","2","7","5","7","1") = "6"
    & skf21("3","2","4","2","7","6","1","1") = "6"
    & skf21("3","2","4","2","7","6","2","1") = "6"
    & skf21("3","2","4","2","7","6","3","1") = "6"
    & skf21("3","2","4","2","7","6","4","1") = "6"
    & skf21("3","2","4","2","7","6","5","1") = "6"
    & skf21("3","2","4","2","7","6","6","1") = "6"
    & skf21("3","2","4","2","7","6","7","1") = "6"
    & skf21("3","2","4","2","7","7","1","1") = "6"
    & skf21("3","2","4","2","7","7","2","1") = "6"
    & skf21("3","2","4","2","7","7","3","1") = "6"
    & skf21("3","2","4","2","7","7","4","1") = "6"
    & skf21("3","2","4","2","7","7","5","1") = "6"
    & skf21("3","2","4","2","7","7","6","1") = "6"
    & skf21("3","2","4","2","7","7","7","1") = "6"
    & skf21("3","2","4","3","1","1","1","1") = "3"
    & skf21("3","2","4","3","1","1","2","1") = "3"
    & skf21("3","2","4","3","1","1","3","1") = "3"
    & skf21("3","2","4","3","1","1","4","1") = "3"
    & skf21("3","2","4","3","1","1","5","1") = "4"
    & skf21("3","2","4","3","1","1","6","1") = "5"
    & skf21("3","2","4","3","1","1","7","1") = "6"
    & skf21("3","2","4","3","1","2","1","1") = "3"
    & skf21("3","2","4","3","1","2","2","1") = "3"
    & skf21("3","2","4","3","1","2","3","1") = "3"
    & skf21("3","2","4","3","1","2","4","1") = "3"
    & skf21("3","2","4","3","1","2","5","1") = "4"
    & skf21("3","2","4","3","1","2","6","1") = "5"
    & skf21("3","2","4","3","1","2","7","1") = "6"
    & skf21("3","2","4","3","1","3","1","1") = "3"
    & skf21("3","2","4","3","1","3","2","1") = "3"
    & skf21("3","2","4","3","1","3","3","1") = "3"
    & skf21("3","2","4","3","1","3","4","1") = "3"
    & skf21("3","2","4","3","1","3","5","1") = "4"
    & skf21("3","2","4","3","1","3","6","1") = "5"
    & skf21("3","2","4","3","1","3","7","1") = "6"
    & skf21("3","2","4","3","1","4","1","1") = "3"
    & skf21("3","2","4","3","1","4","2","1") = "3"
    & skf21("3","2","4","3","1","4","3","1") = "3"
    & skf21("3","2","4","3","1","4","4","1") = "3"
    & skf21("3","2","4","3","1","4","5","1") = "4"
    & skf21("3","2","4","3","1","4","6","1") = "5"
    & skf21("3","2","4","3","1","4","7","1") = "6"
    & skf21("3","2","4","3","1","5","1","1") = "4"
    & skf21("3","2","4","3","1","5","2","1") = "4"
    & skf21("3","2","4","3","1","5","3","1") = "4"
    & skf21("3","2","4","3","1","5","4","1") = "4"
    & skf21("3","2","4","3","1","5","5","1") = "4"
    & skf21("3","2","4","3","1","5","6","1") = "5"
    & skf21("3","2","4","3","1","5","7","1") = "6"
    & skf21("3","2","4","3","1","6","1","1") = "5"
    & skf21("3","2","4","3","1","6","2","1") = "5"
    & skf21("3","2","4","3","1","6","3","1") = "5"
    & skf21("3","2","4","3","1","6","4","1") = "5"
    & skf21("3","2","4","3","1","6","5","1") = "5"
    & skf21("3","2","4","3","1","6","6","1") = "5"
    & skf21("3","2","4","3","1","6","7","1") = "6"
    & skf21("3","2","4","3","1","7","1","1") = "6"
    & skf21("3","2","4","3","1","7","2","1") = "6"
    & skf21("3","2","4","3","1","7","3","1") = "6"
    & skf21("3","2","4","3","1","7","4","1") = "6"
    & skf21("3","2","4","3","1","7","5","1") = "6"
    & skf21("3","2","4","3","1","7","6","1") = "6"
    & skf21("3","2","4","3","1","7","7","1") = "6"
    & skf21("3","2","4","3","2","1","1","1") = "3"
    & skf21("3","2","4","3","2","1","2","1") = "3"
    & skf21("3","2","4","3","2","1","3","1") = "3"
    & skf21("3","2","4","3","2","1","4","1") = "3"
    & skf21("3","2","4","3","2","1","5","1") = "4"
    & skf21("3","2","4","3","2","1","6","1") = "5"
    & skf21("3","2","4","3","2","1","7","1") = "6"
    & skf21("3","2","4","3","2","2","1","1") = "3"
    & skf21("3","2","4","3","2","2","2","1") = "3"
    & skf21("3","2","4","3","2","2","3","1") = "3"
    & skf21("3","2","4","3","2","2","4","1") = "3"
    & skf21("3","2","4","3","2","2","5","1") = "4"
    & skf21("3","2","4","3","2","2","6","1") = "5"
    & skf21("3","2","4","3","2","2","7","1") = "6"
    & skf21("3","2","4","3","2","3","1","1") = "3"
    & skf21("3","2","4","3","2","3","2","1") = "3"
    & skf21("3","2","4","3","2","3","3","1") = "3"
    & skf21("3","2","4","3","2","3","4","1") = "3"
    & skf21("3","2","4","3","2","3","5","1") = "4"
    & skf21("3","2","4","3","2","3","6","1") = "5"
    & skf21("3","2","4","3","2","3","7","1") = "6"
    & skf21("3","2","4","3","2","4","1","1") = "3"
    & skf21("3","2","4","3","2","4","2","1") = "3"
    & skf21("3","2","4","3","2","4","3","1") = "3"
    & skf21("3","2","4","3","2","4","4","1") = "3"
    & skf21("3","2","4","3","2","4","5","1") = "4"
    & skf21("3","2","4","3","2","4","6","1") = "5"
    & skf21("3","2","4","3","2","4","7","1") = "6"
    & skf21("3","2","4","3","2","5","1","1") = "4"
    & skf21("3","2","4","3","2","5","2","1") = "4"
    & skf21("3","2","4","3","2","5","3","1") = "4"
    & skf21("3","2","4","3","2","5","4","1") = "4"
    & skf21("3","2","4","3","2","5","5","1") = "4"
    & skf21("3","2","4","3","2","5","6","1") = "5"
    & skf21("3","2","4","3","2","5","7","1") = "6"
    & skf21("3","2","4","3","2","6","1","1") = "5"
    & skf21("3","2","4","3","2","6","2","1") = "5"
    & skf21("3","2","4","3","2","6","3","1") = "5"
    & skf21("3","2","4","3","2","6","4","1") = "5"
    & skf21("3","2","4","3","2","6","5","1") = "5"
    & skf21("3","2","4","3","2","6","6","1") = "5"
    & skf21("3","2","4","3","2","6","7","1") = "6"
    & skf21("3","2","4","3","2","7","1","1") = "6"
    & skf21("3","2","4","3","2","7","2","1") = "6"
    & skf21("3","2","4","3","2","7","3","1") = "6"
    & skf21("3","2","4","3","2","7","4","1") = "6"
    & skf21("3","2","4","3","2","7","5","1") = "6"
    & skf21("3","2","4","3","2","7","6","1") = "6"
    & skf21("3","2","4","3","2","7","7","1") = "6"
    & skf21("3","2","4","3","3","1","1","1") = "3"
    & skf21("3","2","4","3","3","1","2","1") = "3"
    & skf21("3","2","4","3","3","1","3","1") = "3"
    & skf21("3","2","4","3","3","1","4","1") = "3"
    & skf21("3","2","4","3","3","1","5","1") = "4"
    & skf21("3","2","4","3","3","1","6","1") = "5"
    & skf21("3","2","4","3","3","1","7","1") = "6"
    & skf21("3","2","4","3","3","2","1","1") = "3"
    & skf21("3","2","4","3","3","2","2","1") = "3"
    & skf21("3","2","4","3","3","2","3","1") = "3"
    & skf21("3","2","4","3","3","2","4","1") = "3"
    & skf21("3","2","4","3","3","2","5","1") = "4"
    & skf21("3","2","4","3","3","2","6","1") = "5"
    & skf21("3","2","4","3","3","2","7","1") = "6"
    & skf21("3","2","4","3","3","3","1","1") = "3"
    & skf21("3","2","4","3","3","3","2","1") = "3"
    & skf21("3","2","4","3","3","3","3","1") = "3"
    & skf21("3","2","4","3","3","3","4","1") = "3"
    & skf21("3","2","4","3","3","3","5","1") = "4"
    & skf21("3","2","4","3","3","3","6","1") = "5"
    & skf21("3","2","4","3","3","3","7","1") = "6"
    & skf21("3","2","4","3","3","4","1","1") = "3"
    & skf21("3","2","4","3","3","4","2","1") = "3"
    & skf21("3","2","4","3","3","4","3","1") = "3"
    & skf21("3","2","4","3","3","4","4","1") = "3"
    & skf21("3","2","4","3","3","4","5","1") = "4"
    & skf21("3","2","4","3","3","4","6","1") = "5"
    & skf21("3","2","4","3","3","4","7","1") = "6"
    & skf21("3","2","4","3","3","5","1","1") = "4"
    & skf21("3","2","4","3","3","5","2","1") = "4"
    & skf21("3","2","4","3","3","5","3","1") = "4"
    & skf21("3","2","4","3","3","5","4","1") = "4"
    & skf21("3","2","4","3","3","5","5","1") = "4"
    & skf21("3","2","4","3","3","5","6","1") = "5"
    & skf21("3","2","4","3","3","5","7","1") = "6"
    & skf21("3","2","4","3","3","6","1","1") = "5"
    & skf21("3","2","4","3","3","6","2","1") = "5"
    & skf21("3","2","4","3","3","6","3","1") = "5"
    & skf21("3","2","4","3","3","6","4","1") = "5"
    & skf21("3","2","4","3","3","6","5","1") = "5"
    & skf21("3","2","4","3","3","6","6","1") = "5"
    & skf21("3","2","4","3","3","6","7","1") = "6"
    & skf21("3","2","4","3","3","7","1","1") = "6"
    & skf21("3","2","4","3","3","7","2","1") = "6"
    & skf21("3","2","4","3","3","7","3","1") = "6"
    & skf21("3","2","4","3","3","7","4","1") = "6"
    & skf21("3","2","4","3","3","7","5","1") = "6"
    & skf21("3","2","4","3","3","7","6","1") = "6"
    & skf21("3","2","4","3","3","7","7","1") = "6"
    & skf21("3","2","4","3","4","1","1","1") = "3"
    & skf21("3","2","4","3","4","1","2","1") = "3"
    & skf21("3","2","4","3","4","1","3","1") = "3"
    & skf21("3","2","4","3","4","1","4","1") = "3"
    & skf21("3","2","4","3","4","1","5","1") = "4"
    & skf21("3","2","4","3","4","1","6","1") = "5"
    & skf21("3","2","4","3","4","1","7","1") = "6"
    & skf21("3","2","4","3","4","2","1","1") = "3"
    & skf21("3","2","4","3","4","2","2","1") = "3"
    & skf21("3","2","4","3","4","2","3","1") = "3"
    & skf21("3","2","4","3","4","2","4","1") = "3"
    & skf21("3","2","4","3","4","2","5","1") = "4"
    & skf21("3","2","4","3","4","2","6","1") = "5"
    & skf21("3","2","4","3","4","2","7","1") = "6"
    & skf21("3","2","4","3","4","3","1","1") = "3"
    & skf21("3","2","4","3","4","3","2","1") = "3"
    & skf21("3","2","4","3","4","3","3","1") = "3"
    & skf21("3","2","4","3","4","3","4","1") = "3"
    & skf21("3","2","4","3","4","3","5","1") = "4"
    & skf21("3","2","4","3","4","3","6","1") = "5"
    & skf21("3","2","4","3","4","3","7","1") = "6"
    & skf21("3","2","4","3","4","4","1","1") = "3"
    & skf21("3","2","4","3","4","4","2","1") = "3"
    & skf21("3","2","4","3","4","4","3","1") = "3"
    & skf21("3","2","4","3","4","4","4","1") = "3"
    & skf21("3","2","4","3","4","4","5","1") = "4"
    & skf21("3","2","4","3","4","4","6","1") = "5"
    & skf21("3","2","4","3","4","4","7","1") = "6"
    & skf21("3","2","4","3","4","5","1","1") = "4"
    & skf21("3","2","4","3","4","5","2","1") = "4"
    & skf21("3","2","4","3","4","5","3","1") = "4"
    & skf21("3","2","4","3","4","5","4","1") = "4"
    & skf21("3","2","4","3","4","5","5","1") = "4"
    & skf21("3","2","4","3","4","5","6","1") = "5"
    & skf21("3","2","4","3","4","5","7","1") = "6"
    & skf21("3","2","4","3","4","6","1","1") = "5"
    & skf21("3","2","4","3","4","6","2","1") = "5"
    & skf21("3","2","4","3","4","6","3","1") = "5"
    & skf21("3","2","4","3","4","6","4","1") = "5"
    & skf21("3","2","4","3","4","6","5","1") = "5"
    & skf21("3","2","4","3","4","6","6","1") = "5"
    & skf21("3","2","4","3","4","6","7","1") = "6"
    & skf21("3","2","4","3","4","7","1","1") = "6"
    & skf21("3","2","4","3","4","7","2","1") = "6"
    & skf21("3","2","4","3","4","7","3","1") = "6"
    & skf21("3","2","4","3","4","7","4","1") = "6"
    & skf21("3","2","4","3","4","7","5","1") = "6"
    & skf21("3","2","4","3","4","7","6","1") = "6"
    & skf21("3","2","4","3","4","7","7","1") = "6"
    & skf21("3","2","4","3","5","1","1","1") = "4"
    & skf21("3","2","4","3","5","1","2","1") = "4"
    & skf21("3","2","4","3","5","1","3","1") = "4"
    & skf21("3","2","4","3","5","1","4","1") = "4"
    & skf21("3","2","4","3","5","1","5","1") = "4"
    & skf21("3","2","4","3","5","1","6","1") = "5"
    & skf21("3","2","4","3","5","1","7","1") = "6"
    & skf21("3","2","4","3","5","2","1","1") = "4"
    & skf21("3","2","4","3","5","2","2","1") = "4"
    & skf21("3","2","4","3","5","2","3","1") = "4"
    & skf21("3","2","4","3","5","2","4","1") = "4"
    & skf21("3","2","4","3","5","2","5","1") = "4"
    & skf21("3","2","4","3","5","2","6","1") = "5"
    & skf21("3","2","4","3","5","2","7","1") = "6"
    & skf21("3","2","4","3","5","3","1","1") = "4"
    & skf21("3","2","4","3","5","3","2","1") = "4"
    & skf21("3","2","4","3","5","3","3","1") = "4"
    & skf21("3","2","4","3","5","3","4","1") = "4"
    & skf21("3","2","4","3","5","3","5","1") = "4"
    & skf21("3","2","4","3","5","3","6","1") = "5"
    & skf21("3","2","4","3","5","3","7","1") = "6"
    & skf21("3","2","4","3","5","4","1","1") = "4"
    & skf21("3","2","4","3","5","4","2","1") = "4"
    & skf21("3","2","4","3","5","4","3","1") = "4"
    & skf21("3","2","4","3","5","4","4","1") = "4"
    & skf21("3","2","4","3","5","4","5","1") = "4"
    & skf21("3","2","4","3","5","4","6","1") = "5"
    & skf21("3","2","4","3","5","4","7","1") = "6"
    & skf21("3","2","4","3","5","5","1","1") = "4"
    & skf21("3","2","4","3","5","5","2","1") = "4"
    & skf21("3","2","4","3","5","5","3","1") = "4"
    & skf21("3","2","4","3","5","5","4","1") = "4"
    & skf21("3","2","4","3","5","5","5","1") = "4"
    & skf21("3","2","4","3","5","5","6","1") = "5"
    & skf21("3","2","4","3","5","5","7","1") = "6"
    & skf21("3","2","4","3","5","6","1","1") = "5"
    & skf21("3","2","4","3","5","6","2","1") = "5"
    & skf21("3","2","4","3","5","6","3","1") = "5"
    & skf21("3","2","4","3","5","6","4","1") = "5"
    & skf21("3","2","4","3","5","6","5","1") = "5"
    & skf21("3","2","4","3","5","6","6","1") = "5"
    & skf21("3","2","4","3","5","6","7","1") = "6"
    & skf21("3","2","4","3","5","7","1","1") = "6"
    & skf21("3","2","4","3","5","7","2","1") = "6"
    & skf21("3","2","4","3","5","7","3","1") = "6"
    & skf21("3","2","4","3","5","7","4","1") = "6"
    & skf21("3","2","4","3","5","7","5","1") = "6"
    & skf21("3","2","4","3","5","7","6","1") = "6"
    & skf21("3","2","4","3","5","7","7","1") = "6"
    & skf21("3","2","4","3","6","1","1","1") = "5"
    & skf21("3","2","4","3","6","1","2","1") = "5"
    & skf21("3","2","4","3","6","1","3","1") = "5"
    & skf21("3","2","4","3","6","1","4","1") = "5"
    & skf21("3","2","4","3","6","1","5","1") = "5"
    & skf21("3","2","4","3","6","1","6","1") = "5"
    & skf21("3","2","4","3","6","1","7","1") = "6"
    & skf21("3","2","4","3","6","2","1","1") = "5"
    & skf21("3","2","4","3","6","2","2","1") = "5"
    & skf21("3","2","4","3","6","2","3","1") = "5"
    & skf21("3","2","4","3","6","2","4","1") = "5"
    & skf21("3","2","4","3","6","2","5","1") = "5"
    & skf21("3","2","4","3","6","2","6","1") = "5"
    & skf21("3","2","4","3","6","2","7","1") = "6"
    & skf21("3","2","4","3","6","3","1","1") = "5"
    & skf21("3","2","4","3","6","3","2","1") = "5"
    & skf21("3","2","4","3","6","3","3","1") = "5"
    & skf21("3","2","4","3","6","3","4","1") = "5"
    & skf21("3","2","4","3","6","3","5","1") = "5"
    & skf21("3","2","4","3","6","3","6","1") = "5"
    & skf21("3","2","4","3","6","3","7","1") = "6"
    & skf21("3","2","4","3","6","4","1","1") = "5"
    & skf21("3","2","4","3","6","4","2","1") = "5"
    & skf21("3","2","4","3","6","4","3","1") = "5"
    & skf21("3","2","4","3","6","4","4","1") = "5"
    & skf21("3","2","4","3","6","4","5","1") = "5"
    & skf21("3","2","4","3","6","4","6","1") = "5"
    & skf21("3","2","4","3","6","4","7","1") = "6"
    & skf21("3","2","4","3","6","5","1","1") = "5"
    & skf21("3","2","4","3","6","5","2","1") = "5"
    & skf21("3","2","4","3","6","5","3","1") = "5"
    & skf21("3","2","4","3","6","5","4","1") = "5"
    & skf21("3","2","4","3","6","5","5","1") = "5"
    & skf21("3","2","4","3","6","5","6","1") = "5"
    & skf21("3","2","4","3","6","5","7","1") = "6"
    & skf21("3","2","4","3","6","6","1","1") = "5"
    & skf21("3","2","4","3","6","6","2","1") = "5"
    & skf21("3","2","4","3","6","6","3","1") = "5"
    & skf21("3","2","4","3","6","6","4","1") = "5"
    & skf21("3","2","4","3","6","6","5","1") = "5"
    & skf21("3","2","4","3","6","6","6","1") = "5"
    & skf21("3","2","4","3","6","6","7","1") = "6"
    & skf21("3","2","4","3","6","7","1","1") = "6"
    & skf21("3","2","4","3","6","7","2","1") = "6"
    & skf21("3","2","4","3","6","7","3","1") = "6"
    & skf21("3","2","4","3","6","7","4","1") = "6"
    & skf21("3","2","4","3","6","7","5","1") = "6"
    & skf21("3","2","4","3","6","7","6","1") = "6"
    & skf21("3","2","4","3","6","7","7","1") = "6"
    & skf21("3","2","4","3","7","1","1","1") = "6"
    & skf21("3","2","4","3","7","1","2","1") = "6"
    & skf21("3","2","4","3","7","1","3","1") = "6"
    & skf21("3","2","4","3","7","1","4","1") = "6"
    & skf21("3","2","4","3","7","1","5","1") = "6"
    & skf21("3","2","4","3","7","1","6","1") = "6"
    & skf21("3","2","4","3","7","1","7","1") = "6"
    & skf21("3","2","4","3","7","2","1","1") = "6"
    & skf21("3","2","4","3","7","2","2","1") = "6"
    & skf21("3","2","4","3","7","2","3","1") = "6"
    & skf21("3","2","4","3","7","2","4","1") = "6"
    & skf21("3","2","4","3","7","2","5","1") = "6"
    & skf21("3","2","4","3","7","2","6","1") = "6"
    & skf21("3","2","4","3","7","2","7","1") = "6"
    & skf21("3","2","4","3","7","3","1","1") = "6"
    & skf21("3","2","4","3","7","3","2","1") = "6"
    & skf21("3","2","4","3","7","3","3","1") = "6"
    & skf21("3","2","4","3","7","3","4","1") = "6"
    & skf21("3","2","4","3","7","3","5","1") = "6"
    & skf21("3","2","4","3","7","3","6","1") = "6"
    & skf21("3","2","4","3","7","3","7","1") = "6"
    & skf21("3","2","4","3","7","4","1","1") = "6"
    & skf21("3","2","4","3","7","4","2","1") = "6"
    & skf21("3","2","4","3","7","4","3","1") = "6"
    & skf21("3","2","4","3","7","4","4","1") = "6"
    & skf21("3","2","4","3","7","4","5","1") = "6"
    & skf21("3","2","4","3","7","4","6","1") = "6"
    & skf21("3","2","4","3","7","4","7","1") = "6"
    & skf21("3","2","4","3","7","5","1","1") = "6"
    & skf21("3","2","4","3","7","5","2","1") = "6"
    & skf21("3","2","4","3","7","5","3","1") = "6"
    & skf21("3","2","4","3","7","5","4","1") = "6"
    & skf21("3","2","4","3","7","5","5","1") = "6"
    & skf21("3","2","4","3","7","5","6","1") = "6"
    & skf21("3","2","4","3","7","5","7","1") = "6"
    & skf21("3","2","4","3","7","6","1","1") = "6"
    & skf21("3","2","4","3","7","6","2","1") = "6"
    & skf21("3","2","4","3","7","6","3","1") = "6"
    & skf21("3","2","4","3","7","6","4","1") = "6"
    & skf21("3","2","4","3","7","6","5","1") = "6"
    & skf21("3","2","4","3","7","6","6","1") = "6"
    & skf21("3","2","4","3","7","6","7","1") = "6"
    & skf21("3","2","4","3","7","7","1","1") = "6"
    & skf21("3","2","4","3","7","7","2","1") = "6"
    & skf21("3","2","4","3","7","7","3","1") = "6"
    & skf21("3","2","4","3","7","7","4","1") = "6"
    & skf21("3","2","4","3","7","7","5","1") = "6"
    & skf21("3","2","4","3","7","7","6","1") = "6"
    & skf21("3","2","4","3","7","7","7","1") = "6"
    & skf21("3","2","4","4","1","1","1","1") = "3"
    & skf21("3","2","4","4","1","1","2","1") = "3"
    & skf21("3","2","4","4","1","1","3","1") = "3"
    & skf21("3","2","4","4","1","1","4","1") = "3"
    & skf21("3","2","4","4","1","1","5","1") = "4"
    & skf21("3","2","4","4","1","1","6","1") = "5"
    & skf21("3","2","4","4","1","1","7","1") = "6"
    & skf21("3","2","4","4","1","2","1","1") = "3"
    & skf21("3","2","4","4","1","2","2","1") = "3"
    & skf21("3","2","4","4","1","2","3","1") = "3"
    & skf21("3","2","4","4","1","2","4","1") = "3"
    & skf21("3","2","4","4","1","2","5","1") = "4"
    & skf21("3","2","4","4","1","2","6","1") = "5"
    & skf21("3","2","4","4","1","2","7","1") = "6"
    & skf21("3","2","4","4","1","3","1","1") = "3"
    & skf21("3","2","4","4","1","3","2","1") = "3"
    & skf21("3","2","4","4","1","3","3","1") = "3"
    & skf21("3","2","4","4","1","3","4","1") = "3"
    & skf21("3","2","4","4","1","3","5","1") = "4"
    & skf21("3","2","4","4","1","3","6","1") = "5"
    & skf21("3","2","4","4","1","3","7","1") = "6"
    & skf21("3","2","4","4","1","4","1","1") = "3"
    & skf21("3","2","4","4","1","4","2","1") = "3"
    & skf21("3","2","4","4","1","4","3","1") = "3"
    & skf21("3","2","4","4","1","4","4","1") = "3"
    & skf21("3","2","4","4","1","4","5","1") = "4"
    & skf21("3","2","4","4","1","4","6","1") = "5"
    & skf21("3","2","4","4","1","4","7","1") = "6"
    & skf21("3","2","4","4","1","5","1","1") = "4"
    & skf21("3","2","4","4","1","5","2","1") = "4"
    & skf21("3","2","4","4","1","5","3","1") = "4"
    & skf21("3","2","4","4","1","5","4","1") = "4"
    & skf21("3","2","4","4","1","5","5","1") = "4"
    & skf21("3","2","4","4","1","5","6","1") = "5"
    & skf21("3","2","4","4","1","5","7","1") = "6"
    & skf21("3","2","4","4","1","6","1","1") = "5"
    & skf21("3","2","4","4","1","6","2","1") = "5"
    & skf21("3","2","4","4","1","6","3","1") = "5"
    & skf21("3","2","4","4","1","6","4","1") = "5"
    & skf21("3","2","4","4","1","6","5","1") = "5"
    & skf21("3","2","4","4","1","6","6","1") = "5"
    & skf21("3","2","4","4","1","6","7","1") = "6"
    & skf21("3","2","4","4","1","7","1","1") = "6"
    & skf21("3","2","4","4","1","7","2","1") = "6"
    & skf21("3","2","4","4","1","7","3","1") = "6"
    & skf21("3","2","4","4","1","7","4","1") = "6"
    & skf21("3","2","4","4","1","7","5","1") = "6"
    & skf21("3","2","4","4","1","7","6","1") = "6"
    & skf21("3","2","4","4","1","7","7","1") = "6"
    & skf21("3","2","4","4","2","1","1","1") = "3"
    & skf21("3","2","4","4","2","1","2","1") = "3"
    & skf21("3","2","4","4","2","1","3","1") = "3"
    & skf21("3","2","4","4","2","1","4","1") = "3"
    & skf21("3","2","4","4","2","1","5","1") = "4"
    & skf21("3","2","4","4","2","1","6","1") = "5"
    & skf21("3","2","4","4","2","1","7","1") = "6"
    & skf21("3","2","4","4","2","2","1","1") = "3"
    & skf21("3","2","4","4","2","2","2","1") = "3"
    & skf21("3","2","4","4","2","2","3","1") = "3"
    & skf21("3","2","4","4","2","2","4","1") = "3"
    & skf21("3","2","4","4","2","2","5","1") = "4"
    & skf21("3","2","4","4","2","2","6","1") = "5"
    & skf21("3","2","4","4","2","2","7","1") = "6"
    & skf21("3","2","4","4","2","3","1","1") = "3"
    & skf21("3","2","4","4","2","3","2","1") = "3"
    & skf21("3","2","4","4","2","3","3","1") = "3"
    & skf21("3","2","4","4","2","3","4","1") = "3"
    & skf21("3","2","4","4","2","3","5","1") = "4"
    & skf21("3","2","4","4","2","3","6","1") = "5"
    & skf21("3","2","4","4","2","3","7","1") = "6"
    & skf21("3","2","4","4","2","4","1","1") = "3"
    & skf21("3","2","4","4","2","4","2","1") = "3"
    & skf21("3","2","4","4","2","4","3","1") = "3"
    & skf21("3","2","4","4","2","4","4","1") = "3"
    & skf21("3","2","4","4","2","4","5","1") = "4"
    & skf21("3","2","4","4","2","4","6","1") = "5"
    & skf21("3","2","4","4","2","4","7","1") = "6"
    & skf21("3","2","4","4","2","5","1","1") = "4"
    & skf21("3","2","4","4","2","5","2","1") = "4"
    & skf21("3","2","4","4","2","5","3","1") = "4"
    & skf21("3","2","4","4","2","5","4","1") = "4"
    & skf21("3","2","4","4","2","5","5","1") = "4"
    & skf21("3","2","4","4","2","5","6","1") = "5"
    & skf21("3","2","4","4","2","5","7","1") = "6"
    & skf21("3","2","4","4","2","6","1","1") = "5"
    & skf21("3","2","4","4","2","6","2","1") = "5"
    & skf21("3","2","4","4","2","6","3","1") = "5"
    & skf21("3","2","4","4","2","6","4","1") = "5"
    & skf21("3","2","4","4","2","6","5","1") = "5"
    & skf21("3","2","4","4","2","6","6","1") = "5"
    & skf21("3","2","4","4","2","6","7","1") = "6"
    & skf21("3","2","4","4","2","7","1","1") = "6"
    & skf21("3","2","4","4","2","7","2","1") = "6"
    & skf21("3","2","4","4","2","7","3","1") = "6"
    & skf21("3","2","4","4","2","7","4","1") = "6"
    & skf21("3","2","4","4","2","7","5","1") = "6"
    & skf21("3","2","4","4","2","7","6","1") = "6"
    & skf21("3","2","4","4","2","7","7","1") = "6"
    & skf21("3","2","4","4","3","1","1","1") = "3"
    & skf21("3","2","4","4","3","1","2","1") = "3"
    & skf21("3","2","4","4","3","1","3","1") = "3"
    & skf21("3","2","4","4","3","1","4","1") = "3"
    & skf21("3","2","4","4","3","1","5","1") = "4"
    & skf21("3","2","4","4","3","1","6","1") = "5"
    & skf21("3","2","4","4","3","1","7","1") = "6"
    & skf21("3","2","4","4","3","2","1","1") = "3"
    & skf21("3","2","4","4","3","2","2","1") = "3"
    & skf21("3","2","4","4","3","2","3","1") = "3"
    & skf21("3","2","4","4","3","2","4","1") = "3"
    & skf21("3","2","4","4","3","2","5","1") = "4"
    & skf21("3","2","4","4","3","2","6","1") = "5"
    & skf21("3","2","4","4","3","2","7","1") = "6"
    & skf21("3","2","4","4","3","3","1","1") = "3"
    & skf21("3","2","4","4","3","3","2","1") = "3"
    & skf21("3","2","4","4","3","3","3","1") = "3"
    & skf21("3","2","4","4","3","3","4","1") = "3"
    & skf21("3","2","4","4","3","3","5","1") = "4"
    & skf21("3","2","4","4","3","3","6","1") = "5"
    & skf21("3","2","4","4","3","3","7","1") = "6"
    & skf21("3","2","4","4","3","4","1","1") = "3"
    & skf21("3","2","4","4","3","4","2","1") = "3"
    & skf21("3","2","4","4","3","4","3","1") = "3"
    & skf21("3","2","4","4","3","4","4","1") = "3"
    & skf21("3","2","4","4","3","4","5","1") = "4"
    & skf21("3","2","4","4","3","4","6","1") = "5"
    & skf21("3","2","4","4","3","4","7","1") = "6"
    & skf21("3","2","4","4","3","5","1","1") = "4"
    & skf21("3","2","4","4","3","5","2","1") = "4"
    & skf21("3","2","4","4","3","5","3","1") = "4"
    & skf21("3","2","4","4","3","5","4","1") = "4"
    & skf21("3","2","4","4","3","5","5","1") = "4"
    & skf21("3","2","4","4","3","5","6","1") = "5"
    & skf21("3","2","4","4","3","5","7","1") = "6"
    & skf21("3","2","4","4","3","6","1","1") = "5"
    & skf21("3","2","4","4","3","6","2","1") = "5"
    & skf21("3","2","4","4","3","6","3","1") = "5"
    & skf21("3","2","4","4","3","6","4","1") = "5"
    & skf21("3","2","4","4","3","6","5","1") = "5"
    & skf21("3","2","4","4","3","6","6","1") = "5"
    & skf21("3","2","4","4","3","6","7","1") = "6"
    & skf21("3","2","4","4","3","7","1","1") = "6"
    & skf21("3","2","4","4","3","7","2","1") = "6"
    & skf21("3","2","4","4","3","7","3","1") = "6"
    & skf21("3","2","4","4","3","7","4","1") = "6"
    & skf21("3","2","4","4","3","7","5","1") = "6"
    & skf21("3","2","4","4","3","7","6","1") = "6"
    & skf21("3","2","4","4","3","7","7","1") = "6"
    & skf21("3","2","4","4","4","1","1","1") = "3"
    & skf21("3","2","4","4","4","1","2","1") = "3"
    & skf21("3","2","4","4","4","1","3","1") = "3"
    & skf21("3","2","4","4","4","1","4","1") = "3"
    & skf21("3","2","4","4","4","1","5","1") = "4"
    & skf21("3","2","4","4","4","1","6","1") = "5"
    & skf21("3","2","4","4","4","1","7","1") = "6"
    & skf21("3","2","4","4","4","2","1","1") = "3"
    & skf21("3","2","4","4","4","2","2","1") = "3"
    & skf21("3","2","4","4","4","2","3","1") = "3"
    & skf21("3","2","4","4","4","2","4","1") = "3"
    & skf21("3","2","4","4","4","2","5","1") = "4"
    & skf21("3","2","4","4","4","2","6","1") = "5"
    & skf21("3","2","4","4","4","2","7","1") = "6"
    & skf21("3","2","4","4","4","3","1","1") = "3"
    & skf21("3","2","4","4","4","3","2","1") = "3"
    & skf21("3","2","4","4","4","3","3","1") = "3"
    & skf21("3","2","4","4","4","3","4","1") = "3"
    & skf21("3","2","4","4","4","3","5","1") = "4"
    & skf21("3","2","4","4","4","3","6","1") = "5"
    & skf21("3","2","4","4","4","3","7","1") = "6"
    & skf21("3","2","4","4","4","4","1","1") = "3"
    & skf21("3","2","4","4","4","4","2","1") = "3"
    & skf21("3","2","4","4","4","4","3","1") = "3"
    & skf21("3","2","4","4","4","4","4","1") = "3"
    & skf21("3","2","4","4","4","4","5","1") = "4"
    & skf21("3","2","4","4","4","4","6","1") = "5"
    & skf21("3","2","4","4","4","4","7","1") = "6"
    & skf21("3","2","4","4","4","5","1","1") = "4"
    & skf21("3","2","4","4","4","5","2","1") = "4"
    & skf21("3","2","4","4","4","5","3","1") = "4"
    & skf21("3","2","4","4","4","5","4","1") = "4"
    & skf21("3","2","4","4","4","5","5","1") = "4"
    & skf21("3","2","4","4","4","5","6","1") = "5"
    & skf21("3","2","4","4","4","5","7","1") = "6"
    & skf21("3","2","4","4","4","6","1","1") = "5"
    & skf21("3","2","4","4","4","6","2","1") = "5"
    & skf21("3","2","4","4","4","6","3","1") = "5"
    & skf21("3","2","4","4","4","6","4","1") = "5"
    & skf21("3","2","4","4","4","6","5","1") = "5"
    & skf21("3","2","4","4","4","6","6","1") = "5"
    & skf21("3","2","4","4","4","6","7","1") = "6"
    & skf21("3","2","4","4","4","7","1","1") = "6"
    & skf21("3","2","4","4","4","7","2","1") = "6"
    & skf21("3","2","4","4","4","7","3","1") = "6"
    & skf21("3","2","4","4","4","7","4","1") = "6"
    & skf21("3","2","4","4","4","7","5","1") = "6"
    & skf21("3","2","4","4","4","7","6","1") = "6"
    & skf21("3","2","4","4","4","7","7","1") = "6"
    & skf21("3","2","4","4","5","1","1","1") = "4"
    & skf21("3","2","4","4","5","1","2","1") = "4"
    & skf21("3","2","4","4","5","1","3","1") = "4"
    & skf21("3","2","4","4","5","1","4","1") = "4"
    & skf21("3","2","4","4","5","1","5","1") = "4"
    & skf21("3","2","4","4","5","1","6","1") = "5"
    & skf21("3","2","4","4","5","1","7","1") = "6"
    & skf21("3","2","4","4","5","2","1","1") = "4"
    & skf21("3","2","4","4","5","2","2","1") = "4"
    & skf21("3","2","4","4","5","2","3","1") = "4"
    & skf21("3","2","4","4","5","2","4","1") = "4"
    & skf21("3","2","4","4","5","2","5","1") = "4"
    & skf21("3","2","4","4","5","2","6","1") = "5"
    & skf21("3","2","4","4","5","2","7","1") = "6"
    & skf21("3","2","4","4","5","3","1","1") = "4"
    & skf21("3","2","4","4","5","3","2","1") = "4"
    & skf21("3","2","4","4","5","3","3","1") = "4"
    & skf21("3","2","4","4","5","3","4","1") = "4"
    & skf21("3","2","4","4","5","3","5","1") = "4"
    & skf21("3","2","4","4","5","3","6","1") = "5"
    & skf21("3","2","4","4","5","3","7","1") = "6"
    & skf21("3","2","4","4","5","4","1","1") = "4"
    & skf21("3","2","4","4","5","4","2","1") = "4"
    & skf21("3","2","4","4","5","4","3","1") = "4"
    & skf21("3","2","4","4","5","4","4","1") = "4"
    & skf21("3","2","4","4","5","4","5","1") = "4"
    & skf21("3","2","4","4","5","4","6","1") = "5"
    & skf21("3","2","4","4","5","4","7","1") = "6"
    & skf21("3","2","4","4","5","5","1","1") = "4"
    & skf21("3","2","4","4","5","5","2","1") = "4"
    & skf21("3","2","4","4","5","5","3","1") = "4"
    & skf21("3","2","4","4","5","5","4","1") = "4"
    & skf21("3","2","4","4","5","5","5","1") = "4"
    & skf21("3","2","4","4","5","5","6","1") = "5"
    & skf21("3","2","4","4","5","5","7","1") = "6"
    & skf21("3","2","4","4","5","6","1","1") = "5"
    & skf21("3","2","4","4","5","6","2","1") = "5"
    & skf21("3","2","4","4","5","6","3","1") = "5"
    & skf21("3","2","4","4","5","6","4","1") = "5"
    & skf21("3","2","4","4","5","6","5","1") = "5"
    & skf21("3","2","4","4","5","6","6","1") = "5"
    & skf21("3","2","4","4","5","6","7","1") = "6"
    & skf21("3","2","4","4","5","7","1","1") = "6"
    & skf21("3","2","4","4","5","7","2","1") = "6"
    & skf21("3","2","4","4","5","7","3","1") = "6"
    & skf21("3","2","4","4","5","7","4","1") = "6"
    & skf21("3","2","4","4","5","7","5","1") = "6"
    & skf21("3","2","4","4","5","7","6","1") = "6"
    & skf21("3","2","4","4","5","7","7","1") = "6"
    & skf21("3","2","4","4","6","1","1","1") = "5"
    & skf21("3","2","4","4","6","1","2","1") = "5"
    & skf21("3","2","4","4","6","1","3","1") = "5"
    & skf21("3","2","4","4","6","1","4","1") = "5"
    & skf21("3","2","4","4","6","1","5","1") = "5"
    & skf21("3","2","4","4","6","1","6","1") = "5"
    & skf21("3","2","4","4","6","1","7","1") = "6"
    & skf21("3","2","4","4","6","2","1","1") = "5"
    & skf21("3","2","4","4","6","2","2","1") = "5"
    & skf21("3","2","4","4","6","2","3","1") = "5"
    & skf21("3","2","4","4","6","2","4","1") = "5"
    & skf21("3","2","4","4","6","2","5","1") = "5"
    & skf21("3","2","4","4","6","2","6","1") = "5"
    & skf21("3","2","4","4","6","2","7","1") = "6"
    & skf21("3","2","4","4","6","3","1","1") = "5"
    & skf21("3","2","4","4","6","3","2","1") = "5"
    & skf21("3","2","4","4","6","3","3","1") = "5"
    & skf21("3","2","4","4","6","3","4","1") = "5"
    & skf21("3","2","4","4","6","3","5","1") = "5"
    & skf21("3","2","4","4","6","3","6","1") = "5"
    & skf21("3","2","4","4","6","3","7","1") = "6"
    & skf21("3","2","4","4","6","4","1","1") = "5"
    & skf21("3","2","4","4","6","4","2","1") = "5"
    & skf21("3","2","4","4","6","4","3","1") = "5"
    & skf21("3","2","4","4","6","4","4","1") = "5"
    & skf21("3","2","4","4","6","4","5","1") = "5"
    & skf21("3","2","4","4","6","4","6","1") = "5"
    & skf21("3","2","4","4","6","4","7","1") = "6"
    & skf21("3","2","4","4","6","5","1","1") = "5"
    & skf21("3","2","4","4","6","5","2","1") = "5"
    & skf21("3","2","4","4","6","5","3","1") = "5"
    & skf21("3","2","4","4","6","5","4","1") = "5"
    & skf21("3","2","4","4","6","5","5","1") = "5"
    & skf21("3","2","4","4","6","5","6","1") = "5"
    & skf21("3","2","4","4","6","5","7","1") = "6"
    & skf21("3","2","4","4","6","6","1","1") = "5"
    & skf21("3","2","4","4","6","6","2","1") = "5"
    & skf21("3","2","4","4","6","6","3","1") = "5"
    & skf21("3","2","4","4","6","6","4","1") = "5"
    & skf21("3","2","4","4","6","6","5","1") = "5"
    & skf21("3","2","4","4","6","6","6","1") = "5"
    & skf21("3","2","4","4","6","6","7","1") = "6"
    & skf21("3","2","4","4","6","7","1","1") = "6"
    & skf21("3","2","4","4","6","7","2","1") = "6"
    & skf21("3","2","4","4","6","7","3","1") = "6"
    & skf21("3","2","4","4","6","7","4","1") = "6"
    & skf21("3","2","4","4","6","7","5","1") = "6"
    & skf21("3","2","4","4","6","7","6","1") = "6"
    & skf21("3","2","4","4","6","7","7","1") = "6"
    & skf21("3","2","4","4","7","1","1","1") = "6"
    & skf21("3","2","4","4","7","1","2","1") = "6"
    & skf21("3","2","4","4","7","1","3","1") = "6"
    & skf21("3","2","4","4","7","1","4","1") = "6"
    & skf21("3","2","4","4","7","1","5","1") = "6"
    & skf21("3","2","4","4","7","1","6","1") = "6"
    & skf21("3","2","4","4","7","1","7","1") = "6"
    & skf21("3","2","4","4","7","2","1","1") = "6"
    & skf21("3","2","4","4","7","2","2","1") = "6"
    & skf21("3","2","4","4","7","2","3","1") = "6"
    & skf21("3","2","4","4","7","2","4","1") = "6"
    & skf21("3","2","4","4","7","2","5","1") = "6"
    & skf21("3","2","4","4","7","2","6","1") = "6"
    & skf21("3","2","4","4","7","2","7","1") = "6"
    & skf21("3","2","4","4","7","3","1","1") = "6"
    & skf21("3","2","4","4","7","3","2","1") = "6"
    & skf21("3","2","4","4","7","3","3","1") = "6"
    & skf21("3","2","4","4","7","3","4","1") = "6"
    & skf21("3","2","4","4","7","3","5","1") = "6"
    & skf21("3","2","4","4","7","3","6","1") = "6"
    & skf21("3","2","4","4","7","3","7","1") = "6"
    & skf21("3","2","4","4","7","4","1","1") = "6"
    & skf21("3","2","4","4","7","4","2","1") = "6"
    & skf21("3","2","4","4","7","4","3","1") = "6"
    & skf21("3","2","4","4","7","4","4","1") = "6"
    & skf21("3","2","4","4","7","4","5","1") = "6"
    & skf21("3","2","4","4","7","4","6","1") = "6"
    & skf21("3","2","4","4","7","4","7","1") = "6"
    & skf21("3","2","4","4","7","5","1","1") = "6"
    & skf21("3","2","4","4","7","5","2","1") = "6"
    & skf21("3","2","4","4","7","5","3","1") = "6"
    & skf21("3","2","4","4","7","5","4","1") = "6"
    & skf21("3","2","4","4","7","5","5","1") = "6"
    & skf21("3","2","4","4","7","5","6","1") = "6"
    & skf21("3","2","4","4","7","5","7","1") = "6"
    & skf21("3","2","4","4","7","6","1","1") = "6"
    & skf21("3","2","4","4","7","6","2","1") = "6"
    & skf21("3","2","4","4","7","6","3","1") = "6"
    & skf21("3","2","4","4","7","6","4","1") = "6"
    & skf21("3","2","4","4","7","6","5","1") = "6"
    & skf21("3","2","4","4","7","6","6","1") = "6"
    & skf21("3","2","4","4","7","6","7","1") = "6"
    & skf21("3","2","4","4","7","7","1","1") = "6"
    & skf21("3","2","4","4","7","7","2","1") = "6"
    & skf21("3","2","4","4","7","7","3","1") = "6"
    & skf21("3","2","4","4","7","7","4","1") = "6"
    & skf21("3","2","4","4","7","7","5","1") = "6"
    & skf21("3","2","4","4","7","7","6","1") = "6"
    & skf21("3","2","4","4","7","7","7","1") = "6"
    & skf21("3","2","4","5","1","1","1","1") = "4"
    & skf21("3","2","4","5","1","1","2","1") = "4"
    & skf21("3","2","4","5","1","1","3","1") = "4"
    & skf21("3","2","4","5","1","1","4","1") = "4"
    & skf21("3","2","4","5","1","1","5","1") = "4"
    & skf21("3","2","4","5","1","1","6","1") = "5"
    & skf21("3","2","4","5","1","1","7","1") = "6"
    & skf21("3","2","4","5","1","2","1","1") = "4"
    & skf21("3","2","4","5","1","2","2","1") = "4"
    & skf21("3","2","4","5","1","2","3","1") = "4"
    & skf21("3","2","4","5","1","2","4","1") = "4"
    & skf21("3","2","4","5","1","2","5","1") = "4"
    & skf21("3","2","4","5","1","2","6","1") = "5"
    & skf21("3","2","4","5","1","2","7","1") = "6"
    & skf21("3","2","4","5","1","3","1","1") = "4"
    & skf21("3","2","4","5","1","3","2","1") = "4"
    & skf21("3","2","4","5","1","3","3","1") = "4"
    & skf21("3","2","4","5","1","3","4","1") = "4"
    & skf21("3","2","4","5","1","3","5","1") = "4"
    & skf21("3","2","4","5","1","3","6","1") = "5"
    & skf21("3","2","4","5","1","3","7","1") = "6"
    & skf21("3","2","4","5","1","4","1","1") = "4"
    & skf21("3","2","4","5","1","4","2","1") = "4"
    & skf21("3","2","4","5","1","4","3","1") = "4"
    & skf21("3","2","4","5","1","4","4","1") = "4"
    & skf21("3","2","4","5","1","4","5","1") = "4"
    & skf21("3","2","4","5","1","4","6","1") = "5"
    & skf21("3","2","4","5","1","4","7","1") = "6"
    & skf21("3","2","4","5","1","5","1","1") = "4"
    & skf21("3","2","4","5","1","5","2","1") = "4"
    & skf21("3","2","4","5","1","5","3","1") = "4"
    & skf21("3","2","4","5","1","5","4","1") = "4"
    & skf21("3","2","4","5","1","5","5","1") = "4"
    & skf21("3","2","4","5","1","5","6","1") = "5"
    & skf21("3","2","4","5","1","5","7","1") = "6"
    & skf21("3","2","4","5","1","6","1","1") = "5"
    & skf21("3","2","4","5","1","6","2","1") = "5"
    & skf21("3","2","4","5","1","6","3","1") = "5"
    & skf21("3","2","4","5","1","6","4","1") = "5"
    & skf21("3","2","4","5","1","6","5","1") = "5"
    & skf21("3","2","4","5","1","6","6","1") = "5"
    & skf21("3","2","4","5","1","6","7","1") = "6"
    & skf21("3","2","4","5","1","7","1","1") = "6"
    & skf21("3","2","4","5","1","7","2","1") = "6"
    & skf21("3","2","4","5","1","7","3","1") = "6"
    & skf21("3","2","4","5","1","7","4","1") = "6"
    & skf21("3","2","4","5","1","7","5","1") = "6"
    & skf21("3","2","4","5","1","7","6","1") = "6"
    & skf21("3","2","4","5","1","7","7","1") = "6"
    & skf21("3","2","4","5","2","1","1","1") = "4"
    & skf21("3","2","4","5","2","1","2","1") = "4"
    & skf21("3","2","4","5","2","1","3","1") = "4"
    & skf21("3","2","4","5","2","1","4","1") = "4"
    & skf21("3","2","4","5","2","1","5","1") = "4"
    & skf21("3","2","4","5","2","1","6","1") = "5"
    & skf21("3","2","4","5","2","1","7","1") = "6"
    & skf21("3","2","4","5","2","2","1","1") = "4"
    & skf21("3","2","4","5","2","2","2","1") = "4"
    & skf21("3","2","4","5","2","2","3","1") = "4"
    & skf21("3","2","4","5","2","2","4","1") = "4"
    & skf21("3","2","4","5","2","2","5","1") = "4"
    & skf21("3","2","4","5","2","2","6","1") = "5"
    & skf21("3","2","4","5","2","2","7","1") = "6"
    & skf21("3","2","4","5","2","3","1","1") = "4"
    & skf21("3","2","4","5","2","3","2","1") = "4"
    & skf21("3","2","4","5","2","3","3","1") = "4"
    & skf21("3","2","4","5","2","3","4","1") = "4"
    & skf21("3","2","4","5","2","3","5","1") = "4"
    & skf21("3","2","4","5","2","3","6","1") = "5"
    & skf21("3","2","4","5","2","3","7","1") = "6"
    & skf21("3","2","4","5","2","4","1","1") = "4"
    & skf21("3","2","4","5","2","4","2","1") = "4"
    & skf21("3","2","4","5","2","4","3","1") = "4"
    & skf21("3","2","4","5","2","4","4","1") = "4"
    & skf21("3","2","4","5","2","4","5","1") = "4"
    & skf21("3","2","4","5","2","4","6","1") = "5"
    & skf21("3","2","4","5","2","4","7","1") = "6"
    & skf21("3","2","4","5","2","5","1","1") = "4"
    & skf21("3","2","4","5","2","5","2","1") = "4"
    & skf21("3","2","4","5","2","5","3","1") = "4"
    & skf21("3","2","4","5","2","5","4","1") = "4"
    & skf21("3","2","4","5","2","5","5","1") = "4"
    & skf21("3","2","4","5","2","5","6","1") = "5"
    & skf21("3","2","4","5","2","5","7","1") = "6"
    & skf21("3","2","4","5","2","6","1","1") = "5"
    & skf21("3","2","4","5","2","6","2","1") = "5"
    & skf21("3","2","4","5","2","6","3","1") = "5"
    & skf21("3","2","4","5","2","6","4","1") = "5"
    & skf21("3","2","4","5","2","6","5","1") = "5"
    & skf21("3","2","4","5","2","6","6","1") = "5"
    & skf21("3","2","4","5","2","6","7","1") = "6"
    & skf21("3","2","4","5","2","7","1","1") = "6"
    & skf21("3","2","4","5","2","7","2","1") = "6"
    & skf21("3","2","4","5","2","7","3","1") = "6"
    & skf21("3","2","4","5","2","7","4","1") = "6"
    & skf21("3","2","4","5","2","7","5","1") = "6"
    & skf21("3","2","4","5","2","7","6","1") = "6"
    & skf21("3","2","4","5","2","7","7","1") = "6"
    & skf21("3","2","4","5","3","1","1","1") = "4"
    & skf21("3","2","4","5","3","1","2","1") = "4"
    & skf21("3","2","4","5","3","1","3","1") = "4"
    & skf21("3","2","4","5","3","1","4","1") = "4"
    & skf21("3","2","4","5","3","1","5","1") = "4"
    & skf21("3","2","4","5","3","1","6","1") = "5"
    & skf21("3","2","4","5","3","1","7","1") = "6"
    & skf21("3","2","4","5","3","2","1","1") = "4"
    & skf21("3","2","4","5","3","2","2","1") = "4"
    & skf21("3","2","4","5","3","2","3","1") = "4"
    & skf21("3","2","4","5","3","2","4","1") = "4"
    & skf21("3","2","4","5","3","2","5","1") = "4"
    & skf21("3","2","4","5","3","2","6","1") = "5"
    & skf21("3","2","4","5","3","2","7","1") = "6"
    & skf21("3","2","4","5","3","3","1","1") = "4"
    & skf21("3","2","4","5","3","3","2","1") = "4"
    & skf21("3","2","4","5","3","3","3","1") = "4"
    & skf21("3","2","4","5","3","3","4","1") = "4"
    & skf21("3","2","4","5","3","3","5","1") = "4"
    & skf21("3","2","4","5","3","3","6","1") = "5"
    & skf21("3","2","4","5","3","3","7","1") = "6"
    & skf21("3","2","4","5","3","4","1","1") = "4"
    & skf21("3","2","4","5","3","4","2","1") = "4"
    & skf21("3","2","4","5","3","4","3","1") = "4"
    & skf21("3","2","4","5","3","4","4","1") = "4"
    & skf21("3","2","4","5","3","4","5","1") = "4"
    & skf21("3","2","4","5","3","4","6","1") = "5"
    & skf21("3","2","4","5","3","4","7","1") = "6"
    & skf21("3","2","4","5","3","5","1","1") = "4"
    & skf21("3","2","4","5","3","5","2","1") = "4"
    & skf21("3","2","4","5","3","5","3","1") = "4"
    & skf21("3","2","4","5","3","5","4","1") = "4"
    & skf21("3","2","4","5","3","5","5","1") = "4"
    & skf21("3","2","4","5","3","5","6","1") = "5"
    & skf21("3","2","4","5","3","5","7","1") = "6"
    & skf21("3","2","4","5","3","6","1","1") = "5"
    & skf21("3","2","4","5","3","6","2","1") = "5"
    & skf21("3","2","4","5","3","6","3","1") = "5"
    & skf21("3","2","4","5","3","6","4","1") = "5"
    & skf21("3","2","4","5","3","6","5","1") = "5"
    & skf21("3","2","4","5","3","6","6","1") = "5"
    & skf21("3","2","4","5","3","6","7","1") = "6"
    & skf21("3","2","4","5","3","7","1","1") = "6"
    & skf21("3","2","4","5","3","7","2","1") = "6"
    & skf21("3","2","4","5","3","7","3","1") = "6"
    & skf21("3","2","4","5","3","7","4","1") = "6"
    & skf21("3","2","4","5","3","7","5","1") = "6"
    & skf21("3","2","4","5","3","7","6","1") = "6"
    & skf21("3","2","4","5","3","7","7","1") = "6"
    & skf21("3","2","4","5","4","1","1","1") = "4"
    & skf21("3","2","4","5","4","1","2","1") = "4"
    & skf21("3","2","4","5","4","1","3","1") = "4"
    & skf21("3","2","4","5","4","1","4","1") = "4"
    & skf21("3","2","4","5","4","1","5","1") = "4"
    & skf21("3","2","4","5","4","1","6","1") = "5"
    & skf21("3","2","4","5","4","1","7","1") = "6"
    & skf21("3","2","4","5","4","2","1","1") = "4"
    & skf21("3","2","4","5","4","2","2","1") = "4"
    & skf21("3","2","4","5","4","2","3","1") = "4"
    & skf21("3","2","4","5","4","2","4","1") = "4"
    & skf21("3","2","4","5","4","2","5","1") = "4"
    & skf21("3","2","4","5","4","2","6","1") = "5"
    & skf21("3","2","4","5","4","2","7","1") = "6"
    & skf21("3","2","4","5","4","3","1","1") = "4"
    & skf21("3","2","4","5","4","3","2","1") = "4"
    & skf21("3","2","4","5","4","3","3","1") = "4"
    & skf21("3","2","4","5","4","3","4","1") = "4"
    & skf21("3","2","4","5","4","3","5","1") = "4"
    & skf21("3","2","4","5","4","3","6","1") = "5"
    & skf21("3","2","4","5","4","3","7","1") = "6"
    & skf21("3","2","4","5","4","4","1","1") = "4"
    & skf21("3","2","4","5","4","4","2","1") = "4"
    & skf21("3","2","4","5","4","4","3","1") = "4"
    & skf21("3","2","4","5","4","4","4","1") = "4"
    & skf21("3","2","4","5","4","4","5","1") = "4"
    & skf21("3","2","4","5","4","4","6","1") = "5"
    & skf21("3","2","4","5","4","4","7","1") = "6"
    & skf21("3","2","4","5","4","5","1","1") = "4"
    & skf21("3","2","4","5","4","5","2","1") = "4"
    & skf21("3","2","4","5","4","5","3","1") = "4"
    & skf21("3","2","4","5","4","5","4","1") = "4"
    & skf21("3","2","4","5","4","5","5","1") = "4"
    & skf21("3","2","4","5","4","5","6","1") = "5"
    & skf21("3","2","4","5","4","5","7","1") = "6"
    & skf21("3","2","4","5","4","6","1","1") = "5"
    & skf21("3","2","4","5","4","6","2","1") = "5"
    & skf21("3","2","4","5","4","6","3","1") = "5"
    & skf21("3","2","4","5","4","6","4","1") = "5"
    & skf21("3","2","4","5","4","6","5","1") = "5"
    & skf21("3","2","4","5","4","6","6","1") = "5"
    & skf21("3","2","4","5","4","6","7","1") = "6"
    & skf21("3","2","4","5","4","7","1","1") = "6"
    & skf21("3","2","4","5","4","7","2","1") = "6"
    & skf21("3","2","4","5","4","7","3","1") = "6"
    & skf21("3","2","4","5","4","7","4","1") = "6"
    & skf21("3","2","4","5","4","7","5","1") = "6"
    & skf21("3","2","4","5","4","7","6","1") = "6"
    & skf21("3","2","4","5","4","7","7","1") = "6"
    & skf21("3","2","4","5","5","1","1","1") = "4"
    & skf21("3","2","4","5","5","1","2","1") = "4"
    & skf21("3","2","4","5","5","1","3","1") = "4"
    & skf21("3","2","4","5","5","1","4","1") = "4"
    & skf21("3","2","4","5","5","1","5","1") = "4"
    & skf21("3","2","4","5","5","1","6","1") = "5"
    & skf21("3","2","4","5","5","1","7","1") = "6"
    & skf21("3","2","4","5","5","2","1","1") = "4"
    & skf21("3","2","4","5","5","2","2","1") = "4"
    & skf21("3","2","4","5","5","2","3","1") = "4"
    & skf21("3","2","4","5","5","2","4","1") = "4"
    & skf21("3","2","4","5","5","2","5","1") = "4"
    & skf21("3","2","4","5","5","2","6","1") = "5"
    & skf21("3","2","4","5","5","2","7","1") = "6"
    & skf21("3","2","4","5","5","3","1","1") = "4"
    & skf21("3","2","4","5","5","3","2","1") = "4"
    & skf21("3","2","4","5","5","3","3","1") = "4"
    & skf21("3","2","4","5","5","3","4","1") = "4"
    & skf21("3","2","4","5","5","3","5","1") = "4"
    & skf21("3","2","4","5","5","3","6","1") = "5"
    & skf21("3","2","4","5","5","3","7","1") = "6"
    & skf21("3","2","4","5","5","4","1","1") = "4"
    & skf21("3","2","4","5","5","4","2","1") = "4"
    & skf21("3","2","4","5","5","4","3","1") = "4"
    & skf21("3","2","4","5","5","4","4","1") = "4"
    & skf21("3","2","4","5","5","4","5","1") = "4"
    & skf21("3","2","4","5","5","4","6","1") = "5"
    & skf21("3","2","4","5","5","4","7","1") = "6"
    & skf21("3","2","4","5","5","5","1","1") = "4"
    & skf21("3","2","4","5","5","5","2","1") = "4"
    & skf21("3","2","4","5","5","5","3","1") = "4"
    & skf21("3","2","4","5","5","5","4","1") = "4"
    & skf21("3","2","4","5","5","5","5","1") = "4"
    & skf21("3","2","4","5","5","5","6","1") = "5"
    & skf21("3","2","4","5","5","5","7","1") = "6"
    & skf21("3","2","4","5","5","6","1","1") = "5"
    & skf21("3","2","4","5","5","6","2","1") = "5"
    & skf21("3","2","4","5","5","6","3","1") = "5"
    & skf21("3","2","4","5","5","6","4","1") = "5"
    & skf21("3","2","4","5","5","6","5","1") = "5"
    & skf21("3","2","4","5","5","6","6","1") = "5"
    & skf21("3","2","4","5","5","6","7","1") = "6"
    & skf21("3","2","4","5","5","7","1","1") = "6"
    & skf21("3","2","4","5","5","7","2","1") = "6"
    & skf21("3","2","4","5","5","7","3","1") = "6"
    & skf21("3","2","4","5","5","7","4","1") = "6"
    & skf21("3","2","4","5","5","7","5","1") = "6"
    & skf21("3","2","4","5","5","7","6","1") = "6"
    & skf21("3","2","4","5","5","7","7","1") = "6"
    & skf21("3","2","4","5","6","1","1","1") = "5"
    & skf21("3","2","4","5","6","1","2","1") = "5"
    & skf21("3","2","4","5","6","1","3","1") = "5"
    & skf21("3","2","4","5","6","1","4","1") = "5"
    & skf21("3","2","4","5","6","1","5","1") = "5"
    & skf21("3","2","4","5","6","1","6","1") = "5"
    & skf21("3","2","4","5","6","1","7","1") = "6"
    & skf21("3","2","4","5","6","2","1","1") = "5"
    & skf21("3","2","4","5","6","2","2","1") = "5"
    & skf21("3","2","4","5","6","2","3","1") = "5"
    & skf21("3","2","4","5","6","2","4","1") = "5"
    & skf21("3","2","4","5","6","2","5","1") = "5"
    & skf21("3","2","4","5","6","2","6","1") = "5"
    & skf21("3","2","4","5","6","2","7","1") = "6"
    & skf21("3","2","4","5","6","3","1","1") = "5"
    & skf21("3","2","4","5","6","3","2","1") = "5"
    & skf21("3","2","4","5","6","3","3","1") = "5"
    & skf21("3","2","4","5","6","3","4","1") = "5"
    & skf21("3","2","4","5","6","3","5","1") = "5"
    & skf21("3","2","4","5","6","3","6","1") = "5"
    & skf21("3","2","4","5","6","3","7","1") = "6"
    & skf21("3","2","4","5","6","4","1","1") = "5"
    & skf21("3","2","4","5","6","4","2","1") = "5"
    & skf21("3","2","4","5","6","4","3","1") = "5"
    & skf21("3","2","4","5","6","4","4","1") = "5"
    & skf21("3","2","4","5","6","4","5","1") = "5"
    & skf21("3","2","4","5","6","4","6","1") = "5"
    & skf21("3","2","4","5","6","4","7","1") = "6"
    & skf21("3","2","4","5","6","5","1","1") = "5"
    & skf21("3","2","4","5","6","5","2","1") = "5"
    & skf21("3","2","4","5","6","5","3","1") = "5"
    & skf21("3","2","4","5","6","5","4","1") = "5"
    & skf21("3","2","4","5","6","5","5","1") = "5"
    & skf21("3","2","4","5","6","5","6","1") = "5"
    & skf21("3","2","4","5","6","5","7","1") = "6"
    & skf21("3","2","4","5","6","6","1","1") = "5"
    & skf21("3","2","4","5","6","6","2","1") = "5"
    & skf21("3","2","4","5","6","6","3","1") = "5"
    & skf21("3","2","4","5","6","6","4","1") = "5"
    & skf21("3","2","4","5","6","6","5","1") = "5"
    & skf21("3","2","4","5","6","6","6","1") = "5"
    & skf21("3","2","4","5","6","6","7","1") = "6"
    & skf21("3","2","4","5","6","7","1","1") = "6"
    & skf21("3","2","4","5","6","7","2","1") = "6"
    & skf21("3","2","4","5","6","7","3","1") = "6"
    & skf21("3","2","4","5","6","7","4","1") = "6"
    & skf21("3","2","4","5","6","7","5","1") = "6"
    & skf21("3","2","4","5","6","7","6","1") = "6"
    & skf21("3","2","4","5","6","7","7","1") = "6"
    & skf21("3","2","4","5","7","1","1","1") = "6"
    & skf21("3","2","4","5","7","1","2","1") = "6"
    & skf21("3","2","4","5","7","1","3","1") = "6"
    & skf21("3","2","4","5","7","1","4","1") = "6"
    & skf21("3","2","4","5","7","1","5","1") = "6"
    & skf21("3","2","4","5","7","1","6","1") = "6"
    & skf21("3","2","4","5","7","1","7","1") = "6"
    & skf21("3","2","4","5","7","2","1","1") = "6"
    & skf21("3","2","4","5","7","2","2","1") = "6"
    & skf21("3","2","4","5","7","2","3","1") = "6"
    & skf21("3","2","4","5","7","2","4","1") = "6"
    & skf21("3","2","4","5","7","2","5","1") = "6"
    & skf21("3","2","4","5","7","2","6","1") = "6"
    & skf21("3","2","4","5","7","2","7","1") = "6"
    & skf21("3","2","4","5","7","3","1","1") = "6"
    & skf21("3","2","4","5","7","3","2","1") = "6"
    & skf21("3","2","4","5","7","3","3","1") = "6"
    & skf21("3","2","4","5","7","3","4","1") = "6"
    & skf21("3","2","4","5","7","3","5","1") = "6"
    & skf21("3","2","4","5","7","3","6","1") = "6"
    & skf21("3","2","4","5","7","3","7","1") = "6"
    & skf21("3","2","4","5","7","4","1","1") = "6"
    & skf21("3","2","4","5","7","4","2","1") = "6"
    & skf21("3","2","4","5","7","4","3","1") = "6"
    & skf21("3","2","4","5","7","4","4","1") = "6"
    & skf21("3","2","4","5","7","4","5","1") = "6"
    & skf21("3","2","4","5","7","4","6","1") = "6"
    & skf21("3","2","4","5","7","4","7","1") = "6"
    & skf21("3","2","4","5","7","5","1","1") = "6"
    & skf21("3","2","4","5","7","5","2","1") = "6"
    & skf21("3","2","4","5","7","5","3","1") = "6"
    & skf21("3","2","4","5","7","5","4","1") = "6"
    & skf21("3","2","4","5","7","5","5","1") = "6"
    & skf21("3","2","4","5","7","5","6","1") = "6"
    & skf21("3","2","4","5","7","5","7","1") = "6"
    & skf21("3","2","4","5","7","6","1","1") = "6"
    & skf21("3","2","4","5","7","6","2","1") = "6"
    & skf21("3","2","4","5","7","6","3","1") = "6"
    & skf21("3","2","4","5","7","6","4","1") = "6"
    & skf21("3","2","4","5","7","6","5","1") = "6"
    & skf21("3","2","4","5","7","6","6","1") = "6"
    & skf21("3","2","4","5","7","6","7","1") = "6"
    & skf21("3","2","4","5","7","7","1","1") = "6"
    & skf21("3","2","4","5","7","7","2","1") = "6"
    & skf21("3","2","4","5","7","7","3","1") = "6"
    & skf21("3","2","4","5","7","7","4","1") = "6"
    & skf21("3","2","4","5","7","7","5","1") = "6"
    & skf21("3","2","4","5","7","7","6","1") = "6"
    & skf21("3","2","4","5","7","7","7","1") = "6"
    & skf21("3","2","4","6","1","1","1","1") = "5"
    & skf21("3","2","4","6","1","1","2","1") = "5"
    & skf21("3","2","4","6","1","1","3","1") = "5"
    & skf21("3","2","4","6","1","1","4","1") = "5"
    & skf21("3","2","4","6","1","1","5","1") = "5"
    & skf21("3","2","4","6","1","1","6","1") = "5"
    & skf21("3","2","4","6","1","1","7","1") = "6"
    & skf21("3","2","4","6","1","2","1","1") = "5"
    & skf21("3","2","4","6","1","2","2","1") = "5"
    & skf21("3","2","4","6","1","2","3","1") = "5"
    & skf21("3","2","4","6","1","2","4","1") = "5"
    & skf21("3","2","4","6","1","2","5","1") = "5"
    & skf21("3","2","4","6","1","2","6","1") = "5"
    & skf21("3","2","4","6","1","2","7","1") = "6"
    & skf21("3","2","4","6","1","3","1","1") = "5"
    & skf21("3","2","4","6","1","3","2","1") = "5"
    & skf21("3","2","4","6","1","3","3","1") = "5"
    & skf21("3","2","4","6","1","3","4","1") = "5"
    & skf21("3","2","4","6","1","3","5","1") = "5"
    & skf21("3","2","4","6","1","3","6","1") = "5"
    & skf21("3","2","4","6","1","3","7","1") = "6"
    & skf21("3","2","4","6","1","4","1","1") = "5"
    & skf21("3","2","4","6","1","4","2","1") = "5"
    & skf21("3","2","4","6","1","4","3","1") = "5"
    & skf21("3","2","4","6","1","4","4","1") = "5"
    & skf21("3","2","4","6","1","4","5","1") = "5"
    & skf21("3","2","4","6","1","4","6","1") = "5"
    & skf21("3","2","4","6","1","4","7","1") = "6"
    & skf21("3","2","4","6","1","5","1","1") = "5"
    & skf21("3","2","4","6","1","5","2","1") = "5"
    & skf21("3","2","4","6","1","5","3","1") = "5"
    & skf21("3","2","4","6","1","5","4","1") = "5"
    & skf21("3","2","4","6","1","5","5","1") = "5"
    & skf21("3","2","4","6","1","5","6","1") = "5"
    & skf21("3","2","4","6","1","5","7","1") = "6"
    & skf21("3","2","4","6","1","6","1","1") = "5"
    & skf21("3","2","4","6","1","6","2","1") = "5"
    & skf21("3","2","4","6","1","6","3","1") = "5"
    & skf21("3","2","4","6","1","6","4","1") = "5"
    & skf21("3","2","4","6","1","6","5","1") = "5"
    & skf21("3","2","4","6","1","6","6","1") = "5"
    & skf21("3","2","4","6","1","6","7","1") = "6"
    & skf21("3","2","4","6","1","7","1","1") = "6"
    & skf21("3","2","4","6","1","7","2","1") = "6"
    & skf21("3","2","4","6","1","7","3","1") = "6"
    & skf21("3","2","4","6","1","7","4","1") = "6"
    & skf21("3","2","4","6","1","7","5","1") = "6"
    & skf21("3","2","4","6","1","7","6","1") = "6"
    & skf21("3","2","4","6","1","7","7","1") = "6"
    & skf21("3","2","4","6","2","1","1","1") = "5"
    & skf21("3","2","4","6","2","1","2","1") = "5"
    & skf21("3","2","4","6","2","1","3","1") = "5"
    & skf21("3","2","4","6","2","1","4","1") = "5"
    & skf21("3","2","4","6","2","1","5","1") = "5"
    & skf21("3","2","4","6","2","1","6","1") = "5"
    & skf21("3","2","4","6","2","1","7","1") = "6"
    & skf21("3","2","4","6","2","2","1","1") = "5"
    & skf21("3","2","4","6","2","2","2","1") = "5"
    & skf21("3","2","4","6","2","2","3","1") = "5"
    & skf21("3","2","4","6","2","2","4","1") = "5"
    & skf21("3","2","4","6","2","2","5","1") = "5"
    & skf21("3","2","4","6","2","2","6","1") = "5"
    & skf21("3","2","4","6","2","2","7","1") = "6"
    & skf21("3","2","4","6","2","3","1","1") = "5"
    & skf21("3","2","4","6","2","3","2","1") = "5"
    & skf21("3","2","4","6","2","3","3","1") = "5"
    & skf21("3","2","4","6","2","3","4","1") = "5"
    & skf21("3","2","4","6","2","3","5","1") = "5"
    & skf21("3","2","4","6","2","3","6","1") = "5"
    & skf21("3","2","4","6","2","3","7","1") = "6"
    & skf21("3","2","4","6","2","4","1","1") = "5"
    & skf21("3","2","4","6","2","4","2","1") = "5"
    & skf21("3","2","4","6","2","4","3","1") = "5"
    & skf21("3","2","4","6","2","4","4","1") = "5"
    & skf21("3","2","4","6","2","4","5","1") = "5"
    & skf21("3","2","4","6","2","4","6","1") = "5"
    & skf21("3","2","4","6","2","4","7","1") = "6"
    & skf21("3","2","4","6","2","5","1","1") = "5"
    & skf21("3","2","4","6","2","5","2","1") = "5"
    & skf21("3","2","4","6","2","5","3","1") = "5"
    & skf21("3","2","4","6","2","5","4","1") = "5"
    & skf21("3","2","4","6","2","5","5","1") = "5"
    & skf21("3","2","4","6","2","5","6","1") = "5"
    & skf21("3","2","4","6","2","5","7","1") = "6"
    & skf21("3","2","4","6","2","6","1","1") = "5"
    & skf21("3","2","4","6","2","6","2","1") = "5"
    & skf21("3","2","4","6","2","6","3","1") = "5"
    & skf21("3","2","4","6","2","6","4","1") = "5"
    & skf21("3","2","4","6","2","6","5","1") = "5"
    & skf21("3","2","4","6","2","6","6","1") = "5"
    & skf21("3","2","4","6","2","6","7","1") = "6"
    & skf21("3","2","4","6","2","7","1","1") = "6"
    & skf21("3","2","4","6","2","7","2","1") = "6"
    & skf21("3","2","4","6","2","7","3","1") = "6"
    & skf21("3","2","4","6","2","7","4","1") = "6"
    & skf21("3","2","4","6","2","7","5","1") = "6"
    & skf21("3","2","4","6","2","7","6","1") = "6"
    & skf21("3","2","4","6","2","7","7","1") = "6"
    & skf21("3","2","4","6","3","1","1","1") = "5"
    & skf21("3","2","4","6","3","1","2","1") = "5"
    & skf21("3","2","4","6","3","1","3","1") = "5"
    & skf21("3","2","4","6","3","1","4","1") = "5"
    & skf21("3","2","4","6","3","1","5","1") = "5"
    & skf21("3","2","4","6","3","1","6","1") = "5"
    & skf21("3","2","4","6","3","1","7","1") = "6"
    & skf21("3","2","4","6","3","2","1","1") = "5"
    & skf21("3","2","4","6","3","2","2","1") = "5"
    & skf21("3","2","4","6","3","2","3","1") = "5"
    & skf21("3","2","4","6","3","2","4","1") = "5"
    & skf21("3","2","4","6","3","2","5","1") = "5"
    & skf21("3","2","4","6","3","2","6","1") = "5"
    & skf21("3","2","4","6","3","2","7","1") = "6"
    & skf21("3","2","4","6","3","3","1","1") = "5"
    & skf21("3","2","4","6","3","3","2","1") = "5"
    & skf21("3","2","4","6","3","3","3","1") = "5"
    & skf21("3","2","4","6","3","3","4","1") = "5"
    & skf21("3","2","4","6","3","3","5","1") = "5"
    & skf21("3","2","4","6","3","3","6","1") = "5"
    & skf21("3","2","4","6","3","3","7","1") = "6"
    & skf21("3","2","4","6","3","4","1","1") = "5"
    & skf21("3","2","4","6","3","4","2","1") = "5"
    & skf21("3","2","4","6","3","4","3","1") = "5"
    & skf21("3","2","4","6","3","4","4","1") = "5"
    & skf21("3","2","4","6","3","4","5","1") = "5"
    & skf21("3","2","4","6","3","4","6","1") = "5"
    & skf21("3","2","4","6","3","4","7","1") = "6"
    & skf21("3","2","4","6","3","5","1","1") = "5"
    & skf21("3","2","4","6","3","5","2","1") = "5"
    & skf21("3","2","4","6","3","5","3","1") = "5"
    & skf21("3","2","4","6","3","5","4","1") = "5"
    & skf21("3","2","4","6","3","5","5","1") = "5"
    & skf21("3","2","4","6","3","5","6","1") = "5"
    & skf21("3","2","4","6","3","5","7","1") = "6"
    & skf21("3","2","4","6","3","6","1","1") = "5"
    & skf21("3","2","4","6","3","6","2","1") = "5"
    & skf21("3","2","4","6","3","6","3","1") = "5"
    & skf21("3","2","4","6","3","6","4","1") = "5"
    & skf21("3","2","4","6","3","6","5","1") = "5"
    & skf21("3","2","4","6","3","6","6","1") = "5"
    & skf21("3","2","4","6","3","6","7","1") = "6"
    & skf21("3","2","4","6","3","7","1","1") = "6"
    & skf21("3","2","4","6","3","7","2","1") = "6"
    & skf21("3","2","4","6","3","7","3","1") = "6"
    & skf21("3","2","4","6","3","7","4","1") = "6"
    & skf21("3","2","4","6","3","7","5","1") = "6"
    & skf21("3","2","4","6","3","7","6","1") = "6"
    & skf21("3","2","4","6","3","7","7","1") = "6"
    & skf21("3","2","4","6","4","1","1","1") = "5"
    & skf21("3","2","4","6","4","1","2","1") = "5"
    & skf21("3","2","4","6","4","1","3","1") = "5"
    & skf21("3","2","4","6","4","1","4","1") = "5"
    & skf21("3","2","4","6","4","1","5","1") = "5"
    & skf21("3","2","4","6","4","1","6","1") = "5"
    & skf21("3","2","4","6","4","1","7","1") = "6"
    & skf21("3","2","4","6","4","2","1","1") = "5"
    & skf21("3","2","4","6","4","2","2","1") = "5"
    & skf21("3","2","4","6","4","2","3","1") = "5"
    & skf21("3","2","4","6","4","2","4","1") = "5"
    & skf21("3","2","4","6","4","2","5","1") = "5"
    & skf21("3","2","4","6","4","2","6","1") = "5"
    & skf21("3","2","4","6","4","2","7","1") = "6"
    & skf21("3","2","4","6","4","3","1","1") = "5"
    & skf21("3","2","4","6","4","3","2","1") = "5"
    & skf21("3","2","4","6","4","3","3","1") = "5"
    & skf21("3","2","4","6","4","3","4","1") = "5"
    & skf21("3","2","4","6","4","3","5","1") = "5"
    & skf21("3","2","4","6","4","3","6","1") = "5"
    & skf21("3","2","4","6","4","3","7","1") = "6"
    & skf21("3","2","4","6","4","4","1","1") = "5"
    & skf21("3","2","4","6","4","4","2","1") = "5"
    & skf21("3","2","4","6","4","4","3","1") = "5"
    & skf21("3","2","4","6","4","4","4","1") = "5"
    & skf21("3","2","4","6","4","4","5","1") = "5"
    & skf21("3","2","4","6","4","4","6","1") = "5"
    & skf21("3","2","4","6","4","4","7","1") = "6"
    & skf21("3","2","4","6","4","5","1","1") = "5"
    & skf21("3","2","4","6","4","5","2","1") = "5"
    & skf21("3","2","4","6","4","5","3","1") = "5"
    & skf21("3","2","4","6","4","5","4","1") = "5"
    & skf21("3","2","4","6","4","5","5","1") = "5"
    & skf21("3","2","4","6","4","5","6","1") = "5"
    & skf21("3","2","4","6","4","5","7","1") = "6"
    & skf21("3","2","4","6","4","6","1","1") = "5"
    & skf21("3","2","4","6","4","6","2","1") = "5"
    & skf21("3","2","4","6","4","6","3","1") = "5"
    & skf21("3","2","4","6","4","6","4","1") = "5"
    & skf21("3","2","4","6","4","6","5","1") = "5"
    & skf21("3","2","4","6","4","6","6","1") = "5"
    & skf21("3","2","4","6","4","6","7","1") = "6"
    & skf21("3","2","4","6","4","7","1","1") = "6"
    & skf21("3","2","4","6","4","7","2","1") = "6"
    & skf21("3","2","4","6","4","7","3","1") = "6"
    & skf21("3","2","4","6","4","7","4","1") = "6"
    & skf21("3","2","4","6","4","7","5","1") = "6"
    & skf21("3","2","4","6","4","7","6","1") = "6"
    & skf21("3","2","4","6","4","7","7","1") = "6"
    & skf21("3","2","4","6","5","1","1","1") = "5"
    & skf21("3","2","4","6","5","1","2","1") = "5"
    & skf21("3","2","4","6","5","1","3","1") = "5"
    & skf21("3","2","4","6","5","1","4","1") = "5"
    & skf21("3","2","4","6","5","1","5","1") = "5"
    & skf21("3","2","4","6","5","1","6","1") = "5"
    & skf21("3","2","4","6","5","1","7","1") = "6"
    & skf21("3","2","4","6","5","2","1","1") = "5"
    & skf21("3","2","4","6","5","2","2","1") = "5"
    & skf21("3","2","4","6","5","2","3","1") = "5"
    & skf21("3","2","4","6","5","2","4","1") = "5"
    & skf21("3","2","4","6","5","2","5","1") = "5"
    & skf21("3","2","4","6","5","2","6","1") = "5"
    & skf21("3","2","4","6","5","2","7","1") = "6"
    & skf21("3","2","4","6","5","3","1","1") = "5"
    & skf21("3","2","4","6","5","3","2","1") = "5"
    & skf21("3","2","4","6","5","3","3","1") = "5"
    & skf21("3","2","4","6","5","3","4","1") = "5"
    & skf21("3","2","4","6","5","3","5","1") = "5"
    & skf21("3","2","4","6","5","3","6","1") = "5"
    & skf21("3","2","4","6","5","3","7","1") = "6"
    & skf21("3","2","4","6","5","4","1","1") = "5"
    & skf21("3","2","4","6","5","4","2","1") = "5"
    & skf21("3","2","4","6","5","4","3","1") = "5"
    & skf21("3","2","4","6","5","4","4","1") = "5"
    & skf21("3","2","4","6","5","4","5","1") = "5"
    & skf21("3","2","4","6","5","4","6","1") = "5"
    & skf21("3","2","4","6","5","4","7","1") = "6"
    & skf21("3","2","4","6","5","5","1","1") = "5"
    & skf21("3","2","4","6","5","5","2","1") = "5"
    & skf21("3","2","4","6","5","5","3","1") = "5"
    & skf21("3","2","4","6","5","5","4","1") = "5"
    & skf21("3","2","4","6","5","5","5","1") = "5"
    & skf21("3","2","4","6","5","5","6","1") = "5"
    & skf21("3","2","4","6","5","5","7","1") = "6"
    & skf21("3","2","4","6","5","6","1","1") = "5"
    & skf21("3","2","4","6","5","6","2","1") = "5"
    & skf21("3","2","4","6","5","6","3","1") = "5"
    & skf21("3","2","4","6","5","6","4","1") = "5"
    & skf21("3","2","4","6","5","6","5","1") = "5"
    & skf21("3","2","4","6","5","6","6","1") = "5"
    & skf21("3","2","4","6","5","6","7","1") = "6"
    & skf21("3","2","4","6","5","7","1","1") = "6"
    & skf21("3","2","4","6","5","7","2","1") = "6"
    & skf21("3","2","4","6","5","7","3","1") = "6"
    & skf21("3","2","4","6","5","7","4","1") = "6"
    & skf21("3","2","4","6","5","7","5","1") = "6"
    & skf21("3","2","4","6","5","7","6","1") = "6"
    & skf21("3","2","4","6","5","7","7","1") = "6"
    & skf21("3","2","4","6","6","1","1","1") = "5"
    & skf21("3","2","4","6","6","1","2","1") = "5"
    & skf21("3","2","4","6","6","1","3","1") = "5"
    & skf21("3","2","4","6","6","1","4","1") = "5"
    & skf21("3","2","4","6","6","1","5","1") = "5"
    & skf21("3","2","4","6","6","1","6","1") = "5"
    & skf21("3","2","4","6","6","1","7","1") = "6"
    & skf21("3","2","4","6","6","2","1","1") = "5"
    & skf21("3","2","4","6","6","2","2","1") = "5"
    & skf21("3","2","4","6","6","2","3","1") = "5"
    & skf21("3","2","4","6","6","2","4","1") = "5"
    & skf21("3","2","4","6","6","2","5","1") = "5"
    & skf21("3","2","4","6","6","2","6","1") = "5"
    & skf21("3","2","4","6","6","2","7","1") = "6"
    & skf21("3","2","4","6","6","3","1","1") = "5"
    & skf21("3","2","4","6","6","3","2","1") = "5"
    & skf21("3","2","4","6","6","3","3","1") = "5"
    & skf21("3","2","4","6","6","3","4","1") = "5"
    & skf21("3","2","4","6","6","3","5","1") = "5"
    & skf21("3","2","4","6","6","3","6","1") = "5"
    & skf21("3","2","4","6","6","3","7","1") = "6"
    & skf21("3","2","4","6","6","4","1","1") = "5"
    & skf21("3","2","4","6","6","4","2","1") = "5"
    & skf21("3","2","4","6","6","4","3","1") = "5"
    & skf21("3","2","4","6","6","4","4","1") = "5"
    & skf21("3","2","4","6","6","4","5","1") = "5"
    & skf21("3","2","4","6","6","4","6","1") = "5"
    & skf21("3","2","4","6","6","4","7","1") = "6"
    & skf21("3","2","4","6","6","5","1","1") = "5"
    & skf21("3","2","4","6","6","5","2","1") = "5"
    & skf21("3","2","4","6","6","5","3","1") = "5"
    & skf21("3","2","4","6","6","5","4","1") = "5"
    & skf21("3","2","4","6","6","5","5","1") = "5"
    & skf21("3","2","4","6","6","5","6","1") = "5"
    & skf21("3","2","4","6","6","5","7","1") = "6"
    & skf21("3","2","4","6","6","6","1","1") = "5"
    & skf21("3","2","4","6","6","6","2","1") = "5"
    & skf21("3","2","4","6","6","6","3","1") = "5"
    & skf21("3","2","4","6","6","6","4","1") = "5"
    & skf21("3","2","4","6","6","6","5","1") = "5"
    & skf21("3","2","4","6","6","6","6","1") = "5"
    & skf21("3","2","4","6","6","6","7","1") = "6"
    & skf21("3","2","4","6","6","7","1","1") = "6"
    & skf21("3","2","4","6","6","7","2","1") = "6"
    & skf21("3","2","4","6","6","7","3","1") = "6"
    & skf21("3","2","4","6","6","7","4","1") = "6"
    & skf21("3","2","4","6","6","7","5","1") = "6"
    & skf21("3","2","4","6","6","7","6","1") = "6"
    & skf21("3","2","4","6","6","7","7","1") = "6"
    & skf21("3","2","4","6","7","1","1","1") = "6"
    & skf21("3","2","4","6","7","1","2","1") = "6"
    & skf21("3","2","4","6","7","1","3","1") = "6"
    & skf21("3","2","4","6","7","1","4","1") = "6"
    & skf21("3","2","4","6","7","1","5","1") = "6"
    & skf21("3","2","4","6","7","1","6","1") = "6"
    & skf21("3","2","4","6","7","1","7","1") = "6"
    & skf21("3","2","4","6","7","2","1","1") = "6"
    & skf21("3","2","4","6","7","2","2","1") = "6"
    & skf21("3","2","4","6","7","2","3","1") = "6"
    & skf21("3","2","4","6","7","2","4","1") = "6"
    & skf21("3","2","4","6","7","2","5","1") = "6"
    & skf21("3","2","4","6","7","2","6","1") = "6"
    & skf21("3","2","4","6","7","2","7","1") = "6"
    & skf21("3","2","4","6","7","3","1","1") = "6"
    & skf21("3","2","4","6","7","3","2","1") = "6"
    & skf21("3","2","4","6","7","3","3","1") = "6"
    & skf21("3","2","4","6","7","3","4","1") = "6"
    & skf21("3","2","4","6","7","3","5","1") = "6"
    & skf21("3","2","4","6","7","3","6","1") = "6"
    & skf21("3","2","4","6","7","3","7","1") = "6"
    & skf21("3","2","4","6","7","4","1","1") = "6"
    & skf21("3","2","4","6","7","4","2","1") = "6"
    & skf21("3","2","4","6","7","4","3","1") = "6"
    & skf21("3","2","4","6","7","4","4","1") = "6"
    & skf21("3","2","4","6","7","4","5","1") = "6"
    & skf21("3","2","4","6","7","4","6","1") = "6"
    & skf21("3","2","4","6","7","4","7","1") = "6"
    & skf21("3","2","4","6","7","5","1","1") = "6"
    & skf21("3","2","4","6","7","5","2","1") = "6"
    & skf21("3","2","4","6","7","5","3","1") = "6"
    & skf21("3","2","4","6","7","5","4","1") = "6"
    & skf21("3","2","4","6","7","5","5","1") = "6"
    & skf21("3","2","4","6","7","5","6","1") = "6"
    & skf21("3","2","4","6","7","5","7","1") = "6"
    & skf21("3","2","4","6","7","6","1","1") = "6"
    & skf21("3","2","4","6","7","6","2","1") = "6"
    & skf21("3","2","4","6","7","6","3","1") = "6"
    & skf21("3","2","4","6","7","6","4","1") = "6"
    & skf21("3","2","4","6","7","6","5","1") = "6"
    & skf21("3","2","4","6","7","6","6","1") = "6"
    & skf21("3","2","4","6","7","6","7","1") = "6"
    & skf21("3","2","4","6","7","7","1","1") = "6"
    & skf21("3","2","4","6","7","7","2","1") = "6"
    & skf21("3","2","4","6","7","7","3","1") = "6"
    & skf21("3","2","4","6","7","7","4","1") = "6"
    & skf21("3","2","4","6","7","7","5","1") = "6"
    & skf21("3","2","4","6","7","7","6","1") = "6"
    & skf21("3","2","4","6","7","7","7","1") = "6"
    & skf21("3","2","4","7","1","1","1","1") = "6"
    & skf21("3","2","4","7","1","1","2","1") = "6"
    & skf21("3","2","4","7","1","1","3","1") = "6"
    & skf21("3","2","4","7","1","1","4","1") = "6"
    & skf21("3","2","4","7","1","1","5","1") = "6"
    & skf21("3","2","4","7","1","1","6","1") = "6"
    & skf21("3","2","4","7","1","1","7","1") = "6"
    & skf21("3","2","4","7","1","2","1","1") = "6"
    & skf21("3","2","4","7","1","2","2","1") = "6"
    & skf21("3","2","4","7","1","2","3","1") = "6"
    & skf21("3","2","4","7","1","2","4","1") = "6"
    & skf21("3","2","4","7","1","2","5","1") = "6"
    & skf21("3","2","4","7","1","2","6","1") = "6"
    & skf21("3","2","4","7","1","2","7","1") = "6"
    & skf21("3","2","4","7","1","3","1","1") = "6"
    & skf21("3","2","4","7","1","3","2","1") = "6"
    & skf21("3","2","4","7","1","3","3","1") = "6"
    & skf21("3","2","4","7","1","3","4","1") = "6"
    & skf21("3","2","4","7","1","3","5","1") = "6"
    & skf21("3","2","4","7","1","3","6","1") = "6"
    & skf21("3","2","4","7","1","3","7","1") = "6"
    & skf21("3","2","4","7","1","4","1","1") = "6"
    & skf21("3","2","4","7","1","4","2","1") = "6"
    & skf21("3","2","4","7","1","4","3","1") = "6"
    & skf21("3","2","4","7","1","4","4","1") = "6"
    & skf21("3","2","4","7","1","4","5","1") = "6"
    & skf21("3","2","4","7","1","4","6","1") = "6"
    & skf21("3","2","4","7","1","4","7","1") = "6"
    & skf21("3","2","4","7","1","5","1","1") = "6"
    & skf21("3","2","4","7","1","5","2","1") = "6"
    & skf21("3","2","4","7","1","5","3","1") = "6"
    & skf21("3","2","4","7","1","5","4","1") = "6"
    & skf21("3","2","4","7","1","5","5","1") = "6"
    & skf21("3","2","4","7","1","5","6","1") = "6"
    & skf21("3","2","4","7","1","5","7","1") = "6"
    & skf21("3","2","4","7","1","6","1","1") = "6"
    & skf21("3","2","4","7","1","6","2","1") = "6"
    & skf21("3","2","4","7","1","6","3","1") = "6"
    & skf21("3","2","4","7","1","6","4","1") = "6"
    & skf21("3","2","4","7","1","6","5","1") = "6"
    & skf21("3","2","4","7","1","6","6","1") = "6"
    & skf21("3","2","4","7","1","6","7","1") = "6"
    & skf21("3","2","4","7","1","7","1","1") = "6"
    & skf21("3","2","4","7","1","7","2","1") = "6"
    & skf21("3","2","4","7","1","7","3","1") = "6"
    & skf21("3","2","4","7","1","7","4","1") = "6"
    & skf21("3","2","4","7","1","7","5","1") = "6"
    & skf21("3","2","4","7","1","7","6","1") = "6"
    & skf21("3","2","4","7","1","7","7","1") = "6"
    & skf21("3","2","4","7","2","1","1","1") = "6"
    & skf21("3","2","4","7","2","1","2","1") = "6"
    & skf21("3","2","4","7","2","1","3","1") = "6"
    & skf21("3","2","4","7","2","1","4","1") = "6"
    & skf21("3","2","4","7","2","1","5","1") = "6"
    & skf21("3","2","4","7","2","1","6","1") = "6"
    & skf21("3","2","4","7","2","1","7","1") = "6"
    & skf21("3","2","4","7","2","2","1","1") = "6"
    & skf21("3","2","4","7","2","2","2","1") = "6"
    & skf21("3","2","4","7","2","2","3","1") = "6"
    & skf21("3","2","4","7","2","2","4","1") = "6"
    & skf21("3","2","4","7","2","2","5","1") = "6"
    & skf21("3","2","4","7","2","2","6","1") = "6"
    & skf21("3","2","4","7","2","2","7","1") = "6"
    & skf21("3","2","4","7","2","3","1","1") = "6"
    & skf21("3","2","4","7","2","3","2","1") = "6"
    & skf21("3","2","4","7","2","3","3","1") = "6"
    & skf21("3","2","4","7","2","3","4","1") = "6"
    & skf21("3","2","4","7","2","3","5","1") = "6"
    & skf21("3","2","4","7","2","3","6","1") = "6"
    & skf21("3","2","4","7","2","3","7","1") = "6"
    & skf21("3","2","4","7","2","4","1","1") = "6"
    & skf21("3","2","4","7","2","4","2","1") = "6"
    & skf21("3","2","4","7","2","4","3","1") = "6"
    & skf21("3","2","4","7","2","4","4","1") = "6"
    & skf21("3","2","4","7","2","4","5","1") = "6"
    & skf21("3","2","4","7","2","4","6","1") = "6"
    & skf21("3","2","4","7","2","4","7","1") = "6"
    & skf21("3","2","4","7","2","5","1","1") = "6"
    & skf21("3","2","4","7","2","5","2","1") = "6"
    & skf21("3","2","4","7","2","5","3","1") = "6"
    & skf21("3","2","4","7","2","5","4","1") = "6"
    & skf21("3","2","4","7","2","5","5","1") = "6"
    & skf21("3","2","4","7","2","5","6","1") = "6"
    & skf21("3","2","4","7","2","5","7","1") = "6"
    & skf21("3","2","4","7","2","6","1","1") = "6"
    & skf21("3","2","4","7","2","6","2","1") = "6"
    & skf21("3","2","4","7","2","6","3","1") = "6"
    & skf21("3","2","4","7","2","6","4","1") = "6"
    & skf21("3","2","4","7","2","6","5","1") = "6"
    & skf21("3","2","4","7","2","6","6","1") = "6"
    & skf21("3","2","4","7","2","6","7","1") = "6"
    & skf21("3","2","4","7","2","7","1","1") = "6"
    & skf21("3","2","4","7","2","7","2","1") = "6"
    & skf21("3","2","4","7","2","7","3","1") = "6"
    & skf21("3","2","4","7","2","7","4","1") = "6"
    & skf21("3","2","4","7","2","7","5","1") = "6"
    & skf21("3","2","4","7","2","7","6","1") = "6"
    & skf21("3","2","4","7","2","7","7","1") = "6"
    & skf21("3","2","4","7","3","1","1","1") = "6"
    & skf21("3","2","4","7","3","1","2","1") = "6"
    & skf21("3","2","4","7","3","1","3","1") = "6"
    & skf21("3","2","4","7","3","1","4","1") = "6"
    & skf21("3","2","4","7","3","1","5","1") = "6"
    & skf21("3","2","4","7","3","1","6","1") = "6"
    & skf21("3","2","4","7","3","1","7","1") = "6"
    & skf21("3","2","4","7","3","2","1","1") = "6"
    & skf21("3","2","4","7","3","2","2","1") = "6"
    & skf21("3","2","4","7","3","2","3","1") = "6"
    & skf21("3","2","4","7","3","2","4","1") = "6"
    & skf21("3","2","4","7","3","2","5","1") = "6"
    & skf21("3","2","4","7","3","2","6","1") = "6"
    & skf21("3","2","4","7","3","2","7","1") = "6"
    & skf21("3","2","4","7","3","3","1","1") = "6"
    & skf21("3","2","4","7","3","3","2","1") = "6"
    & skf21("3","2","4","7","3","3","3","1") = "6"
    & skf21("3","2","4","7","3","3","4","1") = "6"
    & skf21("3","2","4","7","3","3","5","1") = "6"
    & skf21("3","2","4","7","3","3","6","1") = "6"
    & skf21("3","2","4","7","3","3","7","1") = "6"
    & skf21("3","2","4","7","3","4","1","1") = "6"
    & skf21("3","2","4","7","3","4","2","1") = "6"
    & skf21("3","2","4","7","3","4","3","1") = "6"
    & skf21("3","2","4","7","3","4","4","1") = "6"
    & skf21("3","2","4","7","3","4","5","1") = "6"
    & skf21("3","2","4","7","3","4","6","1") = "6"
    & skf21("3","2","4","7","3","4","7","1") = "6"
    & skf21("3","2","4","7","3","5","1","1") = "6"
    & skf21("3","2","4","7","3","5","2","1") = "6"
    & skf21("3","2","4","7","3","5","3","1") = "6"
    & skf21("3","2","4","7","3","5","4","1") = "6"
    & skf21("3","2","4","7","3","5","5","1") = "6"
    & skf21("3","2","4","7","3","5","6","1") = "6"
    & skf21("3","2","4","7","3","5","7","1") = "6"
    & skf21("3","2","4","7","3","6","1","1") = "6"
    & skf21("3","2","4","7","3","6","2","1") = "6"
    & skf21("3","2","4","7","3","6","3","1") = "6"
    & skf21("3","2","4","7","3","6","4","1") = "6"
    & skf21("3","2","4","7","3","6","5","1") = "6"
    & skf21("3","2","4","7","3","6","6","1") = "6"
    & skf21("3","2","4","7","3","6","7","1") = "6"
    & skf21("3","2","4","7","3","7","1","1") = "6"
    & skf21("3","2","4","7","3","7","2","1") = "6"
    & skf21("3","2","4","7","3","7","3","1") = "6"
    & skf21("3","2","4","7","3","7","4","1") = "6"
    & skf21("3","2","4","7","3","7","5","1") = "6"
    & skf21("3","2","4","7","3","7","6","1") = "6"
    & skf21("3","2","4","7","3","7","7","1") = "6"
    & skf21("3","2","4","7","4","1","1","1") = "6"
    & skf21("3","2","4","7","4","1","2","1") = "6"
    & skf21("3","2","4","7","4","1","3","1") = "6"
    & skf21("3","2","4","7","4","1","4","1") = "6"
    & skf21("3","2","4","7","4","1","5","1") = "6"
    & skf21("3","2","4","7","4","1","6","1") = "6"
    & skf21("3","2","4","7","4","1","7","1") = "6"
    & skf21("3","2","4","7","4","2","1","1") = "6"
    & skf21("3","2","4","7","4","2","2","1") = "6"
    & skf21("3","2","4","7","4","2","3","1") = "6"
    & skf21("3","2","4","7","4","2","4","1") = "6"
    & skf21("3","2","4","7","4","2","5","1") = "6"
    & skf21("3","2","4","7","4","2","6","1") = "6"
    & skf21("3","2","4","7","4","2","7","1") = "6"
    & skf21("3","2","4","7","4","3","1","1") = "6"
    & skf21("3","2","4","7","4","3","2","1") = "6"
    & skf21("3","2","4","7","4","3","3","1") = "6"
    & skf21("3","2","4","7","4","3","4","1") = "6"
    & skf21("3","2","4","7","4","3","5","1") = "6"
    & skf21("3","2","4","7","4","3","6","1") = "6"
    & skf21("3","2","4","7","4","3","7","1") = "6"
    & skf21("3","2","4","7","4","4","1","1") = "6"
    & skf21("3","2","4","7","4","4","2","1") = "6"
    & skf21("3","2","4","7","4","4","3","1") = "6"
    & skf21("3","2","4","7","4","4","4","1") = "6"
    & skf21("3","2","4","7","4","4","5","1") = "6"
    & skf21("3","2","4","7","4","4","6","1") = "6"
    & skf21("3","2","4","7","4","4","7","1") = "6"
    & skf21("3","2","4","7","4","5","1","1") = "6"
    & skf21("3","2","4","7","4","5","2","1") = "6"
    & skf21("3","2","4","7","4","5","3","1") = "6"
    & skf21("3","2","4","7","4","5","4","1") = "6"
    & skf21("3","2","4","7","4","5","5","1") = "6"
    & skf21("3","2","4","7","4","5","6","1") = "6"
    & skf21("3","2","4","7","4","5","7","1") = "6"
    & skf21("3","2","4","7","4","6","1","1") = "6"
    & skf21("3","2","4","7","4","6","2","1") = "6"
    & skf21("3","2","4","7","4","6","3","1") = "6"
    & skf21("3","2","4","7","4","6","4","1") = "6"
    & skf21("3","2","4","7","4","6","5","1") = "6"
    & skf21("3","2","4","7","4","6","6","1") = "6"
    & skf21("3","2","4","7","4","6","7","1") = "6"
    & skf21("3","2","4","7","4","7","1","1") = "6"
    & skf21("3","2","4","7","4","7","2","1") = "6"
    & skf21("3","2","4","7","4","7","3","1") = "6"
    & skf21("3","2","4","7","4","7","4","1") = "6"
    & skf21("3","2","4","7","4","7","5","1") = "6"
    & skf21("3","2","4","7","4","7","6","1") = "6"
    & skf21("3","2","4","7","4","7","7","1") = "6"
    & skf21("3","2","4","7","5","1","1","1") = "6"
    & skf21("3","2","4","7","5","1","2","1") = "6"
    & skf21("3","2","4","7","5","1","3","1") = "6"
    & skf21("3","2","4","7","5","1","4","1") = "6"
    & skf21("3","2","4","7","5","1","5","1") = "6"
    & skf21("3","2","4","7","5","1","6","1") = "6"
    & skf21("3","2","4","7","5","1","7","1") = "6"
    & skf21("3","2","4","7","5","2","1","1") = "6"
    & skf21("3","2","4","7","5","2","2","1") = "6"
    & skf21("3","2","4","7","5","2","3","1") = "6"
    & skf21("3","2","4","7","5","2","4","1") = "6"
    & skf21("3","2","4","7","5","2","5","1") = "6"
    & skf21("3","2","4","7","5","2","6","1") = "6"
    & skf21("3","2","4","7","5","2","7","1") = "6"
    & skf21("3","2","4","7","5","3","1","1") = "6"
    & skf21("3","2","4","7","5","3","2","1") = "6"
    & skf21("3","2","4","7","5","3","3","1") = "6"
    & skf21("3","2","4","7","5","3","4","1") = "6"
    & skf21("3","2","4","7","5","3","5","1") = "6"
    & skf21("3","2","4","7","5","3","6","1") = "6"
    & skf21("3","2","4","7","5","3","7","1") = "6"
    & skf21("3","2","4","7","5","4","1","1") = "6"
    & skf21("3","2","4","7","5","4","2","1") = "6"
    & skf21("3","2","4","7","5","4","3","1") = "6"
    & skf21("3","2","4","7","5","4","4","1") = "6"
    & skf21("3","2","4","7","5","4","5","1") = "6"
    & skf21("3","2","4","7","5","4","6","1") = "6"
    & skf21("3","2","4","7","5","4","7","1") = "6"
    & skf21("3","2","4","7","5","5","1","1") = "6"
    & skf21("3","2","4","7","5","5","2","1") = "6"
    & skf21("3","2","4","7","5","5","3","1") = "6"
    & skf21("3","2","4","7","5","5","4","1") = "6"
    & skf21("3","2","4","7","5","5","5","1") = "6"
    & skf21("3","2","4","7","5","5","6","1") = "6"
    & skf21("3","2","4","7","5","5","7","1") = "6"
    & skf21("3","2","4","7","5","6","1","1") = "6"
    & skf21("3","2","4","7","5","6","2","1") = "6"
    & skf21("3","2","4","7","5","6","3","1") = "6"
    & skf21("3","2","4","7","5","6","4","1") = "6"
    & skf21("3","2","4","7","5","6","5","1") = "6"
    & skf21("3","2","4","7","5","6","6","1") = "6"
    & skf21("3","2","4","7","5","6","7","1") = "6"
    & skf21("3","2","4","7","5","7","1","1") = "6"
    & skf21("3","2","4","7","5","7","2","1") = "6"
    & skf21("3","2","4","7","5","7","3","1") = "6"
    & skf21("3","2","4","7","5","7","4","1") = "6"
    & skf21("3","2","4","7","5","7","5","1") = "6"
    & skf21("3","2","4","7","5","7","6","1") = "6"
    & skf21("3","2","4","7","5","7","7","1") = "6"
    & skf21("3","2","4","7","6","1","1","1") = "6"
    & skf21("3","2","4","7","6","1","2","1") = "6"
    & skf21("3","2","4","7","6","1","3","1") = "6"
    & skf21("3","2","4","7","6","1","4","1") = "6"
    & skf21("3","2","4","7","6","1","5","1") = "6"
    & skf21("3","2","4","7","6","1","6","1") = "6"
    & skf21("3","2","4","7","6","1","7","1") = "6"
    & skf21("3","2","4","7","6","2","1","1") = "6"
    & skf21("3","2","4","7","6","2","2","1") = "6"
    & skf21("3","2","4","7","6","2","3","1") = "6"
    & skf21("3","2","4","7","6","2","4","1") = "6"
    & skf21("3","2","4","7","6","2","5","1") = "6"
    & skf21("3","2","4","7","6","2","6","1") = "6"
    & skf21("3","2","4","7","6","2","7","1") = "6"
    & skf21("3","2","4","7","6","3","1","1") = "6"
    & skf21("3","2","4","7","6","3","2","1") = "6"
    & skf21("3","2","4","7","6","3","3","1") = "6"
    & skf21("3","2","4","7","6","3","4","1") = "6"
    & skf21("3","2","4","7","6","3","5","1") = "6"
    & skf21("3","2","4","7","6","3","6","1") = "6"
    & skf21("3","2","4","7","6","3","7","1") = "6"
    & skf21("3","2","4","7","6","4","1","1") = "6"
    & skf21("3","2","4","7","6","4","2","1") = "6"
    & skf21("3","2","4","7","6","4","3","1") = "6"
    & skf21("3","2","4","7","6","4","4","1") = "6"
    & skf21("3","2","4","7","6","4","5","1") = "6"
    & skf21("3","2","4","7","6","4","6","1") = "6"
    & skf21("3","2","4","7","6","4","7","1") = "6"
    & skf21("3","2","4","7","6","5","1","1") = "6"
    & skf21("3","2","4","7","6","5","2","1") = "6"
    & skf21("3","2","4","7","6","5","3","1") = "6"
    & skf21("3","2","4","7","6","5","4","1") = "6"
    & skf21("3","2","4","7","6","5","5","1") = "6"
    & skf21("3","2","4","7","6","5","6","1") = "6"
    & skf21("3","2","4","7","6","5","7","1") = "6"
    & skf21("3","2","4","7","6","6","1","1") = "6"
    & skf21("3","2","4","7","6","6","2","1") = "6"
    & skf21("3","2","4","7","6","6","3","1") = "6"
    & skf21("3","2","4","7","6","6","4","1") = "6"
    & skf21("3","2","4","7","6","6","5","1") = "6"
    & skf21("3","2","4","7","6","6","6","1") = "6"
    & skf21("3","2","4","7","6","6","7","1") = "6"
    & skf21("3","2","4","7","6","7","1","1") = "6"
    & skf21("3","2","4","7","6","7","2","1") = "6"
    & skf21("3","2","4","7","6","7","3","1") = "6"
    & skf21("3","2","4","7","6","7","4","1") = "6"
    & skf21("3","2","4","7","6","7","5","1") = "6"
    & skf21("3","2","4","7","6","7","6","1") = "6"
    & skf21("3","2","4","7","6","7","7","1") = "6"
    & skf21("3","2","4","7","7","1","1","1") = "6"
    & skf21("3","2","4","7","7","1","2","1") = "6"
    & skf21("3","2","4","7","7","1","3","1") = "6"
    & skf21("3","2","4","7","7","1","4","1") = "6"
    & skf21("3","2","4","7","7","1","5","1") = "6"
    & skf21("3","2","4","7","7","1","6","1") = "6"
    & skf21("3","2","4","7","7","1","7","1") = "6"
    & skf21("3","2","4","7","7","2","1","1") = "6"
    & skf21("3","2","4","7","7","2","2","1") = "6"
    & skf21("3","2","4","7","7","2","3","1") = "6"
    & skf21("3","2","4","7","7","2","4","1") = "6"
    & skf21("3","2","4","7","7","2","5","1") = "6"
    & skf21("3","2","4","7","7","2","6","1") = "6"
    & skf21("3","2","4","7","7","2","7","1") = "6"
    & skf21("3","2","4","7","7","3","1","1") = "6"
    & skf21("3","2","4","7","7","3","2","1") = "6"
    & skf21("3","2","4","7","7","3","3","1") = "6"
    & skf21("3","2","4","7","7","3","4","1") = "6"
    & skf21("3","2","4","7","7","3","5","1") = "6"
    & skf21("3","2","4","7","7","3","6","1") = "6"
    & skf21("3","2","4","7","7","3","7","1") = "6"
    & skf21("3","2","4","7","7","4","1","1") = "6"
    & skf21("3","2","4","7","7","4","2","1") = "6"
    & skf21("3","2","4","7","7","4","3","1") = "6"
    & skf21("3","2","4","7","7","4","4","1") = "6"
    & skf21("3","2","4","7","7","4","5","1") = "6"
    & skf21("3","2","4","7","7","4","6","1") = "6"
    & skf21("3","2","4","7","7","4","7","1") = "6"
    & skf21("3","2","4","7","7","5","1","1") = "6"
    & skf21("3","2","4","7","7","5","2","1") = "6"
    & skf21("3","2","4","7","7","5","3","1") = "6"
    & skf21("3","2","4","7","7","5","4","1") = "6"
    & skf21("3","2","4","7","7","5","5","1") = "6"
    & skf21("3","2","4","7","7","5","6","1") = "6"
    & skf21("3","2","4","7","7","5","7","1") = "6"
    & skf21("3","2","4","7","7","6","1","1") = "6"
    & skf21("3","2","4","7","7","6","2","1") = "6"
    & skf21("3","2","4","7","7","6","3","1") = "6"
    & skf21("3","2","4","7","7","6","4","1") = "6"
    & skf21("3","2","4","7","7","6","5","1") = "6"
    & skf21("3","2","4","7","7","6","6","1") = "6"
    & skf21("3","2","4","7","7","6","7","1") = "6"
    & skf21("3","2","4","7","7","7","1","1") = "6"
    & skf21("3","2","4","7","7","7","2","1") = "6"
    & skf21("3","2","4","7","7","7","3","1") = "6"
    & skf21("3","2","4","7","7","7","4","1") = "6"
    & skf21("3","2","4","7","7","7","5","1") = "6"
    & skf21("3","2","4","7","7","7","6","1") = "6"
    & skf21("3","2","4","7","7","7","7","1") = "6"
    & skf21("3","2","5","1","1","1","1","1") = "4"
    & skf21("3","2","5","1","1","1","2","1") = "4"
    & skf21("3","2","5","1","1","1","3","1") = "4"
    & skf21("3","2","5","1","1","1","4","1") = "4"
    & skf21("3","2","5","1","1","1","5","1") = "4"
    & skf21("3","2","5","1","1","1","6","1") = "5"
    & skf21("3","2","5","1","1","1","7","1") = "6"
    & skf21("3","2","5","1","1","2","1","1") = "4"
    & skf21("3","2","5","1","1","2","2","1") = "4"
    & skf21("3","2","5","1","1","2","3","1") = "4"
    & skf21("3","2","5","1","1","2","4","1") = "4"
    & skf21("3","2","5","1","1","2","5","1") = "4"
    & skf21("3","2","5","1","1","2","6","1") = "5"
    & skf21("3","2","5","1","1","2","7","1") = "6"
    & skf21("3","2","5","1","1","3","1","1") = "4"
    & skf21("3","2","5","1","1","3","2","1") = "4"
    & skf21("3","2","5","1","1","3","3","1") = "4"
    & skf21("3","2","5","1","1","3","4","1") = "4"
    & skf21("3","2","5","1","1","3","5","1") = "4"
    & skf21("3","2","5","1","1","3","6","1") = "5"
    & skf21("3","2","5","1","1","3","7","1") = "6"
    & skf21("3","2","5","1","1","4","1","1") = "4"
    & skf21("3","2","5","1","1","4","2","1") = "4"
    & skf21("3","2","5","1","1","4","3","1") = "4"
    & skf21("3","2","5","1","1","4","4","1") = "4"
    & skf21("3","2","5","1","1","4","5","1") = "4"
    & skf21("3","2","5","1","1","4","6","1") = "5"
    & skf21("3","2","5","1","1","4","7","1") = "6"
    & skf21("3","2","5","1","1","5","1","1") = "4"
    & skf21("3","2","5","1","1","5","2","1") = "4"
    & skf21("3","2","5","1","1","5","3","1") = "4"
    & skf21("3","2","5","1","1","5","4","1") = "4"
    & skf21("3","2","5","1","1","5","5","1") = "4"
    & skf21("3","2","5","1","1","5","6","1") = "5"
    & skf21("3","2","5","1","1","5","7","1") = "6"
    & skf21("3","2","5","1","1","6","1","1") = "5"
    & skf21("3","2","5","1","1","6","2","1") = "5"
    & skf21("3","2","5","1","1","6","3","1") = "5"
    & skf21("3","2","5","1","1","6","4","1") = "5"
    & skf21("3","2","5","1","1","6","5","1") = "5"
    & skf21("3","2","5","1","1","6","6","1") = "5"
    & skf21("3","2","5","1","1","6","7","1") = "6"
    & skf21("3","2","5","1","1","7","1","1") = "6"
    & skf21("3","2","5","1","1","7","2","1") = "6"
    & skf21("3","2","5","1","1","7","3","1") = "6"
    & skf21("3","2","5","1","1","7","4","1") = "6"
    & skf21("3","2","5","1","1","7","5","1") = "6"
    & skf21("3","2","5","1","1","7","6","1") = "6"
    & skf21("3","2","5","1","1","7","7","1") = "6"
    & skf21("3","2","5","1","2","1","1","1") = "4"
    & skf21("3","2","5","1","2","1","2","1") = "4"
    & skf21("3","2","5","1","2","1","3","1") = "4"
    & skf21("3","2","5","1","2","1","4","1") = "4"
    & skf21("3","2","5","1","2","1","5","1") = "4"
    & skf21("3","2","5","1","2","1","6","1") = "5"
    & skf21("3","2","5","1","2","1","7","1") = "6"
    & skf21("3","2","5","1","2","2","1","1") = "4"
    & skf21("3","2","5","1","2","2","2","1") = "4"
    & skf21("3","2","5","1","2","2","3","1") = "4"
    & skf21("3","2","5","1","2","2","4","1") = "4"
    & skf21("3","2","5","1","2","2","5","1") = "4"
    & skf21("3","2","5","1","2","2","6","1") = "5"
    & skf21("3","2","5","1","2","2","7","1") = "6"
    & skf21("3","2","5","1","2","3","1","1") = "4"
    & skf21("3","2","5","1","2","3","2","1") = "4"
    & skf21("3","2","5","1","2","3","3","1") = "4"
    & skf21("3","2","5","1","2","3","4","1") = "4"
    & skf21("3","2","5","1","2","3","5","1") = "4"
    & skf21("3","2","5","1","2","3","6","1") = "5"
    & skf21("3","2","5","1","2","3","7","1") = "6"
    & skf21("3","2","5","1","2","4","1","1") = "4"
    & skf21("3","2","5","1","2","4","2","1") = "4"
    & skf21("3","2","5","1","2","4","3","1") = "4"
    & skf21("3","2","5","1","2","4","4","1") = "4"
    & skf21("3","2","5","1","2","4","5","1") = "4"
    & skf21("3","2","5","1","2","4","6","1") = "5"
    & skf21("3","2","5","1","2","4","7","1") = "6"
    & skf21("3","2","5","1","2","5","1","1") = "4"
    & skf21("3","2","5","1","2","5","2","1") = "4"
    & skf21("3","2","5","1","2","5","3","1") = "4"
    & skf21("3","2","5","1","2","5","4","1") = "4"
    & skf21("3","2","5","1","2","5","5","1") = "4"
    & skf21("3","2","5","1","2","5","6","1") = "5"
    & skf21("3","2","5","1","2","5","7","1") = "6"
    & skf21("3","2","5","1","2","6","1","1") = "5"
    & skf21("3","2","5","1","2","6","2","1") = "5"
    & skf21("3","2","5","1","2","6","3","1") = "5"
    & skf21("3","2","5","1","2","6","4","1") = "5"
    & skf21("3","2","5","1","2","6","5","1") = "5"
    & skf21("3","2","5","1","2","6","6","1") = "5"
    & skf21("3","2","5","1","2","6","7","1") = "6"
    & skf21("3","2","5","1","2","7","1","1") = "6"
    & skf21("3","2","5","1","2","7","2","1") = "6"
    & skf21("3","2","5","1","2","7","3","1") = "6"
    & skf21("3","2","5","1","2","7","4","1") = "6"
    & skf21("3","2","5","1","2","7","5","1") = "6"
    & skf21("3","2","5","1","2","7","6","1") = "6"
    & skf21("3","2","5","1","2","7","7","1") = "6"
    & skf21("3","2","5","1","3","1","1","1") = "4"
    & skf21("3","2","5","1","3","1","2","1") = "4"
    & skf21("3","2","5","1","3","1","3","1") = "4"
    & skf21("3","2","5","1","3","1","4","1") = "4"
    & skf21("3","2","5","1","3","1","5","1") = "4"
    & skf21("3","2","5","1","3","1","6","1") = "5"
    & skf21("3","2","5","1","3","1","7","1") = "6"
    & skf21("3","2","5","1","3","2","1","1") = "4"
    & skf21("3","2","5","1","3","2","2","1") = "4"
    & skf21("3","2","5","1","3","2","3","1") = "4"
    & skf21("3","2","5","1","3","2","4","1") = "4"
    & skf21("3","2","5","1","3","2","5","1") = "4"
    & skf21("3","2","5","1","3","2","6","1") = "5"
    & skf21("3","2","5","1","3","2","7","1") = "6"
    & skf21("3","2","5","1","3","3","1","1") = "4"
    & skf21("3","2","5","1","3","3","2","1") = "4"
    & skf21("3","2","5","1","3","3","3","1") = "4"
    & skf21("3","2","5","1","3","3","4","1") = "4"
    & skf21("3","2","5","1","3","3","5","1") = "4"
    & skf21("3","2","5","1","3","3","6","1") = "5"
    & skf21("3","2","5","1","3","3","7","1") = "6"
    & skf21("3","2","5","1","3","4","1","1") = "4"
    & skf21("3","2","5","1","3","4","2","1") = "4"
    & skf21("3","2","5","1","3","4","3","1") = "4"
    & skf21("3","2","5","1","3","4","4","1") = "4"
    & skf21("3","2","5","1","3","4","5","1") = "4"
    & skf21("3","2","5","1","3","4","6","1") = "5"
    & skf21("3","2","5","1","3","4","7","1") = "6"
    & skf21("3","2","5","1","3","5","1","1") = "4"
    & skf21("3","2","5","1","3","5","2","1") = "4"
    & skf21("3","2","5","1","3","5","3","1") = "4"
    & skf21("3","2","5","1","3","5","4","1") = "4"
    & skf21("3","2","5","1","3","5","5","1") = "4"
    & skf21("3","2","5","1","3","5","6","1") = "5"
    & skf21("3","2","5","1","3","5","7","1") = "6"
    & skf21("3","2","5","1","3","6","1","1") = "5"
    & skf21("3","2","5","1","3","6","2","1") = "5"
    & skf21("3","2","5","1","3","6","3","1") = "5"
    & skf21("3","2","5","1","3","6","4","1") = "5"
    & skf21("3","2","5","1","3","6","5","1") = "5"
    & skf21("3","2","5","1","3","6","6","1") = "5"
    & skf21("3","2","5","1","3","6","7","1") = "6"
    & skf21("3","2","5","1","3","7","1","1") = "6"
    & skf21("3","2","5","1","3","7","2","1") = "6"
    & skf21("3","2","5","1","3","7","3","1") = "6"
    & skf21("3","2","5","1","3","7","4","1") = "6"
    & skf21("3","2","5","1","3","7","5","1") = "6"
    & skf21("3","2","5","1","3","7","6","1") = "6"
    & skf21("3","2","5","1","3","7","7","1") = "6"
    & skf21("3","2","5","1","4","1","1","1") = "4"
    & skf21("3","2","5","1","4","1","2","1") = "4"
    & skf21("3","2","5","1","4","1","3","1") = "4"
    & skf21("3","2","5","1","4","1","4","1") = "4"
    & skf21("3","2","5","1","4","1","5","1") = "4"
    & skf21("3","2","5","1","4","1","6","1") = "5"
    & skf21("3","2","5","1","4","1","7","1") = "6"
    & skf21("3","2","5","1","4","2","1","1") = "4"
    & skf21("3","2","5","1","4","2","2","1") = "4"
    & skf21("3","2","5","1","4","2","3","1") = "4"
    & skf21("3","2","5","1","4","2","4","1") = "4"
    & skf21("3","2","5","1","4","2","5","1") = "4"
    & skf21("3","2","5","1","4","2","6","1") = "5"
    & skf21("3","2","5","1","4","2","7","1") = "6"
    & skf21("3","2","5","1","4","3","1","1") = "4"
    & skf21("3","2","5","1","4","3","2","1") = "4"
    & skf21("3","2","5","1","4","3","3","1") = "4"
    & skf21("3","2","5","1","4","3","4","1") = "4"
    & skf21("3","2","5","1","4","3","5","1") = "4"
    & skf21("3","2","5","1","4","3","6","1") = "5"
    & skf21("3","2","5","1","4","3","7","1") = "6"
    & skf21("3","2","5","1","4","4","1","1") = "4"
    & skf21("3","2","5","1","4","4","2","1") = "4"
    & skf21("3","2","5","1","4","4","3","1") = "4"
    & skf21("3","2","5","1","4","4","4","1") = "4"
    & skf21("3","2","5","1","4","4","5","1") = "4"
    & skf21("3","2","5","1","4","4","6","1") = "5"
    & skf21("3","2","5","1","4","4","7","1") = "6"
    & skf21("3","2","5","1","4","5","1","1") = "4"
    & skf21("3","2","5","1","4","5","2","1") = "4"
    & skf21("3","2","5","1","4","5","3","1") = "4"
    & skf21("3","2","5","1","4","5","4","1") = "4"
    & skf21("3","2","5","1","4","5","5","1") = "4"
    & skf21("3","2","5","1","4","5","6","1") = "5"
    & skf21("3","2","5","1","4","5","7","1") = "6"
    & skf21("3","2","5","1","4","6","1","1") = "5"
    & skf21("3","2","5","1","4","6","2","1") = "5"
    & skf21("3","2","5","1","4","6","3","1") = "5"
    & skf21("3","2","5","1","4","6","4","1") = "5"
    & skf21("3","2","5","1","4","6","5","1") = "5"
    & skf21("3","2","5","1","4","6","6","1") = "5"
    & skf21("3","2","5","1","4","6","7","1") = "6"
    & skf21("3","2","5","1","4","7","1","1") = "6"
    & skf21("3","2","5","1","4","7","2","1") = "6"
    & skf21("3","2","5","1","4","7","3","1") = "6"
    & skf21("3","2","5","1","4","7","4","1") = "6"
    & skf21("3","2","5","1","4","7","5","1") = "6"
    & skf21("3","2","5","1","4","7","6","1") = "6"
    & skf21("3","2","5","1","4","7","7","1") = "6"
    & skf21("3","2","5","1","5","1","1","1") = "4"
    & skf21("3","2","5","1","5","1","2","1") = "4"
    & skf21("3","2","5","1","5","1","3","1") = "4"
    & skf21("3","2","5","1","5","1","4","1") = "4"
    & skf21("3","2","5","1","5","1","5","1") = "4"
    & skf21("3","2","5","1","5","1","6","1") = "5"
    & skf21("3","2","5","1","5","1","7","1") = "6"
    & skf21("3","2","5","1","5","2","1","1") = "4"
    & skf21("3","2","5","1","5","2","2","1") = "4"
    & skf21("3","2","5","1","5","2","3","1") = "4"
    & skf21("3","2","5","1","5","2","4","1") = "4"
    & skf21("3","2","5","1","5","2","5","1") = "4"
    & skf21("3","2","5","1","5","2","6","1") = "5"
    & skf21("3","2","5","1","5","2","7","1") = "6"
    & skf21("3","2","5","1","5","3","1","1") = "4"
    & skf21("3","2","5","1","5","3","2","1") = "4"
    & skf21("3","2","5","1","5","3","3","1") = "4"
    & skf21("3","2","5","1","5","3","4","1") = "4"
    & skf21("3","2","5","1","5","3","5","1") = "4"
    & skf21("3","2","5","1","5","3","6","1") = "5"
    & skf21("3","2","5","1","5","3","7","1") = "6"
    & skf21("3","2","5","1","5","4","1","1") = "4"
    & skf21("3","2","5","1","5","4","2","1") = "4"
    & skf21("3","2","5","1","5","4","3","1") = "4"
    & skf21("3","2","5","1","5","4","4","1") = "4"
    & skf21("3","2","5","1","5","4","5","1") = "4"
    & skf21("3","2","5","1","5","4","6","1") = "5"
    & skf21("3","2","5","1","5","4","7","1") = "6"
    & skf21("3","2","5","1","5","5","1","1") = "4"
    & skf21("3","2","5","1","5","5","2","1") = "4"
    & skf21("3","2","5","1","5","5","3","1") = "4"
    & skf21("3","2","5","1","5","5","4","1") = "4"
    & skf21("3","2","5","1","5","5","5","1") = "4"
    & skf21("3","2","5","1","5","5","6","1") = "5"
    & skf21("3","2","5","1","5","5","7","1") = "6"
    & skf21("3","2","5","1","5","6","1","1") = "5"
    & skf21("3","2","5","1","5","6","2","1") = "5"
    & skf21("3","2","5","1","5","6","3","1") = "5"
    & skf21("3","2","5","1","5","6","4","1") = "5"
    & skf21("3","2","5","1","5","6","5","1") = "5"
    & skf21("3","2","5","1","5","6","6","1") = "5"
    & skf21("3","2","5","1","5","6","7","1") = "6"
    & skf21("3","2","5","1","5","7","1","1") = "6"
    & skf21("3","2","5","1","5","7","2","1") = "6"
    & skf21("3","2","5","1","5","7","3","1") = "6"
    & skf21("3","2","5","1","5","7","4","1") = "6"
    & skf21("3","2","5","1","5","7","5","1") = "6"
    & skf21("3","2","5","1","5","7","6","1") = "6"
    & skf21("3","2","5","1","5","7","7","1") = "6"
    & skf21("3","2","5","1","6","1","1","1") = "5"
    & skf21("3","2","5","1","6","1","2","1") = "5"
    & skf21("3","2","5","1","6","1","3","1") = "5"
    & skf21("3","2","5","1","6","1","4","1") = "5"
    & skf21("3","2","5","1","6","1","5","1") = "5"
    & skf21("3","2","5","1","6","1","6","1") = "5"
    & skf21("3","2","5","1","6","1","7","1") = "6"
    & skf21("3","2","5","1","6","2","1","1") = "5"
    & skf21("3","2","5","1","6","2","2","1") = "5"
    & skf21("3","2","5","1","6","2","3","1") = "5"
    & skf21("3","2","5","1","6","2","4","1") = "5"
    & skf21("3","2","5","1","6","2","5","1") = "5"
    & skf21("3","2","5","1","6","2","6","1") = "5"
    & skf21("3","2","5","1","6","2","7","1") = "6"
    & skf21("3","2","5","1","6","3","1","1") = "5"
    & skf21("3","2","5","1","6","3","2","1") = "5"
    & skf21("3","2","5","1","6","3","3","1") = "5"
    & skf21("3","2","5","1","6","3","4","1") = "5"
    & skf21("3","2","5","1","6","3","5","1") = "5"
    & skf21("3","2","5","1","6","3","6","1") = "5"
    & skf21("3","2","5","1","6","3","7","1") = "6"
    & skf21("3","2","5","1","6","4","1","1") = "5"
    & skf21("3","2","5","1","6","4","2","1") = "5"
    & skf21("3","2","5","1","6","4","3","1") = "5"
    & skf21("3","2","5","1","6","4","4","1") = "5"
    & skf21("3","2","5","1","6","4","5","1") = "5"
    & skf21("3","2","5","1","6","4","6","1") = "5"
    & skf21("3","2","5","1","6","4","7","1") = "6"
    & skf21("3","2","5","1","6","5","1","1") = "5"
    & skf21("3","2","5","1","6","5","2","1") = "5"
    & skf21("3","2","5","1","6","5","3","1") = "5"
    & skf21("3","2","5","1","6","5","4","1") = "5"
    & skf21("3","2","5","1","6","5","5","1") = "5"
    & skf21("3","2","5","1","6","5","6","1") = "5"
    & skf21("3","2","5","1","6","5","7","1") = "6"
    & skf21("3","2","5","1","6","6","1","1") = "5"
    & skf21("3","2","5","1","6","6","2","1") = "5"
    & skf21("3","2","5","1","6","6","3","1") = "5"
    & skf21("3","2","5","1","6","6","4","1") = "5"
    & skf21("3","2","5","1","6","6","5","1") = "5"
    & skf21("3","2","5","1","6","6","6","1") = "5"
    & skf21("3","2","5","1","6","6","7","1") = "6"
    & skf21("3","2","5","1","6","7","1","1") = "6"
    & skf21("3","2","5","1","6","7","2","1") = "6"
    & skf21("3","2","5","1","6","7","3","1") = "6"
    & skf21("3","2","5","1","6","7","4","1") = "6"
    & skf21("3","2","5","1","6","7","5","1") = "6"
    & skf21("3","2","5","1","6","7","6","1") = "6"
    & skf21("3","2","5","1","6","7","7","1") = "6"
    & skf21("3","2","5","1","7","1","1","1") = "6"
    & skf21("3","2","5","1","7","1","2","1") = "6"
    & skf21("3","2","5","1","7","1","3","1") = "6"
    & skf21("3","2","5","1","7","1","4","1") = "6"
    & skf21("3","2","5","1","7","1","5","1") = "6"
    & skf21("3","2","5","1","7","1","6","1") = "6"
    & skf21("3","2","5","1","7","1","7","1") = "6"
    & skf21("3","2","5","1","7","2","1","1") = "6"
    & skf21("3","2","5","1","7","2","2","1") = "6"
    & skf21("3","2","5","1","7","2","3","1") = "6"
    & skf21("3","2","5","1","7","2","4","1") = "6"
    & skf21("3","2","5","1","7","2","5","1") = "6"
    & skf21("3","2","5","1","7","2","6","1") = "6"
    & skf21("3","2","5","1","7","2","7","1") = "6"
    & skf21("3","2","5","1","7","3","1","1") = "6"
    & skf21("3","2","5","1","7","3","2","1") = "6"
    & skf21("3","2","5","1","7","3","3","1") = "6"
    & skf21("3","2","5","1","7","3","4","1") = "6"
    & skf21("3","2","5","1","7","3","5","1") = "6"
    & skf21("3","2","5","1","7","3","6","1") = "6"
    & skf21("3","2","5","1","7","3","7","1") = "6"
    & skf21("3","2","5","1","7","4","1","1") = "6"
    & skf21("3","2","5","1","7","4","2","1") = "6"
    & skf21("3","2","5","1","7","4","3","1") = "6"
    & skf21("3","2","5","1","7","4","4","1") = "6"
    & skf21("3","2","5","1","7","4","5","1") = "6"
    & skf21("3","2","5","1","7","4","6","1") = "6"
    & skf21("3","2","5","1","7","4","7","1") = "6"
    & skf21("3","2","5","1","7","5","1","1") = "6"
    & skf21("3","2","5","1","7","5","2","1") = "6"
    & skf21("3","2","5","1","7","5","3","1") = "6"
    & skf21("3","2","5","1","7","5","4","1") = "6"
    & skf21("3","2","5","1","7","5","5","1") = "6"
    & skf21("3","2","5","1","7","5","6","1") = "6"
    & skf21("3","2","5","1","7","5","7","1") = "6"
    & skf21("3","2","5","1","7","6","1","1") = "6"
    & skf21("3","2","5","1","7","6","2","1") = "6"
    & skf21("3","2","5","1","7","6","3","1") = "6"
    & skf21("3","2","5","1","7","6","4","1") = "6"
    & skf21("3","2","5","1","7","6","5","1") = "6"
    & skf21("3","2","5","1","7","6","6","1") = "6"
    & skf21("3","2","5","1","7","6","7","1") = "6"
    & skf21("3","2","5","1","7","7","1","1") = "6"
    & skf21("3","2","5","1","7","7","2","1") = "6"
    & skf21("3","2","5","1","7","7","3","1") = "6"
    & skf21("3","2","5","1","7","7","4","1") = "6"
    & skf21("3","2","5","1","7","7","5","1") = "6"
    & skf21("3","2","5","1","7","7","6","1") = "6"
    & skf21("3","2","5","1","7","7","7","1") = "6"
    & skf21("3","2","5","2","1","1","1","1") = "4"
    & skf21("3","2","5","2","1","1","2","1") = "4"
    & skf21("3","2","5","2","1","1","3","1") = "4"
    & skf21("3","2","5","2","1","1","4","1") = "4"
    & skf21("3","2","5","2","1","1","5","1") = "4"
    & skf21("3","2","5","2","1","1","6","1") = "5"
    & skf21("3","2","5","2","1","1","7","1") = "6"
    & skf21("3","2","5","2","1","2","1","1") = "4"
    & skf21("3","2","5","2","1","2","2","1") = "4"
    & skf21("3","2","5","2","1","2","3","1") = "4"
    & skf21("3","2","5","2","1","2","4","1") = "4"
    & skf21("3","2","5","2","1","2","5","1") = "4"
    & skf21("3","2","5","2","1","2","6","1") = "5"
    & skf21("3","2","5","2","1","2","7","1") = "6"
    & skf21("3","2","5","2","1","3","1","1") = "4"
    & skf21("3","2","5","2","1","3","2","1") = "4"
    & skf21("3","2","5","2","1","3","3","1") = "4"
    & skf21("3","2","5","2","1","3","4","1") = "4"
    & skf21("3","2","5","2","1","3","5","1") = "4"
    & skf21("3","2","5","2","1","3","6","1") = "5"
    & skf21("3","2","5","2","1","3","7","1") = "6"
    & skf21("3","2","5","2","1","4","1","1") = "4"
    & skf21("3","2","5","2","1","4","2","1") = "4"
    & skf21("3","2","5","2","1","4","3","1") = "4"
    & skf21("3","2","5","2","1","4","4","1") = "4"
    & skf21("3","2","5","2","1","4","5","1") = "4"
    & skf21("3","2","5","2","1","4","6","1") = "5"
    & skf21("3","2","5","2","1","4","7","1") = "6"
    & skf21("3","2","5","2","1","5","1","1") = "4"
    & skf21("3","2","5","2","1","5","2","1") = "4"
    & skf21("3","2","5","2","1","5","3","1") = "4"
    & skf21("3","2","5","2","1","5","4","1") = "4"
    & skf21("3","2","5","2","1","5","5","1") = "4"
    & skf21("3","2","5","2","1","5","6","1") = "5"
    & skf21("3","2","5","2","1","5","7","1") = "6"
    & skf21("3","2","5","2","1","6","1","1") = "5"
    & skf21("3","2","5","2","1","6","2","1") = "5"
    & skf21("3","2","5","2","1","6","3","1") = "5"
    & skf21("3","2","5","2","1","6","4","1") = "5"
    & skf21("3","2","5","2","1","6","5","1") = "5"
    & skf21("3","2","5","2","1","6","6","1") = "5"
    & skf21("3","2","5","2","1","6","7","1") = "6"
    & skf21("3","2","5","2","1","7","1","1") = "6"
    & skf21("3","2","5","2","1","7","2","1") = "6"
    & skf21("3","2","5","2","1","7","3","1") = "6"
    & skf21("3","2","5","2","1","7","4","1") = "6"
    & skf21("3","2","5","2","1","7","5","1") = "6"
    & skf21("3","2","5","2","1","7","6","1") = "6"
    & skf21("3","2","5","2","1","7","7","1") = "6"
    & skf21("3","2","5","2","2","1","1","1") = "4"
    & skf21("3","2","5","2","2","1","2","1") = "4"
    & skf21("3","2","5","2","2","1","3","1") = "4"
    & skf21("3","2","5","2","2","1","4","1") = "4"
    & skf21("3","2","5","2","2","1","5","1") = "4"
    & skf21("3","2","5","2","2","1","6","1") = "5"
    & skf21("3","2","5","2","2","1","7","1") = "6"
    & skf21("3","2","5","2","2","2","1","1") = "4"
    & skf21("3","2","5","2","2","2","2","1") = "4"
    & skf21("3","2","5","2","2","2","3","1") = "4"
    & skf21("3","2","5","2","2","2","4","1") = "4"
    & skf21("3","2","5","2","2","2","5","1") = "4"
    & skf21("3","2","5","2","2","2","6","1") = "5"
    & skf21("3","2","5","2","2","2","7","1") = "6"
    & skf21("3","2","5","2","2","3","1","1") = "4"
    & skf21("3","2","5","2","2","3","2","1") = "4"
    & skf21("3","2","5","2","2","3","3","1") = "4"
    & skf21("3","2","5","2","2","3","4","1") = "4"
    & skf21("3","2","5","2","2","3","5","1") = "4"
    & skf21("3","2","5","2","2","3","6","1") = "5"
    & skf21("3","2","5","2","2","3","7","1") = "6"
    & skf21("3","2","5","2","2","4","1","1") = "4"
    & skf21("3","2","5","2","2","4","2","1") = "4"
    & skf21("3","2","5","2","2","4","3","1") = "4"
    & skf21("3","2","5","2","2","4","4","1") = "4"
    & skf21("3","2","5","2","2","4","5","1") = "4"
    & skf21("3","2","5","2","2","4","6","1") = "5"
    & skf21("3","2","5","2","2","4","7","1") = "6"
    & skf21("3","2","5","2","2","5","1","1") = "4"
    & skf21("3","2","5","2","2","5","2","1") = "4"
    & skf21("3","2","5","2","2","5","3","1") = "4"
    & skf21("3","2","5","2","2","5","4","1") = "4"
    & skf21("3","2","5","2","2","5","5","1") = "4"
    & skf21("3","2","5","2","2","5","6","1") = "5"
    & skf21("3","2","5","2","2","5","7","1") = "6"
    & skf21("3","2","5","2","2","6","1","1") = "5"
    & skf21("3","2","5","2","2","6","2","1") = "5"
    & skf21("3","2","5","2","2","6","3","1") = "5"
    & skf21("3","2","5","2","2","6","4","1") = "5"
    & skf21("3","2","5","2","2","6","5","1") = "5"
    & skf21("3","2","5","2","2","6","6","1") = "5"
    & skf21("3","2","5","2","2","6","7","1") = "6"
    & skf21("3","2","5","2","2","7","1","1") = "6"
    & skf21("3","2","5","2","2","7","2","1") = "6"
    & skf21("3","2","5","2","2","7","3","1") = "6"
    & skf21("3","2","5","2","2","7","4","1") = "6"
    & skf21("3","2","5","2","2","7","5","1") = "6"
    & skf21("3","2","5","2","2","7","6","1") = "6"
    & skf21("3","2","5","2","2","7","7","1") = "6"
    & skf21("3","2","5","2","3","1","1","1") = "4"
    & skf21("3","2","5","2","3","1","2","1") = "4"
    & skf21("3","2","5","2","3","1","3","1") = "4"
    & skf21("3","2","5","2","3","1","4","1") = "4"
    & skf21("3","2","5","2","3","1","5","1") = "4"
    & skf21("3","2","5","2","3","1","6","1") = "5"
    & skf21("3","2","5","2","3","1","7","1") = "6"
    & skf21("3","2","5","2","3","2","1","1") = "4"
    & skf21("3","2","5","2","3","2","2","1") = "4"
    & skf21("3","2","5","2","3","2","3","1") = "4"
    & skf21("3","2","5","2","3","2","4","1") = "4"
    & skf21("3","2","5","2","3","2","5","1") = "4"
    & skf21("3","2","5","2","3","2","6","1") = "5"
    & skf21("3","2","5","2","3","2","7","1") = "6"
    & skf21("3","2","5","2","3","3","1","1") = "4"
    & skf21("3","2","5","2","3","3","2","1") = "4"
    & skf21("3","2","5","2","3","3","3","1") = "4"
    & skf21("3","2","5","2","3","3","4","1") = "4"
    & skf21("3","2","5","2","3","3","5","1") = "4"
    & skf21("3","2","5","2","3","3","6","1") = "5"
    & skf21("3","2","5","2","3","3","7","1") = "6"
    & skf21("3","2","5","2","3","4","1","1") = "4"
    & skf21("3","2","5","2","3","4","2","1") = "4"
    & skf21("3","2","5","2","3","4","3","1") = "4"
    & skf21("3","2","5","2","3","4","4","1") = "4"
    & skf21("3","2","5","2","3","4","5","1") = "4"
    & skf21("3","2","5","2","3","4","6","1") = "5"
    & skf21("3","2","5","2","3","4","7","1") = "6"
    & skf21("3","2","5","2","3","5","1","1") = "4"
    & skf21("3","2","5","2","3","5","2","1") = "4"
    & skf21("3","2","5","2","3","5","3","1") = "4"
    & skf21("3","2","5","2","3","5","4","1") = "4"
    & skf21("3","2","5","2","3","5","5","1") = "4"
    & skf21("3","2","5","2","3","5","6","1") = "5"
    & skf21("3","2","5","2","3","5","7","1") = "6"
    & skf21("3","2","5","2","3","6","1","1") = "5"
    & skf21("3","2","5","2","3","6","2","1") = "5"
    & skf21("3","2","5","2","3","6","3","1") = "5"
    & skf21("3","2","5","2","3","6","4","1") = "5"
    & skf21("3","2","5","2","3","6","5","1") = "5"
    & skf21("3","2","5","2","3","6","6","1") = "5"
    & skf21("3","2","5","2","3","6","7","1") = "6"
    & skf21("3","2","5","2","3","7","1","1") = "6"
    & skf21("3","2","5","2","3","7","2","1") = "6"
    & skf21("3","2","5","2","3","7","3","1") = "6"
    & skf21("3","2","5","2","3","7","4","1") = "6"
    & skf21("3","2","5","2","3","7","5","1") = "6"
    & skf21("3","2","5","2","3","7","6","1") = "6"
    & skf21("3","2","5","2","3","7","7","1") = "6"
    & skf21("3","2","5","2","4","1","1","1") = "4"
    & skf21("3","2","5","2","4","1","2","1") = "4"
    & skf21("3","2","5","2","4","1","3","1") = "4"
    & skf21("3","2","5","2","4","1","4","1") = "4"
    & skf21("3","2","5","2","4","1","5","1") = "4"
    & skf21("3","2","5","2","4","1","6","1") = "5"
    & skf21("3","2","5","2","4","1","7","1") = "6"
    & skf21("3","2","5","2","4","2","1","1") = "4"
    & skf21("3","2","5","2","4","2","2","1") = "4"
    & skf21("3","2","5","2","4","2","3","1") = "4"
    & skf21("3","2","5","2","4","2","4","1") = "4"
    & skf21("3","2","5","2","4","2","5","1") = "4"
    & skf21("3","2","5","2","4","2","6","1") = "5"
    & skf21("3","2","5","2","4","2","7","1") = "6"
    & skf21("3","2","5","2","4","3","1","1") = "4"
    & skf21("3","2","5","2","4","3","2","1") = "4"
    & skf21("3","2","5","2","4","3","3","1") = "4"
    & skf21("3","2","5","2","4","3","4","1") = "4"
    & skf21("3","2","5","2","4","3","5","1") = "4"
    & skf21("3","2","5","2","4","3","6","1") = "5"
    & skf21("3","2","5","2","4","3","7","1") = "6"
    & skf21("3","2","5","2","4","4","1","1") = "4"
    & skf21("3","2","5","2","4","4","2","1") = "4"
    & skf21("3","2","5","2","4","4","3","1") = "4"
    & skf21("3","2","5","2","4","4","4","1") = "4"
    & skf21("3","2","5","2","4","4","5","1") = "4"
    & skf21("3","2","5","2","4","4","6","1") = "5"
    & skf21("3","2","5","2","4","4","7","1") = "6"
    & skf21("3","2","5","2","4","5","1","1") = "4"
    & skf21("3","2","5","2","4","5","2","1") = "4"
    & skf21("3","2","5","2","4","5","3","1") = "4"
    & skf21("3","2","5","2","4","5","4","1") = "4"
    & skf21("3","2","5","2","4","5","5","1") = "4"
    & skf21("3","2","5","2","4","5","6","1") = "5"
    & skf21("3","2","5","2","4","5","7","1") = "6"
    & skf21("3","2","5","2","4","6","1","1") = "5"
    & skf21("3","2","5","2","4","6","2","1") = "5"
    & skf21("3","2","5","2","4","6","3","1") = "5"
    & skf21("3","2","5","2","4","6","4","1") = "5"
    & skf21("3","2","5","2","4","6","5","1") = "5"
    & skf21("3","2","5","2","4","6","6","1") = "5"
    & skf21("3","2","5","2","4","6","7","1") = "6"
    & skf21("3","2","5","2","4","7","1","1") = "6"
    & skf21("3","2","5","2","4","7","2","1") = "6"
    & skf21("3","2","5","2","4","7","3","1") = "6"
    & skf21("3","2","5","2","4","7","4","1") = "6"
    & skf21("3","2","5","2","4","7","5","1") = "6"
    & skf21("3","2","5","2","4","7","6","1") = "6"
    & skf21("3","2","5","2","4","7","7","1") = "6"
    & skf21("3","2","5","2","5","1","1","1") = "4"
    & skf21("3","2","5","2","5","1","2","1") = "4"
    & skf21("3","2","5","2","5","1","3","1") = "4"
    & skf21("3","2","5","2","5","1","4","1") = "4"
    & skf21("3","2","5","2","5","1","5","1") = "4"
    & skf21("3","2","5","2","5","1","6","1") = "5"
    & skf21("3","2","5","2","5","1","7","1") = "6"
    & skf21("3","2","5","2","5","2","1","1") = "4"
    & skf21("3","2","5","2","5","2","2","1") = "4"
    & skf21("3","2","5","2","5","2","3","1") = "4"
    & skf21("3","2","5","2","5","2","4","1") = "4"
    & skf21("3","2","5","2","5","2","5","1") = "4"
    & skf21("3","2","5","2","5","2","6","1") = "5"
    & skf21("3","2","5","2","5","2","7","1") = "6"
    & skf21("3","2","5","2","5","3","1","1") = "4"
    & skf21("3","2","5","2","5","3","2","1") = "4"
    & skf21("3","2","5","2","5","3","3","1") = "4"
    & skf21("3","2","5","2","5","3","4","1") = "4"
    & skf21("3","2","5","2","5","3","5","1") = "4"
    & skf21("3","2","5","2","5","3","6","1") = "5"
    & skf21("3","2","5","2","5","3","7","1") = "6"
    & skf21("3","2","5","2","5","4","1","1") = "4"
    & skf21("3","2","5","2","5","4","2","1") = "4"
    & skf21("3","2","5","2","5","4","3","1") = "4"
    & skf21("3","2","5","2","5","4","4","1") = "4"
    & skf21("3","2","5","2","5","4","5","1") = "4"
    & skf21("3","2","5","2","5","4","6","1") = "5"
    & skf21("3","2","5","2","5","4","7","1") = "6"
    & skf21("3","2","5","2","5","5","1","1") = "4"
    & skf21("3","2","5","2","5","5","2","1") = "4"
    & skf21("3","2","5","2","5","5","3","1") = "4"
    & skf21("3","2","5","2","5","5","4","1") = "4"
    & skf21("3","2","5","2","5","5","5","1") = "4"
    & skf21("3","2","5","2","5","5","6","1") = "5"
    & skf21("3","2","5","2","5","5","7","1") = "6"
    & skf21("3","2","5","2","5","6","1","1") = "5"
    & skf21("3","2","5","2","5","6","2","1") = "5"
    & skf21("3","2","5","2","5","6","3","1") = "5"
    & skf21("3","2","5","2","5","6","4","1") = "5"
    & skf21("3","2","5","2","5","6","5","1") = "5"
    & skf21("3","2","5","2","5","6","6","1") = "5"
    & skf21("3","2","5","2","5","6","7","1") = "6"
    & skf21("3","2","5","2","5","7","1","1") = "6"
    & skf21("3","2","5","2","5","7","2","1") = "6"
    & skf21("3","2","5","2","5","7","3","1") = "6"
    & skf21("3","2","5","2","5","7","4","1") = "6"
    & skf21("3","2","5","2","5","7","5","1") = "6"
    & skf21("3","2","5","2","5","7","6","1") = "6"
    & skf21("3","2","5","2","5","7","7","1") = "6"
    & skf21("3","2","5","2","6","1","1","1") = "5"
    & skf21("3","2","5","2","6","1","2","1") = "5"
    & skf21("3","2","5","2","6","1","3","1") = "5"
    & skf21("3","2","5","2","6","1","4","1") = "5"
    & skf21("3","2","5","2","6","1","5","1") = "5"
    & skf21("3","2","5","2","6","1","6","1") = "5"
    & skf21("3","2","5","2","6","1","7","1") = "6"
    & skf21("3","2","5","2","6","2","1","1") = "5"
    & skf21("3","2","5","2","6","2","2","1") = "5"
    & skf21("3","2","5","2","6","2","3","1") = "5"
    & skf21("3","2","5","2","6","2","4","1") = "5"
    & skf21("3","2","5","2","6","2","5","1") = "5"
    & skf21("3","2","5","2","6","2","6","1") = "5"
    & skf21("3","2","5","2","6","2","7","1") = "6"
    & skf21("3","2","5","2","6","3","1","1") = "5"
    & skf21("3","2","5","2","6","3","2","1") = "5"
    & skf21("3","2","5","2","6","3","3","1") = "5"
    & skf21("3","2","5","2","6","3","4","1") = "5"
    & skf21("3","2","5","2","6","3","5","1") = "5"
    & skf21("3","2","5","2","6","3","6","1") = "5"
    & skf21("3","2","5","2","6","3","7","1") = "6"
    & skf21("3","2","5","2","6","4","1","1") = "5"
    & skf21("3","2","5","2","6","4","2","1") = "5"
    & skf21("3","2","5","2","6","4","3","1") = "5"
    & skf21("3","2","5","2","6","4","4","1") = "5"
    & skf21("3","2","5","2","6","4","5","1") = "5"
    & skf21("3","2","5","2","6","4","6","1") = "5"
    & skf21("3","2","5","2","6","4","7","1") = "6"
    & skf21("3","2","5","2","6","5","1","1") = "5"
    & skf21("3","2","5","2","6","5","2","1") = "5"
    & skf21("3","2","5","2","6","5","3","1") = "5"
    & skf21("3","2","5","2","6","5","4","1") = "5"
    & skf21("3","2","5","2","6","5","5","1") = "5"
    & skf21("3","2","5","2","6","5","6","1") = "5"
    & skf21("3","2","5","2","6","5","7","1") = "6"
    & skf21("3","2","5","2","6","6","1","1") = "5"
    & skf21("3","2","5","2","6","6","2","1") = "5"
    & skf21("3","2","5","2","6","6","3","1") = "5"
    & skf21("3","2","5","2","6","6","4","1") = "5"
    & skf21("3","2","5","2","6","6","5","1") = "5"
    & skf21("3","2","5","2","6","6","6","1") = "5"
    & skf21("3","2","5","2","6","6","7","1") = "6"
    & skf21("3","2","5","2","6","7","1","1") = "6"
    & skf21("3","2","5","2","6","7","2","1") = "6"
    & skf21("3","2","5","2","6","7","3","1") = "6"
    & skf21("3","2","5","2","6","7","4","1") = "6"
    & skf21("3","2","5","2","6","7","5","1") = "6"
    & skf21("3","2","5","2","6","7","6","1") = "6"
    & skf21("3","2","5","2","6","7","7","1") = "6"
    & skf21("3","2","5","2","7","1","1","1") = "6"
    & skf21("3","2","5","2","7","1","2","1") = "6"
    & skf21("3","2","5","2","7","1","3","1") = "6"
    & skf21("3","2","5","2","7","1","4","1") = "6"
    & skf21("3","2","5","2","7","1","5","1") = "6"
    & skf21("3","2","5","2","7","1","6","1") = "6"
    & skf21("3","2","5","2","7","1","7","1") = "6"
    & skf21("3","2","5","2","7","2","1","1") = "6"
    & skf21("3","2","5","2","7","2","2","1") = "6"
    & skf21("3","2","5","2","7","2","3","1") = "6"
    & skf21("3","2","5","2","7","2","4","1") = "6"
    & skf21("3","2","5","2","7","2","5","1") = "6"
    & skf21("3","2","5","2","7","2","6","1") = "6"
    & skf21("3","2","5","2","7","2","7","1") = "6"
    & skf21("3","2","5","2","7","3","1","1") = "6"
    & skf21("3","2","5","2","7","3","2","1") = "6"
    & skf21("3","2","5","2","7","3","3","1") = "6"
    & skf21("3","2","5","2","7","3","4","1") = "6"
    & skf21("3","2","5","2","7","3","5","1") = "6"
    & skf21("3","2","5","2","7","3","6","1") = "6"
    & skf21("3","2","5","2","7","3","7","1") = "6"
    & skf21("3","2","5","2","7","4","1","1") = "6"
    & skf21("3","2","5","2","7","4","2","1") = "6"
    & skf21("3","2","5","2","7","4","3","1") = "6"
    & skf21("3","2","5","2","7","4","4","1") = "6"
    & skf21("3","2","5","2","7","4","5","1") = "6"
    & skf21("3","2","5","2","7","4","6","1") = "6"
    & skf21("3","2","5","2","7","4","7","1") = "6"
    & skf21("3","2","5","2","7","5","1","1") = "6"
    & skf21("3","2","5","2","7","5","2","1") = "6"
    & skf21("3","2","5","2","7","5","3","1") = "6"
    & skf21("3","2","5","2","7","5","4","1") = "6"
    & skf21("3","2","5","2","7","5","5","1") = "6"
    & skf21("3","2","5","2","7","5","6","1") = "6"
    & skf21("3","2","5","2","7","5","7","1") = "6"
    & skf21("3","2","5","2","7","6","1","1") = "6"
    & skf21("3","2","5","2","7","6","2","1") = "6"
    & skf21("3","2","5","2","7","6","3","1") = "6"
    & skf21("3","2","5","2","7","6","4","1") = "6"
    & skf21("3","2","5","2","7","6","5","1") = "6"
    & skf21("3","2","5","2","7","6","6","1") = "6"
    & skf21("3","2","5","2","7","6","7","1") = "6"
    & skf21("3","2","5","2","7","7","1","1") = "6"
    & skf21("3","2","5","2","7","7","2","1") = "6"
    & skf21("3","2","5","2","7","7","3","1") = "6"
    & skf21("3","2","5","2","7","7","4","1") = "6"
    & skf21("3","2","5","2","7","7","5","1") = "6"
    & skf21("3","2","5","2","7","7","6","1") = "6"
    & skf21("3","2","5","2","7","7","7","1") = "6"
    & skf21("3","2","5","3","1","1","1","1") = "4"
    & skf21("3","2","5","3","1","1","2","1") = "4"
    & skf21("3","2","5","3","1","1","3","1") = "4"
    & skf21("3","2","5","3","1","1","4","1") = "4"
    & skf21("3","2","5","3","1","1","5","1") = "4"
    & skf21("3","2","5","3","1","1","6","1") = "5"
    & skf21("3","2","5","3","1","1","7","1") = "6"
    & skf21("3","2","5","3","1","2","1","1") = "4"
    & skf21("3","2","5","3","1","2","2","1") = "4"
    & skf21("3","2","5","3","1","2","3","1") = "4"
    & skf21("3","2","5","3","1","2","4","1") = "4"
    & skf21("3","2","5","3","1","2","5","1") = "4"
    & skf21("3","2","5","3","1","2","6","1") = "5"
    & skf21("3","2","5","3","1","2","7","1") = "6"
    & skf21("3","2","5","3","1","3","1","1") = "4"
    & skf21("3","2","5","3","1","3","2","1") = "4"
    & skf21("3","2","5","3","1","3","3","1") = "4"
    & skf21("3","2","5","3","1","3","4","1") = "4"
    & skf21("3","2","5","3","1","3","5","1") = "4"
    & skf21("3","2","5","3","1","3","6","1") = "5"
    & skf21("3","2","5","3","1","3","7","1") = "6"
    & skf21("3","2","5","3","1","4","1","1") = "4"
    & skf21("3","2","5","3","1","4","2","1") = "4"
    & skf21("3","2","5","3","1","4","3","1") = "4"
    & skf21("3","2","5","3","1","4","4","1") = "4"
    & skf21("3","2","5","3","1","4","5","1") = "4"
    & skf21("3","2","5","3","1","4","6","1") = "5"
    & skf21("3","2","5","3","1","4","7","1") = "6"
    & skf21("3","2","5","3","1","5","1","1") = "4"
    & skf21("3","2","5","3","1","5","2","1") = "4"
    & skf21("3","2","5","3","1","5","3","1") = "4"
    & skf21("3","2","5","3","1","5","4","1") = "4"
    & skf21("3","2","5","3","1","5","5","1") = "4"
    & skf21("3","2","5","3","1","5","6","1") = "5"
    & skf21("3","2","5","3","1","5","7","1") = "6"
    & skf21("3","2","5","3","1","6","1","1") = "5"
    & skf21("3","2","5","3","1","6","2","1") = "5"
    & skf21("3","2","5","3","1","6","3","1") = "5"
    & skf21("3","2","5","3","1","6","4","1") = "5"
    & skf21("3","2","5","3","1","6","5","1") = "5"
    & skf21("3","2","5","3","1","6","6","1") = "5"
    & skf21("3","2","5","3","1","6","7","1") = "6"
    & skf21("3","2","5","3","1","7","1","1") = "6"
    & skf21("3","2","5","3","1","7","2","1") = "6"
    & skf21("3","2","5","3","1","7","3","1") = "6"
    & skf21("3","2","5","3","1","7","4","1") = "6"
    & skf21("3","2","5","3","1","7","5","1") = "6"
    & skf21("3","2","5","3","1","7","6","1") = "6"
    & skf21("3","2","5","3","1","7","7","1") = "6"
    & skf21("3","2","5","3","2","1","1","1") = "4"
    & skf21("3","2","5","3","2","1","2","1") = "4"
    & skf21("3","2","5","3","2","1","3","1") = "4"
    & skf21("3","2","5","3","2","1","4","1") = "4"
    & skf21("3","2","5","3","2","1","5","1") = "4"
    & skf21("3","2","5","3","2","1","6","1") = "5"
    & skf21("3","2","5","3","2","1","7","1") = "6"
    & skf21("3","2","5","3","2","2","1","1") = "4"
    & skf21("3","2","5","3","2","2","2","1") = "4"
    & skf21("3","2","5","3","2","2","3","1") = "4"
    & skf21("3","2","5","3","2","2","4","1") = "4"
    & skf21("3","2","5","3","2","2","5","1") = "4"
    & skf21("3","2","5","3","2","2","6","1") = "5"
    & skf21("3","2","5","3","2","2","7","1") = "6"
    & skf21("3","2","5","3","2","3","1","1") = "4"
    & skf21("3","2","5","3","2","3","2","1") = "4"
    & skf21("3","2","5","3","2","3","3","1") = "4"
    & skf21("3","2","5","3","2","3","4","1") = "4"
    & skf21("3","2","5","3","2","3","5","1") = "4"
    & skf21("3","2","5","3","2","3","6","1") = "5"
    & skf21("3","2","5","3","2","3","7","1") = "6"
    & skf21("3","2","5","3","2","4","1","1") = "4"
    & skf21("3","2","5","3","2","4","2","1") = "4"
    & skf21("3","2","5","3","2","4","3","1") = "4"
    & skf21("3","2","5","3","2","4","4","1") = "4"
    & skf21("3","2","5","3","2","4","5","1") = "4"
    & skf21("3","2","5","3","2","4","6","1") = "5"
    & skf21("3","2","5","3","2","4","7","1") = "6"
    & skf21("3","2","5","3","2","5","1","1") = "4"
    & skf21("3","2","5","3","2","5","2","1") = "4"
    & skf21("3","2","5","3","2","5","3","1") = "4"
    & skf21("3","2","5","3","2","5","4","1") = "4"
    & skf21("3","2","5","3","2","5","5","1") = "4"
    & skf21("3","2","5","3","2","5","6","1") = "5"
    & skf21("3","2","5","3","2","5","7","1") = "6"
    & skf21("3","2","5","3","2","6","1","1") = "5"
    & skf21("3","2","5","3","2","6","2","1") = "5"
    & skf21("3","2","5","3","2","6","3","1") = "5"
    & skf21("3","2","5","3","2","6","4","1") = "5"
    & skf21("3","2","5","3","2","6","5","1") = "5"
    & skf21("3","2","5","3","2","6","6","1") = "5"
    & skf21("3","2","5","3","2","6","7","1") = "6"
    & skf21("3","2","5","3","2","7","1","1") = "6"
    & skf21("3","2","5","3","2","7","2","1") = "6"
    & skf21("3","2","5","3","2","7","3","1") = "6"
    & skf21("3","2","5","3","2","7","4","1") = "6"
    & skf21("3","2","5","3","2","7","5","1") = "6"
    & skf21("3","2","5","3","2","7","6","1") = "6"
    & skf21("3","2","5","3","2","7","7","1") = "6"
    & skf21("3","2","5","3","3","1","1","1") = "4"
    & skf21("3","2","5","3","3","1","2","1") = "4"
    & skf21("3","2","5","3","3","1","3","1") = "4"
    & skf21("3","2","5","3","3","1","4","1") = "4"
    & skf21("3","2","5","3","3","1","5","1") = "4"
    & skf21("3","2","5","3","3","1","6","1") = "5"
    & skf21("3","2","5","3","3","1","7","1") = "6"
    & skf21("3","2","5","3","3","2","1","1") = "4"
    & skf21("3","2","5","3","3","2","2","1") = "4"
    & skf21("3","2","5","3","3","2","3","1") = "4"
    & skf21("3","2","5","3","3","2","4","1") = "4"
    & skf21("3","2","5","3","3","2","5","1") = "4"
    & skf21("3","2","5","3","3","2","6","1") = "5"
    & skf21("3","2","5","3","3","2","7","1") = "6"
    & skf21("3","2","5","3","3","3","1","1") = "4"
    & skf21("3","2","5","3","3","3","2","1") = "4"
    & skf21("3","2","5","3","3","3","3","1") = "4"
    & skf21("3","2","5","3","3","3","4","1") = "4"
    & skf21("3","2","5","3","3","3","5","1") = "4"
    & skf21("3","2","5","3","3","3","6","1") = "5"
    & skf21("3","2","5","3","3","3","7","1") = "6"
    & skf21("3","2","5","3","3","4","1","1") = "4"
    & skf21("3","2","5","3","3","4","2","1") = "4"
    & skf21("3","2","5","3","3","4","3","1") = "4"
    & skf21("3","2","5","3","3","4","4","1") = "4"
    & skf21("3","2","5","3","3","4","5","1") = "4"
    & skf21("3","2","5","3","3","4","6","1") = "5"
    & skf21("3","2","5","3","3","4","7","1") = "6"
    & skf21("3","2","5","3","3","5","1","1") = "4"
    & skf21("3","2","5","3","3","5","2","1") = "4"
    & skf21("3","2","5","3","3","5","3","1") = "4"
    & skf21("3","2","5","3","3","5","4","1") = "4"
    & skf21("3","2","5","3","3","5","5","1") = "4"
    & skf21("3","2","5","3","3","5","6","1") = "5"
    & skf21("3","2","5","3","3","5","7","1") = "6"
    & skf21("3","2","5","3","3","6","1","1") = "5"
    & skf21("3","2","5","3","3","6","2","1") = "5"
    & skf21("3","2","5","3","3","6","3","1") = "5"
    & skf21("3","2","5","3","3","6","4","1") = "5"
    & skf21("3","2","5","3","3","6","5","1") = "5"
    & skf21("3","2","5","3","3","6","6","1") = "5"
    & skf21("3","2","5","3","3","6","7","1") = "6"
    & skf21("3","2","5","3","3","7","1","1") = "6"
    & skf21("3","2","5","3","3","7","2","1") = "6"
    & skf21("3","2","5","3","3","7","3","1") = "6"
    & skf21("3","2","5","3","3","7","4","1") = "6"
    & skf21("3","2","5","3","3","7","5","1") = "6"
    & skf21("3","2","5","3","3","7","6","1") = "6"
    & skf21("3","2","5","3","3","7","7","1") = "6"
    & skf21("3","2","5","3","4","1","1","1") = "4"
    & skf21("3","2","5","3","4","1","2","1") = "4"
    & skf21("3","2","5","3","4","1","3","1") = "4"
    & skf21("3","2","5","3","4","1","4","1") = "4"
    & skf21("3","2","5","3","4","1","5","1") = "4"
    & skf21("3","2","5","3","4","1","6","1") = "5"
    & skf21("3","2","5","3","4","1","7","1") = "6"
    & skf21("3","2","5","3","4","2","1","1") = "4"
    & skf21("3","2","5","3","4","2","2","1") = "4"
    & skf21("3","2","5","3","4","2","3","1") = "4"
    & skf21("3","2","5","3","4","2","4","1") = "4"
    & skf21("3","2","5","3","4","2","5","1") = "4"
    & skf21("3","2","5","3","4","2","6","1") = "5"
    & skf21("3","2","5","3","4","2","7","1") = "6"
    & skf21("3","2","5","3","4","3","1","1") = "4"
    & skf21("3","2","5","3","4","3","2","1") = "4"
    & skf21("3","2","5","3","4","3","3","1") = "4"
    & skf21("3","2","5","3","4","3","4","1") = "4"
    & skf21("3","2","5","3","4","3","5","1") = "4"
    & skf21("3","2","5","3","4","3","6","1") = "5"
    & skf21("3","2","5","3","4","3","7","1") = "6"
    & skf21("3","2","5","3","4","4","1","1") = "4"
    & skf21("3","2","5","3","4","4","2","1") = "4"
    & skf21("3","2","5","3","4","4","3","1") = "4"
    & skf21("3","2","5","3","4","4","4","1") = "4"
    & skf21("3","2","5","3","4","4","5","1") = "4"
    & skf21("3","2","5","3","4","4","6","1") = "5"
    & skf21("3","2","5","3","4","4","7","1") = "6"
    & skf21("3","2","5","3","4","5","1","1") = "4"
    & skf21("3","2","5","3","4","5","2","1") = "4"
    & skf21("3","2","5","3","4","5","3","1") = "4"
    & skf21("3","2","5","3","4","5","4","1") = "4"
    & skf21("3","2","5","3","4","5","5","1") = "4"
    & skf21("3","2","5","3","4","5","6","1") = "5"
    & skf21("3","2","5","3","4","5","7","1") = "6"
    & skf21("3","2","5","3","4","6","1","1") = "5"
    & skf21("3","2","5","3","4","6","2","1") = "5"
    & skf21("3","2","5","3","4","6","3","1") = "5"
    & skf21("3","2","5","3","4","6","4","1") = "5"
    & skf21("3","2","5","3","4","6","5","1") = "5"
    & skf21("3","2","5","3","4","6","6","1") = "5"
    & skf21("3","2","5","3","4","6","7","1") = "6"
    & skf21("3","2","5","3","4","7","1","1") = "6"
    & skf21("3","2","5","3","4","7","2","1") = "6"
    & skf21("3","2","5","3","4","7","3","1") = "6"
    & skf21("3","2","5","3","4","7","4","1") = "6"
    & skf21("3","2","5","3","4","7","5","1") = "6"
    & skf21("3","2","5","3","4","7","6","1") = "6"
    & skf21("3","2","5","3","4","7","7","1") = "6"
    & skf21("3","2","5","3","5","1","1","1") = "4"
    & skf21("3","2","5","3","5","1","2","1") = "4"
    & skf21("3","2","5","3","5","1","3","1") = "4"
    & skf21("3","2","5","3","5","1","4","1") = "4"
    & skf21("3","2","5","3","5","1","5","1") = "4"
    & skf21("3","2","5","3","5","1","6","1") = "5"
    & skf21("3","2","5","3","5","1","7","1") = "6"
    & skf21("3","2","5","3","5","2","1","1") = "4"
    & skf21("3","2","5","3","5","2","2","1") = "4"
    & skf21("3","2","5","3","5","2","3","1") = "4"
    & skf21("3","2","5","3","5","2","4","1") = "4"
    & skf21("3","2","5","3","5","2","5","1") = "4"
    & skf21("3","2","5","3","5","2","6","1") = "5"
    & skf21("3","2","5","3","5","2","7","1") = "6"
    & skf21("3","2","5","3","5","3","1","1") = "4"
    & skf21("3","2","5","3","5","3","2","1") = "4"
    & skf21("3","2","5","3","5","3","3","1") = "4"
    & skf21("3","2","5","3","5","3","4","1") = "4"
    & skf21("3","2","5","3","5","3","5","1") = "4"
    & skf21("3","2","5","3","5","3","6","1") = "5"
    & skf21("3","2","5","3","5","3","7","1") = "6"
    & skf21("3","2","5","3","5","4","1","1") = "4"
    & skf21("3","2","5","3","5","4","2","1") = "4"
    & skf21("3","2","5","3","5","4","3","1") = "4"
    & skf21("3","2","5","3","5","4","4","1") = "4"
    & skf21("3","2","5","3","5","4","5","1") = "4"
    & skf21("3","2","5","3","5","4","6","1") = "5"
    & skf21("3","2","5","3","5","4","7","1") = "6"
    & skf21("3","2","5","3","5","5","1","1") = "4"
    & skf21("3","2","5","3","5","5","2","1") = "4"
    & skf21("3","2","5","3","5","5","3","1") = "4"
    & skf21("3","2","5","3","5","5","4","1") = "4"
    & skf21("3","2","5","3","5","5","5","1") = "4"
    & skf21("3","2","5","3","5","5","6","1") = "5"
    & skf21("3","2","5","3","5","5","7","1") = "6"
    & skf21("3","2","5","3","5","6","1","1") = "5"
    & skf21("3","2","5","3","5","6","2","1") = "5"
    & skf21("3","2","5","3","5","6","3","1") = "5"
    & skf21("3","2","5","3","5","6","4","1") = "5"
    & skf21("3","2","5","3","5","6","5","1") = "5"
    & skf21("3","2","5","3","5","6","6","1") = "5"
    & skf21("3","2","5","3","5","6","7","1") = "6"
    & skf21("3","2","5","3","5","7","1","1") = "6"
    & skf21("3","2","5","3","5","7","2","1") = "6"
    & skf21("3","2","5","3","5","7","3","1") = "6"
    & skf21("3","2","5","3","5","7","4","1") = "6"
    & skf21("3","2","5","3","5","7","5","1") = "6"
    & skf21("3","2","5","3","5","7","6","1") = "6"
    & skf21("3","2","5","3","5","7","7","1") = "6"
    & skf21("3","2","5","3","6","1","1","1") = "5"
    & skf21("3","2","5","3","6","1","2","1") = "5"
    & skf21("3","2","5","3","6","1","3","1") = "5"
    & skf21("3","2","5","3","6","1","4","1") = "5"
    & skf21("3","2","5","3","6","1","5","1") = "5"
    & skf21("3","2","5","3","6","1","6","1") = "5"
    & skf21("3","2","5","3","6","1","7","1") = "6"
    & skf21("3","2","5","3","6","2","1","1") = "5"
    & skf21("3","2","5","3","6","2","2","1") = "5"
    & skf21("3","2","5","3","6","2","3","1") = "5"
    & skf21("3","2","5","3","6","2","4","1") = "5"
    & skf21("3","2","5","3","6","2","5","1") = "5"
    & skf21("3","2","5","3","6","2","6","1") = "5"
    & skf21("3","2","5","3","6","2","7","1") = "6"
    & skf21("3","2","5","3","6","3","1","1") = "5"
    & skf21("3","2","5","3","6","3","2","1") = "5"
    & skf21("3","2","5","3","6","3","3","1") = "5"
    & skf21("3","2","5","3","6","3","4","1") = "5"
    & skf21("3","2","5","3","6","3","5","1") = "5"
    & skf21("3","2","5","3","6","3","6","1") = "5"
    & skf21("3","2","5","3","6","3","7","1") = "6"
    & skf21("3","2","5","3","6","4","1","1") = "5"
    & skf21("3","2","5","3","6","4","2","1") = "5"
    & skf21("3","2","5","3","6","4","3","1") = "5"
    & skf21("3","2","5","3","6","4","4","1") = "5"
    & skf21("3","2","5","3","6","4","5","1") = "5"
    & skf21("3","2","5","3","6","4","6","1") = "5"
    & skf21("3","2","5","3","6","4","7","1") = "6"
    & skf21("3","2","5","3","6","5","1","1") = "5"
    & skf21("3","2","5","3","6","5","2","1") = "5"
    & skf21("3","2","5","3","6","5","3","1") = "5"
    & skf21("3","2","5","3","6","5","4","1") = "5"
    & skf21("3","2","5","3","6","5","5","1") = "5"
    & skf21("3","2","5","3","6","5","6","1") = "5"
    & skf21("3","2","5","3","6","5","7","1") = "6"
    & skf21("3","2","5","3","6","6","1","1") = "5"
    & skf21("3","2","5","3","6","6","2","1") = "5"
    & skf21("3","2","5","3","6","6","3","1") = "5"
    & skf21("3","2","5","3","6","6","4","1") = "5"
    & skf21("3","2","5","3","6","6","5","1") = "5"
    & skf21("3","2","5","3","6","6","6","1") = "5"
    & skf21("3","2","5","3","6","6","7","1") = "6"
    & skf21("3","2","5","3","6","7","1","1") = "6"
    & skf21("3","2","5","3","6","7","2","1") = "6"
    & skf21("3","2","5","3","6","7","3","1") = "6"
    & skf21("3","2","5","3","6","7","4","1") = "6"
    & skf21("3","2","5","3","6","7","5","1") = "6"
    & skf21("3","2","5","3","6","7","6","1") = "6"
    & skf21("3","2","5","3","6","7","7","1") = "6"
    & skf21("3","2","5","3","7","1","1","1") = "6"
    & skf21("3","2","5","3","7","1","2","1") = "6"
    & skf21("3","2","5","3","7","1","3","1") = "6"
    & skf21("3","2","5","3","7","1","4","1") = "6"
    & skf21("3","2","5","3","7","1","5","1") = "6"
    & skf21("3","2","5","3","7","1","6","1") = "6"
    & skf21("3","2","5","3","7","1","7","1") = "6"
    & skf21("3","2","5","3","7","2","1","1") = "6"
    & skf21("3","2","5","3","7","2","2","1") = "6"
    & skf21("3","2","5","3","7","2","3","1") = "6"
    & skf21("3","2","5","3","7","2","4","1") = "6"
    & skf21("3","2","5","3","7","2","5","1") = "6"
    & skf21("3","2","5","3","7","2","6","1") = "6"
    & skf21("3","2","5","3","7","2","7","1") = "6"
    & skf21("3","2","5","3","7","3","1","1") = "6"
    & skf21("3","2","5","3","7","3","2","1") = "6"
    & skf21("3","2","5","3","7","3","3","1") = "6"
    & skf21("3","2","5","3","7","3","4","1") = "6"
    & skf21("3","2","5","3","7","3","5","1") = "6"
    & skf21("3","2","5","3","7","3","6","1") = "6"
    & skf21("3","2","5","3","7","3","7","1") = "6"
    & skf21("3","2","5","3","7","4","1","1") = "6"
    & skf21("3","2","5","3","7","4","2","1") = "6"
    & skf21("3","2","5","3","7","4","3","1") = "6"
    & skf21("3","2","5","3","7","4","4","1") = "6"
    & skf21("3","2","5","3","7","4","5","1") = "6"
    & skf21("3","2","5","3","7","4","6","1") = "6"
    & skf21("3","2","5","3","7","4","7","1") = "6"
    & skf21("3","2","5","3","7","5","1","1") = "6"
    & skf21("3","2","5","3","7","5","2","1") = "6"
    & skf21("3","2","5","3","7","5","3","1") = "6"
    & skf21("3","2","5","3","7","5","4","1") = "6"
    & skf21("3","2","5","3","7","5","5","1") = "6"
    & skf21("3","2","5","3","7","5","6","1") = "6"
    & skf21("3","2","5","3","7","5","7","1") = "6"
    & skf21("3","2","5","3","7","6","1","1") = "6"
    & skf21("3","2","5","3","7","6","2","1") = "6"
    & skf21("3","2","5","3","7","6","3","1") = "6"
    & skf21("3","2","5","3","7","6","4","1") = "6"
    & skf21("3","2","5","3","7","6","5","1") = "6"
    & skf21("3","2","5","3","7","6","6","1") = "6"
    & skf21("3","2","5","3","7","6","7","1") = "6"
    & skf21("3","2","5","3","7","7","1","1") = "6"
    & skf21("3","2","5","3","7","7","2","1") = "6"
    & skf21("3","2","5","3","7","7","3","1") = "6"
    & skf21("3","2","5","3","7","7","4","1") = "6"
    & skf21("3","2","5","3","7","7","5","1") = "6"
    & skf21("3","2","5","3","7","7","6","1") = "6"
    & skf21("3","2","5","3","7","7","7","1") = "6"
    & skf21("3","2","5","4","1","1","1","1") = "4"
    & skf21("3","2","5","4","1","1","2","1") = "4"
    & skf21("3","2","5","4","1","1","3","1") = "4"
    & skf21("3","2","5","4","1","1","4","1") = "4"
    & skf21("3","2","5","4","1","1","5","1") = "4"
    & skf21("3","2","5","4","1","1","6","1") = "5"
    & skf21("3","2","5","4","1","1","7","1") = "6"
    & skf21("3","2","5","4","1","2","1","1") = "4"
    & skf21("3","2","5","4","1","2","2","1") = "4"
    & skf21("3","2","5","4","1","2","3","1") = "4"
    & skf21("3","2","5","4","1","2","4","1") = "4"
    & skf21("3","2","5","4","1","2","5","1") = "4"
    & skf21("3","2","5","4","1","2","6","1") = "5"
    & skf21("3","2","5","4","1","2","7","1") = "6"
    & skf21("3","2","5","4","1","3","1","1") = "4"
    & skf21("3","2","5","4","1","3","2","1") = "4"
    & skf21("3","2","5","4","1","3","3","1") = "4"
    & skf21("3","2","5","4","1","3","4","1") = "4"
    & skf21("3","2","5","4","1","3","5","1") = "4"
    & skf21("3","2","5","4","1","3","6","1") = "5"
    & skf21("3","2","5","4","1","3","7","1") = "6"
    & skf21("3","2","5","4","1","4","1","1") = "4"
    & skf21("3","2","5","4","1","4","2","1") = "4"
    & skf21("3","2","5","4","1","4","3","1") = "4"
    & skf21("3","2","5","4","1","4","4","1") = "4"
    & skf21("3","2","5","4","1","4","5","1") = "4"
    & skf21("3","2","5","4","1","4","6","1") = "5"
    & skf21("3","2","5","4","1","4","7","1") = "6"
    & skf21("3","2","5","4","1","5","1","1") = "4"
    & skf21("3","2","5","4","1","5","2","1") = "4"
    & skf21("3","2","5","4","1","5","3","1") = "4"
    & skf21("3","2","5","4","1","5","4","1") = "4"
    & skf21("3","2","5","4","1","5","5","1") = "4"
    & skf21("3","2","5","4","1","5","6","1") = "5"
    & skf21("3","2","5","4","1","5","7","1") = "6"
    & skf21("3","2","5","4","1","6","1","1") = "5"
    & skf21("3","2","5","4","1","6","2","1") = "5"
    & skf21("3","2","5","4","1","6","3","1") = "5"
    & skf21("3","2","5","4","1","6","4","1") = "5"
    & skf21("3","2","5","4","1","6","5","1") = "5"
    & skf21("3","2","5","4","1","6","6","1") = "5"
    & skf21("3","2","5","4","1","6","7","1") = "6"
    & skf21("3","2","5","4","1","7","1","1") = "6"
    & skf21("3","2","5","4","1","7","2","1") = "6"
    & skf21("3","2","5","4","1","7","3","1") = "6"
    & skf21("3","2","5","4","1","7","4","1") = "6"
    & skf21("3","2","5","4","1","7","5","1") = "6"
    & skf21("3","2","5","4","1","7","6","1") = "6"
    & skf21("3","2","5","4","1","7","7","1") = "6"
    & skf21("3","2","5","4","2","1","1","1") = "4"
    & skf21("3","2","5","4","2","1","2","1") = "4"
    & skf21("3","2","5","4","2","1","3","1") = "4"
    & skf21("3","2","5","4","2","1","4","1") = "4"
    & skf21("3","2","5","4","2","1","5","1") = "4"
    & skf21("3","2","5","4","2","1","6","1") = "5"
    & skf21("3","2","5","4","2","1","7","1") = "6"
    & skf21("3","2","5","4","2","2","1","1") = "4"
    & skf21("3","2","5","4","2","2","2","1") = "4"
    & skf21("3","2","5","4","2","2","3","1") = "4"
    & skf21("3","2","5","4","2","2","4","1") = "4"
    & skf21("3","2","5","4","2","2","5","1") = "4"
    & skf21("3","2","5","4","2","2","6","1") = "5"
    & skf21("3","2","5","4","2","2","7","1") = "6"
    & skf21("3","2","5","4","2","3","1","1") = "4"
    & skf21("3","2","5","4","2","3","2","1") = "4"
    & skf21("3","2","5","4","2","3","3","1") = "4"
    & skf21("3","2","5","4","2","3","4","1") = "4"
    & skf21("3","2","5","4","2","3","5","1") = "4"
    & skf21("3","2","5","4","2","3","6","1") = "5"
    & skf21("3","2","5","4","2","3","7","1") = "6"
    & skf21("3","2","5","4","2","4","1","1") = "4"
    & skf21("3","2","5","4","2","4","2","1") = "4"
    & skf21("3","2","5","4","2","4","3","1") = "4"
    & skf21("3","2","5","4","2","4","4","1") = "4"
    & skf21("3","2","5","4","2","4","5","1") = "4"
    & skf21("3","2","5","4","2","4","6","1") = "5"
    & skf21("3","2","5","4","2","4","7","1") = "6"
    & skf21("3","2","5","4","2","5","1","1") = "4"
    & skf21("3","2","5","4","2","5","2","1") = "4"
    & skf21("3","2","5","4","2","5","3","1") = "4"
    & skf21("3","2","5","4","2","5","4","1") = "4"
    & skf21("3","2","5","4","2","5","5","1") = "4"
    & skf21("3","2","5","4","2","5","6","1") = "5"
    & skf21("3","2","5","4","2","5","7","1") = "6"
    & skf21("3","2","5","4","2","6","1","1") = "5"
    & skf21("3","2","5","4","2","6","2","1") = "5"
    & skf21("3","2","5","4","2","6","3","1") = "5"
    & skf21("3","2","5","4","2","6","4","1") = "5"
    & skf21("3","2","5","4","2","6","5","1") = "5"
    & skf21("3","2","5","4","2","6","6","1") = "5"
    & skf21("3","2","5","4","2","6","7","1") = "6"
    & skf21("3","2","5","4","2","7","1","1") = "6"
    & skf21("3","2","5","4","2","7","2","1") = "6"
    & skf21("3","2","5","4","2","7","3","1") = "6"
    & skf21("3","2","5","4","2","7","4","1") = "6"
    & skf21("3","2","5","4","2","7","5","1") = "6"
    & skf21("3","2","5","4","2","7","6","1") = "6"
    & skf21("3","2","5","4","2","7","7","1") = "6"
    & skf21("3","2","5","4","3","1","1","1") = "4"
    & skf21("3","2","5","4","3","1","2","1") = "4"
    & skf21("3","2","5","4","3","1","3","1") = "4"
    & skf21("3","2","5","4","3","1","4","1") = "4"
    & skf21("3","2","5","4","3","1","5","1") = "4"
    & skf21("3","2","5","4","3","1","6","1") = "5"
    & skf21("3","2","5","4","3","1","7","1") = "6"
    & skf21("3","2","5","4","3","2","1","1") = "4"
    & skf21("3","2","5","4","3","2","2","1") = "4"
    & skf21("3","2","5","4","3","2","3","1") = "4"
    & skf21("3","2","5","4","3","2","4","1") = "4"
    & skf21("3","2","5","4","3","2","5","1") = "4"
    & skf21("3","2","5","4","3","2","6","1") = "5"
    & skf21("3","2","5","4","3","2","7","1") = "6"
    & skf21("3","2","5","4","3","3","1","1") = "4"
    & skf21("3","2","5","4","3","3","2","1") = "4"
    & skf21("3","2","5","4","3","3","3","1") = "4"
    & skf21("3","2","5","4","3","3","4","1") = "4"
    & skf21("3","2","5","4","3","3","5","1") = "4"
    & skf21("3","2","5","4","3","3","6","1") = "5"
    & skf21("3","2","5","4","3","3","7","1") = "6"
    & skf21("3","2","5","4","3","4","1","1") = "4"
    & skf21("3","2","5","4","3","4","2","1") = "4"
    & skf21("3","2","5","4","3","4","3","1") = "4"
    & skf21("3","2","5","4","3","4","4","1") = "4"
    & skf21("3","2","5","4","3","4","5","1") = "4"
    & skf21("3","2","5","4","3","4","6","1") = "5"
    & skf21("3","2","5","4","3","4","7","1") = "6"
    & skf21("3","2","5","4","3","5","1","1") = "4"
    & skf21("3","2","5","4","3","5","2","1") = "4"
    & skf21("3","2","5","4","3","5","3","1") = "4"
    & skf21("3","2","5","4","3","5","4","1") = "4"
    & skf21("3","2","5","4","3","5","5","1") = "4"
    & skf21("3","2","5","4","3","5","6","1") = "5"
    & skf21("3","2","5","4","3","5","7","1") = "6"
    & skf21("3","2","5","4","3","6","1","1") = "5"
    & skf21("3","2","5","4","3","6","2","1") = "5"
    & skf21("3","2","5","4","3","6","3","1") = "5"
    & skf21("3","2","5","4","3","6","4","1") = "5"
    & skf21("3","2","5","4","3","6","5","1") = "5"
    & skf21("3","2","5","4","3","6","6","1") = "5"
    & skf21("3","2","5","4","3","6","7","1") = "6"
    & skf21("3","2","5","4","3","7","1","1") = "6"
    & skf21("3","2","5","4","3","7","2","1") = "6"
    & skf21("3","2","5","4","3","7","3","1") = "6"
    & skf21("3","2","5","4","3","7","4","1") = "6"
    & skf21("3","2","5","4","3","7","5","1") = "6"
    & skf21("3","2","5","4","3","7","6","1") = "6"
    & skf21("3","2","5","4","3","7","7","1") = "6"
    & skf21("3","2","5","4","4","1","1","1") = "4"
    & skf21("3","2","5","4","4","1","2","1") = "4"
    & skf21("3","2","5","4","4","1","3","1") = "4"
    & skf21("3","2","5","4","4","1","4","1") = "4"
    & skf21("3","2","5","4","4","1","5","1") = "4"
    & skf21("3","2","5","4","4","1","6","1") = "5"
    & skf21("3","2","5","4","4","1","7","1") = "6"
    & skf21("3","2","5","4","4","2","1","1") = "4"
    & skf21("3","2","5","4","4","2","2","1") = "4"
    & skf21("3","2","5","4","4","2","3","1") = "4"
    & skf21("3","2","5","4","4","2","4","1") = "4"
    & skf21("3","2","5","4","4","2","5","1") = "4"
    & skf21("3","2","5","4","4","2","6","1") = "5"
    & skf21("3","2","5","4","4","2","7","1") = "6"
    & skf21("3","2","5","4","4","3","1","1") = "4"
    & skf21("3","2","5","4","4","3","2","1") = "4"
    & skf21("3","2","5","4","4","3","3","1") = "4"
    & skf21("3","2","5","4","4","3","4","1") = "4"
    & skf21("3","2","5","4","4","3","5","1") = "4"
    & skf21("3","2","5","4","4","3","6","1") = "5"
    & skf21("3","2","5","4","4","3","7","1") = "6"
    & skf21("3","2","5","4","4","4","1","1") = "4"
    & skf21("3","2","5","4","4","4","2","1") = "4"
    & skf21("3","2","5","4","4","4","3","1") = "4"
    & skf21("3","2","5","4","4","4","4","1") = "4"
    & skf21("3","2","5","4","4","4","5","1") = "4"
    & skf21("3","2","5","4","4","4","6","1") = "5"
    & skf21("3","2","5","4","4","4","7","1") = "6"
    & skf21("3","2","5","4","4","5","1","1") = "4"
    & skf21("3","2","5","4","4","5","2","1") = "4"
    & skf21("3","2","5","4","4","5","3","1") = "4"
    & skf21("3","2","5","4","4","5","4","1") = "4"
    & skf21("3","2","5","4","4","5","5","1") = "4"
    & skf21("3","2","5","4","4","5","6","1") = "5"
    & skf21("3","2","5","4","4","5","7","1") = "6"
    & skf21("3","2","5","4","4","6","1","1") = "5"
    & skf21("3","2","5","4","4","6","2","1") = "5"
    & skf21("3","2","5","4","4","6","3","1") = "5"
    & skf21("3","2","5","4","4","6","4","1") = "5"
    & skf21("3","2","5","4","4","6","5","1") = "5"
    & skf21("3","2","5","4","4","6","6","1") = "5"
    & skf21("3","2","5","4","4","6","7","1") = "6"
    & skf21("3","2","5","4","4","7","1","1") = "6"
    & skf21("3","2","5","4","4","7","2","1") = "6"
    & skf21("3","2","5","4","4","7","3","1") = "6"
    & skf21("3","2","5","4","4","7","4","1") = "6"
    & skf21("3","2","5","4","4","7","5","1") = "6"
    & skf21("3","2","5","4","4","7","6","1") = "6"
    & skf21("3","2","5","4","4","7","7","1") = "6"
    & skf21("3","2","5","4","5","1","1","1") = "4"
    & skf21("3","2","5","4","5","1","2","1") = "4"
    & skf21("3","2","5","4","5","1","3","1") = "4"
    & skf21("3","2","5","4","5","1","4","1") = "4"
    & skf21("3","2","5","4","5","1","5","1") = "4"
    & skf21("3","2","5","4","5","1","6","1") = "5"
    & skf21("3","2","5","4","5","1","7","1") = "6"
    & skf21("3","2","5","4","5","2","1","1") = "4"
    & skf21("3","2","5","4","5","2","2","1") = "4"
    & skf21("3","2","5","4","5","2","3","1") = "4"
    & skf21("3","2","5","4","5","2","4","1") = "4"
    & skf21("3","2","5","4","5","2","5","1") = "4"
    & skf21("3","2","5","4","5","2","6","1") = "5"
    & skf21("3","2","5","4","5","2","7","1") = "6"
    & skf21("3","2","5","4","5","3","1","1") = "4"
    & skf21("3","2","5","4","5","3","2","1") = "4"
    & skf21("3","2","5","4","5","3","3","1") = "4"
    & skf21("3","2","5","4","5","3","4","1") = "4"
    & skf21("3","2","5","4","5","3","5","1") = "4"
    & skf21("3","2","5","4","5","3","6","1") = "5"
    & skf21("3","2","5","4","5","3","7","1") = "6"
    & skf21("3","2","5","4","5","4","1","1") = "4"
    & skf21("3","2","5","4","5","4","2","1") = "4"
    & skf21("3","2","5","4","5","4","3","1") = "4"
    & skf21("3","2","5","4","5","4","4","1") = "4"
    & skf21("3","2","5","4","5","4","5","1") = "4"
    & skf21("3","2","5","4","5","4","6","1") = "5"
    & skf21("3","2","5","4","5","4","7","1") = "6"
    & skf21("3","2","5","4","5","5","1","1") = "4"
    & skf21("3","2","5","4","5","5","2","1") = "4"
    & skf21("3","2","5","4","5","5","3","1") = "4"
    & skf21("3","2","5","4","5","5","4","1") = "4"
    & skf21("3","2","5","4","5","5","5","1") = "4"
    & skf21("3","2","5","4","5","5","6","1") = "5"
    & skf21("3","2","5","4","5","5","7","1") = "6"
    & skf21("3","2","5","4","5","6","1","1") = "5"
    & skf21("3","2","5","4","5","6","2","1") = "5"
    & skf21("3","2","5","4","5","6","3","1") = "5"
    & skf21("3","2","5","4","5","6","4","1") = "5"
    & skf21("3","2","5","4","5","6","5","1") = "5"
    & skf21("3","2","5","4","5","6","6","1") = "5"
    & skf21("3","2","5","4","5","6","7","1") = "6"
    & skf21("3","2","5","4","5","7","1","1") = "6"
    & skf21("3","2","5","4","5","7","2","1") = "6"
    & skf21("3","2","5","4","5","7","3","1") = "6"
    & skf21("3","2","5","4","5","7","4","1") = "6"
    & skf21("3","2","5","4","5","7","5","1") = "6"
    & skf21("3","2","5","4","5","7","6","1") = "6"
    & skf21("3","2","5","4","5","7","7","1") = "6"
    & skf21("3","2","5","4","6","1","1","1") = "5"
    & skf21("3","2","5","4","6","1","2","1") = "5"
    & skf21("3","2","5","4","6","1","3","1") = "5"
    & skf21("3","2","5","4","6","1","4","1") = "5"
    & skf21("3","2","5","4","6","1","5","1") = "5"
    & skf21("3","2","5","4","6","1","6","1") = "5"
    & skf21("3","2","5","4","6","1","7","1") = "6"
    & skf21("3","2","5","4","6","2","1","1") = "5"
    & skf21("3","2","5","4","6","2","2","1") = "5"
    & skf21("3","2","5","4","6","2","3","1") = "5"
    & skf21("3","2","5","4","6","2","4","1") = "5"
    & skf21("3","2","5","4","6","2","5","1") = "5"
    & skf21("3","2","5","4","6","2","6","1") = "5"
    & skf21("3","2","5","4","6","2","7","1") = "6"
    & skf21("3","2","5","4","6","3","1","1") = "5"
    & skf21("3","2","5","4","6","3","2","1") = "5"
    & skf21("3","2","5","4","6","3","3","1") = "5"
    & skf21("3","2","5","4","6","3","4","1") = "5"
    & skf21("3","2","5","4","6","3","5","1") = "5"
    & skf21("3","2","5","4","6","3","6","1") = "5"
    & skf21("3","2","5","4","6","3","7","1") = "6"
    & skf21("3","2","5","4","6","4","1","1") = "5"
    & skf21("3","2","5","4","6","4","2","1") = "5"
    & skf21("3","2","5","4","6","4","3","1") = "5"
    & skf21("3","2","5","4","6","4","4","1") = "5"
    & skf21("3","2","5","4","6","4","5","1") = "5"
    & skf21("3","2","5","4","6","4","6","1") = "5"
    & skf21("3","2","5","4","6","4","7","1") = "6"
    & skf21("3","2","5","4","6","5","1","1") = "5"
    & skf21("3","2","5","4","6","5","2","1") = "5"
    & skf21("3","2","5","4","6","5","3","1") = "5"
    & skf21("3","2","5","4","6","5","4","1") = "5"
    & skf21("3","2","5","4","6","5","5","1") = "5"
    & skf21("3","2","5","4","6","5","6","1") = "5"
    & skf21("3","2","5","4","6","5","7","1") = "6"
    & skf21("3","2","5","4","6","6","1","1") = "5"
    & skf21("3","2","5","4","6","6","2","1") = "5"
    & skf21("3","2","5","4","6","6","3","1") = "5"
    & skf21("3","2","5","4","6","6","4","1") = "5"
    & skf21("3","2","5","4","6","6","5","1") = "5"
    & skf21("3","2","5","4","6","6","6","1") = "5"
    & skf21("3","2","5","4","6","6","7","1") = "6"
    & skf21("3","2","5","4","6","7","1","1") = "6"
    & skf21("3","2","5","4","6","7","2","1") = "6"
    & skf21("3","2","5","4","6","7","3","1") = "6"
    & skf21("3","2","5","4","6","7","4","1") = "6"
    & skf21("3","2","5","4","6","7","5","1") = "6"
    & skf21("3","2","5","4","6","7","6","1") = "6"
    & skf21("3","2","5","4","6","7","7","1") = "6"
    & skf21("3","2","5","4","7","1","1","1") = "6"
    & skf21("3","2","5","4","7","1","2","1") = "6"
    & skf21("3","2","5","4","7","1","3","1") = "6"
    & skf21("3","2","5","4","7","1","4","1") = "6"
    & skf21("3","2","5","4","7","1","5","1") = "6"
    & skf21("3","2","5","4","7","1","6","1") = "6"
    & skf21("3","2","5","4","7","1","7","1") = "6"
    & skf21("3","2","5","4","7","2","1","1") = "6"
    & skf21("3","2","5","4","7","2","2","1") = "6"
    & skf21("3","2","5","4","7","2","3","1") = "6"
    & skf21("3","2","5","4","7","2","4","1") = "6"
    & skf21("3","2","5","4","7","2","5","1") = "6"
    & skf21("3","2","5","4","7","2","6","1") = "6"
    & skf21("3","2","5","4","7","2","7","1") = "6"
    & skf21("3","2","5","4","7","3","1","1") = "6"
    & skf21("3","2","5","4","7","3","2","1") = "6"
    & skf21("3","2","5","4","7","3","3","1") = "6"
    & skf21("3","2","5","4","7","3","4","1") = "6"
    & skf21("3","2","5","4","7","3","5","1") = "6"
    & skf21("3","2","5","4","7","3","6","1") = "6"
    & skf21("3","2","5","4","7","3","7","1") = "6"
    & skf21("3","2","5","4","7","4","1","1") = "6"
    & skf21("3","2","5","4","7","4","2","1") = "6"
    & skf21("3","2","5","4","7","4","3","1") = "6"
    & skf21("3","2","5","4","7","4","4","1") = "6"
    & skf21("3","2","5","4","7","4","5","1") = "6"
    & skf21("3","2","5","4","7","4","6","1") = "6"
    & skf21("3","2","5","4","7","4","7","1") = "6"
    & skf21("3","2","5","4","7","5","1","1") = "6"
    & skf21("3","2","5","4","7","5","2","1") = "6"
    & skf21("3","2","5","4","7","5","3","1") = "6"
    & skf21("3","2","5","4","7","5","4","1") = "6"
    & skf21("3","2","5","4","7","5","5","1") = "6"
    & skf21("3","2","5","4","7","5","6","1") = "6"
    & skf21("3","2","5","4","7","5","7","1") = "6"
    & skf21("3","2","5","4","7","6","1","1") = "6"
    & skf21("3","2","5","4","7","6","2","1") = "6"
    & skf21("3","2","5","4","7","6","3","1") = "6"
    & skf21("3","2","5","4","7","6","4","1") = "6"
    & skf21("3","2","5","4","7","6","5","1") = "6"
    & skf21("3","2","5","4","7","6","6","1") = "6"
    & skf21("3","2","5","4","7","6","7","1") = "6"
    & skf21("3","2","5","4","7","7","1","1") = "6"
    & skf21("3","2","5","4","7","7","2","1") = "6"
    & skf21("3","2","5","4","7","7","3","1") = "6"
    & skf21("3","2","5","4","7","7","4","1") = "6"
    & skf21("3","2","5","4","7","7","5","1") = "6"
    & skf21("3","2","5","4","7","7","6","1") = "6"
    & skf21("3","2","5","4","7","7","7","1") = "6"
    & skf21("3","2","5","5","1","1","1","1") = "4"
    & skf21("3","2","5","5","1","1","2","1") = "4"
    & skf21("3","2","5","5","1","1","3","1") = "4"
    & skf21("3","2","5","5","1","1","4","1") = "4"
    & skf21("3","2","5","5","1","1","5","1") = "4"
    & skf21("3","2","5","5","1","1","6","1") = "5"
    & skf21("3","2","5","5","1","1","7","1") = "6"
    & skf21("3","2","5","5","1","2","1","1") = "4"
    & skf21("3","2","5","5","1","2","2","1") = "4"
    & skf21("3","2","5","5","1","2","3","1") = "4"
    & skf21("3","2","5","5","1","2","4","1") = "4"
    & skf21("3","2","5","5","1","2","5","1") = "4"
    & skf21("3","2","5","5","1","2","6","1") = "5"
    & skf21("3","2","5","5","1","2","7","1") = "6"
    & skf21("3","2","5","5","1","3","1","1") = "4"
    & skf21("3","2","5","5","1","3","2","1") = "4"
    & skf21("3","2","5","5","1","3","3","1") = "4"
    & skf21("3","2","5","5","1","3","4","1") = "4"
    & skf21("3","2","5","5","1","3","5","1") = "4"
    & skf21("3","2","5","5","1","3","6","1") = "5"
    & skf21("3","2","5","5","1","3","7","1") = "6"
    & skf21("3","2","5","5","1","4","1","1") = "4"
    & skf21("3","2","5","5","1","4","2","1") = "4"
    & skf21("3","2","5","5","1","4","3","1") = "4"
    & skf21("3","2","5","5","1","4","4","1") = "4"
    & skf21("3","2","5","5","1","4","5","1") = "4"
    & skf21("3","2","5","5","1","4","6","1") = "5"
    & skf21("3","2","5","5","1","4","7","1") = "6"
    & skf21("3","2","5","5","1","5","1","1") = "4"
    & skf21("3","2","5","5","1","5","2","1") = "4"
    & skf21("3","2","5","5","1","5","3","1") = "4"
    & skf21("3","2","5","5","1","5","4","1") = "4"
    & skf21("3","2","5","5","1","5","5","1") = "4"
    & skf21("3","2","5","5","1","5","6","1") = "5"
    & skf21("3","2","5","5","1","5","7","1") = "6"
    & skf21("3","2","5","5","1","6","1","1") = "5"
    & skf21("3","2","5","5","1","6","2","1") = "5"
    & skf21("3","2","5","5","1","6","3","1") = "5"
    & skf21("3","2","5","5","1","6","4","1") = "5"
    & skf21("3","2","5","5","1","6","5","1") = "5"
    & skf21("3","2","5","5","1","6","6","1") = "5"
    & skf21("3","2","5","5","1","6","7","1") = "6"
    & skf21("3","2","5","5","1","7","1","1") = "6"
    & skf21("3","2","5","5","1","7","2","1") = "6"
    & skf21("3","2","5","5","1","7","3","1") = "6"
    & skf21("3","2","5","5","1","7","4","1") = "6"
    & skf21("3","2","5","5","1","7","5","1") = "6"
    & skf21("3","2","5","5","1","7","6","1") = "6"
    & skf21("3","2","5","5","1","7","7","1") = "6"
    & skf21("3","2","5","5","2","1","1","1") = "4"
    & skf21("3","2","5","5","2","1","2","1") = "4"
    & skf21("3","2","5","5","2","1","3","1") = "4"
    & skf21("3","2","5","5","2","1","4","1") = "4"
    & skf21("3","2","5","5","2","1","5","1") = "4"
    & skf21("3","2","5","5","2","1","6","1") = "5"
    & skf21("3","2","5","5","2","1","7","1") = "6"
    & skf21("3","2","5","5","2","2","1","1") = "4"
    & skf21("3","2","5","5","2","2","2","1") = "4"
    & skf21("3","2","5","5","2","2","3","1") = "4"
    & skf21("3","2","5","5","2","2","4","1") = "4"
    & skf21("3","2","5","5","2","2","5","1") = "4"
    & skf21("3","2","5","5","2","2","6","1") = "5"
    & skf21("3","2","5","5","2","2","7","1") = "6"
    & skf21("3","2","5","5","2","3","1","1") = "4"
    & skf21("3","2","5","5","2","3","2","1") = "4"
    & skf21("3","2","5","5","2","3","3","1") = "4"
    & skf21("3","2","5","5","2","3","4","1") = "4"
    & skf21("3","2","5","5","2","3","5","1") = "4"
    & skf21("3","2","5","5","2","3","6","1") = "5"
    & skf21("3","2","5","5","2","3","7","1") = "6"
    & skf21("3","2","5","5","2","4","1","1") = "4"
    & skf21("3","2","5","5","2","4","2","1") = "4"
    & skf21("3","2","5","5","2","4","3","1") = "4"
    & skf21("3","2","5","5","2","4","4","1") = "4"
    & skf21("3","2","5","5","2","4","5","1") = "4"
    & skf21("3","2","5","5","2","4","6","1") = "5"
    & skf21("3","2","5","5","2","4","7","1") = "6"
    & skf21("3","2","5","5","2","5","1","1") = "4"
    & skf21("3","2","5","5","2","5","2","1") = "4"
    & skf21("3","2","5","5","2","5","3","1") = "4"
    & skf21("3","2","5","5","2","5","4","1") = "4"
    & skf21("3","2","5","5","2","5","5","1") = "4"
    & skf21("3","2","5","5","2","5","6","1") = "5"
    & skf21("3","2","5","5","2","5","7","1") = "6"
    & skf21("3","2","5","5","2","6","1","1") = "5"
    & skf21("3","2","5","5","2","6","2","1") = "5"
    & skf21("3","2","5","5","2","6","3","1") = "5"
    & skf21("3","2","5","5","2","6","4","1") = "5"
    & skf21("3","2","5","5","2","6","5","1") = "5"
    & skf21("3","2","5","5","2","6","6","1") = "5"
    & skf21("3","2","5","5","2","6","7","1") = "6"
    & skf21("3","2","5","5","2","7","1","1") = "6"
    & skf21("3","2","5","5","2","7","2","1") = "6"
    & skf21("3","2","5","5","2","7","3","1") = "6"
    & skf21("3","2","5","5","2","7","4","1") = "6"
    & skf21("3","2","5","5","2","7","5","1") = "6"
    & skf21("3","2","5","5","2","7","6","1") = "6"
    & skf21("3","2","5","5","2","7","7","1") = "6"
    & skf21("3","2","5","5","3","1","1","1") = "4"
    & skf21("3","2","5","5","3","1","2","1") = "4"
    & skf21("3","2","5","5","3","1","3","1") = "4"
    & skf21("3","2","5","5","3","1","4","1") = "4"
    & skf21("3","2","5","5","3","1","5","1") = "4"
    & skf21("3","2","5","5","3","1","6","1") = "5"
    & skf21("3","2","5","5","3","1","7","1") = "6"
    & skf21("3","2","5","5","3","2","1","1") = "4"
    & skf21("3","2","5","5","3","2","2","1") = "4"
    & skf21("3","2","5","5","3","2","3","1") = "4"
    & skf21("3","2","5","5","3","2","4","1") = "4"
    & skf21("3","2","5","5","3","2","5","1") = "4"
    & skf21("3","2","5","5","3","2","6","1") = "5"
    & skf21("3","2","5","5","3","2","7","1") = "6"
    & skf21("3","2","5","5","3","3","1","1") = "4"
    & skf21("3","2","5","5","3","3","2","1") = "4"
    & skf21("3","2","5","5","3","3","3","1") = "4"
    & skf21("3","2","5","5","3","3","4","1") = "4"
    & skf21("3","2","5","5","3","3","5","1") = "4"
    & skf21("3","2","5","5","3","3","6","1") = "5"
    & skf21("3","2","5","5","3","3","7","1") = "6"
    & skf21("3","2","5","5","3","4","1","1") = "4"
    & skf21("3","2","5","5","3","4","2","1") = "4"
    & skf21("3","2","5","5","3","4","3","1") = "4"
    & skf21("3","2","5","5","3","4","4","1") = "4"
    & skf21("3","2","5","5","3","4","5","1") = "4"
    & skf21("3","2","5","5","3","4","6","1") = "5"
    & skf21("3","2","5","5","3","4","7","1") = "6"
    & skf21("3","2","5","5","3","5","1","1") = "4"
    & skf21("3","2","5","5","3","5","2","1") = "4"
    & skf21("3","2","5","5","3","5","3","1") = "4"
    & skf21("3","2","5","5","3","5","4","1") = "4"
    & skf21("3","2","5","5","3","5","5","1") = "4"
    & skf21("3","2","5","5","3","5","6","1") = "5"
    & skf21("3","2","5","5","3","5","7","1") = "6"
    & skf21("3","2","5","5","3","6","1","1") = "5"
    & skf21("3","2","5","5","3","6","2","1") = "5"
    & skf21("3","2","5","5","3","6","3","1") = "5"
    & skf21("3","2","5","5","3","6","4","1") = "5"
    & skf21("3","2","5","5","3","6","5","1") = "5"
    & skf21("3","2","5","5","3","6","6","1") = "5"
    & skf21("3","2","5","5","3","6","7","1") = "6"
    & skf21("3","2","5","5","3","7","1","1") = "6"
    & skf21("3","2","5","5","3","7","2","1") = "6"
    & skf21("3","2","5","5","3","7","3","1") = "6"
    & skf21("3","2","5","5","3","7","4","1") = "6"
    & skf21("3","2","5","5","3","7","5","1") = "6"
    & skf21("3","2","5","5","3","7","6","1") = "6"
    & skf21("3","2","5","5","3","7","7","1") = "6"
    & skf21("3","2","5","5","4","1","1","1") = "4"
    & skf21("3","2","5","5","4","1","2","1") = "4"
    & skf21("3","2","5","5","4","1","3","1") = "4"
    & skf21("3","2","5","5","4","1","4","1") = "4"
    & skf21("3","2","5","5","4","1","5","1") = "4"
    & skf21("3","2","5","5","4","1","6","1") = "5"
    & skf21("3","2","5","5","4","1","7","1") = "6"
    & skf21("3","2","5","5","4","2","1","1") = "4"
    & skf21("3","2","5","5","4","2","2","1") = "4"
    & skf21("3","2","5","5","4","2","3","1") = "4"
    & skf21("3","2","5","5","4","2","4","1") = "4"
    & skf21("3","2","5","5","4","2","5","1") = "4"
    & skf21("3","2","5","5","4","2","6","1") = "5"
    & skf21("3","2","5","5","4","2","7","1") = "6"
    & skf21("3","2","5","5","4","3","1","1") = "4"
    & skf21("3","2","5","5","4","3","2","1") = "4"
    & skf21("3","2","5","5","4","3","3","1") = "4"
    & skf21("3","2","5","5","4","3","4","1") = "4"
    & skf21("3","2","5","5","4","3","5","1") = "4"
    & skf21("3","2","5","5","4","3","6","1") = "5"
    & skf21("3","2","5","5","4","3","7","1") = "6"
    & skf21("3","2","5","5","4","4","1","1") = "4"
    & skf21("3","2","5","5","4","4","2","1") = "4"
    & skf21("3","2","5","5","4","4","3","1") = "4"
    & skf21("3","2","5","5","4","4","4","1") = "4"
    & skf21("3","2","5","5","4","4","5","1") = "4"
    & skf21("3","2","5","5","4","4","6","1") = "5"
    & skf21("3","2","5","5","4","4","7","1") = "6"
    & skf21("3","2","5","5","4","5","1","1") = "4"
    & skf21("3","2","5","5","4","5","2","1") = "4"
    & skf21("3","2","5","5","4","5","3","1") = "4"
    & skf21("3","2","5","5","4","5","4","1") = "4"
    & skf21("3","2","5","5","4","5","5","1") = "4"
    & skf21("3","2","5","5","4","5","6","1") = "5"
    & skf21("3","2","5","5","4","5","7","1") = "6"
    & skf21("3","2","5","5","4","6","1","1") = "5"
    & skf21("3","2","5","5","4","6","2","1") = "5"
    & skf21("3","2","5","5","4","6","3","1") = "5"
    & skf21("3","2","5","5","4","6","4","1") = "5"
    & skf21("3","2","5","5","4","6","5","1") = "5"
    & skf21("3","2","5","5","4","6","6","1") = "5"
    & skf21("3","2","5","5","4","6","7","1") = "6"
    & skf21("3","2","5","5","4","7","1","1") = "6"
    & skf21("3","2","5","5","4","7","2","1") = "6"
    & skf21("3","2","5","5","4","7","3","1") = "6"
    & skf21("3","2","5","5","4","7","4","1") = "6"
    & skf21("3","2","5","5","4","7","5","1") = "6"
    & skf21("3","2","5","5","4","7","6","1") = "6"
    & skf21("3","2","5","5","4","7","7","1") = "6"
    & skf21("3","2","5","5","5","1","1","1") = "4"
    & skf21("3","2","5","5","5","1","2","1") = "4"
    & skf21("3","2","5","5","5","1","3","1") = "4"
    & skf21("3","2","5","5","5","1","4","1") = "4"
    & skf21("3","2","5","5","5","1","5","1") = "4"
    & skf21("3","2","5","5","5","1","6","1") = "5"
    & skf21("3","2","5","5","5","1","7","1") = "6"
    & skf21("3","2","5","5","5","2","1","1") = "4"
    & skf21("3","2","5","5","5","2","2","1") = "4"
    & skf21("3","2","5","5","5","2","3","1") = "4"
    & skf21("3","2","5","5","5","2","4","1") = "4"
    & skf21("3","2","5","5","5","2","5","1") = "4"
    & skf21("3","2","5","5","5","2","6","1") = "5"
    & skf21("3","2","5","5","5","2","7","1") = "6"
    & skf21("3","2","5","5","5","3","1","1") = "4"
    & skf21("3","2","5","5","5","3","2","1") = "4"
    & skf21("3","2","5","5","5","3","3","1") = "4"
    & skf21("3","2","5","5","5","3","4","1") = "4"
    & skf21("3","2","5","5","5","3","5","1") = "4"
    & skf21("3","2","5","5","5","3","6","1") = "5"
    & skf21("3","2","5","5","5","3","7","1") = "6"
    & skf21("3","2","5","5","5","4","1","1") = "4"
    & skf21("3","2","5","5","5","4","2","1") = "4"
    & skf21("3","2","5","5","5","4","3","1") = "4"
    & skf21("3","2","5","5","5","4","4","1") = "4"
    & skf21("3","2","5","5","5","4","5","1") = "4"
    & skf21("3","2","5","5","5","4","6","1") = "5"
    & skf21("3","2","5","5","5","4","7","1") = "6"
    & skf21("3","2","5","5","5","5","1","1") = "4"
    & skf21("3","2","5","5","5","5","2","1") = "4"
    & skf21("3","2","5","5","5","5","3","1") = "4"
    & skf21("3","2","5","5","5","5","4","1") = "4"
    & skf21("3","2","5","5","5","5","5","1") = "4"
    & skf21("3","2","5","5","5","5","6","1") = "5"
    & skf21("3","2","5","5","5","5","7","1") = "6"
    & skf21("3","2","5","5","5","6","1","1") = "5"
    & skf21("3","2","5","5","5","6","2","1") = "5"
    & skf21("3","2","5","5","5","6","3","1") = "5"
    & skf21("3","2","5","5","5","6","4","1") = "5"
    & skf21("3","2","5","5","5","6","5","1") = "5"
    & skf21("3","2","5","5","5","6","6","1") = "5"
    & skf21("3","2","5","5","5","6","7","1") = "6"
    & skf21("3","2","5","5","5","7","1","1") = "6"
    & skf21("3","2","5","5","5","7","2","1") = "6"
    & skf21("3","2","5","5","5","7","3","1") = "6"
    & skf21("3","2","5","5","5","7","4","1") = "6"
    & skf21("3","2","5","5","5","7","5","1") = "6"
    & skf21("3","2","5","5","5","7","6","1") = "6"
    & skf21("3","2","5","5","5","7","7","1") = "6"
    & skf21("3","2","5","5","6","1","1","1") = "5"
    & skf21("3","2","5","5","6","1","2","1") = "5"
    & skf21("3","2","5","5","6","1","3","1") = "5"
    & skf21("3","2","5","5","6","1","4","1") = "5"
    & skf21("3","2","5","5","6","1","5","1") = "5"
    & skf21("3","2","5","5","6","1","6","1") = "5"
    & skf21("3","2","5","5","6","1","7","1") = "6"
    & skf21("3","2","5","5","6","2","1","1") = "5"
    & skf21("3","2","5","5","6","2","2","1") = "5"
    & skf21("3","2","5","5","6","2","3","1") = "5"
    & skf21("3","2","5","5","6","2","4","1") = "5"
    & skf21("3","2","5","5","6","2","5","1") = "5"
    & skf21("3","2","5","5","6","2","6","1") = "5"
    & skf21("3","2","5","5","6","2","7","1") = "6"
    & skf21("3","2","5","5","6","3","1","1") = "5"
    & skf21("3","2","5","5","6","3","2","1") = "5"
    & skf21("3","2","5","5","6","3","3","1") = "5"
    & skf21("3","2","5","5","6","3","4","1") = "5"
    & skf21("3","2","5","5","6","3","5","1") = "5"
    & skf21("3","2","5","5","6","3","6","1") = "5"
    & skf21("3","2","5","5","6","3","7","1") = "6"
    & skf21("3","2","5","5","6","4","1","1") = "5"
    & skf21("3","2","5","5","6","4","2","1") = "5"
    & skf21("3","2","5","5","6","4","3","1") = "5"
    & skf21("3","2","5","5","6","4","4","1") = "5"
    & skf21("3","2","5","5","6","4","5","1") = "5"
    & skf21("3","2","5","5","6","4","6","1") = "5"
    & skf21("3","2","5","5","6","4","7","1") = "6"
    & skf21("3","2","5","5","6","5","1","1") = "5"
    & skf21("3","2","5","5","6","5","2","1") = "5"
    & skf21("3","2","5","5","6","5","3","1") = "5"
    & skf21("3","2","5","5","6","5","4","1") = "5"
    & skf21("3","2","5","5","6","5","5","1") = "5"
    & skf21("3","2","5","5","6","5","6","1") = "5"
    & skf21("3","2","5","5","6","5","7","1") = "6"
    & skf21("3","2","5","5","6","6","1","1") = "5"
    & skf21("3","2","5","5","6","6","2","1") = "5"
    & skf21("3","2","5","5","6","6","3","1") = "5"
    & skf21("3","2","5","5","6","6","4","1") = "5"
    & skf21("3","2","5","5","6","6","5","1") = "5"
    & skf21("3","2","5","5","6","6","6","1") = "5"
    & skf21("3","2","5","5","6","6","7","1") = "6"
    & skf21("3","2","5","5","6","7","1","1") = "6"
    & skf21("3","2","5","5","6","7","2","1") = "6"
    & skf21("3","2","5","5","6","7","3","1") = "6"
    & skf21("3","2","5","5","6","7","4","1") = "6"
    & skf21("3","2","5","5","6","7","5","1") = "6"
    & skf21("3","2","5","5","6","7","6","1") = "6"
    & skf21("3","2","5","5","6","7","7","1") = "6"
    & skf21("3","2","5","5","7","1","1","1") = "6"
    & skf21("3","2","5","5","7","1","2","1") = "6"
    & skf21("3","2","5","5","7","1","3","1") = "6"
    & skf21("3","2","5","5","7","1","4","1") = "6"
    & skf21("3","2","5","5","7","1","5","1") = "6"
    & skf21("3","2","5","5","7","1","6","1") = "6"
    & skf21("3","2","5","5","7","1","7","1") = "6"
    & skf21("3","2","5","5","7","2","1","1") = "6"
    & skf21("3","2","5","5","7","2","2","1") = "6"
    & skf21("3","2","5","5","7","2","3","1") = "6"
    & skf21("3","2","5","5","7","2","4","1") = "6"
    & skf21("3","2","5","5","7","2","5","1") = "6"
    & skf21("3","2","5","5","7","2","6","1") = "6"
    & skf21("3","2","5","5","7","2","7","1") = "6"
    & skf21("3","2","5","5","7","3","1","1") = "6"
    & skf21("3","2","5","5","7","3","2","1") = "6"
    & skf21("3","2","5","5","7","3","3","1") = "6"
    & skf21("3","2","5","5","7","3","4","1") = "6"
    & skf21("3","2","5","5","7","3","5","1") = "6"
    & skf21("3","2","5","5","7","3","6","1") = "6"
    & skf21("3","2","5","5","7","3","7","1") = "6"
    & skf21("3","2","5","5","7","4","1","1") = "6"
    & skf21("3","2","5","5","7","4","2","1") = "6"
    & skf21("3","2","5","5","7","4","3","1") = "6"
    & skf21("3","2","5","5","7","4","4","1") = "6"
    & skf21("3","2","5","5","7","4","5","1") = "6"
    & skf21("3","2","5","5","7","4","6","1") = "6"
    & skf21("3","2","5","5","7","4","7","1") = "6"
    & skf21("3","2","5","5","7","5","1","1") = "6"
    & skf21("3","2","5","5","7","5","2","1") = "6"
    & skf21("3","2","5","5","7","5","3","1") = "6"
    & skf21("3","2","5","5","7","5","4","1") = "6"
    & skf21("3","2","5","5","7","5","5","1") = "6"
    & skf21("3","2","5","5","7","5","6","1") = "6"
    & skf21("3","2","5","5","7","5","7","1") = "6"
    & skf21("3","2","5","5","7","6","1","1") = "6"
    & skf21("3","2","5","5","7","6","2","1") = "6"
    & skf21("3","2","5","5","7","6","3","1") = "6"
    & skf21("3","2","5","5","7","6","4","1") = "6"
    & skf21("3","2","5","5","7","6","5","1") = "6"
    & skf21("3","2","5","5","7","6","6","1") = "6"
    & skf21("3","2","5","5","7","6","7","1") = "6"
    & skf21("3","2","5","5","7","7","1","1") = "6"
    & skf21("3","2","5","5","7","7","2","1") = "6"
    & skf21("3","2","5","5","7","7","3","1") = "6"
    & skf21("3","2","5","5","7","7","4","1") = "6"
    & skf21("3","2","5","5","7","7","5","1") = "6"
    & skf21("3","2","5","5","7","7","6","1") = "6"
    & skf21("3","2","5","5","7","7","7","1") = "6"
    & skf21("3","2","5","6","1","1","1","1") = "5"
    & skf21("3","2","5","6","1","1","2","1") = "5"
    & skf21("3","2","5","6","1","1","3","1") = "5"
    & skf21("3","2","5","6","1","1","4","1") = "5"
    & skf21("3","2","5","6","1","1","5","1") = "5"
    & skf21("3","2","5","6","1","1","6","1") = "5"
    & skf21("3","2","5","6","1","1","7","1") = "6"
    & skf21("3","2","5","6","1","2","1","1") = "5"
    & skf21("3","2","5","6","1","2","2","1") = "5"
    & skf21("3","2","5","6","1","2","3","1") = "5"
    & skf21("3","2","5","6","1","2","4","1") = "5"
    & skf21("3","2","5","6","1","2","5","1") = "5"
    & skf21("3","2","5","6","1","2","6","1") = "5"
    & skf21("3","2","5","6","1","2","7","1") = "6"
    & skf21("3","2","5","6","1","3","1","1") = "5"
    & skf21("3","2","5","6","1","3","2","1") = "5"
    & skf21("3","2","5","6","1","3","3","1") = "5"
    & skf21("3","2","5","6","1","3","4","1") = "5"
    & skf21("3","2","5","6","1","3","5","1") = "5"
    & skf21("3","2","5","6","1","3","6","1") = "5"
    & skf21("3","2","5","6","1","3","7","1") = "6"
    & skf21("3","2","5","6","1","4","1","1") = "5"
    & skf21("3","2","5","6","1","4","2","1") = "5"
    & skf21("3","2","5","6","1","4","3","1") = "5"
    & skf21("3","2","5","6","1","4","4","1") = "5"
    & skf21("3","2","5","6","1","4","5","1") = "5"
    & skf21("3","2","5","6","1","4","6","1") = "5"
    & skf21("3","2","5","6","1","4","7","1") = "6"
    & skf21("3","2","5","6","1","5","1","1") = "5"
    & skf21("3","2","5","6","1","5","2","1") = "5"
    & skf21("3","2","5","6","1","5","3","1") = "5"
    & skf21("3","2","5","6","1","5","4","1") = "5"
    & skf21("3","2","5","6","1","5","5","1") = "5"
    & skf21("3","2","5","6","1","5","6","1") = "5"
    & skf21("3","2","5","6","1","5","7","1") = "6"
    & skf21("3","2","5","6","1","6","1","1") = "5"
    & skf21("3","2","5","6","1","6","2","1") = "5"
    & skf21("3","2","5","6","1","6","3","1") = "5"
    & skf21("3","2","5","6","1","6","4","1") = "5"
    & skf21("3","2","5","6","1","6","5","1") = "5"
    & skf21("3","2","5","6","1","6","6","1") = "5"
    & skf21("3","2","5","6","1","6","7","1") = "6"
    & skf21("3","2","5","6","1","7","1","1") = "6"
    & skf21("3","2","5","6","1","7","2","1") = "6"
    & skf21("3","2","5","6","1","7","3","1") = "6"
    & skf21("3","2","5","6","1","7","4","1") = "6"
    & skf21("3","2","5","6","1","7","5","1") = "6"
    & skf21("3","2","5","6","1","7","6","1") = "6"
    & skf21("3","2","5","6","1","7","7","1") = "6"
    & skf21("3","2","5","6","2","1","1","1") = "5"
    & skf21("3","2","5","6","2","1","2","1") = "5"
    & skf21("3","2","5","6","2","1","3","1") = "5"
    & skf21("3","2","5","6","2","1","4","1") = "5"
    & skf21("3","2","5","6","2","1","5","1") = "5"
    & skf21("3","2","5","6","2","1","6","1") = "5"
    & skf21("3","2","5","6","2","1","7","1") = "6"
    & skf21("3","2","5","6","2","2","1","1") = "5"
    & skf21("3","2","5","6","2","2","2","1") = "5"
    & skf21("3","2","5","6","2","2","3","1") = "5"
    & skf21("3","2","5","6","2","2","4","1") = "5"
    & skf21("3","2","5","6","2","2","5","1") = "5"
    & skf21("3","2","5","6","2","2","6","1") = "5"
    & skf21("3","2","5","6","2","2","7","1") = "6"
    & skf21("3","2","5","6","2","3","1","1") = "5"
    & skf21("3","2","5","6","2","3","2","1") = "5"
    & skf21("3","2","5","6","2","3","3","1") = "5"
    & skf21("3","2","5","6","2","3","4","1") = "5"
    & skf21("3","2","5","6","2","3","5","1") = "5"
    & skf21("3","2","5","6","2","3","6","1") = "5"
    & skf21("3","2","5","6","2","3","7","1") = "6"
    & skf21("3","2","5","6","2","4","1","1") = "5"
    & skf21("3","2","5","6","2","4","2","1") = "5"
    & skf21("3","2","5","6","2","4","3","1") = "5"
    & skf21("3","2","5","6","2","4","4","1") = "5"
    & skf21("3","2","5","6","2","4","5","1") = "5"
    & skf21("3","2","5","6","2","4","6","1") = "5"
    & skf21("3","2","5","6","2","4","7","1") = "6"
    & skf21("3","2","5","6","2","5","1","1") = "5"
    & skf21("3","2","5","6","2","5","2","1") = "5"
    & skf21("3","2","5","6","2","5","3","1") = "5"
    & skf21("3","2","5","6","2","5","4","1") = "5"
    & skf21("3","2","5","6","2","5","5","1") = "5"
    & skf21("3","2","5","6","2","5","6","1") = "5"
    & skf21("3","2","5","6","2","5","7","1") = "6"
    & skf21("3","2","5","6","2","6","1","1") = "5"
    & skf21("3","2","5","6","2","6","2","1") = "5"
    & skf21("3","2","5","6","2","6","3","1") = "5"
    & skf21("3","2","5","6","2","6","4","1") = "5"
    & skf21("3","2","5","6","2","6","5","1") = "5"
    & skf21("3","2","5","6","2","6","6","1") = "5"
    & skf21("3","2","5","6","2","6","7","1") = "6"
    & skf21("3","2","5","6","2","7","1","1") = "6"
    & skf21("3","2","5","6","2","7","2","1") = "6"
    & skf21("3","2","5","6","2","7","3","1") = "6"
    & skf21("3","2","5","6","2","7","4","1") = "6"
    & skf21("3","2","5","6","2","7","5","1") = "6"
    & skf21("3","2","5","6","2","7","6","1") = "6"
    & skf21("3","2","5","6","2","7","7","1") = "6"
    & skf21("3","2","5","6","3","1","1","1") = "5"
    & skf21("3","2","5","6","3","1","2","1") = "5"
    & skf21("3","2","5","6","3","1","3","1") = "5"
    & skf21("3","2","5","6","3","1","4","1") = "5"
    & skf21("3","2","5","6","3","1","5","1") = "5"
    & skf21("3","2","5","6","3","1","6","1") = "5"
    & skf21("3","2","5","6","3","1","7","1") = "6"
    & skf21("3","2","5","6","3","2","1","1") = "5"
    & skf21("3","2","5","6","3","2","2","1") = "5"
    & skf21("3","2","5","6","3","2","3","1") = "5"
    & skf21("3","2","5","6","3","2","4","1") = "5"
    & skf21("3","2","5","6","3","2","5","1") = "5"
    & skf21("3","2","5","6","3","2","6","1") = "5"
    & skf21("3","2","5","6","3","2","7","1") = "6"
    & skf21("3","2","5","6","3","3","1","1") = "5"
    & skf21("3","2","5","6","3","3","2","1") = "5"
    & skf21("3","2","5","6","3","3","3","1") = "5"
    & skf21("3","2","5","6","3","3","4","1") = "5"
    & skf21("3","2","5","6","3","3","5","1") = "5"
    & skf21("3","2","5","6","3","3","6","1") = "5"
    & skf21("3","2","5","6","3","3","7","1") = "6"
    & skf21("3","2","5","6","3","4","1","1") = "5"
    & skf21("3","2","5","6","3","4","2","1") = "5"
    & skf21("3","2","5","6","3","4","3","1") = "5"
    & skf21("3","2","5","6","3","4","4","1") = "5"
    & skf21("3","2","5","6","3","4","5","1") = "5"
    & skf21("3","2","5","6","3","4","6","1") = "5"
    & skf21("3","2","5","6","3","4","7","1") = "6"
    & skf21("3","2","5","6","3","5","1","1") = "5"
    & skf21("3","2","5","6","3","5","2","1") = "5"
    & skf21("3","2","5","6","3","5","3","1") = "5"
    & skf21("3","2","5","6","3","5","4","1") = "5"
    & skf21("3","2","5","6","3","5","5","1") = "5"
    & skf21("3","2","5","6","3","5","6","1") = "5"
    & skf21("3","2","5","6","3","5","7","1") = "6"
    & skf21("3","2","5","6","3","6","1","1") = "5"
    & skf21("3","2","5","6","3","6","2","1") = "5"
    & skf21("3","2","5","6","3","6","3","1") = "5"
    & skf21("3","2","5","6","3","6","4","1") = "5"
    & skf21("3","2","5","6","3","6","5","1") = "5"
    & skf21("3","2","5","6","3","6","6","1") = "5"
    & skf21("3","2","5","6","3","6","7","1") = "6"
    & skf21("3","2","5","6","3","7","1","1") = "6"
    & skf21("3","2","5","6","3","7","2","1") = "6"
    & skf21("3","2","5","6","3","7","3","1") = "6"
    & skf21("3","2","5","6","3","7","4","1") = "6"
    & skf21("3","2","5","6","3","7","5","1") = "6"
    & skf21("3","2","5","6","3","7","6","1") = "6"
    & skf21("3","2","5","6","3","7","7","1") = "6"
    & skf21("3","2","5","6","4","1","1","1") = "5"
    & skf21("3","2","5","6","4","1","2","1") = "5"
    & skf21("3","2","5","6","4","1","3","1") = "5"
    & skf21("3","2","5","6","4","1","4","1") = "5"
    & skf21("3","2","5","6","4","1","5","1") = "5"
    & skf21("3","2","5","6","4","1","6","1") = "5"
    & skf21("3","2","5","6","4","1","7","1") = "6"
    & skf21("3","2","5","6","4","2","1","1") = "5"
    & skf21("3","2","5","6","4","2","2","1") = "5"
    & skf21("3","2","5","6","4","2","3","1") = "5"
    & skf21("3","2","5","6","4","2","4","1") = "5"
    & skf21("3","2","5","6","4","2","5","1") = "5"
    & skf21("3","2","5","6","4","2","6","1") = "5"
    & skf21("3","2","5","6","4","2","7","1") = "6"
    & skf21("3","2","5","6","4","3","1","1") = "5"
    & skf21("3","2","5","6","4","3","2","1") = "5"
    & skf21("3","2","5","6","4","3","3","1") = "5"
    & skf21("3","2","5","6","4","3","4","1") = "5"
    & skf21("3","2","5","6","4","3","5","1") = "5"
    & skf21("3","2","5","6","4","3","6","1") = "5"
    & skf21("3","2","5","6","4","3","7","1") = "6"
    & skf21("3","2","5","6","4","4","1","1") = "5"
    & skf21("3","2","5","6","4","4","2","1") = "5"
    & skf21("3","2","5","6","4","4","3","1") = "5"
    & skf21("3","2","5","6","4","4","4","1") = "5"
    & skf21("3","2","5","6","4","4","5","1") = "5"
    & skf21("3","2","5","6","4","4","6","1") = "5"
    & skf21("3","2","5","6","4","4","7","1") = "6"
    & skf21("3","2","5","6","4","5","1","1") = "5"
    & skf21("3","2","5","6","4","5","2","1") = "5"
    & skf21("3","2","5","6","4","5","3","1") = "5"
    & skf21("3","2","5","6","4","5","4","1") = "5"
    & skf21("3","2","5","6","4","5","5","1") = "5"
    & skf21("3","2","5","6","4","5","6","1") = "5"
    & skf21("3","2","5","6","4","5","7","1") = "6"
    & skf21("3","2","5","6","4","6","1","1") = "5"
    & skf21("3","2","5","6","4","6","2","1") = "5"
    & skf21("3","2","5","6","4","6","3","1") = "5"
    & skf21("3","2","5","6","4","6","4","1") = "5"
    & skf21("3","2","5","6","4","6","5","1") = "5"
    & skf21("3","2","5","6","4","6","6","1") = "5"
    & skf21("3","2","5","6","4","6","7","1") = "6"
    & skf21("3","2","5","6","4","7","1","1") = "6"
    & skf21("3","2","5","6","4","7","2","1") = "6"
    & skf21("3","2","5","6","4","7","3","1") = "6"
    & skf21("3","2","5","6","4","7","4","1") = "6"
    & skf21("3","2","5","6","4","7","5","1") = "6"
    & skf21("3","2","5","6","4","7","6","1") = "6"
    & skf21("3","2","5","6","4","7","7","1") = "6"
    & skf21("3","2","5","6","5","1","1","1") = "5"
    & skf21("3","2","5","6","5","1","2","1") = "5"
    & skf21("3","2","5","6","5","1","3","1") = "5"
    & skf21("3","2","5","6","5","1","4","1") = "5"
    & skf21("3","2","5","6","5","1","5","1") = "5"
    & skf21("3","2","5","6","5","1","6","1") = "5"
    & skf21("3","2","5","6","5","1","7","1") = "6"
    & skf21("3","2","5","6","5","2","1","1") = "5"
    & skf21("3","2","5","6","5","2","2","1") = "5"
    & skf21("3","2","5","6","5","2","3","1") = "5"
    & skf21("3","2","5","6","5","2","4","1") = "5"
    & skf21("3","2","5","6","5","2","5","1") = "5"
    & skf21("3","2","5","6","5","2","6","1") = "5"
    & skf21("3","2","5","6","5","2","7","1") = "6"
    & skf21("3","2","5","6","5","3","1","1") = "5"
    & skf21("3","2","5","6","5","3","2","1") = "5"
    & skf21("3","2","5","6","5","3","3","1") = "5"
    & skf21("3","2","5","6","5","3","4","1") = "5"
    & skf21("3","2","5","6","5","3","5","1") = "5"
    & skf21("3","2","5","6","5","3","6","1") = "5"
    & skf21("3","2","5","6","5","3","7","1") = "6"
    & skf21("3","2","5","6","5","4","1","1") = "5"
    & skf21("3","2","5","6","5","4","2","1") = "5"
    & skf21("3","2","5","6","5","4","3","1") = "5"
    & skf21("3","2","5","6","5","4","4","1") = "5"
    & skf21("3","2","5","6","5","4","5","1") = "5"
    & skf21("3","2","5","6","5","4","6","1") = "5"
    & skf21("3","2","5","6","5","4","7","1") = "6"
    & skf21("3","2","5","6","5","5","1","1") = "5"
    & skf21("3","2","5","6","5","5","2","1") = "5"
    & skf21("3","2","5","6","5","5","3","1") = "5"
    & skf21("3","2","5","6","5","5","4","1") = "5"
    & skf21("3","2","5","6","5","5","5","1") = "5"
    & skf21("3","2","5","6","5","5","6","1") = "5"
    & skf21("3","2","5","6","5","5","7","1") = "6"
    & skf21("3","2","5","6","5","6","1","1") = "5"
    & skf21("3","2","5","6","5","6","2","1") = "5"
    & skf21("3","2","5","6","5","6","3","1") = "5"
    & skf21("3","2","5","6","5","6","4","1") = "5"
    & skf21("3","2","5","6","5","6","5","1") = "5"
    & skf21("3","2","5","6","5","6","6","1") = "5"
    & skf21("3","2","5","6","5","6","7","1") = "6"
    & skf21("3","2","5","6","5","7","1","1") = "6"
    & skf21("3","2","5","6","5","7","2","1") = "6"
    & skf21("3","2","5","6","5","7","3","1") = "6"
    & skf21("3","2","5","6","5","7","4","1") = "6"
    & skf21("3","2","5","6","5","7","5","1") = "6"
    & skf21("3","2","5","6","5","7","6","1") = "6"
    & skf21("3","2","5","6","5","7","7","1") = "6"
    & skf21("3","2","5","6","6","1","1","1") = "5"
    & skf21("3","2","5","6","6","1","2","1") = "5"
    & skf21("3","2","5","6","6","1","3","1") = "5"
    & skf21("3","2","5","6","6","1","4","1") = "5"
    & skf21("3","2","5","6","6","1","5","1") = "5"
    & skf21("3","2","5","6","6","1","6","1") = "5"
    & skf21("3","2","5","6","6","1","7","1") = "6"
    & skf21("3","2","5","6","6","2","1","1") = "5"
    & skf21("3","2","5","6","6","2","2","1") = "5"
    & skf21("3","2","5","6","6","2","3","1") = "5"
    & skf21("3","2","5","6","6","2","4","1") = "5"
    & skf21("3","2","5","6","6","2","5","1") = "5"
    & skf21("3","2","5","6","6","2","6","1") = "5"
    & skf21("3","2","5","6","6","2","7","1") = "6"
    & skf21("3","2","5","6","6","3","1","1") = "5"
    & skf21("3","2","5","6","6","3","2","1") = "5"
    & skf21("3","2","5","6","6","3","3","1") = "5"
    & skf21("3","2","5","6","6","3","4","1") = "5"
    & skf21("3","2","5","6","6","3","5","1") = "5"
    & skf21("3","2","5","6","6","3","6","1") = "5"
    & skf21("3","2","5","6","6","3","7","1") = "6"
    & skf21("3","2","5","6","6","4","1","1") = "5"
    & skf21("3","2","5","6","6","4","2","1") = "5"
    & skf21("3","2","5","6","6","4","3","1") = "5"
    & skf21("3","2","5","6","6","4","4","1") = "5"
    & skf21("3","2","5","6","6","4","5","1") = "5"
    & skf21("3","2","5","6","6","4","6","1") = "5"
    & skf21("3","2","5","6","6","4","7","1") = "6"
    & skf21("3","2","5","6","6","5","1","1") = "5"
    & skf21("3","2","5","6","6","5","2","1") = "5"
    & skf21("3","2","5","6","6","5","3","1") = "5"
    & skf21("3","2","5","6","6","5","4","1") = "5"
    & skf21("3","2","5","6","6","5","5","1") = "5"
    & skf21("3","2","5","6","6","5","6","1") = "5"
    & skf21("3","2","5","6","6","5","7","1") = "6"
    & skf21("3","2","5","6","6","6","1","1") = "5"
    & skf21("3","2","5","6","6","6","2","1") = "5"
    & skf21("3","2","5","6","6","6","3","1") = "5"
    & skf21("3","2","5","6","6","6","4","1") = "5"
    & skf21("3","2","5","6","6","6","5","1") = "5"
    & skf21("3","2","5","6","6","6","6","1") = "5"
    & skf21("3","2","5","6","6","6","7","1") = "6"
    & skf21("3","2","5","6","6","7","1","1") = "6"
    & skf21("3","2","5","6","6","7","2","1") = "6"
    & skf21("3","2","5","6","6","7","3","1") = "6"
    & skf21("3","2","5","6","6","7","4","1") = "6"
    & skf21("3","2","5","6","6","7","5","1") = "6"
    & skf21("3","2","5","6","6","7","6","1") = "6"
    & skf21("3","2","5","6","6","7","7","1") = "6"
    & skf21("3","2","5","6","7","1","1","1") = "6"
    & skf21("3","2","5","6","7","1","2","1") = "6"
    & skf21("3","2","5","6","7","1","3","1") = "6"
    & skf21("3","2","5","6","7","1","4","1") = "6"
    & skf21("3","2","5","6","7","1","5","1") = "6"
    & skf21("3","2","5","6","7","1","6","1") = "6"
    & skf21("3","2","5","6","7","1","7","1") = "6"
    & skf21("3","2","5","6","7","2","1","1") = "6"
    & skf21("3","2","5","6","7","2","2","1") = "6"
    & skf21("3","2","5","6","7","2","3","1") = "6"
    & skf21("3","2","5","6","7","2","4","1") = "6"
    & skf21("3","2","5","6","7","2","5","1") = "6"
    & skf21("3","2","5","6","7","2","6","1") = "6"
    & skf21("3","2","5","6","7","2","7","1") = "6"
    & skf21("3","2","5","6","7","3","1","1") = "6"
    & skf21("3","2","5","6","7","3","2","1") = "6"
    & skf21("3","2","5","6","7","3","3","1") = "6"
    & skf21("3","2","5","6","7","3","4","1") = "6"
    & skf21("3","2","5","6","7","3","5","1") = "6"
    & skf21("3","2","5","6","7","3","6","1") = "6"
    & skf21("3","2","5","6","7","3","7","1") = "6"
    & skf21("3","2","5","6","7","4","1","1") = "6"
    & skf21("3","2","5","6","7","4","2","1") = "6"
    & skf21("3","2","5","6","7","4","3","1") = "6"
    & skf21("3","2","5","6","7","4","4","1") = "6"
    & skf21("3","2","5","6","7","4","5","1") = "6"
    & skf21("3","2","5","6","7","4","6","1") = "6"
    & skf21("3","2","5","6","7","4","7","1") = "6"
    & skf21("3","2","5","6","7","5","1","1") = "6"
    & skf21("3","2","5","6","7","5","2","1") = "6"
    & skf21("3","2","5","6","7","5","3","1") = "6"
    & skf21("3","2","5","6","7","5","4","1") = "6"
    & skf21("3","2","5","6","7","5","5","1") = "6"
    & skf21("3","2","5","6","7","5","6","1") = "6"
    & skf21("3","2","5","6","7","5","7","1") = "6"
    & skf21("3","2","5","6","7","6","1","1") = "6"
    & skf21("3","2","5","6","7","6","2","1") = "6"
    & skf21("3","2","5","6","7","6","3","1") = "6"
    & skf21("3","2","5","6","7","6","4","1") = "6"
    & skf21("3","2","5","6","7","6","5","1") = "6"
    & skf21("3","2","5","6","7","6","6","1") = "6"
    & skf21("3","2","5","6","7","6","7","1") = "6"
    & skf21("3","2","5","6","7","7","1","1") = "6"
    & skf21("3","2","5","6","7","7","2","1") = "6"
    & skf21("3","2","5","6","7","7","3","1") = "6"
    & skf21("3","2","5","6","7","7","4","1") = "6"
    & skf21("3","2","5","6","7","7","5","1") = "6"
    & skf21("3","2","5","6","7","7","6","1") = "6"
    & skf21("3","2","5","6","7","7","7","1") = "6"
    & skf21("3","2","5","7","1","1","1","1") = "6"
    & skf21("3","2","5","7","1","1","2","1") = "6"
    & skf21("3","2","5","7","1","1","3","1") = "6"
    & skf21("3","2","5","7","1","1","4","1") = "6"
    & skf21("3","2","5","7","1","1","5","1") = "6"
    & skf21("3","2","5","7","1","1","6","1") = "6"
    & skf21("3","2","5","7","1","1","7","1") = "6"
    & skf21("3","2","5","7","1","2","1","1") = "6"
    & skf21("3","2","5","7","1","2","2","1") = "6"
    & skf21("3","2","5","7","1","2","3","1") = "6"
    & skf21("3","2","5","7","1","2","4","1") = "6"
    & skf21("3","2","5","7","1","2","5","1") = "6"
    & skf21("3","2","5","7","1","2","6","1") = "6"
    & skf21("3","2","5","7","1","2","7","1") = "6"
    & skf21("3","2","5","7","1","3","1","1") = "6"
    & skf21("3","2","5","7","1","3","2","1") = "6"
    & skf21("3","2","5","7","1","3","3","1") = "6"
    & skf21("3","2","5","7","1","3","4","1") = "6"
    & skf21("3","2","5","7","1","3","5","1") = "6"
    & skf21("3","2","5","7","1","3","6","1") = "6"
    & skf21("3","2","5","7","1","3","7","1") = "6"
    & skf21("3","2","5","7","1","4","1","1") = "6"
    & skf21("3","2","5","7","1","4","2","1") = "6"
    & skf21("3","2","5","7","1","4","3","1") = "6"
    & skf21("3","2","5","7","1","4","4","1") = "6"
    & skf21("3","2","5","7","1","4","5","1") = "6"
    & skf21("3","2","5","7","1","4","6","1") = "6"
    & skf21("3","2","5","7","1","4","7","1") = "6"
    & skf21("3","2","5","7","1","5","1","1") = "6"
    & skf21("3","2","5","7","1","5","2","1") = "6"
    & skf21("3","2","5","7","1","5","3","1") = "6"
    & skf21("3","2","5","7","1","5","4","1") = "6"
    & skf21("3","2","5","7","1","5","5","1") = "6"
    & skf21("3","2","5","7","1","5","6","1") = "6"
    & skf21("3","2","5","7","1","5","7","1") = "6"
    & skf21("3","2","5","7","1","6","1","1") = "6"
    & skf21("3","2","5","7","1","6","2","1") = "6"
    & skf21("3","2","5","7","1","6","3","1") = "6"
    & skf21("3","2","5","7","1","6","4","1") = "6"
    & skf21("3","2","5","7","1","6","5","1") = "6"
    & skf21("3","2","5","7","1","6","6","1") = "6"
    & skf21("3","2","5","7","1","6","7","1") = "6"
    & skf21("3","2","5","7","1","7","1","1") = "6"
    & skf21("3","2","5","7","1","7","2","1") = "6"
    & skf21("3","2","5","7","1","7","3","1") = "6"
    & skf21("3","2","5","7","1","7","4","1") = "6"
    & skf21("3","2","5","7","1","7","5","1") = "6"
    & skf21("3","2","5","7","1","7","6","1") = "6"
    & skf21("3","2","5","7","1","7","7","1") = "6"
    & skf21("3","2","5","7","2","1","1","1") = "6"
    & skf21("3","2","5","7","2","1","2","1") = "6"
    & skf21("3","2","5","7","2","1","3","1") = "6"
    & skf21("3","2","5","7","2","1","4","1") = "6"
    & skf21("3","2","5","7","2","1","5","1") = "6"
    & skf21("3","2","5","7","2","1","6","1") = "6"
    & skf21("3","2","5","7","2","1","7","1") = "6"
    & skf21("3","2","5","7","2","2","1","1") = "6"
    & skf21("3","2","5","7","2","2","2","1") = "6"
    & skf21("3","2","5","7","2","2","3","1") = "6"
    & skf21("3","2","5","7","2","2","4","1") = "6"
    & skf21("3","2","5","7","2","2","5","1") = "6"
    & skf21("3","2","5","7","2","2","6","1") = "6"
    & skf21("3","2","5","7","2","2","7","1") = "6"
    & skf21("3","2","5","7","2","3","1","1") = "6"
    & skf21("3","2","5","7","2","3","2","1") = "6"
    & skf21("3","2","5","7","2","3","3","1") = "6"
    & skf21("3","2","5","7","2","3","4","1") = "6"
    & skf21("3","2","5","7","2","3","5","1") = "6"
    & skf21("3","2","5","7","2","3","6","1") = "6"
    & skf21("3","2","5","7","2","3","7","1") = "6"
    & skf21("3","2","5","7","2","4","1","1") = "6"
    & skf21("3","2","5","7","2","4","2","1") = "6"
    & skf21("3","2","5","7","2","4","3","1") = "6"
    & skf21("3","2","5","7","2","4","4","1") = "6"
    & skf21("3","2","5","7","2","4","5","1") = "6"
    & skf21("3","2","5","7","2","4","6","1") = "6"
    & skf21("3","2","5","7","2","4","7","1") = "6"
    & skf21("3","2","5","7","2","5","1","1") = "6"
    & skf21("3","2","5","7","2","5","2","1") = "6"
    & skf21("3","2","5","7","2","5","3","1") = "6"
    & skf21("3","2","5","7","2","5","4","1") = "6"
    & skf21("3","2","5","7","2","5","5","1") = "6"
    & skf21("3","2","5","7","2","5","6","1") = "6"
    & skf21("3","2","5","7","2","5","7","1") = "6"
    & skf21("3","2","5","7","2","6","1","1") = "6"
    & skf21("3","2","5","7","2","6","2","1") = "6"
    & skf21("3","2","5","7","2","6","3","1") = "6"
    & skf21("3","2","5","7","2","6","4","1") = "6"
    & skf21("3","2","5","7","2","6","5","1") = "6"
    & skf21("3","2","5","7","2","6","6","1") = "6"
    & skf21("3","2","5","7","2","6","7","1") = "6"
    & skf21("3","2","5","7","2","7","1","1") = "6"
    & skf21("3","2","5","7","2","7","2","1") = "6"
    & skf21("3","2","5","7","2","7","3","1") = "6"
    & skf21("3","2","5","7","2","7","4","1") = "6"
    & skf21("3","2","5","7","2","7","5","1") = "6"
    & skf21("3","2","5","7","2","7","6","1") = "6"
    & skf21("3","2","5","7","2","7","7","1") = "6"
    & skf21("3","2","5","7","3","1","1","1") = "6"
    & skf21("3","2","5","7","3","1","2","1") = "6"
    & skf21("3","2","5","7","3","1","3","1") = "6"
    & skf21("3","2","5","7","3","1","4","1") = "6"
    & skf21("3","2","5","7","3","1","5","1") = "6"
    & skf21("3","2","5","7","3","1","6","1") = "6"
    & skf21("3","2","5","7","3","1","7","1") = "6"
    & skf21("3","2","5","7","3","2","1","1") = "6"
    & skf21("3","2","5","7","3","2","2","1") = "6"
    & skf21("3","2","5","7","3","2","3","1") = "6"
    & skf21("3","2","5","7","3","2","4","1") = "6"
    & skf21("3","2","5","7","3","2","5","1") = "6"
    & skf21("3","2","5","7","3","2","6","1") = "6"
    & skf21("3","2","5","7","3","2","7","1") = "6"
    & skf21("3","2","5","7","3","3","1","1") = "6"
    & skf21("3","2","5","7","3","3","2","1") = "6"
    & skf21("3","2","5","7","3","3","3","1") = "6"
    & skf21("3","2","5","7","3","3","4","1") = "6"
    & skf21("3","2","5","7","3","3","5","1") = "6"
    & skf21("3","2","5","7","3","3","6","1") = "6"
    & skf21("3","2","5","7","3","3","7","1") = "6"
    & skf21("3","2","5","7","3","4","1","1") = "6"
    & skf21("3","2","5","7","3","4","2","1") = "6"
    & skf21("3","2","5","7","3","4","3","1") = "6"
    & skf21("3","2","5","7","3","4","4","1") = "6"
    & skf21("3","2","5","7","3","4","5","1") = "6"
    & skf21("3","2","5","7","3","4","6","1") = "6"
    & skf21("3","2","5","7","3","4","7","1") = "6"
    & skf21("3","2","5","7","3","5","1","1") = "6"
    & skf21("3","2","5","7","3","5","2","1") = "6"
    & skf21("3","2","5","7","3","5","3","1") = "6"
    & skf21("3","2","5","7","3","5","4","1") = "6"
    & skf21("3","2","5","7","3","5","5","1") = "6"
    & skf21("3","2","5","7","3","5","6","1") = "6"
    & skf21("3","2","5","7","3","5","7","1") = "6"
    & skf21("3","2","5","7","3","6","1","1") = "6"
    & skf21("3","2","5","7","3","6","2","1") = "6"
    & skf21("3","2","5","7","3","6","3","1") = "6"
    & skf21("3","2","5","7","3","6","4","1") = "6"
    & skf21("3","2","5","7","3","6","5","1") = "6"
    & skf21("3","2","5","7","3","6","6","1") = "6"
    & skf21("3","2","5","7","3","6","7","1") = "6"
    & skf21("3","2","5","7","3","7","1","1") = "6"
    & skf21("3","2","5","7","3","7","2","1") = "6"
    & skf21("3","2","5","7","3","7","3","1") = "6"
    & skf21("3","2","5","7","3","7","4","1") = "6"
    & skf21("3","2","5","7","3","7","5","1") = "6"
    & skf21("3","2","5","7","3","7","6","1") = "6"
    & skf21("3","2","5","7","3","7","7","1") = "6"
    & skf21("3","2","5","7","4","1","1","1") = "6"
    & skf21("3","2","5","7","4","1","2","1") = "6"
    & skf21("3","2","5","7","4","1","3","1") = "6"
    & skf21("3","2","5","7","4","1","4","1") = "6"
    & skf21("3","2","5","7","4","1","5","1") = "6"
    & skf21("3","2","5","7","4","1","6","1") = "6"
    & skf21("3","2","5","7","4","1","7","1") = "6"
    & skf21("3","2","5","7","4","2","1","1") = "6"
    & skf21("3","2","5","7","4","2","2","1") = "6"
    & skf21("3","2","5","7","4","2","3","1") = "6"
    & skf21("3","2","5","7","4","2","4","1") = "6"
    & skf21("3","2","5","7","4","2","5","1") = "6"
    & skf21("3","2","5","7","4","2","6","1") = "6"
    & skf21("3","2","5","7","4","2","7","1") = "6"
    & skf21("3","2","5","7","4","3","1","1") = "6"
    & skf21("3","2","5","7","4","3","2","1") = "6"
    & skf21("3","2","5","7","4","3","3","1") = "6"
    & skf21("3","2","5","7","4","3","4","1") = "6"
    & skf21("3","2","5","7","4","3","5","1") = "6"
    & skf21("3","2","5","7","4","3","6","1") = "6"
    & skf21("3","2","5","7","4","3","7","1") = "6"
    & skf21("3","2","5","7","4","4","1","1") = "6"
    & skf21("3","2","5","7","4","4","2","1") = "6"
    & skf21("3","2","5","7","4","4","3","1") = "6"
    & skf21("3","2","5","7","4","4","4","1") = "6"
    & skf21("3","2","5","7","4","4","5","1") = "6"
    & skf21("3","2","5","7","4","4","6","1") = "6"
    & skf21("3","2","5","7","4","4","7","1") = "6"
    & skf21("3","2","5","7","4","5","1","1") = "6"
    & skf21("3","2","5","7","4","5","2","1") = "6"
    & skf21("3","2","5","7","4","5","3","1") = "6"
    & skf21("3","2","5","7","4","5","4","1") = "6"
    & skf21("3","2","5","7","4","5","5","1") = "6"
    & skf21("3","2","5","7","4","5","6","1") = "6"
    & skf21("3","2","5","7","4","5","7","1") = "6"
    & skf21("3","2","5","7","4","6","1","1") = "6"
    & skf21("3","2","5","7","4","6","2","1") = "6"
    & skf21("3","2","5","7","4","6","3","1") = "6"
    & skf21("3","2","5","7","4","6","4","1") = "6"
    & skf21("3","2","5","7","4","6","5","1") = "6"
    & skf21("3","2","5","7","4","6","6","1") = "6"
    & skf21("3","2","5","7","4","6","7","1") = "6"
    & skf21("3","2","5","7","4","7","1","1") = "6"
    & skf21("3","2","5","7","4","7","2","1") = "6"
    & skf21("3","2","5","7","4","7","3","1") = "6"
    & skf21("3","2","5","7","4","7","4","1") = "6"
    & skf21("3","2","5","7","4","7","5","1") = "6"
    & skf21("3","2","5","7","4","7","6","1") = "6"
    & skf21("3","2","5","7","4","7","7","1") = "6"
    & skf21("3","2","5","7","5","1","1","1") = "6"
    & skf21("3","2","5","7","5","1","2","1") = "6"
    & skf21("3","2","5","7","5","1","3","1") = "6"
    & skf21("3","2","5","7","5","1","4","1") = "6"
    & skf21("3","2","5","7","5","1","5","1") = "6"
    & skf21("3","2","5","7","5","1","6","1") = "6"
    & skf21("3","2","5","7","5","1","7","1") = "6"
    & skf21("3","2","5","7","5","2","1","1") = "6"
    & skf21("3","2","5","7","5","2","2","1") = "6"
    & skf21("3","2","5","7","5","2","3","1") = "6"
    & skf21("3","2","5","7","5","2","4","1") = "6"
    & skf21("3","2","5","7","5","2","5","1") = "6"
    & skf21("3","2","5","7","5","2","6","1") = "6"
    & skf21("3","2","5","7","5","2","7","1") = "6"
    & skf21("3","2","5","7","5","3","1","1") = "6"
    & skf21("3","2","5","7","5","3","2","1") = "6"
    & skf21("3","2","5","7","5","3","3","1") = "6"
    & skf21("3","2","5","7","5","3","4","1") = "6"
    & skf21("3","2","5","7","5","3","5","1") = "6"
    & skf21("3","2","5","7","5","3","6","1") = "6"
    & skf21("3","2","5","7","5","3","7","1") = "6"
    & skf21("3","2","5","7","5","4","1","1") = "6"
    & skf21("3","2","5","7","5","4","2","1") = "6"
    & skf21("3","2","5","7","5","4","3","1") = "6"
    & skf21("3","2","5","7","5","4","4","1") = "6"
    & skf21("3","2","5","7","5","4","5","1") = "6"
    & skf21("3","2","5","7","5","4","6","1") = "6"
    & skf21("3","2","5","7","5","4","7","1") = "6"
    & skf21("3","2","5","7","5","5","1","1") = "6"
    & skf21("3","2","5","7","5","5","2","1") = "6"
    & skf21("3","2","5","7","5","5","3","1") = "6"
    & skf21("3","2","5","7","5","5","4","1") = "6"
    & skf21("3","2","5","7","5","5","5","1") = "6"
    & skf21("3","2","5","7","5","5","6","1") = "6"
    & skf21("3","2","5","7","5","5","7","1") = "6"
    & skf21("3","2","5","7","5","6","1","1") = "6"
    & skf21("3","2","5","7","5","6","2","1") = "6"
    & skf21("3","2","5","7","5","6","3","1") = "6"
    & skf21("3","2","5","7","5","6","4","1") = "6"
    & skf21("3","2","5","7","5","6","5","1") = "6"
    & skf21("3","2","5","7","5","6","6","1") = "6"
    & skf21("3","2","5","7","5","6","7","1") = "6"
    & skf21("3","2","5","7","5","7","1","1") = "6"
    & skf21("3","2","5","7","5","7","2","1") = "6"
    & skf21("3","2","5","7","5","7","3","1") = "6"
    & skf21("3","2","5","7","5","7","4","1") = "6"
    & skf21("3","2","5","7","5","7","5","1") = "6"
    & skf21("3","2","5","7","5","7","6","1") = "6"
    & skf21("3","2","5","7","5","7","7","1") = "6"
    & skf21("3","2","5","7","6","1","1","1") = "6"
    & skf21("3","2","5","7","6","1","2","1") = "6"
    & skf21("3","2","5","7","6","1","3","1") = "6"
    & skf21("3","2","5","7","6","1","4","1") = "6"
    & skf21("3","2","5","7","6","1","5","1") = "6"
    & skf21("3","2","5","7","6","1","6","1") = "6"
    & skf21("3","2","5","7","6","1","7","1") = "6"
    & skf21("3","2","5","7","6","2","1","1") = "6"
    & skf21("3","2","5","7","6","2","2","1") = "6"
    & skf21("3","2","5","7","6","2","3","1") = "6"
    & skf21("3","2","5","7","6","2","4","1") = "6"
    & skf21("3","2","5","7","6","2","5","1") = "6"
    & skf21("3","2","5","7","6","2","6","1") = "6"
    & skf21("3","2","5","7","6","2","7","1") = "6"
    & skf21("3","2","5","7","6","3","1","1") = "6"
    & skf21("3","2","5","7","6","3","2","1") = "6"
    & skf21("3","2","5","7","6","3","3","1") = "6"
    & skf21("3","2","5","7","6","3","4","1") = "6"
    & skf21("3","2","5","7","6","3","5","1") = "6"
    & skf21("3","2","5","7","6","3","6","1") = "6"
    & skf21("3","2","5","7","6","3","7","1") = "6"
    & skf21("3","2","5","7","6","4","1","1") = "6"
    & skf21("3","2","5","7","6","4","2","1") = "6"
    & skf21("3","2","5","7","6","4","3","1") = "6"
    & skf21("3","2","5","7","6","4","4","1") = "6"
    & skf21("3","2","5","7","6","4","5","1") = "6"
    & skf21("3","2","5","7","6","4","6","1") = "6"
    & skf21("3","2","5","7","6","4","7","1") = "6"
    & skf21("3","2","5","7","6","5","1","1") = "6"
    & skf21("3","2","5","7","6","5","2","1") = "6"
    & skf21("3","2","5","7","6","5","3","1") = "6"
    & skf21("3","2","5","7","6","5","4","1") = "6"
    & skf21("3","2","5","7","6","5","5","1") = "6"
    & skf21("3","2","5","7","6","5","6","1") = "6"
    & skf21("3","2","5","7","6","5","7","1") = "6"
    & skf21("3","2","5","7","6","6","1","1") = "6"
    & skf21("3","2","5","7","6","6","2","1") = "6"
    & skf21("3","2","5","7","6","6","3","1") = "6"
    & skf21("3","2","5","7","6","6","4","1") = "6"
    & skf21("3","2","5","7","6","6","5","1") = "6"
    & skf21("3","2","5","7","6","6","6","1") = "6"
    & skf21("3","2","5","7","6","6","7","1") = "6"
    & skf21("3","2","5","7","6","7","1","1") = "6"
    & skf21("3","2","5","7","6","7","2","1") = "6"
    & skf21("3","2","5","7","6","7","3","1") = "6"
    & skf21("3","2","5","7","6","7","4","1") = "6"
    & skf21("3","2","5","7","6","7","5","1") = "6"
    & skf21("3","2","5","7","6","7","6","1") = "6"
    & skf21("3","2","5","7","6","7","7","1") = "6"
    & skf21("3","2","5","7","7","1","1","1") = "6"
    & skf21("3","2","5","7","7","1","2","1") = "6"
    & skf21("3","2","5","7","7","1","3","1") = "6"
    & skf21("3","2","5","7","7","1","4","1") = "6"
    & skf21("3","2","5","7","7","1","5","1") = "6"
    & skf21("3","2","5","7","7","1","6","1") = "6"
    & skf21("3","2","5","7","7","1","7","1") = "6"
    & skf21("3","2","5","7","7","2","1","1") = "6"
    & skf21("3","2","5","7","7","2","2","1") = "6"
    & skf21("3","2","5","7","7","2","3","1") = "6"
    & skf21("3","2","5","7","7","2","4","1") = "6"
    & skf21("3","2","5","7","7","2","5","1") = "6"
    & skf21("3","2","5","7","7","2","6","1") = "6"
    & skf21("3","2","5","7","7","2","7","1") = "6"
    & skf21("3","2","5","7","7","3","1","1") = "6"
    & skf21("3","2","5","7","7","3","2","1") = "6"
    & skf21("3","2","5","7","7","3","3","1") = "6"
    & skf21("3","2","5","7","7","3","4","1") = "6"
    & skf21("3","2","5","7","7","3","5","1") = "6"
    & skf21("3","2","5","7","7","3","6","1") = "6"
    & skf21("3","2","5","7","7","3","7","1") = "6"
    & skf21("3","2","5","7","7","4","1","1") = "6"
    & skf21("3","2","5","7","7","4","2","1") = "6"
    & skf21("3","2","5","7","7","4","3","1") = "6"
    & skf21("3","2","5","7","7","4","4","1") = "6"
    & skf21("3","2","5","7","7","4","5","1") = "6"
    & skf21("3","2","5","7","7","4","6","1") = "6"
    & skf21("3","2","5","7","7","4","7","1") = "6"
    & skf21("3","2","5","7","7","5","1","1") = "6"
    & skf21("3","2","5","7","7","5","2","1") = "6"
    & skf21("3","2","5","7","7","5","3","1") = "6"
    & skf21("3","2","5","7","7","5","4","1") = "6"
    & skf21("3","2","5","7","7","5","5","1") = "6"
    & skf21("3","2","5","7","7","5","6","1") = "6"
    & skf21("3","2","5","7","7","5","7","1") = "6"
    & skf21("3","2","5","7","7","6","1","1") = "6"
    & skf21("3","2","5","7","7","6","2","1") = "6"
    & skf21("3","2","5","7","7","6","3","1") = "6"
    & skf21("3","2","5","7","7","6","4","1") = "6"
    & skf21("3","2","5","7","7","6","5","1") = "6"
    & skf21("3","2","5","7","7","6","6","1") = "6"
    & skf21("3","2","5","7","7","6","7","1") = "6"
    & skf21("3","2","5","7","7","7","1","1") = "6"
    & skf21("3","2","5","7","7","7","2","1") = "6"
    & skf21("3","2","5","7","7","7","3","1") = "6"
    & skf21("3","2","5","7","7","7","4","1") = "6"
    & skf21("3","2","5","7","7","7","5","1") = "6"
    & skf21("3","2","5","7","7","7","6","1") = "6"
    & skf21("3","2","5","7","7","7","7","1") = "6"
    & skf21("3","2","6","1","1","1","1","1") = "5"
    & skf21("3","2","6","1","1","1","2","1") = "5"
    & skf21("3","2","6","1","1","1","3","1") = "5"
    & skf21("3","2","6","1","1","1","4","1") = "5"
    & skf21("3","2","6","1","1","1","5","1") = "5"
    & skf21("3","2","6","1","1","1","6","1") = "5"
    & skf21("3","2","6","1","1","1","7","1") = "6"
    & skf21("3","2","6","1","1","2","1","1") = "5"
    & skf21("3","2","6","1","1","2","2","1") = "5"
    & skf21("3","2","6","1","1","2","3","1") = "5"
    & skf21("3","2","6","1","1","2","4","1") = "5"
    & skf21("3","2","6","1","1","2","5","1") = "5"
    & skf21("3","2","6","1","1","2","6","1") = "5"
    & skf21("3","2","6","1","1","2","7","1") = "6"
    & skf21("3","2","6","1","1","3","1","1") = "5"
    & skf21("3","2","6","1","1","3","2","1") = "5"
    & skf21("3","2","6","1","1","3","3","1") = "5"
    & skf21("3","2","6","1","1","3","4","1") = "5"
    & skf21("3","2","6","1","1","3","5","1") = "5"
    & skf21("3","2","6","1","1","3","6","1") = "5"
    & skf21("3","2","6","1","1","3","7","1") = "6"
    & skf21("3","2","6","1","1","4","1","1") = "5"
    & skf21("3","2","6","1","1","4","2","1") = "5"
    & skf21("3","2","6","1","1","4","3","1") = "5"
    & skf21("3","2","6","1","1","4","4","1") = "5"
    & skf21("3","2","6","1","1","4","5","1") = "5"
    & skf21("3","2","6","1","1","4","6","1") = "5"
    & skf21("3","2","6","1","1","4","7","1") = "6"
    & skf21("3","2","6","1","1","5","1","1") = "5"
    & skf21("3","2","6","1","1","5","2","1") = "5"
    & skf21("3","2","6","1","1","5","3","1") = "5"
    & skf21("3","2","6","1","1","5","4","1") = "5"
    & skf21("3","2","6","1","1","5","5","1") = "5"
    & skf21("3","2","6","1","1","5","6","1") = "5"
    & skf21("3","2","6","1","1","5","7","1") = "6"
    & skf21("3","2","6","1","1","6","1","1") = "5"
    & skf21("3","2","6","1","1","6","2","1") = "5"
    & skf21("3","2","6","1","1","6","3","1") = "5"
    & skf21("3","2","6","1","1","6","4","1") = "5"
    & skf21("3","2","6","1","1","6","5","1") = "5"
    & skf21("3","2","6","1","1","6","6","1") = "5"
    & skf21("3","2","6","1","1","6","7","1") = "6"
    & skf21("3","2","6","1","1","7","1","1") = "6"
    & skf21("3","2","6","1","1","7","2","1") = "6"
    & skf21("3","2","6","1","1","7","3","1") = "6"
    & skf21("3","2","6","1","1","7","4","1") = "6"
    & skf21("3","2","6","1","1","7","5","1") = "6"
    & skf21("3","2","6","1","1","7","6","1") = "6"
    & skf21("3","2","6","1","1","7","7","1") = "6"
    & skf21("3","2","6","1","2","1","1","1") = "5"
    & skf21("3","2","6","1","2","1","2","1") = "5"
    & skf21("3","2","6","1","2","1","3","1") = "5"
    & skf21("3","2","6","1","2","1","4","1") = "5"
    & skf21("3","2","6","1","2","1","5","1") = "5"
    & skf21("3","2","6","1","2","1","6","1") = "5"
    & skf21("3","2","6","1","2","1","7","1") = "6"
    & skf21("3","2","6","1","2","2","1","1") = "5"
    & skf21("3","2","6","1","2","2","2","1") = "5"
    & skf21("3","2","6","1","2","2","3","1") = "5"
    & skf21("3","2","6","1","2","2","4","1") = "5"
    & skf21("3","2","6","1","2","2","5","1") = "5"
    & skf21("3","2","6","1","2","2","6","1") = "5"
    & skf21("3","2","6","1","2","2","7","1") = "6"
    & skf21("3","2","6","1","2","3","1","1") = "5"
    & skf21("3","2","6","1","2","3","2","1") = "5"
    & skf21("3","2","6","1","2","3","3","1") = "5"
    & skf21("3","2","6","1","2","3","4","1") = "5"
    & skf21("3","2","6","1","2","3","5","1") = "5"
    & skf21("3","2","6","1","2","3","6","1") = "5"
    & skf21("3","2","6","1","2","3","7","1") = "6"
    & skf21("3","2","6","1","2","4","1","1") = "5"
    & skf21("3","2","6","1","2","4","2","1") = "5"
    & skf21("3","2","6","1","2","4","3","1") = "5"
    & skf21("3","2","6","1","2","4","4","1") = "5"
    & skf21("3","2","6","1","2","4","5","1") = "5"
    & skf21("3","2","6","1","2","4","6","1") = "5"
    & skf21("3","2","6","1","2","4","7","1") = "6"
    & skf21("3","2","6","1","2","5","1","1") = "5"
    & skf21("3","2","6","1","2","5","2","1") = "5"
    & skf21("3","2","6","1","2","5","3","1") = "5"
    & skf21("3","2","6","1","2","5","4","1") = "5"
    & skf21("3","2","6","1","2","5","5","1") = "5"
    & skf21("3","2","6","1","2","5","6","1") = "5"
    & skf21("3","2","6","1","2","5","7","1") = "6"
    & skf21("3","2","6","1","2","6","1","1") = "5"
    & skf21("3","2","6","1","2","6","2","1") = "5"
    & skf21("3","2","6","1","2","6","3","1") = "5"
    & skf21("3","2","6","1","2","6","4","1") = "5"
    & skf21("3","2","6","1","2","6","5","1") = "5"
    & skf21("3","2","6","1","2","6","6","1") = "5"
    & skf21("3","2","6","1","2","6","7","1") = "6"
    & skf21("3","2","6","1","2","7","1","1") = "6"
    & skf21("3","2","6","1","2","7","2","1") = "6"
    & skf21("3","2","6","1","2","7","3","1") = "6"
    & skf21("3","2","6","1","2","7","4","1") = "6"
    & skf21("3","2","6","1","2","7","5","1") = "6"
    & skf21("3","2","6","1","2","7","6","1") = "6"
    & skf21("3","2","6","1","2","7","7","1") = "6"
    & skf21("3","2","6","1","3","1","1","1") = "5"
    & skf21("3","2","6","1","3","1","2","1") = "5"
    & skf21("3","2","6","1","3","1","3","1") = "5"
    & skf21("3","2","6","1","3","1","4","1") = "5"
    & skf21("3","2","6","1","3","1","5","1") = "5"
    & skf21("3","2","6","1","3","1","6","1") = "5"
    & skf21("3","2","6","1","3","1","7","1") = "6"
    & skf21("3","2","6","1","3","2","1","1") = "5"
    & skf21("3","2","6","1","3","2","2","1") = "5"
    & skf21("3","2","6","1","3","2","3","1") = "5"
    & skf21("3","2","6","1","3","2","4","1") = "5"
    & skf21("3","2","6","1","3","2","5","1") = "5"
    & skf21("3","2","6","1","3","2","6","1") = "5"
    & skf21("3","2","6","1","3","2","7","1") = "6"
    & skf21("3","2","6","1","3","3","1","1") = "5"
    & skf21("3","2","6","1","3","3","2","1") = "5"
    & skf21("3","2","6","1","3","3","3","1") = "5"
    & skf21("3","2","6","1","3","3","4","1") = "5"
    & skf21("3","2","6","1","3","3","5","1") = "5"
    & skf21("3","2","6","1","3","3","6","1") = "5"
    & skf21("3","2","6","1","3","3","7","1") = "6"
    & skf21("3","2","6","1","3","4","1","1") = "5"
    & skf21("3","2","6","1","3","4","2","1") = "5"
    & skf21("3","2","6","1","3","4","3","1") = "5"
    & skf21("3","2","6","1","3","4","4","1") = "5"
    & skf21("3","2","6","1","3","4","5","1") = "5"
    & skf21("3","2","6","1","3","4","6","1") = "5"
    & skf21("3","2","6","1","3","4","7","1") = "6"
    & skf21("3","2","6","1","3","5","1","1") = "5"
    & skf21("3","2","6","1","3","5","2","1") = "5"
    & skf21("3","2","6","1","3","5","3","1") = "5"
    & skf21("3","2","6","1","3","5","4","1") = "5"
    & skf21("3","2","6","1","3","5","5","1") = "5"
    & skf21("3","2","6","1","3","5","6","1") = "5"
    & skf21("3","2","6","1","3","5","7","1") = "6"
    & skf21("3","2","6","1","3","6","1","1") = "5"
    & skf21("3","2","6","1","3","6","2","1") = "5"
    & skf21("3","2","6","1","3","6","3","1") = "5"
    & skf21("3","2","6","1","3","6","4","1") = "5"
    & skf21("3","2","6","1","3","6","5","1") = "5"
    & skf21("3","2","6","1","3","6","6","1") = "5"
    & skf21("3","2","6","1","3","6","7","1") = "6"
    & skf21("3","2","6","1","3","7","1","1") = "6"
    & skf21("3","2","6","1","3","7","2","1") = "6"
    & skf21("3","2","6","1","3","7","3","1") = "6"
    & skf21("3","2","6","1","3","7","4","1") = "6"
    & skf21("3","2","6","1","3","7","5","1") = "6"
    & skf21("3","2","6","1","3","7","6","1") = "6"
    & skf21("3","2","6","1","3","7","7","1") = "6"
    & skf21("3","2","6","1","4","1","1","1") = "5"
    & skf21("3","2","6","1","4","1","2","1") = "5"
    & skf21("3","2","6","1","4","1","3","1") = "5"
    & skf21("3","2","6","1","4","1","4","1") = "5"
    & skf21("3","2","6","1","4","1","5","1") = "5"
    & skf21("3","2","6","1","4","1","6","1") = "5"
    & skf21("3","2","6","1","4","1","7","1") = "6"
    & skf21("3","2","6","1","4","2","1","1") = "5"
    & skf21("3","2","6","1","4","2","2","1") = "5"
    & skf21("3","2","6","1","4","2","3","1") = "5"
    & skf21("3","2","6","1","4","2","4","1") = "5"
    & skf21("3","2","6","1","4","2","5","1") = "5"
    & skf21("3","2","6","1","4","2","6","1") = "5"
    & skf21("3","2","6","1","4","2","7","1") = "6"
    & skf21("3","2","6","1","4","3","1","1") = "5"
    & skf21("3","2","6","1","4","3","2","1") = "5"
    & skf21("3","2","6","1","4","3","3","1") = "5"
    & skf21("3","2","6","1","4","3","4","1") = "5"
    & skf21("3","2","6","1","4","3","5","1") = "5"
    & skf21("3","2","6","1","4","3","6","1") = "5"
    & skf21("3","2","6","1","4","3","7","1") = "6"
    & skf21("3","2","6","1","4","4","1","1") = "5"
    & skf21("3","2","6","1","4","4","2","1") = "5"
    & skf21("3","2","6","1","4","4","3","1") = "5"
    & skf21("3","2","6","1","4","4","4","1") = "5"
    & skf21("3","2","6","1","4","4","5","1") = "5"
    & skf21("3","2","6","1","4","4","6","1") = "5"
    & skf21("3","2","6","1","4","4","7","1") = "6"
    & skf21("3","2","6","1","4","5","1","1") = "5"
    & skf21("3","2","6","1","4","5","2","1") = "5"
    & skf21("3","2","6","1","4","5","3","1") = "5"
    & skf21("3","2","6","1","4","5","4","1") = "5"
    & skf21("3","2","6","1","4","5","5","1") = "5"
    & skf21("3","2","6","1","4","5","6","1") = "5"
    & skf21("3","2","6","1","4","5","7","1") = "6"
    & skf21("3","2","6","1","4","6","1","1") = "5"
    & skf21("3","2","6","1","4","6","2","1") = "5"
    & skf21("3","2","6","1","4","6","3","1") = "5"
    & skf21("3","2","6","1","4","6","4","1") = "5"
    & skf21("3","2","6","1","4","6","5","1") = "5"
    & skf21("3","2","6","1","4","6","6","1") = "5"
    & skf21("3","2","6","1","4","6","7","1") = "6"
    & skf21("3","2","6","1","4","7","1","1") = "6"
    & skf21("3","2","6","1","4","7","2","1") = "6"
    & skf21("3","2","6","1","4","7","3","1") = "6"
    & skf21("3","2","6","1","4","7","4","1") = "6"
    & skf21("3","2","6","1","4","7","5","1") = "6"
    & skf21("3","2","6","1","4","7","6","1") = "6"
    & skf21("3","2","6","1","4","7","7","1") = "6"
    & skf21("3","2","6","1","5","1","1","1") = "5"
    & skf21("3","2","6","1","5","1","2","1") = "5"
    & skf21("3","2","6","1","5","1","3","1") = "5"
    & skf21("3","2","6","1","5","1","4","1") = "5"
    & skf21("3","2","6","1","5","1","5","1") = "5"
    & skf21("3","2","6","1","5","1","6","1") = "5"
    & skf21("3","2","6","1","5","1","7","1") = "6"
    & skf21("3","2","6","1","5","2","1","1") = "5"
    & skf21("3","2","6","1","5","2","2","1") = "5"
    & skf21("3","2","6","1","5","2","3","1") = "5"
    & skf21("3","2","6","1","5","2","4","1") = "5"
    & skf21("3","2","6","1","5","2","5","1") = "5"
    & skf21("3","2","6","1","5","2","6","1") = "5"
    & skf21("3","2","6","1","5","2","7","1") = "6"
    & skf21("3","2","6","1","5","3","1","1") = "5"
    & skf21("3","2","6","1","5","3","2","1") = "5"
    & skf21("3","2","6","1","5","3","3","1") = "5"
    & skf21("3","2","6","1","5","3","4","1") = "5"
    & skf21("3","2","6","1","5","3","5","1") = "5"
    & skf21("3","2","6","1","5","3","6","1") = "5"
    & skf21("3","2","6","1","5","3","7","1") = "6"
    & skf21("3","2","6","1","5","4","1","1") = "5"
    & skf21("3","2","6","1","5","4","2","1") = "5"
    & skf21("3","2","6","1","5","4","3","1") = "5"
    & skf21("3","2","6","1","5","4","4","1") = "5"
    & skf21("3","2","6","1","5","4","5","1") = "5"
    & skf21("3","2","6","1","5","4","6","1") = "5"
    & skf21("3","2","6","1","5","4","7","1") = "6"
    & skf21("3","2","6","1","5","5","1","1") = "5"
    & skf21("3","2","6","1","5","5","2","1") = "5"
    & skf21("3","2","6","1","5","5","3","1") = "5"
    & skf21("3","2","6","1","5","5","4","1") = "5"
    & skf21("3","2","6","1","5","5","5","1") = "5"
    & skf21("3","2","6","1","5","5","6","1") = "5"
    & skf21("3","2","6","1","5","5","7","1") = "6"
    & skf21("3","2","6","1","5","6","1","1") = "5"
    & skf21("3","2","6","1","5","6","2","1") = "5"
    & skf21("3","2","6","1","5","6","3","1") = "5"
    & skf21("3","2","6","1","5","6","4","1") = "5"
    & skf21("3","2","6","1","5","6","5","1") = "5"
    & skf21("3","2","6","1","5","6","6","1") = "5"
    & skf21("3","2","6","1","5","6","7","1") = "6"
    & skf21("3","2","6","1","5","7","1","1") = "6"
    & skf21("3","2","6","1","5","7","2","1") = "6"
    & skf21("3","2","6","1","5","7","3","1") = "6"
    & skf21("3","2","6","1","5","7","4","1") = "6"
    & skf21("3","2","6","1","5","7","5","1") = "6"
    & skf21("3","2","6","1","5","7","6","1") = "6"
    & skf21("3","2","6","1","5","7","7","1") = "6"
    & skf21("3","2","6","1","6","1","1","1") = "5"
    & skf21("3","2","6","1","6","1","2","1") = "5"
    & skf21("3","2","6","1","6","1","3","1") = "5"
    & skf21("3","2","6","1","6","1","4","1") = "5"
    & skf21("3","2","6","1","6","1","5","1") = "5"
    & skf21("3","2","6","1","6","1","6","1") = "5"
    & skf21("3","2","6","1","6","1","7","1") = "6"
    & skf21("3","2","6","1","6","2","1","1") = "5"
    & skf21("3","2","6","1","6","2","2","1") = "5"
    & skf21("3","2","6","1","6","2","3","1") = "5"
    & skf21("3","2","6","1","6","2","4","1") = "5"
    & skf21("3","2","6","1","6","2","5","1") = "5"
    & skf21("3","2","6","1","6","2","6","1") = "5"
    & skf21("3","2","6","1","6","2","7","1") = "6"
    & skf21("3","2","6","1","6","3","1","1") = "5"
    & skf21("3","2","6","1","6","3","2","1") = "5"
    & skf21("3","2","6","1","6","3","3","1") = "5"
    & skf21("3","2","6","1","6","3","4","1") = "5"
    & skf21("3","2","6","1","6","3","5","1") = "5"
    & skf21("3","2","6","1","6","3","6","1") = "5"
    & skf21("3","2","6","1","6","3","7","1") = "6"
    & skf21("3","2","6","1","6","4","1","1") = "5"
    & skf21("3","2","6","1","6","4","2","1") = "5"
    & skf21("3","2","6","1","6","4","3","1") = "5"
    & skf21("3","2","6","1","6","4","4","1") = "5"
    & skf21("3","2","6","1","6","4","5","1") = "5"
    & skf21("3","2","6","1","6","4","6","1") = "5"
    & skf21("3","2","6","1","6","4","7","1") = "6"
    & skf21("3","2","6","1","6","5","1","1") = "5"
    & skf21("3","2","6","1","6","5","2","1") = "5"
    & skf21("3","2","6","1","6","5","3","1") = "5"
    & skf21("3","2","6","1","6","5","4","1") = "5"
    & skf21("3","2","6","1","6","5","5","1") = "5"
    & skf21("3","2","6","1","6","5","6","1") = "5"
    & skf21("3","2","6","1","6","5","7","1") = "6"
    & skf21("3","2","6","1","6","6","1","1") = "5"
    & skf21("3","2","6","1","6","6","2","1") = "5"
    & skf21("3","2","6","1","6","6","3","1") = "5"
    & skf21("3","2","6","1","6","6","4","1") = "5"
    & skf21("3","2","6","1","6","6","5","1") = "5"
    & skf21("3","2","6","1","6","6","6","1") = "5"
    & skf21("3","2","6","1","6","6","7","1") = "6"
    & skf21("3","2","6","1","6","7","1","1") = "6"
    & skf21("3","2","6","1","6","7","2","1") = "6"
    & skf21("3","2","6","1","6","7","3","1") = "6"
    & skf21("3","2","6","1","6","7","4","1") = "6"
    & skf21("3","2","6","1","6","7","5","1") = "6"
    & skf21("3","2","6","1","6","7","6","1") = "6"
    & skf21("3","2","6","1","6","7","7","1") = "6"
    & skf21("3","2","6","1","7","1","1","1") = "6"
    & skf21("3","2","6","1","7","1","2","1") = "6"
    & skf21("3","2","6","1","7","1","3","1") = "6"
    & skf21("3","2","6","1","7","1","4","1") = "6"
    & skf21("3","2","6","1","7","1","5","1") = "6"
    & skf21("3","2","6","1","7","1","6","1") = "6"
    & skf21("3","2","6","1","7","1","7","1") = "6"
    & skf21("3","2","6","1","7","2","1","1") = "6"
    & skf21("3","2","6","1","7","2","2","1") = "6"
    & skf21("3","2","6","1","7","2","3","1") = "6"
    & skf21("3","2","6","1","7","2","4","1") = "6"
    & skf21("3","2","6","1","7","2","5","1") = "6"
    & skf21("3","2","6","1","7","2","6","1") = "6"
    & skf21("3","2","6","1","7","2","7","1") = "6"
    & skf21("3","2","6","1","7","3","1","1") = "6"
    & skf21("3","2","6","1","7","3","2","1") = "6"
    & skf21("3","2","6","1","7","3","3","1") = "6"
    & skf21("3","2","6","1","7","3","4","1") = "6"
    & skf21("3","2","6","1","7","3","5","1") = "6"
    & skf21("3","2","6","1","7","3","6","1") = "6"
    & skf21("3","2","6","1","7","3","7","1") = "6"
    & skf21("3","2","6","1","7","4","1","1") = "6"
    & skf21("3","2","6","1","7","4","2","1") = "6"
    & skf21("3","2","6","1","7","4","3","1") = "6"
    & skf21("3","2","6","1","7","4","4","1") = "6"
    & skf21("3","2","6","1","7","4","5","1") = "6"
    & skf21("3","2","6","1","7","4","6","1") = "6"
    & skf21("3","2","6","1","7","4","7","1") = "6"
    & skf21("3","2","6","1","7","5","1","1") = "6"
    & skf21("3","2","6","1","7","5","2","1") = "6"
    & skf21("3","2","6","1","7","5","3","1") = "6"
    & skf21("3","2","6","1","7","5","4","1") = "6"
    & skf21("3","2","6","1","7","5","5","1") = "6"
    & skf21("3","2","6","1","7","5","6","1") = "6"
    & skf21("3","2","6","1","7","5","7","1") = "6"
    & skf21("3","2","6","1","7","6","1","1") = "6"
    & skf21("3","2","6","1","7","6","2","1") = "6"
    & skf21("3","2","6","1","7","6","3","1") = "6"
    & skf21("3","2","6","1","7","6","4","1") = "6"
    & skf21("3","2","6","1","7","6","5","1") = "6"
    & skf21("3","2","6","1","7","6","6","1") = "6"
    & skf21("3","2","6","1","7","6","7","1") = "6"
    & skf21("3","2","6","1","7","7","1","1") = "6"
    & skf21("3","2","6","1","7","7","2","1") = "6"
    & skf21("3","2","6","1","7","7","3","1") = "6"
    & skf21("3","2","6","1","7","7","4","1") = "6"
    & skf21("3","2","6","1","7","7","5","1") = "6"
    & skf21("3","2","6","1","7","7","6","1") = "6"
    & skf21("3","2","6","1","7","7","7","1") = "6"
    & skf21("3","2","6","2","1","1","1","1") = "5"
    & skf21("3","2","6","2","1","1","2","1") = "5"
    & skf21("3","2","6","2","1","1","3","1") = "5"
    & skf21("3","2","6","2","1","1","4","1") = "5"
    & skf21("3","2","6","2","1","1","5","1") = "5"
    & skf21("3","2","6","2","1","1","6","1") = "5"
    & skf21("3","2","6","2","1","1","7","1") = "6"
    & skf21("3","2","6","2","1","2","1","1") = "5"
    & skf21("3","2","6","2","1","2","2","1") = "5"
    & skf21("3","2","6","2","1","2","3","1") = "5"
    & skf21("3","2","6","2","1","2","4","1") = "5"
    & skf21("3","2","6","2","1","2","5","1") = "5"
    & skf21("3","2","6","2","1","2","6","1") = "5"
    & skf21("3","2","6","2","1","2","7","1") = "6"
    & skf21("3","2","6","2","1","3","1","1") = "5"
    & skf21("3","2","6","2","1","3","2","1") = "5"
    & skf21("3","2","6","2","1","3","3","1") = "5"
    & skf21("3","2","6","2","1","3","4","1") = "5"
    & skf21("3","2","6","2","1","3","5","1") = "5"
    & skf21("3","2","6","2","1","3","6","1") = "5"
    & skf21("3","2","6","2","1","3","7","1") = "6"
    & skf21("3","2","6","2","1","4","1","1") = "5"
    & skf21("3","2","6","2","1","4","2","1") = "5"
    & skf21("3","2","6","2","1","4","3","1") = "5"
    & skf21("3","2","6","2","1","4","4","1") = "5"
    & skf21("3","2","6","2","1","4","5","1") = "5"
    & skf21("3","2","6","2","1","4","6","1") = "5"
    & skf21("3","2","6","2","1","4","7","1") = "6"
    & skf21("3","2","6","2","1","5","1","1") = "5"
    & skf21("3","2","6","2","1","5","2","1") = "5"
    & skf21("3","2","6","2","1","5","3","1") = "5"
    & skf21("3","2","6","2","1","5","4","1") = "5"
    & skf21("3","2","6","2","1","5","5","1") = "5"
    & skf21("3","2","6","2","1","5","6","1") = "5"
    & skf21("3","2","6","2","1","5","7","1") = "6"
    & skf21("3","2","6","2","1","6","1","1") = "5"
    & skf21("3","2","6","2","1","6","2","1") = "5"
    & skf21("3","2","6","2","1","6","3","1") = "5"
    & skf21("3","2","6","2","1","6","4","1") = "5"
    & skf21("3","2","6","2","1","6","5","1") = "5"
    & skf21("3","2","6","2","1","6","6","1") = "5"
    & skf21("3","2","6","2","1","6","7","1") = "6"
    & skf21("3","2","6","2","1","7","1","1") = "6"
    & skf21("3","2","6","2","1","7","2","1") = "6"
    & skf21("3","2","6","2","1","7","3","1") = "6"
    & skf21("3","2","6","2","1","7","4","1") = "6"
    & skf21("3","2","6","2","1","7","5","1") = "6"
    & skf21("3","2","6","2","1","7","6","1") = "6"
    & skf21("3","2","6","2","1","7","7","1") = "6"
    & skf21("3","2","6","2","2","1","1","1") = "5"
    & skf21("3","2","6","2","2","1","2","1") = "5"
    & skf21("3","2","6","2","2","1","3","1") = "5"
    & skf21("3","2","6","2","2","1","4","1") = "5"
    & skf21("3","2","6","2","2","1","5","1") = "5"
    & skf21("3","2","6","2","2","1","6","1") = "5"
    & skf21("3","2","6","2","2","1","7","1") = "6"
    & skf21("3","2","6","2","2","2","1","1") = "5"
    & skf21("3","2","6","2","2","2","2","1") = "5"
    & skf21("3","2","6","2","2","2","3","1") = "5"
    & skf21("3","2","6","2","2","2","4","1") = "5"
    & skf21("3","2","6","2","2","2","5","1") = "5"
    & skf21("3","2","6","2","2","2","6","1") = "5"
    & skf21("3","2","6","2","2","2","7","1") = "6"
    & skf21("3","2","6","2","2","3","1","1") = "5"
    & skf21("3","2","6","2","2","3","2","1") = "5"
    & skf21("3","2","6","2","2","3","3","1") = "5"
    & skf21("3","2","6","2","2","3","4","1") = "5"
    & skf21("3","2","6","2","2","3","5","1") = "5"
    & skf21("3","2","6","2","2","3","6","1") = "5"
    & skf21("3","2","6","2","2","3","7","1") = "6"
    & skf21("3","2","6","2","2","4","1","1") = "5"
    & skf21("3","2","6","2","2","4","2","1") = "5"
    & skf21("3","2","6","2","2","4","3","1") = "5"
    & skf21("3","2","6","2","2","4","4","1") = "5"
    & skf21("3","2","6","2","2","4","5","1") = "5"
    & skf21("3","2","6","2","2","4","6","1") = "5"
    & skf21("3","2","6","2","2","4","7","1") = "6"
    & skf21("3","2","6","2","2","5","1","1") = "5"
    & skf21("3","2","6","2","2","5","2","1") = "5"
    & skf21("3","2","6","2","2","5","3","1") = "5"
    & skf21("3","2","6","2","2","5","4","1") = "5"
    & skf21("3","2","6","2","2","5","5","1") = "5"
    & skf21("3","2","6","2","2","5","6","1") = "5"
    & skf21("3","2","6","2","2","5","7","1") = "6"
    & skf21("3","2","6","2","2","6","1","1") = "5"
    & skf21("3","2","6","2","2","6","2","1") = "5"
    & skf21("3","2","6","2","2","6","3","1") = "5"
    & skf21("3","2","6","2","2","6","4","1") = "5"
    & skf21("3","2","6","2","2","6","5","1") = "5"
    & skf21("3","2","6","2","2","6","6","1") = "5"
    & skf21("3","2","6","2","2","6","7","1") = "6"
    & skf21("3","2","6","2","2","7","1","1") = "6"
    & skf21("3","2","6","2","2","7","2","1") = "6"
    & skf21("3","2","6","2","2","7","3","1") = "6"
    & skf21("3","2","6","2","2","7","4","1") = "6"
    & skf21("3","2","6","2","2","7","5","1") = "6"
    & skf21("3","2","6","2","2","7","6","1") = "6"
    & skf21("3","2","6","2","2","7","7","1") = "6"
    & skf21("3","2","6","2","3","1","1","1") = "5"
    & skf21("3","2","6","2","3","1","2","1") = "5"
    & skf21("3","2","6","2","3","1","3","1") = "5"
    & skf21("3","2","6","2","3","1","4","1") = "5"
    & skf21("3","2","6","2","3","1","5","1") = "5"
    & skf21("3","2","6","2","3","1","6","1") = "5"
    & skf21("3","2","6","2","3","1","7","1") = "6"
    & skf21("3","2","6","2","3","2","1","1") = "5"
    & skf21("3","2","6","2","3","2","2","1") = "5"
    & skf21("3","2","6","2","3","2","3","1") = "5"
    & skf21("3","2","6","2","3","2","4","1") = "5"
    & skf21("3","2","6","2","3","2","5","1") = "5"
    & skf21("3","2","6","2","3","2","6","1") = "5"
    & skf21("3","2","6","2","3","2","7","1") = "6"
    & skf21("3","2","6","2","3","3","1","1") = "5"
    & skf21("3","2","6","2","3","3","2","1") = "5"
    & skf21("3","2","6","2","3","3","3","1") = "5"
    & skf21("3","2","6","2","3","3","4","1") = "5"
    & skf21("3","2","6","2","3","3","5","1") = "5"
    & skf21("3","2","6","2","3","3","6","1") = "5"
    & skf21("3","2","6","2","3","3","7","1") = "6"
    & skf21("3","2","6","2","3","4","1","1") = "5"
    & skf21("3","2","6","2","3","4","2","1") = "5"
    & skf21("3","2","6","2","3","4","3","1") = "5"
    & skf21("3","2","6","2","3","4","4","1") = "5"
    & skf21("3","2","6","2","3","4","5","1") = "5"
    & skf21("3","2","6","2","3","4","6","1") = "5"
    & skf21("3","2","6","2","3","4","7","1") = "6"
    & skf21("3","2","6","2","3","5","1","1") = "5"
    & skf21("3","2","6","2","3","5","2","1") = "5"
    & skf21("3","2","6","2","3","5","3","1") = "5"
    & skf21("3","2","6","2","3","5","4","1") = "5"
    & skf21("3","2","6","2","3","5","5","1") = "5"
    & skf21("3","2","6","2","3","5","6","1") = "5"
    & skf21("3","2","6","2","3","5","7","1") = "6"
    & skf21("3","2","6","2","3","6","1","1") = "5"
    & skf21("3","2","6","2","3","6","2","1") = "5"
    & skf21("3","2","6","2","3","6","3","1") = "5"
    & skf21("3","2","6","2","3","6","4","1") = "5"
    & skf21("3","2","6","2","3","6","5","1") = "5"
    & skf21("3","2","6","2","3","6","6","1") = "5"
    & skf21("3","2","6","2","3","6","7","1") = "6"
    & skf21("3","2","6","2","3","7","1","1") = "6"
    & skf21("3","2","6","2","3","7","2","1") = "6"
    & skf21("3","2","6","2","3","7","3","1") = "6"
    & skf21("3","2","6","2","3","7","4","1") = "6"
    & skf21("3","2","6","2","3","7","5","1") = "6"
    & skf21("3","2","6","2","3","7","6","1") = "6"
    & skf21("3","2","6","2","3","7","7","1") = "6"
    & skf21("3","2","6","2","4","1","1","1") = "5"
    & skf21("3","2","6","2","4","1","2","1") = "5"
    & skf21("3","2","6","2","4","1","3","1") = "5"
    & skf21("3","2","6","2","4","1","4","1") = "5"
    & skf21("3","2","6","2","4","1","5","1") = "5"
    & skf21("3","2","6","2","4","1","6","1") = "5"
    & skf21("3","2","6","2","4","1","7","1") = "6"
    & skf21("3","2","6","2","4","2","1","1") = "5"
    & skf21("3","2","6","2","4","2","2","1") = "5"
    & skf21("3","2","6","2","4","2","3","1") = "5"
    & skf21("3","2","6","2","4","2","4","1") = "5"
    & skf21("3","2","6","2","4","2","5","1") = "5"
    & skf21("3","2","6","2","4","2","6","1") = "5"
    & skf21("3","2","6","2","4","2","7","1") = "6"
    & skf21("3","2","6","2","4","3","1","1") = "5"
    & skf21("3","2","6","2","4","3","2","1") = "5"
    & skf21("3","2","6","2","4","3","3","1") = "5"
    & skf21("3","2","6","2","4","3","4","1") = "5"
    & skf21("3","2","6","2","4","3","5","1") = "5"
    & skf21("3","2","6","2","4","3","6","1") = "5"
    & skf21("3","2","6","2","4","3","7","1") = "6"
    & skf21("3","2","6","2","4","4","1","1") = "5"
    & skf21("3","2","6","2","4","4","2","1") = "5"
    & skf21("3","2","6","2","4","4","3","1") = "5"
    & skf21("3","2","6","2","4","4","4","1") = "5"
    & skf21("3","2","6","2","4","4","5","1") = "5"
    & skf21("3","2","6","2","4","4","6","1") = "5"
    & skf21("3","2","6","2","4","4","7","1") = "6"
    & skf21("3","2","6","2","4","5","1","1") = "5"
    & skf21("3","2","6","2","4","5","2","1") = "5"
    & skf21("3","2","6","2","4","5","3","1") = "5"
    & skf21("3","2","6","2","4","5","4","1") = "5"
    & skf21("3","2","6","2","4","5","5","1") = "5"
    & skf21("3","2","6","2","4","5","6","1") = "5"
    & skf21("3","2","6","2","4","5","7","1") = "6"
    & skf21("3","2","6","2","4","6","1","1") = "5"
    & skf21("3","2","6","2","4","6","2","1") = "5"
    & skf21("3","2","6","2","4","6","3","1") = "5"
    & skf21("3","2","6","2","4","6","4","1") = "5"
    & skf21("3","2","6","2","4","6","5","1") = "5"
    & skf21("3","2","6","2","4","6","6","1") = "5"
    & skf21("3","2","6","2","4","6","7","1") = "6"
    & skf21("3","2","6","2","4","7","1","1") = "6"
    & skf21("3","2","6","2","4","7","2","1") = "6"
    & skf21("3","2","6","2","4","7","3","1") = "6"
    & skf21("3","2","6","2","4","7","4","1") = "6"
    & skf21("3","2","6","2","4","7","5","1") = "6"
    & skf21("3","2","6","2","4","7","6","1") = "6"
    & skf21("3","2","6","2","4","7","7","1") = "6"
    & skf21("3","2","6","2","5","1","1","1") = "5"
    & skf21("3","2","6","2","5","1","2","1") = "5"
    & skf21("3","2","6","2","5","1","3","1") = "5"
    & skf21("3","2","6","2","5","1","4","1") = "5"
    & skf21("3","2","6","2","5","1","5","1") = "5"
    & skf21("3","2","6","2","5","1","6","1") = "5"
    & skf21("3","2","6","2","5","1","7","1") = "6"
    & skf21("3","2","6","2","5","2","1","1") = "5"
    & skf21("3","2","6","2","5","2","2","1") = "5"
    & skf21("3","2","6","2","5","2","3","1") = "5"
    & skf21("3","2","6","2","5","2","4","1") = "5"
    & skf21("3","2","6","2","5","2","5","1") = "5"
    & skf21("3","2","6","2","5","2","6","1") = "5"
    & skf21("3","2","6","2","5","2","7","1") = "6"
    & skf21("3","2","6","2","5","3","1","1") = "5"
    & skf21("3","2","6","2","5","3","2","1") = "5"
    & skf21("3","2","6","2","5","3","3","1") = "5"
    & skf21("3","2","6","2","5","3","4","1") = "5"
    & skf21("3","2","6","2","5","3","5","1") = "5"
    & skf21("3","2","6","2","5","3","6","1") = "5"
    & skf21("3","2","6","2","5","3","7","1") = "6"
    & skf21("3","2","6","2","5","4","1","1") = "5"
    & skf21("3","2","6","2","5","4","2","1") = "5"
    & skf21("3","2","6","2","5","4","3","1") = "5"
    & skf21("3","2","6","2","5","4","4","1") = "5"
    & skf21("3","2","6","2","5","4","5","1") = "5"
    & skf21("3","2","6","2","5","4","6","1") = "5"
    & skf21("3","2","6","2","5","4","7","1") = "6"
    & skf21("3","2","6","2","5","5","1","1") = "5"
    & skf21("3","2","6","2","5","5","2","1") = "5"
    & skf21("3","2","6","2","5","5","3","1") = "5"
    & skf21("3","2","6","2","5","5","4","1") = "5"
    & skf21("3","2","6","2","5","5","5","1") = "5"
    & skf21("3","2","6","2","5","5","6","1") = "5"
    & skf21("3","2","6","2","5","5","7","1") = "6"
    & skf21("3","2","6","2","5","6","1","1") = "5"
    & skf21("3","2","6","2","5","6","2","1") = "5"
    & skf21("3","2","6","2","5","6","3","1") = "5"
    & skf21("3","2","6","2","5","6","4","1") = "5"
    & skf21("3","2","6","2","5","6","5","1") = "5"
    & skf21("3","2","6","2","5","6","6","1") = "5"
    & skf21("3","2","6","2","5","6","7","1") = "6"
    & skf21("3","2","6","2","5","7","1","1") = "6"
    & skf21("3","2","6","2","5","7","2","1") = "6"
    & skf21("3","2","6","2","5","7","3","1") = "6"
    & skf21("3","2","6","2","5","7","4","1") = "6"
    & skf21("3","2","6","2","5","7","5","1") = "6"
    & skf21("3","2","6","2","5","7","6","1") = "6"
    & skf21("3","2","6","2","5","7","7","1") = "6"
    & skf21("3","2","6","2","6","1","1","1") = "5"
    & skf21("3","2","6","2","6","1","2","1") = "5"
    & skf21("3","2","6","2","6","1","3","1") = "5"
    & skf21("3","2","6","2","6","1","4","1") = "5"
    & skf21("3","2","6","2","6","1","5","1") = "5"
    & skf21("3","2","6","2","6","1","6","1") = "5"
    & skf21("3","2","6","2","6","1","7","1") = "6"
    & skf21("3","2","6","2","6","2","1","1") = "5"
    & skf21("3","2","6","2","6","2","2","1") = "5"
    & skf21("3","2","6","2","6","2","3","1") = "5"
    & skf21("3","2","6","2","6","2","4","1") = "5"
    & skf21("3","2","6","2","6","2","5","1") = "5"
    & skf21("3","2","6","2","6","2","6","1") = "5"
    & skf21("3","2","6","2","6","2","7","1") = "6"
    & skf21("3","2","6","2","6","3","1","1") = "5"
    & skf21("3","2","6","2","6","3","2","1") = "5"
    & skf21("3","2","6","2","6","3","3","1") = "5"
    & skf21("3","2","6","2","6","3","4","1") = "5"
    & skf21("3","2","6","2","6","3","5","1") = "5"
    & skf21("3","2","6","2","6","3","6","1") = "5"
    & skf21("3","2","6","2","6","3","7","1") = "6"
    & skf21("3","2","6","2","6","4","1","1") = "5"
    & skf21("3","2","6","2","6","4","2","1") = "5"
    & skf21("3","2","6","2","6","4","3","1") = "5"
    & skf21("3","2","6","2","6","4","4","1") = "5"
    & skf21("3","2","6","2","6","4","5","1") = "5"
    & skf21("3","2","6","2","6","4","6","1") = "5"
    & skf21("3","2","6","2","6","4","7","1") = "6"
    & skf21("3","2","6","2","6","5","1","1") = "5"
    & skf21("3","2","6","2","6","5","2","1") = "5"
    & skf21("3","2","6","2","6","5","3","1") = "5"
    & skf21("3","2","6","2","6","5","4","1") = "5"
    & skf21("3","2","6","2","6","5","5","1") = "5"
    & skf21("3","2","6","2","6","5","6","1") = "5"
    & skf21("3","2","6","2","6","5","7","1") = "6"
    & skf21("3","2","6","2","6","6","1","1") = "5"
    & skf21("3","2","6","2","6","6","2","1") = "5"
    & skf21("3","2","6","2","6","6","3","1") = "5"
    & skf21("3","2","6","2","6","6","4","1") = "5"
    & skf21("3","2","6","2","6","6","5","1") = "5"
    & skf21("3","2","6","2","6","6","6","1") = "5"
    & skf21("3","2","6","2","6","6","7","1") = "6"
    & skf21("3","2","6","2","6","7","1","1") = "6"
    & skf21("3","2","6","2","6","7","2","1") = "6"
    & skf21("3","2","6","2","6","7","3","1") = "6"
    & skf21("3","2","6","2","6","7","4","1") = "6"
    & skf21("3","2","6","2","6","7","5","1") = "6"
    & skf21("3","2","6","2","6","7","6","1") = "6"
    & skf21("3","2","6","2","6","7","7","1") = "6"
    & skf21("3","2","6","2","7","1","1","1") = "6"
    & skf21("3","2","6","2","7","1","2","1") = "6"
    & skf21("3","2","6","2","7","1","3","1") = "6"
    & skf21("3","2","6","2","7","1","4","1") = "6"
    & skf21("3","2","6","2","7","1","5","1") = "6"
    & skf21("3","2","6","2","7","1","6","1") = "6"
    & skf21("3","2","6","2","7","1","7","1") = "6"
    & skf21("3","2","6","2","7","2","1","1") = "6"
    & skf21("3","2","6","2","7","2","2","1") = "6"
    & skf21("3","2","6","2","7","2","3","1") = "6"
    & skf21("3","2","6","2","7","2","4","1") = "6"
    & skf21("3","2","6","2","7","2","5","1") = "6"
    & skf21("3","2","6","2","7","2","6","1") = "6"
    & skf21("3","2","6","2","7","2","7","1") = "6"
    & skf21("3","2","6","2","7","3","1","1") = "6"
    & skf21("3","2","6","2","7","3","2","1") = "6"
    & skf21("3","2","6","2","7","3","3","1") = "6"
    & skf21("3","2","6","2","7","3","4","1") = "6"
    & skf21("3","2","6","2","7","3","5","1") = "6"
    & skf21("3","2","6","2","7","3","6","1") = "6"
    & skf21("3","2","6","2","7","3","7","1") = "6"
    & skf21("3","2","6","2","7","4","1","1") = "6"
    & skf21("3","2","6","2","7","4","2","1") = "6"
    & skf21("3","2","6","2","7","4","3","1") = "6"
    & skf21("3","2","6","2","7","4","4","1") = "6"
    & skf21("3","2","6","2","7","4","5","1") = "6"
    & skf21("3","2","6","2","7","4","6","1") = "6"
    & skf21("3","2","6","2","7","4","7","1") = "6"
    & skf21("3","2","6","2","7","5","1","1") = "6"
    & skf21("3","2","6","2","7","5","2","1") = "6"
    & skf21("3","2","6","2","7","5","3","1") = "6"
    & skf21("3","2","6","2","7","5","4","1") = "6"
    & skf21("3","2","6","2","7","5","5","1") = "6"
    & skf21("3","2","6","2","7","5","6","1") = "6"
    & skf21("3","2","6","2","7","5","7","1") = "6"
    & skf21("3","2","6","2","7","6","1","1") = "6"
    & skf21("3","2","6","2","7","6","2","1") = "6"
    & skf21("3","2","6","2","7","6","3","1") = "6"
    & skf21("3","2","6","2","7","6","4","1") = "6"
    & skf21("3","2","6","2","7","6","5","1") = "6"
    & skf21("3","2","6","2","7","6","6","1") = "6"
    & skf21("3","2","6","2","7","6","7","1") = "6"
    & skf21("3","2","6","2","7","7","1","1") = "6"
    & skf21("3","2","6","2","7","7","2","1") = "6"
    & skf21("3","2","6","2","7","7","3","1") = "6"
    & skf21("3","2","6","2","7","7","4","1") = "6"
    & skf21("3","2","6","2","7","7","5","1") = "6"
    & skf21("3","2","6","2","7","7","6","1") = "6"
    & skf21("3","2","6","2","7","7","7","1") = "6"
    & skf21("3","2","6","3","1","1","1","1") = "5"
    & skf21("3","2","6","3","1","1","2","1") = "5"
    & skf21("3","2","6","3","1","1","3","1") = "5"
    & skf21("3","2","6","3","1","1","4","1") = "5"
    & skf21("3","2","6","3","1","1","5","1") = "5"
    & skf21("3","2","6","3","1","1","6","1") = "5"
    & skf21("3","2","6","3","1","1","7","1") = "6"
    & skf21("3","2","6","3","1","2","1","1") = "5"
    & skf21("3","2","6","3","1","2","2","1") = "5"
    & skf21("3","2","6","3","1","2","3","1") = "5"
    & skf21("3","2","6","3","1","2","4","1") = "5"
    & skf21("3","2","6","3","1","2","5","1") = "5"
    & skf21("3","2","6","3","1","2","6","1") = "5"
    & skf21("3","2","6","3","1","2","7","1") = "6"
    & skf21("3","2","6","3","1","3","1","1") = "5"
    & skf21("3","2","6","3","1","3","2","1") = "5"
    & skf21("3","2","6","3","1","3","3","1") = "5"
    & skf21("3","2","6","3","1","3","4","1") = "5"
    & skf21("3","2","6","3","1","3","5","1") = "5"
    & skf21("3","2","6","3","1","3","6","1") = "5"
    & skf21("3","2","6","3","1","3","7","1") = "6"
    & skf21("3","2","6","3","1","4","1","1") = "5"
    & skf21("3","2","6","3","1","4","2","1") = "5"
    & skf21("3","2","6","3","1","4","3","1") = "5"
    & skf21("3","2","6","3","1","4","4","1") = "5"
    & skf21("3","2","6","3","1","4","5","1") = "5"
    & skf21("3","2","6","3","1","4","6","1") = "5"
    & skf21("3","2","6","3","1","4","7","1") = "6"
    & skf21("3","2","6","3","1","5","1","1") = "5"
    & skf21("3","2","6","3","1","5","2","1") = "5"
    & skf21("3","2","6","3","1","5","3","1") = "5"
    & skf21("3","2","6","3","1","5","4","1") = "5"
    & skf21("3","2","6","3","1","5","5","1") = "5"
    & skf21("3","2","6","3","1","5","6","1") = "5"
    & skf21("3","2","6","3","1","5","7","1") = "6"
    & skf21("3","2","6","3","1","6","1","1") = "5"
    & skf21("3","2","6","3","1","6","2","1") = "5"
    & skf21("3","2","6","3","1","6","3","1") = "5"
    & skf21("3","2","6","3","1","6","4","1") = "5"
    & skf21("3","2","6","3","1","6","5","1") = "5"
    & skf21("3","2","6","3","1","6","6","1") = "5"
    & skf21("3","2","6","3","1","6","7","1") = "6"
    & skf21("3","2","6","3","1","7","1","1") = "6"
    & skf21("3","2","6","3","1","7","2","1") = "6"
    & skf21("3","2","6","3","1","7","3","1") = "6"
    & skf21("3","2","6","3","1","7","4","1") = "6"
    & skf21("3","2","6","3","1","7","5","1") = "6"
    & skf21("3","2","6","3","1","7","6","1") = "6"
    & skf21("3","2","6","3","1","7","7","1") = "6"
    & skf21("3","2","6","3","2","1","1","1") = "5"
    & skf21("3","2","6","3","2","1","2","1") = "5"
    & skf21("3","2","6","3","2","1","3","1") = "5"
    & skf21("3","2","6","3","2","1","4","1") = "5"
    & skf21("3","2","6","3","2","1","5","1") = "5"
    & skf21("3","2","6","3","2","1","6","1") = "5"
    & skf21("3","2","6","3","2","1","7","1") = "6"
    & skf21("3","2","6","3","2","2","1","1") = "5"
    & skf21("3","2","6","3","2","2","2","1") = "5"
    & skf21("3","2","6","3","2","2","3","1") = "5"
    & skf21("3","2","6","3","2","2","4","1") = "5"
    & skf21("3","2","6","3","2","2","5","1") = "5"
    & skf21("3","2","6","3","2","2","6","1") = "5"
    & skf21("3","2","6","3","2","2","7","1") = "6"
    & skf21("3","2","6","3","2","3","1","1") = "5"
    & skf21("3","2","6","3","2","3","2","1") = "5"
    & skf21("3","2","6","3","2","3","3","1") = "5"
    & skf21("3","2","6","3","2","3","4","1") = "5"
    & skf21("3","2","6","3","2","3","5","1") = "5"
    & skf21("3","2","6","3","2","3","6","1") = "5"
    & skf21("3","2","6","3","2","3","7","1") = "6"
    & skf21("3","2","6","3","2","4","1","1") = "5"
    & skf21("3","2","6","3","2","4","2","1") = "5"
    & skf21("3","2","6","3","2","4","3","1") = "5"
    & skf21("3","2","6","3","2","4","4","1") = "5"
    & skf21("3","2","6","3","2","4","5","1") = "5"
    & skf21("3","2","6","3","2","4","6","1") = "5"
    & skf21("3","2","6","3","2","4","7","1") = "6"
    & skf21("3","2","6","3","2","5","1","1") = "5"
    & skf21("3","2","6","3","2","5","2","1") = "5"
    & skf21("3","2","6","3","2","5","3","1") = "5"
    & skf21("3","2","6","3","2","5","4","1") = "5"
    & skf21("3","2","6","3","2","5","5","1") = "5"
    & skf21("3","2","6","3","2","5","6","1") = "5"
    & skf21("3","2","6","3","2","5","7","1") = "6"
    & skf21("3","2","6","3","2","6","1","1") = "5"
    & skf21("3","2","6","3","2","6","2","1") = "5"
    & skf21("3","2","6","3","2","6","3","1") = "5"
    & skf21("3","2","6","3","2","6","4","1") = "5"
    & skf21("3","2","6","3","2","6","5","1") = "5"
    & skf21("3","2","6","3","2","6","6","1") = "5"
    & skf21("3","2","6","3","2","6","7","1") = "6"
    & skf21("3","2","6","3","2","7","1","1") = "6"
    & skf21("3","2","6","3","2","7","2","1") = "6"
    & skf21("3","2","6","3","2","7","3","1") = "6"
    & skf21("3","2","6","3","2","7","4","1") = "6"
    & skf21("3","2","6","3","2","7","5","1") = "6"
    & skf21("3","2","6","3","2","7","6","1") = "6"
    & skf21("3","2","6","3","2","7","7","1") = "6"
    & skf21("3","2","6","3","3","1","1","1") = "5"
    & skf21("3","2","6","3","3","1","2","1") = "5"
    & skf21("3","2","6","3","3","1","3","1") = "5"
    & skf21("3","2","6","3","3","1","4","1") = "5"
    & skf21("3","2","6","3","3","1","5","1") = "5"
    & skf21("3","2","6","3","3","1","6","1") = "5"
    & skf21("3","2","6","3","3","1","7","1") = "6"
    & skf21("3","2","6","3","3","2","1","1") = "5"
    & skf21("3","2","6","3","3","2","2","1") = "5"
    & skf21("3","2","6","3","3","2","3","1") = "5"
    & skf21("3","2","6","3","3","2","4","1") = "5"
    & skf21("3","2","6","3","3","2","5","1") = "5"
    & skf21("3","2","6","3","3","2","6","1") = "5"
    & skf21("3","2","6","3","3","2","7","1") = "6"
    & skf21("3","2","6","3","3","3","1","1") = "5"
    & skf21("3","2","6","3","3","3","2","1") = "5"
    & skf21("3","2","6","3","3","3","3","1") = "5"
    & skf21("3","2","6","3","3","3","4","1") = "5"
    & skf21("3","2","6","3","3","3","5","1") = "5"
    & skf21("3","2","6","3","3","3","6","1") = "5"
    & skf21("3","2","6","3","3","3","7","1") = "6"
    & skf21("3","2","6","3","3","4","1","1") = "5"
    & skf21("3","2","6","3","3","4","2","1") = "5"
    & skf21("3","2","6","3","3","4","3","1") = "5"
    & skf21("3","2","6","3","3","4","4","1") = "5"
    & skf21("3","2","6","3","3","4","5","1") = "5"
    & skf21("3","2","6","3","3","4","6","1") = "5"
    & skf21("3","2","6","3","3","4","7","1") = "6"
    & skf21("3","2","6","3","3","5","1","1") = "5"
    & skf21("3","2","6","3","3","5","2","1") = "5"
    & skf21("3","2","6","3","3","5","3","1") = "5"
    & skf21("3","2","6","3","3","5","4","1") = "5"
    & skf21("3","2","6","3","3","5","5","1") = "5"
    & skf21("3","2","6","3","3","5","6","1") = "5"
    & skf21("3","2","6","3","3","5","7","1") = "6"
    & skf21("3","2","6","3","3","6","1","1") = "5"
    & skf21("3","2","6","3","3","6","2","1") = "5"
    & skf21("3","2","6","3","3","6","3","1") = "5"
    & skf21("3","2","6","3","3","6","4","1") = "5"
    & skf21("3","2","6","3","3","6","5","1") = "5"
    & skf21("3","2","6","3","3","6","6","1") = "5"
    & skf21("3","2","6","3","3","6","7","1") = "6"
    & skf21("3","2","6","3","3","7","1","1") = "6"
    & skf21("3","2","6","3","3","7","2","1") = "6"
    & skf21("3","2","6","3","3","7","3","1") = "6"
    & skf21("3","2","6","3","3","7","4","1") = "6"
    & skf21("3","2","6","3","3","7","5","1") = "6"
    & skf21("3","2","6","3","3","7","6","1") = "6"
    & skf21("3","2","6","3","3","7","7","1") = "6"
    & skf21("3","2","6","3","4","1","1","1") = "5"
    & skf21("3","2","6","3","4","1","2","1") = "5"
    & skf21("3","2","6","3","4","1","3","1") = "5"
    & skf21("3","2","6","3","4","1","4","1") = "5"
    & skf21("3","2","6","3","4","1","5","1") = "5"
    & skf21("3","2","6","3","4","1","6","1") = "5"
    & skf21("3","2","6","3","4","1","7","1") = "6"
    & skf21("3","2","6","3","4","2","1","1") = "5"
    & skf21("3","2","6","3","4","2","2","1") = "5"
    & skf21("3","2","6","3","4","2","3","1") = "5"
    & skf21("3","2","6","3","4","2","4","1") = "5"
    & skf21("3","2","6","3","4","2","5","1") = "5"
    & skf21("3","2","6","3","4","2","6","1") = "5"
    & skf21("3","2","6","3","4","2","7","1") = "6"
    & skf21("3","2","6","3","4","3","1","1") = "5"
    & skf21("3","2","6","3","4","3","2","1") = "5"
    & skf21("3","2","6","3","4","3","3","1") = "5"
    & skf21("3","2","6","3","4","3","4","1") = "5"
    & skf21("3","2","6","3","4","3","5","1") = "5"
    & skf21("3","2","6","3","4","3","6","1") = "5"
    & skf21("3","2","6","3","4","3","7","1") = "6"
    & skf21("3","2","6","3","4","4","1","1") = "5"
    & skf21("3","2","6","3","4","4","2","1") = "5"
    & skf21("3","2","6","3","4","4","3","1") = "5"
    & skf21("3","2","6","3","4","4","4","1") = "5"
    & skf21("3","2","6","3","4","4","5","1") = "5"
    & skf21("3","2","6","3","4","4","6","1") = "5"
    & skf21("3","2","6","3","4","4","7","1") = "6"
    & skf21("3","2","6","3","4","5","1","1") = "5"
    & skf21("3","2","6","3","4","5","2","1") = "5"
    & skf21("3","2","6","3","4","5","3","1") = "5"
    & skf21("3","2","6","3","4","5","4","1") = "5"
    & skf21("3","2","6","3","4","5","5","1") = "5"
    & skf21("3","2","6","3","4","5","6","1") = "5"
    & skf21("3","2","6","3","4","5","7","1") = "6"
    & skf21("3","2","6","3","4","6","1","1") = "5"
    & skf21("3","2","6","3","4","6","2","1") = "5"
    & skf21("3","2","6","3","4","6","3","1") = "5"
    & skf21("3","2","6","3","4","6","4","1") = "5"
    & skf21("3","2","6","3","4","6","5","1") = "5"
    & skf21("3","2","6","3","4","6","6","1") = "5"
    & skf21("3","2","6","3","4","6","7","1") = "6"
    & skf21("3","2","6","3","4","7","1","1") = "6"
    & skf21("3","2","6","3","4","7","2","1") = "6"
    & skf21("3","2","6","3","4","7","3","1") = "6"
    & skf21("3","2","6","3","4","7","4","1") = "6"
    & skf21("3","2","6","3","4","7","5","1") = "6"
    & skf21("3","2","6","3","4","7","6","1") = "6"
    & skf21("3","2","6","3","4","7","7","1") = "6"
    & skf21("3","2","6","3","5","1","1","1") = "5"
    & skf21("3","2","6","3","5","1","2","1") = "5"
    & skf21("3","2","6","3","5","1","3","1") = "5"
    & skf21("3","2","6","3","5","1","4","1") = "5"
    & skf21("3","2","6","3","5","1","5","1") = "5"
    & skf21("3","2","6","3","5","1","6","1") = "5"
    & skf21("3","2","6","3","5","1","7","1") = "6"
    & skf21("3","2","6","3","5","2","1","1") = "5"
    & skf21("3","2","6","3","5","2","2","1") = "5"
    & skf21("3","2","6","3","5","2","3","1") = "5"
    & skf21("3","2","6","3","5","2","4","1") = "5"
    & skf21("3","2","6","3","5","2","5","1") = "5"
    & skf21("3","2","6","3","5","2","6","1") = "5"
    & skf21("3","2","6","3","5","2","7","1") = "6"
    & skf21("3","2","6","3","5","3","1","1") = "5"
    & skf21("3","2","6","3","5","3","2","1") = "5"
    & skf21("3","2","6","3","5","3","3","1") = "5"
    & skf21("3","2","6","3","5","3","4","1") = "5"
    & skf21("3","2","6","3","5","3","5","1") = "5"
    & skf21("3","2","6","3","5","3","6","1") = "5"
    & skf21("3","2","6","3","5","3","7","1") = "6"
    & skf21("3","2","6","3","5","4","1","1") = "5"
    & skf21("3","2","6","3","5","4","2","1") = "5"
    & skf21("3","2","6","3","5","4","3","1") = "5"
    & skf21("3","2","6","3","5","4","4","1") = "5"
    & skf21("3","2","6","3","5","4","5","1") = "5"
    & skf21("3","2","6","3","5","4","6","1") = "5"
    & skf21("3","2","6","3","5","4","7","1") = "6"
    & skf21("3","2","6","3","5","5","1","1") = "5"
    & skf21("3","2","6","3","5","5","2","1") = "5"
    & skf21("3","2","6","3","5","5","3","1") = "5"
    & skf21("3","2","6","3","5","5","4","1") = "5"
    & skf21("3","2","6","3","5","5","5","1") = "5"
    & skf21("3","2","6","3","5","5","6","1") = "5"
    & skf21("3","2","6","3","5","5","7","1") = "6"
    & skf21("3","2","6","3","5","6","1","1") = "5"
    & skf21("3","2","6","3","5","6","2","1") = "5"
    & skf21("3","2","6","3","5","6","3","1") = "5"
    & skf21("3","2","6","3","5","6","4","1") = "5"
    & skf21("3","2","6","3","5","6","5","1") = "5"
    & skf21("3","2","6","3","5","6","6","1") = "5"
    & skf21("3","2","6","3","5","6","7","1") = "6"
    & skf21("3","2","6","3","5","7","1","1") = "6"
    & skf21("3","2","6","3","5","7","2","1") = "6"
    & skf21("3","2","6","3","5","7","3","1") = "6"
    & skf21("3","2","6","3","5","7","4","1") = "6"
    & skf21("3","2","6","3","5","7","5","1") = "6"
    & skf21("3","2","6","3","5","7","6","1") = "6"
    & skf21("3","2","6","3","5","7","7","1") = "6"
    & skf21("3","2","6","3","6","1","1","1") = "5"
    & skf21("3","2","6","3","6","1","2","1") = "5"
    & skf21("3","2","6","3","6","1","3","1") = "5"
    & skf21("3","2","6","3","6","1","4","1") = "5"
    & skf21("3","2","6","3","6","1","5","1") = "5"
    & skf21("3","2","6","3","6","1","6","1") = "5"
    & skf21("3","2","6","3","6","1","7","1") = "6"
    & skf21("3","2","6","3","6","2","1","1") = "5"
    & skf21("3","2","6","3","6","2","2","1") = "5"
    & skf21("3","2","6","3","6","2","3","1") = "5"
    & skf21("3","2","6","3","6","2","4","1") = "5"
    & skf21("3","2","6","3","6","2","5","1") = "5"
    & skf21("3","2","6","3","6","2","6","1") = "5"
    & skf21("3","2","6","3","6","2","7","1") = "6"
    & skf21("3","2","6","3","6","3","1","1") = "5"
    & skf21("3","2","6","3","6","3","2","1") = "5"
    & skf21("3","2","6","3","6","3","3","1") = "5"
    & skf21("3","2","6","3","6","3","4","1") = "5"
    & skf21("3","2","6","3","6","3","5","1") = "5"
    & skf21("3","2","6","3","6","3","6","1") = "5"
    & skf21("3","2","6","3","6","3","7","1") = "6"
    & skf21("3","2","6","3","6","4","1","1") = "5"
    & skf21("3","2","6","3","6","4","2","1") = "5"
    & skf21("3","2","6","3","6","4","3","1") = "5"
    & skf21("3","2","6","3","6","4","4","1") = "5"
    & skf21("3","2","6","3","6","4","5","1") = "5"
    & skf21("3","2","6","3","6","4","6","1") = "5"
    & skf21("3","2","6","3","6","4","7","1") = "6"
    & skf21("3","2","6","3","6","5","1","1") = "5"
    & skf21("3","2","6","3","6","5","2","1") = "5"
    & skf21("3","2","6","3","6","5","3","1") = "5"
    & skf21("3","2","6","3","6","5","4","1") = "5"
    & skf21("3","2","6","3","6","5","5","1") = "5"
    & skf21("3","2","6","3","6","5","6","1") = "5"
    & skf21("3","2","6","3","6","5","7","1") = "6"
    & skf21("3","2","6","3","6","6","1","1") = "5"
    & skf21("3","2","6","3","6","6","2","1") = "5"
    & skf21("3","2","6","3","6","6","3","1") = "5"
    & skf21("3","2","6","3","6","6","4","1") = "5"
    & skf21("3","2","6","3","6","6","5","1") = "5"
    & skf21("3","2","6","3","6","6","6","1") = "5"
    & skf21("3","2","6","3","6","6","7","1") = "6"
    & skf21("3","2","6","3","6","7","1","1") = "6"
    & skf21("3","2","6","3","6","7","2","1") = "6"
    & skf21("3","2","6","3","6","7","3","1") = "6"
    & skf21("3","2","6","3","6","7","4","1") = "6"
    & skf21("3","2","6","3","6","7","5","1") = "6"
    & skf21("3","2","6","3","6","7","6","1") = "6"
    & skf21("3","2","6","3","6","7","7","1") = "6"
    & skf21("3","2","6","3","7","1","1","1") = "6"
    & skf21("3","2","6","3","7","1","2","1") = "6"
    & skf21("3","2","6","3","7","1","3","1") = "6"
    & skf21("3","2","6","3","7","1","4","1") = "6"
    & skf21("3","2","6","3","7","1","5","1") = "6"
    & skf21("3","2","6","3","7","1","6","1") = "6"
    & skf21("3","2","6","3","7","1","7","1") = "6"
    & skf21("3","2","6","3","7","2","1","1") = "6"
    & skf21("3","2","6","3","7","2","2","1") = "6"
    & skf21("3","2","6","3","7","2","3","1") = "6"
    & skf21("3","2","6","3","7","2","4","1") = "6"
    & skf21("3","2","6","3","7","2","5","1") = "6"
    & skf21("3","2","6","3","7","2","6","1") = "6"
    & skf21("3","2","6","3","7","2","7","1") = "6"
    & skf21("3","2","6","3","7","3","1","1") = "6"
    & skf21("3","2","6","3","7","3","2","1") = "6"
    & skf21("3","2","6","3","7","3","3","1") = "6"
    & skf21("3","2","6","3","7","3","4","1") = "6"
    & skf21("3","2","6","3","7","3","5","1") = "6"
    & skf21("3","2","6","3","7","3","6","1") = "6"
    & skf21("3","2","6","3","7","3","7","1") = "6"
    & skf21("3","2","6","3","7","4","1","1") = "6"
    & skf21("3","2","6","3","7","4","2","1") = "6"
    & skf21("3","2","6","3","7","4","3","1") = "6"
    & skf21("3","2","6","3","7","4","4","1") = "6"
    & skf21("3","2","6","3","7","4","5","1") = "6"
    & skf21("3","2","6","3","7","4","6","1") = "6"
    & skf21("3","2","6","3","7","4","7","1") = "6"
    & skf21("3","2","6","3","7","5","1","1") = "6"
    & skf21("3","2","6","3","7","5","2","1") = "6"
    & skf21("3","2","6","3","7","5","3","1") = "6"
    & skf21("3","2","6","3","7","5","4","1") = "6"
    & skf21("3","2","6","3","7","5","5","1") = "6"
    & skf21("3","2","6","3","7","5","6","1") = "6"
    & skf21("3","2","6","3","7","5","7","1") = "6"
    & skf21("3","2","6","3","7","6","1","1") = "6"
    & skf21("3","2","6","3","7","6","2","1") = "6"
    & skf21("3","2","6","3","7","6","3","1") = "6"
    & skf21("3","2","6","3","7","6","4","1") = "6"
    & skf21("3","2","6","3","7","6","5","1") = "6"
    & skf21("3","2","6","3","7","6","6","1") = "6"
    & skf21("3","2","6","3","7","6","7","1") = "6"
    & skf21("3","2","6","3","7","7","1","1") = "6"
    & skf21("3","2","6","3","7","7","2","1") = "6"
    & skf21("3","2","6","3","7","7","3","1") = "6"
    & skf21("3","2","6","3","7","7","4","1") = "6"
    & skf21("3","2","6","3","7","7","5","1") = "6"
    & skf21("3","2","6","3","7","7","6","1") = "6"
    & skf21("3","2","6","3","7","7","7","1") = "6"
    & skf21("3","2","6","4","1","1","1","1") = "5"
    & skf21("3","2","6","4","1","1","2","1") = "5"
    & skf21("3","2","6","4","1","1","3","1") = "5"
    & skf21("3","2","6","4","1","1","4","1") = "5"
    & skf21("3","2","6","4","1","1","5","1") = "5"
    & skf21("3","2","6","4","1","1","6","1") = "5"
    & skf21("3","2","6","4","1","1","7","1") = "6"
    & skf21("3","2","6","4","1","2","1","1") = "5"
    & skf21("3","2","6","4","1","2","2","1") = "5"
    & skf21("3","2","6","4","1","2","3","1") = "5"
    & skf21("3","2","6","4","1","2","4","1") = "5"
    & skf21("3","2","6","4","1","2","5","1") = "5"
    & skf21("3","2","6","4","1","2","6","1") = "5"
    & skf21("3","2","6","4","1","2","7","1") = "6"
    & skf21("3","2","6","4","1","3","1","1") = "5"
    & skf21("3","2","6","4","1","3","2","1") = "5"
    & skf21("3","2","6","4","1","3","3","1") = "5"
    & skf21("3","2","6","4","1","3","4","1") = "5"
    & skf21("3","2","6","4","1","3","5","1") = "5"
    & skf21("3","2","6","4","1","3","6","1") = "5"
    & skf21("3","2","6","4","1","3","7","1") = "6"
    & skf21("3","2","6","4","1","4","1","1") = "5"
    & skf21("3","2","6","4","1","4","2","1") = "5"
    & skf21("3","2","6","4","1","4","3","1") = "5"
    & skf21("3","2","6","4","1","4","4","1") = "5"
    & skf21("3","2","6","4","1","4","5","1") = "5"
    & skf21("3","2","6","4","1","4","6","1") = "5"
    & skf21("3","2","6","4","1","4","7","1") = "6"
    & skf21("3","2","6","4","1","5","1","1") = "5"
    & skf21("3","2","6","4","1","5","2","1") = "5"
    & skf21("3","2","6","4","1","5","3","1") = "5"
    & skf21("3","2","6","4","1","5","4","1") = "5"
    & skf21("3","2","6","4","1","5","5","1") = "5"
    & skf21("3","2","6","4","1","5","6","1") = "5"
    & skf21("3","2","6","4","1","5","7","1") = "6"
    & skf21("3","2","6","4","1","6","1","1") = "5"
    & skf21("3","2","6","4","1","6","2","1") = "5"
    & skf21("3","2","6","4","1","6","3","1") = "5"
    & skf21("3","2","6","4","1","6","4","1") = "5"
    & skf21("3","2","6","4","1","6","5","1") = "5"
    & skf21("3","2","6","4","1","6","6","1") = "5"
    & skf21("3","2","6","4","1","6","7","1") = "6"
    & skf21("3","2","6","4","1","7","1","1") = "6"
    & skf21("3","2","6","4","1","7","2","1") = "6"
    & skf21("3","2","6","4","1","7","3","1") = "6"
    & skf21("3","2","6","4","1","7","4","1") = "6"
    & skf21("3","2","6","4","1","7","5","1") = "6"
    & skf21("3","2","6","4","1","7","6","1") = "6"
    & skf21("3","2","6","4","1","7","7","1") = "6"
    & skf21("3","2","6","4","2","1","1","1") = "5"
    & skf21("3","2","6","4","2","1","2","1") = "5"
    & skf21("3","2","6","4","2","1","3","1") = "5"
    & skf21("3","2","6","4","2","1","4","1") = "5"
    & skf21("3","2","6","4","2","1","5","1") = "5"
    & skf21("3","2","6","4","2","1","6","1") = "5"
    & skf21("3","2","6","4","2","1","7","1") = "6"
    & skf21("3","2","6","4","2","2","1","1") = "5"
    & skf21("3","2","6","4","2","2","2","1") = "5"
    & skf21("3","2","6","4","2","2","3","1") = "5"
    & skf21("3","2","6","4","2","2","4","1") = "5"
    & skf21("3","2","6","4","2","2","5","1") = "5"
    & skf21("3","2","6","4","2","2","6","1") = "5"
    & skf21("3","2","6","4","2","2","7","1") = "6"
    & skf21("3","2","6","4","2","3","1","1") = "5"
    & skf21("3","2","6","4","2","3","2","1") = "5"
    & skf21("3","2","6","4","2","3","3","1") = "5"
    & skf21("3","2","6","4","2","3","4","1") = "5"
    & skf21("3","2","6","4","2","3","5","1") = "5"
    & skf21("3","2","6","4","2","3","6","1") = "5"
    & skf21("3","2","6","4","2","3","7","1") = "6"
    & skf21("3","2","6","4","2","4","1","1") = "5"
    & skf21("3","2","6","4","2","4","2","1") = "5"
    & skf21("3","2","6","4","2","4","3","1") = "5"
    & skf21("3","2","6","4","2","4","4","1") = "5"
    & skf21("3","2","6","4","2","4","5","1") = "5"
    & skf21("3","2","6","4","2","4","6","1") = "5"
    & skf21("3","2","6","4","2","4","7","1") = "6"
    & skf21("3","2","6","4","2","5","1","1") = "5"
    & skf21("3","2","6","4","2","5","2","1") = "5"
    & skf21("3","2","6","4","2","5","3","1") = "5"
    & skf21("3","2","6","4","2","5","4","1") = "5"
    & skf21("3","2","6","4","2","5","5","1") = "5"
    & skf21("3","2","6","4","2","5","6","1") = "5"
    & skf21("3","2","6","4","2","5","7","1") = "6"
    & skf21("3","2","6","4","2","6","1","1") = "5"
    & skf21("3","2","6","4","2","6","2","1") = "5"
    & skf21("3","2","6","4","2","6","3","1") = "5"
    & skf21("3","2","6","4","2","6","4","1") = "5"
    & skf21("3","2","6","4","2","6","5","1") = "5"
    & skf21("3","2","6","4","2","6","6","1") = "5"
    & skf21("3","2","6","4","2","6","7","1") = "6"
    & skf21("3","2","6","4","2","7","1","1") = "6"
    & skf21("3","2","6","4","2","7","2","1") = "6"
    & skf21("3","2","6","4","2","7","3","1") = "6"
    & skf21("3","2","6","4","2","7","4","1") = "6"
    & skf21("3","2","6","4","2","7","5","1") = "6"
    & skf21("3","2","6","4","2","7","6","1") = "6"
    & skf21("3","2","6","4","2","7","7","1") = "6"
    & skf21("3","2","6","4","3","1","1","1") = "5"
    & skf21("3","2","6","4","3","1","2","1") = "5"
    & skf21("3","2","6","4","3","1","3","1") = "5"
    & skf21("3","2","6","4","3","1","4","1") = "5"
    & skf21("3","2","6","4","3","1","5","1") = "5"
    & skf21("3","2","6","4","3","1","6","1") = "5"
    & skf21("3","2","6","4","3","1","7","1") = "6"
    & skf21("3","2","6","4","3","2","1","1") = "5"
    & skf21("3","2","6","4","3","2","2","1") = "5"
    & skf21("3","2","6","4","3","2","3","1") = "5"
    & skf21("3","2","6","4","3","2","4","1") = "5"
    & skf21("3","2","6","4","3","2","5","1") = "5"
    & skf21("3","2","6","4","3","2","6","1") = "5"
    & skf21("3","2","6","4","3","2","7","1") = "6"
    & skf21("3","2","6","4","3","3","1","1") = "5"
    & skf21("3","2","6","4","3","3","2","1") = "5"
    & skf21("3","2","6","4","3","3","3","1") = "5"
    & skf21("3","2","6","4","3","3","4","1") = "5"
    & skf21("3","2","6","4","3","3","5","1") = "5"
    & skf21("3","2","6","4","3","3","6","1") = "5"
    & skf21("3","2","6","4","3","3","7","1") = "6"
    & skf21("3","2","6","4","3","4","1","1") = "5"
    & skf21("3","2","6","4","3","4","2","1") = "5"
    & skf21("3","2","6","4","3","4","3","1") = "5"
    & skf21("3","2","6","4","3","4","4","1") = "5"
    & skf21("3","2","6","4","3","4","5","1") = "5"
    & skf21("3","2","6","4","3","4","6","1") = "5"
    & skf21("3","2","6","4","3","4","7","1") = "6"
    & skf21("3","2","6","4","3","5","1","1") = "5"
    & skf21("3","2","6","4","3","5","2","1") = "5"
    & skf21("3","2","6","4","3","5","3","1") = "5"
    & skf21("3","2","6","4","3","5","4","1") = "5"
    & skf21("3","2","6","4","3","5","5","1") = "5"
    & skf21("3","2","6","4","3","5","6","1") = "5"
    & skf21("3","2","6","4","3","5","7","1") = "6"
    & skf21("3","2","6","4","3","6","1","1") = "5"
    & skf21("3","2","6","4","3","6","2","1") = "5"
    & skf21("3","2","6","4","3","6","3","1") = "5"
    & skf21("3","2","6","4","3","6","4","1") = "5"
    & skf21("3","2","6","4","3","6","5","1") = "5"
    & skf21("3","2","6","4","3","6","6","1") = "5"
    & skf21("3","2","6","4","3","6","7","1") = "6"
    & skf21("3","2","6","4","3","7","1","1") = "6"
    & skf21("3","2","6","4","3","7","2","1") = "6"
    & skf21("3","2","6","4","3","7","3","1") = "6"
    & skf21("3","2","6","4","3","7","4","1") = "6"
    & skf21("3","2","6","4","3","7","5","1") = "6"
    & skf21("3","2","6","4","3","7","6","1") = "6"
    & skf21("3","2","6","4","3","7","7","1") = "6"
    & skf21("3","2","6","4","4","1","1","1") = "5"
    & skf21("3","2","6","4","4","1","2","1") = "5"
    & skf21("3","2","6","4","4","1","3","1") = "5"
    & skf21("3","2","6","4","4","1","4","1") = "5"
    & skf21("3","2","6","4","4","1","5","1") = "5"
    & skf21("3","2","6","4","4","1","6","1") = "5"
    & skf21("3","2","6","4","4","1","7","1") = "6"
    & skf21("3","2","6","4","4","2","1","1") = "5"
    & skf21("3","2","6","4","4","2","2","1") = "5"
    & skf21("3","2","6","4","4","2","3","1") = "5"
    & skf21("3","2","6","4","4","2","4","1") = "5"
    & skf21("3","2","6","4","4","2","5","1") = "5"
    & skf21("3","2","6","4","4","2","6","1") = "5"
    & skf21("3","2","6","4","4","2","7","1") = "6"
    & skf21("3","2","6","4","4","3","1","1") = "5"
    & skf21("3","2","6","4","4","3","2","1") = "5"
    & skf21("3","2","6","4","4","3","3","1") = "5"
    & skf21("3","2","6","4","4","3","4","1") = "5"
    & skf21("3","2","6","4","4","3","5","1") = "5"
    & skf21("3","2","6","4","4","3","6","1") = "5"
    & skf21("3","2","6","4","4","3","7","1") = "6"
    & skf21("3","2","6","4","4","4","1","1") = "5"
    & skf21("3","2","6","4","4","4","2","1") = "5"
    & skf21("3","2","6","4","4","4","3","1") = "5"
    & skf21("3","2","6","4","4","4","4","1") = "5"
    & skf21("3","2","6","4","4","4","5","1") = "5"
    & skf21("3","2","6","4","4","4","6","1") = "5"
    & skf21("3","2","6","4","4","4","7","1") = "6"
    & skf21("3","2","6","4","4","5","1","1") = "5"
    & skf21("3","2","6","4","4","5","2","1") = "5"
    & skf21("3","2","6","4","4","5","3","1") = "5"
    & skf21("3","2","6","4","4","5","4","1") = "5"
    & skf21("3","2","6","4","4","5","5","1") = "5"
    & skf21("3","2","6","4","4","5","6","1") = "5"
    & skf21("3","2","6","4","4","5","7","1") = "6"
    & skf21("3","2","6","4","4","6","1","1") = "5"
    & skf21("3","2","6","4","4","6","2","1") = "5"
    & skf21("3","2","6","4","4","6","3","1") = "5"
    & skf21("3","2","6","4","4","6","4","1") = "5"
    & skf21("3","2","6","4","4","6","5","1") = "5"
    & skf21("3","2","6","4","4","6","6","1") = "5"
    & skf21("3","2","6","4","4","6","7","1") = "6"
    & skf21("3","2","6","4","4","7","1","1") = "6"
    & skf21("3","2","6","4","4","7","2","1") = "6"
    & skf21("3","2","6","4","4","7","3","1") = "6"
    & skf21("3","2","6","4","4","7","4","1") = "6"
    & skf21("3","2","6","4","4","7","5","1") = "6"
    & skf21("3","2","6","4","4","7","6","1") = "6"
    & skf21("3","2","6","4","4","7","7","1") = "6"
    & skf21("3","2","6","4","5","1","1","1") = "5"
    & skf21("3","2","6","4","5","1","2","1") = "5"
    & skf21("3","2","6","4","5","1","3","1") = "5"
    & skf21("3","2","6","4","5","1","4","1") = "5"
    & skf21("3","2","6","4","5","1","5","1") = "5"
    & skf21("3","2","6","4","5","1","6","1") = "5"
    & skf21("3","2","6","4","5","1","7","1") = "6"
    & skf21("3","2","6","4","5","2","1","1") = "5"
    & skf21("3","2","6","4","5","2","2","1") = "5"
    & skf21("3","2","6","4","5","2","3","1") = "5"
    & skf21("3","2","6","4","5","2","4","1") = "5"
    & skf21("3","2","6","4","5","2","5","1") = "5"
    & skf21("3","2","6","4","5","2","6","1") = "5"
    & skf21("3","2","6","4","5","2","7","1") = "6"
    & skf21("3","2","6","4","5","3","1","1") = "5"
    & skf21("3","2","6","4","5","3","2","1") = "5"
    & skf21("3","2","6","4","5","3","3","1") = "5"
    & skf21("3","2","6","4","5","3","4","1") = "5"
    & skf21("3","2","6","4","5","3","5","1") = "5"
    & skf21("3","2","6","4","5","3","6","1") = "5"
    & skf21("3","2","6","4","5","3","7","1") = "6"
    & skf21("3","2","6","4","5","4","1","1") = "5"
    & skf21("3","2","6","4","5","4","2","1") = "5"
    & skf21("3","2","6","4","5","4","3","1") = "5"
    & skf21("3","2","6","4","5","4","4","1") = "5"
    & skf21("3","2","6","4","5","4","5","1") = "5"
    & skf21("3","2","6","4","5","4","6","1") = "5"
    & skf21("3","2","6","4","5","4","7","1") = "6"
    & skf21("3","2","6","4","5","5","1","1") = "5"
    & skf21("3","2","6","4","5","5","2","1") = "5"
    & skf21("3","2","6","4","5","5","3","1") = "5"
    & skf21("3","2","6","4","5","5","4","1") = "5"
    & skf21("3","2","6","4","5","5","5","1") = "5"
    & skf21("3","2","6","4","5","5","6","1") = "5"
    & skf21("3","2","6","4","5","5","7","1") = "6"
    & skf21("3","2","6","4","5","6","1","1") = "5"
    & skf21("3","2","6","4","5","6","2","1") = "5"
    & skf21("3","2","6","4","5","6","3","1") = "5"
    & skf21("3","2","6","4","5","6","4","1") = "5"
    & skf21("3","2","6","4","5","6","5","1") = "5"
    & skf21("3","2","6","4","5","6","6","1") = "5"
    & skf21("3","2","6","4","5","6","7","1") = "6"
    & skf21("3","2","6","4","5","7","1","1") = "6"
    & skf21("3","2","6","4","5","7","2","1") = "6"
    & skf21("3","2","6","4","5","7","3","1") = "6"
    & skf21("3","2","6","4","5","7","4","1") = "6"
    & skf21("3","2","6","4","5","7","5","1") = "6"
    & skf21("3","2","6","4","5","7","6","1") = "6"
    & skf21("3","2","6","4","5","7","7","1") = "6"
    & skf21("3","2","6","4","6","1","1","1") = "5"
    & skf21("3","2","6","4","6","1","2","1") = "5"
    & skf21("3","2","6","4","6","1","3","1") = "5"
    & skf21("3","2","6","4","6","1","4","1") = "5"
    & skf21("3","2","6","4","6","1","5","1") = "5"
    & skf21("3","2","6","4","6","1","6","1") = "5"
    & skf21("3","2","6","4","6","1","7","1") = "6"
    & skf21("3","2","6","4","6","2","1","1") = "5"
    & skf21("3","2","6","4","6","2","2","1") = "5"
    & skf21("3","2","6","4","6","2","3","1") = "5"
    & skf21("3","2","6","4","6","2","4","1") = "5"
    & skf21("3","2","6","4","6","2","5","1") = "5"
    & skf21("3","2","6","4","6","2","6","1") = "5"
    & skf21("3","2","6","4","6","2","7","1") = "6"
    & skf21("3","2","6","4","6","3","1","1") = "5"
    & skf21("3","2","6","4","6","3","2","1") = "5"
    & skf21("3","2","6","4","6","3","3","1") = "5"
    & skf21("3","2","6","4","6","3","4","1") = "5"
    & skf21("3","2","6","4","6","3","5","1") = "5"
    & skf21("3","2","6","4","6","3","6","1") = "5"
    & skf21("3","2","6","4","6","3","7","1") = "6"
    & skf21("3","2","6","4","6","4","1","1") = "5"
    & skf21("3","2","6","4","6","4","2","1") = "5"
    & skf21("3","2","6","4","6","4","3","1") = "5"
    & skf21("3","2","6","4","6","4","4","1") = "5"
    & skf21("3","2","6","4","6","4","5","1") = "5"
    & skf21("3","2","6","4","6","4","6","1") = "5"
    & skf21("3","2","6","4","6","4","7","1") = "6"
    & skf21("3","2","6","4","6","5","1","1") = "5"
    & skf21("3","2","6","4","6","5","2","1") = "5"
    & skf21("3","2","6","4","6","5","3","1") = "5"
    & skf21("3","2","6","4","6","5","4","1") = "5"
    & skf21("3","2","6","4","6","5","5","1") = "5"
    & skf21("3","2","6","4","6","5","6","1") = "5"
    & skf21("3","2","6","4","6","5","7","1") = "6"
    & skf21("3","2","6","4","6","6","1","1") = "5"
    & skf21("3","2","6","4","6","6","2","1") = "5"
    & skf21("3","2","6","4","6","6","3","1") = "5"
    & skf21("3","2","6","4","6","6","4","1") = "5"
    & skf21("3","2","6","4","6","6","5","1") = "5"
    & skf21("3","2","6","4","6","6","6","1") = "5"
    & skf21("3","2","6","4","6","6","7","1") = "6"
    & skf21("3","2","6","4","6","7","1","1") = "6"
    & skf21("3","2","6","4","6","7","2","1") = "6"
    & skf21("3","2","6","4","6","7","3","1") = "6"
    & skf21("3","2","6","4","6","7","4","1") = "6"
    & skf21("3","2","6","4","6","7","5","1") = "6"
    & skf21("3","2","6","4","6","7","6","1") = "6"
    & skf21("3","2","6","4","6","7","7","1") = "6"
    & skf21("3","2","6","4","7","1","1","1") = "6"
    & skf21("3","2","6","4","7","1","2","1") = "6"
    & skf21("3","2","6","4","7","1","3","1") = "6"
    & skf21("3","2","6","4","7","1","4","1") = "6"
    & skf21("3","2","6","4","7","1","5","1") = "6"
    & skf21("3","2","6","4","7","1","6","1") = "6"
    & skf21("3","2","6","4","7","1","7","1") = "6"
    & skf21("3","2","6","4","7","2","1","1") = "6"
    & skf21("3","2","6","4","7","2","2","1") = "6"
    & skf21("3","2","6","4","7","2","3","1") = "6"
    & skf21("3","2","6","4","7","2","4","1") = "6"
    & skf21("3","2","6","4","7","2","5","1") = "6"
    & skf21("3","2","6","4","7","2","6","1") = "6"
    & skf21("3","2","6","4","7","2","7","1") = "6"
    & skf21("3","2","6","4","7","3","1","1") = "6"
    & skf21("3","2","6","4","7","3","2","1") = "6"
    & skf21("3","2","6","4","7","3","3","1") = "6"
    & skf21("3","2","6","4","7","3","4","1") = "6"
    & skf21("3","2","6","4","7","3","5","1") = "6"
    & skf21("3","2","6","4","7","3","6","1") = "6"
    & skf21("3","2","6","4","7","3","7","1") = "6"
    & skf21("3","2","6","4","7","4","1","1") = "6"
    & skf21("3","2","6","4","7","4","2","1") = "6"
    & skf21("3","2","6","4","7","4","3","1") = "6"
    & skf21("3","2","6","4","7","4","4","1") = "6"
    & skf21("3","2","6","4","7","4","5","1") = "6"
    & skf21("3","2","6","4","7","4","6","1") = "6"
    & skf21("3","2","6","4","7","4","7","1") = "6"
    & skf21("3","2","6","4","7","5","1","1") = "6"
    & skf21("3","2","6","4","7","5","2","1") = "6"
    & skf21("3","2","6","4","7","5","3","1") = "6"
    & skf21("3","2","6","4","7","5","4","1") = "6"
    & skf21("3","2","6","4","7","5","5","1") = "6"
    & skf21("3","2","6","4","7","5","6","1") = "6"
    & skf21("3","2","6","4","7","5","7","1") = "6"
    & skf21("3","2","6","4","7","6","1","1") = "6"
    & skf21("3","2","6","4","7","6","2","1") = "6"
    & skf21("3","2","6","4","7","6","3","1") = "6"
    & skf21("3","2","6","4","7","6","4","1") = "6"
    & skf21("3","2","6","4","7","6","5","1") = "6"
    & skf21("3","2","6","4","7","6","6","1") = "6"
    & skf21("3","2","6","4","7","6","7","1") = "6"
    & skf21("3","2","6","4","7","7","1","1") = "6"
    & skf21("3","2","6","4","7","7","2","1") = "6"
    & skf21("3","2","6","4","7","7","3","1") = "6"
    & skf21("3","2","6","4","7","7","4","1") = "6"
    & skf21("3","2","6","4","7","7","5","1") = "6"
    & skf21("3","2","6","4","7","7","6","1") = "6"
    & skf21("3","2","6","4","7","7","7","1") = "6"
    & skf21("3","2","6","5","1","1","1","1") = "5"
    & skf21("3","2","6","5","1","1","2","1") = "5"
    & skf21("3","2","6","5","1","1","3","1") = "5"
    & skf21("3","2","6","5","1","1","4","1") = "5"
    & skf21("3","2","6","5","1","1","5","1") = "5"
    & skf21("3","2","6","5","1","1","6","1") = "5"
    & skf21("3","2","6","5","1","1","7","1") = "6"
    & skf21("3","2","6","5","1","2","1","1") = "5"
    & skf21("3","2","6","5","1","2","2","1") = "5"
    & skf21("3","2","6","5","1","2","3","1") = "5"
    & skf21("3","2","6","5","1","2","4","1") = "5"
    & skf21("3","2","6","5","1","2","5","1") = "5"
    & skf21("3","2","6","5","1","2","6","1") = "5"
    & skf21("3","2","6","5","1","2","7","1") = "6"
    & skf21("3","2","6","5","1","3","1","1") = "5"
    & skf21("3","2","6","5","1","3","2","1") = "5"
    & skf21("3","2","6","5","1","3","3","1") = "5"
    & skf21("3","2","6","5","1","3","4","1") = "5"
    & skf21("3","2","6","5","1","3","5","1") = "5"
    & skf21("3","2","6","5","1","3","6","1") = "5"
    & skf21("3","2","6","5","1","3","7","1") = "6"
    & skf21("3","2","6","5","1","4","1","1") = "5"
    & skf21("3","2","6","5","1","4","2","1") = "5"
    & skf21("3","2","6","5","1","4","3","1") = "5"
    & skf21("3","2","6","5","1","4","4","1") = "5"
    & skf21("3","2","6","5","1","4","5","1") = "5"
    & skf21("3","2","6","5","1","4","6","1") = "5"
    & skf21("3","2","6","5","1","4","7","1") = "6"
    & skf21("3","2","6","5","1","5","1","1") = "5"
    & skf21("3","2","6","5","1","5","2","1") = "5"
    & skf21("3","2","6","5","1","5","3","1") = "5"
    & skf21("3","2","6","5","1","5","4","1") = "5"
    & skf21("3","2","6","5","1","5","5","1") = "5"
    & skf21("3","2","6","5","1","5","6","1") = "5"
    & skf21("3","2","6","5","1","5","7","1") = "6"
    & skf21("3","2","6","5","1","6","1","1") = "5"
    & skf21("3","2","6","5","1","6","2","1") = "5"
    & skf21("3","2","6","5","1","6","3","1") = "5"
    & skf21("3","2","6","5","1","6","4","1") = "5"
    & skf21("3","2","6","5","1","6","5","1") = "5"
    & skf21("3","2","6","5","1","6","6","1") = "5"
    & skf21("3","2","6","5","1","6","7","1") = "6"
    & skf21("3","2","6","5","1","7","1","1") = "6"
    & skf21("3","2","6","5","1","7","2","1") = "6"
    & skf21("3","2","6","5","1","7","3","1") = "6"
    & skf21("3","2","6","5","1","7","4","1") = "6"
    & skf21("3","2","6","5","1","7","5","1") = "6"
    & skf21("3","2","6","5","1","7","6","1") = "6"
    & skf21("3","2","6","5","1","7","7","1") = "6"
    & skf21("3","2","6","5","2","1","1","1") = "5"
    & skf21("3","2","6","5","2","1","2","1") = "5"
    & skf21("3","2","6","5","2","1","3","1") = "5"
    & skf21("3","2","6","5","2","1","4","1") = "5"
    & skf21("3","2","6","5","2","1","5","1") = "5"
    & skf21("3","2","6","5","2","1","6","1") = "5"
    & skf21("3","2","6","5","2","1","7","1") = "6"
    & skf21("3","2","6","5","2","2","1","1") = "5"
    & skf21("3","2","6","5","2","2","2","1") = "5"
    & skf21("3","2","6","5","2","2","3","1") = "5"
    & skf21("3","2","6","5","2","2","4","1") = "5"
    & skf21("3","2","6","5","2","2","5","1") = "5"
    & skf21("3","2","6","5","2","2","6","1") = "5"
    & skf21("3","2","6","5","2","2","7","1") = "6"
    & skf21("3","2","6","5","2","3","1","1") = "5"
    & skf21("3","2","6","5","2","3","2","1") = "5"
    & skf21("3","2","6","5","2","3","3","1") = "5"
    & skf21("3","2","6","5","2","3","4","1") = "5"
    & skf21("3","2","6","5","2","3","5","1") = "5"
    & skf21("3","2","6","5","2","3","6","1") = "5"
    & skf21("3","2","6","5","2","3","7","1") = "6"
    & skf21("3","2","6","5","2","4","1","1") = "5"
    & skf21("3","2","6","5","2","4","2","1") = "5"
    & skf21("3","2","6","5","2","4","3","1") = "5"
    & skf21("3","2","6","5","2","4","4","1") = "5"
    & skf21("3","2","6","5","2","4","5","1") = "5"
    & skf21("3","2","6","5","2","4","6","1") = "5"
    & skf21("3","2","6","5","2","4","7","1") = "6"
    & skf21("3","2","6","5","2","5","1","1") = "5"
    & skf21("3","2","6","5","2","5","2","1") = "5"
    & skf21("3","2","6","5","2","5","3","1") = "5"
    & skf21("3","2","6","5","2","5","4","1") = "5"
    & skf21("3","2","6","5","2","5","5","1") = "5"
    & skf21("3","2","6","5","2","5","6","1") = "5"
    & skf21("3","2","6","5","2","5","7","1") = "6"
    & skf21("3","2","6","5","2","6","1","1") = "5"
    & skf21("3","2","6","5","2","6","2","1") = "5"
    & skf21("3","2","6","5","2","6","3","1") = "5"
    & skf21("3","2","6","5","2","6","4","1") = "5"
    & skf21("3","2","6","5","2","6","5","1") = "5"
    & skf21("3","2","6","5","2","6","6","1") = "5"
    & skf21("3","2","6","5","2","6","7","1") = "6"
    & skf21("3","2","6","5","2","7","1","1") = "6"
    & skf21("3","2","6","5","2","7","2","1") = "6"
    & skf21("3","2","6","5","2","7","3","1") = "6"
    & skf21("3","2","6","5","2","7","4","1") = "6"
    & skf21("3","2","6","5","2","7","5","1") = "6"
    & skf21("3","2","6","5","2","7","6","1") = "6"
    & skf21("3","2","6","5","2","7","7","1") = "6"
    & skf21("3","2","6","5","3","1","1","1") = "5"
    & skf21("3","2","6","5","3","1","2","1") = "5"
    & skf21("3","2","6","5","3","1","3","1") = "5"
    & skf21("3","2","6","5","3","1","4","1") = "5"
    & skf21("3","2","6","5","3","1","5","1") = "5"
    & skf21("3","2","6","5","3","1","6","1") = "5"
    & skf21("3","2","6","5","3","1","7","1") = "6"
    & skf21("3","2","6","5","3","2","1","1") = "5"
    & skf21("3","2","6","5","3","2","2","1") = "5"
    & skf21("3","2","6","5","3","2","3","1") = "5"
    & skf21("3","2","6","5","3","2","4","1") = "5"
    & skf21("3","2","6","5","3","2","5","1") = "5"
    & skf21("3","2","6","5","3","2","6","1") = "5"
    & skf21("3","2","6","5","3","2","7","1") = "6"
    & skf21("3","2","6","5","3","3","1","1") = "5"
    & skf21("3","2","6","5","3","3","2","1") = "5"
    & skf21("3","2","6","5","3","3","3","1") = "5"
    & skf21("3","2","6","5","3","3","4","1") = "5"
    & skf21("3","2","6","5","3","3","5","1") = "5"
    & skf21("3","2","6","5","3","3","6","1") = "5"
    & skf21("3","2","6","5","3","3","7","1") = "6"
    & skf21("3","2","6","5","3","4","1","1") = "5"
    & skf21("3","2","6","5","3","4","2","1") = "5"
    & skf21("3","2","6","5","3","4","3","1") = "5"
    & skf21("3","2","6","5","3","4","4","1") = "5"
    & skf21("3","2","6","5","3","4","5","1") = "5"
    & skf21("3","2","6","5","3","4","6","1") = "5"
    & skf21("3","2","6","5","3","4","7","1") = "6"
    & skf21("3","2","6","5","3","5","1","1") = "5"
    & skf21("3","2","6","5","3","5","2","1") = "5"
    & skf21("3","2","6","5","3","5","3","1") = "5"
    & skf21("3","2","6","5","3","5","4","1") = "5"
    & skf21("3","2","6","5","3","5","5","1") = "5"
    & skf21("3","2","6","5","3","5","6","1") = "5"
    & skf21("3","2","6","5","3","5","7","1") = "6"
    & skf21("3","2","6","5","3","6","1","1") = "5"
    & skf21("3","2","6","5","3","6","2","1") = "5"
    & skf21("3","2","6","5","3","6","3","1") = "5"
    & skf21("3","2","6","5","3","6","4","1") = "5"
    & skf21("3","2","6","5","3","6","5","1") = "5"
    & skf21("3","2","6","5","3","6","6","1") = "5"
    & skf21("3","2","6","5","3","6","7","1") = "6"
    & skf21("3","2","6","5","3","7","1","1") = "6"
    & skf21("3","2","6","5","3","7","2","1") = "6"
    & skf21("3","2","6","5","3","7","3","1") = "6"
    & skf21("3","2","6","5","3","7","4","1") = "6"
    & skf21("3","2","6","5","3","7","5","1") = "6"
    & skf21("3","2","6","5","3","7","6","1") = "6"
    & skf21("3","2","6","5","3","7","7","1") = "6"
    & skf21("3","2","6","5","4","1","1","1") = "5"
    & skf21("3","2","6","5","4","1","2","1") = "5"
    & skf21("3","2","6","5","4","1","3","1") = "5"
    & skf21("3","2","6","5","4","1","4","1") = "5"
    & skf21("3","2","6","5","4","1","5","1") = "5"
    & skf21("3","2","6","5","4","1","6","1") = "5"
    & skf21("3","2","6","5","4","1","7","1") = "6"
    & skf21("3","2","6","5","4","2","1","1") = "5"
    & skf21("3","2","6","5","4","2","2","1") = "5"
    & skf21("3","2","6","5","4","2","3","1") = "5"
    & skf21("3","2","6","5","4","2","4","1") = "5"
    & skf21("3","2","6","5","4","2","5","1") = "5"
    & skf21("3","2","6","5","4","2","6","1") = "5"
    & skf21("3","2","6","5","4","2","7","1") = "6"
    & skf21("3","2","6","5","4","3","1","1") = "5"
    & skf21("3","2","6","5","4","3","2","1") = "5"
    & skf21("3","2","6","5","4","3","3","1") = "5"
    & skf21("3","2","6","5","4","3","4","1") = "5"
    & skf21("3","2","6","5","4","3","5","1") = "5"
    & skf21("3","2","6","5","4","3","6","1") = "5"
    & skf21("3","2","6","5","4","3","7","1") = "6"
    & skf21("3","2","6","5","4","4","1","1") = "5"
    & skf21("3","2","6","5","4","4","2","1") = "5"
    & skf21("3","2","6","5","4","4","3","1") = "5"
    & skf21("3","2","6","5","4","4","4","1") = "5"
    & skf21("3","2","6","5","4","4","5","1") = "5"
    & skf21("3","2","6","5","4","4","6","1") = "5"
    & skf21("3","2","6","5","4","4","7","1") = "6"
    & skf21("3","2","6","5","4","5","1","1") = "5"
    & skf21("3","2","6","5","4","5","2","1") = "5"
    & skf21("3","2","6","5","4","5","3","1") = "5"
    & skf21("3","2","6","5","4","5","4","1") = "5"
    & skf21("3","2","6","5","4","5","5","1") = "5"
    & skf21("3","2","6","5","4","5","6","1") = "5"
    & skf21("3","2","6","5","4","5","7","1") = "6"
    & skf21("3","2","6","5","4","6","1","1") = "5"
    & skf21("3","2","6","5","4","6","2","1") = "5"
    & skf21("3","2","6","5","4","6","3","1") = "5"
    & skf21("3","2","6","5","4","6","4","1") = "5"
    & skf21("3","2","6","5","4","6","5","1") = "5"
    & skf21("3","2","6","5","4","6","6","1") = "5"
    & skf21("3","2","6","5","4","6","7","1") = "6"
    & skf21("3","2","6","5","4","7","1","1") = "6"
    & skf21("3","2","6","5","4","7","2","1") = "6"
    & skf21("3","2","6","5","4","7","3","1") = "6"
    & skf21("3","2","6","5","4","7","4","1") = "6"
    & skf21("3","2","6","5","4","7","5","1") = "6"
    & skf21("3","2","6","5","4","7","6","1") = "6"
    & skf21("3","2","6","5","4","7","7","1") = "6"
    & skf21("3","2","6","5","5","1","1","1") = "5"
    & skf21("3","2","6","5","5","1","2","1") = "5"
    & skf21("3","2","6","5","5","1","3","1") = "5"
    & skf21("3","2","6","5","5","1","4","1") = "5"
    & skf21("3","2","6","5","5","1","5","1") = "5"
    & skf21("3","2","6","5","5","1","6","1") = "5"
    & skf21("3","2","6","5","5","1","7","1") = "6"
    & skf21("3","2","6","5","5","2","1","1") = "5"
    & skf21("3","2","6","5","5","2","2","1") = "5"
    & skf21("3","2","6","5","5","2","3","1") = "5"
    & skf21("3","2","6","5","5","2","4","1") = "5"
    & skf21("3","2","6","5","5","2","5","1") = "5"
    & skf21("3","2","6","5","5","2","6","1") = "5"
    & skf21("3","2","6","5","5","2","7","1") = "6"
    & skf21("3","2","6","5","5","3","1","1") = "5"
    & skf21("3","2","6","5","5","3","2","1") = "5"
    & skf21("3","2","6","5","5","3","3","1") = "5"
    & skf21("3","2","6","5","5","3","4","1") = "5"
    & skf21("3","2","6","5","5","3","5","1") = "5"
    & skf21("3","2","6","5","5","3","6","1") = "5"
    & skf21("3","2","6","5","5","3","7","1") = "6"
    & skf21("3","2","6","5","5","4","1","1") = "5"
    & skf21("3","2","6","5","5","4","2","1") = "5"
    & skf21("3","2","6","5","5","4","3","1") = "5"
    & skf21("3","2","6","5","5","4","4","1") = "5"
    & skf21("3","2","6","5","5","4","5","1") = "5"
    & skf21("3","2","6","5","5","4","6","1") = "5"
    & skf21("3","2","6","5","5","4","7","1") = "6"
    & skf21("3","2","6","5","5","5","1","1") = "5"
    & skf21("3","2","6","5","5","5","2","1") = "5"
    & skf21("3","2","6","5","5","5","3","1") = "5"
    & skf21("3","2","6","5","5","5","4","1") = "5"
    & skf21("3","2","6","5","5","5","5","1") = "5"
    & skf21("3","2","6","5","5","5","6","1") = "5"
    & skf21("3","2","6","5","5","5","7","1") = "6"
    & skf21("3","2","6","5","5","6","1","1") = "5"
    & skf21("3","2","6","5","5","6","2","1") = "5"
    & skf21("3","2","6","5","5","6","3","1") = "5"
    & skf21("3","2","6","5","5","6","4","1") = "5"
    & skf21("3","2","6","5","5","6","5","1") = "5"
    & skf21("3","2","6","5","5","6","6","1") = "5"
    & skf21("3","2","6","5","5","6","7","1") = "6"
    & skf21("3","2","6","5","5","7","1","1") = "6"
    & skf21("3","2","6","5","5","7","2","1") = "6"
    & skf21("3","2","6","5","5","7","3","1") = "6"
    & skf21("3","2","6","5","5","7","4","1") = "6"
    & skf21("3","2","6","5","5","7","5","1") = "6"
    & skf21("3","2","6","5","5","7","6","1") = "6"
    & skf21("3","2","6","5","5","7","7","1") = "6"
    & skf21("3","2","6","5","6","1","1","1") = "5"
    & skf21("3","2","6","5","6","1","2","1") = "5"
    & skf21("3","2","6","5","6","1","3","1") = "5"
    & skf21("3","2","6","5","6","1","4","1") = "5"
    & skf21("3","2","6","5","6","1","5","1") = "5"
    & skf21("3","2","6","5","6","1","6","1") = "5"
    & skf21("3","2","6","5","6","1","7","1") = "6"
    & skf21("3","2","6","5","6","2","1","1") = "5"
    & skf21("3","2","6","5","6","2","2","1") = "5"
    & skf21("3","2","6","5","6","2","3","1") = "5"
    & skf21("3","2","6","5","6","2","4","1") = "5"
    & skf21("3","2","6","5","6","2","5","1") = "5"
    & skf21("3","2","6","5","6","2","6","1") = "5"
    & skf21("3","2","6","5","6","2","7","1") = "6"
    & skf21("3","2","6","5","6","3","1","1") = "5"
    & skf21("3","2","6","5","6","3","2","1") = "5"
    & skf21("3","2","6","5","6","3","3","1") = "5"
    & skf21("3","2","6","5","6","3","4","1") = "5"
    & skf21("3","2","6","5","6","3","5","1") = "5"
    & skf21("3","2","6","5","6","3","6","1") = "5"
    & skf21("3","2","6","5","6","3","7","1") = "6"
    & skf21("3","2","6","5","6","4","1","1") = "5"
    & skf21("3","2","6","5","6","4","2","1") = "5"
    & skf21("3","2","6","5","6","4","3","1") = "5"
    & skf21("3","2","6","5","6","4","4","1") = "5"
    & skf21("3","2","6","5","6","4","5","1") = "5"
    & skf21("3","2","6","5","6","4","6","1") = "5"
    & skf21("3","2","6","5","6","4","7","1") = "6"
    & skf21("3","2","6","5","6","5","1","1") = "5"
    & skf21("3","2","6","5","6","5","2","1") = "5"
    & skf21("3","2","6","5","6","5","3","1") = "5"
    & skf21("3","2","6","5","6","5","4","1") = "5"
    & skf21("3","2","6","5","6","5","5","1") = "5"
    & skf21("3","2","6","5","6","5","6","1") = "5"
    & skf21("3","2","6","5","6","5","7","1") = "6"
    & skf21("3","2","6","5","6","6","1","1") = "5"
    & skf21("3","2","6","5","6","6","2","1") = "5"
    & skf21("3","2","6","5","6","6","3","1") = "5"
    & skf21("3","2","6","5","6","6","4","1") = "5"
    & skf21("3","2","6","5","6","6","5","1") = "5"
    & skf21("3","2","6","5","6","6","6","1") = "5"
    & skf21("3","2","6","5","6","6","7","1") = "6"
    & skf21("3","2","6","5","6","7","1","1") = "6"
    & skf21("3","2","6","5","6","7","2","1") = "6"
    & skf21("3","2","6","5","6","7","3","1") = "6"
    & skf21("3","2","6","5","6","7","4","1") = "6"
    & skf21("3","2","6","5","6","7","5","1") = "6"
    & skf21("3","2","6","5","6","7","6","1") = "6"
    & skf21("3","2","6","5","6","7","7","1") = "6"
    & skf21("3","2","6","5","7","1","1","1") = "6"
    & skf21("3","2","6","5","7","1","2","1") = "6"
    & skf21("3","2","6","5","7","1","3","1") = "6"
    & skf21("3","2","6","5","7","1","4","1") = "6"
    & skf21("3","2","6","5","7","1","5","1") = "6"
    & skf21("3","2","6","5","7","1","6","1") = "6"
    & skf21("3","2","6","5","7","1","7","1") = "6"
    & skf21("3","2","6","5","7","2","1","1") = "6"
    & skf21("3","2","6","5","7","2","2","1") = "6"
    & skf21("3","2","6","5","7","2","3","1") = "6"
    & skf21("3","2","6","5","7","2","4","1") = "6"
    & skf21("3","2","6","5","7","2","5","1") = "6"
    & skf21("3","2","6","5","7","2","6","1") = "6"
    & skf21("3","2","6","5","7","2","7","1") = "6"
    & skf21("3","2","6","5","7","3","1","1") = "6"
    & skf21("3","2","6","5","7","3","2","1") = "6"
    & skf21("3","2","6","5","7","3","3","1") = "6"
    & skf21("3","2","6","5","7","3","4","1") = "6"
    & skf21("3","2","6","5","7","3","5","1") = "6"
    & skf21("3","2","6","5","7","3","6","1") = "6"
    & skf21("3","2","6","5","7","3","7","1") = "6"
    & skf21("3","2","6","5","7","4","1","1") = "6"
    & skf21("3","2","6","5","7","4","2","1") = "6"
    & skf21("3","2","6","5","7","4","3","1") = "6"
    & skf21("3","2","6","5","7","4","4","1") = "6"
    & skf21("3","2","6","5","7","4","5","1") = "6"
    & skf21("3","2","6","5","7","4","6","1") = "6"
    & skf21("3","2","6","5","7","4","7","1") = "6"
    & skf21("3","2","6","5","7","5","1","1") = "6"
    & skf21("3","2","6","5","7","5","2","1") = "6"
    & skf21("3","2","6","5","7","5","3","1") = "6"
    & skf21("3","2","6","5","7","5","4","1") = "6"
    & skf21("3","2","6","5","7","5","5","1") = "6"
    & skf21("3","2","6","5","7","5","6","1") = "6"
    & skf21("3","2","6","5","7","5","7","1") = "6"
    & skf21("3","2","6","5","7","6","1","1") = "6"
    & skf21("3","2","6","5","7","6","2","1") = "6"
    & skf21("3","2","6","5","7","6","3","1") = "6"
    & skf21("3","2","6","5","7","6","4","1") = "6"
    & skf21("3","2","6","5","7","6","5","1") = "6"
    & skf21("3","2","6","5","7","6","6","1") = "6"
    & skf21("3","2","6","5","7","6","7","1") = "6"
    & skf21("3","2","6","5","7","7","1","1") = "6"
    & skf21("3","2","6","5","7","7","2","1") = "6"
    & skf21("3","2","6","5","7","7","3","1") = "6"
    & skf21("3","2","6","5","7","7","4","1") = "6"
    & skf21("3","2","6","5","7","7","5","1") = "6"
    & skf21("3","2","6","5","7","7","6","1") = "6"
    & skf21("3","2","6","5","7","7","7","1") = "6"
    & skf21("3","2","6","6","1","1","1","1") = "5"
    & skf21("3","2","6","6","1","1","2","1") = "5"
    & skf21("3","2","6","6","1","1","3","1") = "5"
    & skf21("3","2","6","6","1","1","4","1") = "5"
    & skf21("3","2","6","6","1","1","5","1") = "5"
    & skf21("3","2","6","6","1","1","6","1") = "5"
    & skf21("3","2","6","6","1","1","7","1") = "6"
    & skf21("3","2","6","6","1","2","1","1") = "5"
    & skf21("3","2","6","6","1","2","2","1") = "5"
    & skf21("3","2","6","6","1","2","3","1") = "5"
    & skf21("3","2","6","6","1","2","4","1") = "5"
    & skf21("3","2","6","6","1","2","5","1") = "5"
    & skf21("3","2","6","6","1","2","6","1") = "5"
    & skf21("3","2","6","6","1","2","7","1") = "6"
    & skf21("3","2","6","6","1","3","1","1") = "5"
    & skf21("3","2","6","6","1","3","2","1") = "5"
    & skf21("3","2","6","6","1","3","3","1") = "5"
    & skf21("3","2","6","6","1","3","4","1") = "5"
    & skf21("3","2","6","6","1","3","5","1") = "5"
    & skf21("3","2","6","6","1","3","6","1") = "5"
    & skf21("3","2","6","6","1","3","7","1") = "6"
    & skf21("3","2","6","6","1","4","1","1") = "5"
    & skf21("3","2","6","6","1","4","2","1") = "5"
    & skf21("3","2","6","6","1","4","3","1") = "5"
    & skf21("3","2","6","6","1","4","4","1") = "5"
    & skf21("3","2","6","6","1","4","5","1") = "5"
    & skf21("3","2","6","6","1","4","6","1") = "5"
    & skf21("3","2","6","6","1","4","7","1") = "6"
    & skf21("3","2","6","6","1","5","1","1") = "5"
    & skf21("3","2","6","6","1","5","2","1") = "5"
    & skf21("3","2","6","6","1","5","3","1") = "5"
    & skf21("3","2","6","6","1","5","4","1") = "5"
    & skf21("3","2","6","6","1","5","5","1") = "5"
    & skf21("3","2","6","6","1","5","6","1") = "5"
    & skf21("3","2","6","6","1","5","7","1") = "6"
    & skf21("3","2","6","6","1","6","1","1") = "5"
    & skf21("3","2","6","6","1","6","2","1") = "5"
    & skf21("3","2","6","6","1","6","3","1") = "5"
    & skf21("3","2","6","6","1","6","4","1") = "5"
    & skf21("3","2","6","6","1","6","5","1") = "5"
    & skf21("3","2","6","6","1","6","6","1") = "5"
    & skf21("3","2","6","6","1","6","7","1") = "6"
    & skf21("3","2","6","6","1","7","1","1") = "6"
    & skf21("3","2","6","6","1","7","2","1") = "6"
    & skf21("3","2","6","6","1","7","3","1") = "6"
    & skf21("3","2","6","6","1","7","4","1") = "6"
    & skf21("3","2","6","6","1","7","5","1") = "6"
    & skf21("3","2","6","6","1","7","6","1") = "6"
    & skf21("3","2","6","6","1","7","7","1") = "6"
    & skf21("3","2","6","6","2","1","1","1") = "5"
    & skf21("3","2","6","6","2","1","2","1") = "5"
    & skf21("3","2","6","6","2","1","3","1") = "5"
    & skf21("3","2","6","6","2","1","4","1") = "5"
    & skf21("3","2","6","6","2","1","5","1") = "5"
    & skf21("3","2","6","6","2","1","6","1") = "5"
    & skf21("3","2","6","6","2","1","7","1") = "6"
    & skf21("3","2","6","6","2","2","1","1") = "5"
    & skf21("3","2","6","6","2","2","2","1") = "5"
    & skf21("3","2","6","6","2","2","3","1") = "5"
    & skf21("3","2","6","6","2","2","4","1") = "5"
    & skf21("3","2","6","6","2","2","5","1") = "5"
    & skf21("3","2","6","6","2","2","6","1") = "5"
    & skf21("3","2","6","6","2","2","7","1") = "6"
    & skf21("3","2","6","6","2","3","1","1") = "5"
    & skf21("3","2","6","6","2","3","2","1") = "5"
    & skf21("3","2","6","6","2","3","3","1") = "5"
    & skf21("3","2","6","6","2","3","4","1") = "5"
    & skf21("3","2","6","6","2","3","5","1") = "5"
    & skf21("3","2","6","6","2","3","6","1") = "5"
    & skf21("3","2","6","6","2","3","7","1") = "6"
    & skf21("3","2","6","6","2","4","1","1") = "5"
    & skf21("3","2","6","6","2","4","2","1") = "5"
    & skf21("3","2","6","6","2","4","3","1") = "5"
    & skf21("3","2","6","6","2","4","4","1") = "5"
    & skf21("3","2","6","6","2","4","5","1") = "5"
    & skf21("3","2","6","6","2","4","6","1") = "5"
    & skf21("3","2","6","6","2","4","7","1") = "6"
    & skf21("3","2","6","6","2","5","1","1") = "5"
    & skf21("3","2","6","6","2","5","2","1") = "5"
    & skf21("3","2","6","6","2","5","3","1") = "5"
    & skf21("3","2","6","6","2","5","4","1") = "5"
    & skf21("3","2","6","6","2","5","5","1") = "5"
    & skf21("3","2","6","6","2","5","6","1") = "5"
    & skf21("3","2","6","6","2","5","7","1") = "6"
    & skf21("3","2","6","6","2","6","1","1") = "5"
    & skf21("3","2","6","6","2","6","2","1") = "5"
    & skf21("3","2","6","6","2","6","3","1") = "5"
    & skf21("3","2","6","6","2","6","4","1") = "5"
    & skf21("3","2","6","6","2","6","5","1") = "5"
    & skf21("3","2","6","6","2","6","6","1") = "5"
    & skf21("3","2","6","6","2","6","7","1") = "6"
    & skf21("3","2","6","6","2","7","1","1") = "6"
    & skf21("3","2","6","6","2","7","2","1") = "6"
    & skf21("3","2","6","6","2","7","3","1") = "6"
    & skf21("3","2","6","6","2","7","4","1") = "6"
    & skf21("3","2","6","6","2","7","5","1") = "6"
    & skf21("3","2","6","6","2","7","6","1") = "6"
    & skf21("3","2","6","6","2","7","7","1") = "6"
    & skf21("3","2","6","6","3","1","1","1") = "5"
    & skf21("3","2","6","6","3","1","2","1") = "5"
    & skf21("3","2","6","6","3","1","3","1") = "5"
    & skf21("3","2","6","6","3","1","4","1") = "5"
    & skf21("3","2","6","6","3","1","5","1") = "5"
    & skf21("3","2","6","6","3","1","6","1") = "5"
    & skf21("3","2","6","6","3","1","7","1") = "6"
    & skf21("3","2","6","6","3","2","1","1") = "5"
    & skf21("3","2","6","6","3","2","2","1") = "5"
    & skf21("3","2","6","6","3","2","3","1") = "5"
    & skf21("3","2","6","6","3","2","4","1") = "5"
    & skf21("3","2","6","6","3","2","5","1") = "5"
    & skf21("3","2","6","6","3","2","6","1") = "5"
    & skf21("3","2","6","6","3","2","7","1") = "6"
    & skf21("3","2","6","6","3","3","1","1") = "5"
    & skf21("3","2","6","6","3","3","2","1") = "5"
    & skf21("3","2","6","6","3","3","3","1") = "5"
    & skf21("3","2","6","6","3","3","4","1") = "5"
    & skf21("3","2","6","6","3","3","5","1") = "5"
    & skf21("3","2","6","6","3","3","6","1") = "5"
    & skf21("3","2","6","6","3","3","7","1") = "6"
    & skf21("3","2","6","6","3","4","1","1") = "5"
    & skf21("3","2","6","6","3","4","2","1") = "5"
    & skf21("3","2","6","6","3","4","3","1") = "5"
    & skf21("3","2","6","6","3","4","4","1") = "5"
    & skf21("3","2","6","6","3","4","5","1") = "5"
    & skf21("3","2","6","6","3","4","6","1") = "5"
    & skf21("3","2","6","6","3","4","7","1") = "6"
    & skf21("3","2","6","6","3","5","1","1") = "5"
    & skf21("3","2","6","6","3","5","2","1") = "5"
    & skf21("3","2","6","6","3","5","3","1") = "5"
    & skf21("3","2","6","6","3","5","4","1") = "5"
    & skf21("3","2","6","6","3","5","5","1") = "5"
    & skf21("3","2","6","6","3","5","6","1") = "5"
    & skf21("3","2","6","6","3","5","7","1") = "6"
    & skf21("3","2","6","6","3","6","1","1") = "5"
    & skf21("3","2","6","6","3","6","2","1") = "5"
    & skf21("3","2","6","6","3","6","3","1") = "5"
    & skf21("3","2","6","6","3","6","4","1") = "5"
    & skf21("3","2","6","6","3","6","5","1") = "5"
    & skf21("3","2","6","6","3","6","6","1") = "5"
    & skf21("3","2","6","6","3","6","7","1") = "6"
    & skf21("3","2","6","6","3","7","1","1") = "6"
    & skf21("3","2","6","6","3","7","2","1") = "6"
    & skf21("3","2","6","6","3","7","3","1") = "6"
    & skf21("3","2","6","6","3","7","4","1") = "6"
    & skf21("3","2","6","6","3","7","5","1") = "6"
    & skf21("3","2","6","6","3","7","6","1") = "6"
    & skf21("3","2","6","6","3","7","7","1") = "6"
    & skf21("3","2","6","6","4","1","1","1") = "5"
    & skf21("3","2","6","6","4","1","2","1") = "5"
    & skf21("3","2","6","6","4","1","3","1") = "5"
    & skf21("3","2","6","6","4","1","4","1") = "5"
    & skf21("3","2","6","6","4","1","5","1") = "5"
    & skf21("3","2","6","6","4","1","6","1") = "5"
    & skf21("3","2","6","6","4","1","7","1") = "6"
    & skf21("3","2","6","6","4","2","1","1") = "5"
    & skf21("3","2","6","6","4","2","2","1") = "5"
    & skf21("3","2","6","6","4","2","3","1") = "5"
    & skf21("3","2","6","6","4","2","4","1") = "5"
    & skf21("3","2","6","6","4","2","5","1") = "5"
    & skf21("3","2","6","6","4","2","6","1") = "5"
    & skf21("3","2","6","6","4","2","7","1") = "6"
    & skf21("3","2","6","6","4","3","1","1") = "5"
    & skf21("3","2","6","6","4","3","2","1") = "5"
    & skf21("3","2","6","6","4","3","3","1") = "5"
    & skf21("3","2","6","6","4","3","4","1") = "5"
    & skf21("3","2","6","6","4","3","5","1") = "5"
    & skf21("3","2","6","6","4","3","6","1") = "5"
    & skf21("3","2","6","6","4","3","7","1") = "6"
    & skf21("3","2","6","6","4","4","1","1") = "5"
    & skf21("3","2","6","6","4","4","2","1") = "5"
    & skf21("3","2","6","6","4","4","3","1") = "5"
    & skf21("3","2","6","6","4","4","4","1") = "5"
    & skf21("3","2","6","6","4","4","5","1") = "5"
    & skf21("3","2","6","6","4","4","6","1") = "5"
    & skf21("3","2","6","6","4","4","7","1") = "6"
    & skf21("3","2","6","6","4","5","1","1") = "5"
    & skf21("3","2","6","6","4","5","2","1") = "5"
    & skf21("3","2","6","6","4","5","3","1") = "5"
    & skf21("3","2","6","6","4","5","4","1") = "5"
    & skf21("3","2","6","6","4","5","5","1") = "5"
    & skf21("3","2","6","6","4","5","6","1") = "5"
    & skf21("3","2","6","6","4","5","7","1") = "6"
    & skf21("3","2","6","6","4","6","1","1") = "5"
    & skf21("3","2","6","6","4","6","2","1") = "5"
    & skf21("3","2","6","6","4","6","3","1") = "5"
    & skf21("3","2","6","6","4","6","4","1") = "5"
    & skf21("3","2","6","6","4","6","5","1") = "5"
    & skf21("3","2","6","6","4","6","6","1") = "5"
    & skf21("3","2","6","6","4","6","7","1") = "6"
    & skf21("3","2","6","6","4","7","1","1") = "6"
    & skf21("3","2","6","6","4","7","2","1") = "6"
    & skf21("3","2","6","6","4","7","3","1") = "6"
    & skf21("3","2","6","6","4","7","4","1") = "6"
    & skf21("3","2","6","6","4","7","5","1") = "6"
    & skf21("3","2","6","6","4","7","6","1") = "6"
    & skf21("3","2","6","6","4","7","7","1") = "6"
    & skf21("3","2","6","6","5","1","1","1") = "5"
    & skf21("3","2","6","6","5","1","2","1") = "5"
    & skf21("3","2","6","6","5","1","3","1") = "5"
    & skf21("3","2","6","6","5","1","4","1") = "5"
    & skf21("3","2","6","6","5","1","5","1") = "5"
    & skf21("3","2","6","6","5","1","6","1") = "5"
    & skf21("3","2","6","6","5","1","7","1") = "6"
    & skf21("3","2","6","6","5","2","1","1") = "5"
    & skf21("3","2","6","6","5","2","2","1") = "5"
    & skf21("3","2","6","6","5","2","3","1") = "5"
    & skf21("3","2","6","6","5","2","4","1") = "5"
    & skf21("3","2","6","6","5","2","5","1") = "5"
    & skf21("3","2","6","6","5","2","6","1") = "5"
    & skf21("3","2","6","6","5","2","7","1") = "6"
    & skf21("3","2","6","6","5","3","1","1") = "5"
    & skf21("3","2","6","6","5","3","2","1") = "5"
    & skf21("3","2","6","6","5","3","3","1") = "5"
    & skf21("3","2","6","6","5","3","4","1") = "5"
    & skf21("3","2","6","6","5","3","5","1") = "5"
    & skf21("3","2","6","6","5","3","6","1") = "5"
    & skf21("3","2","6","6","5","3","7","1") = "6"
    & skf21("3","2","6","6","5","4","1","1") = "5"
    & skf21("3","2","6","6","5","4","2","1") = "5"
    & skf21("3","2","6","6","5","4","3","1") = "5"
    & skf21("3","2","6","6","5","4","4","1") = "5"
    & skf21("3","2","6","6","5","4","5","1") = "5"
    & skf21("3","2","6","6","5","4","6","1") = "5"
    & skf21("3","2","6","6","5","4","7","1") = "6"
    & skf21("3","2","6","6","5","5","1","1") = "5"
    & skf21("3","2","6","6","5","5","2","1") = "5"
    & skf21("3","2","6","6","5","5","3","1") = "5"
    & skf21("3","2","6","6","5","5","4","1") = "5"
    & skf21("3","2","6","6","5","5","5","1") = "5"
    & skf21("3","2","6","6","5","5","6","1") = "5"
    & skf21("3","2","6","6","5","5","7","1") = "6"
    & skf21("3","2","6","6","5","6","1","1") = "5"
    & skf21("3","2","6","6","5","6","2","1") = "5"
    & skf21("3","2","6","6","5","6","3","1") = "5"
    & skf21("3","2","6","6","5","6","4","1") = "5"
    & skf21("3","2","6","6","5","6","5","1") = "5"
    & skf21("3","2","6","6","5","6","6","1") = "5"
    & skf21("3","2","6","6","5","6","7","1") = "6"
    & skf21("3","2","6","6","5","7","1","1") = "6"
    & skf21("3","2","6","6","5","7","2","1") = "6"
    & skf21("3","2","6","6","5","7","3","1") = "6"
    & skf21("3","2","6","6","5","7","4","1") = "6"
    & skf21("3","2","6","6","5","7","5","1") = "6"
    & skf21("3","2","6","6","5","7","6","1") = "6"
    & skf21("3","2","6","6","5","7","7","1") = "6"
    & skf21("3","2","6","6","6","1","1","1") = "5"
    & skf21("3","2","6","6","6","1","2","1") = "5"
    & skf21("3","2","6","6","6","1","3","1") = "5"
    & skf21("3","2","6","6","6","1","4","1") = "5"
    & skf21("3","2","6","6","6","1","5","1") = "5"
    & skf21("3","2","6","6","6","1","6","1") = "5"
    & skf21("3","2","6","6","6","1","7","1") = "6"
    & skf21("3","2","6","6","6","2","1","1") = "5"
    & skf21("3","2","6","6","6","2","2","1") = "5"
    & skf21("3","2","6","6","6","2","3","1") = "5"
    & skf21("3","2","6","6","6","2","4","1") = "5"
    & skf21("3","2","6","6","6","2","5","1") = "5"
    & skf21("3","2","6","6","6","2","6","1") = "5"
    & skf21("3","2","6","6","6","2","7","1") = "6"
    & skf21("3","2","6","6","6","3","1","1") = "5"
    & skf21("3","2","6","6","6","3","2","1") = "5"
    & skf21("3","2","6","6","6","3","3","1") = "5"
    & skf21("3","2","6","6","6","3","4","1") = "5"
    & skf21("3","2","6","6","6","3","5","1") = "5"
    & skf21("3","2","6","6","6","3","6","1") = "5"
    & skf21("3","2","6","6","6","3","7","1") = "6"
    & skf21("3","2","6","6","6","4","1","1") = "5"
    & skf21("3","2","6","6","6","4","2","1") = "5"
    & skf21("3","2","6","6","6","4","3","1") = "5"
    & skf21("3","2","6","6","6","4","4","1") = "5"
    & skf21("3","2","6","6","6","4","5","1") = "5"
    & skf21("3","2","6","6","6","4","6","1") = "5"
    & skf21("3","2","6","6","6","4","7","1") = "6"
    & skf21("3","2","6","6","6","5","1","1") = "5"
    & skf21("3","2","6","6","6","5","2","1") = "5"
    & skf21("3","2","6","6","6","5","3","1") = "5"
    & skf21("3","2","6","6","6","5","4","1") = "5"
    & skf21("3","2","6","6","6","5","5","1") = "5"
    & skf21("3","2","6","6","6","5","6","1") = "5"
    & skf21("3","2","6","6","6","5","7","1") = "6"
    & skf21("3","2","6","6","6","6","1","1") = "5"
    & skf21("3","2","6","6","6","6","2","1") = "5"
    & skf21("3","2","6","6","6","6","3","1") = "5"
    & skf21("3","2","6","6","6","6","4","1") = "5"
    & skf21("3","2","6","6","6","6","5","1") = "5"
    & skf21("3","2","6","6","6","6","6","1") = "5"
    & skf21("3","2","6","6","6","6","7","1") = "6"
    & skf21("3","2","6","6","6","7","1","1") = "6"
    & skf21("3","2","6","6","6","7","2","1") = "6"
    & skf21("3","2","6","6","6","7","3","1") = "6"
    & skf21("3","2","6","6","6","7","4","1") = "6"
    & skf21("3","2","6","6","6","7","5","1") = "6"
    & skf21("3","2","6","6","6","7","6","1") = "6"
    & skf21("3","2","6","6","6","7","7","1") = "6"
    & skf21("3","2","6","6","7","1","1","1") = "6"
    & skf21("3","2","6","6","7","1","2","1") = "6"
    & skf21("3","2","6","6","7","1","3","1") = "6"
    & skf21("3","2","6","6","7","1","4","1") = "6"
    & skf21("3","2","6","6","7","1","5","1") = "6"
    & skf21("3","2","6","6","7","1","6","1") = "6"
    & skf21("3","2","6","6","7","1","7","1") = "6"
    & skf21("3","2","6","6","7","2","1","1") = "6"
    & skf21("3","2","6","6","7","2","2","1") = "6"
    & skf21("3","2","6","6","7","2","3","1") = "6"
    & skf21("3","2","6","6","7","2","4","1") = "6"
    & skf21("3","2","6","6","7","2","5","1") = "6"
    & skf21("3","2","6","6","7","2","6","1") = "6"
    & skf21("3","2","6","6","7","2","7","1") = "6"
    & skf21("3","2","6","6","7","3","1","1") = "6"
    & skf21("3","2","6","6","7","3","2","1") = "6"
    & skf21("3","2","6","6","7","3","3","1") = "6"
    & skf21("3","2","6","6","7","3","4","1") = "6"
    & skf21("3","2","6","6","7","3","5","1") = "6"
    & skf21("3","2","6","6","7","3","6","1") = "6"
    & skf21("3","2","6","6","7","3","7","1") = "6"
    & skf21("3","2","6","6","7","4","1","1") = "6"
    & skf21("3","2","6","6","7","4","2","1") = "6"
    & skf21("3","2","6","6","7","4","3","1") = "6"
    & skf21("3","2","6","6","7","4","4","1") = "6"
    & skf21("3","2","6","6","7","4","5","1") = "6"
    & skf21("3","2","6","6","7","4","6","1") = "6"
    & skf21("3","2","6","6","7","4","7","1") = "6"
    & skf21("3","2","6","6","7","5","1","1") = "6"
    & skf21("3","2","6","6","7","5","2","1") = "6"
    & skf21("3","2","6","6","7","5","3","1") = "6"
    & skf21("3","2","6","6","7","5","4","1") = "6"
    & skf21("3","2","6","6","7","5","5","1") = "6"
    & skf21("3","2","6","6","7","5","6","1") = "6"
    & skf21("3","2","6","6","7","5","7","1") = "6"
    & skf21("3","2","6","6","7","6","1","1") = "6"
    & skf21("3","2","6","6","7","6","2","1") = "6"
    & skf21("3","2","6","6","7","6","3","1") = "6"
    & skf21("3","2","6","6","7","6","4","1") = "6"
    & skf21("3","2","6","6","7","6","5","1") = "6"
    & skf21("3","2","6","6","7","6","6","1") = "6"
    & skf21("3","2","6","6","7","6","7","1") = "6"
    & skf21("3","2","6","6","7","7","1","1") = "6"
    & skf21("3","2","6","6","7","7","2","1") = "6"
    & skf21("3","2","6","6","7","7","3","1") = "6"
    & skf21("3","2","6","6","7","7","4","1") = "6"
    & skf21("3","2","6","6","7","7","5","1") = "6"
    & skf21("3","2","6","6","7","7","6","1") = "6"
    & skf21("3","2","6","6","7","7","7","1") = "6"
    & skf21("3","2","6","7","1","1","1","1") = "6"
    & skf21("3","2","6","7","1","1","2","1") = "6"
    & skf21("3","2","6","7","1","1","3","1") = "6"
    & skf21("3","2","6","7","1","1","4","1") = "6"
    & skf21("3","2","6","7","1","1","5","1") = "6"
    & skf21("3","2","6","7","1","1","6","1") = "6"
    & skf21("3","2","6","7","1","1","7","1") = "6"
    & skf21("3","2","6","7","1","2","1","1") = "6"
    & skf21("3","2","6","7","1","2","2","1") = "6"
    & skf21("3","2","6","7","1","2","3","1") = "6"
    & skf21("3","2","6","7","1","2","4","1") = "6"
    & skf21("3","2","6","7","1","2","5","1") = "6"
    & skf21("3","2","6","7","1","2","6","1") = "6"
    & skf21("3","2","6","7","1","2","7","1") = "6"
    & skf21("3","2","6","7","1","3","1","1") = "6"
    & skf21("3","2","6","7","1","3","2","1") = "6"
    & skf21("3","2","6","7","1","3","3","1") = "6"
    & skf21("3","2","6","7","1","3","4","1") = "6"
    & skf21("3","2","6","7","1","3","5","1") = "6"
    & skf21("3","2","6","7","1","3","6","1") = "6"
    & skf21("3","2","6","7","1","3","7","1") = "6"
    & skf21("3","2","6","7","1","4","1","1") = "6"
    & skf21("3","2","6","7","1","4","2","1") = "6"
    & skf21("3","2","6","7","1","4","3","1") = "6"
    & skf21("3","2","6","7","1","4","4","1") = "6"
    & skf21("3","2","6","7","1","4","5","1") = "6"
    & skf21("3","2","6","7","1","4","6","1") = "6"
    & skf21("3","2","6","7","1","4","7","1") = "6"
    & skf21("3","2","6","7","1","5","1","1") = "6"
    & skf21("3","2","6","7","1","5","2","1") = "6"
    & skf21("3","2","6","7","1","5","3","1") = "6"
    & skf21("3","2","6","7","1","5","4","1") = "6"
    & skf21("3","2","6","7","1","5","5","1") = "6"
    & skf21("3","2","6","7","1","5","6","1") = "6"
    & skf21("3","2","6","7","1","5","7","1") = "6"
    & skf21("3","2","6","7","1","6","1","1") = "6"
    & skf21("3","2","6","7","1","6","2","1") = "6"
    & skf21("3","2","6","7","1","6","3","1") = "6"
    & skf21("3","2","6","7","1","6","4","1") = "6"
    & skf21("3","2","6","7","1","6","5","1") = "6"
    & skf21("3","2","6","7","1","6","6","1") = "6"
    & skf21("3","2","6","7","1","6","7","1") = "6"
    & skf21("3","2","6","7","1","7","1","1") = "6"
    & skf21("3","2","6","7","1","7","2","1") = "6"
    & skf21("3","2","6","7","1","7","3","1") = "6"
    & skf21("3","2","6","7","1","7","4","1") = "6"
    & skf21("3","2","6","7","1","7","5","1") = "6"
    & skf21("3","2","6","7","1","7","6","1") = "6"
    & skf21("3","2","6","7","1","7","7","1") = "6"
    & skf21("3","2","6","7","2","1","1","1") = "6"
    & skf21("3","2","6","7","2","1","2","1") = "6"
    & skf21("3","2","6","7","2","1","3","1") = "6"
    & skf21("3","2","6","7","2","1","4","1") = "6"
    & skf21("3","2","6","7","2","1","5","1") = "6"
    & skf21("3","2","6","7","2","1","6","1") = "6"
    & skf21("3","2","6","7","2","1","7","1") = "6"
    & skf21("3","2","6","7","2","2","1","1") = "6"
    & skf21("3","2","6","7","2","2","2","1") = "6"
    & skf21("3","2","6","7","2","2","3","1") = "6"
    & skf21("3","2","6","7","2","2","4","1") = "6"
    & skf21("3","2","6","7","2","2","5","1") = "6"
    & skf21("3","2","6","7","2","2","6","1") = "6"
    & skf21("3","2","6","7","2","2","7","1") = "6"
    & skf21("3","2","6","7","2","3","1","1") = "6"
    & skf21("3","2","6","7","2","3","2","1") = "6"
    & skf21("3","2","6","7","2","3","3","1") = "6"
    & skf21("3","2","6","7","2","3","4","1") = "6"
    & skf21("3","2","6","7","2","3","5","1") = "6"
    & skf21("3","2","6","7","2","3","6","1") = "6"
    & skf21("3","2","6","7","2","3","7","1") = "6"
    & skf21("3","2","6","7","2","4","1","1") = "6"
    & skf21("3","2","6","7","2","4","2","1") = "6"
    & skf21("3","2","6","7","2","4","3","1") = "6"
    & skf21("3","2","6","7","2","4","4","1") = "6"
    & skf21("3","2","6","7","2","4","5","1") = "6"
    & skf21("3","2","6","7","2","4","6","1") = "6"
    & skf21("3","2","6","7","2","4","7","1") = "6"
    & skf21("3","2","6","7","2","5","1","1") = "6"
    & skf21("3","2","6","7","2","5","2","1") = "6"
    & skf21("3","2","6","7","2","5","3","1") = "6"
    & skf21("3","2","6","7","2","5","4","1") = "6"
    & skf21("3","2","6","7","2","5","5","1") = "6"
    & skf21("3","2","6","7","2","5","6","1") = "6"
    & skf21("3","2","6","7","2","5","7","1") = "6"
    & skf21("3","2","6","7","2","6","1","1") = "6"
    & skf21("3","2","6","7","2","6","2","1") = "6"
    & skf21("3","2","6","7","2","6","3","1") = "6"
    & skf21("3","2","6","7","2","6","4","1") = "6"
    & skf21("3","2","6","7","2","6","5","1") = "6"
    & skf21("3","2","6","7","2","6","6","1") = "6"
    & skf21("3","2","6","7","2","6","7","1") = "6"
    & skf21("3","2","6","7","2","7","1","1") = "6"
    & skf21("3","2","6","7","2","7","2","1") = "6"
    & skf21("3","2","6","7","2","7","3","1") = "6"
    & skf21("3","2","6","7","2","7","4","1") = "6"
    & skf21("3","2","6","7","2","7","5","1") = "6"
    & skf21("3","2","6","7","2","7","6","1") = "6"
    & skf21("3","2","6","7","2","7","7","1") = "6"
    & skf21("3","2","6","7","3","1","1","1") = "6"
    & skf21("3","2","6","7","3","1","2","1") = "6"
    & skf21("3","2","6","7","3","1","3","1") = "6"
    & skf21("3","2","6","7","3","1","4","1") = "6"
    & skf21("3","2","6","7","3","1","5","1") = "6"
    & skf21("3","2","6","7","3","1","6","1") = "6"
    & skf21("3","2","6","7","3","1","7","1") = "6"
    & skf21("3","2","6","7","3","2","1","1") = "6"
    & skf21("3","2","6","7","3","2","2","1") = "6"
    & skf21("3","2","6","7","3","2","3","1") = "6"
    & skf21("3","2","6","7","3","2","4","1") = "6"
    & skf21("3","2","6","7","3","2","5","1") = "6"
    & skf21("3","2","6","7","3","2","6","1") = "6"
    & skf21("3","2","6","7","3","2","7","1") = "6"
    & skf21("3","2","6","7","3","3","1","1") = "6"
    & skf21("3","2","6","7","3","3","2","1") = "6"
    & skf21("3","2","6","7","3","3","3","1") = "6"
    & skf21("3","2","6","7","3","3","4","1") = "6"
    & skf21("3","2","6","7","3","3","5","1") = "6"
    & skf21("3","2","6","7","3","3","6","1") = "6"
    & skf21("3","2","6","7","3","3","7","1") = "6"
    & skf21("3","2","6","7","3","4","1","1") = "6"
    & skf21("3","2","6","7","3","4","2","1") = "6"
    & skf21("3","2","6","7","3","4","3","1") = "6"
    & skf21("3","2","6","7","3","4","4","1") = "6"
    & skf21("3","2","6","7","3","4","5","1") = "6"
    & skf21("3","2","6","7","3","4","6","1") = "6"
    & skf21("3","2","6","7","3","4","7","1") = "6"
    & skf21("3","2","6","7","3","5","1","1") = "6"
    & skf21("3","2","6","7","3","5","2","1") = "6"
    & skf21("3","2","6","7","3","5","3","1") = "6"
    & skf21("3","2","6","7","3","5","4","1") = "6"
    & skf21("3","2","6","7","3","5","5","1") = "6"
    & skf21("3","2","6","7","3","5","6","1") = "6"
    & skf21("3","2","6","7","3","5","7","1") = "6"
    & skf21("3","2","6","7","3","6","1","1") = "6"
    & skf21("3","2","6","7","3","6","2","1") = "6"
    & skf21("3","2","6","7","3","6","3","1") = "6"
    & skf21("3","2","6","7","3","6","4","1") = "6"
    & skf21("3","2","6","7","3","6","5","1") = "6"
    & skf21("3","2","6","7","3","6","6","1") = "6"
    & skf21("3","2","6","7","3","6","7","1") = "6"
    & skf21("3","2","6","7","3","7","1","1") = "6"
    & skf21("3","2","6","7","3","7","2","1") = "6"
    & skf21("3","2","6","7","3","7","3","1") = "6"
    & skf21("3","2","6","7","3","7","4","1") = "6"
    & skf21("3","2","6","7","3","7","5","1") = "6"
    & skf21("3","2","6","7","3","7","6","1") = "6"
    & skf21("3","2","6","7","3","7","7","1") = "6"
    & skf21("3","2","6","7","4","1","1","1") = "6"
    & skf21("3","2","6","7","4","1","2","1") = "6"
    & skf21("3","2","6","7","4","1","3","1") = "6"
    & skf21("3","2","6","7","4","1","4","1") = "6"
    & skf21("3","2","6","7","4","1","5","1") = "6"
    & skf21("3","2","6","7","4","1","6","1") = "6"
    & skf21("3","2","6","7","4","1","7","1") = "6"
    & skf21("3","2","6","7","4","2","1","1") = "6"
    & skf21("3","2","6","7","4","2","2","1") = "6"
    & skf21("3","2","6","7","4","2","3","1") = "6"
    & skf21("3","2","6","7","4","2","4","1") = "6"
    & skf21("3","2","6","7","4","2","5","1") = "6"
    & skf21("3","2","6","7","4","2","6","1") = "6"
    & skf21("3","2","6","7","4","2","7","1") = "6"
    & skf21("3","2","6","7","4","3","1","1") = "6"
    & skf21("3","2","6","7","4","3","2","1") = "6"
    & skf21("3","2","6","7","4","3","3","1") = "6"
    & skf21("3","2","6","7","4","3","4","1") = "6"
    & skf21("3","2","6","7","4","3","5","1") = "6"
    & skf21("3","2","6","7","4","3","6","1") = "6"
    & skf21("3","2","6","7","4","3","7","1") = "6"
    & skf21("3","2","6","7","4","4","1","1") = "6"
    & skf21("3","2","6","7","4","4","2","1") = "6"
    & skf21("3","2","6","7","4","4","3","1") = "6"
    & skf21("3","2","6","7","4","4","4","1") = "6"
    & skf21("3","2","6","7","4","4","5","1") = "6"
    & skf21("3","2","6","7","4","4","6","1") = "6"
    & skf21("3","2","6","7","4","4","7","1") = "6"
    & skf21("3","2","6","7","4","5","1","1") = "6"
    & skf21("3","2","6","7","4","5","2","1") = "6"
    & skf21("3","2","6","7","4","5","3","1") = "6"
    & skf21("3","2","6","7","4","5","4","1") = "6"
    & skf21("3","2","6","7","4","5","5","1") = "6"
    & skf21("3","2","6","7","4","5","6","1") = "6"
    & skf21("3","2","6","7","4","5","7","1") = "6"
    & skf21("3","2","6","7","4","6","1","1") = "6"
    & skf21("3","2","6","7","4","6","2","1") = "6"
    & skf21("3","2","6","7","4","6","3","1") = "6"
    & skf21("3","2","6","7","4","6","4","1") = "6"
    & skf21("3","2","6","7","4","6","5","1") = "6"
    & skf21("3","2","6","7","4","6","6","1") = "6"
    & skf21("3","2","6","7","4","6","7","1") = "6"
    & skf21("3","2","6","7","4","7","1","1") = "6"
    & skf21("3","2","6","7","4","7","2","1") = "6"
    & skf21("3","2","6","7","4","7","3","1") = "6"
    & skf21("3","2","6","7","4","7","4","1") = "6"
    & skf21("3","2","6","7","4","7","5","1") = "6"
    & skf21("3","2","6","7","4","7","6","1") = "6"
    & skf21("3","2","6","7","4","7","7","1") = "6"
    & skf21("3","2","6","7","5","1","1","1") = "6"
    & skf21("3","2","6","7","5","1","2","1") = "6"
    & skf21("3","2","6","7","5","1","3","1") = "6"
    & skf21("3","2","6","7","5","1","4","1") = "6"
    & skf21("3","2","6","7","5","1","5","1") = "6"
    & skf21("3","2","6","7","5","1","6","1") = "6"
    & skf21("3","2","6","7","5","1","7","1") = "6"
    & skf21("3","2","6","7","5","2","1","1") = "6"
    & skf21("3","2","6","7","5","2","2","1") = "6"
    & skf21("3","2","6","7","5","2","3","1") = "6"
    & skf21("3","2","6","7","5","2","4","1") = "6"
    & skf21("3","2","6","7","5","2","5","1") = "6"
    & skf21("3","2","6","7","5","2","6","1") = "6"
    & skf21("3","2","6","7","5","2","7","1") = "6"
    & skf21("3","2","6","7","5","3","1","1") = "6"
    & skf21("3","2","6","7","5","3","2","1") = "6"
    & skf21("3","2","6","7","5","3","3","1") = "6"
    & skf21("3","2","6","7","5","3","4","1") = "6"
    & skf21("3","2","6","7","5","3","5","1") = "6"
    & skf21("3","2","6","7","5","3","6","1") = "6"
    & skf21("3","2","6","7","5","3","7","1") = "6"
    & skf21("3","2","6","7","5","4","1","1") = "6"
    & skf21("3","2","6","7","5","4","2","1") = "6"
    & skf21("3","2","6","7","5","4","3","1") = "6"
    & skf21("3","2","6","7","5","4","4","1") = "6"
    & skf21("3","2","6","7","5","4","5","1") = "6"
    & skf21("3","2","6","7","5","4","6","1") = "6"
    & skf21("3","2","6","7","5","4","7","1") = "6"
    & skf21("3","2","6","7","5","5","1","1") = "6"
    & skf21("3","2","6","7","5","5","2","1") = "6"
    & skf21("3","2","6","7","5","5","3","1") = "6"
    & skf21("3","2","6","7","5","5","4","1") = "6"
    & skf21("3","2","6","7","5","5","5","1") = "6"
    & skf21("3","2","6","7","5","5","6","1") = "6"
    & skf21("3","2","6","7","5","5","7","1") = "6"
    & skf21("3","2","6","7","5","6","1","1") = "6"
    & skf21("3","2","6","7","5","6","2","1") = "6"
    & skf21("3","2","6","7","5","6","3","1") = "6"
    & skf21("3","2","6","7","5","6","4","1") = "6"
    & skf21("3","2","6","7","5","6","5","1") = "6"
    & skf21("3","2","6","7","5","6","6","1") = "6"
    & skf21("3","2","6","7","5","6","7","1") = "6"
    & skf21("3","2","6","7","5","7","1","1") = "6"
    & skf21("3","2","6","7","5","7","2","1") = "6"
    & skf21("3","2","6","7","5","7","3","1") = "6"
    & skf21("3","2","6","7","5","7","4","1") = "6"
    & skf21("3","2","6","7","5","7","5","1") = "6"
    & skf21("3","2","6","7","5","7","6","1") = "6"
    & skf21("3","2","6","7","5","7","7","1") = "6"
    & skf21("3","2","6","7","6","1","1","1") = "6"
    & skf21("3","2","6","7","6","1","2","1") = "6"
    & skf21("3","2","6","7","6","1","3","1") = "6"
    & skf21("3","2","6","7","6","1","4","1") = "6"
    & skf21("3","2","6","7","6","1","5","1") = "6"
    & skf21("3","2","6","7","6","1","6","1") = "6"
    & skf21("3","2","6","7","6","1","7","1") = "6"
    & skf21("3","2","6","7","6","2","1","1") = "6"
    & skf21("3","2","6","7","6","2","2","1") = "6"
    & skf21("3","2","6","7","6","2","3","1") = "6"
    & skf21("3","2","6","7","6","2","4","1") = "6"
    & skf21("3","2","6","7","6","2","5","1") = "6"
    & skf21("3","2","6","7","6","2","6","1") = "6"
    & skf21("3","2","6","7","6","2","7","1") = "6"
    & skf21("3","2","6","7","6","3","1","1") = "6"
    & skf21("3","2","6","7","6","3","2","1") = "6"
    & skf21("3","2","6","7","6","3","3","1") = "6"
    & skf21("3","2","6","7","6","3","4","1") = "6"
    & skf21("3","2","6","7","6","3","5","1") = "6"
    & skf21("3","2","6","7","6","3","6","1") = "6"
    & skf21("3","2","6","7","6","3","7","1") = "6"
    & skf21("3","2","6","7","6","4","1","1") = "6"
    & skf21("3","2","6","7","6","4","2","1") = "6"
    & skf21("3","2","6","7","6","4","3","1") = "6"
    & skf21("3","2","6","7","6","4","4","1") = "6"
    & skf21("3","2","6","7","6","4","5","1") = "6"
    & skf21("3","2","6","7","6","4","6","1") = "6"
    & skf21("3","2","6","7","6","4","7","1") = "6"
    & skf21("3","2","6","7","6","5","1","1") = "6"
    & skf21("3","2","6","7","6","5","2","1") = "6"
    & skf21("3","2","6","7","6","5","3","1") = "6"
    & skf21("3","2","6","7","6","5","4","1") = "6"
    & skf21("3","2","6","7","6","5","5","1") = "6"
    & skf21("3","2","6","7","6","5","6","1") = "6"
    & skf21("3","2","6","7","6","5","7","1") = "6"
    & skf21("3","2","6","7","6","6","1","1") = "6"
    & skf21("3","2","6","7","6","6","2","1") = "6"
    & skf21("3","2","6","7","6","6","3","1") = "6"
    & skf21("3","2","6","7","6","6","4","1") = "6"
    & skf21("3","2","6","7","6","6","5","1") = "6"
    & skf21("3","2","6","7","6","6","6","1") = "6"
    & skf21("3","2","6","7","6","6","7","1") = "6"
    & skf21("3","2","6","7","6","7","1","1") = "6"
    & skf21("3","2","6","7","6","7","2","1") = "6"
    & skf21("3","2","6","7","6","7","3","1") = "6"
    & skf21("3","2","6","7","6","7","4","1") = "6"
    & skf21("3","2","6","7","6","7","5","1") = "6"
    & skf21("3","2","6","7","6","7","6","1") = "6"
    & skf21("3","2","6","7","6","7","7","1") = "6"
    & skf21("3","2","6","7","7","1","1","1") = "6"
    & skf21("3","2","6","7","7","1","2","1") = "6"
    & skf21("3","2","6","7","7","1","3","1") = "6"
    & skf21("3","2","6","7","7","1","4","1") = "6"
    & skf21("3","2","6","7","7","1","5","1") = "6"
    & skf21("3","2","6","7","7","1","6","1") = "6"
    & skf21("3","2","6","7","7","1","7","1") = "6"
    & skf21("3","2","6","7","7","2","1","1") = "6"
    & skf21("3","2","6","7","7","2","2","1") = "6"
    & skf21("3","2","6","7","7","2","3","1") = "6"
    & skf21("3","2","6","7","7","2","4","1") = "6"
    & skf21("3","2","6","7","7","2","5","1") = "6"
    & skf21("3","2","6","7","7","2","6","1") = "6"
    & skf21("3","2","6","7","7","2","7","1") = "6"
    & skf21("3","2","6","7","7","3","1","1") = "6"
    & skf21("3","2","6","7","7","3","2","1") = "6"
    & skf21("3","2","6","7","7","3","3","1") = "6"
    & skf21("3","2","6","7","7","3","4","1") = "6"
    & skf21("3","2","6","7","7","3","5","1") = "6"
    & skf21("3","2","6","7","7","3","6","1") = "6"
    & skf21("3","2","6","7","7","3","7","1") = "6"
    & skf21("3","2","6","7","7","4","1","1") = "6"
    & skf21("3","2","6","7","7","4","2","1") = "6"
    & skf21("3","2","6","7","7","4","3","1") = "6"
    & skf21("3","2","6","7","7","4","4","1") = "6"
    & skf21("3","2","6","7","7","4","5","1") = "6"
    & skf21("3","2","6","7","7","4","6","1") = "6"
    & skf21("3","2","6","7","7","4","7","1") = "6"
    & skf21("3","2","6","7","7","5","1","1") = "6"
    & skf21("3","2","6","7","7","5","2","1") = "6"
    & skf21("3","2","6","7","7","5","3","1") = "6"
    & skf21("3","2","6","7","7","5","4","1") = "6"
    & skf21("3","2","6","7","7","5","5","1") = "6"
    & skf21("3","2","6","7","7","5","6","1") = "6"
    & skf21("3","2","6","7","7","5","7","1") = "6"
    & skf21("3","2","6","7","7","6","1","1") = "6"
    & skf21("3","2","6","7","7","6","2","1") = "6"
    & skf21("3","2","6","7","7","6","3","1") = "6"
    & skf21("3","2","6","7","7","6","4","1") = "6"
    & skf21("3","2","6","7","7","6","5","1") = "6"
    & skf21("3","2","6","7","7","6","6","1") = "6"
    & skf21("3","2","6","7","7","6","7","1") = "6"
    & skf21("3","2","6","7","7","7","1","1") = "6"
    & skf21("3","2","6","7","7","7","2","1") = "6"
    & skf21("3","2","6","7","7","7","3","1") = "6"
    & skf21("3","2","6","7","7","7","4","1") = "6"
    & skf21("3","2","6","7","7","7","5","1") = "6"
    & skf21("3","2","6","7","7","7","6","1") = "6"
    & skf21("3","2","6","7","7","7","7","1") = "6"
    & skf21("3","2","7","1","1","1","1","1") = "6"
    & skf21("3","2","7","1","1","1","2","1") = "6"
    & skf21("3","2","7","1","1","1","3","1") = "6"
    & skf21("3","2","7","1","1","1","4","1") = "6"
    & skf21("3","2","7","1","1","1","5","1") = "6"
    & skf21("3","2","7","1","1","1","6","1") = "6"
    & skf21("3","2","7","1","1","1","7","1") = "6"
    & skf21("3","2","7","1","1","2","1","1") = "6"
    & skf21("3","2","7","1","1","2","2","1") = "6"
    & skf21("3","2","7","1","1","2","3","1") = "6"
    & skf21("3","2","7","1","1","2","4","1") = "6"
    & skf21("3","2","7","1","1","2","5","1") = "6"
    & skf21("3","2","7","1","1","2","6","1") = "6"
    & skf21("3","2","7","1","1","2","7","1") = "6"
    & skf21("3","2","7","1","1","3","1","1") = "6"
    & skf21("3","2","7","1","1","3","2","1") = "6"
    & skf21("3","2","7","1","1","3","3","1") = "6"
    & skf21("3","2","7","1","1","3","4","1") = "6"
    & skf21("3","2","7","1","1","3","5","1") = "6"
    & skf21("3","2","7","1","1","3","6","1") = "6"
    & skf21("3","2","7","1","1","3","7","1") = "6"
    & skf21("3","2","7","1","1","4","1","1") = "6"
    & skf21("3","2","7","1","1","4","2","1") = "6"
    & skf21("3","2","7","1","1","4","3","1") = "6"
    & skf21("3","2","7","1","1","4","4","1") = "6"
    & skf21("3","2","7","1","1","4","5","1") = "6"
    & skf21("3","2","7","1","1","4","6","1") = "6"
    & skf21("3","2","7","1","1","4","7","1") = "6"
    & skf21("3","2","7","1","1","5","1","1") = "6"
    & skf21("3","2","7","1","1","5","2","1") = "6"
    & skf21("3","2","7","1","1","5","3","1") = "6"
    & skf21("3","2","7","1","1","5","4","1") = "6"
    & skf21("3","2","7","1","1","5","5","1") = "6"
    & skf21("3","2","7","1","1","5","6","1") = "6"
    & skf21("3","2","7","1","1","5","7","1") = "6"
    & skf21("3","2","7","1","1","6","1","1") = "6"
    & skf21("3","2","7","1","1","6","2","1") = "6"
    & skf21("3","2","7","1","1","6","3","1") = "6"
    & skf21("3","2","7","1","1","6","4","1") = "6"
    & skf21("3","2","7","1","1","6","5","1") = "6"
    & skf21("3","2","7","1","1","6","6","1") = "6"
    & skf21("3","2","7","1","1","6","7","1") = "6"
    & skf21("3","2","7","1","1","7","1","1") = "6"
    & skf21("3","2","7","1","1","7","2","1") = "6"
    & skf21("3","2","7","1","1","7","3","1") = "6"
    & skf21("3","2","7","1","1","7","4","1") = "6"
    & skf21("3","2","7","1","1","7","5","1") = "6"
    & skf21("3","2","7","1","1","7","6","1") = "6"
    & skf21("3","2","7","1","1","7","7","1") = "6"
    & skf21("3","2","7","1","2","1","1","1") = "6"
    & skf21("3","2","7","1","2","1","2","1") = "6"
    & skf21("3","2","7","1","2","1","3","1") = "6"
    & skf21("3","2","7","1","2","1","4","1") = "6"
    & skf21("3","2","7","1","2","1","5","1") = "6"
    & skf21("3","2","7","1","2","1","6","1") = "6"
    & skf21("3","2","7","1","2","1","7","1") = "6"
    & skf21("3","2","7","1","2","2","1","1") = "6"
    & skf21("3","2","7","1","2","2","2","1") = "6"
    & skf21("3","2","7","1","2","2","3","1") = "6"
    & skf21("3","2","7","1","2","2","4","1") = "6"
    & skf21("3","2","7","1","2","2","5","1") = "6"
    & skf21("3","2","7","1","2","2","6","1") = "6"
    & skf21("3","2","7","1","2","2","7","1") = "6"
    & skf21("3","2","7","1","2","3","1","1") = "6"
    & skf21("3","2","7","1","2","3","2","1") = "6"
    & skf21("3","2","7","1","2","3","3","1") = "6"
    & skf21("3","2","7","1","2","3","4","1") = "6"
    & skf21("3","2","7","1","2","3","5","1") = "6"
    & skf21("3","2","7","1","2","3","6","1") = "6"
    & skf21("3","2","7","1","2","3","7","1") = "6"
    & skf21("3","2","7","1","2","4","1","1") = "6"
    & skf21("3","2","7","1","2","4","2","1") = "6"
    & skf21("3","2","7","1","2","4","3","1") = "6"
    & skf21("3","2","7","1","2","4","4","1") = "6"
    & skf21("3","2","7","1","2","4","5","1") = "6"
    & skf21("3","2","7","1","2","4","6","1") = "6"
    & skf21("3","2","7","1","2","4","7","1") = "6"
    & skf21("3","2","7","1","2","5","1","1") = "6"
    & skf21("3","2","7","1","2","5","2","1") = "6"
    & skf21("3","2","7","1","2","5","3","1") = "6"
    & skf21("3","2","7","1","2","5","4","1") = "6"
    & skf21("3","2","7","1","2","5","5","1") = "6"
    & skf21("3","2","7","1","2","5","6","1") = "6"
    & skf21("3","2","7","1","2","5","7","1") = "6"
    & skf21("3","2","7","1","2","6","1","1") = "6"
    & skf21("3","2","7","1","2","6","2","1") = "6"
    & skf21("3","2","7","1","2","6","3","1") = "6"
    & skf21("3","2","7","1","2","6","4","1") = "6"
    & skf21("3","2","7","1","2","6","5","1") = "6"
    & skf21("3","2","7","1","2","6","6","1") = "6"
    & skf21("3","2","7","1","2","6","7","1") = "6"
    & skf21("3","2","7","1","2","7","1","1") = "6"
    & skf21("3","2","7","1","2","7","2","1") = "6"
    & skf21("3","2","7","1","2","7","3","1") = "6"
    & skf21("3","2","7","1","2","7","4","1") = "6"
    & skf21("3","2","7","1","2","7","5","1") = "6"
    & skf21("3","2","7","1","2","7","6","1") = "6"
    & skf21("3","2","7","1","2","7","7","1") = "6"
    & skf21("3","2","7","1","3","1","1","1") = "6"
    & skf21("3","2","7","1","3","1","2","1") = "6"
    & skf21("3","2","7","1","3","1","3","1") = "6"
    & skf21("3","2","7","1","3","1","4","1") = "6"
    & skf21("3","2","7","1","3","1","5","1") = "6"
    & skf21("3","2","7","1","3","1","6","1") = "6"
    & skf21("3","2","7","1","3","1","7","1") = "6"
    & skf21("3","2","7","1","3","2","1","1") = "6"
    & skf21("3","2","7","1","3","2","2","1") = "6"
    & skf21("3","2","7","1","3","2","3","1") = "6"
    & skf21("3","2","7","1","3","2","4","1") = "6"
    & skf21("3","2","7","1","3","2","5","1") = "6"
    & skf21("3","2","7","1","3","2","6","1") = "6"
    & skf21("3","2","7","1","3","2","7","1") = "6"
    & skf21("3","2","7","1","3","3","1","1") = "6"
    & skf21("3","2","7","1","3","3","2","1") = "6"
    & skf21("3","2","7","1","3","3","3","1") = "6"
    & skf21("3","2","7","1","3","3","4","1") = "6"
    & skf21("3","2","7","1","3","3","5","1") = "6"
    & skf21("3","2","7","1","3","3","6","1") = "6"
    & skf21("3","2","7","1","3","3","7","1") = "6"
    & skf21("3","2","7","1","3","4","1","1") = "6"
    & skf21("3","2","7","1","3","4","2","1") = "6"
    & skf21("3","2","7","1","3","4","3","1") = "6"
    & skf21("3","2","7","1","3","4","4","1") = "6"
    & skf21("3","2","7","1","3","4","5","1") = "6"
    & skf21("3","2","7","1","3","4","6","1") = "6"
    & skf21("3","2","7","1","3","4","7","1") = "6"
    & skf21("3","2","7","1","3","5","1","1") = "6"
    & skf21("3","2","7","1","3","5","2","1") = "6"
    & skf21("3","2","7","1","3","5","3","1") = "6"
    & skf21("3","2","7","1","3","5","4","1") = "6"
    & skf21("3","2","7","1","3","5","5","1") = "6"
    & skf21("3","2","7","1","3","5","6","1") = "6"
    & skf21("3","2","7","1","3","5","7","1") = "6"
    & skf21("3","2","7","1","3","6","1","1") = "6"
    & skf21("3","2","7","1","3","6","2","1") = "6"
    & skf21("3","2","7","1","3","6","3","1") = "6"
    & skf21("3","2","7","1","3","6","4","1") = "6"
    & skf21("3","2","7","1","3","6","5","1") = "6"
    & skf21("3","2","7","1","3","6","6","1") = "6"
    & skf21("3","2","7","1","3","6","7","1") = "6"
    & skf21("3","2","7","1","3","7","1","1") = "6"
    & skf21("3","2","7","1","3","7","2","1") = "6"
    & skf21("3","2","7","1","3","7","3","1") = "6"
    & skf21("3","2","7","1","3","7","4","1") = "6"
    & skf21("3","2","7","1","3","7","5","1") = "6"
    & skf21("3","2","7","1","3","7","6","1") = "6"
    & skf21("3","2","7","1","3","7","7","1") = "6"
    & skf21("3","2","7","1","4","1","1","1") = "6"
    & skf21("3","2","7","1","4","1","2","1") = "6"
    & skf21("3","2","7","1","4","1","3","1") = "6"
    & skf21("3","2","7","1","4","1","4","1") = "6"
    & skf21("3","2","7","1","4","1","5","1") = "6"
    & skf21("3","2","7","1","4","1","6","1") = "6"
    & skf21("3","2","7","1","4","1","7","1") = "6"
    & skf21("3","2","7","1","4","2","1","1") = "6"
    & skf21("3","2","7","1","4","2","2","1") = "6"
    & skf21("3","2","7","1","4","2","3","1") = "6"
    & skf21("3","2","7","1","4","2","4","1") = "6"
    & skf21("3","2","7","1","4","2","5","1") = "6"
    & skf21("3","2","7","1","4","2","6","1") = "6"
    & skf21("3","2","7","1","4","2","7","1") = "6"
    & skf21("3","2","7","1","4","3","1","1") = "6"
    & skf21("3","2","7","1","4","3","2","1") = "6"
    & skf21("3","2","7","1","4","3","3","1") = "6"
    & skf21("3","2","7","1","4","3","4","1") = "6"
    & skf21("3","2","7","1","4","3","5","1") = "6"
    & skf21("3","2","7","1","4","3","6","1") = "6"
    & skf21("3","2","7","1","4","3","7","1") = "6"
    & skf21("3","2","7","1","4","4","1","1") = "6"
    & skf21("3","2","7","1","4","4","2","1") = "6"
    & skf21("3","2","7","1","4","4","3","1") = "6"
    & skf21("3","2","7","1","4","4","4","1") = "6"
    & skf21("3","2","7","1","4","4","5","1") = "6"
    & skf21("3","2","7","1","4","4","6","1") = "6"
    & skf21("3","2","7","1","4","4","7","1") = "6"
    & skf21("3","2","7","1","4","5","1","1") = "6"
    & skf21("3","2","7","1","4","5","2","1") = "6"
    & skf21("3","2","7","1","4","5","3","1") = "6"
    & skf21("3","2","7","1","4","5","4","1") = "6"
    & skf21("3","2","7","1","4","5","5","1") = "6"
    & skf21("3","2","7","1","4","5","6","1") = "6"
    & skf21("3","2","7","1","4","5","7","1") = "6"
    & skf21("3","2","7","1","4","6","1","1") = "6"
    & skf21("3","2","7","1","4","6","2","1") = "6"
    & skf21("3","2","7","1","4","6","3","1") = "6"
    & skf21("3","2","7","1","4","6","4","1") = "6"
    & skf21("3","2","7","1","4","6","5","1") = "6"
    & skf21("3","2","7","1","4","6","6","1") = "6"
    & skf21("3","2","7","1","4","6","7","1") = "6"
    & skf21("3","2","7","1","4","7","1","1") = "6"
    & skf21("3","2","7","1","4","7","2","1") = "6"
    & skf21("3","2","7","1","4","7","3","1") = "6"
    & skf21("3","2","7","1","4","7","4","1") = "6"
    & skf21("3","2","7","1","4","7","5","1") = "6"
    & skf21("3","2","7","1","4","7","6","1") = "6"
    & skf21("3","2","7","1","4","7","7","1") = "6"
    & skf21("3","2","7","1","5","1","1","1") = "6"
    & skf21("3","2","7","1","5","1","2","1") = "6"
    & skf21("3","2","7","1","5","1","3","1") = "6"
    & skf21("3","2","7","1","5","1","4","1") = "6"
    & skf21("3","2","7","1","5","1","5","1") = "6"
    & skf21("3","2","7","1","5","1","6","1") = "6"
    & skf21("3","2","7","1","5","1","7","1") = "6"
    & skf21("3","2","7","1","5","2","1","1") = "6"
    & skf21("3","2","7","1","5","2","2","1") = "6"
    & skf21("3","2","7","1","5","2","3","1") = "6"
    & skf21("3","2","7","1","5","2","4","1") = "6"
    & skf21("3","2","7","1","5","2","5","1") = "6"
    & skf21("3","2","7","1","5","2","6","1") = "6"
    & skf21("3","2","7","1","5","2","7","1") = "6"
    & skf21("3","2","7","1","5","3","1","1") = "6"
    & skf21("3","2","7","1","5","3","2","1") = "6"
    & skf21("3","2","7","1","5","3","3","1") = "6"
    & skf21("3","2","7","1","5","3","4","1") = "6"
    & skf21("3","2","7","1","5","3","5","1") = "6"
    & skf21("3","2","7","1","5","3","6","1") = "6"
    & skf21("3","2","7","1","5","3","7","1") = "6"
    & skf21("3","2","7","1","5","4","1","1") = "6"
    & skf21("3","2","7","1","5","4","2","1") = "6"
    & skf21("3","2","7","1","5","4","3","1") = "6"
    & skf21("3","2","7","1","5","4","4","1") = "6"
    & skf21("3","2","7","1","5","4","5","1") = "6"
    & skf21("3","2","7","1","5","4","6","1") = "6"
    & skf21("3","2","7","1","5","4","7","1") = "6"
    & skf21("3","2","7","1","5","5","1","1") = "6"
    & skf21("3","2","7","1","5","5","2","1") = "6"
    & skf21("3","2","7","1","5","5","3","1") = "6"
    & skf21("3","2","7","1","5","5","4","1") = "6"
    & skf21("3","2","7","1","5","5","5","1") = "6"
    & skf21("3","2","7","1","5","5","6","1") = "6"
    & skf21("3","2","7","1","5","5","7","1") = "6"
    & skf21("3","2","7","1","5","6","1","1") = "6"
    & skf21("3","2","7","1","5","6","2","1") = "6"
    & skf21("3","2","7","1","5","6","3","1") = "6"
    & skf21("3","2","7","1","5","6","4","1") = "6"
    & skf21("3","2","7","1","5","6","5","1") = "6"
    & skf21("3","2","7","1","5","6","6","1") = "6"
    & skf21("3","2","7","1","5","6","7","1") = "6"
    & skf21("3","2","7","1","5","7","1","1") = "6"
    & skf21("3","2","7","1","5","7","2","1") = "6"
    & skf21("3","2","7","1","5","7","3","1") = "6"
    & skf21("3","2","7","1","5","7","4","1") = "6"
    & skf21("3","2","7","1","5","7","5","1") = "6"
    & skf21("3","2","7","1","5","7","6","1") = "6"
    & skf21("3","2","7","1","5","7","7","1") = "6"
    & skf21("3","2","7","1","6","1","1","1") = "6"
    & skf21("3","2","7","1","6","1","2","1") = "6"
    & skf21("3","2","7","1","6","1","3","1") = "6"
    & skf21("3","2","7","1","6","1","4","1") = "6"
    & skf21("3","2","7","1","6","1","5","1") = "6"
    & skf21("3","2","7","1","6","1","6","1") = "6"
    & skf21("3","2","7","1","6","1","7","1") = "6"
    & skf21("3","2","7","1","6","2","1","1") = "6"
    & skf21("3","2","7","1","6","2","2","1") = "6"
    & skf21("3","2","7","1","6","2","3","1") = "6"
    & skf21("3","2","7","1","6","2","4","1") = "6"
    & skf21("3","2","7","1","6","2","5","1") = "6"
    & skf21("3","2","7","1","6","2","6","1") = "6"
    & skf21("3","2","7","1","6","2","7","1") = "6"
    & skf21("3","2","7","1","6","3","1","1") = "6"
    & skf21("3","2","7","1","6","3","2","1") = "6"
    & skf21("3","2","7","1","6","3","3","1") = "6"
    & skf21("3","2","7","1","6","3","4","1") = "6"
    & skf21("3","2","7","1","6","3","5","1") = "6"
    & skf21("3","2","7","1","6","3","6","1") = "6"
    & skf21("3","2","7","1","6","3","7","1") = "6"
    & skf21("3","2","7","1","6","4","1","1") = "6"
    & skf21("3","2","7","1","6","4","2","1") = "6"
    & skf21("3","2","7","1","6","4","3","1") = "6"
    & skf21("3","2","7","1","6","4","4","1") = "6"
    & skf21("3","2","7","1","6","4","5","1") = "6"
    & skf21("3","2","7","1","6","4","6","1") = "6"
    & skf21("3","2","7","1","6","4","7","1") = "6"
    & skf21("3","2","7","1","6","5","1","1") = "6"
    & skf21("3","2","7","1","6","5","2","1") = "6"
    & skf21("3","2","7","1","6","5","3","1") = "6"
    & skf21("3","2","7","1","6","5","4","1") = "6"
    & skf21("3","2","7","1","6","5","5","1") = "6"
    & skf21("3","2","7","1","6","5","6","1") = "6"
    & skf21("3","2","7","1","6","5","7","1") = "6"
    & skf21("3","2","7","1","6","6","1","1") = "6"
    & skf21("3","2","7","1","6","6","2","1") = "6"
    & skf21("3","2","7","1","6","6","3","1") = "6"
    & skf21("3","2","7","1","6","6","4","1") = "6"
    & skf21("3","2","7","1","6","6","5","1") = "6"
    & skf21("3","2","7","1","6","6","6","1") = "6"
    & skf21("3","2","7","1","6","6","7","1") = "6"
    & skf21("3","2","7","1","6","7","1","1") = "6"
    & skf21("3","2","7","1","6","7","2","1") = "6"
    & skf21("3","2","7","1","6","7","3","1") = "6"
    & skf21("3","2","7","1","6","7","4","1") = "6"
    & skf21("3","2","7","1","6","7","5","1") = "6"
    & skf21("3","2","7","1","6","7","6","1") = "6"
    & skf21("3","2","7","1","6","7","7","1") = "6"
    & skf21("3","2","7","1","7","1","1","1") = "6"
    & skf21("3","2","7","1","7","1","2","1") = "6"
    & skf21("3","2","7","1","7","1","3","1") = "6"
    & skf21("3","2","7","1","7","1","4","1") = "6"
    & skf21("3","2","7","1","7","1","5","1") = "6"
    & skf21("3","2","7","1","7","1","6","1") = "6"
    & skf21("3","2","7","1","7","1","7","1") = "6"
    & skf21("3","2","7","1","7","2","1","1") = "6"
    & skf21("3","2","7","1","7","2","2","1") = "6"
    & skf21("3","2","7","1","7","2","3","1") = "6"
    & skf21("3","2","7","1","7","2","4","1") = "6"
    & skf21("3","2","7","1","7","2","5","1") = "6"
    & skf21("3","2","7","1","7","2","6","1") = "6"
    & skf21("3","2","7","1","7","2","7","1") = "6"
    & skf21("3","2","7","1","7","3","1","1") = "6"
    & skf21("3","2","7","1","7","3","2","1") = "6"
    & skf21("3","2","7","1","7","3","3","1") = "6"
    & skf21("3","2","7","1","7","3","4","1") = "6"
    & skf21("3","2","7","1","7","3","5","1") = "6"
    & skf21("3","2","7","1","7","3","6","1") = "6"
    & skf21("3","2","7","1","7","3","7","1") = "6"
    & skf21("3","2","7","1","7","4","1","1") = "6"
    & skf21("3","2","7","1","7","4","2","1") = "6"
    & skf21("3","2","7","1","7","4","3","1") = "6"
    & skf21("3","2","7","1","7","4","4","1") = "6"
    & skf21("3","2","7","1","7","4","5","1") = "6"
    & skf21("3","2","7","1","7","4","6","1") = "6"
    & skf21("3","2","7","1","7","4","7","1") = "6"
    & skf21("3","2","7","1","7","5","1","1") = "6"
    & skf21("3","2","7","1","7","5","2","1") = "6"
    & skf21("3","2","7","1","7","5","3","1") = "6"
    & skf21("3","2","7","1","7","5","4","1") = "6"
    & skf21("3","2","7","1","7","5","5","1") = "6"
    & skf21("3","2","7","1","7","5","6","1") = "6"
    & skf21("3","2","7","1","7","5","7","1") = "6"
    & skf21("3","2","7","1","7","6","1","1") = "6"
    & skf21("3","2","7","1","7","6","2","1") = "6"
    & skf21("3","2","7","1","7","6","3","1") = "6"
    & skf21("3","2","7","1","7","6","4","1") = "6"
    & skf21("3","2","7","1","7","6","5","1") = "6"
    & skf21("3","2","7","1","7","6","6","1") = "6"
    & skf21("3","2","7","1","7","6","7","1") = "6"
    & skf21("3","2","7","1","7","7","1","1") = "6"
    & skf21("3","2","7","1","7","7","2","1") = "6"
    & skf21("3","2","7","1","7","7","3","1") = "6"
    & skf21("3","2","7","1","7","7","4","1") = "6"
    & skf21("3","2","7","1","7","7","5","1") = "6"
    & skf21("3","2","7","1","7","7","6","1") = "6"
    & skf21("3","2","7","1","7","7","7","1") = "6"
    & skf21("3","2","7","2","1","1","1","1") = "6"
    & skf21("3","2","7","2","1","1","2","1") = "6"
    & skf21("3","2","7","2","1","1","3","1") = "6"
    & skf21("3","2","7","2","1","1","4","1") = "6"
    & skf21("3","2","7","2","1","1","5","1") = "6"
    & skf21("3","2","7","2","1","1","6","1") = "6"
    & skf21("3","2","7","2","1","1","7","1") = "6"
    & skf21("3","2","7","2","1","2","1","1") = "6"
    & skf21("3","2","7","2","1","2","2","1") = "6"
    & skf21("3","2","7","2","1","2","3","1") = "6"
    & skf21("3","2","7","2","1","2","4","1") = "6"
    & skf21("3","2","7","2","1","2","5","1") = "6"
    & skf21("3","2","7","2","1","2","6","1") = "6"
    & skf21("3","2","7","2","1","2","7","1") = "6"
    & skf21("3","2","7","2","1","3","1","1") = "6"
    & skf21("3","2","7","2","1","3","2","1") = "6"
    & skf21("3","2","7","2","1","3","3","1") = "6"
    & skf21("3","2","7","2","1","3","4","1") = "6"
    & skf21("3","2","7","2","1","3","5","1") = "6"
    & skf21("3","2","7","2","1","3","6","1") = "6"
    & skf21("3","2","7","2","1","3","7","1") = "6"
    & skf21("3","2","7","2","1","4","1","1") = "6"
    & skf21("3","2","7","2","1","4","2","1") = "6"
    & skf21("3","2","7","2","1","4","3","1") = "6"
    & skf21("3","2","7","2","1","4","4","1") = "6"
    & skf21("3","2","7","2","1","4","5","1") = "6"
    & skf21("3","2","7","2","1","4","6","1") = "6"
    & skf21("3","2","7","2","1","4","7","1") = "6"
    & skf21("3","2","7","2","1","5","1","1") = "6"
    & skf21("3","2","7","2","1","5","2","1") = "6"
    & skf21("3","2","7","2","1","5","3","1") = "6"
    & skf21("3","2","7","2","1","5","4","1") = "6"
    & skf21("3","2","7","2","1","5","5","1") = "6"
    & skf21("3","2","7","2","1","5","6","1") = "6"
    & skf21("3","2","7","2","1","5","7","1") = "6"
    & skf21("3","2","7","2","1","6","1","1") = "6"
    & skf21("3","2","7","2","1","6","2","1") = "6"
    & skf21("3","2","7","2","1","6","3","1") = "6"
    & skf21("3","2","7","2","1","6","4","1") = "6"
    & skf21("3","2","7","2","1","6","5","1") = "6"
    & skf21("3","2","7","2","1","6","6","1") = "6"
    & skf21("3","2","7","2","1","6","7","1") = "6"
    & skf21("3","2","7","2","1","7","1","1") = "6"
    & skf21("3","2","7","2","1","7","2","1") = "6"
    & skf21("3","2","7","2","1","7","3","1") = "6"
    & skf21("3","2","7","2","1","7","4","1") = "6"
    & skf21("3","2","7","2","1","7","5","1") = "6"
    & skf21("3","2","7","2","1","7","6","1") = "6"
    & skf21("3","2","7","2","1","7","7","1") = "6"
    & skf21("3","2","7","2","2","1","1","1") = "6"
    & skf21("3","2","7","2","2","1","2","1") = "6"
    & skf21("3","2","7","2","2","1","3","1") = "6"
    & skf21("3","2","7","2","2","1","4","1") = "6"
    & skf21("3","2","7","2","2","1","5","1") = "6"
    & skf21("3","2","7","2","2","1","6","1") = "6"
    & skf21("3","2","7","2","2","1","7","1") = "6"
    & skf21("3","2","7","2","2","2","1","1") = "6"
    & skf21("3","2","7","2","2","2","2","1") = "6"
    & skf21("3","2","7","2","2","2","3","1") = "6"
    & skf21("3","2","7","2","2","2","4","1") = "6"
    & skf21("3","2","7","2","2","2","5","1") = "6"
    & skf21("3","2","7","2","2","2","6","1") = "6"
    & skf21("3","2","7","2","2","2","7","1") = "6"
    & skf21("3","2","7","2","2","3","1","1") = "6"
    & skf21("3","2","7","2","2","3","2","1") = "6"
    & skf21("3","2","7","2","2","3","3","1") = "6"
    & skf21("3","2","7","2","2","3","4","1") = "6"
    & skf21("3","2","7","2","2","3","5","1") = "6"
    & skf21("3","2","7","2","2","3","6","1") = "6"
    & skf21("3","2","7","2","2","3","7","1") = "6"
    & skf21("3","2","7","2","2","4","1","1") = "6"
    & skf21("3","2","7","2","2","4","2","1") = "6"
    & skf21("3","2","7","2","2","4","3","1") = "6"
    & skf21("3","2","7","2","2","4","4","1") = "6"
    & skf21("3","2","7","2","2","4","5","1") = "6"
    & skf21("3","2","7","2","2","4","6","1") = "6"
    & skf21("3","2","7","2","2","4","7","1") = "6"
    & skf21("3","2","7","2","2","5","1","1") = "6"
    & skf21("3","2","7","2","2","5","2","1") = "6"
    & skf21("3","2","7","2","2","5","3","1") = "6"
    & skf21("3","2","7","2","2","5","4","1") = "6"
    & skf21("3","2","7","2","2","5","5","1") = "6"
    & skf21("3","2","7","2","2","5","6","1") = "6"
    & skf21("3","2","7","2","2","5","7","1") = "6"
    & skf21("3","2","7","2","2","6","1","1") = "6"
    & skf21("3","2","7","2","2","6","2","1") = "6"
    & skf21("3","2","7","2","2","6","3","1") = "6"
    & skf21("3","2","7","2","2","6","4","1") = "6"
    & skf21("3","2","7","2","2","6","5","1") = "6"
    & skf21("3","2","7","2","2","6","6","1") = "6"
    & skf21("3","2","7","2","2","6","7","1") = "6"
    & skf21("3","2","7","2","2","7","1","1") = "6"
    & skf21("3","2","7","2","2","7","2","1") = "6"
    & skf21("3","2","7","2","2","7","3","1") = "6"
    & skf21("3","2","7","2","2","7","4","1") = "6"
    & skf21("3","2","7","2","2","7","5","1") = "6"
    & skf21("3","2","7","2","2","7","6","1") = "6"
    & skf21("3","2","7","2","2","7","7","1") = "6"
    & skf21("3","2","7","2","3","1","1","1") = "6"
    & skf21("3","2","7","2","3","1","2","1") = "6"
    & skf21("3","2","7","2","3","1","3","1") = "6"
    & skf21("3","2","7","2","3","1","4","1") = "6"
    & skf21("3","2","7","2","3","1","5","1") = "6"
    & skf21("3","2","7","2","3","1","6","1") = "6"
    & skf21("3","2","7","2","3","1","7","1") = "6"
    & skf21("3","2","7","2","3","2","1","1") = "6"
    & skf21("3","2","7","2","3","2","2","1") = "6"
    & skf21("3","2","7","2","3","2","3","1") = "6"
    & skf21("3","2","7","2","3","2","4","1") = "6"
    & skf21("3","2","7","2","3","2","5","1") = "6"
    & skf21("3","2","7","2","3","2","6","1") = "6"
    & skf21("3","2","7","2","3","2","7","1") = "6"
    & skf21("3","2","7","2","3","3","1","1") = "6"
    & skf21("3","2","7","2","3","3","2","1") = "6"
    & skf21("3","2","7","2","3","3","3","1") = "6"
    & skf21("3","2","7","2","3","3","4","1") = "6"
    & skf21("3","2","7","2","3","3","5","1") = "6"
    & skf21("3","2","7","2","3","3","6","1") = "6"
    & skf21("3","2","7","2","3","3","7","1") = "6"
    & skf21("3","2","7","2","3","4","1","1") = "6"
    & skf21("3","2","7","2","3","4","2","1") = "6"
    & skf21("3","2","7","2","3","4","3","1") = "6"
    & skf21("3","2","7","2","3","4","4","1") = "6"
    & skf21("3","2","7","2","3","4","5","1") = "6"
    & skf21("3","2","7","2","3","4","6","1") = "6"
    & skf21("3","2","7","2","3","4","7","1") = "6"
    & skf21("3","2","7","2","3","5","1","1") = "6"
    & skf21("3","2","7","2","3","5","2","1") = "6"
    & skf21("3","2","7","2","3","5","3","1") = "6"
    & skf21("3","2","7","2","3","5","4","1") = "6"
    & skf21("3","2","7","2","3","5","5","1") = "6"
    & skf21("3","2","7","2","3","5","6","1") = "6"
    & skf21("3","2","7","2","3","5","7","1") = "6"
    & skf21("3","2","7","2","3","6","1","1") = "6"
    & skf21("3","2","7","2","3","6","2","1") = "6"
    & skf21("3","2","7","2","3","6","3","1") = "6"
    & skf21("3","2","7","2","3","6","4","1") = "6"
    & skf21("3","2","7","2","3","6","5","1") = "6"
    & skf21("3","2","7","2","3","6","6","1") = "6"
    & skf21("3","2","7","2","3","6","7","1") = "6"
    & skf21("3","2","7","2","3","7","1","1") = "6"
    & skf21("3","2","7","2","3","7","2","1") = "6"
    & skf21("3","2","7","2","3","7","3","1") = "6"
    & skf21("3","2","7","2","3","7","4","1") = "6"
    & skf21("3","2","7","2","3","7","5","1") = "6"
    & skf21("3","2","7","2","3","7","6","1") = "6"
    & skf21("3","2","7","2","3","7","7","1") = "6"
    & skf21("3","2","7","2","4","1","1","1") = "6"
    & skf21("3","2","7","2","4","1","2","1") = "6"
    & skf21("3","2","7","2","4","1","3","1") = "6"
    & skf21("3","2","7","2","4","1","4","1") = "6"
    & skf21("3","2","7","2","4","1","5","1") = "6"
    & skf21("3","2","7","2","4","1","6","1") = "6"
    & skf21("3","2","7","2","4","1","7","1") = "6"
    & skf21("3","2","7","2","4","2","1","1") = "6"
    & skf21("3","2","7","2","4","2","2","1") = "6"
    & skf21("3","2","7","2","4","2","3","1") = "6"
    & skf21("3","2","7","2","4","2","4","1") = "6"
    & skf21("3","2","7","2","4","2","5","1") = "6"
    & skf21("3","2","7","2","4","2","6","1") = "6"
    & skf21("3","2","7","2","4","2","7","1") = "6"
    & skf21("3","2","7","2","4","3","1","1") = "6"
    & skf21("3","2","7","2","4","3","2","1") = "6"
    & skf21("3","2","7","2","4","3","3","1") = "6"
    & skf21("3","2","7","2","4","3","4","1") = "6"
    & skf21("3","2","7","2","4","3","5","1") = "6"
    & skf21("3","2","7","2","4","3","6","1") = "6"
    & skf21("3","2","7","2","4","3","7","1") = "6"
    & skf21("3","2","7","2","4","4","1","1") = "6"
    & skf21("3","2","7","2","4","4","2","1") = "6"
    & skf21("3","2","7","2","4","4","3","1") = "6"
    & skf21("3","2","7","2","4","4","4","1") = "6"
    & skf21("3","2","7","2","4","4","5","1") = "6"
    & skf21("3","2","7","2","4","4","6","1") = "6"
    & skf21("3","2","7","2","4","4","7","1") = "6"
    & skf21("3","2","7","2","4","5","1","1") = "6"
    & skf21("3","2","7","2","4","5","2","1") = "6"
    & skf21("3","2","7","2","4","5","3","1") = "6"
    & skf21("3","2","7","2","4","5","4","1") = "6"
    & skf21("3","2","7","2","4","5","5","1") = "6"
    & skf21("3","2","7","2","4","5","6","1") = "6"
    & skf21("3","2","7","2","4","5","7","1") = "6"
    & skf21("3","2","7","2","4","6","1","1") = "6"
    & skf21("3","2","7","2","4","6","2","1") = "6"
    & skf21("3","2","7","2","4","6","3","1") = "6"
    & skf21("3","2","7","2","4","6","4","1") = "6"
    & skf21("3","2","7","2","4","6","5","1") = "6"
    & skf21("3","2","7","2","4","6","6","1") = "6"
    & skf21("3","2","7","2","4","6","7","1") = "6"
    & skf21("3","2","7","2","4","7","1","1") = "6"
    & skf21("3","2","7","2","4","7","2","1") = "6"
    & skf21("3","2","7","2","4","7","3","1") = "6"
    & skf21("3","2","7","2","4","7","4","1") = "6"
    & skf21("3","2","7","2","4","7","5","1") = "6"
    & skf21("3","2","7","2","4","7","6","1") = "6"
    & skf21("3","2","7","2","4","7","7","1") = "6"
    & skf21("3","2","7","2","5","1","1","1") = "6"
    & skf21("3","2","7","2","5","1","2","1") = "6"
    & skf21("3","2","7","2","5","1","3","1") = "6"
    & skf21("3","2","7","2","5","1","4","1") = "6"
    & skf21("3","2","7","2","5","1","5","1") = "6"
    & skf21("3","2","7","2","5","1","6","1") = "6"
    & skf21("3","2","7","2","5","1","7","1") = "6"
    & skf21("3","2","7","2","5","2","1","1") = "6"
    & skf21("3","2","7","2","5","2","2","1") = "6"
    & skf21("3","2","7","2","5","2","3","1") = "6"
    & skf21("3","2","7","2","5","2","4","1") = "6"
    & skf21("3","2","7","2","5","2","5","1") = "6"
    & skf21("3","2","7","2","5","2","6","1") = "6"
    & skf21("3","2","7","2","5","2","7","1") = "6"
    & skf21("3","2","7","2","5","3","1","1") = "6"
    & skf21("3","2","7","2","5","3","2","1") = "6"
    & skf21("3","2","7","2","5","3","3","1") = "6"
    & skf21("3","2","7","2","5","3","4","1") = "6"
    & skf21("3","2","7","2","5","3","5","1") = "6"
    & skf21("3","2","7","2","5","3","6","1") = "6"
    & skf21("3","2","7","2","5","3","7","1") = "6"
    & skf21("3","2","7","2","5","4","1","1") = "6"
    & skf21("3","2","7","2","5","4","2","1") = "6"
    & skf21("3","2","7","2","5","4","3","1") = "6"
    & skf21("3","2","7","2","5","4","4","1") = "6"
    & skf21("3","2","7","2","5","4","5","1") = "6"
    & skf21("3","2","7","2","5","4","6","1") = "6"
    & skf21("3","2","7","2","5","4","7","1") = "6"
    & skf21("3","2","7","2","5","5","1","1") = "6"
    & skf21("3","2","7","2","5","5","2","1") = "6"
    & skf21("3","2","7","2","5","5","3","1") = "6"
    & skf21("3","2","7","2","5","5","4","1") = "6"
    & skf21("3","2","7","2","5","5","5","1") = "6"
    & skf21("3","2","7","2","5","5","6","1") = "6"
    & skf21("3","2","7","2","5","5","7","1") = "6"
    & skf21("3","2","7","2","5","6","1","1") = "6"
    & skf21("3","2","7","2","5","6","2","1") = "6"
    & skf21("3","2","7","2","5","6","3","1") = "6"
    & skf21("3","2","7","2","5","6","4","1") = "6"
    & skf21("3","2","7","2","5","6","5","1") = "6"
    & skf21("3","2","7","2","5","6","6","1") = "6"
    & skf21("3","2","7","2","5","6","7","1") = "6"
    & skf21("3","2","7","2","5","7","1","1") = "6"
    & skf21("3","2","7","2","5","7","2","1") = "6"
    & skf21("3","2","7","2","5","7","3","1") = "6"
    & skf21("3","2","7","2","5","7","4","1") = "6"
    & skf21("3","2","7","2","5","7","5","1") = "6"
    & skf21("3","2","7","2","5","7","6","1") = "6"
    & skf21("3","2","7","2","5","7","7","1") = "6"
    & skf21("3","2","7","2","6","1","1","1") = "6"
    & skf21("3","2","7","2","6","1","2","1") = "6"
    & skf21("3","2","7","2","6","1","3","1") = "6"
    & skf21("3","2","7","2","6","1","4","1") = "6"
    & skf21("3","2","7","2","6","1","5","1") = "6"
    & skf21("3","2","7","2","6","1","6","1") = "6"
    & skf21("3","2","7","2","6","1","7","1") = "6"
    & skf21("3","2","7","2","6","2","1","1") = "6"
    & skf21("3","2","7","2","6","2","2","1") = "6"
    & skf21("3","2","7","2","6","2","3","1") = "6"
    & skf21("3","2","7","2","6","2","4","1") = "6"
    & skf21("3","2","7","2","6","2","5","1") = "6"
    & skf21("3","2","7","2","6","2","6","1") = "6"
    & skf21("3","2","7","2","6","2","7","1") = "6"
    & skf21("3","2","7","2","6","3","1","1") = "6"
    & skf21("3","2","7","2","6","3","2","1") = "6"
    & skf21("3","2","7","2","6","3","3","1") = "6"
    & skf21("3","2","7","2","6","3","4","1") = "6"
    & skf21("3","2","7","2","6","3","5","1") = "6"
    & skf21("3","2","7","2","6","3","6","1") = "6"
    & skf21("3","2","7","2","6","3","7","1") = "6"
    & skf21("3","2","7","2","6","4","1","1") = "6"
    & skf21("3","2","7","2","6","4","2","1") = "6"
    & skf21("3","2","7","2","6","4","3","1") = "6"
    & skf21("3","2","7","2","6","4","4","1") = "6"
    & skf21("3","2","7","2","6","4","5","1") = "6"
    & skf21("3","2","7","2","6","4","6","1") = "6"
    & skf21("3","2","7","2","6","4","7","1") = "6"
    & skf21("3","2","7","2","6","5","1","1") = "6"
    & skf21("3","2","7","2","6","5","2","1") = "6"
    & skf21("3","2","7","2","6","5","3","1") = "6"
    & skf21("3","2","7","2","6","5","4","1") = "6"
    & skf21("3","2","7","2","6","5","5","1") = "6"
    & skf21("3","2","7","2","6","5","6","1") = "6"
    & skf21("3","2","7","2","6","5","7","1") = "6"
    & skf21("3","2","7","2","6","6","1","1") = "6"
    & skf21("3","2","7","2","6","6","2","1") = "6"
    & skf21("3","2","7","2","6","6","3","1") = "6"
    & skf21("3","2","7","2","6","6","4","1") = "6"
    & skf21("3","2","7","2","6","6","5","1") = "6"
    & skf21("3","2","7","2","6","6","6","1") = "6"
    & skf21("3","2","7","2","6","6","7","1") = "6"
    & skf21("3","2","7","2","6","7","1","1") = "6"
    & skf21("3","2","7","2","6","7","2","1") = "6"
    & skf21("3","2","7","2","6","7","3","1") = "6"
    & skf21("3","2","7","2","6","7","4","1") = "6"
    & skf21("3","2","7","2","6","7","5","1") = "6"
    & skf21("3","2","7","2","6","7","6","1") = "6"
    & skf21("3","2","7","2","6","7","7","1") = "6"
    & skf21("3","2","7","2","7","1","1","1") = "6"
    & skf21("3","2","7","2","7","1","2","1") = "6"
    & skf21("3","2","7","2","7","1","3","1") = "6"
    & skf21("3","2","7","2","7","1","4","1") = "6"
    & skf21("3","2","7","2","7","1","5","1") = "6"
    & skf21("3","2","7","2","7","1","6","1") = "6"
    & skf21("3","2","7","2","7","1","7","1") = "6"
    & skf21("3","2","7","2","7","2","1","1") = "6"
    & skf21("3","2","7","2","7","2","2","1") = "6"
    & skf21("3","2","7","2","7","2","3","1") = "6"
    & skf21("3","2","7","2","7","2","4","1") = "6"
    & skf21("3","2","7","2","7","2","5","1") = "6"
    & skf21("3","2","7","2","7","2","6","1") = "6"
    & skf21("3","2","7","2","7","2","7","1") = "6"
    & skf21("3","2","7","2","7","3","1","1") = "6"
    & skf21("3","2","7","2","7","3","2","1") = "6"
    & skf21("3","2","7","2","7","3","3","1") = "6"
    & skf21("3","2","7","2","7","3","4","1") = "6"
    & skf21("3","2","7","2","7","3","5","1") = "6"
    & skf21("3","2","7","2","7","3","6","1") = "6"
    & skf21("3","2","7","2","7","3","7","1") = "6"
    & skf21("3","2","7","2","7","4","1","1") = "6"
    & skf21("3","2","7","2","7","4","2","1") = "6"
    & skf21("3","2","7","2","7","4","3","1") = "6"
    & skf21("3","2","7","2","7","4","4","1") = "6"
    & skf21("3","2","7","2","7","4","5","1") = "6"
    & skf21("3","2","7","2","7","4","6","1") = "6"
    & skf21("3","2","7","2","7","4","7","1") = "6"
    & skf21("3","2","7","2","7","5","1","1") = "6"
    & skf21("3","2","7","2","7","5","2","1") = "6"
    & skf21("3","2","7","2","7","5","3","1") = "6"
    & skf21("3","2","7","2","7","5","4","1") = "6"
    & skf21("3","2","7","2","7","5","5","1") = "6"
    & skf21("3","2","7","2","7","5","6","1") = "6"
    & skf21("3","2","7","2","7","5","7","1") = "6"
    & skf21("3","2","7","2","7","6","1","1") = "6"
    & skf21("3","2","7","2","7","6","2","1") = "6"
    & skf21("3","2","7","2","7","6","3","1") = "6"
    & skf21("3","2","7","2","7","6","4","1") = "6"
    & skf21("3","2","7","2","7","6","5","1") = "6"
    & skf21("3","2","7","2","7","6","6","1") = "6"
    & skf21("3","2","7","2","7","6","7","1") = "6"
    & skf21("3","2","7","2","7","7","1","1") = "6"
    & skf21("3","2","7","2","7","7","2","1") = "6"
    & skf21("3","2","7","2","7","7","3","1") = "6"
    & skf21("3","2","7","2","7","7","4","1") = "6"
    & skf21("3","2","7","2","7","7","5","1") = "6"
    & skf21("3","2","7","2","7","7","6","1") = "6"
    & skf21("3","2","7","2","7","7","7","1") = "6"
    & skf21("3","2","7","3","1","1","1","1") = "6"
    & skf21("3","2","7","3","1","1","2","1") = "6"
    & skf21("3","2","7","3","1","1","3","1") = "6"
    & skf21("3","2","7","3","1","1","4","1") = "6"
    & skf21("3","2","7","3","1","1","5","1") = "6"
    & skf21("3","2","7","3","1","1","6","1") = "6"
    & skf21("3","2","7","3","1","1","7","1") = "6"
    & skf21("3","2","7","3","1","2","1","1") = "6"
    & skf21("3","2","7","3","1","2","2","1") = "6"
    & skf21("3","2","7","3","1","2","3","1") = "6"
    & skf21("3","2","7","3","1","2","4","1") = "6"
    & skf21("3","2","7","3","1","2","5","1") = "6"
    & skf21("3","2","7","3","1","2","6","1") = "6"
    & skf21("3","2","7","3","1","2","7","1") = "6"
    & skf21("3","2","7","3","1","3","1","1") = "6"
    & skf21("3","2","7","3","1","3","2","1") = "6"
    & skf21("3","2","7","3","1","3","3","1") = "6"
    & skf21("3","2","7","3","1","3","4","1") = "6"
    & skf21("3","2","7","3","1","3","5","1") = "6"
    & skf21("3","2","7","3","1","3","6","1") = "6"
    & skf21("3","2","7","3","1","3","7","1") = "6"
    & skf21("3","2","7","3","1","4","1","1") = "6"
    & skf21("3","2","7","3","1","4","2","1") = "6"
    & skf21("3","2","7","3","1","4","3","1") = "6"
    & skf21("3","2","7","3","1","4","4","1") = "6"
    & skf21("3","2","7","3","1","4","5","1") = "6"
    & skf21("3","2","7","3","1","4","6","1") = "6"
    & skf21("3","2","7","3","1","4","7","1") = "6"
    & skf21("3","2","7","3","1","5","1","1") = "6"
    & skf21("3","2","7","3","1","5","2","1") = "6"
    & skf21("3","2","7","3","1","5","3","1") = "6"
    & skf21("3","2","7","3","1","5","4","1") = "6"
    & skf21("3","2","7","3","1","5","5","1") = "6"
    & skf21("3","2","7","3","1","5","6","1") = "6"
    & skf21("3","2","7","3","1","5","7","1") = "6"
    & skf21("3","2","7","3","1","6","1","1") = "6"
    & skf21("3","2","7","3","1","6","2","1") = "6"
    & skf21("3","2","7","3","1","6","3","1") = "6"
    & skf21("3","2","7","3","1","6","4","1") = "6"
    & skf21("3","2","7","3","1","6","5","1") = "6"
    & skf21("3","2","7","3","1","6","6","1") = "6"
    & skf21("3","2","7","3","1","6","7","1") = "6"
    & skf21("3","2","7","3","1","7","1","1") = "6"
    & skf21("3","2","7","3","1","7","2","1") = "6"
    & skf21("3","2","7","3","1","7","3","1") = "6"
    & skf21("3","2","7","3","1","7","4","1") = "6"
    & skf21("3","2","7","3","1","7","5","1") = "6"
    & skf21("3","2","7","3","1","7","6","1") = "6"
    & skf21("3","2","7","3","1","7","7","1") = "6"
    & skf21("3","2","7","3","2","1","1","1") = "6"
    & skf21("3","2","7","3","2","1","2","1") = "6"
    & skf21("3","2","7","3","2","1","3","1") = "6"
    & skf21("3","2","7","3","2","1","4","1") = "6"
    & skf21("3","2","7","3","2","1","5","1") = "6"
    & skf21("3","2","7","3","2","1","6","1") = "6"
    & skf21("3","2","7","3","2","1","7","1") = "6"
    & skf21("3","2","7","3","2","2","1","1") = "6"
    & skf21("3","2","7","3","2","2","2","1") = "6"
    & skf21("3","2","7","3","2","2","3","1") = "6"
    & skf21("3","2","7","3","2","2","4","1") = "6"
    & skf21("3","2","7","3","2","2","5","1") = "6"
    & skf21("3","2","7","3","2","2","6","1") = "6"
    & skf21("3","2","7","3","2","2","7","1") = "6"
    & skf21("3","2","7","3","2","3","1","1") = "6"
    & skf21("3","2","7","3","2","3","2","1") = "6"
    & skf21("3","2","7","3","2","3","3","1") = "6"
    & skf21("3","2","7","3","2","3","4","1") = "6"
    & skf21("3","2","7","3","2","3","5","1") = "6"
    & skf21("3","2","7","3","2","3","6","1") = "6"
    & skf21("3","2","7","3","2","3","7","1") = "6"
    & skf21("3","2","7","3","2","4","1","1") = "6"
    & skf21("3","2","7","3","2","4","2","1") = "6"
    & skf21("3","2","7","3","2","4","3","1") = "6"
    & skf21("3","2","7","3","2","4","4","1") = "6"
    & skf21("3","2","7","3","2","4","5","1") = "6"
    & skf21("3","2","7","3","2","4","6","1") = "6"
    & skf21("3","2","7","3","2","4","7","1") = "6"
    & skf21("3","2","7","3","2","5","1","1") = "6"
    & skf21("3","2","7","3","2","5","2","1") = "6"
    & skf21("3","2","7","3","2","5","3","1") = "6"
    & skf21("3","2","7","3","2","5","4","1") = "6"
    & skf21("3","2","7","3","2","5","5","1") = "6"
    & skf21("3","2","7","3","2","5","6","1") = "6"
    & skf21("3","2","7","3","2","5","7","1") = "6"
    & skf21("3","2","7","3","2","6","1","1") = "6"
    & skf21("3","2","7","3","2","6","2","1") = "6"
    & skf21("3","2","7","3","2","6","3","1") = "6"
    & skf21("3","2","7","3","2","6","4","1") = "6"
    & skf21("3","2","7","3","2","6","5","1") = "6"
    & skf21("3","2","7","3","2","6","6","1") = "6"
    & skf21("3","2","7","3","2","6","7","1") = "6"
    & skf21("3","2","7","3","2","7","1","1") = "6"
    & skf21("3","2","7","3","2","7","2","1") = "6"
    & skf21("3","2","7","3","2","7","3","1") = "6"
    & skf21("3","2","7","3","2","7","4","1") = "6"
    & skf21("3","2","7","3","2","7","5","1") = "6"
    & skf21("3","2","7","3","2","7","6","1") = "6"
    & skf21("3","2","7","3","2","7","7","1") = "6"
    & skf21("3","2","7","3","3","1","1","1") = "6"
    & skf21("3","2","7","3","3","1","2","1") = "6"
    & skf21("3","2","7","3","3","1","3","1") = "6"
    & skf21("3","2","7","3","3","1","4","1") = "6"
    & skf21("3","2","7","3","3","1","5","1") = "6"
    & skf21("3","2","7","3","3","1","6","1") = "6"
    & skf21("3","2","7","3","3","1","7","1") = "6"
    & skf21("3","2","7","3","3","2","1","1") = "6"
    & skf21("3","2","7","3","3","2","2","1") = "6"
    & skf21("3","2","7","3","3","2","3","1") = "6"
    & skf21("3","2","7","3","3","2","4","1") = "6"
    & skf21("3","2","7","3","3","2","5","1") = "6"
    & skf21("3","2","7","3","3","2","6","1") = "6"
    & skf21("3","2","7","3","3","2","7","1") = "6"
    & skf21("3","2","7","3","3","3","1","1") = "6"
    & skf21("3","2","7","3","3","3","2","1") = "6"
    & skf21("3","2","7","3","3","3","3","1") = "6"
    & skf21("3","2","7","3","3","3","4","1") = "6"
    & skf21("3","2","7","3","3","3","5","1") = "6"
    & skf21("3","2","7","3","3","3","6","1") = "6"
    & skf21("3","2","7","3","3","3","7","1") = "6"
    & skf21("3","2","7","3","3","4","1","1") = "6"
    & skf21("3","2","7","3","3","4","2","1") = "6"
    & skf21("3","2","7","3","3","4","3","1") = "6"
    & skf21("3","2","7","3","3","4","4","1") = "6"
    & skf21("3","2","7","3","3","4","5","1") = "6"
    & skf21("3","2","7","3","3","4","6","1") = "6"
    & skf21("3","2","7","3","3","4","7","1") = "6"
    & skf21("3","2","7","3","3","5","1","1") = "6"
    & skf21("3","2","7","3","3","5","2","1") = "6"
    & skf21("3","2","7","3","3","5","3","1") = "6"
    & skf21("3","2","7","3","3","5","4","1") = "6"
    & skf21("3","2","7","3","3","5","5","1") = "6"
    & skf21("3","2","7","3","3","5","6","1") = "6"
    & skf21("3","2","7","3","3","5","7","1") = "6"
    & skf21("3","2","7","3","3","6","1","1") = "6"
    & skf21("3","2","7","3","3","6","2","1") = "6"
    & skf21("3","2","7","3","3","6","3","1") = "6"
    & skf21("3","2","7","3","3","6","4","1") = "6"
    & skf21("3","2","7","3","3","6","5","1") = "6"
    & skf21("3","2","7","3","3","6","6","1") = "6"
    & skf21("3","2","7","3","3","6","7","1") = "6"
    & skf21("3","2","7","3","3","7","1","1") = "6"
    & skf21("3","2","7","3","3","7","2","1") = "6"
    & skf21("3","2","7","3","3","7","3","1") = "6"
    & skf21("3","2","7","3","3","7","4","1") = "6"
    & skf21("3","2","7","3","3","7","5","1") = "6"
    & skf21("3","2","7","3","3","7","6","1") = "6"
    & skf21("3","2","7","3","3","7","7","1") = "6"
    & skf21("3","2","7","3","4","1","1","1") = "6"
    & skf21("3","2","7","3","4","1","2","1") = "6"
    & skf21("3","2","7","3","4","1","3","1") = "6"
    & skf21("3","2","7","3","4","1","4","1") = "6"
    & skf21("3","2","7","3","4","1","5","1") = "6"
    & skf21("3","2","7","3","4","1","6","1") = "6"
    & skf21("3","2","7","3","4","1","7","1") = "6"
    & skf21("3","2","7","3","4","2","1","1") = "6"
    & skf21("3","2","7","3","4","2","2","1") = "6"
    & skf21("3","2","7","3","4","2","3","1") = "6"
    & skf21("3","2","7","3","4","2","4","1") = "6"
    & skf21("3","2","7","3","4","2","5","1") = "6"
    & skf21("3","2","7","3","4","2","6","1") = "6"
    & skf21("3","2","7","3","4","2","7","1") = "6"
    & skf21("3","2","7","3","4","3","1","1") = "6"
    & skf21("3","2","7","3","4","3","2","1") = "6"
    & skf21("3","2","7","3","4","3","3","1") = "6"
    & skf21("3","2","7","3","4","3","4","1") = "6"
    & skf21("3","2","7","3","4","3","5","1") = "6"
    & skf21("3","2","7","3","4","3","6","1") = "6"
    & skf21("3","2","7","3","4","3","7","1") = "6"
    & skf21("3","2","7","3","4","4","1","1") = "6"
    & skf21("3","2","7","3","4","4","2","1") = "6"
    & skf21("3","2","7","3","4","4","3","1") = "6"
    & skf21("3","2","7","3","4","4","4","1") = "6"
    & skf21("3","2","7","3","4","4","5","1") = "6"
    & skf21("3","2","7","3","4","4","6","1") = "6"
    & skf21("3","2","7","3","4","4","7","1") = "6"
    & skf21("3","2","7","3","4","5","1","1") = "6"
    & skf21("3","2","7","3","4","5","2","1") = "6"
    & skf21("3","2","7","3","4","5","3","1") = "6"
    & skf21("3","2","7","3","4","5","4","1") = "6"
    & skf21("3","2","7","3","4","5","5","1") = "6"
    & skf21("3","2","7","3","4","5","6","1") = "6"
    & skf21("3","2","7","3","4","5","7","1") = "6"
    & skf21("3","2","7","3","4","6","1","1") = "6"
    & skf21("3","2","7","3","4","6","2","1") = "6"
    & skf21("3","2","7","3","4","6","3","1") = "6"
    & skf21("3","2","7","3","4","6","4","1") = "6"
    & skf21("3","2","7","3","4","6","5","1") = "6"
    & skf21("3","2","7","3","4","6","6","1") = "6"
    & skf21("3","2","7","3","4","6","7","1") = "6"
    & skf21("3","2","7","3","4","7","1","1") = "6"
    & skf21("3","2","7","3","4","7","2","1") = "6"
    & skf21("3","2","7","3","4","7","3","1") = "6"
    & skf21("3","2","7","3","4","7","4","1") = "6"
    & skf21("3","2","7","3","4","7","5","1") = "6"
    & skf21("3","2","7","3","4","7","6","1") = "6"
    & skf21("3","2","7","3","4","7","7","1") = "6"
    & skf21("3","2","7","3","5","1","1","1") = "6"
    & skf21("3","2","7","3","5","1","2","1") = "6"
    & skf21("3","2","7","3","5","1","3","1") = "6"
    & skf21("3","2","7","3","5","1","4","1") = "6"
    & skf21("3","2","7","3","5","1","5","1") = "6"
    & skf21("3","2","7","3","5","1","6","1") = "6"
    & skf21("3","2","7","3","5","1","7","1") = "6"
    & skf21("3","2","7","3","5","2","1","1") = "6"
    & skf21("3","2","7","3","5","2","2","1") = "6"
    & skf21("3","2","7","3","5","2","3","1") = "6"
    & skf21("3","2","7","3","5","2","4","1") = "6"
    & skf21("3","2","7","3","5","2","5","1") = "6"
    & skf21("3","2","7","3","5","2","6","1") = "6"
    & skf21("3","2","7","3","5","2","7","1") = "6"
    & skf21("3","2","7","3","5","3","1","1") = "6"
    & skf21("3","2","7","3","5","3","2","1") = "6"
    & skf21("3","2","7","3","5","3","3","1") = "6"
    & skf21("3","2","7","3","5","3","4","1") = "6"
    & skf21("3","2","7","3","5","3","5","1") = "6"
    & skf21("3","2","7","3","5","3","6","1") = "6"
    & skf21("3","2","7","3","5","3","7","1") = "6"
    & skf21("3","2","7","3","5","4","1","1") = "6"
    & skf21("3","2","7","3","5","4","2","1") = "6"
    & skf21("3","2","7","3","5","4","3","1") = "6"
    & skf21("3","2","7","3","5","4","4","1") = "6"
    & skf21("3","2","7","3","5","4","5","1") = "6"
    & skf21("3","2","7","3","5","4","6","1") = "6"
    & skf21("3","2","7","3","5","4","7","1") = "6"
    & skf21("3","2","7","3","5","5","1","1") = "6"
    & skf21("3","2","7","3","5","5","2","1") = "6"
    & skf21("3","2","7","3","5","5","3","1") = "6"
    & skf21("3","2","7","3","5","5","4","1") = "6"
    & skf21("3","2","7","3","5","5","5","1") = "6"
    & skf21("3","2","7","3","5","5","6","1") = "6"
    & skf21("3","2","7","3","5","5","7","1") = "6"
    & skf21("3","2","7","3","5","6","1","1") = "6"
    & skf21("3","2","7","3","5","6","2","1") = "6"
    & skf21("3","2","7","3","5","6","3","1") = "6"
    & skf21("3","2","7","3","5","6","4","1") = "6"
    & skf21("3","2","7","3","5","6","5","1") = "6"
    & skf21("3","2","7","3","5","6","6","1") = "6"
    & skf21("3","2","7","3","5","6","7","1") = "6"
    & skf21("3","2","7","3","5","7","1","1") = "6"
    & skf21("3","2","7","3","5","7","2","1") = "6"
    & skf21("3","2","7","3","5","7","3","1") = "6"
    & skf21("3","2","7","3","5","7","4","1") = "6"
    & skf21("3","2","7","3","5","7","5","1") = "6"
    & skf21("3","2","7","3","5","7","6","1") = "6"
    & skf21("3","2","7","3","5","7","7","1") = "6"
    & skf21("3","2","7","3","6","1","1","1") = "6"
    & skf21("3","2","7","3","6","1","2","1") = "6"
    & skf21("3","2","7","3","6","1","3","1") = "6"
    & skf21("3","2","7","3","6","1","4","1") = "6"
    & skf21("3","2","7","3","6","1","5","1") = "6"
    & skf21("3","2","7","3","6","1","6","1") = "6"
    & skf21("3","2","7","3","6","1","7","1") = "6"
    & skf21("3","2","7","3","6","2","1","1") = "6"
    & skf21("3","2","7","3","6","2","2","1") = "6"
    & skf21("3","2","7","3","6","2","3","1") = "6"
    & skf21("3","2","7","3","6","2","4","1") = "6"
    & skf21("3","2","7","3","6","2","5","1") = "6"
    & skf21("3","2","7","3","6","2","6","1") = "6"
    & skf21("3","2","7","3","6","2","7","1") = "6"
    & skf21("3","2","7","3","6","3","1","1") = "6"
    & skf21("3","2","7","3","6","3","2","1") = "6"
    & skf21("3","2","7","3","6","3","3","1") = "6"
    & skf21("3","2","7","3","6","3","4","1") = "6"
    & skf21("3","2","7","3","6","3","5","1") = "6"
    & skf21("3","2","7","3","6","3","6","1") = "6"
    & skf21("3","2","7","3","6","3","7","1") = "6"
    & skf21("3","2","7","3","6","4","1","1") = "6"
    & skf21("3","2","7","3","6","4","2","1") = "6"
    & skf21("3","2","7","3","6","4","3","1") = "6"
    & skf21("3","2","7","3","6","4","4","1") = "6"
    & skf21("3","2","7","3","6","4","5","1") = "6"
    & skf21("3","2","7","3","6","4","6","1") = "6"
    & skf21("3","2","7","3","6","4","7","1") = "6"
    & skf21("3","2","7","3","6","5","1","1") = "6"
    & skf21("3","2","7","3","6","5","2","1") = "6"
    & skf21("3","2","7","3","6","5","3","1") = "6"
    & skf21("3","2","7","3","6","5","4","1") = "6"
    & skf21("3","2","7","3","6","5","5","1") = "6"
    & skf21("3","2","7","3","6","5","6","1") = "6"
    & skf21("3","2","7","3","6","5","7","1") = "6"
    & skf21("3","2","7","3","6","6","1","1") = "6"
    & skf21("3","2","7","3","6","6","2","1") = "6"
    & skf21("3","2","7","3","6","6","3","1") = "6"
    & skf21("3","2","7","3","6","6","4","1") = "6"
    & skf21("3","2","7","3","6","6","5","1") = "6"
    & skf21("3","2","7","3","6","6","6","1") = "6"
    & skf21("3","2","7","3","6","6","7","1") = "6"
    & skf21("3","2","7","3","6","7","1","1") = "6"
    & skf21("3","2","7","3","6","7","2","1") = "6"
    & skf21("3","2","7","3","6","7","3","1") = "6"
    & skf21("3","2","7","3","6","7","4","1") = "6"
    & skf21("3","2","7","3","6","7","5","1") = "6"
    & skf21("3","2","7","3","6","7","6","1") = "6"
    & skf21("3","2","7","3","6","7","7","1") = "6"
    & skf21("3","2","7","3","7","1","1","1") = "6"
    & skf21("3","2","7","3","7","1","2","1") = "6"
    & skf21("3","2","7","3","7","1","3","1") = "6"
    & skf21("3","2","7","3","7","1","4","1") = "6"
    & skf21("3","2","7","3","7","1","5","1") = "6"
    & skf21("3","2","7","3","7","1","6","1") = "6"
    & skf21("3","2","7","3","7","1","7","1") = "6"
    & skf21("3","2","7","3","7","2","1","1") = "6"
    & skf21("3","2","7","3","7","2","2","1") = "6"
    & skf21("3","2","7","3","7","2","3","1") = "6"
    & skf21("3","2","7","3","7","2","4","1") = "6"
    & skf21("3","2","7","3","7","2","5","1") = "6"
    & skf21("3","2","7","3","7","2","6","1") = "6"
    & skf21("3","2","7","3","7","2","7","1") = "6"
    & skf21("3","2","7","3","7","3","1","1") = "6"
    & skf21("3","2","7","3","7","3","2","1") = "6"
    & skf21("3","2","7","3","7","3","3","1") = "6"
    & skf21("3","2","7","3","7","3","4","1") = "6"
    & skf21("3","2","7","3","7","3","5","1") = "6"
    & skf21("3","2","7","3","7","3","6","1") = "6"
    & skf21("3","2","7","3","7","3","7","1") = "6"
    & skf21("3","2","7","3","7","4","1","1") = "6"
    & skf21("3","2","7","3","7","4","2","1") = "6"
    & skf21("3","2","7","3","7","4","3","1") = "6"
    & skf21("3","2","7","3","7","4","4","1") = "6"
    & skf21("3","2","7","3","7","4","5","1") = "6"
    & skf21("3","2","7","3","7","4","6","1") = "6"
    & skf21("3","2","7","3","7","4","7","1") = "6"
    & skf21("3","2","7","3","7","5","1","1") = "6"
    & skf21("3","2","7","3","7","5","2","1") = "6"
    & skf21("3","2","7","3","7","5","3","1") = "6"
    & skf21("3","2","7","3","7","5","4","1") = "6"
    & skf21("3","2","7","3","7","5","5","1") = "6"
    & skf21("3","2","7","3","7","5","6","1") = "6"
    & skf21("3","2","7","3","7","5","7","1") = "6"
    & skf21("3","2","7","3","7","6","1","1") = "6"
    & skf21("3","2","7","3","7","6","2","1") = "6"
    & skf21("3","2","7","3","7","6","3","1") = "6"
    & skf21("3","2","7","3","7","6","4","1") = "6"
    & skf21("3","2","7","3","7","6","5","1") = "6"
    & skf21("3","2","7","3","7","6","6","1") = "6"
    & skf21("3","2","7","3","7","6","7","1") = "6"
    & skf21("3","2","7","3","7","7","1","1") = "6"
    & skf21("3","2","7","3","7","7","2","1") = "6"
    & skf21("3","2","7","3","7","7","3","1") = "6"
    & skf21("3","2","7","3","7","7","4","1") = "6"
    & skf21("3","2","7","3","7","7","5","1") = "6"
    & skf21("3","2","7","3","7","7","6","1") = "6"
    & skf21("3","2","7","3","7","7","7","1") = "6"
    & skf21("3","2","7","4","1","1","1","1") = "6"
    & skf21("3","2","7","4","1","1","2","1") = "6"
    & skf21("3","2","7","4","1","1","3","1") = "6"
    & skf21("3","2","7","4","1","1","4","1") = "6"
    & skf21("3","2","7","4","1","1","5","1") = "6"
    & skf21("3","2","7","4","1","1","6","1") = "6"
    & skf21("3","2","7","4","1","1","7","1") = "6"
    & skf21("3","2","7","4","1","2","1","1") = "6"
    & skf21("3","2","7","4","1","2","2","1") = "6"
    & skf21("3","2","7","4","1","2","3","1") = "6"
    & skf21("3","2","7","4","1","2","4","1") = "6"
    & skf21("3","2","7","4","1","2","5","1") = "6"
    & skf21("3","2","7","4","1","2","6","1") = "6"
    & skf21("3","2","7","4","1","2","7","1") = "6"
    & skf21("3","2","7","4","1","3","1","1") = "6"
    & skf21("3","2","7","4","1","3","2","1") = "6"
    & skf21("3","2","7","4","1","3","3","1") = "6"
    & skf21("3","2","7","4","1","3","4","1") = "6"
    & skf21("3","2","7","4","1","3","5","1") = "6"
    & skf21("3","2","7","4","1","3","6","1") = "6"
    & skf21("3","2","7","4","1","3","7","1") = "6"
    & skf21("3","2","7","4","1","4","1","1") = "6"
    & skf21("3","2","7","4","1","4","2","1") = "6"
    & skf21("3","2","7","4","1","4","3","1") = "6"
    & skf21("3","2","7","4","1","4","4","1") = "6"
    & skf21("3","2","7","4","1","4","5","1") = "6"
    & skf21("3","2","7","4","1","4","6","1") = "6"
    & skf21("3","2","7","4","1","4","7","1") = "6"
    & skf21("3","2","7","4","1","5","1","1") = "6"
    & skf21("3","2","7","4","1","5","2","1") = "6"
    & skf21("3","2","7","4","1","5","3","1") = "6"
    & skf21("3","2","7","4","1","5","4","1") = "6"
    & skf21("3","2","7","4","1","5","5","1") = "6"
    & skf21("3","2","7","4","1","5","6","1") = "6"
    & skf21("3","2","7","4","1","5","7","1") = "6"
    & skf21("3","2","7","4","1","6","1","1") = "6"
    & skf21("3","2","7","4","1","6","2","1") = "6"
    & skf21("3","2","7","4","1","6","3","1") = "6"
    & skf21("3","2","7","4","1","6","4","1") = "6"
    & skf21("3","2","7","4","1","6","5","1") = "6"
    & skf21("3","2","7","4","1","6","6","1") = "6"
    & skf21("3","2","7","4","1","6","7","1") = "6"
    & skf21("3","2","7","4","1","7","1","1") = "6"
    & skf21("3","2","7","4","1","7","2","1") = "6"
    & skf21("3","2","7","4","1","7","3","1") = "6"
    & skf21("3","2","7","4","1","7","4","1") = "6"
    & skf21("3","2","7","4","1","7","5","1") = "6"
    & skf21("3","2","7","4","1","7","6","1") = "6"
    & skf21("3","2","7","4","1","7","7","1") = "6"
    & skf21("3","2","7","4","2","1","1","1") = "6"
    & skf21("3","2","7","4","2","1","2","1") = "6"
    & skf21("3","2","7","4","2","1","3","1") = "6"
    & skf21("3","2","7","4","2","1","4","1") = "6"
    & skf21("3","2","7","4","2","1","5","1") = "6"
    & skf21("3","2","7","4","2","1","6","1") = "6"
    & skf21("3","2","7","4","2","1","7","1") = "6"
    & skf21("3","2","7","4","2","2","1","1") = "6"
    & skf21("3","2","7","4","2","2","2","1") = "6"
    & skf21("3","2","7","4","2","2","3","1") = "6"
    & skf21("3","2","7","4","2","2","4","1") = "6"
    & skf21("3","2","7","4","2","2","5","1") = "6"
    & skf21("3","2","7","4","2","2","6","1") = "6"
    & skf21("3","2","7","4","2","2","7","1") = "6"
    & skf21("3","2","7","4","2","3","1","1") = "6"
    & skf21("3","2","7","4","2","3","2","1") = "6"
    & skf21("3","2","7","4","2","3","3","1") = "6"
    & skf21("3","2","7","4","2","3","4","1") = "6"
    & skf21("3","2","7","4","2","3","5","1") = "6"
    & skf21("3","2","7","4","2","3","6","1") = "6"
    & skf21("3","2","7","4","2","3","7","1") = "6"
    & skf21("3","2","7","4","2","4","1","1") = "6"
    & skf21("3","2","7","4","2","4","2","1") = "6"
    & skf21("3","2","7","4","2","4","3","1") = "6"
    & skf21("3","2","7","4","2","4","4","1") = "6"
    & skf21("3","2","7","4","2","4","5","1") = "6"
    & skf21("3","2","7","4","2","4","6","1") = "6"
    & skf21("3","2","7","4","2","4","7","1") = "6"
    & skf21("3","2","7","4","2","5","1","1") = "6"
    & skf21("3","2","7","4","2","5","2","1") = "6"
    & skf21("3","2","7","4","2","5","3","1") = "6"
    & skf21("3","2","7","4","2","5","4","1") = "6"
    & skf21("3","2","7","4","2","5","5","1") = "6"
    & skf21("3","2","7","4","2","5","6","1") = "6"
    & skf21("3","2","7","4","2","5","7","1") = "6"
    & skf21("3","2","7","4","2","6","1","1") = "6"
    & skf21("3","2","7","4","2","6","2","1") = "6"
    & skf21("3","2","7","4","2","6","3","1") = "6"
    & skf21("3","2","7","4","2","6","4","1") = "6"
    & skf21("3","2","7","4","2","6","5","1") = "6"
    & skf21("3","2","7","4","2","6","6","1") = "6"
    & skf21("3","2","7","4","2","6","7","1") = "6"
    & skf21("3","2","7","4","2","7","1","1") = "6"
    & skf21("3","2","7","4","2","7","2","1") = "6"
    & skf21("3","2","7","4","2","7","3","1") = "6"
    & skf21("3","2","7","4","2","7","4","1") = "6"
    & skf21("3","2","7","4","2","7","5","1") = "6"
    & skf21("3","2","7","4","2","7","6","1") = "6"
    & skf21("3","2","7","4","2","7","7","1") = "6"
    & skf21("3","2","7","4","3","1","1","1") = "6"
    & skf21("3","2","7","4","3","1","2","1") = "6"
    & skf21("3","2","7","4","3","1","3","1") = "6"
    & skf21("3","2","7","4","3","1","4","1") = "6"
    & skf21("3","2","7","4","3","1","5","1") = "6"
    & skf21("3","2","7","4","3","1","6","1") = "6"
    & skf21("3","2","7","4","3","1","7","1") = "6"
    & skf21("3","2","7","4","3","2","1","1") = "6"
    & skf21("3","2","7","4","3","2","2","1") = "6"
    & skf21("3","2","7","4","3","2","3","1") = "6"
    & skf21("3","2","7","4","3","2","4","1") = "6"
    & skf21("3","2","7","4","3","2","5","1") = "6"
    & skf21("3","2","7","4","3","2","6","1") = "6"
    & skf21("3","2","7","4","3","2","7","1") = "6"
    & skf21("3","2","7","4","3","3","1","1") = "6"
    & skf21("3","2","7","4","3","3","2","1") = "6"
    & skf21("3","2","7","4","3","3","3","1") = "6"
    & skf21("3","2","7","4","3","3","4","1") = "6"
    & skf21("3","2","7","4","3","3","5","1") = "6"
    & skf21("3","2","7","4","3","3","6","1") = "6"
    & skf21("3","2","7","4","3","3","7","1") = "6"
    & skf21("3","2","7","4","3","4","1","1") = "6"
    & skf21("3","2","7","4","3","4","2","1") = "6"
    & skf21("3","2","7","4","3","4","3","1") = "6"
    & skf21("3","2","7","4","3","4","4","1") = "6"
    & skf21("3","2","7","4","3","4","5","1") = "6"
    & skf21("3","2","7","4","3","4","6","1") = "6"
    & skf21("3","2","7","4","3","4","7","1") = "6"
    & skf21("3","2","7","4","3","5","1","1") = "6"
    & skf21("3","2","7","4","3","5","2","1") = "6"
    & skf21("3","2","7","4","3","5","3","1") = "6"
    & skf21("3","2","7","4","3","5","4","1") = "6"
    & skf21("3","2","7","4","3","5","5","1") = "6"
    & skf21("3","2","7","4","3","5","6","1") = "6"
    & skf21("3","2","7","4","3","5","7","1") = "6"
    & skf21("3","2","7","4","3","6","1","1") = "6"
    & skf21("3","2","7","4","3","6","2","1") = "6"
    & skf21("3","2","7","4","3","6","3","1") = "6"
    & skf21("3","2","7","4","3","6","4","1") = "6"
    & skf21("3","2","7","4","3","6","5","1") = "6"
    & skf21("3","2","7","4","3","6","6","1") = "6"
    & skf21("3","2","7","4","3","6","7","1") = "6"
    & skf21("3","2","7","4","3","7","1","1") = "6"
    & skf21("3","2","7","4","3","7","2","1") = "6"
    & skf21("3","2","7","4","3","7","3","1") = "6"
    & skf21("3","2","7","4","3","7","4","1") = "6"
    & skf21("3","2","7","4","3","7","5","1") = "6"
    & skf21("3","2","7","4","3","7","6","1") = "6"
    & skf21("3","2","7","4","3","7","7","1") = "6"
    & skf21("3","2","7","4","4","1","1","1") = "6"
    & skf21("3","2","7","4","4","1","2","1") = "6"
    & skf21("3","2","7","4","4","1","3","1") = "6"
    & skf21("3","2","7","4","4","1","4","1") = "6"
    & skf21("3","2","7","4","4","1","5","1") = "6"
    & skf21("3","2","7","4","4","1","6","1") = "6"
    & skf21("3","2","7","4","4","1","7","1") = "6"
    & skf21("3","2","7","4","4","2","1","1") = "6"
    & skf21("3","2","7","4","4","2","2","1") = "6"
    & skf21("3","2","7","4","4","2","3","1") = "6"
    & skf21("3","2","7","4","4","2","4","1") = "6"
    & skf21("3","2","7","4","4","2","5","1") = "6"
    & skf21("3","2","7","4","4","2","6","1") = "6"
    & skf21("3","2","7","4","4","2","7","1") = "6"
    & skf21("3","2","7","4","4","3","1","1") = "6"
    & skf21("3","2","7","4","4","3","2","1") = "6"
    & skf21("3","2","7","4","4","3","3","1") = "6"
    & skf21("3","2","7","4","4","3","4","1") = "6"
    & skf21("3","2","7","4","4","3","5","1") = "6"
    & skf21("3","2","7","4","4","3","6","1") = "6"
    & skf21("3","2","7","4","4","3","7","1") = "6"
    & skf21("3","2","7","4","4","4","1","1") = "6"
    & skf21("3","2","7","4","4","4","2","1") = "6"
    & skf21("3","2","7","4","4","4","3","1") = "6"
    & skf21("3","2","7","4","4","4","4","1") = "6"
    & skf21("3","2","7","4","4","4","5","1") = "6"
    & skf21("3","2","7","4","4","4","6","1") = "6"
    & skf21("3","2","7","4","4","4","7","1") = "6"
    & skf21("3","2","7","4","4","5","1","1") = "6"
    & skf21("3","2","7","4","4","5","2","1") = "6"
    & skf21("3","2","7","4","4","5","3","1") = "6"
    & skf21("3","2","7","4","4","5","4","1") = "6"
    & skf21("3","2","7","4","4","5","5","1") = "6"
    & skf21("3","2","7","4","4","5","6","1") = "6"
    & skf21("3","2","7","4","4","5","7","1") = "6"
    & skf21("3","2","7","4","4","6","1","1") = "6"
    & skf21("3","2","7","4","4","6","2","1") = "6"
    & skf21("3","2","7","4","4","6","3","1") = "6"
    & skf21("3","2","7","4","4","6","4","1") = "6"
    & skf21("3","2","7","4","4","6","5","1") = "6"
    & skf21("3","2","7","4","4","6","6","1") = "6"
    & skf21("3","2","7","4","4","6","7","1") = "6"
    & skf21("3","2","7","4","4","7","1","1") = "6"
    & skf21("3","2","7","4","4","7","2","1") = "6"
    & skf21("3","2","7","4","4","7","3","1") = "6"
    & skf21("3","2","7","4","4","7","4","1") = "6"
    & skf21("3","2","7","4","4","7","5","1") = "6"
    & skf21("3","2","7","4","4","7","6","1") = "6"
    & skf21("3","2","7","4","4","7","7","1") = "6"
    & skf21("3","2","7","4","5","1","1","1") = "6"
    & skf21("3","2","7","4","5","1","2","1") = "6"
    & skf21("3","2","7","4","5","1","3","1") = "6"
    & skf21("3","2","7","4","5","1","4","1") = "6"
    & skf21("3","2","7","4","5","1","5","1") = "6"
    & skf21("3","2","7","4","5","1","6","1") = "6"
    & skf21("3","2","7","4","5","1","7","1") = "6"
    & skf21("3","2","7","4","5","2","1","1") = "6"
    & skf21("3","2","7","4","5","2","2","1") = "6"
    & skf21("3","2","7","4","5","2","3","1") = "6"
    & skf21("3","2","7","4","5","2","4","1") = "6"
    & skf21("3","2","7","4","5","2","5","1") = "6"
    & skf21("3","2","7","4","5","2","6","1") = "6"
    & skf21("3","2","7","4","5","2","7","1") = "6"
    & skf21("3","2","7","4","5","3","1","1") = "6"
    & skf21("3","2","7","4","5","3","2","1") = "6"
    & skf21("3","2","7","4","5","3","3","1") = "6"
    & skf21("3","2","7","4","5","3","4","1") = "6"
    & skf21("3","2","7","4","5","3","5","1") = "6"
    & skf21("3","2","7","4","5","3","6","1") = "6"
    & skf21("3","2","7","4","5","3","7","1") = "6"
    & skf21("3","2","7","4","5","4","1","1") = "6"
    & skf21("3","2","7","4","5","4","2","1") = "6"
    & skf21("3","2","7","4","5","4","3","1") = "6"
    & skf21("3","2","7","4","5","4","4","1") = "6"
    & skf21("3","2","7","4","5","4","5","1") = "6"
    & skf21("3","2","7","4","5","4","6","1") = "6"
    & skf21("3","2","7","4","5","4","7","1") = "6"
    & skf21("3","2","7","4","5","5","1","1") = "6"
    & skf21("3","2","7","4","5","5","2","1") = "6"
    & skf21("3","2","7","4","5","5","3","1") = "6"
    & skf21("3","2","7","4","5","5","4","1") = "6"
    & skf21("3","2","7","4","5","5","5","1") = "6"
    & skf21("3","2","7","4","5","5","6","1") = "6"
    & skf21("3","2","7","4","5","5","7","1") = "6"
    & skf21("3","2","7","4","5","6","1","1") = "6"
    & skf21("3","2","7","4","5","6","2","1") = "6"
    & skf21("3","2","7","4","5","6","3","1") = "6"
    & skf21("3","2","7","4","5","6","4","1") = "6"
    & skf21("3","2","7","4","5","6","5","1") = "6"
    & skf21("3","2","7","4","5","6","6","1") = "6"
    & skf21("3","2","7","4","5","6","7","1") = "6"
    & skf21("3","2","7","4","5","7","1","1") = "6"
    & skf21("3","2","7","4","5","7","2","1") = "6"
    & skf21("3","2","7","4","5","7","3","1") = "6"
    & skf21("3","2","7","4","5","7","4","1") = "6"
    & skf21("3","2","7","4","5","7","5","1") = "6"
    & skf21("3","2","7","4","5","7","6","1") = "6"
    & skf21("3","2","7","4","5","7","7","1") = "6"
    & skf21("3","2","7","4","6","1","1","1") = "6"
    & skf21("3","2","7","4","6","1","2","1") = "6"
    & skf21("3","2","7","4","6","1","3","1") = "6"
    & skf21("3","2","7","4","6","1","4","1") = "6"
    & skf21("3","2","7","4","6","1","5","1") = "6"
    & skf21("3","2","7","4","6","1","6","1") = "6"
    & skf21("3","2","7","4","6","1","7","1") = "6"
    & skf21("3","2","7","4","6","2","1","1") = "6"
    & skf21("3","2","7","4","6","2","2","1") = "6"
    & skf21("3","2","7","4","6","2","3","1") = "6"
    & skf21("3","2","7","4","6","2","4","1") = "6"
    & skf21("3","2","7","4","6","2","5","1") = "6"
    & skf21("3","2","7","4","6","2","6","1") = "6"
    & skf21("3","2","7","4","6","2","7","1") = "6"
    & skf21("3","2","7","4","6","3","1","1") = "6"
    & skf21("3","2","7","4","6","3","2","1") = "6"
    & skf21("3","2","7","4","6","3","3","1") = "6"
    & skf21("3","2","7","4","6","3","4","1") = "6"
    & skf21("3","2","7","4","6","3","5","1") = "6"
    & skf21("3","2","7","4","6","3","6","1") = "6"
    & skf21("3","2","7","4","6","3","7","1") = "6"
    & skf21("3","2","7","4","6","4","1","1") = "6"
    & skf21("3","2","7","4","6","4","2","1") = "6"
    & skf21("3","2","7","4","6","4","3","1") = "6"
    & skf21("3","2","7","4","6","4","4","1") = "6"
    & skf21("3","2","7","4","6","4","5","1") = "6"
    & skf21("3","2","7","4","6","4","6","1") = "6"
    & skf21("3","2","7","4","6","4","7","1") = "6"
    & skf21("3","2","7","4","6","5","1","1") = "6"
    & skf21("3","2","7","4","6","5","2","1") = "6"
    & skf21("3","2","7","4","6","5","3","1") = "6"
    & skf21("3","2","7","4","6","5","4","1") = "6"
    & skf21("3","2","7","4","6","5","5","1") = "6"
    & skf21("3","2","7","4","6","5","6","1") = "6"
    & skf21("3","2","7","4","6","5","7","1") = "6"
    & skf21("3","2","7","4","6","6","1","1") = "6"
    & skf21("3","2","7","4","6","6","2","1") = "6"
    & skf21("3","2","7","4","6","6","3","1") = "6"
    & skf21("3","2","7","4","6","6","4","1") = "6"
    & skf21("3","2","7","4","6","6","5","1") = "6"
    & skf21("3","2","7","4","6","6","6","1") = "6"
    & skf21("3","2","7","4","6","6","7","1") = "6"
    & skf21("3","2","7","4","6","7","1","1") = "6"
    & skf21("3","2","7","4","6","7","2","1") = "6"
    & skf21("3","2","7","4","6","7","3","1") = "6"
    & skf21("3","2","7","4","6","7","4","1") = "6"
    & skf21("3","2","7","4","6","7","5","1") = "6"
    & skf21("3","2","7","4","6","7","6","1") = "6"
    & skf21("3","2","7","4","6","7","7","1") = "6"
    & skf21("3","2","7","4","7","1","1","1") = "6"
    & skf21("3","2","7","4","7","1","2","1") = "6"
    & skf21("3","2","7","4","7","1","3","1") = "6"
    & skf21("3","2","7","4","7","1","4","1") = "6"
    & skf21("3","2","7","4","7","1","5","1") = "6"
    & skf21("3","2","7","4","7","1","6","1") = "6"
    & skf21("3","2","7","4","7","1","7","1") = "6"
    & skf21("3","2","7","4","7","2","1","1") = "6"
    & skf21("3","2","7","4","7","2","2","1") = "6"
    & skf21("3","2","7","4","7","2","3","1") = "6"
    & skf21("3","2","7","4","7","2","4","1") = "6"
    & skf21("3","2","7","4","7","2","5","1") = "6"
    & skf21("3","2","7","4","7","2","6","1") = "6"
    & skf21("3","2","7","4","7","2","7","1") = "6"
    & skf21("3","2","7","4","7","3","1","1") = "6"
    & skf21("3","2","7","4","7","3","2","1") = "6"
    & skf21("3","2","7","4","7","3","3","1") = "6"
    & skf21("3","2","7","4","7","3","4","1") = "6"
    & skf21("3","2","7","4","7","3","5","1") = "6"
    & skf21("3","2","7","4","7","3","6","1") = "6"
    & skf21("3","2","7","4","7","3","7","1") = "6"
    & skf21("3","2","7","4","7","4","1","1") = "6"
    & skf21("3","2","7","4","7","4","2","1") = "6"
    & skf21("3","2","7","4","7","4","3","1") = "6"
    & skf21("3","2","7","4","7","4","4","1") = "6"
    & skf21("3","2","7","4","7","4","5","1") = "6"
    & skf21("3","2","7","4","7","4","6","1") = "6"
    & skf21("3","2","7","4","7","4","7","1") = "6"
    & skf21("3","2","7","4","7","5","1","1") = "6"
    & skf21("3","2","7","4","7","5","2","1") = "6"
    & skf21("3","2","7","4","7","5","3","1") = "6"
    & skf21("3","2","7","4","7","5","4","1") = "6"
    & skf21("3","2","7","4","7","5","5","1") = "6"
    & skf21("3","2","7","4","7","5","6","1") = "6"
    & skf21("3","2","7","4","7","5","7","1") = "6"
    & skf21("3","2","7","4","7","6","1","1") = "6"
    & skf21("3","2","7","4","7","6","2","1") = "6"
    & skf21("3","2","7","4","7","6","3","1") = "6"
    & skf21("3","2","7","4","7","6","4","1") = "6"
    & skf21("3","2","7","4","7","6","5","1") = "6"
    & skf21("3","2","7","4","7","6","6","1") = "6"
    & skf21("3","2","7","4","7","6","7","1") = "6"
    & skf21("3","2","7","4","7","7","1","1") = "6"
    & skf21("3","2","7","4","7","7","2","1") = "6"
    & skf21("3","2","7","4","7","7","3","1") = "6"
    & skf21("3","2","7","4","7","7","4","1") = "6"
    & skf21("3","2","7","4","7","7","5","1") = "6"
    & skf21("3","2","7","4","7","7","6","1") = "6"
    & skf21("3","2","7","4","7","7","7","1") = "6"
    & skf21("3","2","7","5","1","1","1","1") = "6"
    & skf21("3","2","7","5","1","1","2","1") = "6"
    & skf21("3","2","7","5","1","1","3","1") = "6"
    & skf21("3","2","7","5","1","1","4","1") = "6"
    & skf21("3","2","7","5","1","1","5","1") = "6"
    & skf21("3","2","7","5","1","1","6","1") = "6"
    & skf21("3","2","7","5","1","1","7","1") = "6"
    & skf21("3","2","7","5","1","2","1","1") = "6"
    & skf21("3","2","7","5","1","2","2","1") = "6"
    & skf21("3","2","7","5","1","2","3","1") = "6"
    & skf21("3","2","7","5","1","2","4","1") = "6"
    & skf21("3","2","7","5","1","2","5","1") = "6"
    & skf21("3","2","7","5","1","2","6","1") = "6"
    & skf21("3","2","7","5","1","2","7","1") = "6"
    & skf21("3","2","7","5","1","3","1","1") = "6"
    & skf21("3","2","7","5","1","3","2","1") = "6"
    & skf21("3","2","7","5","1","3","3","1") = "6"
    & skf21("3","2","7","5","1","3","4","1") = "6"
    & skf21("3","2","7","5","1","3","5","1") = "6"
    & skf21("3","2","7","5","1","3","6","1") = "6"
    & skf21("3","2","7","5","1","3","7","1") = "6"
    & skf21("3","2","7","5","1","4","1","1") = "6"
    & skf21("3","2","7","5","1","4","2","1") = "6"
    & skf21("3","2","7","5","1","4","3","1") = "6"
    & skf21("3","2","7","5","1","4","4","1") = "6"
    & skf21("3","2","7","5","1","4","5","1") = "6"
    & skf21("3","2","7","5","1","4","6","1") = "6"
    & skf21("3","2","7","5","1","4","7","1") = "6"
    & skf21("3","2","7","5","1","5","1","1") = "6"
    & skf21("3","2","7","5","1","5","2","1") = "6"
    & skf21("3","2","7","5","1","5","3","1") = "6"
    & skf21("3","2","7","5","1","5","4","1") = "6"
    & skf21("3","2","7","5","1","5","5","1") = "6"
    & skf21("3","2","7","5","1","5","6","1") = "6"
    & skf21("3","2","7","5","1","5","7","1") = "6"
    & skf21("3","2","7","5","1","6","1","1") = "6"
    & skf21("3","2","7","5","1","6","2","1") = "6"
    & skf21("3","2","7","5","1","6","3","1") = "6"
    & skf21("3","2","7","5","1","6","4","1") = "6"
    & skf21("3","2","7","5","1","6","5","1") = "6"
    & skf21("3","2","7","5","1","6","6","1") = "6"
    & skf21("3","2","7","5","1","6","7","1") = "6"
    & skf21("3","2","7","5","1","7","1","1") = "6"
    & skf21("3","2","7","5","1","7","2","1") = "6"
    & skf21("3","2","7","5","1","7","3","1") = "6"
    & skf21("3","2","7","5","1","7","4","1") = "6"
    & skf21("3","2","7","5","1","7","5","1") = "6"
    & skf21("3","2","7","5","1","7","6","1") = "6"
    & skf21("3","2","7","5","1","7","7","1") = "6"
    & skf21("3","2","7","5","2","1","1","1") = "6"
    & skf21("3","2","7","5","2","1","2","1") = "6"
    & skf21("3","2","7","5","2","1","3","1") = "6"
    & skf21("3","2","7","5","2","1","4","1") = "6"
    & skf21("3","2","7","5","2","1","5","1") = "6"
    & skf21("3","2","7","5","2","1","6","1") = "6"
    & skf21("3","2","7","5","2","1","7","1") = "6"
    & skf21("3","2","7","5","2","2","1","1") = "6"
    & skf21("3","2","7","5","2","2","2","1") = "6"
    & skf21("3","2","7","5","2","2","3","1") = "6"
    & skf21("3","2","7","5","2","2","4","1") = "6"
    & skf21("3","2","7","5","2","2","5","1") = "6"
    & skf21("3","2","7","5","2","2","6","1") = "6"
    & skf21("3","2","7","5","2","2","7","1") = "6"
    & skf21("3","2","7","5","2","3","1","1") = "6"
    & skf21("3","2","7","5","2","3","2","1") = "6"
    & skf21("3","2","7","5","2","3","3","1") = "6"
    & skf21("3","2","7","5","2","3","4","1") = "6"
    & skf21("3","2","7","5","2","3","5","1") = "6"
    & skf21("3","2","7","5","2","3","6","1") = "6"
    & skf21("3","2","7","5","2","3","7","1") = "6"
    & skf21("3","2","7","5","2","4","1","1") = "6"
    & skf21("3","2","7","5","2","4","2","1") = "6"
    & skf21("3","2","7","5","2","4","3","1") = "6"
    & skf21("3","2","7","5","2","4","4","1") = "6"
    & skf21("3","2","7","5","2","4","5","1") = "6"
    & skf21("3","2","7","5","2","4","6","1") = "6"
    & skf21("3","2","7","5","2","4","7","1") = "6"
    & skf21("3","2","7","5","2","5","1","1") = "6"
    & skf21("3","2","7","5","2","5","2","1") = "6"
    & skf21("3","2","7","5","2","5","3","1") = "6"
    & skf21("3","2","7","5","2","5","4","1") = "6"
    & skf21("3","2","7","5","2","5","5","1") = "6"
    & skf21("3","2","7","5","2","5","6","1") = "6"
    & skf21("3","2","7","5","2","5","7","1") = "6"
    & skf21("3","2","7","5","2","6","1","1") = "6"
    & skf21("3","2","7","5","2","6","2","1") = "6"
    & skf21("3","2","7","5","2","6","3","1") = "6"
    & skf21("3","2","7","5","2","6","4","1") = "6"
    & skf21("3","2","7","5","2","6","5","1") = "6"
    & skf21("3","2","7","5","2","6","6","1") = "6"
    & skf21("3","2","7","5","2","6","7","1") = "6"
    & skf21("3","2","7","5","2","7","1","1") = "6"
    & skf21("3","2","7","5","2","7","2","1") = "6"
    & skf21("3","2","7","5","2","7","3","1") = "6"
    & skf21("3","2","7","5","2","7","4","1") = "6"
    & skf21("3","2","7","5","2","7","5","1") = "6"
    & skf21("3","2","7","5","2","7","6","1") = "6"
    & skf21("3","2","7","5","2","7","7","1") = "6"
    & skf21("3","2","7","5","3","1","1","1") = "6"
    & skf21("3","2","7","5","3","1","2","1") = "6"
    & skf21("3","2","7","5","3","1","3","1") = "6"
    & skf21("3","2","7","5","3","1","4","1") = "6"
    & skf21("3","2","7","5","3","1","5","1") = "6"
    & skf21("3","2","7","5","3","1","6","1") = "6"
    & skf21("3","2","7","5","3","1","7","1") = "6"
    & skf21("3","2","7","5","3","2","1","1") = "6"
    & skf21("3","2","7","5","3","2","2","1") = "6"
    & skf21("3","2","7","5","3","2","3","1") = "6"
    & skf21("3","2","7","5","3","2","4","1") = "6"
    & skf21("3","2","7","5","3","2","5","1") = "6"
    & skf21("3","2","7","5","3","2","6","1") = "6"
    & skf21("3","2","7","5","3","2","7","1") = "6"
    & skf21("3","2","7","5","3","3","1","1") = "6"
    & skf21("3","2","7","5","3","3","2","1") = "6"
    & skf21("3","2","7","5","3","3","3","1") = "6"
    & skf21("3","2","7","5","3","3","4","1") = "6"
    & skf21("3","2","7","5","3","3","5","1") = "6"
    & skf21("3","2","7","5","3","3","6","1") = "6"
    & skf21("3","2","7","5","3","3","7","1") = "6"
    & skf21("3","2","7","5","3","4","1","1") = "6"
    & skf21("3","2","7","5","3","4","2","1") = "6"
    & skf21("3","2","7","5","3","4","3","1") = "6"
    & skf21("3","2","7","5","3","4","4","1") = "6"
    & skf21("3","2","7","5","3","4","5","1") = "6"
    & skf21("3","2","7","5","3","4","6","1") = "6"
    & skf21("3","2","7","5","3","4","7","1") = "6"
    & skf21("3","2","7","5","3","5","1","1") = "6"
    & skf21("3","2","7","5","3","5","2","1") = "6"
    & skf21("3","2","7","5","3","5","3","1") = "6"
    & skf21("3","2","7","5","3","5","4","1") = "6"
    & skf21("3","2","7","5","3","5","5","1") = "6"
    & skf21("3","2","7","5","3","5","6","1") = "6"
    & skf21("3","2","7","5","3","5","7","1") = "6"
    & skf21("3","2","7","5","3","6","1","1") = "6"
    & skf21("3","2","7","5","3","6","2","1") = "6"
    & skf21("3","2","7","5","3","6","3","1") = "6"
    & skf21("3","2","7","5","3","6","4","1") = "6"
    & skf21("3","2","7","5","3","6","5","1") = "6"
    & skf21("3","2","7","5","3","6","6","1") = "6"
    & skf21("3","2","7","5","3","6","7","1") = "6"
    & skf21("3","2","7","5","3","7","1","1") = "6"
    & skf21("3","2","7","5","3","7","2","1") = "6"
    & skf21("3","2","7","5","3","7","3","1") = "6"
    & skf21("3","2","7","5","3","7","4","1") = "6"
    & skf21("3","2","7","5","3","7","5","1") = "6"
    & skf21("3","2","7","5","3","7","6","1") = "6"
    & skf21("3","2","7","5","3","7","7","1") = "6"
    & skf21("3","2","7","5","4","1","1","1") = "6"
    & skf21("3","2","7","5","4","1","2","1") = "6"
    & skf21("3","2","7","5","4","1","3","1") = "6"
    & skf21("3","2","7","5","4","1","4","1") = "6"
    & skf21("3","2","7","5","4","1","5","1") = "6"
    & skf21("3","2","7","5","4","1","6","1") = "6"
    & skf21("3","2","7","5","4","1","7","1") = "6"
    & skf21("3","2","7","5","4","2","1","1") = "6"
    & skf21("3","2","7","5","4","2","2","1") = "6"
    & skf21("3","2","7","5","4","2","3","1") = "6"
    & skf21("3","2","7","5","4","2","4","1") = "6"
    & skf21("3","2","7","5","4","2","5","1") = "6"
    & skf21("3","2","7","5","4","2","6","1") = "6"
    & skf21("3","2","7","5","4","2","7","1") = "6"
    & skf21("3","2","7","5","4","3","1","1") = "6"
    & skf21("3","2","7","5","4","3","2","1") = "6"
    & skf21("3","2","7","5","4","3","3","1") = "6"
    & skf21("3","2","7","5","4","3","4","1") = "6"
    & skf21("3","2","7","5","4","3","5","1") = "6"
    & skf21("3","2","7","5","4","3","6","1") = "6"
    & skf21("3","2","7","5","4","3","7","1") = "6"
    & skf21("3","2","7","5","4","4","1","1") = "6"
    & skf21("3","2","7","5","4","4","2","1") = "6"
    & skf21("3","2","7","5","4","4","3","1") = "6"
    & skf21("3","2","7","5","4","4","4","1") = "6"
    & skf21("3","2","7","5","4","4","5","1") = "6"
    & skf21("3","2","7","5","4","4","6","1") = "6"
    & skf21("3","2","7","5","4","4","7","1") = "6"
    & skf21("3","2","7","5","4","5","1","1") = "6"
    & skf21("3","2","7","5","4","5","2","1") = "6"
    & skf21("3","2","7","5","4","5","3","1") = "6"
    & skf21("3","2","7","5","4","5","4","1") = "6"
    & skf21("3","2","7","5","4","5","5","1") = "6"
    & skf21("3","2","7","5","4","5","6","1") = "6"
    & skf21("3","2","7","5","4","5","7","1") = "6"
    & skf21("3","2","7","5","4","6","1","1") = "6"
    & skf21("3","2","7","5","4","6","2","1") = "6"
    & skf21("3","2","7","5","4","6","3","1") = "6"
    & skf21("3","2","7","5","4","6","4","1") = "6"
    & skf21("3","2","7","5","4","6","5","1") = "6"
    & skf21("3","2","7","5","4","6","6","1") = "6"
    & skf21("3","2","7","5","4","6","7","1") = "6"
    & skf21("3","2","7","5","4","7","1","1") = "6"
    & skf21("3","2","7","5","4","7","2","1") = "6"
    & skf21("3","2","7","5","4","7","3","1") = "6"
    & skf21("3","2","7","5","4","7","4","1") = "6"
    & skf21("3","2","7","5","4","7","5","1") = "6"
    & skf21("3","2","7","5","4","7","6","1") = "6"
    & skf21("3","2","7","5","4","7","7","1") = "6"
    & skf21("3","2","7","5","5","1","1","1") = "6"
    & skf21("3","2","7","5","5","1","2","1") = "6"
    & skf21("3","2","7","5","5","1","3","1") = "6"
    & skf21("3","2","7","5","5","1","4","1") = "6"
    & skf21("3","2","7","5","5","1","5","1") = "6"
    & skf21("3","2","7","5","5","1","6","1") = "6"
    & skf21("3","2","7","5","5","1","7","1") = "6"
    & skf21("3","2","7","5","5","2","1","1") = "6"
    & skf21("3","2","7","5","5","2","2","1") = "6"
    & skf21("3","2","7","5","5","2","3","1") = "6"
    & skf21("3","2","7","5","5","2","4","1") = "6"
    & skf21("3","2","7","5","5","2","5","1") = "6"
    & skf21("3","2","7","5","5","2","6","1") = "6"
    & skf21("3","2","7","5","5","2","7","1") = "6"
    & skf21("3","2","7","5","5","3","1","1") = "6"
    & skf21("3","2","7","5","5","3","2","1") = "6"
    & skf21("3","2","7","5","5","3","3","1") = "6"
    & skf21("3","2","7","5","5","3","4","1") = "6"
    & skf21("3","2","7","5","5","3","5","1") = "6"
    & skf21("3","2","7","5","5","3","6","1") = "6"
    & skf21("3","2","7","5","5","3","7","1") = "6"
    & skf21("3","2","7","5","5","4","1","1") = "6"
    & skf21("3","2","7","5","5","4","2","1") = "6"
    & skf21("3","2","7","5","5","4","3","1") = "6"
    & skf21("3","2","7","5","5","4","4","1") = "6"
    & skf21("3","2","7","5","5","4","5","1") = "6"
    & skf21("3","2","7","5","5","4","6","1") = "6"
    & skf21("3","2","7","5","5","4","7","1") = "6"
    & skf21("3","2","7","5","5","5","1","1") = "6"
    & skf21("3","2","7","5","5","5","2","1") = "6"
    & skf21("3","2","7","5","5","5","3","1") = "6"
    & skf21("3","2","7","5","5","5","4","1") = "6"
    & skf21("3","2","7","5","5","5","5","1") = "6"
    & skf21("3","2","7","5","5","5","6","1") = "6"
    & skf21("3","2","7","5","5","5","7","1") = "6"
    & skf21("3","2","7","5","5","6","1","1") = "6"
    & skf21("3","2","7","5","5","6","2","1") = "6"
    & skf21("3","2","7","5","5","6","3","1") = "6"
    & skf21("3","2","7","5","5","6","4","1") = "6"
    & skf21("3","2","7","5","5","6","5","1") = "6"
    & skf21("3","2","7","5","5","6","6","1") = "6"
    & skf21("3","2","7","5","5","6","7","1") = "6"
    & skf21("3","2","7","5","5","7","1","1") = "6"
    & skf21("3","2","7","5","5","7","2","1") = "6"
    & skf21("3","2","7","5","5","7","3","1") = "6"
    & skf21("3","2","7","5","5","7","4","1") = "6"
    & skf21("3","2","7","5","5","7","5","1") = "6"
    & skf21("3","2","7","5","5","7","6","1") = "6"
    & skf21("3","2","7","5","5","7","7","1") = "6"
    & skf21("3","2","7","5","6","1","1","1") = "6"
    & skf21("3","2","7","5","6","1","2","1") = "6"
    & skf21("3","2","7","5","6","1","3","1") = "6"
    & skf21("3","2","7","5","6","1","4","1") = "6"
    & skf21("3","2","7","5","6","1","5","1") = "6"
    & skf21("3","2","7","5","6","1","6","1") = "6"
    & skf21("3","2","7","5","6","1","7","1") = "6"
    & skf21("3","2","7","5","6","2","1","1") = "6"
    & skf21("3","2","7","5","6","2","2","1") = "6"
    & skf21("3","2","7","5","6","2","3","1") = "6"
    & skf21("3","2","7","5","6","2","4","1") = "6"
    & skf21("3","2","7","5","6","2","5","1") = "6"
    & skf21("3","2","7","5","6","2","6","1") = "6"
    & skf21("3","2","7","5","6","2","7","1") = "6"
    & skf21("3","2","7","5","6","3","1","1") = "6"
    & skf21("3","2","7","5","6","3","2","1") = "6"
    & skf21("3","2","7","5","6","3","3","1") = "6"
    & skf21("3","2","7","5","6","3","4","1") = "6"
    & skf21("3","2","7","5","6","3","5","1") = "6"
    & skf21("3","2","7","5","6","3","6","1") = "6"
    & skf21("3","2","7","5","6","3","7","1") = "6"
    & skf21("3","2","7","5","6","4","1","1") = "6"
    & skf21("3","2","7","5","6","4","2","1") = "6"
    & skf21("3","2","7","5","6","4","3","1") = "6"
    & skf21("3","2","7","5","6","4","4","1") = "6"
    & skf21("3","2","7","5","6","4","5","1") = "6"
    & skf21("3","2","7","5","6","4","6","1") = "6"
    & skf21("3","2","7","5","6","4","7","1") = "6"
    & skf21("3","2","7","5","6","5","1","1") = "6"
    & skf21("3","2","7","5","6","5","2","1") = "6"
    & skf21("3","2","7","5","6","5","3","1") = "6"
    & skf21("3","2","7","5","6","5","4","1") = "6"
    & skf21("3","2","7","5","6","5","5","1") = "6"
    & skf21("3","2","7","5","6","5","6","1") = "6"
    & skf21("3","2","7","5","6","5","7","1") = "6"
    & skf21("3","2","7","5","6","6","1","1") = "6"
    & skf21("3","2","7","5","6","6","2","1") = "6"
    & skf21("3","2","7","5","6","6","3","1") = "6"
    & skf21("3","2","7","5","6","6","4","1") = "6"
    & skf21("3","2","7","5","6","6","5","1") = "6"
    & skf21("3","2","7","5","6","6","6","1") = "6"
    & skf21("3","2","7","5","6","6","7","1") = "6"
    & skf21("3","2","7","5","6","7","1","1") = "6"
    & skf21("3","2","7","5","6","7","2","1") = "6"
    & skf21("3","2","7","5","6","7","3","1") = "6"
    & skf21("3","2","7","5","6","7","4","1") = "6"
    & skf21("3","2","7","5","6","7","5","1") = "6"
    & skf21("3","2","7","5","6","7","6","1") = "6"
    & skf21("3","2","7","5","6","7","7","1") = "6"
    & skf21("3","2","7","5","7","1","1","1") = "6"
    & skf21("3","2","7","5","7","1","2","1") = "6"
    & skf21("3","2","7","5","7","1","3","1") = "6"
    & skf21("3","2","7","5","7","1","4","1") = "6"
    & skf21("3","2","7","5","7","1","5","1") = "6"
    & skf21("3","2","7","5","7","1","6","1") = "6"
    & skf21("3","2","7","5","7","1","7","1") = "6"
    & skf21("3","2","7","5","7","2","1","1") = "6"
    & skf21("3","2","7","5","7","2","2","1") = "6"
    & skf21("3","2","7","5","7","2","3","1") = "6"
    & skf21("3","2","7","5","7","2","4","1") = "6"
    & skf21("3","2","7","5","7","2","5","1") = "6"
    & skf21("3","2","7","5","7","2","6","1") = "6"
    & skf21("3","2","7","5","7","2","7","1") = "6"
    & skf21("3","2","7","5","7","3","1","1") = "6"
    & skf21("3","2","7","5","7","3","2","1") = "6"
    & skf21("3","2","7","5","7","3","3","1") = "6"
    & skf21("3","2","7","5","7","3","4","1") = "6"
    & skf21("3","2","7","5","7","3","5","1") = "6"
    & skf21("3","2","7","5","7","3","6","1") = "6"
    & skf21("3","2","7","5","7","3","7","1") = "6"
    & skf21("3","2","7","5","7","4","1","1") = "6"
    & skf21("3","2","7","5","7","4","2","1") = "6"
    & skf21("3","2","7","5","7","4","3","1") = "6"
    & skf21("3","2","7","5","7","4","4","1") = "6"
    & skf21("3","2","7","5","7","4","5","1") = "6"
    & skf21("3","2","7","5","7","4","6","1") = "6"
    & skf21("3","2","7","5","7","4","7","1") = "6"
    & skf21("3","2","7","5","7","5","1","1") = "6"
    & skf21("3","2","7","5","7","5","2","1") = "6"
    & skf21("3","2","7","5","7","5","3","1") = "6"
    & skf21("3","2","7","5","7","5","4","1") = "6"
    & skf21("3","2","7","5","7","5","5","1") = "6"
    & skf21("3","2","7","5","7","5","6","1") = "6"
    & skf21("3","2","7","5","7","5","7","1") = "6"
    & skf21("3","2","7","5","7","6","1","1") = "6"
    & skf21("3","2","7","5","7","6","2","1") = "6"
    & skf21("3","2","7","5","7","6","3","1") = "6"
    & skf21("3","2","7","5","7","6","4","1") = "6"
    & skf21("3","2","7","5","7","6","5","1") = "6"
    & skf21("3","2","7","5","7","6","6","1") = "6"
    & skf21("3","2","7","5","7","6","7","1") = "6"
    & skf21("3","2","7","5","7","7","1","1") = "6"
    & skf21("3","2","7","5","7","7","2","1") = "6"
    & skf21("3","2","7","5","7","7","3","1") = "6"
    & skf21("3","2","7","5","7","7","4","1") = "6"
    & skf21("3","2","7","5","7","7","5","1") = "6"
    & skf21("3","2","7","5","7","7","6","1") = "6"
    & skf21("3","2","7","5","7","7","7","1") = "6"
    & skf21("3","2","7","6","1","1","1","1") = "6"
    & skf21("3","2","7","6","1","1","2","1") = "6"
    & skf21("3","2","7","6","1","1","3","1") = "6"
    & skf21("3","2","7","6","1","1","4","1") = "6"
    & skf21("3","2","7","6","1","1","5","1") = "6"
    & skf21("3","2","7","6","1","1","6","1") = "6"
    & skf21("3","2","7","6","1","1","7","1") = "6"
    & skf21("3","2","7","6","1","2","1","1") = "6"
    & skf21("3","2","7","6","1","2","2","1") = "6"
    & skf21("3","2","7","6","1","2","3","1") = "6"
    & skf21("3","2","7","6","1","2","4","1") = "6"
    & skf21("3","2","7","6","1","2","5","1") = "6"
    & skf21("3","2","7","6","1","2","6","1") = "6"
    & skf21("3","2","7","6","1","2","7","1") = "6"
    & skf21("3","2","7","6","1","3","1","1") = "6"
    & skf21("3","2","7","6","1","3","2","1") = "6"
    & skf21("3","2","7","6","1","3","3","1") = "6"
    & skf21("3","2","7","6","1","3","4","1") = "6"
    & skf21("3","2","7","6","1","3","5","1") = "6"
    & skf21("3","2","7","6","1","3","6","1") = "6"
    & skf21("3","2","7","6","1","3","7","1") = "6"
    & skf21("3","2","7","6","1","4","1","1") = "6"
    & skf21("3","2","7","6","1","4","2","1") = "6"
    & skf21("3","2","7","6","1","4","3","1") = "6"
    & skf21("3","2","7","6","1","4","4","1") = "6"
    & skf21("3","2","7","6","1","4","5","1") = "6"
    & skf21("3","2","7","6","1","4","6","1") = "6"
    & skf21("3","2","7","6","1","4","7","1") = "6"
    & skf21("3","2","7","6","1","5","1","1") = "6"
    & skf21("3","2","7","6","1","5","2","1") = "6"
    & skf21("3","2","7","6","1","5","3","1") = "6"
    & skf21("3","2","7","6","1","5","4","1") = "6"
    & skf21("3","2","7","6","1","5","5","1") = "6"
    & skf21("3","2","7","6","1","5","6","1") = "6"
    & skf21("3","2","7","6","1","5","7","1") = "6"
    & skf21("3","2","7","6","1","6","1","1") = "6"
    & skf21("3","2","7","6","1","6","2","1") = "6"
    & skf21("3","2","7","6","1","6","3","1") = "6"
    & skf21("3","2","7","6","1","6","4","1") = "6"
    & skf21("3","2","7","6","1","6","5","1") = "6"
    & skf21("3","2","7","6","1","6","6","1") = "6"
    & skf21("3","2","7","6","1","6","7","1") = "6"
    & skf21("3","2","7","6","1","7","1","1") = "6"
    & skf21("3","2","7","6","1","7","2","1") = "6"
    & skf21("3","2","7","6","1","7","3","1") = "6"
    & skf21("3","2","7","6","1","7","4","1") = "6"
    & skf21("3","2","7","6","1","7","5","1") = "6"
    & skf21("3","2","7","6","1","7","6","1") = "6"
    & skf21("3","2","7","6","1","7","7","1") = "6"
    & skf21("3","2","7","6","2","1","1","1") = "6"
    & skf21("3","2","7","6","2","1","2","1") = "6"
    & skf21("3","2","7","6","2","1","3","1") = "6"
    & skf21("3","2","7","6","2","1","4","1") = "6"
    & skf21("3","2","7","6","2","1","5","1") = "6"
    & skf21("3","2","7","6","2","1","6","1") = "6"
    & skf21("3","2","7","6","2","1","7","1") = "6"
    & skf21("3","2","7","6","2","2","1","1") = "6"
    & skf21("3","2","7","6","2","2","2","1") = "6"
    & skf21("3","2","7","6","2","2","3","1") = "6"
    & skf21("3","2","7","6","2","2","4","1") = "6"
    & skf21("3","2","7","6","2","2","5","1") = "6"
    & skf21("3","2","7","6","2","2","6","1") = "6"
    & skf21("3","2","7","6","2","2","7","1") = "6"
    & skf21("3","2","7","6","2","3","1","1") = "6"
    & skf21("3","2","7","6","2","3","2","1") = "6"
    & skf21("3","2","7","6","2","3","3","1") = "6"
    & skf21("3","2","7","6","2","3","4","1") = "6"
    & skf21("3","2","7","6","2","3","5","1") = "6"
    & skf21("3","2","7","6","2","3","6","1") = "6"
    & skf21("3","2","7","6","2","3","7","1") = "6"
    & skf21("3","2","7","6","2","4","1","1") = "6"
    & skf21("3","2","7","6","2","4","2","1") = "6"
    & skf21("3","2","7","6","2","4","3","1") = "6"
    & skf21("3","2","7","6","2","4","4","1") = "6"
    & skf21("3","2","7","6","2","4","5","1") = "6"
    & skf21("3","2","7","6","2","4","6","1") = "6"
    & skf21("3","2","7","6","2","4","7","1") = "6"
    & skf21("3","2","7","6","2","5","1","1") = "6"
    & skf21("3","2","7","6","2","5","2","1") = "6"
    & skf21("3","2","7","6","2","5","3","1") = "6"
    & skf21("3","2","7","6","2","5","4","1") = "6"
    & skf21("3","2","7","6","2","5","5","1") = "6"
    & skf21("3","2","7","6","2","5","6","1") = "6"
    & skf21("3","2","7","6","2","5","7","1") = "6"
    & skf21("3","2","7","6","2","6","1","1") = "6"
    & skf21("3","2","7","6","2","6","2","1") = "6"
    & skf21("3","2","7","6","2","6","3","1") = "6"
    & skf21("3","2","7","6","2","6","4","1") = "6"
    & skf21("3","2","7","6","2","6","5","1") = "6"
    & skf21("3","2","7","6","2","6","6","1") = "6"
    & skf21("3","2","7","6","2","6","7","1") = "6"
    & skf21("3","2","7","6","2","7","1","1") = "6"
    & skf21("3","2","7","6","2","7","2","1") = "6"
    & skf21("3","2","7","6","2","7","3","1") = "6"
    & skf21("3","2","7","6","2","7","4","1") = "6"
    & skf21("3","2","7","6","2","7","5","1") = "6"
    & skf21("3","2","7","6","2","7","6","1") = "6"
    & skf21("3","2","7","6","2","7","7","1") = "6"
    & skf21("3","2","7","6","3","1","1","1") = "6"
    & skf21("3","2","7","6","3","1","2","1") = "6"
    & skf21("3","2","7","6","3","1","3","1") = "6"
    & skf21("3","2","7","6","3","1","4","1") = "6"
    & skf21("3","2","7","6","3","1","5","1") = "6"
    & skf21("3","2","7","6","3","1","6","1") = "6"
    & skf21("3","2","7","6","3","1","7","1") = "6"
    & skf21("3","2","7","6","3","2","1","1") = "6"
    & skf21("3","2","7","6","3","2","2","1") = "6"
    & skf21("3","2","7","6","3","2","3","1") = "6"
    & skf21("3","2","7","6","3","2","4","1") = "6"
    & skf21("3","2","7","6","3","2","5","1") = "6"
    & skf21("3","2","7","6","3","2","6","1") = "6"
    & skf21("3","2","7","6","3","2","7","1") = "6"
    & skf21("3","2","7","6","3","3","1","1") = "6"
    & skf21("3","2","7","6","3","3","2","1") = "6"
    & skf21("3","2","7","6","3","3","3","1") = "6"
    & skf21("3","2","7","6","3","3","4","1") = "6"
    & skf21("3","2","7","6","3","3","5","1") = "6"
    & skf21("3","2","7","6","3","3","6","1") = "6"
    & skf21("3","2","7","6","3","3","7","1") = "6"
    & skf21("3","2","7","6","3","4","1","1") = "6"
    & skf21("3","2","7","6","3","4","2","1") = "6"
    & skf21("3","2","7","6","3","4","3","1") = "6"
    & skf21("3","2","7","6","3","4","4","1") = "6"
    & skf21("3","2","7","6","3","4","5","1") = "6"
    & skf21("3","2","7","6","3","4","6","1") = "6"
    & skf21("3","2","7","6","3","4","7","1") = "6"
    & skf21("3","2","7","6","3","5","1","1") = "6"
    & skf21("3","2","7","6","3","5","2","1") = "6"
    & skf21("3","2","7","6","3","5","3","1") = "6"
    & skf21("3","2","7","6","3","5","4","1") = "6"
    & skf21("3","2","7","6","3","5","5","1") = "6"
    & skf21("3","2","7","6","3","5","6","1") = "6"
    & skf21("3","2","7","6","3","5","7","1") = "6"
    & skf21("3","2","7","6","3","6","1","1") = "6"
    & skf21("3","2","7","6","3","6","2","1") = "6"
    & skf21("3","2","7","6","3","6","3","1") = "6"
    & skf21("3","2","7","6","3","6","4","1") = "6"
    & skf21("3","2","7","6","3","6","5","1") = "6"
    & skf21("3","2","7","6","3","6","6","1") = "6"
    & skf21("3","2","7","6","3","6","7","1") = "6"
    & skf21("3","2","7","6","3","7","1","1") = "6"
    & skf21("3","2","7","6","3","7","2","1") = "6"
    & skf21("3","2","7","6","3","7","3","1") = "6"
    & skf21("3","2","7","6","3","7","4","1") = "6"
    & skf21("3","2","7","6","3","7","5","1") = "6"
    & skf21("3","2","7","6","3","7","6","1") = "6"
    & skf21("3","2","7","6","3","7","7","1") = "6"
    & skf21("3","2","7","6","4","1","1","1") = "6"
    & skf21("3","2","7","6","4","1","2","1") = "6"
    & skf21("3","2","7","6","4","1","3","1") = "6"
    & skf21("3","2","7","6","4","1","4","1") = "6"
    & skf21("3","2","7","6","4","1","5","1") = "6"
    & skf21("3","2","7","6","4","1","6","1") = "6"
    & skf21("3","2","7","6","4","1","7","1") = "6"
    & skf21("3","2","7","6","4","2","1","1") = "6"
    & skf21("3","2","7","6","4","2","2","1") = "6"
    & skf21("3","2","7","6","4","2","3","1") = "6"
    & skf21("3","2","7","6","4","2","4","1") = "6"
    & skf21("3","2","7","6","4","2","5","1") = "6"
    & skf21("3","2","7","6","4","2","6","1") = "6"
    & skf21("3","2","7","6","4","2","7","1") = "6"
    & skf21("3","2","7","6","4","3","1","1") = "6"
    & skf21("3","2","7","6","4","3","2","1") = "6"
    & skf21("3","2","7","6","4","3","3","1") = "6"
    & skf21("3","2","7","6","4","3","4","1") = "6"
    & skf21("3","2","7","6","4","3","5","1") = "6"
    & skf21("3","2","7","6","4","3","6","1") = "6"
    & skf21("3","2","7","6","4","3","7","1") = "6"
    & skf21("3","2","7","6","4","4","1","1") = "6"
    & skf21("3","2","7","6","4","4","2","1") = "6"
    & skf21("3","2","7","6","4","4","3","1") = "6"
    & skf21("3","2","7","6","4","4","4","1") = "6"
    & skf21("3","2","7","6","4","4","5","1") = "6"
    & skf21("3","2","7","6","4","4","6","1") = "6"
    & skf21("3","2","7","6","4","4","7","1") = "6"
    & skf21("3","2","7","6","4","5","1","1") = "6"
    & skf21("3","2","7","6","4","5","2","1") = "6"
    & skf21("3","2","7","6","4","5","3","1") = "6"
    & skf21("3","2","7","6","4","5","4","1") = "6"
    & skf21("3","2","7","6","4","5","5","1") = "6"
    & skf21("3","2","7","6","4","5","6","1") = "6"
    & skf21("3","2","7","6","4","5","7","1") = "6"
    & skf21("3","2","7","6","4","6","1","1") = "6"
    & skf21("3","2","7","6","4","6","2","1") = "6"
    & skf21("3","2","7","6","4","6","3","1") = "6"
    & skf21("3","2","7","6","4","6","4","1") = "6"
    & skf21("3","2","7","6","4","6","5","1") = "6"
    & skf21("3","2","7","6","4","6","6","1") = "6"
    & skf21("3","2","7","6","4","6","7","1") = "6"
    & skf21("3","2","7","6","4","7","1","1") = "6"
    & skf21("3","2","7","6","4","7","2","1") = "6"
    & skf21("3","2","7","6","4","7","3","1") = "6"
    & skf21("3","2","7","6","4","7","4","1") = "6"
    & skf21("3","2","7","6","4","7","5","1") = "6"
    & skf21("3","2","7","6","4","7","6","1") = "6"
    & skf21("3","2","7","6","4","7","7","1") = "6"
    & skf21("3","2","7","6","5","1","1","1") = "6"
    & skf21("3","2","7","6","5","1","2","1") = "6"
    & skf21("3","2","7","6","5","1","3","1") = "6"
    & skf21("3","2","7","6","5","1","4","1") = "6"
    & skf21("3","2","7","6","5","1","5","1") = "6"
    & skf21("3","2","7","6","5","1","6","1") = "6"
    & skf21("3","2","7","6","5","1","7","1") = "6"
    & skf21("3","2","7","6","5","2","1","1") = "6"
    & skf21("3","2","7","6","5","2","2","1") = "6"
    & skf21("3","2","7","6","5","2","3","1") = "6"
    & skf21("3","2","7","6","5","2","4","1") = "6"
    & skf21("3","2","7","6","5","2","5","1") = "6"
    & skf21("3","2","7","6","5","2","6","1") = "6"
    & skf21("3","2","7","6","5","2","7","1") = "6"
    & skf21("3","2","7","6","5","3","1","1") = "6"
    & skf21("3","2","7","6","5","3","2","1") = "6"
    & skf21("3","2","7","6","5","3","3","1") = "6"
    & skf21("3","2","7","6","5","3","4","1") = "6"
    & skf21("3","2","7","6","5","3","5","1") = "6"
    & skf21("3","2","7","6","5","3","6","1") = "6"
    & skf21("3","2","7","6","5","3","7","1") = "6"
    & skf21("3","2","7","6","5","4","1","1") = "6"
    & skf21("3","2","7","6","5","4","2","1") = "6"
    & skf21("3","2","7","6","5","4","3","1") = "6"
    & skf21("3","2","7","6","5","4","4","1") = "6"
    & skf21("3","2","7","6","5","4","5","1") = "6"
    & skf21("3","2","7","6","5","4","6","1") = "6"
    & skf21("3","2","7","6","5","4","7","1") = "6"
    & skf21("3","2","7","6","5","5","1","1") = "6"
    & skf21("3","2","7","6","5","5","2","1") = "6"
    & skf21("3","2","7","6","5","5","3","1") = "6"
    & skf21("3","2","7","6","5","5","4","1") = "6"
    & skf21("3","2","7","6","5","5","5","1") = "6"
    & skf21("3","2","7","6","5","5","6","1") = "6"
    & skf21("3","2","7","6","5","5","7","1") = "6"
    & skf21("3","2","7","6","5","6","1","1") = "6"
    & skf21("3","2","7","6","5","6","2","1") = "6"
    & skf21("3","2","7","6","5","6","3","1") = "6"
    & skf21("3","2","7","6","5","6","4","1") = "6"
    & skf21("3","2","7","6","5","6","5","1") = "6"
    & skf21("3","2","7","6","5","6","6","1") = "6"
    & skf21("3","2","7","6","5","6","7","1") = "6"
    & skf21("3","2","7","6","5","7","1","1") = "6"
    & skf21("3","2","7","6","5","7","2","1") = "6"
    & skf21("3","2","7","6","5","7","3","1") = "6"
    & skf21("3","2","7","6","5","7","4","1") = "6"
    & skf21("3","2","7","6","5","7","5","1") = "6"
    & skf21("3","2","7","6","5","7","6","1") = "6"
    & skf21("3","2","7","6","5","7","7","1") = "6"
    & skf21("3","2","7","6","6","1","1","1") = "6"
    & skf21("3","2","7","6","6","1","2","1") = "6"
    & skf21("3","2","7","6","6","1","3","1") = "6"
    & skf21("3","2","7","6","6","1","4","1") = "6"
    & skf21("3","2","7","6","6","1","5","1") = "6"
    & skf21("3","2","7","6","6","1","6","1") = "6"
    & skf21("3","2","7","6","6","1","7","1") = "6"
    & skf21("3","2","7","6","6","2","1","1") = "6"
    & skf21("3","2","7","6","6","2","2","1") = "6"
    & skf21("3","2","7","6","6","2","3","1") = "6"
    & skf21("3","2","7","6","6","2","4","1") = "6"
    & skf21("3","2","7","6","6","2","5","1") = "6"
    & skf21("3","2","7","6","6","2","6","1") = "6"
    & skf21("3","2","7","6","6","2","7","1") = "6"
    & skf21("3","2","7","6","6","3","1","1") = "6"
    & skf21("3","2","7","6","6","3","2","1") = "6"
    & skf21("3","2","7","6","6","3","3","1") = "6"
    & skf21("3","2","7","6","6","3","4","1") = "6"
    & skf21("3","2","7","6","6","3","5","1") = "6"
    & skf21("3","2","7","6","6","3","6","1") = "6"
    & skf21("3","2","7","6","6","3","7","1") = "6"
    & skf21("3","2","7","6","6","4","1","1") = "6"
    & skf21("3","2","7","6","6","4","2","1") = "6"
    & skf21("3","2","7","6","6","4","3","1") = "6"
    & skf21("3","2","7","6","6","4","4","1") = "6"
    & skf21("3","2","7","6","6","4","5","1") = "6"
    & skf21("3","2","7","6","6","4","6","1") = "6"
    & skf21("3","2","7","6","6","4","7","1") = "6"
    & skf21("3","2","7","6","6","5","1","1") = "6"
    & skf21("3","2","7","6","6","5","2","1") = "6"
    & skf21("3","2","7","6","6","5","3","1") = "6"
    & skf21("3","2","7","6","6","5","4","1") = "6"
    & skf21("3","2","7","6","6","5","5","1") = "6"
    & skf21("3","2","7","6","6","5","6","1") = "6"
    & skf21("3","2","7","6","6","5","7","1") = "6"
    & skf21("3","2","7","6","6","6","1","1") = "6"
    & skf21("3","2","7","6","6","6","2","1") = "6"
    & skf21("3","2","7","6","6","6","3","1") = "6"
    & skf21("3","2","7","6","6","6","4","1") = "6"
    & skf21("3","2","7","6","6","6","5","1") = "6"
    & skf21("3","2","7","6","6","6","6","1") = "6"
    & skf21("3","2","7","6","6","6","7","1") = "6"
    & skf21("3","2","7","6","6","7","1","1") = "6"
    & skf21("3","2","7","6","6","7","2","1") = "6"
    & skf21("3","2","7","6","6","7","3","1") = "6"
    & skf21("3","2","7","6","6","7","4","1") = "6"
    & skf21("3","2","7","6","6","7","5","1") = "6"
    & skf21("3","2","7","6","6","7","6","1") = "6"
    & skf21("3","2","7","6","6","7","7","1") = "6"
    & skf21("3","2","7","6","7","1","1","1") = "6"
    & skf21("3","2","7","6","7","1","2","1") = "6"
    & skf21("3","2","7","6","7","1","3","1") = "6"
    & skf21("3","2","7","6","7","1","4","1") = "6"
    & skf21("3","2","7","6","7","1","5","1") = "6"
    & skf21("3","2","7","6","7","1","6","1") = "6"
    & skf21("3","2","7","6","7","1","7","1") = "6"
    & skf21("3","2","7","6","7","2","1","1") = "6"
    & skf21("3","2","7","6","7","2","2","1") = "6"
    & skf21("3","2","7","6","7","2","3","1") = "6"
    & skf21("3","2","7","6","7","2","4","1") = "6"
    & skf21("3","2","7","6","7","2","5","1") = "6"
    & skf21("3","2","7","6","7","2","6","1") = "6"
    & skf21("3","2","7","6","7","2","7","1") = "6"
    & skf21("3","2","7","6","7","3","1","1") = "6"
    & skf21("3","2","7","6","7","3","2","1") = "6"
    & skf21("3","2","7","6","7","3","3","1") = "6"
    & skf21("3","2","7","6","7","3","4","1") = "6"
    & skf21("3","2","7","6","7","3","5","1") = "6"
    & skf21("3","2","7","6","7","3","6","1") = "6"
    & skf21("3","2","7","6","7","3","7","1") = "6"
    & skf21("3","2","7","6","7","4","1","1") = "6"
    & skf21("3","2","7","6","7","4","2","1") = "6"
    & skf21("3","2","7","6","7","4","3","1") = "6"
    & skf21("3","2","7","6","7","4","4","1") = "6"
    & skf21("3","2","7","6","7","4","5","1") = "6"
    & skf21("3","2","7","6","7","4","6","1") = "6"
    & skf21("3","2","7","6","7","4","7","1") = "6"
    & skf21("3","2","7","6","7","5","1","1") = "6"
    & skf21("3","2","7","6","7","5","2","1") = "6"
    & skf21("3","2","7","6","7","5","3","1") = "6"
    & skf21("3","2","7","6","7","5","4","1") = "6"
    & skf21("3","2","7","6","7","5","5","1") = "6"
    & skf21("3","2","7","6","7","5","6","1") = "6"
    & skf21("3","2","7","6","7","5","7","1") = "6"
    & skf21("3","2","7","6","7","6","1","1") = "6"
    & skf21("3","2","7","6","7","6","2","1") = "6"
    & skf21("3","2","7","6","7","6","3","1") = "6"
    & skf21("3","2","7","6","7","6","4","1") = "6"
    & skf21("3","2","7","6","7","6","5","1") = "6"
    & skf21("3","2","7","6","7","6","6","1") = "6"
    & skf21("3","2","7","6","7","6","7","1") = "6"
    & skf21("3","2","7","6","7","7","1","1") = "6"
    & skf21("3","2","7","6","7","7","2","1") = "6"
    & skf21("3","2","7","6","7","7","3","1") = "6"
    & skf21("3","2","7","6","7","7","4","1") = "6"
    & skf21("3","2","7","6","7","7","5","1") = "6"
    & skf21("3","2","7","6","7","7","6","1") = "6"
    & skf21("3","2","7","6","7","7","7","1") = "6"
    & skf21("3","2","7","7","1","1","1","1") = "6"
    & skf21("3","2","7","7","1","1","2","1") = "6"
    & skf21("3","2","7","7","1","1","3","1") = "6"
    & skf21("3","2","7","7","1","1","4","1") = "6"
    & skf21("3","2","7","7","1","1","5","1") = "6"
    & skf21("3","2","7","7","1","1","6","1") = "6"
    & skf21("3","2","7","7","1","1","7","1") = "6"
    & skf21("3","2","7","7","1","2","1","1") = "6"
    & skf21("3","2","7","7","1","2","2","1") = "6"
    & skf21("3","2","7","7","1","2","3","1") = "6"
    & skf21("3","2","7","7","1","2","4","1") = "6"
    & skf21("3","2","7","7","1","2","5","1") = "6"
    & skf21("3","2","7","7","1","2","6","1") = "6"
    & skf21("3","2","7","7","1","2","7","1") = "6"
    & skf21("3","2","7","7","1","3","1","1") = "6"
    & skf21("3","2","7","7","1","3","2","1") = "6"
    & skf21("3","2","7","7","1","3","3","1") = "6"
    & skf21("3","2","7","7","1","3","4","1") = "6"
    & skf21("3","2","7","7","1","3","5","1") = "6"
    & skf21("3","2","7","7","1","3","6","1") = "6"
    & skf21("3","2","7","7","1","3","7","1") = "6"
    & skf21("3","2","7","7","1","4","1","1") = "6"
    & skf21("3","2","7","7","1","4","2","1") = "6"
    & skf21("3","2","7","7","1","4","3","1") = "6"
    & skf21("3","2","7","7","1","4","4","1") = "6"
    & skf21("3","2","7","7","1","4","5","1") = "6"
    & skf21("3","2","7","7","1","4","6","1") = "6"
    & skf21("3","2","7","7","1","4","7","1") = "6"
    & skf21("3","2","7","7","1","5","1","1") = "6"
    & skf21("3","2","7","7","1","5","2","1") = "6"
    & skf21("3","2","7","7","1","5","3","1") = "6"
    & skf21("3","2","7","7","1","5","4","1") = "6"
    & skf21("3","2","7","7","1","5","5","1") = "6"
    & skf21("3","2","7","7","1","5","6","1") = "6"
    & skf21("3","2","7","7","1","5","7","1") = "6"
    & skf21("3","2","7","7","1","6","1","1") = "6"
    & skf21("3","2","7","7","1","6","2","1") = "6"
    & skf21("3","2","7","7","1","6","3","1") = "6"
    & skf21("3","2","7","7","1","6","4","1") = "6"
    & skf21("3","2","7","7","1","6","5","1") = "6"
    & skf21("3","2","7","7","1","6","6","1") = "6"
    & skf21("3","2","7","7","1","6","7","1") = "6"
    & skf21("3","2","7","7","1","7","1","1") = "6"
    & skf21("3","2","7","7","1","7","2","1") = "6"
    & skf21("3","2","7","7","1","7","3","1") = "6"
    & skf21("3","2","7","7","1","7","4","1") = "6"
    & skf21("3","2","7","7","1","7","5","1") = "6"
    & skf21("3","2","7","7","1","7","6","1") = "6"
    & skf21("3","2","7","7","1","7","7","1") = "6"
    & skf21("3","2","7","7","2","1","1","1") = "6"
    & skf21("3","2","7","7","2","1","2","1") = "6"
    & skf21("3","2","7","7","2","1","3","1") = "6"
    & skf21("3","2","7","7","2","1","4","1") = "6"
    & skf21("3","2","7","7","2","1","5","1") = "6"
    & skf21("3","2","7","7","2","1","6","1") = "6"
    & skf21("3","2","7","7","2","1","7","1") = "6"
    & skf21("3","2","7","7","2","2","1","1") = "6"
    & skf21("3","2","7","7","2","2","2","1") = "6"
    & skf21("3","2","7","7","2","2","3","1") = "6"
    & skf21("3","2","7","7","2","2","4","1") = "6"
    & skf21("3","2","7","7","2","2","5","1") = "6"
    & skf21("3","2","7","7","2","2","6","1") = "6"
    & skf21("3","2","7","7","2","2","7","1") = "6"
    & skf21("3","2","7","7","2","3","1","1") = "6"
    & skf21("3","2","7","7","2","3","2","1") = "6"
    & skf21("3","2","7","7","2","3","3","1") = "6"
    & skf21("3","2","7","7","2","3","4","1") = "6"
    & skf21("3","2","7","7","2","3","5","1") = "6"
    & skf21("3","2","7","7","2","3","6","1") = "6"
    & skf21("3","2","7","7","2","3","7","1") = "6"
    & skf21("3","2","7","7","2","4","1","1") = "6"
    & skf21("3","2","7","7","2","4","2","1") = "6"
    & skf21("3","2","7","7","2","4","3","1") = "6"
    & skf21("3","2","7","7","2","4","4","1") = "6"
    & skf21("3","2","7","7","2","4","5","1") = "6"
    & skf21("3","2","7","7","2","4","6","1") = "6"
    & skf21("3","2","7","7","2","4","7","1") = "6"
    & skf21("3","2","7","7","2","5","1","1") = "6"
    & skf21("3","2","7","7","2","5","2","1") = "6"
    & skf21("3","2","7","7","2","5","3","1") = "6"
    & skf21("3","2","7","7","2","5","4","1") = "6"
    & skf21("3","2","7","7","2","5","5","1") = "6"
    & skf21("3","2","7","7","2","5","6","1") = "6"
    & skf21("3","2","7","7","2","5","7","1") = "6"
    & skf21("3","2","7","7","2","6","1","1") = "6"
    & skf21("3","2","7","7","2","6","2","1") = "6"
    & skf21("3","2","7","7","2","6","3","1") = "6"
    & skf21("3","2","7","7","2","6","4","1") = "6"
    & skf21("3","2","7","7","2","6","5","1") = "6"
    & skf21("3","2","7","7","2","6","6","1") = "6"
    & skf21("3","2","7","7","2","6","7","1") = "6"
    & skf21("3","2","7","7","2","7","1","1") = "6"
    & skf21("3","2","7","7","2","7","2","1") = "6"
    & skf21("3","2","7","7","2","7","3","1") = "6"
    & skf21("3","2","7","7","2","7","4","1") = "6"
    & skf21("3","2","7","7","2","7","5","1") = "6"
    & skf21("3","2","7","7","2","7","6","1") = "6"
    & skf21("3","2","7","7","2","7","7","1") = "6"
    & skf21("3","2","7","7","3","1","1","1") = "6"
    & skf21("3","2","7","7","3","1","2","1") = "6"
    & skf21("3","2","7","7","3","1","3","1") = "6"
    & skf21("3","2","7","7","3","1","4","1") = "6"
    & skf21("3","2","7","7","3","1","5","1") = "6"
    & skf21("3","2","7","7","3","1","6","1") = "6"
    & skf21("3","2","7","7","3","1","7","1") = "6"
    & skf21("3","2","7","7","3","2","1","1") = "6"
    & skf21("3","2","7","7","3","2","2","1") = "6"
    & skf21("3","2","7","7","3","2","3","1") = "6"
    & skf21("3","2","7","7","3","2","4","1") = "6"
    & skf21("3","2","7","7","3","2","5","1") = "6"
    & skf21("3","2","7","7","3","2","6","1") = "6"
    & skf21("3","2","7","7","3","2","7","1") = "6"
    & skf21("3","2","7","7","3","3","1","1") = "6"
    & skf21("3","2","7","7","3","3","2","1") = "6"
    & skf21("3","2","7","7","3","3","3","1") = "6"
    & skf21("3","2","7","7","3","3","4","1") = "6"
    & skf21("3","2","7","7","3","3","5","1") = "6"
    & skf21("3","2","7","7","3","3","6","1") = "6"
    & skf21("3","2","7","7","3","3","7","1") = "6"
    & skf21("3","2","7","7","3","4","1","1") = "6"
    & skf21("3","2","7","7","3","4","2","1") = "6"
    & skf21("3","2","7","7","3","4","3","1") = "6"
    & skf21("3","2","7","7","3","4","4","1") = "6"
    & skf21("3","2","7","7","3","4","5","1") = "6"
    & skf21("3","2","7","7","3","4","6","1") = "6"
    & skf21("3","2","7","7","3","4","7","1") = "6"
    & skf21("3","2","7","7","3","5","1","1") = "6"
    & skf21("3","2","7","7","3","5","2","1") = "6"
    & skf21("3","2","7","7","3","5","3","1") = "6"
    & skf21("3","2","7","7","3","5","4","1") = "6"
    & skf21("3","2","7","7","3","5","5","1") = "6"
    & skf21("3","2","7","7","3","5","6","1") = "6"
    & skf21("3","2","7","7","3","5","7","1") = "6"
    & skf21("3","2","7","7","3","6","1","1") = "6"
    & skf21("3","2","7","7","3","6","2","1") = "6"
    & skf21("3","2","7","7","3","6","3","1") = "6"
    & skf21("3","2","7","7","3","6","4","1") = "6"
    & skf21("3","2","7","7","3","6","5","1") = "6"
    & skf21("3","2","7","7","3","6","6","1") = "6"
    & skf21("3","2","7","7","3","6","7","1") = "6"
    & skf21("3","2","7","7","3","7","1","1") = "6"
    & skf21("3","2","7","7","3","7","2","1") = "6"
    & skf21("3","2","7","7","3","7","3","1") = "6"
    & skf21("3","2","7","7","3","7","4","1") = "6"
    & skf21("3","2","7","7","3","7","5","1") = "6"
    & skf21("3","2","7","7","3","7","6","1") = "6"
    & skf21("3","2","7","7","3","7","7","1") = "6"
    & skf21("3","2","7","7","4","1","1","1") = "6"
    & skf21("3","2","7","7","4","1","2","1") = "6"
    & skf21("3","2","7","7","4","1","3","1") = "6"
    & skf21("3","2","7","7","4","1","4","1") = "6"
    & skf21("3","2","7","7","4","1","5","1") = "6"
    & skf21("3","2","7","7","4","1","6","1") = "6"
    & skf21("3","2","7","7","4","1","7","1") = "6"
    & skf21("3","2","7","7","4","2","1","1") = "6"
    & skf21("3","2","7","7","4","2","2","1") = "6"
    & skf21("3","2","7","7","4","2","3","1") = "6"
    & skf21("3","2","7","7","4","2","4","1") = "6"
    & skf21("3","2","7","7","4","2","5","1") = "6"
    & skf21("3","2","7","7","4","2","6","1") = "6"
    & skf21("3","2","7","7","4","2","7","1") = "6"
    & skf21("3","2","7","7","4","3","1","1") = "6"
    & skf21("3","2","7","7","4","3","2","1") = "6"
    & skf21("3","2","7","7","4","3","3","1") = "6"
    & skf21("3","2","7","7","4","3","4","1") = "6"
    & skf21("3","2","7","7","4","3","5","1") = "6"
    & skf21("3","2","7","7","4","3","6","1") = "6"
    & skf21("3","2","7","7","4","3","7","1") = "6"
    & skf21("3","2","7","7","4","4","1","1") = "6"
    & skf21("3","2","7","7","4","4","2","1") = "6"
    & skf21("3","2","7","7","4","4","3","1") = "6"
    & skf21("3","2","7","7","4","4","4","1") = "6"
    & skf21("3","2","7","7","4","4","5","1") = "6"
    & skf21("3","2","7","7","4","4","6","1") = "6"
    & skf21("3","2","7","7","4","4","7","1") = "6"
    & skf21("3","2","7","7","4","5","1","1") = "6"
    & skf21("3","2","7","7","4","5","2","1") = "6"
    & skf21("3","2","7","7","4","5","3","1") = "6"
    & skf21("3","2","7","7","4","5","4","1") = "6"
    & skf21("3","2","7","7","4","5","5","1") = "6"
    & skf21("3","2","7","7","4","5","6","1") = "6"
    & skf21("3","2","7","7","4","5","7","1") = "6"
    & skf21("3","2","7","7","4","6","1","1") = "6"
    & skf21("3","2","7","7","4","6","2","1") = "6"
    & skf21("3","2","7","7","4","6","3","1") = "6"
    & skf21("3","2","7","7","4","6","4","1") = "6"
    & skf21("3","2","7","7","4","6","5","1") = "6"
    & skf21("3","2","7","7","4","6","6","1") = "6"
    & skf21("3","2","7","7","4","6","7","1") = "6"
    & skf21("3","2","7","7","4","7","1","1") = "6"
    & skf21("3","2","7","7","4","7","2","1") = "6"
    & skf21("3","2","7","7","4","7","3","1") = "6"
    & skf21("3","2","7","7","4","7","4","1") = "6"
    & skf21("3","2","7","7","4","7","5","1") = "6"
    & skf21("3","2","7","7","4","7","6","1") = "6"
    & skf21("3","2","7","7","4","7","7","1") = "6"
    & skf21("3","2","7","7","5","1","1","1") = "6"
    & skf21("3","2","7","7","5","1","2","1") = "6"
    & skf21("3","2","7","7","5","1","3","1") = "6"
    & skf21("3","2","7","7","5","1","4","1") = "6"
    & skf21("3","2","7","7","5","1","5","1") = "6"
    & skf21("3","2","7","7","5","1","6","1") = "6"
    & skf21("3","2","7","7","5","1","7","1") = "6"
    & skf21("3","2","7","7","5","2","1","1") = "6"
    & skf21("3","2","7","7","5","2","2","1") = "6"
    & skf21("3","2","7","7","5","2","3","1") = "6"
    & skf21("3","2","7","7","5","2","4","1") = "6"
    & skf21("3","2","7","7","5","2","5","1") = "6"
    & skf21("3","2","7","7","5","2","6","1") = "6"
    & skf21("3","2","7","7","5","2","7","1") = "6"
    & skf21("3","2","7","7","5","3","1","1") = "6"
    & skf21("3","2","7","7","5","3","2","1") = "6"
    & skf21("3","2","7","7","5","3","3","1") = "6"
    & skf21("3","2","7","7","5","3","4","1") = "6"
    & skf21("3","2","7","7","5","3","5","1") = "6"
    & skf21("3","2","7","7","5","3","6","1") = "6"
    & skf21("3","2","7","7","5","3","7","1") = "6"
    & skf21("3","2","7","7","5","4","1","1") = "6"
    & skf21("3","2","7","7","5","4","2","1") = "6"
    & skf21("3","2","7","7","5","4","3","1") = "6"
    & skf21("3","2","7","7","5","4","4","1") = "6"
    & skf21("3","2","7","7","5","4","5","1") = "6"
    & skf21("3","2","7","7","5","4","6","1") = "6"
    & skf21("3","2","7","7","5","4","7","1") = "6"
    & skf21("3","2","7","7","5","5","1","1") = "6"
    & skf21("3","2","7","7","5","5","2","1") = "6"
    & skf21("3","2","7","7","5","5","3","1") = "6"
    & skf21("3","2","7","7","5","5","4","1") = "6"
    & skf21("3","2","7","7","5","5","5","1") = "6"
    & skf21("3","2","7","7","5","5","6","1") = "6"
    & skf21("3","2","7","7","5","5","7","1") = "6"
    & skf21("3","2","7","7","5","6","1","1") = "6"
    & skf21("3","2","7","7","5","6","2","1") = "6"
    & skf21("3","2","7","7","5","6","3","1") = "6"
    & skf21("3","2","7","7","5","6","4","1") = "6"
    & skf21("3","2","7","7","5","6","5","1") = "6"
    & skf21("3","2","7","7","5","6","6","1") = "6"
    & skf21("3","2","7","7","5","6","7","1") = "6"
    & skf21("3","2","7","7","5","7","1","1") = "6"
    & skf21("3","2","7","7","5","7","2","1") = "6"
    & skf21("3","2","7","7","5","7","3","1") = "6"
    & skf21("3","2","7","7","5","7","4","1") = "6"
    & skf21("3","2","7","7","5","7","5","1") = "6"
    & skf21("3","2","7","7","5","7","6","1") = "6"
    & skf21("3","2","7","7","5","7","7","1") = "6"
    & skf21("3","2","7","7","6","1","1","1") = "6"
    & skf21("3","2","7","7","6","1","2","1") = "6"
    & skf21("3","2","7","7","6","1","3","1") = "6"
    & skf21("3","2","7","7","6","1","4","1") = "6"
    & skf21("3","2","7","7","6","1","5","1") = "6"
    & skf21("3","2","7","7","6","1","6","1") = "6"
    & skf21("3","2","7","7","6","1","7","1") = "6"
    & skf21("3","2","7","7","6","2","1","1") = "6"
    & skf21("3","2","7","7","6","2","2","1") = "6"
    & skf21("3","2","7","7","6","2","3","1") = "6"
    & skf21("3","2","7","7","6","2","4","1") = "6"
    & skf21("3","2","7","7","6","2","5","1") = "6"
    & skf21("3","2","7","7","6","2","6","1") = "6"
    & skf21("3","2","7","7","6","2","7","1") = "6"
    & skf21("3","2","7","7","6","3","1","1") = "6"
    & skf21("3","2","7","7","6","3","2","1") = "6"
    & skf21("3","2","7","7","6","3","3","1") = "6"
    & skf21("3","2","7","7","6","3","4","1") = "6"
    & skf21("3","2","7","7","6","3","5","1") = "6"
    & skf21("3","2","7","7","6","3","6","1") = "6"
    & skf21("3","2","7","7","6","3","7","1") = "6"
    & skf21("3","2","7","7","6","4","1","1") = "6"
    & skf21("3","2","7","7","6","4","2","1") = "6"
    & skf21("3","2","7","7","6","4","3","1") = "6"
    & skf21("3","2","7","7","6","4","4","1") = "6"
    & skf21("3","2","7","7","6","4","5","1") = "6"
    & skf21("3","2","7","7","6","4","6","1") = "6"
    & skf21("3","2","7","7","6","4","7","1") = "6"
    & skf21("3","2","7","7","6","5","1","1") = "6"
    & skf21("3","2","7","7","6","5","2","1") = "6"
    & skf21("3","2","7","7","6","5","3","1") = "6"
    & skf21("3","2","7","7","6","5","4","1") = "6"
    & skf21("3","2","7","7","6","5","5","1") = "6"
    & skf21("3","2","7","7","6","5","6","1") = "6"
    & skf21("3","2","7","7","6","5","7","1") = "6"
    & skf21("3","2","7","7","6","6","1","1") = "6"
    & skf21("3","2","7","7","6","6","2","1") = "6"
    & skf21("3","2","7","7","6","6","3","1") = "6"
    & skf21("3","2","7","7","6","6","4","1") = "6"
    & skf21("3","2","7","7","6","6","5","1") = "6"
    & skf21("3","2","7","7","6","6","6","1") = "6"
    & skf21("3","2","7","7","6","6","7","1") = "6"
    & skf21("3","2","7","7","6","7","1","1") = "6"
    & skf21("3","2","7","7","6","7","2","1") = "6"
    & skf21("3","2","7","7","6","7","3","1") = "6"
    & skf21("3","2","7","7","6","7","4","1") = "6"
    & skf21("3","2","7","7","6","7","5","1") = "6"
    & skf21("3","2","7","7","6","7","6","1") = "6"
    & skf21("3","2","7","7","6","7","7","1") = "6"
    & skf21("3","2","7","7","7","1","1","1") = "6"
    & skf21("3","2","7","7","7","1","2","1") = "6"
    & skf21("3","2","7","7","7","1","3","1") = "6"
    & skf21("3","2","7","7","7","1","4","1") = "6"
    & skf21("3","2","7","7","7","1","5","1") = "6"
    & skf21("3","2","7","7","7","1","6","1") = "6"
    & skf21("3","2","7","7","7","1","7","1") = "6"
    & skf21("3","2","7","7","7","2","1","1") = "6"
    & skf21("3","2","7","7","7","2","2","1") = "6"
    & skf21("3","2","7","7","7","2","3","1") = "6"
    & skf21("3","2","7","7","7","2","4","1") = "6"
    & skf21("3","2","7","7","7","2","5","1") = "6"
    & skf21("3","2","7","7","7","2","6","1") = "6"
    & skf21("3","2","7","7","7","2","7","1") = "6"
    & skf21("3","2","7","7","7","3","1","1") = "6"
    & skf21("3","2","7","7","7","3","2","1") = "6"
    & skf21("3","2","7","7","7","3","3","1") = "6"
    & skf21("3","2","7","7","7","3","4","1") = "6"
    & skf21("3","2","7","7","7","3","5","1") = "6"
    & skf21("3","2","7","7","7","3","6","1") = "6"
    & skf21("3","2","7","7","7","3","7","1") = "6"
    & skf21("3","2","7","7","7","4","1","1") = "6"
    & skf21("3","2","7","7","7","4","2","1") = "6"
    & skf21("3","2","7","7","7","4","3","1") = "6"
    & skf21("3","2","7","7","7","4","4","1") = "6"
    & skf21("3","2","7","7","7","4","5","1") = "6"
    & skf21("3","2","7","7","7","4","6","1") = "6"
    & skf21("3","2","7","7","7","4","7","1") = "6"
    & skf21("3","2","7","7","7","5","1","1") = "6"
    & skf21("3","2","7","7","7","5","2","1") = "6"
    & skf21("3","2","7","7","7","5","3","1") = "6"
    & skf21("3","2","7","7","7","5","4","1") = "6"
    & skf21("3","2","7","7","7","5","5","1") = "6"
    & skf21("3","2","7","7","7","5","6","1") = "6"
    & skf21("3","2","7","7","7","5","7","1") = "6"
    & skf21("3","2","7","7","7","6","1","1") = "6"
    & skf21("3","2","7","7","7","6","2","1") = "6"
    & skf21("3","2","7","7","7","6","3","1") = "6"
    & skf21("3","2","7","7","7","6","4","1") = "6"
    & skf21("3","2","7","7","7","6","5","1") = "6"
    & skf21("3","2","7","7","7","6","6","1") = "6"
    & skf21("3","2","7","7","7","6","7","1") = "6"
    & skf21("3","2","7","7","7","7","1","1") = "6"
    & skf21("3","2","7","7","7","7","2","1") = "6"
    & skf21("3","2","7","7","7","7","3","1") = "6"
    & skf21("3","2","7","7","7","7","4","1") = "6"
    & skf21("3","2","7","7","7","7","5","1") = "6"
    & skf21("3","2","7","7","7","7","6","1") = "6"
    & skf21("3","2","7","7","7","7","7","1") = "6"
    & skf21("3","3","1","1","1","1","1","1") = "2"
    & skf21("3","3","1","1","1","1","2","1") = "2"
    & skf21("3","3","1","1","1","1","3","1") = "2"
    & skf21("3","3","1","1","1","1","4","1") = "3"
    & skf21("3","3","1","1","1","1","5","1") = "4"
    & skf21("3","3","1","1","1","1","6","1") = "5"
    & skf21("3","3","1","1","1","1","7","1") = "6"
    & skf21("3","3","1","1","1","2","1","1") = "2"
    & skf21("3","3","1","1","1","2","2","1") = "2"
    & skf21("3","3","1","1","1","2","3","1") = "2"
    & skf21("3","3","1","1","1","2","4","1") = "3"
    & skf21("3","3","1","1","1","2","5","1") = "4"
    & skf21("3","3","1","1","1","2","6","1") = "5"
    & skf21("3","3","1","1","1","2","7","1") = "6"
    & skf21("3","3","1","1","1","3","1","1") = "2"
    & skf21("3","3","1","1","1","3","2","1") = "2"
    & skf21("3","3","1","1","1","3","3","1") = "2"
    & skf21("3","3","1","1","1","3","4","1") = "3"
    & skf21("3","3","1","1","1","3","5","1") = "4"
    & skf21("3","3","1","1","1","3","6","1") = "5"
    & skf21("3","3","1","1","1","3","7","1") = "6"
    & skf21("3","3","1","1","1","4","1","1") = "3"
    & skf21("3","3","1","1","1","4","2","1") = "3"
    & skf21("3","3","1","1","1","4","3","1") = "3"
    & skf21("3","3","1","1","1","4","4","1") = "3"
    & skf21("3","3","1","1","1","4","5","1") = "4"
    & skf21("3","3","1","1","1","4","6","1") = "5"
    & skf21("3","3","1","1","1","4","7","1") = "6"
    & skf21("3","3","1","1","1","5","1","1") = "4"
    & skf21("3","3","1","1","1","5","2","1") = "4"
    & skf21("3","3","1","1","1","5","3","1") = "4"
    & skf21("3","3","1","1","1","5","4","1") = "4"
    & skf21("3","3","1","1","1","5","5","1") = "4"
    & skf21("3","3","1","1","1","5","6","1") = "5"
    & skf21("3","3","1","1","1","5","7","1") = "6"
    & skf21("3","3","1","1","1","6","1","1") = "5"
    & skf21("3","3","1","1","1","6","2","1") = "5"
    & skf21("3","3","1","1","1","6","3","1") = "5"
    & skf21("3","3","1","1","1","6","4","1") = "5"
    & skf21("3","3","1","1","1","6","5","1") = "5"
    & skf21("3","3","1","1","1","6","6","1") = "5"
    & skf21("3","3","1","1","1","6","7","1") = "6"
    & skf21("3","3","1","1","1","7","1","1") = "6"
    & skf21("3","3","1","1","1","7","2","1") = "6"
    & skf21("3","3","1","1","1","7","3","1") = "6"
    & skf21("3","3","1","1","1","7","4","1") = "6"
    & skf21("3","3","1","1","1","7","5","1") = "6"
    & skf21("3","3","1","1","1","7","6","1") = "6"
    & skf21("3","3","1","1","1","7","7","1") = "6"
    & skf21("3","3","1","1","2","1","1","1") = "2"
    & skf21("3","3","1","1","2","1","2","1") = "2"
    & skf21("3","3","1","1","2","1","3","1") = "2"
    & skf21("3","3","1","1","2","1","4","1") = "3"
    & skf21("3","3","1","1","2","1","5","1") = "4"
    & skf21("3","3","1","1","2","1","6","1") = "5"
    & skf21("3","3","1","1","2","1","7","1") = "6"
    & skf21("3","3","1","1","2","2","1","1") = "2"
    & skf21("3","3","1","1","2","2","2","1") = "2"
    & skf21("3","3","1","1","2","2","3","1") = "2"
    & skf21("3","3","1","1","2","2","4","1") = "3"
    & skf21("3","3","1","1","2","2","5","1") = "4"
    & skf21("3","3","1","1","2","2","6","1") = "5"
    & skf21("3","3","1","1","2","2","7","1") = "6"
    & skf21("3","3","1","1","2","3","1","1") = "2"
    & skf21("3","3","1","1","2","3","2","1") = "2"
    & skf21("3","3","1","1","2","3","3","1") = "2"
    & skf21("3","3","1","1","2","3","4","1") = "3"
    & skf21("3","3","1","1","2","3","5","1") = "4"
    & skf21("3","3","1","1","2","3","6","1") = "5"
    & skf21("3","3","1","1","2","3","7","1") = "6"
    & skf21("3","3","1","1","2","4","1","1") = "3"
    & skf21("3","3","1","1","2","4","2","1") = "3"
    & skf21("3","3","1","1","2","4","3","1") = "3"
    & skf21("3","3","1","1","2","4","4","1") = "3"
    & skf21("3","3","1","1","2","4","5","1") = "4"
    & skf21("3","3","1","1","2","4","6","1") = "5"
    & skf21("3","3","1","1","2","4","7","1") = "6"
    & skf21("3","3","1","1","2","5","1","1") = "4"
    & skf21("3","3","1","1","2","5","2","1") = "4"
    & skf21("3","3","1","1","2","5","3","1") = "4"
    & skf21("3","3","1","1","2","5","4","1") = "4"
    & skf21("3","3","1","1","2","5","5","1") = "4"
    & skf21("3","3","1","1","2","5","6","1") = "5"
    & skf21("3","3","1","1","2","5","7","1") = "6"
    & skf21("3","3","1","1","2","6","1","1") = "5"
    & skf21("3","3","1","1","2","6","2","1") = "5"
    & skf21("3","3","1","1","2","6","3","1") = "5"
    & skf21("3","3","1","1","2","6","4","1") = "5"
    & skf21("3","3","1","1","2","6","5","1") = "5"
    & skf21("3","3","1","1","2","6","6","1") = "5"
    & skf21("3","3","1","1","2","6","7","1") = "6"
    & skf21("3","3","1","1","2","7","1","1") = "6"
    & skf21("3","3","1","1","2","7","2","1") = "6"
    & skf21("3","3","1","1","2","7","3","1") = "6"
    & skf21("3","3","1","1","2","7","4","1") = "6"
    & skf21("3","3","1","1","2","7","5","1") = "6"
    & skf21("3","3","1","1","2","7","6","1") = "6"
    & skf21("3","3","1","1","2","7","7","1") = "6"
    & skf21("3","3","1","1","3","1","1","1") = "2"
    & skf21("3","3","1","1","3","1","2","1") = "2"
    & skf21("3","3","1","1","3","1","3","1") = "2"
    & skf21("3","3","1","1","3","1","4","1") = "3"
    & skf21("3","3","1","1","3","1","5","1") = "4"
    & skf21("3","3","1","1","3","1","6","1") = "5"
    & skf21("3","3","1","1","3","1","7","1") = "6"
    & skf21("3","3","1","1","3","2","1","1") = "2"
    & skf21("3","3","1","1","3","2","2","1") = "2"
    & skf21("3","3","1","1","3","2","3","1") = "2"
    & skf21("3","3","1","1","3","2","4","1") = "3"
    & skf21("3","3","1","1","3","2","5","1") = "4"
    & skf21("3","3","1","1","3","2","6","1") = "5"
    & skf21("3","3","1","1","3","2","7","1") = "6"
    & skf21("3","3","1","1","3","3","1","1") = "2"
    & skf21("3","3","1","1","3","3","2","1") = "2"
    & skf21("3","3","1","1","3","3","3","1") = "2"
    & skf21("3","3","1","1","3","3","4","1") = "3"
    & skf21("3","3","1","1","3","3","5","1") = "4"
    & skf21("3","3","1","1","3","3","6","1") = "5"
    & skf21("3","3","1","1","3","3","7","1") = "6"
    & skf21("3","3","1","1","3","4","1","1") = "3"
    & skf21("3","3","1","1","3","4","2","1") = "3"
    & skf21("3","3","1","1","3","4","3","1") = "3"
    & skf21("3","3","1","1","3","4","4","1") = "3"
    & skf21("3","3","1","1","3","4","5","1") = "4"
    & skf21("3","3","1","1","3","4","6","1") = "5"
    & skf21("3","3","1","1","3","4","7","1") = "6"
    & skf21("3","3","1","1","3","5","1","1") = "4"
    & skf21("3","3","1","1","3","5","2","1") = "4"
    & skf21("3","3","1","1","3","5","3","1") = "4"
    & skf21("3","3","1","1","3","5","4","1") = "4"
    & skf21("3","3","1","1","3","5","5","1") = "4"
    & skf21("3","3","1","1","3","5","6","1") = "5"
    & skf21("3","3","1","1","3","5","7","1") = "6"
    & skf21("3","3","1","1","3","6","1","1") = "5"
    & skf21("3","3","1","1","3","6","2","1") = "5"
    & skf21("3","3","1","1","3","6","3","1") = "5"
    & skf21("3","3","1","1","3","6","4","1") = "5"
    & skf21("3","3","1","1","3","6","5","1") = "5"
    & skf21("3","3","1","1","3","6","6","1") = "5"
    & skf21("3","3","1","1","3","6","7","1") = "6"
    & skf21("3","3","1","1","3","7","1","1") = "6"
    & skf21("3","3","1","1","3","7","2","1") = "6"
    & skf21("3","3","1","1","3","7","3","1") = "6"
    & skf21("3","3","1","1","3","7","4","1") = "6"
    & skf21("3","3","1","1","3","7","5","1") = "6"
    & skf21("3","3","1","1","3","7","6","1") = "6"
    & skf21("3","3","1","1","3","7","7","1") = "6"
    & skf21("3","3","1","1","4","1","1","1") = "3"
    & skf21("3","3","1","1","4","1","2","1") = "3"
    & skf21("3","3","1","1","4","1","3","1") = "3"
    & skf21("3","3","1","1","4","1","4","1") = "3"
    & skf21("3","3","1","1","4","1","5","1") = "4"
    & skf21("3","3","1","1","4","1","6","1") = "5"
    & skf21("3","3","1","1","4","1","7","1") = "6"
    & skf21("3","3","1","1","4","2","1","1") = "3"
    & skf21("3","3","1","1","4","2","2","1") = "3"
    & skf21("3","3","1","1","4","2","3","1") = "3"
    & skf21("3","3","1","1","4","2","4","1") = "3"
    & skf21("3","3","1","1","4","2","5","1") = "4"
    & skf21("3","3","1","1","4","2","6","1") = "5"
    & skf21("3","3","1","1","4","2","7","1") = "6"
    & skf21("3","3","1","1","4","3","1","1") = "3"
    & skf21("3","3","1","1","4","3","2","1") = "3"
    & skf21("3","3","1","1","4","3","3","1") = "3"
    & skf21("3","3","1","1","4","3","4","1") = "3"
    & skf21("3","3","1","1","4","3","5","1") = "4"
    & skf21("3","3","1","1","4","3","6","1") = "5"
    & skf21("3","3","1","1","4","3","7","1") = "6"
    & skf21("3","3","1","1","4","4","1","1") = "3"
    & skf21("3","3","1","1","4","4","2","1") = "3"
    & skf21("3","3","1","1","4","4","3","1") = "3"
    & skf21("3","3","1","1","4","4","4","1") = "3"
    & skf21("3","3","1","1","4","4","5","1") = "4"
    & skf21("3","3","1","1","4","4","6","1") = "5"
    & skf21("3","3","1","1","4","4","7","1") = "6"
    & skf21("3","3","1","1","4","5","1","1") = "4"
    & skf21("3","3","1","1","4","5","2","1") = "4"
    & skf21("3","3","1","1","4","5","3","1") = "4"
    & skf21("3","3","1","1","4","5","4","1") = "4"
    & skf21("3","3","1","1","4","5","5","1") = "4"
    & skf21("3","3","1","1","4","5","6","1") = "5"
    & skf21("3","3","1","1","4","5","7","1") = "6"
    & skf21("3","3","1","1","4","6","1","1") = "5"
    & skf21("3","3","1","1","4","6","2","1") = "5"
    & skf21("3","3","1","1","4","6","3","1") = "5"
    & skf21("3","3","1","1","4","6","4","1") = "5"
    & skf21("3","3","1","1","4","6","5","1") = "5"
    & skf21("3","3","1","1","4","6","6","1") = "5"
    & skf21("3","3","1","1","4","6","7","1") = "6"
    & skf21("3","3","1","1","4","7","1","1") = "6"
    & skf21("3","3","1","1","4","7","2","1") = "6"
    & skf21("3","3","1","1","4","7","3","1") = "6"
    & skf21("3","3","1","1","4","7","4","1") = "6"
    & skf21("3","3","1","1","4","7","5","1") = "6"
    & skf21("3","3","1","1","4","7","6","1") = "6"
    & skf21("3","3","1","1","4","7","7","1") = "6"
    & skf21("3","3","1","1","5","1","1","1") = "4"
    & skf21("3","3","1","1","5","1","2","1") = "4"
    & skf21("3","3","1","1","5","1","3","1") = "4"
    & skf21("3","3","1","1","5","1","4","1") = "4"
    & skf21("3","3","1","1","5","1","5","1") = "4"
    & skf21("3","3","1","1","5","1","6","1") = "5"
    & skf21("3","3","1","1","5","1","7","1") = "6"
    & skf21("3","3","1","1","5","2","1","1") = "4"
    & skf21("3","3","1","1","5","2","2","1") = "4"
    & skf21("3","3","1","1","5","2","3","1") = "4"
    & skf21("3","3","1","1","5","2","4","1") = "4"
    & skf21("3","3","1","1","5","2","5","1") = "4"
    & skf21("3","3","1","1","5","2","6","1") = "5"
    & skf21("3","3","1","1","5","2","7","1") = "6"
    & skf21("3","3","1","1","5","3","1","1") = "4"
    & skf21("3","3","1","1","5","3","2","1") = "4"
    & skf21("3","3","1","1","5","3","3","1") = "4"
    & skf21("3","3","1","1","5","3","4","1") = "4"
    & skf21("3","3","1","1","5","3","5","1") = "4"
    & skf21("3","3","1","1","5","3","6","1") = "5"
    & skf21("3","3","1","1","5","3","7","1") = "6"
    & skf21("3","3","1","1","5","4","1","1") = "4"
    & skf21("3","3","1","1","5","4","2","1") = "4"
    & skf21("3","3","1","1","5","4","3","1") = "4"
    & skf21("3","3","1","1","5","4","4","1") = "4"
    & skf21("3","3","1","1","5","4","5","1") = "4"
    & skf21("3","3","1","1","5","4","6","1") = "5"
    & skf21("3","3","1","1","5","4","7","1") = "6"
    & skf21("3","3","1","1","5","5","1","1") = "4"
    & skf21("3","3","1","1","5","5","2","1") = "4"
    & skf21("3","3","1","1","5","5","3","1") = "4"
    & skf21("3","3","1","1","5","5","4","1") = "4"
    & skf21("3","3","1","1","5","5","5","1") = "4"
    & skf21("3","3","1","1","5","5","6","1") = "5"
    & skf21("3","3","1","1","5","5","7","1") = "6"
    & skf21("3","3","1","1","5","6","1","1") = "5"
    & skf21("3","3","1","1","5","6","2","1") = "5"
    & skf21("3","3","1","1","5","6","3","1") = "5"
    & skf21("3","3","1","1","5","6","4","1") = "5"
    & skf21("3","3","1","1","5","6","5","1") = "5"
    & skf21("3","3","1","1","5","6","6","1") = "5"
    & skf21("3","3","1","1","5","6","7","1") = "6"
    & skf21("3","3","1","1","5","7","1","1") = "6"
    & skf21("3","3","1","1","5","7","2","1") = "6"
    & skf21("3","3","1","1","5","7","3","1") = "6"
    & skf21("3","3","1","1","5","7","4","1") = "6"
    & skf21("3","3","1","1","5","7","5","1") = "6"
    & skf21("3","3","1","1","5","7","6","1") = "6"
    & skf21("3","3","1","1","5","7","7","1") = "6"
    & skf21("3","3","1","1","6","1","1","1") = "5"
    & skf21("3","3","1","1","6","1","2","1") = "5"
    & skf21("3","3","1","1","6","1","3","1") = "5"
    & skf21("3","3","1","1","6","1","4","1") = "5"
    & skf21("3","3","1","1","6","1","5","1") = "5"
    & skf21("3","3","1","1","6","1","6","1") = "5"
    & skf21("3","3","1","1","6","1","7","1") = "6"
    & skf21("3","3","1","1","6","2","1","1") = "5"
    & skf21("3","3","1","1","6","2","2","1") = "5"
    & skf21("3","3","1","1","6","2","3","1") = "5"
    & skf21("3","3","1","1","6","2","4","1") = "5"
    & skf21("3","3","1","1","6","2","5","1") = "5"
    & skf21("3","3","1","1","6","2","6","1") = "5"
    & skf21("3","3","1","1","6","2","7","1") = "6"
    & skf21("3","3","1","1","6","3","1","1") = "5"
    & skf21("3","3","1","1","6","3","2","1") = "5"
    & skf21("3","3","1","1","6","3","3","1") = "5"
    & skf21("3","3","1","1","6","3","4","1") = "5"
    & skf21("3","3","1","1","6","3","5","1") = "5"
    & skf21("3","3","1","1","6","3","6","1") = "5"
    & skf21("3","3","1","1","6","3","7","1") = "6"
    & skf21("3","3","1","1","6","4","1","1") = "5"
    & skf21("3","3","1","1","6","4","2","1") = "5"
    & skf21("3","3","1","1","6","4","3","1") = "5"
    & skf21("3","3","1","1","6","4","4","1") = "5"
    & skf21("3","3","1","1","6","4","5","1") = "5"
    & skf21("3","3","1","1","6","4","6","1") = "5"
    & skf21("3","3","1","1","6","4","7","1") = "6"
    & skf21("3","3","1","1","6","5","1","1") = "5"
    & skf21("3","3","1","1","6","5","2","1") = "5"
    & skf21("3","3","1","1","6","5","3","1") = "5"
    & skf21("3","3","1","1","6","5","4","1") = "5"
    & skf21("3","3","1","1","6","5","5","1") = "5"
    & skf21("3","3","1","1","6","5","6","1") = "5"
    & skf21("3","3","1","1","6","5","7","1") = "6"
    & skf21("3","3","1","1","6","6","1","1") = "5"
    & skf21("3","3","1","1","6","6","2","1") = "5"
    & skf21("3","3","1","1","6","6","3","1") = "5"
    & skf21("3","3","1","1","6","6","4","1") = "5"
    & skf21("3","3","1","1","6","6","5","1") = "5"
    & skf21("3","3","1","1","6","6","6","1") = "5"
    & skf21("3","3","1","1","6","6","7","1") = "6"
    & skf21("3","3","1","1","6","7","1","1") = "6"
    & skf21("3","3","1","1","6","7","2","1") = "6"
    & skf21("3","3","1","1","6","7","3","1") = "6"
    & skf21("3","3","1","1","6","7","4","1") = "6"
    & skf21("3","3","1","1","6","7","5","1") = "6"
    & skf21("3","3","1","1","6","7","6","1") = "6"
    & skf21("3","3","1","1","6","7","7","1") = "6"
    & skf21("3","3","1","1","7","1","1","1") = "6"
    & skf21("3","3","1","1","7","1","2","1") = "6"
    & skf21("3","3","1","1","7","1","3","1") = "6"
    & skf21("3","3","1","1","7","1","4","1") = "6"
    & skf21("3","3","1","1","7","1","5","1") = "6"
    & skf21("3","3","1","1","7","1","6","1") = "6"
    & skf21("3","3","1","1","7","1","7","1") = "6"
    & skf21("3","3","1","1","7","2","1","1") = "6"
    & skf21("3","3","1","1","7","2","2","1") = "6"
    & skf21("3","3","1","1","7","2","3","1") = "6"
    & skf21("3","3","1","1","7","2","4","1") = "6"
    & skf21("3","3","1","1","7","2","5","1") = "6"
    & skf21("3","3","1","1","7","2","6","1") = "6"
    & skf21("3","3","1","1","7","2","7","1") = "6"
    & skf21("3","3","1","1","7","3","1","1") = "6"
    & skf21("3","3","1","1","7","3","2","1") = "6"
    & skf21("3","3","1","1","7","3","3","1") = "6"
    & skf21("3","3","1","1","7","3","4","1") = "6"
    & skf21("3","3","1","1","7","3","5","1") = "6"
    & skf21("3","3","1","1","7","3","6","1") = "6"
    & skf21("3","3","1","1","7","3","7","1") = "6"
    & skf21("3","3","1","1","7","4","1","1") = "6"
    & skf21("3","3","1","1","7","4","2","1") = "6"
    & skf21("3","3","1","1","7","4","3","1") = "6"
    & skf21("3","3","1","1","7","4","4","1") = "6"
    & skf21("3","3","1","1","7","4","5","1") = "6"
    & skf21("3","3","1","1","7","4","6","1") = "6"
    & skf21("3","3","1","1","7","4","7","1") = "6"
    & skf21("3","3","1","1","7","5","1","1") = "6"
    & skf21("3","3","1","1","7","5","2","1") = "6"
    & skf21("3","3","1","1","7","5","3","1") = "6"
    & skf21("3","3","1","1","7","5","4","1") = "6"
    & skf21("3","3","1","1","7","5","5","1") = "6"
    & skf21("3","3","1","1","7","5","6","1") = "6"
    & skf21("3","3","1","1","7","5","7","1") = "6"
    & skf21("3","3","1","1","7","6","1","1") = "6"
    & skf21("3","3","1","1","7","6","2","1") = "6"
    & skf21("3","3","1","1","7","6","3","1") = "6"
    & skf21("3","3","1","1","7","6","4","1") = "6"
    & skf21("3","3","1","1","7","6","5","1") = "6"
    & skf21("3","3","1","1","7","6","6","1") = "6"
    & skf21("3","3","1","1","7","6","7","1") = "6"
    & skf21("3","3","1","1","7","7","1","1") = "6"
    & skf21("3","3","1","1","7","7","2","1") = "6"
    & skf21("3","3","1","1","7","7","3","1") = "6"
    & skf21("3","3","1","1","7","7","4","1") = "6"
    & skf21("3","3","1","1","7","7","5","1") = "6"
    & skf21("3","3","1","1","7","7","6","1") = "6"
    & skf21("3","3","1","1","7","7","7","1") = "6"
    & skf21("3","3","1","2","1","1","1","1") = "2"
    & skf21("3","3","1","2","1","1","2","1") = "2"
    & skf21("3","3","1","2","1","1","3","1") = "2"
    & skf21("3","3","1","2","1","1","4","1") = "3"
    & skf21("3","3","1","2","1","1","5","1") = "4"
    & skf21("3","3","1","2","1","1","6","1") = "5"
    & skf21("3","3","1","2","1","1","7","1") = "6"
    & skf21("3","3","1","2","1","2","1","1") = "2"
    & skf21("3","3","1","2","1","2","2","1") = "2"
    & skf21("3","3","1","2","1","2","3","1") = "2"
    & skf21("3","3","1","2","1","2","4","1") = "3"
    & skf21("3","3","1","2","1","2","5","1") = "4"
    & skf21("3","3","1","2","1","2","6","1") = "5"
    & skf21("3","3","1","2","1","2","7","1") = "6"
    & skf21("3","3","1","2","1","3","1","1") = "2"
    & skf21("3","3","1","2","1","3","2","1") = "2"
    & skf21("3","3","1","2","1","3","3","1") = "2"
    & skf21("3","3","1","2","1","3","4","1") = "3"
    & skf21("3","3","1","2","1","3","5","1") = "4"
    & skf21("3","3","1","2","1","3","6","1") = "5"
    & skf21("3","3","1","2","1","3","7","1") = "6"
    & skf21("3","3","1","2","1","4","1","1") = "3"
    & skf21("3","3","1","2","1","4","2","1") = "3"
    & skf21("3","3","1","2","1","4","3","1") = "3"
    & skf21("3","3","1","2","1","4","4","1") = "3"
    & skf21("3","3","1","2","1","4","5","1") = "4"
    & skf21("3","3","1","2","1","4","6","1") = "5"
    & skf21("3","3","1","2","1","4","7","1") = "6"
    & skf21("3","3","1","2","1","5","1","1") = "4"
    & skf21("3","3","1","2","1","5","2","1") = "4"
    & skf21("3","3","1","2","1","5","3","1") = "4"
    & skf21("3","3","1","2","1","5","4","1") = "4"
    & skf21("3","3","1","2","1","5","5","1") = "4"
    & skf21("3","3","1","2","1","5","6","1") = "5"
    & skf21("3","3","1","2","1","5","7","1") = "6"
    & skf21("3","3","1","2","1","6","1","1") = "5"
    & skf21("3","3","1","2","1","6","2","1") = "5"
    & skf21("3","3","1","2","1","6","3","1") = "5"
    & skf21("3","3","1","2","1","6","4","1") = "5"
    & skf21("3","3","1","2","1","6","5","1") = "5"
    & skf21("3","3","1","2","1","6","6","1") = "5"
    & skf21("3","3","1","2","1","6","7","1") = "6"
    & skf21("3","3","1","2","1","7","1","1") = "6"
    & skf21("3","3","1","2","1","7","2","1") = "6"
    & skf21("3","3","1","2","1","7","3","1") = "6"
    & skf21("3","3","1","2","1","7","4","1") = "6"
    & skf21("3","3","1","2","1","7","5","1") = "6"
    & skf21("3","3","1","2","1","7","6","1") = "6"
    & skf21("3","3","1","2","1","7","7","1") = "6"
    & skf21("3","3","1","2","2","1","1","1") = "2"
    & skf21("3","3","1","2","2","1","2","1") = "2"
    & skf21("3","3","1","2","2","1","3","1") = "2"
    & skf21("3","3","1","2","2","1","4","1") = "3"
    & skf21("3","3","1","2","2","1","5","1") = "4"
    & skf21("3","3","1","2","2","1","6","1") = "5"
    & skf21("3","3","1","2","2","1","7","1") = "6"
    & skf21("3","3","1","2","2","2","1","1") = "2"
    & skf21("3","3","1","2","2","2","2","1") = "2"
    & skf21("3","3","1","2","2","2","3","1") = "2"
    & skf21("3","3","1","2","2","2","4","1") = "3"
    & skf21("3","3","1","2","2","2","5","1") = "4"
    & skf21("3","3","1","2","2","2","6","1") = "5"
    & skf21("3","3","1","2","2","2","7","1") = "6"
    & skf21("3","3","1","2","2","3","1","1") = "2"
    & skf21("3","3","1","2","2","3","2","1") = "2"
    & skf21("3","3","1","2","2","3","3","1") = "2"
    & skf21("3","3","1","2","2","3","4","1") = "3"
    & skf21("3","3","1","2","2","3","5","1") = "4"
    & skf21("3","3","1","2","2","3","6","1") = "5"
    & skf21("3","3","1","2","2","3","7","1") = "6"
    & skf21("3","3","1","2","2","4","1","1") = "3"
    & skf21("3","3","1","2","2","4","2","1") = "3"
    & skf21("3","3","1","2","2","4","3","1") = "3"
    & skf21("3","3","1","2","2","4","4","1") = "3"
    & skf21("3","3","1","2","2","4","5","1") = "4"
    & skf21("3","3","1","2","2","4","6","1") = "5"
    & skf21("3","3","1","2","2","4","7","1") = "6"
    & skf21("3","3","1","2","2","5","1","1") = "4"
    & skf21("3","3","1","2","2","5","2","1") = "4"
    & skf21("3","3","1","2","2","5","3","1") = "4"
    & skf21("3","3","1","2","2","5","4","1") = "4"
    & skf21("3","3","1","2","2","5","5","1") = "4"
    & skf21("3","3","1","2","2","5","6","1") = "5"
    & skf21("3","3","1","2","2","5","7","1") = "6"
    & skf21("3","3","1","2","2","6","1","1") = "5"
    & skf21("3","3","1","2","2","6","2","1") = "5"
    & skf21("3","3","1","2","2","6","3","1") = "5"
    & skf21("3","3","1","2","2","6","4","1") = "5"
    & skf21("3","3","1","2","2","6","5","1") = "5"
    & skf21("3","3","1","2","2","6","6","1") = "5"
    & skf21("3","3","1","2","2","6","7","1") = "6"
    & skf21("3","3","1","2","2","7","1","1") = "6"
    & skf21("3","3","1","2","2","7","2","1") = "6"
    & skf21("3","3","1","2","2","7","3","1") = "6"
    & skf21("3","3","1","2","2","7","4","1") = "6"
    & skf21("3","3","1","2","2","7","5","1") = "6"
    & skf21("3","3","1","2","2","7","6","1") = "6"
    & skf21("3","3","1","2","2","7","7","1") = "6"
    & skf21("3","3","1","2","3","1","1","1") = "2"
    & skf21("3","3","1","2","3","1","2","1") = "2"
    & skf21("3","3","1","2","3","1","3","1") = "2"
    & skf21("3","3","1","2","3","1","4","1") = "3"
    & skf21("3","3","1","2","3","1","5","1") = "4"
    & skf21("3","3","1","2","3","1","6","1") = "5"
    & skf21("3","3","1","2","3","1","7","1") = "6"
    & skf21("3","3","1","2","3","2","1","1") = "2"
    & skf21("3","3","1","2","3","2","2","1") = "2"
    & skf21("3","3","1","2","3","2","3","1") = "2"
    & skf21("3","3","1","2","3","2","4","1") = "3"
    & skf21("3","3","1","2","3","2","5","1") = "4"
    & skf21("3","3","1","2","3","2","6","1") = "5"
    & skf21("3","3","1","2","3","2","7","1") = "6"
    & skf21("3","3","1","2","3","3","1","1") = "2"
    & skf21("3","3","1","2","3","3","2","1") = "2"
    & skf21("3","3","1","2","3","3","3","1") = "2"
    & skf21("3","3","1","2","3","3","4","1") = "3"
    & skf21("3","3","1","2","3","3","5","1") = "4"
    & skf21("3","3","1","2","3","3","6","1") = "5"
    & skf21("3","3","1","2","3","3","7","1") = "6"
    & skf21("3","3","1","2","3","4","1","1") = "3"
    & skf21("3","3","1","2","3","4","2","1") = "3"
    & skf21("3","3","1","2","3","4","3","1") = "3"
    & skf21("3","3","1","2","3","4","4","1") = "3"
    & skf21("3","3","1","2","3","4","5","1") = "4"
    & skf21("3","3","1","2","3","4","6","1") = "5"
    & skf21("3","3","1","2","3","4","7","1") = "6"
    & skf21("3","3","1","2","3","5","1","1") = "4"
    & skf21("3","3","1","2","3","5","2","1") = "4"
    & skf21("3","3","1","2","3","5","3","1") = "4"
    & skf21("3","3","1","2","3","5","4","1") = "4"
    & skf21("3","3","1","2","3","5","5","1") = "4"
    & skf21("3","3","1","2","3","5","6","1") = "5"
    & skf21("3","3","1","2","3","5","7","1") = "6"
    & skf21("3","3","1","2","3","6","1","1") = "5"
    & skf21("3","3","1","2","3","6","2","1") = "5"
    & skf21("3","3","1","2","3","6","3","1") = "5"
    & skf21("3","3","1","2","3","6","4","1") = "5"
    & skf21("3","3","1","2","3","6","5","1") = "5"
    & skf21("3","3","1","2","3","6","6","1") = "5"
    & skf21("3","3","1","2","3","6","7","1") = "6"
    & skf21("3","3","1","2","3","7","1","1") = "6"
    & skf21("3","3","1","2","3","7","2","1") = "6"
    & skf21("3","3","1","2","3","7","3","1") = "6"
    & skf21("3","3","1","2","3","7","4","1") = "6"
    & skf21("3","3","1","2","3","7","5","1") = "6"
    & skf21("3","3","1","2","3","7","6","1") = "6"
    & skf21("3","3","1","2","3","7","7","1") = "6"
    & skf21("3","3","1","2","4","1","1","1") = "3"
    & skf21("3","3","1","2","4","1","2","1") = "3"
    & skf21("3","3","1","2","4","1","3","1") = "3"
    & skf21("3","3","1","2","4","1","4","1") = "3"
    & skf21("3","3","1","2","4","1","5","1") = "4"
    & skf21("3","3","1","2","4","1","6","1") = "5"
    & skf21("3","3","1","2","4","1","7","1") = "6"
    & skf21("3","3","1","2","4","2","1","1") = "3"
    & skf21("3","3","1","2","4","2","2","1") = "3"
    & skf21("3","3","1","2","4","2","3","1") = "3"
    & skf21("3","3","1","2","4","2","4","1") = "3"
    & skf21("3","3","1","2","4","2","5","1") = "4"
    & skf21("3","3","1","2","4","2","6","1") = "5"
    & skf21("3","3","1","2","4","2","7","1") = "6"
    & skf21("3","3","1","2","4","3","1","1") = "3"
    & skf21("3","3","1","2","4","3","2","1") = "3"
    & skf21("3","3","1","2","4","3","3","1") = "3"
    & skf21("3","3","1","2","4","3","4","1") = "3"
    & skf21("3","3","1","2","4","3","5","1") = "4"
    & skf21("3","3","1","2","4","3","6","1") = "5"
    & skf21("3","3","1","2","4","3","7","1") = "6"
    & skf21("3","3","1","2","4","4","1","1") = "3"
    & skf21("3","3","1","2","4","4","2","1") = "3"
    & skf21("3","3","1","2","4","4","3","1") = "3"
    & skf21("3","3","1","2","4","4","4","1") = "3"
    & skf21("3","3","1","2","4","4","5","1") = "4"
    & skf21("3","3","1","2","4","4","6","1") = "5"
    & skf21("3","3","1","2","4","4","7","1") = "6"
    & skf21("3","3","1","2","4","5","1","1") = "4"
    & skf21("3","3","1","2","4","5","2","1") = "4"
    & skf21("3","3","1","2","4","5","3","1") = "4"
    & skf21("3","3","1","2","4","5","4","1") = "4"
    & skf21("3","3","1","2","4","5","5","1") = "4"
    & skf21("3","3","1","2","4","5","6","1") = "5"
    & skf21("3","3","1","2","4","5","7","1") = "6"
    & skf21("3","3","1","2","4","6","1","1") = "5"
    & skf21("3","3","1","2","4","6","2","1") = "5"
    & skf21("3","3","1","2","4","6","3","1") = "5"
    & skf21("3","3","1","2","4","6","4","1") = "5"
    & skf21("3","3","1","2","4","6","5","1") = "5"
    & skf21("3","3","1","2","4","6","6","1") = "5"
    & skf21("3","3","1","2","4","6","7","1") = "6"
    & skf21("3","3","1","2","4","7","1","1") = "6"
    & skf21("3","3","1","2","4","7","2","1") = "6"
    & skf21("3","3","1","2","4","7","3","1") = "6"
    & skf21("3","3","1","2","4","7","4","1") = "6"
    & skf21("3","3","1","2","4","7","5","1") = "6"
    & skf21("3","3","1","2","4","7","6","1") = "6"
    & skf21("3","3","1","2","4","7","7","1") = "6"
    & skf21("3","3","1","2","5","1","1","1") = "4"
    & skf21("3","3","1","2","5","1","2","1") = "4"
    & skf21("3","3","1","2","5","1","3","1") = "4"
    & skf21("3","3","1","2","5","1","4","1") = "4"
    & skf21("3","3","1","2","5","1","5","1") = "4"
    & skf21("3","3","1","2","5","1","6","1") = "5"
    & skf21("3","3","1","2","5","1","7","1") = "6"
    & skf21("3","3","1","2","5","2","1","1") = "4"
    & skf21("3","3","1","2","5","2","2","1") = "4"
    & skf21("3","3","1","2","5","2","3","1") = "4"
    & skf21("3","3","1","2","5","2","4","1") = "4"
    & skf21("3","3","1","2","5","2","5","1") = "4"
    & skf21("3","3","1","2","5","2","6","1") = "5"
    & skf21("3","3","1","2","5","2","7","1") = "6"
    & skf21("3","3","1","2","5","3","1","1") = "4"
    & skf21("3","3","1","2","5","3","2","1") = "4"
    & skf21("3","3","1","2","5","3","3","1") = "4"
    & skf21("3","3","1","2","5","3","4","1") = "4"
    & skf21("3","3","1","2","5","3","5","1") = "4"
    & skf21("3","3","1","2","5","3","6","1") = "5"
    & skf21("3","3","1","2","5","3","7","1") = "6"
    & skf21("3","3","1","2","5","4","1","1") = "4"
    & skf21("3","3","1","2","5","4","2","1") = "4"
    & skf21("3","3","1","2","5","4","3","1") = "4"
    & skf21("3","3","1","2","5","4","4","1") = "4"
    & skf21("3","3","1","2","5","4","5","1") = "4"
    & skf21("3","3","1","2","5","4","6","1") = "5"
    & skf21("3","3","1","2","5","4","7","1") = "6"
    & skf21("3","3","1","2","5","5","1","1") = "4"
    & skf21("3","3","1","2","5","5","2","1") = "4"
    & skf21("3","3","1","2","5","5","3","1") = "4"
    & skf21("3","3","1","2","5","5","4","1") = "4"
    & skf21("3","3","1","2","5","5","5","1") = "4"
    & skf21("3","3","1","2","5","5","6","1") = "5"
    & skf21("3","3","1","2","5","5","7","1") = "6"
    & skf21("3","3","1","2","5","6","1","1") = "5"
    & skf21("3","3","1","2","5","6","2","1") = "5"
    & skf21("3","3","1","2","5","6","3","1") = "5"
    & skf21("3","3","1","2","5","6","4","1") = "5"
    & skf21("3","3","1","2","5","6","5","1") = "5"
    & skf21("3","3","1","2","5","6","6","1") = "5"
    & skf21("3","3","1","2","5","6","7","1") = "6"
    & skf21("3","3","1","2","5","7","1","1") = "6"
    & skf21("3","3","1","2","5","7","2","1") = "6"
    & skf21("3","3","1","2","5","7","3","1") = "6"
    & skf21("3","3","1","2","5","7","4","1") = "6"
    & skf21("3","3","1","2","5","7","5","1") = "6"
    & skf21("3","3","1","2","5","7","6","1") = "6"
    & skf21("3","3","1","2","5","7","7","1") = "6"
    & skf21("3","3","1","2","6","1","1","1") = "5"
    & skf21("3","3","1","2","6","1","2","1") = "5"
    & skf21("3","3","1","2","6","1","3","1") = "5"
    & skf21("3","3","1","2","6","1","4","1") = "5"
    & skf21("3","3","1","2","6","1","5","1") = "5"
    & skf21("3","3","1","2","6","1","6","1") = "5"
    & skf21("3","3","1","2","6","1","7","1") = "6"
    & skf21("3","3","1","2","6","2","1","1") = "5"
    & skf21("3","3","1","2","6","2","2","1") = "5"
    & skf21("3","3","1","2","6","2","3","1") = "5"
    & skf21("3","3","1","2","6","2","4","1") = "5"
    & skf21("3","3","1","2","6","2","5","1") = "5"
    & skf21("3","3","1","2","6","2","6","1") = "5"
    & skf21("3","3","1","2","6","2","7","1") = "6"
    & skf21("3","3","1","2","6","3","1","1") = "5"
    & skf21("3","3","1","2","6","3","2","1") = "5"
    & skf21("3","3","1","2","6","3","3","1") = "5"
    & skf21("3","3","1","2","6","3","4","1") = "5"
    & skf21("3","3","1","2","6","3","5","1") = "5"
    & skf21("3","3","1","2","6","3","6","1") = "5"
    & skf21("3","3","1","2","6","3","7","1") = "6"
    & skf21("3","3","1","2","6","4","1","1") = "5"
    & skf21("3","3","1","2","6","4","2","1") = "5"
    & skf21("3","3","1","2","6","4","3","1") = "5"
    & skf21("3","3","1","2","6","4","4","1") = "5"
    & skf21("3","3","1","2","6","4","5","1") = "5"
    & skf21("3","3","1","2","6","4","6","1") = "5"
    & skf21("3","3","1","2","6","4","7","1") = "6"
    & skf21("3","3","1","2","6","5","1","1") = "5"
    & skf21("3","3","1","2","6","5","2","1") = "5"
    & skf21("3","3","1","2","6","5","3","1") = "5"
    & skf21("3","3","1","2","6","5","4","1") = "5"
    & skf21("3","3","1","2","6","5","5","1") = "5"
    & skf21("3","3","1","2","6","5","6","1") = "5"
    & skf21("3","3","1","2","6","5","7","1") = "6"
    & skf21("3","3","1","2","6","6","1","1") = "5"
    & skf21("3","3","1","2","6","6","2","1") = "5"
    & skf21("3","3","1","2","6","6","3","1") = "5"
    & skf21("3","3","1","2","6","6","4","1") = "5"
    & skf21("3","3","1","2","6","6","5","1") = "5"
    & skf21("3","3","1","2","6","6","6","1") = "5"
    & skf21("3","3","1","2","6","6","7","1") = "6"
    & skf21("3","3","1","2","6","7","1","1") = "6"
    & skf21("3","3","1","2","6","7","2","1") = "6"
    & skf21("3","3","1","2","6","7","3","1") = "6"
    & skf21("3","3","1","2","6","7","4","1") = "6"
    & skf21("3","3","1","2","6","7","5","1") = "6"
    & skf21("3","3","1","2","6","7","6","1") = "6"
    & skf21("3","3","1","2","6","7","7","1") = "6"
    & skf21("3","3","1","2","7","1","1","1") = "6"
    & skf21("3","3","1","2","7","1","2","1") = "6"
    & skf21("3","3","1","2","7","1","3","1") = "6"
    & skf21("3","3","1","2","7","1","4","1") = "6"
    & skf21("3","3","1","2","7","1","5","1") = "6"
    & skf21("3","3","1","2","7","1","6","1") = "6"
    & skf21("3","3","1","2","7","1","7","1") = "6"
    & skf21("3","3","1","2","7","2","1","1") = "6"
    & skf21("3","3","1","2","7","2","2","1") = "6"
    & skf21("3","3","1","2","7","2","3","1") = "6"
    & skf21("3","3","1","2","7","2","4","1") = "6"
    & skf21("3","3","1","2","7","2","5","1") = "6"
    & skf21("3","3","1","2","7","2","6","1") = "6"
    & skf21("3","3","1","2","7","2","7","1") = "6"
    & skf21("3","3","1","2","7","3","1","1") = "6"
    & skf21("3","3","1","2","7","3","2","1") = "6"
    & skf21("3","3","1","2","7","3","3","1") = "6"
    & skf21("3","3","1","2","7","3","4","1") = "6"
    & skf21("3","3","1","2","7","3","5","1") = "6"
    & skf21("3","3","1","2","7","3","6","1") = "6"
    & skf21("3","3","1","2","7","3","7","1") = "6"
    & skf21("3","3","1","2","7","4","1","1") = "6"
    & skf21("3","3","1","2","7","4","2","1") = "6"
    & skf21("3","3","1","2","7","4","3","1") = "6"
    & skf21("3","3","1","2","7","4","4","1") = "6"
    & skf21("3","3","1","2","7","4","5","1") = "6"
    & skf21("3","3","1","2","7","4","6","1") = "6"
    & skf21("3","3","1","2","7","4","7","1") = "6"
    & skf21("3","3","1","2","7","5","1","1") = "6"
    & skf21("3","3","1","2","7","5","2","1") = "6"
    & skf21("3","3","1","2","7","5","3","1") = "6"
    & skf21("3","3","1","2","7","5","4","1") = "6"
    & skf21("3","3","1","2","7","5","5","1") = "6"
    & skf21("3","3","1","2","7","5","6","1") = "6"
    & skf21("3","3","1","2","7","5","7","1") = "6"
    & skf21("3","3","1","2","7","6","1","1") = "6"
    & skf21("3","3","1","2","7","6","2","1") = "6"
    & skf21("3","3","1","2","7","6","3","1") = "6"
    & skf21("3","3","1","2","7","6","4","1") = "6"
    & skf21("3","3","1","2","7","6","5","1") = "6"
    & skf21("3","3","1","2","7","6","6","1") = "6"
    & skf21("3","3","1","2","7","6","7","1") = "6"
    & skf21("3","3","1","2","7","7","1","1") = "6"
    & skf21("3","3","1","2","7","7","2","1") = "6"
    & skf21("3","3","1","2","7","7","3","1") = "6"
    & skf21("3","3","1","2","7","7","4","1") = "6"
    & skf21("3","3","1","2","7","7","5","1") = "6"
    & skf21("3","3","1","2","7","7","6","1") = "6"
    & skf21("3","3","1","2","7","7","7","1") = "6"
    & skf21("3","3","1","3","1","1","1","1") = "2"
    & skf21("3","3","1","3","1","1","2","1") = "2"
    & skf21("3","3","1","3","1","1","3","1") = "2"
    & skf21("3","3","1","3","1","1","4","1") = "3"
    & skf21("3","3","1","3","1","1","5","1") = "4"
    & skf21("3","3","1","3","1","1","6","1") = "5"
    & skf21("3","3","1","3","1","1","7","1") = "6"
    & skf21("3","3","1","3","1","2","1","1") = "2"
    & skf21("3","3","1","3","1","2","2","1") = "2"
    & skf21("3","3","1","3","1","2","3","1") = "2"
    & skf21("3","3","1","3","1","2","4","1") = "3"
    & skf21("3","3","1","3","1","2","5","1") = "4"
    & skf21("3","3","1","3","1","2","6","1") = "5"
    & skf21("3","3","1","3","1","2","7","1") = "6"
    & skf21("3","3","1","3","1","3","1","1") = "2"
    & skf21("3","3","1","3","1","3","2","1") = "2"
    & skf21("3","3","1","3","1","3","3","1") = "2"
    & skf21("3","3","1","3","1","3","4","1") = "3"
    & skf21("3","3","1","3","1","3","5","1") = "4"
    & skf21("3","3","1","3","1","3","6","1") = "5"
    & skf21("3","3","1","3","1","3","7","1") = "6"
    & skf21("3","3","1","3","1","4","1","1") = "3"
    & skf21("3","3","1","3","1","4","2","1") = "3"
    & skf21("3","3","1","3","1","4","3","1") = "3"
    & skf21("3","3","1","3","1","4","4","1") = "3"
    & skf21("3","3","1","3","1","4","5","1") = "4"
    & skf21("3","3","1","3","1","4","6","1") = "5"
    & skf21("3","3","1","3","1","4","7","1") = "6"
    & skf21("3","3","1","3","1","5","1","1") = "4"
    & skf21("3","3","1","3","1","5","2","1") = "4"
    & skf21("3","3","1","3","1","5","3","1") = "4"
    & skf21("3","3","1","3","1","5","4","1") = "4"
    & skf21("3","3","1","3","1","5","5","1") = "4"
    & skf21("3","3","1","3","1","5","6","1") = "5"
    & skf21("3","3","1","3","1","5","7","1") = "6"
    & skf21("3","3","1","3","1","6","1","1") = "5"
    & skf21("3","3","1","3","1","6","2","1") = "5"
    & skf21("3","3","1","3","1","6","3","1") = "5"
    & skf21("3","3","1","3","1","6","4","1") = "5"
    & skf21("3","3","1","3","1","6","5","1") = "5"
    & skf21("3","3","1","3","1","6","6","1") = "5"
    & skf21("3","3","1","3","1","6","7","1") = "6"
    & skf21("3","3","1","3","1","7","1","1") = "6"
    & skf21("3","3","1","3","1","7","2","1") = "6"
    & skf21("3","3","1","3","1","7","3","1") = "6"
    & skf21("3","3","1","3","1","7","4","1") = "6"
    & skf21("3","3","1","3","1","7","5","1") = "6"
    & skf21("3","3","1","3","1","7","6","1") = "6"
    & skf21("3","3","1","3","1","7","7","1") = "6"
    & skf21("3","3","1","3","2","1","1","1") = "2"
    & skf21("3","3","1","3","2","1","2","1") = "2"
    & skf21("3","3","1","3","2","1","3","1") = "2"
    & skf21("3","3","1","3","2","1","4","1") = "3"
    & skf21("3","3","1","3","2","1","5","1") = "4"
    & skf21("3","3","1","3","2","1","6","1") = "5"
    & skf21("3","3","1","3","2","1","7","1") = "6"
    & skf21("3","3","1","3","2","2","1","1") = "2"
    & skf21("3","3","1","3","2","2","2","1") = "2"
    & skf21("3","3","1","3","2","2","3","1") = "2"
    & skf21("3","3","1","3","2","2","4","1") = "3"
    & skf21("3","3","1","3","2","2","5","1") = "4"
    & skf21("3","3","1","3","2","2","6","1") = "5"
    & skf21("3","3","1","3","2","2","7","1") = "6"
    & skf21("3","3","1","3","2","3","1","1") = "2"
    & skf21("3","3","1","3","2","3","2","1") = "2"
    & skf21("3","3","1","3","2","3","3","1") = "2"
    & skf21("3","3","1","3","2","3","4","1") = "3"
    & skf21("3","3","1","3","2","3","5","1") = "4"
    & skf21("3","3","1","3","2","3","6","1") = "5"
    & skf21("3","3","1","3","2","3","7","1") = "6"
    & skf21("3","3","1","3","2","4","1","1") = "3"
    & skf21("3","3","1","3","2","4","2","1") = "3"
    & skf21("3","3","1","3","2","4","3","1") = "3"
    & skf21("3","3","1","3","2","4","4","1") = "3"
    & skf21("3","3","1","3","2","4","5","1") = "4"
    & skf21("3","3","1","3","2","4","6","1") = "5"
    & skf21("3","3","1","3","2","4","7","1") = "6"
    & skf21("3","3","1","3","2","5","1","1") = "4"
    & skf21("3","3","1","3","2","5","2","1") = "4"
    & skf21("3","3","1","3","2","5","3","1") = "4"
    & skf21("3","3","1","3","2","5","4","1") = "4"
    & skf21("3","3","1","3","2","5","5","1") = "4"
    & skf21("3","3","1","3","2","5","6","1") = "5"
    & skf21("3","3","1","3","2","5","7","1") = "6"
    & skf21("3","3","1","3","2","6","1","1") = "5"
    & skf21("3","3","1","3","2","6","2","1") = "5"
    & skf21("3","3","1","3","2","6","3","1") = "5"
    & skf21("3","3","1","3","2","6","4","1") = "5"
    & skf21("3","3","1","3","2","6","5","1") = "5"
    & skf21("3","3","1","3","2","6","6","1") = "5"
    & skf21("3","3","1","3","2","6","7","1") = "6"
    & skf21("3","3","1","3","2","7","1","1") = "6"
    & skf21("3","3","1","3","2","7","2","1") = "6"
    & skf21("3","3","1","3","2","7","3","1") = "6"
    & skf21("3","3","1","3","2","7","4","1") = "6"
    & skf21("3","3","1","3","2","7","5","1") = "6"
    & skf21("3","3","1","3","2","7","6","1") = "6"
    & skf21("3","3","1","3","2","7","7","1") = "6"
    & skf21("3","3","1","3","3","1","1","1") = "2"
    & skf21("3","3","1","3","3","1","2","1") = "2"
    & skf21("3","3","1","3","3","1","3","1") = "2"
    & skf21("3","3","1","3","3","1","4","1") = "3"
    & skf21("3","3","1","3","3","1","5","1") = "4"
    & skf21("3","3","1","3","3","1","6","1") = "5"
    & skf21("3","3","1","3","3","1","7","1") = "6"
    & skf21("3","3","1","3","3","2","1","1") = "2"
    & skf21("3","3","1","3","3","2","2","1") = "2"
    & skf21("3","3","1","3","3","2","3","1") = "2"
    & skf21("3","3","1","3","3","2","4","1") = "3"
    & skf21("3","3","1","3","3","2","5","1") = "4"
    & skf21("3","3","1","3","3","2","6","1") = "5"
    & skf21("3","3","1","3","3","2","7","1") = "6"
    & skf21("3","3","1","3","3","3","1","1") = "2"
    & skf21("3","3","1","3","3","3","2","1") = "2"
    & skf21("3","3","1","3","3","3","3","1") = "2"
    & skf21("3","3","1","3","3","3","4","1") = "3"
    & skf21("3","3","1","3","3","3","5","1") = "4"
    & skf21("3","3","1","3","3","3","6","1") = "5"
    & skf21("3","3","1","3","3","3","7","1") = "6"
    & skf21("3","3","1","3","3","4","1","1") = "3"
    & skf21("3","3","1","3","3","4","2","1") = "3"
    & skf21("3","3","1","3","3","4","3","1") = "3"
    & skf21("3","3","1","3","3","4","4","1") = "3"
    & skf21("3","3","1","3","3","4","5","1") = "4"
    & skf21("3","3","1","3","3","4","6","1") = "5"
    & skf21("3","3","1","3","3","4","7","1") = "6"
    & skf21("3","3","1","3","3","5","1","1") = "4"
    & skf21("3","3","1","3","3","5","2","1") = "4"
    & skf21("3","3","1","3","3","5","3","1") = "4"
    & skf21("3","3","1","3","3","5","4","1") = "4"
    & skf21("3","3","1","3","3","5","5","1") = "4"
    & skf21("3","3","1","3","3","5","6","1") = "5"
    & skf21("3","3","1","3","3","5","7","1") = "6"
    & skf21("3","3","1","3","3","6","1","1") = "5"
    & skf21("3","3","1","3","3","6","2","1") = "5"
    & skf21("3","3","1","3","3","6","3","1") = "5"
    & skf21("3","3","1","3","3","6","4","1") = "5"
    & skf21("3","3","1","3","3","6","5","1") = "5"
    & skf21("3","3","1","3","3","6","6","1") = "5"
    & skf21("3","3","1","3","3","6","7","1") = "6"
    & skf21("3","3","1","3","3","7","1","1") = "6"
    & skf21("3","3","1","3","3","7","2","1") = "6"
    & skf21("3","3","1","3","3","7","3","1") = "6"
    & skf21("3","3","1","3","3","7","4","1") = "6"
    & skf21("3","3","1","3","3","7","5","1") = "6"
    & skf21("3","3","1","3","3","7","6","1") = "6"
    & skf21("3","3","1","3","3","7","7","1") = "6"
    & skf21("3","3","1","3","4","1","1","1") = "3"
    & skf21("3","3","1","3","4","1","2","1") = "3"
    & skf21("3","3","1","3","4","1","3","1") = "3"
    & skf21("3","3","1","3","4","1","4","1") = "3"
    & skf21("3","3","1","3","4","1","5","1") = "4"
    & skf21("3","3","1","3","4","1","6","1") = "5"
    & skf21("3","3","1","3","4","1","7","1") = "6"
    & skf21("3","3","1","3","4","2","1","1") = "3"
    & skf21("3","3","1","3","4","2","2","1") = "3"
    & skf21("3","3","1","3","4","2","3","1") = "3"
    & skf21("3","3","1","3","4","2","4","1") = "3"
    & skf21("3","3","1","3","4","2","5","1") = "4"
    & skf21("3","3","1","3","4","2","6","1") = "5"
    & skf21("3","3","1","3","4","2","7","1") = "6"
    & skf21("3","3","1","3","4","3","1","1") = "3"
    & skf21("3","3","1","3","4","3","2","1") = "3"
    & skf21("3","3","1","3","4","3","3","1") = "3"
    & skf21("3","3","1","3","4","3","4","1") = "3"
    & skf21("3","3","1","3","4","3","5","1") = "4"
    & skf21("3","3","1","3","4","3","6","1") = "5"
    & skf21("3","3","1","3","4","3","7","1") = "6"
    & skf21("3","3","1","3","4","4","1","1") = "3"
    & skf21("3","3","1","3","4","4","2","1") = "3"
    & skf21("3","3","1","3","4","4","3","1") = "3"
    & skf21("3","3","1","3","4","4","4","1") = "3"
    & skf21("3","3","1","3","4","4","5","1") = "4"
    & skf21("3","3","1","3","4","4","6","1") = "5"
    & skf21("3","3","1","3","4","4","7","1") = "6"
    & skf21("3","3","1","3","4","5","1","1") = "4"
    & skf21("3","3","1","3","4","5","2","1") = "4"
    & skf21("3","3","1","3","4","5","3","1") = "4"
    & skf21("3","3","1","3","4","5","4","1") = "4"
    & skf21("3","3","1","3","4","5","5","1") = "4"
    & skf21("3","3","1","3","4","5","6","1") = "5"
    & skf21("3","3","1","3","4","5","7","1") = "6"
    & skf21("3","3","1","3","4","6","1","1") = "5"
    & skf21("3","3","1","3","4","6","2","1") = "5"
    & skf21("3","3","1","3","4","6","3","1") = "5"
    & skf21("3","3","1","3","4","6","4","1") = "5"
    & skf21("3","3","1","3","4","6","5","1") = "5"
    & skf21("3","3","1","3","4","6","6","1") = "5"
    & skf21("3","3","1","3","4","6","7","1") = "6"
    & skf21("3","3","1","3","4","7","1","1") = "6"
    & skf21("3","3","1","3","4","7","2","1") = "6"
    & skf21("3","3","1","3","4","7","3","1") = "6"
    & skf21("3","3","1","3","4","7","4","1") = "6"
    & skf21("3","3","1","3","4","7","5","1") = "6"
    & skf21("3","3","1","3","4","7","6","1") = "6"
    & skf21("3","3","1","3","4","7","7","1") = "6"
    & skf21("3","3","1","3","5","1","1","1") = "4"
    & skf21("3","3","1","3","5","1","2","1") = "4"
    & skf21("3","3","1","3","5","1","3","1") = "4"
    & skf21("3","3","1","3","5","1","4","1") = "4"
    & skf21("3","3","1","3","5","1","5","1") = "4"
    & skf21("3","3","1","3","5","1","6","1") = "5"
    & skf21("3","3","1","3","5","1","7","1") = "6"
    & skf21("3","3","1","3","5","2","1","1") = "4"
    & skf21("3","3","1","3","5","2","2","1") = "4"
    & skf21("3","3","1","3","5","2","3","1") = "4"
    & skf21("3","3","1","3","5","2","4","1") = "4"
    & skf21("3","3","1","3","5","2","5","1") = "4"
    & skf21("3","3","1","3","5","2","6","1") = "5"
    & skf21("3","3","1","3","5","2","7","1") = "6"
    & skf21("3","3","1","3","5","3","1","1") = "4"
    & skf21("3","3","1","3","5","3","2","1") = "4"
    & skf21("3","3","1","3","5","3","3","1") = "4"
    & skf21("3","3","1","3","5","3","4","1") = "4"
    & skf21("3","3","1","3","5","3","5","1") = "4"
    & skf21("3","3","1","3","5","3","6","1") = "5"
    & skf21("3","3","1","3","5","3","7","1") = "6"
    & skf21("3","3","1","3","5","4","1","1") = "4"
    & skf21("3","3","1","3","5","4","2","1") = "4"
    & skf21("3","3","1","3","5","4","3","1") = "4"
    & skf21("3","3","1","3","5","4","4","1") = "4"
    & skf21("3","3","1","3","5","4","5","1") = "4"
    & skf21("3","3","1","3","5","4","6","1") = "5"
    & skf21("3","3","1","3","5","4","7","1") = "6"
    & skf21("3","3","1","3","5","5","1","1") = "4"
    & skf21("3","3","1","3","5","5","2","1") = "4"
    & skf21("3","3","1","3","5","5","3","1") = "4"
    & skf21("3","3","1","3","5","5","4","1") = "4"
    & skf21("3","3","1","3","5","5","5","1") = "4"
    & skf21("3","3","1","3","5","5","6","1") = "5"
    & skf21("3","3","1","3","5","5","7","1") = "6"
    & skf21("3","3","1","3","5","6","1","1") = "5"
    & skf21("3","3","1","3","5","6","2","1") = "5"
    & skf21("3","3","1","3","5","6","3","1") = "5"
    & skf21("3","3","1","3","5","6","4","1") = "5"
    & skf21("3","3","1","3","5","6","5","1") = "5"
    & skf21("3","3","1","3","5","6","6","1") = "5"
    & skf21("3","3","1","3","5","6","7","1") = "6"
    & skf21("3","3","1","3","5","7","1","1") = "6"
    & skf21("3","3","1","3","5","7","2","1") = "6"
    & skf21("3","3","1","3","5","7","3","1") = "6"
    & skf21("3","3","1","3","5","7","4","1") = "6"
    & skf21("3","3","1","3","5","7","5","1") = "6"
    & skf21("3","3","1","3","5","7","6","1") = "6"
    & skf21("3","3","1","3","5","7","7","1") = "6"
    & skf21("3","3","1","3","6","1","1","1") = "5"
    & skf21("3","3","1","3","6","1","2","1") = "5"
    & skf21("3","3","1","3","6","1","3","1") = "5"
    & skf21("3","3","1","3","6","1","4","1") = "5"
    & skf21("3","3","1","3","6","1","5","1") = "5"
    & skf21("3","3","1","3","6","1","6","1") = "5"
    & skf21("3","3","1","3","6","1","7","1") = "6"
    & skf21("3","3","1","3","6","2","1","1") = "5"
    & skf21("3","3","1","3","6","2","2","1") = "5"
    & skf21("3","3","1","3","6","2","3","1") = "5"
    & skf21("3","3","1","3","6","2","4","1") = "5"
    & skf21("3","3","1","3","6","2","5","1") = "5"
    & skf21("3","3","1","3","6","2","6","1") = "5"
    & skf21("3","3","1","3","6","2","7","1") = "6"
    & skf21("3","3","1","3","6","3","1","1") = "5"
    & skf21("3","3","1","3","6","3","2","1") = "5"
    & skf21("3","3","1","3","6","3","3","1") = "5"
    & skf21("3","3","1","3","6","3","4","1") = "5"
    & skf21("3","3","1","3","6","3","5","1") = "5"
    & skf21("3","3","1","3","6","3","6","1") = "5"
    & skf21("3","3","1","3","6","3","7","1") = "6"
    & skf21("3","3","1","3","6","4","1","1") = "5"
    & skf21("3","3","1","3","6","4","2","1") = "5"
    & skf21("3","3","1","3","6","4","3","1") = "5"
    & skf21("3","3","1","3","6","4","4","1") = "5"
    & skf21("3","3","1","3","6","4","5","1") = "5"
    & skf21("3","3","1","3","6","4","6","1") = "5"
    & skf21("3","3","1","3","6","4","7","1") = "6"
    & skf21("3","3","1","3","6","5","1","1") = "5"
    & skf21("3","3","1","3","6","5","2","1") = "5"
    & skf21("3","3","1","3","6","5","3","1") = "5"
    & skf21("3","3","1","3","6","5","4","1") = "5"
    & skf21("3","3","1","3","6","5","5","1") = "5"
    & skf21("3","3","1","3","6","5","6","1") = "5"
    & skf21("3","3","1","3","6","5","7","1") = "6"
    & skf21("3","3","1","3","6","6","1","1") = "5"
    & skf21("3","3","1","3","6","6","2","1") = "5"
    & skf21("3","3","1","3","6","6","3","1") = "5"
    & skf21("3","3","1","3","6","6","4","1") = "5"
    & skf21("3","3","1","3","6","6","5","1") = "5"
    & skf21("3","3","1","3","6","6","6","1") = "5"
    & skf21("3","3","1","3","6","6","7","1") = "6"
    & skf21("3","3","1","3","6","7","1","1") = "6"
    & skf21("3","3","1","3","6","7","2","1") = "6"
    & skf21("3","3","1","3","6","7","3","1") = "6"
    & skf21("3","3","1","3","6","7","4","1") = "6"
    & skf21("3","3","1","3","6","7","5","1") = "6"
    & skf21("3","3","1","3","6","7","6","1") = "6"
    & skf21("3","3","1","3","6","7","7","1") = "6"
    & skf21("3","3","1","3","7","1","1","1") = "6"
    & skf21("3","3","1","3","7","1","2","1") = "6"
    & skf21("3","3","1","3","7","1","3","1") = "6"
    & skf21("3","3","1","3","7","1","4","1") = "6"
    & skf21("3","3","1","3","7","1","5","1") = "6"
    & skf21("3","3","1","3","7","1","6","1") = "6"
    & skf21("3","3","1","3","7","1","7","1") = "6"
    & skf21("3","3","1","3","7","2","1","1") = "6"
    & skf21("3","3","1","3","7","2","2","1") = "6"
    & skf21("3","3","1","3","7","2","3","1") = "6"
    & skf21("3","3","1","3","7","2","4","1") = "6"
    & skf21("3","3","1","3","7","2","5","1") = "6"
    & skf21("3","3","1","3","7","2","6","1") = "6"
    & skf21("3","3","1","3","7","2","7","1") = "6"
    & skf21("3","3","1","3","7","3","1","1") = "6"
    & skf21("3","3","1","3","7","3","2","1") = "6"
    & skf21("3","3","1","3","7","3","3","1") = "6"
    & skf21("3","3","1","3","7","3","4","1") = "6"
    & skf21("3","3","1","3","7","3","5","1") = "6"
    & skf21("3","3","1","3","7","3","6","1") = "6"
    & skf21("3","3","1","3","7","3","7","1") = "6"
    & skf21("3","3","1","3","7","4","1","1") = "6"
    & skf21("3","3","1","3","7","4","2","1") = "6"
    & skf21("3","3","1","3","7","4","3","1") = "6"
    & skf21("3","3","1","3","7","4","4","1") = "6"
    & skf21("3","3","1","3","7","4","5","1") = "6"
    & skf21("3","3","1","3","7","4","6","1") = "6"
    & skf21("3","3","1","3","7","4","7","1") = "6"
    & skf21("3","3","1","3","7","5","1","1") = "6"
    & skf21("3","3","1","3","7","5","2","1") = "6"
    & skf21("3","3","1","3","7","5","3","1") = "6"
    & skf21("3","3","1","3","7","5","4","1") = "6"
    & skf21("3","3","1","3","7","5","5","1") = "6"
    & skf21("3","3","1","3","7","5","6","1") = "6"
    & skf21("3","3","1","3","7","5","7","1") = "6"
    & skf21("3","3","1","3","7","6","1","1") = "6"
    & skf21("3","3","1","3","7","6","2","1") = "6"
    & skf21("3","3","1","3","7","6","3","1") = "6"
    & skf21("3","3","1","3","7","6","4","1") = "6"
    & skf21("3","3","1","3","7","6","5","1") = "6"
    & skf21("3","3","1","3","7","6","6","1") = "6"
    & skf21("3","3","1","3","7","6","7","1") = "6"
    & skf21("3","3","1","3","7","7","1","1") = "6"
    & skf21("3","3","1","3","7","7","2","1") = "6"
    & skf21("3","3","1","3","7","7","3","1") = "6"
    & skf21("3","3","1","3","7","7","4","1") = "6"
    & skf21("3","3","1","3","7","7","5","1") = "6"
    & skf21("3","3","1","3","7","7","6","1") = "6"
    & skf21("3","3","1","3","7","7","7","1") = "6"
    & skf21("3","3","1","4","1","1","1","1") = "3"
    & skf21("3","3","1","4","1","1","2","1") = "3"
    & skf21("3","3","1","4","1","1","3","1") = "3"
    & skf21("3","3","1","4","1","1","4","1") = "3"
    & skf21("3","3","1","4","1","1","5","1") = "4"
    & skf21("3","3","1","4","1","1","6","1") = "5"
    & skf21("3","3","1","4","1","1","7","1") = "6"
    & skf21("3","3","1","4","1","2","1","1") = "3"
    & skf21("3","3","1","4","1","2","2","1") = "3"
    & skf21("3","3","1","4","1","2","3","1") = "3"
    & skf21("3","3","1","4","1","2","4","1") = "3"
    & skf21("3","3","1","4","1","2","5","1") = "4"
    & skf21("3","3","1","4","1","2","6","1") = "5"
    & skf21("3","3","1","4","1","2","7","1") = "6"
    & skf21("3","3","1","4","1","3","1","1") = "3"
    & skf21("3","3","1","4","1","3","2","1") = "3"
    & skf21("3","3","1","4","1","3","3","1") = "3"
    & skf21("3","3","1","4","1","3","4","1") = "3"
    & skf21("3","3","1","4","1","3","5","1") = "4"
    & skf21("3","3","1","4","1","3","6","1") = "5"
    & skf21("3","3","1","4","1","3","7","1") = "6"
    & skf21("3","3","1","4","1","4","1","1") = "3"
    & skf21("3","3","1","4","1","4","2","1") = "3"
    & skf21("3","3","1","4","1","4","3","1") = "3"
    & skf21("3","3","1","4","1","4","4","1") = "3"
    & skf21("3","3","1","4","1","4","5","1") = "4"
    & skf21("3","3","1","4","1","4","6","1") = "5"
    & skf21("3","3","1","4","1","4","7","1") = "6"
    & skf21("3","3","1","4","1","5","1","1") = "4"
    & skf21("3","3","1","4","1","5","2","1") = "4"
    & skf21("3","3","1","4","1","5","3","1") = "4"
    & skf21("3","3","1","4","1","5","4","1") = "4"
    & skf21("3","3","1","4","1","5","5","1") = "4"
    & skf21("3","3","1","4","1","5","6","1") = "5"
    & skf21("3","3","1","4","1","5","7","1") = "6"
    & skf21("3","3","1","4","1","6","1","1") = "5"
    & skf21("3","3","1","4","1","6","2","1") = "5"
    & skf21("3","3","1","4","1","6","3","1") = "5"
    & skf21("3","3","1","4","1","6","4","1") = "5"
    & skf21("3","3","1","4","1","6","5","1") = "5"
    & skf21("3","3","1","4","1","6","6","1") = "5"
    & skf21("3","3","1","4","1","6","7","1") = "6"
    & skf21("3","3","1","4","1","7","1","1") = "6"
    & skf21("3","3","1","4","1","7","2","1") = "6"
    & skf21("3","3","1","4","1","7","3","1") = "6"
    & skf21("3","3","1","4","1","7","4","1") = "6"
    & skf21("3","3","1","4","1","7","5","1") = "6"
    & skf21("3","3","1","4","1","7","6","1") = "6"
    & skf21("3","3","1","4","1","7","7","1") = "6"
    & skf21("3","3","1","4","2","1","1","1") = "3"
    & skf21("3","3","1","4","2","1","2","1") = "3"
    & skf21("3","3","1","4","2","1","3","1") = "3"
    & skf21("3","3","1","4","2","1","4","1") = "3"
    & skf21("3","3","1","4","2","1","5","1") = "4"
    & skf21("3","3","1","4","2","1","6","1") = "5"
    & skf21("3","3","1","4","2","1","7","1") = "6"
    & skf21("3","3","1","4","2","2","1","1") = "3"
    & skf21("3","3","1","4","2","2","2","1") = "3"
    & skf21("3","3","1","4","2","2","3","1") = "3"
    & skf21("3","3","1","4","2","2","4","1") = "3"
    & skf21("3","3","1","4","2","2","5","1") = "4"
    & skf21("3","3","1","4","2","2","6","1") = "5"
    & skf21("3","3","1","4","2","2","7","1") = "6"
    & skf21("3","3","1","4","2","3","1","1") = "3"
    & skf21("3","3","1","4","2","3","2","1") = "3"
    & skf21("3","3","1","4","2","3","3","1") = "3"
    & skf21("3","3","1","4","2","3","4","1") = "3"
    & skf21("3","3","1","4","2","3","5","1") = "4"
    & skf21("3","3","1","4","2","3","6","1") = "5"
    & skf21("3","3","1","4","2","3","7","1") = "6"
    & skf21("3","3","1","4","2","4","1","1") = "3"
    & skf21("3","3","1","4","2","4","2","1") = "3"
    & skf21("3","3","1","4","2","4","3","1") = "3"
    & skf21("3","3","1","4","2","4","4","1") = "3"
    & skf21("3","3","1","4","2","4","5","1") = "4"
    & skf21("3","3","1","4","2","4","6","1") = "5"
    & skf21("3","3","1","4","2","4","7","1") = "6"
    & skf21("3","3","1","4","2","5","1","1") = "4"
    & skf21("3","3","1","4","2","5","2","1") = "4"
    & skf21("3","3","1","4","2","5","3","1") = "4"
    & skf21("3","3","1","4","2","5","4","1") = "4"
    & skf21("3","3","1","4","2","5","5","1") = "4"
    & skf21("3","3","1","4","2","5","6","1") = "5"
    & skf21("3","3","1","4","2","5","7","1") = "6"
    & skf21("3","3","1","4","2","6","1","1") = "5"
    & skf21("3","3","1","4","2","6","2","1") = "5"
    & skf21("3","3","1","4","2","6","3","1") = "5"
    & skf21("3","3","1","4","2","6","4","1") = "5"
    & skf21("3","3","1","4","2","6","5","1") = "5"
    & skf21("3","3","1","4","2","6","6","1") = "5"
    & skf21("3","3","1","4","2","6","7","1") = "6"
    & skf21("3","3","1","4","2","7","1","1") = "6"
    & skf21("3","3","1","4","2","7","2","1") = "6"
    & skf21("3","3","1","4","2","7","3","1") = "6"
    & skf21("3","3","1","4","2","7","4","1") = "6"
    & skf21("3","3","1","4","2","7","5","1") = "6"
    & skf21("3","3","1","4","2","7","6","1") = "6"
    & skf21("3","3","1","4","2","7","7","1") = "6"
    & skf21("3","3","1","4","3","1","1","1") = "3"
    & skf21("3","3","1","4","3","1","2","1") = "3"
    & skf21("3","3","1","4","3","1","3","1") = "3"
    & skf21("3","3","1","4","3","1","4","1") = "3"
    & skf21("3","3","1","4","3","1","5","1") = "4"
    & skf21("3","3","1","4","3","1","6","1") = "5"
    & skf21("3","3","1","4","3","1","7","1") = "6"
    & skf21("3","3","1","4","3","2","1","1") = "3"
    & skf21("3","3","1","4","3","2","2","1") = "3"
    & skf21("3","3","1","4","3","2","3","1") = "3"
    & skf21("3","3","1","4","3","2","4","1") = "3"
    & skf21("3","3","1","4","3","2","5","1") = "4"
    & skf21("3","3","1","4","3","2","6","1") = "5"
    & skf21("3","3","1","4","3","2","7","1") = "6"
    & skf21("3","3","1","4","3","3","1","1") = "3"
    & skf21("3","3","1","4","3","3","2","1") = "3"
    & skf21("3","3","1","4","3","3","3","1") = "3"
    & skf21("3","3","1","4","3","3","4","1") = "3"
    & skf21("3","3","1","4","3","3","5","1") = "4"
    & skf21("3","3","1","4","3","3","6","1") = "5"
    & skf21("3","3","1","4","3","3","7","1") = "6"
    & skf21("3","3","1","4","3","4","1","1") = "3"
    & skf21("3","3","1","4","3","4","2","1") = "3"
    & skf21("3","3","1","4","3","4","3","1") = "3"
    & skf21("3","3","1","4","3","4","4","1") = "3"
    & skf21("3","3","1","4","3","4","5","1") = "4"
    & skf21("3","3","1","4","3","4","6","1") = "5"
    & skf21("3","3","1","4","3","4","7","1") = "6"
    & skf21("3","3","1","4","3","5","1","1") = "4"
    & skf21("3","3","1","4","3","5","2","1") = "4"
    & skf21("3","3","1","4","3","5","3","1") = "4"
    & skf21("3","3","1","4","3","5","4","1") = "4"
    & skf21("3","3","1","4","3","5","5","1") = "4"
    & skf21("3","3","1","4","3","5","6","1") = "5"
    & skf21("3","3","1","4","3","5","7","1") = "6"
    & skf21("3","3","1","4","3","6","1","1") = "5"
    & skf21("3","3","1","4","3","6","2","1") = "5"
    & skf21("3","3","1","4","3","6","3","1") = "5"
    & skf21("3","3","1","4","3","6","4","1") = "5"
    & skf21("3","3","1","4","3","6","5","1") = "5"
    & skf21("3","3","1","4","3","6","6","1") = "5"
    & skf21("3","3","1","4","3","6","7","1") = "6"
    & skf21("3","3","1","4","3","7","1","1") = "6"
    & skf21("3","3","1","4","3","7","2","1") = "6"
    & skf21("3","3","1","4","3","7","3","1") = "6"
    & skf21("3","3","1","4","3","7","4","1") = "6"
    & skf21("3","3","1","4","3","7","5","1") = "6"
    & skf21("3","3","1","4","3","7","6","1") = "6"
    & skf21("3","3","1","4","3","7","7","1") = "6"
    & skf21("3","3","1","4","4","1","1","1") = "3"
    & skf21("3","3","1","4","4","1","2","1") = "3"
    & skf21("3","3","1","4","4","1","3","1") = "3"
    & skf21("3","3","1","4","4","1","4","1") = "3"
    & skf21("3","3","1","4","4","1","5","1") = "4"
    & skf21("3","3","1","4","4","1","6","1") = "5"
    & skf21("3","3","1","4","4","1","7","1") = "6"
    & skf21("3","3","1","4","4","2","1","1") = "3"
    & skf21("3","3","1","4","4","2","2","1") = "3"
    & skf21("3","3","1","4","4","2","3","1") = "3"
    & skf21("3","3","1","4","4","2","4","1") = "3"
    & skf21("3","3","1","4","4","2","5","1") = "4"
    & skf21("3","3","1","4","4","2","6","1") = "5"
    & skf21("3","3","1","4","4","2","7","1") = "6"
    & skf21("3","3","1","4","4","3","1","1") = "3"
    & skf21("3","3","1","4","4","3","2","1") = "3"
    & skf21("3","3","1","4","4","3","3","1") = "3"
    & skf21("3","3","1","4","4","3","4","1") = "3"
    & skf21("3","3","1","4","4","3","5","1") = "4"
    & skf21("3","3","1","4","4","3","6","1") = "5"
    & skf21("3","3","1","4","4","3","7","1") = "6"
    & skf21("3","3","1","4","4","4","1","1") = "3"
    & skf21("3","3","1","4","4","4","2","1") = "3"
    & skf21("3","3","1","4","4","4","3","1") = "3"
    & skf21("3","3","1","4","4","4","4","1") = "3"
    & skf21("3","3","1","4","4","4","5","1") = "4"
    & skf21("3","3","1","4","4","4","6","1") = "5"
    & skf21("3","3","1","4","4","4","7","1") = "6"
    & skf21("3","3","1","4","4","5","1","1") = "4"
    & skf21("3","3","1","4","4","5","2","1") = "4"
    & skf21("3","3","1","4","4","5","3","1") = "4"
    & skf21("3","3","1","4","4","5","4","1") = "4"
    & skf21("3","3","1","4","4","5","5","1") = "4"
    & skf21("3","3","1","4","4","5","6","1") = "5"
    & skf21("3","3","1","4","4","5","7","1") = "6"
    & skf21("3","3","1","4","4","6","1","1") = "5"
    & skf21("3","3","1","4","4","6","2","1") = "5"
    & skf21("3","3","1","4","4","6","3","1") = "5"
    & skf21("3","3","1","4","4","6","4","1") = "5"
    & skf21("3","3","1","4","4","6","5","1") = "5"
    & skf21("3","3","1","4","4","6","6","1") = "5"
    & skf21("3","3","1","4","4","6","7","1") = "6"
    & skf21("3","3","1","4","4","7","1","1") = "6"
    & skf21("3","3","1","4","4","7","2","1") = "6"
    & skf21("3","3","1","4","4","7","3","1") = "6"
    & skf21("3","3","1","4","4","7","4","1") = "6"
    & skf21("3","3","1","4","4","7","5","1") = "6"
    & skf21("3","3","1","4","4","7","6","1") = "6"
    & skf21("3","3","1","4","4","7","7","1") = "6"
    & skf21("3","3","1","4","5","1","1","1") = "4"
    & skf21("3","3","1","4","5","1","2","1") = "4"
    & skf21("3","3","1","4","5","1","3","1") = "4"
    & skf21("3","3","1","4","5","1","4","1") = "4"
    & skf21("3","3","1","4","5","1","5","1") = "4"
    & skf21("3","3","1","4","5","1","6","1") = "5"
    & skf21("3","3","1","4","5","1","7","1") = "6"
    & skf21("3","3","1","4","5","2","1","1") = "4"
    & skf21("3","3","1","4","5","2","2","1") = "4"
    & skf21("3","3","1","4","5","2","3","1") = "4"
    & skf21("3","3","1","4","5","2","4","1") = "4"
    & skf21("3","3","1","4","5","2","5","1") = "4"
    & skf21("3","3","1","4","5","2","6","1") = "5"
    & skf21("3","3","1","4","5","2","7","1") = "6"
    & skf21("3","3","1","4","5","3","1","1") = "4"
    & skf21("3","3","1","4","5","3","2","1") = "4"
    & skf21("3","3","1","4","5","3","3","1") = "4"
    & skf21("3","3","1","4","5","3","4","1") = "4"
    & skf21("3","3","1","4","5","3","5","1") = "4"
    & skf21("3","3","1","4","5","3","6","1") = "5"
    & skf21("3","3","1","4","5","3","7","1") = "6"
    & skf21("3","3","1","4","5","4","1","1") = "4"
    & skf21("3","3","1","4","5","4","2","1") = "4"
    & skf21("3","3","1","4","5","4","3","1") = "4"
    & skf21("3","3","1","4","5","4","4","1") = "4"
    & skf21("3","3","1","4","5","4","5","1") = "4"
    & skf21("3","3","1","4","5","4","6","1") = "5"
    & skf21("3","3","1","4","5","4","7","1") = "6"
    & skf21("3","3","1","4","5","5","1","1") = "4"
    & skf21("3","3","1","4","5","5","2","1") = "4"
    & skf21("3","3","1","4","5","5","3","1") = "4"
    & skf21("3","3","1","4","5","5","4","1") = "4"
    & skf21("3","3","1","4","5","5","5","1") = "4"
    & skf21("3","3","1","4","5","5","6","1") = "5"
    & skf21("3","3","1","4","5","5","7","1") = "6"
    & skf21("3","3","1","4","5","6","1","1") = "5"
    & skf21("3","3","1","4","5","6","2","1") = "5"
    & skf21("3","3","1","4","5","6","3","1") = "5"
    & skf21("3","3","1","4","5","6","4","1") = "5"
    & skf21("3","3","1","4","5","6","5","1") = "5"
    & skf21("3","3","1","4","5","6","6","1") = "5"
    & skf21("3","3","1","4","5","6","7","1") = "6"
    & skf21("3","3","1","4","5","7","1","1") = "6"
    & skf21("3","3","1","4","5","7","2","1") = "6"
    & skf21("3","3","1","4","5","7","3","1") = "6"
    & skf21("3","3","1","4","5","7","4","1") = "6"
    & skf21("3","3","1","4","5","7","5","1") = "6"
    & skf21("3","3","1","4","5","7","6","1") = "6"
    & skf21("3","3","1","4","5","7","7","1") = "6"
    & skf21("3","3","1","4","6","1","1","1") = "5"
    & skf21("3","3","1","4","6","1","2","1") = "5"
    & skf21("3","3","1","4","6","1","3","1") = "5"
    & skf21("3","3","1","4","6","1","4","1") = "5"
    & skf21("3","3","1","4","6","1","5","1") = "5"
    & skf21("3","3","1","4","6","1","6","1") = "5"
    & skf21("3","3","1","4","6","1","7","1") = "6"
    & skf21("3","3","1","4","6","2","1","1") = "5"
    & skf21("3","3","1","4","6","2","2","1") = "5"
    & skf21("3","3","1","4","6","2","3","1") = "5"
    & skf21("3","3","1","4","6","2","4","1") = "5"
    & skf21("3","3","1","4","6","2","5","1") = "5"
    & skf21("3","3","1","4","6","2","6","1") = "5"
    & skf21("3","3","1","4","6","2","7","1") = "6"
    & skf21("3","3","1","4","6","3","1","1") = "5"
    & skf21("3","3","1","4","6","3","2","1") = "5"
    & skf21("3","3","1","4","6","3","3","1") = "5"
    & skf21("3","3","1","4","6","3","4","1") = "5"
    & skf21("3","3","1","4","6","3","5","1") = "5"
    & skf21("3","3","1","4","6","3","6","1") = "5"
    & skf21("3","3","1","4","6","3","7","1") = "6"
    & skf21("3","3","1","4","6","4","1","1") = "5"
    & skf21("3","3","1","4","6","4","2","1") = "5"
    & skf21("3","3","1","4","6","4","3","1") = "5"
    & skf21("3","3","1","4","6","4","4","1") = "5"
    & skf21("3","3","1","4","6","4","5","1") = "5"
    & skf21("3","3","1","4","6","4","6","1") = "5"
    & skf21("3","3","1","4","6","4","7","1") = "6"
    & skf21("3","3","1","4","6","5","1","1") = "5"
    & skf21("3","3","1","4","6","5","2","1") = "5"
    & skf21("3","3","1","4","6","5","3","1") = "5"
    & skf21("3","3","1","4","6","5","4","1") = "5"
    & skf21("3","3","1","4","6","5","5","1") = "5"
    & skf21("3","3","1","4","6","5","6","1") = "5"
    & skf21("3","3","1","4","6","5","7","1") = "6"
    & skf21("3","3","1","4","6","6","1","1") = "5"
    & skf21("3","3","1","4","6","6","2","1") = "5"
    & skf21("3","3","1","4","6","6","3","1") = "5"
    & skf21("3","3","1","4","6","6","4","1") = "5"
    & skf21("3","3","1","4","6","6","5","1") = "5"
    & skf21("3","3","1","4","6","6","6","1") = "5"
    & skf21("3","3","1","4","6","6","7","1") = "6"
    & skf21("3","3","1","4","6","7","1","1") = "6"
    & skf21("3","3","1","4","6","7","2","1") = "6"
    & skf21("3","3","1","4","6","7","3","1") = "6"
    & skf21("3","3","1","4","6","7","4","1") = "6"
    & skf21("3","3","1","4","6","7","5","1") = "6"
    & skf21("3","3","1","4","6","7","6","1") = "6"
    & skf21("3","3","1","4","6","7","7","1") = "6"
    & skf21("3","3","1","4","7","1","1","1") = "6"
    & skf21("3","3","1","4","7","1","2","1") = "6"
    & skf21("3","3","1","4","7","1","3","1") = "6"
    & skf21("3","3","1","4","7","1","4","1") = "6"
    & skf21("3","3","1","4","7","1","5","1") = "6"
    & skf21("3","3","1","4","7","1","6","1") = "6"
    & skf21("3","3","1","4","7","1","7","1") = "6"
    & skf21("3","3","1","4","7","2","1","1") = "6"
    & skf21("3","3","1","4","7","2","2","1") = "6"
    & skf21("3","3","1","4","7","2","3","1") = "6"
    & skf21("3","3","1","4","7","2","4","1") = "6"
    & skf21("3","3","1","4","7","2","5","1") = "6"
    & skf21("3","3","1","4","7","2","6","1") = "6"
    & skf21("3","3","1","4","7","2","7","1") = "6"
    & skf21("3","3","1","4","7","3","1","1") = "6"
    & skf21("3","3","1","4","7","3","2","1") = "6"
    & skf21("3","3","1","4","7","3","3","1") = "6"
    & skf21("3","3","1","4","7","3","4","1") = "6"
    & skf21("3","3","1","4","7","3","5","1") = "6"
    & skf21("3","3","1","4","7","3","6","1") = "6"
    & skf21("3","3","1","4","7","3","7","1") = "6"
    & skf21("3","3","1","4","7","4","1","1") = "6"
    & skf21("3","3","1","4","7","4","2","1") = "6"
    & skf21("3","3","1","4","7","4","3","1") = "6"
    & skf21("3","3","1","4","7","4","4","1") = "6"
    & skf21("3","3","1","4","7","4","5","1") = "6"
    & skf21("3","3","1","4","7","4","6","1") = "6"
    & skf21("3","3","1","4","7","4","7","1") = "6"
    & skf21("3","3","1","4","7","5","1","1") = "6"
    & skf21("3","3","1","4","7","5","2","1") = "6"
    & skf21("3","3","1","4","7","5","3","1") = "6"
    & skf21("3","3","1","4","7","5","4","1") = "6"
    & skf21("3","3","1","4","7","5","5","1") = "6"
    & skf21("3","3","1","4","7","5","6","1") = "6"
    & skf21("3","3","1","4","7","5","7","1") = "6"
    & skf21("3","3","1","4","7","6","1","1") = "6"
    & skf21("3","3","1","4","7","6","2","1") = "6"
    & skf21("3","3","1","4","7","6","3","1") = "6"
    & skf21("3","3","1","4","7","6","4","1") = "6"
    & skf21("3","3","1","4","7","6","5","1") = "6"
    & skf21("3","3","1","4","7","6","6","1") = "6"
    & skf21("3","3","1","4","7","6","7","1") = "6"
    & skf21("3","3","1","4","7","7","1","1") = "6"
    & skf21("3","3","1","4","7","7","2","1") = "6"
    & skf21("3","3","1","4","7","7","3","1") = "6"
    & skf21("3","3","1","4","7","7","4","1") = "6"
    & skf21("3","3","1","4","7","7","5","1") = "6"
    & skf21("3","3","1","4","7","7","6","1") = "6"
    & skf21("3","3","1","4","7","7","7","1") = "6"
    & skf21("3","3","1","5","1","1","1","1") = "4"
    & skf21("3","3","1","5","1","1","2","1") = "4"
    & skf21("3","3","1","5","1","1","3","1") = "4"
    & skf21("3","3","1","5","1","1","4","1") = "4"
    & skf21("3","3","1","5","1","1","5","1") = "4"
    & skf21("3","3","1","5","1","1","6","1") = "5"
    & skf21("3","3","1","5","1","1","7","1") = "6"
    & skf21("3","3","1","5","1","2","1","1") = "4"
    & skf21("3","3","1","5","1","2","2","1") = "4"
    & skf21("3","3","1","5","1","2","3","1") = "4"
    & skf21("3","3","1","5","1","2","4","1") = "4"
    & skf21("3","3","1","5","1","2","5","1") = "4"
    & skf21("3","3","1","5","1","2","6","1") = "5"
    & skf21("3","3","1","5","1","2","7","1") = "6"
    & skf21("3","3","1","5","1","3","1","1") = "4"
    & skf21("3","3","1","5","1","3","2","1") = "4"
    & skf21("3","3","1","5","1","3","3","1") = "4"
    & skf21("3","3","1","5","1","3","4","1") = "4"
    & skf21("3","3","1","5","1","3","5","1") = "4"
    & skf21("3","3","1","5","1","3","6","1") = "5"
    & skf21("3","3","1","5","1","3","7","1") = "6"
    & skf21("3","3","1","5","1","4","1","1") = "4"
    & skf21("3","3","1","5","1","4","2","1") = "4"
    & skf21("3","3","1","5","1","4","3","1") = "4"
    & skf21("3","3","1","5","1","4","4","1") = "4"
    & skf21("3","3","1","5","1","4","5","1") = "4"
    & skf21("3","3","1","5","1","4","6","1") = "5"
    & skf21("3","3","1","5","1","4","7","1") = "6"
    & skf21("3","3","1","5","1","5","1","1") = "4"
    & skf21("3","3","1","5","1","5","2","1") = "4"
    & skf21("3","3","1","5","1","5","3","1") = "4"
    & skf21("3","3","1","5","1","5","4","1") = "4"
    & skf21("3","3","1","5","1","5","5","1") = "4"
    & skf21("3","3","1","5","1","5","6","1") = "5"
    & skf21("3","3","1","5","1","5","7","1") = "6"
    & skf21("3","3","1","5","1","6","1","1") = "5"
    & skf21("3","3","1","5","1","6","2","1") = "5"
    & skf21("3","3","1","5","1","6","3","1") = "5"
    & skf21("3","3","1","5","1","6","4","1") = "5"
    & skf21("3","3","1","5","1","6","5","1") = "5"
    & skf21("3","3","1","5","1","6","6","1") = "5"
    & skf21("3","3","1","5","1","6","7","1") = "6"
    & skf21("3","3","1","5","1","7","1","1") = "6"
    & skf21("3","3","1","5","1","7","2","1") = "6"
    & skf21("3","3","1","5","1","7","3","1") = "6"
    & skf21("3","3","1","5","1","7","4","1") = "6"
    & skf21("3","3","1","5","1","7","5","1") = "6"
    & skf21("3","3","1","5","1","7","6","1") = "6"
    & skf21("3","3","1","5","1","7","7","1") = "6"
    & skf21("3","3","1","5","2","1","1","1") = "4"
    & skf21("3","3","1","5","2","1","2","1") = "4"
    & skf21("3","3","1","5","2","1","3","1") = "4"
    & skf21("3","3","1","5","2","1","4","1") = "4"
    & skf21("3","3","1","5","2","1","5","1") = "4"
    & skf21("3","3","1","5","2","1","6","1") = "5"
    & skf21("3","3","1","5","2","1","7","1") = "6"
    & skf21("3","3","1","5","2","2","1","1") = "4"
    & skf21("3","3","1","5","2","2","2","1") = "4"
    & skf21("3","3","1","5","2","2","3","1") = "4"
    & skf21("3","3","1","5","2","2","4","1") = "4"
    & skf21("3","3","1","5","2","2","5","1") = "4"
    & skf21("3","3","1","5","2","2","6","1") = "5"
    & skf21("3","3","1","5","2","2","7","1") = "6"
    & skf21("3","3","1","5","2","3","1","1") = "4"
    & skf21("3","3","1","5","2","3","2","1") = "4"
    & skf21("3","3","1","5","2","3","3","1") = "4"
    & skf21("3","3","1","5","2","3","4","1") = "4"
    & skf21("3","3","1","5","2","3","5","1") = "4"
    & skf21("3","3","1","5","2","3","6","1") = "5"
    & skf21("3","3","1","5","2","3","7","1") = "6"
    & skf21("3","3","1","5","2","4","1","1") = "4"
    & skf21("3","3","1","5","2","4","2","1") = "4"
    & skf21("3","3","1","5","2","4","3","1") = "4"
    & skf21("3","3","1","5","2","4","4","1") = "4"
    & skf21("3","3","1","5","2","4","5","1") = "4"
    & skf21("3","3","1","5","2","4","6","1") = "5"
    & skf21("3","3","1","5","2","4","7","1") = "6"
    & skf21("3","3","1","5","2","5","1","1") = "4"
    & skf21("3","3","1","5","2","5","2","1") = "4"
    & skf21("3","3","1","5","2","5","3","1") = "4"
    & skf21("3","3","1","5","2","5","4","1") = "4"
    & skf21("3","3","1","5","2","5","5","1") = "4"
    & skf21("3","3","1","5","2","5","6","1") = "5"
    & skf21("3","3","1","5","2","5","7","1") = "6"
    & skf21("3","3","1","5","2","6","1","1") = "5"
    & skf21("3","3","1","5","2","6","2","1") = "5"
    & skf21("3","3","1","5","2","6","3","1") = "5"
    & skf21("3","3","1","5","2","6","4","1") = "5"
    & skf21("3","3","1","5","2","6","5","1") = "5"
    & skf21("3","3","1","5","2","6","6","1") = "5"
    & skf21("3","3","1","5","2","6","7","1") = "6"
    & skf21("3","3","1","5","2","7","1","1") = "6"
    & skf21("3","3","1","5","2","7","2","1") = "6"
    & skf21("3","3","1","5","2","7","3","1") = "6"
    & skf21("3","3","1","5","2","7","4","1") = "6"
    & skf21("3","3","1","5","2","7","5","1") = "6"
    & skf21("3","3","1","5","2","7","6","1") = "6"
    & skf21("3","3","1","5","2","7","7","1") = "6"
    & skf21("3","3","1","5","3","1","1","1") = "4"
    & skf21("3","3","1","5","3","1","2","1") = "4"
    & skf21("3","3","1","5","3","1","3","1") = "4"
    & skf21("3","3","1","5","3","1","4","1") = "4"
    & skf21("3","3","1","5","3","1","5","1") = "4"
    & skf21("3","3","1","5","3","1","6","1") = "5"
    & skf21("3","3","1","5","3","1","7","1") = "6"
    & skf21("3","3","1","5","3","2","1","1") = "4"
    & skf21("3","3","1","5","3","2","2","1") = "4"
    & skf21("3","3","1","5","3","2","3","1") = "4"
    & skf21("3","3","1","5","3","2","4","1") = "4"
    & skf21("3","3","1","5","3","2","5","1") = "4"
    & skf21("3","3","1","5","3","2","6","1") = "5"
    & skf21("3","3","1","5","3","2","7","1") = "6"
    & skf21("3","3","1","5","3","3","1","1") = "4"
    & skf21("3","3","1","5","3","3","2","1") = "4"
    & skf21("3","3","1","5","3","3","3","1") = "4"
    & skf21("3","3","1","5","3","3","4","1") = "4"
    & skf21("3","3","1","5","3","3","5","1") = "4"
    & skf21("3","3","1","5","3","3","6","1") = "5"
    & skf21("3","3","1","5","3","3","7","1") = "6"
    & skf21("3","3","1","5","3","4","1","1") = "4"
    & skf21("3","3","1","5","3","4","2","1") = "4"
    & skf21("3","3","1","5","3","4","3","1") = "4"
    & skf21("3","3","1","5","3","4","4","1") = "4"
    & skf21("3","3","1","5","3","4","5","1") = "4"
    & skf21("3","3","1","5","3","4","6","1") = "5"
    & skf21("3","3","1","5","3","4","7","1") = "6"
    & skf21("3","3","1","5","3","5","1","1") = "4"
    & skf21("3","3","1","5","3","5","2","1") = "4"
    & skf21("3","3","1","5","3","5","3","1") = "4"
    & skf21("3","3","1","5","3","5","4","1") = "4"
    & skf21("3","3","1","5","3","5","5","1") = "4"
    & skf21("3","3","1","5","3","5","6","1") = "5"
    & skf21("3","3","1","5","3","5","7","1") = "6"
    & skf21("3","3","1","5","3","6","1","1") = "5"
    & skf21("3","3","1","5","3","6","2","1") = "5"
    & skf21("3","3","1","5","3","6","3","1") = "5"
    & skf21("3","3","1","5","3","6","4","1") = "5"
    & skf21("3","3","1","5","3","6","5","1") = "5"
    & skf21("3","3","1","5","3","6","6","1") = "5"
    & skf21("3","3","1","5","3","6","7","1") = "6"
    & skf21("3","3","1","5","3","7","1","1") = "6"
    & skf21("3","3","1","5","3","7","2","1") = "6"
    & skf21("3","3","1","5","3","7","3","1") = "6"
    & skf21("3","3","1","5","3","7","4","1") = "6"
    & skf21("3","3","1","5","3","7","5","1") = "6"
    & skf21("3","3","1","5","3","7","6","1") = "6"
    & skf21("3","3","1","5","3","7","7","1") = "6"
    & skf21("3","3","1","5","4","1","1","1") = "4"
    & skf21("3","3","1","5","4","1","2","1") = "4"
    & skf21("3","3","1","5","4","1","3","1") = "4"
    & skf21("3","3","1","5","4","1","4","1") = "4"
    & skf21("3","3","1","5","4","1","5","1") = "4"
    & skf21("3","3","1","5","4","1","6","1") = "5"
    & skf21("3","3","1","5","4","1","7","1") = "6"
    & skf21("3","3","1","5","4","2","1","1") = "4"
    & skf21("3","3","1","5","4","2","2","1") = "4"
    & skf21("3","3","1","5","4","2","3","1") = "4"
    & skf21("3","3","1","5","4","2","4","1") = "4"
    & skf21("3","3","1","5","4","2","5","1") = "4"
    & skf21("3","3","1","5","4","2","6","1") = "5"
    & skf21("3","3","1","5","4","2","7","1") = "6"
    & skf21("3","3","1","5","4","3","1","1") = "4"
    & skf21("3","3","1","5","4","3","2","1") = "4"
    & skf21("3","3","1","5","4","3","3","1") = "4"
    & skf21("3","3","1","5","4","3","4","1") = "4"
    & skf21("3","3","1","5","4","3","5","1") = "4"
    & skf21("3","3","1","5","4","3","6","1") = "5"
    & skf21("3","3","1","5","4","3","7","1") = "6"
    & skf21("3","3","1","5","4","4","1","1") = "4"
    & skf21("3","3","1","5","4","4","2","1") = "4"
    & skf21("3","3","1","5","4","4","3","1") = "4"
    & skf21("3","3","1","5","4","4","4","1") = "4"
    & skf21("3","3","1","5","4","4","5","1") = "4"
    & skf21("3","3","1","5","4","4","6","1") = "5"
    & skf21("3","3","1","5","4","4","7","1") = "6"
    & skf21("3","3","1","5","4","5","1","1") = "4"
    & skf21("3","3","1","5","4","5","2","1") = "4"
    & skf21("3","3","1","5","4","5","3","1") = "4"
    & skf21("3","3","1","5","4","5","4","1") = "4"
    & skf21("3","3","1","5","4","5","5","1") = "4"
    & skf21("3","3","1","5","4","5","6","1") = "5"
    & skf21("3","3","1","5","4","5","7","1") = "6"
    & skf21("3","3","1","5","4","6","1","1") = "5"
    & skf21("3","3","1","5","4","6","2","1") = "5"
    & skf21("3","3","1","5","4","6","3","1") = "5"
    & skf21("3","3","1","5","4","6","4","1") = "5"
    & skf21("3","3","1","5","4","6","5","1") = "5"
    & skf21("3","3","1","5","4","6","6","1") = "5"
    & skf21("3","3","1","5","4","6","7","1") = "6"
    & skf21("3","3","1","5","4","7","1","1") = "6"
    & skf21("3","3","1","5","4","7","2","1") = "6"
    & skf21("3","3","1","5","4","7","3","1") = "6"
    & skf21("3","3","1","5","4","7","4","1") = "6"
    & skf21("3","3","1","5","4","7","5","1") = "6"
    & skf21("3","3","1","5","4","7","6","1") = "6"
    & skf21("3","3","1","5","4","7","7","1") = "6"
    & skf21("3","3","1","5","5","1","1","1") = "4"
    & skf21("3","3","1","5","5","1","2","1") = "4"
    & skf21("3","3","1","5","5","1","3","1") = "4"
    & skf21("3","3","1","5","5","1","4","1") = "4"
    & skf21("3","3","1","5","5","1","5","1") = "4"
    & skf21("3","3","1","5","5","1","6","1") = "5"
    & skf21("3","3","1","5","5","1","7","1") = "6"
    & skf21("3","3","1","5","5","2","1","1") = "4"
    & skf21("3","3","1","5","5","2","2","1") = "4"
    & skf21("3","3","1","5","5","2","3","1") = "4"
    & skf21("3","3","1","5","5","2","4","1") = "4"
    & skf21("3","3","1","5","5","2","5","1") = "4"
    & skf21("3","3","1","5","5","2","6","1") = "5"
    & skf21("3","3","1","5","5","2","7","1") = "6"
    & skf21("3","3","1","5","5","3","1","1") = "4"
    & skf21("3","3","1","5","5","3","2","1") = "4"
    & skf21("3","3","1","5","5","3","3","1") = "4"
    & skf21("3","3","1","5","5","3","4","1") = "4"
    & skf21("3","3","1","5","5","3","5","1") = "4"
    & skf21("3","3","1","5","5","3","6","1") = "5"
    & skf21("3","3","1","5","5","3","7","1") = "6"
    & skf21("3","3","1","5","5","4","1","1") = "4"
    & skf21("3","3","1","5","5","4","2","1") = "4"
    & skf21("3","3","1","5","5","4","3","1") = "4"
    & skf21("3","3","1","5","5","4","4","1") = "4"
    & skf21("3","3","1","5","5","4","5","1") = "4"
    & skf21("3","3","1","5","5","4","6","1") = "5"
    & skf21("3","3","1","5","5","4","7","1") = "6"
    & skf21("3","3","1","5","5","5","1","1") = "4"
    & skf21("3","3","1","5","5","5","2","1") = "4"
    & skf21("3","3","1","5","5","5","3","1") = "4"
    & skf21("3","3","1","5","5","5","4","1") = "4"
    & skf21("3","3","1","5","5","5","5","1") = "4"
    & skf21("3","3","1","5","5","5","6","1") = "5"
    & skf21("3","3","1","5","5","5","7","1") = "6"
    & skf21("3","3","1","5","5","6","1","1") = "5"
    & skf21("3","3","1","5","5","6","2","1") = "5"
    & skf21("3","3","1","5","5","6","3","1") = "5"
    & skf21("3","3","1","5","5","6","4","1") = "5"
    & skf21("3","3","1","5","5","6","5","1") = "5"
    & skf21("3","3","1","5","5","6","6","1") = "5"
    & skf21("3","3","1","5","5","6","7","1") = "6"
    & skf21("3","3","1","5","5","7","1","1") = "6"
    & skf21("3","3","1","5","5","7","2","1") = "6"
    & skf21("3","3","1","5","5","7","3","1") = "6"
    & skf21("3","3","1","5","5","7","4","1") = "6"
    & skf21("3","3","1","5","5","7","5","1") = "6"
    & skf21("3","3","1","5","5","7","6","1") = "6"
    & skf21("3","3","1","5","5","7","7","1") = "6"
    & skf21("3","3","1","5","6","1","1","1") = "5"
    & skf21("3","3","1","5","6","1","2","1") = "5"
    & skf21("3","3","1","5","6","1","3","1") = "5"
    & skf21("3","3","1","5","6","1","4","1") = "5"
    & skf21("3","3","1","5","6","1","5","1") = "5"
    & skf21("3","3","1","5","6","1","6","1") = "5"
    & skf21("3","3","1","5","6","1","7","1") = "6"
    & skf21("3","3","1","5","6","2","1","1") = "5"
    & skf21("3","3","1","5","6","2","2","1") = "5"
    & skf21("3","3","1","5","6","2","3","1") = "5"
    & skf21("3","3","1","5","6","2","4","1") = "5"
    & skf21("3","3","1","5","6","2","5","1") = "5"
    & skf21("3","3","1","5","6","2","6","1") = "5"
    & skf21("3","3","1","5","6","2","7","1") = "6"
    & skf21("3","3","1","5","6","3","1","1") = "5"
    & skf21("3","3","1","5","6","3","2","1") = "5"
    & skf21("3","3","1","5","6","3","3","1") = "5"
    & skf21("3","3","1","5","6","3","4","1") = "5"
    & skf21("3","3","1","5","6","3","5","1") = "5"
    & skf21("3","3","1","5","6","3","6","1") = "5"
    & skf21("3","3","1","5","6","3","7","1") = "6"
    & skf21("3","3","1","5","6","4","1","1") = "5"
    & skf21("3","3","1","5","6","4","2","1") = "5"
    & skf21("3","3","1","5","6","4","3","1") = "5"
    & skf21("3","3","1","5","6","4","4","1") = "5"
    & skf21("3","3","1","5","6","4","5","1") = "5"
    & skf21("3","3","1","5","6","4","6","1") = "5"
    & skf21("3","3","1","5","6","4","7","1") = "6"
    & skf21("3","3","1","5","6","5","1","1") = "5"
    & skf21("3","3","1","5","6","5","2","1") = "5"
    & skf21("3","3","1","5","6","5","3","1") = "5"
    & skf21("3","3","1","5","6","5","4","1") = "5"
    & skf21("3","3","1","5","6","5","5","1") = "5"
    & skf21("3","3","1","5","6","5","6","1") = "5"
    & skf21("3","3","1","5","6","5","7","1") = "6"
    & skf21("3","3","1","5","6","6","1","1") = "5"
    & skf21("3","3","1","5","6","6","2","1") = "5"
    & skf21("3","3","1","5","6","6","3","1") = "5"
    & skf21("3","3","1","5","6","6","4","1") = "5"
    & skf21("3","3","1","5","6","6","5","1") = "5"
    & skf21("3","3","1","5","6","6","6","1") = "5"
    & skf21("3","3","1","5","6","6","7","1") = "6"
    & skf21("3","3","1","5","6","7","1","1") = "6"
    & skf21("3","3","1","5","6","7","2","1") = "6"
    & skf21("3","3","1","5","6","7","3","1") = "6"
    & skf21("3","3","1","5","6","7","4","1") = "6"
    & skf21("3","3","1","5","6","7","5","1") = "6"
    & skf21("3","3","1","5","6","7","6","1") = "6"
    & skf21("3","3","1","5","6","7","7","1") = "6"
    & skf21("3","3","1","5","7","1","1","1") = "6"
    & skf21("3","3","1","5","7","1","2","1") = "6"
    & skf21("3","3","1","5","7","1","3","1") = "6"
    & skf21("3","3","1","5","7","1","4","1") = "6"
    & skf21("3","3","1","5","7","1","5","1") = "6"
    & skf21("3","3","1","5","7","1","6","1") = "6"
    & skf21("3","3","1","5","7","1","7","1") = "6"
    & skf21("3","3","1","5","7","2","1","1") = "6"
    & skf21("3","3","1","5","7","2","2","1") = "6"
    & skf21("3","3","1","5","7","2","3","1") = "6"
    & skf21("3","3","1","5","7","2","4","1") = "6"
    & skf21("3","3","1","5","7","2","5","1") = "6"
    & skf21("3","3","1","5","7","2","6","1") = "6"
    & skf21("3","3","1","5","7","2","7","1") = "6"
    & skf21("3","3","1","5","7","3","1","1") = "6"
    & skf21("3","3","1","5","7","3","2","1") = "6"
    & skf21("3","3","1","5","7","3","3","1") = "6"
    & skf21("3","3","1","5","7","3","4","1") = "6"
    & skf21("3","3","1","5","7","3","5","1") = "6"
    & skf21("3","3","1","5","7","3","6","1") = "6"
    & skf21("3","3","1","5","7","3","7","1") = "6"
    & skf21("3","3","1","5","7","4","1","1") = "6"
    & skf21("3","3","1","5","7","4","2","1") = "6"
    & skf21("3","3","1","5","7","4","3","1") = "6"
    & skf21("3","3","1","5","7","4","4","1") = "6"
    & skf21("3","3","1","5","7","4","5","1") = "6"
    & skf21("3","3","1","5","7","4","6","1") = "6"
    & skf21("3","3","1","5","7","4","7","1") = "6"
    & skf21("3","3","1","5","7","5","1","1") = "6"
    & skf21("3","3","1","5","7","5","2","1") = "6"
    & skf21("3","3","1","5","7","5","3","1") = "6"
    & skf21("3","3","1","5","7","5","4","1") = "6"
    & skf21("3","3","1","5","7","5","5","1") = "6"
    & skf21("3","3","1","5","7","5","6","1") = "6"
    & skf21("3","3","1","5","7","5","7","1") = "6"
    & skf21("3","3","1","5","7","6","1","1") = "6"
    & skf21("3","3","1","5","7","6","2","1") = "6"
    & skf21("3","3","1","5","7","6","3","1") = "6"
    & skf21("3","3","1","5","7","6","4","1") = "6"
    & skf21("3","3","1","5","7","6","5","1") = "6"
    & skf21("3","3","1","5","7","6","6","1") = "6"
    & skf21("3","3","1","5","7","6","7","1") = "6"
    & skf21("3","3","1","5","7","7","1","1") = "6"
    & skf21("3","3","1","5","7","7","2","1") = "6"
    & skf21("3","3","1","5","7","7","3","1") = "6"
    & skf21("3","3","1","5","7","7","4","1") = "6"
    & skf21("3","3","1","5","7","7","5","1") = "6"
    & skf21("3","3","1","5","7","7","6","1") = "6"
    & skf21("3","3","1","5","7","7","7","1") = "6"
    & skf21("3","3","1","6","1","1","1","1") = "5"
    & skf21("3","3","1","6","1","1","2","1") = "5"
    & skf21("3","3","1","6","1","1","3","1") = "5"
    & skf21("3","3","1","6","1","1","4","1") = "5"
    & skf21("3","3","1","6","1","1","5","1") = "5"
    & skf21("3","3","1","6","1","1","6","1") = "5"
    & skf21("3","3","1","6","1","1","7","1") = "6"
    & skf21("3","3","1","6","1","2","1","1") = "5"
    & skf21("3","3","1","6","1","2","2","1") = "5"
    & skf21("3","3","1","6","1","2","3","1") = "5"
    & skf21("3","3","1","6","1","2","4","1") = "5"
    & skf21("3","3","1","6","1","2","5","1") = "5"
    & skf21("3","3","1","6","1","2","6","1") = "5"
    & skf21("3","3","1","6","1","2","7","1") = "6"
    & skf21("3","3","1","6","1","3","1","1") = "5"
    & skf21("3","3","1","6","1","3","2","1") = "5"
    & skf21("3","3","1","6","1","3","3","1") = "5"
    & skf21("3","3","1","6","1","3","4","1") = "5"
    & skf21("3","3","1","6","1","3","5","1") = "5"
    & skf21("3","3","1","6","1","3","6","1") = "5"
    & skf21("3","3","1","6","1","3","7","1") = "6"
    & skf21("3","3","1","6","1","4","1","1") = "5"
    & skf21("3","3","1","6","1","4","2","1") = "5"
    & skf21("3","3","1","6","1","4","3","1") = "5"
    & skf21("3","3","1","6","1","4","4","1") = "5"
    & skf21("3","3","1","6","1","4","5","1") = "5"
    & skf21("3","3","1","6","1","4","6","1") = "5"
    & skf21("3","3","1","6","1","4","7","1") = "6"
    & skf21("3","3","1","6","1","5","1","1") = "5"
    & skf21("3","3","1","6","1","5","2","1") = "5"
    & skf21("3","3","1","6","1","5","3","1") = "5"
    & skf21("3","3","1","6","1","5","4","1") = "5"
    & skf21("3","3","1","6","1","5","5","1") = "5"
    & skf21("3","3","1","6","1","5","6","1") = "5"
    & skf21("3","3","1","6","1","5","7","1") = "6"
    & skf21("3","3","1","6","1","6","1","1") = "5"
    & skf21("3","3","1","6","1","6","2","1") = "5"
    & skf21("3","3","1","6","1","6","3","1") = "5"
    & skf21("3","3","1","6","1","6","4","1") = "5"
    & skf21("3","3","1","6","1","6","5","1") = "5"
    & skf21("3","3","1","6","1","6","6","1") = "5"
    & skf21("3","3","1","6","1","6","7","1") = "6"
    & skf21("3","3","1","6","1","7","1","1") = "6"
    & skf21("3","3","1","6","1","7","2","1") = "6"
    & skf21("3","3","1","6","1","7","3","1") = "6"
    & skf21("3","3","1","6","1","7","4","1") = "6"
    & skf21("3","3","1","6","1","7","5","1") = "6"
    & skf21("3","3","1","6","1","7","6","1") = "6"
    & skf21("3","3","1","6","1","7","7","1") = "6"
    & skf21("3","3","1","6","2","1","1","1") = "5"
    & skf21("3","3","1","6","2","1","2","1") = "5"
    & skf21("3","3","1","6","2","1","3","1") = "5"
    & skf21("3","3","1","6","2","1","4","1") = "5"
    & skf21("3","3","1","6","2","1","5","1") = "5"
    & skf21("3","3","1","6","2","1","6","1") = "5"
    & skf21("3","3","1","6","2","1","7","1") = "6"
    & skf21("3","3","1","6","2","2","1","1") = "5"
    & skf21("3","3","1","6","2","2","2","1") = "5"
    & skf21("3","3","1","6","2","2","3","1") = "5"
    & skf21("3","3","1","6","2","2","4","1") = "5"
    & skf21("3","3","1","6","2","2","5","1") = "5"
    & skf21("3","3","1","6","2","2","6","1") = "5"
    & skf21("3","3","1","6","2","2","7","1") = "6"
    & skf21("3","3","1","6","2","3","1","1") = "5"
    & skf21("3","3","1","6","2","3","2","1") = "5"
    & skf21("3","3","1","6","2","3","3","1") = "5"
    & skf21("3","3","1","6","2","3","4","1") = "5"
    & skf21("3","3","1","6","2","3","5","1") = "5"
    & skf21("3","3","1","6","2","3","6","1") = "5"
    & skf21("3","3","1","6","2","3","7","1") = "6"
    & skf21("3","3","1","6","2","4","1","1") = "5"
    & skf21("3","3","1","6","2","4","2","1") = "5"
    & skf21("3","3","1","6","2","4","3","1") = "5"
    & skf21("3","3","1","6","2","4","4","1") = "5"
    & skf21("3","3","1","6","2","4","5","1") = "5"
    & skf21("3","3","1","6","2","4","6","1") = "5"
    & skf21("3","3","1","6","2","4","7","1") = "6"
    & skf21("3","3","1","6","2","5","1","1") = "5"
    & skf21("3","3","1","6","2","5","2","1") = "5"
    & skf21("3","3","1","6","2","5","3","1") = "5"
    & skf21("3","3","1","6","2","5","4","1") = "5"
    & skf21("3","3","1","6","2","5","5","1") = "5"
    & skf21("3","3","1","6","2","5","6","1") = "5"
    & skf21("3","3","1","6","2","5","7","1") = "6"
    & skf21("3","3","1","6","2","6","1","1") = "5"
    & skf21("3","3","1","6","2","6","2","1") = "5"
    & skf21("3","3","1","6","2","6","3","1") = "5"
    & skf21("3","3","1","6","2","6","4","1") = "5"
    & skf21("3","3","1","6","2","6","5","1") = "5"
    & skf21("3","3","1","6","2","6","6","1") = "5"
    & skf21("3","3","1","6","2","6","7","1") = "6"
    & skf21("3","3","1","6","2","7","1","1") = "6"
    & skf21("3","3","1","6","2","7","2","1") = "6"
    & skf21("3","3","1","6","2","7","3","1") = "6"
    & skf21("3","3","1","6","2","7","4","1") = "6"
    & skf21("3","3","1","6","2","7","5","1") = "6"
    & skf21("3","3","1","6","2","7","6","1") = "6"
    & skf21("3","3","1","6","2","7","7","1") = "6"
    & skf21("3","3","1","6","3","1","1","1") = "5"
    & skf21("3","3","1","6","3","1","2","1") = "5"
    & skf21("3","3","1","6","3","1","3","1") = "5"
    & skf21("3","3","1","6","3","1","4","1") = "5"
    & skf21("3","3","1","6","3","1","5","1") = "5"
    & skf21("3","3","1","6","3","1","6","1") = "5"
    & skf21("3","3","1","6","3","1","7","1") = "6"
    & skf21("3","3","1","6","3","2","1","1") = "5"
    & skf21("3","3","1","6","3","2","2","1") = "5"
    & skf21("3","3","1","6","3","2","3","1") = "5"
    & skf21("3","3","1","6","3","2","4","1") = "5"
    & skf21("3","3","1","6","3","2","5","1") = "5"
    & skf21("3","3","1","6","3","2","6","1") = "5"
    & skf21("3","3","1","6","3","2","7","1") = "6"
    & skf21("3","3","1","6","3","3","1","1") = "5"
    & skf21("3","3","1","6","3","3","2","1") = "5"
    & skf21("3","3","1","6","3","3","3","1") = "5"
    & skf21("3","3","1","6","3","3","4","1") = "5"
    & skf21("3","3","1","6","3","3","5","1") = "5"
    & skf21("3","3","1","6","3","3","6","1") = "5"
    & skf21("3","3","1","6","3","3","7","1") = "6"
    & skf21("3","3","1","6","3","4","1","1") = "5"
    & skf21("3","3","1","6","3","4","2","1") = "5"
    & skf21("3","3","1","6","3","4","3","1") = "5"
    & skf21("3","3","1","6","3","4","4","1") = "5"
    & skf21("3","3","1","6","3","4","5","1") = "5"
    & skf21("3","3","1","6","3","4","6","1") = "5"
    & skf21("3","3","1","6","3","4","7","1") = "6"
    & skf21("3","3","1","6","3","5","1","1") = "5"
    & skf21("3","3","1","6","3","5","2","1") = "5"
    & skf21("3","3","1","6","3","5","3","1") = "5"
    & skf21("3","3","1","6","3","5","4","1") = "5"
    & skf21("3","3","1","6","3","5","5","1") = "5"
    & skf21("3","3","1","6","3","5","6","1") = "5"
    & skf21("3","3","1","6","3","5","7","1") = "6"
    & skf21("3","3","1","6","3","6","1","1") = "5"
    & skf21("3","3","1","6","3","6","2","1") = "5"
    & skf21("3","3","1","6","3","6","3","1") = "5"
    & skf21("3","3","1","6","3","6","4","1") = "5"
    & skf21("3","3","1","6","3","6","5","1") = "5"
    & skf21("3","3","1","6","3","6","6","1") = "5"
    & skf21("3","3","1","6","3","6","7","1") = "6"
    & skf21("3","3","1","6","3","7","1","1") = "6"
    & skf21("3","3","1","6","3","7","2","1") = "6"
    & skf21("3","3","1","6","3","7","3","1") = "6"
    & skf21("3","3","1","6","3","7","4","1") = "6"
    & skf21("3","3","1","6","3","7","5","1") = "6"
    & skf21("3","3","1","6","3","7","6","1") = "6"
    & skf21("3","3","1","6","3","7","7","1") = "6"
    & skf21("3","3","1","6","4","1","1","1") = "5"
    & skf21("3","3","1","6","4","1","2","1") = "5"
    & skf21("3","3","1","6","4","1","3","1") = "5"
    & skf21("3","3","1","6","4","1","4","1") = "5"
    & skf21("3","3","1","6","4","1","5","1") = "5"
    & skf21("3","3","1","6","4","1","6","1") = "5"
    & skf21("3","3","1","6","4","1","7","1") = "6"
    & skf21("3","3","1","6","4","2","1","1") = "5"
    & skf21("3","3","1","6","4","2","2","1") = "5"
    & skf21("3","3","1","6","4","2","3","1") = "5"
    & skf21("3","3","1","6","4","2","4","1") = "5"
    & skf21("3","3","1","6","4","2","5","1") = "5"
    & skf21("3","3","1","6","4","2","6","1") = "5"
    & skf21("3","3","1","6","4","2","7","1") = "6"
    & skf21("3","3","1","6","4","3","1","1") = "5"
    & skf21("3","3","1","6","4","3","2","1") = "5"
    & skf21("3","3","1","6","4","3","3","1") = "5"
    & skf21("3","3","1","6","4","3","4","1") = "5"
    & skf21("3","3","1","6","4","3","5","1") = "5"
    & skf21("3","3","1","6","4","3","6","1") = "5"
    & skf21("3","3","1","6","4","3","7","1") = "6"
    & skf21("3","3","1","6","4","4","1","1") = "5"
    & skf21("3","3","1","6","4","4","2","1") = "5"
    & skf21("3","3","1","6","4","4","3","1") = "5"
    & skf21("3","3","1","6","4","4","4","1") = "5"
    & skf21("3","3","1","6","4","4","5","1") = "5"
    & skf21("3","3","1","6","4","4","6","1") = "5"
    & skf21("3","3","1","6","4","4","7","1") = "6"
    & skf21("3","3","1","6","4","5","1","1") = "5"
    & skf21("3","3","1","6","4","5","2","1") = "5"
    & skf21("3","3","1","6","4","5","3","1") = "5"
    & skf21("3","3","1","6","4","5","4","1") = "5"
    & skf21("3","3","1","6","4","5","5","1") = "5"
    & skf21("3","3","1","6","4","5","6","1") = "5"
    & skf21("3","3","1","6","4","5","7","1") = "6"
    & skf21("3","3","1","6","4","6","1","1") = "5"
    & skf21("3","3","1","6","4","6","2","1") = "5"
    & skf21("3","3","1","6","4","6","3","1") = "5"
    & skf21("3","3","1","6","4","6","4","1") = "5"
    & skf21("3","3","1","6","4","6","5","1") = "5"
    & skf21("3","3","1","6","4","6","6","1") = "5"
    & skf21("3","3","1","6","4","6","7","1") = "6"
    & skf21("3","3","1","6","4","7","1","1") = "6"
    & skf21("3","3","1","6","4","7","2","1") = "6"
    & skf21("3","3","1","6","4","7","3","1") = "6"
    & skf21("3","3","1","6","4","7","4","1") = "6"
    & skf21("3","3","1","6","4","7","5","1") = "6"
    & skf21("3","3","1","6","4","7","6","1") = "6"
    & skf21("3","3","1","6","4","7","7","1") = "6"
    & skf21("3","3","1","6","5","1","1","1") = "5"
    & skf21("3","3","1","6","5","1","2","1") = "5"
    & skf21("3","3","1","6","5","1","3","1") = "5"
    & skf21("3","3","1","6","5","1","4","1") = "5"
    & skf21("3","3","1","6","5","1","5","1") = "5"
    & skf21("3","3","1","6","5","1","6","1") = "5"
    & skf21("3","3","1","6","5","1","7","1") = "6"
    & skf21("3","3","1","6","5","2","1","1") = "5"
    & skf21("3","3","1","6","5","2","2","1") = "5"
    & skf21("3","3","1","6","5","2","3","1") = "5"
    & skf21("3","3","1","6","5","2","4","1") = "5"
    & skf21("3","3","1","6","5","2","5","1") = "5"
    & skf21("3","3","1","6","5","2","6","1") = "5"
    & skf21("3","3","1","6","5","2","7","1") = "6"
    & skf21("3","3","1","6","5","3","1","1") = "5"
    & skf21("3","3","1","6","5","3","2","1") = "5"
    & skf21("3","3","1","6","5","3","3","1") = "5"
    & skf21("3","3","1","6","5","3","4","1") = "5"
    & skf21("3","3","1","6","5","3","5","1") = "5"
    & skf21("3","3","1","6","5","3","6","1") = "5"
    & skf21("3","3","1","6","5","3","7","1") = "6"
    & skf21("3","3","1","6","5","4","1","1") = "5"
    & skf21("3","3","1","6","5","4","2","1") = "5"
    & skf21("3","3","1","6","5","4","3","1") = "5"
    & skf21("3","3","1","6","5","4","4","1") = "5"
    & skf21("3","3","1","6","5","4","5","1") = "5"
    & skf21("3","3","1","6","5","4","6","1") = "5"
    & skf21("3","3","1","6","5","4","7","1") = "6"
    & skf21("3","3","1","6","5","5","1","1") = "5"
    & skf21("3","3","1","6","5","5","2","1") = "5"
    & skf21("3","3","1","6","5","5","3","1") = "5"
    & skf21("3","3","1","6","5","5","4","1") = "5"
    & skf21("3","3","1","6","5","5","5","1") = "5"
    & skf21("3","3","1","6","5","5","6","1") = "5"
    & skf21("3","3","1","6","5","5","7","1") = "6"
    & skf21("3","3","1","6","5","6","1","1") = "5"
    & skf21("3","3","1","6","5","6","2","1") = "5"
    & skf21("3","3","1","6","5","6","3","1") = "5"
    & skf21("3","3","1","6","5","6","4","1") = "5"
    & skf21("3","3","1","6","5","6","5","1") = "5"
    & skf21("3","3","1","6","5","6","6","1") = "5"
    & skf21("3","3","1","6","5","6","7","1") = "6"
    & skf21("3","3","1","6","5","7","1","1") = "6"
    & skf21("3","3","1","6","5","7","2","1") = "6"
    & skf21("3","3","1","6","5","7","3","1") = "6"
    & skf21("3","3","1","6","5","7","4","1") = "6"
    & skf21("3","3","1","6","5","7","5","1") = "6"
    & skf21("3","3","1","6","5","7","6","1") = "6"
    & skf21("3","3","1","6","5","7","7","1") = "6"
    & skf21("3","3","1","6","6","1","1","1") = "5"
    & skf21("3","3","1","6","6","1","2","1") = "5"
    & skf21("3","3","1","6","6","1","3","1") = "5"
    & skf21("3","3","1","6","6","1","4","1") = "5"
    & skf21("3","3","1","6","6","1","5","1") = "5"
    & skf21("3","3","1","6","6","1","6","1") = "5"
    & skf21("3","3","1","6","6","1","7","1") = "6"
    & skf21("3","3","1","6","6","2","1","1") = "5"
    & skf21("3","3","1","6","6","2","2","1") = "5"
    & skf21("3","3","1","6","6","2","3","1") = "5"
    & skf21("3","3","1","6","6","2","4","1") = "5"
    & skf21("3","3","1","6","6","2","5","1") = "5"
    & skf21("3","3","1","6","6","2","6","1") = "5"
    & skf21("3","3","1","6","6","2","7","1") = "6"
    & skf21("3","3","1","6","6","3","1","1") = "5"
    & skf21("3","3","1","6","6","3","2","1") = "5"
    & skf21("3","3","1","6","6","3","3","1") = "5"
    & skf21("3","3","1","6","6","3","4","1") = "5"
    & skf21("3","3","1","6","6","3","5","1") = "5"
    & skf21("3","3","1","6","6","3","6","1") = "5"
    & skf21("3","3","1","6","6","3","7","1") = "6"
    & skf21("3","3","1","6","6","4","1","1") = "5"
    & skf21("3","3","1","6","6","4","2","1") = "5"
    & skf21("3","3","1","6","6","4","3","1") = "5"
    & skf21("3","3","1","6","6","4","4","1") = "5"
    & skf21("3","3","1","6","6","4","5","1") = "5"
    & skf21("3","3","1","6","6","4","6","1") = "5"
    & skf21("3","3","1","6","6","4","7","1") = "6"
    & skf21("3","3","1","6","6","5","1","1") = "5"
    & skf21("3","3","1","6","6","5","2","1") = "5"
    & skf21("3","3","1","6","6","5","3","1") = "5"
    & skf21("3","3","1","6","6","5","4","1") = "5"
    & skf21("3","3","1","6","6","5","5","1") = "5"
    & skf21("3","3","1","6","6","5","6","1") = "5"
    & skf21("3","3","1","6","6","5","7","1") = "6"
    & skf21("3","3","1","6","6","6","1","1") = "5"
    & skf21("3","3","1","6","6","6","2","1") = "5"
    & skf21("3","3","1","6","6","6","3","1") = "5"
    & skf21("3","3","1","6","6","6","4","1") = "5"
    & skf21("3","3","1","6","6","6","5","1") = "5"
    & skf21("3","3","1","6","6","6","6","1") = "5"
    & skf21("3","3","1","6","6","6","7","1") = "6"
    & skf21("3","3","1","6","6","7","1","1") = "6"
    & skf21("3","3","1","6","6","7","2","1") = "6"
    & skf21("3","3","1","6","6","7","3","1") = "6"
    & skf21("3","3","1","6","6","7","4","1") = "6"
    & skf21("3","3","1","6","6","7","5","1") = "6"
    & skf21("3","3","1","6","6","7","6","1") = "6"
    & skf21("3","3","1","6","6","7","7","1") = "6"
    & skf21("3","3","1","6","7","1","1","1") = "6"
    & skf21("3","3","1","6","7","1","2","1") = "6"
    & skf21("3","3","1","6","7","1","3","1") = "6"
    & skf21("3","3","1","6","7","1","4","1") = "6"
    & skf21("3","3","1","6","7","1","5","1") = "6"
    & skf21("3","3","1","6","7","1","6","1") = "6"
    & skf21("3","3","1","6","7","1","7","1") = "6"
    & skf21("3","3","1","6","7","2","1","1") = "6"
    & skf21("3","3","1","6","7","2","2","1") = "6"
    & skf21("3","3","1","6","7","2","3","1") = "6"
    & skf21("3","3","1","6","7","2","4","1") = "6"
    & skf21("3","3","1","6","7","2","5","1") = "6"
    & skf21("3","3","1","6","7","2","6","1") = "6"
    & skf21("3","3","1","6","7","2","7","1") = "6"
    & skf21("3","3","1","6","7","3","1","1") = "6"
    & skf21("3","3","1","6","7","3","2","1") = "6"
    & skf21("3","3","1","6","7","3","3","1") = "6"
    & skf21("3","3","1","6","7","3","4","1") = "6"
    & skf21("3","3","1","6","7","3","5","1") = "6"
    & skf21("3","3","1","6","7","3","6","1") = "6"
    & skf21("3","3","1","6","7","3","7","1") = "6"
    & skf21("3","3","1","6","7","4","1","1") = "6"
    & skf21("3","3","1","6","7","4","2","1") = "6"
    & skf21("3","3","1","6","7","4","3","1") = "6"
    & skf21("3","3","1","6","7","4","4","1") = "6"
    & skf21("3","3","1","6","7","4","5","1") = "6"
    & skf21("3","3","1","6","7","4","6","1") = "6"
    & skf21("3","3","1","6","7","4","7","1") = "6"
    & skf21("3","3","1","6","7","5","1","1") = "6"
    & skf21("3","3","1","6","7","5","2","1") = "6"
    & skf21("3","3","1","6","7","5","3","1") = "6"
    & skf21("3","3","1","6","7","5","4","1") = "6"
    & skf21("3","3","1","6","7","5","5","1") = "6"
    & skf21("3","3","1","6","7","5","6","1") = "6"
    & skf21("3","3","1","6","7","5","7","1") = "6"
    & skf21("3","3","1","6","7","6","1","1") = "6"
    & skf21("3","3","1","6","7","6","2","1") = "6"
    & skf21("3","3","1","6","7","6","3","1") = "6"
    & skf21("3","3","1","6","7","6","4","1") = "6"
    & skf21("3","3","1","6","7","6","5","1") = "6"
    & skf21("3","3","1","6","7","6","6","1") = "6"
    & skf21("3","3","1","6","7","6","7","1") = "6"
    & skf21("3","3","1","6","7","7","1","1") = "6"
    & skf21("3","3","1","6","7","7","2","1") = "6"
    & skf21("3","3","1","6","7","7","3","1") = "6"
    & skf21("3","3","1","6","7","7","4","1") = "6"
    & skf21("3","3","1","6","7","7","5","1") = "6"
    & skf21("3","3","1","6","7","7","6","1") = "6"
    & skf21("3","3","1","6","7","7","7","1") = "6"
    & skf21("3","3","1","7","1","1","1","1") = "6"
    & skf21("3","3","1","7","1","1","2","1") = "6"
    & skf21("3","3","1","7","1","1","3","1") = "6"
    & skf21("3","3","1","7","1","1","4","1") = "6"
    & skf21("3","3","1","7","1","1","5","1") = "6"
    & skf21("3","3","1","7","1","1","6","1") = "6"
    & skf21("3","3","1","7","1","1","7","1") = "6"
    & skf21("3","3","1","7","1","2","1","1") = "6"
    & skf21("3","3","1","7","1","2","2","1") = "6"
    & skf21("3","3","1","7","1","2","3","1") = "6"
    & skf21("3","3","1","7","1","2","4","1") = "6"
    & skf21("3","3","1","7","1","2","5","1") = "6"
    & skf21("3","3","1","7","1","2","6","1") = "6"
    & skf21("3","3","1","7","1","2","7","1") = "6"
    & skf21("3","3","1","7","1","3","1","1") = "6"
    & skf21("3","3","1","7","1","3","2","1") = "6"
    & skf21("3","3","1","7","1","3","3","1") = "6"
    & skf21("3","3","1","7","1","3","4","1") = "6"
    & skf21("3","3","1","7","1","3","5","1") = "6"
    & skf21("3","3","1","7","1","3","6","1") = "6"
    & skf21("3","3","1","7","1","3","7","1") = "6"
    & skf21("3","3","1","7","1","4","1","1") = "6"
    & skf21("3","3","1","7","1","4","2","1") = "6"
    & skf21("3","3","1","7","1","4","3","1") = "6"
    & skf21("3","3","1","7","1","4","4","1") = "6"
    & skf21("3","3","1","7","1","4","5","1") = "6"
    & skf21("3","3","1","7","1","4","6","1") = "6"
    & skf21("3","3","1","7","1","4","7","1") = "6"
    & skf21("3","3","1","7","1","5","1","1") = "6"
    & skf21("3","3","1","7","1","5","2","1") = "6"
    & skf21("3","3","1","7","1","5","3","1") = "6"
    & skf21("3","3","1","7","1","5","4","1") = "6"
    & skf21("3","3","1","7","1","5","5","1") = "6"
    & skf21("3","3","1","7","1","5","6","1") = "6"
    & skf21("3","3","1","7","1","5","7","1") = "6"
    & skf21("3","3","1","7","1","6","1","1") = "6"
    & skf21("3","3","1","7","1","6","2","1") = "6"
    & skf21("3","3","1","7","1","6","3","1") = "6"
    & skf21("3","3","1","7","1","6","4","1") = "6"
    & skf21("3","3","1","7","1","6","5","1") = "6"
    & skf21("3","3","1","7","1","6","6","1") = "6"
    & skf21("3","3","1","7","1","6","7","1") = "6"
    & skf21("3","3","1","7","1","7","1","1") = "6"
    & skf21("3","3","1","7","1","7","2","1") = "6"
    & skf21("3","3","1","7","1","7","3","1") = "6"
    & skf21("3","3","1","7","1","7","4","1") = "6"
    & skf21("3","3","1","7","1","7","5","1") = "6"
    & skf21("3","3","1","7","1","7","6","1") = "6"
    & skf21("3","3","1","7","1","7","7","1") = "6"
    & skf21("3","3","1","7","2","1","1","1") = "6"
    & skf21("3","3","1","7","2","1","2","1") = "6"
    & skf21("3","3","1","7","2","1","3","1") = "6"
    & skf21("3","3","1","7","2","1","4","1") = "6"
    & skf21("3","3","1","7","2","1","5","1") = "6"
    & skf21("3","3","1","7","2","1","6","1") = "6"
    & skf21("3","3","1","7","2","1","7","1") = "6"
    & skf21("3","3","1","7","2","2","1","1") = "6"
    & skf21("3","3","1","7","2","2","2","1") = "6"
    & skf21("3","3","1","7","2","2","3","1") = "6"
    & skf21("3","3","1","7","2","2","4","1") = "6"
    & skf21("3","3","1","7","2","2","5","1") = "6"
    & skf21("3","3","1","7","2","2","6","1") = "6"
    & skf21("3","3","1","7","2","2","7","1") = "6"
    & skf21("3","3","1","7","2","3","1","1") = "6"
    & skf21("3","3","1","7","2","3","2","1") = "6"
    & skf21("3","3","1","7","2","3","3","1") = "6"
    & skf21("3","3","1","7","2","3","4","1") = "6"
    & skf21("3","3","1","7","2","3","5","1") = "6"
    & skf21("3","3","1","7","2","3","6","1") = "6"
    & skf21("3","3","1","7","2","3","7","1") = "6"
    & skf21("3","3","1","7","2","4","1","1") = "6"
    & skf21("3","3","1","7","2","4","2","1") = "6"
    & skf21("3","3","1","7","2","4","3","1") = "6"
    & skf21("3","3","1","7","2","4","4","1") = "6"
    & skf21("3","3","1","7","2","4","5","1") = "6"
    & skf21("3","3","1","7","2","4","6","1") = "6"
    & skf21("3","3","1","7","2","4","7","1") = "6"
    & skf21("3","3","1","7","2","5","1","1") = "6"
    & skf21("3","3","1","7","2","5","2","1") = "6"
    & skf21("3","3","1","7","2","5","3","1") = "6"
    & skf21("3","3","1","7","2","5","4","1") = "6"
    & skf21("3","3","1","7","2","5","5","1") = "6"
    & skf21("3","3","1","7","2","5","6","1") = "6"
    & skf21("3","3","1","7","2","5","7","1") = "6"
    & skf21("3","3","1","7","2","6","1","1") = "6"
    & skf21("3","3","1","7","2","6","2","1") = "6"
    & skf21("3","3","1","7","2","6","3","1") = "6"
    & skf21("3","3","1","7","2","6","4","1") = "6"
    & skf21("3","3","1","7","2","6","5","1") = "6"
    & skf21("3","3","1","7","2","6","6","1") = "6"
    & skf21("3","3","1","7","2","6","7","1") = "6"
    & skf21("3","3","1","7","2","7","1","1") = "6"
    & skf21("3","3","1","7","2","7","2","1") = "6"
    & skf21("3","3","1","7","2","7","3","1") = "6"
    & skf21("3","3","1","7","2","7","4","1") = "6"
    & skf21("3","3","1","7","2","7","5","1") = "6"
    & skf21("3","3","1","7","2","7","6","1") = "6"
    & skf21("3","3","1","7","2","7","7","1") = "6"
    & skf21("3","3","1","7","3","1","1","1") = "6"
    & skf21("3","3","1","7","3","1","2","1") = "6"
    & skf21("3","3","1","7","3","1","3","1") = "6"
    & skf21("3","3","1","7","3","1","4","1") = "6"
    & skf21("3","3","1","7","3","1","5","1") = "6"
    & skf21("3","3","1","7","3","1","6","1") = "6"
    & skf21("3","3","1","7","3","1","7","1") = "6"
    & skf21("3","3","1","7","3","2","1","1") = "6"
    & skf21("3","3","1","7","3","2","2","1") = "6"
    & skf21("3","3","1","7","3","2","3","1") = "6"
    & skf21("3","3","1","7","3","2","4","1") = "6"
    & skf21("3","3","1","7","3","2","5","1") = "6"
    & skf21("3","3","1","7","3","2","6","1") = "6"
    & skf21("3","3","1","7","3","2","7","1") = "6"
    & skf21("3","3","1","7","3","3","1","1") = "6"
    & skf21("3","3","1","7","3","3","2","1") = "6"
    & skf21("3","3","1","7","3","3","3","1") = "6"
    & skf21("3","3","1","7","3","3","4","1") = "6"
    & skf21("3","3","1","7","3","3","5","1") = "6"
    & skf21("3","3","1","7","3","3","6","1") = "6"
    & skf21("3","3","1","7","3","3","7","1") = "6"
    & skf21("3","3","1","7","3","4","1","1") = "6"
    & skf21("3","3","1","7","3","4","2","1") = "6"
    & skf21("3","3","1","7","3","4","3","1") = "6"
    & skf21("3","3","1","7","3","4","4","1") = "6"
    & skf21("3","3","1","7","3","4","5","1") = "6"
    & skf21("3","3","1","7","3","4","6","1") = "6"
    & skf21("3","3","1","7","3","4","7","1") = "6"
    & skf21("3","3","1","7","3","5","1","1") = "6"
    & skf21("3","3","1","7","3","5","2","1") = "6"
    & skf21("3","3","1","7","3","5","3","1") = "6"
    & skf21("3","3","1","7","3","5","4","1") = "6"
    & skf21("3","3","1","7","3","5","5","1") = "6"
    & skf21("3","3","1","7","3","5","6","1") = "6"
    & skf21("3","3","1","7","3","5","7","1") = "6"
    & skf21("3","3","1","7","3","6","1","1") = "6"
    & skf21("3","3","1","7","3","6","2","1") = "6"
    & skf21("3","3","1","7","3","6","3","1") = "6"
    & skf21("3","3","1","7","3","6","4","1") = "6"
    & skf21("3","3","1","7","3","6","5","1") = "6"
    & skf21("3","3","1","7","3","6","6","1") = "6"
    & skf21("3","3","1","7","3","6","7","1") = "6"
    & skf21("3","3","1","7","3","7","1","1") = "6"
    & skf21("3","3","1","7","3","7","2","1") = "6"
    & skf21("3","3","1","7","3","7","3","1") = "6"
    & skf21("3","3","1","7","3","7","4","1") = "6"
    & skf21("3","3","1","7","3","7","5","1") = "6"
    & skf21("3","3","1","7","3","7","6","1") = "6"
    & skf21("3","3","1","7","3","7","7","1") = "6"
    & skf21("3","3","1","7","4","1","1","1") = "6"
    & skf21("3","3","1","7","4","1","2","1") = "6"
    & skf21("3","3","1","7","4","1","3","1") = "6"
    & skf21("3","3","1","7","4","1","4","1") = "6"
    & skf21("3","3","1","7","4","1","5","1") = "6"
    & skf21("3","3","1","7","4","1","6","1") = "6"
    & skf21("3","3","1","7","4","1","7","1") = "6"
    & skf21("3","3","1","7","4","2","1","1") = "6"
    & skf21("3","3","1","7","4","2","2","1") = "6"
    & skf21("3","3","1","7","4","2","3","1") = "6"
    & skf21("3","3","1","7","4","2","4","1") = "6"
    & skf21("3","3","1","7","4","2","5","1") = "6"
    & skf21("3","3","1","7","4","2","6","1") = "6"
    & skf21("3","3","1","7","4","2","7","1") = "6"
    & skf21("3","3","1","7","4","3","1","1") = "6"
    & skf21("3","3","1","7","4","3","2","1") = "6"
    & skf21("3","3","1","7","4","3","3","1") = "6"
    & skf21("3","3","1","7","4","3","4","1") = "6"
    & skf21("3","3","1","7","4","3","5","1") = "6"
    & skf21("3","3","1","7","4","3","6","1") = "6"
    & skf21("3","3","1","7","4","3","7","1") = "6"
    & skf21("3","3","1","7","4","4","1","1") = "6"
    & skf21("3","3","1","7","4","4","2","1") = "6"
    & skf21("3","3","1","7","4","4","3","1") = "6"
    & skf21("3","3","1","7","4","4","4","1") = "6"
    & skf21("3","3","1","7","4","4","5","1") = "6"
    & skf21("3","3","1","7","4","4","6","1") = "6"
    & skf21("3","3","1","7","4","4","7","1") = "6"
    & skf21("3","3","1","7","4","5","1","1") = "6"
    & skf21("3","3","1","7","4","5","2","1") = "6"
    & skf21("3","3","1","7","4","5","3","1") = "6"
    & skf21("3","3","1","7","4","5","4","1") = "6"
    & skf21("3","3","1","7","4","5","5","1") = "6"
    & skf21("3","3","1","7","4","5","6","1") = "6"
    & skf21("3","3","1","7","4","5","7","1") = "6"
    & skf21("3","3","1","7","4","6","1","1") = "6"
    & skf21("3","3","1","7","4","6","2","1") = "6"
    & skf21("3","3","1","7","4","6","3","1") = "6"
    & skf21("3","3","1","7","4","6","4","1") = "6"
    & skf21("3","3","1","7","4","6","5","1") = "6"
    & skf21("3","3","1","7","4","6","6","1") = "6"
    & skf21("3","3","1","7","4","6","7","1") = "6"
    & skf21("3","3","1","7","4","7","1","1") = "6"
    & skf21("3","3","1","7","4","7","2","1") = "6"
    & skf21("3","3","1","7","4","7","3","1") = "6"
    & skf21("3","3","1","7","4","7","4","1") = "6"
    & skf21("3","3","1","7","4","7","5","1") = "6"
    & skf21("3","3","1","7","4","7","6","1") = "6"
    & skf21("3","3","1","7","4","7","7","1") = "6"
    & skf21("3","3","1","7","5","1","1","1") = "6"
    & skf21("3","3","1","7","5","1","2","1") = "6"
    & skf21("3","3","1","7","5","1","3","1") = "6"
    & skf21("3","3","1","7","5","1","4","1") = "6"
    & skf21("3","3","1","7","5","1","5","1") = "6"
    & skf21("3","3","1","7","5","1","6","1") = "6"
    & skf21("3","3","1","7","5","1","7","1") = "6"
    & skf21("3","3","1","7","5","2","1","1") = "6"
    & skf21("3","3","1","7","5","2","2","1") = "6"
    & skf21("3","3","1","7","5","2","3","1") = "6"
    & skf21("3","3","1","7","5","2","4","1") = "6"
    & skf21("3","3","1","7","5","2","5","1") = "6"
    & skf21("3","3","1","7","5","2","6","1") = "6"
    & skf21("3","3","1","7","5","2","7","1") = "6"
    & skf21("3","3","1","7","5","3","1","1") = "6"
    & skf21("3","3","1","7","5","3","2","1") = "6"
    & skf21("3","3","1","7","5","3","3","1") = "6"
    & skf21("3","3","1","7","5","3","4","1") = "6"
    & skf21("3","3","1","7","5","3","5","1") = "6"
    & skf21("3","3","1","7","5","3","6","1") = "6"
    & skf21("3","3","1","7","5","3","7","1") = "6"
    & skf21("3","3","1","7","5","4","1","1") = "6"
    & skf21("3","3","1","7","5","4","2","1") = "6"
    & skf21("3","3","1","7","5","4","3","1") = "6"
    & skf21("3","3","1","7","5","4","4","1") = "6"
    & skf21("3","3","1","7","5","4","5","1") = "6"
    & skf21("3","3","1","7","5","4","6","1") = "6"
    & skf21("3","3","1","7","5","4","7","1") = "6"
    & skf21("3","3","1","7","5","5","1","1") = "6"
    & skf21("3","3","1","7","5","5","2","1") = "6"
    & skf21("3","3","1","7","5","5","3","1") = "6"
    & skf21("3","3","1","7","5","5","4","1") = "6"
    & skf21("3","3","1","7","5","5","5","1") = "6"
    & skf21("3","3","1","7","5","5","6","1") = "6"
    & skf21("3","3","1","7","5","5","7","1") = "6"
    & skf21("3","3","1","7","5","6","1","1") = "6"
    & skf21("3","3","1","7","5","6","2","1") = "6"
    & skf21("3","3","1","7","5","6","3","1") = "6"
    & skf21("3","3","1","7","5","6","4","1") = "6"
    & skf21("3","3","1","7","5","6","5","1") = "6"
    & skf21("3","3","1","7","5","6","6","1") = "6"
    & skf21("3","3","1","7","5","6","7","1") = "6"
    & skf21("3","3","1","7","5","7","1","1") = "6"
    & skf21("3","3","1","7","5","7","2","1") = "6"
    & skf21("3","3","1","7","5","7","3","1") = "6"
    & skf21("3","3","1","7","5","7","4","1") = "6"
    & skf21("3","3","1","7","5","7","5","1") = "6"
    & skf21("3","3","1","7","5","7","6","1") = "6"
    & skf21("3","3","1","7","5","7","7","1") = "6"
    & skf21("3","3","1","7","6","1","1","1") = "6"
    & skf21("3","3","1","7","6","1","2","1") = "6"
    & skf21("3","3","1","7","6","1","3","1") = "6"
    & skf21("3","3","1","7","6","1","4","1") = "6"
    & skf21("3","3","1","7","6","1","5","1") = "6"
    & skf21("3","3","1","7","6","1","6","1") = "6"
    & skf21("3","3","1","7","6","1","7","1") = "6"
    & skf21("3","3","1","7","6","2","1","1") = "6"
    & skf21("3","3","1","7","6","2","2","1") = "6"
    & skf21("3","3","1","7","6","2","3","1") = "6"
    & skf21("3","3","1","7","6","2","4","1") = "6"
    & skf21("3","3","1","7","6","2","5","1") = "6"
    & skf21("3","3","1","7","6","2","6","1") = "6"
    & skf21("3","3","1","7","6","2","7","1") = "6"
    & skf21("3","3","1","7","6","3","1","1") = "6"
    & skf21("3","3","1","7","6","3","2","1") = "6"
    & skf21("3","3","1","7","6","3","3","1") = "6"
    & skf21("3","3","1","7","6","3","4","1") = "6"
    & skf21("3","3","1","7","6","3","5","1") = "6"
    & skf21("3","3","1","7","6","3","6","1") = "6"
    & skf21("3","3","1","7","6","3","7","1") = "6"
    & skf21("3","3","1","7","6","4","1","1") = "6"
    & skf21("3","3","1","7","6","4","2","1") = "6"
    & skf21("3","3","1","7","6","4","3","1") = "6"
    & skf21("3","3","1","7","6","4","4","1") = "6"
    & skf21("3","3","1","7","6","4","5","1") = "6"
    & skf21("3","3","1","7","6","4","6","1") = "6"
    & skf21("3","3","1","7","6","4","7","1") = "6"
    & skf21("3","3","1","7","6","5","1","1") = "6"
    & skf21("3","3","1","7","6","5","2","1") = "6"
    & skf21("3","3","1","7","6","5","3","1") = "6"
    & skf21("3","3","1","7","6","5","4","1") = "6"
    & skf21("3","3","1","7","6","5","5","1") = "6"
    & skf21("3","3","1","7","6","5","6","1") = "6"
    & skf21("3","3","1","7","6","5","7","1") = "6"
    & skf21("3","3","1","7","6","6","1","1") = "6"
    & skf21("3","3","1","7","6","6","2","1") = "6"
    & skf21("3","3","1","7","6","6","3","1") = "6"
    & skf21("3","3","1","7","6","6","4","1") = "6"
    & skf21("3","3","1","7","6","6","5","1") = "6"
    & skf21("3","3","1","7","6","6","6","1") = "6"
    & skf21("3","3","1","7","6","6","7","1") = "6"
    & skf21("3","3","1","7","6","7","1","1") = "6"
    & skf21("3","3","1","7","6","7","2","1") = "6"
    & skf21("3","3","1","7","6","7","3","1") = "6"
    & skf21("3","3","1","7","6","7","4","1") = "6"
    & skf21("3","3","1","7","6","7","5","1") = "6"
    & skf21("3","3","1","7","6","7","6","1") = "6"
    & skf21("3","3","1","7","6","7","7","1") = "6"
    & skf21("3","3","1","7","7","1","1","1") = "6"
    & skf21("3","3","1","7","7","1","2","1") = "6"
    & skf21("3","3","1","7","7","1","3","1") = "6"
    & skf21("3","3","1","7","7","1","4","1") = "6"
    & skf21("3","3","1","7","7","1","5","1") = "6"
    & skf21("3","3","1","7","7","1","6","1") = "6"
    & skf21("3","3","1","7","7","1","7","1") = "6"
    & skf21("3","3","1","7","7","2","1","1") = "6"
    & skf21("3","3","1","7","7","2","2","1") = "6"
    & skf21("3","3","1","7","7","2","3","1") = "6"
    & skf21("3","3","1","7","7","2","4","1") = "6"
    & skf21("3","3","1","7","7","2","5","1") = "6"
    & skf21("3","3","1","7","7","2","6","1") = "6"
    & skf21("3","3","1","7","7","2","7","1") = "6"
    & skf21("3","3","1","7","7","3","1","1") = "6"
    & skf21("3","3","1","7","7","3","2","1") = "6"
    & skf21("3","3","1","7","7","3","3","1") = "6"
    & skf21("3","3","1","7","7","3","4","1") = "6"
    & skf21("3","3","1","7","7","3","5","1") = "6"
    & skf21("3","3","1","7","7","3","6","1") = "6"
    & skf21("3","3","1","7","7","3","7","1") = "6"
    & skf21("3","3","1","7","7","4","1","1") = "6"
    & skf21("3","3","1","7","7","4","2","1") = "6"
    & skf21("3","3","1","7","7","4","3","1") = "6"
    & skf21("3","3","1","7","7","4","4","1") = "6"
    & skf21("3","3","1","7","7","4","5","1") = "6"
    & skf21("3","3","1","7","7","4","6","1") = "6"
    & skf21("3","3","1","7","7","4","7","1") = "6"
    & skf21("3","3","1","7","7","5","1","1") = "6"
    & skf21("3","3","1","7","7","5","2","1") = "6"
    & skf21("3","3","1","7","7","5","3","1") = "6"
    & skf21("3","3","1","7","7","5","4","1") = "6"
    & skf21("3","3","1","7","7","5","5","1") = "6"
    & skf21("3","3","1","7","7","5","6","1") = "6"
    & skf21("3","3","1","7","7","5","7","1") = "6"
    & skf21("3","3","1","7","7","6","1","1") = "6"
    & skf21("3","3","1","7","7","6","2","1") = "6"
    & skf21("3","3","1","7","7","6","3","1") = "6"
    & skf21("3","3","1","7","7","6","4","1") = "6"
    & skf21("3","3","1","7","7","6","5","1") = "6"
    & skf21("3","3","1","7","7","6","6","1") = "6"
    & skf21("3","3","1","7","7","6","7","1") = "6"
    & skf21("3","3","1","7","7","7","1","1") = "6"
    & skf21("3","3","1","7","7","7","2","1") = "6"
    & skf21("3","3","1","7","7","7","3","1") = "6"
    & skf21("3","3","1","7","7","7","4","1") = "6"
    & skf21("3","3","1","7","7","7","5","1") = "6"
    & skf21("3","3","1","7","7","7","6","1") = "6"
    & skf21("3","3","1","7","7","7","7","1") = "6"
    & skf21("3","3","2","1","1","1","1","1") = "2"
    & skf21("3","3","2","1","1","1","2","1") = "2"
    & skf21("3","3","2","1","1","1","3","1") = "2"
    & skf21("3","3","2","1","1","1","4","1") = "3"
    & skf21("3","3","2","1","1","1","5","1") = "4"
    & skf21("3","3","2","1","1","1","6","1") = "5"
    & skf21("3","3","2","1","1","1","7","1") = "6"
    & skf21("3","3","2","1","1","2","1","1") = "2"
    & skf21("3","3","2","1","1","2","2","1") = "2"
    & skf21("3","3","2","1","1","2","3","1") = "2"
    & skf21("3","3","2","1","1","2","4","1") = "3"
    & skf21("3","3","2","1","1","2","5","1") = "4"
    & skf21("3","3","2","1","1","2","6","1") = "5"
    & skf21("3","3","2","1","1","2","7","1") = "6"
    & skf21("3","3","2","1","1","3","1","1") = "2"
    & skf21("3","3","2","1","1","3","2","1") = "2"
    & skf21("3","3","2","1","1","3","3","1") = "2"
    & skf21("3","3","2","1","1","3","4","1") = "3"
    & skf21("3","3","2","1","1","3","5","1") = "4"
    & skf21("3","3","2","1","1","3","6","1") = "5"
    & skf21("3","3","2","1","1","3","7","1") = "6"
    & skf21("3","3","2","1","1","4","1","1") = "3"
    & skf21("3","3","2","1","1","4","2","1") = "3"
    & skf21("3","3","2","1","1","4","3","1") = "3"
    & skf21("3","3","2","1","1","4","4","1") = "3"
    & skf21("3","3","2","1","1","4","5","1") = "4"
    & skf21("3","3","2","1","1","4","6","1") = "5"
    & skf21("3","3","2","1","1","4","7","1") = "6"
    & skf21("3","3","2","1","1","5","1","1") = "4"
    & skf21("3","3","2","1","1","5","2","1") = "4"
    & skf21("3","3","2","1","1","5","3","1") = "4"
    & skf21("3","3","2","1","1","5","4","1") = "4"
    & skf21("3","3","2","1","1","5","5","1") = "4"
    & skf21("3","3","2","1","1","5","6","1") = "5"
    & skf21("3","3","2","1","1","5","7","1") = "6"
    & skf21("3","3","2","1","1","6","1","1") = "5"
    & skf21("3","3","2","1","1","6","2","1") = "5"
    & skf21("3","3","2","1","1","6","3","1") = "5"
    & skf21("3","3","2","1","1","6","4","1") = "5"
    & skf21("3","3","2","1","1","6","5","1") = "5"
    & skf21("3","3","2","1","1","6","6","1") = "5"
    & skf21("3","3","2","1","1","6","7","1") = "6"
    & skf21("3","3","2","1","1","7","1","1") = "6"
    & skf21("3","3","2","1","1","7","2","1") = "6"
    & skf21("3","3","2","1","1","7","3","1") = "6"
    & skf21("3","3","2","1","1","7","4","1") = "6"
    & skf21("3","3","2","1","1","7","5","1") = "6"
    & skf21("3","3","2","1","1","7","6","1") = "6"
    & skf21("3","3","2","1","1","7","7","1") = "6"
    & skf21("3","3","2","1","2","1","1","1") = "2"
    & skf21("3","3","2","1","2","1","2","1") = "2"
    & skf21("3","3","2","1","2","1","3","1") = "2"
    & skf21("3","3","2","1","2","1","4","1") = "3"
    & skf21("3","3","2","1","2","1","5","1") = "4"
    & skf21("3","3","2","1","2","1","6","1") = "5"
    & skf21("3","3","2","1","2","1","7","1") = "6"
    & skf21("3","3","2","1","2","2","1","1") = "2"
    & skf21("3","3","2","1","2","2","2","1") = "2"
    & skf21("3","3","2","1","2","2","3","1") = "2"
    & skf21("3","3","2","1","2","2","4","1") = "3"
    & skf21("3","3","2","1","2","2","5","1") = "4"
    & skf21("3","3","2","1","2","2","6","1") = "5"
    & skf21("3","3","2","1","2","2","7","1") = "6"
    & skf21("3","3","2","1","2","3","1","1") = "2"
    & skf21("3","3","2","1","2","3","2","1") = "2"
    & skf21("3","3","2","1","2","3","3","1") = "2"
    & skf21("3","3","2","1","2","3","4","1") = "3"
    & skf21("3","3","2","1","2","3","5","1") = "4"
    & skf21("3","3","2","1","2","3","6","1") = "5"
    & skf21("3","3","2","1","2","3","7","1") = "6"
    & skf21("3","3","2","1","2","4","1","1") = "3"
    & skf21("3","3","2","1","2","4","2","1") = "3"
    & skf21("3","3","2","1","2","4","3","1") = "3"
    & skf21("3","3","2","1","2","4","4","1") = "3"
    & skf21("3","3","2","1","2","4","5","1") = "4"
    & skf21("3","3","2","1","2","4","6","1") = "5"
    & skf21("3","3","2","1","2","4","7","1") = "6"
    & skf21("3","3","2","1","2","5","1","1") = "4"
    & skf21("3","3","2","1","2","5","2","1") = "4"
    & skf21("3","3","2","1","2","5","3","1") = "4"
    & skf21("3","3","2","1","2","5","4","1") = "4"
    & skf21("3","3","2","1","2","5","5","1") = "4"
    & skf21("3","3","2","1","2","5","6","1") = "5"
    & skf21("3","3","2","1","2","5","7","1") = "6"
    & skf21("3","3","2","1","2","6","1","1") = "5"
    & skf21("3","3","2","1","2","6","2","1") = "5"
    & skf21("3","3","2","1","2","6","3","1") = "5"
    & skf21("3","3","2","1","2","6","4","1") = "5"
    & skf21("3","3","2","1","2","6","5","1") = "5"
    & skf21("3","3","2","1","2","6","6","1") = "5"
    & skf21("3","3","2","1","2","6","7","1") = "6"
    & skf21("3","3","2","1","2","7","1","1") = "6"
    & skf21("3","3","2","1","2","7","2","1") = "6"
    & skf21("3","3","2","1","2","7","3","1") = "6"
    & skf21("3","3","2","1","2","7","4","1") = "6"
    & skf21("3","3","2","1","2","7","5","1") = "6"
    & skf21("3","3","2","1","2","7","6","1") = "6"
    & skf21("3","3","2","1","2","7","7","1") = "6"
    & skf21("3","3","2","1","3","1","1","1") = "2"
    & skf21("3","3","2","1","3","1","2","1") = "2"
    & skf21("3","3","2","1","3","1","3","1") = "2"
    & skf21("3","3","2","1","3","1","4","1") = "3"
    & skf21("3","3","2","1","3","1","5","1") = "4"
    & skf21("3","3","2","1","3","1","6","1") = "5"
    & skf21("3","3","2","1","3","1","7","1") = "6"
    & skf21("3","3","2","1","3","2","1","1") = "2"
    & skf21("3","3","2","1","3","2","2","1") = "2"
    & skf21("3","3","2","1","3","2","3","1") = "2"
    & skf21("3","3","2","1","3","2","4","1") = "3"
    & skf21("3","3","2","1","3","2","5","1") = "4"
    & skf21("3","3","2","1","3","2","6","1") = "5"
    & skf21("3","3","2","1","3","2","7","1") = "6"
    & skf21("3","3","2","1","3","3","1","1") = "2"
    & skf21("3","3","2","1","3","3","2","1") = "2"
    & skf21("3","3","2","1","3","3","3","1") = "2"
    & skf21("3","3","2","1","3","3","4","1") = "3"
    & skf21("3","3","2","1","3","3","5","1") = "4"
    & skf21("3","3","2","1","3","3","6","1") = "5"
    & skf21("3","3","2","1","3","3","7","1") = "6"
    & skf21("3","3","2","1","3","4","1","1") = "3"
    & skf21("3","3","2","1","3","4","2","1") = "3"
    & skf21("3","3","2","1","3","4","3","1") = "3"
    & skf21("3","3","2","1","3","4","4","1") = "3"
    & skf21("3","3","2","1","3","4","5","1") = "4"
    & skf21("3","3","2","1","3","4","6","1") = "5"
    & skf21("3","3","2","1","3","4","7","1") = "6"
    & skf21("3","3","2","1","3","5","1","1") = "4"
    & skf21("3","3","2","1","3","5","2","1") = "4"
    & skf21("3","3","2","1","3","5","3","1") = "4"
    & skf21("3","3","2","1","3","5","4","1") = "4"
    & skf21("3","3","2","1","3","5","5","1") = "4"
    & skf21("3","3","2","1","3","5","6","1") = "5"
    & skf21("3","3","2","1","3","5","7","1") = "6"
    & skf21("3","3","2","1","3","6","1","1") = "5"
    & skf21("3","3","2","1","3","6","2","1") = "5"
    & skf21("3","3","2","1","3","6","3","1") = "5"
    & skf21("3","3","2","1","3","6","4","1") = "5"
    & skf21("3","3","2","1","3","6","5","1") = "5"
    & skf21("3","3","2","1","3","6","6","1") = "5"
    & skf21("3","3","2","1","3","6","7","1") = "6"
    & skf21("3","3","2","1","3","7","1","1") = "6"
    & skf21("3","3","2","1","3","7","2","1") = "6"
    & skf21("3","3","2","1","3","7","3","1") = "6"
    & skf21("3","3","2","1","3","7","4","1") = "6"
    & skf21("3","3","2","1","3","7","5","1") = "6"
    & skf21("3","3","2","1","3","7","6","1") = "6"
    & skf21("3","3","2","1","3","7","7","1") = "6"
    & skf21("3","3","2","1","4","1","1","1") = "3"
    & skf21("3","3","2","1","4","1","2","1") = "3"
    & skf21("3","3","2","1","4","1","3","1") = "3"
    & skf21("3","3","2","1","4","1","4","1") = "3"
    & skf21("3","3","2","1","4","1","5","1") = "4"
    & skf21("3","3","2","1","4","1","6","1") = "5"
    & skf21("3","3","2","1","4","1","7","1") = "6"
    & skf21("3","3","2","1","4","2","1","1") = "3"
    & skf21("3","3","2","1","4","2","2","1") = "3"
    & skf21("3","3","2","1","4","2","3","1") = "3"
    & skf21("3","3","2","1","4","2","4","1") = "3"
    & skf21("3","3","2","1","4","2","5","1") = "4"
    & skf21("3","3","2","1","4","2","6","1") = "5"
    & skf21("3","3","2","1","4","2","7","1") = "6"
    & skf21("3","3","2","1","4","3","1","1") = "3"
    & skf21("3","3","2","1","4","3","2","1") = "3"
    & skf21("3","3","2","1","4","3","3","1") = "3"
    & skf21("3","3","2","1","4","3","4","1") = "3"
    & skf21("3","3","2","1","4","3","5","1") = "4"
    & skf21("3","3","2","1","4","3","6","1") = "5"
    & skf21("3","3","2","1","4","3","7","1") = "6"
    & skf21("3","3","2","1","4","4","1","1") = "3"
    & skf21("3","3","2","1","4","4","2","1") = "3"
    & skf21("3","3","2","1","4","4","3","1") = "3"
    & skf21("3","3","2","1","4","4","4","1") = "3"
    & skf21("3","3","2","1","4","4","5","1") = "4"
    & skf21("3","3","2","1","4","4","6","1") = "5"
    & skf21("3","3","2","1","4","4","7","1") = "6"
    & skf21("3","3","2","1","4","5","1","1") = "4"
    & skf21("3","3","2","1","4","5","2","1") = "4"
    & skf21("3","3","2","1","4","5","3","1") = "4"
    & skf21("3","3","2","1","4","5","4","1") = "4"
    & skf21("3","3","2","1","4","5","5","1") = "4"
    & skf21("3","3","2","1","4","5","6","1") = "5"
    & skf21("3","3","2","1","4","5","7","1") = "6"
    & skf21("3","3","2","1","4","6","1","1") = "5"
    & skf21("3","3","2","1","4","6","2","1") = "5"
    & skf21("3","3","2","1","4","6","3","1") = "5"
    & skf21("3","3","2","1","4","6","4","1") = "5"
    & skf21("3","3","2","1","4","6","5","1") = "5"
    & skf21("3","3","2","1","4","6","6","1") = "5"
    & skf21("3","3","2","1","4","6","7","1") = "6"
    & skf21("3","3","2","1","4","7","1","1") = "6"
    & skf21("3","3","2","1","4","7","2","1") = "6"
    & skf21("3","3","2","1","4","7","3","1") = "6"
    & skf21("3","3","2","1","4","7","4","1") = "6"
    & skf21("3","3","2","1","4","7","5","1") = "6"
    & skf21("3","3","2","1","4","7","6","1") = "6"
    & skf21("3","3","2","1","4","7","7","1") = "6"
    & skf21("3","3","2","1","5","1","1","1") = "4"
    & skf21("3","3","2","1","5","1","2","1") = "4"
    & skf21("3","3","2","1","5","1","3","1") = "4"
    & skf21("3","3","2","1","5","1","4","1") = "4"
    & skf21("3","3","2","1","5","1","5","1") = "4"
    & skf21("3","3","2","1","5","1","6","1") = "5"
    & skf21("3","3","2","1","5","1","7","1") = "6"
    & skf21("3","3","2","1","5","2","1","1") = "4"
    & skf21("3","3","2","1","5","2","2","1") = "4"
    & skf21("3","3","2","1","5","2","3","1") = "4"
    & skf21("3","3","2","1","5","2","4","1") = "4"
    & skf21("3","3","2","1","5","2","5","1") = "4"
    & skf21("3","3","2","1","5","2","6","1") = "5"
    & skf21("3","3","2","1","5","2","7","1") = "6"
    & skf21("3","3","2","1","5","3","1","1") = "4"
    & skf21("3","3","2","1","5","3","2","1") = "4"
    & skf21("3","3","2","1","5","3","3","1") = "4"
    & skf21("3","3","2","1","5","3","4","1") = "4"
    & skf21("3","3","2","1","5","3","5","1") = "4"
    & skf21("3","3","2","1","5","3","6","1") = "5"
    & skf21("3","3","2","1","5","3","7","1") = "6"
    & skf21("3","3","2","1","5","4","1","1") = "4"
    & skf21("3","3","2","1","5","4","2","1") = "4"
    & skf21("3","3","2","1","5","4","3","1") = "4"
    & skf21("3","3","2","1","5","4","4","1") = "4"
    & skf21("3","3","2","1","5","4","5","1") = "4"
    & skf21("3","3","2","1","5","4","6","1") = "5"
    & skf21("3","3","2","1","5","4","7","1") = "6"
    & skf21("3","3","2","1","5","5","1","1") = "4"
    & skf21("3","3","2","1","5","5","2","1") = "4"
    & skf21("3","3","2","1","5","5","3","1") = "4"
    & skf21("3","3","2","1","5","5","4","1") = "4"
    & skf21("3","3","2","1","5","5","5","1") = "4"
    & skf21("3","3","2","1","5","5","6","1") = "5"
    & skf21("3","3","2","1","5","5","7","1") = "6"
    & skf21("3","3","2","1","5","6","1","1") = "5"
    & skf21("3","3","2","1","5","6","2","1") = "5"
    & skf21("3","3","2","1","5","6","3","1") = "5"
    & skf21("3","3","2","1","5","6","4","1") = "5"
    & skf21("3","3","2","1","5","6","5","1") = "5"
    & skf21("3","3","2","1","5","6","6","1") = "5"
    & skf21("3","3","2","1","5","6","7","1") = "6"
    & skf21("3","3","2","1","5","7","1","1") = "6"
    & skf21("3","3","2","1","5","7","2","1") = "6"
    & skf21("3","3","2","1","5","7","3","1") = "6"
    & skf21("3","3","2","1","5","7","4","1") = "6"
    & skf21("3","3","2","1","5","7","5","1") = "6"
    & skf21("3","3","2","1","5","7","6","1") = "6"
    & skf21("3","3","2","1","5","7","7","1") = "6"
    & skf21("3","3","2","1","6","1","1","1") = "5"
    & skf21("3","3","2","1","6","1","2","1") = "5"
    & skf21("3","3","2","1","6","1","3","1") = "5"
    & skf21("3","3","2","1","6","1","4","1") = "5"
    & skf21("3","3","2","1","6","1","5","1") = "5"
    & skf21("3","3","2","1","6","1","6","1") = "5"
    & skf21("3","3","2","1","6","1","7","1") = "6"
    & skf21("3","3","2","1","6","2","1","1") = "5"
    & skf21("3","3","2","1","6","2","2","1") = "5"
    & skf21("3","3","2","1","6","2","3","1") = "5"
    & skf21("3","3","2","1","6","2","4","1") = "5"
    & skf21("3","3","2","1","6","2","5","1") = "5"
    & skf21("3","3","2","1","6","2","6","1") = "5"
    & skf21("3","3","2","1","6","2","7","1") = "6"
    & skf21("3","3","2","1","6","3","1","1") = "5"
    & skf21("3","3","2","1","6","3","2","1") = "5"
    & skf21("3","3","2","1","6","3","3","1") = "5"
    & skf21("3","3","2","1","6","3","4","1") = "5"
    & skf21("3","3","2","1","6","3","5","1") = "5"
    & skf21("3","3","2","1","6","3","6","1") = "5"
    & skf21("3","3","2","1","6","3","7","1") = "6"
    & skf21("3","3","2","1","6","4","1","1") = "5"
    & skf21("3","3","2","1","6","4","2","1") = "5"
    & skf21("3","3","2","1","6","4","3","1") = "5"
    & skf21("3","3","2","1","6","4","4","1") = "5"
    & skf21("3","3","2","1","6","4","5","1") = "5"
    & skf21("3","3","2","1","6","4","6","1") = "5"
    & skf21("3","3","2","1","6","4","7","1") = "6"
    & skf21("3","3","2","1","6","5","1","1") = "5"
    & skf21("3","3","2","1","6","5","2","1") = "5"
    & skf21("3","3","2","1","6","5","3","1") = "5"
    & skf21("3","3","2","1","6","5","4","1") = "5"
    & skf21("3","3","2","1","6","5","5","1") = "5"
    & skf21("3","3","2","1","6","5","6","1") = "5"
    & skf21("3","3","2","1","6","5","7","1") = "6"
    & skf21("3","3","2","1","6","6","1","1") = "5"
    & skf21("3","3","2","1","6","6","2","1") = "5"
    & skf21("3","3","2","1","6","6","3","1") = "5"
    & skf21("3","3","2","1","6","6","4","1") = "5"
    & skf21("3","3","2","1","6","6","5","1") = "5"
    & skf21("3","3","2","1","6","6","6","1") = "5"
    & skf21("3","3","2","1","6","6","7","1") = "6"
    & skf21("3","3","2","1","6","7","1","1") = "6"
    & skf21("3","3","2","1","6","7","2","1") = "6"
    & skf21("3","3","2","1","6","7","3","1") = "6"
    & skf21("3","3","2","1","6","7","4","1") = "6"
    & skf21("3","3","2","1","6","7","5","1") = "6"
    & skf21("3","3","2","1","6","7","6","1") = "6"
    & skf21("3","3","2","1","6","7","7","1") = "6"
    & skf21("3","3","2","1","7","1","1","1") = "6"
    & skf21("3","3","2","1","7","1","2","1") = "6"
    & skf21("3","3","2","1","7","1","3","1") = "6"
    & skf21("3","3","2","1","7","1","4","1") = "6"
    & skf21("3","3","2","1","7","1","5","1") = "6"
    & skf21("3","3","2","1","7","1","6","1") = "6"
    & skf21("3","3","2","1","7","1","7","1") = "6"
    & skf21("3","3","2","1","7","2","1","1") = "6"
    & skf21("3","3","2","1","7","2","2","1") = "6"
    & skf21("3","3","2","1","7","2","3","1") = "6"
    & skf21("3","3","2","1","7","2","4","1") = "6"
    & skf21("3","3","2","1","7","2","5","1") = "6"
    & skf21("3","3","2","1","7","2","6","1") = "6"
    & skf21("3","3","2","1","7","2","7","1") = "6"
    & skf21("3","3","2","1","7","3","1","1") = "6"
    & skf21("3","3","2","1","7","3","2","1") = "6"
    & skf21("3","3","2","1","7","3","3","1") = "6"
    & skf21("3","3","2","1","7","3","4","1") = "6"
    & skf21("3","3","2","1","7","3","5","1") = "6"
    & skf21("3","3","2","1","7","3","6","1") = "6"
    & skf21("3","3","2","1","7","3","7","1") = "6"
    & skf21("3","3","2","1","7","4","1","1") = "6"
    & skf21("3","3","2","1","7","4","2","1") = "6"
    & skf21("3","3","2","1","7","4","3","1") = "6"
    & skf21("3","3","2","1","7","4","4","1") = "6"
    & skf21("3","3","2","1","7","4","5","1") = "6"
    & skf21("3","3","2","1","7","4","6","1") = "6"
    & skf21("3","3","2","1","7","4","7","1") = "6"
    & skf21("3","3","2","1","7","5","1","1") = "6"
    & skf21("3","3","2","1","7","5","2","1") = "6"
    & skf21("3","3","2","1","7","5","3","1") = "6"
    & skf21("3","3","2","1","7","5","4","1") = "6"
    & skf21("3","3","2","1","7","5","5","1") = "6"
    & skf21("3","3","2","1","7","5","6","1") = "6"
    & skf21("3","3","2","1","7","5","7","1") = "6"
    & skf21("3","3","2","1","7","6","1","1") = "6"
    & skf21("3","3","2","1","7","6","2","1") = "6"
    & skf21("3","3","2","1","7","6","3","1") = "6"
    & skf21("3","3","2","1","7","6","4","1") = "6"
    & skf21("3","3","2","1","7","6","5","1") = "6"
    & skf21("3","3","2","1","7","6","6","1") = "6"
    & skf21("3","3","2","1","7","6","7","1") = "6"
    & skf21("3","3","2","1","7","7","1","1") = "6"
    & skf21("3","3","2","1","7","7","2","1") = "6"
    & skf21("3","3","2","1","7","7","3","1") = "6"
    & skf21("3","3","2","1","7","7","4","1") = "6"
    & skf21("3","3","2","1","7","7","5","1") = "6"
    & skf21("3","3","2","1","7","7","6","1") = "6"
    & skf21("3","3","2","1","7","7","7","1") = "6"
    & skf21("3","3","2","2","1","1","1","1") = "2"
    & skf21("3","3","2","2","1","1","2","1") = "2"
    & skf21("3","3","2","2","1","1","3","1") = "2"
    & skf21("3","3","2","2","1","1","4","1") = "3"
    & skf21("3","3","2","2","1","1","5","1") = "4"
    & skf21("3","3","2","2","1","1","6","1") = "5"
    & skf21("3","3","2","2","1","1","7","1") = "6"
    & skf21("3","3","2","2","1","2","1","1") = "2"
    & skf21("3","3","2","2","1","2","2","1") = "2"
    & skf21("3","3","2","2","1","2","3","1") = "2"
    & skf21("3","3","2","2","1","2","4","1") = "3"
    & skf21("3","3","2","2","1","2","5","1") = "4"
    & skf21("3","3","2","2","1","2","6","1") = "5"
    & skf21("3","3","2","2","1","2","7","1") = "6"
    & skf21("3","3","2","2","1","3","1","1") = "2"
    & skf21("3","3","2","2","1","3","2","1") = "2"
    & skf21("3","3","2","2","1","3","3","1") = "2"
    & skf21("3","3","2","2","1","3","4","1") = "3"
    & skf21("3","3","2","2","1","3","5","1") = "4"
    & skf21("3","3","2","2","1","3","6","1") = "5"
    & skf21("3","3","2","2","1","3","7","1") = "6"
    & skf21("3","3","2","2","1","4","1","1") = "3"
    & skf21("3","3","2","2","1","4","2","1") = "3"
    & skf21("3","3","2","2","1","4","3","1") = "3"
    & skf21("3","3","2","2","1","4","4","1") = "3"
    & skf21("3","3","2","2","1","4","5","1") = "4"
    & skf21("3","3","2","2","1","4","6","1") = "5"
    & skf21("3","3","2","2","1","4","7","1") = "6"
    & skf21("3","3","2","2","1","5","1","1") = "4"
    & skf21("3","3","2","2","1","5","2","1") = "4"
    & skf21("3","3","2","2","1","5","3","1") = "4"
    & skf21("3","3","2","2","1","5","4","1") = "4"
    & skf21("3","3","2","2","1","5","5","1") = "4"
    & skf21("3","3","2","2","1","5","6","1") = "5"
    & skf21("3","3","2","2","1","5","7","1") = "6"
    & skf21("3","3","2","2","1","6","1","1") = "5"
    & skf21("3","3","2","2","1","6","2","1") = "5"
    & skf21("3","3","2","2","1","6","3","1") = "5"
    & skf21("3","3","2","2","1","6","4","1") = "5"
    & skf21("3","3","2","2","1","6","5","1") = "5"
    & skf21("3","3","2","2","1","6","6","1") = "5"
    & skf21("3","3","2","2","1","6","7","1") = "6"
    & skf21("3","3","2","2","1","7","1","1") = "6"
    & skf21("3","3","2","2","1","7","2","1") = "6"
    & skf21("3","3","2","2","1","7","3","1") = "6"
    & skf21("3","3","2","2","1","7","4","1") = "6"
    & skf21("3","3","2","2","1","7","5","1") = "6"
    & skf21("3","3","2","2","1","7","6","1") = "6"
    & skf21("3","3","2","2","1","7","7","1") = "6"
    & skf21("3","3","2","2","2","1","1","1") = "2"
    & skf21("3","3","2","2","2","1","2","1") = "1"
    & skf21("3","3","2","2","2","1","3","1") = "2"
    & skf21("3","3","2","2","2","1","4","1") = "3"
    & skf21("3","3","2","2","2","1","5","1") = "4"
    & skf21("3","3","2","2","2","1","6","1") = "5"
    & skf21("3","3","2","2","2","1","7","1") = "6"
    & skf21("3","3","2","2","2","2","1","1") = "2"
    & skf21("3","3","2","2","2","2","2","1") = "2"
    & skf21("3","3","2","2","2","2","3","1") = "2"
    & skf21("3","3","2","2","2","2","4","1") = "3"
    & skf21("3","3","2","2","2","2","5","1") = "4"
    & skf21("3","3","2","2","2","2","6","1") = "5"
    & skf21("3","3","2","2","2","2","7","1") = "6"
    & skf21("3","3","2","2","2","3","1","1") = "2"
    & skf21("3","3","2","2","2","3","2","1") = "2"
    & skf21("3","3","2","2","2","3","3","1") = "2"
    & skf21("3","3","2","2","2","3","4","1") = "3"
    & skf21("3","3","2","2","2","3","5","1") = "4"
    & skf21("3","3","2","2","2","3","6","1") = "5"
    & skf21("3","3","2","2","2","3","7","1") = "6"
    & skf21("3","3","2","2","2","4","1","1") = "3"
    & skf21("3","3","2","2","2","4","2","1") = "3"
    & skf21("3","3","2","2","2","4","3","1") = "3"
    & skf21("3","3","2","2","2","4","4","1") = "3"
    & skf21("3","3","2","2","2","4","5","1") = "4"
    & skf21("3","3","2","2","2","4","6","1") = "5"
    & skf21("3","3","2","2","2","4","7","1") = "6"
    & skf21("3","3","2","2","2","5","1","1") = "4"
    & skf21("3","3","2","2","2","5","2","1") = "4"
    & skf21("3","3","2","2","2","5","3","1") = "4"
    & skf21("3","3","2","2","2","5","4","1") = "4"
    & skf21("3","3","2","2","2","5","5","1") = "4"
    & skf21("3","3","2","2","2","5","6","1") = "5"
    & skf21("3","3","2","2","2","5","7","1") = "6"
    & skf21("3","3","2","2","2","6","1","1") = "5"
    & skf21("3","3","2","2","2","6","2","1") = "5"
    & skf21("3","3","2","2","2","6","3","1") = "5"
    & skf21("3","3","2","2","2","6","4","1") = "5"
    & skf21("3","3","2","2","2","6","5","1") = "5"
    & skf21("3","3","2","2","2","6","6","1") = "5"
    & skf21("3","3","2","2","2","6","7","1") = "6"
    & skf21("3","3","2","2","2","7","1","1") = "6"
    & skf21("3","3","2","2","2","7","2","1") = "6"
    & skf21("3","3","2","2","2","7","3","1") = "6"
    & skf21("3","3","2","2","2","7","4","1") = "6"
    & skf21("3","3","2","2","2","7","5","1") = "6"
    & skf21("3","3","2","2","2","7","6","1") = "6"
    & skf21("3","3","2","2","2","7","7","1") = "6"
    & skf21("3","3","2","2","3","1","1","1") = "2"
    & skf21("3","3","2","2","3","1","2","1") = "2"
    & skf21("3","3","2","2","3","1","3","1") = "2"
    & skf21("3","3","2","2","3","1","4","1") = "3"
    & skf21("3","3","2","2","3","1","5","1") = "4"
    & skf21("3","3","2","2","3","1","6","1") = "5"
    & skf21("3","3","2","2","3","1","7","1") = "6"
    & skf21("3","3","2","2","3","2","1","1") = "2"
    & skf21("3","3","2","2","3","2","2","1") = "2"
    & skf21("3","3","2","2","3","2","3","1") = "2"
    & skf21("3","3","2","2","3","2","4","1") = "3"
    & skf21("3","3","2","2","3","2","5","1") = "4"
    & skf21("3","3","2","2","3","2","6","1") = "5"
    & skf21("3","3","2","2","3","2","7","1") = "6"
    & skf21("3","3","2","2","3","3","1","1") = "2"
    & skf21("3","3","2","2","3","3","2","1") = "2"
    & skf21("3","3","2","2","3","3","3","1") = "2"
    & skf21("3","3","2","2","3","3","4","1") = "3"
    & skf21("3","3","2","2","3","3","5","1") = "4"
    & skf21("3","3","2","2","3","3","6","1") = "5"
    & skf21("3","3","2","2","3","3","7","1") = "6"
    & skf21("3","3","2","2","3","4","1","1") = "3"
    & skf21("3","3","2","2","3","4","2","1") = "3"
    & skf21("3","3","2","2","3","4","3","1") = "3"
    & skf21("3","3","2","2","3","4","4","1") = "3"
    & skf21("3","3","2","2","3","4","5","1") = "4"
    & skf21("3","3","2","2","3","4","6","1") = "5"
    & skf21("3","3","2","2","3","4","7","1") = "6"
    & skf21("3","3","2","2","3","5","1","1") = "4"
    & skf21("3","3","2","2","3","5","2","1") = "4"
    & skf21("3","3","2","2","3","5","3","1") = "4"
    & skf21("3","3","2","2","3","5","4","1") = "4"
    & skf21("3","3","2","2","3","5","5","1") = "4"
    & skf21("3","3","2","2","3","5","6","1") = "5"
    & skf21("3","3","2","2","3","5","7","1") = "6"
    & skf21("3","3","2","2","3","6","1","1") = "5"
    & skf21("3","3","2","2","3","6","2","1") = "5"
    & skf21("3","3","2","2","3","6","3","1") = "5"
    & skf21("3","3","2","2","3","6","4","1") = "5"
    & skf21("3","3","2","2","3","6","5","1") = "5"
    & skf21("3","3","2","2","3","6","6","1") = "5"
    & skf21("3","3","2","2","3","6","7","1") = "6"
    & skf21("3","3","2","2","3","7","1","1") = "6"
    & skf21("3","3","2","2","3","7","2","1") = "6"
    & skf21("3","3","2","2","3","7","3","1") = "6"
    & skf21("3","3","2","2","3","7","4","1") = "6"
    & skf21("3","3","2","2","3","7","5","1") = "6"
    & skf21("3","3","2","2","3","7","6","1") = "6"
    & skf21("3","3","2","2","3","7","7","1") = "6"
    & skf21("3","3","2","2","4","1","1","1") = "3"
    & skf21("3","3","2","2","4","1","2","1") = "3"
    & skf21("3","3","2","2","4","1","3","1") = "3"
    & skf21("3","3","2","2","4","1","4","1") = "3"
    & skf21("3","3","2","2","4","1","5","1") = "4"
    & skf21("3","3","2","2","4","1","6","1") = "5"
    & skf21("3","3","2","2","4","1","7","1") = "6"
    & skf21("3","3","2","2","4","2","1","1") = "3"
    & skf21("3","3","2","2","4","2","2","1") = "3"
    & skf21("3","3","2","2","4","2","3","1") = "3"
    & skf21("3","3","2","2","4","2","4","1") = "3"
    & skf21("3","3","2","2","4","2","5","1") = "4"
    & skf21("3","3","2","2","4","2","6","1") = "5"
    & skf21("3","3","2","2","4","2","7","1") = "6"
    & skf21("3","3","2","2","4","3","1","1") = "3"
    & skf21("3","3","2","2","4","3","2","1") = "3"
    & skf21("3","3","2","2","4","3","3","1") = "3"
    & skf21("3","3","2","2","4","3","4","1") = "3"
    & skf21("3","3","2","2","4","3","5","1") = "4"
    & skf21("3","3","2","2","4","3","6","1") = "5"
    & skf21("3","3","2","2","4","3","7","1") = "6"
    & skf21("3","3","2","2","4","4","1","1") = "3"
    & skf21("3","3","2","2","4","4","2","1") = "3"
    & skf21("3","3","2","2","4","4","3","1") = "3"
    & skf21("3","3","2","2","4","4","4","1") = "3"
    & skf21("3","3","2","2","4","4","5","1") = "4"
    & skf21("3","3","2","2","4","4","6","1") = "5"
    & skf21("3","3","2","2","4","4","7","1") = "6"
    & skf21("3","3","2","2","4","5","1","1") = "4"
    & skf21("3","3","2","2","4","5","2","1") = "4"
    & skf21("3","3","2","2","4","5","3","1") = "4"
    & skf21("3","3","2","2","4","5","4","1") = "4"
    & skf21("3","3","2","2","4","5","5","1") = "4"
    & skf21("3","3","2","2","4","5","6","1") = "5"
    & skf21("3","3","2","2","4","5","7","1") = "6"
    & skf21("3","3","2","2","4","6","1","1") = "5"
    & skf21("3","3","2","2","4","6","2","1") = "5"
    & skf21("3","3","2","2","4","6","3","1") = "5"
    & skf21("3","3","2","2","4","6","4","1") = "5"
    & skf21("3","3","2","2","4","6","5","1") = "5"
    & skf21("3","3","2","2","4","6","6","1") = "5"
    & skf21("3","3","2","2","4","6","7","1") = "6"
    & skf21("3","3","2","2","4","7","1","1") = "6"
    & skf21("3","3","2","2","4","7","2","1") = "6"
    & skf21("3","3","2","2","4","7","3","1") = "6"
    & skf21("3","3","2","2","4","7","4","1") = "6"
    & skf21("3","3","2","2","4","7","5","1") = "6"
    & skf21("3","3","2","2","4","7","6","1") = "6"
    & skf21("3","3","2","2","4","7","7","1") = "6"
    & skf21("3","3","2","2","5","1","1","1") = "4"
    & skf21("3","3","2","2","5","1","2","1") = "4"
    & skf21("3","3","2","2","5","1","3","1") = "4"
    & skf21("3","3","2","2","5","1","4","1") = "4"
    & skf21("3","3","2","2","5","1","5","1") = "4"
    & skf21("3","3","2","2","5","1","6","1") = "5"
    & skf21("3","3","2","2","5","1","7","1") = "6"
    & skf21("3","3","2","2","5","2","1","1") = "4"
    & skf21("3","3","2","2","5","2","2","1") = "4"
    & skf21("3","3","2","2","5","2","3","1") = "4"
    & skf21("3","3","2","2","5","2","4","1") = "4"
    & skf21("3","3","2","2","5","2","5","1") = "4"
    & skf21("3","3","2","2","5","2","6","1") = "5"
    & skf21("3","3","2","2","5","2","7","1") = "6"
    & skf21("3","3","2","2","5","3","1","1") = "4"
    & skf21("3","3","2","2","5","3","2","1") = "4"
    & skf21("3","3","2","2","5","3","3","1") = "4"
    & skf21("3","3","2","2","5","3","4","1") = "4"
    & skf21("3","3","2","2","5","3","5","1") = "4"
    & skf21("3","3","2","2","5","3","6","1") = "5"
    & skf21("3","3","2","2","5","3","7","1") = "6"
    & skf21("3","3","2","2","5","4","1","1") = "4"
    & skf21("3","3","2","2","5","4","2","1") = "4"
    & skf21("3","3","2","2","5","4","3","1") = "4"
    & skf21("3","3","2","2","5","4","4","1") = "4"
    & skf21("3","3","2","2","5","4","5","1") = "4"
    & skf21("3","3","2","2","5","4","6","1") = "5"
    & skf21("3","3","2","2","5","4","7","1") = "6"
    & skf21("3","3","2","2","5","5","1","1") = "4"
    & skf21("3","3","2","2","5","5","2","1") = "4"
    & skf21("3","3","2","2","5","5","3","1") = "4"
    & skf21("3","3","2","2","5","5","4","1") = "4"
    & skf21("3","3","2","2","5","5","5","1") = "4"
    & skf21("3","3","2","2","5","5","6","1") = "5"
    & skf21("3","3","2","2","5","5","7","1") = "6"
    & skf21("3","3","2","2","5","6","1","1") = "5"
    & skf21("3","3","2","2","5","6","2","1") = "5"
    & skf21("3","3","2","2","5","6","3","1") = "5"
    & skf21("3","3","2","2","5","6","4","1") = "5"
    & skf21("3","3","2","2","5","6","5","1") = "5"
    & skf21("3","3","2","2","5","6","6","1") = "5"
    & skf21("3","3","2","2","5","6","7","1") = "6"
    & skf21("3","3","2","2","5","7","1","1") = "6"
    & skf21("3","3","2","2","5","7","2","1") = "6"
    & skf21("3","3","2","2","5","7","3","1") = "6"
    & skf21("3","3","2","2","5","7","4","1") = "6"
    & skf21("3","3","2","2","5","7","5","1") = "6"
    & skf21("3","3","2","2","5","7","6","1") = "6"
    & skf21("3","3","2","2","5","7","7","1") = "6"
    & skf21("3","3","2","2","6","1","1","1") = "5"
    & skf21("3","3","2","2","6","1","2","1") = "5"
    & skf21("3","3","2","2","6","1","3","1") = "5"
    & skf21("3","3","2","2","6","1","4","1") = "5"
    & skf21("3","3","2","2","6","1","5","1") = "5"
    & skf21("3","3","2","2","6","1","6","1") = "5"
    & skf21("3","3","2","2","6","1","7","1") = "6"
    & skf21("3","3","2","2","6","2","1","1") = "5"
    & skf21("3","3","2","2","6","2","2","1") = "5"
    & skf21("3","3","2","2","6","2","3","1") = "5"
    & skf21("3","3","2","2","6","2","4","1") = "5"
    & skf21("3","3","2","2","6","2","5","1") = "5"
    & skf21("3","3","2","2","6","2","6","1") = "5"
    & skf21("3","3","2","2","6","2","7","1") = "6"
    & skf21("3","3","2","2","6","3","1","1") = "5"
    & skf21("3","3","2","2","6","3","2","1") = "5"
    & skf21("3","3","2","2","6","3","3","1") = "5"
    & skf21("3","3","2","2","6","3","4","1") = "5"
    & skf21("3","3","2","2","6","3","5","1") = "5"
    & skf21("3","3","2","2","6","3","6","1") = "5"
    & skf21("3","3","2","2","6","3","7","1") = "6"
    & skf21("3","3","2","2","6","4","1","1") = "5"
    & skf21("3","3","2","2","6","4","2","1") = "5"
    & skf21("3","3","2","2","6","4","3","1") = "5"
    & skf21("3","3","2","2","6","4","4","1") = "5"
    & skf21("3","3","2","2","6","4","5","1") = "5"
    & skf21("3","3","2","2","6","4","6","1") = "5"
    & skf21("3","3","2","2","6","4","7","1") = "6"
    & skf21("3","3","2","2","6","5","1","1") = "5"
    & skf21("3","3","2","2","6","5","2","1") = "5"
    & skf21("3","3","2","2","6","5","3","1") = "5"
    & skf21("3","3","2","2","6","5","4","1") = "5"
    & skf21("3","3","2","2","6","5","5","1") = "5"
    & skf21("3","3","2","2","6","5","6","1") = "5"
    & skf21("3","3","2","2","6","5","7","1") = "6"
    & skf21("3","3","2","2","6","6","1","1") = "5"
    & skf21("3","3","2","2","6","6","2","1") = "5"
    & skf21("3","3","2","2","6","6","3","1") = "5"
    & skf21("3","3","2","2","6","6","4","1") = "5"
    & skf21("3","3","2","2","6","6","5","1") = "5"
    & skf21("3","3","2","2","6","6","6","1") = "5"
    & skf21("3","3","2","2","6","6","7","1") = "6"
    & skf21("3","3","2","2","6","7","1","1") = "6"
    & skf21("3","3","2","2","6","7","2","1") = "6"
    & skf21("3","3","2","2","6","7","3","1") = "6"
    & skf21("3","3","2","2","6","7","4","1") = "6"
    & skf21("3","3","2","2","6","7","5","1") = "6"
    & skf21("3","3","2","2","6","7","6","1") = "6"
    & skf21("3","3","2","2","6","7","7","1") = "6"
    & skf21("3","3","2","2","7","1","1","1") = "6"
    & skf21("3","3","2","2","7","1","2","1") = "6"
    & skf21("3","3","2","2","7","1","3","1") = "6"
    & skf21("3","3","2","2","7","1","4","1") = "6"
    & skf21("3","3","2","2","7","1","5","1") = "6"
    & skf21("3","3","2","2","7","1","6","1") = "6"
    & skf21("3","3","2","2","7","1","7","1") = "6"
    & skf21("3","3","2","2","7","2","1","1") = "6"
    & skf21("3","3","2","2","7","2","2","1") = "6"
    & skf21("3","3","2","2","7","2","3","1") = "6"
    & skf21("3","3","2","2","7","2","4","1") = "6"
    & skf21("3","3","2","2","7","2","5","1") = "6"
    & skf21("3","3","2","2","7","2","6","1") = "6"
    & skf21("3","3","2","2","7","2","7","1") = "6"
    & skf21("3","3","2","2","7","3","1","1") = "6"
    & skf21("3","3","2","2","7","3","2","1") = "6"
    & skf21("3","3","2","2","7","3","3","1") = "6"
    & skf21("3","3","2","2","7","3","4","1") = "6"
    & skf21("3","3","2","2","7","3","5","1") = "6"
    & skf21("3","3","2","2","7","3","6","1") = "6"
    & skf21("3","3","2","2","7","3","7","1") = "6"
    & skf21("3","3","2","2","7","4","1","1") = "6"
    & skf21("3","3","2","2","7","4","2","1") = "6"
    & skf21("3","3","2","2","7","4","3","1") = "6"
    & skf21("3","3","2","2","7","4","4","1") = "6"
    & skf21("3","3","2","2","7","4","5","1") = "6"
    & skf21("3","3","2","2","7","4","6","1") = "6"
    & skf21("3","3","2","2","7","4","7","1") = "6"
    & skf21("3","3","2","2","7","5","1","1") = "6"
    & skf21("3","3","2","2","7","5","2","1") = "6"
    & skf21("3","3","2","2","7","5","3","1") = "6"
    & skf21("3","3","2","2","7","5","4","1") = "6"
    & skf21("3","3","2","2","7","5","5","1") = "6"
    & skf21("3","3","2","2","7","5","6","1") = "6"
    & skf21("3","3","2","2","7","5","7","1") = "6"
    & skf21("3","3","2","2","7","6","1","1") = "6"
    & skf21("3","3","2","2","7","6","2","1") = "6"
    & skf21("3","3","2","2","7","6","3","1") = "6"
    & skf21("3","3","2","2","7","6","4","1") = "6"
    & skf21("3","3","2","2","7","6","5","1") = "6"
    & skf21("3","3","2","2","7","6","6","1") = "6"
    & skf21("3","3","2","2","7","6","7","1") = "6"
    & skf21("3","3","2","2","7","7","1","1") = "6"
    & skf21("3","3","2","2","7","7","2","1") = "6"
    & skf21("3","3","2","2","7","7","3","1") = "6"
    & skf21("3","3","2","2","7","7","4","1") = "6"
    & skf21("3","3","2","2","7","7","5","1") = "6"
    & skf21("3","3","2","2","7","7","6","1") = "6"
    & skf21("3","3","2","2","7","7","7","1") = "6"
    & skf21("3","3","2","3","1","1","1","1") = "2"
    & skf21("3","3","2","3","1","1","2","1") = "2"
    & skf21("3","3","2","3","1","1","3","1") = "2"
    & skf21("3","3","2","3","1","1","4","1") = "3"
    & skf21("3","3","2","3","1","1","5","1") = "4"
    & skf21("3","3","2","3","1","1","6","1") = "5"
    & skf21("3","3","2","3","1","1","7","1") = "6"
    & skf21("3","3","2","3","1","2","1","1") = "2"
    & skf21("3","3","2","3","1","2","2","1") = "2"
    & skf21("3","3","2","3","1","2","3","1") = "2"
    & skf21("3","3","2","3","1","2","4","1") = "3"
    & skf21("3","3","2","3","1","2","5","1") = "4"
    & skf21("3","3","2","3","1","2","6","1") = "5"
    & skf21("3","3","2","3","1","2","7","1") = "6"
    & skf21("3","3","2","3","1","3","1","1") = "2"
    & skf21("3","3","2","3","1","3","2","1") = "2"
    & skf21("3","3","2","3","1","3","3","1") = "2"
    & skf21("3","3","2","3","1","3","4","1") = "3"
    & skf21("3","3","2","3","1","3","5","1") = "4"
    & skf21("3","3","2","3","1","3","6","1") = "5"
    & skf21("3","3","2","3","1","3","7","1") = "6"
    & skf21("3","3","2","3","1","4","1","1") = "3"
    & skf21("3","3","2","3","1","4","2","1") = "3"
    & skf21("3","3","2","3","1","4","3","1") = "3"
    & skf21("3","3","2","3","1","4","4","1") = "3"
    & skf21("3","3","2","3","1","4","5","1") = "4"
    & skf21("3","3","2","3","1","4","6","1") = "5"
    & skf21("3","3","2","3","1","4","7","1") = "6"
    & skf21("3","3","2","3","1","5","1","1") = "4"
    & skf21("3","3","2","3","1","5","2","1") = "4"
    & skf21("3","3","2","3","1","5","3","1") = "4"
    & skf21("3","3","2","3","1","5","4","1") = "4"
    & skf21("3","3","2","3","1","5","5","1") = "4"
    & skf21("3","3","2","3","1","5","6","1") = "5"
    & skf21("3","3","2","3","1","5","7","1") = "6"
    & skf21("3","3","2","3","1","6","1","1") = "5"
    & skf21("3","3","2","3","1","6","2","1") = "5"
    & skf21("3","3","2","3","1","6","3","1") = "5"
    & skf21("3","3","2","3","1","6","4","1") = "5"
    & skf21("3","3","2","3","1","6","5","1") = "5"
    & skf21("3","3","2","3","1","6","6","1") = "5"
    & skf21("3","3","2","3","1","6","7","1") = "6"
    & skf21("3","3","2","3","1","7","1","1") = "6"
    & skf21("3","3","2","3","1","7","2","1") = "6"
    & skf21("3","3","2","3","1","7","3","1") = "6"
    & skf21("3","3","2","3","1","7","4","1") = "6"
    & skf21("3","3","2","3","1","7","5","1") = "6"
    & skf21("3","3","2","3","1","7","6","1") = "6"
    & skf21("3","3","2","3","1","7","7","1") = "6"
    & skf21("3","3","2","3","2","1","1","1") = "2"
    & skf21("3","3","2","3","2","1","2","1") = "2"
    & skf21("3","3","2","3","2","1","3","1") = "2"
    & skf21("3","3","2","3","2","1","4","1") = "3"
    & skf21("3","3","2","3","2","1","5","1") = "4"
    & skf21("3","3","2","3","2","1","6","1") = "5"
    & skf21("3","3","2","3","2","1","7","1") = "6"
    & skf21("3","3","2","3","2","2","1","1") = "2"
    & skf21("3","3","2","3","2","2","2","1") = "2"
    & skf21("3","3","2","3","2","2","3","1") = "2"
    & skf21("3","3","2","3","2","2","4","1") = "3"
    & skf21("3","3","2","3","2","2","5","1") = "4"
    & skf21("3","3","2","3","2","2","6","1") = "5"
    & skf21("3","3","2","3","2","2","7","1") = "6"
    & skf21("3","3","2","3","2","3","1","1") = "2"
    & skf21("3","3","2","3","2","3","2","1") = "2"
    & skf21("3","3","2","3","2","3","3","1") = "2"
    & skf21("3","3","2","3","2","3","4","1") = "3"
    & skf21("3","3","2","3","2","3","5","1") = "4"
    & skf21("3","3","2","3","2","3","6","1") = "5"
    & skf21("3","3","2","3","2","3","7","1") = "6"
    & skf21("3","3","2","3","2","4","1","1") = "3"
    & skf21("3","3","2","3","2","4","2","1") = "3"
    & skf21("3","3","2","3","2","4","3","1") = "3"
    & skf21("3","3","2","3","2","4","4","1") = "3"
    & skf21("3","3","2","3","2","4","5","1") = "4"
    & skf21("3","3","2","3","2","4","6","1") = "5"
    & skf21("3","3","2","3","2","4","7","1") = "6"
    & skf21("3","3","2","3","2","5","1","1") = "4"
    & skf21("3","3","2","3","2","5","2","1") = "4"
    & skf21("3","3","2","3","2","5","3","1") = "4"
    & skf21("3","3","2","3","2","5","4","1") = "4"
    & skf21("3","3","2","3","2","5","5","1") = "4"
    & skf21("3","3","2","3","2","5","6","1") = "5"
    & skf21("3","3","2","3","2","5","7","1") = "6"
    & skf21("3","3","2","3","2","6","1","1") = "5"
    & skf21("3","3","2","3","2","6","2","1") = "5"
    & skf21("3","3","2","3","2","6","3","1") = "5"
    & skf21("3","3","2","3","2","6","4","1") = "5"
    & skf21("3","3","2","3","2","6","5","1") = "5"
    & skf21("3","3","2","3","2","6","6","1") = "5"
    & skf21("3","3","2","3","2","6","7","1") = "6"
    & skf21("3","3","2","3","2","7","1","1") = "6"
    & skf21("3","3","2","3","2","7","2","1") = "6"
    & skf21("3","3","2","3","2","7","3","1") = "6"
    & skf21("3","3","2","3","2","7","4","1") = "6"
    & skf21("3","3","2","3","2","7","5","1") = "6"
    & skf21("3","3","2","3","2","7","6","1") = "6"
    & skf21("3","3","2","3","2","7","7","1") = "6"
    & skf21("3","3","2","3","3","1","1","1") = "2"
    & skf21("3","3","2","3","3","1","2","1") = "2"
    & skf21("3","3","2","3","3","1","3","1") = "2"
    & skf21("3","3","2","3","3","1","4","1") = "3"
    & skf21("3","3","2","3","3","1","5","1") = "4"
    & skf21("3","3","2","3","3","1","6","1") = "5"
    & skf21("3","3","2","3","3","1","7","1") = "6"
    & skf21("3","3","2","3","3","2","1","1") = "2"
    & skf21("3","3","2","3","3","2","2","1") = "2"
    & skf21("3","3","2","3","3","2","3","1") = "2"
    & skf21("3","3","2","3","3","2","4","1") = "3"
    & skf21("3","3","2","3","3","2","5","1") = "4"
    & skf21("3","3","2","3","3","2","6","1") = "5"
    & skf21("3","3","2","3","3","2","7","1") = "6"
    & skf21("3","3","2","3","3","3","1","1") = "2"
    & skf21("3","3","2","3","3","3","2","1") = "2"
    & skf21("3","3","2","3","3","3","3","1") = "2"
    & skf21("3","3","2","3","3","3","4","1") = "3"
    & skf21("3","3","2","3","3","3","5","1") = "4"
    & skf21("3","3","2","3","3","3","6","1") = "5"
    & skf21("3","3","2","3","3","3","7","1") = "6"
    & skf21("3","3","2","3","3","4","1","1") = "3"
    & skf21("3","3","2","3","3","4","2","1") = "3"
    & skf21("3","3","2","3","3","4","3","1") = "3"
    & skf21("3","3","2","3","3","4","4","1") = "3"
    & skf21("3","3","2","3","3","4","5","1") = "4"
    & skf21("3","3","2","3","3","4","6","1") = "5"
    & skf21("3","3","2","3","3","4","7","1") = "6"
    & skf21("3","3","2","3","3","5","1","1") = "4"
    & skf21("3","3","2","3","3","5","2","1") = "4"
    & skf21("3","3","2","3","3","5","3","1") = "4"
    & skf21("3","3","2","3","3","5","4","1") = "4"
    & skf21("3","3","2","3","3","5","5","1") = "4"
    & skf21("3","3","2","3","3","5","6","1") = "5"
    & skf21("3","3","2","3","3","5","7","1") = "6"
    & skf21("3","3","2","3","3","6","1","1") = "5"
    & skf21("3","3","2","3","3","6","2","1") = "5"
    & skf21("3","3","2","3","3","6","3","1") = "5"
    & skf21("3","3","2","3","3","6","4","1") = "5"
    & skf21("3","3","2","3","3","6","5","1") = "5"
    & skf21("3","3","2","3","3","6","6","1") = "5"
    & skf21("3","3","2","3","3","6","7","1") = "6"
    & skf21("3","3","2","3","3","7","1","1") = "6"
    & skf21("3","3","2","3","3","7","2","1") = "6"
    & skf21("3","3","2","3","3","7","3","1") = "6"
    & skf21("3","3","2","3","3","7","4","1") = "6"
    & skf21("3","3","2","3","3","7","5","1") = "6"
    & skf21("3","3","2","3","3","7","6","1") = "6"
    & skf21("3","3","2","3","3","7","7","1") = "6"
    & skf21("3","3","2","3","4","1","1","1") = "3"
    & skf21("3","3","2","3","4","1","2","1") = "3"
    & skf21("3","3","2","3","4","1","3","1") = "3"
    & skf21("3","3","2","3","4","1","4","1") = "3"
    & skf21("3","3","2","3","4","1","5","1") = "4"
    & skf21("3","3","2","3","4","1","6","1") = "5"
    & skf21("3","3","2","3","4","1","7","1") = "6"
    & skf21("3","3","2","3","4","2","1","1") = "3"
    & skf21("3","3","2","3","4","2","2","1") = "3"
    & skf21("3","3","2","3","4","2","3","1") = "3"
    & skf21("3","3","2","3","4","2","4","1") = "3"
    & skf21("3","3","2","3","4","2","5","1") = "4"
    & skf21("3","3","2","3","4","2","6","1") = "5"
    & skf21("3","3","2","3","4","2","7","1") = "6"
    & skf21("3","3","2","3","4","3","1","1") = "3"
    & skf21("3","3","2","3","4","3","2","1") = "3"
    & skf21("3","3","2","3","4","3","3","1") = "3"
    & skf21("3","3","2","3","4","3","4","1") = "3"
    & skf21("3","3","2","3","4","3","5","1") = "4"
    & skf21("3","3","2","3","4","3","6","1") = "5"
    & skf21("3","3","2","3","4","3","7","1") = "6"
    & skf21("3","3","2","3","4","4","1","1") = "3"
    & skf21("3","3","2","3","4","4","2","1") = "3"
    & skf21("3","3","2","3","4","4","3","1") = "3"
    & skf21("3","3","2","3","4","4","4","1") = "3"
    & skf21("3","3","2","3","4","4","5","1") = "4"
    & skf21("3","3","2","3","4","4","6","1") = "5"
    & skf21("3","3","2","3","4","4","7","1") = "6"
    & skf21("3","3","2","3","4","5","1","1") = "4"
    & skf21("3","3","2","3","4","5","2","1") = "4"
    & skf21("3","3","2","3","4","5","3","1") = "4"
    & skf21("3","3","2","3","4","5","4","1") = "4"
    & skf21("3","3","2","3","4","5","5","1") = "4"
    & skf21("3","3","2","3","4","5","6","1") = "5"
    & skf21("3","3","2","3","4","5","7","1") = "6"
    & skf21("3","3","2","3","4","6","1","1") = "5"
    & skf21("3","3","2","3","4","6","2","1") = "5"
    & skf21("3","3","2","3","4","6","3","1") = "5"
    & skf21("3","3","2","3","4","6","4","1") = "5"
    & skf21("3","3","2","3","4","6","5","1") = "5"
    & skf21("3","3","2","3","4","6","6","1") = "5"
    & skf21("3","3","2","3","4","6","7","1") = "6"
    & skf21("3","3","2","3","4","7","1","1") = "6"
    & skf21("3","3","2","3","4","7","2","1") = "6"
    & skf21("3","3","2","3","4","7","3","1") = "6"
    & skf21("3","3","2","3","4","7","4","1") = "6"
    & skf21("3","3","2","3","4","7","5","1") = "6"
    & skf21("3","3","2","3","4","7","6","1") = "6"
    & skf21("3","3","2","3","4","7","7","1") = "6"
    & skf21("3","3","2","3","5","1","1","1") = "4"
    & skf21("3","3","2","3","5","1","2","1") = "4"
    & skf21("3","3","2","3","5","1","3","1") = "4"
    & skf21("3","3","2","3","5","1","4","1") = "4"
    & skf21("3","3","2","3","5","1","5","1") = "4"
    & skf21("3","3","2","3","5","1","6","1") = "5"
    & skf21("3","3","2","3","5","1","7","1") = "6"
    & skf21("3","3","2","3","5","2","1","1") = "4"
    & skf21("3","3","2","3","5","2","2","1") = "4"
    & skf21("3","3","2","3","5","2","3","1") = "4"
    & skf21("3","3","2","3","5","2","4","1") = "4"
    & skf21("3","3","2","3","5","2","5","1") = "4"
    & skf21("3","3","2","3","5","2","6","1") = "5"
    & skf21("3","3","2","3","5","2","7","1") = "6"
    & skf21("3","3","2","3","5","3","1","1") = "4"
    & skf21("3","3","2","3","5","3","2","1") = "4"
    & skf21("3","3","2","3","5","3","3","1") = "4"
    & skf21("3","3","2","3","5","3","4","1") = "4"
    & skf21("3","3","2","3","5","3","5","1") = "4"
    & skf21("3","3","2","3","5","3","6","1") = "5"
    & skf21("3","3","2","3","5","3","7","1") = "6"
    & skf21("3","3","2","3","5","4","1","1") = "4"
    & skf21("3","3","2","3","5","4","2","1") = "4"
    & skf21("3","3","2","3","5","4","3","1") = "4"
    & skf21("3","3","2","3","5","4","4","1") = "4"
    & skf21("3","3","2","3","5","4","5","1") = "4"
    & skf21("3","3","2","3","5","4","6","1") = "5"
    & skf21("3","3","2","3","5","4","7","1") = "6"
    & skf21("3","3","2","3","5","5","1","1") = "4"
    & skf21("3","3","2","3","5","5","2","1") = "4"
    & skf21("3","3","2","3","5","5","3","1") = "4"
    & skf21("3","3","2","3","5","5","4","1") = "4"
    & skf21("3","3","2","3","5","5","5","1") = "4"
    & skf21("3","3","2","3","5","5","6","1") = "5"
    & skf21("3","3","2","3","5","5","7","1") = "6"
    & skf21("3","3","2","3","5","6","1","1") = "5"
    & skf21("3","3","2","3","5","6","2","1") = "5"
    & skf21("3","3","2","3","5","6","3","1") = "5"
    & skf21("3","3","2","3","5","6","4","1") = "5"
    & skf21("3","3","2","3","5","6","5","1") = "5"
    & skf21("3","3","2","3","5","6","6","1") = "5"
    & skf21("3","3","2","3","5","6","7","1") = "6"
    & skf21("3","3","2","3","5","7","1","1") = "6"
    & skf21("3","3","2","3","5","7","2","1") = "6"
    & skf21("3","3","2","3","5","7","3","1") = "6"
    & skf21("3","3","2","3","5","7","4","1") = "6"
    & skf21("3","3","2","3","5","7","5","1") = "6"
    & skf21("3","3","2","3","5","7","6","1") = "6"
    & skf21("3","3","2","3","5","7","7","1") = "6"
    & skf21("3","3","2","3","6","1","1","1") = "5"
    & skf21("3","3","2","3","6","1","2","1") = "5"
    & skf21("3","3","2","3","6","1","3","1") = "5"
    & skf21("3","3","2","3","6","1","4","1") = "5"
    & skf21("3","3","2","3","6","1","5","1") = "5"
    & skf21("3","3","2","3","6","1","6","1") = "5"
    & skf21("3","3","2","3","6","1","7","1") = "6"
    & skf21("3","3","2","3","6","2","1","1") = "5"
    & skf21("3","3","2","3","6","2","2","1") = "5"
    & skf21("3","3","2","3","6","2","3","1") = "5"
    & skf21("3","3","2","3","6","2","4","1") = "5"
    & skf21("3","3","2","3","6","2","5","1") = "5"
    & skf21("3","3","2","3","6","2","6","1") = "5"
    & skf21("3","3","2","3","6","2","7","1") = "6"
    & skf21("3","3","2","3","6","3","1","1") = "5"
    & skf21("3","3","2","3","6","3","2","1") = "5"
    & skf21("3","3","2","3","6","3","3","1") = "5"
    & skf21("3","3","2","3","6","3","4","1") = "5"
    & skf21("3","3","2","3","6","3","5","1") = "5"
    & skf21("3","3","2","3","6","3","6","1") = "5"
    & skf21("3","3","2","3","6","3","7","1") = "6"
    & skf21("3","3","2","3","6","4","1","1") = "5"
    & skf21("3","3","2","3","6","4","2","1") = "5"
    & skf21("3","3","2","3","6","4","3","1") = "5"
    & skf21("3","3","2","3","6","4","4","1") = "5"
    & skf21("3","3","2","3","6","4","5","1") = "5"
    & skf21("3","3","2","3","6","4","6","1") = "5"
    & skf21("3","3","2","3","6","4","7","1") = "6"
    & skf21("3","3","2","3","6","5","1","1") = "5"
    & skf21("3","3","2","3","6","5","2","1") = "5"
    & skf21("3","3","2","3","6","5","3","1") = "5"
    & skf21("3","3","2","3","6","5","4","1") = "5"
    & skf21("3","3","2","3","6","5","5","1") = "5"
    & skf21("3","3","2","3","6","5","6","1") = "5"
    & skf21("3","3","2","3","6","5","7","1") = "6"
    & skf21("3","3","2","3","6","6","1","1") = "5"
    & skf21("3","3","2","3","6","6","2","1") = "5"
    & skf21("3","3","2","3","6","6","3","1") = "5"
    & skf21("3","3","2","3","6","6","4","1") = "5"
    & skf21("3","3","2","3","6","6","5","1") = "5"
    & skf21("3","3","2","3","6","6","6","1") = "5"
    & skf21("3","3","2","3","6","6","7","1") = "6"
    & skf21("3","3","2","3","6","7","1","1") = "6"
    & skf21("3","3","2","3","6","7","2","1") = "6"
    & skf21("3","3","2","3","6","7","3","1") = "6"
    & skf21("3","3","2","3","6","7","4","1") = "6"
    & skf21("3","3","2","3","6","7","5","1") = "6"
    & skf21("3","3","2","3","6","7","6","1") = "6"
    & skf21("3","3","2","3","6","7","7","1") = "6"
    & skf21("3","3","2","3","7","1","1","1") = "6"
    & skf21("3","3","2","3","7","1","2","1") = "6"
    & skf21("3","3","2","3","7","1","3","1") = "6"
    & skf21("3","3","2","3","7","1","4","1") = "6"
    & skf21("3","3","2","3","7","1","5","1") = "6"
    & skf21("3","3","2","3","7","1","6","1") = "6"
    & skf21("3","3","2","3","7","1","7","1") = "6"
    & skf21("3","3","2","3","7","2","1","1") = "6"
    & skf21("3","3","2","3","7","2","2","1") = "6"
    & skf21("3","3","2","3","7","2","3","1") = "6"
    & skf21("3","3","2","3","7","2","4","1") = "6"
    & skf21("3","3","2","3","7","2","5","1") = "6"
    & skf21("3","3","2","3","7","2","6","1") = "6"
    & skf21("3","3","2","3","7","2","7","1") = "6"
    & skf21("3","3","2","3","7","3","1","1") = "6"
    & skf21("3","3","2","3","7","3","2","1") = "6"
    & skf21("3","3","2","3","7","3","3","1") = "6"
    & skf21("3","3","2","3","7","3","4","1") = "6"
    & skf21("3","3","2","3","7","3","5","1") = "6"
    & skf21("3","3","2","3","7","3","6","1") = "6"
    & skf21("3","3","2","3","7","3","7","1") = "6"
    & skf21("3","3","2","3","7","4","1","1") = "6"
    & skf21("3","3","2","3","7","4","2","1") = "6"
    & skf21("3","3","2","3","7","4","3","1") = "6"
    & skf21("3","3","2","3","7","4","4","1") = "6"
    & skf21("3","3","2","3","7","4","5","1") = "6"
    & skf21("3","3","2","3","7","4","6","1") = "6"
    & skf21("3","3","2","3","7","4","7","1") = "6"
    & skf21("3","3","2","3","7","5","1","1") = "6"
    & skf21("3","3","2","3","7","5","2","1") = "6"
    & skf21("3","3","2","3","7","5","3","1") = "6"
    & skf21("3","3","2","3","7","5","4","1") = "6"
    & skf21("3","3","2","3","7","5","5","1") = "6"
    & skf21("3","3","2","3","7","5","6","1") = "6"
    & skf21("3","3","2","3","7","5","7","1") = "6"
    & skf21("3","3","2","3","7","6","1","1") = "6"
    & skf21("3","3","2","3","7","6","2","1") = "6"
    & skf21("3","3","2","3","7","6","3","1") = "6"
    & skf21("3","3","2","3","7","6","4","1") = "6"
    & skf21("3","3","2","3","7","6","5","1") = "6"
    & skf21("3","3","2","3","7","6","6","1") = "6"
    & skf21("3","3","2","3","7","6","7","1") = "6"
    & skf21("3","3","2","3","7","7","1","1") = "6"
    & skf21("3","3","2","3","7","7","2","1") = "6"
    & skf21("3","3","2","3","7","7","3","1") = "6"
    & skf21("3","3","2","3","7","7","4","1") = "6"
    & skf21("3","3","2","3","7","7","5","1") = "6"
    & skf21("3","3","2","3","7","7","6","1") = "6"
    & skf21("3","3","2","3","7","7","7","1") = "6"
    & skf21("3","3","2","4","1","1","1","1") = "3"
    & skf21("3","3","2","4","1","1","2","1") = "3"
    & skf21("3","3","2","4","1","1","3","1") = "3"
    & skf21("3","3","2","4","1","1","4","1") = "3"
    & skf21("3","3","2","4","1","1","5","1") = "4"
    & skf21("3","3","2","4","1","1","6","1") = "5"
    & skf21("3","3","2","4","1","1","7","1") = "6"
    & skf21("3","3","2","4","1","2","1","1") = "3"
    & skf21("3","3","2","4","1","2","2","1") = "3"
    & skf21("3","3","2","4","1","2","3","1") = "3"
    & skf21("3","3","2","4","1","2","4","1") = "3"
    & skf21("3","3","2","4","1","2","5","1") = "4"
    & skf21("3","3","2","4","1","2","6","1") = "5"
    & skf21("3","3","2","4","1","2","7","1") = "6"
    & skf21("3","3","2","4","1","3","1","1") = "3"
    & skf21("3","3","2","4","1","3","2","1") = "3"
    & skf21("3","3","2","4","1","3","3","1") = "3"
    & skf21("3","3","2","4","1","3","4","1") = "3"
    & skf21("3","3","2","4","1","3","5","1") = "4"
    & skf21("3","3","2","4","1","3","6","1") = "5"
    & skf21("3","3","2","4","1","3","7","1") = "6"
    & skf21("3","3","2","4","1","4","1","1") = "3"
    & skf21("3","3","2","4","1","4","2","1") = "3"
    & skf21("3","3","2","4","1","4","3","1") = "3"
    & skf21("3","3","2","4","1","4","4","1") = "3"
    & skf21("3","3","2","4","1","4","5","1") = "4"
    & skf21("3","3","2","4","1","4","6","1") = "5"
    & skf21("3","3","2","4","1","4","7","1") = "6"
    & skf21("3","3","2","4","1","5","1","1") = "4"
    & skf21("3","3","2","4","1","5","2","1") = "4"
    & skf21("3","3","2","4","1","5","3","1") = "4"
    & skf21("3","3","2","4","1","5","4","1") = "4"
    & skf21("3","3","2","4","1","5","5","1") = "4"
    & skf21("3","3","2","4","1","5","6","1") = "5"
    & skf21("3","3","2","4","1","5","7","1") = "6"
    & skf21("3","3","2","4","1","6","1","1") = "5"
    & skf21("3","3","2","4","1","6","2","1") = "5"
    & skf21("3","3","2","4","1","6","3","1") = "5"
    & skf21("3","3","2","4","1","6","4","1") = "5"
    & skf21("3","3","2","4","1","6","5","1") = "5"
    & skf21("3","3","2","4","1","6","6","1") = "5"
    & skf21("3","3","2","4","1","6","7","1") = "6"
    & skf21("3","3","2","4","1","7","1","1") = "6"
    & skf21("3","3","2","4","1","7","2","1") = "6"
    & skf21("3","3","2","4","1","7","3","1") = "6"
    & skf21("3","3","2","4","1","7","4","1") = "6"
    & skf21("3","3","2","4","1","7","5","1") = "6"
    & skf21("3","3","2","4","1","7","6","1") = "6"
    & skf21("3","3","2","4","1","7","7","1") = "6"
    & skf21("3","3","2","4","2","1","1","1") = "3"
    & skf21("3","3","2","4","2","1","2","1") = "3"
    & skf21("3","3","2","4","2","1","3","1") = "3"
    & skf21("3","3","2","4","2","1","4","1") = "3"
    & skf21("3","3","2","4","2","1","5","1") = "4"
    & skf21("3","3","2","4","2","1","6","1") = "5"
    & skf21("3","3","2","4","2","1","7","1") = "6"
    & skf21("3","3","2","4","2","2","1","1") = "3"
    & skf21("3","3","2","4","2","2","2","1") = "3"
    & skf21("3","3","2","4","2","2","3","1") = "3"
    & skf21("3","3","2","4","2","2","4","1") = "3"
    & skf21("3","3","2","4","2","2","5","1") = "4"
    & skf21("3","3","2","4","2","2","6","1") = "5"
    & skf21("3","3","2","4","2","2","7","1") = "6"
    & skf21("3","3","2","4","2","3","1","1") = "3"
    & skf21("3","3","2","4","2","3","2","1") = "3"
    & skf21("3","3","2","4","2","3","3","1") = "3"
    & skf21("3","3","2","4","2","3","4","1") = "3"
    & skf21("3","3","2","4","2","3","5","1") = "4"
    & skf21("3","3","2","4","2","3","6","1") = "5"
    & skf21("3","3","2","4","2","3","7","1") = "6"
    & skf21("3","3","2","4","2","4","1","1") = "3"
    & skf21("3","3","2","4","2","4","2","1") = "3"
    & skf21("3","3","2","4","2","4","3","1") = "3"
    & skf21("3","3","2","4","2","4","4","1") = "3"
    & skf21("3","3","2","4","2","4","5","1") = "4"
    & skf21("3","3","2","4","2","4","6","1") = "5"
    & skf21("3","3","2","4","2","4","7","1") = "6"
    & skf21("3","3","2","4","2","5","1","1") = "4"
    & skf21("3","3","2","4","2","5","2","1") = "4"
    & skf21("3","3","2","4","2","5","3","1") = "4"
    & skf21("3","3","2","4","2","5","4","1") = "4"
    & skf21("3","3","2","4","2","5","5","1") = "4"
    & skf21("3","3","2","4","2","5","6","1") = "5"
    & skf21("3","3","2","4","2","5","7","1") = "6"
    & skf21("3","3","2","4","2","6","1","1") = "5"
    & skf21("3","3","2","4","2","6","2","1") = "5"
    & skf21("3","3","2","4","2","6","3","1") = "5"
    & skf21("3","3","2","4","2","6","4","1") = "5"
    & skf21("3","3","2","4","2","6","5","1") = "5"
    & skf21("3","3","2","4","2","6","6","1") = "5"
    & skf21("3","3","2","4","2","6","7","1") = "6"
    & skf21("3","3","2","4","2","7","1","1") = "6"
    & skf21("3","3","2","4","2","7","2","1") = "6"
    & skf21("3","3","2","4","2","7","3","1") = "6"
    & skf21("3","3","2","4","2","7","4","1") = "6"
    & skf21("3","3","2","4","2","7","5","1") = "6"
    & skf21("3","3","2","4","2","7","6","1") = "6"
    & skf21("3","3","2","4","2","7","7","1") = "6"
    & skf21("3","3","2","4","3","1","1","1") = "3"
    & skf21("3","3","2","4","3","1","2","1") = "3"
    & skf21("3","3","2","4","3","1","3","1") = "3"
    & skf21("3","3","2","4","3","1","4","1") = "3"
    & skf21("3","3","2","4","3","1","5","1") = "4"
    & skf21("3","3","2","4","3","1","6","1") = "5"
    & skf21("3","3","2","4","3","1","7","1") = "6"
    & skf21("3","3","2","4","3","2","1","1") = "3"
    & skf21("3","3","2","4","3","2","2","1") = "3"
    & skf21("3","3","2","4","3","2","3","1") = "3"
    & skf21("3","3","2","4","3","2","4","1") = "3"
    & skf21("3","3","2","4","3","2","5","1") = "4"
    & skf21("3","3","2","4","3","2","6","1") = "5"
    & skf21("3","3","2","4","3","2","7","1") = "6"
    & skf21("3","3","2","4","3","3","1","1") = "3"
    & skf21("3","3","2","4","3","3","2","1") = "3"
    & skf21("3","3","2","4","3","3","3","1") = "3"
    & skf21("3","3","2","4","3","3","4","1") = "3"
    & skf21("3","3","2","4","3","3","5","1") = "4"
    & skf21("3","3","2","4","3","3","6","1") = "5"
    & skf21("3","3","2","4","3","3","7","1") = "6"
    & skf21("3","3","2","4","3","4","1","1") = "3"
    & skf21("3","3","2","4","3","4","2","1") = "3"
    & skf21("3","3","2","4","3","4","3","1") = "3"
    & skf21("3","3","2","4","3","4","4","1") = "3"
    & skf21("3","3","2","4","3","4","5","1") = "4"
    & skf21("3","3","2","4","3","4","6","1") = "5"
    & skf21("3","3","2","4","3","4","7","1") = "6"
    & skf21("3","3","2","4","3","5","1","1") = "4"
    & skf21("3","3","2","4","3","5","2","1") = "4"
    & skf21("3","3","2","4","3","5","3","1") = "4"
    & skf21("3","3","2","4","3","5","4","1") = "4"
    & skf21("3","3","2","4","3","5","5","1") = "4"
    & skf21("3","3","2","4","3","5","6","1") = "5"
    & skf21("3","3","2","4","3","5","7","1") = "6"
    & skf21("3","3","2","4","3","6","1","1") = "5"
    & skf21("3","3","2","4","3","6","2","1") = "5"
    & skf21("3","3","2","4","3","6","3","1") = "5"
    & skf21("3","3","2","4","3","6","4","1") = "5"
    & skf21("3","3","2","4","3","6","5","1") = "5"
    & skf21("3","3","2","4","3","6","6","1") = "5"
    & skf21("3","3","2","4","3","6","7","1") = "6"
    & skf21("3","3","2","4","3","7","1","1") = "6"
    & skf21("3","3","2","4","3","7","2","1") = "6"
    & skf21("3","3","2","4","3","7","3","1") = "6"
    & skf21("3","3","2","4","3","7","4","1") = "6"
    & skf21("3","3","2","4","3","7","5","1") = "6"
    & skf21("3","3","2","4","3","7","6","1") = "6"
    & skf21("3","3","2","4","3","7","7","1") = "6"
    & skf21("3","3","2","4","4","1","1","1") = "3"
    & skf21("3","3","2","4","4","1","2","1") = "3"
    & skf21("3","3","2","4","4","1","3","1") = "3"
    & skf21("3","3","2","4","4","1","4","1") = "3"
    & skf21("3","3","2","4","4","1","5","1") = "4"
    & skf21("3","3","2","4","4","1","6","1") = "5"
    & skf21("3","3","2","4","4","1","7","1") = "6"
    & skf21("3","3","2","4","4","2","1","1") = "3"
    & skf21("3","3","2","4","4","2","2","1") = "3"
    & skf21("3","3","2","4","4","2","3","1") = "3"
    & skf21("3","3","2","4","4","2","4","1") = "3"
    & skf21("3","3","2","4","4","2","5","1") = "4"
    & skf21("3","3","2","4","4","2","6","1") = "5"
    & skf21("3","3","2","4","4","2","7","1") = "6"
    & skf21("3","3","2","4","4","3","1","1") = "3"
    & skf21("3","3","2","4","4","3","2","1") = "3"
    & skf21("3","3","2","4","4","3","3","1") = "3"
    & skf21("3","3","2","4","4","3","4","1") = "3"
    & skf21("3","3","2","4","4","3","5","1") = "4"
    & skf21("3","3","2","4","4","3","6","1") = "5"
    & skf21("3","3","2","4","4","3","7","1") = "6"
    & skf21("3","3","2","4","4","4","1","1") = "3"
    & skf21("3","3","2","4","4","4","2","1") = "3"
    & skf21("3","3","2","4","4","4","3","1") = "3"
    & skf21("3","3","2","4","4","4","4","1") = "3"
    & skf21("3","3","2","4","4","4","5","1") = "4"
    & skf21("3","3","2","4","4","4","6","1") = "5"
    & skf21("3","3","2","4","4","4","7","1") = "6"
    & skf21("3","3","2","4","4","5","1","1") = "4"
    & skf21("3","3","2","4","4","5","2","1") = "4"
    & skf21("3","3","2","4","4","5","3","1") = "4"
    & skf21("3","3","2","4","4","5","4","1") = "4"
    & skf21("3","3","2","4","4","5","5","1") = "4"
    & skf21("3","3","2","4","4","5","6","1") = "5"
    & skf21("3","3","2","4","4","5","7","1") = "6"
    & skf21("3","3","2","4","4","6","1","1") = "5"
    & skf21("3","3","2","4","4","6","2","1") = "5"
    & skf21("3","3","2","4","4","6","3","1") = "5"
    & skf21("3","3","2","4","4","6","4","1") = "5"
    & skf21("3","3","2","4","4","6","5","1") = "5"
    & skf21("3","3","2","4","4","6","6","1") = "5"
    & skf21("3","3","2","4","4","6","7","1") = "6"
    & skf21("3","3","2","4","4","7","1","1") = "6"
    & skf21("3","3","2","4","4","7","2","1") = "6"
    & skf21("3","3","2","4","4","7","3","1") = "6"
    & skf21("3","3","2","4","4","7","4","1") = "6"
    & skf21("3","3","2","4","4","7","5","1") = "6"
    & skf21("3","3","2","4","4","7","6","1") = "6"
    & skf21("3","3","2","4","4","7","7","1") = "6"
    & skf21("3","3","2","4","5","1","1","1") = "4"
    & skf21("3","3","2","4","5","1","2","1") = "4"
    & skf21("3","3","2","4","5","1","3","1") = "4"
    & skf21("3","3","2","4","5","1","4","1") = "4"
    & skf21("3","3","2","4","5","1","5","1") = "4"
    & skf21("3","3","2","4","5","1","6","1") = "5"
    & skf21("3","3","2","4","5","1","7","1") = "6"
    & skf21("3","3","2","4","5","2","1","1") = "4"
    & skf21("3","3","2","4","5","2","2","1") = "4"
    & skf21("3","3","2","4","5","2","3","1") = "4"
    & skf21("3","3","2","4","5","2","4","1") = "4"
    & skf21("3","3","2","4","5","2","5","1") = "4"
    & skf21("3","3","2","4","5","2","6","1") = "5"
    & skf21("3","3","2","4","5","2","7","1") = "6"
    & skf21("3","3","2","4","5","3","1","1") = "4"
    & skf21("3","3","2","4","5","3","2","1") = "4"
    & skf21("3","3","2","4","5","3","3","1") = "4"
    & skf21("3","3","2","4","5","3","4","1") = "4"
    & skf21("3","3","2","4","5","3","5","1") = "4"
    & skf21("3","3","2","4","5","3","6","1") = "5"
    & skf21("3","3","2","4","5","3","7","1") = "6"
    & skf21("3","3","2","4","5","4","1","1") = "4"
    & skf21("3","3","2","4","5","4","2","1") = "4"
    & skf21("3","3","2","4","5","4","3","1") = "4"
    & skf21("3","3","2","4","5","4","4","1") = "4"
    & skf21("3","3","2","4","5","4","5","1") = "4"
    & skf21("3","3","2","4","5","4","6","1") = "5"
    & skf21("3","3","2","4","5","4","7","1") = "6"
    & skf21("3","3","2","4","5","5","1","1") = "4"
    & skf21("3","3","2","4","5","5","2","1") = "4"
    & skf21("3","3","2","4","5","5","3","1") = "4"
    & skf21("3","3","2","4","5","5","4","1") = "4"
    & skf21("3","3","2","4","5","5","5","1") = "4"
    & skf21("3","3","2","4","5","5","6","1") = "5"
    & skf21("3","3","2","4","5","5","7","1") = "6"
    & skf21("3","3","2","4","5","6","1","1") = "5"
    & skf21("3","3","2","4","5","6","2","1") = "5"
    & skf21("3","3","2","4","5","6","3","1") = "5"
    & skf21("3","3","2","4","5","6","4","1") = "5"
    & skf21("3","3","2","4","5","6","5","1") = "5"
    & skf21("3","3","2","4","5","6","6","1") = "5"
    & skf21("3","3","2","4","5","6","7","1") = "6"
    & skf21("3","3","2","4","5","7","1","1") = "6"
    & skf21("3","3","2","4","5","7","2","1") = "6"
    & skf21("3","3","2","4","5","7","3","1") = "6"
    & skf21("3","3","2","4","5","7","4","1") = "6"
    & skf21("3","3","2","4","5","7","5","1") = "6"
    & skf21("3","3","2","4","5","7","6","1") = "6"
    & skf21("3","3","2","4","5","7","7","1") = "6"
    & skf21("3","3","2","4","6","1","1","1") = "5"
    & skf21("3","3","2","4","6","1","2","1") = "5"
    & skf21("3","3","2","4","6","1","3","1") = "5"
    & skf21("3","3","2","4","6","1","4","1") = "5"
    & skf21("3","3","2","4","6","1","5","1") = "5"
    & skf21("3","3","2","4","6","1","6","1") = "5"
    & skf21("3","3","2","4","6","1","7","1") = "6"
    & skf21("3","3","2","4","6","2","1","1") = "5"
    & skf21("3","3","2","4","6","2","2","1") = "5"
    & skf21("3","3","2","4","6","2","3","1") = "5"
    & skf21("3","3","2","4","6","2","4","1") = "5"
    & skf21("3","3","2","4","6","2","5","1") = "5"
    & skf21("3","3","2","4","6","2","6","1") = "5"
    & skf21("3","3","2","4","6","2","7","1") = "6"
    & skf21("3","3","2","4","6","3","1","1") = "5"
    & skf21("3","3","2","4","6","3","2","1") = "5"
    & skf21("3","3","2","4","6","3","3","1") = "5"
    & skf21("3","3","2","4","6","3","4","1") = "5"
    & skf21("3","3","2","4","6","3","5","1") = "5"
    & skf21("3","3","2","4","6","3","6","1") = "5"
    & skf21("3","3","2","4","6","3","7","1") = "6"
    & skf21("3","3","2","4","6","4","1","1") = "5"
    & skf21("3","3","2","4","6","4","2","1") = "5"
    & skf21("3","3","2","4","6","4","3","1") = "5"
    & skf21("3","3","2","4","6","4","4","1") = "5"
    & skf21("3","3","2","4","6","4","5","1") = "5"
    & skf21("3","3","2","4","6","4","6","1") = "5"
    & skf21("3","3","2","4","6","4","7","1") = "6"
    & skf21("3","3","2","4","6","5","1","1") = "5"
    & skf21("3","3","2","4","6","5","2","1") = "5"
    & skf21("3","3","2","4","6","5","3","1") = "5"
    & skf21("3","3","2","4","6","5","4","1") = "5"
    & skf21("3","3","2","4","6","5","5","1") = "5"
    & skf21("3","3","2","4","6","5","6","1") = "5"
    & skf21("3","3","2","4","6","5","7","1") = "6"
    & skf21("3","3","2","4","6","6","1","1") = "5"
    & skf21("3","3","2","4","6","6","2","1") = "5"
    & skf21("3","3","2","4","6","6","3","1") = "5"
    & skf21("3","3","2","4","6","6","4","1") = "5"
    & skf21("3","3","2","4","6","6","5","1") = "5"
    & skf21("3","3","2","4","6","6","6","1") = "5"
    & skf21("3","3","2","4","6","6","7","1") = "6"
    & skf21("3","3","2","4","6","7","1","1") = "6"
    & skf21("3","3","2","4","6","7","2","1") = "6"
    & skf21("3","3","2","4","6","7","3","1") = "6"
    & skf21("3","3","2","4","6","7","4","1") = "6"
    & skf21("3","3","2","4","6","7","5","1") = "6"
    & skf21("3","3","2","4","6","7","6","1") = "6"
    & skf21("3","3","2","4","6","7","7","1") = "6"
    & skf21("3","3","2","4","7","1","1","1") = "6"
    & skf21("3","3","2","4","7","1","2","1") = "6"
    & skf21("3","3","2","4","7","1","3","1") = "6"
    & skf21("3","3","2","4","7","1","4","1") = "6"
    & skf21("3","3","2","4","7","1","5","1") = "6"
    & skf21("3","3","2","4","7","1","6","1") = "6"
    & skf21("3","3","2","4","7","1","7","1") = "6"
    & skf21("3","3","2","4","7","2","1","1") = "6"
    & skf21("3","3","2","4","7","2","2","1") = "6"
    & skf21("3","3","2","4","7","2","3","1") = "6"
    & skf21("3","3","2","4","7","2","4","1") = "6"
    & skf21("3","3","2","4","7","2","5","1") = "6"
    & skf21("3","3","2","4","7","2","6","1") = "6"
    & skf21("3","3","2","4","7","2","7","1") = "6"
    & skf21("3","3","2","4","7","3","1","1") = "6"
    & skf21("3","3","2","4","7","3","2","1") = "6"
    & skf21("3","3","2","4","7","3","3","1") = "6"
    & skf21("3","3","2","4","7","3","4","1") = "6"
    & skf21("3","3","2","4","7","3","5","1") = "6"
    & skf21("3","3","2","4","7","3","6","1") = "6"
    & skf21("3","3","2","4","7","3","7","1") = "6"
    & skf21("3","3","2","4","7","4","1","1") = "6"
    & skf21("3","3","2","4","7","4","2","1") = "6"
    & skf21("3","3","2","4","7","4","3","1") = "6"
    & skf21("3","3","2","4","7","4","4","1") = "6"
    & skf21("3","3","2","4","7","4","5","1") = "6"
    & skf21("3","3","2","4","7","4","6","1") = "6"
    & skf21("3","3","2","4","7","4","7","1") = "6"
    & skf21("3","3","2","4","7","5","1","1") = "6"
    & skf21("3","3","2","4","7","5","2","1") = "6"
    & skf21("3","3","2","4","7","5","3","1") = "6"
    & skf21("3","3","2","4","7","5","4","1") = "6"
    & skf21("3","3","2","4","7","5","5","1") = "6"
    & skf21("3","3","2","4","7","5","6","1") = "6"
    & skf21("3","3","2","4","7","5","7","1") = "6"
    & skf21("3","3","2","4","7","6","1","1") = "6"
    & skf21("3","3","2","4","7","6","2","1") = "6"
    & skf21("3","3","2","4","7","6","3","1") = "6"
    & skf21("3","3","2","4","7","6","4","1") = "6"
    & skf21("3","3","2","4","7","6","5","1") = "6"
    & skf21("3","3","2","4","7","6","6","1") = "6"
    & skf21("3","3","2","4","7","6","7","1") = "6"
    & skf21("3","3","2","4","7","7","1","1") = "6"
    & skf21("3","3","2","4","7","7","2","1") = "6"
    & skf21("3","3","2","4","7","7","3","1") = "6"
    & skf21("3","3","2","4","7","7","4","1") = "6"
    & skf21("3","3","2","4","7","7","5","1") = "6"
    & skf21("3","3","2","4","7","7","6","1") = "6"
    & skf21("3","3","2","4","7","7","7","1") = "6"
    & skf21("3","3","2","5","1","1","1","1") = "4"
    & skf21("3","3","2","5","1","1","2","1") = "4"
    & skf21("3","3","2","5","1","1","3","1") = "4"
    & skf21("3","3","2","5","1","1","4","1") = "4"
    & skf21("3","3","2","5","1","1","5","1") = "4"
    & skf21("3","3","2","5","1","1","6","1") = "5"
    & skf21("3","3","2","5","1","1","7","1") = "6"
    & skf21("3","3","2","5","1","2","1","1") = "4"
    & skf21("3","3","2","5","1","2","2","1") = "4"
    & skf21("3","3","2","5","1","2","3","1") = "4"
    & skf21("3","3","2","5","1","2","4","1") = "4"
    & skf21("3","3","2","5","1","2","5","1") = "4"
    & skf21("3","3","2","5","1","2","6","1") = "5"
    & skf21("3","3","2","5","1","2","7","1") = "6"
    & skf21("3","3","2","5","1","3","1","1") = "4"
    & skf21("3","3","2","5","1","3","2","1") = "4"
    & skf21("3","3","2","5","1","3","3","1") = "4"
    & skf21("3","3","2","5","1","3","4","1") = "4"
    & skf21("3","3","2","5","1","3","5","1") = "4"
    & skf21("3","3","2","5","1","3","6","1") = "5"
    & skf21("3","3","2","5","1","3","7","1") = "6"
    & skf21("3","3","2","5","1","4","1","1") = "4"
    & skf21("3","3","2","5","1","4","2","1") = "4"
    & skf21("3","3","2","5","1","4","3","1") = "4"
    & skf21("3","3","2","5","1","4","4","1") = "4"
    & skf21("3","3","2","5","1","4","5","1") = "4"
    & skf21("3","3","2","5","1","4","6","1") = "5"
    & skf21("3","3","2","5","1","4","7","1") = "6"
    & skf21("3","3","2","5","1","5","1","1") = "4"
    & skf21("3","3","2","5","1","5","2","1") = "4"
    & skf21("3","3","2","5","1","5","3","1") = "4"
    & skf21("3","3","2","5","1","5","4","1") = "4"
    & skf21("3","3","2","5","1","5","5","1") = "4"
    & skf21("3","3","2","5","1","5","6","1") = "5"
    & skf21("3","3","2","5","1","5","7","1") = "6"
    & skf21("3","3","2","5","1","6","1","1") = "5"
    & skf21("3","3","2","5","1","6","2","1") = "5"
    & skf21("3","3","2","5","1","6","3","1") = "5"
    & skf21("3","3","2","5","1","6","4","1") = "5"
    & skf21("3","3","2","5","1","6","5","1") = "5"
    & skf21("3","3","2","5","1","6","6","1") = "5"
    & skf21("3","3","2","5","1","6","7","1") = "6"
    & skf21("3","3","2","5","1","7","1","1") = "6"
    & skf21("3","3","2","5","1","7","2","1") = "6"
    & skf21("3","3","2","5","1","7","3","1") = "6"
    & skf21("3","3","2","5","1","7","4","1") = "6"
    & skf21("3","3","2","5","1","7","5","1") = "6"
    & skf21("3","3","2","5","1","7","6","1") = "6"
    & skf21("3","3","2","5","1","7","7","1") = "6"
    & skf21("3","3","2","5","2","1","1","1") = "4"
    & skf21("3","3","2","5","2","1","2","1") = "4"
    & skf21("3","3","2","5","2","1","3","1") = "4"
    & skf21("3","3","2","5","2","1","4","1") = "4"
    & skf21("3","3","2","5","2","1","5","1") = "4"
    & skf21("3","3","2","5","2","1","6","1") = "5"
    & skf21("3","3","2","5","2","1","7","1") = "6"
    & skf21("3","3","2","5","2","2","1","1") = "4"
    & skf21("3","3","2","5","2","2","2","1") = "4"
    & skf21("3","3","2","5","2","2","3","1") = "4"
    & skf21("3","3","2","5","2","2","4","1") = "4"
    & skf21("3","3","2","5","2","2","5","1") = "4"
    & skf21("3","3","2","5","2","2","6","1") = "5"
    & skf21("3","3","2","5","2","2","7","1") = "6"
    & skf21("3","3","2","5","2","3","1","1") = "4"
    & skf21("3","3","2","5","2","3","2","1") = "4"
    & skf21("3","3","2","5","2","3","3","1") = "4"
    & skf21("3","3","2","5","2","3","4","1") = "4"
    & skf21("3","3","2","5","2","3","5","1") = "4"
    & skf21("3","3","2","5","2","3","6","1") = "5"
    & skf21("3","3","2","5","2","3","7","1") = "6"
    & skf21("3","3","2","5","2","4","1","1") = "4"
    & skf21("3","3","2","5","2","4","2","1") = "4"
    & skf21("3","3","2","5","2","4","3","1") = "4"
    & skf21("3","3","2","5","2","4","4","1") = "4"
    & skf21("3","3","2","5","2","4","5","1") = "4"
    & skf21("3","3","2","5","2","4","6","1") = "5"
    & skf21("3","3","2","5","2","4","7","1") = "6"
    & skf21("3","3","2","5","2","5","1","1") = "4"
    & skf21("3","3","2","5","2","5","2","1") = "4"
    & skf21("3","3","2","5","2","5","3","1") = "4"
    & skf21("3","3","2","5","2","5","4","1") = "4"
    & skf21("3","3","2","5","2","5","5","1") = "4"
    & skf21("3","3","2","5","2","5","6","1") = "5"
    & skf21("3","3","2","5","2","5","7","1") = "6"
    & skf21("3","3","2","5","2","6","1","1") = "5"
    & skf21("3","3","2","5","2","6","2","1") = "5"
    & skf21("3","3","2","5","2","6","3","1") = "5"
    & skf21("3","3","2","5","2","6","4","1") = "5"
    & skf21("3","3","2","5","2","6","5","1") = "5"
    & skf21("3","3","2","5","2","6","6","1") = "5"
    & skf21("3","3","2","5","2","6","7","1") = "6"
    & skf21("3","3","2","5","2","7","1","1") = "6"
    & skf21("3","3","2","5","2","7","2","1") = "6"
    & skf21("3","3","2","5","2","7","3","1") = "6"
    & skf21("3","3","2","5","2","7","4","1") = "6"
    & skf21("3","3","2","5","2","7","5","1") = "6"
    & skf21("3","3","2","5","2","7","6","1") = "6"
    & skf21("3","3","2","5","2","7","7","1") = "6"
    & skf21("3","3","2","5","3","1","1","1") = "4"
    & skf21("3","3","2","5","3","1","2","1") = "4"
    & skf21("3","3","2","5","3","1","3","1") = "4"
    & skf21("3","3","2","5","3","1","4","1") = "4"
    & skf21("3","3","2","5","3","1","5","1") = "4"
    & skf21("3","3","2","5","3","1","6","1") = "5"
    & skf21("3","3","2","5","3","1","7","1") = "6"
    & skf21("3","3","2","5","3","2","1","1") = "4"
    & skf21("3","3","2","5","3","2","2","1") = "4"
    & skf21("3","3","2","5","3","2","3","1") = "4"
    & skf21("3","3","2","5","3","2","4","1") = "4"
    & skf21("3","3","2","5","3","2","5","1") = "4"
    & skf21("3","3","2","5","3","2","6","1") = "5"
    & skf21("3","3","2","5","3","2","7","1") = "6"
    & skf21("3","3","2","5","3","3","1","1") = "4"
    & skf21("3","3","2","5","3","3","2","1") = "4"
    & skf21("3","3","2","5","3","3","3","1") = "4"
    & skf21("3","3","2","5","3","3","4","1") = "4"
    & skf21("3","3","2","5","3","3","5","1") = "4"
    & skf21("3","3","2","5","3","3","6","1") = "5"
    & skf21("3","3","2","5","3","3","7","1") = "6"
    & skf21("3","3","2","5","3","4","1","1") = "4"
    & skf21("3","3","2","5","3","4","2","1") = "4"
    & skf21("3","3","2","5","3","4","3","1") = "4"
    & skf21("3","3","2","5","3","4","4","1") = "4"
    & skf21("3","3","2","5","3","4","5","1") = "4"
    & skf21("3","3","2","5","3","4","6","1") = "5"
    & skf21("3","3","2","5","3","4","7","1") = "6"
    & skf21("3","3","2","5","3","5","1","1") = "4"
    & skf21("3","3","2","5","3","5","2","1") = "4"
    & skf21("3","3","2","5","3","5","3","1") = "4"
    & skf21("3","3","2","5","3","5","4","1") = "4"
    & skf21("3","3","2","5","3","5","5","1") = "4"
    & skf21("3","3","2","5","3","5","6","1") = "5"
    & skf21("3","3","2","5","3","5","7","1") = "6"
    & skf21("3","3","2","5","3","6","1","1") = "5"
    & skf21("3","3","2","5","3","6","2","1") = "5"
    & skf21("3","3","2","5","3","6","3","1") = "5"
    & skf21("3","3","2","5","3","6","4","1") = "5"
    & skf21("3","3","2","5","3","6","5","1") = "5"
    & skf21("3","3","2","5","3","6","6","1") = "5"
    & skf21("3","3","2","5","3","6","7","1") = "6"
    & skf21("3","3","2","5","3","7","1","1") = "6"
    & skf21("3","3","2","5","3","7","2","1") = "6"
    & skf21("3","3","2","5","3","7","3","1") = "6"
    & skf21("3","3","2","5","3","7","4","1") = "6"
    & skf21("3","3","2","5","3","7","5","1") = "6"
    & skf21("3","3","2","5","3","7","6","1") = "6"
    & skf21("3","3","2","5","3","7","7","1") = "6"
    & skf21("3","3","2","5","4","1","1","1") = "4"
    & skf21("3","3","2","5","4","1","2","1") = "4"
    & skf21("3","3","2","5","4","1","3","1") = "4"
    & skf21("3","3","2","5","4","1","4","1") = "4"
    & skf21("3","3","2","5","4","1","5","1") = "4"
    & skf21("3","3","2","5","4","1","6","1") = "5"
    & skf21("3","3","2","5","4","1","7","1") = "6"
    & skf21("3","3","2","5","4","2","1","1") = "4"
    & skf21("3","3","2","5","4","2","2","1") = "4"
    & skf21("3","3","2","5","4","2","3","1") = "4"
    & skf21("3","3","2","5","4","2","4","1") = "4"
    & skf21("3","3","2","5","4","2","5","1") = "4"
    & skf21("3","3","2","5","4","2","6","1") = "5"
    & skf21("3","3","2","5","4","2","7","1") = "6"
    & skf21("3","3","2","5","4","3","1","1") = "4"
    & skf21("3","3","2","5","4","3","2","1") = "4"
    & skf21("3","3","2","5","4","3","3","1") = "4"
    & skf21("3","3","2","5","4","3","4","1") = "4"
    & skf21("3","3","2","5","4","3","5","1") = "4"
    & skf21("3","3","2","5","4","3","6","1") = "5"
    & skf21("3","3","2","5","4","3","7","1") = "6"
    & skf21("3","3","2","5","4","4","1","1") = "4"
    & skf21("3","3","2","5","4","4","2","1") = "4"
    & skf21("3","3","2","5","4","4","3","1") = "4"
    & skf21("3","3","2","5","4","4","4","1") = "4"
    & skf21("3","3","2","5","4","4","5","1") = "4"
    & skf21("3","3","2","5","4","4","6","1") = "5"
    & skf21("3","3","2","5","4","4","7","1") = "6"
    & skf21("3","3","2","5","4","5","1","1") = "4"
    & skf21("3","3","2","5","4","5","2","1") = "4"
    & skf21("3","3","2","5","4","5","3","1") = "4"
    & skf21("3","3","2","5","4","5","4","1") = "4"
    & skf21("3","3","2","5","4","5","5","1") = "4"
    & skf21("3","3","2","5","4","5","6","1") = "5"
    & skf21("3","3","2","5","4","5","7","1") = "6"
    & skf21("3","3","2","5","4","6","1","1") = "5"
    & skf21("3","3","2","5","4","6","2","1") = "5"
    & skf21("3","3","2","5","4","6","3","1") = "5"
    & skf21("3","3","2","5","4","6","4","1") = "5"
    & skf21("3","3","2","5","4","6","5","1") = "5"
    & skf21("3","3","2","5","4","6","6","1") = "5"
    & skf21("3","3","2","5","4","6","7","1") = "6"
    & skf21("3","3","2","5","4","7","1","1") = "6"
    & skf21("3","3","2","5","4","7","2","1") = "6"
    & skf21("3","3","2","5","4","7","3","1") = "6"
    & skf21("3","3","2","5","4","7","4","1") = "6"
    & skf21("3","3","2","5","4","7","5","1") = "6"
    & skf21("3","3","2","5","4","7","6","1") = "6"
    & skf21("3","3","2","5","4","7","7","1") = "6"
    & skf21("3","3","2","5","5","1","1","1") = "4"
    & skf21("3","3","2","5","5","1","2","1") = "4"
    & skf21("3","3","2","5","5","1","3","1") = "4"
    & skf21("3","3","2","5","5","1","4","1") = "4"
    & skf21("3","3","2","5","5","1","5","1") = "4"
    & skf21("3","3","2","5","5","1","6","1") = "5"
    & skf21("3","3","2","5","5","1","7","1") = "6"
    & skf21("3","3","2","5","5","2","1","1") = "4"
    & skf21("3","3","2","5","5","2","2","1") = "4"
    & skf21("3","3","2","5","5","2","3","1") = "4"
    & skf21("3","3","2","5","5","2","4","1") = "4"
    & skf21("3","3","2","5","5","2","5","1") = "4"
    & skf21("3","3","2","5","5","2","6","1") = "5"
    & skf21("3","3","2","5","5","2","7","1") = "6"
    & skf21("3","3","2","5","5","3","1","1") = "4"
    & skf21("3","3","2","5","5","3","2","1") = "4"
    & skf21("3","3","2","5","5","3","3","1") = "4"
    & skf21("3","3","2","5","5","3","4","1") = "4"
    & skf21("3","3","2","5","5","3","5","1") = "4"
    & skf21("3","3","2","5","5","3","6","1") = "5"
    & skf21("3","3","2","5","5","3","7","1") = "6"
    & skf21("3","3","2","5","5","4","1","1") = "4"
    & skf21("3","3","2","5","5","4","2","1") = "4"
    & skf21("3","3","2","5","5","4","3","1") = "4"
    & skf21("3","3","2","5","5","4","4","1") = "4"
    & skf21("3","3","2","5","5","4","5","1") = "4"
    & skf21("3","3","2","5","5","4","6","1") = "5"
    & skf21("3","3","2","5","5","4","7","1") = "6"
    & skf21("3","3","2","5","5","5","1","1") = "4"
    & skf21("3","3","2","5","5","5","2","1") = "4"
    & skf21("3","3","2","5","5","5","3","1") = "4"
    & skf21("3","3","2","5","5","5","4","1") = "4"
    & skf21("3","3","2","5","5","5","5","1") = "4"
    & skf21("3","3","2","5","5","5","6","1") = "5"
    & skf21("3","3","2","5","5","5","7","1") = "6"
    & skf21("3","3","2","5","5","6","1","1") = "5"
    & skf21("3","3","2","5","5","6","2","1") = "5"
    & skf21("3","3","2","5","5","6","3","1") = "5"
    & skf21("3","3","2","5","5","6","4","1") = "5"
    & skf21("3","3","2","5","5","6","5","1") = "5"
    & skf21("3","3","2","5","5","6","6","1") = "5"
    & skf21("3","3","2","5","5","6","7","1") = "6"
    & skf21("3","3","2","5","5","7","1","1") = "6"
    & skf21("3","3","2","5","5","7","2","1") = "6"
    & skf21("3","3","2","5","5","7","3","1") = "6"
    & skf21("3","3","2","5","5","7","4","1") = "6"
    & skf21("3","3","2","5","5","7","5","1") = "6"
    & skf21("3","3","2","5","5","7","6","1") = "6"
    & skf21("3","3","2","5","5","7","7","1") = "6"
    & skf21("3","3","2","5","6","1","1","1") = "5"
    & skf21("3","3","2","5","6","1","2","1") = "5"
    & skf21("3","3","2","5","6","1","3","1") = "5"
    & skf21("3","3","2","5","6","1","4","1") = "5"
    & skf21("3","3","2","5","6","1","5","1") = "5"
    & skf21("3","3","2","5","6","1","6","1") = "5"
    & skf21("3","3","2","5","6","1","7","1") = "6"
    & skf21("3","3","2","5","6","2","1","1") = "5"
    & skf21("3","3","2","5","6","2","2","1") = "5"
    & skf21("3","3","2","5","6","2","3","1") = "5"
    & skf21("3","3","2","5","6","2","4","1") = "5"
    & skf21("3","3","2","5","6","2","5","1") = "5"
    & skf21("3","3","2","5","6","2","6","1") = "5"
    & skf21("3","3","2","5","6","2","7","1") = "6"
    & skf21("3","3","2","5","6","3","1","1") = "5"
    & skf21("3","3","2","5","6","3","2","1") = "5"
    & skf21("3","3","2","5","6","3","3","1") = "5"
    & skf21("3","3","2","5","6","3","4","1") = "5"
    & skf21("3","3","2","5","6","3","5","1") = "5"
    & skf21("3","3","2","5","6","3","6","1") = "5"
    & skf21("3","3","2","5","6","3","7","1") = "6"
    & skf21("3","3","2","5","6","4","1","1") = "5"
    & skf21("3","3","2","5","6","4","2","1") = "5"
    & skf21("3","3","2","5","6","4","3","1") = "5"
    & skf21("3","3","2","5","6","4","4","1") = "5"
    & skf21("3","3","2","5","6","4","5","1") = "5"
    & skf21("3","3","2","5","6","4","6","1") = "5"
    & skf21("3","3","2","5","6","4","7","1") = "6"
    & skf21("3","3","2","5","6","5","1","1") = "5"
    & skf21("3","3","2","5","6","5","2","1") = "5"
    & skf21("3","3","2","5","6","5","3","1") = "5"
    & skf21("3","3","2","5","6","5","4","1") = "5"
    & skf21("3","3","2","5","6","5","5","1") = "5"
    & skf21("3","3","2","5","6","5","6","1") = "5"
    & skf21("3","3","2","5","6","5","7","1") = "6"
    & skf21("3","3","2","5","6","6","1","1") = "5"
    & skf21("3","3","2","5","6","6","2","1") = "5"
    & skf21("3","3","2","5","6","6","3","1") = "5"
    & skf21("3","3","2","5","6","6","4","1") = "5"
    & skf21("3","3","2","5","6","6","5","1") = "5"
    & skf21("3","3","2","5","6","6","6","1") = "5"
    & skf21("3","3","2","5","6","6","7","1") = "6"
    & skf21("3","3","2","5","6","7","1","1") = "6"
    & skf21("3","3","2","5","6","7","2","1") = "6"
    & skf21("3","3","2","5","6","7","3","1") = "6"
    & skf21("3","3","2","5","6","7","4","1") = "6"
    & skf21("3","3","2","5","6","7","5","1") = "6"
    & skf21("3","3","2","5","6","7","6","1") = "6"
    & skf21("3","3","2","5","6","7","7","1") = "6"
    & skf21("3","3","2","5","7","1","1","1") = "6"
    & skf21("3","3","2","5","7","1","2","1") = "6"
    & skf21("3","3","2","5","7","1","3","1") = "6"
    & skf21("3","3","2","5","7","1","4","1") = "6"
    & skf21("3","3","2","5","7","1","5","1") = "6"
    & skf21("3","3","2","5","7","1","6","1") = "6"
    & skf21("3","3","2","5","7","1","7","1") = "6"
    & skf21("3","3","2","5","7","2","1","1") = "6"
    & skf21("3","3","2","5","7","2","2","1") = "6"
    & skf21("3","3","2","5","7","2","3","1") = "6"
    & skf21("3","3","2","5","7","2","4","1") = "6"
    & skf21("3","3","2","5","7","2","5","1") = "6"
    & skf21("3","3","2","5","7","2","6","1") = "6"
    & skf21("3","3","2","5","7","2","7","1") = "6"
    & skf21("3","3","2","5","7","3","1","1") = "6"
    & skf21("3","3","2","5","7","3","2","1") = "6"
    & skf21("3","3","2","5","7","3","3","1") = "6"
    & skf21("3","3","2","5","7","3","4","1") = "6"
    & skf21("3","3","2","5","7","3","5","1") = "6"
    & skf21("3","3","2","5","7","3","6","1") = "6"
    & skf21("3","3","2","5","7","3","7","1") = "6"
    & skf21("3","3","2","5","7","4","1","1") = "6"
    & skf21("3","3","2","5","7","4","2","1") = "6"
    & skf21("3","3","2","5","7","4","3","1") = "6"
    & skf21("3","3","2","5","7","4","4","1") = "6"
    & skf21("3","3","2","5","7","4","5","1") = "6"
    & skf21("3","3","2","5","7","4","6","1") = "6"
    & skf21("3","3","2","5","7","4","7","1") = "6"
    & skf21("3","3","2","5","7","5","1","1") = "6"
    & skf21("3","3","2","5","7","5","2","1") = "6"
    & skf21("3","3","2","5","7","5","3","1") = "6"
    & skf21("3","3","2","5","7","5","4","1") = "6"
    & skf21("3","3","2","5","7","5","5","1") = "6"
    & skf21("3","3","2","5","7","5","6","1") = "6"
    & skf21("3","3","2","5","7","5","7","1") = "6"
    & skf21("3","3","2","5","7","6","1","1") = "6"
    & skf21("3","3","2","5","7","6","2","1") = "6"
    & skf21("3","3","2","5","7","6","3","1") = "6"
    & skf21("3","3","2","5","7","6","4","1") = "6"
    & skf21("3","3","2","5","7","6","5","1") = "6"
    & skf21("3","3","2","5","7","6","6","1") = "6"
    & skf21("3","3","2","5","7","6","7","1") = "6"
    & skf21("3","3","2","5","7","7","1","1") = "6"
    & skf21("3","3","2","5","7","7","2","1") = "6"
    & skf21("3","3","2","5","7","7","3","1") = "6"
    & skf21("3","3","2","5","7","7","4","1") = "6"
    & skf21("3","3","2","5","7","7","5","1") = "6"
    & skf21("3","3","2","5","7","7","6","1") = "6"
    & skf21("3","3","2","5","7","7","7","1") = "6"
    & skf21("3","3","2","6","1","1","1","1") = "5"
    & skf21("3","3","2","6","1","1","2","1") = "5"
    & skf21("3","3","2","6","1","1","3","1") = "5"
    & skf21("3","3","2","6","1","1","4","1") = "5"
    & skf21("3","3","2","6","1","1","5","1") = "5"
    & skf21("3","3","2","6","1","1","6","1") = "5"
    & skf21("3","3","2","6","1","1","7","1") = "6"
    & skf21("3","3","2","6","1","2","1","1") = "5"
    & skf21("3","3","2","6","1","2","2","1") = "5"
    & skf21("3","3","2","6","1","2","3","1") = "5"
    & skf21("3","3","2","6","1","2","4","1") = "5"
    & skf21("3","3","2","6","1","2","5","1") = "5"
    & skf21("3","3","2","6","1","2","6","1") = "5"
    & skf21("3","3","2","6","1","2","7","1") = "6"
    & skf21("3","3","2","6","1","3","1","1") = "5"
    & skf21("3","3","2","6","1","3","2","1") = "5"
    & skf21("3","3","2","6","1","3","3","1") = "5"
    & skf21("3","3","2","6","1","3","4","1") = "5"
    & skf21("3","3","2","6","1","3","5","1") = "5"
    & skf21("3","3","2","6","1","3","6","1") = "5"
    & skf21("3","3","2","6","1","3","7","1") = "6"
    & skf21("3","3","2","6","1","4","1","1") = "5"
    & skf21("3","3","2","6","1","4","2","1") = "5"
    & skf21("3","3","2","6","1","4","3","1") = "5"
    & skf21("3","3","2","6","1","4","4","1") = "5"
    & skf21("3","3","2","6","1","4","5","1") = "5"
    & skf21("3","3","2","6","1","4","6","1") = "5"
    & skf21("3","3","2","6","1","4","7","1") = "6"
    & skf21("3","3","2","6","1","5","1","1") = "5"
    & skf21("3","3","2","6","1","5","2","1") = "5"
    & skf21("3","3","2","6","1","5","3","1") = "5"
    & skf21("3","3","2","6","1","5","4","1") = "5"
    & skf21("3","3","2","6","1","5","5","1") = "5"
    & skf21("3","3","2","6","1","5","6","1") = "5"
    & skf21("3","3","2","6","1","5","7","1") = "6"
    & skf21("3","3","2","6","1","6","1","1") = "5"
    & skf21("3","3","2","6","1","6","2","1") = "5"
    & skf21("3","3","2","6","1","6","3","1") = "5"
    & skf21("3","3","2","6","1","6","4","1") = "5"
    & skf21("3","3","2","6","1","6","5","1") = "5"
    & skf21("3","3","2","6","1","6","6","1") = "5"
    & skf21("3","3","2","6","1","6","7","1") = "6"
    & skf21("3","3","2","6","1","7","1","1") = "6"
    & skf21("3","3","2","6","1","7","2","1") = "6"
    & skf21("3","3","2","6","1","7","3","1") = "6"
    & skf21("3","3","2","6","1","7","4","1") = "6"
    & skf21("3","3","2","6","1","7","5","1") = "6"
    & skf21("3","3","2","6","1","7","6","1") = "6"
    & skf21("3","3","2","6","1","7","7","1") = "6"
    & skf21("3","3","2","6","2","1","1","1") = "5"
    & skf21("3","3","2","6","2","1","2","1") = "5"
    & skf21("3","3","2","6","2","1","3","1") = "5"
    & skf21("3","3","2","6","2","1","4","1") = "5"
    & skf21("3","3","2","6","2","1","5","1") = "5"
    & skf21("3","3","2","6","2","1","6","1") = "5"
    & skf21("3","3","2","6","2","1","7","1") = "6"
    & skf21("3","3","2","6","2","2","1","1") = "5"
    & skf21("3","3","2","6","2","2","2","1") = "5"
    & skf21("3","3","2","6","2","2","3","1") = "5"
    & skf21("3","3","2","6","2","2","4","1") = "5"
    & skf21("3","3","2","6","2","2","5","1") = "5"
    & skf21("3","3","2","6","2","2","6","1") = "5"
    & skf21("3","3","2","6","2","2","7","1") = "6"
    & skf21("3","3","2","6","2","3","1","1") = "5"
    & skf21("3","3","2","6","2","3","2","1") = "5"
    & skf21("3","3","2","6","2","3","3","1") = "5"
    & skf21("3","3","2","6","2","3","4","1") = "5"
    & skf21("3","3","2","6","2","3","5","1") = "5"
    & skf21("3","3","2","6","2","3","6","1") = "5"
    & skf21("3","3","2","6","2","3","7","1") = "6"
    & skf21("3","3","2","6","2","4","1","1") = "5"
    & skf21("3","3","2","6","2","4","2","1") = "5"
    & skf21("3","3","2","6","2","4","3","1") = "5"
    & skf21("3","3","2","6","2","4","4","1") = "5"
    & skf21("3","3","2","6","2","4","5","1") = "5"
    & skf21("3","3","2","6","2","4","6","1") = "5"
    & skf21("3","3","2","6","2","4","7","1") = "6"
    & skf21("3","3","2","6","2","5","1","1") = "5"
    & skf21("3","3","2","6","2","5","2","1") = "5"
    & skf21("3","3","2","6","2","5","3","1") = "5"
    & skf21("3","3","2","6","2","5","4","1") = "5"
    & skf21("3","3","2","6","2","5","5","1") = "5"
    & skf21("3","3","2","6","2","5","6","1") = "5"
    & skf21("3","3","2","6","2","5","7","1") = "6"
    & skf21("3","3","2","6","2","6","1","1") = "5"
    & skf21("3","3","2","6","2","6","2","1") = "5"
    & skf21("3","3","2","6","2","6","3","1") = "5"
    & skf21("3","3","2","6","2","6","4","1") = "5"
    & skf21("3","3","2","6","2","6","5","1") = "5"
    & skf21("3","3","2","6","2","6","6","1") = "5"
    & skf21("3","3","2","6","2","6","7","1") = "6"
    & skf21("3","3","2","6","2","7","1","1") = "6"
    & skf21("3","3","2","6","2","7","2","1") = "6"
    & skf21("3","3","2","6","2","7","3","1") = "6"
    & skf21("3","3","2","6","2","7","4","1") = "6"
    & skf21("3","3","2","6","2","7","5","1") = "6"
    & skf21("3","3","2","6","2","7","6","1") = "6"
    & skf21("3","3","2","6","2","7","7","1") = "6"
    & skf21("3","3","2","6","3","1","1","1") = "5"
    & skf21("3","3","2","6","3","1","2","1") = "5"
    & skf21("3","3","2","6","3","1","3","1") = "5"
    & skf21("3","3","2","6","3","1","4","1") = "5"
    & skf21("3","3","2","6","3","1","5","1") = "5"
    & skf21("3","3","2","6","3","1","6","1") = "5"
    & skf21("3","3","2","6","3","1","7","1") = "6"
    & skf21("3","3","2","6","3","2","1","1") = "5"
    & skf21("3","3","2","6","3","2","2","1") = "5"
    & skf21("3","3","2","6","3","2","3","1") = "5"
    & skf21("3","3","2","6","3","2","4","1") = "5"
    & skf21("3","3","2","6","3","2","5","1") = "5"
    & skf21("3","3","2","6","3","2","6","1") = "5"
    & skf21("3","3","2","6","3","2","7","1") = "6"
    & skf21("3","3","2","6","3","3","1","1") = "5"
    & skf21("3","3","2","6","3","3","2","1") = "5"
    & skf21("3","3","2","6","3","3","3","1") = "5"
    & skf21("3","3","2","6","3","3","4","1") = "5"
    & skf21("3","3","2","6","3","3","5","1") = "5"
    & skf21("3","3","2","6","3","3","6","1") = "5"
    & skf21("3","3","2","6","3","3","7","1") = "6"
    & skf21("3","3","2","6","3","4","1","1") = "5"
    & skf21("3","3","2","6","3","4","2","1") = "5"
    & skf21("3","3","2","6","3","4","3","1") = "5"
    & skf21("3","3","2","6","3","4","4","1") = "5"
    & skf21("3","3","2","6","3","4","5","1") = "5"
    & skf21("3","3","2","6","3","4","6","1") = "5"
    & skf21("3","3","2","6","3","4","7","1") = "6"
    & skf21("3","3","2","6","3","5","1","1") = "5"
    & skf21("3","3","2","6","3","5","2","1") = "5"
    & skf21("3","3","2","6","3","5","3","1") = "5"
    & skf21("3","3","2","6","3","5","4","1") = "5"
    & skf21("3","3","2","6","3","5","5","1") = "5"
    & skf21("3","3","2","6","3","5","6","1") = "5"
    & skf21("3","3","2","6","3","5","7","1") = "6"
    & skf21("3","3","2","6","3","6","1","1") = "5"
    & skf21("3","3","2","6","3","6","2","1") = "5"
    & skf21("3","3","2","6","3","6","3","1") = "5"
    & skf21("3","3","2","6","3","6","4","1") = "5"
    & skf21("3","3","2","6","3","6","5","1") = "5"
    & skf21("3","3","2","6","3","6","6","1") = "5"
    & skf21("3","3","2","6","3","6","7","1") = "6"
    & skf21("3","3","2","6","3","7","1","1") = "6"
    & skf21("3","3","2","6","3","7","2","1") = "6"
    & skf21("3","3","2","6","3","7","3","1") = "6"
    & skf21("3","3","2","6","3","7","4","1") = "6"
    & skf21("3","3","2","6","3","7","5","1") = "6"
    & skf21("3","3","2","6","3","7","6","1") = "6"
    & skf21("3","3","2","6","3","7","7","1") = "6"
    & skf21("3","3","2","6","4","1","1","1") = "5"
    & skf21("3","3","2","6","4","1","2","1") = "5"
    & skf21("3","3","2","6","4","1","3","1") = "5"
    & skf21("3","3","2","6","4","1","4","1") = "5"
    & skf21("3","3","2","6","4","1","5","1") = "5"
    & skf21("3","3","2","6","4","1","6","1") = "5"
    & skf21("3","3","2","6","4","1","7","1") = "6"
    & skf21("3","3","2","6","4","2","1","1") = "5"
    & skf21("3","3","2","6","4","2","2","1") = "5"
    & skf21("3","3","2","6","4","2","3","1") = "5"
    & skf21("3","3","2","6","4","2","4","1") = "5"
    & skf21("3","3","2","6","4","2","5","1") = "5"
    & skf21("3","3","2","6","4","2","6","1") = "5"
    & skf21("3","3","2","6","4","2","7","1") = "6"
    & skf21("3","3","2","6","4","3","1","1") = "5"
    & skf21("3","3","2","6","4","3","2","1") = "5"
    & skf21("3","3","2","6","4","3","3","1") = "5"
    & skf21("3","3","2","6","4","3","4","1") = "5"
    & skf21("3","3","2","6","4","3","5","1") = "5"
    & skf21("3","3","2","6","4","3","6","1") = "5"
    & skf21("3","3","2","6","4","3","7","1") = "6"
    & skf21("3","3","2","6","4","4","1","1") = "5"
    & skf21("3","3","2","6","4","4","2","1") = "5"
    & skf21("3","3","2","6","4","4","3","1") = "5"
    & skf21("3","3","2","6","4","4","4","1") = "5"
    & skf21("3","3","2","6","4","4","5","1") = "5"
    & skf21("3","3","2","6","4","4","6","1") = "5"
    & skf21("3","3","2","6","4","4","7","1") = "6"
    & skf21("3","3","2","6","4","5","1","1") = "5"
    & skf21("3","3","2","6","4","5","2","1") = "5"
    & skf21("3","3","2","6","4","5","3","1") = "5"
    & skf21("3","3","2","6","4","5","4","1") = "5"
    & skf21("3","3","2","6","4","5","5","1") = "5"
    & skf21("3","3","2","6","4","5","6","1") = "5"
    & skf21("3","3","2","6","4","5","7","1") = "6"
    & skf21("3","3","2","6","4","6","1","1") = "5"
    & skf21("3","3","2","6","4","6","2","1") = "5"
    & skf21("3","3","2","6","4","6","3","1") = "5"
    & skf21("3","3","2","6","4","6","4","1") = "5"
    & skf21("3","3","2","6","4","6","5","1") = "5"
    & skf21("3","3","2","6","4","6","6","1") = "5"
    & skf21("3","3","2","6","4","6","7","1") = "6"
    & skf21("3","3","2","6","4","7","1","1") = "6"
    & skf21("3","3","2","6","4","7","2","1") = "6"
    & skf21("3","3","2","6","4","7","3","1") = "6"
    & skf21("3","3","2","6","4","7","4","1") = "6"
    & skf21("3","3","2","6","4","7","5","1") = "6"
    & skf21("3","3","2","6","4","7","6","1") = "6"
    & skf21("3","3","2","6","4","7","7","1") = "6"
    & skf21("3","3","2","6","5","1","1","1") = "5"
    & skf21("3","3","2","6","5","1","2","1") = "5"
    & skf21("3","3","2","6","5","1","3","1") = "5"
    & skf21("3","3","2","6","5","1","4","1") = "5"
    & skf21("3","3","2","6","5","1","5","1") = "5"
    & skf21("3","3","2","6","5","1","6","1") = "5"
    & skf21("3","3","2","6","5","1","7","1") = "6"
    & skf21("3","3","2","6","5","2","1","1") = "5"
    & skf21("3","3","2","6","5","2","2","1") = "5"
    & skf21("3","3","2","6","5","2","3","1") = "5"
    & skf21("3","3","2","6","5","2","4","1") = "5"
    & skf21("3","3","2","6","5","2","5","1") = "5"
    & skf21("3","3","2","6","5","2","6","1") = "5"
    & skf21("3","3","2","6","5","2","7","1") = "6"
    & skf21("3","3","2","6","5","3","1","1") = "5"
    & skf21("3","3","2","6","5","3","2","1") = "5"
    & skf21("3","3","2","6","5","3","3","1") = "5"
    & skf21("3","3","2","6","5","3","4","1") = "5"
    & skf21("3","3","2","6","5","3","5","1") = "5"
    & skf21("3","3","2","6","5","3","6","1") = "5"
    & skf21("3","3","2","6","5","3","7","1") = "6"
    & skf21("3","3","2","6","5","4","1","1") = "5"
    & skf21("3","3","2","6","5","4","2","1") = "5"
    & skf21("3","3","2","6","5","4","3","1") = "5"
    & skf21("3","3","2","6","5","4","4","1") = "5"
    & skf21("3","3","2","6","5","4","5","1") = "5"
    & skf21("3","3","2","6","5","4","6","1") = "5"
    & skf21("3","3","2","6","5","4","7","1") = "6"
    & skf21("3","3","2","6","5","5","1","1") = "5"
    & skf21("3","3","2","6","5","5","2","1") = "5"
    & skf21("3","3","2","6","5","5","3","1") = "5"
    & skf21("3","3","2","6","5","5","4","1") = "5"
    & skf21("3","3","2","6","5","5","5","1") = "5"
    & skf21("3","3","2","6","5","5","6","1") = "5"
    & skf21("3","3","2","6","5","5","7","1") = "6"
    & skf21("3","3","2","6","5","6","1","1") = "5"
    & skf21("3","3","2","6","5","6","2","1") = "5"
    & skf21("3","3","2","6","5","6","3","1") = "5"
    & skf21("3","3","2","6","5","6","4","1") = "5"
    & skf21("3","3","2","6","5","6","5","1") = "5"
    & skf21("3","3","2","6","5","6","6","1") = "5"
    & skf21("3","3","2","6","5","6","7","1") = "6"
    & skf21("3","3","2","6","5","7","1","1") = "6"
    & skf21("3","3","2","6","5","7","2","1") = "6"
    & skf21("3","3","2","6","5","7","3","1") = "6"
    & skf21("3","3","2","6","5","7","4","1") = "6"
    & skf21("3","3","2","6","5","7","5","1") = "6"
    & skf21("3","3","2","6","5","7","6","1") = "6"
    & skf21("3","3","2","6","5","7","7","1") = "6"
    & skf21("3","3","2","6","6","1","1","1") = "5"
    & skf21("3","3","2","6","6","1","2","1") = "5"
    & skf21("3","3","2","6","6","1","3","1") = "5"
    & skf21("3","3","2","6","6","1","4","1") = "5"
    & skf21("3","3","2","6","6","1","5","1") = "5"
    & skf21("3","3","2","6","6","1","6","1") = "5"
    & skf21("3","3","2","6","6","1","7","1") = "6"
    & skf21("3","3","2","6","6","2","1","1") = "5"
    & skf21("3","3","2","6","6","2","2","1") = "5"
    & skf21("3","3","2","6","6","2","3","1") = "5"
    & skf21("3","3","2","6","6","2","4","1") = "5"
    & skf21("3","3","2","6","6","2","5","1") = "5"
    & skf21("3","3","2","6","6","2","6","1") = "5"
    & skf21("3","3","2","6","6","2","7","1") = "6"
    & skf21("3","3","2","6","6","3","1","1") = "5"
    & skf21("3","3","2","6","6","3","2","1") = "5"
    & skf21("3","3","2","6","6","3","3","1") = "5"
    & skf21("3","3","2","6","6","3","4","1") = "5"
    & skf21("3","3","2","6","6","3","5","1") = "5"
    & skf21("3","3","2","6","6","3","6","1") = "5"
    & skf21("3","3","2","6","6","3","7","1") = "6"
    & skf21("3","3","2","6","6","4","1","1") = "5"
    & skf21("3","3","2","6","6","4","2","1") = "5"
    & skf21("3","3","2","6","6","4","3","1") = "5"
    & skf21("3","3","2","6","6","4","4","1") = "5"
    & skf21("3","3","2","6","6","4","5","1") = "5"
    & skf21("3","3","2","6","6","4","6","1") = "5"
    & skf21("3","3","2","6","6","4","7","1") = "6"
    & skf21("3","3","2","6","6","5","1","1") = "5"
    & skf21("3","3","2","6","6","5","2","1") = "5"
    & skf21("3","3","2","6","6","5","3","1") = "5"
    & skf21("3","3","2","6","6","5","4","1") = "5"
    & skf21("3","3","2","6","6","5","5","1") = "5"
    & skf21("3","3","2","6","6","5","6","1") = "5"
    & skf21("3","3","2","6","6","5","7","1") = "6"
    & skf21("3","3","2","6","6","6","1","1") = "5"
    & skf21("3","3","2","6","6","6","2","1") = "5"
    & skf21("3","3","2","6","6","6","3","1") = "5"
    & skf21("3","3","2","6","6","6","4","1") = "5"
    & skf21("3","3","2","6","6","6","5","1") = "5"
    & skf21("3","3","2","6","6","6","6","1") = "5"
    & skf21("3","3","2","6","6","6","7","1") = "6"
    & skf21("3","3","2","6","6","7","1","1") = "6"
    & skf21("3","3","2","6","6","7","2","1") = "6"
    & skf21("3","3","2","6","6","7","3","1") = "6"
    & skf21("3","3","2","6","6","7","4","1") = "6"
    & skf21("3","3","2","6","6","7","5","1") = "6"
    & skf21("3","3","2","6","6","7","6","1") = "6"
    & skf21("3","3","2","6","6","7","7","1") = "6"
    & skf21("3","3","2","6","7","1","1","1") = "6"
    & skf21("3","3","2","6","7","1","2","1") = "6"
    & skf21("3","3","2","6","7","1","3","1") = "6"
    & skf21("3","3","2","6","7","1","4","1") = "6"
    & skf21("3","3","2","6","7","1","5","1") = "6"
    & skf21("3","3","2","6","7","1","6","1") = "6"
    & skf21("3","3","2","6","7","1","7","1") = "6"
    & skf21("3","3","2","6","7","2","1","1") = "6"
    & skf21("3","3","2","6","7","2","2","1") = "6"
    & skf21("3","3","2","6","7","2","3","1") = "6"
    & skf21("3","3","2","6","7","2","4","1") = "6"
    & skf21("3","3","2","6","7","2","5","1") = "6"
    & skf21("3","3","2","6","7","2","6","1") = "6"
    & skf21("3","3","2","6","7","2","7","1") = "6"
    & skf21("3","3","2","6","7","3","1","1") = "6"
    & skf21("3","3","2","6","7","3","2","1") = "6"
    & skf21("3","3","2","6","7","3","3","1") = "6"
    & skf21("3","3","2","6","7","3","4","1") = "6"
    & skf21("3","3","2","6","7","3","5","1") = "6"
    & skf21("3","3","2","6","7","3","6","1") = "6"
    & skf21("3","3","2","6","7","3","7","1") = "6"
    & skf21("3","3","2","6","7","4","1","1") = "6"
    & skf21("3","3","2","6","7","4","2","1") = "6"
    & skf21("3","3","2","6","7","4","3","1") = "6"
    & skf21("3","3","2","6","7","4","4","1") = "6"
    & skf21("3","3","2","6","7","4","5","1") = "6"
    & skf21("3","3","2","6","7","4","6","1") = "6"
    & skf21("3","3","2","6","7","4","7","1") = "6"
    & skf21("3","3","2","6","7","5","1","1") = "6"
    & skf21("3","3","2","6","7","5","2","1") = "6"
    & skf21("3","3","2","6","7","5","3","1") = "6"
    & skf21("3","3","2","6","7","5","4","1") = "6"
    & skf21("3","3","2","6","7","5","5","1") = "6"
    & skf21("3","3","2","6","7","5","6","1") = "6"
    & skf21("3","3","2","6","7","5","7","1") = "6"
    & skf21("3","3","2","6","7","6","1","1") = "6"
    & skf21("3","3","2","6","7","6","2","1") = "6"
    & skf21("3","3","2","6","7","6","3","1") = "6"
    & skf21("3","3","2","6","7","6","4","1") = "6"
    & skf21("3","3","2","6","7","6","5","1") = "6"
    & skf21("3","3","2","6","7","6","6","1") = "6"
    & skf21("3","3","2","6","7","6","7","1") = "6"
    & skf21("3","3","2","6","7","7","1","1") = "6"
    & skf21("3","3","2","6","7","7","2","1") = "6"
    & skf21("3","3","2","6","7","7","3","1") = "6"
    & skf21("3","3","2","6","7","7","4","1") = "6"
    & skf21("3","3","2","6","7","7","5","1") = "6"
    & skf21("3","3","2","6","7","7","6","1") = "6"
    & skf21("3","3","2","6","7","7","7","1") = "6"
    & skf21("3","3","2","7","1","1","1","1") = "6"
    & skf21("3","3","2","7","1","1","2","1") = "6"
    & skf21("3","3","2","7","1","1","3","1") = "6"
    & skf21("3","3","2","7","1","1","4","1") = "6"
    & skf21("3","3","2","7","1","1","5","1") = "6"
    & skf21("3","3","2","7","1","1","6","1") = "6"
    & skf21("3","3","2","7","1","1","7","1") = "6"
    & skf21("3","3","2","7","1","2","1","1") = "6"
    & skf21("3","3","2","7","1","2","2","1") = "6"
    & skf21("3","3","2","7","1","2","3","1") = "6"
    & skf21("3","3","2","7","1","2","4","1") = "6"
    & skf21("3","3","2","7","1","2","5","1") = "6"
    & skf21("3","3","2","7","1","2","6","1") = "6"
    & skf21("3","3","2","7","1","2","7","1") = "6"
    & skf21("3","3","2","7","1","3","1","1") = "6"
    & skf21("3","3","2","7","1","3","2","1") = "6"
    & skf21("3","3","2","7","1","3","3","1") = "6"
    & skf21("3","3","2","7","1","3","4","1") = "6"
    & skf21("3","3","2","7","1","3","5","1") = "6"
    & skf21("3","3","2","7","1","3","6","1") = "6"
    & skf21("3","3","2","7","1","3","7","1") = "6"
    & skf21("3","3","2","7","1","4","1","1") = "6"
    & skf21("3","3","2","7","1","4","2","1") = "6"
    & skf21("3","3","2","7","1","4","3","1") = "6"
    & skf21("3","3","2","7","1","4","4","1") = "6"
    & skf21("3","3","2","7","1","4","5","1") = "6"
    & skf21("3","3","2","7","1","4","6","1") = "6"
    & skf21("3","3","2","7","1","4","7","1") = "6"
    & skf21("3","3","2","7","1","5","1","1") = "6"
    & skf21("3","3","2","7","1","5","2","1") = "6"
    & skf21("3","3","2","7","1","5","3","1") = "6"
    & skf21("3","3","2","7","1","5","4","1") = "6"
    & skf21("3","3","2","7","1","5","5","1") = "6"
    & skf21("3","3","2","7","1","5","6","1") = "6"
    & skf21("3","3","2","7","1","5","7","1") = "6"
    & skf21("3","3","2","7","1","6","1","1") = "6"
    & skf21("3","3","2","7","1","6","2","1") = "6"
    & skf21("3","3","2","7","1","6","3","1") = "6"
    & skf21("3","3","2","7","1","6","4","1") = "6"
    & skf21("3","3","2","7","1","6","5","1") = "6"
    & skf21("3","3","2","7","1","6","6","1") = "6"
    & skf21("3","3","2","7","1","6","7","1") = "6"
    & skf21("3","3","2","7","1","7","1","1") = "6"
    & skf21("3","3","2","7","1","7","2","1") = "6"
    & skf21("3","3","2","7","1","7","3","1") = "6"
    & skf21("3","3","2","7","1","7","4","1") = "6"
    & skf21("3","3","2","7","1","7","5","1") = "6"
    & skf21("3","3","2","7","1","7","6","1") = "6"
    & skf21("3","3","2","7","1","7","7","1") = "6"
    & skf21("3","3","2","7","2","1","1","1") = "6"
    & skf21("3","3","2","7","2","1","2","1") = "6"
    & skf21("3","3","2","7","2","1","3","1") = "6"
    & skf21("3","3","2","7","2","1","4","1") = "6"
    & skf21("3","3","2","7","2","1","5","1") = "6"
    & skf21("3","3","2","7","2","1","6","1") = "6"
    & skf21("3","3","2","7","2","1","7","1") = "6"
    & skf21("3","3","2","7","2","2","1","1") = "6"
    & skf21("3","3","2","7","2","2","2","1") = "6"
    & skf21("3","3","2","7","2","2","3","1") = "6"
    & skf21("3","3","2","7","2","2","4","1") = "6"
    & skf21("3","3","2","7","2","2","5","1") = "6"
    & skf21("3","3","2","7","2","2","6","1") = "6"
    & skf21("3","3","2","7","2","2","7","1") = "6"
    & skf21("3","3","2","7","2","3","1","1") = "6"
    & skf21("3","3","2","7","2","3","2","1") = "6"
    & skf21("3","3","2","7","2","3","3","1") = "6"
    & skf21("3","3","2","7","2","3","4","1") = "6"
    & skf21("3","3","2","7","2","3","5","1") = "6"
    & skf21("3","3","2","7","2","3","6","1") = "6"
    & skf21("3","3","2","7","2","3","7","1") = "6"
    & skf21("3","3","2","7","2","4","1","1") = "6"
    & skf21("3","3","2","7","2","4","2","1") = "6"
    & skf21("3","3","2","7","2","4","3","1") = "6"
    & skf21("3","3","2","7","2","4","4","1") = "6"
    & skf21("3","3","2","7","2","4","5","1") = "6"
    & skf21("3","3","2","7","2","4","6","1") = "6"
    & skf21("3","3","2","7","2","4","7","1") = "6"
    & skf21("3","3","2","7","2","5","1","1") = "6"
    & skf21("3","3","2","7","2","5","2","1") = "6"
    & skf21("3","3","2","7","2","5","3","1") = "6"
    & skf21("3","3","2","7","2","5","4","1") = "6"
    & skf21("3","3","2","7","2","5","5","1") = "6"
    & skf21("3","3","2","7","2","5","6","1") = "6"
    & skf21("3","3","2","7","2","5","7","1") = "6"
    & skf21("3","3","2","7","2","6","1","1") = "6"
    & skf21("3","3","2","7","2","6","2","1") = "6"
    & skf21("3","3","2","7","2","6","3","1") = "6"
    & skf21("3","3","2","7","2","6","4","1") = "6"
    & skf21("3","3","2","7","2","6","5","1") = "6"
    & skf21("3","3","2","7","2","6","6","1") = "6"
    & skf21("3","3","2","7","2","6","7","1") = "6"
    & skf21("3","3","2","7","2","7","1","1") = "6"
    & skf21("3","3","2","7","2","7","2","1") = "6"
    & skf21("3","3","2","7","2","7","3","1") = "6"
    & skf21("3","3","2","7","2","7","4","1") = "6"
    & skf21("3","3","2","7","2","7","5","1") = "6"
    & skf21("3","3","2","7","2","7","6","1") = "6"
    & skf21("3","3","2","7","2","7","7","1") = "6"
    & skf21("3","3","2","7","3","1","1","1") = "6"
    & skf21("3","3","2","7","3","1","2","1") = "6"
    & skf21("3","3","2","7","3","1","3","1") = "6"
    & skf21("3","3","2","7","3","1","4","1") = "6"
    & skf21("3","3","2","7","3","1","5","1") = "6"
    & skf21("3","3","2","7","3","1","6","1") = "6"
    & skf21("3","3","2","7","3","1","7","1") = "6"
    & skf21("3","3","2","7","3","2","1","1") = "6"
    & skf21("3","3","2","7","3","2","2","1") = "6"
    & skf21("3","3","2","7","3","2","3","1") = "6"
    & skf21("3","3","2","7","3","2","4","1") = "6"
    & skf21("3","3","2","7","3","2","5","1") = "6"
    & skf21("3","3","2","7","3","2","6","1") = "6"
    & skf21("3","3","2","7","3","2","7","1") = "6"
    & skf21("3","3","2","7","3","3","1","1") = "6"
    & skf21("3","3","2","7","3","3","2","1") = "6"
    & skf21("3","3","2","7","3","3","3","1") = "6"
    & skf21("3","3","2","7","3","3","4","1") = "6"
    & skf21("3","3","2","7","3","3","5","1") = "6"
    & skf21("3","3","2","7","3","3","6","1") = "6"
    & skf21("3","3","2","7","3","3","7","1") = "6"
    & skf21("3","3","2","7","3","4","1","1") = "6"
    & skf21("3","3","2","7","3","4","2","1") = "6"
    & skf21("3","3","2","7","3","4","3","1") = "6"
    & skf21("3","3","2","7","3","4","4","1") = "6"
    & skf21("3","3","2","7","3","4","5","1") = "6"
    & skf21("3","3","2","7","3","4","6","1") = "6"
    & skf21("3","3","2","7","3","4","7","1") = "6"
    & skf21("3","3","2","7","3","5","1","1") = "6"
    & skf21("3","3","2","7","3","5","2","1") = "6"
    & skf21("3","3","2","7","3","5","3","1") = "6"
    & skf21("3","3","2","7","3","5","4","1") = "6"
    & skf21("3","3","2","7","3","5","5","1") = "6"
    & skf21("3","3","2","7","3","5","6","1") = "6"
    & skf21("3","3","2","7","3","5","7","1") = "6"
    & skf21("3","3","2","7","3","6","1","1") = "6"
    & skf21("3","3","2","7","3","6","2","1") = "6"
    & skf21("3","3","2","7","3","6","3","1") = "6"
    & skf21("3","3","2","7","3","6","4","1") = "6"
    & skf21("3","3","2","7","3","6","5","1") = "6"
    & skf21("3","3","2","7","3","6","6","1") = "6"
    & skf21("3","3","2","7","3","6","7","1") = "6"
    & skf21("3","3","2","7","3","7","1","1") = "6"
    & skf21("3","3","2","7","3","7","2","1") = "6"
    & skf21("3","3","2","7","3","7","3","1") = "6"
    & skf21("3","3","2","7","3","7","4","1") = "6"
    & skf21("3","3","2","7","3","7","5","1") = "6"
    & skf21("3","3","2","7","3","7","6","1") = "6"
    & skf21("3","3","2","7","3","7","7","1") = "6"
    & skf21("3","3","2","7","4","1","1","1") = "6"
    & skf21("3","3","2","7","4","1","2","1") = "6"
    & skf21("3","3","2","7","4","1","3","1") = "6"
    & skf21("3","3","2","7","4","1","4","1") = "6"
    & skf21("3","3","2","7","4","1","5","1") = "6"
    & skf21("3","3","2","7","4","1","6","1") = "6"
    & skf21("3","3","2","7","4","1","7","1") = "6"
    & skf21("3","3","2","7","4","2","1","1") = "6"
    & skf21("3","3","2","7","4","2","2","1") = "6"
    & skf21("3","3","2","7","4","2","3","1") = "6"
    & skf21("3","3","2","7","4","2","4","1") = "6"
    & skf21("3","3","2","7","4","2","5","1") = "6"
    & skf21("3","3","2","7","4","2","6","1") = "6"
    & skf21("3","3","2","7","4","2","7","1") = "6"
    & skf21("3","3","2","7","4","3","1","1") = "6"
    & skf21("3","3","2","7","4","3","2","1") = "6"
    & skf21("3","3","2","7","4","3","3","1") = "6"
    & skf21("3","3","2","7","4","3","4","1") = "6"
    & skf21("3","3","2","7","4","3","5","1") = "6"
    & skf21("3","3","2","7","4","3","6","1") = "6"
    & skf21("3","3","2","7","4","3","7","1") = "6"
    & skf21("3","3","2","7","4","4","1","1") = "6"
    & skf21("3","3","2","7","4","4","2","1") = "6"
    & skf21("3","3","2","7","4","4","3","1") = "6"
    & skf21("3","3","2","7","4","4","4","1") = "6"
    & skf21("3","3","2","7","4","4","5","1") = "6"
    & skf21("3","3","2","7","4","4","6","1") = "6"
    & skf21("3","3","2","7","4","4","7","1") = "6"
    & skf21("3","3","2","7","4","5","1","1") = "6"
    & skf21("3","3","2","7","4","5","2","1") = "6"
    & skf21("3","3","2","7","4","5","3","1") = "6"
    & skf21("3","3","2","7","4","5","4","1") = "6"
    & skf21("3","3","2","7","4","5","5","1") = "6"
    & skf21("3","3","2","7","4","5","6","1") = "6"
    & skf21("3","3","2","7","4","5","7","1") = "6"
    & skf21("3","3","2","7","4","6","1","1") = "6"
    & skf21("3","3","2","7","4","6","2","1") = "6"
    & skf21("3","3","2","7","4","6","3","1") = "6"
    & skf21("3","3","2","7","4","6","4","1") = "6"
    & skf21("3","3","2","7","4","6","5","1") = "6"
    & skf21("3","3","2","7","4","6","6","1") = "6"
    & skf21("3","3","2","7","4","6","7","1") = "6"
    & skf21("3","3","2","7","4","7","1","1") = "6"
    & skf21("3","3","2","7","4","7","2","1") = "6"
    & skf21("3","3","2","7","4","7","3","1") = "6"
    & skf21("3","3","2","7","4","7","4","1") = "6"
    & skf21("3","3","2","7","4","7","5","1") = "6"
    & skf21("3","3","2","7","4","7","6","1") = "6"
    & skf21("3","3","2","7","4","7","7","1") = "6"
    & skf21("3","3","2","7","5","1","1","1") = "6"
    & skf21("3","3","2","7","5","1","2","1") = "6"
    & skf21("3","3","2","7","5","1","3","1") = "6"
    & skf21("3","3","2","7","5","1","4","1") = "6"
    & skf21("3","3","2","7","5","1","5","1") = "6"
    & skf21("3","3","2","7","5","1","6","1") = "6"
    & skf21("3","3","2","7","5","1","7","1") = "6"
    & skf21("3","3","2","7","5","2","1","1") = "6"
    & skf21("3","3","2","7","5","2","2","1") = "6"
    & skf21("3","3","2","7","5","2","3","1") = "6"
    & skf21("3","3","2","7","5","2","4","1") = "6"
    & skf21("3","3","2","7","5","2","5","1") = "6"
    & skf21("3","3","2","7","5","2","6","1") = "6"
    & skf21("3","3","2","7","5","2","7","1") = "6"
    & skf21("3","3","2","7","5","3","1","1") = "6"
    & skf21("3","3","2","7","5","3","2","1") = "6"
    & skf21("3","3","2","7","5","3","3","1") = "6"
    & skf21("3","3","2","7","5","3","4","1") = "6"
    & skf21("3","3","2","7","5","3","5","1") = "6"
    & skf21("3","3","2","7","5","3","6","1") = "6"
    & skf21("3","3","2","7","5","3","7","1") = "6"
    & skf21("3","3","2","7","5","4","1","1") = "6"
    & skf21("3","3","2","7","5","4","2","1") = "6"
    & skf21("3","3","2","7","5","4","3","1") = "6"
    & skf21("3","3","2","7","5","4","4","1") = "6"
    & skf21("3","3","2","7","5","4","5","1") = "6"
    & skf21("3","3","2","7","5","4","6","1") = "6"
    & skf21("3","3","2","7","5","4","7","1") = "6"
    & skf21("3","3","2","7","5","5","1","1") = "6"
    & skf21("3","3","2","7","5","5","2","1") = "6"
    & skf21("3","3","2","7","5","5","3","1") = "6"
    & skf21("3","3","2","7","5","5","4","1") = "6"
    & skf21("3","3","2","7","5","5","5","1") = "6"
    & skf21("3","3","2","7","5","5","6","1") = "6"
    & skf21("3","3","2","7","5","5","7","1") = "6"
    & skf21("3","3","2","7","5","6","1","1") = "6"
    & skf21("3","3","2","7","5","6","2","1") = "6"
    & skf21("3","3","2","7","5","6","3","1") = "6"
    & skf21("3","3","2","7","5","6","4","1") = "6"
    & skf21("3","3","2","7","5","6","5","1") = "6"
    & skf21("3","3","2","7","5","6","6","1") = "6"
    & skf21("3","3","2","7","5","6","7","1") = "6"
    & skf21("3","3","2","7","5","7","1","1") = "6"
    & skf21("3","3","2","7","5","7","2","1") = "6"
    & skf21("3","3","2","7","5","7","3","1") = "6"
    & skf21("3","3","2","7","5","7","4","1") = "6"
    & skf21("3","3","2","7","5","7","5","1") = "6"
    & skf21("3","3","2","7","5","7","6","1") = "6"
    & skf21("3","3","2","7","5","7","7","1") = "6"
    & skf21("3","3","2","7","6","1","1","1") = "6"
    & skf21("3","3","2","7","6","1","2","1") = "6"
    & skf21("3","3","2","7","6","1","3","1") = "6"
    & skf21("3","3","2","7","6","1","4","1") = "6"
    & skf21("3","3","2","7","6","1","5","1") = "6"
    & skf21("3","3","2","7","6","1","6","1") = "6"
    & skf21("3","3","2","7","6","1","7","1") = "6"
    & skf21("3","3","2","7","6","2","1","1") = "6"
    & skf21("3","3","2","7","6","2","2","1") = "6"
    & skf21("3","3","2","7","6","2","3","1") = "6"
    & skf21("3","3","2","7","6","2","4","1") = "6"
    & skf21("3","3","2","7","6","2","5","1") = "6"
    & skf21("3","3","2","7","6","2","6","1") = "6"
    & skf21("3","3","2","7","6","2","7","1") = "6"
    & skf21("3","3","2","7","6","3","1","1") = "6"
    & skf21("3","3","2","7","6","3","2","1") = "6"
    & skf21("3","3","2","7","6","3","3","1") = "6"
    & skf21("3","3","2","7","6","3","4","1") = "6"
    & skf21("3","3","2","7","6","3","5","1") = "6"
    & skf21("3","3","2","7","6","3","6","1") = "6"
    & skf21("3","3","2","7","6","3","7","1") = "6"
    & skf21("3","3","2","7","6","4","1","1") = "6"
    & skf21("3","3","2","7","6","4","2","1") = "6"
    & skf21("3","3","2","7","6","4","3","1") = "6"
    & skf21("3","3","2","7","6","4","4","1") = "6"
    & skf21("3","3","2","7","6","4","5","1") = "6"
    & skf21("3","3","2","7","6","4","6","1") = "6"
    & skf21("3","3","2","7","6","4","7","1") = "6"
    & skf21("3","3","2","7","6","5","1","1") = "6"
    & skf21("3","3","2","7","6","5","2","1") = "6"
    & skf21("3","3","2","7","6","5","3","1") = "6"
    & skf21("3","3","2","7","6","5","4","1") = "6"
    & skf21("3","3","2","7","6","5","5","1") = "6"
    & skf21("3","3","2","7","6","5","6","1") = "6"
    & skf21("3","3","2","7","6","5","7","1") = "6"
    & skf21("3","3","2","7","6","6","1","1") = "6"
    & skf21("3","3","2","7","6","6","2","1") = "6"
    & skf21("3","3","2","7","6","6","3","1") = "6"
    & skf21("3","3","2","7","6","6","4","1") = "6"
    & skf21("3","3","2","7","6","6","5","1") = "6"
    & skf21("3","3","2","7","6","6","6","1") = "6"
    & skf21("3","3","2","7","6","6","7","1") = "6"
    & skf21("3","3","2","7","6","7","1","1") = "6"
    & skf21("3","3","2","7","6","7","2","1") = "6"
    & skf21("3","3","2","7","6","7","3","1") = "6"
    & skf21("3","3","2","7","6","7","4","1") = "6"
    & skf21("3","3","2","7","6","7","5","1") = "6"
    & skf21("3","3","2","7","6","7","6","1") = "6"
    & skf21("3","3","2","7","6","7","7","1") = "6"
    & skf21("3","3","2","7","7","1","1","1") = "6"
    & skf21("3","3","2","7","7","1","2","1") = "6"
    & skf21("3","3","2","7","7","1","3","1") = "6"
    & skf21("3","3","2","7","7","1","4","1") = "6"
    & skf21("3","3","2","7","7","1","5","1") = "6"
    & skf21("3","3","2","7","7","1","6","1") = "6"
    & skf21("3","3","2","7","7","1","7","1") = "6"
    & skf21("3","3","2","7","7","2","1","1") = "6"
    & skf21("3","3","2","7","7","2","2","1") = "6"
    & skf21("3","3","2","7","7","2","3","1") = "6"
    & skf21("3","3","2","7","7","2","4","1") = "6"
    & skf21("3","3","2","7","7","2","5","1") = "6"
    & skf21("3","3","2","7","7","2","6","1") = "6"
    & skf21("3","3","2","7","7","2","7","1") = "6"
    & skf21("3","3","2","7","7","3","1","1") = "6"
    & skf21("3","3","2","7","7","3","2","1") = "6"
    & skf21("3","3","2","7","7","3","3","1") = "6"
    & skf21("3","3","2","7","7","3","4","1") = "6"
    & skf21("3","3","2","7","7","3","5","1") = "6"
    & skf21("3","3","2","7","7","3","6","1") = "6"
    & skf21("3","3","2","7","7","3","7","1") = "6"
    & skf21("3","3","2","7","7","4","1","1") = "6"
    & skf21("3","3","2","7","7","4","2","1") = "6"
    & skf21("3","3","2","7","7","4","3","1") = "6"
    & skf21("3","3","2","7","7","4","4","1") = "6"
    & skf21("3","3","2","7","7","4","5","1") = "6"
    & skf21("3","3","2","7","7","4","6","1") = "6"
    & skf21("3","3","2","7","7","4","7","1") = "6"
    & skf21("3","3","2","7","7","5","1","1") = "6"
    & skf21("3","3","2","7","7","5","2","1") = "6"
    & skf21("3","3","2","7","7","5","3","1") = "6"
    & skf21("3","3","2","7","7","5","4","1") = "6"
    & skf21("3","3","2","7","7","5","5","1") = "6"
    & skf21("3","3","2","7","7","5","6","1") = "6"
    & skf21("3","3","2","7","7","5","7","1") = "6"
    & skf21("3","3","2","7","7","6","1","1") = "6"
    & skf21("3","3","2","7","7","6","2","1") = "6"
    & skf21("3","3","2","7","7","6","3","1") = "6"
    & skf21("3","3","2","7","7","6","4","1") = "6"
    & skf21("3","3","2","7","7","6","5","1") = "6"
    & skf21("3","3","2","7","7","6","6","1") = "6"
    & skf21("3","3","2","7","7","6","7","1") = "6"
    & skf21("3","3","2","7","7","7","1","1") = "6"
    & skf21("3","3","2","7","7","7","2","1") = "6"
    & skf21("3","3","2","7","7","7","3","1") = "6"
    & skf21("3","3","2","7","7","7","4","1") = "6"
    & skf21("3","3","2","7","7","7","5","1") = "6"
    & skf21("3","3","2","7","7","7","6","1") = "6"
    & skf21("3","3","2","7","7","7","7","1") = "6"
    & skf21("3","3","3","1","1","1","1","1") = "2"
    & skf21("3","3","3","1","1","1","2","1") = "2"
    & skf21("3","3","3","1","1","1","3","1") = "2"
    & skf21("3","3","3","1","1","1","4","1") = "3"
    & skf21("3","3","3","1","1","1","5","1") = "4"
    & skf21("3","3","3","1","1","1","6","1") = "5"
    & skf21("3","3","3","1","1","1","7","1") = "6"
    & skf21("3","3","3","1","1","2","1","1") = "2"
    & skf21("3","3","3","1","1","2","2","1") = "2"
    & skf21("3","3","3","1","1","2","3","1") = "2"
    & skf21("3","3","3","1","1","2","4","1") = "3"
    & skf21("3","3","3","1","1","2","5","1") = "4"
    & skf21("3","3","3","1","1","2","6","1") = "5"
    & skf21("3","3","3","1","1","2","7","1") = "6"
    & skf21("3","3","3","1","1","3","1","1") = "2"
    & skf21("3","3","3","1","1","3","2","1") = "2"
    & skf21("3","3","3","1","1","3","3","1") = "2"
    & skf21("3","3","3","1","1","3","4","1") = "3"
    & skf21("3","3","3","1","1","3","5","1") = "4"
    & skf21("3","3","3","1","1","3","6","1") = "5"
    & skf21("3","3","3","1","1","3","7","1") = "6"
    & skf21("3","3","3","1","1","4","1","1") = "3"
    & skf21("3","3","3","1","1","4","2","1") = "3"
    & skf21("3","3","3","1","1","4","3","1") = "3"
    & skf21("3","3","3","1","1","4","4","1") = "3"
    & skf21("3","3","3","1","1","4","5","1") = "4"
    & skf21("3","3","3","1","1","4","6","1") = "5"
    & skf21("3","3","3","1","1","4","7","1") = "6"
    & skf21("3","3","3","1","1","5","1","1") = "4"
    & skf21("3","3","3","1","1","5","2","1") = "4"
    & skf21("3","3","3","1","1","5","3","1") = "4"
    & skf21("3","3","3","1","1","5","4","1") = "4"
    & skf21("3","3","3","1","1","5","5","1") = "4"
    & skf21("3","3","3","1","1","5","6","1") = "5"
    & skf21("3","3","3","1","1","5","7","1") = "6"
    & skf21("3","3","3","1","1","6","1","1") = "5"
    & skf21("3","3","3","1","1","6","2","1") = "5"
    & skf21("3","3","3","1","1","6","3","1") = "5"
    & skf21("3","3","3","1","1","6","4","1") = "5"
    & skf21("3","3","3","1","1","6","5","1") = "5"
    & skf21("3","3","3","1","1","6","6","1") = "5"
    & skf21("3","3","3","1","1","6","7","1") = "6"
    & skf21("3","3","3","1","1","7","1","1") = "6"
    & skf21("3","3","3","1","1","7","2","1") = "6"
    & skf21("3","3","3","1","1","7","3","1") = "6"
    & skf21("3","3","3","1","1","7","4","1") = "6"
    & skf21("3","3","3","1","1","7","5","1") = "6"
    & skf21("3","3","3","1","1","7","6","1") = "6"
    & skf21("3","3","3","1","1","7","7","1") = "6"
    & skf21("3","3","3","1","2","1","1","1") = "2"
    & skf21("3","3","3","1","2","1","2","1") = "2"
    & skf21("3","3","3","1","2","1","3","1") = "2"
    & skf21("3","3","3","1","2","1","4","1") = "3"
    & skf21("3","3","3","1","2","1","5","1") = "4"
    & skf21("3","3","3","1","2","1","6","1") = "5"
    & skf21("3","3","3","1","2","1","7","1") = "6"
    & skf21("3","3","3","1","2","2","1","1") = "2"
    & skf21("3","3","3","1","2","2","2","1") = "2"
    & skf21("3","3","3","1","2","2","3","1") = "2"
    & skf21("3","3","3","1","2","2","4","1") = "3"
    & skf21("3","3","3","1","2","2","5","1") = "4"
    & skf21("3","3","3","1","2","2","6","1") = "5"
    & skf21("3","3","3","1","2","2","7","1") = "6"
    & skf21("3","3","3","1","2","3","1","1") = "2"
    & skf21("3","3","3","1","2","3","2","1") = "2"
    & skf21("3","3","3","1","2","3","3","1") = "2"
    & skf21("3","3","3","1","2","3","4","1") = "3"
    & skf21("3","3","3","1","2","3","5","1") = "4"
    & skf21("3","3","3","1","2","3","6","1") = "5"
    & skf21("3","3","3","1","2","3","7","1") = "6"
    & skf21("3","3","3","1","2","4","1","1") = "3"
    & skf21("3","3","3","1","2","4","2","1") = "3"
    & skf21("3","3","3","1","2","4","3","1") = "3"
    & skf21("3","3","3","1","2","4","4","1") = "3"
    & skf21("3","3","3","1","2","4","5","1") = "4"
    & skf21("3","3","3","1","2","4","6","1") = "5"
    & skf21("3","3","3","1","2","4","7","1") = "6"
    & skf21("3","3","3","1","2","5","1","1") = "4"
    & skf21("3","3","3","1","2","5","2","1") = "4"
    & skf21("3","3","3","1","2","5","3","1") = "4"
    & skf21("3","3","3","1","2","5","4","1") = "4"
    & skf21("3","3","3","1","2","5","5","1") = "4"
    & skf21("3","3","3","1","2","5","6","1") = "5"
    & skf21("3","3","3","1","2","5","7","1") = "6"
    & skf21("3","3","3","1","2","6","1","1") = "5"
    & skf21("3","3","3","1","2","6","2","1") = "5"
    & skf21("3","3","3","1","2","6","3","1") = "5"
    & skf21("3","3","3","1","2","6","4","1") = "5"
    & skf21("3","3","3","1","2","6","5","1") = "5"
    & skf21("3","3","3","1","2","6","6","1") = "5"
    & skf21("3","3","3","1","2","6","7","1") = "6"
    & skf21("3","3","3","1","2","7","1","1") = "6"
    & skf21("3","3","3","1","2","7","2","1") = "6"
    & skf21("3","3","3","1","2","7","3","1") = "6"
    & skf21("3","3","3","1","2","7","4","1") = "6"
    & skf21("3","3","3","1","2","7","5","1") = "6"
    & skf21("3","3","3","1","2","7","6","1") = "6"
    & skf21("3","3","3","1","2","7","7","1") = "6"
    & skf21("3","3","3","1","3","1","1","1") = "2"
    & skf21("3","3","3","1","3","1","2","1") = "2"
    & skf21("3","3","3","1","3","1","3","1") = "2"
    & skf21("3","3","3","1","3","1","4","1") = "3"
    & skf21("3","3","3","1","3","1","5","1") = "4"
    & skf21("3","3","3","1","3","1","6","1") = "5"
    & skf21("3","3","3","1","3","1","7","1") = "6"
    & skf21("3","3","3","1","3","2","1","1") = "2"
    & skf21("3","3","3","1","3","2","2","1") = "2"
    & skf21("3","3","3","1","3","2","3","1") = "2"
    & skf21("3","3","3","1","3","2","4","1") = "3"
    & skf21("3","3","3","1","3","2","5","1") = "4"
    & skf21("3","3","3","1","3","2","6","1") = "5"
    & skf21("3","3","3","1","3","2","7","1") = "6"
    & skf21("3","3","3","1","3","3","1","1") = "2"
    & skf21("3","3","3","1","3","3","2","1") = "2"
    & skf21("3","3","3","1","3","3","3","1") = "2"
    & skf21("3","3","3","1","3","3","4","1") = "3"
    & skf21("3","3","3","1","3","3","5","1") = "4"
    & skf21("3","3","3","1","3","3","6","1") = "5"
    & skf21("3","3","3","1","3","3","7","1") = "6"
    & skf21("3","3","3","1","3","4","1","1") = "3"
    & skf21("3","3","3","1","3","4","2","1") = "3"
    & skf21("3","3","3","1","3","4","3","1") = "3"
    & skf21("3","3","3","1","3","4","4","1") = "3"
    & skf21("3","3","3","1","3","4","5","1") = "4"
    & skf21("3","3","3","1","3","4","6","1") = "5"
    & skf21("3","3","3","1","3","4","7","1") = "6"
    & skf21("3","3","3","1","3","5","1","1") = "4"
    & skf21("3","3","3","1","3","5","2","1") = "4"
    & skf21("3","3","3","1","3","5","3","1") = "4"
    & skf21("3","3","3","1","3","5","4","1") = "4"
    & skf21("3","3","3","1","3","5","5","1") = "4"
    & skf21("3","3","3","1","3","5","6","1") = "5"
    & skf21("3","3","3","1","3","5","7","1") = "6"
    & skf21("3","3","3","1","3","6","1","1") = "5"
    & skf21("3","3","3","1","3","6","2","1") = "5"
    & skf21("3","3","3","1","3","6","3","1") = "5"
    & skf21("3","3","3","1","3","6","4","1") = "5"
    & skf21("3","3","3","1","3","6","5","1") = "5"
    & skf21("3","3","3","1","3","6","6","1") = "5"
    & skf21("3","3","3","1","3","6","7","1") = "6"
    & skf21("3","3","3","1","3","7","1","1") = "6"
    & skf21("3","3","3","1","3","7","2","1") = "6"
    & skf21("3","3","3","1","3","7","3","1") = "6"
    & skf21("3","3","3","1","3","7","4","1") = "6"
    & skf21("3","3","3","1","3","7","5","1") = "6"
    & skf21("3","3","3","1","3","7","6","1") = "6"
    & skf21("3","3","3","1","3","7","7","1") = "6"
    & skf21("3","3","3","1","4","1","1","1") = "3"
    & skf21("3","3","3","1","4","1","2","1") = "3"
    & skf21("3","3","3","1","4","1","3","1") = "3"
    & skf21("3","3","3","1","4","1","4","1") = "3"
    & skf21("3","3","3","1","4","1","5","1") = "4"
    & skf21("3","3","3","1","4","1","6","1") = "5"
    & skf21("3","3","3","1","4","1","7","1") = "6"
    & skf21("3","3","3","1","4","2","1","1") = "3"
    & skf21("3","3","3","1","4","2","2","1") = "3"
    & skf21("3","3","3","1","4","2","3","1") = "3"
    & skf21("3","3","3","1","4","2","4","1") = "3"
    & skf21("3","3","3","1","4","2","5","1") = "4"
    & skf21("3","3","3","1","4","2","6","1") = "5"
    & skf21("3","3","3","1","4","2","7","1") = "6"
    & skf21("3","3","3","1","4","3","1","1") = "3"
    & skf21("3","3","3","1","4","3","2","1") = "3"
    & skf21("3","3","3","1","4","3","3","1") = "3"
    & skf21("3","3","3","1","4","3","4","1") = "3"
    & skf21("3","3","3","1","4","3","5","1") = "4"
    & skf21("3","3","3","1","4","3","6","1") = "5"
    & skf21("3","3","3","1","4","3","7","1") = "6"
    & skf21("3","3","3","1","4","4","1","1") = "3"
    & skf21("3","3","3","1","4","4","2","1") = "3"
    & skf21("3","3","3","1","4","4","3","1") = "3"
    & skf21("3","3","3","1","4","4","4","1") = "3"
    & skf21("3","3","3","1","4","4","5","1") = "4"
    & skf21("3","3","3","1","4","4","6","1") = "5"
    & skf21("3","3","3","1","4","4","7","1") = "6"
    & skf21("3","3","3","1","4","5","1","1") = "4"
    & skf21("3","3","3","1","4","5","2","1") = "4"
    & skf21("3","3","3","1","4","5","3","1") = "4"
    & skf21("3","3","3","1","4","5","4","1") = "4"
    & skf21("3","3","3","1","4","5","5","1") = "4"
    & skf21("3","3","3","1","4","5","6","1") = "5"
    & skf21("3","3","3","1","4","5","7","1") = "6"
    & skf21("3","3","3","1","4","6","1","1") = "5"
    & skf21("3","3","3","1","4","6","2","1") = "5"
    & skf21("3","3","3","1","4","6","3","1") = "5"
    & skf21("3","3","3","1","4","6","4","1") = "5"
    & skf21("3","3","3","1","4","6","5","1") = "5"
    & skf21("3","3","3","1","4","6","6","1") = "5"
    & skf21("3","3","3","1","4","6","7","1") = "6"
    & skf21("3","3","3","1","4","7","1","1") = "6"
    & skf21("3","3","3","1","4","7","2","1") = "6"
    & skf21("3","3","3","1","4","7","3","1") = "6"
    & skf21("3","3","3","1","4","7","4","1") = "6"
    & skf21("3","3","3","1","4","7","5","1") = "6"
    & skf21("3","3","3","1","4","7","6","1") = "6"
    & skf21("3","3","3","1","4","7","7","1") = "6"
    & skf21("3","3","3","1","5","1","1","1") = "4"
    & skf21("3","3","3","1","5","1","2","1") = "4"
    & skf21("3","3","3","1","5","1","3","1") = "4"
    & skf21("3","3","3","1","5","1","4","1") = "4"
    & skf21("3","3","3","1","5","1","5","1") = "4"
    & skf21("3","3","3","1","5","1","6","1") = "5"
    & skf21("3","3","3","1","5","1","7","1") = "6"
    & skf21("3","3","3","1","5","2","1","1") = "4"
    & skf21("3","3","3","1","5","2","2","1") = "4"
    & skf21("3","3","3","1","5","2","3","1") = "4"
    & skf21("3","3","3","1","5","2","4","1") = "4"
    & skf21("3","3","3","1","5","2","5","1") = "4"
    & skf21("3","3","3","1","5","2","6","1") = "5"
    & skf21("3","3","3","1","5","2","7","1") = "6"
    & skf21("3","3","3","1","5","3","1","1") = "4"
    & skf21("3","3","3","1","5","3","2","1") = "4"
    & skf21("3","3","3","1","5","3","3","1") = "4"
    & skf21("3","3","3","1","5","3","4","1") = "4"
    & skf21("3","3","3","1","5","3","5","1") = "4"
    & skf21("3","3","3","1","5","3","6","1") = "5"
    & skf21("3","3","3","1","5","3","7","1") = "6"
    & skf21("3","3","3","1","5","4","1","1") = "4"
    & skf21("3","3","3","1","5","4","2","1") = "4"
    & skf21("3","3","3","1","5","4","3","1") = "4"
    & skf21("3","3","3","1","5","4","4","1") = "4"
    & skf21("3","3","3","1","5","4","5","1") = "4"
    & skf21("3","3","3","1","5","4","6","1") = "5"
    & skf21("3","3","3","1","5","4","7","1") = "6"
    & skf21("3","3","3","1","5","5","1","1") = "4"
    & skf21("3","3","3","1","5","5","2","1") = "4"
    & skf21("3","3","3","1","5","5","3","1") = "4"
    & skf21("3","3","3","1","5","5","4","1") = "4"
    & skf21("3","3","3","1","5","5","5","1") = "4"
    & skf21("3","3","3","1","5","5","6","1") = "5"
    & skf21("3","3","3","1","5","5","7","1") = "6"
    & skf21("3","3","3","1","5","6","1","1") = "5"
    & skf21("3","3","3","1","5","6","2","1") = "5"
    & skf21("3","3","3","1","5","6","3","1") = "5"
    & skf21("3","3","3","1","5","6","4","1") = "5"
    & skf21("3","3","3","1","5","6","5","1") = "5"
    & skf21("3","3","3","1","5","6","6","1") = "5"
    & skf21("3","3","3","1","5","6","7","1") = "6"
    & skf21("3","3","3","1","5","7","1","1") = "6"
    & skf21("3","3","3","1","5","7","2","1") = "6"
    & skf21("3","3","3","1","5","7","3","1") = "6"
    & skf21("3","3","3","1","5","7","4","1") = "6"
    & skf21("3","3","3","1","5","7","5","1") = "6"
    & skf21("3","3","3","1","5","7","6","1") = "6"
    & skf21("3","3","3","1","5","7","7","1") = "6"
    & skf21("3","3","3","1","6","1","1","1") = "5"
    & skf21("3","3","3","1","6","1","2","1") = "5"
    & skf21("3","3","3","1","6","1","3","1") = "5"
    & skf21("3","3","3","1","6","1","4","1") = "5"
    & skf21("3","3","3","1","6","1","5","1") = "5"
    & skf21("3","3","3","1","6","1","6","1") = "5"
    & skf21("3","3","3","1","6","1","7","1") = "6"
    & skf21("3","3","3","1","6","2","1","1") = "5"
    & skf21("3","3","3","1","6","2","2","1") = "5"
    & skf21("3","3","3","1","6","2","3","1") = "5"
    & skf21("3","3","3","1","6","2","4","1") = "5"
    & skf21("3","3","3","1","6","2","5","1") = "5"
    & skf21("3","3","3","1","6","2","6","1") = "5"
    & skf21("3","3","3","1","6","2","7","1") = "6"
    & skf21("3","3","3","1","6","3","1","1") = "5"
    & skf21("3","3","3","1","6","3","2","1") = "5"
    & skf21("3","3","3","1","6","3","3","1") = "5"
    & skf21("3","3","3","1","6","3","4","1") = "5"
    & skf21("3","3","3","1","6","3","5","1") = "5"
    & skf21("3","3","3","1","6","3","6","1") = "5"
    & skf21("3","3","3","1","6","3","7","1") = "6"
    & skf21("3","3","3","1","6","4","1","1") = "5"
    & skf21("3","3","3","1","6","4","2","1") = "5"
    & skf21("3","3","3","1","6","4","3","1") = "5"
    & skf21("3","3","3","1","6","4","4","1") = "5"
    & skf21("3","3","3","1","6","4","5","1") = "5"
    & skf21("3","3","3","1","6","4","6","1") = "5"
    & skf21("3","3","3","1","6","4","7","1") = "6"
    & skf21("3","3","3","1","6","5","1","1") = "5"
    & skf21("3","3","3","1","6","5","2","1") = "5"
    & skf21("3","3","3","1","6","5","3","1") = "5"
    & skf21("3","3","3","1","6","5","4","1") = "5"
    & skf21("3","3","3","1","6","5","5","1") = "5"
    & skf21("3","3","3","1","6","5","6","1") = "5"
    & skf21("3","3","3","1","6","5","7","1") = "6"
    & skf21("3","3","3","1","6","6","1","1") = "5"
    & skf21("3","3","3","1","6","6","2","1") = "5"
    & skf21("3","3","3","1","6","6","3","1") = "5"
    & skf21("3","3","3","1","6","6","4","1") = "5"
    & skf21("3","3","3","1","6","6","5","1") = "5"
    & skf21("3","3","3","1","6","6","6","1") = "5"
    & skf21("3","3","3","1","6","6","7","1") = "6"
    & skf21("3","3","3","1","6","7","1","1") = "6"
    & skf21("3","3","3","1","6","7","2","1") = "6"
    & skf21("3","3","3","1","6","7","3","1") = "6"
    & skf21("3","3","3","1","6","7","4","1") = "6"
    & skf21("3","3","3","1","6","7","5","1") = "6"
    & skf21("3","3","3","1","6","7","6","1") = "6"
    & skf21("3","3","3","1","6","7","7","1") = "6"
    & skf21("3","3","3","1","7","1","1","1") = "6"
    & skf21("3","3","3","1","7","1","2","1") = "6"
    & skf21("3","3","3","1","7","1","3","1") = "6"
    & skf21("3","3","3","1","7","1","4","1") = "6"
    & skf21("3","3","3","1","7","1","5","1") = "6"
    & skf21("3","3","3","1","7","1","6","1") = "6"
    & skf21("3","3","3","1","7","1","7","1") = "6"
    & skf21("3","3","3","1","7","2","1","1") = "6"
    & skf21("3","3","3","1","7","2","2","1") = "6"
    & skf21("3","3","3","1","7","2","3","1") = "6"
    & skf21("3","3","3","1","7","2","4","1") = "6"
    & skf21("3","3","3","1","7","2","5","1") = "6"
    & skf21("3","3","3","1","7","2","6","1") = "6"
    & skf21("3","3","3","1","7","2","7","1") = "6"
    & skf21("3","3","3","1","7","3","1","1") = "6"
    & skf21("3","3","3","1","7","3","2","1") = "6"
    & skf21("3","3","3","1","7","3","3","1") = "6"
    & skf21("3","3","3","1","7","3","4","1") = "6"
    & skf21("3","3","3","1","7","3","5","1") = "6"
    & skf21("3","3","3","1","7","3","6","1") = "6"
    & skf21("3","3","3","1","7","3","7","1") = "6"
    & skf21("3","3","3","1","7","4","1","1") = "6"
    & skf21("3","3","3","1","7","4","2","1") = "6"
    & skf21("3","3","3","1","7","4","3","1") = "6"
    & skf21("3","3","3","1","7","4","4","1") = "6"
    & skf21("3","3","3","1","7","4","5","1") = "6"
    & skf21("3","3","3","1","7","4","6","1") = "6"
    & skf21("3","3","3","1","7","4","7","1") = "6"
    & skf21("3","3","3","1","7","5","1","1") = "6"
    & skf21("3","3","3","1","7","5","2","1") = "6"
    & skf21("3","3","3","1","7","5","3","1") = "6"
    & skf21("3","3","3","1","7","5","4","1") = "6"
    & skf21("3","3","3","1","7","5","5","1") = "6"
    & skf21("3","3","3","1","7","5","6","1") = "6"
    & skf21("3","3","3","1","7","5","7","1") = "6"
    & skf21("3","3","3","1","7","6","1","1") = "6"
    & skf21("3","3","3","1","7","6","2","1") = "6"
    & skf21("3","3","3","1","7","6","3","1") = "6"
    & skf21("3","3","3","1","7","6","4","1") = "6"
    & skf21("3","3","3","1","7","6","5","1") = "6"
    & skf21("3","3","3","1","7","6","6","1") = "6"
    & skf21("3","3","3","1","7","6","7","1") = "6"
    & skf21("3","3","3","1","7","7","1","1") = "6"
    & skf21("3","3","3","1","7","7","2","1") = "6"
    & skf21("3","3","3","1","7","7","3","1") = "6"
    & skf21("3","3","3","1","7","7","4","1") = "6"
    & skf21("3","3","3","1","7","7","5","1") = "6"
    & skf21("3","3","3","1","7","7","6","1") = "6"
    & skf21("3","3","3","1","7","7","7","1") = "6"
    & skf21("3","3","3","2","1","1","1","1") = "2"
    & skf21("3","3","3","2","1","1","2","1") = "2"
    & skf21("3","3","3","2","1","1","3","1") = "2"
    & skf21("3","3","3","2","1","1","4","1") = "3"
    & skf21("3","3","3","2","1","1","5","1") = "4"
    & skf21("3","3","3","2","1","1","6","1") = "5"
    & skf21("3","3","3","2","1","1","7","1") = "6"
    & skf21("3","3","3","2","1","2","1","1") = "2"
    & skf21("3","3","3","2","1","2","2","1") = "2"
    & skf21("3","3","3","2","1","2","3","1") = "2"
    & skf21("3","3","3","2","1","2","4","1") = "3"
    & skf21("3","3","3","2","1","2","5","1") = "4"
    & skf21("3","3","3","2","1","2","6","1") = "5"
    & skf21("3","3","3","2","1","2","7","1") = "6"
    & skf21("3","3","3","2","1","3","1","1") = "2"
    & skf21("3","3","3","2","1","3","2","1") = "2"
    & skf21("3","3","3","2","1","3","3","1") = "2"
    & skf21("3","3","3","2","1","3","4","1") = "3"
    & skf21("3","3","3","2","1","3","5","1") = "4"
    & skf21("3","3","3","2","1","3","6","1") = "5"
    & skf21("3","3","3","2","1","3","7","1") = "6"
    & skf21("3","3","3","2","1","4","1","1") = "3"
    & skf21("3","3","3","2","1","4","2","1") = "3"
    & skf21("3","3","3","2","1","4","3","1") = "3"
    & skf21("3","3","3","2","1","4","4","1") = "3"
    & skf21("3","3","3","2","1","4","5","1") = "4"
    & skf21("3","3","3","2","1","4","6","1") = "5"
    & skf21("3","3","3","2","1","4","7","1") = "6"
    & skf21("3","3","3","2","1","5","1","1") = "4"
    & skf21("3","3","3","2","1","5","2","1") = "4"
    & skf21("3","3","3","2","1","5","3","1") = "4"
    & skf21("3","3","3","2","1","5","4","1") = "4"
    & skf21("3","3","3","2","1","5","5","1") = "4"
    & skf21("3","3","3","2","1","5","6","1") = "5"
    & skf21("3","3","3","2","1","5","7","1") = "6"
    & skf21("3","3","3","2","1","6","1","1") = "5"
    & skf21("3","3","3","2","1","6","2","1") = "5"
    & skf21("3","3","3","2","1","6","3","1") = "5"
    & skf21("3","3","3","2","1","6","4","1") = "5"
    & skf21("3","3","3","2","1","6","5","1") = "5"
    & skf21("3","3","3","2","1","6","6","1") = "5"
    & skf21("3","3","3","2","1","6","7","1") = "6"
    & skf21("3","3","3","2","1","7","1","1") = "6"
    & skf21("3","3","3","2","1","7","2","1") = "6"
    & skf21("3","3","3","2","1","7","3","1") = "6"
    & skf21("3","3","3","2","1","7","4","1") = "6"
    & skf21("3","3","3","2","1","7","5","1") = "6"
    & skf21("3","3","3","2","1","7","6","1") = "6"
    & skf21("3","3","3","2","1","7","7","1") = "6"
    & skf21("3","3","3","2","2","1","1","1") = "2"
    & skf21("3","3","3","2","2","1","2","1") = "2"
    & skf21("3","3","3","2","2","1","3","1") = "2"
    & skf21("3","3","3","2","2","1","4","1") = "3"
    & skf21("3","3","3","2","2","1","5","1") = "4"
    & skf21("3","3","3","2","2","1","6","1") = "5"
    & skf21("3","3","3","2","2","1","7","1") = "6"
    & skf21("3","3","3","2","2","2","1","1") = "2"
    & skf21("3","3","3","2","2","2","2","1") = "2"
    & skf21("3","3","3","2","2","2","3","1") = "2"
    & skf21("3","3","3","2","2","2","4","1") = "3"
    & skf21("3","3","3","2","2","2","5","1") = "4"
    & skf21("3","3","3","2","2","2","6","1") = "5"
    & skf21("3","3","3","2","2","2","7","1") = "6"
    & skf21("3","3","3","2","2","3","1","1") = "2"
    & skf21("3","3","3","2","2","3","2","1") = "2"
    & skf21("3","3","3","2","2","3","3","1") = "2"
    & skf21("3","3","3","2","2","3","4","1") = "3"
    & skf21("3","3","3","2","2","3","5","1") = "4"
    & skf21("3","3","3","2","2","3","6","1") = "5"
    & skf21("3","3","3","2","2","3","7","1") = "6"
    & skf21("3","3","3","2","2","4","1","1") = "3"
    & skf21("3","3","3","2","2","4","2","1") = "3"
    & skf21("3","3","3","2","2","4","3","1") = "3"
    & skf21("3","3","3","2","2","4","4","1") = "3"
    & skf21("3","3","3","2","2","4","5","1") = "4"
    & skf21("3","3","3","2","2","4","6","1") = "5"
    & skf21("3","3","3","2","2","4","7","1") = "6"
    & skf21("3","3","3","2","2","5","1","1") = "4"
    & skf21("3","3","3","2","2","5","2","1") = "4"
    & skf21("3","3","3","2","2","5","3","1") = "4"
    & skf21("3","3","3","2","2","5","4","1") = "4"
    & skf21("3","3","3","2","2","5","5","1") = "4"
    & skf21("3","3","3","2","2","5","6","1") = "5"
    & skf21("3","3","3","2","2","5","7","1") = "6"
    & skf21("3","3","3","2","2","6","1","1") = "5"
    & skf21("3","3","3","2","2","6","2","1") = "5"
    & skf21("3","3","3","2","2","6","3","1") = "5"
    & skf21("3","3","3","2","2","6","4","1") = "5"
    & skf21("3","3","3","2","2","6","5","1") = "5"
    & skf21("3","3","3","2","2","6","6","1") = "5"
    & skf21("3","3","3","2","2","6","7","1") = "6"
    & skf21("3","3","3","2","2","7","1","1") = "6"
    & skf21("3","3","3","2","2","7","2","1") = "6"
    & skf21("3","3","3","2","2","7","3","1") = "6"
    & skf21("3","3","3","2","2","7","4","1") = "6"
    & skf21("3","3","3","2","2","7","5","1") = "6"
    & skf21("3","3","3","2","2","7","6","1") = "6"
    & skf21("3","3","3","2","2","7","7","1") = "6"
    & skf21("3","3","3","2","3","1","1","1") = "2"
    & skf21("3","3","3","2","3","1","2","1") = "2"
    & skf21("3","3","3","2","3","1","3","1") = "2"
    & skf21("3","3","3","2","3","1","4","1") = "3"
    & skf21("3","3","3","2","3","1","5","1") = "4"
    & skf21("3","3","3","2","3","1","6","1") = "5"
    & skf21("3","3","3","2","3","1","7","1") = "6"
    & skf21("3","3","3","2","3","2","1","1") = "2"
    & skf21("3","3","3","2","3","2","2","1") = "2"
    & skf21("3","3","3","2","3","2","3","1") = "2"
    & skf21("3","3","3","2","3","2","4","1") = "3"
    & skf21("3","3","3","2","3","2","5","1") = "4"
    & skf21("3","3","3","2","3","2","6","1") = "5"
    & skf21("3","3","3","2","3","2","7","1") = "6"
    & skf21("3","3","3","2","3","3","1","1") = "2"
    & skf21("3","3","3","2","3","3","2","1") = "2"
    & skf21("3","3","3","2","3","3","3","1") = "2"
    & skf21("3","3","3","2","3","3","4","1") = "3"
    & skf21("3","3","3","2","3","3","5","1") = "4"
    & skf21("3","3","3","2","3","3","6","1") = "5"
    & skf21("3","3","3","2","3","3","7","1") = "6"
    & skf21("3","3","3","2","3","4","1","1") = "3"
    & skf21("3","3","3","2","3","4","2","1") = "3"
    & skf21("3","3","3","2","3","4","3","1") = "3"
    & skf21("3","3","3","2","3","4","4","1") = "3"
    & skf21("3","3","3","2","3","4","5","1") = "4"
    & skf21("3","3","3","2","3","4","6","1") = "5"
    & skf21("3","3","3","2","3","4","7","1") = "6"
    & skf21("3","3","3","2","3","5","1","1") = "4"
    & skf21("3","3","3","2","3","5","2","1") = "4"
    & skf21("3","3","3","2","3","5","3","1") = "4"
    & skf21("3","3","3","2","3","5","4","1") = "4"
    & skf21("3","3","3","2","3","5","5","1") = "4"
    & skf21("3","3","3","2","3","5","6","1") = "5"
    & skf21("3","3","3","2","3","5","7","1") = "6"
    & skf21("3","3","3","2","3","6","1","1") = "5"
    & skf21("3","3","3","2","3","6","2","1") = "5"
    & skf21("3","3","3","2","3","6","3","1") = "5"
    & skf21("3","3","3","2","3","6","4","1") = "5"
    & skf21("3","3","3","2","3","6","5","1") = "5"
    & skf21("3","3","3","2","3","6","6","1") = "5"
    & skf21("3","3","3","2","3","6","7","1") = "6"
    & skf21("3","3","3","2","3","7","1","1") = "6"
    & skf21("3","3","3","2","3","7","2","1") = "6"
    & skf21("3","3","3","2","3","7","3","1") = "6"
    & skf21("3","3","3","2","3","7","4","1") = "6"
    & skf21("3","3","3","2","3","7","5","1") = "6"
    & skf21("3","3","3","2","3","7","6","1") = "6"
    & skf21("3","3","3","2","3","7","7","1") = "6"
    & skf21("3","3","3","2","4","1","1","1") = "3"
    & skf21("3","3","3","2","4","1","2","1") = "3"
    & skf21("3","3","3","2","4","1","3","1") = "3"
    & skf21("3","3","3","2","4","1","4","1") = "3"
    & skf21("3","3","3","2","4","1","5","1") = "4"
    & skf21("3","3","3","2","4","1","6","1") = "5"
    & skf21("3","3","3","2","4","1","7","1") = "6"
    & skf21("3","3","3","2","4","2","1","1") = "3"
    & skf21("3","3","3","2","4","2","2","1") = "3"
    & skf21("3","3","3","2","4","2","3","1") = "3"
    & skf21("3","3","3","2","4","2","4","1") = "3"
    & skf21("3","3","3","2","4","2","5","1") = "4"
    & skf21("3","3","3","2","4","2","6","1") = "5"
    & skf21("3","3","3","2","4","2","7","1") = "6"
    & skf21("3","3","3","2","4","3","1","1") = "3"
    & skf21("3","3","3","2","4","3","2","1") = "3"
    & skf21("3","3","3","2","4","3","3","1") = "3"
    & skf21("3","3","3","2","4","3","4","1") = "3"
    & skf21("3","3","3","2","4","3","5","1") = "4"
    & skf21("3","3","3","2","4","3","6","1") = "5"
    & skf21("3","3","3","2","4","3","7","1") = "6"
    & skf21("3","3","3","2","4","4","1","1") = "3"
    & skf21("3","3","3","2","4","4","2","1") = "3"
    & skf21("3","3","3","2","4","4","3","1") = "3"
    & skf21("3","3","3","2","4","4","4","1") = "3"
    & skf21("3","3","3","2","4","4","5","1") = "4"
    & skf21("3","3","3","2","4","4","6","1") = "5"
    & skf21("3","3","3","2","4","4","7","1") = "6"
    & skf21("3","3","3","2","4","5","1","1") = "4"
    & skf21("3","3","3","2","4","5","2","1") = "4"
    & skf21("3","3","3","2","4","5","3","1") = "4"
    & skf21("3","3","3","2","4","5","4","1") = "4"
    & skf21("3","3","3","2","4","5","5","1") = "4"
    & skf21("3","3","3","2","4","5","6","1") = "5"
    & skf21("3","3","3","2","4","5","7","1") = "6"
    & skf21("3","3","3","2","4","6","1","1") = "5"
    & skf21("3","3","3","2","4","6","2","1") = "5"
    & skf21("3","3","3","2","4","6","3","1") = "5"
    & skf21("3","3","3","2","4","6","4","1") = "5"
    & skf21("3","3","3","2","4","6","5","1") = "5"
    & skf21("3","3","3","2","4","6","6","1") = "5"
    & skf21("3","3","3","2","4","6","7","1") = "6"
    & skf21("3","3","3","2","4","7","1","1") = "6"
    & skf21("3","3","3","2","4","7","2","1") = "6"
    & skf21("3","3","3","2","4","7","3","1") = "6"
    & skf21("3","3","3","2","4","7","4","1") = "6"
    & skf21("3","3","3","2","4","7","5","1") = "6"
    & skf21("3","3","3","2","4","7","6","1") = "6"
    & skf21("3","3","3","2","4","7","7","1") = "6"
    & skf21("3","3","3","2","5","1","1","1") = "4"
    & skf21("3","3","3","2","5","1","2","1") = "4"
    & skf21("3","3","3","2","5","1","3","1") = "4"
    & skf21("3","3","3","2","5","1","4","1") = "4"
    & skf21("3","3","3","2","5","1","5","1") = "4"
    & skf21("3","3","3","2","5","1","6","1") = "5"
    & skf21("3","3","3","2","5","1","7","1") = "6"
    & skf21("3","3","3","2","5","2","1","1") = "4"
    & skf21("3","3","3","2","5","2","2","1") = "4"
    & skf21("3","3","3","2","5","2","3","1") = "4"
    & skf21("3","3","3","2","5","2","4","1") = "4"
    & skf21("3","3","3","2","5","2","5","1") = "4"
    & skf21("3","3","3","2","5","2","6","1") = "5"
    & skf21("3","3","3","2","5","2","7","1") = "6"
    & skf21("3","3","3","2","5","3","1","1") = "4"
    & skf21("3","3","3","2","5","3","2","1") = "4"
    & skf21("3","3","3","2","5","3","3","1") = "4"
    & skf21("3","3","3","2","5","3","4","1") = "4"
    & skf21("3","3","3","2","5","3","5","1") = "4"
    & skf21("3","3","3","2","5","3","6","1") = "5"
    & skf21("3","3","3","2","5","3","7","1") = "6"
    & skf21("3","3","3","2","5","4","1","1") = "4"
    & skf21("3","3","3","2","5","4","2","1") = "4"
    & skf21("3","3","3","2","5","4","3","1") = "4"
    & skf21("3","3","3","2","5","4","4","1") = "4"
    & skf21("3","3","3","2","5","4","5","1") = "4"
    & skf21("3","3","3","2","5","4","6","1") = "5"
    & skf21("3","3","3","2","5","4","7","1") = "6"
    & skf21("3","3","3","2","5","5","1","1") = "4"
    & skf21("3","3","3","2","5","5","2","1") = "4"
    & skf21("3","3","3","2","5","5","3","1") = "4"
    & skf21("3","3","3","2","5","5","4","1") = "4"
    & skf21("3","3","3","2","5","5","5","1") = "4"
    & skf21("3","3","3","2","5","5","6","1") = "5"
    & skf21("3","3","3","2","5","5","7","1") = "6"
    & skf21("3","3","3","2","5","6","1","1") = "5"
    & skf21("3","3","3","2","5","6","2","1") = "5"
    & skf21("3","3","3","2","5","6","3","1") = "5"
    & skf21("3","3","3","2","5","6","4","1") = "5"
    & skf21("3","3","3","2","5","6","5","1") = "5"
    & skf21("3","3","3","2","5","6","6","1") = "5"
    & skf21("3","3","3","2","5","6","7","1") = "6"
    & skf21("3","3","3","2","5","7","1","1") = "6"
    & skf21("3","3","3","2","5","7","2","1") = "6"
    & skf21("3","3","3","2","5","7","3","1") = "6"
    & skf21("3","3","3","2","5","7","4","1") = "6"
    & skf21("3","3","3","2","5","7","5","1") = "6"
    & skf21("3","3","3","2","5","7","6","1") = "6"
    & skf21("3","3","3","2","5","7","7","1") = "6"
    & skf21("3","3","3","2","6","1","1","1") = "5"
    & skf21("3","3","3","2","6","1","2","1") = "5"
    & skf21("3","3","3","2","6","1","3","1") = "5"
    & skf21("3","3","3","2","6","1","4","1") = "5"
    & skf21("3","3","3","2","6","1","5","1") = "5"
    & skf21("3","3","3","2","6","1","6","1") = "5"
    & skf21("3","3","3","2","6","1","7","1") = "6"
    & skf21("3","3","3","2","6","2","1","1") = "5"
    & skf21("3","3","3","2","6","2","2","1") = "5"
    & skf21("3","3","3","2","6","2","3","1") = "5"
    & skf21("3","3","3","2","6","2","4","1") = "5"
    & skf21("3","3","3","2","6","2","5","1") = "5"
    & skf21("3","3","3","2","6","2","6","1") = "5"
    & skf21("3","3","3","2","6","2","7","1") = "6"
    & skf21("3","3","3","2","6","3","1","1") = "5"
    & skf21("3","3","3","2","6","3","2","1") = "5"
    & skf21("3","3","3","2","6","3","3","1") = "5"
    & skf21("3","3","3","2","6","3","4","1") = "5"
    & skf21("3","3","3","2","6","3","5","1") = "5"
    & skf21("3","3","3","2","6","3","6","1") = "5"
    & skf21("3","3","3","2","6","3","7","1") = "6"
    & skf21("3","3","3","2","6","4","1","1") = "5"
    & skf21("3","3","3","2","6","4","2","1") = "5"
    & skf21("3","3","3","2","6","4","3","1") = "5"
    & skf21("3","3","3","2","6","4","4","1") = "5"
    & skf21("3","3","3","2","6","4","5","1") = "5"
    & skf21("3","3","3","2","6","4","6","1") = "5"
    & skf21("3","3","3","2","6","4","7","1") = "6"
    & skf21("3","3","3","2","6","5","1","1") = "5"
    & skf21("3","3","3","2","6","5","2","1") = "5"
    & skf21("3","3","3","2","6","5","3","1") = "5"
    & skf21("3","3","3","2","6","5","4","1") = "5"
    & skf21("3","3","3","2","6","5","5","1") = "5"
    & skf21("3","3","3","2","6","5","6","1") = "5"
    & skf21("3","3","3","2","6","5","7","1") = "6"
    & skf21("3","3","3","2","6","6","1","1") = "5"
    & skf21("3","3","3","2","6","6","2","1") = "5"
    & skf21("3","3","3","2","6","6","3","1") = "5"
    & skf21("3","3","3","2","6","6","4","1") = "5"
    & skf21("3","3","3","2","6","6","5","1") = "5"
    & skf21("3","3","3","2","6","6","6","1") = "5"
    & skf21("3","3","3","2","6","6","7","1") = "6"
    & skf21("3","3","3","2","6","7","1","1") = "6"
    & skf21("3","3","3","2","6","7","2","1") = "6"
    & skf21("3","3","3","2","6","7","3","1") = "6"
    & skf21("3","3","3","2","6","7","4","1") = "6"
    & skf21("3","3","3","2","6","7","5","1") = "6"
    & skf21("3","3","3","2","6","7","6","1") = "6"
    & skf21("3","3","3","2","6","7","7","1") = "6"
    & skf21("3","3","3","2","7","1","1","1") = "6"
    & skf21("3","3","3","2","7","1","2","1") = "6"
    & skf21("3","3","3","2","7","1","3","1") = "6"
    & skf21("3","3","3","2","7","1","4","1") = "6"
    & skf21("3","3","3","2","7","1","5","1") = "6"
    & skf21("3","3","3","2","7","1","6","1") = "6"
    & skf21("3","3","3","2","7","1","7","1") = "6"
    & skf21("3","3","3","2","7","2","1","1") = "6"
    & skf21("3","3","3","2","7","2","2","1") = "6"
    & skf21("3","3","3","2","7","2","3","1") = "6"
    & skf21("3","3","3","2","7","2","4","1") = "6"
    & skf21("3","3","3","2","7","2","5","1") = "6"
    & skf21("3","3","3","2","7","2","6","1") = "6"
    & skf21("3","3","3","2","7","2","7","1") = "6"
    & skf21("3","3","3","2","7","3","1","1") = "6"
    & skf21("3","3","3","2","7","3","2","1") = "6"
    & skf21("3","3","3","2","7","3","3","1") = "6"
    & skf21("3","3","3","2","7","3","4","1") = "6"
    & skf21("3","3","3","2","7","3","5","1") = "6"
    & skf21("3","3","3","2","7","3","6","1") = "6"
    & skf21("3","3","3","2","7","3","7","1") = "6"
    & skf21("3","3","3","2","7","4","1","1") = "6"
    & skf21("3","3","3","2","7","4","2","1") = "6"
    & skf21("3","3","3","2","7","4","3","1") = "6"
    & skf21("3","3","3","2","7","4","4","1") = "6"
    & skf21("3","3","3","2","7","4","5","1") = "6"
    & skf21("3","3","3","2","7","4","6","1") = "6"
    & skf21("3","3","3","2","7","4","7","1") = "6"
    & skf21("3","3","3","2","7","5","1","1") = "6"
    & skf21("3","3","3","2","7","5","2","1") = "6"
    & skf21("3","3","3","2","7","5","3","1") = "6"
    & skf21("3","3","3","2","7","5","4","1") = "6"
    & skf21("3","3","3","2","7","5","5","1") = "6"
    & skf21("3","3","3","2","7","5","6","1") = "6"
    & skf21("3","3","3","2","7","5","7","1") = "6"
    & skf21("3","3","3","2","7","6","1","1") = "6"
    & skf21("3","3","3","2","7","6","2","1") = "6"
    & skf21("3","3","3","2","7","6","3","1") = "6"
    & skf21("3","3","3","2","7","6","4","1") = "6"
    & skf21("3","3","3","2","7","6","5","1") = "6"
    & skf21("3","3","3","2","7","6","6","1") = "6"
    & skf21("3","3","3","2","7","6","7","1") = "6"
    & skf21("3","3","3","2","7","7","1","1") = "6"
    & skf21("3","3","3","2","7","7","2","1") = "6"
    & skf21("3","3","3","2","7","7","3","1") = "6"
    & skf21("3","3","3","2","7","7","4","1") = "6"
    & skf21("3","3","3","2","7","7","5","1") = "6"
    & skf21("3","3","3","2","7","7","6","1") = "6"
    & skf21("3","3","3","2","7","7","7","1") = "6"
    & skf21("3","3","3","3","1","1","1","1") = "2"
    & skf21("3","3","3","3","1","1","2","1") = "2"
    & skf21("3","3","3","3","1","1","3","1") = "2"
    & skf21("3","3","3","3","1","1","4","1") = "3"
    & skf21("3","3","3","3","1","1","5","1") = "4"
    & skf21("3","3","3","3","1","1","6","1") = "5"
    & skf21("3","3","3","3","1","1","7","1") = "6"
    & skf21("3","3","3","3","1","2","1","1") = "2"
    & skf21("3","3","3","3","1","2","2","1") = "2"
    & skf21("3","3","3","3","1","2","3","1") = "2"
    & skf21("3","3","3","3","1","2","4","1") = "3"
    & skf21("3","3","3","3","1","2","5","1") = "4"
    & skf21("3","3","3","3","1","2","6","1") = "5"
    & skf21("3","3","3","3","1","2","7","1") = "6"
    & skf21("3","3","3","3","1","3","1","1") = "2"
    & skf21("3","3","3","3","1","3","2","1") = "2"
    & skf21("3","3","3","3","1","3","3","1") = "2"
    & skf21("3","3","3","3","1","3","4","1") = "3"
    & skf21("3","3","3","3","1","3","5","1") = "4"
    & skf21("3","3","3","3","1","3","6","1") = "5"
    & skf21("3","3","3","3","1","3","7","1") = "6"
    & skf21("3","3","3","3","1","4","1","1") = "3"
    & skf21("3","3","3","3","1","4","2","1") = "3"
    & skf21("3","3","3","3","1","4","3","1") = "3"
    & skf21("3","3","3","3","1","4","4","1") = "3"
    & skf21("3","3","3","3","1","4","5","1") = "4"
    & skf21("3","3","3","3","1","4","6","1") = "5"
    & skf21("3","3","3","3","1","4","7","1") = "6"
    & skf21("3","3","3","3","1","5","1","1") = "4"
    & skf21("3","3","3","3","1","5","2","1") = "4"
    & skf21("3","3","3","3","1","5","3","1") = "4"
    & skf21("3","3","3","3","1","5","4","1") = "4"
    & skf21("3","3","3","3","1","5","5","1") = "4"
    & skf21("3","3","3","3","1","5","6","1") = "5"
    & skf21("3","3","3","3","1","5","7","1") = "6"
    & skf21("3","3","3","3","1","6","1","1") = "5"
    & skf21("3","3","3","3","1","6","2","1") = "5"
    & skf21("3","3","3","3","1","6","3","1") = "5"
    & skf21("3","3","3","3","1","6","4","1") = "5"
    & skf21("3","3","3","3","1","6","5","1") = "5"
    & skf21("3","3","3","3","1","6","6","1") = "5"
    & skf21("3","3","3","3","1","6","7","1") = "6"
    & skf21("3","3","3","3","1","7","1","1") = "6"
    & skf21("3","3","3","3","1","7","2","1") = "6"
    & skf21("3","3","3","3","1","7","3","1") = "6"
    & skf21("3","3","3","3","1","7","4","1") = "6"
    & skf21("3","3","3","3","1","7","5","1") = "6"
    & skf21("3","3","3","3","1","7","6","1") = "6"
    & skf21("3","3","3","3","1","7","7","1") = "6"
    & skf21("3","3","3","3","2","1","1","1") = "2"
    & skf21("3","3","3","3","2","1","2","1") = "2"
    & skf21("3","3","3","3","2","1","3","1") = "2"
    & skf21("3","3","3","3","2","1","4","1") = "3"
    & skf21("3","3","3","3","2","1","5","1") = "4"
    & skf21("3","3","3","3","2","1","6","1") = "5"
    & skf21("3","3","3","3","2","1","7","1") = "6"
    & skf21("3","3","3","3","2","2","1","1") = "2"
    & skf21("3","3","3","3","2","2","2","1") = "2"
    & skf21("3","3","3","3","2","2","3","1") = "2"
    & skf21("3","3","3","3","2","2","4","1") = "3"
    & skf21("3","3","3","3","2","2","5","1") = "4"
    & skf21("3","3","3","3","2","2","6","1") = "5"
    & skf21("3","3","3","3","2","2","7","1") = "6"
    & skf21("3","3","3","3","2","3","1","1") = "2"
    & skf21("3","3","3","3","2","3","2","1") = "2"
    & skf21("3","3","3","3","2","3","3","1") = "2"
    & skf21("3","3","3","3","2","3","4","1") = "3"
    & skf21("3","3","3","3","2","3","5","1") = "4"
    & skf21("3","3","3","3","2","3","6","1") = "5"
    & skf21("3","3","3","3","2","3","7","1") = "6"
    & skf21("3","3","3","3","2","4","1","1") = "3"
    & skf21("3","3","3","3","2","4","2","1") = "3"
    & skf21("3","3","3","3","2","4","3","1") = "3"
    & skf21("3","3","3","3","2","4","4","1") = "3"
    & skf21("3","3","3","3","2","4","5","1") = "4"
    & skf21("3","3","3","3","2","4","6","1") = "5"
    & skf21("3","3","3","3","2","4","7","1") = "6"
    & skf21("3","3","3","3","2","5","1","1") = "4"
    & skf21("3","3","3","3","2","5","2","1") = "4"
    & skf21("3","3","3","3","2","5","3","1") = "4"
    & skf21("3","3","3","3","2","5","4","1") = "4"
    & skf21("3","3","3","3","2","5","5","1") = "4"
    & skf21("3","3","3","3","2","5","6","1") = "5"
    & skf21("3","3","3","3","2","5","7","1") = "6"
    & skf21("3","3","3","3","2","6","1","1") = "5"
    & skf21("3","3","3","3","2","6","2","1") = "5"
    & skf21("3","3","3","3","2","6","3","1") = "5"
    & skf21("3","3","3","3","2","6","4","1") = "5"
    & skf21("3","3","3","3","2","6","5","1") = "5"
    & skf21("3","3","3","3","2","6","6","1") = "5"
    & skf21("3","3","3","3","2","6","7","1") = "6"
    & skf21("3","3","3","3","2","7","1","1") = "6"
    & skf21("3","3","3","3","2","7","2","1") = "6"
    & skf21("3","3","3","3","2","7","3","1") = "6"
    & skf21("3","3","3","3","2","7","4","1") = "6"
    & skf21("3","3","3","3","2","7","5","1") = "6"
    & skf21("3","3","3","3","2","7","6","1") = "6"
    & skf21("3","3","3","3","2","7","7","1") = "6"
    & skf21("3","3","3","3","3","1","1","1") = "2"
    & skf21("3","3","3","3","3","1","2","1") = "2"
    & skf21("3","3","3","3","3","1","3","1") = "2"
    & skf21("3","3","3","3","3","1","4","1") = "3"
    & skf21("3","3","3","3","3","1","5","1") = "4"
    & skf21("3","3","3","3","3","1","6","1") = "5"
    & skf21("3","3","3","3","3","1","7","1") = "6"
    & skf21("3","3","3","3","3","2","1","1") = "2"
    & skf21("3","3","3","3","3","2","2","1") = "2"
    & skf21("3","3","3","3","3","2","3","1") = "2"
    & skf21("3","3","3","3","3","2","4","1") = "3"
    & skf21("3","3","3","3","3","2","5","1") = "4"
    & skf21("3","3","3","3","3","2","6","1") = "5"
    & skf21("3","3","3","3","3","2","7","1") = "6"
    & skf21("3","3","3","3","3","3","1","1") = "1"
    & skf21("3","3","3","3","3","3","2","1") = "2"
    & skf21("3","3","3","3","3","3","3","1") = "2"
    & skf21("3","3","3","3","3","3","4","1") = "3"
    & skf21("3","3","3","3","3","3","5","1") = "4"
    & skf21("3","3","3","3","3","3","6","1") = "5"
    & skf21("3","3","3","3","3","3","7","1") = "6"
    & skf21("3","3","3","3","3","4","1","1") = "3"
    & skf21("3","3","3","3","3","4","2","1") = "3"
    & skf21("3","3","3","3","3","4","3","1") = "3"
    & skf21("3","3","3","3","3","4","4","1") = "3"
    & skf21("3","3","3","3","3","4","5","1") = "4"
    & skf21("3","3","3","3","3","4","6","1") = "5"
    & skf21("3","3","3","3","3","4","7","1") = "6"
    & skf21("3","3","3","3","3","5","1","1") = "4"
    & skf21("3","3","3","3","3","5","2","1") = "4"
    & skf21("3","3","3","3","3","5","3","1") = "4"
    & skf21("3","3","3","3","3","5","4","1") = "4"
    & skf21("3","3","3","3","3","5","5","1") = "4"
    & skf21("3","3","3","3","3","5","6","1") = "5"
    & skf21("3","3","3","3","3","5","7","1") = "6"
    & skf21("3","3","3","3","3","6","1","1") = "5"
    & skf21("3","3","3","3","3","6","2","1") = "5"
    & skf21("3","3","3","3","3","6","3","1") = "5"
    & skf21("3","3","3","3","3","6","4","1") = "5"
    & skf21("3","3","3","3","3","6","5","1") = "5"
    & skf21("3","3","3","3","3","6","6","1") = "5"
    & skf21("3","3","3","3","3","6","7","1") = "6"
    & skf21("3","3","3","3","3","7","1","1") = "6"
    & skf21("3","3","3","3","3","7","2","1") = "6"
    & skf21("3","3","3","3","3","7","3","1") = "6"
    & skf21("3","3","3","3","3","7","4","1") = "6"
    & skf21("3","3","3","3","3","7","5","1") = "6"
    & skf21("3","3","3","3","3","7","6","1") = "6"
    & skf21("3","3","3","3","3","7","7","1") = "6"
    & skf21("3","3","3","3","4","1","1","1") = "3"
    & skf21("3","3","3","3","4","1","2","1") = "3"
    & skf21("3","3","3","3","4","1","3","1") = "3"
    & skf21("3","3","3","3","4","1","4","1") = "3"
    & skf21("3","3","3","3","4","1","5","1") = "4"
    & skf21("3","3","3","3","4","1","6","1") = "5"
    & skf21("3","3","3","3","4","1","7","1") = "6"
    & skf21("3","3","3","3","4","2","1","1") = "3"
    & skf21("3","3","3","3","4","2","2","1") = "3"
    & skf21("3","3","3","3","4","2","3","1") = "3"
    & skf21("3","3","3","3","4","2","4","1") = "3"
    & skf21("3","3","3","3","4","2","5","1") = "4"
    & skf21("3","3","3","3","4","2","6","1") = "5"
    & skf21("3","3","3","3","4","2","7","1") = "6"
    & skf21("3","3","3","3","4","3","1","1") = "3"
    & skf21("3","3","3","3","4","3","2","1") = "3"
    & skf21("3","3","3","3","4","3","3","1") = "3"
    & skf21("3","3","3","3","4","3","4","1") = "3"
    & skf21("3","3","3","3","4","3","5","1") = "4"
    & skf21("3","3","3","3","4","3","6","1") = "5"
    & skf21("3","3","3","3","4","3","7","1") = "6"
    & skf21("3","3","3","3","4","4","1","1") = "3"
    & skf21("3","3","3","3","4","4","2","1") = "3"
    & skf21("3","3","3","3","4","4","3","1") = "3"
    & skf21("3","3","3","3","4","4","4","1") = "3"
    & skf21("3","3","3","3","4","4","5","1") = "4"
    & skf21("3","3","3","3","4","4","6","1") = "5"
    & skf21("3","3","3","3","4","4","7","1") = "6"
    & skf21("3","3","3","3","4","5","1","1") = "4"
    & skf21("3","3","3","3","4","5","2","1") = "4"
    & skf21("3","3","3","3","4","5","3","1") = "4"
    & skf21("3","3","3","3","4","5","4","1") = "4"
    & skf21("3","3","3","3","4","5","5","1") = "4"
    & skf21("3","3","3","3","4","5","6","1") = "5"
    & skf21("3","3","3","3","4","5","7","1") = "6"
    & skf21("3","3","3","3","4","6","1","1") = "5"
    & skf21("3","3","3","3","4","6","2","1") = "5"
    & skf21("3","3","3","3","4","6","3","1") = "5"
    & skf21("3","3","3","3","4","6","4","1") = "5"
    & skf21("3","3","3","3","4","6","5","1") = "5"
    & skf21("3","3","3","3","4","6","6","1") = "5"
    & skf21("3","3","3","3","4","6","7","1") = "6"
    & skf21("3","3","3","3","4","7","1","1") = "6"
    & skf21("3","3","3","3","4","7","2","1") = "6"
    & skf21("3","3","3","3","4","7","3","1") = "6"
    & skf21("3","3","3","3","4","7","4","1") = "6"
    & skf21("3","3","3","3","4","7","5","1") = "6"
    & skf21("3","3","3","3","4","7","6","1") = "6"
    & skf21("3","3","3","3","4","7","7","1") = "6"
    & skf21("3","3","3","3","5","1","1","1") = "4"
    & skf21("3","3","3","3","5","1","2","1") = "4"
    & skf21("3","3","3","3","5","1","3","1") = "4"
    & skf21("3","3","3","3","5","1","4","1") = "4"
    & skf21("3","3","3","3","5","1","5","1") = "4"
    & skf21("3","3","3","3","5","1","6","1") = "5"
    & skf21("3","3","3","3","5","1","7","1") = "6"
    & skf21("3","3","3","3","5","2","1","1") = "4"
    & skf21("3","3","3","3","5","2","2","1") = "4"
    & skf21("3","3","3","3","5","2","3","1") = "4"
    & skf21("3","3","3","3","5","2","4","1") = "4"
    & skf21("3","3","3","3","5","2","5","1") = "4"
    & skf21("3","3","3","3","5","2","6","1") = "5"
    & skf21("3","3","3","3","5","2","7","1") = "6"
    & skf21("3","3","3","3","5","3","1","1") = "4"
    & skf21("3","3","3","3","5","3","2","1") = "4"
    & skf21("3","3","3","3","5","3","3","1") = "4"
    & skf21("3","3","3","3","5","3","4","1") = "4"
    & skf21("3","3","3","3","5","3","5","1") = "4"
    & skf21("3","3","3","3","5","3","6","1") = "5"
    & skf21("3","3","3","3","5","3","7","1") = "6"
    & skf21("3","3","3","3","5","4","1","1") = "4"
    & skf21("3","3","3","3","5","4","2","1") = "4"
    & skf21("3","3","3","3","5","4","3","1") = "4"
    & skf21("3","3","3","3","5","4","4","1") = "4"
    & skf21("3","3","3","3","5","4","5","1") = "4"
    & skf21("3","3","3","3","5","4","6","1") = "5"
    & skf21("3","3","3","3","5","4","7","1") = "6"
    & skf21("3","3","3","3","5","5","1","1") = "4"
    & skf21("3","3","3","3","5","5","2","1") = "4"
    & skf21("3","3","3","3","5","5","3","1") = "4"
    & skf21("3","3","3","3","5","5","4","1") = "4"
    & skf21("3","3","3","3","5","5","5","1") = "4"
    & skf21("3","3","3","3","5","5","6","1") = "5"
    & skf21("3","3","3","3","5","5","7","1") = "6"
    & skf21("3","3","3","3","5","6","1","1") = "5"
    & skf21("3","3","3","3","5","6","2","1") = "5"
    & skf21("3","3","3","3","5","6","3","1") = "5"
    & skf21("3","3","3","3","5","6","4","1") = "5"
    & skf21("3","3","3","3","5","6","5","1") = "5"
    & skf21("3","3","3","3","5","6","6","1") = "5"
    & skf21("3","3","3","3","5","6","7","1") = "6"
    & skf21("3","3","3","3","5","7","1","1") = "6"
    & skf21("3","3","3","3","5","7","2","1") = "6"
    & skf21("3","3","3","3","5","7","3","1") = "6"
    & skf21("3","3","3","3","5","7","4","1") = "6"
    & skf21("3","3","3","3","5","7","5","1") = "6"
    & skf21("3","3","3","3","5","7","6","1") = "6"
    & skf21("3","3","3","3","5","7","7","1") = "6"
    & skf21("3","3","3","3","6","1","1","1") = "5"
    & skf21("3","3","3","3","6","1","2","1") = "5"
    & skf21("3","3","3","3","6","1","3","1") = "5"
    & skf21("3","3","3","3","6","1","4","1") = "5"
    & skf21("3","3","3","3","6","1","5","1") = "5"
    & skf21("3","3","3","3","6","1","6","1") = "5"
    & skf21("3","3","3","3","6","1","7","1") = "6"
    & skf21("3","3","3","3","6","2","1","1") = "5"
    & skf21("3","3","3","3","6","2","2","1") = "5"
    & skf21("3","3","3","3","6","2","3","1") = "5"
    & skf21("3","3","3","3","6","2","4","1") = "5"
    & skf21("3","3","3","3","6","2","5","1") = "5"
    & skf21("3","3","3","3","6","2","6","1") = "5"
    & skf21("3","3","3","3","6","2","7","1") = "6"
    & skf21("3","3","3","3","6","3","1","1") = "5"
    & skf21("3","3","3","3","6","3","2","1") = "5"
    & skf21("3","3","3","3","6","3","3","1") = "5"
    & skf21("3","3","3","3","6","3","4","1") = "5"
    & skf21("3","3","3","3","6","3","5","1") = "5"
    & skf21("3","3","3","3","6","3","6","1") = "5"
    & skf21("3","3","3","3","6","3","7","1") = "6"
    & skf21("3","3","3","3","6","4","1","1") = "5"
    & skf21("3","3","3","3","6","4","2","1") = "5"
    & skf21("3","3","3","3","6","4","3","1") = "5"
    & skf21("3","3","3","3","6","4","4","1") = "5"
    & skf21("3","3","3","3","6","4","5","1") = "5"
    & skf21("3","3","3","3","6","4","6","1") = "5"
    & skf21("3","3","3","3","6","4","7","1") = "6"
    & skf21("3","3","3","3","6","5","1","1") = "5"
    & skf21("3","3","3","3","6","5","2","1") = "5"
    & skf21("3","3","3","3","6","5","3","1") = "5"
    & skf21("3","3","3","3","6","5","4","1") = "5"
    & skf21("3","3","3","3","6","5","5","1") = "5"
    & skf21("3","3","3","3","6","5","6","1") = "5"
    & skf21("3","3","3","3","6","5","7","1") = "6"
    & skf21("3","3","3","3","6","6","1","1") = "5"
    & skf21("3","3","3","3","6","6","2","1") = "5"
    & skf21("3","3","3","3","6","6","3","1") = "5"
    & skf21("3","3","3","3","6","6","4","1") = "5"
    & skf21("3","3","3","3","6","6","5","1") = "5"
    & skf21("3","3","3","3","6","6","6","1") = "5"
    & skf21("3","3","3","3","6","6","7","1") = "6"
    & skf21("3","3","3","3","6","7","1","1") = "6"
    & skf21("3","3","3","3","6","7","2","1") = "6"
    & skf21("3","3","3","3","6","7","3","1") = "6"
    & skf21("3","3","3","3","6","7","4","1") = "6"
    & skf21("3","3","3","3","6","7","5","1") = "6"
    & skf21("3","3","3","3","6","7","6","1") = "6"
    & skf21("3","3","3","3","6","7","7","1") = "6"
    & skf21("3","3","3","3","7","1","1","1") = "6"
    & skf21("3","3","3","3","7","1","2","1") = "6"
    & skf21("3","3","3","3","7","1","3","1") = "6"
    & skf21("3","3","3","3","7","1","4","1") = "6"
    & skf21("3","3","3","3","7","1","5","1") = "6"
    & skf21("3","3","3","3","7","1","6","1") = "6"
    & skf21("3","3","3","3","7","1","7","1") = "6"
    & skf21("3","3","3","3","7","2","1","1") = "6"
    & skf21("3","3","3","3","7","2","2","1") = "6"
    & skf21("3","3","3","3","7","2","3","1") = "6"
    & skf21("3","3","3","3","7","2","4","1") = "6"
    & skf21("3","3","3","3","7","2","5","1") = "6"
    & skf21("3","3","3","3","7","2","6","1") = "6"
    & skf21("3","3","3","3","7","2","7","1") = "6"
    & skf21("3","3","3","3","7","3","1","1") = "6"
    & skf21("3","3","3","3","7","3","2","1") = "6"
    & skf21("3","3","3","3","7","3","3","1") = "6"
    & skf21("3","3","3","3","7","3","4","1") = "6"
    & skf21("3","3","3","3","7","3","5","1") = "6"
    & skf21("3","3","3","3","7","3","6","1") = "6"
    & skf21("3","3","3","3","7","3","7","1") = "6"
    & skf21("3","3","3","3","7","4","1","1") = "6"
    & skf21("3","3","3","3","7","4","2","1") = "6"
    & skf21("3","3","3","3","7","4","3","1") = "6"
    & skf21("3","3","3","3","7","4","4","1") = "6"
    & skf21("3","3","3","3","7","4","5","1") = "6"
    & skf21("3","3","3","3","7","4","6","1") = "6"
    & skf21("3","3","3","3","7","4","7","1") = "6"
    & skf21("3","3","3","3","7","5","1","1") = "6"
    & skf21("3","3","3","3","7","5","2","1") = "6"
    & skf21("3","3","3","3","7","5","3","1") = "6"
    & skf21("3","3","3","3","7","5","4","1") = "6"
    & skf21("3","3","3","3","7","5","5","1") = "6"
    & skf21("3","3","3","3","7","5","6","1") = "6"
    & skf21("3","3","3","3","7","5","7","1") = "6"
    & skf21("3","3","3","3","7","6","1","1") = "6"
    & skf21("3","3","3","3","7","6","2","1") = "6"
    & skf21("3","3","3","3","7","6","3","1") = "6"
    & skf21("3","3","3","3","7","6","4","1") = "6"
    & skf21("3","3","3","3","7","6","5","1") = "6"
    & skf21("3","3","3","3","7","6","6","1") = "6"
    & skf21("3","3","3","3","7","6","7","1") = "6"
    & skf21("3","3","3","3","7","7","1","1") = "6"
    & skf21("3","3","3","3","7","7","2","1") = "6"
    & skf21("3","3","3","3","7","7","3","1") = "6"
    & skf21("3","3","3","3","7","7","4","1") = "6"
    & skf21("3","3","3","3","7","7","5","1") = "6"
    & skf21("3","3","3","3","7","7","6","1") = "6"
    & skf21("3","3","3","3","7","7","7","1") = "6"
    & skf21("3","3","3","4","1","1","1","1") = "3"
    & skf21("3","3","3","4","1","1","2","1") = "3"
    & skf21("3","3","3","4","1","1","3","1") = "3"
    & skf21("3","3","3","4","1","1","4","1") = "3"
    & skf21("3","3","3","4","1","1","5","1") = "4"
    & skf21("3","3","3","4","1","1","6","1") = "5"
    & skf21("3","3","3","4","1","1","7","1") = "6"
    & skf21("3","3","3","4","1","2","1","1") = "3"
    & skf21("3","3","3","4","1","2","2","1") = "3"
    & skf21("3","3","3","4","1","2","3","1") = "3"
    & skf21("3","3","3","4","1","2","4","1") = "3"
    & skf21("3","3","3","4","1","2","5","1") = "4"
    & skf21("3","3","3","4","1","2","6","1") = "5"
    & skf21("3","3","3","4","1","2","7","1") = "6"
    & skf21("3","3","3","4","1","3","1","1") = "3"
    & skf21("3","3","3","4","1","3","2","1") = "3"
    & skf21("3","3","3","4","1","3","3","1") = "3"
    & skf21("3","3","3","4","1","3","4","1") = "3"
    & skf21("3","3","3","4","1","3","5","1") = "4"
    & skf21("3","3","3","4","1","3","6","1") = "5"
    & skf21("3","3","3","4","1","3","7","1") = "6"
    & skf21("3","3","3","4","1","4","1","1") = "3"
    & skf21("3","3","3","4","1","4","2","1") = "3"
    & skf21("3","3","3","4","1","4","3","1") = "3"
    & skf21("3","3","3","4","1","4","4","1") = "3"
    & skf21("3","3","3","4","1","4","5","1") = "4"
    & skf21("3","3","3","4","1","4","6","1") = "5"
    & skf21("3","3","3","4","1","4","7","1") = "6"
    & skf21("3","3","3","4","1","5","1","1") = "4"
    & skf21("3","3","3","4","1","5","2","1") = "4"
    & skf21("3","3","3","4","1","5","3","1") = "4"
    & skf21("3","3","3","4","1","5","4","1") = "4"
    & skf21("3","3","3","4","1","5","5","1") = "4"
    & skf21("3","3","3","4","1","5","6","1") = "5"
    & skf21("3","3","3","4","1","5","7","1") = "6"
    & skf21("3","3","3","4","1","6","1","1") = "5"
    & skf21("3","3","3","4","1","6","2","1") = "5"
    & skf21("3","3","3","4","1","6","3","1") = "5"
    & skf21("3","3","3","4","1","6","4","1") = "5"
    & skf21("3","3","3","4","1","6","5","1") = "5"
    & skf21("3","3","3","4","1","6","6","1") = "5"
    & skf21("3","3","3","4","1","6","7","1") = "6"
    & skf21("3","3","3","4","1","7","1","1") = "6"
    & skf21("3","3","3","4","1","7","2","1") = "6"
    & skf21("3","3","3","4","1","7","3","1") = "6"
    & skf21("3","3","3","4","1","7","4","1") = "6"
    & skf21("3","3","3","4","1","7","5","1") = "6"
    & skf21("3","3","3","4","1","7","6","1") = "6"
    & skf21("3","3","3","4","1","7","7","1") = "6"
    & skf21("3","3","3","4","2","1","1","1") = "3"
    & skf21("3","3","3","4","2","1","2","1") = "3"
    & skf21("3","3","3","4","2","1","3","1") = "3"
    & skf21("3","3","3","4","2","1","4","1") = "3"
    & skf21("3","3","3","4","2","1","5","1") = "4"
    & skf21("3","3","3","4","2","1","6","1") = "5"
    & skf21("3","3","3","4","2","1","7","1") = "6"
    & skf21("3","3","3","4","2","2","1","1") = "3"
    & skf21("3","3","3","4","2","2","2","1") = "3"
    & skf21("3","3","3","4","2","2","3","1") = "3"
    & skf21("3","3","3","4","2","2","4","1") = "3"
    & skf21("3","3","3","4","2","2","5","1") = "4"
    & skf21("3","3","3","4","2","2","6","1") = "5"
    & skf21("3","3","3","4","2","2","7","1") = "6"
    & skf21("3","3","3","4","2","3","1","1") = "3"
    & skf21("3","3","3","4","2","3","2","1") = "3"
    & skf21("3","3","3","4","2","3","3","1") = "3"
    & skf21("3","3","3","4","2","3","4","1") = "3"
    & skf21("3","3","3","4","2","3","5","1") = "4"
    & skf21("3","3","3","4","2","3","6","1") = "5"
    & skf21("3","3","3","4","2","3","7","1") = "6"
    & skf21("3","3","3","4","2","4","1","1") = "3"
    & skf21("3","3","3","4","2","4","2","1") = "3"
    & skf21("3","3","3","4","2","4","3","1") = "3"
    & skf21("3","3","3","4","2","4","4","1") = "3"
    & skf21("3","3","3","4","2","4","5","1") = "4"
    & skf21("3","3","3","4","2","4","6","1") = "5"
    & skf21("3","3","3","4","2","4","7","1") = "6"
    & skf21("3","3","3","4","2","5","1","1") = "4"
    & skf21("3","3","3","4","2","5","2","1") = "4"
    & skf21("3","3","3","4","2","5","3","1") = "4"
    & skf21("3","3","3","4","2","5","4","1") = "4"
    & skf21("3","3","3","4","2","5","5","1") = "4"
    & skf21("3","3","3","4","2","5","6","1") = "5"
    & skf21("3","3","3","4","2","5","7","1") = "6"
    & skf21("3","3","3","4","2","6","1","1") = "5"
    & skf21("3","3","3","4","2","6","2","1") = "5"
    & skf21("3","3","3","4","2","6","3","1") = "5"
    & skf21("3","3","3","4","2","6","4","1") = "5"
    & skf21("3","3","3","4","2","6","5","1") = "5"
    & skf21("3","3","3","4","2","6","6","1") = "5"
    & skf21("3","3","3","4","2","6","7","1") = "6"
    & skf21("3","3","3","4","2","7","1","1") = "6"
    & skf21("3","3","3","4","2","7","2","1") = "6"
    & skf21("3","3","3","4","2","7","3","1") = "6"
    & skf21("3","3","3","4","2","7","4","1") = "6"
    & skf21("3","3","3","4","2","7","5","1") = "6"
    & skf21("3","3","3","4","2","7","6","1") = "6"
    & skf21("3","3","3","4","2","7","7","1") = "6"
    & skf21("3","3","3","4","3","1","1","1") = "3"
    & skf21("3","3","3","4","3","1","2","1") = "3"
    & skf21("3","3","3","4","3","1","3","1") = "3"
    & skf21("3","3","3","4","3","1","4","1") = "3"
    & skf21("3","3","3","4","3","1","5","1") = "4"
    & skf21("3","3","3","4","3","1","6","1") = "5"
    & skf21("3","3","3","4","3","1","7","1") = "6"
    & skf21("3","3","3","4","3","2","1","1") = "3"
    & skf21("3","3","3","4","3","2","2","1") = "3"
    & skf21("3","3","3","4","3","2","3","1") = "3"
    & skf21("3","3","3","4","3","2","4","1") = "3"
    & skf21("3","3","3","4","3","2","5","1") = "4"
    & skf21("3","3","3","4","3","2","6","1") = "5"
    & skf21("3","3","3","4","3","2","7","1") = "6"
    & skf21("3","3","3","4","3","3","1","1") = "3"
    & skf21("3","3","3","4","3","3","2","1") = "3"
    & skf21("3","3","3","4","3","3","3","1") = "3"
    & skf21("3","3","3","4","3","3","4","1") = "3"
    & skf21("3","3","3","4","3","3","5","1") = "4"
    & skf21("3","3","3","4","3","3","6","1") = "5"
    & skf21("3","3","3","4","3","3","7","1") = "6"
    & skf21("3","3","3","4","3","4","1","1") = "3"
    & skf21("3","3","3","4","3","4","2","1") = "3"
    & skf21("3","3","3","4","3","4","3","1") = "3"
    & skf21("3","3","3","4","3","4","4","1") = "3"
    & skf21("3","3","3","4","3","4","5","1") = "4"
    & skf21("3","3","3","4","3","4","6","1") = "5"
    & skf21("3","3","3","4","3","4","7","1") = "6"
    & skf21("3","3","3","4","3","5","1","1") = "4"
    & skf21("3","3","3","4","3","5","2","1") = "4"
    & skf21("3","3","3","4","3","5","3","1") = "4"
    & skf21("3","3","3","4","3","5","4","1") = "4"
    & skf21("3","3","3","4","3","5","5","1") = "4"
    & skf21("3","3","3","4","3","5","6","1") = "5"
    & skf21("3","3","3","4","3","5","7","1") = "6"
    & skf21("3","3","3","4","3","6","1","1") = "5"
    & skf21("3","3","3","4","3","6","2","1") = "5"
    & skf21("3","3","3","4","3","6","3","1") = "5"
    & skf21("3","3","3","4","3","6","4","1") = "5"
    & skf21("3","3","3","4","3","6","5","1") = "5"
    & skf21("3","3","3","4","3","6","6","1") = "5"
    & skf21("3","3","3","4","3","6","7","1") = "6"
    & skf21("3","3","3","4","3","7","1","1") = "6"
    & skf21("3","3","3","4","3","7","2","1") = "6"
    & skf21("3","3","3","4","3","7","3","1") = "6"
    & skf21("3","3","3","4","3","7","4","1") = "6"
    & skf21("3","3","3","4","3","7","5","1") = "6"
    & skf21("3","3","3","4","3","7","6","1") = "6"
    & skf21("3","3","3","4","3","7","7","1") = "6"
    & skf21("3","3","3","4","4","1","1","1") = "3"
    & skf21("3","3","3","4","4","1","2","1") = "3"
    & skf21("3","3","3","4","4","1","3","1") = "3"
    & skf21("3","3","3","4","4","1","4","1") = "3"
    & skf21("3","3","3","4","4","1","5","1") = "4"
    & skf21("3","3","3","4","4","1","6","1") = "5"
    & skf21("3","3","3","4","4","1","7","1") = "6"
    & skf21("3","3","3","4","4","2","1","1") = "3"
    & skf21("3","3","3","4","4","2","2","1") = "3"
    & skf21("3","3","3","4","4","2","3","1") = "3"
    & skf21("3","3","3","4","4","2","4","1") = "2"
    & skf21("3","3","3","4","4","2","5","1") = "4"
    & skf21("3","3","3","4","4","2","6","1") = "5"
    & skf21("3","3","3","4","4","2","7","1") = "6"
    & skf21("3","3","3","4","4","3","1","1") = "3"
    & skf21("3","3","3","4","4","3","2","1") = "3"
    & skf21("3","3","3","4","4","3","3","1") = "3"
    & skf21("3","3","3","4","4","3","4","1") = "3"
    & skf21("3","3","3","4","4","3","5","1") = "4"
    & skf21("3","3","3","4","4","3","6","1") = "5"
    & skf21("3","3","3","4","4","3","7","1") = "6"
    & skf21("3","3","3","4","4","4","1","1") = "3"
    & skf21("3","3","3","4","4","4","2","1") = "3"
    & skf21("3","3","3","4","4","4","3","1") = "3"
    & skf21("3","3","3","4","4","4","4","1") = "3"
    & skf21("3","3","3","4","4","4","5","1") = "4"
    & skf21("3","3","3","4","4","4","6","1") = "5"
    & skf21("3","3","3","4","4","4","7","1") = "6"
    & skf21("3","3","3","4","4","5","1","1") = "4"
    & skf21("3","3","3","4","4","5","2","1") = "4"
    & skf21("3","3","3","4","4","5","3","1") = "4"
    & skf21("3","3","3","4","4","5","4","1") = "4"
    & skf21("3","3","3","4","4","5","5","1") = "4"
    & skf21("3","3","3","4","4","5","6","1") = "5"
    & skf21("3","3","3","4","4","5","7","1") = "6"
    & skf21("3","3","3","4","4","6","1","1") = "5"
    & skf21("3","3","3","4","4","6","2","1") = "5"
    & skf21("3","3","3","4","4","6","3","1") = "5"
    & skf21("3","3","3","4","4","6","4","1") = "5"
    & skf21("3","3","3","4","4","6","5","1") = "5"
    & skf21("3","3","3","4","4","6","6","1") = "5"
    & skf21("3","3","3","4","4","6","7","1") = "6"
    & skf21("3","3","3","4","4","7","1","1") = "6"
    & skf21("3","3","3","4","4","7","2","1") = "6"
    & skf21("3","3","3","4","4","7","3","1") = "6"
    & skf21("3","3","3","4","4","7","4","1") = "6"
    & skf21("3","3","3","4","4","7","5","1") = "6"
    & skf21("3","3","3","4","4","7","6","1") = "6"
    & skf21("3","3","3","4","4","7","7","1") = "6"
    & skf21("3","3","3","4","5","1","1","1") = "4"
    & skf21("3","3","3","4","5","1","2","1") = "4"
    & skf21("3","3","3","4","5","1","3","1") = "4"
    & skf21("3","3","3","4","5","1","4","1") = "4"
    & skf21("3","3","3","4","5","1","5","1") = "4"
    & skf21("3","3","3","4","5","1","6","1") = "5"
    & skf21("3","3","3","4","5","1","7","1") = "6"
    & skf21("3","3","3","4","5","2","1","1") = "4"
    & skf21("3","3","3","4","5","2","2","1") = "4"
    & skf21("3","3","3","4","5","2","3","1") = "4"
    & skf21("3","3","3","4","5","2","4","1") = "4"
    & skf21("3","3","3","4","5","2","5","1") = "4"
    & skf21("3","3","3","4","5","2","6","1") = "5"
    & skf21("3","3","3","4","5","2","7","1") = "6"
    & skf21("3","3","3","4","5","3","1","1") = "4"
    & skf21("3","3","3","4","5","3","2","1") = "4"
    & skf21("3","3","3","4","5","3","3","1") = "4"
    & skf21("3","3","3","4","5","3","4","1") = "4"
    & skf21("3","3","3","4","5","3","5","1") = "4"
    & skf21("3","3","3","4","5","3","6","1") = "5"
    & skf21("3","3","3","4","5","3","7","1") = "6"
    & skf21("3","3","3","4","5","4","1","1") = "4"
    & skf21("3","3","3","4","5","4","2","1") = "4"
    & skf21("3","3","3","4","5","4","3","1") = "4"
    & skf21("3","3","3","4","5","4","4","1") = "4"
    & skf21("3","3","3","4","5","4","5","1") = "4"
    & skf21("3","3","3","4","5","4","6","1") = "5"
    & skf21("3","3","3","4","5","4","7","1") = "6"
    & skf21("3","3","3","4","5","5","1","1") = "4"
    & skf21("3","3","3","4","5","5","2","1") = "4"
    & skf21("3","3","3","4","5","5","3","1") = "4"
    & skf21("3","3","3","4","5","5","4","1") = "4"
    & skf21("3","3","3","4","5","5","5","1") = "4"
    & skf21("3","3","3","4","5","5","6","1") = "5"
    & skf21("3","3","3","4","5","5","7","1") = "6"
    & skf21("3","3","3","4","5","6","1","1") = "5"
    & skf21("3","3","3","4","5","6","2","1") = "5"
    & skf21("3","3","3","4","5","6","3","1") = "5"
    & skf21("3","3","3","4","5","6","4","1") = "5"
    & skf21("3","3","3","4","5","6","5","1") = "5"
    & skf21("3","3","3","4","5","6","6","1") = "5"
    & skf21("3","3","3","4","5","6","7","1") = "6"
    & skf21("3","3","3","4","5","7","1","1") = "6"
    & skf21("3","3","3","4","5","7","2","1") = "6"
    & skf21("3","3","3","4","5","7","3","1") = "6"
    & skf21("3","3","3","4","5","7","4","1") = "6"
    & skf21("3","3","3","4","5","7","5","1") = "6"
    & skf21("3","3","3","4","5","7","6","1") = "6"
    & skf21("3","3","3","4","5","7","7","1") = "6"
    & skf21("3","3","3","4","6","1","1","1") = "5"
    & skf21("3","3","3","4","6","1","2","1") = "5"
    & skf21("3","3","3","4","6","1","3","1") = "5"
    & skf21("3","3","3","4","6","1","4","1") = "5"
    & skf21("3","3","3","4","6","1","5","1") = "5"
    & skf21("3","3","3","4","6","1","6","1") = "5"
    & skf21("3","3","3","4","6","1","7","1") = "6"
    & skf21("3","3","3","4","6","2","1","1") = "5"
    & skf21("3","3","3","4","6","2","2","1") = "5"
    & skf21("3","3","3","4","6","2","3","1") = "5"
    & skf21("3","3","3","4","6","2","4","1") = "5"
    & skf21("3","3","3","4","6","2","5","1") = "5"
    & skf21("3","3","3","4","6","2","6","1") = "5"
    & skf21("3","3","3","4","6","2","7","1") = "6"
    & skf21("3","3","3","4","6","3","1","1") = "5"
    & skf21("3","3","3","4","6","3","2","1") = "5"
    & skf21("3","3","3","4","6","3","3","1") = "5"
    & skf21("3","3","3","4","6","3","4","1") = "5"
    & skf21("3","3","3","4","6","3","5","1") = "5"
    & skf21("3","3","3","4","6","3","6","1") = "5"
    & skf21("3","3","3","4","6","3","7","1") = "6"
    & skf21("3","3","3","4","6","4","1","1") = "5"
    & skf21("3","3","3","4","6","4","2","1") = "5"
    & skf21("3","3","3","4","6","4","3","1") = "5"
    & skf21("3","3","3","4","6","4","4","1") = "5"
    & skf21("3","3","3","4","6","4","5","1") = "5"
    & skf21("3","3","3","4","6","4","6","1") = "5"
    & skf21("3","3","3","4","6","4","7","1") = "6"
    & skf21("3","3","3","4","6","5","1","1") = "5"
    & skf21("3","3","3","4","6","5","2","1") = "5"
    & skf21("3","3","3","4","6","5","3","1") = "5"
    & skf21("3","3","3","4","6","5","4","1") = "5"
    & skf21("3","3","3","4","6","5","5","1") = "5"
    & skf21("3","3","3","4","6","5","6","1") = "5"
    & skf21("3","3","3","4","6","5","7","1") = "6"
    & skf21("3","3","3","4","6","6","1","1") = "5"
    & skf21("3","3","3","4","6","6","2","1") = "5"
    & skf21("3","3","3","4","6","6","3","1") = "5"
    & skf21("3","3","3","4","6","6","4","1") = "5"
    & skf21("3","3","3","4","6","6","5","1") = "5"
    & skf21("3","3","3","4","6","6","6","1") = "5"
    & skf21("3","3","3","4","6","6","7","1") = "6"
    & skf21("3","3","3","4","6","7","1","1") = "6"
    & skf21("3","3","3","4","6","7","2","1") = "6"
    & skf21("3","3","3","4","6","7","3","1") = "6"
    & skf21("3","3","3","4","6","7","4","1") = "6"
    & skf21("3","3","3","4","6","7","5","1") = "6"
    & skf21("3","3","3","4","6","7","6","1") = "6"
    & skf21("3","3","3","4","6","7","7","1") = "6"
    & skf21("3","3","3","4","7","1","1","1") = "6"
    & skf21("3","3","3","4","7","1","2","1") = "6"
    & skf21("3","3","3","4","7","1","3","1") = "6"
    & skf21("3","3","3","4","7","1","4","1") = "6"
    & skf21("3","3","3","4","7","1","5","1") = "6"
    & skf21("3","3","3","4","7","1","6","1") = "6"
    & skf21("3","3","3","4","7","1","7","1") = "6"
    & skf21("3","3","3","4","7","2","1","1") = "6"
    & skf21("3","3","3","4","7","2","2","1") = "6"
    & skf21("3","3","3","4","7","2","3","1") = "6"
    & skf21("3","3","3","4","7","2","4","1") = "6"
    & skf21("3","3","3","4","7","2","5","1") = "6"
    & skf21("3","3","3","4","7","2","6","1") = "6"
    & skf21("3","3","3","4","7","2","7","1") = "6"
    & skf21("3","3","3","4","7","3","1","1") = "6"
    & skf21("3","3","3","4","7","3","2","1") = "6"
    & skf21("3","3","3","4","7","3","3","1") = "6"
    & skf21("3","3","3","4","7","3","4","1") = "6"
    & skf21("3","3","3","4","7","3","5","1") = "6"
    & skf21("3","3","3","4","7","3","6","1") = "6"
    & skf21("3","3","3","4","7","3","7","1") = "6"
    & skf21("3","3","3","4","7","4","1","1") = "6"
    & skf21("3","3","3","4","7","4","2","1") = "6"
    & skf21("3","3","3","4","7","4","3","1") = "6"
    & skf21("3","3","3","4","7","4","4","1") = "6"
    & skf21("3","3","3","4","7","4","5","1") = "6"
    & skf21("3","3","3","4","7","4","6","1") = "6"
    & skf21("3","3","3","4","7","4","7","1") = "6"
    & skf21("3","3","3","4","7","5","1","1") = "6"
    & skf21("3","3","3","4","7","5","2","1") = "6"
    & skf21("3","3","3","4","7","5","3","1") = "6"
    & skf21("3","3","3","4","7","5","4","1") = "6"
    & skf21("3","3","3","4","7","5","5","1") = "6"
    & skf21("3","3","3","4","7","5","6","1") = "6"
    & skf21("3","3","3","4","7","5","7","1") = "6"
    & skf21("3","3","3","4","7","6","1","1") = "6"
    & skf21("3","3","3","4","7","6","2","1") = "6"
    & skf21("3","3","3","4","7","6","3","1") = "6"
    & skf21("3","3","3","4","7","6","4","1") = "6"
    & skf21("3","3","3","4","7","6","5","1") = "6"
    & skf21("3","3","3","4","7","6","6","1") = "6"
    & skf21("3","3","3","4","7","6","7","1") = "6"
    & skf21("3","3","3","4","7","7","1","1") = "6"
    & skf21("3","3","3","4","7","7","2","1") = "6"
    & skf21("3","3","3","4","7","7","3","1") = "6"
    & skf21("3","3","3","4","7","7","4","1") = "6"
    & skf21("3","3","3","4","7","7","5","1") = "6"
    & skf21("3","3","3","4","7","7","6","1") = "6"
    & skf21("3","3","3","4","7","7","7","1") = "6"
    & skf21("3","3","3","5","1","1","1","1") = "4"
    & skf21("3","3","3","5","1","1","2","1") = "4"
    & skf21("3","3","3","5","1","1","3","1") = "4"
    & skf21("3","3","3","5","1","1","4","1") = "4"
    & skf21("3","3","3","5","1","1","5","1") = "4"
    & skf21("3","3","3","5","1","1","6","1") = "5"
    & skf21("3","3","3","5","1","1","7","1") = "6"
    & skf21("3","3","3","5","1","2","1","1") = "4"
    & skf21("3","3","3","5","1","2","2","1") = "4"
    & skf21("3","3","3","5","1","2","3","1") = "4"
    & skf21("3","3","3","5","1","2","4","1") = "4"
    & skf21("3","3","3","5","1","2","5","1") = "4"
    & skf21("3","3","3","5","1","2","6","1") = "5"
    & skf21("3","3","3","5","1","2","7","1") = "6"
    & skf21("3","3","3","5","1","3","1","1") = "4"
    & skf21("3","3","3","5","1","3","2","1") = "4"
    & skf21("3","3","3","5","1","3","3","1") = "4"
    & skf21("3","3","3","5","1","3","4","1") = "4"
    & skf21("3","3","3","5","1","3","5","1") = "4"
    & skf21("3","3","3","5","1","3","6","1") = "5"
    & skf21("3","3","3","5","1","3","7","1") = "6"
    & skf21("3","3","3","5","1","4","1","1") = "4"
    & skf21("3","3","3","5","1","4","2","1") = "4"
    & skf21("3","3","3","5","1","4","3","1") = "4"
    & skf21("3","3","3","5","1","4","4","1") = "4"
    & skf21("3","3","3","5","1","4","5","1") = "4"
    & skf21("3","3","3","5","1","4","6","1") = "5"
    & skf21("3","3","3","5","1","4","7","1") = "6"
    & skf21("3","3","3","5","1","5","1","1") = "4"
    & skf21("3","3","3","5","1","5","2","1") = "4"
    & skf21("3","3","3","5","1","5","3","1") = "4"
    & skf21("3","3","3","5","1","5","4","1") = "4"
    & skf21("3","3","3","5","1","5","5","1") = "4"
    & skf21("3","3","3","5","1","5","6","1") = "5"
    & skf21("3","3","3","5","1","5","7","1") = "6"
    & skf21("3","3","3","5","1","6","1","1") = "5"
    & skf21("3","3","3","5","1","6","2","1") = "5"
    & skf21("3","3","3","5","1","6","3","1") = "5"
    & skf21("3","3","3","5","1","6","4","1") = "5"
    & skf21("3","3","3","5","1","6","5","1") = "5"
    & skf21("3","3","3","5","1","6","6","1") = "5"
    & skf21("3","3","3","5","1","6","7","1") = "6"
    & skf21("3","3","3","5","1","7","1","1") = "6"
    & skf21("3","3","3","5","1","7","2","1") = "6"
    & skf21("3","3","3","5","1","7","3","1") = "6"
    & skf21("3","3","3","5","1","7","4","1") = "6"
    & skf21("3","3","3","5","1","7","5","1") = "6"
    & skf21("3","3","3","5","1","7","6","1") = "6"
    & skf21("3","3","3","5","1","7","7","1") = "6"
    & skf21("3","3","3","5","2","1","1","1") = "4"
    & skf21("3","3","3","5","2","1","2","1") = "4"
    & skf21("3","3","3","5","2","1","3","1") = "4"
    & skf21("3","3","3","5","2","1","4","1") = "4"
    & skf21("3","3","3","5","2","1","5","1") = "4"
    & skf21("3","3","3","5","2","1","6","1") = "5"
    & skf21("3","3","3","5","2","1","7","1") = "6"
    & skf21("3","3","3","5","2","2","1","1") = "4"
    & skf21("3","3","3","5","2","2","2","1") = "4"
    & skf21("3","3","3","5","2","2","3","1") = "4"
    & skf21("3","3","3","5","2","2","4","1") = "4"
    & skf21("3","3","3","5","2","2","5","1") = "4"
    & skf21("3","3","3","5","2","2","6","1") = "5"
    & skf21("3","3","3","5","2","2","7","1") = "6"
    & skf21("3","3","3","5","2","3","1","1") = "4"
    & skf21("3","3","3","5","2","3","2","1") = "4"
    & skf21("3","3","3","5","2","3","3","1") = "4"
    & skf21("3","3","3","5","2","3","4","1") = "4"
    & skf21("3","3","3","5","2","3","5","1") = "4"
    & skf21("3","3","3","5","2","3","6","1") = "5"
    & skf21("3","3","3","5","2","3","7","1") = "6"
    & skf21("3","3","3","5","2","4","1","1") = "4"
    & skf21("3","3","3","5","2","4","2","1") = "4"
    & skf21("3","3","3","5","2","4","3","1") = "4"
    & skf21("3","3","3","5","2","4","4","1") = "4"
    & skf21("3","3","3","5","2","4","5","1") = "4"
    & skf21("3","3","3","5","2","4","6","1") = "5"
    & skf21("3","3","3","5","2","4","7","1") = "6"
    & skf21("3","3","3","5","2","5","1","1") = "4"
    & skf21("3","3","3","5","2","5","2","1") = "4"
    & skf21("3","3","3","5","2","5","3","1") = "4"
    & skf21("3","3","3","5","2","5","4","1") = "4"
    & skf21("3","3","3","5","2","5","5","1") = "4"
    & skf21("3","3","3","5","2","5","6","1") = "5"
    & skf21("3","3","3","5","2","5","7","1") = "6"
    & skf21("3","3","3","5","2","6","1","1") = "5"
    & skf21("3","3","3","5","2","6","2","1") = "5"
    & skf21("3","3","3","5","2","6","3","1") = "5"
    & skf21("3","3","3","5","2","6","4","1") = "5"
    & skf21("3","3","3","5","2","6","5","1") = "5"
    & skf21("3","3","3","5","2","6","6","1") = "5"
    & skf21("3","3","3","5","2","6","7","1") = "6"
    & skf21("3","3","3","5","2","7","1","1") = "6"
    & skf21("3","3","3","5","2","7","2","1") = "6"
    & skf21("3","3","3","5","2","7","3","1") = "6"
    & skf21("3","3","3","5","2","7","4","1") = "6"
    & skf21("3","3","3","5","2","7","5","1") = "6"
    & skf21("3","3","3","5","2","7","6","1") = "6"
    & skf21("3","3","3","5","2","7","7","1") = "6"
    & skf21("3","3","3","5","3","1","1","1") = "4"
    & skf21("3","3","3","5","3","1","2","1") = "4"
    & skf21("3","3","3","5","3","1","3","1") = "4"
    & skf21("3","3","3","5","3","1","4","1") = "4"
    & skf21("3","3","3","5","3","1","5","1") = "4"
    & skf21("3","3","3","5","3","1","6","1") = "5"
    & skf21("3","3","3","5","3","1","7","1") = "6"
    & skf21("3","3","3","5","3","2","1","1") = "4"
    & skf21("3","3","3","5","3","2","2","1") = "4"
    & skf21("3","3","3","5","3","2","3","1") = "4"
    & skf21("3","3","3","5","3","2","4","1") = "4"
    & skf21("3","3","3","5","3","2","5","1") = "4"
    & skf21("3","3","3","5","3","2","6","1") = "5"
    & skf21("3","3","3","5","3","2","7","1") = "6"
    & skf21("3","3","3","5","3","3","1","1") = "4"
    & skf21("3","3","3","5","3","3","2","1") = "4"
    & skf21("3","3","3","5","3","3","3","1") = "4"
    & skf21("3","3","3","5","3","3","4","1") = "4"
    & skf21("3","3","3","5","3","3","5","1") = "4"
    & skf21("3","3","3","5","3","3","6","1") = "5"
    & skf21("3","3","3","5","3","3","7","1") = "6"
    & skf21("3","3","3","5","3","4","1","1") = "4"
    & skf21("3","3","3","5","3","4","2","1") = "4"
    & skf21("3","3","3","5","3","4","3","1") = "4"
    & skf21("3","3","3","5","3","4","4","1") = "4"
    & skf21("3","3","3","5","3","4","5","1") = "4"
    & skf21("3","3","3","5","3","4","6","1") = "5"
    & skf21("3","3","3","5","3","4","7","1") = "6"
    & skf21("3","3","3","5","3","5","1","1") = "4"
    & skf21("3","3","3","5","3","5","2","1") = "4"
    & skf21("3","3","3","5","3","5","3","1") = "4"
    & skf21("3","3","3","5","3","5","4","1") = "4"
    & skf21("3","3","3","5","3","5","5","1") = "4"
    & skf21("3","3","3","5","3","5","6","1") = "5"
    & skf21("3","3","3","5","3","5","7","1") = "6"
    & skf21("3","3","3","5","3","6","1","1") = "5"
    & skf21("3","3","3","5","3","6","2","1") = "5"
    & skf21("3","3","3","5","3","6","3","1") = "5"
    & skf21("3","3","3","5","3","6","4","1") = "5"
    & skf21("3","3","3","5","3","6","5","1") = "5"
    & skf21("3","3","3","5","3","6","6","1") = "5"
    & skf21("3","3","3","5","3","6","7","1") = "6"
    & skf21("3","3","3","5","3","7","1","1") = "6"
    & skf21("3","3","3","5","3","7","2","1") = "6"
    & skf21("3","3","3","5","3","7","3","1") = "6"
    & skf21("3","3","3","5","3","7","4","1") = "6"
    & skf21("3","3","3","5","3","7","5","1") = "6"
    & skf21("3","3","3","5","3","7","6","1") = "6"
    & skf21("3","3","3","5","3","7","7","1") = "6"
    & skf21("3","3","3","5","4","1","1","1") = "4"
    & skf21("3","3","3","5","4","1","2","1") = "4"
    & skf21("3","3","3","5","4","1","3","1") = "4"
    & skf21("3","3","3","5","4","1","4","1") = "4"
    & skf21("3","3","3","5","4","1","5","1") = "4"
    & skf21("3","3","3","5","4","1","6","1") = "5"
    & skf21("3","3","3","5","4","1","7","1") = "6"
    & skf21("3","3","3","5","4","2","1","1") = "4"
    & skf21("3","3","3","5","4","2","2","1") = "4"
    & skf21("3","3","3","5","4","2","3","1") = "4"
    & skf21("3","3","3","5","4","2","4","1") = "4"
    & skf21("3","3","3","5","4","2","5","1") = "4"
    & skf21("3","3","3","5","4","2","6","1") = "5"
    & skf21("3","3","3","5","4","2","7","1") = "6"
    & skf21("3","3","3","5","4","3","1","1") = "4"
    & skf21("3","3","3","5","4","3","2","1") = "4"
    & skf21("3","3","3","5","4","3","3","1") = "4"
    & skf21("3","3","3","5","4","3","4","1") = "4"
    & skf21("3","3","3","5","4","3","5","1") = "4"
    & skf21("3","3","3","5","4","3","6","1") = "5"
    & skf21("3","3","3","5","4","3","7","1") = "6"
    & skf21("3","3","3","5","4","4","1","1") = "4"
    & skf21("3","3","3","5","4","4","2","1") = "4"
    & skf21("3","3","3","5","4","4","3","1") = "4"
    & skf21("3","3","3","5","4","4","4","1") = "4"
    & skf21("3","3","3","5","4","4","5","1") = "4"
    & skf21("3","3","3","5","4","4","6","1") = "5"
    & skf21("3","3","3","5","4","4","7","1") = "6"
    & skf21("3","3","3","5","4","5","1","1") = "4"
    & skf21("3","3","3","5","4","5","2","1") = "4"
    & skf21("3","3","3","5","4","5","3","1") = "4"
    & skf21("3","3","3","5","4","5","4","1") = "4"
    & skf21("3","3","3","5","4","5","5","1") = "4"
    & skf21("3","3","3","5","4","5","6","1") = "5"
    & skf21("3","3","3","5","4","5","7","1") = "6"
    & skf21("3","3","3","5","4","6","1","1") = "5"
    & skf21("3","3","3","5","4","6","2","1") = "5"
    & skf21("3","3","3","5","4","6","3","1") = "5"
    & skf21("3","3","3","5","4","6","4","1") = "5"
    & skf21("3","3","3","5","4","6","5","1") = "5"
    & skf21("3","3","3","5","4","6","6","1") = "5"
    & skf21("3","3","3","5","4","6","7","1") = "6"
    & skf21("3","3","3","5","4","7","1","1") = "6"
    & skf21("3","3","3","5","4","7","2","1") = "6"
    & skf21("3","3","3","5","4","7","3","1") = "6"
    & skf21("3","3","3","5","4","7","4","1") = "6"
    & skf21("3","3","3","5","4","7","5","1") = "6"
    & skf21("3","3","3","5","4","7","6","1") = "6"
    & skf21("3","3","3","5","4","7","7","1") = "6"
    & skf21("3","3","3","5","5","1","1","1") = "4"
    & skf21("3","3","3","5","5","1","2","1") = "4"
    & skf21("3","3","3","5","5","1","3","1") = "4"
    & skf21("3","3","3","5","5","1","4","1") = "4"
    & skf21("3","3","3","5","5","1","5","1") = "4"
    & skf21("3","3","3","5","5","1","6","1") = "5"
    & skf21("3","3","3","5","5","1","7","1") = "6"
    & skf21("3","3","3","5","5","2","1","1") = "4"
    & skf21("3","3","3","5","5","2","2","1") = "4"
    & skf21("3","3","3","5","5","2","3","1") = "4"
    & skf21("3","3","3","5","5","2","4","1") = "4"
    & skf21("3","3","3","5","5","2","5","1") = "4"
    & skf21("3","3","3","5","5","2","6","1") = "5"
    & skf21("3","3","3","5","5","2","7","1") = "6"
    & skf21("3","3","3","5","5","3","1","1") = "4"
    & skf21("3","3","3","5","5","3","2","1") = "4"
    & skf21("3","3","3","5","5","3","3","1") = "4"
    & skf21("3","3","3","5","5","3","4","1") = "4"
    & skf21("3","3","3","5","5","3","5","1") = "4"
    & skf21("3","3","3","5","5","3","6","1") = "5"
    & skf21("3","3","3","5","5","3","7","1") = "6"
    & skf21("3","3","3","5","5","4","1","1") = "4"
    & skf21("3","3","3","5","5","4","2","1") = "4"
    & skf21("3","3","3","5","5","4","3","1") = "4"
    & skf21("3","3","3","5","5","4","4","1") = "4"
    & skf21("3","3","3","5","5","4","5","1") = "4"
    & skf21("3","3","3","5","5","4","6","1") = "5"
    & skf21("3","3","3","5","5","4","7","1") = "6"
    & skf21("3","3","3","5","5","5","1","1") = "4"
    & skf21("3","3","3","5","5","5","2","1") = "4"
    & skf21("3","3","3","5","5","5","3","1") = "4"
    & skf21("3","3","3","5","5","5","4","1") = "4"
    & skf21("3","3","3","5","5","5","5","1") = "4"
    & skf21("3","3","3","5","5","5","6","1") = "5"
    & skf21("3","3","3","5","5","5","7","1") = "6"
    & skf21("3","3","3","5","5","6","1","1") = "5"
    & skf21("3","3","3","5","5","6","2","1") = "5"
    & skf21("3","3","3","5","5","6","3","1") = "5"
    & skf21("3","3","3","5","5","6","4","1") = "5"
    & skf21("3","3","3","5","5","6","5","1") = "5"
    & skf21("3","3","3","5","5","6","6","1") = "5"
    & skf21("3","3","3","5","5","6","7","1") = "6"
    & skf21("3","3","3","5","5","7","1","1") = "6"
    & skf21("3","3","3","5","5","7","2","1") = "6"
    & skf21("3","3","3","5","5","7","3","1") = "6"
    & skf21("3","3","3","5","5","7","4","1") = "6"
    & skf21("3","3","3","5","5","7","5","1") = "6"
    & skf21("3","3","3","5","5","7","6","1") = "6"
    & skf21("3","3","3","5","5","7","7","1") = "6"
    & skf21("3","3","3","5","6","1","1","1") = "5"
    & skf21("3","3","3","5","6","1","2","1") = "5"
    & skf21("3","3","3","5","6","1","3","1") = "5"
    & skf21("3","3","3","5","6","1","4","1") = "5"
    & skf21("3","3","3","5","6","1","5","1") = "5"
    & skf21("3","3","3","5","6","1","6","1") = "5"
    & skf21("3","3","3","5","6","1","7","1") = "6"
    & skf21("3","3","3","5","6","2","1","1") = "5"
    & skf21("3","3","3","5","6","2","2","1") = "5"
    & skf21("3","3","3","5","6","2","3","1") = "5"
    & skf21("3","3","3","5","6","2","4","1") = "5"
    & skf21("3","3","3","5","6","2","5","1") = "5"
    & skf21("3","3","3","5","6","2","6","1") = "5"
    & skf21("3","3","3","5","6","2","7","1") = "6"
    & skf21("3","3","3","5","6","3","1","1") = "5"
    & skf21("3","3","3","5","6","3","2","1") = "5"
    & skf21("3","3","3","5","6","3","3","1") = "5"
    & skf21("3","3","3","5","6","3","4","1") = "5"
    & skf21("3","3","3","5","6","3","5","1") = "5"
    & skf21("3","3","3","5","6","3","6","1") = "5"
    & skf21("3","3","3","5","6","3","7","1") = "6"
    & skf21("3","3","3","5","6","4","1","1") = "5"
    & skf21("3","3","3","5","6","4","2","1") = "5"
    & skf21("3","3","3","5","6","4","3","1") = "5"
    & skf21("3","3","3","5","6","4","4","1") = "5"
    & skf21("3","3","3","5","6","4","5","1") = "5"
    & skf21("3","3","3","5","6","4","6","1") = "5"
    & skf21("3","3","3","5","6","4","7","1") = "6"
    & skf21("3","3","3","5","6","5","1","1") = "5"
    & skf21("3","3","3","5","6","5","2","1") = "5"
    & skf21("3","3","3","5","6","5","3","1") = "5"
    & skf21("3","3","3","5","6","5","4","1") = "5"
    & skf21("3","3","3","5","6","5","5","1") = "5"
    & skf21("3","3","3","5","6","5","6","1") = "5"
    & skf21("3","3","3","5","6","5","7","1") = "6"
    & skf21("3","3","3","5","6","6","1","1") = "5"
    & skf21("3","3","3","5","6","6","2","1") = "5"
    & skf21("3","3","3","5","6","6","3","1") = "5"
    & skf21("3","3","3","5","6","6","4","1") = "5"
    & skf21("3","3","3","5","6","6","5","1") = "5"
    & skf21("3","3","3","5","6","6","6","1") = "5"
    & skf21("3","3","3","5","6","6","7","1") = "6"
    & skf21("3","3","3","5","6","7","1","1") = "6"
    & skf21("3","3","3","5","6","7","2","1") = "6"
    & skf21("3","3","3","5","6","7","3","1") = "6"
    & skf21("3","3","3","5","6","7","4","1") = "6"
    & skf21("3","3","3","5","6","7","5","1") = "6"
    & skf21("3","3","3","5","6","7","6","1") = "6"
    & skf21("3","3","3","5","6","7","7","1") = "6"
    & skf21("3","3","3","5","7","1","1","1") = "6"
    & skf21("3","3","3","5","7","1","2","1") = "6"
    & skf21("3","3","3","5","7","1","3","1") = "6"
    & skf21("3","3","3","5","7","1","4","1") = "6"
    & skf21("3","3","3","5","7","1","5","1") = "6"
    & skf21("3","3","3","5","7","1","6","1") = "6"
    & skf21("3","3","3","5","7","1","7","1") = "6"
    & skf21("3","3","3","5","7","2","1","1") = "6"
    & skf21("3","3","3","5","7","2","2","1") = "6"
    & skf21("3","3","3","5","7","2","3","1") = "6"
    & skf21("3","3","3","5","7","2","4","1") = "6"
    & skf21("3","3","3","5","7","2","5","1") = "6"
    & skf21("3","3","3","5","7","2","6","1") = "6"
    & skf21("3","3","3","5","7","2","7","1") = "6"
    & skf21("3","3","3","5","7","3","1","1") = "6"
    & skf21("3","3","3","5","7","3","2","1") = "6"
    & skf21("3","3","3","5","7","3","3","1") = "6"
    & skf21("3","3","3","5","7","3","4","1") = "6"
    & skf21("3","3","3","5","7","3","5","1") = "6"
    & skf21("3","3","3","5","7","3","6","1") = "6"
    & skf21("3","3","3","5","7","3","7","1") = "6"
    & skf21("3","3","3","5","7","4","1","1") = "6"
    & skf21("3","3","3","5","7","4","2","1") = "6"
    & skf21("3","3","3","5","7","4","3","1") = "6"
    & skf21("3","3","3","5","7","4","4","1") = "6"
    & skf21("3","3","3","5","7","4","5","1") = "6"
    & skf21("3","3","3","5","7","4","6","1") = "6"
    & skf21("3","3","3","5","7","4","7","1") = "6"
    & skf21("3","3","3","5","7","5","1","1") = "6"
    & skf21("3","3","3","5","7","5","2","1") = "6"
    & skf21("3","3","3","5","7","5","3","1") = "6"
    & skf21("3","3","3","5","7","5","4","1") = "6"
    & skf21("3","3","3","5","7","5","5","1") = "6"
    & skf21("3","3","3","5","7","5","6","1") = "6"
    & skf21("3","3","3","5","7","5","7","1") = "6"
    & skf21("3","3","3","5","7","6","1","1") = "6"
    & skf21("3","3","3","5","7","6","2","1") = "6"
    & skf21("3","3","3","5","7","6","3","1") = "6"
    & skf21("3","3","3","5","7","6","4","1") = "6"
    & skf21("3","3","3","5","7","6","5","1") = "6"
    & skf21("3","3","3","5","7","6","6","1") = "6"
    & skf21("3","3","3","5","7","6","7","1") = "6"
    & skf21("3","3","3","5","7","7","1","1") = "6"
    & skf21("3","3","3","5","7","7","2","1") = "6"
    & skf21("3","3","3","5","7","7","3","1") = "6"
    & skf21("3","3","3","5","7","7","4","1") = "6"
    & skf21("3","3","3","5","7","7","5","1") = "6"
    & skf21("3","3","3","5","7","7","6","1") = "6"
    & skf21("3","3","3","5","7","7","7","1") = "6"
    & skf21("3","3","3","6","1","1","1","1") = "5"
    & skf21("3","3","3","6","1","1","2","1") = "5"
    & skf21("3","3","3","6","1","1","3","1") = "5"
    & skf21("3","3","3","6","1","1","4","1") = "5"
    & skf21("3","3","3","6","1","1","5","1") = "5"
    & skf21("3","3","3","6","1","1","6","1") = "5"
    & skf21("3","3","3","6","1","1","7","1") = "6"
    & skf21("3","3","3","6","1","2","1","1") = "5"
    & skf21("3","3","3","6","1","2","2","1") = "5"
    & skf21("3","3","3","6","1","2","3","1") = "5"
    & skf21("3","3","3","6","1","2","4","1") = "5"
    & skf21("3","3","3","6","1","2","5","1") = "5"
    & skf21("3","3","3","6","1","2","6","1") = "5"
    & skf21("3","3","3","6","1","2","7","1") = "6"
    & skf21("3","3","3","6","1","3","1","1") = "5"
    & skf21("3","3","3","6","1","3","2","1") = "5"
    & skf21("3","3","3","6","1","3","3","1") = "5"
    & skf21("3","3","3","6","1","3","4","1") = "5"
    & skf21("3","3","3","6","1","3","5","1") = "5"
    & skf21("3","3","3","6","1","3","6","1") = "5"
    & skf21("3","3","3","6","1","3","7","1") = "6"
    & skf21("3","3","3","6","1","4","1","1") = "5"
    & skf21("3","3","3","6","1","4","2","1") = "5"
    & skf21("3","3","3","6","1","4","3","1") = "5"
    & skf21("3","3","3","6","1","4","4","1") = "5"
    & skf21("3","3","3","6","1","4","5","1") = "5"
    & skf21("3","3","3","6","1","4","6","1") = "5"
    & skf21("3","3","3","6","1","4","7","1") = "6"
    & skf21("3","3","3","6","1","5","1","1") = "5"
    & skf21("3","3","3","6","1","5","2","1") = "5"
    & skf21("3","3","3","6","1","5","3","1") = "5"
    & skf21("3","3","3","6","1","5","4","1") = "5"
    & skf21("3","3","3","6","1","5","5","1") = "5"
    & skf21("3","3","3","6","1","5","6","1") = "5"
    & skf21("3","3","3","6","1","5","7","1") = "6"
    & skf21("3","3","3","6","1","6","1","1") = "5"
    & skf21("3","3","3","6","1","6","2","1") = "5"
    & skf21("3","3","3","6","1","6","3","1") = "5"
    & skf21("3","3","3","6","1","6","4","1") = "5"
    & skf21("3","3","3","6","1","6","5","1") = "5"
    & skf21("3","3","3","6","1","6","6","1") = "5"
    & skf21("3","3","3","6","1","6","7","1") = "6"
    & skf21("3","3","3","6","1","7","1","1") = "6"
    & skf21("3","3","3","6","1","7","2","1") = "6"
    & skf21("3","3","3","6","1","7","3","1") = "6"
    & skf21("3","3","3","6","1","7","4","1") = "6"
    & skf21("3","3","3","6","1","7","5","1") = "6"
    & skf21("3","3","3","6","1","7","6","1") = "6"
    & skf21("3","3","3","6","1","7","7","1") = "6"
    & skf21("3","3","3","6","2","1","1","1") = "5"
    & skf21("3","3","3","6","2","1","2","1") = "5"
    & skf21("3","3","3","6","2","1","3","1") = "5"
    & skf21("3","3","3","6","2","1","4","1") = "5"
    & skf21("3","3","3","6","2","1","5","1") = "5"
    & skf21("3","3","3","6","2","1","6","1") = "5"
    & skf21("3","3","3","6","2","1","7","1") = "6"
    & skf21("3","3","3","6","2","2","1","1") = "5"
    & skf21("3","3","3","6","2","2","2","1") = "5"
    & skf21("3","3","3","6","2","2","3","1") = "5"
    & skf21("3","3","3","6","2","2","4","1") = "5"
    & skf21("3","3","3","6","2","2","5","1") = "5"
    & skf21("3","3","3","6","2","2","6","1") = "5"
    & skf21("3","3","3","6","2","2","7","1") = "6"
    & skf21("3","3","3","6","2","3","1","1") = "5"
    & skf21("3","3","3","6","2","3","2","1") = "5"
    & skf21("3","3","3","6","2","3","3","1") = "5"
    & skf21("3","3","3","6","2","3","4","1") = "5"
    & skf21("3","3","3","6","2","3","5","1") = "5"
    & skf21("3","3","3","6","2","3","6","1") = "5"
    & skf21("3","3","3","6","2","3","7","1") = "6"
    & skf21("3","3","3","6","2","4","1","1") = "5"
    & skf21("3","3","3","6","2","4","2","1") = "5"
    & skf21("3","3","3","6","2","4","3","1") = "5"
    & skf21("3","3","3","6","2","4","4","1") = "5"
    & skf21("3","3","3","6","2","4","5","1") = "5"
    & skf21("3","3","3","6","2","4","6","1") = "5"
    & skf21("3","3","3","6","2","4","7","1") = "6"
    & skf21("3","3","3","6","2","5","1","1") = "5"
    & skf21("3","3","3","6","2","5","2","1") = "5"
    & skf21("3","3","3","6","2","5","3","1") = "5"
    & skf21("3","3","3","6","2","5","4","1") = "5"
    & skf21("3","3","3","6","2","5","5","1") = "5"
    & skf21("3","3","3","6","2","5","6","1") = "5"
    & skf21("3","3","3","6","2","5","7","1") = "6"
    & skf21("3","3","3","6","2","6","1","1") = "5"
    & skf21("3","3","3","6","2","6","2","1") = "5"
    & skf21("3","3","3","6","2","6","3","1") = "5"
    & skf21("3","3","3","6","2","6","4","1") = "5"
    & skf21("3","3","3","6","2","6","5","1") = "5"
    & skf21("3","3","3","6","2","6","6","1") = "5"
    & skf21("3","3","3","6","2","6","7","1") = "6"
    & skf21("3","3","3","6","2","7","1","1") = "6"
    & skf21("3","3","3","6","2","7","2","1") = "6"
    & skf21("3","3","3","6","2","7","3","1") = "6"
    & skf21("3","3","3","6","2","7","4","1") = "6"
    & skf21("3","3","3","6","2","7","5","1") = "6"
    & skf21("3","3","3","6","2","7","6","1") = "6"
    & skf21("3","3","3","6","2","7","7","1") = "6"
    & skf21("3","3","3","6","3","1","1","1") = "5"
    & skf21("3","3","3","6","3","1","2","1") = "5"
    & skf21("3","3","3","6","3","1","3","1") = "5"
    & skf21("3","3","3","6","3","1","4","1") = "5"
    & skf21("3","3","3","6","3","1","5","1") = "5"
    & skf21("3","3","3","6","3","1","6","1") = "5"
    & skf21("3","3","3","6","3","1","7","1") = "6"
    & skf21("3","3","3","6","3","2","1","1") = "5"
    & skf21("3","3","3","6","3","2","2","1") = "5"
    & skf21("3","3","3","6","3","2","3","1") = "5"
    & skf21("3","3","3","6","3","2","4","1") = "5"
    & skf21("3","3","3","6","3","2","5","1") = "5"
    & skf21("3","3","3","6","3","2","6","1") = "5"
    & skf21("3","3","3","6","3","2","7","1") = "6"
    & skf21("3","3","3","6","3","3","1","1") = "5"
    & skf21("3","3","3","6","3","3","2","1") = "5"
    & skf21("3","3","3","6","3","3","3","1") = "5"
    & skf21("3","3","3","6","3","3","4","1") = "5"
    & skf21("3","3","3","6","3","3","5","1") = "5"
    & skf21("3","3","3","6","3","3","6","1") = "5"
    & skf21("3","3","3","6","3","3","7","1") = "6"
    & skf21("3","3","3","6","3","4","1","1") = "5"
    & skf21("3","3","3","6","3","4","2","1") = "5"
    & skf21("3","3","3","6","3","4","3","1") = "5"
    & skf21("3","3","3","6","3","4","4","1") = "5"
    & skf21("3","3","3","6","3","4","5","1") = "5"
    & skf21("3","3","3","6","3","4","6","1") = "5"
    & skf21("3","3","3","6","3","4","7","1") = "6"
    & skf21("3","3","3","6","3","5","1","1") = "5"
    & skf21("3","3","3","6","3","5","2","1") = "5"
    & skf21("3","3","3","6","3","5","3","1") = "5"
    & skf21("3","3","3","6","3","5","4","1") = "5"
    & skf21("3","3","3","6","3","5","5","1") = "5"
    & skf21("3","3","3","6","3","5","6","1") = "5"
    & skf21("3","3","3","6","3","5","7","1") = "6"
    & skf21("3","3","3","6","3","6","1","1") = "5"
    & skf21("3","3","3","6","3","6","2","1") = "5"
    & skf21("3","3","3","6","3","6","3","1") = "5"
    & skf21("3","3","3","6","3","6","4","1") = "5"
    & skf21("3","3","3","6","3","6","5","1") = "5"
    & skf21("3","3","3","6","3","6","6","1") = "5"
    & skf21("3","3","3","6","3","6","7","1") = "6"
    & skf21("3","3","3","6","3","7","1","1") = "6"
    & skf21("3","3","3","6","3","7","2","1") = "6"
    & skf21("3","3","3","6","3","7","3","1") = "6"
    & skf21("3","3","3","6","3","7","4","1") = "6"
    & skf21("3","3","3","6","3","7","5","1") = "6"
    & skf21("3","3","3","6","3","7","6","1") = "6"
    & skf21("3","3","3","6","3","7","7","1") = "6"
    & skf21("3","3","3","6","4","1","1","1") = "5"
    & skf21("3","3","3","6","4","1","2","1") = "5"
    & skf21("3","3","3","6","4","1","3","1") = "5"
    & skf21("3","3","3","6","4","1","4","1") = "5"
    & skf21("3","3","3","6","4","1","5","1") = "5"
    & skf21("3","3","3","6","4","1","6","1") = "5"
    & skf21("3","3","3","6","4","1","7","1") = "6"
    & skf21("3","3","3","6","4","2","1","1") = "5"
    & skf21("3","3","3","6","4","2","2","1") = "5"
    & skf21("3","3","3","6","4","2","3","1") = "5"
    & skf21("3","3","3","6","4","2","4","1") = "5"
    & skf21("3","3","3","6","4","2","5","1") = "5"
    & skf21("3","3","3","6","4","2","6","1") = "5"
    & skf21("3","3","3","6","4","2","7","1") = "6"
    & skf21("3","3","3","6","4","3","1","1") = "5"
    & skf21("3","3","3","6","4","3","2","1") = "5"
    & skf21("3","3","3","6","4","3","3","1") = "5"
    & skf21("3","3","3","6","4","3","4","1") = "5"
    & skf21("3","3","3","6","4","3","5","1") = "5"
    & skf21("3","3","3","6","4","3","6","1") = "5"
    & skf21("3","3","3","6","4","3","7","1") = "6"
    & skf21("3","3","3","6","4","4","1","1") = "5"
    & skf21("3","3","3","6","4","4","2","1") = "5"
    & skf21("3","3","3","6","4","4","3","1") = "5"
    & skf21("3","3","3","6","4","4","4","1") = "5"
    & skf21("3","3","3","6","4","4","5","1") = "5"
    & skf21("3","3","3","6","4","4","6","1") = "5"
    & skf21("3","3","3","6","4","4","7","1") = "6"
    & skf21("3","3","3","6","4","5","1","1") = "5"
    & skf21("3","3","3","6","4","5","2","1") = "5"
    & skf21("3","3","3","6","4","5","3","1") = "5"
    & skf21("3","3","3","6","4","5","4","1") = "5"
    & skf21("3","3","3","6","4","5","5","1") = "5"
    & skf21("3","3","3","6","4","5","6","1") = "5"
    & skf21("3","3","3","6","4","5","7","1") = "6"
    & skf21("3","3","3","6","4","6","1","1") = "5"
    & skf21("3","3","3","6","4","6","2","1") = "5"
    & skf21("3","3","3","6","4","6","3","1") = "5"
    & skf21("3","3","3","6","4","6","4","1") = "5"
    & skf21("3","3","3","6","4","6","5","1") = "5"
    & skf21("3","3","3","6","4","6","6","1") = "5"
    & skf21("3","3","3","6","4","6","7","1") = "6"
    & skf21("3","3","3","6","4","7","1","1") = "6"
    & skf21("3","3","3","6","4","7","2","1") = "6"
    & skf21("3","3","3","6","4","7","3","1") = "6"
    & skf21("3","3","3","6","4","7","4","1") = "6"
    & skf21("3","3","3","6","4","7","5","1") = "6"
    & skf21("3","3","3","6","4","7","6","1") = "6"
    & skf21("3","3","3","6","4","7","7","1") = "6"
    & skf21("3","3","3","6","5","1","1","1") = "5"
    & skf21("3","3","3","6","5","1","2","1") = "5"
    & skf21("3","3","3","6","5","1","3","1") = "5"
    & skf21("3","3","3","6","5","1","4","1") = "5"
    & skf21("3","3","3","6","5","1","5","1") = "5"
    & skf21("3","3","3","6","5","1","6","1") = "5"
    & skf21("3","3","3","6","5","1","7","1") = "6"
    & skf21("3","3","3","6","5","2","1","1") = "5"
    & skf21("3","3","3","6","5","2","2","1") = "5"
    & skf21("3","3","3","6","5","2","3","1") = "5"
    & skf21("3","3","3","6","5","2","4","1") = "5"
    & skf21("3","3","3","6","5","2","5","1") = "5"
    & skf21("3","3","3","6","5","2","6","1") = "5"
    & skf21("3","3","3","6","5","2","7","1") = "6"
    & skf21("3","3","3","6","5","3","1","1") = "5"
    & skf21("3","3","3","6","5","3","2","1") = "5"
    & skf21("3","3","3","6","5","3","3","1") = "5"
    & skf21("3","3","3","6","5","3","4","1") = "5"
    & skf21("3","3","3","6","5","3","5","1") = "5"
    & skf21("3","3","3","6","5","3","6","1") = "5"
    & skf21("3","3","3","6","5","3","7","1") = "6"
    & skf21("3","3","3","6","5","4","1","1") = "5"
    & skf21("3","3","3","6","5","4","2","1") = "5"
    & skf21("3","3","3","6","5","4","3","1") = "5"
    & skf21("3","3","3","6","5","4","4","1") = "5"
    & skf21("3","3","3","6","5","4","5","1") = "5"
    & skf21("3","3","3","6","5","4","6","1") = "5"
    & skf21("3","3","3","6","5","4","7","1") = "6"
    & skf21("3","3","3","6","5","5","1","1") = "5"
    & skf21("3","3","3","6","5","5","2","1") = "5"
    & skf21("3","3","3","6","5","5","3","1") = "5"
    & skf21("3","3","3","6","5","5","4","1") = "5"
    & skf21("3","3","3","6","5","5","5","1") = "5"
    & skf21("3","3","3","6","5","5","6","1") = "5"
    & skf21("3","3","3","6","5","5","7","1") = "6"
    & skf21("3","3","3","6","5","6","1","1") = "5"
    & skf21("3","3","3","6","5","6","2","1") = "5"
    & skf21("3","3","3","6","5","6","3","1") = "5"
    & skf21("3","3","3","6","5","6","4","1") = "5"
    & skf21("3","3","3","6","5","6","5","1") = "5"
    & skf21("3","3","3","6","5","6","6","1") = "5"
    & skf21("3","3","3","6","5","6","7","1") = "6"
    & skf21("3","3","3","6","5","7","1","1") = "6"
    & skf21("3","3","3","6","5","7","2","1") = "6"
    & skf21("3","3","3","6","5","7","3","1") = "6"
    & skf21("3","3","3","6","5","7","4","1") = "6"
    & skf21("3","3","3","6","5","7","5","1") = "6"
    & skf21("3","3","3","6","5","7","6","1") = "6"
    & skf21("3","3","3","6","5","7","7","1") = "6"
    & skf21("3","3","3","6","6","1","1","1") = "5"
    & skf21("3","3","3","6","6","1","2","1") = "5"
    & skf21("3","3","3","6","6","1","3","1") = "5"
    & skf21("3","3","3","6","6","1","4","1") = "5"
    & skf21("3","3","3","6","6","1","5","1") = "5"
    & skf21("3","3","3","6","6","1","6","1") = "5"
    & skf21("3","3","3","6","6","1","7","1") = "6"
    & skf21("3","3","3","6","6","2","1","1") = "5"
    & skf21("3","3","3","6","6","2","2","1") = "5"
    & skf21("3","3","3","6","6","2","3","1") = "5"
    & skf21("3","3","3","6","6","2","4","1") = "5"
    & skf21("3","3","3","6","6","2","5","1") = "5"
    & skf21("3","3","3","6","6","2","6","1") = "5"
    & skf21("3","3","3","6","6","2","7","1") = "6"
    & skf21("3","3","3","6","6","3","1","1") = "5"
    & skf21("3","3","3","6","6","3","2","1") = "5"
    & skf21("3","3","3","6","6","3","3","1") = "5"
    & skf21("3","3","3","6","6","3","4","1") = "5"
    & skf21("3","3","3","6","6","3","5","1") = "5"
    & skf21("3","3","3","6","6","3","6","1") = "5"
    & skf21("3","3","3","6","6","3","7","1") = "6"
    & skf21("3","3","3","6","6","4","1","1") = "5"
    & skf21("3","3","3","6","6","4","2","1") = "5"
    & skf21("3","3","3","6","6","4","3","1") = "5"
    & skf21("3","3","3","6","6","4","4","1") = "5"
    & skf21("3","3","3","6","6","4","5","1") = "5"
    & skf21("3","3","3","6","6","4","6","1") = "5"
    & skf21("3","3","3","6","6","4","7","1") = "6"
    & skf21("3","3","3","6","6","5","1","1") = "5"
    & skf21("3","3","3","6","6","5","2","1") = "5"
    & skf21("3","3","3","6","6","5","3","1") = "5"
    & skf21("3","3","3","6","6","5","4","1") = "5"
    & skf21("3","3","3","6","6","5","5","1") = "5"
    & skf21("3","3","3","6","6","5","6","1") = "5"
    & skf21("3","3","3","6","6","5","7","1") = "6"
    & skf21("3","3","3","6","6","6","1","1") = "5"
    & skf21("3","3","3","6","6","6","2","1") = "5"
    & skf21("3","3","3","6","6","6","3","1") = "5"
    & skf21("3","3","3","6","6","6","4","1") = "5"
    & skf21("3","3","3","6","6","6","5","1") = "5"
    & skf21("3","3","3","6","6","6","6","1") = "5"
    & skf21("3","3","3","6","6","6","7","1") = "6"
    & skf21("3","3","3","6","6","7","1","1") = "6"
    & skf21("3","3","3","6","6","7","2","1") = "6"
    & skf21("3","3","3","6","6","7","3","1") = "6"
    & skf21("3","3","3","6","6","7","4","1") = "6"
    & skf21("3","3","3","6","6","7","5","1") = "6"
    & skf21("3","3","3","6","6","7","6","1") = "6"
    & skf21("3","3","3","6","6","7","7","1") = "6"
    & skf21("3","3","3","6","7","1","1","1") = "6"
    & skf21("3","3","3","6","7","1","2","1") = "6"
    & skf21("3","3","3","6","7","1","3","1") = "6"
    & skf21("3","3","3","6","7","1","4","1") = "6"
    & skf21("3","3","3","6","7","1","5","1") = "6"
    & skf21("3","3","3","6","7","1","6","1") = "6"
    & skf21("3","3","3","6","7","1","7","1") = "6"
    & skf21("3","3","3","6","7","2","1","1") = "6"
    & skf21("3","3","3","6","7","2","2","1") = "6"
    & skf21("3","3","3","6","7","2","3","1") = "6"
    & skf21("3","3","3","6","7","2","4","1") = "6"
    & skf21("3","3","3","6","7","2","5","1") = "6"
    & skf21("3","3","3","6","7","2","6","1") = "6"
    & skf21("3","3","3","6","7","2","7","1") = "6"
    & skf21("3","3","3","6","7","3","1","1") = "6"
    & skf21("3","3","3","6","7","3","2","1") = "6"
    & skf21("3","3","3","6","7","3","3","1") = "6"
    & skf21("3","3","3","6","7","3","4","1") = "6"
    & skf21("3","3","3","6","7","3","5","1") = "6"
    & skf21("3","3","3","6","7","3","6","1") = "6"
    & skf21("3","3","3","6","7","3","7","1") = "6"
    & skf21("3","3","3","6","7","4","1","1") = "6"
    & skf21("3","3","3","6","7","4","2","1") = "6"
    & skf21("3","3","3","6","7","4","3","1") = "6"
    & skf21("3","3","3","6","7","4","4","1") = "6"
    & skf21("3","3","3","6","7","4","5","1") = "6"
    & skf21("3","3","3","6","7","4","6","1") = "6"
    & skf21("3","3","3","6","7","4","7","1") = "6"
    & skf21("3","3","3","6","7","5","1","1") = "6"
    & skf21("3","3","3","6","7","5","2","1") = "6"
    & skf21("3","3","3","6","7","5","3","1") = "6"
    & skf21("3","3","3","6","7","5","4","1") = "6"
    & skf21("3","3","3","6","7","5","5","1") = "6"
    & skf21("3","3","3","6","7","5","6","1") = "6"
    & skf21("3","3","3","6","7","5","7","1") = "6"
    & skf21("3","3","3","6","7","6","1","1") = "6"
    & skf21("3","3","3","6","7","6","2","1") = "6"
    & skf21("3","3","3","6","7","6","3","1") = "6"
    & skf21("3","3","3","6","7","6","4","1") = "6"
    & skf21("3","3","3","6","7","6","5","1") = "6"
    & skf21("3","3","3","6","7","6","6","1") = "6"
    & skf21("3","3","3","6","7","6","7","1") = "6"
    & skf21("3","3","3","6","7","7","1","1") = "6"
    & skf21("3","3","3","6","7","7","2","1") = "6"
    & skf21("3","3","3","6","7","7","3","1") = "6"
    & skf21("3","3","3","6","7","7","4","1") = "6"
    & skf21("3","3","3","6","7","7","5","1") = "6"
    & skf21("3","3","3","6","7","7","6","1") = "6"
    & skf21("3","3","3","6","7","7","7","1") = "6"
    & skf21("3","3","3","7","1","1","1","1") = "6"
    & skf21("3","3","3","7","1","1","2","1") = "6"
    & skf21("3","3","3","7","1","1","3","1") = "6"
    & skf21("3","3","3","7","1","1","4","1") = "6"
    & skf21("3","3","3","7","1","1","5","1") = "6"
    & skf21("3","3","3","7","1","1","6","1") = "6"
    & skf21("3","3","3","7","1","1","7","1") = "6"
    & skf21("3","3","3","7","1","2","1","1") = "6"
    & skf21("3","3","3","7","1","2","2","1") = "6"
    & skf21("3","3","3","7","1","2","3","1") = "6"
    & skf21("3","3","3","7","1","2","4","1") = "6"
    & skf21("3","3","3","7","1","2","5","1") = "6"
    & skf21("3","3","3","7","1","2","6","1") = "6"
    & skf21("3","3","3","7","1","2","7","1") = "6"
    & skf21("3","3","3","7","1","3","1","1") = "6"
    & skf21("3","3","3","7","1","3","2","1") = "6"
    & skf21("3","3","3","7","1","3","3","1") = "6"
    & skf21("3","3","3","7","1","3","4","1") = "6"
    & skf21("3","3","3","7","1","3","5","1") = "6"
    & skf21("3","3","3","7","1","3","6","1") = "6"
    & skf21("3","3","3","7","1","3","7","1") = "6"
    & skf21("3","3","3","7","1","4","1","1") = "6"
    & skf21("3","3","3","7","1","4","2","1") = "6"
    & skf21("3","3","3","7","1","4","3","1") = "6"
    & skf21("3","3","3","7","1","4","4","1") = "6"
    & skf21("3","3","3","7","1","4","5","1") = "6"
    & skf21("3","3","3","7","1","4","6","1") = "6"
    & skf21("3","3","3","7","1","4","7","1") = "6"
    & skf21("3","3","3","7","1","5","1","1") = "6"
    & skf21("3","3","3","7","1","5","2","1") = "6"
    & skf21("3","3","3","7","1","5","3","1") = "6"
    & skf21("3","3","3","7","1","5","4","1") = "6"
    & skf21("3","3","3","7","1","5","5","1") = "6"
    & skf21("3","3","3","7","1","5","6","1") = "6"
    & skf21("3","3","3","7","1","5","7","1") = "6"
    & skf21("3","3","3","7","1","6","1","1") = "6"
    & skf21("3","3","3","7","1","6","2","1") = "6"
    & skf21("3","3","3","7","1","6","3","1") = "6"
    & skf21("3","3","3","7","1","6","4","1") = "6"
    & skf21("3","3","3","7","1","6","5","1") = "6"
    & skf21("3","3","3","7","1","6","6","1") = "6"
    & skf21("3","3","3","7","1","6","7","1") = "6"
    & skf21("3","3","3","7","1","7","1","1") = "6"
    & skf21("3","3","3","7","1","7","2","1") = "6"
    & skf21("3","3","3","7","1","7","3","1") = "6"
    & skf21("3","3","3","7","1","7","4","1") = "6"
    & skf21("3","3","3","7","1","7","5","1") = "6"
    & skf21("3","3","3","7","1","7","6","1") = "6"
    & skf21("3","3","3","7","1","7","7","1") = "6"
    & skf21("3","3","3","7","2","1","1","1") = "6"
    & skf21("3","3","3","7","2","1","2","1") = "6"
    & skf21("3","3","3","7","2","1","3","1") = "6"
    & skf21("3","3","3","7","2","1","4","1") = "6"
    & skf21("3","3","3","7","2","1","5","1") = "6"
    & skf21("3","3","3","7","2","1","6","1") = "6"
    & skf21("3","3","3","7","2","1","7","1") = "6"
    & skf21("3","3","3","7","2","2","1","1") = "6"
    & skf21("3","3","3","7","2","2","2","1") = "6"
    & skf21("3","3","3","7","2","2","3","1") = "6"
    & skf21("3","3","3","7","2","2","4","1") = "6"
    & skf21("3","3","3","7","2","2","5","1") = "6"
    & skf21("3","3","3","7","2","2","6","1") = "6"
    & skf21("3","3","3","7","2","2","7","1") = "6"
    & skf21("3","3","3","7","2","3","1","1") = "6"
    & skf21("3","3","3","7","2","3","2","1") = "6"
    & skf21("3","3","3","7","2","3","3","1") = "6"
    & skf21("3","3","3","7","2","3","4","1") = "6"
    & skf21("3","3","3","7","2","3","5","1") = "6"
    & skf21("3","3","3","7","2","3","6","1") = "6"
    & skf21("3","3","3","7","2","3","7","1") = "6"
    & skf21("3","3","3","7","2","4","1","1") = "6"
    & skf21("3","3","3","7","2","4","2","1") = "6"
    & skf21("3","3","3","7","2","4","3","1") = "6"
    & skf21("3","3","3","7","2","4","4","1") = "6"
    & skf21("3","3","3","7","2","4","5","1") = "6"
    & skf21("3","3","3","7","2","4","6","1") = "6"
    & skf21("3","3","3","7","2","4","7","1") = "6"
    & skf21("3","3","3","7","2","5","1","1") = "6"
    & skf21("3","3","3","7","2","5","2","1") = "6"
    & skf21("3","3","3","7","2","5","3","1") = "6"
    & skf21("3","3","3","7","2","5","4","1") = "6"
    & skf21("3","3","3","7","2","5","5","1") = "6"
    & skf21("3","3","3","7","2","5","6","1") = "6"
    & skf21("3","3","3","7","2","5","7","1") = "6"
    & skf21("3","3","3","7","2","6","1","1") = "6"
    & skf21("3","3","3","7","2","6","2","1") = "6"
    & skf21("3","3","3","7","2","6","3","1") = "6"
    & skf21("3","3","3","7","2","6","4","1") = "6"
    & skf21("3","3","3","7","2","6","5","1") = "6"
    & skf21("3","3","3","7","2","6","6","1") = "6"
    & skf21("3","3","3","7","2","6","7","1") = "6"
    & skf21("3","3","3","7","2","7","1","1") = "6"
    & skf21("3","3","3","7","2","7","2","1") = "6"
    & skf21("3","3","3","7","2","7","3","1") = "6"
    & skf21("3","3","3","7","2","7","4","1") = "6"
    & skf21("3","3","3","7","2","7","5","1") = "6"
    & skf21("3","3","3","7","2","7","6","1") = "6"
    & skf21("3","3","3","7","2","7","7","1") = "6"
    & skf21("3","3","3","7","3","1","1","1") = "6"
    & skf21("3","3","3","7","3","1","2","1") = "6"
    & skf21("3","3","3","7","3","1","3","1") = "6"
    & skf21("3","3","3","7","3","1","4","1") = "6"
    & skf21("3","3","3","7","3","1","5","1") = "6"
    & skf21("3","3","3","7","3","1","6","1") = "6"
    & skf21("3","3","3","7","3","1","7","1") = "6"
    & skf21("3","3","3","7","3","2","1","1") = "6"
    & skf21("3","3","3","7","3","2","2","1") = "6"
    & skf21("3","3","3","7","3","2","3","1") = "6"
    & skf21("3","3","3","7","3","2","4","1") = "6"
    & skf21("3","3","3","7","3","2","5","1") = "6"
    & skf21("3","3","3","7","3","2","6","1") = "6"
    & skf21("3","3","3","7","3","2","7","1") = "6"
    & skf21("3","3","3","7","3","3","1","1") = "6"
    & skf21("3","3","3","7","3","3","2","1") = "6"
    & skf21("3","3","3","7","3","3","3","1") = "6"
    & skf21("3","3","3","7","3","3","4","1") = "6"
    & skf21("3","3","3","7","3","3","5","1") = "6"
    & skf21("3","3","3","7","3","3","6","1") = "6"
    & skf21("3","3","3","7","3","3","7","1") = "6"
    & skf21("3","3","3","7","3","4","1","1") = "6"
    & skf21("3","3","3","7","3","4","2","1") = "6"
    & skf21("3","3","3","7","3","4","3","1") = "6"
    & skf21("3","3","3","7","3","4","4","1") = "6"
    & skf21("3","3","3","7","3","4","5","1") = "6"
    & skf21("3","3","3","7","3","4","6","1") = "6"
    & skf21("3","3","3","7","3","4","7","1") = "6"
    & skf21("3","3","3","7","3","5","1","1") = "6"
    & skf21("3","3","3","7","3","5","2","1") = "6"
    & skf21("3","3","3","7","3","5","3","1") = "6"
    & skf21("3","3","3","7","3","5","4","1") = "6"
    & skf21("3","3","3","7","3","5","5","1") = "6"
    & skf21("3","3","3","7","3","5","6","1") = "6"
    & skf21("3","3","3","7","3","5","7","1") = "6"
    & skf21("3","3","3","7","3","6","1","1") = "6"
    & skf21("3","3","3","7","3","6","2","1") = "6"
    & skf21("3","3","3","7","3","6","3","1") = "6"
    & skf21("3","3","3","7","3","6","4","1") = "6"
    & skf21("3","3","3","7","3","6","5","1") = "6"
    & skf21("3","3","3","7","3","6","6","1") = "6"
    & skf21("3","3","3","7","3","6","7","1") = "6"
    & skf21("3","3","3","7","3","7","1","1") = "6"
    & skf21("3","3","3","7","3","7","2","1") = "6"
    & skf21("3","3","3","7","3","7","3","1") = "6"
    & skf21("3","3","3","7","3","7","4","1") = "6"
    & skf21("3","3","3","7","3","7","5","1") = "6"
    & skf21("3","3","3","7","3","7","6","1") = "6"
    & skf21("3","3","3","7","3","7","7","1") = "6"
    & skf21("3","3","3","7","4","1","1","1") = "6"
    & skf21("3","3","3","7","4","1","2","1") = "6"
    & skf21("3","3","3","7","4","1","3","1") = "6"
    & skf21("3","3","3","7","4","1","4","1") = "6"
    & skf21("3","3","3","7","4","1","5","1") = "6"
    & skf21("3","3","3","7","4","1","6","1") = "6"
    & skf21("3","3","3","7","4","1","7","1") = "6"
    & skf21("3","3","3","7","4","2","1","1") = "6"
    & skf21("3","3","3","7","4","2","2","1") = "6"
    & skf21("3","3","3","7","4","2","3","1") = "6"
    & skf21("3","3","3","7","4","2","4","1") = "6"
    & skf21("3","3","3","7","4","2","5","1") = "6"
    & skf21("3","3","3","7","4","2","6","1") = "6"
    & skf21("3","3","3","7","4","2","7","1") = "6"
    & skf21("3","3","3","7","4","3","1","1") = "6"
    & skf21("3","3","3","7","4","3","2","1") = "6"
    & skf21("3","3","3","7","4","3","3","1") = "6"
    & skf21("3","3","3","7","4","3","4","1") = "6"
    & skf21("3","3","3","7","4","3","5","1") = "6"
    & skf21("3","3","3","7","4","3","6","1") = "6"
    & skf21("3","3","3","7","4","3","7","1") = "6"
    & skf21("3","3","3","7","4","4","1","1") = "6"
    & skf21("3","3","3","7","4","4","2","1") = "6"
    & skf21("3","3","3","7","4","4","3","1") = "6"
    & skf21("3","3","3","7","4","4","4","1") = "6"
    & skf21("3","3","3","7","4","4","5","1") = "6"
    & skf21("3","3","3","7","4","4","6","1") = "6"
    & skf21("3","3","3","7","4","4","7","1") = "6"
    & skf21("3","3","3","7","4","5","1","1") = "6"
    & skf21("3","3","3","7","4","5","2","1") = "6"
    & skf21("3","3","3","7","4","5","3","1") = "6"
    & skf21("3","3","3","7","4","5","4","1") = "6"
    & skf21("3","3","3","7","4","5","5","1") = "6"
    & skf21("3","3","3","7","4","5","6","1") = "6"
    & skf21("3","3","3","7","4","5","7","1") = "6"
    & skf21("3","3","3","7","4","6","1","1") = "6"
    & skf21("3","3","3","7","4","6","2","1") = "6"
    & skf21("3","3","3","7","4","6","3","1") = "6"
    & skf21("3","3","3","7","4","6","4","1") = "6"
    & skf21("3","3","3","7","4","6","5","1") = "6"
    & skf21("3","3","3","7","4","6","6","1") = "6"
    & skf21("3","3","3","7","4","6","7","1") = "6"
    & skf21("3","3","3","7","4","7","1","1") = "6"
    & skf21("3","3","3","7","4","7","2","1") = "6"
    & skf21("3","3","3","7","4","7","3","1") = "6"
    & skf21("3","3","3","7","4","7","4","1") = "6"
    & skf21("3","3","3","7","4","7","5","1") = "6"
    & skf21("3","3","3","7","4","7","6","1") = "6"
    & skf21("3","3","3","7","4","7","7","1") = "6"
    & skf21("3","3","3","7","5","1","1","1") = "6"
    & skf21("3","3","3","7","5","1","2","1") = "6"
    & skf21("3","3","3","7","5","1","3","1") = "6"
    & skf21("3","3","3","7","5","1","4","1") = "6"
    & skf21("3","3","3","7","5","1","5","1") = "6"
    & skf21("3","3","3","7","5","1","6","1") = "6"
    & skf21("3","3","3","7","5","1","7","1") = "6"
    & skf21("3","3","3","7","5","2","1","1") = "6"
    & skf21("3","3","3","7","5","2","2","1") = "6"
    & skf21("3","3","3","7","5","2","3","1") = "6"
    & skf21("3","3","3","7","5","2","4","1") = "6"
    & skf21("3","3","3","7","5","2","5","1") = "6"
    & skf21("3","3","3","7","5","2","6","1") = "6"
    & skf21("3","3","3","7","5","2","7","1") = "6"
    & skf21("3","3","3","7","5","3","1","1") = "6"
    & skf21("3","3","3","7","5","3","2","1") = "6"
    & skf21("3","3","3","7","5","3","3","1") = "6"
    & skf21("3","3","3","7","5","3","4","1") = "6"
    & skf21("3","3","3","7","5","3","5","1") = "6"
    & skf21("3","3","3","7","5","3","6","1") = "6"
    & skf21("3","3","3","7","5","3","7","1") = "6"
    & skf21("3","3","3","7","5","4","1","1") = "6"
    & skf21("3","3","3","7","5","4","2","1") = "6"
    & skf21("3","3","3","7","5","4","3","1") = "6"
    & skf21("3","3","3","7","5","4","4","1") = "6"
    & skf21("3","3","3","7","5","4","5","1") = "6"
    & skf21("3","3","3","7","5","4","6","1") = "6"
    & skf21("3","3","3","7","5","4","7","1") = "6"
    & skf21("3","3","3","7","5","5","1","1") = "6"
    & skf21("3","3","3","7","5","5","2","1") = "6"
    & skf21("3","3","3","7","5","5","3","1") = "6"
    & skf21("3","3","3","7","5","5","4","1") = "6"
    & skf21("3","3","3","7","5","5","5","1") = "6"
    & skf21("3","3","3","7","5","5","6","1") = "6"
    & skf21("3","3","3","7","5","5","7","1") = "6"
    & skf21("3","3","3","7","5","6","1","1") = "6"
    & skf21("3","3","3","7","5","6","2","1") = "6"
    & skf21("3","3","3","7","5","6","3","1") = "6"
    & skf21("3","3","3","7","5","6","4","1") = "6"
    & skf21("3","3","3","7","5","6","5","1") = "6"
    & skf21("3","3","3","7","5","6","6","1") = "6"
    & skf21("3","3","3","7","5","6","7","1") = "6"
    & skf21("3","3","3","7","5","7","1","1") = "6"
    & skf21("3","3","3","7","5","7","2","1") = "6"
    & skf21("3","3","3","7","5","7","3","1") = "6"
    & skf21("3","3","3","7","5","7","4","1") = "6"
    & skf21("3","3","3","7","5","7","5","1") = "6"
    & skf21("3","3","3","7","5","7","6","1") = "6"
    & skf21("3","3","3","7","5","7","7","1") = "6"
    & skf21("3","3","3","7","6","1","1","1") = "6"
    & skf21("3","3","3","7","6","1","2","1") = "6"
    & skf21("3","3","3","7","6","1","3","1") = "6"
    & skf21("3","3","3","7","6","1","4","1") = "6"
    & skf21("3","3","3","7","6","1","5","1") = "6"
    & skf21("3","3","3","7","6","1","6","1") = "6"
    & skf21("3","3","3","7","6","1","7","1") = "6"
    & skf21("3","3","3","7","6","2","1","1") = "6"
    & skf21("3","3","3","7","6","2","2","1") = "6"
    & skf21("3","3","3","7","6","2","3","1") = "6"
    & skf21("3","3","3","7","6","2","4","1") = "6"
    & skf21("3","3","3","7","6","2","5","1") = "6"
    & skf21("3","3","3","7","6","2","6","1") = "6"
    & skf21("3","3","3","7","6","2","7","1") = "6"
    & skf21("3","3","3","7","6","3","1","1") = "6"
    & skf21("3","3","3","7","6","3","2","1") = "6"
    & skf21("3","3","3","7","6","3","3","1") = "6"
    & skf21("3","3","3","7","6","3","4","1") = "6"
    & skf21("3","3","3","7","6","3","5","1") = "6"
    & skf21("3","3","3","7","6","3","6","1") = "6"
    & skf21("3","3","3","7","6","3","7","1") = "6"
    & skf21("3","3","3","7","6","4","1","1") = "6"
    & skf21("3","3","3","7","6","4","2","1") = "6"
    & skf21("3","3","3","7","6","4","3","1") = "6"
    & skf21("3","3","3","7","6","4","4","1") = "6"
    & skf21("3","3","3","7","6","4","5","1") = "6"
    & skf21("3","3","3","7","6","4","6","1") = "6"
    & skf21("3","3","3","7","6","4","7","1") = "6"
    & skf21("3","3","3","7","6","5","1","1") = "6"
    & skf21("3","3","3","7","6","5","2","1") = "6"
    & skf21("3","3","3","7","6","5","3","1") = "6"
    & skf21("3","3","3","7","6","5","4","1") = "6"
    & skf21("3","3","3","7","6","5","5","1") = "6"
    & skf21("3","3","3","7","6","5","6","1") = "6"
    & skf21("3","3","3","7","6","5","7","1") = "6"
    & skf21("3","3","3","7","6","6","1","1") = "6"
    & skf21("3","3","3","7","6","6","2","1") = "6"
    & skf21("3","3","3","7","6","6","3","1") = "6"
    & skf21("3","3","3","7","6","6","4","1") = "6"
    & skf21("3","3","3","7","6","6","5","1") = "6"
    & skf21("3","3","3","7","6","6","6","1") = "6"
    & skf21("3","3","3","7","6","6","7","1") = "6"
    & skf21("3","3","3","7","6","7","1","1") = "6"
    & skf21("3","3","3","7","6","7","2","1") = "6"
    & skf21("3","3","3","7","6","7","3","1") = "6"
    & skf21("3","3","3","7","6","7","4","1") = "6"
    & skf21("3","3","3","7","6","7","5","1") = "6"
    & skf21("3","3","3","7","6","7","6","1") = "6"
    & skf21("3","3","3","7","6","7","7","1") = "6"
    & skf21("3","3","3","7","7","1","1","1") = "6"
    & skf21("3","3","3","7","7","1","2","1") = "6"
    & skf21("3","3","3","7","7","1","3","1") = "6"
    & skf21("3","3","3","7","7","1","4","1") = "6"
    & skf21("3","3","3","7","7","1","5","1") = "6"
    & skf21("3","3","3","7","7","1","6","1") = "6"
    & skf21("3","3","3","7","7","1","7","1") = "6"
    & skf21("3","3","3","7","7","2","1","1") = "6"
    & skf21("3","3","3","7","7","2","2","1") = "6"
    & skf21("3","3","3","7","7","2","3","1") = "6"
    & skf21("3","3","3","7","7","2","4","1") = "6"
    & skf21("3","3","3","7","7","2","5","1") = "6"
    & skf21("3","3","3","7","7","2","6","1") = "6"
    & skf21("3","3","3","7","7","2","7","1") = "6"
    & skf21("3","3","3","7","7","3","1","1") = "6"
    & skf21("3","3","3","7","7","3","2","1") = "6"
    & skf21("3","3","3","7","7","3","3","1") = "6"
    & skf21("3","3","3","7","7","3","4","1") = "6"
    & skf21("3","3","3","7","7","3","5","1") = "6"
    & skf21("3","3","3","7","7","3","6","1") = "6"
    & skf21("3","3","3","7","7","3","7","1") = "6"
    & skf21("3","3","3","7","7","4","1","1") = "6"
    & skf21("3","3","3","7","7","4","2","1") = "6"
    & skf21("3","3","3","7","7","4","3","1") = "6"
    & skf21("3","3","3","7","7","4","4","1") = "6"
    & skf21("3","3","3","7","7","4","5","1") = "6"
    & skf21("3","3","3","7","7","4","6","1") = "6"
    & skf21("3","3","3","7","7","4","7","1") = "6"
    & skf21("3","3","3","7","7","5","1","1") = "6"
    & skf21("3","3","3","7","7","5","2","1") = "6"
    & skf21("3","3","3","7","7","5","3","1") = "6"
    & skf21("3","3","3","7","7","5","4","1") = "6"
    & skf21("3","3","3","7","7","5","5","1") = "6"
    & skf21("3","3","3","7","7","5","6","1") = "6"
    & skf21("3","3","3","7","7","5","7","1") = "6"
    & skf21("3","3","3","7","7","6","1","1") = "6"
    & skf21("3","3","3","7","7","6","2","1") = "6"
    & skf21("3","3","3","7","7","6","3","1") = "6"
    & skf21("3","3","3","7","7","6","4","1") = "6"
    & skf21("3","3","3","7","7","6","5","1") = "6"
    & skf21("3","3","3","7","7","6","6","1") = "6"
    & skf21("3","3","3","7","7","6","7","1") = "6"
    & skf21("3","3","3","7","7","7","1","1") = "6"
    & skf21("3","3","3","7","7","7","2","1") = "6"
    & skf21("3","3","3","7","7","7","3","1") = "6"
    & skf21("3","3","3","7","7","7","4","1") = "6"
    & skf21("3","3","3","7","7","7","5","1") = "6"
    & skf21("3","3","3","7","7","7","6","1") = "6"
    & skf21("3","3","3","7","7","7","7","1") = "6"
    & skf21("3","3","4","1","1","1","1","1") = "3"
    & skf21("3","3","4","1","1","1","2","1") = "3"
    & skf21("3","3","4","1","1","1","3","1") = "3"
    & skf21("3","3","4","1","1","1","4","1") = "3"
    & skf21("3","3","4","1","1","1","5","1") = "4"
    & skf21("3","3","4","1","1","1","6","1") = "5"
    & skf21("3","3","4","1","1","1","7","1") = "6"
    & skf21("3","3","4","1","1","2","1","1") = "3"
    & skf21("3","3","4","1","1","2","2","1") = "3"
    & skf21("3","3","4","1","1","2","3","1") = "3"
    & skf21("3","3","4","1","1","2","4","1") = "3"
    & skf21("3","3","4","1","1","2","5","1") = "4"
    & skf21("3","3","4","1","1","2","6","1") = "5"
    & skf21("3","3","4","1","1","2","7","1") = "6"
    & skf21("3","3","4","1","1","3","1","1") = "3"
    & skf21("3","3","4","1","1","3","2","1") = "3"
    & skf21("3","3","4","1","1","3","3","1") = "3"
    & skf21("3","3","4","1","1","3","4","1") = "3"
    & skf21("3","3","4","1","1","3","5","1") = "4"
    & skf21("3","3","4","1","1","3","6","1") = "5"
    & skf21("3","3","4","1","1","3","7","1") = "6"
    & skf21("3","3","4","1","1","4","1","1") = "3"
    & skf21("3","3","4","1","1","4","2","1") = "3"
    & skf21("3","3","4","1","1","4","3","1") = "3"
    & skf21("3","3","4","1","1","4","4","1") = "3"
    & skf21("3","3","4","1","1","4","5","1") = "4"
    & skf21("3","3","4","1","1","4","6","1") = "5"
    & skf21("3","3","4","1","1","4","7","1") = "6"
    & skf21("3","3","4","1","1","5","1","1") = "4"
    & skf21("3","3","4","1","1","5","2","1") = "4"
    & skf21("3","3","4","1","1","5","3","1") = "4"
    & skf21("3","3","4","1","1","5","4","1") = "4"
    & skf21("3","3","4","1","1","5","5","1") = "4"
    & skf21("3","3","4","1","1","5","6","1") = "5"
    & skf21("3","3","4","1","1","5","7","1") = "6"
    & skf21("3","3","4","1","1","6","1","1") = "5"
    & skf21("3","3","4","1","1","6","2","1") = "5"
    & skf21("3","3","4","1","1","6","3","1") = "5"
    & skf21("3","3","4","1","1","6","4","1") = "5"
    & skf21("3","3","4","1","1","6","5","1") = "5"
    & skf21("3","3","4","1","1","6","6","1") = "5"
    & skf21("3","3","4","1","1","6","7","1") = "6"
    & skf21("3","3","4","1","1","7","1","1") = "6"
    & skf21("3","3","4","1","1","7","2","1") = "6"
    & skf21("3","3","4","1","1","7","3","1") = "6"
    & skf21("3","3","4","1","1","7","4","1") = "6"
    & skf21("3","3","4","1","1","7","5","1") = "6"
    & skf21("3","3","4","1","1","7","6","1") = "6"
    & skf21("3","3","4","1","1","7","7","1") = "6"
    & skf21("3","3","4","1","2","1","1","1") = "3"
    & skf21("3","3","4","1","2","1","2","1") = "3"
    & skf21("3","3","4","1","2","1","3","1") = "3"
    & skf21("3","3","4","1","2","1","4","1") = "3"
    & skf21("3","3","4","1","2","1","5","1") = "4"
    & skf21("3","3","4","1","2","1","6","1") = "5"
    & skf21("3","3","4","1","2","1","7","1") = "6"
    & skf21("3","3","4","1","2","2","1","1") = "3"
    & skf21("3","3","4","1","2","2","2","1") = "3"
    & skf21("3","3","4","1","2","2","3","1") = "3"
    & skf21("3","3","4","1","2","2","4","1") = "3"
    & skf21("3","3","4","1","2","2","5","1") = "4"
    & skf21("3","3","4","1","2","2","6","1") = "5"
    & skf21("3","3","4","1","2","2","7","1") = "6"
    & skf21("3","3","4","1","2","3","1","1") = "3"
    & skf21("3","3","4","1","2","3","2","1") = "3"
    & skf21("3","3","4","1","2","3","3","1") = "3"
    & skf21("3","3","4","1","2","3","4","1") = "3"
    & skf21("3","3","4","1","2","3","5","1") = "4"
    & skf21("3","3","4","1","2","3","6","1") = "5"
    & skf21("3","3","4","1","2","3","7","1") = "6"
    & skf21("3","3","4","1","2","4","1","1") = "3"
    & skf21("3","3","4","1","2","4","2","1") = "3"
    & skf21("3","3","4","1","2","4","3","1") = "3"
    & skf21("3","3","4","1","2","4","4","1") = "3"
    & skf21("3","3","4","1","2","4","5","1") = "4"
    & skf21("3","3","4","1","2","4","6","1") = "5"
    & skf21("3","3","4","1","2","4","7","1") = "6"
    & skf21("3","3","4","1","2","5","1","1") = "4"
    & skf21("3","3","4","1","2","5","2","1") = "4"
    & skf21("3","3","4","1","2","5","3","1") = "4"
    & skf21("3","3","4","1","2","5","4","1") = "4"
    & skf21("3","3","4","1","2","5","5","1") = "4"
    & skf21("3","3","4","1","2","5","6","1") = "5"
    & skf21("3","3","4","1","2","5","7","1") = "6"
    & skf21("3","3","4","1","2","6","1","1") = "5"
    & skf21("3","3","4","1","2","6","2","1") = "5"
    & skf21("3","3","4","1","2","6","3","1") = "5"
    & skf21("3","3","4","1","2","6","4","1") = "5"
    & skf21("3","3","4","1","2","6","5","1") = "5"
    & skf21("3","3","4","1","2","6","6","1") = "5"
    & skf21("3","3","4","1","2","6","7","1") = "6"
    & skf21("3","3","4","1","2","7","1","1") = "6"
    & skf21("3","3","4","1","2","7","2","1") = "6"
    & skf21("3","3","4","1","2","7","3","1") = "6"
    & skf21("3","3","4","1","2","7","4","1") = "6"
    & skf21("3","3","4","1","2","7","5","1") = "6"
    & skf21("3","3","4","1","2","7","6","1") = "6"
    & skf21("3","3","4","1","2","7","7","1") = "6"
    & skf21("3","3","4","1","3","1","1","1") = "3"
    & skf21("3","3","4","1","3","1","2","1") = "3"
    & skf21("3","3","4","1","3","1","3","1") = "3"
    & skf21("3","3","4","1","3","1","4","1") = "3"
    & skf21("3","3","4","1","3","1","5","1") = "4"
    & skf21("3","3","4","1","3","1","6","1") = "5"
    & skf21("3","3","4","1","3","1","7","1") = "6"
    & skf21("3","3","4","1","3","2","1","1") = "3"
    & skf21("3","3","4","1","3","2","2","1") = "3"
    & skf21("3","3","4","1","3","2","3","1") = "3"
    & skf21("3","3","4","1","3","2","4","1") = "3"
    & skf21("3","3","4","1","3","2","5","1") = "4"
    & skf21("3","3","4","1","3","2","6","1") = "5"
    & skf21("3","3","4","1","3","2","7","1") = "6"
    & skf21("3","3","4","1","3","3","1","1") = "3"
    & skf21("3","3","4","1","3","3","2","1") = "3"
    & skf21("3","3","4","1","3","3","3","1") = "3"
    & skf21("3","3","4","1","3","3","4","1") = "3"
    & skf21("3","3","4","1","3","3","5","1") = "4"
    & skf21("3","3","4","1","3","3","6","1") = "5"
    & skf21("3","3","4","1","3","3","7","1") = "6"
    & skf21("3","3","4","1","3","4","1","1") = "3"
    & skf21("3","3","4","1","3","4","2","1") = "3"
    & skf21("3","3","4","1","3","4","3","1") = "3"
    & skf21("3","3","4","1","3","4","4","1") = "3"
    & skf21("3","3","4","1","3","4","5","1") = "4"
    & skf21("3","3","4","1","3","4","6","1") = "5"
    & skf21("3","3","4","1","3","4","7","1") = "6"
    & skf21("3","3","4","1","3","5","1","1") = "4"
    & skf21("3","3","4","1","3","5","2","1") = "4"
    & skf21("3","3","4","1","3","5","3","1") = "4"
    & skf21("3","3","4","1","3","5","4","1") = "4"
    & skf21("3","3","4","1","3","5","5","1") = "4"
    & skf21("3","3","4","1","3","5","6","1") = "5"
    & skf21("3","3","4","1","3","5","7","1") = "6"
    & skf21("3","3","4","1","3","6","1","1") = "5"
    & skf21("3","3","4","1","3","6","2","1") = "5"
    & skf21("3","3","4","1","3","6","3","1") = "5"
    & skf21("3","3","4","1","3","6","4","1") = "5"
    & skf21("3","3","4","1","3","6","5","1") = "5"
    & skf21("3","3","4","1","3","6","6","1") = "5"
    & skf21("3","3","4","1","3","6","7","1") = "6"
    & skf21("3","3","4","1","3","7","1","1") = "6"
    & skf21("3","3","4","1","3","7","2","1") = "6"
    & skf21("3","3","4","1","3","7","3","1") = "6"
    & skf21("3","3","4","1","3","7","4","1") = "6"
    & skf21("3","3","4","1","3","7","5","1") = "6"
    & skf21("3","3","4","1","3","7","6","1") = "6"
    & skf21("3","3","4","1","3","7","7","1") = "6"
    & skf21("3","3","4","1","4","1","1","1") = "3"
    & skf21("3","3","4","1","4","1","2","1") = "3"
    & skf21("3","3","4","1","4","1","3","1") = "3"
    & skf21("3","3","4","1","4","1","4","1") = "3"
    & skf21("3","3","4","1","4","1","5","1") = "4"
    & skf21("3","3","4","1","4","1","6","1") = "5"
    & skf21("3","3","4","1","4","1","7","1") = "6"
    & skf21("3","3","4","1","4","2","1","1") = "3"
    & skf21("3","3","4","1","4","2","2","1") = "3"
    & skf21("3","3","4","1","4","2","3","1") = "3"
    & skf21("3","3","4","1","4","2","4","1") = "3"
    & skf21("3","3","4","1","4","2","5","1") = "4"
    & skf21("3","3","4","1","4","2","6","1") = "5"
    & skf21("3","3","4","1","4","2","7","1") = "6"
    & skf21("3","3","4","1","4","3","1","1") = "3"
    & skf21("3","3","4","1","4","3","2","1") = "3"
    & skf21("3","3","4","1","4","3","3","1") = "3"
    & skf21("3","3","4","1","4","3","4","1") = "3"
    & skf21("3","3","4","1","4","3","5","1") = "4"
    & skf21("3","3","4","1","4","3","6","1") = "5"
    & skf21("3","3","4","1","4","3","7","1") = "6"
    & skf21("3","3","4","1","4","4","1","1") = "3"
    & skf21("3","3","4","1","4","4","2","1") = "3"
    & skf21("3","3","4","1","4","4","3","1") = "3"
    & skf21("3","3","4","1","4","4","4","1") = "3"
    & skf21("3","3","4","1","4","4","5","1") = "4"
    & skf21("3","3","4","1","4","4","6","1") = "5"
    & skf21("3","3","4","1","4","4","7","1") = "6"
    & skf21("3","3","4","1","4","5","1","1") = "4"
    & skf21("3","3","4","1","4","5","2","1") = "4"
    & skf21("3","3","4","1","4","5","3","1") = "4"
    & skf21("3","3","4","1","4","5","4","1") = "4"
    & skf21("3","3","4","1","4","5","5","1") = "4"
    & skf21("3","3","4","1","4","5","6","1") = "5"
    & skf21("3","3","4","1","4","5","7","1") = "6"
    & skf21("3","3","4","1","4","6","1","1") = "5"
    & skf21("3","3","4","1","4","6","2","1") = "5"
    & skf21("3","3","4","1","4","6","3","1") = "5"
    & skf21("3","3","4","1","4","6","4","1") = "5"
    & skf21("3","3","4","1","4","6","5","1") = "5"
    & skf21("3","3","4","1","4","6","6","1") = "5"
    & skf21("3","3","4","1","4","6","7","1") = "6"
    & skf21("3","3","4","1","4","7","1","1") = "6"
    & skf21("3","3","4","1","4","7","2","1") = "6"
    & skf21("3","3","4","1","4","7","3","1") = "6"
    & skf21("3","3","4","1","4","7","4","1") = "6"
    & skf21("3","3","4","1","4","7","5","1") = "6"
    & skf21("3","3","4","1","4","7","6","1") = "6"
    & skf21("3","3","4","1","4","7","7","1") = "6"
    & skf21("3","3","4","1","5","1","1","1") = "4"
    & skf21("3","3","4","1","5","1","2","1") = "4"
    & skf21("3","3","4","1","5","1","3","1") = "4"
    & skf21("3","3","4","1","5","1","4","1") = "4"
    & skf21("3","3","4","1","5","1","5","1") = "4"
    & skf21("3","3","4","1","5","1","6","1") = "5"
    & skf21("3","3","4","1","5","1","7","1") = "6"
    & skf21("3","3","4","1","5","2","1","1") = "4"
    & skf21("3","3","4","1","5","2","2","1") = "4"
    & skf21("3","3","4","1","5","2","3","1") = "4"
    & skf21("3","3","4","1","5","2","4","1") = "4"
    & skf21("3","3","4","1","5","2","5","1") = "4"
    & skf21("3","3","4","1","5","2","6","1") = "5"
    & skf21("3","3","4","1","5","2","7","1") = "6"
    & skf21("3","3","4","1","5","3","1","1") = "4"
    & skf21("3","3","4","1","5","3","2","1") = "4"
    & skf21("3","3","4","1","5","3","3","1") = "4"
    & skf21("3","3","4","1","5","3","4","1") = "4"
    & skf21("3","3","4","1","5","3","5","1") = "4"
    & skf21("3","3","4","1","5","3","6","1") = "5"
    & skf21("3","3","4","1","5","3","7","1") = "6"
    & skf21("3","3","4","1","5","4","1","1") = "4"
    & skf21("3","3","4","1","5","4","2","1") = "4"
    & skf21("3","3","4","1","5","4","3","1") = "4"
    & skf21("3","3","4","1","5","4","4","1") = "4"
    & skf21("3","3","4","1","5","4","5","1") = "4"
    & skf21("3","3","4","1","5","4","6","1") = "5"
    & skf21("3","3","4","1","5","4","7","1") = "6"
    & skf21("3","3","4","1","5","5","1","1") = "4"
    & skf21("3","3","4","1","5","5","2","1") = "4"
    & skf21("3","3","4","1","5","5","3","1") = "4"
    & skf21("3","3","4","1","5","5","4","1") = "4"
    & skf21("3","3","4","1","5","5","5","1") = "4"
    & skf21("3","3","4","1","5","5","6","1") = "5"
    & skf21("3","3","4","1","5","5","7","1") = "6"
    & skf21("3","3","4","1","5","6","1","1") = "5"
    & skf21("3","3","4","1","5","6","2","1") = "5"
    & skf21("3","3","4","1","5","6","3","1") = "5"
    & skf21("3","3","4","1","5","6","4","1") = "5"
    & skf21("3","3","4","1","5","6","5","1") = "5"
    & skf21("3","3","4","1","5","6","6","1") = "5"
    & skf21("3","3","4","1","5","6","7","1") = "6"
    & skf21("3","3","4","1","5","7","1","1") = "6"
    & skf21("3","3","4","1","5","7","2","1") = "6"
    & skf21("3","3","4","1","5","7","3","1") = "6"
    & skf21("3","3","4","1","5","7","4","1") = "6"
    & skf21("3","3","4","1","5","7","5","1") = "6"
    & skf21("3","3","4","1","5","7","6","1") = "6"
    & skf21("3","3","4","1","5","7","7","1") = "6"
    & skf21("3","3","4","1","6","1","1","1") = "5"
    & skf21("3","3","4","1","6","1","2","1") = "5"
    & skf21("3","3","4","1","6","1","3","1") = "5"
    & skf21("3","3","4","1","6","1","4","1") = "5"
    & skf21("3","3","4","1","6","1","5","1") = "5"
    & skf21("3","3","4","1","6","1","6","1") = "5"
    & skf21("3","3","4","1","6","1","7","1") = "6"
    & skf21("3","3","4","1","6","2","1","1") = "5"
    & skf21("3","3","4","1","6","2","2","1") = "5"
    & skf21("3","3","4","1","6","2","3","1") = "5"
    & skf21("3","3","4","1","6","2","4","1") = "5"
    & skf21("3","3","4","1","6","2","5","1") = "5"
    & skf21("3","3","4","1","6","2","6","1") = "5"
    & skf21("3","3","4","1","6","2","7","1") = "6"
    & skf21("3","3","4","1","6","3","1","1") = "5"
    & skf21("3","3","4","1","6","3","2","1") = "5"
    & skf21("3","3","4","1","6","3","3","1") = "5"
    & skf21("3","3","4","1","6","3","4","1") = "5"
    & skf21("3","3","4","1","6","3","5","1") = "5"
    & skf21("3","3","4","1","6","3","6","1") = "5"
    & skf21("3","3","4","1","6","3","7","1") = "6"
    & skf21("3","3","4","1","6","4","1","1") = "5"
    & skf21("3","3","4","1","6","4","2","1") = "5"
    & skf21("3","3","4","1","6","4","3","1") = "5"
    & skf21("3","3","4","1","6","4","4","1") = "5"
    & skf21("3","3","4","1","6","4","5","1") = "5"
    & skf21("3","3","4","1","6","4","6","1") = "5"
    & skf21("3","3","4","1","6","4","7","1") = "6"
    & skf21("3","3","4","1","6","5","1","1") = "5"
    & skf21("3","3","4","1","6","5","2","1") = "5"
    & skf21("3","3","4","1","6","5","3","1") = "5"
    & skf21("3","3","4","1","6","5","4","1") = "5"
    & skf21("3","3","4","1","6","5","5","1") = "5"
    & skf21("3","3","4","1","6","5","6","1") = "5"
    & skf21("3","3","4","1","6","5","7","1") = "6"
    & skf21("3","3","4","1","6","6","1","1") = "5"
    & skf21("3","3","4","1","6","6","2","1") = "5"
    & skf21("3","3","4","1","6","6","3","1") = "5"
    & skf21("3","3","4","1","6","6","4","1") = "5"
    & skf21("3","3","4","1","6","6","5","1") = "5"
    & skf21("3","3","4","1","6","6","6","1") = "5"
    & skf21("3","3","4","1","6","6","7","1") = "6"
    & skf21("3","3","4","1","6","7","1","1") = "6"
    & skf21("3","3","4","1","6","7","2","1") = "6"
    & skf21("3","3","4","1","6","7","3","1") = "6"
    & skf21("3","3","4","1","6","7","4","1") = "6"
    & skf21("3","3","4","1","6","7","5","1") = "6"
    & skf21("3","3","4","1","6","7","6","1") = "6"
    & skf21("3","3","4","1","6","7","7","1") = "6"
    & skf21("3","3","4","1","7","1","1","1") = "6"
    & skf21("3","3","4","1","7","1","2","1") = "6"
    & skf21("3","3","4","1","7","1","3","1") = "6"
    & skf21("3","3","4","1","7","1","4","1") = "6"
    & skf21("3","3","4","1","7","1","5","1") = "6"
    & skf21("3","3","4","1","7","1","6","1") = "6"
    & skf21("3","3","4","1","7","1","7","1") = "6"
    & skf21("3","3","4","1","7","2","1","1") = "6"
    & skf21("3","3","4","1","7","2","2","1") = "6"
    & skf21("3","3","4","1","7","2","3","1") = "6"
    & skf21("3","3","4","1","7","2","4","1") = "6"
    & skf21("3","3","4","1","7","2","5","1") = "6"
    & skf21("3","3","4","1","7","2","6","1") = "6"
    & skf21("3","3","4","1","7","2","7","1") = "6"
    & skf21("3","3","4","1","7","3","1","1") = "6"
    & skf21("3","3","4","1","7","3","2","1") = "6"
    & skf21("3","3","4","1","7","3","3","1") = "6"
    & skf21("3","3","4","1","7","3","4","1") = "6"
    & skf21("3","3","4","1","7","3","5","1") = "6"
    & skf21("3","3","4","1","7","3","6","1") = "6"
    & skf21("3","3","4","1","7","3","7","1") = "6"
    & skf21("3","3","4","1","7","4","1","1") = "6"
    & skf21("3","3","4","1","7","4","2","1") = "6"
    & skf21("3","3","4","1","7","4","3","1") = "6"
    & skf21("3","3","4","1","7","4","4","1") = "6"
    & skf21("3","3","4","1","7","4","5","1") = "6"
    & skf21("3","3","4","1","7","4","6","1") = "6"
    & skf21("3","3","4","1","7","4","7","1") = "6"
    & skf21("3","3","4","1","7","5","1","1") = "6"
    & skf21("3","3","4","1","7","5","2","1") = "6"
    & skf21("3","3","4","1","7","5","3","1") = "6"
    & skf21("3","3","4","1","7","5","4","1") = "6"
    & skf21("3","3","4","1","7","5","5","1") = "6"
    & skf21("3","3","4","1","7","5","6","1") = "6"
    & skf21("3","3","4","1","7","5","7","1") = "6"
    & skf21("3","3","4","1","7","6","1","1") = "6"
    & skf21("3","3","4","1","7","6","2","1") = "6"
    & skf21("3","3","4","1","7","6","3","1") = "6"
    & skf21("3","3","4","1","7","6","4","1") = "6"
    & skf21("3","3","4","1","7","6","5","1") = "6"
    & skf21("3","3","4","1","7","6","6","1") = "6"
    & skf21("3","3","4","1","7","6","7","1") = "6"
    & skf21("3","3","4","1","7","7","1","1") = "6"
    & skf21("3","3","4","1","7","7","2","1") = "6"
    & skf21("3","3","4","1","7","7","3","1") = "6"
    & skf21("3","3","4","1","7","7","4","1") = "6"
    & skf21("3","3","4","1","7","7","5","1") = "6"
    & skf21("3","3","4","1","7","7","6","1") = "6"
    & skf21("3","3","4","1","7","7","7","1") = "6"
    & skf21("3","3","4","2","1","1","1","1") = "3"
    & skf21("3","3","4","2","1","1","2","1") = "3"
    & skf21("3","3","4","2","1","1","3","1") = "3"
    & skf21("3","3","4","2","1","1","4","1") = "3"
    & skf21("3","3","4","2","1","1","5","1") = "4"
    & skf21("3","3","4","2","1","1","6","1") = "5"
    & skf21("3","3","4","2","1","1","7","1") = "6"
    & skf21("3","3","4","2","1","2","1","1") = "3"
    & skf21("3","3","4","2","1","2","2","1") = "3"
    & skf21("3","3","4","2","1","2","3","1") = "3"
    & skf21("3","3","4","2","1","2","4","1") = "3"
    & skf21("3","3","4","2","1","2","5","1") = "4"
    & skf21("3","3","4","2","1","2","6","1") = "5"
    & skf21("3","3","4","2","1","2","7","1") = "6"
    & skf21("3","3","4","2","1","3","1","1") = "3"
    & skf21("3","3","4","2","1","3","2","1") = "3"
    & skf21("3","3","4","2","1","3","3","1") = "3"
    & skf21("3","3","4","2","1","3","4","1") = "3"
    & skf21("3","3","4","2","1","3","5","1") = "4"
    & skf21("3","3","4","2","1","3","6","1") = "5"
    & skf21("3","3","4","2","1","3","7","1") = "6"
    & skf21("3","3","4","2","1","4","1","1") = "3"
    & skf21("3","3","4","2","1","4","2","1") = "3"
    & skf21("3","3","4","2","1","4","3","1") = "3"
    & skf21("3","3","4","2","1","4","4","1") = "3"
    & skf21("3","3","4","2","1","4","5","1") = "4"
    & skf21("3","3","4","2","1","4","6","1") = "5"
    & skf21("3","3","4","2","1","4","7","1") = "6"
    & skf21("3","3","4","2","1","5","1","1") = "4"
    & skf21("3","3","4","2","1","5","2","1") = "4"
    & skf21("3","3","4","2","1","5","3","1") = "4"
    & skf21("3","3","4","2","1","5","4","1") = "4"
    & skf21("3","3","4","2","1","5","5","1") = "4"
    & skf21("3","3","4","2","1","5","6","1") = "5"
    & skf21("3","3","4","2","1","5","7","1") = "6"
    & skf21("3","3","4","2","1","6","1","1") = "5"
    & skf21("3","3","4","2","1","6","2","1") = "5"
    & skf21("3","3","4","2","1","6","3","1") = "5"
    & skf21("3","3","4","2","1","6","4","1") = "5"
    & skf21("3","3","4","2","1","6","5","1") = "5"
    & skf21("3","3","4","2","1","6","6","1") = "5"
    & skf21("3","3","4","2","1","6","7","1") = "6"
    & skf21("3","3","4","2","1","7","1","1") = "6"
    & skf21("3","3","4","2","1","7","2","1") = "6"
    & skf21("3","3","4","2","1","7","3","1") = "6"
    & skf21("3","3","4","2","1","7","4","1") = "6"
    & skf21("3","3","4","2","1","7","5","1") = "6"
    & skf21("3","3","4","2","1","7","6","1") = "6"
    & skf21("3","3","4","2","1","7","7","1") = "6"
    & skf21("3","3","4","2","2","1","1","1") = "3"
    & skf21("3","3","4","2","2","1","2","1") = "3"
    & skf21("3","3","4","2","2","1","3","1") = "3"
    & skf21("3","3","4","2","2","1","4","1") = "3"
    & skf21("3","3","4","2","2","1","5","1") = "4"
    & skf21("3","3","4","2","2","1","6","1") = "5"
    & skf21("3","3","4","2","2","1","7","1") = "6"
    & skf21("3","3","4","2","2","2","1","1") = "3"
    & skf21("3","3","4","2","2","2","2","1") = "3"
    & skf21("3","3","4","2","2","2","3","1") = "3"
    & skf21("3","3","4","2","2","2","4","1") = "3"
    & skf21("3","3","4","2","2","2","5","1") = "4"
    & skf21("3","3","4","2","2","2","6","1") = "5"
    & skf21("3","3","4","2","2","2","7","1") = "6"
    & skf21("3","3","4","2","2","3","1","1") = "3"
    & skf21("3","3","4","2","2","3","2","1") = "3"
    & skf21("3","3","4","2","2","3","3","1") = "3"
    & skf21("3","3","4","2","2","3","4","1") = "3"
    & skf21("3","3","4","2","2","3","5","1") = "4"
    & skf21("3","3","4","2","2","3","6","1") = "5"
    & skf21("3","3","4","2","2","3","7","1") = "6"
    & skf21("3","3","4","2","2","4","1","1") = "3"
    & skf21("3","3","4","2","2","4","2","1") = "3"
    & skf21("3","3","4","2","2","4","3","1") = "3"
    & skf21("3","3","4","2","2","4","4","1") = "3"
    & skf21("3","3","4","2","2","4","5","1") = "4"
    & skf21("3","3","4","2","2","4","6","1") = "5"
    & skf21("3","3","4","2","2","4","7","1") = "6"
    & skf21("3","3","4","2","2","5","1","1") = "4"
    & skf21("3","3","4","2","2","5","2","1") = "4"
    & skf21("3","3","4","2","2","5","3","1") = "4"
    & skf21("3","3","4","2","2","5","4","1") = "4"
    & skf21("3","3","4","2","2","5","5","1") = "4"
    & skf21("3","3","4","2","2","5","6","1") = "5"
    & skf21("3","3","4","2","2","5","7","1") = "6"
    & skf21("3","3","4","2","2","6","1","1") = "5"
    & skf21("3","3","4","2","2","6","2","1") = "5"
    & skf21("3","3","4","2","2","6","3","1") = "5"
    & skf21("3","3","4","2","2","6","4","1") = "5"
    & skf21("3","3","4","2","2","6","5","1") = "5"
    & skf21("3","3","4","2","2","6","6","1") = "5"
    & skf21("3","3","4","2","2","6","7","1") = "6"
    & skf21("3","3","4","2","2","7","1","1") = "6"
    & skf21("3","3","4","2","2","7","2","1") = "6"
    & skf21("3","3","4","2","2","7","3","1") = "6"
    & skf21("3","3","4","2","2","7","4","1") = "6"
    & skf21("3","3","4","2","2","7","5","1") = "6"
    & skf21("3","3","4","2","2","7","6","1") = "6"
    & skf21("3","3","4","2","2","7","7","1") = "6"
    & skf21("3","3","4","2","3","1","1","1") = "3"
    & skf21("3","3","4","2","3","1","2","1") = "3"
    & skf21("3","3","4","2","3","1","3","1") = "3"
    & skf21("3","3","4","2","3","1","4","1") = "3"
    & skf21("3","3","4","2","3","1","5","1") = "4"
    & skf21("3","3","4","2","3","1","6","1") = "5"
    & skf21("3","3","4","2","3","1","7","1") = "6"
    & skf21("3","3","4","2","3","2","1","1") = "3"
    & skf21("3","3","4","2","3","2","2","1") = "3"
    & skf21("3","3","4","2","3","2","3","1") = "3"
    & skf21("3","3","4","2","3","2","4","1") = "3"
    & skf21("3","3","4","2","3","2","5","1") = "4"
    & skf21("3","3","4","2","3","2","6","1") = "5"
    & skf21("3","3","4","2","3","2","7","1") = "6"
    & skf21("3","3","4","2","3","3","1","1") = "3"
    & skf21("3","3","4","2","3","3","2","1") = "3"
    & skf21("3","3","4","2","3","3","3","1") = "3"
    & skf21("3","3","4","2","3","3","4","1") = "3"
    & skf21("3","3","4","2","3","3","5","1") = "4"
    & skf21("3","3","4","2","3","3","6","1") = "5"
    & skf21("3","3","4","2","3","3","7","1") = "6"
    & skf21("3","3","4","2","3","4","1","1") = "3"
    & skf21("3","3","4","2","3","4","2","1") = "3"
    & skf21("3","3","4","2","3","4","3","1") = "3"
    & skf21("3","3","4","2","3","4","4","1") = "3"
    & skf21("3","3","4","2","3","4","5","1") = "4"
    & skf21("3","3","4","2","3","4","6","1") = "5"
    & skf21("3","3","4","2","3","4","7","1") = "6"
    & skf21("3","3","4","2","3","5","1","1") = "4"
    & skf21("3","3","4","2","3","5","2","1") = "4"
    & skf21("3","3","4","2","3","5","3","1") = "4"
    & skf21("3","3","4","2","3","5","4","1") = "4"
    & skf21("3","3","4","2","3","5","5","1") = "4"
    & skf21("3","3","4","2","3","5","6","1") = "5"
    & skf21("3","3","4","2","3","5","7","1") = "6"
    & skf21("3","3","4","2","3","6","1","1") = "5"
    & skf21("3","3","4","2","3","6","2","1") = "5"
    & skf21("3","3","4","2","3","6","3","1") = "5"
    & skf21("3","3","4","2","3","6","4","1") = "5"
    & skf21("3","3","4","2","3","6","5","1") = "5"
    & skf21("3","3","4","2","3","6","6","1") = "5"
    & skf21("3","3","4","2","3","6","7","1") = "6"
    & skf21("3","3","4","2","3","7","1","1") = "6"
    & skf21("3","3","4","2","3","7","2","1") = "6"
    & skf21("3","3","4","2","3","7","3","1") = "6"
    & skf21("3","3","4","2","3","7","4","1") = "6"
    & skf21("3","3","4","2","3","7","5","1") = "6"
    & skf21("3","3","4","2","3","7","6","1") = "6"
    & skf21("3","3","4","2","3","7","7","1") = "6"
    & skf21("3","3","4","2","4","1","1","1") = "3"
    & skf21("3","3","4","2","4","1","2","1") = "3"
    & skf21("3","3","4","2","4","1","3","1") = "3"
    & skf21("3","3","4","2","4","1","4","1") = "3"
    & skf21("3","3","4","2","4","1","5","1") = "4"
    & skf21("3","3","4","2","4","1","6","1") = "5"
    & skf21("3","3","4","2","4","1","7","1") = "6"
    & skf21("3","3","4","2","4","2","1","1") = "3"
    & skf21("3","3","4","2","4","2","2","1") = "3"
    & skf21("3","3","4","2","4","2","3","1") = "3"
    & skf21("3","3","4","2","4","2","4","1") = "3"
    & skf21("3","3","4","2","4","2","5","1") = "4"
    & skf21("3","3","4","2","4","2","6","1") = "5"
    & skf21("3","3","4","2","4","2","7","1") = "6"
    & skf21("3","3","4","2","4","3","1","1") = "3"
    & skf21("3","3","4","2","4","3","2","1") = "3"
    & skf21("3","3","4","2","4","3","3","1") = "3"
    & skf21("3","3","4","2","4","3","4","1") = "3"
    & skf21("3","3","4","2","4","3","5","1") = "4"
    & skf21("3","3","4","2","4","3","6","1") = "5"
    & skf21("3","3","4","2","4","3","7","1") = "6"
    & skf21("3","3","4","2","4","4","1","1") = "3"
    & skf21("3","3","4","2","4","4","2","1") = "3"
    & skf21("3","3","4","2","4","4","3","1") = "3"
    & skf21("3","3","4","2","4","4","4","1") = "3"
    & skf21("3","3","4","2","4","4","5","1") = "4"
    & skf21("3","3","4","2","4","4","6","1") = "5"
    & skf21("3","3","4","2","4","4","7","1") = "6"
    & skf21("3","3","4","2","4","5","1","1") = "4"
    & skf21("3","3","4","2","4","5","2","1") = "4"
    & skf21("3","3","4","2","4","5","3","1") = "4"
    & skf21("3","3","4","2","4","5","4","1") = "4"
    & skf21("3","3","4","2","4","5","5","1") = "4"
    & skf21("3","3","4","2","4","5","6","1") = "5"
    & skf21("3","3","4","2","4","5","7","1") = "6"
    & skf21("3","3","4","2","4","6","1","1") = "5"
    & skf21("3","3","4","2","4","6","2","1") = "5"
    & skf21("3","3","4","2","4","6","3","1") = "5"
    & skf21("3","3","4","2","4","6","4","1") = "5"
    & skf21("3","3","4","2","4","6","5","1") = "5"
    & skf21("3","3","4","2","4","6","6","1") = "5"
    & skf21("3","3","4","2","4","6","7","1") = "6"
    & skf21("3","3","4","2","4","7","1","1") = "6"
    & skf21("3","3","4","2","4","7","2","1") = "6"
    & skf21("3","3","4","2","4","7","3","1") = "6"
    & skf21("3","3","4","2","4","7","4","1") = "6"
    & skf21("3","3","4","2","4","7","5","1") = "6"
    & skf21("3","3","4","2","4","7","6","1") = "6"
    & skf21("3","3","4","2","4","7","7","1") = "6"
    & skf21("3","3","4","2","5","1","1","1") = "4"
    & skf21("3","3","4","2","5","1","2","1") = "4"
    & skf21("3","3","4","2","5","1","3","1") = "4"
    & skf21("3","3","4","2","5","1","4","1") = "4"
    & skf21("3","3","4","2","5","1","5","1") = "4"
    & skf21("3","3","4","2","5","1","6","1") = "5"
    & skf21("3","3","4","2","5","1","7","1") = "6"
    & skf21("3","3","4","2","5","2","1","1") = "4"
    & skf21("3","3","4","2","5","2","2","1") = "4"
    & skf21("3","3","4","2","5","2","3","1") = "4"
    & skf21("3","3","4","2","5","2","4","1") = "4"
    & skf21("3","3","4","2","5","2","5","1") = "4"
    & skf21("3","3","4","2","5","2","6","1") = "5"
    & skf21("3","3","4","2","5","2","7","1") = "6"
    & skf21("3","3","4","2","5","3","1","1") = "4"
    & skf21("3","3","4","2","5","3","2","1") = "4"
    & skf21("3","3","4","2","5","3","3","1") = "4"
    & skf21("3","3","4","2","5","3","4","1") = "4"
    & skf21("3","3","4","2","5","3","5","1") = "4"
    & skf21("3","3","4","2","5","3","6","1") = "5"
    & skf21("3","3","4","2","5","3","7","1") = "6"
    & skf21("3","3","4","2","5","4","1","1") = "4"
    & skf21("3","3","4","2","5","4","2","1") = "4"
    & skf21("3","3","4","2","5","4","3","1") = "4"
    & skf21("3","3","4","2","5","4","4","1") = "4"
    & skf21("3","3","4","2","5","4","5","1") = "4"
    & skf21("3","3","4","2","5","4","6","1") = "5"
    & skf21("3","3","4","2","5","4","7","1") = "6"
    & skf21("3","3","4","2","5","5","1","1") = "4"
    & skf21("3","3","4","2","5","5","2","1") = "4"
    & skf21("3","3","4","2","5","5","3","1") = "4"
    & skf21("3","3","4","2","5","5","4","1") = "4"
    & skf21("3","3","4","2","5","5","5","1") = "4"
    & skf21("3","3","4","2","5","5","6","1") = "5"
    & skf21("3","3","4","2","5","5","7","1") = "6"
    & skf21("3","3","4","2","5","6","1","1") = "5"
    & skf21("3","3","4","2","5","6","2","1") = "5"
    & skf21("3","3","4","2","5","6","3","1") = "5"
    & skf21("3","3","4","2","5","6","4","1") = "5"
    & skf21("3","3","4","2","5","6","5","1") = "5"
    & skf21("3","3","4","2","5","6","6","1") = "5"
    & skf21("3","3","4","2","5","6","7","1") = "6"
    & skf21("3","3","4","2","5","7","1","1") = "6"
    & skf21("3","3","4","2","5","7","2","1") = "6"
    & skf21("3","3","4","2","5","7","3","1") = "6"
    & skf21("3","3","4","2","5","7","4","1") = "6"
    & skf21("3","3","4","2","5","7","5","1") = "6"
    & skf21("3","3","4","2","5","7","6","1") = "6"
    & skf21("3","3","4","2","5","7","7","1") = "6"
    & skf21("3","3","4","2","6","1","1","1") = "5"
    & skf21("3","3","4","2","6","1","2","1") = "5"
    & skf21("3","3","4","2","6","1","3","1") = "5"
    & skf21("3","3","4","2","6","1","4","1") = "5"
    & skf21("3","3","4","2","6","1","5","1") = "5"
    & skf21("3","3","4","2","6","1","6","1") = "5"
    & skf21("3","3","4","2","6","1","7","1") = "6"
    & skf21("3","3","4","2","6","2","1","1") = "5"
    & skf21("3","3","4","2","6","2","2","1") = "5"
    & skf21("3","3","4","2","6","2","3","1") = "5"
    & skf21("3","3","4","2","6","2","4","1") = "5"
    & skf21("3","3","4","2","6","2","5","1") = "5"
    & skf21("3","3","4","2","6","2","6","1") = "5"
    & skf21("3","3","4","2","6","2","7","1") = "6"
    & skf21("3","3","4","2","6","3","1","1") = "5"
    & skf21("3","3","4","2","6","3","2","1") = "5"
    & skf21("3","3","4","2","6","3","3","1") = "5"
    & skf21("3","3","4","2","6","3","4","1") = "5"
    & skf21("3","3","4","2","6","3","5","1") = "5"
    & skf21("3","3","4","2","6","3","6","1") = "5"
    & skf21("3","3","4","2","6","3","7","1") = "6"
    & skf21("3","3","4","2","6","4","1","1") = "5"
    & skf21("3","3","4","2","6","4","2","1") = "5"
    & skf21("3","3","4","2","6","4","3","1") = "5"
    & skf21("3","3","4","2","6","4","4","1") = "5"
    & skf21("3","3","4","2","6","4","5","1") = "5"
    & skf21("3","3","4","2","6","4","6","1") = "5"
    & skf21("3","3","4","2","6","4","7","1") = "6"
    & skf21("3","3","4","2","6","5","1","1") = "5"
    & skf21("3","3","4","2","6","5","2","1") = "5"
    & skf21("3","3","4","2","6","5","3","1") = "5"
    & skf21("3","3","4","2","6","5","4","1") = "5"
    & skf21("3","3","4","2","6","5","5","1") = "5"
    & skf21("3","3","4","2","6","5","6","1") = "5"
    & skf21("3","3","4","2","6","5","7","1") = "6"
    & skf21("3","3","4","2","6","6","1","1") = "5"
    & skf21("3","3","4","2","6","6","2","1") = "5"
    & skf21("3","3","4","2","6","6","3","1") = "5"
    & skf21("3","3","4","2","6","6","4","1") = "5"
    & skf21("3","3","4","2","6","6","5","1") = "5"
    & skf21("3","3","4","2","6","6","6","1") = "5"
    & skf21("3","3","4","2","6","6","7","1") = "6"
    & skf21("3","3","4","2","6","7","1","1") = "6"
    & skf21("3","3","4","2","6","7","2","1") = "6"
    & skf21("3","3","4","2","6","7","3","1") = "6"
    & skf21("3","3","4","2","6","7","4","1") = "6"
    & skf21("3","3","4","2","6","7","5","1") = "6"
    & skf21("3","3","4","2","6","7","6","1") = "6"
    & skf21("3","3","4","2","6","7","7","1") = "6"
    & skf21("3","3","4","2","7","1","1","1") = "6"
    & skf21("3","3","4","2","7","1","2","1") = "6"
    & skf21("3","3","4","2","7","1","3","1") = "6"
    & skf21("3","3","4","2","7","1","4","1") = "6"
    & skf21("3","3","4","2","7","1","5","1") = "6"
    & skf21("3","3","4","2","7","1","6","1") = "6"
    & skf21("3","3","4","2","7","1","7","1") = "6"
    & skf21("3","3","4","2","7","2","1","1") = "6"
    & skf21("3","3","4","2","7","2","2","1") = "6"
    & skf21("3","3","4","2","7","2","3","1") = "6"
    & skf21("3","3","4","2","7","2","4","1") = "6"
    & skf21("3","3","4","2","7","2","5","1") = "6"
    & skf21("3","3","4","2","7","2","6","1") = "6"
    & skf21("3","3","4","2","7","2","7","1") = "6"
    & skf21("3","3","4","2","7","3","1","1") = "6"
    & skf21("3","3","4","2","7","3","2","1") = "6"
    & skf21("3","3","4","2","7","3","3","1") = "6"
    & skf21("3","3","4","2","7","3","4","1") = "6"
    & skf21("3","3","4","2","7","3","5","1") = "6"
    & skf21("3","3","4","2","7","3","6","1") = "6"
    & skf21("3","3","4","2","7","3","7","1") = "6"
    & skf21("3","3","4","2","7","4","1","1") = "6"
    & skf21("3","3","4","2","7","4","2","1") = "6"
    & skf21("3","3","4","2","7","4","3","1") = "6"
    & skf21("3","3","4","2","7","4","4","1") = "6"
    & skf21("3","3","4","2","7","4","5","1") = "6"
    & skf21("3","3","4","2","7","4","6","1") = "6"
    & skf21("3","3","4","2","7","4","7","1") = "6"
    & skf21("3","3","4","2","7","5","1","1") = "6"
    & skf21("3","3","4","2","7","5","2","1") = "6"
    & skf21("3","3","4","2","7","5","3","1") = "6"
    & skf21("3","3","4","2","7","5","4","1") = "6"
    & skf21("3","3","4","2","7","5","5","1") = "6"
    & skf21("3","3","4","2","7","5","6","1") = "6"
    & skf21("3","3","4","2","7","5","7","1") = "6"
    & skf21("3","3","4","2","7","6","1","1") = "6"
    & skf21("3","3","4","2","7","6","2","1") = "6"
    & skf21("3","3","4","2","7","6","3","1") = "6"
    & skf21("3","3","4","2","7","6","4","1") = "6"
    & skf21("3","3","4","2","7","6","5","1") = "6"
    & skf21("3","3","4","2","7","6","6","1") = "6"
    & skf21("3","3","4","2","7","6","7","1") = "6"
    & skf21("3","3","4","2","7","7","1","1") = "6"
    & skf21("3","3","4","2","7","7","2","1") = "6"
    & skf21("3","3","4","2","7","7","3","1") = "6"
    & skf21("3","3","4","2","7","7","4","1") = "6"
    & skf21("3","3","4","2","7","7","5","1") = "6"
    & skf21("3","3","4","2","7","7","6","1") = "6"
    & skf21("3","3","4","2","7","7","7","1") = "6"
    & skf21("3","3","4","3","1","1","1","1") = "3"
    & skf21("3","3","4","3","1","1","2","1") = "3"
    & skf21("3","3","4","3","1","1","3","1") = "3"
    & skf21("3","3","4","3","1","1","4","1") = "3"
    & skf21("3","3","4","3","1","1","5","1") = "4"
    & skf21("3","3","4","3","1","1","6","1") = "5"
    & skf21("3","3","4","3","1","1","7","1") = "6"
    & skf21("3","3","4","3","1","2","1","1") = "3"
    & skf21("3","3","4","3","1","2","2","1") = "3"
    & skf21("3","3","4","3","1","2","3","1") = "3"
    & skf21("3","3","4","3","1","2","4","1") = "3"
    & skf21("3","3","4","3","1","2","5","1") = "4"
    & skf21("3","3","4","3","1","2","6","1") = "5"
    & skf21("3","3","4","3","1","2","7","1") = "6"
    & skf21("3","3","4","3","1","3","1","1") = "3"
    & skf21("3","3","4","3","1","3","2","1") = "3"
    & skf21("3","3","4","3","1","3","3","1") = "3"
    & skf21("3","3","4","3","1","3","4","1") = "3"
    & skf21("3","3","4","3","1","3","5","1") = "4"
    & skf21("3","3","4","3","1","3","6","1") = "5"
    & skf21("3","3","4","3","1","3","7","1") = "6"
    & skf21("3","3","4","3","1","4","1","1") = "3"
    & skf21("3","3","4","3","1","4","2","1") = "3"
    & skf21("3","3","4","3","1","4","3","1") = "3"
    & skf21("3","3","4","3","1","4","4","1") = "3"
    & skf21("3","3","4","3","1","4","5","1") = "4"
    & skf21("3","3","4","3","1","4","6","1") = "5"
    & skf21("3","3","4","3","1","4","7","1") = "6"
    & skf21("3","3","4","3","1","5","1","1") = "4"
    & skf21("3","3","4","3","1","5","2","1") = "4"
    & skf21("3","3","4","3","1","5","3","1") = "4"
    & skf21("3","3","4","3","1","5","4","1") = "4"
    & skf21("3","3","4","3","1","5","5","1") = "4"
    & skf21("3","3","4","3","1","5","6","1") = "5"
    & skf21("3","3","4","3","1","5","7","1") = "6"
    & skf21("3","3","4","3","1","6","1","1") = "5"
    & skf21("3","3","4","3","1","6","2","1") = "5"
    & skf21("3","3","4","3","1","6","3","1") = "5"
    & skf21("3","3","4","3","1","6","4","1") = "5"
    & skf21("3","3","4","3","1","6","5","1") = "5"
    & skf21("3","3","4","3","1","6","6","1") = "5"
    & skf21("3","3","4","3","1","6","7","1") = "6"
    & skf21("3","3","4","3","1","7","1","1") = "6"
    & skf21("3","3","4","3","1","7","2","1") = "6"
    & skf21("3","3","4","3","1","7","3","1") = "6"
    & skf21("3","3","4","3","1","7","4","1") = "6"
    & skf21("3","3","4","3","1","7","5","1") = "6"
    & skf21("3","3","4","3","1","7","6","1") = "6"
    & skf21("3","3","4","3","1","7","7","1") = "6"
    & skf21("3","3","4","3","2","1","1","1") = "3"
    & skf21("3","3","4","3","2","1","2","1") = "3"
    & skf21("3","3","4","3","2","1","3","1") = "3"
    & skf21("3","3","4","3","2","1","4","1") = "3"
    & skf21("3","3","4","3","2","1","5","1") = "4"
    & skf21("3","3","4","3","2","1","6","1") = "5"
    & skf21("3","3","4","3","2","1","7","1") = "6"
    & skf21("3","3","4","3","2","2","1","1") = "3"
    & skf21("3","3","4","3","2","2","2","1") = "3"
    & skf21("3","3","4","3","2","2","3","1") = "3"
    & skf21("3","3","4","3","2","2","4","1") = "3"
    & skf21("3","3","4","3","2","2","5","1") = "4"
    & skf21("3","3","4","3","2","2","6","1") = "5"
    & skf21("3","3","4","3","2","2","7","1") = "6"
    & skf21("3","3","4","3","2","3","1","1") = "3"
    & skf21("3","3","4","3","2","3","2","1") = "3"
    & skf21("3","3","4","3","2","3","3","1") = "3"
    & skf21("3","3","4","3","2","3","4","1") = "3"
    & skf21("3","3","4","3","2","3","5","1") = "4"
    & skf21("3","3","4","3","2","3","6","1") = "5"
    & skf21("3","3","4","3","2","3","7","1") = "6"
    & skf21("3","3","4","3","2","4","1","1") = "3"
    & skf21("3","3","4","3","2","4","2","1") = "3"
    & skf21("3","3","4","3","2","4","3","1") = "3"
    & skf21("3","3","4","3","2","4","4","1") = "3"
    & skf21("3","3","4","3","2","4","5","1") = "4"
    & skf21("3","3","4","3","2","4","6","1") = "5"
    & skf21("3","3","4","3","2","4","7","1") = "6"
    & skf21("3","3","4","3","2","5","1","1") = "4"
    & skf21("3","3","4","3","2","5","2","1") = "4"
    & skf21("3","3","4","3","2","5","3","1") = "4"
    & skf21("3","3","4","3","2","5","4","1") = "4"
    & skf21("3","3","4","3","2","5","5","1") = "4"
    & skf21("3","3","4","3","2","5","6","1") = "5"
    & skf21("3","3","4","3","2","5","7","1") = "6"
    & skf21("3","3","4","3","2","6","1","1") = "5"
    & skf21("3","3","4","3","2","6","2","1") = "5"
    & skf21("3","3","4","3","2","6","3","1") = "5"
    & skf21("3","3","4","3","2","6","4","1") = "5"
    & skf21("3","3","4","3","2","6","5","1") = "5"
    & skf21("3","3","4","3","2","6","6","1") = "5"
    & skf21("3","3","4","3","2","6","7","1") = "6"
    & skf21("3","3","4","3","2","7","1","1") = "6"
    & skf21("3","3","4","3","2","7","2","1") = "6"
    & skf21("3","3","4","3","2","7","3","1") = "6"
    & skf21("3","3","4","3","2","7","4","1") = "6"
    & skf21("3","3","4","3","2","7","5","1") = "6"
    & skf21("3","3","4","3","2","7","6","1") = "6"
    & skf21("3","3","4","3","2","7","7","1") = "6"
    & skf21("3","3","4","3","3","1","1","1") = "3"
    & skf21("3","3","4","3","3","1","2","1") = "3"
    & skf21("3","3","4","3","3","1","3","1") = "3"
    & skf21("3","3","4","3","3","1","4","1") = "3"
    & skf21("3","3","4","3","3","1","5","1") = "4"
    & skf21("3","3","4","3","3","1","6","1") = "5"
    & skf21("3","3","4","3","3","1","7","1") = "6"
    & skf21("3","3","4","3","3","2","1","1") = "3"
    & skf21("3","3","4","3","3","2","2","1") = "3"
    & skf21("3","3","4","3","3","2","3","1") = "3"
    & skf21("3","3","4","3","3","2","4","1") = "3"
    & skf21("3","3","4","3","3","2","5","1") = "4"
    & skf21("3","3","4","3","3","2","6","1") = "5"
    & skf21("3","3","4","3","3","2","7","1") = "6"
    & skf21("3","3","4","3","3","3","1","1") = "3"
    & skf21("3","3","4","3","3","3","2","1") = "3"
    & skf21("3","3","4","3","3","3","3","1") = "3"
    & skf21("3","3","4","3","3","3","4","1") = "3"
    & skf21("3","3","4","3","3","3","5","1") = "4"
    & skf21("3","3","4","3","3","3","6","1") = "5"
    & skf21("3","3","4","3","3","3","7","1") = "6"
    & skf21("3","3","4","3","3","4","1","1") = "3"
    & skf21("3","3","4","3","3","4","2","1") = "3"
    & skf21("3","3","4","3","3","4","3","1") = "3"
    & skf21("3","3","4","3","3","4","4","1") = "3"
    & skf21("3","3","4","3","3","4","5","1") = "4"
    & skf21("3","3","4","3","3","4","6","1") = "5"
    & skf21("3","3","4","3","3","4","7","1") = "6"
    & skf21("3","3","4","3","3","5","1","1") = "4"
    & skf21("3","3","4","3","3","5","2","1") = "4"
    & skf21("3","3","4","3","3","5","3","1") = "4"
    & skf21("3","3","4","3","3","5","4","1") = "4"
    & skf21("3","3","4","3","3","5","5","1") = "4"
    & skf21("3","3","4","3","3","5","6","1") = "5"
    & skf21("3","3","4","3","3","5","7","1") = "6"
    & skf21("3","3","4","3","3","6","1","1") = "5"
    & skf21("3","3","4","3","3","6","2","1") = "5"
    & skf21("3","3","4","3","3","6","3","1") = "5"
    & skf21("3","3","4","3","3","6","4","1") = "5"
    & skf21("3","3","4","3","3","6","5","1") = "5"
    & skf21("3","3","4","3","3","6","6","1") = "5"
    & skf21("3","3","4","3","3","6","7","1") = "6"
    & skf21("3","3","4","3","3","7","1","1") = "6"
    & skf21("3","3","4","3","3","7","2","1") = "6"
    & skf21("3","3","4","3","3","7","3","1") = "6"
    & skf21("3","3","4","3","3","7","4","1") = "6"
    & skf21("3","3","4","3","3","7","5","1") = "6"
    & skf21("3","3","4","3","3","7","6","1") = "6"
    & skf21("3","3","4","3","3","7","7","1") = "6"
    & skf21("3","3","4","3","4","1","1","1") = "3"
    & skf21("3","3","4","3","4","1","2","1") = "3"
    & skf21("3","3","4","3","4","1","3","1") = "3"
    & skf21("3","3","4","3","4","1","4","1") = "3"
    & skf21("3","3","4","3","4","1","5","1") = "4"
    & skf21("3","3","4","3","4","1","6","1") = "5"
    & skf21("3","3","4","3","4","1","7","1") = "6"
    & skf21("3","3","4","3","4","2","1","1") = "3"
    & skf21("3","3","4","3","4","2","2","1") = "3"
    & skf21("3","3","4","3","4","2","3","1") = "3"
    & skf21("3","3","4","3","4","2","4","1") = "3"
    & skf21("3","3","4","3","4","2","5","1") = "4"
    & skf21("3","3","4","3","4","2","6","1") = "5"
    & skf21("3","3","4","3","4","2","7","1") = "6"
    & skf21("3","3","4","3","4","3","1","1") = "3"
    & skf21("3","3","4","3","4","3","2","1") = "3"
    & skf21("3","3","4","3","4","3","3","1") = "3"
    & skf21("3","3","4","3","4","3","4","1") = "3"
    & skf21("3","3","4","3","4","3","5","1") = "4"
    & skf21("3","3","4","3","4","3","6","1") = "5"
    & skf21("3","3","4","3","4","3","7","1") = "6"
    & skf21("3","3","4","3","4","4","1","1") = "3"
    & skf21("3","3","4","3","4","4","2","1") = "3"
    & skf21("3","3","4","3","4","4","3","1") = "3"
    & skf21("3","3","4","3","4","4","4","1") = "3"
    & skf21("3","3","4","3","4","4","5","1") = "4"
    & skf21("3","3","4","3","4","4","6","1") = "5"
    & skf21("3","3","4","3","4","4","7","1") = "6"
    & skf21("3","3","4","3","4","5","1","1") = "4"
    & skf21("3","3","4","3","4","5","2","1") = "4"
    & skf21("3","3","4","3","4","5","3","1") = "4"
    & skf21("3","3","4","3","4","5","4","1") = "4"
    & skf21("3","3","4","3","4","5","5","1") = "4"
    & skf21("3","3","4","3","4","5","6","1") = "5"
    & skf21("3","3","4","3","4","5","7","1") = "6"
    & skf21("3","3","4","3","4","6","1","1") = "5"
    & skf21("3","3","4","3","4","6","2","1") = "5"
    & skf21("3","3","4","3","4","6","3","1") = "5"
    & skf21("3","3","4","3","4","6","4","1") = "5"
    & skf21("3","3","4","3","4","6","5","1") = "5"
    & skf21("3","3","4","3","4","6","6","1") = "5"
    & skf21("3","3","4","3","4","6","7","1") = "6"
    & skf21("3","3","4","3","4","7","1","1") = "6"
    & skf21("3","3","4","3","4","7","2","1") = "6"
    & skf21("3","3","4","3","4","7","3","1") = "6"
    & skf21("3","3","4","3","4","7","4","1") = "6"
    & skf21("3","3","4","3","4","7","5","1") = "6"
    & skf21("3","3","4","3","4","7","6","1") = "6"
    & skf21("3","3","4","3","4","7","7","1") = "6"
    & skf21("3","3","4","3","5","1","1","1") = "4"
    & skf21("3","3","4","3","5","1","2","1") = "4"
    & skf21("3","3","4","3","5","1","3","1") = "4"
    & skf21("3","3","4","3","5","1","4","1") = "4"
    & skf21("3","3","4","3","5","1","5","1") = "4"
    & skf21("3","3","4","3","5","1","6","1") = "5"
    & skf21("3","3","4","3","5","1","7","1") = "6"
    & skf21("3","3","4","3","5","2","1","1") = "4"
    & skf21("3","3","4","3","5","2","2","1") = "4"
    & skf21("3","3","4","3","5","2","3","1") = "4"
    & skf21("3","3","4","3","5","2","4","1") = "4"
    & skf21("3","3","4","3","5","2","5","1") = "4"
    & skf21("3","3","4","3","5","2","6","1") = "5"
    & skf21("3","3","4","3","5","2","7","1") = "6"
    & skf21("3","3","4","3","5","3","1","1") = "4"
    & skf21("3","3","4","3","5","3","2","1") = "4"
    & skf21("3","3","4","3","5","3","3","1") = "4"
    & skf21("3","3","4","3","5","3","4","1") = "4"
    & skf21("3","3","4","3","5","3","5","1") = "4"
    & skf21("3","3","4","3","5","3","6","1") = "5"
    & skf21("3","3","4","3","5","3","7","1") = "6"
    & skf21("3","3","4","3","5","4","1","1") = "4"
    & skf21("3","3","4","3","5","4","2","1") = "4"
    & skf21("3","3","4","3","5","4","3","1") = "4"
    & skf21("3","3","4","3","5","4","4","1") = "4"
    & skf21("3","3","4","3","5","4","5","1") = "4"
    & skf21("3","3","4","3","5","4","6","1") = "5"
    & skf21("3","3","4","3","5","4","7","1") = "6"
    & skf21("3","3","4","3","5","5","1","1") = "4"
    & skf21("3","3","4","3","5","5","2","1") = "4"
    & skf21("3","3","4","3","5","5","3","1") = "4"
    & skf21("3","3","4","3","5","5","4","1") = "4"
    & skf21("3","3","4","3","5","5","5","1") = "4"
    & skf21("3","3","4","3","5","5","6","1") = "5"
    & skf21("3","3","4","3","5","5","7","1") = "6"
    & skf21("3","3","4","3","5","6","1","1") = "5"
    & skf21("3","3","4","3","5","6","2","1") = "5"
    & skf21("3","3","4","3","5","6","3","1") = "5"
    & skf21("3","3","4","3","5","6","4","1") = "5"
    & skf21("3","3","4","3","5","6","5","1") = "5"
    & skf21("3","3","4","3","5","6","6","1") = "5"
    & skf21("3","3","4","3","5","6","7","1") = "6"
    & skf21("3","3","4","3","5","7","1","1") = "6"
    & skf21("3","3","4","3","5","7","2","1") = "6"
    & skf21("3","3","4","3","5","7","3","1") = "6"
    & skf21("3","3","4","3","5","7","4","1") = "6"
    & skf21("3","3","4","3","5","7","5","1") = "6"
    & skf21("3","3","4","3","5","7","6","1") = "6"
    & skf21("3","3","4","3","5","7","7","1") = "6"
    & skf21("3","3","4","3","6","1","1","1") = "5"
    & skf21("3","3","4","3","6","1","2","1") = "5"
    & skf21("3","3","4","3","6","1","3","1") = "5"
    & skf21("3","3","4","3","6","1","4","1") = "5"
    & skf21("3","3","4","3","6","1","5","1") = "5"
    & skf21("3","3","4","3","6","1","6","1") = "5"
    & skf21("3","3","4","3","6","1","7","1") = "6"
    & skf21("3","3","4","3","6","2","1","1") = "5"
    & skf21("3","3","4","3","6","2","2","1") = "5"
    & skf21("3","3","4","3","6","2","3","1") = "5"
    & skf21("3","3","4","3","6","2","4","1") = "5"
    & skf21("3","3","4","3","6","2","5","1") = "5"
    & skf21("3","3","4","3","6","2","6","1") = "5"
    & skf21("3","3","4","3","6","2","7","1") = "6"
    & skf21("3","3","4","3","6","3","1","1") = "5"
    & skf21("3","3","4","3","6","3","2","1") = "5"
    & skf21("3","3","4","3","6","3","3","1") = "5"
    & skf21("3","3","4","3","6","3","4","1") = "5"
    & skf21("3","3","4","3","6","3","5","1") = "5"
    & skf21("3","3","4","3","6","3","6","1") = "5"
    & skf21("3","3","4","3","6","3","7","1") = "6"
    & skf21("3","3","4","3","6","4","1","1") = "5"
    & skf21("3","3","4","3","6","4","2","1") = "5"
    & skf21("3","3","4","3","6","4","3","1") = "5"
    & skf21("3","3","4","3","6","4","4","1") = "5"
    & skf21("3","3","4","3","6","4","5","1") = "5"
    & skf21("3","3","4","3","6","4","6","1") = "5"
    & skf21("3","3","4","3","6","4","7","1") = "6"
    & skf21("3","3","4","3","6","5","1","1") = "5"
    & skf21("3","3","4","3","6","5","2","1") = "5"
    & skf21("3","3","4","3","6","5","3","1") = "5"
    & skf21("3","3","4","3","6","5","4","1") = "5"
    & skf21("3","3","4","3","6","5","5","1") = "5"
    & skf21("3","3","4","3","6","5","6","1") = "5"
    & skf21("3","3","4","3","6","5","7","1") = "6"
    & skf21("3","3","4","3","6","6","1","1") = "5"
    & skf21("3","3","4","3","6","6","2","1") = "5"
    & skf21("3","3","4","3","6","6","3","1") = "5"
    & skf21("3","3","4","3","6","6","4","1") = "5"
    & skf21("3","3","4","3","6","6","5","1") = "5"
    & skf21("3","3","4","3","6","6","6","1") = "5"
    & skf21("3","3","4","3","6","6","7","1") = "6"
    & skf21("3","3","4","3","6","7","1","1") = "6"
    & skf21("3","3","4","3","6","7","2","1") = "6"
    & skf21("3","3","4","3","6","7","3","1") = "6"
    & skf21("3","3","4","3","6","7","4","1") = "6"
    & skf21("3","3","4","3","6","7","5","1") = "6"
    & skf21("3","3","4","3","6","7","6","1") = "6"
    & skf21("3","3","4","3","6","7","7","1") = "6"
    & skf21("3","3","4","3","7","1","1","1") = "6"
    & skf21("3","3","4","3","7","1","2","1") = "6"
    & skf21("3","3","4","3","7","1","3","1") = "6"
    & skf21("3","3","4","3","7","1","4","1") = "6"
    & skf21("3","3","4","3","7","1","5","1") = "6"
    & skf21("3","3","4","3","7","1","6","1") = "6"
    & skf21("3","3","4","3","7","1","7","1") = "6"
    & skf21("3","3","4","3","7","2","1","1") = "6"
    & skf21("3","3","4","3","7","2","2","1") = "6"
    & skf21("3","3","4","3","7","2","3","1") = "6"
    & skf21("3","3","4","3","7","2","4","1") = "6"
    & skf21("3","3","4","3","7","2","5","1") = "6"
    & skf21("3","3","4","3","7","2","6","1") = "6"
    & skf21("3","3","4","3","7","2","7","1") = "6"
    & skf21("3","3","4","3","7","3","1","1") = "6"
    & skf21("3","3","4","3","7","3","2","1") = "6"
    & skf21("3","3","4","3","7","3","3","1") = "6"
    & skf21("3","3","4","3","7","3","4","1") = "6"
    & skf21("3","3","4","3","7","3","5","1") = "6"
    & skf21("3","3","4","3","7","3","6","1") = "6"
    & skf21("3","3","4","3","7","3","7","1") = "6"
    & skf21("3","3","4","3","7","4","1","1") = "6"
    & skf21("3","3","4","3","7","4","2","1") = "6"
    & skf21("3","3","4","3","7","4","3","1") = "6"
    & skf21("3","3","4","3","7","4","4","1") = "6"
    & skf21("3","3","4","3","7","4","5","1") = "6"
    & skf21("3","3","4","3","7","4","6","1") = "6"
    & skf21("3","3","4","3","7","4","7","1") = "6"
    & skf21("3","3","4","3","7","5","1","1") = "6"
    & skf21("3","3","4","3","7","5","2","1") = "6"
    & skf21("3","3","4","3","7","5","3","1") = "6"
    & skf21("3","3","4","3","7","5","4","1") = "6"
    & skf21("3","3","4","3","7","5","5","1") = "6"
    & skf21("3","3","4","3","7","5","6","1") = "6"
    & skf21("3","3","4","3","7","5","7","1") = "6"
    & skf21("3","3","4","3","7","6","1","1") = "6"
    & skf21("3","3","4","3","7","6","2","1") = "6"
    & skf21("3","3","4","3","7","6","3","1") = "6"
    & skf21("3","3","4","3","7","6","4","1") = "6"
    & skf21("3","3","4","3","7","6","5","1") = "6"
    & skf21("3","3","4","3","7","6","6","1") = "6"
    & skf21("3","3","4","3","7","6","7","1") = "6"
    & skf21("3","3","4","3","7","7","1","1") = "6"
    & skf21("3","3","4","3","7","7","2","1") = "6"
    & skf21("3","3","4","3","7","7","3","1") = "6"
    & skf21("3","3","4","3","7","7","4","1") = "6"
    & skf21("3","3","4","3","7","7","5","1") = "6"
    & skf21("3","3","4","3","7","7","6","1") = "6"
    & skf21("3","3","4","3","7","7","7","1") = "6"
    & skf21("3","3","4","4","1","1","1","1") = "3"
    & skf21("3","3","4","4","1","1","2","1") = "3"
    & skf21("3","3","4","4","1","1","3","1") = "3"
    & skf21("3","3","4","4","1","1","4","1") = "3"
    & skf21("3","3","4","4","1","1","5","1") = "4"
    & skf21("3","3","4","4","1","1","6","1") = "5"
    & skf21("3","3","4","4","1","1","7","1") = "6"
    & skf21("3","3","4","4","1","2","1","1") = "3"
    & skf21("3","3","4","4","1","2","2","1") = "3"
    & skf21("3","3","4","4","1","2","3","1") = "3"
    & skf21("3","3","4","4","1","2","4","1") = "3"
    & skf21("3","3","4","4","1","2","5","1") = "4"
    & skf21("3","3","4","4","1","2","6","1") = "5"
    & skf21("3","3","4","4","1","2","7","1") = "6"
    & skf21("3","3","4","4","1","3","1","1") = "3"
    & skf21("3","3","4","4","1","3","2","1") = "3"
    & skf21("3","3","4","4","1","3","3","1") = "3"
    & skf21("3","3","4","4","1","3","4","1") = "3"
    & skf21("3","3","4","4","1","3","5","1") = "4"
    & skf21("3","3","4","4","1","3","6","1") = "5"
    & skf21("3","3","4","4","1","3","7","1") = "6"
    & skf21("3","3","4","4","1","4","1","1") = "3"
    & skf21("3","3","4","4","1","4","2","1") = "3"
    & skf21("3","3","4","4","1","4","3","1") = "3"
    & skf21("3","3","4","4","1","4","4","1") = "3"
    & skf21("3","3","4","4","1","4","5","1") = "4"
    & skf21("3","3","4","4","1","4","6","1") = "5"
    & skf21("3","3","4","4","1","4","7","1") = "6"
    & skf21("3","3","4","4","1","5","1","1") = "4"
    & skf21("3","3","4","4","1","5","2","1") = "4"
    & skf21("3","3","4","4","1","5","3","1") = "4"
    & skf21("3","3","4","4","1","5","4","1") = "4"
    & skf21("3","3","4","4","1","5","5","1") = "4"
    & skf21("3","3","4","4","1","5","6","1") = "5"
    & skf21("3","3","4","4","1","5","7","1") = "6"
    & skf21("3","3","4","4","1","6","1","1") = "5"
    & skf21("3","3","4","4","1","6","2","1") = "5"
    & skf21("3","3","4","4","1","6","3","1") = "5"
    & skf21("3","3","4","4","1","6","4","1") = "5"
    & skf21("3","3","4","4","1","6","5","1") = "5"
    & skf21("3","3","4","4","1","6","6","1") = "5"
    & skf21("3","3","4","4","1","6","7","1") = "6"
    & skf21("3","3","4","4","1","7","1","1") = "6"
    & skf21("3","3","4","4","1","7","2","1") = "6"
    & skf21("3","3","4","4","1","7","3","1") = "6"
    & skf21("3","3","4","4","1","7","4","1") = "6"
    & skf21("3","3","4","4","1","7","5","1") = "6"
    & skf21("3","3","4","4","1","7","6","1") = "6"
    & skf21("3","3","4","4","1","7","7","1") = "6"
    & skf21("3","3","4","4","2","1","1","1") = "3"
    & skf21("3","3","4","4","2","1","2","1") = "3"
    & skf21("3","3","4","4","2","1","3","1") = "3"
    & skf21("3","3","4","4","2","1","4","1") = "3"
    & skf21("3","3","4","4","2","1","5","1") = "4"
    & skf21("3","3","4","4","2","1","6","1") = "5"
    & skf21("3","3","4","4","2","1","7","1") = "6"
    & skf21("3","3","4","4","2","2","1","1") = "3"
    & skf21("3","3","4","4","2","2","2","1") = "3"
    & skf21("3","3","4","4","2","2","3","1") = "3"
    & skf21("3","3","4","4","2","2","4","1") = "3"
    & skf21("3","3","4","4","2","2","5","1") = "4"
    & skf21("3","3","4","4","2","2","6","1") = "5"
    & skf21("3","3","4","4","2","2","7","1") = "6"
    & skf21("3","3","4","4","2","3","1","1") = "3"
    & skf21("3","3","4","4","2","3","2","1") = "3"
    & skf21("3","3","4","4","2","3","3","1") = "3"
    & skf21("3","3","4","4","2","3","4","1") = "3"
    & skf21("3","3","4","4","2","3","5","1") = "4"
    & skf21("3","3","4","4","2","3","6","1") = "5"
    & skf21("3","3","4","4","2","3","7","1") = "6"
    & skf21("3","3","4","4","2","4","1","1") = "3"
    & skf21("3","3","4","4","2","4","2","1") = "3"
    & skf21("3","3","4","4","2","4","3","1") = "3"
    & skf21("3","3","4","4","2","4","4","1") = "3"
    & skf21("3","3","4","4","2","4","5","1") = "4"
    & skf21("3","3","4","4","2","4","6","1") = "5"
    & skf21("3","3","4","4","2","4","7","1") = "6"
    & skf21("3","3","4","4","2","5","1","1") = "4"
    & skf21("3","3","4","4","2","5","2","1") = "4"
    & skf21("3","3","4","4","2","5","3","1") = "4"
    & skf21("3","3","4","4","2","5","4","1") = "4"
    & skf21("3","3","4","4","2","5","5","1") = "4"
    & skf21("3","3","4","4","2","5","6","1") = "5"
    & skf21("3","3","4","4","2","5","7","1") = "6"
    & skf21("3","3","4","4","2","6","1","1") = "5"
    & skf21("3","3","4","4","2","6","2","1") = "5"
    & skf21("3","3","4","4","2","6","3","1") = "5"
    & skf21("3","3","4","4","2","6","4","1") = "5"
    & skf21("3","3","4","4","2","6","5","1") = "5"
    & skf21("3","3","4","4","2","6","6","1") = "5"
    & skf21("3","3","4","4","2","6","7","1") = "6"
    & skf21("3","3","4","4","2","7","1","1") = "6"
    & skf21("3","3","4","4","2","7","2","1") = "6"
    & skf21("3","3","4","4","2","7","3","1") = "6"
    & skf21("3","3","4","4","2","7","4","1") = "6"
    & skf21("3","3","4","4","2","7","5","1") = "6"
    & skf21("3","3","4","4","2","7","6","1") = "6"
    & skf21("3","3","4","4","2","7","7","1") = "6"
    & skf21("3","3","4","4","3","1","1","1") = "3"
    & skf21("3","3","4","4","3","1","2","1") = "3"
    & skf21("3","3","4","4","3","1","3","1") = "3"
    & skf21("3","3","4","4","3","1","4","1") = "3"
    & skf21("3","3","4","4","3","1","5","1") = "4"
    & skf21("3","3","4","4","3","1","6","1") = "5"
    & skf21("3","3","4","4","3","1","7","1") = "6"
    & skf21("3","3","4","4","3","2","1","1") = "3"
    & skf21("3","3","4","4","3","2","2","1") = "3"
    & skf21("3","3","4","4","3","2","3","1") = "3"
    & skf21("3","3","4","4","3","2","4","1") = "3"
    & skf21("3","3","4","4","3","2","5","1") = "4"
    & skf21("3","3","4","4","3","2","6","1") = "5"
    & skf21("3","3","4","4","3","2","7","1") = "6"
    & skf21("3","3","4","4","3","3","1","1") = "3"
    & skf21("3","3","4","4","3","3","2","1") = "3"
    & skf21("3","3","4","4","3","3","3","1") = "3"
    & skf21("3","3","4","4","3","3","4","1") = "3"
    & skf21("3","3","4","4","3","3","5","1") = "4"
    & skf21("3","3","4","4","3","3","6","1") = "5"
    & skf21("3","3","4","4","3","3","7","1") = "6"
    & skf21("3","3","4","4","3","4","1","1") = "3"
    & skf21("3","3","4","4","3","4","2","1") = "3"
    & skf21("3","3","4","4","3","4","3","1") = "3"
    & skf21("3","3","4","4","3","4","4","1") = "3"
    & skf21("3","3","4","4","3","4","5","1") = "4"
    & skf21("3","3","4","4","3","4","6","1") = "5"
    & skf21("3","3","4","4","3","4","7","1") = "6"
    & skf21("3","3","4","4","3","5","1","1") = "4"
    & skf21("3","3","4","4","3","5","2","1") = "4"
    & skf21("3","3","4","4","3","5","3","1") = "4"
    & skf21("3","3","4","4","3","5","4","1") = "4"
    & skf21("3","3","4","4","3","5","5","1") = "4"
    & skf21("3","3","4","4","3","5","6","1") = "5"
    & skf21("3","3","4","4","3","5","7","1") = "6"
    & skf21("3","3","4","4","3","6","1","1") = "5"
    & skf21("3","3","4","4","3","6","2","1") = "5"
    & skf21("3","3","4","4","3","6","3","1") = "5"
    & skf21("3","3","4","4","3","6","4","1") = "5"
    & skf21("3","3","4","4","3","6","5","1") = "5"
    & skf21("3","3","4","4","3","6","6","1") = "5"
    & skf21("3","3","4","4","3","6","7","1") = "6"
    & skf21("3","3","4","4","3","7","1","1") = "6"
    & skf21("3","3","4","4","3","7","2","1") = "6"
    & skf21("3","3","4","4","3","7","3","1") = "6"
    & skf21("3","3","4","4","3","7","4","1") = "6"
    & skf21("3","3","4","4","3","7","5","1") = "6"
    & skf21("3","3","4","4","3","7","6","1") = "6"
    & skf21("3","3","4","4","3","7","7","1") = "6"
    & skf21("3","3","4","4","4","1","1","1") = "3"
    & skf21("3","3","4","4","4","1","2","1") = "3"
    & skf21("3","3","4","4","4","1","3","1") = "3"
    & skf21("3","3","4","4","4","1","4","1") = "3"
    & skf21("3","3","4","4","4","1","5","1") = "4"
    & skf21("3","3","4","4","4","1","6","1") = "5"
    & skf21("3","3","4","4","4","1","7","1") = "6"
    & skf21("3","3","4","4","4","2","1","1") = "3"
    & skf21("3","3","4","4","4","2","2","1") = "3"
    & skf21("3","3","4","4","4","2","3","1") = "3"
    & skf21("3","3","4","4","4","2","4","1") = "3"
    & skf21("3","3","4","4","4","2","5","1") = "4"
    & skf21("3","3","4","4","4","2","6","1") = "5"
    & skf21("3","3","4","4","4","2","7","1") = "6"
    & skf21("3","3","4","4","4","3","1","1") = "3"
    & skf21("3","3","4","4","4","3","2","1") = "3"
    & skf21("3","3","4","4","4","3","3","1") = "3"
    & skf21("3","3","4","4","4","3","4","1") = "3"
    & skf21("3","3","4","4","4","3","5","1") = "4"
    & skf21("3","3","4","4","4","3","6","1") = "5"
    & skf21("3","3","4","4","4","3","7","1") = "6"
    & skf21("3","3","4","4","4","4","1","1") = "3"
    & skf21("3","3","4","4","4","4","2","1") = "3"
    & skf21("3","3","4","4","4","4","3","1") = "3"
    & skf21("3","3","4","4","4","4","4","1") = "3"
    & skf21("3","3","4","4","4","4","5","1") = "4"
    & skf21("3","3","4","4","4","4","6","1") = "5"
    & skf21("3","3","4","4","4","4","7","1") = "6"
    & skf21("3","3","4","4","4","5","1","1") = "4"
    & skf21("3","3","4","4","4","5","2","1") = "4"
    & skf21("3","3","4","4","4","5","3","1") = "4"
    & skf21("3","3","4","4","4","5","4","1") = "4"
    & skf21("3","3","4","4","4","5","5","1") = "4"
    & skf21("3","3","4","4","4","5","6","1") = "5"
    & skf21("3","3","4","4","4","5","7","1") = "6"
    & skf21("3","3","4","4","4","6","1","1") = "5"
    & skf21("3","3","4","4","4","6","2","1") = "5"
    & skf21("3","3","4","4","4","6","3","1") = "5"
    & skf21("3","3","4","4","4","6","4","1") = "5"
    & skf21("3","3","4","4","4","6","5","1") = "5"
    & skf21("3","3","4","4","4","6","6","1") = "5"
    & skf21("3","3","4","4","4","6","7","1") = "6"
    & skf21("3","3","4","4","4","7","1","1") = "6"
    & skf21("3","3","4","4","4","7","2","1") = "6"
    & skf21("3","3","4","4","4","7","3","1") = "6"
    & skf21("3","3","4","4","4","7","4","1") = "6"
    & skf21("3","3","4","4","4","7","5","1") = "6"
    & skf21("3","3","4","4","4","7","6","1") = "6"
    & skf21("3","3","4","4","4","7","7","1") = "6"
    & skf21("3","3","4","4","5","1","1","1") = "4"
    & skf21("3","3","4","4","5","1","2","1") = "4"
    & skf21("3","3","4","4","5","1","3","1") = "4"
    & skf21("3","3","4","4","5","1","4","1") = "4"
    & skf21("3","3","4","4","5","1","5","1") = "4"
    & skf21("3","3","4","4","5","1","6","1") = "5"
    & skf21("3","3","4","4","5","1","7","1") = "6"
    & skf21("3","3","4","4","5","2","1","1") = "4"
    & skf21("3","3","4","4","5","2","2","1") = "4"
    & skf21("3","3","4","4","5","2","3","1") = "4"
    & skf21("3","3","4","4","5","2","4","1") = "4"
    & skf21("3","3","4","4","5","2","5","1") = "4"
    & skf21("3","3","4","4","5","2","6","1") = "5"
    & skf21("3","3","4","4","5","2","7","1") = "6"
    & skf21("3","3","4","4","5","3","1","1") = "4"
    & skf21("3","3","4","4","5","3","2","1") = "4"
    & skf21("3","3","4","4","5","3","3","1") = "4"
    & skf21("3","3","4","4","5","3","4","1") = "4"
    & skf21("3","3","4","4","5","3","5","1") = "4"
    & skf21("3","3","4","4","5","3","6","1") = "5"
    & skf21("3","3","4","4","5","3","7","1") = "6"
    & skf21("3","3","4","4","5","4","1","1") = "4"
    & skf21("3","3","4","4","5","4","2","1") = "4"
    & skf21("3","3","4","4","5","4","3","1") = "4"
    & skf21("3","3","4","4","5","4","4","1") = "4"
    & skf21("3","3","4","4","5","4","5","1") = "4"
    & skf21("3","3","4","4","5","4","6","1") = "5"
    & skf21("3","3","4","4","5","4","7","1") = "6"
    & skf21("3","3","4","4","5","5","1","1") = "4"
    & skf21("3","3","4","4","5","5","2","1") = "4"
    & skf21("3","3","4","4","5","5","3","1") = "4"
    & skf21("3","3","4","4","5","5","4","1") = "4"
    & skf21("3","3","4","4","5","5","5","1") = "4"
    & skf21("3","3","4","4","5","5","6","1") = "5"
    & skf21("3","3","4","4","5","5","7","1") = "6"
    & skf21("3","3","4","4","5","6","1","1") = "5"
    & skf21("3","3","4","4","5","6","2","1") = "5"
    & skf21("3","3","4","4","5","6","3","1") = "5"
    & skf21("3","3","4","4","5","6","4","1") = "5"
    & skf21("3","3","4","4","5","6","5","1") = "5"
    & skf21("3","3","4","4","5","6","6","1") = "5"
    & skf21("3","3","4","4","5","6","7","1") = "6"
    & skf21("3","3","4","4","5","7","1","1") = "6"
    & skf21("3","3","4","4","5","7","2","1") = "6"
    & skf21("3","3","4","4","5","7","3","1") = "6"
    & skf21("3","3","4","4","5","7","4","1") = "6"
    & skf21("3","3","4","4","5","7","5","1") = "6"
    & skf21("3","3","4","4","5","7","6","1") = "6"
    & skf21("3","3","4","4","5","7","7","1") = "6"
    & skf21("3","3","4","4","6","1","1","1") = "5"
    & skf21("3","3","4","4","6","1","2","1") = "5"
    & skf21("3","3","4","4","6","1","3","1") = "5"
    & skf21("3","3","4","4","6","1","4","1") = "5"
    & skf21("3","3","4","4","6","1","5","1") = "5"
    & skf21("3","3","4","4","6","1","6","1") = "5"
    & skf21("3","3","4","4","6","1","7","1") = "6"
    & skf21("3","3","4","4","6","2","1","1") = "5"
    & skf21("3","3","4","4","6","2","2","1") = "5"
    & skf21("3","3","4","4","6","2","3","1") = "5"
    & skf21("3","3","4","4","6","2","4","1") = "5"
    & skf21("3","3","4","4","6","2","5","1") = "5"
    & skf21("3","3","4","4","6","2","6","1") = "5"
    & skf21("3","3","4","4","6","2","7","1") = "6"
    & skf21("3","3","4","4","6","3","1","1") = "5"
    & skf21("3","3","4","4","6","3","2","1") = "5"
    & skf21("3","3","4","4","6","3","3","1") = "5"
    & skf21("3","3","4","4","6","3","4","1") = "5"
    & skf21("3","3","4","4","6","3","5","1") = "5"
    & skf21("3","3","4","4","6","3","6","1") = "5"
    & skf21("3","3","4","4","6","3","7","1") = "6"
    & skf21("3","3","4","4","6","4","1","1") = "5"
    & skf21("3","3","4","4","6","4","2","1") = "5"
    & skf21("3","3","4","4","6","4","3","1") = "5"
    & skf21("3","3","4","4","6","4","4","1") = "5"
    & skf21("3","3","4","4","6","4","5","1") = "5"
    & skf21("3","3","4","4","6","4","6","1") = "5"
    & skf21("3","3","4","4","6","4","7","1") = "6"
    & skf21("3","3","4","4","6","5","1","1") = "5"
    & skf21("3","3","4","4","6","5","2","1") = "5"
    & skf21("3","3","4","4","6","5","3","1") = "5"
    & skf21("3","3","4","4","6","5","4","1") = "5"
    & skf21("3","3","4","4","6","5","5","1") = "5"
    & skf21("3","3","4","4","6","5","6","1") = "5"
    & skf21("3","3","4","4","6","5","7","1") = "6"
    & skf21("3","3","4","4","6","6","1","1") = "5"
    & skf21("3","3","4","4","6","6","2","1") = "5"
    & skf21("3","3","4","4","6","6","3","1") = "5"
    & skf21("3","3","4","4","6","6","4","1") = "5"
    & skf21("3","3","4","4","6","6","5","1") = "5"
    & skf21("3","3","4","4","6","6","6","1") = "5"
    & skf21("3","3","4","4","6","6","7","1") = "6"
    & skf21("3","3","4","4","6","7","1","1") = "6"
    & skf21("3","3","4","4","6","7","2","1") = "6"
    & skf21("3","3","4","4","6","7","3","1") = "6"
    & skf21("3","3","4","4","6","7","4","1") = "6"
    & skf21("3","3","4","4","6","7","5","1") = "6"
    & skf21("3","3","4","4","6","7","6","1") = "6"
    & skf21("3","3","4","4","6","7","7","1") = "6"
    & skf21("3","3","4","4","7","1","1","1") = "6"
    & skf21("3","3","4","4","7","1","2","1") = "6"
    & skf21("3","3","4","4","7","1","3","1") = "6"
    & skf21("3","3","4","4","7","1","4","1") = "6"
    & skf21("3","3","4","4","7","1","5","1") = "6"
    & skf21("3","3","4","4","7","1","6","1") = "6"
    & skf21("3","3","4","4","7","1","7","1") = "6"
    & skf21("3","3","4","4","7","2","1","1") = "6"
    & skf21("3","3","4","4","7","2","2","1") = "6"
    & skf21("3","3","4","4","7","2","3","1") = "6"
    & skf21("3","3","4","4","7","2","4","1") = "6"
    & skf21("3","3","4","4","7","2","5","1") = "6"
    & skf21("3","3","4","4","7","2","6","1") = "6"
    & skf21("3","3","4","4","7","2","7","1") = "6"
    & skf21("3","3","4","4","7","3","1","1") = "6"
    & skf21("3","3","4","4","7","3","2","1") = "6"
    & skf21("3","3","4","4","7","3","3","1") = "6"
    & skf21("3","3","4","4","7","3","4","1") = "6"
    & skf21("3","3","4","4","7","3","5","1") = "6"
    & skf21("3","3","4","4","7","3","6","1") = "6"
    & skf21("3","3","4","4","7","3","7","1") = "6"
    & skf21("3","3","4","4","7","4","1","1") = "6"
    & skf21("3","3","4","4","7","4","2","1") = "6"
    & skf21("3","3","4","4","7","4","3","1") = "6"
    & skf21("3","3","4","4","7","4","4","1") = "6"
    & skf21("3","3","4","4","7","4","5","1") = "6"
    & skf21("3","3","4","4","7","4","6","1") = "6"
    & skf21("3","3","4","4","7","4","7","1") = "6"
    & skf21("3","3","4","4","7","5","1","1") = "6"
    & skf21("3","3","4","4","7","5","2","1") = "6"
    & skf21("3","3","4","4","7","5","3","1") = "6"
    & skf21("3","3","4","4","7","5","4","1") = "6"
    & skf21("3","3","4","4","7","5","5","1") = "6"
    & skf21("3","3","4","4","7","5","6","1") = "6"
    & skf21("3","3","4","4","7","5","7","1") = "6"
    & skf21("3","3","4","4","7","6","1","1") = "6"
    & skf21("3","3","4","4","7","6","2","1") = "6"
    & skf21("3","3","4","4","7","6","3","1") = "6"
    & skf21("3","3","4","4","7","6","4","1") = "6"
    & skf21("3","3","4","4","7","6","5","1") = "6"
    & skf21("3","3","4","4","7","6","6","1") = "6"
    & skf21("3","3","4","4","7","6","7","1") = "6"
    & skf21("3","3","4","4","7","7","1","1") = "6"
    & skf21("3","3","4","4","7","7","2","1") = "6"
    & skf21("3","3","4","4","7","7","3","1") = "6"
    & skf21("3","3","4","4","7","7","4","1") = "6"
    & skf21("3","3","4","4","7","7","5","1") = "6"
    & skf21("3","3","4","4","7","7","6","1") = "6"
    & skf21("3","3","4","4","7","7","7","1") = "6"
    & skf21("3","3","4","5","1","1","1","1") = "4"
    & skf21("3","3","4","5","1","1","2","1") = "4"
    & skf21("3","3","4","5","1","1","3","1") = "4"
    & skf21("3","3","4","5","1","1","4","1") = "4"
    & skf21("3","3","4","5","1","1","5","1") = "4"
    & skf21("3","3","4","5","1","1","6","1") = "5"
    & skf21("3","3","4","5","1","1","7","1") = "6"
    & skf21("3","3","4","5","1","2","1","1") = "4"
    & skf21("3","3","4","5","1","2","2","1") = "4"
    & skf21("3","3","4","5","1","2","3","1") = "4"
    & skf21("3","3","4","5","1","2","4","1") = "4"
    & skf21("3","3","4","5","1","2","5","1") = "4"
    & skf21("3","3","4","5","1","2","6","1") = "5"
    & skf21("3","3","4","5","1","2","7","1") = "6"
    & skf21("3","3","4","5","1","3","1","1") = "4"
    & skf21("3","3","4","5","1","3","2","1") = "4"
    & skf21("3","3","4","5","1","3","3","1") = "4"
    & skf21("3","3","4","5","1","3","4","1") = "4"
    & skf21("3","3","4","5","1","3","5","1") = "4"
    & skf21("3","3","4","5","1","3","6","1") = "5"
    & skf21("3","3","4","5","1","3","7","1") = "6"
    & skf21("3","3","4","5","1","4","1","1") = "4"
    & skf21("3","3","4","5","1","4","2","1") = "4"
    & skf21("3","3","4","5","1","4","3","1") = "4"
    & skf21("3","3","4","5","1","4","4","1") = "4"
    & skf21("3","3","4","5","1","4","5","1") = "4"
    & skf21("3","3","4","5","1","4","6","1") = "5"
    & skf21("3","3","4","5","1","4","7","1") = "6"
    & skf21("3","3","4","5","1","5","1","1") = "4"
    & skf21("3","3","4","5","1","5","2","1") = "4"
    & skf21("3","3","4","5","1","5","3","1") = "4"
    & skf21("3","3","4","5","1","5","4","1") = "4"
    & skf21("3","3","4","5","1","5","5","1") = "4"
    & skf21("3","3","4","5","1","5","6","1") = "5"
    & skf21("3","3","4","5","1","5","7","1") = "6"
    & skf21("3","3","4","5","1","6","1","1") = "5"
    & skf21("3","3","4","5","1","6","2","1") = "5"
    & skf21("3","3","4","5","1","6","3","1") = "5"
    & skf21("3","3","4","5","1","6","4","1") = "5"
    & skf21("3","3","4","5","1","6","5","1") = "5"
    & skf21("3","3","4","5","1","6","6","1") = "5"
    & skf21("3","3","4","5","1","6","7","1") = "6"
    & skf21("3","3","4","5","1","7","1","1") = "6"
    & skf21("3","3","4","5","1","7","2","1") = "6"
    & skf21("3","3","4","5","1","7","3","1") = "6"
    & skf21("3","3","4","5","1","7","4","1") = "6"
    & skf21("3","3","4","5","1","7","5","1") = "6"
    & skf21("3","3","4","5","1","7","6","1") = "6"
    & skf21("3","3","4","5","1","7","7","1") = "6"
    & skf21("3","3","4","5","2","1","1","1") = "4"
    & skf21("3","3","4","5","2","1","2","1") = "4"
    & skf21("3","3","4","5","2","1","3","1") = "4"
    & skf21("3","3","4","5","2","1","4","1") = "4"
    & skf21("3","3","4","5","2","1","5","1") = "4"
    & skf21("3","3","4","5","2","1","6","1") = "5"
    & skf21("3","3","4","5","2","1","7","1") = "6"
    & skf21("3","3","4","5","2","2","1","1") = "4"
    & skf21("3","3","4","5","2","2","2","1") = "4"
    & skf21("3","3","4","5","2","2","3","1") = "4"
    & skf21("3","3","4","5","2","2","4","1") = "4"
    & skf21("3","3","4","5","2","2","5","1") = "4"
    & skf21("3","3","4","5","2","2","6","1") = "5"
    & skf21("3","3","4","5","2","2","7","1") = "6"
    & skf21("3","3","4","5","2","3","1","1") = "4"
    & skf21("3","3","4","5","2","3","2","1") = "4"
    & skf21("3","3","4","5","2","3","3","1") = "4"
    & skf21("3","3","4","5","2","3","4","1") = "4"
    & skf21("3","3","4","5","2","3","5","1") = "4"
    & skf21("3","3","4","5","2","3","6","1") = "5"
    & skf21("3","3","4","5","2","3","7","1") = "6"
    & skf21("3","3","4","5","2","4","1","1") = "4"
    & skf21("3","3","4","5","2","4","2","1") = "4"
    & skf21("3","3","4","5","2","4","3","1") = "4"
    & skf21("3","3","4","5","2","4","4","1") = "4"
    & skf21("3","3","4","5","2","4","5","1") = "4"
    & skf21("3","3","4","5","2","4","6","1") = "5"
    & skf21("3","3","4","5","2","4","7","1") = "6"
    & skf21("3","3","4","5","2","5","1","1") = "4"
    & skf21("3","3","4","5","2","5","2","1") = "4"
    & skf21("3","3","4","5","2","5","3","1") = "4"
    & skf21("3","3","4","5","2","5","4","1") = "4"
    & skf21("3","3","4","5","2","5","5","1") = "4"
    & skf21("3","3","4","5","2","5","6","1") = "5"
    & skf21("3","3","4","5","2","5","7","1") = "6"
    & skf21("3","3","4","5","2","6","1","1") = "5"
    & skf21("3","3","4","5","2","6","2","1") = "5"
    & skf21("3","3","4","5","2","6","3","1") = "5"
    & skf21("3","3","4","5","2","6","4","1") = "5"
    & skf21("3","3","4","5","2","6","5","1") = "5"
    & skf21("3","3","4","5","2","6","6","1") = "5"
    & skf21("3","3","4","5","2","6","7","1") = "6"
    & skf21("3","3","4","5","2","7","1","1") = "6"
    & skf21("3","3","4","5","2","7","2","1") = "6"
    & skf21("3","3","4","5","2","7","3","1") = "6"
    & skf21("3","3","4","5","2","7","4","1") = "6"
    & skf21("3","3","4","5","2","7","5","1") = "6"
    & skf21("3","3","4","5","2","7","6","1") = "6"
    & skf21("3","3","4","5","2","7","7","1") = "6"
    & skf21("3","3","4","5","3","1","1","1") = "4"
    & skf21("3","3","4","5","3","1","2","1") = "4"
    & skf21("3","3","4","5","3","1","3","1") = "4"
    & skf21("3","3","4","5","3","1","4","1") = "4"
    & skf21("3","3","4","5","3","1","5","1") = "4"
    & skf21("3","3","4","5","3","1","6","1") = "5"
    & skf21("3","3","4","5","3","1","7","1") = "6"
    & skf21("3","3","4","5","3","2","1","1") = "4"
    & skf21("3","3","4","5","3","2","2","1") = "4"
    & skf21("3","3","4","5","3","2","3","1") = "4"
    & skf21("3","3","4","5","3","2","4","1") = "4"
    & skf21("3","3","4","5","3","2","5","1") = "4"
    & skf21("3","3","4","5","3","2","6","1") = "5"
    & skf21("3","3","4","5","3","2","7","1") = "6"
    & skf21("3","3","4","5","3","3","1","1") = "4"
    & skf21("3","3","4","5","3","3","2","1") = "4"
    & skf21("3","3","4","5","3","3","3","1") = "4"
    & skf21("3","3","4","5","3","3","4","1") = "4"
    & skf21("3","3","4","5","3","3","5","1") = "4"
    & skf21("3","3","4","5","3","3","6","1") = "5"
    & skf21("3","3","4","5","3","3","7","1") = "6"
    & skf21("3","3","4","5","3","4","1","1") = "4"
    & skf21("3","3","4","5","3","4","2","1") = "4"
    & skf21("3","3","4","5","3","4","3","1") = "4"
    & skf21("3","3","4","5","3","4","4","1") = "4"
    & skf21("3","3","4","5","3","4","5","1") = "4"
    & skf21("3","3","4","5","3","4","6","1") = "5"
    & skf21("3","3","4","5","3","4","7","1") = "6"
    & skf21("3","3","4","5","3","5","1","1") = "4"
    & skf21("3","3","4","5","3","5","2","1") = "4"
    & skf21("3","3","4","5","3","5","3","1") = "4"
    & skf21("3","3","4","5","3","5","4","1") = "4"
    & skf21("3","3","4","5","3","5","5","1") = "4"
    & skf21("3","3","4","5","3","5","6","1") = "5"
    & skf21("3","3","4","5","3","5","7","1") = "6"
    & skf21("3","3","4","5","3","6","1","1") = "5"
    & skf21("3","3","4","5","3","6","2","1") = "5"
    & skf21("3","3","4","5","3","6","3","1") = "5"
    & skf21("3","3","4","5","3","6","4","1") = "5"
    & skf21("3","3","4","5","3","6","5","1") = "5"
    & skf21("3","3","4","5","3","6","6","1") = "5"
    & skf21("3","3","4","5","3","6","7","1") = "6"
    & skf21("3","3","4","5","3","7","1","1") = "6"
    & skf21("3","3","4","5","3","7","2","1") = "6"
    & skf21("3","3","4","5","3","7","3","1") = "6"
    & skf21("3","3","4","5","3","7","4","1") = "6"
    & skf21("3","3","4","5","3","7","5","1") = "6"
    & skf21("3","3","4","5","3","7","6","1") = "6"
    & skf21("3","3","4","5","3","7","7","1") = "6"
    & skf21("3","3","4","5","4","1","1","1") = "4"
    & skf21("3","3","4","5","4","1","2","1") = "4"
    & skf21("3","3","4","5","4","1","3","1") = "4"
    & skf21("3","3","4","5","4","1","4","1") = "4"
    & skf21("3","3","4","5","4","1","5","1") = "4"
    & skf21("3","3","4","5","4","1","6","1") = "5"
    & skf21("3","3","4","5","4","1","7","1") = "6"
    & skf21("3","3","4","5","4","2","1","1") = "4"
    & skf21("3","3","4","5","4","2","2","1") = "4"
    & skf21("3","3","4","5","4","2","3","1") = "4"
    & skf21("3","3","4","5","4","2","4","1") = "4"
    & skf21("3","3","4","5","4","2","5","1") = "4"
    & skf21("3","3","4","5","4","2","6","1") = "5"
    & skf21("3","3","4","5","4","2","7","1") = "6"
    & skf21("3","3","4","5","4","3","1","1") = "4"
    & skf21("3","3","4","5","4","3","2","1") = "4"
    & skf21("3","3","4","5","4","3","3","1") = "4"
    & skf21("3","3","4","5","4","3","4","1") = "4"
    & skf21("3","3","4","5","4","3","5","1") = "4"
    & skf21("3","3","4","5","4","3","6","1") = "5"
    & skf21("3","3","4","5","4","3","7","1") = "6"
    & skf21("3","3","4","5","4","4","1","1") = "4"
    & skf21("3","3","4","5","4","4","2","1") = "4"
    & skf21("3","3","4","5","4","4","3","1") = "4"
    & skf21("3","3","4","5","4","4","4","1") = "4"
    & skf21("3","3","4","5","4","4","5","1") = "4"
    & skf21("3","3","4","5","4","4","6","1") = "5"
    & skf21("3","3","4","5","4","4","7","1") = "6"
    & skf21("3","3","4","5","4","5","1","1") = "4"
    & skf21("3","3","4","5","4","5","2","1") = "4"
    & skf21("3","3","4","5","4","5","3","1") = "4"
    & skf21("3","3","4","5","4","5","4","1") = "4"
    & skf21("3","3","4","5","4","5","5","1") = "4"
    & skf21("3","3","4","5","4","5","6","1") = "5"
    & skf21("3","3","4","5","4","5","7","1") = "6"
    & skf21("3","3","4","5","4","6","1","1") = "5"
    & skf21("3","3","4","5","4","6","2","1") = "5"
    & skf21("3","3","4","5","4","6","3","1") = "5"
    & skf21("3","3","4","5","4","6","4","1") = "5"
    & skf21("3","3","4","5","4","6","5","1") = "5"
    & skf21("3","3","4","5","4","6","6","1") = "5"
    & skf21("3","3","4","5","4","6","7","1") = "6"
    & skf21("3","3","4","5","4","7","1","1") = "6"
    & skf21("3","3","4","5","4","7","2","1") = "6"
    & skf21("3","3","4","5","4","7","3","1") = "6"
    & skf21("3","3","4","5","4","7","4","1") = "6"
    & skf21("3","3","4","5","4","7","5","1") = "6"
    & skf21("3","3","4","5","4","7","6","1") = "6"
    & skf21("3","3","4","5","4","7","7","1") = "6"
    & skf21("3","3","4","5","5","1","1","1") = "4"
    & skf21("3","3","4","5","5","1","2","1") = "4"
    & skf21("3","3","4","5","5","1","3","1") = "4"
    & skf21("3","3","4","5","5","1","4","1") = "4"
    & skf21("3","3","4","5","5","1","5","1") = "4"
    & skf21("3","3","4","5","5","1","6","1") = "5"
    & skf21("3","3","4","5","5","1","7","1") = "6"
    & skf21("3","3","4","5","5","2","1","1") = "4"
    & skf21("3","3","4","5","5","2","2","1") = "4"
    & skf21("3","3","4","5","5","2","3","1") = "4"
    & skf21("3","3","4","5","5","2","4","1") = "4"
    & skf21("3","3","4","5","5","2","5","1") = "4"
    & skf21("3","3","4","5","5","2","6","1") = "5"
    & skf21("3","3","4","5","5","2","7","1") = "6"
    & skf21("3","3","4","5","5","3","1","1") = "4"
    & skf21("3","3","4","5","5","3","2","1") = "4"
    & skf21("3","3","4","5","5","3","3","1") = "4"
    & skf21("3","3","4","5","5","3","4","1") = "4"
    & skf21("3","3","4","5","5","3","5","1") = "4"
    & skf21("3","3","4","5","5","3","6","1") = "5"
    & skf21("3","3","4","5","5","3","7","1") = "6"
    & skf21("3","3","4","5","5","4","1","1") = "4"
    & skf21("3","3","4","5","5","4","2","1") = "4"
    & skf21("3","3","4","5","5","4","3","1") = "4"
    & skf21("3","3","4","5","5","4","4","1") = "4"
    & skf21("3","3","4","5","5","4","5","1") = "4"
    & skf21("3","3","4","5","5","4","6","1") = "5"
    & skf21("3","3","4","5","5","4","7","1") = "6"
    & skf21("3","3","4","5","5","5","1","1") = "4"
    & skf21("3","3","4","5","5","5","2","1") = "4"
    & skf21("3","3","4","5","5","5","3","1") = "4"
    & skf21("3","3","4","5","5","5","4","1") = "4"
    & skf21("3","3","4","5","5","5","5","1") = "4"
    & skf21("3","3","4","5","5","5","6","1") = "5"
    & skf21("3","3","4","5","5","5","7","1") = "6"
    & skf21("3","3","4","5","5","6","1","1") = "5"
    & skf21("3","3","4","5","5","6","2","1") = "5"
    & skf21("3","3","4","5","5","6","3","1") = "5"
    & skf21("3","3","4","5","5","6","4","1") = "5"
    & skf21("3","3","4","5","5","6","5","1") = "5"
    & skf21("3","3","4","5","5","6","6","1") = "5"
    & skf21("3","3","4","5","5","6","7","1") = "6"
    & skf21("3","3","4","5","5","7","1","1") = "6"
    & skf21("3","3","4","5","5","7","2","1") = "6"
    & skf21("3","3","4","5","5","7","3","1") = "6"
    & skf21("3","3","4","5","5","7","4","1") = "6"
    & skf21("3","3","4","5","5","7","5","1") = "6"
    & skf21("3","3","4","5","5","7","6","1") = "6"
    & skf21("3","3","4","5","5","7","7","1") = "6"
    & skf21("3","3","4","5","6","1","1","1") = "5"
    & skf21("3","3","4","5","6","1","2","1") = "5"
    & skf21("3","3","4","5","6","1","3","1") = "5"
    & skf21("3","3","4","5","6","1","4","1") = "5"
    & skf21("3","3","4","5","6","1","5","1") = "5"
    & skf21("3","3","4","5","6","1","6","1") = "5"
    & skf21("3","3","4","5","6","1","7","1") = "6"
    & skf21("3","3","4","5","6","2","1","1") = "5"
    & skf21("3","3","4","5","6","2","2","1") = "5"
    & skf21("3","3","4","5","6","2","3","1") = "5"
    & skf21("3","3","4","5","6","2","4","1") = "5"
    & skf21("3","3","4","5","6","2","5","1") = "5"
    & skf21("3","3","4","5","6","2","6","1") = "5"
    & skf21("3","3","4","5","6","2","7","1") = "6"
    & skf21("3","3","4","5","6","3","1","1") = "5"
    & skf21("3","3","4","5","6","3","2","1") = "5"
    & skf21("3","3","4","5","6","3","3","1") = "5"
    & skf21("3","3","4","5","6","3","4","1") = "5"
    & skf21("3","3","4","5","6","3","5","1") = "5"
    & skf21("3","3","4","5","6","3","6","1") = "5"
    & skf21("3","3","4","5","6","3","7","1") = "6"
    & skf21("3","3","4","5","6","4","1","1") = "5"
    & skf21("3","3","4","5","6","4","2","1") = "5"
    & skf21("3","3","4","5","6","4","3","1") = "5"
    & skf21("3","3","4","5","6","4","4","1") = "5"
    & skf21("3","3","4","5","6","4","5","1") = "5"
    & skf21("3","3","4","5","6","4","6","1") = "5"
    & skf21("3","3","4","5","6","4","7","1") = "6"
    & skf21("3","3","4","5","6","5","1","1") = "5"
    & skf21("3","3","4","5","6","5","2","1") = "5"
    & skf21("3","3","4","5","6","5","3","1") = "5"
    & skf21("3","3","4","5","6","5","4","1") = "5"
    & skf21("3","3","4","5","6","5","5","1") = "5"
    & skf21("3","3","4","5","6","5","6","1") = "5"
    & skf21("3","3","4","5","6","5","7","1") = "6"
    & skf21("3","3","4","5","6","6","1","1") = "5"
    & skf21("3","3","4","5","6","6","2","1") = "5"
    & skf21("3","3","4","5","6","6","3","1") = "5"
    & skf21("3","3","4","5","6","6","4","1") = "5"
    & skf21("3","3","4","5","6","6","5","1") = "5"
    & skf21("3","3","4","5","6","6","6","1") = "5"
    & skf21("3","3","4","5","6","6","7","1") = "6"
    & skf21("3","3","4","5","6","7","1","1") = "6"
    & skf21("3","3","4","5","6","7","2","1") = "6"
    & skf21("3","3","4","5","6","7","3","1") = "6"
    & skf21("3","3","4","5","6","7","4","1") = "6"
    & skf21("3","3","4","5","6","7","5","1") = "6"
    & skf21("3","3","4","5","6","7","6","1") = "6"
    & skf21("3","3","4","5","6","7","7","1") = "6"
    & skf21("3","3","4","5","7","1","1","1") = "6"
    & skf21("3","3","4","5","7","1","2","1") = "6"
    & skf21("3","3","4","5","7","1","3","1") = "6"
    & skf21("3","3","4","5","7","1","4","1") = "6"
    & skf21("3","3","4","5","7","1","5","1") = "6"
    & skf21("3","3","4","5","7","1","6","1") = "6"
    & skf21("3","3","4","5","7","1","7","1") = "6"
    & skf21("3","3","4","5","7","2","1","1") = "6"
    & skf21("3","3","4","5","7","2","2","1") = "6"
    & skf21("3","3","4","5","7","2","3","1") = "6"
    & skf21("3","3","4","5","7","2","4","1") = "6"
    & skf21("3","3","4","5","7","2","5","1") = "6"
    & skf21("3","3","4","5","7","2","6","1") = "6"
    & skf21("3","3","4","5","7","2","7","1") = "6"
    & skf21("3","3","4","5","7","3","1","1") = "6"
    & skf21("3","3","4","5","7","3","2","1") = "6"
    & skf21("3","3","4","5","7","3","3","1") = "6"
    & skf21("3","3","4","5","7","3","4","1") = "6"
    & skf21("3","3","4","5","7","3","5","1") = "6"
    & skf21("3","3","4","5","7","3","6","1") = "6"
    & skf21("3","3","4","5","7","3","7","1") = "6"
    & skf21("3","3","4","5","7","4","1","1") = "6"
    & skf21("3","3","4","5","7","4","2","1") = "6"
    & skf21("3","3","4","5","7","4","3","1") = "6"
    & skf21("3","3","4","5","7","4","4","1") = "6"
    & skf21("3","3","4","5","7","4","5","1") = "6"
    & skf21("3","3","4","5","7","4","6","1") = "6"
    & skf21("3","3","4","5","7","4","7","1") = "6"
    & skf21("3","3","4","5","7","5","1","1") = "6"
    & skf21("3","3","4","5","7","5","2","1") = "6"
    & skf21("3","3","4","5","7","5","3","1") = "6"
    & skf21("3","3","4","5","7","5","4","1") = "6"
    & skf21("3","3","4","5","7","5","5","1") = "6"
    & skf21("3","3","4","5","7","5","6","1") = "6"
    & skf21("3","3","4","5","7","5","7","1") = "6"
    & skf21("3","3","4","5","7","6","1","1") = "6"
    & skf21("3","3","4","5","7","6","2","1") = "6"
    & skf21("3","3","4","5","7","6","3","1") = "6"
    & skf21("3","3","4","5","7","6","4","1") = "6"
    & skf21("3","3","4","5","7","6","5","1") = "6"
    & skf21("3","3","4","5","7","6","6","1") = "6"
    & skf21("3","3","4","5","7","6","7","1") = "6"
    & skf21("3","3","4","5","7","7","1","1") = "6"
    & skf21("3","3","4","5","7","7","2","1") = "6"
    & skf21("3","3","4","5","7","7","3","1") = "6"
    & skf21("3","3","4","5","7","7","4","1") = "6"
    & skf21("3","3","4","5","7","7","5","1") = "6"
    & skf21("3","3","4","5","7","7","6","1") = "6"
    & skf21("3","3","4","5","7","7","7","1") = "6"
    & skf21("3","3","4","6","1","1","1","1") = "5"
    & skf21("3","3","4","6","1","1","2","1") = "5"
    & skf21("3","3","4","6","1","1","3","1") = "5"
    & skf21("3","3","4","6","1","1","4","1") = "5"
    & skf21("3","3","4","6","1","1","5","1") = "5"
    & skf21("3","3","4","6","1","1","6","1") = "5"
    & skf21("3","3","4","6","1","1","7","1") = "6"
    & skf21("3","3","4","6","1","2","1","1") = "5"
    & skf21("3","3","4","6","1","2","2","1") = "5"
    & skf21("3","3","4","6","1","2","3","1") = "5"
    & skf21("3","3","4","6","1","2","4","1") = "5"
    & skf21("3","3","4","6","1","2","5","1") = "5"
    & skf21("3","3","4","6","1","2","6","1") = "5"
    & skf21("3","3","4","6","1","2","7","1") = "6"
    & skf21("3","3","4","6","1","3","1","1") = "5"
    & skf21("3","3","4","6","1","3","2","1") = "5"
    & skf21("3","3","4","6","1","3","3","1") = "5"
    & skf21("3","3","4","6","1","3","4","1") = "5"
    & skf21("3","3","4","6","1","3","5","1") = "5"
    & skf21("3","3","4","6","1","3","6","1") = "5"
    & skf21("3","3","4","6","1","3","7","1") = "6"
    & skf21("3","3","4","6","1","4","1","1") = "5"
    & skf21("3","3","4","6","1","4","2","1") = "5"
    & skf21("3","3","4","6","1","4","3","1") = "5"
    & skf21("3","3","4","6","1","4","4","1") = "5"
    & skf21("3","3","4","6","1","4","5","1") = "5"
    & skf21("3","3","4","6","1","4","6","1") = "5"
    & skf21("3","3","4","6","1","4","7","1") = "6"
    & skf21("3","3","4","6","1","5","1","1") = "5"
    & skf21("3","3","4","6","1","5","2","1") = "5"
    & skf21("3","3","4","6","1","5","3","1") = "5"
    & skf21("3","3","4","6","1","5","4","1") = "5"
    & skf21("3","3","4","6","1","5","5","1") = "5"
    & skf21("3","3","4","6","1","5","6","1") = "5"
    & skf21("3","3","4","6","1","5","7","1") = "6"
    & skf21("3","3","4","6","1","6","1","1") = "5"
    & skf21("3","3","4","6","1","6","2","1") = "5"
    & skf21("3","3","4","6","1","6","3","1") = "5"
    & skf21("3","3","4","6","1","6","4","1") = "5"
    & skf21("3","3","4","6","1","6","5","1") = "5"
    & skf21("3","3","4","6","1","6","6","1") = "5"
    & skf21("3","3","4","6","1","6","7","1") = "6"
    & skf21("3","3","4","6","1","7","1","1") = "6"
    & skf21("3","3","4","6","1","7","2","1") = "6"
    & skf21("3","3","4","6","1","7","3","1") = "6"
    & skf21("3","3","4","6","1","7","4","1") = "6"
    & skf21("3","3","4","6","1","7","5","1") = "6"
    & skf21("3","3","4","6","1","7","6","1") = "6"
    & skf21("3","3","4","6","1","7","7","1") = "6"
    & skf21("3","3","4","6","2","1","1","1") = "5"
    & skf21("3","3","4","6","2","1","2","1") = "5"
    & skf21("3","3","4","6","2","1","3","1") = "5"
    & skf21("3","3","4","6","2","1","4","1") = "5"
    & skf21("3","3","4","6","2","1","5","1") = "5"
    & skf21("3","3","4","6","2","1","6","1") = "5"
    & skf21("3","3","4","6","2","1","7","1") = "6"
    & skf21("3","3","4","6","2","2","1","1") = "5"
    & skf21("3","3","4","6","2","2","2","1") = "5"
    & skf21("3","3","4","6","2","2","3","1") = "5"
    & skf21("3","3","4","6","2","2","4","1") = "5"
    & skf21("3","3","4","6","2","2","5","1") = "5"
    & skf21("3","3","4","6","2","2","6","1") = "5"
    & skf21("3","3","4","6","2","2","7","1") = "6"
    & skf21("3","3","4","6","2","3","1","1") = "5"
    & skf21("3","3","4","6","2","3","2","1") = "5"
    & skf21("3","3","4","6","2","3","3","1") = "5"
    & skf21("3","3","4","6","2","3","4","1") = "5"
    & skf21("3","3","4","6","2","3","5","1") = "5"
    & skf21("3","3","4","6","2","3","6","1") = "5"
    & skf21("3","3","4","6","2","3","7","1") = "6"
    & skf21("3","3","4","6","2","4","1","1") = "5"
    & skf21("3","3","4","6","2","4","2","1") = "5"
    & skf21("3","3","4","6","2","4","3","1") = "5"
    & skf21("3","3","4","6","2","4","4","1") = "5"
    & skf21("3","3","4","6","2","4","5","1") = "5"
    & skf21("3","3","4","6","2","4","6","1") = "5"
    & skf21("3","3","4","6","2","4","7","1") = "6"
    & skf21("3","3","4","6","2","5","1","1") = "5"
    & skf21("3","3","4","6","2","5","2","1") = "5"
    & skf21("3","3","4","6","2","5","3","1") = "5"
    & skf21("3","3","4","6","2","5","4","1") = "5"
    & skf21("3","3","4","6","2","5","5","1") = "5"
    & skf21("3","3","4","6","2","5","6","1") = "5"
    & skf21("3","3","4","6","2","5","7","1") = "6"
    & skf21("3","3","4","6","2","6","1","1") = "5"
    & skf21("3","3","4","6","2","6","2","1") = "5"
    & skf21("3","3","4","6","2","6","3","1") = "5"
    & skf21("3","3","4","6","2","6","4","1") = "5"
    & skf21("3","3","4","6","2","6","5","1") = "5"
    & skf21("3","3","4","6","2","6","6","1") = "5"
    & skf21("3","3","4","6","2","6","7","1") = "6"
    & skf21("3","3","4","6","2","7","1","1") = "6"
    & skf21("3","3","4","6","2","7","2","1") = "6"
    & skf21("3","3","4","6","2","7","3","1") = "6"
    & skf21("3","3","4","6","2","7","4","1") = "6"
    & skf21("3","3","4","6","2","7","5","1") = "6"
    & skf21("3","3","4","6","2","7","6","1") = "6"
    & skf21("3","3","4","6","2","7","7","1") = "6"
    & skf21("3","3","4","6","3","1","1","1") = "5"
    & skf21("3","3","4","6","3","1","2","1") = "5"
    & skf21("3","3","4","6","3","1","3","1") = "5"
    & skf21("3","3","4","6","3","1","4","1") = "5"
    & skf21("3","3","4","6","3","1","5","1") = "5"
    & skf21("3","3","4","6","3","1","6","1") = "5"
    & skf21("3","3","4","6","3","1","7","1") = "6"
    & skf21("3","3","4","6","3","2","1","1") = "5"
    & skf21("3","3","4","6","3","2","2","1") = "5"
    & skf21("3","3","4","6","3","2","3","1") = "5"
    & skf21("3","3","4","6","3","2","4","1") = "5"
    & skf21("3","3","4","6","3","2","5","1") = "5"
    & skf21("3","3","4","6","3","2","6","1") = "5"
    & skf21("3","3","4","6","3","2","7","1") = "6"
    & skf21("3","3","4","6","3","3","1","1") = "5"
    & skf21("3","3","4","6","3","3","2","1") = "5"
    & skf21("3","3","4","6","3","3","3","1") = "5"
    & skf21("3","3","4","6","3","3","4","1") = "5"
    & skf21("3","3","4","6","3","3","5","1") = "5"
    & skf21("3","3","4","6","3","3","6","1") = "5"
    & skf21("3","3","4","6","3","3","7","1") = "6"
    & skf21("3","3","4","6","3","4","1","1") = "5"
    & skf21("3","3","4","6","3","4","2","1") = "5"
    & skf21("3","3","4","6","3","4","3","1") = "5"
    & skf21("3","3","4","6","3","4","4","1") = "5"
    & skf21("3","3","4","6","3","4","5","1") = "5"
    & skf21("3","3","4","6","3","4","6","1") = "5"
    & skf21("3","3","4","6","3","4","7","1") = "6"
    & skf21("3","3","4","6","3","5","1","1") = "5"
    & skf21("3","3","4","6","3","5","2","1") = "5"
    & skf21("3","3","4","6","3","5","3","1") = "5"
    & skf21("3","3","4","6","3","5","4","1") = "5"
    & skf21("3","3","4","6","3","5","5","1") = "5"
    & skf21("3","3","4","6","3","5","6","1") = "5"
    & skf21("3","3","4","6","3","5","7","1") = "6"
    & skf21("3","3","4","6","3","6","1","1") = "5"
    & skf21("3","3","4","6","3","6","2","1") = "5"
    & skf21("3","3","4","6","3","6","3","1") = "5"
    & skf21("3","3","4","6","3","6","4","1") = "5"
    & skf21("3","3","4","6","3","6","5","1") = "5"
    & skf21("3","3","4","6","3","6","6","1") = "5"
    & skf21("3","3","4","6","3","6","7","1") = "6"
    & skf21("3","3","4","6","3","7","1","1") = "6"
    & skf21("3","3","4","6","3","7","2","1") = "6"
    & skf21("3","3","4","6","3","7","3","1") = "6"
    & skf21("3","3","4","6","3","7","4","1") = "6"
    & skf21("3","3","4","6","3","7","5","1") = "6"
    & skf21("3","3","4","6","3","7","6","1") = "6"
    & skf21("3","3","4","6","3","7","7","1") = "6"
    & skf21("3","3","4","6","4","1","1","1") = "5"
    & skf21("3","3","4","6","4","1","2","1") = "5"
    & skf21("3","3","4","6","4","1","3","1") = "5"
    & skf21("3","3","4","6","4","1","4","1") = "5"
    & skf21("3","3","4","6","4","1","5","1") = "5"
    & skf21("3","3","4","6","4","1","6","1") = "5"
    & skf21("3","3","4","6","4","1","7","1") = "6"
    & skf21("3","3","4","6","4","2","1","1") = "5"
    & skf21("3","3","4","6","4","2","2","1") = "5"
    & skf21("3","3","4","6","4","2","3","1") = "5"
    & skf21("3","3","4","6","4","2","4","1") = "5"
    & skf21("3","3","4","6","4","2","5","1") = "5"
    & skf21("3","3","4","6","4","2","6","1") = "5"
    & skf21("3","3","4","6","4","2","7","1") = "6"
    & skf21("3","3","4","6","4","3","1","1") = "5"
    & skf21("3","3","4","6","4","3","2","1") = "5"
    & skf21("3","3","4","6","4","3","3","1") = "5"
    & skf21("3","3","4","6","4","3","4","1") = "5"
    & skf21("3","3","4","6","4","3","5","1") = "5"
    & skf21("3","3","4","6","4","3","6","1") = "5"
    & skf21("3","3","4","6","4","3","7","1") = "6"
    & skf21("3","3","4","6","4","4","1","1") = "5"
    & skf21("3","3","4","6","4","4","2","1") = "5"
    & skf21("3","3","4","6","4","4","3","1") = "5"
    & skf21("3","3","4","6","4","4","4","1") = "5"
    & skf21("3","3","4","6","4","4","5","1") = "5"
    & skf21("3","3","4","6","4","4","6","1") = "5"
    & skf21("3","3","4","6","4","4","7","1") = "6"
    & skf21("3","3","4","6","4","5","1","1") = "5"
    & skf21("3","3","4","6","4","5","2","1") = "5"
    & skf21("3","3","4","6","4","5","3","1") = "5"
    & skf21("3","3","4","6","4","5","4","1") = "5"
    & skf21("3","3","4","6","4","5","5","1") = "5"
    & skf21("3","3","4","6","4","5","6","1") = "5"
    & skf21("3","3","4","6","4","5","7","1") = "6"
    & skf21("3","3","4","6","4","6","1","1") = "5"
    & skf21("3","3","4","6","4","6","2","1") = "5"
    & skf21("3","3","4","6","4","6","3","1") = "5"
    & skf21("3","3","4","6","4","6","4","1") = "5"
    & skf21("3","3","4","6","4","6","5","1") = "5"
    & skf21("3","3","4","6","4","6","6","1") = "5"
    & skf21("3","3","4","6","4","6","7","1") = "6"
    & skf21("3","3","4","6","4","7","1","1") = "6"
    & skf21("3","3","4","6","4","7","2","1") = "6"
    & skf21("3","3","4","6","4","7","3","1") = "6"
    & skf21("3","3","4","6","4","7","4","1") = "6"
    & skf21("3","3","4","6","4","7","5","1") = "6"
    & skf21("3","3","4","6","4","7","6","1") = "6"
    & skf21("3","3","4","6","4","7","7","1") = "6"
    & skf21("3","3","4","6","5","1","1","1") = "5"
    & skf21("3","3","4","6","5","1","2","1") = "5"
    & skf21("3","3","4","6","5","1","3","1") = "5"
    & skf21("3","3","4","6","5","1","4","1") = "5"
    & skf21("3","3","4","6","5","1","5","1") = "5"
    & skf21("3","3","4","6","5","1","6","1") = "5"
    & skf21("3","3","4","6","5","1","7","1") = "6"
    & skf21("3","3","4","6","5","2","1","1") = "5"
    & skf21("3","3","4","6","5","2","2","1") = "5"
    & skf21("3","3","4","6","5","2","3","1") = "5"
    & skf21("3","3","4","6","5","2","4","1") = "5"
    & skf21("3","3","4","6","5","2","5","1") = "5"
    & skf21("3","3","4","6","5","2","6","1") = "5"
    & skf21("3","3","4","6","5","2","7","1") = "6"
    & skf21("3","3","4","6","5","3","1","1") = "5"
    & skf21("3","3","4","6","5","3","2","1") = "5"
    & skf21("3","3","4","6","5","3","3","1") = "5"
    & skf21("3","3","4","6","5","3","4","1") = "5"
    & skf21("3","3","4","6","5","3","5","1") = "5"
    & skf21("3","3","4","6","5","3","6","1") = "5"
    & skf21("3","3","4","6","5","3","7","1") = "6"
    & skf21("3","3","4","6","5","4","1","1") = "5"
    & skf21("3","3","4","6","5","4","2","1") = "5"
    & skf21("3","3","4","6","5","4","3","1") = "5"
    & skf21("3","3","4","6","5","4","4","1") = "5"
    & skf21("3","3","4","6","5","4","5","1") = "5"
    & skf21("3","3","4","6","5","4","6","1") = "5"
    & skf21("3","3","4","6","5","4","7","1") = "6"
    & skf21("3","3","4","6","5","5","1","1") = "5"
    & skf21("3","3","4","6","5","5","2","1") = "5"
    & skf21("3","3","4","6","5","5","3","1") = "5"
    & skf21("3","3","4","6","5","5","4","1") = "5"
    & skf21("3","3","4","6","5","5","5","1") = "5"
    & skf21("3","3","4","6","5","5","6","1") = "5"
    & skf21("3","3","4","6","5","5","7","1") = "6"
    & skf21("3","3","4","6","5","6","1","1") = "5"
    & skf21("3","3","4","6","5","6","2","1") = "5"
    & skf21("3","3","4","6","5","6","3","1") = "5"
    & skf21("3","3","4","6","5","6","4","1") = "5"
    & skf21("3","3","4","6","5","6","5","1") = "5"
    & skf21("3","3","4","6","5","6","6","1") = "5"
    & skf21("3","3","4","6","5","6","7","1") = "6"
    & skf21("3","3","4","6","5","7","1","1") = "6"
    & skf21("3","3","4","6","5","7","2","1") = "6"
    & skf21("3","3","4","6","5","7","3","1") = "6"
    & skf21("3","3","4","6","5","7","4","1") = "6"
    & skf21("3","3","4","6","5","7","5","1") = "6"
    & skf21("3","3","4","6","5","7","6","1") = "6"
    & skf21("3","3","4","6","5","7","7","1") = "6"
    & skf21("3","3","4","6","6","1","1","1") = "5"
    & skf21("3","3","4","6","6","1","2","1") = "5"
    & skf21("3","3","4","6","6","1","3","1") = "5"
    & skf21("3","3","4","6","6","1","4","1") = "5"
    & skf21("3","3","4","6","6","1","5","1") = "5"
    & skf21("3","3","4","6","6","1","6","1") = "5"
    & skf21("3","3","4","6","6","1","7","1") = "6"
    & skf21("3","3","4","6","6","2","1","1") = "5"
    & skf21("3","3","4","6","6","2","2","1") = "5"
    & skf21("3","3","4","6","6","2","3","1") = "5"
    & skf21("3","3","4","6","6","2","4","1") = "5"
    & skf21("3","3","4","6","6","2","5","1") = "5"
    & skf21("3","3","4","6","6","2","6","1") = "5"
    & skf21("3","3","4","6","6","2","7","1") = "6"
    & skf21("3","3","4","6","6","3","1","1") = "5"
    & skf21("3","3","4","6","6","3","2","1") = "5"
    & skf21("3","3","4","6","6","3","3","1") = "5"
    & skf21("3","3","4","6","6","3","4","1") = "5"
    & skf21("3","3","4","6","6","3","5","1") = "5"
    & skf21("3","3","4","6","6","3","6","1") = "5"
    & skf21("3","3","4","6","6","3","7","1") = "6"
    & skf21("3","3","4","6","6","4","1","1") = "5"
    & skf21("3","3","4","6","6","4","2","1") = "5"
    & skf21("3","3","4","6","6","4","3","1") = "5"
    & skf21("3","3","4","6","6","4","4","1") = "5"
    & skf21("3","3","4","6","6","4","5","1") = "5"
    & skf21("3","3","4","6","6","4","6","1") = "5"
    & skf21("3","3","4","6","6","4","7","1") = "6"
    & skf21("3","3","4","6","6","5","1","1") = "5"
    & skf21("3","3","4","6","6","5","2","1") = "5"
    & skf21("3","3","4","6","6","5","3","1") = "5"
    & skf21("3","3","4","6","6","5","4","1") = "5"
    & skf21("3","3","4","6","6","5","5","1") = "5"
    & skf21("3","3","4","6","6","5","6","1") = "5"
    & skf21("3","3","4","6","6","5","7","1") = "6"
    & skf21("3","3","4","6","6","6","1","1") = "5"
    & skf21("3","3","4","6","6","6","2","1") = "5"
    & skf21("3","3","4","6","6","6","3","1") = "5"
    & skf21("3","3","4","6","6","6","4","1") = "5"
    & skf21("3","3","4","6","6","6","5","1") = "5"
    & skf21("3","3","4","6","6","6","6","1") = "5"
    & skf21("3","3","4","6","6","6","7","1") = "6"
    & skf21("3","3","4","6","6","7","1","1") = "6"
    & skf21("3","3","4","6","6","7","2","1") = "6"
    & skf21("3","3","4","6","6","7","3","1") = "6"
    & skf21("3","3","4","6","6","7","4","1") = "6"
    & skf21("3","3","4","6","6","7","5","1") = "6"
    & skf21("3","3","4","6","6","7","6","1") = "6"
    & skf21("3","3","4","6","6","7","7","1") = "6"
    & skf21("3","3","4","6","7","1","1","1") = "6"
    & skf21("3","3","4","6","7","1","2","1") = "6"
    & skf21("3","3","4","6","7","1","3","1") = "6"
    & skf21("3","3","4","6","7","1","4","1") = "6"
    & skf21("3","3","4","6","7","1","5","1") = "6"
    & skf21("3","3","4","6","7","1","6","1") = "6"
    & skf21("3","3","4","6","7","1","7","1") = "6"
    & skf21("3","3","4","6","7","2","1","1") = "6"
    & skf21("3","3","4","6","7","2","2","1") = "6"
    & skf21("3","3","4","6","7","2","3","1") = "6"
    & skf21("3","3","4","6","7","2","4","1") = "6"
    & skf21("3","3","4","6","7","2","5","1") = "6"
    & skf21("3","3","4","6","7","2","6","1") = "6"
    & skf21("3","3","4","6","7","2","7","1") = "6"
    & skf21("3","3","4","6","7","3","1","1") = "6"
    & skf21("3","3","4","6","7","3","2","1") = "6"
    & skf21("3","3","4","6","7","3","3","1") = "6"
    & skf21("3","3","4","6","7","3","4","1") = "6"
    & skf21("3","3","4","6","7","3","5","1") = "6"
    & skf21("3","3","4","6","7","3","6","1") = "6"
    & skf21("3","3","4","6","7","3","7","1") = "6"
    & skf21("3","3","4","6","7","4","1","1") = "6"
    & skf21("3","3","4","6","7","4","2","1") = "6"
    & skf21("3","3","4","6","7","4","3","1") = "6"
    & skf21("3","3","4","6","7","4","4","1") = "6"
    & skf21("3","3","4","6","7","4","5","1") = "6"
    & skf21("3","3","4","6","7","4","6","1") = "6"
    & skf21("3","3","4","6","7","4","7","1") = "6"
    & skf21("3","3","4","6","7","5","1","1") = "6"
    & skf21("3","3","4","6","7","5","2","1") = "6"
    & skf21("3","3","4","6","7","5","3","1") = "6"
    & skf21("3","3","4","6","7","5","4","1") = "6"
    & skf21("3","3","4","6","7","5","5","1") = "6"
    & skf21("3","3","4","6","7","5","6","1") = "6"
    & skf21("3","3","4","6","7","5","7","1") = "6"
    & skf21("3","3","4","6","7","6","1","1") = "6"
    & skf21("3","3","4","6","7","6","2","1") = "6"
    & skf21("3","3","4","6","7","6","3","1") = "6"
    & skf21("3","3","4","6","7","6","4","1") = "6"
    & skf21("3","3","4","6","7","6","5","1") = "6"
    & skf21("3","3","4","6","7","6","6","1") = "6"
    & skf21("3","3","4","6","7","6","7","1") = "6"
    & skf21("3","3","4","6","7","7","1","1") = "6"
    & skf21("3","3","4","6","7","7","2","1") = "6"
    & skf21("3","3","4","6","7","7","3","1") = "6"
    & skf21("3","3","4","6","7","7","4","1") = "6"
    & skf21("3","3","4","6","7","7","5","1") = "6"
    & skf21("3","3","4","6","7","7","6","1") = "6"
    & skf21("3","3","4","6","7","7","7","1") = "6"
    & skf21("3","3","4","7","1","1","1","1") = "6"
    & skf21("3","3","4","7","1","1","2","1") = "6"
    & skf21("3","3","4","7","1","1","3","1") = "6"
    & skf21("3","3","4","7","1","1","4","1") = "6"
    & skf21("3","3","4","7","1","1","5","1") = "6"
    & skf21("3","3","4","7","1","1","6","1") = "6"
    & skf21("3","3","4","7","1","1","7","1") = "6"
    & skf21("3","3","4","7","1","2","1","1") = "6"
    & skf21("3","3","4","7","1","2","2","1") = "6"
    & skf21("3","3","4","7","1","2","3","1") = "6"
    & skf21("3","3","4","7","1","2","4","1") = "6"
    & skf21("3","3","4","7","1","2","5","1") = "6"
    & skf21("3","3","4","7","1","2","6","1") = "6"
    & skf21("3","3","4","7","1","2","7","1") = "6"
    & skf21("3","3","4","7","1","3","1","1") = "6"
    & skf21("3","3","4","7","1","3","2","1") = "6"
    & skf21("3","3","4","7","1","3","3","1") = "6"
    & skf21("3","3","4","7","1","3","4","1") = "6"
    & skf21("3","3","4","7","1","3","5","1") = "6"
    & skf21("3","3","4","7","1","3","6","1") = "6"
    & skf21("3","3","4","7","1","3","7","1") = "6"
    & skf21("3","3","4","7","1","4","1","1") = "6"
    & skf21("3","3","4","7","1","4","2","1") = "6"
    & skf21("3","3","4","7","1","4","3","1") = "6"
    & skf21("3","3","4","7","1","4","4","1") = "6"
    & skf21("3","3","4","7","1","4","5","1") = "6"
    & skf21("3","3","4","7","1","4","6","1") = "6"
    & skf21("3","3","4","7","1","4","7","1") = "6"
    & skf21("3","3","4","7","1","5","1","1") = "6"
    & skf21("3","3","4","7","1","5","2","1") = "6"
    & skf21("3","3","4","7","1","5","3","1") = "6"
    & skf21("3","3","4","7","1","5","4","1") = "6"
    & skf21("3","3","4","7","1","5","5","1") = "6"
    & skf21("3","3","4","7","1","5","6","1") = "6"
    & skf21("3","3","4","7","1","5","7","1") = "6"
    & skf21("3","3","4","7","1","6","1","1") = "6"
    & skf21("3","3","4","7","1","6","2","1") = "6"
    & skf21("3","3","4","7","1","6","3","1") = "6"
    & skf21("3","3","4","7","1","6","4","1") = "6"
    & skf21("3","3","4","7","1","6","5","1") = "6"
    & skf21("3","3","4","7","1","6","6","1") = "6"
    & skf21("3","3","4","7","1","6","7","1") = "6"
    & skf21("3","3","4","7","1","7","1","1") = "6"
    & skf21("3","3","4","7","1","7","2","1") = "6"
    & skf21("3","3","4","7","1","7","3","1") = "6"
    & skf21("3","3","4","7","1","7","4","1") = "6"
    & skf21("3","3","4","7","1","7","5","1") = "6"
    & skf21("3","3","4","7","1","7","6","1") = "6"
    & skf21("3","3","4","7","1","7","7","1") = "6"
    & skf21("3","3","4","7","2","1","1","1") = "6"
    & skf21("3","3","4","7","2","1","2","1") = "6"
    & skf21("3","3","4","7","2","1","3","1") = "6"
    & skf21("3","3","4","7","2","1","4","1") = "6"
    & skf21("3","3","4","7","2","1","5","1") = "6"
    & skf21("3","3","4","7","2","1","6","1") = "6"
    & skf21("3","3","4","7","2","1","7","1") = "6"
    & skf21("3","3","4","7","2","2","1","1") = "6"
    & skf21("3","3","4","7","2","2","2","1") = "6"
    & skf21("3","3","4","7","2","2","3","1") = "6"
    & skf21("3","3","4","7","2","2","4","1") = "6"
    & skf21("3","3","4","7","2","2","5","1") = "6"
    & skf21("3","3","4","7","2","2","6","1") = "6"
    & skf21("3","3","4","7","2","2","7","1") = "6"
    & skf21("3","3","4","7","2","3","1","1") = "6"
    & skf21("3","3","4","7","2","3","2","1") = "6"
    & skf21("3","3","4","7","2","3","3","1") = "6"
    & skf21("3","3","4","7","2","3","4","1") = "6"
    & skf21("3","3","4","7","2","3","5","1") = "6"
    & skf21("3","3","4","7","2","3","6","1") = "6"
    & skf21("3","3","4","7","2","3","7","1") = "6"
    & skf21("3","3","4","7","2","4","1","1") = "6"
    & skf21("3","3","4","7","2","4","2","1") = "6"
    & skf21("3","3","4","7","2","4","3","1") = "6"
    & skf21("3","3","4","7","2","4","4","1") = "6"
    & skf21("3","3","4","7","2","4","5","1") = "6"
    & skf21("3","3","4","7","2","4","6","1") = "6"
    & skf21("3","3","4","7","2","4","7","1") = "6"
    & skf21("3","3","4","7","2","5","1","1") = "6"
    & skf21("3","3","4","7","2","5","2","1") = "6"
    & skf21("3","3","4","7","2","5","3","1") = "6"
    & skf21("3","3","4","7","2","5","4","1") = "6"
    & skf21("3","3","4","7","2","5","5","1") = "6"
    & skf21("3","3","4","7","2","5","6","1") = "6"
    & skf21("3","3","4","7","2","5","7","1") = "6"
    & skf21("3","3","4","7","2","6","1","1") = "6"
    & skf21("3","3","4","7","2","6","2","1") = "6"
    & skf21("3","3","4","7","2","6","3","1") = "6"
    & skf21("3","3","4","7","2","6","4","1") = "6"
    & skf21("3","3","4","7","2","6","5","1") = "6"
    & skf21("3","3","4","7","2","6","6","1") = "6"
    & skf21("3","3","4","7","2","6","7","1") = "6"
    & skf21("3","3","4","7","2","7","1","1") = "6"
    & skf21("3","3","4","7","2","7","2","1") = "6"
    & skf21("3","3","4","7","2","7","3","1") = "6"
    & skf21("3","3","4","7","2","7","4","1") = "6"
    & skf21("3","3","4","7","2","7","5","1") = "6"
    & skf21("3","3","4","7","2","7","6","1") = "6"
    & skf21("3","3","4","7","2","7","7","1") = "6"
    & skf21("3","3","4","7","3","1","1","1") = "6"
    & skf21("3","3","4","7","3","1","2","1") = "6"
    & skf21("3","3","4","7","3","1","3","1") = "6"
    & skf21("3","3","4","7","3","1","4","1") = "6"
    & skf21("3","3","4","7","3","1","5","1") = "6"
    & skf21("3","3","4","7","3","1","6","1") = "6"
    & skf21("3","3","4","7","3","1","7","1") = "6"
    & skf21("3","3","4","7","3","2","1","1") = "6"
    & skf21("3","3","4","7","3","2","2","1") = "6"
    & skf21("3","3","4","7","3","2","3","1") = "6"
    & skf21("3","3","4","7","3","2","4","1") = "6"
    & skf21("3","3","4","7","3","2","5","1") = "6"
    & skf21("3","3","4","7","3","2","6","1") = "6"
    & skf21("3","3","4","7","3","2","7","1") = "6"
    & skf21("3","3","4","7","3","3","1","1") = "6"
    & skf21("3","3","4","7","3","3","2","1") = "6"
    & skf21("3","3","4","7","3","3","3","1") = "6"
    & skf21("3","3","4","7","3","3","4","1") = "6"
    & skf21("3","3","4","7","3","3","5","1") = "6"
    & skf21("3","3","4","7","3","3","6","1") = "6"
    & skf21("3","3","4","7","3","3","7","1") = "6"
    & skf21("3","3","4","7","3","4","1","1") = "6"
    & skf21("3","3","4","7","3","4","2","1") = "6"
    & skf21("3","3","4","7","3","4","3","1") = "6"
    & skf21("3","3","4","7","3","4","4","1") = "6"
    & skf21("3","3","4","7","3","4","5","1") = "6"
    & skf21("3","3","4","7","3","4","6","1") = "6"
    & skf21("3","3","4","7","3","4","7","1") = "6"
    & skf21("3","3","4","7","3","5","1","1") = "6"
    & skf21("3","3","4","7","3","5","2","1") = "6"
    & skf21("3","3","4","7","3","5","3","1") = "6"
    & skf21("3","3","4","7","3","5","4","1") = "6"
    & skf21("3","3","4","7","3","5","5","1") = "6"
    & skf21("3","3","4","7","3","5","6","1") = "6"
    & skf21("3","3","4","7","3","5","7","1") = "6"
    & skf21("3","3","4","7","3","6","1","1") = "6"
    & skf21("3","3","4","7","3","6","2","1") = "6"
    & skf21("3","3","4","7","3","6","3","1") = "6"
    & skf21("3","3","4","7","3","6","4","1") = "6"
    & skf21("3","3","4","7","3","6","5","1") = "6"
    & skf21("3","3","4","7","3","6","6","1") = "6"
    & skf21("3","3","4","7","3","6","7","1") = "6"
    & skf21("3","3","4","7","3","7","1","1") = "6"
    & skf21("3","3","4","7","3","7","2","1") = "6"
    & skf21("3","3","4","7","3","7","3","1") = "6"
    & skf21("3","3","4","7","3","7","4","1") = "6"
    & skf21("3","3","4","7","3","7","5","1") = "6"
    & skf21("3","3","4","7","3","7","6","1") = "6"
    & skf21("3","3","4","7","3","7","7","1") = "6"
    & skf21("3","3","4","7","4","1","1","1") = "6"
    & skf21("3","3","4","7","4","1","2","1") = "6"
    & skf21("3","3","4","7","4","1","3","1") = "6"
    & skf21("3","3","4","7","4","1","4","1") = "6"
    & skf21("3","3","4","7","4","1","5","1") = "6"
    & skf21("3","3","4","7","4","1","6","1") = "6"
    & skf21("3","3","4","7","4","1","7","1") = "6"
    & skf21("3","3","4","7","4","2","1","1") = "6"
    & skf21("3","3","4","7","4","2","2","1") = "6"
    & skf21("3","3","4","7","4","2","3","1") = "6"
    & skf21("3","3","4","7","4","2","4","1") = "6"
    & skf21("3","3","4","7","4","2","5","1") = "6"
    & skf21("3","3","4","7","4","2","6","1") = "6"
    & skf21("3","3","4","7","4","2","7","1") = "6"
    & skf21("3","3","4","7","4","3","1","1") = "6"
    & skf21("3","3","4","7","4","3","2","1") = "6"
    & skf21("3","3","4","7","4","3","3","1") = "6"
    & skf21("3","3","4","7","4","3","4","1") = "6"
    & skf21("3","3","4","7","4","3","5","1") = "6"
    & skf21("3","3","4","7","4","3","6","1") = "6"
    & skf21("3","3","4","7","4","3","7","1") = "6"
    & skf21("3","3","4","7","4","4","1","1") = "6"
    & skf21("3","3","4","7","4","4","2","1") = "6"
    & skf21("3","3","4","7","4","4","3","1") = "6"
    & skf21("3","3","4","7","4","4","4","1") = "6"
    & skf21("3","3","4","7","4","4","5","1") = "6"
    & skf21("3","3","4","7","4","4","6","1") = "6"
    & skf21("3","3","4","7","4","4","7","1") = "6"
    & skf21("3","3","4","7","4","5","1","1") = "6"
    & skf21("3","3","4","7","4","5","2","1") = "6"
    & skf21("3","3","4","7","4","5","3","1") = "6"
    & skf21("3","3","4","7","4","5","4","1") = "6"
    & skf21("3","3","4","7","4","5","5","1") = "6"
    & skf21("3","3","4","7","4","5","6","1") = "6"
    & skf21("3","3","4","7","4","5","7","1") = "6"
    & skf21("3","3","4","7","4","6","1","1") = "6"
    & skf21("3","3","4","7","4","6","2","1") = "6"
    & skf21("3","3","4","7","4","6","3","1") = "6"
    & skf21("3","3","4","7","4","6","4","1") = "6"
    & skf21("3","3","4","7","4","6","5","1") = "6"
    & skf21("3","3","4","7","4","6","6","1") = "6"
    & skf21("3","3","4","7","4","6","7","1") = "6"
    & skf21("3","3","4","7","4","7","1","1") = "6"
    & skf21("3","3","4","7","4","7","2","1") = "6"
    & skf21("3","3","4","7","4","7","3","1") = "6"
    & skf21("3","3","4","7","4","7","4","1") = "6"
    & skf21("3","3","4","7","4","7","5","1") = "6"
    & skf21("3","3","4","7","4","7","6","1") = "6"
    & skf21("3","3","4","7","4","7","7","1") = "6"
    & skf21("3","3","4","7","5","1","1","1") = "6"
    & skf21("3","3","4","7","5","1","2","1") = "6"
    & skf21("3","3","4","7","5","1","3","1") = "6"
    & skf21("3","3","4","7","5","1","4","1") = "6"
    & skf21("3","3","4","7","5","1","5","1") = "6"
    & skf21("3","3","4","7","5","1","6","1") = "6"
    & skf21("3","3","4","7","5","1","7","1") = "6"
    & skf21("3","3","4","7","5","2","1","1") = "6"
    & skf21("3","3","4","7","5","2","2","1") = "6"
    & skf21("3","3","4","7","5","2","3","1") = "6"
    & skf21("3","3","4","7","5","2","4","1") = "6"
    & skf21("3","3","4","7","5","2","5","1") = "6"
    & skf21("3","3","4","7","5","2","6","1") = "6"
    & skf21("3","3","4","7","5","2","7","1") = "6"
    & skf21("3","3","4","7","5","3","1","1") = "6"
    & skf21("3","3","4","7","5","3","2","1") = "6"
    & skf21("3","3","4","7","5","3","3","1") = "6"
    & skf21("3","3","4","7","5","3","4","1") = "6"
    & skf21("3","3","4","7","5","3","5","1") = "6"
    & skf21("3","3","4","7","5","3","6","1") = "6"
    & skf21("3","3","4","7","5","3","7","1") = "6"
    & skf21("3","3","4","7","5","4","1","1") = "6"
    & skf21("3","3","4","7","5","4","2","1") = "6"
    & skf21("3","3","4","7","5","4","3","1") = "6"
    & skf21("3","3","4","7","5","4","4","1") = "6"
    & skf21("3","3","4","7","5","4","5","1") = "6"
    & skf21("3","3","4","7","5","4","6","1") = "6"
    & skf21("3","3","4","7","5","4","7","1") = "6"
    & skf21("3","3","4","7","5","5","1","1") = "6"
    & skf21("3","3","4","7","5","5","2","1") = "6"
    & skf21("3","3","4","7","5","5","3","1") = "6"
    & skf21("3","3","4","7","5","5","4","1") = "6"
    & skf21("3","3","4","7","5","5","5","1") = "6"
    & skf21("3","3","4","7","5","5","6","1") = "6"
    & skf21("3","3","4","7","5","5","7","1") = "6"
    & skf21("3","3","4","7","5","6","1","1") = "6"
    & skf21("3","3","4","7","5","6","2","1") = "6"
    & skf21("3","3","4","7","5","6","3","1") = "6"
    & skf21("3","3","4","7","5","6","4","1") = "6"
    & skf21("3","3","4","7","5","6","5","1") = "6"
    & skf21("3","3","4","7","5","6","6","1") = "6"
    & skf21("3","3","4","7","5","6","7","1") = "6"
    & skf21("3","3","4","7","5","7","1","1") = "6"
    & skf21("3","3","4","7","5","7","2","1") = "6"
    & skf21("3","3","4","7","5","7","3","1") = "6"
    & skf21("3","3","4","7","5","7","4","1") = "6"
    & skf21("3","3","4","7","5","7","5","1") = "6"
    & skf21("3","3","4","7","5","7","6","1") = "6"
    & skf21("3","3","4","7","5","7","7","1") = "6"
    & skf21("3","3","4","7","6","1","1","1") = "6"
    & skf21("3","3","4","7","6","1","2","1") = "6"
    & skf21("3","3","4","7","6","1","3","1") = "6"
    & skf21("3","3","4","7","6","1","4","1") = "6"
    & skf21("3","3","4","7","6","1","5","1") = "6"
    & skf21("3","3","4","7","6","1","6","1") = "6"
    & skf21("3","3","4","7","6","1","7","1") = "6"
    & skf21("3","3","4","7","6","2","1","1") = "6"
    & skf21("3","3","4","7","6","2","2","1") = "6"
    & skf21("3","3","4","7","6","2","3","1") = "6"
    & skf21("3","3","4","7","6","2","4","1") = "6"
    & skf21("3","3","4","7","6","2","5","1") = "6"
    & skf21("3","3","4","7","6","2","6","1") = "6"
    & skf21("3","3","4","7","6","2","7","1") = "6"
    & skf21("3","3","4","7","6","3","1","1") = "6"
    & skf21("3","3","4","7","6","3","2","1") = "6"
    & skf21("3","3","4","7","6","3","3","1") = "6"
    & skf21("3","3","4","7","6","3","4","1") = "6"
    & skf21("3","3","4","7","6","3","5","1") = "6"
    & skf21("3","3","4","7","6","3","6","1") = "6"
    & skf21("3","3","4","7","6","3","7","1") = "6"
    & skf21("3","3","4","7","6","4","1","1") = "6"
    & skf21("3","3","4","7","6","4","2","1") = "6"
    & skf21("3","3","4","7","6","4","3","1") = "6"
    & skf21("3","3","4","7","6","4","4","1") = "6"
    & skf21("3","3","4","7","6","4","5","1") = "6"
    & skf21("3","3","4","7","6","4","6","1") = "6"
    & skf21("3","3","4","7","6","4","7","1") = "6"
    & skf21("3","3","4","7","6","5","1","1") = "6"
    & skf21("3","3","4","7","6","5","2","1") = "6"
    & skf21("3","3","4","7","6","5","3","1") = "6"
    & skf21("3","3","4","7","6","5","4","1") = "6"
    & skf21("3","3","4","7","6","5","5","1") = "6"
    & skf21("3","3","4","7","6","5","6","1") = "6"
    & skf21("3","3","4","7","6","5","7","1") = "6"
    & skf21("3","3","4","7","6","6","1","1") = "6"
    & skf21("3","3","4","7","6","6","2","1") = "6"
    & skf21("3","3","4","7","6","6","3","1") = "6"
    & skf21("3","3","4","7","6","6","4","1") = "6"
    & skf21("3","3","4","7","6","6","5","1") = "6"
    & skf21("3","3","4","7","6","6","6","1") = "6"
    & skf21("3","3","4","7","6","6","7","1") = "6"
    & skf21("3","3","4","7","6","7","1","1") = "6"
    & skf21("3","3","4","7","6","7","2","1") = "6"
    & skf21("3","3","4","7","6","7","3","1") = "6"
    & skf21("3","3","4","7","6","7","4","1") = "6"
    & skf21("3","3","4","7","6","7","5","1") = "6"
    & skf21("3","3","4","7","6","7","6","1") = "6"
    & skf21("3","3","4","7","6","7","7","1") = "6"
    & skf21("3","3","4","7","7","1","1","1") = "6"
    & skf21("3","3","4","7","7","1","2","1") = "6"
    & skf21("3","3","4","7","7","1","3","1") = "6"
    & skf21("3","3","4","7","7","1","4","1") = "6"
    & skf21("3","3","4","7","7","1","5","1") = "6"
    & skf21("3","3","4","7","7","1","6","1") = "6"
    & skf21("3","3","4","7","7","1","7","1") = "6"
    & skf21("3","3","4","7","7","2","1","1") = "6"
    & skf21("3","3","4","7","7","2","2","1") = "6"
    & skf21("3","3","4","7","7","2","3","1") = "6"
    & skf21("3","3","4","7","7","2","4","1") = "6"
    & skf21("3","3","4","7","7","2","5","1") = "6"
    & skf21("3","3","4","7","7","2","6","1") = "6"
    & skf21("3","3","4","7","7","2","7","1") = "6"
    & skf21("3","3","4","7","7","3","1","1") = "6"
    & skf21("3","3","4","7","7","3","2","1") = "6"
    & skf21("3","3","4","7","7","3","3","1") = "6"
    & skf21("3","3","4","7","7","3","4","1") = "6"
    & skf21("3","3","4","7","7","3","5","1") = "6"
    & skf21("3","3","4","7","7","3","6","1") = "6"
    & skf21("3","3","4","7","7","3","7","1") = "6"
    & skf21("3","3","4","7","7","4","1","1") = "6"
    & skf21("3","3","4","7","7","4","2","1") = "6"
    & skf21("3","3","4","7","7","4","3","1") = "6"
    & skf21("3","3","4","7","7","4","4","1") = "6"
    & skf21("3","3","4","7","7","4","5","1") = "6"
    & skf21("3","3","4","7","7","4","6","1") = "6"
    & skf21("3","3","4","7","7","4","7","1") = "6"
    & skf21("3","3","4","7","7","5","1","1") = "6"
    & skf21("3","3","4","7","7","5","2","1") = "6"
    & skf21("3","3","4","7","7","5","3","1") = "6"
    & skf21("3","3","4","7","7","5","4","1") = "6"
    & skf21("3","3","4","7","7","5","5","1") = "6"
    & skf21("3","3","4","7","7","5","6","1") = "6"
    & skf21("3","3","4","7","7","5","7","1") = "6"
    & skf21("3","3","4","7","7","6","1","1") = "6"
    & skf21("3","3","4","7","7","6","2","1") = "6"
    & skf21("3","3","4","7","7","6","3","1") = "6"
    & skf21("3","3","4","7","7","6","4","1") = "6"
    & skf21("3","3","4","7","7","6","5","1") = "6"
    & skf21("3","3","4","7","7","6","6","1") = "6"
    & skf21("3","3","4","7","7","6","7","1") = "6"
    & skf21("3","3","4","7","7","7","1","1") = "6"
    & skf21("3","3","4","7","7","7","2","1") = "6"
    & skf21("3","3","4","7","7","7","3","1") = "6"
    & skf21("3","3","4","7","7","7","4","1") = "6"
    & skf21("3","3","4","7","7","7","5","1") = "6"
    & skf21("3","3","4","7","7","7","6","1") = "6"
    & skf21("3","3","4","7","7","7","7","1") = "6"
    & skf21("3","3","5","1","1","1","1","1") = "4"
    & skf21("3","3","5","1","1","1","2","1") = "4"
    & skf21("3","3","5","1","1","1","3","1") = "4"
    & skf21("3","3","5","1","1","1","4","1") = "4"
    & skf21("3","3","5","1","1","1","5","1") = "4"
    & skf21("3","3","5","1","1","1","6","1") = "5"
    & skf21("3","3","5","1","1","1","7","1") = "6"
    & skf21("3","3","5","1","1","2","1","1") = "4"
    & skf21("3","3","5","1","1","2","2","1") = "4"
    & skf21("3","3","5","1","1","2","3","1") = "4"
    & skf21("3","3","5","1","1","2","4","1") = "4"
    & skf21("3","3","5","1","1","2","5","1") = "4"
    & skf21("3","3","5","1","1","2","6","1") = "5"
    & skf21("3","3","5","1","1","2","7","1") = "6"
    & skf21("3","3","5","1","1","3","1","1") = "4"
    & skf21("3","3","5","1","1","3","2","1") = "4"
    & skf21("3","3","5","1","1","3","3","1") = "4"
    & skf21("3","3","5","1","1","3","4","1") = "4"
    & skf21("3","3","5","1","1","3","5","1") = "4"
    & skf21("3","3","5","1","1","3","6","1") = "5"
    & skf21("3","3","5","1","1","3","7","1") = "6"
    & skf21("3","3","5","1","1","4","1","1") = "4"
    & skf21("3","3","5","1","1","4","2","1") = "4"
    & skf21("3","3","5","1","1","4","3","1") = "4"
    & skf21("3","3","5","1","1","4","4","1") = "4"
    & skf21("3","3","5","1","1","4","5","1") = "4"
    & skf21("3","3","5","1","1","4","6","1") = "5"
    & skf21("3","3","5","1","1","4","7","1") = "6"
    & skf21("3","3","5","1","1","5","1","1") = "4"
    & skf21("3","3","5","1","1","5","2","1") = "4"
    & skf21("3","3","5","1","1","5","3","1") = "4"
    & skf21("3","3","5","1","1","5","4","1") = "4"
    & skf21("3","3","5","1","1","5","5","1") = "4"
    & skf21("3","3","5","1","1","5","6","1") = "5"
    & skf21("3","3","5","1","1","5","7","1") = "6"
    & skf21("3","3","5","1","1","6","1","1") = "5"
    & skf21("3","3","5","1","1","6","2","1") = "5"
    & skf21("3","3","5","1","1","6","3","1") = "5"
    & skf21("3","3","5","1","1","6","4","1") = "5"
    & skf21("3","3","5","1","1","6","5","1") = "5"
    & skf21("3","3","5","1","1","6","6","1") = "5"
    & skf21("3","3","5","1","1","6","7","1") = "6"
    & skf21("3","3","5","1","1","7","1","1") = "6"
    & skf21("3","3","5","1","1","7","2","1") = "6"
    & skf21("3","3","5","1","1","7","3","1") = "6"
    & skf21("3","3","5","1","1","7","4","1") = "6"
    & skf21("3","3","5","1","1","7","5","1") = "6"
    & skf21("3","3","5","1","1","7","6","1") = "6"
    & skf21("3","3","5","1","1","7","7","1") = "6"
    & skf21("3","3","5","1","2","1","1","1") = "4"
    & skf21("3","3","5","1","2","1","2","1") = "4"
    & skf21("3","3","5","1","2","1","3","1") = "4"
    & skf21("3","3","5","1","2","1","4","1") = "4"
    & skf21("3","3","5","1","2","1","5","1") = "4"
    & skf21("3","3","5","1","2","1","6","1") = "5"
    & skf21("3","3","5","1","2","1","7","1") = "6"
    & skf21("3","3","5","1","2","2","1","1") = "4"
    & skf21("3","3","5","1","2","2","2","1") = "4"
    & skf21("3","3","5","1","2","2","3","1") = "4"
    & skf21("3","3","5","1","2","2","4","1") = "4"
    & skf21("3","3","5","1","2","2","5","1") = "4"
    & skf21("3","3","5","1","2","2","6","1") = "5"
    & skf21("3","3","5","1","2","2","7","1") = "6"
    & skf21("3","3","5","1","2","3","1","1") = "4"
    & skf21("3","3","5","1","2","3","2","1") = "4"
    & skf21("3","3","5","1","2","3","3","1") = "4"
    & skf21("3","3","5","1","2","3","4","1") = "4"
    & skf21("3","3","5","1","2","3","5","1") = "4"
    & skf21("3","3","5","1","2","3","6","1") = "5"
    & skf21("3","3","5","1","2","3","7","1") = "6"
    & skf21("3","3","5","1","2","4","1","1") = "4"
    & skf21("3","3","5","1","2","4","2","1") = "4"
    & skf21("3","3","5","1","2","4","3","1") = "4"
    & skf21("3","3","5","1","2","4","4","1") = "4"
    & skf21("3","3","5","1","2","4","5","1") = "4"
    & skf21("3","3","5","1","2","4","6","1") = "5"
    & skf21("3","3","5","1","2","4","7","1") = "6"
    & skf21("3","3","5","1","2","5","1","1") = "4"
    & skf21("3","3","5","1","2","5","2","1") = "4"
    & skf21("3","3","5","1","2","5","3","1") = "4"
    & skf21("3","3","5","1","2","5","4","1") = "4"
    & skf21("3","3","5","1","2","5","5","1") = "4"
    & skf21("3","3","5","1","2","5","6","1") = "5"
    & skf21("3","3","5","1","2","5","7","1") = "6"
    & skf21("3","3","5","1","2","6","1","1") = "5"
    & skf21("3","3","5","1","2","6","2","1") = "5"
    & skf21("3","3","5","1","2","6","3","1") = "5"
    & skf21("3","3","5","1","2","6","4","1") = "5"
    & skf21("3","3","5","1","2","6","5","1") = "5"
    & skf21("3","3","5","1","2","6","6","1") = "5"
    & skf21("3","3","5","1","2","6","7","1") = "6"
    & skf21("3","3","5","1","2","7","1","1") = "6"
    & skf21("3","3","5","1","2","7","2","1") = "6"
    & skf21("3","3","5","1","2","7","3","1") = "6"
    & skf21("3","3","5","1","2","7","4","1") = "6"
    & skf21("3","3","5","1","2","7","5","1") = "6"
    & skf21("3","3","5","1","2","7","6","1") = "6"
    & skf21("3","3","5","1","2","7","7","1") = "6"
    & skf21("3","3","5","1","3","1","1","1") = "4"
    & skf21("3","3","5","1","3","1","2","1") = "4"
    & skf21("3","3","5","1","3","1","3","1") = "4"
    & skf21("3","3","5","1","3","1","4","1") = "4"
    & skf21("3","3","5","1","3","1","5","1") = "4"
    & skf21("3","3","5","1","3","1","6","1") = "5"
    & skf21("3","3","5","1","3","1","7","1") = "6"
    & skf21("3","3","5","1","3","2","1","1") = "4"
    & skf21("3","3","5","1","3","2","2","1") = "4"
    & skf21("3","3","5","1","3","2","3","1") = "4"
    & skf21("3","3","5","1","3","2","4","1") = "4"
    & skf21("3","3","5","1","3","2","5","1") = "4"
    & skf21("3","3","5","1","3","2","6","1") = "5"
    & skf21("3","3","5","1","3","2","7","1") = "6"
    & skf21("3","3","5","1","3","3","1","1") = "4"
    & skf21("3","3","5","1","3","3","2","1") = "4"
    & skf21("3","3","5","1","3","3","3","1") = "4"
    & skf21("3","3","5","1","3","3","4","1") = "4"
    & skf21("3","3","5","1","3","3","5","1") = "4"
    & skf21("3","3","5","1","3","3","6","1") = "5"
    & skf21("3","3","5","1","3","3","7","1") = "6"
    & skf21("3","3","5","1","3","4","1","1") = "4"
    & skf21("3","3","5","1","3","4","2","1") = "4"
    & skf21("3","3","5","1","3","4","3","1") = "4"
    & skf21("3","3","5","1","3","4","4","1") = "4"
    & skf21("3","3","5","1","3","4","5","1") = "4"
    & skf21("3","3","5","1","3","4","6","1") = "5"
    & skf21("3","3","5","1","3","4","7","1") = "6"
    & skf21("3","3","5","1","3","5","1","1") = "4"
    & skf21("3","3","5","1","3","5","2","1") = "4"
    & skf21("3","3","5","1","3","5","3","1") = "4"
    & skf21("3","3","5","1","3","5","4","1") = "4"
    & skf21("3","3","5","1","3","5","5","1") = "4"
    & skf21("3","3","5","1","3","5","6","1") = "5"
    & skf21("3","3","5","1","3","5","7","1") = "6"
    & skf21("3","3","5","1","3","6","1","1") = "5"
    & skf21("3","3","5","1","3","6","2","1") = "5"
    & skf21("3","3","5","1","3","6","3","1") = "5"
    & skf21("3","3","5","1","3","6","4","1") = "5"
    & skf21("3","3","5","1","3","6","5","1") = "5"
    & skf21("3","3","5","1","3","6","6","1") = "5"
    & skf21("3","3","5","1","3","6","7","1") = "6"
    & skf21("3","3","5","1","3","7","1","1") = "6"
    & skf21("3","3","5","1","3","7","2","1") = "6"
    & skf21("3","3","5","1","3","7","3","1") = "6"
    & skf21("3","3","5","1","3","7","4","1") = "6"
    & skf21("3","3","5","1","3","7","5","1") = "6"
    & skf21("3","3","5","1","3","7","6","1") = "6"
    & skf21("3","3","5","1","3","7","7","1") = "6"
    & skf21("3","3","5","1","4","1","1","1") = "4"
    & skf21("3","3","5","1","4","1","2","1") = "4"
    & skf21("3","3","5","1","4","1","3","1") = "4"
    & skf21("3","3","5","1","4","1","4","1") = "4"
    & skf21("3","3","5","1","4","1","5","1") = "4"
    & skf21("3","3","5","1","4","1","6","1") = "5"
    & skf21("3","3","5","1","4","1","7","1") = "6"
    & skf21("3","3","5","1","4","2","1","1") = "4"
    & skf21("3","3","5","1","4","2","2","1") = "4"
    & skf21("3","3","5","1","4","2","3","1") = "4"
    & skf21("3","3","5","1","4","2","4","1") = "4"
    & skf21("3","3","5","1","4","2","5","1") = "4"
    & skf21("3","3","5","1","4","2","6","1") = "5"
    & skf21("3","3","5","1","4","2","7","1") = "6"
    & skf21("3","3","5","1","4","3","1","1") = "4"
    & skf21("3","3","5","1","4","3","2","1") = "4"
    & skf21("3","3","5","1","4","3","3","1") = "4"
    & skf21("3","3","5","1","4","3","4","1") = "4"
    & skf21("3","3","5","1","4","3","5","1") = "4"
    & skf21("3","3","5","1","4","3","6","1") = "5"
    & skf21("3","3","5","1","4","3","7","1") = "6"
    & skf21("3","3","5","1","4","4","1","1") = "4"
    & skf21("3","3","5","1","4","4","2","1") = "4"
    & skf21("3","3","5","1","4","4","3","1") = "4"
    & skf21("3","3","5","1","4","4","4","1") = "4"
    & skf21("3","3","5","1","4","4","5","1") = "4"
    & skf21("3","3","5","1","4","4","6","1") = "5"
    & skf21("3","3","5","1","4","4","7","1") = "6"
    & skf21("3","3","5","1","4","5","1","1") = "4"
    & skf21("3","3","5","1","4","5","2","1") = "4"
    & skf21("3","3","5","1","4","5","3","1") = "4"
    & skf21("3","3","5","1","4","5","4","1") = "4"
    & skf21("3","3","5","1","4","5","5","1") = "4"
    & skf21("3","3","5","1","4","5","6","1") = "5"
    & skf21("3","3","5","1","4","5","7","1") = "6"
    & skf21("3","3","5","1","4","6","1","1") = "5"
    & skf21("3","3","5","1","4","6","2","1") = "5"
    & skf21("3","3","5","1","4","6","3","1") = "5"
    & skf21("3","3","5","1","4","6","4","1") = "5"
    & skf21("3","3","5","1","4","6","5","1") = "5"
    & skf21("3","3","5","1","4","6","6","1") = "5"
    & skf21("3","3","5","1","4","6","7","1") = "6"
    & skf21("3","3","5","1","4","7","1","1") = "6"
    & skf21("3","3","5","1","4","7","2","1") = "6"
    & skf21("3","3","5","1","4","7","3","1") = "6"
    & skf21("3","3","5","1","4","7","4","1") = "6"
    & skf21("3","3","5","1","4","7","5","1") = "6"
    & skf21("3","3","5","1","4","7","6","1") = "6"
    & skf21("3","3","5","1","4","7","7","1") = "6"
    & skf21("3","3","5","1","5","1","1","1") = "4"
    & skf21("3","3","5","1","5","1","2","1") = "4"
    & skf21("3","3","5","1","5","1","3","1") = "4"
    & skf21("3","3","5","1","5","1","4","1") = "4"
    & skf21("3","3","5","1","5","1","5","1") = "4"
    & skf21("3","3","5","1","5","1","6","1") = "5"
    & skf21("3","3","5","1","5","1","7","1") = "6"
    & skf21("3","3","5","1","5","2","1","1") = "4"
    & skf21("3","3","5","1","5","2","2","1") = "4"
    & skf21("3","3","5","1","5","2","3","1") = "4"
    & skf21("3","3","5","1","5","2","4","1") = "4"
    & skf21("3","3","5","1","5","2","5","1") = "4"
    & skf21("3","3","5","1","5","2","6","1") = "5"
    & skf21("3","3","5","1","5","2","7","1") = "6"
    & skf21("3","3","5","1","5","3","1","1") = "4"
    & skf21("3","3","5","1","5","3","2","1") = "4"
    & skf21("3","3","5","1","5","3","3","1") = "4"
    & skf21("3","3","5","1","5","3","4","1") = "4"
    & skf21("3","3","5","1","5","3","5","1") = "4"
    & skf21("3","3","5","1","5","3","6","1") = "5"
    & skf21("3","3","5","1","5","3","7","1") = "6"
    & skf21("3","3","5","1","5","4","1","1") = "4"
    & skf21("3","3","5","1","5","4","2","1") = "4"
    & skf21("3","3","5","1","5","4","3","1") = "4"
    & skf21("3","3","5","1","5","4","4","1") = "4"
    & skf21("3","3","5","1","5","4","5","1") = "4"
    & skf21("3","3","5","1","5","4","6","1") = "5"
    & skf21("3","3","5","1","5","4","7","1") = "6"
    & skf21("3","3","5","1","5","5","1","1") = "4"
    & skf21("3","3","5","1","5","5","2","1") = "4"
    & skf21("3","3","5","1","5","5","3","1") = "4"
    & skf21("3","3","5","1","5","5","4","1") = "4"
    & skf21("3","3","5","1","5","5","5","1") = "4"
    & skf21("3","3","5","1","5","5","6","1") = "5"
    & skf21("3","3","5","1","5","5","7","1") = "6"
    & skf21("3","3","5","1","5","6","1","1") = "5"
    & skf21("3","3","5","1","5","6","2","1") = "5"
    & skf21("3","3","5","1","5","6","3","1") = "5"
    & skf21("3","3","5","1","5","6","4","1") = "5"
    & skf21("3","3","5","1","5","6","5","1") = "5"
    & skf21("3","3","5","1","5","6","6","1") = "5"
    & skf21("3","3","5","1","5","6","7","1") = "6"
    & skf21("3","3","5","1","5","7","1","1") = "6"
    & skf21("3","3","5","1","5","7","2","1") = "6"
    & skf21("3","3","5","1","5","7","3","1") = "6"
    & skf21("3","3","5","1","5","7","4","1") = "6"
    & skf21("3","3","5","1","5","7","5","1") = "6"
    & skf21("3","3","5","1","5","7","6","1") = "6"
    & skf21("3","3","5","1","5","7","7","1") = "6"
    & skf21("3","3","5","1","6","1","1","1") = "5"
    & skf21("3","3","5","1","6","1","2","1") = "5"
    & skf21("3","3","5","1","6","1","3","1") = "5"
    & skf21("3","3","5","1","6","1","4","1") = "5"
    & skf21("3","3","5","1","6","1","5","1") = "5"
    & skf21("3","3","5","1","6","1","6","1") = "5"
    & skf21("3","3","5","1","6","1","7","1") = "6"
    & skf21("3","3","5","1","6","2","1","1") = "5"
    & skf21("3","3","5","1","6","2","2","1") = "5"
    & skf21("3","3","5","1","6","2","3","1") = "5"
    & skf21("3","3","5","1","6","2","4","1") = "5"
    & skf21("3","3","5","1","6","2","5","1") = "5"
    & skf21("3","3","5","1","6","2","6","1") = "5"
    & skf21("3","3","5","1","6","2","7","1") = "6"
    & skf21("3","3","5","1","6","3","1","1") = "5"
    & skf21("3","3","5","1","6","3","2","1") = "5"
    & skf21("3","3","5","1","6","3","3","1") = "5"
    & skf21("3","3","5","1","6","3","4","1") = "5"
    & skf21("3","3","5","1","6","3","5","1") = "5"
    & skf21("3","3","5","1","6","3","6","1") = "5"
    & skf21("3","3","5","1","6","3","7","1") = "6"
    & skf21("3","3","5","1","6","4","1","1") = "5"
    & skf21("3","3","5","1","6","4","2","1") = "5"
    & skf21("3","3","5","1","6","4","3","1") = "5"
    & skf21("3","3","5","1","6","4","4","1") = "5"
    & skf21("3","3","5","1","6","4","5","1") = "5"
    & skf21("3","3","5","1","6","4","6","1") = "5"
    & skf21("3","3","5","1","6","4","7","1") = "6"
    & skf21("3","3","5","1","6","5","1","1") = "5"
    & skf21("3","3","5","1","6","5","2","1") = "5"
    & skf21("3","3","5","1","6","5","3","1") = "5"
    & skf21("3","3","5","1","6","5","4","1") = "5"
    & skf21("3","3","5","1","6","5","5","1") = "5"
    & skf21("3","3","5","1","6","5","6","1") = "5"
    & skf21("3","3","5","1","6","5","7","1") = "6"
    & skf21("3","3","5","1","6","6","1","1") = "5"
    & skf21("3","3","5","1","6","6","2","1") = "5"
    & skf21("3","3","5","1","6","6","3","1") = "5"
    & skf21("3","3","5","1","6","6","4","1") = "5"
    & skf21("3","3","5","1","6","6","5","1") = "5"
    & skf21("3","3","5","1","6","6","6","1") = "5"
    & skf21("3","3","5","1","6","6","7","1") = "6"
    & skf21("3","3","5","1","6","7","1","1") = "6"
    & skf21("3","3","5","1","6","7","2","1") = "6"
    & skf21("3","3","5","1","6","7","3","1") = "6"
    & skf21("3","3","5","1","6","7","4","1") = "6"
    & skf21("3","3","5","1","6","7","5","1") = "6"
    & skf21("3","3","5","1","6","7","6","1") = "6"
    & skf21("3","3","5","1","6","7","7","1") = "6"
    & skf21("3","3","5","1","7","1","1","1") = "6"
    & skf21("3","3","5","1","7","1","2","1") = "6"
    & skf21("3","3","5","1","7","1","3","1") = "6"
    & skf21("3","3","5","1","7","1","4","1") = "6"
    & skf21("3","3","5","1","7","1","5","1") = "6"
    & skf21("3","3","5","1","7","1","6","1") = "6"
    & skf21("3","3","5","1","7","1","7","1") = "6"
    & skf21("3","3","5","1","7","2","1","1") = "6"
    & skf21("3","3","5","1","7","2","2","1") = "6"
    & skf21("3","3","5","1","7","2","3","1") = "6"
    & skf21("3","3","5","1","7","2","4","1") = "6"
    & skf21("3","3","5","1","7","2","5","1") = "6"
    & skf21("3","3","5","1","7","2","6","1") = "6"
    & skf21("3","3","5","1","7","2","7","1") = "6"
    & skf21("3","3","5","1","7","3","1","1") = "6"
    & skf21("3","3","5","1","7","3","2","1") = "6"
    & skf21("3","3","5","1","7","3","3","1") = "6"
    & skf21("3","3","5","1","7","3","4","1") = "6"
    & skf21("3","3","5","1","7","3","5","1") = "6"
    & skf21("3","3","5","1","7","3","6","1") = "6"
    & skf21("3","3","5","1","7","3","7","1") = "6"
    & skf21("3","3","5","1","7","4","1","1") = "6"
    & skf21("3","3","5","1","7","4","2","1") = "6"
    & skf21("3","3","5","1","7","4","3","1") = "6"
    & skf21("3","3","5","1","7","4","4","1") = "6"
    & skf21("3","3","5","1","7","4","5","1") = "6"
    & skf21("3","3","5","1","7","4","6","1") = "6"
    & skf21("3","3","5","1","7","4","7","1") = "6"
    & skf21("3","3","5","1","7","5","1","1") = "6"
    & skf21("3","3","5","1","7","5","2","1") = "6"
    & skf21("3","3","5","1","7","5","3","1") = "6"
    & skf21("3","3","5","1","7","5","4","1") = "6"
    & skf21("3","3","5","1","7","5","5","1") = "6"
    & skf21("3","3","5","1","7","5","6","1") = "6"
    & skf21("3","3","5","1","7","5","7","1") = "6"
    & skf21("3","3","5","1","7","6","1","1") = "6"
    & skf21("3","3","5","1","7","6","2","1") = "6"
    & skf21("3","3","5","1","7","6","3","1") = "6"
    & skf21("3","3","5","1","7","6","4","1") = "6"
    & skf21("3","3","5","1","7","6","5","1") = "6"
    & skf21("3","3","5","1","7","6","6","1") = "6"
    & skf21("3","3","5","1","7","6","7","1") = "6"
    & skf21("3","3","5","1","7","7","1","1") = "6"
    & skf21("3","3","5","1","7","7","2","1") = "6"
    & skf21("3","3","5","1","7","7","3","1") = "6"
    & skf21("3","3","5","1","7","7","4","1") = "6"
    & skf21("3","3","5","1","7","7","5","1") = "6"
    & skf21("3","3","5","1","7","7","6","1") = "6"
    & skf21("3","3","5","1","7","7","7","1") = "6"
    & skf21("3","3","5","2","1","1","1","1") = "4"
    & skf21("3","3","5","2","1","1","2","1") = "4"
    & skf21("3","3","5","2","1","1","3","1") = "4"
    & skf21("3","3","5","2","1","1","4","1") = "4"
    & skf21("3","3","5","2","1","1","5","1") = "4"
    & skf21("3","3","5","2","1","1","6","1") = "5"
    & skf21("3","3","5","2","1","1","7","1") = "6"
    & skf21("3","3","5","2","1","2","1","1") = "4"
    & skf21("3","3","5","2","1","2","2","1") = "4"
    & skf21("3","3","5","2","1","2","3","1") = "4"
    & skf21("3","3","5","2","1","2","4","1") = "4"
    & skf21("3","3","5","2","1","2","5","1") = "4"
    & skf21("3","3","5","2","1","2","6","1") = "5"
    & skf21("3","3","5","2","1","2","7","1") = "6"
    & skf21("3","3","5","2","1","3","1","1") = "4"
    & skf21("3","3","5","2","1","3","2","1") = "4"
    & skf21("3","3","5","2","1","3","3","1") = "4"
    & skf21("3","3","5","2","1","3","4","1") = "4"
    & skf21("3","3","5","2","1","3","5","1") = "4"
    & skf21("3","3","5","2","1","3","6","1") = "5"
    & skf21("3","3","5","2","1","3","7","1") = "6"
    & skf21("3","3","5","2","1","4","1","1") = "4"
    & skf21("3","3","5","2","1","4","2","1") = "4"
    & skf21("3","3","5","2","1","4","3","1") = "4"
    & skf21("3","3","5","2","1","4","4","1") = "4"
    & skf21("3","3","5","2","1","4","5","1") = "4"
    & skf21("3","3","5","2","1","4","6","1") = "5"
    & skf21("3","3","5","2","1","4","7","1") = "6"
    & skf21("3","3","5","2","1","5","1","1") = "4"
    & skf21("3","3","5","2","1","5","2","1") = "4"
    & skf21("3","3","5","2","1","5","3","1") = "4"
    & skf21("3","3","5","2","1","5","4","1") = "4"
    & skf21("3","3","5","2","1","5","5","1") = "4"
    & skf21("3","3","5","2","1","5","6","1") = "5"
    & skf21("3","3","5","2","1","5","7","1") = "6"
    & skf21("3","3","5","2","1","6","1","1") = "5"
    & skf21("3","3","5","2","1","6","2","1") = "5"
    & skf21("3","3","5","2","1","6","3","1") = "5"
    & skf21("3","3","5","2","1","6","4","1") = "5"
    & skf21("3","3","5","2","1","6","5","1") = "5"
    & skf21("3","3","5","2","1","6","6","1") = "5"
    & skf21("3","3","5","2","1","6","7","1") = "6"
    & skf21("3","3","5","2","1","7","1","1") = "6"
    & skf21("3","3","5","2","1","7","2","1") = "6"
    & skf21("3","3","5","2","1","7","3","1") = "6"
    & skf21("3","3","5","2","1","7","4","1") = "6"
    & skf21("3","3","5","2","1","7","5","1") = "6"
    & skf21("3","3","5","2","1","7","6","1") = "6"
    & skf21("3","3","5","2","1","7","7","1") = "6"
    & skf21("3","3","5","2","2","1","1","1") = "4"
    & skf21("3","3","5","2","2","1","2","1") = "4"
    & skf21("3","3","5","2","2","1","3","1") = "4"
    & skf21("3","3","5","2","2","1","4","1") = "4"
    & skf21("3","3","5","2","2","1","5","1") = "4"
    & skf21("3","3","5","2","2","1","6","1") = "5"
    & skf21("3","3","5","2","2","1","7","1") = "6"
    & skf21("3","3","5","2","2","2","1","1") = "4"
    & skf21("3","3","5","2","2","2","2","1") = "4"
    & skf21("3","3","5","2","2","2","3","1") = "4"
    & skf21("3","3","5","2","2","2","4","1") = "4"
    & skf21("3","3","5","2","2","2","5","1") = "4"
    & skf21("3","3","5","2","2","2","6","1") = "5"
    & skf21("3","3","5","2","2","2","7","1") = "6"
    & skf21("3","3","5","2","2","3","1","1") = "4"
    & skf21("3","3","5","2","2","3","2","1") = "4"
    & skf21("3","3","5","2","2","3","3","1") = "4"
    & skf21("3","3","5","2","2","3","4","1") = "4"
    & skf21("3","3","5","2","2","3","5","1") = "4"
    & skf21("3","3","5","2","2","3","6","1") = "5"
    & skf21("3","3","5","2","2","3","7","1") = "6"
    & skf21("3","3","5","2","2","4","1","1") = "4"
    & skf21("3","3","5","2","2","4","2","1") = "4"
    & skf21("3","3","5","2","2","4","3","1") = "4"
    & skf21("3","3","5","2","2","4","4","1") = "4"
    & skf21("3","3","5","2","2","4","5","1") = "4"
    & skf21("3","3","5","2","2","4","6","1") = "5"
    & skf21("3","3","5","2","2","4","7","1") = "6"
    & skf21("3","3","5","2","2","5","1","1") = "4"
    & skf21("3","3","5","2","2","5","2","1") = "4"
    & skf21("3","3","5","2","2","5","3","1") = "4"
    & skf21("3","3","5","2","2","5","4","1") = "4"
    & skf21("3","3","5","2","2","5","5","1") = "4"
    & skf21("3","3","5","2","2","5","6","1") = "5"
    & skf21("3","3","5","2","2","5","7","1") = "6"
    & skf21("3","3","5","2","2","6","1","1") = "5"
    & skf21("3","3","5","2","2","6","2","1") = "5"
    & skf21("3","3","5","2","2","6","3","1") = "5"
    & skf21("3","3","5","2","2","6","4","1") = "5"
    & skf21("3","3","5","2","2","6","5","1") = "5"
    & skf21("3","3","5","2","2","6","6","1") = "5"
    & skf21("3","3","5","2","2","6","7","1") = "6"
    & skf21("3","3","5","2","2","7","1","1") = "6"
    & skf21("3","3","5","2","2","7","2","1") = "6"
    & skf21("3","3","5","2","2","7","3","1") = "6"
    & skf21("3","3","5","2","2","7","4","1") = "6"
    & skf21("3","3","5","2","2","7","5","1") = "6"
    & skf21("3","3","5","2","2","7","6","1") = "6"
    & skf21("3","3","5","2","2","7","7","1") = "6"
    & skf21("3","3","5","2","3","1","1","1") = "4"
    & skf21("3","3","5","2","3","1","2","1") = "4"
    & skf21("3","3","5","2","3","1","3","1") = "4"
    & skf21("3","3","5","2","3","1","4","1") = "4"
    & skf21("3","3","5","2","3","1","5","1") = "4"
    & skf21("3","3","5","2","3","1","6","1") = "5"
    & skf21("3","3","5","2","3","1","7","1") = "6"
    & skf21("3","3","5","2","3","2","1","1") = "4"
    & skf21("3","3","5","2","3","2","2","1") = "4"
    & skf21("3","3","5","2","3","2","3","1") = "4"
    & skf21("3","3","5","2","3","2","4","1") = "4"
    & skf21("3","3","5","2","3","2","5","1") = "4"
    & skf21("3","3","5","2","3","2","6","1") = "5"
    & skf21("3","3","5","2","3","2","7","1") = "6"
    & skf21("3","3","5","2","3","3","1","1") = "4"
    & skf21("3","3","5","2","3","3","2","1") = "4"
    & skf21("3","3","5","2","3","3","3","1") = "4"
    & skf21("3","3","5","2","3","3","4","1") = "4"
    & skf21("3","3","5","2","3","3","5","1") = "4"
    & skf21("3","3","5","2","3","3","6","1") = "5"
    & skf21("3","3","5","2","3","3","7","1") = "6"
    & skf21("3","3","5","2","3","4","1","1") = "4"
    & skf21("3","3","5","2","3","4","2","1") = "4"
    & skf21("3","3","5","2","3","4","3","1") = "4"
    & skf21("3","3","5","2","3","4","4","1") = "4"
    & skf21("3","3","5","2","3","4","5","1") = "4"
    & skf21("3","3","5","2","3","4","6","1") = "5"
    & skf21("3","3","5","2","3","4","7","1") = "6"
    & skf21("3","3","5","2","3","5","1","1") = "4"
    & skf21("3","3","5","2","3","5","2","1") = "4"
    & skf21("3","3","5","2","3","5","3","1") = "4"
    & skf21("3","3","5","2","3","5","4","1") = "4"
    & skf21("3","3","5","2","3","5","5","1") = "4"
    & skf21("3","3","5","2","3","5","6","1") = "5"
    & skf21("3","3","5","2","3","5","7","1") = "6"
    & skf21("3","3","5","2","3","6","1","1") = "5"
    & skf21("3","3","5","2","3","6","2","1") = "5"
    & skf21("3","3","5","2","3","6","3","1") = "5"
    & skf21("3","3","5","2","3","6","4","1") = "5"
    & skf21("3","3","5","2","3","6","5","1") = "5"
    & skf21("3","3","5","2","3","6","6","1") = "5"
    & skf21("3","3","5","2","3","6","7","1") = "6"
    & skf21("3","3","5","2","3","7","1","1") = "6"
    & skf21("3","3","5","2","3","7","2","1") = "6"
    & skf21("3","3","5","2","3","7","3","1") = "6"
    & skf21("3","3","5","2","3","7","4","1") = "6"
    & skf21("3","3","5","2","3","7","5","1") = "6"
    & skf21("3","3","5","2","3","7","6","1") = "6"
    & skf21("3","3","5","2","3","7","7","1") = "6"
    & skf21("3","3","5","2","4","1","1","1") = "4"
    & skf21("3","3","5","2","4","1","2","1") = "4"
    & skf21("3","3","5","2","4","1","3","1") = "4"
    & skf21("3","3","5","2","4","1","4","1") = "4"
    & skf21("3","3","5","2","4","1","5","1") = "4"
    & skf21("3","3","5","2","4","1","6","1") = "5"
    & skf21("3","3","5","2","4","1","7","1") = "6"
    & skf21("3","3","5","2","4","2","1","1") = "4"
    & skf21("3","3","5","2","4","2","2","1") = "4"
    & skf21("3","3","5","2","4","2","3","1") = "4"
    & skf21("3","3","5","2","4","2","4","1") = "4"
    & skf21("3","3","5","2","4","2","5","1") = "4"
    & skf21("3","3","5","2","4","2","6","1") = "5"
    & skf21("3","3","5","2","4","2","7","1") = "6"
    & skf21("3","3","5","2","4","3","1","1") = "4"
    & skf21("3","3","5","2","4","3","2","1") = "4"
    & skf21("3","3","5","2","4","3","3","1") = "4"
    & skf21("3","3","5","2","4","3","4","1") = "4"
    & skf21("3","3","5","2","4","3","5","1") = "4"
    & skf21("3","3","5","2","4","3","6","1") = "5"
    & skf21("3","3","5","2","4","3","7","1") = "6"
    & skf21("3","3","5","2","4","4","1","1") = "4"
    & skf21("3","3","5","2","4","4","2","1") = "4"
    & skf21("3","3","5","2","4","4","3","1") = "4"
    & skf21("3","3","5","2","4","4","4","1") = "4"
    & skf21("3","3","5","2","4","4","5","1") = "4"
    & skf21("3","3","5","2","4","4","6","1") = "5"
    & skf21("3","3","5","2","4","4","7","1") = "6"
    & skf21("3","3","5","2","4","5","1","1") = "4"
    & skf21("3","3","5","2","4","5","2","1") = "4"
    & skf21("3","3","5","2","4","5","3","1") = "4"
    & skf21("3","3","5","2","4","5","4","1") = "4"
    & skf21("3","3","5","2","4","5","5","1") = "4"
    & skf21("3","3","5","2","4","5","6","1") = "5"
    & skf21("3","3","5","2","4","5","7","1") = "6"
    & skf21("3","3","5","2","4","6","1","1") = "5"
    & skf21("3","3","5","2","4","6","2","1") = "5"
    & skf21("3","3","5","2","4","6","3","1") = "5"
    & skf21("3","3","5","2","4","6","4","1") = "5"
    & skf21("3","3","5","2","4","6","5","1") = "5"
    & skf21("3","3","5","2","4","6","6","1") = "5"
    & skf21("3","3","5","2","4","6","7","1") = "6"
    & skf21("3","3","5","2","4","7","1","1") = "6"
    & skf21("3","3","5","2","4","7","2","1") = "6"
    & skf21("3","3","5","2","4","7","3","1") = "6"
    & skf21("3","3","5","2","4","7","4","1") = "6"
    & skf21("3","3","5","2","4","7","5","1") = "6"
    & skf21("3","3","5","2","4","7","6","1") = "6"
    & skf21("3","3","5","2","4","7","7","1") = "6"
    & skf21("3","3","5","2","5","1","1","1") = "4"
    & skf21("3","3","5","2","5","1","2","1") = "4"
    & skf21("3","3","5","2","5","1","3","1") = "4"
    & skf21("3","3","5","2","5","1","4","1") = "4"
    & skf21("3","3","5","2","5","1","5","1") = "4"
    & skf21("3","3","5","2","5","1","6","1") = "5"
    & skf21("3","3","5","2","5","1","7","1") = "6"
    & skf21("3","3","5","2","5","2","1","1") = "4"
    & skf21("3","3","5","2","5","2","2","1") = "4"
    & skf21("3","3","5","2","5","2","3","1") = "4"
    & skf21("3","3","5","2","5","2","4","1") = "4"
    & skf21("3","3","5","2","5","2","5","1") = "4"
    & skf21("3","3","5","2","5","2","6","1") = "5"
    & skf21("3","3","5","2","5","2","7","1") = "6"
    & skf21("3","3","5","2","5","3","1","1") = "4"
    & skf21("3","3","5","2","5","3","2","1") = "4"
    & skf21("3","3","5","2","5","3","3","1") = "4"
    & skf21("3","3","5","2","5","3","4","1") = "4"
    & skf21("3","3","5","2","5","3","5","1") = "4"
    & skf21("3","3","5","2","5","3","6","1") = "5"
    & skf21("3","3","5","2","5","3","7","1") = "6"
    & skf21("3","3","5","2","5","4","1","1") = "4"
    & skf21("3","3","5","2","5","4","2","1") = "4"
    & skf21("3","3","5","2","5","4","3","1") = "4"
    & skf21("3","3","5","2","5","4","4","1") = "4"
    & skf21("3","3","5","2","5","4","5","1") = "4"
    & skf21("3","3","5","2","5","4","6","1") = "5"
    & skf21("3","3","5","2","5","4","7","1") = "6"
    & skf21("3","3","5","2","5","5","1","1") = "4"
    & skf21("3","3","5","2","5","5","2","1") = "4"
    & skf21("3","3","5","2","5","5","3","1") = "4"
    & skf21("3","3","5","2","5","5","4","1") = "4"
    & skf21("3","3","5","2","5","5","5","1") = "4"
    & skf21("3","3","5","2","5","5","6","1") = "5"
    & skf21("3","3","5","2","5","5","7","1") = "6"
    & skf21("3","3","5","2","5","6","1","1") = "5"
    & skf21("3","3","5","2","5","6","2","1") = "5"
    & skf21("3","3","5","2","5","6","3","1") = "5"
    & skf21("3","3","5","2","5","6","4","1") = "5"
    & skf21("3","3","5","2","5","6","5","1") = "5"
    & skf21("3","3","5","2","5","6","6","1") = "5"
    & skf21("3","3","5","2","5","6","7","1") = "6"
    & skf21("3","3","5","2","5","7","1","1") = "6"
    & skf21("3","3","5","2","5","7","2","1") = "6"
    & skf21("3","3","5","2","5","7","3","1") = "6"
    & skf21("3","3","5","2","5","7","4","1") = "6"
    & skf21("3","3","5","2","5","7","5","1") = "6"
    & skf21("3","3","5","2","5","7","6","1") = "6"
    & skf21("3","3","5","2","5","7","7","1") = "6"
    & skf21("3","3","5","2","6","1","1","1") = "5"
    & skf21("3","3","5","2","6","1","2","1") = "5"
    & skf21("3","3","5","2","6","1","3","1") = "5"
    & skf21("3","3","5","2","6","1","4","1") = "5"
    & skf21("3","3","5","2","6","1","5","1") = "5"
    & skf21("3","3","5","2","6","1","6","1") = "5"
    & skf21("3","3","5","2","6","1","7","1") = "6"
    & skf21("3","3","5","2","6","2","1","1") = "5"
    & skf21("3","3","5","2","6","2","2","1") = "5"
    & skf21("3","3","5","2","6","2","3","1") = "5"
    & skf21("3","3","5","2","6","2","4","1") = "5"
    & skf21("3","3","5","2","6","2","5","1") = "5"
    & skf21("3","3","5","2","6","2","6","1") = "5"
    & skf21("3","3","5","2","6","2","7","1") = "6"
    & skf21("3","3","5","2","6","3","1","1") = "5"
    & skf21("3","3","5","2","6","3","2","1") = "5"
    & skf21("3","3","5","2","6","3","3","1") = "5"
    & skf21("3","3","5","2","6","3","4","1") = "5"
    & skf21("3","3","5","2","6","3","5","1") = "5"
    & skf21("3","3","5","2","6","3","6","1") = "5"
    & skf21("3","3","5","2","6","3","7","1") = "6"
    & skf21("3","3","5","2","6","4","1","1") = "5"
    & skf21("3","3","5","2","6","4","2","1") = "5"
    & skf21("3","3","5","2","6","4","3","1") = "5"
    & skf21("3","3","5","2","6","4","4","1") = "5"
    & skf21("3","3","5","2","6","4","5","1") = "5"
    & skf21("3","3","5","2","6","4","6","1") = "5"
    & skf21("3","3","5","2","6","4","7","1") = "6"
    & skf21("3","3","5","2","6","5","1","1") = "5"
    & skf21("3","3","5","2","6","5","2","1") = "5"
    & skf21("3","3","5","2","6","5","3","1") = "5"
    & skf21("3","3","5","2","6","5","4","1") = "5"
    & skf21("3","3","5","2","6","5","5","1") = "5"
    & skf21("3","3","5","2","6","5","6","1") = "5"
    & skf21("3","3","5","2","6","5","7","1") = "6"
    & skf21("3","3","5","2","6","6","1","1") = "5"
    & skf21("3","3","5","2","6","6","2","1") = "5"
    & skf21("3","3","5","2","6","6","3","1") = "5"
    & skf21("3","3","5","2","6","6","4","1") = "5"
    & skf21("3","3","5","2","6","6","5","1") = "5"
    & skf21("3","3","5","2","6","6","6","1") = "5"
    & skf21("3","3","5","2","6","6","7","1") = "6"
    & skf21("3","3","5","2","6","7","1","1") = "6"
    & skf21("3","3","5","2","6","7","2","1") = "6"
    & skf21("3","3","5","2","6","7","3","1") = "6"
    & skf21("3","3","5","2","6","7","4","1") = "6"
    & skf21("3","3","5","2","6","7","5","1") = "6"
    & skf21("3","3","5","2","6","7","6","1") = "6"
    & skf21("3","3","5","2","6","7","7","1") = "6"
    & skf21("3","3","5","2","7","1","1","1") = "6"
    & skf21("3","3","5","2","7","1","2","1") = "6"
    & skf21("3","3","5","2","7","1","3","1") = "6"
    & skf21("3","3","5","2","7","1","4","1") = "6"
    & skf21("3","3","5","2","7","1","5","1") = "6"
    & skf21("3","3","5","2","7","1","6","1") = "6"
    & skf21("3","3","5","2","7","1","7","1") = "6"
    & skf21("3","3","5","2","7","2","1","1") = "6"
    & skf21("3","3","5","2","7","2","2","1") = "6"
    & skf21("3","3","5","2","7","2","3","1") = "6"
    & skf21("3","3","5","2","7","2","4","1") = "6"
    & skf21("3","3","5","2","7","2","5","1") = "6"
    & skf21("3","3","5","2","7","2","6","1") = "6"
    & skf21("3","3","5","2","7","2","7","1") = "6"
    & skf21("3","3","5","2","7","3","1","1") = "6"
    & skf21("3","3","5","2","7","3","2","1") = "6"
    & skf21("3","3","5","2","7","3","3","1") = "6"
    & skf21("3","3","5","2","7","3","4","1") = "6"
    & skf21("3","3","5","2","7","3","5","1") = "6"
    & skf21("3","3","5","2","7","3","6","1") = "6"
    & skf21("3","3","5","2","7","3","7","1") = "6"
    & skf21("3","3","5","2","7","4","1","1") = "6"
    & skf21("3","3","5","2","7","4","2","1") = "6"
    & skf21("3","3","5","2","7","4","3","1") = "6"
    & skf21("3","3","5","2","7","4","4","1") = "6"
    & skf21("3","3","5","2","7","4","5","1") = "6"
    & skf21("3","3","5","2","7","4","6","1") = "6"
    & skf21("3","3","5","2","7","4","7","1") = "6"
    & skf21("3","3","5","2","7","5","1","1") = "6"
    & skf21("3","3","5","2","7","5","2","1") = "6"
    & skf21("3","3","5","2","7","5","3","1") = "6"
    & skf21("3","3","5","2","7","5","4","1") = "6"
    & skf21("3","3","5","2","7","5","5","1") = "6"
    & skf21("3","3","5","2","7","5","6","1") = "6"
    & skf21("3","3","5","2","7","5","7","1") = "6"
    & skf21("3","3","5","2","7","6","1","1") = "6"
    & skf21("3","3","5","2","7","6","2","1") = "6"
    & skf21("3","3","5","2","7","6","3","1") = "6"
    & skf21("3","3","5","2","7","6","4","1") = "6"
    & skf21("3","3","5","2","7","6","5","1") = "6"
    & skf21("3","3","5","2","7","6","6","1") = "6"
    & skf21("3","3","5","2","7","6","7","1") = "6"
    & skf21("3","3","5","2","7","7","1","1") = "6"
    & skf21("3","3","5","2","7","7","2","1") = "6"
    & skf21("3","3","5","2","7","7","3","1") = "6"
    & skf21("3","3","5","2","7","7","4","1") = "6"
    & skf21("3","3","5","2","7","7","5","1") = "6"
    & skf21("3","3","5","2","7","7","6","1") = "6"
    & skf21("3","3","5","2","7","7","7","1") = "6"
    & skf21("3","3","5","3","1","1","1","1") = "4"
    & skf21("3","3","5","3","1","1","2","1") = "4"
    & skf21("3","3","5","3","1","1","3","1") = "4"
    & skf21("3","3","5","3","1","1","4","1") = "4"
    & skf21("3","3","5","3","1","1","5","1") = "4"
    & skf21("3","3","5","3","1","1","6","1") = "5"
    & skf21("3","3","5","3","1","1","7","1") = "6"
    & skf21("3","3","5","3","1","2","1","1") = "4"
    & skf21("3","3","5","3","1","2","2","1") = "4"
    & skf21("3","3","5","3","1","2","3","1") = "4"
    & skf21("3","3","5","3","1","2","4","1") = "4"
    & skf21("3","3","5","3","1","2","5","1") = "4"
    & skf21("3","3","5","3","1","2","6","1") = "5"
    & skf21("3","3","5","3","1","2","7","1") = "6"
    & skf21("3","3","5","3","1","3","1","1") = "4"
    & skf21("3","3","5","3","1","3","2","1") = "4"
    & skf21("3","3","5","3","1","3","3","1") = "4"
    & skf21("3","3","5","3","1","3","4","1") = "4"
    & skf21("3","3","5","3","1","3","5","1") = "4"
    & skf21("3","3","5","3","1","3","6","1") = "5"
    & skf21("3","3","5","3","1","3","7","1") = "6"
    & skf21("3","3","5","3","1","4","1","1") = "4"
    & skf21("3","3","5","3","1","4","2","1") = "4"
    & skf21("3","3","5","3","1","4","3","1") = "4"
    & skf21("3","3","5","3","1","4","4","1") = "4"
    & skf21("3","3","5","3","1","4","5","1") = "4"
    & skf21("3","3","5","3","1","4","6","1") = "5"
    & skf21("3","3","5","3","1","4","7","1") = "6"
    & skf21("3","3","5","3","1","5","1","1") = "4"
    & skf21("3","3","5","3","1","5","2","1") = "4"
    & skf21("3","3","5","3","1","5","3","1") = "4"
    & skf21("3","3","5","3","1","5","4","1") = "4"
    & skf21("3","3","5","3","1","5","5","1") = "4"
    & skf21("3","3","5","3","1","5","6","1") = "5"
    & skf21("3","3","5","3","1","5","7","1") = "6"
    & skf21("3","3","5","3","1","6","1","1") = "5"
    & skf21("3","3","5","3","1","6","2","1") = "5"
    & skf21("3","3","5","3","1","6","3","1") = "5"
    & skf21("3","3","5","3","1","6","4","1") = "5"
    & skf21("3","3","5","3","1","6","5","1") = "5"
    & skf21("3","3","5","3","1","6","6","1") = "5"
    & skf21("3","3","5","3","1","6","7","1") = "6"
    & skf21("3","3","5","3","1","7","1","1") = "6"
    & skf21("3","3","5","3","1","7","2","1") = "6"
    & skf21("3","3","5","3","1","7","3","1") = "6"
    & skf21("3","3","5","3","1","7","4","1") = "6"
    & skf21("3","3","5","3","1","7","5","1") = "6"
    & skf21("3","3","5","3","1","7","6","1") = "6"
    & skf21("3","3","5","3","1","7","7","1") = "6"
    & skf21("3","3","5","3","2","1","1","1") = "4"
    & skf21("3","3","5","3","2","1","2","1") = "4"
    & skf21("3","3","5","3","2","1","3","1") = "4"
    & skf21("3","3","5","3","2","1","4","1") = "4"
    & skf21("3","3","5","3","2","1","5","1") = "4"
    & skf21("3","3","5","3","2","1","6","1") = "5"
    & skf21("3","3","5","3","2","1","7","1") = "6"
    & skf21("3","3","5","3","2","2","1","1") = "4"
    & skf21("3","3","5","3","2","2","2","1") = "4"
    & skf21("3","3","5","3","2","2","3","1") = "4"
    & skf21("3","3","5","3","2","2","4","1") = "4"
    & skf21("3","3","5","3","2","2","5","1") = "4"
    & skf21("3","3","5","3","2","2","6","1") = "5"
    & skf21("3","3","5","3","2","2","7","1") = "6"
    & skf21("3","3","5","3","2","3","1","1") = "4"
    & skf21("3","3","5","3","2","3","2","1") = "4"
    & skf21("3","3","5","3","2","3","3","1") = "4"
    & skf21("3","3","5","3","2","3","4","1") = "4"
    & skf21("3","3","5","3","2","3","5","1") = "4"
    & skf21("3","3","5","3","2","3","6","1") = "5"
    & skf21("3","3","5","3","2","3","7","1") = "6"
    & skf21("3","3","5","3","2","4","1","1") = "4"
    & skf21("3","3","5","3","2","4","2","1") = "4"
    & skf21("3","3","5","3","2","4","3","1") = "4"
    & skf21("3","3","5","3","2","4","4","1") = "4"
    & skf21("3","3","5","3","2","4","5","1") = "4"
    & skf21("3","3","5","3","2","4","6","1") = "5"
    & skf21("3","3","5","3","2","4","7","1") = "6"
    & skf21("3","3","5","3","2","5","1","1") = "4"
    & skf21("3","3","5","3","2","5","2","1") = "4"
    & skf21("3","3","5","3","2","5","3","1") = "4"
    & skf21("3","3","5","3","2","5","4","1") = "4"
    & skf21("3","3","5","3","2","5","5","1") = "4"
    & skf21("3","3","5","3","2","5","6","1") = "5"
    & skf21("3","3","5","3","2","5","7","1") = "6"
    & skf21("3","3","5","3","2","6","1","1") = "5"
    & skf21("3","3","5","3","2","6","2","1") = "5"
    & skf21("3","3","5","3","2","6","3","1") = "5"
    & skf21("3","3","5","3","2","6","4","1") = "5"
    & skf21("3","3","5","3","2","6","5","1") = "5"
    & skf21("3","3","5","3","2","6","6","1") = "5"
    & skf21("3","3","5","3","2","6","7","1") = "6"
    & skf21("3","3","5","3","2","7","1","1") = "6"
    & skf21("3","3","5","3","2","7","2","1") = "6"
    & skf21("3","3","5","3","2","7","3","1") = "6"
    & skf21("3","3","5","3","2","7","4","1") = "6"
    & skf21("3","3","5","3","2","7","5","1") = "6"
    & skf21("3","3","5","3","2","7","6","1") = "6"
    & skf21("3","3","5","3","2","7","7","1") = "6"
    & skf21("3","3","5","3","3","1","1","1") = "4"
    & skf21("3","3","5","3","3","1","2","1") = "4"
    & skf21("3","3","5","3","3","1","3","1") = "4"
    & skf21("3","3","5","3","3","1","4","1") = "4"
    & skf21("3","3","5","3","3","1","5","1") = "4"
    & skf21("3","3","5","3","3","1","6","1") = "5"
    & skf21("3","3","5","3","3","1","7","1") = "6"
    & skf21("3","3","5","3","3","2","1","1") = "4"
    & skf21("3","3","5","3","3","2","2","1") = "4"
    & skf21("3","3","5","3","3","2","3","1") = "4"
    & skf21("3","3","5","3","3","2","4","1") = "4"
    & skf21("3","3","5","3","3","2","5","1") = "4"
    & skf21("3","3","5","3","3","2","6","1") = "5"
    & skf21("3","3","5","3","3","2","7","1") = "6"
    & skf21("3","3","5","3","3","3","1","1") = "4"
    & skf21("3","3","5","3","3","3","2","1") = "4"
    & skf21("3","3","5","3","3","3","3","1") = "4"
    & skf21("3","3","5","3","3","3","4","1") = "4"
    & skf21("3","3","5","3","3","3","5","1") = "4"
    & skf21("3","3","5","3","3","3","6","1") = "5"
    & skf21("3","3","5","3","3","3","7","1") = "6"
    & skf21("3","3","5","3","3","4","1","1") = "4"
    & skf21("3","3","5","3","3","4","2","1") = "4"
    & skf21("3","3","5","3","3","4","3","1") = "4"
    & skf21("3","3","5","3","3","4","4","1") = "4"
    & skf21("3","3","5","3","3","4","5","1") = "4"
    & skf21("3","3","5","3","3","4","6","1") = "5"
    & skf21("3","3","5","3","3","4","7","1") = "6"
    & skf21("3","3","5","3","3","5","1","1") = "4"
    & skf21("3","3","5","3","3","5","2","1") = "4"
    & skf21("3","3","5","3","3","5","3","1") = "4"
    & skf21("3","3","5","3","3","5","4","1") = "4"
    & skf21("3","3","5","3","3","5","5","1") = "4"
    & skf21("3","3","5","3","3","5","6","1") = "5"
    & skf21("3","3","5","3","3","5","7","1") = "6"
    & skf21("3","3","5","3","3","6","1","1") = "5"
    & skf21("3","3","5","3","3","6","2","1") = "5"
    & skf21("3","3","5","3","3","6","3","1") = "5"
    & skf21("3","3","5","3","3","6","4","1") = "5"
    & skf21("3","3","5","3","3","6","5","1") = "5"
    & skf21("3","3","5","3","3","6","6","1") = "5"
    & skf21("3","3","5","3","3","6","7","1") = "6"
    & skf21("3","3","5","3","3","7","1","1") = "6"
    & skf21("3","3","5","3","3","7","2","1") = "6"
    & skf21("3","3","5","3","3","7","3","1") = "6"
    & skf21("3","3","5","3","3","7","4","1") = "6"
    & skf21("3","3","5","3","3","7","5","1") = "6"
    & skf21("3","3","5","3","3","7","6","1") = "6"
    & skf21("3","3","5","3","3","7","7","1") = "6"
    & skf21("3","3","5","3","4","1","1","1") = "4"
    & skf21("3","3","5","3","4","1","2","1") = "4"
    & skf21("3","3","5","3","4","1","3","1") = "4"
    & skf21("3","3","5","3","4","1","4","1") = "4"
    & skf21("3","3","5","3","4","1","5","1") = "4"
    & skf21("3","3","5","3","4","1","6","1") = "5"
    & skf21("3","3","5","3","4","1","7","1") = "6"
    & skf21("3","3","5","3","4","2","1","1") = "4"
    & skf21("3","3","5","3","4","2","2","1") = "4"
    & skf21("3","3","5","3","4","2","3","1") = "4"
    & skf21("3","3","5","3","4","2","4","1") = "4"
    & skf21("3","3","5","3","4","2","5","1") = "4"
    & skf21("3","3","5","3","4","2","6","1") = "5"
    & skf21("3","3","5","3","4","2","7","1") = "6"
    & skf21("3","3","5","3","4","3","1","1") = "4"
    & skf21("3","3","5","3","4","3","2","1") = "4"
    & skf21("3","3","5","3","4","3","3","1") = "4"
    & skf21("3","3","5","3","4","3","4","1") = "4"
    & skf21("3","3","5","3","4","3","5","1") = "4"
    & skf21("3","3","5","3","4","3","6","1") = "5"
    & skf21("3","3","5","3","4","3","7","1") = "6"
    & skf21("3","3","5","3","4","4","1","1") = "4"
    & skf21("3","3","5","3","4","4","2","1") = "4"
    & skf21("3","3","5","3","4","4","3","1") = "4"
    & skf21("3","3","5","3","4","4","4","1") = "4"
    & skf21("3","3","5","3","4","4","5","1") = "4"
    & skf21("3","3","5","3","4","4","6","1") = "5"
    & skf21("3","3","5","3","4","4","7","1") = "6"
    & skf21("3","3","5","3","4","5","1","1") = "4"
    & skf21("3","3","5","3","4","5","2","1") = "4"
    & skf21("3","3","5","3","4","5","3","1") = "4"
    & skf21("3","3","5","3","4","5","4","1") = "4"
    & skf21("3","3","5","3","4","5","5","1") = "4"
    & skf21("3","3","5","3","4","5","6","1") = "5"
    & skf21("3","3","5","3","4","5","7","1") = "6"
    & skf21("3","3","5","3","4","6","1","1") = "5"
    & skf21("3","3","5","3","4","6","2","1") = "5"
    & skf21("3","3","5","3","4","6","3","1") = "5"
    & skf21("3","3","5","3","4","6","4","1") = "5"
    & skf21("3","3","5","3","4","6","5","1") = "5"
    & skf21("3","3","5","3","4","6","6","1") = "5"
    & skf21("3","3","5","3","4","6","7","1") = "6"
    & skf21("3","3","5","3","4","7","1","1") = "6"
    & skf21("3","3","5","3","4","7","2","1") = "6"
    & skf21("3","3","5","3","4","7","3","1") = "6"
    & skf21("3","3","5","3","4","7","4","1") = "6"
    & skf21("3","3","5","3","4","7","5","1") = "6"
    & skf21("3","3","5","3","4","7","6","1") = "6"
    & skf21("3","3","5","3","4","7","7","1") = "6"
    & skf21("3","3","5","3","5","1","1","1") = "4"
    & skf21("3","3","5","3","5","1","2","1") = "4"
    & skf21("3","3","5","3","5","1","3","1") = "4"
    & skf21("3","3","5","3","5","1","4","1") = "4"
    & skf21("3","3","5","3","5","1","5","1") = "4"
    & skf21("3","3","5","3","5","1","6","1") = "5"
    & skf21("3","3","5","3","5","1","7","1") = "6"
    & skf21("3","3","5","3","5","2","1","1") = "4"
    & skf21("3","3","5","3","5","2","2","1") = "4"
    & skf21("3","3","5","3","5","2","3","1") = "4"
    & skf21("3","3","5","3","5","2","4","1") = "4"
    & skf21("3","3","5","3","5","2","5","1") = "4"
    & skf21("3","3","5","3","5","2","6","1") = "5"
    & skf21("3","3","5","3","5","2","7","1") = "6"
    & skf21("3","3","5","3","5","3","1","1") = "4"
    & skf21("3","3","5","3","5","3","2","1") = "4"
    & skf21("3","3","5","3","5","3","3","1") = "4"
    & skf21("3","3","5","3","5","3","4","1") = "4"
    & skf21("3","3","5","3","5","3","5","1") = "4"
    & skf21("3","3","5","3","5","3","6","1") = "5"
    & skf21("3","3","5","3","5","3","7","1") = "6"
    & skf21("3","3","5","3","5","4","1","1") = "4"
    & skf21("3","3","5","3","5","4","2","1") = "4"
    & skf21("3","3","5","3","5","4","3","1") = "4"
    & skf21("3","3","5","3","5","4","4","1") = "4"
    & skf21("3","3","5","3","5","4","5","1") = "4"
    & skf21("3","3","5","3","5","4","6","1") = "5"
    & skf21("3","3","5","3","5","4","7","1") = "6"
    & skf21("3","3","5","3","5","5","1","1") = "4"
    & skf21("3","3","5","3","5","5","2","1") = "4"
    & skf21("3","3","5","3","5","5","3","1") = "4"
    & skf21("3","3","5","3","5","5","4","1") = "4"
    & skf21("3","3","5","3","5","5","5","1") = "4"
    & skf21("3","3","5","3","5","5","6","1") = "5"
    & skf21("3","3","5","3","5","5","7","1") = "6"
    & skf21("3","3","5","3","5","6","1","1") = "5"
    & skf21("3","3","5","3","5","6","2","1") = "5"
    & skf21("3","3","5","3","5","6","3","1") = "5"
    & skf21("3","3","5","3","5","6","4","1") = "5"
    & skf21("3","3","5","3","5","6","5","1") = "5"
    & skf21("3","3","5","3","5","6","6","1") = "5"
    & skf21("3","3","5","3","5","6","7","1") = "6"
    & skf21("3","3","5","3","5","7","1","1") = "6"
    & skf21("3","3","5","3","5","7","2","1") = "6"
    & skf21("3","3","5","3","5","7","3","1") = "6"
    & skf21("3","3","5","3","5","7","4","1") = "6"
    & skf21("3","3","5","3","5","7","5","1") = "6"
    & skf21("3","3","5","3","5","7","6","1") = "6"
    & skf21("3","3","5","3","5","7","7","1") = "6"
    & skf21("3","3","5","3","6","1","1","1") = "5"
    & skf21("3","3","5","3","6","1","2","1") = "5"
    & skf21("3","3","5","3","6","1","3","1") = "5"
    & skf21("3","3","5","3","6","1","4","1") = "5"
    & skf21("3","3","5","3","6","1","5","1") = "5"
    & skf21("3","3","5","3","6","1","6","1") = "5"
    & skf21("3","3","5","3","6","1","7","1") = "6"
    & skf21("3","3","5","3","6","2","1","1") = "5"
    & skf21("3","3","5","3","6","2","2","1") = "5"
    & skf21("3","3","5","3","6","2","3","1") = "5"
    & skf21("3","3","5","3","6","2","4","1") = "5"
    & skf21("3","3","5","3","6","2","5","1") = "5"
    & skf21("3","3","5","3","6","2","6","1") = "5"
    & skf21("3","3","5","3","6","2","7","1") = "6"
    & skf21("3","3","5","3","6","3","1","1") = "5"
    & skf21("3","3","5","3","6","3","2","1") = "5"
    & skf21("3","3","5","3","6","3","3","1") = "5"
    & skf21("3","3","5","3","6","3","4","1") = "5"
    & skf21("3","3","5","3","6","3","5","1") = "5"
    & skf21("3","3","5","3","6","3","6","1") = "5"
    & skf21("3","3","5","3","6","3","7","1") = "6"
    & skf21("3","3","5","3","6","4","1","1") = "5"
    & skf21("3","3","5","3","6","4","2","1") = "5"
    & skf21("3","3","5","3","6","4","3","1") = "5"
    & skf21("3","3","5","3","6","4","4","1") = "5"
    & skf21("3","3","5","3","6","4","5","1") = "5"
    & skf21("3","3","5","3","6","4","6","1") = "5"
    & skf21("3","3","5","3","6","4","7","1") = "6"
    & skf21("3","3","5","3","6","5","1","1") = "5"
    & skf21("3","3","5","3","6","5","2","1") = "5"
    & skf21("3","3","5","3","6","5","3","1") = "5"
    & skf21("3","3","5","3","6","5","4","1") = "5"
    & skf21("3","3","5","3","6","5","5","1") = "5"
    & skf21("3","3","5","3","6","5","6","1") = "5"
    & skf21("3","3","5","3","6","5","7","1") = "6"
    & skf21("3","3","5","3","6","6","1","1") = "5"
    & skf21("3","3","5","3","6","6","2","1") = "5"
    & skf21("3","3","5","3","6","6","3","1") = "5"
    & skf21("3","3","5","3","6","6","4","1") = "5"
    & skf21("3","3","5","3","6","6","5","1") = "5"
    & skf21("3","3","5","3","6","6","6","1") = "5"
    & skf21("3","3","5","3","6","6","7","1") = "6"
    & skf21("3","3","5","3","6","7","1","1") = "6"
    & skf21("3","3","5","3","6","7","2","1") = "6"
    & skf21("3","3","5","3","6","7","3","1") = "6"
    & skf21("3","3","5","3","6","7","4","1") = "6"
    & skf21("3","3","5","3","6","7","5","1") = "6"
    & skf21("3","3","5","3","6","7","6","1") = "6"
    & skf21("3","3","5","3","6","7","7","1") = "6"
    & skf21("3","3","5","3","7","1","1","1") = "6"
    & skf21("3","3","5","3","7","1","2","1") = "6"
    & skf21("3","3","5","3","7","1","3","1") = "6"
    & skf21("3","3","5","3","7","1","4","1") = "6"
    & skf21("3","3","5","3","7","1","5","1") = "6"
    & skf21("3","3","5","3","7","1","6","1") = "6"
    & skf21("3","3","5","3","7","1","7","1") = "6"
    & skf21("3","3","5","3","7","2","1","1") = "6"
    & skf21("3","3","5","3","7","2","2","1") = "6"
    & skf21("3","3","5","3","7","2","3","1") = "6"
    & skf21("3","3","5","3","7","2","4","1") = "6"
    & skf21("3","3","5","3","7","2","5","1") = "6"
    & skf21("3","3","5","3","7","2","6","1") = "6"
    & skf21("3","3","5","3","7","2","7","1") = "6"
    & skf21("3","3","5","3","7","3","1","1") = "6"
    & skf21("3","3","5","3","7","3","2","1") = "6"
    & skf21("3","3","5","3","7","3","3","1") = "6"
    & skf21("3","3","5","3","7","3","4","1") = "6"
    & skf21("3","3","5","3","7","3","5","1") = "6"
    & skf21("3","3","5","3","7","3","6","1") = "6"
    & skf21("3","3","5","3","7","3","7","1") = "6"
    & skf21("3","3","5","3","7","4","1","1") = "6"
    & skf21("3","3","5","3","7","4","2","1") = "6"
    & skf21("3","3","5","3","7","4","3","1") = "6"
    & skf21("3","3","5","3","7","4","4","1") = "6"
    & skf21("3","3","5","3","7","4","5","1") = "6"
    & skf21("3","3","5","3","7","4","6","1") = "6"
    & skf21("3","3","5","3","7","4","7","1") = "6"
    & skf21("3","3","5","3","7","5","1","1") = "6"
    & skf21("3","3","5","3","7","5","2","1") = "6"
    & skf21("3","3","5","3","7","5","3","1") = "6"
    & skf21("3","3","5","3","7","5","4","1") = "6"
    & skf21("3","3","5","3","7","5","5","1") = "6"
    & skf21("3","3","5","3","7","5","6","1") = "6"
    & skf21("3","3","5","3","7","5","7","1") = "6"
    & skf21("3","3","5","3","7","6","1","1") = "6"
    & skf21("3","3","5","3","7","6","2","1") = "6"
    & skf21("3","3","5","3","7","6","3","1") = "6"
    & skf21("3","3","5","3","7","6","4","1") = "6"
    & skf21("3","3","5","3","7","6","5","1") = "6"
    & skf21("3","3","5","3","7","6","6","1") = "6"
    & skf21("3","3","5","3","7","6","7","1") = "6"
    & skf21("3","3","5","3","7","7","1","1") = "6"
    & skf21("3","3","5","3","7","7","2","1") = "6"
    & skf21("3","3","5","3","7","7","3","1") = "6"
    & skf21("3","3","5","3","7","7","4","1") = "6"
    & skf21("3","3","5","3","7","7","5","1") = "6"
    & skf21("3","3","5","3","7","7","6","1") = "6"
    & skf21("3","3","5","3","7","7","7","1") = "6"
    & skf21("3","3","5","4","1","1","1","1") = "4"
    & skf21("3","3","5","4","1","1","2","1") = "4"
    & skf21("3","3","5","4","1","1","3","1") = "4"
    & skf21("3","3","5","4","1","1","4","1") = "4"
    & skf21("3","3","5","4","1","1","5","1") = "4"
    & skf21("3","3","5","4","1","1","6","1") = "5"
    & skf21("3","3","5","4","1","1","7","1") = "6"
    & skf21("3","3","5","4","1","2","1","1") = "4"
    & skf21("3","3","5","4","1","2","2","1") = "4"
    & skf21("3","3","5","4","1","2","3","1") = "4"
    & skf21("3","3","5","4","1","2","4","1") = "4"
    & skf21("3","3","5","4","1","2","5","1") = "4"
    & skf21("3","3","5","4","1","2","6","1") = "5"
    & skf21("3","3","5","4","1","2","7","1") = "6"
    & skf21("3","3","5","4","1","3","1","1") = "4"
    & skf21("3","3","5","4","1","3","2","1") = "4"
    & skf21("3","3","5","4","1","3","3","1") = "4"
    & skf21("3","3","5","4","1","3","4","1") = "4"
    & skf21("3","3","5","4","1","3","5","1") = "4"
    & skf21("3","3","5","4","1","3","6","1") = "5"
    & skf21("3","3","5","4","1","3","7","1") = "6"
    & skf21("3","3","5","4","1","4","1","1") = "4"
    & skf21("3","3","5","4","1","4","2","1") = "4"
    & skf21("3","3","5","4","1","4","3","1") = "4"
    & skf21("3","3","5","4","1","4","4","1") = "4"
    & skf21("3","3","5","4","1","4","5","1") = "4"
    & skf21("3","3","5","4","1","4","6","1") = "5"
    & skf21("3","3","5","4","1","4","7","1") = "6"
    & skf21("3","3","5","4","1","5","1","1") = "4"
    & skf21("3","3","5","4","1","5","2","1") = "4"
    & skf21("3","3","5","4","1","5","3","1") = "4"
    & skf21("3","3","5","4","1","5","4","1") = "4"
    & skf21("3","3","5","4","1","5","5","1") = "4"
    & skf21("3","3","5","4","1","5","6","1") = "5"
    & skf21("3","3","5","4","1","5","7","1") = "6"
    & skf21("3","3","5","4","1","6","1","1") = "5"
    & skf21("3","3","5","4","1","6","2","1") = "5"
    & skf21("3","3","5","4","1","6","3","1") = "5"
    & skf21("3","3","5","4","1","6","4","1") = "5"
    & skf21("3","3","5","4","1","6","5","1") = "5"
    & skf21("3","3","5","4","1","6","6","1") = "5"
    & skf21("3","3","5","4","1","6","7","1") = "6"
    & skf21("3","3","5","4","1","7","1","1") = "6"
    & skf21("3","3","5","4","1","7","2","1") = "6"
    & skf21("3","3","5","4","1","7","3","1") = "6"
    & skf21("3","3","5","4","1","7","4","1") = "6"
    & skf21("3","3","5","4","1","7","5","1") = "6"
    & skf21("3","3","5","4","1","7","6","1") = "6"
    & skf21("3","3","5","4","1","7","7","1") = "6"
    & skf21("3","3","5","4","2","1","1","1") = "4"
    & skf21("3","3","5","4","2","1","2","1") = "4"
    & skf21("3","3","5","4","2","1","3","1") = "4"
    & skf21("3","3","5","4","2","1","4","1") = "4"
    & skf21("3","3","5","4","2","1","5","1") = "4"
    & skf21("3","3","5","4","2","1","6","1") = "5"
    & skf21("3","3","5","4","2","1","7","1") = "6"
    & skf21("3","3","5","4","2","2","1","1") = "4"
    & skf21("3","3","5","4","2","2","2","1") = "4"
    & skf21("3","3","5","4","2","2","3","1") = "4"
    & skf21("3","3","5","4","2","2","4","1") = "4"
    & skf21("3","3","5","4","2","2","5","1") = "4"
    & skf21("3","3","5","4","2","2","6","1") = "5"
    & skf21("3","3","5","4","2","2","7","1") = "6"
    & skf21("3","3","5","4","2","3","1","1") = "4"
    & skf21("3","3","5","4","2","3","2","1") = "4"
    & skf21("3","3","5","4","2","3","3","1") = "4"
    & skf21("3","3","5","4","2","3","4","1") = "4"
    & skf21("3","3","5","4","2","3","5","1") = "4"
    & skf21("3","3","5","4","2","3","6","1") = "5"
    & skf21("3","3","5","4","2","3","7","1") = "6"
    & skf21("3","3","5","4","2","4","1","1") = "4"
    & skf21("3","3","5","4","2","4","2","1") = "4"
    & skf21("3","3","5","4","2","4","3","1") = "4"
    & skf21("3","3","5","4","2","4","4","1") = "4"
    & skf21("3","3","5","4","2","4","5","1") = "4"
    & skf21("3","3","5","4","2","4","6","1") = "5"
    & skf21("3","3","5","4","2","4","7","1") = "6"
    & skf21("3","3","5","4","2","5","1","1") = "4"
    & skf21("3","3","5","4","2","5","2","1") = "4"
    & skf21("3","3","5","4","2","5","3","1") = "4"
    & skf21("3","3","5","4","2","5","4","1") = "4"
    & skf21("3","3","5","4","2","5","5","1") = "4"
    & skf21("3","3","5","4","2","5","6","1") = "5"
    & skf21("3","3","5","4","2","5","7","1") = "6"
    & skf21("3","3","5","4","2","6","1","1") = "5"
    & skf21("3","3","5","4","2","6","2","1") = "5"
    & skf21("3","3","5","4","2","6","3","1") = "5"
    & skf21("3","3","5","4","2","6","4","1") = "5"
    & skf21("3","3","5","4","2","6","5","1") = "5"
    & skf21("3","3","5","4","2","6","6","1") = "5"
    & skf21("3","3","5","4","2","6","7","1") = "6"
    & skf21("3","3","5","4","2","7","1","1") = "6"
    & skf21("3","3","5","4","2","7","2","1") = "6"
    & skf21("3","3","5","4","2","7","3","1") = "6"
    & skf21("3","3","5","4","2","7","4","1") = "6"
    & skf21("3","3","5","4","2","7","5","1") = "6"
    & skf21("3","3","5","4","2","7","6","1") = "6"
    & skf21("3","3","5","4","2","7","7","1") = "6"
    & skf21("3","3","5","4","3","1","1","1") = "4"
    & skf21("3","3","5","4","3","1","2","1") = "4"
    & skf21("3","3","5","4","3","1","3","1") = "4"
    & skf21("3","3","5","4","3","1","4","1") = "4"
    & skf21("3","3","5","4","3","1","5","1") = "4"
    & skf21("3","3","5","4","3","1","6","1") = "5"
    & skf21("3","3","5","4","3","1","7","1") = "6"
    & skf21("3","3","5","4","3","2","1","1") = "4"
    & skf21("3","3","5","4","3","2","2","1") = "4"
    & skf21("3","3","5","4","3","2","3","1") = "4"
    & skf21("3","3","5","4","3","2","4","1") = "4"
    & skf21("3","3","5","4","3","2","5","1") = "4"
    & skf21("3","3","5","4","3","2","6","1") = "5"
    & skf21("3","3","5","4","3","2","7","1") = "6"
    & skf21("3","3","5","4","3","3","1","1") = "4"
    & skf21("3","3","5","4","3","3","2","1") = "4"
    & skf21("3","3","5","4","3","3","3","1") = "4"
    & skf21("3","3","5","4","3","3","4","1") = "4"
    & skf21("3","3","5","4","3","3","5","1") = "4"
    & skf21("3","3","5","4","3","3","6","1") = "5"
    & skf21("3","3","5","4","3","3","7","1") = "6"
    & skf21("3","3","5","4","3","4","1","1") = "4"
    & skf21("3","3","5","4","3","4","2","1") = "4"
    & skf21("3","3","5","4","3","4","3","1") = "4"
    & skf21("3","3","5","4","3","4","4","1") = "4"
    & skf21("3","3","5","4","3","4","5","1") = "4"
    & skf21("3","3","5","4","3","4","6","1") = "5"
    & skf21("3","3","5","4","3","4","7","1") = "6"
    & skf21("3","3","5","4","3","5","1","1") = "4"
    & skf21("3","3","5","4","3","5","2","1") = "4"
    & skf21("3","3","5","4","3","5","3","1") = "4"
    & skf21("3","3","5","4","3","5","4","1") = "4"
    & skf21("3","3","5","4","3","5","5","1") = "4"
    & skf21("3","3","5","4","3","5","6","1") = "5"
    & skf21("3","3","5","4","3","5","7","1") = "6"
    & skf21("3","3","5","4","3","6","1","1") = "5"
    & skf21("3","3","5","4","3","6","2","1") = "5"
    & skf21("3","3","5","4","3","6","3","1") = "5"
    & skf21("3","3","5","4","3","6","4","1") = "5"
    & skf21("3","3","5","4","3","6","5","1") = "5"
    & skf21("3","3","5","4","3","6","6","1") = "5"
    & skf21("3","3","5","4","3","6","7","1") = "6"
    & skf21("3","3","5","4","3","7","1","1") = "6"
    & skf21("3","3","5","4","3","7","2","1") = "6"
    & skf21("3","3","5","4","3","7","3","1") = "6"
    & skf21("3","3","5","4","3","7","4","1") = "6"
    & skf21("3","3","5","4","3","7","5","1") = "6"
    & skf21("3","3","5","4","3","7","6","1") = "6"
    & skf21("3","3","5","4","3","7","7","1") = "6"
    & skf21("3","3","5","4","4","1","1","1") = "4"
    & skf21("3","3","5","4","4","1","2","1") = "4"
    & skf21("3","3","5","4","4","1","3","1") = "4"
    & skf21("3","3","5","4","4","1","4","1") = "4"
    & skf21("3","3","5","4","4","1","5","1") = "4"
    & skf21("3","3","5","4","4","1","6","1") = "5"
    & skf21("3","3","5","4","4","1","7","1") = "6"
    & skf21("3","3","5","4","4","2","1","1") = "4"
    & skf21("3","3","5","4","4","2","2","1") = "4"
    & skf21("3","3","5","4","4","2","3","1") = "4"
    & skf21("3","3","5","4","4","2","4","1") = "4"
    & skf21("3","3","5","4","4","2","5","1") = "4"
    & skf21("3","3","5","4","4","2","6","1") = "5"
    & skf21("3","3","5","4","4","2","7","1") = "6"
    & skf21("3","3","5","4","4","3","1","1") = "4"
    & skf21("3","3","5","4","4","3","2","1") = "4"
    & skf21("3","3","5","4","4","3","3","1") = "4"
    & skf21("3","3","5","4","4","3","4","1") = "4"
    & skf21("3","3","5","4","4","3","5","1") = "4"
    & skf21("3","3","5","4","4","3","6","1") = "5"
    & skf21("3","3","5","4","4","3","7","1") = "6"
    & skf21("3","3","5","4","4","4","1","1") = "4"
    & skf21("3","3","5","4","4","4","2","1") = "4"
    & skf21("3","3","5","4","4","4","3","1") = "4"
    & skf21("3","3","5","4","4","4","4","1") = "4"
    & skf21("3","3","5","4","4","4","5","1") = "4"
    & skf21("3","3","5","4","4","4","6","1") = "5"
    & skf21("3","3","5","4","4","4","7","1") = "6"
    & skf21("3","3","5","4","4","5","1","1") = "4"
    & skf21("3","3","5","4","4","5","2","1") = "4"
    & skf21("3","3","5","4","4","5","3","1") = "4"
    & skf21("3","3","5","4","4","5","4","1") = "4"
    & skf21("3","3","5","4","4","5","5","1") = "4"
    & skf21("3","3","5","4","4","5","6","1") = "5"
    & skf21("3","3","5","4","4","5","7","1") = "6"
    & skf21("3","3","5","4","4","6","1","1") = "5"
    & skf21("3","3","5","4","4","6","2","1") = "5"
    & skf21("3","3","5","4","4","6","3","1") = "5"
    & skf21("3","3","5","4","4","6","4","1") = "5"
    & skf21("3","3","5","4","4","6","5","1") = "5"
    & skf21("3","3","5","4","4","6","6","1") = "5"
    & skf21("3","3","5","4","4","6","7","1") = "6"
    & skf21("3","3","5","4","4","7","1","1") = "6"
    & skf21("3","3","5","4","4","7","2","1") = "6"
    & skf21("3","3","5","4","4","7","3","1") = "6"
    & skf21("3","3","5","4","4","7","4","1") = "6"
    & skf21("3","3","5","4","4","7","5","1") = "6"
    & skf21("3","3","5","4","4","7","6","1") = "6"
    & skf21("3","3","5","4","4","7","7","1") = "6"
    & skf21("3","3","5","4","5","1","1","1") = "4"
    & skf21("3","3","5","4","5","1","2","1") = "4"
    & skf21("3","3","5","4","5","1","3","1") = "4"
    & skf21("3","3","5","4","5","1","4","1") = "4"
    & skf21("3","3","5","4","5","1","5","1") = "4"
    & skf21("3","3","5","4","5","1","6","1") = "5"
    & skf21("3","3","5","4","5","1","7","1") = "6"
    & skf21("3","3","5","4","5","2","1","1") = "4"
    & skf21("3","3","5","4","5","2","2","1") = "4"
    & skf21("3","3","5","4","5","2","3","1") = "4"
    & skf21("3","3","5","4","5","2","4","1") = "4"
    & skf21("3","3","5","4","5","2","5","1") = "4"
    & skf21("3","3","5","4","5","2","6","1") = "5"
    & skf21("3","3","5","4","5","2","7","1") = "6"
    & skf21("3","3","5","4","5","3","1","1") = "4"
    & skf21("3","3","5","4","5","3","2","1") = "4"
    & skf21("3","3","5","4","5","3","3","1") = "4"
    & skf21("3","3","5","4","5","3","4","1") = "4"
    & skf21("3","3","5","4","5","3","5","1") = "4"
    & skf21("3","3","5","4","5","3","6","1") = "5"
    & skf21("3","3","5","4","5","3","7","1") = "6"
    & skf21("3","3","5","4","5","4","1","1") = "4"
    & skf21("3","3","5","4","5","4","2","1") = "2"
    & skf21("3","3","5","4","5","4","3","1") = "4"
    & skf21("3","3","5","4","5","4","4","1") = "4"
    & skf21("3","3","5","4","5","4","5","1") = "4"
    & skf21("3","3","5","4","5","4","6","1") = "5"
    & skf21("3","3","5","4","5","4","7","1") = "6"
    & skf21("3","3","5","4","5","5","1","1") = "4"
    & skf21("3","3","5","4","5","5","2","1") = "4"
    & skf21("3","3","5","4","5","5","3","1") = "2"
    & skf21("3","3","5","4","5","5","4","1") = "4"
    & skf21("3","3","5","4","5","5","5","1") = "2"
    & skf21("3","3","5","4","5","5","6","1") = "5"
    & skf21("3","3","5","4","5","5","7","1") = "6"
    & skf21("3","3","5","4","5","6","1","1") = "5"
    & skf21("3","3","5","4","5","6","2","1") = "5"
    & skf21("3","3","5","4","5","6","3","1") = "5"
    & skf21("3","3","5","4","5","6","4","1") = "5"
    & skf21("3","3","5","4","5","6","5","1") = "5"
    & skf21("3","3","5","4","5","6","6","1") = "5"
    & skf21("3","3","5","4","5","6","7","1") = "6"
    & skf21("3","3","5","4","5","7","1","1") = "6"
    & skf21("3","3","5","4","5","7","2","1") = "6"
    & skf21("3","3","5","4","5","7","3","1") = "6"
    & skf21("3","3","5","4","5","7","4","1") = "6"
    & skf21("3","3","5","4","5","7","5","1") = "6"
    & skf21("3","3","5","4","5","7","6","1") = "6"
    & skf21("3","3","5","4","5","7","7","1") = "6"
    & skf21("3","3","5","4","6","1","1","1") = "5"
    & skf21("3","3","5","4","6","1","2","1") = "5"
    & skf21("3","3","5","4","6","1","3","1") = "5"
    & skf21("3","3","5","4","6","1","4","1") = "5"
    & skf21("3","3","5","4","6","1","5","1") = "5"
    & skf21("3","3","5","4","6","1","6","1") = "5"
    & skf21("3","3","5","4","6","1","7","1") = "6"
    & skf21("3","3","5","4","6","2","1","1") = "5"
    & skf21("3","3","5","4","6","2","2","1") = "5"
    & skf21("3","3","5","4","6","2","3","1") = "5"
    & skf21("3","3","5","4","6","2","4","1") = "5"
    & skf21("3","3","5","4","6","2","5","1") = "5"
    & skf21("3","3","5","4","6","2","6","1") = "5"
    & skf21("3","3","5","4","6","2","7","1") = "6"
    & skf21("3","3","5","4","6","3","1","1") = "5"
    & skf21("3","3","5","4","6","3","2","1") = "5"
    & skf21("3","3","5","4","6","3","3","1") = "5"
    & skf21("3","3","5","4","6","3","4","1") = "5"
    & skf21("3","3","5","4","6","3","5","1") = "5"
    & skf21("3","3","5","4","6","3","6","1") = "5"
    & skf21("3","3","5","4","6","3","7","1") = "6"
    & skf21("3","3","5","4","6","4","1","1") = "5"
    & skf21("3","3","5","4","6","4","2","1") = "5"
    & skf21("3","3","5","4","6","4","3","1") = "5"
    & skf21("3","3","5","4","6","4","4","1") = "5"
    & skf21("3","3","5","4","6","4","5","1") = "5"
    & skf21("3","3","5","4","6","4","6","1") = "5"
    & skf21("3","3","5","4","6","4","7","1") = "6"
    & skf21("3","3","5","4","6","5","1","1") = "5"
    & skf21("3","3","5","4","6","5","2","1") = "5"
    & skf21("3","3","5","4","6","5","3","1") = "5"
    & skf21("3","3","5","4","6","5","4","1") = "5"
    & skf21("3","3","5","4","6","5","5","1") = "5"
    & skf21("3","3","5","4","6","5","6","1") = "5"
    & skf21("3","3","5","4","6","5","7","1") = "6"
    & skf21("3","3","5","4","6","6","1","1") = "5"
    & skf21("3","3","5","4","6","6","2","1") = "5"
    & skf21("3","3","5","4","6","6","3","1") = "5"
    & skf21("3","3","5","4","6","6","4","1") = "5"
    & skf21("3","3","5","4","6","6","5","1") = "5"
    & skf21("3","3","5","4","6","6","6","1") = "5"
    & skf21("3","3","5","4","6","6","7","1") = "6"
    & skf21("3","3","5","4","6","7","1","1") = "6"
    & skf21("3","3","5","4","6","7","2","1") = "6"
    & skf21("3","3","5","4","6","7","3","1") = "6"
    & skf21("3","3","5","4","6","7","4","1") = "6"
    & skf21("3","3","5","4","6","7","5","1") = "6"
    & skf21("3","3","5","4","6","7","6","1") = "6"
    & skf21("3","3","5","4","6","7","7","1") = "6"
    & skf21("3","3","5","4","7","1","1","1") = "6"
    & skf21("3","3","5","4","7","1","2","1") = "6"
    & skf21("3","3","5","4","7","1","3","1") = "6"
    & skf21("3","3","5","4","7","1","4","1") = "6"
    & skf21("3","3","5","4","7","1","5","1") = "6"
    & skf21("3","3","5","4","7","1","6","1") = "6"
    & skf21("3","3","5","4","7","1","7","1") = "6"
    & skf21("3","3","5","4","7","2","1","1") = "6"
    & skf21("3","3","5","4","7","2","2","1") = "6"
    & skf21("3","3","5","4","7","2","3","1") = "6"
    & skf21("3","3","5","4","7","2","4","1") = "6"
    & skf21("3","3","5","4","7","2","5","1") = "6"
    & skf21("3","3","5","4","7","2","6","1") = "6"
    & skf21("3","3","5","4","7","2","7","1") = "6"
    & skf21("3","3","5","4","7","3","1","1") = "6"
    & skf21("3","3","5","4","7","3","2","1") = "6"
    & skf21("3","3","5","4","7","3","3","1") = "6"
    & skf21("3","3","5","4","7","3","4","1") = "6"
    & skf21("3","3","5","4","7","3","5","1") = "6"
    & skf21("3","3","5","4","7","3","6","1") = "6"
    & skf21("3","3","5","4","7","3","7","1") = "6"
    & skf21("3","3","5","4","7","4","1","1") = "6"
    & skf21("3","3","5","4","7","4","2","1") = "6"
    & skf21("3","3","5","4","7","4","3","1") = "6"
    & skf21("3","3","5","4","7","4","4","1") = "6"
    & skf21("3","3","5","4","7","4","5","1") = "6"
    & skf21("3","3","5","4","7","4","6","1") = "6"
    & skf21("3","3","5","4","7","4","7","1") = "6"
    & skf21("3","3","5","4","7","5","1","1") = "6"
    & skf21("3","3","5","4","7","5","2","1") = "6"
    & skf21("3","3","5","4","7","5","3","1") = "6"
    & skf21("3","3","5","4","7","5","4","1") = "6"
    & skf21("3","3","5","4","7","5","5","1") = "6"
    & skf21("3","3","5","4","7","5","6","1") = "6"
    & skf21("3","3","5","4","7","5","7","1") = "6"
    & skf21("3","3","5","4","7","6","1","1") = "6"
    & skf21("3","3","5","4","7","6","2","1") = "6"
    & skf21("3","3","5","4","7","6","3","1") = "6"
    & skf21("3","3","5","4","7","6","4","1") = "6"
    & skf21("3","3","5","4","7","6","5","1") = "6"
    & skf21("3","3","5","4","7","6","6","1") = "6"
    & skf21("3","3","5","4","7","6","7","1") = "6"
    & skf21("3","3","5","4","7","7","1","1") = "6"
    & skf21("3","3","5","4","7","7","2","1") = "6"
    & skf21("3","3","5","4","7","7","3","1") = "6"
    & skf21("3","3","5","4","7","7","4","1") = "6"
    & skf21("3","3","5","4","7","7","5","1") = "6"
    & skf21("3","3","5","4","7","7","6","1") = "6"
    & skf21("3","3","5","4","7","7","7","1") = "6"
    & skf21("3","3","5","5","1","1","1","1") = "4"
    & skf21("3","3","5","5","1","1","2","1") = "4"
    & skf21("3","3","5","5","1","1","3","1") = "2"
    & skf21("3","3","5","5","1","1","4","1") = "4"
    & skf21("3","3","5","5","1","1","5","1") = "2"
    & skf21("3","3","5","5","1","1","6","1") = "5"
    & skf21("3","3","5","5","1","1","7","1") = "6"
    & skf21("3","3","5","5","1","2","1","1") = "4"
    & skf21("3","3","5","5","1","2","2","1") = "4"
    & skf21("3","3","5","5","1","2","3","1") = "2"
    & skf21("3","3","5","5","1","2","4","1") = "4"
    & skf21("3","3","5","5","1","2","5","1") = "2"
    & skf21("3","3","5","5","1","2","6","1") = "5"
    & skf21("3","3","5","5","1","2","7","1") = "6"
    & skf21("3","3","5","5","1","3","1","1") = "4"
    & skf21("3","3","5","5","1","3","2","1") = "4"
    & skf21("3","3","5","5","1","3","3","1") = "4"
    & skf21("3","3","5","5","1","3","4","1") = "4"
    & skf21("3","3","5","5","1","3","5","1") = "4"
    & skf21("3","3","5","5","1","3","6","1") = "5"
    & skf21("3","3","5","5","1","3","7","1") = "6"
    & skf21("3","3","5","5","1","4","1","1") = "4"
    & skf21("3","3","5","5","1","4","2","1") = "4"
    & skf21("3","3","5","5","1","4","3","1") = "4"
    & skf21("3","3","5","5","1","4","4","1") = "4"
    & skf21("3","3","5","5","1","4","5","1") = "4"
    & skf21("3","3","5","5","1","4","6","1") = "5"
    & skf21("3","3","5","5","1","4","7","1") = "6"
    & skf21("3","3","5","5","1","5","1","1") = "4"
    & skf21("3","3","5","5","1","5","2","1") = "4"
    & skf21("3","3","5","5","1","5","3","1") = "4"
    & skf21("3","3","5","5","1","5","4","1") = "4"
    & skf21("3","3","5","5","1","5","5","1") = "4"
    & skf21("3","3","5","5","1","5","6","1") = "5"
    & skf21("3","3","5","5","1","5","7","1") = "6"
    & skf21("3","3","5","5","1","6","1","1") = "5"
    & skf21("3","3","5","5","1","6","2","1") = "5"
    & skf21("3","3","5","5","1","6","3","1") = "5"
    & skf21("3","3","5","5","1","6","4","1") = "5"
    & skf21("3","3","5","5","1","6","5","1") = "5"
    & skf21("3","3","5","5","1","6","6","1") = "5"
    & skf21("3","3","5","5","1","6","7","1") = "6"
    & skf21("3","3","5","5","1","7","1","1") = "6"
    & skf21("3","3","5","5","1","7","2","1") = "6"
    & skf21("3","3","5","5","1","7","3","1") = "6"
    & skf21("3","3","5","5","1","7","4","1") = "6"
    & skf21("3","3","5","5","1","7","5","1") = "6"
    & skf21("3","3","5","5","1","7","6","1") = "6"
    & skf21("3","3","5","5","1","7","7","1") = "6"
    & skf21("3","3","5","5","2","1","1","1") = "4"
    & skf21("3","3","5","5","2","1","2","1") = "4"
    & skf21("3","3","5","5","2","1","3","1") = "4"
    & skf21("3","3","5","5","2","1","4","1") = "4"
    & skf21("3","3","5","5","2","1","5","1") = "4"
    & skf21("3","3","5","5","2","1","6","1") = "5"
    & skf21("3","3","5","5","2","1","7","1") = "6"
    & skf21("3","3","5","5","2","2","1","1") = "4"
    & skf21("3","3","5","5","2","2","2","1") = "4"
    & skf21("3","3","5","5","2","2","3","1") = "4"
    & skf21("3","3","5","5","2","2","4","1") = "4"
    & skf21("3","3","5","5","2","2","5","1") = "4"
    & skf21("3","3","5","5","2","2","6","1") = "5"
    & skf21("3","3","5","5","2","2","7","1") = "6"
    & skf21("3","3","5","5","2","3","1","1") = "4"
    & skf21("3","3","5","5","2","3","2","1") = "4"
    & skf21("3","3","5","5","2","3","3","1") = "4"
    & skf21("3","3","5","5","2","3","4","1") = "4"
    & skf21("3","3","5","5","2","3","5","1") = "4"
    & skf21("3","3","5","5","2","3","6","1") = "5"
    & skf21("3","3","5","5","2","3","7","1") = "6"
    & skf21("3","3","5","5","2","4","1","1") = "4"
    & skf21("3","3","5","5","2","4","2","1") = "4"
    & skf21("3","3","5","5","2","4","3","1") = "4"
    & skf21("3","3","5","5","2","4","4","1") = "4"
    & skf21("3","3","5","5","2","4","5","1") = "4"
    & skf21("3","3","5","5","2","4","6","1") = "5"
    & skf21("3","3","5","5","2","4","7","1") = "6"
    & skf21("3","3","5","5","2","5","1","1") = "4"
    & skf21("3","3","5","5","2","5","2","1") = "4"
    & skf21("3","3","5","5","2","5","3","1") = "4"
    & skf21("3","3","5","5","2","5","4","1") = "4"
    & skf21("3","3","5","5","2","5","5","1") = "4"
    & skf21("3","3","5","5","2","5","6","1") = "5"
    & skf21("3","3","5","5","2","5","7","1") = "6"
    & skf21("3","3","5","5","2","6","1","1") = "5"
    & skf21("3","3","5","5","2","6","2","1") = "5"
    & skf21("3","3","5","5","2","6","3","1") = "5"
    & skf21("3","3","5","5","2","6","4","1") = "5"
    & skf21("3","3","5","5","2","6","5","1") = "5"
    & skf21("3","3","5","5","2","6","6","1") = "5"
    & skf21("3","3","5","5","2","6","7","1") = "6"
    & skf21("3","3","5","5","2","7","1","1") = "6"
    & skf21("3","3","5","5","2","7","2","1") = "6"
    & skf21("3","3","5","5","2","7","3","1") = "6"
    & skf21("3","3","5","5","2","7","4","1") = "6"
    & skf21("3","3","5","5","2","7","5","1") = "6"
    & skf21("3","3","5","5","2","7","6","1") = "6"
    & skf21("3","3","5","5","2","7","7","1") = "6"
    & skf21("3","3","5","5","3","1","1","1") = "4"
    & skf21("3","3","5","5","3","1","2","1") = "4"
    & skf21("3","3","5","5","3","1","3","1") = "4"
    & skf21("3","3","5","5","3","1","4","1") = "4"
    & skf21("3","3","5","5","3","1","5","1") = "4"
    & skf21("3","3","5","5","3","1","6","1") = "5"
    & skf21("3","3","5","5","3","1","7","1") = "6"
    & skf21("3","3","5","5","3","2","1","1") = "4"
    & skf21("3","3","5","5","3","2","2","1") = "4"
    & skf21("3","3","5","5","3","2","3","1") = "4"
    & skf21("3","3","5","5","3","2","4","1") = "4"
    & skf21("3","3","5","5","3","2","5","1") = "4"
    & skf21("3","3","5","5","3","2","6","1") = "5"
    & skf21("3","3","5","5","3","2","7","1") = "6"
    & skf21("3","3","5","5","3","3","1","1") = "4"
    & skf21("3","3","5","5","3","3","2","1") = "4"
    & skf21("3","3","5","5","3","3","3","1") = "4"
    & skf21("3","3","5","5","3","3","4","1") = "4"
    & skf21("3","3","5","5","3","3","5","1") = "4"
    & skf21("3","3","5","5","3","3","6","1") = "5"
    & skf21("3","3","5","5","3","3","7","1") = "6"
    & skf21("3","3","5","5","3","4","1","1") = "4"
    & skf21("3","3","5","5","3","4","2","1") = "4"
    & skf21("3","3","5","5","3","4","3","1") = "4"
    & skf21("3","3","5","5","3","4","4","1") = "4"
    & skf21("3","3","5","5","3","4","5","1") = "4"
    & skf21("3","3","5","5","3","4","6","1") = "5"
    & skf21("3","3","5","5","3","4","7","1") = "6"
    & skf21("3","3","5","5","3","5","1","1") = "4"
    & skf21("3","3","5","5","3","5","2","1") = "4"
    & skf21("3","3","5","5","3","5","3","1") = "4"
    & skf21("3","3","5","5","3","5","4","1") = "4"
    & skf21("3","3","5","5","3","5","5","1") = "4"
    & skf21("3","3","5","5","3","5","6","1") = "5"
    & skf21("3","3","5","5","3","5","7","1") = "6"
    & skf21("3","3","5","5","3","6","1","1") = "5"
    & skf21("3","3","5","5","3","6","2","1") = "5"
    & skf21("3","3","5","5","3","6","3","1") = "5"
    & skf21("3","3","5","5","3","6","4","1") = "5"
    & skf21("3","3","5","5","3","6","5","1") = "5"
    & skf21("3","3","5","5","3","6","6","1") = "5"
    & skf21("3","3","5","5","3","6","7","1") = "6"
    & skf21("3","3","5","5","3","7","1","1") = "6"
    & skf21("3","3","5","5","3","7","2","1") = "6"
    & skf21("3","3","5","5","3","7","3","1") = "6"
    & skf21("3","3","5","5","3","7","4","1") = "6"
    & skf21("3","3","5","5","3","7","5","1") = "6"
    & skf21("3","3","5","5","3","7","6","1") = "6"
    & skf21("3","3","5","5","3","7","7","1") = "6"
    & skf21("3","3","5","5","4","1","1","1") = "4"
    & skf21("3","3","5","5","4","1","2","1") = "4"
    & skf21("3","3","5","5","4","1","3","1") = "4"
    & skf21("3","3","5","5","4","1","4","1") = "4"
    & skf21("3","3","5","5","4","1","5","1") = "4"
    & skf21("3","3","5","5","4","1","6","1") = "5"
    & skf21("3","3","5","5","4","1","7","1") = "6"
    & skf21("3","3","5","5","4","2","1","1") = "4"
    & skf21("3","3","5","5","4","2","2","1") = "4"
    & skf21("3","3","5","5","4","2","3","1") = "4"
    & skf21("3","3","5","5","4","2","4","1") = "4"
    & skf21("3","3","5","5","4","2","5","1") = "4"
    & skf21("3","3","5","5","4","2","6","1") = "5"
    & skf21("3","3","5","5","4","2","7","1") = "6"
    & skf21("3","3","5","5","4","3","1","1") = "4"
    & skf21("3","3","5","5","4","3","2","1") = "4"
    & skf21("3","3","5","5","4","3","3","1") = "4"
    & skf21("3","3","5","5","4","3","4","1") = "4"
    & skf21("3","3","5","5","4","3","5","1") = "4"
    & skf21("3","3","5","5","4","3","6","1") = "5"
    & skf21("3","3","5","5","4","3","7","1") = "6"
    & skf21("3","3","5","5","4","4","1","1") = "4"
    & skf21("3","3","5","5","4","4","2","1") = "4"
    & skf21("3","3","5","5","4","4","3","1") = "4"
    & skf21("3","3","5","5","4","4","4","1") = "4"
    & skf21("3","3","5","5","4","4","5","1") = "4"
    & skf21("3","3","5","5","4","4","6","1") = "5"
    & skf21("3","3","5","5","4","4","7","1") = "6"
    & skf21("3","3","5","5","4","5","1","1") = "4"
    & skf21("3","3","5","5","4","5","2","1") = "4"
    & skf21("3","3","5","5","4","5","3","1") = "4"
    & skf21("3","3","5","5","4","5","4","1") = "4"
    & skf21("3","3","5","5","4","5","5","1") = "4"
    & skf21("3","3","5","5","4","5","6","1") = "5"
    & skf21("3","3","5","5","4","5","7","1") = "6"
    & skf21("3","3","5","5","4","6","1","1") = "5"
    & skf21("3","3","5","5","4","6","2","1") = "5"
    & skf21("3","3","5","5","4","6","3","1") = "5"
    & skf21("3","3","5","5","4","6","4","1") = "5"
    & skf21("3","3","5","5","4","6","5","1") = "5"
    & skf21("3","3","5","5","4","6","6","1") = "5"
    & skf21("3","3","5","5","4","6","7","1") = "6"
    & skf21("3","3","5","5","4","7","1","1") = "6"
    & skf21("3","3","5","5","4","7","2","1") = "6"
    & skf21("3","3","5","5","4","7","3","1") = "6"
    & skf21("3","3","5","5","4","7","4","1") = "6"
    & skf21("3","3","5","5","4","7","5","1") = "6"
    & skf21("3","3","5","5","4","7","6","1") = "6"
    & skf21("3","3","5","5","4","7","7","1") = "6"
    & skf21("3","3","5","5","5","1","1","1") = "4"
    & skf21("3","3","5","5","5","1","2","1") = "4"
    & skf21("3","3","5","5","5","1","3","1") = "4"
    & skf21("3","3","5","5","5","1","4","1") = "4"
    & skf21("3","3","5","5","5","1","5","1") = "4"
    & skf21("3","3","5","5","5","1","6","1") = "5"
    & skf21("3","3","5","5","5","1","7","1") = "6"
    & skf21("3","3","5","5","5","2","1","1") = "4"
    & skf21("3","3","5","5","5","2","2","1") = "4"
    & skf21("3","3","5","5","5","2","3","1") = "4"
    & skf21("3","3","5","5","5","2","4","1") = "4"
    & skf21("3","3","5","5","5","2","5","1") = "4"
    & skf21("3","3","5","5","5","2","6","1") = "5"
    & skf21("3","3","5","5","5","2","7","1") = "6"
    & skf21("3","3","5","5","5","3","1","1") = "4"
    & skf21("3","3","5","5","5","3","2","1") = "4"
    & skf21("3","3","5","5","5","3","3","1") = "4"
    & skf21("3","3","5","5","5","3","4","1") = "4"
    & skf21("3","3","5","5","5","3","5","1") = "4"
    & skf21("3","3","5","5","5","3","6","1") = "5"
    & skf21("3","3","5","5","5","3","7","1") = "6"
    & skf21("3","3","5","5","5","4","1","1") = "4"
    & skf21("3","3","5","5","5","4","2","1") = "4"
    & skf21("3","3","5","5","5","4","3","1") = "4"
    & skf21("3","3","5","5","5","4","4","1") = "4"
    & skf21("3","3","5","5","5","4","5","1") = "4"
    & skf21("3","3","5","5","5","4","6","1") = "5"
    & skf21("3","3","5","5","5","4","7","1") = "6"
    & skf21("3","3","5","5","5","5","1","1") = "4"
    & skf21("3","3","5","5","5","5","2","1") = "4"
    & skf21("3","3","5","5","5","5","3","1") = "4"
    & skf21("3","3","5","5","5","5","4","1") = "4"
    & skf21("3","3","5","5","5","5","5","1") = "4"
    & skf21("3","3","5","5","5","5","6","1") = "5"
    & skf21("3","3","5","5","5","5","7","1") = "6"
    & skf21("3","3","5","5","5","6","1","1") = "5"
    & skf21("3","3","5","5","5","6","2","1") = "5"
    & skf21("3","3","5","5","5","6","3","1") = "5"
    & skf21("3","3","5","5","5","6","4","1") = "5"
    & skf21("3","3","5","5","5","6","5","1") = "5"
    & skf21("3","3","5","5","5","6","6","1") = "5"
    & skf21("3","3","5","5","5","6","7","1") = "6"
    & skf21("3","3","5","5","5","7","1","1") = "6"
    & skf21("3","3","5","5","5","7","2","1") = "6"
    & skf21("3","3","5","5","5","7","3","1") = "6"
    & skf21("3","3","5","5","5","7","4","1") = "6"
    & skf21("3","3","5","5","5","7","5","1") = "6"
    & skf21("3","3","5","5","5","7","6","1") = "6"
    & skf21("3","3","5","5","5","7","7","1") = "6"
    & skf21("3","3","5","5","6","1","1","1") = "5"
    & skf21("3","3","5","5","6","1","2","1") = "5"
    & skf21("3","3","5","5","6","1","3","1") = "5"
    & skf21("3","3","5","5","6","1","4","1") = "5"
    & skf21("3","3","5","5","6","1","5","1") = "5"
    & skf21("3","3","5","5","6","1","6","1") = "5"
    & skf21("3","3","5","5","6","1","7","1") = "6"
    & skf21("3","3","5","5","6","2","1","1") = "5"
    & skf21("3","3","5","5","6","2","2","1") = "5"
    & skf21("3","3","5","5","6","2","3","1") = "5"
    & skf21("3","3","5","5","6","2","4","1") = "5"
    & skf21("3","3","5","5","6","2","5","1") = "5"
    & skf21("3","3","5","5","6","2","6","1") = "5"
    & skf21("3","3","5","5","6","2","7","1") = "6"
    & skf21("3","3","5","5","6","3","1","1") = "5"
    & skf21("3","3","5","5","6","3","2","1") = "5"
    & skf21("3","3","5","5","6","3","3","1") = "5"
    & skf21("3","3","5","5","6","3","4","1") = "5"
    & skf21("3","3","5","5","6","3","5","1") = "5"
    & skf21("3","3","5","5","6","3","6","1") = "5"
    & skf21("3","3","5","5","6","3","7","1") = "6"
    & skf21("3","3","5","5","6","4","1","1") = "5"
    & skf21("3","3","5","5","6","4","2","1") = "5"
    & skf21("3","3","5","5","6","4","3","1") = "5"
    & skf21("3","3","5","5","6","4","4","1") = "5"
    & skf21("3","3","5","5","6","4","5","1") = "5"
    & skf21("3","3","5","5","6","4","6","1") = "5"
    & skf21("3","3","5","5","6","4","7","1") = "6"
    & skf21("3","3","5","5","6","5","1","1") = "5"
    & skf21("3","3","5","5","6","5","2","1") = "5"
    & skf21("3","3","5","5","6","5","3","1") = "5"
    & skf21("3","3","5","5","6","5","4","1") = "5"
    & skf21("3","3","5","5","6","5","5","1") = "5"
    & skf21("3","3","5","5","6","5","6","1") = "5"
    & skf21("3","3","5","5","6","5","7","1") = "6"
    & skf21("3","3","5","5","6","6","1","1") = "5"
    & skf21("3","3","5","5","6","6","2","1") = "5"
    & skf21("3","3","5","5","6","6","3","1") = "5"
    & skf21("3","3","5","5","6","6","4","1") = "5"
    & skf21("3","3","5","5","6","6","5","1") = "5"
    & skf21("3","3","5","5","6","6","6","1") = "5"
    & skf21("3","3","5","5","6","6","7","1") = "6"
    & skf21("3","3","5","5","6","7","1","1") = "6"
    & skf21("3","3","5","5","6","7","2","1") = "6"
    & skf21("3","3","5","5","6","7","3","1") = "6"
    & skf21("3","3","5","5","6","7","4","1") = "6"
    & skf21("3","3","5","5","6","7","5","1") = "6"
    & skf21("3","3","5","5","6","7","6","1") = "6"
    & skf21("3","3","5","5","6","7","7","1") = "6"
    & skf21("3","3","5","5","7","1","1","1") = "6"
    & skf21("3","3","5","5","7","1","2","1") = "6"
    & skf21("3","3","5","5","7","1","3","1") = "6"
    & skf21("3","3","5","5","7","1","4","1") = "6"
    & skf21("3","3","5","5","7","1","5","1") = "6"
    & skf21("3","3","5","5","7","1","6","1") = "6"
    & skf21("3","3","5","5","7","1","7","1") = "6"
    & skf21("3","3","5","5","7","2","1","1") = "6"
    & skf21("3","3","5","5","7","2","2","1") = "6"
    & skf21("3","3","5","5","7","2","3","1") = "6"
    & skf21("3","3","5","5","7","2","4","1") = "6"
    & skf21("3","3","5","5","7","2","5","1") = "6"
    & skf21("3","3","5","5","7","2","6","1") = "6"
    & skf21("3","3","5","5","7","2","7","1") = "6"
    & skf21("3","3","5","5","7","3","1","1") = "6"
    & skf21("3","3","5","5","7","3","2","1") = "6"
    & skf21("3","3","5","5","7","3","3","1") = "6"
    & skf21("3","3","5","5","7","3","4","1") = "6"
    & skf21("3","3","5","5","7","3","5","1") = "6"
    & skf21("3","3","5","5","7","3","6","1") = "6"
    & skf21("3","3","5","5","7","3","7","1") = "6"
    & skf21("3","3","5","5","7","4","1","1") = "6"
    & skf21("3","3","5","5","7","4","2","1") = "6"
    & skf21("3","3","5","5","7","4","3","1") = "6"
    & skf21("3","3","5","5","7","4","4","1") = "6"
    & skf21("3","3","5","5","7","4","5","1") = "6"
    & skf21("3","3","5","5","7","4","6","1") = "6"
    & skf21("3","3","5","5","7","4","7","1") = "6"
    & skf21("3","3","5","5","7","5","1","1") = "6"
    & skf21("3","3","5","5","7","5","2","1") = "6"
    & skf21("3","3","5","5","7","5","3","1") = "6"
    & skf21("3","3","5","5","7","5","4","1") = "6"
    & skf21("3","3","5","5","7","5","5","1") = "6"
    & skf21("3","3","5","5","7","5","6","1") = "6"
    & skf21("3","3","5","5","7","5","7","1") = "6"
    & skf21("3","3","5","5","7","6","1","1") = "6"
    & skf21("3","3","5","5","7","6","2","1") = "6"
    & skf21("3","3","5","5","7","6","3","1") = "6"
    & skf21("3","3","5","5","7","6","4","1") = "6"
    & skf21("3","3","5","5","7","6","5","1") = "6"
    & skf21("3","3","5","5","7","6","6","1") = "6"
    & skf21("3","3","5","5","7","6","7","1") = "6"
    & skf21("3","3","5","5","7","7","1","1") = "6"
    & skf21("3","3","5","5","7","7","2","1") = "6"
    & skf21("3","3","5","5","7","7","3","1") = "6"
    & skf21("3","3","5","5","7","7","4","1") = "6"
    & skf21("3","3","5","5","7","7","5","1") = "6"
    & skf21("3","3","5","5","7","7","6","1") = "6"
    & skf21("3","3","5","5","7","7","7","1") = "6"
    & skf21("3","3","5","6","1","1","1","1") = "5"
    & skf21("3","3","5","6","1","1","2","1") = "5"
    & skf21("3","3","5","6","1","1","3","1") = "5"
    & skf21("3","3","5","6","1","1","4","1") = "5"
    & skf21("3","3","5","6","1","1","5","1") = "5"
    & skf21("3","3","5","6","1","1","6","1") = "5"
    & skf21("3","3","5","6","1","1","7","1") = "6"
    & skf21("3","3","5","6","1","2","1","1") = "5"
    & skf21("3","3","5","6","1","2","2","1") = "5"
    & skf21("3","3","5","6","1","2","3","1") = "5"
    & skf21("3","3","5","6","1","2","4","1") = "5"
    & skf21("3","3","5","6","1","2","5","1") = "5"
    & skf21("3","3","5","6","1","2","6","1") = "5"
    & skf21("3","3","5","6","1","2","7","1") = "6"
    & skf21("3","3","5","6","1","3","1","1") = "5"
    & skf21("3","3","5","6","1","3","2","1") = "5"
    & skf21("3","3","5","6","1","3","3","1") = "5"
    & skf21("3","3","5","6","1","3","4","1") = "5"
    & skf21("3","3","5","6","1","3","5","1") = "5"
    & skf21("3","3","5","6","1","3","6","1") = "5"
    & skf21("3","3","5","6","1","3","7","1") = "6"
    & skf21("3","3","5","6","1","4","1","1") = "5"
    & skf21("3","3","5","6","1","4","2","1") = "5"
    & skf21("3","3","5","6","1","4","3","1") = "5"
    & skf21("3","3","5","6","1","4","4","1") = "5"
    & skf21("3","3","5","6","1","4","5","1") = "5"
    & skf21("3","3","5","6","1","4","6","1") = "5"
    & skf21("3","3","5","6","1","4","7","1") = "6"
    & skf21("3","3","5","6","1","5","1","1") = "5"
    & skf21("3","3","5","6","1","5","2","1") = "5"
    & skf21("3","3","5","6","1","5","3","1") = "5"
    & skf21("3","3","5","6","1","5","4","1") = "5"
    & skf21("3","3","5","6","1","5","5","1") = "5"
    & skf21("3","3","5","6","1","5","6","1") = "5"
    & skf21("3","3","5","6","1","5","7","1") = "6"
    & skf21("3","3","5","6","1","6","1","1") = "5"
    & skf21("3","3","5","6","1","6","2","1") = "5"
    & skf21("3","3","5","6","1","6","3","1") = "5"
    & skf21("3","3","5","6","1","6","4","1") = "5"
    & skf21("3","3","5","6","1","6","5","1") = "5"
    & skf21("3","3","5","6","1","6","6","1") = "5"
    & skf21("3","3","5","6","1","6","7","1") = "6"
    & skf21("3","3","5","6","1","7","1","1") = "6"
    & skf21("3","3","5","6","1","7","2","1") = "6"
    & skf21("3","3","5","6","1","7","3","1") = "6"
    & skf21("3","3","5","6","1","7","4","1") = "6"
    & skf21("3","3","5","6","1","7","5","1") = "6"
    & skf21("3","3","5","6","1","7","6","1") = "6"
    & skf21("3","3","5","6","1","7","7","1") = "6"
    & skf21("3","3","5","6","2","1","1","1") = "5"
    & skf21("3","3","5","6","2","1","2","1") = "5"
    & skf21("3","3","5","6","2","1","3","1") = "5"
    & skf21("3","3","5","6","2","1","4","1") = "5"
    & skf21("3","3","5","6","2","1","5","1") = "5"
    & skf21("3","3","5","6","2","1","6","1") = "5"
    & skf21("3","3","5","6","2","1","7","1") = "6"
    & skf21("3","3","5","6","2","2","1","1") = "5"
    & skf21("3","3","5","6","2","2","2","1") = "5"
    & skf21("3","3","5","6","2","2","3","1") = "5"
    & skf21("3","3","5","6","2","2","4","1") = "5"
    & skf21("3","3","5","6","2","2","5","1") = "5"
    & skf21("3","3","5","6","2","2","6","1") = "5"
    & skf21("3","3","5","6","2","2","7","1") = "6"
    & skf21("3","3","5","6","2","3","1","1") = "5"
    & skf21("3","3","5","6","2","3","2","1") = "5"
    & skf21("3","3","5","6","2","3","3","1") = "5"
    & skf21("3","3","5","6","2","3","4","1") = "5"
    & skf21("3","3","5","6","2","3","5","1") = "5"
    & skf21("3","3","5","6","2","3","6","1") = "5"
    & skf21("3","3","5","6","2","3","7","1") = "6"
    & skf21("3","3","5","6","2","4","1","1") = "5"
    & skf21("3","3","5","6","2","4","2","1") = "5"
    & skf21("3","3","5","6","2","4","3","1") = "5"
    & skf21("3","3","5","6","2","4","4","1") = "5"
    & skf21("3","3","5","6","2","4","5","1") = "5"
    & skf21("3","3","5","6","2","4","6","1") = "5"
    & skf21("3","3","5","6","2","4","7","1") = "6"
    & skf21("3","3","5","6","2","5","1","1") = "5"
    & skf21("3","3","5","6","2","5","2","1") = "5"
    & skf21("3","3","5","6","2","5","3","1") = "5"
    & skf21("3","3","5","6","2","5","4","1") = "5"
    & skf21("3","3","5","6","2","5","5","1") = "5"
    & skf21("3","3","5","6","2","5","6","1") = "5"
    & skf21("3","3","5","6","2","5","7","1") = "6"
    & skf21("3","3","5","6","2","6","1","1") = "5"
    & skf21("3","3","5","6","2","6","2","1") = "5"
    & skf21("3","3","5","6","2","6","3","1") = "5"
    & skf21("3","3","5","6","2","6","4","1") = "5"
    & skf21("3","3","5","6","2","6","5","1") = "5"
    & skf21("3","3","5","6","2","6","6","1") = "5"
    & skf21("3","3","5","6","2","6","7","1") = "6"
    & skf21("3","3","5","6","2","7","1","1") = "6"
    & skf21("3","3","5","6","2","7","2","1") = "6"
    & skf21("3","3","5","6","2","7","3","1") = "6"
    & skf21("3","3","5","6","2","7","4","1") = "6"
    & skf21("3","3","5","6","2","7","5","1") = "6"
    & skf21("3","3","5","6","2","7","6","1") = "6"
    & skf21("3","3","5","6","2","7","7","1") = "6"
    & skf21("3","3","5","6","3","1","1","1") = "5"
    & skf21("3","3","5","6","3","1","2","1") = "5"
    & skf21("3","3","5","6","3","1","3","1") = "5"
    & skf21("3","3","5","6","3","1","4","1") = "5"
    & skf21("3","3","5","6","3","1","5","1") = "5"
    & skf21("3","3","5","6","3","1","6","1") = "5"
    & skf21("3","3","5","6","3","1","7","1") = "6"
    & skf21("3","3","5","6","3","2","1","1") = "5"
    & skf21("3","3","5","6","3","2","2","1") = "5"
    & skf21("3","3","5","6","3","2","3","1") = "5"
    & skf21("3","3","5","6","3","2","4","1") = "5"
    & skf21("3","3","5","6","3","2","5","1") = "5"
    & skf21("3","3","5","6","3","2","6","1") = "5"
    & skf21("3","3","5","6","3","2","7","1") = "6"
    & skf21("3","3","5","6","3","3","1","1") = "5"
    & skf21("3","3","5","6","3","3","2","1") = "5"
    & skf21("3","3","5","6","3","3","3","1") = "5"
    & skf21("3","3","5","6","3","3","4","1") = "5"
    & skf21("3","3","5","6","3","3","5","1") = "5"
    & skf21("3","3","5","6","3","3","6","1") = "5"
    & skf21("3","3","5","6","3","3","7","1") = "6"
    & skf21("3","3","5","6","3","4","1","1") = "5"
    & skf21("3","3","5","6","3","4","2","1") = "5"
    & skf21("3","3","5","6","3","4","3","1") = "5"
    & skf21("3","3","5","6","3","4","4","1") = "5"
    & skf21("3","3","5","6","3","4","5","1") = "5"
    & skf21("3","3","5","6","3","4","6","1") = "5"
    & skf21("3","3","5","6","3","4","7","1") = "6"
    & skf21("3","3","5","6","3","5","1","1") = "5"
    & skf21("3","3","5","6","3","5","2","1") = "5"
    & skf21("3","3","5","6","3","5","3","1") = "5"
    & skf21("3","3","5","6","3","5","4","1") = "5"
    & skf21("3","3","5","6","3","5","5","1") = "5"
    & skf21("3","3","5","6","3","5","6","1") = "5"
    & skf21("3","3","5","6","3","5","7","1") = "6"
    & skf21("3","3","5","6","3","6","1","1") = "5"
    & skf21("3","3","5","6","3","6","2","1") = "5"
    & skf21("3","3","5","6","3","6","3","1") = "5"
    & skf21("3","3","5","6","3","6","4","1") = "5"
    & skf21("3","3","5","6","3","6","5","1") = "5"
    & skf21("3","3","5","6","3","6","6","1") = "5"
    & skf21("3","3","5","6","3","6","7","1") = "6"
    & skf21("3","3","5","6","3","7","1","1") = "6"
    & skf21("3","3","5","6","3","7","2","1") = "6"
    & skf21("3","3","5","6","3","7","3","1") = "6"
    & skf21("3","3","5","6","3","7","4","1") = "6"
    & skf21("3","3","5","6","3","7","5","1") = "6"
    & skf21("3","3","5","6","3","7","6","1") = "6"
    & skf21("3","3","5","6","3","7","7","1") = "6"
    & skf21("3","3","5","6","4","1","1","1") = "5"
    & skf21("3","3","5","6","4","1","2","1") = "5"
    & skf21("3","3","5","6","4","1","3","1") = "5"
    & skf21("3","3","5","6","4","1","4","1") = "5"
    & skf21("3","3","5","6","4","1","5","1") = "5"
    & skf21("3","3","5","6","4","1","6","1") = "5"
    & skf21("3","3","5","6","4","1","7","1") = "6"
    & skf21("3","3","5","6","4","2","1","1") = "5"
    & skf21("3","3","5","6","4","2","2","1") = "5"
    & skf21("3","3","5","6","4","2","3","1") = "5"
    & skf21("3","3","5","6","4","2","4","1") = "5"
    & skf21("3","3","5","6","4","2","5","1") = "5"
    & skf21("3","3","5","6","4","2","6","1") = "5"
    & skf21("3","3","5","6","4","2","7","1") = "6"
    & skf21("3","3","5","6","4","3","1","1") = "5"
    & skf21("3","3","5","6","4","3","2","1") = "5"
    & skf21("3","3","5","6","4","3","3","1") = "5"
    & skf21("3","3","5","6","4","3","4","1") = "5"
    & skf21("3","3","5","6","4","3","5","1") = "5"
    & skf21("3","3","5","6","4","3","6","1") = "5"
    & skf21("3","3","5","6","4","3","7","1") = "6"
    & skf21("3","3","5","6","4","4","1","1") = "5"
    & skf21("3","3","5","6","4","4","2","1") = "5"
    & skf21("3","3","5","6","4","4","3","1") = "5"
    & skf21("3","3","5","6","4","4","4","1") = "5"
    & skf21("3","3","5","6","4","4","5","1") = "5"
    & skf21("3","3","5","6","4","4","6","1") = "5"
    & skf21("3","3","5","6","4","4","7","1") = "6"
    & skf21("3","3","5","6","4","5","1","1") = "5"
    & skf21("3","3","5","6","4","5","2","1") = "5"
    & skf21("3","3","5","6","4","5","3","1") = "5"
    & skf21("3","3","5","6","4","5","4","1") = "5"
    & skf21("3","3","5","6","4","5","5","1") = "5"
    & skf21("3","3","5","6","4","5","6","1") = "5"
    & skf21("3","3","5","6","4","5","7","1") = "6"
    & skf21("3","3","5","6","4","6","1","1") = "5"
    & skf21("3","3","5","6","4","6","2","1") = "5"
    & skf21("3","3","5","6","4","6","3","1") = "5"
    & skf21("3","3","5","6","4","6","4","1") = "5"
    & skf21("3","3","5","6","4","6","5","1") = "5"
    & skf21("3","3","5","6","4","6","6","1") = "5"
    & skf21("3","3","5","6","4","6","7","1") = "6"
    & skf21("3","3","5","6","4","7","1","1") = "6"
    & skf21("3","3","5","6","4","7","2","1") = "6"
    & skf21("3","3","5","6","4","7","3","1") = "6"
    & skf21("3","3","5","6","4","7","4","1") = "6"
    & skf21("3","3","5","6","4","7","5","1") = "6"
    & skf21("3","3","5","6","4","7","6","1") = "6"
    & skf21("3","3","5","6","4","7","7","1") = "6"
    & skf21("3","3","5","6","5","1","1","1") = "5"
    & skf21("3","3","5","6","5","1","2","1") = "5"
    & skf21("3","3","5","6","5","1","3","1") = "5"
    & skf21("3","3","5","6","5","1","4","1") = "5"
    & skf21("3","3","5","6","5","1","5","1") = "5"
    & skf21("3","3","5","6","5","1","6","1") = "5"
    & skf21("3","3","5","6","5","1","7","1") = "6"
    & skf21("3","3","5","6","5","2","1","1") = "5"
    & skf21("3","3","5","6","5","2","2","1") = "5"
    & skf21("3","3","5","6","5","2","3","1") = "5"
    & skf21("3","3","5","6","5","2","4","1") = "5"
    & skf21("3","3","5","6","5","2","5","1") = "5"
    & skf21("3","3","5","6","5","2","6","1") = "5"
    & skf21("3","3","5","6","5","2","7","1") = "6"
    & skf21("3","3","5","6","5","3","1","1") = "5"
    & skf21("3","3","5","6","5","3","2","1") = "5"
    & skf21("3","3","5","6","5","3","3","1") = "5"
    & skf21("3","3","5","6","5","3","4","1") = "5"
    & skf21("3","3","5","6","5","3","5","1") = "5"
    & skf21("3","3","5","6","5","3","6","1") = "5"
    & skf21("3","3","5","6","5","3","7","1") = "6"
    & skf21("3","3","5","6","5","4","1","1") = "5"
    & skf21("3","3","5","6","5","4","2","1") = "5"
    & skf21("3","3","5","6","5","4","3","1") = "5"
    & skf21("3","3","5","6","5","4","4","1") = "5"
    & skf21("3","3","5","6","5","4","5","1") = "5"
    & skf21("3","3","5","6","5","4","6","1") = "5"
    & skf21("3","3","5","6","5","4","7","1") = "6"
    & skf21("3","3","5","6","5","5","1","1") = "5"
    & skf21("3","3","5","6","5","5","2","1") = "5"
    & skf21("3","3","5","6","5","5","3","1") = "5"
    & skf21("3","3","5","6","5","5","4","1") = "5"
    & skf21("3","3","5","6","5","5","5","1") = "5"
    & skf21("3","3","5","6","5","5","6","1") = "5"
    & skf21("3","3","5","6","5","5","7","1") = "6"
    & skf21("3","3","5","6","5","6","1","1") = "5"
    & skf21("3","3","5","6","5","6","2","1") = "5"
    & skf21("3","3","5","6","5","6","3","1") = "5"
    & skf21("3","3","5","6","5","6","4","1") = "5"
    & skf21("3","3","5","6","5","6","5","1") = "5"
    & skf21("3","3","5","6","5","6","6","1") = "5"
    & skf21("3","3","5","6","5","6","7","1") = "6"
    & skf21("3","3","5","6","5","7","1","1") = "6"
    & skf21("3","3","5","6","5","7","2","1") = "6"
    & skf21("3","3","5","6","5","7","3","1") = "6"
    & skf21("3","3","5","6","5","7","4","1") = "6"
    & skf21("3","3","5","6","5","7","5","1") = "6"
    & skf21("3","3","5","6","5","7","6","1") = "6"
    & skf21("3","3","5","6","5","7","7","1") = "6"
    & skf21("3","3","5","6","6","1","1","1") = "5"
    & skf21("3","3","5","6","6","1","2","1") = "5"
    & skf21("3","3","5","6","6","1","3","1") = "5"
    & skf21("3","3","5","6","6","1","4","1") = "5"
    & skf21("3","3","5","6","6","1","5","1") = "5"
    & skf21("3","3","5","6","6","1","6","1") = "5"
    & skf21("3","3","5","6","6","1","7","1") = "6"
    & skf21("3","3","5","6","6","2","1","1") = "5"
    & skf21("3","3","5","6","6","2","2","1") = "5"
    & skf21("3","3","5","6","6","2","3","1") = "5"
    & skf21("3","3","5","6","6","2","4","1") = "5"
    & skf21("3","3","5","6","6","2","5","1") = "5"
    & skf21("3","3","5","6","6","2","6","1") = "5"
    & skf21("3","3","5","6","6","2","7","1") = "6"
    & skf21("3","3","5","6","6","3","1","1") = "5"
    & skf21("3","3","5","6","6","3","2","1") = "5"
    & skf21("3","3","5","6","6","3","3","1") = "5"
    & skf21("3","3","5","6","6","3","4","1") = "5"
    & skf21("3","3","5","6","6","3","5","1") = "5"
    & skf21("3","3","5","6","6","3","6","1") = "5"
    & skf21("3","3","5","6","6","3","7","1") = "6"
    & skf21("3","3","5","6","6","4","1","1") = "5"
    & skf21("3","3","5","6","6","4","2","1") = "5"
    & skf21("3","3","5","6","6","4","3","1") = "5"
    & skf21("3","3","5","6","6","4","4","1") = "5"
    & skf21("3","3","5","6","6","4","5","1") = "5"
    & skf21("3","3","5","6","6","4","6","1") = "5"
    & skf21("3","3","5","6","6","4","7","1") = "6"
    & skf21("3","3","5","6","6","5","1","1") = "5"
    & skf21("3","3","5","6","6","5","2","1") = "5"
    & skf21("3","3","5","6","6","5","3","1") = "5"
    & skf21("3","3","5","6","6","5","4","1") = "5"
    & skf21("3","3","5","6","6","5","5","1") = "5"
    & skf21("3","3","5","6","6","5","6","1") = "5"
    & skf21("3","3","5","6","6","5","7","1") = "6"
    & skf21("3","3","5","6","6","6","1","1") = "5"
    & skf21("3","3","5","6","6","6","2","1") = "5"
    & skf21("3","3","5","6","6","6","3","1") = "5"
    & skf21("3","3","5","6","6","6","4","1") = "5"
    & skf21("3","3","5","6","6","6","5","1") = "5"
    & skf21("3","3","5","6","6","6","6","1") = "5"
    & skf21("3","3","5","6","6","6","7","1") = "6"
    & skf21("3","3","5","6","6","7","1","1") = "6"
    & skf21("3","3","5","6","6","7","2","1") = "6"
    & skf21("3","3","5","6","6","7","3","1") = "6"
    & skf21("3","3","5","6","6","7","4","1") = "6"
    & skf21("3","3","5","6","6","7","5","1") = "6"
    & skf21("3","3","5","6","6","7","6","1") = "6"
    & skf21("3","3","5","6","6","7","7","1") = "6"
    & skf21("3","3","5","6","7","1","1","1") = "6"
    & skf21("3","3","5","6","7","1","2","1") = "6"
    & skf21("3","3","5","6","7","1","3","1") = "6"
    & skf21("3","3","5","6","7","1","4","1") = "6"
    & skf21("3","3","5","6","7","1","5","1") = "6"
    & skf21("3","3","5","6","7","1","6","1") = "6"
    & skf21("3","3","5","6","7","1","7","1") = "6"
    & skf21("3","3","5","6","7","2","1","1") = "6"
    & skf21("3","3","5","6","7","2","2","1") = "6"
    & skf21("3","3","5","6","7","2","3","1") = "6"
    & skf21("3","3","5","6","7","2","4","1") = "6"
    & skf21("3","3","5","6","7","2","5","1") = "6"
    & skf21("3","3","5","6","7","2","6","1") = "6"
    & skf21("3","3","5","6","7","2","7","1") = "6"
    & skf21("3","3","5","6","7","3","1","1") = "6"
    & skf21("3","3","5","6","7","3","2","1") = "6"
    & skf21("3","3","5","6","7","3","3","1") = "6"
    & skf21("3","3","5","6","7","3","4","1") = "6"
    & skf21("3","3","5","6","7","3","5","1") = "6"
    & skf21("3","3","5","6","7","3","6","1") = "6"
    & skf21("3","3","5","6","7","3","7","1") = "6"
    & skf21("3","3","5","6","7","4","1","1") = "6"
    & skf21("3","3","5","6","7","4","2","1") = "6"
    & skf21("3","3","5","6","7","4","3","1") = "6"
    & skf21("3","3","5","6","7","4","4","1") = "6"
    & skf21("3","3","5","6","7","4","5","1") = "6"
    & skf21("3","3","5","6","7","4","6","1") = "6"
    & skf21("3","3","5","6","7","4","7","1") = "6"
    & skf21("3","3","5","6","7","5","1","1") = "6"
    & skf21("3","3","5","6","7","5","2","1") = "6"
    & skf21("3","3","5","6","7","5","3","1") = "6"
    & skf21("3","3","5","6","7","5","4","1") = "6"
    & skf21("3","3","5","6","7","5","5","1") = "6"
    & skf21("3","3","5","6","7","5","6","1") = "6"
    & skf21("3","3","5","6","7","5","7","1") = "6"
    & skf21("3","3","5","6","7","6","1","1") = "6"
    & skf21("3","3","5","6","7","6","2","1") = "6"
    & skf21("3","3","5","6","7","6","3","1") = "6"
    & skf21("3","3","5","6","7","6","4","1") = "6"
    & skf21("3","3","5","6","7","6","5","1") = "6"
    & skf21("3","3","5","6","7","6","6","1") = "6"
    & skf21("3","3","5","6","7","6","7","1") = "6"
    & skf21("3","3","5","6","7","7","1","1") = "6"
    & skf21("3","3","5","6","7","7","2","1") = "6"
    & skf21("3","3","5","6","7","7","3","1") = "6"
    & skf21("3","3","5","6","7","7","4","1") = "6"
    & skf21("3","3","5","6","7","7","5","1") = "6"
    & skf21("3","3","5","6","7","7","6","1") = "6"
    & skf21("3","3","5","6","7","7","7","1") = "6"
    & skf21("3","3","5","7","1","1","1","1") = "6"
    & skf21("3","3","5","7","1","1","2","1") = "6"
    & skf21("3","3","5","7","1","1","3","1") = "6"
    & skf21("3","3","5","7","1","1","4","1") = "6"
    & skf21("3","3","5","7","1","1","5","1") = "6"
    & skf21("3","3","5","7","1","1","6","1") = "6"
    & skf21("3","3","5","7","1","1","7","1") = "6"
    & skf21("3","3","5","7","1","2","1","1") = "6"
    & skf21("3","3","5","7","1","2","2","1") = "6"
    & skf21("3","3","5","7","1","2","3","1") = "6"
    & skf21("3","3","5","7","1","2","4","1") = "6"
    & skf21("3","3","5","7","1","2","5","1") = "6"
    & skf21("3","3","5","7","1","2","6","1") = "6"
    & skf21("3","3","5","7","1","2","7","1") = "6"
    & skf21("3","3","5","7","1","3","1","1") = "6"
    & skf21("3","3","5","7","1","3","2","1") = "6"
    & skf21("3","3","5","7","1","3","3","1") = "6"
    & skf21("3","3","5","7","1","3","4","1") = "6"
    & skf21("3","3","5","7","1","3","5","1") = "6"
    & skf21("3","3","5","7","1","3","6","1") = "6"
    & skf21("3","3","5","7","1","3","7","1") = "6"
    & skf21("3","3","5","7","1","4","1","1") = "6"
    & skf21("3","3","5","7","1","4","2","1") = "6"
    & skf21("3","3","5","7","1","4","3","1") = "6"
    & skf21("3","3","5","7","1","4","4","1") = "6"
    & skf21("3","3","5","7","1","4","5","1") = "6"
    & skf21("3","3","5","7","1","4","6","1") = "6"
    & skf21("3","3","5","7","1","4","7","1") = "6"
    & skf21("3","3","5","7","1","5","1","1") = "6"
    & skf21("3","3","5","7","1","5","2","1") = "6"
    & skf21("3","3","5","7","1","5","3","1") = "6"
    & skf21("3","3","5","7","1","5","4","1") = "6"
    & skf21("3","3","5","7","1","5","5","1") = "6"
    & skf21("3","3","5","7","1","5","6","1") = "6"
    & skf21("3","3","5","7","1","5","7","1") = "6"
    & skf21("3","3","5","7","1","6","1","1") = "6"
    & skf21("3","3","5","7","1","6","2","1") = "6"
    & skf21("3","3","5","7","1","6","3","1") = "6"
    & skf21("3","3","5","7","1","6","4","1") = "6"
    & skf21("3","3","5","7","1","6","5","1") = "6"
    & skf21("3","3","5","7","1","6","6","1") = "6"
    & skf21("3","3","5","7","1","6","7","1") = "6"
    & skf21("3","3","5","7","1","7","1","1") = "6"
    & skf21("3","3","5","7","1","7","2","1") = "6"
    & skf21("3","3","5","7","1","7","3","1") = "6"
    & skf21("3","3","5","7","1","7","4","1") = "6"
    & skf21("3","3","5","7","1","7","5","1") = "6"
    & skf21("3","3","5","7","1","7","6","1") = "6"
    & skf21("3","3","5","7","1","7","7","1") = "6"
    & skf21("3","3","5","7","2","1","1","1") = "6"
    & skf21("3","3","5","7","2","1","2","1") = "6"
    & skf21("3","3","5","7","2","1","3","1") = "6"
    & skf21("3","3","5","7","2","1","4","1") = "6"
    & skf21("3","3","5","7","2","1","5","1") = "6"
    & skf21("3","3","5","7","2","1","6","1") = "6"
    & skf21("3","3","5","7","2","1","7","1") = "6"
    & skf21("3","3","5","7","2","2","1","1") = "6"
    & skf21("3","3","5","7","2","2","2","1") = "6"
    & skf21("3","3","5","7","2","2","3","1") = "6"
    & skf21("3","3","5","7","2","2","4","1") = "6"
    & skf21("3","3","5","7","2","2","5","1") = "6"
    & skf21("3","3","5","7","2","2","6","1") = "6"
    & skf21("3","3","5","7","2","2","7","1") = "6"
    & skf21("3","3","5","7","2","3","1","1") = "6"
    & skf21("3","3","5","7","2","3","2","1") = "6"
    & skf21("3","3","5","7","2","3","3","1") = "6"
    & skf21("3","3","5","7","2","3","4","1") = "6"
    & skf21("3","3","5","7","2","3","5","1") = "6"
    & skf21("3","3","5","7","2","3","6","1") = "6"
    & skf21("3","3","5","7","2","3","7","1") = "6"
    & skf21("3","3","5","7","2","4","1","1") = "6"
    & skf21("3","3","5","7","2","4","2","1") = "6"
    & skf21("3","3","5","7","2","4","3","1") = "6"
    & skf21("3","3","5","7","2","4","4","1") = "6"
    & skf21("3","3","5","7","2","4","5","1") = "6"
    & skf21("3","3","5","7","2","4","6","1") = "6"
    & skf21("3","3","5","7","2","4","7","1") = "6"
    & skf21("3","3","5","7","2","5","1","1") = "6"
    & skf21("3","3","5","7","2","5","2","1") = "6"
    & skf21("3","3","5","7","2","5","3","1") = "6"
    & skf21("3","3","5","7","2","5","4","1") = "6"
    & skf21("3","3","5","7","2","5","5","1") = "6"
    & skf21("3","3","5","7","2","5","6","1") = "6"
    & skf21("3","3","5","7","2","5","7","1") = "6"
    & skf21("3","3","5","7","2","6","1","1") = "6"
    & skf21("3","3","5","7","2","6","2","1") = "6"
    & skf21("3","3","5","7","2","6","3","1") = "6"
    & skf21("3","3","5","7","2","6","4","1") = "6"
    & skf21("3","3","5","7","2","6","5","1") = "6"
    & skf21("3","3","5","7","2","6","6","1") = "6"
    & skf21("3","3","5","7","2","6","7","1") = "6"
    & skf21("3","3","5","7","2","7","1","1") = "6"
    & skf21("3","3","5","7","2","7","2","1") = "6"
    & skf21("3","3","5","7","2","7","3","1") = "6"
    & skf21("3","3","5","7","2","7","4","1") = "6"
    & skf21("3","3","5","7","2","7","5","1") = "6"
    & skf21("3","3","5","7","2","7","6","1") = "6"
    & skf21("3","3","5","7","2","7","7","1") = "6"
    & skf21("3","3","5","7","3","1","1","1") = "6"
    & skf21("3","3","5","7","3","1","2","1") = "6"
    & skf21("3","3","5","7","3","1","3","1") = "6"
    & skf21("3","3","5","7","3","1","4","1") = "6"
    & skf21("3","3","5","7","3","1","5","1") = "6"
    & skf21("3","3","5","7","3","1","6","1") = "6"
    & skf21("3","3","5","7","3","1","7","1") = "6"
    & skf21("3","3","5","7","3","2","1","1") = "6"
    & skf21("3","3","5","7","3","2","2","1") = "6"
    & skf21("3","3","5","7","3","2","3","1") = "6"
    & skf21("3","3","5","7","3","2","4","1") = "6"
    & skf21("3","3","5","7","3","2","5","1") = "6"
    & skf21("3","3","5","7","3","2","6","1") = "6"
    & skf21("3","3","5","7","3","2","7","1") = "6"
    & skf21("3","3","5","7","3","3","1","1") = "6"
    & skf21("3","3","5","7","3","3","2","1") = "6"
    & skf21("3","3","5","7","3","3","3","1") = "6"
    & skf21("3","3","5","7","3","3","4","1") = "6"
    & skf21("3","3","5","7","3","3","5","1") = "6"
    & skf21("3","3","5","7","3","3","6","1") = "6"
    & skf21("3","3","5","7","3","3","7","1") = "6"
    & skf21("3","3","5","7","3","4","1","1") = "6"
    & skf21("3","3","5","7","3","4","2","1") = "6"
    & skf21("3","3","5","7","3","4","3","1") = "6"
    & skf21("3","3","5","7","3","4","4","1") = "6"
    & skf21("3","3","5","7","3","4","5","1") = "6"
    & skf21("3","3","5","7","3","4","6","1") = "6"
    & skf21("3","3","5","7","3","4","7","1") = "6"
    & skf21("3","3","5","7","3","5","1","1") = "6"
    & skf21("3","3","5","7","3","5","2","1") = "6"
    & skf21("3","3","5","7","3","5","3","1") = "6"
    & skf21("3","3","5","7","3","5","4","1") = "6"
    & skf21("3","3","5","7","3","5","5","1") = "6"
    & skf21("3","3","5","7","3","5","6","1") = "6"
    & skf21("3","3","5","7","3","5","7","1") = "6"
    & skf21("3","3","5","7","3","6","1","1") = "6"
    & skf21("3","3","5","7","3","6","2","1") = "6"
    & skf21("3","3","5","7","3","6","3","1") = "6"
    & skf21("3","3","5","7","3","6","4","1") = "6"
    & skf21("3","3","5","7","3","6","5","1") = "6"
    & skf21("3","3","5","7","3","6","6","1") = "6"
    & skf21("3","3","5","7","3","6","7","1") = "6"
    & skf21("3","3","5","7","3","7","1","1") = "6"
    & skf21("3","3","5","7","3","7","2","1") = "6"
    & skf21("3","3","5","7","3","7","3","1") = "6"
    & skf21("3","3","5","7","3","7","4","1") = "6"
    & skf21("3","3","5","7","3","7","5","1") = "6"
    & skf21("3","3","5","7","3","7","6","1") = "6"
    & skf21("3","3","5","7","3","7","7","1") = "6"
    & skf21("3","3","5","7","4","1","1","1") = "6"
    & skf21("3","3","5","7","4","1","2","1") = "6"
    & skf21("3","3","5","7","4","1","3","1") = "6"
    & skf21("3","3","5","7","4","1","4","1") = "6"
    & skf21("3","3","5","7","4","1","5","1") = "6"
    & skf21("3","3","5","7","4","1","6","1") = "6"
    & skf21("3","3","5","7","4","1","7","1") = "6"
    & skf21("3","3","5","7","4","2","1","1") = "6"
    & skf21("3","3","5","7","4","2","2","1") = "6"
    & skf21("3","3","5","7","4","2","3","1") = "6"
    & skf21("3","3","5","7","4","2","4","1") = "6"
    & skf21("3","3","5","7","4","2","5","1") = "6"
    & skf21("3","3","5","7","4","2","6","1") = "6"
    & skf21("3","3","5","7","4","2","7","1") = "6"
    & skf21("3","3","5","7","4","3","1","1") = "6"
    & skf21("3","3","5","7","4","3","2","1") = "6"
    & skf21("3","3","5","7","4","3","3","1") = "6"
    & skf21("3","3","5","7","4","3","4","1") = "6"
    & skf21("3","3","5","7","4","3","5","1") = "6"
    & skf21("3","3","5","7","4","3","6","1") = "6"
    & skf21("3","3","5","7","4","3","7","1") = "6"
    & skf21("3","3","5","7","4","4","1","1") = "6"
    & skf21("3","3","5","7","4","4","2","1") = "6"
    & skf21("3","3","5","7","4","4","3","1") = "6"
    & skf21("3","3","5","7","4","4","4","1") = "6"
    & skf21("3","3","5","7","4","4","5","1") = "6"
    & skf21("3","3","5","7","4","4","6","1") = "6"
    & skf21("3","3","5","7","4","4","7","1") = "6"
    & skf21("3","3","5","7","4","5","1","1") = "6"
    & skf21("3","3","5","7","4","5","2","1") = "6"
    & skf21("3","3","5","7","4","5","3","1") = "6"
    & skf21("3","3","5","7","4","5","4","1") = "6"
    & skf21("3","3","5","7","4","5","5","1") = "6"
    & skf21("3","3","5","7","4","5","6","1") = "6"
    & skf21("3","3","5","7","4","5","7","1") = "6"
    & skf21("3","3","5","7","4","6","1","1") = "6"
    & skf21("3","3","5","7","4","6","2","1") = "6"
    & skf21("3","3","5","7","4","6","3","1") = "6"
    & skf21("3","3","5","7","4","6","4","1") = "6"
    & skf21("3","3","5","7","4","6","5","1") = "6"
    & skf21("3","3","5","7","4","6","6","1") = "6"
    & skf21("3","3","5","7","4","6","7","1") = "6"
    & skf21("3","3","5","7","4","7","1","1") = "6"
    & skf21("3","3","5","7","4","7","2","1") = "6"
    & skf21("3","3","5","7","4","7","3","1") = "6"
    & skf21("3","3","5","7","4","7","4","1") = "6"
    & skf21("3","3","5","7","4","7","5","1") = "6"
    & skf21("3","3","5","7","4","7","6","1") = "6"
    & skf21("3","3","5","7","4","7","7","1") = "6"
    & skf21("3","3","5","7","5","1","1","1") = "6"
    & skf21("3","3","5","7","5","1","2","1") = "6"
    & skf21("3","3","5","7","5","1","3","1") = "6"
    & skf21("3","3","5","7","5","1","4","1") = "6"
    & skf21("3","3","5","7","5","1","5","1") = "6"
    & skf21("3","3","5","7","5","1","6","1") = "6"
    & skf21("3","3","5","7","5","1","7","1") = "6"
    & skf21("3","3","5","7","5","2","1","1") = "6"
    & skf21("3","3","5","7","5","2","2","1") = "6"
    & skf21("3","3","5","7","5","2","3","1") = "6"
    & skf21("3","3","5","7","5","2","4","1") = "6"
    & skf21("3","3","5","7","5","2","5","1") = "6"
    & skf21("3","3","5","7","5","2","6","1") = "6"
    & skf21("3","3","5","7","5","2","7","1") = "6"
    & skf21("3","3","5","7","5","3","1","1") = "6"
    & skf21("3","3","5","7","5","3","2","1") = "6"
    & skf21("3","3","5","7","5","3","3","1") = "6"
    & skf21("3","3","5","7","5","3","4","1") = "6"
    & skf21("3","3","5","7","5","3","5","1") = "6"
    & skf21("3","3","5","7","5","3","6","1") = "6"
    & skf21("3","3","5","7","5","3","7","1") = "6"
    & skf21("3","3","5","7","5","4","1","1") = "6"
    & skf21("3","3","5","7","5","4","2","1") = "6"
    & skf21("3","3","5","7","5","4","3","1") = "6"
    & skf21("3","3","5","7","5","4","4","1") = "6"
    & skf21("3","3","5","7","5","4","5","1") = "6"
    & skf21("3","3","5","7","5","4","6","1") = "6"
    & skf21("3","3","5","7","5","4","7","1") = "6"
    & skf21("3","3","5","7","5","5","1","1") = "6"
    & skf21("3","3","5","7","5","5","2","1") = "6"
    & skf21("3","3","5","7","5","5","3","1") = "6"
    & skf21("3","3","5","7","5","5","4","1") = "6"
    & skf21("3","3","5","7","5","5","5","1") = "6"
    & skf21("3","3","5","7","5","5","6","1") = "6"
    & skf21("3","3","5","7","5","5","7","1") = "6"
    & skf21("3","3","5","7","5","6","1","1") = "6"
    & skf21("3","3","5","7","5","6","2","1") = "6"
    & skf21("3","3","5","7","5","6","3","1") = "6"
    & skf21("3","3","5","7","5","6","4","1") = "6"
    & skf21("3","3","5","7","5","6","5","1") = "6"
    & skf21("3","3","5","7","5","6","6","1") = "6"
    & skf21("3","3","5","7","5","6","7","1") = "6"
    & skf21("3","3","5","7","5","7","1","1") = "6"
    & skf21("3","3","5","7","5","7","2","1") = "6"
    & skf21("3","3","5","7","5","7","3","1") = "6"
    & skf21("3","3","5","7","5","7","4","1") = "6"
    & skf21("3","3","5","7","5","7","5","1") = "6"
    & skf21("3","3","5","7","5","7","6","1") = "6"
    & skf21("3","3","5","7","5","7","7","1") = "6"
    & skf21("3","3","5","7","6","1","1","1") = "6"
    & skf21("3","3","5","7","6","1","2","1") = "6"
    & skf21("3","3","5","7","6","1","3","1") = "6"
    & skf21("3","3","5","7","6","1","4","1") = "6"
    & skf21("3","3","5","7","6","1","5","1") = "6"
    & skf21("3","3","5","7","6","1","6","1") = "6"
    & skf21("3","3","5","7","6","1","7","1") = "6"
    & skf21("3","3","5","7","6","2","1","1") = "6"
    & skf21("3","3","5","7","6","2","2","1") = "6"
    & skf21("3","3","5","7","6","2","3","1") = "6"
    & skf21("3","3","5","7","6","2","4","1") = "6"
    & skf21("3","3","5","7","6","2","5","1") = "6"
    & skf21("3","3","5","7","6","2","6","1") = "6"
    & skf21("3","3","5","7","6","2","7","1") = "6"
    & skf21("3","3","5","7","6","3","1","1") = "6"
    & skf21("3","3","5","7","6","3","2","1") = "6"
    & skf21("3","3","5","7","6","3","3","1") = "6"
    & skf21("3","3","5","7","6","3","4","1") = "6"
    & skf21("3","3","5","7","6","3","5","1") = "6"
    & skf21("3","3","5","7","6","3","6","1") = "6"
    & skf21("3","3","5","7","6","3","7","1") = "6"
    & skf21("3","3","5","7","6","4","1","1") = "6"
    & skf21("3","3","5","7","6","4","2","1") = "6"
    & skf21("3","3","5","7","6","4","3","1") = "6"
    & skf21("3","3","5","7","6","4","4","1") = "6"
    & skf21("3","3","5","7","6","4","5","1") = "6"
    & skf21("3","3","5","7","6","4","6","1") = "6"
    & skf21("3","3","5","7","6","4","7","1") = "6"
    & skf21("3","3","5","7","6","5","1","1") = "6"
    & skf21("3","3","5","7","6","5","2","1") = "6"
    & skf21("3","3","5","7","6","5","3","1") = "6"
    & skf21("3","3","5","7","6","5","4","1") = "6"
    & skf21("3","3","5","7","6","5","5","1") = "6"
    & skf21("3","3","5","7","6","5","6","1") = "6"
    & skf21("3","3","5","7","6","5","7","1") = "6"
    & skf21("3","3","5","7","6","6","1","1") = "6"
    & skf21("3","3","5","7","6","6","2","1") = "6"
    & skf21("3","3","5","7","6","6","3","1") = "6"
    & skf21("3","3","5","7","6","6","4","1") = "6"
    & skf21("3","3","5","7","6","6","5","1") = "6"
    & skf21("3","3","5","7","6","6","6","1") = "6"
    & skf21("3","3","5","7","6","6","7","1") = "6"
    & skf21("3","3","5","7","6","7","1","1") = "6"
    & skf21("3","3","5","7","6","7","2","1") = "6"
    & skf21("3","3","5","7","6","7","3","1") = "6"
    & skf21("3","3","5","7","6","7","4","1") = "6"
    & skf21("3","3","5","7","6","7","5","1") = "6"
    & skf21("3","3","5","7","6","7","6","1") = "6"
    & skf21("3","3","5","7","6","7","7","1") = "6"
    & skf21("3","3","5","7","7","1","1","1") = "6"
    & skf21("3","3","5","7","7","1","2","1") = "6"
    & skf21("3","3","5","7","7","1","3","1") = "6"
    & skf21("3","3","5","7","7","1","4","1") = "6"
    & skf21("3","3","5","7","7","1","5","1") = "6"
    & skf21("3","3","5","7","7","1","6","1") = "6"
    & skf21("3","3","5","7","7","1","7","1") = "6"
    & skf21("3","3","5","7","7","2","1","1") = "6"
    & skf21("3","3","5","7","7","2","2","1") = "6"
    & skf21("3","3","5","7","7","2","3","1") = "6"
    & skf21("3","3","5","7","7","2","4","1") = "6"
    & skf21("3","3","5","7","7","2","5","1") = "6"
    & skf21("3","3","5","7","7","2","6","1") = "6"
    & skf21("3","3","5","7","7","2","7","1") = "6"
    & skf21("3","3","5","7","7","3","1","1") = "6"
    & skf21("3","3","5","7","7","3","2","1") = "6"
    & skf21("3","3","5","7","7","3","3","1") = "6"
    & skf21("3","3","5","7","7","3","4","1") = "6"
    & skf21("3","3","5","7","7","3","5","1") = "6"
    & skf21("3","3","5","7","7","3","6","1") = "6"
    & skf21("3","3","5","7","7","3","7","1") = "6"
    & skf21("3","3","5","7","7","4","1","1") = "6"
    & skf21("3","3","5","7","7","4","2","1") = "6"
    & skf21("3","3","5","7","7","4","3","1") = "6"
    & skf21("3","3","5","7","7","4","4","1") = "6"
    & skf21("3","3","5","7","7","4","5","1") = "6"
    & skf21("3","3","5","7","7","4","6","1") = "6"
    & skf21("3","3","5","7","7","4","7","1") = "6"
    & skf21("3","3","5","7","7","5","1","1") = "6"
    & skf21("3","3","5","7","7","5","2","1") = "6"
    & skf21("3","3","5","7","7","5","3","1") = "6"
    & skf21("3","3","5","7","7","5","4","1") = "6"
    & skf21("3","3","5","7","7","5","5","1") = "6"
    & skf21("3","3","5","7","7","5","6","1") = "6"
    & skf21("3","3","5","7","7","5","7","1") = "6"
    & skf21("3","3","5","7","7","6","1","1") = "6"
    & skf21("3","3","5","7","7","6","2","1") = "6"
    & skf21("3","3","5","7","7","6","3","1") = "6"
    & skf21("3","3","5","7","7","6","4","1") = "6"
    & skf21("3","3","5","7","7","6","5","1") = "6"
    & skf21("3","3","5","7","7","6","6","1") = "6"
    & skf21("3","3","5","7","7","6","7","1") = "6"
    & skf21("3","3","5","7","7","7","1","1") = "6"
    & skf21("3","3","5","7","7","7","2","1") = "6"
    & skf21("3","3","5","7","7","7","3","1") = "6"
    & skf21("3","3","5","7","7","7","4","1") = "6"
    & skf21("3","3","5","7","7","7","5","1") = "6"
    & skf21("3","3","5","7","7","7","6","1") = "6"
    & skf21("3","3","5","7","7","7","7","1") = "6"
    & skf21("3","3","6","1","1","1","1","1") = "5"
    & skf21("3","3","6","1","1","1","2","1") = "5"
    & skf21("3","3","6","1","1","1","3","1") = "5"
    & skf21("3","3","6","1","1","1","4","1") = "5"
    & skf21("3","3","6","1","1","1","5","1") = "5"
    & skf21("3","3","6","1","1","1","6","1") = "5"
    & skf21("3","3","6","1","1","1","7","1") = "6"
    & skf21("3","3","6","1","1","2","1","1") = "5"
    & skf21("3","3","6","1","1","2","2","1") = "5"
    & skf21("3","3","6","1","1","2","3","1") = "5"
    & skf21("3","3","6","1","1","2","4","1") = "5"
    & skf21("3","3","6","1","1","2","5","1") = "5"
    & skf21("3","3","6","1","1","2","6","1") = "5"
    & skf21("3","3","6","1","1","2","7","1") = "6"
    & skf21("3","3","6","1","1","3","1","1") = "5"
    & skf21("3","3","6","1","1","3","2","1") = "5"
    & skf21("3","3","6","1","1","3","3","1") = "5"
    & skf21("3","3","6","1","1","3","4","1") = "5"
    & skf21("3","3","6","1","1","3","5","1") = "5"
    & skf21("3","3","6","1","1","3","6","1") = "5"
    & skf21("3","3","6","1","1","3","7","1") = "6"
    & skf21("3","3","6","1","1","4","1","1") = "5"
    & skf21("3","3","6","1","1","4","2","1") = "5"
    & skf21("3","3","6","1","1","4","3","1") = "5"
    & skf21("3","3","6","1","1","4","4","1") = "5"
    & skf21("3","3","6","1","1","4","5","1") = "5"
    & skf21("3","3","6","1","1","4","6","1") = "5"
    & skf21("3","3","6","1","1","4","7","1") = "6"
    & skf21("3","3","6","1","1","5","1","1") = "5"
    & skf21("3","3","6","1","1","5","2","1") = "5"
    & skf21("3","3","6","1","1","5","3","1") = "5"
    & skf21("3","3","6","1","1","5","4","1") = "5"
    & skf21("3","3","6","1","1","5","5","1") = "5"
    & skf21("3","3","6","1","1","5","6","1") = "5"
    & skf21("3","3","6","1","1","5","7","1") = "6"
    & skf21("3","3","6","1","1","6","1","1") = "5"
    & skf21("3","3","6","1","1","6","2","1") = "5"
    & skf21("3","3","6","1","1","6","3","1") = "5"
    & skf21("3","3","6","1","1","6","4","1") = "5"
    & skf21("3","3","6","1","1","6","5","1") = "5"
    & skf21("3","3","6","1","1","6","6","1") = "5"
    & skf21("3","3","6","1","1","6","7","1") = "6"
    & skf21("3","3","6","1","1","7","1","1") = "6"
    & skf21("3","3","6","1","1","7","2","1") = "6"
    & skf21("3","3","6","1","1","7","3","1") = "6"
    & skf21("3","3","6","1","1","7","4","1") = "6"
    & skf21("3","3","6","1","1","7","5","1") = "6"
    & skf21("3","3","6","1","1","7","6","1") = "6"
    & skf21("3","3","6","1","1","7","7","1") = "6"
    & skf21("3","3","6","1","2","1","1","1") = "5"
    & skf21("3","3","6","1","2","1","2","1") = "5"
    & skf21("3","3","6","1","2","1","3","1") = "5"
    & skf21("3","3","6","1","2","1","4","1") = "5"
    & skf21("3","3","6","1","2","1","5","1") = "5"
    & skf21("3","3","6","1","2","1","6","1") = "5"
    & skf21("3","3","6","1","2","1","7","1") = "6"
    & skf21("3","3","6","1","2","2","1","1") = "5"
    & skf21("3","3","6","1","2","2","2","1") = "5"
    & skf21("3","3","6","1","2","2","3","1") = "5"
    & skf21("3","3","6","1","2","2","4","1") = "5"
    & skf21("3","3","6","1","2","2","5","1") = "5"
    & skf21("3","3","6","1","2","2","6","1") = "5"
    & skf21("3","3","6","1","2","2","7","1") = "6"
    & skf21("3","3","6","1","2","3","1","1") = "5"
    & skf21("3","3","6","1","2","3","2","1") = "5"
    & skf21("3","3","6","1","2","3","3","1") = "5"
    & skf21("3","3","6","1","2","3","4","1") = "5"
    & skf21("3","3","6","1","2","3","5","1") = "5"
    & skf21("3","3","6","1","2","3","6","1") = "5"
    & skf21("3","3","6","1","2","3","7","1") = "6"
    & skf21("3","3","6","1","2","4","1","1") = "5"
    & skf21("3","3","6","1","2","4","2","1") = "5"
    & skf21("3","3","6","1","2","4","3","1") = "5"
    & skf21("3","3","6","1","2","4","4","1") = "5"
    & skf21("3","3","6","1","2","4","5","1") = "5"
    & skf21("3","3","6","1","2","4","6","1") = "5"
    & skf21("3","3","6","1","2","4","7","1") = "6"
    & skf21("3","3","6","1","2","5","1","1") = "5"
    & skf21("3","3","6","1","2","5","2","1") = "5"
    & skf21("3","3","6","1","2","5","3","1") = "5"
    & skf21("3","3","6","1","2","5","4","1") = "5"
    & skf21("3","3","6","1","2","5","5","1") = "5"
    & skf21("3","3","6","1","2","5","6","1") = "5"
    & skf21("3","3","6","1","2","5","7","1") = "6"
    & skf21("3","3","6","1","2","6","1","1") = "5"
    & skf21("3","3","6","1","2","6","2","1") = "5"
    & skf21("3","3","6","1","2","6","3","1") = "5"
    & skf21("3","3","6","1","2","6","4","1") = "5"
    & skf21("3","3","6","1","2","6","5","1") = "5"
    & skf21("3","3","6","1","2","6","6","1") = "5"
    & skf21("3","3","6","1","2","6","7","1") = "6"
    & skf21("3","3","6","1","2","7","1","1") = "6"
    & skf21("3","3","6","1","2","7","2","1") = "6"
    & skf21("3","3","6","1","2","7","3","1") = "6"
    & skf21("3","3","6","1","2","7","4","1") = "6"
    & skf21("3","3","6","1","2","7","5","1") = "6"
    & skf21("3","3","6","1","2","7","6","1") = "6"
    & skf21("3","3","6","1","2","7","7","1") = "6"
    & skf21("3","3","6","1","3","1","1","1") = "5"
    & skf21("3","3","6","1","3","1","2","1") = "5"
    & skf21("3","3","6","1","3","1","3","1") = "5"
    & skf21("3","3","6","1","3","1","4","1") = "5"
    & skf21("3","3","6","1","3","1","5","1") = "5"
    & skf21("3","3","6","1","3","1","6","1") = "5"
    & skf21("3","3","6","1","3","1","7","1") = "6"
    & skf21("3","3","6","1","3","2","1","1") = "5"
    & skf21("3","3","6","1","3","2","2","1") = "5"
    & skf21("3","3","6","1","3","2","3","1") = "5"
    & skf21("3","3","6","1","3","2","4","1") = "5"
    & skf21("3","3","6","1","3","2","5","1") = "5"
    & skf21("3","3","6","1","3","2","6","1") = "5"
    & skf21("3","3","6","1","3","2","7","1") = "6"
    & skf21("3","3","6","1","3","3","1","1") = "5"
    & skf21("3","3","6","1","3","3","2","1") = "5"
    & skf21("3","3","6","1","3","3","3","1") = "5"
    & skf21("3","3","6","1","3","3","4","1") = "5"
    & skf21("3","3","6","1","3","3","5","1") = "5"
    & skf21("3","3","6","1","3","3","6","1") = "5"
    & skf21("3","3","6","1","3","3","7","1") = "6"
    & skf21("3","3","6","1","3","4","1","1") = "5"
    & skf21("3","3","6","1","3","4","2","1") = "5"
    & skf21("3","3","6","1","3","4","3","1") = "5"
    & skf21("3","3","6","1","3","4","4","1") = "5"
    & skf21("3","3","6","1","3","4","5","1") = "5"
    & skf21("3","3","6","1","3","4","6","1") = "5"
    & skf21("3","3","6","1","3","4","7","1") = "6"
    & skf21("3","3","6","1","3","5","1","1") = "5"
    & skf21("3","3","6","1","3","5","2","1") = "5"
    & skf21("3","3","6","1","3","5","3","1") = "5"
    & skf21("3","3","6","1","3","5","4","1") = "5"
    & skf21("3","3","6","1","3","5","5","1") = "5"
    & skf21("3","3","6","1","3","5","6","1") = "5"
    & skf21("3","3","6","1","3","5","7","1") = "6"
    & skf21("3","3","6","1","3","6","1","1") = "5"
    & skf21("3","3","6","1","3","6","2","1") = "5"
    & skf21("3","3","6","1","3","6","3","1") = "5"
    & skf21("3","3","6","1","3","6","4","1") = "5"
    & skf21("3","3","6","1","3","6","5","1") = "5"
    & skf21("3","3","6","1","3","6","6","1") = "5"
    & skf21("3","3","6","1","3","6","7","1") = "6"
    & skf21("3","3","6","1","3","7","1","1") = "6"
    & skf21("3","3","6","1","3","7","2","1") = "6"
    & skf21("3","3","6","1","3","7","3","1") = "6"
    & skf21("3","3","6","1","3","7","4","1") = "6"
    & skf21("3","3","6","1","3","7","5","1") = "6"
    & skf21("3","3","6","1","3","7","6","1") = "6"
    & skf21("3","3","6","1","3","7","7","1") = "6"
    & skf21("3","3","6","1","4","1","1","1") = "5"
    & skf21("3","3","6","1","4","1","2","1") = "5"
    & skf21("3","3","6","1","4","1","3","1") = "5"
    & skf21("3","3","6","1","4","1","4","1") = "5"
    & skf21("3","3","6","1","4","1","5","1") = "5"
    & skf21("3","3","6","1","4","1","6","1") = "5"
    & skf21("3","3","6","1","4","1","7","1") = "6"
    & skf21("3","3","6","1","4","2","1","1") = "5"
    & skf21("3","3","6","1","4","2","2","1") = "5"
    & skf21("3","3","6","1","4","2","3","1") = "5"
    & skf21("3","3","6","1","4","2","4","1") = "5"
    & skf21("3","3","6","1","4","2","5","1") = "5"
    & skf21("3","3","6","1","4","2","6","1") = "5"
    & skf21("3","3","6","1","4","2","7","1") = "6"
    & skf21("3","3","6","1","4","3","1","1") = "5"
    & skf21("3","3","6","1","4","3","2","1") = "5"
    & skf21("3","3","6","1","4","3","3","1") = "5"
    & skf21("3","3","6","1","4","3","4","1") = "5"
    & skf21("3","3","6","1","4","3","5","1") = "5"
    & skf21("3","3","6","1","4","3","6","1") = "5"
    & skf21("3","3","6","1","4","3","7","1") = "6"
    & skf21("3","3","6","1","4","4","1","1") = "5"
    & skf21("3","3","6","1","4","4","2","1") = "5"
    & skf21("3","3","6","1","4","4","3","1") = "5"
    & skf21("3","3","6","1","4","4","4","1") = "5"
    & skf21("3","3","6","1","4","4","5","1") = "5"
    & skf21("3","3","6","1","4","4","6","1") = "5"
    & skf21("3","3","6","1","4","4","7","1") = "6"
    & skf21("3","3","6","1","4","5","1","1") = "5"
    & skf21("3","3","6","1","4","5","2","1") = "5"
    & skf21("3","3","6","1","4","5","3","1") = "5"
    & skf21("3","3","6","1","4","5","4","1") = "5"
    & skf21("3","3","6","1","4","5","5","1") = "5"
    & skf21("3","3","6","1","4","5","6","1") = "5"
    & skf21("3","3","6","1","4","5","7","1") = "6"
    & skf21("3","3","6","1","4","6","1","1") = "5"
    & skf21("3","3","6","1","4","6","2","1") = "5"
    & skf21("3","3","6","1","4","6","3","1") = "5"
    & skf21("3","3","6","1","4","6","4","1") = "5"
    & skf21("3","3","6","1","4","6","5","1") = "5"
    & skf21("3","3","6","1","4","6","6","1") = "5"
    & skf21("3","3","6","1","4","6","7","1") = "6"
    & skf21("3","3","6","1","4","7","1","1") = "6"
    & skf21("3","3","6","1","4","7","2","1") = "6"
    & skf21("3","3","6","1","4","7","3","1") = "6"
    & skf21("3","3","6","1","4","7","4","1") = "6"
    & skf21("3","3","6","1","4","7","5","1") = "6"
    & skf21("3","3","6","1","4","7","6","1") = "6"
    & skf21("3","3","6","1","4","7","7","1") = "6"
    & skf21("3","3","6","1","5","1","1","1") = "5"
    & skf21("3","3","6","1","5","1","2","1") = "5"
    & skf21("3","3","6","1","5","1","3","1") = "5"
    & skf21("3","3","6","1","5","1","4","1") = "5"
    & skf21("3","3","6","1","5","1","5","1") = "5"
    & skf21("3","3","6","1","5","1","6","1") = "5"
    & skf21("3","3","6","1","5","1","7","1") = "6"
    & skf21("3","3","6","1","5","2","1","1") = "5"
    & skf21("3","3","6","1","5","2","2","1") = "5"
    & skf21("3","3","6","1","5","2","3","1") = "5"
    & skf21("3","3","6","1","5","2","4","1") = "5"
    & skf21("3","3","6","1","5","2","5","1") = "5"
    & skf21("3","3","6","1","5","2","6","1") = "5"
    & skf21("3","3","6","1","5","2","7","1") = "6"
    & skf21("3","3","6","1","5","3","1","1") = "5"
    & skf21("3","3","6","1","5","3","2","1") = "5"
    & skf21("3","3","6","1","5","3","3","1") = "5"
    & skf21("3","3","6","1","5","3","4","1") = "5"
    & skf21("3","3","6","1","5","3","5","1") = "5"
    & skf21("3","3","6","1","5","3","6","1") = "5"
    & skf21("3","3","6","1","5","3","7","1") = "6"
    & skf21("3","3","6","1","5","4","1","1") = "5"
    & skf21("3","3","6","1","5","4","2","1") = "5"
    & skf21("3","3","6","1","5","4","3","1") = "5"
    & skf21("3","3","6","1","5","4","4","1") = "5"
    & skf21("3","3","6","1","5","4","5","1") = "5"
    & skf21("3","3","6","1","5","4","6","1") = "5"
    & skf21("3","3","6","1","5","4","7","1") = "6"
    & skf21("3","3","6","1","5","5","1","1") = "5"
    & skf21("3","3","6","1","5","5","2","1") = "5"
    & skf21("3","3","6","1","5","5","3","1") = "5"
    & skf21("3","3","6","1","5","5","4","1") = "5"
    & skf21("3","3","6","1","5","5","5","1") = "5"
    & skf21("3","3","6","1","5","5","6","1") = "5"
    & skf21("3","3","6","1","5","5","7","1") = "6"
    & skf21("3","3","6","1","5","6","1","1") = "5"
    & skf21("3","3","6","1","5","6","2","1") = "5"
    & skf21("3","3","6","1","5","6","3","1") = "5"
    & skf21("3","3","6","1","5","6","4","1") = "5"
    & skf21("3","3","6","1","5","6","5","1") = "5"
    & skf21("3","3","6","1","5","6","6","1") = "5"
    & skf21("3","3","6","1","5","6","7","1") = "6"
    & skf21("3","3","6","1","5","7","1","1") = "6"
    & skf21("3","3","6","1","5","7","2","1") = "6"
    & skf21("3","3","6","1","5","7","3","1") = "6"
    & skf21("3","3","6","1","5","7","4","1") = "6"
    & skf21("3","3","6","1","5","7","5","1") = "6"
    & skf21("3","3","6","1","5","7","6","1") = "6"
    & skf21("3","3","6","1","5","7","7","1") = "6"
    & skf21("3","3","6","1","6","1","1","1") = "5"
    & skf21("3","3","6","1","6","1","2","1") = "5"
    & skf21("3","3","6","1","6","1","3","1") = "5"
    & skf21("3","3","6","1","6","1","4","1") = "5"
    & skf21("3","3","6","1","6","1","5","1") = "5"
    & skf21("3","3","6","1","6","1","6","1") = "5"
    & skf21("3","3","6","1","6","1","7","1") = "6"
    & skf21("3","3","6","1","6","2","1","1") = "5"
    & skf21("3","3","6","1","6","2","2","1") = "5"
    & skf21("3","3","6","1","6","2","3","1") = "5"
    & skf21("3","3","6","1","6","2","4","1") = "5"
    & skf21("3","3","6","1","6","2","5","1") = "5"
    & skf21("3","3","6","1","6","2","6","1") = "5"
    & skf21("3","3","6","1","6","2","7","1") = "6"
    & skf21("3","3","6","1","6","3","1","1") = "5"
    & skf21("3","3","6","1","6","3","2","1") = "5"
    & skf21("3","3","6","1","6","3","3","1") = "5"
    & skf21("3","3","6","1","6","3","4","1") = "5"
    & skf21("3","3","6","1","6","3","5","1") = "5"
    & skf21("3","3","6","1","6","3","6","1") = "5"
    & skf21("3","3","6","1","6","3","7","1") = "6"
    & skf21("3","3","6","1","6","4","1","1") = "5"
    & skf21("3","3","6","1","6","4","2","1") = "5"
    & skf21("3","3","6","1","6","4","3","1") = "5"
    & skf21("3","3","6","1","6","4","4","1") = "5"
    & skf21("3","3","6","1","6","4","5","1") = "5"
    & skf21("3","3","6","1","6","4","6","1") = "5"
    & skf21("3","3","6","1","6","4","7","1") = "6"
    & skf21("3","3","6","1","6","5","1","1") = "5"
    & skf21("3","3","6","1","6","5","2","1") = "5"
    & skf21("3","3","6","1","6","5","3","1") = "5"
    & skf21("3","3","6","1","6","5","4","1") = "5"
    & skf21("3","3","6","1","6","5","5","1") = "5"
    & skf21("3","3","6","1","6","5","6","1") = "5"
    & skf21("3","3","6","1","6","5","7","1") = "6"
    & skf21("3","3","6","1","6","6","1","1") = "5"
    & skf21("3","3","6","1","6","6","2","1") = "5"
    & skf21("3","3","6","1","6","6","3","1") = "5"
    & skf21("3","3","6","1","6","6","4","1") = "5"
    & skf21("3","3","6","1","6","6","5","1") = "5"
    & skf21("3","3","6","1","6","6","6","1") = "5"
    & skf21("3","3","6","1","6","6","7","1") = "6"
    & skf21("3","3","6","1","6","7","1","1") = "6"
    & skf21("3","3","6","1","6","7","2","1") = "6"
    & skf21("3","3","6","1","6","7","3","1") = "6"
    & skf21("3","3","6","1","6","7","4","1") = "6"
    & skf21("3","3","6","1","6","7","5","1") = "6"
    & skf21("3","3","6","1","6","7","6","1") = "6"
    & skf21("3","3","6","1","6","7","7","1") = "6"
    & skf21("3","3","6","1","7","1","1","1") = "6"
    & skf21("3","3","6","1","7","1","2","1") = "6"
    & skf21("3","3","6","1","7","1","3","1") = "6"
    & skf21("3","3","6","1","7","1","4","1") = "6"
    & skf21("3","3","6","1","7","1","5","1") = "6"
    & skf21("3","3","6","1","7","1","6","1") = "6"
    & skf21("3","3","6","1","7","1","7","1") = "6"
    & skf21("3","3","6","1","7","2","1","1") = "6"
    & skf21("3","3","6","1","7","2","2","1") = "6"
    & skf21("3","3","6","1","7","2","3","1") = "6"
    & skf21("3","3","6","1","7","2","4","1") = "6"
    & skf21("3","3","6","1","7","2","5","1") = "6"
    & skf21("3","3","6","1","7","2","6","1") = "6"
    & skf21("3","3","6","1","7","2","7","1") = "6"
    & skf21("3","3","6","1","7","3","1","1") = "6"
    & skf21("3","3","6","1","7","3","2","1") = "6"
    & skf21("3","3","6","1","7","3","3","1") = "6"
    & skf21("3","3","6","1","7","3","4","1") = "6"
    & skf21("3","3","6","1","7","3","5","1") = "6"
    & skf21("3","3","6","1","7","3","6","1") = "6"
    & skf21("3","3","6","1","7","3","7","1") = "6"
    & skf21("3","3","6","1","7","4","1","1") = "6"
    & skf21("3","3","6","1","7","4","2","1") = "6"
    & skf21("3","3","6","1","7","4","3","1") = "6"
    & skf21("3","3","6","1","7","4","4","1") = "6"
    & skf21("3","3","6","1","7","4","5","1") = "6"
    & skf21("3","3","6","1","7","4","6","1") = "6"
    & skf21("3","3","6","1","7","4","7","1") = "6"
    & skf21("3","3","6","1","7","5","1","1") = "6"
    & skf21("3","3","6","1","7","5","2","1") = "6"
    & skf21("3","3","6","1","7","5","3","1") = "6"
    & skf21("3","3","6","1","7","5","4","1") = "6"
    & skf21("3","3","6","1","7","5","5","1") = "6"
    & skf21("3","3","6","1","7","5","6","1") = "6"
    & skf21("3","3","6","1","7","5","7","1") = "6"
    & skf21("3","3","6","1","7","6","1","1") = "6"
    & skf21("3","3","6","1","7","6","2","1") = "6"
    & skf21("3","3","6","1","7","6","3","1") = "6"
    & skf21("3","3","6","1","7","6","4","1") = "6"
    & skf21("3","3","6","1","7","6","5","1") = "6"
    & skf21("3","3","6","1","7","6","6","1") = "6"
    & skf21("3","3","6","1","7","6","7","1") = "6"
    & skf21("3","3","6","1","7","7","1","1") = "6"
    & skf21("3","3","6","1","7","7","2","1") = "6"
    & skf21("3","3","6","1","7","7","3","1") = "6"
    & skf21("3","3","6","1","7","7","4","1") = "6"
    & skf21("3","3","6","1","7","7","5","1") = "6"
    & skf21("3","3","6","1","7","7","6","1") = "6"
    & skf21("3","3","6","1","7","7","7","1") = "6"
    & skf21("3","3","6","2","1","1","1","1") = "5"
    & skf21("3","3","6","2","1","1","2","1") = "5"
    & skf21("3","3","6","2","1","1","3","1") = "5"
    & skf21("3","3","6","2","1","1","4","1") = "5"
    & skf21("3","3","6","2","1","1","5","1") = "5"
    & skf21("3","3","6","2","1","1","6","1") = "5"
    & skf21("3","3","6","2","1","1","7","1") = "6"
    & skf21("3","3","6","2","1","2","1","1") = "5"
    & skf21("3","3","6","2","1","2","2","1") = "5"
    & skf21("3","3","6","2","1","2","3","1") = "5"
    & skf21("3","3","6","2","1","2","4","1") = "5"
    & skf21("3","3","6","2","1","2","5","1") = "5"
    & skf21("3","3","6","2","1","2","6","1") = "5"
    & skf21("3","3","6","2","1","2","7","1") = "6"
    & skf21("3","3","6","2","1","3","1","1") = "5"
    & skf21("3","3","6","2","1","3","2","1") = "5"
    & skf21("3","3","6","2","1","3","3","1") = "5"
    & skf21("3","3","6","2","1","3","4","1") = "5"
    & skf21("3","3","6","2","1","3","5","1") = "5"
    & skf21("3","3","6","2","1","3","6","1") = "5"
    & skf21("3","3","6","2","1","3","7","1") = "6"
    & skf21("3","3","6","2","1","4","1","1") = "5"
    & skf21("3","3","6","2","1","4","2","1") = "5"
    & skf21("3","3","6","2","1","4","3","1") = "5"
    & skf21("3","3","6","2","1","4","4","1") = "5"
    & skf21("3","3","6","2","1","4","5","1") = "5"
    & skf21("3","3","6","2","1","4","6","1") = "5"
    & skf21("3","3","6","2","1","4","7","1") = "6"
    & skf21("3","3","6","2","1","5","1","1") = "5"
    & skf21("3","3","6","2","1","5","2","1") = "5"
    & skf21("3","3","6","2","1","5","3","1") = "5"
    & skf21("3","3","6","2","1","5","4","1") = "5"
    & skf21("3","3","6","2","1","5","5","1") = "5"
    & skf21("3","3","6","2","1","5","6","1") = "5"
    & skf21("3","3","6","2","1","5","7","1") = "6"
    & skf21("3","3","6","2","1","6","1","1") = "5"
    & skf21("3","3","6","2","1","6","2","1") = "5"
    & skf21("3","3","6","2","1","6","3","1") = "5"
    & skf21("3","3","6","2","1","6","4","1") = "5"
    & skf21("3","3","6","2","1","6","5","1") = "5"
    & skf21("3","3","6","2","1","6","6","1") = "5"
    & skf21("3","3","6","2","1","6","7","1") = "6"
    & skf21("3","3","6","2","1","7","1","1") = "6"
    & skf21("3","3","6","2","1","7","2","1") = "6"
    & skf21("3","3","6","2","1","7","3","1") = "6"
    & skf21("3","3","6","2","1","7","4","1") = "6"
    & skf21("3","3","6","2","1","7","5","1") = "6"
    & skf21("3","3","6","2","1","7","6","1") = "6"
    & skf21("3","3","6","2","1","7","7","1") = "6"
    & skf21("3","3","6","2","2","1","1","1") = "5"
    & skf21("3","3","6","2","2","1","2","1") = "5"
    & skf21("3","3","6","2","2","1","3","1") = "5"
    & skf21("3","3","6","2","2","1","4","1") = "5"
    & skf21("3","3","6","2","2","1","5","1") = "5"
    & skf21("3","3","6","2","2","1","6","1") = "5"
    & skf21("3","3","6","2","2","1","7","1") = "6"
    & skf21("3","3","6","2","2","2","1","1") = "5"
    & skf21("3","3","6","2","2","2","2","1") = "5"
    & skf21("3","3","6","2","2","2","3","1") = "5"
    & skf21("3","3","6","2","2","2","4","1") = "5"
    & skf21("3","3","6","2","2","2","5","1") = "5"
    & skf21("3","3","6","2","2","2","6","1") = "5"
    & skf21("3","3","6","2","2","2","7","1") = "6"
    & skf21("3","3","6","2","2","3","1","1") = "5"
    & skf21("3","3","6","2","2","3","2","1") = "5"
    & skf21("3","3","6","2","2","3","3","1") = "5"
    & skf21("3","3","6","2","2","3","4","1") = "5"
    & skf21("3","3","6","2","2","3","5","1") = "5"
    & skf21("3","3","6","2","2","3","6","1") = "5"
    & skf21("3","3","6","2","2","3","7","1") = "6"
    & skf21("3","3","6","2","2","4","1","1") = "5"
    & skf21("3","3","6","2","2","4","2","1") = "5"
    & skf21("3","3","6","2","2","4","3","1") = "5"
    & skf21("3","3","6","2","2","4","4","1") = "5"
    & skf21("3","3","6","2","2","4","5","1") = "5"
    & skf21("3","3","6","2","2","4","6","1") = "5"
    & skf21("3","3","6","2","2","4","7","1") = "6"
    & skf21("3","3","6","2","2","5","1","1") = "5"
    & skf21("3","3","6","2","2","5","2","1") = "5"
    & skf21("3","3","6","2","2","5","3","1") = "5"
    & skf21("3","3","6","2","2","5","4","1") = "5"
    & skf21("3","3","6","2","2","5","5","1") = "5"
    & skf21("3","3","6","2","2","5","6","1") = "5"
    & skf21("3","3","6","2","2","5","7","1") = "6"
    & skf21("3","3","6","2","2","6","1","1") = "5"
    & skf21("3","3","6","2","2","6","2","1") = "5"
    & skf21("3","3","6","2","2","6","3","1") = "5"
    & skf21("3","3","6","2","2","6","4","1") = "5"
    & skf21("3","3","6","2","2","6","5","1") = "5"
    & skf21("3","3","6","2","2","6","6","1") = "5"
    & skf21("3","3","6","2","2","6","7","1") = "6"
    & skf21("3","3","6","2","2","7","1","1") = "6"
    & skf21("3","3","6","2","2","7","2","1") = "6"
    & skf21("3","3","6","2","2","7","3","1") = "6"
    & skf21("3","3","6","2","2","7","4","1") = "6"
    & skf21("3","3","6","2","2","7","5","1") = "6"
    & skf21("3","3","6","2","2","7","6","1") = "6"
    & skf21("3","3","6","2","2","7","7","1") = "6"
    & skf21("3","3","6","2","3","1","1","1") = "5"
    & skf21("3","3","6","2","3","1","2","1") = "5"
    & skf21("3","3","6","2","3","1","3","1") = "5"
    & skf21("3","3","6","2","3","1","4","1") = "5"
    & skf21("3","3","6","2","3","1","5","1") = "5"
    & skf21("3","3","6","2","3","1","6","1") = "5"
    & skf21("3","3","6","2","3","1","7","1") = "6"
    & skf21("3","3","6","2","3","2","1","1") = "5"
    & skf21("3","3","6","2","3","2","2","1") = "5"
    & skf21("3","3","6","2","3","2","3","1") = "5"
    & skf21("3","3","6","2","3","2","4","1") = "5"
    & skf21("3","3","6","2","3","2","5","1") = "5"
    & skf21("3","3","6","2","3","2","6","1") = "5"
    & skf21("3","3","6","2","3","2","7","1") = "6"
    & skf21("3","3","6","2","3","3","1","1") = "5"
    & skf21("3","3","6","2","3","3","2","1") = "5"
    & skf21("3","3","6","2","3","3","3","1") = "5"
    & skf21("3","3","6","2","3","3","4","1") = "5"
    & skf21("3","3","6","2","3","3","5","1") = "5"
    & skf21("3","3","6","2","3","3","6","1") = "5"
    & skf21("3","3","6","2","3","3","7","1") = "6"
    & skf21("3","3","6","2","3","4","1","1") = "5"
    & skf21("3","3","6","2","3","4","2","1") = "5"
    & skf21("3","3","6","2","3","4","3","1") = "5"
    & skf21("3","3","6","2","3","4","4","1") = "5"
    & skf21("3","3","6","2","3","4","5","1") = "5"
    & skf21("3","3","6","2","3","4","6","1") = "5"
    & skf21("3","3","6","2","3","4","7","1") = "6"
    & skf21("3","3","6","2","3","5","1","1") = "5"
    & skf21("3","3","6","2","3","5","2","1") = "5"
    & skf21("3","3","6","2","3","5","3","1") = "5"
    & skf21("3","3","6","2","3","5","4","1") = "5"
    & skf21("3","3","6","2","3","5","5","1") = "5"
    & skf21("3","3","6","2","3","5","6","1") = "5"
    & skf21("3","3","6","2","3","5","7","1") = "6"
    & skf21("3","3","6","2","3","6","1","1") = "5"
    & skf21("3","3","6","2","3","6","2","1") = "5"
    & skf21("3","3","6","2","3","6","3","1") = "5"
    & skf21("3","3","6","2","3","6","4","1") = "5"
    & skf21("3","3","6","2","3","6","5","1") = "5"
    & skf21("3","3","6","2","3","6","6","1") = "5"
    & skf21("3","3","6","2","3","6","7","1") = "6"
    & skf21("3","3","6","2","3","7","1","1") = "6"
    & skf21("3","3","6","2","3","7","2","1") = "6"
    & skf21("3","3","6","2","3","7","3","1") = "6"
    & skf21("3","3","6","2","3","7","4","1") = "6"
    & skf21("3","3","6","2","3","7","5","1") = "6"
    & skf21("3","3","6","2","3","7","6","1") = "6"
    & skf21("3","3","6","2","3","7","7","1") = "6"
    & skf21("3","3","6","2","4","1","1","1") = "5"
    & skf21("3","3","6","2","4","1","2","1") = "5"
    & skf21("3","3","6","2","4","1","3","1") = "5"
    & skf21("3","3","6","2","4","1","4","1") = "5"
    & skf21("3","3","6","2","4","1","5","1") = "5"
    & skf21("3","3","6","2","4","1","6","1") = "5"
    & skf21("3","3","6","2","4","1","7","1") = "6"
    & skf21("3","3","6","2","4","2","1","1") = "5"
    & skf21("3","3","6","2","4","2","2","1") = "5"
    & skf21("3","3","6","2","4","2","3","1") = "5"
    & skf21("3","3","6","2","4","2","4","1") = "5"
    & skf21("3","3","6","2","4","2","5","1") = "5"
    & skf21("3","3","6","2","4","2","6","1") = "5"
    & skf21("3","3","6","2","4","2","7","1") = "6"
    & skf21("3","3","6","2","4","3","1","1") = "5"
    & skf21("3","3","6","2","4","3","2","1") = "5"
    & skf21("3","3","6","2","4","3","3","1") = "5"
    & skf21("3","3","6","2","4","3","4","1") = "5"
    & skf21("3","3","6","2","4","3","5","1") = "5"
    & skf21("3","3","6","2","4","3","6","1") = "5"
    & skf21("3","3","6","2","4","3","7","1") = "6"
    & skf21("3","3","6","2","4","4","1","1") = "5"
    & skf21("3","3","6","2","4","4","2","1") = "5"
    & skf21("3","3","6","2","4","4","3","1") = "5"
    & skf21("3","3","6","2","4","4","4","1") = "5"
    & skf21("3","3","6","2","4","4","5","1") = "5"
    & skf21("3","3","6","2","4","4","6","1") = "5"
    & skf21("3","3","6","2","4","4","7","1") = "6"
    & skf21("3","3","6","2","4","5","1","1") = "5"
    & skf21("3","3","6","2","4","5","2","1") = "5"
    & skf21("3","3","6","2","4","5","3","1") = "5"
    & skf21("3","3","6","2","4","5","4","1") = "5"
    & skf21("3","3","6","2","4","5","5","1") = "5"
    & skf21("3","3","6","2","4","5","6","1") = "5"
    & skf21("3","3","6","2","4","5","7","1") = "6"
    & skf21("3","3","6","2","4","6","1","1") = "5"
    & skf21("3","3","6","2","4","6","2","1") = "5"
    & skf21("3","3","6","2","4","6","3","1") = "5"
    & skf21("3","3","6","2","4","6","4","1") = "5"
    & skf21("3","3","6","2","4","6","5","1") = "5"
    & skf21("3","3","6","2","4","6","6","1") = "5"
    & skf21("3","3","6","2","4","6","7","1") = "6"
    & skf21("3","3","6","2","4","7","1","1") = "6"
    & skf21("3","3","6","2","4","7","2","1") = "6"
    & skf21("3","3","6","2","4","7","3","1") = "6"
    & skf21("3","3","6","2","4","7","4","1") = "6"
    & skf21("3","3","6","2","4","7","5","1") = "6"
    & skf21("3","3","6","2","4","7","6","1") = "6"
    & skf21("3","3","6","2","4","7","7","1") = "6"
    & skf21("3","3","6","2","5","1","1","1") = "5"
    & skf21("3","3","6","2","5","1","2","1") = "5"
    & skf21("3","3","6","2","5","1","3","1") = "5"
    & skf21("3","3","6","2","5","1","4","1") = "5"
    & skf21("3","3","6","2","5","1","5","1") = "5"
    & skf21("3","3","6","2","5","1","6","1") = "5"
    & skf21("3","3","6","2","5","1","7","1") = "6"
    & skf21("3","3","6","2","5","2","1","1") = "5"
    & skf21("3","3","6","2","5","2","2","1") = "5"
    & skf21("3","3","6","2","5","2","3","1") = "5"
    & skf21("3","3","6","2","5","2","4","1") = "5"
    & skf21("3","3","6","2","5","2","5","1") = "5"
    & skf21("3","3","6","2","5","2","6","1") = "5"
    & skf21("3","3","6","2","5","2","7","1") = "6"
    & skf21("3","3","6","2","5","3","1","1") = "5"
    & skf21("3","3","6","2","5","3","2","1") = "5"
    & skf21("3","3","6","2","5","3","3","1") = "5"
    & skf21("3","3","6","2","5","3","4","1") = "5"
    & skf21("3","3","6","2","5","3","5","1") = "5"
    & skf21("3","3","6","2","5","3","6","1") = "5"
    & skf21("3","3","6","2","5","3","7","1") = "6"
    & skf21("3","3","6","2","5","4","1","1") = "5"
    & skf21("3","3","6","2","5","4","2","1") = "5"
    & skf21("3","3","6","2","5","4","3","1") = "5"
    & skf21("3","3","6","2","5","4","4","1") = "5"
    & skf21("3","3","6","2","5","4","5","1") = "5"
    & skf21("3","3","6","2","5","4","6","1") = "5"
    & skf21("3","3","6","2","5","4","7","1") = "6"
    & skf21("3","3","6","2","5","5","1","1") = "5"
    & skf21("3","3","6","2","5","5","2","1") = "5"
    & skf21("3","3","6","2","5","5","3","1") = "5"
    & skf21("3","3","6","2","5","5","4","1") = "5"
    & skf21("3","3","6","2","5","5","5","1") = "5"
    & skf21("3","3","6","2","5","5","6","1") = "5"
    & skf21("3","3","6","2","5","5","7","1") = "6"
    & skf21("3","3","6","2","5","6","1","1") = "5"
    & skf21("3","3","6","2","5","6","2","1") = "5"
    & skf21("3","3","6","2","5","6","3","1") = "5"
    & skf21("3","3","6","2","5","6","4","1") = "5"
    & skf21("3","3","6","2","5","6","5","1") = "5"
    & skf21("3","3","6","2","5","6","6","1") = "5"
    & skf21("3","3","6","2","5","6","7","1") = "6"
    & skf21("3","3","6","2","5","7","1","1") = "6"
    & skf21("3","3","6","2","5","7","2","1") = "6"
    & skf21("3","3","6","2","5","7","3","1") = "6"
    & skf21("3","3","6","2","5","7","4","1") = "6"
    & skf21("3","3","6","2","5","7","5","1") = "6"
    & skf21("3","3","6","2","5","7","6","1") = "6"
    & skf21("3","3","6","2","5","7","7","1") = "6"
    & skf21("3","3","6","2","6","1","1","1") = "5"
    & skf21("3","3","6","2","6","1","2","1") = "5"
    & skf21("3","3","6","2","6","1","3","1") = "5"
    & skf21("3","3","6","2","6","1","4","1") = "5"
    & skf21("3","3","6","2","6","1","5","1") = "5"
    & skf21("3","3","6","2","6","1","6","1") = "5"
    & skf21("3","3","6","2","6","1","7","1") = "6"
    & skf21("3","3","6","2","6","2","1","1") = "5"
    & skf21("3","3","6","2","6","2","2","1") = "5"
    & skf21("3","3","6","2","6","2","3","1") = "5"
    & skf21("3","3","6","2","6","2","4","1") = "5"
    & skf21("3","3","6","2","6","2","5","1") = "5"
    & skf21("3","3","6","2","6","2","6","1") = "5"
    & skf21("3","3","6","2","6","2","7","1") = "6"
    & skf21("3","3","6","2","6","3","1","1") = "5"
    & skf21("3","3","6","2","6","3","2","1") = "5"
    & skf21("3","3","6","2","6","3","3","1") = "5"
    & skf21("3","3","6","2","6","3","4","1") = "5"
    & skf21("3","3","6","2","6","3","5","1") = "5"
    & skf21("3","3","6","2","6","3","6","1") = "5"
    & skf21("3","3","6","2","6","3","7","1") = "6"
    & skf21("3","3","6","2","6","4","1","1") = "5"
    & skf21("3","3","6","2","6","4","2","1") = "5"
    & skf21("3","3","6","2","6","4","3","1") = "5"
    & skf21("3","3","6","2","6","4","4","1") = "5"
    & skf21("3","3","6","2","6","4","5","1") = "5"
    & skf21("3","3","6","2","6","4","6","1") = "5"
    & skf21("3","3","6","2","6","4","7","1") = "6"
    & skf21("3","3","6","2","6","5","1","1") = "5"
    & skf21("3","3","6","2","6","5","2","1") = "5"
    & skf21("3","3","6","2","6","5","3","1") = "5"
    & skf21("3","3","6","2","6","5","4","1") = "5"
    & skf21("3","3","6","2","6","5","5","1") = "5"
    & skf21("3","3","6","2","6","5","6","1") = "5"
    & skf21("3","3","6","2","6","5","7","1") = "6"
    & skf21("3","3","6","2","6","6","1","1") = "5"
    & skf21("3","3","6","2","6","6","2","1") = "5"
    & skf21("3","3","6","2","6","6","3","1") = "5"
    & skf21("3","3","6","2","6","6","4","1") = "5"
    & skf21("3","3","6","2","6","6","5","1") = "5"
    & skf21("3","3","6","2","6","6","6","1") = "5"
    & skf21("3","3","6","2","6","6","7","1") = "6"
    & skf21("3","3","6","2","6","7","1","1") = "6"
    & skf21("3","3","6","2","6","7","2","1") = "6"
    & skf21("3","3","6","2","6","7","3","1") = "6"
    & skf21("3","3","6","2","6","7","4","1") = "6"
    & skf21("3","3","6","2","6","7","5","1") = "6"
    & skf21("3","3","6","2","6","7","6","1") = "6"
    & skf21("3","3","6","2","6","7","7","1") = "6"
    & skf21("3","3","6","2","7","1","1","1") = "6"
    & skf21("3","3","6","2","7","1","2","1") = "6"
    & skf21("3","3","6","2","7","1","3","1") = "6"
    & skf21("3","3","6","2","7","1","4","1") = "6"
    & skf21("3","3","6","2","7","1","5","1") = "6"
    & skf21("3","3","6","2","7","1","6","1") = "6"
    & skf21("3","3","6","2","7","1","7","1") = "6"
    & skf21("3","3","6","2","7","2","1","1") = "6"
    & skf21("3","3","6","2","7","2","2","1") = "6"
    & skf21("3","3","6","2","7","2","3","1") = "6"
    & skf21("3","3","6","2","7","2","4","1") = "6"
    & skf21("3","3","6","2","7","2","5","1") = "6"
    & skf21("3","3","6","2","7","2","6","1") = "6"
    & skf21("3","3","6","2","7","2","7","1") = "6"
    & skf21("3","3","6","2","7","3","1","1") = "6"
    & skf21("3","3","6","2","7","3","2","1") = "6"
    & skf21("3","3","6","2","7","3","3","1") = "6"
    & skf21("3","3","6","2","7","3","4","1") = "6"
    & skf21("3","3","6","2","7","3","5","1") = "6"
    & skf21("3","3","6","2","7","3","6","1") = "6"
    & skf21("3","3","6","2","7","3","7","1") = "6"
    & skf21("3","3","6","2","7","4","1","1") = "6"
    & skf21("3","3","6","2","7","4","2","1") = "6"
    & skf21("3","3","6","2","7","4","3","1") = "6"
    & skf21("3","3","6","2","7","4","4","1") = "6"
    & skf21("3","3","6","2","7","4","5","1") = "6"
    & skf21("3","3","6","2","7","4","6","1") = "6"
    & skf21("3","3","6","2","7","4","7","1") = "6"
    & skf21("3","3","6","2","7","5","1","1") = "6"
    & skf21("3","3","6","2","7","5","2","1") = "6"
    & skf21("3","3","6","2","7","5","3","1") = "6"
    & skf21("3","3","6","2","7","5","4","1") = "6"
    & skf21("3","3","6","2","7","5","5","1") = "6"
    & skf21("3","3","6","2","7","5","6","1") = "6"
    & skf21("3","3","6","2","7","5","7","1") = "6"
    & skf21("3","3","6","2","7","6","1","1") = "6"
    & skf21("3","3","6","2","7","6","2","1") = "6"
    & skf21("3","3","6","2","7","6","3","1") = "6"
    & skf21("3","3","6","2","7","6","4","1") = "6"
    & skf21("3","3","6","2","7","6","5","1") = "6"
    & skf21("3","3","6","2","7","6","6","1") = "6"
    & skf21("3","3","6","2","7","6","7","1") = "6"
    & skf21("3","3","6","2","7","7","1","1") = "6"
    & skf21("3","3","6","2","7","7","2","1") = "6"
    & skf21("3","3","6","2","7","7","3","1") = "6"
    & skf21("3","3","6","2","7","7","4","1") = "6"
    & skf21("3","3","6","2","7","7","5","1") = "6"
    & skf21("3","3","6","2","7","7","6","1") = "6"
    & skf21("3","3","6","2","7","7","7","1") = "6"
    & skf21("3","3","6","3","1","1","1","1") = "5"
    & skf21("3","3","6","3","1","1","2","1") = "5"
    & skf21("3","3","6","3","1","1","3","1") = "5"
    & skf21("3","3","6","3","1","1","4","1") = "5"
    & skf21("3","3","6","3","1","1","5","1") = "5"
    & skf21("3","3","6","3","1","1","6","1") = "5"
    & skf21("3","3","6","3","1","1","7","1") = "6"
    & skf21("3","3","6","3","1","2","1","1") = "5"
    & skf21("3","3","6","3","1","2","2","1") = "5"
    & skf21("3","3","6","3","1","2","3","1") = "5"
    & skf21("3","3","6","3","1","2","4","1") = "5"
    & skf21("3","3","6","3","1","2","5","1") = "5"
    & skf21("3","3","6","3","1","2","6","1") = "5"
    & skf21("3","3","6","3","1","2","7","1") = "6"
    & skf21("3","3","6","3","1","3","1","1") = "5"
    & skf21("3","3","6","3","1","3","2","1") = "5"
    & skf21("3","3","6","3","1","3","3","1") = "5"
    & skf21("3","3","6","3","1","3","4","1") = "5"
    & skf21("3","3","6","3","1","3","5","1") = "5"
    & skf21("3","3","6","3","1","3","6","1") = "5"
    & skf21("3","3","6","3","1","3","7","1") = "6"
    & skf21("3","3","6","3","1","4","1","1") = "5"
    & skf21("3","3","6","3","1","4","2","1") = "5"
    & skf21("3","3","6","3","1","4","3","1") = "5"
    & skf21("3","3","6","3","1","4","4","1") = "5"
    & skf21("3","3","6","3","1","4","5","1") = "5"
    & skf21("3","3","6","3","1","4","6","1") = "5"
    & skf21("3","3","6","3","1","4","7","1") = "6"
    & skf21("3","3","6","3","1","5","1","1") = "5"
    & skf21("3","3","6","3","1","5","2","1") = "5"
    & skf21("3","3","6","3","1","5","3","1") = "5"
    & skf21("3","3","6","3","1","5","4","1") = "5"
    & skf21("3","3","6","3","1","5","5","1") = "5"
    & skf21("3","3","6","3","1","5","6","1") = "5"
    & skf21("3","3","6","3","1","5","7","1") = "6"
    & skf21("3","3","6","3","1","6","1","1") = "5"
    & skf21("3","3","6","3","1","6","2","1") = "5"
    & skf21("3","3","6","3","1","6","3","1") = "5"
    & skf21("3","3","6","3","1","6","4","1") = "5"
    & skf21("3","3","6","3","1","6","5","1") = "5"
    & skf21("3","3","6","3","1","6","6","1") = "5"
    & skf21("3","3","6","3","1","6","7","1") = "6"
    & skf21("3","3","6","3","1","7","1","1") = "6"
    & skf21("3","3","6","3","1","7","2","1") = "6"
    & skf21("3","3","6","3","1","7","3","1") = "6"
    & skf21("3","3","6","3","1","7","4","1") = "6"
    & skf21("3","3","6","3","1","7","5","1") = "6"
    & skf21("3","3","6","3","1","7","6","1") = "6"
    & skf21("3","3","6","3","1","7","7","1") = "6"
    & skf21("3","3","6","3","2","1","1","1") = "5"
    & skf21("3","3","6","3","2","1","2","1") = "5"
    & skf21("3","3","6","3","2","1","3","1") = "5"
    & skf21("3","3","6","3","2","1","4","1") = "5"
    & skf21("3","3","6","3","2","1","5","1") = "5"
    & skf21("3","3","6","3","2","1","6","1") = "5"
    & skf21("3","3","6","3","2","1","7","1") = "6"
    & skf21("3","3","6","3","2","2","1","1") = "5"
    & skf21("3","3","6","3","2","2","2","1") = "5"
    & skf21("3","3","6","3","2","2","3","1") = "5"
    & skf21("3","3","6","3","2","2","4","1") = "5"
    & skf21("3","3","6","3","2","2","5","1") = "5"
    & skf21("3","3","6","3","2","2","6","1") = "5"
    & skf21("3","3","6","3","2","2","7","1") = "6"
    & skf21("3","3","6","3","2","3","1","1") = "5"
    & skf21("3","3","6","3","2","3","2","1") = "5"
    & skf21("3","3","6","3","2","3","3","1") = "5"
    & skf21("3","3","6","3","2","3","4","1") = "5"
    & skf21("3","3","6","3","2","3","5","1") = "5"
    & skf21("3","3","6","3","2","3","6","1") = "5"
    & skf21("3","3","6","3","2","3","7","1") = "6"
    & skf21("3","3","6","3","2","4","1","1") = "5"
    & skf21("3","3","6","3","2","4","2","1") = "5"
    & skf21("3","3","6","3","2","4","3","1") = "5"
    & skf21("3","3","6","3","2","4","4","1") = "5"
    & skf21("3","3","6","3","2","4","5","1") = "5"
    & skf21("3","3","6","3","2","4","6","1") = "5"
    & skf21("3","3","6","3","2","4","7","1") = "6"
    & skf21("3","3","6","3","2","5","1","1") = "5"
    & skf21("3","3","6","3","2","5","2","1") = "5"
    & skf21("3","3","6","3","2","5","3","1") = "5"
    & skf21("3","3","6","3","2","5","4","1") = "5"
    & skf21("3","3","6","3","2","5","5","1") = "5"
    & skf21("3","3","6","3","2","5","6","1") = "5"
    & skf21("3","3","6","3","2","5","7","1") = "6"
    & skf21("3","3","6","3","2","6","1","1") = "5"
    & skf21("3","3","6","3","2","6","2","1") = "5"
    & skf21("3","3","6","3","2","6","3","1") = "5"
    & skf21("3","3","6","3","2","6","4","1") = "5"
    & skf21("3","3","6","3","2","6","5","1") = "5"
    & skf21("3","3","6","3","2","6","6","1") = "5"
    & skf21("3","3","6","3","2","6","7","1") = "6"
    & skf21("3","3","6","3","2","7","1","1") = "6"
    & skf21("3","3","6","3","2","7","2","1") = "6"
    & skf21("3","3","6","3","2","7","3","1") = "6"
    & skf21("3","3","6","3","2","7","4","1") = "6"
    & skf21("3","3","6","3","2","7","5","1") = "6"
    & skf21("3","3","6","3","2","7","6","1") = "6"
    & skf21("3","3","6","3","2","7","7","1") = "6"
    & skf21("3","3","6","3","3","1","1","1") = "5"
    & skf21("3","3","6","3","3","1","2","1") = "5"
    & skf21("3","3","6","3","3","1","3","1") = "5"
    & skf21("3","3","6","3","3","1","4","1") = "5"
    & skf21("3","3","6","3","3","1","5","1") = "5"
    & skf21("3","3","6","3","3","1","6","1") = "5"
    & skf21("3","3","6","3","3","1","7","1") = "6"
    & skf21("3","3","6","3","3","2","1","1") = "5"
    & skf21("3","3","6","3","3","2","2","1") = "5"
    & skf21("3","3","6","3","3","2","3","1") = "5"
    & skf21("3","3","6","3","3","2","4","1") = "5"
    & skf21("3","3","6","3","3","2","5","1") = "5"
    & skf21("3","3","6","3","3","2","6","1") = "5"
    & skf21("3","3","6","3","3","2","7","1") = "6"
    & skf21("3","3","6","3","3","3","1","1") = "5"
    & skf21("3","3","6","3","3","3","2","1") = "5"
    & skf21("3","3","6","3","3","3","3","1") = "5"
    & skf21("3","3","6","3","3","3","4","1") = "5"
    & skf21("3","3","6","3","3","3","5","1") = "5"
    & skf21("3","3","6","3","3","3","6","1") = "5"
    & skf21("3","3","6","3","3","3","7","1") = "6"
    & skf21("3","3","6","3","3","4","1","1") = "5"
    & skf21("3","3","6","3","3","4","2","1") = "5"
    & skf21("3","3","6","3","3","4","3","1") = "5"
    & skf21("3","3","6","3","3","4","4","1") = "5"
    & skf21("3","3","6","3","3","4","5","1") = "5"
    & skf21("3","3","6","3","3","4","6","1") = "5"
    & skf21("3","3","6","3","3","4","7","1") = "6"
    & skf21("3","3","6","3","3","5","1","1") = "5"
    & skf21("3","3","6","3","3","5","2","1") = "5"
    & skf21("3","3","6","3","3","5","3","1") = "5"
    & skf21("3","3","6","3","3","5","4","1") = "5"
    & skf21("3","3","6","3","3","5","5","1") = "5"
    & skf21("3","3","6","3","3","5","6","1") = "5"
    & skf21("3","3","6","3","3","5","7","1") = "6"
    & skf21("3","3","6","3","3","6","1","1") = "5"
    & skf21("3","3","6","3","3","6","2","1") = "5"
    & skf21("3","3","6","3","3","6","3","1") = "5"
    & skf21("3","3","6","3","3","6","4","1") = "5"
    & skf21("3","3","6","3","3","6","5","1") = "5"
    & skf21("3","3","6","3","3","6","6","1") = "5"
    & skf21("3","3","6","3","3","6","7","1") = "6"
    & skf21("3","3","6","3","3","7","1","1") = "6"
    & skf21("3","3","6","3","3","7","2","1") = "6"
    & skf21("3","3","6","3","3","7","3","1") = "6"
    & skf21("3","3","6","3","3","7","4","1") = "6"
    & skf21("3","3","6","3","3","7","5","1") = "6"
    & skf21("3","3","6","3","3","7","6","1") = "6"
    & skf21("3","3","6","3","3","7","7","1") = "6"
    & skf21("3","3","6","3","4","1","1","1") = "5"
    & skf21("3","3","6","3","4","1","2","1") = "5"
    & skf21("3","3","6","3","4","1","3","1") = "5"
    & skf21("3","3","6","3","4","1","4","1") = "5"
    & skf21("3","3","6","3","4","1","5","1") = "5"
    & skf21("3","3","6","3","4","1","6","1") = "5"
    & skf21("3","3","6","3","4","1","7","1") = "6"
    & skf21("3","3","6","3","4","2","1","1") = "5"
    & skf21("3","3","6","3","4","2","2","1") = "5"
    & skf21("3","3","6","3","4","2","3","1") = "5"
    & skf21("3","3","6","3","4","2","4","1") = "5"
    & skf21("3","3","6","3","4","2","5","1") = "5"
    & skf21("3","3","6","3","4","2","6","1") = "5"
    & skf21("3","3","6","3","4","2","7","1") = "6"
    & skf21("3","3","6","3","4","3","1","1") = "5"
    & skf21("3","3","6","3","4","3","2","1") = "5"
    & skf21("3","3","6","3","4","3","3","1") = "5"
    & skf21("3","3","6","3","4","3","4","1") = "5"
    & skf21("3","3","6","3","4","3","5","1") = "5"
    & skf21("3","3","6","3","4","3","6","1") = "5"
    & skf21("3","3","6","3","4","3","7","1") = "6"
    & skf21("3","3","6","3","4","4","1","1") = "5"
    & skf21("3","3","6","3","4","4","2","1") = "5"
    & skf21("3","3","6","3","4","4","3","1") = "5"
    & skf21("3","3","6","3","4","4","4","1") = "5"
    & skf21("3","3","6","3","4","4","5","1") = "5"
    & skf21("3","3","6","3","4","4","6","1") = "5"
    & skf21("3","3","6","3","4","4","7","1") = "6"
    & skf21("3","3","6","3","4","5","1","1") = "5"
    & skf21("3","3","6","3","4","5","2","1") = "5"
    & skf21("3","3","6","3","4","5","3","1") = "5"
    & skf21("3","3","6","3","4","5","4","1") = "5"
    & skf21("3","3","6","3","4","5","5","1") = "5"
    & skf21("3","3","6","3","4","5","6","1") = "5"
    & skf21("3","3","6","3","4","5","7","1") = "6"
    & skf21("3","3","6","3","4","6","1","1") = "5"
    & skf21("3","3","6","3","4","6","2","1") = "5"
    & skf21("3","3","6","3","4","6","3","1") = "5"
    & skf21("3","3","6","3","4","6","4","1") = "5"
    & skf21("3","3","6","3","4","6","5","1") = "5"
    & skf21("3","3","6","3","4","6","6","1") = "5"
    & skf21("3","3","6","3","4","6","7","1") = "6"
    & skf21("3","3","6","3","4","7","1","1") = "6"
    & skf21("3","3","6","3","4","7","2","1") = "6"
    & skf21("3","3","6","3","4","7","3","1") = "6"
    & skf21("3","3","6","3","4","7","4","1") = "6"
    & skf21("3","3","6","3","4","7","5","1") = "6"
    & skf21("3","3","6","3","4","7","6","1") = "6"
    & skf21("3","3","6","3","4","7","7","1") = "6"
    & skf21("3","3","6","3","5","1","1","1") = "5"
    & skf21("3","3","6","3","5","1","2","1") = "5"
    & skf21("3","3","6","3","5","1","3","1") = "5"
    & skf21("3","3","6","3","5","1","4","1") = "5"
    & skf21("3","3","6","3","5","1","5","1") = "5"
    & skf21("3","3","6","3","5","1","6","1") = "5"
    & skf21("3","3","6","3","5","1","7","1") = "6"
    & skf21("3","3","6","3","5","2","1","1") = "5"
    & skf21("3","3","6","3","5","2","2","1") = "5"
    & skf21("3","3","6","3","5","2","3","1") = "5"
    & skf21("3","3","6","3","5","2","4","1") = "5"
    & skf21("3","3","6","3","5","2","5","1") = "5"
    & skf21("3","3","6","3","5","2","6","1") = "5"
    & skf21("3","3","6","3","5","2","7","1") = "6"
    & skf21("3","3","6","3","5","3","1","1") = "5"
    & skf21("3","3","6","3","5","3","2","1") = "5"
    & skf21("3","3","6","3","5","3","3","1") = "5"
    & skf21("3","3","6","3","5","3","4","1") = "5"
    & skf21("3","3","6","3","5","3","5","1") = "5"
    & skf21("3","3","6","3","5","3","6","1") = "5"
    & skf21("3","3","6","3","5","3","7","1") = "6"
    & skf21("3","3","6","3","5","4","1","1") = "5"
    & skf21("3","3","6","3","5","4","2","1") = "5"
    & skf21("3","3","6","3","5","4","3","1") = "5"
    & skf21("3","3","6","3","5","4","4","1") = "5"
    & skf21("3","3","6","3","5","4","5","1") = "5"
    & skf21("3","3","6","3","5","4","6","1") = "5"
    & skf21("3","3","6","3","5","4","7","1") = "6"
    & skf21("3","3","6","3","5","5","1","1") = "5"
    & skf21("3","3","6","3","5","5","2","1") = "5"
    & skf21("3","3","6","3","5","5","3","1") = "5"
    & skf21("3","3","6","3","5","5","4","1") = "5"
    & skf21("3","3","6","3","5","5","5","1") = "5"
    & skf21("3","3","6","3","5","5","6","1") = "5"
    & skf21("3","3","6","3","5","5","7","1") = "6"
    & skf21("3","3","6","3","5","6","1","1") = "5"
    & skf21("3","3","6","3","5","6","2","1") = "5"
    & skf21("3","3","6","3","5","6","3","1") = "5"
    & skf21("3","3","6","3","5","6","4","1") = "5"
    & skf21("3","3","6","3","5","6","5","1") = "5"
    & skf21("3","3","6","3","5","6","6","1") = "5"
    & skf21("3","3","6","3","5","6","7","1") = "6"
    & skf21("3","3","6","3","5","7","1","1") = "6"
    & skf21("3","3","6","3","5","7","2","1") = "6"
    & skf21("3","3","6","3","5","7","3","1") = "6"
    & skf21("3","3","6","3","5","7","4","1") = "6"
    & skf21("3","3","6","3","5","7","5","1") = "6"
    & skf21("3","3","6","3","5","7","6","1") = "6"
    & skf21("3","3","6","3","5","7","7","1") = "6"
    & skf21("3","3","6","3","6","1","1","1") = "5"
    & skf21("3","3","6","3","6","1","2","1") = "5"
    & skf21("3","3","6","3","6","1","3","1") = "5"
    & skf21("3","3","6","3","6","1","4","1") = "5"
    & skf21("3","3","6","3","6","1","5","1") = "5"
    & skf21("3","3","6","3","6","1","6","1") = "5"
    & skf21("3","3","6","3","6","1","7","1") = "6"
    & skf21("3","3","6","3","6","2","1","1") = "5"
    & skf21("3","3","6","3","6","2","2","1") = "5"
    & skf21("3","3","6","3","6","2","3","1") = "5"
    & skf21("3","3","6","3","6","2","4","1") = "5"
    & skf21("3","3","6","3","6","2","5","1") = "5"
    & skf21("3","3","6","3","6","2","6","1") = "5"
    & skf21("3","3","6","3","6","2","7","1") = "6"
    & skf21("3","3","6","3","6","3","1","1") = "5"
    & skf21("3","3","6","3","6","3","2","1") = "5"
    & skf21("3","3","6","3","6","3","3","1") = "5"
    & skf21("3","3","6","3","6","3","4","1") = "5"
    & skf21("3","3","6","3","6","3","5","1") = "5"
    & skf21("3","3","6","3","6","3","6","1") = "5"
    & skf21("3","3","6","3","6","3","7","1") = "6"
    & skf21("3","3","6","3","6","4","1","1") = "5"
    & skf21("3","3","6","3","6","4","2","1") = "5"
    & skf21("3","3","6","3","6","4","3","1") = "5"
    & skf21("3","3","6","3","6","4","4","1") = "5"
    & skf21("3","3","6","3","6","4","5","1") = "5"
    & skf21("3","3","6","3","6","4","6","1") = "5"
    & skf21("3","3","6","3","6","4","7","1") = "6"
    & skf21("3","3","6","3","6","5","1","1") = "5"
    & skf21("3","3","6","3","6","5","2","1") = "5"
    & skf21("3","3","6","3","6","5","3","1") = "5"
    & skf21("3","3","6","3","6","5","4","1") = "5"
    & skf21("3","3","6","3","6","5","5","1") = "5"
    & skf21("3","3","6","3","6","5","6","1") = "5"
    & skf21("3","3","6","3","6","5","7","1") = "6"
    & skf21("3","3","6","3","6","6","1","1") = "5"
    & skf21("3","3","6","3","6","6","2","1") = "5"
    & skf21("3","3","6","3","6","6","3","1") = "5"
    & skf21("3","3","6","3","6","6","4","1") = "5"
    & skf21("3","3","6","3","6","6","5","1") = "5"
    & skf21("3","3","6","3","6","6","6","1") = "5"
    & skf21("3","3","6","3","6","6","7","1") = "6"
    & skf21("3","3","6","3","6","7","1","1") = "6"
    & skf21("3","3","6","3","6","7","2","1") = "6"
    & skf21("3","3","6","3","6","7","3","1") = "6"
    & skf21("3","3","6","3","6","7","4","1") = "6"
    & skf21("3","3","6","3","6","7","5","1") = "6"
    & skf21("3","3","6","3","6","7","6","1") = "6"
    & skf21("3","3","6","3","6","7","7","1") = "6"
    & skf21("3","3","6","3","7","1","1","1") = "6"
    & skf21("3","3","6","3","7","1","2","1") = "6"
    & skf21("3","3","6","3","7","1","3","1") = "6"
    & skf21("3","3","6","3","7","1","4","1") = "6"
    & skf21("3","3","6","3","7","1","5","1") = "6"
    & skf21("3","3","6","3","7","1","6","1") = "6"
    & skf21("3","3","6","3","7","1","7","1") = "6"
    & skf21("3","3","6","3","7","2","1","1") = "6"
    & skf21("3","3","6","3","7","2","2","1") = "6"
    & skf21("3","3","6","3","7","2","3","1") = "6"
    & skf21("3","3","6","3","7","2","4","1") = "6"
    & skf21("3","3","6","3","7","2","5","1") = "6"
    & skf21("3","3","6","3","7","2","6","1") = "6"
    & skf21("3","3","6","3","7","2","7","1") = "6"
    & skf21("3","3","6","3","7","3","1","1") = "6"
    & skf21("3","3","6","3","7","3","2","1") = "6"
    & skf21("3","3","6","3","7","3","3","1") = "6"
    & skf21("3","3","6","3","7","3","4","1") = "6"
    & skf21("3","3","6","3","7","3","5","1") = "6"
    & skf21("3","3","6","3","7","3","6","1") = "6"
    & skf21("3","3","6","3","7","3","7","1") = "6"
    & skf21("3","3","6","3","7","4","1","1") = "6"
    & skf21("3","3","6","3","7","4","2","1") = "6"
    & skf21("3","3","6","3","7","4","3","1") = "6"
    & skf21("3","3","6","3","7","4","4","1") = "6"
    & skf21("3","3","6","3","7","4","5","1") = "6"
    & skf21("3","3","6","3","7","4","6","1") = "6"
    & skf21("3","3","6","3","7","4","7","1") = "6"
    & skf21("3","3","6","3","7","5","1","1") = "6"
    & skf21("3","3","6","3","7","5","2","1") = "6"
    & skf21("3","3","6","3","7","5","3","1") = "6"
    & skf21("3","3","6","3","7","5","4","1") = "6"
    & skf21("3","3","6","3","7","5","5","1") = "6"
    & skf21("3","3","6","3","7","5","6","1") = "6"
    & skf21("3","3","6","3","7","5","7","1") = "6"
    & skf21("3","3","6","3","7","6","1","1") = "6"
    & skf21("3","3","6","3","7","6","2","1") = "6"
    & skf21("3","3","6","3","7","6","3","1") = "6"
    & skf21("3","3","6","3","7","6","4","1") = "6"
    & skf21("3","3","6","3","7","6","5","1") = "6"
    & skf21("3","3","6","3","7","6","6","1") = "6"
    & skf21("3","3","6","3","7","6","7","1") = "6"
    & skf21("3","3","6","3","7","7","1","1") = "6"
    & skf21("3","3","6","3","7","7","2","1") = "6"
    & skf21("3","3","6","3","7","7","3","1") = "6"
    & skf21("3","3","6","3","7","7","4","1") = "6"
    & skf21("3","3","6","3","7","7","5","1") = "6"
    & skf21("3","3","6","3","7","7","6","1") = "6"
    & skf21("3","3","6","3","7","7","7","1") = "6"
    & skf21("3","3","6","4","1","1","1","1") = "5"
    & skf21("3","3","6","4","1","1","2","1") = "5"
    & skf21("3","3","6","4","1","1","3","1") = "5"
    & skf21("3","3","6","4","1","1","4","1") = "5"
    & skf21("3","3","6","4","1","1","5","1") = "5"
    & skf21("3","3","6","4","1","1","6","1") = "5"
    & skf21("3","3","6","4","1","1","7","1") = "6"
    & skf21("3","3","6","4","1","2","1","1") = "5"
    & skf21("3","3","6","4","1","2","2","1") = "5"
    & skf21("3","3","6","4","1","2","3","1") = "5"
    & skf21("3","3","6","4","1","2","4","1") = "5"
    & skf21("3","3","6","4","1","2","5","1") = "5"
    & skf21("3","3","6","4","1","2","6","1") = "5"
    & skf21("3","3","6","4","1","2","7","1") = "6"
    & skf21("3","3","6","4","1","3","1","1") = "5"
    & skf21("3","3","6","4","1","3","2","1") = "5"
    & skf21("3","3","6","4","1","3","3","1") = "5"
    & skf21("3","3","6","4","1","3","4","1") = "5"
    & skf21("3","3","6","4","1","3","5","1") = "5"
    & skf21("3","3","6","4","1","3","6","1") = "5"
    & skf21("3","3","6","4","1","3","7","1") = "6"
    & skf21("3","3","6","4","1","4","1","1") = "5"
    & skf21("3","3","6","4","1","4","2","1") = "5"
    & skf21("3","3","6","4","1","4","3","1") = "5"
    & skf21("3","3","6","4","1","4","4","1") = "5"
    & skf21("3","3","6","4","1","4","5","1") = "5"
    & skf21("3","3","6","4","1","4","6","1") = "5"
    & skf21("3","3","6","4","1","4","7","1") = "6"
    & skf21("3","3","6","4","1","5","1","1") = "5"
    & skf21("3","3","6","4","1","5","2","1") = "5"
    & skf21("3","3","6","4","1","5","3","1") = "5"
    & skf21("3","3","6","4","1","5","4","1") = "5"
    & skf21("3","3","6","4","1","5","5","1") = "5"
    & skf21("3","3","6","4","1","5","6","1") = "5"
    & skf21("3","3","6","4","1","5","7","1") = "6"
    & skf21("3","3","6","4","1","6","1","1") = "5"
    & skf21("3","3","6","4","1","6","2","1") = "5"
    & skf21("3","3","6","4","1","6","3","1") = "5"
    & skf21("3","3","6","4","1","6","4","1") = "5"
    & skf21("3","3","6","4","1","6","5","1") = "5"
    & skf21("3","3","6","4","1","6","6","1") = "5"
    & skf21("3","3","6","4","1","6","7","1") = "6"
    & skf21("3","3","6","4","1","7","1","1") = "6"
    & skf21("3","3","6","4","1","7","2","1") = "6"
    & skf21("3","3","6","4","1","7","3","1") = "6"
    & skf21("3","3","6","4","1","7","4","1") = "6"
    & skf21("3","3","6","4","1","7","5","1") = "6"
    & skf21("3","3","6","4","1","7","6","1") = "6"
    & skf21("3","3","6","4","1","7","7","1") = "6"
    & skf21("3","3","6","4","2","1","1","1") = "5"
    & skf21("3","3","6","4","2","1","2","1") = "5"
    & skf21("3","3","6","4","2","1","3","1") = "5"
    & skf21("3","3","6","4","2","1","4","1") = "5"
    & skf21("3","3","6","4","2","1","5","1") = "5"
    & skf21("3","3","6","4","2","1","6","1") = "5"
    & skf21("3","3","6","4","2","1","7","1") = "6"
    & skf21("3","3","6","4","2","2","1","1") = "5"
    & skf21("3","3","6","4","2","2","2","1") = "5"
    & skf21("3","3","6","4","2","2","3","1") = "5"
    & skf21("3","3","6","4","2","2","4","1") = "5"
    & skf21("3","3","6","4","2","2","5","1") = "5"
    & skf21("3","3","6","4","2","2","6","1") = "5"
    & skf21("3","3","6","4","2","2","7","1") = "6"
    & skf21("3","3","6","4","2","3","1","1") = "5"
    & skf21("3","3","6","4","2","3","2","1") = "5"
    & skf21("3","3","6","4","2","3","3","1") = "5"
    & skf21("3","3","6","4","2","3","4","1") = "5"
    & skf21("3","3","6","4","2","3","5","1") = "5"
    & skf21("3","3","6","4","2","3","6","1") = "5"
    & skf21("3","3","6","4","2","3","7","1") = "6"
    & skf21("3","3","6","4","2","4","1","1") = "5"
    & skf21("3","3","6","4","2","4","2","1") = "5"
    & skf21("3","3","6","4","2","4","3","1") = "5"
    & skf21("3","3","6","4","2","4","4","1") = "5"
    & skf21("3","3","6","4","2","4","5","1") = "5"
    & skf21("3","3","6","4","2","4","6","1") = "5"
    & skf21("3","3","6","4","2","4","7","1") = "6"
    & skf21("3","3","6","4","2","5","1","1") = "5"
    & skf21("3","3","6","4","2","5","2","1") = "5"
    & skf21("3","3","6","4","2","5","3","1") = "5"
    & skf21("3","3","6","4","2","5","4","1") = "5"
    & skf21("3","3","6","4","2","5","5","1") = "5"
    & skf21("3","3","6","4","2","5","6","1") = "5"
    & skf21("3","3","6","4","2","5","7","1") = "6"
    & skf21("3","3","6","4","2","6","1","1") = "5"
    & skf21("3","3","6","4","2","6","2","1") = "5"
    & skf21("3","3","6","4","2","6","3","1") = "5"
    & skf21("3","3","6","4","2","6","4","1") = "5"
    & skf21("3","3","6","4","2","6","5","1") = "5"
    & skf21("3","3","6","4","2","6","6","1") = "5"
    & skf21("3","3","6","4","2","6","7","1") = "6"
    & skf21("3","3","6","4","2","7","1","1") = "6"
    & skf21("3","3","6","4","2","7","2","1") = "6"
    & skf21("3","3","6","4","2","7","3","1") = "6"
    & skf21("3","3","6","4","2","7","4","1") = "6"
    & skf21("3","3","6","4","2","7","5","1") = "6"
    & skf21("3","3","6","4","2","7","6","1") = "6"
    & skf21("3","3","6","4","2","7","7","1") = "6"
    & skf21("3","3","6","4","3","1","1","1") = "5"
    & skf21("3","3","6","4","3","1","2","1") = "5"
    & skf21("3","3","6","4","3","1","3","1") = "5"
    & skf21("3","3","6","4","3","1","4","1") = "5"
    & skf21("3","3","6","4","3","1","5","1") = "5"
    & skf21("3","3","6","4","3","1","6","1") = "5"
    & skf21("3","3","6","4","3","1","7","1") = "6"
    & skf21("3","3","6","4","3","2","1","1") = "5"
    & skf21("3","3","6","4","3","2","2","1") = "5"
    & skf21("3","3","6","4","3","2","3","1") = "5"
    & skf21("3","3","6","4","3","2","4","1") = "5"
    & skf21("3","3","6","4","3","2","5","1") = "5"
    & skf21("3","3","6","4","3","2","6","1") = "5"
    & skf21("3","3","6","4","3","2","7","1") = "6"
    & skf21("3","3","6","4","3","3","1","1") = "5"
    & skf21("3","3","6","4","3","3","2","1") = "5"
    & skf21("3","3","6","4","3","3","3","1") = "5"
    & skf21("3","3","6","4","3","3","4","1") = "5"
    & skf21("3","3","6","4","3","3","5","1") = "5"
    & skf21("3","3","6","4","3","3","6","1") = "5"
    & skf21("3","3","6","4","3","3","7","1") = "6"
    & skf21("3","3","6","4","3","4","1","1") = "5"
    & skf21("3","3","6","4","3","4","2","1") = "5"
    & skf21("3","3","6","4","3","4","3","1") = "5"
    & skf21("3","3","6","4","3","4","4","1") = "5"
    & skf21("3","3","6","4","3","4","5","1") = "5"
    & skf21("3","3","6","4","3","4","6","1") = "5"
    & skf21("3","3","6","4","3","4","7","1") = "6"
    & skf21("3","3","6","4","3","5","1","1") = "5"
    & skf21("3","3","6","4","3","5","2","1") = "5"
    & skf21("3","3","6","4","3","5","3","1") = "5"
    & skf21("3","3","6","4","3","5","4","1") = "5"
    & skf21("3","3","6","4","3","5","5","1") = "5"
    & skf21("3","3","6","4","3","5","6","1") = "5"
    & skf21("3","3","6","4","3","5","7","1") = "6"
    & skf21("3","3","6","4","3","6","1","1") = "5"
    & skf21("3","3","6","4","3","6","2","1") = "5"
    & skf21("3","3","6","4","3","6","3","1") = "5"
    & skf21("3","3","6","4","3","6","4","1") = "5"
    & skf21("3","3","6","4","3","6","5","1") = "5"
    & skf21("3","3","6","4","3","6","6","1") = "5"
    & skf21("3","3","6","4","3","6","7","1") = "6"
    & skf21("3","3","6","4","3","7","1","1") = "6"
    & skf21("3","3","6","4","3","7","2","1") = "6"
    & skf21("3","3","6","4","3","7","3","1") = "6"
    & skf21("3","3","6","4","3","7","4","1") = "6"
    & skf21("3","3","6","4","3","7","5","1") = "6"
    & skf21("3","3","6","4","3","7","6","1") = "6"
    & skf21("3","3","6","4","3","7","7","1") = "6"
    & skf21("3","3","6","4","4","1","1","1") = "5"
    & skf21("3","3","6","4","4","1","2","1") = "5"
    & skf21("3","3","6","4","4","1","3","1") = "5"
    & skf21("3","3","6","4","4","1","4","1") = "5"
    & skf21("3","3","6","4","4","1","5","1") = "5"
    & skf21("3","3","6","4","4","1","6","1") = "5"
    & skf21("3","3","6","4","4","1","7","1") = "6"
    & skf21("3","3","6","4","4","2","1","1") = "5"
    & skf21("3","3","6","4","4","2","2","1") = "5"
    & skf21("3","3","6","4","4","2","3","1") = "5"
    & skf21("3","3","6","4","4","2","4","1") = "5"
    & skf21("3","3","6","4","4","2","5","1") = "5"
    & skf21("3","3","6","4","4","2","6","1") = "5"
    & skf21("3","3","6","4","4","2","7","1") = "6"
    & skf21("3","3","6","4","4","3","1","1") = "5"
    & skf21("3","3","6","4","4","3","2","1") = "5"
    & skf21("3","3","6","4","4","3","3","1") = "5"
    & skf21("3","3","6","4","4","3","4","1") = "5"
    & skf21("3","3","6","4","4","3","5","1") = "5"
    & skf21("3","3","6","4","4","3","6","1") = "5"
    & skf21("3","3","6","4","4","3","7","1") = "6"
    & skf21("3","3","6","4","4","4","1","1") = "5"
    & skf21("3","3","6","4","4","4","2","1") = "5"
    & skf21("3","3","6","4","4","4","3","1") = "5"
    & skf21("3","3","6","4","4","4","4","1") = "5"
    & skf21("3","3","6","4","4","4","5","1") = "5"
    & skf21("3","3","6","4","4","4","6","1") = "5"
    & skf21("3","3","6","4","4","4","7","1") = "6"
    & skf21("3","3","6","4","4","5","1","1") = "5"
    & skf21("3","3","6","4","4","5","2","1") = "5"
    & skf21("3","3","6","4","4","5","3","1") = "5"
    & skf21("3","3","6","4","4","5","4","1") = "5"
    & skf21("3","3","6","4","4","5","5","1") = "5"
    & skf21("3","3","6","4","4","5","6","1") = "5"
    & skf21("3","3","6","4","4","5","7","1") = "6"
    & skf21("3","3","6","4","4","6","1","1") = "5"
    & skf21("3","3","6","4","4","6","2","1") = "5"
    & skf21("3","3","6","4","4","6","3","1") = "5"
    & skf21("3","3","6","4","4","6","4","1") = "5"
    & skf21("3","3","6","4","4","6","5","1") = "5"
    & skf21("3","3","6","4","4","6","6","1") = "5"
    & skf21("3","3","6","4","4","6","7","1") = "6"
    & skf21("3","3","6","4","4","7","1","1") = "6"
    & skf21("3","3","6","4","4","7","2","1") = "6"
    & skf21("3","3","6","4","4","7","3","1") = "6"
    & skf21("3","3","6","4","4","7","4","1") = "6"
    & skf21("3","3","6","4","4","7","5","1") = "6"
    & skf21("3","3","6","4","4","7","6","1") = "6"
    & skf21("3","3","6","4","4","7","7","1") = "6"
    & skf21("3","3","6","4","5","1","1","1") = "5"
    & skf21("3","3","6","4","5","1","2","1") = "5"
    & skf21("3","3","6","4","5","1","3","1") = "5"
    & skf21("3","3","6","4","5","1","4","1") = "5"
    & skf21("3","3","6","4","5","1","5","1") = "5"
    & skf21("3","3","6","4","5","1","6","1") = "5"
    & skf21("3","3","6","4","5","1","7","1") = "6"
    & skf21("3","3","6","4","5","2","1","1") = "5"
    & skf21("3","3","6","4","5","2","2","1") = "5"
    & skf21("3","3","6","4","5","2","3","1") = "5"
    & skf21("3","3","6","4","5","2","4","1") = "5"
    & skf21("3","3","6","4","5","2","5","1") = "5"
    & skf21("3","3","6","4","5","2","6","1") = "5"
    & skf21("3","3","6","4","5","2","7","1") = "6"
    & skf21("3","3","6","4","5","3","1","1") = "5"
    & skf21("3","3","6","4","5","3","2","1") = "5"
    & skf21("3","3","6","4","5","3","3","1") = "5"
    & skf21("3","3","6","4","5","3","4","1") = "5"
    & skf21("3","3","6","4","5","3","5","1") = "5"
    & skf21("3","3","6","4","5","3","6","1") = "5"
    & skf21("3","3","6","4","5","3","7","1") = "6"
    & skf21("3","3","6","4","5","4","1","1") = "5"
    & skf21("3","3","6","4","5","4","2","1") = "5"
    & skf21("3","3","6","4","5","4","3","1") = "5"
    & skf21("3","3","6","4","5","4","4","1") = "5"
    & skf21("3","3","6","4","5","4","5","1") = "5"
    & skf21("3","3","6","4","5","4","6","1") = "5"
    & skf21("3","3","6","4","5","4","7","1") = "6"
    & skf21("3","3","6","4","5","5","1","1") = "5"
    & skf21("3","3","6","4","5","5","2","1") = "5"
    & skf21("3","3","6","4","5","5","3","1") = "5"
    & skf21("3","3","6","4","5","5","4","1") = "5"
    & skf21("3","3","6","4","5","5","5","1") = "5"
    & skf21("3","3","6","4","5","5","6","1") = "5"
    & skf21("3","3","6","4","5","5","7","1") = "6"
    & skf21("3","3","6","4","5","6","1","1") = "5"
    & skf21("3","3","6","4","5","6","2","1") = "5"
    & skf21("3","3","6","4","5","6","3","1") = "5"
    & skf21("3","3","6","4","5","6","4","1") = "5"
    & skf21("3","3","6","4","5","6","5","1") = "5"
    & skf21("3","3","6","4","5","6","6","1") = "5"
    & skf21("3","3","6","4","5","6","7","1") = "6"
    & skf21("3","3","6","4","5","7","1","1") = "6"
    & skf21("3","3","6","4","5","7","2","1") = "6"
    & skf21("3","3","6","4","5","7","3","1") = "6"
    & skf21("3","3","6","4","5","7","4","1") = "6"
    & skf21("3","3","6","4","5","7","5","1") = "6"
    & skf21("3","3","6","4","5","7","6","1") = "6"
    & skf21("3","3","6","4","5","7","7","1") = "6"
    & skf21("3","3","6","4","6","1","1","1") = "5"
    & skf21("3","3","6","4","6","1","2","1") = "5"
    & skf21("3","3","6","4","6","1","3","1") = "5"
    & skf21("3","3","6","4","6","1","4","1") = "5"
    & skf21("3","3","6","4","6","1","5","1") = "5"
    & skf21("3","3","6","4","6","1","6","1") = "5"
    & skf21("3","3","6","4","6","1","7","1") = "6"
    & skf21("3","3","6","4","6","2","1","1") = "5"
    & skf21("3","3","6","4","6","2","2","1") = "5"
    & skf21("3","3","6","4","6","2","3","1") = "5"
    & skf21("3","3","6","4","6","2","4","1") = "5"
    & skf21("3","3","6","4","6","2","5","1") = "5"
    & skf21("3","3","6","4","6","2","6","1") = "5"
    & skf21("3","3","6","4","6","2","7","1") = "6"
    & skf21("3","3","6","4","6","3","1","1") = "5"
    & skf21("3","3","6","4","6","3","2","1") = "5"
    & skf21("3","3","6","4","6","3","3","1") = "5"
    & skf21("3","3","6","4","6","3","4","1") = "5"
    & skf21("3","3","6","4","6","3","5","1") = "5"
    & skf21("3","3","6","4","6","3","6","1") = "5"
    & skf21("3","3","6","4","6","3","7","1") = "6"
    & skf21("3","3","6","4","6","4","1","1") = "5"
    & skf21("3","3","6","4","6","4","2","1") = "5"
    & skf21("3","3","6","4","6","4","3","1") = "5"
    & skf21("3","3","6","4","6","4","4","1") = "5"
    & skf21("3","3","6","4","6","4","5","1") = "5"
    & skf21("3","3","6","4","6","4","6","1") = "5"
    & skf21("3","3","6","4","6","4","7","1") = "6"
    & skf21("3","3","6","4","6","5","1","1") = "5"
    & skf21("3","3","6","4","6","5","2","1") = "5"
    & skf21("3","3","6","4","6","5","3","1") = "5"
    & skf21("3","3","6","4","6","5","4","1") = "5"
    & skf21("3","3","6","4","6","5","5","1") = "5"
    & skf21("3","3","6","4","6","5","6","1") = "5"
    & skf21("3","3","6","4","6","5","7","1") = "6"
    & skf21("3","3","6","4","6","6","1","1") = "5"
    & skf21("3","3","6","4","6","6","2","1") = "5"
    & skf21("3","3","6","4","6","6","3","1") = "5"
    & skf21("3","3","6","4","6","6","4","1") = "5"
    & skf21("3","3","6","4","6","6","5","1") = "5"
    & skf21("3","3","6","4","6","6","6","1") = "5"
    & skf21("3","3","6","4","6","6","7","1") = "6"
    & skf21("3","3","6","4","6","7","1","1") = "6"
    & skf21("3","3","6","4","6","7","2","1") = "6"
    & skf21("3","3","6","4","6","7","3","1") = "6"
    & skf21("3","3","6","4","6","7","4","1") = "6"
    & skf21("3","3","6","4","6","7","5","1") = "6"
    & skf21("3","3","6","4","6","7","6","1") = "6"
    & skf21("3","3","6","4","6","7","7","1") = "6"
    & skf21("3","3","6","4","7","1","1","1") = "6"
    & skf21("3","3","6","4","7","1","2","1") = "6"
    & skf21("3","3","6","4","7","1","3","1") = "6"
    & skf21("3","3","6","4","7","1","4","1") = "6"
    & skf21("3","3","6","4","7","1","5","1") = "6"
    & skf21("3","3","6","4","7","1","6","1") = "6"
    & skf21("3","3","6","4","7","1","7","1") = "6"
    & skf21("3","3","6","4","7","2","1","1") = "6"
    & skf21("3","3","6","4","7","2","2","1") = "6"
    & skf21("3","3","6","4","7","2","3","1") = "6"
    & skf21("3","3","6","4","7","2","4","1") = "6"
    & skf21("3","3","6","4","7","2","5","1") = "6"
    & skf21("3","3","6","4","7","2","6","1") = "6"
    & skf21("3","3","6","4","7","2","7","1") = "6"
    & skf21("3","3","6","4","7","3","1","1") = "6"
    & skf21("3","3","6","4","7","3","2","1") = "6"
    & skf21("3","3","6","4","7","3","3","1") = "6"
    & skf21("3","3","6","4","7","3","4","1") = "6"
    & skf21("3","3","6","4","7","3","5","1") = "6"
    & skf21("3","3","6","4","7","3","6","1") = "6"
    & skf21("3","3","6","4","7","3","7","1") = "6"
    & skf21("3","3","6","4","7","4","1","1") = "6"
    & skf21("3","3","6","4","7","4","2","1") = "6"
    & skf21("3","3","6","4","7","4","3","1") = "6"
    & skf21("3","3","6","4","7","4","4","1") = "6"
    & skf21("3","3","6","4","7","4","5","1") = "6"
    & skf21("3","3","6","4","7","4","6","1") = "6"
    & skf21("3","3","6","4","7","4","7","1") = "6"
    & skf21("3","3","6","4","7","5","1","1") = "6"
    & skf21("3","3","6","4","7","5","2","1") = "6"
    & skf21("3","3","6","4","7","5","3","1") = "6"
    & skf21("3","3","6","4","7","5","4","1") = "6"
    & skf21("3","3","6","4","7","5","5","1") = "6"
    & skf21("3","3","6","4","7","5","6","1") = "6"
    & skf21("3","3","6","4","7","5","7","1") = "6"
    & skf21("3","3","6","4","7","6","1","1") = "6"
    & skf21("3","3","6","4","7","6","2","1") = "6"
    & skf21("3","3","6","4","7","6","3","1") = "6"
    & skf21("3","3","6","4","7","6","4","1") = "6"
    & skf21("3","3","6","4","7","6","5","1") = "6"
    & skf21("3","3","6","4","7","6","6","1") = "6"
    & skf21("3","3","6","4","7","6","7","1") = "6"
    & skf21("3","3","6","4","7","7","1","1") = "6"
    & skf21("3","3","6","4","7","7","2","1") = "6"
    & skf21("3","3","6","4","7","7","3","1") = "6"
    & skf21("3","3","6","4","7","7","4","1") = "6"
    & skf21("3","3","6","4","7","7","5","1") = "6"
    & skf21("3","3","6","4","7","7","6","1") = "6"
    & skf21("3","3","6","4","7","7","7","1") = "6"
    & skf21("3","3","6","5","1","1","1","1") = "5"
    & skf21("3","3","6","5","1","1","2","1") = "5"
    & skf21("3","3","6","5","1","1","3","1") = "5"
    & skf21("3","3","6","5","1","1","4","1") = "5"
    & skf21("3","3","6","5","1","1","5","1") = "5"
    & skf21("3","3","6","5","1","1","6","1") = "5"
    & skf21("3","3","6","5","1","1","7","1") = "6"
    & skf21("3","3","6","5","1","2","1","1") = "5"
    & skf21("3","3","6","5","1","2","2","1") = "5"
    & skf21("3","3","6","5","1","2","3","1") = "5"
    & skf21("3","3","6","5","1","2","4","1") = "5"
    & skf21("3","3","6","5","1","2","5","1") = "5"
    & skf21("3","3","6","5","1","2","6","1") = "5"
    & skf21("3","3","6","5","1","2","7","1") = "6"
    & skf21("3","3","6","5","1","3","1","1") = "5"
    & skf21("3","3","6","5","1","3","2","1") = "5"
    & skf21("3","3","6","5","1","3","3","1") = "5"
    & skf21("3","3","6","5","1","3","4","1") = "5"
    & skf21("3","3","6","5","1","3","5","1") = "5"
    & skf21("3","3","6","5","1","3","6","1") = "5"
    & skf21("3","3","6","5","1","3","7","1") = "6"
    & skf21("3","3","6","5","1","4","1","1") = "5"
    & skf21("3","3","6","5","1","4","2","1") = "5"
    & skf21("3","3","6","5","1","4","3","1") = "5"
    & skf21("3","3","6","5","1","4","4","1") = "5"
    & skf21("3","3","6","5","1","4","5","1") = "5"
    & skf21("3","3","6","5","1","4","6","1") = "5"
    & skf21("3","3","6","5","1","4","7","1") = "6"
    & skf21("3","3","6","5","1","5","1","1") = "5"
    & skf21("3","3","6","5","1","5","2","1") = "5"
    & skf21("3","3","6","5","1","5","3","1") = "5"
    & skf21("3","3","6","5","1","5","4","1") = "5"
    & skf21("3","3","6","5","1","5","5","1") = "5"
    & skf21("3","3","6","5","1","5","6","1") = "5"
    & skf21("3","3","6","5","1","5","7","1") = "6"
    & skf21("3","3","6","5","1","6","1","1") = "5"
    & skf21("3","3","6","5","1","6","2","1") = "5"
    & skf21("3","3","6","5","1","6","3","1") = "5"
    & skf21("3","3","6","5","1","6","4","1") = "5"
    & skf21("3","3","6","5","1","6","5","1") = "5"
    & skf21("3","3","6","5","1","6","6","1") = "5"
    & skf21("3","3","6","5","1","6","7","1") = "6"
    & skf21("3","3","6","5","1","7","1","1") = "6"
    & skf21("3","3","6","5","1","7","2","1") = "6"
    & skf21("3","3","6","5","1","7","3","1") = "6"
    & skf21("3","3","6","5","1","7","4","1") = "6"
    & skf21("3","3","6","5","1","7","5","1") = "6"
    & skf21("3","3","6","5","1","7","6","1") = "6"
    & skf21("3","3","6","5","1","7","7","1") = "6"
    & skf21("3","3","6","5","2","1","1","1") = "5"
    & skf21("3","3","6","5","2","1","2","1") = "5"
    & skf21("3","3","6","5","2","1","3","1") = "5"
    & skf21("3","3","6","5","2","1","4","1") = "5"
    & skf21("3","3","6","5","2","1","5","1") = "5"
    & skf21("3","3","6","5","2","1","6","1") = "5"
    & skf21("3","3","6","5","2","1","7","1") = "6"
    & skf21("3","3","6","5","2","2","1","1") = "5"
    & skf21("3","3","6","5","2","2","2","1") = "5"
    & skf21("3","3","6","5","2","2","3","1") = "5"
    & skf21("3","3","6","5","2","2","4","1") = "5"
    & skf21("3","3","6","5","2","2","5","1") = "5"
    & skf21("3","3","6","5","2","2","6","1") = "5"
    & skf21("3","3","6","5","2","2","7","1") = "6"
    & skf21("3","3","6","5","2","3","1","1") = "5"
    & skf21("3","3","6","5","2","3","2","1") = "5"
    & skf21("3","3","6","5","2","3","3","1") = "5"
    & skf21("3","3","6","5","2","3","4","1") = "5"
    & skf21("3","3","6","5","2","3","5","1") = "5"
    & skf21("3","3","6","5","2","3","6","1") = "5"
    & skf21("3","3","6","5","2","3","7","1") = "6"
    & skf21("3","3","6","5","2","4","1","1") = "5"
    & skf21("3","3","6","5","2","4","2","1") = "5"
    & skf21("3","3","6","5","2","4","3","1") = "5"
    & skf21("3","3","6","5","2","4","4","1") = "5"
    & skf21("3","3","6","5","2","4","5","1") = "5"
    & skf21("3","3","6","5","2","4","6","1") = "5"
    & skf21("3","3","6","5","2","4","7","1") = "6"
    & skf21("3","3","6","5","2","5","1","1") = "5"
    & skf21("3","3","6","5","2","5","2","1") = "5"
    & skf21("3","3","6","5","2","5","3","1") = "5"
    & skf21("3","3","6","5","2","5","4","1") = "5"
    & skf21("3","3","6","5","2","5","5","1") = "5"
    & skf21("3","3","6","5","2","5","6","1") = "5"
    & skf21("3","3","6","5","2","5","7","1") = "6"
    & skf21("3","3","6","5","2","6","1","1") = "5"
    & skf21("3","3","6","5","2","6","2","1") = "5"
    & skf21("3","3","6","5","2","6","3","1") = "5"
    & skf21("3","3","6","5","2","6","4","1") = "5"
    & skf21("3","3","6","5","2","6","5","1") = "5"
    & skf21("3","3","6","5","2","6","6","1") = "5"
    & skf21("3","3","6","5","2","6","7","1") = "6"
    & skf21("3","3","6","5","2","7","1","1") = "6"
    & skf21("3","3","6","5","2","7","2","1") = "6"
    & skf21("3","3","6","5","2","7","3","1") = "6"
    & skf21("3","3","6","5","2","7","4","1") = "6"
    & skf21("3","3","6","5","2","7","5","1") = "6"
    & skf21("3","3","6","5","2","7","6","1") = "6"
    & skf21("3","3","6","5","2","7","7","1") = "6"
    & skf21("3","3","6","5","3","1","1","1") = "5"
    & skf21("3","3","6","5","3","1","2","1") = "5"
    & skf21("3","3","6","5","3","1","3","1") = "5"
    & skf21("3","3","6","5","3","1","4","1") = "5"
    & skf21("3","3","6","5","3","1","5","1") = "5"
    & skf21("3","3","6","5","3","1","6","1") = "5"
    & skf21("3","3","6","5","3","1","7","1") = "6"
    & skf21("3","3","6","5","3","2","1","1") = "5"
    & skf21("3","3","6","5","3","2","2","1") = "5"
    & skf21("3","3","6","5","3","2","3","1") = "5"
    & skf21("3","3","6","5","3","2","4","1") = "5"
    & skf21("3","3","6","5","3","2","5","1") = "5"
    & skf21("3","3","6","5","3","2","6","1") = "5"
    & skf21("3","3","6","5","3","2","7","1") = "6"
    & skf21("3","3","6","5","3","3","1","1") = "5"
    & skf21("3","3","6","5","3","3","2","1") = "5"
    & skf21("3","3","6","5","3","3","3","1") = "5"
    & skf21("3","3","6","5","3","3","4","1") = "5"
    & skf21("3","3","6","5","3","3","5","1") = "5"
    & skf21("3","3","6","5","3","3","6","1") = "5"
    & skf21("3","3","6","5","3","3","7","1") = "6"
    & skf21("3","3","6","5","3","4","1","1") = "5"
    & skf21("3","3","6","5","3","4","2","1") = "5"
    & skf21("3","3","6","5","3","4","3","1") = "5"
    & skf21("3","3","6","5","3","4","4","1") = "5"
    & skf21("3","3","6","5","3","4","5","1") = "5"
    & skf21("3","3","6","5","3","4","6","1") = "5"
    & skf21("3","3","6","5","3","4","7","1") = "6"
    & skf21("3","3","6","5","3","5","1","1") = "5"
    & skf21("3","3","6","5","3","5","2","1") = "5"
    & skf21("3","3","6","5","3","5","3","1") = "5"
    & skf21("3","3","6","5","3","5","4","1") = "5"
    & skf21("3","3","6","5","3","5","5","1") = "5"
    & skf21("3","3","6","5","3","5","6","1") = "5"
    & skf21("3","3","6","5","3","5","7","1") = "6"
    & skf21("3","3","6","5","3","6","1","1") = "5"
    & skf21("3","3","6","5","3","6","2","1") = "5"
    & skf21("3","3","6","5","3","6","3","1") = "5"
    & skf21("3","3","6","5","3","6","4","1") = "5"
    & skf21("3","3","6","5","3","6","5","1") = "5"
    & skf21("3","3","6","5","3","6","6","1") = "5"
    & skf21("3","3","6","5","3","6","7","1") = "6"
    & skf21("3","3","6","5","3","7","1","1") = "6"
    & skf21("3","3","6","5","3","7","2","1") = "6"
    & skf21("3","3","6","5","3","7","3","1") = "6"
    & skf21("3","3","6","5","3","7","4","1") = "6"
    & skf21("3","3","6","5","3","7","5","1") = "6"
    & skf21("3","3","6","5","3","7","6","1") = "6"
    & skf21("3","3","6","5","3","7","7","1") = "6"
    & skf21("3","3","6","5","4","1","1","1") = "5"
    & skf21("3","3","6","5","4","1","2","1") = "5"
    & skf21("3","3","6","5","4","1","3","1") = "5"
    & skf21("3","3","6","5","4","1","4","1") = "5"
    & skf21("3","3","6","5","4","1","5","1") = "5"
    & skf21("3","3","6","5","4","1","6","1") = "5"
    & skf21("3","3","6","5","4","1","7","1") = "6"
    & skf21("3","3","6","5","4","2","1","1") = "5"
    & skf21("3","3","6","5","4","2","2","1") = "5"
    & skf21("3","3","6","5","4","2","3","1") = "5"
    & skf21("3","3","6","5","4","2","4","1") = "5"
    & skf21("3","3","6","5","4","2","5","1") = "5"
    & skf21("3","3","6","5","4","2","6","1") = "5"
    & skf21("3","3","6","5","4","2","7","1") = "6"
    & skf21("3","3","6","5","4","3","1","1") = "5"
    & skf21("3","3","6","5","4","3","2","1") = "5"
    & skf21("3","3","6","5","4","3","3","1") = "5"
    & skf21("3","3","6","5","4","3","4","1") = "5"
    & skf21("3","3","6","5","4","3","5","1") = "5"
    & skf21("3","3","6","5","4","3","6","1") = "5"
    & skf21("3","3","6","5","4","3","7","1") = "6"
    & skf21("3","3","6","5","4","4","1","1") = "5"
    & skf21("3","3","6","5","4","4","2","1") = "5"
    & skf21("3","3","6","5","4","4","3","1") = "5"
    & skf21("3","3","6","5","4","4","4","1") = "5"
    & skf21("3","3","6","5","4","4","5","1") = "5"
    & skf21("3","3","6","5","4","4","6","1") = "5"
    & skf21("3","3","6","5","4","4","7","1") = "6"
    & skf21("3","3","6","5","4","5","1","1") = "5"
    & skf21("3","3","6","5","4","5","2","1") = "5"
    & skf21("3","3","6","5","4","5","3","1") = "5"
    & skf21("3","3","6","5","4","5","4","1") = "5"
    & skf21("3","3","6","5","4","5","5","1") = "5"
    & skf21("3","3","6","5","4","5","6","1") = "5"
    & skf21("3","3","6","5","4","5","7","1") = "6"
    & skf21("3","3","6","5","4","6","1","1") = "5"
    & skf21("3","3","6","5","4","6","2","1") = "5"
    & skf21("3","3","6","5","4","6","3","1") = "5"
    & skf21("3","3","6","5","4","6","4","1") = "5"
    & skf21("3","3","6","5","4","6","5","1") = "5"
    & skf21("3","3","6","5","4","6","6","1") = "5"
    & skf21("3","3","6","5","4","6","7","1") = "6"
    & skf21("3","3","6","5","4","7","1","1") = "6"
    & skf21("3","3","6","5","4","7","2","1") = "6"
    & skf21("3","3","6","5","4","7","3","1") = "6"
    & skf21("3","3","6","5","4","7","4","1") = "6"
    & skf21("3","3","6","5","4","7","5","1") = "6"
    & skf21("3","3","6","5","4","7","6","1") = "6"
    & skf21("3","3","6","5","4","7","7","1") = "6"
    & skf21("3","3","6","5","5","1","1","1") = "5"
    & skf21("3","3","6","5","5","1","2","1") = "5"
    & skf21("3","3","6","5","5","1","3","1") = "5"
    & skf21("3","3","6","5","5","1","4","1") = "5"
    & skf21("3","3","6","5","5","1","5","1") = "5"
    & skf21("3","3","6","5","5","1","6","1") = "5"
    & skf21("3","3","6","5","5","1","7","1") = "6"
    & skf21("3","3","6","5","5","2","1","1") = "5"
    & skf21("3","3","6","5","5","2","2","1") = "5"
    & skf21("3","3","6","5","5","2","3","1") = "5"
    & skf21("3","3","6","5","5","2","4","1") = "5"
    & skf21("3","3","6","5","5","2","5","1") = "5"
    & skf21("3","3","6","5","5","2","6","1") = "5"
    & skf21("3","3","6","5","5","2","7","1") = "6"
    & skf21("3","3","6","5","5","3","1","1") = "5"
    & skf21("3","3","6","5","5","3","2","1") = "5"
    & skf21("3","3","6","5","5","3","3","1") = "5"
    & skf21("3","3","6","5","5","3","4","1") = "5"
    & skf21("3","3","6","5","5","3","5","1") = "5"
    & skf21("3","3","6","5","5","3","6","1") = "5"
    & skf21("3","3","6","5","5","3","7","1") = "6"
    & skf21("3","3","6","5","5","4","1","1") = "5"
    & skf21("3","3","6","5","5","4","2","1") = "5"
    & skf21("3","3","6","5","5","4","3","1") = "5"
    & skf21("3","3","6","5","5","4","4","1") = "5"
    & skf21("3","3","6","5","5","4","5","1") = "5"
    & skf21("3","3","6","5","5","4","6","1") = "5"
    & skf21("3","3","6","5","5","4","7","1") = "6"
    & skf21("3","3","6","5","5","5","1","1") = "5"
    & skf21("3","3","6","5","5","5","2","1") = "5"
    & skf21("3","3","6","5","5","5","3","1") = "5"
    & skf21("3","3","6","5","5","5","4","1") = "5"
    & skf21("3","3","6","5","5","5","5","1") = "5"
    & skf21("3","3","6","5","5","5","6","1") = "5"
    & skf21("3","3","6","5","5","5","7","1") = "6"
    & skf21("3","3","6","5","5","6","1","1") = "5"
    & skf21("3","3","6","5","5","6","2","1") = "5"
    & skf21("3","3","6","5","5","6","3","1") = "5"
    & skf21("3","3","6","5","5","6","4","1") = "5"
    & skf21("3","3","6","5","5","6","5","1") = "5"
    & skf21("3","3","6","5","5","6","6","1") = "5"
    & skf21("3","3","6","5","5","6","7","1") = "6"
    & skf21("3","3","6","5","5","7","1","1") = "6"
    & skf21("3","3","6","5","5","7","2","1") = "6"
    & skf21("3","3","6","5","5","7","3","1") = "6"
    & skf21("3","3","6","5","5","7","4","1") = "6"
    & skf21("3","3","6","5","5","7","5","1") = "6"
    & skf21("3","3","6","5","5","7","6","1") = "6"
    & skf21("3","3","6","5","5","7","7","1") = "6"
    & skf21("3","3","6","5","6","1","1","1") = "5"
    & skf21("3","3","6","5","6","1","2","1") = "5"
    & skf21("3","3","6","5","6","1","3","1") = "5"
    & skf21("3","3","6","5","6","1","4","1") = "5"
    & skf21("3","3","6","5","6","1","5","1") = "5"
    & skf21("3","3","6","5","6","1","6","1") = "5"
    & skf21("3","3","6","5","6","1","7","1") = "6"
    & skf21("3","3","6","5","6","2","1","1") = "5"
    & skf21("3","3","6","5","6","2","2","1") = "5"
    & skf21("3","3","6","5","6","2","3","1") = "5"
    & skf21("3","3","6","5","6","2","4","1") = "5"
    & skf21("3","3","6","5","6","2","5","1") = "5"
    & skf21("3","3","6","5","6","2","6","1") = "5"
    & skf21("3","3","6","5","6","2","7","1") = "6"
    & skf21("3","3","6","5","6","3","1","1") = "5"
    & skf21("3","3","6","5","6","3","2","1") = "5"
    & skf21("3","3","6","5","6","3","3","1") = "5"
    & skf21("3","3","6","5","6","3","4","1") = "5"
    & skf21("3","3","6","5","6","3","5","1") = "5"
    & skf21("3","3","6","5","6","3","6","1") = "5"
    & skf21("3","3","6","5","6","3","7","1") = "6"
    & skf21("3","3","6","5","6","4","1","1") = "5"
    & skf21("3","3","6","5","6","4","2","1") = "5"
    & skf21("3","3","6","5","6","4","3","1") = "5"
    & skf21("3","3","6","5","6","4","4","1") = "5"
    & skf21("3","3","6","5","6","4","5","1") = "5"
    & skf21("3","3","6","5","6","4","6","1") = "5"
    & skf21("3","3","6","5","6","4","7","1") = "6"
    & skf21("3","3","6","5","6","5","1","1") = "5"
    & skf21("3","3","6","5","6","5","2","1") = "5"
    & skf21("3","3","6","5","6","5","3","1") = "5"
    & skf21("3","3","6","5","6","5","4","1") = "5"
    & skf21("3","3","6","5","6","5","5","1") = "5"
    & skf21("3","3","6","5","6","5","6","1") = "5"
    & skf21("3","3","6","5","6","5","7","1") = "6"
    & skf21("3","3","6","5","6","6","1","1") = "5"
    & skf21("3","3","6","5","6","6","2","1") = "5"
    & skf21("3","3","6","5","6","6","3","1") = "5"
    & skf21("3","3","6","5","6","6","4","1") = "5"
    & skf21("3","3","6","5","6","6","5","1") = "5"
    & skf21("3","3","6","5","6","6","6","1") = "5"
    & skf21("3","3","6","5","6","6","7","1") = "6"
    & skf21("3","3","6","5","6","7","1","1") = "6"
    & skf21("3","3","6","5","6","7","2","1") = "6"
    & skf21("3","3","6","5","6","7","3","1") = "6"
    & skf21("3","3","6","5","6","7","4","1") = "6"
    & skf21("3","3","6","5","6","7","5","1") = "6"
    & skf21("3","3","6","5","6","7","6","1") = "6"
    & skf21("3","3","6","5","6","7","7","1") = "6"
    & skf21("3","3","6","5","7","1","1","1") = "6"
    & skf21("3","3","6","5","7","1","2","1") = "6"
    & skf21("3","3","6","5","7","1","3","1") = "6"
    & skf21("3","3","6","5","7","1","4","1") = "6"
    & skf21("3","3","6","5","7","1","5","1") = "6"
    & skf21("3","3","6","5","7","1","6","1") = "6"
    & skf21("3","3","6","5","7","1","7","1") = "6"
    & skf21("3","3","6","5","7","2","1","1") = "6"
    & skf21("3","3","6","5","7","2","2","1") = "6"
    & skf21("3","3","6","5","7","2","3","1") = "6"
    & skf21("3","3","6","5","7","2","4","1") = "6"
    & skf21("3","3","6","5","7","2","5","1") = "6"
    & skf21("3","3","6","5","7","2","6","1") = "6"
    & skf21("3","3","6","5","7","2","7","1") = "6"
    & skf21("3","3","6","5","7","3","1","1") = "6"
    & skf21("3","3","6","5","7","3","2","1") = "6"
    & skf21("3","3","6","5","7","3","3","1") = "6"
    & skf21("3","3","6","5","7","3","4","1") = "6"
    & skf21("3","3","6","5","7","3","5","1") = "6"
    & skf21("3","3","6","5","7","3","6","1") = "6"
    & skf21("3","3","6","5","7","3","7","1") = "6"
    & skf21("3","3","6","5","7","4","1","1") = "6"
    & skf21("3","3","6","5","7","4","2","1") = "6"
    & skf21("3","3","6","5","7","4","3","1") = "6"
    & skf21("3","3","6","5","7","4","4","1") = "6"
    & skf21("3","3","6","5","7","4","5","1") = "6"
    & skf21("3","3","6","5","7","4","6","1") = "6"
    & skf21("3","3","6","5","7","4","7","1") = "6"
    & skf21("3","3","6","5","7","5","1","1") = "6"
    & skf21("3","3","6","5","7","5","2","1") = "6"
    & skf21("3","3","6","5","7","5","3","1") = "6"
    & skf21("3","3","6","5","7","5","4","1") = "6"
    & skf21("3","3","6","5","7","5","5","1") = "6"
    & skf21("3","3","6","5","7","5","6","1") = "6"
    & skf21("3","3","6","5","7","5","7","1") = "6"
    & skf21("3","3","6","5","7","6","1","1") = "6"
    & skf21("3","3","6","5","7","6","2","1") = "6"
    & skf21("3","3","6","5","7","6","3","1") = "6"
    & skf21("3","3","6","5","7","6","4","1") = "6"
    & skf21("3","3","6","5","7","6","5","1") = "6"
    & skf21("3","3","6","5","7","6","6","1") = "6"
    & skf21("3","3","6","5","7","6","7","1") = "6"
    & skf21("3","3","6","5","7","7","1","1") = "6"
    & skf21("3","3","6","5","7","7","2","1") = "6"
    & skf21("3","3","6","5","7","7","3","1") = "6"
    & skf21("3","3","6","5","7","7","4","1") = "6"
    & skf21("3","3","6","5","7","7","5","1") = "6"
    & skf21("3","3","6","5","7","7","6","1") = "6"
    & skf21("3","3","6","5","7","7","7","1") = "6"
    & skf21("3","3","6","6","1","1","1","1") = "5"
    & skf21("3","3","6","6","1","1","2","1") = "5"
    & skf21("3","3","6","6","1","1","3","1") = "5"
    & skf21("3","3","6","6","1","1","4","1") = "5"
    & skf21("3","3","6","6","1","1","5","1") = "5"
    & skf21("3","3","6","6","1","1","6","1") = "5"
    & skf21("3","3","6","6","1","1","7","1") = "6"
    & skf21("3","3","6","6","1","2","1","1") = "5"
    & skf21("3","3","6","6","1","2","2","1") = "5"
    & skf21("3","3","6","6","1","2","3","1") = "5"
    & skf21("3","3","6","6","1","2","4","1") = "5"
    & skf21("3","3","6","6","1","2","5","1") = "5"
    & skf21("3","3","6","6","1","2","6","1") = "5"
    & skf21("3","3","6","6","1","2","7","1") = "6"
    & skf21("3","3","6","6","1","3","1","1") = "5"
    & skf21("3","3","6","6","1","3","2","1") = "5"
    & skf21("3","3","6","6","1","3","3","1") = "5"
    & skf21("3","3","6","6","1","3","4","1") = "5"
    & skf21("3","3","6","6","1","3","5","1") = "5"
    & skf21("3","3","6","6","1","3","6","1") = "5"
    & skf21("3","3","6","6","1","3","7","1") = "6"
    & skf21("3","3","6","6","1","4","1","1") = "5"
    & skf21("3","3","6","6","1","4","2","1") = "5"
    & skf21("3","3","6","6","1","4","3","1") = "5"
    & skf21("3","3","6","6","1","4","4","1") = "5"
    & skf21("3","3","6","6","1","4","5","1") = "5"
    & skf21("3","3","6","6","1","4","6","1") = "5"
    & skf21("3","3","6","6","1","4","7","1") = "6"
    & skf21("3","3","6","6","1","5","1","1") = "5"
    & skf21("3","3","6","6","1","5","2","1") = "5"
    & skf21("3","3","6","6","1","5","3","1") = "5"
    & skf21("3","3","6","6","1","5","4","1") = "5"
    & skf21("3","3","6","6","1","5","5","1") = "5"
    & skf21("3","3","6","6","1","5","6","1") = "5"
    & skf21("3","3","6","6","1","5","7","1") = "6"
    & skf21("3","3","6","6","1","6","1","1") = "5"
    & skf21("3","3","6","6","1","6","2","1") = "5"
    & skf21("3","3","6","6","1","6","3","1") = "5"
    & skf21("3","3","6","6","1","6","4","1") = "5"
    & skf21("3","3","6","6","1","6","5","1") = "5"
    & skf21("3","3","6","6","1","6","6","1") = "5"
    & skf21("3","3","6","6","1","6","7","1") = "6"
    & skf21("3","3","6","6","1","7","1","1") = "6"
    & skf21("3","3","6","6","1","7","2","1") = "6"
    & skf21("3","3","6","6","1","7","3","1") = "6"
    & skf21("3","3","6","6","1","7","4","1") = "6"
    & skf21("3","3","6","6","1","7","5","1") = "6"
    & skf21("3","3","6","6","1","7","6","1") = "6"
    & skf21("3","3","6","6","1","7","7","1") = "6"
    & skf21("3","3","6","6","2","1","1","1") = "5"
    & skf21("3","3","6","6","2","1","2","1") = "5"
    & skf21("3","3","6","6","2","1","3","1") = "5"
    & skf21("3","3","6","6","2","1","4","1") = "5"
    & skf21("3","3","6","6","2","1","5","1") = "5"
    & skf21("3","3","6","6","2","1","6","1") = "5"
    & skf21("3","3","6","6","2","1","7","1") = "6"
    & skf21("3","3","6","6","2","2","1","1") = "5"
    & skf21("3","3","6","6","2","2","2","1") = "5"
    & skf21("3","3","6","6","2","2","3","1") = "5"
    & skf21("3","3","6","6","2","2","4","1") = "5"
    & skf21("3","3","6","6","2","2","5","1") = "5"
    & skf21("3","3","6","6","2","2","6","1") = "5"
    & skf21("3","3","6","6","2","2","7","1") = "6"
    & skf21("3","3","6","6","2","3","1","1") = "5"
    & skf21("3","3","6","6","2","3","2","1") = "5"
    & skf21("3","3","6","6","2","3","3","1") = "5"
    & skf21("3","3","6","6","2","3","4","1") = "5"
    & skf21("3","3","6","6","2","3","5","1") = "5"
    & skf21("3","3","6","6","2","3","6","1") = "5"
    & skf21("3","3","6","6","2","3","7","1") = "6"
    & skf21("3","3","6","6","2","4","1","1") = "5"
    & skf21("3","3","6","6","2","4","2","1") = "5"
    & skf21("3","3","6","6","2","4","3","1") = "5"
    & skf21("3","3","6","6","2","4","4","1") = "5"
    & skf21("3","3","6","6","2","4","5","1") = "5"
    & skf21("3","3","6","6","2","4","6","1") = "5"
    & skf21("3","3","6","6","2","4","7","1") = "6"
    & skf21("3","3","6","6","2","5","1","1") = "5"
    & skf21("3","3","6","6","2","5","2","1") = "5"
    & skf21("3","3","6","6","2","5","3","1") = "5"
    & skf21("3","3","6","6","2","5","4","1") = "5"
    & skf21("3","3","6","6","2","5","5","1") = "5"
    & skf21("3","3","6","6","2","5","6","1") = "5"
    & skf21("3","3","6","6","2","5","7","1") = "6"
    & skf21("3","3","6","6","2","6","1","1") = "5"
    & skf21("3","3","6","6","2","6","2","1") = "5"
    & skf21("3","3","6","6","2","6","3","1") = "5"
    & skf21("3","3","6","6","2","6","4","1") = "5"
    & skf21("3","3","6","6","2","6","5","1") = "5"
    & skf21("3","3","6","6","2","6","6","1") = "5"
    & skf21("3","3","6","6","2","6","7","1") = "6"
    & skf21("3","3","6","6","2","7","1","1") = "6"
    & skf21("3","3","6","6","2","7","2","1") = "6"
    & skf21("3","3","6","6","2","7","3","1") = "6"
    & skf21("3","3","6","6","2","7","4","1") = "6"
    & skf21("3","3","6","6","2","7","5","1") = "6"
    & skf21("3","3","6","6","2","7","6","1") = "6"
    & skf21("3","3","6","6","2","7","7","1") = "6"
    & skf21("3","3","6","6","3","1","1","1") = "5"
    & skf21("3","3","6","6","3","1","2","1") = "5"
    & skf21("3","3","6","6","3","1","3","1") = "5"
    & skf21("3","3","6","6","3","1","4","1") = "5"
    & skf21("3","3","6","6","3","1","5","1") = "5"
    & skf21("3","3","6","6","3","1","6","1") = "5"
    & skf21("3","3","6","6","3","1","7","1") = "6"
    & skf21("3","3","6","6","3","2","1","1") = "5"
    & skf21("3","3","6","6","3","2","2","1") = "5"
    & skf21("3","3","6","6","3","2","3","1") = "5"
    & skf21("3","3","6","6","3","2","4","1") = "5"
    & skf21("3","3","6","6","3","2","5","1") = "5"
    & skf21("3","3","6","6","3","2","6","1") = "5"
    & skf21("3","3","6","6","3","2","7","1") = "6"
    & skf21("3","3","6","6","3","3","1","1") = "5"
    & skf21("3","3","6","6","3","3","2","1") = "5"
    & skf21("3","3","6","6","3","3","3","1") = "5"
    & skf21("3","3","6","6","3","3","4","1") = "5"
    & skf21("3","3","6","6","3","3","5","1") = "5"
    & skf21("3","3","6","6","3","3","6","1") = "5"
    & skf21("3","3","6","6","3","3","7","1") = "6"
    & skf21("3","3","6","6","3","4","1","1") = "5"
    & skf21("3","3","6","6","3","4","2","1") = "5"
    & skf21("3","3","6","6","3","4","3","1") = "5"
    & skf21("3","3","6","6","3","4","4","1") = "5"
    & skf21("3","3","6","6","3","4","5","1") = "5"
    & skf21("3","3","6","6","3","4","6","1") = "5"
    & skf21("3","3","6","6","3","4","7","1") = "6"
    & skf21("3","3","6","6","3","5","1","1") = "5"
    & skf21("3","3","6","6","3","5","2","1") = "5"
    & skf21("3","3","6","6","3","5","3","1") = "5"
    & skf21("3","3","6","6","3","5","4","1") = "5"
    & skf21("3","3","6","6","3","5","5","1") = "5"
    & skf21("3","3","6","6","3","5","6","1") = "5"
    & skf21("3","3","6","6","3","5","7","1") = "6"
    & skf21("3","3","6","6","3","6","1","1") = "5"
    & skf21("3","3","6","6","3","6","2","1") = "5"
    & skf21("3","3","6","6","3","6","3","1") = "5"
    & skf21("3","3","6","6","3","6","4","1") = "5"
    & skf21("3","3","6","6","3","6","5","1") = "5"
    & skf21("3","3","6","6","3","6","6","1") = "5"
    & skf21("3","3","6","6","3","6","7","1") = "6"
    & skf21("3","3","6","6","3","7","1","1") = "6"
    & skf21("3","3","6","6","3","7","2","1") = "6"
    & skf21("3","3","6","6","3","7","3","1") = "6"
    & skf21("3","3","6","6","3","7","4","1") = "6"
    & skf21("3","3","6","6","3","7","5","1") = "6"
    & skf21("3","3","6","6","3","7","6","1") = "6"
    & skf21("3","3","6","6","3","7","7","1") = "6"
    & skf21("3","3","6","6","4","1","1","1") = "5"
    & skf21("3","3","6","6","4","1","2","1") = "5"
    & skf21("3","3","6","6","4","1","3","1") = "5"
    & skf21("3","3","6","6","4","1","4","1") = "5"
    & skf21("3","3","6","6","4","1","5","1") = "5"
    & skf21("3","3","6","6","4","1","6","1") = "5"
    & skf21("3","3","6","6","4","1","7","1") = "6"
    & skf21("3","3","6","6","4","2","1","1") = "5"
    & skf21("3","3","6","6","4","2","2","1") = "5"
    & skf21("3","3","6","6","4","2","3","1") = "5"
    & skf21("3","3","6","6","4","2","4","1") = "5"
    & skf21("3","3","6","6","4","2","5","1") = "5"
    & skf21("3","3","6","6","4","2","6","1") = "5"
    & skf21("3","3","6","6","4","2","7","1") = "6"
    & skf21("3","3","6","6","4","3","1","1") = "5"
    & skf21("3","3","6","6","4","3","2","1") = "5"
    & skf21("3","3","6","6","4","3","3","1") = "5"
    & skf21("3","3","6","6","4","3","4","1") = "5"
    & skf21("3","3","6","6","4","3","5","1") = "5"
    & skf21("3","3","6","6","4","3","6","1") = "5"
    & skf21("3","3","6","6","4","3","7","1") = "6"
    & skf21("3","3","6","6","4","4","1","1") = "5"
    & skf21("3","3","6","6","4","4","2","1") = "5"
    & skf21("3","3","6","6","4","4","3","1") = "5"
    & skf21("3","3","6","6","4","4","4","1") = "5"
    & skf21("3","3","6","6","4","4","5","1") = "5"
    & skf21("3","3","6","6","4","4","6","1") = "5"
    & skf21("3","3","6","6","4","4","7","1") = "6"
    & skf21("3","3","6","6","4","5","1","1") = "5"
    & skf21("3","3","6","6","4","5","2","1") = "5"
    & skf21("3","3","6","6","4","5","3","1") = "5"
    & skf21("3","3","6","6","4","5","4","1") = "5"
    & skf21("3","3","6","6","4","5","5","1") = "5"
    & skf21("3","3","6","6","4","5","6","1") = "5"
    & skf21("3","3","6","6","4","5","7","1") = "6"
    & skf21("3","3","6","6","4","6","1","1") = "5"
    & skf21("3","3","6","6","4","6","2","1") = "5"
    & skf21("3","3","6","6","4","6","3","1") = "5"
    & skf21("3","3","6","6","4","6","4","1") = "5"
    & skf21("3","3","6","6","4","6","5","1") = "5"
    & skf21("3","3","6","6","4","6","6","1") = "5"
    & skf21("3","3","6","6","4","6","7","1") = "6"
    & skf21("3","3","6","6","4","7","1","1") = "6"
    & skf21("3","3","6","6","4","7","2","1") = "6"
    & skf21("3","3","6","6","4","7","3","1") = "6"
    & skf21("3","3","6","6","4","7","4","1") = "6"
    & skf21("3","3","6","6","4","7","5","1") = "6"
    & skf21("3","3","6","6","4","7","6","1") = "6"
    & skf21("3","3","6","6","4","7","7","1") = "6"
    & skf21("3","3","6","6","5","1","1","1") = "5"
    & skf21("3","3","6","6","5","1","2","1") = "5"
    & skf21("3","3","6","6","5","1","3","1") = "5"
    & skf21("3","3","6","6","5","1","4","1") = "5"
    & skf21("3","3","6","6","5","1","5","1") = "5"
    & skf21("3","3","6","6","5","1","6","1") = "5"
    & skf21("3","3","6","6","5","1","7","1") = "6"
    & skf21("3","3","6","6","5","2","1","1") = "5"
    & skf21("3","3","6","6","5","2","2","1") = "5"
    & skf21("3","3","6","6","5","2","3","1") = "5"
    & skf21("3","3","6","6","5","2","4","1") = "5"
    & skf21("3","3","6","6","5","2","5","1") = "5"
    & skf21("3","3","6","6","5","2","6","1") = "5"
    & skf21("3","3","6","6","5","2","7","1") = "6"
    & skf21("3","3","6","6","5","3","1","1") = "5"
    & skf21("3","3","6","6","5","3","2","1") = "5"
    & skf21("3","3","6","6","5","3","3","1") = "5"
    & skf21("3","3","6","6","5","3","4","1") = "5"
    & skf21("3","3","6","6","5","3","5","1") = "5"
    & skf21("3","3","6","6","5","3","6","1") = "5"
    & skf21("3","3","6","6","5","3","7","1") = "6"
    & skf21("3","3","6","6","5","4","1","1") = "5"
    & skf21("3","3","6","6","5","4","2","1") = "5"
    & skf21("3","3","6","6","5","4","3","1") = "5"
    & skf21("3","3","6","6","5","4","4","1") = "5"
    & skf21("3","3","6","6","5","4","5","1") = "5"
    & skf21("3","3","6","6","5","4","6","1") = "5"
    & skf21("3","3","6","6","5","4","7","1") = "6"
    & skf21("3","3","6","6","5","5","1","1") = "5"
    & skf21("3","3","6","6","5","5","2","1") = "5"
    & skf21("3","3","6","6","5","5","3","1") = "5"
    & skf21("3","3","6","6","5","5","4","1") = "5"
    & skf21("3","3","6","6","5","5","5","1") = "5"
    & skf21("3","3","6","6","5","5","6","1") = "5"
    & skf21("3","3","6","6","5","5","7","1") = "6"
    & skf21("3","3","6","6","5","6","1","1") = "5"
    & skf21("3","3","6","6","5","6","2","1") = "5"
    & skf21("3","3","6","6","5","6","3","1") = "5"
    & skf21("3","3","6","6","5","6","4","1") = "5"
    & skf21("3","3","6","6","5","6","5","1") = "5"
    & skf21("3","3","6","6","5","6","6","1") = "5"
    & skf21("3","3","6","6","5","6","7","1") = "6"
    & skf21("3","3","6","6","5","7","1","1") = "6"
    & skf21("3","3","6","6","5","7","2","1") = "6"
    & skf21("3","3","6","6","5","7","3","1") = "6"
    & skf21("3","3","6","6","5","7","4","1") = "6"
    & skf21("3","3","6","6","5","7","5","1") = "6"
    & skf21("3","3","6","6","5","7","6","1") = "6"
    & skf21("3","3","6","6","5","7","7","1") = "6"
    & skf21("3","3","6","6","6","1","1","1") = "5"
    & skf21("3","3","6","6","6","1","2","1") = "5"
    & skf21("3","3","6","6","6","1","3","1") = "5"
    & skf21("3","3","6","6","6","1","4","1") = "5"
    & skf21("3","3","6","6","6","1","5","1") = "5"
    & skf21("3","3","6","6","6","1","6","1") = "5"
    & skf21("3","3","6","6","6","1","7","1") = "6"
    & skf21("3","3","6","6","6","2","1","1") = "5"
    & skf21("3","3","6","6","6","2","2","1") = "5"
    & skf21("3","3","6","6","6","2","3","1") = "5"
    & skf21("3","3","6","6","6","2","4","1") = "5"
    & skf21("3","3","6","6","6","2","5","1") = "5"
    & skf21("3","3","6","6","6","2","6","1") = "5"
    & skf21("3","3","6","6","6","2","7","1") = "6"
    & skf21("3","3","6","6","6","3","1","1") = "5"
    & skf21("3","3","6","6","6","3","2","1") = "5"
    & skf21("3","3","6","6","6","3","3","1") = "5"
    & skf21("3","3","6","6","6","3","4","1") = "5"
    & skf21("3","3","6","6","6","3","5","1") = "5"
    & skf21("3","3","6","6","6","3","6","1") = "5"
    & skf21("3","3","6","6","6","3","7","1") = "6"
    & skf21("3","3","6","6","6","4","1","1") = "5"
    & skf21("3","3","6","6","6","4","2","1") = "5"
    & skf21("3","3","6","6","6","4","3","1") = "5"
    & skf21("3","3","6","6","6","4","4","1") = "5"
    & skf21("3","3","6","6","6","4","5","1") = "5"
    & skf21("3","3","6","6","6","4","6","1") = "5"
    & skf21("3","3","6","6","6","4","7","1") = "6"
    & skf21("3","3","6","6","6","5","1","1") = "5"
    & skf21("3","3","6","6","6","5","2","1") = "5"
    & skf21("3","3","6","6","6","5","3","1") = "5"
    & skf21("3","3","6","6","6","5","4","1") = "5"
    & skf21("3","3","6","6","6","5","5","1") = "5"
    & skf21("3","3","6","6","6","5","6","1") = "5"
    & skf21("3","3","6","6","6","5","7","1") = "6"
    & skf21("3","3","6","6","6","6","1","1") = "5"
    & skf21("3","3","6","6","6","6","2","1") = "5"
    & skf21("3","3","6","6","6","6","3","1") = "5"
    & skf21("3","3","6","6","6","6","4","1") = "5"
    & skf21("3","3","6","6","6","6","5","1") = "5"
    & skf21("3","3","6","6","6","6","6","1") = "5"
    & skf21("3","3","6","6","6","6","7","1") = "6"
    & skf21("3","3","6","6","6","7","1","1") = "6"
    & skf21("3","3","6","6","6","7","2","1") = "6"
    & skf21("3","3","6","6","6","7","3","1") = "6"
    & skf21("3","3","6","6","6","7","4","1") = "6"
    & skf21("3","3","6","6","6","7","5","1") = "6"
    & skf21("3","3","6","6","6","7","6","1") = "6"
    & skf21("3","3","6","6","6","7","7","1") = "6"
    & skf21("3","3","6","6","7","1","1","1") = "6"
    & skf21("3","3","6","6","7","1","2","1") = "6"
    & skf21("3","3","6","6","7","1","3","1") = "6"
    & skf21("3","3","6","6","7","1","4","1") = "6"
    & skf21("3","3","6","6","7","1","5","1") = "6"
    & skf21("3","3","6","6","7","1","6","1") = "6"
    & skf21("3","3","6","6","7","1","7","1") = "6"
    & skf21("3","3","6","6","7","2","1","1") = "6"
    & skf21("3","3","6","6","7","2","2","1") = "6"
    & skf21("3","3","6","6","7","2","3","1") = "6"
    & skf21("3","3","6","6","7","2","4","1") = "6"
    & skf21("3","3","6","6","7","2","5","1") = "6"
    & skf21("3","3","6","6","7","2","6","1") = "6"
    & skf21("3","3","6","6","7","2","7","1") = "6"
    & skf21("3","3","6","6","7","3","1","1") = "6"
    & skf21("3","3","6","6","7","3","2","1") = "6"
    & skf21("3","3","6","6","7","3","3","1") = "6"
    & skf21("3","3","6","6","7","3","4","1") = "6"
    & skf21("3","3","6","6","7","3","5","1") = "6"
    & skf21("3","3","6","6","7","3","6","1") = "6"
    & skf21("3","3","6","6","7","3","7","1") = "6"
    & skf21("3","3","6","6","7","4","1","1") = "6"
    & skf21("3","3","6","6","7","4","2","1") = "6"
    & skf21("3","3","6","6","7","4","3","1") = "6"
    & skf21("3","3","6","6","7","4","4","1") = "6"
    & skf21("3","3","6","6","7","4","5","1") = "6"
    & skf21("3","3","6","6","7","4","6","1") = "6"
    & skf21("3","3","6","6","7","4","7","1") = "6"
    & skf21("3","3","6","6","7","5","1","1") = "6"
    & skf21("3","3","6","6","7","5","2","1") = "6"
    & skf21("3","3","6","6","7","5","3","1") = "6"
    & skf21("3","3","6","6","7","5","4","1") = "6"
    & skf21("3","3","6","6","7","5","5","1") = "6"
    & skf21("3","3","6","6","7","5","6","1") = "6"
    & skf21("3","3","6","6","7","5","7","1") = "6"
    & skf21("3","3","6","6","7","6","1","1") = "6"
    & skf21("3","3","6","6","7","6","2","1") = "6"
    & skf21("3","3","6","6","7","6","3","1") = "6"
    & skf21("3","3","6","6","7","6","4","1") = "6"
    & skf21("3","3","6","6","7","6","5","1") = "6"
    & skf21("3","3","6","6","7","6","6","1") = "6"
    & skf21("3","3","6","6","7","6","7","1") = "6"
    & skf21("3","3","6","6","7","7","1","1") = "6"
    & skf21("3","3","6","6","7","7","2","1") = "6"
    & skf21("3","3","6","6","7","7","3","1") = "6"
    & skf21("3","3","6","6","7","7","4","1") = "6"
    & skf21("3","3","6","6","7","7","5","1") = "6"
    & skf21("3","3","6","6","7","7","6","1") = "6"
    & skf21("3","3","6","6","7","7","7","1") = "6"
    & skf21("3","3","6","7","1","1","1","1") = "6"
    & skf21("3","3","6","7","1","1","2","1") = "6"
    & skf21("3","3","6","7","1","1","3","1") = "6"
    & skf21("3","3","6","7","1","1","4","1") = "6"
    & skf21("3","3","6","7","1","1","5","1") = "6"
    & skf21("3","3","6","7","1","1","6","1") = "6"
    & skf21("3","3","6","7","1","1","7","1") = "6"
    & skf21("3","3","6","7","1","2","1","1") = "6"
    & skf21("3","3","6","7","1","2","2","1") = "6"
    & skf21("3","3","6","7","1","2","3","1") = "6"
    & skf21("3","3","6","7","1","2","4","1") = "6"
    & skf21("3","3","6","7","1","2","5","1") = "6"
    & skf21("3","3","6","7","1","2","6","1") = "6"
    & skf21("3","3","6","7","1","2","7","1") = "6"
    & skf21("3","3","6","7","1","3","1","1") = "6"
    & skf21("3","3","6","7","1","3","2","1") = "6"
    & skf21("3","3","6","7","1","3","3","1") = "6"
    & skf21("3","3","6","7","1","3","4","1") = "6"
    & skf21("3","3","6","7","1","3","5","1") = "6"
    & skf21("3","3","6","7","1","3","6","1") = "6"
    & skf21("3","3","6","7","1","3","7","1") = "6"
    & skf21("3","3","6","7","1","4","1","1") = "6"
    & skf21("3","3","6","7","1","4","2","1") = "6"
    & skf21("3","3","6","7","1","4","3","1") = "6"
    & skf21("3","3","6","7","1","4","4","1") = "6"
    & skf21("3","3","6","7","1","4","5","1") = "6"
    & skf21("3","3","6","7","1","4","6","1") = "6"
    & skf21("3","3","6","7","1","4","7","1") = "6"
    & skf21("3","3","6","7","1","5","1","1") = "6"
    & skf21("3","3","6","7","1","5","2","1") = "6"
    & skf21("3","3","6","7","1","5","3","1") = "6"
    & skf21("3","3","6","7","1","5","4","1") = "6"
    & skf21("3","3","6","7","1","5","5","1") = "6"
    & skf21("3","3","6","7","1","5","6","1") = "6"
    & skf21("3","3","6","7","1","5","7","1") = "6"
    & skf21("3","3","6","7","1","6","1","1") = "6"
    & skf21("3","3","6","7","1","6","2","1") = "6"
    & skf21("3","3","6","7","1","6","3","1") = "6"
    & skf21("3","3","6","7","1","6","4","1") = "6"
    & skf21("3","3","6","7","1","6","5","1") = "6"
    & skf21("3","3","6","7","1","6","6","1") = "6"
    & skf21("3","3","6","7","1","6","7","1") = "6"
    & skf21("3","3","6","7","1","7","1","1") = "6"
    & skf21("3","3","6","7","1","7","2","1") = "6"
    & skf21("3","3","6","7","1","7","3","1") = "6"
    & skf21("3","3","6","7","1","7","4","1") = "6"
    & skf21("3","3","6","7","1","7","5","1") = "6"
    & skf21("3","3","6","7","1","7","6","1") = "6"
    & skf21("3","3","6","7","1","7","7","1") = "6"
    & skf21("3","3","6","7","2","1","1","1") = "6"
    & skf21("3","3","6","7","2","1","2","1") = "6"
    & skf21("3","3","6","7","2","1","3","1") = "6"
    & skf21("3","3","6","7","2","1","4","1") = "6"
    & skf21("3","3","6","7","2","1","5","1") = "6"
    & skf21("3","3","6","7","2","1","6","1") = "6"
    & skf21("3","3","6","7","2","1","7","1") = "6"
    & skf21("3","3","6","7","2","2","1","1") = "6"
    & skf21("3","3","6","7","2","2","2","1") = "6"
    & skf21("3","3","6","7","2","2","3","1") = "6"
    & skf21("3","3","6","7","2","2","4","1") = "6"
    & skf21("3","3","6","7","2","2","5","1") = "6"
    & skf21("3","3","6","7","2","2","6","1") = "6"
    & skf21("3","3","6","7","2","2","7","1") = "6"
    & skf21("3","3","6","7","2","3","1","1") = "6"
    & skf21("3","3","6","7","2","3","2","1") = "6"
    & skf21("3","3","6","7","2","3","3","1") = "6"
    & skf21("3","3","6","7","2","3","4","1") = "6"
    & skf21("3","3","6","7","2","3","5","1") = "6"
    & skf21("3","3","6","7","2","3","6","1") = "6"
    & skf21("3","3","6","7","2","3","7","1") = "6"
    & skf21("3","3","6","7","2","4","1","1") = "6"
    & skf21("3","3","6","7","2","4","2","1") = "6"
    & skf21("3","3","6","7","2","4","3","1") = "6"
    & skf21("3","3","6","7","2","4","4","1") = "6"
    & skf21("3","3","6","7","2","4","5","1") = "6"
    & skf21("3","3","6","7","2","4","6","1") = "6"
    & skf21("3","3","6","7","2","4","7","1") = "6"
    & skf21("3","3","6","7","2","5","1","1") = "6"
    & skf21("3","3","6","7","2","5","2","1") = "6"
    & skf21("3","3","6","7","2","5","3","1") = "6"
    & skf21("3","3","6","7","2","5","4","1") = "6"
    & skf21("3","3","6","7","2","5","5","1") = "6"
    & skf21("3","3","6","7","2","5","6","1") = "6"
    & skf21("3","3","6","7","2","5","7","1") = "6"
    & skf21("3","3","6","7","2","6","1","1") = "6"
    & skf21("3","3","6","7","2","6","2","1") = "6"
    & skf21("3","3","6","7","2","6","3","1") = "6"
    & skf21("3","3","6","7","2","6","4","1") = "6"
    & skf21("3","3","6","7","2","6","5","1") = "6"
    & skf21("3","3","6","7","2","6","6","1") = "6"
    & skf21("3","3","6","7","2","6","7","1") = "6"
    & skf21("3","3","6","7","2","7","1","1") = "6"
    & skf21("3","3","6","7","2","7","2","1") = "6"
    & skf21("3","3","6","7","2","7","3","1") = "6"
    & skf21("3","3","6","7","2","7","4","1") = "6"
    & skf21("3","3","6","7","2","7","5","1") = "6"
    & skf21("3","3","6","7","2","7","6","1") = "6"
    & skf21("3","3","6","7","2","7","7","1") = "6"
    & skf21("3","3","6","7","3","1","1","1") = "6"
    & skf21("3","3","6","7","3","1","2","1") = "6"
    & skf21("3","3","6","7","3","1","3","1") = "6"
    & skf21("3","3","6","7","3","1","4","1") = "6"
    & skf21("3","3","6","7","3","1","5","1") = "6"
    & skf21("3","3","6","7","3","1","6","1") = "6"
    & skf21("3","3","6","7","3","1","7","1") = "6"
    & skf21("3","3","6","7","3","2","1","1") = "6"
    & skf21("3","3","6","7","3","2","2","1") = "6"
    & skf21("3","3","6","7","3","2","3","1") = "6"
    & skf21("3","3","6","7","3","2","4","1") = "6"
    & skf21("3","3","6","7","3","2","5","1") = "6"
    & skf21("3","3","6","7","3","2","6","1") = "6"
    & skf21("3","3","6","7","3","2","7","1") = "6"
    & skf21("3","3","6","7","3","3","1","1") = "6"
    & skf21("3","3","6","7","3","3","2","1") = "6"
    & skf21("3","3","6","7","3","3","3","1") = "6"
    & skf21("3","3","6","7","3","3","4","1") = "6"
    & skf21("3","3","6","7","3","3","5","1") = "6"
    & skf21("3","3","6","7","3","3","6","1") = "6"
    & skf21("3","3","6","7","3","3","7","1") = "6"
    & skf21("3","3","6","7","3","4","1","1") = "6"
    & skf21("3","3","6","7","3","4","2","1") = "6"
    & skf21("3","3","6","7","3","4","3","1") = "6"
    & skf21("3","3","6","7","3","4","4","1") = "6"
    & skf21("3","3","6","7","3","4","5","1") = "6"
    & skf21("3","3","6","7","3","4","6","1") = "6"
    & skf21("3","3","6","7","3","4","7","1") = "6"
    & skf21("3","3","6","7","3","5","1","1") = "6"
    & skf21("3","3","6","7","3","5","2","1") = "6"
    & skf21("3","3","6","7","3","5","3","1") = "6"
    & skf21("3","3","6","7","3","5","4","1") = "6"
    & skf21("3","3","6","7","3","5","5","1") = "6"
    & skf21("3","3","6","7","3","5","6","1") = "6"
    & skf21("3","3","6","7","3","5","7","1") = "6"
    & skf21("3","3","6","7","3","6","1","1") = "6"
    & skf21("3","3","6","7","3","6","2","1") = "6"
    & skf21("3","3","6","7","3","6","3","1") = "6"
    & skf21("3","3","6","7","3","6","4","1") = "6"
    & skf21("3","3","6","7","3","6","5","1") = "6"
    & skf21("3","3","6","7","3","6","6","1") = "6"
    & skf21("3","3","6","7","3","6","7","1") = "6"
    & skf21("3","3","6","7","3","7","1","1") = "6"
    & skf21("3","3","6","7","3","7","2","1") = "6"
    & skf21("3","3","6","7","3","7","3","1") = "6"
    & skf21("3","3","6","7","3","7","4","1") = "6"
    & skf21("3","3","6","7","3","7","5","1") = "6"
    & skf21("3","3","6","7","3","7","6","1") = "6"
    & skf21("3","3","6","7","3","7","7","1") = "6"
    & skf21("3","3","6","7","4","1","1","1") = "6"
    & skf21("3","3","6","7","4","1","2","1") = "6"
    & skf21("3","3","6","7","4","1","3","1") = "6"
    & skf21("3","3","6","7","4","1","4","1") = "6"
    & skf21("3","3","6","7","4","1","5","1") = "6"
    & skf21("3","3","6","7","4","1","6","1") = "6"
    & skf21("3","3","6","7","4","1","7","1") = "6"
    & skf21("3","3","6","7","4","2","1","1") = "6"
    & skf21("3","3","6","7","4","2","2","1") = "6"
    & skf21("3","3","6","7","4","2","3","1") = "6"
    & skf21("3","3","6","7","4","2","4","1") = "6"
    & skf21("3","3","6","7","4","2","5","1") = "6"
    & skf21("3","3","6","7","4","2","6","1") = "6"
    & skf21("3","3","6","7","4","2","7","1") = "6"
    & skf21("3","3","6","7","4","3","1","1") = "6"
    & skf21("3","3","6","7","4","3","2","1") = "6"
    & skf21("3","3","6","7","4","3","3","1") = "6"
    & skf21("3","3","6","7","4","3","4","1") = "6"
    & skf21("3","3","6","7","4","3","5","1") = "6"
    & skf21("3","3","6","7","4","3","6","1") = "6"
    & skf21("3","3","6","7","4","3","7","1") = "6"
    & skf21("3","3","6","7","4","4","1","1") = "6"
    & skf21("3","3","6","7","4","4","2","1") = "6"
    & skf21("3","3","6","7","4","4","3","1") = "6"
    & skf21("3","3","6","7","4","4","4","1") = "6"
    & skf21("3","3","6","7","4","4","5","1") = "6"
    & skf21("3","3","6","7","4","4","6","1") = "6"
    & skf21("3","3","6","7","4","4","7","1") = "6"
    & skf21("3","3","6","7","4","5","1","1") = "6"
    & skf21("3","3","6","7","4","5","2","1") = "6"
    & skf21("3","3","6","7","4","5","3","1") = "6"
    & skf21("3","3","6","7","4","5","4","1") = "6"
    & skf21("3","3","6","7","4","5","5","1") = "6"
    & skf21("3","3","6","7","4","5","6","1") = "6"
    & skf21("3","3","6","7","4","5","7","1") = "6"
    & skf21("3","3","6","7","4","6","1","1") = "6"
    & skf21("3","3","6","7","4","6","2","1") = "6"
    & skf21("3","3","6","7","4","6","3","1") = "6"
    & skf21("3","3","6","7","4","6","4","1") = "6"
    & skf21("3","3","6","7","4","6","5","1") = "6"
    & skf21("3","3","6","7","4","6","6","1") = "6"
    & skf21("3","3","6","7","4","6","7","1") = "6"
    & skf21("3","3","6","7","4","7","1","1") = "6"
    & skf21("3","3","6","7","4","7","2","1") = "6"
    & skf21("3","3","6","7","4","7","3","1") = "6"
    & skf21("3","3","6","7","4","7","4","1") = "6"
    & skf21("3","3","6","7","4","7","5","1") = "6"
    & skf21("3","3","6","7","4","7","6","1") = "6"
    & skf21("3","3","6","7","4","7","7","1") = "6"
    & skf21("3","3","6","7","5","1","1","1") = "6"
    & skf21("3","3","6","7","5","1","2","1") = "6"
    & skf21("3","3","6","7","5","1","3","1") = "6"
    & skf21("3","3","6","7","5","1","4","1") = "6"
    & skf21("3","3","6","7","5","1","5","1") = "6"
    & skf21("3","3","6","7","5","1","6","1") = "6"
    & skf21("3","3","6","7","5","1","7","1") = "6"
    & skf21("3","3","6","7","5","2","1","1") = "6"
    & skf21("3","3","6","7","5","2","2","1") = "6"
    & skf21("3","3","6","7","5","2","3","1") = "6"
    & skf21("3","3","6","7","5","2","4","1") = "6"
    & skf21("3","3","6","7","5","2","5","1") = "6"
    & skf21("3","3","6","7","5","2","6","1") = "6"
    & skf21("3","3","6","7","5","2","7","1") = "6"
    & skf21("3","3","6","7","5","3","1","1") = "6"
    & skf21("3","3","6","7","5","3","2","1") = "6"
    & skf21("3","3","6","7","5","3","3","1") = "6"
    & skf21("3","3","6","7","5","3","4","1") = "6"
    & skf21("3","3","6","7","5","3","5","1") = "6"
    & skf21("3","3","6","7","5","3","6","1") = "6"
    & skf21("3","3","6","7","5","3","7","1") = "6"
    & skf21("3","3","6","7","5","4","1","1") = "6"
    & skf21("3","3","6","7","5","4","2","1") = "6"
    & skf21("3","3","6","7","5","4","3","1") = "6"
    & skf21("3","3","6","7","5","4","4","1") = "6"
    & skf21("3","3","6","7","5","4","5","1") = "6"
    & skf21("3","3","6","7","5","4","6","1") = "6"
    & skf21("3","3","6","7","5","4","7","1") = "6"
    & skf21("3","3","6","7","5","5","1","1") = "6"
    & skf21("3","3","6","7","5","5","2","1") = "6"
    & skf21("3","3","6","7","5","5","3","1") = "6"
    & skf21("3","3","6","7","5","5","4","1") = "6"
    & skf21("3","3","6","7","5","5","5","1") = "6"
    & skf21("3","3","6","7","5","5","6","1") = "6"
    & skf21("3","3","6","7","5","5","7","1") = "6"
    & skf21("3","3","6","7","5","6","1","1") = "6"
    & skf21("3","3","6","7","5","6","2","1") = "6"
    & skf21("3","3","6","7","5","6","3","1") = "6"
    & skf21("3","3","6","7","5","6","4","1") = "6"
    & skf21("3","3","6","7","5","6","5","1") = "6"
    & skf21("3","3","6","7","5","6","6","1") = "6"
    & skf21("3","3","6","7","5","6","7","1") = "6"
    & skf21("3","3","6","7","5","7","1","1") = "6"
    & skf21("3","3","6","7","5","7","2","1") = "6"
    & skf21("3","3","6","7","5","7","3","1") = "6"
    & skf21("3","3","6","7","5","7","4","1") = "6"
    & skf21("3","3","6","7","5","7","5","1") = "6"
    & skf21("3","3","6","7","5","7","6","1") = "6"
    & skf21("3","3","6","7","5","7","7","1") = "6"
    & skf21("3","3","6","7","6","1","1","1") = "6"
    & skf21("3","3","6","7","6","1","2","1") = "6"
    & skf21("3","3","6","7","6","1","3","1") = "6"
    & skf21("3","3","6","7","6","1","4","1") = "6"
    & skf21("3","3","6","7","6","1","5","1") = "6"
    & skf21("3","3","6","7","6","1","6","1") = "6"
    & skf21("3","3","6","7","6","1","7","1") = "6"
    & skf21("3","3","6","7","6","2","1","1") = "6"
    & skf21("3","3","6","7","6","2","2","1") = "6"
    & skf21("3","3","6","7","6","2","3","1") = "6"
    & skf21("3","3","6","7","6","2","4","1") = "6"
    & skf21("3","3","6","7","6","2","5","1") = "6"
    & skf21("3","3","6","7","6","2","6","1") = "6"
    & skf21("3","3","6","7","6","2","7","1") = "6"
    & skf21("3","3","6","7","6","3","1","1") = "6"
    & skf21("3","3","6","7","6","3","2","1") = "6"
    & skf21("3","3","6","7","6","3","3","1") = "6"
    & skf21("3","3","6","7","6","3","4","1") = "6"
    & skf21("3","3","6","7","6","3","5","1") = "6"
    & skf21("3","3","6","7","6","3","6","1") = "6"
    & skf21("3","3","6","7","6","3","7","1") = "6"
    & skf21("3","3","6","7","6","4","1","1") = "6"
    & skf21("3","3","6","7","6","4","2","1") = "6"
    & skf21("3","3","6","7","6","4","3","1") = "6"
    & skf21("3","3","6","7","6","4","4","1") = "6"
    & skf21("3","3","6","7","6","4","5","1") = "6"
    & skf21("3","3","6","7","6","4","6","1") = "6"
    & skf21("3","3","6","7","6","4","7","1") = "6"
    & skf21("3","3","6","7","6","5","1","1") = "6"
    & skf21("3","3","6","7","6","5","2","1") = "6"
    & skf21("3","3","6","7","6","5","3","1") = "6"
    & skf21("3","3","6","7","6","5","4","1") = "6"
    & skf21("3","3","6","7","6","5","5","1") = "6"
    & skf21("3","3","6","7","6","5","6","1") = "6"
    & skf21("3","3","6","7","6","5","7","1") = "6"
    & skf21("3","3","6","7","6","6","1","1") = "6"
    & skf21("3","3","6","7","6","6","2","1") = "6"
    & skf21("3","3","6","7","6","6","3","1") = "6"
    & skf21("3","3","6","7","6","6","4","1") = "6"
    & skf21("3","3","6","7","6","6","5","1") = "6"
    & skf21("3","3","6","7","6","6","6","1") = "6"
    & skf21("3","3","6","7","6","6","7","1") = "6"
    & skf21("3","3","6","7","6","7","1","1") = "6"
    & skf21("3","3","6","7","6","7","2","1") = "6"
    & skf21("3","3","6","7","6","7","3","1") = "6"
    & skf21("3","3","6","7","6","7","4","1") = "6"
    & skf21("3","3","6","7","6","7","5","1") = "6"
    & skf21("3","3","6","7","6","7","6","1") = "6"
    & skf21("3","3","6","7","6","7","7","1") = "6"
    & skf21("3","3","6","7","7","1","1","1") = "6"
    & skf21("3","3","6","7","7","1","2","1") = "6"
    & skf21("3","3","6","7","7","1","3","1") = "6"
    & skf21("3","3","6","7","7","1","4","1") = "6"
    & skf21("3","3","6","7","7","1","5","1") = "6"
    & skf21("3","3","6","7","7","1","6","1") = "6"
    & skf21("3","3","6","7","7","1","7","1") = "6"
    & skf21("3","3","6","7","7","2","1","1") = "6"
    & skf21("3","3","6","7","7","2","2","1") = "6"
    & skf21("3","3","6","7","7","2","3","1") = "6"
    & skf21("3","3","6","7","7","2","4","1") = "6"
    & skf21("3","3","6","7","7","2","5","1") = "6"
    & skf21("3","3","6","7","7","2","6","1") = "6"
    & skf21("3","3","6","7","7","2","7","1") = "6"
    & skf21("3","3","6","7","7","3","1","1") = "6"
    & skf21("3","3","6","7","7","3","2","1") = "6"
    & skf21("3","3","6","7","7","3","3","1") = "6"
    & skf21("3","3","6","7","7","3","4","1") = "6"
    & skf21("3","3","6","7","7","3","5","1") = "6"
    & skf21("3","3","6","7","7","3","6","1") = "6"
    & skf21("3","3","6","7","7","3","7","1") = "6"
    & skf21("3","3","6","7","7","4","1","1") = "6"
    & skf21("3","3","6","7","7","4","2","1") = "6"
    & skf21("3","3","6","7","7","4","3","1") = "6"
    & skf21("3","3","6","7","7","4","4","1") = "6"
    & skf21("3","3","6","7","7","4","5","1") = "6"
    & skf21("3","3","6","7","7","4","6","1") = "6"
    & skf21("3","3","6","7","7","4","7","1") = "6"
    & skf21("3","3","6","7","7","5","1","1") = "6"
    & skf21("3","3","6","7","7","5","2","1") = "6"
    & skf21("3","3","6","7","7","5","3","1") = "6"
    & skf21("3","3","6","7","7","5","4","1") = "6"
    & skf21("3","3","6","7","7","5","5","1") = "6"
    & skf21("3","3","6","7","7","5","6","1") = "6"
    & skf21("3","3","6","7","7","5","7","1") = "6"
    & skf21("3","3","6","7","7","6","1","1") = "6"
    & skf21("3","3","6","7","7","6","2","1") = "6"
    & skf21("3","3","6","7","7","6","3","1") = "6"
    & skf21("3","3","6","7","7","6","4","1") = "6"
    & skf21("3","3","6","7","7","6","5","1") = "6"
    & skf21("3","3","6","7","7","6","6","1") = "6"
    & skf21("3","3","6","7","7","6","7","1") = "6"
    & skf21("3","3","6","7","7","7","1","1") = "6"
    & skf21("3","3","6","7","7","7","2","1") = "6"
    & skf21("3","3","6","7","7","7","3","1") = "6"
    & skf21("3","3","6","7","7","7","4","1") = "6"
    & skf21("3","3","6","7","7","7","5","1") = "6"
    & skf21("3","3","6","7","7","7","6","1") = "6"
    & skf21("3","3","6","7","7","7","7","1") = "6"
    & skf21("3","3","7","1","1","1","1","1") = "6"
    & skf21("3","3","7","1","1","1","2","1") = "6"
    & skf21("3","3","7","1","1","1","3","1") = "6"
    & skf21("3","3","7","1","1","1","4","1") = "6"
    & skf21("3","3","7","1","1","1","5","1") = "6"
    & skf21("3","3","7","1","1","1","6","1") = "6"
    & skf21("3","3","7","1","1","1","7","1") = "6"
    & skf21("3","3","7","1","1","2","1","1") = "6"
    & skf21("3","3","7","1","1","2","2","1") = "6"
    & skf21("3","3","7","1","1","2","3","1") = "6"
    & skf21("3","3","7","1","1","2","4","1") = "6"
    & skf21("3","3","7","1","1","2","5","1") = "6"
    & skf21("3","3","7","1","1","2","6","1") = "6"
    & skf21("3","3","7","1","1","2","7","1") = "6"
    & skf21("3","3","7","1","1","3","1","1") = "6"
    & skf21("3","3","7","1","1","3","2","1") = "6"
    & skf21("3","3","7","1","1","3","3","1") = "6"
    & skf21("3","3","7","1","1","3","4","1") = "6"
    & skf21("3","3","7","1","1","3","5","1") = "6"
    & skf21("3","3","7","1","1","3","6","1") = "6"
    & skf21("3","3","7","1","1","3","7","1") = "6"
    & skf21("3","3","7","1","1","4","1","1") = "6"
    & skf21("3","3","7","1","1","4","2","1") = "6"
    & skf21("3","3","7","1","1","4","3","1") = "6"
    & skf21("3","3","7","1","1","4","4","1") = "6"
    & skf21("3","3","7","1","1","4","5","1") = "6"
    & skf21("3","3","7","1","1","4","6","1") = "6"
    & skf21("3","3","7","1","1","4","7","1") = "6"
    & skf21("3","3","7","1","1","5","1","1") = "6"
    & skf21("3","3","7","1","1","5","2","1") = "6"
    & skf21("3","3","7","1","1","5","3","1") = "6"
    & skf21("3","3","7","1","1","5","4","1") = "6"
    & skf21("3","3","7","1","1","5","5","1") = "6"
    & skf21("3","3","7","1","1","5","6","1") = "6"
    & skf21("3","3","7","1","1","5","7","1") = "6"
    & skf21("3","3","7","1","1","6","1","1") = "6"
    & skf21("3","3","7","1","1","6","2","1") = "6"
    & skf21("3","3","7","1","1","6","3","1") = "6"
    & skf21("3","3","7","1","1","6","4","1") = "6"
    & skf21("3","3","7","1","1","6","5","1") = "6"
    & skf21("3","3","7","1","1","6","6","1") = "6"
    & skf21("3","3","7","1","1","6","7","1") = "6"
    & skf21("3","3","7","1","1","7","1","1") = "6"
    & skf21("3","3","7","1","1","7","2","1") = "6"
    & skf21("3","3","7","1","1","7","3","1") = "6"
    & skf21("3","3","7","1","1","7","4","1") = "6"
    & skf21("3","3","7","1","1","7","5","1") = "6"
    & skf21("3","3","7","1","1","7","6","1") = "6"
    & skf21("3","3","7","1","1","7","7","1") = "6"
    & skf21("3","3","7","1","2","1","1","1") = "6"
    & skf21("3","3","7","1","2","1","2","1") = "6"
    & skf21("3","3","7","1","2","1","3","1") = "6"
    & skf21("3","3","7","1","2","1","4","1") = "6"
    & skf21("3","3","7","1","2","1","5","1") = "6"
    & skf21("3","3","7","1","2","1","6","1") = "6"
    & skf21("3","3","7","1","2","1","7","1") = "6"
    & skf21("3","3","7","1","2","2","1","1") = "6"
    & skf21("3","3","7","1","2","2","2","1") = "6"
    & skf21("3","3","7","1","2","2","3","1") = "6"
    & skf21("3","3","7","1","2","2","4","1") = "6"
    & skf21("3","3","7","1","2","2","5","1") = "6"
    & skf21("3","3","7","1","2","2","6","1") = "6"
    & skf21("3","3","7","1","2","2","7","1") = "6"
    & skf21("3","3","7","1","2","3","1","1") = "6"
    & skf21("3","3","7","1","2","3","2","1") = "6"
    & skf21("3","3","7","1","2","3","3","1") = "6"
    & skf21("3","3","7","1","2","3","4","1") = "6"
    & skf21("3","3","7","1","2","3","5","1") = "6"
    & skf21("3","3","7","1","2","3","6","1") = "6"
    & skf21("3","3","7","1","2","3","7","1") = "6"
    & skf21("3","3","7","1","2","4","1","1") = "6"
    & skf21("3","3","7","1","2","4","2","1") = "6"
    & skf21("3","3","7","1","2","4","3","1") = "6"
    & skf21("3","3","7","1","2","4","4","1") = "6"
    & skf21("3","3","7","1","2","4","5","1") = "6"
    & skf21("3","3","7","1","2","4","6","1") = "6"
    & skf21("3","3","7","1","2","4","7","1") = "6"
    & skf21("3","3","7","1","2","5","1","1") = "6"
    & skf21("3","3","7","1","2","5","2","1") = "6"
    & skf21("3","3","7","1","2","5","3","1") = "6"
    & skf21("3","3","7","1","2","5","4","1") = "6"
    & skf21("3","3","7","1","2","5","5","1") = "6"
    & skf21("3","3","7","1","2","5","6","1") = "6"
    & skf21("3","3","7","1","2","5","7","1") = "6"
    & skf21("3","3","7","1","2","6","1","1") = "6"
    & skf21("3","3","7","1","2","6","2","1") = "6"
    & skf21("3","3","7","1","2","6","3","1") = "6"
    & skf21("3","3","7","1","2","6","4","1") = "6"
    & skf21("3","3","7","1","2","6","5","1") = "6"
    & skf21("3","3","7","1","2","6","6","1") = "6"
    & skf21("3","3","7","1","2","6","7","1") = "6"
    & skf21("3","3","7","1","2","7","1","1") = "6"
    & skf21("3","3","7","1","2","7","2","1") = "6"
    & skf21("3","3","7","1","2","7","3","1") = "6"
    & skf21("3","3","7","1","2","7","4","1") = "6"
    & skf21("3","3","7","1","2","7","5","1") = "6"
    & skf21("3","3","7","1","2","7","6","1") = "6"
    & skf21("3","3","7","1","2","7","7","1") = "6"
    & skf21("3","3","7","1","3","1","1","1") = "6"
    & skf21("3","3","7","1","3","1","2","1") = "6"
    & skf21("3","3","7","1","3","1","3","1") = "6"
    & skf21("3","3","7","1","3","1","4","1") = "6"
    & skf21("3","3","7","1","3","1","5","1") = "6"
    & skf21("3","3","7","1","3","1","6","1") = "6"
    & skf21("3","3","7","1","3","1","7","1") = "6"
    & skf21("3","3","7","1","3","2","1","1") = "6"
    & skf21("3","3","7","1","3","2","2","1") = "6"
    & skf21("3","3","7","1","3","2","3","1") = "6"
    & skf21("3","3","7","1","3","2","4","1") = "6"
    & skf21("3","3","7","1","3","2","5","1") = "6"
    & skf21("3","3","7","1","3","2","6","1") = "6"
    & skf21("3","3","7","1","3","2","7","1") = "6"
    & skf21("3","3","7","1","3","3","1","1") = "6"
    & skf21("3","3","7","1","3","3","2","1") = "6"
    & skf21("3","3","7","1","3","3","3","1") = "6"
    & skf21("3","3","7","1","3","3","4","1") = "6"
    & skf21("3","3","7","1","3","3","5","1") = "6"
    & skf21("3","3","7","1","3","3","6","1") = "6"
    & skf21("3","3","7","1","3","3","7","1") = "6"
    & skf21("3","3","7","1","3","4","1","1") = "6"
    & skf21("3","3","7","1","3","4","2","1") = "6"
    & skf21("3","3","7","1","3","4","3","1") = "6"
    & skf21("3","3","7","1","3","4","4","1") = "6"
    & skf21("3","3","7","1","3","4","5","1") = "6"
    & skf21("3","3","7","1","3","4","6","1") = "6"
    & skf21("3","3","7","1","3","4","7","1") = "6"
    & skf21("3","3","7","1","3","5","1","1") = "6"
    & skf21("3","3","7","1","3","5","2","1") = "6"
    & skf21("3","3","7","1","3","5","3","1") = "6"
    & skf21("3","3","7","1","3","5","4","1") = "6"
    & skf21("3","3","7","1","3","5","5","1") = "6"
    & skf21("3","3","7","1","3","5","6","1") = "6"
    & skf21("3","3","7","1","3","5","7","1") = "6"
    & skf21("3","3","7","1","3","6","1","1") = "6"
    & skf21("3","3","7","1","3","6","2","1") = "6"
    & skf21("3","3","7","1","3","6","3","1") = "6"
    & skf21("3","3","7","1","3","6","4","1") = "6"
    & skf21("3","3","7","1","3","6","5","1") = "6"
    & skf21("3","3","7","1","3","6","6","1") = "6"
    & skf21("3","3","7","1","3","6","7","1") = "6"
    & skf21("3","3","7","1","3","7","1","1") = "6"
    & skf21("3","3","7","1","3","7","2","1") = "6"
    & skf21("3","3","7","1","3","7","3","1") = "6"
    & skf21("3","3","7","1","3","7","4","1") = "6"
    & skf21("3","3","7","1","3","7","5","1") = "6"
    & skf21("3","3","7","1","3","7","6","1") = "6"
    & skf21("3","3","7","1","3","7","7","1") = "6"
    & skf21("3","3","7","1","4","1","1","1") = "6"
    & skf21("3","3","7","1","4","1","2","1") = "6"
    & skf21("3","3","7","1","4","1","3","1") = "6"
    & skf21("3","3","7","1","4","1","4","1") = "6"
    & skf21("3","3","7","1","4","1","5","1") = "6"
    & skf21("3","3","7","1","4","1","6","1") = "6"
    & skf21("3","3","7","1","4","1","7","1") = "6"
    & skf21("3","3","7","1","4","2","1","1") = "6"
    & skf21("3","3","7","1","4","2","2","1") = "6"
    & skf21("3","3","7","1","4","2","3","1") = "6"
    & skf21("3","3","7","1","4","2","4","1") = "6"
    & skf21("3","3","7","1","4","2","5","1") = "6"
    & skf21("3","3","7","1","4","2","6","1") = "6"
    & skf21("3","3","7","1","4","2","7","1") = "6"
    & skf21("3","3","7","1","4","3","1","1") = "6"
    & skf21("3","3","7","1","4","3","2","1") = "6"
    & skf21("3","3","7","1","4","3","3","1") = "6"
    & skf21("3","3","7","1","4","3","4","1") = "6"
    & skf21("3","3","7","1","4","3","5","1") = "6"
    & skf21("3","3","7","1","4","3","6","1") = "6"
    & skf21("3","3","7","1","4","3","7","1") = "6"
    & skf21("3","3","7","1","4","4","1","1") = "6"
    & skf21("3","3","7","1","4","4","2","1") = "6"
    & skf21("3","3","7","1","4","4","3","1") = "6"
    & skf21("3","3","7","1","4","4","4","1") = "6"
    & skf21("3","3","7","1","4","4","5","1") = "6"
    & skf21("3","3","7","1","4","4","6","1") = "6"
    & skf21("3","3","7","1","4","4","7","1") = "6"
    & skf21("3","3","7","1","4","5","1","1") = "6"
    & skf21("3","3","7","1","4","5","2","1") = "6"
    & skf21("3","3","7","1","4","5","3","1") = "6"
    & skf21("3","3","7","1","4","5","4","1") = "6"
    & skf21("3","3","7","1","4","5","5","1") = "6"
    & skf21("3","3","7","1","4","5","6","1") = "6"
    & skf21("3","3","7","1","4","5","7","1") = "6"
    & skf21("3","3","7","1","4","6","1","1") = "6"
    & skf21("3","3","7","1","4","6","2","1") = "6"
    & skf21("3","3","7","1","4","6","3","1") = "6"
    & skf21("3","3","7","1","4","6","4","1") = "6"
    & skf21("3","3","7","1","4","6","5","1") = "6"
    & skf21("3","3","7","1","4","6","6","1") = "6"
    & skf21("3","3","7","1","4","6","7","1") = "6"
    & skf21("3","3","7","1","4","7","1","1") = "6"
    & skf21("3","3","7","1","4","7","2","1") = "6"
    & skf21("3","3","7","1","4","7","3","1") = "6"
    & skf21("3","3","7","1","4","7","4","1") = "6"
    & skf21("3","3","7","1","4","7","5","1") = "6"
    & skf21("3","3","7","1","4","7","6","1") = "6"
    & skf21("3","3","7","1","4","7","7","1") = "6"
    & skf21("3","3","7","1","5","1","1","1") = "6"
    & skf21("3","3","7","1","5","1","2","1") = "6"
    & skf21("3","3","7","1","5","1","3","1") = "6"
    & skf21("3","3","7","1","5","1","4","1") = "6"
    & skf21("3","3","7","1","5","1","5","1") = "6"
    & skf21("3","3","7","1","5","1","6","1") = "6"
    & skf21("3","3","7","1","5","1","7","1") = "6"
    & skf21("3","3","7","1","5","2","1","1") = "6"
    & skf21("3","3","7","1","5","2","2","1") = "6"
    & skf21("3","3","7","1","5","2","3","1") = "6"
    & skf21("3","3","7","1","5","2","4","1") = "6"
    & skf21("3","3","7","1","5","2","5","1") = "6"
    & skf21("3","3","7","1","5","2","6","1") = "6"
    & skf21("3","3","7","1","5","2","7","1") = "6"
    & skf21("3","3","7","1","5","3","1","1") = "6"
    & skf21("3","3","7","1","5","3","2","1") = "6"
    & skf21("3","3","7","1","5","3","3","1") = "6"
    & skf21("3","3","7","1","5","3","4","1") = "6"
    & skf21("3","3","7","1","5","3","5","1") = "6"
    & skf21("3","3","7","1","5","3","6","1") = "6"
    & skf21("3","3","7","1","5","3","7","1") = "6"
    & skf21("3","3","7","1","5","4","1","1") = "6"
    & skf21("3","3","7","1","5","4","2","1") = "6"
    & skf21("3","3","7","1","5","4","3","1") = "6"
    & skf21("3","3","7","1","5","4","4","1") = "6"
    & skf21("3","3","7","1","5","4","5","1") = "6"
    & skf21("3","3","7","1","5","4","6","1") = "6"
    & skf21("3","3","7","1","5","4","7","1") = "6"
    & skf21("3","3","7","1","5","5","1","1") = "6"
    & skf21("3","3","7","1","5","5","2","1") = "6"
    & skf21("3","3","7","1","5","5","3","1") = "6"
    & skf21("3","3","7","1","5","5","4","1") = "6"
    & skf21("3","3","7","1","5","5","5","1") = "6"
    & skf21("3","3","7","1","5","5","6","1") = "6"
    & skf21("3","3","7","1","5","5","7","1") = "6"
    & skf21("3","3","7","1","5","6","1","1") = "6"
    & skf21("3","3","7","1","5","6","2","1") = "6"
    & skf21("3","3","7","1","5","6","3","1") = "6"
    & skf21("3","3","7","1","5","6","4","1") = "6"
    & skf21("3","3","7","1","5","6","5","1") = "6"
    & skf21("3","3","7","1","5","6","6","1") = "6"
    & skf21("3","3","7","1","5","6","7","1") = "6"
    & skf21("3","3","7","1","5","7","1","1") = "6"
    & skf21("3","3","7","1","5","7","2","1") = "6"
    & skf21("3","3","7","1","5","7","3","1") = "6"
    & skf21("3","3","7","1","5","7","4","1") = "6"
    & skf21("3","3","7","1","5","7","5","1") = "6"
    & skf21("3","3","7","1","5","7","6","1") = "6"
    & skf21("3","3","7","1","5","7","7","1") = "6"
    & skf21("3","3","7","1","6","1","1","1") = "6"
    & skf21("3","3","7","1","6","1","2","1") = "6"
    & skf21("3","3","7","1","6","1","3","1") = "6"
    & skf21("3","3","7","1","6","1","4","1") = "6"
    & skf21("3","3","7","1","6","1","5","1") = "6"
    & skf21("3","3","7","1","6","1","6","1") = "6"
    & skf21("3","3","7","1","6","1","7","1") = "6"
    & skf21("3","3","7","1","6","2","1","1") = "6"
    & skf21("3","3","7","1","6","2","2","1") = "6"
    & skf21("3","3","7","1","6","2","3","1") = "6"
    & skf21("3","3","7","1","6","2","4","1") = "6"
    & skf21("3","3","7","1","6","2","5","1") = "6"
    & skf21("3","3","7","1","6","2","6","1") = "6"
    & skf21("3","3","7","1","6","2","7","1") = "6"
    & skf21("3","3","7","1","6","3","1","1") = "6"
    & skf21("3","3","7","1","6","3","2","1") = "6"
    & skf21("3","3","7","1","6","3","3","1") = "6"
    & skf21("3","3","7","1","6","3","4","1") = "6"
    & skf21("3","3","7","1","6","3","5","1") = "6"
    & skf21("3","3","7","1","6","3","6","1") = "6"
    & skf21("3","3","7","1","6","3","7","1") = "6"
    & skf21("3","3","7","1","6","4","1","1") = "6"
    & skf21("3","3","7","1","6","4","2","1") = "6"
    & skf21("3","3","7","1","6","4","3","1") = "6"
    & skf21("3","3","7","1","6","4","4","1") = "6"
    & skf21("3","3","7","1","6","4","5","1") = "6"
    & skf21("3","3","7","1","6","4","6","1") = "6"
    & skf21("3","3","7","1","6","4","7","1") = "6"
    & skf21("3","3","7","1","6","5","1","1") = "6"
    & skf21("3","3","7","1","6","5","2","1") = "6"
    & skf21("3","3","7","1","6","5","3","1") = "6"
    & skf21("3","3","7","1","6","5","4","1") = "6"
    & skf21("3","3","7","1","6","5","5","1") = "6"
    & skf21("3","3","7","1","6","5","6","1") = "6"
    & skf21("3","3","7","1","6","5","7","1") = "6"
    & skf21("3","3","7","1","6","6","1","1") = "6"
    & skf21("3","3","7","1","6","6","2","1") = "6"
    & skf21("3","3","7","1","6","6","3","1") = "6"
    & skf21("3","3","7","1","6","6","4","1") = "6"
    & skf21("3","3","7","1","6","6","5","1") = "6"
    & skf21("3","3","7","1","6","6","6","1") = "6"
    & skf21("3","3","7","1","6","6","7","1") = "6"
    & skf21("3","3","7","1","6","7","1","1") = "6"
    & skf21("3","3","7","1","6","7","2","1") = "6"
    & skf21("3","3","7","1","6","7","3","1") = "6"
    & skf21("3","3","7","1","6","7","4","1") = "6"
    & skf21("3","3","7","1","6","7","5","1") = "6"
    & skf21("3","3","7","1","6","7","6","1") = "6"
    & skf21("3","3","7","1","6","7","7","1") = "6"
    & skf21("3","3","7","1","7","1","1","1") = "6"
    & skf21("3","3","7","1","7","1","2","1") = "6"
    & skf21("3","3","7","1","7","1","3","1") = "6"
    & skf21("3","3","7","1","7","1","4","1") = "6"
    & skf21("3","3","7","1","7","1","5","1") = "6"
    & skf21("3","3","7","1","7","1","6","1") = "6"
    & skf21("3","3","7","1","7","1","7","1") = "6"
    & skf21("3","3","7","1","7","2","1","1") = "6"
    & skf21("3","3","7","1","7","2","2","1") = "6"
    & skf21("3","3","7","1","7","2","3","1") = "6"
    & skf21("3","3","7","1","7","2","4","1") = "6"
    & skf21("3","3","7","1","7","2","5","1") = "6"
    & skf21("3","3","7","1","7","2","6","1") = "6"
    & skf21("3","3","7","1","7","2","7","1") = "6"
    & skf21("3","3","7","1","7","3","1","1") = "6"
    & skf21("3","3","7","1","7","3","2","1") = "6"
    & skf21("3","3","7","1","7","3","3","1") = "6"
    & skf21("3","3","7","1","7","3","4","1") = "6"
    & skf21("3","3","7","1","7","3","5","1") = "6"
    & skf21("3","3","7","1","7","3","6","1") = "6"
    & skf21("3","3","7","1","7","3","7","1") = "6"
    & skf21("3","3","7","1","7","4","1","1") = "6"
    & skf21("3","3","7","1","7","4","2","1") = "6"
    & skf21("3","3","7","1","7","4","3","1") = "6"
    & skf21("3","3","7","1","7","4","4","1") = "6"
    & skf21("3","3","7","1","7","4","5","1") = "6"
    & skf21("3","3","7","1","7","4","6","1") = "6"
    & skf21("3","3","7","1","7","4","7","1") = "6"
    & skf21("3","3","7","1","7","5","1","1") = "6"
    & skf21("3","3","7","1","7","5","2","1") = "6"
    & skf21("3","3","7","1","7","5","3","1") = "6"
    & skf21("3","3","7","1","7","5","4","1") = "6"
    & skf21("3","3","7","1","7","5","5","1") = "6"
    & skf21("3","3","7","1","7","5","6","1") = "6"
    & skf21("3","3","7","1","7","5","7","1") = "6"
    & skf21("3","3","7","1","7","6","1","1") = "6"
    & skf21("3","3","7","1","7","6","2","1") = "6"
    & skf21("3","3","7","1","7","6","3","1") = "6"
    & skf21("3","3","7","1","7","6","4","1") = "6"
    & skf21("3","3","7","1","7","6","5","1") = "6"
    & skf21("3","3","7","1","7","6","6","1") = "6"
    & skf21("3","3","7","1","7","6","7","1") = "6"
    & skf21("3","3","7","1","7","7","1","1") = "6"
    & skf21("3","3","7","1","7","7","2","1") = "6"
    & skf21("3","3","7","1","7","7","3","1") = "6"
    & skf21("3","3","7","1","7","7","4","1") = "6"
    & skf21("3","3","7","1","7","7","5","1") = "6"
    & skf21("3","3","7","1","7","7","6","1") = "6"
    & skf21("3","3","7","1","7","7","7","1") = "6"
    & skf21("3","3","7","2","1","1","1","1") = "6"
    & skf21("3","3","7","2","1","1","2","1") = "6"
    & skf21("3","3","7","2","1","1","3","1") = "6"
    & skf21("3","3","7","2","1","1","4","1") = "6"
    & skf21("3","3","7","2","1","1","5","1") = "6"
    & skf21("3","3","7","2","1","1","6","1") = "6"
    & skf21("3","3","7","2","1","1","7","1") = "6"
    & skf21("3","3","7","2","1","2","1","1") = "6"
    & skf21("3","3","7","2","1","2","2","1") = "6"
    & skf21("3","3","7","2","1","2","3","1") = "6"
    & skf21("3","3","7","2","1","2","4","1") = "6"
    & skf21("3","3","7","2","1","2","5","1") = "6"
    & skf21("3","3","7","2","1","2","6","1") = "6"
    & skf21("3","3","7","2","1","2","7","1") = "6"
    & skf21("3","3","7","2","1","3","1","1") = "6"
    & skf21("3","3","7","2","1","3","2","1") = "6"
    & skf21("3","3","7","2","1","3","3","1") = "6"
    & skf21("3","3","7","2","1","3","4","1") = "6"
    & skf21("3","3","7","2","1","3","5","1") = "6"
    & skf21("3","3","7","2","1","3","6","1") = "6"
    & skf21("3","3","7","2","1","3","7","1") = "6"
    & skf21("3","3","7","2","1","4","1","1") = "6"
    & skf21("3","3","7","2","1","4","2","1") = "6"
    & skf21("3","3","7","2","1","4","3","1") = "6"
    & skf21("3","3","7","2","1","4","4","1") = "6"
    & skf21("3","3","7","2","1","4","5","1") = "6"
    & skf21("3","3","7","2","1","4","6","1") = "6"
    & skf21("3","3","7","2","1","4","7","1") = "6"
    & skf21("3","3","7","2","1","5","1","1") = "6"
    & skf21("3","3","7","2","1","5","2","1") = "6"
    & skf21("3","3","7","2","1","5","3","1") = "6"
    & skf21("3","3","7","2","1","5","4","1") = "6"
    & skf21("3","3","7","2","1","5","5","1") = "6"
    & skf21("3","3","7","2","1","5","6","1") = "6"
    & skf21("3","3","7","2","1","5","7","1") = "6"
    & skf21("3","3","7","2","1","6","1","1") = "6"
    & skf21("3","3","7","2","1","6","2","1") = "6"
    & skf21("3","3","7","2","1","6","3","1") = "6"
    & skf21("3","3","7","2","1","6","4","1") = "6"
    & skf21("3","3","7","2","1","6","5","1") = "6"
    & skf21("3","3","7","2","1","6","6","1") = "6"
    & skf21("3","3","7","2","1","6","7","1") = "6"
    & skf21("3","3","7","2","1","7","1","1") = "6"
    & skf21("3","3","7","2","1","7","2","1") = "6"
    & skf21("3","3","7","2","1","7","3","1") = "6"
    & skf21("3","3","7","2","1","7","4","1") = "6"
    & skf21("3","3","7","2","1","7","5","1") = "6"
    & skf21("3","3","7","2","1","7","6","1") = "6"
    & skf21("3","3","7","2","1","7","7","1") = "6"
    & skf21("3","3","7","2","2","1","1","1") = "6"
    & skf21("3","3","7","2","2","1","2","1") = "6"
    & skf21("3","3","7","2","2","1","3","1") = "6"
    & skf21("3","3","7","2","2","1","4","1") = "6"
    & skf21("3","3","7","2","2","1","5","1") = "6"
    & skf21("3","3","7","2","2","1","6","1") = "6"
    & skf21("3","3","7","2","2","1","7","1") = "6"
    & skf21("3","3","7","2","2","2","1","1") = "6"
    & skf21("3","3","7","2","2","2","2","1") = "6"
    & skf21("3","3","7","2","2","2","3","1") = "6"
    & skf21("3","3","7","2","2","2","4","1") = "6"
    & skf21("3","3","7","2","2","2","5","1") = "6"
    & skf21("3","3","7","2","2","2","6","1") = "6"
    & skf21("3","3","7","2","2","2","7","1") = "6"
    & skf21("3","3","7","2","2","3","1","1") = "6"
    & skf21("3","3","7","2","2","3","2","1") = "6"
    & skf21("3","3","7","2","2","3","3","1") = "6"
    & skf21("3","3","7","2","2","3","4","1") = "6"
    & skf21("3","3","7","2","2","3","5","1") = "6"
    & skf21("3","3","7","2","2","3","6","1") = "6"
    & skf21("3","3","7","2","2","3","7","1") = "6"
    & skf21("3","3","7","2","2","4","1","1") = "6"
    & skf21("3","3","7","2","2","4","2","1") = "6"
    & skf21("3","3","7","2","2","4","3","1") = "6"
    & skf21("3","3","7","2","2","4","4","1") = "6"
    & skf21("3","3","7","2","2","4","5","1") = "6"
    & skf21("3","3","7","2","2","4","6","1") = "6"
    & skf21("3","3","7","2","2","4","7","1") = "6"
    & skf21("3","3","7","2","2","5","1","1") = "6"
    & skf21("3","3","7","2","2","5","2","1") = "6"
    & skf21("3","3","7","2","2","5","3","1") = "6"
    & skf21("3","3","7","2","2","5","4","1") = "6"
    & skf21("3","3","7","2","2","5","5","1") = "6"
    & skf21("3","3","7","2","2","5","6","1") = "6"
    & skf21("3","3","7","2","2","5","7","1") = "6"
    & skf21("3","3","7","2","2","6","1","1") = "6"
    & skf21("3","3","7","2","2","6","2","1") = "6"
    & skf21("3","3","7","2","2","6","3","1") = "6"
    & skf21("3","3","7","2","2","6","4","1") = "6"
    & skf21("3","3","7","2","2","6","5","1") = "6"
    & skf21("3","3","7","2","2","6","6","1") = "6"
    & skf21("3","3","7","2","2","6","7","1") = "6"
    & skf21("3","3","7","2","2","7","1","1") = "6"
    & skf21("3","3","7","2","2","7","2","1") = "6"
    & skf21("3","3","7","2","2","7","3","1") = "6"
    & skf21("3","3","7","2","2","7","4","1") = "6"
    & skf21("3","3","7","2","2","7","5","1") = "6"
    & skf21("3","3","7","2","2","7","6","1") = "6"
    & skf21("3","3","7","2","2","7","7","1") = "6"
    & skf21("3","3","7","2","3","1","1","1") = "6"
    & skf21("3","3","7","2","3","1","2","1") = "6"
    & skf21("3","3","7","2","3","1","3","1") = "6"
    & skf21("3","3","7","2","3","1","4","1") = "6"
    & skf21("3","3","7","2","3","1","5","1") = "6"
    & skf21("3","3","7","2","3","1","6","1") = "6"
    & skf21("3","3","7","2","3","1","7","1") = "6"
    & skf21("3","3","7","2","3","2","1","1") = "6"
    & skf21("3","3","7","2","3","2","2","1") = "6"
    & skf21("3","3","7","2","3","2","3","1") = "6"
    & skf21("3","3","7","2","3","2","4","1") = "6"
    & skf21("3","3","7","2","3","2","5","1") = "6"
    & skf21("3","3","7","2","3","2","6","1") = "6"
    & skf21("3","3","7","2","3","2","7","1") = "6"
    & skf21("3","3","7","2","3","3","1","1") = "6"
    & skf21("3","3","7","2","3","3","2","1") = "6"
    & skf21("3","3","7","2","3","3","3","1") = "6"
    & skf21("3","3","7","2","3","3","4","1") = "6"
    & skf21("3","3","7","2","3","3","5","1") = "6"
    & skf21("3","3","7","2","3","3","6","1") = "6"
    & skf21("3","3","7","2","3","3","7","1") = "6"
    & skf21("3","3","7","2","3","4","1","1") = "6"
    & skf21("3","3","7","2","3","4","2","1") = "6"
    & skf21("3","3","7","2","3","4","3","1") = "6"
    & skf21("3","3","7","2","3","4","4","1") = "6"
    & skf21("3","3","7","2","3","4","5","1") = "6"
    & skf21("3","3","7","2","3","4","6","1") = "6"
    & skf21("3","3","7","2","3","4","7","1") = "6"
    & skf21("3","3","7","2","3","5","1","1") = "6"
    & skf21("3","3","7","2","3","5","2","1") = "6"
    & skf21("3","3","7","2","3","5","3","1") = "6"
    & skf21("3","3","7","2","3","5","4","1") = "6"
    & skf21("3","3","7","2","3","5","5","1") = "6"
    & skf21("3","3","7","2","3","5","6","1") = "6"
    & skf21("3","3","7","2","3","5","7","1") = "6"
    & skf21("3","3","7","2","3","6","1","1") = "6"
    & skf21("3","3","7","2","3","6","2","1") = "6"
    & skf21("3","3","7","2","3","6","3","1") = "6"
    & skf21("3","3","7","2","3","6","4","1") = "6"
    & skf21("3","3","7","2","3","6","5","1") = "6"
    & skf21("3","3","7","2","3","6","6","1") = "6"
    & skf21("3","3","7","2","3","6","7","1") = "6"
    & skf21("3","3","7","2","3","7","1","1") = "6"
    & skf21("3","3","7","2","3","7","2","1") = "6"
    & skf21("3","3","7","2","3","7","3","1") = "6"
    & skf21("3","3","7","2","3","7","4","1") = "6"
    & skf21("3","3","7","2","3","7","5","1") = "6"
    & skf21("3","3","7","2","3","7","6","1") = "6"
    & skf21("3","3","7","2","3","7","7","1") = "6"
    & skf21("3","3","7","2","4","1","1","1") = "6"
    & skf21("3","3","7","2","4","1","2","1") = "6"
    & skf21("3","3","7","2","4","1","3","1") = "6"
    & skf21("3","3","7","2","4","1","4","1") = "6"
    & skf21("3","3","7","2","4","1","5","1") = "6"
    & skf21("3","3","7","2","4","1","6","1") = "6"
    & skf21("3","3","7","2","4","1","7","1") = "6"
    & skf21("3","3","7","2","4","2","1","1") = "6"
    & skf21("3","3","7","2","4","2","2","1") = "6"
    & skf21("3","3","7","2","4","2","3","1") = "6"
    & skf21("3","3","7","2","4","2","4","1") = "6"
    & skf21("3","3","7","2","4","2","5","1") = "6"
    & skf21("3","3","7","2","4","2","6","1") = "6"
    & skf21("3","3","7","2","4","2","7","1") = "6"
    & skf21("3","3","7","2","4","3","1","1") = "6"
    & skf21("3","3","7","2","4","3","2","1") = "6"
    & skf21("3","3","7","2","4","3","3","1") = "6"
    & skf21("3","3","7","2","4","3","4","1") = "6"
    & skf21("3","3","7","2","4","3","5","1") = "6"
    & skf21("3","3","7","2","4","3","6","1") = "6"
    & skf21("3","3","7","2","4","3","7","1") = "6"
    & skf21("3","3","7","2","4","4","1","1") = "6"
    & skf21("3","3","7","2","4","4","2","1") = "6"
    & skf21("3","3","7","2","4","4","3","1") = "6"
    & skf21("3","3","7","2","4","4","4","1") = "6"
    & skf21("3","3","7","2","4","4","5","1") = "6"
    & skf21("3","3","7","2","4","4","6","1") = "6"
    & skf21("3","3","7","2","4","4","7","1") = "6"
    & skf21("3","3","7","2","4","5","1","1") = "6"
    & skf21("3","3","7","2","4","5","2","1") = "6"
    & skf21("3","3","7","2","4","5","3","1") = "6"
    & skf21("3","3","7","2","4","5","4","1") = "6"
    & skf21("3","3","7","2","4","5","5","1") = "6"
    & skf21("3","3","7","2","4","5","6","1") = "6"
    & skf21("3","3","7","2","4","5","7","1") = "6"
    & skf21("3","3","7","2","4","6","1","1") = "6"
    & skf21("3","3","7","2","4","6","2","1") = "6"
    & skf21("3","3","7","2","4","6","3","1") = "6"
    & skf21("3","3","7","2","4","6","4","1") = "6"
    & skf21("3","3","7","2","4","6","5","1") = "6"
    & skf21("3","3","7","2","4","6","6","1") = "6"
    & skf21("3","3","7","2","4","6","7","1") = "6"
    & skf21("3","3","7","2","4","7","1","1") = "6"
    & skf21("3","3","7","2","4","7","2","1") = "6"
    & skf21("3","3","7","2","4","7","3","1") = "6"
    & skf21("3","3","7","2","4","7","4","1") = "6"
    & skf21("3","3","7","2","4","7","5","1") = "6"
    & skf21("3","3","7","2","4","7","6","1") = "6"
    & skf21("3","3","7","2","4","7","7","1") = "6"
    & skf21("3","3","7","2","5","1","1","1") = "6"
    & skf21("3","3","7","2","5","1","2","1") = "6"
    & skf21("3","3","7","2","5","1","3","1") = "6"
    & skf21("3","3","7","2","5","1","4","1") = "6"
    & skf21("3","3","7","2","5","1","5","1") = "6"
    & skf21("3","3","7","2","5","1","6","1") = "6"
    & skf21("3","3","7","2","5","1","7","1") = "6"
    & skf21("3","3","7","2","5","2","1","1") = "6"
    & skf21("3","3","7","2","5","2","2","1") = "6"
    & skf21("3","3","7","2","5","2","3","1") = "6"
    & skf21("3","3","7","2","5","2","4","1") = "6"
    & skf21("3","3","7","2","5","2","5","1") = "6"
    & skf21("3","3","7","2","5","2","6","1") = "6"
    & skf21("3","3","7","2","5","2","7","1") = "6"
    & skf21("3","3","7","2","5","3","1","1") = "6"
    & skf21("3","3","7","2","5","3","2","1") = "6"
    & skf21("3","3","7","2","5","3","3","1") = "6"
    & skf21("3","3","7","2","5","3","4","1") = "6"
    & skf21("3","3","7","2","5","3","5","1") = "6"
    & skf21("3","3","7","2","5","3","6","1") = "6"
    & skf21("3","3","7","2","5","3","7","1") = "6"
    & skf21("3","3","7","2","5","4","1","1") = "6"
    & skf21("3","3","7","2","5","4","2","1") = "6"
    & skf21("3","3","7","2","5","4","3","1") = "6"
    & skf21("3","3","7","2","5","4","4","1") = "6"
    & skf21("3","3","7","2","5","4","5","1") = "6"
    & skf21("3","3","7","2","5","4","6","1") = "6"
    & skf21("3","3","7","2","5","4","7","1") = "6"
    & skf21("3","3","7","2","5","5","1","1") = "6"
    & skf21("3","3","7","2","5","5","2","1") = "6"
    & skf21("3","3","7","2","5","5","3","1") = "6"
    & skf21("3","3","7","2","5","5","4","1") = "6"
    & skf21("3","3","7","2","5","5","5","1") = "6"
    & skf21("3","3","7","2","5","5","6","1") = "6"
    & skf21("3","3","7","2","5","5","7","1") = "6"
    & skf21("3","3","7","2","5","6","1","1") = "6"
    & skf21("3","3","7","2","5","6","2","1") = "6"
    & skf21("3","3","7","2","5","6","3","1") = "6"
    & skf21("3","3","7","2","5","6","4","1") = "6"
    & skf21("3","3","7","2","5","6","5","1") = "6"
    & skf21("3","3","7","2","5","6","6","1") = "6"
    & skf21("3","3","7","2","5","6","7","1") = "6"
    & skf21("3","3","7","2","5","7","1","1") = "6"
    & skf21("3","3","7","2","5","7","2","1") = "6"
    & skf21("3","3","7","2","5","7","3","1") = "6"
    & skf21("3","3","7","2","5","7","4","1") = "6"
    & skf21("3","3","7","2","5","7","5","1") = "6"
    & skf21("3","3","7","2","5","7","6","1") = "6"
    & skf21("3","3","7","2","5","7","7","1") = "6"
    & skf21("3","3","7","2","6","1","1","1") = "6"
    & skf21("3","3","7","2","6","1","2","1") = "6"
    & skf21("3","3","7","2","6","1","3","1") = "6"
    & skf21("3","3","7","2","6","1","4","1") = "6"
    & skf21("3","3","7","2","6","1","5","1") = "6"
    & skf21("3","3","7","2","6","1","6","1") = "6"
    & skf21("3","3","7","2","6","1","7","1") = "6"
    & skf21("3","3","7","2","6","2","1","1") = "6"
    & skf21("3","3","7","2","6","2","2","1") = "6"
    & skf21("3","3","7","2","6","2","3","1") = "6"
    & skf21("3","3","7","2","6","2","4","1") = "6"
    & skf21("3","3","7","2","6","2","5","1") = "6"
    & skf21("3","3","7","2","6","2","6","1") = "6"
    & skf21("3","3","7","2","6","2","7","1") = "6"
    & skf21("3","3","7","2","6","3","1","1") = "6"
    & skf21("3","3","7","2","6","3","2","1") = "6"
    & skf21("3","3","7","2","6","3","3","1") = "6"
    & skf21("3","3","7","2","6","3","4","1") = "6"
    & skf21("3","3","7","2","6","3","5","1") = "6"
    & skf21("3","3","7","2","6","3","6","1") = "6"
    & skf21("3","3","7","2","6","3","7","1") = "6"
    & skf21("3","3","7","2","6","4","1","1") = "6"
    & skf21("3","3","7","2","6","4","2","1") = "6"
    & skf21("3","3","7","2","6","4","3","1") = "6"
    & skf21("3","3","7","2","6","4","4","1") = "6"
    & skf21("3","3","7","2","6","4","5","1") = "6"
    & skf21("3","3","7","2","6","4","6","1") = "6"
    & skf21("3","3","7","2","6","4","7","1") = "6"
    & skf21("3","3","7","2","6","5","1","1") = "6"
    & skf21("3","3","7","2","6","5","2","1") = "6"
    & skf21("3","3","7","2","6","5","3","1") = "6"
    & skf21("3","3","7","2","6","5","4","1") = "6"
    & skf21("3","3","7","2","6","5","5","1") = "6"
    & skf21("3","3","7","2","6","5","6","1") = "6"
    & skf21("3","3","7","2","6","5","7","1") = "6"
    & skf21("3","3","7","2","6","6","1","1") = "6"
    & skf21("3","3","7","2","6","6","2","1") = "6"
    & skf21("3","3","7","2","6","6","3","1") = "6"
    & skf21("3","3","7","2","6","6","4","1") = "6"
    & skf21("3","3","7","2","6","6","5","1") = "6"
    & skf21("3","3","7","2","6","6","6","1") = "6"
    & skf21("3","3","7","2","6","6","7","1") = "6"
    & skf21("3","3","7","2","6","7","1","1") = "6"
    & skf21("3","3","7","2","6","7","2","1") = "6"
    & skf21("3","3","7","2","6","7","3","1") = "6"
    & skf21("3","3","7","2","6","7","4","1") = "6"
    & skf21("3","3","7","2","6","7","5","1") = "6"
    & skf21("3","3","7","2","6","7","6","1") = "6"
    & skf21("3","3","7","2","6","7","7","1") = "6"
    & skf21("3","3","7","2","7","1","1","1") = "6"
    & skf21("3","3","7","2","7","1","2","1") = "6"
    & skf21("3","3","7","2","7","1","3","1") = "6"
    & skf21("3","3","7","2","7","1","4","1") = "6"
    & skf21("3","3","7","2","7","1","5","1") = "6"
    & skf21("3","3","7","2","7","1","6","1") = "6"
    & skf21("3","3","7","2","7","1","7","1") = "6"
    & skf21("3","3","7","2","7","2","1","1") = "6"
    & skf21("3","3","7","2","7","2","2","1") = "6"
    & skf21("3","3","7","2","7","2","3","1") = "6"
    & skf21("3","3","7","2","7","2","4","1") = "6"
    & skf21("3","3","7","2","7","2","5","1") = "6"
    & skf21("3","3","7","2","7","2","6","1") = "6"
    & skf21("3","3","7","2","7","2","7","1") = "6"
    & skf21("3","3","7","2","7","3","1","1") = "6"
    & skf21("3","3","7","2","7","3","2","1") = "6"
    & skf21("3","3","7","2","7","3","3","1") = "6"
    & skf21("3","3","7","2","7","3","4","1") = "6"
    & skf21("3","3","7","2","7","3","5","1") = "6"
    & skf21("3","3","7","2","7","3","6","1") = "6"
    & skf21("3","3","7","2","7","3","7","1") = "6"
    & skf21("3","3","7","2","7","4","1","1") = "6"
    & skf21("3","3","7","2","7","4","2","1") = "6"
    & skf21("3","3","7","2","7","4","3","1") = "6"
    & skf21("3","3","7","2","7","4","4","1") = "6"
    & skf21("3","3","7","2","7","4","5","1") = "6"
    & skf21("3","3","7","2","7","4","6","1") = "6"
    & skf21("3","3","7","2","7","4","7","1") = "6"
    & skf21("3","3","7","2","7","5","1","1") = "6"
    & skf21("3","3","7","2","7","5","2","1") = "6"
    & skf21("3","3","7","2","7","5","3","1") = "6"
    & skf21("3","3","7","2","7","5","4","1") = "6"
    & skf21("3","3","7","2","7","5","5","1") = "6"
    & skf21("3","3","7","2","7","5","6","1") = "6"
    & skf21("3","3","7","2","7","5","7","1") = "6"
    & skf21("3","3","7","2","7","6","1","1") = "6"
    & skf21("3","3","7","2","7","6","2","1") = "6"
    & skf21("3","3","7","2","7","6","3","1") = "6"
    & skf21("3","3","7","2","7","6","4","1") = "6"
    & skf21("3","3","7","2","7","6","5","1") = "6"
    & skf21("3","3","7","2","7","6","6","1") = "6"
    & skf21("3","3","7","2","7","6","7","1") = "6"
    & skf21("3","3","7","2","7","7","1","1") = "6"
    & skf21("3","3","7","2","7","7","2","1") = "6"
    & skf21("3","3","7","2","7","7","3","1") = "6"
    & skf21("3","3","7","2","7","7","4","1") = "6"
    & skf21("3","3","7","2","7","7","5","1") = "6"
    & skf21("3","3","7","2","7","7","6","1") = "6"
    & skf21("3","3","7","2","7","7","7","1") = "6"
    & skf21("3","3","7","3","1","1","1","1") = "6"
    & skf21("3","3","7","3","1","1","2","1") = "6"
    & skf21("3","3","7","3","1","1","3","1") = "6"
    & skf21("3","3","7","3","1","1","4","1") = "6"
    & skf21("3","3","7","3","1","1","5","1") = "6"
    & skf21("3","3","7","3","1","1","6","1") = "6"
    & skf21("3","3","7","3","1","1","7","1") = "6"
    & skf21("3","3","7","3","1","2","1","1") = "6"
    & skf21("3","3","7","3","1","2","2","1") = "6"
    & skf21("3","3","7","3","1","2","3","1") = "6"
    & skf21("3","3","7","3","1","2","4","1") = "6"
    & skf21("3","3","7","3","1","2","5","1") = "6"
    & skf21("3","3","7","3","1","2","6","1") = "6"
    & skf21("3","3","7","3","1","2","7","1") = "6"
    & skf21("3","3","7","3","1","3","1","1") = "6"
    & skf21("3","3","7","3","1","3","2","1") = "6"
    & skf21("3","3","7","3","1","3","3","1") = "6"
    & skf21("3","3","7","3","1","3","4","1") = "6"
    & skf21("3","3","7","3","1","3","5","1") = "6"
    & skf21("3","3","7","3","1","3","6","1") = "6"
    & skf21("3","3","7","3","1","3","7","1") = "6"
    & skf21("3","3","7","3","1","4","1","1") = "6"
    & skf21("3","3","7","3","1","4","2","1") = "6"
    & skf21("3","3","7","3","1","4","3","1") = "6"
    & skf21("3","3","7","3","1","4","4","1") = "6"
    & skf21("3","3","7","3","1","4","5","1") = "6"
    & skf21("3","3","7","3","1","4","6","1") = "6"
    & skf21("3","3","7","3","1","4","7","1") = "6"
    & skf21("3","3","7","3","1","5","1","1") = "6"
    & skf21("3","3","7","3","1","5","2","1") = "6"
    & skf21("3","3","7","3","1","5","3","1") = "6"
    & skf21("3","3","7","3","1","5","4","1") = "6"
    & skf21("3","3","7","3","1","5","5","1") = "6"
    & skf21("3","3","7","3","1","5","6","1") = "6"
    & skf21("3","3","7","3","1","5","7","1") = "6"
    & skf21("3","3","7","3","1","6","1","1") = "6"
    & skf21("3","3","7","3","1","6","2","1") = "6"
    & skf21("3","3","7","3","1","6","3","1") = "6"
    & skf21("3","3","7","3","1","6","4","1") = "6"
    & skf21("3","3","7","3","1","6","5","1") = "6"
    & skf21("3","3","7","3","1","6","6","1") = "6"
    & skf21("3","3","7","3","1","6","7","1") = "6"
    & skf21("3","3","7","3","1","7","1","1") = "6"
    & skf21("3","3","7","3","1","7","2","1") = "6"
    & skf21("3","3","7","3","1","7","3","1") = "6"
    & skf21("3","3","7","3","1","7","4","1") = "6"
    & skf21("3","3","7","3","1","7","5","1") = "6"
    & skf21("3","3","7","3","1","7","6","1") = "6"
    & skf21("3","3","7","3","1","7","7","1") = "6"
    & skf21("3","3","7","3","2","1","1","1") = "6"
    & skf21("3","3","7","3","2","1","2","1") = "6"
    & skf21("3","3","7","3","2","1","3","1") = "6"
    & skf21("3","3","7","3","2","1","4","1") = "6"
    & skf21("3","3","7","3","2","1","5","1") = "6"
    & skf21("3","3","7","3","2","1","6","1") = "6"
    & skf21("3","3","7","3","2","1","7","1") = "6"
    & skf21("3","3","7","3","2","2","1","1") = "6"
    & skf21("3","3","7","3","2","2","2","1") = "6"
    & skf21("3","3","7","3","2","2","3","1") = "6"
    & skf21("3","3","7","3","2","2","4","1") = "6"
    & skf21("3","3","7","3","2","2","5","1") = "6"
    & skf21("3","3","7","3","2","2","6","1") = "6"
    & skf21("3","3","7","3","2","2","7","1") = "6"
    & skf21("3","3","7","3","2","3","1","1") = "6"
    & skf21("3","3","7","3","2","3","2","1") = "6"
    & skf21("3","3","7","3","2","3","3","1") = "6"
    & skf21("3","3","7","3","2","3","4","1") = "6"
    & skf21("3","3","7","3","2","3","5","1") = "6"
    & skf21("3","3","7","3","2","3","6","1") = "6"
    & skf21("3","3","7","3","2","3","7","1") = "6"
    & skf21("3","3","7","3","2","4","1","1") = "6"
    & skf21("3","3","7","3","2","4","2","1") = "6"
    & skf21("3","3","7","3","2","4","3","1") = "6"
    & skf21("3","3","7","3","2","4","4","1") = "6"
    & skf21("3","3","7","3","2","4","5","1") = "6"
    & skf21("3","3","7","3","2","4","6","1") = "6"
    & skf21("3","3","7","3","2","4","7","1") = "6"
    & skf21("3","3","7","3","2","5","1","1") = "6"
    & skf21("3","3","7","3","2","5","2","1") = "6"
    & skf21("3","3","7","3","2","5","3","1") = "6"
    & skf21("3","3","7","3","2","5","4","1") = "6"
    & skf21("3","3","7","3","2","5","5","1") = "6"
    & skf21("3","3","7","3","2","5","6","1") = "6"
    & skf21("3","3","7","3","2","5","7","1") = "6"
    & skf21("3","3","7","3","2","6","1","1") = "6"
    & skf21("3","3","7","3","2","6","2","1") = "6"
    & skf21("3","3","7","3","2","6","3","1") = "6"
    & skf21("3","3","7","3","2","6","4","1") = "6"
    & skf21("3","3","7","3","2","6","5","1") = "6"
    & skf21("3","3","7","3","2","6","6","1") = "6"
    & skf21("3","3","7","3","2","6","7","1") = "6"
    & skf21("3","3","7","3","2","7","1","1") = "6"
    & skf21("3","3","7","3","2","7","2","1") = "6"
    & skf21("3","3","7","3","2","7","3","1") = "6"
    & skf21("3","3","7","3","2","7","4","1") = "6"
    & skf21("3","3","7","3","2","7","5","1") = "6"
    & skf21("3","3","7","3","2","7","6","1") = "6"
    & skf21("3","3","7","3","2","7","7","1") = "6"
    & skf21("3","3","7","3","3","1","1","1") = "6"
    & skf21("3","3","7","3","3","1","2","1") = "6"
    & skf21("3","3","7","3","3","1","3","1") = "6"
    & skf21("3","3","7","3","3","1","4","1") = "6"
    & skf21("3","3","7","3","3","1","5","1") = "6"
    & skf21("3","3","7","3","3","1","6","1") = "6"
    & skf21("3","3","7","3","3","1","7","1") = "6"
    & skf21("3","3","7","3","3","2","1","1") = "6"
    & skf21("3","3","7","3","3","2","2","1") = "6"
    & skf21("3","3","7","3","3","2","3","1") = "6"
    & skf21("3","3","7","3","3","2","4","1") = "6"
    & skf21("3","3","7","3","3","2","5","1") = "6"
    & skf21("3","3","7","3","3","2","6","1") = "6"
    & skf21("3","3","7","3","3","2","7","1") = "6"
    & skf21("3","3","7","3","3","3","1","1") = "6"
    & skf21("3","3","7","3","3","3","2","1") = "6"
    & skf21("3","3","7","3","3","3","3","1") = "6"
    & skf21("3","3","7","3","3","3","4","1") = "6"
    & skf21("3","3","7","3","3","3","5","1") = "6"
    & skf21("3","3","7","3","3","3","6","1") = "6"
    & skf21("3","3","7","3","3","3","7","1") = "6"
    & skf21("3","3","7","3","3","4","1","1") = "6"
    & skf21("3","3","7","3","3","4","2","1") = "6"
    & skf21("3","3","7","3","3","4","3","1") = "6"
    & skf21("3","3","7","3","3","4","4","1") = "6"
    & skf21("3","3","7","3","3","4","5","1") = "6"
    & skf21("3","3","7","3","3","4","6","1") = "6"
    & skf21("3","3","7","3","3","4","7","1") = "6"
    & skf21("3","3","7","3","3","5","1","1") = "6"
    & skf21("3","3","7","3","3","5","2","1") = "6"
    & skf21("3","3","7","3","3","5","3","1") = "6"
    & skf21("3","3","7","3","3","5","4","1") = "6"
    & skf21("3","3","7","3","3","5","5","1") = "6"
    & skf21("3","3","7","3","3","5","6","1") = "6"
    & skf21("3","3","7","3","3","5","7","1") = "6"
    & skf21("3","3","7","3","3","6","1","1") = "6"
    & skf21("3","3","7","3","3","6","2","1") = "6"
    & skf21("3","3","7","3","3","6","3","1") = "6"
    & skf21("3","3","7","3","3","6","4","1") = "6"
    & skf21("3","3","7","3","3","6","5","1") = "6"
    & skf21("3","3","7","3","3","6","6","1") = "6"
    & skf21("3","3","7","3","3","6","7","1") = "6"
    & skf21("3","3","7","3","3","7","1","1") = "6"
    & skf21("3","3","7","3","3","7","2","1") = "6"
    & skf21("3","3","7","3","3","7","3","1") = "6"
    & skf21("3","3","7","3","3","7","4","1") = "6"
    & skf21("3","3","7","3","3","7","5","1") = "6"
    & skf21("3","3","7","3","3","7","6","1") = "6"
    & skf21("3","3","7","3","3","7","7","1") = "6"
    & skf21("3","3","7","3","4","1","1","1") = "6"
    & skf21("3","3","7","3","4","1","2","1") = "6"
    & skf21("3","3","7","3","4","1","3","1") = "6"
    & skf21("3","3","7","3","4","1","4","1") = "6"
    & skf21("3","3","7","3","4","1","5","1") = "6"
    & skf21("3","3","7","3","4","1","6","1") = "6"
    & skf21("3","3","7","3","4","1","7","1") = "6"
    & skf21("3","3","7","3","4","2","1","1") = "6"
    & skf21("3","3","7","3","4","2","2","1") = "6"
    & skf21("3","3","7","3","4","2","3","1") = "6"
    & skf21("3","3","7","3","4","2","4","1") = "6"
    & skf21("3","3","7","3","4","2","5","1") = "6"
    & skf21("3","3","7","3","4","2","6","1") = "6"
    & skf21("3","3","7","3","4","2","7","1") = "6"
    & skf21("3","3","7","3","4","3","1","1") = "6"
    & skf21("3","3","7","3","4","3","2","1") = "6"
    & skf21("3","3","7","3","4","3","3","1") = "6"
    & skf21("3","3","7","3","4","3","4","1") = "6"
    & skf21("3","3","7","3","4","3","5","1") = "6"
    & skf21("3","3","7","3","4","3","6","1") = "6"
    & skf21("3","3","7","3","4","3","7","1") = "6"
    & skf21("3","3","7","3","4","4","1","1") = "6"
    & skf21("3","3","7","3","4","4","2","1") = "6"
    & skf21("3","3","7","3","4","4","3","1") = "6"
    & skf21("3","3","7","3","4","4","4","1") = "6"
    & skf21("3","3","7","3","4","4","5","1") = "6"
    & skf21("3","3","7","3","4","4","6","1") = "6"
    & skf21("3","3","7","3","4","4","7","1") = "6"
    & skf21("3","3","7","3","4","5","1","1") = "6"
    & skf21("3","3","7","3","4","5","2","1") = "6"
    & skf21("3","3","7","3","4","5","3","1") = "6"
    & skf21("3","3","7","3","4","5","4","1") = "6"
    & skf21("3","3","7","3","4","5","5","1") = "6"
    & skf21("3","3","7","3","4","5","6","1") = "6"
    & skf21("3","3","7","3","4","5","7","1") = "6"
    & skf21("3","3","7","3","4","6","1","1") = "6"
    & skf21("3","3","7","3","4","6","2","1") = "6"
    & skf21("3","3","7","3","4","6","3","1") = "6"
    & skf21("3","3","7","3","4","6","4","1") = "6"
    & skf21("3","3","7","3","4","6","5","1") = "6"
    & skf21("3","3","7","3","4","6","6","1") = "6"
    & skf21("3","3","7","3","4","6","7","1") = "6"
    & skf21("3","3","7","3","4","7","1","1") = "6"
    & skf21("3","3","7","3","4","7","2","1") = "6"
    & skf21("3","3","7","3","4","7","3","1") = "6"
    & skf21("3","3","7","3","4","7","4","1") = "6"
    & skf21("3","3","7","3","4","7","5","1") = "6"
    & skf21("3","3","7","3","4","7","6","1") = "6"
    & skf21("3","3","7","3","4","7","7","1") = "6"
    & skf21("3","3","7","3","5","1","1","1") = "6"
    & skf21("3","3","7","3","5","1","2","1") = "6"
    & skf21("3","3","7","3","5","1","3","1") = "6"
    & skf21("3","3","7","3","5","1","4","1") = "6"
    & skf21("3","3","7","3","5","1","5","1") = "6"
    & skf21("3","3","7","3","5","1","6","1") = "6"
    & skf21("3","3","7","3","5","1","7","1") = "6"
    & skf21("3","3","7","3","5","2","1","1") = "6"
    & skf21("3","3","7","3","5","2","2","1") = "6"
    & skf21("3","3","7","3","5","2","3","1") = "6"
    & skf21("3","3","7","3","5","2","4","1") = "6"
    & skf21("3","3","7","3","5","2","5","1") = "6"
    & skf21("3","3","7","3","5","2","6","1") = "6"
    & skf21("3","3","7","3","5","2","7","1") = "6"
    & skf21("3","3","7","3","5","3","1","1") = "6"
    & skf21("3","3","7","3","5","3","2","1") = "6"
    & skf21("3","3","7","3","5","3","3","1") = "6"
    & skf21("3","3","7","3","5","3","4","1") = "6"
    & skf21("3","3","7","3","5","3","5","1") = "6"
    & skf21("3","3","7","3","5","3","6","1") = "6"
    & skf21("3","3","7","3","5","3","7","1") = "6"
    & skf21("3","3","7","3","5","4","1","1") = "6"
    & skf21("3","3","7","3","5","4","2","1") = "6"
    & skf21("3","3","7","3","5","4","3","1") = "6"
    & skf21("3","3","7","3","5","4","4","1") = "6"
    & skf21("3","3","7","3","5","4","5","1") = "6"
    & skf21("3","3","7","3","5","4","6","1") = "6"
    & skf21("3","3","7","3","5","4","7","1") = "6"
    & skf21("3","3","7","3","5","5","1","1") = "6"
    & skf21("3","3","7","3","5","5","2","1") = "6"
    & skf21("3","3","7","3","5","5","3","1") = "6"
    & skf21("3","3","7","3","5","5","4","1") = "6"
    & skf21("3","3","7","3","5","5","5","1") = "6"
    & skf21("3","3","7","3","5","5","6","1") = "6"
    & skf21("3","3","7","3","5","5","7","1") = "6"
    & skf21("3","3","7","3","5","6","1","1") = "6"
    & skf21("3","3","7","3","5","6","2","1") = "6"
    & skf21("3","3","7","3","5","6","3","1") = "6"
    & skf21("3","3","7","3","5","6","4","1") = "6"
    & skf21("3","3","7","3","5","6","5","1") = "6"
    & skf21("3","3","7","3","5","6","6","1") = "6"
    & skf21("3","3","7","3","5","6","7","1") = "6"
    & skf21("3","3","7","3","5","7","1","1") = "6"
    & skf21("3","3","7","3","5","7","2","1") = "6"
    & skf21("3","3","7","3","5","7","3","1") = "6"
    & skf21("3","3","7","3","5","7","4","1") = "6"
    & skf21("3","3","7","3","5","7","5","1") = "6"
    & skf21("3","3","7","3","5","7","6","1") = "6"
    & skf21("3","3","7","3","5","7","7","1") = "6"
    & skf21("3","3","7","3","6","1","1","1") = "6"
    & skf21("3","3","7","3","6","1","2","1") = "6"
    & skf21("3","3","7","3","6","1","3","1") = "6"
    & skf21("3","3","7","3","6","1","4","1") = "6"
    & skf21("3","3","7","3","6","1","5","1") = "6"
    & skf21("3","3","7","3","6","1","6","1") = "6"
    & skf21("3","3","7","3","6","1","7","1") = "6"
    & skf21("3","3","7","3","6","2","1","1") = "6"
    & skf21("3","3","7","3","6","2","2","1") = "6"
    & skf21("3","3","7","3","6","2","3","1") = "6"
    & skf21("3","3","7","3","6","2","4","1") = "6"
    & skf21("3","3","7","3","6","2","5","1") = "6"
    & skf21("3","3","7","3","6","2","6","1") = "6"
    & skf21("3","3","7","3","6","2","7","1") = "6"
    & skf21("3","3","7","3","6","3","1","1") = "6"
    & skf21("3","3","7","3","6","3","2","1") = "6"
    & skf21("3","3","7","3","6","3","3","1") = "6"
    & skf21("3","3","7","3","6","3","4","1") = "6"
    & skf21("3","3","7","3","6","3","5","1") = "6"
    & skf21("3","3","7","3","6","3","6","1") = "6"
    & skf21("3","3","7","3","6","3","7","1") = "6"
    & skf21("3","3","7","3","6","4","1","1") = "6"
    & skf21("3","3","7","3","6","4","2","1") = "6"
    & skf21("3","3","7","3","6","4","3","1") = "6"
    & skf21("3","3","7","3","6","4","4","1") = "6"
    & skf21("3","3","7","3","6","4","5","1") = "6"
    & skf21("3","3","7","3","6","4","6","1") = "6"
    & skf21("3","3","7","3","6","4","7","1") = "6"
    & skf21("3","3","7","3","6","5","1","1") = "6"
    & skf21("3","3","7","3","6","5","2","1") = "6"
    & skf21("3","3","7","3","6","5","3","1") = "6"
    & skf21("3","3","7","3","6","5","4","1") = "6"
    & skf21("3","3","7","3","6","5","5","1") = "6"
    & skf21("3","3","7","3","6","5","6","1") = "6"
    & skf21("3","3","7","3","6","5","7","1") = "6"
    & skf21("3","3","7","3","6","6","1","1") = "6"
    & skf21("3","3","7","3","6","6","2","1") = "6"
    & skf21("3","3","7","3","6","6","3","1") = "6"
    & skf21("3","3","7","3","6","6","4","1") = "6"
    & skf21("3","3","7","3","6","6","5","1") = "6"
    & skf21("3","3","7","3","6","6","6","1") = "6"
    & skf21("3","3","7","3","6","6","7","1") = "6"
    & skf21("3","3","7","3","6","7","1","1") = "6"
    & skf21("3","3","7","3","6","7","2","1") = "6"
    & skf21("3","3","7","3","6","7","3","1") = "6"
    & skf21("3","3","7","3","6","7","4","1") = "6"
    & skf21("3","3","7","3","6","7","5","1") = "6"
    & skf21("3","3","7","3","6","7","6","1") = "6"
    & skf21("3","3","7","3","6","7","7","1") = "6"
    & skf21("3","3","7","3","7","1","1","1") = "6"
    & skf21("3","3","7","3","7","1","2","1") = "6"
    & skf21("3","3","7","3","7","1","3","1") = "6"
    & skf21("3","3","7","3","7","1","4","1") = "6"
    & skf21("3","3","7","3","7","1","5","1") = "6"
    & skf21("3","3","7","3","7","1","6","1") = "6"
    & skf21("3","3","7","3","7","1","7","1") = "6"
    & skf21("3","3","7","3","7","2","1","1") = "6"
    & skf21("3","3","7","3","7","2","2","1") = "6"
    & skf21("3","3","7","3","7","2","3","1") = "6"
    & skf21("3","3","7","3","7","2","4","1") = "6"
    & skf21("3","3","7","3","7","2","5","1") = "6"
    & skf21("3","3","7","3","7","2","6","1") = "6"
    & skf21("3","3","7","3","7","2","7","1") = "6"
    & skf21("3","3","7","3","7","3","1","1") = "6"
    & skf21("3","3","7","3","7","3","2","1") = "6"
    & skf21("3","3","7","3","7","3","3","1") = "6"
    & skf21("3","3","7","3","7","3","4","1") = "6"
    & skf21("3","3","7","3","7","3","5","1") = "6"
    & skf21("3","3","7","3","7","3","6","1") = "6"
    & skf21("3","3","7","3","7","3","7","1") = "6"
    & skf21("3","3","7","3","7","4","1","1") = "6"
    & skf21("3","3","7","3","7","4","2","1") = "6"
    & skf21("3","3","7","3","7","4","3","1") = "6"
    & skf21("3","3","7","3","7","4","4","1") = "6"
    & skf21("3","3","7","3","7","4","5","1") = "6"
    & skf21("3","3","7","3","7","4","6","1") = "6"
    & skf21("3","3","7","3","7","4","7","1") = "6"
    & skf21("3","3","7","3","7","5","1","1") = "6"
    & skf21("3","3","7","3","7","5","2","1") = "6"
    & skf21("3","3","7","3","7","5","3","1") = "6"
    & skf21("3","3","7","3","7","5","4","1") = "6"
    & skf21("3","3","7","3","7","5","5","1") = "6"
    & skf21("3","3","7","3","7","5","6","1") = "6"
    & skf21("3","3","7","3","7","5","7","1") = "6"
    & skf21("3","3","7","3","7","6","1","1") = "6"
    & skf21("3","3","7","3","7","6","2","1") = "6"
    & skf21("3","3","7","3","7","6","3","1") = "6"
    & skf21("3","3","7","3","7","6","4","1") = "6"
    & skf21("3","3","7","3","7","6","5","1") = "6"
    & skf21("3","3","7","3","7","6","6","1") = "6"
    & skf21("3","3","7","3","7","6","7","1") = "6"
    & skf21("3","3","7","3","7","7","1","1") = "6"
    & skf21("3","3","7","3","7","7","2","1") = "6"
    & skf21("3","3","7","3","7","7","3","1") = "6"
    & skf21("3","3","7","3","7","7","4","1") = "6"
    & skf21("3","3","7","3","7","7","5","1") = "6"
    & skf21("3","3","7","3","7","7","6","1") = "6"
    & skf21("3","3","7","3","7","7","7","1") = "6"
    & skf21("3","3","7","4","1","1","1","1") = "6"
    & skf21("3","3","7","4","1","1","2","1") = "6"
    & skf21("3","3","7","4","1","1","3","1") = "6"
    & skf21("3","3","7","4","1","1","4","1") = "6"
    & skf21("3","3","7","4","1","1","5","1") = "6"
    & skf21("3","3","7","4","1","1","6","1") = "6"
    & skf21("3","3","7","4","1","1","7","1") = "6"
    & skf21("3","3","7","4","1","2","1","1") = "6"
    & skf21("3","3","7","4","1","2","2","1") = "6"
    & skf21("3","3","7","4","1","2","3","1") = "6"
    & skf21("3","3","7","4","1","2","4","1") = "6"
    & skf21("3","3","7","4","1","2","5","1") = "6"
    & skf21("3","3","7","4","1","2","6","1") = "6"
    & skf21("3","3","7","4","1","2","7","1") = "6"
    & skf21("3","3","7","4","1","3","1","1") = "6"
    & skf21("3","3","7","4","1","3","2","1") = "6"
    & skf21("3","3","7","4","1","3","3","1") = "6"
    & skf21("3","3","7","4","1","3","4","1") = "6"
    & skf21("3","3","7","4","1","3","5","1") = "6"
    & skf21("3","3","7","4","1","3","6","1") = "6"
    & skf21("3","3","7","4","1","3","7","1") = "6"
    & skf21("3","3","7","4","1","4","1","1") = "6"
    & skf21("3","3","7","4","1","4","2","1") = "6"
    & skf21("3","3","7","4","1","4","3","1") = "6"
    & skf21("3","3","7","4","1","4","4","1") = "6"
    & skf21("3","3","7","4","1","4","5","1") = "6"
    & skf21("3","3","7","4","1","4","6","1") = "6"
    & skf21("3","3","7","4","1","4","7","1") = "6"
    & skf21("3","3","7","4","1","5","1","1") = "6"
    & skf21("3","3","7","4","1","5","2","1") = "6"
    & skf21("3","3","7","4","1","5","3","1") = "6"
    & skf21("3","3","7","4","1","5","4","1") = "6"
    & skf21("3","3","7","4","1","5","5","1") = "6"
    & skf21("3","3","7","4","1","5","6","1") = "6"
    & skf21("3","3","7","4","1","5","7","1") = "6"
    & skf21("3","3","7","4","1","6","1","1") = "6"
    & skf21("3","3","7","4","1","6","2","1") = "6"
    & skf21("3","3","7","4","1","6","3","1") = "6"
    & skf21("3","3","7","4","1","6","4","1") = "6"
    & skf21("3","3","7","4","1","6","5","1") = "6"
    & skf21("3","3","7","4","1","6","6","1") = "6"
    & skf21("3","3","7","4","1","6","7","1") = "6"
    & skf21("3","3","7","4","1","7","1","1") = "6"
    & skf21("3","3","7","4","1","7","2","1") = "6"
    & skf21("3","3","7","4","1","7","3","1") = "6"
    & skf21("3","3","7","4","1","7","4","1") = "6"
    & skf21("3","3","7","4","1","7","5","1") = "6"
    & skf21("3","3","7","4","1","7","6","1") = "6"
    & skf21("3","3","7","4","1","7","7","1") = "6"
    & skf21("3","3","7","4","2","1","1","1") = "6"
    & skf21("3","3","7","4","2","1","2","1") = "6"
    & skf21("3","3","7","4","2","1","3","1") = "6"
    & skf21("3","3","7","4","2","1","4","1") = "6"
    & skf21("3","3","7","4","2","1","5","1") = "6"
    & skf21("3","3","7","4","2","1","6","1") = "6"
    & skf21("3","3","7","4","2","1","7","1") = "6"
    & skf21("3","3","7","4","2","2","1","1") = "6"
    & skf21("3","3","7","4","2","2","2","1") = "6"
    & skf21("3","3","7","4","2","2","3","1") = "6"
    & skf21("3","3","7","4","2","2","4","1") = "6"
    & skf21("3","3","7","4","2","2","5","1") = "6"
    & skf21("3","3","7","4","2","2","6","1") = "6"
    & skf21("3","3","7","4","2","2","7","1") = "6"
    & skf21("3","3","7","4","2","3","1","1") = "6"
    & skf21("3","3","7","4","2","3","2","1") = "6"
    & skf21("3","3","7","4","2","3","3","1") = "6"
    & skf21("3","3","7","4","2","3","4","1") = "6"
    & skf21("3","3","7","4","2","3","5","1") = "6"
    & skf21("3","3","7","4","2","3","6","1") = "6"
    & skf21("3","3","7","4","2","3","7","1") = "6"
    & skf21("3","3","7","4","2","4","1","1") = "6"
    & skf21("3","3","7","4","2","4","2","1") = "6"
    & skf21("3","3","7","4","2","4","3","1") = "6"
    & skf21("3","3","7","4","2","4","4","1") = "6"
    & skf21("3","3","7","4","2","4","5","1") = "6"
    & skf21("3","3","7","4","2","4","6","1") = "6"
    & skf21("3","3","7","4","2","4","7","1") = "6"
    & skf21("3","3","7","4","2","5","1","1") = "6"
    & skf21("3","3","7","4","2","5","2","1") = "6"
    & skf21("3","3","7","4","2","5","3","1") = "6"
    & skf21("3","3","7","4","2","5","4","1") = "6"
    & skf21("3","3","7","4","2","5","5","1") = "6"
    & skf21("3","3","7","4","2","5","6","1") = "6"
    & skf21("3","3","7","4","2","5","7","1") = "6"
    & skf21("3","3","7","4","2","6","1","1") = "6"
    & skf21("3","3","7","4","2","6","2","1") = "6"
    & skf21("3","3","7","4","2","6","3","1") = "6"
    & skf21("3","3","7","4","2","6","4","1") = "6"
    & skf21("3","3","7","4","2","6","5","1") = "6"
    & skf21("3","3","7","4","2","6","6","1") = "6"
    & skf21("3","3","7","4","2","6","7","1") = "6"
    & skf21("3","3","7","4","2","7","1","1") = "6"
    & skf21("3","3","7","4","2","7","2","1") = "6"
    & skf21("3","3","7","4","2","7","3","1") = "6"
    & skf21("3","3","7","4","2","7","4","1") = "6"
    & skf21("3","3","7","4","2","7","5","1") = "6"
    & skf21("3","3","7","4","2","7","6","1") = "6"
    & skf21("3","3","7","4","2","7","7","1") = "6"
    & skf21("3","3","7","4","3","1","1","1") = "6"
    & skf21("3","3","7","4","3","1","2","1") = "6"
    & skf21("3","3","7","4","3","1","3","1") = "6"
    & skf21("3","3","7","4","3","1","4","1") = "6"
    & skf21("3","3","7","4","3","1","5","1") = "6"
    & skf21("3","3","7","4","3","1","6","1") = "6"
    & skf21("3","3","7","4","3","1","7","1") = "6"
    & skf21("3","3","7","4","3","2","1","1") = "6"
    & skf21("3","3","7","4","3","2","2","1") = "6"
    & skf21("3","3","7","4","3","2","3","1") = "6"
    & skf21("3","3","7","4","3","2","4","1") = "6"
    & skf21("3","3","7","4","3","2","5","1") = "6"
    & skf21("3","3","7","4","3","2","6","1") = "6"
    & skf21("3","3","7","4","3","2","7","1") = "6"
    & skf21("3","3","7","4","3","3","1","1") = "6"
    & skf21("3","3","7","4","3","3","2","1") = "6"
    & skf21("3","3","7","4","3","3","3","1") = "6"
    & skf21("3","3","7","4","3","3","4","1") = "6"
    & skf21("3","3","7","4","3","3","5","1") = "6"
    & skf21("3","3","7","4","3","3","6","1") = "6"
    & skf21("3","3","7","4","3","3","7","1") = "6"
    & skf21("3","3","7","4","3","4","1","1") = "6"
    & skf21("3","3","7","4","3","4","2","1") = "6"
    & skf21("3","3","7","4","3","4","3","1") = "6"
    & skf21("3","3","7","4","3","4","4","1") = "6"
    & skf21("3","3","7","4","3","4","5","1") = "6"
    & skf21("3","3","7","4","3","4","6","1") = "6"
    & skf21("3","3","7","4","3","4","7","1") = "6"
    & skf21("3","3","7","4","3","5","1","1") = "6"
    & skf21("3","3","7","4","3","5","2","1") = "6"
    & skf21("3","3","7","4","3","5","3","1") = "6"
    & skf21("3","3","7","4","3","5","4","1") = "6"
    & skf21("3","3","7","4","3","5","5","1") = "6"
    & skf21("3","3","7","4","3","5","6","1") = "6"
    & skf21("3","3","7","4","3","5","7","1") = "6"
    & skf21("3","3","7","4","3","6","1","1") = "6"
    & skf21("3","3","7","4","3","6","2","1") = "6"
    & skf21("3","3","7","4","3","6","3","1") = "6"
    & skf21("3","3","7","4","3","6","4","1") = "6"
    & skf21("3","3","7","4","3","6","5","1") = "6"
    & skf21("3","3","7","4","3","6","6","1") = "6"
    & skf21("3","3","7","4","3","6","7","1") = "6"
    & skf21("3","3","7","4","3","7","1","1") = "6"
    & skf21("3","3","7","4","3","7","2","1") = "6"
    & skf21("3","3","7","4","3","7","3","1") = "6"
    & skf21("3","3","7","4","3","7","4","1") = "6"
    & skf21("3","3","7","4","3","7","5","1") = "6"
    & skf21("3","3","7","4","3","7","6","1") = "6"
    & skf21("3","3","7","4","3","7","7","1") = "6"
    & skf21("3","3","7","4","4","1","1","1") = "6"
    & skf21("3","3","7","4","4","1","2","1") = "6"
    & skf21("3","3","7","4","4","1","3","1") = "6"
    & skf21("3","3","7","4","4","1","4","1") = "6"
    & skf21("3","3","7","4","4","1","5","1") = "6"
    & skf21("3","3","7","4","4","1","6","1") = "6"
    & skf21("3","3","7","4","4","1","7","1") = "6"
    & skf21("3","3","7","4","4","2","1","1") = "6"
    & skf21("3","3","7","4","4","2","2","1") = "6"
    & skf21("3","3","7","4","4","2","3","1") = "6"
    & skf21("3","3","7","4","4","2","4","1") = "6"
    & skf21("3","3","7","4","4","2","5","1") = "6"
    & skf21("3","3","7","4","4","2","6","1") = "6"
    & skf21("3","3","7","4","4","2","7","1") = "6"
    & skf21("3","3","7","4","4","3","1","1") = "6"
    & skf21("3","3","7","4","4","3","2","1") = "6"
    & skf21("3","3","7","4","4","3","3","1") = "6"
    & skf21("3","3","7","4","4","3","4","1") = "6"
    & skf21("3","3","7","4","4","3","5","1") = "6"
    & skf21("3","3","7","4","4","3","6","1") = "6"
    & skf21("3","3","7","4","4","3","7","1") = "6"
    & skf21("3","3","7","4","4","4","1","1") = "6"
    & skf21("3","3","7","4","4","4","2","1") = "6"
    & skf21("3","3","7","4","4","4","3","1") = "6"
    & skf21("3","3","7","4","4","4","4","1") = "6"
    & skf21("3","3","7","4","4","4","5","1") = "6"
    & skf21("3","3","7","4","4","4","6","1") = "6"
    & skf21("3","3","7","4","4","4","7","1") = "6"
    & skf21("3","3","7","4","4","5","1","1") = "6"
    & skf21("3","3","7","4","4","5","2","1") = "6"
    & skf21("3","3","7","4","4","5","3","1") = "6"
    & skf21("3","3","7","4","4","5","4","1") = "6"
    & skf21("3","3","7","4","4","5","5","1") = "6"
    & skf21("3","3","7","4","4","5","6","1") = "6"
    & skf21("3","3","7","4","4","5","7","1") = "6"
    & skf21("3","3","7","4","4","6","1","1") = "6"
    & skf21("3","3","7","4","4","6","2","1") = "6"
    & skf21("3","3","7","4","4","6","3","1") = "6"
    & skf21("3","3","7","4","4","6","4","1") = "6"
    & skf21("3","3","7","4","4","6","5","1") = "6"
    & skf21("3","3","7","4","4","6","6","1") = "6"
    & skf21("3","3","7","4","4","6","7","1") = "6"
    & skf21("3","3","7","4","4","7","1","1") = "6"
    & skf21("3","3","7","4","4","7","2","1") = "6"
    & skf21("3","3","7","4","4","7","3","1") = "6"
    & skf21("3","3","7","4","4","7","4","1") = "6"
    & skf21("3","3","7","4","4","7","5","1") = "6"
    & skf21("3","3","7","4","4","7","6","1") = "6"
    & skf21("3","3","7","4","4","7","7","1") = "6"
    & skf21("3","3","7","4","5","1","1","1") = "6"
    & skf21("3","3","7","4","5","1","2","1") = "6"
    & skf21("3","3","7","4","5","1","3","1") = "6"
    & skf21("3","3","7","4","5","1","4","1") = "6"
    & skf21("3","3","7","4","5","1","5","1") = "6"
    & skf21("3","3","7","4","5","1","6","1") = "6"
    & skf21("3","3","7","4","5","1","7","1") = "6"
    & skf21("3","3","7","4","5","2","1","1") = "6"
    & skf21("3","3","7","4","5","2","2","1") = "6"
    & skf21("3","3","7","4","5","2","3","1") = "6"
    & skf21("3","3","7","4","5","2","4","1") = "6"
    & skf21("3","3","7","4","5","2","5","1") = "6"
    & skf21("3","3","7","4","5","2","6","1") = "6"
    & skf21("3","3","7","4","5","2","7","1") = "6"
    & skf21("3","3","7","4","5","3","1","1") = "6"
    & skf21("3","3","7","4","5","3","2","1") = "6"
    & skf21("3","3","7","4","5","3","3","1") = "6"
    & skf21("3","3","7","4","5","3","4","1") = "6"
    & skf21("3","3","7","4","5","3","5","1") = "6"
    & skf21("3","3","7","4","5","3","6","1") = "6"
    & skf21("3","3","7","4","5","3","7","1") = "6"
    & skf21("3","3","7","4","5","4","1","1") = "6"
    & skf21("3","3","7","4","5","4","2","1") = "6"
    & skf21("3","3","7","4","5","4","3","1") = "6"
    & skf21("3","3","7","4","5","4","4","1") = "6"
    & skf21("3","3","7","4","5","4","5","1") = "6"
    & skf21("3","3","7","4","5","4","6","1") = "6"
    & skf21("3","3","7","4","5","4","7","1") = "6"
    & skf21("3","3","7","4","5","5","1","1") = "6"
    & skf21("3","3","7","4","5","5","2","1") = "6"
    & skf21("3","3","7","4","5","5","3","1") = "6"
    & skf21("3","3","7","4","5","5","4","1") = "6"
    & skf21("3","3","7","4","5","5","5","1") = "6"
    & skf21("3","3","7","4","5","5","6","1") = "6"
    & skf21("3","3","7","4","5","5","7","1") = "6"
    & skf21("3","3","7","4","5","6","1","1") = "6"
    & skf21("3","3","7","4","5","6","2","1") = "6"
    & skf21("3","3","7","4","5","6","3","1") = "6"
    & skf21("3","3","7","4","5","6","4","1") = "6"
    & skf21("3","3","7","4","5","6","5","1") = "6"
    & skf21("3","3","7","4","5","6","6","1") = "6"
    & skf21("3","3","7","4","5","6","7","1") = "6"
    & skf21("3","3","7","4","5","7","1","1") = "6"
    & skf21("3","3","7","4","5","7","2","1") = "6"
    & skf21("3","3","7","4","5","7","3","1") = "6"
    & skf21("3","3","7","4","5","7","4","1") = "6"
    & skf21("3","3","7","4","5","7","5","1") = "6"
    & skf21("3","3","7","4","5","7","6","1") = "6"
    & skf21("3","3","7","4","5","7","7","1") = "6"
    & skf21("3","3","7","4","6","1","1","1") = "6"
    & skf21("3","3","7","4","6","1","2","1") = "6"
    & skf21("3","3","7","4","6","1","3","1") = "6"
    & skf21("3","3","7","4","6","1","4","1") = "6"
    & skf21("3","3","7","4","6","1","5","1") = "6"
    & skf21("3","3","7","4","6","1","6","1") = "6"
    & skf21("3","3","7","4","6","1","7","1") = "6"
    & skf21("3","3","7","4","6","2","1","1") = "6"
    & skf21("3","3","7","4","6","2","2","1") = "6"
    & skf21("3","3","7","4","6","2","3","1") = "6"
    & skf21("3","3","7","4","6","2","4","1") = "6"
    & skf21("3","3","7","4","6","2","5","1") = "6"
    & skf21("3","3","7","4","6","2","6","1") = "6"
    & skf21("3","3","7","4","6","2","7","1") = "6"
    & skf21("3","3","7","4","6","3","1","1") = "6"
    & skf21("3","3","7","4","6","3","2","1") = "6"
    & skf21("3","3","7","4","6","3","3","1") = "6"
    & skf21("3","3","7","4","6","3","4","1") = "6"
    & skf21("3","3","7","4","6","3","5","1") = "6"
    & skf21("3","3","7","4","6","3","6","1") = "6"
    & skf21("3","3","7","4","6","3","7","1") = "6"
    & skf21("3","3","7","4","6","4","1","1") = "6"
    & skf21("3","3","7","4","6","4","2","1") = "6"
    & skf21("3","3","7","4","6","4","3","1") = "6"
    & skf21("3","3","7","4","6","4","4","1") = "6"
    & skf21("3","3","7","4","6","4","5","1") = "6"
    & skf21("3","3","7","4","6","4","6","1") = "6"
    & skf21("3","3","7","4","6","4","7","1") = "6"
    & skf21("3","3","7","4","6","5","1","1") = "6"
    & skf21("3","3","7","4","6","5","2","1") = "6"
    & skf21("3","3","7","4","6","5","3","1") = "6"
    & skf21("3","3","7","4","6","5","4","1") = "6"
    & skf21("3","3","7","4","6","5","5","1") = "6"
    & skf21("3","3","7","4","6","5","6","1") = "6"
    & skf21("3","3","7","4","6","5","7","1") = "6"
    & skf21("3","3","7","4","6","6","1","1") = "6"
    & skf21("3","3","7","4","6","6","2","1") = "6"
    & skf21("3","3","7","4","6","6","3","1") = "6"
    & skf21("3","3","7","4","6","6","4","1") = "6"
    & skf21("3","3","7","4","6","6","5","1") = "6"
    & skf21("3","3","7","4","6","6","6","1") = "6"
    & skf21("3","3","7","4","6","6","7","1") = "6"
    & skf21("3","3","7","4","6","7","1","1") = "6"
    & skf21("3","3","7","4","6","7","2","1") = "6"
    & skf21("3","3","7","4","6","7","3","1") = "6"
    & skf21("3","3","7","4","6","7","4","1") = "6"
    & skf21("3","3","7","4","6","7","5","1") = "6"
    & skf21("3","3","7","4","6","7","6","1") = "6"
    & skf21("3","3","7","4","6","7","7","1") = "6"
    & skf21("3","3","7","4","7","1","1","1") = "6"
    & skf21("3","3","7","4","7","1","2","1") = "6"
    & skf21("3","3","7","4","7","1","3","1") = "6"
    & skf21("3","3","7","4","7","1","4","1") = "6"
    & skf21("3","3","7","4","7","1","5","1") = "6"
    & skf21("3","3","7","4","7","1","6","1") = "6"
    & skf21("3","3","7","4","7","1","7","1") = "6"
    & skf21("3","3","7","4","7","2","1","1") = "6"
    & skf21("3","3","7","4","7","2","2","1") = "6"
    & skf21("3","3","7","4","7","2","3","1") = "6"
    & skf21("3","3","7","4","7","2","4","1") = "6"
    & skf21("3","3","7","4","7","2","5","1") = "6"
    & skf21("3","3","7","4","7","2","6","1") = "6"
    & skf21("3","3","7","4","7","2","7","1") = "6"
    & skf21("3","3","7","4","7","3","1","1") = "6"
    & skf21("3","3","7","4","7","3","2","1") = "6"
    & skf21("3","3","7","4","7","3","3","1") = "6"
    & skf21("3","3","7","4","7","3","4","1") = "6"
    & skf21("3","3","7","4","7","3","5","1") = "6"
    & skf21("3","3","7","4","7","3","6","1") = "6"
    & skf21("3","3","7","4","7","3","7","1") = "6"
    & skf21("3","3","7","4","7","4","1","1") = "6"
    & skf21("3","3","7","4","7","4","2","1") = "6"
    & skf21("3","3","7","4","7","4","3","1") = "6"
    & skf21("3","3","7","4","7","4","4","1") = "6"
    & skf21("3","3","7","4","7","4","5","1") = "6"
    & skf21("3","3","7","4","7","4","6","1") = "6"
    & skf21("3","3","7","4","7","4","7","1") = "6"
    & skf21("3","3","7","4","7","5","1","1") = "6"
    & skf21("3","3","7","4","7","5","2","1") = "6"
    & skf21("3","3","7","4","7","5","3","1") = "6"
    & skf21("3","3","7","4","7","5","4","1") = "6"
    & skf21("3","3","7","4","7","5","5","1") = "6"
    & skf21("3","3","7","4","7","5","6","1") = "6"
    & skf21("3","3","7","4","7","5","7","1") = "6"
    & skf21("3","3","7","4","7","6","1","1") = "6"
    & skf21("3","3","7","4","7","6","2","1") = "6"
    & skf21("3","3","7","4","7","6","3","1") = "6"
    & skf21("3","3","7","4","7","6","4","1") = "6"
    & skf21("3","3","7","4","7","6","5","1") = "6"
    & skf21("3","3","7","4","7","6","6","1") = "6"
    & skf21("3","3","7","4","7","6","7","1") = "6"
    & skf21("3","3","7","4","7","7","1","1") = "6"
    & skf21("3","3","7","4","7","7","2","1") = "6"
    & skf21("3","3","7","4","7","7","3","1") = "6"
    & skf21("3","3","7","4","7","7","4","1") = "6"
    & skf21("3","3","7","4","7","7","5","1") = "6"
    & skf21("3","3","7","4","7","7","6","1") = "6"
    & skf21("3","3","7","4","7","7","7","1") = "6"
    & skf21("3","3","7","5","1","1","1","1") = "6"
    & skf21("3","3","7","5","1","1","2","1") = "6"
    & skf21("3","3","7","5","1","1","3","1") = "6"
    & skf21("3","3","7","5","1","1","4","1") = "6"
    & skf21("3","3","7","5","1","1","5","1") = "6"
    & skf21("3","3","7","5","1","1","6","1") = "6"
    & skf21("3","3","7","5","1","1","7","1") = "6"
    & skf21("3","3","7","5","1","2","1","1") = "6"
    & skf21("3","3","7","5","1","2","2","1") = "6"
    & skf21("3","3","7","5","1","2","3","1") = "6"
    & skf21("3","3","7","5","1","2","4","1") = "6"
    & skf21("3","3","7","5","1","2","5","1") = "6"
    & skf21("3","3","7","5","1","2","6","1") = "6"
    & skf21("3","3","7","5","1","2","7","1") = "6"
    & skf21("3","3","7","5","1","3","1","1") = "6"
    & skf21("3","3","7","5","1","3","2","1") = "6"
    & skf21("3","3","7","5","1","3","3","1") = "6"
    & skf21("3","3","7","5","1","3","4","1") = "6"
    & skf21("3","3","7","5","1","3","5","1") = "6"
    & skf21("3","3","7","5","1","3","6","1") = "6"
    & skf21("3","3","7","5","1","3","7","1") = "6"
    & skf21("3","3","7","5","1","4","1","1") = "6"
    & skf21("3","3","7","5","1","4","2","1") = "6"
    & skf21("3","3","7","5","1","4","3","1") = "6"
    & skf21("3","3","7","5","1","4","4","1") = "6"
    & skf21("3","3","7","5","1","4","5","1") = "6"
    & skf21("3","3","7","5","1","4","6","1") = "6"
    & skf21("3","3","7","5","1","4","7","1") = "6"
    & skf21("3","3","7","5","1","5","1","1") = "6"
    & skf21("3","3","7","5","1","5","2","1") = "6"
    & skf21("3","3","7","5","1","5","3","1") = "6"
    & skf21("3","3","7","5","1","5","4","1") = "6"
    & skf21("3","3","7","5","1","5","5","1") = "6"
    & skf21("3","3","7","5","1","5","6","1") = "6"
    & skf21("3","3","7","5","1","5","7","1") = "6"
    & skf21("3","3","7","5","1","6","1","1") = "6"
    & skf21("3","3","7","5","1","6","2","1") = "6"
    & skf21("3","3","7","5","1","6","3","1") = "6"
    & skf21("3","3","7","5","1","6","4","1") = "6"
    & skf21("3","3","7","5","1","6","5","1") = "6"
    & skf21("3","3","7","5","1","6","6","1") = "6"
    & skf21("3","3","7","5","1","6","7","1") = "6"
    & skf21("3","3","7","5","1","7","1","1") = "6"
    & skf21("3","3","7","5","1","7","2","1") = "6"
    & skf21("3","3","7","5","1","7","3","1") = "6"
    & skf21("3","3","7","5","1","7","4","1") = "6"
    & skf21("3","3","7","5","1","7","5","1") = "6"
    & skf21("3","3","7","5","1","7","6","1") = "6"
    & skf21("3","3","7","5","1","7","7","1") = "6"
    & skf21("3","3","7","5","2","1","1","1") = "6"
    & skf21("3","3","7","5","2","1","2","1") = "6"
    & skf21("3","3","7","5","2","1","3","1") = "6"
    & skf21("3","3","7","5","2","1","4","1") = "6"
    & skf21("3","3","7","5","2","1","5","1") = "6"
    & skf21("3","3","7","5","2","1","6","1") = "6"
    & skf21("3","3","7","5","2","1","7","1") = "6"
    & skf21("3","3","7","5","2","2","1","1") = "6"
    & skf21("3","3","7","5","2","2","2","1") = "6"
    & skf21("3","3","7","5","2","2","3","1") = "6"
    & skf21("3","3","7","5","2","2","4","1") = "6"
    & skf21("3","3","7","5","2","2","5","1") = "6"
    & skf21("3","3","7","5","2","2","6","1") = "6"
    & skf21("3","3","7","5","2","2","7","1") = "6"
    & skf21("3","3","7","5","2","3","1","1") = "6"
    & skf21("3","3","7","5","2","3","2","1") = "6"
    & skf21("3","3","7","5","2","3","3","1") = "6"
    & skf21("3","3","7","5","2","3","4","1") = "6"
    & skf21("3","3","7","5","2","3","5","1") = "6"
    & skf21("3","3","7","5","2","3","6","1") = "6"
    & skf21("3","3","7","5","2","3","7","1") = "6"
    & skf21("3","3","7","5","2","4","1","1") = "6"
    & skf21("3","3","7","5","2","4","2","1") = "6"
    & skf21("3","3","7","5","2","4","3","1") = "6"
    & skf21("3","3","7","5","2","4","4","1") = "6"
    & skf21("3","3","7","5","2","4","5","1") = "6"
    & skf21("3","3","7","5","2","4","6","1") = "6"
    & skf21("3","3","7","5","2","4","7","1") = "6"
    & skf21("3","3","7","5","2","5","1","1") = "6"
    & skf21("3","3","7","5","2","5","2","1") = "6"
    & skf21("3","3","7","5","2","5","3","1") = "6"
    & skf21("3","3","7","5","2","5","4","1") = "6"
    & skf21("3","3","7","5","2","5","5","1") = "6"
    & skf21("3","3","7","5","2","5","6","1") = "6"
    & skf21("3","3","7","5","2","5","7","1") = "6"
    & skf21("3","3","7","5","2","6","1","1") = "6"
    & skf21("3","3","7","5","2","6","2","1") = "6"
    & skf21("3","3","7","5","2","6","3","1") = "6"
    & skf21("3","3","7","5","2","6","4","1") = "6"
    & skf21("3","3","7","5","2","6","5","1") = "6"
    & skf21("3","3","7","5","2","6","6","1") = "6"
    & skf21("3","3","7","5","2","6","7","1") = "6"
    & skf21("3","3","7","5","2","7","1","1") = "6"
    & skf21("3","3","7","5","2","7","2","1") = "6"
    & skf21("3","3","7","5","2","7","3","1") = "6"
    & skf21("3","3","7","5","2","7","4","1") = "6"
    & skf21("3","3","7","5","2","7","5","1") = "6"
    & skf21("3","3","7","5","2","7","6","1") = "6"
    & skf21("3","3","7","5","2","7","7","1") = "6"
    & skf21("3","3","7","5","3","1","1","1") = "6"
    & skf21("3","3","7","5","3","1","2","1") = "6"
    & skf21("3","3","7","5","3","1","3","1") = "6"
    & skf21("3","3","7","5","3","1","4","1") = "6"
    & skf21("3","3","7","5","3","1","5","1") = "6"
    & skf21("3","3","7","5","3","1","6","1") = "6"
    & skf21("3","3","7","5","3","1","7","1") = "6"
    & skf21("3","3","7","5","3","2","1","1") = "6"
    & skf21("3","3","7","5","3","2","2","1") = "6"
    & skf21("3","3","7","5","3","2","3","1") = "6"
    & skf21("3","3","7","5","3","2","4","1") = "6"
    & skf21("3","3","7","5","3","2","5","1") = "6"
    & skf21("3","3","7","5","3","2","6","1") = "6"
    & skf21("3","3","7","5","3","2","7","1") = "6"
    & skf21("3","3","7","5","3","3","1","1") = "6"
    & skf21("3","3","7","5","3","3","2","1") = "6"
    & skf21("3","3","7","5","3","3","3","1") = "6"
    & skf21("3","3","7","5","3","3","4","1") = "6"
    & skf21("3","3","7","5","3","3","5","1") = "6"
    & skf21("3","3","7","5","3","3","6","1") = "6"
    & skf21("3","3","7","5","3","3","7","1") = "6"
    & skf21("3","3","7","5","3","4","1","1") = "6"
    & skf21("3","3","7","5","3","4","2","1") = "6"
    & skf21("3","3","7","5","3","4","3","1") = "6"
    & skf21("3","3","7","5","3","4","4","1") = "6"
    & skf21("3","3","7","5","3","4","5","1") = "6"
    & skf21("3","3","7","5","3","4","6","1") = "6"
    & skf21("3","3","7","5","3","4","7","1") = "6"
    & skf21("3","3","7","5","3","5","1","1") = "6"
    & skf21("3","3","7","5","3","5","2","1") = "6"
    & skf21("3","3","7","5","3","5","3","1") = "6"
    & skf21("3","3","7","5","3","5","4","1") = "6"
    & skf21("3","3","7","5","3","5","5","1") = "6"
    & skf21("3","3","7","5","3","5","6","1") = "6"
    & skf21("3","3","7","5","3","5","7","1") = "6"
    & skf21("3","3","7","5","3","6","1","1") = "6"
    & skf21("3","3","7","5","3","6","2","1") = "6"
    & skf21("3","3","7","5","3","6","3","1") = "6"
    & skf21("3","3","7","5","3","6","4","1") = "6"
    & skf21("3","3","7","5","3","6","5","1") = "6"
    & skf21("3","3","7","5","3","6","6","1") = "6"
    & skf21("3","3","7","5","3","6","7","1") = "6"
    & skf21("3","3","7","5","3","7","1","1") = "6"
    & skf21("3","3","7","5","3","7","2","1") = "6"
    & skf21("3","3","7","5","3","7","3","1") = "6"
    & skf21("3","3","7","5","3","7","4","1") = "6"
    & skf21("3","3","7","5","3","7","5","1") = "6"
    & skf21("3","3","7","5","3","7","6","1") = "6"
    & skf21("3","3","7","5","3","7","7","1") = "6"
    & skf21("3","3","7","5","4","1","1","1") = "6"
    & skf21("3","3","7","5","4","1","2","1") = "6"
    & skf21("3","3","7","5","4","1","3","1") = "6"
    & skf21("3","3","7","5","4","1","4","1") = "6"
    & skf21("3","3","7","5","4","1","5","1") = "6"
    & skf21("3","3","7","5","4","1","6","1") = "6"
    & skf21("3","3","7","5","4","1","7","1") = "6"
    & skf21("3","3","7","5","4","2","1","1") = "6"
    & skf21("3","3","7","5","4","2","2","1") = "6"
    & skf21("3","3","7","5","4","2","3","1") = "6"
    & skf21("3","3","7","5","4","2","4","1") = "6"
    & skf21("3","3","7","5","4","2","5","1") = "6"
    & skf21("3","3","7","5","4","2","6","1") = "6"
    & skf21("3","3","7","5","4","2","7","1") = "6"
    & skf21("3","3","7","5","4","3","1","1") = "6"
    & skf21("3","3","7","5","4","3","2","1") = "6"
    & skf21("3","3","7","5","4","3","3","1") = "6"
    & skf21("3","3","7","5","4","3","4","1") = "6"
    & skf21("3","3","7","5","4","3","5","1") = "6"
    & skf21("3","3","7","5","4","3","6","1") = "6"
    & skf21("3","3","7","5","4","3","7","1") = "6"
    & skf21("3","3","7","5","4","4","1","1") = "6"
    & skf21("3","3","7","5","4","4","2","1") = "6"
    & skf21("3","3","7","5","4","4","3","1") = "6"
    & skf21("3","3","7","5","4","4","4","1") = "6"
    & skf21("3","3","7","5","4","4","5","1") = "6"
    & skf21("3","3","7","5","4","4","6","1") = "6"
    & skf21("3","3","7","5","4","4","7","1") = "6"
    & skf21("3","3","7","5","4","5","1","1") = "6"
    & skf21("3","3","7","5","4","5","2","1") = "6"
    & skf21("3","3","7","5","4","5","3","1") = "6"
    & skf21("3","3","7","5","4","5","4","1") = "6"
    & skf21("3","3","7","5","4","5","5","1") = "6"
    & skf21("3","3","7","5","4","5","6","1") = "6"
    & skf21("3","3","7","5","4","5","7","1") = "6"
    & skf21("3","3","7","5","4","6","1","1") = "6"
    & skf21("3","3","7","5","4","6","2","1") = "6"
    & skf21("3","3","7","5","4","6","3","1") = "6"
    & skf21("3","3","7","5","4","6","4","1") = "6"
    & skf21("3","3","7","5","4","6","5","1") = "6"
    & skf21("3","3","7","5","4","6","6","1") = "6"
    & skf21("3","3","7","5","4","6","7","1") = "6"
    & skf21("3","3","7","5","4","7","1","1") = "6"
    & skf21("3","3","7","5","4","7","2","1") = "6"
    & skf21("3","3","7","5","4","7","3","1") = "6"
    & skf21("3","3","7","5","4","7","4","1") = "6"
    & skf21("3","3","7","5","4","7","5","1") = "6"
    & skf21("3","3","7","5","4","7","6","1") = "6"
    & skf21("3","3","7","5","4","7","7","1") = "6"
    & skf21("3","3","7","5","5","1","1","1") = "6"
    & skf21("3","3","7","5","5","1","2","1") = "6"
    & skf21("3","3","7","5","5","1","3","1") = "6"
    & skf21("3","3","7","5","5","1","4","1") = "6"
    & skf21("3","3","7","5","5","1","5","1") = "6"
    & skf21("3","3","7","5","5","1","6","1") = "6"
    & skf21("3","3","7","5","5","1","7","1") = "6"
    & skf21("3","3","7","5","5","2","1","1") = "6"
    & skf21("3","3","7","5","5","2","2","1") = "6"
    & skf21("3","3","7","5","5","2","3","1") = "6"
    & skf21("3","3","7","5","5","2","4","1") = "6"
    & skf21("3","3","7","5","5","2","5","1") = "6"
    & skf21("3","3","7","5","5","2","6","1") = "6"
    & skf21("3","3","7","5","5","2","7","1") = "6"
    & skf21("3","3","7","5","5","3","1","1") = "6"
    & skf21("3","3","7","5","5","3","2","1") = "6"
    & skf21("3","3","7","5","5","3","3","1") = "6"
    & skf21("3","3","7","5","5","3","4","1") = "6"
    & skf21("3","3","7","5","5","3","5","1") = "6"
    & skf21("3","3","7","5","5","3","6","1") = "6"
    & skf21("3","3","7","5","5","3","7","1") = "6"
    & skf21("3","3","7","5","5","4","1","1") = "6"
    & skf21("3","3","7","5","5","4","2","1") = "6"
    & skf21("3","3","7","5","5","4","3","1") = "6"
    & skf21("3","3","7","5","5","4","4","1") = "6"
    & skf21("3","3","7","5","5","4","5","1") = "6"
    & skf21("3","3","7","5","5","4","6","1") = "6"
    & skf21("3","3","7","5","5","4","7","1") = "6"
    & skf21("3","3","7","5","5","5","1","1") = "6"
    & skf21("3","3","7","5","5","5","2","1") = "6"
    & skf21("3","3","7","5","5","5","3","1") = "6"
    & skf21("3","3","7","5","5","5","4","1") = "6"
    & skf21("3","3","7","5","5","5","5","1") = "6"
    & skf21("3","3","7","5","5","5","6","1") = "6"
    & skf21("3","3","7","5","5","5","7","1") = "6"
    & skf21("3","3","7","5","5","6","1","1") = "6"
    & skf21("3","3","7","5","5","6","2","1") = "6"
    & skf21("3","3","7","5","5","6","3","1") = "6"
    & skf21("3","3","7","5","5","6","4","1") = "6"
    & skf21("3","3","7","5","5","6","5","1") = "6"
    & skf21("3","3","7","5","5","6","6","1") = "6"
    & skf21("3","3","7","5","5","6","7","1") = "6"
    & skf21("3","3","7","5","5","7","1","1") = "6"
    & skf21("3","3","7","5","5","7","2","1") = "6"
    & skf21("3","3","7","5","5","7","3","1") = "6"
    & skf21("3","3","7","5","5","7","4","1") = "6"
    & skf21("3","3","7","5","5","7","5","1") = "6"
    & skf21("3","3","7","5","5","7","6","1") = "6"
    & skf21("3","3","7","5","5","7","7","1") = "6"
    & skf21("3","3","7","5","6","1","1","1") = "6"
    & skf21("3","3","7","5","6","1","2","1") = "6"
    & skf21("3","3","7","5","6","1","3","1") = "6"
    & skf21("3","3","7","5","6","1","4","1") = "6"
    & skf21("3","3","7","5","6","1","5","1") = "6"
    & skf21("3","3","7","5","6","1","6","1") = "6"
    & skf21("3","3","7","5","6","1","7","1") = "6"
    & skf21("3","3","7","5","6","2","1","1") = "6"
    & skf21("3","3","7","5","6","2","2","1") = "6"
    & skf21("3","3","7","5","6","2","3","1") = "6"
    & skf21("3","3","7","5","6","2","4","1") = "6"
    & skf21("3","3","7","5","6","2","5","1") = "6"
    & skf21("3","3","7","5","6","2","6","1") = "6"
    & skf21("3","3","7","5","6","2","7","1") = "6"
    & skf21("3","3","7","5","6","3","1","1") = "6"
    & skf21("3","3","7","5","6","3","2","1") = "6"
    & skf21("3","3","7","5","6","3","3","1") = "6"
    & skf21("3","3","7","5","6","3","4","1") = "6"
    & skf21("3","3","7","5","6","3","5","1") = "6"
    & skf21("3","3","7","5","6","3","6","1") = "6"
    & skf21("3","3","7","5","6","3","7","1") = "6"
    & skf21("3","3","7","5","6","4","1","1") = "6"
    & skf21("3","3","7","5","6","4","2","1") = "6"
    & skf21("3","3","7","5","6","4","3","1") = "6"
    & skf21("3","3","7","5","6","4","4","1") = "6"
    & skf21("3","3","7","5","6","4","5","1") = "6"
    & skf21("3","3","7","5","6","4","6","1") = "6"
    & skf21("3","3","7","5","6","4","7","1") = "6"
    & skf21("3","3","7","5","6","5","1","1") = "6"
    & skf21("3","3","7","5","6","5","2","1") = "6"
    & skf21("3","3","7","5","6","5","3","1") = "6"
    & skf21("3","3","7","5","6","5","4","1") = "6"
    & skf21("3","3","7","5","6","5","5","1") = "6"
    & skf21("3","3","7","5","6","5","6","1") = "6"
    & skf21("3","3","7","5","6","5","7","1") = "6"
    & skf21("3","3","7","5","6","6","1","1") = "6"
    & skf21("3","3","7","5","6","6","2","1") = "6"
    & skf21("3","3","7","5","6","6","3","1") = "6"
    & skf21("3","3","7","5","6","6","4","1") = "6"
    & skf21("3","3","7","5","6","6","5","1") = "6"
    & skf21("3","3","7","5","6","6","6","1") = "6"
    & skf21("3","3","7","5","6","6","7","1") = "6"
    & skf21("3","3","7","5","6","7","1","1") = "6"
    & skf21("3","3","7","5","6","7","2","1") = "6"
    & skf21("3","3","7","5","6","7","3","1") = "6"
    & skf21("3","3","7","5","6","7","4","1") = "6"
    & skf21("3","3","7","5","6","7","5","1") = "6"
    & skf21("3","3","7","5","6","7","6","1") = "6"
    & skf21("3","3","7","5","6","7","7","1") = "6"
    & skf21("3","3","7","5","7","1","1","1") = "6"
    & skf21("3","3","7","5","7","1","2","1") = "6"
    & skf21("3","3","7","5","7","1","3","1") = "6"
    & skf21("3","3","7","5","7","1","4","1") = "6"
    & skf21("3","3","7","5","7","1","5","1") = "6"
    & skf21("3","3","7","5","7","1","6","1") = "6"
    & skf21("3","3","7","5","7","1","7","1") = "6"
    & skf21("3","3","7","5","7","2","1","1") = "6"
    & skf21("3","3","7","5","7","2","2","1") = "6"
    & skf21("3","3","7","5","7","2","3","1") = "6"
    & skf21("3","3","7","5","7","2","4","1") = "6"
    & skf21("3","3","7","5","7","2","5","1") = "6"
    & skf21("3","3","7","5","7","2","6","1") = "6"
    & skf21("3","3","7","5","7","2","7","1") = "6"
    & skf21("3","3","7","5","7","3","1","1") = "6"
    & skf21("3","3","7","5","7","3","2","1") = "6"
    & skf21("3","3","7","5","7","3","3","1") = "6"
    & skf21("3","3","7","5","7","3","4","1") = "6"
    & skf21("3","3","7","5","7","3","5","1") = "6"
    & skf21("3","3","7","5","7","3","6","1") = "6"
    & skf21("3","3","7","5","7","3","7","1") = "6"
    & skf21("3","3","7","5","7","4","1","1") = "6"
    & skf21("3","3","7","5","7","4","2","1") = "6"
    & skf21("3","3","7","5","7","4","3","1") = "6"
    & skf21("3","3","7","5","7","4","4","1") = "6"
    & skf21("3","3","7","5","7","4","5","1") = "6"
    & skf21("3","3","7","5","7","4","6","1") = "6"
    & skf21("3","3","7","5","7","4","7","1") = "6"
    & skf21("3","3","7","5","7","5","1","1") = "6"
    & skf21("3","3","7","5","7","5","2","1") = "6"
    & skf21("3","3","7","5","7","5","3","1") = "6"
    & skf21("3","3","7","5","7","5","4","1") = "6"
    & skf21("3","3","7","5","7","5","5","1") = "6"
    & skf21("3","3","7","5","7","5","6","1") = "6"
    & skf21("3","3","7","5","7","5","7","1") = "6"
    & skf21("3","3","7","5","7","6","1","1") = "6"
    & skf21("3","3","7","5","7","6","2","1") = "6"
    & skf21("3","3","7","5","7","6","3","1") = "6"
    & skf21("3","3","7","5","7","6","4","1") = "6"
    & skf21("3","3","7","5","7","6","5","1") = "6"
    & skf21("3","3","7","5","7","6","6","1") = "6"
    & skf21("3","3","7","5","7","6","7","1") = "6"
    & skf21("3","3","7","5","7","7","1","1") = "6"
    & skf21("3","3","7","5","7","7","2","1") = "6"
    & skf21("3","3","7","5","7","7","3","1") = "6"
    & skf21("3","3","7","5","7","7","4","1") = "6"
    & skf21("3","3","7","5","7","7","5","1") = "6"
    & skf21("3","3","7","5","7","7","6","1") = "6"
    & skf21("3","3","7","5","7","7","7","1") = "6"
    & skf21("3","3","7","6","1","1","1","1") = "6"
    & skf21("3","3","7","6","1","1","2","1") = "6"
    & skf21("3","3","7","6","1","1","3","1") = "6"
    & skf21("3","3","7","6","1","1","4","1") = "6"
    & skf21("3","3","7","6","1","1","5","1") = "6"
    & skf21("3","3","7","6","1","1","6","1") = "6"
    & skf21("3","3","7","6","1","1","7","1") = "6"
    & skf21("3","3","7","6","1","2","1","1") = "6"
    & skf21("3","3","7","6","1","2","2","1") = "6"
    & skf21("3","3","7","6","1","2","3","1") = "6"
    & skf21("3","3","7","6","1","2","4","1") = "6"
    & skf21("3","3","7","6","1","2","5","1") = "6"
    & skf21("3","3","7","6","1","2","6","1") = "6"
    & skf21("3","3","7","6","1","2","7","1") = "6"
    & skf21("3","3","7","6","1","3","1","1") = "6"
    & skf21("3","3","7","6","1","3","2","1") = "6"
    & skf21("3","3","7","6","1","3","3","1") = "6"
    & skf21("3","3","7","6","1","3","4","1") = "6"
    & skf21("3","3","7","6","1","3","5","1") = "6"
    & skf21("3","3","7","6","1","3","6","1") = "6"
    & skf21("3","3","7","6","1","3","7","1") = "6"
    & skf21("3","3","7","6","1","4","1","1") = "6"
    & skf21("3","3","7","6","1","4","2","1") = "6"
    & skf21("3","3","7","6","1","4","3","1") = "6"
    & skf21("3","3","7","6","1","4","4","1") = "6"
    & skf21("3","3","7","6","1","4","5","1") = "6"
    & skf21("3","3","7","6","1","4","6","1") = "6"
    & skf21("3","3","7","6","1","4","7","1") = "6"
    & skf21("3","3","7","6","1","5","1","1") = "6"
    & skf21("3","3","7","6","1","5","2","1") = "6"
    & skf21("3","3","7","6","1","5","3","1") = "6"
    & skf21("3","3","7","6","1","5","4","1") = "6"
    & skf21("3","3","7","6","1","5","5","1") = "6"
    & skf21("3","3","7","6","1","5","6","1") = "6"
    & skf21("3","3","7","6","1","5","7","1") = "6"
    & skf21("3","3","7","6","1","6","1","1") = "6"
    & skf21("3","3","7","6","1","6","2","1") = "6"
    & skf21("3","3","7","6","1","6","3","1") = "6"
    & skf21("3","3","7","6","1","6","4","1") = "6"
    & skf21("3","3","7","6","1","6","5","1") = "6"
    & skf21("3","3","7","6","1","6","6","1") = "6"
    & skf21("3","3","7","6","1","6","7","1") = "6"
    & skf21("3","3","7","6","1","7","1","1") = "6"
    & skf21("3","3","7","6","1","7","2","1") = "6"
    & skf21("3","3","7","6","1","7","3","1") = "6"
    & skf21("3","3","7","6","1","7","4","1") = "6"
    & skf21("3","3","7","6","1","7","5","1") = "6"
    & skf21("3","3","7","6","1","7","6","1") = "6"
    & skf21("3","3","7","6","1","7","7","1") = "6"
    & skf21("3","3","7","6","2","1","1","1") = "6"
    & skf21("3","3","7","6","2","1","2","1") = "6"
    & skf21("3","3","7","6","2","1","3","1") = "6"
    & skf21("3","3","7","6","2","1","4","1") = "6"
    & skf21("3","3","7","6","2","1","5","1") = "6"
    & skf21("3","3","7","6","2","1","6","1") = "6"
    & skf21("3","3","7","6","2","1","7","1") = "6"
    & skf21("3","3","7","6","2","2","1","1") = "6"
    & skf21("3","3","7","6","2","2","2","1") = "6"
    & skf21("3","3","7","6","2","2","3","1") = "6"
    & skf21("3","3","7","6","2","2","4","1") = "6"
    & skf21("3","3","7","6","2","2","5","1") = "6"
    & skf21("3","3","7","6","2","2","6","1") = "6"
    & skf21("3","3","7","6","2","2","7","1") = "6"
    & skf21("3","3","7","6","2","3","1","1") = "6"
    & skf21("3","3","7","6","2","3","2","1") = "6"
    & skf21("3","3","7","6","2","3","3","1") = "6"
    & skf21("3","3","7","6","2","3","4","1") = "6"
    & skf21("3","3","7","6","2","3","5","1") = "6"
    & skf21("3","3","7","6","2","3","6","1") = "6"
    & skf21("3","3","7","6","2","3","7","1") = "6"
    & skf21("3","3","7","6","2","4","1","1") = "6"
    & skf21("3","3","7","6","2","4","2","1") = "6"
    & skf21("3","3","7","6","2","4","3","1") = "6"
    & skf21("3","3","7","6","2","4","4","1") = "6"
    & skf21("3","3","7","6","2","4","5","1") = "6"
    & skf21("3","3","7","6","2","4","6","1") = "6"
    & skf21("3","3","7","6","2","4","7","1") = "6"
    & skf21("3","3","7","6","2","5","1","1") = "6"
    & skf21("3","3","7","6","2","5","2","1") = "6"
    & skf21("3","3","7","6","2","5","3","1") = "6"
    & skf21("3","3","7","6","2","5","4","1") = "6"
    & skf21("3","3","7","6","2","5","5","1") = "6"
    & skf21("3","3","7","6","2","5","6","1") = "6"
    & skf21("3","3","7","6","2","5","7","1") = "6"
    & skf21("3","3","7","6","2","6","1","1") = "6"
    & skf21("3","3","7","6","2","6","2","1") = "6"
    & skf21("3","3","7","6","2","6","3","1") = "6"
    & skf21("3","3","7","6","2","6","4","1") = "6"
    & skf21("3","3","7","6","2","6","5","1") = "6"
    & skf21("3","3","7","6","2","6","6","1") = "6"
    & skf21("3","3","7","6","2","6","7","1") = "6"
    & skf21("3","3","7","6","2","7","1","1") = "6"
    & skf21("3","3","7","6","2","7","2","1") = "6"
    & skf21("3","3","7","6","2","7","3","1") = "6"
    & skf21("3","3","7","6","2","7","4","1") = "6"
    & skf21("3","3","7","6","2","7","5","1") = "6"
    & skf21("3","3","7","6","2","7","6","1") = "6"
    & skf21("3","3","7","6","2","7","7","1") = "6"
    & skf21("3","3","7","6","3","1","1","1") = "6"
    & skf21("3","3","7","6","3","1","2","1") = "6"
    & skf21("3","3","7","6","3","1","3","1") = "6"
    & skf21("3","3","7","6","3","1","4","1") = "6"
    & skf21("3","3","7","6","3","1","5","1") = "6"
    & skf21("3","3","7","6","3","1","6","1") = "6"
    & skf21("3","3","7","6","3","1","7","1") = "6"
    & skf21("3","3","7","6","3","2","1","1") = "6"
    & skf21("3","3","7","6","3","2","2","1") = "6"
    & skf21("3","3","7","6","3","2","3","1") = "6"
    & skf21("3","3","7","6","3","2","4","1") = "6"
    & skf21("3","3","7","6","3","2","5","1") = "6"
    & skf21("3","3","7","6","3","2","6","1") = "6"
    & skf21("3","3","7","6","3","2","7","1") = "6"
    & skf21("3","3","7","6","3","3","1","1") = "6"
    & skf21("3","3","7","6","3","3","2","1") = "6"
    & skf21("3","3","7","6","3","3","3","1") = "6"
    & skf21("3","3","7","6","3","3","4","1") = "6"
    & skf21("3","3","7","6","3","3","5","1") = "6"
    & skf21("3","3","7","6","3","3","6","1") = "6"
    & skf21("3","3","7","6","3","3","7","1") = "6"
    & skf21("3","3","7","6","3","4","1","1") = "6"
    & skf21("3","3","7","6","3","4","2","1") = "6"
    & skf21("3","3","7","6","3","4","3","1") = "6"
    & skf21("3","3","7","6","3","4","4","1") = "6"
    & skf21("3","3","7","6","3","4","5","1") = "6"
    & skf21("3","3","7","6","3","4","6","1") = "6"
    & skf21("3","3","7","6","3","4","7","1") = "6"
    & skf21("3","3","7","6","3","5","1","1") = "6"
    & skf21("3","3","7","6","3","5","2","1") = "6"
    & skf21("3","3","7","6","3","5","3","1") = "6"
    & skf21("3","3","7","6","3","5","4","1") = "6"
    & skf21("3","3","7","6","3","5","5","1") = "6"
    & skf21("3","3","7","6","3","5","6","1") = "6"
    & skf21("3","3","7","6","3","5","7","1") = "6"
    & skf21("3","3","7","6","3","6","1","1") = "6"
    & skf21("3","3","7","6","3","6","2","1") = "6"
    & skf21("3","3","7","6","3","6","3","1") = "6"
    & skf21("3","3","7","6","3","6","4","1") = "6"
    & skf21("3","3","7","6","3","6","5","1") = "6"
    & skf21("3","3","7","6","3","6","6","1") = "6"
    & skf21("3","3","7","6","3","6","7","1") = "6"
    & skf21("3","3","7","6","3","7","1","1") = "6"
    & skf21("3","3","7","6","3","7","2","1") = "6"
    & skf21("3","3","7","6","3","7","3","1") = "6"
    & skf21("3","3","7","6","3","7","4","1") = "6"
    & skf21("3","3","7","6","3","7","5","1") = "6"
    & skf21("3","3","7","6","3","7","6","1") = "6"
    & skf21("3","3","7","6","3","7","7","1") = "6"
    & skf21("3","3","7","6","4","1","1","1") = "6"
    & skf21("3","3","7","6","4","1","2","1") = "6"
    & skf21("3","3","7","6","4","1","3","1") = "6"
    & skf21("3","3","7","6","4","1","4","1") = "6"
    & skf21("3","3","7","6","4","1","5","1") = "6"
    & skf21("3","3","7","6","4","1","6","1") = "6"
    & skf21("3","3","7","6","4","1","7","1") = "6"
    & skf21("3","3","7","6","4","2","1","1") = "6"
    & skf21("3","3","7","6","4","2","2","1") = "6"
    & skf21("3","3","7","6","4","2","3","1") = "6"
    & skf21("3","3","7","6","4","2","4","1") = "6"
    & skf21("3","3","7","6","4","2","5","1") = "6"
    & skf21("3","3","7","6","4","2","6","1") = "6"
    & skf21("3","3","7","6","4","2","7","1") = "6"
    & skf21("3","3","7","6","4","3","1","1") = "6"
    & skf21("3","3","7","6","4","3","2","1") = "6"
    & skf21("3","3","7","6","4","3","3","1") = "6"
    & skf21("3","3","7","6","4","3","4","1") = "6"
    & skf21("3","3","7","6","4","3","5","1") = "6"
    & skf21("3","3","7","6","4","3","6","1") = "6"
    & skf21("3","3","7","6","4","3","7","1") = "6"
    & skf21("3","3","7","6","4","4","1","1") = "6"
    & skf21("3","3","7","6","4","4","2","1") = "6"
    & skf21("3","3","7","6","4","4","3","1") = "6"
    & skf21("3","3","7","6","4","4","4","1") = "6"
    & skf21("3","3","7","6","4","4","5","1") = "6"
    & skf21("3","3","7","6","4","4","6","1") = "6"
    & skf21("3","3","7","6","4","4","7","1") = "6"
    & skf21("3","3","7","6","4","5","1","1") = "6"
    & skf21("3","3","7","6","4","5","2","1") = "6"
    & skf21("3","3","7","6","4","5","3","1") = "6"
    & skf21("3","3","7","6","4","5","4","1") = "6"
    & skf21("3","3","7","6","4","5","5","1") = "6"
    & skf21("3","3","7","6","4","5","6","1") = "6"
    & skf21("3","3","7","6","4","5","7","1") = "6"
    & skf21("3","3","7","6","4","6","1","1") = "6"
    & skf21("3","3","7","6","4","6","2","1") = "6"
    & skf21("3","3","7","6","4","6","3","1") = "6"
    & skf21("3","3","7","6","4","6","4","1") = "6"
    & skf21("3","3","7","6","4","6","5","1") = "6"
    & skf21("3","3","7","6","4","6","6","1") = "6"
    & skf21("3","3","7","6","4","6","7","1") = "6"
    & skf21("3","3","7","6","4","7","1","1") = "6"
    & skf21("3","3","7","6","4","7","2","1") = "6"
    & skf21("3","3","7","6","4","7","3","1") = "6"
    & skf21("3","3","7","6","4","7","4","1") = "6"
    & skf21("3","3","7","6","4","7","5","1") = "6"
    & skf21("3","3","7","6","4","7","6","1") = "6"
    & skf21("3","3","7","6","4","7","7","1") = "6"
    & skf21("3","3","7","6","5","1","1","1") = "6"
    & skf21("3","3","7","6","5","1","2","1") = "6"
    & skf21("3","3","7","6","5","1","3","1") = "6"
    & skf21("3","3","7","6","5","1","4","1") = "6"
    & skf21("3","3","7","6","5","1","5","1") = "6"
    & skf21("3","3","7","6","5","1","6","1") = "6"
    & skf21("3","3","7","6","5","1","7","1") = "6"
    & skf21("3","3","7","6","5","2","1","1") = "6"
    & skf21("3","3","7","6","5","2","2","1") = "6"
    & skf21("3","3","7","6","5","2","3","1") = "6"
    & skf21("3","3","7","6","5","2","4","1") = "6"
    & skf21("3","3","7","6","5","2","5","1") = "6"
    & skf21("3","3","7","6","5","2","6","1") = "6"
    & skf21("3","3","7","6","5","2","7","1") = "6"
    & skf21("3","3","7","6","5","3","1","1") = "6"
    & skf21("3","3","7","6","5","3","2","1") = "6"
    & skf21("3","3","7","6","5","3","3","1") = "6"
    & skf21("3","3","7","6","5","3","4","1") = "6"
    & skf21("3","3","7","6","5","3","5","1") = "6"
    & skf21("3","3","7","6","5","3","6","1") = "6"
    & skf21("3","3","7","6","5","3","7","1") = "6"
    & skf21("3","3","7","6","5","4","1","1") = "6"
    & skf21("3","3","7","6","5","4","2","1") = "6"
    & skf21("3","3","7","6","5","4","3","1") = "6"
    & skf21("3","3","7","6","5","4","4","1") = "6"
    & skf21("3","3","7","6","5","4","5","1") = "6"
    & skf21("3","3","7","6","5","4","6","1") = "6"
    & skf21("3","3","7","6","5","4","7","1") = "6"
    & skf21("3","3","7","6","5","5","1","1") = "6"
    & skf21("3","3","7","6","5","5","2","1") = "6"
    & skf21("3","3","7","6","5","5","3","1") = "6"
    & skf21("3","3","7","6","5","5","4","1") = "6"
    & skf21("3","3","7","6","5","5","5","1") = "6"
    & skf21("3","3","7","6","5","5","6","1") = "6"
    & skf21("3","3","7","6","5","5","7","1") = "6"
    & skf21("3","3","7","6","5","6","1","1") = "6"
    & skf21("3","3","7","6","5","6","2","1") = "6"
    & skf21("3","3","7","6","5","6","3","1") = "6"
    & skf21("3","3","7","6","5","6","4","1") = "6"
    & skf21("3","3","7","6","5","6","5","1") = "6"
    & skf21("3","3","7","6","5","6","6","1") = "6"
    & skf21("3","3","7","6","5","6","7","1") = "6"
    & skf21("3","3","7","6","5","7","1","1") = "6"
    & skf21("3","3","7","6","5","7","2","1") = "6"
    & skf21("3","3","7","6","5","7","3","1") = "6"
    & skf21("3","3","7","6","5","7","4","1") = "6"
    & skf21("3","3","7","6","5","7","5","1") = "6"
    & skf21("3","3","7","6","5","7","6","1") = "6"
    & skf21("3","3","7","6","5","7","7","1") = "6"
    & skf21("3","3","7","6","6","1","1","1") = "6"
    & skf21("3","3","7","6","6","1","2","1") = "6"
    & skf21("3","3","7","6","6","1","3","1") = "6"
    & skf21("3","3","7","6","6","1","4","1") = "6"
    & skf21("3","3","7","6","6","1","5","1") = "6"
    & skf21("3","3","7","6","6","1","6","1") = "6"
    & skf21("3","3","7","6","6","1","7","1") = "6"
    & skf21("3","3","7","6","6","2","1","1") = "6"
    & skf21("3","3","7","6","6","2","2","1") = "6"
    & skf21("3","3","7","6","6","2","3","1") = "6"
    & skf21("3","3","7","6","6","2","4","1") = "6"
    & skf21("3","3","7","6","6","2","5","1") = "6"
    & skf21("3","3","7","6","6","2","6","1") = "6"
    & skf21("3","3","7","6","6","2","7","1") = "6"
    & skf21("3","3","7","6","6","3","1","1") = "6"
    & skf21("3","3","7","6","6","3","2","1") = "6"
    & skf21("3","3","7","6","6","3","3","1") = "6"
    & skf21("3","3","7","6","6","3","4","1") = "6"
    & skf21("3","3","7","6","6","3","5","1") = "6"
    & skf21("3","3","7","6","6","3","6","1") = "6"
    & skf21("3","3","7","6","6","3","7","1") = "6"
    & skf21("3","3","7","6","6","4","1","1") = "6"
    & skf21("3","3","7","6","6","4","2","1") = "6"
    & skf21("3","3","7","6","6","4","3","1") = "6"
    & skf21("3","3","7","6","6","4","4","1") = "6"
    & skf21("3","3","7","6","6","4","5","1") = "6"
    & skf21("3","3","7","6","6","4","6","1") = "6"
    & skf21("3","3","7","6","6","4","7","1") = "6"
    & skf21("3","3","7","6","6","5","1","1") = "6"
    & skf21("3","3","7","6","6","5","2","1") = "6"
    & skf21("3","3","7","6","6","5","3","1") = "6"
    & skf21("3","3","7","6","6","5","4","1") = "6"
    & skf21("3","3","7","6","6","5","5","1") = "6"
    & skf21("3","3","7","6","6","5","6","1") = "6"
    & skf21("3","3","7","6","6","5","7","1") = "6"
    & skf21("3","3","7","6","6","6","1","1") = "6"
    & skf21("3","3","7","6","6","6","2","1") = "6"
    & skf21("3","3","7","6","6","6","3","1") = "6"
    & skf21("3","3","7","6","6","6","4","1") = "6"
    & skf21("3","3","7","6","6","6","5","1") = "6"
    & skf21("3","3","7","6","6","6","6","1") = "6"
    & skf21("3","3","7","6","6","6","7","1") = "6"
    & skf21("3","3","7","6","6","7","1","1") = "6"
    & skf21("3","3","7","6","6","7","2","1") = "6"
    & skf21("3","3","7","6","6","7","3","1") = "6"
    & skf21("3","3","7","6","6","7","4","1") = "6"
    & skf21("3","3","7","6","6","7","5","1") = "6"
    & skf21("3","3","7","6","6","7","6","1") = "6"
    & skf21("3","3","7","6","6","7","7","1") = "6"
    & skf21("3","3","7","6","7","1","1","1") = "6"
    & skf21("3","3","7","6","7","1","2","1") = "6"
    & skf21("3","3","7","6","7","1","3","1") = "6"
    & skf21("3","3","7","6","7","1","4","1") = "6"
    & skf21("3","3","7","6","7","1","5","1") = "6"
    & skf21("3","3","7","6","7","1","6","1") = "6"
    & skf21("3","3","7","6","7","1","7","1") = "6"
    & skf21("3","3","7","6","7","2","1","1") = "6"
    & skf21("3","3","7","6","7","2","2","1") = "6"
    & skf21("3","3","7","6","7","2","3","1") = "6"
    & skf21("3","3","7","6","7","2","4","1") = "6"
    & skf21("3","3","7","6","7","2","5","1") = "6"
    & skf21("3","3","7","6","7","2","6","1") = "6"
    & skf21("3","3","7","6","7","2","7","1") = "6"
    & skf21("3","3","7","6","7","3","1","1") = "6"
    & skf21("3","3","7","6","7","3","2","1") = "6"
    & skf21("3","3","7","6","7","3","3","1") = "6"
    & skf21("3","3","7","6","7","3","4","1") = "6"
    & skf21("3","3","7","6","7","3","5","1") = "6"
    & skf21("3","3","7","6","7","3","6","1") = "6"
    & skf21("3","3","7","6","7","3","7","1") = "6"
    & skf21("3","3","7","6","7","4","1","1") = "6"
    & skf21("3","3","7","6","7","4","2","1") = "6"
    & skf21("3","3","7","6","7","4","3","1") = "6"
    & skf21("3","3","7","6","7","4","4","1") = "6"
    & skf21("3","3","7","6","7","4","5","1") = "6"
    & skf21("3","3","7","6","7","4","6","1") = "6"
    & skf21("3","3","7","6","7","4","7","1") = "6"
    & skf21("3","3","7","6","7","5","1","1") = "6"
    & skf21("3","3","7","6","7","5","2","1") = "6"
    & skf21("3","3","7","6","7","5","3","1") = "6"
    & skf21("3","3","7","6","7","5","4","1") = "6"
    & skf21("3","3","7","6","7","5","5","1") = "6"
    & skf21("3","3","7","6","7","5","6","1") = "6"
    & skf21("3","3","7","6","7","5","7","1") = "6"
    & skf21("3","3","7","6","7","6","1","1") = "6"
    & skf21("3","3","7","6","7","6","2","1") = "6"
    & skf21("3","3","7","6","7","6","3","1") = "6"
    & skf21("3","3","7","6","7","6","4","1") = "6"
    & skf21("3","3","7","6","7","6","5","1") = "6"
    & skf21("3","3","7","6","7","6","6","1") = "6"
    & skf21("3","3","7","6","7","6","7","1") = "6"
    & skf21("3","3","7","6","7","7","1","1") = "6"
    & skf21("3","3","7","6","7","7","2","1") = "6"
    & skf21("3","3","7","6","7","7","3","1") = "6"
    & skf21("3","3","7","6","7","7","4","1") = "6"
    & skf21("3","3","7","6","7","7","5","1") = "6"
    & skf21("3","3","7","6","7","7","6","1") = "6"
    & skf21("3","3","7","6","7","7","7","1") = "6"
    & skf21("3","3","7","7","1","1","1","1") = "6"
    & skf21("3","3","7","7","1","1","2","1") = "6"
    & skf21("3","3","7","7","1","1","3","1") = "6"
    & skf21("3","3","7","7","1","1","4","1") = "6"
    & skf21("3","3","7","7","1","1","5","1") = "6"
    & skf21("3","3","7","7","1","1","6","1") = "6"
    & skf21("3","3","7","7","1","1","7","1") = "6"
    & skf21("3","3","7","7","1","2","1","1") = "6"
    & skf21("3","3","7","7","1","2","2","1") = "6"
    & skf21("3","3","7","7","1","2","3","1") = "6"
    & skf21("3","3","7","7","1","2","4","1") = "6"
    & skf21("3","3","7","7","1","2","5","1") = "6"
    & skf21("3","3","7","7","1","2","6","1") = "6"
    & skf21("3","3","7","7","1","2","7","1") = "6"
    & skf21("3","3","7","7","1","3","1","1") = "6"
    & skf21("3","3","7","7","1","3","2","1") = "6"
    & skf21("3","3","7","7","1","3","3","1") = "6"
    & skf21("3","3","7","7","1","3","4","1") = "6"
    & skf21("3","3","7","7","1","3","5","1") = "6"
    & skf21("3","3","7","7","1","3","6","1") = "6"
    & skf21("3","3","7","7","1","3","7","1") = "6"
    & skf21("3","3","7","7","1","4","1","1") = "6"
    & skf21("3","3","7","7","1","4","2","1") = "6"
    & skf21("3","3","7","7","1","4","3","1") = "6"
    & skf21("3","3","7","7","1","4","4","1") = "6"
    & skf21("3","3","7","7","1","4","5","1") = "6"
    & skf21("3","3","7","7","1","4","6","1") = "6"
    & skf21("3","3","7","7","1","4","7","1") = "6"
    & skf21("3","3","7","7","1","5","1","1") = "6"
    & skf21("3","3","7","7","1","5","2","1") = "6"
    & skf21("3","3","7","7","1","5","3","1") = "6"
    & skf21("3","3","7","7","1","5","4","1") = "6"
    & skf21("3","3","7","7","1","5","5","1") = "6"
    & skf21("3","3","7","7","1","5","6","1") = "6"
    & skf21("3","3","7","7","1","5","7","1") = "6"
    & skf21("3","3","7","7","1","6","1","1") = "6"
    & skf21("3","3","7","7","1","6","2","1") = "6"
    & skf21("3","3","7","7","1","6","3","1") = "6"
    & skf21("3","3","7","7","1","6","4","1") = "6"
    & skf21("3","3","7","7","1","6","5","1") = "6"
    & skf21("3","3","7","7","1","6","6","1") = "6"
    & skf21("3","3","7","7","1","6","7","1") = "6"
    & skf21("3","3","7","7","1","7","1","1") = "6"
    & skf21("3","3","7","7","1","7","2","1") = "6"
    & skf21("3","3","7","7","1","7","3","1") = "6"
    & skf21("3","3","7","7","1","7","4","1") = "6"
    & skf21("3","3","7","7","1","7","5","1") = "6"
    & skf21("3","3","7","7","1","7","6","1") = "6"
    & skf21("3","3","7","7","1","7","7","1") = "6"
    & skf21("3","3","7","7","2","1","1","1") = "6"
    & skf21("3","3","7","7","2","1","2","1") = "6"
    & skf21("3","3","7","7","2","1","3","1") = "6"
    & skf21("3","3","7","7","2","1","4","1") = "6"
    & skf21("3","3","7","7","2","1","5","1") = "6"
    & skf21("3","3","7","7","2","1","6","1") = "6"
    & skf21("3","3","7","7","2","1","7","1") = "6"
    & skf21("3","3","7","7","2","2","1","1") = "6"
    & skf21("3","3","7","7","2","2","2","1") = "6"
    & skf21("3","3","7","7","2","2","3","1") = "6"
    & skf21("3","3","7","7","2","2","4","1") = "6"
    & skf21("3","3","7","7","2","2","5","1") = "6"
    & skf21("3","3","7","7","2","2","6","1") = "6"
    & skf21("3","3","7","7","2","2","7","1") = "6"
    & skf21("3","3","7","7","2","3","1","1") = "6"
    & skf21("3","3","7","7","2","3","2","1") = "6"
    & skf21("3","3","7","7","2","3","3","1") = "6"
    & skf21("3","3","7","7","2","3","4","1") = "6"
    & skf21("3","3","7","7","2","3","5","1") = "6"
    & skf21("3","3","7","7","2","3","6","1") = "6"
    & skf21("3","3","7","7","2","3","7","1") = "6"
    & skf21("3","3","7","7","2","4","1","1") = "6"
    & skf21("3","3","7","7","2","4","2","1") = "6"
    & skf21("3","3","7","7","2","4","3","1") = "6"
    & skf21("3","3","7","7","2","4","4","1") = "6"
    & skf21("3","3","7","7","2","4","5","1") = "6"
    & skf21("3","3","7","7","2","4","6","1") = "6"
    & skf21("3","3","7","7","2","4","7","1") = "6"
    & skf21("3","3","7","7","2","5","1","1") = "6"
    & skf21("3","3","7","7","2","5","2","1") = "6"
    & skf21("3","3","7","7","2","5","3","1") = "6"
    & skf21("3","3","7","7","2","5","4","1") = "6"
    & skf21("3","3","7","7","2","5","5","1") = "6"
    & skf21("3","3","7","7","2","5","6","1") = "6"
    & skf21("3","3","7","7","2","5","7","1") = "6"
    & skf21("3","3","7","7","2","6","1","1") = "6"
    & skf21("3","3","7","7","2","6","2","1") = "6"
    & skf21("3","3","7","7","2","6","3","1") = "6"
    & skf21("3","3","7","7","2","6","4","1") = "6"
    & skf21("3","3","7","7","2","6","5","1") = "6"
    & skf21("3","3","7","7","2","6","6","1") = "6"
    & skf21("3","3","7","7","2","6","7","1") = "6"
    & skf21("3","3","7","7","2","7","1","1") = "6"
    & skf21("3","3","7","7","2","7","2","1") = "6"
    & skf21("3","3","7","7","2","7","3","1") = "6"
    & skf21("3","3","7","7","2","7","4","1") = "6"
    & skf21("3","3","7","7","2","7","5","1") = "6"
    & skf21("3","3","7","7","2","7","6","1") = "6"
    & skf21("3","3","7","7","2","7","7","1") = "6"
    & skf21("3","3","7","7","3","1","1","1") = "6"
    & skf21("3","3","7","7","3","1","2","1") = "6"
    & skf21("3","3","7","7","3","1","3","1") = "6"
    & skf21("3","3","7","7","3","1","4","1") = "6"
    & skf21("3","3","7","7","3","1","5","1") = "6"
    & skf21("3","3","7","7","3","1","6","1") = "6"
    & skf21("3","3","7","7","3","1","7","1") = "6"
    & skf21("3","3","7","7","3","2","1","1") = "6"
    & skf21("3","3","7","7","3","2","2","1") = "6"
    & skf21("3","3","7","7","3","2","3","1") = "6"
    & skf21("3","3","7","7","3","2","4","1") = "6"
    & skf21("3","3","7","7","3","2","5","1") = "6"
    & skf21("3","3","7","7","3","2","6","1") = "6"
    & skf21("3","3","7","7","3","2","7","1") = "6"
    & skf21("3","3","7","7","3","3","1","1") = "6"
    & skf21("3","3","7","7","3","3","2","1") = "6"
    & skf21("3","3","7","7","3","3","3","1") = "6"
    & skf21("3","3","7","7","3","3","4","1") = "6"
    & skf21("3","3","7","7","3","3","5","1") = "6"
    & skf21("3","3","7","7","3","3","6","1") = "6"
    & skf21("3","3","7","7","3","3","7","1") = "6"
    & skf21("3","3","7","7","3","4","1","1") = "6"
    & skf21("3","3","7","7","3","4","2","1") = "6"
    & skf21("3","3","7","7","3","4","3","1") = "6"
    & skf21("3","3","7","7","3","4","4","1") = "6"
    & skf21("3","3","7","7","3","4","5","1") = "6"
    & skf21("3","3","7","7","3","4","6","1") = "6"
    & skf21("3","3","7","7","3","4","7","1") = "6"
    & skf21("3","3","7","7","3","5","1","1") = "6"
    & skf21("3","3","7","7","3","5","2","1") = "6"
    & skf21("3","3","7","7","3","5","3","1") = "6"
    & skf21("3","3","7","7","3","5","4","1") = "6"
    & skf21("3","3","7","7","3","5","5","1") = "6"
    & skf21("3","3","7","7","3","5","6","1") = "6"
    & skf21("3","3","7","7","3","5","7","1") = "6"
    & skf21("3","3","7","7","3","6","1","1") = "6"
    & skf21("3","3","7","7","3","6","2","1") = "6"
    & skf21("3","3","7","7","3","6","3","1") = "6"
    & skf21("3","3","7","7","3","6","4","1") = "6"
    & skf21("3","3","7","7","3","6","5","1") = "6"
    & skf21("3","3","7","7","3","6","6","1") = "6"
    & skf21("3","3","7","7","3","6","7","1") = "6"
    & skf21("3","3","7","7","3","7","1","1") = "6"
    & skf21("3","3","7","7","3","7","2","1") = "6"
    & skf21("3","3","7","7","3","7","3","1") = "6"
    & skf21("3","3","7","7","3","7","4","1") = "6"
    & skf21("3","3","7","7","3","7","5","1") = "6"
    & skf21("3","3","7","7","3","7","6","1") = "6"
    & skf21("3","3","7","7","3","7","7","1") = "6"
    & skf21("3","3","7","7","4","1","1","1") = "6"
    & skf21("3","3","7","7","4","1","2","1") = "6"
    & skf21("3","3","7","7","4","1","3","1") = "6"
    & skf21("3","3","7","7","4","1","4","1") = "6"
    & skf21("3","3","7","7","4","1","5","1") = "6"
    & skf21("3","3","7","7","4","1","6","1") = "6"
    & skf21("3","3","7","7","4","1","7","1") = "6"
    & skf21("3","3","7","7","4","2","1","1") = "6"
    & skf21("3","3","7","7","4","2","2","1") = "6"
    & skf21("3","3","7","7","4","2","3","1") = "6"
    & skf21("3","3","7","7","4","2","4","1") = "6"
    & skf21("3","3","7","7","4","2","5","1") = "6"
    & skf21("3","3","7","7","4","2","6","1") = "6"
    & skf21("3","3","7","7","4","2","7","1") = "6"
    & skf21("3","3","7","7","4","3","1","1") = "6"
    & skf21("3","3","7","7","4","3","2","1") = "6"
    & skf21("3","3","7","7","4","3","3","1") = "6"
    & skf21("3","3","7","7","4","3","4","1") = "6"
    & skf21("3","3","7","7","4","3","5","1") = "6"
    & skf21("3","3","7","7","4","3","6","1") = "6"
    & skf21("3","3","7","7","4","3","7","1") = "6"
    & skf21("3","3","7","7","4","4","1","1") = "6"
    & skf21("3","3","7","7","4","4","2","1") = "6"
    & skf21("3","3","7","7","4","4","3","1") = "6"
    & skf21("3","3","7","7","4","4","4","1") = "6"
    & skf21("3","3","7","7","4","4","5","1") = "6"
    & skf21("3","3","7","7","4","4","6","1") = "6"
    & skf21("3","3","7","7","4","4","7","1") = "6"
    & skf21("3","3","7","7","4","5","1","1") = "6"
    & skf21("3","3","7","7","4","5","2","1") = "6"
    & skf21("3","3","7","7","4","5","3","1") = "6"
    & skf21("3","3","7","7","4","5","4","1") = "6"
    & skf21("3","3","7","7","4","5","5","1") = "6"
    & skf21("3","3","7","7","4","5","6","1") = "6"
    & skf21("3","3","7","7","4","5","7","1") = "6"
    & skf21("3","3","7","7","4","6","1","1") = "6"
    & skf21("3","3","7","7","4","6","2","1") = "6"
    & skf21("3","3","7","7","4","6","3","1") = "6"
    & skf21("3","3","7","7","4","6","4","1") = "6"
    & skf21("3","3","7","7","4","6","5","1") = "6"
    & skf21("3","3","7","7","4","6","6","1") = "6"
    & skf21("3","3","7","7","4","6","7","1") = "6"
    & skf21("3","3","7","7","4","7","1","1") = "6"
    & skf21("3","3","7","7","4","7","2","1") = "6"
    & skf21("3","3","7","7","4","7","3","1") = "6"
    & skf21("3","3","7","7","4","7","4","1") = "6"
    & skf21("3","3","7","7","4","7","5","1") = "6"
    & skf21("3","3","7","7","4","7","6","1") = "6"
    & skf21("3","3","7","7","4","7","7","1") = "6"
    & skf21("3","3","7","7","5","1","1","1") = "6"
    & skf21("3","3","7","7","5","1","2","1") = "6"
    & skf21("3","3","7","7","5","1","3","1") = "6"
    & skf21("3","3","7","7","5","1","4","1") = "6"
    & skf21("3","3","7","7","5","1","5","1") = "6"
    & skf21("3","3","7","7","5","1","6","1") = "6"
    & skf21("3","3","7","7","5","1","7","1") = "6"
    & skf21("3","3","7","7","5","2","1","1") = "6"
    & skf21("3","3","7","7","5","2","2","1") = "6"
    & skf21("3","3","7","7","5","2","3","1") = "6"
    & skf21("3","3","7","7","5","2","4","1") = "6"
    & skf21("3","3","7","7","5","2","5","1") = "6"
    & skf21("3","3","7","7","5","2","6","1") = "6"
    & skf21("3","3","7","7","5","2","7","1") = "6"
    & skf21("3","3","7","7","5","3","1","1") = "6"
    & skf21("3","3","7","7","5","3","2","1") = "6"
    & skf21("3","3","7","7","5","3","3","1") = "6"
    & skf21("3","3","7","7","5","3","4","1") = "6"
    & skf21("3","3","7","7","5","3","5","1") = "6"
    & skf21("3","3","7","7","5","3","6","1") = "6"
    & skf21("3","3","7","7","5","3","7","1") = "6"
    & skf21("3","3","7","7","5","4","1","1") = "6"
    & skf21("3","3","7","7","5","4","2","1") = "6"
    & skf21("3","3","7","7","5","4","3","1") = "6"
    & skf21("3","3","7","7","5","4","4","1") = "6"
    & skf21("3","3","7","7","5","4","5","1") = "6"
    & skf21("3","3","7","7","5","4","6","1") = "6"
    & skf21("3","3","7","7","5","4","7","1") = "6"
    & skf21("3","3","7","7","5","5","1","1") = "6"
    & skf21("3","3","7","7","5","5","2","1") = "6"
    & skf21("3","3","7","7","5","5","3","1") = "6"
    & skf21("3","3","7","7","5","5","4","1") = "6"
    & skf21("3","3","7","7","5","5","5","1") = "6"
    & skf21("3","3","7","7","5","5","6","1") = "6"
    & skf21("3","3","7","7","5","5","7","1") = "6"
    & skf21("3","3","7","7","5","6","1","1") = "6"
    & skf21("3","3","7","7","5","6","2","1") = "6"
    & skf21("3","3","7","7","5","6","3","1") = "6"
    & skf21("3","3","7","7","5","6","4","1") = "6"
    & skf21("3","3","7","7","5","6","5","1") = "6"
    & skf21("3","3","7","7","5","6","6","1") = "6"
    & skf21("3","3","7","7","5","6","7","1") = "6"
    & skf21("3","3","7","7","5","7","1","1") = "6"
    & skf21("3","3","7","7","5","7","2","1") = "6"
    & skf21("3","3","7","7","5","7","3","1") = "6"
    & skf21("3","3","7","7","5","7","4","1") = "6"
    & skf21("3","3","7","7","5","7","5","1") = "6"
    & skf21("3","3","7","7","5","7","6","1") = "6"
    & skf21("3","3","7","7","5","7","7","1") = "6"
    & skf21("3","3","7","7","6","1","1","1") = "6"
    & skf21("3","3","7","7","6","1","2","1") = "6"
    & skf21("3","3","7","7","6","1","3","1") = "6"
    & skf21("3","3","7","7","6","1","4","1") = "6"
    & skf21("3","3","7","7","6","1","5","1") = "6"
    & skf21("3","3","7","7","6","1","6","1") = "6"
    & skf21("3","3","7","7","6","1","7","1") = "6"
    & skf21("3","3","7","7","6","2","1","1") = "6"
    & skf21("3","3","7","7","6","2","2","1") = "6"
    & skf21("3","3","7","7","6","2","3","1") = "6"
    & skf21("3","3","7","7","6","2","4","1") = "6"
    & skf21("3","3","7","7","6","2","5","1") = "6"
    & skf21("3","3","7","7","6","2","6","1") = "6"
    & skf21("3","3","7","7","6","2","7","1") = "6"
    & skf21("3","3","7","7","6","3","1","1") = "6"
    & skf21("3","3","7","7","6","3","2","1") = "6"
    & skf21("3","3","7","7","6","3","3","1") = "6"
    & skf21("3","3","7","7","6","3","4","1") = "6"
    & skf21("3","3","7","7","6","3","5","1") = "6"
    & skf21("3","3","7","7","6","3","6","1") = "6"
    & skf21("3","3","7","7","6","3","7","1") = "6"
    & skf21("3","3","7","7","6","4","1","1") = "6"
    & skf21("3","3","7","7","6","4","2","1") = "6"
    & skf21("3","3","7","7","6","4","3","1") = "6"
    & skf21("3","3","7","7","6","4","4","1") = "6"
    & skf21("3","3","7","7","6","4","5","1") = "6"
    & skf21("3","3","7","7","6","4","6","1") = "6"
    & skf21("3","3","7","7","6","4","7","1") = "6"
    & skf21("3","3","7","7","6","5","1","1") = "6"
    & skf21("3","3","7","7","6","5","2","1") = "6"
    & skf21("3","3","7","7","6","5","3","1") = "6"
    & skf21("3","3","7","7","6","5","4","1") = "6"
    & skf21("3","3","7","7","6","5","5","1") = "6"
    & skf21("3","3","7","7","6","5","6","1") = "6"
    & skf21("3","3","7","7","6","5","7","1") = "6"
    & skf21("3","3","7","7","6","6","1","1") = "6"
    & skf21("3","3","7","7","6","6","2","1") = "6"
    & skf21("3","3","7","7","6","6","3","1") = "6"
    & skf21("3","3","7","7","6","6","4","1") = "6"
    & skf21("3","3","7","7","6","6","5","1") = "6"
    & skf21("3","3","7","7","6","6","6","1") = "6"
    & skf21("3","3","7","7","6","6","7","1") = "6"
    & skf21("3","3","7","7","6","7","1","1") = "6"
    & skf21("3","3","7","7","6","7","2","1") = "6"
    & skf21("3","3","7","7","6","7","3","1") = "6"
    & skf21("3","3","7","7","6","7","4","1") = "6"
    & skf21("3","3","7","7","6","7","5","1") = "6"
    & skf21("3","3","7","7","6","7","6","1") = "6"
    & skf21("3","3","7","7","6","7","7","1") = "6"
    & skf21("3","3","7","7","7","1","1","1") = "6"
    & skf21("3","3","7","7","7","1","2","1") = "6"
    & skf21("3","3","7","7","7","1","3","1") = "6"
    & skf21("3","3","7","7","7","1","4","1") = "6"
    & skf21("3","3","7","7","7","1","5","1") = "6"
    & skf21("3","3","7","7","7","1","6","1") = "6"
    & skf21("3","3","7","7","7","1","7","1") = "6"
    & skf21("3","3","7","7","7","2","1","1") = "6"
    & skf21("3","3","7","7","7","2","2","1") = "6"
    & skf21("3","3","7","7","7","2","3","1") = "6"
    & skf21("3","3","7","7","7","2","4","1") = "6"
    & skf21("3","3","7","7","7","2","5","1") = "6"
    & skf21("3","3","7","7","7","2","6","1") = "6"
    & skf21("3","3","7","7","7","2","7","1") = "6"
    & skf21("3","3","7","7","7","3","1","1") = "6"
    & skf21("3","3","7","7","7","3","2","1") = "6"
    & skf21("3","3","7","7","7","3","3","1") = "6"
    & skf21("3","3","7","7","7","3","4","1") = "6"
    & skf21("3","3","7","7","7","3","5","1") = "6"
    & skf21("3","3","7","7","7","3","6","1") = "6"
    & skf21("3","3","7","7","7","3","7","1") = "6"
    & skf21("3","3","7","7","7","4","1","1") = "6"
    & skf21("3","3","7","7","7","4","2","1") = "6"
    & skf21("3","3","7","7","7","4","3","1") = "6"
    & skf21("3","3","7","7","7","4","4","1") = "6"
    & skf21("3","3","7","7","7","4","5","1") = "6"
    & skf21("3","3","7","7","7","4","6","1") = "6"
    & skf21("3","3","7","7","7","4","7","1") = "6"
    & skf21("3","3","7","7","7","5","1","1") = "6"
    & skf21("3","3","7","7","7","5","2","1") = "6"
    & skf21("3","3","7","7","7","5","3","1") = "6"
    & skf21("3","3","7","7","7","5","4","1") = "6"
    & skf21("3","3","7","7","7","5","5","1") = "6"
    & skf21("3","3","7","7","7","5","6","1") = "6"
    & skf21("3","3","7","7","7","5","7","1") = "6"
    & skf21("3","3","7","7","7","6","1","1") = "6"
    & skf21("3","3","7","7","7","6","2","1") = "6"
    & skf21("3","3","7","7","7","6","3","1") = "6"
    & skf21("3","3","7","7","7","6","4","1") = "6"
    & skf21("3","3","7","7","7","6","5","1") = "6"
    & skf21("3","3","7","7","7","6","6","1") = "6"
    & skf21("3","3","7","7","7","6","7","1") = "6"
    & skf21("3","3","7","7","7","7","1","1") = "6"
    & skf21("3","3","7","7","7","7","2","1") = "6"
    & skf21("3","3","7","7","7","7","3","1") = "6"
    & skf21("3","3","7","7","7","7","4","1") = "6"
    & skf21("3","3","7","7","7","7","5","1") = "6"
    & skf21("3","3","7","7","7","7","6","1") = "6"
    & skf21("3","3","7","7","7","7","7","1") = "6"
    & skf21("3","4","1","1","1","1","1","1") = "3"
    & skf21("3","4","1","1","1","1","2","1") = "3"
    & skf21("3","4","1","1","1","1","3","1") = "3"
    & skf21("3","4","1","1","1","1","4","1") = "3"
    & skf21("3","4","1","1","1","1","5","1") = "4"
    & skf21("3","4","1","1","1","1","6","1") = "5"
    & skf21("3","4","1","1","1","1","7","1") = "6"
    & skf21("3","4","1","1","1","2","1","1") = "3"
    & skf21("3","4","1","1","1","2","2","1") = "3"
    & skf21("3","4","1","1","1","2","3","1") = "3"
    & skf21("3","4","1","1","1","2","4","1") = "3"
    & skf21("3","4","1","1","1","2","5","1") = "4"
    & skf21("3","4","1","1","1","2","6","1") = "5"
    & skf21("3","4","1","1","1","2","7","1") = "6"
    & skf21("3","4","1","1","1","3","1","1") = "3"
    & skf21("3","4","1","1","1","3","2","1") = "3"
    & skf21("3","4","1","1","1","3","3","1") = "3"
    & skf21("3","4","1","1","1","3","4","1") = "3"
    & skf21("3","4","1","1","1","3","5","1") = "4"
    & skf21("3","4","1","1","1","3","6","1") = "5"
    & skf21("3","4","1","1","1","3","7","1") = "6"
    & skf21("3","4","1","1","1","4","1","1") = "3"
    & skf21("3","4","1","1","1","4","2","1") = "3"
    & skf21("3","4","1","1","1","4","3","1") = "3"
    & skf21("3","4","1","1","1","4","4","1") = "3"
    & skf21("3","4","1","1","1","4","5","1") = "4"
    & skf21("3","4","1","1","1","4","6","1") = "5"
    & skf21("3","4","1","1","1","4","7","1") = "6"
    & skf21("3","4","1","1","1","5","1","1") = "4"
    & skf21("3","4","1","1","1","5","2","1") = "4"
    & skf21("3","4","1","1","1","5","3","1") = "4"
    & skf21("3","4","1","1","1","5","4","1") = "4"
    & skf21("3","4","1","1","1","5","5","1") = "4"
    & skf21("3","4","1","1","1","5","6","1") = "5"
    & skf21("3","4","1","1","1","5","7","1") = "6"
    & skf21("3","4","1","1","1","6","1","1") = "5"
    & skf21("3","4","1","1","1","6","2","1") = "5"
    & skf21("3","4","1","1","1","6","3","1") = "5"
    & skf21("3","4","1","1","1","6","4","1") = "5"
    & skf21("3","4","1","1","1","6","5","1") = "5"
    & skf21("3","4","1","1","1","6","6","1") = "5"
    & skf21("3","4","1","1","1","6","7","1") = "6"
    & skf21("3","4","1","1","1","7","1","1") = "6"
    & skf21("3","4","1","1","1","7","2","1") = "6"
    & skf21("3","4","1","1","1","7","3","1") = "6"
    & skf21("3","4","1","1","1","7","4","1") = "6"
    & skf21("3","4","1","1","1","7","5","1") = "6"
    & skf21("3","4","1","1","1","7","6","1") = "6"
    & skf21("3","4","1","1","1","7","7","1") = "6"
    & skf21("3","4","1","1","2","1","1","1") = "3"
    & skf21("3","4","1","1","2","1","2","1") = "3"
    & skf21("3","4","1","1","2","1","3","1") = "3"
    & skf21("3","4","1","1","2","1","4","1") = "3"
    & skf21("3","4","1","1","2","1","5","1") = "4"
    & skf21("3","4","1","1","2","1","6","1") = "5"
    & skf21("3","4","1","1","2","1","7","1") = "6"
    & skf21("3","4","1","1","2","2","1","1") = "3"
    & skf21("3","4","1","1","2","2","2","1") = "3"
    & skf21("3","4","1","1","2","2","3","1") = "3"
    & skf21("3","4","1","1","2","2","4","1") = "3"
    & skf21("3","4","1","1","2","2","5","1") = "4"
    & skf21("3","4","1","1","2","2","6","1") = "5"
    & skf21("3","4","1","1","2","2","7","1") = "6"
    & skf21("3","4","1","1","2","3","1","1") = "3"
    & skf21("3","4","1","1","2","3","2","1") = "3"
    & skf21("3","4","1","1","2","3","3","1") = "3"
    & skf21("3","4","1","1","2","3","4","1") = "3"
    & skf21("3","4","1","1","2","3","5","1") = "4"
    & skf21("3","4","1","1","2","3","6","1") = "5"
    & skf21("3","4","1","1","2","3","7","1") = "6"
    & skf21("3","4","1","1","2","4","1","1") = "3"
    & skf21("3","4","1","1","2","4","2","1") = "3"
    & skf21("3","4","1","1","2","4","3","1") = "3"
    & skf21("3","4","1","1","2","4","4","1") = "3"
    & skf21("3","4","1","1","2","4","5","1") = "4"
    & skf21("3","4","1","1","2","4","6","1") = "5"
    & skf21("3","4","1","1","2","4","7","1") = "6"
    & skf21("3","4","1","1","2","5","1","1") = "4"
    & skf21("3","4","1","1","2","5","2","1") = "4"
    & skf21("3","4","1","1","2","5","3","1") = "4"
    & skf21("3","4","1","1","2","5","4","1") = "4"
    & skf21("3","4","1","1","2","5","5","1") = "4"
    & skf21("3","4","1","1","2","5","6","1") = "5"
    & skf21("3","4","1","1","2","5","7","1") = "6"
    & skf21("3","4","1","1","2","6","1","1") = "5"
    & skf21("3","4","1","1","2","6","2","1") = "5"
    & skf21("3","4","1","1","2","6","3","1") = "5"
    & skf21("3","4","1","1","2","6","4","1") = "5"
    & skf21("3","4","1","1","2","6","5","1") = "5"
    & skf21("3","4","1","1","2","6","6","1") = "5"
    & skf21("3","4","1","1","2","6","7","1") = "6"
    & skf21("3","4","1","1","2","7","1","1") = "6"
    & skf21("3","4","1","1","2","7","2","1") = "6"
    & skf21("3","4","1","1","2","7","3","1") = "6"
    & skf21("3","4","1","1","2","7","4","1") = "6"
    & skf21("3","4","1","1","2","7","5","1") = "6"
    & skf21("3","4","1","1","2","7","6","1") = "6"
    & skf21("3","4","1","1","2","7","7","1") = "6"
    & skf21("3","4","1","1","3","1","1","1") = "3"
    & skf21("3","4","1","1","3","1","2","1") = "3"
    & skf21("3","4","1","1","3","1","3","1") = "3"
    & skf21("3","4","1","1","3","1","4","1") = "3"
    & skf21("3","4","1","1","3","1","5","1") = "4"
    & skf21("3","4","1","1","3","1","6","1") = "5"
    & skf21("3","4","1","1","3","1","7","1") = "6"
    & skf21("3","4","1","1","3","2","1","1") = "3"
    & skf21("3","4","1","1","3","2","2","1") = "3"
    & skf21("3","4","1","1","3","2","3","1") = "3"
    & skf21("3","4","1","1","3","2","4","1") = "3"
    & skf21("3","4","1","1","3","2","5","1") = "4"
    & skf21("3","4","1","1","3","2","6","1") = "5"
    & skf21("3","4","1","1","3","2","7","1") = "6"
    & skf21("3","4","1","1","3","3","1","1") = "3"
    & skf21("3","4","1","1","3","3","2","1") = "3"
    & skf21("3","4","1","1","3","3","3","1") = "3"
    & skf21("3","4","1","1","3","3","4","1") = "3"
    & skf21("3","4","1","1","3","3","5","1") = "4"
    & skf21("3","4","1","1","3","3","6","1") = "5"
    & skf21("3","4","1","1","3","3","7","1") = "6"
    & skf21("3","4","1","1","3","4","1","1") = "3"
    & skf21("3","4","1","1","3","4","2","1") = "3"
    & skf21("3","4","1","1","3","4","3","1") = "3"
    & skf21("3","4","1","1","3","4","4","1") = "3"
    & skf21("3","4","1","1","3","4","5","1") = "4"
    & skf21("3","4","1","1","3","4","6","1") = "5"
    & skf21("3","4","1","1","3","4","7","1") = "6"
    & skf21("3","4","1","1","3","5","1","1") = "4"
    & skf21("3","4","1","1","3","5","2","1") = "4"
    & skf21("3","4","1","1","3","5","3","1") = "4"
    & skf21("3","4","1","1","3","5","4","1") = "4"
    & skf21("3","4","1","1","3","5","5","1") = "4"
    & skf21("3","4","1","1","3","5","6","1") = "5"
    & skf21("3","4","1","1","3","5","7","1") = "6"
    & skf21("3","4","1","1","3","6","1","1") = "5"
    & skf21("3","4","1","1","3","6","2","1") = "5"
    & skf21("3","4","1","1","3","6","3","1") = "5"
    & skf21("3","4","1","1","3","6","4","1") = "5"
    & skf21("3","4","1","1","3","6","5","1") = "5"
    & skf21("3","4","1","1","3","6","6","1") = "5"
    & skf21("3","4","1","1","3","6","7","1") = "6"
    & skf21("3","4","1","1","3","7","1","1") = "6"
    & skf21("3","4","1","1","3","7","2","1") = "6"
    & skf21("3","4","1","1","3","7","3","1") = "6"
    & skf21("3","4","1","1","3","7","4","1") = "6"
    & skf21("3","4","1","1","3","7","5","1") = "6"
    & skf21("3","4","1","1","3","7","6","1") = "6"
    & skf21("3","4","1","1","3","7","7","1") = "6"
    & skf21("3","4","1","1","4","1","1","1") = "3"
    & skf21("3","4","1","1","4","1","2","1") = "3"
    & skf21("3","4","1","1","4","1","3","1") = "3"
    & skf21("3","4","1","1","4","1","4","1") = "3"
    & skf21("3","4","1","1","4","1","5","1") = "4"
    & skf21("3","4","1","1","4","1","6","1") = "5"
    & skf21("3","4","1","1","4","1","7","1") = "6"
    & skf21("3","4","1","1","4","2","1","1") = "3"
    & skf21("3","4","1","1","4","2","2","1") = "3"
    & skf21("3","4","1","1","4","2","3","1") = "3"
    & skf21("3","4","1","1","4","2","4","1") = "3"
    & skf21("3","4","1","1","4","2","5","1") = "4"
    & skf21("3","4","1","1","4","2","6","1") = "5"
    & skf21("3","4","1","1","4","2","7","1") = "6"
    & skf21("3","4","1","1","4","3","1","1") = "3"
    & skf21("3","4","1","1","4","3","2","1") = "3"
    & skf21("3","4","1","1","4","3","3","1") = "3"
    & skf21("3","4","1","1","4","3","4","1") = "3"
    & skf21("3","4","1","1","4","3","5","1") = "4"
    & skf21("3","4","1","1","4","3","6","1") = "5"
    & skf21("3","4","1","1","4","3","7","1") = "6"
    & skf21("3","4","1","1","4","4","1","1") = "3"
    & skf21("3","4","1","1","4","4","2","1") = "3"
    & skf21("3","4","1","1","4","4","3","1") = "3"
    & skf21("3","4","1","1","4","4","4","1") = "3"
    & skf21("3","4","1","1","4","4","5","1") = "4"
    & skf21("3","4","1","1","4","4","6","1") = "5"
    & skf21("3","4","1","1","4","4","7","1") = "6"
    & skf21("3","4","1","1","4","5","1","1") = "4"
    & skf21("3","4","1","1","4","5","2","1") = "4"
    & skf21("3","4","1","1","4","5","3","1") = "4"
    & skf21("3","4","1","1","4","5","4","1") = "4"
    & skf21("3","4","1","1","4","5","5","1") = "4"
    & skf21("3","4","1","1","4","5","6","1") = "5"
    & skf21("3","4","1","1","4","5","7","1") = "6"
    & skf21("3","4","1","1","4","6","1","1") = "5"
    & skf21("3","4","1","1","4","6","2","1") = "5"
    & skf21("3","4","1","1","4","6","3","1") = "5"
    & skf21("3","4","1","1","4","6","4","1") = "5"
    & skf21("3","4","1","1","4","6","5","1") = "5"
    & skf21("3","4","1","1","4","6","6","1") = "5"
    & skf21("3","4","1","1","4","6","7","1") = "6"
    & skf21("3","4","1","1","4","7","1","1") = "6"
    & skf21("3","4","1","1","4","7","2","1") = "6"
    & skf21("3","4","1","1","4","7","3","1") = "6"
    & skf21("3","4","1","1","4","7","4","1") = "6"
    & skf21("3","4","1","1","4","7","5","1") = "6"
    & skf21("3","4","1","1","4","7","6","1") = "6"
    & skf21("3","4","1","1","4","7","7","1") = "6"
    & skf21("3","4","1","1","5","1","1","1") = "4"
    & skf21("3","4","1","1","5","1","2","1") = "4"
    & skf21("3","4","1","1","5","1","3","1") = "4"
    & skf21("3","4","1","1","5","1","4","1") = "4"
    & skf21("3","4","1","1","5","1","5","1") = "4"
    & skf21("3","4","1","1","5","1","6","1") = "5"
    & skf21("3","4","1","1","5","1","7","1") = "6"
    & skf21("3","4","1","1","5","2","1","1") = "4"
    & skf21("3","4","1","1","5","2","2","1") = "4"
    & skf21("3","4","1","1","5","2","3","1") = "4"
    & skf21("3","4","1","1","5","2","4","1") = "4"
    & skf21("3","4","1","1","5","2","5","1") = "4"
    & skf21("3","4","1","1","5","2","6","1") = "5"
    & skf21("3","4","1","1","5","2","7","1") = "6"
    & skf21("3","4","1","1","5","3","1","1") = "4"
    & skf21("3","4","1","1","5","3","2","1") = "4"
    & skf21("3","4","1","1","5","3","3","1") = "4"
    & skf21("3","4","1","1","5","3","4","1") = "4"
    & skf21("3","4","1","1","5","3","5","1") = "4"
    & skf21("3","4","1","1","5","3","6","1") = "5"
    & skf21("3","4","1","1","5","3","7","1") = "6"
    & skf21("3","4","1","1","5","4","1","1") = "4"
    & skf21("3","4","1","1","5","4","2","1") = "4"
    & skf21("3","4","1","1","5","4","3","1") = "4"
    & skf21("3","4","1","1","5","4","4","1") = "4"
    & skf21("3","4","1","1","5","4","5","1") = "4"
    & skf21("3","4","1","1","5","4","6","1") = "5"
    & skf21("3","4","1","1","5","4","7","1") = "6"
    & skf21("3","4","1","1","5","5","1","1") = "4"
    & skf21("3","4","1","1","5","5","2","1") = "4"
    & skf21("3","4","1","1","5","5","3","1") = "4"
    & skf21("3","4","1","1","5","5","4","1") = "4"
    & skf21("3","4","1","1","5","5","5","1") = "4"
    & skf21("3","4","1","1","5","5","6","1") = "5"
    & skf21("3","4","1","1","5","5","7","1") = "6"
    & skf21("3","4","1","1","5","6","1","1") = "5"
    & skf21("3","4","1","1","5","6","2","1") = "5"
    & skf21("3","4","1","1","5","6","3","1") = "5"
    & skf21("3","4","1","1","5","6","4","1") = "5"
    & skf21("3","4","1","1","5","6","5","1") = "5"
    & skf21("3","4","1","1","5","6","6","1") = "5"
    & skf21("3","4","1","1","5","6","7","1") = "6"
    & skf21("3","4","1","1","5","7","1","1") = "6"
    & skf21("3","4","1","1","5","7","2","1") = "6"
    & skf21("3","4","1","1","5","7","3","1") = "6"
    & skf21("3","4","1","1","5","7","4","1") = "6"
    & skf21("3","4","1","1","5","7","5","1") = "6"
    & skf21("3","4","1","1","5","7","6","1") = "6"
    & skf21("3","4","1","1","5","7","7","1") = "6"
    & skf21("3","4","1","1","6","1","1","1") = "5"
    & skf21("3","4","1","1","6","1","2","1") = "5"
    & skf21("3","4","1","1","6","1","3","1") = "5"
    & skf21("3","4","1","1","6","1","4","1") = "5"
    & skf21("3","4","1","1","6","1","5","1") = "5"
    & skf21("3","4","1","1","6","1","6","1") = "5"
    & skf21("3","4","1","1","6","1","7","1") = "6"
    & skf21("3","4","1","1","6","2","1","1") = "5"
    & skf21("3","4","1","1","6","2","2","1") = "5"
    & skf21("3","4","1","1","6","2","3","1") = "5"
    & skf21("3","4","1","1","6","2","4","1") = "5"
    & skf21("3","4","1","1","6","2","5","1") = "5"
    & skf21("3","4","1","1","6","2","6","1") = "5"
    & skf21("3","4","1","1","6","2","7","1") = "6"
    & skf21("3","4","1","1","6","3","1","1") = "5"
    & skf21("3","4","1","1","6","3","2","1") = "5"
    & skf21("3","4","1","1","6","3","3","1") = "5"
    & skf21("3","4","1","1","6","3","4","1") = "5"
    & skf21("3","4","1","1","6","3","5","1") = "5"
    & skf21("3","4","1","1","6","3","6","1") = "5"
    & skf21("3","4","1","1","6","3","7","1") = "6"
    & skf21("3","4","1","1","6","4","1","1") = "5"
    & skf21("3","4","1","1","6","4","2","1") = "5"
    & skf21("3","4","1","1","6","4","3","1") = "5"
    & skf21("3","4","1","1","6","4","4","1") = "5"
    & skf21("3","4","1","1","6","4","5","1") = "5"
    & skf21("3","4","1","1","6","4","6","1") = "5"
    & skf21("3","4","1","1","6","4","7","1") = "6"
    & skf21("3","4","1","1","6","5","1","1") = "5"
    & skf21("3","4","1","1","6","5","2","1") = "5"
    & skf21("3","4","1","1","6","5","3","1") = "5"
    & skf21("3","4","1","1","6","5","4","1") = "5"
    & skf21("3","4","1","1","6","5","5","1") = "5"
    & skf21("3","4","1","1","6","5","6","1") = "5"
    & skf21("3","4","1","1","6","5","7","1") = "6"
    & skf21("3","4","1","1","6","6","1","1") = "5"
    & skf21("3","4","1","1","6","6","2","1") = "5"
    & skf21("3","4","1","1","6","6","3","1") = "5"
    & skf21("3","4","1","1","6","6","4","1") = "5"
    & skf21("3","4","1","1","6","6","5","1") = "5"
    & skf21("3","4","1","1","6","6","6","1") = "5"
    & skf21("3","4","1","1","6","6","7","1") = "6"
    & skf21("3","4","1","1","6","7","1","1") = "6"
    & skf21("3","4","1","1","6","7","2","1") = "6"
    & skf21("3","4","1","1","6","7","3","1") = "6"
    & skf21("3","4","1","1","6","7","4","1") = "6"
    & skf21("3","4","1","1","6","7","5","1") = "6"
    & skf21("3","4","1","1","6","7","6","1") = "6"
    & skf21("3","4","1","1","6","7","7","1") = "6"
    & skf21("3","4","1","1","7","1","1","1") = "6"
    & skf21("3","4","1","1","7","1","2","1") = "6"
    & skf21("3","4","1","1","7","1","3","1") = "6"
    & skf21("3","4","1","1","7","1","4","1") = "6"
    & skf21("3","4","1","1","7","1","5","1") = "6"
    & skf21("3","4","1","1","7","1","6","1") = "6"
    & skf21("3","4","1","1","7","1","7","1") = "6"
    & skf21("3","4","1","1","7","2","1","1") = "6"
    & skf21("3","4","1","1","7","2","2","1") = "6"
    & skf21("3","4","1","1","7","2","3","1") = "6"
    & skf21("3","4","1","1","7","2","4","1") = "6"
    & skf21("3","4","1","1","7","2","5","1") = "6"
    & skf21("3","4","1","1","7","2","6","1") = "6"
    & skf21("3","4","1","1","7","2","7","1") = "6"
    & skf21("3","4","1","1","7","3","1","1") = "6"
    & skf21("3","4","1","1","7","3","2","1") = "6"
    & skf21("3","4","1","1","7","3","3","1") = "6"
    & skf21("3","4","1","1","7","3","4","1") = "6"
    & skf21("3","4","1","1","7","3","5","1") = "6"
    & skf21("3","4","1","1","7","3","6","1") = "6"
    & skf21("3","4","1","1","7","3","7","1") = "6"
    & skf21("3","4","1","1","7","4","1","1") = "6"
    & skf21("3","4","1","1","7","4","2","1") = "6"
    & skf21("3","4","1","1","7","4","3","1") = "6"
    & skf21("3","4","1","1","7","4","4","1") = "6"
    & skf21("3","4","1","1","7","4","5","1") = "6"
    & skf21("3","4","1","1","7","4","6","1") = "6"
    & skf21("3","4","1","1","7","4","7","1") = "6"
    & skf21("3","4","1","1","7","5","1","1") = "6"
    & skf21("3","4","1","1","7","5","2","1") = "6"
    & skf21("3","4","1","1","7","5","3","1") = "6"
    & skf21("3","4","1","1","7","5","4","1") = "6"
    & skf21("3","4","1","1","7","5","5","1") = "6"
    & skf21("3","4","1","1","7","5","6","1") = "6"
    & skf21("3","4","1","1","7","5","7","1") = "6"
    & skf21("3","4","1","1","7","6","1","1") = "6"
    & skf21("3","4","1","1","7","6","2","1") = "6"
    & skf21("3","4","1","1","7","6","3","1") = "6"
    & skf21("3","4","1","1","7","6","4","1") = "6"
    & skf21("3","4","1","1","7","6","5","1") = "6"
    & skf21("3","4","1","1","7","6","6","1") = "6"
    & skf21("3","4","1","1","7","6","7","1") = "6"
    & skf21("3","4","1","1","7","7","1","1") = "6"
    & skf21("3","4","1","1","7","7","2","1") = "6"
    & skf21("3","4","1","1","7","7","3","1") = "6"
    & skf21("3","4","1","1","7","7","4","1") = "6"
    & skf21("3","4","1","1","7","7","5","1") = "6"
    & skf21("3","4","1","1","7","7","6","1") = "6"
    & skf21("3","4","1","1","7","7","7","1") = "6"
    & skf21("3","4","1","2","1","1","1","1") = "3"
    & skf21("3","4","1","2","1","1","2","1") = "3"
    & skf21("3","4","1","2","1","1","3","1") = "3"
    & skf21("3","4","1","2","1","1","4","1") = "3"
    & skf21("3","4","1","2","1","1","5","1") = "4"
    & skf21("3","4","1","2","1","1","6","1") = "5"
    & skf21("3","4","1","2","1","1","7","1") = "6"
    & skf21("3","4","1","2","1","2","1","1") = "3"
    & skf21("3","4","1","2","1","2","2","1") = "3"
    & skf21("3","4","1","2","1","2","3","1") = "3"
    & skf21("3","4","1","2","1","2","4","1") = "3"
    & skf21("3","4","1","2","1","2","5","1") = "4"
    & skf21("3","4","1","2","1","2","6","1") = "5"
    & skf21("3","4","1","2","1","2","7","1") = "6"
    & skf21("3","4","1","2","1","3","1","1") = "3"
    & skf21("3","4","1","2","1","3","2","1") = "3"
    & skf21("3","4","1","2","1","3","3","1") = "3"
    & skf21("3","4","1","2","1","3","4","1") = "3"
    & skf21("3","4","1","2","1","3","5","1") = "4"
    & skf21("3","4","1","2","1","3","6","1") = "5"
    & skf21("3","4","1","2","1","3","7","1") = "6"
    & skf21("3","4","1","2","1","4","1","1") = "3"
    & skf21("3","4","1","2","1","4","2","1") = "3"
    & skf21("3","4","1","2","1","4","3","1") = "3"
    & skf21("3","4","1","2","1","4","4","1") = "3"
    & skf21("3","4","1","2","1","4","5","1") = "4"
    & skf21("3","4","1","2","1","4","6","1") = "5"
    & skf21("3","4","1","2","1","4","7","1") = "6"
    & skf21("3","4","1","2","1","5","1","1") = "4"
    & skf21("3","4","1","2","1","5","2","1") = "4"
    & skf21("3","4","1","2","1","5","3","1") = "4"
    & skf21("3","4","1","2","1","5","4","1") = "4"
    & skf21("3","4","1","2","1","5","5","1") = "4"
    & skf21("3","4","1","2","1","5","6","1") = "5"
    & skf21("3","4","1","2","1","5","7","1") = "6"
    & skf21("3","4","1","2","1","6","1","1") = "5"
    & skf21("3","4","1","2","1","6","2","1") = "5"
    & skf21("3","4","1","2","1","6","3","1") = "5"
    & skf21("3","4","1","2","1","6","4","1") = "5"
    & skf21("3","4","1","2","1","6","5","1") = "5"
    & skf21("3","4","1","2","1","6","6","1") = "5"
    & skf21("3","4","1","2","1","6","7","1") = "6"
    & skf21("3","4","1","2","1","7","1","1") = "6"
    & skf21("3","4","1","2","1","7","2","1") = "6"
    & skf21("3","4","1","2","1","7","3","1") = "6"
    & skf21("3","4","1","2","1","7","4","1") = "6"
    & skf21("3","4","1","2","1","7","5","1") = "6"
    & skf21("3","4","1","2","1","7","6","1") = "6"
    & skf21("3","4","1","2","1","7","7","1") = "6"
    & skf21("3","4","1","2","2","1","1","1") = "3"
    & skf21("3","4","1","2","2","1","2","1") = "3"
    & skf21("3","4","1","2","2","1","3","1") = "3"
    & skf21("3","4","1","2","2","1","4","1") = "3"
    & skf21("3","4","1","2","2","1","5","1") = "4"
    & skf21("3","4","1","2","2","1","6","1") = "5"
    & skf21("3","4","1","2","2","1","7","1") = "6"
    & skf21("3","4","1","2","2","2","1","1") = "3"
    & skf21("3","4","1","2","2","2","2","1") = "3"
    & skf21("3","4","1","2","2","2","3","1") = "3"
    & skf21("3","4","1","2","2","2","4","1") = "3"
    & skf21("3","4","1","2","2","2","5","1") = "4"
    & skf21("3","4","1","2","2","2","6","1") = "5"
    & skf21("3","4","1","2","2","2","7","1") = "6"
    & skf21("3","4","1","2","2","3","1","1") = "3"
    & skf21("3","4","1","2","2","3","2","1") = "3"
    & skf21("3","4","1","2","2","3","3","1") = "3"
    & skf21("3","4","1","2","2","3","4","1") = "3"
    & skf21("3","4","1","2","2","3","5","1") = "4"
    & skf21("3","4","1","2","2","3","6","1") = "5"
    & skf21("3","4","1","2","2","3","7","1") = "6"
    & skf21("3","4","1","2","2","4","1","1") = "3"
    & skf21("3","4","1","2","2","4","2","1") = "3"
    & skf21("3","4","1","2","2","4","3","1") = "3"
    & skf21("3","4","1","2","2","4","4","1") = "3"
    & skf21("3","4","1","2","2","4","5","1") = "4"
    & skf21("3","4","1","2","2","4","6","1") = "5"
    & skf21("3","4","1","2","2","4","7","1") = "6"
    & skf21("3","4","1","2","2","5","1","1") = "4"
    & skf21("3","4","1","2","2","5","2","1") = "4"
    & skf21("3","4","1","2","2","5","3","1") = "4"
    & skf21("3","4","1","2","2","5","4","1") = "4"
    & skf21("3","4","1","2","2","5","5","1") = "4"
    & skf21("3","4","1","2","2","5","6","1") = "5"
    & skf21("3","4","1","2","2","5","7","1") = "6"
    & skf21("3","4","1","2","2","6","1","1") = "5"
    & skf21("3","4","1","2","2","6","2","1") = "5"
    & skf21("3","4","1","2","2","6","3","1") = "5"
    & skf21("3","4","1","2","2","6","4","1") = "5"
    & skf21("3","4","1","2","2","6","5","1") = "5"
    & skf21("3","4","1","2","2","6","6","1") = "5"
    & skf21("3","4","1","2","2","6","7","1") = "6"
    & skf21("3","4","1","2","2","7","1","1") = "6"
    & skf21("3","4","1","2","2","7","2","1") = "6"
    & skf21("3","4","1","2","2","7","3","1") = "6"
    & skf21("3","4","1","2","2","7","4","1") = "6"
    & skf21("3","4","1","2","2","7","5","1") = "6"
    & skf21("3","4","1","2","2","7","6","1") = "6"
    & skf21("3","4","1","2","2","7","7","1") = "6"
    & skf21("3","4","1","2","3","1","1","1") = "3"
    & skf21("3","4","1","2","3","1","2","1") = "3"
    & skf21("3","4","1","2","3","1","3","1") = "3"
    & skf21("3","4","1","2","3","1","4","1") = "3"
    & skf21("3","4","1","2","3","1","5","1") = "4"
    & skf21("3","4","1","2","3","1","6","1") = "5"
    & skf21("3","4","1","2","3","1","7","1") = "6"
    & skf21("3","4","1","2","3","2","1","1") = "3"
    & skf21("3","4","1","2","3","2","2","1") = "3"
    & skf21("3","4","1","2","3","2","3","1") = "3"
    & skf21("3","4","1","2","3","2","4","1") = "3"
    & skf21("3","4","1","2","3","2","5","1") = "4"
    & skf21("3","4","1","2","3","2","6","1") = "5"
    & skf21("3","4","1","2","3","2","7","1") = "6"
    & skf21("3","4","1","2","3","3","1","1") = "3"
    & skf21("3","4","1","2","3","3","2","1") = "3"
    & skf21("3","4","1","2","3","3","3","1") = "3"
    & skf21("3","4","1","2","3","3","4","1") = "3"
    & skf21("3","4","1","2","3","3","5","1") = "4"
    & skf21("3","4","1","2","3","3","6","1") = "5"
    & skf21("3","4","1","2","3","3","7","1") = "6"
    & skf21("3","4","1","2","3","4","1","1") = "3"
    & skf21("3","4","1","2","3","4","2","1") = "3"
    & skf21("3","4","1","2","3","4","3","1") = "3"
    & skf21("3","4","1","2","3","4","4","1") = "3"
    & skf21("3","4","1","2","3","4","5","1") = "4"
    & skf21("3","4","1","2","3","4","6","1") = "5"
    & skf21("3","4","1","2","3","4","7","1") = "6"
    & skf21("3","4","1","2","3","5","1","1") = "4"
    & skf21("3","4","1","2","3","5","2","1") = "4"
    & skf21("3","4","1","2","3","5","3","1") = "4"
    & skf21("3","4","1","2","3","5","4","1") = "4"
    & skf21("3","4","1","2","3","5","5","1") = "4"
    & skf21("3","4","1","2","3","5","6","1") = "5"
    & skf21("3","4","1","2","3","5","7","1") = "6"
    & skf21("3","4","1","2","3","6","1","1") = "5"
    & skf21("3","4","1","2","3","6","2","1") = "5"
    & skf21("3","4","1","2","3","6","3","1") = "5"
    & skf21("3","4","1","2","3","6","4","1") = "5"
    & skf21("3","4","1","2","3","6","5","1") = "5"
    & skf21("3","4","1","2","3","6","6","1") = "5"
    & skf21("3","4","1","2","3","6","7","1") = "6"
    & skf21("3","4","1","2","3","7","1","1") = "6"
    & skf21("3","4","1","2","3","7","2","1") = "6"
    & skf21("3","4","1","2","3","7","3","1") = "6"
    & skf21("3","4","1","2","3","7","4","1") = "6"
    & skf21("3","4","1","2","3","7","5","1") = "6"
    & skf21("3","4","1","2","3","7","6","1") = "6"
    & skf21("3","4","1","2","3","7","7","1") = "6"
    & skf21("3","4","1","2","4","1","1","1") = "3"
    & skf21("3","4","1","2","4","1","2","1") = "3"
    & skf21("3","4","1","2","4","1","3","1") = "3"
    & skf21("3","4","1","2","4","1","4","1") = "3"
    & skf21("3","4","1","2","4","1","5","1") = "4"
    & skf21("3","4","1","2","4","1","6","1") = "5"
    & skf21("3","4","1","2","4","1","7","1") = "6"
    & skf21("3","4","1","2","4","2","1","1") = "3"
    & skf21("3","4","1","2","4","2","2","1") = "3"
    & skf21("3","4","1","2","4","2","3","1") = "3"
    & skf21("3","4","1","2","4","2","4","1") = "3"
    & skf21("3","4","1","2","4","2","5","1") = "4"
    & skf21("3","4","1","2","4","2","6","1") = "5"
    & skf21("3","4","1","2","4","2","7","1") = "6"
    & skf21("3","4","1","2","4","3","1","1") = "3"
    & skf21("3","4","1","2","4","3","2","1") = "3"
    & skf21("3","4","1","2","4","3","3","1") = "3"
    & skf21("3","4","1","2","4","3","4","1") = "3"
    & skf21("3","4","1","2","4","3","5","1") = "4"
    & skf21("3","4","1","2","4","3","6","1") = "5"
    & skf21("3","4","1","2","4","3","7","1") = "6"
    & skf21("3","4","1","2","4","4","1","1") = "3"
    & skf21("3","4","1","2","4","4","2","1") = "3"
    & skf21("3","4","1","2","4","4","3","1") = "3"
    & skf21("3","4","1","2","4","4","4","1") = "3"
    & skf21("3","4","1","2","4","4","5","1") = "4"
    & skf21("3","4","1","2","4","4","6","1") = "5"
    & skf21("3","4","1","2","4","4","7","1") = "6"
    & skf21("3","4","1","2","4","5","1","1") = "4"
    & skf21("3","4","1","2","4","5","2","1") = "4"
    & skf21("3","4","1","2","4","5","3","1") = "4"
    & skf21("3","4","1","2","4","5","4","1") = "4"
    & skf21("3","4","1","2","4","5","5","1") = "4"
    & skf21("3","4","1","2","4","5","6","1") = "5"
    & skf21("3","4","1","2","4","5","7","1") = "6"
    & skf21("3","4","1","2","4","6","1","1") = "5"
    & skf21("3","4","1","2","4","6","2","1") = "5"
    & skf21("3","4","1","2","4","6","3","1") = "5"
    & skf21("3","4","1","2","4","6","4","1") = "5"
    & skf21("3","4","1","2","4","6","5","1") = "5"
    & skf21("3","4","1","2","4","6","6","1") = "5"
    & skf21("3","4","1","2","4","6","7","1") = "6"
    & skf21("3","4","1","2","4","7","1","1") = "6"
    & skf21("3","4","1","2","4","7","2","1") = "6"
    & skf21("3","4","1","2","4","7","3","1") = "6"
    & skf21("3","4","1","2","4","7","4","1") = "6"
    & skf21("3","4","1","2","4","7","5","1") = "6"
    & skf21("3","4","1","2","4","7","6","1") = "6"
    & skf21("3","4","1","2","4","7","7","1") = "6"
    & skf21("3","4","1","2","5","1","1","1") = "4"
    & skf21("3","4","1","2","5","1","2","1") = "4"
    & skf21("3","4","1","2","5","1","3","1") = "4"
    & skf21("3","4","1","2","5","1","4","1") = "4"
    & skf21("3","4","1","2","5","1","5","1") = "4"
    & skf21("3","4","1","2","5","1","6","1") = "5"
    & skf21("3","4","1","2","5","1","7","1") = "6"
    & skf21("3","4","1","2","5","2","1","1") = "4"
    & skf21("3","4","1","2","5","2","2","1") = "4"
    & skf21("3","4","1","2","5","2","3","1") = "4"
    & skf21("3","4","1","2","5","2","4","1") = "4"
    & skf21("3","4","1","2","5","2","5","1") = "4"
    & skf21("3","4","1","2","5","2","6","1") = "5"
    & skf21("3","4","1","2","5","2","7","1") = "6"
    & skf21("3","4","1","2","5","3","1","1") = "4"
    & skf21("3","4","1","2","5","3","2","1") = "4"
    & skf21("3","4","1","2","5","3","3","1") = "4"
    & skf21("3","4","1","2","5","3","4","1") = "4"
    & skf21("3","4","1","2","5","3","5","1") = "4"
    & skf21("3","4","1","2","5","3","6","1") = "5"
    & skf21("3","4","1","2","5","3","7","1") = "6"
    & skf21("3","4","1","2","5","4","1","1") = "4"
    & skf21("3","4","1","2","5","4","2","1") = "4"
    & skf21("3","4","1","2","5","4","3","1") = "4"
    & skf21("3","4","1","2","5","4","4","1") = "4"
    & skf21("3","4","1","2","5","4","5","1") = "4"
    & skf21("3","4","1","2","5","4","6","1") = "5"
    & skf21("3","4","1","2","5","4","7","1") = "6"
    & skf21("3","4","1","2","5","5","1","1") = "4"
    & skf21("3","4","1","2","5","5","2","1") = "4"
    & skf21("3","4","1","2","5","5","3","1") = "4"
    & skf21("3","4","1","2","5","5","4","1") = "4"
    & skf21("3","4","1","2","5","5","5","1") = "4"
    & skf21("3","4","1","2","5","5","6","1") = "5"
    & skf21("3","4","1","2","5","5","7","1") = "6"
    & skf21("3","4","1","2","5","6","1","1") = "5"
    & skf21("3","4","1","2","5","6","2","1") = "5"
    & skf21("3","4","1","2","5","6","3","1") = "5"
    & skf21("3","4","1","2","5","6","4","1") = "5"
    & skf21("3","4","1","2","5","6","5","1") = "5"
    & skf21("3","4","1","2","5","6","6","1") = "5"
    & skf21("3","4","1","2","5","6","7","1") = "6"
    & skf21("3","4","1","2","5","7","1","1") = "6"
    & skf21("3","4","1","2","5","7","2","1") = "6"
    & skf21("3","4","1","2","5","7","3","1") = "6"
    & skf21("3","4","1","2","5","7","4","1") = "6"
    & skf21("3","4","1","2","5","7","5","1") = "6"
    & skf21("3","4","1","2","5","7","6","1") = "6"
    & skf21("3","4","1","2","5","7","7","1") = "6"
    & skf21("3","4","1","2","6","1","1","1") = "5"
    & skf21("3","4","1","2","6","1","2","1") = "5"
    & skf21("3","4","1","2","6","1","3","1") = "5"
    & skf21("3","4","1","2","6","1","4","1") = "5"
    & skf21("3","4","1","2","6","1","5","1") = "5"
    & skf21("3","4","1","2","6","1","6","1") = "5"
    & skf21("3","4","1","2","6","1","7","1") = "6"
    & skf21("3","4","1","2","6","2","1","1") = "5"
    & skf21("3","4","1","2","6","2","2","1") = "5"
    & skf21("3","4","1","2","6","2","3","1") = "5"
    & skf21("3","4","1","2","6","2","4","1") = "5"
    & skf21("3","4","1","2","6","2","5","1") = "5"
    & skf21("3","4","1","2","6","2","6","1") = "5"
    & skf21("3","4","1","2","6","2","7","1") = "6"
    & skf21("3","4","1","2","6","3","1","1") = "5"
    & skf21("3","4","1","2","6","3","2","1") = "5"
    & skf21("3","4","1","2","6","3","3","1") = "5"
    & skf21("3","4","1","2","6","3","4","1") = "5"
    & skf21("3","4","1","2","6","3","5","1") = "5"
    & skf21("3","4","1","2","6","3","6","1") = "5"
    & skf21("3","4","1","2","6","3","7","1") = "6"
    & skf21("3","4","1","2","6","4","1","1") = "5"
    & skf21("3","4","1","2","6","4","2","1") = "5"
    & skf21("3","4","1","2","6","4","3","1") = "5"
    & skf21("3","4","1","2","6","4","4","1") = "5"
    & skf21("3","4","1","2","6","4","5","1") = "5"
    & skf21("3","4","1","2","6","4","6","1") = "5"
    & skf21("3","4","1","2","6","4","7","1") = "6"
    & skf21("3","4","1","2","6","5","1","1") = "5"
    & skf21("3","4","1","2","6","5","2","1") = "5"
    & skf21("3","4","1","2","6","5","3","1") = "5"
    & skf21("3","4","1","2","6","5","4","1") = "5"
    & skf21("3","4","1","2","6","5","5","1") = "5"
    & skf21("3","4","1","2","6","5","6","1") = "5"
    & skf21("3","4","1","2","6","5","7","1") = "6"
    & skf21("3","4","1","2","6","6","1","1") = "5"
    & skf21("3","4","1","2","6","6","2","1") = "5"
    & skf21("3","4","1","2","6","6","3","1") = "5"
    & skf21("3","4","1","2","6","6","4","1") = "5"
    & skf21("3","4","1","2","6","6","5","1") = "5"
    & skf21("3","4","1","2","6","6","6","1") = "5"
    & skf21("3","4","1","2","6","6","7","1") = "6"
    & skf21("3","4","1","2","6","7","1","1") = "6"
    & skf21("3","4","1","2","6","7","2","1") = "6"
    & skf21("3","4","1","2","6","7","3","1") = "6"
    & skf21("3","4","1","2","6","7","4","1") = "6"
    & skf21("3","4","1","2","6","7","5","1") = "6"
    & skf21("3","4","1","2","6","7","6","1") = "6"
    & skf21("3","4","1","2","6","7","7","1") = "6"
    & skf21("3","4","1","2","7","1","1","1") = "6"
    & skf21("3","4","1","2","7","1","2","1") = "6"
    & skf21("3","4","1","2","7","1","3","1") = "6"
    & skf21("3","4","1","2","7","1","4","1") = "6"
    & skf21("3","4","1","2","7","1","5","1") = "6"
    & skf21("3","4","1","2","7","1","6","1") = "6"
    & skf21("3","4","1","2","7","1","7","1") = "6"
    & skf21("3","4","1","2","7","2","1","1") = "6"
    & skf21("3","4","1","2","7","2","2","1") = "6"
    & skf21("3","4","1","2","7","2","3","1") = "6"
    & skf21("3","4","1","2","7","2","4","1") = "6"
    & skf21("3","4","1","2","7","2","5","1") = "6"
    & skf21("3","4","1","2","7","2","6","1") = "6"
    & skf21("3","4","1","2","7","2","7","1") = "6"
    & skf21("3","4","1","2","7","3","1","1") = "6"
    & skf21("3","4","1","2","7","3","2","1") = "6"
    & skf21("3","4","1","2","7","3","3","1") = "6"
    & skf21("3","4","1","2","7","3","4","1") = "6"
    & skf21("3","4","1","2","7","3","5","1") = "6"
    & skf21("3","4","1","2","7","3","6","1") = "6"
    & skf21("3","4","1","2","7","3","7","1") = "6"
    & skf21("3","4","1","2","7","4","1","1") = "6"
    & skf21("3","4","1","2","7","4","2","1") = "6"
    & skf21("3","4","1","2","7","4","3","1") = "6"
    & skf21("3","4","1","2","7","4","4","1") = "6"
    & skf21("3","4","1","2","7","4","5","1") = "6"
    & skf21("3","4","1","2","7","4","6","1") = "6"
    & skf21("3","4","1","2","7","4","7","1") = "6"
    & skf21("3","4","1","2","7","5","1","1") = "6"
    & skf21("3","4","1","2","7","5","2","1") = "6"
    & skf21("3","4","1","2","7","5","3","1") = "6"
    & skf21("3","4","1","2","7","5","4","1") = "6"
    & skf21("3","4","1","2","7","5","5","1") = "6"
    & skf21("3","4","1","2","7","5","6","1") = "6"
    & skf21("3","4","1","2","7","5","7","1") = "6"
    & skf21("3","4","1","2","7","6","1","1") = "6"
    & skf21("3","4","1","2","7","6","2","1") = "6"
    & skf21("3","4","1","2","7","6","3","1") = "6"
    & skf21("3","4","1","2","7","6","4","1") = "6"
    & skf21("3","4","1","2","7","6","5","1") = "6"
    & skf21("3","4","1","2","7","6","6","1") = "6"
    & skf21("3","4","1","2","7","6","7","1") = "6"
    & skf21("3","4","1","2","7","7","1","1") = "6"
    & skf21("3","4","1","2","7","7","2","1") = "6"
    & skf21("3","4","1","2","7","7","3","1") = "6"
    & skf21("3","4","1","2","7","7","4","1") = "6"
    & skf21("3","4","1","2","7","7","5","1") = "6"
    & skf21("3","4","1","2","7","7","6","1") = "6"
    & skf21("3","4","1","2","7","7","7","1") = "6"
    & skf21("3","4","1","3","1","1","1","1") = "3"
    & skf21("3","4","1","3","1","1","2","1") = "3"
    & skf21("3","4","1","3","1","1","3","1") = "3"
    & skf21("3","4","1","3","1","1","4","1") = "3"
    & skf21("3","4","1","3","1","1","5","1") = "4"
    & skf21("3","4","1","3","1","1","6","1") = "5"
    & skf21("3","4","1","3","1","1","7","1") = "6"
    & skf21("3","4","1","3","1","2","1","1") = "3"
    & skf21("3","4","1","3","1","2","2","1") = "3"
    & skf21("3","4","1","3","1","2","3","1") = "3"
    & skf21("3","4","1","3","1","2","4","1") = "3"
    & skf21("3","4","1","3","1","2","5","1") = "4"
    & skf21("3","4","1","3","1","2","6","1") = "5"
    & skf21("3","4","1","3","1","2","7","1") = "6"
    & skf21("3","4","1","3","1","3","1","1") = "3"
    & skf21("3","4","1","3","1","3","2","1") = "3"
    & skf21("3","4","1","3","1","3","3","1") = "3"
    & skf21("3","4","1","3","1","3","4","1") = "3"
    & skf21("3","4","1","3","1","3","5","1") = "4"
    & skf21("3","4","1","3","1","3","6","1") = "5"
    & skf21("3","4","1","3","1","3","7","1") = "6"
    & skf21("3","4","1","3","1","4","1","1") = "3"
    & skf21("3","4","1","3","1","4","2","1") = "3"
    & skf21("3","4","1","3","1","4","3","1") = "3"
    & skf21("3","4","1","3","1","4","4","1") = "3"
    & skf21("3","4","1","3","1","4","5","1") = "4"
    & skf21("3","4","1","3","1","4","6","1") = "5"
    & skf21("3","4","1","3","1","4","7","1") = "6"
    & skf21("3","4","1","3","1","5","1","1") = "4"
    & skf21("3","4","1","3","1","5","2","1") = "4"
    & skf21("3","4","1","3","1","5","3","1") = "4"
    & skf21("3","4","1","3","1","5","4","1") = "4"
    & skf21("3","4","1","3","1","5","5","1") = "4"
    & skf21("3","4","1","3","1","5","6","1") = "5"
    & skf21("3","4","1","3","1","5","7","1") = "6"
    & skf21("3","4","1","3","1","6","1","1") = "5"
    & skf21("3","4","1","3","1","6","2","1") = "5"
    & skf21("3","4","1","3","1","6","3","1") = "5"
    & skf21("3","4","1","3","1","6","4","1") = "5"
    & skf21("3","4","1","3","1","6","5","1") = "5"
    & skf21("3","4","1","3","1","6","6","1") = "5"
    & skf21("3","4","1","3","1","6","7","1") = "6"
    & skf21("3","4","1","3","1","7","1","1") = "6"
    & skf21("3","4","1","3","1","7","2","1") = "6"
    & skf21("3","4","1","3","1","7","3","1") = "6"
    & skf21("3","4","1","3","1","7","4","1") = "6"
    & skf21("3","4","1","3","1","7","5","1") = "6"
    & skf21("3","4","1","3","1","7","6","1") = "6"
    & skf21("3","4","1","3","1","7","7","1") = "6"
    & skf21("3","4","1","3","2","1","1","1") = "3"
    & skf21("3","4","1","3","2","1","2","1") = "3"
    & skf21("3","4","1","3","2","1","3","1") = "3"
    & skf21("3","4","1","3","2","1","4","1") = "3"
    & skf21("3","4","1","3","2","1","5","1") = "4"
    & skf21("3","4","1","3","2","1","6","1") = "5"
    & skf21("3","4","1","3","2","1","7","1") = "6"
    & skf21("3","4","1","3","2","2","1","1") = "3"
    & skf21("3","4","1","3","2","2","2","1") = "3"
    & skf21("3","4","1","3","2","2","3","1") = "3"
    & skf21("3","4","1","3","2","2","4","1") = "3"
    & skf21("3","4","1","3","2","2","5","1") = "4"
    & skf21("3","4","1","3","2","2","6","1") = "5"
    & skf21("3","4","1","3","2","2","7","1") = "6"
    & skf21("3","4","1","3","2","3","1","1") = "3"
    & skf21("3","4","1","3","2","3","2","1") = "3"
    & skf21("3","4","1","3","2","3","3","1") = "3"
    & skf21("3","4","1","3","2","3","4","1") = "3"
    & skf21("3","4","1","3","2","3","5","1") = "4"
    & skf21("3","4","1","3","2","3","6","1") = "5"
    & skf21("3","4","1","3","2","3","7","1") = "6"
    & skf21("3","4","1","3","2","4","1","1") = "3"
    & skf21("3","4","1","3","2","4","2","1") = "3"
    & skf21("3","4","1","3","2","4","3","1") = "3"
    & skf21("3","4","1","3","2","4","4","1") = "3"
    & skf21("3","4","1","3","2","4","5","1") = "4"
    & skf21("3","4","1","3","2","4","6","1") = "5"
    & skf21("3","4","1","3","2","4","7","1") = "6"
    & skf21("3","4","1","3","2","5","1","1") = "4"
    & skf21("3","4","1","3","2","5","2","1") = "4"
    & skf21("3","4","1","3","2","5","3","1") = "4"
    & skf21("3","4","1","3","2","5","4","1") = "4"
    & skf21("3","4","1","3","2","5","5","1") = "4"
    & skf21("3","4","1","3","2","5","6","1") = "5"
    & skf21("3","4","1","3","2","5","7","1") = "6"
    & skf21("3","4","1","3","2","6","1","1") = "5"
    & skf21("3","4","1","3","2","6","2","1") = "5"
    & skf21("3","4","1","3","2","6","3","1") = "5"
    & skf21("3","4","1","3","2","6","4","1") = "5"
    & skf21("3","4","1","3","2","6","5","1") = "5"
    & skf21("3","4","1","3","2","6","6","1") = "5"
    & skf21("3","4","1","3","2","6","7","1") = "6"
    & skf21("3","4","1","3","2","7","1","1") = "6"
    & skf21("3","4","1","3","2","7","2","1") = "6"
    & skf21("3","4","1","3","2","7","3","1") = "6"
    & skf21("3","4","1","3","2","7","4","1") = "6"
    & skf21("3","4","1","3","2","7","5","1") = "6"
    & skf21("3","4","1","3","2","7","6","1") = "6"
    & skf21("3","4","1","3","2","7","7","1") = "6"
    & skf21("3","4","1","3","3","1","1","1") = "3"
    & skf21("3","4","1","3","3","1","2","1") = "3"
    & skf21("3","4","1","3","3","1","3","1") = "3"
    & skf21("3","4","1","3","3","1","4","1") = "3"
    & skf21("3","4","1","3","3","1","5","1") = "4"
    & skf21("3","4","1","3","3","1","6","1") = "5"
    & skf21("3","4","1","3","3","1","7","1") = "6"
    & skf21("3","4","1","3","3","2","1","1") = "3"
    & skf21("3","4","1","3","3","2","2","1") = "3"
    & skf21("3","4","1","3","3","2","3","1") = "3"
    & skf21("3","4","1","3","3","2","4","1") = "3"
    & skf21("3","4","1","3","3","2","5","1") = "4"
    & skf21("3","4","1","3","3","2","6","1") = "5"
    & skf21("3","4","1","3","3","2","7","1") = "6"
    & skf21("3","4","1","3","3","3","1","1") = "3"
    & skf21("3","4","1","3","3","3","2","1") = "3"
    & skf21("3","4","1","3","3","3","3","1") = "3"
    & skf21("3","4","1","3","3","3","4","1") = "3"
    & skf21("3","4","1","3","3","3","5","1") = "4"
    & skf21("3","4","1","3","3","3","6","1") = "5"
    & skf21("3","4","1","3","3","3","7","1") = "6"
    & skf21("3","4","1","3","3","4","1","1") = "3"
    & skf21("3","4","1","3","3","4","2","1") = "3"
    & skf21("3","4","1","3","3","4","3","1") = "3"
    & skf21("3","4","1","3","3","4","4","1") = "3"
    & skf21("3","4","1","3","3","4","5","1") = "4"
    & skf21("3","4","1","3","3","4","6","1") = "5"
    & skf21("3","4","1","3","3","4","7","1") = "6"
    & skf21("3","4","1","3","3","5","1","1") = "4"
    & skf21("3","4","1","3","3","5","2","1") = "4"
    & skf21("3","4","1","3","3","5","3","1") = "4"
    & skf21("3","4","1","3","3","5","4","1") = "4"
    & skf21("3","4","1","3","3","5","5","1") = "4"
    & skf21("3","4","1","3","3","5","6","1") = "5"
    & skf21("3","4","1","3","3","5","7","1") = "6"
    & skf21("3","4","1","3","3","6","1","1") = "5"
    & skf21("3","4","1","3","3","6","2","1") = "5"
    & skf21("3","4","1","3","3","6","3","1") = "5"
    & skf21("3","4","1","3","3","6","4","1") = "5"
    & skf21("3","4","1","3","3","6","5","1") = "5"
    & skf21("3","4","1","3","3","6","6","1") = "5"
    & skf21("3","4","1","3","3","6","7","1") = "6"
    & skf21("3","4","1","3","3","7","1","1") = "6"
    & skf21("3","4","1","3","3","7","2","1") = "6"
    & skf21("3","4","1","3","3","7","3","1") = "6"
    & skf21("3","4","1","3","3","7","4","1") = "6"
    & skf21("3","4","1","3","3","7","5","1") = "6"
    & skf21("3","4","1","3","3","7","6","1") = "6"
    & skf21("3","4","1","3","3","7","7","1") = "6"
    & skf21("3","4","1","3","4","1","1","1") = "3"
    & skf21("3","4","1","3","4","1","2","1") = "3"
    & skf21("3","4","1","3","4","1","3","1") = "3"
    & skf21("3","4","1","3","4","1","4","1") = "3"
    & skf21("3","4","1","3","4","1","5","1") = "4"
    & skf21("3","4","1","3","4","1","6","1") = "5"
    & skf21("3","4","1","3","4","1","7","1") = "6"
    & skf21("3","4","1","3","4","2","1","1") = "3"
    & skf21("3","4","1","3","4","2","2","1") = "3"
    & skf21("3","4","1","3","4","2","3","1") = "3"
    & skf21("3","4","1","3","4","2","4","1") = "3"
    & skf21("3","4","1","3","4","2","5","1") = "4"
    & skf21("3","4","1","3","4","2","6","1") = "5"
    & skf21("3","4","1","3","4","2","7","1") = "6"
    & skf21("3","4","1","3","4","3","1","1") = "3"
    & skf21("3","4","1","3","4","3","2","1") = "3"
    & skf21("3","4","1","3","4","3","3","1") = "3"
    & skf21("3","4","1","3","4","3","4","1") = "3"
    & skf21("3","4","1","3","4","3","5","1") = "4"
    & skf21("3","4","1","3","4","3","6","1") = "5"
    & skf21("3","4","1","3","4","3","7","1") = "6"
    & skf21("3","4","1","3","4","4","1","1") = "3"
    & skf21("3","4","1","3","4","4","2","1") = "3"
    & skf21("3","4","1","3","4","4","3","1") = "3"
    & skf21("3","4","1","3","4","4","4","1") = "3"
    & skf21("3","4","1","3","4","4","5","1") = "4"
    & skf21("3","4","1","3","4","4","6","1") = "5"
    & skf21("3","4","1","3","4","4","7","1") = "6"
    & skf21("3","4","1","3","4","5","1","1") = "4"
    & skf21("3","4","1","3","4","5","2","1") = "4"
    & skf21("3","4","1","3","4","5","3","1") = "4"
    & skf21("3","4","1","3","4","5","4","1") = "4"
    & skf21("3","4","1","3","4","5","5","1") = "4"
    & skf21("3","4","1","3","4","5","6","1") = "5"
    & skf21("3","4","1","3","4","5","7","1") = "6"
    & skf21("3","4","1","3","4","6","1","1") = "5"
    & skf21("3","4","1","3","4","6","2","1") = "5"
    & skf21("3","4","1","3","4","6","3","1") = "5"
    & skf21("3","4","1","3","4","6","4","1") = "5"
    & skf21("3","4","1","3","4","6","5","1") = "5"
    & skf21("3","4","1","3","4","6","6","1") = "5"
    & skf21("3","4","1","3","4","6","7","1") = "6"
    & skf21("3","4","1","3","4","7","1","1") = "6"
    & skf21("3","4","1","3","4","7","2","1") = "6"
    & skf21("3","4","1","3","4","7","3","1") = "6"
    & skf21("3","4","1","3","4","7","4","1") = "6"
    & skf21("3","4","1","3","4","7","5","1") = "6"
    & skf21("3","4","1","3","4","7","6","1") = "6"
    & skf21("3","4","1","3","4","7","7","1") = "6"
    & skf21("3","4","1","3","5","1","1","1") = "4"
    & skf21("3","4","1","3","5","1","2","1") = "4"
    & skf21("3","4","1","3","5","1","3","1") = "4"
    & skf21("3","4","1","3","5","1","4","1") = "4"
    & skf21("3","4","1","3","5","1","5","1") = "4"
    & skf21("3","4","1","3","5","1","6","1") = "5"
    & skf21("3","4","1","3","5","1","7","1") = "6"
    & skf21("3","4","1","3","5","2","1","1") = "4"
    & skf21("3","4","1","3","5","2","2","1") = "4"
    & skf21("3","4","1","3","5","2","3","1") = "4"
    & skf21("3","4","1","3","5","2","4","1") = "4"
    & skf21("3","4","1","3","5","2","5","1") = "4"
    & skf21("3","4","1","3","5","2","6","1") = "5"
    & skf21("3","4","1","3","5","2","7","1") = "6"
    & skf21("3","4","1","3","5","3","1","1") = "4"
    & skf21("3","4","1","3","5","3","2","1") = "4"
    & skf21("3","4","1","3","5","3","3","1") = "4"
    & skf21("3","4","1","3","5","3","4","1") = "4"
    & skf21("3","4","1","3","5","3","5","1") = "4"
    & skf21("3","4","1","3","5","3","6","1") = "5"
    & skf21("3","4","1","3","5","3","7","1") = "6"
    & skf21("3","4","1","3","5","4","1","1") = "4"
    & skf21("3","4","1","3","5","4","2","1") = "4"
    & skf21("3","4","1","3","5","4","3","1") = "4"
    & skf21("3","4","1","3","5","4","4","1") = "4"
    & skf21("3","4","1","3","5","4","5","1") = "4"
    & skf21("3","4","1","3","5","4","6","1") = "5"
    & skf21("3","4","1","3","5","4","7","1") = "6"
    & skf21("3","4","1","3","5","5","1","1") = "4"
    & skf21("3","4","1","3","5","5","2","1") = "4"
    & skf21("3","4","1","3","5","5","3","1") = "4"
    & skf21("3","4","1","3","5","5","4","1") = "4"
    & skf21("3","4","1","3","5","5","5","1") = "4"
    & skf21("3","4","1","3","5","5","6","1") = "5"
    & skf21("3","4","1","3","5","5","7","1") = "6"
    & skf21("3","4","1","3","5","6","1","1") = "5"
    & skf21("3","4","1","3","5","6","2","1") = "5"
    & skf21("3","4","1","3","5","6","3","1") = "5"
    & skf21("3","4","1","3","5","6","4","1") = "5"
    & skf21("3","4","1","3","5","6","5","1") = "5"
    & skf21("3","4","1","3","5","6","6","1") = "5"
    & skf21("3","4","1","3","5","6","7","1") = "6"
    & skf21("3","4","1","3","5","7","1","1") = "6"
    & skf21("3","4","1","3","5","7","2","1") = "6"
    & skf21("3","4","1","3","5","7","3","1") = "6"
    & skf21("3","4","1","3","5","7","4","1") = "6"
    & skf21("3","4","1","3","5","7","5","1") = "6"
    & skf21("3","4","1","3","5","7","6","1") = "6"
    & skf21("3","4","1","3","5","7","7","1") = "6"
    & skf21("3","4","1","3","6","1","1","1") = "5"
    & skf21("3","4","1","3","6","1","2","1") = "5"
    & skf21("3","4","1","3","6","1","3","1") = "5"
    & skf21("3","4","1","3","6","1","4","1") = "5"
    & skf21("3","4","1","3","6","1","5","1") = "5"
    & skf21("3","4","1","3","6","1","6","1") = "5"
    & skf21("3","4","1","3","6","1","7","1") = "6"
    & skf21("3","4","1","3","6","2","1","1") = "5"
    & skf21("3","4","1","3","6","2","2","1") = "5"
    & skf21("3","4","1","3","6","2","3","1") = "5"
    & skf21("3","4","1","3","6","2","4","1") = "5"
    & skf21("3","4","1","3","6","2","5","1") = "5"
    & skf21("3","4","1","3","6","2","6","1") = "5"
    & skf21("3","4","1","3","6","2","7","1") = "6"
    & skf21("3","4","1","3","6","3","1","1") = "5"
    & skf21("3","4","1","3","6","3","2","1") = "5"
    & skf21("3","4","1","3","6","3","3","1") = "5"
    & skf21("3","4","1","3","6","3","4","1") = "5"
    & skf21("3","4","1","3","6","3","5","1") = "5"
    & skf21("3","4","1","3","6","3","6","1") = "5"
    & skf21("3","4","1","3","6","3","7","1") = "6"
    & skf21("3","4","1","3","6","4","1","1") = "5"
    & skf21("3","4","1","3","6","4","2","1") = "5"
    & skf21("3","4","1","3","6","4","3","1") = "5"
    & skf21("3","4","1","3","6","4","4","1") = "5"
    & skf21("3","4","1","3","6","4","5","1") = "5"
    & skf21("3","4","1","3","6","4","6","1") = "5"
    & skf21("3","4","1","3","6","4","7","1") = "6"
    & skf21("3","4","1","3","6","5","1","1") = "5"
    & skf21("3","4","1","3","6","5","2","1") = "5"
    & skf21("3","4","1","3","6","5","3","1") = "5"
    & skf21("3","4","1","3","6","5","4","1") = "5"
    & skf21("3","4","1","3","6","5","5","1") = "5"
    & skf21("3","4","1","3","6","5","6","1") = "5"
    & skf21("3","4","1","3","6","5","7","1") = "6"
    & skf21("3","4","1","3","6","6","1","1") = "5"
    & skf21("3","4","1","3","6","6","2","1") = "5"
    & skf21("3","4","1","3","6","6","3","1") = "5"
    & skf21("3","4","1","3","6","6","4","1") = "5"
    & skf21("3","4","1","3","6","6","5","1") = "5"
    & skf21("3","4","1","3","6","6","6","1") = "5"
    & skf21("3","4","1","3","6","6","7","1") = "6"
    & skf21("3","4","1","3","6","7","1","1") = "6"
    & skf21("3","4","1","3","6","7","2","1") = "6"
    & skf21("3","4","1","3","6","7","3","1") = "6"
    & skf21("3","4","1","3","6","7","4","1") = "6"
    & skf21("3","4","1","3","6","7","5","1") = "6"
    & skf21("3","4","1","3","6","7","6","1") = "6"
    & skf21("3","4","1","3","6","7","7","1") = "6"
    & skf21("3","4","1","3","7","1","1","1") = "6"
    & skf21("3","4","1","3","7","1","2","1") = "6"
    & skf21("3","4","1","3","7","1","3","1") = "6"
    & skf21("3","4","1","3","7","1","4","1") = "6"
    & skf21("3","4","1","3","7","1","5","1") = "6"
    & skf21("3","4","1","3","7","1","6","1") = "6"
    & skf21("3","4","1","3","7","1","7","1") = "6"
    & skf21("3","4","1","3","7","2","1","1") = "6"
    & skf21("3","4","1","3","7","2","2","1") = "6"
    & skf21("3","4","1","3","7","2","3","1") = "6"
    & skf21("3","4","1","3","7","2","4","1") = "6"
    & skf21("3","4","1","3","7","2","5","1") = "6"
    & skf21("3","4","1","3","7","2","6","1") = "6"
    & skf21("3","4","1","3","7","2","7","1") = "6"
    & skf21("3","4","1","3","7","3","1","1") = "6"
    & skf21("3","4","1","3","7","3","2","1") = "6"
    & skf21("3","4","1","3","7","3","3","1") = "6"
    & skf21("3","4","1","3","7","3","4","1") = "6"
    & skf21("3","4","1","3","7","3","5","1") = "6"
    & skf21("3","4","1","3","7","3","6","1") = "6"
    & skf21("3","4","1","3","7","3","7","1") = "6"
    & skf21("3","4","1","3","7","4","1","1") = "6"
    & skf21("3","4","1","3","7","4","2","1") = "6"
    & skf21("3","4","1","3","7","4","3","1") = "6"
    & skf21("3","4","1","3","7","4","4","1") = "6"
    & skf21("3","4","1","3","7","4","5","1") = "6"
    & skf21("3","4","1","3","7","4","6","1") = "6"
    & skf21("3","4","1","3","7","4","7","1") = "6"
    & skf21("3","4","1","3","7","5","1","1") = "6"
    & skf21("3","4","1","3","7","5","2","1") = "6"
    & skf21("3","4","1","3","7","5","3","1") = "6"
    & skf21("3","4","1","3","7","5","4","1") = "6"
    & skf21("3","4","1","3","7","5","5","1") = "6"
    & skf21("3","4","1","3","7","5","6","1") = "6"
    & skf21("3","4","1","3","7","5","7","1") = "6"
    & skf21("3","4","1","3","7","6","1","1") = "6"
    & skf21("3","4","1","3","7","6","2","1") = "6"
    & skf21("3","4","1","3","7","6","3","1") = "6"
    & skf21("3","4","1","3","7","6","4","1") = "6"
    & skf21("3","4","1","3","7","6","5","1") = "6"
    & skf21("3","4","1","3","7","6","6","1") = "6"
    & skf21("3","4","1","3","7","6","7","1") = "6"
    & skf21("3","4","1","3","7","7","1","1") = "6"
    & skf21("3","4","1","3","7","7","2","1") = "6"
    & skf21("3","4","1","3","7","7","3","1") = "6"
    & skf21("3","4","1","3","7","7","4","1") = "6"
    & skf21("3","4","1","3","7","7","5","1") = "6"
    & skf21("3","4","1","3","7","7","6","1") = "6"
    & skf21("3","4","1","3","7","7","7","1") = "6"
    & skf21("3","4","1","4","1","1","1","1") = "3"
    & skf21("3","4","1","4","1","1","2","1") = "3"
    & skf21("3","4","1","4","1","1","3","1") = "3"
    & skf21("3","4","1","4","1","1","4","1") = "3"
    & skf21("3","4","1","4","1","1","5","1") = "4"
    & skf21("3","4","1","4","1","1","6","1") = "5"
    & skf21("3","4","1","4","1","1","7","1") = "6"
    & skf21("3","4","1","4","1","2","1","1") = "3"
    & skf21("3","4","1","4","1","2","2","1") = "3"
    & skf21("3","4","1","4","1","2","3","1") = "3"
    & skf21("3","4","1","4","1","2","4","1") = "3"
    & skf21("3","4","1","4","1","2","5","1") = "4"
    & skf21("3","4","1","4","1","2","6","1") = "5"
    & skf21("3","4","1","4","1","2","7","1") = "6"
    & skf21("3","4","1","4","1","3","1","1") = "3"
    & skf21("3","4","1","4","1","3","2","1") = "3"
    & skf21("3","4","1","4","1","3","3","1") = "3"
    & skf21("3","4","1","4","1","3","4","1") = "3"
    & skf21("3","4","1","4","1","3","5","1") = "4"
    & skf21("3","4","1","4","1","3","6","1") = "5"
    & skf21("3","4","1","4","1","3","7","1") = "6"
    & skf21("3","4","1","4","1","4","1","1") = "3"
    & skf21("3","4","1","4","1","4","2","1") = "3"
    & skf21("3","4","1","4","1","4","3","1") = "3"
    & skf21("3","4","1","4","1","4","4","1") = "3"
    & skf21("3","4","1","4","1","4","5","1") = "4"
    & skf21("3","4","1","4","1","4","6","1") = "5"
    & skf21("3","4","1","4","1","4","7","1") = "6"
    & skf21("3","4","1","4","1","5","1","1") = "4"
    & skf21("3","4","1","4","1","5","2","1") = "4"
    & skf21("3","4","1","4","1","5","3","1") = "4"
    & skf21("3","4","1","4","1","5","4","1") = "4"
    & skf21("3","4","1","4","1","5","5","1") = "4"
    & skf21("3","4","1","4","1","5","6","1") = "5"
    & skf21("3","4","1","4","1","5","7","1") = "6"
    & skf21("3","4","1","4","1","6","1","1") = "5"
    & skf21("3","4","1","4","1","6","2","1") = "5"
    & skf21("3","4","1","4","1","6","3","1") = "5"
    & skf21("3","4","1","4","1","6","4","1") = "5"
    & skf21("3","4","1","4","1","6","5","1") = "5"
    & skf21("3","4","1","4","1","6","6","1") = "5"
    & skf21("3","4","1","4","1","6","7","1") = "6"
    & skf21("3","4","1","4","1","7","1","1") = "6"
    & skf21("3","4","1","4","1","7","2","1") = "6"
    & skf21("3","4","1","4","1","7","3","1") = "6"
    & skf21("3","4","1","4","1","7","4","1") = "6"
    & skf21("3","4","1","4","1","7","5","1") = "6"
    & skf21("3","4","1","4","1","7","6","1") = "6"
    & skf21("3","4","1","4","1","7","7","1") = "6"
    & skf21("3","4","1","4","2","1","1","1") = "3"
    & skf21("3","4","1","4","2","1","2","1") = "3"
    & skf21("3","4","1","4","2","1","3","1") = "3"
    & skf21("3","4","1","4","2","1","4","1") = "3"
    & skf21("3","4","1","4","2","1","5","1") = "4"
    & skf21("3","4","1","4","2","1","6","1") = "5"
    & skf21("3","4","1","4","2","1","7","1") = "6"
    & skf21("3","4","1","4","2","2","1","1") = "3"
    & skf21("3","4","1","4","2","2","2","1") = "3"
    & skf21("3","4","1","4","2","2","3","1") = "3"
    & skf21("3","4","1","4","2","2","4","1") = "3"
    & skf21("3","4","1","4","2","2","5","1") = "4"
    & skf21("3","4","1","4","2","2","6","1") = "5"
    & skf21("3","4","1","4","2","2","7","1") = "6"
    & skf21("3","4","1","4","2","3","1","1") = "3"
    & skf21("3","4","1","4","2","3","2","1") = "3"
    & skf21("3","4","1","4","2","3","3","1") = "3"
    & skf21("3","4","1","4","2","3","4","1") = "3"
    & skf21("3","4","1","4","2","3","5","1") = "4"
    & skf21("3","4","1","4","2","3","6","1") = "5"
    & skf21("3","4","1","4","2","3","7","1") = "6"
    & skf21("3","4","1","4","2","4","1","1") = "3"
    & skf21("3","4","1","4","2","4","2","1") = "3"
    & skf21("3","4","1","4","2","4","3","1") = "3"
    & skf21("3","4","1","4","2","4","4","1") = "3"
    & skf21("3","4","1","4","2","4","5","1") = "4"
    & skf21("3","4","1","4","2","4","6","1") = "5"
    & skf21("3","4","1","4","2","4","7","1") = "6"
    & skf21("3","4","1","4","2","5","1","1") = "4"
    & skf21("3","4","1","4","2","5","2","1") = "4"
    & skf21("3","4","1","4","2","5","3","1") = "4"
    & skf21("3","4","1","4","2","5","4","1") = "4"
    & skf21("3","4","1","4","2","5","5","1") = "4"
    & skf21("3","4","1","4","2","5","6","1") = "5"
    & skf21("3","4","1","4","2","5","7","1") = "6"
    & skf21("3","4","1","4","2","6","1","1") = "5"
    & skf21("3","4","1","4","2","6","2","1") = "5"
    & skf21("3","4","1","4","2","6","3","1") = "5"
    & skf21("3","4","1","4","2","6","4","1") = "5"
    & skf21("3","4","1","4","2","6","5","1") = "5"
    & skf21("3","4","1","4","2","6","6","1") = "5"
    & skf21("3","4","1","4","2","6","7","1") = "6"
    & skf21("3","4","1","4","2","7","1","1") = "6"
    & skf21("3","4","1","4","2","7","2","1") = "6"
    & skf21("3","4","1","4","2","7","3","1") = "6"
    & skf21("3","4","1","4","2","7","4","1") = "6"
    & skf21("3","4","1","4","2","7","5","1") = "6"
    & skf21("3","4","1","4","2","7","6","1") = "6"
    & skf21("3","4","1","4","2","7","7","1") = "6"
    & skf21("3","4","1","4","3","1","1","1") = "3"
    & skf21("3","4","1","4","3","1","2","1") = "3"
    & skf21("3","4","1","4","3","1","3","1") = "3"
    & skf21("3","4","1","4","3","1","4","1") = "3"
    & skf21("3","4","1","4","3","1","5","1") = "4"
    & skf21("3","4","1","4","3","1","6","1") = "5"
    & skf21("3","4","1","4","3","1","7","1") = "6"
    & skf21("3","4","1","4","3","2","1","1") = "3"
    & skf21("3","4","1","4","3","2","2","1") = "3"
    & skf21("3","4","1","4","3","2","3","1") = "3"
    & skf21("3","4","1","4","3","2","4","1") = "3"
    & skf21("3","4","1","4","3","2","5","1") = "4"
    & skf21("3","4","1","4","3","2","6","1") = "5"
    & skf21("3","4","1","4","3","2","7","1") = "6"
    & skf21("3","4","1","4","3","3","1","1") = "3"
    & skf21("3","4","1","4","3","3","2","1") = "3"
    & skf21("3","4","1","4","3","3","3","1") = "3"
    & skf21("3","4","1","4","3","3","4","1") = "3"
    & skf21("3","4","1","4","3","3","5","1") = "4"
    & skf21("3","4","1","4","3","3","6","1") = "5"
    & skf21("3","4","1","4","3","3","7","1") = "6"
    & skf21("3","4","1","4","3","4","1","1") = "3"
    & skf21("3","4","1","4","3","4","2","1") = "3"
    & skf21("3","4","1","4","3","4","3","1") = "3"
    & skf21("3","4","1","4","3","4","4","1") = "3"
    & skf21("3","4","1","4","3","4","5","1") = "4"
    & skf21("3","4","1","4","3","4","6","1") = "5"
    & skf21("3","4","1","4","3","4","7","1") = "6"
    & skf21("3","4","1","4","3","5","1","1") = "4"
    & skf21("3","4","1","4","3","5","2","1") = "4"
    & skf21("3","4","1","4","3","5","3","1") = "4"
    & skf21("3","4","1","4","3","5","4","1") = "4"
    & skf21("3","4","1","4","3","5","5","1") = "4"
    & skf21("3","4","1","4","3","5","6","1") = "5"
    & skf21("3","4","1","4","3","5","7","1") = "6"
    & skf21("3","4","1","4","3","6","1","1") = "5"
    & skf21("3","4","1","4","3","6","2","1") = "5"
    & skf21("3","4","1","4","3","6","3","1") = "5"
    & skf21("3","4","1","4","3","6","4","1") = "5"
    & skf21("3","4","1","4","3","6","5","1") = "5"
    & skf21("3","4","1","4","3","6","6","1") = "5"
    & skf21("3","4","1","4","3","6","7","1") = "6"
    & skf21("3","4","1","4","3","7","1","1") = "6"
    & skf21("3","4","1","4","3","7","2","1") = "6"
    & skf21("3","4","1","4","3","7","3","1") = "6"
    & skf21("3","4","1","4","3","7","4","1") = "6"
    & skf21("3","4","1","4","3","7","5","1") = "6"
    & skf21("3","4","1","4","3","7","6","1") = "6"
    & skf21("3","4","1","4","3","7","7","1") = "6"
    & skf21("3","4","1","4","4","1","1","1") = "3"
    & skf21("3","4","1","4","4","1","2","1") = "3"
    & skf21("3","4","1","4","4","1","3","1") = "3"
    & skf21("3","4","1","4","4","1","4","1") = "3"
    & skf21("3","4","1","4","4","1","5","1") = "4"
    & skf21("3","4","1","4","4","1","6","1") = "5"
    & skf21("3","4","1","4","4","1","7","1") = "6"
    & skf21("3","4","1","4","4","2","1","1") = "3"
    & skf21("3","4","1","4","4","2","2","1") = "3"
    & skf21("3","4","1","4","4","2","3","1") = "3"
    & skf21("3","4","1","4","4","2","4","1") = "3"
    & skf21("3","4","1","4","4","2","5","1") = "4"
    & skf21("3","4","1","4","4","2","6","1") = "5"
    & skf21("3","4","1","4","4","2","7","1") = "6"
    & skf21("3","4","1","4","4","3","1","1") = "3"
    & skf21("3","4","1","4","4","3","2","1") = "3"
    & skf21("3","4","1","4","4","3","3","1") = "3"
    & skf21("3","4","1","4","4","3","4","1") = "3"
    & skf21("3","4","1","4","4","3","5","1") = "4"
    & skf21("3","4","1","4","4","3","6","1") = "5"
    & skf21("3","4","1","4","4","3","7","1") = "6"
    & skf21("3","4","1","4","4","4","1","1") = "3"
    & skf21("3","4","1","4","4","4","2","1") = "3"
    & skf21("3","4","1","4","4","4","3","1") = "3"
    & skf21("3","4","1","4","4","4","4","1") = "3"
    & skf21("3","4","1","4","4","4","5","1") = "4"
    & skf21("3","4","1","4","4","4","6","1") = "5"
    & skf21("3","4","1","4","4","4","7","1") = "6"
    & skf21("3","4","1","4","4","5","1","1") = "4"
    & skf21("3","4","1","4","4","5","2","1") = "4"
    & skf21("3","4","1","4","4","5","3","1") = "4"
    & skf21("3","4","1","4","4","5","4","1") = "4"
    & skf21("3","4","1","4","4","5","5","1") = "4"
    & skf21("3","4","1","4","4","5","6","1") = "5"
    & skf21("3","4","1","4","4","5","7","1") = "6"
    & skf21("3","4","1","4","4","6","1","1") = "5"
    & skf21("3","4","1","4","4","6","2","1") = "5"
    & skf21("3","4","1","4","4","6","3","1") = "5"
    & skf21("3","4","1","4","4","6","4","1") = "5"
    & skf21("3","4","1","4","4","6","5","1") = "5"
    & skf21("3","4","1","4","4","6","6","1") = "5"
    & skf21("3","4","1","4","4","6","7","1") = "6"
    & skf21("3","4","1","4","4","7","1","1") = "6"
    & skf21("3","4","1","4","4","7","2","1") = "6"
    & skf21("3","4","1","4","4","7","3","1") = "6"
    & skf21("3","4","1","4","4","7","4","1") = "6"
    & skf21("3","4","1","4","4","7","5","1") = "6"
    & skf21("3","4","1","4","4","7","6","1") = "6"
    & skf21("3","4","1","4","4","7","7","1") = "6"
    & skf21("3","4","1","4","5","1","1","1") = "4"
    & skf21("3","4","1","4","5","1","2","1") = "4"
    & skf21("3","4","1","4","5","1","3","1") = "4"
    & skf21("3","4","1","4","5","1","4","1") = "4"
    & skf21("3","4","1","4","5","1","5","1") = "4"
    & skf21("3","4","1","4","5","1","6","1") = "5"
    & skf21("3","4","1","4","5","1","7","1") = "6"
    & skf21("3","4","1","4","5","2","1","1") = "4"
    & skf21("3","4","1","4","5","2","2","1") = "4"
    & skf21("3","4","1","4","5","2","3","1") = "4"
    & skf21("3","4","1","4","5","2","4","1") = "4"
    & skf21("3","4","1","4","5","2","5","1") = "4"
    & skf21("3","4","1","4","5","2","6","1") = "5"
    & skf21("3","4","1","4","5","2","7","1") = "6"
    & skf21("3","4","1","4","5","3","1","1") = "4"
    & skf21("3","4","1","4","5","3","2","1") = "4"
    & skf21("3","4","1","4","5","3","3","1") = "4"
    & skf21("3","4","1","4","5","3","4","1") = "4"
    & skf21("3","4","1","4","5","3","5","1") = "4"
    & skf21("3","4","1","4","5","3","6","1") = "5"
    & skf21("3","4","1","4","5","3","7","1") = "6"
    & skf21("3","4","1","4","5","4","1","1") = "4"
    & skf21("3","4","1","4","5","4","2","1") = "4"
    & skf21("3","4","1","4","5","4","3","1") = "4"
    & skf21("3","4","1","4","5","4","4","1") = "4"
    & skf21("3","4","1","4","5","4","5","1") = "4"
    & skf21("3","4","1","4","5","4","6","1") = "5"
    & skf21("3","4","1","4","5","4","7","1") = "6"
    & skf21("3","4","1","4","5","5","1","1") = "4"
    & skf21("3","4","1","4","5","5","2","1") = "4"
    & skf21("3","4","1","4","5","5","3","1") = "4"
    & skf21("3","4","1","4","5","5","4","1") = "4"
    & skf21("3","4","1","4","5","5","5","1") = "4"
    & skf21("3","4","1","4","5","5","6","1") = "5"
    & skf21("3","4","1","4","5","5","7","1") = "6"
    & skf21("3","4","1","4","5","6","1","1") = "5"
    & skf21("3","4","1","4","5","6","2","1") = "5"
    & skf21("3","4","1","4","5","6","3","1") = "5"
    & skf21("3","4","1","4","5","6","4","1") = "5"
    & skf21("3","4","1","4","5","6","5","1") = "5"
    & skf21("3","4","1","4","5","6","6","1") = "5"
    & skf21("3","4","1","4","5","6","7","1") = "6"
    & skf21("3","4","1","4","5","7","1","1") = "6"
    & skf21("3","4","1","4","5","7","2","1") = "6"
    & skf21("3","4","1","4","5","7","3","1") = "6"
    & skf21("3","4","1","4","5","7","4","1") = "6"
    & skf21("3","4","1","4","5","7","5","1") = "6"
    & skf21("3","4","1","4","5","7","6","1") = "6"
    & skf21("3","4","1","4","5","7","7","1") = "6"
    & skf21("3","4","1","4","6","1","1","1") = "5"
    & skf21("3","4","1","4","6","1","2","1") = "5"
    & skf21("3","4","1","4","6","1","3","1") = "5"
    & skf21("3","4","1","4","6","1","4","1") = "5"
    & skf21("3","4","1","4","6","1","5","1") = "5"
    & skf21("3","4","1","4","6","1","6","1") = "5"
    & skf21("3","4","1","4","6","1","7","1") = "6"
    & skf21("3","4","1","4","6","2","1","1") = "5"
    & skf21("3","4","1","4","6","2","2","1") = "5"
    & skf21("3","4","1","4","6","2","3","1") = "5"
    & skf21("3","4","1","4","6","2","4","1") = "5"
    & skf21("3","4","1","4","6","2","5","1") = "5"
    & skf21("3","4","1","4","6","2","6","1") = "5"
    & skf21("3","4","1","4","6","2","7","1") = "6"
    & skf21("3","4","1","4","6","3","1","1") = "5"
    & skf21("3","4","1","4","6","3","2","1") = "5"
    & skf21("3","4","1","4","6","3","3","1") = "5"
    & skf21("3","4","1","4","6","3","4","1") = "5"
    & skf21("3","4","1","4","6","3","5","1") = "5"
    & skf21("3","4","1","4","6","3","6","1") = "5"
    & skf21("3","4","1","4","6","3","7","1") = "6"
    & skf21("3","4","1","4","6","4","1","1") = "5"
    & skf21("3","4","1","4","6","4","2","1") = "5"
    & skf21("3","4","1","4","6","4","3","1") = "5"
    & skf21("3","4","1","4","6","4","4","1") = "5"
    & skf21("3","4","1","4","6","4","5","1") = "5"
    & skf21("3","4","1","4","6","4","6","1") = "5"
    & skf21("3","4","1","4","6","4","7","1") = "6"
    & skf21("3","4","1","4","6","5","1","1") = "5"
    & skf21("3","4","1","4","6","5","2","1") = "5"
    & skf21("3","4","1","4","6","5","3","1") = "5"
    & skf21("3","4","1","4","6","5","4","1") = "5"
    & skf21("3","4","1","4","6","5","5","1") = "5"
    & skf21("3","4","1","4","6","5","6","1") = "5"
    & skf21("3","4","1","4","6","5","7","1") = "6"
    & skf21("3","4","1","4","6","6","1","1") = "5"
    & skf21("3","4","1","4","6","6","2","1") = "5"
    & skf21("3","4","1","4","6","6","3","1") = "5"
    & skf21("3","4","1","4","6","6","4","1") = "5"
    & skf21("3","4","1","4","6","6","5","1") = "5"
    & skf21("3","4","1","4","6","6","6","1") = "5"
    & skf21("3","4","1","4","6","6","7","1") = "6"
    & skf21("3","4","1","4","6","7","1","1") = "6"
    & skf21("3","4","1","4","6","7","2","1") = "6"
    & skf21("3","4","1","4","6","7","3","1") = "6"
    & skf21("3","4","1","4","6","7","4","1") = "6"
    & skf21("3","4","1","4","6","7","5","1") = "6"
    & skf21("3","4","1","4","6","7","6","1") = "6"
    & skf21("3","4","1","4","6","7","7","1") = "6"
    & skf21("3","4","1","4","7","1","1","1") = "6"
    & skf21("3","4","1","4","7","1","2","1") = "6"
    & skf21("3","4","1","4","7","1","3","1") = "6"
    & skf21("3","4","1","4","7","1","4","1") = "6"
    & skf21("3","4","1","4","7","1","5","1") = "6"
    & skf21("3","4","1","4","7","1","6","1") = "6"
    & skf21("3","4","1","4","7","1","7","1") = "6"
    & skf21("3","4","1","4","7","2","1","1") = "6"
    & skf21("3","4","1","4","7","2","2","1") = "6"
    & skf21("3","4","1","4","7","2","3","1") = "6"
    & skf21("3","4","1","4","7","2","4","1") = "6"
    & skf21("3","4","1","4","7","2","5","1") = "6"
    & skf21("3","4","1","4","7","2","6","1") = "6"
    & skf21("3","4","1","4","7","2","7","1") = "6"
    & skf21("3","4","1","4","7","3","1","1") = "6"
    & skf21("3","4","1","4","7","3","2","1") = "6"
    & skf21("3","4","1","4","7","3","3","1") = "6"
    & skf21("3","4","1","4","7","3","4","1") = "6"
    & skf21("3","4","1","4","7","3","5","1") = "6"
    & skf21("3","4","1","4","7","3","6","1") = "6"
    & skf21("3","4","1","4","7","3","7","1") = "6"
    & skf21("3","4","1","4","7","4","1","1") = "6"
    & skf21("3","4","1","4","7","4","2","1") = "6"
    & skf21("3","4","1","4","7","4","3","1") = "6"
    & skf21("3","4","1","4","7","4","4","1") = "6"
    & skf21("3","4","1","4","7","4","5","1") = "6"
    & skf21("3","4","1","4","7","4","6","1") = "6"
    & skf21("3","4","1","4","7","4","7","1") = "6"
    & skf21("3","4","1","4","7","5","1","1") = "6"
    & skf21("3","4","1","4","7","5","2","1") = "6"
    & skf21("3","4","1","4","7","5","3","1") = "6"
    & skf21("3","4","1","4","7","5","4","1") = "6"
    & skf21("3","4","1","4","7","5","5","1") = "6"
    & skf21("3","4","1","4","7","5","6","1") = "6"
    & skf21("3","4","1","4","7","5","7","1") = "6"
    & skf21("3","4","1","4","7","6","1","1") = "6"
    & skf21("3","4","1","4","7","6","2","1") = "6"
    & skf21("3","4","1","4","7","6","3","1") = "6"
    & skf21("3","4","1","4","7","6","4","1") = "6"
    & skf21("3","4","1","4","7","6","5","1") = "6"
    & skf21("3","4","1","4","7","6","6","1") = "6"
    & skf21("3","4","1","4","7","6","7","1") = "6"
    & skf21("3","4","1","4","7","7","1","1") = "6"
    & skf21("3","4","1","4","7","7","2","1") = "6"
    & skf21("3","4","1","4","7","7","3","1") = "6"
    & skf21("3","4","1","4","7","7","4","1") = "6"
    & skf21("3","4","1","4","7","7","5","1") = "6"
    & skf21("3","4","1","4","7","7","6","1") = "6"
    & skf21("3","4","1","4","7","7","7","1") = "6"
    & skf21("3","4","1","5","1","1","1","1") = "4"
    & skf21("3","4","1","5","1","1","2","1") = "4"
    & skf21("3","4","1","5","1","1","3","1") = "4"
    & skf21("3","4","1","5","1","1","4","1") = "4"
    & skf21("3","4","1","5","1","1","5","1") = "4"
    & skf21("3","4","1","5","1","1","6","1") = "5"
    & skf21("3","4","1","5","1","1","7","1") = "6"
    & skf21("3","4","1","5","1","2","1","1") = "4"
    & skf21("3","4","1","5","1","2","2","1") = "4"
    & skf21("3","4","1","5","1","2","3","1") = "4"
    & skf21("3","4","1","5","1","2","4","1") = "4"
    & skf21("3","4","1","5","1","2","5","1") = "4"
    & skf21("3","4","1","5","1","2","6","1") = "5"
    & skf21("3","4","1","5","1","2","7","1") = "6"
    & skf21("3","4","1","5","1","3","1","1") = "4"
    & skf21("3","4","1","5","1","3","2","1") = "4"
    & skf21("3","4","1","5","1","3","3","1") = "4"
    & skf21("3","4","1","5","1","3","4","1") = "4"
    & skf21("3","4","1","5","1","3","5","1") = "4"
    & skf21("3","4","1","5","1","3","6","1") = "5"
    & skf21("3","4","1","5","1","3","7","1") = "6"
    & skf21("3","4","1","5","1","4","1","1") = "4"
    & skf21("3","4","1","5","1","4","2","1") = "4"
    & skf21("3","4","1","5","1","4","3","1") = "4"
    & skf21("3","4","1","5","1","4","4","1") = "4"
    & skf21("3","4","1","5","1","4","5","1") = "4"
    & skf21("3","4","1","5","1","4","6","1") = "5"
    & skf21("3","4","1","5","1","4","7","1") = "6"
    & skf21("3","4","1","5","1","5","1","1") = "4"
    & skf21("3","4","1","5","1","5","2","1") = "4"
    & skf21("3","4","1","5","1","5","3","1") = "4"
    & skf21("3","4","1","5","1","5","4","1") = "4"
    & skf21("3","4","1","5","1","5","5","1") = "4"
    & skf21("3","4","1","5","1","5","6","1") = "5"
    & skf21("3","4","1","5","1","5","7","1") = "6"
    & skf21("3","4","1","5","1","6","1","1") = "5"
    & skf21("3","4","1","5","1","6","2","1") = "5"
    & skf21("3","4","1","5","1","6","3","1") = "5"
    & skf21("3","4","1","5","1","6","4","1") = "5"
    & skf21("3","4","1","5","1","6","5","1") = "5"
    & skf21("3","4","1","5","1","6","6","1") = "5"
    & skf21("3","4","1","5","1","6","7","1") = "6"
    & skf21("3","4","1","5","1","7","1","1") = "6"
    & skf21("3","4","1","5","1","7","2","1") = "6"
    & skf21("3","4","1","5","1","7","3","1") = "6"
    & skf21("3","4","1","5","1","7","4","1") = "6"
    & skf21("3","4","1","5","1","7","5","1") = "6"
    & skf21("3","4","1","5","1","7","6","1") = "6"
    & skf21("3","4","1","5","1","7","7","1") = "6"
    & skf21("3","4","1","5","2","1","1","1") = "4"
    & skf21("3","4","1","5","2","1","2","1") = "4"
    & skf21("3","4","1","5","2","1","3","1") = "4"
    & skf21("3","4","1","5","2","1","4","1") = "4"
    & skf21("3","4","1","5","2","1","5","1") = "4"
    & skf21("3","4","1","5","2","1","6","1") = "5"
    & skf21("3","4","1","5","2","1","7","1") = "6"
    & skf21("3","4","1","5","2","2","1","1") = "4"
    & skf21("3","4","1","5","2","2","2","1") = "4"
    & skf21("3","4","1","5","2","2","3","1") = "4"
    & skf21("3","4","1","5","2","2","4","1") = "4"
    & skf21("3","4","1","5","2","2","5","1") = "4"
    & skf21("3","4","1","5","2","2","6","1") = "5"
    & skf21("3","4","1","5","2","2","7","1") = "6"
    & skf21("3","4","1","5","2","3","1","1") = "4"
    & skf21("3","4","1","5","2","3","2","1") = "4"
    & skf21("3","4","1","5","2","3","3","1") = "4"
    & skf21("3","4","1","5","2","3","4","1") = "4"
    & skf21("3","4","1","5","2","3","5","1") = "4"
    & skf21("3","4","1","5","2","3","6","1") = "5"
    & skf21("3","4","1","5","2","3","7","1") = "6"
    & skf21("3","4","1","5","2","4","1","1") = "4"
    & skf21("3","4","1","5","2","4","2","1") = "4"
    & skf21("3","4","1","5","2","4","3","1") = "4"
    & skf21("3","4","1","5","2","4","4","1") = "4"
    & skf21("3","4","1","5","2","4","5","1") = "4"
    & skf21("3","4","1","5","2","4","6","1") = "5"
    & skf21("3","4","1","5","2","4","7","1") = "6"
    & skf21("3","4","1","5","2","5","1","1") = "4"
    & skf21("3","4","1","5","2","5","2","1") = "4"
    & skf21("3","4","1","5","2","5","3","1") = "4"
    & skf21("3","4","1","5","2","5","4","1") = "4"
    & skf21("3","4","1","5","2","5","5","1") = "4"
    & skf21("3","4","1","5","2","5","6","1") = "5"
    & skf21("3","4","1","5","2","5","7","1") = "6"
    & skf21("3","4","1","5","2","6","1","1") = "5"
    & skf21("3","4","1","5","2","6","2","1") = "5"
    & skf21("3","4","1","5","2","6","3","1") = "5"
    & skf21("3","4","1","5","2","6","4","1") = "5"
    & skf21("3","4","1","5","2","6","5","1") = "5"
    & skf21("3","4","1","5","2","6","6","1") = "5"
    & skf21("3","4","1","5","2","6","7","1") = "6"
    & skf21("3","4","1","5","2","7","1","1") = "6"
    & skf21("3","4","1","5","2","7","2","1") = "6"
    & skf21("3","4","1","5","2","7","3","1") = "6"
    & skf21("3","4","1","5","2","7","4","1") = "6"
    & skf21("3","4","1","5","2","7","5","1") = "6"
    & skf21("3","4","1","5","2","7","6","1") = "6"
    & skf21("3","4","1","5","2","7","7","1") = "6"
    & skf21("3","4","1","5","3","1","1","1") = "4"
    & skf21("3","4","1","5","3","1","2","1") = "4"
    & skf21("3","4","1","5","3","1","3","1") = "4"
    & skf21("3","4","1","5","3","1","4","1") = "4"
    & skf21("3","4","1","5","3","1","5","1") = "4"
    & skf21("3","4","1","5","3","1","6","1") = "5"
    & skf21("3","4","1","5","3","1","7","1") = "6"
    & skf21("3","4","1","5","3","2","1","1") = "4"
    & skf21("3","4","1","5","3","2","2","1") = "4"
    & skf21("3","4","1","5","3","2","3","1") = "4"
    & skf21("3","4","1","5","3","2","4","1") = "4"
    & skf21("3","4","1","5","3","2","5","1") = "4"
    & skf21("3","4","1","5","3","2","6","1") = "5"
    & skf21("3","4","1","5","3","2","7","1") = "6"
    & skf21("3","4","1","5","3","3","1","1") = "4"
    & skf21("3","4","1","5","3","3","2","1") = "4"
    & skf21("3","4","1","5","3","3","3","1") = "4"
    & skf21("3","4","1","5","3","3","4","1") = "4"
    & skf21("3","4","1","5","3","3","5","1") = "4"
    & skf21("3","4","1","5","3","3","6","1") = "5"
    & skf21("3","4","1","5","3","3","7","1") = "6"
    & skf21("3","4","1","5","3","4","1","1") = "4"
    & skf21("3","4","1","5","3","4","2","1") = "4"
    & skf21("3","4","1","5","3","4","3","1") = "4"
    & skf21("3","4","1","5","3","4","4","1") = "4"
    & skf21("3","4","1","5","3","4","5","1") = "4"
    & skf21("3","4","1","5","3","4","6","1") = "5"
    & skf21("3","4","1","5","3","4","7","1") = "6"
    & skf21("3","4","1","5","3","5","1","1") = "4"
    & skf21("3","4","1","5","3","5","2","1") = "4"
    & skf21("3","4","1","5","3","5","3","1") = "4"
    & skf21("3","4","1","5","3","5","4","1") = "4"
    & skf21("3","4","1","5","3","5","5","1") = "4"
    & skf21("3","4","1","5","3","5","6","1") = "5"
    & skf21("3","4","1","5","3","5","7","1") = "6"
    & skf21("3","4","1","5","3","6","1","1") = "5"
    & skf21("3","4","1","5","3","6","2","1") = "5"
    & skf21("3","4","1","5","3","6","3","1") = "5"
    & skf21("3","4","1","5","3","6","4","1") = "5"
    & skf21("3","4","1","5","3","6","5","1") = "5"
    & skf21("3","4","1","5","3","6","6","1") = "5"
    & skf21("3","4","1","5","3","6","7","1") = "6"
    & skf21("3","4","1","5","3","7","1","1") = "6"
    & skf21("3","4","1","5","3","7","2","1") = "6"
    & skf21("3","4","1","5","3","7","3","1") = "6"
    & skf21("3","4","1","5","3","7","4","1") = "6"
    & skf21("3","4","1","5","3","7","5","1") = "6"
    & skf21("3","4","1","5","3","7","6","1") = "6"
    & skf21("3","4","1","5","3","7","7","1") = "6"
    & skf21("3","4","1","5","4","1","1","1") = "4"
    & skf21("3","4","1","5","4","1","2","1") = "4"
    & skf21("3","4","1","5","4","1","3","1") = "4"
    & skf21("3","4","1","5","4","1","4","1") = "4"
    & skf21("3","4","1","5","4","1","5","1") = "4"
    & skf21("3","4","1","5","4","1","6","1") = "5"
    & skf21("3","4","1","5","4","1","7","1") = "6"
    & skf21("3","4","1","5","4","2","1","1") = "4"
    & skf21("3","4","1","5","4","2","2","1") = "4"
    & skf21("3","4","1","5","4","2","3","1") = "4"
    & skf21("3","4","1","5","4","2","4","1") = "4"
    & skf21("3","4","1","5","4","2","5","1") = "4"
    & skf21("3","4","1","5","4","2","6","1") = "5"
    & skf21("3","4","1","5","4","2","7","1") = "6"
    & skf21("3","4","1","5","4","3","1","1") = "4"
    & skf21("3","4","1","5","4","3","2","1") = "4"
    & skf21("3","4","1","5","4","3","3","1") = "4"
    & skf21("3","4","1","5","4","3","4","1") = "4"
    & skf21("3","4","1","5","4","3","5","1") = "4"
    & skf21("3","4","1","5","4","3","6","1") = "5"
    & skf21("3","4","1","5","4","3","7","1") = "6"
    & skf21("3","4","1","5","4","4","1","1") = "4"
    & skf21("3","4","1","5","4","4","2","1") = "4"
    & skf21("3","4","1","5","4","4","3","1") = "4"
    & skf21("3","4","1","5","4","4","4","1") = "4"
    & skf21("3","4","1","5","4","4","5","1") = "4"
    & skf21("3","4","1","5","4","4","6","1") = "5"
    & skf21("3","4","1","5","4","4","7","1") = "6"
    & skf21("3","4","1","5","4","5","1","1") = "4"
    & skf21("3","4","1","5","4","5","2","1") = "4"
    & skf21("3","4","1","5","4","5","3","1") = "4"
    & skf21("3","4","1","5","4","5","4","1") = "4"
    & skf21("3","4","1","5","4","5","5","1") = "4"
    & skf21("3","4","1","5","4","5","6","1") = "5"
    & skf21("3","4","1","5","4","5","7","1") = "6"
    & skf21("3","4","1","5","4","6","1","1") = "5"
    & skf21("3","4","1","5","4","6","2","1") = "5"
    & skf21("3","4","1","5","4","6","3","1") = "5"
    & skf21("3","4","1","5","4","6","4","1") = "5"
    & skf21("3","4","1","5","4","6","5","1") = "5"
    & skf21("3","4","1","5","4","6","6","1") = "5"
    & skf21("3","4","1","5","4","6","7","1") = "6"
    & skf21("3","4","1","5","4","7","1","1") = "6"
    & skf21("3","4","1","5","4","7","2","1") = "6"
    & skf21("3","4","1","5","4","7","3","1") = "6"
    & skf21("3","4","1","5","4","7","4","1") = "6"
    & skf21("3","4","1","5","4","7","5","1") = "6"
    & skf21("3","4","1","5","4","7","6","1") = "6"
    & skf21("3","4","1","5","4","7","7","1") = "6"
    & skf21("3","4","1","5","5","1","1","1") = "4"
    & skf21("3","4","1","5","5","1","2","1") = "4"
    & skf21("3","4","1","5","5","1","3","1") = "4"
    & skf21("3","4","1","5","5","1","4","1") = "4"
    & skf21("3","4","1","5","5","1","5","1") = "4"
    & skf21("3","4","1","5","5","1","6","1") = "5"
    & skf21("3","4","1","5","5","1","7","1") = "6"
    & skf21("3","4","1","5","5","2","1","1") = "4"
    & skf21("3","4","1","5","5","2","2","1") = "4"
    & skf21("3","4","1","5","5","2","3","1") = "4"
    & skf21("3","4","1","5","5","2","4","1") = "4"
    & skf21("3","4","1","5","5","2","5","1") = "4"
    & skf21("3","4","1","5","5","2","6","1") = "5"
    & skf21("3","4","1","5","5","2","7","1") = "6"
    & skf21("3","4","1","5","5","3","1","1") = "4"
    & skf21("3","4","1","5","5","3","2","1") = "4"
    & skf21("3","4","1","5","5","3","3","1") = "4"
    & skf21("3","4","1","5","5","3","4","1") = "4"
    & skf21("3","4","1","5","5","3","5","1") = "4"
    & skf21("3","4","1","5","5","3","6","1") = "5"
    & skf21("3","4","1","5","5","3","7","1") = "6"
    & skf21("3","4","1","5","5","4","1","1") = "4"
    & skf21("3","4","1","5","5","4","2","1") = "4"
    & skf21("3","4","1","5","5","4","3","1") = "4"
    & skf21("3","4","1","5","5","4","4","1") = "4"
    & skf21("3","4","1","5","5","4","5","1") = "4"
    & skf21("3","4","1","5","5","4","6","1") = "5"
    & skf21("3","4","1","5","5","4","7","1") = "6"
    & skf21("3","4","1","5","5","5","1","1") = "4"
    & skf21("3","4","1","5","5","5","2","1") = "4"
    & skf21("3","4","1","5","5","5","3","1") = "4"
    & skf21("3","4","1","5","5","5","4","1") = "4"
    & skf21("3","4","1","5","5","5","5","1") = "4"
    & skf21("3","4","1","5","5","5","6","1") = "5"
    & skf21("3","4","1","5","5","5","7","1") = "6"
    & skf21("3","4","1","5","5","6","1","1") = "5"
    & skf21("3","4","1","5","5","6","2","1") = "5"
    & skf21("3","4","1","5","5","6","3","1") = "5"
    & skf21("3","4","1","5","5","6","4","1") = "5"
    & skf21("3","4","1","5","5","6","5","1") = "5"
    & skf21("3","4","1","5","5","6","6","1") = "5"
    & skf21("3","4","1","5","5","6","7","1") = "6"
    & skf21("3","4","1","5","5","7","1","1") = "6"
    & skf21("3","4","1","5","5","7","2","1") = "6"
    & skf21("3","4","1","5","5","7","3","1") = "6"
    & skf21("3","4","1","5","5","7","4","1") = "6"
    & skf21("3","4","1","5","5","7","5","1") = "6"
    & skf21("3","4","1","5","5","7","6","1") = "6"
    & skf21("3","4","1","5","5","7","7","1") = "6"
    & skf21("3","4","1","5","6","1","1","1") = "5"
    & skf21("3","4","1","5","6","1","2","1") = "5"
    & skf21("3","4","1","5","6","1","3","1") = "5"
    & skf21("3","4","1","5","6","1","4","1") = "5"
    & skf21("3","4","1","5","6","1","5","1") = "5"
    & skf21("3","4","1","5","6","1","6","1") = "5"
    & skf21("3","4","1","5","6","1","7","1") = "6"
    & skf21("3","4","1","5","6","2","1","1") = "5"
    & skf21("3","4","1","5","6","2","2","1") = "5"
    & skf21("3","4","1","5","6","2","3","1") = "5"
    & skf21("3","4","1","5","6","2","4","1") = "5"
    & skf21("3","4","1","5","6","2","5","1") = "5"
    & skf21("3","4","1","5","6","2","6","1") = "5"
    & skf21("3","4","1","5","6","2","7","1") = "6"
    & skf21("3","4","1","5","6","3","1","1") = "5"
    & skf21("3","4","1","5","6","3","2","1") = "5"
    & skf21("3","4","1","5","6","3","3","1") = "5"
    & skf21("3","4","1","5","6","3","4","1") = "5"
    & skf21("3","4","1","5","6","3","5","1") = "5"
    & skf21("3","4","1","5","6","3","6","1") = "5"
    & skf21("3","4","1","5","6","3","7","1") = "6"
    & skf21("3","4","1","5","6","4","1","1") = "5"
    & skf21("3","4","1","5","6","4","2","1") = "5"
    & skf21("3","4","1","5","6","4","3","1") = "5"
    & skf21("3","4","1","5","6","4","4","1") = "5"
    & skf21("3","4","1","5","6","4","5","1") = "5"
    & skf21("3","4","1","5","6","4","6","1") = "5"
    & skf21("3","4","1","5","6","4","7","1") = "6"
    & skf21("3","4","1","5","6","5","1","1") = "5"
    & skf21("3","4","1","5","6","5","2","1") = "5"
    & skf21("3","4","1","5","6","5","3","1") = "5"
    & skf21("3","4","1","5","6","5","4","1") = "5"
    & skf21("3","4","1","5","6","5","5","1") = "5"
    & skf21("3","4","1","5","6","5","6","1") = "5"
    & skf21("3","4","1","5","6","5","7","1") = "6"
    & skf21("3","4","1","5","6","6","1","1") = "5"
    & skf21("3","4","1","5","6","6","2","1") = "5"
    & skf21("3","4","1","5","6","6","3","1") = "5"
    & skf21("3","4","1","5","6","6","4","1") = "5"
    & skf21("3","4","1","5","6","6","5","1") = "5"
    & skf21("3","4","1","5","6","6","6","1") = "5"
    & skf21("3","4","1","5","6","6","7","1") = "6"
    & skf21("3","4","1","5","6","7","1","1") = "6"
    & skf21("3","4","1","5","6","7","2","1") = "6"
    & skf21("3","4","1","5","6","7","3","1") = "6"
    & skf21("3","4","1","5","6","7","4","1") = "6"
    & skf21("3","4","1","5","6","7","5","1") = "6"
    & skf21("3","4","1","5","6","7","6","1") = "6"
    & skf21("3","4","1","5","6","7","7","1") = "6"
    & skf21("3","4","1","5","7","1","1","1") = "6"
    & skf21("3","4","1","5","7","1","2","1") = "6"
    & skf21("3","4","1","5","7","1","3","1") = "6"
    & skf21("3","4","1","5","7","1","4","1") = "6"
    & skf21("3","4","1","5","7","1","5","1") = "6"
    & skf21("3","4","1","5","7","1","6","1") = "6"
    & skf21("3","4","1","5","7","1","7","1") = "6"
    & skf21("3","4","1","5","7","2","1","1") = "6"
    & skf21("3","4","1","5","7","2","2","1") = "6"
    & skf21("3","4","1","5","7","2","3","1") = "6"
    & skf21("3","4","1","5","7","2","4","1") = "6"
    & skf21("3","4","1","5","7","2","5","1") = "6"
    & skf21("3","4","1","5","7","2","6","1") = "6"
    & skf21("3","4","1","5","7","2","7","1") = "6"
    & skf21("3","4","1","5","7","3","1","1") = "6"
    & skf21("3","4","1","5","7","3","2","1") = "6"
    & skf21("3","4","1","5","7","3","3","1") = "6"
    & skf21("3","4","1","5","7","3","4","1") = "6"
    & skf21("3","4","1","5","7","3","5","1") = "6"
    & skf21("3","4","1","5","7","3","6","1") = "6"
    & skf21("3","4","1","5","7","3","7","1") = "6"
    & skf21("3","4","1","5","7","4","1","1") = "6"
    & skf21("3","4","1","5","7","4","2","1") = "6"
    & skf21("3","4","1","5","7","4","3","1") = "6"
    & skf21("3","4","1","5","7","4","4","1") = "6"
    & skf21("3","4","1","5","7","4","5","1") = "6"
    & skf21("3","4","1","5","7","4","6","1") = "6"
    & skf21("3","4","1","5","7","4","7","1") = "6"
    & skf21("3","4","1","5","7","5","1","1") = "6"
    & skf21("3","4","1","5","7","5","2","1") = "6"
    & skf21("3","4","1","5","7","5","3","1") = "6"
    & skf21("3","4","1","5","7","5","4","1") = "6"
    & skf21("3","4","1","5","7","5","5","1") = "6"
    & skf21("3","4","1","5","7","5","6","1") = "6"
    & skf21("3","4","1","5","7","5","7","1") = "6"
    & skf21("3","4","1","5","7","6","1","1") = "6"
    & skf21("3","4","1","5","7","6","2","1") = "6"
    & skf21("3","4","1","5","7","6","3","1") = "6"
    & skf21("3","4","1","5","7","6","4","1") = "6"
    & skf21("3","4","1","5","7","6","5","1") = "6"
    & skf21("3","4","1","5","7","6","6","1") = "6"
    & skf21("3","4","1","5","7","6","7","1") = "6"
    & skf21("3","4","1","5","7","7","1","1") = "6"
    & skf21("3","4","1","5","7","7","2","1") = "6"
    & skf21("3","4","1","5","7","7","3","1") = "6"
    & skf21("3","4","1","5","7","7","4","1") = "6"
    & skf21("3","4","1","5","7","7","5","1") = "6"
    & skf21("3","4","1","5","7","7","6","1") = "6"
    & skf21("3","4","1","5","7","7","7","1") = "6"
    & skf21("3","4","1","6","1","1","1","1") = "5"
    & skf21("3","4","1","6","1","1","2","1") = "5"
    & skf21("3","4","1","6","1","1","3","1") = "5"
    & skf21("3","4","1","6","1","1","4","1") = "5"
    & skf21("3","4","1","6","1","1","5","1") = "5"
    & skf21("3","4","1","6","1","1","6","1") = "5"
    & skf21("3","4","1","6","1","1","7","1") = "6"
    & skf21("3","4","1","6","1","2","1","1") = "5"
    & skf21("3","4","1","6","1","2","2","1") = "5"
    & skf21("3","4","1","6","1","2","3","1") = "5"
    & skf21("3","4","1","6","1","2","4","1") = "5"
    & skf21("3","4","1","6","1","2","5","1") = "5"
    & skf21("3","4","1","6","1","2","6","1") = "5"
    & skf21("3","4","1","6","1","2","7","1") = "6"
    & skf21("3","4","1","6","1","3","1","1") = "5"
    & skf21("3","4","1","6","1","3","2","1") = "5"
    & skf21("3","4","1","6","1","3","3","1") = "5"
    & skf21("3","4","1","6","1","3","4","1") = "5"
    & skf21("3","4","1","6","1","3","5","1") = "5"
    & skf21("3","4","1","6","1","3","6","1") = "5"
    & skf21("3","4","1","6","1","3","7","1") = "6"
    & skf21("3","4","1","6","1","4","1","1") = "5"
    & skf21("3","4","1","6","1","4","2","1") = "5"
    & skf21("3","4","1","6","1","4","3","1") = "5"
    & skf21("3","4","1","6","1","4","4","1") = "5"
    & skf21("3","4","1","6","1","4","5","1") = "5"
    & skf21("3","4","1","6","1","4","6","1") = "5"
    & skf21("3","4","1","6","1","4","7","1") = "6"
    & skf21("3","4","1","6","1","5","1","1") = "5"
    & skf21("3","4","1","6","1","5","2","1") = "5"
    & skf21("3","4","1","6","1","5","3","1") = "5"
    & skf21("3","4","1","6","1","5","4","1") = "5"
    & skf21("3","4","1","6","1","5","5","1") = "5"
    & skf21("3","4","1","6","1","5","6","1") = "5"
    & skf21("3","4","1","6","1","5","7","1") = "6"
    & skf21("3","4","1","6","1","6","1","1") = "5"
    & skf21("3","4","1","6","1","6","2","1") = "5"
    & skf21("3","4","1","6","1","6","3","1") = "5"
    & skf21("3","4","1","6","1","6","4","1") = "5"
    & skf21("3","4","1","6","1","6","5","1") = "5"
    & skf21("3","4","1","6","1","6","6","1") = "5"
    & skf21("3","4","1","6","1","6","7","1") = "6"
    & skf21("3","4","1","6","1","7","1","1") = "6"
    & skf21("3","4","1","6","1","7","2","1") = "6"
    & skf21("3","4","1","6","1","7","3","1") = "6"
    & skf21("3","4","1","6","1","7","4","1") = "6"
    & skf21("3","4","1","6","1","7","5","1") = "6"
    & skf21("3","4","1","6","1","7","6","1") = "6"
    & skf21("3","4","1","6","1","7","7","1") = "6"
    & skf21("3","4","1","6","2","1","1","1") = "5"
    & skf21("3","4","1","6","2","1","2","1") = "5"
    & skf21("3","4","1","6","2","1","3","1") = "5"
    & skf21("3","4","1","6","2","1","4","1") = "5"
    & skf21("3","4","1","6","2","1","5","1") = "5"
    & skf21("3","4","1","6","2","1","6","1") = "5"
    & skf21("3","4","1","6","2","1","7","1") = "6"
    & skf21("3","4","1","6","2","2","1","1") = "5"
    & skf21("3","4","1","6","2","2","2","1") = "5"
    & skf21("3","4","1","6","2","2","3","1") = "5"
    & skf21("3","4","1","6","2","2","4","1") = "5"
    & skf21("3","4","1","6","2","2","5","1") = "5"
    & skf21("3","4","1","6","2","2","6","1") = "5"
    & skf21("3","4","1","6","2","2","7","1") = "6"
    & skf21("3","4","1","6","2","3","1","1") = "5"
    & skf21("3","4","1","6","2","3","2","1") = "5"
    & skf21("3","4","1","6","2","3","3","1") = "5"
    & skf21("3","4","1","6","2","3","4","1") = "5"
    & skf21("3","4","1","6","2","3","5","1") = "5"
    & skf21("3","4","1","6","2","3","6","1") = "5"
    & skf21("3","4","1","6","2","3","7","1") = "6"
    & skf21("3","4","1","6","2","4","1","1") = "5"
    & skf21("3","4","1","6","2","4","2","1") = "5"
    & skf21("3","4","1","6","2","4","3","1") = "5"
    & skf21("3","4","1","6","2","4","4","1") = "5"
    & skf21("3","4","1","6","2","4","5","1") = "5"
    & skf21("3","4","1","6","2","4","6","1") = "5"
    & skf21("3","4","1","6","2","4","7","1") = "6"
    & skf21("3","4","1","6","2","5","1","1") = "5"
    & skf21("3","4","1","6","2","5","2","1") = "5"
    & skf21("3","4","1","6","2","5","3","1") = "5"
    & skf21("3","4","1","6","2","5","4","1") = "5"
    & skf21("3","4","1","6","2","5","5","1") = "5"
    & skf21("3","4","1","6","2","5","6","1") = "5"
    & skf21("3","4","1","6","2","5","7","1") = "6"
    & skf21("3","4","1","6","2","6","1","1") = "5"
    & skf21("3","4","1","6","2","6","2","1") = "5"
    & skf21("3","4","1","6","2","6","3","1") = "5"
    & skf21("3","4","1","6","2","6","4","1") = "5"
    & skf21("3","4","1","6","2","6","5","1") = "5"
    & skf21("3","4","1","6","2","6","6","1") = "5"
    & skf21("3","4","1","6","2","6","7","1") = "6"
    & skf21("3","4","1","6","2","7","1","1") = "6"
    & skf21("3","4","1","6","2","7","2","1") = "6"
    & skf21("3","4","1","6","2","7","3","1") = "6"
    & skf21("3","4","1","6","2","7","4","1") = "6"
    & skf21("3","4","1","6","2","7","5","1") = "6"
    & skf21("3","4","1","6","2","7","6","1") = "6"
    & skf21("3","4","1","6","2","7","7","1") = "6"
    & skf21("3","4","1","6","3","1","1","1") = "5"
    & skf21("3","4","1","6","3","1","2","1") = "5"
    & skf21("3","4","1","6","3","1","3","1") = "5"
    & skf21("3","4","1","6","3","1","4","1") = "5"
    & skf21("3","4","1","6","3","1","5","1") = "5"
    & skf21("3","4","1","6","3","1","6","1") = "5"
    & skf21("3","4","1","6","3","1","7","1") = "6"
    & skf21("3","4","1","6","3","2","1","1") = "5"
    & skf21("3","4","1","6","3","2","2","1") = "5"
    & skf21("3","4","1","6","3","2","3","1") = "5"
    & skf21("3","4","1","6","3","2","4","1") = "5"
    & skf21("3","4","1","6","3","2","5","1") = "5"
    & skf21("3","4","1","6","3","2","6","1") = "5"
    & skf21("3","4","1","6","3","2","7","1") = "6"
    & skf21("3","4","1","6","3","3","1","1") = "5"
    & skf21("3","4","1","6","3","3","2","1") = "5"
    & skf21("3","4","1","6","3","3","3","1") = "5"
    & skf21("3","4","1","6","3","3","4","1") = "5"
    & skf21("3","4","1","6","3","3","5","1") = "5"
    & skf21("3","4","1","6","3","3","6","1") = "5"
    & skf21("3","4","1","6","3","3","7","1") = "6"
    & skf21("3","4","1","6","3","4","1","1") = "5"
    & skf21("3","4","1","6","3","4","2","1") = "5"
    & skf21("3","4","1","6","3","4","3","1") = "5"
    & skf21("3","4","1","6","3","4","4","1") = "5"
    & skf21("3","4","1","6","3","4","5","1") = "5"
    & skf21("3","4","1","6","3","4","6","1") = "5"
    & skf21("3","4","1","6","3","4","7","1") = "6"
    & skf21("3","4","1","6","3","5","1","1") = "5"
    & skf21("3","4","1","6","3","5","2","1") = "5"
    & skf21("3","4","1","6","3","5","3","1") = "5"
    & skf21("3","4","1","6","3","5","4","1") = "5"
    & skf21("3","4","1","6","3","5","5","1") = "5"
    & skf21("3","4","1","6","3","5","6","1") = "5"
    & skf21("3","4","1","6","3","5","7","1") = "6"
    & skf21("3","4","1","6","3","6","1","1") = "5"
    & skf21("3","4","1","6","3","6","2","1") = "5"
    & skf21("3","4","1","6","3","6","3","1") = "5"
    & skf21("3","4","1","6","3","6","4","1") = "5"
    & skf21("3","4","1","6","3","6","5","1") = "5"
    & skf21("3","4","1","6","3","6","6","1") = "5"
    & skf21("3","4","1","6","3","6","7","1") = "6"
    & skf21("3","4","1","6","3","7","1","1") = "6"
    & skf21("3","4","1","6","3","7","2","1") = "6"
    & skf21("3","4","1","6","3","7","3","1") = "6"
    & skf21("3","4","1","6","3","7","4","1") = "6"
    & skf21("3","4","1","6","3","7","5","1") = "6"
    & skf21("3","4","1","6","3","7","6","1") = "6"
    & skf21("3","4","1","6","3","7","7","1") = "6"
    & skf21("3","4","1","6","4","1","1","1") = "5"
    & skf21("3","4","1","6","4","1","2","1") = "5"
    & skf21("3","4","1","6","4","1","3","1") = "5"
    & skf21("3","4","1","6","4","1","4","1") = "5"
    & skf21("3","4","1","6","4","1","5","1") = "5"
    & skf21("3","4","1","6","4","1","6","1") = "5"
    & skf21("3","4","1","6","4","1","7","1") = "6"
    & skf21("3","4","1","6","4","2","1","1") = "5"
    & skf21("3","4","1","6","4","2","2","1") = "5"
    & skf21("3","4","1","6","4","2","3","1") = "5"
    & skf21("3","4","1","6","4","2","4","1") = "5"
    & skf21("3","4","1","6","4","2","5","1") = "5"
    & skf21("3","4","1","6","4","2","6","1") = "5"
    & skf21("3","4","1","6","4","2","7","1") = "6"
    & skf21("3","4","1","6","4","3","1","1") = "5"
    & skf21("3","4","1","6","4","3","2","1") = "5"
    & skf21("3","4","1","6","4","3","3","1") = "5"
    & skf21("3","4","1","6","4","3","4","1") = "5"
    & skf21("3","4","1","6","4","3","5","1") = "5"
    & skf21("3","4","1","6","4","3","6","1") = "5"
    & skf21("3","4","1","6","4","3","7","1") = "6"
    & skf21("3","4","1","6","4","4","1","1") = "5"
    & skf21("3","4","1","6","4","4","2","1") = "5"
    & skf21("3","4","1","6","4","4","3","1") = "5"
    & skf21("3","4","1","6","4","4","4","1") = "5"
    & skf21("3","4","1","6","4","4","5","1") = "5"
    & skf21("3","4","1","6","4","4","6","1") = "5"
    & skf21("3","4","1","6","4","4","7","1") = "6"
    & skf21("3","4","1","6","4","5","1","1") = "5"
    & skf21("3","4","1","6","4","5","2","1") = "5"
    & skf21("3","4","1","6","4","5","3","1") = "5"
    & skf21("3","4","1","6","4","5","4","1") = "5"
    & skf21("3","4","1","6","4","5","5","1") = "5"
    & skf21("3","4","1","6","4","5","6","1") = "5"
    & skf21("3","4","1","6","4","5","7","1") = "6"
    & skf21("3","4","1","6","4","6","1","1") = "5"
    & skf21("3","4","1","6","4","6","2","1") = "5"
    & skf21("3","4","1","6","4","6","3","1") = "5"
    & skf21("3","4","1","6","4","6","4","1") = "5"
    & skf21("3","4","1","6","4","6","5","1") = "5"
    & skf21("3","4","1","6","4","6","6","1") = "5"
    & skf21("3","4","1","6","4","6","7","1") = "6"
    & skf21("3","4","1","6","4","7","1","1") = "6"
    & skf21("3","4","1","6","4","7","2","1") = "6"
    & skf21("3","4","1","6","4","7","3","1") = "6"
    & skf21("3","4","1","6","4","7","4","1") = "6"
    & skf21("3","4","1","6","4","7","5","1") = "6"
    & skf21("3","4","1","6","4","7","6","1") = "6"
    & skf21("3","4","1","6","4","7","7","1") = "6"
    & skf21("3","4","1","6","5","1","1","1") = "5"
    & skf21("3","4","1","6","5","1","2","1") = "5"
    & skf21("3","4","1","6","5","1","3","1") = "5"
    & skf21("3","4","1","6","5","1","4","1") = "5"
    & skf21("3","4","1","6","5","1","5","1") = "5"
    & skf21("3","4","1","6","5","1","6","1") = "5"
    & skf21("3","4","1","6","5","1","7","1") = "6"
    & skf21("3","4","1","6","5","2","1","1") = "5"
    & skf21("3","4","1","6","5","2","2","1") = "5"
    & skf21("3","4","1","6","5","2","3","1") = "5"
    & skf21("3","4","1","6","5","2","4","1") = "5"
    & skf21("3","4","1","6","5","2","5","1") = "5"
    & skf21("3","4","1","6","5","2","6","1") = "5"
    & skf21("3","4","1","6","5","2","7","1") = "6"
    & skf21("3","4","1","6","5","3","1","1") = "5"
    & skf21("3","4","1","6","5","3","2","1") = "5"
    & skf21("3","4","1","6","5","3","3","1") = "5"
    & skf21("3","4","1","6","5","3","4","1") = "5"
    & skf21("3","4","1","6","5","3","5","1") = "5"
    & skf21("3","4","1","6","5","3","6","1") = "5"
    & skf21("3","4","1","6","5","3","7","1") = "6"
    & skf21("3","4","1","6","5","4","1","1") = "5"
    & skf21("3","4","1","6","5","4","2","1") = "5"
    & skf21("3","4","1","6","5","4","3","1") = "5"
    & skf21("3","4","1","6","5","4","4","1") = "5"
    & skf21("3","4","1","6","5","4","5","1") = "5"
    & skf21("3","4","1","6","5","4","6","1") = "5"
    & skf21("3","4","1","6","5","4","7","1") = "6"
    & skf21("3","4","1","6","5","5","1","1") = "5"
    & skf21("3","4","1","6","5","5","2","1") = "5"
    & skf21("3","4","1","6","5","5","3","1") = "5"
    & skf21("3","4","1","6","5","5","4","1") = "5"
    & skf21("3","4","1","6","5","5","5","1") = "5"
    & skf21("3","4","1","6","5","5","6","1") = "5"
    & skf21("3","4","1","6","5","5","7","1") = "6"
    & skf21("3","4","1","6","5","6","1","1") = "5"
    & skf21("3","4","1","6","5","6","2","1") = "5"
    & skf21("3","4","1","6","5","6","3","1") = "5"
    & skf21("3","4","1","6","5","6","4","1") = "5"
    & skf21("3","4","1","6","5","6","5","1") = "5"
    & skf21("3","4","1","6","5","6","6","1") = "5"
    & skf21("3","4","1","6","5","6","7","1") = "6"
    & skf21("3","4","1","6","5","7","1","1") = "6"
    & skf21("3","4","1","6","5","7","2","1") = "6"
    & skf21("3","4","1","6","5","7","3","1") = "6"
    & skf21("3","4","1","6","5","7","4","1") = "6"
    & skf21("3","4","1","6","5","7","5","1") = "6"
    & skf21("3","4","1","6","5","7","6","1") = "6"
    & skf21("3","4","1","6","5","7","7","1") = "6"
    & skf21("3","4","1","6","6","1","1","1") = "5"
    & skf21("3","4","1","6","6","1","2","1") = "5"
    & skf21("3","4","1","6","6","1","3","1") = "5"
    & skf21("3","4","1","6","6","1","4","1") = "5"
    & skf21("3","4","1","6","6","1","5","1") = "5"
    & skf21("3","4","1","6","6","1","6","1") = "5"
    & skf21("3","4","1","6","6","1","7","1") = "6"
    & skf21("3","4","1","6","6","2","1","1") = "5"
    & skf21("3","4","1","6","6","2","2","1") = "5"
    & skf21("3","4","1","6","6","2","3","1") = "5"
    & skf21("3","4","1","6","6","2","4","1") = "5"
    & skf21("3","4","1","6","6","2","5","1") = "5"
    & skf21("3","4","1","6","6","2","6","1") = "5"
    & skf21("3","4","1","6","6","2","7","1") = "6"
    & skf21("3","4","1","6","6","3","1","1") = "5"
    & skf21("3","4","1","6","6","3","2","1") = "5"
    & skf21("3","4","1","6","6","3","3","1") = "5"
    & skf21("3","4","1","6","6","3","4","1") = "5"
    & skf21("3","4","1","6","6","3","5","1") = "5"
    & skf21("3","4","1","6","6","3","6","1") = "5"
    & skf21("3","4","1","6","6","3","7","1") = "6"
    & skf21("3","4","1","6","6","4","1","1") = "5"
    & skf21("3","4","1","6","6","4","2","1") = "5"
    & skf21("3","4","1","6","6","4","3","1") = "5"
    & skf21("3","4","1","6","6","4","4","1") = "5"
    & skf21("3","4","1","6","6","4","5","1") = "5"
    & skf21("3","4","1","6","6","4","6","1") = "5"
    & skf21("3","4","1","6","6","4","7","1") = "6"
    & skf21("3","4","1","6","6","5","1","1") = "5"
    & skf21("3","4","1","6","6","5","2","1") = "5"
    & skf21("3","4","1","6","6","5","3","1") = "5"
    & skf21("3","4","1","6","6","5","4","1") = "5"
    & skf21("3","4","1","6","6","5","5","1") = "5"
    & skf21("3","4","1","6","6","5","6","1") = "5"
    & skf21("3","4","1","6","6","5","7","1") = "6"
    & skf21("3","4","1","6","6","6","1","1") = "5"
    & skf21("3","4","1","6","6","6","2","1") = "5"
    & skf21("3","4","1","6","6","6","3","1") = "5"
    & skf21("3","4","1","6","6","6","4","1") = "5"
    & skf21("3","4","1","6","6","6","5","1") = "5"
    & skf21("3","4","1","6","6","6","6","1") = "5"
    & skf21("3","4","1","6","6","6","7","1") = "6"
    & skf21("3","4","1","6","6","7","1","1") = "6"
    & skf21("3","4","1","6","6","7","2","1") = "6"
    & skf21("3","4","1","6","6","7","3","1") = "6"
    & skf21("3","4","1","6","6","7","4","1") = "6"
    & skf21("3","4","1","6","6","7","5","1") = "6"
    & skf21("3","4","1","6","6","7","6","1") = "6"
    & skf21("3","4","1","6","6","7","7","1") = "6"
    & skf21("3","4","1","6","7","1","1","1") = "6"
    & skf21("3","4","1","6","7","1","2","1") = "6"
    & skf21("3","4","1","6","7","1","3","1") = "6"
    & skf21("3","4","1","6","7","1","4","1") = "6"
    & skf21("3","4","1","6","7","1","5","1") = "6"
    & skf21("3","4","1","6","7","1","6","1") = "6"
    & skf21("3","4","1","6","7","1","7","1") = "6"
    & skf21("3","4","1","6","7","2","1","1") = "6"
    & skf21("3","4","1","6","7","2","2","1") = "6"
    & skf21("3","4","1","6","7","2","3","1") = "6"
    & skf21("3","4","1","6","7","2","4","1") = "6"
    & skf21("3","4","1","6","7","2","5","1") = "6"
    & skf21("3","4","1","6","7","2","6","1") = "6"
    & skf21("3","4","1","6","7","2","7","1") = "6"
    & skf21("3","4","1","6","7","3","1","1") = "6"
    & skf21("3","4","1","6","7","3","2","1") = "6"
    & skf21("3","4","1","6","7","3","3","1") = "6"
    & skf21("3","4","1","6","7","3","4","1") = "6"
    & skf21("3","4","1","6","7","3","5","1") = "6"
    & skf21("3","4","1","6","7","3","6","1") = "6"
    & skf21("3","4","1","6","7","3","7","1") = "6"
    & skf21("3","4","1","6","7","4","1","1") = "6"
    & skf21("3","4","1","6","7","4","2","1") = "6"
    & skf21("3","4","1","6","7","4","3","1") = "6"
    & skf21("3","4","1","6","7","4","4","1") = "6"
    & skf21("3","4","1","6","7","4","5","1") = "6"
    & skf21("3","4","1","6","7","4","6","1") = "6"
    & skf21("3","4","1","6","7","4","7","1") = "6"
    & skf21("3","4","1","6","7","5","1","1") = "6"
    & skf21("3","4","1","6","7","5","2","1") = "6"
    & skf21("3","4","1","6","7","5","3","1") = "6"
    & skf21("3","4","1","6","7","5","4","1") = "6"
    & skf21("3","4","1","6","7","5","5","1") = "6"
    & skf21("3","4","1","6","7","5","6","1") = "6"
    & skf21("3","4","1","6","7","5","7","1") = "6"
    & skf21("3","4","1","6","7","6","1","1") = "6"
    & skf21("3","4","1","6","7","6","2","1") = "6"
    & skf21("3","4","1","6","7","6","3","1") = "6"
    & skf21("3","4","1","6","7","6","4","1") = "6"
    & skf21("3","4","1","6","7","6","5","1") = "6"
    & skf21("3","4","1","6","7","6","6","1") = "6"
    & skf21("3","4","1","6","7","6","7","1") = "6"
    & skf21("3","4","1","6","7","7","1","1") = "6"
    & skf21("3","4","1","6","7","7","2","1") = "6"
    & skf21("3","4","1","6","7","7","3","1") = "6"
    & skf21("3","4","1","6","7","7","4","1") = "6"
    & skf21("3","4","1","6","7","7","5","1") = "6"
    & skf21("3","4","1","6","7","7","6","1") = "6"
    & skf21("3","4","1","6","7","7","7","1") = "6"
    & skf21("3","4","1","7","1","1","1","1") = "6"
    & skf21("3","4","1","7","1","1","2","1") = "6"
    & skf21("3","4","1","7","1","1","3","1") = "6"
    & skf21("3","4","1","7","1","1","4","1") = "6"
    & skf21("3","4","1","7","1","1","5","1") = "6"
    & skf21("3","4","1","7","1","1","6","1") = "6"
    & skf21("3","4","1","7","1","1","7","1") = "6"
    & skf21("3","4","1","7","1","2","1","1") = "6"
    & skf21("3","4","1","7","1","2","2","1") = "6"
    & skf21("3","4","1","7","1","2","3","1") = "6"
    & skf21("3","4","1","7","1","2","4","1") = "6"
    & skf21("3","4","1","7","1","2","5","1") = "6"
    & skf21("3","4","1","7","1","2","6","1") = "6"
    & skf21("3","4","1","7","1","2","7","1") = "6"
    & skf21("3","4","1","7","1","3","1","1") = "6"
    & skf21("3","4","1","7","1","3","2","1") = "6"
    & skf21("3","4","1","7","1","3","3","1") = "6"
    & skf21("3","4","1","7","1","3","4","1") = "6"
    & skf21("3","4","1","7","1","3","5","1") = "6"
    & skf21("3","4","1","7","1","3","6","1") = "6"
    & skf21("3","4","1","7","1","3","7","1") = "6"
    & skf21("3","4","1","7","1","4","1","1") = "6"
    & skf21("3","4","1","7","1","4","2","1") = "6"
    & skf21("3","4","1","7","1","4","3","1") = "6"
    & skf21("3","4","1","7","1","4","4","1") = "6"
    & skf21("3","4","1","7","1","4","5","1") = "6"
    & skf21("3","4","1","7","1","4","6","1") = "6"
    & skf21("3","4","1","7","1","4","7","1") = "6"
    & skf21("3","4","1","7","1","5","1","1") = "6"
    & skf21("3","4","1","7","1","5","2","1") = "6"
    & skf21("3","4","1","7","1","5","3","1") = "6"
    & skf21("3","4","1","7","1","5","4","1") = "6"
    & skf21("3","4","1","7","1","5","5","1") = "6"
    & skf21("3","4","1","7","1","5","6","1") = "6"
    & skf21("3","4","1","7","1","5","7","1") = "6"
    & skf21("3","4","1","7","1","6","1","1") = "6"
    & skf21("3","4","1","7","1","6","2","1") = "6"
    & skf21("3","4","1","7","1","6","3","1") = "6"
    & skf21("3","4","1","7","1","6","4","1") = "6"
    & skf21("3","4","1","7","1","6","5","1") = "6"
    & skf21("3","4","1","7","1","6","6","1") = "6"
    & skf21("3","4","1","7","1","6","7","1") = "6"
    & skf21("3","4","1","7","1","7","1","1") = "6"
    & skf21("3","4","1","7","1","7","2","1") = "6"
    & skf21("3","4","1","7","1","7","3","1") = "6"
    & skf21("3","4","1","7","1","7","4","1") = "6"
    & skf21("3","4","1","7","1","7","5","1") = "6"
    & skf21("3","4","1","7","1","7","6","1") = "6"
    & skf21("3","4","1","7","1","7","7","1") = "6"
    & skf21("3","4","1","7","2","1","1","1") = "6"
    & skf21("3","4","1","7","2","1","2","1") = "6"
    & skf21("3","4","1","7","2","1","3","1") = "6"
    & skf21("3","4","1","7","2","1","4","1") = "6"
    & skf21("3","4","1","7","2","1","5","1") = "6"
    & skf21("3","4","1","7","2","1","6","1") = "6"
    & skf21("3","4","1","7","2","1","7","1") = "6"
    & skf21("3","4","1","7","2","2","1","1") = "6"
    & skf21("3","4","1","7","2","2","2","1") = "6"
    & skf21("3","4","1","7","2","2","3","1") = "6"
    & skf21("3","4","1","7","2","2","4","1") = "6"
    & skf21("3","4","1","7","2","2","5","1") = "6"
    & skf21("3","4","1","7","2","2","6","1") = "6"
    & skf21("3","4","1","7","2","2","7","1") = "6"
    & skf21("3","4","1","7","2","3","1","1") = "6"
    & skf21("3","4","1","7","2","3","2","1") = "6"
    & skf21("3","4","1","7","2","3","3","1") = "6"
    & skf21("3","4","1","7","2","3","4","1") = "6"
    & skf21("3","4","1","7","2","3","5","1") = "6"
    & skf21("3","4","1","7","2","3","6","1") = "6"
    & skf21("3","4","1","7","2","3","7","1") = "6"
    & skf21("3","4","1","7","2","4","1","1") = "6"
    & skf21("3","4","1","7","2","4","2","1") = "6"
    & skf21("3","4","1","7","2","4","3","1") = "6"
    & skf21("3","4","1","7","2","4","4","1") = "6"
    & skf21("3","4","1","7","2","4","5","1") = "6"
    & skf21("3","4","1","7","2","4","6","1") = "6"
    & skf21("3","4","1","7","2","4","7","1") = "6"
    & skf21("3","4","1","7","2","5","1","1") = "6"
    & skf21("3","4","1","7","2","5","2","1") = "6"
    & skf21("3","4","1","7","2","5","3","1") = "6"
    & skf21("3","4","1","7","2","5","4","1") = "6"
    & skf21("3","4","1","7","2","5","5","1") = "6"
    & skf21("3","4","1","7","2","5","6","1") = "6"
    & skf21("3","4","1","7","2","5","7","1") = "6"
    & skf21("3","4","1","7","2","6","1","1") = "6"
    & skf21("3","4","1","7","2","6","2","1") = "6"
    & skf21("3","4","1","7","2","6","3","1") = "6"
    & skf21("3","4","1","7","2","6","4","1") = "6"
    & skf21("3","4","1","7","2","6","5","1") = "6"
    & skf21("3","4","1","7","2","6","6","1") = "6"
    & skf21("3","4","1","7","2","6","7","1") = "6"
    & skf21("3","4","1","7","2","7","1","1") = "6"
    & skf21("3","4","1","7","2","7","2","1") = "6"
    & skf21("3","4","1","7","2","7","3","1") = "6"
    & skf21("3","4","1","7","2","7","4","1") = "6"
    & skf21("3","4","1","7","2","7","5","1") = "6"
    & skf21("3","4","1","7","2","7","6","1") = "6"
    & skf21("3","4","1","7","2","7","7","1") = "6"
    & skf21("3","4","1","7","3","1","1","1") = "6"
    & skf21("3","4","1","7","3","1","2","1") = "6"
    & skf21("3","4","1","7","3","1","3","1") = "6"
    & skf21("3","4","1","7","3","1","4","1") = "6"
    & skf21("3","4","1","7","3","1","5","1") = "6"
    & skf21("3","4","1","7","3","1","6","1") = "6"
    & skf21("3","4","1","7","3","1","7","1") = "6"
    & skf21("3","4","1","7","3","2","1","1") = "6"
    & skf21("3","4","1","7","3","2","2","1") = "6"
    & skf21("3","4","1","7","3","2","3","1") = "6"
    & skf21("3","4","1","7","3","2","4","1") = "6"
    & skf21("3","4","1","7","3","2","5","1") = "6"
    & skf21("3","4","1","7","3","2","6","1") = "6"
    & skf21("3","4","1","7","3","2","7","1") = "6"
    & skf21("3","4","1","7","3","3","1","1") = "6"
    & skf21("3","4","1","7","3","3","2","1") = "6"
    & skf21("3","4","1","7","3","3","3","1") = "6"
    & skf21("3","4","1","7","3","3","4","1") = "6"
    & skf21("3","4","1","7","3","3","5","1") = "6"
    & skf21("3","4","1","7","3","3","6","1") = "6"
    & skf21("3","4","1","7","3","3","7","1") = "6"
    & skf21("3","4","1","7","3","4","1","1") = "6"
    & skf21("3","4","1","7","3","4","2","1") = "6"
    & skf21("3","4","1","7","3","4","3","1") = "6"
    & skf21("3","4","1","7","3","4","4","1") = "6"
    & skf21("3","4","1","7","3","4","5","1") = "6"
    & skf21("3","4","1","7","3","4","6","1") = "6"
    & skf21("3","4","1","7","3","4","7","1") = "6"
    & skf21("3","4","1","7","3","5","1","1") = "6"
    & skf21("3","4","1","7","3","5","2","1") = "6"
    & skf21("3","4","1","7","3","5","3","1") = "6"
    & skf21("3","4","1","7","3","5","4","1") = "6"
    & skf21("3","4","1","7","3","5","5","1") = "6"
    & skf21("3","4","1","7","3","5","6","1") = "6"
    & skf21("3","4","1","7","3","5","7","1") = "6"
    & skf21("3","4","1","7","3","6","1","1") = "6"
    & skf21("3","4","1","7","3","6","2","1") = "6"
    & skf21("3","4","1","7","3","6","3","1") = "6"
    & skf21("3","4","1","7","3","6","4","1") = "6"
    & skf21("3","4","1","7","3","6","5","1") = "6"
    & skf21("3","4","1","7","3","6","6","1") = "6"
    & skf21("3","4","1","7","3","6","7","1") = "6"
    & skf21("3","4","1","7","3","7","1","1") = "6"
    & skf21("3","4","1","7","3","7","2","1") = "6"
    & skf21("3","4","1","7","3","7","3","1") = "6"
    & skf21("3","4","1","7","3","7","4","1") = "6"
    & skf21("3","4","1","7","3","7","5","1") = "6"
    & skf21("3","4","1","7","3","7","6","1") = "6"
    & skf21("3","4","1","7","3","7","7","1") = "6"
    & skf21("3","4","1","7","4","1","1","1") = "6"
    & skf21("3","4","1","7","4","1","2","1") = "6"
    & skf21("3","4","1","7","4","1","3","1") = "6"
    & skf21("3","4","1","7","4","1","4","1") = "6"
    & skf21("3","4","1","7","4","1","5","1") = "6"
    & skf21("3","4","1","7","4","1","6","1") = "6"
    & skf21("3","4","1","7","4","1","7","1") = "6"
    & skf21("3","4","1","7","4","2","1","1") = "6"
    & skf21("3","4","1","7","4","2","2","1") = "6"
    & skf21("3","4","1","7","4","2","3","1") = "6"
    & skf21("3","4","1","7","4","2","4","1") = "6"
    & skf21("3","4","1","7","4","2","5","1") = "6"
    & skf21("3","4","1","7","4","2","6","1") = "6"
    & skf21("3","4","1","7","4","2","7","1") = "6"
    & skf21("3","4","1","7","4","3","1","1") = "6"
    & skf21("3","4","1","7","4","3","2","1") = "6"
    & skf21("3","4","1","7","4","3","3","1") = "6"
    & skf21("3","4","1","7","4","3","4","1") = "6"
    & skf21("3","4","1","7","4","3","5","1") = "6"
    & skf21("3","4","1","7","4","3","6","1") = "6"
    & skf21("3","4","1","7","4","3","7","1") = "6"
    & skf21("3","4","1","7","4","4","1","1") = "6"
    & skf21("3","4","1","7","4","4","2","1") = "6"
    & skf21("3","4","1","7","4","4","3","1") = "6"
    & skf21("3","4","1","7","4","4","4","1") = "6"
    & skf21("3","4","1","7","4","4","5","1") = "6"
    & skf21("3","4","1","7","4","4","6","1") = "6"
    & skf21("3","4","1","7","4","4","7","1") = "6"
    & skf21("3","4","1","7","4","5","1","1") = "6"
    & skf21("3","4","1","7","4","5","2","1") = "6"
    & skf21("3","4","1","7","4","5","3","1") = "6"
    & skf21("3","4","1","7","4","5","4","1") = "6"
    & skf21("3","4","1","7","4","5","5","1") = "6"
    & skf21("3","4","1","7","4","5","6","1") = "6"
    & skf21("3","4","1","7","4","5","7","1") = "6"
    & skf21("3","4","1","7","4","6","1","1") = "6"
    & skf21("3","4","1","7","4","6","2","1") = "6"
    & skf21("3","4","1","7","4","6","3","1") = "6"
    & skf21("3","4","1","7","4","6","4","1") = "6"
    & skf21("3","4","1","7","4","6","5","1") = "6"
    & skf21("3","4","1","7","4","6","6","1") = "6"
    & skf21("3","4","1","7","4","6","7","1") = "6"
    & skf21("3","4","1","7","4","7","1","1") = "6"
    & skf21("3","4","1","7","4","7","2","1") = "6"
    & skf21("3","4","1","7","4","7","3","1") = "6"
    & skf21("3","4","1","7","4","7","4","1") = "6"
    & skf21("3","4","1","7","4","7","5","1") = "6"
    & skf21("3","4","1","7","4","7","6","1") = "6"
    & skf21("3","4","1","7","4","7","7","1") = "6"
    & skf21("3","4","1","7","5","1","1","1") = "6"
    & skf21("3","4","1","7","5","1","2","1") = "6"
    & skf21("3","4","1","7","5","1","3","1") = "6"
    & skf21("3","4","1","7","5","1","4","1") = "6"
    & skf21("3","4","1","7","5","1","5","1") = "6"
    & skf21("3","4","1","7","5","1","6","1") = "6"
    & skf21("3","4","1","7","5","1","7","1") = "6"
    & skf21("3","4","1","7","5","2","1","1") = "6"
    & skf21("3","4","1","7","5","2","2","1") = "6"
    & skf21("3","4","1","7","5","2","3","1") = "6"
    & skf21("3","4","1","7","5","2","4","1") = "6"
    & skf21("3","4","1","7","5","2","5","1") = "6"
    & skf21("3","4","1","7","5","2","6","1") = "6"
    & skf21("3","4","1","7","5","2","7","1") = "6"
    & skf21("3","4","1","7","5","3","1","1") = "6"
    & skf21("3","4","1","7","5","3","2","1") = "6"
    & skf21("3","4","1","7","5","3","3","1") = "6"
    & skf21("3","4","1","7","5","3","4","1") = "6"
    & skf21("3","4","1","7","5","3","5","1") = "6"
    & skf21("3","4","1","7","5","3","6","1") = "6"
    & skf21("3","4","1","7","5","3","7","1") = "6"
    & skf21("3","4","1","7","5","4","1","1") = "6"
    & skf21("3","4","1","7","5","4","2","1") = "6"
    & skf21("3","4","1","7","5","4","3","1") = "6"
    & skf21("3","4","1","7","5","4","4","1") = "6"
    & skf21("3","4","1","7","5","4","5","1") = "6"
    & skf21("3","4","1","7","5","4","6","1") = "6"
    & skf21("3","4","1","7","5","4","7","1") = "6"
    & skf21("3","4","1","7","5","5","1","1") = "6"
    & skf21("3","4","1","7","5","5","2","1") = "6"
    & skf21("3","4","1","7","5","5","3","1") = "6"
    & skf21("3","4","1","7","5","5","4","1") = "6"
    & skf21("3","4","1","7","5","5","5","1") = "6"
    & skf21("3","4","1","7","5","5","6","1") = "6"
    & skf21("3","4","1","7","5","5","7","1") = "6"
    & skf21("3","4","1","7","5","6","1","1") = "6"
    & skf21("3","4","1","7","5","6","2","1") = "6"
    & skf21("3","4","1","7","5","6","3","1") = "6"
    & skf21("3","4","1","7","5","6","4","1") = "6"
    & skf21("3","4","1","7","5","6","5","1") = "6"
    & skf21("3","4","1","7","5","6","6","1") = "6"
    & skf21("3","4","1","7","5","6","7","1") = "6"
    & skf21("3","4","1","7","5","7","1","1") = "6"
    & skf21("3","4","1","7","5","7","2","1") = "6"
    & skf21("3","4","1","7","5","7","3","1") = "6"
    & skf21("3","4","1","7","5","7","4","1") = "6"
    & skf21("3","4","1","7","5","7","5","1") = "6"
    & skf21("3","4","1","7","5","7","6","1") = "6"
    & skf21("3","4","1","7","5","7","7","1") = "6"
    & skf21("3","4","1","7","6","1","1","1") = "6"
    & skf21("3","4","1","7","6","1","2","1") = "6"
    & skf21("3","4","1","7","6","1","3","1") = "6"
    & skf21("3","4","1","7","6","1","4","1") = "6"
    & skf21("3","4","1","7","6","1","5","1") = "6"
    & skf21("3","4","1","7","6","1","6","1") = "6"
    & skf21("3","4","1","7","6","1","7","1") = "6"
    & skf21("3","4","1","7","6","2","1","1") = "6"
    & skf21("3","4","1","7","6","2","2","1") = "6"
    & skf21("3","4","1","7","6","2","3","1") = "6"
    & skf21("3","4","1","7","6","2","4","1") = "6"
    & skf21("3","4","1","7","6","2","5","1") = "6"
    & skf21("3","4","1","7","6","2","6","1") = "6"
    & skf21("3","4","1","7","6","2","7","1") = "6"
    & skf21("3","4","1","7","6","3","1","1") = "6"
    & skf21("3","4","1","7","6","3","2","1") = "6"
    & skf21("3","4","1","7","6","3","3","1") = "6"
    & skf21("3","4","1","7","6","3","4","1") = "6"
    & skf21("3","4","1","7","6","3","5","1") = "6"
    & skf21("3","4","1","7","6","3","6","1") = "6"
    & skf21("3","4","1","7","6","3","7","1") = "6"
    & skf21("3","4","1","7","6","4","1","1") = "6"
    & skf21("3","4","1","7","6","4","2","1") = "6"
    & skf21("3","4","1","7","6","4","3","1") = "6"
    & skf21("3","4","1","7","6","4","4","1") = "6"
    & skf21("3","4","1","7","6","4","5","1") = "6"
    & skf21("3","4","1","7","6","4","6","1") = "6"
    & skf21("3","4","1","7","6","4","7","1") = "6"
    & skf21("3","4","1","7","6","5","1","1") = "6"
    & skf21("3","4","1","7","6","5","2","1") = "6"
    & skf21("3","4","1","7","6","5","3","1") = "6"
    & skf21("3","4","1","7","6","5","4","1") = "6"
    & skf21("3","4","1","7","6","5","5","1") = "6"
    & skf21("3","4","1","7","6","5","6","1") = "6"
    & skf21("3","4","1","7","6","5","7","1") = "6"
    & skf21("3","4","1","7","6","6","1","1") = "6"
    & skf21("3","4","1","7","6","6","2","1") = "6"
    & skf21("3","4","1","7","6","6","3","1") = "6"
    & skf21("3","4","1","7","6","6","4","1") = "6"
    & skf21("3","4","1","7","6","6","5","1") = "6"
    & skf21("3","4","1","7","6","6","6","1") = "6"
    & skf21("3","4","1","7","6","6","7","1") = "6"
    & skf21("3","4","1","7","6","7","1","1") = "6"
    & skf21("3","4","1","7","6","7","2","1") = "6"
    & skf21("3","4","1","7","6","7","3","1") = "6"
    & skf21("3","4","1","7","6","7","4","1") = "6"
    & skf21("3","4","1","7","6","7","5","1") = "6"
    & skf21("3","4","1","7","6","7","6","1") = "6"
    & skf21("3","4","1","7","6","7","7","1") = "6"
    & skf21("3","4","1","7","7","1","1","1") = "6"
    & skf21("3","4","1","7","7","1","2","1") = "6"
    & skf21("3","4","1","7","7","1","3","1") = "6"
    & skf21("3","4","1","7","7","1","4","1") = "6"
    & skf21("3","4","1","7","7","1","5","1") = "6"
    & skf21("3","4","1","7","7","1","6","1") = "6"
    & skf21("3","4","1","7","7","1","7","1") = "6"
    & skf21("3","4","1","7","7","2","1","1") = "6"
    & skf21("3","4","1","7","7","2","2","1") = "6"
    & skf21("3","4","1","7","7","2","3","1") = "6"
    & skf21("3","4","1","7","7","2","4","1") = "6"
    & skf21("3","4","1","7","7","2","5","1") = "6"
    & skf21("3","4","1","7","7","2","6","1") = "6"
    & skf21("3","4","1","7","7","2","7","1") = "6"
    & skf21("3","4","1","7","7","3","1","1") = "6"
    & skf21("3","4","1","7","7","3","2","1") = "6"
    & skf21("3","4","1","7","7","3","3","1") = "6"
    & skf21("3","4","1","7","7","3","4","1") = "6"
    & skf21("3","4","1","7","7","3","5","1") = "6"
    & skf21("3","4","1","7","7","3","6","1") = "6"
    & skf21("3","4","1","7","7","3","7","1") = "6"
    & skf21("3","4","1","7","7","4","1","1") = "6"
    & skf21("3","4","1","7","7","4","2","1") = "6"
    & skf21("3","4","1","7","7","4","3","1") = "6"
    & skf21("3","4","1","7","7","4","4","1") = "6"
    & skf21("3","4","1","7","7","4","5","1") = "6"
    & skf21("3","4","1","7","7","4","6","1") = "6"
    & skf21("3","4","1","7","7","4","7","1") = "6"
    & skf21("3","4","1","7","7","5","1","1") = "6"
    & skf21("3","4","1","7","7","5","2","1") = "6"
    & skf21("3","4","1","7","7","5","3","1") = "6"
    & skf21("3","4","1","7","7","5","4","1") = "6"
    & skf21("3","4","1","7","7","5","5","1") = "6"
    & skf21("3","4","1","7","7","5","6","1") = "6"
    & skf21("3","4","1","7","7","5","7","1") = "6"
    & skf21("3","4","1","7","7","6","1","1") = "6"
    & skf21("3","4","1","7","7","6","2","1") = "6"
    & skf21("3","4","1","7","7","6","3","1") = "6"
    & skf21("3","4","1","7","7","6","4","1") = "6"
    & skf21("3","4","1","7","7","6","5","1") = "6"
    & skf21("3","4","1","7","7","6","6","1") = "6"
    & skf21("3","4","1","7","7","6","7","1") = "6"
    & skf21("3","4","1","7","7","7","1","1") = "6"
    & skf21("3","4","1","7","7","7","2","1") = "6"
    & skf21("3","4","1","7","7","7","3","1") = "6"
    & skf21("3","4","1","7","7","7","4","1") = "6"
    & skf21("3","4","1","7","7","7","5","1") = "6"
    & skf21("3","4","1","7","7","7","6","1") = "6"
    & skf21("3","4","1","7","7","7","7","1") = "6"
    & skf21("3","4","2","1","1","1","1","1") = "3"
    & skf21("3","4","2","1","1","1","2","1") = "3"
    & skf21("3","4","2","1","1","1","3","1") = "3"
    & skf21("3","4","2","1","1","1","4","1") = "3"
    & skf21("3","4","2","1","1","1","5","1") = "4"
    & skf21("3","4","2","1","1","1","6","1") = "5"
    & skf21("3","4","2","1","1","1","7","1") = "6"
    & skf21("3","4","2","1","1","2","1","1") = "3"
    & skf21("3","4","2","1","1","2","2","1") = "3"
    & skf21("3","4","2","1","1","2","3","1") = "3"
    & skf21("3","4","2","1","1","2","4","1") = "3"
    & skf21("3","4","2","1","1","2","5","1") = "4"
    & skf21("3","4","2","1","1","2","6","1") = "5"
    & skf21("3","4","2","1","1","2","7","1") = "6"
    & skf21("3","4","2","1","1","3","1","1") = "3"
    & skf21("3","4","2","1","1","3","2","1") = "3"
    & skf21("3","4","2","1","1","3","3","1") = "3"
    & skf21("3","4","2","1","1","3","4","1") = "3"
    & skf21("3","4","2","1","1","3","5","1") = "4"
    & skf21("3","4","2","1","1","3","6","1") = "5"
    & skf21("3","4","2","1","1","3","7","1") = "6"
    & skf21("3","4","2","1","1","4","1","1") = "3"
    & skf21("3","4","2","1","1","4","2","1") = "3"
    & skf21("3","4","2","1","1","4","3","1") = "3"
    & skf21("3","4","2","1","1","4","4","1") = "3"
    & skf21("3","4","2","1","1","4","5","1") = "4"
    & skf21("3","4","2","1","1","4","6","1") = "5"
    & skf21("3","4","2","1","1","4","7","1") = "6"
    & skf21("3","4","2","1","1","5","1","1") = "4"
    & skf21("3","4","2","1","1","5","2","1") = "4"
    & skf21("3","4","2","1","1","5","3","1") = "4"
    & skf21("3","4","2","1","1","5","4","1") = "4"
    & skf21("3","4","2","1","1","5","5","1") = "4"
    & skf21("3","4","2","1","1","5","6","1") = "5"
    & skf21("3","4","2","1","1","5","7","1") = "6"
    & skf21("3","4","2","1","1","6","1","1") = "5"
    & skf21("3","4","2","1","1","6","2","1") = "5"
    & skf21("3","4","2","1","1","6","3","1") = "5"
    & skf21("3","4","2","1","1","6","4","1") = "5"
    & skf21("3","4","2","1","1","6","5","1") = "5"
    & skf21("3","4","2","1","1","6","6","1") = "5"
    & skf21("3","4","2","1","1","6","7","1") = "6"
    & skf21("3","4","2","1","1","7","1","1") = "6"
    & skf21("3","4","2","1","1","7","2","1") = "6"
    & skf21("3","4","2","1","1","7","3","1") = "6"
    & skf21("3","4","2","1","1","7","4","1") = "6"
    & skf21("3","4","2","1","1","7","5","1") = "6"
    & skf21("3","4","2","1","1","7","6","1") = "6"
    & skf21("3","4","2","1","1","7","7","1") = "6"
    & skf21("3","4","2","1","2","1","1","1") = "3"
    & skf21("3","4","2","1","2","1","2","1") = "3"
    & skf21("3","4","2","1","2","1","3","1") = "3"
    & skf21("3","4","2","1","2","1","4","1") = "3"
    & skf21("3","4","2","1","2","1","5","1") = "4"
    & skf21("3","4","2","1","2","1","6","1") = "5"
    & skf21("3","4","2","1","2","1","7","1") = "6"
    & skf21("3","4","2","1","2","2","1","1") = "3"
    & skf21("3","4","2","1","2","2","2","1") = "3"
    & skf21("3","4","2","1","2","2","3","1") = "3"
    & skf21("3","4","2","1","2","2","4","1") = "3"
    & skf21("3","4","2","1","2","2","5","1") = "4"
    & skf21("3","4","2","1","2","2","6","1") = "5"
    & skf21("3","4","2","1","2","2","7","1") = "6"
    & skf21("3","4","2","1","2","3","1","1") = "3"
    & skf21("3","4","2","1","2","3","2","1") = "3"
    & skf21("3","4","2","1","2","3","3","1") = "3"
    & skf21("3","4","2","1","2","3","4","1") = "3"
    & skf21("3","4","2","1","2","3","5","1") = "4"
    & skf21("3","4","2","1","2","3","6","1") = "5"
    & skf21("3","4","2","1","2","3","7","1") = "6"
    & skf21("3","4","2","1","2","4","1","1") = "3"
    & skf21("3","4","2","1","2","4","2","1") = "3"
    & skf21("3","4","2","1","2","4","3","1") = "3"
    & skf21("3","4","2","1","2","4","4","1") = "3"
    & skf21("3","4","2","1","2","4","5","1") = "4"
    & skf21("3","4","2","1","2","4","6","1") = "5"
    & skf21("3","4","2","1","2","4","7","1") = "6"
    & skf21("3","4","2","1","2","5","1","1") = "4"
    & skf21("3","4","2","1","2","5","2","1") = "4"
    & skf21("3","4","2","1","2","5","3","1") = "4"
    & skf21("3","4","2","1","2","5","4","1") = "4"
    & skf21("3","4","2","1","2","5","5","1") = "4"
    & skf21("3","4","2","1","2","5","6","1") = "5"
    & skf21("3","4","2","1","2","5","7","1") = "6"
    & skf21("3","4","2","1","2","6","1","1") = "5"
    & skf21("3","4","2","1","2","6","2","1") = "5"
    & skf21("3","4","2","1","2","6","3","1") = "5"
    & skf21("3","4","2","1","2","6","4","1") = "5"
    & skf21("3","4","2","1","2","6","5","1") = "5"
    & skf21("3","4","2","1","2","6","6","1") = "5"
    & skf21("3","4","2","1","2","6","7","1") = "6"
    & skf21("3","4","2","1","2","7","1","1") = "6"
    & skf21("3","4","2","1","2","7","2","1") = "6"
    & skf21("3","4","2","1","2","7","3","1") = "6"
    & skf21("3","4","2","1","2","7","4","1") = "6"
    & skf21("3","4","2","1","2","7","5","1") = "6"
    & skf21("3","4","2","1","2","7","6","1") = "6"
    & skf21("3","4","2","1","2","7","7","1") = "6"
    & skf21("3","4","2","1","3","1","1","1") = "3"
    & skf21("3","4","2","1","3","1","2","1") = "3"
    & skf21("3","4","2","1","3","1","3","1") = "3"
    & skf21("3","4","2","1","3","1","4","1") = "3"
    & skf21("3","4","2","1","3","1","5","1") = "4"
    & skf21("3","4","2","1","3","1","6","1") = "5"
    & skf21("3","4","2","1","3","1","7","1") = "6"
    & skf21("3","4","2","1","3","2","1","1") = "3"
    & skf21("3","4","2","1","3","2","2","1") = "3"
    & skf21("3","4","2","1","3","2","3","1") = "3"
    & skf21("3","4","2","1","3","2","4","1") = "3"
    & skf21("3","4","2","1","3","2","5","1") = "4"
    & skf21("3","4","2","1","3","2","6","1") = "5"
    & skf21("3","4","2","1","3","2","7","1") = "6"
    & skf21("3","4","2","1","3","3","1","1") = "3"
    & skf21("3","4","2","1","3","3","2","1") = "3"
    & skf21("3","4","2","1","3","3","3","1") = "3"
    & skf21("3","4","2","1","3","3","4","1") = "3"
    & skf21("3","4","2","1","3","3","5","1") = "4"
    & skf21("3","4","2","1","3","3","6","1") = "5"
    & skf21("3","4","2","1","3","3","7","1") = "6"
    & skf21("3","4","2","1","3","4","1","1") = "3"
    & skf21("3","4","2","1","3","4","2","1") = "3"
    & skf21("3","4","2","1","3","4","3","1") = "3"
    & skf21("3","4","2","1","3","4","4","1") = "3"
    & skf21("3","4","2","1","3","4","5","1") = "4"
    & skf21("3","4","2","1","3","4","6","1") = "5"
    & skf21("3","4","2","1","3","4","7","1") = "6"
    & skf21("3","4","2","1","3","5","1","1") = "4"
    & skf21("3","4","2","1","3","5","2","1") = "4"
    & skf21("3","4","2","1","3","5","3","1") = "4"
    & skf21("3","4","2","1","3","5","4","1") = "4"
    & skf21("3","4","2","1","3","5","5","1") = "4"
    & skf21("3","4","2","1","3","5","6","1") = "5"
    & skf21("3","4","2","1","3","5","7","1") = "6"
    & skf21("3","4","2","1","3","6","1","1") = "5"
    & skf21("3","4","2","1","3","6","2","1") = "5"
    & skf21("3","4","2","1","3","6","3","1") = "5"
    & skf21("3","4","2","1","3","6","4","1") = "5"
    & skf21("3","4","2","1","3","6","5","1") = "5"
    & skf21("3","4","2","1","3","6","6","1") = "5"
    & skf21("3","4","2","1","3","6","7","1") = "6"
    & skf21("3","4","2","1","3","7","1","1") = "6"
    & skf21("3","4","2","1","3","7","2","1") = "6"
    & skf21("3","4","2","1","3","7","3","1") = "6"
    & skf21("3","4","2","1","3","7","4","1") = "6"
    & skf21("3","4","2","1","3","7","5","1") = "6"
    & skf21("3","4","2","1","3","7","6","1") = "6"
    & skf21("3","4","2","1","3","7","7","1") = "6"
    & skf21("3","4","2","1","4","1","1","1") = "3"
    & skf21("3","4","2","1","4","1","2","1") = "3"
    & skf21("3","4","2","1","4","1","3","1") = "3"
    & skf21("3","4","2","1","4","1","4","1") = "3"
    & skf21("3","4","2","1","4","1","5","1") = "4"
    & skf21("3","4","2","1","4","1","6","1") = "5"
    & skf21("3","4","2","1","4","1","7","1") = "6"
    & skf21("3","4","2","1","4","2","1","1") = "3"
    & skf21("3","4","2","1","4","2","2","1") = "3"
    & skf21("3","4","2","1","4","2","3","1") = "3"
    & skf21("3","4","2","1","4","2","4","1") = "3"
    & skf21("3","4","2","1","4","2","5","1") = "4"
    & skf21("3","4","2","1","4","2","6","1") = "5"
    & skf21("3","4","2","1","4","2","7","1") = "6"
    & skf21("3","4","2","1","4","3","1","1") = "3"
    & skf21("3","4","2","1","4","3","2","1") = "3"
    & skf21("3","4","2","1","4","3","3","1") = "3"
    & skf21("3","4","2","1","4","3","4","1") = "3"
    & skf21("3","4","2","1","4","3","5","1") = "4"
    & skf21("3","4","2","1","4","3","6","1") = "5"
    & skf21("3","4","2","1","4","3","7","1") = "6"
    & skf21("3","4","2","1","4","4","1","1") = "3"
    & skf21("3","4","2","1","4","4","2","1") = "3"
    & skf21("3","4","2","1","4","4","3","1") = "3"
    & skf21("3","4","2","1","4","4","4","1") = "3"
    & skf21("3","4","2","1","4","4","5","1") = "4"
    & skf21("3","4","2","1","4","4","6","1") = "5"
    & skf21("3","4","2","1","4","4","7","1") = "6"
    & skf21("3","4","2","1","4","5","1","1") = "4"
    & skf21("3","4","2","1","4","5","2","1") = "4"
    & skf21("3","4","2","1","4","5","3","1") = "4"
    & skf21("3","4","2","1","4","5","4","1") = "4"
    & skf21("3","4","2","1","4","5","5","1") = "4"
    & skf21("3","4","2","1","4","5","6","1") = "5"
    & skf21("3","4","2","1","4","5","7","1") = "6"
    & skf21("3","4","2","1","4","6","1","1") = "5"
    & skf21("3","4","2","1","4","6","2","1") = "5"
    & skf21("3","4","2","1","4","6","3","1") = "5"
    & skf21("3","4","2","1","4","6","4","1") = "5"
    & skf21("3","4","2","1","4","6","5","1") = "5"
    & skf21("3","4","2","1","4","6","6","1") = "5"
    & skf21("3","4","2","1","4","6","7","1") = "6"
    & skf21("3","4","2","1","4","7","1","1") = "6"
    & skf21("3","4","2","1","4","7","2","1") = "6"
    & skf21("3","4","2","1","4","7","3","1") = "6"
    & skf21("3","4","2","1","4","7","4","1") = "6"
    & skf21("3","4","2","1","4","7","5","1") = "6"
    & skf21("3","4","2","1","4","7","6","1") = "6"
    & skf21("3","4","2","1","4","7","7","1") = "6"
    & skf21("3","4","2","1","5","1","1","1") = "4"
    & skf21("3","4","2","1","5","1","2","1") = "4"
    & skf21("3","4","2","1","5","1","3","1") = "4"
    & skf21("3","4","2","1","5","1","4","1") = "4"
    & skf21("3","4","2","1","5","1","5","1") = "4"
    & skf21("3","4","2","1","5","1","6","1") = "5"
    & skf21("3","4","2","1","5","1","7","1") = "6"
    & skf21("3","4","2","1","5","2","1","1") = "4"
    & skf21("3","4","2","1","5","2","2","1") = "4"
    & skf21("3","4","2","1","5","2","3","1") = "4"
    & skf21("3","4","2","1","5","2","4","1") = "4"
    & skf21("3","4","2","1","5","2","5","1") = "4"
    & skf21("3","4","2","1","5","2","6","1") = "5"
    & skf21("3","4","2","1","5","2","7","1") = "6"
    & skf21("3","4","2","1","5","3","1","1") = "4"
    & skf21("3","4","2","1","5","3","2","1") = "4"
    & skf21("3","4","2","1","5","3","3","1") = "4"
    & skf21("3","4","2","1","5","3","4","1") = "4"
    & skf21("3","4","2","1","5","3","5","1") = "4"
    & skf21("3","4","2","1","5","3","6","1") = "5"
    & skf21("3","4","2","1","5","3","7","1") = "6"
    & skf21("3","4","2","1","5","4","1","1") = "4"
    & skf21("3","4","2","1","5","4","2","1") = "4"
    & skf21("3","4","2","1","5","4","3","1") = "4"
    & skf21("3","4","2","1","5","4","4","1") = "4"
    & skf21("3","4","2","1","5","4","5","1") = "4"
    & skf21("3","4","2","1","5","4","6","1") = "5"
    & skf21("3","4","2","1","5","4","7","1") = "6"
    & skf21("3","4","2","1","5","5","1","1") = "4"
    & skf21("3","4","2","1","5","5","2","1") = "4"
    & skf21("3","4","2","1","5","5","3","1") = "4"
    & skf21("3","4","2","1","5","5","4","1") = "4"
    & skf21("3","4","2","1","5","5","5","1") = "4"
    & skf21("3","4","2","1","5","5","6","1") = "5"
    & skf21("3","4","2","1","5","5","7","1") = "6"
    & skf21("3","4","2","1","5","6","1","1") = "5"
    & skf21("3","4","2","1","5","6","2","1") = "5"
    & skf21("3","4","2","1","5","6","3","1") = "5"
    & skf21("3","4","2","1","5","6","4","1") = "5"
    & skf21("3","4","2","1","5","6","5","1") = "5"
    & skf21("3","4","2","1","5","6","6","1") = "5"
    & skf21("3","4","2","1","5","6","7","1") = "6"
    & skf21("3","4","2","1","5","7","1","1") = "6"
    & skf21("3","4","2","1","5","7","2","1") = "6"
    & skf21("3","4","2","1","5","7","3","1") = "6"
    & skf21("3","4","2","1","5","7","4","1") = "6"
    & skf21("3","4","2","1","5","7","5","1") = "6"
    & skf21("3","4","2","1","5","7","6","1") = "6"
    & skf21("3","4","2","1","5","7","7","1") = "6"
    & skf21("3","4","2","1","6","1","1","1") = "5"
    & skf21("3","4","2","1","6","1","2","1") = "5"
    & skf21("3","4","2","1","6","1","3","1") = "5"
    & skf21("3","4","2","1","6","1","4","1") = "5"
    & skf21("3","4","2","1","6","1","5","1") = "5"
    & skf21("3","4","2","1","6","1","6","1") = "5"
    & skf21("3","4","2","1","6","1","7","1") = "6"
    & skf21("3","4","2","1","6","2","1","1") = "5"
    & skf21("3","4","2","1","6","2","2","1") = "5"
    & skf21("3","4","2","1","6","2","3","1") = "5"
    & skf21("3","4","2","1","6","2","4","1") = "5"
    & skf21("3","4","2","1","6","2","5","1") = "5"
    & skf21("3","4","2","1","6","2","6","1") = "5"
    & skf21("3","4","2","1","6","2","7","1") = "6"
    & skf21("3","4","2","1","6","3","1","1") = "5"
    & skf21("3","4","2","1","6","3","2","1") = "5"
    & skf21("3","4","2","1","6","3","3","1") = "5"
    & skf21("3","4","2","1","6","3","4","1") = "5"
    & skf21("3","4","2","1","6","3","5","1") = "5"
    & skf21("3","4","2","1","6","3","6","1") = "5"
    & skf21("3","4","2","1","6","3","7","1") = "6"
    & skf21("3","4","2","1","6","4","1","1") = "5"
    & skf21("3","4","2","1","6","4","2","1") = "5"
    & skf21("3","4","2","1","6","4","3","1") = "5"
    & skf21("3","4","2","1","6","4","4","1") = "5"
    & skf21("3","4","2","1","6","4","5","1") = "5"
    & skf21("3","4","2","1","6","4","6","1") = "5"
    & skf21("3","4","2","1","6","4","7","1") = "6"
    & skf21("3","4","2","1","6","5","1","1") = "5"
    & skf21("3","4","2","1","6","5","2","1") = "5"
    & skf21("3","4","2","1","6","5","3","1") = "5"
    & skf21("3","4","2","1","6","5","4","1") = "5"
    & skf21("3","4","2","1","6","5","5","1") = "5"
    & skf21("3","4","2","1","6","5","6","1") = "5"
    & skf21("3","4","2","1","6","5","7","1") = "6"
    & skf21("3","4","2","1","6","6","1","1") = "5"
    & skf21("3","4","2","1","6","6","2","1") = "5"
    & skf21("3","4","2","1","6","6","3","1") = "5"
    & skf21("3","4","2","1","6","6","4","1") = "5"
    & skf21("3","4","2","1","6","6","5","1") = "5"
    & skf21("3","4","2","1","6","6","6","1") = "5"
    & skf21("3","4","2","1","6","6","7","1") = "6"
    & skf21("3","4","2","1","6","7","1","1") = "6"
    & skf21("3","4","2","1","6","7","2","1") = "6"
    & skf21("3","4","2","1","6","7","3","1") = "6"
    & skf21("3","4","2","1","6","7","4","1") = "6"
    & skf21("3","4","2","1","6","7","5","1") = "6"
    & skf21("3","4","2","1","6","7","6","1") = "6"
    & skf21("3","4","2","1","6","7","7","1") = "6"
    & skf21("3","4","2","1","7","1","1","1") = "6"
    & skf21("3","4","2","1","7","1","2","1") = "6"
    & skf21("3","4","2","1","7","1","3","1") = "6"
    & skf21("3","4","2","1","7","1","4","1") = "6"
    & skf21("3","4","2","1","7","1","5","1") = "6"
    & skf21("3","4","2","1","7","1","6","1") = "6"
    & skf21("3","4","2","1","7","1","7","1") = "6"
    & skf21("3","4","2","1","7","2","1","1") = "6"
    & skf21("3","4","2","1","7","2","2","1") = "6"
    & skf21("3","4","2","1","7","2","3","1") = "6"
    & skf21("3","4","2","1","7","2","4","1") = "6"
    & skf21("3","4","2","1","7","2","5","1") = "6"
    & skf21("3","4","2","1","7","2","6","1") = "6"
    & skf21("3","4","2","1","7","2","7","1") = "6"
    & skf21("3","4","2","1","7","3","1","1") = "6"
    & skf21("3","4","2","1","7","3","2","1") = "6"
    & skf21("3","4","2","1","7","3","3","1") = "6"
    & skf21("3","4","2","1","7","3","4","1") = "6"
    & skf21("3","4","2","1","7","3","5","1") = "6"
    & skf21("3","4","2","1","7","3","6","1") = "6"
    & skf21("3","4","2","1","7","3","7","1") = "6"
    & skf21("3","4","2","1","7","4","1","1") = "6"
    & skf21("3","4","2","1","7","4","2","1") = "6"
    & skf21("3","4","2","1","7","4","3","1") = "6"
    & skf21("3","4","2","1","7","4","4","1") = "6"
    & skf21("3","4","2","1","7","4","5","1") = "6"
    & skf21("3","4","2","1","7","4","6","1") = "6"
    & skf21("3","4","2","1","7","4","7","1") = "6"
    & skf21("3","4","2","1","7","5","1","1") = "6"
    & skf21("3","4","2","1","7","5","2","1") = "6"
    & skf21("3","4","2","1","7","5","3","1") = "6"
    & skf21("3","4","2","1","7","5","4","1") = "6"
    & skf21("3","4","2","1","7","5","5","1") = "6"
    & skf21("3","4","2","1","7","5","6","1") = "6"
    & skf21("3","4","2","1","7","5","7","1") = "6"
    & skf21("3","4","2","1","7","6","1","1") = "6"
    & skf21("3","4","2","1","7","6","2","1") = "6"
    & skf21("3","4","2","1","7","6","3","1") = "6"
    & skf21("3","4","2","1","7","6","4","1") = "6"
    & skf21("3","4","2","1","7","6","5","1") = "6"
    & skf21("3","4","2","1","7","6","6","1") = "6"
    & skf21("3","4","2","1","7","6","7","1") = "6"
    & skf21("3","4","2","1","7","7","1","1") = "6"
    & skf21("3","4","2","1","7","7","2","1") = "6"
    & skf21("3","4","2","1","7","7","3","1") = "6"
    & skf21("3","4","2","1","7","7","4","1") = "6"
    & skf21("3","4","2","1","7","7","5","1") = "6"
    & skf21("3","4","2","1","7","7","6","1") = "6"
    & skf21("3","4","2","1","7","7","7","1") = "6"
    & skf21("3","4","2","2","1","1","1","1") = "3"
    & skf21("3","4","2","2","1","1","2","1") = "3"
    & skf21("3","4","2","2","1","1","3","1") = "3"
    & skf21("3","4","2","2","1","1","4","1") = "3"
    & skf21("3","4","2","2","1","1","5","1") = "4"
    & skf21("3","4","2","2","1","1","6","1") = "5"
    & skf21("3","4","2","2","1","1","7","1") = "6"
    & skf21("3","4","2","2","1","2","1","1") = "3"
    & skf21("3","4","2","2","1","2","2","1") = "3"
    & skf21("3","4","2","2","1","2","3","1") = "3"
    & skf21("3","4","2","2","1","2","4","1") = "3"
    & skf21("3","4","2","2","1","2","5","1") = "4"
    & skf21("3","4","2","2","1","2","6","1") = "5"
    & skf21("3","4","2","2","1","2","7","1") = "6"
    & skf21("3","4","2","2","1","3","1","1") = "3"
    & skf21("3","4","2","2","1","3","2","1") = "3"
    & skf21("3","4","2","2","1","3","3","1") = "3"
    & skf21("3","4","2","2","1","3","4","1") = "3"
    & skf21("3","4","2","2","1","3","5","1") = "4"
    & skf21("3","4","2","2","1","3","6","1") = "5"
    & skf21("3","4","2","2","1","3","7","1") = "6"
    & skf21("3","4","2","2","1","4","1","1") = "3"
    & skf21("3","4","2","2","1","4","2","1") = "3"
    & skf21("3","4","2","2","1","4","3","1") = "3"
    & skf21("3","4","2","2","1","4","4","1") = "3"
    & skf21("3","4","2","2","1","4","5","1") = "4"
    & skf21("3","4","2","2","1","4","6","1") = "5"
    & skf21("3","4","2","2","1","4","7","1") = "6"
    & skf21("3","4","2","2","1","5","1","1") = "4"
    & skf21("3","4","2","2","1","5","2","1") = "4"
    & skf21("3","4","2","2","1","5","3","1") = "4"
    & skf21("3","4","2","2","1","5","4","1") = "4"
    & skf21("3","4","2","2","1","5","5","1") = "4"
    & skf21("3","4","2","2","1","5","6","1") = "5"
    & skf21("3","4","2","2","1","5","7","1") = "6"
    & skf21("3","4","2","2","1","6","1","1") = "5"
    & skf21("3","4","2","2","1","6","2","1") = "5"
    & skf21("3","4","2","2","1","6","3","1") = "5"
    & skf21("3","4","2","2","1","6","4","1") = "5"
    & skf21("3","4","2","2","1","6","5","1") = "5"
    & skf21("3","4","2","2","1","6","6","1") = "5"
    & skf21("3","4","2","2","1","6","7","1") = "6"
    & skf21("3","4","2","2","1","7","1","1") = "6"
    & skf21("3","4","2","2","1","7","2","1") = "6"
    & skf21("3","4","2","2","1","7","3","1") = "6"
    & skf21("3","4","2","2","1","7","4","1") = "6"
    & skf21("3","4","2","2","1","7","5","1") = "6"
    & skf21("3","4","2","2","1","7","6","1") = "6"
    & skf21("3","4","2","2","1","7","7","1") = "6"
    & skf21("3","4","2","2","2","1","1","1") = "3"
    & skf21("3","4","2","2","2","1","2","1") = "3"
    & skf21("3","4","2","2","2","1","3","1") = "3"
    & skf21("3","4","2","2","2","1","4","1") = "3"
    & skf21("3","4","2","2","2","1","5","1") = "4"
    & skf21("3","4","2","2","2","1","6","1") = "5"
    & skf21("3","4","2","2","2","1","7","1") = "6"
    & skf21("3","4","2","2","2","2","1","1") = "3"
    & skf21("3","4","2","2","2","2","2","1") = "3"
    & skf21("3","4","2","2","2","2","3","1") = "3"
    & skf21("3","4","2","2","2","2","4","1") = "3"
    & skf21("3","4","2","2","2","2","5","1") = "4"
    & skf21("3","4","2","2","2","2","6","1") = "5"
    & skf21("3","4","2","2","2","2","7","1") = "6"
    & skf21("3","4","2","2","2","3","1","1") = "3"
    & skf21("3","4","2","2","2","3","2","1") = "3"
    & skf21("3","4","2","2","2","3","3","1") = "3"
    & skf21("3","4","2","2","2","3","4","1") = "3"
    & skf21("3","4","2","2","2","3","5","1") = "4"
    & skf21("3","4","2","2","2","3","6","1") = "5"
    & skf21("3","4","2","2","2","3","7","1") = "6"
    & skf21("3","4","2","2","2","4","1","1") = "3"
    & skf21("3","4","2","2","2","4","2","1") = "3"
    & skf21("3","4","2","2","2","4","3","1") = "3"
    & skf21("3","4","2","2","2","4","4","1") = "3"
    & skf21("3","4","2","2","2","4","5","1") = "4"
    & skf21("3","4","2","2","2","4","6","1") = "5"
    & skf21("3","4","2","2","2","4","7","1") = "6"
    & skf21("3","4","2","2","2","5","1","1") = "4"
    & skf21("3","4","2","2","2","5","2","1") = "4"
    & skf21("3","4","2","2","2","5","3","1") = "4"
    & skf21("3","4","2","2","2","5","4","1") = "4"
    & skf21("3","4","2","2","2","5","5","1") = "4"
    & skf21("3","4","2","2","2","5","6","1") = "5"
    & skf21("3","4","2","2","2","5","7","1") = "6"
    & skf21("3","4","2","2","2","6","1","1") = "5"
    & skf21("3","4","2","2","2","6","2","1") = "5"
    & skf21("3","4","2","2","2","6","3","1") = "5"
    & skf21("3","4","2","2","2","6","4","1") = "5"
    & skf21("3","4","2","2","2","6","5","1") = "5"
    & skf21("3","4","2","2","2","6","6","1") = "5"
    & skf21("3","4","2","2","2","6","7","1") = "6"
    & skf21("3","4","2","2","2","7","1","1") = "6"
    & skf21("3","4","2","2","2","7","2","1") = "6"
    & skf21("3","4","2","2","2","7","3","1") = "6"
    & skf21("3","4","2","2","2","7","4","1") = "6"
    & skf21("3","4","2","2","2","7","5","1") = "6"
    & skf21("3","4","2","2","2","7","6","1") = "6"
    & skf21("3","4","2","2","2","7","7","1") = "6"
    & skf21("3","4","2","2","3","1","1","1") = "3"
    & skf21("3","4","2","2","3","1","2","1") = "3"
    & skf21("3","4","2","2","3","1","3","1") = "3"
    & skf21("3","4","2","2","3","1","4","1") = "3"
    & skf21("3","4","2","2","3","1","5","1") = "4"
    & skf21("3","4","2","2","3","1","6","1") = "5"
    & skf21("3","4","2","2","3","1","7","1") = "6"
    & skf21("3","4","2","2","3","2","1","1") = "3"
    & skf21("3","4","2","2","3","2","2","1") = "3"
    & skf21("3","4","2","2","3","2","3","1") = "3"
    & skf21("3","4","2","2","3","2","4","1") = "3"
    & skf21("3","4","2","2","3","2","5","1") = "4"
    & skf21("3","4","2","2","3","2","6","1") = "5"
    & skf21("3","4","2","2","3","2","7","1") = "6"
    & skf21("3","4","2","2","3","3","1","1") = "3"
    & skf21("3","4","2","2","3","3","2","1") = "3"
    & skf21("3","4","2","2","3","3","3","1") = "3"
    & skf21("3","4","2","2","3","3","4","1") = "3"
    & skf21("3","4","2","2","3","3","5","1") = "4"
    & skf21("3","4","2","2","3","3","6","1") = "5"
    & skf21("3","4","2","2","3","3","7","1") = "6"
    & skf21("3","4","2","2","3","4","1","1") = "3"
    & skf21("3","4","2","2","3","4","2","1") = "3"
    & skf21("3","4","2","2","3","4","3","1") = "3"
    & skf21("3","4","2","2","3","4","4","1") = "3"
    & skf21("3","4","2","2","3","4","5","1") = "4"
    & skf21("3","4","2","2","3","4","6","1") = "5"
    & skf21("3","4","2","2","3","4","7","1") = "6"
    & skf21("3","4","2","2","3","5","1","1") = "4"
    & skf21("3","4","2","2","3","5","2","1") = "4"
    & skf21("3","4","2","2","3","5","3","1") = "4"
    & skf21("3","4","2","2","3","5","4","1") = "4"
    & skf21("3","4","2","2","3","5","5","1") = "4"
    & skf21("3","4","2","2","3","5","6","1") = "5"
    & skf21("3","4","2","2","3","5","7","1") = "6"
    & skf21("3","4","2","2","3","6","1","1") = "5"
    & skf21("3","4","2","2","3","6","2","1") = "5"
    & skf21("3","4","2","2","3","6","3","1") = "5"
    & skf21("3","4","2","2","3","6","4","1") = "5"
    & skf21("3","4","2","2","3","6","5","1") = "5"
    & skf21("3","4","2","2","3","6","6","1") = "5"
    & skf21("3","4","2","2","3","6","7","1") = "6"
    & skf21("3","4","2","2","3","7","1","1") = "6"
    & skf21("3","4","2","2","3","7","2","1") = "6"
    & skf21("3","4","2","2","3","7","3","1") = "6"
    & skf21("3","4","2","2","3","7","4","1") = "6"
    & skf21("3","4","2","2","3","7","5","1") = "6"
    & skf21("3","4","2","2","3","7","6","1") = "6"
    & skf21("3","4","2","2","3","7","7","1") = "6"
    & skf21("3","4","2","2","4","1","1","1") = "3"
    & skf21("3","4","2","2","4","1","2","1") = "3"
    & skf21("3","4","2","2","4","1","3","1") = "3"
    & skf21("3","4","2","2","4","1","4","1") = "3"
    & skf21("3","4","2","2","4","1","5","1") = "4"
    & skf21("3","4","2","2","4","1","6","1") = "5"
    & skf21("3","4","2","2","4","1","7","1") = "6"
    & skf21("3","4","2","2","4","2","1","1") = "3"
    & skf21("3","4","2","2","4","2","2","1") = "3"
    & skf21("3","4","2","2","4","2","3","1") = "3"
    & skf21("3","4","2","2","4","2","4","1") = "3"
    & skf21("3","4","2","2","4","2","5","1") = "4"
    & skf21("3","4","2","2","4","2","6","1") = "5"
    & skf21("3","4","2","2","4","2","7","1") = "6"
    & skf21("3","4","2","2","4","3","1","1") = "3"
    & skf21("3","4","2","2","4","3","2","1") = "3"
    & skf21("3","4","2","2","4","3","3","1") = "3"
    & skf21("3","4","2","2","4","3","4","1") = "3"
    & skf21("3","4","2","2","4","3","5","1") = "4"
    & skf21("3","4","2","2","4","3","6","1") = "5"
    & skf21("3","4","2","2","4","3","7","1") = "6"
    & skf21("3","4","2","2","4","4","1","1") = "3"
    & skf21("3","4","2","2","4","4","2","1") = "3"
    & skf21("3","4","2","2","4","4","3","1") = "3"
    & skf21("3","4","2","2","4","4","4","1") = "3"
    & skf21("3","4","2","2","4","4","5","1") = "4"
    & skf21("3","4","2","2","4","4","6","1") = "5"
    & skf21("3","4","2","2","4","4","7","1") = "6"
    & skf21("3","4","2","2","4","5","1","1") = "4"
    & skf21("3","4","2","2","4","5","2","1") = "4"
    & skf21("3","4","2","2","4","5","3","1") = "4"
    & skf21("3","4","2","2","4","5","4","1") = "4"
    & skf21("3","4","2","2","4","5","5","1") = "4"
    & skf21("3","4","2","2","4","5","6","1") = "5"
    & skf21("3","4","2","2","4","5","7","1") = "6"
    & skf21("3","4","2","2","4","6","1","1") = "5"
    & skf21("3","4","2","2","4","6","2","1") = "5"
    & skf21("3","4","2","2","4","6","3","1") = "5"
    & skf21("3","4","2","2","4","6","4","1") = "5"
    & skf21("3","4","2","2","4","6","5","1") = "5"
    & skf21("3","4","2","2","4","6","6","1") = "5"
    & skf21("3","4","2","2","4","6","7","1") = "6"
    & skf21("3","4","2","2","4","7","1","1") = "6"
    & skf21("3","4","2","2","4","7","2","1") = "6"
    & skf21("3","4","2","2","4","7","3","1") = "6"
    & skf21("3","4","2","2","4","7","4","1") = "6"
    & skf21("3","4","2","2","4","7","5","1") = "6"
    & skf21("3","4","2","2","4","7","6","1") = "6"
    & skf21("3","4","2","2","4","7","7","1") = "6"
    & skf21("3","4","2","2","5","1","1","1") = "4"
    & skf21("3","4","2","2","5","1","2","1") = "4"
    & skf21("3","4","2","2","5","1","3","1") = "4"
    & skf21("3","4","2","2","5","1","4","1") = "4"
    & skf21("3","4","2","2","5","1","5","1") = "4"
    & skf21("3","4","2","2","5","1","6","1") = "5"
    & skf21("3","4","2","2","5","1","7","1") = "6"
    & skf21("3","4","2","2","5","2","1","1") = "4"
    & skf21("3","4","2","2","5","2","2","1") = "4"
    & skf21("3","4","2","2","5","2","3","1") = "4"
    & skf21("3","4","2","2","5","2","4","1") = "4"
    & skf21("3","4","2","2","5","2","5","1") = "4"
    & skf21("3","4","2","2","5","2","6","1") = "5"
    & skf21("3","4","2","2","5","2","7","1") = "6"
    & skf21("3","4","2","2","5","3","1","1") = "4"
    & skf21("3","4","2","2","5","3","2","1") = "4"
    & skf21("3","4","2","2","5","3","3","1") = "4"
    & skf21("3","4","2","2","5","3","4","1") = "4"
    & skf21("3","4","2","2","5","3","5","1") = "4"
    & skf21("3","4","2","2","5","3","6","1") = "5"
    & skf21("3","4","2","2","5","3","7","1") = "6"
    & skf21("3","4","2","2","5","4","1","1") = "4"
    & skf21("3","4","2","2","5","4","2","1") = "4"
    & skf21("3","4","2","2","5","4","3","1") = "4"
    & skf21("3","4","2","2","5","4","4","1") = "4"
    & skf21("3","4","2","2","5","4","5","1") = "4"
    & skf21("3","4","2","2","5","4","6","1") = "5"
    & skf21("3","4","2","2","5","4","7","1") = "6"
    & skf21("3","4","2","2","5","5","1","1") = "4"
    & skf21("3","4","2","2","5","5","2","1") = "4"
    & skf21("3","4","2","2","5","5","3","1") = "4"
    & skf21("3","4","2","2","5","5","4","1") = "4"
    & skf21("3","4","2","2","5","5","5","1") = "4"
    & skf21("3","4","2","2","5","5","6","1") = "5"
    & skf21("3","4","2","2","5","5","7","1") = "6"
    & skf21("3","4","2","2","5","6","1","1") = "5"
    & skf21("3","4","2","2","5","6","2","1") = "5"
    & skf21("3","4","2","2","5","6","3","1") = "5"
    & skf21("3","4","2","2","5","6","4","1") = "5"
    & skf21("3","4","2","2","5","6","5","1") = "5"
    & skf21("3","4","2","2","5","6","6","1") = "5"
    & skf21("3","4","2","2","5","6","7","1") = "6"
    & skf21("3","4","2","2","5","7","1","1") = "6"
    & skf21("3","4","2","2","5","7","2","1") = "6"
    & skf21("3","4","2","2","5","7","3","1") = "6"
    & skf21("3","4","2","2","5","7","4","1") = "6"
    & skf21("3","4","2","2","5","7","5","1") = "6"
    & skf21("3","4","2","2","5","7","6","1") = "6"
    & skf21("3","4","2","2","5","7","7","1") = "6"
    & skf21("3","4","2","2","6","1","1","1") = "5"
    & skf21("3","4","2","2","6","1","2","1") = "5"
    & skf21("3","4","2","2","6","1","3","1") = "5"
    & skf21("3","4","2","2","6","1","4","1") = "5"
    & skf21("3","4","2","2","6","1","5","1") = "5"
    & skf21("3","4","2","2","6","1","6","1") = "5"
    & skf21("3","4","2","2","6","1","7","1") = "6"
    & skf21("3","4","2","2","6","2","1","1") = "5"
    & skf21("3","4","2","2","6","2","2","1") = "5"
    & skf21("3","4","2","2","6","2","3","1") = "5"
    & skf21("3","4","2","2","6","2","4","1") = "5"
    & skf21("3","4","2","2","6","2","5","1") = "5"
    & skf21("3","4","2","2","6","2","6","1") = "5"
    & skf21("3","4","2","2","6","2","7","1") = "6"
    & skf21("3","4","2","2","6","3","1","1") = "5"
    & skf21("3","4","2","2","6","3","2","1") = "5"
    & skf21("3","4","2","2","6","3","3","1") = "5"
    & skf21("3","4","2","2","6","3","4","1") = "5"
    & skf21("3","4","2","2","6","3","5","1") = "5"
    & skf21("3","4","2","2","6","3","6","1") = "5"
    & skf21("3","4","2","2","6","3","7","1") = "6"
    & skf21("3","4","2","2","6","4","1","1") = "5"
    & skf21("3","4","2","2","6","4","2","1") = "5"
    & skf21("3","4","2","2","6","4","3","1") = "5"
    & skf21("3","4","2","2","6","4","4","1") = "5"
    & skf21("3","4","2","2","6","4","5","1") = "5"
    & skf21("3","4","2","2","6","4","6","1") = "5"
    & skf21("3","4","2","2","6","4","7","1") = "6"
    & skf21("3","4","2","2","6","5","1","1") = "5"
    & skf21("3","4","2","2","6","5","2","1") = "5"
    & skf21("3","4","2","2","6","5","3","1") = "5"
    & skf21("3","4","2","2","6","5","4","1") = "5"
    & skf21("3","4","2","2","6","5","5","1") = "5"
    & skf21("3","4","2","2","6","5","6","1") = "5"
    & skf21("3","4","2","2","6","5","7","1") = "6"
    & skf21("3","4","2","2","6","6","1","1") = "5"
    & skf21("3","4","2","2","6","6","2","1") = "5"
    & skf21("3","4","2","2","6","6","3","1") = "5"
    & skf21("3","4","2","2","6","6","4","1") = "5"
    & skf21("3","4","2","2","6","6","5","1") = "5"
    & skf21("3","4","2","2","6","6","6","1") = "5"
    & skf21("3","4","2","2","6","6","7","1") = "6"
    & skf21("3","4","2","2","6","7","1","1") = "6"
    & skf21("3","4","2","2","6","7","2","1") = "6"
    & skf21("3","4","2","2","6","7","3","1") = "6"
    & skf21("3","4","2","2","6","7","4","1") = "6"
    & skf21("3","4","2","2","6","7","5","1") = "6"
    & skf21("3","4","2","2","6","7","6","1") = "6"
    & skf21("3","4","2","2","6","7","7","1") = "6"
    & skf21("3","4","2","2","7","1","1","1") = "6"
    & skf21("3","4","2","2","7","1","2","1") = "6"
    & skf21("3","4","2","2","7","1","3","1") = "6"
    & skf21("3","4","2","2","7","1","4","1") = "6"
    & skf21("3","4","2","2","7","1","5","1") = "6"
    & skf21("3","4","2","2","7","1","6","1") = "6"
    & skf21("3","4","2","2","7","1","7","1") = "6"
    & skf21("3","4","2","2","7","2","1","1") = "6"
    & skf21("3","4","2","2","7","2","2","1") = "6"
    & skf21("3","4","2","2","7","2","3","1") = "6"
    & skf21("3","4","2","2","7","2","4","1") = "6"
    & skf21("3","4","2","2","7","2","5","1") = "6"
    & skf21("3","4","2","2","7","2","6","1") = "6"
    & skf21("3","4","2","2","7","2","7","1") = "6"
    & skf21("3","4","2","2","7","3","1","1") = "6"
    & skf21("3","4","2","2","7","3","2","1") = "6"
    & skf21("3","4","2","2","7","3","3","1") = "6"
    & skf21("3","4","2","2","7","3","4","1") = "6"
    & skf21("3","4","2","2","7","3","5","1") = "6"
    & skf21("3","4","2","2","7","3","6","1") = "6"
    & skf21("3","4","2","2","7","3","7","1") = "6"
    & skf21("3","4","2","2","7","4","1","1") = "6"
    & skf21("3","4","2","2","7","4","2","1") = "6"
    & skf21("3","4","2","2","7","4","3","1") = "6"
    & skf21("3","4","2","2","7","4","4","1") = "6"
    & skf21("3","4","2","2","7","4","5","1") = "6"
    & skf21("3","4","2","2","7","4","6","1") = "6"
    & skf21("3","4","2","2","7","4","7","1") = "6"
    & skf21("3","4","2","2","7","5","1","1") = "6"
    & skf21("3","4","2","2","7","5","2","1") = "6"
    & skf21("3","4","2","2","7","5","3","1") = "6"
    & skf21("3","4","2","2","7","5","4","1") = "6"
    & skf21("3","4","2","2","7","5","5","1") = "6"
    & skf21("3","4","2","2","7","5","6","1") = "6"
    & skf21("3","4","2","2","7","5","7","1") = "6"
    & skf21("3","4","2","2","7","6","1","1") = "6"
    & skf21("3","4","2","2","7","6","2","1") = "6"
    & skf21("3","4","2","2","7","6","3","1") = "6"
    & skf21("3","4","2","2","7","6","4","1") = "6"
    & skf21("3","4","2","2","7","6","5","1") = "6"
    & skf21("3","4","2","2","7","6","6","1") = "6"
    & skf21("3","4","2","2","7","6","7","1") = "6"
    & skf21("3","4","2","2","7","7","1","1") = "6"
    & skf21("3","4","2","2","7","7","2","1") = "6"
    & skf21("3","4","2","2","7","7","3","1") = "6"
    & skf21("3","4","2","2","7","7","4","1") = "6"
    & skf21("3","4","2","2","7","7","5","1") = "6"
    & skf21("3","4","2","2","7","7","6","1") = "6"
    & skf21("3","4","2","2","7","7","7","1") = "6"
    & skf21("3","4","2","3","1","1","1","1") = "3"
    & skf21("3","4","2","3","1","1","2","1") = "3"
    & skf21("3","4","2","3","1","1","3","1") = "3"
    & skf21("3","4","2","3","1","1","4","1") = "3"
    & skf21("3","4","2","3","1","1","5","1") = "4"
    & skf21("3","4","2","3","1","1","6","1") = "5"
    & skf21("3","4","2","3","1","1","7","1") = "6"
    & skf21("3","4","2","3","1","2","1","1") = "3"
    & skf21("3","4","2","3","1","2","2","1") = "3"
    & skf21("3","4","2","3","1","2","3","1") = "3"
    & skf21("3","4","2","3","1","2","4","1") = "3"
    & skf21("3","4","2","3","1","2","5","1") = "4"
    & skf21("3","4","2","3","1","2","6","1") = "5"
    & skf21("3","4","2","3","1","2","7","1") = "6"
    & skf21("3","4","2","3","1","3","1","1") = "3"
    & skf21("3","4","2","3","1","3","2","1") = "3"
    & skf21("3","4","2","3","1","3","3","1") = "3"
    & skf21("3","4","2","3","1","3","4","1") = "3"
    & skf21("3","4","2","3","1","3","5","1") = "4"
    & skf21("3","4","2","3","1","3","6","1") = "5"
    & skf21("3","4","2","3","1","3","7","1") = "6"
    & skf21("3","4","2","3","1","4","1","1") = "3"
    & skf21("3","4","2","3","1","4","2","1") = "3"
    & skf21("3","4","2","3","1","4","3","1") = "3"
    & skf21("3","4","2","3","1","4","4","1") = "3"
    & skf21("3","4","2","3","1","4","5","1") = "4"
    & skf21("3","4","2","3","1","4","6","1") = "5"
    & skf21("3","4","2","3","1","4","7","1") = "6"
    & skf21("3","4","2","3","1","5","1","1") = "4"
    & skf21("3","4","2","3","1","5","2","1") = "4"
    & skf21("3","4","2","3","1","5","3","1") = "4"
    & skf21("3","4","2","3","1","5","4","1") = "4"
    & skf21("3","4","2","3","1","5","5","1") = "4"
    & skf21("3","4","2","3","1","5","6","1") = "5"
    & skf21("3","4","2","3","1","5","7","1") = "6"
    & skf21("3","4","2","3","1","6","1","1") = "5"
    & skf21("3","4","2","3","1","6","2","1") = "5"
    & skf21("3","4","2","3","1","6","3","1") = "5"
    & skf21("3","4","2","3","1","6","4","1") = "5"
    & skf21("3","4","2","3","1","6","5","1") = "5"
    & skf21("3","4","2","3","1","6","6","1") = "5"
    & skf21("3","4","2","3","1","6","7","1") = "6"
    & skf21("3","4","2","3","1","7","1","1") = "6"
    & skf21("3","4","2","3","1","7","2","1") = "6"
    & skf21("3","4","2","3","1","7","3","1") = "6"
    & skf21("3","4","2","3","1","7","4","1") = "6"
    & skf21("3","4","2","3","1","7","5","1") = "6"
    & skf21("3","4","2","3","1","7","6","1") = "6"
    & skf21("3","4","2","3","1","7","7","1") = "6"
    & skf21("3","4","2","3","2","1","1","1") = "3"
    & skf21("3","4","2","3","2","1","2","1") = "3"
    & skf21("3","4","2","3","2","1","3","1") = "3"
    & skf21("3","4","2","3","2","1","4","1") = "3"
    & skf21("3","4","2","3","2","1","5","1") = "4"
    & skf21("3","4","2","3","2","1","6","1") = "5"
    & skf21("3","4","2","3","2","1","7","1") = "6"
    & skf21("3","4","2","3","2","2","1","1") = "3"
    & skf21("3","4","2","3","2","2","2","1") = "3"
    & skf21("3","4","2","3","2","2","3","1") = "3"
    & skf21("3","4","2","3","2","2","4","1") = "3"
    & skf21("3","4","2","3","2","2","5","1") = "4"
    & skf21("3","4","2","3","2","2","6","1") = "5"
    & skf21("3","4","2","3","2","2","7","1") = "6"
    & skf21("3","4","2","3","2","3","1","1") = "3"
    & skf21("3","4","2","3","2","3","2","1") = "3"
    & skf21("3","4","2","3","2","3","3","1") = "3"
    & skf21("3","4","2","3","2","3","4","1") = "3"
    & skf21("3","4","2","3","2","3","5","1") = "4"
    & skf21("3","4","2","3","2","3","6","1") = "5"
    & skf21("3","4","2","3","2","3","7","1") = "6"
    & skf21("3","4","2","3","2","4","1","1") = "3"
    & skf21("3","4","2","3","2","4","2","1") = "3"
    & skf21("3","4","2","3","2","4","3","1") = "3"
    & skf21("3","4","2","3","2","4","4","1") = "3"
    & skf21("3","4","2","3","2","4","5","1") = "4"
    & skf21("3","4","2","3","2","4","6","1") = "5"
    & skf21("3","4","2","3","2","4","7","1") = "6"
    & skf21("3","4","2","3","2","5","1","1") = "4"
    & skf21("3","4","2","3","2","5","2","1") = "4"
    & skf21("3","4","2","3","2","5","3","1") = "4"
    & skf21("3","4","2","3","2","5","4","1") = "4"
    & skf21("3","4","2","3","2","5","5","1") = "4"
    & skf21("3","4","2","3","2","5","6","1") = "5"
    & skf21("3","4","2","3","2","5","7","1") = "6"
    & skf21("3","4","2","3","2","6","1","1") = "5"
    & skf21("3","4","2","3","2","6","2","1") = "5"
    & skf21("3","4","2","3","2","6","3","1") = "5"
    & skf21("3","4","2","3","2","6","4","1") = "5"
    & skf21("3","4","2","3","2","6","5","1") = "5"
    & skf21("3","4","2","3","2","6","6","1") = "5"
    & skf21("3","4","2","3","2","6","7","1") = "6"
    & skf21("3","4","2","3","2","7","1","1") = "6"
    & skf21("3","4","2","3","2","7","2","1") = "6"
    & skf21("3","4","2","3","2","7","3","1") = "6"
    & skf21("3","4","2","3","2","7","4","1") = "6"
    & skf21("3","4","2","3","2","7","5","1") = "6"
    & skf21("3","4","2","3","2","7","6","1") = "6"
    & skf21("3","4","2","3","2","7","7","1") = "6"
    & skf21("3","4","2","3","3","1","1","1") = "3"
    & skf21("3","4","2","3","3","1","2","1") = "3"
    & skf21("3","4","2","3","3","1","3","1") = "3"
    & skf21("3","4","2","3","3","1","4","1") = "3"
    & skf21("3","4","2","3","3","1","5","1") = "4"
    & skf21("3","4","2","3","3","1","6","1") = "5"
    & skf21("3","4","2","3","3","1","7","1") = "6"
    & skf21("3","4","2","3","3","2","1","1") = "3"
    & skf21("3","4","2","3","3","2","2","1") = "3"
    & skf21("3","4","2","3","3","2","3","1") = "3"
    & skf21("3","4","2","3","3","2","4","1") = "3"
    & skf21("3","4","2","3","3","2","5","1") = "4"
    & skf21("3","4","2","3","3","2","6","1") = "5"
    & skf21("3","4","2","3","3","2","7","1") = "6"
    & skf21("3","4","2","3","3","3","1","1") = "3"
    & skf21("3","4","2","3","3","3","2","1") = "3"
    & skf21("3","4","2","3","3","3","3","1") = "3"
    & skf21("3","4","2","3","3","3","4","1") = "3"
    & skf21("3","4","2","3","3","3","5","1") = "4"
    & skf21("3","4","2","3","3","3","6","1") = "5"
    & skf21("3","4","2","3","3","3","7","1") = "6"
    & skf21("3","4","2","3","3","4","1","1") = "3"
    & skf21("3","4","2","3","3","4","2","1") = "3"
    & skf21("3","4","2","3","3","4","3","1") = "3"
    & skf21("3","4","2","3","3","4","4","1") = "3"
    & skf21("3","4","2","3","3","4","5","1") = "4"
    & skf21("3","4","2","3","3","4","6","1") = "5"
    & skf21("3","4","2","3","3","4","7","1") = "6"
    & skf21("3","4","2","3","3","5","1","1") = "4"
    & skf21("3","4","2","3","3","5","2","1") = "4"
    & skf21("3","4","2","3","3","5","3","1") = "4"
    & skf21("3","4","2","3","3","5","4","1") = "4"
    & skf21("3","4","2","3","3","5","5","1") = "4"
    & skf21("3","4","2","3","3","5","6","1") = "5"
    & skf21("3","4","2","3","3","5","7","1") = "6"
    & skf21("3","4","2","3","3","6","1","1") = "5"
    & skf21("3","4","2","3","3","6","2","1") = "5"
    & skf21("3","4","2","3","3","6","3","1") = "5"
    & skf21("3","4","2","3","3","6","4","1") = "5"
    & skf21("3","4","2","3","3","6","5","1") = "5"
    & skf21("3","4","2","3","3","6","6","1") = "5"
    & skf21("3","4","2","3","3","6","7","1") = "6"
    & skf21("3","4","2","3","3","7","1","1") = "6"
    & skf21("3","4","2","3","3","7","2","1") = "6"
    & skf21("3","4","2","3","3","7","3","1") = "6"
    & skf21("3","4","2","3","3","7","4","1") = "6"
    & skf21("3","4","2","3","3","7","5","1") = "6"
    & skf21("3","4","2","3","3","7","6","1") = "6"
    & skf21("3","4","2","3","3","7","7","1") = "6"
    & skf21("3","4","2","3","4","1","1","1") = "3"
    & skf21("3","4","2","3","4","1","2","1") = "3"
    & skf21("3","4","2","3","4","1","3","1") = "3"
    & skf21("3","4","2","3","4","1","4","1") = "3"
    & skf21("3","4","2","3","4","1","5","1") = "4"
    & skf21("3","4","2","3","4","1","6","1") = "5"
    & skf21("3","4","2","3","4","1","7","1") = "6"
    & skf21("3","4","2","3","4","2","1","1") = "3"
    & skf21("3","4","2","3","4","2","2","1") = "3"
    & skf21("3","4","2","3","4","2","3","1") = "3"
    & skf21("3","4","2","3","4","2","4","1") = "3"
    & skf21("3","4","2","3","4","2","5","1") = "4"
    & skf21("3","4","2","3","4","2","6","1") = "5"
    & skf21("3","4","2","3","4","2","7","1") = "6"
    & skf21("3","4","2","3","4","3","1","1") = "3"
    & skf21("3","4","2","3","4","3","2","1") = "3"
    & skf21("3","4","2","3","4","3","3","1") = "3"
    & skf21("3","4","2","3","4","3","4","1") = "3"
    & skf21("3","4","2","3","4","3","5","1") = "4"
    & skf21("3","4","2","3","4","3","6","1") = "5"
    & skf21("3","4","2","3","4","3","7","1") = "6"
    & skf21("3","4","2","3","4","4","1","1") = "3"
    & skf21("3","4","2","3","4","4","2","1") = "3"
    & skf21("3","4","2","3","4","4","3","1") = "3"
    & skf21("3","4","2","3","4","4","4","1") = "3"
    & skf21("3","4","2","3","4","4","5","1") = "4"
    & skf21("3","4","2","3","4","4","6","1") = "5"
    & skf21("3","4","2","3","4","4","7","1") = "6"
    & skf21("3","4","2","3","4","5","1","1") = "4"
    & skf21("3","4","2","3","4","5","2","1") = "4"
    & skf21("3","4","2","3","4","5","3","1") = "4"
    & skf21("3","4","2","3","4","5","4","1") = "4"
    & skf21("3","4","2","3","4","5","5","1") = "4"
    & skf21("3","4","2","3","4","5","6","1") = "5"
    & skf21("3","4","2","3","4","5","7","1") = "6"
    & skf21("3","4","2","3","4","6","1","1") = "5"
    & skf21("3","4","2","3","4","6","2","1") = "5"
    & skf21("3","4","2","3","4","6","3","1") = "5"
    & skf21("3","4","2","3","4","6","4","1") = "5"
    & skf21("3","4","2","3","4","6","5","1") = "5"
    & skf21("3","4","2","3","4","6","6","1") = "5"
    & skf21("3","4","2","3","4","6","7","1") = "6"
    & skf21("3","4","2","3","4","7","1","1") = "6"
    & skf21("3","4","2","3","4","7","2","1") = "6"
    & skf21("3","4","2","3","4","7","3","1") = "6"
    & skf21("3","4","2","3","4","7","4","1") = "6"
    & skf21("3","4","2","3","4","7","5","1") = "6"
    & skf21("3","4","2","3","4","7","6","1") = "6"
    & skf21("3","4","2","3","4","7","7","1") = "6"
    & skf21("3","4","2","3","5","1","1","1") = "4"
    & skf21("3","4","2","3","5","1","2","1") = "4"
    & skf21("3","4","2","3","5","1","3","1") = "4"
    & skf21("3","4","2","3","5","1","4","1") = "4"
    & skf21("3","4","2","3","5","1","5","1") = "4"
    & skf21("3","4","2","3","5","1","6","1") = "5"
    & skf21("3","4","2","3","5","1","7","1") = "6"
    & skf21("3","4","2","3","5","2","1","1") = "4"
    & skf21("3","4","2","3","5","2","2","1") = "4"
    & skf21("3","4","2","3","5","2","3","1") = "4"
    & skf21("3","4","2","3","5","2","4","1") = "4"
    & skf21("3","4","2","3","5","2","5","1") = "4"
    & skf21("3","4","2","3","5","2","6","1") = "5"
    & skf21("3","4","2","3","5","2","7","1") = "6"
    & skf21("3","4","2","3","5","3","1","1") = "4"
    & skf21("3","4","2","3","5","3","2","1") = "4"
    & skf21("3","4","2","3","5","3","3","1") = "4"
    & skf21("3","4","2","3","5","3","4","1") = "4"
    & skf21("3","4","2","3","5","3","5","1") = "4"
    & skf21("3","4","2","3","5","3","6","1") = "5"
    & skf21("3","4","2","3","5","3","7","1") = "6"
    & skf21("3","4","2","3","5","4","1","1") = "4"
    & skf21("3","4","2","3","5","4","2","1") = "4"
    & skf21("3","4","2","3","5","4","3","1") = "4"
    & skf21("3","4","2","3","5","4","4","1") = "4"
    & skf21("3","4","2","3","5","4","5","1") = "4"
    & skf21("3","4","2","3","5","4","6","1") = "5"
    & skf21("3","4","2","3","5","4","7","1") = "6"
    & skf21("3","4","2","3","5","5","1","1") = "4"
    & skf21("3","4","2","3","5","5","2","1") = "4"
    & skf21("3","4","2","3","5","5","3","1") = "4"
    & skf21("3","4","2","3","5","5","4","1") = "4"
    & skf21("3","4","2","3","5","5","5","1") = "4"
    & skf21("3","4","2","3","5","5","6","1") = "5"
    & skf21("3","4","2","3","5","5","7","1") = "6"
    & skf21("3","4","2","3","5","6","1","1") = "5"
    & skf21("3","4","2","3","5","6","2","1") = "5"
    & skf21("3","4","2","3","5","6","3","1") = "5"
    & skf21("3","4","2","3","5","6","4","1") = "5"
    & skf21("3","4","2","3","5","6","5","1") = "5"
    & skf21("3","4","2","3","5","6","6","1") = "5"
    & skf21("3","4","2","3","5","6","7","1") = "6"
    & skf21("3","4","2","3","5","7","1","1") = "6"
    & skf21("3","4","2","3","5","7","2","1") = "6"
    & skf21("3","4","2","3","5","7","3","1") = "6"
    & skf21("3","4","2","3","5","7","4","1") = "6"
    & skf21("3","4","2","3","5","7","5","1") = "6"
    & skf21("3","4","2","3","5","7","6","1") = "6"
    & skf21("3","4","2","3","5","7","7","1") = "6"
    & skf21("3","4","2","3","6","1","1","1") = "5"
    & skf21("3","4","2","3","6","1","2","1") = "5"
    & skf21("3","4","2","3","6","1","3","1") = "5"
    & skf21("3","4","2","3","6","1","4","1") = "5"
    & skf21("3","4","2","3","6","1","5","1") = "5"
    & skf21("3","4","2","3","6","1","6","1") = "5"
    & skf21("3","4","2","3","6","1","7","1") = "6"
    & skf21("3","4","2","3","6","2","1","1") = "5"
    & skf21("3","4","2","3","6","2","2","1") = "5"
    & skf21("3","4","2","3","6","2","3","1") = "5"
    & skf21("3","4","2","3","6","2","4","1") = "5"
    & skf21("3","4","2","3","6","2","5","1") = "5"
    & skf21("3","4","2","3","6","2","6","1") = "5"
    & skf21("3","4","2","3","6","2","7","1") = "6"
    & skf21("3","4","2","3","6","3","1","1") = "5"
    & skf21("3","4","2","3","6","3","2","1") = "5"
    & skf21("3","4","2","3","6","3","3","1") = "5"
    & skf21("3","4","2","3","6","3","4","1") = "5"
    & skf21("3","4","2","3","6","3","5","1") = "5"
    & skf21("3","4","2","3","6","3","6","1") = "5"
    & skf21("3","4","2","3","6","3","7","1") = "6"
    & skf21("3","4","2","3","6","4","1","1") = "5"
    & skf21("3","4","2","3","6","4","2","1") = "5"
    & skf21("3","4","2","3","6","4","3","1") = "5"
    & skf21("3","4","2","3","6","4","4","1") = "5"
    & skf21("3","4","2","3","6","4","5","1") = "5"
    & skf21("3","4","2","3","6","4","6","1") = "5"
    & skf21("3","4","2","3","6","4","7","1") = "6"
    & skf21("3","4","2","3","6","5","1","1") = "5"
    & skf21("3","4","2","3","6","5","2","1") = "5"
    & skf21("3","4","2","3","6","5","3","1") = "5"
    & skf21("3","4","2","3","6","5","4","1") = "5"
    & skf21("3","4","2","3","6","5","5","1") = "5"
    & skf21("3","4","2","3","6","5","6","1") = "5"
    & skf21("3","4","2","3","6","5","7","1") = "6"
    & skf21("3","4","2","3","6","6","1","1") = "5"
    & skf21("3","4","2","3","6","6","2","1") = "5"
    & skf21("3","4","2","3","6","6","3","1") = "5"
    & skf21("3","4","2","3","6","6","4","1") = "5"
    & skf21("3","4","2","3","6","6","5","1") = "5"
    & skf21("3","4","2","3","6","6","6","1") = "5"
    & skf21("3","4","2","3","6","6","7","1") = "6"
    & skf21("3","4","2","3","6","7","1","1") = "6"
    & skf21("3","4","2","3","6","7","2","1") = "6"
    & skf21("3","4","2","3","6","7","3","1") = "6"
    & skf21("3","4","2","3","6","7","4","1") = "6"
    & skf21("3","4","2","3","6","7","5","1") = "6"
    & skf21("3","4","2","3","6","7","6","1") = "6"
    & skf21("3","4","2","3","6","7","7","1") = "6"
    & skf21("3","4","2","3","7","1","1","1") = "6"
    & skf21("3","4","2","3","7","1","2","1") = "6"
    & skf21("3","4","2","3","7","1","3","1") = "6"
    & skf21("3","4","2","3","7","1","4","1") = "6"
    & skf21("3","4","2","3","7","1","5","1") = "6"
    & skf21("3","4","2","3","7","1","6","1") = "6"
    & skf21("3","4","2","3","7","1","7","1") = "6"
    & skf21("3","4","2","3","7","2","1","1") = "6"
    & skf21("3","4","2","3","7","2","2","1") = "6"
    & skf21("3","4","2","3","7","2","3","1") = "6"
    & skf21("3","4","2","3","7","2","4","1") = "6"
    & skf21("3","4","2","3","7","2","5","1") = "6"
    & skf21("3","4","2","3","7","2","6","1") = "6"
    & skf21("3","4","2","3","7","2","7","1") = "6"
    & skf21("3","4","2","3","7","3","1","1") = "6"
    & skf21("3","4","2","3","7","3","2","1") = "6"
    & skf21("3","4","2","3","7","3","3","1") = "6"
    & skf21("3","4","2","3","7","3","4","1") = "6"
    & skf21("3","4","2","3","7","3","5","1") = "6"
    & skf21("3","4","2","3","7","3","6","1") = "6"
    & skf21("3","4","2","3","7","3","7","1") = "6"
    & skf21("3","4","2","3","7","4","1","1") = "6"
    & skf21("3","4","2","3","7","4","2","1") = "6"
    & skf21("3","4","2","3","7","4","3","1") = "6"
    & skf21("3","4","2","3","7","4","4","1") = "6"
    & skf21("3","4","2","3","7","4","5","1") = "6"
    & skf21("3","4","2","3","7","4","6","1") = "6"
    & skf21("3","4","2","3","7","4","7","1") = "6"
    & skf21("3","4","2","3","7","5","1","1") = "6"
    & skf21("3","4","2","3","7","5","2","1") = "6"
    & skf21("3","4","2","3","7","5","3","1") = "6"
    & skf21("3","4","2","3","7","5","4","1") = "6"
    & skf21("3","4","2","3","7","5","5","1") = "6"
    & skf21("3","4","2","3","7","5","6","1") = "6"
    & skf21("3","4","2","3","7","5","7","1") = "6"
    & skf21("3","4","2","3","7","6","1","1") = "6"
    & skf21("3","4","2","3","7","6","2","1") = "6"
    & skf21("3","4","2","3","7","6","3","1") = "6"
    & skf21("3","4","2","3","7","6","4","1") = "6"
    & skf21("3","4","2","3","7","6","5","1") = "6"
    & skf21("3","4","2","3","7","6","6","1") = "6"
    & skf21("3","4","2","3","7","6","7","1") = "6"
    & skf21("3","4","2","3","7","7","1","1") = "6"
    & skf21("3","4","2","3","7","7","2","1") = "6"
    & skf21("3","4","2","3","7","7","3","1") = "6"
    & skf21("3","4","2","3","7","7","4","1") = "6"
    & skf21("3","4","2","3","7","7","5","1") = "6"
    & skf21("3","4","2","3","7","7","6","1") = "6"
    & skf21("3","4","2","3","7","7","7","1") = "6"
    & skf21("3","4","2","4","1","1","1","1") = "3"
    & skf21("3","4","2","4","1","1","2","1") = "3"
    & skf21("3","4","2","4","1","1","3","1") = "3"
    & skf21("3","4","2","4","1","1","4","1") = "3"
    & skf21("3","4","2","4","1","1","5","1") = "4"
    & skf21("3","4","2","4","1","1","6","1") = "5"
    & skf21("3","4","2","4","1","1","7","1") = "6"
    & skf21("3","4","2","4","1","2","1","1") = "3"
    & skf21("3","4","2","4","1","2","2","1") = "3"
    & skf21("3","4","2","4","1","2","3","1") = "3"
    & skf21("3","4","2","4","1","2","4","1") = "3"
    & skf21("3","4","2","4","1","2","5","1") = "4"
    & skf21("3","4","2","4","1","2","6","1") = "5"
    & skf21("3","4","2","4","1","2","7","1") = "6"
    & skf21("3","4","2","4","1","3","1","1") = "3"
    & skf21("3","4","2","4","1","3","2","1") = "3"
    & skf21("3","4","2","4","1","3","3","1") = "3"
    & skf21("3","4","2","4","1","3","4","1") = "3"
    & skf21("3","4","2","4","1","3","5","1") = "4"
    & skf21("3","4","2","4","1","3","6","1") = "5"
    & skf21("3","4","2","4","1","3","7","1") = "6"
    & skf21("3","4","2","4","1","4","1","1") = "3"
    & skf21("3","4","2","4","1","4","2","1") = "3"
    & skf21("3","4","2","4","1","4","3","1") = "3"
    & skf21("3","4","2","4","1","4","4","1") = "3"
    & skf21("3","4","2","4","1","4","5","1") = "4"
    & skf21("3","4","2","4","1","4","6","1") = "5"
    & skf21("3","4","2","4","1","4","7","1") = "6"
    & skf21("3","4","2","4","1","5","1","1") = "4"
    & skf21("3","4","2","4","1","5","2","1") = "4"
    & skf21("3","4","2","4","1","5","3","1") = "4"
    & skf21("3","4","2","4","1","5","4","1") = "4"
    & skf21("3","4","2","4","1","5","5","1") = "4"
    & skf21("3","4","2","4","1","5","6","1") = "5"
    & skf21("3","4","2","4","1","5","7","1") = "6"
    & skf21("3","4","2","4","1","6","1","1") = "5"
    & skf21("3","4","2","4","1","6","2","1") = "5"
    & skf21("3","4","2","4","1","6","3","1") = "5"
    & skf21("3","4","2","4","1","6","4","1") = "5"
    & skf21("3","4","2","4","1","6","5","1") = "5"
    & skf21("3","4","2","4","1","6","6","1") = "5"
    & skf21("3","4","2","4","1","6","7","1") = "6"
    & skf21("3","4","2","4","1","7","1","1") = "6"
    & skf21("3","4","2","4","1","7","2","1") = "6"
    & skf21("3","4","2","4","1","7","3","1") = "6"
    & skf21("3","4","2","4","1","7","4","1") = "6"
    & skf21("3","4","2","4","1","7","5","1") = "6"
    & skf21("3","4","2","4","1","7","6","1") = "6"
    & skf21("3","4","2","4","1","7","7","1") = "6"
    & skf21("3","4","2","4","2","1","1","1") = "3"
    & skf21("3","4","2","4","2","1","2","1") = "3"
    & skf21("3","4","2","4","2","1","3","1") = "3"
    & skf21("3","4","2","4","2","1","4","1") = "3"
    & skf21("3","4","2","4","2","1","5","1") = "4"
    & skf21("3","4","2","4","2","1","6","1") = "5"
    & skf21("3","4","2","4","2","1","7","1") = "6"
    & skf21("3","4","2","4","2","2","1","1") = "3"
    & skf21("3","4","2","4","2","2","2","1") = "3"
    & skf21("3","4","2","4","2","2","3","1") = "3"
    & skf21("3","4","2","4","2","2","4","1") = "3"
    & skf21("3","4","2","4","2","2","5","1") = "4"
    & skf21("3","4","2","4","2","2","6","1") = "5"
    & skf21("3","4","2","4","2","2","7","1") = "6"
    & skf21("3","4","2","4","2","3","1","1") = "3"
    & skf21("3","4","2","4","2","3","2","1") = "3"
    & skf21("3","4","2","4","2","3","3","1") = "3"
    & skf21("3","4","2","4","2","3","4","1") = "3"
    & skf21("3","4","2","4","2","3","5","1") = "4"
    & skf21("3","4","2","4","2","3","6","1") = "5"
    & skf21("3","4","2","4","2","3","7","1") = "6"
    & skf21("3","4","2","4","2","4","1","1") = "3"
    & skf21("3","4","2","4","2","4","2","1") = "3"
    & skf21("3","4","2","4","2","4","3","1") = "3"
    & skf21("3","4","2","4","2","4","4","1") = "3"
    & skf21("3","4","2","4","2","4","5","1") = "4"
    & skf21("3","4","2","4","2","4","6","1") = "5"
    & skf21("3","4","2","4","2","4","7","1") = "6"
    & skf21("3","4","2","4","2","5","1","1") = "4"
    & skf21("3","4","2","4","2","5","2","1") = "4"
    & skf21("3","4","2","4","2","5","3","1") = "4"
    & skf21("3","4","2","4","2","5","4","1") = "4"
    & skf21("3","4","2","4","2","5","5","1") = "4"
    & skf21("3","4","2","4","2","5","6","1") = "5"
    & skf21("3","4","2","4","2","5","7","1") = "6"
    & skf21("3","4","2","4","2","6","1","1") = "5"
    & skf21("3","4","2","4","2","6","2","1") = "5"
    & skf21("3","4","2","4","2","6","3","1") = "5"
    & skf21("3","4","2","4","2","6","4","1") = "5"
    & skf21("3","4","2","4","2","6","5","1") = "5"
    & skf21("3","4","2","4","2","6","6","1") = "5"
    & skf21("3","4","2","4","2","6","7","1") = "6"
    & skf21("3","4","2","4","2","7","1","1") = "6"
    & skf21("3","4","2","4","2","7","2","1") = "6"
    & skf21("3","4","2","4","2","7","3","1") = "6"
    & skf21("3","4","2","4","2","7","4","1") = "6"
    & skf21("3","4","2","4","2","7","5","1") = "6"
    & skf21("3","4","2","4","2","7","6","1") = "6"
    & skf21("3","4","2","4","2","7","7","1") = "6"
    & skf21("3","4","2","4","3","1","1","1") = "3"
    & skf21("3","4","2","4","3","1","2","1") = "3"
    & skf21("3","4","2","4","3","1","3","1") = "3"
    & skf21("3","4","2","4","3","1","4","1") = "3"
    & skf21("3","4","2","4","3","1","5","1") = "4"
    & skf21("3","4","2","4","3","1","6","1") = "5"
    & skf21("3","4","2","4","3","1","7","1") = "6"
    & skf21("3","4","2","4","3","2","1","1") = "3"
    & skf21("3","4","2","4","3","2","2","1") = "3"
    & skf21("3","4","2","4","3","2","3","1") = "3"
    & skf21("3","4","2","4","3","2","4","1") = "3"
    & skf21("3","4","2","4","3","2","5","1") = "4"
    & skf21("3","4","2","4","3","2","6","1") = "5"
    & skf21("3","4","2","4","3","2","7","1") = "6"
    & skf21("3","4","2","4","3","3","1","1") = "3"
    & skf21("3","4","2","4","3","3","2","1") = "3"
    & skf21("3","4","2","4","3","3","3","1") = "3"
    & skf21("3","4","2","4","3","3","4","1") = "3"
    & skf21("3","4","2","4","3","3","5","1") = "4"
    & skf21("3","4","2","4","3","3","6","1") = "5"
    & skf21("3","4","2","4","3","3","7","1") = "6"
    & skf21("3","4","2","4","3","4","1","1") = "3"
    & skf21("3","4","2","4","3","4","2","1") = "3"
    & skf21("3","4","2","4","3","4","3","1") = "3"
    & skf21("3","4","2","4","3","4","4","1") = "3"
    & skf21("3","4","2","4","3","4","5","1") = "4"
    & skf21("3","4","2","4","3","4","6","1") = "5"
    & skf21("3","4","2","4","3","4","7","1") = "6"
    & skf21("3","4","2","4","3","5","1","1") = "4"
    & skf21("3","4","2","4","3","5","2","1") = "4"
    & skf21("3","4","2","4","3","5","3","1") = "4"
    & skf21("3","4","2","4","3","5","4","1") = "4"
    & skf21("3","4","2","4","3","5","5","1") = "4"
    & skf21("3","4","2","4","3","5","6","1") = "5"
    & skf21("3","4","2","4","3","5","7","1") = "6"
    & skf21("3","4","2","4","3","6","1","1") = "5"
    & skf21("3","4","2","4","3","6","2","1") = "5"
    & skf21("3","4","2","4","3","6","3","1") = "5"
    & skf21("3","4","2","4","3","6","4","1") = "5"
    & skf21("3","4","2","4","3","6","5","1") = "5"
    & skf21("3","4","2","4","3","6","6","1") = "5"
    & skf21("3","4","2","4","3","6","7","1") = "6"
    & skf21("3","4","2","4","3","7","1","1") = "6"
    & skf21("3","4","2","4","3","7","2","1") = "6"
    & skf21("3","4","2","4","3","7","3","1") = "6"
    & skf21("3","4","2","4","3","7","4","1") = "6"
    & skf21("3","4","2","4","3","7","5","1") = "6"
    & skf21("3","4","2","4","3","7","6","1") = "6"
    & skf21("3","4","2","4","3","7","7","1") = "6"
    & skf21("3","4","2","4","4","1","1","1") = "3"
    & skf21("3","4","2","4","4","1","2","1") = "3"
    & skf21("3","4","2","4","4","1","3","1") = "3"
    & skf21("3","4","2","4","4","1","4","1") = "3"
    & skf21("3","4","2","4","4","1","5","1") = "4"
    & skf21("3","4","2","4","4","1","6","1") = "5"
    & skf21("3","4","2","4","4","1","7","1") = "6"
    & skf21("3","4","2","4","4","2","1","1") = "3"
    & skf21("3","4","2","4","4","2","2","1") = "3"
    & skf21("3","4","2","4","4","2","3","1") = "3"
    & skf21("3","4","2","4","4","2","4","1") = "3"
    & skf21("3","4","2","4","4","2","5","1") = "4"
    & skf21("3","4","2","4","4","2","6","1") = "5"
    & skf21("3","4","2","4","4","2","7","1") = "6"
    & skf21("3","4","2","4","4","3","1","1") = "3"
    & skf21("3","4","2","4","4","3","2","1") = "3"
    & skf21("3","4","2","4","4","3","3","1") = "3"
    & skf21("3","4","2","4","4","3","4","1") = "3"
    & skf21("3","4","2","4","4","3","5","1") = "4"
    & skf21("3","4","2","4","4","3","6","1") = "5"
    & skf21("3","4","2","4","4","3","7","1") = "6"
    & skf21("3","4","2","4","4","4","1","1") = "3"
    & skf21("3","4","2","4","4","4","2","1") = "3"
    & skf21("3","4","2","4","4","4","3","1") = "3"
    & skf21("3","4","2","4","4","4","4","1") = "3"
    & skf21("3","4","2","4","4","4","5","1") = "4"
    & skf21("3","4","2","4","4","4","6","1") = "5"
    & skf21("3","4","2","4","4","4","7","1") = "6"
    & skf21("3","4","2","4","4","5","1","1") = "4"
    & skf21("3","4","2","4","4","5","2","1") = "4"
    & skf21("3","4","2","4","4","5","3","1") = "4"
    & skf21("3","4","2","4","4","5","4","1") = "4"
    & skf21("3","4","2","4","4","5","5","1") = "4"
    & skf21("3","4","2","4","4","5","6","1") = "5"
    & skf21("3","4","2","4","4","5","7","1") = "6"
    & skf21("3","4","2","4","4","6","1","1") = "5"
    & skf21("3","4","2","4","4","6","2","1") = "5"
    & skf21("3","4","2","4","4","6","3","1") = "5"
    & skf21("3","4","2","4","4","6","4","1") = "5"
    & skf21("3","4","2","4","4","6","5","1") = "5"
    & skf21("3","4","2","4","4","6","6","1") = "5"
    & skf21("3","4","2","4","4","6","7","1") = "6"
    & skf21("3","4","2","4","4","7","1","1") = "6"
    & skf21("3","4","2","4","4","7","2","1") = "6"
    & skf21("3","4","2","4","4","7","3","1") = "6"
    & skf21("3","4","2","4","4","7","4","1") = "6"
    & skf21("3","4","2","4","4","7","5","1") = "6"
    & skf21("3","4","2","4","4","7","6","1") = "6"
    & skf21("3","4","2","4","4","7","7","1") = "6"
    & skf21("3","4","2","4","5","1","1","1") = "4"
    & skf21("3","4","2","4","5","1","2","1") = "4"
    & skf21("3","4","2","4","5","1","3","1") = "4"
    & skf21("3","4","2","4","5","1","4","1") = "4"
    & skf21("3","4","2","4","5","1","5","1") = "4"
    & skf21("3","4","2","4","5","1","6","1") = "5"
    & skf21("3","4","2","4","5","1","7","1") = "6"
    & skf21("3","4","2","4","5","2","1","1") = "4"
    & skf21("3","4","2","4","5","2","2","1") = "4"
    & skf21("3","4","2","4","5","2","3","1") = "4"
    & skf21("3","4","2","4","5","2","4","1") = "4"
    & skf21("3","4","2","4","5","2","5","1") = "4"
    & skf21("3","4","2","4","5","2","6","1") = "5"
    & skf21("3","4","2","4","5","2","7","1") = "6"
    & skf21("3","4","2","4","5","3","1","1") = "4"
    & skf21("3","4","2","4","5","3","2","1") = "4"
    & skf21("3","4","2","4","5","3","3","1") = "4"
    & skf21("3","4","2","4","5","3","4","1") = "4"
    & skf21("3","4","2","4","5","3","5","1") = "4"
    & skf21("3","4","2","4","5","3","6","1") = "5"
    & skf21("3","4","2","4","5","3","7","1") = "6"
    & skf21("3","4","2","4","5","4","1","1") = "4"
    & skf21("3","4","2","4","5","4","2","1") = "4"
    & skf21("3","4","2","4","5","4","3","1") = "4"
    & skf21("3","4","2","4","5","4","4","1") = "4"
    & skf21("3","4","2","4","5","4","5","1") = "4"
    & skf21("3","4","2","4","5","4","6","1") = "5"
    & skf21("3","4","2","4","5","4","7","1") = "6"
    & skf21("3","4","2","4","5","5","1","1") = "4"
    & skf21("3","4","2","4","5","5","2","1") = "4"
    & skf21("3","4","2","4","5","5","3","1") = "4"
    & skf21("3","4","2","4","5","5","4","1") = "4"
    & skf21("3","4","2","4","5","5","5","1") = "4"
    & skf21("3","4","2","4","5","5","6","1") = "5"
    & skf21("3","4","2","4","5","5","7","1") = "6"
    & skf21("3","4","2","4","5","6","1","1") = "5"
    & skf21("3","4","2","4","5","6","2","1") = "5"
    & skf21("3","4","2","4","5","6","3","1") = "5"
    & skf21("3","4","2","4","5","6","4","1") = "5"
    & skf21("3","4","2","4","5","6","5","1") = "5"
    & skf21("3","4","2","4","5","6","6","1") = "5"
    & skf21("3","4","2","4","5","6","7","1") = "6"
    & skf21("3","4","2","4","5","7","1","1") = "6"
    & skf21("3","4","2","4","5","7","2","1") = "6"
    & skf21("3","4","2","4","5","7","3","1") = "6"
    & skf21("3","4","2","4","5","7","4","1") = "6"
    & skf21("3","4","2","4","5","7","5","1") = "6"
    & skf21("3","4","2","4","5","7","6","1") = "6"
    & skf21("3","4","2","4","5","7","7","1") = "6"
    & skf21("3","4","2","4","6","1","1","1") = "5"
    & skf21("3","4","2","4","6","1","2","1") = "5"
    & skf21("3","4","2","4","6","1","3","1") = "5"
    & skf21("3","4","2","4","6","1","4","1") = "5"
    & skf21("3","4","2","4","6","1","5","1") = "5"
    & skf21("3","4","2","4","6","1","6","1") = "5"
    & skf21("3","4","2","4","6","1","7","1") = "6"
    & skf21("3","4","2","4","6","2","1","1") = "5"
    & skf21("3","4","2","4","6","2","2","1") = "5"
    & skf21("3","4","2","4","6","2","3","1") = "5"
    & skf21("3","4","2","4","6","2","4","1") = "5"
    & skf21("3","4","2","4","6","2","5","1") = "5"
    & skf21("3","4","2","4","6","2","6","1") = "5"
    & skf21("3","4","2","4","6","2","7","1") = "6"
    & skf21("3","4","2","4","6","3","1","1") = "5"
    & skf21("3","4","2","4","6","3","2","1") = "5"
    & skf21("3","4","2","4","6","3","3","1") = "5"
    & skf21("3","4","2","4","6","3","4","1") = "5"
    & skf21("3","4","2","4","6","3","5","1") = "5"
    & skf21("3","4","2","4","6","3","6","1") = "5"
    & skf21("3","4","2","4","6","3","7","1") = "6"
    & skf21("3","4","2","4","6","4","1","1") = "5"
    & skf21("3","4","2","4","6","4","2","1") = "5"
    & skf21("3","4","2","4","6","4","3","1") = "5"
    & skf21("3","4","2","4","6","4","4","1") = "5"
    & skf21("3","4","2","4","6","4","5","1") = "5"
    & skf21("3","4","2","4","6","4","6","1") = "5"
    & skf21("3","4","2","4","6","4","7","1") = "6"
    & skf21("3","4","2","4","6","5","1","1") = "5"
    & skf21("3","4","2","4","6","5","2","1") = "5"
    & skf21("3","4","2","4","6","5","3","1") = "5"
    & skf21("3","4","2","4","6","5","4","1") = "5"
    & skf21("3","4","2","4","6","5","5","1") = "5"
    & skf21("3","4","2","4","6","5","6","1") = "5"
    & skf21("3","4","2","4","6","5","7","1") = "6"
    & skf21("3","4","2","4","6","6","1","1") = "5"
    & skf21("3","4","2","4","6","6","2","1") = "5"
    & skf21("3","4","2","4","6","6","3","1") = "5"
    & skf21("3","4","2","4","6","6","4","1") = "5"
    & skf21("3","4","2","4","6","6","5","1") = "5"
    & skf21("3","4","2","4","6","6","6","1") = "5"
    & skf21("3","4","2","4","6","6","7","1") = "6"
    & skf21("3","4","2","4","6","7","1","1") = "6"
    & skf21("3","4","2","4","6","7","2","1") = "6"
    & skf21("3","4","2","4","6","7","3","1") = "6"
    & skf21("3","4","2","4","6","7","4","1") = "6"
    & skf21("3","4","2","4","6","7","5","1") = "6"
    & skf21("3","4","2","4","6","7","6","1") = "6"
    & skf21("3","4","2","4","6","7","7","1") = "6"
    & skf21("3","4","2","4","7","1","1","1") = "6"
    & skf21("3","4","2","4","7","1","2","1") = "6"
    & skf21("3","4","2","4","7","1","3","1") = "6"
    & skf21("3","4","2","4","7","1","4","1") = "6"
    & skf21("3","4","2","4","7","1","5","1") = "6"
    & skf21("3","4","2","4","7","1","6","1") = "6"
    & skf21("3","4","2","4","7","1","7","1") = "6"
    & skf21("3","4","2","4","7","2","1","1") = "6"
    & skf21("3","4","2","4","7","2","2","1") = "6"
    & skf21("3","4","2","4","7","2","3","1") = "6"
    & skf21("3","4","2","4","7","2","4","1") = "6"
    & skf21("3","4","2","4","7","2","5","1") = "6"
    & skf21("3","4","2","4","7","2","6","1") = "6"
    & skf21("3","4","2","4","7","2","7","1") = "6"
    & skf21("3","4","2","4","7","3","1","1") = "6"
    & skf21("3","4","2","4","7","3","2","1") = "6"
    & skf21("3","4","2","4","7","3","3","1") = "6"
    & skf21("3","4","2","4","7","3","4","1") = "6"
    & skf21("3","4","2","4","7","3","5","1") = "6"
    & skf21("3","4","2","4","7","3","6","1") = "6"
    & skf21("3","4","2","4","7","3","7","1") = "6"
    & skf21("3","4","2","4","7","4","1","1") = "6"
    & skf21("3","4","2","4","7","4","2","1") = "6"
    & skf21("3","4","2","4","7","4","3","1") = "6"
    & skf21("3","4","2","4","7","4","4","1") = "6"
    & skf21("3","4","2","4","7","4","5","1") = "6"
    & skf21("3","4","2","4","7","4","6","1") = "6"
    & skf21("3","4","2","4","7","4","7","1") = "6"
    & skf21("3","4","2","4","7","5","1","1") = "6"
    & skf21("3","4","2","4","7","5","2","1") = "6"
    & skf21("3","4","2","4","7","5","3","1") = "6"
    & skf21("3","4","2","4","7","5","4","1") = "6"
    & skf21("3","4","2","4","7","5","5","1") = "6"
    & skf21("3","4","2","4","7","5","6","1") = "6"
    & skf21("3","4","2","4","7","5","7","1") = "6"
    & skf21("3","4","2","4","7","6","1","1") = "6"
    & skf21("3","4","2","4","7","6","2","1") = "6"
    & skf21("3","4","2","4","7","6","3","1") = "6"
    & skf21("3","4","2","4","7","6","4","1") = "6"
    & skf21("3","4","2","4","7","6","5","1") = "6"
    & skf21("3","4","2","4","7","6","6","1") = "6"
    & skf21("3","4","2","4","7","6","7","1") = "6"
    & skf21("3","4","2","4","7","7","1","1") = "6"
    & skf21("3","4","2","4","7","7","2","1") = "6"
    & skf21("3","4","2","4","7","7","3","1") = "6"
    & skf21("3","4","2","4","7","7","4","1") = "6"
    & skf21("3","4","2","4","7","7","5","1") = "6"
    & skf21("3","4","2","4","7","7","6","1") = "6"
    & skf21("3","4","2","4","7","7","7","1") = "6"
    & skf21("3","4","2","5","1","1","1","1") = "4"
    & skf21("3","4","2","5","1","1","2","1") = "4"
    & skf21("3","4","2","5","1","1","3","1") = "4"
    & skf21("3","4","2","5","1","1","4","1") = "4"
    & skf21("3","4","2","5","1","1","5","1") = "4"
    & skf21("3","4","2","5","1","1","6","1") = "5"
    & skf21("3","4","2","5","1","1","7","1") = "6"
    & skf21("3","4","2","5","1","2","1","1") = "4"
    & skf21("3","4","2","5","1","2","2","1") = "4"
    & skf21("3","4","2","5","1","2","3","1") = "4"
    & skf21("3","4","2","5","1","2","4","1") = "4"
    & skf21("3","4","2","5","1","2","5","1") = "4"
    & skf21("3","4","2","5","1","2","6","1") = "5"
    & skf21("3","4","2","5","1","2","7","1") = "6"
    & skf21("3","4","2","5","1","3","1","1") = "4"
    & skf21("3","4","2","5","1","3","2","1") = "4"
    & skf21("3","4","2","5","1","3","3","1") = "4"
    & skf21("3","4","2","5","1","3","4","1") = "4"
    & skf21("3","4","2","5","1","3","5","1") = "4"
    & skf21("3","4","2","5","1","3","6","1") = "5"
    & skf21("3","4","2","5","1","3","7","1") = "6"
    & skf21("3","4","2","5","1","4","1","1") = "4"
    & skf21("3","4","2","5","1","4","2","1") = "4"
    & skf21("3","4","2","5","1","4","3","1") = "4"
    & skf21("3","4","2","5","1","4","4","1") = "4"
    & skf21("3","4","2","5","1","4","5","1") = "4"
    & skf21("3","4","2","5","1","4","6","1") = "5"
    & skf21("3","4","2","5","1","4","7","1") = "6"
    & skf21("3","4","2","5","1","5","1","1") = "4"
    & skf21("3","4","2","5","1","5","2","1") = "4"
    & skf21("3","4","2","5","1","5","3","1") = "4"
    & skf21("3","4","2","5","1","5","4","1") = "4"
    & skf21("3","4","2","5","1","5","5","1") = "4"
    & skf21("3","4","2","5","1","5","6","1") = "5"
    & skf21("3","4","2","5","1","5","7","1") = "6"
    & skf21("3","4","2","5","1","6","1","1") = "5"
    & skf21("3","4","2","5","1","6","2","1") = "5"
    & skf21("3","4","2","5","1","6","3","1") = "5"
    & skf21("3","4","2","5","1","6","4","1") = "5"
    & skf21("3","4","2","5","1","6","5","1") = "5"
    & skf21("3","4","2","5","1","6","6","1") = "5"
    & skf21("3","4","2","5","1","6","7","1") = "6"
    & skf21("3","4","2","5","1","7","1","1") = "6"
    & skf21("3","4","2","5","1","7","2","1") = "6"
    & skf21("3","4","2","5","1","7","3","1") = "6"
    & skf21("3","4","2","5","1","7","4","1") = "6"
    & skf21("3","4","2","5","1","7","5","1") = "6"
    & skf21("3","4","2","5","1","7","6","1") = "6"
    & skf21("3","4","2","5","1","7","7","1") = "6"
    & skf21("3","4","2","5","2","1","1","1") = "4"
    & skf21("3","4","2","5","2","1","2","1") = "4"
    & skf21("3","4","2","5","2","1","3","1") = "4"
    & skf21("3","4","2","5","2","1","4","1") = "4"
    & skf21("3","4","2","5","2","1","5","1") = "4"
    & skf21("3","4","2","5","2","1","6","1") = "5"
    & skf21("3","4","2","5","2","1","7","1") = "6"
    & skf21("3","4","2","5","2","2","1","1") = "4"
    & skf21("3","4","2","5","2","2","2","1") = "4"
    & skf21("3","4","2","5","2","2","3","1") = "4"
    & skf21("3","4","2","5","2","2","4","1") = "4"
    & skf21("3","4","2","5","2","2","5","1") = "4"
    & skf21("3","4","2","5","2","2","6","1") = "5"
    & skf21("3","4","2","5","2","2","7","1") = "6"
    & skf21("3","4","2","5","2","3","1","1") = "4"
    & skf21("3","4","2","5","2","3","2","1") = "4"
    & skf21("3","4","2","5","2","3","3","1") = "4"
    & skf21("3","4","2","5","2","3","4","1") = "4"
    & skf21("3","4","2","5","2","3","5","1") = "4"
    & skf21("3","4","2","5","2","3","6","1") = "5"
    & skf21("3","4","2","5","2","3","7","1") = "6"
    & skf21("3","4","2","5","2","4","1","1") = "4"
    & skf21("3","4","2","5","2","4","2","1") = "4"
    & skf21("3","4","2","5","2","4","3","1") = "4"
    & skf21("3","4","2","5","2","4","4","1") = "4"
    & skf21("3","4","2","5","2","4","5","1") = "4"
    & skf21("3","4","2","5","2","4","6","1") = "5"
    & skf21("3","4","2","5","2","4","7","1") = "6"
    & skf21("3","4","2","5","2","5","1","1") = "4"
    & skf21("3","4","2","5","2","5","2","1") = "4"
    & skf21("3","4","2","5","2","5","3","1") = "4"
    & skf21("3","4","2","5","2","5","4","1") = "4"
    & skf21("3","4","2","5","2","5","5","1") = "4"
    & skf21("3","4","2","5","2","5","6","1") = "5"
    & skf21("3","4","2","5","2","5","7","1") = "6"
    & skf21("3","4","2","5","2","6","1","1") = "5"
    & skf21("3","4","2","5","2","6","2","1") = "5"
    & skf21("3","4","2","5","2","6","3","1") = "5"
    & skf21("3","4","2","5","2","6","4","1") = "5"
    & skf21("3","4","2","5","2","6","5","1") = "5"
    & skf21("3","4","2","5","2","6","6","1") = "5"
    & skf21("3","4","2","5","2","6","7","1") = "6"
    & skf21("3","4","2","5","2","7","1","1") = "6"
    & skf21("3","4","2","5","2","7","2","1") = "6"
    & skf21("3","4","2","5","2","7","3","1") = "6"
    & skf21("3","4","2","5","2","7","4","1") = "6"
    & skf21("3","4","2","5","2","7","5","1") = "6"
    & skf21("3","4","2","5","2","7","6","1") = "6"
    & skf21("3","4","2","5","2","7","7","1") = "6"
    & skf21("3","4","2","5","3","1","1","1") = "4"
    & skf21("3","4","2","5","3","1","2","1") = "4"
    & skf21("3","4","2","5","3","1","3","1") = "4"
    & skf21("3","4","2","5","3","1","4","1") = "4"
    & skf21("3","4","2","5","3","1","5","1") = "4"
    & skf21("3","4","2","5","3","1","6","1") = "5"
    & skf21("3","4","2","5","3","1","7","1") = "6"
    & skf21("3","4","2","5","3","2","1","1") = "4"
    & skf21("3","4","2","5","3","2","2","1") = "4"
    & skf21("3","4","2","5","3","2","3","1") = "4"
    & skf21("3","4","2","5","3","2","4","1") = "4"
    & skf21("3","4","2","5","3","2","5","1") = "4"
    & skf21("3","4","2","5","3","2","6","1") = "5"
    & skf21("3","4","2","5","3","2","7","1") = "6"
    & skf21("3","4","2","5","3","3","1","1") = "4"
    & skf21("3","4","2","5","3","3","2","1") = "4"
    & skf21("3","4","2","5","3","3","3","1") = "4"
    & skf21("3","4","2","5","3","3","4","1") = "4"
    & skf21("3","4","2","5","3","3","5","1") = "4"
    & skf21("3","4","2","5","3","3","6","1") = "5"
    & skf21("3","4","2","5","3","3","7","1") = "6"
    & skf21("3","4","2","5","3","4","1","1") = "4"
    & skf21("3","4","2","5","3","4","2","1") = "4"
    & skf21("3","4","2","5","3","4","3","1") = "4"
    & skf21("3","4","2","5","3","4","4","1") = "4"
    & skf21("3","4","2","5","3","4","5","1") = "4"
    & skf21("3","4","2","5","3","4","6","1") = "5"
    & skf21("3","4","2","5","3","4","7","1") = "6"
    & skf21("3","4","2","5","3","5","1","1") = "4"
    & skf21("3","4","2","5","3","5","2","1") = "4"
    & skf21("3","4","2","5","3","5","3","1") = "4"
    & skf21("3","4","2","5","3","5","4","1") = "4"
    & skf21("3","4","2","5","3","5","5","1") = "4"
    & skf21("3","4","2","5","3","5","6","1") = "5"
    & skf21("3","4","2","5","3","5","7","1") = "6"
    & skf21("3","4","2","5","3","6","1","1") = "5"
    & skf21("3","4","2","5","3","6","2","1") = "5"
    & skf21("3","4","2","5","3","6","3","1") = "5"
    & skf21("3","4","2","5","3","6","4","1") = "5"
    & skf21("3","4","2","5","3","6","5","1") = "5"
    & skf21("3","4","2","5","3","6","6","1") = "5"
    & skf21("3","4","2","5","3","6","7","1") = "6"
    & skf21("3","4","2","5","3","7","1","1") = "6"
    & skf21("3","4","2","5","3","7","2","1") = "6"
    & skf21("3","4","2","5","3","7","3","1") = "6"
    & skf21("3","4","2","5","3","7","4","1") = "6"
    & skf21("3","4","2","5","3","7","5","1") = "6"
    & skf21("3","4","2","5","3","7","6","1") = "6"
    & skf21("3","4","2","5","3","7","7","1") = "6"
    & skf21("3","4","2","5","4","1","1","1") = "4"
    & skf21("3","4","2","5","4","1","2","1") = "4"
    & skf21("3","4","2","5","4","1","3","1") = "4"
    & skf21("3","4","2","5","4","1","4","1") = "4"
    & skf21("3","4","2","5","4","1","5","1") = "4"
    & skf21("3","4","2","5","4","1","6","1") = "5"
    & skf21("3","4","2","5","4","1","7","1") = "6"
    & skf21("3","4","2","5","4","2","1","1") = "4"
    & skf21("3","4","2","5","4","2","2","1") = "4"
    & skf21("3","4","2","5","4","2","3","1") = "4"
    & skf21("3","4","2","5","4","2","4","1") = "4"
    & skf21("3","4","2","5","4","2","5","1") = "4"
    & skf21("3","4","2","5","4","2","6","1") = "5"
    & skf21("3","4","2","5","4","2","7","1") = "6"
    & skf21("3","4","2","5","4","3","1","1") = "4"
    & skf21("3","4","2","5","4","3","2","1") = "4"
    & skf21("3","4","2","5","4","3","3","1") = "4"
    & skf21("3","4","2","5","4","3","4","1") = "4"
    & skf21("3","4","2","5","4","3","5","1") = "4"
    & skf21("3","4","2","5","4","3","6","1") = "5"
    & skf21("3","4","2","5","4","3","7","1") = "6"
    & skf21("3","4","2","5","4","4","1","1") = "4"
    & skf21("3","4","2","5","4","4","2","1") = "4"
    & skf21("3","4","2","5","4","4","3","1") = "4"
    & skf21("3","4","2","5","4","4","4","1") = "4"
    & skf21("3","4","2","5","4","4","5","1") = "4"
    & skf21("3","4","2","5","4","4","6","1") = "5"
    & skf21("3","4","2","5","4","4","7","1") = "6"
    & skf21("3","4","2","5","4","5","1","1") = "4"
    & skf21("3","4","2","5","4","5","2","1") = "4"
    & skf21("3","4","2","5","4","5","3","1") = "4"
    & skf21("3","4","2","5","4","5","4","1") = "4"
    & skf21("3","4","2","5","4","5","5","1") = "4"
    & skf21("3","4","2","5","4","5","6","1") = "5"
    & skf21("3","4","2","5","4","5","7","1") = "6"
    & skf21("3","4","2","5","4","6","1","1") = "5"
    & skf21("3","4","2","5","4","6","2","1") = "5"
    & skf21("3","4","2","5","4","6","3","1") = "5"
    & skf21("3","4","2","5","4","6","4","1") = "5"
    & skf21("3","4","2","5","4","6","5","1") = "5"
    & skf21("3","4","2","5","4","6","6","1") = "5"
    & skf21("3","4","2","5","4","6","7","1") = "6"
    & skf21("3","4","2","5","4","7","1","1") = "6"
    & skf21("3","4","2","5","4","7","2","1") = "6"
    & skf21("3","4","2","5","4","7","3","1") = "6"
    & skf21("3","4","2","5","4","7","4","1") = "6"
    & skf21("3","4","2","5","4","7","5","1") = "6"
    & skf21("3","4","2","5","4","7","6","1") = "6"
    & skf21("3","4","2","5","4","7","7","1") = "6"
    & skf21("3","4","2","5","5","1","1","1") = "4"
    & skf21("3","4","2","5","5","1","2","1") = "4"
    & skf21("3","4","2","5","5","1","3","1") = "4"
    & skf21("3","4","2","5","5","1","4","1") = "4"
    & skf21("3","4","2","5","5","1","5","1") = "4"
    & skf21("3","4","2","5","5","1","6","1") = "5"
    & skf21("3","4","2","5","5","1","7","1") = "6"
    & skf21("3","4","2","5","5","2","1","1") = "4"
    & skf21("3","4","2","5","5","2","2","1") = "4"
    & skf21("3","4","2","5","5","2","3","1") = "4"
    & skf21("3","4","2","5","5","2","4","1") = "4"
    & skf21("3","4","2","5","5","2","5","1") = "4"
    & skf21("3","4","2","5","5","2","6","1") = "5"
    & skf21("3","4","2","5","5","2","7","1") = "6"
    & skf21("3","4","2","5","5","3","1","1") = "4"
    & skf21("3","4","2","5","5","3","2","1") = "4"
    & skf21("3","4","2","5","5","3","3","1") = "4"
    & skf21("3","4","2","5","5","3","4","1") = "4"
    & skf21("3","4","2","5","5","3","5","1") = "4"
    & skf21("3","4","2","5","5","3","6","1") = "5"
    & skf21("3","4","2","5","5","3","7","1") = "6"
    & skf21("3","4","2","5","5","4","1","1") = "4"
    & skf21("3","4","2","5","5","4","2","1") = "4"
    & skf21("3","4","2","5","5","4","3","1") = "4"
    & skf21("3","4","2","5","5","4","4","1") = "4"
    & skf21("3","4","2","5","5","4","5","1") = "4"
    & skf21("3","4","2","5","5","4","6","1") = "5"
    & skf21("3","4","2","5","5","4","7","1") = "6"
    & skf21("3","4","2","5","5","5","1","1") = "4"
    & skf21("3","4","2","5","5","5","2","1") = "4"
    & skf21("3","4","2","5","5","5","3","1") = "4"
    & skf21("3","4","2","5","5","5","4","1") = "4"
    & skf21("3","4","2","5","5","5","5","1") = "4"
    & skf21("3","4","2","5","5","5","6","1") = "5"
    & skf21("3","4","2","5","5","5","7","1") = "6"
    & skf21("3","4","2","5","5","6","1","1") = "5"
    & skf21("3","4","2","5","5","6","2","1") = "5"
    & skf21("3","4","2","5","5","6","3","1") = "5"
    & skf21("3","4","2","5","5","6","4","1") = "5"
    & skf21("3","4","2","5","5","6","5","1") = "5"
    & skf21("3","4","2","5","5","6","6","1") = "5"
    & skf21("3","4","2","5","5","6","7","1") = "6"
    & skf21("3","4","2","5","5","7","1","1") = "6"
    & skf21("3","4","2","5","5","7","2","1") = "6"
    & skf21("3","4","2","5","5","7","3","1") = "6"
    & skf21("3","4","2","5","5","7","4","1") = "6"
    & skf21("3","4","2","5","5","7","5","1") = "6"
    & skf21("3","4","2","5","5","7","6","1") = "6"
    & skf21("3","4","2","5","5","7","7","1") = "6"
    & skf21("3","4","2","5","6","1","1","1") = "5"
    & skf21("3","4","2","5","6","1","2","1") = "5"
    & skf21("3","4","2","5","6","1","3","1") = "5"
    & skf21("3","4","2","5","6","1","4","1") = "5"
    & skf21("3","4","2","5","6","1","5","1") = "5"
    & skf21("3","4","2","5","6","1","6","1") = "5"
    & skf21("3","4","2","5","6","1","7","1") = "6"
    & skf21("3","4","2","5","6","2","1","1") = "5"
    & skf21("3","4","2","5","6","2","2","1") = "5"
    & skf21("3","4","2","5","6","2","3","1") = "5"
    & skf21("3","4","2","5","6","2","4","1") = "5"
    & skf21("3","4","2","5","6","2","5","1") = "5"
    & skf21("3","4","2","5","6","2","6","1") = "5"
    & skf21("3","4","2","5","6","2","7","1") = "6"
    & skf21("3","4","2","5","6","3","1","1") = "5"
    & skf21("3","4","2","5","6","3","2","1") = "5"
    & skf21("3","4","2","5","6","3","3","1") = "5"
    & skf21("3","4","2","5","6","3","4","1") = "5"
    & skf21("3","4","2","5","6","3","5","1") = "5"
    & skf21("3","4","2","5","6","3","6","1") = "5"
    & skf21("3","4","2","5","6","3","7","1") = "6"
    & skf21("3","4","2","5","6","4","1","1") = "5"
    & skf21("3","4","2","5","6","4","2","1") = "5"
    & skf21("3","4","2","5","6","4","3","1") = "5"
    & skf21("3","4","2","5","6","4","4","1") = "5"
    & skf21("3","4","2","5","6","4","5","1") = "5"
    & skf21("3","4","2","5","6","4","6","1") = "5"
    & skf21("3","4","2","5","6","4","7","1") = "6"
    & skf21("3","4","2","5","6","5","1","1") = "5"
    & skf21("3","4","2","5","6","5","2","1") = "5"
    & skf21("3","4","2","5","6","5","3","1") = "5"
    & skf21("3","4","2","5","6","5","4","1") = "5"
    & skf21("3","4","2","5","6","5","5","1") = "5"
    & skf21("3","4","2","5","6","5","6","1") = "5"
    & skf21("3","4","2","5","6","5","7","1") = "6"
    & skf21("3","4","2","5","6","6","1","1") = "5"
    & skf21("3","4","2","5","6","6","2","1") = "5"
    & skf21("3","4","2","5","6","6","3","1") = "5"
    & skf21("3","4","2","5","6","6","4","1") = "5"
    & skf21("3","4","2","5","6","6","5","1") = "5"
    & skf21("3","4","2","5","6","6","6","1") = "5"
    & skf21("3","4","2","5","6","6","7","1") = "6"
    & skf21("3","4","2","5","6","7","1","1") = "6"
    & skf21("3","4","2","5","6","7","2","1") = "6"
    & skf21("3","4","2","5","6","7","3","1") = "6"
    & skf21("3","4","2","5","6","7","4","1") = "6"
    & skf21("3","4","2","5","6","7","5","1") = "6"
    & skf21("3","4","2","5","6","7","6","1") = "6"
    & skf21("3","4","2","5","6","7","7","1") = "6"
    & skf21("3","4","2","5","7","1","1","1") = "6"
    & skf21("3","4","2","5","7","1","2","1") = "6"
    & skf21("3","4","2","5","7","1","3","1") = "6"
    & skf21("3","4","2","5","7","1","4","1") = "6"
    & skf21("3","4","2","5","7","1","5","1") = "6"
    & skf21("3","4","2","5","7","1","6","1") = "6"
    & skf21("3","4","2","5","7","1","7","1") = "6"
    & skf21("3","4","2","5","7","2","1","1") = "6"
    & skf21("3","4","2","5","7","2","2","1") = "6"
    & skf21("3","4","2","5","7","2","3","1") = "6"
    & skf21("3","4","2","5","7","2","4","1") = "6"
    & skf21("3","4","2","5","7","2","5","1") = "6"
    & skf21("3","4","2","5","7","2","6","1") = "6"
    & skf21("3","4","2","5","7","2","7","1") = "6"
    & skf21("3","4","2","5","7","3","1","1") = "6"
    & skf21("3","4","2","5","7","3","2","1") = "6"
    & skf21("3","4","2","5","7","3","3","1") = "6"
    & skf21("3","4","2","5","7","3","4","1") = "6"
    & skf21("3","4","2","5","7","3","5","1") = "6"
    & skf21("3","4","2","5","7","3","6","1") = "6"
    & skf21("3","4","2","5","7","3","7","1") = "6"
    & skf21("3","4","2","5","7","4","1","1") = "6"
    & skf21("3","4","2","5","7","4","2","1") = "6"
    & skf21("3","4","2","5","7","4","3","1") = "6"
    & skf21("3","4","2","5","7","4","4","1") = "6"
    & skf21("3","4","2","5","7","4","5","1") = "6"
    & skf21("3","4","2","5","7","4","6","1") = "6"
    & skf21("3","4","2","5","7","4","7","1") = "6"
    & skf21("3","4","2","5","7","5","1","1") = "6"
    & skf21("3","4","2","5","7","5","2","1") = "6"
    & skf21("3","4","2","5","7","5","3","1") = "6"
    & skf21("3","4","2","5","7","5","4","1") = "6"
    & skf21("3","4","2","5","7","5","5","1") = "6"
    & skf21("3","4","2","5","7","5","6","1") = "6"
    & skf21("3","4","2","5","7","5","7","1") = "6"
    & skf21("3","4","2","5","7","6","1","1") = "6"
    & skf21("3","4","2","5","7","6","2","1") = "6"
    & skf21("3","4","2","5","7","6","3","1") = "6"
    & skf21("3","4","2","5","7","6","4","1") = "6"
    & skf21("3","4","2","5","7","6","5","1") = "6"
    & skf21("3","4","2","5","7","6","6","1") = "6"
    & skf21("3","4","2","5","7","6","7","1") = "6"
    & skf21("3","4","2","5","7","7","1","1") = "6"
    & skf21("3","4","2","5","7","7","2","1") = "6"
    & skf21("3","4","2","5","7","7","3","1") = "6"
    & skf21("3","4","2","5","7","7","4","1") = "6"
    & skf21("3","4","2","5","7","7","5","1") = "6"
    & skf21("3","4","2","5","7","7","6","1") = "6"
    & skf21("3","4","2","5","7","7","7","1") = "6"
    & skf21("3","4","2","6","1","1","1","1") = "5"
    & skf21("3","4","2","6","1","1","2","1") = "5"
    & skf21("3","4","2","6","1","1","3","1") = "5"
    & skf21("3","4","2","6","1","1","4","1") = "5"
    & skf21("3","4","2","6","1","1","5","1") = "5"
    & skf21("3","4","2","6","1","1","6","1") = "5"
    & skf21("3","4","2","6","1","1","7","1") = "6"
    & skf21("3","4","2","6","1","2","1","1") = "5"
    & skf21("3","4","2","6","1","2","2","1") = "5"
    & skf21("3","4","2","6","1","2","3","1") = "5"
    & skf21("3","4","2","6","1","2","4","1") = "5"
    & skf21("3","4","2","6","1","2","5","1") = "5"
    & skf21("3","4","2","6","1","2","6","1") = "5"
    & skf21("3","4","2","6","1","2","7","1") = "6"
    & skf21("3","4","2","6","1","3","1","1") = "5"
    & skf21("3","4","2","6","1","3","2","1") = "5"
    & skf21("3","4","2","6","1","3","3","1") = "5"
    & skf21("3","4","2","6","1","3","4","1") = "5"
    & skf21("3","4","2","6","1","3","5","1") = "5"
    & skf21("3","4","2","6","1","3","6","1") = "5"
    & skf21("3","4","2","6","1","3","7","1") = "6"
    & skf21("3","4","2","6","1","4","1","1") = "5"
    & skf21("3","4","2","6","1","4","2","1") = "5"
    & skf21("3","4","2","6","1","4","3","1") = "5"
    & skf21("3","4","2","6","1","4","4","1") = "5"
    & skf21("3","4","2","6","1","4","5","1") = "5"
    & skf21("3","4","2","6","1","4","6","1") = "5"
    & skf21("3","4","2","6","1","4","7","1") = "6"
    & skf21("3","4","2","6","1","5","1","1") = "5"
    & skf21("3","4","2","6","1","5","2","1") = "5"
    & skf21("3","4","2","6","1","5","3","1") = "5"
    & skf21("3","4","2","6","1","5","4","1") = "5"
    & skf21("3","4","2","6","1","5","5","1") = "5"
    & skf21("3","4","2","6","1","5","6","1") = "5"
    & skf21("3","4","2","6","1","5","7","1") = "6"
    & skf21("3","4","2","6","1","6","1","1") = "5"
    & skf21("3","4","2","6","1","6","2","1") = "5"
    & skf21("3","4","2","6","1","6","3","1") = "5"
    & skf21("3","4","2","6","1","6","4","1") = "5"
    & skf21("3","4","2","6","1","6","5","1") = "5"
    & skf21("3","4","2","6","1","6","6","1") = "5"
    & skf21("3","4","2","6","1","6","7","1") = "6"
    & skf21("3","4","2","6","1","7","1","1") = "6"
    & skf21("3","4","2","6","1","7","2","1") = "6"
    & skf21("3","4","2","6","1","7","3","1") = "6"
    & skf21("3","4","2","6","1","7","4","1") = "6"
    & skf21("3","4","2","6","1","7","5","1") = "6"
    & skf21("3","4","2","6","1","7","6","1") = "6"
    & skf21("3","4","2","6","1","7","7","1") = "6"
    & skf21("3","4","2","6","2","1","1","1") = "5"
    & skf21("3","4","2","6","2","1","2","1") = "5"
    & skf21("3","4","2","6","2","1","3","1") = "5"
    & skf21("3","4","2","6","2","1","4","1") = "5"
    & skf21("3","4","2","6","2","1","5","1") = "5"
    & skf21("3","4","2","6","2","1","6","1") = "5"
    & skf21("3","4","2","6","2","1","7","1") = "6"
    & skf21("3","4","2","6","2","2","1","1") = "5"
    & skf21("3","4","2","6","2","2","2","1") = "5"
    & skf21("3","4","2","6","2","2","3","1") = "5"
    & skf21("3","4","2","6","2","2","4","1") = "5"
    & skf21("3","4","2","6","2","2","5","1") = "5"
    & skf21("3","4","2","6","2","2","6","1") = "5"
    & skf21("3","4","2","6","2","2","7","1") = "6"
    & skf21("3","4","2","6","2","3","1","1") = "5"
    & skf21("3","4","2","6","2","3","2","1") = "5"
    & skf21("3","4","2","6","2","3","3","1") = "5"
    & skf21("3","4","2","6","2","3","4","1") = "5"
    & skf21("3","4","2","6","2","3","5","1") = "5"
    & skf21("3","4","2","6","2","3","6","1") = "5"
    & skf21("3","4","2","6","2","3","7","1") = "6"
    & skf21("3","4","2","6","2","4","1","1") = "5"
    & skf21("3","4","2","6","2","4","2","1") = "5"
    & skf21("3","4","2","6","2","4","3","1") = "5"
    & skf21("3","4","2","6","2","4","4","1") = "5"
    & skf21("3","4","2","6","2","4","5","1") = "5"
    & skf21("3","4","2","6","2","4","6","1") = "5"
    & skf21("3","4","2","6","2","4","7","1") = "6"
    & skf21("3","4","2","6","2","5","1","1") = "5"
    & skf21("3","4","2","6","2","5","2","1") = "5"
    & skf21("3","4","2","6","2","5","3","1") = "5"
    & skf21("3","4","2","6","2","5","4","1") = "5"
    & skf21("3","4","2","6","2","5","5","1") = "5"
    & skf21("3","4","2","6","2","5","6","1") = "5"
    & skf21("3","4","2","6","2","5","7","1") = "6"
    & skf21("3","4","2","6","2","6","1","1") = "5"
    & skf21("3","4","2","6","2","6","2","1") = "5"
    & skf21("3","4","2","6","2","6","3","1") = "5"
    & skf21("3","4","2","6","2","6","4","1") = "5"
    & skf21("3","4","2","6","2","6","5","1") = "5"
    & skf21("3","4","2","6","2","6","6","1") = "5"
    & skf21("3","4","2","6","2","6","7","1") = "6"
    & skf21("3","4","2","6","2","7","1","1") = "6"
    & skf21("3","4","2","6","2","7","2","1") = "6"
    & skf21("3","4","2","6","2","7","3","1") = "6"
    & skf21("3","4","2","6","2","7","4","1") = "6"
    & skf21("3","4","2","6","2","7","5","1") = "6"
    & skf21("3","4","2","6","2","7","6","1") = "6"
    & skf21("3","4","2","6","2","7","7","1") = "6"
    & skf21("3","4","2","6","3","1","1","1") = "5"
    & skf21("3","4","2","6","3","1","2","1") = "5"
    & skf21("3","4","2","6","3","1","3","1") = "5"
    & skf21("3","4","2","6","3","1","4","1") = "5"
    & skf21("3","4","2","6","3","1","5","1") = "5"
    & skf21("3","4","2","6","3","1","6","1") = "5"
    & skf21("3","4","2","6","3","1","7","1") = "6"
    & skf21("3","4","2","6","3","2","1","1") = "5"
    & skf21("3","4","2","6","3","2","2","1") = "5"
    & skf21("3","4","2","6","3","2","3","1") = "5"
    & skf21("3","4","2","6","3","2","4","1") = "5"
    & skf21("3","4","2","6","3","2","5","1") = "5"
    & skf21("3","4","2","6","3","2","6","1") = "5"
    & skf21("3","4","2","6","3","2","7","1") = "6"
    & skf21("3","4","2","6","3","3","1","1") = "5"
    & skf21("3","4","2","6","3","3","2","1") = "5"
    & skf21("3","4","2","6","3","3","3","1") = "5"
    & skf21("3","4","2","6","3","3","4","1") = "5"
    & skf21("3","4","2","6","3","3","5","1") = "5"
    & skf21("3","4","2","6","3","3","6","1") = "5"
    & skf21("3","4","2","6","3","3","7","1") = "6"
    & skf21("3","4","2","6","3","4","1","1") = "5"
    & skf21("3","4","2","6","3","4","2","1") = "5"
    & skf21("3","4","2","6","3","4","3","1") = "5"
    & skf21("3","4","2","6","3","4","4","1") = "5"
    & skf21("3","4","2","6","3","4","5","1") = "5"
    & skf21("3","4","2","6","3","4","6","1") = "5"
    & skf21("3","4","2","6","3","4","7","1") = "6"
    & skf21("3","4","2","6","3","5","1","1") = "5"
    & skf21("3","4","2","6","3","5","2","1") = "5"
    & skf21("3","4","2","6","3","5","3","1") = "5"
    & skf21("3","4","2","6","3","5","4","1") = "5"
    & skf21("3","4","2","6","3","5","5","1") = "5"
    & skf21("3","4","2","6","3","5","6","1") = "5"
    & skf21("3","4","2","6","3","5","7","1") = "6"
    & skf21("3","4","2","6","3","6","1","1") = "5"
    & skf21("3","4","2","6","3","6","2","1") = "5"
    & skf21("3","4","2","6","3","6","3","1") = "5"
    & skf21("3","4","2","6","3","6","4","1") = "5"
    & skf21("3","4","2","6","3","6","5","1") = "5"
    & skf21("3","4","2","6","3","6","6","1") = "5"
    & skf21("3","4","2","6","3","6","7","1") = "6"
    & skf21("3","4","2","6","3","7","1","1") = "6"
    & skf21("3","4","2","6","3","7","2","1") = "6"
    & skf21("3","4","2","6","3","7","3","1") = "6"
    & skf21("3","4","2","6","3","7","4","1") = "6"
    & skf21("3","4","2","6","3","7","5","1") = "6"
    & skf21("3","4","2","6","3","7","6","1") = "6"
    & skf21("3","4","2","6","3","7","7","1") = "6"
    & skf21("3","4","2","6","4","1","1","1") = "5"
    & skf21("3","4","2","6","4","1","2","1") = "5"
    & skf21("3","4","2","6","4","1","3","1") = "5"
    & skf21("3","4","2","6","4","1","4","1") = "5"
    & skf21("3","4","2","6","4","1","5","1") = "5"
    & skf21("3","4","2","6","4","1","6","1") = "5"
    & skf21("3","4","2","6","4","1","7","1") = "6"
    & skf21("3","4","2","6","4","2","1","1") = "5"
    & skf21("3","4","2","6","4","2","2","1") = "5"
    & skf21("3","4","2","6","4","2","3","1") = "5"
    & skf21("3","4","2","6","4","2","4","1") = "5"
    & skf21("3","4","2","6","4","2","5","1") = "5"
    & skf21("3","4","2","6","4","2","6","1") = "5"
    & skf21("3","4","2","6","4","2","7","1") = "6"
    & skf21("3","4","2","6","4","3","1","1") = "5"
    & skf21("3","4","2","6","4","3","2","1") = "5"
    & skf21("3","4","2","6","4","3","3","1") = "5"
    & skf21("3","4","2","6","4","3","4","1") = "5"
    & skf21("3","4","2","6","4","3","5","1") = "5"
    & skf21("3","4","2","6","4","3","6","1") = "5"
    & skf21("3","4","2","6","4","3","7","1") = "6"
    & skf21("3","4","2","6","4","4","1","1") = "5"
    & skf21("3","4","2","6","4","4","2","1") = "5"
    & skf21("3","4","2","6","4","4","3","1") = "5"
    & skf21("3","4","2","6","4","4","4","1") = "5"
    & skf21("3","4","2","6","4","4","5","1") = "5"
    & skf21("3","4","2","6","4","4","6","1") = "5"
    & skf21("3","4","2","6","4","4","7","1") = "6"
    & skf21("3","4","2","6","4","5","1","1") = "5"
    & skf21("3","4","2","6","4","5","2","1") = "5"
    & skf21("3","4","2","6","4","5","3","1") = "5"
    & skf21("3","4","2","6","4","5","4","1") = "5"
    & skf21("3","4","2","6","4","5","5","1") = "5"
    & skf21("3","4","2","6","4","5","6","1") = "5"
    & skf21("3","4","2","6","4","5","7","1") = "6"
    & skf21("3","4","2","6","4","6","1","1") = "5"
    & skf21("3","4","2","6","4","6","2","1") = "5"
    & skf21("3","4","2","6","4","6","3","1") = "5"
    & skf21("3","4","2","6","4","6","4","1") = "5"
    & skf21("3","4","2","6","4","6","5","1") = "5"
    & skf21("3","4","2","6","4","6","6","1") = "5"
    & skf21("3","4","2","6","4","6","7","1") = "6"
    & skf21("3","4","2","6","4","7","1","1") = "6"
    & skf21("3","4","2","6","4","7","2","1") = "6"
    & skf21("3","4","2","6","4","7","3","1") = "6"
    & skf21("3","4","2","6","4","7","4","1") = "6"
    & skf21("3","4","2","6","4","7","5","1") = "6"
    & skf21("3","4","2","6","4","7","6","1") = "6"
    & skf21("3","4","2","6","4","7","7","1") = "6"
    & skf21("3","4","2","6","5","1","1","1") = "5"
    & skf21("3","4","2","6","5","1","2","1") = "5"
    & skf21("3","4","2","6","5","1","3","1") = "5"
    & skf21("3","4","2","6","5","1","4","1") = "5"
    & skf21("3","4","2","6","5","1","5","1") = "5"
    & skf21("3","4","2","6","5","1","6","1") = "5"
    & skf21("3","4","2","6","5","1","7","1") = "6"
    & skf21("3","4","2","6","5","2","1","1") = "5"
    & skf21("3","4","2","6","5","2","2","1") = "5"
    & skf21("3","4","2","6","5","2","3","1") = "5"
    & skf21("3","4","2","6","5","2","4","1") = "5"
    & skf21("3","4","2","6","5","2","5","1") = "5"
    & skf21("3","4","2","6","5","2","6","1") = "5"
    & skf21("3","4","2","6","5","2","7","1") = "6"
    & skf21("3","4","2","6","5","3","1","1") = "5"
    & skf21("3","4","2","6","5","3","2","1") = "5"
    & skf21("3","4","2","6","5","3","3","1") = "5"
    & skf21("3","4","2","6","5","3","4","1") = "5"
    & skf21("3","4","2","6","5","3","5","1") = "5"
    & skf21("3","4","2","6","5","3","6","1") = "5"
    & skf21("3","4","2","6","5","3","7","1") = "6"
    & skf21("3","4","2","6","5","4","1","1") = "5"
    & skf21("3","4","2","6","5","4","2","1") = "5"
    & skf21("3","4","2","6","5","4","3","1") = "5"
    & skf21("3","4","2","6","5","4","4","1") = "5"
    & skf21("3","4","2","6","5","4","5","1") = "5"
    & skf21("3","4","2","6","5","4","6","1") = "5"
    & skf21("3","4","2","6","5","4","7","1") = "6"
    & skf21("3","4","2","6","5","5","1","1") = "5"
    & skf21("3","4","2","6","5","5","2","1") = "5"
    & skf21("3","4","2","6","5","5","3","1") = "5"
    & skf21("3","4","2","6","5","5","4","1") = "5"
    & skf21("3","4","2","6","5","5","5","1") = "5"
    & skf21("3","4","2","6","5","5","6","1") = "5"
    & skf21("3","4","2","6","5","5","7","1") = "6"
    & skf21("3","4","2","6","5","6","1","1") = "5"
    & skf21("3","4","2","6","5","6","2","1") = "5"
    & skf21("3","4","2","6","5","6","3","1") = "5"
    & skf21("3","4","2","6","5","6","4","1") = "5"
    & skf21("3","4","2","6","5","6","5","1") = "5"
    & skf21("3","4","2","6","5","6","6","1") = "5"
    & skf21("3","4","2","6","5","6","7","1") = "6"
    & skf21("3","4","2","6","5","7","1","1") = "6"
    & skf21("3","4","2","6","5","7","2","1") = "6"
    & skf21("3","4","2","6","5","7","3","1") = "6"
    & skf21("3","4","2","6","5","7","4","1") = "6"
    & skf21("3","4","2","6","5","7","5","1") = "6"
    & skf21("3","4","2","6","5","7","6","1") = "6"
    & skf21("3","4","2","6","5","7","7","1") = "6"
    & skf21("3","4","2","6","6","1","1","1") = "5"
    & skf21("3","4","2","6","6","1","2","1") = "5"
    & skf21("3","4","2","6","6","1","3","1") = "5"
    & skf21("3","4","2","6","6","1","4","1") = "5"
    & skf21("3","4","2","6","6","1","5","1") = "5"
    & skf21("3","4","2","6","6","1","6","1") = "5"
    & skf21("3","4","2","6","6","1","7","1") = "6"
    & skf21("3","4","2","6","6","2","1","1") = "5"
    & skf21("3","4","2","6","6","2","2","1") = "5"
    & skf21("3","4","2","6","6","2","3","1") = "5"
    & skf21("3","4","2","6","6","2","4","1") = "5"
    & skf21("3","4","2","6","6","2","5","1") = "5"
    & skf21("3","4","2","6","6","2","6","1") = "5"
    & skf21("3","4","2","6","6","2","7","1") = "6"
    & skf21("3","4","2","6","6","3","1","1") = "5"
    & skf21("3","4","2","6","6","3","2","1") = "5"
    & skf21("3","4","2","6","6","3","3","1") = "5"
    & skf21("3","4","2","6","6","3","4","1") = "5"
    & skf21("3","4","2","6","6","3","5","1") = "5"
    & skf21("3","4","2","6","6","3","6","1") = "5"
    & skf21("3","4","2","6","6","3","7","1") = "6"
    & skf21("3","4","2","6","6","4","1","1") = "5"
    & skf21("3","4","2","6","6","4","2","1") = "5"
    & skf21("3","4","2","6","6","4","3","1") = "5"
    & skf21("3","4","2","6","6","4","4","1") = "5"
    & skf21("3","4","2","6","6","4","5","1") = "5"
    & skf21("3","4","2","6","6","4","6","1") = "5"
    & skf21("3","4","2","6","6","4","7","1") = "6"
    & skf21("3","4","2","6","6","5","1","1") = "5"
    & skf21("3","4","2","6","6","5","2","1") = "5"
    & skf21("3","4","2","6","6","5","3","1") = "5"
    & skf21("3","4","2","6","6","5","4","1") = "5"
    & skf21("3","4","2","6","6","5","5","1") = "5"
    & skf21("3","4","2","6","6","5","6","1") = "5"
    & skf21("3","4","2","6","6","5","7","1") = "6"
    & skf21("3","4","2","6","6","6","1","1") = "5"
    & skf21("3","4","2","6","6","6","2","1") = "5"
    & skf21("3","4","2","6","6","6","3","1") = "5"
    & skf21("3","4","2","6","6","6","4","1") = "5"
    & skf21("3","4","2","6","6","6","5","1") = "5"
    & skf21("3","4","2","6","6","6","6","1") = "5"
    & skf21("3","4","2","6","6","6","7","1") = "6"
    & skf21("3","4","2","6","6","7","1","1") = "6"
    & skf21("3","4","2","6","6","7","2","1") = "6"
    & skf21("3","4","2","6","6","7","3","1") = "6"
    & skf21("3","4","2","6","6","7","4","1") = "6"
    & skf21("3","4","2","6","6","7","5","1") = "6"
    & skf21("3","4","2","6","6","7","6","1") = "6"
    & skf21("3","4","2","6","6","7","7","1") = "6"
    & skf21("3","4","2","6","7","1","1","1") = "6"
    & skf21("3","4","2","6","7","1","2","1") = "6"
    & skf21("3","4","2","6","7","1","3","1") = "6"
    & skf21("3","4","2","6","7","1","4","1") = "6"
    & skf21("3","4","2","6","7","1","5","1") = "6"
    & skf21("3","4","2","6","7","1","6","1") = "6"
    & skf21("3","4","2","6","7","1","7","1") = "6"
    & skf21("3","4","2","6","7","2","1","1") = "6"
    & skf21("3","4","2","6","7","2","2","1") = "6"
    & skf21("3","4","2","6","7","2","3","1") = "6"
    & skf21("3","4","2","6","7","2","4","1") = "6"
    & skf21("3","4","2","6","7","2","5","1") = "6"
    & skf21("3","4","2","6","7","2","6","1") = "6"
    & skf21("3","4","2","6","7","2","7","1") = "6"
    & skf21("3","4","2","6","7","3","1","1") = "6"
    & skf21("3","4","2","6","7","3","2","1") = "6"
    & skf21("3","4","2","6","7","3","3","1") = "6"
    & skf21("3","4","2","6","7","3","4","1") = "6"
    & skf21("3","4","2","6","7","3","5","1") = "6"
    & skf21("3","4","2","6","7","3","6","1") = "6"
    & skf21("3","4","2","6","7","3","7","1") = "6"
    & skf21("3","4","2","6","7","4","1","1") = "6"
    & skf21("3","4","2","6","7","4","2","1") = "6"
    & skf21("3","4","2","6","7","4","3","1") = "6"
    & skf21("3","4","2","6","7","4","4","1") = "6"
    & skf21("3","4","2","6","7","4","5","1") = "6"
    & skf21("3","4","2","6","7","4","6","1") = "6"
    & skf21("3","4","2","6","7","4","7","1") = "6"
    & skf21("3","4","2","6","7","5","1","1") = "6"
    & skf21("3","4","2","6","7","5","2","1") = "6"
    & skf21("3","4","2","6","7","5","3","1") = "6"
    & skf21("3","4","2","6","7","5","4","1") = "6"
    & skf21("3","4","2","6","7","5","5","1") = "6"
    & skf21("3","4","2","6","7","5","6","1") = "6"
    & skf21("3","4","2","6","7","5","7","1") = "6"
    & skf21("3","4","2","6","7","6","1","1") = "6"
    & skf21("3","4","2","6","7","6","2","1") = "6"
    & skf21("3","4","2","6","7","6","3","1") = "6"
    & skf21("3","4","2","6","7","6","4","1") = "6"
    & skf21("3","4","2","6","7","6","5","1") = "6"
    & skf21("3","4","2","6","7","6","6","1") = "6"
    & skf21("3","4","2","6","7","6","7","1") = "6"
    & skf21("3","4","2","6","7","7","1","1") = "6"
    & skf21("3","4","2","6","7","7","2","1") = "6"
    & skf21("3","4","2","6","7","7","3","1") = "6"
    & skf21("3","4","2","6","7","7","4","1") = "6"
    & skf21("3","4","2","6","7","7","5","1") = "6"
    & skf21("3","4","2","6","7","7","6","1") = "6"
    & skf21("3","4","2","6","7","7","7","1") = "6"
    & skf21("3","4","2","7","1","1","1","1") = "6"
    & skf21("3","4","2","7","1","1","2","1") = "6"
    & skf21("3","4","2","7","1","1","3","1") = "6"
    & skf21("3","4","2","7","1","1","4","1") = "6"
    & skf21("3","4","2","7","1","1","5","1") = "6"
    & skf21("3","4","2","7","1","1","6","1") = "6"
    & skf21("3","4","2","7","1","1","7","1") = "6"
    & skf21("3","4","2","7","1","2","1","1") = "6"
    & skf21("3","4","2","7","1","2","2","1") = "6"
    & skf21("3","4","2","7","1","2","3","1") = "6"
    & skf21("3","4","2","7","1","2","4","1") = "6"
    & skf21("3","4","2","7","1","2","5","1") = "6"
    & skf21("3","4","2","7","1","2","6","1") = "6"
    & skf21("3","4","2","7","1","2","7","1") = "6"
    & skf21("3","4","2","7","1","3","1","1") = "6"
    & skf21("3","4","2","7","1","3","2","1") = "6"
    & skf21("3","4","2","7","1","3","3","1") = "6"
    & skf21("3","4","2","7","1","3","4","1") = "6"
    & skf21("3","4","2","7","1","3","5","1") = "6"
    & skf21("3","4","2","7","1","3","6","1") = "6"
    & skf21("3","4","2","7","1","3","7","1") = "6"
    & skf21("3","4","2","7","1","4","1","1") = "6"
    & skf21("3","4","2","7","1","4","2","1") = "6"
    & skf21("3","4","2","7","1","4","3","1") = "6"
    & skf21("3","4","2","7","1","4","4","1") = "6"
    & skf21("3","4","2","7","1","4","5","1") = "6"
    & skf21("3","4","2","7","1","4","6","1") = "6"
    & skf21("3","4","2","7","1","4","7","1") = "6"
    & skf21("3","4","2","7","1","5","1","1") = "6"
    & skf21("3","4","2","7","1","5","2","1") = "6"
    & skf21("3","4","2","7","1","5","3","1") = "6"
    & skf21("3","4","2","7","1","5","4","1") = "6"
    & skf21("3","4","2","7","1","5","5","1") = "6"
    & skf21("3","4","2","7","1","5","6","1") = "6"
    & skf21("3","4","2","7","1","5","7","1") = "6"
    & skf21("3","4","2","7","1","6","1","1") = "6"
    & skf21("3","4","2","7","1","6","2","1") = "6"
    & skf21("3","4","2","7","1","6","3","1") = "6"
    & skf21("3","4","2","7","1","6","4","1") = "6"
    & skf21("3","4","2","7","1","6","5","1") = "6"
    & skf21("3","4","2","7","1","6","6","1") = "6"
    & skf21("3","4","2","7","1","6","7","1") = "6"
    & skf21("3","4","2","7","1","7","1","1") = "6"
    & skf21("3","4","2","7","1","7","2","1") = "6"
    & skf21("3","4","2","7","1","7","3","1") = "6"
    & skf21("3","4","2","7","1","7","4","1") = "6"
    & skf21("3","4","2","7","1","7","5","1") = "6"
    & skf21("3","4","2","7","1","7","6","1") = "6"
    & skf21("3","4","2","7","1","7","7","1") = "6"
    & skf21("3","4","2","7","2","1","1","1") = "6"
    & skf21("3","4","2","7","2","1","2","1") = "6"
    & skf21("3","4","2","7","2","1","3","1") = "6"
    & skf21("3","4","2","7","2","1","4","1") = "6"
    & skf21("3","4","2","7","2","1","5","1") = "6"
    & skf21("3","4","2","7","2","1","6","1") = "6"
    & skf21("3","4","2","7","2","1","7","1") = "6"
    & skf21("3","4","2","7","2","2","1","1") = "6"
    & skf21("3","4","2","7","2","2","2","1") = "6"
    & skf21("3","4","2","7","2","2","3","1") = "6"
    & skf21("3","4","2","7","2","2","4","1") = "6"
    & skf21("3","4","2","7","2","2","5","1") = "6"
    & skf21("3","4","2","7","2","2","6","1") = "6"
    & skf21("3","4","2","7","2","2","7","1") = "6"
    & skf21("3","4","2","7","2","3","1","1") = "6"
    & skf21("3","4","2","7","2","3","2","1") = "6"
    & skf21("3","4","2","7","2","3","3","1") = "6"
    & skf21("3","4","2","7","2","3","4","1") = "6"
    & skf21("3","4","2","7","2","3","5","1") = "6"
    & skf21("3","4","2","7","2","3","6","1") = "6"
    & skf21("3","4","2","7","2","3","7","1") = "6"
    & skf21("3","4","2","7","2","4","1","1") = "6"
    & skf21("3","4","2","7","2","4","2","1") = "6"
    & skf21("3","4","2","7","2","4","3","1") = "6"
    & skf21("3","4","2","7","2","4","4","1") = "6"
    & skf21("3","4","2","7","2","4","5","1") = "6"
    & skf21("3","4","2","7","2","4","6","1") = "6"
    & skf21("3","4","2","7","2","4","7","1") = "6"
    & skf21("3","4","2","7","2","5","1","1") = "6"
    & skf21("3","4","2","7","2","5","2","1") = "6"
    & skf21("3","4","2","7","2","5","3","1") = "6"
    & skf21("3","4","2","7","2","5","4","1") = "6"
    & skf21("3","4","2","7","2","5","5","1") = "6"
    & skf21("3","4","2","7","2","5","6","1") = "6"
    & skf21("3","4","2","7","2","5","7","1") = "6"
    & skf21("3","4","2","7","2","6","1","1") = "6"
    & skf21("3","4","2","7","2","6","2","1") = "6"
    & skf21("3","4","2","7","2","6","3","1") = "6"
    & skf21("3","4","2","7","2","6","4","1") = "6"
    & skf21("3","4","2","7","2","6","5","1") = "6"
    & skf21("3","4","2","7","2","6","6","1") = "6"
    & skf21("3","4","2","7","2","6","7","1") = "6"
    & skf21("3","4","2","7","2","7","1","1") = "6"
    & skf21("3","4","2","7","2","7","2","1") = "6"
    & skf21("3","4","2","7","2","7","3","1") = "6"
    & skf21("3","4","2","7","2","7","4","1") = "6"
    & skf21("3","4","2","7","2","7","5","1") = "6"
    & skf21("3","4","2","7","2","7","6","1") = "6"
    & skf21("3","4","2","7","2","7","7","1") = "6"
    & skf21("3","4","2","7","3","1","1","1") = "6"
    & skf21("3","4","2","7","3","1","2","1") = "6"
    & skf21("3","4","2","7","3","1","3","1") = "6"
    & skf21("3","4","2","7","3","1","4","1") = "6"
    & skf21("3","4","2","7","3","1","5","1") = "6"
    & skf21("3","4","2","7","3","1","6","1") = "6"
    & skf21("3","4","2","7","3","1","7","1") = "6"
    & skf21("3","4","2","7","3","2","1","1") = "6"
    & skf21("3","4","2","7","3","2","2","1") = "6"
    & skf21("3","4","2","7","3","2","3","1") = "6"
    & skf21("3","4","2","7","3","2","4","1") = "6"
    & skf21("3","4","2","7","3","2","5","1") = "6"
    & skf21("3","4","2","7","3","2","6","1") = "6"
    & skf21("3","4","2","7","3","2","7","1") = "6"
    & skf21("3","4","2","7","3","3","1","1") = "6"
    & skf21("3","4","2","7","3","3","2","1") = "6"
    & skf21("3","4","2","7","3","3","3","1") = "6"
    & skf21("3","4","2","7","3","3","4","1") = "6"
    & skf21("3","4","2","7","3","3","5","1") = "6"
    & skf21("3","4","2","7","3","3","6","1") = "6"
    & skf21("3","4","2","7","3","3","7","1") = "6"
    & skf21("3","4","2","7","3","4","1","1") = "6"
    & skf21("3","4","2","7","3","4","2","1") = "6"
    & skf21("3","4","2","7","3","4","3","1") = "6"
    & skf21("3","4","2","7","3","4","4","1") = "6"
    & skf21("3","4","2","7","3","4","5","1") = "6"
    & skf21("3","4","2","7","3","4","6","1") = "6"
    & skf21("3","4","2","7","3","4","7","1") = "6"
    & skf21("3","4","2","7","3","5","1","1") = "6"
    & skf21("3","4","2","7","3","5","2","1") = "6"
    & skf21("3","4","2","7","3","5","3","1") = "6"
    & skf21("3","4","2","7","3","5","4","1") = "6"
    & skf21("3","4","2","7","3","5","5","1") = "6"
    & skf21("3","4","2","7","3","5","6","1") = "6"
    & skf21("3","4","2","7","3","5","7","1") = "6"
    & skf21("3","4","2","7","3","6","1","1") = "6"
    & skf21("3","4","2","7","3","6","2","1") = "6"
    & skf21("3","4","2","7","3","6","3","1") = "6"
    & skf21("3","4","2","7","3","6","4","1") = "6"
    & skf21("3","4","2","7","3","6","5","1") = "6"
    & skf21("3","4","2","7","3","6","6","1") = "6"
    & skf21("3","4","2","7","3","6","7","1") = "6"
    & skf21("3","4","2","7","3","7","1","1") = "6"
    & skf21("3","4","2","7","3","7","2","1") = "6"
    & skf21("3","4","2","7","3","7","3","1") = "6"
    & skf21("3","4","2","7","3","7","4","1") = "6"
    & skf21("3","4","2","7","3","7","5","1") = "6"
    & skf21("3","4","2","7","3","7","6","1") = "6"
    & skf21("3","4","2","7","3","7","7","1") = "6"
    & skf21("3","4","2","7","4","1","1","1") = "6"
    & skf21("3","4","2","7","4","1","2","1") = "6"
    & skf21("3","4","2","7","4","1","3","1") = "6"
    & skf21("3","4","2","7","4","1","4","1") = "6"
    & skf21("3","4","2","7","4","1","5","1") = "6"
    & skf21("3","4","2","7","4","1","6","1") = "6"
    & skf21("3","4","2","7","4","1","7","1") = "6"
    & skf21("3","4","2","7","4","2","1","1") = "6"
    & skf21("3","4","2","7","4","2","2","1") = "6"
    & skf21("3","4","2","7","4","2","3","1") = "6"
    & skf21("3","4","2","7","4","2","4","1") = "6"
    & skf21("3","4","2","7","4","2","5","1") = "6"
    & skf21("3","4","2","7","4","2","6","1") = "6"
    & skf21("3","4","2","7","4","2","7","1") = "6"
    & skf21("3","4","2","7","4","3","1","1") = "6"
    & skf21("3","4","2","7","4","3","2","1") = "6"
    & skf21("3","4","2","7","4","3","3","1") = "6"
    & skf21("3","4","2","7","4","3","4","1") = "6"
    & skf21("3","4","2","7","4","3","5","1") = "6"
    & skf21("3","4","2","7","4","3","6","1") = "6"
    & skf21("3","4","2","7","4","3","7","1") = "6"
    & skf21("3","4","2","7","4","4","1","1") = "6"
    & skf21("3","4","2","7","4","4","2","1") = "6"
    & skf21("3","4","2","7","4","4","3","1") = "6"
    & skf21("3","4","2","7","4","4","4","1") = "6"
    & skf21("3","4","2","7","4","4","5","1") = "6"
    & skf21("3","4","2","7","4","4","6","1") = "6"
    & skf21("3","4","2","7","4","4","7","1") = "6"
    & skf21("3","4","2","7","4","5","1","1") = "6"
    & skf21("3","4","2","7","4","5","2","1") = "6"
    & skf21("3","4","2","7","4","5","3","1") = "6"
    & skf21("3","4","2","7","4","5","4","1") = "6"
    & skf21("3","4","2","7","4","5","5","1") = "6"
    & skf21("3","4","2","7","4","5","6","1") = "6"
    & skf21("3","4","2","7","4","5","7","1") = "6"
    & skf21("3","4","2","7","4","6","1","1") = "6"
    & skf21("3","4","2","7","4","6","2","1") = "6"
    & skf21("3","4","2","7","4","6","3","1") = "6"
    & skf21("3","4","2","7","4","6","4","1") = "6"
    & skf21("3","4","2","7","4","6","5","1") = "6"
    & skf21("3","4","2","7","4","6","6","1") = "6"
    & skf21("3","4","2","7","4","6","7","1") = "6"
    & skf21("3","4","2","7","4","7","1","1") = "6"
    & skf21("3","4","2","7","4","7","2","1") = "6"
    & skf21("3","4","2","7","4","7","3","1") = "6"
    & skf21("3","4","2","7","4","7","4","1") = "6"
    & skf21("3","4","2","7","4","7","5","1") = "6"
    & skf21("3","4","2","7","4","7","6","1") = "6"
    & skf21("3","4","2","7","4","7","7","1") = "6"
    & skf21("3","4","2","7","5","1","1","1") = "6"
    & skf21("3","4","2","7","5","1","2","1") = "6"
    & skf21("3","4","2","7","5","1","3","1") = "6"
    & skf21("3","4","2","7","5","1","4","1") = "6"
    & skf21("3","4","2","7","5","1","5","1") = "6"
    & skf21("3","4","2","7","5","1","6","1") = "6"
    & skf21("3","4","2","7","5","1","7","1") = "6"
    & skf21("3","4","2","7","5","2","1","1") = "6"
    & skf21("3","4","2","7","5","2","2","1") = "6"
    & skf21("3","4","2","7","5","2","3","1") = "6"
    & skf21("3","4","2","7","5","2","4","1") = "6"
    & skf21("3","4","2","7","5","2","5","1") = "6"
    & skf21("3","4","2","7","5","2","6","1") = "6"
    & skf21("3","4","2","7","5","2","7","1") = "6"
    & skf21("3","4","2","7","5","3","1","1") = "6"
    & skf21("3","4","2","7","5","3","2","1") = "6"
    & skf21("3","4","2","7","5","3","3","1") = "6"
    & skf21("3","4","2","7","5","3","4","1") = "6"
    & skf21("3","4","2","7","5","3","5","1") = "6"
    & skf21("3","4","2","7","5","3","6","1") = "6"
    & skf21("3","4","2","7","5","3","7","1") = "6"
    & skf21("3","4","2","7","5","4","1","1") = "6"
    & skf21("3","4","2","7","5","4","2","1") = "6"
    & skf21("3","4","2","7","5","4","3","1") = "6"
    & skf21("3","4","2","7","5","4","4","1") = "6"
    & skf21("3","4","2","7","5","4","5","1") = "6"
    & skf21("3","4","2","7","5","4","6","1") = "6"
    & skf21("3","4","2","7","5","4","7","1") = "6"
    & skf21("3","4","2","7","5","5","1","1") = "6"
    & skf21("3","4","2","7","5","5","2","1") = "6"
    & skf21("3","4","2","7","5","5","3","1") = "6"
    & skf21("3","4","2","7","5","5","4","1") = "6"
    & skf21("3","4","2","7","5","5","5","1") = "6"
    & skf21("3","4","2","7","5","5","6","1") = "6"
    & skf21("3","4","2","7","5","5","7","1") = "6"
    & skf21("3","4","2","7","5","6","1","1") = "6"
    & skf21("3","4","2","7","5","6","2","1") = "6"
    & skf21("3","4","2","7","5","6","3","1") = "6"
    & skf21("3","4","2","7","5","6","4","1") = "6"
    & skf21("3","4","2","7","5","6","5","1") = "6"
    & skf21("3","4","2","7","5","6","6","1") = "6"
    & skf21("3","4","2","7","5","6","7","1") = "6"
    & skf21("3","4","2","7","5","7","1","1") = "6"
    & skf21("3","4","2","7","5","7","2","1") = "6"
    & skf21("3","4","2","7","5","7","3","1") = "6"
    & skf21("3","4","2","7","5","7","4","1") = "6"
    & skf21("3","4","2","7","5","7","5","1") = "6"
    & skf21("3","4","2","7","5","7","6","1") = "6"
    & skf21("3","4","2","7","5","7","7","1") = "6"
    & skf21("3","4","2","7","6","1","1","1") = "6"
    & skf21("3","4","2","7","6","1","2","1") = "6"
    & skf21("3","4","2","7","6","1","3","1") = "6"
    & skf21("3","4","2","7","6","1","4","1") = "6"
    & skf21("3","4","2","7","6","1","5","1") = "6"
    & skf21("3","4","2","7","6","1","6","1") = "6"
    & skf21("3","4","2","7","6","1","7","1") = "6"
    & skf21("3","4","2","7","6","2","1","1") = "6"
    & skf21("3","4","2","7","6","2","2","1") = "6"
    & skf21("3","4","2","7","6","2","3","1") = "6"
    & skf21("3","4","2","7","6","2","4","1") = "6"
    & skf21("3","4","2","7","6","2","5","1") = "6"
    & skf21("3","4","2","7","6","2","6","1") = "6"
    & skf21("3","4","2","7","6","2","7","1") = "6"
    & skf21("3","4","2","7","6","3","1","1") = "6"
    & skf21("3","4","2","7","6","3","2","1") = "6"
    & skf21("3","4","2","7","6","3","3","1") = "6"
    & skf21("3","4","2","7","6","3","4","1") = "6"
    & skf21("3","4","2","7","6","3","5","1") = "6"
    & skf21("3","4","2","7","6","3","6","1") = "6"
    & skf21("3","4","2","7","6","3","7","1") = "6"
    & skf21("3","4","2","7","6","4","1","1") = "6"
    & skf21("3","4","2","7","6","4","2","1") = "6"
    & skf21("3","4","2","7","6","4","3","1") = "6"
    & skf21("3","4","2","7","6","4","4","1") = "6"
    & skf21("3","4","2","7","6","4","5","1") = "6"
    & skf21("3","4","2","7","6","4","6","1") = "6"
    & skf21("3","4","2","7","6","4","7","1") = "6"
    & skf21("3","4","2","7","6","5","1","1") = "6"
    & skf21("3","4","2","7","6","5","2","1") = "6"
    & skf21("3","4","2","7","6","5","3","1") = "6"
    & skf21("3","4","2","7","6","5","4","1") = "6"
    & skf21("3","4","2","7","6","5","5","1") = "6"
    & skf21("3","4","2","7","6","5","6","1") = "6"
    & skf21("3","4","2","7","6","5","7","1") = "6"
    & skf21("3","4","2","7","6","6","1","1") = "6"
    & skf21("3","4","2","7","6","6","2","1") = "6"
    & skf21("3","4","2","7","6","6","3","1") = "6"
    & skf21("3","4","2","7","6","6","4","1") = "6"
    & skf21("3","4","2","7","6","6","5","1") = "6"
    & skf21("3","4","2","7","6","6","6","1") = "6"
    & skf21("3","4","2","7","6","6","7","1") = "6"
    & skf21("3","4","2","7","6","7","1","1") = "6"
    & skf21("3","4","2","7","6","7","2","1") = "6"
    & skf21("3","4","2","7","6","7","3","1") = "6"
    & skf21("3","4","2","7","6","7","4","1") = "6"
    & skf21("3","4","2","7","6","7","5","1") = "6"
    & skf21("3","4","2","7","6","7","6","1") = "6"
    & skf21("3","4","2","7","6","7","7","1") = "6"
    & skf21("3","4","2","7","7","1","1","1") = "6"
    & skf21("3","4","2","7","7","1","2","1") = "6"
    & skf21("3","4","2","7","7","1","3","1") = "6"
    & skf21("3","4","2","7","7","1","4","1") = "6"
    & skf21("3","4","2","7","7","1","5","1") = "6"
    & skf21("3","4","2","7","7","1","6","1") = "6"
    & skf21("3","4","2","7","7","1","7","1") = "6"
    & skf21("3","4","2","7","7","2","1","1") = "6"
    & skf21("3","4","2","7","7","2","2","1") = "6"
    & skf21("3","4","2","7","7","2","3","1") = "6"
    & skf21("3","4","2","7","7","2","4","1") = "6"
    & skf21("3","4","2","7","7","2","5","1") = "6"
    & skf21("3","4","2","7","7","2","6","1") = "6"
    & skf21("3","4","2","7","7","2","7","1") = "6"
    & skf21("3","4","2","7","7","3","1","1") = "6"
    & skf21("3","4","2","7","7","3","2","1") = "6"
    & skf21("3","4","2","7","7","3","3","1") = "6"
    & skf21("3","4","2","7","7","3","4","1") = "6"
    & skf21("3","4","2","7","7","3","5","1") = "6"
    & skf21("3","4","2","7","7","3","6","1") = "6"
    & skf21("3","4","2","7","7","3","7","1") = "6"
    & skf21("3","4","2","7","7","4","1","1") = "6"
    & skf21("3","4","2","7","7","4","2","1") = "6"
    & skf21("3","4","2","7","7","4","3","1") = "6"
    & skf21("3","4","2","7","7","4","4","1") = "6"
    & skf21("3","4","2","7","7","4","5","1") = "6"
    & skf21("3","4","2","7","7","4","6","1") = "6"
    & skf21("3","4","2","7","7","4","7","1") = "6"
    & skf21("3","4","2","7","7","5","1","1") = "6"
    & skf21("3","4","2","7","7","5","2","1") = "6"
    & skf21("3","4","2","7","7","5","3","1") = "6"
    & skf21("3","4","2","7","7","5","4","1") = "6"
    & skf21("3","4","2","7","7","5","5","1") = "6"
    & skf21("3","4","2","7","7","5","6","1") = "6"
    & skf21("3","4","2","7","7","5","7","1") = "6"
    & skf21("3","4","2","7","7","6","1","1") = "6"
    & skf21("3","4","2","7","7","6","2","1") = "6"
    & skf21("3","4","2","7","7","6","3","1") = "6"
    & skf21("3","4","2","7","7","6","4","1") = "6"
    & skf21("3","4","2","7","7","6","5","1") = "6"
    & skf21("3","4","2","7","7","6","6","1") = "6"
    & skf21("3","4","2","7","7","6","7","1") = "6"
    & skf21("3","4","2","7","7","7","1","1") = "6"
    & skf21("3","4","2","7","7","7","2","1") = "6"
    & skf21("3","4","2","7","7","7","3","1") = "6"
    & skf21("3","4","2","7","7","7","4","1") = "6"
    & skf21("3","4","2","7","7","7","5","1") = "6"
    & skf21("3","4","2","7","7","7","6","1") = "6"
    & skf21("3","4","2","7","7","7","7","1") = "6"
    & skf21("3","4","3","1","1","1","1","1") = "3"
    & skf21("3","4","3","1","1","1","2","1") = "3"
    & skf21("3","4","3","1","1","1","3","1") = "3"
    & skf21("3","4","3","1","1","1","4","1") = "3"
    & skf21("3","4","3","1","1","1","5","1") = "4"
    & skf21("3","4","3","1","1","1","6","1") = "5"
    & skf21("3","4","3","1","1","1","7","1") = "6"
    & skf21("3","4","3","1","1","2","1","1") = "3"
    & skf21("3","4","3","1","1","2","2","1") = "3"
    & skf21("3","4","3","1","1","2","3","1") = "3"
    & skf21("3","4","3","1","1","2","4","1") = "3"
    & skf21("3","4","3","1","1","2","5","1") = "4"
    & skf21("3","4","3","1","1","2","6","1") = "5"
    & skf21("3","4","3","1","1","2","7","1") = "6"
    & skf21("3","4","3","1","1","3","1","1") = "3"
    & skf21("3","4","3","1","1","3","2","1") = "3"
    & skf21("3","4","3","1","1","3","3","1") = "3"
    & skf21("3","4","3","1","1","3","4","1") = "3"
    & skf21("3","4","3","1","1","3","5","1") = "4"
    & skf21("3","4","3","1","1","3","6","1") = "5"
    & skf21("3","4","3","1","1","3","7","1") = "6"
    & skf21("3","4","3","1","1","4","1","1") = "3"
    & skf21("3","4","3","1","1","4","2","1") = "3"
    & skf21("3","4","3","1","1","4","3","1") = "3"
    & skf21("3","4","3","1","1","4","4","1") = "3"
    & skf21("3","4","3","1","1","4","5","1") = "4"
    & skf21("3","4","3","1","1","4","6","1") = "5"
    & skf21("3","4","3","1","1","4","7","1") = "6"
    & skf21("3","4","3","1","1","5","1","1") = "4"
    & skf21("3","4","3","1","1","5","2","1") = "4"
    & skf21("3","4","3","1","1","5","3","1") = "4"
    & skf21("3","4","3","1","1","5","4","1") = "4"
    & skf21("3","4","3","1","1","5","5","1") = "4"
    & skf21("3","4","3","1","1","5","6","1") = "5"
    & skf21("3","4","3","1","1","5","7","1") = "6"
    & skf21("3","4","3","1","1","6","1","1") = "5"
    & skf21("3","4","3","1","1","6","2","1") = "5"
    & skf21("3","4","3","1","1","6","3","1") = "5"
    & skf21("3","4","3","1","1","6","4","1") = "5"
    & skf21("3","4","3","1","1","6","5","1") = "5"
    & skf21("3","4","3","1","1","6","6","1") = "5"
    & skf21("3","4","3","1","1","6","7","1") = "6"
    & skf21("3","4","3","1","1","7","1","1") = "6"
    & skf21("3","4","3","1","1","7","2","1") = "6"
    & skf21("3","4","3","1","1","7","3","1") = "6"
    & skf21("3","4","3","1","1","7","4","1") = "6"
    & skf21("3","4","3","1","1","7","5","1") = "6"
    & skf21("3","4","3","1","1","7","6","1") = "6"
    & skf21("3","4","3","1","1","7","7","1") = "6"
    & skf21("3","4","3","1","2","1","1","1") = "3"
    & skf21("3","4","3","1","2","1","2","1") = "3"
    & skf21("3","4","3","1","2","1","3","1") = "3"
    & skf21("3","4","3","1","2","1","4","1") = "3"
    & skf21("3","4","3","1","2","1","5","1") = "4"
    & skf21("3","4","3","1","2","1","6","1") = "5"
    & skf21("3","4","3","1","2","1","7","1") = "6"
    & skf21("3","4","3","1","2","2","1","1") = "3"
    & skf21("3","4","3","1","2","2","2","1") = "3"
    & skf21("3","4","3","1","2","2","3","1") = "3"
    & skf21("3","4","3","1","2","2","4","1") = "3"
    & skf21("3","4","3","1","2","2","5","1") = "4"
    & skf21("3","4","3","1","2","2","6","1") = "5"
    & skf21("3","4","3","1","2","2","7","1") = "6"
    & skf21("3","4","3","1","2","3","1","1") = "3"
    & skf21("3","4","3","1","2","3","2","1") = "3"
    & skf21("3","4","3","1","2","3","3","1") = "3"
    & skf21("3","4","3","1","2","3","4","1") = "3"
    & skf21("3","4","3","1","2","3","5","1") = "4"
    & skf21("3","4","3","1","2","3","6","1") = "5"
    & skf21("3","4","3","1","2","3","7","1") = "6"
    & skf21("3","4","3","1","2","4","1","1") = "3"
    & skf21("3","4","3","1","2","4","2","1") = "3"
    & skf21("3","4","3","1","2","4","3","1") = "3"
    & skf21("3","4","3","1","2","4","4","1") = "3"
    & skf21("3","4","3","1","2","4","5","1") = "4"
    & skf21("3","4","3","1","2","4","6","1") = "5"
    & skf21("3","4","3","1","2","4","7","1") = "6"
    & skf21("3","4","3","1","2","5","1","1") = "4"
    & skf21("3","4","3","1","2","5","2","1") = "4"
    & skf21("3","4","3","1","2","5","3","1") = "4"
    & skf21("3","4","3","1","2","5","4","1") = "4"
    & skf21("3","4","3","1","2","5","5","1") = "4"
    & skf21("3","4","3","1","2","5","6","1") = "5"
    & skf21("3","4","3","1","2","5","7","1") = "6"
    & skf21("3","4","3","1","2","6","1","1") = "5"
    & skf21("3","4","3","1","2","6","2","1") = "5"
    & skf21("3","4","3","1","2","6","3","1") = "5"
    & skf21("3","4","3","1","2","6","4","1") = "5"
    & skf21("3","4","3","1","2","6","5","1") = "5"
    & skf21("3","4","3","1","2","6","6","1") = "5"
    & skf21("3","4","3","1","2","6","7","1") = "6"
    & skf21("3","4","3","1","2","7","1","1") = "6"
    & skf21("3","4","3","1","2","7","2","1") = "6"
    & skf21("3","4","3","1","2","7","3","1") = "6"
    & skf21("3","4","3","1","2","7","4","1") = "6"
    & skf21("3","4","3","1","2","7","5","1") = "6"
    & skf21("3","4","3","1","2","7","6","1") = "6"
    & skf21("3","4","3","1","2","7","7","1") = "6"
    & skf21("3","4","3","1","3","1","1","1") = "3"
    & skf21("3","4","3","1","3","1","2","1") = "3"
    & skf21("3","4","3","1","3","1","3","1") = "3"
    & skf21("3","4","3","1","3","1","4","1") = "3"
    & skf21("3","4","3","1","3","1","5","1") = "4"
    & skf21("3","4","3","1","3","1","6","1") = "5"
    & skf21("3","4","3","1","3","1","7","1") = "6"
    & skf21("3","4","3","1","3","2","1","1") = "3"
    & skf21("3","4","3","1","3","2","2","1") = "3"
    & skf21("3","4","3","1","3","2","3","1") = "3"
    & skf21("3","4","3","1","3","2","4","1") = "3"
    & skf21("3","4","3","1","3","2","5","1") = "4"
    & skf21("3","4","3","1","3","2","6","1") = "5"
    & skf21("3","4","3","1","3","2","7","1") = "6"
    & skf21("3","4","3","1","3","3","1","1") = "3"
    & skf21("3","4","3","1","3","3","2","1") = "3"
    & skf21("3","4","3","1","3","3","3","1") = "3"
    & skf21("3","4","3","1","3","3","4","1") = "3"
    & skf21("3","4","3","1","3","3","5","1") = "4"
    & skf21("3","4","3","1","3","3","6","1") = "5"
    & skf21("3","4","3","1","3","3","7","1") = "6"
    & skf21("3","4","3","1","3","4","1","1") = "3"
    & skf21("3","4","3","1","3","4","2","1") = "3"
    & skf21("3","4","3","1","3","4","3","1") = "3"
    & skf21("3","4","3","1","3","4","4","1") = "3"
    & skf21("3","4","3","1","3","4","5","1") = "4"
    & skf21("3","4","3","1","3","4","6","1") = "5"
    & skf21("3","4","3","1","3","4","7","1") = "6"
    & skf21("3","4","3","1","3","5","1","1") = "4"
    & skf21("3","4","3","1","3","5","2","1") = "4"
    & skf21("3","4","3","1","3","5","3","1") = "4"
    & skf21("3","4","3","1","3","5","4","1") = "4"
    & skf21("3","4","3","1","3","5","5","1") = "4"
    & skf21("3","4","3","1","3","5","6","1") = "5"
    & skf21("3","4","3","1","3","5","7","1") = "6"
    & skf21("3","4","3","1","3","6","1","1") = "5"
    & skf21("3","4","3","1","3","6","2","1") = "5"
    & skf21("3","4","3","1","3","6","3","1") = "5"
    & skf21("3","4","3","1","3","6","4","1") = "5"
    & skf21("3","4","3","1","3","6","5","1") = "5"
    & skf21("3","4","3","1","3","6","6","1") = "5"
    & skf21("3","4","3","1","3","6","7","1") = "6"
    & skf21("3","4","3","1","3","7","1","1") = "6"
    & skf21("3","4","3","1","3","7","2","1") = "6"
    & skf21("3","4","3","1","3","7","3","1") = "6"
    & skf21("3","4","3","1","3","7","4","1") = "6"
    & skf21("3","4","3","1","3","7","5","1") = "6"
    & skf21("3","4","3","1","3","7","6","1") = "6"
    & skf21("3","4","3","1","3","7","7","1") = "6"
    & skf21("3","4","3","1","4","1","1","1") = "3"
    & skf21("3","4","3","1","4","1","2","1") = "3"
    & skf21("3","4","3","1","4","1","3","1") = "3"
    & skf21("3","4","3","1","4","1","4","1") = "3"
    & skf21("3","4","3","1","4","1","5","1") = "4"
    & skf21("3","4","3","1","4","1","6","1") = "5"
    & skf21("3","4","3","1","4","1","7","1") = "6"
    & skf21("3","4","3","1","4","2","1","1") = "3"
    & skf21("3","4","3","1","4","2","2","1") = "3"
    & skf21("3","4","3","1","4","2","3","1") = "3"
    & skf21("3","4","3","1","4","2","4","1") = "3"
    & skf21("3","4","3","1","4","2","5","1") = "4"
    & skf21("3","4","3","1","4","2","6","1") = "5"
    & skf21("3","4","3","1","4","2","7","1") = "6"
    & skf21("3","4","3","1","4","3","1","1") = "3"
    & skf21("3","4","3","1","4","3","2","1") = "3"
    & skf21("3","4","3","1","4","3","3","1") = "3"
    & skf21("3","4","3","1","4","3","4","1") = "3"
    & skf21("3","4","3","1","4","3","5","1") = "4"
    & skf21("3","4","3","1","4","3","6","1") = "5"
    & skf21("3","4","3","1","4","3","7","1") = "6"
    & skf21("3","4","3","1","4","4","1","1") = "3"
    & skf21("3","4","3","1","4","4","2","1") = "3"
    & skf21("3","4","3","1","4","4","3","1") = "3"
    & skf21("3","4","3","1","4","4","4","1") = "3"
    & skf21("3","4","3","1","4","4","5","1") = "4"
    & skf21("3","4","3","1","4","4","6","1") = "5"
    & skf21("3","4","3","1","4","4","7","1") = "6"
    & skf21("3","4","3","1","4","5","1","1") = "4"
    & skf21("3","4","3","1","4","5","2","1") = "4"
    & skf21("3","4","3","1","4","5","3","1") = "4"
    & skf21("3","4","3","1","4","5","4","1") = "4"
    & skf21("3","4","3","1","4","5","5","1") = "4"
    & skf21("3","4","3","1","4","5","6","1") = "5"
    & skf21("3","4","3","1","4","5","7","1") = "6"
    & skf21("3","4","3","1","4","6","1","1") = "5"
    & skf21("3","4","3","1","4","6","2","1") = "5"
    & skf21("3","4","3","1","4","6","3","1") = "5"
    & skf21("3","4","3","1","4","6","4","1") = "5"
    & skf21("3","4","3","1","4","6","5","1") = "5"
    & skf21("3","4","3","1","4","6","6","1") = "5"
    & skf21("3","4","3","1","4","6","7","1") = "6"
    & skf21("3","4","3","1","4","7","1","1") = "6"
    & skf21("3","4","3","1","4","7","2","1") = "6"
    & skf21("3","4","3","1","4","7","3","1") = "6"
    & skf21("3","4","3","1","4","7","4","1") = "6"
    & skf21("3","4","3","1","4","7","5","1") = "6"
    & skf21("3","4","3","1","4","7","6","1") = "6"
    & skf21("3","4","3","1","4","7","7","1") = "6"
    & skf21("3","4","3","1","5","1","1","1") = "4"
    & skf21("3","4","3","1","5","1","2","1") = "4"
    & skf21("3","4","3","1","5","1","3","1") = "4"
    & skf21("3","4","3","1","5","1","4","1") = "4"
    & skf21("3","4","3","1","5","1","5","1") = "4"
    & skf21("3","4","3","1","5","1","6","1") = "5"
    & skf21("3","4","3","1","5","1","7","1") = "6"
    & skf21("3","4","3","1","5","2","1","1") = "4"
    & skf21("3","4","3","1","5","2","2","1") = "4"
    & skf21("3","4","3","1","5","2","3","1") = "4"
    & skf21("3","4","3","1","5","2","4","1") = "4"
    & skf21("3","4","3","1","5","2","5","1") = "4"
    & skf21("3","4","3","1","5","2","6","1") = "5"
    & skf21("3","4","3","1","5","2","7","1") = "6"
    & skf21("3","4","3","1","5","3","1","1") = "4"
    & skf21("3","4","3","1","5","3","2","1") = "4"
    & skf21("3","4","3","1","5","3","3","1") = "4"
    & skf21("3","4","3","1","5","3","4","1") = "4"
    & skf21("3","4","3","1","5","3","5","1") = "4"
    & skf21("3","4","3","1","5","3","6","1") = "5"
    & skf21("3","4","3","1","5","3","7","1") = "6"
    & skf21("3","4","3","1","5","4","1","1") = "4"
    & skf21("3","4","3","1","5","4","2","1") = "4"
    & skf21("3","4","3","1","5","4","3","1") = "4"
    & skf21("3","4","3","1","5","4","4","1") = "4"
    & skf21("3","4","3","1","5","4","5","1") = "4"
    & skf21("3","4","3","1","5","4","6","1") = "5"
    & skf21("3","4","3","1","5","4","7","1") = "6"
    & skf21("3","4","3","1","5","5","1","1") = "4"
    & skf21("3","4","3","1","5","5","2","1") = "4"
    & skf21("3","4","3","1","5","5","3","1") = "4"
    & skf21("3","4","3","1","5","5","4","1") = "4"
    & skf21("3","4","3","1","5","5","5","1") = "4"
    & skf21("3","4","3","1","5","5","6","1") = "5"
    & skf21("3","4","3","1","5","5","7","1") = "6"
    & skf21("3","4","3","1","5","6","1","1") = "5"
    & skf21("3","4","3","1","5","6","2","1") = "5"
    & skf21("3","4","3","1","5","6","3","1") = "5"
    & skf21("3","4","3","1","5","6","4","1") = "5"
    & skf21("3","4","3","1","5","6","5","1") = "5"
    & skf21("3","4","3","1","5","6","6","1") = "5"
    & skf21("3","4","3","1","5","6","7","1") = "6"
    & skf21("3","4","3","1","5","7","1","1") = "6"
    & skf21("3","4","3","1","5","7","2","1") = "6"
    & skf21("3","4","3","1","5","7","3","1") = "6"
    & skf21("3","4","3","1","5","7","4","1") = "6"
    & skf21("3","4","3","1","5","7","5","1") = "6"
    & skf21("3","4","3","1","5","7","6","1") = "6"
    & skf21("3","4","3","1","5","7","7","1") = "6"
    & skf21("3","4","3","1","6","1","1","1") = "5"
    & skf21("3","4","3","1","6","1","2","1") = "5"
    & skf21("3","4","3","1","6","1","3","1") = "5"
    & skf21("3","4","3","1","6","1","4","1") = "5"
    & skf21("3","4","3","1","6","1","5","1") = "5"
    & skf21("3","4","3","1","6","1","6","1") = "5"
    & skf21("3","4","3","1","6","1","7","1") = "6"
    & skf21("3","4","3","1","6","2","1","1") = "5"
    & skf21("3","4","3","1","6","2","2","1") = "5"
    & skf21("3","4","3","1","6","2","3","1") = "5"
    & skf21("3","4","3","1","6","2","4","1") = "5"
    & skf21("3","4","3","1","6","2","5","1") = "5"
    & skf21("3","4","3","1","6","2","6","1") = "5"
    & skf21("3","4","3","1","6","2","7","1") = "6"
    & skf21("3","4","3","1","6","3","1","1") = "5"
    & skf21("3","4","3","1","6","3","2","1") = "5"
    & skf21("3","4","3","1","6","3","3","1") = "5"
    & skf21("3","4","3","1","6","3","4","1") = "5"
    & skf21("3","4","3","1","6","3","5","1") = "5"
    & skf21("3","4","3","1","6","3","6","1") = "5"
    & skf21("3","4","3","1","6","3","7","1") = "6"
    & skf21("3","4","3","1","6","4","1","1") = "5"
    & skf21("3","4","3","1","6","4","2","1") = "5"
    & skf21("3","4","3","1","6","4","3","1") = "5"
    & skf21("3","4","3","1","6","4","4","1") = "5"
    & skf21("3","4","3","1","6","4","5","1") = "5"
    & skf21("3","4","3","1","6","4","6","1") = "5"
    & skf21("3","4","3","1","6","4","7","1") = "6"
    & skf21("3","4","3","1","6","5","1","1") = "5"
    & skf21("3","4","3","1","6","5","2","1") = "5"
    & skf21("3","4","3","1","6","5","3","1") = "5"
    & skf21("3","4","3","1","6","5","4","1") = "5"
    & skf21("3","4","3","1","6","5","5","1") = "5"
    & skf21("3","4","3","1","6","5","6","1") = "5"
    & skf21("3","4","3","1","6","5","7","1") = "6"
    & skf21("3","4","3","1","6","6","1","1") = "5"
    & skf21("3","4","3","1","6","6","2","1") = "5"
    & skf21("3","4","3","1","6","6","3","1") = "5"
    & skf21("3","4","3","1","6","6","4","1") = "5"
    & skf21("3","4","3","1","6","6","5","1") = "5"
    & skf21("3","4","3","1","6","6","6","1") = "5"
    & skf21("3","4","3","1","6","6","7","1") = "6"
    & skf21("3","4","3","1","6","7","1","1") = "6"
    & skf21("3","4","3","1","6","7","2","1") = "6"
    & skf21("3","4","3","1","6","7","3","1") = "6"
    & skf21("3","4","3","1","6","7","4","1") = "6"
    & skf21("3","4","3","1","6","7","5","1") = "6"
    & skf21("3","4","3","1","6","7","6","1") = "6"
    & skf21("3","4","3","1","6","7","7","1") = "6"
    & skf21("3","4","3","1","7","1","1","1") = "6"
    & skf21("3","4","3","1","7","1","2","1") = "6"
    & skf21("3","4","3","1","7","1","3","1") = "6"
    & skf21("3","4","3","1","7","1","4","1") = "6"
    & skf21("3","4","3","1","7","1","5","1") = "6"
    & skf21("3","4","3","1","7","1","6","1") = "6"
    & skf21("3","4","3","1","7","1","7","1") = "6"
    & skf21("3","4","3","1","7","2","1","1") = "6"
    & skf21("3","4","3","1","7","2","2","1") = "6"
    & skf21("3","4","3","1","7","2","3","1") = "6"
    & skf21("3","4","3","1","7","2","4","1") = "6"
    & skf21("3","4","3","1","7","2","5","1") = "6"
    & skf21("3","4","3","1","7","2","6","1") = "6"
    & skf21("3","4","3","1","7","2","7","1") = "6"
    & skf21("3","4","3","1","7","3","1","1") = "6"
    & skf21("3","4","3","1","7","3","2","1") = "6"
    & skf21("3","4","3","1","7","3","3","1") = "6"
    & skf21("3","4","3","1","7","3","4","1") = "6"
    & skf21("3","4","3","1","7","3","5","1") = "6"
    & skf21("3","4","3","1","7","3","6","1") = "6"
    & skf21("3","4","3","1","7","3","7","1") = "6"
    & skf21("3","4","3","1","7","4","1","1") = "6"
    & skf21("3","4","3","1","7","4","2","1") = "6"
    & skf21("3","4","3","1","7","4","3","1") = "6"
    & skf21("3","4","3","1","7","4","4","1") = "6"
    & skf21("3","4","3","1","7","4","5","1") = "6"
    & skf21("3","4","3","1","7","4","6","1") = "6"
    & skf21("3","4","3","1","7","4","7","1") = "6"
    & skf21("3","4","3","1","7","5","1","1") = "6"
    & skf21("3","4","3","1","7","5","2","1") = "6"
    & skf21("3","4","3","1","7","5","3","1") = "6"
    & skf21("3","4","3","1","7","5","4","1") = "6"
    & skf21("3","4","3","1","7","5","5","1") = "6"
    & skf21("3","4","3","1","7","5","6","1") = "6"
    & skf21("3","4","3","1","7","5","7","1") = "6"
    & skf21("3","4","3","1","7","6","1","1") = "6"
    & skf21("3","4","3","1","7","6","2","1") = "6"
    & skf21("3","4","3","1","7","6","3","1") = "6"
    & skf21("3","4","3","1","7","6","4","1") = "6"
    & skf21("3","4","3","1","7","6","5","1") = "6"
    & skf21("3","4","3","1","7","6","6","1") = "6"
    & skf21("3","4","3","1","7","6","7","1") = "6"
    & skf21("3","4","3","1","7","7","1","1") = "6"
    & skf21("3","4","3","1","7","7","2","1") = "6"
    & skf21("3","4","3","1","7","7","3","1") = "6"
    & skf21("3","4","3","1","7","7","4","1") = "6"
    & skf21("3","4","3","1","7","7","5","1") = "6"
    & skf21("3","4","3","1","7","7","6","1") = "6"
    & skf21("3","4","3","1","7","7","7","1") = "6"
    & skf21("3","4","3","2","1","1","1","1") = "3"
    & skf21("3","4","3","2","1","1","2","1") = "3"
    & skf21("3","4","3","2","1","1","3","1") = "3"
    & skf21("3","4","3","2","1","1","4","1") = "3"
    & skf21("3","4","3","2","1","1","5","1") = "4"
    & skf21("3","4","3","2","1","1","6","1") = "5"
    & skf21("3","4","3","2","1","1","7","1") = "6"
    & skf21("3","4","3","2","1","2","1","1") = "3"
    & skf21("3","4","3","2","1","2","2","1") = "3"
    & skf21("3","4","3","2","1","2","3","1") = "3"
    & skf21("3","4","3","2","1","2","4","1") = "3"
    & skf21("3","4","3","2","1","2","5","1") = "4"
    & skf21("3","4","3","2","1","2","6","1") = "5"
    & skf21("3","4","3","2","1","2","7","1") = "6"
    & skf21("3","4","3","2","1","3","1","1") = "3"
    & skf21("3","4","3","2","1","3","2","1") = "3"
    & skf21("3","4","3","2","1","3","3","1") = "3"
    & skf21("3","4","3","2","1","3","4","1") = "3"
    & skf21("3","4","3","2","1","3","5","1") = "4"
    & skf21("3","4","3","2","1","3","6","1") = "5"
    & skf21("3","4","3","2","1","3","7","1") = "6"
    & skf21("3","4","3","2","1","4","1","1") = "3"
    & skf21("3","4","3","2","1","4","2","1") = "3"
    & skf21("3","4","3","2","1","4","3","1") = "3"
    & skf21("3","4","3","2","1","4","4","1") = "3"
    & skf21("3","4","3","2","1","4","5","1") = "4"
    & skf21("3","4","3","2","1","4","6","1") = "5"
    & skf21("3","4","3","2","1","4","7","1") = "6"
    & skf21("3","4","3","2","1","5","1","1") = "4"
    & skf21("3","4","3","2","1","5","2","1") = "4"
    & skf21("3","4","3","2","1","5","3","1") = "4"
    & skf21("3","4","3","2","1","5","4","1") = "4"
    & skf21("3","4","3","2","1","5","5","1") = "4"
    & skf21("3","4","3","2","1","5","6","1") = "5"
    & skf21("3","4","3","2","1","5","7","1") = "6"
    & skf21("3","4","3","2","1","6","1","1") = "5"
    & skf21("3","4","3","2","1","6","2","1") = "5"
    & skf21("3","4","3","2","1","6","3","1") = "5"
    & skf21("3","4","3","2","1","6","4","1") = "5"
    & skf21("3","4","3","2","1","6","5","1") = "5"
    & skf21("3","4","3","2","1","6","6","1") = "5"
    & skf21("3","4","3","2","1","6","7","1") = "6"
    & skf21("3","4","3","2","1","7","1","1") = "6"
    & skf21("3","4","3","2","1","7","2","1") = "6"
    & skf21("3","4","3","2","1","7","3","1") = "6"
    & skf21("3","4","3","2","1","7","4","1") = "6"
    & skf21("3","4","3","2","1","7","5","1") = "6"
    & skf21("3","4","3","2","1","7","6","1") = "6"
    & skf21("3","4","3","2","1","7","7","1") = "6"
    & skf21("3","4","3","2","2","1","1","1") = "3"
    & skf21("3","4","3","2","2","1","2","1") = "3"
    & skf21("3","4","3","2","2","1","3","1") = "3"
    & skf21("3","4","3","2","2","1","4","1") = "3"
    & skf21("3","4","3","2","2","1","5","1") = "4"
    & skf21("3","4","3","2","2","1","6","1") = "5"
    & skf21("3","4","3","2","2","1","7","1") = "6"
    & skf21("3","4","3","2","2","2","1","1") = "3"
    & skf21("3","4","3","2","2","2","2","1") = "3"
    & skf21("3","4","3","2","2","2","3","1") = "3"
    & skf21("3","4","3","2","2","2","4","1") = "3"
    & skf21("3","4","3","2","2","2","5","1") = "4"
    & skf21("3","4","3","2","2","2","6","1") = "5"
    & skf21("3","4","3","2","2","2","7","1") = "6"
    & skf21("3","4","3","2","2","3","1","1") = "3"
    & skf21("3","4","3","2","2","3","2","1") = "3"
    & skf21("3","4","3","2","2","3","3","1") = "3"
    & skf21("3","4","3","2","2","3","4","1") = "3"
    & skf21("3","4","3","2","2","3","5","1") = "4"
    & skf21("3","4","3","2","2","3","6","1") = "5"
    & skf21("3","4","3","2","2","3","7","1") = "6"
    & skf21("3","4","3","2","2","4","1","1") = "3"
    & skf21("3","4","3","2","2","4","2","1") = "3"
    & skf21("3","4","3","2","2","4","3","1") = "3"
    & skf21("3","4","3","2","2","4","4","1") = "3"
    & skf21("3","4","3","2","2","4","5","1") = "4"
    & skf21("3","4","3","2","2","4","6","1") = "5"
    & skf21("3","4","3","2","2","4","7","1") = "6"
    & skf21("3","4","3","2","2","5","1","1") = "4"
    & skf21("3","4","3","2","2","5","2","1") = "4"
    & skf21("3","4","3","2","2","5","3","1") = "4"
    & skf21("3","4","3","2","2","5","4","1") = "4"
    & skf21("3","4","3","2","2","5","5","1") = "4"
    & skf21("3","4","3","2","2","5","6","1") = "5"
    & skf21("3","4","3","2","2","5","7","1") = "6"
    & skf21("3","4","3","2","2","6","1","1") = "5"
    & skf21("3","4","3","2","2","6","2","1") = "5"
    & skf21("3","4","3","2","2","6","3","1") = "5"
    & skf21("3","4","3","2","2","6","4","1") = "5"
    & skf21("3","4","3","2","2","6","5","1") = "5"
    & skf21("3","4","3","2","2","6","6","1") = "5"
    & skf21("3","4","3","2","2","6","7","1") = "6"
    & skf21("3","4","3","2","2","7","1","1") = "6"
    & skf21("3","4","3","2","2","7","2","1") = "6"
    & skf21("3","4","3","2","2","7","3","1") = "6"
    & skf21("3","4","3","2","2","7","4","1") = "6"
    & skf21("3","4","3","2","2","7","5","1") = "6"
    & skf21("3","4","3","2","2","7","6","1") = "6"
    & skf21("3","4","3","2","2","7","7","1") = "6"
    & skf21("3","4","3","2","3","1","1","1") = "3"
    & skf21("3","4","3","2","3","1","2","1") = "3"
    & skf21("3","4","3","2","3","1","3","1") = "3"
    & skf21("3","4","3","2","3","1","4","1") = "3"
    & skf21("3","4","3","2","3","1","5","1") = "4"
    & skf21("3","4","3","2","3","1","6","1") = "5"
    & skf21("3","4","3","2","3","1","7","1") = "6"
    & skf21("3","4","3","2","3","2","1","1") = "3"
    & skf21("3","4","3","2","3","2","2","1") = "3"
    & skf21("3","4","3","2","3","2","3","1") = "3"
    & skf21("3","4","3","2","3","2","4","1") = "3"
    & skf21("3","4","3","2","3","2","5","1") = "4"
    & skf21("3","4","3","2","3","2","6","1") = "5"
    & skf21("3","4","3","2","3","2","7","1") = "6"
    & skf21("3","4","3","2","3","3","1","1") = "3"
    & skf21("3","4","3","2","3","3","2","1") = "3"
    & skf21("3","4","3","2","3","3","3","1") = "3"
    & skf21("3","4","3","2","3","3","4","1") = "3"
    & skf21("3","4","3","2","3","3","5","1") = "4"
    & skf21("3","4","3","2","3","3","6","1") = "5"
    & skf21("3","4","3","2","3","3","7","1") = "6"
    & skf21("3","4","3","2","3","4","1","1") = "3"
    & skf21("3","4","3","2","3","4","2","1") = "3"
    & skf21("3","4","3","2","3","4","3","1") = "3"
    & skf21("3","4","3","2","3","4","4","1") = "3"
    & skf21("3","4","3","2","3","4","5","1") = "4"
    & skf21("3","4","3","2","3","4","6","1") = "5"
    & skf21("3","4","3","2","3","4","7","1") = "6"
    & skf21("3","4","3","2","3","5","1","1") = "4"
    & skf21("3","4","3","2","3","5","2","1") = "4"
    & skf21("3","4","3","2","3","5","3","1") = "4"
    & skf21("3","4","3","2","3","5","4","1") = "4"
    & skf21("3","4","3","2","3","5","5","1") = "4"
    & skf21("3","4","3","2","3","5","6","1") = "5"
    & skf21("3","4","3","2","3","5","7","1") = "6"
    & skf21("3","4","3","2","3","6","1","1") = "5"
    & skf21("3","4","3","2","3","6","2","1") = "5"
    & skf21("3","4","3","2","3","6","3","1") = "5"
    & skf21("3","4","3","2","3","6","4","1") = "5"
    & skf21("3","4","3","2","3","6","5","1") = "5"
    & skf21("3","4","3","2","3","6","6","1") = "5"
    & skf21("3","4","3","2","3","6","7","1") = "6"
    & skf21("3","4","3","2","3","7","1","1") = "6"
    & skf21("3","4","3","2","3","7","2","1") = "6"
    & skf21("3","4","3","2","3","7","3","1") = "6"
    & skf21("3","4","3","2","3","7","4","1") = "6"
    & skf21("3","4","3","2","3","7","5","1") = "6"
    & skf21("3","4","3","2","3","7","6","1") = "6"
    & skf21("3","4","3","2","3","7","7","1") = "6"
    & skf21("3","4","3","2","4","1","1","1") = "3"
    & skf21("3","4","3","2","4","1","2","1") = "3"
    & skf21("3","4","3","2","4","1","3","1") = "3"
    & skf21("3","4","3","2","4","1","4","1") = "3"
    & skf21("3","4","3","2","4","1","5","1") = "4"
    & skf21("3","4","3","2","4","1","6","1") = "5"
    & skf21("3","4","3","2","4","1","7","1") = "6"
    & skf21("3","4","3","2","4","2","1","1") = "3"
    & skf21("3","4","3","2","4","2","2","1") = "3"
    & skf21("3","4","3","2","4","2","3","1") = "3"
    & skf21("3","4","3","2","4","2","4","1") = "3"
    & skf21("3","4","3","2","4","2","5","1") = "4"
    & skf21("3","4","3","2","4","2","6","1") = "5"
    & skf21("3","4","3","2","4","2","7","1") = "6"
    & skf21("3","4","3","2","4","3","1","1") = "3"
    & skf21("3","4","3","2","4","3","2","1") = "3"
    & skf21("3","4","3","2","4","3","3","1") = "3"
    & skf21("3","4","3","2","4","3","4","1") = "3"
    & skf21("3","4","3","2","4","3","5","1") = "4"
    & skf21("3","4","3","2","4","3","6","1") = "5"
    & skf21("3","4","3","2","4","3","7","1") = "6"
    & skf21("3","4","3","2","4","4","1","1") = "3"
    & skf21("3","4","3","2","4","4","2","1") = "3"
    & skf21("3","4","3","2","4","4","3","1") = "3"
    & skf21("3","4","3","2","4","4","4","1") = "3"
    & skf21("3","4","3","2","4","4","5","1") = "4"
    & skf21("3","4","3","2","4","4","6","1") = "5"
    & skf21("3","4","3","2","4","4","7","1") = "6"
    & skf21("3","4","3","2","4","5","1","1") = "4"
    & skf21("3","4","3","2","4","5","2","1") = "4"
    & skf21("3","4","3","2","4","5","3","1") = "4"
    & skf21("3","4","3","2","4","5","4","1") = "4"
    & skf21("3","4","3","2","4","5","5","1") = "4"
    & skf21("3","4","3","2","4","5","6","1") = "5"
    & skf21("3","4","3","2","4","5","7","1") = "6"
    & skf21("3","4","3","2","4","6","1","1") = "5"
    & skf21("3","4","3","2","4","6","2","1") = "5"
    & skf21("3","4","3","2","4","6","3","1") = "5"
    & skf21("3","4","3","2","4","6","4","1") = "5"
    & skf21("3","4","3","2","4","6","5","1") = "5"
    & skf21("3","4","3","2","4","6","6","1") = "5"
    & skf21("3","4","3","2","4","6","7","1") = "6"
    & skf21("3","4","3","2","4","7","1","1") = "6"
    & skf21("3","4","3","2","4","7","2","1") = "6"
    & skf21("3","4","3","2","4","7","3","1") = "6"
    & skf21("3","4","3","2","4","7","4","1") = "6"
    & skf21("3","4","3","2","4","7","5","1") = "6"
    & skf21("3","4","3","2","4","7","6","1") = "6"
    & skf21("3","4","3","2","4","7","7","1") = "6"
    & skf21("3","4","3","2","5","1","1","1") = "4"
    & skf21("3","4","3","2","5","1","2","1") = "4"
    & skf21("3","4","3","2","5","1","3","1") = "4"
    & skf21("3","4","3","2","5","1","4","1") = "4"
    & skf21("3","4","3","2","5","1","5","1") = "4"
    & skf21("3","4","3","2","5","1","6","1") = "5"
    & skf21("3","4","3","2","5","1","7","1") = "6"
    & skf21("3","4","3","2","5","2","1","1") = "4"
    & skf21("3","4","3","2","5","2","2","1") = "4"
    & skf21("3","4","3","2","5","2","3","1") = "4"
    & skf21("3","4","3","2","5","2","4","1") = "4"
    & skf21("3","4","3","2","5","2","5","1") = "4"
    & skf21("3","4","3","2","5","2","6","1") = "5"
    & skf21("3","4","3","2","5","2","7","1") = "6"
    & skf21("3","4","3","2","5","3","1","1") = "4"
    & skf21("3","4","3","2","5","3","2","1") = "4"
    & skf21("3","4","3","2","5","3","3","1") = "4"
    & skf21("3","4","3","2","5","3","4","1") = "4"
    & skf21("3","4","3","2","5","3","5","1") = "4"
    & skf21("3","4","3","2","5","3","6","1") = "5"
    & skf21("3","4","3","2","5","3","7","1") = "6"
    & skf21("3","4","3","2","5","4","1","1") = "4"
    & skf21("3","4","3","2","5","4","2","1") = "4"
    & skf21("3","4","3","2","5","4","3","1") = "4"
    & skf21("3","4","3","2","5","4","4","1") = "4"
    & skf21("3","4","3","2","5","4","5","1") = "4"
    & skf21("3","4","3","2","5","4","6","1") = "5"
    & skf21("3","4","3","2","5","4","7","1") = "6"
    & skf21("3","4","3","2","5","5","1","1") = "4"
    & skf21("3","4","3","2","5","5","2","1") = "4"
    & skf21("3","4","3","2","5","5","3","1") = "4"
    & skf21("3","4","3","2","5","5","4","1") = "4"
    & skf21("3","4","3","2","5","5","5","1") = "4"
    & skf21("3","4","3","2","5","5","6","1") = "5"
    & skf21("3","4","3","2","5","5","7","1") = "6"
    & skf21("3","4","3","2","5","6","1","1") = "5"
    & skf21("3","4","3","2","5","6","2","1") = "5"
    & skf21("3","4","3","2","5","6","3","1") = "5"
    & skf21("3","4","3","2","5","6","4","1") = "5"
    & skf21("3","4","3","2","5","6","5","1") = "5"
    & skf21("3","4","3","2","5","6","6","1") = "5"
    & skf21("3","4","3","2","5","6","7","1") = "6"
    & skf21("3","4","3","2","5","7","1","1") = "6"
    & skf21("3","4","3","2","5","7","2","1") = "6"
    & skf21("3","4","3","2","5","7","3","1") = "6"
    & skf21("3","4","3","2","5","7","4","1") = "6"
    & skf21("3","4","3","2","5","7","5","1") = "6"
    & skf21("3","4","3","2","5","7","6","1") = "6"
    & skf21("3","4","3","2","5","7","7","1") = "6"
    & skf21("3","4","3","2","6","1","1","1") = "5"
    & skf21("3","4","3","2","6","1","2","1") = "5"
    & skf21("3","4","3","2","6","1","3","1") = "5"
    & skf21("3","4","3","2","6","1","4","1") = "5"
    & skf21("3","4","3","2","6","1","5","1") = "5"
    & skf21("3","4","3","2","6","1","6","1") = "5"
    & skf21("3","4","3","2","6","1","7","1") = "6"
    & skf21("3","4","3","2","6","2","1","1") = "5"
    & skf21("3","4","3","2","6","2","2","1") = "5"
    & skf21("3","4","3","2","6","2","3","1") = "5"
    & skf21("3","4","3","2","6","2","4","1") = "5"
    & skf21("3","4","3","2","6","2","5","1") = "5"
    & skf21("3","4","3","2","6","2","6","1") = "5"
    & skf21("3","4","3","2","6","2","7","1") = "6"
    & skf21("3","4","3","2","6","3","1","1") = "5"
    & skf21("3","4","3","2","6","3","2","1") = "5"
    & skf21("3","4","3","2","6","3","3","1") = "5"
    & skf21("3","4","3","2","6","3","4","1") = "5"
    & skf21("3","4","3","2","6","3","5","1") = "5"
    & skf21("3","4","3","2","6","3","6","1") = "5"
    & skf21("3","4","3","2","6","3","7","1") = "6"
    & skf21("3","4","3","2","6","4","1","1") = "5"
    & skf21("3","4","3","2","6","4","2","1") = "5"
    & skf21("3","4","3","2","6","4","3","1") = "5"
    & skf21("3","4","3","2","6","4","4","1") = "5"
    & skf21("3","4","3","2","6","4","5","1") = "5"
    & skf21("3","4","3","2","6","4","6","1") = "5"
    & skf21("3","4","3","2","6","4","7","1") = "6"
    & skf21("3","4","3","2","6","5","1","1") = "5"
    & skf21("3","4","3","2","6","5","2","1") = "5"
    & skf21("3","4","3","2","6","5","3","1") = "5"
    & skf21("3","4","3","2","6","5","4","1") = "5"
    & skf21("3","4","3","2","6","5","5","1") = "5"
    & skf21("3","4","3","2","6","5","6","1") = "5"
    & skf21("3","4","3","2","6","5","7","1") = "6"
    & skf21("3","4","3","2","6","6","1","1") = "5"
    & skf21("3","4","3","2","6","6","2","1") = "5"
    & skf21("3","4","3","2","6","6","3","1") = "5"
    & skf21("3","4","3","2","6","6","4","1") = "5"
    & skf21("3","4","3","2","6","6","5","1") = "5"
    & skf21("3","4","3","2","6","6","6","1") = "5"
    & skf21("3","4","3","2","6","6","7","1") = "6"
    & skf21("3","4","3","2","6","7","1","1") = "6"
    & skf21("3","4","3","2","6","7","2","1") = "6"
    & skf21("3","4","3","2","6","7","3","1") = "6"
    & skf21("3","4","3","2","6","7","4","1") = "6"
    & skf21("3","4","3","2","6","7","5","1") = "6"
    & skf21("3","4","3","2","6","7","6","1") = "6"
    & skf21("3","4","3","2","6","7","7","1") = "6"
    & skf21("3","4","3","2","7","1","1","1") = "6"
    & skf21("3","4","3","2","7","1","2","1") = "6"
    & skf21("3","4","3","2","7","1","3","1") = "6"
    & skf21("3","4","3","2","7","1","4","1") = "6"
    & skf21("3","4","3","2","7","1","5","1") = "6"
    & skf21("3","4","3","2","7","1","6","1") = "6"
    & skf21("3","4","3","2","7","1","7","1") = "6"
    & skf21("3","4","3","2","7","2","1","1") = "6"
    & skf21("3","4","3","2","7","2","2","1") = "6"
    & skf21("3","4","3","2","7","2","3","1") = "6"
    & skf21("3","4","3","2","7","2","4","1") = "6"
    & skf21("3","4","3","2","7","2","5","1") = "6"
    & skf21("3","4","3","2","7","2","6","1") = "6"
    & skf21("3","4","3","2","7","2","7","1") = "6"
    & skf21("3","4","3","2","7","3","1","1") = "6"
    & skf21("3","4","3","2","7","3","2","1") = "6"
    & skf21("3","4","3","2","7","3","3","1") = "6"
    & skf21("3","4","3","2","7","3","4","1") = "6"
    & skf21("3","4","3","2","7","3","5","1") = "6"
    & skf21("3","4","3","2","7","3","6","1") = "6"
    & skf21("3","4","3","2","7","3","7","1") = "6"
    & skf21("3","4","3","2","7","4","1","1") = "6"
    & skf21("3","4","3","2","7","4","2","1") = "6"
    & skf21("3","4","3","2","7","4","3","1") = "6"
    & skf21("3","4","3","2","7","4","4","1") = "6"
    & skf21("3","4","3","2","7","4","5","1") = "6"
    & skf21("3","4","3","2","7","4","6","1") = "6"
    & skf21("3","4","3","2","7","4","7","1") = "6"
    & skf21("3","4","3","2","7","5","1","1") = "6"
    & skf21("3","4","3","2","7","5","2","1") = "6"
    & skf21("3","4","3","2","7","5","3","1") = "6"
    & skf21("3","4","3","2","7","5","4","1") = "6"
    & skf21("3","4","3","2","7","5","5","1") = "6"
    & skf21("3","4","3","2","7","5","6","1") = "6"
    & skf21("3","4","3","2","7","5","7","1") = "6"
    & skf21("3","4","3","2","7","6","1","1") = "6"
    & skf21("3","4","3","2","7","6","2","1") = "6"
    & skf21("3","4","3","2","7","6","3","1") = "6"
    & skf21("3","4","3","2","7","6","4","1") = "6"
    & skf21("3","4","3","2","7","6","5","1") = "6"
    & skf21("3","4","3","2","7","6","6","1") = "6"
    & skf21("3","4","3","2","7","6","7","1") = "6"
    & skf21("3","4","3","2","7","7","1","1") = "6"
    & skf21("3","4","3","2","7","7","2","1") = "6"
    & skf21("3","4","3","2","7","7","3","1") = "6"
    & skf21("3","4","3","2","7","7","4","1") = "6"
    & skf21("3","4","3","2","7","7","5","1") = "6"
    & skf21("3","4","3","2","7","7","6","1") = "6"
    & skf21("3","4","3","2","7","7","7","1") = "6"
    & skf21("3","4","3","3","1","1","1","1") = "3"
    & skf21("3","4","3","3","1","1","2","1") = "3"
    & skf21("3","4","3","3","1","1","3","1") = "3"
    & skf21("3","4","3","3","1","1","4","1") = "3"
    & skf21("3","4","3","3","1","1","5","1") = "4"
    & skf21("3","4","3","3","1","1","6","1") = "5"
    & skf21("3","4","3","3","1","1","7","1") = "6"
    & skf21("3","4","3","3","1","2","1","1") = "3"
    & skf21("3","4","3","3","1","2","2","1") = "3"
    & skf21("3","4","3","3","1","2","3","1") = "3"
    & skf21("3","4","3","3","1","2","4","1") = "3"
    & skf21("3","4","3","3","1","2","5","1") = "4"
    & skf21("3","4","3","3","1","2","6","1") = "5"
    & skf21("3","4","3","3","1","2","7","1") = "6"
    & skf21("3","4","3","3","1","3","1","1") = "3"
    & skf21("3","4","3","3","1","3","2","1") = "3"
    & skf21("3","4","3","3","1","3","3","1") = "3"
    & skf21("3","4","3","3","1","3","4","1") = "3"
    & skf21("3","4","3","3","1","3","5","1") = "4"
    & skf21("3","4","3","3","1","3","6","1") = "5"
    & skf21("3","4","3","3","1","3","7","1") = "6"
    & skf21("3","4","3","3","1","4","1","1") = "3"
    & skf21("3","4","3","3","1","4","2","1") = "3"
    & skf21("3","4","3","3","1","4","3","1") = "3"
    & skf21("3","4","3","3","1","4","4","1") = "3"
    & skf21("3","4","3","3","1","4","5","1") = "4"
    & skf21("3","4","3","3","1","4","6","1") = "5"
    & skf21("3","4","3","3","1","4","7","1") = "6"
    & skf21("3","4","3","3","1","5","1","1") = "4"
    & skf21("3","4","3","3","1","5","2","1") = "4"
    & skf21("3","4","3","3","1","5","3","1") = "4"
    & skf21("3","4","3","3","1","5","4","1") = "4"
    & skf21("3","4","3","3","1","5","5","1") = "4"
    & skf21("3","4","3","3","1","5","6","1") = "5"
    & skf21("3","4","3","3","1","5","7","1") = "6"
    & skf21("3","4","3","3","1","6","1","1") = "5"
    & skf21("3","4","3","3","1","6","2","1") = "5"
    & skf21("3","4","3","3","1","6","3","1") = "5"
    & skf21("3","4","3","3","1","6","4","1") = "5"
    & skf21("3","4","3","3","1","6","5","1") = "5"
    & skf21("3","4","3","3","1","6","6","1") = "5"
    & skf21("3","4","3","3","1","6","7","1") = "6"
    & skf21("3","4","3","3","1","7","1","1") = "6"
    & skf21("3","4","3","3","1","7","2","1") = "6"
    & skf21("3","4","3","3","1","7","3","1") = "6"
    & skf21("3","4","3","3","1","7","4","1") = "6"
    & skf21("3","4","3","3","1","7","5","1") = "6"
    & skf21("3","4","3","3","1","7","6","1") = "6"
    & skf21("3","4","3","3","1","7","7","1") = "6"
    & skf21("3","4","3","3","2","1","1","1") = "3"
    & skf21("3","4","3","3","2","1","2","1") = "3"
    & skf21("3","4","3","3","2","1","3","1") = "3"
    & skf21("3","4","3","3","2","1","4","1") = "3"
    & skf21("3","4","3","3","2","1","5","1") = "4"
    & skf21("3","4","3","3","2","1","6","1") = "5"
    & skf21("3","4","3","3","2","1","7","1") = "6"
    & skf21("3","4","3","3","2","2","1","1") = "3"
    & skf21("3","4","3","3","2","2","2","1") = "3"
    & skf21("3","4","3","3","2","2","3","1") = "3"
    & skf21("3","4","3","3","2","2","4","1") = "3"
    & skf21("3","4","3","3","2","2","5","1") = "4"
    & skf21("3","4","3","3","2","2","6","1") = "5"
    & skf21("3","4","3","3","2","2","7","1") = "6"
    & skf21("3","4","3","3","2","3","1","1") = "3"
    & skf21("3","4","3","3","2","3","2","1") = "3"
    & skf21("3","4","3","3","2","3","3","1") = "3"
    & skf21("3","4","3","3","2","3","4","1") = "3"
    & skf21("3","4","3","3","2","3","5","1") = "4"
    & skf21("3","4","3","3","2","3","6","1") = "5"
    & skf21("3","4","3","3","2","3","7","1") = "6"
    & skf21("3","4","3","3","2","4","1","1") = "3"
    & skf21("3","4","3","3","2","4","2","1") = "3"
    & skf21("3","4","3","3","2","4","3","1") = "3"
    & skf21("3","4","3","3","2","4","4","1") = "3"
    & skf21("3","4","3","3","2","4","5","1") = "4"
    & skf21("3","4","3","3","2","4","6","1") = "5"
    & skf21("3","4","3","3","2","4","7","1") = "6"
    & skf21("3","4","3","3","2","5","1","1") = "4"
    & skf21("3","4","3","3","2","5","2","1") = "4"
    & skf21("3","4","3","3","2","5","3","1") = "4"
    & skf21("3","4","3","3","2","5","4","1") = "4"
    & skf21("3","4","3","3","2","5","5","1") = "4"
    & skf21("3","4","3","3","2","5","6","1") = "5"
    & skf21("3","4","3","3","2","5","7","1") = "6"
    & skf21("3","4","3","3","2","6","1","1") = "5"
    & skf21("3","4","3","3","2","6","2","1") = "5"
    & skf21("3","4","3","3","2","6","3","1") = "5"
    & skf21("3","4","3","3","2","6","4","1") = "5"
    & skf21("3","4","3","3","2","6","5","1") = "5"
    & skf21("3","4","3","3","2","6","6","1") = "5"
    & skf21("3","4","3","3","2","6","7","1") = "6"
    & skf21("3","4","3","3","2","7","1","1") = "6"
    & skf21("3","4","3","3","2","7","2","1") = "6"
    & skf21("3","4","3","3","2","7","3","1") = "6"
    & skf21("3","4","3","3","2","7","4","1") = "6"
    & skf21("3","4","3","3","2","7","5","1") = "6"
    & skf21("3","4","3","3","2","7","6","1") = "6"
    & skf21("3","4","3","3","2","7","7","1") = "6"
    & skf21("3","4","3","3","3","1","1","1") = "3"
    & skf21("3","4","3","3","3","1","2","1") = "3"
    & skf21("3","4","3","3","3","1","3","1") = "3"
    & skf21("3","4","3","3","3","1","4","1") = "3"
    & skf21("3","4","3","3","3","1","5","1") = "4"
    & skf21("3","4","3","3","3","1","6","1") = "5"
    & skf21("3","4","3","3","3","1","7","1") = "6"
    & skf21("3","4","3","3","3","2","1","1") = "3"
    & skf21("3","4","3","3","3","2","2","1") = "3"
    & skf21("3","4","3","3","3","2","3","1") = "3"
    & skf21("3","4","3","3","3","2","4","1") = "3"
    & skf21("3","4","3","3","3","2","5","1") = "4"
    & skf21("3","4","3","3","3","2","6","1") = "5"
    & skf21("3","4","3","3","3","2","7","1") = "6"
    & skf21("3","4","3","3","3","3","1","1") = "3"
    & skf21("3","4","3","3","3","3","2","1") = "3"
    & skf21("3","4","3","3","3","3","3","1") = "3"
    & skf21("3","4","3","3","3","3","4","1") = "3"
    & skf21("3","4","3","3","3","3","5","1") = "4"
    & skf21("3","4","3","3","3","3","6","1") = "5"
    & skf21("3","4","3","3","3","3","7","1") = "6"
    & skf21("3","4","3","3","3","4","1","1") = "3"
    & skf21("3","4","3","3","3","4","2","1") = "3"
    & skf21("3","4","3","3","3","4","3","1") = "3"
    & skf21("3","4","3","3","3","4","4","1") = "3"
    & skf21("3","4","3","3","3","4","5","1") = "4"
    & skf21("3","4","3","3","3","4","6","1") = "5"
    & skf21("3","4","3","3","3","4","7","1") = "6"
    & skf21("3","4","3","3","3","5","1","1") = "4"
    & skf21("3","4","3","3","3","5","2","1") = "4"
    & skf21("3","4","3","3","3","5","3","1") = "4"
    & skf21("3","4","3","3","3","5","4","1") = "4"
    & skf21("3","4","3","3","3","5","5","1") = "4"
    & skf21("3","4","3","3","3","5","6","1") = "5"
    & skf21("3","4","3","3","3","5","7","1") = "6"
    & skf21("3","4","3","3","3","6","1","1") = "5"
    & skf21("3","4","3","3","3","6","2","1") = "5"
    & skf21("3","4","3","3","3","6","3","1") = "5"
    & skf21("3","4","3","3","3","6","4","1") = "5"
    & skf21("3","4","3","3","3","6","5","1") = "5"
    & skf21("3","4","3","3","3","6","6","1") = "5"
    & skf21("3","4","3","3","3","6","7","1") = "6"
    & skf21("3","4","3","3","3","7","1","1") = "6"
    & skf21("3","4","3","3","3","7","2","1") = "6"
    & skf21("3","4","3","3","3","7","3","1") = "6"
    & skf21("3","4","3","3","3","7","4","1") = "6"
    & skf21("3","4","3","3","3","7","5","1") = "6"
    & skf21("3","4","3","3","3","7","6","1") = "6"
    & skf21("3","4","3","3","3","7","7","1") = "6"
    & skf21("3","4","3","3","4","1","1","1") = "3"
    & skf21("3","4","3","3","4","1","2","1") = "3"
    & skf21("3","4","3","3","4","1","3","1") = "3"
    & skf21("3","4","3","3","4","1","4","1") = "3"
    & skf21("3","4","3","3","4","1","5","1") = "4"
    & skf21("3","4","3","3","4","1","6","1") = "5"
    & skf21("3","4","3","3","4","1","7","1") = "6"
    & skf21("3","4","3","3","4","2","1","1") = "3"
    & skf21("3","4","3","3","4","2","2","1") = "3"
    & skf21("3","4","3","3","4","2","3","1") = "3"
    & skf21("3","4","3","3","4","2","4","1") = "3"
    & skf21("3","4","3","3","4","2","5","1") = "4"
    & skf21("3","4","3","3","4","2","6","1") = "5"
    & skf21("3","4","3","3","4","2","7","1") = "6"
    & skf21("3","4","3","3","4","3","1","1") = "3"
    & skf21("3","4","3","3","4","3","2","1") = "3"
    & skf21("3","4","3","3","4","3","3","1") = "3"
    & skf21("3","4","3","3","4","3","4","1") = "3"
    & skf21("3","4","3","3","4","3","5","1") = "4"
    & skf21("3","4","3","3","4","3","6","1") = "5"
    & skf21("3","4","3","3","4","3","7","1") = "6"
    & skf21("3","4","3","3","4","4","1","1") = "3"
    & skf21("3","4","3","3","4","4","2","1") = "3"
    & skf21("3","4","3","3","4","4","3","1") = "3"
    & skf21("3","4","3","3","4","4","4","1") = "3"
    & skf21("3","4","3","3","4","4","5","1") = "4"
    & skf21("3","4","3","3","4","4","6","1") = "5"
    & skf21("3","4","3","3","4","4","7","1") = "6"
    & skf21("3","4","3","3","4","5","1","1") = "4"
    & skf21("3","4","3","3","4","5","2","1") = "4"
    & skf21("3","4","3","3","4","5","3","1") = "4"
    & skf21("3","4","3","3","4","5","4","1") = "4"
    & skf21("3","4","3","3","4","5","5","1") = "4"
    & skf21("3","4","3","3","4","5","6","1") = "5"
    & skf21("3","4","3","3","4","5","7","1") = "6"
    & skf21("3","4","3","3","4","6","1","1") = "5"
    & skf21("3","4","3","3","4","6","2","1") = "5"
    & skf21("3","4","3","3","4","6","3","1") = "5"
    & skf21("3","4","3","3","4","6","4","1") = "5"
    & skf21("3","4","3","3","4","6","5","1") = "5"
    & skf21("3","4","3","3","4","6","6","1") = "5"
    & skf21("3","4","3","3","4","6","7","1") = "6"
    & skf21("3","4","3","3","4","7","1","1") = "6"
    & skf21("3","4","3","3","4","7","2","1") = "6"
    & skf21("3","4","3","3","4","7","3","1") = "6"
    & skf21("3","4","3","3","4","7","4","1") = "6"
    & skf21("3","4","3","3","4","7","5","1") = "6"
    & skf21("3","4","3","3","4","7","6","1") = "6"
    & skf21("3","4","3","3","4","7","7","1") = "6"
    & skf21("3","4","3","3","5","1","1","1") = "4"
    & skf21("3","4","3","3","5","1","2","1") = "4"
    & skf21("3","4","3","3","5","1","3","1") = "4"
    & skf21("3","4","3","3","5","1","4","1") = "4"
    & skf21("3","4","3","3","5","1","5","1") = "4"
    & skf21("3","4","3","3","5","1","6","1") = "5"
    & skf21("3","4","3","3","5","1","7","1") = "6"
    & skf21("3","4","3","3","5","2","1","1") = "4"
    & skf21("3","4","3","3","5","2","2","1") = "4"
    & skf21("3","4","3","3","5","2","3","1") = "4"
    & skf21("3","4","3","3","5","2","4","1") = "4"
    & skf21("3","4","3","3","5","2","5","1") = "4"
    & skf21("3","4","3","3","5","2","6","1") = "5"
    & skf21("3","4","3","3","5","2","7","1") = "6"
    & skf21("3","4","3","3","5","3","1","1") = "4"
    & skf21("3","4","3","3","5","3","2","1") = "4"
    & skf21("3","4","3","3","5","3","3","1") = "4"
    & skf21("3","4","3","3","5","3","4","1") = "4"
    & skf21("3","4","3","3","5","3","5","1") = "4"
    & skf21("3","4","3","3","5","3","6","1") = "5"
    & skf21("3","4","3","3","5","3","7","1") = "6"
    & skf21("3","4","3","3","5","4","1","1") = "4"
    & skf21("3","4","3","3","5","4","2","1") = "4"
    & skf21("3","4","3","3","5","4","3","1") = "4"
    & skf21("3","4","3","3","5","4","4","1") = "4"
    & skf21("3","4","3","3","5","4","5","1") = "4"
    & skf21("3","4","3","3","5","4","6","1") = "5"
    & skf21("3","4","3","3","5","4","7","1") = "6"
    & skf21("3","4","3","3","5","5","1","1") = "4"
    & skf21("3","4","3","3","5","5","2","1") = "4"
    & skf21("3","4","3","3","5","5","3","1") = "4"
    & skf21("3","4","3","3","5","5","4","1") = "4"
    & skf21("3","4","3","3","5","5","5","1") = "4"
    & skf21("3","4","3","3","5","5","6","1") = "5"
    & skf21("3","4","3","3","5","5","7","1") = "6"
    & skf21("3","4","3","3","5","6","1","1") = "5"
    & skf21("3","4","3","3","5","6","2","1") = "5"
    & skf21("3","4","3","3","5","6","3","1") = "5"
    & skf21("3","4","3","3","5","6","4","1") = "5"
    & skf21("3","4","3","3","5","6","5","1") = "5"
    & skf21("3","4","3","3","5","6","6","1") = "5"
    & skf21("3","4","3","3","5","6","7","1") = "6"
    & skf21("3","4","3","3","5","7","1","1") = "6"
    & skf21("3","4","3","3","5","7","2","1") = "6"
    & skf21("3","4","3","3","5","7","3","1") = "6"
    & skf21("3","4","3","3","5","7","4","1") = "6"
    & skf21("3","4","3","3","5","7","5","1") = "6"
    & skf21("3","4","3","3","5","7","6","1") = "6"
    & skf21("3","4","3","3","5","7","7","1") = "6"
    & skf21("3","4","3","3","6","1","1","1") = "5"
    & skf21("3","4","3","3","6","1","2","1") = "5"
    & skf21("3","4","3","3","6","1","3","1") = "5"
    & skf21("3","4","3","3","6","1","4","1") = "5"
    & skf21("3","4","3","3","6","1","5","1") = "5"
    & skf21("3","4","3","3","6","1","6","1") = "5"
    & skf21("3","4","3","3","6","1","7","1") = "6"
    & skf21("3","4","3","3","6","2","1","1") = "5"
    & skf21("3","4","3","3","6","2","2","1") = "5"
    & skf21("3","4","3","3","6","2","3","1") = "5"
    & skf21("3","4","3","3","6","2","4","1") = "5"
    & skf21("3","4","3","3","6","2","5","1") = "5"
    & skf21("3","4","3","3","6","2","6","1") = "5"
    & skf21("3","4","3","3","6","2","7","1") = "6"
    & skf21("3","4","3","3","6","3","1","1") = "5"
    & skf21("3","4","3","3","6","3","2","1") = "5"
    & skf21("3","4","3","3","6","3","3","1") = "5"
    & skf21("3","4","3","3","6","3","4","1") = "5"
    & skf21("3","4","3","3","6","3","5","1") = "5"
    & skf21("3","4","3","3","6","3","6","1") = "5"
    & skf21("3","4","3","3","6","3","7","1") = "6"
    & skf21("3","4","3","3","6","4","1","1") = "5"
    & skf21("3","4","3","3","6","4","2","1") = "5"
    & skf21("3","4","3","3","6","4","3","1") = "5"
    & skf21("3","4","3","3","6","4","4","1") = "5"
    & skf21("3","4","3","3","6","4","5","1") = "5"
    & skf21("3","4","3","3","6","4","6","1") = "5"
    & skf21("3","4","3","3","6","4","7","1") = "6"
    & skf21("3","4","3","3","6","5","1","1") = "5"
    & skf21("3","4","3","3","6","5","2","1") = "5"
    & skf21("3","4","3","3","6","5","3","1") = "5"
    & skf21("3","4","3","3","6","5","4","1") = "5"
    & skf21("3","4","3","3","6","5","5","1") = "5"
    & skf21("3","4","3","3","6","5","6","1") = "5"
    & skf21("3","4","3","3","6","5","7","1") = "6"
    & skf21("3","4","3","3","6","6","1","1") = "5"
    & skf21("3","4","3","3","6","6","2","1") = "5"
    & skf21("3","4","3","3","6","6","3","1") = "5"
    & skf21("3","4","3","3","6","6","4","1") = "5"
    & skf21("3","4","3","3","6","6","5","1") = "5"
    & skf21("3","4","3","3","6","6","6","1") = "5"
    & skf21("3","4","3","3","6","6","7","1") = "6"
    & skf21("3","4","3","3","6","7","1","1") = "6"
    & skf21("3","4","3","3","6","7","2","1") = "6"
    & skf21("3","4","3","3","6","7","3","1") = "6"
    & skf21("3","4","3","3","6","7","4","1") = "6"
    & skf21("3","4","3","3","6","7","5","1") = "6"
    & skf21("3","4","3","3","6","7","6","1") = "6"
    & skf21("3","4","3","3","6","7","7","1") = "6"
    & skf21("3","4","3","3","7","1","1","1") = "6"
    & skf21("3","4","3","3","7","1","2","1") = "6"
    & skf21("3","4","3","3","7","1","3","1") = "6"
    & skf21("3","4","3","3","7","1","4","1") = "6"
    & skf21("3","4","3","3","7","1","5","1") = "6"
    & skf21("3","4","3","3","7","1","6","1") = "6"
    & skf21("3","4","3","3","7","1","7","1") = "6"
    & skf21("3","4","3","3","7","2","1","1") = "6"
    & skf21("3","4","3","3","7","2","2","1") = "6"
    & skf21("3","4","3","3","7","2","3","1") = "6"
    & skf21("3","4","3","3","7","2","4","1") = "6"
    & skf21("3","4","3","3","7","2","5","1") = "6"
    & skf21("3","4","3","3","7","2","6","1") = "6"
    & skf21("3","4","3","3","7","2","7","1") = "6"
    & skf21("3","4","3","3","7","3","1","1") = "6"
    & skf21("3","4","3","3","7","3","2","1") = "6"
    & skf21("3","4","3","3","7","3","3","1") = "6"
    & skf21("3","4","3","3","7","3","4","1") = "6"
    & skf21("3","4","3","3","7","3","5","1") = "6"
    & skf21("3","4","3","3","7","3","6","1") = "6"
    & skf21("3","4","3","3","7","3","7","1") = "6"
    & skf21("3","4","3","3","7","4","1","1") = "6"
    & skf21("3","4","3","3","7","4","2","1") = "6"
    & skf21("3","4","3","3","7","4","3","1") = "6"
    & skf21("3","4","3","3","7","4","4","1") = "6"
    & skf21("3","4","3","3","7","4","5","1") = "6"
    & skf21("3","4","3","3","7","4","6","1") = "6"
    & skf21("3","4","3","3","7","4","7","1") = "6"
    & skf21("3","4","3","3","7","5","1","1") = "6"
    & skf21("3","4","3","3","7","5","2","1") = "6"
    & skf21("3","4","3","3","7","5","3","1") = "6"
    & skf21("3","4","3","3","7","5","4","1") = "6"
    & skf21("3","4","3","3","7","5","5","1") = "6"
    & skf21("3","4","3","3","7","5","6","1") = "6"
    & skf21("3","4","3","3","7","5","7","1") = "6"
    & skf21("3","4","3","3","7","6","1","1") = "6"
    & skf21("3","4","3","3","7","6","2","1") = "6"
    & skf21("3","4","3","3","7","6","3","1") = "6"
    & skf21("3","4","3","3","7","6","4","1") = "6"
    & skf21("3","4","3","3","7","6","5","1") = "6"
    & skf21("3","4","3","3","7","6","6","1") = "6"
    & skf21("3","4","3","3","7","6","7","1") = "6"
    & skf21("3","4","3","3","7","7","1","1") = "6"
    & skf21("3","4","3","3","7","7","2","1") = "6"
    & skf21("3","4","3","3","7","7","3","1") = "6"
    & skf21("3","4","3","3","7","7","4","1") = "6"
    & skf21("3","4","3","3","7","7","5","1") = "6"
    & skf21("3","4","3","3","7","7","6","1") = "6"
    & skf21("3","4","3","3","7","7","7","1") = "6"
    & skf21("3","4","3","4","1","1","1","1") = "3"
    & skf21("3","4","3","4","1","1","2","1") = "3"
    & skf21("3","4","3","4","1","1","3","1") = "3"
    & skf21("3","4","3","4","1","1","4","1") = "3"
    & skf21("3","4","3","4","1","1","5","1") = "4"
    & skf21("3","4","3","4","1","1","6","1") = "5"
    & skf21("3","4","3","4","1","1","7","1") = "6"
    & skf21("3","4","3","4","1","2","1","1") = "3"
    & skf21("3","4","3","4","1","2","2","1") = "3"
    & skf21("3","4","3","4","1","2","3","1") = "3"
    & skf21("3","4","3","4","1","2","4","1") = "3"
    & skf21("3","4","3","4","1","2","5","1") = "4"
    & skf21("3","4","3","4","1","2","6","1") = "5"
    & skf21("3","4","3","4","1","2","7","1") = "6"
    & skf21("3","4","3","4","1","3","1","1") = "3"
    & skf21("3","4","3","4","1","3","2","1") = "3"
    & skf21("3","4","3","4","1","3","3","1") = "3"
    & skf21("3","4","3","4","1","3","4","1") = "3"
    & skf21("3","4","3","4","1","3","5","1") = "4"
    & skf21("3","4","3","4","1","3","6","1") = "5"
    & skf21("3","4","3","4","1","3","7","1") = "6"
    & skf21("3","4","3","4","1","4","1","1") = "3"
    & skf21("3","4","3","4","1","4","2","1") = "3"
    & skf21("3","4","3","4","1","4","3","1") = "3"
    & skf21("3","4","3","4","1","4","4","1") = "3"
    & skf21("3","4","3","4","1","4","5","1") = "4"
    & skf21("3","4","3","4","1","4","6","1") = "5"
    & skf21("3","4","3","4","1","4","7","1") = "6"
    & skf21("3","4","3","4","1","5","1","1") = "4"
    & skf21("3","4","3","4","1","5","2","1") = "4"
    & skf21("3","4","3","4","1","5","3","1") = "4"
    & skf21("3","4","3","4","1","5","4","1") = "4"
    & skf21("3","4","3","4","1","5","5","1") = "4"
    & skf21("3","4","3","4","1","5","6","1") = "5"
    & skf21("3","4","3","4","1","5","7","1") = "6"
    & skf21("3","4","3","4","1","6","1","1") = "5"
    & skf21("3","4","3","4","1","6","2","1") = "5"
    & skf21("3","4","3","4","1","6","3","1") = "5"
    & skf21("3","4","3","4","1","6","4","1") = "5"
    & skf21("3","4","3","4","1","6","5","1") = "5"
    & skf21("3","4","3","4","1","6","6","1") = "5"
    & skf21("3","4","3","4","1","6","7","1") = "6"
    & skf21("3","4","3","4","1","7","1","1") = "6"
    & skf21("3","4","3","4","1","7","2","1") = "6"
    & skf21("3","4","3","4","1","7","3","1") = "6"
    & skf21("3","4","3","4","1","7","4","1") = "6"
    & skf21("3","4","3","4","1","7","5","1") = "6"
    & skf21("3","4","3","4","1","7","6","1") = "6"
    & skf21("3","4","3","4","1","7","7","1") = "6"
    & skf21("3","4","3","4","2","1","1","1") = "3"
    & skf21("3","4","3","4","2","1","2","1") = "3"
    & skf21("3","4","3","4","2","1","3","1") = "3"
    & skf21("3","4","3","4","2","1","4","1") = "3"
    & skf21("3","4","3","4","2","1","5","1") = "4"
    & skf21("3","4","3","4","2","1","6","1") = "5"
    & skf21("3","4","3","4","2","1","7","1") = "6"
    & skf21("3","4","3","4","2","2","1","1") = "3"
    & skf21("3","4","3","4","2","2","2","1") = "3"
    & skf21("3","4","3","4","2","2","3","1") = "3"
    & skf21("3","4","3","4","2","2","4","1") = "3"
    & skf21("3","4","3","4","2","2","5","1") = "4"
    & skf21("3","4","3","4","2","2","6","1") = "5"
    & skf21("3","4","3","4","2","2","7","1") = "6"
    & skf21("3","4","3","4","2","3","1","1") = "3"
    & skf21("3","4","3","4","2","3","2","1") = "3"
    & skf21("3","4","3","4","2","3","3","1") = "3"
    & skf21("3","4","3","4","2","3","4","1") = "3"
    & skf21("3","4","3","4","2","3","5","1") = "4"
    & skf21("3","4","3","4","2","3","6","1") = "5"
    & skf21("3","4","3","4","2","3","7","1") = "6"
    & skf21("3","4","3","4","2","4","1","1") = "3"
    & skf21("3","4","3","4","2","4","2","1") = "3"
    & skf21("3","4","3","4","2","4","3","1") = "3"
    & skf21("3","4","3","4","2","4","4","1") = "3"
    & skf21("3","4","3","4","2","4","5","1") = "4"
    & skf21("3","4","3","4","2","4","6","1") = "5"
    & skf21("3","4","3","4","2","4","7","1") = "6"
    & skf21("3","4","3","4","2","5","1","1") = "4"
    & skf21("3","4","3","4","2","5","2","1") = "4"
    & skf21("3","4","3","4","2","5","3","1") = "4"
    & skf21("3","4","3","4","2","5","4","1") = "4"
    & skf21("3","4","3","4","2","5","5","1") = "4"
    & skf21("3","4","3","4","2","5","6","1") = "5"
    & skf21("3","4","3","4","2","5","7","1") = "6"
    & skf21("3","4","3","4","2","6","1","1") = "5"
    & skf21("3","4","3","4","2","6","2","1") = "5"
    & skf21("3","4","3","4","2","6","3","1") = "5"
    & skf21("3","4","3","4","2","6","4","1") = "5"
    & skf21("3","4","3","4","2","6","5","1") = "5"
    & skf21("3","4","3","4","2","6","6","1") = "5"
    & skf21("3","4","3","4","2","6","7","1") = "6"
    & skf21("3","4","3","4","2","7","1","1") = "6"
    & skf21("3","4","3","4","2","7","2","1") = "6"
    & skf21("3","4","3","4","2","7","3","1") = "6"
    & skf21("3","4","3","4","2","7","4","1") = "6"
    & skf21("3","4","3","4","2","7","5","1") = "6"
    & skf21("3","4","3","4","2","7","6","1") = "6"
    & skf21("3","4","3","4","2","7","7","1") = "6"
    & skf21("3","4","3","4","3","1","1","1") = "3"
    & skf21("3","4","3","4","3","1","2","1") = "3"
    & skf21("3","4","3","4","3","1","3","1") = "3"
    & skf21("3","4","3","4","3","1","4","1") = "3"
    & skf21("3","4","3","4","3","1","5","1") = "4"
    & skf21("3","4","3","4","3","1","6","1") = "5"
    & skf21("3","4","3","4","3","1","7","1") = "6"
    & skf21("3","4","3","4","3","2","1","1") = "3"
    & skf21("3","4","3","4","3","2","2","1") = "3"
    & skf21("3","4","3","4","3","2","3","1") = "3"
    & skf21("3","4","3","4","3","2","4","1") = "3"
    & skf21("3","4","3","4","3","2","5","1") = "4"
    & skf21("3","4","3","4","3","2","6","1") = "5"
    & skf21("3","4","3","4","3","2","7","1") = "6"
    & skf21("3","4","3","4","3","3","1","1") = "3"
    & skf21("3","4","3","4","3","3","2","1") = "3"
    & skf21("3","4","3","4","3","3","3","1") = "3"
    & skf21("3","4","3","4","3","3","4","1") = "3"
    & skf21("3","4","3","4","3","3","5","1") = "4"
    & skf21("3","4","3","4","3","3","6","1") = "5"
    & skf21("3","4","3","4","3","3","7","1") = "6"
    & skf21("3","4","3","4","3","4","1","1") = "3"
    & skf21("3","4","3","4","3","4","2","1") = "3"
    & skf21("3","4","3","4","3","4","3","1") = "3"
    & skf21("3","4","3","4","3","4","4","1") = "3"
    & skf21("3","4","3","4","3","4","5","1") = "4"
    & skf21("3","4","3","4","3","4","6","1") = "5"
    & skf21("3","4","3","4","3","4","7","1") = "6"
    & skf21("3","4","3","4","3","5","1","1") = "4"
    & skf21("3","4","3","4","3","5","2","1") = "4"
    & skf21("3","4","3","4","3","5","3","1") = "4"
    & skf21("3","4","3","4","3","5","4","1") = "4"
    & skf21("3","4","3","4","3","5","5","1") = "4"
    & skf21("3","4","3","4","3","5","6","1") = "5"
    & skf21("3","4","3","4","3","5","7","1") = "6"
    & skf21("3","4","3","4","3","6","1","1") = "5"
    & skf21("3","4","3","4","3","6","2","1") = "5"
    & skf21("3","4","3","4","3","6","3","1") = "5"
    & skf21("3","4","3","4","3","6","4","1") = "5"
    & skf21("3","4","3","4","3","6","5","1") = "5"
    & skf21("3","4","3","4","3","6","6","1") = "5"
    & skf21("3","4","3","4","3","6","7","1") = "6"
    & skf21("3","4","3","4","3","7","1","1") = "6"
    & skf21("3","4","3","4","3","7","2","1") = "6"
    & skf21("3","4","3","4","3","7","3","1") = "6"
    & skf21("3","4","3","4","3","7","4","1") = "6"
    & skf21("3","4","3","4","3","7","5","1") = "6"
    & skf21("3","4","3","4","3","7","6","1") = "6"
    & skf21("3","4","3","4","3","7","7","1") = "6"
    & skf21("3","4","3","4","4","1","1","1") = "3"
    & skf21("3","4","3","4","4","1","2","1") = "3"
    & skf21("3","4","3","4","4","1","3","1") = "3"
    & skf21("3","4","3","4","4","1","4","1") = "3"
    & skf21("3","4","3","4","4","1","5","1") = "4"
    & skf21("3","4","3","4","4","1","6","1") = "5"
    & skf21("3","4","3","4","4","1","7","1") = "6"
    & skf21("3","4","3","4","4","2","1","1") = "3"
    & skf21("3","4","3","4","4","2","2","1") = "3"
    & skf21("3","4","3","4","4","2","3","1") = "3"
    & skf21("3","4","3","4","4","2","4","1") = "3"
    & skf21("3","4","3","4","4","2","5","1") = "4"
    & skf21("3","4","3","4","4","2","6","1") = "5"
    & skf21("3","4","3","4","4","2","7","1") = "6"
    & skf21("3","4","3","4","4","3","1","1") = "3"
    & skf21("3","4","3","4","4","3","2","1") = "3"
    & skf21("3","4","3","4","4","3","3","1") = "3"
    & skf21("3","4","3","4","4","3","4","1") = "3"
    & skf21("3","4","3","4","4","3","5","1") = "4"
    & skf21("3","4","3","4","4","3","6","1") = "5"
    & skf21("3","4","3","4","4","3","7","1") = "6"
    & skf21("3","4","3","4","4","4","1","1") = "3"
    & skf21("3","4","3","4","4","4","2","1") = "3"
    & skf21("3","4","3","4","4","4","3","1") = "3"
    & skf21("3","4","3","4","4","4","4","1") = "3"
    & skf21("3","4","3","4","4","4","5","1") = "4"
    & skf21("3","4","3","4","4","4","6","1") = "5"
    & skf21("3","4","3","4","4","4","7","1") = "6"
    & skf21("3","4","3","4","4","5","1","1") = "4"
    & skf21("3","4","3","4","4","5","2","1") = "4"
    & skf21("3","4","3","4","4","5","3","1") = "4"
    & skf21("3","4","3","4","4","5","4","1") = "4"
    & skf21("3","4","3","4","4","5","5","1") = "4"
    & skf21("3","4","3","4","4","5","6","1") = "5"
    & skf21("3","4","3","4","4","5","7","1") = "6"
    & skf21("3","4","3","4","4","6","1","1") = "5"
    & skf21("3","4","3","4","4","6","2","1") = "5"
    & skf21("3","4","3","4","4","6","3","1") = "5"
    & skf21("3","4","3","4","4","6","4","1") = "5"
    & skf21("3","4","3","4","4","6","5","1") = "5"
    & skf21("3","4","3","4","4","6","6","1") = "5"
    & skf21("3","4","3","4","4","6","7","1") = "6"
    & skf21("3","4","3","4","4","7","1","1") = "6"
    & skf21("3","4","3","4","4","7","2","1") = "6"
    & skf21("3","4","3","4","4","7","3","1") = "6"
    & skf21("3","4","3","4","4","7","4","1") = "6"
    & skf21("3","4","3","4","4","7","5","1") = "6"
    & skf21("3","4","3","4","4","7","6","1") = "6"
    & skf21("3","4","3","4","4","7","7","1") = "6"
    & skf21("3","4","3","4","5","1","1","1") = "4"
    & skf21("3","4","3","4","5","1","2","1") = "4"
    & skf21("3","4","3","4","5","1","3","1") = "4"
    & skf21("3","4","3","4","5","1","4","1") = "4"
    & skf21("3","4","3","4","5","1","5","1") = "4"
    & skf21("3","4","3","4","5","1","6","1") = "5"
    & skf21("3","4","3","4","5","1","7","1") = "6"
    & skf21("3","4","3","4","5","2","1","1") = "4"
    & skf21("3","4","3","4","5","2","2","1") = "4"
    & skf21("3","4","3","4","5","2","3","1") = "4"
    & skf21("3","4","3","4","5","2","4","1") = "4"
    & skf21("3","4","3","4","5","2","5","1") = "4"
    & skf21("3","4","3","4","5","2","6","1") = "5"
    & skf21("3","4","3","4","5","2","7","1") = "6"
    & skf21("3","4","3","4","5","3","1","1") = "4"
    & skf21("3","4","3","4","5","3","2","1") = "4"
    & skf21("3","4","3","4","5","3","3","1") = "4"
    & skf21("3","4","3","4","5","3","4","1") = "4"
    & skf21("3","4","3","4","5","3","5","1") = "4"
    & skf21("3","4","3","4","5","3","6","1") = "5"
    & skf21("3","4","3","4","5","3","7","1") = "6"
    & skf21("3","4","3","4","5","4","1","1") = "4"
    & skf21("3","4","3","4","5","4","2","1") = "4"
    & skf21("3","4","3","4","5","4","3","1") = "4"
    & skf21("3","4","3","4","5","4","4","1") = "4"
    & skf21("3","4","3","4","5","4","5","1") = "4"
    & skf21("3","4","3","4","5","4","6","1") = "5"
    & skf21("3","4","3","4","5","4","7","1") = "6"
    & skf21("3","4","3","4","5","5","1","1") = "4"
    & skf21("3","4","3","4","5","5","2","1") = "4"
    & skf21("3","4","3","4","5","5","3","1") = "4"
    & skf21("3","4","3","4","5","5","4","1") = "4"
    & skf21("3","4","3","4","5","5","5","1") = "4"
    & skf21("3","4","3","4","5","5","6","1") = "5"
    & skf21("3","4","3","4","5","5","7","1") = "6"
    & skf21("3","4","3","4","5","6","1","1") = "5"
    & skf21("3","4","3","4","5","6","2","1") = "5"
    & skf21("3","4","3","4","5","6","3","1") = "5"
    & skf21("3","4","3","4","5","6","4","1") = "5"
    & skf21("3","4","3","4","5","6","5","1") = "5"
    & skf21("3","4","3","4","5","6","6","1") = "5"
    & skf21("3","4","3","4","5","6","7","1") = "6"
    & skf21("3","4","3","4","5","7","1","1") = "6"
    & skf21("3","4","3","4","5","7","2","1") = "6"
    & skf21("3","4","3","4","5","7","3","1") = "6"
    & skf21("3","4","3","4","5","7","4","1") = "6"
    & skf21("3","4","3","4","5","7","5","1") = "6"
    & skf21("3","4","3","4","5","7","6","1") = "6"
    & skf21("3","4","3","4","5","7","7","1") = "6"
    & skf21("3","4","3","4","6","1","1","1") = "5"
    & skf21("3","4","3","4","6","1","2","1") = "5"
    & skf21("3","4","3","4","6","1","3","1") = "5"
    & skf21("3","4","3","4","6","1","4","1") = "5"
    & skf21("3","4","3","4","6","1","5","1") = "5"
    & skf21("3","4","3","4","6","1","6","1") = "5"
    & skf21("3","4","3","4","6","1","7","1") = "6"
    & skf21("3","4","3","4","6","2","1","1") = "5"
    & skf21("3","4","3","4","6","2","2","1") = "5"
    & skf21("3","4","3","4","6","2","3","1") = "5"
    & skf21("3","4","3","4","6","2","4","1") = "5"
    & skf21("3","4","3","4","6","2","5","1") = "5"
    & skf21("3","4","3","4","6","2","6","1") = "5"
    & skf21("3","4","3","4","6","2","7","1") = "6"
    & skf21("3","4","3","4","6","3","1","1") = "5"
    & skf21("3","4","3","4","6","3","2","1") = "5"
    & skf21("3","4","3","4","6","3","3","1") = "5"
    & skf21("3","4","3","4","6","3","4","1") = "5"
    & skf21("3","4","3","4","6","3","5","1") = "5"
    & skf21("3","4","3","4","6","3","6","1") = "5"
    & skf21("3","4","3","4","6","3","7","1") = "6"
    & skf21("3","4","3","4","6","4","1","1") = "5"
    & skf21("3","4","3","4","6","4","2","1") = "5"
    & skf21("3","4","3","4","6","4","3","1") = "5"
    & skf21("3","4","3","4","6","4","4","1") = "5"
    & skf21("3","4","3","4","6","4","5","1") = "5"
    & skf21("3","4","3","4","6","4","6","1") = "5"
    & skf21("3","4","3","4","6","4","7","1") = "6"
    & skf21("3","4","3","4","6","5","1","1") = "5"
    & skf21("3","4","3","4","6","5","2","1") = "5"
    & skf21("3","4","3","4","6","5","3","1") = "5"
    & skf21("3","4","3","4","6","5","4","1") = "5"
    & skf21("3","4","3","4","6","5","5","1") = "5"
    & skf21("3","4","3","4","6","5","6","1") = "5"
    & skf21("3","4","3","4","6","5","7","1") = "6"
    & skf21("3","4","3","4","6","6","1","1") = "5"
    & skf21("3","4","3","4","6","6","2","1") = "5"
    & skf21("3","4","3","4","6","6","3","1") = "5"
    & skf21("3","4","3","4","6","6","4","1") = "5"
    & skf21("3","4","3","4","6","6","5","1") = "5"
    & skf21("3","4","3","4","6","6","6","1") = "5"
    & skf21("3","4","3","4","6","6","7","1") = "6"
    & skf21("3","4","3","4","6","7","1","1") = "6"
    & skf21("3","4","3","4","6","7","2","1") = "6"
    & skf21("3","4","3","4","6","7","3","1") = "6"
    & skf21("3","4","3","4","6","7","4","1") = "6"
    & skf21("3","4","3","4","6","7","5","1") = "6"
    & skf21("3","4","3","4","6","7","6","1") = "6"
    & skf21("3","4","3","4","6","7","7","1") = "6"
    & skf21("3","4","3","4","7","1","1","1") = "6"
    & skf21("3","4","3","4","7","1","2","1") = "6"
    & skf21("3","4","3","4","7","1","3","1") = "6"
    & skf21("3","4","3","4","7","1","4","1") = "6"
    & skf21("3","4","3","4","7","1","5","1") = "6"
    & skf21("3","4","3","4","7","1","6","1") = "6"
    & skf21("3","4","3","4","7","1","7","1") = "6"
    & skf21("3","4","3","4","7","2","1","1") = "6"
    & skf21("3","4","3","4","7","2","2","1") = "6"
    & skf21("3","4","3","4","7","2","3","1") = "6"
    & skf21("3","4","3","4","7","2","4","1") = "6"
    & skf21("3","4","3","4","7","2","5","1") = "6"
    & skf21("3","4","3","4","7","2","6","1") = "6"
    & skf21("3","4","3","4","7","2","7","1") = "6"
    & skf21("3","4","3","4","7","3","1","1") = "6"
    & skf21("3","4","3","4","7","3","2","1") = "6"
    & skf21("3","4","3","4","7","3","3","1") = "6"
    & skf21("3","4","3","4","7","3","4","1") = "6"
    & skf21("3","4","3","4","7","3","5","1") = "6"
    & skf21("3","4","3","4","7","3","6","1") = "6"
    & skf21("3","4","3","4","7","3","7","1") = "6"
    & skf21("3","4","3","4","7","4","1","1") = "6"
    & skf21("3","4","3","4","7","4","2","1") = "6"
    & skf21("3","4","3","4","7","4","3","1") = "6"
    & skf21("3","4","3","4","7","4","4","1") = "6"
    & skf21("3","4","3","4","7","4","5","1") = "6"
    & skf21("3","4","3","4","7","4","6","1") = "6"
    & skf21("3","4","3","4","7","4","7","1") = "6"
    & skf21("3","4","3","4","7","5","1","1") = "6"
    & skf21("3","4","3","4","7","5","2","1") = "6"
    & skf21("3","4","3","4","7","5","3","1") = "6"
    & skf21("3","4","3","4","7","5","4","1") = "6"
    & skf21("3","4","3","4","7","5","5","1") = "6"
    & skf21("3","4","3","4","7","5","6","1") = "6"
    & skf21("3","4","3","4","7","5","7","1") = "6"
    & skf21("3","4","3","4","7","6","1","1") = "6"
    & skf21("3","4","3","4","7","6","2","1") = "6"
    & skf21("3","4","3","4","7","6","3","1") = "6"
    & skf21("3","4","3","4","7","6","4","1") = "6"
    & skf21("3","4","3","4","7","6","5","1") = "6"
    & skf21("3","4","3","4","7","6","6","1") = "6"
    & skf21("3","4","3","4","7","6","7","1") = "6"
    & skf21("3","4","3","4","7","7","1","1") = "6"
    & skf21("3","4","3","4","7","7","2","1") = "6"
    & skf21("3","4","3","4","7","7","3","1") = "6"
    & skf21("3","4","3","4","7","7","4","1") = "6"
    & skf21("3","4","3","4","7","7","5","1") = "6"
    & skf21("3","4","3","4","7","7","6","1") = "6"
    & skf21("3","4","3","4","7","7","7","1") = "6"
    & skf21("3","4","3","5","1","1","1","1") = "4"
    & skf21("3","4","3","5","1","1","2","1") = "4"
    & skf21("3","4","3","5","1","1","3","1") = "4"
    & skf21("3","4","3","5","1","1","4","1") = "4"
    & skf21("3","4","3","5","1","1","5","1") = "4"
    & skf21("3","4","3","5","1","1","6","1") = "5"
    & skf21("3","4","3","5","1","1","7","1") = "6"
    & skf21("3","4","3","5","1","2","1","1") = "4"
    & skf21("3","4","3","5","1","2","2","1") = "4"
    & skf21("3","4","3","5","1","2","3","1") = "4"
    & skf21("3","4","3","5","1","2","4","1") = "4"
    & skf21("3","4","3","5","1","2","5","1") = "4"
    & skf21("3","4","3","5","1","2","6","1") = "5"
    & skf21("3","4","3","5","1","2","7","1") = "6"
    & skf21("3","4","3","5","1","3","1","1") = "4"
    & skf21("3","4","3","5","1","3","2","1") = "4"
    & skf21("3","4","3","5","1","3","3","1") = "4"
    & skf21("3","4","3","5","1","3","4","1") = "4"
    & skf21("3","4","3","5","1","3","5","1") = "4"
    & skf21("3","4","3","5","1","3","6","1") = "5"
    & skf21("3","4","3","5","1","3","7","1") = "6"
    & skf21("3","4","3","5","1","4","1","1") = "4"
    & skf21("3","4","3","5","1","4","2","1") = "4"
    & skf21("3","4","3","5","1","4","3","1") = "4"
    & skf21("3","4","3","5","1","4","4","1") = "4"
    & skf21("3","4","3","5","1","4","5","1") = "4"
    & skf21("3","4","3","5","1","4","6","1") = "5"
    & skf21("3","4","3","5","1","4","7","1") = "6"
    & skf21("3","4","3","5","1","5","1","1") = "4"
    & skf21("3","4","3","5","1","5","2","1") = "4"
    & skf21("3","4","3","5","1","5","3","1") = "4"
    & skf21("3","4","3","5","1","5","4","1") = "4"
    & skf21("3","4","3","5","1","5","5","1") = "4"
    & skf21("3","4","3","5","1","5","6","1") = "5"
    & skf21("3","4","3","5","1","5","7","1") = "6"
    & skf21("3","4","3","5","1","6","1","1") = "5"
    & skf21("3","4","3","5","1","6","2","1") = "5"
    & skf21("3","4","3","5","1","6","3","1") = "5"
    & skf21("3","4","3","5","1","6","4","1") = "5"
    & skf21("3","4","3","5","1","6","5","1") = "5"
    & skf21("3","4","3","5","1","6","6","1") = "5"
    & skf21("3","4","3","5","1","6","7","1") = "6"
    & skf21("3","4","3","5","1","7","1","1") = "6"
    & skf21("3","4","3","5","1","7","2","1") = "6"
    & skf21("3","4","3","5","1","7","3","1") = "6"
    & skf21("3","4","3","5","1","7","4","1") = "6"
    & skf21("3","4","3","5","1","7","5","1") = "6"
    & skf21("3","4","3","5","1","7","6","1") = "6"
    & skf21("3","4","3","5","1","7","7","1") = "6"
    & skf21("3","4","3","5","2","1","1","1") = "4"
    & skf21("3","4","3","5","2","1","2","1") = "4"
    & skf21("3","4","3","5","2","1","3","1") = "4"
    & skf21("3","4","3","5","2","1","4","1") = "4"
    & skf21("3","4","3","5","2","1","5","1") = "4"
    & skf21("3","4","3","5","2","1","6","1") = "5"
    & skf21("3","4","3","5","2","1","7","1") = "6"
    & skf21("3","4","3","5","2","2","1","1") = "4"
    & skf21("3","4","3","5","2","2","2","1") = "4"
    & skf21("3","4","3","5","2","2","3","1") = "4"
    & skf21("3","4","3","5","2","2","4","1") = "4"
    & skf21("3","4","3","5","2","2","5","1") = "4"
    & skf21("3","4","3","5","2","2","6","1") = "5"
    & skf21("3","4","3","5","2","2","7","1") = "6"
    & skf21("3","4","3","5","2","3","1","1") = "4"
    & skf21("3","4","3","5","2","3","2","1") = "4"
    & skf21("3","4","3","5","2","3","3","1") = "4"
    & skf21("3","4","3","5","2","3","4","1") = "4"
    & skf21("3","4","3","5","2","3","5","1") = "4"
    & skf21("3","4","3","5","2","3","6","1") = "5"
    & skf21("3","4","3","5","2","3","7","1") = "6"
    & skf21("3","4","3","5","2","4","1","1") = "4"
    & skf21("3","4","3","5","2","4","2","1") = "4"
    & skf21("3","4","3","5","2","4","3","1") = "4"
    & skf21("3","4","3","5","2","4","4","1") = "4"
    & skf21("3","4","3","5","2","4","5","1") = "4"
    & skf21("3","4","3","5","2","4","6","1") = "5"
    & skf21("3","4","3","5","2","4","7","1") = "6"
    & skf21("3","4","3","5","2","5","1","1") = "4"
    & skf21("3","4","3","5","2","5","2","1") = "4"
    & skf21("3","4","3","5","2","5","3","1") = "4"
    & skf21("3","4","3","5","2","5","4","1") = "4"
    & skf21("3","4","3","5","2","5","5","1") = "4"
    & skf21("3","4","3","5","2","5","6","1") = "5"
    & skf21("3","4","3","5","2","5","7","1") = "6"
    & skf21("3","4","3","5","2","6","1","1") = "5"
    & skf21("3","4","3","5","2","6","2","1") = "5"
    & skf21("3","4","3","5","2","6","3","1") = "5"
    & skf21("3","4","3","5","2","6","4","1") = "5"
    & skf21("3","4","3","5","2","6","5","1") = "5"
    & skf21("3","4","3","5","2","6","6","1") = "5"
    & skf21("3","4","3","5","2","6","7","1") = "6"
    & skf21("3","4","3","5","2","7","1","1") = "6"
    & skf21("3","4","3","5","2","7","2","1") = "6"
    & skf21("3","4","3","5","2","7","3","1") = "6"
    & skf21("3","4","3","5","2","7","4","1") = "6"
    & skf21("3","4","3","5","2","7","5","1") = "6"
    & skf21("3","4","3","5","2","7","6","1") = "6"
    & skf21("3","4","3","5","2","7","7","1") = "6"
    & skf21("3","4","3","5","3","1","1","1") = "4"
    & skf21("3","4","3","5","3","1","2","1") = "4"
    & skf21("3","4","3","5","3","1","3","1") = "4"
    & skf21("3","4","3","5","3","1","4","1") = "4"
    & skf21("3","4","3","5","3","1","5","1") = "4"
    & skf21("3","4","3","5","3","1","6","1") = "5"
    & skf21("3","4","3","5","3","1","7","1") = "6"
    & skf21("3","4","3","5","3","2","1","1") = "4"
    & skf21("3","4","3","5","3","2","2","1") = "4"
    & skf21("3","4","3","5","3","2","3","1") = "4"
    & skf21("3","4","3","5","3","2","4","1") = "4"
    & skf21("3","4","3","5","3","2","5","1") = "4"
    & skf21("3","4","3","5","3","2","6","1") = "5"
    & skf21("3","4","3","5","3","2","7","1") = "6"
    & skf21("3","4","3","5","3","3","1","1") = "4"
    & skf21("3","4","3","5","3","3","2","1") = "4"
    & skf21("3","4","3","5","3","3","3","1") = "4"
    & skf21("3","4","3","5","3","3","4","1") = "4"
    & skf21("3","4","3","5","3","3","5","1") = "4"
    & skf21("3","4","3","5","3","3","6","1") = "5"
    & skf21("3","4","3","5","3","3","7","1") = "6"
    & skf21("3","4","3","5","3","4","1","1") = "4"
    & skf21("3","4","3","5","3","4","2","1") = "4"
    & skf21("3","4","3","5","3","4","3","1") = "4"
    & skf21("3","4","3","5","3","4","4","1") = "4"
    & skf21("3","4","3","5","3","4","5","1") = "4"
    & skf21("3","4","3","5","3","4","6","1") = "5"
    & skf21("3","4","3","5","3","4","7","1") = "6"
    & skf21("3","4","3","5","3","5","1","1") = "4"
    & skf21("3","4","3","5","3","5","2","1") = "4"
    & skf21("3","4","3","5","3","5","3","1") = "4"
    & skf21("3","4","3","5","3","5","4","1") = "4"
    & skf21("3","4","3","5","3","5","5","1") = "4"
    & skf21("3","4","3","5","3","5","6","1") = "5"
    & skf21("3","4","3","5","3","5","7","1") = "6"
    & skf21("3","4","3","5","3","6","1","1") = "5"
    & skf21("3","4","3","5","3","6","2","1") = "5"
    & skf21("3","4","3","5","3","6","3","1") = "5"
    & skf21("3","4","3","5","3","6","4","1") = "5"
    & skf21("3","4","3","5","3","6","5","1") = "5"
    & skf21("3","4","3","5","3","6","6","1") = "5"
    & skf21("3","4","3","5","3","6","7","1") = "6"
    & skf21("3","4","3","5","3","7","1","1") = "6"
    & skf21("3","4","3","5","3","7","2","1") = "6"
    & skf21("3","4","3","5","3","7","3","1") = "6"
    & skf21("3","4","3","5","3","7","4","1") = "6"
    & skf21("3","4","3","5","3","7","5","1") = "6"
    & skf21("3","4","3","5","3","7","6","1") = "6"
    & skf21("3","4","3","5","3","7","7","1") = "6"
    & skf21("3","4","3","5","4","1","1","1") = "4"
    & skf21("3","4","3","5","4","1","2","1") = "4"
    & skf21("3","4","3","5","4","1","3","1") = "4"
    & skf21("3","4","3","5","4","1","4","1") = "4"
    & skf21("3","4","3","5","4","1","5","1") = "4"
    & skf21("3","4","3","5","4","1","6","1") = "5"
    & skf21("3","4","3","5","4","1","7","1") = "6"
    & skf21("3","4","3","5","4","2","1","1") = "4"
    & skf21("3","4","3","5","4","2","2","1") = "4"
    & skf21("3","4","3","5","4","2","3","1") = "4"
    & skf21("3","4","3","5","4","2","4","1") = "4"
    & skf21("3","4","3","5","4","2","5","1") = "4"
    & skf21("3","4","3","5","4","2","6","1") = "5"
    & skf21("3","4","3","5","4","2","7","1") = "6"
    & skf21("3","4","3","5","4","3","1","1") = "4"
    & skf21("3","4","3","5","4","3","2","1") = "4"
    & skf21("3","4","3","5","4","3","3","1") = "4"
    & skf21("3","4","3","5","4","3","4","1") = "4"
    & skf21("3","4","3","5","4","3","5","1") = "4"
    & skf21("3","4","3","5","4","3","6","1") = "5"
    & skf21("3","4","3","5","4","3","7","1") = "6"
    & skf21("3","4","3","5","4","4","1","1") = "4"
    & skf21("3","4","3","5","4","4","2","1") = "4"
    & skf21("3","4","3","5","4","4","3","1") = "4"
    & skf21("3","4","3","5","4","4","4","1") = "4"
    & skf21("3","4","3","5","4","4","5","1") = "4"
    & skf21("3","4","3","5","4","4","6","1") = "5"
    & skf21("3","4","3","5","4","4","7","1") = "6"
    & skf21("3","4","3","5","4","5","1","1") = "4"
    & skf21("3","4","3","5","4","5","2","1") = "4"
    & skf21("3","4","3","5","4","5","3","1") = "4"
    & skf21("3","4","3","5","4","5","4","1") = "4"
    & skf21("3","4","3","5","4","5","5","1") = "4"
    & skf21("3","4","3","5","4","5","6","1") = "5"
    & skf21("3","4","3","5","4","5","7","1") = "6"
    & skf21("3","4","3","5","4","6","1","1") = "5"
    & skf21("3","4","3","5","4","6","2","1") = "5"
    & skf21("3","4","3","5","4","6","3","1") = "5"
    & skf21("3","4","3","5","4","6","4","1") = "5"
    & skf21("3","4","3","5","4","6","5","1") = "5"
    & skf21("3","4","3","5","4","6","6","1") = "5"
    & skf21("3","4","3","5","4","6","7","1") = "6"
    & skf21("3","4","3","5","4","7","1","1") = "6"
    & skf21("3","4","3","5","4","7","2","1") = "6"
    & skf21("3","4","3","5","4","7","3","1") = "6"
    & skf21("3","4","3","5","4","7","4","1") = "6"
    & skf21("3","4","3","5","4","7","5","1") = "6"
    & skf21("3","4","3","5","4","7","6","1") = "6"
    & skf21("3","4","3","5","4","7","7","1") = "6"
    & skf21("3","4","3","5","5","1","1","1") = "4"
    & skf21("3","4","3","5","5","1","2","1") = "4"
    & skf21("3","4","3","5","5","1","3","1") = "4"
    & skf21("3","4","3","5","5","1","4","1") = "4"
    & skf21("3","4","3","5","5","1","5","1") = "4"
    & skf21("3","4","3","5","5","1","6","1") = "5"
    & skf21("3","4","3","5","5","1","7","1") = "6"
    & skf21("3","4","3","5","5","2","1","1") = "4"
    & skf21("3","4","3","5","5","2","2","1") = "4"
    & skf21("3","4","3","5","5","2","3","1") = "4"
    & skf21("3","4","3","5","5","2","4","1") = "4"
    & skf21("3","4","3","5","5","2","5","1") = "4"
    & skf21("3","4","3","5","5","2","6","1") = "5"
    & skf21("3","4","3","5","5","2","7","1") = "6"
    & skf21("3","4","3","5","5","3","1","1") = "4"
    & skf21("3","4","3","5","5","3","2","1") = "4"
    & skf21("3","4","3","5","5","3","3","1") = "4"
    & skf21("3","4","3","5","5","3","4","1") = "4"
    & skf21("3","4","3","5","5","3","5","1") = "4"
    & skf21("3","4","3","5","5","3","6","1") = "5"
    & skf21("3","4","3","5","5","3","7","1") = "6"
    & skf21("3","4","3","5","5","4","1","1") = "4"
    & skf21("3","4","3","5","5","4","2","1") = "4"
    & skf21("3","4","3","5","5","4","3","1") = "4"
    & skf21("3","4","3","5","5","4","4","1") = "4"
    & skf21("3","4","3","5","5","4","5","1") = "4"
    & skf21("3","4","3","5","5","4","6","1") = "5"
    & skf21("3","4","3","5","5","4","7","1") = "6"
    & skf21("3","4","3","5","5","5","1","1") = "4"
    & skf21("3","4","3","5","5","5","2","1") = "4"
    & skf21("3","4","3","5","5","5","3","1") = "4"
    & skf21("3","4","3","5","5","5","4","1") = "4"
    & skf21("3","4","3","5","5","5","5","1") = "4"
    & skf21("3","4","3","5","5","5","6","1") = "5"
    & skf21("3","4","3","5","5","5","7","1") = "6"
    & skf21("3","4","3","5","5","6","1","1") = "5"
    & skf21("3","4","3","5","5","6","2","1") = "5"
    & skf21("3","4","3","5","5","6","3","1") = "5"
    & skf21("3","4","3","5","5","6","4","1") = "5"
    & skf21("3","4","3","5","5","6","5","1") = "5"
    & skf21("3","4","3","5","5","6","6","1") = "5"
    & skf21("3","4","3","5","5","6","7","1") = "6"
    & skf21("3","4","3","5","5","7","1","1") = "6"
    & skf21("3","4","3","5","5","7","2","1") = "6"
    & skf21("3","4","3","5","5","7","3","1") = "6"
    & skf21("3","4","3","5","5","7","4","1") = "6"
    & skf21("3","4","3","5","5","7","5","1") = "6"
    & skf21("3","4","3","5","5","7","6","1") = "6"
    & skf21("3","4","3","5","5","7","7","1") = "6"
    & skf21("3","4","3","5","6","1","1","1") = "5"
    & skf21("3","4","3","5","6","1","2","1") = "5"
    & skf21("3","4","3","5","6","1","3","1") = "5"
    & skf21("3","4","3","5","6","1","4","1") = "5"
    & skf21("3","4","3","5","6","1","5","1") = "5"
    & skf21("3","4","3","5","6","1","6","1") = "5"
    & skf21("3","4","3","5","6","1","7","1") = "6"
    & skf21("3","4","3","5","6","2","1","1") = "5"
    & skf21("3","4","3","5","6","2","2","1") = "5"
    & skf21("3","4","3","5","6","2","3","1") = "5"
    & skf21("3","4","3","5","6","2","4","1") = "5"
    & skf21("3","4","3","5","6","2","5","1") = "5"
    & skf21("3","4","3","5","6","2","6","1") = "5"
    & skf21("3","4","3","5","6","2","7","1") = "6"
    & skf21("3","4","3","5","6","3","1","1") = "5"
    & skf21("3","4","3","5","6","3","2","1") = "5"
    & skf21("3","4","3","5","6","3","3","1") = "5"
    & skf21("3","4","3","5","6","3","4","1") = "5"
    & skf21("3","4","3","5","6","3","5","1") = "5"
    & skf21("3","4","3","5","6","3","6","1") = "5"
    & skf21("3","4","3","5","6","3","7","1") = "6"
    & skf21("3","4","3","5","6","4","1","1") = "5"
    & skf21("3","4","3","5","6","4","2","1") = "5"
    & skf21("3","4","3","5","6","4","3","1") = "5"
    & skf21("3","4","3","5","6","4","4","1") = "5"
    & skf21("3","4","3","5","6","4","5","1") = "5"
    & skf21("3","4","3","5","6","4","6","1") = "5"
    & skf21("3","4","3","5","6","4","7","1") = "6"
    & skf21("3","4","3","5","6","5","1","1") = "5"
    & skf21("3","4","3","5","6","5","2","1") = "5"
    & skf21("3","4","3","5","6","5","3","1") = "5"
    & skf21("3","4","3","5","6","5","4","1") = "5"
    & skf21("3","4","3","5","6","5","5","1") = "5"
    & skf21("3","4","3","5","6","5","6","1") = "5"
    & skf21("3","4","3","5","6","5","7","1") = "6"
    & skf21("3","4","3","5","6","6","1","1") = "5"
    & skf21("3","4","3","5","6","6","2","1") = "5"
    & skf21("3","4","3","5","6","6","3","1") = "5"
    & skf21("3","4","3","5","6","6","4","1") = "5"
    & skf21("3","4","3","5","6","6","5","1") = "5"
    & skf21("3","4","3","5","6","6","6","1") = "5"
    & skf21("3","4","3","5","6","6","7","1") = "6"
    & skf21("3","4","3","5","6","7","1","1") = "6"
    & skf21("3","4","3","5","6","7","2","1") = "6"
    & skf21("3","4","3","5","6","7","3","1") = "6"
    & skf21("3","4","3","5","6","7","4","1") = "6"
    & skf21("3","4","3","5","6","7","5","1") = "6"
    & skf21("3","4","3","5","6","7","6","1") = "6"
    & skf21("3","4","3","5","6","7","7","1") = "6"
    & skf21("3","4","3","5","7","1","1","1") = "6"
    & skf21("3","4","3","5","7","1","2","1") = "6"
    & skf21("3","4","3","5","7","1","3","1") = "6"
    & skf21("3","4","3","5","7","1","4","1") = "6"
    & skf21("3","4","3","5","7","1","5","1") = "6"
    & skf21("3","4","3","5","7","1","6","1") = "6"
    & skf21("3","4","3","5","7","1","7","1") = "6"
    & skf21("3","4","3","5","7","2","1","1") = "6"
    & skf21("3","4","3","5","7","2","2","1") = "6"
    & skf21("3","4","3","5","7","2","3","1") = "6"
    & skf21("3","4","3","5","7","2","4","1") = "6"
    & skf21("3","4","3","5","7","2","5","1") = "6"
    & skf21("3","4","3","5","7","2","6","1") = "6"
    & skf21("3","4","3","5","7","2","7","1") = "6"
    & skf21("3","4","3","5","7","3","1","1") = "6"
    & skf21("3","4","3","5","7","3","2","1") = "6"
    & skf21("3","4","3","5","7","3","3","1") = "6"
    & skf21("3","4","3","5","7","3","4","1") = "6"
    & skf21("3","4","3","5","7","3","5","1") = "6"
    & skf21("3","4","3","5","7","3","6","1") = "6"
    & skf21("3","4","3","5","7","3","7","1") = "6"
    & skf21("3","4","3","5","7","4","1","1") = "6"
    & skf21("3","4","3","5","7","4","2","1") = "6"
    & skf21("3","4","3","5","7","4","3","1") = "6"
    & skf21("3","4","3","5","7","4","4","1") = "6"
    & skf21("3","4","3","5","7","4","5","1") = "6"
    & skf21("3","4","3","5","7","4","6","1") = "6"
    & skf21("3","4","3","5","7","4","7","1") = "6"
    & skf21("3","4","3","5","7","5","1","1") = "6"
    & skf21("3","4","3","5","7","5","2","1") = "6"
    & skf21("3","4","3","5","7","5","3","1") = "6"
    & skf21("3","4","3","5","7","5","4","1") = "6"
    & skf21("3","4","3","5","7","5","5","1") = "6"
    & skf21("3","4","3","5","7","5","6","1") = "6"
    & skf21("3","4","3","5","7","5","7","1") = "6"
    & skf21("3","4","3","5","7","6","1","1") = "6"
    & skf21("3","4","3","5","7","6","2","1") = "6"
    & skf21("3","4","3","5","7","6","3","1") = "6"
    & skf21("3","4","3","5","7","6","4","1") = "6"
    & skf21("3","4","3","5","7","6","5","1") = "6"
    & skf21("3","4","3","5","7","6","6","1") = "6"
    & skf21("3","4","3","5","7","6","7","1") = "6"
    & skf21("3","4","3","5","7","7","1","1") = "6"
    & skf21("3","4","3","5","7","7","2","1") = "6"
    & skf21("3","4","3","5","7","7","3","1") = "6"
    & skf21("3","4","3","5","7","7","4","1") = "6"
    & skf21("3","4","3","5","7","7","5","1") = "6"
    & skf21("3","4","3","5","7","7","6","1") = "6"
    & skf21("3","4","3","5","7","7","7","1") = "6"
    & skf21("3","4","3","6","1","1","1","1") = "5"
    & skf21("3","4","3","6","1","1","2","1") = "5"
    & skf21("3","4","3","6","1","1","3","1") = "5"
    & skf21("3","4","3","6","1","1","4","1") = "5"
    & skf21("3","4","3","6","1","1","5","1") = "5"
    & skf21("3","4","3","6","1","1","6","1") = "5"
    & skf21("3","4","3","6","1","1","7","1") = "6"
    & skf21("3","4","3","6","1","2","1","1") = "5"
    & skf21("3","4","3","6","1","2","2","1") = "5"
    & skf21("3","4","3","6","1","2","3","1") = "5"
    & skf21("3","4","3","6","1","2","4","1") = "5"
    & skf21("3","4","3","6","1","2","5","1") = "5"
    & skf21("3","4","3","6","1","2","6","1") = "5"
    & skf21("3","4","3","6","1","2","7","1") = "6"
    & skf21("3","4","3","6","1","3","1","1") = "5"
    & skf21("3","4","3","6","1","3","2","1") = "5"
    & skf21("3","4","3","6","1","3","3","1") = "5"
    & skf21("3","4","3","6","1","3","4","1") = "5"
    & skf21("3","4","3","6","1","3","5","1") = "5"
    & skf21("3","4","3","6","1","3","6","1") = "5"
    & skf21("3","4","3","6","1","3","7","1") = "6"
    & skf21("3","4","3","6","1","4","1","1") = "5"
    & skf21("3","4","3","6","1","4","2","1") = "5"
    & skf21("3","4","3","6","1","4","3","1") = "5"
    & skf21("3","4","3","6","1","4","4","1") = "5"
    & skf21("3","4","3","6","1","4","5","1") = "5"
    & skf21("3","4","3","6","1","4","6","1") = "5"
    & skf21("3","4","3","6","1","4","7","1") = "6"
    & skf21("3","4","3","6","1","5","1","1") = "5"
    & skf21("3","4","3","6","1","5","2","1") = "5"
    & skf21("3","4","3","6","1","5","3","1") = "5"
    & skf21("3","4","3","6","1","5","4","1") = "5"
    & skf21("3","4","3","6","1","5","5","1") = "5"
    & skf21("3","4","3","6","1","5","6","1") = "5"
    & skf21("3","4","3","6","1","5","7","1") = "6"
    & skf21("3","4","3","6","1","6","1","1") = "5"
    & skf21("3","4","3","6","1","6","2","1") = "5"
    & skf21("3","4","3","6","1","6","3","1") = "5"
    & skf21("3","4","3","6","1","6","4","1") = "5"
    & skf21("3","4","3","6","1","6","5","1") = "5"
    & skf21("3","4","3","6","1","6","6","1") = "5"
    & skf21("3","4","3","6","1","6","7","1") = "6"
    & skf21("3","4","3","6","1","7","1","1") = "6"
    & skf21("3","4","3","6","1","7","2","1") = "6"
    & skf21("3","4","3","6","1","7","3","1") = "6"
    & skf21("3","4","3","6","1","7","4","1") = "6"
    & skf21("3","4","3","6","1","7","5","1") = "6"
    & skf21("3","4","3","6","1","7","6","1") = "6"
    & skf21("3","4","3","6","1","7","7","1") = "6"
    & skf21("3","4","3","6","2","1","1","1") = "5"
    & skf21("3","4","3","6","2","1","2","1") = "5"
    & skf21("3","4","3","6","2","1","3","1") = "5"
    & skf21("3","4","3","6","2","1","4","1") = "5"
    & skf21("3","4","3","6","2","1","5","1") = "5"
    & skf21("3","4","3","6","2","1","6","1") = "5"
    & skf21("3","4","3","6","2","1","7","1") = "6"
    & skf21("3","4","3","6","2","2","1","1") = "5"
    & skf21("3","4","3","6","2","2","2","1") = "5"
    & skf21("3","4","3","6","2","2","3","1") = "5"
    & skf21("3","4","3","6","2","2","4","1") = "5"
    & skf21("3","4","3","6","2","2","5","1") = "5"
    & skf21("3","4","3","6","2","2","6","1") = "5"
    & skf21("3","4","3","6","2","2","7","1") = "6"
    & skf21("3","4","3","6","2","3","1","1") = "5"
    & skf21("3","4","3","6","2","3","2","1") = "5"
    & skf21("3","4","3","6","2","3","3","1") = "5"
    & skf21("3","4","3","6","2","3","4","1") = "5"
    & skf21("3","4","3","6","2","3","5","1") = "5"
    & skf21("3","4","3","6","2","3","6","1") = "5"
    & skf21("3","4","3","6","2","3","7","1") = "6"
    & skf21("3","4","3","6","2","4","1","1") = "5"
    & skf21("3","4","3","6","2","4","2","1") = "5"
    & skf21("3","4","3","6","2","4","3","1") = "5"
    & skf21("3","4","3","6","2","4","4","1") = "5"
    & skf21("3","4","3","6","2","4","5","1") = "5"
    & skf21("3","4","3","6","2","4","6","1") = "5"
    & skf21("3","4","3","6","2","4","7","1") = "6"
    & skf21("3","4","3","6","2","5","1","1") = "5"
    & skf21("3","4","3","6","2","5","2","1") = "5"
    & skf21("3","4","3","6","2","5","3","1") = "5"
    & skf21("3","4","3","6","2","5","4","1") = "5"
    & skf21("3","4","3","6","2","5","5","1") = "5"
    & skf21("3","4","3","6","2","5","6","1") = "5"
    & skf21("3","4","3","6","2","5","7","1") = "6"
    & skf21("3","4","3","6","2","6","1","1") = "5"
    & skf21("3","4","3","6","2","6","2","1") = "5"
    & skf21("3","4","3","6","2","6","3","1") = "5"
    & skf21("3","4","3","6","2","6","4","1") = "5"
    & skf21("3","4","3","6","2","6","5","1") = "5"
    & skf21("3","4","3","6","2","6","6","1") = "5"
    & skf21("3","4","3","6","2","6","7","1") = "6"
    & skf21("3","4","3","6","2","7","1","1") = "6"
    & skf21("3","4","3","6","2","7","2","1") = "6"
    & skf21("3","4","3","6","2","7","3","1") = "6"
    & skf21("3","4","3","6","2","7","4","1") = "6"
    & skf21("3","4","3","6","2","7","5","1") = "6"
    & skf21("3","4","3","6","2","7","6","1") = "6"
    & skf21("3","4","3","6","2","7","7","1") = "6"
    & skf21("3","4","3","6","3","1","1","1") = "5"
    & skf21("3","4","3","6","3","1","2","1") = "5"
    & skf21("3","4","3","6","3","1","3","1") = "5"
    & skf21("3","4","3","6","3","1","4","1") = "5"
    & skf21("3","4","3","6","3","1","5","1") = "5"
    & skf21("3","4","3","6","3","1","6","1") = "5"
    & skf21("3","4","3","6","3","1","7","1") = "6"
    & skf21("3","4","3","6","3","2","1","1") = "5"
    & skf21("3","4","3","6","3","2","2","1") = "5"
    & skf21("3","4","3","6","3","2","3","1") = "5"
    & skf21("3","4","3","6","3","2","4","1") = "5"
    & skf21("3","4","3","6","3","2","5","1") = "5"
    & skf21("3","4","3","6","3","2","6","1") = "5"
    & skf21("3","4","3","6","3","2","7","1") = "6"
    & skf21("3","4","3","6","3","3","1","1") = "5"
    & skf21("3","4","3","6","3","3","2","1") = "5"
    & skf21("3","4","3","6","3","3","3","1") = "5"
    & skf21("3","4","3","6","3","3","4","1") = "5"
    & skf21("3","4","3","6","3","3","5","1") = "5"
    & skf21("3","4","3","6","3","3","6","1") = "5"
    & skf21("3","4","3","6","3","3","7","1") = "6"
    & skf21("3","4","3","6","3","4","1","1") = "5"
    & skf21("3","4","3","6","3","4","2","1") = "5"
    & skf21("3","4","3","6","3","4","3","1") = "5"
    & skf21("3","4","3","6","3","4","4","1") = "5"
    & skf21("3","4","3","6","3","4","5","1") = "5"
    & skf21("3","4","3","6","3","4","6","1") = "5"
    & skf21("3","4","3","6","3","4","7","1") = "6"
    & skf21("3","4","3","6","3","5","1","1") = "5"
    & skf21("3","4","3","6","3","5","2","1") = "5"
    & skf21("3","4","3","6","3","5","3","1") = "5"
    & skf21("3","4","3","6","3","5","4","1") = "5"
    & skf21("3","4","3","6","3","5","5","1") = "5"
    & skf21("3","4","3","6","3","5","6","1") = "5"
    & skf21("3","4","3","6","3","5","7","1") = "6"
    & skf21("3","4","3","6","3","6","1","1") = "5"
    & skf21("3","4","3","6","3","6","2","1") = "5"
    & skf21("3","4","3","6","3","6","3","1") = "5"
    & skf21("3","4","3","6","3","6","4","1") = "5"
    & skf21("3","4","3","6","3","6","5","1") = "5"
    & skf21("3","4","3","6","3","6","6","1") = "5"
    & skf21("3","4","3","6","3","6","7","1") = "6"
    & skf21("3","4","3","6","3","7","1","1") = "6"
    & skf21("3","4","3","6","3","7","2","1") = "6"
    & skf21("3","4","3","6","3","7","3","1") = "6"
    & skf21("3","4","3","6","3","7","4","1") = "6"
    & skf21("3","4","3","6","3","7","5","1") = "6"
    & skf21("3","4","3","6","3","7","6","1") = "6"
    & skf21("3","4","3","6","3","7","7","1") = "6"
    & skf21("3","4","3","6","4","1","1","1") = "5"
    & skf21("3","4","3","6","4","1","2","1") = "5"
    & skf21("3","4","3","6","4","1","3","1") = "5"
    & skf21("3","4","3","6","4","1","4","1") = "5"
    & skf21("3","4","3","6","4","1","5","1") = "5"
    & skf21("3","4","3","6","4","1","6","1") = "5"
    & skf21("3","4","3","6","4","1","7","1") = "6"
    & skf21("3","4","3","6","4","2","1","1") = "5"
    & skf21("3","4","3","6","4","2","2","1") = "5"
    & skf21("3","4","3","6","4","2","3","1") = "5"
    & skf21("3","4","3","6","4","2","4","1") = "5"
    & skf21("3","4","3","6","4","2","5","1") = "5"
    & skf21("3","4","3","6","4","2","6","1") = "5"
    & skf21("3","4","3","6","4","2","7","1") = "6"
    & skf21("3","4","3","6","4","3","1","1") = "5"
    & skf21("3","4","3","6","4","3","2","1") = "5"
    & skf21("3","4","3","6","4","3","3","1") = "5"
    & skf21("3","4","3","6","4","3","4","1") = "5"
    & skf21("3","4","3","6","4","3","5","1") = "5"
    & skf21("3","4","3","6","4","3","6","1") = "5"
    & skf21("3","4","3","6","4","3","7","1") = "6"
    & skf21("3","4","3","6","4","4","1","1") = "5"
    & skf21("3","4","3","6","4","4","2","1") = "5"
    & skf21("3","4","3","6","4","4","3","1") = "5"
    & skf21("3","4","3","6","4","4","4","1") = "5"
    & skf21("3","4","3","6","4","4","5","1") = "5"
    & skf21("3","4","3","6","4","4","6","1") = "5"
    & skf21("3","4","3","6","4","4","7","1") = "6"
    & skf21("3","4","3","6","4","5","1","1") = "5"
    & skf21("3","4","3","6","4","5","2","1") = "5"
    & skf21("3","4","3","6","4","5","3","1") = "5"
    & skf21("3","4","3","6","4","5","4","1") = "5"
    & skf21("3","4","3","6","4","5","5","1") = "5"
    & skf21("3","4","3","6","4","5","6","1") = "5"
    & skf21("3","4","3","6","4","5","7","1") = "6"
    & skf21("3","4","3","6","4","6","1","1") = "5"
    & skf21("3","4","3","6","4","6","2","1") = "5"
    & skf21("3","4","3","6","4","6","3","1") = "5"
    & skf21("3","4","3","6","4","6","4","1") = "5"
    & skf21("3","4","3","6","4","6","5","1") = "5"
    & skf21("3","4","3","6","4","6","6","1") = "5"
    & skf21("3","4","3","6","4","6","7","1") = "6"
    & skf21("3","4","3","6","4","7","1","1") = "6"
    & skf21("3","4","3","6","4","7","2","1") = "6"
    & skf21("3","4","3","6","4","7","3","1") = "6"
    & skf21("3","4","3","6","4","7","4","1") = "6"
    & skf21("3","4","3","6","4","7","5","1") = "6"
    & skf21("3","4","3","6","4","7","6","1") = "6"
    & skf21("3","4","3","6","4","7","7","1") = "6"
    & skf21("3","4","3","6","5","1","1","1") = "5"
    & skf21("3","4","3","6","5","1","2","1") = "5"
    & skf21("3","4","3","6","5","1","3","1") = "5"
    & skf21("3","4","3","6","5","1","4","1") = "5"
    & skf21("3","4","3","6","5","1","5","1") = "5"
    & skf21("3","4","3","6","5","1","6","1") = "5"
    & skf21("3","4","3","6","5","1","7","1") = "6"
    & skf21("3","4","3","6","5","2","1","1") = "5"
    & skf21("3","4","3","6","5","2","2","1") = "5"
    & skf21("3","4","3","6","5","2","3","1") = "5"
    & skf21("3","4","3","6","5","2","4","1") = "5"
    & skf21("3","4","3","6","5","2","5","1") = "5"
    & skf21("3","4","3","6","5","2","6","1") = "5"
    & skf21("3","4","3","6","5","2","7","1") = "6"
    & skf21("3","4","3","6","5","3","1","1") = "5"
    & skf21("3","4","3","6","5","3","2","1") = "5"
    & skf21("3","4","3","6","5","3","3","1") = "5"
    & skf21("3","4","3","6","5","3","4","1") = "5"
    & skf21("3","4","3","6","5","3","5","1") = "5"
    & skf21("3","4","3","6","5","3","6","1") = "5"
    & skf21("3","4","3","6","5","3","7","1") = "6"
    & skf21("3","4","3","6","5","4","1","1") = "5"
    & skf21("3","4","3","6","5","4","2","1") = "5"
    & skf21("3","4","3","6","5","4","3","1") = "5"
    & skf21("3","4","3","6","5","4","4","1") = "5"
    & skf21("3","4","3","6","5","4","5","1") = "5"
    & skf21("3","4","3","6","5","4","6","1") = "5"
    & skf21("3","4","3","6","5","4","7","1") = "6"
    & skf21("3","4","3","6","5","5","1","1") = "5"
    & skf21("3","4","3","6","5","5","2","1") = "5"
    & skf21("3","4","3","6","5","5","3","1") = "5"
    & skf21("3","4","3","6","5","5","4","1") = "5"
    & skf21("3","4","3","6","5","5","5","1") = "5"
    & skf21("3","4","3","6","5","5","6","1") = "5"
    & skf21("3","4","3","6","5","5","7","1") = "6"
    & skf21("3","4","3","6","5","6","1","1") = "5"
    & skf21("3","4","3","6","5","6","2","1") = "5"
    & skf21("3","4","3","6","5","6","3","1") = "5"
    & skf21("3","4","3","6","5","6","4","1") = "5"
    & skf21("3","4","3","6","5","6","5","1") = "5"
    & skf21("3","4","3","6","5","6","6","1") = "5"
    & skf21("3","4","3","6","5","6","7","1") = "6"
    & skf21("3","4","3","6","5","7","1","1") = "6"
    & skf21("3","4","3","6","5","7","2","1") = "6"
    & skf21("3","4","3","6","5","7","3","1") = "6"
    & skf21("3","4","3","6","5","7","4","1") = "6"
    & skf21("3","4","3","6","5","7","5","1") = "6"
    & skf21("3","4","3","6","5","7","6","1") = "6"
    & skf21("3","4","3","6","5","7","7","1") = "6"
    & skf21("3","4","3","6","6","1","1","1") = "5"
    & skf21("3","4","3","6","6","1","2","1") = "5"
    & skf21("3","4","3","6","6","1","3","1") = "5"
    & skf21("3","4","3","6","6","1","4","1") = "5"
    & skf21("3","4","3","6","6","1","5","1") = "5"
    & skf21("3","4","3","6","6","1","6","1") = "5"
    & skf21("3","4","3","6","6","1","7","1") = "6"
    & skf21("3","4","3","6","6","2","1","1") = "5"
    & skf21("3","4","3","6","6","2","2","1") = "5"
    & skf21("3","4","3","6","6","2","3","1") = "5"
    & skf21("3","4","3","6","6","2","4","1") = "5"
    & skf21("3","4","3","6","6","2","5","1") = "5"
    & skf21("3","4","3","6","6","2","6","1") = "5"
    & skf21("3","4","3","6","6","2","7","1") = "6"
    & skf21("3","4","3","6","6","3","1","1") = "5"
    & skf21("3","4","3","6","6","3","2","1") = "5"
    & skf21("3","4","3","6","6","3","3","1") = "5"
    & skf21("3","4","3","6","6","3","4","1") = "5"
    & skf21("3","4","3","6","6","3","5","1") = "5"
    & skf21("3","4","3","6","6","3","6","1") = "5"
    & skf21("3","4","3","6","6","3","7","1") = "6"
    & skf21("3","4","3","6","6","4","1","1") = "5"
    & skf21("3","4","3","6","6","4","2","1") = "5"
    & skf21("3","4","3","6","6","4","3","1") = "5"
    & skf21("3","4","3","6","6","4","4","1") = "5"
    & skf21("3","4","3","6","6","4","5","1") = "5"
    & skf21("3","4","3","6","6","4","6","1") = "5"
    & skf21("3","4","3","6","6","4","7","1") = "6"
    & skf21("3","4","3","6","6","5","1","1") = "5"
    & skf21("3","4","3","6","6","5","2","1") = "5"
    & skf21("3","4","3","6","6","5","3","1") = "5"
    & skf21("3","4","3","6","6","5","4","1") = "5"
    & skf21("3","4","3","6","6","5","5","1") = "5"
    & skf21("3","4","3","6","6","5","6","1") = "5"
    & skf21("3","4","3","6","6","5","7","1") = "6"
    & skf21("3","4","3","6","6","6","1","1") = "5"
    & skf21("3","4","3","6","6","6","2","1") = "5"
    & skf21("3","4","3","6","6","6","3","1") = "5"
    & skf21("3","4","3","6","6","6","4","1") = "5"
    & skf21("3","4","3","6","6","6","5","1") = "5"
    & skf21("3","4","3","6","6","6","6","1") = "5"
    & skf21("3","4","3","6","6","6","7","1") = "6"
    & skf21("3","4","3","6","6","7","1","1") = "6"
    & skf21("3","4","3","6","6","7","2","1") = "6"
    & skf21("3","4","3","6","6","7","3","1") = "6"
    & skf21("3","4","3","6","6","7","4","1") = "6"
    & skf21("3","4","3","6","6","7","5","1") = "6"
    & skf21("3","4","3","6","6","7","6","1") = "6"
    & skf21("3","4","3","6","6","7","7","1") = "6"
    & skf21("3","4","3","6","7","1","1","1") = "6"
    & skf21("3","4","3","6","7","1","2","1") = "6"
    & skf21("3","4","3","6","7","1","3","1") = "6"
    & skf21("3","4","3","6","7","1","4","1") = "6"
    & skf21("3","4","3","6","7","1","5","1") = "6"
    & skf21("3","4","3","6","7","1","6","1") = "6"
    & skf21("3","4","3","6","7","1","7","1") = "6"
    & skf21("3","4","3","6","7","2","1","1") = "6"
    & skf21("3","4","3","6","7","2","2","1") = "6"
    & skf21("3","4","3","6","7","2","3","1") = "6"
    & skf21("3","4","3","6","7","2","4","1") = "6"
    & skf21("3","4","3","6","7","2","5","1") = "6"
    & skf21("3","4","3","6","7","2","6","1") = "6"
    & skf21("3","4","3","6","7","2","7","1") = "6"
    & skf21("3","4","3","6","7","3","1","1") = "6"
    & skf21("3","4","3","6","7","3","2","1") = "6"
    & skf21("3","4","3","6","7","3","3","1") = "6"
    & skf21("3","4","3","6","7","3","4","1") = "6"
    & skf21("3","4","3","6","7","3","5","1") = "6"
    & skf21("3","4","3","6","7","3","6","1") = "6"
    & skf21("3","4","3","6","7","3","7","1") = "6"
    & skf21("3","4","3","6","7","4","1","1") = "6"
    & skf21("3","4","3","6","7","4","2","1") = "6"
    & skf21("3","4","3","6","7","4","3","1") = "6"
    & skf21("3","4","3","6","7","4","4","1") = "6"
    & skf21("3","4","3","6","7","4","5","1") = "6"
    & skf21("3","4","3","6","7","4","6","1") = "6"
    & skf21("3","4","3","6","7","4","7","1") = "6"
    & skf21("3","4","3","6","7","5","1","1") = "6"
    & skf21("3","4","3","6","7","5","2","1") = "6"
    & skf21("3","4","3","6","7","5","3","1") = "6"
    & skf21("3","4","3","6","7","5","4","1") = "6"
    & skf21("3","4","3","6","7","5","5","1") = "6"
    & skf21("3","4","3","6","7","5","6","1") = "6"
    & skf21("3","4","3","6","7","5","7","1") = "6"
    & skf21("3","4","3","6","7","6","1","1") = "6"
    & skf21("3","4","3","6","7","6","2","1") = "6"
    & skf21("3","4","3","6","7","6","3","1") = "6"
    & skf21("3","4","3","6","7","6","4","1") = "6"
    & skf21("3","4","3","6","7","6","5","1") = "6"
    & skf21("3","4","3","6","7","6","6","1") = "6"
    & skf21("3","4","3","6","7","6","7","1") = "6"
    & skf21("3","4","3","6","7","7","1","1") = "6"
    & skf21("3","4","3","6","7","7","2","1") = "6"
    & skf21("3","4","3","6","7","7","3","1") = "6"
    & skf21("3","4","3","6","7","7","4","1") = "6"
    & skf21("3","4","3","6","7","7","5","1") = "6"
    & skf21("3","4","3","6","7","7","6","1") = "6"
    & skf21("3","4","3","6","7","7","7","1") = "6"
    & skf21("3","4","3","7","1","1","1","1") = "6"
    & skf21("3","4","3","7","1","1","2","1") = "6"
    & skf21("3","4","3","7","1","1","3","1") = "6"
    & skf21("3","4","3","7","1","1","4","1") = "6"
    & skf21("3","4","3","7","1","1","5","1") = "6"
    & skf21("3","4","3","7","1","1","6","1") = "6"
    & skf21("3","4","3","7","1","1","7","1") = "6"
    & skf21("3","4","3","7","1","2","1","1") = "6"
    & skf21("3","4","3","7","1","2","2","1") = "6"
    & skf21("3","4","3","7","1","2","3","1") = "6"
    & skf21("3","4","3","7","1","2","4","1") = "6"
    & skf21("3","4","3","7","1","2","5","1") = "6"
    & skf21("3","4","3","7","1","2","6","1") = "6"
    & skf21("3","4","3","7","1","2","7","1") = "6"
    & skf21("3","4","3","7","1","3","1","1") = "6"
    & skf21("3","4","3","7","1","3","2","1") = "6"
    & skf21("3","4","3","7","1","3","3","1") = "6"
    & skf21("3","4","3","7","1","3","4","1") = "6"
    & skf21("3","4","3","7","1","3","5","1") = "6"
    & skf21("3","4","3","7","1","3","6","1") = "6"
    & skf21("3","4","3","7","1","3","7","1") = "6"
    & skf21("3","4","3","7","1","4","1","1") = "6"
    & skf21("3","4","3","7","1","4","2","1") = "6"
    & skf21("3","4","3","7","1","4","3","1") = "6"
    & skf21("3","4","3","7","1","4","4","1") = "6"
    & skf21("3","4","3","7","1","4","5","1") = "6"
    & skf21("3","4","3","7","1","4","6","1") = "6"
    & skf21("3","4","3","7","1","4","7","1") = "6"
    & skf21("3","4","3","7","1","5","1","1") = "6"
    & skf21("3","4","3","7","1","5","2","1") = "6"
    & skf21("3","4","3","7","1","5","3","1") = "6"
    & skf21("3","4","3","7","1","5","4","1") = "6"
    & skf21("3","4","3","7","1","5","5","1") = "6"
    & skf21("3","4","3","7","1","5","6","1") = "6"
    & skf21("3","4","3","7","1","5","7","1") = "6"
    & skf21("3","4","3","7","1","6","1","1") = "6"
    & skf21("3","4","3","7","1","6","2","1") = "6"
    & skf21("3","4","3","7","1","6","3","1") = "6"
    & skf21("3","4","3","7","1","6","4","1") = "6"
    & skf21("3","4","3","7","1","6","5","1") = "6"
    & skf21("3","4","3","7","1","6","6","1") = "6"
    & skf21("3","4","3","7","1","6","7","1") = "6"
    & skf21("3","4","3","7","1","7","1","1") = "6"
    & skf21("3","4","3","7","1","7","2","1") = "6"
    & skf21("3","4","3","7","1","7","3","1") = "6"
    & skf21("3","4","3","7","1","7","4","1") = "6"
    & skf21("3","4","3","7","1","7","5","1") = "6"
    & skf21("3","4","3","7","1","7","6","1") = "6"
    & skf21("3","4","3","7","1","7","7","1") = "6"
    & skf21("3","4","3","7","2","1","1","1") = "6"
    & skf21("3","4","3","7","2","1","2","1") = "6"
    & skf21("3","4","3","7","2","1","3","1") = "6"
    & skf21("3","4","3","7","2","1","4","1") = "6"
    & skf21("3","4","3","7","2","1","5","1") = "6"
    & skf21("3","4","3","7","2","1","6","1") = "6"
    & skf21("3","4","3","7","2","1","7","1") = "6"
    & skf21("3","4","3","7","2","2","1","1") = "6"
    & skf21("3","4","3","7","2","2","2","1") = "6"
    & skf21("3","4","3","7","2","2","3","1") = "6"
    & skf21("3","4","3","7","2","2","4","1") = "6"
    & skf21("3","4","3","7","2","2","5","1") = "6"
    & skf21("3","4","3","7","2","2","6","1") = "6"
    & skf21("3","4","3","7","2","2","7","1") = "6"
    & skf21("3","4","3","7","2","3","1","1") = "6"
    & skf21("3","4","3","7","2","3","2","1") = "6"
    & skf21("3","4","3","7","2","3","3","1") = "6"
    & skf21("3","4","3","7","2","3","4","1") = "6"
    & skf21("3","4","3","7","2","3","5","1") = "6"
    & skf21("3","4","3","7","2","3","6","1") = "6"
    & skf21("3","4","3","7","2","3","7","1") = "6"
    & skf21("3","4","3","7","2","4","1","1") = "6"
    & skf21("3","4","3","7","2","4","2","1") = "6"
    & skf21("3","4","3","7","2","4","3","1") = "6"
    & skf21("3","4","3","7","2","4","4","1") = "6"
    & skf21("3","4","3","7","2","4","5","1") = "6"
    & skf21("3","4","3","7","2","4","6","1") = "6"
    & skf21("3","4","3","7","2","4","7","1") = "6"
    & skf21("3","4","3","7","2","5","1","1") = "6"
    & skf21("3","4","3","7","2","5","2","1") = "6"
    & skf21("3","4","3","7","2","5","3","1") = "6"
    & skf21("3","4","3","7","2","5","4","1") = "6"
    & skf21("3","4","3","7","2","5","5","1") = "6"
    & skf21("3","4","3","7","2","5","6","1") = "6"
    & skf21("3","4","3","7","2","5","7","1") = "6"
    & skf21("3","4","3","7","2","6","1","1") = "6"
    & skf21("3","4","3","7","2","6","2","1") = "6"
    & skf21("3","4","3","7","2","6","3","1") = "6"
    & skf21("3","4","3","7","2","6","4","1") = "6"
    & skf21("3","4","3","7","2","6","5","1") = "6"
    & skf21("3","4","3","7","2","6","6","1") = "6"
    & skf21("3","4","3","7","2","6","7","1") = "6"
    & skf21("3","4","3","7","2","7","1","1") = "6"
    & skf21("3","4","3","7","2","7","2","1") = "6"
    & skf21("3","4","3","7","2","7","3","1") = "6"
    & skf21("3","4","3","7","2","7","4","1") = "6"
    & skf21("3","4","3","7","2","7","5","1") = "6"
    & skf21("3","4","3","7","2","7","6","1") = "6"
    & skf21("3","4","3","7","2","7","7","1") = "6"
    & skf21("3","4","3","7","3","1","1","1") = "6"
    & skf21("3","4","3","7","3","1","2","1") = "6"
    & skf21("3","4","3","7","3","1","3","1") = "6"
    & skf21("3","4","3","7","3","1","4","1") = "6"
    & skf21("3","4","3","7","3","1","5","1") = "6"
    & skf21("3","4","3","7","3","1","6","1") = "6"
    & skf21("3","4","3","7","3","1","7","1") = "6"
    & skf21("3","4","3","7","3","2","1","1") = "6"
    & skf21("3","4","3","7","3","2","2","1") = "6"
    & skf21("3","4","3","7","3","2","3","1") = "6"
    & skf21("3","4","3","7","3","2","4","1") = "6"
    & skf21("3","4","3","7","3","2","5","1") = "6"
    & skf21("3","4","3","7","3","2","6","1") = "6"
    & skf21("3","4","3","7","3","2","7","1") = "6"
    & skf21("3","4","3","7","3","3","1","1") = "6"
    & skf21("3","4","3","7","3","3","2","1") = "6"
    & skf21("3","4","3","7","3","3","3","1") = "6"
    & skf21("3","4","3","7","3","3","4","1") = "6"
    & skf21("3","4","3","7","3","3","5","1") = "6"
    & skf21("3","4","3","7","3","3","6","1") = "6"
    & skf21("3","4","3","7","3","3","7","1") = "6"
    & skf21("3","4","3","7","3","4","1","1") = "6"
    & skf21("3","4","3","7","3","4","2","1") = "6"
    & skf21("3","4","3","7","3","4","3","1") = "6"
    & skf21("3","4","3","7","3","4","4","1") = "6"
    & skf21("3","4","3","7","3","4","5","1") = "6"
    & skf21("3","4","3","7","3","4","6","1") = "6"
    & skf21("3","4","3","7","3","4","7","1") = "6"
    & skf21("3","4","3","7","3","5","1","1") = "6"
    & skf21("3","4","3","7","3","5","2","1") = "6"
    & skf21("3","4","3","7","3","5","3","1") = "6"
    & skf21("3","4","3","7","3","5","4","1") = "6"
    & skf21("3","4","3","7","3","5","5","1") = "6"
    & skf21("3","4","3","7","3","5","6","1") = "6"
    & skf21("3","4","3","7","3","5","7","1") = "6"
    & skf21("3","4","3","7","3","6","1","1") = "6"
    & skf21("3","4","3","7","3","6","2","1") = "6"
    & skf21("3","4","3","7","3","6","3","1") = "6"
    & skf21("3","4","3","7","3","6","4","1") = "6"
    & skf21("3","4","3","7","3","6","5","1") = "6"
    & skf21("3","4","3","7","3","6","6","1") = "6"
    & skf21("3","4","3","7","3","6","7","1") = "6"
    & skf21("3","4","3","7","3","7","1","1") = "6"
    & skf21("3","4","3","7","3","7","2","1") = "6"
    & skf21("3","4","3","7","3","7","3","1") = "6"
    & skf21("3","4","3","7","3","7","4","1") = "6"
    & skf21("3","4","3","7","3","7","5","1") = "6"
    & skf21("3","4","3","7","3","7","6","1") = "6"
    & skf21("3","4","3","7","3","7","7","1") = "6"
    & skf21("3","4","3","7","4","1","1","1") = "6"
    & skf21("3","4","3","7","4","1","2","1") = "6"
    & skf21("3","4","3","7","4","1","3","1") = "6"
    & skf21("3","4","3","7","4","1","4","1") = "6"
    & skf21("3","4","3","7","4","1","5","1") = "6"
    & skf21("3","4","3","7","4","1","6","1") = "6"
    & skf21("3","4","3","7","4","1","7","1") = "6"
    & skf21("3","4","3","7","4","2","1","1") = "6"
    & skf21("3","4","3","7","4","2","2","1") = "6"
    & skf21("3","4","3","7","4","2","3","1") = "6"
    & skf21("3","4","3","7","4","2","4","1") = "6"
    & skf21("3","4","3","7","4","2","5","1") = "6"
    & skf21("3","4","3","7","4","2","6","1") = "6"
    & skf21("3","4","3","7","4","2","7","1") = "6"
    & skf21("3","4","3","7","4","3","1","1") = "6"
    & skf21("3","4","3","7","4","3","2","1") = "6"
    & skf21("3","4","3","7","4","3","3","1") = "6"
    & skf21("3","4","3","7","4","3","4","1") = "6"
    & skf21("3","4","3","7","4","3","5","1") = "6"
    & skf21("3","4","3","7","4","3","6","1") = "6"
    & skf21("3","4","3","7","4","3","7","1") = "6"
    & skf21("3","4","3","7","4","4","1","1") = "6"
    & skf21("3","4","3","7","4","4","2","1") = "6"
    & skf21("3","4","3","7","4","4","3","1") = "6"
    & skf21("3","4","3","7","4","4","4","1") = "6"
    & skf21("3","4","3","7","4","4","5","1") = "6"
    & skf21("3","4","3","7","4","4","6","1") = "6"
    & skf21("3","4","3","7","4","4","7","1") = "6"
    & skf21("3","4","3","7","4","5","1","1") = "6"
    & skf21("3","4","3","7","4","5","2","1") = "6"
    & skf21("3","4","3","7","4","5","3","1") = "6"
    & skf21("3","4","3","7","4","5","4","1") = "6"
    & skf21("3","4","3","7","4","5","5","1") = "6"
    & skf21("3","4","3","7","4","5","6","1") = "6"
    & skf21("3","4","3","7","4","5","7","1") = "6"
    & skf21("3","4","3","7","4","6","1","1") = "6"
    & skf21("3","4","3","7","4","6","2","1") = "6"
    & skf21("3","4","3","7","4","6","3","1") = "6"
    & skf21("3","4","3","7","4","6","4","1") = "6"
    & skf21("3","4","3","7","4","6","5","1") = "6"
    & skf21("3","4","3","7","4","6","6","1") = "6"
    & skf21("3","4","3","7","4","6","7","1") = "6"
    & skf21("3","4","3","7","4","7","1","1") = "6"
    & skf21("3","4","3","7","4","7","2","1") = "6"
    & skf21("3","4","3","7","4","7","3","1") = "6"
    & skf21("3","4","3","7","4","7","4","1") = "6"
    & skf21("3","4","3","7","4","7","5","1") = "6"
    & skf21("3","4","3","7","4","7","6","1") = "6"
    & skf21("3","4","3","7","4","7","7","1") = "6"
    & skf21("3","4","3","7","5","1","1","1") = "6"
    & skf21("3","4","3","7","5","1","2","1") = "6"
    & skf21("3","4","3","7","5","1","3","1") = "6"
    & skf21("3","4","3","7","5","1","4","1") = "6"
    & skf21("3","4","3","7","5","1","5","1") = "6"
    & skf21("3","4","3","7","5","1","6","1") = "6"
    & skf21("3","4","3","7","5","1","7","1") = "6"
    & skf21("3","4","3","7","5","2","1","1") = "6"
    & skf21("3","4","3","7","5","2","2","1") = "6"
    & skf21("3","4","3","7","5","2","3","1") = "6"
    & skf21("3","4","3","7","5","2","4","1") = "6"
    & skf21("3","4","3","7","5","2","5","1") = "6"
    & skf21("3","4","3","7","5","2","6","1") = "6"
    & skf21("3","4","3","7","5","2","7","1") = "6"
    & skf21("3","4","3","7","5","3","1","1") = "6"
    & skf21("3","4","3","7","5","3","2","1") = "6"
    & skf21("3","4","3","7","5","3","3","1") = "6"
    & skf21("3","4","3","7","5","3","4","1") = "6"
    & skf21("3","4","3","7","5","3","5","1") = "6"
    & skf21("3","4","3","7","5","3","6","1") = "6"
    & skf21("3","4","3","7","5","3","7","1") = "6"
    & skf21("3","4","3","7","5","4","1","1") = "6"
    & skf21("3","4","3","7","5","4","2","1") = "6"
    & skf21("3","4","3","7","5","4","3","1") = "6"
    & skf21("3","4","3","7","5","4","4","1") = "6"
    & skf21("3","4","3","7","5","4","5","1") = "6"
    & skf21("3","4","3","7","5","4","6","1") = "6"
    & skf21("3","4","3","7","5","4","7","1") = "6"
    & skf21("3","4","3","7","5","5","1","1") = "6"
    & skf21("3","4","3","7","5","5","2","1") = "6"
    & skf21("3","4","3","7","5","5","3","1") = "6"
    & skf21("3","4","3","7","5","5","4","1") = "6"
    & skf21("3","4","3","7","5","5","5","1") = "6"
    & skf21("3","4","3","7","5","5","6","1") = "6"
    & skf21("3","4","3","7","5","5","7","1") = "6"
    & skf21("3","4","3","7","5","6","1","1") = "6"
    & skf21("3","4","3","7","5","6","2","1") = "6"
    & skf21("3","4","3","7","5","6","3","1") = "6"
    & skf21("3","4","3","7","5","6","4","1") = "6"
    & skf21("3","4","3","7","5","6","5","1") = "6"
    & skf21("3","4","3","7","5","6","6","1") = "6"
    & skf21("3","4","3","7","5","6","7","1") = "6"
    & skf21("3","4","3","7","5","7","1","1") = "6"
    & skf21("3","4","3","7","5","7","2","1") = "6"
    & skf21("3","4","3","7","5","7","3","1") = "6"
    & skf21("3","4","3","7","5","7","4","1") = "6"
    & skf21("3","4","3","7","5","7","5","1") = "6"
    & skf21("3","4","3","7","5","7","6","1") = "6"
    & skf21("3","4","3","7","5","7","7","1") = "6"
    & skf21("3","4","3","7","6","1","1","1") = "6"
    & skf21("3","4","3","7","6","1","2","1") = "6"
    & skf21("3","4","3","7","6","1","3","1") = "6"
    & skf21("3","4","3","7","6","1","4","1") = "6"
    & skf21("3","4","3","7","6","1","5","1") = "6"
    & skf21("3","4","3","7","6","1","6","1") = "6"
    & skf21("3","4","3","7","6","1","7","1") = "6"
    & skf21("3","4","3","7","6","2","1","1") = "6"
    & skf21("3","4","3","7","6","2","2","1") = "6"
    & skf21("3","4","3","7","6","2","3","1") = "6"
    & skf21("3","4","3","7","6","2","4","1") = "6"
    & skf21("3","4","3","7","6","2","5","1") = "6"
    & skf21("3","4","3","7","6","2","6","1") = "6"
    & skf21("3","4","3","7","6","2","7","1") = "6"
    & skf21("3","4","3","7","6","3","1","1") = "6"
    & skf21("3","4","3","7","6","3","2","1") = "6"
    & skf21("3","4","3","7","6","3","3","1") = "6"
    & skf21("3","4","3","7","6","3","4","1") = "6"
    & skf21("3","4","3","7","6","3","5","1") = "6"
    & skf21("3","4","3","7","6","3","6","1") = "6"
    & skf21("3","4","3","7","6","3","7","1") = "6"
    & skf21("3","4","3","7","6","4","1","1") = "6"
    & skf21("3","4","3","7","6","4","2","1") = "6"
    & skf21("3","4","3","7","6","4","3","1") = "6"
    & skf21("3","4","3","7","6","4","4","1") = "6"
    & skf21("3","4","3","7","6","4","5","1") = "6"
    & skf21("3","4","3","7","6","4","6","1") = "6"
    & skf21("3","4","3","7","6","4","7","1") = "6"
    & skf21("3","4","3","7","6","5","1","1") = "6"
    & skf21("3","4","3","7","6","5","2","1") = "6"
    & skf21("3","4","3","7","6","5","3","1") = "6"
    & skf21("3","4","3","7","6","5","4","1") = "6"
    & skf21("3","4","3","7","6","5","5","1") = "6"
    & skf21("3","4","3","7","6","5","6","1") = "6"
    & skf21("3","4","3","7","6","5","7","1") = "6"
    & skf21("3","4","3","7","6","6","1","1") = "6"
    & skf21("3","4","3","7","6","6","2","1") = "6"
    & skf21("3","4","3","7","6","6","3","1") = "6"
    & skf21("3","4","3","7","6","6","4","1") = "6"
    & skf21("3","4","3","7","6","6","5","1") = "6"
    & skf21("3","4","3","7","6","6","6","1") = "6"
    & skf21("3","4","3","7","6","6","7","1") = "6"
    & skf21("3","4","3","7","6","7","1","1") = "6"
    & skf21("3","4","3","7","6","7","2","1") = "6"
    & skf21("3","4","3","7","6","7","3","1") = "6"
    & skf21("3","4","3","7","6","7","4","1") = "6"
    & skf21("3","4","3","7","6","7","5","1") = "6"
    & skf21("3","4","3","7","6","7","6","1") = "6"
    & skf21("3","4","3","7","6","7","7","1") = "6"
    & skf21("3","4","3","7","7","1","1","1") = "6"
    & skf21("3","4","3","7","7","1","2","1") = "6"
    & skf21("3","4","3","7","7","1","3","1") = "6"
    & skf21("3","4","3","7","7","1","4","1") = "6"
    & skf21("3","4","3","7","7","1","5","1") = "6"
    & skf21("3","4","3","7","7","1","6","1") = "6"
    & skf21("3","4","3","7","7","1","7","1") = "6"
    & skf21("3","4","3","7","7","2","1","1") = "6"
    & skf21("3","4","3","7","7","2","2","1") = "6"
    & skf21("3","4","3","7","7","2","3","1") = "6"
    & skf21("3","4","3","7","7","2","4","1") = "6"
    & skf21("3","4","3","7","7","2","5","1") = "6"
    & skf21("3","4","3","7","7","2","6","1") = "6"
    & skf21("3","4","3","7","7","2","7","1") = "6"
    & skf21("3","4","3","7","7","3","1","1") = "6"
    & skf21("3","4","3","7","7","3","2","1") = "6"
    & skf21("3","4","3","7","7","3","3","1") = "6"
    & skf21("3","4","3","7","7","3","4","1") = "6"
    & skf21("3","4","3","7","7","3","5","1") = "6"
    & skf21("3","4","3","7","7","3","6","1") = "6"
    & skf21("3","4","3","7","7","3","7","1") = "6"
    & skf21("3","4","3","7","7","4","1","1") = "6"
    & skf21("3","4","3","7","7","4","2","1") = "6"
    & skf21("3","4","3","7","7","4","3","1") = "6"
    & skf21("3","4","3","7","7","4","4","1") = "6"
    & skf21("3","4","3","7","7","4","5","1") = "6"
    & skf21("3","4","3","7","7","4","6","1") = "6"
    & skf21("3","4","3","7","7","4","7","1") = "6"
    & skf21("3","4","3","7","7","5","1","1") = "6"
    & skf21("3","4","3","7","7","5","2","1") = "6"
    & skf21("3","4","3","7","7","5","3","1") = "6"
    & skf21("3","4","3","7","7","5","4","1") = "6"
    & skf21("3","4","3","7","7","5","5","1") = "6"
    & skf21("3","4","3","7","7","5","6","1") = "6"
    & skf21("3","4","3","7","7","5","7","1") = "6"
    & skf21("3","4","3","7","7","6","1","1") = "6"
    & skf21("3","4","3","7","7","6","2","1") = "6"
    & skf21("3","4","3","7","7","6","3","1") = "6"
    & skf21("3","4","3","7","7","6","4","1") = "6"
    & skf21("3","4","3","7","7","6","5","1") = "6"
    & skf21("3","4","3","7","7","6","6","1") = "6"
    & skf21("3","4","3","7","7","6","7","1") = "6"
    & skf21("3","4","3","7","7","7","1","1") = "6"
    & skf21("3","4","3","7","7","7","2","1") = "6"
    & skf21("3","4","3","7","7","7","3","1") = "6"
    & skf21("3","4","3","7","7","7","4","1") = "6"
    & skf21("3","4","3","7","7","7","5","1") = "6"
    & skf21("3","4","3","7","7","7","6","1") = "6"
    & skf21("3","4","3","7","7","7","7","1") = "6"
    & skf21("3","4","4","1","1","1","1","1") = "3"
    & skf21("3","4","4","1","1","1","2","1") = "3"
    & skf21("3","4","4","1","1","1","3","1") = "3"
    & skf21("3","4","4","1","1","1","4","1") = "3"
    & skf21("3","4","4","1","1","1","5","1") = "4"
    & skf21("3","4","4","1","1","1","6","1") = "5"
    & skf21("3","4","4","1","1","1","7","1") = "6"
    & skf21("3","4","4","1","1","2","1","1") = "3"
    & skf21("3","4","4","1","1","2","2","1") = "3"
    & skf21("3","4","4","1","1","2","3","1") = "3"
    & skf21("3","4","4","1","1","2","4","1") = "3"
    & skf21("3","4","4","1","1","2","5","1") = "4"
    & skf21("3","4","4","1","1","2","6","1") = "5"
    & skf21("3","4","4","1","1","2","7","1") = "6"
    & skf21("3","4","4","1","1","3","1","1") = "3"
    & skf21("3","4","4","1","1","3","2","1") = "3"
    & skf21("3","4","4","1","1","3","3","1") = "3"
    & skf21("3","4","4","1","1","3","4","1") = "3"
    & skf21("3","4","4","1","1","3","5","1") = "4"
    & skf21("3","4","4","1","1","3","6","1") = "5"
    & skf21("3","4","4","1","1","3","7","1") = "6"
    & skf21("3","4","4","1","1","4","1","1") = "3"
    & skf21("3","4","4","1","1","4","2","1") = "3"
    & skf21("3","4","4","1","1","4","3","1") = "3"
    & skf21("3","4","4","1","1","4","4","1") = "3"
    & skf21("3","4","4","1","1","4","5","1") = "4"
    & skf21("3","4","4","1","1","4","6","1") = "5"
    & skf21("3","4","4","1","1","4","7","1") = "6"
    & skf21("3","4","4","1","1","5","1","1") = "4"
    & skf21("3","4","4","1","1","5","2","1") = "4"
    & skf21("3","4","4","1","1","5","3","1") = "4"
    & skf21("3","4","4","1","1","5","4","1") = "4"
    & skf21("3","4","4","1","1","5","5","1") = "4"
    & skf21("3","4","4","1","1","5","6","1") = "5"
    & skf21("3","4","4","1","1","5","7","1") = "6"
    & skf21("3","4","4","1","1","6","1","1") = "5"
    & skf21("3","4","4","1","1","6","2","1") = "5"
    & skf21("3","4","4","1","1","6","3","1") = "5"
    & skf21("3","4","4","1","1","6","4","1") = "5"
    & skf21("3","4","4","1","1","6","5","1") = "5"
    & skf21("3","4","4","1","1","6","6","1") = "5"
    & skf21("3","4","4","1","1","6","7","1") = "6"
    & skf21("3","4","4","1","1","7","1","1") = "6"
    & skf21("3","4","4","1","1","7","2","1") = "6"
    & skf21("3","4","4","1","1","7","3","1") = "6"
    & skf21("3","4","4","1","1","7","4","1") = "6"
    & skf21("3","4","4","1","1","7","5","1") = "6"
    & skf21("3","4","4","1","1","7","6","1") = "6"
    & skf21("3","4","4","1","1","7","7","1") = "6"
    & skf21("3","4","4","1","2","1","1","1") = "3"
    & skf21("3","4","4","1","2","1","2","1") = "3"
    & skf21("3","4","4","1","2","1","3","1") = "3"
    & skf21("3","4","4","1","2","1","4","1") = "3"
    & skf21("3","4","4","1","2","1","5","1") = "4"
    & skf21("3","4","4","1","2","1","6","1") = "5"
    & skf21("3","4","4","1","2","1","7","1") = "6"
    & skf21("3","4","4","1","2","2","1","1") = "3"
    & skf21("3","4","4","1","2","2","2","1") = "3"
    & skf21("3","4","4","1","2","2","3","1") = "3"
    & skf21("3","4","4","1","2","2","4","1") = "3"
    & skf21("3","4","4","1","2","2","5","1") = "4"
    & skf21("3","4","4","1","2","2","6","1") = "5"
    & skf21("3","4","4","1","2","2","7","1") = "6"
    & skf21("3","4","4","1","2","3","1","1") = "3"
    & skf21("3","4","4","1","2","3","2","1") = "3"
    & skf21("3","4","4","1","2","3","3","1") = "3"
    & skf21("3","4","4","1","2","3","4","1") = "3"
    & skf21("3","4","4","1","2","3","5","1") = "4"
    & skf21("3","4","4","1","2","3","6","1") = "5"
    & skf21("3","4","4","1","2","3","7","1") = "6"
    & skf21("3","4","4","1","2","4","1","1") = "3"
    & skf21("3","4","4","1","2","4","2","1") = "3"
    & skf21("3","4","4","1","2","4","3","1") = "3"
    & skf21("3","4","4","1","2","4","4","1") = "3"
    & skf21("3","4","4","1","2","4","5","1") = "4"
    & skf21("3","4","4","1","2","4","6","1") = "5"
    & skf21("3","4","4","1","2","4","7","1") = "6"
    & skf21("3","4","4","1","2","5","1","1") = "4"
    & skf21("3","4","4","1","2","5","2","1") = "4"
    & skf21("3","4","4","1","2","5","3","1") = "4"
    & skf21("3","4","4","1","2","5","4","1") = "4"
    & skf21("3","4","4","1","2","5","5","1") = "4"
    & skf21("3","4","4","1","2","5","6","1") = "5"
    & skf21("3","4","4","1","2","5","7","1") = "6"
    & skf21("3","4","4","1","2","6","1","1") = "5"
    & skf21("3","4","4","1","2","6","2","1") = "5"
    & skf21("3","4","4","1","2","6","3","1") = "5"
    & skf21("3","4","4","1","2","6","4","1") = "5"
    & skf21("3","4","4","1","2","6","5","1") = "5"
    & skf21("3","4","4","1","2","6","6","1") = "5"
    & skf21("3","4","4","1","2","6","7","1") = "6"
    & skf21("3","4","4","1","2","7","1","1") = "6"
    & skf21("3","4","4","1","2","7","2","1") = "6"
    & skf21("3","4","4","1","2","7","3","1") = "6"
    & skf21("3","4","4","1","2","7","4","1") = "6"
    & skf21("3","4","4","1","2","7","5","1") = "6"
    & skf21("3","4","4","1","2","7","6","1") = "6"
    & skf21("3","4","4","1","2","7","7","1") = "6"
    & skf21("3","4","4","1","3","1","1","1") = "3"
    & skf21("3","4","4","1","3","1","2","1") = "3"
    & skf21("3","4","4","1","3","1","3","1") = "3"
    & skf21("3","4","4","1","3","1","4","1") = "3"
    & skf21("3","4","4","1","3","1","5","1") = "4"
    & skf21("3","4","4","1","3","1","6","1") = "5"
    & skf21("3","4","4","1","3","1","7","1") = "6"
    & skf21("3","4","4","1","3","2","1","1") = "3"
    & skf21("3","4","4","1","3","2","2","1") = "3"
    & skf21("3","4","4","1","3","2","3","1") = "3"
    & skf21("3","4","4","1","3","2","4","1") = "3"
    & skf21("3","4","4","1","3","2","5","1") = "4"
    & skf21("3","4","4","1","3","2","6","1") = "5"
    & skf21("3","4","4","1","3","2","7","1") = "6"
    & skf21("3","4","4","1","3","3","1","1") = "3"
    & skf21("3","4","4","1","3","3","2","1") = "3"
    & skf21("3","4","4","1","3","3","3","1") = "3"
    & skf21("3","4","4","1","3","3","4","1") = "3"
    & skf21("3","4","4","1","3","3","5","1") = "4"
    & skf21("3","4","4","1","3","3","6","1") = "5"
    & skf21("3","4","4","1","3","3","7","1") = "6"
    & skf21("3","4","4","1","3","4","1","1") = "3"
    & skf21("3","4","4","1","3","4","2","1") = "3"
    & skf21("3","4","4","1","3","4","3","1") = "3"
    & skf21("3","4","4","1","3","4","4","1") = "3"
    & skf21("3","4","4","1","3","4","5","1") = "4"
    & skf21("3","4","4","1","3","4","6","1") = "5"
    & skf21("3","4","4","1","3","4","7","1") = "6"
    & skf21("3","4","4","1","3","5","1","1") = "4"
    & skf21("3","4","4","1","3","5","2","1") = "4"
    & skf21("3","4","4","1","3","5","3","1") = "4"
    & skf21("3","4","4","1","3","5","4","1") = "4"
    & skf21("3","4","4","1","3","5","5","1") = "4"
    & skf21("3","4","4","1","3","5","6","1") = "5"
    & skf21("3","4","4","1","3","5","7","1") = "6"
    & skf21("3","4","4","1","3","6","1","1") = "5"
    & skf21("3","4","4","1","3","6","2","1") = "5"
    & skf21("3","4","4","1","3","6","3","1") = "5"
    & skf21("3","4","4","1","3","6","4","1") = "5"
    & skf21("3","4","4","1","3","6","5","1") = "5"
    & skf21("3","4","4","1","3","6","6","1") = "5"
    & skf21("3","4","4","1","3","6","7","1") = "6"
    & skf21("3","4","4","1","3","7","1","1") = "6"
    & skf21("3","4","4","1","3","7","2","1") = "6"
    & skf21("3","4","4","1","3","7","3","1") = "6"
    & skf21("3","4","4","1","3","7","4","1") = "6"
    & skf21("3","4","4","1","3","7","5","1") = "6"
    & skf21("3","4","4","1","3","7","6","1") = "6"
    & skf21("3","4","4","1","3","7","7","1") = "6"
    & skf21("3","4","4","1","4","1","1","1") = "3"
    & skf21("3","4","4","1","4","1","2","1") = "3"
    & skf21("3","4","4","1","4","1","3","1") = "3"
    & skf21("3","4","4","1","4","1","4","1") = "3"
    & skf21("3","4","4","1","4","1","5","1") = "4"
    & skf21("3","4","4","1","4","1","6","1") = "5"
    & skf21("3","4","4","1","4","1","7","1") = "6"
    & skf21("3","4","4","1","4","2","1","1") = "3"
    & skf21("3","4","4","1","4","2","2","1") = "3"
    & skf21("3","4","4","1","4","2","3","1") = "3"
    & skf21("3","4","4","1","4","2","4","1") = "3"
    & skf21("3","4","4","1","4","2","5","1") = "4"
    & skf21("3","4","4","1","4","2","6","1") = "5"
    & skf21("3","4","4","1","4","2","7","1") = "6"
    & skf21("3","4","4","1","4","3","1","1") = "3"
    & skf21("3","4","4","1","4","3","2","1") = "3"
    & skf21("3","4","4","1","4","3","3","1") = "3"
    & skf21("3","4","4","1","4","3","4","1") = "3"
    & skf21("3","4","4","1","4","3","5","1") = "4"
    & skf21("3","4","4","1","4","3","6","1") = "5"
    & skf21("3","4","4","1","4","3","7","1") = "6"
    & skf21("3","4","4","1","4","4","1","1") = "3"
    & skf21("3","4","4","1","4","4","2","1") = "3"
    & skf21("3","4","4","1","4","4","3","1") = "3"
    & skf21("3","4","4","1","4","4","4","1") = "3"
    & skf21("3","4","4","1","4","4","5","1") = "4"
    & skf21("3","4","4","1","4","4","6","1") = "5"
    & skf21("3","4","4","1","4","4","7","1") = "6"
    & skf21("3","4","4","1","4","5","1","1") = "4"
    & skf21("3","4","4","1","4","5","2","1") = "4"
    & skf21("3","4","4","1","4","5","3","1") = "4"
    & skf21("3","4","4","1","4","5","4","1") = "4"
    & skf21("3","4","4","1","4","5","5","1") = "4"
    & skf21("3","4","4","1","4","5","6","1") = "5"
    & skf21("3","4","4","1","4","5","7","1") = "6"
    & skf21("3","4","4","1","4","6","1","1") = "5"
    & skf21("3","4","4","1","4","6","2","1") = "5"
    & skf21("3","4","4","1","4","6","3","1") = "5"
    & skf21("3","4","4","1","4","6","4","1") = "5"
    & skf21("3","4","4","1","4","6","5","1") = "5"
    & skf21("3","4","4","1","4","6","6","1") = "5"
    & skf21("3","4","4","1","4","6","7","1") = "6"
    & skf21("3","4","4","1","4","7","1","1") = "6"
    & skf21("3","4","4","1","4","7","2","1") = "6"
    & skf21("3","4","4","1","4","7","3","1") = "6"
    & skf21("3","4","4","1","4","7","4","1") = "6"
    & skf21("3","4","4","1","4","7","5","1") = "6"
    & skf21("3","4","4","1","4","7","6","1") = "6"
    & skf21("3","4","4","1","4","7","7","1") = "6"
    & skf21("3","4","4","1","5","1","1","1") = "4"
    & skf21("3","4","4","1","5","1","2","1") = "4"
    & skf21("3","4","4","1","5","1","3","1") = "4"
    & skf21("3","4","4","1","5","1","4","1") = "4"
    & skf21("3","4","4","1","5","1","5","1") = "4"
    & skf21("3","4","4","1","5","1","6","1") = "5"
    & skf21("3","4","4","1","5","1","7","1") = "6"
    & skf21("3","4","4","1","5","2","1","1") = "4"
    & skf21("3","4","4","1","5","2","2","1") = "4"
    & skf21("3","4","4","1","5","2","3","1") = "4"
    & skf21("3","4","4","1","5","2","4","1") = "4"
    & skf21("3","4","4","1","5","2","5","1") = "4"
    & skf21("3","4","4","1","5","2","6","1") = "5"
    & skf21("3","4","4","1","5","2","7","1") = "6"
    & skf21("3","4","4","1","5","3","1","1") = "4"
    & skf21("3","4","4","1","5","3","2","1") = "4"
    & skf21("3","4","4","1","5","3","3","1") = "4"
    & skf21("3","4","4","1","5","3","4","1") = "4"
    & skf21("3","4","4","1","5","3","5","1") = "4"
    & skf21("3","4","4","1","5","3","6","1") = "5"
    & skf21("3","4","4","1","5","3","7","1") = "6"
    & skf21("3","4","4","1","5","4","1","1") = "4"
    & skf21("3","4","4","1","5","4","2","1") = "4"
    & skf21("3","4","4","1","5","4","3","1") = "4"
    & skf21("3","4","4","1","5","4","4","1") = "4"
    & skf21("3","4","4","1","5","4","5","1") = "4"
    & skf21("3","4","4","1","5","4","6","1") = "5"
    & skf21("3","4","4","1","5","4","7","1") = "6"
    & skf21("3","4","4","1","5","5","1","1") = "4"
    & skf21("3","4","4","1","5","5","2","1") = "4"
    & skf21("3","4","4","1","5","5","3","1") = "4"
    & skf21("3","4","4","1","5","5","4","1") = "4"
    & skf21("3","4","4","1","5","5","5","1") = "4"
    & skf21("3","4","4","1","5","5","6","1") = "5"
    & skf21("3","4","4","1","5","5","7","1") = "6"
    & skf21("3","4","4","1","5","6","1","1") = "5"
    & skf21("3","4","4","1","5","6","2","1") = "5"
    & skf21("3","4","4","1","5","6","3","1") = "5"
    & skf21("3","4","4","1","5","6","4","1") = "5"
    & skf21("3","4","4","1","5","6","5","1") = "5"
    & skf21("3","4","4","1","5","6","6","1") = "5"
    & skf21("3","4","4","1","5","6","7","1") = "6"
    & skf21("3","4","4","1","5","7","1","1") = "6"
    & skf21("3","4","4","1","5","7","2","1") = "6"
    & skf21("3","4","4","1","5","7","3","1") = "6"
    & skf21("3","4","4","1","5","7","4","1") = "6"
    & skf21("3","4","4","1","5","7","5","1") = "6"
    & skf21("3","4","4","1","5","7","6","1") = "6"
    & skf21("3","4","4","1","5","7","7","1") = "6"
    & skf21("3","4","4","1","6","1","1","1") = "5"
    & skf21("3","4","4","1","6","1","2","1") = "5"
    & skf21("3","4","4","1","6","1","3","1") = "5"
    & skf21("3","4","4","1","6","1","4","1") = "5"
    & skf21("3","4","4","1","6","1","5","1") = "5"
    & skf21("3","4","4","1","6","1","6","1") = "5"
    & skf21("3","4","4","1","6","1","7","1") = "6"
    & skf21("3","4","4","1","6","2","1","1") = "5"
    & skf21("3","4","4","1","6","2","2","1") = "5"
    & skf21("3","4","4","1","6","2","3","1") = "5"
    & skf21("3","4","4","1","6","2","4","1") = "5"
    & skf21("3","4","4","1","6","2","5","1") = "5"
    & skf21("3","4","4","1","6","2","6","1") = "5"
    & skf21("3","4","4","1","6","2","7","1") = "6"
    & skf21("3","4","4","1","6","3","1","1") = "5"
    & skf21("3","4","4","1","6","3","2","1") = "5"
    & skf21("3","4","4","1","6","3","3","1") = "5"
    & skf21("3","4","4","1","6","3","4","1") = "5"
    & skf21("3","4","4","1","6","3","5","1") = "5"
    & skf21("3","4","4","1","6","3","6","1") = "5"
    & skf21("3","4","4","1","6","3","7","1") = "6"
    & skf21("3","4","4","1","6","4","1","1") = "5"
    & skf21("3","4","4","1","6","4","2","1") = "5"
    & skf21("3","4","4","1","6","4","3","1") = "5"
    & skf21("3","4","4","1","6","4","4","1") = "5"
    & skf21("3","4","4","1","6","4","5","1") = "5"
    & skf21("3","4","4","1","6","4","6","1") = "5"
    & skf21("3","4","4","1","6","4","7","1") = "6"
    & skf21("3","4","4","1","6","5","1","1") = "5"
    & skf21("3","4","4","1","6","5","2","1") = "5"
    & skf21("3","4","4","1","6","5","3","1") = "5"
    & skf21("3","4","4","1","6","5","4","1") = "5"
    & skf21("3","4","4","1","6","5","5","1") = "5"
    & skf21("3","4","4","1","6","5","6","1") = "5"
    & skf21("3","4","4","1","6","5","7","1") = "6"
    & skf21("3","4","4","1","6","6","1","1") = "5"
    & skf21("3","4","4","1","6","6","2","1") = "5"
    & skf21("3","4","4","1","6","6","3","1") = "5"
    & skf21("3","4","4","1","6","6","4","1") = "5"
    & skf21("3","4","4","1","6","6","5","1") = "5"
    & skf21("3","4","4","1","6","6","6","1") = "5"
    & skf21("3","4","4","1","6","6","7","1") = "6"
    & skf21("3","4","4","1","6","7","1","1") = "6"
    & skf21("3","4","4","1","6","7","2","1") = "6"
    & skf21("3","4","4","1","6","7","3","1") = "6"
    & skf21("3","4","4","1","6","7","4","1") = "6"
    & skf21("3","4","4","1","6","7","5","1") = "6"
    & skf21("3","4","4","1","6","7","6","1") = "6"
    & skf21("3","4","4","1","6","7","7","1") = "6"
    & skf21("3","4","4","1","7","1","1","1") = "6"
    & skf21("3","4","4","1","7","1","2","1") = "6"
    & skf21("3","4","4","1","7","1","3","1") = "6"
    & skf21("3","4","4","1","7","1","4","1") = "6"
    & skf21("3","4","4","1","7","1","5","1") = "6"
    & skf21("3","4","4","1","7","1","6","1") = "6"
    & skf21("3","4","4","1","7","1","7","1") = "6"
    & skf21("3","4","4","1","7","2","1","1") = "6"
    & skf21("3","4","4","1","7","2","2","1") = "6"
    & skf21("3","4","4","1","7","2","3","1") = "6"
    & skf21("3","4","4","1","7","2","4","1") = "6"
    & skf21("3","4","4","1","7","2","5","1") = "6"
    & skf21("3","4","4","1","7","2","6","1") = "6"
    & skf21("3","4","4","1","7","2","7","1") = "6"
    & skf21("3","4","4","1","7","3","1","1") = "6"
    & skf21("3","4","4","1","7","3","2","1") = "6"
    & skf21("3","4","4","1","7","3","3","1") = "6"
    & skf21("3","4","4","1","7","3","4","1") = "6"
    & skf21("3","4","4","1","7","3","5","1") = "6"
    & skf21("3","4","4","1","7","3","6","1") = "6"
    & skf21("3","4","4","1","7","3","7","1") = "6"
    & skf21("3","4","4","1","7","4","1","1") = "6"
    & skf21("3","4","4","1","7","4","2","1") = "6"
    & skf21("3","4","4","1","7","4","3","1") = "6"
    & skf21("3","4","4","1","7","4","4","1") = "6"
    & skf21("3","4","4","1","7","4","5","1") = "6"
    & skf21("3","4","4","1","7","4","6","1") = "6"
    & skf21("3","4","4","1","7","4","7","1") = "6"
    & skf21("3","4","4","1","7","5","1","1") = "6"
    & skf21("3","4","4","1","7","5","2","1") = "6"
    & skf21("3","4","4","1","7","5","3","1") = "6"
    & skf21("3","4","4","1","7","5","4","1") = "6"
    & skf21("3","4","4","1","7","5","5","1") = "6"
    & skf21("3","4","4","1","7","5","6","1") = "6"
    & skf21("3","4","4","1","7","5","7","1") = "6"
    & skf21("3","4","4","1","7","6","1","1") = "6"
    & skf21("3","4","4","1","7","6","2","1") = "6"
    & skf21("3","4","4","1","7","6","3","1") = "6"
    & skf21("3","4","4","1","7","6","4","1") = "6"
    & skf21("3","4","4","1","7","6","5","1") = "6"
    & skf21("3","4","4","1","7","6","6","1") = "6"
    & skf21("3","4","4","1","7","6","7","1") = "6"
    & skf21("3","4","4","1","7","7","1","1") = "6"
    & skf21("3","4","4","1","7","7","2","1") = "6"
    & skf21("3","4","4","1","7","7","3","1") = "6"
    & skf21("3","4","4","1","7","7","4","1") = "6"
    & skf21("3","4","4","1","7","7","5","1") = "6"
    & skf21("3","4","4","1","7","7","6","1") = "6"
    & skf21("3","4","4","1","7","7","7","1") = "6"
    & skf21("3","4","4","2","1","1","1","1") = "3"
    & skf21("3","4","4","2","1","1","2","1") = "3"
    & skf21("3","4","4","2","1","1","3","1") = "3"
    & skf21("3","4","4","2","1","1","4","1") = "3"
    & skf21("3","4","4","2","1","1","5","1") = "4"
    & skf21("3","4","4","2","1","1","6","1") = "5"
    & skf21("3","4","4","2","1","1","7","1") = "6"
    & skf21("3","4","4","2","1","2","1","1") = "3"
    & skf21("3","4","4","2","1","2","2","1") = "3"
    & skf21("3","4","4","2","1","2","3","1") = "3"
    & skf21("3","4","4","2","1","2","4","1") = "3"
    & skf21("3","4","4","2","1","2","5","1") = "4"
    & skf21("3","4","4","2","1","2","6","1") = "5"
    & skf21("3","4","4","2","1","2","7","1") = "6"
    & skf21("3","4","4","2","1","3","1","1") = "3"
    & skf21("3","4","4","2","1","3","2","1") = "3"
    & skf21("3","4","4","2","1","3","3","1") = "3"
    & skf21("3","4","4","2","1","3","4","1") = "3"
    & skf21("3","4","4","2","1","3","5","1") = "4"
    & skf21("3","4","4","2","1","3","6","1") = "5"
    & skf21("3","4","4","2","1","3","7","1") = "6"
    & skf21("3","4","4","2","1","4","1","1") = "3"
    & skf21("3","4","4","2","1","4","2","1") = "3"
    & skf21("3","4","4","2","1","4","3","1") = "3"
    & skf21("3","4","4","2","1","4","4","1") = "3"
    & skf21("3","4","4","2","1","4","5","1") = "4"
    & skf21("3","4","4","2","1","4","6","1") = "5"
    & skf21("3","4","4","2","1","4","7","1") = "6"
    & skf21("3","4","4","2","1","5","1","1") = "4"
    & skf21("3","4","4","2","1","5","2","1") = "4"
    & skf21("3","4","4","2","1","5","3","1") = "4"
    & skf21("3","4","4","2","1","5","4","1") = "4"
    & skf21("3","4","4","2","1","5","5","1") = "4"
    & skf21("3","4","4","2","1","5","6","1") = "5"
    & skf21("3","4","4","2","1","5","7","1") = "6"
    & skf21("3","4","4","2","1","6","1","1") = "5"
    & skf21("3","4","4","2","1","6","2","1") = "5"
    & skf21("3","4","4","2","1","6","3","1") = "5"
    & skf21("3","4","4","2","1","6","4","1") = "5"
    & skf21("3","4","4","2","1","6","5","1") = "5"
    & skf21("3","4","4","2","1","6","6","1") = "5"
    & skf21("3","4","4","2","1","6","7","1") = "6"
    & skf21("3","4","4","2","1","7","1","1") = "6"
    & skf21("3","4","4","2","1","7","2","1") = "6"
    & skf21("3","4","4","2","1","7","3","1") = "6"
    & skf21("3","4","4","2","1","7","4","1") = "6"
    & skf21("3","4","4","2","1","7","5","1") = "6"
    & skf21("3","4","4","2","1","7","6","1") = "6"
    & skf21("3","4","4","2","1","7","7","1") = "6"
    & skf21("3","4","4","2","2","1","1","1") = "3"
    & skf21("3","4","4","2","2","1","2","1") = "3"
    & skf21("3","4","4","2","2","1","3","1") = "3"
    & skf21("3","4","4","2","2","1","4","1") = "3"
    & skf21("3","4","4","2","2","1","5","1") = "4"
    & skf21("3","4","4","2","2","1","6","1") = "5"
    & skf21("3","4","4","2","2","1","7","1") = "6"
    & skf21("3","4","4","2","2","2","1","1") = "3"
    & skf21("3","4","4","2","2","2","2","1") = "3"
    & skf21("3","4","4","2","2","2","3","1") = "3"
    & skf21("3","4","4","2","2","2","4","1") = "3"
    & skf21("3","4","4","2","2","2","5","1") = "4"
    & skf21("3","4","4","2","2","2","6","1") = "5"
    & skf21("3","4","4","2","2","2","7","1") = "6"
    & skf21("3","4","4","2","2","3","1","1") = "3"
    & skf21("3","4","4","2","2","3","2","1") = "3"
    & skf21("3","4","4","2","2","3","3","1") = "3"
    & skf21("3","4","4","2","2","3","4","1") = "3"
    & skf21("3","4","4","2","2","3","5","1") = "4"
    & skf21("3","4","4","2","2","3","6","1") = "5"
    & skf21("3","4","4","2","2","3","7","1") = "6"
    & skf21("3","4","4","2","2","4","1","1") = "3"
    & skf21("3","4","4","2","2","4","2","1") = "3"
    & skf21("3","4","4","2","2","4","3","1") = "3"
    & skf21("3","4","4","2","2","4","4","1") = "3"
    & skf21("3","4","4","2","2","4","5","1") = "4"
    & skf21("3","4","4","2","2","4","6","1") = "5"
    & skf21("3","4","4","2","2","4","7","1") = "6"
    & skf21("3","4","4","2","2","5","1","1") = "4"
    & skf21("3","4","4","2","2","5","2","1") = "4"
    & skf21("3","4","4","2","2","5","3","1") = "4"
    & skf21("3","4","4","2","2","5","4","1") = "4"
    & skf21("3","4","4","2","2","5","5","1") = "4"
    & skf21("3","4","4","2","2","5","6","1") = "5"
    & skf21("3","4","4","2","2","5","7","1") = "6"
    & skf21("3","4","4","2","2","6","1","1") = "5"
    & skf21("3","4","4","2","2","6","2","1") = "5"
    & skf21("3","4","4","2","2","6","3","1") = "5"
    & skf21("3","4","4","2","2","6","4","1") = "5"
    & skf21("3","4","4","2","2","6","5","1") = "5"
    & skf21("3","4","4","2","2","6","6","1") = "5"
    & skf21("3","4","4","2","2","6","7","1") = "6"
    & skf21("3","4","4","2","2","7","1","1") = "6"
    & skf21("3","4","4","2","2","7","2","1") = "6"
    & skf21("3","4","4","2","2","7","3","1") = "6"
    & skf21("3","4","4","2","2","7","4","1") = "6"
    & skf21("3","4","4","2","2","7","5","1") = "6"
    & skf21("3","4","4","2","2","7","6","1") = "6"
    & skf21("3","4","4","2","2","7","7","1") = "6"
    & skf21("3","4","4","2","3","1","1","1") = "3"
    & skf21("3","4","4","2","3","1","2","1") = "3"
    & skf21("3","4","4","2","3","1","3","1") = "3"
    & skf21("3","4","4","2","3","1","4","1") = "3"
    & skf21("3","4","4","2","3","1","5","1") = "4"
    & skf21("3","4","4","2","3","1","6","1") = "5"
    & skf21("3","4","4","2","3","1","7","1") = "6"
    & skf21("3","4","4","2","3","2","1","1") = "3"
    & skf21("3","4","4","2","3","2","2","1") = "3"
    & skf21("3","4","4","2","3","2","3","1") = "3"
    & skf21("3","4","4","2","3","2","4","1") = "3"
    & skf21("3","4","4","2","3","2","5","1") = "4"
    & skf21("3","4","4","2","3","2","6","1") = "5"
    & skf21("3","4","4","2","3","2","7","1") = "6"
    & skf21("3","4","4","2","3","3","1","1") = "3"
    & skf21("3","4","4","2","3","3","2","1") = "3"
    & skf21("3","4","4","2","3","3","3","1") = "3"
    & skf21("3","4","4","2","3","3","4","1") = "3"
    & skf21("3","4","4","2","3","3","5","1") = "4"
    & skf21("3","4","4","2","3","3","6","1") = "5"
    & skf21("3","4","4","2","3","3","7","1") = "6"
    & skf21("3","4","4","2","3","4","1","1") = "3"
    & skf21("3","4","4","2","3","4","2","1") = "3"
    & skf21("3","4","4","2","3","4","3","1") = "3"
    & skf21("3","4","4","2","3","4","4","1") = "3"
    & skf21("3","4","4","2","3","4","5","1") = "4"
    & skf21("3","4","4","2","3","4","6","1") = "5"
    & skf21("3","4","4","2","3","4","7","1") = "6"
    & skf21("3","4","4","2","3","5","1","1") = "4"
    & skf21("3","4","4","2","3","5","2","1") = "4"
    & skf21("3","4","4","2","3","5","3","1") = "4"
    & skf21("3","4","4","2","3","5","4","1") = "4"
    & skf21("3","4","4","2","3","5","5","1") = "4"
    & skf21("3","4","4","2","3","5","6","1") = "5"
    & skf21("3","4","4","2","3","5","7","1") = "6"
    & skf21("3","4","4","2","3","6","1","1") = "5"
    & skf21("3","4","4","2","3","6","2","1") = "5"
    & skf21("3","4","4","2","3","6","3","1") = "5"
    & skf21("3","4","4","2","3","6","4","1") = "5"
    & skf21("3","4","4","2","3","6","5","1") = "5"
    & skf21("3","4","4","2","3","6","6","1") = "5"
    & skf21("3","4","4","2","3","6","7","1") = "6"
    & skf21("3","4","4","2","3","7","1","1") = "6"
    & skf21("3","4","4","2","3","7","2","1") = "6"
    & skf21("3","4","4","2","3","7","3","1") = "6"
    & skf21("3","4","4","2","3","7","4","1") = "6"
    & skf21("3","4","4","2","3","7","5","1") = "6"
    & skf21("3","4","4","2","3","7","6","1") = "6"
    & skf21("3","4","4","2","3","7","7","1") = "6"
    & skf21("3","4","4","2","4","1","1","1") = "3"
    & skf21("3","4","4","2","4","1","2","1") = "3"
    & skf21("3","4","4","2","4","1","3","1") = "3"
    & skf21("3","4","4","2","4","1","4","1") = "3"
    & skf21("3","4","4","2","4","1","5","1") = "4"
    & skf21("3","4","4","2","4","1","6","1") = "5"
    & skf21("3","4","4","2","4","1","7","1") = "6"
    & skf21("3","4","4","2","4","2","1","1") = "3"
    & skf21("3","4","4","2","4","2","2","1") = "3"
    & skf21("3","4","4","2","4","2","3","1") = "3"
    & skf21("3","4","4","2","4","2","4","1") = "3"
    & skf21("3","4","4","2","4","2","5","1") = "4"
    & skf21("3","4","4","2","4","2","6","1") = "5"
    & skf21("3","4","4","2","4","2","7","1") = "6"
    & skf21("3","4","4","2","4","3","1","1") = "3"
    & skf21("3","4","4","2","4","3","2","1") = "3"
    & skf21("3","4","4","2","4","3","3","1") = "3"
    & skf21("3","4","4","2","4","3","4","1") = "3"
    & skf21("3","4","4","2","4","3","5","1") = "4"
    & skf21("3","4","4","2","4","3","6","1") = "5"
    & skf21("3","4","4","2","4","3","7","1") = "6"
    & skf21("3","4","4","2","4","4","1","1") = "3"
    & skf21("3","4","4","2","4","4","2","1") = "3"
    & skf21("3","4","4","2","4","4","3","1") = "3"
    & skf21("3","4","4","2","4","4","4","1") = "3"
    & skf21("3","4","4","2","4","4","5","1") = "4"
    & skf21("3","4","4","2","4","4","6","1") = "5"
    & skf21("3","4","4","2","4","4","7","1") = "6"
    & skf21("3","4","4","2","4","5","1","1") = "4"
    & skf21("3","4","4","2","4","5","2","1") = "4"
    & skf21("3","4","4","2","4","5","3","1") = "4"
    & skf21("3","4","4","2","4","5","4","1") = "4"
    & skf21("3","4","4","2","4","5","5","1") = "4"
    & skf21("3","4","4","2","4","5","6","1") = "5"
    & skf21("3","4","4","2","4","5","7","1") = "6"
    & skf21("3","4","4","2","4","6","1","1") = "5"
    & skf21("3","4","4","2","4","6","2","1") = "5"
    & skf21("3","4","4","2","4","6","3","1") = "5"
    & skf21("3","4","4","2","4","6","4","1") = "5"
    & skf21("3","4","4","2","4","6","5","1") = "5"
    & skf21("3","4","4","2","4","6","6","1") = "5"
    & skf21("3","4","4","2","4","6","7","1") = "6"
    & skf21("3","4","4","2","4","7","1","1") = "6"
    & skf21("3","4","4","2","4","7","2","1") = "6"
    & skf21("3","4","4","2","4","7","3","1") = "6"
    & skf21("3","4","4","2","4","7","4","1") = "6"
    & skf21("3","4","4","2","4","7","5","1") = "6"
    & skf21("3","4","4","2","4","7","6","1") = "6"
    & skf21("3","4","4","2","4","7","7","1") = "6"
    & skf21("3","4","4","2","5","1","1","1") = "4"
    & skf21("3","4","4","2","5","1","2","1") = "4"
    & skf21("3","4","4","2","5","1","3","1") = "4"
    & skf21("3","4","4","2","5","1","4","1") = "4"
    & skf21("3","4","4","2","5","1","5","1") = "4"
    & skf21("3","4","4","2","5","1","6","1") = "5"
    & skf21("3","4","4","2","5","1","7","1") = "6"
    & skf21("3","4","4","2","5","2","1","1") = "4"
    & skf21("3","4","4","2","5","2","2","1") = "4"
    & skf21("3","4","4","2","5","2","3","1") = "4"
    & skf21("3","4","4","2","5","2","4","1") = "4"
    & skf21("3","4","4","2","5","2","5","1") = "4"
    & skf21("3","4","4","2","5","2","6","1") = "5"
    & skf21("3","4","4","2","5","2","7","1") = "6"
    & skf21("3","4","4","2","5","3","1","1") = "4"
    & skf21("3","4","4","2","5","3","2","1") = "4"
    & skf21("3","4","4","2","5","3","3","1") = "4"
    & skf21("3","4","4","2","5","3","4","1") = "4"
    & skf21("3","4","4","2","5","3","5","1") = "4"
    & skf21("3","4","4","2","5","3","6","1") = "5"
    & skf21("3","4","4","2","5","3","7","1") = "6"
    & skf21("3","4","4","2","5","4","1","1") = "4"
    & skf21("3","4","4","2","5","4","2","1") = "4"
    & skf21("3","4","4","2","5","4","3","1") = "4"
    & skf21("3","4","4","2","5","4","4","1") = "4"
    & skf21("3","4","4","2","5","4","5","1") = "4"
    & skf21("3","4","4","2","5","4","6","1") = "5"
    & skf21("3","4","4","2","5","4","7","1") = "6"
    & skf21("3","4","4","2","5","5","1","1") = "4"
    & skf21("3","4","4","2","5","5","2","1") = "4"
    & skf21("3","4","4","2","5","5","3","1") = "4"
    & skf21("3","4","4","2","5","5","4","1") = "4"
    & skf21("3","4","4","2","5","5","5","1") = "4"
    & skf21("3","4","4","2","5","5","6","1") = "5"
    & skf21("3","4","4","2","5","5","7","1") = "6"
    & skf21("3","4","4","2","5","6","1","1") = "5"
    & skf21("3","4","4","2","5","6","2","1") = "5"
    & skf21("3","4","4","2","5","6","3","1") = "5"
    & skf21("3","4","4","2","5","6","4","1") = "5"
    & skf21("3","4","4","2","5","6","5","1") = "5"
    & skf21("3","4","4","2","5","6","6","1") = "5"
    & skf21("3","4","4","2","5","6","7","1") = "6"
    & skf21("3","4","4","2","5","7","1","1") = "6"
    & skf21("3","4","4","2","5","7","2","1") = "6"
    & skf21("3","4","4","2","5","7","3","1") = "6"
    & skf21("3","4","4","2","5","7","4","1") = "6"
    & skf21("3","4","4","2","5","7","5","1") = "6"
    & skf21("3","4","4","2","5","7","6","1") = "6"
    & skf21("3","4","4","2","5","7","7","1") = "6"
    & skf21("3","4","4","2","6","1","1","1") = "5"
    & skf21("3","4","4","2","6","1","2","1") = "5"
    & skf21("3","4","4","2","6","1","3","1") = "5"
    & skf21("3","4","4","2","6","1","4","1") = "5"
    & skf21("3","4","4","2","6","1","5","1") = "5"
    & skf21("3","4","4","2","6","1","6","1") = "5"
    & skf21("3","4","4","2","6","1","7","1") = "6"
    & skf21("3","4","4","2","6","2","1","1") = "5"
    & skf21("3","4","4","2","6","2","2","1") = "5"
    & skf21("3","4","4","2","6","2","3","1") = "5"
    & skf21("3","4","4","2","6","2","4","1") = "5"
    & skf21("3","4","4","2","6","2","5","1") = "5"
    & skf21("3","4","4","2","6","2","6","1") = "5"
    & skf21("3","4","4","2","6","2","7","1") = "6"
    & skf21("3","4","4","2","6","3","1","1") = "5"
    & skf21("3","4","4","2","6","3","2","1") = "5"
    & skf21("3","4","4","2","6","3","3","1") = "5"
    & skf21("3","4","4","2","6","3","4","1") = "5"
    & skf21("3","4","4","2","6","3","5","1") = "5"
    & skf21("3","4","4","2","6","3","6","1") = "5"
    & skf21("3","4","4","2","6","3","7","1") = "6"
    & skf21("3","4","4","2","6","4","1","1") = "5"
    & skf21("3","4","4","2","6","4","2","1") = "5"
    & skf21("3","4","4","2","6","4","3","1") = "5"
    & skf21("3","4","4","2","6","4","4","1") = "5"
    & skf21("3","4","4","2","6","4","5","1") = "5"
    & skf21("3","4","4","2","6","4","6","1") = "5"
    & skf21("3","4","4","2","6","4","7","1") = "6"
    & skf21("3","4","4","2","6","5","1","1") = "5"
    & skf21("3","4","4","2","6","5","2","1") = "5"
    & skf21("3","4","4","2","6","5","3","1") = "5"
    & skf21("3","4","4","2","6","5","4","1") = "5"
    & skf21("3","4","4","2","6","5","5","1") = "5"
    & skf21("3","4","4","2","6","5","6","1") = "5"
    & skf21("3","4","4","2","6","5","7","1") = "6"
    & skf21("3","4","4","2","6","6","1","1") = "5"
    & skf21("3","4","4","2","6","6","2","1") = "5"
    & skf21("3","4","4","2","6","6","3","1") = "5"
    & skf21("3","4","4","2","6","6","4","1") = "5"
    & skf21("3","4","4","2","6","6","5","1") = "5"
    & skf21("3","4","4","2","6","6","6","1") = "5"
    & skf21("3","4","4","2","6","6","7","1") = "6"
    & skf21("3","4","4","2","6","7","1","1") = "6"
    & skf21("3","4","4","2","6","7","2","1") = "6"
    & skf21("3","4","4","2","6","7","3","1") = "6"
    & skf21("3","4","4","2","6","7","4","1") = "6"
    & skf21("3","4","4","2","6","7","5","1") = "6"
    & skf21("3","4","4","2","6","7","6","1") = "6"
    & skf21("3","4","4","2","6","7","7","1") = "6"
    & skf21("3","4","4","2","7","1","1","1") = "6"
    & skf21("3","4","4","2","7","1","2","1") = "6"
    & skf21("3","4","4","2","7","1","3","1") = "6"
    & skf21("3","4","4","2","7","1","4","1") = "6"
    & skf21("3","4","4","2","7","1","5","1") = "6"
    & skf21("3","4","4","2","7","1","6","1") = "6"
    & skf21("3","4","4","2","7","1","7","1") = "6"
    & skf21("3","4","4","2","7","2","1","1") = "6"
    & skf21("3","4","4","2","7","2","2","1") = "6"
    & skf21("3","4","4","2","7","2","3","1") = "6"
    & skf21("3","4","4","2","7","2","4","1") = "6"
    & skf21("3","4","4","2","7","2","5","1") = "6"
    & skf21("3","4","4","2","7","2","6","1") = "6"
    & skf21("3","4","4","2","7","2","7","1") = "6"
    & skf21("3","4","4","2","7","3","1","1") = "6"
    & skf21("3","4","4","2","7","3","2","1") = "6"
    & skf21("3","4","4","2","7","3","3","1") = "6"
    & skf21("3","4","4","2","7","3","4","1") = "6"
    & skf21("3","4","4","2","7","3","5","1") = "6"
    & skf21("3","4","4","2","7","3","6","1") = "6"
    & skf21("3","4","4","2","7","3","7","1") = "6"
    & skf21("3","4","4","2","7","4","1","1") = "6"
    & skf21("3","4","4","2","7","4","2","1") = "6"
    & skf21("3","4","4","2","7","4","3","1") = "6"
    & skf21("3","4","4","2","7","4","4","1") = "6"
    & skf21("3","4","4","2","7","4","5","1") = "6"
    & skf21("3","4","4","2","7","4","6","1") = "6"
    & skf21("3","4","4","2","7","4","7","1") = "6"
    & skf21("3","4","4","2","7","5","1","1") = "6"
    & skf21("3","4","4","2","7","5","2","1") = "6"
    & skf21("3","4","4","2","7","5","3","1") = "6"
    & skf21("3","4","4","2","7","5","4","1") = "6"
    & skf21("3","4","4","2","7","5","5","1") = "6"
    & skf21("3","4","4","2","7","5","6","1") = "6"
    & skf21("3","4","4","2","7","5","7","1") = "6"
    & skf21("3","4","4","2","7","6","1","1") = "6"
    & skf21("3","4","4","2","7","6","2","1") = "6"
    & skf21("3","4","4","2","7","6","3","1") = "6"
    & skf21("3","4","4","2","7","6","4","1") = "6"
    & skf21("3","4","4","2","7","6","5","1") = "6"
    & skf21("3","4","4","2","7","6","6","1") = "6"
    & skf21("3","4","4","2","7","6","7","1") = "6"
    & skf21("3","4","4","2","7","7","1","1") = "6"
    & skf21("3","4","4","2","7","7","2","1") = "6"
    & skf21("3","4","4","2","7","7","3","1") = "6"
    & skf21("3","4","4","2","7","7","4","1") = "6"
    & skf21("3","4","4","2","7","7","5","1") = "6"
    & skf21("3","4","4","2","7","7","6","1") = "6"
    & skf21("3","4","4","2","7","7","7","1") = "6"
    & skf21("3","4","4","3","1","1","1","1") = "3"
    & skf21("3","4","4","3","1","1","2","1") = "3"
    & skf21("3","4","4","3","1","1","3","1") = "3"
    & skf21("3","4","4","3","1","1","4","1") = "3"
    & skf21("3","4","4","3","1","1","5","1") = "4"
    & skf21("3","4","4","3","1","1","6","1") = "5"
    & skf21("3","4","4","3","1","1","7","1") = "6"
    & skf21("3","4","4","3","1","2","1","1") = "3"
    & skf21("3","4","4","3","1","2","2","1") = "3"
    & skf21("3","4","4","3","1","2","3","1") = "3"
    & skf21("3","4","4","3","1","2","4","1") = "3"
    & skf21("3","4","4","3","1","2","5","1") = "4"
    & skf21("3","4","4","3","1","2","6","1") = "5"
    & skf21("3","4","4","3","1","2","7","1") = "6"
    & skf21("3","4","4","3","1","3","1","1") = "3"
    & skf21("3","4","4","3","1","3","2","1") = "3"
    & skf21("3","4","4","3","1","3","3","1") = "3"
    & skf21("3","4","4","3","1","3","4","1") = "3"
    & skf21("3","4","4","3","1","3","5","1") = "4"
    & skf21("3","4","4","3","1","3","6","1") = "5"
    & skf21("3","4","4","3","1","3","7","1") = "6"
    & skf21("3","4","4","3","1","4","1","1") = "3"
    & skf21("3","4","4","3","1","4","2","1") = "3"
    & skf21("3","4","4","3","1","4","3","1") = "3"
    & skf21("3","4","4","3","1","4","4","1") = "3"
    & skf21("3","4","4","3","1","4","5","1") = "4"
    & skf21("3","4","4","3","1","4","6","1") = "5"
    & skf21("3","4","4","3","1","4","7","1") = "6"
    & skf21("3","4","4","3","1","5","1","1") = "4"
    & skf21("3","4","4","3","1","5","2","1") = "4"
    & skf21("3","4","4","3","1","5","3","1") = "4"
    & skf21("3","4","4","3","1","5","4","1") = "4"
    & skf21("3","4","4","3","1","5","5","1") = "4"
    & skf21("3","4","4","3","1","5","6","1") = "5"
    & skf21("3","4","4","3","1","5","7","1") = "6"
    & skf21("3","4","4","3","1","6","1","1") = "5"
    & skf21("3","4","4","3","1","6","2","1") = "5"
    & skf21("3","4","4","3","1","6","3","1") = "5"
    & skf21("3","4","4","3","1","6","4","1") = "5"
    & skf21("3","4","4","3","1","6","5","1") = "5"
    & skf21("3","4","4","3","1","6","6","1") = "5"
    & skf21("3","4","4","3","1","6","7","1") = "6"
    & skf21("3","4","4","3","1","7","1","1") = "6"
    & skf21("3","4","4","3","1","7","2","1") = "6"
    & skf21("3","4","4","3","1","7","3","1") = "6"
    & skf21("3","4","4","3","1","7","4","1") = "6"
    & skf21("3","4","4","3","1","7","5","1") = "6"
    & skf21("3","4","4","3","1","7","6","1") = "6"
    & skf21("3","4","4","3","1","7","7","1") = "6"
    & skf21("3","4","4","3","2","1","1","1") = "3"
    & skf21("3","4","4","3","2","1","2","1") = "3"
    & skf21("3","4","4","3","2","1","3","1") = "3"
    & skf21("3","4","4","3","2","1","4","1") = "3"
    & skf21("3","4","4","3","2","1","5","1") = "4"
    & skf21("3","4","4","3","2","1","6","1") = "5"
    & skf21("3","4","4","3","2","1","7","1") = "6"
    & skf21("3","4","4","3","2","2","1","1") = "3"
    & skf21("3","4","4","3","2","2","2","1") = "3"
    & skf21("3","4","4","3","2","2","3","1") = "3"
    & skf21("3","4","4","3","2","2","4","1") = "3"
    & skf21("3","4","4","3","2","2","5","1") = "4"
    & skf21("3","4","4","3","2","2","6","1") = "5"
    & skf21("3","4","4","3","2","2","7","1") = "6"
    & skf21("3","4","4","3","2","3","1","1") = "3"
    & skf21("3","4","4","3","2","3","2","1") = "3"
    & skf21("3","4","4","3","2","3","3","1") = "3"
    & skf21("3","4","4","3","2","3","4","1") = "3"
    & skf21("3","4","4","3","2","3","5","1") = "4"
    & skf21("3","4","4","3","2","3","6","1") = "5"
    & skf21("3","4","4","3","2","3","7","1") = "6"
    & skf21("3","4","4","3","2","4","1","1") = "3"
    & skf21("3","4","4","3","2","4","2","1") = "3"
    & skf21("3","4","4","3","2","4","3","1") = "3"
    & skf21("3","4","4","3","2","4","4","1") = "3"
    & skf21("3","4","4","3","2","4","5","1") = "4"
    & skf21("3","4","4","3","2","4","6","1") = "5"
    & skf21("3","4","4","3","2","4","7","1") = "6"
    & skf21("3","4","4","3","2","5","1","1") = "4"
    & skf21("3","4","4","3","2","5","2","1") = "4"
    & skf21("3","4","4","3","2","5","3","1") = "4"
    & skf21("3","4","4","3","2","5","4","1") = "4"
    & skf21("3","4","4","3","2","5","5","1") = "4"
    & skf21("3","4","4","3","2","5","6","1") = "5"
    & skf21("3","4","4","3","2","5","7","1") = "6"
    & skf21("3","4","4","3","2","6","1","1") = "5"
    & skf21("3","4","4","3","2","6","2","1") = "5"
    & skf21("3","4","4","3","2","6","3","1") = "5"
    & skf21("3","4","4","3","2","6","4","1") = "5"
    & skf21("3","4","4","3","2","6","5","1") = "5"
    & skf21("3","4","4","3","2","6","6","1") = "5"
    & skf21("3","4","4","3","2","6","7","1") = "6"
    & skf21("3","4","4","3","2","7","1","1") = "6"
    & skf21("3","4","4","3","2","7","2","1") = "6"
    & skf21("3","4","4","3","2","7","3","1") = "6"
    & skf21("3","4","4","3","2","7","4","1") = "6"
    & skf21("3","4","4","3","2","7","5","1") = "6"
    & skf21("3","4","4","3","2","7","6","1") = "6"
    & skf21("3","4","4","3","2","7","7","1") = "6"
    & skf21("3","4","4","3","3","1","1","1") = "3"
    & skf21("3","4","4","3","3","1","2","1") = "3"
    & skf21("3","4","4","3","3","1","3","1") = "3"
    & skf21("3","4","4","3","3","1","4","1") = "3"
    & skf21("3","4","4","3","3","1","5","1") = "4"
    & skf21("3","4","4","3","3","1","6","1") = "5"
    & skf21("3","4","4","3","3","1","7","1") = "6"
    & skf21("3","4","4","3","3","2","1","1") = "3"
    & skf21("3","4","4","3","3","2","2","1") = "3"
    & skf21("3","4","4","3","3","2","3","1") = "3"
    & skf21("3","4","4","3","3","2","4","1") = "3"
    & skf21("3","4","4","3","3","2","5","1") = "4"
    & skf21("3","4","4","3","3","2","6","1") = "5"
    & skf21("3","4","4","3","3","2","7","1") = "6"
    & skf21("3","4","4","3","3","3","1","1") = "3"
    & skf21("3","4","4","3","3","3","2","1") = "3"
    & skf21("3","4","4","3","3","3","3","1") = "3"
    & skf21("3","4","4","3","3","3","4","1") = "3"
    & skf21("3","4","4","3","3","3","5","1") = "4"
    & skf21("3","4","4","3","3","3","6","1") = "5"
    & skf21("3","4","4","3","3","3","7","1") = "6"
    & skf21("3","4","4","3","3","4","1","1") = "3"
    & skf21("3","4","4","3","3","4","2","1") = "3"
    & skf21("3","4","4","3","3","4","3","1") = "3"
    & skf21("3","4","4","3","3","4","4","1") = "3"
    & skf21("3","4","4","3","3","4","5","1") = "4"
    & skf21("3","4","4","3","3","4","6","1") = "5"
    & skf21("3","4","4","3","3","4","7","1") = "6"
    & skf21("3","4","4","3","3","5","1","1") = "4"
    & skf21("3","4","4","3","3","5","2","1") = "4"
    & skf21("3","4","4","3","3","5","3","1") = "4"
    & skf21("3","4","4","3","3","5","4","1") = "4"
    & skf21("3","4","4","3","3","5","5","1") = "4"
    & skf21("3","4","4","3","3","5","6","1") = "5"
    & skf21("3","4","4","3","3","5","7","1") = "6"
    & skf21("3","4","4","3","3","6","1","1") = "5"
    & skf21("3","4","4","3","3","6","2","1") = "5"
    & skf21("3","4","4","3","3","6","3","1") = "5"
    & skf21("3","4","4","3","3","6","4","1") = "5"
    & skf21("3","4","4","3","3","6","5","1") = "5"
    & skf21("3","4","4","3","3","6","6","1") = "5"
    & skf21("3","4","4","3","3","6","7","1") = "6"
    & skf21("3","4","4","3","3","7","1","1") = "6"
    & skf21("3","4","4","3","3","7","2","1") = "6"
    & skf21("3","4","4","3","3","7","3","1") = "6"
    & skf21("3","4","4","3","3","7","4","1") = "6"
    & skf21("3","4","4","3","3","7","5","1") = "6"
    & skf21("3","4","4","3","3","7","6","1") = "6"
    & skf21("3","4","4","3","3","7","7","1") = "6"
    & skf21("3","4","4","3","4","1","1","1") = "3"
    & skf21("3","4","4","3","4","1","2","1") = "3"
    & skf21("3","4","4","3","4","1","3","1") = "3"
    & skf21("3","4","4","3","4","1","4","1") = "3"
    & skf21("3","4","4","3","4","1","5","1") = "4"
    & skf21("3","4","4","3","4","1","6","1") = "5"
    & skf21("3","4","4","3","4","1","7","1") = "6"
    & skf21("3","4","4","3","4","2","1","1") = "3"
    & skf21("3","4","4","3","4","2","2","1") = "3"
    & skf21("3","4","4","3","4","2","3","1") = "3"
    & skf21("3","4","4","3","4","2","4","1") = "3"
    & skf21("3","4","4","3","4","2","5","1") = "4"
    & skf21("3","4","4","3","4","2","6","1") = "5"
    & skf21("3","4","4","3","4","2","7","1") = "6"
    & skf21("3","4","4","3","4","3","1","1") = "3"
    & skf21("3","4","4","3","4","3","2","1") = "3"
    & skf21("3","4","4","3","4","3","3","1") = "3"
    & skf21("3","4","4","3","4","3","4","1") = "3"
    & skf21("3","4","4","3","4","3","5","1") = "4"
    & skf21("3","4","4","3","4","3","6","1") = "5"
    & skf21("3","4","4","3","4","3","7","1") = "6"
    & skf21("3","4","4","3","4","4","1","1") = "3"
    & skf21("3","4","4","3","4","4","2","1") = "3"
    & skf21("3","4","4","3","4","4","3","1") = "3"
    & skf21("3","4","4","3","4","4","4","1") = "3"
    & skf21("3","4","4","3","4","4","5","1") = "4"
    & skf21("3","4","4","3","4","4","6","1") = "5"
    & skf21("3","4","4","3","4","4","7","1") = "6"
    & skf21("3","4","4","3","4","5","1","1") = "4"
    & skf21("3","4","4","3","4","5","2","1") = "4"
    & skf21("3","4","4","3","4","5","3","1") = "4"
    & skf21("3","4","4","3","4","5","4","1") = "4"
    & skf21("3","4","4","3","4","5","5","1") = "4"
    & skf21("3","4","4","3","4","5","6","1") = "5"
    & skf21("3","4","4","3","4","5","7","1") = "6"
    & skf21("3","4","4","3","4","6","1","1") = "5"
    & skf21("3","4","4","3","4","6","2","1") = "5"
    & skf21("3","4","4","3","4","6","3","1") = "5"
    & skf21("3","4","4","3","4","6","4","1") = "5"
    & skf21("3","4","4","3","4","6","5","1") = "5"
    & skf21("3","4","4","3","4","6","6","1") = "5"
    & skf21("3","4","4","3","4","6","7","1") = "6"
    & skf21("3","4","4","3","4","7","1","1") = "6"
    & skf21("3","4","4","3","4","7","2","1") = "6"
    & skf21("3","4","4","3","4","7","3","1") = "6"
    & skf21("3","4","4","3","4","7","4","1") = "6"
    & skf21("3","4","4","3","4","7","5","1") = "6"
    & skf21("3","4","4","3","4","7","6","1") = "6"
    & skf21("3","4","4","3","4","7","7","1") = "6"
    & skf21("3","4","4","3","5","1","1","1") = "4"
    & skf21("3","4","4","3","5","1","2","1") = "4"
    & skf21("3","4","4","3","5","1","3","1") = "4"
    & skf21("3","4","4","3","5","1","4","1") = "4"
    & skf21("3","4","4","3","5","1","5","1") = "4"
    & skf21("3","4","4","3","5","1","6","1") = "5"
    & skf21("3","4","4","3","5","1","7","1") = "6"
    & skf21("3","4","4","3","5","2","1","1") = "4"
    & skf21("3","4","4","3","5","2","2","1") = "4"
    & skf21("3","4","4","3","5","2","3","1") = "4"
    & skf21("3","4","4","3","5","2","4","1") = "4"
    & skf21("3","4","4","3","5","2","5","1") = "4"
    & skf21("3","4","4","3","5","2","6","1") = "5"
    & skf21("3","4","4","3","5","2","7","1") = "6"
    & skf21("3","4","4","3","5","3","1","1") = "4"
    & skf21("3","4","4","3","5","3","2","1") = "4"
    & skf21("3","4","4","3","5","3","3","1") = "4"
    & skf21("3","4","4","3","5","3","4","1") = "4"
    & skf21("3","4","4","3","5","3","5","1") = "4"
    & skf21("3","4","4","3","5","3","6","1") = "5"
    & skf21("3","4","4","3","5","3","7","1") = "6"
    & skf21("3","4","4","3","5","4","1","1") = "4"
    & skf21("3","4","4","3","5","4","2","1") = "4"
    & skf21("3","4","4","3","5","4","3","1") = "4"
    & skf21("3","4","4","3","5","4","4","1") = "4"
    & skf21("3","4","4","3","5","4","5","1") = "4"
    & skf21("3","4","4","3","5","4","6","1") = "5"
    & skf21("3","4","4","3","5","4","7","1") = "6"
    & skf21("3","4","4","3","5","5","1","1") = "4"
    & skf21("3","4","4","3","5","5","2","1") = "4"
    & skf21("3","4","4","3","5","5","3","1") = "4"
    & skf21("3","4","4","3","5","5","4","1") = "4"
    & skf21("3","4","4","3","5","5","5","1") = "4"
    & skf21("3","4","4","3","5","5","6","1") = "5"
    & skf21("3","4","4","3","5","5","7","1") = "6"
    & skf21("3","4","4","3","5","6","1","1") = "5"
    & skf21("3","4","4","3","5","6","2","1") = "5"
    & skf21("3","4","4","3","5","6","3","1") = "5"
    & skf21("3","4","4","3","5","6","4","1") = "5"
    & skf21("3","4","4","3","5","6","5","1") = "5"
    & skf21("3","4","4","3","5","6","6","1") = "5"
    & skf21("3","4","4","3","5","6","7","1") = "6"
    & skf21("3","4","4","3","5","7","1","1") = "6"
    & skf21("3","4","4","3","5","7","2","1") = "6"
    & skf21("3","4","4","3","5","7","3","1") = "6"
    & skf21("3","4","4","3","5","7","4","1") = "6"
    & skf21("3","4","4","3","5","7","5","1") = "6"
    & skf21("3","4","4","3","5","7","6","1") = "6"
    & skf21("3","4","4","3","5","7","7","1") = "6"
    & skf21("3","4","4","3","6","1","1","1") = "5"
    & skf21("3","4","4","3","6","1","2","1") = "5"
    & skf21("3","4","4","3","6","1","3","1") = "5"
    & skf21("3","4","4","3","6","1","4","1") = "5"
    & skf21("3","4","4","3","6","1","5","1") = "5"
    & skf21("3","4","4","3","6","1","6","1") = "5"
    & skf21("3","4","4","3","6","1","7","1") = "6"
    & skf21("3","4","4","3","6","2","1","1") = "5"
    & skf21("3","4","4","3","6","2","2","1") = "5"
    & skf21("3","4","4","3","6","2","3","1") = "5"
    & skf21("3","4","4","3","6","2","4","1") = "5"
    & skf21("3","4","4","3","6","2","5","1") = "5"
    & skf21("3","4","4","3","6","2","6","1") = "5"
    & skf21("3","4","4","3","6","2","7","1") = "6"
    & skf21("3","4","4","3","6","3","1","1") = "5"
    & skf21("3","4","4","3","6","3","2","1") = "5"
    & skf21("3","4","4","3","6","3","3","1") = "5"
    & skf21("3","4","4","3","6","3","4","1") = "5"
    & skf21("3","4","4","3","6","3","5","1") = "5"
    & skf21("3","4","4","3","6","3","6","1") = "5"
    & skf21("3","4","4","3","6","3","7","1") = "6"
    & skf21("3","4","4","3","6","4","1","1") = "5"
    & skf21("3","4","4","3","6","4","2","1") = "5"
    & skf21("3","4","4","3","6","4","3","1") = "5"
    & skf21("3","4","4","3","6","4","4","1") = "5"
    & skf21("3","4","4","3","6","4","5","1") = "5"
    & skf21("3","4","4","3","6","4","6","1") = "5"
    & skf21("3","4","4","3","6","4","7","1") = "6"
    & skf21("3","4","4","3","6","5","1","1") = "5"
    & skf21("3","4","4","3","6","5","2","1") = "5"
    & skf21("3","4","4","3","6","5","3","1") = "5"
    & skf21("3","4","4","3","6","5","4","1") = "5"
    & skf21("3","4","4","3","6","5","5","1") = "5"
    & skf21("3","4","4","3","6","5","6","1") = "5"
    & skf21("3","4","4","3","6","5","7","1") = "6"
    & skf21("3","4","4","3","6","6","1","1") = "5"
    & skf21("3","4","4","3","6","6","2","1") = "5"
    & skf21("3","4","4","3","6","6","3","1") = "5"
    & skf21("3","4","4","3","6","6","4","1") = "5"
    & skf21("3","4","4","3","6","6","5","1") = "5"
    & skf21("3","4","4","3","6","6","6","1") = "5"
    & skf21("3","4","4","3","6","6","7","1") = "6"
    & skf21("3","4","4","3","6","7","1","1") = "6"
    & skf21("3","4","4","3","6","7","2","1") = "6"
    & skf21("3","4","4","3","6","7","3","1") = "6"
    & skf21("3","4","4","3","6","7","4","1") = "6"
    & skf21("3","4","4","3","6","7","5","1") = "6"
    & skf21("3","4","4","3","6","7","6","1") = "6"
    & skf21("3","4","4","3","6","7","7","1") = "6"
    & skf21("3","4","4","3","7","1","1","1") = "6"
    & skf21("3","4","4","3","7","1","2","1") = "6"
    & skf21("3","4","4","3","7","1","3","1") = "6"
    & skf21("3","4","4","3","7","1","4","1") = "6"
    & skf21("3","4","4","3","7","1","5","1") = "6"
    & skf21("3","4","4","3","7","1","6","1") = "6"
    & skf21("3","4","4","3","7","1","7","1") = "6"
    & skf21("3","4","4","3","7","2","1","1") = "6"
    & skf21("3","4","4","3","7","2","2","1") = "6"
    & skf21("3","4","4","3","7","2","3","1") = "6"
    & skf21("3","4","4","3","7","2","4","1") = "6"
    & skf21("3","4","4","3","7","2","5","1") = "6"
    & skf21("3","4","4","3","7","2","6","1") = "6"
    & skf21("3","4","4","3","7","2","7","1") = "6"
    & skf21("3","4","4","3","7","3","1","1") = "6"
    & skf21("3","4","4","3","7","3","2","1") = "6"
    & skf21("3","4","4","3","7","3","3","1") = "6"
    & skf21("3","4","4","3","7","3","4","1") = "6"
    & skf21("3","4","4","3","7","3","5","1") = "6"
    & skf21("3","4","4","3","7","3","6","1") = "6"
    & skf21("3","4","4","3","7","3","7","1") = "6"
    & skf21("3","4","4","3","7","4","1","1") = "6"
    & skf21("3","4","4","3","7","4","2","1") = "6"
    & skf21("3","4","4","3","7","4","3","1") = "6"
    & skf21("3","4","4","3","7","4","4","1") = "6"
    & skf21("3","4","4","3","7","4","5","1") = "6"
    & skf21("3","4","4","3","7","4","6","1") = "6"
    & skf21("3","4","4","3","7","4","7","1") = "6"
    & skf21("3","4","4","3","7","5","1","1") = "6"
    & skf21("3","4","4","3","7","5","2","1") = "6"
    & skf21("3","4","4","3","7","5","3","1") = "6"
    & skf21("3","4","4","3","7","5","4","1") = "6"
    & skf21("3","4","4","3","7","5","5","1") = "6"
    & skf21("3","4","4","3","7","5","6","1") = "6"
    & skf21("3","4","4","3","7","5","7","1") = "6"
    & skf21("3","4","4","3","7","6","1","1") = "6"
    & skf21("3","4","4","3","7","6","2","1") = "6"
    & skf21("3","4","4","3","7","6","3","1") = "6"
    & skf21("3","4","4","3","7","6","4","1") = "6"
    & skf21("3","4","4","3","7","6","5","1") = "6"
    & skf21("3","4","4","3","7","6","6","1") = "6"
    & skf21("3","4","4","3","7","6","7","1") = "6"
    & skf21("3","4","4","3","7","7","1","1") = "6"
    & skf21("3","4","4","3","7","7","2","1") = "6"
    & skf21("3","4","4","3","7","7","3","1") = "6"
    & skf21("3","4","4","3","7","7","4","1") = "6"
    & skf21("3","4","4","3","7","7","5","1") = "6"
    & skf21("3","4","4","3","7","7","6","1") = "6"
    & skf21("3","4","4","3","7","7","7","1") = "6"
    & skf21("3","4","4","4","1","1","1","1") = "3"
    & skf21("3","4","4","4","1","1","2","1") = "3"
    & skf21("3","4","4","4","1","1","3","1") = "3"
    & skf21("3","4","4","4","1","1","4","1") = "3"
    & skf21("3","4","4","4","1","1","5","1") = "4"
    & skf21("3","4","4","4","1","1","6","1") = "5"
    & skf21("3","4","4","4","1","1","7","1") = "6"
    & skf21("3","4","4","4","1","2","1","1") = "3"
    & skf21("3","4","4","4","1","2","2","1") = "3"
    & skf21("3","4","4","4","1","2","3","1") = "3"
    & skf21("3","4","4","4","1","2","4","1") = "3"
    & skf21("3","4","4","4","1","2","5","1") = "4"
    & skf21("3","4","4","4","1","2","6","1") = "5"
    & skf21("3","4","4","4","1","2","7","1") = "6"
    & skf21("3","4","4","4","1","3","1","1") = "3"
    & skf21("3","4","4","4","1","3","2","1") = "3"
    & skf21("3","4","4","4","1","3","3","1") = "3"
    & skf21("3","4","4","4","1","3","4","1") = "3"
    & skf21("3","4","4","4","1","3","5","1") = "4"
    & skf21("3","4","4","4","1","3","6","1") = "5"
    & skf21("3","4","4","4","1","3","7","1") = "6"
    & skf21("3","4","4","4","1","4","1","1") = "3"
    & skf21("3","4","4","4","1","4","2","1") = "3"
    & skf21("3","4","4","4","1","4","3","1") = "3"
    & skf21("3","4","4","4","1","4","4","1") = "3"
    & skf21("3","4","4","4","1","4","5","1") = "4"
    & skf21("3","4","4","4","1","4","6","1") = "5"
    & skf21("3","4","4","4","1","4","7","1") = "6"
    & skf21("3","4","4","4","1","5","1","1") = "4"
    & skf21("3","4","4","4","1","5","2","1") = "4"
    & skf21("3","4","4","4","1","5","3","1") = "4"
    & skf21("3","4","4","4","1","5","4","1") = "4"
    & skf21("3","4","4","4","1","5","5","1") = "4"
    & skf21("3","4","4","4","1","5","6","1") = "5"
    & skf21("3","4","4","4","1","5","7","1") = "6"
    & skf21("3","4","4","4","1","6","1","1") = "5"
    & skf21("3","4","4","4","1","6","2","1") = "5"
    & skf21("3","4","4","4","1","6","3","1") = "5"
    & skf21("3","4","4","4","1","6","4","1") = "5"
    & skf21("3","4","4","4","1","6","5","1") = "5"
    & skf21("3","4","4","4","1","6","6","1") = "5"
    & skf21("3","4","4","4","1","6","7","1") = "6"
    & skf21("3","4","4","4","1","7","1","1") = "6"
    & skf21("3","4","4","4","1","7","2","1") = "6"
    & skf21("3","4","4","4","1","7","3","1") = "6"
    & skf21("3","4","4","4","1","7","4","1") = "6"
    & skf21("3","4","4","4","1","7","5","1") = "6"
    & skf21("3","4","4","4","1","7","6","1") = "6"
    & skf21("3","4","4","4","1","7","7","1") = "6"
    & skf21("3","4","4","4","2","1","1","1") = "3"
    & skf21("3","4","4","4","2","1","2","1") = "3"
    & skf21("3","4","4","4","2","1","3","1") = "3"
    & skf21("3","4","4","4","2","1","4","1") = "3"
    & skf21("3","4","4","4","2","1","5","1") = "4"
    & skf21("3","4","4","4","2","1","6","1") = "5"
    & skf21("3","4","4","4","2","1","7","1") = "6"
    & skf21("3","4","4","4","2","2","1","1") = "3"
    & skf21("3","4","4","4","2","2","2","1") = "3"
    & skf21("3","4","4","4","2","2","3","1") = "3"
    & skf21("3","4","4","4","2","2","4","1") = "3"
    & skf21("3","4","4","4","2","2","5","1") = "4"
    & skf21("3","4","4","4","2","2","6","1") = "5"
    & skf21("3","4","4","4","2","2","7","1") = "6"
    & skf21("3","4","4","4","2","3","1","1") = "3"
    & skf21("3","4","4","4","2","3","2","1") = "3"
    & skf21("3","4","4","4","2","3","3","1") = "3"
    & skf21("3","4","4","4","2","3","4","1") = "3"
    & skf21("3","4","4","4","2","3","5","1") = "4"
    & skf21("3","4","4","4","2","3","6","1") = "5"
    & skf21("3","4","4","4","2","3","7","1") = "6"
    & skf21("3","4","4","4","2","4","1","1") = "3"
    & skf21("3","4","4","4","2","4","2","1") = "3"
    & skf21("3","4","4","4","2","4","3","1") = "3"
    & skf21("3","4","4","4","2","4","4","1") = "3"
    & skf21("3","4","4","4","2","4","5","1") = "4"
    & skf21("3","4","4","4","2","4","6","1") = "5"
    & skf21("3","4","4","4","2","4","7","1") = "6"
    & skf21("3","4","4","4","2","5","1","1") = "4"
    & skf21("3","4","4","4","2","5","2","1") = "4"
    & skf21("3","4","4","4","2","5","3","1") = "4"
    & skf21("3","4","4","4","2","5","4","1") = "4"
    & skf21("3","4","4","4","2","5","5","1") = "4"
    & skf21("3","4","4","4","2","5","6","1") = "5"
    & skf21("3","4","4","4","2","5","7","1") = "6"
    & skf21("3","4","4","4","2","6","1","1") = "5"
    & skf21("3","4","4","4","2","6","2","1") = "5"
    & skf21("3","4","4","4","2","6","3","1") = "5"
    & skf21("3","4","4","4","2","6","4","1") = "5"
    & skf21("3","4","4","4","2","6","5","1") = "5"
    & skf21("3","4","4","4","2","6","6","1") = "5"
    & skf21("3","4","4","4","2","6","7","1") = "6"
    & skf21("3","4","4","4","2","7","1","1") = "6"
    & skf21("3","4","4","4","2","7","2","1") = "6"
    & skf21("3","4","4","4","2","7","3","1") = "6"
    & skf21("3","4","4","4","2","7","4","1") = "6"
    & skf21("3","4","4","4","2","7","5","1") = "6"
    & skf21("3","4","4","4","2","7","6","1") = "6"
    & skf21("3","4","4","4","2","7","7","1") = "6"
    & skf21("3","4","4","4","3","1","1","1") = "3"
    & skf21("3","4","4","4","3","1","2","1") = "3"
    & skf21("3","4","4","4","3","1","3","1") = "3"
    & skf21("3","4","4","4","3","1","4","1") = "3"
    & skf21("3","4","4","4","3","1","5","1") = "4"
    & skf21("3","4","4","4","3","1","6","1") = "5"
    & skf21("3","4","4","4","3","1","7","1") = "6"
    & skf21("3","4","4","4","3","2","1","1") = "3"
    & skf21("3","4","4","4","3","2","2","1") = "3"
    & skf21("3","4","4","4","3","2","3","1") = "3"
    & skf21("3","4","4","4","3","2","4","1") = "3"
    & skf21("3","4","4","4","3","2","5","1") = "4"
    & skf21("3","4","4","4","3","2","6","1") = "5"
    & skf21("3","4","4","4","3","2","7","1") = "6"
    & skf21("3","4","4","4","3","3","1","1") = "3"
    & skf21("3","4","4","4","3","3","2","1") = "3"
    & skf21("3","4","4","4","3","3","3","1") = "3"
    & skf21("3","4","4","4","3","3","4","1") = "3"
    & skf21("3","4","4","4","3","3","5","1") = "4"
    & skf21("3","4","4","4","3","3","6","1") = "5"
    & skf21("3","4","4","4","3","3","7","1") = "6"
    & skf21("3","4","4","4","3","4","1","1") = "3"
    & skf21("3","4","4","4","3","4","2","1") = "3"
    & skf21("3","4","4","4","3","4","3","1") = "3"
    & skf21("3","4","4","4","3","4","4","1") = "3"
    & skf21("3","4","4","4","3","4","5","1") = "4"
    & skf21("3","4","4","4","3","4","6","1") = "5"
    & skf21("3","4","4","4","3","4","7","1") = "6"
    & skf21("3","4","4","4","3","5","1","1") = "4"
    & skf21("3","4","4","4","3","5","2","1") = "4"
    & skf21("3","4","4","4","3","5","3","1") = "4"
    & skf21("3","4","4","4","3","5","4","1") = "4"
    & skf21("3","4","4","4","3","5","5","1") = "4"
    & skf21("3","4","4","4","3","5","6","1") = "5"
    & skf21("3","4","4","4","3","5","7","1") = "6"
    & skf21("3","4","4","4","3","6","1","1") = "5"
    & skf21("3","4","4","4","3","6","2","1") = "5"
    & skf21("3","4","4","4","3","6","3","1") = "5"
    & skf21("3","4","4","4","3","6","4","1") = "5"
    & skf21("3","4","4","4","3","6","5","1") = "5"
    & skf21("3","4","4","4","3","6","6","1") = "5"
    & skf21("3","4","4","4","3","6","7","1") = "6"
    & skf21("3","4","4","4","3","7","1","1") = "6"
    & skf21("3","4","4","4","3","7","2","1") = "6"
    & skf21("3","4","4","4","3","7","3","1") = "6"
    & skf21("3","4","4","4","3","7","4","1") = "6"
    & skf21("3","4","4","4","3","7","5","1") = "6"
    & skf21("3","4","4","4","3","7","6","1") = "6"
    & skf21("3","4","4","4","3","7","7","1") = "6"
    & skf21("3","4","4","4","4","1","1","1") = "3"
    & skf21("3","4","4","4","4","1","2","1") = "3"
    & skf21("3","4","4","4","4","1","3","1") = "3"
    & skf21("3","4","4","4","4","1","4","1") = "3"
    & skf21("3","4","4","4","4","1","5","1") = "4"
    & skf21("3","4","4","4","4","1","6","1") = "5"
    & skf21("3","4","4","4","4","1","7","1") = "6"
    & skf21("3","4","4","4","4","2","1","1") = "3"
    & skf21("3","4","4","4","4","2","2","1") = "3"
    & skf21("3","4","4","4","4","2","3","1") = "3"
    & skf21("3","4","4","4","4","2","4","1") = "3"
    & skf21("3","4","4","4","4","2","5","1") = "4"
    & skf21("3","4","4","4","4","2","6","1") = "5"
    & skf21("3","4","4","4","4","2","7","1") = "6"
    & skf21("3","4","4","4","4","3","1","1") = "3"
    & skf21("3","4","4","4","4","3","2","1") = "3"
    & skf21("3","4","4","4","4","3","3","1") = "3"
    & skf21("3","4","4","4","4","3","4","1") = "3"
    & skf21("3","4","4","4","4","3","5","1") = "4"
    & skf21("3","4","4","4","4","3","6","1") = "5"
    & skf21("3","4","4","4","4","3","7","1") = "6"
    & skf21("3","4","4","4","4","4","1","1") = "3"
    & skf21("3","4","4","4","4","4","2","1") = "3"
    & skf21("3","4","4","4","4","4","3","1") = "3"
    & skf21("3","4","4","4","4","4","4","1") = "3"
    & skf21("3","4","4","4","4","4","5","1") = "4"
    & skf21("3","4","4","4","4","4","6","1") = "5"
    & skf21("3","4","4","4","4","4","7","1") = "6"
    & skf21("3","4","4","4","4","5","1","1") = "4"
    & skf21("3","4","4","4","4","5","2","1") = "4"
    & skf21("3","4","4","4","4","5","3","1") = "4"
    & skf21("3","4","4","4","4","5","4","1") = "4"
    & skf21("3","4","4","4","4","5","5","1") = "4"
    & skf21("3","4","4","4","4","5","6","1") = "5"
    & skf21("3","4","4","4","4","5","7","1") = "6"
    & skf21("3","4","4","4","4","6","1","1") = "5"
    & skf21("3","4","4","4","4","6","2","1") = "5"
    & skf21("3","4","4","4","4","6","3","1") = "5"
    & skf21("3","4","4","4","4","6","4","1") = "5"
    & skf21("3","4","4","4","4","6","5","1") = "5"
    & skf21("3","4","4","4","4","6","6","1") = "5"
    & skf21("3","4","4","4","4","6","7","1") = "6"
    & skf21("3","4","4","4","4","7","1","1") = "6"
    & skf21("3","4","4","4","4","7","2","1") = "6"
    & skf21("3","4","4","4","4","7","3","1") = "6"
    & skf21("3","4","4","4","4","7","4","1") = "6"
    & skf21("3","4","4","4","4","7","5","1") = "6"
    & skf21("3","4","4","4","4","7","6","1") = "6"
    & skf21("3","4","4","4","4","7","7","1") = "6"
    & skf21("3","4","4","4","5","1","1","1") = "4"
    & skf21("3","4","4","4","5","1","2","1") = "4"
    & skf21("3","4","4","4","5","1","3","1") = "4"
    & skf21("3","4","4","4","5","1","4","1") = "4"
    & skf21("3","4","4","4","5","1","5","1") = "4"
    & skf21("3","4","4","4","5","1","6","1") = "5"
    & skf21("3","4","4","4","5","1","7","1") = "6"
    & skf21("3","4","4","4","5","2","1","1") = "4"
    & skf21("3","4","4","4","5","2","2","1") = "4"
    & skf21("3","4","4","4","5","2","3","1") = "4"
    & skf21("3","4","4","4","5","2","4","1") = "4"
    & skf21("3","4","4","4","5","2","5","1") = "4"
    & skf21("3","4","4","4","5","2","6","1") = "5"
    & skf21("3","4","4","4","5","2","7","1") = "6"
    & skf21("3","4","4","4","5","3","1","1") = "4"
    & skf21("3","4","4","4","5","3","2","1") = "4"
    & skf21("3","4","4","4","5","3","3","1") = "4"
    & skf21("3","4","4","4","5","3","4","1") = "4"
    & skf21("3","4","4","4","5","3","5","1") = "4"
    & skf21("3","4","4","4","5","3","6","1") = "5"
    & skf21("3","4","4","4","5","3","7","1") = "6"
    & skf21("3","4","4","4","5","4","1","1") = "4"
    & skf21("3","4","4","4","5","4","2","1") = "4"
    & skf21("3","4","4","4","5","4","3","1") = "4"
    & skf21("3","4","4","4","5","4","4","1") = "4"
    & skf21("3","4","4","4","5","4","5","1") = "4"
    & skf21("3","4","4","4","5","4","6","1") = "5"
    & skf21("3","4","4","4","5","4","7","1") = "6"
    & skf21("3","4","4","4","5","5","1","1") = "4"
    & skf21("3","4","4","4","5","5","2","1") = "4"
    & skf21("3","4","4","4","5","5","3","1") = "4"
    & skf21("3","4","4","4","5","5","4","1") = "4"
    & skf21("3","4","4","4","5","5","5","1") = "4"
    & skf21("3","4","4","4","5","5","6","1") = "5"
    & skf21("3","4","4","4","5","5","7","1") = "6"
    & skf21("3","4","4","4","5","6","1","1") = "5"
    & skf21("3","4","4","4","5","6","2","1") = "5"
    & skf21("3","4","4","4","5","6","3","1") = "5"
    & skf21("3","4","4","4","5","6","4","1") = "5"
    & skf21("3","4","4","4","5","6","5","1") = "5"
    & skf21("3","4","4","4","5","6","6","1") = "5"
    & skf21("3","4","4","4","5","6","7","1") = "6"
    & skf21("3","4","4","4","5","7","1","1") = "6"
    & skf21("3","4","4","4","5","7","2","1") = "6"
    & skf21("3","4","4","4","5","7","3","1") = "6"
    & skf21("3","4","4","4","5","7","4","1") = "6"
    & skf21("3","4","4","4","5","7","5","1") = "6"
    & skf21("3","4","4","4","5","7","6","1") = "6"
    & skf21("3","4","4","4","5","7","7","1") = "6"
    & skf21("3","4","4","4","6","1","1","1") = "5"
    & skf21("3","4","4","4","6","1","2","1") = "5"
    & skf21("3","4","4","4","6","1","3","1") = "5"
    & skf21("3","4","4","4","6","1","4","1") = "5"
    & skf21("3","4","4","4","6","1","5","1") = "5"
    & skf21("3","4","4","4","6","1","6","1") = "5"
    & skf21("3","4","4","4","6","1","7","1") = "6"
    & skf21("3","4","4","4","6","2","1","1") = "5"
    & skf21("3","4","4","4","6","2","2","1") = "5"
    & skf21("3","4","4","4","6","2","3","1") = "5"
    & skf21("3","4","4","4","6","2","4","1") = "5"
    & skf21("3","4","4","4","6","2","5","1") = "5"
    & skf21("3","4","4","4","6","2","6","1") = "5"
    & skf21("3","4","4","4","6","2","7","1") = "6"
    & skf21("3","4","4","4","6","3","1","1") = "5"
    & skf21("3","4","4","4","6","3","2","1") = "5"
    & skf21("3","4","4","4","6","3","3","1") = "5"
    & skf21("3","4","4","4","6","3","4","1") = "5"
    & skf21("3","4","4","4","6","3","5","1") = "5"
    & skf21("3","4","4","4","6","3","6","1") = "5"
    & skf21("3","4","4","4","6","3","7","1") = "6"
    & skf21("3","4","4","4","6","4","1","1") = "5"
    & skf21("3","4","4","4","6","4","2","1") = "5"
    & skf21("3","4","4","4","6","4","3","1") = "5"
    & skf21("3","4","4","4","6","4","4","1") = "5"
    & skf21("3","4","4","4","6","4","5","1") = "5"
    & skf21("3","4","4","4","6","4","6","1") = "5"
    & skf21("3","4","4","4","6","4","7","1") = "6"
    & skf21("3","4","4","4","6","5","1","1") = "5"
    & skf21("3","4","4","4","6","5","2","1") = "5"
    & skf21("3","4","4","4","6","5","3","1") = "5"
    & skf21("3","4","4","4","6","5","4","1") = "5"
    & skf21("3","4","4","4","6","5","5","1") = "5"
    & skf21("3","4","4","4","6","5","6","1") = "5"
    & skf21("3","4","4","4","6","5","7","1") = "6"
    & skf21("3","4","4","4","6","6","1","1") = "5"
    & skf21("3","4","4","4","6","6","2","1") = "5"
    & skf21("3","4","4","4","6","6","3","1") = "5"
    & skf21("3","4","4","4","6","6","4","1") = "5"
    & skf21("3","4","4","4","6","6","5","1") = "5"
    & skf21("3","4","4","4","6","6","6","1") = "5"
    & skf21("3","4","4","4","6","6","7","1") = "6"
    & skf21("3","4","4","4","6","7","1","1") = "6"
    & skf21("3","4","4","4","6","7","2","1") = "6"
    & skf21("3","4","4","4","6","7","3","1") = "6"
    & skf21("3","4","4","4","6","7","4","1") = "6"
    & skf21("3","4","4","4","6","7","5","1") = "6"
    & skf21("3","4","4","4","6","7","6","1") = "6"
    & skf21("3","4","4","4","6","7","7","1") = "6"
    & skf21("3","4","4","4","7","1","1","1") = "6"
    & skf21("3","4","4","4","7","1","2","1") = "6"
    & skf21("3","4","4","4","7","1","3","1") = "6"
    & skf21("3","4","4","4","7","1","4","1") = "6"
    & skf21("3","4","4","4","7","1","5","1") = "6"
    & skf21("3","4","4","4","7","1","6","1") = "6"
    & skf21("3","4","4","4","7","1","7","1") = "6"
    & skf21("3","4","4","4","7","2","1","1") = "6"
    & skf21("3","4","4","4","7","2","2","1") = "6"
    & skf21("3","4","4","4","7","2","3","1") = "6"
    & skf21("3","4","4","4","7","2","4","1") = "6"
    & skf21("3","4","4","4","7","2","5","1") = "6"
    & skf21("3","4","4","4","7","2","6","1") = "6"
    & skf21("3","4","4","4","7","2","7","1") = "6"
    & skf21("3","4","4","4","7","3","1","1") = "6"
    & skf21("3","4","4","4","7","3","2","1") = "6"
    & skf21("3","4","4","4","7","3","3","1") = "6"
    & skf21("3","4","4","4","7","3","4","1") = "6"
    & skf21("3","4","4","4","7","3","5","1") = "6"
    & skf21("3","4","4","4","7","3","6","1") = "6"
    & skf21("3","4","4","4","7","3","7","1") = "6"
    & skf21("3","4","4","4","7","4","1","1") = "6"
    & skf21("3","4","4","4","7","4","2","1") = "6"
    & skf21("3","4","4","4","7","4","3","1") = "6"
    & skf21("3","4","4","4","7","4","4","1") = "6"
    & skf21("3","4","4","4","7","4","5","1") = "6"
    & skf21("3","4","4","4","7","4","6","1") = "6"
    & skf21("3","4","4","4","7","4","7","1") = "6"
    & skf21("3","4","4","4","7","5","1","1") = "6"
    & skf21("3","4","4","4","7","5","2","1") = "6"
    & skf21("3","4","4","4","7","5","3","1") = "6"
    & skf21("3","4","4","4","7","5","4","1") = "6"
    & skf21("3","4","4","4","7","5","5","1") = "6"
    & skf21("3","4","4","4","7","5","6","1") = "6"
    & skf21("3","4","4","4","7","5","7","1") = "6"
    & skf21("3","4","4","4","7","6","1","1") = "6"
    & skf21("3","4","4","4","7","6","2","1") = "6"
    & skf21("3","4","4","4","7","6","3","1") = "6"
    & skf21("3","4","4","4","7","6","4","1") = "6"
    & skf21("3","4","4","4","7","6","5","1") = "6"
    & skf21("3","4","4","4","7","6","6","1") = "6"
    & skf21("3","4","4","4","7","6","7","1") = "6"
    & skf21("3","4","4","4","7","7","1","1") = "6"
    & skf21("3","4","4","4","7","7","2","1") = "6"
    & skf21("3","4","4","4","7","7","3","1") = "6"
    & skf21("3","4","4","4","7","7","4","1") = "6"
    & skf21("3","4","4","4","7","7","5","1") = "6"
    & skf21("3","4","4","4","7","7","6","1") = "6"
    & skf21("3","4","4","4","7","7","7","1") = "6"
    & skf21("3","4","4","5","1","1","1","1") = "4"
    & skf21("3","4","4","5","1","1","2","1") = "4"
    & skf21("3","4","4","5","1","1","3","1") = "4"
    & skf21("3","4","4","5","1","1","4","1") = "4"
    & skf21("3","4","4","5","1","1","5","1") = "4"
    & skf21("3","4","4","5","1","1","6","1") = "5"
    & skf21("3","4","4","5","1","1","7","1") = "6"
    & skf21("3","4","4","5","1","2","1","1") = "4"
    & skf21("3","4","4","5","1","2","2","1") = "4"
    & skf21("3","4","4","5","1","2","3","1") = "4"
    & skf21("3","4","4","5","1","2","4","1") = "4"
    & skf21("3","4","4","5","1","2","5","1") = "4"
    & skf21("3","4","4","5","1","2","6","1") = "5"
    & skf21("3","4","4","5","1","2","7","1") = "6"
    & skf21("3","4","4","5","1","3","1","1") = "4"
    & skf21("3","4","4","5","1","3","2","1") = "4"
    & skf21("3","4","4","5","1","3","3","1") = "4"
    & skf21("3","4","4","5","1","3","4","1") = "4"
    & skf21("3","4","4","5","1","3","5","1") = "4"
    & skf21("3","4","4","5","1","3","6","1") = "5"
    & skf21("3","4","4","5","1","3","7","1") = "6"
    & skf21("3","4","4","5","1","4","1","1") = "4"
    & skf21("3","4","4","5","1","4","2","1") = "4"
    & skf21("3","4","4","5","1","4","3","1") = "4"
    & skf21("3","4","4","5","1","4","4","1") = "4"
    & skf21("3","4","4","5","1","4","5","1") = "4"
    & skf21("3","4","4","5","1","4","6","1") = "5"
    & skf21("3","4","4","5","1","4","7","1") = "6"
    & skf21("3","4","4","5","1","5","1","1") = "4"
    & skf21("3","4","4","5","1","5","2","1") = "4"
    & skf21("3","4","4","5","1","5","3","1") = "4"
    & skf21("3","4","4","5","1","5","4","1") = "4"
    & skf21("3","4","4","5","1","5","5","1") = "4"
    & skf21("3","4","4","5","1","5","6","1") = "5"
    & skf21("3","4","4","5","1","5","7","1") = "6"
    & skf21("3","4","4","5","1","6","1","1") = "5"
    & skf21("3","4","4","5","1","6","2","1") = "5"
    & skf21("3","4","4","5","1","6","3","1") = "5"
    & skf21("3","4","4","5","1","6","4","1") = "5"
    & skf21("3","4","4","5","1","6","5","1") = "5"
    & skf21("3","4","4","5","1","6","6","1") = "5"
    & skf21("3","4","4","5","1","6","7","1") = "6"
    & skf21("3","4","4","5","1","7","1","1") = "6"
    & skf21("3","4","4","5","1","7","2","1") = "6"
    & skf21("3","4","4","5","1","7","3","1") = "6"
    & skf21("3","4","4","5","1","7","4","1") = "6"
    & skf21("3","4","4","5","1","7","5","1") = "6"
    & skf21("3","4","4","5","1","7","6","1") = "6"
    & skf21("3","4","4","5","1","7","7","1") = "6"
    & skf21("3","4","4","5","2","1","1","1") = "4"
    & skf21("3","4","4","5","2","1","2","1") = "4"
    & skf21("3","4","4","5","2","1","3","1") = "4"
    & skf21("3","4","4","5","2","1","4","1") = "4"
    & skf21("3","4","4","5","2","1","5","1") = "4"
    & skf21("3","4","4","5","2","1","6","1") = "5"
    & skf21("3","4","4","5","2","1","7","1") = "6"
    & skf21("3","4","4","5","2","2","1","1") = "4"
    & skf21("3","4","4","5","2","2","2","1") = "4"
    & skf21("3","4","4","5","2","2","3","1") = "4"
    & skf21("3","4","4","5","2","2","4","1") = "4"
    & skf21("3","4","4","5","2","2","5","1") = "4"
    & skf21("3","4","4","5","2","2","6","1") = "5"
    & skf21("3","4","4","5","2","2","7","1") = "6"
    & skf21("3","4","4","5","2","3","1","1") = "4"
    & skf21("3","4","4","5","2","3","2","1") = "4"
    & skf21("3","4","4","5","2","3","3","1") = "4"
    & skf21("3","4","4","5","2","3","4","1") = "4"
    & skf21("3","4","4","5","2","3","5","1") = "4"
    & skf21("3","4","4","5","2","3","6","1") = "5"
    & skf21("3","4","4","5","2","3","7","1") = "6"
    & skf21("3","4","4","5","2","4","1","1") = "4"
    & skf21("3","4","4","5","2","4","2","1") = "4"
    & skf21("3","4","4","5","2","4","3","1") = "4"
    & skf21("3","4","4","5","2","4","4","1") = "4"
    & skf21("3","4","4","5","2","4","5","1") = "4"
    & skf21("3","4","4","5","2","4","6","1") = "5"
    & skf21("3","4","4","5","2","4","7","1") = "6"
    & skf21("3","4","4","5","2","5","1","1") = "4"
    & skf21("3","4","4","5","2","5","2","1") = "4"
    & skf21("3","4","4","5","2","5","3","1") = "4"
    & skf21("3","4","4","5","2","5","4","1") = "4"
    & skf21("3","4","4","5","2","5","5","1") = "4"
    & skf21("3","4","4","5","2","5","6","1") = "5"
    & skf21("3","4","4","5","2","5","7","1") = "6"
    & skf21("3","4","4","5","2","6","1","1") = "5"
    & skf21("3","4","4","5","2","6","2","1") = "5"
    & skf21("3","4","4","5","2","6","3","1") = "5"
    & skf21("3","4","4","5","2","6","4","1") = "5"
    & skf21("3","4","4","5","2","6","5","1") = "5"
    & skf21("3","4","4","5","2","6","6","1") = "5"
    & skf21("3","4","4","5","2","6","7","1") = "6"
    & skf21("3","4","4","5","2","7","1","1") = "6"
    & skf21("3","4","4","5","2","7","2","1") = "6"
    & skf21("3","4","4","5","2","7","3","1") = "6"
    & skf21("3","4","4","5","2","7","4","1") = "6"
    & skf21("3","4","4","5","2","7","5","1") = "6"
    & skf21("3","4","4","5","2","7","6","1") = "6"
    & skf21("3","4","4","5","2","7","7","1") = "6"
    & skf21("3","4","4","5","3","1","1","1") = "4"
    & skf21("3","4","4","5","3","1","2","1") = "4"
    & skf21("3","4","4","5","3","1","3","1") = "4"
    & skf21("3","4","4","5","3","1","4","1") = "4"
    & skf21("3","4","4","5","3","1","5","1") = "4"
    & skf21("3","4","4","5","3","1","6","1") = "5"
    & skf21("3","4","4","5","3","1","7","1") = "6"
    & skf21("3","4","4","5","3","2","1","1") = "4"
    & skf21("3","4","4","5","3","2","2","1") = "4"
    & skf21("3","4","4","5","3","2","3","1") = "4"
    & skf21("3","4","4","5","3","2","4","1") = "4"
    & skf21("3","4","4","5","3","2","5","1") = "4"
    & skf21("3","4","4","5","3","2","6","1") = "5"
    & skf21("3","4","4","5","3","2","7","1") = "6"
    & skf21("3","4","4","5","3","3","1","1") = "4"
    & skf21("3","4","4","5","3","3","2","1") = "4"
    & skf21("3","4","4","5","3","3","3","1") = "4"
    & skf21("3","4","4","5","3","3","4","1") = "4"
    & skf21("3","4","4","5","3","3","5","1") = "4"
    & skf21("3","4","4","5","3","3","6","1") = "5"
    & skf21("3","4","4","5","3","3","7","1") = "6"
    & skf21("3","4","4","5","3","4","1","1") = "4"
    & skf21("3","4","4","5","3","4","2","1") = "4"
    & skf21("3","4","4","5","3","4","3","1") = "4"
    & skf21("3","4","4","5","3","4","4","1") = "4"
    & skf21("3","4","4","5","3","4","5","1") = "4"
    & skf21("3","4","4","5","3","4","6","1") = "5"
    & skf21("3","4","4","5","3","4","7","1") = "6"
    & skf21("3","4","4","5","3","5","1","1") = "4"
    & skf21("3","4","4","5","3","5","2","1") = "4"
    & skf21("3","4","4","5","3","5","3","1") = "4"
    & skf21("3","4","4","5","3","5","4","1") = "4"
    & skf21("3","4","4","5","3","5","5","1") = "4"
    & skf21("3","4","4","5","3","5","6","1") = "5"
    & skf21("3","4","4","5","3","5","7","1") = "6"
    & skf21("3","4","4","5","3","6","1","1") = "5"
    & skf21("3","4","4","5","3","6","2","1") = "5"
    & skf21("3","4","4","5","3","6","3","1") = "5"
    & skf21("3","4","4","5","3","6","4","1") = "5"
    & skf21("3","4","4","5","3","6","5","1") = "5"
    & skf21("3","4","4","5","3","6","6","1") = "5"
    & skf21("3","4","4","5","3","6","7","1") = "6"
    & skf21("3","4","4","5","3","7","1","1") = "6"
    & skf21("3","4","4","5","3","7","2","1") = "6"
    & skf21("3","4","4","5","3","7","3","1") = "6"
    & skf21("3","4","4","5","3","7","4","1") = "6"
    & skf21("3","4","4","5","3","7","5","1") = "6"
    & skf21("3","4","4","5","3","7","6","1") = "6"
    & skf21("3","4","4","5","3","7","7","1") = "6"
    & skf21("3","4","4","5","4","1","1","1") = "4"
    & skf21("3","4","4","5","4","1","2","1") = "4"
    & skf21("3","4","4","5","4","1","3","1") = "4"
    & skf21("3","4","4","5","4","1","4","1") = "4"
    & skf21("3","4","4","5","4","1","5","1") = "4"
    & skf21("3","4","4","5","4","1","6","1") = "5"
    & skf21("3","4","4","5","4","1","7","1") = "6"
    & skf21("3","4","4","5","4","2","1","1") = "4"
    & skf21("3","4","4","5","4","2","2","1") = "4"
    & skf21("3","4","4","5","4","2","3","1") = "4"
    & skf21("3","4","4","5","4","2","4","1") = "4"
    & skf21("3","4","4","5","4","2","5","1") = "4"
    & skf21("3","4","4","5","4","2","6","1") = "5"
    & skf21("3","4","4","5","4","2","7","1") = "6"
    & skf21("3","4","4","5","4","3","1","1") = "4"
    & skf21("3","4","4","5","4","3","2","1") = "4"
    & skf21("3","4","4","5","4","3","3","1") = "4"
    & skf21("3","4","4","5","4","3","4","1") = "4"
    & skf21("3","4","4","5","4","3","5","1") = "4"
    & skf21("3","4","4","5","4","3","6","1") = "5"
    & skf21("3","4","4","5","4","3","7","1") = "6"
    & skf21("3","4","4","5","4","4","1","1") = "4"
    & skf21("3","4","4","5","4","4","2","1") = "4"
    & skf21("3","4","4","5","4","4","3","1") = "4"
    & skf21("3","4","4","5","4","4","4","1") = "4"
    & skf21("3","4","4","5","4","4","5","1") = "4"
    & skf21("3","4","4","5","4","4","6","1") = "5"
    & skf21("3","4","4","5","4","4","7","1") = "6"
    & skf21("3","4","4","5","4","5","1","1") = "4"
    & skf21("3","4","4","5","4","5","2","1") = "4"
    & skf21("3","4","4","5","4","5","3","1") = "4"
    & skf21("3","4","4","5","4","5","4","1") = "4"
    & skf21("3","4","4","5","4","5","5","1") = "4"
    & skf21("3","4","4","5","4","5","6","1") = "5"
    & skf21("3","4","4","5","4","5","7","1") = "6"
    & skf21("3","4","4","5","4","6","1","1") = "5"
    & skf21("3","4","4","5","4","6","2","1") = "5"
    & skf21("3","4","4","5","4","6","3","1") = "5"
    & skf21("3","4","4","5","4","6","4","1") = "5"
    & skf21("3","4","4","5","4","6","5","1") = "5"
    & skf21("3","4","4","5","4","6","6","1") = "5"
    & skf21("3","4","4","5","4","6","7","1") = "6"
    & skf21("3","4","4","5","4","7","1","1") = "6"
    & skf21("3","4","4","5","4","7","2","1") = "6"
    & skf21("3","4","4","5","4","7","3","1") = "6"
    & skf21("3","4","4","5","4","7","4","1") = "6"
    & skf21("3","4","4","5","4","7","5","1") = "6"
    & skf21("3","4","4","5","4","7","6","1") = "6"
    & skf21("3","4","4","5","4","7","7","1") = "6"
    & skf21("3","4","4","5","5","1","1","1") = "4"
    & skf21("3","4","4","5","5","1","2","1") = "4"
    & skf21("3","4","4","5","5","1","3","1") = "4"
    & skf21("3","4","4","5","5","1","4","1") = "4"
    & skf21("3","4","4","5","5","1","5","1") = "4"
    & skf21("3","4","4","5","5","1","6","1") = "5"
    & skf21("3","4","4","5","5","1","7","1") = "6"
    & skf21("3","4","4","5","5","2","1","1") = "4"
    & skf21("3","4","4","5","5","2","2","1") = "4"
    & skf21("3","4","4","5","5","2","3","1") = "4"
    & skf21("3","4","4","5","5","2","4","1") = "4"
    & skf21("3","4","4","5","5","2","5","1") = "4"
    & skf21("3","4","4","5","5","2","6","1") = "5"
    & skf21("3","4","4","5","5","2","7","1") = "6"
    & skf21("3","4","4","5","5","3","1","1") = "4"
    & skf21("3","4","4","5","5","3","2","1") = "4"
    & skf21("3","4","4","5","5","3","3","1") = "4"
    & skf21("3","4","4","5","5","3","4","1") = "4"
    & skf21("3","4","4","5","5","3","5","1") = "4"
    & skf21("3","4","4","5","5","3","6","1") = "5"
    & skf21("3","4","4","5","5","3","7","1") = "6"
    & skf21("3","4","4","5","5","4","1","1") = "4"
    & skf21("3","4","4","5","5","4","2","1") = "4"
    & skf21("3","4","4","5","5","4","3","1") = "4"
    & skf21("3","4","4","5","5","4","4","1") = "4"
    & skf21("3","4","4","5","5","4","5","1") = "4"
    & skf21("3","4","4","5","5","4","6","1") = "5"
    & skf21("3","4","4","5","5","4","7","1") = "6"
    & skf21("3","4","4","5","5","5","1","1") = "4"
    & skf21("3","4","4","5","5","5","2","1") = "4"
    & skf21("3","4","4","5","5","5","3","1") = "4"
    & skf21("3","4","4","5","5","5","4","1") = "4"
    & skf21("3","4","4","5","5","5","5","1") = "4"
    & skf21("3","4","4","5","5","5","6","1") = "5"
    & skf21("3","4","4","5","5","5","7","1") = "6"
    & skf21("3","4","4","5","5","6","1","1") = "5"
    & skf21("3","4","4","5","5","6","2","1") = "5"
    & skf21("3","4","4","5","5","6","3","1") = "5"
    & skf21("3","4","4","5","5","6","4","1") = "5"
    & skf21("3","4","4","5","5","6","5","1") = "5"
    & skf21("3","4","4","5","5","6","6","1") = "5"
    & skf21("3","4","4","5","5","6","7","1") = "6"
    & skf21("3","4","4","5","5","7","1","1") = "6"
    & skf21("3","4","4","5","5","7","2","1") = "6"
    & skf21("3","4","4","5","5","7","3","1") = "6"
    & skf21("3","4","4","5","5","7","4","1") = "6"
    & skf21("3","4","4","5","5","7","5","1") = "6"
    & skf21("3","4","4","5","5","7","6","1") = "6"
    & skf21("3","4","4","5","5","7","7","1") = "6"
    & skf21("3","4","4","5","6","1","1","1") = "5"
    & skf21("3","4","4","5","6","1","2","1") = "5"
    & skf21("3","4","4","5","6","1","3","1") = "5"
    & skf21("3","4","4","5","6","1","4","1") = "5"
    & skf21("3","4","4","5","6","1","5","1") = "5"
    & skf21("3","4","4","5","6","1","6","1") = "5"
    & skf21("3","4","4","5","6","1","7","1") = "6"
    & skf21("3","4","4","5","6","2","1","1") = "5"
    & skf21("3","4","4","5","6","2","2","1") = "5"
    & skf21("3","4","4","5","6","2","3","1") = "5"
    & skf21("3","4","4","5","6","2","4","1") = "5"
    & skf21("3","4","4","5","6","2","5","1") = "5"
    & skf21("3","4","4","5","6","2","6","1") = "5"
    & skf21("3","4","4","5","6","2","7","1") = "6"
    & skf21("3","4","4","5","6","3","1","1") = "5"
    & skf21("3","4","4","5","6","3","2","1") = "5"
    & skf21("3","4","4","5","6","3","3","1") = "5"
    & skf21("3","4","4","5","6","3","4","1") = "5"
    & skf21("3","4","4","5","6","3","5","1") = "5"
    & skf21("3","4","4","5","6","3","6","1") = "5"
    & skf21("3","4","4","5","6","3","7","1") = "6"
    & skf21("3","4","4","5","6","4","1","1") = "5"
    & skf21("3","4","4","5","6","4","2","1") = "5"
    & skf21("3","4","4","5","6","4","3","1") = "5"
    & skf21("3","4","4","5","6","4","4","1") = "5"
    & skf21("3","4","4","5","6","4","5","1") = "5"
    & skf21("3","4","4","5","6","4","6","1") = "5"
    & skf21("3","4","4","5","6","4","7","1") = "6"
    & skf21("3","4","4","5","6","5","1","1") = "5"
    & skf21("3","4","4","5","6","5","2","1") = "5"
    & skf21("3","4","4","5","6","5","3","1") = "5"
    & skf21("3","4","4","5","6","5","4","1") = "5"
    & skf21("3","4","4","5","6","5","5","1") = "5"
    & skf21("3","4","4","5","6","5","6","1") = "5"
    & skf21("3","4","4","5","6","5","7","1") = "6"
    & skf21("3","4","4","5","6","6","1","1") = "5"
    & skf21("3","4","4","5","6","6","2","1") = "5"
    & skf21("3","4","4","5","6","6","3","1") = "5"
    & skf21("3","4","4","5","6","6","4","1") = "5"
    & skf21("3","4","4","5","6","6","5","1") = "5"
    & skf21("3","4","4","5","6","6","6","1") = "5"
    & skf21("3","4","4","5","6","6","7","1") = "6"
    & skf21("3","4","4","5","6","7","1","1") = "6"
    & skf21("3","4","4","5","6","7","2","1") = "6"
    & skf21("3","4","4","5","6","7","3","1") = "6"
    & skf21("3","4","4","5","6","7","4","1") = "6"
    & skf21("3","4","4","5","6","7","5","1") = "6"
    & skf21("3","4","4","5","6","7","6","1") = "6"
    & skf21("3","4","4","5","6","7","7","1") = "6"
    & skf21("3","4","4","5","7","1","1","1") = "6"
    & skf21("3","4","4","5","7","1","2","1") = "6"
    & skf21("3","4","4","5","7","1","3","1") = "6"
    & skf21("3","4","4","5","7","1","4","1") = "6"
    & skf21("3","4","4","5","7","1","5","1") = "6"
    & skf21("3","4","4","5","7","1","6","1") = "6"
    & skf21("3","4","4","5","7","1","7","1") = "6"
    & skf21("3","4","4","5","7","2","1","1") = "6"
    & skf21("3","4","4","5","7","2","2","1") = "6"
    & skf21("3","4","4","5","7","2","3","1") = "6"
    & skf21("3","4","4","5","7","2","4","1") = "6"
    & skf21("3","4","4","5","7","2","5","1") = "6"
    & skf21("3","4","4","5","7","2","6","1") = "6"
    & skf21("3","4","4","5","7","2","7","1") = "6"
    & skf21("3","4","4","5","7","3","1","1") = "6"
    & skf21("3","4","4","5","7","3","2","1") = "6"
    & skf21("3","4","4","5","7","3","3","1") = "6"
    & skf21("3","4","4","5","7","3","4","1") = "6"
    & skf21("3","4","4","5","7","3","5","1") = "6"
    & skf21("3","4","4","5","7","3","6","1") = "6"
    & skf21("3","4","4","5","7","3","7","1") = "6"
    & skf21("3","4","4","5","7","4","1","1") = "6"
    & skf21("3","4","4","5","7","4","2","1") = "6"
    & skf21("3","4","4","5","7","4","3","1") = "6"
    & skf21("3","4","4","5","7","4","4","1") = "6"
    & skf21("3","4","4","5","7","4","5","1") = "6"
    & skf21("3","4","4","5","7","4","6","1") = "6"
    & skf21("3","4","4","5","7","4","7","1") = "6"
    & skf21("3","4","4","5","7","5","1","1") = "6"
    & skf21("3","4","4","5","7","5","2","1") = "6"
    & skf21("3","4","4","5","7","5","3","1") = "6"
    & skf21("3","4","4","5","7","5","4","1") = "6"
    & skf21("3","4","4","5","7","5","5","1") = "6"
    & skf21("3","4","4","5","7","5","6","1") = "6"
    & skf21("3","4","4","5","7","5","7","1") = "6"
    & skf21("3","4","4","5","7","6","1","1") = "6"
    & skf21("3","4","4","5","7","6","2","1") = "6"
    & skf21("3","4","4","5","7","6","3","1") = "6"
    & skf21("3","4","4","5","7","6","4","1") = "6"
    & skf21("3","4","4","5","7","6","5","1") = "6"
    & skf21("3","4","4","5","7","6","6","1") = "6"
    & skf21("3","4","4","5","7","6","7","1") = "6"
    & skf21("3","4","4","5","7","7","1","1") = "6"
    & skf21("3","4","4","5","7","7","2","1") = "6"
    & skf21("3","4","4","5","7","7","3","1") = "6"
    & skf21("3","4","4","5","7","7","4","1") = "6"
    & skf21("3","4","4","5","7","7","5","1") = "6"
    & skf21("3","4","4","5","7","7","6","1") = "6"
    & skf21("3","4","4","5","7","7","7","1") = "6"
    & skf21("3","4","4","6","1","1","1","1") = "5"
    & skf21("3","4","4","6","1","1","2","1") = "5"
    & skf21("3","4","4","6","1","1","3","1") = "5"
    & skf21("3","4","4","6","1","1","4","1") = "5"
    & skf21("3","4","4","6","1","1","5","1") = "5"
    & skf21("3","4","4","6","1","1","6","1") = "5"
    & skf21("3","4","4","6","1","1","7","1") = "6"
    & skf21("3","4","4","6","1","2","1","1") = "5"
    & skf21("3","4","4","6","1","2","2","1") = "5"
    & skf21("3","4","4","6","1","2","3","1") = "5"
    & skf21("3","4","4","6","1","2","4","1") = "5"
    & skf21("3","4","4","6","1","2","5","1") = "5"
    & skf21("3","4","4","6","1","2","6","1") = "5"
    & skf21("3","4","4","6","1","2","7","1") = "6"
    & skf21("3","4","4","6","1","3","1","1") = "5"
    & skf21("3","4","4","6","1","3","2","1") = "5"
    & skf21("3","4","4","6","1","3","3","1") = "5"
    & skf21("3","4","4","6","1","3","4","1") = "5"
    & skf21("3","4","4","6","1","3","5","1") = "5"
    & skf21("3","4","4","6","1","3","6","1") = "5"
    & skf21("3","4","4","6","1","3","7","1") = "6"
    & skf21("3","4","4","6","1","4","1","1") = "5"
    & skf21("3","4","4","6","1","4","2","1") = "5"
    & skf21("3","4","4","6","1","4","3","1") = "5"
    & skf21("3","4","4","6","1","4","4","1") = "5"
    & skf21("3","4","4","6","1","4","5","1") = "5"
    & skf21("3","4","4","6","1","4","6","1") = "5"
    & skf21("3","4","4","6","1","4","7","1") = "6"
    & skf21("3","4","4","6","1","5","1","1") = "5"
    & skf21("3","4","4","6","1","5","2","1") = "5"
    & skf21("3","4","4","6","1","5","3","1") = "5"
    & skf21("3","4","4","6","1","5","4","1") = "5"
    & skf21("3","4","4","6","1","5","5","1") = "5"
    & skf21("3","4","4","6","1","5","6","1") = "5"
    & skf21("3","4","4","6","1","5","7","1") = "6"
    & skf21("3","4","4","6","1","6","1","1") = "5"
    & skf21("3","4","4","6","1","6","2","1") = "5"
    & skf21("3","4","4","6","1","6","3","1") = "5"
    & skf21("3","4","4","6","1","6","4","1") = "5"
    & skf21("3","4","4","6","1","6","5","1") = "5"
    & skf21("3","4","4","6","1","6","6","1") = "5"
    & skf21("3","4","4","6","1","6","7","1") = "6"
    & skf21("3","4","4","6","1","7","1","1") = "6"
    & skf21("3","4","4","6","1","7","2","1") = "6"
    & skf21("3","4","4","6","1","7","3","1") = "6"
    & skf21("3","4","4","6","1","7","4","1") = "6"
    & skf21("3","4","4","6","1","7","5","1") = "6"
    & skf21("3","4","4","6","1","7","6","1") = "6"
    & skf21("3","4","4","6","1","7","7","1") = "6"
    & skf21("3","4","4","6","2","1","1","1") = "5"
    & skf21("3","4","4","6","2","1","2","1") = "5"
    & skf21("3","4","4","6","2","1","3","1") = "5"
    & skf21("3","4","4","6","2","1","4","1") = "5"
    & skf21("3","4","4","6","2","1","5","1") = "5"
    & skf21("3","4","4","6","2","1","6","1") = "5"
    & skf21("3","4","4","6","2","1","7","1") = "6"
    & skf21("3","4","4","6","2","2","1","1") = "5"
    & skf21("3","4","4","6","2","2","2","1") = "5"
    & skf21("3","4","4","6","2","2","3","1") = "5"
    & skf21("3","4","4","6","2","2","4","1") = "5"
    & skf21("3","4","4","6","2","2","5","1") = "5"
    & skf21("3","4","4","6","2","2","6","1") = "5"
    & skf21("3","4","4","6","2","2","7","1") = "6"
    & skf21("3","4","4","6","2","3","1","1") = "5"
    & skf21("3","4","4","6","2","3","2","1") = "5"
    & skf21("3","4","4","6","2","3","3","1") = "5"
    & skf21("3","4","4","6","2","3","4","1") = "5"
    & skf21("3","4","4","6","2","3","5","1") = "5"
    & skf21("3","4","4","6","2","3","6","1") = "5"
    & skf21("3","4","4","6","2","3","7","1") = "6"
    & skf21("3","4","4","6","2","4","1","1") = "5"
    & skf21("3","4","4","6","2","4","2","1") = "5"
    & skf21("3","4","4","6","2","4","3","1") = "5"
    & skf21("3","4","4","6","2","4","4","1") = "5"
    & skf21("3","4","4","6","2","4","5","1") = "5"
    & skf21("3","4","4","6","2","4","6","1") = "5"
    & skf21("3","4","4","6","2","4","7","1") = "6"
    & skf21("3","4","4","6","2","5","1","1") = "5"
    & skf21("3","4","4","6","2","5","2","1") = "5"
    & skf21("3","4","4","6","2","5","3","1") = "5"
    & skf21("3","4","4","6","2","5","4","1") = "5"
    & skf21("3","4","4","6","2","5","5","1") = "5"
    & skf21("3","4","4","6","2","5","6","1") = "5"
    & skf21("3","4","4","6","2","5","7","1") = "6"
    & skf21("3","4","4","6","2","6","1","1") = "5"
    & skf21("3","4","4","6","2","6","2","1") = "5"
    & skf21("3","4","4","6","2","6","3","1") = "5"
    & skf21("3","4","4","6","2","6","4","1") = "5"
    & skf21("3","4","4","6","2","6","5","1") = "5"
    & skf21("3","4","4","6","2","6","6","1") = "5"
    & skf21("3","4","4","6","2","6","7","1") = "6"
    & skf21("3","4","4","6","2","7","1","1") = "6"
    & skf21("3","4","4","6","2","7","2","1") = "6"
    & skf21("3","4","4","6","2","7","3","1") = "6"
    & skf21("3","4","4","6","2","7","4","1") = "6"
    & skf21("3","4","4","6","2","7","5","1") = "6"
    & skf21("3","4","4","6","2","7","6","1") = "6"
    & skf21("3","4","4","6","2","7","7","1") = "6"
    & skf21("3","4","4","6","3","1","1","1") = "5"
    & skf21("3","4","4","6","3","1","2","1") = "5"
    & skf21("3","4","4","6","3","1","3","1") = "5"
    & skf21("3","4","4","6","3","1","4","1") = "5"
    & skf21("3","4","4","6","3","1","5","1") = "5"
    & skf21("3","4","4","6","3","1","6","1") = "5"
    & skf21("3","4","4","6","3","1","7","1") = "6"
    & skf21("3","4","4","6","3","2","1","1") = "5"
    & skf21("3","4","4","6","3","2","2","1") = "5"
    & skf21("3","4","4","6","3","2","3","1") = "5"
    & skf21("3","4","4","6","3","2","4","1") = "5"
    & skf21("3","4","4","6","3","2","5","1") = "5"
    & skf21("3","4","4","6","3","2","6","1") = "5"
    & skf21("3","4","4","6","3","2","7","1") = "6"
    & skf21("3","4","4","6","3","3","1","1") = "5"
    & skf21("3","4","4","6","3","3","2","1") = "5"
    & skf21("3","4","4","6","3","3","3","1") = "5"
    & skf21("3","4","4","6","3","3","4","1") = "5"
    & skf21("3","4","4","6","3","3","5","1") = "5"
    & skf21("3","4","4","6","3","3","6","1") = "5"
    & skf21("3","4","4","6","3","3","7","1") = "6"
    & skf21("3","4","4","6","3","4","1","1") = "5"
    & skf21("3","4","4","6","3","4","2","1") = "5"
    & skf21("3","4","4","6","3","4","3","1") = "5"
    & skf21("3","4","4","6","3","4","4","1") = "5"
    & skf21("3","4","4","6","3","4","5","1") = "5"
    & skf21("3","4","4","6","3","4","6","1") = "5"
    & skf21("3","4","4","6","3","4","7","1") = "6"
    & skf21("3","4","4","6","3","5","1","1") = "5"
    & skf21("3","4","4","6","3","5","2","1") = "5"
    & skf21("3","4","4","6","3","5","3","1") = "5"
    & skf21("3","4","4","6","3","5","4","1") = "5"
    & skf21("3","4","4","6","3","5","5","1") = "5"
    & skf21("3","4","4","6","3","5","6","1") = "5"
    & skf21("3","4","4","6","3","5","7","1") = "6"
    & skf21("3","4","4","6","3","6","1","1") = "5"
    & skf21("3","4","4","6","3","6","2","1") = "5"
    & skf21("3","4","4","6","3","6","3","1") = "5"
    & skf21("3","4","4","6","3","6","4","1") = "5"
    & skf21("3","4","4","6","3","6","5","1") = "5"
    & skf21("3","4","4","6","3","6","6","1") = "5"
    & skf21("3","4","4","6","3","6","7","1") = "6"
    & skf21("3","4","4","6","3","7","1","1") = "6"
    & skf21("3","4","4","6","3","7","2","1") = "6"
    & skf21("3","4","4","6","3","7","3","1") = "6"
    & skf21("3","4","4","6","3","7","4","1") = "6"
    & skf21("3","4","4","6","3","7","5","1") = "6"
    & skf21("3","4","4","6","3","7","6","1") = "6"
    & skf21("3","4","4","6","3","7","7","1") = "6"
    & skf21("3","4","4","6","4","1","1","1") = "5"
    & skf21("3","4","4","6","4","1","2","1") = "5"
    & skf21("3","4","4","6","4","1","3","1") = "5"
    & skf21("3","4","4","6","4","1","4","1") = "5"
    & skf21("3","4","4","6","4","1","5","1") = "5"
    & skf21("3","4","4","6","4","1","6","1") = "5"
    & skf21("3","4","4","6","4","1","7","1") = "6"
    & skf21("3","4","4","6","4","2","1","1") = "5"
    & skf21("3","4","4","6","4","2","2","1") = "5"
    & skf21("3","4","4","6","4","2","3","1") = "5"
    & skf21("3","4","4","6","4","2","4","1") = "5"
    & skf21("3","4","4","6","4","2","5","1") = "5"
    & skf21("3","4","4","6","4","2","6","1") = "5"
    & skf21("3","4","4","6","4","2","7","1") = "6"
    & skf21("3","4","4","6","4","3","1","1") = "5"
    & skf21("3","4","4","6","4","3","2","1") = "5"
    & skf21("3","4","4","6","4","3","3","1") = "5"
    & skf21("3","4","4","6","4","3","4","1") = "5"
    & skf21("3","4","4","6","4","3","5","1") = "5"
    & skf21("3","4","4","6","4","3","6","1") = "5"
    & skf21("3","4","4","6","4","3","7","1") = "6"
    & skf21("3","4","4","6","4","4","1","1") = "5"
    & skf21("3","4","4","6","4","4","2","1") = "5"
    & skf21("3","4","4","6","4","4","3","1") = "5"
    & skf21("3","4","4","6","4","4","4","1") = "5"
    & skf21("3","4","4","6","4","4","5","1") = "5"
    & skf21("3","4","4","6","4","4","6","1") = "5"
    & skf21("3","4","4","6","4","4","7","1") = "6"
    & skf21("3","4","4","6","4","5","1","1") = "5"
    & skf21("3","4","4","6","4","5","2","1") = "5"
    & skf21("3","4","4","6","4","5","3","1") = "5"
    & skf21("3","4","4","6","4","5","4","1") = "5"
    & skf21("3","4","4","6","4","5","5","1") = "5"
    & skf21("3","4","4","6","4","5","6","1") = "5"
    & skf21("3","4","4","6","4","5","7","1") = "6"
    & skf21("3","4","4","6","4","6","1","1") = "5"
    & skf21("3","4","4","6","4","6","2","1") = "5"
    & skf21("3","4","4","6","4","6","3","1") = "5"
    & skf21("3","4","4","6","4","6","4","1") = "5"
    & skf21("3","4","4","6","4","6","5","1") = "5"
    & skf21("3","4","4","6","4","6","6","1") = "5"
    & skf21("3","4","4","6","4","6","7","1") = "6"
    & skf21("3","4","4","6","4","7","1","1") = "6"
    & skf21("3","4","4","6","4","7","2","1") = "6"
    & skf21("3","4","4","6","4","7","3","1") = "6"
    & skf21("3","4","4","6","4","7","4","1") = "6"
    & skf21("3","4","4","6","4","7","5","1") = "6"
    & skf21("3","4","4","6","4","7","6","1") = "6"
    & skf21("3","4","4","6","4","7","7","1") = "6"
    & skf21("3","4","4","6","5","1","1","1") = "5"
    & skf21("3","4","4","6","5","1","2","1") = "5"
    & skf21("3","4","4","6","5","1","3","1") = "5"
    & skf21("3","4","4","6","5","1","4","1") = "5"
    & skf21("3","4","4","6","5","1","5","1") = "5"
    & skf21("3","4","4","6","5","1","6","1") = "5"
    & skf21("3","4","4","6","5","1","7","1") = "6"
    & skf21("3","4","4","6","5","2","1","1") = "5"
    & skf21("3","4","4","6","5","2","2","1") = "5"
    & skf21("3","4","4","6","5","2","3","1") = "5"
    & skf21("3","4","4","6","5","2","4","1") = "5"
    & skf21("3","4","4","6","5","2","5","1") = "5"
    & skf21("3","4","4","6","5","2","6","1") = "5"
    & skf21("3","4","4","6","5","2","7","1") = "6"
    & skf21("3","4","4","6","5","3","1","1") = "5"
    & skf21("3","4","4","6","5","3","2","1") = "5"
    & skf21("3","4","4","6","5","3","3","1") = "5"
    & skf21("3","4","4","6","5","3","4","1") = "5"
    & skf21("3","4","4","6","5","3","5","1") = "5"
    & skf21("3","4","4","6","5","3","6","1") = "5"
    & skf21("3","4","4","6","5","3","7","1") = "6"
    & skf21("3","4","4","6","5","4","1","1") = "5"
    & skf21("3","4","4","6","5","4","2","1") = "5"
    & skf21("3","4","4","6","5","4","3","1") = "5"
    & skf21("3","4","4","6","5","4","4","1") = "5"
    & skf21("3","4","4","6","5","4","5","1") = "5"
    & skf21("3","4","4","6","5","4","6","1") = "5"
    & skf21("3","4","4","6","5","4","7","1") = "6"
    & skf21("3","4","4","6","5","5","1","1") = "5"
    & skf21("3","4","4","6","5","5","2","1") = "5"
    & skf21("3","4","4","6","5","5","3","1") = "5"
    & skf21("3","4","4","6","5","5","4","1") = "5"
    & skf21("3","4","4","6","5","5","5","1") = "5"
    & skf21("3","4","4","6","5","5","6","1") = "5"
    & skf21("3","4","4","6","5","5","7","1") = "6"
    & skf21("3","4","4","6","5","6","1","1") = "5"
    & skf21("3","4","4","6","5","6","2","1") = "5"
    & skf21("3","4","4","6","5","6","3","1") = "5"
    & skf21("3","4","4","6","5","6","4","1") = "5"
    & skf21("3","4","4","6","5","6","5","1") = "5"
    & skf21("3","4","4","6","5","6","6","1") = "5"
    & skf21("3","4","4","6","5","6","7","1") = "6"
    & skf21("3","4","4","6","5","7","1","1") = "6"
    & skf21("3","4","4","6","5","7","2","1") = "6"
    & skf21("3","4","4","6","5","7","3","1") = "6"
    & skf21("3","4","4","6","5","7","4","1") = "6"
    & skf21("3","4","4","6","5","7","5","1") = "6"
    & skf21("3","4","4","6","5","7","6","1") = "6"
    & skf21("3","4","4","6","5","7","7","1") = "6"
    & skf21("3","4","4","6","6","1","1","1") = "5"
    & skf21("3","4","4","6","6","1","2","1") = "5"
    & skf21("3","4","4","6","6","1","3","1") = "5"
    & skf21("3","4","4","6","6","1","4","1") = "5"
    & skf21("3","4","4","6","6","1","5","1") = "5"
    & skf21("3","4","4","6","6","1","6","1") = "5"
    & skf21("3","4","4","6","6","1","7","1") = "6"
    & skf21("3","4","4","6","6","2","1","1") = "5"
    & skf21("3","4","4","6","6","2","2","1") = "5"
    & skf21("3","4","4","6","6","2","3","1") = "5"
    & skf21("3","4","4","6","6","2","4","1") = "5"
    & skf21("3","4","4","6","6","2","5","1") = "5"
    & skf21("3","4","4","6","6","2","6","1") = "5"
    & skf21("3","4","4","6","6","2","7","1") = "6"
    & skf21("3","4","4","6","6","3","1","1") = "5"
    & skf21("3","4","4","6","6","3","2","1") = "5"
    & skf21("3","4","4","6","6","3","3","1") = "5"
    & skf21("3","4","4","6","6","3","4","1") = "5"
    & skf21("3","4","4","6","6","3","5","1") = "5"
    & skf21("3","4","4","6","6","3","6","1") = "5"
    & skf21("3","4","4","6","6","3","7","1") = "6"
    & skf21("3","4","4","6","6","4","1","1") = "5"
    & skf21("3","4","4","6","6","4","2","1") = "5"
    & skf21("3","4","4","6","6","4","3","1") = "5"
    & skf21("3","4","4","6","6","4","4","1") = "5"
    & skf21("3","4","4","6","6","4","5","1") = "5"
    & skf21("3","4","4","6","6","4","6","1") = "5"
    & skf21("3","4","4","6","6","4","7","1") = "6"
    & skf21("3","4","4","6","6","5","1","1") = "5"
    & skf21("3","4","4","6","6","5","2","1") = "5"
    & skf21("3","4","4","6","6","5","3","1") = "5"
    & skf21("3","4","4","6","6","5","4","1") = "5"
    & skf21("3","4","4","6","6","5","5","1") = "5"
    & skf21("3","4","4","6","6","5","6","1") = "5"
    & skf21("3","4","4","6","6","5","7","1") = "6"
    & skf21("3","4","4","6","6","6","1","1") = "5"
    & skf21("3","4","4","6","6","6","2","1") = "5"
    & skf21("3","4","4","6","6","6","3","1") = "5"
    & skf21("3","4","4","6","6","6","4","1") = "5"
    & skf21("3","4","4","6","6","6","5","1") = "5"
    & skf21("3","4","4","6","6","6","6","1") = "5"
    & skf21("3","4","4","6","6","6","7","1") = "6"
    & skf21("3","4","4","6","6","7","1","1") = "6"
    & skf21("3","4","4","6","6","7","2","1") = "6"
    & skf21("3","4","4","6","6","7","3","1") = "6"
    & skf21("3","4","4","6","6","7","4","1") = "6"
    & skf21("3","4","4","6","6","7","5","1") = "6"
    & skf21("3","4","4","6","6","7","6","1") = "6"
    & skf21("3","4","4","6","6","7","7","1") = "6"
    & skf21("3","4","4","6","7","1","1","1") = "6"
    & skf21("3","4","4","6","7","1","2","1") = "6"
    & skf21("3","4","4","6","7","1","3","1") = "6"
    & skf21("3","4","4","6","7","1","4","1") = "6"
    & skf21("3","4","4","6","7","1","5","1") = "6"
    & skf21("3","4","4","6","7","1","6","1") = "6"
    & skf21("3","4","4","6","7","1","7","1") = "6"
    & skf21("3","4","4","6","7","2","1","1") = "6"
    & skf21("3","4","4","6","7","2","2","1") = "6"
    & skf21("3","4","4","6","7","2","3","1") = "6"
    & skf21("3","4","4","6","7","2","4","1") = "6"
    & skf21("3","4","4","6","7","2","5","1") = "6"
    & skf21("3","4","4","6","7","2","6","1") = "6"
    & skf21("3","4","4","6","7","2","7","1") = "6"
    & skf21("3","4","4","6","7","3","1","1") = "6"
    & skf21("3","4","4","6","7","3","2","1") = "6"
    & skf21("3","4","4","6","7","3","3","1") = "6"
    & skf21("3","4","4","6","7","3","4","1") = "6"
    & skf21("3","4","4","6","7","3","5","1") = "6"
    & skf21("3","4","4","6","7","3","6","1") = "6"
    & skf21("3","4","4","6","7","3","7","1") = "6"
    & skf21("3","4","4","6","7","4","1","1") = "6"
    & skf21("3","4","4","6","7","4","2","1") = "6"
    & skf21("3","4","4","6","7","4","3","1") = "6"
    & skf21("3","4","4","6","7","4","4","1") = "6"
    & skf21("3","4","4","6","7","4","5","1") = "6"
    & skf21("3","4","4","6","7","4","6","1") = "6"
    & skf21("3","4","4","6","7","4","7","1") = "6"
    & skf21("3","4","4","6","7","5","1","1") = "6"
    & skf21("3","4","4","6","7","5","2","1") = "6"
    & skf21("3","4","4","6","7","5","3","1") = "6"
    & skf21("3","4","4","6","7","5","4","1") = "6"
    & skf21("3","4","4","6","7","5","5","1") = "6"
    & skf21("3","4","4","6","7","5","6","1") = "6"
    & skf21("3","4","4","6","7","5","7","1") = "6"
    & skf21("3","4","4","6","7","6","1","1") = "6"
    & skf21("3","4","4","6","7","6","2","1") = "6"
    & skf21("3","4","4","6","7","6","3","1") = "6"
    & skf21("3","4","4","6","7","6","4","1") = "6"
    & skf21("3","4","4","6","7","6","5","1") = "6"
    & skf21("3","4","4","6","7","6","6","1") = "6"
    & skf21("3","4","4","6","7","6","7","1") = "6"
    & skf21("3","4","4","6","7","7","1","1") = "6"
    & skf21("3","4","4","6","7","7","2","1") = "6"
    & skf21("3","4","4","6","7","7","3","1") = "6"
    & skf21("3","4","4","6","7","7","4","1") = "6"
    & skf21("3","4","4","6","7","7","5","1") = "6"
    & skf21("3","4","4","6","7","7","6","1") = "6"
    & skf21("3","4","4","6","7","7","7","1") = "6"
    & skf21("3","4","4","7","1","1","1","1") = "6"
    & skf21("3","4","4","7","1","1","2","1") = "6"
    & skf21("3","4","4","7","1","1","3","1") = "6"
    & skf21("3","4","4","7","1","1","4","1") = "6"
    & skf21("3","4","4","7","1","1","5","1") = "6"
    & skf21("3","4","4","7","1","1","6","1") = "6"
    & skf21("3","4","4","7","1","1","7","1") = "6"
    & skf21("3","4","4","7","1","2","1","1") = "6"
    & skf21("3","4","4","7","1","2","2","1") = "6"
    & skf21("3","4","4","7","1","2","3","1") = "6"
    & skf21("3","4","4","7","1","2","4","1") = "6"
    & skf21("3","4","4","7","1","2","5","1") = "6"
    & skf21("3","4","4","7","1","2","6","1") = "6"
    & skf21("3","4","4","7","1","2","7","1") = "6"
    & skf21("3","4","4","7","1","3","1","1") = "6"
    & skf21("3","4","4","7","1","3","2","1") = "6"
    & skf21("3","4","4","7","1","3","3","1") = "6"
    & skf21("3","4","4","7","1","3","4","1") = "6"
    & skf21("3","4","4","7","1","3","5","1") = "6"
    & skf21("3","4","4","7","1","3","6","1") = "6"
    & skf21("3","4","4","7","1","3","7","1") = "6"
    & skf21("3","4","4","7","1","4","1","1") = "6"
    & skf21("3","4","4","7","1","4","2","1") = "6"
    & skf21("3","4","4","7","1","4","3","1") = "6"
    & skf21("3","4","4","7","1","4","4","1") = "6"
    & skf21("3","4","4","7","1","4","5","1") = "6"
    & skf21("3","4","4","7","1","4","6","1") = "6"
    & skf21("3","4","4","7","1","4","7","1") = "6"
    & skf21("3","4","4","7","1","5","1","1") = "6"
    & skf21("3","4","4","7","1","5","2","1") = "6"
    & skf21("3","4","4","7","1","5","3","1") = "6"
    & skf21("3","4","4","7","1","5","4","1") = "6"
    & skf21("3","4","4","7","1","5","5","1") = "6"
    & skf21("3","4","4","7","1","5","6","1") = "6"
    & skf21("3","4","4","7","1","5","7","1") = "6"
    & skf21("3","4","4","7","1","6","1","1") = "6"
    & skf21("3","4","4","7","1","6","2","1") = "6"
    & skf21("3","4","4","7","1","6","3","1") = "6"
    & skf21("3","4","4","7","1","6","4","1") = "6"
    & skf21("3","4","4","7","1","6","5","1") = "6"
    & skf21("3","4","4","7","1","6","6","1") = "6"
    & skf21("3","4","4","7","1","6","7","1") = "6"
    & skf21("3","4","4","7","1","7","1","1") = "6"
    & skf21("3","4","4","7","1","7","2","1") = "6"
    & skf21("3","4","4","7","1","7","3","1") = "6"
    & skf21("3","4","4","7","1","7","4","1") = "6"
    & skf21("3","4","4","7","1","7","5","1") = "6"
    & skf21("3","4","4","7","1","7","6","1") = "6"
    & skf21("3","4","4","7","1","7","7","1") = "6"
    & skf21("3","4","4","7","2","1","1","1") = "6"
    & skf21("3","4","4","7","2","1","2","1") = "6"
    & skf21("3","4","4","7","2","1","3","1") = "6"
    & skf21("3","4","4","7","2","1","4","1") = "6"
    & skf21("3","4","4","7","2","1","5","1") = "6"
    & skf21("3","4","4","7","2","1","6","1") = "6"
    & skf21("3","4","4","7","2","1","7","1") = "6"
    & skf21("3","4","4","7","2","2","1","1") = "6"
    & skf21("3","4","4","7","2","2","2","1") = "6"
    & skf21("3","4","4","7","2","2","3","1") = "6"
    & skf21("3","4","4","7","2","2","4","1") = "6"
    & skf21("3","4","4","7","2","2","5","1") = "6"
    & skf21("3","4","4","7","2","2","6","1") = "6"
    & skf21("3","4","4","7","2","2","7","1") = "6"
    & skf21("3","4","4","7","2","3","1","1") = "6"
    & skf21("3","4","4","7","2","3","2","1") = "6"
    & skf21("3","4","4","7","2","3","3","1") = "6"
    & skf21("3","4","4","7","2","3","4","1") = "6"
    & skf21("3","4","4","7","2","3","5","1") = "6"
    & skf21("3","4","4","7","2","3","6","1") = "6"
    & skf21("3","4","4","7","2","3","7","1") = "6"
    & skf21("3","4","4","7","2","4","1","1") = "6"
    & skf21("3","4","4","7","2","4","2","1") = "6"
    & skf21("3","4","4","7","2","4","3","1") = "6"
    & skf21("3","4","4","7","2","4","4","1") = "6"
    & skf21("3","4","4","7","2","4","5","1") = "6"
    & skf21("3","4","4","7","2","4","6","1") = "6"
    & skf21("3","4","4","7","2","4","7","1") = "6"
    & skf21("3","4","4","7","2","5","1","1") = "6"
    & skf21("3","4","4","7","2","5","2","1") = "6"
    & skf21("3","4","4","7","2","5","3","1") = "6"
    & skf21("3","4","4","7","2","5","4","1") = "6"
    & skf21("3","4","4","7","2","5","5","1") = "6"
    & skf21("3","4","4","7","2","5","6","1") = "6"
    & skf21("3","4","4","7","2","5","7","1") = "6"
    & skf21("3","4","4","7","2","6","1","1") = "6"
    & skf21("3","4","4","7","2","6","2","1") = "6"
    & skf21("3","4","4","7","2","6","3","1") = "6"
    & skf21("3","4","4","7","2","6","4","1") = "6"
    & skf21("3","4","4","7","2","6","5","1") = "6"
    & skf21("3","4","4","7","2","6","6","1") = "6"
    & skf21("3","4","4","7","2","6","7","1") = "6"
    & skf21("3","4","4","7","2","7","1","1") = "6"
    & skf21("3","4","4","7","2","7","2","1") = "6"
    & skf21("3","4","4","7","2","7","3","1") = "6"
    & skf21("3","4","4","7","2","7","4","1") = "6"
    & skf21("3","4","4","7","2","7","5","1") = "6"
    & skf21("3","4","4","7","2","7","6","1") = "6"
    & skf21("3","4","4","7","2","7","7","1") = "6"
    & skf21("3","4","4","7","3","1","1","1") = "6"
    & skf21("3","4","4","7","3","1","2","1") = "6"
    & skf21("3","4","4","7","3","1","3","1") = "6"
    & skf21("3","4","4","7","3","1","4","1") = "6"
    & skf21("3","4","4","7","3","1","5","1") = "6"
    & skf21("3","4","4","7","3","1","6","1") = "6"
    & skf21("3","4","4","7","3","1","7","1") = "6"
    & skf21("3","4","4","7","3","2","1","1") = "6"
    & skf21("3","4","4","7","3","2","2","1") = "6"
    & skf21("3","4","4","7","3","2","3","1") = "6"
    & skf21("3","4","4","7","3","2","4","1") = "6"
    & skf21("3","4","4","7","3","2","5","1") = "6"
    & skf21("3","4","4","7","3","2","6","1") = "6"
    & skf21("3","4","4","7","3","2","7","1") = "6"
    & skf21("3","4","4","7","3","3","1","1") = "6"
    & skf21("3","4","4","7","3","3","2","1") = "6"
    & skf21("3","4","4","7","3","3","3","1") = "6"
    & skf21("3","4","4","7","3","3","4","1") = "6"
    & skf21("3","4","4","7","3","3","5","1") = "6"
    & skf21("3","4","4","7","3","3","6","1") = "6"
    & skf21("3","4","4","7","3","3","7","1") = "6"
    & skf21("3","4","4","7","3","4","1","1") = "6"
    & skf21("3","4","4","7","3","4","2","1") = "6"
    & skf21("3","4","4","7","3","4","3","1") = "6"
    & skf21("3","4","4","7","3","4","4","1") = "6"
    & skf21("3","4","4","7","3","4","5","1") = "6"
    & skf21("3","4","4","7","3","4","6","1") = "6"
    & skf21("3","4","4","7","3","4","7","1") = "6"
    & skf21("3","4","4","7","3","5","1","1") = "6"
    & skf21("3","4","4","7","3","5","2","1") = "6"
    & skf21("3","4","4","7","3","5","3","1") = "6"
    & skf21("3","4","4","7","3","5","4","1") = "6"
    & skf21("3","4","4","7","3","5","5","1") = "6"
    & skf21("3","4","4","7","3","5","6","1") = "6"
    & skf21("3","4","4","7","3","5","7","1") = "6"
    & skf21("3","4","4","7","3","6","1","1") = "6"
    & skf21("3","4","4","7","3","6","2","1") = "6"
    & skf21("3","4","4","7","3","6","3","1") = "6"
    & skf21("3","4","4","7","3","6","4","1") = "6"
    & skf21("3","4","4","7","3","6","5","1") = "6"
    & skf21("3","4","4","7","3","6","6","1") = "6"
    & skf21("3","4","4","7","3","6","7","1") = "6"
    & skf21("3","4","4","7","3","7","1","1") = "6"
    & skf21("3","4","4","7","3","7","2","1") = "6"
    & skf21("3","4","4","7","3","7","3","1") = "6"
    & skf21("3","4","4","7","3","7","4","1") = "6"
    & skf21("3","4","4","7","3","7","5","1") = "6"
    & skf21("3","4","4","7","3","7","6","1") = "6"
    & skf21("3","4","4","7","3","7","7","1") = "6"
    & skf21("3","4","4","7","4","1","1","1") = "6"
    & skf21("3","4","4","7","4","1","2","1") = "6"
    & skf21("3","4","4","7","4","1","3","1") = "6"
    & skf21("3","4","4","7","4","1","4","1") = "6"
    & skf21("3","4","4","7","4","1","5","1") = "6"
    & skf21("3","4","4","7","4","1","6","1") = "6"
    & skf21("3","4","4","7","4","1","7","1") = "6"
    & skf21("3","4","4","7","4","2","1","1") = "6"
    & skf21("3","4","4","7","4","2","2","1") = "6"
    & skf21("3","4","4","7","4","2","3","1") = "6"
    & skf21("3","4","4","7","4","2","4","1") = "6"
    & skf21("3","4","4","7","4","2","5","1") = "6"
    & skf21("3","4","4","7","4","2","6","1") = "6"
    & skf21("3","4","4","7","4","2","7","1") = "6"
    & skf21("3","4","4","7","4","3","1","1") = "6"
    & skf21("3","4","4","7","4","3","2","1") = "6"
    & skf21("3","4","4","7","4","3","3","1") = "6"
    & skf21("3","4","4","7","4","3","4","1") = "6"
    & skf21("3","4","4","7","4","3","5","1") = "6"
    & skf21("3","4","4","7","4","3","6","1") = "6"
    & skf21("3","4","4","7","4","3","7","1") = "6"
    & skf21("3","4","4","7","4","4","1","1") = "6"
    & skf21("3","4","4","7","4","4","2","1") = "6"
    & skf21("3","4","4","7","4","4","3","1") = "6"
    & skf21("3","4","4","7","4","4","4","1") = "6"
    & skf21("3","4","4","7","4","4","5","1") = "6"
    & skf21("3","4","4","7","4","4","6","1") = "6"
    & skf21("3","4","4","7","4","4","7","1") = "6"
    & skf21("3","4","4","7","4","5","1","1") = "6"
    & skf21("3","4","4","7","4","5","2","1") = "6"
    & skf21("3","4","4","7","4","5","3","1") = "6"
    & skf21("3","4","4","7","4","5","4","1") = "6"
    & skf21("3","4","4","7","4","5","5","1") = "6"
    & skf21("3","4","4","7","4","5","6","1") = "6"
    & skf21("3","4","4","7","4","5","7","1") = "6"
    & skf21("3","4","4","7","4","6","1","1") = "6"
    & skf21("3","4","4","7","4","6","2","1") = "6"
    & skf21("3","4","4","7","4","6","3","1") = "6"
    & skf21("3","4","4","7","4","6","4","1") = "6"
    & skf21("3","4","4","7","4","6","5","1") = "6"
    & skf21("3","4","4","7","4","6","6","1") = "6"
    & skf21("3","4","4","7","4","6","7","1") = "6"
    & skf21("3","4","4","7","4","7","1","1") = "6"
    & skf21("3","4","4","7","4","7","2","1") = "6"
    & skf21("3","4","4","7","4","7","3","1") = "6"
    & skf21("3","4","4","7","4","7","4","1") = "6"
    & skf21("3","4","4","7","4","7","5","1") = "6"
    & skf21("3","4","4","7","4","7","6","1") = "6"
    & skf21("3","4","4","7","4","7","7","1") = "6"
    & skf21("3","4","4","7","5","1","1","1") = "6"
    & skf21("3","4","4","7","5","1","2","1") = "6"
    & skf21("3","4","4","7","5","1","3","1") = "6"
    & skf21("3","4","4","7","5","1","4","1") = "6"
    & skf21("3","4","4","7","5","1","5","1") = "6"
    & skf21("3","4","4","7","5","1","6","1") = "6"
    & skf21("3","4","4","7","5","1","7","1") = "6"
    & skf21("3","4","4","7","5","2","1","1") = "6"
    & skf21("3","4","4","7","5","2","2","1") = "6"
    & skf21("3","4","4","7","5","2","3","1") = "6"
    & skf21("3","4","4","7","5","2","4","1") = "6"
    & skf21("3","4","4","7","5","2","5","1") = "6"
    & skf21("3","4","4","7","5","2","6","1") = "6"
    & skf21("3","4","4","7","5","2","7","1") = "6"
    & skf21("3","4","4","7","5","3","1","1") = "6"
    & skf21("3","4","4","7","5","3","2","1") = "6"
    & skf21("3","4","4","7","5","3","3","1") = "6"
    & skf21("3","4","4","7","5","3","4","1") = "6"
    & skf21("3","4","4","7","5","3","5","1") = "6"
    & skf21("3","4","4","7","5","3","6","1") = "6"
    & skf21("3","4","4","7","5","3","7","1") = "6"
    & skf21("3","4","4","7","5","4","1","1") = "6"
    & skf21("3","4","4","7","5","4","2","1") = "6"
    & skf21("3","4","4","7","5","4","3","1") = "6"
    & skf21("3","4","4","7","5","4","4","1") = "6"
    & skf21("3","4","4","7","5","4","5","1") = "6"
    & skf21("3","4","4","7","5","4","6","1") = "6"
    & skf21("3","4","4","7","5","4","7","1") = "6"
    & skf21("3","4","4","7","5","5","1","1") = "6"
    & skf21("3","4","4","7","5","5","2","1") = "6"
    & skf21("3","4","4","7","5","5","3","1") = "6"
    & skf21("3","4","4","7","5","5","4","1") = "6"
    & skf21("3","4","4","7","5","5","5","1") = "6"
    & skf21("3","4","4","7","5","5","6","1") = "6"
    & skf21("3","4","4","7","5","5","7","1") = "6"
    & skf21("3","4","4","7","5","6","1","1") = "6"
    & skf21("3","4","4","7","5","6","2","1") = "6"
    & skf21("3","4","4","7","5","6","3","1") = "6"
    & skf21("3","4","4","7","5","6","4","1") = "6"
    & skf21("3","4","4","7","5","6","5","1") = "6"
    & skf21("3","4","4","7","5","6","6","1") = "6"
    & skf21("3","4","4","7","5","6","7","1") = "6"
    & skf21("3","4","4","7","5","7","1","1") = "6"
    & skf21("3","4","4","7","5","7","2","1") = "6"
    & skf21("3","4","4","7","5","7","3","1") = "6"
    & skf21("3","4","4","7","5","7","4","1") = "6"
    & skf21("3","4","4","7","5","7","5","1") = "6"
    & skf21("3","4","4","7","5","7","6","1") = "6"
    & skf21("3","4","4","7","5","7","7","1") = "6"
    & skf21("3","4","4","7","6","1","1","1") = "6"
    & skf21("3","4","4","7","6","1","2","1") = "6"
    & skf21("3","4","4","7","6","1","3","1") = "6"
    & skf21("3","4","4","7","6","1","4","1") = "6"
    & skf21("3","4","4","7","6","1","5","1") = "6"
    & skf21("3","4","4","7","6","1","6","1") = "6"
    & skf21("3","4","4","7","6","1","7","1") = "6"
    & skf21("3","4","4","7","6","2","1","1") = "6"
    & skf21("3","4","4","7","6","2","2","1") = "6"
    & skf21("3","4","4","7","6","2","3","1") = "6"
    & skf21("3","4","4","7","6","2","4","1") = "6"
    & skf21("3","4","4","7","6","2","5","1") = "6"
    & skf21("3","4","4","7","6","2","6","1") = "6"
    & skf21("3","4","4","7","6","2","7","1") = "6"
    & skf21("3","4","4","7","6","3","1","1") = "6"
    & skf21("3","4","4","7","6","3","2","1") = "6"
    & skf21("3","4","4","7","6","3","3","1") = "6"
    & skf21("3","4","4","7","6","3","4","1") = "6"
    & skf21("3","4","4","7","6","3","5","1") = "6"
    & skf21("3","4","4","7","6","3","6","1") = "6"
    & skf21("3","4","4","7","6","3","7","1") = "6"
    & skf21("3","4","4","7","6","4","1","1") = "6"
    & skf21("3","4","4","7","6","4","2","1") = "6"
    & skf21("3","4","4","7","6","4","3","1") = "6"
    & skf21("3","4","4","7","6","4","4","1") = "6"
    & skf21("3","4","4","7","6","4","5","1") = "6"
    & skf21("3","4","4","7","6","4","6","1") = "6"
    & skf21("3","4","4","7","6","4","7","1") = "6"
    & skf21("3","4","4","7","6","5","1","1") = "6"
    & skf21("3","4","4","7","6","5","2","1") = "6"
    & skf21("3","4","4","7","6","5","3","1") = "6"
    & skf21("3","4","4","7","6","5","4","1") = "6"
    & skf21("3","4","4","7","6","5","5","1") = "6"
    & skf21("3","4","4","7","6","5","6","1") = "6"
    & skf21("3","4","4","7","6","5","7","1") = "6"
    & skf21("3","4","4","7","6","6","1","1") = "6"
    & skf21("3","4","4","7","6","6","2","1") = "6"
    & skf21("3","4","4","7","6","6","3","1") = "6"
    & skf21("3","4","4","7","6","6","4","1") = "6"
    & skf21("3","4","4","7","6","6","5","1") = "6"
    & skf21("3","4","4","7","6","6","6","1") = "6"
    & skf21("3","4","4","7","6","6","7","1") = "6"
    & skf21("3","4","4","7","6","7","1","1") = "6"
    & skf21("3","4","4","7","6","7","2","1") = "6"
    & skf21("3","4","4","7","6","7","3","1") = "6"
    & skf21("3","4","4","7","6","7","4","1") = "6"
    & skf21("3","4","4","7","6","7","5","1") = "6"
    & skf21("3","4","4","7","6","7","6","1") = "6"
    & skf21("3","4","4","7","6","7","7","1") = "6"
    & skf21("3","4","4","7","7","1","1","1") = "6"
    & skf21("3","4","4","7","7","1","2","1") = "6"
    & skf21("3","4","4","7","7","1","3","1") = "6"
    & skf21("3","4","4","7","7","1","4","1") = "6"
    & skf21("3","4","4","7","7","1","5","1") = "6"
    & skf21("3","4","4","7","7","1","6","1") = "6"
    & skf21("3","4","4","7","7","1","7","1") = "6"
    & skf21("3","4","4","7","7","2","1","1") = "6"
    & skf21("3","4","4","7","7","2","2","1") = "6"
    & skf21("3","4","4","7","7","2","3","1") = "6"
    & skf21("3","4","4","7","7","2","4","1") = "6"
    & skf21("3","4","4","7","7","2","5","1") = "6"
    & skf21("3","4","4","7","7","2","6","1") = "6"
    & skf21("3","4","4","7","7","2","7","1") = "6"
    & skf21("3","4","4","7","7","3","1","1") = "6"
    & skf21("3","4","4","7","7","3","2","1") = "6"
    & skf21("3","4","4","7","7","3","3","1") = "6"
    & skf21("3","4","4","7","7","3","4","1") = "6"
    & skf21("3","4","4","7","7","3","5","1") = "6"
    & skf21("3","4","4","7","7","3","6","1") = "6"
    & skf21("3","4","4","7","7","3","7","1") = "6"
    & skf21("3","4","4","7","7","4","1","1") = "6"
    & skf21("3","4","4","7","7","4","2","1") = "6"
    & skf21("3","4","4","7","7","4","3","1") = "6"
    & skf21("3","4","4","7","7","4","4","1") = "6"
    & skf21("3","4","4","7","7","4","5","1") = "6"
    & skf21("3","4","4","7","7","4","6","1") = "6"
    & skf21("3","4","4","7","7","4","7","1") = "6"
    & skf21("3","4","4","7","7","5","1","1") = "6"
    & skf21("3","4","4","7","7","5","2","1") = "6"
    & skf21("3","4","4","7","7","5","3","1") = "6"
    & skf21("3","4","4","7","7","5","4","1") = "6"
    & skf21("3","4","4","7","7","5","5","1") = "6"
    & skf21("3","4","4","7","7","5","6","1") = "6"
    & skf21("3","4","4","7","7","5","7","1") = "6"
    & skf21("3","4","4","7","7","6","1","1") = "6"
    & skf21("3","4","4","7","7","6","2","1") = "6"
    & skf21("3","4","4","7","7","6","3","1") = "6"
    & skf21("3","4","4","7","7","6","4","1") = "6"
    & skf21("3","4","4","7","7","6","5","1") = "6"
    & skf21("3","4","4","7","7","6","6","1") = "6"
    & skf21("3","4","4","7","7","6","7","1") = "6"
    & skf21("3","4","4","7","7","7","1","1") = "6"
    & skf21("3","4","4","7","7","7","2","1") = "6"
    & skf21("3","4","4","7","7","7","3","1") = "6"
    & skf21("3","4","4","7","7","7","4","1") = "6"
    & skf21("3","4","4","7","7","7","5","1") = "6"
    & skf21("3","4","4","7","7","7","6","1") = "6"
    & skf21("3","4","4","7","7","7","7","1") = "6"
    & skf21("3","4","5","1","1","1","1","1") = "4"
    & skf21("3","4","5","1","1","1","2","1") = "4"
    & skf21("3","4","5","1","1","1","3","1") = "4"
    & skf21("3","4","5","1","1","1","4","1") = "4"
    & skf21("3","4","5","1","1","1","5","1") = "4"
    & skf21("3","4","5","1","1","1","6","1") = "5"
    & skf21("3","4","5","1","1","1","7","1") = "6"
    & skf21("3","4","5","1","1","2","1","1") = "4"
    & skf21("3","4","5","1","1","2","2","1") = "4"
    & skf21("3","4","5","1","1","2","3","1") = "4"
    & skf21("3","4","5","1","1","2","4","1") = "4"
    & skf21("3","4","5","1","1","2","5","1") = "4"
    & skf21("3","4","5","1","1","2","6","1") = "5"
    & skf21("3","4","5","1","1","2","7","1") = "6"
    & skf21("3","4","5","1","1","3","1","1") = "4"
    & skf21("3","4","5","1","1","3","2","1") = "4"
    & skf21("3","4","5","1","1","3","3","1") = "4"
    & skf21("3","4","5","1","1","3","4","1") = "4"
    & skf21("3","4","5","1","1","3","5","1") = "4"
    & skf21("3","4","5","1","1","3","6","1") = "5"
    & skf21("3","4","5","1","1","3","7","1") = "6"
    & skf21("3","4","5","1","1","4","1","1") = "4"
    & skf21("3","4","5","1","1","4","2","1") = "4"
    & skf21("3","4","5","1","1","4","3","1") = "4"
    & skf21("3","4","5","1","1","4","4","1") = "4"
    & skf21("3","4","5","1","1","4","5","1") = "4"
    & skf21("3","4","5","1","1","4","6","1") = "5"
    & skf21("3","4","5","1","1","4","7","1") = "6"
    & skf21("3","4","5","1","1","5","1","1") = "4"
    & skf21("3","4","5","1","1","5","2","1") = "4"
    & skf21("3","4","5","1","1","5","3","1") = "4"
    & skf21("3","4","5","1","1","5","4","1") = "4"
    & skf21("3","4","5","1","1","5","5","1") = "4"
    & skf21("3","4","5","1","1","5","6","1") = "5"
    & skf21("3","4","5","1","1","5","7","1") = "6"
    & skf21("3","4","5","1","1","6","1","1") = "5"
    & skf21("3","4","5","1","1","6","2","1") = "5"
    & skf21("3","4","5","1","1","6","3","1") = "5"
    & skf21("3","4","5","1","1","6","4","1") = "5"
    & skf21("3","4","5","1","1","6","5","1") = "5"
    & skf21("3","4","5","1","1","6","6","1") = "5"
    & skf21("3","4","5","1","1","6","7","1") = "6"
    & skf21("3","4","5","1","1","7","1","1") = "6"
    & skf21("3","4","5","1","1","7","2","1") = "6"
    & skf21("3","4","5","1","1","7","3","1") = "6"
    & skf21("3","4","5","1","1","7","4","1") = "6"
    & skf21("3","4","5","1","1","7","5","1") = "6"
    & skf21("3","4","5","1","1","7","6","1") = "6"
    & skf21("3","4","5","1","1","7","7","1") = "6"
    & skf21("3","4","5","1","2","1","1","1") = "4"
    & skf21("3","4","5","1","2","1","2","1") = "4"
    & skf21("3","4","5","1","2","1","3","1") = "4"
    & skf21("3","4","5","1","2","1","4","1") = "4"
    & skf21("3","4","5","1","2","1","5","1") = "4"
    & skf21("3","4","5","1","2","1","6","1") = "5"
    & skf21("3","4","5","1","2","1","7","1") = "6"
    & skf21("3","4","5","1","2","2","1","1") = "4"
    & skf21("3","4","5","1","2","2","2","1") = "4"
    & skf21("3","4","5","1","2","2","3","1") = "4"
    & skf21("3","4","5","1","2","2","4","1") = "4"
    & skf21("3","4","5","1","2","2","5","1") = "4"
    & skf21("3","4","5","1","2","2","6","1") = "5"
    & skf21("3","4","5","1","2","2","7","1") = "6"
    & skf21("3","4","5","1","2","3","1","1") = "4"
    & skf21("3","4","5","1","2","3","2","1") = "4"
    & skf21("3","4","5","1","2","3","3","1") = "4"
    & skf21("3","4","5","1","2","3","4","1") = "4"
    & skf21("3","4","5","1","2","3","5","1") = "4"
    & skf21("3","4","5","1","2","3","6","1") = "5"
    & skf21("3","4","5","1","2","3","7","1") = "6"
    & skf21("3","4","5","1","2","4","1","1") = "4"
    & skf21("3","4","5","1","2","4","2","1") = "4"
    & skf21("3","4","5","1","2","4","3","1") = "4"
    & skf21("3","4","5","1","2","4","4","1") = "4"
    & skf21("3","4","5","1","2","4","5","1") = "4"
    & skf21("3","4","5","1","2","4","6","1") = "5"
    & skf21("3","4","5","1","2","4","7","1") = "6"
    & skf21("3","4","5","1","2","5","1","1") = "4"
    & skf21("3","4","5","1","2","5","2","1") = "4"
    & skf21("3","4","5","1","2","5","3","1") = "4"
    & skf21("3","4","5","1","2","5","4","1") = "4"
    & skf21("3","4","5","1","2","5","5","1") = "4"
    & skf21("3","4","5","1","2","5","6","1") = "5"
    & skf21("3","4","5","1","2","5","7","1") = "6"
    & skf21("3","4","5","1","2","6","1","1") = "5"
    & skf21("3","4","5","1","2","6","2","1") = "5"
    & skf21("3","4","5","1","2","6","3","1") = "5"
    & skf21("3","4","5","1","2","6","4","1") = "5"
    & skf21("3","4","5","1","2","6","5","1") = "5"
    & skf21("3","4","5","1","2","6","6","1") = "5"
    & skf21("3","4","5","1","2","6","7","1") = "6"
    & skf21("3","4","5","1","2","7","1","1") = "6"
    & skf21("3","4","5","1","2","7","2","1") = "6"
    & skf21("3","4","5","1","2","7","3","1") = "6"
    & skf21("3","4","5","1","2","7","4","1") = "6"
    & skf21("3","4","5","1","2","7","5","1") = "6"
    & skf21("3","4","5","1","2","7","6","1") = "6"
    & skf21("3","4","5","1","2","7","7","1") = "6"
    & skf21("3","4","5","1","3","1","1","1") = "4"
    & skf21("3","4","5","1","3","1","2","1") = "4"
    & skf21("3","4","5","1","3","1","3","1") = "4"
    & skf21("3","4","5","1","3","1","4","1") = "4"
    & skf21("3","4","5","1","3","1","5","1") = "4"
    & skf21("3","4","5","1","3","1","6","1") = "5"
    & skf21("3","4","5","1","3","1","7","1") = "6"
    & skf21("3","4","5","1","3","2","1","1") = "4"
    & skf21("3","4","5","1","3","2","2","1") = "4"
    & skf21("3","4","5","1","3","2","3","1") = "4"
    & skf21("3","4","5","1","3","2","4","1") = "4"
    & skf21("3","4","5","1","3","2","5","1") = "4"
    & skf21("3","4","5","1","3","2","6","1") = "5"
    & skf21("3","4","5","1","3","2","7","1") = "6"
    & skf21("3","4","5","1","3","3","1","1") = "4"
    & skf21("3","4","5","1","3","3","2","1") = "4"
    & skf21("3","4","5","1","3","3","3","1") = "4"
    & skf21("3","4","5","1","3","3","4","1") = "4"
    & skf21("3","4","5","1","3","3","5","1") = "4"
    & skf21("3","4","5","1","3","3","6","1") = "5"
    & skf21("3","4","5","1","3","3","7","1") = "6"
    & skf21("3","4","5","1","3","4","1","1") = "4"
    & skf21("3","4","5","1","3","4","2","1") = "4"
    & skf21("3","4","5","1","3","4","3","1") = "4"
    & skf21("3","4","5","1","3","4","4","1") = "4"
    & skf21("3","4","5","1","3","4","5","1") = "4"
    & skf21("3","4","5","1","3","4","6","1") = "5"
    & skf21("3","4","5","1","3","4","7","1") = "6"
    & skf21("3","4","5","1","3","5","1","1") = "4"
    & skf21("3","4","5","1","3","5","2","1") = "4"
    & skf21("3","4","5","1","3","5","3","1") = "4"
    & skf21("3","4","5","1","3","5","4","1") = "4"
    & skf21("3","4","5","1","3","5","5","1") = "4"
    & skf21("3","4","5","1","3","5","6","1") = "5"
    & skf21("3","4","5","1","3","5","7","1") = "6"
    & skf21("3","4","5","1","3","6","1","1") = "5"
    & skf21("3","4","5","1","3","6","2","1") = "5"
    & skf21("3","4","5","1","3","6","3","1") = "5"
    & skf21("3","4","5","1","3","6","4","1") = "5"
    & skf21("3","4","5","1","3","6","5","1") = "5"
    & skf21("3","4","5","1","3","6","6","1") = "5"
    & skf21("3","4","5","1","3","6","7","1") = "6"
    & skf21("3","4","5","1","3","7","1","1") = "6"
    & skf21("3","4","5","1","3","7","2","1") = "6"
    & skf21("3","4","5","1","3","7","3","1") = "6"
    & skf21("3","4","5","1","3","7","4","1") = "6"
    & skf21("3","4","5","1","3","7","5","1") = "6"
    & skf21("3","4","5","1","3","7","6","1") = "6"
    & skf21("3","4","5","1","3","7","7","1") = "6"
    & skf21("3","4","5","1","4","1","1","1") = "4"
    & skf21("3","4","5","1","4","1","2","1") = "4"
    & skf21("3","4","5","1","4","1","3","1") = "4"
    & skf21("3","4","5","1","4","1","4","1") = "4"
    & skf21("3","4","5","1","4","1","5","1") = "4"
    & skf21("3","4","5","1","4","1","6","1") = "5"
    & skf21("3","4","5","1","4","1","7","1") = "6"
    & skf21("3","4","5","1","4","2","1","1") = "4"
    & skf21("3","4","5","1","4","2","2","1") = "4"
    & skf21("3","4","5","1","4","2","3","1") = "4"
    & skf21("3","4","5","1","4","2","4","1") = "4"
    & skf21("3","4","5","1","4","2","5","1") = "4"
    & skf21("3","4","5","1","4","2","6","1") = "5"
    & skf21("3","4","5","1","4","2","7","1") = "6"
    & skf21("3","4","5","1","4","3","1","1") = "4"
    & skf21("3","4","5","1","4","3","2","1") = "4"
    & skf21("3","4","5","1","4","3","3","1") = "4"
    & skf21("3","4","5","1","4","3","4","1") = "4"
    & skf21("3","4","5","1","4","3","5","1") = "4"
    & skf21("3","4","5","1","4","3","6","1") = "5"
    & skf21("3","4","5","1","4","3","7","1") = "6"
    & skf21("3","4","5","1","4","4","1","1") = "4"
    & skf21("3","4","5","1","4","4","2","1") = "4"
    & skf21("3","4","5","1","4","4","3","1") = "4"
    & skf21("3","4","5","1","4","4","4","1") = "4"
    & skf21("3","4","5","1","4","4","5","1") = "4"
    & skf21("3","4","5","1","4","4","6","1") = "5"
    & skf21("3","4","5","1","4","4","7","1") = "6"
    & skf21("3","4","5","1","4","5","1","1") = "4"
    & skf21("3","4","5","1","4","5","2","1") = "4"
    & skf21("3","4","5","1","4","5","3","1") = "4"
    & skf21("3","4","5","1","4","5","4","1") = "4"
    & skf21("3","4","5","1","4","5","5","1") = "4"
    & skf21("3","4","5","1","4","5","6","1") = "5"
    & skf21("3","4","5","1","4","5","7","1") = "6"
    & skf21("3","4","5","1","4","6","1","1") = "5"
    & skf21("3","4","5","1","4","6","2","1") = "5"
    & skf21("3","4","5","1","4","6","3","1") = "5"
    & skf21("3","4","5","1","4","6","4","1") = "5"
    & skf21("3","4","5","1","4","6","5","1") = "5"
    & skf21("3","4","5","1","4","6","6","1") = "5"
    & skf21("3","4","5","1","4","6","7","1") = "6"
    & skf21("3","4","5","1","4","7","1","1") = "6"
    & skf21("3","4","5","1","4","7","2","1") = "6"
    & skf21("3","4","5","1","4","7","3","1") = "6"
    & skf21("3","4","5","1","4","7","4","1") = "6"
    & skf21("3","4","5","1","4","7","5","1") = "6"
    & skf21("3","4","5","1","4","7","6","1") = "6"
    & skf21("3","4","5","1","4","7","7","1") = "6"
    & skf21("3","4","5","1","5","1","1","1") = "4"
    & skf21("3","4","5","1","5","1","2","1") = "4"
    & skf21("3","4","5","1","5","1","3","1") = "4"
    & skf21("3","4","5","1","5","1","4","1") = "4"
    & skf21("3","4","5","1","5","1","5","1") = "4"
    & skf21("3","4","5","1","5","1","6","1") = "5"
    & skf21("3","4","5","1","5","1","7","1") = "6"
    & skf21("3","4","5","1","5","2","1","1") = "4"
    & skf21("3","4","5","1","5","2","2","1") = "4"
    & skf21("3","4","5","1","5","2","3","1") = "4"
    & skf21("3","4","5","1","5","2","4","1") = "4"
    & skf21("3","4","5","1","5","2","5","1") = "4"
    & skf21("3","4","5","1","5","2","6","1") = "5"
    & skf21("3","4","5","1","5","2","7","1") = "6"
    & skf21("3","4","5","1","5","3","1","1") = "4"
    & skf21("3","4","5","1","5","3","2","1") = "4"
    & skf21("3","4","5","1","5","3","3","1") = "4"
    & skf21("3","4","5","1","5","3","4","1") = "4"
    & skf21("3","4","5","1","5","3","5","1") = "4"
    & skf21("3","4","5","1","5","3","6","1") = "5"
    & skf21("3","4","5","1","5","3","7","1") = "6"
    & skf21("3","4","5","1","5","4","1","1") = "4"
    & skf21("3","4","5","1","5","4","2","1") = "4"
    & skf21("3","4","5","1","5","4","3","1") = "4"
    & skf21("3","4","5","1","5","4","4","1") = "4"
    & skf21("3","4","5","1","5","4","5","1") = "4"
    & skf21("3","4","5","1","5","4","6","1") = "5"
    & skf21("3","4","5","1","5","4","7","1") = "6"
    & skf21("3","4","5","1","5","5","1","1") = "4"
    & skf21("3","4","5","1","5","5","2","1") = "4"
    & skf21("3","4","5","1","5","5","3","1") = "4"
    & skf21("3","4","5","1","5","5","4","1") = "4"
    & skf21("3","4","5","1","5","5","5","1") = "4"
    & skf21("3","4","5","1","5","5","6","1") = "5"
    & skf21("3","4","5","1","5","5","7","1") = "6"
    & skf21("3","4","5","1","5","6","1","1") = "5"
    & skf21("3","4","5","1","5","6","2","1") = "5"
    & skf21("3","4","5","1","5","6","3","1") = "5"
    & skf21("3","4","5","1","5","6","4","1") = "5"
    & skf21("3","4","5","1","5","6","5","1") = "5"
    & skf21("3","4","5","1","5","6","6","1") = "5"
    & skf21("3","4","5","1","5","6","7","1") = "6"
    & skf21("3","4","5","1","5","7","1","1") = "6"
    & skf21("3","4","5","1","5","7","2","1") = "6"
    & skf21("3","4","5","1","5","7","3","1") = "6"
    & skf21("3","4","5","1","5","7","4","1") = "6"
    & skf21("3","4","5","1","5","7","5","1") = "6"
    & skf21("3","4","5","1","5","7","6","1") = "6"
    & skf21("3","4","5","1","5","7","7","1") = "6"
    & skf21("3","4","5","1","6","1","1","1") = "5"
    & skf21("3","4","5","1","6","1","2","1") = "5"
    & skf21("3","4","5","1","6","1","3","1") = "5"
    & skf21("3","4","5","1","6","1","4","1") = "5"
    & skf21("3","4","5","1","6","1","5","1") = "5"
    & skf21("3","4","5","1","6","1","6","1") = "5"
    & skf21("3","4","5","1","6","1","7","1") = "6"
    & skf21("3","4","5","1","6","2","1","1") = "5"
    & skf21("3","4","5","1","6","2","2","1") = "5"
    & skf21("3","4","5","1","6","2","3","1") = "5"
    & skf21("3","4","5","1","6","2","4","1") = "5"
    & skf21("3","4","5","1","6","2","5","1") = "5"
    & skf21("3","4","5","1","6","2","6","1") = "5"
    & skf21("3","4","5","1","6","2","7","1") = "6"
    & skf21("3","4","5","1","6","3","1","1") = "5"
    & skf21("3","4","5","1","6","3","2","1") = "5"
    & skf21("3","4","5","1","6","3","3","1") = "5"
    & skf21("3","4","5","1","6","3","4","1") = "5"
    & skf21("3","4","5","1","6","3","5","1") = "5"
    & skf21("3","4","5","1","6","3","6","1") = "5"
    & skf21("3","4","5","1","6","3","7","1") = "6"
    & skf21("3","4","5","1","6","4","1","1") = "5"
    & skf21("3","4","5","1","6","4","2","1") = "5"
    & skf21("3","4","5","1","6","4","3","1") = "5"
    & skf21("3","4","5","1","6","4","4","1") = "5"
    & skf21("3","4","5","1","6","4","5","1") = "5"
    & skf21("3","4","5","1","6","4","6","1") = "5"
    & skf21("3","4","5","1","6","4","7","1") = "6"
    & skf21("3","4","5","1","6","5","1","1") = "5"
    & skf21("3","4","5","1","6","5","2","1") = "5"
    & skf21("3","4","5","1","6","5","3","1") = "5"
    & skf21("3","4","5","1","6","5","4","1") = "5"
    & skf21("3","4","5","1","6","5","5","1") = "5"
    & skf21("3","4","5","1","6","5","6","1") = "5"
    & skf21("3","4","5","1","6","5","7","1") = "6"
    & skf21("3","4","5","1","6","6","1","1") = "5"
    & skf21("3","4","5","1","6","6","2","1") = "5"
    & skf21("3","4","5","1","6","6","3","1") = "5"
    & skf21("3","4","5","1","6","6","4","1") = "5"
    & skf21("3","4","5","1","6","6","5","1") = "5"
    & skf21("3","4","5","1","6","6","6","1") = "5"
    & skf21("3","4","5","1","6","6","7","1") = "6"
    & skf21("3","4","5","1","6","7","1","1") = "6"
    & skf21("3","4","5","1","6","7","2","1") = "6"
    & skf21("3","4","5","1","6","7","3","1") = "6"
    & skf21("3","4","5","1","6","7","4","1") = "6"
    & skf21("3","4","5","1","6","7","5","1") = "6"
    & skf21("3","4","5","1","6","7","6","1") = "6"
    & skf21("3","4","5","1","6","7","7","1") = "6"
    & skf21("3","4","5","1","7","1","1","1") = "6"
    & skf21("3","4","5","1","7","1","2","1") = "6"
    & skf21("3","4","5","1","7","1","3","1") = "6"
    & skf21("3","4","5","1","7","1","4","1") = "6"
    & skf21("3","4","5","1","7","1","5","1") = "6"
    & skf21("3","4","5","1","7","1","6","1") = "6"
    & skf21("3","4","5","1","7","1","7","1") = "6"
    & skf21("3","4","5","1","7","2","1","1") = "6"
    & skf21("3","4","5","1","7","2","2","1") = "6"
    & skf21("3","4","5","1","7","2","3","1") = "6"
    & skf21("3","4","5","1","7","2","4","1") = "6"
    & skf21("3","4","5","1","7","2","5","1") = "6"
    & skf21("3","4","5","1","7","2","6","1") = "6"
    & skf21("3","4","5","1","7","2","7","1") = "6"
    & skf21("3","4","5","1","7","3","1","1") = "6"
    & skf21("3","4","5","1","7","3","2","1") = "6"
    & skf21("3","4","5","1","7","3","3","1") = "6"
    & skf21("3","4","5","1","7","3","4","1") = "6"
    & skf21("3","4","5","1","7","3","5","1") = "6"
    & skf21("3","4","5","1","7","3","6","1") = "6"
    & skf21("3","4","5","1","7","3","7","1") = "6"
    & skf21("3","4","5","1","7","4","1","1") = "6"
    & skf21("3","4","5","1","7","4","2","1") = "6"
    & skf21("3","4","5","1","7","4","3","1") = "6"
    & skf21("3","4","5","1","7","4","4","1") = "6"
    & skf21("3","4","5","1","7","4","5","1") = "6"
    & skf21("3","4","5","1","7","4","6","1") = "6"
    & skf21("3","4","5","1","7","4","7","1") = "6"
    & skf21("3","4","5","1","7","5","1","1") = "6"
    & skf21("3","4","5","1","7","5","2","1") = "6"
    & skf21("3","4","5","1","7","5","3","1") = "6"
    & skf21("3","4","5","1","7","5","4","1") = "6"
    & skf21("3","4","5","1","7","5","5","1") = "6"
    & skf21("3","4","5","1","7","5","6","1") = "6"
    & skf21("3","4","5","1","7","5","7","1") = "6"
    & skf21("3","4","5","1","7","6","1","1") = "6"
    & skf21("3","4","5","1","7","6","2","1") = "6"
    & skf21("3","4","5","1","7","6","3","1") = "6"
    & skf21("3","4","5","1","7","6","4","1") = "6"
    & skf21("3","4","5","1","7","6","5","1") = "6"
    & skf21("3","4","5","1","7","6","6","1") = "6"
    & skf21("3","4","5","1","7","6","7","1") = "6"
    & skf21("3","4","5","1","7","7","1","1") = "6"
    & skf21("3","4","5","1","7","7","2","1") = "6"
    & skf21("3","4","5","1","7","7","3","1") = "6"
    & skf21("3","4","5","1","7","7","4","1") = "6"
    & skf21("3","4","5","1","7","7","5","1") = "6"
    & skf21("3","4","5","1","7","7","6","1") = "6"
    & skf21("3","4","5","1","7","7","7","1") = "6"
    & skf21("3","4","5","2","1","1","1","1") = "4"
    & skf21("3","4","5","2","1","1","2","1") = "4"
    & skf21("3","4","5","2","1","1","3","1") = "4"
    & skf21("3","4","5","2","1","1","4","1") = "4"
    & skf21("3","4","5","2","1","1","5","1") = "4"
    & skf21("3","4","5","2","1","1","6","1") = "5"
    & skf21("3","4","5","2","1","1","7","1") = "6"
    & skf21("3","4","5","2","1","2","1","1") = "4"
    & skf21("3","4","5","2","1","2","2","1") = "4"
    & skf21("3","4","5","2","1","2","3","1") = "4"
    & skf21("3","4","5","2","1","2","4","1") = "4"
    & skf21("3","4","5","2","1","2","5","1") = "4"
    & skf21("3","4","5","2","1","2","6","1") = "5"
    & skf21("3","4","5","2","1","2","7","1") = "6"
    & skf21("3","4","5","2","1","3","1","1") = "4"
    & skf21("3","4","5","2","1","3","2","1") = "4"
    & skf21("3","4","5","2","1","3","3","1") = "4"
    & skf21("3","4","5","2","1","3","4","1") = "4"
    & skf21("3","4","5","2","1","3","5","1") = "4"
    & skf21("3","4","5","2","1","3","6","1") = "5"
    & skf21("3","4","5","2","1","3","7","1") = "6"
    & skf21("3","4","5","2","1","4","1","1") = "4"
    & skf21("3","4","5","2","1","4","2","1") = "4"
    & skf21("3","4","5","2","1","4","3","1") = "4"
    & skf21("3","4","5","2","1","4","4","1") = "4"
    & skf21("3","4","5","2","1","4","5","1") = "4"
    & skf21("3","4","5","2","1","4","6","1") = "5"
    & skf21("3","4","5","2","1","4","7","1") = "6"
    & skf21("3","4","5","2","1","5","1","1") = "4"
    & skf21("3","4","5","2","1","5","2","1") = "4"
    & skf21("3","4","5","2","1","5","3","1") = "4"
    & skf21("3","4","5","2","1","5","4","1") = "4"
    & skf21("3","4","5","2","1","5","5","1") = "4"
    & skf21("3","4","5","2","1","5","6","1") = "5"
    & skf21("3","4","5","2","1","5","7","1") = "6"
    & skf21("3","4","5","2","1","6","1","1") = "5"
    & skf21("3","4","5","2","1","6","2","1") = "5"
    & skf21("3","4","5","2","1","6","3","1") = "5"
    & skf21("3","4","5","2","1","6","4","1") = "5"
    & skf21("3","4","5","2","1","6","5","1") = "5"
    & skf21("3","4","5","2","1","6","6","1") = "5"
    & skf21("3","4","5","2","1","6","7","1") = "6"
    & skf21("3","4","5","2","1","7","1","1") = "6"
    & skf21("3","4","5","2","1","7","2","1") = "6"
    & skf21("3","4","5","2","1","7","3","1") = "6"
    & skf21("3","4","5","2","1","7","4","1") = "6"
    & skf21("3","4","5","2","1","7","5","1") = "6"
    & skf21("3","4","5","2","1","7","6","1") = "6"
    & skf21("3","4","5","2","1","7","7","1") = "6"
    & skf21("3","4","5","2","2","1","1","1") = "4"
    & skf21("3","4","5","2","2","1","2","1") = "4"
    & skf21("3","4","5","2","2","1","3","1") = "4"
    & skf21("3","4","5","2","2","1","4","1") = "4"
    & skf21("3","4","5","2","2","1","5","1") = "4"
    & skf21("3","4","5","2","2","1","6","1") = "5"
    & skf21("3","4","5","2","2","1","7","1") = "6"
    & skf21("3","4","5","2","2","2","1","1") = "4"
    & skf21("3","4","5","2","2","2","2","1") = "4"
    & skf21("3","4","5","2","2","2","3","1") = "4"
    & skf21("3","4","5","2","2","2","4","1") = "4"
    & skf21("3","4","5","2","2","2","5","1") = "4"
    & skf21("3","4","5","2","2","2","6","1") = "5"
    & skf21("3","4","5","2","2","2","7","1") = "6"
    & skf21("3","4","5","2","2","3","1","1") = "4"
    & skf21("3","4","5","2","2","3","2","1") = "4"
    & skf21("3","4","5","2","2","3","3","1") = "4"
    & skf21("3","4","5","2","2","3","4","1") = "4"
    & skf21("3","4","5","2","2","3","5","1") = "4"
    & skf21("3","4","5","2","2","3","6","1") = "5"
    & skf21("3","4","5","2","2","3","7","1") = "6"
    & skf21("3","4","5","2","2","4","1","1") = "4"
    & skf21("3","4","5","2","2","4","2","1") = "4"
    & skf21("3","4","5","2","2","4","3","1") = "4"
    & skf21("3","4","5","2","2","4","4","1") = "4"
    & skf21("3","4","5","2","2","4","5","1") = "4"
    & skf21("3","4","5","2","2","4","6","1") = "5"
    & skf21("3","4","5","2","2","4","7","1") = "6"
    & skf21("3","4","5","2","2","5","1","1") = "4"
    & skf21("3","4","5","2","2","5","2","1") = "4"
    & skf21("3","4","5","2","2","5","3","1") = "4"
    & skf21("3","4","5","2","2","5","4","1") = "4"
    & skf21("3","4","5","2","2","5","5","1") = "4"
    & skf21("3","4","5","2","2","5","6","1") = "5"
    & skf21("3","4","5","2","2","5","7","1") = "6"
    & skf21("3","4","5","2","2","6","1","1") = "5"
    & skf21("3","4","5","2","2","6","2","1") = "5"
    & skf21("3","4","5","2","2","6","3","1") = "5"
    & skf21("3","4","5","2","2","6","4","1") = "5"
    & skf21("3","4","5","2","2","6","5","1") = "5"
    & skf21("3","4","5","2","2","6","6","1") = "5"
    & skf21("3","4","5","2","2","6","7","1") = "6"
    & skf21("3","4","5","2","2","7","1","1") = "6"
    & skf21("3","4","5","2","2","7","2","1") = "6"
    & skf21("3","4","5","2","2","7","3","1") = "6"
    & skf21("3","4","5","2","2","7","4","1") = "6"
    & skf21("3","4","5","2","2","7","5","1") = "6"
    & skf21("3","4","5","2","2","7","6","1") = "6"
    & skf21("3","4","5","2","2","7","7","1") = "6"
    & skf21("3","4","5","2","3","1","1","1") = "4"
    & skf21("3","4","5","2","3","1","2","1") = "4"
    & skf21("3","4","5","2","3","1","3","1") = "4"
    & skf21("3","4","5","2","3","1","4","1") = "4"
    & skf21("3","4","5","2","3","1","5","1") = "4"
    & skf21("3","4","5","2","3","1","6","1") = "5"
    & skf21("3","4","5","2","3","1","7","1") = "6"
    & skf21("3","4","5","2","3","2","1","1") = "4"
    & skf21("3","4","5","2","3","2","2","1") = "4"
    & skf21("3","4","5","2","3","2","3","1") = "4"
    & skf21("3","4","5","2","3","2","4","1") = "4"
    & skf21("3","4","5","2","3","2","5","1") = "4"
    & skf21("3","4","5","2","3","2","6","1") = "5"
    & skf21("3","4","5","2","3","2","7","1") = "6"
    & skf21("3","4","5","2","3","3","1","1") = "4"
    & skf21("3","4","5","2","3","3","2","1") = "4"
    & skf21("3","4","5","2","3","3","3","1") = "4"
    & skf21("3","4","5","2","3","3","4","1") = "4"
    & skf21("3","4","5","2","3","3","5","1") = "4"
    & skf21("3","4","5","2","3","3","6","1") = "5"
    & skf21("3","4","5","2","3","3","7","1") = "6"
    & skf21("3","4","5","2","3","4","1","1") = "4"
    & skf21("3","4","5","2","3","4","2","1") = "4"
    & skf21("3","4","5","2","3","4","3","1") = "4"
    & skf21("3","4","5","2","3","4","4","1") = "4"
    & skf21("3","4","5","2","3","4","5","1") = "4"
    & skf21("3","4","5","2","3","4","6","1") = "5"
    & skf21("3","4","5","2","3","4","7","1") = "6"
    & skf21("3","4","5","2","3","5","1","1") = "4"
    & skf21("3","4","5","2","3","5","2","1") = "4"
    & skf21("3","4","5","2","3","5","3","1") = "4"
    & skf21("3","4","5","2","3","5","4","1") = "4"
    & skf21("3","4","5","2","3","5","5","1") = "4"
    & skf21("3","4","5","2","3","5","6","1") = "5"
    & skf21("3","4","5","2","3","5","7","1") = "6"
    & skf21("3","4","5","2","3","6","1","1") = "5"
    & skf21("3","4","5","2","3","6","2","1") = "5"
    & skf21("3","4","5","2","3","6","3","1") = "5"
    & skf21("3","4","5","2","3","6","4","1") = "5"
    & skf21("3","4","5","2","3","6","5","1") = "5"
    & skf21("3","4","5","2","3","6","6","1") = "5"
    & skf21("3","4","5","2","3","6","7","1") = "6"
    & skf21("3","4","5","2","3","7","1","1") = "6"
    & skf21("3","4","5","2","3","7","2","1") = "6"
    & skf21("3","4","5","2","3","7","3","1") = "6"
    & skf21("3","4","5","2","3","7","4","1") = "6"
    & skf21("3","4","5","2","3","7","5","1") = "6"
    & skf21("3","4","5","2","3","7","6","1") = "6"
    & skf21("3","4","5","2","3","7","7","1") = "6"
    & skf21("3","4","5","2","4","1","1","1") = "4"
    & skf21("3","4","5","2","4","1","2","1") = "4"
    & skf21("3","4","5","2","4","1","3","1") = "4"
    & skf21("3","4","5","2","4","1","4","1") = "4"
    & skf21("3","4","5","2","4","1","5","1") = "4"
    & skf21("3","4","5","2","4","1","6","1") = "5"
    & skf21("3","4","5","2","4","1","7","1") = "6"
    & skf21("3","4","5","2","4","2","1","1") = "4"
    & skf21("3","4","5","2","4","2","2","1") = "4"
    & skf21("3","4","5","2","4","2","3","1") = "4"
    & skf21("3","4","5","2","4","2","4","1") = "4"
    & skf21("3","4","5","2","4","2","5","1") = "4"
    & skf21("3","4","5","2","4","2","6","1") = "5"
    & skf21("3","4","5","2","4","2","7","1") = "6"
    & skf21("3","4","5","2","4","3","1","1") = "4"
    & skf21("3","4","5","2","4","3","2","1") = "4"
    & skf21("3","4","5","2","4","3","3","1") = "4"
    & skf21("3","4","5","2","4","3","4","1") = "4"
    & skf21("3","4","5","2","4","3","5","1") = "4"
    & skf21("3","4","5","2","4","3","6","1") = "5"
    & skf21("3","4","5","2","4","3","7","1") = "6"
    & skf21("3","4","5","2","4","4","1","1") = "4"
    & skf21("3","4","5","2","4","4","2","1") = "4"
    & skf21("3","4","5","2","4","4","3","1") = "4"
    & skf21("3","4","5","2","4","4","4","1") = "4"
    & skf21("3","4","5","2","4","4","5","1") = "4"
    & skf21("3","4","5","2","4","4","6","1") = "5"
    & skf21("3","4","5","2","4","4","7","1") = "6"
    & skf21("3","4","5","2","4","5","1","1") = "4"
    & skf21("3","4","5","2","4","5","2","1") = "4"
    & skf21("3","4","5","2","4","5","3","1") = "4"
    & skf21("3","4","5","2","4","5","4","1") = "4"
    & skf21("3","4","5","2","4","5","5","1") = "4"
    & skf21("3","4","5","2","4","5","6","1") = "5"
    & skf21("3","4","5","2","4","5","7","1") = "6"
    & skf21("3","4","5","2","4","6","1","1") = "5"
    & skf21("3","4","5","2","4","6","2","1") = "5"
    & skf21("3","4","5","2","4","6","3","1") = "5"
    & skf21("3","4","5","2","4","6","4","1") = "5"
    & skf21("3","4","5","2","4","6","5","1") = "5"
    & skf21("3","4","5","2","4","6","6","1") = "5"
    & skf21("3","4","5","2","4","6","7","1") = "6"
    & skf21("3","4","5","2","4","7","1","1") = "6"
    & skf21("3","4","5","2","4","7","2","1") = "6"
    & skf21("3","4","5","2","4","7","3","1") = "6"
    & skf21("3","4","5","2","4","7","4","1") = "6"
    & skf21("3","4","5","2","4","7","5","1") = "6"
    & skf21("3","4","5","2","4","7","6","1") = "6"
    & skf21("3","4","5","2","4","7","7","1") = "6"
    & skf21("3","4","5","2","5","1","1","1") = "4"
    & skf21("3","4","5","2","5","1","2","1") = "4"
    & skf21("3","4","5","2","5","1","3","1") = "4"
    & skf21("3","4","5","2","5","1","4","1") = "4"
    & skf21("3","4","5","2","5","1","5","1") = "4"
    & skf21("3","4","5","2","5","1","6","1") = "5"
    & skf21("3","4","5","2","5","1","7","1") = "6"
    & skf21("3","4","5","2","5","2","1","1") = "4"
    & skf21("3","4","5","2","5","2","2","1") = "4"
    & skf21("3","4","5","2","5","2","3","1") = "4"
    & skf21("3","4","5","2","5","2","4","1") = "4"
    & skf21("3","4","5","2","5","2","5","1") = "4"
    & skf21("3","4","5","2","5","2","6","1") = "5"
    & skf21("3","4","5","2","5","2","7","1") = "6"
    & skf21("3","4","5","2","5","3","1","1") = "4"
    & skf21("3","4","5","2","5","3","2","1") = "4"
    & skf21("3","4","5","2","5","3","3","1") = "4"
    & skf21("3","4","5","2","5","3","4","1") = "4"
    & skf21("3","4","5","2","5","3","5","1") = "4"
    & skf21("3","4","5","2","5","3","6","1") = "5"
    & skf21("3","4","5","2","5","3","7","1") = "6"
    & skf21("3","4","5","2","5","4","1","1") = "4"
    & skf21("3","4","5","2","5","4","2","1") = "4"
    & skf21("3","4","5","2","5","4","3","1") = "4"
    & skf21("3","4","5","2","5","4","4","1") = "4"
    & skf21("3","4","5","2","5","4","5","1") = "4"
    & skf21("3","4","5","2","5","4","6","1") = "5"
    & skf21("3","4","5","2","5","4","7","1") = "6"
    & skf21("3","4","5","2","5","5","1","1") = "4"
    & skf21("3","4","5","2","5","5","2","1") = "4"
    & skf21("3","4","5","2","5","5","3","1") = "4"
    & skf21("3","4","5","2","5","5","4","1") = "4"
    & skf21("3","4","5","2","5","5","5","1") = "4"
    & skf21("3","4","5","2","5","5","6","1") = "5"
    & skf21("3","4","5","2","5","5","7","1") = "6"
    & skf21("3","4","5","2","5","6","1","1") = "5"
    & skf21("3","4","5","2","5","6","2","1") = "5"
    & skf21("3","4","5","2","5","6","3","1") = "5"
    & skf21("3","4","5","2","5","6","4","1") = "5"
    & skf21("3","4","5","2","5","6","5","1") = "5"
    & skf21("3","4","5","2","5","6","6","1") = "5"
    & skf21("3","4","5","2","5","6","7","1") = "6"
    & skf21("3","4","5","2","5","7","1","1") = "6"
    & skf21("3","4","5","2","5","7","2","1") = "6"
    & skf21("3","4","5","2","5","7","3","1") = "6"
    & skf21("3","4","5","2","5","7","4","1") = "6"
    & skf21("3","4","5","2","5","7","5","1") = "6"
    & skf21("3","4","5","2","5","7","6","1") = "6"
    & skf21("3","4","5","2","5","7","7","1") = "6"
    & skf21("3","4","5","2","6","1","1","1") = "5"
    & skf21("3","4","5","2","6","1","2","1") = "5"
    & skf21("3","4","5","2","6","1","3","1") = "5"
    & skf21("3","4","5","2","6","1","4","1") = "5"
    & skf21("3","4","5","2","6","1","5","1") = "5"
    & skf21("3","4","5","2","6","1","6","1") = "5"
    & skf21("3","4","5","2","6","1","7","1") = "6"
    & skf21("3","4","5","2","6","2","1","1") = "5"
    & skf21("3","4","5","2","6","2","2","1") = "5"
    & skf21("3","4","5","2","6","2","3","1") = "5"
    & skf21("3","4","5","2","6","2","4","1") = "5"
    & skf21("3","4","5","2","6","2","5","1") = "5"
    & skf21("3","4","5","2","6","2","6","1") = "5"
    & skf21("3","4","5","2","6","2","7","1") = "6"
    & skf21("3","4","5","2","6","3","1","1") = "5"
    & skf21("3","4","5","2","6","3","2","1") = "5"
    & skf21("3","4","5","2","6","3","3","1") = "5"
    & skf21("3","4","5","2","6","3","4","1") = "5"
    & skf21("3","4","5","2","6","3","5","1") = "5"
    & skf21("3","4","5","2","6","3","6","1") = "5"
    & skf21("3","4","5","2","6","3","7","1") = "6"
    & skf21("3","4","5","2","6","4","1","1") = "5"
    & skf21("3","4","5","2","6","4","2","1") = "5"
    & skf21("3","4","5","2","6","4","3","1") = "5"
    & skf21("3","4","5","2","6","4","4","1") = "5"
    & skf21("3","4","5","2","6","4","5","1") = "5"
    & skf21("3","4","5","2","6","4","6","1") = "5"
    & skf21("3","4","5","2","6","4","7","1") = "6"
    & skf21("3","4","5","2","6","5","1","1") = "5"
    & skf21("3","4","5","2","6","5","2","1") = "5"
    & skf21("3","4","5","2","6","5","3","1") = "5"
    & skf21("3","4","5","2","6","5","4","1") = "5"
    & skf21("3","4","5","2","6","5","5","1") = "5"
    & skf21("3","4","5","2","6","5","6","1") = "5"
    & skf21("3","4","5","2","6","5","7","1") = "6"
    & skf21("3","4","5","2","6","6","1","1") = "5"
    & skf21("3","4","5","2","6","6","2","1") = "5"
    & skf21("3","4","5","2","6","6","3","1") = "5"
    & skf21("3","4","5","2","6","6","4","1") = "5"
    & skf21("3","4","5","2","6","6","5","1") = "5"
    & skf21("3","4","5","2","6","6","6","1") = "5"
    & skf21("3","4","5","2","6","6","7","1") = "6"
    & skf21("3","4","5","2","6","7","1","1") = "6"
    & skf21("3","4","5","2","6","7","2","1") = "6"
    & skf21("3","4","5","2","6","7","3","1") = "6"
    & skf21("3","4","5","2","6","7","4","1") = "6"
    & skf21("3","4","5","2","6","7","5","1") = "6"
    & skf21("3","4","5","2","6","7","6","1") = "6"
    & skf21("3","4","5","2","6","7","7","1") = "6"
    & skf21("3","4","5","2","7","1","1","1") = "6"
    & skf21("3","4","5","2","7","1","2","1") = "6"
    & skf21("3","4","5","2","7","1","3","1") = "6"
    & skf21("3","4","5","2","7","1","4","1") = "6"
    & skf21("3","4","5","2","7","1","5","1") = "6"
    & skf21("3","4","5","2","7","1","6","1") = "6"
    & skf21("3","4","5","2","7","1","7","1") = "6"
    & skf21("3","4","5","2","7","2","1","1") = "6"
    & skf21("3","4","5","2","7","2","2","1") = "6"
    & skf21("3","4","5","2","7","2","3","1") = "6"
    & skf21("3","4","5","2","7","2","4","1") = "6"
    & skf21("3","4","5","2","7","2","5","1") = "6"
    & skf21("3","4","5","2","7","2","6","1") = "6"
    & skf21("3","4","5","2","7","2","7","1") = "6"
    & skf21("3","4","5","2","7","3","1","1") = "6"
    & skf21("3","4","5","2","7","3","2","1") = "6"
    & skf21("3","4","5","2","7","3","3","1") = "6"
    & skf21("3","4","5","2","7","3","4","1") = "6"
    & skf21("3","4","5","2","7","3","5","1") = "6"
    & skf21("3","4","5","2","7","3","6","1") = "6"
    & skf21("3","4","5","2","7","3","7","1") = "6"
    & skf21("3","4","5","2","7","4","1","1") = "6"
    & skf21("3","4","5","2","7","4","2","1") = "6"
    & skf21("3","4","5","2","7","4","3","1") = "6"
    & skf21("3","4","5","2","7","4","4","1") = "6"
    & skf21("3","4","5","2","7","4","5","1") = "6"
    & skf21("3","4","5","2","7","4","6","1") = "6"
    & skf21("3","4","5","2","7","4","7","1") = "6"
    & skf21("3","4","5","2","7","5","1","1") = "6"
    & skf21("3","4","5","2","7","5","2","1") = "6"
    & skf21("3","4","5","2","7","5","3","1") = "6"
    & skf21("3","4","5","2","7","5","4","1") = "6"
    & skf21("3","4","5","2","7","5","5","1") = "6"
    & skf21("3","4","5","2","7","5","6","1") = "6"
    & skf21("3","4","5","2","7","5","7","1") = "6"
    & skf21("3","4","5","2","7","6","1","1") = "6"
    & skf21("3","4","5","2","7","6","2","1") = "6"
    & skf21("3","4","5","2","7","6","3","1") = "6"
    & skf21("3","4","5","2","7","6","4","1") = "6"
    & skf21("3","4","5","2","7","6","5","1") = "6"
    & skf21("3","4","5","2","7","6","6","1") = "6"
    & skf21("3","4","5","2","7","6","7","1") = "6"
    & skf21("3","4","5","2","7","7","1","1") = "6"
    & skf21("3","4","5","2","7","7","2","1") = "6"
    & skf21("3","4","5","2","7","7","3","1") = "6"
    & skf21("3","4","5","2","7","7","4","1") = "6"
    & skf21("3","4","5","2","7","7","5","1") = "6"
    & skf21("3","4","5","2","7","7","6","1") = "6"
    & skf21("3","4","5","2","7","7","7","1") = "6"
    & skf21("3","4","5","3","1","1","1","1") = "4"
    & skf21("3","4","5","3","1","1","2","1") = "4"
    & skf21("3","4","5","3","1","1","3","1") = "4"
    & skf21("3","4","5","3","1","1","4","1") = "4"
    & skf21("3","4","5","3","1","1","5","1") = "4"
    & skf21("3","4","5","3","1","1","6","1") = "5"
    & skf21("3","4","5","3","1","1","7","1") = "6"
    & skf21("3","4","5","3","1","2","1","1") = "4"
    & skf21("3","4","5","3","1","2","2","1") = "4"
    & skf21("3","4","5","3","1","2","3","1") = "4"
    & skf21("3","4","5","3","1","2","4","1") = "4"
    & skf21("3","4","5","3","1","2","5","1") = "4"
    & skf21("3","4","5","3","1","2","6","1") = "5"
    & skf21("3","4","5","3","1","2","7","1") = "6"
    & skf21("3","4","5","3","1","3","1","1") = "4"
    & skf21("3","4","5","3","1","3","2","1") = "4"
    & skf21("3","4","5","3","1","3","3","1") = "4"
    & skf21("3","4","5","3","1","3","4","1") = "4"
    & skf21("3","4","5","3","1","3","5","1") = "4"
    & skf21("3","4","5","3","1","3","6","1") = "5"
    & skf21("3","4","5","3","1","3","7","1") = "6"
    & skf21("3","4","5","3","1","4","1","1") = "4"
    & skf21("3","4","5","3","1","4","2","1") = "4"
    & skf21("3","4","5","3","1","4","3","1") = "4"
    & skf21("3","4","5","3","1","4","4","1") = "4"
    & skf21("3","4","5","3","1","4","5","1") = "4"
    & skf21("3","4","5","3","1","4","6","1") = "5"
    & skf21("3","4","5","3","1","4","7","1") = "6"
    & skf21("3","4","5","3","1","5","1","1") = "4"
    & skf21("3","4","5","3","1","5","2","1") = "4"
    & skf21("3","4","5","3","1","5","3","1") = "4"
    & skf21("3","4","5","3","1","5","4","1") = "4"
    & skf21("3","4","5","3","1","5","5","1") = "4"
    & skf21("3","4","5","3","1","5","6","1") = "5"
    & skf21("3","4","5","3","1","5","7","1") = "6"
    & skf21("3","4","5","3","1","6","1","1") = "5"
    & skf21("3","4","5","3","1","6","2","1") = "5"
    & skf21("3","4","5","3","1","6","3","1") = "5"
    & skf21("3","4","5","3","1","6","4","1") = "5"
    & skf21("3","4","5","3","1","6","5","1") = "5"
    & skf21("3","4","5","3","1","6","6","1") = "5"
    & skf21("3","4","5","3","1","6","7","1") = "6"
    & skf21("3","4","5","3","1","7","1","1") = "6"
    & skf21("3","4","5","3","1","7","2","1") = "6"
    & skf21("3","4","5","3","1","7","3","1") = "6"
    & skf21("3","4","5","3","1","7","4","1") = "6"
    & skf21("3","4","5","3","1","7","5","1") = "6"
    & skf21("3","4","5","3","1","7","6","1") = "6"
    & skf21("3","4","5","3","1","7","7","1") = "6"
    & skf21("3","4","5","3","2","1","1","1") = "4"
    & skf21("3","4","5","3","2","1","2","1") = "4"
    & skf21("3","4","5","3","2","1","3","1") = "4"
    & skf21("3","4","5","3","2","1","4","1") = "4"
    & skf21("3","4","5","3","2","1","5","1") = "4"
    & skf21("3","4","5","3","2","1","6","1") = "5"
    & skf21("3","4","5","3","2","1","7","1") = "6"
    & skf21("3","4","5","3","2","2","1","1") = "4"
    & skf21("3","4","5","3","2","2","2","1") = "4"
    & skf21("3","4","5","3","2","2","3","1") = "4"
    & skf21("3","4","5","3","2","2","4","1") = "4"
    & skf21("3","4","5","3","2","2","5","1") = "4"
    & skf21("3","4","5","3","2","2","6","1") = "5"
    & skf21("3","4","5","3","2","2","7","1") = "6"
    & skf21("3","4","5","3","2","3","1","1") = "4"
    & skf21("3","4","5","3","2","3","2","1") = "4"
    & skf21("3","4","5","3","2","3","3","1") = "4"
    & skf21("3","4","5","3","2","3","4","1") = "4"
    & skf21("3","4","5","3","2","3","5","1") = "4"
    & skf21("3","4","5","3","2","3","6","1") = "5"
    & skf21("3","4","5","3","2","3","7","1") = "6"
    & skf21("3","4","5","3","2","4","1","1") = "4"
    & skf21("3","4","5","3","2","4","2","1") = "4"
    & skf21("3","4","5","3","2","4","3","1") = "4"
    & skf21("3","4","5","3","2","4","4","1") = "4"
    & skf21("3","4","5","3","2","4","5","1") = "4"
    & skf21("3","4","5","3","2","4","6","1") = "5"
    & skf21("3","4","5","3","2","4","7","1") = "6"
    & skf21("3","4","5","3","2","5","1","1") = "4"
    & skf21("3","4","5","3","2","5","2","1") = "4"
    & skf21("3","4","5","3","2","5","3","1") = "4"
    & skf21("3","4","5","3","2","5","4","1") = "4"
    & skf21("3","4","5","3","2","5","5","1") = "4"
    & skf21("3","4","5","3","2","5","6","1") = "5"
    & skf21("3","4","5","3","2","5","7","1") = "6"
    & skf21("3","4","5","3","2","6","1","1") = "5"
    & skf21("3","4","5","3","2","6","2","1") = "5"
    & skf21("3","4","5","3","2","6","3","1") = "5"
    & skf21("3","4","5","3","2","6","4","1") = "5"
    & skf21("3","4","5","3","2","6","5","1") = "5"
    & skf21("3","4","5","3","2","6","6","1") = "5"
    & skf21("3","4","5","3","2","6","7","1") = "6"
    & skf21("3","4","5","3","2","7","1","1") = "6"
    & skf21("3","4","5","3","2","7","2","1") = "6"
    & skf21("3","4","5","3","2","7","3","1") = "6"
    & skf21("3","4","5","3","2","7","4","1") = "6"
    & skf21("3","4","5","3","2","7","5","1") = "6"
    & skf21("3","4","5","3","2","7","6","1") = "6"
    & skf21("3","4","5","3","2","7","7","1") = "6"
    & skf21("3","4","5","3","3","1","1","1") = "4"
    & skf21("3","4","5","3","3","1","2","1") = "4"
    & skf21("3","4","5","3","3","1","3","1") = "4"
    & skf21("3","4","5","3","3","1","4","1") = "4"
    & skf21("3","4","5","3","3","1","5","1") = "4"
    & skf21("3","4","5","3","3","1","6","1") = "5"
    & skf21("3","4","5","3","3","1","7","1") = "6"
    & skf21("3","4","5","3","3","2","1","1") = "4"
    & skf21("3","4","5","3","3","2","2","1") = "4"
    & skf21("3","4","5","3","3","2","3","1") = "4"
    & skf21("3","4","5","3","3","2","4","1") = "4"
    & skf21("3","4","5","3","3","2","5","1") = "4"
    & skf21("3","4","5","3","3","2","6","1") = "5"
    & skf21("3","4","5","3","3","2","7","1") = "6"
    & skf21("3","4","5","3","3","3","1","1") = "4"
    & skf21("3","4","5","3","3","3","2","1") = "4"
    & skf21("3","4","5","3","3","3","3","1") = "4"
    & skf21("3","4","5","3","3","3","4","1") = "4"
    & skf21("3","4","5","3","3","3","5","1") = "4"
    & skf21("3","4","5","3","3","3","6","1") = "5"
    & skf21("3","4","5","3","3","3","7","1") = "6"
    & skf21("3","4","5","3","3","4","1","1") = "4"
    & skf21("3","4","5","3","3","4","2","1") = "4"
    & skf21("3","4","5","3","3","4","3","1") = "4"
    & skf21("3","4","5","3","3","4","4","1") = "4"
    & skf21("3","4","5","3","3","4","5","1") = "4"
    & skf21("3","4","5","3","3","4","6","1") = "5"
    & skf21("3","4","5","3","3","4","7","1") = "6"
    & skf21("3","4","5","3","3","5","1","1") = "4"
    & skf21("3","4","5","3","3","5","2","1") = "4"
    & skf21("3","4","5","3","3","5","3","1") = "4"
    & skf21("3","4","5","3","3","5","4","1") = "4"
    & skf21("3","4","5","3","3","5","5","1") = "4"
    & skf21("3","4","5","3","3","5","6","1") = "5"
    & skf21("3","4","5","3","3","5","7","1") = "6"
    & skf21("3","4","5","3","3","6","1","1") = "5"
    & skf21("3","4","5","3","3","6","2","1") = "5"
    & skf21("3","4","5","3","3","6","3","1") = "5"
    & skf21("3","4","5","3","3","6","4","1") = "5"
    & skf21("3","4","5","3","3","6","5","1") = "5"
    & skf21("3","4","5","3","3","6","6","1") = "5"
    & skf21("3","4","5","3","3","6","7","1") = "6"
    & skf21("3","4","5","3","3","7","1","1") = "6"
    & skf21("3","4","5","3","3","7","2","1") = "6"
    & skf21("3","4","5","3","3","7","3","1") = "6"
    & skf21("3","4","5","3","3","7","4","1") = "6"
    & skf21("3","4","5","3","3","7","5","1") = "6"
    & skf21("3","4","5","3","3","7","6","1") = "6"
    & skf21("3","4","5","3","3","7","7","1") = "6"
    & skf21("3","4","5","3","4","1","1","1") = "4"
    & skf21("3","4","5","3","4","1","2","1") = "4"
    & skf21("3","4","5","3","4","1","3","1") = "4"
    & skf21("3","4","5","3","4","1","4","1") = "4"
    & skf21("3","4","5","3","4","1","5","1") = "4"
    & skf21("3","4","5","3","4","1","6","1") = "5"
    & skf21("3","4","5","3","4","1","7","1") = "6"
    & skf21("3","4","5","3","4","2","1","1") = "4"
    & skf21("3","4","5","3","4","2","2","1") = "4"
    & skf21("3","4","5","3","4","2","3","1") = "4"
    & skf21("3","4","5","3","4","2","4","1") = "4"
    & skf21("3","4","5","3","4","2","5","1") = "4"
    & skf21("3","4","5","3","4","2","6","1") = "5"
    & skf21("3","4","5","3","4","2","7","1") = "6"
    & skf21("3","4","5","3","4","3","1","1") = "4"
    & skf21("3","4","5","3","4","3","2","1") = "4"
    & skf21("3","4","5","3","4","3","3","1") = "4"
    & skf21("3","4","5","3","4","3","4","1") = "4"
    & skf21("3","4","5","3","4","3","5","1") = "4"
    & skf21("3","4","5","3","4","3","6","1") = "5"
    & skf21("3","4","5","3","4","3","7","1") = "6"
    & skf21("3","4","5","3","4","4","1","1") = "4"
    & skf21("3","4","5","3","4","4","2","1") = "4"
    & skf21("3","4","5","3","4","4","3","1") = "4"
    & skf21("3","4","5","3","4","4","4","1") = "4"
    & skf21("3","4","5","3","4","4","5","1") = "4"
    & skf21("3","4","5","3","4","4","6","1") = "5"
    & skf21("3","4","5","3","4","4","7","1") = "6"
    & skf21("3","4","5","3","4","5","1","1") = "4"
    & skf21("3","4","5","3","4","5","2","1") = "4"
    & skf21("3","4","5","3","4","5","3","1") = "4"
    & skf21("3","4","5","3","4","5","4","1") = "4"
    & skf21("3","4","5","3","4","5","5","1") = "4"
    & skf21("3","4","5","3","4","5","6","1") = "5"
    & skf21("3","4","5","3","4","5","7","1") = "6"
    & skf21("3","4","5","3","4","6","1","1") = "5"
    & skf21("3","4","5","3","4","6","2","1") = "5"
    & skf21("3","4","5","3","4","6","3","1") = "5"
    & skf21("3","4","5","3","4","6","4","1") = "5"
    & skf21("3","4","5","3","4","6","5","1") = "5"
    & skf21("3","4","5","3","4","6","6","1") = "5"
    & skf21("3","4","5","3","4","6","7","1") = "6"
    & skf21("3","4","5","3","4","7","1","1") = "6"
    & skf21("3","4","5","3","4","7","2","1") = "6"
    & skf21("3","4","5","3","4","7","3","1") = "6"
    & skf21("3","4","5","3","4","7","4","1") = "6"
    & skf21("3","4","5","3","4","7","5","1") = "6"
    & skf21("3","4","5","3","4","7","6","1") = "6"
    & skf21("3","4","5","3","4","7","7","1") = "6"
    & skf21("3","4","5","3","5","1","1","1") = "4"
    & skf21("3","4","5","3","5","1","2","1") = "4"
    & skf21("3","4","5","3","5","1","3","1") = "4"
    & skf21("3","4","5","3","5","1","4","1") = "4"
    & skf21("3","4","5","3","5","1","5","1") = "4"
    & skf21("3","4","5","3","5","1","6","1") = "5"
    & skf21("3","4","5","3","5","1","7","1") = "6"
    & skf21("3","4","5","3","5","2","1","1") = "4"
    & skf21("3","4","5","3","5","2","2","1") = "4"
    & skf21("3","4","5","3","5","2","3","1") = "4"
    & skf21("3","4","5","3","5","2","4","1") = "4"
    & skf21("3","4","5","3","5","2","5","1") = "4"
    & skf21("3","4","5","3","5","2","6","1") = "5"
    & skf21("3","4","5","3","5","2","7","1") = "6"
    & skf21("3","4","5","3","5","3","1","1") = "4"
    & skf21("3","4","5","3","5","3","2","1") = "4"
    & skf21("3","4","5","3","5","3","3","1") = "4"
    & skf21("3","4","5","3","5","3","4","1") = "4"
    & skf21("3","4","5","3","5","3","5","1") = "4"
    & skf21("3","4","5","3","5","3","6","1") = "5"
    & skf21("3","4","5","3","5","3","7","1") = "6"
    & skf21("3","4","5","3","5","4","1","1") = "4"
    & skf21("3","4","5","3","5","4","2","1") = "4"
    & skf21("3","4","5","3","5","4","3","1") = "4"
    & skf21("3","4","5","3","5","4","4","1") = "4"
    & skf21("3","4","5","3","5","4","5","1") = "4"
    & skf21("3","4","5","3","5","4","6","1") = "5"
    & skf21("3","4","5","3","5","4","7","1") = "6"
    & skf21("3","4","5","3","5","5","1","1") = "4"
    & skf21("3","4","5","3","5","5","2","1") = "4"
    & skf21("3","4","5","3","5","5","3","1") = "4"
    & skf21("3","4","5","3","5","5","4","1") = "4"
    & skf21("3","4","5","3","5","5","5","1") = "4"
    & skf21("3","4","5","3","5","5","6","1") = "5"
    & skf21("3","4","5","3","5","5","7","1") = "6"
    & skf21("3","4","5","3","5","6","1","1") = "5"
    & skf21("3","4","5","3","5","6","2","1") = "5"
    & skf21("3","4","5","3","5","6","3","1") = "5"
    & skf21("3","4","5","3","5","6","4","1") = "5"
    & skf21("3","4","5","3","5","6","5","1") = "5"
    & skf21("3","4","5","3","5","6","6","1") = "5"
    & skf21("3","4","5","3","5","6","7","1") = "6"
    & skf21("3","4","5","3","5","7","1","1") = "6"
    & skf21("3","4","5","3","5","7","2","1") = "6"
    & skf21("3","4","5","3","5","7","3","1") = "6"
    & skf21("3","4","5","3","5","7","4","1") = "6"
    & skf21("3","4","5","3","5","7","5","1") = "6"
    & skf21("3","4","5","3","5","7","6","1") = "6"
    & skf21("3","4","5","3","5","7","7","1") = "6"
    & skf21("3","4","5","3","6","1","1","1") = "5"
    & skf21("3","4","5","3","6","1","2","1") = "5"
    & skf21("3","4","5","3","6","1","3","1") = "5"
    & skf21("3","4","5","3","6","1","4","1") = "5"
    & skf21("3","4","5","3","6","1","5","1") = "5"
    & skf21("3","4","5","3","6","1","6","1") = "5"
    & skf21("3","4","5","3","6","1","7","1") = "6"
    & skf21("3","4","5","3","6","2","1","1") = "5"
    & skf21("3","4","5","3","6","2","2","1") = "5"
    & skf21("3","4","5","3","6","2","3","1") = "5"
    & skf21("3","4","5","3","6","2","4","1") = "5"
    & skf21("3","4","5","3","6","2","5","1") = "5"
    & skf21("3","4","5","3","6","2","6","1") = "5"
    & skf21("3","4","5","3","6","2","7","1") = "6"
    & skf21("3","4","5","3","6","3","1","1") = "5"
    & skf21("3","4","5","3","6","3","2","1") = "5"
    & skf21("3","4","5","3","6","3","3","1") = "5"
    & skf21("3","4","5","3","6","3","4","1") = "5"
    & skf21("3","4","5","3","6","3","5","1") = "5"
    & skf21("3","4","5","3","6","3","6","1") = "5"
    & skf21("3","4","5","3","6","3","7","1") = "6"
    & skf21("3","4","5","3","6","4","1","1") = "5"
    & skf21("3","4","5","3","6","4","2","1") = "5"
    & skf21("3","4","5","3","6","4","3","1") = "5"
    & skf21("3","4","5","3","6","4","4","1") = "5"
    & skf21("3","4","5","3","6","4","5","1") = "5"
    & skf21("3","4","5","3","6","4","6","1") = "5"
    & skf21("3","4","5","3","6","4","7","1") = "6"
    & skf21("3","4","5","3","6","5","1","1") = "5"
    & skf21("3","4","5","3","6","5","2","1") = "5"
    & skf21("3","4","5","3","6","5","3","1") = "5"
    & skf21("3","4","5","3","6","5","4","1") = "5"
    & skf21("3","4","5","3","6","5","5","1") = "5"
    & skf21("3","4","5","3","6","5","6","1") = "5"
    & skf21("3","4","5","3","6","5","7","1") = "6"
    & skf21("3","4","5","3","6","6","1","1") = "5"
    & skf21("3","4","5","3","6","6","2","1") = "5"
    & skf21("3","4","5","3","6","6","3","1") = "5"
    & skf21("3","4","5","3","6","6","4","1") = "5"
    & skf21("3","4","5","3","6","6","5","1") = "5"
    & skf21("3","4","5","3","6","6","6","1") = "5"
    & skf21("3","4","5","3","6","6","7","1") = "6"
    & skf21("3","4","5","3","6","7","1","1") = "6"
    & skf21("3","4","5","3","6","7","2","1") = "6"
    & skf21("3","4","5","3","6","7","3","1") = "6"
    & skf21("3","4","5","3","6","7","4","1") = "6"
    & skf21("3","4","5","3","6","7","5","1") = "6"
    & skf21("3","4","5","3","6","7","6","1") = "6"
    & skf21("3","4","5","3","6","7","7","1") = "6"
    & skf21("3","4","5","3","7","1","1","1") = "6"
    & skf21("3","4","5","3","7","1","2","1") = "6"
    & skf21("3","4","5","3","7","1","3","1") = "6"
    & skf21("3","4","5","3","7","1","4","1") = "6"
    & skf21("3","4","5","3","7","1","5","1") = "6"
    & skf21("3","4","5","3","7","1","6","1") = "6"
    & skf21("3","4","5","3","7","1","7","1") = "6"
    & skf21("3","4","5","3","7","2","1","1") = "6"
    & skf21("3","4","5","3","7","2","2","1") = "6"
    & skf21("3","4","5","3","7","2","3","1") = "6"
    & skf21("3","4","5","3","7","2","4","1") = "6"
    & skf21("3","4","5","3","7","2","5","1") = "6"
    & skf21("3","4","5","3","7","2","6","1") = "6"
    & skf21("3","4","5","3","7","2","7","1") = "6"
    & skf21("3","4","5","3","7","3","1","1") = "6"
    & skf21("3","4","5","3","7","3","2","1") = "6"
    & skf21("3","4","5","3","7","3","3","1") = "6"
    & skf21("3","4","5","3","7","3","4","1") = "6"
    & skf21("3","4","5","3","7","3","5","1") = "6"
    & skf21("3","4","5","3","7","3","6","1") = "6"
    & skf21("3","4","5","3","7","3","7","1") = "6"
    & skf21("3","4","5","3","7","4","1","1") = "6"
    & skf21("3","4","5","3","7","4","2","1") = "6"
    & skf21("3","4","5","3","7","4","3","1") = "6"
    & skf21("3","4","5","3","7","4","4","1") = "6"
    & skf21("3","4","5","3","7","4","5","1") = "6"
    & skf21("3","4","5","3","7","4","6","1") = "6"
    & skf21("3","4","5","3","7","4","7","1") = "6"
    & skf21("3","4","5","3","7","5","1","1") = "6"
    & skf21("3","4","5","3","7","5","2","1") = "6"
    & skf21("3","4","5","3","7","5","3","1") = "6"
    & skf21("3","4","5","3","7","5","4","1") = "6"
    & skf21("3","4","5","3","7","5","5","1") = "6"
    & skf21("3","4","5","3","7","5","6","1") = "6"
    & skf21("3","4","5","3","7","5","7","1") = "6"
    & skf21("3","4","5","3","7","6","1","1") = "6"
    & skf21("3","4","5","3","7","6","2","1") = "6"
    & skf21("3","4","5","3","7","6","3","1") = "6"
    & skf21("3","4","5","3","7","6","4","1") = "6"
    & skf21("3","4","5","3","7","6","5","1") = "6"
    & skf21("3","4","5","3","7","6","6","1") = "6"
    & skf21("3","4","5","3","7","6","7","1") = "6"
    & skf21("3","4","5","3","7","7","1","1") = "6"
    & skf21("3","4","5","3","7","7","2","1") = "6"
    & skf21("3","4","5","3","7","7","3","1") = "6"
    & skf21("3","4","5","3","7","7","4","1") = "6"
    & skf21("3","4","5","3","7","7","5","1") = "6"
    & skf21("3","4","5","3","7","7","6","1") = "6"
    & skf21("3","4","5","3","7","7","7","1") = "6"
    & skf21("3","4","5","4","1","1","1","1") = "4"
    & skf21("3","4","5","4","1","1","2","1") = "4"
    & skf21("3","4","5","4","1","1","3","1") = "4"
    & skf21("3","4","5","4","1","1","4","1") = "4"
    & skf21("3","4","5","4","1","1","5","1") = "4"
    & skf21("3","4","5","4","1","1","6","1") = "5"
    & skf21("3","4","5","4","1","1","7","1") = "6"
    & skf21("3","4","5","4","1","2","1","1") = "4"
    & skf21("3","4","5","4","1","2","2","1") = "4"
    & skf21("3","4","5","4","1","2","3","1") = "4"
    & skf21("3","4","5","4","1","2","4","1") = "4"
    & skf21("3","4","5","4","1","2","5","1") = "4"
    & skf21("3","4","5","4","1","2","6","1") = "5"
    & skf21("3","4","5","4","1","2","7","1") = "6"
    & skf21("3","4","5","4","1","3","1","1") = "4"
    & skf21("3","4","5","4","1","3","2","1") = "4"
    & skf21("3","4","5","4","1","3","3","1") = "4"
    & skf21("3","4","5","4","1","3","4","1") = "4"
    & skf21("3","4","5","4","1","3","5","1") = "4"
    & skf21("3","4","5","4","1","3","6","1") = "5"
    & skf21("3","4","5","4","1","3","7","1") = "6"
    & skf21("3","4","5","4","1","4","1","1") = "4"
    & skf21("3","4","5","4","1","4","2","1") = "4"
    & skf21("3","4","5","4","1","4","3","1") = "4"
    & skf21("3","4","5","4","1","4","4","1") = "4"
    & skf21("3","4","5","4","1","4","5","1") = "4"
    & skf21("3","4","5","4","1","4","6","1") = "5"
    & skf21("3","4","5","4","1","4","7","1") = "6"
    & skf21("3","4","5","4","1","5","1","1") = "4"
    & skf21("3","4","5","4","1","5","2","1") = "4"
    & skf21("3","4","5","4","1","5","3","1") = "4"
    & skf21("3","4","5","4","1","5","4","1") = "4"
    & skf21("3","4","5","4","1","5","5","1") = "4"
    & skf21("3","4","5","4","1","5","6","1") = "5"
    & skf21("3","4","5","4","1","5","7","1") = "6"
    & skf21("3","4","5","4","1","6","1","1") = "5"
    & skf21("3","4","5","4","1","6","2","1") = "5"
    & skf21("3","4","5","4","1","6","3","1") = "5"
    & skf21("3","4","5","4","1","6","4","1") = "5"
    & skf21("3","4","5","4","1","6","5","1") = "5"
    & skf21("3","4","5","4","1","6","6","1") = "5"
    & skf21("3","4","5","4","1","6","7","1") = "6"
    & skf21("3","4","5","4","1","7","1","1") = "6"
    & skf21("3","4","5","4","1","7","2","1") = "6"
    & skf21("3","4","5","4","1","7","3","1") = "6"
    & skf21("3","4","5","4","1","7","4","1") = "6"
    & skf21("3","4","5","4","1","7","5","1") = "6"
    & skf21("3","4","5","4","1","7","6","1") = "6"
    & skf21("3","4","5","4","1","7","7","1") = "6"
    & skf21("3","4","5","4","2","1","1","1") = "4"
    & skf21("3","4","5","4","2","1","2","1") = "4"
    & skf21("3","4","5","4","2","1","3","1") = "4"
    & skf21("3","4","5","4","2","1","4","1") = "4"
    & skf21("3","4","5","4","2","1","5","1") = "4"
    & skf21("3","4","5","4","2","1","6","1") = "5"
    & skf21("3","4","5","4","2","1","7","1") = "6"
    & skf21("3","4","5","4","2","2","1","1") = "4"
    & skf21("3","4","5","4","2","2","2","1") = "4"
    & skf21("3","4","5","4","2","2","3","1") = "4"
    & skf21("3","4","5","4","2","2","4","1") = "4"
    & skf21("3","4","5","4","2","2","5","1") = "4"
    & skf21("3","4","5","4","2","2","6","1") = "5"
    & skf21("3","4","5","4","2","2","7","1") = "6"
    & skf21("3","4","5","4","2","3","1","1") = "4"
    & skf21("3","4","5","4","2","3","2","1") = "4"
    & skf21("3","4","5","4","2","3","3","1") = "4"
    & skf21("3","4","5","4","2","3","4","1") = "4"
    & skf21("3","4","5","4","2","3","5","1") = "4"
    & skf21("3","4","5","4","2","3","6","1") = "5"
    & skf21("3","4","5","4","2","3","7","1") = "6"
    & skf21("3","4","5","4","2","4","1","1") = "4"
    & skf21("3","4","5","4","2","4","2","1") = "4"
    & skf21("3","4","5","4","2","4","3","1") = "4"
    & skf21("3","4","5","4","2","4","4","1") = "4"
    & skf21("3","4","5","4","2","4","5","1") = "4"
    & skf21("3","4","5","4","2","4","6","1") = "5"
    & skf21("3","4","5","4","2","4","7","1") = "6"
    & skf21("3","4","5","4","2","5","1","1") = "4"
    & skf21("3","4","5","4","2","5","2","1") = "4"
    & skf21("3","4","5","4","2","5","3","1") = "4"
    & skf21("3","4","5","4","2","5","4","1") = "4"
    & skf21("3","4","5","4","2","5","5","1") = "4"
    & skf21("3","4","5","4","2","5","6","1") = "5"
    & skf21("3","4","5","4","2","5","7","1") = "6"
    & skf21("3","4","5","4","2","6","1","1") = "5"
    & skf21("3","4","5","4","2","6","2","1") = "5"
    & skf21("3","4","5","4","2","6","3","1") = "5"
    & skf21("3","4","5","4","2","6","4","1") = "5"
    & skf21("3","4","5","4","2","6","5","1") = "5"
    & skf21("3","4","5","4","2","6","6","1") = "5"
    & skf21("3","4","5","4","2","6","7","1") = "6"
    & skf21("3","4","5","4","2","7","1","1") = "6"
    & skf21("3","4","5","4","2","7","2","1") = "6"
    & skf21("3","4","5","4","2","7","3","1") = "6"
    & skf21("3","4","5","4","2","7","4","1") = "6"
    & skf21("3","4","5","4","2","7","5","1") = "6"
    & skf21("3","4","5","4","2","7","6","1") = "6"
    & skf21("3","4","5","4","2","7","7","1") = "6"
    & skf21("3","4","5","4","3","1","1","1") = "4"
    & skf21("3","4","5","4","3","1","2","1") = "4"
    & skf21("3","4","5","4","3","1","3","1") = "4"
    & skf21("3","4","5","4","3","1","4","1") = "4"
    & skf21("3","4","5","4","3","1","5","1") = "4"
    & skf21("3","4","5","4","3","1","6","1") = "5"
    & skf21("3","4","5","4","3","1","7","1") = "6"
    & skf21("3","4","5","4","3","2","1","1") = "4"
    & skf21("3","4","5","4","3","2","2","1") = "4"
    & skf21("3","4","5","4","3","2","3","1") = "4"
    & skf21("3","4","5","4","3","2","4","1") = "4"
    & skf21("3","4","5","4","3","2","5","1") = "4"
    & skf21("3","4","5","4","3","2","6","1") = "5"
    & skf21("3","4","5","4","3","2","7","1") = "6"
    & skf21("3","4","5","4","3","3","1","1") = "4"
    & skf21("3","4","5","4","3","3","2","1") = "4"
    & skf21("3","4","5","4","3","3","3","1") = "4"
    & skf21("3","4","5","4","3","3","4","1") = "4"
    & skf21("3","4","5","4","3","3","5","1") = "4"
    & skf21("3","4","5","4","3","3","6","1") = "5"
    & skf21("3","4","5","4","3","3","7","1") = "6"
    & skf21("3","4","5","4","3","4","1","1") = "4"
    & skf21("3","4","5","4","3","4","2","1") = "4"
    & skf21("3","4","5","4","3","4","3","1") = "4"
    & skf21("3","4","5","4","3","4","4","1") = "4"
    & skf21("3","4","5","4","3","4","5","1") = "4"
    & skf21("3","4","5","4","3","4","6","1") = "5"
    & skf21("3","4","5","4","3","4","7","1") = "6"
    & skf21("3","4","5","4","3","5","1","1") = "4"
    & skf21("3","4","5","4","3","5","2","1") = "4"
    & skf21("3","4","5","4","3","5","3","1") = "4"
    & skf21("3","4","5","4","3","5","4","1") = "4"
    & skf21("3","4","5","4","3","5","5","1") = "4"
    & skf21("3","4","5","4","3","5","6","1") = "5"
    & skf21("3","4","5","4","3","5","7","1") = "6"
    & skf21("3","4","5","4","3","6","1","1") = "5"
    & skf21("3","4","5","4","3","6","2","1") = "5"
    & skf21("3","4","5","4","3","6","3","1") = "5"
    & skf21("3","4","5","4","3","6","4","1") = "5"
    & skf21("3","4","5","4","3","6","5","1") = "5"
    & skf21("3","4","5","4","3","6","6","1") = "5"
    & skf21("3","4","5","4","3","6","7","1") = "6"
    & skf21("3","4","5","4","3","7","1","1") = "6"
    & skf21("3","4","5","4","3","7","2","1") = "6"
    & skf21("3","4","5","4","3","7","3","1") = "6"
    & skf21("3","4","5","4","3","7","4","1") = "6"
    & skf21("3","4","5","4","3","7","5","1") = "6"
    & skf21("3","4","5","4","3","7","6","1") = "6"
    & skf21("3","4","5","4","3","7","7","1") = "6"
    & skf21("3","4","5","4","4","1","1","1") = "4"
    & skf21("3","4","5","4","4","1","2","1") = "4"
    & skf21("3","4","5","4","4","1","3","1") = "4"
    & skf21("3","4","5","4","4","1","4","1") = "4"
    & skf21("3","4","5","4","4","1","5","1") = "4"
    & skf21("3","4","5","4","4","1","6","1") = "5"
    & skf21("3","4","5","4","4","1","7","1") = "6"
    & skf21("3","4","5","4","4","2","1","1") = "4"
    & skf21("3","4","5","4","4","2","2","1") = "4"
    & skf21("3","4","5","4","4","2","3","1") = "4"
    & skf21("3","4","5","4","4","2","4","1") = "4"
    & skf21("3","4","5","4","4","2","5","1") = "4"
    & skf21("3","4","5","4","4","2","6","1") = "5"
    & skf21("3","4","5","4","4","2","7","1") = "6"
    & skf21("3","4","5","4","4","3","1","1") = "4"
    & skf21("3","4","5","4","4","3","2","1") = "4"
    & skf21("3","4","5","4","4","3","3","1") = "4"
    & skf21("3","4","5","4","4","3","4","1") = "4"
    & skf21("3","4","5","4","4","3","5","1") = "4"
    & skf21("3","4","5","4","4","3","6","1") = "5"
    & skf21("3","4","5","4","4","3","7","1") = "6"
    & skf21("3","4","5","4","4","4","1","1") = "4"
    & skf21("3","4","5","4","4","4","2","1") = "4"
    & skf21("3","4","5","4","4","4","3","1") = "4"
    & skf21("3","4","5","4","4","4","4","1") = "4"
    & skf21("3","4","5","4","4","4","5","1") = "4"
    & skf21("3","4","5","4","4","4","6","1") = "5"
    & skf21("3","4","5","4","4","4","7","1") = "6"
    & skf21("3","4","5","4","4","5","1","1") = "4"
    & skf21("3","4","5","4","4","5","2","1") = "4"
    & skf21("3","4","5","4","4","5","3","1") = "4"
    & skf21("3","4","5","4","4","5","4","1") = "4"
    & skf21("3","4","5","4","4","5","5","1") = "4"
    & skf21("3","4","5","4","4","5","6","1") = "5"
    & skf21("3","4","5","4","4","5","7","1") = "6"
    & skf21("3","4","5","4","4","6","1","1") = "5"
    & skf21("3","4","5","4","4","6","2","1") = "5"
    & skf21("3","4","5","4","4","6","3","1") = "5"
    & skf21("3","4","5","4","4","6","4","1") = "5"
    & skf21("3","4","5","4","4","6","5","1") = "5"
    & skf21("3","4","5","4","4","6","6","1") = "5"
    & skf21("3","4","5","4","4","6","7","1") = "6"
    & skf21("3","4","5","4","4","7","1","1") = "6"
    & skf21("3","4","5","4","4","7","2","1") = "6"
    & skf21("3","4","5","4","4","7","3","1") = "6"
    & skf21("3","4","5","4","4","7","4","1") = "6"
    & skf21("3","4","5","4","4","7","5","1") = "6"
    & skf21("3","4","5","4","4","7","6","1") = "6"
    & skf21("3","4","5","4","4","7","7","1") = "6"
    & skf21("3","4","5","4","5","1","1","1") = "4"
    & skf21("3","4","5","4","5","1","2","1") = "4"
    & skf21("3","4","5","4","5","1","3","1") = "4"
    & skf21("3","4","5","4","5","1","4","1") = "4"
    & skf21("3","4","5","4","5","1","5","1") = "4"
    & skf21("3","4","5","4","5","1","6","1") = "5"
    & skf21("3","4","5","4","5","1","7","1") = "6"
    & skf21("3","4","5","4","5","2","1","1") = "4"
    & skf21("3","4","5","4","5","2","2","1") = "4"
    & skf21("3","4","5","4","5","2","3","1") = "4"
    & skf21("3","4","5","4","5","2","4","1") = "4"
    & skf21("3","4","5","4","5","2","5","1") = "4"
    & skf21("3","4","5","4","5","2","6","1") = "5"
    & skf21("3","4","5","4","5","2","7","1") = "6"
    & skf21("3","4","5","4","5","3","1","1") = "4"
    & skf21("3","4","5","4","5","3","2","1") = "4"
    & skf21("3","4","5","4","5","3","3","1") = "4"
    & skf21("3","4","5","4","5","3","4","1") = "4"
    & skf21("3","4","5","4","5","3","5","1") = "4"
    & skf21("3","4","5","4","5","3","6","1") = "5"
    & skf21("3","4","5","4","5","3","7","1") = "6"
    & skf21("3","4","5","4","5","4","1","1") = "4"
    & skf21("3","4","5","4","5","4","2","1") = "4"
    & skf21("3","4","5","4","5","4","3","1") = "4"
    & skf21("3","4","5","4","5","4","4","1") = "4"
    & skf21("3","4","5","4","5","4","5","1") = "4"
    & skf21("3","4","5","4","5","4","6","1") = "5"
    & skf21("3","4","5","4","5","4","7","1") = "6"
    & skf21("3","4","5","4","5","5","1","1") = "4"
    & skf21("3","4","5","4","5","5","2","1") = "4"
    & skf21("3","4","5","4","5","5","3","1") = "4"
    & skf21("3","4","5","4","5","5","4","1") = "4"
    & skf21("3","4","5","4","5","5","5","1") = "4"
    & skf21("3","4","5","4","5","5","6","1") = "5"
    & skf21("3","4","5","4","5","5","7","1") = "6"
    & skf21("3","4","5","4","5","6","1","1") = "5"
    & skf21("3","4","5","4","5","6","2","1") = "5"
    & skf21("3","4","5","4","5","6","3","1") = "5"
    & skf21("3","4","5","4","5","6","4","1") = "5"
    & skf21("3","4","5","4","5","6","5","1") = "5"
    & skf21("3","4","5","4","5","6","6","1") = "5"
    & skf21("3","4","5","4","5","6","7","1") = "6"
    & skf21("3","4","5","4","5","7","1","1") = "6"
    & skf21("3","4","5","4","5","7","2","1") = "6"
    & skf21("3","4","5","4","5","7","3","1") = "6"
    & skf21("3","4","5","4","5","7","4","1") = "6"
    & skf21("3","4","5","4","5","7","5","1") = "6"
    & skf21("3","4","5","4","5","7","6","1") = "6"
    & skf21("3","4","5","4","5","7","7","1") = "6"
    & skf21("3","4","5","4","6","1","1","1") = "5"
    & skf21("3","4","5","4","6","1","2","1") = "5"
    & skf21("3","4","5","4","6","1","3","1") = "5"
    & skf21("3","4","5","4","6","1","4","1") = "5"
    & skf21("3","4","5","4","6","1","5","1") = "5"
    & skf21("3","4","5","4","6","1","6","1") = "5"
    & skf21("3","4","5","4","6","1","7","1") = "6"
    & skf21("3","4","5","4","6","2","1","1") = "5"
    & skf21("3","4","5","4","6","2","2","1") = "5"
    & skf21("3","4","5","4","6","2","3","1") = "5"
    & skf21("3","4","5","4","6","2","4","1") = "5"
    & skf21("3","4","5","4","6","2","5","1") = "5"
    & skf21("3","4","5","4","6","2","6","1") = "5"
    & skf21("3","4","5","4","6","2","7","1") = "6"
    & skf21("3","4","5","4","6","3","1","1") = "5"
    & skf21("3","4","5","4","6","3","2","1") = "5"
    & skf21("3","4","5","4","6","3","3","1") = "5"
    & skf21("3","4","5","4","6","3","4","1") = "5"
    & skf21("3","4","5","4","6","3","5","1") = "5"
    & skf21("3","4","5","4","6","3","6","1") = "5"
    & skf21("3","4","5","4","6","3","7","1") = "6"
    & skf21("3","4","5","4","6","4","1","1") = "5"
    & skf21("3","4","5","4","6","4","2","1") = "5"
    & skf21("3","4","5","4","6","4","3","1") = "5"
    & skf21("3","4","5","4","6","4","4","1") = "5"
    & skf21("3","4","5","4","6","4","5","1") = "5"
    & skf21("3","4","5","4","6","4","6","1") = "5"
    & skf21("3","4","5","4","6","4","7","1") = "6"
    & skf21("3","4","5","4","6","5","1","1") = "5"
    & skf21("3","4","5","4","6","5","2","1") = "5"
    & skf21("3","4","5","4","6","5","3","1") = "5"
    & skf21("3","4","5","4","6","5","4","1") = "5"
    & skf21("3","4","5","4","6","5","5","1") = "5"
    & skf21("3","4","5","4","6","5","6","1") = "5"
    & skf21("3","4","5","4","6","5","7","1") = "6"
    & skf21("3","4","5","4","6","6","1","1") = "5"
    & skf21("3","4","5","4","6","6","2","1") = "5"
    & skf21("3","4","5","4","6","6","3","1") = "5"
    & skf21("3","4","5","4","6","6","4","1") = "5"
    & skf21("3","4","5","4","6","6","5","1") = "5"
    & skf21("3","4","5","4","6","6","6","1") = "5"
    & skf21("3","4","5","4","6","6","7","1") = "6"
    & skf21("3","4","5","4","6","7","1","1") = "6"
    & skf21("3","4","5","4","6","7","2","1") = "6"
    & skf21("3","4","5","4","6","7","3","1") = "6"
    & skf21("3","4","5","4","6","7","4","1") = "6"
    & skf21("3","4","5","4","6","7","5","1") = "6"
    & skf21("3","4","5","4","6","7","6","1") = "6"
    & skf21("3","4","5","4","6","7","7","1") = "6"
    & skf21("3","4","5","4","7","1","1","1") = "6"
    & skf21("3","4","5","4","7","1","2","1") = "6"
    & skf21("3","4","5","4","7","1","3","1") = "6"
    & skf21("3","4","5","4","7","1","4","1") = "6"
    & skf21("3","4","5","4","7","1","5","1") = "6"
    & skf21("3","4","5","4","7","1","6","1") = "6"
    & skf21("3","4","5","4","7","1","7","1") = "6"
    & skf21("3","4","5","4","7","2","1","1") = "6"
    & skf21("3","4","5","4","7","2","2","1") = "6"
    & skf21("3","4","5","4","7","2","3","1") = "6"
    & skf21("3","4","5","4","7","2","4","1") = "6"
    & skf21("3","4","5","4","7","2","5","1") = "6"
    & skf21("3","4","5","4","7","2","6","1") = "6"
    & skf21("3","4","5","4","7","2","7","1") = "6"
    & skf21("3","4","5","4","7","3","1","1") = "6"
    & skf21("3","4","5","4","7","3","2","1") = "6"
    & skf21("3","4","5","4","7","3","3","1") = "6"
    & skf21("3","4","5","4","7","3","4","1") = "6"
    & skf21("3","4","5","4","7","3","5","1") = "6"
    & skf21("3","4","5","4","7","3","6","1") = "6"
    & skf21("3","4","5","4","7","3","7","1") = "6"
    & skf21("3","4","5","4","7","4","1","1") = "6"
    & skf21("3","4","5","4","7","4","2","1") = "6"
    & skf21("3","4","5","4","7","4","3","1") = "6"
    & skf21("3","4","5","4","7","4","4","1") = "6"
    & skf21("3","4","5","4","7","4","5","1") = "6"
    & skf21("3","4","5","4","7","4","6","1") = "6"
    & skf21("3","4","5","4","7","4","7","1") = "6"
    & skf21("3","4","5","4","7","5","1","1") = "6"
    & skf21("3","4","5","4","7","5","2","1") = "6"
    & skf21("3","4","5","4","7","5","3","1") = "6"
    & skf21("3","4","5","4","7","5","4","1") = "6"
    & skf21("3","4","5","4","7","5","5","1") = "6"
    & skf21("3","4","5","4","7","5","6","1") = "6"
    & skf21("3","4","5","4","7","5","7","1") = "6"
    & skf21("3","4","5","4","7","6","1","1") = "6"
    & skf21("3","4","5","4","7","6","2","1") = "6"
    & skf21("3","4","5","4","7","6","3","1") = "6"
    & skf21("3","4","5","4","7","6","4","1") = "6"
    & skf21("3","4","5","4","7","6","5","1") = "6"
    & skf21("3","4","5","4","7","6","6","1") = "6"
    & skf21("3","4","5","4","7","6","7","1") = "6"
    & skf21("3","4","5","4","7","7","1","1") = "6"
    & skf21("3","4","5","4","7","7","2","1") = "6"
    & skf21("3","4","5","4","7","7","3","1") = "6"
    & skf21("3","4","5","4","7","7","4","1") = "6"
    & skf21("3","4","5","4","7","7","5","1") = "6"
    & skf21("3","4","5","4","7","7","6","1") = "6"
    & skf21("3","4","5","4","7","7","7","1") = "6"
    & skf21("3","4","5","5","1","1","1","1") = "4"
    & skf21("3","4","5","5","1","1","2","1") = "4"
    & skf21("3","4","5","5","1","1","3","1") = "4"
    & skf21("3","4","5","5","1","1","4","1") = "4"
    & skf21("3","4","5","5","1","1","5","1") = "4"
    & skf21("3","4","5","5","1","1","6","1") = "5"
    & skf21("3","4","5","5","1","1","7","1") = "6"
    & skf21("3","4","5","5","1","2","1","1") = "4"
    & skf21("3","4","5","5","1","2","2","1") = "4"
    & skf21("3","4","5","5","1","2","3","1") = "4"
    & skf21("3","4","5","5","1","2","4","1") = "4"
    & skf21("3","4","5","5","1","2","5","1") = "4"
    & skf21("3","4","5","5","1","2","6","1") = "5"
    & skf21("3","4","5","5","1","2","7","1") = "6"
    & skf21("3","4","5","5","1","3","1","1") = "4"
    & skf21("3","4","5","5","1","3","2","1") = "4"
    & skf21("3","4","5","5","1","3","3","1") = "4"
    & skf21("3","4","5","5","1","3","4","1") = "4"
    & skf21("3","4","5","5","1","3","5","1") = "4"
    & skf21("3","4","5","5","1","3","6","1") = "5"
    & skf21("3","4","5","5","1","3","7","1") = "6"
    & skf21("3","4","5","5","1","4","1","1") = "4"
    & skf21("3","4","5","5","1","4","2","1") = "4"
    & skf21("3","4","5","5","1","4","3","1") = "4"
    & skf21("3","4","5","5","1","4","4","1") = "4"
    & skf21("3","4","5","5","1","4","5","1") = "4"
    & skf21("3","4","5","5","1","4","6","1") = "5"
    & skf21("3","4","5","5","1","4","7","1") = "6"
    & skf21("3","4","5","5","1","5","1","1") = "4"
    & skf21("3","4","5","5","1","5","2","1") = "4"
    & skf21("3","4","5","5","1","5","3","1") = "4"
    & skf21("3","4","5","5","1","5","4","1") = "4"
    & skf21("3","4","5","5","1","5","5","1") = "4"
    & skf21("3","4","5","5","1","5","6","1") = "5"
    & skf21("3","4","5","5","1","5","7","1") = "6"
    & skf21("3","4","5","5","1","6","1","1") = "5"
    & skf21("3","4","5","5","1","6","2","1") = "5"
    & skf21("3","4","5","5","1","6","3","1") = "5"
    & skf21("3","4","5","5","1","6","4","1") = "5"
    & skf21("3","4","5","5","1","6","5","1") = "5"
    & skf21("3","4","5","5","1","6","6","1") = "5"
    & skf21("3","4","5","5","1","6","7","1") = "6"
    & skf21("3","4","5","5","1","7","1","1") = "6"
    & skf21("3","4","5","5","1","7","2","1") = "6"
    & skf21("3","4","5","5","1","7","3","1") = "6"
    & skf21("3","4","5","5","1","7","4","1") = "6"
    & skf21("3","4","5","5","1","7","5","1") = "6"
    & skf21("3","4","5","5","1","7","6","1") = "6"
    & skf21("3","4","5","5","1","7","7","1") = "6"
    & skf21("3","4","5","5","2","1","1","1") = "4"
    & skf21("3","4","5","5","2","1","2","1") = "4"
    & skf21("3","4","5","5","2","1","3","1") = "4"
    & skf21("3","4","5","5","2","1","4","1") = "4"
    & skf21("3","4","5","5","2","1","5","1") = "4"
    & skf21("3","4","5","5","2","1","6","1") = "5"
    & skf21("3","4","5","5","2","1","7","1") = "6"
    & skf21("3","4","5","5","2","2","1","1") = "4"
    & skf21("3","4","5","5","2","2","2","1") = "4"
    & skf21("3","4","5","5","2","2","3","1") = "4"
    & skf21("3","4","5","5","2","2","4","1") = "4"
    & skf21("3","4","5","5","2","2","5","1") = "4"
    & skf21("3","4","5","5","2","2","6","1") = "5"
    & skf21("3","4","5","5","2","2","7","1") = "6"
    & skf21("3","4","5","5","2","3","1","1") = "4"
    & skf21("3","4","5","5","2","3","2","1") = "4"
    & skf21("3","4","5","5","2","3","3","1") = "4"
    & skf21("3","4","5","5","2","3","4","1") = "4"
    & skf21("3","4","5","5","2","3","5","1") = "4"
    & skf21("3","4","5","5","2","3","6","1") = "5"
    & skf21("3","4","5","5","2","3","7","1") = "6"
    & skf21("3","4","5","5","2","4","1","1") = "4"
    & skf21("3","4","5","5","2","4","2","1") = "4"
    & skf21("3","4","5","5","2","4","3","1") = "4"
    & skf21("3","4","5","5","2","4","4","1") = "4"
    & skf21("3","4","5","5","2","4","5","1") = "4"
    & skf21("3","4","5","5","2","4","6","1") = "5"
    & skf21("3","4","5","5","2","4","7","1") = "6"
    & skf21("3","4","5","5","2","5","1","1") = "4"
    & skf21("3","4","5","5","2","5","2","1") = "4"
    & skf21("3","4","5","5","2","5","3","1") = "4"
    & skf21("3","4","5","5","2","5","4","1") = "4"
    & skf21("3","4","5","5","2","5","5","1") = "4"
    & skf21("3","4","5","5","2","5","6","1") = "5"
    & skf21("3","4","5","5","2","5","7","1") = "6"
    & skf21("3","4","5","5","2","6","1","1") = "5"
    & skf21("3","4","5","5","2","6","2","1") = "5"
    & skf21("3","4","5","5","2","6","3","1") = "5"
    & skf21("3","4","5","5","2","6","4","1") = "5"
    & skf21("3","4","5","5","2","6","5","1") = "5"
    & skf21("3","4","5","5","2","6","6","1") = "5"
    & skf21("3","4","5","5","2","6","7","1") = "6"
    & skf21("3","4","5","5","2","7","1","1") = "6"
    & skf21("3","4","5","5","2","7","2","1") = "6"
    & skf21("3","4","5","5","2","7","3","1") = "6"
    & skf21("3","4","5","5","2","7","4","1") = "6"
    & skf21("3","4","5","5","2","7","5","1") = "6"
    & skf21("3","4","5","5","2","7","6","1") = "6"
    & skf21("3","4","5","5","2","7","7","1") = "6"
    & skf21("3","4","5","5","3","1","1","1") = "4"
    & skf21("3","4","5","5","3","1","2","1") = "4"
    & skf21("3","4","5","5","3","1","3","1") = "4"
    & skf21("3","4","5","5","3","1","4","1") = "4"
    & skf21("3","4","5","5","3","1","5","1") = "4"
    & skf21("3","4","5","5","3","1","6","1") = "5"
    & skf21("3","4","5","5","3","1","7","1") = "6"
    & skf21("3","4","5","5","3","2","1","1") = "4"
    & skf21("3","4","5","5","3","2","2","1") = "4"
    & skf21("3","4","5","5","3","2","3","1") = "4"
    & skf21("3","4","5","5","3","2","4","1") = "4"
    & skf21("3","4","5","5","3","2","5","1") = "4"
    & skf21("3","4","5","5","3","2","6","1") = "5"
    & skf21("3","4","5","5","3","2","7","1") = "6"
    & skf21("3","4","5","5","3","3","1","1") = "4"
    & skf21("3","4","5","5","3","3","2","1") = "4"
    & skf21("3","4","5","5","3","3","3","1") = "4"
    & skf21("3","4","5","5","3","3","4","1") = "4"
    & skf21("3","4","5","5","3","3","5","1") = "4"
    & skf21("3","4","5","5","3","3","6","1") = "5"
    & skf21("3","4","5","5","3","3","7","1") = "6"
    & skf21("3","4","5","5","3","4","1","1") = "4"
    & skf21("3","4","5","5","3","4","2","1") = "4"
    & skf21("3","4","5","5","3","4","3","1") = "4"
    & skf21("3","4","5","5","3","4","4","1") = "4"
    & skf21("3","4","5","5","3","4","5","1") = "4"
    & skf21("3","4","5","5","3","4","6","1") = "5"
    & skf21("3","4","5","5","3","4","7","1") = "6"
    & skf21("3","4","5","5","3","5","1","1") = "4"
    & skf21("3","4","5","5","3","5","2","1") = "4"
    & skf21("3","4","5","5","3","5","3","1") = "4"
    & skf21("3","4","5","5","3","5","4","1") = "4"
    & skf21("3","4","5","5","3","5","5","1") = "4"
    & skf21("3","4","5","5","3","5","6","1") = "5"
    & skf21("3","4","5","5","3","5","7","1") = "6"
    & skf21("3","4","5","5","3","6","1","1") = "5"
    & skf21("3","4","5","5","3","6","2","1") = "5"
    & skf21("3","4","5","5","3","6","3","1") = "5"
    & skf21("3","4","5","5","3","6","4","1") = "5"
    & skf21("3","4","5","5","3","6","5","1") = "5"
    & skf21("3","4","5","5","3","6","6","1") = "5"
    & skf21("3","4","5","5","3","6","7","1") = "6"
    & skf21("3","4","5","5","3","7","1","1") = "6"
    & skf21("3","4","5","5","3","7","2","1") = "6"
    & skf21("3","4","5","5","3","7","3","1") = "6"
    & skf21("3","4","5","5","3","7","4","1") = "6"
    & skf21("3","4","5","5","3","7","5","1") = "6"
    & skf21("3","4","5","5","3","7","6","1") = "6"
    & skf21("3","4","5","5","3","7","7","1") = "6"
    & skf21("3","4","5","5","4","1","1","1") = "4"
    & skf21("3","4","5","5","4","1","2","1") = "4"
    & skf21("3","4","5","5","4","1","3","1") = "4"
    & skf21("3","4","5","5","4","1","4","1") = "4"
    & skf21("3","4","5","5","4","1","5","1") = "4"
    & skf21("3","4","5","5","4","1","6","1") = "5"
    & skf21("3","4","5","5","4","1","7","1") = "6"
    & skf21("3","4","5","5","4","2","1","1") = "4"
    & skf21("3","4","5","5","4","2","2","1") = "4"
    & skf21("3","4","5","5","4","2","3","1") = "4"
    & skf21("3","4","5","5","4","2","4","1") = "4"
    & skf21("3","4","5","5","4","2","5","1") = "4"
    & skf21("3","4","5","5","4","2","6","1") = "5"
    & skf21("3","4","5","5","4","2","7","1") = "6"
    & skf21("3","4","5","5","4","3","1","1") = "4"
    & skf21("3","4","5","5","4","3","2","1") = "4"
    & skf21("3","4","5","5","4","3","3","1") = "4"
    & skf21("3","4","5","5","4","3","4","1") = "4"
    & skf21("3","4","5","5","4","3","5","1") = "4"
    & skf21("3","4","5","5","4","3","6","1") = "5"
    & skf21("3","4","5","5","4","3","7","1") = "6"
    & skf21("3","4","5","5","4","4","1","1") = "4"
    & skf21("3","4","5","5","4","4","2","1") = "4"
    & skf21("3","4","5","5","4","4","3","1") = "4"
    & skf21("3","4","5","5","4","4","4","1") = "4"
    & skf21("3","4","5","5","4","4","5","1") = "4"
    & skf21("3","4","5","5","4","4","6","1") = "5"
    & skf21("3","4","5","5","4","4","7","1") = "6"
    & skf21("3","4","5","5","4","5","1","1") = "4"
    & skf21("3","4","5","5","4","5","2","1") = "4"
    & skf21("3","4","5","5","4","5","3","1") = "4"
    & skf21("3","4","5","5","4","5","4","1") = "4"
    & skf21("3","4","5","5","4","5","5","1") = "4"
    & skf21("3","4","5","5","4","5","6","1") = "5"
    & skf21("3","4","5","5","4","5","7","1") = "6"
    & skf21("3","4","5","5","4","6","1","1") = "5"
    & skf21("3","4","5","5","4","6","2","1") = "5"
    & skf21("3","4","5","5","4","6","3","1") = "5"
    & skf21("3","4","5","5","4","6","4","1") = "5"
    & skf21("3","4","5","5","4","6","5","1") = "5"
    & skf21("3","4","5","5","4","6","6","1") = "5"
    & skf21("3","4","5","5","4","6","7","1") = "6"
    & skf21("3","4","5","5","4","7","1","1") = "6"
    & skf21("3","4","5","5","4","7","2","1") = "6"
    & skf21("3","4","5","5","4","7","3","1") = "6"
    & skf21("3","4","5","5","4","7","4","1") = "6"
    & skf21("3","4","5","5","4","7","5","1") = "6"
    & skf21("3","4","5","5","4","7","6","1") = "6"
    & skf21("3","4","5","5","4","7","7","1") = "6"
    & skf21("3","4","5","5","5","1","1","1") = "4"
    & skf21("3","4","5","5","5","1","2","1") = "4"
    & skf21("3","4","5","5","5","1","3","1") = "4"
    & skf21("3","4","5","5","5","1","4","1") = "4"
    & skf21("3","4","5","5","5","1","5","1") = "4"
    & skf21("3","4","5","5","5","1","6","1") = "5"
    & skf21("3","4","5","5","5","1","7","1") = "6"
    & skf21("3","4","5","5","5","2","1","1") = "4"
    & skf21("3","4","5","5","5","2","2","1") = "4"
    & skf21("3","4","5","5","5","2","3","1") = "4"
    & skf21("3","4","5","5","5","2","4","1") = "4"
    & skf21("3","4","5","5","5","2","5","1") = "4"
    & skf21("3","4","5","5","5","2","6","1") = "5"
    & skf21("3","4","5","5","5","2","7","1") = "6"
    & skf21("3","4","5","5","5","3","1","1") = "4"
    & skf21("3","4","5","5","5","3","2","1") = "4"
    & skf21("3","4","5","5","5","3","3","1") = "4"
    & skf21("3","4","5","5","5","3","4","1") = "4"
    & skf21("3","4","5","5","5","3","5","1") = "4"
    & skf21("3","4","5","5","5","3","6","1") = "5"
    & skf21("3","4","5","5","5","3","7","1") = "6"
    & skf21("3","4","5","5","5","4","1","1") = "4"
    & skf21("3","4","5","5","5","4","2","1") = "4"
    & skf21("3","4","5","5","5","4","3","1") = "4"
    & skf21("3","4","5","5","5","4","4","1") = "4"
    & skf21("3","4","5","5","5","4","5","1") = "4"
    & skf21("3","4","5","5","5","4","6","1") = "5"
    & skf21("3","4","5","5","5","4","7","1") = "6"
    & skf21("3","4","5","5","5","5","1","1") = "4"
    & skf21("3","4","5","5","5","5","2","1") = "4"
    & skf21("3","4","5","5","5","5","3","1") = "4"
    & skf21("3","4","5","5","5","5","4","1") = "4"
    & skf21("3","4","5","5","5","5","5","1") = "4"
    & skf21("3","4","5","5","5","5","6","1") = "5"
    & skf21("3","4","5","5","5","5","7","1") = "6"
    & skf21("3","4","5","5","5","6","1","1") = "5"
    & skf21("3","4","5","5","5","6","2","1") = "5"
    & skf21("3","4","5","5","5","6","3","1") = "5"
    & skf21("3","4","5","5","5","6","4","1") = "5"
    & skf21("3","4","5","5","5","6","5","1") = "5"
    & skf21("3","4","5","5","5","6","6","1") = "5"
    & skf21("3","4","5","5","5","6","7","1") = "6"
    & skf21("3","4","5","5","5","7","1","1") = "6"
    & skf21("3","4","5","5","5","7","2","1") = "6"
    & skf21("3","4","5","5","5","7","3","1") = "6"
    & skf21("3","4","5","5","5","7","4","1") = "6"
    & skf21("3","4","5","5","5","7","5","1") = "6"
    & skf21("3","4","5","5","5","7","6","1") = "6"
    & skf21("3","4","5","5","5","7","7","1") = "6"
    & skf21("3","4","5","5","6","1","1","1") = "5"
    & skf21("3","4","5","5","6","1","2","1") = "5"
    & skf21("3","4","5","5","6","1","3","1") = "5"
    & skf21("3","4","5","5","6","1","4","1") = "5"
    & skf21("3","4","5","5","6","1","5","1") = "5"
    & skf21("3","4","5","5","6","1","6","1") = "5"
    & skf21("3","4","5","5","6","1","7","1") = "6"
    & skf21("3","4","5","5","6","2","1","1") = "5"
    & skf21("3","4","5","5","6","2","2","1") = "5"
    & skf21("3","4","5","5","6","2","3","1") = "5"
    & skf21("3","4","5","5","6","2","4","1") = "5"
    & skf21("3","4","5","5","6","2","5","1") = "5"
    & skf21("3","4","5","5","6","2","6","1") = "5"
    & skf21("3","4","5","5","6","2","7","1") = "6"
    & skf21("3","4","5","5","6","3","1","1") = "5"
    & skf21("3","4","5","5","6","3","2","1") = "5"
    & skf21("3","4","5","5","6","3","3","1") = "5"
    & skf21("3","4","5","5","6","3","4","1") = "5"
    & skf21("3","4","5","5","6","3","5","1") = "5"
    & skf21("3","4","5","5","6","3","6","1") = "5"
    & skf21("3","4","5","5","6","3","7","1") = "6"
    & skf21("3","4","5","5","6","4","1","1") = "5"
    & skf21("3","4","5","5","6","4","2","1") = "5"
    & skf21("3","4","5","5","6","4","3","1") = "5"
    & skf21("3","4","5","5","6","4","4","1") = "5"
    & skf21("3","4","5","5","6","4","5","1") = "5"
    & skf21("3","4","5","5","6","4","6","1") = "5"
    & skf21("3","4","5","5","6","4","7","1") = "6"
    & skf21("3","4","5","5","6","5","1","1") = "5"
    & skf21("3","4","5","5","6","5","2","1") = "5"
    & skf21("3","4","5","5","6","5","3","1") = "5"
    & skf21("3","4","5","5","6","5","4","1") = "5"
    & skf21("3","4","5","5","6","5","5","1") = "5"
    & skf21("3","4","5","5","6","5","6","1") = "5"
    & skf21("3","4","5","5","6","5","7","1") = "6"
    & skf21("3","4","5","5","6","6","1","1") = "5"
    & skf21("3","4","5","5","6","6","2","1") = "5"
    & skf21("3","4","5","5","6","6","3","1") = "5"
    & skf21("3","4","5","5","6","6","4","1") = "5"
    & skf21("3","4","5","5","6","6","5","1") = "5"
    & skf21("3","4","5","5","6","6","6","1") = "5"
    & skf21("3","4","5","5","6","6","7","1") = "6"
    & skf21("3","4","5","5","6","7","1","1") = "6"
    & skf21("3","4","5","5","6","7","2","1") = "6"
    & skf21("3","4","5","5","6","7","3","1") = "6"
    & skf21("3","4","5","5","6","7","4","1") = "6"
    & skf21("3","4","5","5","6","7","5","1") = "6"
    & skf21("3","4","5","5","6","7","6","1") = "6"
    & skf21("3","4","5","5","6","7","7","1") = "6"
    & skf21("3","4","5","5","7","1","1","1") = "6"
    & skf21("3","4","5","5","7","1","2","1") = "6"
    & skf21("3","4","5","5","7","1","3","1") = "6"
    & skf21("3","4","5","5","7","1","4","1") = "6"
    & skf21("3","4","5","5","7","1","5","1") = "6"
    & skf21("3","4","5","5","7","1","6","1") = "6"
    & skf21("3","4","5","5","7","1","7","1") = "6"
    & skf21("3","4","5","5","7","2","1","1") = "6"
    & skf21("3","4","5","5","7","2","2","1") = "6"
    & skf21("3","4","5","5","7","2","3","1") = "6"
    & skf21("3","4","5","5","7","2","4","1") = "6"
    & skf21("3","4","5","5","7","2","5","1") = "6"
    & skf21("3","4","5","5","7","2","6","1") = "6"
    & skf21("3","4","5","5","7","2","7","1") = "6"
    & skf21("3","4","5","5","7","3","1","1") = "6"
    & skf21("3","4","5","5","7","3","2","1") = "6"
    & skf21("3","4","5","5","7","3","3","1") = "6"
    & skf21("3","4","5","5","7","3","4","1") = "6"
    & skf21("3","4","5","5","7","3","5","1") = "6"
    & skf21("3","4","5","5","7","3","6","1") = "6"
    & skf21("3","4","5","5","7","3","7","1") = "6"
    & skf21("3","4","5","5","7","4","1","1") = "6"
    & skf21("3","4","5","5","7","4","2","1") = "6"
    & skf21("3","4","5","5","7","4","3","1") = "6"
    & skf21("3","4","5","5","7","4","4","1") = "6"
    & skf21("3","4","5","5","7","4","5","1") = "6"
    & skf21("3","4","5","5","7","4","6","1") = "6"
    & skf21("3","4","5","5","7","4","7","1") = "6"
    & skf21("3","4","5","5","7","5","1","1") = "6"
    & skf21("3","4","5","5","7","5","2","1") = "6"
    & skf21("3","4","5","5","7","5","3","1") = "6"
    & skf21("3","4","5","5","7","5","4","1") = "6"
    & skf21("3","4","5","5","7","5","5","1") = "6"
    & skf21("3","4","5","5","7","5","6","1") = "6"
    & skf21("3","4","5","5","7","5","7","1") = "6"
    & skf21("3","4","5","5","7","6","1","1") = "6"
    & skf21("3","4","5","5","7","6","2","1") = "6"
    & skf21("3","4","5","5","7","6","3","1") = "6"
    & skf21("3","4","5","5","7","6","4","1") = "6"
    & skf21("3","4","5","5","7","6","5","1") = "6"
    & skf21("3","4","5","5","7","6","6","1") = "6"
    & skf21("3","4","5","5","7","6","7","1") = "6"
    & skf21("3","4","5","5","7","7","1","1") = "6"
    & skf21("3","4","5","5","7","7","2","1") = "6"
    & skf21("3","4","5","5","7","7","3","1") = "6"
    & skf21("3","4","5","5","7","7","4","1") = "6"
    & skf21("3","4","5","5","7","7","5","1") = "6"
    & skf21("3","4","5","5","7","7","6","1") = "6"
    & skf21("3","4","5","5","7","7","7","1") = "6"
    & skf21("3","4","5","6","1","1","1","1") = "5"
    & skf21("3","4","5","6","1","1","2","1") = "5"
    & skf21("3","4","5","6","1","1","3","1") = "5"
    & skf21("3","4","5","6","1","1","4","1") = "5"
    & skf21("3","4","5","6","1","1","5","1") = "5"
    & skf21("3","4","5","6","1","1","6","1") = "5"
    & skf21("3","4","5","6","1","1","7","1") = "6"
    & skf21("3","4","5","6","1","2","1","1") = "5"
    & skf21("3","4","5","6","1","2","2","1") = "5"
    & skf21("3","4","5","6","1","2","3","1") = "5"
    & skf21("3","4","5","6","1","2","4","1") = "5"
    & skf21("3","4","5","6","1","2","5","1") = "5"
    & skf21("3","4","5","6","1","2","6","1") = "5"
    & skf21("3","4","5","6","1","2","7","1") = "6"
    & skf21("3","4","5","6","1","3","1","1") = "5"
    & skf21("3","4","5","6","1","3","2","1") = "5"
    & skf21("3","4","5","6","1","3","3","1") = "5"
    & skf21("3","4","5","6","1","3","4","1") = "5"
    & skf21("3","4","5","6","1","3","5","1") = "5"
    & skf21("3","4","5","6","1","3","6","1") = "5"
    & skf21("3","4","5","6","1","3","7","1") = "6"
    & skf21("3","4","5","6","1","4","1","1") = "5"
    & skf21("3","4","5","6","1","4","2","1") = "5"
    & skf21("3","4","5","6","1","4","3","1") = "5"
    & skf21("3","4","5","6","1","4","4","1") = "5"
    & skf21("3","4","5","6","1","4","5","1") = "5"
    & skf21("3","4","5","6","1","4","6","1") = "5"
    & skf21("3","4","5","6","1","4","7","1") = "6"
    & skf21("3","4","5","6","1","5","1","1") = "5"
    & skf21("3","4","5","6","1","5","2","1") = "5"
    & skf21("3","4","5","6","1","5","3","1") = "5"
    & skf21("3","4","5","6","1","5","4","1") = "5"
    & skf21("3","4","5","6","1","5","5","1") = "5"
    & skf21("3","4","5","6","1","5","6","1") = "5"
    & skf21("3","4","5","6","1","5","7","1") = "6"
    & skf21("3","4","5","6","1","6","1","1") = "5"
    & skf21("3","4","5","6","1","6","2","1") = "5"
    & skf21("3","4","5","6","1","6","3","1") = "5"
    & skf21("3","4","5","6","1","6","4","1") = "5"
    & skf21("3","4","5","6","1","6","5","1") = "5"
    & skf21("3","4","5","6","1","6","6","1") = "5"
    & skf21("3","4","5","6","1","6","7","1") = "6"
    & skf21("3","4","5","6","1","7","1","1") = "6"
    & skf21("3","4","5","6","1","7","2","1") = "6"
    & skf21("3","4","5","6","1","7","3","1") = "6"
    & skf21("3","4","5","6","1","7","4","1") = "6"
    & skf21("3","4","5","6","1","7","5","1") = "6"
    & skf21("3","4","5","6","1","7","6","1") = "6"
    & skf21("3","4","5","6","1","7","7","1") = "6"
    & skf21("3","4","5","6","2","1","1","1") = "5"
    & skf21("3","4","5","6","2","1","2","1") = "5"
    & skf21("3","4","5","6","2","1","3","1") = "5"
    & skf21("3","4","5","6","2","1","4","1") = "5"
    & skf21("3","4","5","6","2","1","5","1") = "5"
    & skf21("3","4","5","6","2","1","6","1") = "5"
    & skf21("3","4","5","6","2","1","7","1") = "6"
    & skf21("3","4","5","6","2","2","1","1") = "5"
    & skf21("3","4","5","6","2","2","2","1") = "5"
    & skf21("3","4","5","6","2","2","3","1") = "5"
    & skf21("3","4","5","6","2","2","4","1") = "5"
    & skf21("3","4","5","6","2","2","5","1") = "5"
    & skf21("3","4","5","6","2","2","6","1") = "5"
    & skf21("3","4","5","6","2","2","7","1") = "6"
    & skf21("3","4","5","6","2","3","1","1") = "5"
    & skf21("3","4","5","6","2","3","2","1") = "5"
    & skf21("3","4","5","6","2","3","3","1") = "5"
    & skf21("3","4","5","6","2","3","4","1") = "5"
    & skf21("3","4","5","6","2","3","5","1") = "5"
    & skf21("3","4","5","6","2","3","6","1") = "5"
    & skf21("3","4","5","6","2","3","7","1") = "6"
    & skf21("3","4","5","6","2","4","1","1") = "5"
    & skf21("3","4","5","6","2","4","2","1") = "5"
    & skf21("3","4","5","6","2","4","3","1") = "5"
    & skf21("3","4","5","6","2","4","4","1") = "5"
    & skf21("3","4","5","6","2","4","5","1") = "5"
    & skf21("3","4","5","6","2","4","6","1") = "5"
    & skf21("3","4","5","6","2","4","7","1") = "6"
    & skf21("3","4","5","6","2","5","1","1") = "5"
    & skf21("3","4","5","6","2","5","2","1") = "5"
    & skf21("3","4","5","6","2","5","3","1") = "5"
    & skf21("3","4","5","6","2","5","4","1") = "5"
    & skf21("3","4","5","6","2","5","5","1") = "5"
    & skf21("3","4","5","6","2","5","6","1") = "5"
    & skf21("3","4","5","6","2","5","7","1") = "6"
    & skf21("3","4","5","6","2","6","1","1") = "5"
    & skf21("3","4","5","6","2","6","2","1") = "5"
    & skf21("3","4","5","6","2","6","3","1") = "5"
    & skf21("3","4","5","6","2","6","4","1") = "5"
    & skf21("3","4","5","6","2","6","5","1") = "5"
    & skf21("3","4","5","6","2","6","6","1") = "5"
    & skf21("3","4","5","6","2","6","7","1") = "6"
    & skf21("3","4","5","6","2","7","1","1") = "6"
    & skf21("3","4","5","6","2","7","2","1") = "6"
    & skf21("3","4","5","6","2","7","3","1") = "6"
    & skf21("3","4","5","6","2","7","4","1") = "6"
    & skf21("3","4","5","6","2","7","5","1") = "6"
    & skf21("3","4","5","6","2","7","6","1") = "6"
    & skf21("3","4","5","6","2","7","7","1") = "6"
    & skf21("3","4","5","6","3","1","1","1") = "5"
    & skf21("3","4","5","6","3","1","2","1") = "5"
    & skf21("3","4","5","6","3","1","3","1") = "5"
    & skf21("3","4","5","6","3","1","4","1") = "5"
    & skf21("3","4","5","6","3","1","5","1") = "5"
    & skf21("3","4","5","6","3","1","6","1") = "5"
    & skf21("3","4","5","6","3","1","7","1") = "6"
    & skf21("3","4","5","6","3","2","1","1") = "5"
    & skf21("3","4","5","6","3","2","2","1") = "5"
    & skf21("3","4","5","6","3","2","3","1") = "5"
    & skf21("3","4","5","6","3","2","4","1") = "5"
    & skf21("3","4","5","6","3","2","5","1") = "5"
    & skf21("3","4","5","6","3","2","6","1") = "5"
    & skf21("3","4","5","6","3","2","7","1") = "6"
    & skf21("3","4","5","6","3","3","1","1") = "5"
    & skf21("3","4","5","6","3","3","2","1") = "5"
    & skf21("3","4","5","6","3","3","3","1") = "5"
    & skf21("3","4","5","6","3","3","4","1") = "5"
    & skf21("3","4","5","6","3","3","5","1") = "5"
    & skf21("3","4","5","6","3","3","6","1") = "5"
    & skf21("3","4","5","6","3","3","7","1") = "6"
    & skf21("3","4","5","6","3","4","1","1") = "5"
    & skf21("3","4","5","6","3","4","2","1") = "5"
    & skf21("3","4","5","6","3","4","3","1") = "5"
    & skf21("3","4","5","6","3","4","4","1") = "5"
    & skf21("3","4","5","6","3","4","5","1") = "5"
    & skf21("3","4","5","6","3","4","6","1") = "5"
    & skf21("3","4","5","6","3","4","7","1") = "6"
    & skf21("3","4","5","6","3","5","1","1") = "5"
    & skf21("3","4","5","6","3","5","2","1") = "5"
    & skf21("3","4","5","6","3","5","3","1") = "5"
    & skf21("3","4","5","6","3","5","4","1") = "5"
    & skf21("3","4","5","6","3","5","5","1") = "5"
    & skf21("3","4","5","6","3","5","6","1") = "5"
    & skf21("3","4","5","6","3","5","7","1") = "6"
    & skf21("3","4","5","6","3","6","1","1") = "5"
    & skf21("3","4","5","6","3","6","2","1") = "5"
    & skf21("3","4","5","6","3","6","3","1") = "5"
    & skf21("3","4","5","6","3","6","4","1") = "5"
    & skf21("3","4","5","6","3","6","5","1") = "5"
    & skf21("3","4","5","6","3","6","6","1") = "5"
    & skf21("3","4","5","6","3","6","7","1") = "6"
    & skf21("3","4","5","6","3","7","1","1") = "6"
    & skf21("3","4","5","6","3","7","2","1") = "6"
    & skf21("3","4","5","6","3","7","3","1") = "6"
    & skf21("3","4","5","6","3","7","4","1") = "6"
    & skf21("3","4","5","6","3","7","5","1") = "6"
    & skf21("3","4","5","6","3","7","6","1") = "6"
    & skf21("3","4","5","6","3","7","7","1") = "6"
    & skf21("3","4","5","6","4","1","1","1") = "5"
    & skf21("3","4","5","6","4","1","2","1") = "5"
    & skf21("3","4","5","6","4","1","3","1") = "5"
    & skf21("3","4","5","6","4","1","4","1") = "5"
    & skf21("3","4","5","6","4","1","5","1") = "5"
    & skf21("3","4","5","6","4","1","6","1") = "5"
    & skf21("3","4","5","6","4","1","7","1") = "6"
    & skf21("3","4","5","6","4","2","1","1") = "5"
    & skf21("3","4","5","6","4","2","2","1") = "5"
    & skf21("3","4","5","6","4","2","3","1") = "5"
    & skf21("3","4","5","6","4","2","4","1") = "5"
    & skf21("3","4","5","6","4","2","5","1") = "5"
    & skf21("3","4","5","6","4","2","6","1") = "5"
    & skf21("3","4","5","6","4","2","7","1") = "6"
    & skf21("3","4","5","6","4","3","1","1") = "5"
    & skf21("3","4","5","6","4","3","2","1") = "5"
    & skf21("3","4","5","6","4","3","3","1") = "5"
    & skf21("3","4","5","6","4","3","4","1") = "5"
    & skf21("3","4","5","6","4","3","5","1") = "5"
    & skf21("3","4","5","6","4","3","6","1") = "5"
    & skf21("3","4","5","6","4","3","7","1") = "6"
    & skf21("3","4","5","6","4","4","1","1") = "5"
    & skf21("3","4","5","6","4","4","2","1") = "5"
    & skf21("3","4","5","6","4","4","3","1") = "5"
    & skf21("3","4","5","6","4","4","4","1") = "5"
    & skf21("3","4","5","6","4","4","5","1") = "5"
    & skf21("3","4","5","6","4","4","6","1") = "5"
    & skf21("3","4","5","6","4","4","7","1") = "6"
    & skf21("3","4","5","6","4","5","1","1") = "5"
    & skf21("3","4","5","6","4","5","2","1") = "5"
    & skf21("3","4","5","6","4","5","3","1") = "5"
    & skf21("3","4","5","6","4","5","4","1") = "5"
    & skf21("3","4","5","6","4","5","5","1") = "5"
    & skf21("3","4","5","6","4","5","6","1") = "5"
    & skf21("3","4","5","6","4","5","7","1") = "6"
    & skf21("3","4","5","6","4","6","1","1") = "5"
    & skf21("3","4","5","6","4","6","2","1") = "5"
    & skf21("3","4","5","6","4","6","3","1") = "5"
    & skf21("3","4","5","6","4","6","4","1") = "5"
    & skf21("3","4","5","6","4","6","5","1") = "5"
    & skf21("3","4","5","6","4","6","6","1") = "5"
    & skf21("3","4","5","6","4","6","7","1") = "6"
    & skf21("3","4","5","6","4","7","1","1") = "6"
    & skf21("3","4","5","6","4","7","2","1") = "6"
    & skf21("3","4","5","6","4","7","3","1") = "6"
    & skf21("3","4","5","6","4","7","4","1") = "6"
    & skf21("3","4","5","6","4","7","5","1") = "6"
    & skf21("3","4","5","6","4","7","6","1") = "6"
    & skf21("3","4","5","6","4","7","7","1") = "6"
    & skf21("3","4","5","6","5","1","1","1") = "5"
    & skf21("3","4","5","6","5","1","2","1") = "5"
    & skf21("3","4","5","6","5","1","3","1") = "5"
    & skf21("3","4","5","6","5","1","4","1") = "5"
    & skf21("3","4","5","6","5","1","5","1") = "5"
    & skf21("3","4","5","6","5","1","6","1") = "5"
    & skf21("3","4","5","6","5","1","7","1") = "6"
    & skf21("3","4","5","6","5","2","1","1") = "5"
    & skf21("3","4","5","6","5","2","2","1") = "5"
    & skf21("3","4","5","6","5","2","3","1") = "5"
    & skf21("3","4","5","6","5","2","4","1") = "5"
    & skf21("3","4","5","6","5","2","5","1") = "5"
    & skf21("3","4","5","6","5","2","6","1") = "5"
    & skf21("3","4","5","6","5","2","7","1") = "6"
    & skf21("3","4","5","6","5","3","1","1") = "5"
    & skf21("3","4","5","6","5","3","2","1") = "5"
    & skf21("3","4","5","6","5","3","3","1") = "5"
    & skf21("3","4","5","6","5","3","4","1") = "5"
    & skf21("3","4","5","6","5","3","5","1") = "5"
    & skf21("3","4","5","6","5","3","6","1") = "5"
    & skf21("3","4","5","6","5","3","7","1") = "6"
    & skf21("3","4","5","6","5","4","1","1") = "5"
    & skf21("3","4","5","6","5","4","2","1") = "5"
    & skf21("3","4","5","6","5","4","3","1") = "5"
    & skf21("3","4","5","6","5","4","4","1") = "5"
    & skf21("3","4","5","6","5","4","5","1") = "5"
    & skf21("3","4","5","6","5","4","6","1") = "5"
    & skf21("3","4","5","6","5","4","7","1") = "6"
    & skf21("3","4","5","6","5","5","1","1") = "5"
    & skf21("3","4","5","6","5","5","2","1") = "5"
    & skf21("3","4","5","6","5","5","3","1") = "5"
    & skf21("3","4","5","6","5","5","4","1") = "5"
    & skf21("3","4","5","6","5","5","5","1") = "5"
    & skf21("3","4","5","6","5","5","6","1") = "5"
    & skf21("3","4","5","6","5","5","7","1") = "6"
    & skf21("3","4","5","6","5","6","1","1") = "5"
    & skf21("3","4","5","6","5","6","2","1") = "5"
    & skf21("3","4","5","6","5","6","3","1") = "5"
    & skf21("3","4","5","6","5","6","4","1") = "5"
    & skf21("3","4","5","6","5","6","5","1") = "5"
    & skf21("3","4","5","6","5","6","6","1") = "5"
    & skf21("3","4","5","6","5","6","7","1") = "6"
    & skf21("3","4","5","6","5","7","1","1") = "6"
    & skf21("3","4","5","6","5","7","2","1") = "6"
    & skf21("3","4","5","6","5","7","3","1") = "6"
    & skf21("3","4","5","6","5","7","4","1") = "6"
    & skf21("3","4","5","6","5","7","5","1") = "6"
    & skf21("3","4","5","6","5","7","6","1") = "6"
    & skf21("3","4","5","6","5","7","7","1") = "6"
    & skf21("3","4","5","6","6","1","1","1") = "5"
    & skf21("3","4","5","6","6","1","2","1") = "5"
    & skf21("3","4","5","6","6","1","3","1") = "5"
    & skf21("3","4","5","6","6","1","4","1") = "5"
    & skf21("3","4","5","6","6","1","5","1") = "5"
    & skf21("3","4","5","6","6","1","6","1") = "5"
    & skf21("3","4","5","6","6","1","7","1") = "6"
    & skf21("3","4","5","6","6","2","1","1") = "5"
    & skf21("3","4","5","6","6","2","2","1") = "5"
    & skf21("3","4","5","6","6","2","3","1") = "5"
    & skf21("3","4","5","6","6","2","4","1") = "5"
    & skf21("3","4","5","6","6","2","5","1") = "5"
    & skf21("3","4","5","6","6","2","6","1") = "5"
    & skf21("3","4","5","6","6","2","7","1") = "6"
    & skf21("3","4","5","6","6","3","1","1") = "5"
    & skf21("3","4","5","6","6","3","2","1") = "5"
    & skf21("3","4","5","6","6","3","3","1") = "5"
    & skf21("3","4","5","6","6","3","4","1") = "5"
    & skf21("3","4","5","6","6","3","5","1") = "5"
    & skf21("3","4","5","6","6","3","6","1") = "5"
    & skf21("3","4","5","6","6","3","7","1") = "6"
    & skf21("3","4","5","6","6","4","1","1") = "5"
    & skf21("3","4","5","6","6","4","2","1") = "5"
    & skf21("3","4","5","6","6","4","3","1") = "5"
    & skf21("3","4","5","6","6","4","4","1") = "5"
    & skf21("3","4","5","6","6","4","5","1") = "5"
    & skf21("3","4","5","6","6","4","6","1") = "5"
    & skf21("3","4","5","6","6","4","7","1") = "6"
    & skf21("3","4","5","6","6","5","1","1") = "5"
    & skf21("3","4","5","6","6","5","2","1") = "5"
    & skf21("3","4","5","6","6","5","3","1") = "5"
    & skf21("3","4","5","6","6","5","4","1") = "5"
    & skf21("3","4","5","6","6","5","5","1") = "5"
    & skf21("3","4","5","6","6","5","6","1") = "5"
    & skf21("3","4","5","6","6","5","7","1") = "6"
    & skf21("3","4","5","6","6","6","1","1") = "5"
    & skf21("3","4","5","6","6","6","2","1") = "5"
    & skf21("3","4","5","6","6","6","3","1") = "5"
    & skf21("3","4","5","6","6","6","4","1") = "5"
    & skf21("3","4","5","6","6","6","5","1") = "5"
    & skf21("3","4","5","6","6","6","6","1") = "5"
    & skf21("3","4","5","6","6","6","7","1") = "6"
    & skf21("3","4","5","6","6","7","1","1") = "6"
    & skf21("3","4","5","6","6","7","2","1") = "6"
    & skf21("3","4","5","6","6","7","3","1") = "6"
    & skf21("3","4","5","6","6","7","4","1") = "6"
    & skf21("3","4","5","6","6","7","5","1") = "6"
    & skf21("3","4","5","6","6","7","6","1") = "6"
    & skf21("3","4","5","6","6","7","7","1") = "6"
    & skf21("3","4","5","6","7","1","1","1") = "6"
    & skf21("3","4","5","6","7","1","2","1") = "6"
    & skf21("3","4","5","6","7","1","3","1") = "6"
    & skf21("3","4","5","6","7","1","4","1") = "6"
    & skf21("3","4","5","6","7","1","5","1") = "6"
    & skf21("3","4","5","6","7","1","6","1") = "6"
    & skf21("3","4","5","6","7","1","7","1") = "6"
    & skf21("3","4","5","6","7","2","1","1") = "6"
    & skf21("3","4","5","6","7","2","2","1") = "6"
    & skf21("3","4","5","6","7","2","3","1") = "6"
    & skf21("3","4","5","6","7","2","4","1") = "6"
    & skf21("3","4","5","6","7","2","5","1") = "6"
    & skf21("3","4","5","6","7","2","6","1") = "6"
    & skf21("3","4","5","6","7","2","7","1") = "6"
    & skf21("3","4","5","6","7","3","1","1") = "6"
    & skf21("3","4","5","6","7","3","2","1") = "6"
    & skf21("3","4","5","6","7","3","3","1") = "6"
    & skf21("3","4","5","6","7","3","4","1") = "6"
    & skf21("3","4","5","6","7","3","5","1") = "6"
    & skf21("3","4","5","6","7","3","6","1") = "6"
    & skf21("3","4","5","6","7","3","7","1") = "6"
    & skf21("3","4","5","6","7","4","1","1") = "6"
    & skf21("3","4","5","6","7","4","2","1") = "6"
    & skf21("3","4","5","6","7","4","3","1") = "6"
    & skf21("3","4","5","6","7","4","4","1") = "6"
    & skf21("3","4","5","6","7","4","5","1") = "6"
    & skf21("3","4","5","6","7","4","6","1") = "6"
    & skf21("3","4","5","6","7","4","7","1") = "6"
    & skf21("3","4","5","6","7","5","1","1") = "6"
    & skf21("3","4","5","6","7","5","2","1") = "6"
    & skf21("3","4","5","6","7","5","3","1") = "6"
    & skf21("3","4","5","6","7","5","4","1") = "6"
    & skf21("3","4","5","6","7","5","5","1") = "6"
    & skf21("3","4","5","6","7","5","6","1") = "6"
    & skf21("3","4","5","6","7","5","7","1") = "6"
    & skf21("3","4","5","6","7","6","1","1") = "6"
    & skf21("3","4","5","6","7","6","2","1") = "6"
    & skf21("3","4","5","6","7","6","3","1") = "6"
    & skf21("3","4","5","6","7","6","4","1") = "6"
    & skf21("3","4","5","6","7","6","5","1") = "6"
    & skf21("3","4","5","6","7","6","6","1") = "6"
    & skf21("3","4","5","6","7","6","7","1") = "6"
    & skf21("3","4","5","6","7","7","1","1") = "6"
    & skf21("3","4","5","6","7","7","2","1") = "6"
    & skf21("3","4","5","6","7","7","3","1") = "6"
    & skf21("3","4","5","6","7","7","4","1") = "6"
    & skf21("3","4","5","6","7","7","5","1") = "6"
    & skf21("3","4","5","6","7","7","6","1") = "6"
    & skf21("3","4","5","6","7","7","7","1") = "6"
    & skf21("3","4","5","7","1","1","1","1") = "6"
    & skf21("3","4","5","7","1","1","2","1") = "6"
    & skf21("3","4","5","7","1","1","3","1") = "6"
    & skf21("3","4","5","7","1","1","4","1") = "6"
    & skf21("3","4","5","7","1","1","5","1") = "6"
    & skf21("3","4","5","7","1","1","6","1") = "6"
    & skf21("3","4","5","7","1","1","7","1") = "6"
    & skf21("3","4","5","7","1","2","1","1") = "6"
    & skf21("3","4","5","7","1","2","2","1") = "6"
    & skf21("3","4","5","7","1","2","3","1") = "6"
    & skf21("3","4","5","7","1","2","4","1") = "6"
    & skf21("3","4","5","7","1","2","5","1") = "6"
    & skf21("3","4","5","7","1","2","6","1") = "6"
    & skf21("3","4","5","7","1","2","7","1") = "6"
    & skf21("3","4","5","7","1","3","1","1") = "6"
    & skf21("3","4","5","7","1","3","2","1") = "6"
    & skf21("3","4","5","7","1","3","3","1") = "6"
    & skf21("3","4","5","7","1","3","4","1") = "6"
    & skf21("3","4","5","7","1","3","5","1") = "6"
    & skf21("3","4","5","7","1","3","6","1") = "6"
    & skf21("3","4","5","7","1","3","7","1") = "6"
    & skf21("3","4","5","7","1","4","1","1") = "6"
    & skf21("3","4","5","7","1","4","2","1") = "6"
    & skf21("3","4","5","7","1","4","3","1") = "6"
    & skf21("3","4","5","7","1","4","4","1") = "6"
    & skf21("3","4","5","7","1","4","5","1") = "6"
    & skf21("3","4","5","7","1","4","6","1") = "6"
    & skf21("3","4","5","7","1","4","7","1") = "6"
    & skf21("3","4","5","7","1","5","1","1") = "6"
    & skf21("3","4","5","7","1","5","2","1") = "6"
    & skf21("3","4","5","7","1","5","3","1") = "6"
    & skf21("3","4","5","7","1","5","4","1") = "6"
    & skf21("3","4","5","7","1","5","5","1") = "6"
    & skf21("3","4","5","7","1","5","6","1") = "6"
    & skf21("3","4","5","7","1","5","7","1") = "6"
    & skf21("3","4","5","7","1","6","1","1") = "6"
    & skf21("3","4","5","7","1","6","2","1") = "6"
    & skf21("3","4","5","7","1","6","3","1") = "6"
    & skf21("3","4","5","7","1","6","4","1") = "6"
    & skf21("3","4","5","7","1","6","5","1") = "6"
    & skf21("3","4","5","7","1","6","6","1") = "6"
    & skf21("3","4","5","7","1","6","7","1") = "6"
    & skf21("3","4","5","7","1","7","1","1") = "6"
    & skf21("3","4","5","7","1","7","2","1") = "6"
    & skf21("3","4","5","7","1","7","3","1") = "6"
    & skf21("3","4","5","7","1","7","4","1") = "6"
    & skf21("3","4","5","7","1","7","5","1") = "6"
    & skf21("3","4","5","7","1","7","6","1") = "6"
    & skf21("3","4","5","7","1","7","7","1") = "6"
    & skf21("3","4","5","7","2","1","1","1") = "6"
    & skf21("3","4","5","7","2","1","2","1") = "6"
    & skf21("3","4","5","7","2","1","3","1") = "6"
    & skf21("3","4","5","7","2","1","4","1") = "6"
    & skf21("3","4","5","7","2","1","5","1") = "6"
    & skf21("3","4","5","7","2","1","6","1") = "6"
    & skf21("3","4","5","7","2","1","7","1") = "6"
    & skf21("3","4","5","7","2","2","1","1") = "6"
    & skf21("3","4","5","7","2","2","2","1") = "6"
    & skf21("3","4","5","7","2","2","3","1") = "6"
    & skf21("3","4","5","7","2","2","4","1") = "6"
    & skf21("3","4","5","7","2","2","5","1") = "6"
    & skf21("3","4","5","7","2","2","6","1") = "6"
    & skf21("3","4","5","7","2","2","7","1") = "6"
    & skf21("3","4","5","7","2","3","1","1") = "6"
    & skf21("3","4","5","7","2","3","2","1") = "6"
    & skf21("3","4","5","7","2","3","3","1") = "6"
    & skf21("3","4","5","7","2","3","4","1") = "6"
    & skf21("3","4","5","7","2","3","5","1") = "6"
    & skf21("3","4","5","7","2","3","6","1") = "6"
    & skf21("3","4","5","7","2","3","7","1") = "6"
    & skf21("3","4","5","7","2","4","1","1") = "6"
    & skf21("3","4","5","7","2","4","2","1") = "6"
    & skf21("3","4","5","7","2","4","3","1") = "6"
    & skf21("3","4","5","7","2","4","4","1") = "6"
    & skf21("3","4","5","7","2","4","5","1") = "6"
    & skf21("3","4","5","7","2","4","6","1") = "6"
    & skf21("3","4","5","7","2","4","7","1") = "6"
    & skf21("3","4","5","7","2","5","1","1") = "6"
    & skf21("3","4","5","7","2","5","2","1") = "6"
    & skf21("3","4","5","7","2","5","3","1") = "6"
    & skf21("3","4","5","7","2","5","4","1") = "6"
    & skf21("3","4","5","7","2","5","5","1") = "6"
    & skf21("3","4","5","7","2","5","6","1") = "6"
    & skf21("3","4","5","7","2","5","7","1") = "6"
    & skf21("3","4","5","7","2","6","1","1") = "6"
    & skf21("3","4","5","7","2","6","2","1") = "6"
    & skf21("3","4","5","7","2","6","3","1") = "6"
    & skf21("3","4","5","7","2","6","4","1") = "6"
    & skf21("3","4","5","7","2","6","5","1") = "6"
    & skf21("3","4","5","7","2","6","6","1") = "6"
    & skf21("3","4","5","7","2","6","7","1") = "6"
    & skf21("3","4","5","7","2","7","1","1") = "6"
    & skf21("3","4","5","7","2","7","2","1") = "6"
    & skf21("3","4","5","7","2","7","3","1") = "6"
    & skf21("3","4","5","7","2","7","4","1") = "6"
    & skf21("3","4","5","7","2","7","5","1") = "6"
    & skf21("3","4","5","7","2","7","6","1") = "6"
    & skf21("3","4","5","7","2","7","7","1") = "6"
    & skf21("3","4","5","7","3","1","1","1") = "6"
    & skf21("3","4","5","7","3","1","2","1") = "6"
    & skf21("3","4","5","7","3","1","3","1") = "6"
    & skf21("3","4","5","7","3","1","4","1") = "6"
    & skf21("3","4","5","7","3","1","5","1") = "6"
    & skf21("3","4","5","7","3","1","6","1") = "6"
    & skf21("3","4","5","7","3","1","7","1") = "6"
    & skf21("3","4","5","7","3","2","1","1") = "6"
    & skf21("3","4","5","7","3","2","2","1") = "6"
    & skf21("3","4","5","7","3","2","3","1") = "6"
    & skf21("3","4","5","7","3","2","4","1") = "6"
    & skf21("3","4","5","7","3","2","5","1") = "6"
    & skf21("3","4","5","7","3","2","6","1") = "6"
    & skf21("3","4","5","7","3","2","7","1") = "6"
    & skf21("3","4","5","7","3","3","1","1") = "6"
    & skf21("3","4","5","7","3","3","2","1") = "6"
    & skf21("3","4","5","7","3","3","3","1") = "6"
    & skf21("3","4","5","7","3","3","4","1") = "6"
    & skf21("3","4","5","7","3","3","5","1") = "6"
    & skf21("3","4","5","7","3","3","6","1") = "6"
    & skf21("3","4","5","7","3","3","7","1") = "6"
    & skf21("3","4","5","7","3","4","1","1") = "6"
    & skf21("3","4","5","7","3","4","2","1") = "6"
    & skf21("3","4","5","7","3","4","3","1") = "6"
    & skf21("3","4","5","7","3","4","4","1") = "6"
    & skf21("3","4","5","7","3","4","5","1") = "6"
    & skf21("3","4","5","7","3","4","6","1") = "6"
    & skf21("3","4","5","7","3","4","7","1") = "6"
    & skf21("3","4","5","7","3","5","1","1") = "6"
    & skf21("3","4","5","7","3","5","2","1") = "6"
    & skf21("3","4","5","7","3","5","3","1") = "6"
    & skf21("3","4","5","7","3","5","4","1") = "6"
    & skf21("3","4","5","7","3","5","5","1") = "6"
    & skf21("3","4","5","7","3","5","6","1") = "6"
    & skf21("3","4","5","7","3","5","7","1") = "6"
    & skf21("3","4","5","7","3","6","1","1") = "6"
    & skf21("3","4","5","7","3","6","2","1") = "6"
    & skf21("3","4","5","7","3","6","3","1") = "6"
    & skf21("3","4","5","7","3","6","4","1") = "6"
    & skf21("3","4","5","7","3","6","5","1") = "6"
    & skf21("3","4","5","7","3","6","6","1") = "6"
    & skf21("3","4","5","7","3","6","7","1") = "6"
    & skf21("3","4","5","7","3","7","1","1") = "6"
    & skf21("3","4","5","7","3","7","2","1") = "6"
    & skf21("3","4","5","7","3","7","3","1") = "6"
    & skf21("3","4","5","7","3","7","4","1") = "6"
    & skf21("3","4","5","7","3","7","5","1") = "6"
    & skf21("3","4","5","7","3","7","6","1") = "6"
    & skf21("3","4","5","7","3","7","7","1") = "6"
    & skf21("3","4","5","7","4","1","1","1") = "6"
    & skf21("3","4","5","7","4","1","2","1") = "6"
    & skf21("3","4","5","7","4","1","3","1") = "6"
    & skf21("3","4","5","7","4","1","4","1") = "6"
    & skf21("3","4","5","7","4","1","5","1") = "6"
    & skf21("3","4","5","7","4","1","6","1") = "6"
    & skf21("3","4","5","7","4","1","7","1") = "6"
    & skf21("3","4","5","7","4","2","1","1") = "6"
    & skf21("3","4","5","7","4","2","2","1") = "6"
    & skf21("3","4","5","7","4","2","3","1") = "6"
    & skf21("3","4","5","7","4","2","4","1") = "6"
    & skf21("3","4","5","7","4","2","5","1") = "6"
    & skf21("3","4","5","7","4","2","6","1") = "6"
    & skf21("3","4","5","7","4","2","7","1") = "6"
    & skf21("3","4","5","7","4","3","1","1") = "6"
    & skf21("3","4","5","7","4","3","2","1") = "6"
    & skf21("3","4","5","7","4","3","3","1") = "6"
    & skf21("3","4","5","7","4","3","4","1") = "6"
    & skf21("3","4","5","7","4","3","5","1") = "6"
    & skf21("3","4","5","7","4","3","6","1") = "6"
    & skf21("3","4","5","7","4","3","7","1") = "6"
    & skf21("3","4","5","7","4","4","1","1") = "6"
    & skf21("3","4","5","7","4","4","2","1") = "6"
    & skf21("3","4","5","7","4","4","3","1") = "6"
    & skf21("3","4","5","7","4","4","4","1") = "6"
    & skf21("3","4","5","7","4","4","5","1") = "6"
    & skf21("3","4","5","7","4","4","6","1") = "6"
    & skf21("3","4","5","7","4","4","7","1") = "6"
    & skf21("3","4","5","7","4","5","1","1") = "6"
    & skf21("3","4","5","7","4","5","2","1") = "6"
    & skf21("3","4","5","7","4","5","3","1") = "6"
    & skf21("3","4","5","7","4","5","4","1") = "6"
    & skf21("3","4","5","7","4","5","5","1") = "6"
    & skf21("3","4","5","7","4","5","6","1") = "6"
    & skf21("3","4","5","7","4","5","7","1") = "6"
    & skf21("3","4","5","7","4","6","1","1") = "6"
    & skf21("3","4","5","7","4","6","2","1") = "6"
    & skf21("3","4","5","7","4","6","3","1") = "6"
    & skf21("3","4","5","7","4","6","4","1") = "6"
    & skf21("3","4","5","7","4","6","5","1") = "6"
    & skf21("3","4","5","7","4","6","6","1") = "6"
    & skf21("3","4","5","7","4","6","7","1") = "6"
    & skf21("3","4","5","7","4","7","1","1") = "6"
    & skf21("3","4","5","7","4","7","2","1") = "6"
    & skf21("3","4","5","7","4","7","3","1") = "6"
    & skf21("3","4","5","7","4","7","4","1") = "6"
    & skf21("3","4","5","7","4","7","5","1") = "6"
    & skf21("3","4","5","7","4","7","6","1") = "6"
    & skf21("3","4","5","7","4","7","7","1") = "6"
    & skf21("3","4","5","7","5","1","1","1") = "6"
    & skf21("3","4","5","7","5","1","2","1") = "6"
    & skf21("3","4","5","7","5","1","3","1") = "6"
    & skf21("3","4","5","7","5","1","4","1") = "6"
    & skf21("3","4","5","7","5","1","5","1") = "6"
    & skf21("3","4","5","7","5","1","6","1") = "6"
    & skf21("3","4","5","7","5","1","7","1") = "6"
    & skf21("3","4","5","7","5","2","1","1") = "6"
    & skf21("3","4","5","7","5","2","2","1") = "6"
    & skf21("3","4","5","7","5","2","3","1") = "6"
    & skf21("3","4","5","7","5","2","4","1") = "6"
    & skf21("3","4","5","7","5","2","5","1") = "6"
    & skf21("3","4","5","7","5","2","6","1") = "6"
    & skf21("3","4","5","7","5","2","7","1") = "6"
    & skf21("3","4","5","7","5","3","1","1") = "6"
    & skf21("3","4","5","7","5","3","2","1") = "6"
    & skf21("3","4","5","7","5","3","3","1") = "6"
    & skf21("3","4","5","7","5","3","4","1") = "6"
    & skf21("3","4","5","7","5","3","5","1") = "6"
    & skf21("3","4","5","7","5","3","6","1") = "6"
    & skf21("3","4","5","7","5","3","7","1") = "6"
    & skf21("3","4","5","7","5","4","1","1") = "6"
    & skf21("3","4","5","7","5","4","2","1") = "6"
    & skf21("3","4","5","7","5","4","3","1") = "6"
    & skf21("3","4","5","7","5","4","4","1") = "6"
    & skf21("3","4","5","7","5","4","5","1") = "6"
    & skf21("3","4","5","7","5","4","6","1") = "6"
    & skf21("3","4","5","7","5","4","7","1") = "6"
    & skf21("3","4","5","7","5","5","1","1") = "6"
    & skf21("3","4","5","7","5","5","2","1") = "6"
    & skf21("3","4","5","7","5","5","3","1") = "6"
    & skf21("3","4","5","7","5","5","4","1") = "6"
    & skf21("3","4","5","7","5","5","5","1") = "6"
    & skf21("3","4","5","7","5","5","6","1") = "6"
    & skf21("3","4","5","7","5","5","7","1") = "6"
    & skf21("3","4","5","7","5","6","1","1") = "6"
    & skf21("3","4","5","7","5","6","2","1") = "6"
    & skf21("3","4","5","7","5","6","3","1") = "6"
    & skf21("3","4","5","7","5","6","4","1") = "6"
    & skf21("3","4","5","7","5","6","5","1") = "6"
    & skf21("3","4","5","7","5","6","6","1") = "6"
    & skf21("3","4","5","7","5","6","7","1") = "6"
    & skf21("3","4","5","7","5","7","1","1") = "6"
    & skf21("3","4","5","7","5","7","2","1") = "6"
    & skf21("3","4","5","7","5","7","3","1") = "6"
    & skf21("3","4","5","7","5","7","4","1") = "6"
    & skf21("3","4","5","7","5","7","5","1") = "6"
    & skf21("3","4","5","7","5","7","6","1") = "6"
    & skf21("3","4","5","7","5","7","7","1") = "6"
    & skf21("3","4","5","7","6","1","1","1") = "6"
    & skf21("3","4","5","7","6","1","2","1") = "6"
    & skf21("3","4","5","7","6","1","3","1") = "6"
    & skf21("3","4","5","7","6","1","4","1") = "6"
    & skf21("3","4","5","7","6","1","5","1") = "6"
    & skf21("3","4","5","7","6","1","6","1") = "6"
    & skf21("3","4","5","7","6","1","7","1") = "6"
    & skf21("3","4","5","7","6","2","1","1") = "6"
    & skf21("3","4","5","7","6","2","2","1") = "6"
    & skf21("3","4","5","7","6","2","3","1") = "6"
    & skf21("3","4","5","7","6","2","4","1") = "6"
    & skf21("3","4","5","7","6","2","5","1") = "6"
    & skf21("3","4","5","7","6","2","6","1") = "6"
    & skf21("3","4","5","7","6","2","7","1") = "6"
    & skf21("3","4","5","7","6","3","1","1") = "6"
    & skf21("3","4","5","7","6","3","2","1") = "6"
    & skf21("3","4","5","7","6","3","3","1") = "6"
    & skf21("3","4","5","7","6","3","4","1") = "6"
    & skf21("3","4","5","7","6","3","5","1") = "6"
    & skf21("3","4","5","7","6","3","6","1") = "6"
    & skf21("3","4","5","7","6","3","7","1") = "6"
    & skf21("3","4","5","7","6","4","1","1") = "6"
    & skf21("3","4","5","7","6","4","2","1") = "6"
    & skf21("3","4","5","7","6","4","3","1") = "6"
    & skf21("3","4","5","7","6","4","4","1") = "6"
    & skf21("3","4","5","7","6","4","5","1") = "6"
    & skf21("3","4","5","7","6","4","6","1") = "6"
    & skf21("3","4","5","7","6","4","7","1") = "6"
    & skf21("3","4","5","7","6","5","1","1") = "6"
    & skf21("3","4","5","7","6","5","2","1") = "6"
    & skf21("3","4","5","7","6","5","3","1") = "6"
    & skf21("3","4","5","7","6","5","4","1") = "6"
    & skf21("3","4","5","7","6","5","5","1") = "6"
    & skf21("3","4","5","7","6","5","6","1") = "6"
    & skf21("3","4","5","7","6","5","7","1") = "6"
    & skf21("3","4","5","7","6","6","1","1") = "6"
    & skf21("3","4","5","7","6","6","2","1") = "6"
    & skf21("3","4","5","7","6","6","3","1") = "6"
    & skf21("3","4","5","7","6","6","4","1") = "6"
    & skf21("3","4","5","7","6","6","5","1") = "6"
    & skf21("3","4","5","7","6","6","6","1") = "6"
    & skf21("3","4","5","7","6","6","7","1") = "6"
    & skf21("3","4","5","7","6","7","1","1") = "6"
    & skf21("3","4","5","7","6","7","2","1") = "6"
    & skf21("3","4","5","7","6","7","3","1") = "6"
    & skf21("3","4","5","7","6","7","4","1") = "6"
    & skf21("3","4","5","7","6","7","5","1") = "6"
    & skf21("3","4","5","7","6","7","6","1") = "6"
    & skf21("3","4","5","7","6","7","7","1") = "6"
    & skf21("3","4","5","7","7","1","1","1") = "6"
    & skf21("3","4","5","7","7","1","2","1") = "6"
    & skf21("3","4","5","7","7","1","3","1") = "6"
    & skf21("3","4","5","7","7","1","4","1") = "6"
    & skf21("3","4","5","7","7","1","5","1") = "6"
    & skf21("3","4","5","7","7","1","6","1") = "6"
    & skf21("3","4","5","7","7","1","7","1") = "6"
    & skf21("3","4","5","7","7","2","1","1") = "6"
    & skf21("3","4","5","7","7","2","2","1") = "6"
    & skf21("3","4","5","7","7","2","3","1") = "6"
    & skf21("3","4","5","7","7","2","4","1") = "6"
    & skf21("3","4","5","7","7","2","5","1") = "6"
    & skf21("3","4","5","7","7","2","6","1") = "6"
    & skf21("3","4","5","7","7","2","7","1") = "6"
    & skf21("3","4","5","7","7","3","1","1") = "6"
    & skf21("3","4","5","7","7","3","2","1") = "6"
    & skf21("3","4","5","7","7","3","3","1") = "6"
    & skf21("3","4","5","7","7","3","4","1") = "6"
    & skf21("3","4","5","7","7","3","5","1") = "6"
    & skf21("3","4","5","7","7","3","6","1") = "6"
    & skf21("3","4","5","7","7","3","7","1") = "6"
    & skf21("3","4","5","7","7","4","1","1") = "6"
    & skf21("3","4","5","7","7","4","2","1") = "6"
    & skf21("3","4","5","7","7","4","3","1") = "6"
    & skf21("3","4","5","7","7","4","4","1") = "6"
    & skf21("3","4","5","7","7","4","5","1") = "6"
    & skf21("3","4","5","7","7","4","6","1") = "6"
    & skf21("3","4","5","7","7","4","7","1") = "6"
    & skf21("3","4","5","7","7","5","1","1") = "6"
    & skf21("3","4","5","7","7","5","2","1") = "6"
    & skf21("3","4","5","7","7","5","3","1") = "6"
    & skf21("3","4","5","7","7","5","4","1") = "6"
    & skf21("3","4","5","7","7","5","5","1") = "6"
    & skf21("3","4","5","7","7","5","6","1") = "6"
    & skf21("3","4","5","7","7","5","7","1") = "6"
    & skf21("3","4","5","7","7","6","1","1") = "6"
    & skf21("3","4","5","7","7","6","2","1") = "6"
    & skf21("3","4","5","7","7","6","3","1") = "6"
    & skf21("3","4","5","7","7","6","4","1") = "6"
    & skf21("3","4","5","7","7","6","5","1") = "6"
    & skf21("3","4","5","7","7","6","6","1") = "6"
    & skf21("3","4","5","7","7","6","7","1") = "6"
    & skf21("3","4","5","7","7","7","1","1") = "6"
    & skf21("3","4","5","7","7","7","2","1") = "6"
    & skf21("3","4","5","7","7","7","3","1") = "6"
    & skf21("3","4","5","7","7","7","4","1") = "6"
    & skf21("3","4","5","7","7","7","5","1") = "6"
    & skf21("3","4","5","7","7","7","6","1") = "6"
    & skf21("3","4","5","7","7","7","7","1") = "6"
    & skf21("3","4","6","1","1","1","1","1") = "5"
    & skf21("3","4","6","1","1","1","2","1") = "5"
    & skf21("3","4","6","1","1","1","3","1") = "5"
    & skf21("3","4","6","1","1","1","4","1") = "5"
    & skf21("3","4","6","1","1","1","5","1") = "5"
    & skf21("3","4","6","1","1","1","6","1") = "5"
    & skf21("3","4","6","1","1","1","7","1") = "6"
    & skf21("3","4","6","1","1","2","1","1") = "5"
    & skf21("3","4","6","1","1","2","2","1") = "5"
    & skf21("3","4","6","1","1","2","3","1") = "5"
    & skf21("3","4","6","1","1","2","4","1") = "5"
    & skf21("3","4","6","1","1","2","5","1") = "5"
    & skf21("3","4","6","1","1","2","6","1") = "5"
    & skf21("3","4","6","1","1","2","7","1") = "6"
    & skf21("3","4","6","1","1","3","1","1") = "5"
    & skf21("3","4","6","1","1","3","2","1") = "5"
    & skf21("3","4","6","1","1","3","3","1") = "5"
    & skf21("3","4","6","1","1","3","4","1") = "5"
    & skf21("3","4","6","1","1","3","5","1") = "5"
    & skf21("3","4","6","1","1","3","6","1") = "5"
    & skf21("3","4","6","1","1","3","7","1") = "6"
    & skf21("3","4","6","1","1","4","1","1") = "5"
    & skf21("3","4","6","1","1","4","2","1") = "5"
    & skf21("3","4","6","1","1","4","3","1") = "5"
    & skf21("3","4","6","1","1","4","4","1") = "5"
    & skf21("3","4","6","1","1","4","5","1") = "5"
    & skf21("3","4","6","1","1","4","6","1") = "5"
    & skf21("3","4","6","1","1","4","7","1") = "6"
    & skf21("3","4","6","1","1","5","1","1") = "5"
    & skf21("3","4","6","1","1","5","2","1") = "5"
    & skf21("3","4","6","1","1","5","3","1") = "5"
    & skf21("3","4","6","1","1","5","4","1") = "5"
    & skf21("3","4","6","1","1","5","5","1") = "5"
    & skf21("3","4","6","1","1","5","6","1") = "5"
    & skf21("3","4","6","1","1","5","7","1") = "6"
    & skf21("3","4","6","1","1","6","1","1") = "5"
    & skf21("3","4","6","1","1","6","2","1") = "5"
    & skf21("3","4","6","1","1","6","3","1") = "5"
    & skf21("3","4","6","1","1","6","4","1") = "5"
    & skf21("3","4","6","1","1","6","5","1") = "5"
    & skf21("3","4","6","1","1","6","6","1") = "5"
    & skf21("3","4","6","1","1","6","7","1") = "6"
    & skf21("3","4","6","1","1","7","1","1") = "6"
    & skf21("3","4","6","1","1","7","2","1") = "6"
    & skf21("3","4","6","1","1","7","3","1") = "6"
    & skf21("3","4","6","1","1","7","4","1") = "6"
    & skf21("3","4","6","1","1","7","5","1") = "6"
    & skf21("3","4","6","1","1","7","6","1") = "6"
    & skf21("3","4","6","1","1","7","7","1") = "6"
    & skf21("3","4","6","1","2","1","1","1") = "5"
    & skf21("3","4","6","1","2","1","2","1") = "5"
    & skf21("3","4","6","1","2","1","3","1") = "5"
    & skf21("3","4","6","1","2","1","4","1") = "5"
    & skf21("3","4","6","1","2","1","5","1") = "5"
    & skf21("3","4","6","1","2","1","6","1") = "5"
    & skf21("3","4","6","1","2","1","7","1") = "6"
    & skf21("3","4","6","1","2","2","1","1") = "5"
    & skf21("3","4","6","1","2","2","2","1") = "5"
    & skf21("3","4","6","1","2","2","3","1") = "5"
    & skf21("3","4","6","1","2","2","4","1") = "5"
    & skf21("3","4","6","1","2","2","5","1") = "5"
    & skf21("3","4","6","1","2","2","6","1") = "5"
    & skf21("3","4","6","1","2","2","7","1") = "6"
    & skf21("3","4","6","1","2","3","1","1") = "5"
    & skf21("3","4","6","1","2","3","2","1") = "5"
    & skf21("3","4","6","1","2","3","3","1") = "5"
    & skf21("3","4","6","1","2","3","4","1") = "5"
    & skf21("3","4","6","1","2","3","5","1") = "5"
    & skf21("3","4","6","1","2","3","6","1") = "5"
    & skf21("3","4","6","1","2","3","7","1") = "6"
    & skf21("3","4","6","1","2","4","1","1") = "5"
    & skf21("3","4","6","1","2","4","2","1") = "5"
    & skf21("3","4","6","1","2","4","3","1") = "5"
    & skf21("3","4","6","1","2","4","4","1") = "5"
    & skf21("3","4","6","1","2","4","5","1") = "5"
    & skf21("3","4","6","1","2","4","6","1") = "5"
    & skf21("3","4","6","1","2","4","7","1") = "6"
    & skf21("3","4","6","1","2","5","1","1") = "5"
    & skf21("3","4","6","1","2","5","2","1") = "5"
    & skf21("3","4","6","1","2","5","3","1") = "5"
    & skf21("3","4","6","1","2","5","4","1") = "5"
    & skf21("3","4","6","1","2","5","5","1") = "5"
    & skf21("3","4","6","1","2","5","6","1") = "5"
    & skf21("3","4","6","1","2","5","7","1") = "6"
    & skf21("3","4","6","1","2","6","1","1") = "5"
    & skf21("3","4","6","1","2","6","2","1") = "5"
    & skf21("3","4","6","1","2","6","3","1") = "5"
    & skf21("3","4","6","1","2","6","4","1") = "5"
    & skf21("3","4","6","1","2","6","5","1") = "5"
    & skf21("3","4","6","1","2","6","6","1") = "5"
    & skf21("3","4","6","1","2","6","7","1") = "6"
    & skf21("3","4","6","1","2","7","1","1") = "6"
    & skf21("3","4","6","1","2","7","2","1") = "6"
    & skf21("3","4","6","1","2","7","3","1") = "6"
    & skf21("3","4","6","1","2","7","4","1") = "6"
    & skf21("3","4","6","1","2","7","5","1") = "6"
    & skf21("3","4","6","1","2","7","6","1") = "6"
    & skf21("3","4","6","1","2","7","7","1") = "6"
    & skf21("3","4","6","1","3","1","1","1") = "5"
    & skf21("3","4","6","1","3","1","2","1") = "5"
    & skf21("3","4","6","1","3","1","3","1") = "5"
    & skf21("3","4","6","1","3","1","4","1") = "5"
    & skf21("3","4","6","1","3","1","5","1") = "5"
    & skf21("3","4","6","1","3","1","6","1") = "5"
    & skf21("3","4","6","1","3","1","7","1") = "6"
    & skf21("3","4","6","1","3","2","1","1") = "5"
    & skf21("3","4","6","1","3","2","2","1") = "5"
    & skf21("3","4","6","1","3","2","3","1") = "5"
    & skf21("3","4","6","1","3","2","4","1") = "5"
    & skf21("3","4","6","1","3","2","5","1") = "5"
    & skf21("3","4","6","1","3","2","6","1") = "5"
    & skf21("3","4","6","1","3","2","7","1") = "6"
    & skf21("3","4","6","1","3","3","1","1") = "5"
    & skf21("3","4","6","1","3","3","2","1") = "5"
    & skf21("3","4","6","1","3","3","3","1") = "5"
    & skf21("3","4","6","1","3","3","4","1") = "5"
    & skf21("3","4","6","1","3","3","5","1") = "5"
    & skf21("3","4","6","1","3","3","6","1") = "5"
    & skf21("3","4","6","1","3","3","7","1") = "6"
    & skf21("3","4","6","1","3","4","1","1") = "5"
    & skf21("3","4","6","1","3","4","2","1") = "5"
    & skf21("3","4","6","1","3","4","3","1") = "5"
    & skf21("3","4","6","1","3","4","4","1") = "5"
    & skf21("3","4","6","1","3","4","5","1") = "5"
    & skf21("3","4","6","1","3","4","6","1") = "5"
    & skf21("3","4","6","1","3","4","7","1") = "6"
    & skf21("3","4","6","1","3","5","1","1") = "5"
    & skf21("3","4","6","1","3","5","2","1") = "5"
    & skf21("3","4","6","1","3","5","3","1") = "5"
    & skf21("3","4","6","1","3","5","4","1") = "5"
    & skf21("3","4","6","1","3","5","5","1") = "5"
    & skf21("3","4","6","1","3","5","6","1") = "5"
    & skf21("3","4","6","1","3","5","7","1") = "6"
    & skf21("3","4","6","1","3","6","1","1") = "5"
    & skf21("3","4","6","1","3","6","2","1") = "5"
    & skf21("3","4","6","1","3","6","3","1") = "5"
    & skf21("3","4","6","1","3","6","4","1") = "5"
    & skf21("3","4","6","1","3","6","5","1") = "5"
    & skf21("3","4","6","1","3","6","6","1") = "5"
    & skf21("3","4","6","1","3","6","7","1") = "6"
    & skf21("3","4","6","1","3","7","1","1") = "6"
    & skf21("3","4","6","1","3","7","2","1") = "6"
    & skf21("3","4","6","1","3","7","3","1") = "6"
    & skf21("3","4","6","1","3","7","4","1") = "6"
    & skf21("3","4","6","1","3","7","5","1") = "6"
    & skf21("3","4","6","1","3","7","6","1") = "6"
    & skf21("3","4","6","1","3","7","7","1") = "6"
    & skf21("3","4","6","1","4","1","1","1") = "5"
    & skf21("3","4","6","1","4","1","2","1") = "5"
    & skf21("3","4","6","1","4","1","3","1") = "5"
    & skf21("3","4","6","1","4","1","4","1") = "5"
    & skf21("3","4","6","1","4","1","5","1") = "5"
    & skf21("3","4","6","1","4","1","6","1") = "5"
    & skf21("3","4","6","1","4","1","7","1") = "6"
    & skf21("3","4","6","1","4","2","1","1") = "5"
    & skf21("3","4","6","1","4","2","2","1") = "5"
    & skf21("3","4","6","1","4","2","3","1") = "5"
    & skf21("3","4","6","1","4","2","4","1") = "5"
    & skf21("3","4","6","1","4","2","5","1") = "5"
    & skf21("3","4","6","1","4","2","6","1") = "5"
    & skf21("3","4","6","1","4","2","7","1") = "6"
    & skf21("3","4","6","1","4","3","1","1") = "5"
    & skf21("3","4","6","1","4","3","2","1") = "5"
    & skf21("3","4","6","1","4","3","3","1") = "5"
    & skf21("3","4","6","1","4","3","4","1") = "5"
    & skf21("3","4","6","1","4","3","5","1") = "5"
    & skf21("3","4","6","1","4","3","6","1") = "5"
    & skf21("3","4","6","1","4","3","7","1") = "6"
    & skf21("3","4","6","1","4","4","1","1") = "5"
    & skf21("3","4","6","1","4","4","2","1") = "5"
    & skf21("3","4","6","1","4","4","3","1") = "5"
    & skf21("3","4","6","1","4","4","4","1") = "5"
    & skf21("3","4","6","1","4","4","5","1") = "5"
    & skf21("3","4","6","1","4","4","6","1") = "5"
    & skf21("3","4","6","1","4","4","7","1") = "6"
    & skf21("3","4","6","1","4","5","1","1") = "5"
    & skf21("3","4","6","1","4","5","2","1") = "5"
    & skf21("3","4","6","1","4","5","3","1") = "5"
    & skf21("3","4","6","1","4","5","4","1") = "5"
    & skf21("3","4","6","1","4","5","5","1") = "5"
    & skf21("3","4","6","1","4","5","6","1") = "5"
    & skf21("3","4","6","1","4","5","7","1") = "6"
    & skf21("3","4","6","1","4","6","1","1") = "5"
    & skf21("3","4","6","1","4","6","2","1") = "5"
    & skf21("3","4","6","1","4","6","3","1") = "5"
    & skf21("3","4","6","1","4","6","4","1") = "5"
    & skf21("3","4","6","1","4","6","5","1") = "5"
    & skf21("3","4","6","1","4","6","6","1") = "5"
    & skf21("3","4","6","1","4","6","7","1") = "6"
    & skf21("3","4","6","1","4","7","1","1") = "6"
    & skf21("3","4","6","1","4","7","2","1") = "6"
    & skf21("3","4","6","1","4","7","3","1") = "6"
    & skf21("3","4","6","1","4","7","4","1") = "6"
    & skf21("3","4","6","1","4","7","5","1") = "6"
    & skf21("3","4","6","1","4","7","6","1") = "6"
    & skf21("3","4","6","1","4","7","7","1") = "6"
    & skf21("3","4","6","1","5","1","1","1") = "5"
    & skf21("3","4","6","1","5","1","2","1") = "5"
    & skf21("3","4","6","1","5","1","3","1") = "5"
    & skf21("3","4","6","1","5","1","4","1") = "5"
    & skf21("3","4","6","1","5","1","5","1") = "5"
    & skf21("3","4","6","1","5","1","6","1") = "5"
    & skf21("3","4","6","1","5","1","7","1") = "6"
    & skf21("3","4","6","1","5","2","1","1") = "5"
    & skf21("3","4","6","1","5","2","2","1") = "5"
    & skf21("3","4","6","1","5","2","3","1") = "5"
    & skf21("3","4","6","1","5","2","4","1") = "5"
    & skf21("3","4","6","1","5","2","5","1") = "5"
    & skf21("3","4","6","1","5","2","6","1") = "5"
    & skf21("3","4","6","1","5","2","7","1") = "6"
    & skf21("3","4","6","1","5","3","1","1") = "5"
    & skf21("3","4","6","1","5","3","2","1") = "5"
    & skf21("3","4","6","1","5","3","3","1") = "5"
    & skf21("3","4","6","1","5","3","4","1") = "5"
    & skf21("3","4","6","1","5","3","5","1") = "5"
    & skf21("3","4","6","1","5","3","6","1") = "5"
    & skf21("3","4","6","1","5","3","7","1") = "6"
    & skf21("3","4","6","1","5","4","1","1") = "5"
    & skf21("3","4","6","1","5","4","2","1") = "5"
    & skf21("3","4","6","1","5","4","3","1") = "5"
    & skf21("3","4","6","1","5","4","4","1") = "5"
    & skf21("3","4","6","1","5","4","5","1") = "5"
    & skf21("3","4","6","1","5","4","6","1") = "5"
    & skf21("3","4","6","1","5","4","7","1") = "6"
    & skf21("3","4","6","1","5","5","1","1") = "5"
    & skf21("3","4","6","1","5","5","2","1") = "5"
    & skf21("3","4","6","1","5","5","3","1") = "5"
    & skf21("3","4","6","1","5","5","4","1") = "5"
    & skf21("3","4","6","1","5","5","5","1") = "5"
    & skf21("3","4","6","1","5","5","6","1") = "5"
    & skf21("3","4","6","1","5","5","7","1") = "6"
    & skf21("3","4","6","1","5","6","1","1") = "5"
    & skf21("3","4","6","1","5","6","2","1") = "5"
    & skf21("3","4","6","1","5","6","3","1") = "5"
    & skf21("3","4","6","1","5","6","4","1") = "5"
    & skf21("3","4","6","1","5","6","5","1") = "5"
    & skf21("3","4","6","1","5","6","6","1") = "5"
    & skf21("3","4","6","1","5","6","7","1") = "6"
    & skf21("3","4","6","1","5","7","1","1") = "6"
    & skf21("3","4","6","1","5","7","2","1") = "6"
    & skf21("3","4","6","1","5","7","3","1") = "6"
    & skf21("3","4","6","1","5","7","4","1") = "6"
    & skf21("3","4","6","1","5","7","5","1") = "6"
    & skf21("3","4","6","1","5","7","6","1") = "6"
    & skf21("3","4","6","1","5","7","7","1") = "6"
    & skf21("3","4","6","1","6","1","1","1") = "5"
    & skf21("3","4","6","1","6","1","2","1") = "5"
    & skf21("3","4","6","1","6","1","3","1") = "5"
    & skf21("3","4","6","1","6","1","4","1") = "5"
    & skf21("3","4","6","1","6","1","5","1") = "5"
    & skf21("3","4","6","1","6","1","6","1") = "5"
    & skf21("3","4","6","1","6","1","7","1") = "6"
    & skf21("3","4","6","1","6","2","1","1") = "5"
    & skf21("3","4","6","1","6","2","2","1") = "5"
    & skf21("3","4","6","1","6","2","3","1") = "5"
    & skf21("3","4","6","1","6","2","4","1") = "5"
    & skf21("3","4","6","1","6","2","5","1") = "5"
    & skf21("3","4","6","1","6","2","6","1") = "5"
    & skf21("3","4","6","1","6","2","7","1") = "6"
    & skf21("3","4","6","1","6","3","1","1") = "5"
    & skf21("3","4","6","1","6","3","2","1") = "5"
    & skf21("3","4","6","1","6","3","3","1") = "5"
    & skf21("3","4","6","1","6","3","4","1") = "5"
    & skf21("3","4","6","1","6","3","5","1") = "5"
    & skf21("3","4","6","1","6","3","6","1") = "5"
    & skf21("3","4","6","1","6","3","7","1") = "6"
    & skf21("3","4","6","1","6","4","1","1") = "5"
    & skf21("3","4","6","1","6","4","2","1") = "5"
    & skf21("3","4","6","1","6","4","3","1") = "5"
    & skf21("3","4","6","1","6","4","4","1") = "5"
    & skf21("3","4","6","1","6","4","5","1") = "5"
    & skf21("3","4","6","1","6","4","6","1") = "5"
    & skf21("3","4","6","1","6","4","7","1") = "6"
    & skf21("3","4","6","1","6","5","1","1") = "5"
    & skf21("3","4","6","1","6","5","2","1") = "5"
    & skf21("3","4","6","1","6","5","3","1") = "5"
    & skf21("3","4","6","1","6","5","4","1") = "5"
    & skf21("3","4","6","1","6","5","5","1") = "5"
    & skf21("3","4","6","1","6","5","6","1") = "5"
    & skf21("3","4","6","1","6","5","7","1") = "6"
    & skf21("3","4","6","1","6","6","1","1") = "5"
    & skf21("3","4","6","1","6","6","2","1") = "5"
    & skf21("3","4","6","1","6","6","3","1") = "5"
    & skf21("3","4","6","1","6","6","4","1") = "5"
    & skf21("3","4","6","1","6","6","5","1") = "5"
    & skf21("3","4","6","1","6","6","6","1") = "5"
    & skf21("3","4","6","1","6","6","7","1") = "6"
    & skf21("3","4","6","1","6","7","1","1") = "6"
    & skf21("3","4","6","1","6","7","2","1") = "6"
    & skf21("3","4","6","1","6","7","3","1") = "6"
    & skf21("3","4","6","1","6","7","4","1") = "6"
    & skf21("3","4","6","1","6","7","5","1") = "6"
    & skf21("3","4","6","1","6","7","6","1") = "6"
    & skf21("3","4","6","1","6","7","7","1") = "6"
    & skf21("3","4","6","1","7","1","1","1") = "6"
    & skf21("3","4","6","1","7","1","2","1") = "6"
    & skf21("3","4","6","1","7","1","3","1") = "6"
    & skf21("3","4","6","1","7","1","4","1") = "6"
    & skf21("3","4","6","1","7","1","5","1") = "6"
    & skf21("3","4","6","1","7","1","6","1") = "6"
    & skf21("3","4","6","1","7","1","7","1") = "6"
    & skf21("3","4","6","1","7","2","1","1") = "6"
    & skf21("3","4","6","1","7","2","2","1") = "6"
    & skf21("3","4","6","1","7","2","3","1") = "6"
    & skf21("3","4","6","1","7","2","4","1") = "6"
    & skf21("3","4","6","1","7","2","5","1") = "6"
    & skf21("3","4","6","1","7","2","6","1") = "6"
    & skf21("3","4","6","1","7","2","7","1") = "6"
    & skf21("3","4","6","1","7","3","1","1") = "6"
    & skf21("3","4","6","1","7","3","2","1") = "6"
    & skf21("3","4","6","1","7","3","3","1") = "6"
    & skf21("3","4","6","1","7","3","4","1") = "6"
    & skf21("3","4","6","1","7","3","5","1") = "6"
    & skf21("3","4","6","1","7","3","6","1") = "6"
    & skf21("3","4","6","1","7","3","7","1") = "6"
    & skf21("3","4","6","1","7","4","1","1") = "6"
    & skf21("3","4","6","1","7","4","2","1") = "6"
    & skf21("3","4","6","1","7","4","3","1") = "6"
    & skf21("3","4","6","1","7","4","4","1") = "6"
    & skf21("3","4","6","1","7","4","5","1") = "6"
    & skf21("3","4","6","1","7","4","6","1") = "6"
    & skf21("3","4","6","1","7","4","7","1") = "6"
    & skf21("3","4","6","1","7","5","1","1") = "6"
    & skf21("3","4","6","1","7","5","2","1") = "6"
    & skf21("3","4","6","1","7","5","3","1") = "6"
    & skf21("3","4","6","1","7","5","4","1") = "6"
    & skf21("3","4","6","1","7","5","5","1") = "6"
    & skf21("3","4","6","1","7","5","6","1") = "6"
    & skf21("3","4","6","1","7","5","7","1") = "6"
    & skf21("3","4","6","1","7","6","1","1") = "6"
    & skf21("3","4","6","1","7","6","2","1") = "6"
    & skf21("3","4","6","1","7","6","3","1") = "6"
    & skf21("3","4","6","1","7","6","4","1") = "6"
    & skf21("3","4","6","1","7","6","5","1") = "6"
    & skf21("3","4","6","1","7","6","6","1") = "6"
    & skf21("3","4","6","1","7","6","7","1") = "6"
    & skf21("3","4","6","1","7","7","1","1") = "6"
    & skf21("3","4","6","1","7","7","2","1") = "6"
    & skf21("3","4","6","1","7","7","3","1") = "6"
    & skf21("3","4","6","1","7","7","4","1") = "6"
    & skf21("3","4","6","1","7","7","5","1") = "6"
    & skf21("3","4","6","1","7","7","6","1") = "6"
    & skf21("3","4","6","1","7","7","7","1") = "6"
    & skf21("3","4","6","2","1","1","1","1") = "5"
    & skf21("3","4","6","2","1","1","2","1") = "5"
    & skf21("3","4","6","2","1","1","3","1") = "5"
    & skf21("3","4","6","2","1","1","4","1") = "5"
    & skf21("3","4","6","2","1","1","5","1") = "5"
    & skf21("3","4","6","2","1","1","6","1") = "5"
    & skf21("3","4","6","2","1","1","7","1") = "6"
    & skf21("3","4","6","2","1","2","1","1") = "5"
    & skf21("3","4","6","2","1","2","2","1") = "5"
    & skf21("3","4","6","2","1","2","3","1") = "5"
    & skf21("3","4","6","2","1","2","4","1") = "5"
    & skf21("3","4","6","2","1","2","5","1") = "5"
    & skf21("3","4","6","2","1","2","6","1") = "5"
    & skf21("3","4","6","2","1","2","7","1") = "6"
    & skf21("3","4","6","2","1","3","1","1") = "5"
    & skf21("3","4","6","2","1","3","2","1") = "5"
    & skf21("3","4","6","2","1","3","3","1") = "5"
    & skf21("3","4","6","2","1","3","4","1") = "5"
    & skf21("3","4","6","2","1","3","5","1") = "5"
    & skf21("3","4","6","2","1","3","6","1") = "5"
    & skf21("3","4","6","2","1","3","7","1") = "6"
    & skf21("3","4","6","2","1","4","1","1") = "5"
    & skf21("3","4","6","2","1","4","2","1") = "5"
    & skf21("3","4","6","2","1","4","3","1") = "5"
    & skf21("3","4","6","2","1","4","4","1") = "5"
    & skf21("3","4","6","2","1","4","5","1") = "5"
    & skf21("3","4","6","2","1","4","6","1") = "5"
    & skf21("3","4","6","2","1","4","7","1") = "6"
    & skf21("3","4","6","2","1","5","1","1") = "5"
    & skf21("3","4","6","2","1","5","2","1") = "5"
    & skf21("3","4","6","2","1","5","3","1") = "5"
    & skf21("3","4","6","2","1","5","4","1") = "5"
    & skf21("3","4","6","2","1","5","5","1") = "5"
    & skf21("3","4","6","2","1","5","6","1") = "5"
    & skf21("3","4","6","2","1","5","7","1") = "6"
    & skf21("3","4","6","2","1","6","1","1") = "5"
    & skf21("3","4","6","2","1","6","2","1") = "5"
    & skf21("3","4","6","2","1","6","3","1") = "5"
    & skf21("3","4","6","2","1","6","4","1") = "5"
    & skf21("3","4","6","2","1","6","5","1") = "5"
    & skf21("3","4","6","2","1","6","6","1") = "5"
    & skf21("3","4","6","2","1","6","7","1") = "6"
    & skf21("3","4","6","2","1","7","1","1") = "6"
    & skf21("3","4","6","2","1","7","2","1") = "6"
    & skf21("3","4","6","2","1","7","3","1") = "6"
    & skf21("3","4","6","2","1","7","4","1") = "6"
    & skf21("3","4","6","2","1","7","5","1") = "6"
    & skf21("3","4","6","2","1","7","6","1") = "6"
    & skf21("3","4","6","2","1","7","7","1") = "6"
    & skf21("3","4","6","2","2","1","1","1") = "5"
    & skf21("3","4","6","2","2","1","2","1") = "5"
    & skf21("3","4","6","2","2","1","3","1") = "5"
    & skf21("3","4","6","2","2","1","4","1") = "5"
    & skf21("3","4","6","2","2","1","5","1") = "5"
    & skf21("3","4","6","2","2","1","6","1") = "5"
    & skf21("3","4","6","2","2","1","7","1") = "6"
    & skf21("3","4","6","2","2","2","1","1") = "5"
    & skf21("3","4","6","2","2","2","2","1") = "5"
    & skf21("3","4","6","2","2","2","3","1") = "5"
    & skf21("3","4","6","2","2","2","4","1") = "5"
    & skf21("3","4","6","2","2","2","5","1") = "5"
    & skf21("3","4","6","2","2","2","6","1") = "5"
    & skf21("3","4","6","2","2","2","7","1") = "6"
    & skf21("3","4","6","2","2","3","1","1") = "5"
    & skf21("3","4","6","2","2","3","2","1") = "5"
    & skf21("3","4","6","2","2","3","3","1") = "5"
    & skf21("3","4","6","2","2","3","4","1") = "5"
    & skf21("3","4","6","2","2","3","5","1") = "5"
    & skf21("3","4","6","2","2","3","6","1") = "5"
    & skf21("3","4","6","2","2","3","7","1") = "6"
    & skf21("3","4","6","2","2","4","1","1") = "5"
    & skf21("3","4","6","2","2","4","2","1") = "5"
    & skf21("3","4","6","2","2","4","3","1") = "5"
    & skf21("3","4","6","2","2","4","4","1") = "5"
    & skf21("3","4","6","2","2","4","5","1") = "5"
    & skf21("3","4","6","2","2","4","6","1") = "5"
    & skf21("3","4","6","2","2","4","7","1") = "6"
    & skf21("3","4","6","2","2","5","1","1") = "5"
    & skf21("3","4","6","2","2","5","2","1") = "5"
    & skf21("3","4","6","2","2","5","3","1") = "5"
    & skf21("3","4","6","2","2","5","4","1") = "5"
    & skf21("3","4","6","2","2","5","5","1") = "5"
    & skf21("3","4","6","2","2","5","6","1") = "5"
    & skf21("3","4","6","2","2","5","7","1") = "6"
    & skf21("3","4","6","2","2","6","1","1") = "5"
    & skf21("3","4","6","2","2","6","2","1") = "5"
    & skf21("3","4","6","2","2","6","3","1") = "5"
    & skf21("3","4","6","2","2","6","4","1") = "5"
    & skf21("3","4","6","2","2","6","5","1") = "5"
    & skf21("3","4","6","2","2","6","6","1") = "5"
    & skf21("3","4","6","2","2","6","7","1") = "6"
    & skf21("3","4","6","2","2","7","1","1") = "6"
    & skf21("3","4","6","2","2","7","2","1") = "6"
    & skf21("3","4","6","2","2","7","3","1") = "6"
    & skf21("3","4","6","2","2","7","4","1") = "6"
    & skf21("3","4","6","2","2","7","5","1") = "6"
    & skf21("3","4","6","2","2","7","6","1") = "6"
    & skf21("3","4","6","2","2","7","7","1") = "6"
    & skf21("3","4","6","2","3","1","1","1") = "5"
    & skf21("3","4","6","2","3","1","2","1") = "5"
    & skf21("3","4","6","2","3","1","3","1") = "5"
    & skf21("3","4","6","2","3","1","4","1") = "5"
    & skf21("3","4","6","2","3","1","5","1") = "5"
    & skf21("3","4","6","2","3","1","6","1") = "5"
    & skf21("3","4","6","2","3","1","7","1") = "6"
    & skf21("3","4","6","2","3","2","1","1") = "5"
    & skf21("3","4","6","2","3","2","2","1") = "5"
    & skf21("3","4","6","2","3","2","3","1") = "5"
    & skf21("3","4","6","2","3","2","4","1") = "5"
    & skf21("3","4","6","2","3","2","5","1") = "5"
    & skf21("3","4","6","2","3","2","6","1") = "5"
    & skf21("3","4","6","2","3","2","7","1") = "6"
    & skf21("3","4","6","2","3","3","1","1") = "5"
    & skf21("3","4","6","2","3","3","2","1") = "5"
    & skf21("3","4","6","2","3","3","3","1") = "5"
    & skf21("3","4","6","2","3","3","4","1") = "5"
    & skf21("3","4","6","2","3","3","5","1") = "5"
    & skf21("3","4","6","2","3","3","6","1") = "5"
    & skf21("3","4","6","2","3","3","7","1") = "6"
    & skf21("3","4","6","2","3","4","1","1") = "5"
    & skf21("3","4","6","2","3","4","2","1") = "5"
    & skf21("3","4","6","2","3","4","3","1") = "5"
    & skf21("3","4","6","2","3","4","4","1") = "5"
    & skf21("3","4","6","2","3","4","5","1") = "5"
    & skf21("3","4","6","2","3","4","6","1") = "5"
    & skf21("3","4","6","2","3","4","7","1") = "6"
    & skf21("3","4","6","2","3","5","1","1") = "5"
    & skf21("3","4","6","2","3","5","2","1") = "5"
    & skf21("3","4","6","2","3","5","3","1") = "5"
    & skf21("3","4","6","2","3","5","4","1") = "5"
    & skf21("3","4","6","2","3","5","5","1") = "5"
    & skf21("3","4","6","2","3","5","6","1") = "5"
    & skf21("3","4","6","2","3","5","7","1") = "6"
    & skf21("3","4","6","2","3","6","1","1") = "5"
    & skf21("3","4","6","2","3","6","2","1") = "5"
    & skf21("3","4","6","2","3","6","3","1") = "5"
    & skf21("3","4","6","2","3","6","4","1") = "5"
    & skf21("3","4","6","2","3","6","5","1") = "5"
    & skf21("3","4","6","2","3","6","6","1") = "5"
    & skf21("3","4","6","2","3","6","7","1") = "6"
    & skf21("3","4","6","2","3","7","1","1") = "6"
    & skf21("3","4","6","2","3","7","2","1") = "6"
    & skf21("3","4","6","2","3","7","3","1") = "6"
    & skf21("3","4","6","2","3","7","4","1") = "6"
    & skf21("3","4","6","2","3","7","5","1") = "6"
    & skf21("3","4","6","2","3","7","6","1") = "6"
    & skf21("3","4","6","2","3","7","7","1") = "6"
    & skf21("3","4","6","2","4","1","1","1") = "5"
    & skf21("3","4","6","2","4","1","2","1") = "5"
    & skf21("3","4","6","2","4","1","3","1") = "5"
    & skf21("3","4","6","2","4","1","4","1") = "5"
    & skf21("3","4","6","2","4","1","5","1") = "5"
    & skf21("3","4","6","2","4","1","6","1") = "5"
    & skf21("3","4","6","2","4","1","7","1") = "6"
    & skf21("3","4","6","2","4","2","1","1") = "5"
    & skf21("3","4","6","2","4","2","2","1") = "5"
    & skf21("3","4","6","2","4","2","3","1") = "5"
    & skf21("3","4","6","2","4","2","4","1") = "5"
    & skf21("3","4","6","2","4","2","5","1") = "5"
    & skf21("3","4","6","2","4","2","6","1") = "5"
    & skf21("3","4","6","2","4","2","7","1") = "6"
    & skf21("3","4","6","2","4","3","1","1") = "5"
    & skf21("3","4","6","2","4","3","2","1") = "5"
    & skf21("3","4","6","2","4","3","3","1") = "5"
    & skf21("3","4","6","2","4","3","4","1") = "5"
    & skf21("3","4","6","2","4","3","5","1") = "5"
    & skf21("3","4","6","2","4","3","6","1") = "5"
    & skf21("3","4","6","2","4","3","7","1") = "6"
    & skf21("3","4","6","2","4","4","1","1") = "5"
    & skf21("3","4","6","2","4","4","2","1") = "5"
    & skf21("3","4","6","2","4","4","3","1") = "5"
    & skf21("3","4","6","2","4","4","4","1") = "5"
    & skf21("3","4","6","2","4","4","5","1") = "5"
    & skf21("3","4","6","2","4","4","6","1") = "5"
    & skf21("3","4","6","2","4","4","7","1") = "6"
    & skf21("3","4","6","2","4","5","1","1") = "5"
    & skf21("3","4","6","2","4","5","2","1") = "5"
    & skf21("3","4","6","2","4","5","3","1") = "5"
    & skf21("3","4","6","2","4","5","4","1") = "5"
    & skf21("3","4","6","2","4","5","5","1") = "5"
    & skf21("3","4","6","2","4","5","6","1") = "5"
    & skf21("3","4","6","2","4","5","7","1") = "6"
    & skf21("3","4","6","2","4","6","1","1") = "5"
    & skf21("3","4","6","2","4","6","2","1") = "5"
    & skf21("3","4","6","2","4","6","3","1") = "5"
    & skf21("3","4","6","2","4","6","4","1") = "5"
    & skf21("3","4","6","2","4","6","5","1") = "5"
    & skf21("3","4","6","2","4","6","6","1") = "5"
    & skf21("3","4","6","2","4","6","7","1") = "6"
    & skf21("3","4","6","2","4","7","1","1") = "6"
    & skf21("3","4","6","2","4","7","2","1") = "6"
    & skf21("3","4","6","2","4","7","3","1") = "6"
    & skf21("3","4","6","2","4","7","4","1") = "6"
    & skf21("3","4","6","2","4","7","5","1") = "6"
    & skf21("3","4","6","2","4","7","6","1") = "6"
    & skf21("3","4","6","2","4","7","7","1") = "6"
    & skf21("3","4","6","2","5","1","1","1") = "5"
    & skf21("3","4","6","2","5","1","2","1") = "5"
    & skf21("3","4","6","2","5","1","3","1") = "5"
    & skf21("3","4","6","2","5","1","4","1") = "5"
    & skf21("3","4","6","2","5","1","5","1") = "5"
    & skf21("3","4","6","2","5","1","6","1") = "5"
    & skf21("3","4","6","2","5","1","7","1") = "6"
    & skf21("3","4","6","2","5","2","1","1") = "5"
    & skf21("3","4","6","2","5","2","2","1") = "5"
    & skf21("3","4","6","2","5","2","3","1") = "5"
    & skf21("3","4","6","2","5","2","4","1") = "5"
    & skf21("3","4","6","2","5","2","5","1") = "5"
    & skf21("3","4","6","2","5","2","6","1") = "5"
    & skf21("3","4","6","2","5","2","7","1") = "6"
    & skf21("3","4","6","2","5","3","1","1") = "5"
    & skf21("3","4","6","2","5","3","2","1") = "5"
    & skf21("3","4","6","2","5","3","3","1") = "5"
    & skf21("3","4","6","2","5","3","4","1") = "5"
    & skf21("3","4","6","2","5","3","5","1") = "5"
    & skf21("3","4","6","2","5","3","6","1") = "5"
    & skf21("3","4","6","2","5","3","7","1") = "6"
    & skf21("3","4","6","2","5","4","1","1") = "5"
    & skf21("3","4","6","2","5","4","2","1") = "5"
    & skf21("3","4","6","2","5","4","3","1") = "5"
    & skf21("3","4","6","2","5","4","4","1") = "5"
    & skf21("3","4","6","2","5","4","5","1") = "5"
    & skf21("3","4","6","2","5","4","6","1") = "5"
    & skf21("3","4","6","2","5","4","7","1") = "6"
    & skf21("3","4","6","2","5","5","1","1") = "5"
    & skf21("3","4","6","2","5","5","2","1") = "5"
    & skf21("3","4","6","2","5","5","3","1") = "5"
    & skf21("3","4","6","2","5","5","4","1") = "5"
    & skf21("3","4","6","2","5","5","5","1") = "5"
    & skf21("3","4","6","2","5","5","6","1") = "5"
    & skf21("3","4","6","2","5","5","7","1") = "6"
    & skf21("3","4","6","2","5","6","1","1") = "5"
    & skf21("3","4","6","2","5","6","2","1") = "5"
    & skf21("3","4","6","2","5","6","3","1") = "5"
    & skf21("3","4","6","2","5","6","4","1") = "5"
    & skf21("3","4","6","2","5","6","5","1") = "5"
    & skf21("3","4","6","2","5","6","6","1") = "5"
    & skf21("3","4","6","2","5","6","7","1") = "6"
    & skf21("3","4","6","2","5","7","1","1") = "6"
    & skf21("3","4","6","2","5","7","2","1") = "6"
    & skf21("3","4","6","2","5","7","3","1") = "6"
    & skf21("3","4","6","2","5","7","4","1") = "6"
    & skf21("3","4","6","2","5","7","5","1") = "6"
    & skf21("3","4","6","2","5","7","6","1") = "6"
    & skf21("3","4","6","2","5","7","7","1") = "6"
    & skf21("3","4","6","2","6","1","1","1") = "5"
    & skf21("3","4","6","2","6","1","2","1") = "5"
    & skf21("3","4","6","2","6","1","3","1") = "5"
    & skf21("3","4","6","2","6","1","4","1") = "5"
    & skf21("3","4","6","2","6","1","5","1") = "5"
    & skf21("3","4","6","2","6","1","6","1") = "5"
    & skf21("3","4","6","2","6","1","7","1") = "6"
    & skf21("3","4","6","2","6","2","1","1") = "5"
    & skf21("3","4","6","2","6","2","2","1") = "5"
    & skf21("3","4","6","2","6","2","3","1") = "5"
    & skf21("3","4","6","2","6","2","4","1") = "5"
    & skf21("3","4","6","2","6","2","5","1") = "5"
    & skf21("3","4","6","2","6","2","6","1") = "5"
    & skf21("3","4","6","2","6","2","7","1") = "6"
    & skf21("3","4","6","2","6","3","1","1") = "5"
    & skf21("3","4","6","2","6","3","2","1") = "5"
    & skf21("3","4","6","2","6","3","3","1") = "5"
    & skf21("3","4","6","2","6","3","4","1") = "5"
    & skf21("3","4","6","2","6","3","5","1") = "5"
    & skf21("3","4","6","2","6","3","6","1") = "5"
    & skf21("3","4","6","2","6","3","7","1") = "6"
    & skf21("3","4","6","2","6","4","1","1") = "5"
    & skf21("3","4","6","2","6","4","2","1") = "5"
    & skf21("3","4","6","2","6","4","3","1") = "5"
    & skf21("3","4","6","2","6","4","4","1") = "5"
    & skf21("3","4","6","2","6","4","5","1") = "5"
    & skf21("3","4","6","2","6","4","6","1") = "5"
    & skf21("3","4","6","2","6","4","7","1") = "6"
    & skf21("3","4","6","2","6","5","1","1") = "5"
    & skf21("3","4","6","2","6","5","2","1") = "5"
    & skf21("3","4","6","2","6","5","3","1") = "5"
    & skf21("3","4","6","2","6","5","4","1") = "5"
    & skf21("3","4","6","2","6","5","5","1") = "5"
    & skf21("3","4","6","2","6","5","6","1") = "5"
    & skf21("3","4","6","2","6","5","7","1") = "6"
    & skf21("3","4","6","2","6","6","1","1") = "5"
    & skf21("3","4","6","2","6","6","2","1") = "5"
    & skf21("3","4","6","2","6","6","3","1") = "5"
    & skf21("3","4","6","2","6","6","4","1") = "5"
    & skf21("3","4","6","2","6","6","5","1") = "5"
    & skf21("3","4","6","2","6","6","6","1") = "5"
    & skf21("3","4","6","2","6","6","7","1") = "6"
    & skf21("3","4","6","2","6","7","1","1") = "6"
    & skf21("3","4","6","2","6","7","2","1") = "6"
    & skf21("3","4","6","2","6","7","3","1") = "6"
    & skf21("3","4","6","2","6","7","4","1") = "6"
    & skf21("3","4","6","2","6","7","5","1") = "6"
    & skf21("3","4","6","2","6","7","6","1") = "6"
    & skf21("3","4","6","2","6","7","7","1") = "6"
    & skf21("3","4","6","2","7","1","1","1") = "6"
    & skf21("3","4","6","2","7","1","2","1") = "6"
    & skf21("3","4","6","2","7","1","3","1") = "6"
    & skf21("3","4","6","2","7","1","4","1") = "6"
    & skf21("3","4","6","2","7","1","5","1") = "6"
    & skf21("3","4","6","2","7","1","6","1") = "6"
    & skf21("3","4","6","2","7","1","7","1") = "6"
    & skf21("3","4","6","2","7","2","1","1") = "6"
    & skf21("3","4","6","2","7","2","2","1") = "6"
    & skf21("3","4","6","2","7","2","3","1") = "6"
    & skf21("3","4","6","2","7","2","4","1") = "6"
    & skf21("3","4","6","2","7","2","5","1") = "6"
    & skf21("3","4","6","2","7","2","6","1") = "6"
    & skf21("3","4","6","2","7","2","7","1") = "6"
    & skf21("3","4","6","2","7","3","1","1") = "6"
    & skf21("3","4","6","2","7","3","2","1") = "6"
    & skf21("3","4","6","2","7","3","3","1") = "6"
    & skf21("3","4","6","2","7","3","4","1") = "6"
    & skf21("3","4","6","2","7","3","5","1") = "6"
    & skf21("3","4","6","2","7","3","6","1") = "6"
    & skf21("3","4","6","2","7","3","7","1") = "6"
    & skf21("3","4","6","2","7","4","1","1") = "6"
    & skf21("3","4","6","2","7","4","2","1") = "6"
    & skf21("3","4","6","2","7","4","3","1") = "6"
    & skf21("3","4","6","2","7","4","4","1") = "6"
    & skf21("3","4","6","2","7","4","5","1") = "6"
    & skf21("3","4","6","2","7","4","6","1") = "6"
    & skf21("3","4","6","2","7","4","7","1") = "6"
    & skf21("3","4","6","2","7","5","1","1") = "6"
    & skf21("3","4","6","2","7","5","2","1") = "6"
    & skf21("3","4","6","2","7","5","3","1") = "6"
    & skf21("3","4","6","2","7","5","4","1") = "6"
    & skf21("3","4","6","2","7","5","5","1") = "6"
    & skf21("3","4","6","2","7","5","6","1") = "6"
    & skf21("3","4","6","2","7","5","7","1") = "6"
    & skf21("3","4","6","2","7","6","1","1") = "6"
    & skf21("3","4","6","2","7","6","2","1") = "6"
    & skf21("3","4","6","2","7","6","3","1") = "6"
    & skf21("3","4","6","2","7","6","4","1") = "6"
    & skf21("3","4","6","2","7","6","5","1") = "6"
    & skf21("3","4","6","2","7","6","6","1") = "6"
    & skf21("3","4","6","2","7","6","7","1") = "6"
    & skf21("3","4","6","2","7","7","1","1") = "6"
    & skf21("3","4","6","2","7","7","2","1") = "6"
    & skf21("3","4","6","2","7","7","3","1") = "6"
    & skf21("3","4","6","2","7","7","4","1") = "6"
    & skf21("3","4","6","2","7","7","5","1") = "6"
    & skf21("3","4","6","2","7","7","6","1") = "6"
    & skf21("3","4","6","2","7","7","7","1") = "6"
    & skf21("3","4","6","3","1","1","1","1") = "5"
    & skf21("3","4","6","3","1","1","2","1") = "5"
    & skf21("3","4","6","3","1","1","3","1") = "5"
    & skf21("3","4","6","3","1","1","4","1") = "5"
    & skf21("3","4","6","3","1","1","5","1") = "5"
    & skf21("3","4","6","3","1","1","6","1") = "5"
    & skf21("3","4","6","3","1","1","7","1") = "6"
    & skf21("3","4","6","3","1","2","1","1") = "5"
    & skf21("3","4","6","3","1","2","2","1") = "5"
    & skf21("3","4","6","3","1","2","3","1") = "5"
    & skf21("3","4","6","3","1","2","4","1") = "5"
    & skf21("3","4","6","3","1","2","5","1") = "5"
    & skf21("3","4","6","3","1","2","6","1") = "5"
    & skf21("3","4","6","3","1","2","7","1") = "6"
    & skf21("3","4","6","3","1","3","1","1") = "5"
    & skf21("3","4","6","3","1","3","2","1") = "5"
    & skf21("3","4","6","3","1","3","3","1") = "5"
    & skf21("3","4","6","3","1","3","4","1") = "5"
    & skf21("3","4","6","3","1","3","5","1") = "5"
    & skf21("3","4","6","3","1","3","6","1") = "5"
    & skf21("3","4","6","3","1","3","7","1") = "6"
    & skf21("3","4","6","3","1","4","1","1") = "5"
    & skf21("3","4","6","3","1","4","2","1") = "5"
    & skf21("3","4","6","3","1","4","3","1") = "5"
    & skf21("3","4","6","3","1","4","4","1") = "5"
    & skf21("3","4","6","3","1","4","5","1") = "5"
    & skf21("3","4","6","3","1","4","6","1") = "5"
    & skf21("3","4","6","3","1","4","7","1") = "6"
    & skf21("3","4","6","3","1","5","1","1") = "5"
    & skf21("3","4","6","3","1","5","2","1") = "5"
    & skf21("3","4","6","3","1","5","3","1") = "5"
    & skf21("3","4","6","3","1","5","4","1") = "5"
    & skf21("3","4","6","3","1","5","5","1") = "5"
    & skf21("3","4","6","3","1","5","6","1") = "5"
    & skf21("3","4","6","3","1","5","7","1") = "6"
    & skf21("3","4","6","3","1","6","1","1") = "5"
    & skf21("3","4","6","3","1","6","2","1") = "5"
    & skf21("3","4","6","3","1","6","3","1") = "5"
    & skf21("3","4","6","3","1","6","4","1") = "5"
    & skf21("3","4","6","3","1","6","5","1") = "5"
    & skf21("3","4","6","3","1","6","6","1") = "5"
    & skf21("3","4","6","3","1","6","7","1") = "6"
    & skf21("3","4","6","3","1","7","1","1") = "6"
    & skf21("3","4","6","3","1","7","2","1") = "6"
    & skf21("3","4","6","3","1","7","3","1") = "6"
    & skf21("3","4","6","3","1","7","4","1") = "6"
    & skf21("3","4","6","3","1","7","5","1") = "6"
    & skf21("3","4","6","3","1","7","6","1") = "6"
    & skf21("3","4","6","3","1","7","7","1") = "6"
    & skf21("3","4","6","3","2","1","1","1") = "5"
    & skf21("3","4","6","3","2","1","2","1") = "5"
    & skf21("3","4","6","3","2","1","3","1") = "5"
    & skf21("3","4","6","3","2","1","4","1") = "5"
    & skf21("3","4","6","3","2","1","5","1") = "5"
    & skf21("3","4","6","3","2","1","6","1") = "5"
    & skf21("3","4","6","3","2","1","7","1") = "6"
    & skf21("3","4","6","3","2","2","1","1") = "5"
    & skf21("3","4","6","3","2","2","2","1") = "5"
    & skf21("3","4","6","3","2","2","3","1") = "5"
    & skf21("3","4","6","3","2","2","4","1") = "5"
    & skf21("3","4","6","3","2","2","5","1") = "5"
    & skf21("3","4","6","3","2","2","6","1") = "5"
    & skf21("3","4","6","3","2","2","7","1") = "6"
    & skf21("3","4","6","3","2","3","1","1") = "5"
    & skf21("3","4","6","3","2","3","2","1") = "5"
    & skf21("3","4","6","3","2","3","3","1") = "5"
    & skf21("3","4","6","3","2","3","4","1") = "5"
    & skf21("3","4","6","3","2","3","5","1") = "5"
    & skf21("3","4","6","3","2","3","6","1") = "5"
    & skf21("3","4","6","3","2","3","7","1") = "6"
    & skf21("3","4","6","3","2","4","1","1") = "5"
    & skf21("3","4","6","3","2","4","2","1") = "5"
    & skf21("3","4","6","3","2","4","3","1") = "5"
    & skf21("3","4","6","3","2","4","4","1") = "5"
    & skf21("3","4","6","3","2","4","5","1") = "5"
    & skf21("3","4","6","3","2","4","6","1") = "5"
    & skf21("3","4","6","3","2","4","7","1") = "6"
    & skf21("3","4","6","3","2","5","1","1") = "5"
    & skf21("3","4","6","3","2","5","2","1") = "5"
    & skf21("3","4","6","3","2","5","3","1") = "5"
    & skf21("3","4","6","3","2","5","4","1") = "5"
    & skf21("3","4","6","3","2","5","5","1") = "5"
    & skf21("3","4","6","3","2","5","6","1") = "5"
    & skf21("3","4","6","3","2","5","7","1") = "6"
    & skf21("3","4","6","3","2","6","1","1") = "5"
    & skf21("3","4","6","3","2","6","2","1") = "5"
    & skf21("3","4","6","3","2","6","3","1") = "5"
    & skf21("3","4","6","3","2","6","4","1") = "5"
    & skf21("3","4","6","3","2","6","5","1") = "5"
    & skf21("3","4","6","3","2","6","6","1") = "5"
    & skf21("3","4","6","3","2","6","7","1") = "6"
    & skf21("3","4","6","3","2","7","1","1") = "6"
    & skf21("3","4","6","3","2","7","2","1") = "6"
    & skf21("3","4","6","3","2","7","3","1") = "6"
    & skf21("3","4","6","3","2","7","4","1") = "6"
    & skf21("3","4","6","3","2","7","5","1") = "6"
    & skf21("3","4","6","3","2","7","6","1") = "6"
    & skf21("3","4","6","3","2","7","7","1") = "6"
    & skf21("3","4","6","3","3","1","1","1") = "5"
    & skf21("3","4","6","3","3","1","2","1") = "5"
    & skf21("3","4","6","3","3","1","3","1") = "5"
    & skf21("3","4","6","3","3","1","4","1") = "5"
    & skf21("3","4","6","3","3","1","5","1") = "5"
    & skf21("3","4","6","3","3","1","6","1") = "5"
    & skf21("3","4","6","3","3","1","7","1") = "6"
    & skf21("3","4","6","3","3","2","1","1") = "5"
    & skf21("3","4","6","3","3","2","2","1") = "5"
    & skf21("3","4","6","3","3","2","3","1") = "5"
    & skf21("3","4","6","3","3","2","4","1") = "5"
    & skf21("3","4","6","3","3","2","5","1") = "5"
    & skf21("3","4","6","3","3","2","6","1") = "5"
    & skf21("3","4","6","3","3","2","7","1") = "6"
    & skf21("3","4","6","3","3","3","1","1") = "5"
    & skf21("3","4","6","3","3","3","2","1") = "5"
    & skf21("3","4","6","3","3","3","3","1") = "5"
    & skf21("3","4","6","3","3","3","4","1") = "5"
    & skf21("3","4","6","3","3","3","5","1") = "5"
    & skf21("3","4","6","3","3","3","6","1") = "5"
    & skf21("3","4","6","3","3","3","7","1") = "6"
    & skf21("3","4","6","3","3","4","1","1") = "5"
    & skf21("3","4","6","3","3","4","2","1") = "5"
    & skf21("3","4","6","3","3","4","3","1") = "5"
    & skf21("3","4","6","3","3","4","4","1") = "5"
    & skf21("3","4","6","3","3","4","5","1") = "5"
    & skf21("3","4","6","3","3","4","6","1") = "5"
    & skf21("3","4","6","3","3","4","7","1") = "6"
    & skf21("3","4","6","3","3","5","1","1") = "5"
    & skf21("3","4","6","3","3","5","2","1") = "5"
    & skf21("3","4","6","3","3","5","3","1") = "5"
    & skf21("3","4","6","3","3","5","4","1") = "5"
    & skf21("3","4","6","3","3","5","5","1") = "5"
    & skf21("3","4","6","3","3","5","6","1") = "5"
    & skf21("3","4","6","3","3","5","7","1") = "6"
    & skf21("3","4","6","3","3","6","1","1") = "5"
    & skf21("3","4","6","3","3","6","2","1") = "5"
    & skf21("3","4","6","3","3","6","3","1") = "5"
    & skf21("3","4","6","3","3","6","4","1") = "5"
    & skf21("3","4","6","3","3","6","5","1") = "5"
    & skf21("3","4","6","3","3","6","6","1") = "5"
    & skf21("3","4","6","3","3","6","7","1") = "6"
    & skf21("3","4","6","3","3","7","1","1") = "6"
    & skf21("3","4","6","3","3","7","2","1") = "6"
    & skf21("3","4","6","3","3","7","3","1") = "6"
    & skf21("3","4","6","3","3","7","4","1") = "6"
    & skf21("3","4","6","3","3","7","5","1") = "6"
    & skf21("3","4","6","3","3","7","6","1") = "6"
    & skf21("3","4","6","3","3","7","7","1") = "6"
    & skf21("3","4","6","3","4","1","1","1") = "5"
    & skf21("3","4","6","3","4","1","2","1") = "5"
    & skf21("3","4","6","3","4","1","3","1") = "5"
    & skf21("3","4","6","3","4","1","4","1") = "5"
    & skf21("3","4","6","3","4","1","5","1") = "5"
    & skf21("3","4","6","3","4","1","6","1") = "5"
    & skf21("3","4","6","3","4","1","7","1") = "6"
    & skf21("3","4","6","3","4","2","1","1") = "5"
    & skf21("3","4","6","3","4","2","2","1") = "5"
    & skf21("3","4","6","3","4","2","3","1") = "5"
    & skf21("3","4","6","3","4","2","4","1") = "5"
    & skf21("3","4","6","3","4","2","5","1") = "5"
    & skf21("3","4","6","3","4","2","6","1") = "5"
    & skf21("3","4","6","3","4","2","7","1") = "6"
    & skf21("3","4","6","3","4","3","1","1") = "5"
    & skf21("3","4","6","3","4","3","2","1") = "5"
    & skf21("3","4","6","3","4","3","3","1") = "5"
    & skf21("3","4","6","3","4","3","4","1") = "5"
    & skf21("3","4","6","3","4","3","5","1") = "5"
    & skf21("3","4","6","3","4","3","6","1") = "5"
    & skf21("3","4","6","3","4","3","7","1") = "6"
    & skf21("3","4","6","3","4","4","1","1") = "5"
    & skf21("3","4","6","3","4","4","2","1") = "5"
    & skf21("3","4","6","3","4","4","3","1") = "5"
    & skf21("3","4","6","3","4","4","4","1") = "5"
    & skf21("3","4","6","3","4","4","5","1") = "5"
    & skf21("3","4","6","3","4","4","6","1") = "5"
    & skf21("3","4","6","3","4","4","7","1") = "6"
    & skf21("3","4","6","3","4","5","1","1") = "5"
    & skf21("3","4","6","3","4","5","2","1") = "5"
    & skf21("3","4","6","3","4","5","3","1") = "5"
    & skf21("3","4","6","3","4","5","4","1") = "5"
    & skf21("3","4","6","3","4","5","5","1") = "5"
    & skf21("3","4","6","3","4","5","6","1") = "5"
    & skf21("3","4","6","3","4","5","7","1") = "6"
    & skf21("3","4","6","3","4","6","1","1") = "5"
    & skf21("3","4","6","3","4","6","2","1") = "5"
    & skf21("3","4","6","3","4","6","3","1") = "5"
    & skf21("3","4","6","3","4","6","4","1") = "5"
    & skf21("3","4","6","3","4","6","5","1") = "5"
    & skf21("3","4","6","3","4","6","6","1") = "5"
    & skf21("3","4","6","3","4","6","7","1") = "6"
    & skf21("3","4","6","3","4","7","1","1") = "6"
    & skf21("3","4","6","3","4","7","2","1") = "6"
    & skf21("3","4","6","3","4","7","3","1") = "6"
    & skf21("3","4","6","3","4","7","4","1") = "6"
    & skf21("3","4","6","3","4","7","5","1") = "6"
    & skf21("3","4","6","3","4","7","6","1") = "6"
    & skf21("3","4","6","3","4","7","7","1") = "6"
    & skf21("3","4","6","3","5","1","1","1") = "5"
    & skf21("3","4","6","3","5","1","2","1") = "5"
    & skf21("3","4","6","3","5","1","3","1") = "5"
    & skf21("3","4","6","3","5","1","4","1") = "5"
    & skf21("3","4","6","3","5","1","5","1") = "5"
    & skf21("3","4","6","3","5","1","6","1") = "5"
    & skf21("3","4","6","3","5","1","7","1") = "6"
    & skf21("3","4","6","3","5","2","1","1") = "5"
    & skf21("3","4","6","3","5","2","2","1") = "5"
    & skf21("3","4","6","3","5","2","3","1") = "5"
    & skf21("3","4","6","3","5","2","4","1") = "5"
    & skf21("3","4","6","3","5","2","5","1") = "5"
    & skf21("3","4","6","3","5","2","6","1") = "5"
    & skf21("3","4","6","3","5","2","7","1") = "6"
    & skf21("3","4","6","3","5","3","1","1") = "5"
    & skf21("3","4","6","3","5","3","2","1") = "5"
    & skf21("3","4","6","3","5","3","3","1") = "5"
    & skf21("3","4","6","3","5","3","4","1") = "5"
    & skf21("3","4","6","3","5","3","5","1") = "5"
    & skf21("3","4","6","3","5","3","6","1") = "5"
    & skf21("3","4","6","3","5","3","7","1") = "6"
    & skf21("3","4","6","3","5","4","1","1") = "5"
    & skf21("3","4","6","3","5","4","2","1") = "5"
    & skf21("3","4","6","3","5","4","3","1") = "5"
    & skf21("3","4","6","3","5","4","4","1") = "5"
    & skf21("3","4","6","3","5","4","5","1") = "5"
    & skf21("3","4","6","3","5","4","6","1") = "5"
    & skf21("3","4","6","3","5","4","7","1") = "6"
    & skf21("3","4","6","3","5","5","1","1") = "5"
    & skf21("3","4","6","3","5","5","2","1") = "5"
    & skf21("3","4","6","3","5","5","3","1") = "5"
    & skf21("3","4","6","3","5","5","4","1") = "5"
    & skf21("3","4","6","3","5","5","5","1") = "5"
    & skf21("3","4","6","3","5","5","6","1") = "5"
    & skf21("3","4","6","3","5","5","7","1") = "6"
    & skf21("3","4","6","3","5","6","1","1") = "5"
    & skf21("3","4","6","3","5","6","2","1") = "5"
    & skf21("3","4","6","3","5","6","3","1") = "5"
    & skf21("3","4","6","3","5","6","4","1") = "5"
    & skf21("3","4","6","3","5","6","5","1") = "5"
    & skf21("3","4","6","3","5","6","6","1") = "5"
    & skf21("3","4","6","3","5","6","7","1") = "6"
    & skf21("3","4","6","3","5","7","1","1") = "6"
    & skf21("3","4","6","3","5","7","2","1") = "6"
    & skf21("3","4","6","3","5","7","3","1") = "6"
    & skf21("3","4","6","3","5","7","4","1") = "6"
    & skf21("3","4","6","3","5","7","5","1") = "6"
    & skf21("3","4","6","3","5","7","6","1") = "6"
    & skf21("3","4","6","3","5","7","7","1") = "6"
    & skf21("3","4","6","3","6","1","1","1") = "5"
    & skf21("3","4","6","3","6","1","2","1") = "5"
    & skf21("3","4","6","3","6","1","3","1") = "5"
    & skf21("3","4","6","3","6","1","4","1") = "5"
    & skf21("3","4","6","3","6","1","5","1") = "5"
    & skf21("3","4","6","3","6","1","6","1") = "5"
    & skf21("3","4","6","3","6","1","7","1") = "6"
    & skf21("3","4","6","3","6","2","1","1") = "5"
    & skf21("3","4","6","3","6","2","2","1") = "5"
    & skf21("3","4","6","3","6","2","3","1") = "5"
    & skf21("3","4","6","3","6","2","4","1") = "5"
    & skf21("3","4","6","3","6","2","5","1") = "5"
    & skf21("3","4","6","3","6","2","6","1") = "5"
    & skf21("3","4","6","3","6","2","7","1") = "6"
    & skf21("3","4","6","3","6","3","1","1") = "5"
    & skf21("3","4","6","3","6","3","2","1") = "5"
    & skf21("3","4","6","3","6","3","3","1") = "5"
    & skf21("3","4","6","3","6","3","4","1") = "5"
    & skf21("3","4","6","3","6","3","5","1") = "5"
    & skf21("3","4","6","3","6","3","6","1") = "5"
    & skf21("3","4","6","3","6","3","7","1") = "6"
    & skf21("3","4","6","3","6","4","1","1") = "5"
    & skf21("3","4","6","3","6","4","2","1") = "5"
    & skf21("3","4","6","3","6","4","3","1") = "5"
    & skf21("3","4","6","3","6","4","4","1") = "5"
    & skf21("3","4","6","3","6","4","5","1") = "5"
    & skf21("3","4","6","3","6","4","6","1") = "5"
    & skf21("3","4","6","3","6","4","7","1") = "6"
    & skf21("3","4","6","3","6","5","1","1") = "5"
    & skf21("3","4","6","3","6","5","2","1") = "5"
    & skf21("3","4","6","3","6","5","3","1") = "5"
    & skf21("3","4","6","3","6","5","4","1") = "5"
    & skf21("3","4","6","3","6","5","5","1") = "5"
    & skf21("3","4","6","3","6","5","6","1") = "5"
    & skf21("3","4","6","3","6","5","7","1") = "6"
    & skf21("3","4","6","3","6","6","1","1") = "5"
    & skf21("3","4","6","3","6","6","2","1") = "5"
    & skf21("3","4","6","3","6","6","3","1") = "5"
    & skf21("3","4","6","3","6","6","4","1") = "5"
    & skf21("3","4","6","3","6","6","5","1") = "5"
    & skf21("3","4","6","3","6","6","6","1") = "5"
    & skf21("3","4","6","3","6","6","7","1") = "6"
    & skf21("3","4","6","3","6","7","1","1") = "6"
    & skf21("3","4","6","3","6","7","2","1") = "6"
    & skf21("3","4","6","3","6","7","3","1") = "6"
    & skf21("3","4","6","3","6","7","4","1") = "6"
    & skf21("3","4","6","3","6","7","5","1") = "6"
    & skf21("3","4","6","3","6","7","6","1") = "6"
    & skf21("3","4","6","3","6","7","7","1") = "6"
    & skf21("3","4","6","3","7","1","1","1") = "6"
    & skf21("3","4","6","3","7","1","2","1") = "6"
    & skf21("3","4","6","3","7","1","3","1") = "6"
    & skf21("3","4","6","3","7","1","4","1") = "6"
    & skf21("3","4","6","3","7","1","5","1") = "6"
    & skf21("3","4","6","3","7","1","6","1") = "6"
    & skf21("3","4","6","3","7","1","7","1") = "6"
    & skf21("3","4","6","3","7","2","1","1") = "6"
    & skf21("3","4","6","3","7","2","2","1") = "6"
    & skf21("3","4","6","3","7","2","3","1") = "6"
    & skf21("3","4","6","3","7","2","4","1") = "6"
    & skf21("3","4","6","3","7","2","5","1") = "6"
    & skf21("3","4","6","3","7","2","6","1") = "6"
    & skf21("3","4","6","3","7","2","7","1") = "6"
    & skf21("3","4","6","3","7","3","1","1") = "6"
    & skf21("3","4","6","3","7","3","2","1") = "6"
    & skf21("3","4","6","3","7","3","3","1") = "6"
    & skf21("3","4","6","3","7","3","4","1") = "6"
    & skf21("3","4","6","3","7","3","5","1") = "6"
    & skf21("3","4","6","3","7","3","6","1") = "6"
    & skf21("3","4","6","3","7","3","7","1") = "6"
    & skf21("3","4","6","3","7","4","1","1") = "6"
    & skf21("3","4","6","3","7","4","2","1") = "6"
    & skf21("3","4","6","3","7","4","3","1") = "6"
    & skf21("3","4","6","3","7","4","4","1") = "6"
    & skf21("3","4","6","3","7","4","5","1") = "6"
    & skf21("3","4","6","3","7","4","6","1") = "6"
    & skf21("3","4","6","3","7","4","7","1") = "6"
    & skf21("3","4","6","3","7","5","1","1") = "6"
    & skf21("3","4","6","3","7","5","2","1") = "6"
    & skf21("3","4","6","3","7","5","3","1") = "6"
    & skf21("3","4","6","3","7","5","4","1") = "6"
    & skf21("3","4","6","3","7","5","5","1") = "6"
    & skf21("3","4","6","3","7","5","6","1") = "6"
    & skf21("3","4","6","3","7","5","7","1") = "6"
    & skf21("3","4","6","3","7","6","1","1") = "6"
    & skf21("3","4","6","3","7","6","2","1") = "6"
    & skf21("3","4","6","3","7","6","3","1") = "6"
    & skf21("3","4","6","3","7","6","4","1") = "6"
    & skf21("3","4","6","3","7","6","5","1") = "6"
    & skf21("3","4","6","3","7","6","6","1") = "6"
    & skf21("3","4","6","3","7","6","7","1") = "6"
    & skf21("3","4","6","3","7","7","1","1") = "6"
    & skf21("3","4","6","3","7","7","2","1") = "6"
    & skf21("3","4","6","3","7","7","3","1") = "6"
    & skf21("3","4","6","3","7","7","4","1") = "6"
    & skf21("3","4","6","3","7","7","5","1") = "6"
    & skf21("3","4","6","3","7","7","6","1") = "6"
    & skf21("3","4","6","3","7","7","7","1") = "6"
    & skf21("3","4","6","4","1","1","1","1") = "5"
    & skf21("3","4","6","4","1","1","2","1") = "5"
    & skf21("3","4","6","4","1","1","3","1") = "5"
    & skf21("3","4","6","4","1","1","4","1") = "5"
    & skf21("3","4","6","4","1","1","5","1") = "5"
    & skf21("3","4","6","4","1","1","6","1") = "5"
    & skf21("3","4","6","4","1","1","7","1") = "6"
    & skf21("3","4","6","4","1","2","1","1") = "5"
    & skf21("3","4","6","4","1","2","2","1") = "5"
    & skf21("3","4","6","4","1","2","3","1") = "5"
    & skf21("3","4","6","4","1","2","4","1") = "5"
    & skf21("3","4","6","4","1","2","5","1") = "5"
    & skf21("3","4","6","4","1","2","6","1") = "5"
    & skf21("3","4","6","4","1","2","7","1") = "6"
    & skf21("3","4","6","4","1","3","1","1") = "5"
    & skf21("3","4","6","4","1","3","2","1") = "5"
    & skf21("3","4","6","4","1","3","3","1") = "5"
    & skf21("3","4","6","4","1","3","4","1") = "5"
    & skf21("3","4","6","4","1","3","5","1") = "5"
    & skf21("3","4","6","4","1","3","6","1") = "5"
    & skf21("3","4","6","4","1","3","7","1") = "6"
    & skf21("3","4","6","4","1","4","1","1") = "5"
    & skf21("3","4","6","4","1","4","2","1") = "5"
    & skf21("3","4","6","4","1","4","3","1") = "5"
    & skf21("3","4","6","4","1","4","4","1") = "5"
    & skf21("3","4","6","4","1","4","5","1") = "5"
    & skf21("3","4","6","4","1","4","6","1") = "5"
    & skf21("3","4","6","4","1","4","7","1") = "6"
    & skf21("3","4","6","4","1","5","1","1") = "5"
    & skf21("3","4","6","4","1","5","2","1") = "5"
    & skf21("3","4","6","4","1","5","3","1") = "5"
    & skf21("3","4","6","4","1","5","4","1") = "5"
    & skf21("3","4","6","4","1","5","5","1") = "5"
    & skf21("3","4","6","4","1","5","6","1") = "5"
    & skf21("3","4","6","4","1","5","7","1") = "6"
    & skf21("3","4","6","4","1","6","1","1") = "5"
    & skf21("3","4","6","4","1","6","2","1") = "5"
    & skf21("3","4","6","4","1","6","3","1") = "5"
    & skf21("3","4","6","4","1","6","4","1") = "5"
    & skf21("3","4","6","4","1","6","5","1") = "5"
    & skf21("3","4","6","4","1","6","6","1") = "5"
    & skf21("3","4","6","4","1","6","7","1") = "6"
    & skf21("3","4","6","4","1","7","1","1") = "6"
    & skf21("3","4","6","4","1","7","2","1") = "6"
    & skf21("3","4","6","4","1","7","3","1") = "6"
    & skf21("3","4","6","4","1","7","4","1") = "6"
    & skf21("3","4","6","4","1","7","5","1") = "6"
    & skf21("3","4","6","4","1","7","6","1") = "6"
    & skf21("3","4","6","4","1","7","7","1") = "6"
    & skf21("3","4","6","4","2","1","1","1") = "5"
    & skf21("3","4","6","4","2","1","2","1") = "5"
    & skf21("3","4","6","4","2","1","3","1") = "5"
    & skf21("3","4","6","4","2","1","4","1") = "5"
    & skf21("3","4","6","4","2","1","5","1") = "5"
    & skf21("3","4","6","4","2","1","6","1") = "5"
    & skf21("3","4","6","4","2","1","7","1") = "6"
    & skf21("3","4","6","4","2","2","1","1") = "5"
    & skf21("3","4","6","4","2","2","2","1") = "5"
    & skf21("3","4","6","4","2","2","3","1") = "5"
    & skf21("3","4","6","4","2","2","4","1") = "5"
    & skf21("3","4","6","4","2","2","5","1") = "5"
    & skf21("3","4","6","4","2","2","6","1") = "5"
    & skf21("3","4","6","4","2","2","7","1") = "6"
    & skf21("3","4","6","4","2","3","1","1") = "5"
    & skf21("3","4","6","4","2","3","2","1") = "5"
    & skf21("3","4","6","4","2","3","3","1") = "5"
    & skf21("3","4","6","4","2","3","4","1") = "5"
    & skf21("3","4","6","4","2","3","5","1") = "5"
    & skf21("3","4","6","4","2","3","6","1") = "5"
    & skf21("3","4","6","4","2","3","7","1") = "6"
    & skf21("3","4","6","4","2","4","1","1") = "5"
    & skf21("3","4","6","4","2","4","2","1") = "5"
    & skf21("3","4","6","4","2","4","3","1") = "5"
    & skf21("3","4","6","4","2","4","4","1") = "5"
    & skf21("3","4","6","4","2","4","5","1") = "5"
    & skf21("3","4","6","4","2","4","6","1") = "5"
    & skf21("3","4","6","4","2","4","7","1") = "6"
    & skf21("3","4","6","4","2","5","1","1") = "5"
    & skf21("3","4","6","4","2","5","2","1") = "5"
    & skf21("3","4","6","4","2","5","3","1") = "5"
    & skf21("3","4","6","4","2","5","4","1") = "5"
    & skf21("3","4","6","4","2","5","5","1") = "5"
    & skf21("3","4","6","4","2","5","6","1") = "5"
    & skf21("3","4","6","4","2","5","7","1") = "6"
    & skf21("3","4","6","4","2","6","1","1") = "5"
    & skf21("3","4","6","4","2","6","2","1") = "5"
    & skf21("3","4","6","4","2","6","3","1") = "5"
    & skf21("3","4","6","4","2","6","4","1") = "5"
    & skf21("3","4","6","4","2","6","5","1") = "5"
    & skf21("3","4","6","4","2","6","6","1") = "5"
    & skf21("3","4","6","4","2","6","7","1") = "6"
    & skf21("3","4","6","4","2","7","1","1") = "6"
    & skf21("3","4","6","4","2","7","2","1") = "6"
    & skf21("3","4","6","4","2","7","3","1") = "6"
    & skf21("3","4","6","4","2","7","4","1") = "6"
    & skf21("3","4","6","4","2","7","5","1") = "6"
    & skf21("3","4","6","4","2","7","6","1") = "6"
    & skf21("3","4","6","4","2","7","7","1") = "6"
    & skf21("3","4","6","4","3","1","1","1") = "5"
    & skf21("3","4","6","4","3","1","2","1") = "5"
    & skf21("3","4","6","4","3","1","3","1") = "5"
    & skf21("3","4","6","4","3","1","4","1") = "5"
    & skf21("3","4","6","4","3","1","5","1") = "5"
    & skf21("3","4","6","4","3","1","6","1") = "5"
    & skf21("3","4","6","4","3","1","7","1") = "6"
    & skf21("3","4","6","4","3","2","1","1") = "5"
    & skf21("3","4","6","4","3","2","2","1") = "5"
    & skf21("3","4","6","4","3","2","3","1") = "5"
    & skf21("3","4","6","4","3","2","4","1") = "5"
    & skf21("3","4","6","4","3","2","5","1") = "5"
    & skf21("3","4","6","4","3","2","6","1") = "5"
    & skf21("3","4","6","4","3","2","7","1") = "6"
    & skf21("3","4","6","4","3","3","1","1") = "5"
    & skf21("3","4","6","4","3","3","2","1") = "5"
    & skf21("3","4","6","4","3","3","3","1") = "5"
    & skf21("3","4","6","4","3","3","4","1") = "5"
    & skf21("3","4","6","4","3","3","5","1") = "5"
    & skf21("3","4","6","4","3","3","6","1") = "5"
    & skf21("3","4","6","4","3","3","7","1") = "6"
    & skf21("3","4","6","4","3","4","1","1") = "5"
    & skf21("3","4","6","4","3","4","2","1") = "5"
    & skf21("3","4","6","4","3","4","3","1") = "5"
    & skf21("3","4","6","4","3","4","4","1") = "5"
    & skf21("3","4","6","4","3","4","5","1") = "5"
    & skf21("3","4","6","4","3","4","6","1") = "5"
    & skf21("3","4","6","4","3","4","7","1") = "6"
    & skf21("3","4","6","4","3","5","1","1") = "5"
    & skf21("3","4","6","4","3","5","2","1") = "5"
    & skf21("3","4","6","4","3","5","3","1") = "5"
    & skf21("3","4","6","4","3","5","4","1") = "5"
    & skf21("3","4","6","4","3","5","5","1") = "5"
    & skf21("3","4","6","4","3","5","6","1") = "5"
    & skf21("3","4","6","4","3","5","7","1") = "6"
    & skf21("3","4","6","4","3","6","1","1") = "5"
    & skf21("3","4","6","4","3","6","2","1") = "5"
    & skf21("3","4","6","4","3","6","3","1") = "5"
    & skf21("3","4","6","4","3","6","4","1") = "5"
    & skf21("3","4","6","4","3","6","5","1") = "5"
    & skf21("3","4","6","4","3","6","6","1") = "5"
    & skf21("3","4","6","4","3","6","7","1") = "6"
    & skf21("3","4","6","4","3","7","1","1") = "6"
    & skf21("3","4","6","4","3","7","2","1") = "6"
    & skf21("3","4","6","4","3","7","3","1") = "6"
    & skf21("3","4","6","4","3","7","4","1") = "6"
    & skf21("3","4","6","4","3","7","5","1") = "6"
    & skf21("3","4","6","4","3","7","6","1") = "6"
    & skf21("3","4","6","4","3","7","7","1") = "6"
    & skf21("3","4","6","4","4","1","1","1") = "5"
    & skf21("3","4","6","4","4","1","2","1") = "5"
    & skf21("3","4","6","4","4","1","3","1") = "5"
    & skf21("3","4","6","4","4","1","4","1") = "5"
    & skf21("3","4","6","4","4","1","5","1") = "5"
    & skf21("3","4","6","4","4","1","6","1") = "5"
    & skf21("3","4","6","4","4","1","7","1") = "6"
    & skf21("3","4","6","4","4","2","1","1") = "5"
    & skf21("3","4","6","4","4","2","2","1") = "5"
    & skf21("3","4","6","4","4","2","3","1") = "5"
    & skf21("3","4","6","4","4","2","4","1") = "5"
    & skf21("3","4","6","4","4","2","5","1") = "5"
    & skf21("3","4","6","4","4","2","6","1") = "5"
    & skf21("3","4","6","4","4","2","7","1") = "6"
    & skf21("3","4","6","4","4","3","1","1") = "5"
    & skf21("3","4","6","4","4","3","2","1") = "5"
    & skf21("3","4","6","4","4","3","3","1") = "5"
    & skf21("3","4","6","4","4","3","4","1") = "5"
    & skf21("3","4","6","4","4","3","5","1") = "5"
    & skf21("3","4","6","4","4","3","6","1") = "5"
    & skf21("3","4","6","4","4","3","7","1") = "6"
    & skf21("3","4","6","4","4","4","1","1") = "5"
    & skf21("3","4","6","4","4","4","2","1") = "5"
    & skf21("3","4","6","4","4","4","3","1") = "5"
    & skf21("3","4","6","4","4","4","4","1") = "5"
    & skf21("3","4","6","4","4","4","5","1") = "5"
    & skf21("3","4","6","4","4","4","6","1") = "5"
    & skf21("3","4","6","4","4","4","7","1") = "6"
    & skf21("3","4","6","4","4","5","1","1") = "5"
    & skf21("3","4","6","4","4","5","2","1") = "5"
    & skf21("3","4","6","4","4","5","3","1") = "5"
    & skf21("3","4","6","4","4","5","4","1") = "5"
    & skf21("3","4","6","4","4","5","5","1") = "5"
    & skf21("3","4","6","4","4","5","6","1") = "5"
    & skf21("3","4","6","4","4","5","7","1") = "6"
    & skf21("3","4","6","4","4","6","1","1") = "5"
    & skf21("3","4","6","4","4","6","2","1") = "5"
    & skf21("3","4","6","4","4","6","3","1") = "5"
    & skf21("3","4","6","4","4","6","4","1") = "5"
    & skf21("3","4","6","4","4","6","5","1") = "5"
    & skf21("3","4","6","4","4","6","6","1") = "5"
    & skf21("3","4","6","4","4","6","7","1") = "6"
    & skf21("3","4","6","4","4","7","1","1") = "6"
    & skf21("3","4","6","4","4","7","2","1") = "6"
    & skf21("3","4","6","4","4","7","3","1") = "6"
    & skf21("3","4","6","4","4","7","4","1") = "6"
    & skf21("3","4","6","4","4","7","5","1") = "6"
    & skf21("3","4","6","4","4","7","6","1") = "6"
    & skf21("3","4","6","4","4","7","7","1") = "6"
    & skf21("3","4","6","4","5","1","1","1") = "5"
    & skf21("3","4","6","4","5","1","2","1") = "5"
    & skf21("3","4","6","4","5","1","3","1") = "5"
    & skf21("3","4","6","4","5","1","4","1") = "5"
    & skf21("3","4","6","4","5","1","5","1") = "5"
    & skf21("3","4","6","4","5","1","6","1") = "5"
    & skf21("3","4","6","4","5","1","7","1") = "6"
    & skf21("3","4","6","4","5","2","1","1") = "5"
    & skf21("3","4","6","4","5","2","2","1") = "5"
    & skf21("3","4","6","4","5","2","3","1") = "5"
    & skf21("3","4","6","4","5","2","4","1") = "5"
    & skf21("3","4","6","4","5","2","5","1") = "5"
    & skf21("3","4","6","4","5","2","6","1") = "5"
    & skf21("3","4","6","4","5","2","7","1") = "6"
    & skf21("3","4","6","4","5","3","1","1") = "5"
    & skf21("3","4","6","4","5","3","2","1") = "5"
    & skf21("3","4","6","4","5","3","3","1") = "5"
    & skf21("3","4","6","4","5","3","4","1") = "5"
    & skf21("3","4","6","4","5","3","5","1") = "5"
    & skf21("3","4","6","4","5","3","6","1") = "5"
    & skf21("3","4","6","4","5","3","7","1") = "6"
    & skf21("3","4","6","4","5","4","1","1") = "5"
    & skf21("3","4","6","4","5","4","2","1") = "5"
    & skf21("3","4","6","4","5","4","3","1") = "5"
    & skf21("3","4","6","4","5","4","4","1") = "5"
    & skf21("3","4","6","4","5","4","5","1") = "5"
    & skf21("3","4","6","4","5","4","6","1") = "5"
    & skf21("3","4","6","4","5","4","7","1") = "6"
    & skf21("3","4","6","4","5","5","1","1") = "5"
    & skf21("3","4","6","4","5","5","2","1") = "5"
    & skf21("3","4","6","4","5","5","3","1") = "5"
    & skf21("3","4","6","4","5","5","4","1") = "5"
    & skf21("3","4","6","4","5","5","5","1") = "5"
    & skf21("3","4","6","4","5","5","6","1") = "5"
    & skf21("3","4","6","4","5","5","7","1") = "6"
    & skf21("3","4","6","4","5","6","1","1") = "5"
    & skf21("3","4","6","4","5","6","2","1") = "5"
    & skf21("3","4","6","4","5","6","3","1") = "5"
    & skf21("3","4","6","4","5","6","4","1") = "5"
    & skf21("3","4","6","4","5","6","5","1") = "5"
    & skf21("3","4","6","4","5","6","6","1") = "5"
    & skf21("3","4","6","4","5","6","7","1") = "6"
    & skf21("3","4","6","4","5","7","1","1") = "6"
    & skf21("3","4","6","4","5","7","2","1") = "6"
    & skf21("3","4","6","4","5","7","3","1") = "6"
    & skf21("3","4","6","4","5","7","4","1") = "6"
    & skf21("3","4","6","4","5","7","5","1") = "6"
    & skf21("3","4","6","4","5","7","6","1") = "6"
    & skf21("3","4","6","4","5","7","7","1") = "6"
    & skf21("3","4","6","4","6","1","1","1") = "5"
    & skf21("3","4","6","4","6","1","2","1") = "5"
    & skf21("3","4","6","4","6","1","3","1") = "5"
    & skf21("3","4","6","4","6","1","4","1") = "5"
    & skf21("3","4","6","4","6","1","5","1") = "5"
    & skf21("3","4","6","4","6","1","6","1") = "5"
    & skf21("3","4","6","4","6","1","7","1") = "6"
    & skf21("3","4","6","4","6","2","1","1") = "5"
    & skf21("3","4","6","4","6","2","2","1") = "5"
    & skf21("3","4","6","4","6","2","3","1") = "5"
    & skf21("3","4","6","4","6","2","4","1") = "5"
    & skf21("3","4","6","4","6","2","5","1") = "5"
    & skf21("3","4","6","4","6","2","6","1") = "5"
    & skf21("3","4","6","4","6","2","7","1") = "6"
    & skf21("3","4","6","4","6","3","1","1") = "5"
    & skf21("3","4","6","4","6","3","2","1") = "5"
    & skf21("3","4","6","4","6","3","3","1") = "5"
    & skf21("3","4","6","4","6","3","4","1") = "5"
    & skf21("3","4","6","4","6","3","5","1") = "5"
    & skf21("3","4","6","4","6","3","6","1") = "5"
    & skf21("3","4","6","4","6","3","7","1") = "6"
    & skf21("3","4","6","4","6","4","1","1") = "5"
    & skf21("3","4","6","4","6","4","2","1") = "5"
    & skf21("3","4","6","4","6","4","3","1") = "5"
    & skf21("3","4","6","4","6","4","4","1") = "5"
    & skf21("3","4","6","4","6","4","5","1") = "5"
    & skf21("3","4","6","4","6","4","6","1") = "5"
    & skf21("3","4","6","4","6","4","7","1") = "6"
    & skf21("3","4","6","4","6","5","1","1") = "5"
    & skf21("3","4","6","4","6","5","2","1") = "5"
    & skf21("3","4","6","4","6","5","3","1") = "5"
    & skf21("3","4","6","4","6","5","4","1") = "5"
    & skf21("3","4","6","4","6","5","5","1") = "5"
    & skf21("3","4","6","4","6","5","6","1") = "5"
    & skf21("3","4","6","4","6","5","7","1") = "6"
    & skf21("3","4","6","4","6","6","1","1") = "5"
    & skf21("3","4","6","4","6","6","2","1") = "5"
    & skf21("3","4","6","4","6","6","3","1") = "5"
    & skf21("3","4","6","4","6","6","4","1") = "5"
    & skf21("3","4","6","4","6","6","5","1") = "5"
    & skf21("3","4","6","4","6","6","6","1") = "5"
    & skf21("3","4","6","4","6","6","7","1") = "6"
    & skf21("3","4","6","4","6","7","1","1") = "6"
    & skf21("3","4","6","4","6","7","2","1") = "6"
    & skf21("3","4","6","4","6","7","3","1") = "6"
    & skf21("3","4","6","4","6","7","4","1") = "6"
    & skf21("3","4","6","4","6","7","5","1") = "6"
    & skf21("3","4","6","4","6","7","6","1") = "6"
    & skf21("3","4","6","4","6","7","7","1") = "6"
    & skf21("3","4","6","4","7","1","1","1") = "6"
    & skf21("3","4","6","4","7","1","2","1") = "6"
    & skf21("3","4","6","4","7","1","3","1") = "6"
    & skf21("3","4","6","4","7","1","4","1") = "6"
    & skf21("3","4","6","4","7","1","5","1") = "6"
    & skf21("3","4","6","4","7","1","6","1") = "6"
    & skf21("3","4","6","4","7","1","7","1") = "6"
    & skf21("3","4","6","4","7","2","1","1") = "6"
    & skf21("3","4","6","4","7","2","2","1") = "6"
    & skf21("3","4","6","4","7","2","3","1") = "6"
    & skf21("3","4","6","4","7","2","4","1") = "6"
    & skf21("3","4","6","4","7","2","5","1") = "6"
    & skf21("3","4","6","4","7","2","6","1") = "6"
    & skf21("3","4","6","4","7","2","7","1") = "6"
    & skf21("3","4","6","4","7","3","1","1") = "6"
    & skf21("3","4","6","4","7","3","2","1") = "6"
    & skf21("3","4","6","4","7","3","3","1") = "6"
    & skf21("3","4","6","4","7","3","4","1") = "6"
    & skf21("3","4","6","4","7","3","5","1") = "6"
    & skf21("3","4","6","4","7","3","6","1") = "6"
    & skf21("3","4","6","4","7","3","7","1") = "6"
    & skf21("3","4","6","4","7","4","1","1") = "6"
    & skf21("3","4","6","4","7","4","2","1") = "6"
    & skf21("3","4","6","4","7","4","3","1") = "6"
    & skf21("3","4","6","4","7","4","4","1") = "6"
    & skf21("3","4","6","4","7","4","5","1") = "6"
    & skf21("3","4","6","4","7","4","6","1") = "6"
    & skf21("3","4","6","4","7","4","7","1") = "6"
    & skf21("3","4","6","4","7","5","1","1") = "6"
    & skf21("3","4","6","4","7","5","2","1") = "6"
    & skf21("3","4","6","4","7","5","3","1") = "6"
    & skf21("3","4","6","4","7","5","4","1") = "6"
    & skf21("3","4","6","4","7","5","5","1") = "6"
    & skf21("3","4","6","4","7","5","6","1") = "6"
    & skf21("3","4","6","4","7","5","7","1") = "6"
    & skf21("3","4","6","4","7","6","1","1") = "6"
    & skf21("3","4","6","4","7","6","2","1") = "6"
    & skf21("3","4","6","4","7","6","3","1") = "6"
    & skf21("3","4","6","4","7","6","4","1") = "6"
    & skf21("3","4","6","4","7","6","5","1") = "6"
    & skf21("3","4","6","4","7","6","6","1") = "6"
    & skf21("3","4","6","4","7","6","7","1") = "6"
    & skf21("3","4","6","4","7","7","1","1") = "6"
    & skf21("3","4","6","4","7","7","2","1") = "6"
    & skf21("3","4","6","4","7","7","3","1") = "6"
    & skf21("3","4","6","4","7","7","4","1") = "6"
    & skf21("3","4","6","4","7","7","5","1") = "6"
    & skf21("3","4","6","4","7","7","6","1") = "6"
    & skf21("3","4","6","4","7","7","7","1") = "6"
    & skf21("3","4","6","5","1","1","1","1") = "5"
    & skf21("3","4","6","5","1","1","2","1") = "5"
    & skf21("3","4","6","5","1","1","3","1") = "5"
    & skf21("3","4","6","5","1","1","4","1") = "5"
    & skf21("3","4","6","5","1","1","5","1") = "5"
    & skf21("3","4","6","5","1","1","6","1") = "5"
    & skf21("3","4","6","5","1","1","7","1") = "6"
    & skf21("3","4","6","5","1","2","1","1") = "5"
    & skf21("3","4","6","5","1","2","2","1") = "5"
    & skf21("3","4","6","5","1","2","3","1") = "5"
    & skf21("3","4","6","5","1","2","4","1") = "5"
    & skf21("3","4","6","5","1","2","5","1") = "5"
    & skf21("3","4","6","5","1","2","6","1") = "5"
    & skf21("3","4","6","5","1","2","7","1") = "6"
    & skf21("3","4","6","5","1","3","1","1") = "5"
    & skf21("3","4","6","5","1","3","2","1") = "5"
    & skf21("3","4","6","5","1","3","3","1") = "5"
    & skf21("3","4","6","5","1","3","4","1") = "5"
    & skf21("3","4","6","5","1","3","5","1") = "5"
    & skf21("3","4","6","5","1","3","6","1") = "5"
    & skf21("3","4","6","5","1","3","7","1") = "6"
    & skf21("3","4","6","5","1","4","1","1") = "5"
    & skf21("3","4","6","5","1","4","2","1") = "5"
    & skf21("3","4","6","5","1","4","3","1") = "5"
    & skf21("3","4","6","5","1","4","4","1") = "5"
    & skf21("3","4","6","5","1","4","5","1") = "5"
    & skf21("3","4","6","5","1","4","6","1") = "5"
    & skf21("3","4","6","5","1","4","7","1") = "6"
    & skf21("3","4","6","5","1","5","1","1") = "5"
    & skf21("3","4","6","5","1","5","2","1") = "5"
    & skf21("3","4","6","5","1","5","3","1") = "5"
    & skf21("3","4","6","5","1","5","4","1") = "5"
    & skf21("3","4","6","5","1","5","5","1") = "5"
    & skf21("3","4","6","5","1","5","6","1") = "5"
    & skf21("3","4","6","5","1","5","7","1") = "6"
    & skf21("3","4","6","5","1","6","1","1") = "5"
    & skf21("3","4","6","5","1","6","2","1") = "5"
    & skf21("3","4","6","5","1","6","3","1") = "5"
    & skf21("3","4","6","5","1","6","4","1") = "5"
    & skf21("3","4","6","5","1","6","5","1") = "5"
    & skf21("3","4","6","5","1","6","6","1") = "5"
    & skf21("3","4","6","5","1","6","7","1") = "6"
    & skf21("3","4","6","5","1","7","1","1") = "6"
    & skf21("3","4","6","5","1","7","2","1") = "6"
    & skf21("3","4","6","5","1","7","3","1") = "6"
    & skf21("3","4","6","5","1","7","4","1") = "6"
    & skf21("3","4","6","5","1","7","5","1") = "6"
    & skf21("3","4","6","5","1","7","6","1") = "6"
    & skf21("3","4","6","5","1","7","7","1") = "6"
    & skf21("3","4","6","5","2","1","1","1") = "5"
    & skf21("3","4","6","5","2","1","2","1") = "5"
    & skf21("3","4","6","5","2","1","3","1") = "5"
    & skf21("3","4","6","5","2","1","4","1") = "5"
    & skf21("3","4","6","5","2","1","5","1") = "5"
    & skf21("3","4","6","5","2","1","6","1") = "5"
    & skf21("3","4","6","5","2","1","7","1") = "6"
    & skf21("3","4","6","5","2","2","1","1") = "5"
    & skf21("3","4","6","5","2","2","2","1") = "5"
    & skf21("3","4","6","5","2","2","3","1") = "5"
    & skf21("3","4","6","5","2","2","4","1") = "5"
    & skf21("3","4","6","5","2","2","5","1") = "5"
    & skf21("3","4","6","5","2","2","6","1") = "5"
    & skf21("3","4","6","5","2","2","7","1") = "6"
    & skf21("3","4","6","5","2","3","1","1") = "5"
    & skf21("3","4","6","5","2","3","2","1") = "5"
    & skf21("3","4","6","5","2","3","3","1") = "5"
    & skf21("3","4","6","5","2","3","4","1") = "5"
    & skf21("3","4","6","5","2","3","5","1") = "5"
    & skf21("3","4","6","5","2","3","6","1") = "5"
    & skf21("3","4","6","5","2","3","7","1") = "6"
    & skf21("3","4","6","5","2","4","1","1") = "5"
    & skf21("3","4","6","5","2","4","2","1") = "5"
    & skf21("3","4","6","5","2","4","3","1") = "5"
    & skf21("3","4","6","5","2","4","4","1") = "5"
    & skf21("3","4","6","5","2","4","5","1") = "5"
    & skf21("3","4","6","5","2","4","6","1") = "5"
    & skf21("3","4","6","5","2","4","7","1") = "6"
    & skf21("3","4","6","5","2","5","1","1") = "5"
    & skf21("3","4","6","5","2","5","2","1") = "5"
    & skf21("3","4","6","5","2","5","3","1") = "5"
    & skf21("3","4","6","5","2","5","4","1") = "5"
    & skf21("3","4","6","5","2","5","5","1") = "5"
    & skf21("3","4","6","5","2","5","6","1") = "5"
    & skf21("3","4","6","5","2","5","7","1") = "6"
    & skf21("3","4","6","5","2","6","1","1") = "5"
    & skf21("3","4","6","5","2","6","2","1") = "5"
    & skf21("3","4","6","5","2","6","3","1") = "5"
    & skf21("3","4","6","5","2","6","4","1") = "5"
    & skf21("3","4","6","5","2","6","5","1") = "5"
    & skf21("3","4","6","5","2","6","6","1") = "5"
    & skf21("3","4","6","5","2","6","7","1") = "6"
    & skf21("3","4","6","5","2","7","1","1") = "6"
    & skf21("3","4","6","5","2","7","2","1") = "6"
    & skf21("3","4","6","5","2","7","3","1") = "6"
    & skf21("3","4","6","5","2","7","4","1") = "6"
    & skf21("3","4","6","5","2","7","5","1") = "6"
    & skf21("3","4","6","5","2","7","6","1") = "6"
    & skf21("3","4","6","5","2","7","7","1") = "6"
    & skf21("3","4","6","5","3","1","1","1") = "5"
    & skf21("3","4","6","5","3","1","2","1") = "5"
    & skf21("3","4","6","5","3","1","3","1") = "5"
    & skf21("3","4","6","5","3","1","4","1") = "5"
    & skf21("3","4","6","5","3","1","5","1") = "5"
    & skf21("3","4","6","5","3","1","6","1") = "5"
    & skf21("3","4","6","5","3","1","7","1") = "6"
    & skf21("3","4","6","5","3","2","1","1") = "5"
    & skf21("3","4","6","5","3","2","2","1") = "5"
    & skf21("3","4","6","5","3","2","3","1") = "5"
    & skf21("3","4","6","5","3","2","4","1") = "5"
    & skf21("3","4","6","5","3","2","5","1") = "5"
    & skf21("3","4","6","5","3","2","6","1") = "5"
    & skf21("3","4","6","5","3","2","7","1") = "6"
    & skf21("3","4","6","5","3","3","1","1") = "5"
    & skf21("3","4","6","5","3","3","2","1") = "5"
    & skf21("3","4","6","5","3","3","3","1") = "5"
    & skf21("3","4","6","5","3","3","4","1") = "5"
    & skf21("3","4","6","5","3","3","5","1") = "5"
    & skf21("3","4","6","5","3","3","6","1") = "5"
    & skf21("3","4","6","5","3","3","7","1") = "6"
    & skf21("3","4","6","5","3","4","1","1") = "5"
    & skf21("3","4","6","5","3","4","2","1") = "5"
    & skf21("3","4","6","5","3","4","3","1") = "5"
    & skf21("3","4","6","5","3","4","4","1") = "5"
    & skf21("3","4","6","5","3","4","5","1") = "5"
    & skf21("3","4","6","5","3","4","6","1") = "5"
    & skf21("3","4","6","5","3","4","7","1") = "6"
    & skf21("3","4","6","5","3","5","1","1") = "5"
    & skf21("3","4","6","5","3","5","2","1") = "5"
    & skf21("3","4","6","5","3","5","3","1") = "5"
    & skf21("3","4","6","5","3","5","4","1") = "5"
    & skf21("3","4","6","5","3","5","5","1") = "5"
    & skf21("3","4","6","5","3","5","6","1") = "5"
    & skf21("3","4","6","5","3","5","7","1") = "6"
    & skf21("3","4","6","5","3","6","1","1") = "5"
    & skf21("3","4","6","5","3","6","2","1") = "5"
    & skf21("3","4","6","5","3","6","3","1") = "5"
    & skf21("3","4","6","5","3","6","4","1") = "5"
    & skf21("3","4","6","5","3","6","5","1") = "5"
    & skf21("3","4","6","5","3","6","6","1") = "5"
    & skf21("3","4","6","5","3","6","7","1") = "6"
    & skf21("3","4","6","5","3","7","1","1") = "6"
    & skf21("3","4","6","5","3","7","2","1") = "6"
    & skf21("3","4","6","5","3","7","3","1") = "6"
    & skf21("3","4","6","5","3","7","4","1") = "6"
    & skf21("3","4","6","5","3","7","5","1") = "6"
    & skf21("3","4","6","5","3","7","6","1") = "6"
    & skf21("3","4","6","5","3","7","7","1") = "6"
    & skf21("3","4","6","5","4","1","1","1") = "5"
    & skf21("3","4","6","5","4","1","2","1") = "5"
    & skf21("3","4","6","5","4","1","3","1") = "5"
    & skf21("3","4","6","5","4","1","4","1") = "5"
    & skf21("3","4","6","5","4","1","5","1") = "5"
    & skf21("3","4","6","5","4","1","6","1") = "5"
    & skf21("3","4","6","5","4","1","7","1") = "6"
    & skf21("3","4","6","5","4","2","1","1") = "5"
    & skf21("3","4","6","5","4","2","2","1") = "5"
    & skf21("3","4","6","5","4","2","3","1") = "5"
    & skf21("3","4","6","5","4","2","4","1") = "5"
    & skf21("3","4","6","5","4","2","5","1") = "5"
    & skf21("3","4","6","5","4","2","6","1") = "5"
    & skf21("3","4","6","5","4","2","7","1") = "6"
    & skf21("3","4","6","5","4","3","1","1") = "5"
    & skf21("3","4","6","5","4","3","2","1") = "5"
    & skf21("3","4","6","5","4","3","3","1") = "5"
    & skf21("3","4","6","5","4","3","4","1") = "5"
    & skf21("3","4","6","5","4","3","5","1") = "5"
    & skf21("3","4","6","5","4","3","6","1") = "5"
    & skf21("3","4","6","5","4","3","7","1") = "6"
    & skf21("3","4","6","5","4","4","1","1") = "5"
    & skf21("3","4","6","5","4","4","2","1") = "5"
    & skf21("3","4","6","5","4","4","3","1") = "5"
    & skf21("3","4","6","5","4","4","4","1") = "5"
    & skf21("3","4","6","5","4","4","5","1") = "5"
    & skf21("3","4","6","5","4","4","6","1") = "5"
    & skf21("3","4","6","5","4","4","7","1") = "6"
    & skf21("3","4","6","5","4","5","1","1") = "5"
    & skf21("3","4","6","5","4","5","2","1") = "5"
    & skf21("3","4","6","5","4","5","3","1") = "5"
    & skf21("3","4","6","5","4","5","4","1") = "5"
    & skf21("3","4","6","5","4","5","5","1") = "5"
    & skf21("3","4","6","5","4","5","6","1") = "5"
    & skf21("3","4","6","5","4","5","7","1") = "6"
    & skf21("3","4","6","5","4","6","1","1") = "5"
    & skf21("3","4","6","5","4","6","2","1") = "5"
    & skf21("3","4","6","5","4","6","3","1") = "5"
    & skf21("3","4","6","5","4","6","4","1") = "5"
    & skf21("3","4","6","5","4","6","5","1") = "5"
    & skf21("3","4","6","5","4","6","6","1") = "5"
    & skf21("3","4","6","5","4","6","7","1") = "6"
    & skf21("3","4","6","5","4","7","1","1") = "6"
    & skf21("3","4","6","5","4","7","2","1") = "6"
    & skf21("3","4","6","5","4","7","3","1") = "6"
    & skf21("3","4","6","5","4","7","4","1") = "6"
    & skf21("3","4","6","5","4","7","5","1") = "6"
    & skf21("3","4","6","5","4","7","6","1") = "6"
    & skf21("3","4","6","5","4","7","7","1") = "6"
    & skf21("3","4","6","5","5","1","1","1") = "5"
    & skf21("3","4","6","5","5","1","2","1") = "5"
    & skf21("3","4","6","5","5","1","3","1") = "5"
    & skf21("3","4","6","5","5","1","4","1") = "5"
    & skf21("3","4","6","5","5","1","5","1") = "5"
    & skf21("3","4","6","5","5","1","6","1") = "5"
    & skf21("3","4","6","5","5","1","7","1") = "6"
    & skf21("3","4","6","5","5","2","1","1") = "5"
    & skf21("3","4","6","5","5","2","2","1") = "5"
    & skf21("3","4","6","5","5","2","3","1") = "5"
    & skf21("3","4","6","5","5","2","4","1") = "5"
    & skf21("3","4","6","5","5","2","5","1") = "5"
    & skf21("3","4","6","5","5","2","6","1") = "5"
    & skf21("3","4","6","5","5","2","7","1") = "6"
    & skf21("3","4","6","5","5","3","1","1") = "5"
    & skf21("3","4","6","5","5","3","2","1") = "5"
    & skf21("3","4","6","5","5","3","3","1") = "5"
    & skf21("3","4","6","5","5","3","4","1") = "5"
    & skf21("3","4","6","5","5","3","5","1") = "5"
    & skf21("3","4","6","5","5","3","6","1") = "5"
    & skf21("3","4","6","5","5","3","7","1") = "6"
    & skf21("3","4","6","5","5","4","1","1") = "5"
    & skf21("3","4","6","5","5","4","2","1") = "5"
    & skf21("3","4","6","5","5","4","3","1") = "5"
    & skf21("3","4","6","5","5","4","4","1") = "5"
    & skf21("3","4","6","5","5","4","5","1") = "5"
    & skf21("3","4","6","5","5","4","6","1") = "5"
    & skf21("3","4","6","5","5","4","7","1") = "6"
    & skf21("3","4","6","5","5","5","1","1") = "5"
    & skf21("3","4","6","5","5","5","2","1") = "5"
    & skf21("3","4","6","5","5","5","3","1") = "5"
    & skf21("3","4","6","5","5","5","4","1") = "5"
    & skf21("3","4","6","5","5","5","5","1") = "5"
    & skf21("3","4","6","5","5","5","6","1") = "5"
    & skf21("3","4","6","5","5","5","7","1") = "6"
    & skf21("3","4","6","5","5","6","1","1") = "5"
    & skf21("3","4","6","5","5","6","2","1") = "5"
    & skf21("3","4","6","5","5","6","3","1") = "5"
    & skf21("3","4","6","5","5","6","4","1") = "5"
    & skf21("3","4","6","5","5","6","5","1") = "5"
    & skf21("3","4","6","5","5","6","6","1") = "5"
    & skf21("3","4","6","5","5","6","7","1") = "6"
    & skf21("3","4","6","5","5","7","1","1") = "6"
    & skf21("3","4","6","5","5","7","2","1") = "6"
    & skf21("3","4","6","5","5","7","3","1") = "6"
    & skf21("3","4","6","5","5","7","4","1") = "6"
    & skf21("3","4","6","5","5","7","5","1") = "6"
    & skf21("3","4","6","5","5","7","6","1") = "6"
    & skf21("3","4","6","5","5","7","7","1") = "6"
    & skf21("3","4","6","5","6","1","1","1") = "5"
    & skf21("3","4","6","5","6","1","2","1") = "5"
    & skf21("3","4","6","5","6","1","3","1") = "5"
    & skf21("3","4","6","5","6","1","4","1") = "5"
    & skf21("3","4","6","5","6","1","5","1") = "5"
    & skf21("3","4","6","5","6","1","6","1") = "5"
    & skf21("3","4","6","5","6","1","7","1") = "6"
    & skf21("3","4","6","5","6","2","1","1") = "5"
    & skf21("3","4","6","5","6","2","2","1") = "5"
    & skf21("3","4","6","5","6","2","3","1") = "5"
    & skf21("3","4","6","5","6","2","4","1") = "5"
    & skf21("3","4","6","5","6","2","5","1") = "5"
    & skf21("3","4","6","5","6","2","6","1") = "5"
    & skf21("3","4","6","5","6","2","7","1") = "6"
    & skf21("3","4","6","5","6","3","1","1") = "5"
    & skf21("3","4","6","5","6","3","2","1") = "5"
    & skf21("3","4","6","5","6","3","3","1") = "5"
    & skf21("3","4","6","5","6","3","4","1") = "5"
    & skf21("3","4","6","5","6","3","5","1") = "5"
    & skf21("3","4","6","5","6","3","6","1") = "5"
    & skf21("3","4","6","5","6","3","7","1") = "6"
    & skf21("3","4","6","5","6","4","1","1") = "5"
    & skf21("3","4","6","5","6","4","2","1") = "5"
    & skf21("3","4","6","5","6","4","3","1") = "5"
    & skf21("3","4","6","5","6","4","4","1") = "5"
    & skf21("3","4","6","5","6","4","5","1") = "5"
    & skf21("3","4","6","5","6","4","6","1") = "5"
    & skf21("3","4","6","5","6","4","7","1") = "6"
    & skf21("3","4","6","5","6","5","1","1") = "5"
    & skf21("3","4","6","5","6","5","2","1") = "5"
    & skf21("3","4","6","5","6","5","3","1") = "5"
    & skf21("3","4","6","5","6","5","4","1") = "5"
    & skf21("3","4","6","5","6","5","5","1") = "5"
    & skf21("3","4","6","5","6","5","6","1") = "5"
    & skf21("3","4","6","5","6","5","7","1") = "6"
    & skf21("3","4","6","5","6","6","1","1") = "5"
    & skf21("3","4","6","5","6","6","2","1") = "5"
    & skf21("3","4","6","5","6","6","3","1") = "5"
    & skf21("3","4","6","5","6","6","4","1") = "5"
    & skf21("3","4","6","5","6","6","5","1") = "5"
    & skf21("3","4","6","5","6","6","6","1") = "5"
    & skf21("3","4","6","5","6","6","7","1") = "6"
    & skf21("3","4","6","5","6","7","1","1") = "6"
    & skf21("3","4","6","5","6","7","2","1") = "6"
    & skf21("3","4","6","5","6","7","3","1") = "6"
    & skf21("3","4","6","5","6","7","4","1") = "6"
    & skf21("3","4","6","5","6","7","5","1") = "6"
    & skf21("3","4","6","5","6","7","6","1") = "6"
    & skf21("3","4","6","5","6","7","7","1") = "6"
    & skf21("3","4","6","5","7","1","1","1") = "6"
    & skf21("3","4","6","5","7","1","2","1") = "6"
    & skf21("3","4","6","5","7","1","3","1") = "6"
    & skf21("3","4","6","5","7","1","4","1") = "6"
    & skf21("3","4","6","5","7","1","5","1") = "6"
    & skf21("3","4","6","5","7","1","6","1") = "6"
    & skf21("3","4","6","5","7","1","7","1") = "6"
    & skf21("3","4","6","5","7","2","1","1") = "6"
    & skf21("3","4","6","5","7","2","2","1") = "6"
    & skf21("3","4","6","5","7","2","3","1") = "6"
    & skf21("3","4","6","5","7","2","4","1") = "6"
    & skf21("3","4","6","5","7","2","5","1") = "6"
    & skf21("3","4","6","5","7","2","6","1") = "6"
    & skf21("3","4","6","5","7","2","7","1") = "6"
    & skf21("3","4","6","5","7","3","1","1") = "6"
    & skf21("3","4","6","5","7","3","2","1") = "6"
    & skf21("3","4","6","5","7","3","3","1") = "6"
    & skf21("3","4","6","5","7","3","4","1") = "6"
    & skf21("3","4","6","5","7","3","5","1") = "6"
    & skf21("3","4","6","5","7","3","6","1") = "6"
    & skf21("3","4","6","5","7","3","7","1") = "6"
    & skf21("3","4","6","5","7","4","1","1") = "6"
    & skf21("3","4","6","5","7","4","2","1") = "6"
    & skf21("3","4","6","5","7","4","3","1") = "6"
    & skf21("3","4","6","5","7","4","4","1") = "6"
    & skf21("3","4","6","5","7","4","5","1") = "6"
    & skf21("3","4","6","5","7","4","6","1") = "6"
    & skf21("3","4","6","5","7","4","7","1") = "6"
    & skf21("3","4","6","5","7","5","1","1") = "6"
    & skf21("3","4","6","5","7","5","2","1") = "6"
    & skf21("3","4","6","5","7","5","3","1") = "6"
    & skf21("3","4","6","5","7","5","4","1") = "6"
    & skf21("3","4","6","5","7","5","5","1") = "6"
    & skf21("3","4","6","5","7","5","6","1") = "6"
    & skf21("3","4","6","5","7","5","7","1") = "6"
    & skf21("3","4","6","5","7","6","1","1") = "6"
    & skf21("3","4","6","5","7","6","2","1") = "6"
    & skf21("3","4","6","5","7","6","3","1") = "6"
    & skf21("3","4","6","5","7","6","4","1") = "6"
    & skf21("3","4","6","5","7","6","5","1") = "6"
    & skf21("3","4","6","5","7","6","6","1") = "6"
    & skf21("3","4","6","5","7","6","7","1") = "6"
    & skf21("3","4","6","5","7","7","1","1") = "6"
    & skf21("3","4","6","5","7","7","2","1") = "6"
    & skf21("3","4","6","5","7","7","3","1") = "6"
    & skf21("3","4","6","5","7","7","4","1") = "6"
    & skf21("3","4","6","5","7","7","5","1") = "6"
    & skf21("3","4","6","5","7","7","6","1") = "6"
    & skf21("3","4","6","5","7","7","7","1") = "6"
    & skf21("3","4","6","6","1","1","1","1") = "5"
    & skf21("3","4","6","6","1","1","2","1") = "5"
    & skf21("3","4","6","6","1","1","3","1") = "5"
    & skf21("3","4","6","6","1","1","4","1") = "5"
    & skf21("3","4","6","6","1","1","5","1") = "5"
    & skf21("3","4","6","6","1","1","6","1") = "5"
    & skf21("3","4","6","6","1","1","7","1") = "6"
    & skf21("3","4","6","6","1","2","1","1") = "5"
    & skf21("3","4","6","6","1","2","2","1") = "5"
    & skf21("3","4","6","6","1","2","3","1") = "5"
    & skf21("3","4","6","6","1","2","4","1") = "5"
    & skf21("3","4","6","6","1","2","5","1") = "5"
    & skf21("3","4","6","6","1","2","6","1") = "5"
    & skf21("3","4","6","6","1","2","7","1") = "6"
    & skf21("3","4","6","6","1","3","1","1") = "5"
    & skf21("3","4","6","6","1","3","2","1") = "5"
    & skf21("3","4","6","6","1","3","3","1") = "5"
    & skf21("3","4","6","6","1","3","4","1") = "5"
    & skf21("3","4","6","6","1","3","5","1") = "5"
    & skf21("3","4","6","6","1","3","6","1") = "5"
    & skf21("3","4","6","6","1","3","7","1") = "6"
    & skf21("3","4","6","6","1","4","1","1") = "5"
    & skf21("3","4","6","6","1","4","2","1") = "5"
    & skf21("3","4","6","6","1","4","3","1") = "5"
    & skf21("3","4","6","6","1","4","4","1") = "5"
    & skf21("3","4","6","6","1","4","5","1") = "5"
    & skf21("3","4","6","6","1","4","6","1") = "5"
    & skf21("3","4","6","6","1","4","7","1") = "6"
    & skf21("3","4","6","6","1","5","1","1") = "5"
    & skf21("3","4","6","6","1","5","2","1") = "5"
    & skf21("3","4","6","6","1","5","3","1") = "5"
    & skf21("3","4","6","6","1","5","4","1") = "5"
    & skf21("3","4","6","6","1","5","5","1") = "5"
    & skf21("3","4","6","6","1","5","6","1") = "5"
    & skf21("3","4","6","6","1","5","7","1") = "6"
    & skf21("3","4","6","6","1","6","1","1") = "5"
    & skf21("3","4","6","6","1","6","2","1") = "5"
    & skf21("3","4","6","6","1","6","3","1") = "5"
    & skf21("3","4","6","6","1","6","4","1") = "5"
    & skf21("3","4","6","6","1","6","5","1") = "5"
    & skf21("3","4","6","6","1","6","6","1") = "5"
    & skf21("3","4","6","6","1","6","7","1") = "6"
    & skf21("3","4","6","6","1","7","1","1") = "6"
    & skf21("3","4","6","6","1","7","2","1") = "6"
    & skf21("3","4","6","6","1","7","3","1") = "6"
    & skf21("3","4","6","6","1","7","4","1") = "6"
    & skf21("3","4","6","6","1","7","5","1") = "6"
    & skf21("3","4","6","6","1","7","6","1") = "6"
    & skf21("3","4","6","6","1","7","7","1") = "6"
    & skf21("3","4","6","6","2","1","1","1") = "5"
    & skf21("3","4","6","6","2","1","2","1") = "5"
    & skf21("3","4","6","6","2","1","3","1") = "5"
    & skf21("3","4","6","6","2","1","4","1") = "5"
    & skf21("3","4","6","6","2","1","5","1") = "5"
    & skf21("3","4","6","6","2","1","6","1") = "5"
    & skf21("3","4","6","6","2","1","7","1") = "6"
    & skf21("3","4","6","6","2","2","1","1") = "5"
    & skf21("3","4","6","6","2","2","2","1") = "5"
    & skf21("3","4","6","6","2","2","3","1") = "5"
    & skf21("3","4","6","6","2","2","4","1") = "5"
    & skf21("3","4","6","6","2","2","5","1") = "5"
    & skf21("3","4","6","6","2","2","6","1") = "5"
    & skf21("3","4","6","6","2","2","7","1") = "6"
    & skf21("3","4","6","6","2","3","1","1") = "5"
    & skf21("3","4","6","6","2","3","2","1") = "5"
    & skf21("3","4","6","6","2","3","3","1") = "5"
    & skf21("3","4","6","6","2","3","4","1") = "5"
    & skf21("3","4","6","6","2","3","5","1") = "5"
    & skf21("3","4","6","6","2","3","6","1") = "5"
    & skf21("3","4","6","6","2","3","7","1") = "6"
    & skf21("3","4","6","6","2","4","1","1") = "5"
    & skf21("3","4","6","6","2","4","2","1") = "5"
    & skf21("3","4","6","6","2","4","3","1") = "5"
    & skf21("3","4","6","6","2","4","4","1") = "5"
    & skf21("3","4","6","6","2","4","5","1") = "5"
    & skf21("3","4","6","6","2","4","6","1") = "5"
    & skf21("3","4","6","6","2","4","7","1") = "6"
    & skf21("3","4","6","6","2","5","1","1") = "5"
    & skf21("3","4","6","6","2","5","2","1") = "5"
    & skf21("3","4","6","6","2","5","3","1") = "5"
    & skf21("3","4","6","6","2","5","4","1") = "5"
    & skf21("3","4","6","6","2","5","5","1") = "5"
    & skf21("3","4","6","6","2","5","6","1") = "5"
    & skf21("3","4","6","6","2","5","7","1") = "6"
    & skf21("3","4","6","6","2","6","1","1") = "5"
    & skf21("3","4","6","6","2","6","2","1") = "5"
    & skf21("3","4","6","6","2","6","3","1") = "5"
    & skf21("3","4","6","6","2","6","4","1") = "5"
    & skf21("3","4","6","6","2","6","5","1") = "5"
    & skf21("3","4","6","6","2","6","6","1") = "5"
    & skf21("3","4","6","6","2","6","7","1") = "6"
    & skf21("3","4","6","6","2","7","1","1") = "6"
    & skf21("3","4","6","6","2","7","2","1") = "6"
    & skf21("3","4","6","6","2","7","3","1") = "6"
    & skf21("3","4","6","6","2","7","4","1") = "6"
    & skf21("3","4","6","6","2","7","5","1") = "6"
    & skf21("3","4","6","6","2","7","6","1") = "6"
    & skf21("3","4","6","6","2","7","7","1") = "6"
    & skf21("3","4","6","6","3","1","1","1") = "5"
    & skf21("3","4","6","6","3","1","2","1") = "5"
    & skf21("3","4","6","6","3","1","3","1") = "5"
    & skf21("3","4","6","6","3","1","4","1") = "5"
    & skf21("3","4","6","6","3","1","5","1") = "5"
    & skf21("3","4","6","6","3","1","6","1") = "5"
    & skf21("3","4","6","6","3","1","7","1") = "6"
    & skf21("3","4","6","6","3","2","1","1") = "5"
    & skf21("3","4","6","6","3","2","2","1") = "5"
    & skf21("3","4","6","6","3","2","3","1") = "5"
    & skf21("3","4","6","6","3","2","4","1") = "5"
    & skf21("3","4","6","6","3","2","5","1") = "5"
    & skf21("3","4","6","6","3","2","6","1") = "5"
    & skf21("3","4","6","6","3","2","7","1") = "6"
    & skf21("3","4","6","6","3","3","1","1") = "5"
    & skf21("3","4","6","6","3","3","2","1") = "5"
    & skf21("3","4","6","6","3","3","3","1") = "5"
    & skf21("3","4","6","6","3","3","4","1") = "5"
    & skf21("3","4","6","6","3","3","5","1") = "5"
    & skf21("3","4","6","6","3","3","6","1") = "5"
    & skf21("3","4","6","6","3","3","7","1") = "6"
    & skf21("3","4","6","6","3","4","1","1") = "5"
    & skf21("3","4","6","6","3","4","2","1") = "5"
    & skf21("3","4","6","6","3","4","3","1") = "5"
    & skf21("3","4","6","6","3","4","4","1") = "5"
    & skf21("3","4","6","6","3","4","5","1") = "5"
    & skf21("3","4","6","6","3","4","6","1") = "5"
    & skf21("3","4","6","6","3","4","7","1") = "6"
    & skf21("3","4","6","6","3","5","1","1") = "5"
    & skf21("3","4","6","6","3","5","2","1") = "5"
    & skf21("3","4","6","6","3","5","3","1") = "5"
    & skf21("3","4","6","6","3","5","4","1") = "5"
    & skf21("3","4","6","6","3","5","5","1") = "5"
    & skf21("3","4","6","6","3","5","6","1") = "5"
    & skf21("3","4","6","6","3","5","7","1") = "6"
    & skf21("3","4","6","6","3","6","1","1") = "5"
    & skf21("3","4","6","6","3","6","2","1") = "5"
    & skf21("3","4","6","6","3","6","3","1") = "5"
    & skf21("3","4","6","6","3","6","4","1") = "5"
    & skf21("3","4","6","6","3","6","5","1") = "5"
    & skf21("3","4","6","6","3","6","6","1") = "5"
    & skf21("3","4","6","6","3","6","7","1") = "6"
    & skf21("3","4","6","6","3","7","1","1") = "6"
    & skf21("3","4","6","6","3","7","2","1") = "6"
    & skf21("3","4","6","6","3","7","3","1") = "6"
    & skf21("3","4","6","6","3","7","4","1") = "6"
    & skf21("3","4","6","6","3","7","5","1") = "6"
    & skf21("3","4","6","6","3","7","6","1") = "6"
    & skf21("3","4","6","6","3","7","7","1") = "6"
    & skf21("3","4","6","6","4","1","1","1") = "5"
    & skf21("3","4","6","6","4","1","2","1") = "5"
    & skf21("3","4","6","6","4","1","3","1") = "5"
    & skf21("3","4","6","6","4","1","4","1") = "5"
    & skf21("3","4","6","6","4","1","5","1") = "5"
    & skf21("3","4","6","6","4","1","6","1") = "5"
    & skf21("3","4","6","6","4","1","7","1") = "6"
    & skf21("3","4","6","6","4","2","1","1") = "5"
    & skf21("3","4","6","6","4","2","2","1") = "5"
    & skf21("3","4","6","6","4","2","3","1") = "5"
    & skf21("3","4","6","6","4","2","4","1") = "5"
    & skf21("3","4","6","6","4","2","5","1") = "5"
    & skf21("3","4","6","6","4","2","6","1") = "5"
    & skf21("3","4","6","6","4","2","7","1") = "6"
    & skf21("3","4","6","6","4","3","1","1") = "5"
    & skf21("3","4","6","6","4","3","2","1") = "5"
    & skf21("3","4","6","6","4","3","3","1") = "5"
    & skf21("3","4","6","6","4","3","4","1") = "5"
    & skf21("3","4","6","6","4","3","5","1") = "5"
    & skf21("3","4","6","6","4","3","6","1") = "5"
    & skf21("3","4","6","6","4","3","7","1") = "6"
    & skf21("3","4","6","6","4","4","1","1") = "5"
    & skf21("3","4","6","6","4","4","2","1") = "5"
    & skf21("3","4","6","6","4","4","3","1") = "5"
    & skf21("3","4","6","6","4","4","4","1") = "5"
    & skf21("3","4","6","6","4","4","5","1") = "5"
    & skf21("3","4","6","6","4","4","6","1") = "5"
    & skf21("3","4","6","6","4","4","7","1") = "6"
    & skf21("3","4","6","6","4","5","1","1") = "5"
    & skf21("3","4","6","6","4","5","2","1") = "5"
    & skf21("3","4","6","6","4","5","3","1") = "5"
    & skf21("3","4","6","6","4","5","4","1") = "5"
    & skf21("3","4","6","6","4","5","5","1") = "5"
    & skf21("3","4","6","6","4","5","6","1") = "5"
    & skf21("3","4","6","6","4","5","7","1") = "6"
    & skf21("3","4","6","6","4","6","1","1") = "5"
    & skf21("3","4","6","6","4","6","2","1") = "5"
    & skf21("3","4","6","6","4","6","3","1") = "5"
    & skf21("3","4","6","6","4","6","4","1") = "5"
    & skf21("3","4","6","6","4","6","5","1") = "5"
    & skf21("3","4","6","6","4","6","6","1") = "5"
    & skf21("3","4","6","6","4","6","7","1") = "6"
    & skf21("3","4","6","6","4","7","1","1") = "6"
    & skf21("3","4","6","6","4","7","2","1") = "6"
    & skf21("3","4","6","6","4","7","3","1") = "6"
    & skf21("3","4","6","6","4","7","4","1") = "6"
    & skf21("3","4","6","6","4","7","5","1") = "6"
    & skf21("3","4","6","6","4","7","6","1") = "6"
    & skf21("3","4","6","6","4","7","7","1") = "6"
    & skf21("3","4","6","6","5","1","1","1") = "5"
    & skf21("3","4","6","6","5","1","2","1") = "5"
    & skf21("3","4","6","6","5","1","3","1") = "5"
    & skf21("3","4","6","6","5","1","4","1") = "5"
    & skf21("3","4","6","6","5","1","5","1") = "5"
    & skf21("3","4","6","6","5","1","6","1") = "5"
    & skf21("3","4","6","6","5","1","7","1") = "6"
    & skf21("3","4","6","6","5","2","1","1") = "5"
    & skf21("3","4","6","6","5","2","2","1") = "5"
    & skf21("3","4","6","6","5","2","3","1") = "5"
    & skf21("3","4","6","6","5","2","4","1") = "5"
    & skf21("3","4","6","6","5","2","5","1") = "5"
    & skf21("3","4","6","6","5","2","6","1") = "5"
    & skf21("3","4","6","6","5","2","7","1") = "6"
    & skf21("3","4","6","6","5","3","1","1") = "5"
    & skf21("3","4","6","6","5","3","2","1") = "5"
    & skf21("3","4","6","6","5","3","3","1") = "5"
    & skf21("3","4","6","6","5","3","4","1") = "5"
    & skf21("3","4","6","6","5","3","5","1") = "5"
    & skf21("3","4","6","6","5","3","6","1") = "5"
    & skf21("3","4","6","6","5","3","7","1") = "6"
    & skf21("3","4","6","6","5","4","1","1") = "5"
    & skf21("3","4","6","6","5","4","2","1") = "5"
    & skf21("3","4","6","6","5","4","3","1") = "5"
    & skf21("3","4","6","6","5","4","4","1") = "5"
    & skf21("3","4","6","6","5","4","5","1") = "5"
    & skf21("3","4","6","6","5","4","6","1") = "5"
    & skf21("3","4","6","6","5","4","7","1") = "6"
    & skf21("3","4","6","6","5","5","1","1") = "5"
    & skf21("3","4","6","6","5","5","2","1") = "5"
    & skf21("3","4","6","6","5","5","3","1") = "5"
    & skf21("3","4","6","6","5","5","4","1") = "5"
    & skf21("3","4","6","6","5","5","5","1") = "5"
    & skf21("3","4","6","6","5","5","6","1") = "5"
    & skf21("3","4","6","6","5","5","7","1") = "6"
    & skf21("3","4","6","6","5","6","1","1") = "5"
    & skf21("3","4","6","6","5","6","2","1") = "5"
    & skf21("3","4","6","6","5","6","3","1") = "5"
    & skf21("3","4","6","6","5","6","4","1") = "5"
    & skf21("3","4","6","6","5","6","5","1") = "5"
    & skf21("3","4","6","6","5","6","6","1") = "5"
    & skf21("3","4","6","6","5","6","7","1") = "6"
    & skf21("3","4","6","6","5","7","1","1") = "6"
    & skf21("3","4","6","6","5","7","2","1") = "6"
    & skf21("3","4","6","6","5","7","3","1") = "6"
    & skf21("3","4","6","6","5","7","4","1") = "6"
    & skf21("3","4","6","6","5","7","5","1") = "6"
    & skf21("3","4","6","6","5","7","6","1") = "6"
    & skf21("3","4","6","6","5","7","7","1") = "6"
    & skf21("3","4","6","6","6","1","1","1") = "5"
    & skf21("3","4","6","6","6","1","2","1") = "5"
    & skf21("3","4","6","6","6","1","3","1") = "5"
    & skf21("3","4","6","6","6","1","4","1") = "5"
    & skf21("3","4","6","6","6","1","5","1") = "5"
    & skf21("3","4","6","6","6","1","6","1") = "5"
    & skf21("3","4","6","6","6","1","7","1") = "6"
    & skf21("3","4","6","6","6","2","1","1") = "5"
    & skf21("3","4","6","6","6","2","2","1") = "5"
    & skf21("3","4","6","6","6","2","3","1") = "5"
    & skf21("3","4","6","6","6","2","4","1") = "5"
    & skf21("3","4","6","6","6","2","5","1") = "5"
    & skf21("3","4","6","6","6","2","6","1") = "5"
    & skf21("3","4","6","6","6","2","7","1") = "6"
    & skf21("3","4","6","6","6","3","1","1") = "5"
    & skf21("3","4","6","6","6","3","2","1") = "5"
    & skf21("3","4","6","6","6","3","3","1") = "5"
    & skf21("3","4","6","6","6","3","4","1") = "5"
    & skf21("3","4","6","6","6","3","5","1") = "5"
    & skf21("3","4","6","6","6","3","6","1") = "5"
    & skf21("3","4","6","6","6","3","7","1") = "6"
    & skf21("3","4","6","6","6","4","1","1") = "5"
    & skf21("3","4","6","6","6","4","2","1") = "5"
    & skf21("3","4","6","6","6","4","3","1") = "5"
    & skf21("3","4","6","6","6","4","4","1") = "5"
    & skf21("3","4","6","6","6","4","5","1") = "5"
    & skf21("3","4","6","6","6","4","6","1") = "5"
    & skf21("3","4","6","6","6","4","7","1") = "6"
    & skf21("3","4","6","6","6","5","1","1") = "5"
    & skf21("3","4","6","6","6","5","2","1") = "5"
    & skf21("3","4","6","6","6","5","3","1") = "5"
    & skf21("3","4","6","6","6","5","4","1") = "5"
    & skf21("3","4","6","6","6","5","5","1") = "5"
    & skf21("3","4","6","6","6","5","6","1") = "5"
    & skf21("3","4","6","6","6","5","7","1") = "6"
    & skf21("3","4","6","6","6","6","1","1") = "5"
    & skf21("3","4","6","6","6","6","2","1") = "5"
    & skf21("3","4","6","6","6","6","3","1") = "5"
    & skf21("3","4","6","6","6","6","4","1") = "5"
    & skf21("3","4","6","6","6","6","5","1") = "5"
    & skf21("3","4","6","6","6","6","6","1") = "5"
    & skf21("3","4","6","6","6","6","7","1") = "6"
    & skf21("3","4","6","6","6","7","1","1") = "6"
    & skf21("3","4","6","6","6","7","2","1") = "6"
    & skf21("3","4","6","6","6","7","3","1") = "6"
    & skf21("3","4","6","6","6","7","4","1") = "6"
    & skf21("3","4","6","6","6","7","5","1") = "6"
    & skf21("3","4","6","6","6","7","6","1") = "6"
    & skf21("3","4","6","6","6","7","7","1") = "6"
    & skf21("3","4","6","6","7","1","1","1") = "6"
    & skf21("3","4","6","6","7","1","2","1") = "6"
    & skf21("3","4","6","6","7","1","3","1") = "6"
    & skf21("3","4","6","6","7","1","4","1") = "6"
    & skf21("3","4","6","6","7","1","5","1") = "6"
    & skf21("3","4","6","6","7","1","6","1") = "6"
    & skf21("3","4","6","6","7","1","7","1") = "6"
    & skf21("3","4","6","6","7","2","1","1") = "6"
    & skf21("3","4","6","6","7","2","2","1") = "6"
    & skf21("3","4","6","6","7","2","3","1") = "6"
    & skf21("3","4","6","6","7","2","4","1") = "6"
    & skf21("3","4","6","6","7","2","5","1") = "6"
    & skf21("3","4","6","6","7","2","6","1") = "6"
    & skf21("3","4","6","6","7","2","7","1") = "6"
    & skf21("3","4","6","6","7","3","1","1") = "6"
    & skf21("3","4","6","6","7","3","2","1") = "6"
    & skf21("3","4","6","6","7","3","3","1") = "6"
    & skf21("3","4","6","6","7","3","4","1") = "6"
    & skf21("3","4","6","6","7","3","5","1") = "6"
    & skf21("3","4","6","6","7","3","6","1") = "6"
    & skf21("3","4","6","6","7","3","7","1") = "6"
    & skf21("3","4","6","6","7","4","1","1") = "6"
    & skf21("3","4","6","6","7","4","2","1") = "6"
    & skf21("3","4","6","6","7","4","3","1") = "6"
    & skf21("3","4","6","6","7","4","4","1") = "6"
    & skf21("3","4","6","6","7","4","5","1") = "6"
    & skf21("3","4","6","6","7","4","6","1") = "6"
    & skf21("3","4","6","6","7","4","7","1") = "6"
    & skf21("3","4","6","6","7","5","1","1") = "6"
    & skf21("3","4","6","6","7","5","2","1") = "6"
    & skf21("3","4","6","6","7","5","3","1") = "6"
    & skf21("3","4","6","6","7","5","4","1") = "6"
    & skf21("3","4","6","6","7","5","5","1") = "6"
    & skf21("3","4","6","6","7","5","6","1") = "6"
    & skf21("3","4","6","6","7","5","7","1") = "6"
    & skf21("3","4","6","6","7","6","1","1") = "6"
    & skf21("3","4","6","6","7","6","2","1") = "6"
    & skf21("3","4","6","6","7","6","3","1") = "6"
    & skf21("3","4","6","6","7","6","4","1") = "6"
    & skf21("3","4","6","6","7","6","5","1") = "6"
    & skf21("3","4","6","6","7","6","6","1") = "6"
    & skf21("3","4","6","6","7","6","7","1") = "6"
    & skf21("3","4","6","6","7","7","1","1") = "6"
    & skf21("3","4","6","6","7","7","2","1") = "6"
    & skf21("3","4","6","6","7","7","3","1") = "6"
    & skf21("3","4","6","6","7","7","4","1") = "6"
    & skf21("3","4","6","6","7","7","5","1") = "6"
    & skf21("3","4","6","6","7","7","6","1") = "6"
    & skf21("3","4","6","6","7","7","7","1") = "6"
    & skf21("3","4","6","7","1","1","1","1") = "6"
    & skf21("3","4","6","7","1","1","2","1") = "6"
    & skf21("3","4","6","7","1","1","3","1") = "6"
    & skf21("3","4","6","7","1","1","4","1") = "6"
    & skf21("3","4","6","7","1","1","5","1") = "6"
    & skf21("3","4","6","7","1","1","6","1") = "6"
    & skf21("3","4","6","7","1","1","7","1") = "6"
    & skf21("3","4","6","7","1","2","1","1") = "6"
    & skf21("3","4","6","7","1","2","2","1") = "6"
    & skf21("3","4","6","7","1","2","3","1") = "6"
    & skf21("3","4","6","7","1","2","4","1") = "6"
    & skf21("3","4","6","7","1","2","5","1") = "6"
    & skf21("3","4","6","7","1","2","6","1") = "6"
    & skf21("3","4","6","7","1","2","7","1") = "6"
    & skf21("3","4","6","7","1","3","1","1") = "6"
    & skf21("3","4","6","7","1","3","2","1") = "6"
    & skf21("3","4","6","7","1","3","3","1") = "6"
    & skf21("3","4","6","7","1","3","4","1") = "6"
    & skf21("3","4","6","7","1","3","5","1") = "6"
    & skf21("3","4","6","7","1","3","6","1") = "6"
    & skf21("3","4","6","7","1","3","7","1") = "6"
    & skf21("3","4","6","7","1","4","1","1") = "6"
    & skf21("3","4","6","7","1","4","2","1") = "6"
    & skf21("3","4","6","7","1","4","3","1") = "6"
    & skf21("3","4","6","7","1","4","4","1") = "6"
    & skf21("3","4","6","7","1","4","5","1") = "6"
    & skf21("3","4","6","7","1","4","6","1") = "6"
    & skf21("3","4","6","7","1","4","7","1") = "6"
    & skf21("3","4","6","7","1","5","1","1") = "6"
    & skf21("3","4","6","7","1","5","2","1") = "6"
    & skf21("3","4","6","7","1","5","3","1") = "6"
    & skf21("3","4","6","7","1","5","4","1") = "6"
    & skf21("3","4","6","7","1","5","5","1") = "6"
    & skf21("3","4","6","7","1","5","6","1") = "6"
    & skf21("3","4","6","7","1","5","7","1") = "6"
    & skf21("3","4","6","7","1","6","1","1") = "6"
    & skf21("3","4","6","7","1","6","2","1") = "6"
    & skf21("3","4","6","7","1","6","3","1") = "6"
    & skf21("3","4","6","7","1","6","4","1") = "6"
    & skf21("3","4","6","7","1","6","5","1") = "6"
    & skf21("3","4","6","7","1","6","6","1") = "6"
    & skf21("3","4","6","7","1","6","7","1") = "6"
    & skf21("3","4","6","7","1","7","1","1") = "6"
    & skf21("3","4","6","7","1","7","2","1") = "6"
    & skf21("3","4","6","7","1","7","3","1") = "6"
    & skf21("3","4","6","7","1","7","4","1") = "6"
    & skf21("3","4","6","7","1","7","5","1") = "6"
    & skf21("3","4","6","7","1","7","6","1") = "6"
    & skf21("3","4","6","7","1","7","7","1") = "6"
    & skf21("3","4","6","7","2","1","1","1") = "6"
    & skf21("3","4","6","7","2","1","2","1") = "6"
    & skf21("3","4","6","7","2","1","3","1") = "6"
    & skf21("3","4","6","7","2","1","4","1") = "6"
    & skf21("3","4","6","7","2","1","5","1") = "6"
    & skf21("3","4","6","7","2","1","6","1") = "6"
    & skf21("3","4","6","7","2","1","7","1") = "6"
    & skf21("3","4","6","7","2","2","1","1") = "6"
    & skf21("3","4","6","7","2","2","2","1") = "6"
    & skf21("3","4","6","7","2","2","3","1") = "6"
    & skf21("3","4","6","7","2","2","4","1") = "6"
    & skf21("3","4","6","7","2","2","5","1") = "6"
    & skf21("3","4","6","7","2","2","6","1") = "6"
    & skf21("3","4","6","7","2","2","7","1") = "6"
    & skf21("3","4","6","7","2","3","1","1") = "6"
    & skf21("3","4","6","7","2","3","2","1") = "6"
    & skf21("3","4","6","7","2","3","3","1") = "6"
    & skf21("3","4","6","7","2","3","4","1") = "6"
    & skf21("3","4","6","7","2","3","5","1") = "6"
    & skf21("3","4","6","7","2","3","6","1") = "6"
    & skf21("3","4","6","7","2","3","7","1") = "6"
    & skf21("3","4","6","7","2","4","1","1") = "6"
    & skf21("3","4","6","7","2","4","2","1") = "6"
    & skf21("3","4","6","7","2","4","3","1") = "6"
    & skf21("3","4","6","7","2","4","4","1") = "6"
    & skf21("3","4","6","7","2","4","5","1") = "6"
    & skf21("3","4","6","7","2","4","6","1") = "6"
    & skf21("3","4","6","7","2","4","7","1") = "6"
    & skf21("3","4","6","7","2","5","1","1") = "6"
    & skf21("3","4","6","7","2","5","2","1") = "6"
    & skf21("3","4","6","7","2","5","3","1") = "6"
    & skf21("3","4","6","7","2","5","4","1") = "6"
    & skf21("3","4","6","7","2","5","5","1") = "6"
    & skf21("3","4","6","7","2","5","6","1") = "6"
    & skf21("3","4","6","7","2","5","7","1") = "6"
    & skf21("3","4","6","7","2","6","1","1") = "6"
    & skf21("3","4","6","7","2","6","2","1") = "6"
    & skf21("3","4","6","7","2","6","3","1") = "6"
    & skf21("3","4","6","7","2","6","4","1") = "6"
    & skf21("3","4","6","7","2","6","5","1") = "6"
    & skf21("3","4","6","7","2","6","6","1") = "6"
    & skf21("3","4","6","7","2","6","7","1") = "6"
    & skf21("3","4","6","7","2","7","1","1") = "6"
    & skf21("3","4","6","7","2","7","2","1") = "6"
    & skf21("3","4","6","7","2","7","3","1") = "6"
    & skf21("3","4","6","7","2","7","4","1") = "6"
    & skf21("3","4","6","7","2","7","5","1") = "6"
    & skf21("3","4","6","7","2","7","6","1") = "6"
    & skf21("3","4","6","7","2","7","7","1") = "6"
    & skf21("3","4","6","7","3","1","1","1") = "6"
    & skf21("3","4","6","7","3","1","2","1") = "6"
    & skf21("3","4","6","7","3","1","3","1") = "6"
    & skf21("3","4","6","7","3","1","4","1") = "6"
    & skf21("3","4","6","7","3","1","5","1") = "6"
    & skf21("3","4","6","7","3","1","6","1") = "6"
    & skf21("3","4","6","7","3","1","7","1") = "6"
    & skf21("3","4","6","7","3","2","1","1") = "6"
    & skf21("3","4","6","7","3","2","2","1") = "6"
    & skf21("3","4","6","7","3","2","3","1") = "6"
    & skf21("3","4","6","7","3","2","4","1") = "6"
    & skf21("3","4","6","7","3","2","5","1") = "6"
    & skf21("3","4","6","7","3","2","6","1") = "6"
    & skf21("3","4","6","7","3","2","7","1") = "6"
    & skf21("3","4","6","7","3","3","1","1") = "6"
    & skf21("3","4","6","7","3","3","2","1") = "6"
    & skf21("3","4","6","7","3","3","3","1") = "6"
    & skf21("3","4","6","7","3","3","4","1") = "6"
    & skf21("3","4","6","7","3","3","5","1") = "6"
    & skf21("3","4","6","7","3","3","6","1") = "6"
    & skf21("3","4","6","7","3","3","7","1") = "6"
    & skf21("3","4","6","7","3","4","1","1") = "6"
    & skf21("3","4","6","7","3","4","2","1") = "6"
    & skf21("3","4","6","7","3","4","3","1") = "6"
    & skf21("3","4","6","7","3","4","4","1") = "6"
    & skf21("3","4","6","7","3","4","5","1") = "6"
    & skf21("3","4","6","7","3","4","6","1") = "6"
    & skf21("3","4","6","7","3","4","7","1") = "6"
    & skf21("3","4","6","7","3","5","1","1") = "6"
    & skf21("3","4","6","7","3","5","2","1") = "6"
    & skf21("3","4","6","7","3","5","3","1") = "6"
    & skf21("3","4","6","7","3","5","4","1") = "6"
    & skf21("3","4","6","7","3","5","5","1") = "6"
    & skf21("3","4","6","7","3","5","6","1") = "6"
    & skf21("3","4","6","7","3","5","7","1") = "6"
    & skf21("3","4","6","7","3","6","1","1") = "6"
    & skf21("3","4","6","7","3","6","2","1") = "6"
    & skf21("3","4","6","7","3","6","3","1") = "6"
    & skf21("3","4","6","7","3","6","4","1") = "6"
    & skf21("3","4","6","7","3","6","5","1") = "6"
    & skf21("3","4","6","7","3","6","6","1") = "6"
    & skf21("3","4","6","7","3","6","7","1") = "6"
    & skf21("3","4","6","7","3","7","1","1") = "6"
    & skf21("3","4","6","7","3","7","2","1") = "6"
    & skf21("3","4","6","7","3","7","3","1") = "6"
    & skf21("3","4","6","7","3","7","4","1") = "6"
    & skf21("3","4","6","7","3","7","5","1") = "6"
    & skf21("3","4","6","7","3","7","6","1") = "6"
    & skf21("3","4","6","7","3","7","7","1") = "6"
    & skf21("3","4","6","7","4","1","1","1") = "6"
    & skf21("3","4","6","7","4","1","2","1") = "6"
    & skf21("3","4","6","7","4","1","3","1") = "6"
    & skf21("3","4","6","7","4","1","4","1") = "6"
    & skf21("3","4","6","7","4","1","5","1") = "6"
    & skf21("3","4","6","7","4","1","6","1") = "6"
    & skf21("3","4","6","7","4","1","7","1") = "6"
    & skf21("3","4","6","7","4","2","1","1") = "6"
    & skf21("3","4","6","7","4","2","2","1") = "6"
    & skf21("3","4","6","7","4","2","3","1") = "6"
    & skf21("3","4","6","7","4","2","4","1") = "6"
    & skf21("3","4","6","7","4","2","5","1") = "6"
    & skf21("3","4","6","7","4","2","6","1") = "6"
    & skf21("3","4","6","7","4","2","7","1") = "6"
    & skf21("3","4","6","7","4","3","1","1") = "6"
    & skf21("3","4","6","7","4","3","2","1") = "6"
    & skf21("3","4","6","7","4","3","3","1") = "6"
    & skf21("3","4","6","7","4","3","4","1") = "6"
    & skf21("3","4","6","7","4","3","5","1") = "6"
    & skf21("3","4","6","7","4","3","6","1") = "6"
    & skf21("3","4","6","7","4","3","7","1") = "6"
    & skf21("3","4","6","7","4","4","1","1") = "6"
    & skf21("3","4","6","7","4","4","2","1") = "6"
    & skf21("3","4","6","7","4","4","3","1") = "6"
    & skf21("3","4","6","7","4","4","4","1") = "6"
    & skf21("3","4","6","7","4","4","5","1") = "6"
    & skf21("3","4","6","7","4","4","6","1") = "6"
    & skf21("3","4","6","7","4","4","7","1") = "6"
    & skf21("3","4","6","7","4","5","1","1") = "6"
    & skf21("3","4","6","7","4","5","2","1") = "6"
    & skf21("3","4","6","7","4","5","3","1") = "6"
    & skf21("3","4","6","7","4","5","4","1") = "6"
    & skf21("3","4","6","7","4","5","5","1") = "6"
    & skf21("3","4","6","7","4","5","6","1") = "6"
    & skf21("3","4","6","7","4","5","7","1") = "6"
    & skf21("3","4","6","7","4","6","1","1") = "6"
    & skf21("3","4","6","7","4","6","2","1") = "6"
    & skf21("3","4","6","7","4","6","3","1") = "6"
    & skf21("3","4","6","7","4","6","4","1") = "6"
    & skf21("3","4","6","7","4","6","5","1") = "6"
    & skf21("3","4","6","7","4","6","6","1") = "6"
    & skf21("3","4","6","7","4","6","7","1") = "6"
    & skf21("3","4","6","7","4","7","1","1") = "6"
    & skf21("3","4","6","7","4","7","2","1") = "6"
    & skf21("3","4","6","7","4","7","3","1") = "6"
    & skf21("3","4","6","7","4","7","4","1") = "6"
    & skf21("3","4","6","7","4","7","5","1") = "6"
    & skf21("3","4","6","7","4","7","6","1") = "6"
    & skf21("3","4","6","7","4","7","7","1") = "6"
    & skf21("3","4","6","7","5","1","1","1") = "6"
    & skf21("3","4","6","7","5","1","2","1") = "6"
    & skf21("3","4","6","7","5","1","3","1") = "6"
    & skf21("3","4","6","7","5","1","4","1") = "6"
    & skf21("3","4","6","7","5","1","5","1") = "6"
    & skf21("3","4","6","7","5","1","6","1") = "6"
    & skf21("3","4","6","7","5","1","7","1") = "6"
    & skf21("3","4","6","7","5","2","1","1") = "6"
    & skf21("3","4","6","7","5","2","2","1") = "6"
    & skf21("3","4","6","7","5","2","3","1") = "6"
    & skf21("3","4","6","7","5","2","4","1") = "6"
    & skf21("3","4","6","7","5","2","5","1") = "6"
    & skf21("3","4","6","7","5","2","6","1") = "6"
    & skf21("3","4","6","7","5","2","7","1") = "6"
    & skf21("3","4","6","7","5","3","1","1") = "6"
    & skf21("3","4","6","7","5","3","2","1") = "6"
    & skf21("3","4","6","7","5","3","3","1") = "6"
    & skf21("3","4","6","7","5","3","4","1") = "6"
    & skf21("3","4","6","7","5","3","5","1") = "6"
    & skf21("3","4","6","7","5","3","6","1") = "6"
    & skf21("3","4","6","7","5","3","7","1") = "6"
    & skf21("3","4","6","7","5","4","1","1") = "6"
    & skf21("3","4","6","7","5","4","2","1") = "6"
    & skf21("3","4","6","7","5","4","3","1") = "6"
    & skf21("3","4","6","7","5","4","4","1") = "6"
    & skf21("3","4","6","7","5","4","5","1") = "6"
    & skf21("3","4","6","7","5","4","6","1") = "6"
    & skf21("3","4","6","7","5","4","7","1") = "6"
    & skf21("3","4","6","7","5","5","1","1") = "6"
    & skf21("3","4","6","7","5","5","2","1") = "6"
    & skf21("3","4","6","7","5","5","3","1") = "6"
    & skf21("3","4","6","7","5","5","4","1") = "6"
    & skf21("3","4","6","7","5","5","5","1") = "6"
    & skf21("3","4","6","7","5","5","6","1") = "6"
    & skf21("3","4","6","7","5","5","7","1") = "6"
    & skf21("3","4","6","7","5","6","1","1") = "6"
    & skf21("3","4","6","7","5","6","2","1") = "6"
    & skf21("3","4","6","7","5","6","3","1") = "6"
    & skf21("3","4","6","7","5","6","4","1") = "6"
    & skf21("3","4","6","7","5","6","5","1") = "6"
    & skf21("3","4","6","7","5","6","6","1") = "6"
    & skf21("3","4","6","7","5","6","7","1") = "6"
    & skf21("3","4","6","7","5","7","1","1") = "6"
    & skf21("3","4","6","7","5","7","2","1") = "6"
    & skf21("3","4","6","7","5","7","3","1") = "6"
    & skf21("3","4","6","7","5","7","4","1") = "6"
    & skf21("3","4","6","7","5","7","5","1") = "6"
    & skf21("3","4","6","7","5","7","6","1") = "6"
    & skf21("3","4","6","7","5","7","7","1") = "6"
    & skf21("3","4","6","7","6","1","1","1") = "6"
    & skf21("3","4","6","7","6","1","2","1") = "6"
    & skf21("3","4","6","7","6","1","3","1") = "6"
    & skf21("3","4","6","7","6","1","4","1") = "6"
    & skf21("3","4","6","7","6","1","5","1") = "6"
    & skf21("3","4","6","7","6","1","6","1") = "6"
    & skf21("3","4","6","7","6","1","7","1") = "6"
    & skf21("3","4","6","7","6","2","1","1") = "6"
    & skf21("3","4","6","7","6","2","2","1") = "6"
    & skf21("3","4","6","7","6","2","3","1") = "6"
    & skf21("3","4","6","7","6","2","4","1") = "6"
    & skf21("3","4","6","7","6","2","5","1") = "6"
    & skf21("3","4","6","7","6","2","6","1") = "6"
    & skf21("3","4","6","7","6","2","7","1") = "6"
    & skf21("3","4","6","7","6","3","1","1") = "6"
    & skf21("3","4","6","7","6","3","2","1") = "6"
    & skf21("3","4","6","7","6","3","3","1") = "6"
    & skf21("3","4","6","7","6","3","4","1") = "6"
    & skf21("3","4","6","7","6","3","5","1") = "6"
    & skf21("3","4","6","7","6","3","6","1") = "6"
    & skf21("3","4","6","7","6","3","7","1") = "6"
    & skf21("3","4","6","7","6","4","1","1") = "6"
    & skf21("3","4","6","7","6","4","2","1") = "6"
    & skf21("3","4","6","7","6","4","3","1") = "6"
    & skf21("3","4","6","7","6","4","4","1") = "6"
    & skf21("3","4","6","7","6","4","5","1") = "6"
    & skf21("3","4","6","7","6","4","6","1") = "6"
    & skf21("3","4","6","7","6","4","7","1") = "6"
    & skf21("3","4","6","7","6","5","1","1") = "6"
    & skf21("3","4","6","7","6","5","2","1") = "6"
    & skf21("3","4","6","7","6","5","3","1") = "6"
    & skf21("3","4","6","7","6","5","4","1") = "6"
    & skf21("3","4","6","7","6","5","5","1") = "6"
    & skf21("3","4","6","7","6","5","6","1") = "6"
    & skf21("3","4","6","7","6","5","7","1") = "6"
    & skf21("3","4","6","7","6","6","1","1") = "6"
    & skf21("3","4","6","7","6","6","2","1") = "6"
    & skf21("3","4","6","7","6","6","3","1") = "6"
    & skf21("3","4","6","7","6","6","4","1") = "6"
    & skf21("3","4","6","7","6","6","5","1") = "6"
    & skf21("3","4","6","7","6","6","6","1") = "6"
    & skf21("3","4","6","7","6","6","7","1") = "6"
    & skf21("3","4","6","7","6","7","1","1") = "6"
    & skf21("3","4","6","7","6","7","2","1") = "6"
    & skf21("3","4","6","7","6","7","3","1") = "6"
    & skf21("3","4","6","7","6","7","4","1") = "6"
    & skf21("3","4","6","7","6","7","5","1") = "6"
    & skf21("3","4","6","7","6","7","6","1") = "6"
    & skf21("3","4","6","7","6","7","7","1") = "6"
    & skf21("3","4","6","7","7","1","1","1") = "6"
    & skf21("3","4","6","7","7","1","2","1") = "6"
    & skf21("3","4","6","7","7","1","3","1") = "6"
    & skf21("3","4","6","7","7","1","4","1") = "6"
    & skf21("3","4","6","7","7","1","5","1") = "6"
    & skf21("3","4","6","7","7","1","6","1") = "6"
    & skf21("3","4","6","7","7","1","7","1") = "6"
    & skf21("3","4","6","7","7","2","1","1") = "6"
    & skf21("3","4","6","7","7","2","2","1") = "6"
    & skf21("3","4","6","7","7","2","3","1") = "6"
    & skf21("3","4","6","7","7","2","4","1") = "6"
    & skf21("3","4","6","7","7","2","5","1") = "6"
    & skf21("3","4","6","7","7","2","6","1") = "6"
    & skf21("3","4","6","7","7","2","7","1") = "6"
    & skf21("3","4","6","7","7","3","1","1") = "6"
    & skf21("3","4","6","7","7","3","2","1") = "6"
    & skf21("3","4","6","7","7","3","3","1") = "6"
    & skf21("3","4","6","7","7","3","4","1") = "6"
    & skf21("3","4","6","7","7","3","5","1") = "6"
    & skf21("3","4","6","7","7","3","6","1") = "6"
    & skf21("3","4","6","7","7","3","7","1") = "6"
    & skf21("3","4","6","7","7","4","1","1") = "6"
    & skf21("3","4","6","7","7","4","2","1") = "6"
    & skf21("3","4","6","7","7","4","3","1") = "6"
    & skf21("3","4","6","7","7","4","4","1") = "6"
    & skf21("3","4","6","7","7","4","5","1") = "6"
    & skf21("3","4","6","7","7","4","6","1") = "6"
    & skf21("3","4","6","7","7","4","7","1") = "6"
    & skf21("3","4","6","7","7","5","1","1") = "6"
    & skf21("3","4","6","7","7","5","2","1") = "6"
    & skf21("3","4","6","7","7","5","3","1") = "6"
    & skf21("3","4","6","7","7","5","4","1") = "6"
    & skf21("3","4","6","7","7","5","5","1") = "6"
    & skf21("3","4","6","7","7","5","6","1") = "6"
    & skf21("3","4","6","7","7","5","7","1") = "6"
    & skf21("3","4","6","7","7","6","1","1") = "6"
    & skf21("3","4","6","7","7","6","2","1") = "6"
    & skf21("3","4","6","7","7","6","3","1") = "6"
    & skf21("3","4","6","7","7","6","4","1") = "6"
    & skf21("3","4","6","7","7","6","5","1") = "6"
    & skf21("3","4","6","7","7","6","6","1") = "6"
    & skf21("3","4","6","7","7","6","7","1") = "6"
    & skf21("3","4","6","7","7","7","1","1") = "6"
    & skf21("3","4","6","7","7","7","2","1") = "6"
    & skf21("3","4","6","7","7","7","3","1") = "6"
    & skf21("3","4","6","7","7","7","4","1") = "6"
    & skf21("3","4","6","7","7","7","5","1") = "6"
    & skf21("3","4","6","7","7","7","6","1") = "6"
    & skf21("3","4","6","7","7","7","7","1") = "6"
    & skf21("3","4","7","1","1","1","1","1") = "6"
    & skf21("3","4","7","1","1","1","2","1") = "6"
    & skf21("3","4","7","1","1","1","3","1") = "6"
    & skf21("3","4","7","1","1","1","4","1") = "6"
    & skf21("3","4","7","1","1","1","5","1") = "6"
    & skf21("3","4","7","1","1","1","6","1") = "6"
    & skf21("3","4","7","1","1","1","7","1") = "6"
    & skf21("3","4","7","1","1","2","1","1") = "6"
    & skf21("3","4","7","1","1","2","2","1") = "6"
    & skf21("3","4","7","1","1","2","3","1") = "6"
    & skf21("3","4","7","1","1","2","4","1") = "6"
    & skf21("3","4","7","1","1","2","5","1") = "6"
    & skf21("3","4","7","1","1","2","6","1") = "6"
    & skf21("3","4","7","1","1","2","7","1") = "6"
    & skf21("3","4","7","1","1","3","1","1") = "6"
    & skf21("3","4","7","1","1","3","2","1") = "6"
    & skf21("3","4","7","1","1","3","3","1") = "6"
    & skf21("3","4","7","1","1","3","4","1") = "6"
    & skf21("3","4","7","1","1","3","5","1") = "6"
    & skf21("3","4","7","1","1","3","6","1") = "6"
    & skf21("3","4","7","1","1","3","7","1") = "6"
    & skf21("3","4","7","1","1","4","1","1") = "6"
    & skf21("3","4","7","1","1","4","2","1") = "6"
    & skf21("3","4","7","1","1","4","3","1") = "6"
    & skf21("3","4","7","1","1","4","4","1") = "6"
    & skf21("3","4","7","1","1","4","5","1") = "6"
    & skf21("3","4","7","1","1","4","6","1") = "6"
    & skf21("3","4","7","1","1","4","7","1") = "6"
    & skf21("3","4","7","1","1","5","1","1") = "6"
    & skf21("3","4","7","1","1","5","2","1") = "6"
    & skf21("3","4","7","1","1","5","3","1") = "6"
    & skf21("3","4","7","1","1","5","4","1") = "6"
    & skf21("3","4","7","1","1","5","5","1") = "6"
    & skf21("3","4","7","1","1","5","6","1") = "6"
    & skf21("3","4","7","1","1","5","7","1") = "6"
    & skf21("3","4","7","1","1","6","1","1") = "6"
    & skf21("3","4","7","1","1","6","2","1") = "6"
    & skf21("3","4","7","1","1","6","3","1") = "6"
    & skf21("3","4","7","1","1","6","4","1") = "6"
    & skf21("3","4","7","1","1","6","5","1") = "6"
    & skf21("3","4","7","1","1","6","6","1") = "6"
    & skf21("3","4","7","1","1","6","7","1") = "6"
    & skf21("3","4","7","1","1","7","1","1") = "6"
    & skf21("3","4","7","1","1","7","2","1") = "6"
    & skf21("3","4","7","1","1","7","3","1") = "6"
    & skf21("3","4","7","1","1","7","4","1") = "6"
    & skf21("3","4","7","1","1","7","5","1") = "6"
    & skf21("3","4","7","1","1","7","6","1") = "6"
    & skf21("3","4","7","1","1","7","7","1") = "6"
    & skf21("3","4","7","1","2","1","1","1") = "6"
    & skf21("3","4","7","1","2","1","2","1") = "6"
    & skf21("3","4","7","1","2","1","3","1") = "6"
    & skf21("3","4","7","1","2","1","4","1") = "6"
    & skf21("3","4","7","1","2","1","5","1") = "6"
    & skf21("3","4","7","1","2","1","6","1") = "6"
    & skf21("3","4","7","1","2","1","7","1") = "6"
    & skf21("3","4","7","1","2","2","1","1") = "6"
    & skf21("3","4","7","1","2","2","2","1") = "6"
    & skf21("3","4","7","1","2","2","3","1") = "6"
    & skf21("3","4","7","1","2","2","4","1") = "6"
    & skf21("3","4","7","1","2","2","5","1") = "6"
    & skf21("3","4","7","1","2","2","6","1") = "6"
    & skf21("3","4","7","1","2","2","7","1") = "6"
    & skf21("3","4","7","1","2","3","1","1") = "6"
    & skf21("3","4","7","1","2","3","2","1") = "6"
    & skf21("3","4","7","1","2","3","3","1") = "6"
    & skf21("3","4","7","1","2","3","4","1") = "6"
    & skf21("3","4","7","1","2","3","5","1") = "6"
    & skf21("3","4","7","1","2","3","6","1") = "6"
    & skf21("3","4","7","1","2","3","7","1") = "6"
    & skf21("3","4","7","1","2","4","1","1") = "6"
    & skf21("3","4","7","1","2","4","2","1") = "6"
    & skf21("3","4","7","1","2","4","3","1") = "6"
    & skf21("3","4","7","1","2","4","4","1") = "6"
    & skf21("3","4","7","1","2","4","5","1") = "6"
    & skf21("3","4","7","1","2","4","6","1") = "6"
    & skf21("3","4","7","1","2","4","7","1") = "6"
    & skf21("3","4","7","1","2","5","1","1") = "6"
    & skf21("3","4","7","1","2","5","2","1") = "6"
    & skf21("3","4","7","1","2","5","3","1") = "6"
    & skf21("3","4","7","1","2","5","4","1") = "6"
    & skf21("3","4","7","1","2","5","5","1") = "6"
    & skf21("3","4","7","1","2","5","6","1") = "6"
    & skf21("3","4","7","1","2","5","7","1") = "6"
    & skf21("3","4","7","1","2","6","1","1") = "6"
    & skf21("3","4","7","1","2","6","2","1") = "6"
    & skf21("3","4","7","1","2","6","3","1") = "6"
    & skf21("3","4","7","1","2","6","4","1") = "6"
    & skf21("3","4","7","1","2","6","5","1") = "6"
    & skf21("3","4","7","1","2","6","6","1") = "6"
    & skf21("3","4","7","1","2","6","7","1") = "6"
    & skf21("3","4","7","1","2","7","1","1") = "6"
    & skf21("3","4","7","1","2","7","2","1") = "6"
    & skf21("3","4","7","1","2","7","3","1") = "6"
    & skf21("3","4","7","1","2","7","4","1") = "6"
    & skf21("3","4","7","1","2","7","5","1") = "6"
    & skf21("3","4","7","1","2","7","6","1") = "6"
    & skf21("3","4","7","1","2","7","7","1") = "6"
    & skf21("3","4","7","1","3","1","1","1") = "6"
    & skf21("3","4","7","1","3","1","2","1") = "6"
    & skf21("3","4","7","1","3","1","3","1") = "6"
    & skf21("3","4","7","1","3","1","4","1") = "6"
    & skf21("3","4","7","1","3","1","5","1") = "6"
    & skf21("3","4","7","1","3","1","6","1") = "6"
    & skf21("3","4","7","1","3","1","7","1") = "6"
    & skf21("3","4","7","1","3","2","1","1") = "6"
    & skf21("3","4","7","1","3","2","2","1") = "6"
    & skf21("3","4","7","1","3","2","3","1") = "6"
    & skf21("3","4","7","1","3","2","4","1") = "6"
    & skf21("3","4","7","1","3","2","5","1") = "6"
    & skf21("3","4","7","1","3","2","6","1") = "6"
    & skf21("3","4","7","1","3","2","7","1") = "6"
    & skf21("3","4","7","1","3","3","1","1") = "6"
    & skf21("3","4","7","1","3","3","2","1") = "6"
    & skf21("3","4","7","1","3","3","3","1") = "6"
    & skf21("3","4","7","1","3","3","4","1") = "6"
    & skf21("3","4","7","1","3","3","5","1") = "6"
    & skf21("3","4","7","1","3","3","6","1") = "6"
    & skf21("3","4","7","1","3","3","7","1") = "6"
    & skf21("3","4","7","1","3","4","1","1") = "6"
    & skf21("3","4","7","1","3","4","2","1") = "6"
    & skf21("3","4","7","1","3","4","3","1") = "6"
    & skf21("3","4","7","1","3","4","4","1") = "6"
    & skf21("3","4","7","1","3","4","5","1") = "6"
    & skf21("3","4","7","1","3","4","6","1") = "6"
    & skf21("3","4","7","1","3","4","7","1") = "6"
    & skf21("3","4","7","1","3","5","1","1") = "6"
    & skf21("3","4","7","1","3","5","2","1") = "6"
    & skf21("3","4","7","1","3","5","3","1") = "6"
    & skf21("3","4","7","1","3","5","4","1") = "6"
    & skf21("3","4","7","1","3","5","5","1") = "6"
    & skf21("3","4","7","1","3","5","6","1") = "6"
    & skf21("3","4","7","1","3","5","7","1") = "6"
    & skf21("3","4","7","1","3","6","1","1") = "6"
    & skf21("3","4","7","1","3","6","2","1") = "6"
    & skf21("3","4","7","1","3","6","3","1") = "6"
    & skf21("3","4","7","1","3","6","4","1") = "6"
    & skf21("3","4","7","1","3","6","5","1") = "6"
    & skf21("3","4","7","1","3","6","6","1") = "6"
    & skf21("3","4","7","1","3","6","7","1") = "6"
    & skf21("3","4","7","1","3","7","1","1") = "6"
    & skf21("3","4","7","1","3","7","2","1") = "6"
    & skf21("3","4","7","1","3","7","3","1") = "6"
    & skf21("3","4","7","1","3","7","4","1") = "6"
    & skf21("3","4","7","1","3","7","5","1") = "6"
    & skf21("3","4","7","1","3","7","6","1") = "6"
    & skf21("3","4","7","1","3","7","7","1") = "6"
    & skf21("3","4","7","1","4","1","1","1") = "6"
    & skf21("3","4","7","1","4","1","2","1") = "6"
    & skf21("3","4","7","1","4","1","3","1") = "6"
    & skf21("3","4","7","1","4","1","4","1") = "6"
    & skf21("3","4","7","1","4","1","5","1") = "6"
    & skf21("3","4","7","1","4","1","6","1") = "6"
    & skf21("3","4","7","1","4","1","7","1") = "6"
    & skf21("3","4","7","1","4","2","1","1") = "6"
    & skf21("3","4","7","1","4","2","2","1") = "6"
    & skf21("3","4","7","1","4","2","3","1") = "6"
    & skf21("3","4","7","1","4","2","4","1") = "6"
    & skf21("3","4","7","1","4","2","5","1") = "6"
    & skf21("3","4","7","1","4","2","6","1") = "6"
    & skf21("3","4","7","1","4","2","7","1") = "6"
    & skf21("3","4","7","1","4","3","1","1") = "6"
    & skf21("3","4","7","1","4","3","2","1") = "6"
    & skf21("3","4","7","1","4","3","3","1") = "6"
    & skf21("3","4","7","1","4","3","4","1") = "6"
    & skf21("3","4","7","1","4","3","5","1") = "6"
    & skf21("3","4","7","1","4","3","6","1") = "6"
    & skf21("3","4","7","1","4","3","7","1") = "6"
    & skf21("3","4","7","1","4","4","1","1") = "6"
    & skf21("3","4","7","1","4","4","2","1") = "6"
    & skf21("3","4","7","1","4","4","3","1") = "6"
    & skf21("3","4","7","1","4","4","4","1") = "6"
    & skf21("3","4","7","1","4","4","5","1") = "6"
    & skf21("3","4","7","1","4","4","6","1") = "6"
    & skf21("3","4","7","1","4","4","7","1") = "6"
    & skf21("3","4","7","1","4","5","1","1") = "6"
    & skf21("3","4","7","1","4","5","2","1") = "6"
    & skf21("3","4","7","1","4","5","3","1") = "6"
    & skf21("3","4","7","1","4","5","4","1") = "6"
    & skf21("3","4","7","1","4","5","5","1") = "6"
    & skf21("3","4","7","1","4","5","6","1") = "6"
    & skf21("3","4","7","1","4","5","7","1") = "6"
    & skf21("3","4","7","1","4","6","1","1") = "6"
    & skf21("3","4","7","1","4","6","2","1") = "6"
    & skf21("3","4","7","1","4","6","3","1") = "6"
    & skf21("3","4","7","1","4","6","4","1") = "6"
    & skf21("3","4","7","1","4","6","5","1") = "6"
    & skf21("3","4","7","1","4","6","6","1") = "6"
    & skf21("3","4","7","1","4","6","7","1") = "6"
    & skf21("3","4","7","1","4","7","1","1") = "6"
    & skf21("3","4","7","1","4","7","2","1") = "6"
    & skf21("3","4","7","1","4","7","3","1") = "6"
    & skf21("3","4","7","1","4","7","4","1") = "6"
    & skf21("3","4","7","1","4","7","5","1") = "6"
    & skf21("3","4","7","1","4","7","6","1") = "6"
    & skf21("3","4","7","1","4","7","7","1") = "6"
    & skf21("3","4","7","1","5","1","1","1") = "6"
    & skf21("3","4","7","1","5","1","2","1") = "6"
    & skf21("3","4","7","1","5","1","3","1") = "6"
    & skf21("3","4","7","1","5","1","4","1") = "6"
    & skf21("3","4","7","1","5","1","5","1") = "6"
    & skf21("3","4","7","1","5","1","6","1") = "6"
    & skf21("3","4","7","1","5","1","7","1") = "6"
    & skf21("3","4","7","1","5","2","1","1") = "6"
    & skf21("3","4","7","1","5","2","2","1") = "6"
    & skf21("3","4","7","1","5","2","3","1") = "6"
    & skf21("3","4","7","1","5","2","4","1") = "6"
    & skf21("3","4","7","1","5","2","5","1") = "6"
    & skf21("3","4","7","1","5","2","6","1") = "6"
    & skf21("3","4","7","1","5","2","7","1") = "6"
    & skf21("3","4","7","1","5","3","1","1") = "6"
    & skf21("3","4","7","1","5","3","2","1") = "6"
    & skf21("3","4","7","1","5","3","3","1") = "6"
    & skf21("3","4","7","1","5","3","4","1") = "6"
    & skf21("3","4","7","1","5","3","5","1") = "6"
    & skf21("3","4","7","1","5","3","6","1") = "6"
    & skf21("3","4","7","1","5","3","7","1") = "6"
    & skf21("3","4","7","1","5","4","1","1") = "6"
    & skf21("3","4","7","1","5","4","2","1") = "6"
    & skf21("3","4","7","1","5","4","3","1") = "6"
    & skf21("3","4","7","1","5","4","4","1") = "6"
    & skf21("3","4","7","1","5","4","5","1") = "6"
    & skf21("3","4","7","1","5","4","6","1") = "6"
    & skf21("3","4","7","1","5","4","7","1") = "6"
    & skf21("3","4","7","1","5","5","1","1") = "6"
    & skf21("3","4","7","1","5","5","2","1") = "6"
    & skf21("3","4","7","1","5","5","3","1") = "6"
    & skf21("3","4","7","1","5","5","4","1") = "6"
    & skf21("3","4","7","1","5","5","5","1") = "6"
    & skf21("3","4","7","1","5","5","6","1") = "6"
    & skf21("3","4","7","1","5","5","7","1") = "6"
    & skf21("3","4","7","1","5","6","1","1") = "6"
    & skf21("3","4","7","1","5","6","2","1") = "6"
    & skf21("3","4","7","1","5","6","3","1") = "6"
    & skf21("3","4","7","1","5","6","4","1") = "6"
    & skf21("3","4","7","1","5","6","5","1") = "6"
    & skf21("3","4","7","1","5","6","6","1") = "6"
    & skf21("3","4","7","1","5","6","7","1") = "6"
    & skf21("3","4","7","1","5","7","1","1") = "6"
    & skf21("3","4","7","1","5","7","2","1") = "6"
    & skf21("3","4","7","1","5","7","3","1") = "6"
    & skf21("3","4","7","1","5","7","4","1") = "6"
    & skf21("3","4","7","1","5","7","5","1") = "6"
    & skf21("3","4","7","1","5","7","6","1") = "6"
    & skf21("3","4","7","1","5","7","7","1") = "6"
    & skf21("3","4","7","1","6","1","1","1") = "6"
    & skf21("3","4","7","1","6","1","2","1") = "6"
    & skf21("3","4","7","1","6","1","3","1") = "6"
    & skf21("3","4","7","1","6","1","4","1") = "6"
    & skf21("3","4","7","1","6","1","5","1") = "6"
    & skf21("3","4","7","1","6","1","6","1") = "6"
    & skf21("3","4","7","1","6","1","7","1") = "6"
    & skf21("3","4","7","1","6","2","1","1") = "6"
    & skf21("3","4","7","1","6","2","2","1") = "6"
    & skf21("3","4","7","1","6","2","3","1") = "6"
    & skf21("3","4","7","1","6","2","4","1") = "6"
    & skf21("3","4","7","1","6","2","5","1") = "6"
    & skf21("3","4","7","1","6","2","6","1") = "6"
    & skf21("3","4","7","1","6","2","7","1") = "6"
    & skf21("3","4","7","1","6","3","1","1") = "6"
    & skf21("3","4","7","1","6","3","2","1") = "6"
    & skf21("3","4","7","1","6","3","3","1") = "6"
    & skf21("3","4","7","1","6","3","4","1") = "6"
    & skf21("3","4","7","1","6","3","5","1") = "6"
    & skf21("3","4","7","1","6","3","6","1") = "6"
    & skf21("3","4","7","1","6","3","7","1") = "6"
    & skf21("3","4","7","1","6","4","1","1") = "6"
    & skf21("3","4","7","1","6","4","2","1") = "6"
    & skf21("3","4","7","1","6","4","3","1") = "6"
    & skf21("3","4","7","1","6","4","4","1") = "6"
    & skf21("3","4","7","1","6","4","5","1") = "6"
    & skf21("3","4","7","1","6","4","6","1") = "6"
    & skf21("3","4","7","1","6","4","7","1") = "6"
    & skf21("3","4","7","1","6","5","1","1") = "6"
    & skf21("3","4","7","1","6","5","2","1") = "6"
    & skf21("3","4","7","1","6","5","3","1") = "6"
    & skf21("3","4","7","1","6","5","4","1") = "6"
    & skf21("3","4","7","1","6","5","5","1") = "6"
    & skf21("3","4","7","1","6","5","6","1") = "6"
    & skf21("3","4","7","1","6","5","7","1") = "6"
    & skf21("3","4","7","1","6","6","1","1") = "6"
    & skf21("3","4","7","1","6","6","2","1") = "6"
    & skf21("3","4","7","1","6","6","3","1") = "6"
    & skf21("3","4","7","1","6","6","4","1") = "6"
    & skf21("3","4","7","1","6","6","5","1") = "6"
    & skf21("3","4","7","1","6","6","6","1") = "6"
    & skf21("3","4","7","1","6","6","7","1") = "6"
    & skf21("3","4","7","1","6","7","1","1") = "6"
    & skf21("3","4","7","1","6","7","2","1") = "6"
    & skf21("3","4","7","1","6","7","3","1") = "6"
    & skf21("3","4","7","1","6","7","4","1") = "6"
    & skf21("3","4","7","1","6","7","5","1") = "6"
    & skf21("3","4","7","1","6","7","6","1") = "6"
    & skf21("3","4","7","1","6","7","7","1") = "6"
    & skf21("3","4","7","1","7","1","1","1") = "6"
    & skf21("3","4","7","1","7","1","2","1") = "6"
    & skf21("3","4","7","1","7","1","3","1") = "6"
    & skf21("3","4","7","1","7","1","4","1") = "6"
    & skf21("3","4","7","1","7","1","5","1") = "6"
    & skf21("3","4","7","1","7","1","6","1") = "6"
    & skf21("3","4","7","1","7","1","7","1") = "6"
    & skf21("3","4","7","1","7","2","1","1") = "6"
    & skf21("3","4","7","1","7","2","2","1") = "6"
    & skf21("3","4","7","1","7","2","3","1") = "6"
    & skf21("3","4","7","1","7","2","4","1") = "6"
    & skf21("3","4","7","1","7","2","5","1") = "6"
    & skf21("3","4","7","1","7","2","6","1") = "6"
    & skf21("3","4","7","1","7","2","7","1") = "6"
    & skf21("3","4","7","1","7","3","1","1") = "6"
    & skf21("3","4","7","1","7","3","2","1") = "6"
    & skf21("3","4","7","1","7","3","3","1") = "6"
    & skf21("3","4","7","1","7","3","4","1") = "6"
    & skf21("3","4","7","1","7","3","5","1") = "6"
    & skf21("3","4","7","1","7","3","6","1") = "6"
    & skf21("3","4","7","1","7","3","7","1") = "6"
    & skf21("3","4","7","1","7","4","1","1") = "6"
    & skf21("3","4","7","1","7","4","2","1") = "6"
    & skf21("3","4","7","1","7","4","3","1") = "6"
    & skf21("3","4","7","1","7","4","4","1") = "6"
    & skf21("3","4","7","1","7","4","5","1") = "6"
    & skf21("3","4","7","1","7","4","6","1") = "6"
    & skf21("3","4","7","1","7","4","7","1") = "6"
    & skf21("3","4","7","1","7","5","1","1") = "6"
    & skf21("3","4","7","1","7","5","2","1") = "6"
    & skf21("3","4","7","1","7","5","3","1") = "6"
    & skf21("3","4","7","1","7","5","4","1") = "6"
    & skf21("3","4","7","1","7","5","5","1") = "6"
    & skf21("3","4","7","1","7","5","6","1") = "6"
    & skf21("3","4","7","1","7","5","7","1") = "6"
    & skf21("3","4","7","1","7","6","1","1") = "6"
    & skf21("3","4","7","1","7","6","2","1") = "6"
    & skf21("3","4","7","1","7","6","3","1") = "6"
    & skf21("3","4","7","1","7","6","4","1") = "6"
    & skf21("3","4","7","1","7","6","5","1") = "6"
    & skf21("3","4","7","1","7","6","6","1") = "6"
    & skf21("3","4","7","1","7","6","7","1") = "6"
    & skf21("3","4","7","1","7","7","1","1") = "6"
    & skf21("3","4","7","1","7","7","2","1") = "6"
    & skf21("3","4","7","1","7","7","3","1") = "6"
    & skf21("3","4","7","1","7","7","4","1") = "6"
    & skf21("3","4","7","1","7","7","5","1") = "6"
    & skf21("3","4","7","1","7","7","6","1") = "6"
    & skf21("3","4","7","1","7","7","7","1") = "6"
    & skf21("3","4","7","2","1","1","1","1") = "6"
    & skf21("3","4","7","2","1","1","2","1") = "6"
    & skf21("3","4","7","2","1","1","3","1") = "6"
    & skf21("3","4","7","2","1","1","4","1") = "6"
    & skf21("3","4","7","2","1","1","5","1") = "6"
    & skf21("3","4","7","2","1","1","6","1") = "6"
    & skf21("3","4","7","2","1","1","7","1") = "6"
    & skf21("3","4","7","2","1","2","1","1") = "6"
    & skf21("3","4","7","2","1","2","2","1") = "6"
    & skf21("3","4","7","2","1","2","3","1") = "6"
    & skf21("3","4","7","2","1","2","4","1") = "6"
    & skf21("3","4","7","2","1","2","5","1") = "6"
    & skf21("3","4","7","2","1","2","6","1") = "6"
    & skf21("3","4","7","2","1","2","7","1") = "6"
    & skf21("3","4","7","2","1","3","1","1") = "6"
    & skf21("3","4","7","2","1","3","2","1") = "6"
    & skf21("3","4","7","2","1","3","3","1") = "6"
    & skf21("3","4","7","2","1","3","4","1") = "6"
    & skf21("3","4","7","2","1","3","5","1") = "6"
    & skf21("3","4","7","2","1","3","6","1") = "6"
    & skf21("3","4","7","2","1","3","7","1") = "6"
    & skf21("3","4","7","2","1","4","1","1") = "6"
    & skf21("3","4","7","2","1","4","2","1") = "6"
    & skf21("3","4","7","2","1","4","3","1") = "6"
    & skf21("3","4","7","2","1","4","4","1") = "6"
    & skf21("3","4","7","2","1","4","5","1") = "6"
    & skf21("3","4","7","2","1","4","6","1") = "6"
    & skf21("3","4","7","2","1","4","7","1") = "6"
    & skf21("3","4","7","2","1","5","1","1") = "6"
    & skf21("3","4","7","2","1","5","2","1") = "6"
    & skf21("3","4","7","2","1","5","3","1") = "6"
    & skf21("3","4","7","2","1","5","4","1") = "6"
    & skf21("3","4","7","2","1","5","5","1") = "6"
    & skf21("3","4","7","2","1","5","6","1") = "6"
    & skf21("3","4","7","2","1","5","7","1") = "6"
    & skf21("3","4","7","2","1","6","1","1") = "6"
    & skf21("3","4","7","2","1","6","2","1") = "6"
    & skf21("3","4","7","2","1","6","3","1") = "6"
    & skf21("3","4","7","2","1","6","4","1") = "6"
    & skf21("3","4","7","2","1","6","5","1") = "6"
    & skf21("3","4","7","2","1","6","6","1") = "6"
    & skf21("3","4","7","2","1","6","7","1") = "6"
    & skf21("3","4","7","2","1","7","1","1") = "6"
    & skf21("3","4","7","2","1","7","2","1") = "6"
    & skf21("3","4","7","2","1","7","3","1") = "6"
    & skf21("3","4","7","2","1","7","4","1") = "6"
    & skf21("3","4","7","2","1","7","5","1") = "6"
    & skf21("3","4","7","2","1","7","6","1") = "6"
    & skf21("3","4","7","2","1","7","7","1") = "6"
    & skf21("3","4","7","2","2","1","1","1") = "6"
    & skf21("3","4","7","2","2","1","2","1") = "6"
    & skf21("3","4","7","2","2","1","3","1") = "6"
    & skf21("3","4","7","2","2","1","4","1") = "6"
    & skf21("3","4","7","2","2","1","5","1") = "6"
    & skf21("3","4","7","2","2","1","6","1") = "6"
    & skf21("3","4","7","2","2","1","7","1") = "6"
    & skf21("3","4","7","2","2","2","1","1") = "6"
    & skf21("3","4","7","2","2","2","2","1") = "6"
    & skf21("3","4","7","2","2","2","3","1") = "6"
    & skf21("3","4","7","2","2","2","4","1") = "6"
    & skf21("3","4","7","2","2","2","5","1") = "6"
    & skf21("3","4","7","2","2","2","6","1") = "6"
    & skf21("3","4","7","2","2","2","7","1") = "6"
    & skf21("3","4","7","2","2","3","1","1") = "6"
    & skf21("3","4","7","2","2","3","2","1") = "6"
    & skf21("3","4","7","2","2","3","3","1") = "6"
    & skf21("3","4","7","2","2","3","4","1") = "6"
    & skf21("3","4","7","2","2","3","5","1") = "6"
    & skf21("3","4","7","2","2","3","6","1") = "6"
    & skf21("3","4","7","2","2","3","7","1") = "6"
    & skf21("3","4","7","2","2","4","1","1") = "6"
    & skf21("3","4","7","2","2","4","2","1") = "6"
    & skf21("3","4","7","2","2","4","3","1") = "6"
    & skf21("3","4","7","2","2","4","4","1") = "6"
    & skf21("3","4","7","2","2","4","5","1") = "6"
    & skf21("3","4","7","2","2","4","6","1") = "6"
    & skf21("3","4","7","2","2","4","7","1") = "6"
    & skf21("3","4","7","2","2","5","1","1") = "6"
    & skf21("3","4","7","2","2","5","2","1") = "6"
    & skf21("3","4","7","2","2","5","3","1") = "6"
    & skf21("3","4","7","2","2","5","4","1") = "6"
    & skf21("3","4","7","2","2","5","5","1") = "6"
    & skf21("3","4","7","2","2","5","6","1") = "6"
    & skf21("3","4","7","2","2","5","7","1") = "6"
    & skf21("3","4","7","2","2","6","1","1") = "6"
    & skf21("3","4","7","2","2","6","2","1") = "6"
    & skf21("3","4","7","2","2","6","3","1") = "6"
    & skf21("3","4","7","2","2","6","4","1") = "6"
    & skf21("3","4","7","2","2","6","5","1") = "6"
    & skf21("3","4","7","2","2","6","6","1") = "6"
    & skf21("3","4","7","2","2","6","7","1") = "6"
    & skf21("3","4","7","2","2","7","1","1") = "6"
    & skf21("3","4","7","2","2","7","2","1") = "6"
    & skf21("3","4","7","2","2","7","3","1") = "6"
    & skf21("3","4","7","2","2","7","4","1") = "6"
    & skf21("3","4","7","2","2","7","5","1") = "6"
    & skf21("3","4","7","2","2","7","6","1") = "6"
    & skf21("3","4","7","2","2","7","7","1") = "6"
    & skf21("3","4","7","2","3","1","1","1") = "6"
    & skf21("3","4","7","2","3","1","2","1") = "6"
    & skf21("3","4","7","2","3","1","3","1") = "6"
    & skf21("3","4","7","2","3","1","4","1") = "6"
    & skf21("3","4","7","2","3","1","5","1") = "6"
    & skf21("3","4","7","2","3","1","6","1") = "6"
    & skf21("3","4","7","2","3","1","7","1") = "6"
    & skf21("3","4","7","2","3","2","1","1") = "6"
    & skf21("3","4","7","2","3","2","2","1") = "6"
    & skf21("3","4","7","2","3","2","3","1") = "6"
    & skf21("3","4","7","2","3","2","4","1") = "6"
    & skf21("3","4","7","2","3","2","5","1") = "6"
    & skf21("3","4","7","2","3","2","6","1") = "6"
    & skf21("3","4","7","2","3","2","7","1") = "6"
    & skf21("3","4","7","2","3","3","1","1") = "6"
    & skf21("3","4","7","2","3","3","2","1") = "6"
    & skf21("3","4","7","2","3","3","3","1") = "6"
    & skf21("3","4","7","2","3","3","4","1") = "6"
    & skf21("3","4","7","2","3","3","5","1") = "6"
    & skf21("3","4","7","2","3","3","6","1") = "6"
    & skf21("3","4","7","2","3","3","7","1") = "6"
    & skf21("3","4","7","2","3","4","1","1") = "6"
    & skf21("3","4","7","2","3","4","2","1") = "6"
    & skf21("3","4","7","2","3","4","3","1") = "6"
    & skf21("3","4","7","2","3","4","4","1") = "6"
    & skf21("3","4","7","2","3","4","5","1") = "6"
    & skf21("3","4","7","2","3","4","6","1") = "6"
    & skf21("3","4","7","2","3","4","7","1") = "6"
    & skf21("3","4","7","2","3","5","1","1") = "6"
    & skf21("3","4","7","2","3","5","2","1") = "6"
    & skf21("3","4","7","2","3","5","3","1") = "6"
    & skf21("3","4","7","2","3","5","4","1") = "6"
    & skf21("3","4","7","2","3","5","5","1") = "6"
    & skf21("3","4","7","2","3","5","6","1") = "6"
    & skf21("3","4","7","2","3","5","7","1") = "6"
    & skf21("3","4","7","2","3","6","1","1") = "6"
    & skf21("3","4","7","2","3","6","2","1") = "6"
    & skf21("3","4","7","2","3","6","3","1") = "6"
    & skf21("3","4","7","2","3","6","4","1") = "6"
    & skf21("3","4","7","2","3","6","5","1") = "6"
    & skf21("3","4","7","2","3","6","6","1") = "6"
    & skf21("3","4","7","2","3","6","7","1") = "6"
    & skf21("3","4","7","2","3","7","1","1") = "6"
    & skf21("3","4","7","2","3","7","2","1") = "6"
    & skf21("3","4","7","2","3","7","3","1") = "6"
    & skf21("3","4","7","2","3","7","4","1") = "6"
    & skf21("3","4","7","2","3","7","5","1") = "6"
    & skf21("3","4","7","2","3","7","6","1") = "6"
    & skf21("3","4","7","2","3","7","7","1") = "6"
    & skf21("3","4","7","2","4","1","1","1") = "6"
    & skf21("3","4","7","2","4","1","2","1") = "6"
    & skf21("3","4","7","2","4","1","3","1") = "6"
    & skf21("3","4","7","2","4","1","4","1") = "6"
    & skf21("3","4","7","2","4","1","5","1") = "6"
    & skf21("3","4","7","2","4","1","6","1") = "6"
    & skf21("3","4","7","2","4","1","7","1") = "6"
    & skf21("3","4","7","2","4","2","1","1") = "6"
    & skf21("3","4","7","2","4","2","2","1") = "6"
    & skf21("3","4","7","2","4","2","3","1") = "6"
    & skf21("3","4","7","2","4","2","4","1") = "6"
    & skf21("3","4","7","2","4","2","5","1") = "6"
    & skf21("3","4","7","2","4","2","6","1") = "6"
    & skf21("3","4","7","2","4","2","7","1") = "6"
    & skf21("3","4","7","2","4","3","1","1") = "6"
    & skf21("3","4","7","2","4","3","2","1") = "6"
    & skf21("3","4","7","2","4","3","3","1") = "6"
    & skf21("3","4","7","2","4","3","4","1") = "6"
    & skf21("3","4","7","2","4","3","5","1") = "6"
    & skf21("3","4","7","2","4","3","6","1") = "6"
    & skf21("3","4","7","2","4","3","7","1") = "6"
    & skf21("3","4","7","2","4","4","1","1") = "6"
    & skf21("3","4","7","2","4","4","2","1") = "6"
    & skf21("3","4","7","2","4","4","3","1") = "6"
    & skf21("3","4","7","2","4","4","4","1") = "6"
    & skf21("3","4","7","2","4","4","5","1") = "6"
    & skf21("3","4","7","2","4","4","6","1") = "6"
    & skf21("3","4","7","2","4","4","7","1") = "6"
    & skf21("3","4","7","2","4","5","1","1") = "6"
    & skf21("3","4","7","2","4","5","2","1") = "6"
    & skf21("3","4","7","2","4","5","3","1") = "6"
    & skf21("3","4","7","2","4","5","4","1") = "6"
    & skf21("3","4","7","2","4","5","5","1") = "6"
    & skf21("3","4","7","2","4","5","6","1") = "6"
    & skf21("3","4","7","2","4","5","7","1") = "6"
    & skf21("3","4","7","2","4","6","1","1") = "6"
    & skf21("3","4","7","2","4","6","2","1") = "6"
    & skf21("3","4","7","2","4","6","3","1") = "6"
    & skf21("3","4","7","2","4","6","4","1") = "6"
    & skf21("3","4","7","2","4","6","5","1") = "6"
    & skf21("3","4","7","2","4","6","6","1") = "6"
    & skf21("3","4","7","2","4","6","7","1") = "6"
    & skf21("3","4","7","2","4","7","1","1") = "6"
    & skf21("3","4","7","2","4","7","2","1") = "6"
    & skf21("3","4","7","2","4","7","3","1") = "6"
    & skf21("3","4","7","2","4","7","4","1") = "6"
    & skf21("3","4","7","2","4","7","5","1") = "6"
    & skf21("3","4","7","2","4","7","6","1") = "6"
    & skf21("3","4","7","2","4","7","7","1") = "6"
    & skf21("3","4","7","2","5","1","1","1") = "6"
    & skf21("3","4","7","2","5","1","2","1") = "6"
    & skf21("3","4","7","2","5","1","3","1") = "6"
    & skf21("3","4","7","2","5","1","4","1") = "6"
    & skf21("3","4","7","2","5","1","5","1") = "6"
    & skf21("3","4","7","2","5","1","6","1") = "6"
    & skf21("3","4","7","2","5","1","7","1") = "6"
    & skf21("3","4","7","2","5","2","1","1") = "6"
    & skf21("3","4","7","2","5","2","2","1") = "6"
    & skf21("3","4","7","2","5","2","3","1") = "6"
    & skf21("3","4","7","2","5","2","4","1") = "6"
    & skf21("3","4","7","2","5","2","5","1") = "6"
    & skf21("3","4","7","2","5","2","6","1") = "6"
    & skf21("3","4","7","2","5","2","7","1") = "6"
    & skf21("3","4","7","2","5","3","1","1") = "6"
    & skf21("3","4","7","2","5","3","2","1") = "6"
    & skf21("3","4","7","2","5","3","3","1") = "6"
    & skf21("3","4","7","2","5","3","4","1") = "6"
    & skf21("3","4","7","2","5","3","5","1") = "6"
    & skf21("3","4","7","2","5","3","6","1") = "6"
    & skf21("3","4","7","2","5","3","7","1") = "6"
    & skf21("3","4","7","2","5","4","1","1") = "6"
    & skf21("3","4","7","2","5","4","2","1") = "6"
    & skf21("3","4","7","2","5","4","3","1") = "6"
    & skf21("3","4","7","2","5","4","4","1") = "6"
    & skf21("3","4","7","2","5","4","5","1") = "6"
    & skf21("3","4","7","2","5","4","6","1") = "6"
    & skf21("3","4","7","2","5","4","7","1") = "6"
    & skf21("3","4","7","2","5","5","1","1") = "6"
    & skf21("3","4","7","2","5","5","2","1") = "6"
    & skf21("3","4","7","2","5","5","3","1") = "6"
    & skf21("3","4","7","2","5","5","4","1") = "6"
    & skf21("3","4","7","2","5","5","5","1") = "6"
    & skf21("3","4","7","2","5","5","6","1") = "6"
    & skf21("3","4","7","2","5","5","7","1") = "6"
    & skf21("3","4","7","2","5","6","1","1") = "6"
    & skf21("3","4","7","2","5","6","2","1") = "6"
    & skf21("3","4","7","2","5","6","3","1") = "6"
    & skf21("3","4","7","2","5","6","4","1") = "6"
    & skf21("3","4","7","2","5","6","5","1") = "6"
    & skf21("3","4","7","2","5","6","6","1") = "6"
    & skf21("3","4","7","2","5","6","7","1") = "6"
    & skf21("3","4","7","2","5","7","1","1") = "6"
    & skf21("3","4","7","2","5","7","2","1") = "6"
    & skf21("3","4","7","2","5","7","3","1") = "6"
    & skf21("3","4","7","2","5","7","4","1") = "6"
    & skf21("3","4","7","2","5","7","5","1") = "6"
    & skf21("3","4","7","2","5","7","6","1") = "6"
    & skf21("3","4","7","2","5","7","7","1") = "6"
    & skf21("3","4","7","2","6","1","1","1") = "6"
    & skf21("3","4","7","2","6","1","2","1") = "6"
    & skf21("3","4","7","2","6","1","3","1") = "6"
    & skf21("3","4","7","2","6","1","4","1") = "6"
    & skf21("3","4","7","2","6","1","5","1") = "6"
    & skf21("3","4","7","2","6","1","6","1") = "6"
    & skf21("3","4","7","2","6","1","7","1") = "6"
    & skf21("3","4","7","2","6","2","1","1") = "6"
    & skf21("3","4","7","2","6","2","2","1") = "6"
    & skf21("3","4","7","2","6","2","3","1") = "6"
    & skf21("3","4","7","2","6","2","4","1") = "6"
    & skf21("3","4","7","2","6","2","5","1") = "6"
    & skf21("3","4","7","2","6","2","6","1") = "6"
    & skf21("3","4","7","2","6","2","7","1") = "6"
    & skf21("3","4","7","2","6","3","1","1") = "6"
    & skf21("3","4","7","2","6","3","2","1") = "6"
    & skf21("3","4","7","2","6","3","3","1") = "6"
    & skf21("3","4","7","2","6","3","4","1") = "6"
    & skf21("3","4","7","2","6","3","5","1") = "6"
    & skf21("3","4","7","2","6","3","6","1") = "6"
    & skf21("3","4","7","2","6","3","7","1") = "6"
    & skf21("3","4","7","2","6","4","1","1") = "6"
    & skf21("3","4","7","2","6","4","2","1") = "6"
    & skf21("3","4","7","2","6","4","3","1") = "6"
    & skf21("3","4","7","2","6","4","4","1") = "6"
    & skf21("3","4","7","2","6","4","5","1") = "6"
    & skf21("3","4","7","2","6","4","6","1") = "6"
    & skf21("3","4","7","2","6","4","7","1") = "6"
    & skf21("3","4","7","2","6","5","1","1") = "6"
    & skf21("3","4","7","2","6","5","2","1") = "6"
    & skf21("3","4","7","2","6","5","3","1") = "6"
    & skf21("3","4","7","2","6","5","4","1") = "6"
    & skf21("3","4","7","2","6","5","5","1") = "6"
    & skf21("3","4","7","2","6","5","6","1") = "6"
    & skf21("3","4","7","2","6","5","7","1") = "6"
    & skf21("3","4","7","2","6","6","1","1") = "6"
    & skf21("3","4","7","2","6","6","2","1") = "6"
    & skf21("3","4","7","2","6","6","3","1") = "6"
    & skf21("3","4","7","2","6","6","4","1") = "6"
    & skf21("3","4","7","2","6","6","5","1") = "6"
    & skf21("3","4","7","2","6","6","6","1") = "6"
    & skf21("3","4","7","2","6","6","7","1") = "6"
    & skf21("3","4","7","2","6","7","1","1") = "6"
    & skf21("3","4","7","2","6","7","2","1") = "6"
    & skf21("3","4","7","2","6","7","3","1") = "6"
    & skf21("3","4","7","2","6","7","4","1") = "6"
    & skf21("3","4","7","2","6","7","5","1") = "6"
    & skf21("3","4","7","2","6","7","6","1") = "6"
    & skf21("3","4","7","2","6","7","7","1") = "6"
    & skf21("3","4","7","2","7","1","1","1") = "6"
    & skf21("3","4","7","2","7","1","2","1") = "6"
    & skf21("3","4","7","2","7","1","3","1") = "6"
    & skf21("3","4","7","2","7","1","4","1") = "6"
    & skf21("3","4","7","2","7","1","5","1") = "6"
    & skf21("3","4","7","2","7","1","6","1") = "6"
    & skf21("3","4","7","2","7","1","7","1") = "6"
    & skf21("3","4","7","2","7","2","1","1") = "6"
    & skf21("3","4","7","2","7","2","2","1") = "6"
    & skf21("3","4","7","2","7","2","3","1") = "6"
    & skf21("3","4","7","2","7","2","4","1") = "6"
    & skf21("3","4","7","2","7","2","5","1") = "6"
    & skf21("3","4","7","2","7","2","6","1") = "6"
    & skf21("3","4","7","2","7","2","7","1") = "6"
    & skf21("3","4","7","2","7","3","1","1") = "6"
    & skf21("3","4","7","2","7","3","2","1") = "6"
    & skf21("3","4","7","2","7","3","3","1") = "6"
    & skf21("3","4","7","2","7","3","4","1") = "6"
    & skf21("3","4","7","2","7","3","5","1") = "6"
    & skf21("3","4","7","2","7","3","6","1") = "6"
    & skf21("3","4","7","2","7","3","7","1") = "6"
    & skf21("3","4","7","2","7","4","1","1") = "6"
    & skf21("3","4","7","2","7","4","2","1") = "6"
    & skf21("3","4","7","2","7","4","3","1") = "6"
    & skf21("3","4","7","2","7","4","4","1") = "6"
    & skf21("3","4","7","2","7","4","5","1") = "6"
    & skf21("3","4","7","2","7","4","6","1") = "6"
    & skf21("3","4","7","2","7","4","7","1") = "6"
    & skf21("3","4","7","2","7","5","1","1") = "6"
    & skf21("3","4","7","2","7","5","2","1") = "6"
    & skf21("3","4","7","2","7","5","3","1") = "6"
    & skf21("3","4","7","2","7","5","4","1") = "6"
    & skf21("3","4","7","2","7","5","5","1") = "6"
    & skf21("3","4","7","2","7","5","6","1") = "6"
    & skf21("3","4","7","2","7","5","7","1") = "6"
    & skf21("3","4","7","2","7","6","1","1") = "6"
    & skf21("3","4","7","2","7","6","2","1") = "6"
    & skf21("3","4","7","2","7","6","3","1") = "6"
    & skf21("3","4","7","2","7","6","4","1") = "6"
    & skf21("3","4","7","2","7","6","5","1") = "6"
    & skf21("3","4","7","2","7","6","6","1") = "6"
    & skf21("3","4","7","2","7","6","7","1") = "6"
    & skf21("3","4","7","2","7","7","1","1") = "6"
    & skf21("3","4","7","2","7","7","2","1") = "6"
    & skf21("3","4","7","2","7","7","3","1") = "6"
    & skf21("3","4","7","2","7","7","4","1") = "6"
    & skf21("3","4","7","2","7","7","5","1") = "6"
    & skf21("3","4","7","2","7","7","6","1") = "6"
    & skf21("3","4","7","2","7","7","7","1") = "6"
    & skf21("3","4","7","3","1","1","1","1") = "6"
    & skf21("3","4","7","3","1","1","2","1") = "6"
    & skf21("3","4","7","3","1","1","3","1") = "6"
    & skf21("3","4","7","3","1","1","4","1") = "6"
    & skf21("3","4","7","3","1","1","5","1") = "6"
    & skf21("3","4","7","3","1","1","6","1") = "6"
    & skf21("3","4","7","3","1","1","7","1") = "6"
    & skf21("3","4","7","3","1","2","1","1") = "6"
    & skf21("3","4","7","3","1","2","2","1") = "6"
    & skf21("3","4","7","3","1","2","3","1") = "6"
    & skf21("3","4","7","3","1","2","4","1") = "6"
    & skf21("3","4","7","3","1","2","5","1") = "6"
    & skf21("3","4","7","3","1","2","6","1") = "6"
    & skf21("3","4","7","3","1","2","7","1") = "6"
    & skf21("3","4","7","3","1","3","1","1") = "6"
    & skf21("3","4","7","3","1","3","2","1") = "6"
    & skf21("3","4","7","3","1","3","3","1") = "6"
    & skf21("3","4","7","3","1","3","4","1") = "6"
    & skf21("3","4","7","3","1","3","5","1") = "6"
    & skf21("3","4","7","3","1","3","6","1") = "6"
    & skf21("3","4","7","3","1","3","7","1") = "6"
    & skf21("3","4","7","3","1","4","1","1") = "6"
    & skf21("3","4","7","3","1","4","2","1") = "6"
    & skf21("3","4","7","3","1","4","3","1") = "6"
    & skf21("3","4","7","3","1","4","4","1") = "6"
    & skf21("3","4","7","3","1","4","5","1") = "6"
    & skf21("3","4","7","3","1","4","6","1") = "6"
    & skf21("3","4","7","3","1","4","7","1") = "6"
    & skf21("3","4","7","3","1","5","1","1") = "6"
    & skf21("3","4","7","3","1","5","2","1") = "6"
    & skf21("3","4","7","3","1","5","3","1") = "6"
    & skf21("3","4","7","3","1","5","4","1") = "6"
    & skf21("3","4","7","3","1","5","5","1") = "6"
    & skf21("3","4","7","3","1","5","6","1") = "6"
    & skf21("3","4","7","3","1","5","7","1") = "6"
    & skf21("3","4","7","3","1","6","1","1") = "6"
    & skf21("3","4","7","3","1","6","2","1") = "6"
    & skf21("3","4","7","3","1","6","3","1") = "6"
    & skf21("3","4","7","3","1","6","4","1") = "6"
    & skf21("3","4","7","3","1","6","5","1") = "6"
    & skf21("3","4","7","3","1","6","6","1") = "6"
    & skf21("3","4","7","3","1","6","7","1") = "6"
    & skf21("3","4","7","3","1","7","1","1") = "6"
    & skf21("3","4","7","3","1","7","2","1") = "6"
    & skf21("3","4","7","3","1","7","3","1") = "6"
    & skf21("3","4","7","3","1","7","4","1") = "6"
    & skf21("3","4","7","3","1","7","5","1") = "6"
    & skf21("3","4","7","3","1","7","6","1") = "6"
    & skf21("3","4","7","3","1","7","7","1") = "6"
    & skf21("3","4","7","3","2","1","1","1") = "6"
    & skf21("3","4","7","3","2","1","2","1") = "6"
    & skf21("3","4","7","3","2","1","3","1") = "6"
    & skf21("3","4","7","3","2","1","4","1") = "6"
    & skf21("3","4","7","3","2","1","5","1") = "6"
    & skf21("3","4","7","3","2","1","6","1") = "6"
    & skf21("3","4","7","3","2","1","7","1") = "6"
    & skf21("3","4","7","3","2","2","1","1") = "6"
    & skf21("3","4","7","3","2","2","2","1") = "6"
    & skf21("3","4","7","3","2","2","3","1") = "6"
    & skf21("3","4","7","3","2","2","4","1") = "6"
    & skf21("3","4","7","3","2","2","5","1") = "6"
    & skf21("3","4","7","3","2","2","6","1") = "6"
    & skf21("3","4","7","3","2","2","7","1") = "6"
    & skf21("3","4","7","3","2","3","1","1") = "6"
    & skf21("3","4","7","3","2","3","2","1") = "6"
    & skf21("3","4","7","3","2","3","3","1") = "6"
    & skf21("3","4","7","3","2","3","4","1") = "6"
    & skf21("3","4","7","3","2","3","5","1") = "6"
    & skf21("3","4","7","3","2","3","6","1") = "6"
    & skf21("3","4","7","3","2","3","7","1") = "6"
    & skf21("3","4","7","3","2","4","1","1") = "6"
    & skf21("3","4","7","3","2","4","2","1") = "6"
    & skf21("3","4","7","3","2","4","3","1") = "6"
    & skf21("3","4","7","3","2","4","4","1") = "6"
    & skf21("3","4","7","3","2","4","5","1") = "6"
    & skf21("3","4","7","3","2","4","6","1") = "6"
    & skf21("3","4","7","3","2","4","7","1") = "6"
    & skf21("3","4","7","3","2","5","1","1") = "6"
    & skf21("3","4","7","3","2","5","2","1") = "6"
    & skf21("3","4","7","3","2","5","3","1") = "6"
    & skf21("3","4","7","3","2","5","4","1") = "6"
    & skf21("3","4","7","3","2","5","5","1") = "6"
    & skf21("3","4","7","3","2","5","6","1") = "6"
    & skf21("3","4","7","3","2","5","7","1") = "6"
    & skf21("3","4","7","3","2","6","1","1") = "6"
    & skf21("3","4","7","3","2","6","2","1") = "6"
    & skf21("3","4","7","3","2","6","3","1") = "6"
    & skf21("3","4","7","3","2","6","4","1") = "6"
    & skf21("3","4","7","3","2","6","5","1") = "6"
    & skf21("3","4","7","3","2","6","6","1") = "6"
    & skf21("3","4","7","3","2","6","7","1") = "6"
    & skf21("3","4","7","3","2","7","1","1") = "6"
    & skf21("3","4","7","3","2","7","2","1") = "6"
    & skf21("3","4","7","3","2","7","3","1") = "6"
    & skf21("3","4","7","3","2","7","4","1") = "6"
    & skf21("3","4","7","3","2","7","5","1") = "6"
    & skf21("3","4","7","3","2","7","6","1") = "6"
    & skf21("3","4","7","3","2","7","7","1") = "6"
    & skf21("3","4","7","3","3","1","1","1") = "6"
    & skf21("3","4","7","3","3","1","2","1") = "6"
    & skf21("3","4","7","3","3","1","3","1") = "6"
    & skf21("3","4","7","3","3","1","4","1") = "6"
    & skf21("3","4","7","3","3","1","5","1") = "6"
    & skf21("3","4","7","3","3","1","6","1") = "6"
    & skf21("3","4","7","3","3","1","7","1") = "6"
    & skf21("3","4","7","3","3","2","1","1") = "6"
    & skf21("3","4","7","3","3","2","2","1") = "6"
    & skf21("3","4","7","3","3","2","3","1") = "6"
    & skf21("3","4","7","3","3","2","4","1") = "6"
    & skf21("3","4","7","3","3","2","5","1") = "6"
    & skf21("3","4","7","3","3","2","6","1") = "6"
    & skf21("3","4","7","3","3","2","7","1") = "6"
    & skf21("3","4","7","3","3","3","1","1") = "6"
    & skf21("3","4","7","3","3","3","2","1") = "6"
    & skf21("3","4","7","3","3","3","3","1") = "6"
    & skf21("3","4","7","3","3","3","4","1") = "6"
    & skf21("3","4","7","3","3","3","5","1") = "6"
    & skf21("3","4","7","3","3","3","6","1") = "6"
    & skf21("3","4","7","3","3","3","7","1") = "6"
    & skf21("3","4","7","3","3","4","1","1") = "6"
    & skf21("3","4","7","3","3","4","2","1") = "6"
    & skf21("3","4","7","3","3","4","3","1") = "6"
    & skf21("3","4","7","3","3","4","4","1") = "6"
    & skf21("3","4","7","3","3","4","5","1") = "6"
    & skf21("3","4","7","3","3","4","6","1") = "6"
    & skf21("3","4","7","3","3","4","7","1") = "6"
    & skf21("3","4","7","3","3","5","1","1") = "6"
    & skf21("3","4","7","3","3","5","2","1") = "6"
    & skf21("3","4","7","3","3","5","3","1") = "6"
    & skf21("3","4","7","3","3","5","4","1") = "6"
    & skf21("3","4","7","3","3","5","5","1") = "6"
    & skf21("3","4","7","3","3","5","6","1") = "6"
    & skf21("3","4","7","3","3","5","7","1") = "6"
    & skf21("3","4","7","3","3","6","1","1") = "6"
    & skf21("3","4","7","3","3","6","2","1") = "6"
    & skf21("3","4","7","3","3","6","3","1") = "6"
    & skf21("3","4","7","3","3","6","4","1") = "6"
    & skf21("3","4","7","3","3","6","5","1") = "6"
    & skf21("3","4","7","3","3","6","6","1") = "6"
    & skf21("3","4","7","3","3","6","7","1") = "6"
    & skf21("3","4","7","3","3","7","1","1") = "6"
    & skf21("3","4","7","3","3","7","2","1") = "6"
    & skf21("3","4","7","3","3","7","3","1") = "6"
    & skf21("3","4","7","3","3","7","4","1") = "6"
    & skf21("3","4","7","3","3","7","5","1") = "6"
    & skf21("3","4","7","3","3","7","6","1") = "6"
    & skf21("3","4","7","3","3","7","7","1") = "6"
    & skf21("3","4","7","3","4","1","1","1") = "6"
    & skf21("3","4","7","3","4","1","2","1") = "6"
    & skf21("3","4","7","3","4","1","3","1") = "6"
    & skf21("3","4","7","3","4","1","4","1") = "6"
    & skf21("3","4","7","3","4","1","5","1") = "6"
    & skf21("3","4","7","3","4","1","6","1") = "6"
    & skf21("3","4","7","3","4","1","7","1") = "6"
    & skf21("3","4","7","3","4","2","1","1") = "6"
    & skf21("3","4","7","3","4","2","2","1") = "6"
    & skf21("3","4","7","3","4","2","3","1") = "6"
    & skf21("3","4","7","3","4","2","4","1") = "6"
    & skf21("3","4","7","3","4","2","5","1") = "6"
    & skf21("3","4","7","3","4","2","6","1") = "6"
    & skf21("3","4","7","3","4","2","7","1") = "6"
    & skf21("3","4","7","3","4","3","1","1") = "6"
    & skf21("3","4","7","3","4","3","2","1") = "6"
    & skf21("3","4","7","3","4","3","3","1") = "6"
    & skf21("3","4","7","3","4","3","4","1") = "6"
    & skf21("3","4","7","3","4","3","5","1") = "6"
    & skf21("3","4","7","3","4","3","6","1") = "6"
    & skf21("3","4","7","3","4","3","7","1") = "6"
    & skf21("3","4","7","3","4","4","1","1") = "6"
    & skf21("3","4","7","3","4","4","2","1") = "6"
    & skf21("3","4","7","3","4","4","3","1") = "6"
    & skf21("3","4","7","3","4","4","4","1") = "6"
    & skf21("3","4","7","3","4","4","5","1") = "6"
    & skf21("3","4","7","3","4","4","6","1") = "6"
    & skf21("3","4","7","3","4","4","7","1") = "6"
    & skf21("3","4","7","3","4","5","1","1") = "6"
    & skf21("3","4","7","3","4","5","2","1") = "6"
    & skf21("3","4","7","3","4","5","3","1") = "6"
    & skf21("3","4","7","3","4","5","4","1") = "6"
    & skf21("3","4","7","3","4","5","5","1") = "6"
    & skf21("3","4","7","3","4","5","6","1") = "6"
    & skf21("3","4","7","3","4","5","7","1") = "6"
    & skf21("3","4","7","3","4","6","1","1") = "6"
    & skf21("3","4","7","3","4","6","2","1") = "6"
    & skf21("3","4","7","3","4","6","3","1") = "6"
    & skf21("3","4","7","3","4","6","4","1") = "6"
    & skf21("3","4","7","3","4","6","5","1") = "6"
    & skf21("3","4","7","3","4","6","6","1") = "6"
    & skf21("3","4","7","3","4","6","7","1") = "6"
    & skf21("3","4","7","3","4","7","1","1") = "6"
    & skf21("3","4","7","3","4","7","2","1") = "6"
    & skf21("3","4","7","3","4","7","3","1") = "6"
    & skf21("3","4","7","3","4","7","4","1") = "6"
    & skf21("3","4","7","3","4","7","5","1") = "6"
    & skf21("3","4","7","3","4","7","6","1") = "6"
    & skf21("3","4","7","3","4","7","7","1") = "6"
    & skf21("3","4","7","3","5","1","1","1") = "6"
    & skf21("3","4","7","3","5","1","2","1") = "6"
    & skf21("3","4","7","3","5","1","3","1") = "6"
    & skf21("3","4","7","3","5","1","4","1") = "6"
    & skf21("3","4","7","3","5","1","5","1") = "6"
    & skf21("3","4","7","3","5","1","6","1") = "6"
    & skf21("3","4","7","3","5","1","7","1") = "6"
    & skf21("3","4","7","3","5","2","1","1") = "6"
    & skf21("3","4","7","3","5","2","2","1") = "6"
    & skf21("3","4","7","3","5","2","3","1") = "6"
    & skf21("3","4","7","3","5","2","4","1") = "6"
    & skf21("3","4","7","3","5","2","5","1") = "6"
    & skf21("3","4","7","3","5","2","6","1") = "6"
    & skf21("3","4","7","3","5","2","7","1") = "6"
    & skf21("3","4","7","3","5","3","1","1") = "6"
    & skf21("3","4","7","3","5","3","2","1") = "6"
    & skf21("3","4","7","3","5","3","3","1") = "6"
    & skf21("3","4","7","3","5","3","4","1") = "6"
    & skf21("3","4","7","3","5","3","5","1") = "6"
    & skf21("3","4","7","3","5","3","6","1") = "6"
    & skf21("3","4","7","3","5","3","7","1") = "6"
    & skf21("3","4","7","3","5","4","1","1") = "6"
    & skf21("3","4","7","3","5","4","2","1") = "6"
    & skf21("3","4","7","3","5","4","3","1") = "6"
    & skf21("3","4","7","3","5","4","4","1") = "6"
    & skf21("3","4","7","3","5","4","5","1") = "6"
    & skf21("3","4","7","3","5","4","6","1") = "6"
    & skf21("3","4","7","3","5","4","7","1") = "6"
    & skf21("3","4","7","3","5","5","1","1") = "6"
    & skf21("3","4","7","3","5","5","2","1") = "6"
    & skf21("3","4","7","3","5","5","3","1") = "6"
    & skf21("3","4","7","3","5","5","4","1") = "6"
    & skf21("3","4","7","3","5","5","5","1") = "6"
    & skf21("3","4","7","3","5","5","6","1") = "6"
    & skf21("3","4","7","3","5","5","7","1") = "6"
    & skf21("3","4","7","3","5","6","1","1") = "6"
    & skf21("3","4","7","3","5","6","2","1") = "6"
    & skf21("3","4","7","3","5","6","3","1") = "6"
    & skf21("3","4","7","3","5","6","4","1") = "6"
    & skf21("3","4","7","3","5","6","5","1") = "6"
    & skf21("3","4","7","3","5","6","6","1") = "6"
    & skf21("3","4","7","3","5","6","7","1") = "6"
    & skf21("3","4","7","3","5","7","1","1") = "6"
    & skf21("3","4","7","3","5","7","2","1") = "6"
    & skf21("3","4","7","3","5","7","3","1") = "6"
    & skf21("3","4","7","3","5","7","4","1") = "6"
    & skf21("3","4","7","3","5","7","5","1") = "6"
    & skf21("3","4","7","3","5","7","6","1") = "6"
    & skf21("3","4","7","3","5","7","7","1") = "6"
    & skf21("3","4","7","3","6","1","1","1") = "6"
    & skf21("3","4","7","3","6","1","2","1") = "6"
    & skf21("3","4","7","3","6","1","3","1") = "6"
    & skf21("3","4","7","3","6","1","4","1") = "6"
    & skf21("3","4","7","3","6","1","5","1") = "6"
    & skf21("3","4","7","3","6","1","6","1") = "6"
    & skf21("3","4","7","3","6","1","7","1") = "6"
    & skf21("3","4","7","3","6","2","1","1") = "6"
    & skf21("3","4","7","3","6","2","2","1") = "6"
    & skf21("3","4","7","3","6","2","3","1") = "6"
    & skf21("3","4","7","3","6","2","4","1") = "6"
    & skf21("3","4","7","3","6","2","5","1") = "6"
    & skf21("3","4","7","3","6","2","6","1") = "6"
    & skf21("3","4","7","3","6","2","7","1") = "6"
    & skf21("3","4","7","3","6","3","1","1") = "6"
    & skf21("3","4","7","3","6","3","2","1") = "6"
    & skf21("3","4","7","3","6","3","3","1") = "6"
    & skf21("3","4","7","3","6","3","4","1") = "6"
    & skf21("3","4","7","3","6","3","5","1") = "6"
    & skf21("3","4","7","3","6","3","6","1") = "6"
    & skf21("3","4","7","3","6","3","7","1") = "6"
    & skf21("3","4","7","3","6","4","1","1") = "6"
    & skf21("3","4","7","3","6","4","2","1") = "6"
    & skf21("3","4","7","3","6","4","3","1") = "6"
    & skf21("3","4","7","3","6","4","4","1") = "6"
    & skf21("3","4","7","3","6","4","5","1") = "6"
    & skf21("3","4","7","3","6","4","6","1") = "6"
    & skf21("3","4","7","3","6","4","7","1") = "6"
    & skf21("3","4","7","3","6","5","1","1") = "6"
    & skf21("3","4","7","3","6","5","2","1") = "6"
    & skf21("3","4","7","3","6","5","3","1") = "6"
    & skf21("3","4","7","3","6","5","4","1") = "6"
    & skf21("3","4","7","3","6","5","5","1") = "6"
    & skf21("3","4","7","3","6","5","6","1") = "6"
    & skf21("3","4","7","3","6","5","7","1") = "6"
    & skf21("3","4","7","3","6","6","1","1") = "6"
    & skf21("3","4","7","3","6","6","2","1") = "6"
    & skf21("3","4","7","3","6","6","3","1") = "6"
    & skf21("3","4","7","3","6","6","4","1") = "6"
    & skf21("3","4","7","3","6","6","5","1") = "6"
    & skf21("3","4","7","3","6","6","6","1") = "6"
    & skf21("3","4","7","3","6","6","7","1") = "6"
    & skf21("3","4","7","3","6","7","1","1") = "6"
    & skf21("3","4","7","3","6","7","2","1") = "6"
    & skf21("3","4","7","3","6","7","3","1") = "6"
    & skf21("3","4","7","3","6","7","4","1") = "6"
    & skf21("3","4","7","3","6","7","5","1") = "6"
    & skf21("3","4","7","3","6","7","6","1") = "6"
    & skf21("3","4","7","3","6","7","7","1") = "6"
    & skf21("3","4","7","3","7","1","1","1") = "6"
    & skf21("3","4","7","3","7","1","2","1") = "6"
    & skf21("3","4","7","3","7","1","3","1") = "6"
    & skf21("3","4","7","3","7","1","4","1") = "6"
    & skf21("3","4","7","3","7","1","5","1") = "6"
    & skf21("3","4","7","3","7","1","6","1") = "6"
    & skf21("3","4","7","3","7","1","7","1") = "6"
    & skf21("3","4","7","3","7","2","1","1") = "6"
    & skf21("3","4","7","3","7","2","2","1") = "6"
    & skf21("3","4","7","3","7","2","3","1") = "6"
    & skf21("3","4","7","3","7","2","4","1") = "6"
    & skf21("3","4","7","3","7","2","5","1") = "6"
    & skf21("3","4","7","3","7","2","6","1") = "6"
    & skf21("3","4","7","3","7","2","7","1") = "6"
    & skf21("3","4","7","3","7","3","1","1") = "6"
    & skf21("3","4","7","3","7","3","2","1") = "6"
    & skf21("3","4","7","3","7","3","3","1") = "6"
    & skf21("3","4","7","3","7","3","4","1") = "6"
    & skf21("3","4","7","3","7","3","5","1") = "6"
    & skf21("3","4","7","3","7","3","6","1") = "6"
    & skf21("3","4","7","3","7","3","7","1") = "6"
    & skf21("3","4","7","3","7","4","1","1") = "6"
    & skf21("3","4","7","3","7","4","2","1") = "6"
    & skf21("3","4","7","3","7","4","3","1") = "6"
    & skf21("3","4","7","3","7","4","4","1") = "6"
    & skf21("3","4","7","3","7","4","5","1") = "6"
    & skf21("3","4","7","3","7","4","6","1") = "6"
    & skf21("3","4","7","3","7","4","7","1") = "6"
    & skf21("3","4","7","3","7","5","1","1") = "6"
    & skf21("3","4","7","3","7","5","2","1") = "6"
    & skf21("3","4","7","3","7","5","3","1") = "6"
    & skf21("3","4","7","3","7","5","4","1") = "6"
    & skf21("3","4","7","3","7","5","5","1") = "6"
    & skf21("3","4","7","3","7","5","6","1") = "6"
    & skf21("3","4","7","3","7","5","7","1") = "6"
    & skf21("3","4","7","3","7","6","1","1") = "6"
    & skf21("3","4","7","3","7","6","2","1") = "6"
    & skf21("3","4","7","3","7","6","3","1") = "6"
    & skf21("3","4","7","3","7","6","4","1") = "6"
    & skf21("3","4","7","3","7","6","5","1") = "6"
    & skf21("3","4","7","3","7","6","6","1") = "6"
    & skf21("3","4","7","3","7","6","7","1") = "6"
    & skf21("3","4","7","3","7","7","1","1") = "6"
    & skf21("3","4","7","3","7","7","2","1") = "6"
    & skf21("3","4","7","3","7","7","3","1") = "6"
    & skf21("3","4","7","3","7","7","4","1") = "6"
    & skf21("3","4","7","3","7","7","5","1") = "6"
    & skf21("3","4","7","3","7","7","6","1") = "6"
    & skf21("3","4","7","3","7","7","7","1") = "6"
    & skf21("3","4","7","4","1","1","1","1") = "6"
    & skf21("3","4","7","4","1","1","2","1") = "6"
    & skf21("3","4","7","4","1","1","3","1") = "6"
    & skf21("3","4","7","4","1","1","4","1") = "6"
    & skf21("3","4","7","4","1","1","5","1") = "6"
    & skf21("3","4","7","4","1","1","6","1") = "6"
    & skf21("3","4","7","4","1","1","7","1") = "6"
    & skf21("3","4","7","4","1","2","1","1") = "6"
    & skf21("3","4","7","4","1","2","2","1") = "6"
    & skf21("3","4","7","4","1","2","3","1") = "6"
    & skf21("3","4","7","4","1","2","4","1") = "6"
    & skf21("3","4","7","4","1","2","5","1") = "6"
    & skf21("3","4","7","4","1","2","6","1") = "6"
    & skf21("3","4","7","4","1","2","7","1") = "6"
    & skf21("3","4","7","4","1","3","1","1") = "6"
    & skf21("3","4","7","4","1","3","2","1") = "6"
    & skf21("3","4","7","4","1","3","3","1") = "6"
    & skf21("3","4","7","4","1","3","4","1") = "6"
    & skf21("3","4","7","4","1","3","5","1") = "6"
    & skf21("3","4","7","4","1","3","6","1") = "6"
    & skf21("3","4","7","4","1","3","7","1") = "6"
    & skf21("3","4","7","4","1","4","1","1") = "6"
    & skf21("3","4","7","4","1","4","2","1") = "6"
    & skf21("3","4","7","4","1","4","3","1") = "6"
    & skf21("3","4","7","4","1","4","4","1") = "6"
    & skf21("3","4","7","4","1","4","5","1") = "6"
    & skf21("3","4","7","4","1","4","6","1") = "6"
    & skf21("3","4","7","4","1","4","7","1") = "6"
    & skf21("3","4","7","4","1","5","1","1") = "6"
    & skf21("3","4","7","4","1","5","2","1") = "6"
    & skf21("3","4","7","4","1","5","3","1") = "6"
    & skf21("3","4","7","4","1","5","4","1") = "6"
    & skf21("3","4","7","4","1","5","5","1") = "6"
    & skf21("3","4","7","4","1","5","6","1") = "6"
    & skf21("3","4","7","4","1","5","7","1") = "6"
    & skf21("3","4","7","4","1","6","1","1") = "6"
    & skf21("3","4","7","4","1","6","2","1") = "6"
    & skf21("3","4","7","4","1","6","3","1") = "6"
    & skf21("3","4","7","4","1","6","4","1") = "6"
    & skf21("3","4","7","4","1","6","5","1") = "6"
    & skf21("3","4","7","4","1","6","6","1") = "6"
    & skf21("3","4","7","4","1","6","7","1") = "6"
    & skf21("3","4","7","4","1","7","1","1") = "6"
    & skf21("3","4","7","4","1","7","2","1") = "6"
    & skf21("3","4","7","4","1","7","3","1") = "6"
    & skf21("3","4","7","4","1","7","4","1") = "6"
    & skf21("3","4","7","4","1","7","5","1") = "6"
    & skf21("3","4","7","4","1","7","6","1") = "6"
    & skf21("3","4","7","4","1","7","7","1") = "6"
    & skf21("3","4","7","4","2","1","1","1") = "6"
    & skf21("3","4","7","4","2","1","2","1") = "6"
    & skf21("3","4","7","4","2","1","3","1") = "6"
    & skf21("3","4","7","4","2","1","4","1") = "6"
    & skf21("3","4","7","4","2","1","5","1") = "6"
    & skf21("3","4","7","4","2","1","6","1") = "6"
    & skf21("3","4","7","4","2","1","7","1") = "6"
    & skf21("3","4","7","4","2","2","1","1") = "6"
    & skf21("3","4","7","4","2","2","2","1") = "6"
    & skf21("3","4","7","4","2","2","3","1") = "6"
    & skf21("3","4","7","4","2","2","4","1") = "6"
    & skf21("3","4","7","4","2","2","5","1") = "6"
    & skf21("3","4","7","4","2","2","6","1") = "6"
    & skf21("3","4","7","4","2","2","7","1") = "6"
    & skf21("3","4","7","4","2","3","1","1") = "6"
    & skf21("3","4","7","4","2","3","2","1") = "6"
    & skf21("3","4","7","4","2","3","3","1") = "6"
    & skf21("3","4","7","4","2","3","4","1") = "6"
    & skf21("3","4","7","4","2","3","5","1") = "6"
    & skf21("3","4","7","4","2","3","6","1") = "6"
    & skf21("3","4","7","4","2","3","7","1") = "6"
    & skf21("3","4","7","4","2","4","1","1") = "6"
    & skf21("3","4","7","4","2","4","2","1") = "6"
    & skf21("3","4","7","4","2","4","3","1") = "6"
    & skf21("3","4","7","4","2","4","4","1") = "6"
    & skf21("3","4","7","4","2","4","5","1") = "6"
    & skf21("3","4","7","4","2","4","6","1") = "6"
    & skf21("3","4","7","4","2","4","7","1") = "6"
    & skf21("3","4","7","4","2","5","1","1") = "6"
    & skf21("3","4","7","4","2","5","2","1") = "6"
    & skf21("3","4","7","4","2","5","3","1") = "6"
    & skf21("3","4","7","4","2","5","4","1") = "6"
    & skf21("3","4","7","4","2","5","5","1") = "6"
    & skf21("3","4","7","4","2","5","6","1") = "6"
    & skf21("3","4","7","4","2","5","7","1") = "6"
    & skf21("3","4","7","4","2","6","1","1") = "6"
    & skf21("3","4","7","4","2","6","2","1") = "6"
    & skf21("3","4","7","4","2","6","3","1") = "6"
    & skf21("3","4","7","4","2","6","4","1") = "6"
    & skf21("3","4","7","4","2","6","5","1") = "6"
    & skf21("3","4","7","4","2","6","6","1") = "6"
    & skf21("3","4","7","4","2","6","7","1") = "6"
    & skf21("3","4","7","4","2","7","1","1") = "6"
    & skf21("3","4","7","4","2","7","2","1") = "6"
    & skf21("3","4","7","4","2","7","3","1") = "6"
    & skf21("3","4","7","4","2","7","4","1") = "6"
    & skf21("3","4","7","4","2","7","5","1") = "6"
    & skf21("3","4","7","4","2","7","6","1") = "6"
    & skf21("3","4","7","4","2","7","7","1") = "6"
    & skf21("3","4","7","4","3","1","1","1") = "6"
    & skf21("3","4","7","4","3","1","2","1") = "6"
    & skf21("3","4","7","4","3","1","3","1") = "6"
    & skf21("3","4","7","4","3","1","4","1") = "6"
    & skf21("3","4","7","4","3","1","5","1") = "6"
    & skf21("3","4","7","4","3","1","6","1") = "6"
    & skf21("3","4","7","4","3","1","7","1") = "6"
    & skf21("3","4","7","4","3","2","1","1") = "6"
    & skf21("3","4","7","4","3","2","2","1") = "6"
    & skf21("3","4","7","4","3","2","3","1") = "6"
    & skf21("3","4","7","4","3","2","4","1") = "6"
    & skf21("3","4","7","4","3","2","5","1") = "6"
    & skf21("3","4","7","4","3","2","6","1") = "6"
    & skf21("3","4","7","4","3","2","7","1") = "6"
    & skf21("3","4","7","4","3","3","1","1") = "6"
    & skf21("3","4","7","4","3","3","2","1") = "6"
    & skf21("3","4","7","4","3","3","3","1") = "6"
    & skf21("3","4","7","4","3","3","4","1") = "6"
    & skf21("3","4","7","4","3","3","5","1") = "6"
    & skf21("3","4","7","4","3","3","6","1") = "6"
    & skf21("3","4","7","4","3","3","7","1") = "6"
    & skf21("3","4","7","4","3","4","1","1") = "6"
    & skf21("3","4","7","4","3","4","2","1") = "6"
    & skf21("3","4","7","4","3","4","3","1") = "6"
    & skf21("3","4","7","4","3","4","4","1") = "6"
    & skf21("3","4","7","4","3","4","5","1") = "6"
    & skf21("3","4","7","4","3","4","6","1") = "6"
    & skf21("3","4","7","4","3","4","7","1") = "6"
    & skf21("3","4","7","4","3","5","1","1") = "6"
    & skf21("3","4","7","4","3","5","2","1") = "6"
    & skf21("3","4","7","4","3","5","3","1") = "6"
    & skf21("3","4","7","4","3","5","4","1") = "6"
    & skf21("3","4","7","4","3","5","5","1") = "6"
    & skf21("3","4","7","4","3","5","6","1") = "6"
    & skf21("3","4","7","4","3","5","7","1") = "6"
    & skf21("3","4","7","4","3","6","1","1") = "6"
    & skf21("3","4","7","4","3","6","2","1") = "6"
    & skf21("3","4","7","4","3","6","3","1") = "6"
    & skf21("3","4","7","4","3","6","4","1") = "6"
    & skf21("3","4","7","4","3","6","5","1") = "6"
    & skf21("3","4","7","4","3","6","6","1") = "6"
    & skf21("3","4","7","4","3","6","7","1") = "6"
    & skf21("3","4","7","4","3","7","1","1") = "6"
    & skf21("3","4","7","4","3","7","2","1") = "6"
    & skf21("3","4","7","4","3","7","3","1") = "6"
    & skf21("3","4","7","4","3","7","4","1") = "6"
    & skf21("3","4","7","4","3","7","5","1") = "6"
    & skf21("3","4","7","4","3","7","6","1") = "6"
    & skf21("3","4","7","4","3","7","7","1") = "6"
    & skf21("3","4","7","4","4","1","1","1") = "6"
    & skf21("3","4","7","4","4","1","2","1") = "6"
    & skf21("3","4","7","4","4","1","3","1") = "6"
    & skf21("3","4","7","4","4","1","4","1") = "6"
    & skf21("3","4","7","4","4","1","5","1") = "6"
    & skf21("3","4","7","4","4","1","6","1") = "6"
    & skf21("3","4","7","4","4","1","7","1") = "6"
    & skf21("3","4","7","4","4","2","1","1") = "6"
    & skf21("3","4","7","4","4","2","2","1") = "6"
    & skf21("3","4","7","4","4","2","3","1") = "6"
    & skf21("3","4","7","4","4","2","4","1") = "6"
    & skf21("3","4","7","4","4","2","5","1") = "6"
    & skf21("3","4","7","4","4","2","6","1") = "6"
    & skf21("3","4","7","4","4","2","7","1") = "6"
    & skf21("3","4","7","4","4","3","1","1") = "6"
    & skf21("3","4","7","4","4","3","2","1") = "6"
    & skf21("3","4","7","4","4","3","3","1") = "6"
    & skf21("3","4","7","4","4","3","4","1") = "6"
    & skf21("3","4","7","4","4","3","5","1") = "6"
    & skf21("3","4","7","4","4","3","6","1") = "6"
    & skf21("3","4","7","4","4","3","7","1") = "6"
    & skf21("3","4","7","4","4","4","1","1") = "6"
    & skf21("3","4","7","4","4","4","2","1") = "6"
    & skf21("3","4","7","4","4","4","3","1") = "6"
    & skf21("3","4","7","4","4","4","4","1") = "6"
    & skf21("3","4","7","4","4","4","5","1") = "6"
    & skf21("3","4","7","4","4","4","6","1") = "6"
    & skf21("3","4","7","4","4","4","7","1") = "6"
    & skf21("3","4","7","4","4","5","1","1") = "6"
    & skf21("3","4","7","4","4","5","2","1") = "6"
    & skf21("3","4","7","4","4","5","3","1") = "6"
    & skf21("3","4","7","4","4","5","4","1") = "6"
    & skf21("3","4","7","4","4","5","5","1") = "6"
    & skf21("3","4","7","4","4","5","6","1") = "6"
    & skf21("3","4","7","4","4","5","7","1") = "6"
    & skf21("3","4","7","4","4","6","1","1") = "6"
    & skf21("3","4","7","4","4","6","2","1") = "6"
    & skf21("3","4","7","4","4","6","3","1") = "6"
    & skf21("3","4","7","4","4","6","4","1") = "6"
    & skf21("3","4","7","4","4","6","5","1") = "6"
    & skf21("3","4","7","4","4","6","6","1") = "6"
    & skf21("3","4","7","4","4","6","7","1") = "6"
    & skf21("3","4","7","4","4","7","1","1") = "6"
    & skf21("3","4","7","4","4","7","2","1") = "6"
    & skf21("3","4","7","4","4","7","3","1") = "6"
    & skf21("3","4","7","4","4","7","4","1") = "6"
    & skf21("3","4","7","4","4","7","5","1") = "6"
    & skf21("3","4","7","4","4","7","6","1") = "6"
    & skf21("3","4","7","4","4","7","7","1") = "6"
    & skf21("3","4","7","4","5","1","1","1") = "6"
    & skf21("3","4","7","4","5","1","2","1") = "6"
    & skf21("3","4","7","4","5","1","3","1") = "6"
    & skf21("3","4","7","4","5","1","4","1") = "6"
    & skf21("3","4","7","4","5","1","5","1") = "6"
    & skf21("3","4","7","4","5","1","6","1") = "6"
    & skf21("3","4","7","4","5","1","7","1") = "6"
    & skf21("3","4","7","4","5","2","1","1") = "6"
    & skf21("3","4","7","4","5","2","2","1") = "6"
    & skf21("3","4","7","4","5","2","3","1") = "6"
    & skf21("3","4","7","4","5","2","4","1") = "6"
    & skf21("3","4","7","4","5","2","5","1") = "6"
    & skf21("3","4","7","4","5","2","6","1") = "6"
    & skf21("3","4","7","4","5","2","7","1") = "6"
    & skf21("3","4","7","4","5","3","1","1") = "6"
    & skf21("3","4","7","4","5","3","2","1") = "6"
    & skf21("3","4","7","4","5","3","3","1") = "6"
    & skf21("3","4","7","4","5","3","4","1") = "6"
    & skf21("3","4","7","4","5","3","5","1") = "6"
    & skf21("3","4","7","4","5","3","6","1") = "6"
    & skf21("3","4","7","4","5","3","7","1") = "6"
    & skf21("3","4","7","4","5","4","1","1") = "6"
    & skf21("3","4","7","4","5","4","2","1") = "6"
    & skf21("3","4","7","4","5","4","3","1") = "6"
    & skf21("3","4","7","4","5","4","4","1") = "6"
    & skf21("3","4","7","4","5","4","5","1") = "6"
    & skf21("3","4","7","4","5","4","6","1") = "6"
    & skf21("3","4","7","4","5","4","7","1") = "6"
    & skf21("3","4","7","4","5","5","1","1") = "6"
    & skf21("3","4","7","4","5","5","2","1") = "6"
    & skf21("3","4","7","4","5","5","3","1") = "6"
    & skf21("3","4","7","4","5","5","4","1") = "6"
    & skf21("3","4","7","4","5","5","5","1") = "6"
    & skf21("3","4","7","4","5","5","6","1") = "6"
    & skf21("3","4","7","4","5","5","7","1") = "6"
    & skf21("3","4","7","4","5","6","1","1") = "6"
    & skf21("3","4","7","4","5","6","2","1") = "6"
    & skf21("3","4","7","4","5","6","3","1") = "6"
    & skf21("3","4","7","4","5","6","4","1") = "6"
    & skf21("3","4","7","4","5","6","5","1") = "6"
    & skf21("3","4","7","4","5","6","6","1") = "6"
    & skf21("3","4","7","4","5","6","7","1") = "6"
    & skf21("3","4","7","4","5","7","1","1") = "6"
    & skf21("3","4","7","4","5","7","2","1") = "6"
    & skf21("3","4","7","4","5","7","3","1") = "6"
    & skf21("3","4","7","4","5","7","4","1") = "6"
    & skf21("3","4","7","4","5","7","5","1") = "6"
    & skf21("3","4","7","4","5","7","6","1") = "6"
    & skf21("3","4","7","4","5","7","7","1") = "6"
    & skf21("3","4","7","4","6","1","1","1") = "6"
    & skf21("3","4","7","4","6","1","2","1") = "6"
    & skf21("3","4","7","4","6","1","3","1") = "6"
    & skf21("3","4","7","4","6","1","4","1") = "6"
    & skf21("3","4","7","4","6","1","5","1") = "6"
    & skf21("3","4","7","4","6","1","6","1") = "6"
    & skf21("3","4","7","4","6","1","7","1") = "6"
    & skf21("3","4","7","4","6","2","1","1") = "6"
    & skf21("3","4","7","4","6","2","2","1") = "6"
    & skf21("3","4","7","4","6","2","3","1") = "6"
    & skf21("3","4","7","4","6","2","4","1") = "6"
    & skf21("3","4","7","4","6","2","5","1") = "6"
    & skf21("3","4","7","4","6","2","6","1") = "6"
    & skf21("3","4","7","4","6","2","7","1") = "6"
    & skf21("3","4","7","4","6","3","1","1") = "6"
    & skf21("3","4","7","4","6","3","2","1") = "6"
    & skf21("3","4","7","4","6","3","3","1") = "6"
    & skf21("3","4","7","4","6","3","4","1") = "6"
    & skf21("3","4","7","4","6","3","5","1") = "6"
    & skf21("3","4","7","4","6","3","6","1") = "6"
    & skf21("3","4","7","4","6","3","7","1") = "6"
    & skf21("3","4","7","4","6","4","1","1") = "6"
    & skf21("3","4","7","4","6","4","2","1") = "6"
    & skf21("3","4","7","4","6","4","3","1") = "6"
    & skf21("3","4","7","4","6","4","4","1") = "6"
    & skf21("3","4","7","4","6","4","5","1") = "6"
    & skf21("3","4","7","4","6","4","6","1") = "6"
    & skf21("3","4","7","4","6","4","7","1") = "6"
    & skf21("3","4","7","4","6","5","1","1") = "6"
    & skf21("3","4","7","4","6","5","2","1") = "6"
    & skf21("3","4","7","4","6","5","3","1") = "6"
    & skf21("3","4","7","4","6","5","4","1") = "6"
    & skf21("3","4","7","4","6","5","5","1") = "6"
    & skf21("3","4","7","4","6","5","6","1") = "6"
    & skf21("3","4","7","4","6","5","7","1") = "6"
    & skf21("3","4","7","4","6","6","1","1") = "6"
    & skf21("3","4","7","4","6","6","2","1") = "6"
    & skf21("3","4","7","4","6","6","3","1") = "6"
    & skf21("3","4","7","4","6","6","4","1") = "6"
    & skf21("3","4","7","4","6","6","5","1") = "6"
    & skf21("3","4","7","4","6","6","6","1") = "6"
    & skf21("3","4","7","4","6","6","7","1") = "6"
    & skf21("3","4","7","4","6","7","1","1") = "6"
    & skf21("3","4","7","4","6","7","2","1") = "6"
    & skf21("3","4","7","4","6","7","3","1") = "6"
    & skf21("3","4","7","4","6","7","4","1") = "6"
    & skf21("3","4","7","4","6","7","5","1") = "6"
    & skf21("3","4","7","4","6","7","6","1") = "6"
    & skf21("3","4","7","4","6","7","7","1") = "6"
    & skf21("3","4","7","4","7","1","1","1") = "6"
    & skf21("3","4","7","4","7","1","2","1") = "6"
    & skf21("3","4","7","4","7","1","3","1") = "6"
    & skf21("3","4","7","4","7","1","4","1") = "6"
    & skf21("3","4","7","4","7","1","5","1") = "6"
    & skf21("3","4","7","4","7","1","6","1") = "6"
    & skf21("3","4","7","4","7","1","7","1") = "6"
    & skf21("3","4","7","4","7","2","1","1") = "6"
    & skf21("3","4","7","4","7","2","2","1") = "6"
    & skf21("3","4","7","4","7","2","3","1") = "6"
    & skf21("3","4","7","4","7","2","4","1") = "6"
    & skf21("3","4","7","4","7","2","5","1") = "6"
    & skf21("3","4","7","4","7","2","6","1") = "6"
    & skf21("3","4","7","4","7","2","7","1") = "6"
    & skf21("3","4","7","4","7","3","1","1") = "6"
    & skf21("3","4","7","4","7","3","2","1") = "6"
    & skf21("3","4","7","4","7","3","3","1") = "6"
    & skf21("3","4","7","4","7","3","4","1") = "6"
    & skf21("3","4","7","4","7","3","5","1") = "6"
    & skf21("3","4","7","4","7","3","6","1") = "6"
    & skf21("3","4","7","4","7","3","7","1") = "6"
    & skf21("3","4","7","4","7","4","1","1") = "6"
    & skf21("3","4","7","4","7","4","2","1") = "6"
    & skf21("3","4","7","4","7","4","3","1") = "6"
    & skf21("3","4","7","4","7","4","4","1") = "6"
    & skf21("3","4","7","4","7","4","5","1") = "6"
    & skf21("3","4","7","4","7","4","6","1") = "6"
    & skf21("3","4","7","4","7","4","7","1") = "6"
    & skf21("3","4","7","4","7","5","1","1") = "6"
    & skf21("3","4","7","4","7","5","2","1") = "6"
    & skf21("3","4","7","4","7","5","3","1") = "6"
    & skf21("3","4","7","4","7","5","4","1") = "6"
    & skf21("3","4","7","4","7","5","5","1") = "6"
    & skf21("3","4","7","4","7","5","6","1") = "6"
    & skf21("3","4","7","4","7","5","7","1") = "6"
    & skf21("3","4","7","4","7","6","1","1") = "6"
    & skf21("3","4","7","4","7","6","2","1") = "6"
    & skf21("3","4","7","4","7","6","3","1") = "6"
    & skf21("3","4","7","4","7","6","4","1") = "6"
    & skf21("3","4","7","4","7","6","5","1") = "6"
    & skf21("3","4","7","4","7","6","6","1") = "6"
    & skf21("3","4","7","4","7","6","7","1") = "6"
    & skf21("3","4","7","4","7","7","1","1") = "6"
    & skf21("3","4","7","4","7","7","2","1") = "6"
    & skf21("3","4","7","4","7","7","3","1") = "6"
    & skf21("3","4","7","4","7","7","4","1") = "6"
    & skf21("3","4","7","4","7","7","5","1") = "6"
    & skf21("3","4","7","4","7","7","6","1") = "6"
    & skf21("3","4","7","4","7","7","7","1") = "6"
    & skf21("3","4","7","5","1","1","1","1") = "6"
    & skf21("3","4","7","5","1","1","2","1") = "6"
    & skf21("3","4","7","5","1","1","3","1") = "6"
    & skf21("3","4","7","5","1","1","4","1") = "6"
    & skf21("3","4","7","5","1","1","5","1") = "6"
    & skf21("3","4","7","5","1","1","6","1") = "6"
    & skf21("3","4","7","5","1","1","7","1") = "6"
    & skf21("3","4","7","5","1","2","1","1") = "6"
    & skf21("3","4","7","5","1","2","2","1") = "6"
    & skf21("3","4","7","5","1","2","3","1") = "6"
    & skf21("3","4","7","5","1","2","4","1") = "6"
    & skf21("3","4","7","5","1","2","5","1") = "6"
    & skf21("3","4","7","5","1","2","6","1") = "6"
    & skf21("3","4","7","5","1","2","7","1") = "6"
    & skf21("3","4","7","5","1","3","1","1") = "6"
    & skf21("3","4","7","5","1","3","2","1") = "6"
    & skf21("3","4","7","5","1","3","3","1") = "6"
    & skf21("3","4","7","5","1","3","4","1") = "6"
    & skf21("3","4","7","5","1","3","5","1") = "6"
    & skf21("3","4","7","5","1","3","6","1") = "6"
    & skf21("3","4","7","5","1","3","7","1") = "6"
    & skf21("3","4","7","5","1","4","1","1") = "6"
    & skf21("3","4","7","5","1","4","2","1") = "6"
    & skf21("3","4","7","5","1","4","3","1") = "6"
    & skf21("3","4","7","5","1","4","4","1") = "6"
    & skf21("3","4","7","5","1","4","5","1") = "6"
    & skf21("3","4","7","5","1","4","6","1") = "6"
    & skf21("3","4","7","5","1","4","7","1") = "6"
    & skf21("3","4","7","5","1","5","1","1") = "6"
    & skf21("3","4","7","5","1","5","2","1") = "6"
    & skf21("3","4","7","5","1","5","3","1") = "6"
    & skf21("3","4","7","5","1","5","4","1") = "6"
    & skf21("3","4","7","5","1","5","5","1") = "6"
    & skf21("3","4","7","5","1","5","6","1") = "6"
    & skf21("3","4","7","5","1","5","7","1") = "6"
    & skf21("3","4","7","5","1","6","1","1") = "6"
    & skf21("3","4","7","5","1","6","2","1") = "6"
    & skf21("3","4","7","5","1","6","3","1") = "6"
    & skf21("3","4","7","5","1","6","4","1") = "6"
    & skf21("3","4","7","5","1","6","5","1") = "6"
    & skf21("3","4","7","5","1","6","6","1") = "6"
    & skf21("3","4","7","5","1","6","7","1") = "6"
    & skf21("3","4","7","5","1","7","1","1") = "6"
    & skf21("3","4","7","5","1","7","2","1") = "6"
    & skf21("3","4","7","5","1","7","3","1") = "6"
    & skf21("3","4","7","5","1","7","4","1") = "6"
    & skf21("3","4","7","5","1","7","5","1") = "6"
    & skf21("3","4","7","5","1","7","6","1") = "6"
    & skf21("3","4","7","5","1","7","7","1") = "6"
    & skf21("3","4","7","5","2","1","1","1") = "6"
    & skf21("3","4","7","5","2","1","2","1") = "6"
    & skf21("3","4","7","5","2","1","3","1") = "6"
    & skf21("3","4","7","5","2","1","4","1") = "6"
    & skf21("3","4","7","5","2","1","5","1") = "6"
    & skf21("3","4","7","5","2","1","6","1") = "6"
    & skf21("3","4","7","5","2","1","7","1") = "6"
    & skf21("3","4","7","5","2","2","1","1") = "6"
    & skf21("3","4","7","5","2","2","2","1") = "6"
    & skf21("3","4","7","5","2","2","3","1") = "6"
    & skf21("3","4","7","5","2","2","4","1") = "6"
    & skf21("3","4","7","5","2","2","5","1") = "6"
    & skf21("3","4","7","5","2","2","6","1") = "6"
    & skf21("3","4","7","5","2","2","7","1") = "6"
    & skf21("3","4","7","5","2","3","1","1") = "6"
    & skf21("3","4","7","5","2","3","2","1") = "6"
    & skf21("3","4","7","5","2","3","3","1") = "6"
    & skf21("3","4","7","5","2","3","4","1") = "6"
    & skf21("3","4","7","5","2","3","5","1") = "6"
    & skf21("3","4","7","5","2","3","6","1") = "6"
    & skf21("3","4","7","5","2","3","7","1") = "6"
    & skf21("3","4","7","5","2","4","1","1") = "6"
    & skf21("3","4","7","5","2","4","2","1") = "6"
    & skf21("3","4","7","5","2","4","3","1") = "6"
    & skf21("3","4","7","5","2","4","4","1") = "6"
    & skf21("3","4","7","5","2","4","5","1") = "6"
    & skf21("3","4","7","5","2","4","6","1") = "6"
    & skf21("3","4","7","5","2","4","7","1") = "6"
    & skf21("3","4","7","5","2","5","1","1") = "6"
    & skf21("3","4","7","5","2","5","2","1") = "6"
    & skf21("3","4","7","5","2","5","3","1") = "6"
    & skf21("3","4","7","5","2","5","4","1") = "6"
    & skf21("3","4","7","5","2","5","5","1") = "6"
    & skf21("3","4","7","5","2","5","6","1") = "6"
    & skf21("3","4","7","5","2","5","7","1") = "6"
    & skf21("3","4","7","5","2","6","1","1") = "6"
    & skf21("3","4","7","5","2","6","2","1") = "6"
    & skf21("3","4","7","5","2","6","3","1") = "6"
    & skf21("3","4","7","5","2","6","4","1") = "6"
    & skf21("3","4","7","5","2","6","5","1") = "6"
    & skf21("3","4","7","5","2","6","6","1") = "6"
    & skf21("3","4","7","5","2","6","7","1") = "6"
    & skf21("3","4","7","5","2","7","1","1") = "6"
    & skf21("3","4","7","5","2","7","2","1") = "6"
    & skf21("3","4","7","5","2","7","3","1") = "6"
    & skf21("3","4","7","5","2","7","4","1") = "6"
    & skf21("3","4","7","5","2","7","5","1") = "6"
    & skf21("3","4","7","5","2","7","6","1") = "6"
    & skf21("3","4","7","5","2","7","7","1") = "6"
    & skf21("3","4","7","5","3","1","1","1") = "6"
    & skf21("3","4","7","5","3","1","2","1") = "6"
    & skf21("3","4","7","5","3","1","3","1") = "6"
    & skf21("3","4","7","5","3","1","4","1") = "6"
    & skf21("3","4","7","5","3","1","5","1") = "6"
    & skf21("3","4","7","5","3","1","6","1") = "6"
    & skf21("3","4","7","5","3","1","7","1") = "6"
    & skf21("3","4","7","5","3","2","1","1") = "6"
    & skf21("3","4","7","5","3","2","2","1") = "6"
    & skf21("3","4","7","5","3","2","3","1") = "6"
    & skf21("3","4","7","5","3","2","4","1") = "6"
    & skf21("3","4","7","5","3","2","5","1") = "6"
    & skf21("3","4","7","5","3","2","6","1") = "6"
    & skf21("3","4","7","5","3","2","7","1") = "6"
    & skf21("3","4","7","5","3","3","1","1") = "6"
    & skf21("3","4","7","5","3","3","2","1") = "6"
    & skf21("3","4","7","5","3","3","3","1") = "6"
    & skf21("3","4","7","5","3","3","4","1") = "6"
    & skf21("3","4","7","5","3","3","5","1") = "6"
    & skf21("3","4","7","5","3","3","6","1") = "6"
    & skf21("3","4","7","5","3","3","7","1") = "6"
    & skf21("3","4","7","5","3","4","1","1") = "6"
    & skf21("3","4","7","5","3","4","2","1") = "6"
    & skf21("3","4","7","5","3","4","3","1") = "6"
    & skf21("3","4","7","5","3","4","4","1") = "6"
    & skf21("3","4","7","5","3","4","5","1") = "6"
    & skf21("3","4","7","5","3","4","6","1") = "6"
    & skf21("3","4","7","5","3","4","7","1") = "6"
    & skf21("3","4","7","5","3","5","1","1") = "6"
    & skf21("3","4","7","5","3","5","2","1") = "6"
    & skf21("3","4","7","5","3","5","3","1") = "6"
    & skf21("3","4","7","5","3","5","4","1") = "6"
    & skf21("3","4","7","5","3","5","5","1") = "6"
    & skf21("3","4","7","5","3","5","6","1") = "6"
    & skf21("3","4","7","5","3","5","7","1") = "6"
    & skf21("3","4","7","5","3","6","1","1") = "6"
    & skf21("3","4","7","5","3","6","2","1") = "6"
    & skf21("3","4","7","5","3","6","3","1") = "6"
    & skf21("3","4","7","5","3","6","4","1") = "6"
    & skf21("3","4","7","5","3","6","5","1") = "6"
    & skf21("3","4","7","5","3","6","6","1") = "6"
    & skf21("3","4","7","5","3","6","7","1") = "6"
    & skf21("3","4","7","5","3","7","1","1") = "6"
    & skf21("3","4","7","5","3","7","2","1") = "6"
    & skf21("3","4","7","5","3","7","3","1") = "6"
    & skf21("3","4","7","5","3","7","4","1") = "6"
    & skf21("3","4","7","5","3","7","5","1") = "6"
    & skf21("3","4","7","5","3","7","6","1") = "6"
    & skf21("3","4","7","5","3","7","7","1") = "6"
    & skf21("3","4","7","5","4","1","1","1") = "6"
    & skf21("3","4","7","5","4","1","2","1") = "6"
    & skf21("3","4","7","5","4","1","3","1") = "6"
    & skf21("3","4","7","5","4","1","4","1") = "6"
    & skf21("3","4","7","5","4","1","5","1") = "6"
    & skf21("3","4","7","5","4","1","6","1") = "6"
    & skf21("3","4","7","5","4","1","7","1") = "6"
    & skf21("3","4","7","5","4","2","1","1") = "6"
    & skf21("3","4","7","5","4","2","2","1") = "6"
    & skf21("3","4","7","5","4","2","3","1") = "6"
    & skf21("3","4","7","5","4","2","4","1") = "6"
    & skf21("3","4","7","5","4","2","5","1") = "6"
    & skf21("3","4","7","5","4","2","6","1") = "6"
    & skf21("3","4","7","5","4","2","7","1") = "6"
    & skf21("3","4","7","5","4","3","1","1") = "6"
    & skf21("3","4","7","5","4","3","2","1") = "6"
    & skf21("3","4","7","5","4","3","3","1") = "6"
    & skf21("3","4","7","5","4","3","4","1") = "6"
    & skf21("3","4","7","5","4","3","5","1") = "6"
    & skf21("3","4","7","5","4","3","6","1") = "6"
    & skf21("3","4","7","5","4","3","7","1") = "6"
    & skf21("3","4","7","5","4","4","1","1") = "6"
    & skf21("3","4","7","5","4","4","2","1") = "6"
    & skf21("3","4","7","5","4","4","3","1") = "6"
    & skf21("3","4","7","5","4","4","4","1") = "6"
    & skf21("3","4","7","5","4","4","5","1") = "6"
    & skf21("3","4","7","5","4","4","6","1") = "6"
    & skf21("3","4","7","5","4","4","7","1") = "6"
    & skf21("3","4","7","5","4","5","1","1") = "6"
    & skf21("3","4","7","5","4","5","2","1") = "6"
    & skf21("3","4","7","5","4","5","3","1") = "6"
    & skf21("3","4","7","5","4","5","4","1") = "6"
    & skf21("3","4","7","5","4","5","5","1") = "6"
    & skf21("3","4","7","5","4","5","6","1") = "6"
    & skf21("3","4","7","5","4","5","7","1") = "6"
    & skf21("3","4","7","5","4","6","1","1") = "6"
    & skf21("3","4","7","5","4","6","2","1") = "6"
    & skf21("3","4","7","5","4","6","3","1") = "6"
    & skf21("3","4","7","5","4","6","4","1") = "6"
    & skf21("3","4","7","5","4","6","5","1") = "6"
    & skf21("3","4","7","5","4","6","6","1") = "6"
    & skf21("3","4","7","5","4","6","7","1") = "6"
    & skf21("3","4","7","5","4","7","1","1") = "6"
    & skf21("3","4","7","5","4","7","2","1") = "6"
    & skf21("3","4","7","5","4","7","3","1") = "6"
    & skf21("3","4","7","5","4","7","4","1") = "6"
    & skf21("3","4","7","5","4","7","5","1") = "6"
    & skf21("3","4","7","5","4","7","6","1") = "6"
    & skf21("3","4","7","5","4","7","7","1") = "6"
    & skf21("3","4","7","5","5","1","1","1") = "6"
    & skf21("3","4","7","5","5","1","2","1") = "6"
    & skf21("3","4","7","5","5","1","3","1") = "6"
    & skf21("3","4","7","5","5","1","4","1") = "6"
    & skf21("3","4","7","5","5","1","5","1") = "6"
    & skf21("3","4","7","5","5","1","6","1") = "6"
    & skf21("3","4","7","5","5","1","7","1") = "6"
    & skf21("3","4","7","5","5","2","1","1") = "6"
    & skf21("3","4","7","5","5","2","2","1") = "6"
    & skf21("3","4","7","5","5","2","3","1") = "6"
    & skf21("3","4","7","5","5","2","4","1") = "6"
    & skf21("3","4","7","5","5","2","5","1") = "6"
    & skf21("3","4","7","5","5","2","6","1") = "6"
    & skf21("3","4","7","5","5","2","7","1") = "6"
    & skf21("3","4","7","5","5","3","1","1") = "6"
    & skf21("3","4","7","5","5","3","2","1") = "6"
    & skf21("3","4","7","5","5","3","3","1") = "6"
    & skf21("3","4","7","5","5","3","4","1") = "6"
    & skf21("3","4","7","5","5","3","5","1") = "6"
    & skf21("3","4","7","5","5","3","6","1") = "6"
    & skf21("3","4","7","5","5","3","7","1") = "6"
    & skf21("3","4","7","5","5","4","1","1") = "6"
    & skf21("3","4","7","5","5","4","2","1") = "6"
    & skf21("3","4","7","5","5","4","3","1") = "6"
    & skf21("3","4","7","5","5","4","4","1") = "6"
    & skf21("3","4","7","5","5","4","5","1") = "6"
    & skf21("3","4","7","5","5","4","6","1") = "6"
    & skf21("3","4","7","5","5","4","7","1") = "6"
    & skf21("3","4","7","5","5","5","1","1") = "6"
    & skf21("3","4","7","5","5","5","2","1") = "6"
    & skf21("3","4","7","5","5","5","3","1") = "6"
    & skf21("3","4","7","5","5","5","4","1") = "6"
    & skf21("3","4","7","5","5","5","5","1") = "6"
    & skf21("3","4","7","5","5","5","6","1") = "6"
    & skf21("3","4","7","5","5","5","7","1") = "6"
    & skf21("3","4","7","5","5","6","1","1") = "6"
    & skf21("3","4","7","5","5","6","2","1") = "6"
    & skf21("3","4","7","5","5","6","3","1") = "6"
    & skf21("3","4","7","5","5","6","4","1") = "6"
    & skf21("3","4","7","5","5","6","5","1") = "6"
    & skf21("3","4","7","5","5","6","6","1") = "6"
    & skf21("3","4","7","5","5","6","7","1") = "6"
    & skf21("3","4","7","5","5","7","1","1") = "6"
    & skf21("3","4","7","5","5","7","2","1") = "6"
    & skf21("3","4","7","5","5","7","3","1") = "6"
    & skf21("3","4","7","5","5","7","4","1") = "6"
    & skf21("3","4","7","5","5","7","5","1") = "6"
    & skf21("3","4","7","5","5","7","6","1") = "6"
    & skf21("3","4","7","5","5","7","7","1") = "6"
    & skf21("3","4","7","5","6","1","1","1") = "6"
    & skf21("3","4","7","5","6","1","2","1") = "6"
    & skf21("3","4","7","5","6","1","3","1") = "6"
    & skf21("3","4","7","5","6","1","4","1") = "6"
    & skf21("3","4","7","5","6","1","5","1") = "6"
    & skf21("3","4","7","5","6","1","6","1") = "6"
    & skf21("3","4","7","5","6","1","7","1") = "6"
    & skf21("3","4","7","5","6","2","1","1") = "6"
    & skf21("3","4","7","5","6","2","2","1") = "6"
    & skf21("3","4","7","5","6","2","3","1") = "6"
    & skf21("3","4","7","5","6","2","4","1") = "6"
    & skf21("3","4","7","5","6","2","5","1") = "6"
    & skf21("3","4","7","5","6","2","6","1") = "6"
    & skf21("3","4","7","5","6","2","7","1") = "6"
    & skf21("3","4","7","5","6","3","1","1") = "6"
    & skf21("3","4","7","5","6","3","2","1") = "6"
    & skf21("3","4","7","5","6","3","3","1") = "6"
    & skf21("3","4","7","5","6","3","4","1") = "6"
    & skf21("3","4","7","5","6","3","5","1") = "6"
    & skf21("3","4","7","5","6","3","6","1") = "6"
    & skf21("3","4","7","5","6","3","7","1") = "6"
    & skf21("3","4","7","5","6","4","1","1") = "6"
    & skf21("3","4","7","5","6","4","2","1") = "6"
    & skf21("3","4","7","5","6","4","3","1") = "6"
    & skf21("3","4","7","5","6","4","4","1") = "6"
    & skf21("3","4","7","5","6","4","5","1") = "6"
    & skf21("3","4","7","5","6","4","6","1") = "6"
    & skf21("3","4","7","5","6","4","7","1") = "6"
    & skf21("3","4","7","5","6","5","1","1") = "6"
    & skf21("3","4","7","5","6","5","2","1") = "6"
    & skf21("3","4","7","5","6","5","3","1") = "6"
    & skf21("3","4","7","5","6","5","4","1") = "6"
    & skf21("3","4","7","5","6","5","5","1") = "6"
    & skf21("3","4","7","5","6","5","6","1") = "6"
    & skf21("3","4","7","5","6","5","7","1") = "6"
    & skf21("3","4","7","5","6","6","1","1") = "6"
    & skf21("3","4","7","5","6","6","2","1") = "6"
    & skf21("3","4","7","5","6","6","3","1") = "6"
    & skf21("3","4","7","5","6","6","4","1") = "6"
    & skf21("3","4","7","5","6","6","5","1") = "6"
    & skf21("3","4","7","5","6","6","6","1") = "6"
    & skf21("3","4","7","5","6","6","7","1") = "6"
    & skf21("3","4","7","5","6","7","1","1") = "6"
    & skf21("3","4","7","5","6","7","2","1") = "6"
    & skf21("3","4","7","5","6","7","3","1") = "6"
    & skf21("3","4","7","5","6","7","4","1") = "6"
    & skf21("3","4","7","5","6","7","5","1") = "6"
    & skf21("3","4","7","5","6","7","6","1") = "6"
    & skf21("3","4","7","5","6","7","7","1") = "6"
    & skf21("3","4","7","5","7","1","1","1") = "6"
    & skf21("3","4","7","5","7","1","2","1") = "6"
    & skf21("3","4","7","5","7","1","3","1") = "6"
    & skf21("3","4","7","5","7","1","4","1") = "6"
    & skf21("3","4","7","5","7","1","5","1") = "6"
    & skf21("3","4","7","5","7","1","6","1") = "6"
    & skf21("3","4","7","5","7","1","7","1") = "6"
    & skf21("3","4","7","5","7","2","1","1") = "6"
    & skf21("3","4","7","5","7","2","2","1") = "6"
    & skf21("3","4","7","5","7","2","3","1") = "6"
    & skf21("3","4","7","5","7","2","4","1") = "6"
    & skf21("3","4","7","5","7","2","5","1") = "6"
    & skf21("3","4","7","5","7","2","6","1") = "6"
    & skf21("3","4","7","5","7","2","7","1") = "6"
    & skf21("3","4","7","5","7","3","1","1") = "6"
    & skf21("3","4","7","5","7","3","2","1") = "6"
    & skf21("3","4","7","5","7","3","3","1") = "6"
    & skf21("3","4","7","5","7","3","4","1") = "6"
    & skf21("3","4","7","5","7","3","5","1") = "6"
    & skf21("3","4","7","5","7","3","6","1") = "6"
    & skf21("3","4","7","5","7","3","7","1") = "6"
    & skf21("3","4","7","5","7","4","1","1") = "6"
    & skf21("3","4","7","5","7","4","2","1") = "6"
    & skf21("3","4","7","5","7","4","3","1") = "6"
    & skf21("3","4","7","5","7","4","4","1") = "6"
    & skf21("3","4","7","5","7","4","5","1") = "6"
    & skf21("3","4","7","5","7","4","6","1") = "6"
    & skf21("3","4","7","5","7","4","7","1") = "6"
    & skf21("3","4","7","5","7","5","1","1") = "6"
    & skf21("3","4","7","5","7","5","2","1") = "6"
    & skf21("3","4","7","5","7","5","3","1") = "6"
    & skf21("3","4","7","5","7","5","4","1") = "6"
    & skf21("3","4","7","5","7","5","5","1") = "6"
    & skf21("3","4","7","5","7","5","6","1") = "6"
    & skf21("3","4","7","5","7","5","7","1") = "6"
    & skf21("3","4","7","5","7","6","1","1") = "6"
    & skf21("3","4","7","5","7","6","2","1") = "6"
    & skf21("3","4","7","5","7","6","3","1") = "6"
    & skf21("3","4","7","5","7","6","4","1") = "6"
    & skf21("3","4","7","5","7","6","5","1") = "6"
    & skf21("3","4","7","5","7","6","6","1") = "6"
    & skf21("3","4","7","5","7","6","7","1") = "6"
    & skf21("3","4","7","5","7","7","1","1") = "6"
    & skf21("3","4","7","5","7","7","2","1") = "6"
    & skf21("3","4","7","5","7","7","3","1") = "6"
    & skf21("3","4","7","5","7","7","4","1") = "6"
    & skf21("3","4","7","5","7","7","5","1") = "6"
    & skf21("3","4","7","5","7","7","6","1") = "6"
    & skf21("3","4","7","5","7","7","7","1") = "6"
    & skf21("3","4","7","6","1","1","1","1") = "6"
    & skf21("3","4","7","6","1","1","2","1") = "6"
    & skf21("3","4","7","6","1","1","3","1") = "6"
    & skf21("3","4","7","6","1","1","4","1") = "6"
    & skf21("3","4","7","6","1","1","5","1") = "6"
    & skf21("3","4","7","6","1","1","6","1") = "6"
    & skf21("3","4","7","6","1","1","7","1") = "6"
    & skf21("3","4","7","6","1","2","1","1") = "6"
    & skf21("3","4","7","6","1","2","2","1") = "6"
    & skf21("3","4","7","6","1","2","3","1") = "6"
    & skf21("3","4","7","6","1","2","4","1") = "6"
    & skf21("3","4","7","6","1","2","5","1") = "6"
    & skf21("3","4","7","6","1","2","6","1") = "6"
    & skf21("3","4","7","6","1","2","7","1") = "6"
    & skf21("3","4","7","6","1","3","1","1") = "6"
    & skf21("3","4","7","6","1","3","2","1") = "6"
    & skf21("3","4","7","6","1","3","3","1") = "6"
    & skf21("3","4","7","6","1","3","4","1") = "6"
    & skf21("3","4","7","6","1","3","5","1") = "6"
    & skf21("3","4","7","6","1","3","6","1") = "6"
    & skf21("3","4","7","6","1","3","7","1") = "6"
    & skf21("3","4","7","6","1","4","1","1") = "6"
    & skf21("3","4","7","6","1","4","2","1") = "6"
    & skf21("3","4","7","6","1","4","3","1") = "6"
    & skf21("3","4","7","6","1","4","4","1") = "6"
    & skf21("3","4","7","6","1","4","5","1") = "6"
    & skf21("3","4","7","6","1","4","6","1") = "6"
    & skf21("3","4","7","6","1","4","7","1") = "6"
    & skf21("3","4","7","6","1","5","1","1") = "6"
    & skf21("3","4","7","6","1","5","2","1") = "6"
    & skf21("3","4","7","6","1","5","3","1") = "6"
    & skf21("3","4","7","6","1","5","4","1") = "6"
    & skf21("3","4","7","6","1","5","5","1") = "6"
    & skf21("3","4","7","6","1","5","6","1") = "6"
    & skf21("3","4","7","6","1","5","7","1") = "6"
    & skf21("3","4","7","6","1","6","1","1") = "6"
    & skf21("3","4","7","6","1","6","2","1") = "6"
    & skf21("3","4","7","6","1","6","3","1") = "6"
    & skf21("3","4","7","6","1","6","4","1") = "6"
    & skf21("3","4","7","6","1","6","5","1") = "6"
    & skf21("3","4","7","6","1","6","6","1") = "6"
    & skf21("3","4","7","6","1","6","7","1") = "6"
    & skf21("3","4","7","6","1","7","1","1") = "6"
    & skf21("3","4","7","6","1","7","2","1") = "6"
    & skf21("3","4","7","6","1","7","3","1") = "6"
    & skf21("3","4","7","6","1","7","4","1") = "6"
    & skf21("3","4","7","6","1","7","5","1") = "6"
    & skf21("3","4","7","6","1","7","6","1") = "6"
    & skf21("3","4","7","6","1","7","7","1") = "6"
    & skf21("3","4","7","6","2","1","1","1") = "6"
    & skf21("3","4","7","6","2","1","2","1") = "6"
    & skf21("3","4","7","6","2","1","3","1") = "6"
    & skf21("3","4","7","6","2","1","4","1") = "6"
    & skf21("3","4","7","6","2","1","5","1") = "6"
    & skf21("3","4","7","6","2","1","6","1") = "6"
    & skf21("3","4","7","6","2","1","7","1") = "6"
    & skf21("3","4","7","6","2","2","1","1") = "6"
    & skf21("3","4","7","6","2","2","2","1") = "6"
    & skf21("3","4","7","6","2","2","3","1") = "6"
    & skf21("3","4","7","6","2","2","4","1") = "6"
    & skf21("3","4","7","6","2","2","5","1") = "6"
    & skf21("3","4","7","6","2","2","6","1") = "6"
    & skf21("3","4","7","6","2","2","7","1") = "6"
    & skf21("3","4","7","6","2","3","1","1") = "6"
    & skf21("3","4","7","6","2","3","2","1") = "6"
    & skf21("3","4","7","6","2","3","3","1") = "6"
    & skf21("3","4","7","6","2","3","4","1") = "6"
    & skf21("3","4","7","6","2","3","5","1") = "6"
    & skf21("3","4","7","6","2","3","6","1") = "6"
    & skf21("3","4","7","6","2","3","7","1") = "6"
    & skf21("3","4","7","6","2","4","1","1") = "6"
    & skf21("3","4","7","6","2","4","2","1") = "6"
    & skf21("3","4","7","6","2","4","3","1") = "6"
    & skf21("3","4","7","6","2","4","4","1") = "6"
    & skf21("3","4","7","6","2","4","5","1") = "6"
    & skf21("3","4","7","6","2","4","6","1") = "6"
    & skf21("3","4","7","6","2","4","7","1") = "6"
    & skf21("3","4","7","6","2","5","1","1") = "6"
    & skf21("3","4","7","6","2","5","2","1") = "6"
    & skf21("3","4","7","6","2","5","3","1") = "6"
    & skf21("3","4","7","6","2","5","4","1") = "6"
    & skf21("3","4","7","6","2","5","5","1") = "6"
    & skf21("3","4","7","6","2","5","6","1") = "6"
    & skf21("3","4","7","6","2","5","7","1") = "6"
    & skf21("3","4","7","6","2","6","1","1") = "6"
    & skf21("3","4","7","6","2","6","2","1") = "6"
    & skf21("3","4","7","6","2","6","3","1") = "6"
    & skf21("3","4","7","6","2","6","4","1") = "6"
    & skf21("3","4","7","6","2","6","5","1") = "6"
    & skf21("3","4","7","6","2","6","6","1") = "6"
    & skf21("3","4","7","6","2","6","7","1") = "6"
    & skf21("3","4","7","6","2","7","1","1") = "6"
    & skf21("3","4","7","6","2","7","2","1") = "6"
    & skf21("3","4","7","6","2","7","3","1") = "6"
    & skf21("3","4","7","6","2","7","4","1") = "6"
    & skf21("3","4","7","6","2","7","5","1") = "6"
    & skf21("3","4","7","6","2","7","6","1") = "6"
    & skf21("3","4","7","6","2","7","7","1") = "6"
    & skf21("3","4","7","6","3","1","1","1") = "6"
    & skf21("3","4","7","6","3","1","2","1") = "6"
    & skf21("3","4","7","6","3","1","3","1") = "6"
    & skf21("3","4","7","6","3","1","4","1") = "6"
    & skf21("3","4","7","6","3","1","5","1") = "6"
    & skf21("3","4","7","6","3","1","6","1") = "6"
    & skf21("3","4","7","6","3","1","7","1") = "6"
    & skf21("3","4","7","6","3","2","1","1") = "6"
    & skf21("3","4","7","6","3","2","2","1") = "6"
    & skf21("3","4","7","6","3","2","3","1") = "6"
    & skf21("3","4","7","6","3","2","4","1") = "6"
    & skf21("3","4","7","6","3","2","5","1") = "6"
    & skf21("3","4","7","6","3","2","6","1") = "6"
    & skf21("3","4","7","6","3","2","7","1") = "6"
    & skf21("3","4","7","6","3","3","1","1") = "6"
    & skf21("3","4","7","6","3","3","2","1") = "6"
    & skf21("3","4","7","6","3","3","3","1") = "6"
    & skf21("3","4","7","6","3","3","4","1") = "6"
    & skf21("3","4","7","6","3","3","5","1") = "6"
    & skf21("3","4","7","6","3","3","6","1") = "6"
    & skf21("3","4","7","6","3","3","7","1") = "6"
    & skf21("3","4","7","6","3","4","1","1") = "6"
    & skf21("3","4","7","6","3","4","2","1") = "6"
    & skf21("3","4","7","6","3","4","3","1") = "6"
    & skf21("3","4","7","6","3","4","4","1") = "6"
    & skf21("3","4","7","6","3","4","5","1") = "6"
    & skf21("3","4","7","6","3","4","6","1") = "6"
    & skf21("3","4","7","6","3","4","7","1") = "6"
    & skf21("3","4","7","6","3","5","1","1") = "6"
    & skf21("3","4","7","6","3","5","2","1") = "6"
    & skf21("3","4","7","6","3","5","3","1") = "6"
    & skf21("3","4","7","6","3","5","4","1") = "6"
    & skf21("3","4","7","6","3","5","5","1") = "6"
    & skf21("3","4","7","6","3","5","6","1") = "6"
    & skf21("3","4","7","6","3","5","7","1") = "6"
    & skf21("3","4","7","6","3","6","1","1") = "6"
    & skf21("3","4","7","6","3","6","2","1") = "6"
    & skf21("3","4","7","6","3","6","3","1") = "6"
    & skf21("3","4","7","6","3","6","4","1") = "6"
    & skf21("3","4","7","6","3","6","5","1") = "6"
    & skf21("3","4","7","6","3","6","6","1") = "6"
    & skf21("3","4","7","6","3","6","7","1") = "6"
    & skf21("3","4","7","6","3","7","1","1") = "6"
    & skf21("3","4","7","6","3","7","2","1") = "6"
    & skf21("3","4","7","6","3","7","3","1") = "6"
    & skf21("3","4","7","6","3","7","4","1") = "6"
    & skf21("3","4","7","6","3","7","5","1") = "6"
    & skf21("3","4","7","6","3","7","6","1") = "6"
    & skf21("3","4","7","6","3","7","7","1") = "6"
    & skf21("3","4","7","6","4","1","1","1") = "6"
    & skf21("3","4","7","6","4","1","2","1") = "6"
    & skf21("3","4","7","6","4","1","3","1") = "6"
    & skf21("3","4","7","6","4","1","4","1") = "6"
    & skf21("3","4","7","6","4","1","5","1") = "6"
    & skf21("3","4","7","6","4","1","6","1") = "6"
    & skf21("3","4","7","6","4","1","7","1") = "6"
    & skf21("3","4","7","6","4","2","1","1") = "6"
    & skf21("3","4","7","6","4","2","2","1") = "6"
    & skf21("3","4","7","6","4","2","3","1") = "6"
    & skf21("3","4","7","6","4","2","4","1") = "6"
    & skf21("3","4","7","6","4","2","5","1") = "6"
    & skf21("3","4","7","6","4","2","6","1") = "6"
    & skf21("3","4","7","6","4","2","7","1") = "6"
    & skf21("3","4","7","6","4","3","1","1") = "6"
    & skf21("3","4","7","6","4","3","2","1") = "6"
    & skf21("3","4","7","6","4","3","3","1") = "6"
    & skf21("3","4","7","6","4","3","4","1") = "6"
    & skf21("3","4","7","6","4","3","5","1") = "6"
    & skf21("3","4","7","6","4","3","6","1") = "6"
    & skf21("3","4","7","6","4","3","7","1") = "6"
    & skf21("3","4","7","6","4","4","1","1") = "6"
    & skf21("3","4","7","6","4","4","2","1") = "6"
    & skf21("3","4","7","6","4","4","3","1") = "6"
    & skf21("3","4","7","6","4","4","4","1") = "6"
    & skf21("3","4","7","6","4","4","5","1") = "6"
    & skf21("3","4","7","6","4","4","6","1") = "6"
    & skf21("3","4","7","6","4","4","7","1") = "6"
    & skf21("3","4","7","6","4","5","1","1") = "6"
    & skf21("3","4","7","6","4","5","2","1") = "6"
    & skf21("3","4","7","6","4","5","3","1") = "6"
    & skf21("3","4","7","6","4","5","4","1") = "6"
    & skf21("3","4","7","6","4","5","5","1") = "6"
    & skf21("3","4","7","6","4","5","6","1") = "6"
    & skf21("3","4","7","6","4","5","7","1") = "6"
    & skf21("3","4","7","6","4","6","1","1") = "6"
    & skf21("3","4","7","6","4","6","2","1") = "6"
    & skf21("3","4","7","6","4","6","3","1") = "6"
    & skf21("3","4","7","6","4","6","4","1") = "6"
    & skf21("3","4","7","6","4","6","5","1") = "6"
    & skf21("3","4","7","6","4","6","6","1") = "6"
    & skf21("3","4","7","6","4","6","7","1") = "6"
    & skf21("3","4","7","6","4","7","1","1") = "6"
    & skf21("3","4","7","6","4","7","2","1") = "6"
    & skf21("3","4","7","6","4","7","3","1") = "6"
    & skf21("3","4","7","6","4","7","4","1") = "6"
    & skf21("3","4","7","6","4","7","5","1") = "6"
    & skf21("3","4","7","6","4","7","6","1") = "6"
    & skf21("3","4","7","6","4","7","7","1") = "6"
    & skf21("3","4","7","6","5","1","1","1") = "6"
    & skf21("3","4","7","6","5","1","2","1") = "6"
    & skf21("3","4","7","6","5","1","3","1") = "6"
    & skf21("3","4","7","6","5","1","4","1") = "6"
    & skf21("3","4","7","6","5","1","5","1") = "6"
    & skf21("3","4","7","6","5","1","6","1") = "6"
    & skf21("3","4","7","6","5","1","7","1") = "6"
    & skf21("3","4","7","6","5","2","1","1") = "6"
    & skf21("3","4","7","6","5","2","2","1") = "6"
    & skf21("3","4","7","6","5","2","3","1") = "6"
    & skf21("3","4","7","6","5","2","4","1") = "6"
    & skf21("3","4","7","6","5","2","5","1") = "6"
    & skf21("3","4","7","6","5","2","6","1") = "6"
    & skf21("3","4","7","6","5","2","7","1") = "6"
    & skf21("3","4","7","6","5","3","1","1") = "6"
    & skf21("3","4","7","6","5","3","2","1") = "6"
    & skf21("3","4","7","6","5","3","3","1") = "6"
    & skf21("3","4","7","6","5","3","4","1") = "6"
    & skf21("3","4","7","6","5","3","5","1") = "6"
    & skf21("3","4","7","6","5","3","6","1") = "6"
    & skf21("3","4","7","6","5","3","7","1") = "6"
    & skf21("3","4","7","6","5","4","1","1") = "6"
    & skf21("3","4","7","6","5","4","2","1") = "6"
    & skf21("3","4","7","6","5","4","3","1") = "6"
    & skf21("3","4","7","6","5","4","4","1") = "6"
    & skf21("3","4","7","6","5","4","5","1") = "6"
    & skf21("3","4","7","6","5","4","6","1") = "6"
    & skf21("3","4","7","6","5","4","7","1") = "6"
    & skf21("3","4","7","6","5","5","1","1") = "6"
    & skf21("3","4","7","6","5","5","2","1") = "6"
    & skf21("3","4","7","6","5","5","3","1") = "6"
    & skf21("3","4","7","6","5","5","4","1") = "6"
    & skf21("3","4","7","6","5","5","5","1") = "6"
    & skf21("3","4","7","6","5","5","6","1") = "6"
    & skf21("3","4","7","6","5","5","7","1") = "6"
    & skf21("3","4","7","6","5","6","1","1") = "6"
    & skf21("3","4","7","6","5","6","2","1") = "6"
    & skf21("3","4","7","6","5","6","3","1") = "6"
    & skf21("3","4","7","6","5","6","4","1") = "6"
    & skf21("3","4","7","6","5","6","5","1") = "6"
    & skf21("3","4","7","6","5","6","6","1") = "6"
    & skf21("3","4","7","6","5","6","7","1") = "6"
    & skf21("3","4","7","6","5","7","1","1") = "6"
    & skf21("3","4","7","6","5","7","2","1") = "6"
    & skf21("3","4","7","6","5","7","3","1") = "6"
    & skf21("3","4","7","6","5","7","4","1") = "6"
    & skf21("3","4","7","6","5","7","5","1") = "6"
    & skf21("3","4","7","6","5","7","6","1") = "6"
    & skf21("3","4","7","6","5","7","7","1") = "6"
    & skf21("3","4","7","6","6","1","1","1") = "6"
    & skf21("3","4","7","6","6","1","2","1") = "6"
    & skf21("3","4","7","6","6","1","3","1") = "6"
    & skf21("3","4","7","6","6","1","4","1") = "6"
    & skf21("3","4","7","6","6","1","5","1") = "6"
    & skf21("3","4","7","6","6","1","6","1") = "6"
    & skf21("3","4","7","6","6","1","7","1") = "6"
    & skf21("3","4","7","6","6","2","1","1") = "6"
    & skf21("3","4","7","6","6","2","2","1") = "6"
    & skf21("3","4","7","6","6","2","3","1") = "6"
    & skf21("3","4","7","6","6","2","4","1") = "6"
    & skf21("3","4","7","6","6","2","5","1") = "6"
    & skf21("3","4","7","6","6","2","6","1") = "6"
    & skf21("3","4","7","6","6","2","7","1") = "6"
    & skf21("3","4","7","6","6","3","1","1") = "6"
    & skf21("3","4","7","6","6","3","2","1") = "6"
    & skf21("3","4","7","6","6","3","3","1") = "6"
    & skf21("3","4","7","6","6","3","4","1") = "6"
    & skf21("3","4","7","6","6","3","5","1") = "6"
    & skf21("3","4","7","6","6","3","6","1") = "6"
    & skf21("3","4","7","6","6","3","7","1") = "6"
    & skf21("3","4","7","6","6","4","1","1") = "6"
    & skf21("3","4","7","6","6","4","2","1") = "6"
    & skf21("3","4","7","6","6","4","3","1") = "6"
    & skf21("3","4","7","6","6","4","4","1") = "6"
    & skf21("3","4","7","6","6","4","5","1") = "6"
    & skf21("3","4","7","6","6","4","6","1") = "6"
    & skf21("3","4","7","6","6","4","7","1") = "6"
    & skf21("3","4","7","6","6","5","1","1") = "6"
    & skf21("3","4","7","6","6","5","2","1") = "6"
    & skf21("3","4","7","6","6","5","3","1") = "6"
    & skf21("3","4","7","6","6","5","4","1") = "6"
    & skf21("3","4","7","6","6","5","5","1") = "6"
    & skf21("3","4","7","6","6","5","6","1") = "6"
    & skf21("3","4","7","6","6","5","7","1") = "6"
    & skf21("3","4","7","6","6","6","1","1") = "6"
    & skf21("3","4","7","6","6","6","2","1") = "6"
    & skf21("3","4","7","6","6","6","3","1") = "6"
    & skf21("3","4","7","6","6","6","4","1") = "6"
    & skf21("3","4","7","6","6","6","5","1") = "6"
    & skf21("3","4","7","6","6","6","6","1") = "6"
    & skf21("3","4","7","6","6","6","7","1") = "6"
    & skf21("3","4","7","6","6","7","1","1") = "6"
    & skf21("3","4","7","6","6","7","2","1") = "6"
    & skf21("3","4","7","6","6","7","3","1") = "6"
    & skf21("3","4","7","6","6","7","4","1") = "6"
    & skf21("3","4","7","6","6","7","5","1") = "6"
    & skf21("3","4","7","6","6","7","6","1") = "6"
    & skf21("3","4","7","6","6","7","7","1") = "6"
    & skf21("3","4","7","6","7","1","1","1") = "6"
    & skf21("3","4","7","6","7","1","2","1") = "6"
    & skf21("3","4","7","6","7","1","3","1") = "6"
    & skf21("3","4","7","6","7","1","4","1") = "6"
    & skf21("3","4","7","6","7","1","5","1") = "6"
    & skf21("3","4","7","6","7","1","6","1") = "6"
    & skf21("3","4","7","6","7","1","7","1") = "6"
    & skf21("3","4","7","6","7","2","1","1") = "6"
    & skf21("3","4","7","6","7","2","2","1") = "6"
    & skf21("3","4","7","6","7","2","3","1") = "6"
    & skf21("3","4","7","6","7","2","4","1") = "6"
    & skf21("3","4","7","6","7","2","5","1") = "6"
    & skf21("3","4","7","6","7","2","6","1") = "6"
    & skf21("3","4","7","6","7","2","7","1") = "6"
    & skf21("3","4","7","6","7","3","1","1") = "6"
    & skf21("3","4","7","6","7","3","2","1") = "6"
    & skf21("3","4","7","6","7","3","3","1") = "6"
    & skf21("3","4","7","6","7","3","4","1") = "6"
    & skf21("3","4","7","6","7","3","5","1") = "6"
    & skf21("3","4","7","6","7","3","6","1") = "6"
    & skf21("3","4","7","6","7","3","7","1") = "6"
    & skf21("3","4","7","6","7","4","1","1") = "6"
    & skf21("3","4","7","6","7","4","2","1") = "6"
    & skf21("3","4","7","6","7","4","3","1") = "6"
    & skf21("3","4","7","6","7","4","4","1") = "6"
    & skf21("3","4","7","6","7","4","5","1") = "6"
    & skf21("3","4","7","6","7","4","6","1") = "6"
    & skf21("3","4","7","6","7","4","7","1") = "6"
    & skf21("3","4","7","6","7","5","1","1") = "6"
    & skf21("3","4","7","6","7","5","2","1") = "6"
    & skf21("3","4","7","6","7","5","3","1") = "6"
    & skf21("3","4","7","6","7","5","4","1") = "6"
    & skf21("3","4","7","6","7","5","5","1") = "6"
    & skf21("3","4","7","6","7","5","6","1") = "6"
    & skf21("3","4","7","6","7","5","7","1") = "6"
    & skf21("3","4","7","6","7","6","1","1") = "6"
    & skf21("3","4","7","6","7","6","2","1") = "6"
    & skf21("3","4","7","6","7","6","3","1") = "6"
    & skf21("3","4","7","6","7","6","4","1") = "6"
    & skf21("3","4","7","6","7","6","5","1") = "6"
    & skf21("3","4","7","6","7","6","6","1") = "6"
    & skf21("3","4","7","6","7","6","7","1") = "6"
    & skf21("3","4","7","6","7","7","1","1") = "6"
    & skf21("3","4","7","6","7","7","2","1") = "6"
    & skf21("3","4","7","6","7","7","3","1") = "6"
    & skf21("3","4","7","6","7","7","4","1") = "6"
    & skf21("3","4","7","6","7","7","5","1") = "6"
    & skf21("3","4","7","6","7","7","6","1") = "6"
    & skf21("3","4","7","6","7","7","7","1") = "6"
    & skf21("3","4","7","7","1","1","1","1") = "6"
    & skf21("3","4","7","7","1","1","2","1") = "6"
    & skf21("3","4","7","7","1","1","3","1") = "6"
    & skf21("3","4","7","7","1","1","4","1") = "6"
    & skf21("3","4","7","7","1","1","5","1") = "6"
    & skf21("3","4","7","7","1","1","6","1") = "6"
    & skf21("3","4","7","7","1","1","7","1") = "6"
    & skf21("3","4","7","7","1","2","1","1") = "6"
    & skf21("3","4","7","7","1","2","2","1") = "6"
    & skf21("3","4","7","7","1","2","3","1") = "6"
    & skf21("3","4","7","7","1","2","4","1") = "6"
    & skf21("3","4","7","7","1","2","5","1") = "6"
    & skf21("3","4","7","7","1","2","6","1") = "6"
    & skf21("3","4","7","7","1","2","7","1") = "6"
    & skf21("3","4","7","7","1","3","1","1") = "6"
    & skf21("3","4","7","7","1","3","2","1") = "6"
    & skf21("3","4","7","7","1","3","3","1") = "6"
    & skf21("3","4","7","7","1","3","4","1") = "6"
    & skf21("3","4","7","7","1","3","5","1") = "6"
    & skf21("3","4","7","7","1","3","6","1") = "6"
    & skf21("3","4","7","7","1","3","7","1") = "6"
    & skf21("3","4","7","7","1","4","1","1") = "6"
    & skf21("3","4","7","7","1","4","2","1") = "6"
    & skf21("3","4","7","7","1","4","3","1") = "6"
    & skf21("3","4","7","7","1","4","4","1") = "6"
    & skf21("3","4","7","7","1","4","5","1") = "6"
    & skf21("3","4","7","7","1","4","6","1") = "6"
    & skf21("3","4","7","7","1","4","7","1") = "6"
    & skf21("3","4","7","7","1","5","1","1") = "6"
    & skf21("3","4","7","7","1","5","2","1") = "6"
    & skf21("3","4","7","7","1","5","3","1") = "6"
    & skf21("3","4","7","7","1","5","4","1") = "6"
    & skf21("3","4","7","7","1","5","5","1") = "6"
    & skf21("3","4","7","7","1","5","6","1") = "6"
    & skf21("3","4","7","7","1","5","7","1") = "6"
    & skf21("3","4","7","7","1","6","1","1") = "6"
    & skf21("3","4","7","7","1","6","2","1") = "6"
    & skf21("3","4","7","7","1","6","3","1") = "6"
    & skf21("3","4","7","7","1","6","4","1") = "6"
    & skf21("3","4","7","7","1","6","5","1") = "6"
    & skf21("3","4","7","7","1","6","6","1") = "6"
    & skf21("3","4","7","7","1","6","7","1") = "6"
    & skf21("3","4","7","7","1","7","1","1") = "6"
    & skf21("3","4","7","7","1","7","2","1") = "6"
    & skf21("3","4","7","7","1","7","3","1") = "6"
    & skf21("3","4","7","7","1","7","4","1") = "6"
    & skf21("3","4","7","7","1","7","5","1") = "6"
    & skf21("3","4","7","7","1","7","6","1") = "6"
    & skf21("3","4","7","7","1","7","7","1") = "6"
    & skf21("3","4","7","7","2","1","1","1") = "6"
    & skf21("3","4","7","7","2","1","2","1") = "6"
    & skf21("3","4","7","7","2","1","3","1") = "6"
    & skf21("3","4","7","7","2","1","4","1") = "6"
    & skf21("3","4","7","7","2","1","5","1") = "6"
    & skf21("3","4","7","7","2","1","6","1") = "6"
    & skf21("3","4","7","7","2","1","7","1") = "6"
    & skf21("3","4","7","7","2","2","1","1") = "6"
    & skf21("3","4","7","7","2","2","2","1") = "6"
    & skf21("3","4","7","7","2","2","3","1") = "6"
    & skf21("3","4","7","7","2","2","4","1") = "6"
    & skf21("3","4","7","7","2","2","5","1") = "6"
    & skf21("3","4","7","7","2","2","6","1") = "6"
    & skf21("3","4","7","7","2","2","7","1") = "6"
    & skf21("3","4","7","7","2","3","1","1") = "6"
    & skf21("3","4","7","7","2","3","2","1") = "6"
    & skf21("3","4","7","7","2","3","3","1") = "6"
    & skf21("3","4","7","7","2","3","4","1") = "6"
    & skf21("3","4","7","7","2","3","5","1") = "6"
    & skf21("3","4","7","7","2","3","6","1") = "6"
    & skf21("3","4","7","7","2","3","7","1") = "6"
    & skf21("3","4","7","7","2","4","1","1") = "6"
    & skf21("3","4","7","7","2","4","2","1") = "6"
    & skf21("3","4","7","7","2","4","3","1") = "6"
    & skf21("3","4","7","7","2","4","4","1") = "6"
    & skf21("3","4","7","7","2","4","5","1") = "6"
    & skf21("3","4","7","7","2","4","6","1") = "6"
    & skf21("3","4","7","7","2","4","7","1") = "6"
    & skf21("3","4","7","7","2","5","1","1") = "6"
    & skf21("3","4","7","7","2","5","2","1") = "6"
    & skf21("3","4","7","7","2","5","3","1") = "6"
    & skf21("3","4","7","7","2","5","4","1") = "6"
    & skf21("3","4","7","7","2","5","5","1") = "6"
    & skf21("3","4","7","7","2","5","6","1") = "6"
    & skf21("3","4","7","7","2","5","7","1") = "6"
    & skf21("3","4","7","7","2","6","1","1") = "6"
    & skf21("3","4","7","7","2","6","2","1") = "6"
    & skf21("3","4","7","7","2","6","3","1") = "6"
    & skf21("3","4","7","7","2","6","4","1") = "6"
    & skf21("3","4","7","7","2","6","5","1") = "6"
    & skf21("3","4","7","7","2","6","6","1") = "6"
    & skf21("3","4","7","7","2","6","7","1") = "6"
    & skf21("3","4","7","7","2","7","1","1") = "6"
    & skf21("3","4","7","7","2","7","2","1") = "6"
    & skf21("3","4","7","7","2","7","3","1") = "6"
    & skf21("3","4","7","7","2","7","4","1") = "6"
    & skf21("3","4","7","7","2","7","5","1") = "6"
    & skf21("3","4","7","7","2","7","6","1") = "6"
    & skf21("3","4","7","7","2","7","7","1") = "6"
    & skf21("3","4","7","7","3","1","1","1") = "6"
    & skf21("3","4","7","7","3","1","2","1") = "6"
    & skf21("3","4","7","7","3","1","3","1") = "6"
    & skf21("3","4","7","7","3","1","4","1") = "6"
    & skf21("3","4","7","7","3","1","5","1") = "6"
    & skf21("3","4","7","7","3","1","6","1") = "6"
    & skf21("3","4","7","7","3","1","7","1") = "6"
    & skf21("3","4","7","7","3","2","1","1") = "6"
    & skf21("3","4","7","7","3","2","2","1") = "6"
    & skf21("3","4","7","7","3","2","3","1") = "6"
    & skf21("3","4","7","7","3","2","4","1") = "6"
    & skf21("3","4","7","7","3","2","5","1") = "6"
    & skf21("3","4","7","7","3","2","6","1") = "6"
    & skf21("3","4","7","7","3","2","7","1") = "6"
    & skf21("3","4","7","7","3","3","1","1") = "6"
    & skf21("3","4","7","7","3","3","2","1") = "6"
    & skf21("3","4","7","7","3","3","3","1") = "6"
    & skf21("3","4","7","7","3","3","4","1") = "6"
    & skf21("3","4","7","7","3","3","5","1") = "6"
    & skf21("3","4","7","7","3","3","6","1") = "6"
    & skf21("3","4","7","7","3","3","7","1") = "6"
    & skf21("3","4","7","7","3","4","1","1") = "6"
    & skf21("3","4","7","7","3","4","2","1") = "6"
    & skf21("3","4","7","7","3","4","3","1") = "6"
    & skf21("3","4","7","7","3","4","4","1") = "6"
    & skf21("3","4","7","7","3","4","5","1") = "6"
    & skf21("3","4","7","7","3","4","6","1") = "6"
    & skf21("3","4","7","7","3","4","7","1") = "6"
    & skf21("3","4","7","7","3","5","1","1") = "6"
    & skf21("3","4","7","7","3","5","2","1") = "6"
    & skf21("3","4","7","7","3","5","3","1") = "6"
    & skf21("3","4","7","7","3","5","4","1") = "6"
    & skf21("3","4","7","7","3","5","5","1") = "6"
    & skf21("3","4","7","7","3","5","6","1") = "6"
    & skf21("3","4","7","7","3","5","7","1") = "6"
    & skf21("3","4","7","7","3","6","1","1") = "6"
    & skf21("3","4","7","7","3","6","2","1") = "6"
    & skf21("3","4","7","7","3","6","3","1") = "6"
    & skf21("3","4","7","7","3","6","4","1") = "6"
    & skf21("3","4","7","7","3","6","5","1") = "6"
    & skf21("3","4","7","7","3","6","6","1") = "6"
    & skf21("3","4","7","7","3","6","7","1") = "6"
    & skf21("3","4","7","7","3","7","1","1") = "6"
    & skf21("3","4","7","7","3","7","2","1") = "6"
    & skf21("3","4","7","7","3","7","3","1") = "6"
    & skf21("3","4","7","7","3","7","4","1") = "6"
    & skf21("3","4","7","7","3","7","5","1") = "6"
    & skf21("3","4","7","7","3","7","6","1") = "6"
    & skf21("3","4","7","7","3","7","7","1") = "6"
    & skf21("3","4","7","7","4","1","1","1") = "6"
    & skf21("3","4","7","7","4","1","2","1") = "6"
    & skf21("3","4","7","7","4","1","3","1") = "6"
    & skf21("3","4","7","7","4","1","4","1") = "6"
    & skf21("3","4","7","7","4","1","5","1") = "6"
    & skf21("3","4","7","7","4","1","6","1") = "6"
    & skf21("3","4","7","7","4","1","7","1") = "6"
    & skf21("3","4","7","7","4","2","1","1") = "6"
    & skf21("3","4","7","7","4","2","2","1") = "6"
    & skf21("3","4","7","7","4","2","3","1") = "6"
    & skf21("3","4","7","7","4","2","4","1") = "6"
    & skf21("3","4","7","7","4","2","5","1") = "6"
    & skf21("3","4","7","7","4","2","6","1") = "6"
    & skf21("3","4","7","7","4","2","7","1") = "6"
    & skf21("3","4","7","7","4","3","1","1") = "6"
    & skf21("3","4","7","7","4","3","2","1") = "6"
    & skf21("3","4","7","7","4","3","3","1") = "6"
    & skf21("3","4","7","7","4","3","4","1") = "6"
    & skf21("3","4","7","7","4","3","5","1") = "6"
    & skf21("3","4","7","7","4","3","6","1") = "6"
    & skf21("3","4","7","7","4","3","7","1") = "6"
    & skf21("3","4","7","7","4","4","1","1") = "6"
    & skf21("3","4","7","7","4","4","2","1") = "6"
    & skf21("3","4","7","7","4","4","3","1") = "6"
    & skf21("3","4","7","7","4","4","4","1") = "6"
    & skf21("3","4","7","7","4","4","5","1") = "6"
    & skf21("3","4","7","7","4","4","6","1") = "6"
    & skf21("3","4","7","7","4","4","7","1") = "6"
    & skf21("3","4","7","7","4","5","1","1") = "6"
    & skf21("3","4","7","7","4","5","2","1") = "6"
    & skf21("3","4","7","7","4","5","3","1") = "6"
    & skf21("3","4","7","7","4","5","4","1") = "6"
    & skf21("3","4","7","7","4","5","5","1") = "6"
    & skf21("3","4","7","7","4","5","6","1") = "6"
    & skf21("3","4","7","7","4","5","7","1") = "6"
    & skf21("3","4","7","7","4","6","1","1") = "6"
    & skf21("3","4","7","7","4","6","2","1") = "6"
    & skf21("3","4","7","7","4","6","3","1") = "6"
    & skf21("3","4","7","7","4","6","4","1") = "6"
    & skf21("3","4","7","7","4","6","5","1") = "6"
    & skf21("3","4","7","7","4","6","6","1") = "6"
    & skf21("3","4","7","7","4","6","7","1") = "6"
    & skf21("3","4","7","7","4","7","1","1") = "6"
    & skf21("3","4","7","7","4","7","2","1") = "6"
    & skf21("3","4","7","7","4","7","3","1") = "6"
    & skf21("3","4","7","7","4","7","4","1") = "6"
    & skf21("3","4","7","7","4","7","5","1") = "6"
    & skf21("3","4","7","7","4","7","6","1") = "6"
    & skf21("3","4","7","7","4","7","7","1") = "6"
    & skf21("3","4","7","7","5","1","1","1") = "6"
    & skf21("3","4","7","7","5","1","2","1") = "6"
    & skf21("3","4","7","7","5","1","3","1") = "6"
    & skf21("3","4","7","7","5","1","4","1") = "6"
    & skf21("3","4","7","7","5","1","5","1") = "6"
    & skf21("3","4","7","7","5","1","6","1") = "6"
    & skf21("3","4","7","7","5","1","7","1") = "6"
    & skf21("3","4","7","7","5","2","1","1") = "6"
    & skf21("3","4","7","7","5","2","2","1") = "6"
    & skf21("3","4","7","7","5","2","3","1") = "6"
    & skf21("3","4","7","7","5","2","4","1") = "6"
    & skf21("3","4","7","7","5","2","5","1") = "6"
    & skf21("3","4","7","7","5","2","6","1") = "6"
    & skf21("3","4","7","7","5","2","7","1") = "6"
    & skf21("3","4","7","7","5","3","1","1") = "6"
    & skf21("3","4","7","7","5","3","2","1") = "6"
    & skf21("3","4","7","7","5","3","3","1") = "6"
    & skf21("3","4","7","7","5","3","4","1") = "6"
    & skf21("3","4","7","7","5","3","5","1") = "6"
    & skf21("3","4","7","7","5","3","6","1") = "6"
    & skf21("3","4","7","7","5","3","7","1") = "6"
    & skf21("3","4","7","7","5","4","1","1") = "6"
    & skf21("3","4","7","7","5","4","2","1") = "6"
    & skf21("3","4","7","7","5","4","3","1") = "6"
    & skf21("3","4","7","7","5","4","4","1") = "6"
    & skf21("3","4","7","7","5","4","5","1") = "6"
    & skf21("3","4","7","7","5","4","6","1") = "6"
    & skf21("3","4","7","7","5","4","7","1") = "6"
    & skf21("3","4","7","7","5","5","1","1") = "6"
    & skf21("3","4","7","7","5","5","2","1") = "6"
    & skf21("3","4","7","7","5","5","3","1") = "6"
    & skf21("3","4","7","7","5","5","4","1") = "6"
    & skf21("3","4","7","7","5","5","5","1") = "6"
    & skf21("3","4","7","7","5","5","6","1") = "6"
    & skf21("3","4","7","7","5","5","7","1") = "6"
    & skf21("3","4","7","7","5","6","1","1") = "6"
    & skf21("3","4","7","7","5","6","2","1") = "6"
    & skf21("3","4","7","7","5","6","3","1") = "6"
    & skf21("3","4","7","7","5","6","4","1") = "6"
    & skf21("3","4","7","7","5","6","5","1") = "6"
    & skf21("3","4","7","7","5","6","6","1") = "6"
    & skf21("3","4","7","7","5","6","7","1") = "6"
    & skf21("3","4","7","7","5","7","1","1") = "6"
    & skf21("3","4","7","7","5","7","2","1") = "6"
    & skf21("3","4","7","7","5","7","3","1") = "6"
    & skf21("3","4","7","7","5","7","4","1") = "6"
    & skf21("3","4","7","7","5","7","5","1") = "6"
    & skf21("3","4","7","7","5","7","6","1") = "6"
    & skf21("3","4","7","7","5","7","7","1") = "6"
    & skf21("3","4","7","7","6","1","1","1") = "6"
    & skf21("3","4","7","7","6","1","2","1") = "6"
    & skf21("3","4","7","7","6","1","3","1") = "6"
    & skf21("3","4","7","7","6","1","4","1") = "6"
    & skf21("3","4","7","7","6","1","5","1") = "6"
    & skf21("3","4","7","7","6","1","6","1") = "6"
    & skf21("3","4","7","7","6","1","7","1") = "6"
    & skf21("3","4","7","7","6","2","1","1") = "6"
    & skf21("3","4","7","7","6","2","2","1") = "6"
    & skf21("3","4","7","7","6","2","3","1") = "6"
    & skf21("3","4","7","7","6","2","4","1") = "6"
    & skf21("3","4","7","7","6","2","5","1") = "6"
    & skf21("3","4","7","7","6","2","6","1") = "6"
    & skf21("3","4","7","7","6","2","7","1") = "6"
    & skf21("3","4","7","7","6","3","1","1") = "6"
    & skf21("3","4","7","7","6","3","2","1") = "6"
    & skf21("3","4","7","7","6","3","3","1") = "6"
    & skf21("3","4","7","7","6","3","4","1") = "6"
    & skf21("3","4","7","7","6","3","5","1") = "6"
    & skf21("3","4","7","7","6","3","6","1") = "6"
    & skf21("3","4","7","7","6","3","7","1") = "6"
    & skf21("3","4","7","7","6","4","1","1") = "6"
    & skf21("3","4","7","7","6","4","2","1") = "6"
    & skf21("3","4","7","7","6","4","3","1") = "6"
    & skf21("3","4","7","7","6","4","4","1") = "6"
    & skf21("3","4","7","7","6","4","5","1") = "6"
    & skf21("3","4","7","7","6","4","6","1") = "6"
    & skf21("3","4","7","7","6","4","7","1") = "6"
    & skf21("3","4","7","7","6","5","1","1") = "6"
    & skf21("3","4","7","7","6","5","2","1") = "6"
    & skf21("3","4","7","7","6","5","3","1") = "6"
    & skf21("3","4","7","7","6","5","4","1") = "6"
    & skf21("3","4","7","7","6","5","5","1") = "6"
    & skf21("3","4","7","7","6","5","6","1") = "6"
    & skf21("3","4","7","7","6","5","7","1") = "6"
    & skf21("3","4","7","7","6","6","1","1") = "6"
    & skf21("3","4","7","7","6","6","2","1") = "6"
    & skf21("3","4","7","7","6","6","3","1") = "6"
    & skf21("3","4","7","7","6","6","4","1") = "6"
    & skf21("3","4","7","7","6","6","5","1") = "6"
    & skf21("3","4","7","7","6","6","6","1") = "6"
    & skf21("3","4","7","7","6","6","7","1") = "6"
    & skf21("3","4","7","7","6","7","1","1") = "6"
    & skf21("3","4","7","7","6","7","2","1") = "6"
    & skf21("3","4","7","7","6","7","3","1") = "6"
    & skf21("3","4","7","7","6","7","4","1") = "6"
    & skf21("3","4","7","7","6","7","5","1") = "6"
    & skf21("3","4","7","7","6","7","6","1") = "6"
    & skf21("3","4","7","7","6","7","7","1") = "6"
    & skf21("3","4","7","7","7","1","1","1") = "6"
    & skf21("3","4","7","7","7","1","2","1") = "6"
    & skf21("3","4","7","7","7","1","3","1") = "6"
    & skf21("3","4","7","7","7","1","4","1") = "6"
    & skf21("3","4","7","7","7","1","5","1") = "6"
    & skf21("3","4","7","7","7","1","6","1") = "6"
    & skf21("3","4","7","7","7","1","7","1") = "6"
    & skf21("3","4","7","7","7","2","1","1") = "6"
    & skf21("3","4","7","7","7","2","2","1") = "6"
    & skf21("3","4","7","7","7","2","3","1") = "6"
    & skf21("3","4","7","7","7","2","4","1") = "6"
    & skf21("3","4","7","7","7","2","5","1") = "6"
    & skf21("3","4","7","7","7","2","6","1") = "6"
    & skf21("3","4","7","7","7","2","7","1") = "6"
    & skf21("3","4","7","7","7","3","1","1") = "6"
    & skf21("3","4","7","7","7","3","2","1") = "6"
    & skf21("3","4","7","7","7","3","3","1") = "6"
    & skf21("3","4","7","7","7","3","4","1") = "6"
    & skf21("3","4","7","7","7","3","5","1") = "6"
    & skf21("3","4","7","7","7","3","6","1") = "6"
    & skf21("3","4","7","7","7","3","7","1") = "6"
    & skf21("3","4","7","7","7","4","1","1") = "6"
    & skf21("3","4","7","7","7","4","2","1") = "6"
    & skf21("3","4","7","7","7","4","3","1") = "6"
    & skf21("3","4","7","7","7","4","4","1") = "6"
    & skf21("3","4","7","7","7","4","5","1") = "6"
    & skf21("3","4","7","7","7","4","6","1") = "6"
    & skf21("3","4","7","7","7","4","7","1") = "6"
    & skf21("3","4","7","7","7","5","1","1") = "6"
    & skf21("3","4","7","7","7","5","2","1") = "6"
    & skf21("3","4","7","7","7","5","3","1") = "6"
    & skf21("3","4","7","7","7","5","4","1") = "6"
    & skf21("3","4","7","7","7","5","5","1") = "6"
    & skf21("3","4","7","7","7","5","6","1") = "6"
    & skf21("3","4","7","7","7","5","7","1") = "6"
    & skf21("3","4","7","7","7","6","1","1") = "6"
    & skf21("3","4","7","7","7","6","2","1") = "6"
    & skf21("3","4","7","7","7","6","3","1") = "6"
    & skf21("3","4","7","7","7","6","4","1") = "6"
    & skf21("3","4","7","7","7","6","5","1") = "6"
    & skf21("3","4","7","7","7","6","6","1") = "6"
    & skf21("3","4","7","7","7","6","7","1") = "6"
    & skf21("3","4","7","7","7","7","1","1") = "6"
    & skf21("3","4","7","7","7","7","2","1") = "6"
    & skf21("3","4","7","7","7","7","3","1") = "6"
    & skf21("3","4","7","7","7","7","4","1") = "6"
    & skf21("3","4","7","7","7","7","5","1") = "6"
    & skf21("3","4","7","7","7","7","6","1") = "6"
    & skf21("3","4","7","7","7","7","7","1") = "6"
    & skf21("3","5","1","1","1","1","1","1") = "4"
    & skf21("3","5","1","1","1","1","2","1") = "4"
    & skf21("3","5","1","1","1","1","3","1") = "4"
    & skf21("3","5","1","1","1","1","4","1") = "4"
    & skf21("3","5","1","1","1","1","5","1") = "4"
    & skf21("3","5","1","1","1","1","6","1") = "5"
    & skf21("3","5","1","1","1","1","7","1") = "6"
    & skf21("3","5","1","1","1","2","1","1") = "4"
    & skf21("3","5","1","1","1","2","2","1") = "4"
    & skf21("3","5","1","1","1","2","3","1") = "4"
    & skf21("3","5","1","1","1","2","4","1") = "4"
    & skf21("3","5","1","1","1","2","5","1") = "4"
    & skf21("3","5","1","1","1","2","6","1") = "5"
    & skf21("3","5","1","1","1","2","7","1") = "6"
    & skf21("3","5","1","1","1","3","1","1") = "4"
    & skf21("3","5","1","1","1","3","2","1") = "4"
    & skf21("3","5","1","1","1","3","3","1") = "4"
    & skf21("3","5","1","1","1","3","4","1") = "4"
    & skf21("3","5","1","1","1","3","5","1") = "4"
    & skf21("3","5","1","1","1","3","6","1") = "5"
    & skf21("3","5","1","1","1","3","7","1") = "6"
    & skf21("3","5","1","1","1","4","1","1") = "4"
    & skf21("3","5","1","1","1","4","2","1") = "4"
    & skf21("3","5","1","1","1","4","3","1") = "4"
    & skf21("3","5","1","1","1","4","4","1") = "4"
    & skf21("3","5","1","1","1","4","5","1") = "4"
    & skf21("3","5","1","1","1","4","6","1") = "5"
    & skf21("3","5","1","1","1","4","7","1") = "6"
    & skf21("3","5","1","1","1","5","1","1") = "4"
    & skf21("3","5","1","1","1","5","2","1") = "4"
    & skf21("3","5","1","1","1","5","3","1") = "4"
    & skf21("3","5","1","1","1","5","4","1") = "4"
    & skf21("3","5","1","1","1","5","5","1") = "4"
    & skf21("3","5","1","1","1","5","6","1") = "5"
    & skf21("3","5","1","1","1","5","7","1") = "6"
    & skf21("3","5","1","1","1","6","1","1") = "5"
    & skf21("3","5","1","1","1","6","2","1") = "5"
    & skf21("3","5","1","1","1","6","3","1") = "5"
    & skf21("3","5","1","1","1","6","4","1") = "5"
    & skf21("3","5","1","1","1","6","5","1") = "5"
    & skf21("3","5","1","1","1","6","6","1") = "5"
    & skf21("3","5","1","1","1","6","7","1") = "6"
    & skf21("3","5","1","1","1","7","1","1") = "6"
    & skf21("3","5","1","1","1","7","2","1") = "6"
    & skf21("3","5","1","1","1","7","3","1") = "6"
    & skf21("3","5","1","1","1","7","4","1") = "6"
    & skf21("3","5","1","1","1","7","5","1") = "6"
    & skf21("3","5","1","1","1","7","6","1") = "6"
    & skf21("3","5","1","1","1","7","7","1") = "6"
    & skf21("3","5","1","1","2","1","1","1") = "4"
    & skf21("3","5","1","1","2","1","2","1") = "4"
    & skf21("3","5","1","1","2","1","3","1") = "4"
    & skf21("3","5","1","1","2","1","4","1") = "4"
    & skf21("3","5","1","1","2","1","5","1") = "4"
    & skf21("3","5","1","1","2","1","6","1") = "5"
    & skf21("3","5","1","1","2","1","7","1") = "6"
    & skf21("3","5","1","1","2","2","1","1") = "4"
    & skf21("3","5","1","1","2","2","2","1") = "4"
    & skf21("3","5","1","1","2","2","3","1") = "4"
    & skf21("3","5","1","1","2","2","4","1") = "4"
    & skf21("3","5","1","1","2","2","5","1") = "4"
    & skf21("3","5","1","1","2","2","6","1") = "5"
    & skf21("3","5","1","1","2","2","7","1") = "6"
    & skf21("3","5","1","1","2","3","1","1") = "4"
    & skf21("3","5","1","1","2","3","2","1") = "4"
    & skf21("3","5","1","1","2","3","3","1") = "4"
    & skf21("3","5","1","1","2","3","4","1") = "4"
    & skf21("3","5","1","1","2","3","5","1") = "4"
    & skf21("3","5","1","1","2","3","6","1") = "5"
    & skf21("3","5","1","1","2","3","7","1") = "6"
    & skf21("3","5","1","1","2","4","1","1") = "4"
    & skf21("3","5","1","1","2","4","2","1") = "4"
    & skf21("3","5","1","1","2","4","3","1") = "4"
    & skf21("3","5","1","1","2","4","4","1") = "4"
    & skf21("3","5","1","1","2","4","5","1") = "4"
    & skf21("3","5","1","1","2","4","6","1") = "5"
    & skf21("3","5","1","1","2","4","7","1") = "6"
    & skf21("3","5","1","1","2","5","1","1") = "4"
    & skf21("3","5","1","1","2","5","2","1") = "4"
    & skf21("3","5","1","1","2","5","3","1") = "4"
    & skf21("3","5","1","1","2","5","4","1") = "4"
    & skf21("3","5","1","1","2","5","5","1") = "4"
    & skf21("3","5","1","1","2","5","6","1") = "5"
    & skf21("3","5","1","1","2","5","7","1") = "6"
    & skf21("3","5","1","1","2","6","1","1") = "5"
    & skf21("3","5","1","1","2","6","2","1") = "5"
    & skf21("3","5","1","1","2","6","3","1") = "5"
    & skf21("3","5","1","1","2","6","4","1") = "5"
    & skf21("3","5","1","1","2","6","5","1") = "5"
    & skf21("3","5","1","1","2","6","6","1") = "5"
    & skf21("3","5","1","1","2","6","7","1") = "6"
    & skf21("3","5","1","1","2","7","1","1") = "6"
    & skf21("3","5","1","1","2","7","2","1") = "6"
    & skf21("3","5","1","1","2","7","3","1") = "6"
    & skf21("3","5","1","1","2","7","4","1") = "6"
    & skf21("3","5","1","1","2","7","5","1") = "6"
    & skf21("3","5","1","1","2","7","6","1") = "6"
    & skf21("3","5","1","1","2","7","7","1") = "6"
    & skf21("3","5","1","1","3","1","1","1") = "4"
    & skf21("3","5","1","1","3","1","2","1") = "4"
    & skf21("3","5","1","1","3","1","3","1") = "4"
    & skf21("3","5","1","1","3","1","4","1") = "4"
    & skf21("3","5","1","1","3","1","5","1") = "4"
    & skf21("3","5","1","1","3","1","6","1") = "5"
    & skf21("3","5","1","1","3","1","7","1") = "6"
    & skf21("3","5","1","1","3","2","1","1") = "4"
    & skf21("3","5","1","1","3","2","2","1") = "4"
    & skf21("3","5","1","1","3","2","3","1") = "4"
    & skf21("3","5","1","1","3","2","4","1") = "4"
    & skf21("3","5","1","1","3","2","5","1") = "4"
    & skf21("3","5","1","1","3","2","6","1") = "5"
    & skf21("3","5","1","1","3","2","7","1") = "6"
    & skf21("3","5","1","1","3","3","1","1") = "4"
    & skf21("3","5","1","1","3","3","2","1") = "4"
    & skf21("3","5","1","1","3","3","3","1") = "4"
    & skf21("3","5","1","1","3","3","4","1") = "4"
    & skf21("3","5","1","1","3","3","5","1") = "4"
    & skf21("3","5","1","1","3","3","6","1") = "5"
    & skf21("3","5","1","1","3","3","7","1") = "6"
    & skf21("3","5","1","1","3","4","1","1") = "4"
    & skf21("3","5","1","1","3","4","2","1") = "4"
    & skf21("3","5","1","1","3","4","3","1") = "4"
    & skf21("3","5","1","1","3","4","4","1") = "4"
    & skf21("3","5","1","1","3","4","5","1") = "4"
    & skf21("3","5","1","1","3","4","6","1") = "5"
    & skf21("3","5","1","1","3","4","7","1") = "6"
    & skf21("3","5","1","1","3","5","1","1") = "4"
    & skf21("3","5","1","1","3","5","2","1") = "4"
    & skf21("3","5","1","1","3","5","3","1") = "4"
    & skf21("3","5","1","1","3","5","4","1") = "4"
    & skf21("3","5","1","1","3","5","5","1") = "4"
    & skf21("3","5","1","1","3","5","6","1") = "5"
    & skf21("3","5","1","1","3","5","7","1") = "6"
    & skf21("3","5","1","1","3","6","1","1") = "5"
    & skf21("3","5","1","1","3","6","2","1") = "5"
    & skf21("3","5","1","1","3","6","3","1") = "5"
    & skf21("3","5","1","1","3","6","4","1") = "5"
    & skf21("3","5","1","1","3","6","5","1") = "5"
    & skf21("3","5","1","1","3","6","6","1") = "5"
    & skf21("3","5","1","1","3","6","7","1") = "6"
    & skf21("3","5","1","1","3","7","1","1") = "6"
    & skf21("3","5","1","1","3","7","2","1") = "6"
    & skf21("3","5","1","1","3","7","3","1") = "6"
    & skf21("3","5","1","1","3","7","4","1") = "6"
    & skf21("3","5","1","1","3","7","5","1") = "6"
    & skf21("3","5","1","1","3","7","6","1") = "6"
    & skf21("3","5","1","1","3","7","7","1") = "6"
    & skf21("3","5","1","1","4","1","1","1") = "4"
    & skf21("3","5","1","1","4","1","2","1") = "4"
    & skf21("3","5","1","1","4","1","3","1") = "4"
    & skf21("3","5","1","1","4","1","4","1") = "4"
    & skf21("3","5","1","1","4","1","5","1") = "4"
    & skf21("3","5","1","1","4","1","6","1") = "5"
    & skf21("3","5","1","1","4","1","7","1") = "6"
    & skf21("3","5","1","1","4","2","1","1") = "4"
    & skf21("3","5","1","1","4","2","2","1") = "4"
    & skf21("3","5","1","1","4","2","3","1") = "4"
    & skf21("3","5","1","1","4","2","4","1") = "4"
    & skf21("3","5","1","1","4","2","5","1") = "4"
    & skf21("3","5","1","1","4","2","6","1") = "5"
    & skf21("3","5","1","1","4","2","7","1") = "6"
    & skf21("3","5","1","1","4","3","1","1") = "4"
    & skf21("3","5","1","1","4","3","2","1") = "4"
    & skf21("3","5","1","1","4","3","3","1") = "4"
    & skf21("3","5","1","1","4","3","4","1") = "4"
    & skf21("3","5","1","1","4","3","5","1") = "4"
    & skf21("3","5","1","1","4","3","6","1") = "5"
    & skf21("3","5","1","1","4","3","7","1") = "6"
    & skf21("3","5","1","1","4","4","1","1") = "4"
    & skf21("3","5","1","1","4","4","2","1") = "4"
    & skf21("3","5","1","1","4","4","3","1") = "4"
    & skf21("3","5","1","1","4","4","4","1") = "4"
    & skf21("3","5","1","1","4","4","5","1") = "4"
    & skf21("3","5","1","1","4","4","6","1") = "5"
    & skf21("3","5","1","1","4","4","7","1") = "6"
    & skf21("3","5","1","1","4","5","1","1") = "4"
    & skf21("3","5","1","1","4","5","2","1") = "4"
    & skf21("3","5","1","1","4","5","3","1") = "4"
    & skf21("3","5","1","1","4","5","4","1") = "4"
    & skf21("3","5","1","1","4","5","5","1") = "4"
    & skf21("3","5","1","1","4","5","6","1") = "5"
    & skf21("3","5","1","1","4","5","7","1") = "6"
    & skf21("3","5","1","1","4","6","1","1") = "5"
    & skf21("3","5","1","1","4","6","2","1") = "5"
    & skf21("3","5","1","1","4","6","3","1") = "5"
    & skf21("3","5","1","1","4","6","4","1") = "5"
    & skf21("3","5","1","1","4","6","5","1") = "5"
    & skf21("3","5","1","1","4","6","6","1") = "5"
    & skf21("3","5","1","1","4","6","7","1") = "6"
    & skf21("3","5","1","1","4","7","1","1") = "6"
    & skf21("3","5","1","1","4","7","2","1") = "6"
    & skf21("3","5","1","1","4","7","3","1") = "6"
    & skf21("3","5","1","1","4","7","4","1") = "6"
    & skf21("3","5","1","1","4","7","5","1") = "6"
    & skf21("3","5","1","1","4","7","6","1") = "6"
    & skf21("3","5","1","1","4","7","7","1") = "6"
    & skf21("3","5","1","1","5","1","1","1") = "4"
    & skf21("3","5","1","1","5","1","2","1") = "4"
    & skf21("3","5","1","1","5","1","3","1") = "4"
    & skf21("3","5","1","1","5","1","4","1") = "4"
    & skf21("3","5","1","1","5","1","5","1") = "4"
    & skf21("3","5","1","1","5","1","6","1") = "5"
    & skf21("3","5","1","1","5","1","7","1") = "6"
    & skf21("3","5","1","1","5","2","1","1") = "4"
    & skf21("3","5","1","1","5","2","2","1") = "4"
    & skf21("3","5","1","1","5","2","3","1") = "4"
    & skf21("3","5","1","1","5","2","4","1") = "4"
    & skf21("3","5","1","1","5","2","5","1") = "4"
    & skf21("3","5","1","1","5","2","6","1") = "5"
    & skf21("3","5","1","1","5","2","7","1") = "6"
    & skf21("3","5","1","1","5","3","1","1") = "4"
    & skf21("3","5","1","1","5","3","2","1") = "4"
    & skf21("3","5","1","1","5","3","3","1") = "4"
    & skf21("3","5","1","1","5","3","4","1") = "4"
    & skf21("3","5","1","1","5","3","5","1") = "4"
    & skf21("3","5","1","1","5","3","6","1") = "5"
    & skf21("3","5","1","1","5","3","7","1") = "6"
    & skf21("3","5","1","1","5","4","1","1") = "4"
    & skf21("3","5","1","1","5","4","2","1") = "4"
    & skf21("3","5","1","1","5","4","3","1") = "4"
    & skf21("3","5","1","1","5","4","4","1") = "4"
    & skf21("3","5","1","1","5","4","5","1") = "4"
    & skf21("3","5","1","1","5","4","6","1") = "5"
    & skf21("3","5","1","1","5","4","7","1") = "6"
    & skf21("3","5","1","1","5","5","1","1") = "4"
    & skf21("3","5","1","1","5","5","2","1") = "4"
    & skf21("3","5","1","1","5","5","3","1") = "4"
    & skf21("3","5","1","1","5","5","4","1") = "4"
    & skf21("3","5","1","1","5","5","5","1") = "4"
    & skf21("3","5","1","1","5","5","6","1") = "5"
    & skf21("3","5","1","1","5","5","7","1") = "6"
    & skf21("3","5","1","1","5","6","1","1") = "5"
    & skf21("3","5","1","1","5","6","2","1") = "5"
    & skf21("3","5","1","1","5","6","3","1") = "5"
    & skf21("3","5","1","1","5","6","4","1") = "5"
    & skf21("3","5","1","1","5","6","5","1") = "5"
    & skf21("3","5","1","1","5","6","6","1") = "5"
    & skf21("3","5","1","1","5","6","7","1") = "6"
    & skf21("3","5","1","1","5","7","1","1") = "6"
    & skf21("3","5","1","1","5","7","2","1") = "6"
    & skf21("3","5","1","1","5","7","3","1") = "6"
    & skf21("3","5","1","1","5","7","4","1") = "6"
    & skf21("3","5","1","1","5","7","5","1") = "6"
    & skf21("3","5","1","1","5","7","6","1") = "6"
    & skf21("3","5","1","1","5","7","7","1") = "6"
    & skf21("3","5","1","1","6","1","1","1") = "5"
    & skf21("3","5","1","1","6","1","2","1") = "5"
    & skf21("3","5","1","1","6","1","3","1") = "5"
    & skf21("3","5","1","1","6","1","4","1") = "5"
    & skf21("3","5","1","1","6","1","5","1") = "5"
    & skf21("3","5","1","1","6","1","6","1") = "5"
    & skf21("3","5","1","1","6","1","7","1") = "6"
    & skf21("3","5","1","1","6","2","1","1") = "5"
    & skf21("3","5","1","1","6","2","2","1") = "5"
    & skf21("3","5","1","1","6","2","3","1") = "5"
    & skf21("3","5","1","1","6","2","4","1") = "5"
    & skf21("3","5","1","1","6","2","5","1") = "5"
    & skf21("3","5","1","1","6","2","6","1") = "5"
    & skf21("3","5","1","1","6","2","7","1") = "6"
    & skf21("3","5","1","1","6","3","1","1") = "5"
    & skf21("3","5","1","1","6","3","2","1") = "5"
    & skf21("3","5","1","1","6","3","3","1") = "5"
    & skf21("3","5","1","1","6","3","4","1") = "5"
    & skf21("3","5","1","1","6","3","5","1") = "5"
    & skf21("3","5","1","1","6","3","6","1") = "5"
    & skf21("3","5","1","1","6","3","7","1") = "6"
    & skf21("3","5","1","1","6","4","1","1") = "5"
    & skf21("3","5","1","1","6","4","2","1") = "5"
    & skf21("3","5","1","1","6","4","3","1") = "5"
    & skf21("3","5","1","1","6","4","4","1") = "5"
    & skf21("3","5","1","1","6","4","5","1") = "5"
    & skf21("3","5","1","1","6","4","6","1") = "5"
    & skf21("3","5","1","1","6","4","7","1") = "6"
    & skf21("3","5","1","1","6","5","1","1") = "5"
    & skf21("3","5","1","1","6","5","2","1") = "5"
    & skf21("3","5","1","1","6","5","3","1") = "5"
    & skf21("3","5","1","1","6","5","4","1") = "5"
    & skf21("3","5","1","1","6","5","5","1") = "5"
    & skf21("3","5","1","1","6","5","6","1") = "5"
    & skf21("3","5","1","1","6","5","7","1") = "6"
    & skf21("3","5","1","1","6","6","1","1") = "5"
    & skf21("3","5","1","1","6","6","2","1") = "5"
    & skf21("3","5","1","1","6","6","3","1") = "5"
    & skf21("3","5","1","1","6","6","4","1") = "5"
    & skf21("3","5","1","1","6","6","5","1") = "5"
    & skf21("3","5","1","1","6","6","6","1") = "5"
    & skf21("3","5","1","1","6","6","7","1") = "6"
    & skf21("3","5","1","1","6","7","1","1") = "6"
    & skf21("3","5","1","1","6","7","2","1") = "6"
    & skf21("3","5","1","1","6","7","3","1") = "6"
    & skf21("3","5","1","1","6","7","4","1") = "6"
    & skf21("3","5","1","1","6","7","5","1") = "6"
    & skf21("3","5","1","1","6","7","6","1") = "6"
    & skf21("3","5","1","1","6","7","7","1") = "6"
    & skf21("3","5","1","1","7","1","1","1") = "6"
    & skf21("3","5","1","1","7","1","2","1") = "6"
    & skf21("3","5","1","1","7","1","3","1") = "6"
    & skf21("3","5","1","1","7","1","4","1") = "6"
    & skf21("3","5","1","1","7","1","5","1") = "6"
    & skf21("3","5","1","1","7","1","6","1") = "6"
    & skf21("3","5","1","1","7","1","7","1") = "6"
    & skf21("3","5","1","1","7","2","1","1") = "6"
    & skf21("3","5","1","1","7","2","2","1") = "6"
    & skf21("3","5","1","1","7","2","3","1") = "6"
    & skf21("3","5","1","1","7","2","4","1") = "6"
    & skf21("3","5","1","1","7","2","5","1") = "6"
    & skf21("3","5","1","1","7","2","6","1") = "6"
    & skf21("3","5","1","1","7","2","7","1") = "6"
    & skf21("3","5","1","1","7","3","1","1") = "6"
    & skf21("3","5","1","1","7","3","2","1") = "6"
    & skf21("3","5","1","1","7","3","3","1") = "6"
    & skf21("3","5","1","1","7","3","4","1") = "6"
    & skf21("3","5","1","1","7","3","5","1") = "6"
    & skf21("3","5","1","1","7","3","6","1") = "6"
    & skf21("3","5","1","1","7","3","7","1") = "6"
    & skf21("3","5","1","1","7","4","1","1") = "6"
    & skf21("3","5","1","1","7","4","2","1") = "6"
    & skf21("3","5","1","1","7","4","3","1") = "6"
    & skf21("3","5","1","1","7","4","4","1") = "6"
    & skf21("3","5","1","1","7","4","5","1") = "6"
    & skf21("3","5","1","1","7","4","6","1") = "6"
    & skf21("3","5","1","1","7","4","7","1") = "6"
    & skf21("3","5","1","1","7","5","1","1") = "6"
    & skf21("3","5","1","1","7","5","2","1") = "6"
    & skf21("3","5","1","1","7","5","3","1") = "6"
    & skf21("3","5","1","1","7","5","4","1") = "6"
    & skf21("3","5","1","1","7","5","5","1") = "6"
    & skf21("3","5","1","1","7","5","6","1") = "6"
    & skf21("3","5","1","1","7","5","7","1") = "6"
    & skf21("3","5","1","1","7","6","1","1") = "6"
    & skf21("3","5","1","1","7","6","2","1") = "6"
    & skf21("3","5","1","1","7","6","3","1") = "6"
    & skf21("3","5","1","1","7","6","4","1") = "6"
    & skf21("3","5","1","1","7","6","5","1") = "6"
    & skf21("3","5","1","1","7","6","6","1") = "6"
    & skf21("3","5","1","1","7","6","7","1") = "6"
    & skf21("3","5","1","1","7","7","1","1") = "6"
    & skf21("3","5","1","1","7","7","2","1") = "6"
    & skf21("3","5","1","1","7","7","3","1") = "6"
    & skf21("3","5","1","1","7","7","4","1") = "6"
    & skf21("3","5","1","1","7","7","5","1") = "6"
    & skf21("3","5","1","1","7","7","6","1") = "6"
    & skf21("3","5","1","1","7","7","7","1") = "6"
    & skf21("3","5","1","2","1","1","1","1") = "4"
    & skf21("3","5","1","2","1","1","2","1") = "4"
    & skf21("3","5","1","2","1","1","3","1") = "4"
    & skf21("3","5","1","2","1","1","4","1") = "4"
    & skf21("3","5","1","2","1","1","5","1") = "4"
    & skf21("3","5","1","2","1","1","6","1") = "5"
    & skf21("3","5","1","2","1","1","7","1") = "6"
    & skf21("3","5","1","2","1","2","1","1") = "4"
    & skf21("3","5","1","2","1","2","2","1") = "4"
    & skf21("3","5","1","2","1","2","3","1") = "4"
    & skf21("3","5","1","2","1","2","4","1") = "4"
    & skf21("3","5","1","2","1","2","5","1") = "4"
    & skf21("3","5","1","2","1","2","6","1") = "5"
    & skf21("3","5","1","2","1","2","7","1") = "6"
    & skf21("3","5","1","2","1","3","1","1") = "4"
    & skf21("3","5","1","2","1","3","2","1") = "4"
    & skf21("3","5","1","2","1","3","3","1") = "4"
    & skf21("3","5","1","2","1","3","4","1") = "4"
    & skf21("3","5","1","2","1","3","5","1") = "4"
    & skf21("3","5","1","2","1","3","6","1") = "5"
    & skf21("3","5","1","2","1","3","7","1") = "6"
    & skf21("3","5","1","2","1","4","1","1") = "4"
    & skf21("3","5","1","2","1","4","2","1") = "4"
    & skf21("3","5","1","2","1","4","3","1") = "4"
    & skf21("3","5","1","2","1","4","4","1") = "4"
    & skf21("3","5","1","2","1","4","5","1") = "4"
    & skf21("3","5","1","2","1","4","6","1") = "5"
    & skf21("3","5","1","2","1","4","7","1") = "6"
    & skf21("3","5","1","2","1","5","1","1") = "4"
    & skf21("3","5","1","2","1","5","2","1") = "4"
    & skf21("3","5","1","2","1","5","3","1") = "4"
    & skf21("3","5","1","2","1","5","4","1") = "4"
    & skf21("3","5","1","2","1","5","5","1") = "4"
    & skf21("3","5","1","2","1","5","6","1") = "5"
    & skf21("3","5","1","2","1","5","7","1") = "6"
    & skf21("3","5","1","2","1","6","1","1") = "5"
    & skf21("3","5","1","2","1","6","2","1") = "5"
    & skf21("3","5","1","2","1","6","3","1") = "5"
    & skf21("3","5","1","2","1","6","4","1") = "5"
    & skf21("3","5","1","2","1","6","5","1") = "5"
    & skf21("3","5","1","2","1","6","6","1") = "5"
    & skf21("3","5","1","2","1","6","7","1") = "6"
    & skf21("3","5","1","2","1","7","1","1") = "6"
    & skf21("3","5","1","2","1","7","2","1") = "6"
    & skf21("3","5","1","2","1","7","3","1") = "6"
    & skf21("3","5","1","2","1","7","4","1") = "6"
    & skf21("3","5","1","2","1","7","5","1") = "6"
    & skf21("3","5","1","2","1","7","6","1") = "6"
    & skf21("3","5","1","2","1","7","7","1") = "6"
    & skf21("3","5","1","2","2","1","1","1") = "4"
    & skf21("3","5","1","2","2","1","2","1") = "4"
    & skf21("3","5","1","2","2","1","3","1") = "4"
    & skf21("3","5","1","2","2","1","4","1") = "4"
    & skf21("3","5","1","2","2","1","5","1") = "4"
    & skf21("3","5","1","2","2","1","6","1") = "5"
    & skf21("3","5","1","2","2","1","7","1") = "6"
    & skf21("3","5","1","2","2","2","1","1") = "4"
    & skf21("3","5","1","2","2","2","2","1") = "4"
    & skf21("3","5","1","2","2","2","3","1") = "4"
    & skf21("3","5","1","2","2","2","4","1") = "4"
    & skf21("3","5","1","2","2","2","5","1") = "4"
    & skf21("3","5","1","2","2","2","6","1") = "5"
    & skf21("3","5","1","2","2","2","7","1") = "6"
    & skf21("3","5","1","2","2","3","1","1") = "4"
    & skf21("3","5","1","2","2","3","2","1") = "4"
    & skf21("3","5","1","2","2","3","3","1") = "4"
    & skf21("3","5","1","2","2","3","4","1") = "4"
    & skf21("3","5","1","2","2","3","5","1") = "4"
    & skf21("3","5","1","2","2","3","6","1") = "5"
    & skf21("3","5","1","2","2","3","7","1") = "6"
    & skf21("3","5","1","2","2","4","1","1") = "4"
    & skf21("3","5","1","2","2","4","2","1") = "4"
    & skf21("3","5","1","2","2","4","3","1") = "4"
    & skf21("3","5","1","2","2","4","4","1") = "4"
    & skf21("3","5","1","2","2","4","5","1") = "4"
    & skf21("3","5","1","2","2","4","6","1") = "5"
    & skf21("3","5","1","2","2","4","7","1") = "6"
    & skf21("3","5","1","2","2","5","1","1") = "4"
    & skf21("3","5","1","2","2","5","2","1") = "4"
    & skf21("3","5","1","2","2","5","3","1") = "4"
    & skf21("3","5","1","2","2","5","4","1") = "4"
    & skf21("3","5","1","2","2","5","5","1") = "4"
    & skf21("3","5","1","2","2","5","6","1") = "5"
    & skf21("3","5","1","2","2","5","7","1") = "6"
    & skf21("3","5","1","2","2","6","1","1") = "5"
    & skf21("3","5","1","2","2","6","2","1") = "5"
    & skf21("3","5","1","2","2","6","3","1") = "5"
    & skf21("3","5","1","2","2","6","4","1") = "5"
    & skf21("3","5","1","2","2","6","5","1") = "5"
    & skf21("3","5","1","2","2","6","6","1") = "5"
    & skf21("3","5","1","2","2","6","7","1") = "6"
    & skf21("3","5","1","2","2","7","1","1") = "6"
    & skf21("3","5","1","2","2","7","2","1") = "6"
    & skf21("3","5","1","2","2","7","3","1") = "6"
    & skf21("3","5","1","2","2","7","4","1") = "6"
    & skf21("3","5","1","2","2","7","5","1") = "6"
    & skf21("3","5","1","2","2","7","6","1") = "6"
    & skf21("3","5","1","2","2","7","7","1") = "6"
    & skf21("3","5","1","2","3","1","1","1") = "4"
    & skf21("3","5","1","2","3","1","2","1") = "4"
    & skf21("3","5","1","2","3","1","3","1") = "4"
    & skf21("3","5","1","2","3","1","4","1") = "4"
    & skf21("3","5","1","2","3","1","5","1") = "4"
    & skf21("3","5","1","2","3","1","6","1") = "5"
    & skf21("3","5","1","2","3","1","7","1") = "6"
    & skf21("3","5","1","2","3","2","1","1") = "4"
    & skf21("3","5","1","2","3","2","2","1") = "4"
    & skf21("3","5","1","2","3","2","3","1") = "4"
    & skf21("3","5","1","2","3","2","4","1") = "4"
    & skf21("3","5","1","2","3","2","5","1") = "4"
    & skf21("3","5","1","2","3","2","6","1") = "5"
    & skf21("3","5","1","2","3","2","7","1") = "6"
    & skf21("3","5","1","2","3","3","1","1") = "4"
    & skf21("3","5","1","2","3","3","2","1") = "4"
    & skf21("3","5","1","2","3","3","3","1") = "4"
    & skf21("3","5","1","2","3","3","4","1") = "4"
    & skf21("3","5","1","2","3","3","5","1") = "4"
    & skf21("3","5","1","2","3","3","6","1") = "5"
    & skf21("3","5","1","2","3","3","7","1") = "6"
    & skf21("3","5","1","2","3","4","1","1") = "4"
    & skf21("3","5","1","2","3","4","2","1") = "4"
    & skf21("3","5","1","2","3","4","3","1") = "4"
    & skf21("3","5","1","2","3","4","4","1") = "4"
    & skf21("3","5","1","2","3","4","5","1") = "4"
    & skf21("3","5","1","2","3","4","6","1") = "5"
    & skf21("3","5","1","2","3","4","7","1") = "6"
    & skf21("3","5","1","2","3","5","1","1") = "4"
    & skf21("3","5","1","2","3","5","2","1") = "4"
    & skf21("3","5","1","2","3","5","3","1") = "4"
    & skf21("3","5","1","2","3","5","4","1") = "4"
    & skf21("3","5","1","2","3","5","5","1") = "4"
    & skf21("3","5","1","2","3","5","6","1") = "5"
    & skf21("3","5","1","2","3","5","7","1") = "6"
    & skf21("3","5","1","2","3","6","1","1") = "5"
    & skf21("3","5","1","2","3","6","2","1") = "5"
    & skf21("3","5","1","2","3","6","3","1") = "5"
    & skf21("3","5","1","2","3","6","4","1") = "5"
    & skf21("3","5","1","2","3","6","5","1") = "5"
    & skf21("3","5","1","2","3","6","6","1") = "5"
    & skf21("3","5","1","2","3","6","7","1") = "6"
    & skf21("3","5","1","2","3","7","1","1") = "6"
    & skf21("3","5","1","2","3","7","2","1") = "6"
    & skf21("3","5","1","2","3","7","3","1") = "6"
    & skf21("3","5","1","2","3","7","4","1") = "6"
    & skf21("3","5","1","2","3","7","5","1") = "6"
    & skf21("3","5","1","2","3","7","6","1") = "6"
    & skf21("3","5","1","2","3","7","7","1") = "6"
    & skf21("3","5","1","2","4","1","1","1") = "4"
    & skf21("3","5","1","2","4","1","2","1") = "4"
    & skf21("3","5","1","2","4","1","3","1") = "4"
    & skf21("3","5","1","2","4","1","4","1") = "4"
    & skf21("3","5","1","2","4","1","5","1") = "4"
    & skf21("3","5","1","2","4","1","6","1") = "5"
    & skf21("3","5","1","2","4","1","7","1") = "6"
    & skf21("3","5","1","2","4","2","1","1") = "4"
    & skf21("3","5","1","2","4","2","2","1") = "4"
    & skf21("3","5","1","2","4","2","3","1") = "4"
    & skf21("3","5","1","2","4","2","4","1") = "4"
    & skf21("3","5","1","2","4","2","5","1") = "4"
    & skf21("3","5","1","2","4","2","6","1") = "5"
    & skf21("3","5","1","2","4","2","7","1") = "6"
    & skf21("3","5","1","2","4","3","1","1") = "4"
    & skf21("3","5","1","2","4","3","2","1") = "4"
    & skf21("3","5","1","2","4","3","3","1") = "4"
    & skf21("3","5","1","2","4","3","4","1") = "4"
    & skf21("3","5","1","2","4","3","5","1") = "4"
    & skf21("3","5","1","2","4","3","6","1") = "5"
    & skf21("3","5","1","2","4","3","7","1") = "6"
    & skf21("3","5","1","2","4","4","1","1") = "4"
    & skf21("3","5","1","2","4","4","2","1") = "4"
    & skf21("3","5","1","2","4","4","3","1") = "4"
    & skf21("3","5","1","2","4","4","4","1") = "4"
    & skf21("3","5","1","2","4","4","5","1") = "4"
    & skf21("3","5","1","2","4","4","6","1") = "5"
    & skf21("3","5","1","2","4","4","7","1") = "6"
    & skf21("3","5","1","2","4","5","1","1") = "4"
    & skf21("3","5","1","2","4","5","2","1") = "4"
    & skf21("3","5","1","2","4","5","3","1") = "4"
    & skf21("3","5","1","2","4","5","4","1") = "4"
    & skf21("3","5","1","2","4","5","5","1") = "4"
    & skf21("3","5","1","2","4","5","6","1") = "5"
    & skf21("3","5","1","2","4","5","7","1") = "6"
    & skf21("3","5","1","2","4","6","1","1") = "5"
    & skf21("3","5","1","2","4","6","2","1") = "5"
    & skf21("3","5","1","2","4","6","3","1") = "5"
    & skf21("3","5","1","2","4","6","4","1") = "5"
    & skf21("3","5","1","2","4","6","5","1") = "5"
    & skf21("3","5","1","2","4","6","6","1") = "5"
    & skf21("3","5","1","2","4","6","7","1") = "6"
    & skf21("3","5","1","2","4","7","1","1") = "6"
    & skf21("3","5","1","2","4","7","2","1") = "6"
    & skf21("3","5","1","2","4","7","3","1") = "6"
    & skf21("3","5","1","2","4","7","4","1") = "6"
    & skf21("3","5","1","2","4","7","5","1") = "6"
    & skf21("3","5","1","2","4","7","6","1") = "6"
    & skf21("3","5","1","2","4","7","7","1") = "6"
    & skf21("3","5","1","2","5","1","1","1") = "4"
    & skf21("3","5","1","2","5","1","2","1") = "4"
    & skf21("3","5","1","2","5","1","3","1") = "4"
    & skf21("3","5","1","2","5","1","4","1") = "4"
    & skf21("3","5","1","2","5","1","5","1") = "4"
    & skf21("3","5","1","2","5","1","6","1") = "5"
    & skf21("3","5","1","2","5","1","7","1") = "6"
    & skf21("3","5","1","2","5","2","1","1") = "4"
    & skf21("3","5","1","2","5","2","2","1") = "4"
    & skf21("3","5","1","2","5","2","3","1") = "4"
    & skf21("3","5","1","2","5","2","4","1") = "4"
    & skf21("3","5","1","2","5","2","5","1") = "4"
    & skf21("3","5","1","2","5","2","6","1") = "5"
    & skf21("3","5","1","2","5","2","7","1") = "6"
    & skf21("3","5","1","2","5","3","1","1") = "4"
    & skf21("3","5","1","2","5","3","2","1") = "4"
    & skf21("3","5","1","2","5","3","3","1") = "4"
    & skf21("3","5","1","2","5","3","4","1") = "4"
    & skf21("3","5","1","2","5","3","5","1") = "4"
    & skf21("3","5","1","2","5","3","6","1") = "5"
    & skf21("3","5","1","2","5","3","7","1") = "6"
    & skf21("3","5","1","2","5","4","1","1") = "4"
    & skf21("3","5","1","2","5","4","2","1") = "4"
    & skf21("3","5","1","2","5","4","3","1") = "4"
    & skf21("3","5","1","2","5","4","4","1") = "4"
    & skf21("3","5","1","2","5","4","5","1") = "4"
    & skf21("3","5","1","2","5","4","6","1") = "5"
    & skf21("3","5","1","2","5","4","7","1") = "6"
    & skf21("3","5","1","2","5","5","1","1") = "4"
    & skf21("3","5","1","2","5","5","2","1") = "4"
    & skf21("3","5","1","2","5","5","3","1") = "4"
    & skf21("3","5","1","2","5","5","4","1") = "4"
    & skf21("3","5","1","2","5","5","5","1") = "4"
    & skf21("3","5","1","2","5","5","6","1") = "5"
    & skf21("3","5","1","2","5","5","7","1") = "6"
    & skf21("3","5","1","2","5","6","1","1") = "5"
    & skf21("3","5","1","2","5","6","2","1") = "5"
    & skf21("3","5","1","2","5","6","3","1") = "5"
    & skf21("3","5","1","2","5","6","4","1") = "5"
    & skf21("3","5","1","2","5","6","5","1") = "5"
    & skf21("3","5","1","2","5","6","6","1") = "5"
    & skf21("3","5","1","2","5","6","7","1") = "6"
    & skf21("3","5","1","2","5","7","1","1") = "6"
    & skf21("3","5","1","2","5","7","2","1") = "6"
    & skf21("3","5","1","2","5","7","3","1") = "6"
    & skf21("3","5","1","2","5","7","4","1") = "6"
    & skf21("3","5","1","2","5","7","5","1") = "6"
    & skf21("3","5","1","2","5","7","6","1") = "6"
    & skf21("3","5","1","2","5","7","7","1") = "6"
    & skf21("3","5","1","2","6","1","1","1") = "5"
    & skf21("3","5","1","2","6","1","2","1") = "5"
    & skf21("3","5","1","2","6","1","3","1") = "5"
    & skf21("3","5","1","2","6","1","4","1") = "5"
    & skf21("3","5","1","2","6","1","5","1") = "5"
    & skf21("3","5","1","2","6","1","6","1") = "5"
    & skf21("3","5","1","2","6","1","7","1") = "6"
    & skf21("3","5","1","2","6","2","1","1") = "5"
    & skf21("3","5","1","2","6","2","2","1") = "5"
    & skf21("3","5","1","2","6","2","3","1") = "5"
    & skf21("3","5","1","2","6","2","4","1") = "5"
    & skf21("3","5","1","2","6","2","5","1") = "5"
    & skf21("3","5","1","2","6","2","6","1") = "5"
    & skf21("3","5","1","2","6","2","7","1") = "6"
    & skf21("3","5","1","2","6","3","1","1") = "5"
    & skf21("3","5","1","2","6","3","2","1") = "5"
    & skf21("3","5","1","2","6","3","3","1") = "5"
    & skf21("3","5","1","2","6","3","4","1") = "5"
    & skf21("3","5","1","2","6","3","5","1") = "5"
    & skf21("3","5","1","2","6","3","6","1") = "5"
    & skf21("3","5","1","2","6","3","7","1") = "6"
    & skf21("3","5","1","2","6","4","1","1") = "5"
    & skf21("3","5","1","2","6","4","2","1") = "5"
    & skf21("3","5","1","2","6","4","3","1") = "5"
    & skf21("3","5","1","2","6","4","4","1") = "5"
    & skf21("3","5","1","2","6","4","5","1") = "5"
    & skf21("3","5","1","2","6","4","6","1") = "5"
    & skf21("3","5","1","2","6","4","7","1") = "6"
    & skf21("3","5","1","2","6","5","1","1") = "5"
    & skf21("3","5","1","2","6","5","2","1") = "5"
    & skf21("3","5","1","2","6","5","3","1") = "5"
    & skf21("3","5","1","2","6","5","4","1") = "5"
    & skf21("3","5","1","2","6","5","5","1") = "5"
    & skf21("3","5","1","2","6","5","6","1") = "5"
    & skf21("3","5","1","2","6","5","7","1") = "6"
    & skf21("3","5","1","2","6","6","1","1") = "5"
    & skf21("3","5","1","2","6","6","2","1") = "5"
    & skf21("3","5","1","2","6","6","3","1") = "5"
    & skf21("3","5","1","2","6","6","4","1") = "5"
    & skf21("3","5","1","2","6","6","5","1") = "5"
    & skf21("3","5","1","2","6","6","6","1") = "5"
    & skf21("3","5","1","2","6","6","7","1") = "6"
    & skf21("3","5","1","2","6","7","1","1") = "6"
    & skf21("3","5","1","2","6","7","2","1") = "6"
    & skf21("3","5","1","2","6","7","3","1") = "6"
    & skf21("3","5","1","2","6","7","4","1") = "6"
    & skf21("3","5","1","2","6","7","5","1") = "6"
    & skf21("3","5","1","2","6","7","6","1") = "6"
    & skf21("3","5","1","2","6","7","7","1") = "6"
    & skf21("3","5","1","2","7","1","1","1") = "6"
    & skf21("3","5","1","2","7","1","2","1") = "6"
    & skf21("3","5","1","2","7","1","3","1") = "6"
    & skf21("3","5","1","2","7","1","4","1") = "6"
    & skf21("3","5","1","2","7","1","5","1") = "6"
    & skf21("3","5","1","2","7","1","6","1") = "6"
    & skf21("3","5","1","2","7","1","7","1") = "6"
    & skf21("3","5","1","2","7","2","1","1") = "6"
    & skf21("3","5","1","2","7","2","2","1") = "6"
    & skf21("3","5","1","2","7","2","3","1") = "6"
    & skf21("3","5","1","2","7","2","4","1") = "6"
    & skf21("3","5","1","2","7","2","5","1") = "6"
    & skf21("3","5","1","2","7","2","6","1") = "6"
    & skf21("3","5","1","2","7","2","7","1") = "6"
    & skf21("3","5","1","2","7","3","1","1") = "6"
    & skf21("3","5","1","2","7","3","2","1") = "6"
    & skf21("3","5","1","2","7","3","3","1") = "6"
    & skf21("3","5","1","2","7","3","4","1") = "6"
    & skf21("3","5","1","2","7","3","5","1") = "6"
    & skf21("3","5","1","2","7","3","6","1") = "6"
    & skf21("3","5","1","2","7","3","7","1") = "6"
    & skf21("3","5","1","2","7","4","1","1") = "6"
    & skf21("3","5","1","2","7","4","2","1") = "6"
    & skf21("3","5","1","2","7","4","3","1") = "6"
    & skf21("3","5","1","2","7","4","4","1") = "6"
    & skf21("3","5","1","2","7","4","5","1") = "6"
    & skf21("3","5","1","2","7","4","6","1") = "6"
    & skf21("3","5","1","2","7","4","7","1") = "6"
    & skf21("3","5","1","2","7","5","1","1") = "6"
    & skf21("3","5","1","2","7","5","2","1") = "6"
    & skf21("3","5","1","2","7","5","3","1") = "6"
    & skf21("3","5","1","2","7","5","4","1") = "6"
    & skf21("3","5","1","2","7","5","5","1") = "6"
    & skf21("3","5","1","2","7","5","6","1") = "6"
    & skf21("3","5","1","2","7","5","7","1") = "6"
    & skf21("3","5","1","2","7","6","1","1") = "6"
    & skf21("3","5","1","2","7","6","2","1") = "6"
    & skf21("3","5","1","2","7","6","3","1") = "6"
    & skf21("3","5","1","2","7","6","4","1") = "6"
    & skf21("3","5","1","2","7","6","5","1") = "6"
    & skf21("3","5","1","2","7","6","6","1") = "6"
    & skf21("3","5","1","2","7","6","7","1") = "6"
    & skf21("3","5","1","2","7","7","1","1") = "6"
    & skf21("3","5","1","2","7","7","2","1") = "6"
    & skf21("3","5","1","2","7","7","3","1") = "6"
    & skf21("3","5","1","2","7","7","4","1") = "6"
    & skf21("3","5","1","2","7","7","5","1") = "6"
    & skf21("3","5","1","2","7","7","6","1") = "6"
    & skf21("3","5","1","2","7","7","7","1") = "6"
    & skf21("3","5","1","3","1","1","1","1") = "4"
    & skf21("3","5","1","3","1","1","2","1") = "4"
    & skf21("3","5","1","3","1","1","3","1") = "4"
    & skf21("3","5","1","3","1","1","4","1") = "4"
    & skf21("3","5","1","3","1","1","5","1") = "4"
    & skf21("3","5","1","3","1","1","6","1") = "5"
    & skf21("3","5","1","3","1","1","7","1") = "6"
    & skf21("3","5","1","3","1","2","1","1") = "4"
    & skf21("3","5","1","3","1","2","2","1") = "4"
    & skf21("3","5","1","3","1","2","3","1") = "4"
    & skf21("3","5","1","3","1","2","4","1") = "4"
    & skf21("3","5","1","3","1","2","5","1") = "4"
    & skf21("3","5","1","3","1","2","6","1") = "5"
    & skf21("3","5","1","3","1","2","7","1") = "6"
    & skf21("3","5","1","3","1","3","1","1") = "4"
    & skf21("3","5","1","3","1","3","2","1") = "4"
    & skf21("3","5","1","3","1","3","3","1") = "4"
    & skf21("3","5","1","3","1","3","4","1") = "4"
    & skf21("3","5","1","3","1","3","5","1") = "4"
    & skf21("3","5","1","3","1","3","6","1") = "5"
    & skf21("3","5","1","3","1","3","7","1") = "6"
    & skf21("3","5","1","3","1","4","1","1") = "4"
    & skf21("3","5","1","3","1","4","2","1") = "4"
    & skf21("3","5","1","3","1","4","3","1") = "4"
    & skf21("3","5","1","3","1","4","4","1") = "4"
    & skf21("3","5","1","3","1","4","5","1") = "4"
    & skf21("3","5","1","3","1","4","6","1") = "5"
    & skf21("3","5","1","3","1","4","7","1") = "6"
    & skf21("3","5","1","3","1","5","1","1") = "4"
    & skf21("3","5","1","3","1","5","2","1") = "4"
    & skf21("3","5","1","3","1","5","3","1") = "4"
    & skf21("3","5","1","3","1","5","4","1") = "4"
    & skf21("3","5","1","3","1","5","5","1") = "4"
    & skf21("3","5","1","3","1","5","6","1") = "5"
    & skf21("3","5","1","3","1","5","7","1") = "6"
    & skf21("3","5","1","3","1","6","1","1") = "5"
    & skf21("3","5","1","3","1","6","2","1") = "5"
    & skf21("3","5","1","3","1","6","3","1") = "5"
    & skf21("3","5","1","3","1","6","4","1") = "5"
    & skf21("3","5","1","3","1","6","5","1") = "5"
    & skf21("3","5","1","3","1","6","6","1") = "5"
    & skf21("3","5","1","3","1","6","7","1") = "6"
    & skf21("3","5","1","3","1","7","1","1") = "6"
    & skf21("3","5","1","3","1","7","2","1") = "6"
    & skf21("3","5","1","3","1","7","3","1") = "6"
    & skf21("3","5","1","3","1","7","4","1") = "6"
    & skf21("3","5","1","3","1","7","5","1") = "6"
    & skf21("3","5","1","3","1","7","6","1") = "6"
    & skf21("3","5","1","3","1","7","7","1") = "6"
    & skf21("3","5","1","3","2","1","1","1") = "4"
    & skf21("3","5","1","3","2","1","2","1") = "4"
    & skf21("3","5","1","3","2","1","3","1") = "4"
    & skf21("3","5","1","3","2","1","4","1") = "4"
    & skf21("3","5","1","3","2","1","5","1") = "4"
    & skf21("3","5","1","3","2","1","6","1") = "5"
    & skf21("3","5","1","3","2","1","7","1") = "6"
    & skf21("3","5","1","3","2","2","1","1") = "4"
    & skf21("3","5","1","3","2","2","2","1") = "4"
    & skf21("3","5","1","3","2","2","3","1") = "4"
    & skf21("3","5","1","3","2","2","4","1") = "4"
    & skf21("3","5","1","3","2","2","5","1") = "4"
    & skf21("3","5","1","3","2","2","6","1") = "5"
    & skf21("3","5","1","3","2","2","7","1") = "6"
    & skf21("3","5","1","3","2","3","1","1") = "4"
    & skf21("3","5","1","3","2","3","2","1") = "4"
    & skf21("3","5","1","3","2","3","3","1") = "4"
    & skf21("3","5","1","3","2","3","4","1") = "4"
    & skf21("3","5","1","3","2","3","5","1") = "4"
    & skf21("3","5","1","3","2","3","6","1") = "5"
    & skf21("3","5","1","3","2","3","7","1") = "6"
    & skf21("3","5","1","3","2","4","1","1") = "4"
    & skf21("3","5","1","3","2","4","2","1") = "4"
    & skf21("3","5","1","3","2","4","3","1") = "4"
    & skf21("3","5","1","3","2","4","4","1") = "4"
    & skf21("3","5","1","3","2","4","5","1") = "4"
    & skf21("3","5","1","3","2","4","6","1") = "5"
    & skf21("3","5","1","3","2","4","7","1") = "6"
    & skf21("3","5","1","3","2","5","1","1") = "4"
    & skf21("3","5","1","3","2","5","2","1") = "4"
    & skf21("3","5","1","3","2","5","3","1") = "4"
    & skf21("3","5","1","3","2","5","4","1") = "4"
    & skf21("3","5","1","3","2","5","5","1") = "4"
    & skf21("3","5","1","3","2","5","6","1") = "5"
    & skf21("3","5","1","3","2","5","7","1") = "6"
    & skf21("3","5","1","3","2","6","1","1") = "5"
    & skf21("3","5","1","3","2","6","2","1") = "5"
    & skf21("3","5","1","3","2","6","3","1") = "5"
    & skf21("3","5","1","3","2","6","4","1") = "5"
    & skf21("3","5","1","3","2","6","5","1") = "5"
    & skf21("3","5","1","3","2","6","6","1") = "5"
    & skf21("3","5","1","3","2","6","7","1") = "6"
    & skf21("3","5","1","3","2","7","1","1") = "6"
    & skf21("3","5","1","3","2","7","2","1") = "6"
    & skf21("3","5","1","3","2","7","3","1") = "6"
    & skf21("3","5","1","3","2","7","4","1") = "6"
    & skf21("3","5","1","3","2","7","5","1") = "6"
    & skf21("3","5","1","3","2","7","6","1") = "6"
    & skf21("3","5","1","3","2","7","7","1") = "6"
    & skf21("3","5","1","3","3","1","1","1") = "4"
    & skf21("3","5","1","3","3","1","2","1") = "4"
    & skf21("3","5","1","3","3","1","3","1") = "4"
    & skf21("3","5","1","3","3","1","4","1") = "4"
    & skf21("3","5","1","3","3","1","5","1") = "4"
    & skf21("3","5","1","3","3","1","6","1") = "5"
    & skf21("3","5","1","3","3","1","7","1") = "6"
    & skf21("3","5","1","3","3","2","1","1") = "4"
    & skf21("3","5","1","3","3","2","2","1") = "4"
    & skf21("3","5","1","3","3","2","3","1") = "4"
    & skf21("3","5","1","3","3","2","4","1") = "4"
    & skf21("3","5","1","3","3","2","5","1") = "4"
    & skf21("3","5","1","3","3","2","6","1") = "5"
    & skf21("3","5","1","3","3","2","7","1") = "6"
    & skf21("3","5","1","3","3","3","1","1") = "4"
    & skf21("3","5","1","3","3","3","2","1") = "4"
    & skf21("3","5","1","3","3","3","3","1") = "4"
    & skf21("3","5","1","3","3","3","4","1") = "4"
    & skf21("3","5","1","3","3","3","5","1") = "4"
    & skf21("3","5","1","3","3","3","6","1") = "5"
    & skf21("3","5","1","3","3","3","7","1") = "6"
    & skf21("3","5","1","3","3","4","1","1") = "4"
    & skf21("3","5","1","3","3","4","2","1") = "4"
    & skf21("3","5","1","3","3","4","3","1") = "4"
    & skf21("3","5","1","3","3","4","4","1") = "4"
    & skf21("3","5","1","3","3","4","5","1") = "4"
    & skf21("3","5","1","3","3","4","6","1") = "5"
    & skf21("3","5","1","3","3","4","7","1") = "6"
    & skf21("3","5","1","3","3","5","1","1") = "4"
    & skf21("3","5","1","3","3","5","2","1") = "4"
    & skf21("3","5","1","3","3","5","3","1") = "4"
    & skf21("3","5","1","3","3","5","4","1") = "4"
    & skf21("3","5","1","3","3","5","5","1") = "4"
    & skf21("3","5","1","3","3","5","6","1") = "5"
    & skf21("3","5","1","3","3","5","7","1") = "6"
    & skf21("3","5","1","3","3","6","1","1") = "5"
    & skf21("3","5","1","3","3","6","2","1") = "5"
    & skf21("3","5","1","3","3","6","3","1") = "5"
    & skf21("3","5","1","3","3","6","4","1") = "5"
    & skf21("3","5","1","3","3","6","5","1") = "5"
    & skf21("3","5","1","3","3","6","6","1") = "5"
    & skf21("3","5","1","3","3","6","7","1") = "6"
    & skf21("3","5","1","3","3","7","1","1") = "6"
    & skf21("3","5","1","3","3","7","2","1") = "6"
    & skf21("3","5","1","3","3","7","3","1") = "6"
    & skf21("3","5","1","3","3","7","4","1") = "6"
    & skf21("3","5","1","3","3","7","5","1") = "6"
    & skf21("3","5","1","3","3","7","6","1") = "6"
    & skf21("3","5","1","3","3","7","7","1") = "6"
    & skf21("3","5","1","3","4","1","1","1") = "4"
    & skf21("3","5","1","3","4","1","2","1") = "4"
    & skf21("3","5","1","3","4","1","3","1") = "4"
    & skf21("3","5","1","3","4","1","4","1") = "4"
    & skf21("3","5","1","3","4","1","5","1") = "4"
    & skf21("3","5","1","3","4","1","6","1") = "5"
    & skf21("3","5","1","3","4","1","7","1") = "6"
    & skf21("3","5","1","3","4","2","1","1") = "4"
    & skf21("3","5","1","3","4","2","2","1") = "4"
    & skf21("3","5","1","3","4","2","3","1") = "4"
    & skf21("3","5","1","3","4","2","4","1") = "4"
    & skf21("3","5","1","3","4","2","5","1") = "4"
    & skf21("3","5","1","3","4","2","6","1") = "5"
    & skf21("3","5","1","3","4","2","7","1") = "6"
    & skf21("3","5","1","3","4","3","1","1") = "4"
    & skf21("3","5","1","3","4","3","2","1") = "4"
    & skf21("3","5","1","3","4","3","3","1") = "4"
    & skf21("3","5","1","3","4","3","4","1") = "4"
    & skf21("3","5","1","3","4","3","5","1") = "4"
    & skf21("3","5","1","3","4","3","6","1") = "5"
    & skf21("3","5","1","3","4","3","7","1") = "6"
    & skf21("3","5","1","3","4","4","1","1") = "4"
    & skf21("3","5","1","3","4","4","2","1") = "4"
    & skf21("3","5","1","3","4","4","3","1") = "4"
    & skf21("3","5","1","3","4","4","4","1") = "4"
    & skf21("3","5","1","3","4","4","5","1") = "4"
    & skf21("3","5","1","3","4","4","6","1") = "5"
    & skf21("3","5","1","3","4","4","7","1") = "6"
    & skf21("3","5","1","3","4","5","1","1") = "4"
    & skf21("3","5","1","3","4","5","2","1") = "4"
    & skf21("3","5","1","3","4","5","3","1") = "4"
    & skf21("3","5","1","3","4","5","4","1") = "4"
    & skf21("3","5","1","3","4","5","5","1") = "4"
    & skf21("3","5","1","3","4","5","6","1") = "5"
    & skf21("3","5","1","3","4","5","7","1") = "6"
    & skf21("3","5","1","3","4","6","1","1") = "5"
    & skf21("3","5","1","3","4","6","2","1") = "5"
    & skf21("3","5","1","3","4","6","3","1") = "5"
    & skf21("3","5","1","3","4","6","4","1") = "5"
    & skf21("3","5","1","3","4","6","5","1") = "5"
    & skf21("3","5","1","3","4","6","6","1") = "5"
    & skf21("3","5","1","3","4","6","7","1") = "6"
    & skf21("3","5","1","3","4","7","1","1") = "6"
    & skf21("3","5","1","3","4","7","2","1") = "6"
    & skf21("3","5","1","3","4","7","3","1") = "6"
    & skf21("3","5","1","3","4","7","4","1") = "6"
    & skf21("3","5","1","3","4","7","5","1") = "6"
    & skf21("3","5","1","3","4","7","6","1") = "6"
    & skf21("3","5","1","3","4","7","7","1") = "6"
    & skf21("3","5","1","3","5","1","1","1") = "4"
    & skf21("3","5","1","3","5","1","2","1") = "4"
    & skf21("3","5","1","3","5","1","3","1") = "4"
    & skf21("3","5","1","3","5","1","4","1") = "4"
    & skf21("3","5","1","3","5","1","5","1") = "4"
    & skf21("3","5","1","3","5","1","6","1") = "5"
    & skf21("3","5","1","3","5","1","7","1") = "6"
    & skf21("3","5","1","3","5","2","1","1") = "4"
    & skf21("3","5","1","3","5","2","2","1") = "4"
    & skf21("3","5","1","3","5","2","3","1") = "4"
    & skf21("3","5","1","3","5","2","4","1") = "4"
    & skf21("3","5","1","3","5","2","5","1") = "4"
    & skf21("3","5","1","3","5","2","6","1") = "5"
    & skf21("3","5","1","3","5","2","7","1") = "6"
    & skf21("3","5","1","3","5","3","1","1") = "4"
    & skf21("3","5","1","3","5","3","2","1") = "4"
    & skf21("3","5","1","3","5","3","3","1") = "4"
    & skf21("3","5","1","3","5","3","4","1") = "4"
    & skf21("3","5","1","3","5","3","5","1") = "4"
    & skf21("3","5","1","3","5","3","6","1") = "5"
    & skf21("3","5","1","3","5","3","7","1") = "6"
    & skf21("3","5","1","3","5","4","1","1") = "4"
    & skf21("3","5","1","3","5","4","2","1") = "4"
    & skf21("3","5","1","3","5","4","3","1") = "4"
    & skf21("3","5","1","3","5","4","4","1") = "4"
    & skf21("3","5","1","3","5","4","5","1") = "4"
    & skf21("3","5","1","3","5","4","6","1") = "5"
    & skf21("3","5","1","3","5","4","7","1") = "6"
    & skf21("3","5","1","3","5","5","1","1") = "4"
    & skf21("3","5","1","3","5","5","2","1") = "4"
    & skf21("3","5","1","3","5","5","3","1") = "4"
    & skf21("3","5","1","3","5","5","4","1") = "4"
    & skf21("3","5","1","3","5","5","5","1") = "4"
    & skf21("3","5","1","3","5","5","6","1") = "5"
    & skf21("3","5","1","3","5","5","7","1") = "6"
    & skf21("3","5","1","3","5","6","1","1") = "5"
    & skf21("3","5","1","3","5","6","2","1") = "5"
    & skf21("3","5","1","3","5","6","3","1") = "5"
    & skf21("3","5","1","3","5","6","4","1") = "5"
    & skf21("3","5","1","3","5","6","5","1") = "5"
    & skf21("3","5","1","3","5","6","6","1") = "5"
    & skf21("3","5","1","3","5","6","7","1") = "6"
    & skf21("3","5","1","3","5","7","1","1") = "6"
    & skf21("3","5","1","3","5","7","2","1") = "6"
    & skf21("3","5","1","3","5","7","3","1") = "6"
    & skf21("3","5","1","3","5","7","4","1") = "6"
    & skf21("3","5","1","3","5","7","5","1") = "6"
    & skf21("3","5","1","3","5","7","6","1") = "6"
    & skf21("3","5","1","3","5","7","7","1") = "6"
    & skf21("3","5","1","3","6","1","1","1") = "5"
    & skf21("3","5","1","3","6","1","2","1") = "5"
    & skf21("3","5","1","3","6","1","3","1") = "5"
    & skf21("3","5","1","3","6","1","4","1") = "5"
    & skf21("3","5","1","3","6","1","5","1") = "5"
    & skf21("3","5","1","3","6","1","6","1") = "5"
    & skf21("3","5","1","3","6","1","7","1") = "6"
    & skf21("3","5","1","3","6","2","1","1") = "5"
    & skf21("3","5","1","3","6","2","2","1") = "5"
    & skf21("3","5","1","3","6","2","3","1") = "5"
    & skf21("3","5","1","3","6","2","4","1") = "5"
    & skf21("3","5","1","3","6","2","5","1") = "5"
    & skf21("3","5","1","3","6","2","6","1") = "5"
    & skf21("3","5","1","3","6","2","7","1") = "6"
    & skf21("3","5","1","3","6","3","1","1") = "5"
    & skf21("3","5","1","3","6","3","2","1") = "5"
    & skf21("3","5","1","3","6","3","3","1") = "5"
    & skf21("3","5","1","3","6","3","4","1") = "5"
    & skf21("3","5","1","3","6","3","5","1") = "5"
    & skf21("3","5","1","3","6","3","6","1") = "5"
    & skf21("3","5","1","3","6","3","7","1") = "6"
    & skf21("3","5","1","3","6","4","1","1") = "5"
    & skf21("3","5","1","3","6","4","2","1") = "5"
    & skf21("3","5","1","3","6","4","3","1") = "5"
    & skf21("3","5","1","3","6","4","4","1") = "5"
    & skf21("3","5","1","3","6","4","5","1") = "5"
    & skf21("3","5","1","3","6","4","6","1") = "5"
    & skf21("3","5","1","3","6","4","7","1") = "6"
    & skf21("3","5","1","3","6","5","1","1") = "5"
    & skf21("3","5","1","3","6","5","2","1") = "5"
    & skf21("3","5","1","3","6","5","3","1") = "5"
    & skf21("3","5","1","3","6","5","4","1") = "5"
    & skf21("3","5","1","3","6","5","5","1") = "5"
    & skf21("3","5","1","3","6","5","6","1") = "5"
    & skf21("3","5","1","3","6","5","7","1") = "6"
    & skf21("3","5","1","3","6","6","1","1") = "5"
    & skf21("3","5","1","3","6","6","2","1") = "5"
    & skf21("3","5","1","3","6","6","3","1") = "5"
    & skf21("3","5","1","3","6","6","4","1") = "5"
    & skf21("3","5","1","3","6","6","5","1") = "5"
    & skf21("3","5","1","3","6","6","6","1") = "5"
    & skf21("3","5","1","3","6","6","7","1") = "6"
    & skf21("3","5","1","3","6","7","1","1") = "6"
    & skf21("3","5","1","3","6","7","2","1") = "6"
    & skf21("3","5","1","3","6","7","3","1") = "6"
    & skf21("3","5","1","3","6","7","4","1") = "6"
    & skf21("3","5","1","3","6","7","5","1") = "6"
    & skf21("3","5","1","3","6","7","6","1") = "6"
    & skf21("3","5","1","3","6","7","7","1") = "6"
    & skf21("3","5","1","3","7","1","1","1") = "6"
    & skf21("3","5","1","3","7","1","2","1") = "6"
    & skf21("3","5","1","3","7","1","3","1") = "6"
    & skf21("3","5","1","3","7","1","4","1") = "6"
    & skf21("3","5","1","3","7","1","5","1") = "6"
    & skf21("3","5","1","3","7","1","6","1") = "6"
    & skf21("3","5","1","3","7","1","7","1") = "6"
    & skf21("3","5","1","3","7","2","1","1") = "6"
    & skf21("3","5","1","3","7","2","2","1") = "6"
    & skf21("3","5","1","3","7","2","3","1") = "6"
    & skf21("3","5","1","3","7","2","4","1") = "6"
    & skf21("3","5","1","3","7","2","5","1") = "6"
    & skf21("3","5","1","3","7","2","6","1") = "6"
    & skf21("3","5","1","3","7","2","7","1") = "6"
    & skf21("3","5","1","3","7","3","1","1") = "6"
    & skf21("3","5","1","3","7","3","2","1") = "6"
    & skf21("3","5","1","3","7","3","3","1") = "6"
    & skf21("3","5","1","3","7","3","4","1") = "6"
    & skf21("3","5","1","3","7","3","5","1") = "6"
    & skf21("3","5","1","3","7","3","6","1") = "6"
    & skf21("3","5","1","3","7","3","7","1") = "6"
    & skf21("3","5","1","3","7","4","1","1") = "6"
    & skf21("3","5","1","3","7","4","2","1") = "6"
    & skf21("3","5","1","3","7","4","3","1") = "6"
    & skf21("3","5","1","3","7","4","4","1") = "6"
    & skf21("3","5","1","3","7","4","5","1") = "6"
    & skf21("3","5","1","3","7","4","6","1") = "6"
    & skf21("3","5","1","3","7","4","7","1") = "6"
    & skf21("3","5","1","3","7","5","1","1") = "6"
    & skf21("3","5","1","3","7","5","2","1") = "6"
    & skf21("3","5","1","3","7","5","3","1") = "6"
    & skf21("3","5","1","3","7","5","4","1") = "6"
    & skf21("3","5","1","3","7","5","5","1") = "6"
    & skf21("3","5","1","3","7","5","6","1") = "6"
    & skf21("3","5","1","3","7","5","7","1") = "6"
    & skf21("3","5","1","3","7","6","1","1") = "6"
    & skf21("3","5","1","3","7","6","2","1") = "6"
    & skf21("3","5","1","3","7","6","3","1") = "6"
    & skf21("3","5","1","3","7","6","4","1") = "6"
    & skf21("3","5","1","3","7","6","5","1") = "6"
    & skf21("3","5","1","3","7","6","6","1") = "6"
    & skf21("3","5","1","3","7","6","7","1") = "6"
    & skf21("3","5","1","3","7","7","1","1") = "6"
    & skf21("3","5","1","3","7","7","2","1") = "6"
    & skf21("3","5","1","3","7","7","3","1") = "6"
    & skf21("3","5","1","3","7","7","4","1") = "6"
    & skf21("3","5","1","3","7","7","5","1") = "6"
    & skf21("3","5","1","3","7","7","6","1") = "6"
    & skf21("3","5","1","3","7","7","7","1") = "6"
    & skf21("3","5","1","4","1","1","1","1") = "4"
    & skf21("3","5","1","4","1","1","2","1") = "4"
    & skf21("3","5","1","4","1","1","3","1") = "4"
    & skf21("3","5","1","4","1","1","4","1") = "4"
    & skf21("3","5","1","4","1","1","5","1") = "4"
    & skf21("3","5","1","4","1","1","6","1") = "5"
    & skf21("3","5","1","4","1","1","7","1") = "6"
    & skf21("3","5","1","4","1","2","1","1") = "4"
    & skf21("3","5","1","4","1","2","2","1") = "4"
    & skf21("3","5","1","4","1","2","3","1") = "4"
    & skf21("3","5","1","4","1","2","4","1") = "4"
    & skf21("3","5","1","4","1","2","5","1") = "4"
    & skf21("3","5","1","4","1","2","6","1") = "5"
    & skf21("3","5","1","4","1","2","7","1") = "6"
    & skf21("3","5","1","4","1","3","1","1") = "4"
    & skf21("3","5","1","4","1","3","2","1") = "4"
    & skf21("3","5","1","4","1","3","3","1") = "4"
    & skf21("3","5","1","4","1","3","4","1") = "4"
    & skf21("3","5","1","4","1","3","5","1") = "4"
    & skf21("3","5","1","4","1","3","6","1") = "5"
    & skf21("3","5","1","4","1","3","7","1") = "6"
    & skf21("3","5","1","4","1","4","1","1") = "4"
    & skf21("3","5","1","4","1","4","2","1") = "4"
    & skf21("3","5","1","4","1","4","3","1") = "4"
    & skf21("3","5","1","4","1","4","4","1") = "4"
    & skf21("3","5","1","4","1","4","5","1") = "4"
    & skf21("3","5","1","4","1","4","6","1") = "5"
    & skf21("3","5","1","4","1","4","7","1") = "6"
    & skf21("3","5","1","4","1","5","1","1") = "4"
    & skf21("3","5","1","4","1","5","2","1") = "4"
    & skf21("3","5","1","4","1","5","3","1") = "4"
    & skf21("3","5","1","4","1","5","4","1") = "4"
    & skf21("3","5","1","4","1","5","5","1") = "4"
    & skf21("3","5","1","4","1","5","6","1") = "5"
    & skf21("3","5","1","4","1","5","7","1") = "6"
    & skf21("3","5","1","4","1","6","1","1") = "5"
    & skf21("3","5","1","4","1","6","2","1") = "5"
    & skf21("3","5","1","4","1","6","3","1") = "5"
    & skf21("3","5","1","4","1","6","4","1") = "5"
    & skf21("3","5","1","4","1","6","5","1") = "5"
    & skf21("3","5","1","4","1","6","6","1") = "5"
    & skf21("3","5","1","4","1","6","7","1") = "6"
    & skf21("3","5","1","4","1","7","1","1") = "6"
    & skf21("3","5","1","4","1","7","2","1") = "6"
    & skf21("3","5","1","4","1","7","3","1") = "6"
    & skf21("3","5","1","4","1","7","4","1") = "6"
    & skf21("3","5","1","4","1","7","5","1") = "6"
    & skf21("3","5","1","4","1","7","6","1") = "6"
    & skf21("3","5","1","4","1","7","7","1") = "6"
    & skf21("3","5","1","4","2","1","1","1") = "4"
    & skf21("3","5","1","4","2","1","2","1") = "4"
    & skf21("3","5","1","4","2","1","3","1") = "4"
    & skf21("3","5","1","4","2","1","4","1") = "4"
    & skf21("3","5","1","4","2","1","5","1") = "4"
    & skf21("3","5","1","4","2","1","6","1") = "5"
    & skf21("3","5","1","4","2","1","7","1") = "6"
    & skf21("3","5","1","4","2","2","1","1") = "4"
    & skf21("3","5","1","4","2","2","2","1") = "4"
    & skf21("3","5","1","4","2","2","3","1") = "4"
    & skf21("3","5","1","4","2","2","4","1") = "4"
    & skf21("3","5","1","4","2","2","5","1") = "4"
    & skf21("3","5","1","4","2","2","6","1") = "5"
    & skf21("3","5","1","4","2","2","7","1") = "6"
    & skf21("3","5","1","4","2","3","1","1") = "4"
    & skf21("3","5","1","4","2","3","2","1") = "4"
    & skf21("3","5","1","4","2","3","3","1") = "4"
    & skf21("3","5","1","4","2","3","4","1") = "4"
    & skf21("3","5","1","4","2","3","5","1") = "4"
    & skf21("3","5","1","4","2","3","6","1") = "5"
    & skf21("3","5","1","4","2","3","7","1") = "6"
    & skf21("3","5","1","4","2","4","1","1") = "4"
    & skf21("3","5","1","4","2","4","2","1") = "4"
    & skf21("3","5","1","4","2","4","3","1") = "4"
    & skf21("3","5","1","4","2","4","4","1") = "4"
    & skf21("3","5","1","4","2","4","5","1") = "4"
    & skf21("3","5","1","4","2","4","6","1") = "5"
    & skf21("3","5","1","4","2","4","7","1") = "6"
    & skf21("3","5","1","4","2","5","1","1") = "4"
    & skf21("3","5","1","4","2","5","2","1") = "4"
    & skf21("3","5","1","4","2","5","3","1") = "4"
    & skf21("3","5","1","4","2","5","4","1") = "4"
    & skf21("3","5","1","4","2","5","5","1") = "4"
    & skf21("3","5","1","4","2","5","6","1") = "5"
    & skf21("3","5","1","4","2","5","7","1") = "6"
    & skf21("3","5","1","4","2","6","1","1") = "5"
    & skf21("3","5","1","4","2","6","2","1") = "5"
    & skf21("3","5","1","4","2","6","3","1") = "5"
    & skf21("3","5","1","4","2","6","4","1") = "5"
    & skf21("3","5","1","4","2","6","5","1") = "5"
    & skf21("3","5","1","4","2","6","6","1") = "5"
    & skf21("3","5","1","4","2","6","7","1") = "6"
    & skf21("3","5","1","4","2","7","1","1") = "6"
    & skf21("3","5","1","4","2","7","2","1") = "6"
    & skf21("3","5","1","4","2","7","3","1") = "6"
    & skf21("3","5","1","4","2","7","4","1") = "6"
    & skf21("3","5","1","4","2","7","5","1") = "6"
    & skf21("3","5","1","4","2","7","6","1") = "6"
    & skf21("3","5","1","4","2","7","7","1") = "6"
    & skf21("3","5","1","4","3","1","1","1") = "4"
    & skf21("3","5","1","4","3","1","2","1") = "4"
    & skf21("3","5","1","4","3","1","3","1") = "4"
    & skf21("3","5","1","4","3","1","4","1") = "4"
    & skf21("3","5","1","4","3","1","5","1") = "4"
    & skf21("3","5","1","4","3","1","6","1") = "5"
    & skf21("3","5","1","4","3","1","7","1") = "6"
    & skf21("3","5","1","4","3","2","1","1") = "4"
    & skf21("3","5","1","4","3","2","2","1") = "4"
    & skf21("3","5","1","4","3","2","3","1") = "4"
    & skf21("3","5","1","4","3","2","4","1") = "4"
    & skf21("3","5","1","4","3","2","5","1") = "4"
    & skf21("3","5","1","4","3","2","6","1") = "5"
    & skf21("3","5","1","4","3","2","7","1") = "6"
    & skf21("3","5","1","4","3","3","1","1") = "4"
    & skf21("3","5","1","4","3","3","2","1") = "4"
    & skf21("3","5","1","4","3","3","3","1") = "4"
    & skf21("3","5","1","4","3","3","4","1") = "4"
    & skf21("3","5","1","4","3","3","5","1") = "4"
    & skf21("3","5","1","4","3","3","6","1") = "5"
    & skf21("3","5","1","4","3","3","7","1") = "6"
    & skf21("3","5","1","4","3","4","1","1") = "4"
    & skf21("3","5","1","4","3","4","2","1") = "4"
    & skf21("3","5","1","4","3","4","3","1") = "4"
    & skf21("3","5","1","4","3","4","4","1") = "4"
    & skf21("3","5","1","4","3","4","5","1") = "4"
    & skf21("3","5","1","4","3","4","6","1") = "5"
    & skf21("3","5","1","4","3","4","7","1") = "6"
    & skf21("3","5","1","4","3","5","1","1") = "4"
    & skf21("3","5","1","4","3","5","2","1") = "4"
    & skf21("3","5","1","4","3","5","3","1") = "4"
    & skf21("3","5","1","4","3","5","4","1") = "4"
    & skf21("3","5","1","4","3","5","5","1") = "4"
    & skf21("3","5","1","4","3","5","6","1") = "5"
    & skf21("3","5","1","4","3","5","7","1") = "6"
    & skf21("3","5","1","4","3","6","1","1") = "5"
    & skf21("3","5","1","4","3","6","2","1") = "5"
    & skf21("3","5","1","4","3","6","3","1") = "5"
    & skf21("3","5","1","4","3","6","4","1") = "5"
    & skf21("3","5","1","4","3","6","5","1") = "5"
    & skf21("3","5","1","4","3","6","6","1") = "5"
    & skf21("3","5","1","4","3","6","7","1") = "6"
    & skf21("3","5","1","4","3","7","1","1") = "6"
    & skf21("3","5","1","4","3","7","2","1") = "6"
    & skf21("3","5","1","4","3","7","3","1") = "6"
    & skf21("3","5","1","4","3","7","4","1") = "6"
    & skf21("3","5","1","4","3","7","5","1") = "6"
    & skf21("3","5","1","4","3","7","6","1") = "6"
    & skf21("3","5","1","4","3","7","7","1") = "6"
    & skf21("3","5","1","4","4","1","1","1") = "4"
    & skf21("3","5","1","4","4","1","2","1") = "4"
    & skf21("3","5","1","4","4","1","3","1") = "4"
    & skf21("3","5","1","4","4","1","4","1") = "4"
    & skf21("3","5","1","4","4","1","5","1") = "4"
    & skf21("3","5","1","4","4","1","6","1") = "5"
    & skf21("3","5","1","4","4","1","7","1") = "6"
    & skf21("3","5","1","4","4","2","1","1") = "4"
    & skf21("3","5","1","4","4","2","2","1") = "4"
    & skf21("3","5","1","4","4","2","3","1") = "4"
    & skf21("3","5","1","4","4","2","4","1") = "4"
    & skf21("3","5","1","4","4","2","5","1") = "4"
    & skf21("3","5","1","4","4","2","6","1") = "5"
    & skf21("3","5","1","4","4","2","7","1") = "6"
    & skf21("3","5","1","4","4","3","1","1") = "4"
    & skf21("3","5","1","4","4","3","2","1") = "4"
    & skf21("3","5","1","4","4","3","3","1") = "4"
    & skf21("3","5","1","4","4","3","4","1") = "4"
    & skf21("3","5","1","4","4","3","5","1") = "4"
    & skf21("3","5","1","4","4","3","6","1") = "5"
    & skf21("3","5","1","4","4","3","7","1") = "6"
    & skf21("3","5","1","4","4","4","1","1") = "4"
    & skf21("3","5","1","4","4","4","2","1") = "4"
    & skf21("3","5","1","4","4","4","3","1") = "4"
    & skf21("3","5","1","4","4","4","4","1") = "4"
    & skf21("3","5","1","4","4","4","5","1") = "4"
    & skf21("3","5","1","4","4","4","6","1") = "5"
    & skf21("3","5","1","4","4","4","7","1") = "6"
    & skf21("3","5","1","4","4","5","1","1") = "4"
    & skf21("3","5","1","4","4","5","2","1") = "4"
    & skf21("3","5","1","4","4","5","3","1") = "4"
    & skf21("3","5","1","4","4","5","4","1") = "4"
    & skf21("3","5","1","4","4","5","5","1") = "4"
    & skf21("3","5","1","4","4","5","6","1") = "5"
    & skf21("3","5","1","4","4","5","7","1") = "6"
    & skf21("3","5","1","4","4","6","1","1") = "5"
    & skf21("3","5","1","4","4","6","2","1") = "5"
    & skf21("3","5","1","4","4","6","3","1") = "5"
    & skf21("3","5","1","4","4","6","4","1") = "5"
    & skf21("3","5","1","4","4","6","5","1") = "5"
    & skf21("3","5","1","4","4","6","6","1") = "5"
    & skf21("3","5","1","4","4","6","7","1") = "6"
    & skf21("3","5","1","4","4","7","1","1") = "6"
    & skf21("3","5","1","4","4","7","2","1") = "6"
    & skf21("3","5","1","4","4","7","3","1") = "6"
    & skf21("3","5","1","4","4","7","4","1") = "6"
    & skf21("3","5","1","4","4","7","5","1") = "6"
    & skf21("3","5","1","4","4","7","6","1") = "6"
    & skf21("3","5","1","4","4","7","7","1") = "6"
    & skf21("3","5","1","4","5","1","1","1") = "4"
    & skf21("3","5","1","4","5","1","2","1") = "4"
    & skf21("3","5","1","4","5","1","3","1") = "4"
    & skf21("3","5","1","4","5","1","4","1") = "4"
    & skf21("3","5","1","4","5","1","5","1") = "4"
    & skf21("3","5","1","4","5","1","6","1") = "5"
    & skf21("3","5","1","4","5","1","7","1") = "6"
    & skf21("3","5","1","4","5","2","1","1") = "4"
    & skf21("3","5","1","4","5","2","2","1") = "4"
    & skf21("3","5","1","4","5","2","3","1") = "4"
    & skf21("3","5","1","4","5","2","4","1") = "4"
    & skf21("3","5","1","4","5","2","5","1") = "4"
    & skf21("3","5","1","4","5","2","6","1") = "5"
    & skf21("3","5","1","4","5","2","7","1") = "6"
    & skf21("3","5","1","4","5","3","1","1") = "4"
    & skf21("3","5","1","4","5","3","2","1") = "4"
    & skf21("3","5","1","4","5","3","3","1") = "4"
    & skf21("3","5","1","4","5","3","4","1") = "4"
    & skf21("3","5","1","4","5","3","5","1") = "4"
    & skf21("3","5","1","4","5","3","6","1") = "5"
    & skf21("3","5","1","4","5","3","7","1") = "6"
    & skf21("3","5","1","4","5","4","1","1") = "4"
    & skf21("3","5","1","4","5","4","2","1") = "4"
    & skf21("3","5","1","4","5","4","3","1") = "4"
    & skf21("3","5","1","4","5","4","4","1") = "4"
    & skf21("3","5","1","4","5","4","5","1") = "4"
    & skf21("3","5","1","4","5","4","6","1") = "5"
    & skf21("3","5","1","4","5","4","7","1") = "6"
    & skf21("3","5","1","4","5","5","1","1") = "4"
    & skf21("3","5","1","4","5","5","2","1") = "4"
    & skf21("3","5","1","4","5","5","3","1") = "4"
    & skf21("3","5","1","4","5","5","4","1") = "4"
    & skf21("3","5","1","4","5","5","5","1") = "4"
    & skf21("3","5","1","4","5","5","6","1") = "5"
    & skf21("3","5","1","4","5","5","7","1") = "6"
    & skf21("3","5","1","4","5","6","1","1") = "5"
    & skf21("3","5","1","4","5","6","2","1") = "5"
    & skf21("3","5","1","4","5","6","3","1") = "5"
    & skf21("3","5","1","4","5","6","4","1") = "5"
    & skf21("3","5","1","4","5","6","5","1") = "5"
    & skf21("3","5","1","4","5","6","6","1") = "5"
    & skf21("3","5","1","4","5","6","7","1") = "6"
    & skf21("3","5","1","4","5","7","1","1") = "6"
    & skf21("3","5","1","4","5","7","2","1") = "6"
    & skf21("3","5","1","4","5","7","3","1") = "6"
    & skf21("3","5","1","4","5","7","4","1") = "6"
    & skf21("3","5","1","4","5","7","5","1") = "6"
    & skf21("3","5","1","4","5","7","6","1") = "6"
    & skf21("3","5","1","4","5","7","7","1") = "6"
    & skf21("3","5","1","4","6","1","1","1") = "5"
    & skf21("3","5","1","4","6","1","2","1") = "5"
    & skf21("3","5","1","4","6","1","3","1") = "5"
    & skf21("3","5","1","4","6","1","4","1") = "5"
    & skf21("3","5","1","4","6","1","5","1") = "5"
    & skf21("3","5","1","4","6","1","6","1") = "5"
    & skf21("3","5","1","4","6","1","7","1") = "6"
    & skf21("3","5","1","4","6","2","1","1") = "5"
    & skf21("3","5","1","4","6","2","2","1") = "5"
    & skf21("3","5","1","4","6","2","3","1") = "5"
    & skf21("3","5","1","4","6","2","4","1") = "5"
    & skf21("3","5","1","4","6","2","5","1") = "5"
    & skf21("3","5","1","4","6","2","6","1") = "5"
    & skf21("3","5","1","4","6","2","7","1") = "6"
    & skf21("3","5","1","4","6","3","1","1") = "5"
    & skf21("3","5","1","4","6","3","2","1") = "5"
    & skf21("3","5","1","4","6","3","3","1") = "5"
    & skf21("3","5","1","4","6","3","4","1") = "5"
    & skf21("3","5","1","4","6","3","5","1") = "5"
    & skf21("3","5","1","4","6","3","6","1") = "5"
    & skf21("3","5","1","4","6","3","7","1") = "6"
    & skf21("3","5","1","4","6","4","1","1") = "5"
    & skf21("3","5","1","4","6","4","2","1") = "5"
    & skf21("3","5","1","4","6","4","3","1") = "5"
    & skf21("3","5","1","4","6","4","4","1") = "5"
    & skf21("3","5","1","4","6","4","5","1") = "5"
    & skf21("3","5","1","4","6","4","6","1") = "5"
    & skf21("3","5","1","4","6","4","7","1") = "6"
    & skf21("3","5","1","4","6","5","1","1") = "5"
    & skf21("3","5","1","4","6","5","2","1") = "5"
    & skf21("3","5","1","4","6","5","3","1") = "5"
    & skf21("3","5","1","4","6","5","4","1") = "5"
    & skf21("3","5","1","4","6","5","5","1") = "5"
    & skf21("3","5","1","4","6","5","6","1") = "5"
    & skf21("3","5","1","4","6","5","7","1") = "6"
    & skf21("3","5","1","4","6","6","1","1") = "5"
    & skf21("3","5","1","4","6","6","2","1") = "5"
    & skf21("3","5","1","4","6","6","3","1") = "5"
    & skf21("3","5","1","4","6","6","4","1") = "5"
    & skf21("3","5","1","4","6","6","5","1") = "5"
    & skf21("3","5","1","4","6","6","6","1") = "5"
    & skf21("3","5","1","4","6","6","7","1") = "6"
    & skf21("3","5","1","4","6","7","1","1") = "6"
    & skf21("3","5","1","4","6","7","2","1") = "6"
    & skf21("3","5","1","4","6","7","3","1") = "6"
    & skf21("3","5","1","4","6","7","4","1") = "6"
    & skf21("3","5","1","4","6","7","5","1") = "6"
    & skf21("3","5","1","4","6","7","6","1") = "6"
    & skf21("3","5","1","4","6","7","7","1") = "6"
    & skf21("3","5","1","4","7","1","1","1") = "6"
    & skf21("3","5","1","4","7","1","2","1") = "6"
    & skf21("3","5","1","4","7","1","3","1") = "6"
    & skf21("3","5","1","4","7","1","4","1") = "6"
    & skf21("3","5","1","4","7","1","5","1") = "6"
    & skf21("3","5","1","4","7","1","6","1") = "6"
    & skf21("3","5","1","4","7","1","7","1") = "6"
    & skf21("3","5","1","4","7","2","1","1") = "6"
    & skf21("3","5","1","4","7","2","2","1") = "6"
    & skf21("3","5","1","4","7","2","3","1") = "6"
    & skf21("3","5","1","4","7","2","4","1") = "6"
    & skf21("3","5","1","4","7","2","5","1") = "6"
    & skf21("3","5","1","4","7","2","6","1") = "6"
    & skf21("3","5","1","4","7","2","7","1") = "6"
    & skf21("3","5","1","4","7","3","1","1") = "6"
    & skf21("3","5","1","4","7","3","2","1") = "6"
    & skf21("3","5","1","4","7","3","3","1") = "6"
    & skf21("3","5","1","4","7","3","4","1") = "6"
    & skf21("3","5","1","4","7","3","5","1") = "6"
    & skf21("3","5","1","4","7","3","6","1") = "6"
    & skf21("3","5","1","4","7","3","7","1") = "6"
    & skf21("3","5","1","4","7","4","1","1") = "6"
    & skf21("3","5","1","4","7","4","2","1") = "6"
    & skf21("3","5","1","4","7","4","3","1") = "6"
    & skf21("3","5","1","4","7","4","4","1") = "6"
    & skf21("3","5","1","4","7","4","5","1") = "6"
    & skf21("3","5","1","4","7","4","6","1") = "6"
    & skf21("3","5","1","4","7","4","7","1") = "6"
    & skf21("3","5","1","4","7","5","1","1") = "6"
    & skf21("3","5","1","4","7","5","2","1") = "6"
    & skf21("3","5","1","4","7","5","3","1") = "6"
    & skf21("3","5","1","4","7","5","4","1") = "6"
    & skf21("3","5","1","4","7","5","5","1") = "6"
    & skf21("3","5","1","4","7","5","6","1") = "6"
    & skf21("3","5","1","4","7","5","7","1") = "6"
    & skf21("3","5","1","4","7","6","1","1") = "6"
    & skf21("3","5","1","4","7","6","2","1") = "6"
    & skf21("3","5","1","4","7","6","3","1") = "6"
    & skf21("3","5","1","4","7","6","4","1") = "6"
    & skf21("3","5","1","4","7","6","5","1") = "6"
    & skf21("3","5","1","4","7","6","6","1") = "6"
    & skf21("3","5","1","4","7","6","7","1") = "6"
    & skf21("3","5","1","4","7","7","1","1") = "6"
    & skf21("3","5","1","4","7","7","2","1") = "6"
    & skf21("3","5","1","4","7","7","3","1") = "6"
    & skf21("3","5","1","4","7","7","4","1") = "6"
    & skf21("3","5","1","4","7","7","5","1") = "6"
    & skf21("3","5","1","4","7","7","6","1") = "6"
    & skf21("3","5","1","4","7","7","7","1") = "6"
    & skf21("3","5","1","5","1","1","1","1") = "4"
    & skf21("3","5","1","5","1","1","2","1") = "4"
    & skf21("3","5","1","5","1","1","3","1") = "4"
    & skf21("3","5","1","5","1","1","4","1") = "4"
    & skf21("3","5","1","5","1","1","5","1") = "4"
    & skf21("3","5","1","5","1","1","6","1") = "5"
    & skf21("3","5","1","5","1","1","7","1") = "6"
    & skf21("3","5","1","5","1","2","1","1") = "4"
    & skf21("3","5","1","5","1","2","2","1") = "4"
    & skf21("3","5","1","5","1","2","3","1") = "4"
    & skf21("3","5","1","5","1","2","4","1") = "4"
    & skf21("3","5","1","5","1","2","5","1") = "4"
    & skf21("3","5","1","5","1","2","6","1") = "5"
    & skf21("3","5","1","5","1","2","7","1") = "6"
    & skf21("3","5","1","5","1","3","1","1") = "4"
    & skf21("3","5","1","5","1","3","2","1") = "4"
    & skf21("3","5","1","5","1","3","3","1") = "4"
    & skf21("3","5","1","5","1","3","4","1") = "4"
    & skf21("3","5","1","5","1","3","5","1") = "4"
    & skf21("3","5","1","5","1","3","6","1") = "5"
    & skf21("3","5","1","5","1","3","7","1") = "6"
    & skf21("3","5","1","5","1","4","1","1") = "4"
    & skf21("3","5","1","5","1","4","2","1") = "4"
    & skf21("3","5","1","5","1","4","3","1") = "4"
    & skf21("3","5","1","5","1","4","4","1") = "4"
    & skf21("3","5","1","5","1","4","5","1") = "4"
    & skf21("3","5","1","5","1","4","6","1") = "5"
    & skf21("3","5","1","5","1","4","7","1") = "6"
    & skf21("3","5","1","5","1","5","1","1") = "4"
    & skf21("3","5","1","5","1","5","2","1") = "4"
    & skf21("3","5","1","5","1","5","3","1") = "4"
    & skf21("3","5","1","5","1","5","4","1") = "4"
    & skf21("3","5","1","5","1","5","5","1") = "4"
    & skf21("3","5","1","5","1","5","6","1") = "5"
    & skf21("3","5","1","5","1","5","7","1") = "6"
    & skf21("3","5","1","5","1","6","1","1") = "5"
    & skf21("3","5","1","5","1","6","2","1") = "5"
    & skf21("3","5","1","5","1","6","3","1") = "5"
    & skf21("3","5","1","5","1","6","4","1") = "5"
    & skf21("3","5","1","5","1","6","5","1") = "5"
    & skf21("3","5","1","5","1","6","6","1") = "5"
    & skf21("3","5","1","5","1","6","7","1") = "6"
    & skf21("3","5","1","5","1","7","1","1") = "6"
    & skf21("3","5","1","5","1","7","2","1") = "6"
    & skf21("3","5","1","5","1","7","3","1") = "6"
    & skf21("3","5","1","5","1","7","4","1") = "6"
    & skf21("3","5","1","5","1","7","5","1") = "6"
    & skf21("3","5","1","5","1","7","6","1") = "6"
    & skf21("3","5","1","5","1","7","7","1") = "6"
    & skf21("3","5","1","5","2","1","1","1") = "4"
    & skf21("3","5","1","5","2","1","2","1") = "4"
    & skf21("3","5","1","5","2","1","3","1") = "4"
    & skf21("3","5","1","5","2","1","4","1") = "4"
    & skf21("3","5","1","5","2","1","5","1") = "4"
    & skf21("3","5","1","5","2","1","6","1") = "5"
    & skf21("3","5","1","5","2","1","7","1") = "6"
    & skf21("3","5","1","5","2","2","1","1") = "4"
    & skf21("3","5","1","5","2","2","2","1") = "4"
    & skf21("3","5","1","5","2","2","3","1") = "4"
    & skf21("3","5","1","5","2","2","4","1") = "4"
    & skf21("3","5","1","5","2","2","5","1") = "4"
    & skf21("3","5","1","5","2","2","6","1") = "5"
    & skf21("3","5","1","5","2","2","7","1") = "6"
    & skf21("3","5","1","5","2","3","1","1") = "4"
    & skf21("3","5","1","5","2","3","2","1") = "4"
    & skf21("3","5","1","5","2","3","3","1") = "4"
    & skf21("3","5","1","5","2","3","4","1") = "4"
    & skf21("3","5","1","5","2","3","5","1") = "4"
    & skf21("3","5","1","5","2","3","6","1") = "5"
    & skf21("3","5","1","5","2","3","7","1") = "6"
    & skf21("3","5","1","5","2","4","1","1") = "4"
    & skf21("3","5","1","5","2","4","2","1") = "4"
    & skf21("3","5","1","5","2","4","3","1") = "4"
    & skf21("3","5","1","5","2","4","4","1") = "4"
    & skf21("3","5","1","5","2","4","5","1") = "4"
    & skf21("3","5","1","5","2","4","6","1") = "5"
    & skf21("3","5","1","5","2","4","7","1") = "6"
    & skf21("3","5","1","5","2","5","1","1") = "4"
    & skf21("3","5","1","5","2","5","2","1") = "4"
    & skf21("3","5","1","5","2","5","3","1") = "4"
    & skf21("3","5","1","5","2","5","4","1") = "4"
    & skf21("3","5","1","5","2","5","5","1") = "4"
    & skf21("3","5","1","5","2","5","6","1") = "5"
    & skf21("3","5","1","5","2","5","7","1") = "6"
    & skf21("3","5","1","5","2","6","1","1") = "5"
    & skf21("3","5","1","5","2","6","2","1") = "5"
    & skf21("3","5","1","5","2","6","3","1") = "5"
    & skf21("3","5","1","5","2","6","4","1") = "5"
    & skf21("3","5","1","5","2","6","5","1") = "5"
    & skf21("3","5","1","5","2","6","6","1") = "5"
    & skf21("3","5","1","5","2","6","7","1") = "6"
    & skf21("3","5","1","5","2","7","1","1") = "6"
    & skf21("3","5","1","5","2","7","2","1") = "6"
    & skf21("3","5","1","5","2","7","3","1") = "6"
    & skf21("3","5","1","5","2","7","4","1") = "6"
    & skf21("3","5","1","5","2","7","5","1") = "6"
    & skf21("3","5","1","5","2","7","6","1") = "6"
    & skf21("3","5","1","5","2","7","7","1") = "6"
    & skf21("3","5","1","5","3","1","1","1") = "4"
    & skf21("3","5","1","5","3","1","2","1") = "4"
    & skf21("3","5","1","5","3","1","3","1") = "4"
    & skf21("3","5","1","5","3","1","4","1") = "4"
    & skf21("3","5","1","5","3","1","5","1") = "4"
    & skf21("3","5","1","5","3","1","6","1") = "5"
    & skf21("3","5","1","5","3","1","7","1") = "6"
    & skf21("3","5","1","5","3","2","1","1") = "4"
    & skf21("3","5","1","5","3","2","2","1") = "4"
    & skf21("3","5","1","5","3","2","3","1") = "4"
    & skf21("3","5","1","5","3","2","4","1") = "4"
    & skf21("3","5","1","5","3","2","5","1") = "4"
    & skf21("3","5","1","5","3","2","6","1") = "5"
    & skf21("3","5","1","5","3","2","7","1") = "6"
    & skf21("3","5","1","5","3","3","1","1") = "4"
    & skf21("3","5","1","5","3","3","2","1") = "4"
    & skf21("3","5","1","5","3","3","3","1") = "4"
    & skf21("3","5","1","5","3","3","4","1") = "4"
    & skf21("3","5","1","5","3","3","5","1") = "4"
    & skf21("3","5","1","5","3","3","6","1") = "5"
    & skf21("3","5","1","5","3","3","7","1") = "6"
    & skf21("3","5","1","5","3","4","1","1") = "4"
    & skf21("3","5","1","5","3","4","2","1") = "4"
    & skf21("3","5","1","5","3","4","3","1") = "4"
    & skf21("3","5","1","5","3","4","4","1") = "4"
    & skf21("3","5","1","5","3","4","5","1") = "4"
    & skf21("3","5","1","5","3","4","6","1") = "5"
    & skf21("3","5","1","5","3","4","7","1") = "6"
    & skf21("3","5","1","5","3","5","1","1") = "4"
    & skf21("3","5","1","5","3","5","2","1") = "4"
    & skf21("3","5","1","5","3","5","3","1") = "4"
    & skf21("3","5","1","5","3","5","4","1") = "4"
    & skf21("3","5","1","5","3","5","5","1") = "4"
    & skf21("3","5","1","5","3","5","6","1") = "5"
    & skf21("3","5","1","5","3","5","7","1") = "6"
    & skf21("3","5","1","5","3","6","1","1") = "5"
    & skf21("3","5","1","5","3","6","2","1") = "5"
    & skf21("3","5","1","5","3","6","3","1") = "5"
    & skf21("3","5","1","5","3","6","4","1") = "5"
    & skf21("3","5","1","5","3","6","5","1") = "5"
    & skf21("3","5","1","5","3","6","6","1") = "5"
    & skf21("3","5","1","5","3","6","7","1") = "6"
    & skf21("3","5","1","5","3","7","1","1") = "6"
    & skf21("3","5","1","5","3","7","2","1") = "6"
    & skf21("3","5","1","5","3","7","3","1") = "6"
    & skf21("3","5","1","5","3","7","4","1") = "6"
    & skf21("3","5","1","5","3","7","5","1") = "6"
    & skf21("3","5","1","5","3","7","6","1") = "6"
    & skf21("3","5","1","5","3","7","7","1") = "6"
    & skf21("3","5","1","5","4","1","1","1") = "4"
    & skf21("3","5","1","5","4","1","2","1") = "4"
    & skf21("3","5","1","5","4","1","3","1") = "4"
    & skf21("3","5","1","5","4","1","4","1") = "4"
    & skf21("3","5","1","5","4","1","5","1") = "4"
    & skf21("3","5","1","5","4","1","6","1") = "5"
    & skf21("3","5","1","5","4","1","7","1") = "6"
    & skf21("3","5","1","5","4","2","1","1") = "4"
    & skf21("3","5","1","5","4","2","2","1") = "4"
    & skf21("3","5","1","5","4","2","3","1") = "4"
    & skf21("3","5","1","5","4","2","4","1") = "4"
    & skf21("3","5","1","5","4","2","5","1") = "4"
    & skf21("3","5","1","5","4","2","6","1") = "5"
    & skf21("3","5","1","5","4","2","7","1") = "6"
    & skf21("3","5","1","5","4","3","1","1") = "4"
    & skf21("3","5","1","5","4","3","2","1") = "4"
    & skf21("3","5","1","5","4","3","3","1") = "4"
    & skf21("3","5","1","5","4","3","4","1") = "4"
    & skf21("3","5","1","5","4","3","5","1") = "4"
    & skf21("3","5","1","5","4","3","6","1") = "5"
    & skf21("3","5","1","5","4","3","7","1") = "6"
    & skf21("3","5","1","5","4","4","1","1") = "4"
    & skf21("3","5","1","5","4","4","2","1") = "4"
    & skf21("3","5","1","5","4","4","3","1") = "4"
    & skf21("3","5","1","5","4","4","4","1") = "4"
    & skf21("3","5","1","5","4","4","5","1") = "4"
    & skf21("3","5","1","5","4","4","6","1") = "5"
    & skf21("3","5","1","5","4","4","7","1") = "6"
    & skf21("3","5","1","5","4","5","1","1") = "4"
    & skf21("3","5","1","5","4","5","2","1") = "4"
    & skf21("3","5","1","5","4","5","3","1") = "4"
    & skf21("3","5","1","5","4","5","4","1") = "4"
    & skf21("3","5","1","5","4","5","5","1") = "4"
    & skf21("3","5","1","5","4","5","6","1") = "5"
    & skf21("3","5","1","5","4","5","7","1") = "6"
    & skf21("3","5","1","5","4","6","1","1") = "5"
    & skf21("3","5","1","5","4","6","2","1") = "5"
    & skf21("3","5","1","5","4","6","3","1") = "5"
    & skf21("3","5","1","5","4","6","4","1") = "5"
    & skf21("3","5","1","5","4","6","5","1") = "5"
    & skf21("3","5","1","5","4","6","6","1") = "5"
    & skf21("3","5","1","5","4","6","7","1") = "6"
    & skf21("3","5","1","5","4","7","1","1") = "6"
    & skf21("3","5","1","5","4","7","2","1") = "6"
    & skf21("3","5","1","5","4","7","3","1") = "6"
    & skf21("3","5","1","5","4","7","4","1") = "6"
    & skf21("3","5","1","5","4","7","5","1") = "6"
    & skf21("3","5","1","5","4","7","6","1") = "6"
    & skf21("3","5","1","5","4","7","7","1") = "6"
    & skf21("3","5","1","5","5","1","1","1") = "4"
    & skf21("3","5","1","5","5","1","2","1") = "4"
    & skf21("3","5","1","5","5","1","3","1") = "4"
    & skf21("3","5","1","5","5","1","4","1") = "4"
    & skf21("3","5","1","5","5","1","5","1") = "4"
    & skf21("3","5","1","5","5","1","6","1") = "5"
    & skf21("3","5","1","5","5","1","7","1") = "6"
    & skf21("3","5","1","5","5","2","1","1") = "4"
    & skf21("3","5","1","5","5","2","2","1") = "4"
    & skf21("3","5","1","5","5","2","3","1") = "4"
    & skf21("3","5","1","5","5","2","4","1") = "4"
    & skf21("3","5","1","5","5","2","5","1") = "4"
    & skf21("3","5","1","5","5","2","6","1") = "5"
    & skf21("3","5","1","5","5","2","7","1") = "6"
    & skf21("3","5","1","5","5","3","1","1") = "4"
    & skf21("3","5","1","5","5","3","2","1") = "4"
    & skf21("3","5","1","5","5","3","3","1") = "4"
    & skf21("3","5","1","5","5","3","4","1") = "4"
    & skf21("3","5","1","5","5","3","5","1") = "4"
    & skf21("3","5","1","5","5","3","6","1") = "5"
    & skf21("3","5","1","5","5","3","7","1") = "6"
    & skf21("3","5","1","5","5","4","1","1") = "4"
    & skf21("3","5","1","5","5","4","2","1") = "4"
    & skf21("3","5","1","5","5","4","3","1") = "4"
    & skf21("3","5","1","5","5","4","4","1") = "4"
    & skf21("3","5","1","5","5","4","5","1") = "4"
    & skf21("3","5","1","5","5","4","6","1") = "5"
    & skf21("3","5","1","5","5","4","7","1") = "6"
    & skf21("3","5","1","5","5","5","1","1") = "4"
    & skf21("3","5","1","5","5","5","2","1") = "4"
    & skf21("3","5","1","5","5","5","3","1") = "4"
    & skf21("3","5","1","5","5","5","4","1") = "4"
    & skf21("3","5","1","5","5","5","5","1") = "4"
    & skf21("3","5","1","5","5","5","6","1") = "5"
    & skf21("3","5","1","5","5","5","7","1") = "6"
    & skf21("3","5","1","5","5","6","1","1") = "5"
    & skf21("3","5","1","5","5","6","2","1") = "5"
    & skf21("3","5","1","5","5","6","3","1") = "5"
    & skf21("3","5","1","5","5","6","4","1") = "5"
    & skf21("3","5","1","5","5","6","5","1") = "5"
    & skf21("3","5","1","5","5","6","6","1") = "5"
    & skf21("3","5","1","5","5","6","7","1") = "6"
    & skf21("3","5","1","5","5","7","1","1") = "6"
    & skf21("3","5","1","5","5","7","2","1") = "6"
    & skf21("3","5","1","5","5","7","3","1") = "6"
    & skf21("3","5","1","5","5","7","4","1") = "6"
    & skf21("3","5","1","5","5","7","5","1") = "6"
    & skf21("3","5","1","5","5","7","6","1") = "6"
    & skf21("3","5","1","5","5","7","7","1") = "6"
    & skf21("3","5","1","5","6","1","1","1") = "5"
    & skf21("3","5","1","5","6","1","2","1") = "5"
    & skf21("3","5","1","5","6","1","3","1") = "5"
    & skf21("3","5","1","5","6","1","4","1") = "5"
    & skf21("3","5","1","5","6","1","5","1") = "5"
    & skf21("3","5","1","5","6","1","6","1") = "5"
    & skf21("3","5","1","5","6","1","7","1") = "6"
    & skf21("3","5","1","5","6","2","1","1") = "5"
    & skf21("3","5","1","5","6","2","2","1") = "5"
    & skf21("3","5","1","5","6","2","3","1") = "5"
    & skf21("3","5","1","5","6","2","4","1") = "5"
    & skf21("3","5","1","5","6","2","5","1") = "5"
    & skf21("3","5","1","5","6","2","6","1") = "5"
    & skf21("3","5","1","5","6","2","7","1") = "6"
    & skf21("3","5","1","5","6","3","1","1") = "5"
    & skf21("3","5","1","5","6","3","2","1") = "5"
    & skf21("3","5","1","5","6","3","3","1") = "5"
    & skf21("3","5","1","5","6","3","4","1") = "5"
    & skf21("3","5","1","5","6","3","5","1") = "5"
    & skf21("3","5","1","5","6","3","6","1") = "5"
    & skf21("3","5","1","5","6","3","7","1") = "6"
    & skf21("3","5","1","5","6","4","1","1") = "5"
    & skf21("3","5","1","5","6","4","2","1") = "5"
    & skf21("3","5","1","5","6","4","3","1") = "5"
    & skf21("3","5","1","5","6","4","4","1") = "5"
    & skf21("3","5","1","5","6","4","5","1") = "5"
    & skf21("3","5","1","5","6","4","6","1") = "5"
    & skf21("3","5","1","5","6","4","7","1") = "6"
    & skf21("3","5","1","5","6","5","1","1") = "5"
    & skf21("3","5","1","5","6","5","2","1") = "5"
    & skf21("3","5","1","5","6","5","3","1") = "5"
    & skf21("3","5","1","5","6","5","4","1") = "5"
    & skf21("3","5","1","5","6","5","5","1") = "5"
    & skf21("3","5","1","5","6","5","6","1") = "5"
    & skf21("3","5","1","5","6","5","7","1") = "6"
    & skf21("3","5","1","5","6","6","1","1") = "5"
    & skf21("3","5","1","5","6","6","2","1") = "5"
    & skf21("3","5","1","5","6","6","3","1") = "5"
    & skf21("3","5","1","5","6","6","4","1") = "5"
    & skf21("3","5","1","5","6","6","5","1") = "5"
    & skf21("3","5","1","5","6","6","6","1") = "5"
    & skf21("3","5","1","5","6","6","7","1") = "6"
    & skf21("3","5","1","5","6","7","1","1") = "6"
    & skf21("3","5","1","5","6","7","2","1") = "6"
    & skf21("3","5","1","5","6","7","3","1") = "6"
    & skf21("3","5","1","5","6","7","4","1") = "6"
    & skf21("3","5","1","5","6","7","5","1") = "6"
    & skf21("3","5","1","5","6","7","6","1") = "6"
    & skf21("3","5","1","5","6","7","7","1") = "6"
    & skf21("3","5","1","5","7","1","1","1") = "6"
    & skf21("3","5","1","5","7","1","2","1") = "6"
    & skf21("3","5","1","5","7","1","3","1") = "6"
    & skf21("3","5","1","5","7","1","4","1") = "6"
    & skf21("3","5","1","5","7","1","5","1") = "6"
    & skf21("3","5","1","5","7","1","6","1") = "6"
    & skf21("3","5","1","5","7","1","7","1") = "6"
    & skf21("3","5","1","5","7","2","1","1") = "6"
    & skf21("3","5","1","5","7","2","2","1") = "6"
    & skf21("3","5","1","5","7","2","3","1") = "6"
    & skf21("3","5","1","5","7","2","4","1") = "6"
    & skf21("3","5","1","5","7","2","5","1") = "6"
    & skf21("3","5","1","5","7","2","6","1") = "6"
    & skf21("3","5","1","5","7","2","7","1") = "6"
    & skf21("3","5","1","5","7","3","1","1") = "6"
    & skf21("3","5","1","5","7","3","2","1") = "6"
    & skf21("3","5","1","5","7","3","3","1") = "6"
    & skf21("3","5","1","5","7","3","4","1") = "6"
    & skf21("3","5","1","5","7","3","5","1") = "6"
    & skf21("3","5","1","5","7","3","6","1") = "6"
    & skf21("3","5","1","5","7","3","7","1") = "6"
    & skf21("3","5","1","5","7","4","1","1") = "6"
    & skf21("3","5","1","5","7","4","2","1") = "6"
    & skf21("3","5","1","5","7","4","3","1") = "6"
    & skf21("3","5","1","5","7","4","4","1") = "6"
    & skf21("3","5","1","5","7","4","5","1") = "6"
    & skf21("3","5","1","5","7","4","6","1") = "6"
    & skf21("3","5","1","5","7","4","7","1") = "6"
    & skf21("3","5","1","5","7","5","1","1") = "6"
    & skf21("3","5","1","5","7","5","2","1") = "6"
    & skf21("3","5","1","5","7","5","3","1") = "6"
    & skf21("3","5","1","5","7","5","4","1") = "6"
    & skf21("3","5","1","5","7","5","5","1") = "6"
    & skf21("3","5","1","5","7","5","6","1") = "6"
    & skf21("3","5","1","5","7","5","7","1") = "6"
    & skf21("3","5","1","5","7","6","1","1") = "6"
    & skf21("3","5","1","5","7","6","2","1") = "6"
    & skf21("3","5","1","5","7","6","3","1") = "6"
    & skf21("3","5","1","5","7","6","4","1") = "6"
    & skf21("3","5","1","5","7","6","5","1") = "6"
    & skf21("3","5","1","5","7","6","6","1") = "6"
    & skf21("3","5","1","5","7","6","7","1") = "6"
    & skf21("3","5","1","5","7","7","1","1") = "6"
    & skf21("3","5","1","5","7","7","2","1") = "6"
    & skf21("3","5","1","5","7","7","3","1") = "6"
    & skf21("3","5","1","5","7","7","4","1") = "6"
    & skf21("3","5","1","5","7","7","5","1") = "6"
    & skf21("3","5","1","5","7","7","6","1") = "6"
    & skf21("3","5","1","5","7","7","7","1") = "6"
    & skf21("3","5","1","6","1","1","1","1") = "5"
    & skf21("3","5","1","6","1","1","2","1") = "5"
    & skf21("3","5","1","6","1","1","3","1") = "5"
    & skf21("3","5","1","6","1","1","4","1") = "5"
    & skf21("3","5","1","6","1","1","5","1") = "5"
    & skf21("3","5","1","6","1","1","6","1") = "5"
    & skf21("3","5","1","6","1","1","7","1") = "6"
    & skf21("3","5","1","6","1","2","1","1") = "5"
    & skf21("3","5","1","6","1","2","2","1") = "5"
    & skf21("3","5","1","6","1","2","3","1") = "5"
    & skf21("3","5","1","6","1","2","4","1") = "5"
    & skf21("3","5","1","6","1","2","5","1") = "5"
    & skf21("3","5","1","6","1","2","6","1") = "5"
    & skf21("3","5","1","6","1","2","7","1") = "6"
    & skf21("3","5","1","6","1","3","1","1") = "5"
    & skf21("3","5","1","6","1","3","2","1") = "5"
    & skf21("3","5","1","6","1","3","3","1") = "5"
    & skf21("3","5","1","6","1","3","4","1") = "5"
    & skf21("3","5","1","6","1","3","5","1") = "5"
    & skf21("3","5","1","6","1","3","6","1") = "5"
    & skf21("3","5","1","6","1","3","7","1") = "6"
    & skf21("3","5","1","6","1","4","1","1") = "5"
    & skf21("3","5","1","6","1","4","2","1") = "5"
    & skf21("3","5","1","6","1","4","3","1") = "5"
    & skf21("3","5","1","6","1","4","4","1") = "5"
    & skf21("3","5","1","6","1","4","5","1") = "5"
    & skf21("3","5","1","6","1","4","6","1") = "5"
    & skf21("3","5","1","6","1","4","7","1") = "6"
    & skf21("3","5","1","6","1","5","1","1") = "5"
    & skf21("3","5","1","6","1","5","2","1") = "5"
    & skf21("3","5","1","6","1","5","3","1") = "5"
    & skf21("3","5","1","6","1","5","4","1") = "5"
    & skf21("3","5","1","6","1","5","5","1") = "5"
    & skf21("3","5","1","6","1","5","6","1") = "5"
    & skf21("3","5","1","6","1","5","7","1") = "6"
    & skf21("3","5","1","6","1","6","1","1") = "5"
    & skf21("3","5","1","6","1","6","2","1") = "5"
    & skf21("3","5","1","6","1","6","3","1") = "5"
    & skf21("3","5","1","6","1","6","4","1") = "5"
    & skf21("3","5","1","6","1","6","5","1") = "5"
    & skf21("3","5","1","6","1","6","6","1") = "5"
    & skf21("3","5","1","6","1","6","7","1") = "6"
    & skf21("3","5","1","6","1","7","1","1") = "6"
    & skf21("3","5","1","6","1","7","2","1") = "6"
    & skf21("3","5","1","6","1","7","3","1") = "6"
    & skf21("3","5","1","6","1","7","4","1") = "6"
    & skf21("3","5","1","6","1","7","5","1") = "6"
    & skf21("3","5","1","6","1","7","6","1") = "6"
    & skf21("3","5","1","6","1","7","7","1") = "6"
    & skf21("3","5","1","6","2","1","1","1") = "5"
    & skf21("3","5","1","6","2","1","2","1") = "5"
    & skf21("3","5","1","6","2","1","3","1") = "5"
    & skf21("3","5","1","6","2","1","4","1") = "5"
    & skf21("3","5","1","6","2","1","5","1") = "5"
    & skf21("3","5","1","6","2","1","6","1") = "5"
    & skf21("3","5","1","6","2","1","7","1") = "6"
    & skf21("3","5","1","6","2","2","1","1") = "5"
    & skf21("3","5","1","6","2","2","2","1") = "5"
    & skf21("3","5","1","6","2","2","3","1") = "5"
    & skf21("3","5","1","6","2","2","4","1") = "5"
    & skf21("3","5","1","6","2","2","5","1") = "5"
    & skf21("3","5","1","6","2","2","6","1") = "5"
    & skf21("3","5","1","6","2","2","7","1") = "6"
    & skf21("3","5","1","6","2","3","1","1") = "5"
    & skf21("3","5","1","6","2","3","2","1") = "5"
    & skf21("3","5","1","6","2","3","3","1") = "5"
    & skf21("3","5","1","6","2","3","4","1") = "5"
    & skf21("3","5","1","6","2","3","5","1") = "5"
    & skf21("3","5","1","6","2","3","6","1") = "5"
    & skf21("3","5","1","6","2","3","7","1") = "6"
    & skf21("3","5","1","6","2","4","1","1") = "5"
    & skf21("3","5","1","6","2","4","2","1") = "5"
    & skf21("3","5","1","6","2","4","3","1") = "5"
    & skf21("3","5","1","6","2","4","4","1") = "5"
    & skf21("3","5","1","6","2","4","5","1") = "5"
    & skf21("3","5","1","6","2","4","6","1") = "5"
    & skf21("3","5","1","6","2","4","7","1") = "6"
    & skf21("3","5","1","6","2","5","1","1") = "5"
    & skf21("3","5","1","6","2","5","2","1") = "5"
    & skf21("3","5","1","6","2","5","3","1") = "5"
    & skf21("3","5","1","6","2","5","4","1") = "5"
    & skf21("3","5","1","6","2","5","5","1") = "5"
    & skf21("3","5","1","6","2","5","6","1") = "5"
    & skf21("3","5","1","6","2","5","7","1") = "6"
    & skf21("3","5","1","6","2","6","1","1") = "5"
    & skf21("3","5","1","6","2","6","2","1") = "5"
    & skf21("3","5","1","6","2","6","3","1") = "5"
    & skf21("3","5","1","6","2","6","4","1") = "5"
    & skf21("3","5","1","6","2","6","5","1") = "5"
    & skf21("3","5","1","6","2","6","6","1") = "5"
    & skf21("3","5","1","6","2","6","7","1") = "6"
    & skf21("3","5","1","6","2","7","1","1") = "6"
    & skf21("3","5","1","6","2","7","2","1") = "6"
    & skf21("3","5","1","6","2","7","3","1") = "6"
    & skf21("3","5","1","6","2","7","4","1") = "6"
    & skf21("3","5","1","6","2","7","5","1") = "6"
    & skf21("3","5","1","6","2","7","6","1") = "6"
    & skf21("3","5","1","6","2","7","7","1") = "6"
    & skf21("3","5","1","6","3","1","1","1") = "5"
    & skf21("3","5","1","6","3","1","2","1") = "5"
    & skf21("3","5","1","6","3","1","3","1") = "5"
    & skf21("3","5","1","6","3","1","4","1") = "5"
    & skf21("3","5","1","6","3","1","5","1") = "5"
    & skf21("3","5","1","6","3","1","6","1") = "5"
    & skf21("3","5","1","6","3","1","7","1") = "6"
    & skf21("3","5","1","6","3","2","1","1") = "5"
    & skf21("3","5","1","6","3","2","2","1") = "5"
    & skf21("3","5","1","6","3","2","3","1") = "5"
    & skf21("3","5","1","6","3","2","4","1") = "5"
    & skf21("3","5","1","6","3","2","5","1") = "5"
    & skf21("3","5","1","6","3","2","6","1") = "5"
    & skf21("3","5","1","6","3","2","7","1") = "6"
    & skf21("3","5","1","6","3","3","1","1") = "5"
    & skf21("3","5","1","6","3","3","2","1") = "5"
    & skf21("3","5","1","6","3","3","3","1") = "5"
    & skf21("3","5","1","6","3","3","4","1") = "5"
    & skf21("3","5","1","6","3","3","5","1") = "5"
    & skf21("3","5","1","6","3","3","6","1") = "5"
    & skf21("3","5","1","6","3","3","7","1") = "6"
    & skf21("3","5","1","6","3","4","1","1") = "5"
    & skf21("3","5","1","6","3","4","2","1") = "5"
    & skf21("3","5","1","6","3","4","3","1") = "5"
    & skf21("3","5","1","6","3","4","4","1") = "5"
    & skf21("3","5","1","6","3","4","5","1") = "5"
    & skf21("3","5","1","6","3","4","6","1") = "5"
    & skf21("3","5","1","6","3","4","7","1") = "6"
    & skf21("3","5","1","6","3","5","1","1") = "5"
    & skf21("3","5","1","6","3","5","2","1") = "5"
    & skf21("3","5","1","6","3","5","3","1") = "5"
    & skf21("3","5","1","6","3","5","4","1") = "5"
    & skf21("3","5","1","6","3","5","5","1") = "5"
    & skf21("3","5","1","6","3","5","6","1") = "5"
    & skf21("3","5","1","6","3","5","7","1") = "6"
    & skf21("3","5","1","6","3","6","1","1") = "5"
    & skf21("3","5","1","6","3","6","2","1") = "5"
    & skf21("3","5","1","6","3","6","3","1") = "5"
    & skf21("3","5","1","6","3","6","4","1") = "5"
    & skf21("3","5","1","6","3","6","5","1") = "5"
    & skf21("3","5","1","6","3","6","6","1") = "5"
    & skf21("3","5","1","6","3","6","7","1") = "6"
    & skf21("3","5","1","6","3","7","1","1") = "6"
    & skf21("3","5","1","6","3","7","2","1") = "6"
    & skf21("3","5","1","6","3","7","3","1") = "6"
    & skf21("3","5","1","6","3","7","4","1") = "6"
    & skf21("3","5","1","6","3","7","5","1") = "6"
    & skf21("3","5","1","6","3","7","6","1") = "6"
    & skf21("3","5","1","6","3","7","7","1") = "6"
    & skf21("3","5","1","6","4","1","1","1") = "5"
    & skf21("3","5","1","6","4","1","2","1") = "5"
    & skf21("3","5","1","6","4","1","3","1") = "5"
    & skf21("3","5","1","6","4","1","4","1") = "5"
    & skf21("3","5","1","6","4","1","5","1") = "5"
    & skf21("3","5","1","6","4","1","6","1") = "5"
    & skf21("3","5","1","6","4","1","7","1") = "6"
    & skf21("3","5","1","6","4","2","1","1") = "5"
    & skf21("3","5","1","6","4","2","2","1") = "5"
    & skf21("3","5","1","6","4","2","3","1") = "5"
    & skf21("3","5","1","6","4","2","4","1") = "5"
    & skf21("3","5","1","6","4","2","5","1") = "5"
    & skf21("3","5","1","6","4","2","6","1") = "5"
    & skf21("3","5","1","6","4","2","7","1") = "6"
    & skf21("3","5","1","6","4","3","1","1") = "5"
    & skf21("3","5","1","6","4","3","2","1") = "5"
    & skf21("3","5","1","6","4","3","3","1") = "5"
    & skf21("3","5","1","6","4","3","4","1") = "5"
    & skf21("3","5","1","6","4","3","5","1") = "5"
    & skf21("3","5","1","6","4","3","6","1") = "5"
    & skf21("3","5","1","6","4","3","7","1") = "6"
    & skf21("3","5","1","6","4","4","1","1") = "5"
    & skf21("3","5","1","6","4","4","2","1") = "5"
    & skf21("3","5","1","6","4","4","3","1") = "5"
    & skf21("3","5","1","6","4","4","4","1") = "5"
    & skf21("3","5","1","6","4","4","5","1") = "5"
    & skf21("3","5","1","6","4","4","6","1") = "5"
    & skf21("3","5","1","6","4","4","7","1") = "6"
    & skf21("3","5","1","6","4","5","1","1") = "5"
    & skf21("3","5","1","6","4","5","2","1") = "5"
    & skf21("3","5","1","6","4","5","3","1") = "5"
    & skf21("3","5","1","6","4","5","4","1") = "5"
    & skf21("3","5","1","6","4","5","5","1") = "5"
    & skf21("3","5","1","6","4","5","6","1") = "5"
    & skf21("3","5","1","6","4","5","7","1") = "6"
    & skf21("3","5","1","6","4","6","1","1") = "5"
    & skf21("3","5","1","6","4","6","2","1") = "5"
    & skf21("3","5","1","6","4","6","3","1") = "5"
    & skf21("3","5","1","6","4","6","4","1") = "5"
    & skf21("3","5","1","6","4","6","5","1") = "5"
    & skf21("3","5","1","6","4","6","6","1") = "5"
    & skf21("3","5","1","6","4","6","7","1") = "6"
    & skf21("3","5","1","6","4","7","1","1") = "6"
    & skf21("3","5","1","6","4","7","2","1") = "6"
    & skf21("3","5","1","6","4","7","3","1") = "6"
    & skf21("3","5","1","6","4","7","4","1") = "6"
    & skf21("3","5","1","6","4","7","5","1") = "6"
    & skf21("3","5","1","6","4","7","6","1") = "6"
    & skf21("3","5","1","6","4","7","7","1") = "6"
    & skf21("3","5","1","6","5","1","1","1") = "5"
    & skf21("3","5","1","6","5","1","2","1") = "5"
    & skf21("3","5","1","6","5","1","3","1") = "5"
    & skf21("3","5","1","6","5","1","4","1") = "5"
    & skf21("3","5","1","6","5","1","5","1") = "5"
    & skf21("3","5","1","6","5","1","6","1") = "5"
    & skf21("3","5","1","6","5","1","7","1") = "6"
    & skf21("3","5","1","6","5","2","1","1") = "5"
    & skf21("3","5","1","6","5","2","2","1") = "5"
    & skf21("3","5","1","6","5","2","3","1") = "5"
    & skf21("3","5","1","6","5","2","4","1") = "5"
    & skf21("3","5","1","6","5","2","5","1") = "5"
    & skf21("3","5","1","6","5","2","6","1") = "5"
    & skf21("3","5","1","6","5","2","7","1") = "6"
    & skf21("3","5","1","6","5","3","1","1") = "5"
    & skf21("3","5","1","6","5","3","2","1") = "5"
    & skf21("3","5","1","6","5","3","3","1") = "5"
    & skf21("3","5","1","6","5","3","4","1") = "5"
    & skf21("3","5","1","6","5","3","5","1") = "5"
    & skf21("3","5","1","6","5","3","6","1") = "5"
    & skf21("3","5","1","6","5","3","7","1") = "6"
    & skf21("3","5","1","6","5","4","1","1") = "5"
    & skf21("3","5","1","6","5","4","2","1") = "5"
    & skf21("3","5","1","6","5","4","3","1") = "5"
    & skf21("3","5","1","6","5","4","4","1") = "5"
    & skf21("3","5","1","6","5","4","5","1") = "5"
    & skf21("3","5","1","6","5","4","6","1") = "5"
    & skf21("3","5","1","6","5","4","7","1") = "6"
    & skf21("3","5","1","6","5","5","1","1") = "5"
    & skf21("3","5","1","6","5","5","2","1") = "5"
    & skf21("3","5","1","6","5","5","3","1") = "5"
    & skf21("3","5","1","6","5","5","4","1") = "5"
    & skf21("3","5","1","6","5","5","5","1") = "5"
    & skf21("3","5","1","6","5","5","6","1") = "5"
    & skf21("3","5","1","6","5","5","7","1") = "6"
    & skf21("3","5","1","6","5","6","1","1") = "5"
    & skf21("3","5","1","6","5","6","2","1") = "5"
    & skf21("3","5","1","6","5","6","3","1") = "5"
    & skf21("3","5","1","6","5","6","4","1") = "5"
    & skf21("3","5","1","6","5","6","5","1") = "5"
    & skf21("3","5","1","6","5","6","6","1") = "5"
    & skf21("3","5","1","6","5","6","7","1") = "6"
    & skf21("3","5","1","6","5","7","1","1") = "6"
    & skf21("3","5","1","6","5","7","2","1") = "6"
    & skf21("3","5","1","6","5","7","3","1") = "6"
    & skf21("3","5","1","6","5","7","4","1") = "6"
    & skf21("3","5","1","6","5","7","5","1") = "6"
    & skf21("3","5","1","6","5","7","6","1") = "6"
    & skf21("3","5","1","6","5","7","7","1") = "6"
    & skf21("3","5","1","6","6","1","1","1") = "5"
    & skf21("3","5","1","6","6","1","2","1") = "5"
    & skf21("3","5","1","6","6","1","3","1") = "5"
    & skf21("3","5","1","6","6","1","4","1") = "5"
    & skf21("3","5","1","6","6","1","5","1") = "5"
    & skf21("3","5","1","6","6","1","6","1") = "5"
    & skf21("3","5","1","6","6","1","7","1") = "6"
    & skf21("3","5","1","6","6","2","1","1") = "5"
    & skf21("3","5","1","6","6","2","2","1") = "5"
    & skf21("3","5","1","6","6","2","3","1") = "5"
    & skf21("3","5","1","6","6","2","4","1") = "5"
    & skf21("3","5","1","6","6","2","5","1") = "5"
    & skf21("3","5","1","6","6","2","6","1") = "5"
    & skf21("3","5","1","6","6","2","7","1") = "6"
    & skf21("3","5","1","6","6","3","1","1") = "5"
    & skf21("3","5","1","6","6","3","2","1") = "5"
    & skf21("3","5","1","6","6","3","3","1") = "5"
    & skf21("3","5","1","6","6","3","4","1") = "5"
    & skf21("3","5","1","6","6","3","5","1") = "5"
    & skf21("3","5","1","6","6","3","6","1") = "5"
    & skf21("3","5","1","6","6","3","7","1") = "6"
    & skf21("3","5","1","6","6","4","1","1") = "5"
    & skf21("3","5","1","6","6","4","2","1") = "5"
    & skf21("3","5","1","6","6","4","3","1") = "5"
    & skf21("3","5","1","6","6","4","4","1") = "5"
    & skf21("3","5","1","6","6","4","5","1") = "5"
    & skf21("3","5","1","6","6","4","6","1") = "5"
    & skf21("3","5","1","6","6","4","7","1") = "6"
    & skf21("3","5","1","6","6","5","1","1") = "5"
    & skf21("3","5","1","6","6","5","2","1") = "5"
    & skf21("3","5","1","6","6","5","3","1") = "5"
    & skf21("3","5","1","6","6","5","4","1") = "5"
    & skf21("3","5","1","6","6","5","5","1") = "5"
    & skf21("3","5","1","6","6","5","6","1") = "5"
    & skf21("3","5","1","6","6","5","7","1") = "6"
    & skf21("3","5","1","6","6","6","1","1") = "5"
    & skf21("3","5","1","6","6","6","2","1") = "5"
    & skf21("3","5","1","6","6","6","3","1") = "5"
    & skf21("3","5","1","6","6","6","4","1") = "5"
    & skf21("3","5","1","6","6","6","5","1") = "5"
    & skf21("3","5","1","6","6","6","6","1") = "5"
    & skf21("3","5","1","6","6","6","7","1") = "6"
    & skf21("3","5","1","6","6","7","1","1") = "6"
    & skf21("3","5","1","6","6","7","2","1") = "6"
    & skf21("3","5","1","6","6","7","3","1") = "6"
    & skf21("3","5","1","6","6","7","4","1") = "6"
    & skf21("3","5","1","6","6","7","5","1") = "6"
    & skf21("3","5","1","6","6","7","6","1") = "6"
    & skf21("3","5","1","6","6","7","7","1") = "6"
    & skf21("3","5","1","6","7","1","1","1") = "6"
    & skf21("3","5","1","6","7","1","2","1") = "6"
    & skf21("3","5","1","6","7","1","3","1") = "6"
    & skf21("3","5","1","6","7","1","4","1") = "6"
    & skf21("3","5","1","6","7","1","5","1") = "6"
    & skf21("3","5","1","6","7","1","6","1") = "6"
    & skf21("3","5","1","6","7","1","7","1") = "6"
    & skf21("3","5","1","6","7","2","1","1") = "6"
    & skf21("3","5","1","6","7","2","2","1") = "6"
    & skf21("3","5","1","6","7","2","3","1") = "6"
    & skf21("3","5","1","6","7","2","4","1") = "6"
    & skf21("3","5","1","6","7","2","5","1") = "6"
    & skf21("3","5","1","6","7","2","6","1") = "6"
    & skf21("3","5","1","6","7","2","7","1") = "6"
    & skf21("3","5","1","6","7","3","1","1") = "6"
    & skf21("3","5","1","6","7","3","2","1") = "6"
    & skf21("3","5","1","6","7","3","3","1") = "6"
    & skf21("3","5","1","6","7","3","4","1") = "6"
    & skf21("3","5","1","6","7","3","5","1") = "6"
    & skf21("3","5","1","6","7","3","6","1") = "6"
    & skf21("3","5","1","6","7","3","7","1") = "6"
    & skf21("3","5","1","6","7","4","1","1") = "6"
    & skf21("3","5","1","6","7","4","2","1") = "6"
    & skf21("3","5","1","6","7","4","3","1") = "6"
    & skf21("3","5","1","6","7","4","4","1") = "6"
    & skf21("3","5","1","6","7","4","5","1") = "6"
    & skf21("3","5","1","6","7","4","6","1") = "6"
    & skf21("3","5","1","6","7","4","7","1") = "6"
    & skf21("3","5","1","6","7","5","1","1") = "6"
    & skf21("3","5","1","6","7","5","2","1") = "6"
    & skf21("3","5","1","6","7","5","3","1") = "6"
    & skf21("3","5","1","6","7","5","4","1") = "6"
    & skf21("3","5","1","6","7","5","5","1") = "6"
    & skf21("3","5","1","6","7","5","6","1") = "6"
    & skf21("3","5","1","6","7","5","7","1") = "6"
    & skf21("3","5","1","6","7","6","1","1") = "6"
    & skf21("3","5","1","6","7","6","2","1") = "6"
    & skf21("3","5","1","6","7","6","3","1") = "6"
    & skf21("3","5","1","6","7","6","4","1") = "6"
    & skf21("3","5","1","6","7","6","5","1") = "6"
    & skf21("3","5","1","6","7","6","6","1") = "6"
    & skf21("3","5","1","6","7","6","7","1") = "6"
    & skf21("3","5","1","6","7","7","1","1") = "6"
    & skf21("3","5","1","6","7","7","2","1") = "6"
    & skf21("3","5","1","6","7","7","3","1") = "6"
    & skf21("3","5","1","6","7","7","4","1") = "6"
    & skf21("3","5","1","6","7","7","5","1") = "6"
    & skf21("3","5","1","6","7","7","6","1") = "6"
    & skf21("3","5","1","6","7","7","7","1") = "6"
    & skf21("3","5","1","7","1","1","1","1") = "6"
    & skf21("3","5","1","7","1","1","2","1") = "6"
    & skf21("3","5","1","7","1","1","3","1") = "6"
    & skf21("3","5","1","7","1","1","4","1") = "6"
    & skf21("3","5","1","7","1","1","5","1") = "6"
    & skf21("3","5","1","7","1","1","6","1") = "6"
    & skf21("3","5","1","7","1","1","7","1") = "6"
    & skf21("3","5","1","7","1","2","1","1") = "6"
    & skf21("3","5","1","7","1","2","2","1") = "6"
    & skf21("3","5","1","7","1","2","3","1") = "6"
    & skf21("3","5","1","7","1","2","4","1") = "6"
    & skf21("3","5","1","7","1","2","5","1") = "6"
    & skf21("3","5","1","7","1","2","6","1") = "6"
    & skf21("3","5","1","7","1","2","7","1") = "6"
    & skf21("3","5","1","7","1","3","1","1") = "6"
    & skf21("3","5","1","7","1","3","2","1") = "6"
    & skf21("3","5","1","7","1","3","3","1") = "6"
    & skf21("3","5","1","7","1","3","4","1") = "6"
    & skf21("3","5","1","7","1","3","5","1") = "6"
    & skf21("3","5","1","7","1","3","6","1") = "6"
    & skf21("3","5","1","7","1","3","7","1") = "6"
    & skf21("3","5","1","7","1","4","1","1") = "6"
    & skf21("3","5","1","7","1","4","2","1") = "6"
    & skf21("3","5","1","7","1","4","3","1") = "6"
    & skf21("3","5","1","7","1","4","4","1") = "6"
    & skf21("3","5","1","7","1","4","5","1") = "6"
    & skf21("3","5","1","7","1","4","6","1") = "6"
    & skf21("3","5","1","7","1","4","7","1") = "6"
    & skf21("3","5","1","7","1","5","1","1") = "6"
    & skf21("3","5","1","7","1","5","2","1") = "6"
    & skf21("3","5","1","7","1","5","3","1") = "6"
    & skf21("3","5","1","7","1","5","4","1") = "6"
    & skf21("3","5","1","7","1","5","5","1") = "6"
    & skf21("3","5","1","7","1","5","6","1") = "6"
    & skf21("3","5","1","7","1","5","7","1") = "6"
    & skf21("3","5","1","7","1","6","1","1") = "6"
    & skf21("3","5","1","7","1","6","2","1") = "6"
    & skf21("3","5","1","7","1","6","3","1") = "6"
    & skf21("3","5","1","7","1","6","4","1") = "6"
    & skf21("3","5","1","7","1","6","5","1") = "6"
    & skf21("3","5","1","7","1","6","6","1") = "6"
    & skf21("3","5","1","7","1","6","7","1") = "6"
    & skf21("3","5","1","7","1","7","1","1") = "6"
    & skf21("3","5","1","7","1","7","2","1") = "6"
    & skf21("3","5","1","7","1","7","3","1") = "6"
    & skf21("3","5","1","7","1","7","4","1") = "6"
    & skf21("3","5","1","7","1","7","5","1") = "6"
    & skf21("3","5","1","7","1","7","6","1") = "6"
    & skf21("3","5","1","7","1","7","7","1") = "6"
    & skf21("3","5","1","7","2","1","1","1") = "6"
    & skf21("3","5","1","7","2","1","2","1") = "6"
    & skf21("3","5","1","7","2","1","3","1") = "6"
    & skf21("3","5","1","7","2","1","4","1") = "6"
    & skf21("3","5","1","7","2","1","5","1") = "6"
    & skf21("3","5","1","7","2","1","6","1") = "6"
    & skf21("3","5","1","7","2","1","7","1") = "6"
    & skf21("3","5","1","7","2","2","1","1") = "6"
    & skf21("3","5","1","7","2","2","2","1") = "6"
    & skf21("3","5","1","7","2","2","3","1") = "6"
    & skf21("3","5","1","7","2","2","4","1") = "6"
    & skf21("3","5","1","7","2","2","5","1") = "6"
    & skf21("3","5","1","7","2","2","6","1") = "6"
    & skf21("3","5","1","7","2","2","7","1") = "6"
    & skf21("3","5","1","7","2","3","1","1") = "6"
    & skf21("3","5","1","7","2","3","2","1") = "6"
    & skf21("3","5","1","7","2","3","3","1") = "6"
    & skf21("3","5","1","7","2","3","4","1") = "6"
    & skf21("3","5","1","7","2","3","5","1") = "6"
    & skf21("3","5","1","7","2","3","6","1") = "6"
    & skf21("3","5","1","7","2","3","7","1") = "6"
    & skf21("3","5","1","7","2","4","1","1") = "6"
    & skf21("3","5","1","7","2","4","2","1") = "6"
    & skf21("3","5","1","7","2","4","3","1") = "6"
    & skf21("3","5","1","7","2","4","4","1") = "6"
    & skf21("3","5","1","7","2","4","5","1") = "6"
    & skf21("3","5","1","7","2","4","6","1") = "6"
    & skf21("3","5","1","7","2","4","7","1") = "6"
    & skf21("3","5","1","7","2","5","1","1") = "6"
    & skf21("3","5","1","7","2","5","2","1") = "6"
    & skf21("3","5","1","7","2","5","3","1") = "6"
    & skf21("3","5","1","7","2","5","4","1") = "6"
    & skf21("3","5","1","7","2","5","5","1") = "6"
    & skf21("3","5","1","7","2","5","6","1") = "6"
    & skf21("3","5","1","7","2","5","7","1") = "6"
    & skf21("3","5","1","7","2","6","1","1") = "6"
    & skf21("3","5","1","7","2","6","2","1") = "6"
    & skf21("3","5","1","7","2","6","3","1") = "6"
    & skf21("3","5","1","7","2","6","4","1") = "6"
    & skf21("3","5","1","7","2","6","5","1") = "6"
    & skf21("3","5","1","7","2","6","6","1") = "6"
    & skf21("3","5","1","7","2","6","7","1") = "6"
    & skf21("3","5","1","7","2","7","1","1") = "6"
    & skf21("3","5","1","7","2","7","2","1") = "6"
    & skf21("3","5","1","7","2","7","3","1") = "6"
    & skf21("3","5","1","7","2","7","4","1") = "6"
    & skf21("3","5","1","7","2","7","5","1") = "6"
    & skf21("3","5","1","7","2","7","6","1") = "6"
    & skf21("3","5","1","7","2","7","7","1") = "6"
    & skf21("3","5","1","7","3","1","1","1") = "6"
    & skf21("3","5","1","7","3","1","2","1") = "6"
    & skf21("3","5","1","7","3","1","3","1") = "6"
    & skf21("3","5","1","7","3","1","4","1") = "6"
    & skf21("3","5","1","7","3","1","5","1") = "6"
    & skf21("3","5","1","7","3","1","6","1") = "6"
    & skf21("3","5","1","7","3","1","7","1") = "6"
    & skf21("3","5","1","7","3","2","1","1") = "6"
    & skf21("3","5","1","7","3","2","2","1") = "6"
    & skf21("3","5","1","7","3","2","3","1") = "6"
    & skf21("3","5","1","7","3","2","4","1") = "6"
    & skf21("3","5","1","7","3","2","5","1") = "6"
    & skf21("3","5","1","7","3","2","6","1") = "6"
    & skf21("3","5","1","7","3","2","7","1") = "6"
    & skf21("3","5","1","7","3","3","1","1") = "6"
    & skf21("3","5","1","7","3","3","2","1") = "6"
    & skf21("3","5","1","7","3","3","3","1") = "6"
    & skf21("3","5","1","7","3","3","4","1") = "6"
    & skf21("3","5","1","7","3","3","5","1") = "6"
    & skf21("3","5","1","7","3","3","6","1") = "6"
    & skf21("3","5","1","7","3","3","7","1") = "6"
    & skf21("3","5","1","7","3","4","1","1") = "6"
    & skf21("3","5","1","7","3","4","2","1") = "6"
    & skf21("3","5","1","7","3","4","3","1") = "6"
    & skf21("3","5","1","7","3","4","4","1") = "6"
    & skf21("3","5","1","7","3","4","5","1") = "6"
    & skf21("3","5","1","7","3","4","6","1") = "6"
    & skf21("3","5","1","7","3","4","7","1") = "6"
    & skf21("3","5","1","7","3","5","1","1") = "6"
    & skf21("3","5","1","7","3","5","2","1") = "6"
    & skf21("3","5","1","7","3","5","3","1") = "6"
    & skf21("3","5","1","7","3","5","4","1") = "6"
    & skf21("3","5","1","7","3","5","5","1") = "6"
    & skf21("3","5","1","7","3","5","6","1") = "6"
    & skf21("3","5","1","7","3","5","7","1") = "6"
    & skf21("3","5","1","7","3","6","1","1") = "6"
    & skf21("3","5","1","7","3","6","2","1") = "6"
    & skf21("3","5","1","7","3","6","3","1") = "6"
    & skf21("3","5","1","7","3","6","4","1") = "6"
    & skf21("3","5","1","7","3","6","5","1") = "6"
    & skf21("3","5","1","7","3","6","6","1") = "6"
    & skf21("3","5","1","7","3","6","7","1") = "6"
    & skf21("3","5","1","7","3","7","1","1") = "6"
    & skf21("3","5","1","7","3","7","2","1") = "6"
    & skf21("3","5","1","7","3","7","3","1") = "6"
    & skf21("3","5","1","7","3","7","4","1") = "6"
    & skf21("3","5","1","7","3","7","5","1") = "6"
    & skf21("3","5","1","7","3","7","6","1") = "6"
    & skf21("3","5","1","7","3","7","7","1") = "6"
    & skf21("3","5","1","7","4","1","1","1") = "6"
    & skf21("3","5","1","7","4","1","2","1") = "6"
    & skf21("3","5","1","7","4","1","3","1") = "6"
    & skf21("3","5","1","7","4","1","4","1") = "6"
    & skf21("3","5","1","7","4","1","5","1") = "6"
    & skf21("3","5","1","7","4","1","6","1") = "6"
    & skf21("3","5","1","7","4","1","7","1") = "6"
    & skf21("3","5","1","7","4","2","1","1") = "6"
    & skf21("3","5","1","7","4","2","2","1") = "6"
    & skf21("3","5","1","7","4","2","3","1") = "6"
    & skf21("3","5","1","7","4","2","4","1") = "6"
    & skf21("3","5","1","7","4","2","5","1") = "6"
    & skf21("3","5","1","7","4","2","6","1") = "6"
    & skf21("3","5","1","7","4","2","7","1") = "6"
    & skf21("3","5","1","7","4","3","1","1") = "6"
    & skf21("3","5","1","7","4","3","2","1") = "6"
    & skf21("3","5","1","7","4","3","3","1") = "6"
    & skf21("3","5","1","7","4","3","4","1") = "6"
    & skf21("3","5","1","7","4","3","5","1") = "6"
    & skf21("3","5","1","7","4","3","6","1") = "6"
    & skf21("3","5","1","7","4","3","7","1") = "6"
    & skf21("3","5","1","7","4","4","1","1") = "6"
    & skf21("3","5","1","7","4","4","2","1") = "6"
    & skf21("3","5","1","7","4","4","3","1") = "6"
    & skf21("3","5","1","7","4","4","4","1") = "6"
    & skf21("3","5","1","7","4","4","5","1") = "6"
    & skf21("3","5","1","7","4","4","6","1") = "6"
    & skf21("3","5","1","7","4","4","7","1") = "6"
    & skf21("3","5","1","7","4","5","1","1") = "6"
    & skf21("3","5","1","7","4","5","2","1") = "6"
    & skf21("3","5","1","7","4","5","3","1") = "6"
    & skf21("3","5","1","7","4","5","4","1") = "6"
    & skf21("3","5","1","7","4","5","5","1") = "6"
    & skf21("3","5","1","7","4","5","6","1") = "6"
    & skf21("3","5","1","7","4","5","7","1") = "6"
    & skf21("3","5","1","7","4","6","1","1") = "6"
    & skf21("3","5","1","7","4","6","2","1") = "6"
    & skf21("3","5","1","7","4","6","3","1") = "6"
    & skf21("3","5","1","7","4","6","4","1") = "6"
    & skf21("3","5","1","7","4","6","5","1") = "6"
    & skf21("3","5","1","7","4","6","6","1") = "6"
    & skf21("3","5","1","7","4","6","7","1") = "6"
    & skf21("3","5","1","7","4","7","1","1") = "6"
    & skf21("3","5","1","7","4","7","2","1") = "6"
    & skf21("3","5","1","7","4","7","3","1") = "6"
    & skf21("3","5","1","7","4","7","4","1") = "6"
    & skf21("3","5","1","7","4","7","5","1") = "6"
    & skf21("3","5","1","7","4","7","6","1") = "6"
    & skf21("3","5","1","7","4","7","7","1") = "6"
    & skf21("3","5","1","7","5","1","1","1") = "6"
    & skf21("3","5","1","7","5","1","2","1") = "6"
    & skf21("3","5","1","7","5","1","3","1") = "6"
    & skf21("3","5","1","7","5","1","4","1") = "6"
    & skf21("3","5","1","7","5","1","5","1") = "6"
    & skf21("3","5","1","7","5","1","6","1") = "6"
    & skf21("3","5","1","7","5","1","7","1") = "6"
    & skf21("3","5","1","7","5","2","1","1") = "6"
    & skf21("3","5","1","7","5","2","2","1") = "6"
    & skf21("3","5","1","7","5","2","3","1") = "6"
    & skf21("3","5","1","7","5","2","4","1") = "6"
    & skf21("3","5","1","7","5","2","5","1") = "6"
    & skf21("3","5","1","7","5","2","6","1") = "6"
    & skf21("3","5","1","7","5","2","7","1") = "6"
    & skf21("3","5","1","7","5","3","1","1") = "6"
    & skf21("3","5","1","7","5","3","2","1") = "6"
    & skf21("3","5","1","7","5","3","3","1") = "6"
    & skf21("3","5","1","7","5","3","4","1") = "6"
    & skf21("3","5","1","7","5","3","5","1") = "6"
    & skf21("3","5","1","7","5","3","6","1") = "6"
    & skf21("3","5","1","7","5","3","7","1") = "6"
    & skf21("3","5","1","7","5","4","1","1") = "6"
    & skf21("3","5","1","7","5","4","2","1") = "6"
    & skf21("3","5","1","7","5","4","3","1") = "6"
    & skf21("3","5","1","7","5","4","4","1") = "6"
    & skf21("3","5","1","7","5","4","5","1") = "6"
    & skf21("3","5","1","7","5","4","6","1") = "6"
    & skf21("3","5","1","7","5","4","7","1") = "6"
    & skf21("3","5","1","7","5","5","1","1") = "6"
    & skf21("3","5","1","7","5","5","2","1") = "6"
    & skf21("3","5","1","7","5","5","3","1") = "6"
    & skf21("3","5","1","7","5","5","4","1") = "6"
    & skf21("3","5","1","7","5","5","5","1") = "6"
    & skf21("3","5","1","7","5","5","6","1") = "6"
    & skf21("3","5","1","7","5","5","7","1") = "6"
    & skf21("3","5","1","7","5","6","1","1") = "6"
    & skf21("3","5","1","7","5","6","2","1") = "6"
    & skf21("3","5","1","7","5","6","3","1") = "6"
    & skf21("3","5","1","7","5","6","4","1") = "6"
    & skf21("3","5","1","7","5","6","5","1") = "6"
    & skf21("3","5","1","7","5","6","6","1") = "6"
    & skf21("3","5","1","7","5","6","7","1") = "6"
    & skf21("3","5","1","7","5","7","1","1") = "6"
    & skf21("3","5","1","7","5","7","2","1") = "6"
    & skf21("3","5","1","7","5","7","3","1") = "6"
    & skf21("3","5","1","7","5","7","4","1") = "6"
    & skf21("3","5","1","7","5","7","5","1") = "6"
    & skf21("3","5","1","7","5","7","6","1") = "6"
    & skf21("3","5","1","7","5","7","7","1") = "6"
    & skf21("3","5","1","7","6","1","1","1") = "6"
    & skf21("3","5","1","7","6","1","2","1") = "6"
    & skf21("3","5","1","7","6","1","3","1") = "6"
    & skf21("3","5","1","7","6","1","4","1") = "6"
    & skf21("3","5","1","7","6","1","5","1") = "6"
    & skf21("3","5","1","7","6","1","6","1") = "6"
    & skf21("3","5","1","7","6","1","7","1") = "6"
    & skf21("3","5","1","7","6","2","1","1") = "6"
    & skf21("3","5","1","7","6","2","2","1") = "6"
    & skf21("3","5","1","7","6","2","3","1") = "6"
    & skf21("3","5","1","7","6","2","4","1") = "6"
    & skf21("3","5","1","7","6","2","5","1") = "6"
    & skf21("3","5","1","7","6","2","6","1") = "6"
    & skf21("3","5","1","7","6","2","7","1") = "6"
    & skf21("3","5","1","7","6","3","1","1") = "6"
    & skf21("3","5","1","7","6","3","2","1") = "6"
    & skf21("3","5","1","7","6","3","3","1") = "6"
    & skf21("3","5","1","7","6","3","4","1") = "6"
    & skf21("3","5","1","7","6","3","5","1") = "6"
    & skf21("3","5","1","7","6","3","6","1") = "6"
    & skf21("3","5","1","7","6","3","7","1") = "6"
    & skf21("3","5","1","7","6","4","1","1") = "6"
    & skf21("3","5","1","7","6","4","2","1") = "6"
    & skf21("3","5","1","7","6","4","3","1") = "6"
    & skf21("3","5","1","7","6","4","4","1") = "6"
    & skf21("3","5","1","7","6","4","5","1") = "6"
    & skf21("3","5","1","7","6","4","6","1") = "6"
    & skf21("3","5","1","7","6","4","7","1") = "6"
    & skf21("3","5","1","7","6","5","1","1") = "6"
    & skf21("3","5","1","7","6","5","2","1") = "6"
    & skf21("3","5","1","7","6","5","3","1") = "6"
    & skf21("3","5","1","7","6","5","4","1") = "6"
    & skf21("3","5","1","7","6","5","5","1") = "6"
    & skf21("3","5","1","7","6","5","6","1") = "6"
    & skf21("3","5","1","7","6","5","7","1") = "6"
    & skf21("3","5","1","7","6","6","1","1") = "6"
    & skf21("3","5","1","7","6","6","2","1") = "6"
    & skf21("3","5","1","7","6","6","3","1") = "6"
    & skf21("3","5","1","7","6","6","4","1") = "6"
    & skf21("3","5","1","7","6","6","5","1") = "6"
    & skf21("3","5","1","7","6","6","6","1") = "6"
    & skf21("3","5","1","7","6","6","7","1") = "6"
    & skf21("3","5","1","7","6","7","1","1") = "6"
    & skf21("3","5","1","7","6","7","2","1") = "6"
    & skf21("3","5","1","7","6","7","3","1") = "6"
    & skf21("3","5","1","7","6","7","4","1") = "6"
    & skf21("3","5","1","7","6","7","5","1") = "6"
    & skf21("3","5","1","7","6","7","6","1") = "6"
    & skf21("3","5","1","7","6","7","7","1") = "6"
    & skf21("3","5","1","7","7","1","1","1") = "6"
    & skf21("3","5","1","7","7","1","2","1") = "6"
    & skf21("3","5","1","7","7","1","3","1") = "6"
    & skf21("3","5","1","7","7","1","4","1") = "6"
    & skf21("3","5","1","7","7","1","5","1") = "6"
    & skf21("3","5","1","7","7","1","6","1") = "6"
    & skf21("3","5","1","7","7","1","7","1") = "6"
    & skf21("3","5","1","7","7","2","1","1") = "6"
    & skf21("3","5","1","7","7","2","2","1") = "6"
    & skf21("3","5","1","7","7","2","3","1") = "6"
    & skf21("3","5","1","7","7","2","4","1") = "6"
    & skf21("3","5","1","7","7","2","5","1") = "6"
    & skf21("3","5","1","7","7","2","6","1") = "6"
    & skf21("3","5","1","7","7","2","7","1") = "6"
    & skf21("3","5","1","7","7","3","1","1") = "6"
    & skf21("3","5","1","7","7","3","2","1") = "6"
    & skf21("3","5","1","7","7","3","3","1") = "6"
    & skf21("3","5","1","7","7","3","4","1") = "6"
    & skf21("3","5","1","7","7","3","5","1") = "6"
    & skf21("3","5","1","7","7","3","6","1") = "6"
    & skf21("3","5","1","7","7","3","7","1") = "6"
    & skf21("3","5","1","7","7","4","1","1") = "6"
    & skf21("3","5","1","7","7","4","2","1") = "6"
    & skf21("3","5","1","7","7","4","3","1") = "6"
    & skf21("3","5","1","7","7","4","4","1") = "6"
    & skf21("3","5","1","7","7","4","5","1") = "6"
    & skf21("3","5","1","7","7","4","6","1") = "6"
    & skf21("3","5","1","7","7","4","7","1") = "6"
    & skf21("3","5","1","7","7","5","1","1") = "6"
    & skf21("3","5","1","7","7","5","2","1") = "6"
    & skf21("3","5","1","7","7","5","3","1") = "6"
    & skf21("3","5","1","7","7","5","4","1") = "6"
    & skf21("3","5","1","7","7","5","5","1") = "6"
    & skf21("3","5","1","7","7","5","6","1") = "6"
    & skf21("3","5","1","7","7","5","7","1") = "6"
    & skf21("3","5","1","7","7","6","1","1") = "6"
    & skf21("3","5","1","7","7","6","2","1") = "6"
    & skf21("3","5","1","7","7","6","3","1") = "6"
    & skf21("3","5","1","7","7","6","4","1") = "6"
    & skf21("3","5","1","7","7","6","5","1") = "6"
    & skf21("3","5","1","7","7","6","6","1") = "6"
    & skf21("3","5","1","7","7","6","7","1") = "6"
    & skf21("3","5","1","7","7","7","1","1") = "6"
    & skf21("3","5","1","7","7","7","2","1") = "6"
    & skf21("3","5","1","7","7","7","3","1") = "6"
    & skf21("3","5","1","7","7","7","4","1") = "6"
    & skf21("3","5","1","7","7","7","5","1") = "6"
    & skf21("3","5","1","7","7","7","6","1") = "6"
    & skf21("3","5","1","7","7","7","7","1") = "6"
    & skf21("3","5","2","1","1","1","1","1") = "4"
    & skf21("3","5","2","1","1","1","2","1") = "4"
    & skf21("3","5","2","1","1","1","3","1") = "4"
    & skf21("3","5","2","1","1","1","4","1") = "4"
    & skf21("3","5","2","1","1","1","5","1") = "4"
    & skf21("3","5","2","1","1","1","6","1") = "5"
    & skf21("3","5","2","1","1","1","7","1") = "6"
    & skf21("3","5","2","1","1","2","1","1") = "4"
    & skf21("3","5","2","1","1","2","2","1") = "4"
    & skf21("3","5","2","1","1","2","3","1") = "4"
    & skf21("3","5","2","1","1","2","4","1") = "4"
    & skf21("3","5","2","1","1","2","5","1") = "4"
    & skf21("3","5","2","1","1","2","6","1") = "5"
    & skf21("3","5","2","1","1","2","7","1") = "6"
    & skf21("3","5","2","1","1","3","1","1") = "4"
    & skf21("3","5","2","1","1","3","2","1") = "4"
    & skf21("3","5","2","1","1","3","3","1") = "4"
    & skf21("3","5","2","1","1","3","4","1") = "4"
    & skf21("3","5","2","1","1","3","5","1") = "4"
    & skf21("3","5","2","1","1","3","6","1") = "5"
    & skf21("3","5","2","1","1","3","7","1") = "6"
    & skf21("3","5","2","1","1","4","1","1") = "4"
    & skf21("3","5","2","1","1","4","2","1") = "4"
    & skf21("3","5","2","1","1","4","3","1") = "4"
    & skf21("3","5","2","1","1","4","4","1") = "4"
    & skf21("3","5","2","1","1","4","5","1") = "4"
    & skf21("3","5","2","1","1","4","6","1") = "5"
    & skf21("3","5","2","1","1","4","7","1") = "6"
    & skf21("3","5","2","1","1","5","1","1") = "4"
    & skf21("3","5","2","1","1","5","2","1") = "4"
    & skf21("3","5","2","1","1","5","3","1") = "4"
    & skf21("3","5","2","1","1","5","4","1") = "4"
    & skf21("3","5","2","1","1","5","5","1") = "4"
    & skf21("3","5","2","1","1","5","6","1") = "5"
    & skf21("3","5","2","1","1","5","7","1") = "6"
    & skf21("3","5","2","1","1","6","1","1") = "5"
    & skf21("3","5","2","1","1","6","2","1") = "5"
    & skf21("3","5","2","1","1","6","3","1") = "5"
    & skf21("3","5","2","1","1","6","4","1") = "5"
    & skf21("3","5","2","1","1","6","5","1") = "5"
    & skf21("3","5","2","1","1","6","6","1") = "5"
    & skf21("3","5","2","1","1","6","7","1") = "6"
    & skf21("3","5","2","1","1","7","1","1") = "6"
    & skf21("3","5","2","1","1","7","2","1") = "6"
    & skf21("3","5","2","1","1","7","3","1") = "6"
    & skf21("3","5","2","1","1","7","4","1") = "6"
    & skf21("3","5","2","1","1","7","5","1") = "6"
    & skf21("3","5","2","1","1","7","6","1") = "6"
    & skf21("3","5","2","1","1","7","7","1") = "6"
    & skf21("3","5","2","1","2","1","1","1") = "4"
    & skf21("3","5","2","1","2","1","2","1") = "4"
    & skf21("3","5","2","1","2","1","3","1") = "4"
    & skf21("3","5","2","1","2","1","4","1") = "4"
    & skf21("3","5","2","1","2","1","5","1") = "4"
    & skf21("3","5","2","1","2","1","6","1") = "5"
    & skf21("3","5","2","1","2","1","7","1") = "6"
    & skf21("3","5","2","1","2","2","1","1") = "4"
    & skf21("3","5","2","1","2","2","2","1") = "4"
    & skf21("3","5","2","1","2","2","3","1") = "4"
    & skf21("3","5","2","1","2","2","4","1") = "4"
    & skf21("3","5","2","1","2","2","5","1") = "4"
    & skf21("3","5","2","1","2","2","6","1") = "5"
    & skf21("3","5","2","1","2","2","7","1") = "6"
    & skf21("3","5","2","1","2","3","1","1") = "4"
    & skf21("3","5","2","1","2","3","2","1") = "4"
    & skf21("3","5","2","1","2","3","3","1") = "4"
    & skf21("3","5","2","1","2","3","4","1") = "4"
    & skf21("3","5","2","1","2","3","5","1") = "4"
    & skf21("3","5","2","1","2","3","6","1") = "5"
    & skf21("3","5","2","1","2","3","7","1") = "6"
    & skf21("3","5","2","1","2","4","1","1") = "4"
    & skf21("3","5","2","1","2","4","2","1") = "4"
    & skf21("3","5","2","1","2","4","3","1") = "4"
    & skf21("3","5","2","1","2","4","4","1") = "4"
    & skf21("3","5","2","1","2","4","5","1") = "4"
    & skf21("3","5","2","1","2","4","6","1") = "5"
    & skf21("3","5","2","1","2","4","7","1") = "6"
    & skf21("3","5","2","1","2","5","1","1") = "4"
    & skf21("3","5","2","1","2","5","2","1") = "4"
    & skf21("3","5","2","1","2","5","3","1") = "4"
    & skf21("3","5","2","1","2","5","4","1") = "4"
    & skf21("3","5","2","1","2","5","5","1") = "4"
    & skf21("3","5","2","1","2","5","6","1") = "5"
    & skf21("3","5","2","1","2","5","7","1") = "6"
    & skf21("3","5","2","1","2","6","1","1") = "5"
    & skf21("3","5","2","1","2","6","2","1") = "5"
    & skf21("3","5","2","1","2","6","3","1") = "5"
    & skf21("3","5","2","1","2","6","4","1") = "5"
    & skf21("3","5","2","1","2","6","5","1") = "5"
    & skf21("3","5","2","1","2","6","6","1") = "5"
    & skf21("3","5","2","1","2","6","7","1") = "6"
    & skf21("3","5","2","1","2","7","1","1") = "6"
    & skf21("3","5","2","1","2","7","2","1") = "6"
    & skf21("3","5","2","1","2","7","3","1") = "6"
    & skf21("3","5","2","1","2","7","4","1") = "6"
    & skf21("3","5","2","1","2","7","5","1") = "6"
    & skf21("3","5","2","1","2","7","6","1") = "6"
    & skf21("3","5","2","1","2","7","7","1") = "6"
    & skf21("3","5","2","1","3","1","1","1") = "4"
    & skf21("3","5","2","1","3","1","2","1") = "4"
    & skf21("3","5","2","1","3","1","3","1") = "4"
    & skf21("3","5","2","1","3","1","4","1") = "4"
    & skf21("3","5","2","1","3","1","5","1") = "4"
    & skf21("3","5","2","1","3","1","6","1") = "5"
    & skf21("3","5","2","1","3","1","7","1") = "6"
    & skf21("3","5","2","1","3","2","1","1") = "4"
    & skf21("3","5","2","1","3","2","2","1") = "4"
    & skf21("3","5","2","1","3","2","3","1") = "4"
    & skf21("3","5","2","1","3","2","4","1") = "4"
    & skf21("3","5","2","1","3","2","5","1") = "4"
    & skf21("3","5","2","1","3","2","6","1") = "5"
    & skf21("3","5","2","1","3","2","7","1") = "6"
    & skf21("3","5","2","1","3","3","1","1") = "4"
    & skf21("3","5","2","1","3","3","2","1") = "4"
    & skf21("3","5","2","1","3","3","3","1") = "4"
    & skf21("3","5","2","1","3","3","4","1") = "4"
    & skf21("3","5","2","1","3","3","5","1") = "4"
    & skf21("3","5","2","1","3","3","6","1") = "5"
    & skf21("3","5","2","1","3","3","7","1") = "6"
    & skf21("3","5","2","1","3","4","1","1") = "4"
    & skf21("3","5","2","1","3","4","2","1") = "4"
    & skf21("3","5","2","1","3","4","3","1") = "4"
    & skf21("3","5","2","1","3","4","4","1") = "4"
    & skf21("3","5","2","1","3","4","5","1") = "4"
    & skf21("3","5","2","1","3","4","6","1") = "5"
    & skf21("3","5","2","1","3","4","7","1") = "6"
    & skf21("3","5","2","1","3","5","1","1") = "4"
    & skf21("3","5","2","1","3","5","2","1") = "4"
    & skf21("3","5","2","1","3","5","3","1") = "4"
    & skf21("3","5","2","1","3","5","4","1") = "4"
    & skf21("3","5","2","1","3","5","5","1") = "4"
    & skf21("3","5","2","1","3","5","6","1") = "5"
    & skf21("3","5","2","1","3","5","7","1") = "6"
    & skf21("3","5","2","1","3","6","1","1") = "5"
    & skf21("3","5","2","1","3","6","2","1") = "5"
    & skf21("3","5","2","1","3","6","3","1") = "5"
    & skf21("3","5","2","1","3","6","4","1") = "5"
    & skf21("3","5","2","1","3","6","5","1") = "5"
    & skf21("3","5","2","1","3","6","6","1") = "5"
    & skf21("3","5","2","1","3","6","7","1") = "6"
    & skf21("3","5","2","1","3","7","1","1") = "6"
    & skf21("3","5","2","1","3","7","2","1") = "6"
    & skf21("3","5","2","1","3","7","3","1") = "6"
    & skf21("3","5","2","1","3","7","4","1") = "6"
    & skf21("3","5","2","1","3","7","5","1") = "6"
    & skf21("3","5","2","1","3","7","6","1") = "6"
    & skf21("3","5","2","1","3","7","7","1") = "6"
    & skf21("3","5","2","1","4","1","1","1") = "4"
    & skf21("3","5","2","1","4","1","2","1") = "4"
    & skf21("3","5","2","1","4","1","3","1") = "4"
    & skf21("3","5","2","1","4","1","4","1") = "4"
    & skf21("3","5","2","1","4","1","5","1") = "4"
    & skf21("3","5","2","1","4","1","6","1") = "5"
    & skf21("3","5","2","1","4","1","7","1") = "6"
    & skf21("3","5","2","1","4","2","1","1") = "4"
    & skf21("3","5","2","1","4","2","2","1") = "4"
    & skf21("3","5","2","1","4","2","3","1") = "4"
    & skf21("3","5","2","1","4","2","4","1") = "4"
    & skf21("3","5","2","1","4","2","5","1") = "4"
    & skf21("3","5","2","1","4","2","6","1") = "5"
    & skf21("3","5","2","1","4","2","7","1") = "6"
    & skf21("3","5","2","1","4","3","1","1") = "4"
    & skf21("3","5","2","1","4","3","2","1") = "4"
    & skf21("3","5","2","1","4","3","3","1") = "4"
    & skf21("3","5","2","1","4","3","4","1") = "4"
    & skf21("3","5","2","1","4","3","5","1") = "4"
    & skf21("3","5","2","1","4","3","6","1") = "5"
    & skf21("3","5","2","1","4","3","7","1") = "6"
    & skf21("3","5","2","1","4","4","1","1") = "4"
    & skf21("3","5","2","1","4","4","2","1") = "4"
    & skf21("3","5","2","1","4","4","3","1") = "4"
    & skf21("3","5","2","1","4","4","4","1") = "4"
    & skf21("3","5","2","1","4","4","5","1") = "4"
    & skf21("3","5","2","1","4","4","6","1") = "5"
    & skf21("3","5","2","1","4","4","7","1") = "6"
    & skf21("3","5","2","1","4","5","1","1") = "4"
    & skf21("3","5","2","1","4","5","2","1") = "4"
    & skf21("3","5","2","1","4","5","3","1") = "4"
    & skf21("3","5","2","1","4","5","4","1") = "4"
    & skf21("3","5","2","1","4","5","5","1") = "4"
    & skf21("3","5","2","1","4","5","6","1") = "5"
    & skf21("3","5","2","1","4","5","7","1") = "6"
    & skf21("3","5","2","1","4","6","1","1") = "5"
    & skf21("3","5","2","1","4","6","2","1") = "5"
    & skf21("3","5","2","1","4","6","3","1") = "5"
    & skf21("3","5","2","1","4","6","4","1") = "5"
    & skf21("3","5","2","1","4","6","5","1") = "5"
    & skf21("3","5","2","1","4","6","6","1") = "5"
    & skf21("3","5","2","1","4","6","7","1") = "6"
    & skf21("3","5","2","1","4","7","1","1") = "6"
    & skf21("3","5","2","1","4","7","2","1") = "6"
    & skf21("3","5","2","1","4","7","3","1") = "6"
    & skf21("3","5","2","1","4","7","4","1") = "6"
    & skf21("3","5","2","1","4","7","5","1") = "6"
    & skf21("3","5","2","1","4","7","6","1") = "6"
    & skf21("3","5","2","1","4","7","7","1") = "6"
    & skf21("3","5","2","1","5","1","1","1") = "4"
    & skf21("3","5","2","1","5","1","2","1") = "4"
    & skf21("3","5","2","1","5","1","3","1") = "4"
    & skf21("3","5","2","1","5","1","4","1") = "4"
    & skf21("3","5","2","1","5","1","5","1") = "4"
    & skf21("3","5","2","1","5","1","6","1") = "5"
    & skf21("3","5","2","1","5","1","7","1") = "6"
    & skf21("3","5","2","1","5","2","1","1") = "4"
    & skf21("3","5","2","1","5","2","2","1") = "4"
    & skf21("3","5","2","1","5","2","3","1") = "4"
    & skf21("3","5","2","1","5","2","4","1") = "4"
    & skf21("3","5","2","1","5","2","5","1") = "4"
    & skf21("3","5","2","1","5","2","6","1") = "5"
    & skf21("3","5","2","1","5","2","7","1") = "6"
    & skf21("3","5","2","1","5","3","1","1") = "4"
    & skf21("3","5","2","1","5","3","2","1") = "4"
    & skf21("3","5","2","1","5","3","3","1") = "4"
    & skf21("3","5","2","1","5","3","4","1") = "4"
    & skf21("3","5","2","1","5","3","5","1") = "4"
    & skf21("3","5","2","1","5","3","6","1") = "5"
    & skf21("3","5","2","1","5","3","7","1") = "6"
    & skf21("3","5","2","1","5","4","1","1") = "4"
    & skf21("3","5","2","1","5","4","2","1") = "4"
    & skf21("3","5","2","1","5","4","3","1") = "4"
    & skf21("3","5","2","1","5","4","4","1") = "4"
    & skf21("3","5","2","1","5","4","5","1") = "4"
    & skf21("3","5","2","1","5","4","6","1") = "5"
    & skf21("3","5","2","1","5","4","7","1") = "6"
    & skf21("3","5","2","1","5","5","1","1") = "4"
    & skf21("3","5","2","1","5","5","2","1") = "4"
    & skf21("3","5","2","1","5","5","3","1") = "4"
    & skf21("3","5","2","1","5","5","4","1") = "4"
    & skf21("3","5","2","1","5","5","5","1") = "4"
    & skf21("3","5","2","1","5","5","6","1") = "5"
    & skf21("3","5","2","1","5","5","7","1") = "6"
    & skf21("3","5","2","1","5","6","1","1") = "5"
    & skf21("3","5","2","1","5","6","2","1") = "5"
    & skf21("3","5","2","1","5","6","3","1") = "5"
    & skf21("3","5","2","1","5","6","4","1") = "5"
    & skf21("3","5","2","1","5","6","5","1") = "5"
    & skf21("3","5","2","1","5","6","6","1") = "5"
    & skf21("3","5","2","1","5","6","7","1") = "6"
    & skf21("3","5","2","1","5","7","1","1") = "6"
    & skf21("3","5","2","1","5","7","2","1") = "6"
    & skf21("3","5","2","1","5","7","3","1") = "6"
    & skf21("3","5","2","1","5","7","4","1") = "6"
    & skf21("3","5","2","1","5","7","5","1") = "6"
    & skf21("3","5","2","1","5","7","6","1") = "6"
    & skf21("3","5","2","1","5","7","7","1") = "6"
    & skf21("3","5","2","1","6","1","1","1") = "5"
    & skf21("3","5","2","1","6","1","2","1") = "5"
    & skf21("3","5","2","1","6","1","3","1") = "5"
    & skf21("3","5","2","1","6","1","4","1") = "5"
    & skf21("3","5","2","1","6","1","5","1") = "5"
    & skf21("3","5","2","1","6","1","6","1") = "5"
    & skf21("3","5","2","1","6","1","7","1") = "6"
    & skf21("3","5","2","1","6","2","1","1") = "5"
    & skf21("3","5","2","1","6","2","2","1") = "5"
    & skf21("3","5","2","1","6","2","3","1") = "5"
    & skf21("3","5","2","1","6","2","4","1") = "5"
    & skf21("3","5","2","1","6","2","5","1") = "5"
    & skf21("3","5","2","1","6","2","6","1") = "5"
    & skf21("3","5","2","1","6","2","7","1") = "6"
    & skf21("3","5","2","1","6","3","1","1") = "5"
    & skf21("3","5","2","1","6","3","2","1") = "5"
    & skf21("3","5","2","1","6","3","3","1") = "5"
    & skf21("3","5","2","1","6","3","4","1") = "5"
    & skf21("3","5","2","1","6","3","5","1") = "5"
    & skf21("3","5","2","1","6","3","6","1") = "5"
    & skf21("3","5","2","1","6","3","7","1") = "6"
    & skf21("3","5","2","1","6","4","1","1") = "5"
    & skf21("3","5","2","1","6","4","2","1") = "5"
    & skf21("3","5","2","1","6","4","3","1") = "5"
    & skf21("3","5","2","1","6","4","4","1") = "5"
    & skf21("3","5","2","1","6","4","5","1") = "5"
    & skf21("3","5","2","1","6","4","6","1") = "5"
    & skf21("3","5","2","1","6","4","7","1") = "6"
    & skf21("3","5","2","1","6","5","1","1") = "5"
    & skf21("3","5","2","1","6","5","2","1") = "5"
    & skf21("3","5","2","1","6","5","3","1") = "5"
    & skf21("3","5","2","1","6","5","4","1") = "5"
    & skf21("3","5","2","1","6","5","5","1") = "5"
    & skf21("3","5","2","1","6","5","6","1") = "5"
    & skf21("3","5","2","1","6","5","7","1") = "6"
    & skf21("3","5","2","1","6","6","1","1") = "5"
    & skf21("3","5","2","1","6","6","2","1") = "5"
    & skf21("3","5","2","1","6","6","3","1") = "5"
    & skf21("3","5","2","1","6","6","4","1") = "5"
    & skf21("3","5","2","1","6","6","5","1") = "5"
    & skf21("3","5","2","1","6","6","6","1") = "5"
    & skf21("3","5","2","1","6","6","7","1") = "6"
    & skf21("3","5","2","1","6","7","1","1") = "6"
    & skf21("3","5","2","1","6","7","2","1") = "6"
    & skf21("3","5","2","1","6","7","3","1") = "6"
    & skf21("3","5","2","1","6","7","4","1") = "6"
    & skf21("3","5","2","1","6","7","5","1") = "6"
    & skf21("3","5","2","1","6","7","6","1") = "6"
    & skf21("3","5","2","1","6","7","7","1") = "6"
    & skf21("3","5","2","1","7","1","1","1") = "6"
    & skf21("3","5","2","1","7","1","2","1") = "6"
    & skf21("3","5","2","1","7","1","3","1") = "6"
    & skf21("3","5","2","1","7","1","4","1") = "6"
    & skf21("3","5","2","1","7","1","5","1") = "6"
    & skf21("3","5","2","1","7","1","6","1") = "6"
    & skf21("3","5","2","1","7","1","7","1") = "6"
    & skf21("3","5","2","1","7","2","1","1") = "6"
    & skf21("3","5","2","1","7","2","2","1") = "6"
    & skf21("3","5","2","1","7","2","3","1") = "6"
    & skf21("3","5","2","1","7","2","4","1") = "6"
    & skf21("3","5","2","1","7","2","5","1") = "6"
    & skf21("3","5","2","1","7","2","6","1") = "6"
    & skf21("3","5","2","1","7","2","7","1") = "6"
    & skf21("3","5","2","1","7","3","1","1") = "6"
    & skf21("3","5","2","1","7","3","2","1") = "6"
    & skf21("3","5","2","1","7","3","3","1") = "6"
    & skf21("3","5","2","1","7","3","4","1") = "6"
    & skf21("3","5","2","1","7","3","5","1") = "6"
    & skf21("3","5","2","1","7","3","6","1") = "6"
    & skf21("3","5","2","1","7","3","7","1") = "6"
    & skf21("3","5","2","1","7","4","1","1") = "6"
    & skf21("3","5","2","1","7","4","2","1") = "6"
    & skf21("3","5","2","1","7","4","3","1") = "6"
    & skf21("3","5","2","1","7","4","4","1") = "6"
    & skf21("3","5","2","1","7","4","5","1") = "6"
    & skf21("3","5","2","1","7","4","6","1") = "6"
    & skf21("3","5","2","1","7","4","7","1") = "6"
    & skf21("3","5","2","1","7","5","1","1") = "6"
    & skf21("3","5","2","1","7","5","2","1") = "6"
    & skf21("3","5","2","1","7","5","3","1") = "6"
    & skf21("3","5","2","1","7","5","4","1") = "6"
    & skf21("3","5","2","1","7","5","5","1") = "6"
    & skf21("3","5","2","1","7","5","6","1") = "6"
    & skf21("3","5","2","1","7","5","7","1") = "6"
    & skf21("3","5","2","1","7","6","1","1") = "6"
    & skf21("3","5","2","1","7","6","2","1") = "6"
    & skf21("3","5","2","1","7","6","3","1") = "6"
    & skf21("3","5","2","1","7","6","4","1") = "6"
    & skf21("3","5","2","1","7","6","5","1") = "6"
    & skf21("3","5","2","1","7","6","6","1") = "6"
    & skf21("3","5","2","1","7","6","7","1") = "6"
    & skf21("3","5","2","1","7","7","1","1") = "6"
    & skf21("3","5","2","1","7","7","2","1") = "6"
    & skf21("3","5","2","1","7","7","3","1") = "6"
    & skf21("3","5","2","1","7","7","4","1") = "6"
    & skf21("3","5","2","1","7","7","5","1") = "6"
    & skf21("3","5","2","1","7","7","6","1") = "6"
    & skf21("3","5","2","1","7","7","7","1") = "6"
    & skf21("3","5","2","2","1","1","1","1") = "4"
    & skf21("3","5","2","2","1","1","2","1") = "4"
    & skf21("3","5","2","2","1","1","3","1") = "4"
    & skf21("3","5","2","2","1","1","4","1") = "4"
    & skf21("3","5","2","2","1","1","5","1") = "4"
    & skf21("3","5","2","2","1","1","6","1") = "5"
    & skf21("3","5","2","2","1","1","7","1") = "6"
    & skf21("3","5","2","2","1","2","1","1") = "4"
    & skf21("3","5","2","2","1","2","2","1") = "4"
    & skf21("3","5","2","2","1","2","3","1") = "4"
    & skf21("3","5","2","2","1","2","4","1") = "4"
    & skf21("3","5","2","2","1","2","5","1") = "4"
    & skf21("3","5","2","2","1","2","6","1") = "5"
    & skf21("3","5","2","2","1","2","7","1") = "6"
    & skf21("3","5","2","2","1","3","1","1") = "4"
    & skf21("3","5","2","2","1","3","2","1") = "4"
    & skf21("3","5","2","2","1","3","3","1") = "4"
    & skf21("3","5","2","2","1","3","4","1") = "4"
    & skf21("3","5","2","2","1","3","5","1") = "4"
    & skf21("3","5","2","2","1","3","6","1") = "5"
    & skf21("3","5","2","2","1","3","7","1") = "6"
    & skf21("3","5","2","2","1","4","1","1") = "4"
    & skf21("3","5","2","2","1","4","2","1") = "4"
    & skf21("3","5","2","2","1","4","3","1") = "4"
    & skf21("3","5","2","2","1","4","4","1") = "4"
    & skf21("3","5","2","2","1","4","5","1") = "4"
    & skf21("3","5","2","2","1","4","6","1") = "5"
    & skf21("3","5","2","2","1","4","7","1") = "6"
    & skf21("3","5","2","2","1","5","1","1") = "4"
    & skf21("3","5","2","2","1","5","2","1") = "4"
    & skf21("3","5","2","2","1","5","3","1") = "4"
    & skf21("3","5","2","2","1","5","4","1") = "4"
    & skf21("3","5","2","2","1","5","5","1") = "4"
    & skf21("3","5","2","2","1","5","6","1") = "5"
    & skf21("3","5","2","2","1","5","7","1") = "6"
    & skf21("3","5","2","2","1","6","1","1") = "5"
    & skf21("3","5","2","2","1","6","2","1") = "5"
    & skf21("3","5","2","2","1","6","3","1") = "5"
    & skf21("3","5","2","2","1","6","4","1") = "5"
    & skf21("3","5","2","2","1","6","5","1") = "5"
    & skf21("3","5","2","2","1","6","6","1") = "5"
    & skf21("3","5","2","2","1","6","7","1") = "6"
    & skf21("3","5","2","2","1","7","1","1") = "6"
    & skf21("3","5","2","2","1","7","2","1") = "6"
    & skf21("3","5","2","2","1","7","3","1") = "6"
    & skf21("3","5","2","2","1","7","4","1") = "6"
    & skf21("3","5","2","2","1","7","5","1") = "6"
    & skf21("3","5","2","2","1","7","6","1") = "6"
    & skf21("3","5","2","2","1","7","7","1") = "6"
    & skf21("3","5","2","2","2","1","1","1") = "4"
    & skf21("3","5","2","2","2","1","2","1") = "4"
    & skf21("3","5","2","2","2","1","3","1") = "4"
    & skf21("3","5","2","2","2","1","4","1") = "4"
    & skf21("3","5","2","2","2","1","5","1") = "4"
    & skf21("3","5","2","2","2","1","6","1") = "5"
    & skf21("3","5","2","2","2","1","7","1") = "6"
    & skf21("3","5","2","2","2","2","1","1") = "4"
    & skf21("3","5","2","2","2","2","2","1") = "4"
    & skf21("3","5","2","2","2","2","3","1") = "4"
    & skf21("3","5","2","2","2","2","4","1") = "4"
    & skf21("3","5","2","2","2","2","5","1") = "4"
    & skf21("3","5","2","2","2","2","6","1") = "5"
    & skf21("3","5","2","2","2","2","7","1") = "6"
    & skf21("3","5","2","2","2","3","1","1") = "4"
    & skf21("3","5","2","2","2","3","2","1") = "4"
    & skf21("3","5","2","2","2","3","3","1") = "4"
    & skf21("3","5","2","2","2","3","4","1") = "4"
    & skf21("3","5","2","2","2","3","5","1") = "4"
    & skf21("3","5","2","2","2","3","6","1") = "5"
    & skf21("3","5","2","2","2","3","7","1") = "6"
    & skf21("3","5","2","2","2","4","1","1") = "4"
    & skf21("3","5","2","2","2","4","2","1") = "4"
    & skf21("3","5","2","2","2","4","3","1") = "4"
    & skf21("3","5","2","2","2","4","4","1") = "4"
    & skf21("3","5","2","2","2","4","5","1") = "4"
    & skf21("3","5","2","2","2","4","6","1") = "5"
    & skf21("3","5","2","2","2","4","7","1") = "6"
    & skf21("3","5","2","2","2","5","1","1") = "4"
    & skf21("3","5","2","2","2","5","2","1") = "4"
    & skf21("3","5","2","2","2","5","3","1") = "4"
    & skf21("3","5","2","2","2","5","4","1") = "4"
    & skf21("3","5","2","2","2","5","5","1") = "4"
    & skf21("3","5","2","2","2","5","6","1") = "5"
    & skf21("3","5","2","2","2","5","7","1") = "6"
    & skf21("3","5","2","2","2","6","1","1") = "5"
    & skf21("3","5","2","2","2","6","2","1") = "5"
    & skf21("3","5","2","2","2","6","3","1") = "5"
    & skf21("3","5","2","2","2","6","4","1") = "5"
    & skf21("3","5","2","2","2","6","5","1") = "5"
    & skf21("3","5","2","2","2","6","6","1") = "5"
    & skf21("3","5","2","2","2","6","7","1") = "6"
    & skf21("3","5","2","2","2","7","1","1") = "6"
    & skf21("3","5","2","2","2","7","2","1") = "6"
    & skf21("3","5","2","2","2","7","3","1") = "6"
    & skf21("3","5","2","2","2","7","4","1") = "6"
    & skf21("3","5","2","2","2","7","5","1") = "6"
    & skf21("3","5","2","2","2","7","6","1") = "6"
    & skf21("3","5","2","2","2","7","7","1") = "6"
    & skf21("3","5","2","2","3","1","1","1") = "4"
    & skf21("3","5","2","2","3","1","2","1") = "4"
    & skf21("3","5","2","2","3","1","3","1") = "4"
    & skf21("3","5","2","2","3","1","4","1") = "4"
    & skf21("3","5","2","2","3","1","5","1") = "4"
    & skf21("3","5","2","2","3","1","6","1") = "5"
    & skf21("3","5","2","2","3","1","7","1") = "6"
    & skf21("3","5","2","2","3","2","1","1") = "4"
    & skf21("3","5","2","2","3","2","2","1") = "4"
    & skf21("3","5","2","2","3","2","3","1") = "4"
    & skf21("3","5","2","2","3","2","4","1") = "4"
    & skf21("3","5","2","2","3","2","5","1") = "4"
    & skf21("3","5","2","2","3","2","6","1") = "5"
    & skf21("3","5","2","2","3","2","7","1") = "6"
    & skf21("3","5","2","2","3","3","1","1") = "4"
    & skf21("3","5","2","2","3","3","2","1") = "4"
    & skf21("3","5","2","2","3","3","3","1") = "4"
    & skf21("3","5","2","2","3","3","4","1") = "4"
    & skf21("3","5","2","2","3","3","5","1") = "4"
    & skf21("3","5","2","2","3","3","6","1") = "5"
    & skf21("3","5","2","2","3","3","7","1") = "6"
    & skf21("3","5","2","2","3","4","1","1") = "4"
    & skf21("3","5","2","2","3","4","2","1") = "4"
    & skf21("3","5","2","2","3","4","3","1") = "4"
    & skf21("3","5","2","2","3","4","4","1") = "4"
    & skf21("3","5","2","2","3","4","5","1") = "4"
    & skf21("3","5","2","2","3","4","6","1") = "5"
    & skf21("3","5","2","2","3","4","7","1") = "6"
    & skf21("3","5","2","2","3","5","1","1") = "4"
    & skf21("3","5","2","2","3","5","2","1") = "4"
    & skf21("3","5","2","2","3","5","3","1") = "4"
    & skf21("3","5","2","2","3","5","4","1") = "4"
    & skf21("3","5","2","2","3","5","5","1") = "4"
    & skf21("3","5","2","2","3","5","6","1") = "5"
    & skf21("3","5","2","2","3","5","7","1") = "6"
    & skf21("3","5","2","2","3","6","1","1") = "5"
    & skf21("3","5","2","2","3","6","2","1") = "5"
    & skf21("3","5","2","2","3","6","3","1") = "5"
    & skf21("3","5","2","2","3","6","4","1") = "5"
    & skf21("3","5","2","2","3","6","5","1") = "5"
    & skf21("3","5","2","2","3","6","6","1") = "5"
    & skf21("3","5","2","2","3","6","7","1") = "6"
    & skf21("3","5","2","2","3","7","1","1") = "6"
    & skf21("3","5","2","2","3","7","2","1") = "6"
    & skf21("3","5","2","2","3","7","3","1") = "6"
    & skf21("3","5","2","2","3","7","4","1") = "6"
    & skf21("3","5","2","2","3","7","5","1") = "6"
    & skf21("3","5","2","2","3","7","6","1") = "6"
    & skf21("3","5","2","2","3","7","7","1") = "6"
    & skf21("3","5","2","2","4","1","1","1") = "4"
    & skf21("3","5","2","2","4","1","2","1") = "4"
    & skf21("3","5","2","2","4","1","3","1") = "4"
    & skf21("3","5","2","2","4","1","4","1") = "4"
    & skf21("3","5","2","2","4","1","5","1") = "4"
    & skf21("3","5","2","2","4","1","6","1") = "5"
    & skf21("3","5","2","2","4","1","7","1") = "6"
    & skf21("3","5","2","2","4","2","1","1") = "4"
    & skf21("3","5","2","2","4","2","2","1") = "4"
    & skf21("3","5","2","2","4","2","3","1") = "4"
    & skf21("3","5","2","2","4","2","4","1") = "4"
    & skf21("3","5","2","2","4","2","5","1") = "4"
    & skf21("3","5","2","2","4","2","6","1") = "5"
    & skf21("3","5","2","2","4","2","7","1") = "6"
    & skf21("3","5","2","2","4","3","1","1") = "4"
    & skf21("3","5","2","2","4","3","2","1") = "4"
    & skf21("3","5","2","2","4","3","3","1") = "4"
    & skf21("3","5","2","2","4","3","4","1") = "4"
    & skf21("3","5","2","2","4","3","5","1") = "4"
    & skf21("3","5","2","2","4","3","6","1") = "5"
    & skf21("3","5","2","2","4","3","7","1") = "6"
    & skf21("3","5","2","2","4","4","1","1") = "4"
    & skf21("3","5","2","2","4","4","2","1") = "4"
    & skf21("3","5","2","2","4","4","3","1") = "4"
    & skf21("3","5","2","2","4","4","4","1") = "4"
    & skf21("3","5","2","2","4","4","5","1") = "4"
    & skf21("3","5","2","2","4","4","6","1") = "5"
    & skf21("3","5","2","2","4","4","7","1") = "6"
    & skf21("3","5","2","2","4","5","1","1") = "4"
    & skf21("3","5","2","2","4","5","2","1") = "4"
    & skf21("3","5","2","2","4","5","3","1") = "4"
    & skf21("3","5","2","2","4","5","4","1") = "4"
    & skf21("3","5","2","2","4","5","5","1") = "4"
    & skf21("3","5","2","2","4","5","6","1") = "5"
    & skf21("3","5","2","2","4","5","7","1") = "6"
    & skf21("3","5","2","2","4","6","1","1") = "5"
    & skf21("3","5","2","2","4","6","2","1") = "5"
    & skf21("3","5","2","2","4","6","3","1") = "5"
    & skf21("3","5","2","2","4","6","4","1") = "5"
    & skf21("3","5","2","2","4","6","5","1") = "5"
    & skf21("3","5","2","2","4","6","6","1") = "5"
    & skf21("3","5","2","2","4","6","7","1") = "6"
    & skf21("3","5","2","2","4","7","1","1") = "6"
    & skf21("3","5","2","2","4","7","2","1") = "6"
    & skf21("3","5","2","2","4","7","3","1") = "6"
    & skf21("3","5","2","2","4","7","4","1") = "6"
    & skf21("3","5","2","2","4","7","5","1") = "6"
    & skf21("3","5","2","2","4","7","6","1") = "6"
    & skf21("3","5","2","2","4","7","7","1") = "6"
    & skf21("3","5","2","2","5","1","1","1") = "4"
    & skf21("3","5","2","2","5","1","2","1") = "4"
    & skf21("3","5","2","2","5","1","3","1") = "4"
    & skf21("3","5","2","2","5","1","4","1") = "4"
    & skf21("3","5","2","2","5","1","5","1") = "4"
    & skf21("3","5","2","2","5","1","6","1") = "5"
    & skf21("3","5","2","2","5","1","7","1") = "6"
    & skf21("3","5","2","2","5","2","1","1") = "4"
    & skf21("3","5","2","2","5","2","2","1") = "4"
    & skf21("3","5","2","2","5","2","3","1") = "4"
    & skf21("3","5","2","2","5","2","4","1") = "4"
    & skf21("3","5","2","2","5","2","5","1") = "4"
    & skf21("3","5","2","2","5","2","6","1") = "5"
    & skf21("3","5","2","2","5","2","7","1") = "6"
    & skf21("3","5","2","2","5","3","1","1") = "4"
    & skf21("3","5","2","2","5","3","2","1") = "4"
    & skf21("3","5","2","2","5","3","3","1") = "4"
    & skf21("3","5","2","2","5","3","4","1") = "4"
    & skf21("3","5","2","2","5","3","5","1") = "4"
    & skf21("3","5","2","2","5","3","6","1") = "5"
    & skf21("3","5","2","2","5","3","7","1") = "6"
    & skf21("3","5","2","2","5","4","1","1") = "4"
    & skf21("3","5","2","2","5","4","2","1") = "4"
    & skf21("3","5","2","2","5","4","3","1") = "4"
    & skf21("3","5","2","2","5","4","4","1") = "4"
    & skf21("3","5","2","2","5","4","5","1") = "4"
    & skf21("3","5","2","2","5","4","6","1") = "5"
    & skf21("3","5","2","2","5","4","7","1") = "6"
    & skf21("3","5","2","2","5","5","1","1") = "4"
    & skf21("3","5","2","2","5","5","2","1") = "4"
    & skf21("3","5","2","2","5","5","3","1") = "4"
    & skf21("3","5","2","2","5","5","4","1") = "4"
    & skf21("3","5","2","2","5","5","5","1") = "4"
    & skf21("3","5","2","2","5","5","6","1") = "5"
    & skf21("3","5","2","2","5","5","7","1") = "6"
    & skf21("3","5","2","2","5","6","1","1") = "5"
    & skf21("3","5","2","2","5","6","2","1") = "5"
    & skf21("3","5","2","2","5","6","3","1") = "5"
    & skf21("3","5","2","2","5","6","4","1") = "5"
    & skf21("3","5","2","2","5","6","5","1") = "5"
    & skf21("3","5","2","2","5","6","6","1") = "5"
    & skf21("3","5","2","2","5","6","7","1") = "6"
    & skf21("3","5","2","2","5","7","1","1") = "6"
    & skf21("3","5","2","2","5","7","2","1") = "6"
    & skf21("3","5","2","2","5","7","3","1") = "6"
    & skf21("3","5","2","2","5","7","4","1") = "6"
    & skf21("3","5","2","2","5","7","5","1") = "6"
    & skf21("3","5","2","2","5","7","6","1") = "6"
    & skf21("3","5","2","2","5","7","7","1") = "6"
    & skf21("3","5","2","2","6","1","1","1") = "5"
    & skf21("3","5","2","2","6","1","2","1") = "5"
    & skf21("3","5","2","2","6","1","3","1") = "5"
    & skf21("3","5","2","2","6","1","4","1") = "5"
    & skf21("3","5","2","2","6","1","5","1") = "5"
    & skf21("3","5","2","2","6","1","6","1") = "5"
    & skf21("3","5","2","2","6","1","7","1") = "6"
    & skf21("3","5","2","2","6","2","1","1") = "5"
    & skf21("3","5","2","2","6","2","2","1") = "5"
    & skf21("3","5","2","2","6","2","3","1") = "5"
    & skf21("3","5","2","2","6","2","4","1") = "5"
    & skf21("3","5","2","2","6","2","5","1") = "5"
    & skf21("3","5","2","2","6","2","6","1") = "5"
    & skf21("3","5","2","2","6","2","7","1") = "6"
    & skf21("3","5","2","2","6","3","1","1") = "5"
    & skf21("3","5","2","2","6","3","2","1") = "5"
    & skf21("3","5","2","2","6","3","3","1") = "5"
    & skf21("3","5","2","2","6","3","4","1") = "5"
    & skf21("3","5","2","2","6","3","5","1") = "5"
    & skf21("3","5","2","2","6","3","6","1") = "5"
    & skf21("3","5","2","2","6","3","7","1") = "6"
    & skf21("3","5","2","2","6","4","1","1") = "5"
    & skf21("3","5","2","2","6","4","2","1") = "5"
    & skf21("3","5","2","2","6","4","3","1") = "5"
    & skf21("3","5","2","2","6","4","4","1") = "5"
    & skf21("3","5","2","2","6","4","5","1") = "5"
    & skf21("3","5","2","2","6","4","6","1") = "5"
    & skf21("3","5","2","2","6","4","7","1") = "6"
    & skf21("3","5","2","2","6","5","1","1") = "5"
    & skf21("3","5","2","2","6","5","2","1") = "5"
    & skf21("3","5","2","2","6","5","3","1") = "5"
    & skf21("3","5","2","2","6","5","4","1") = "5"
    & skf21("3","5","2","2","6","5","5","1") = "5"
    & skf21("3","5","2","2","6","5","6","1") = "5"
    & skf21("3","5","2","2","6","5","7","1") = "6"
    & skf21("3","5","2","2","6","6","1","1") = "5"
    & skf21("3","5","2","2","6","6","2","1") = "5"
    & skf21("3","5","2","2","6","6","3","1") = "5"
    & skf21("3","5","2","2","6","6","4","1") = "5"
    & skf21("3","5","2","2","6","6","5","1") = "5"
    & skf21("3","5","2","2","6","6","6","1") = "5"
    & skf21("3","5","2","2","6","6","7","1") = "6"
    & skf21("3","5","2","2","6","7","1","1") = "6"
    & skf21("3","5","2","2","6","7","2","1") = "6"
    & skf21("3","5","2","2","6","7","3","1") = "6"
    & skf21("3","5","2","2","6","7","4","1") = "6"
    & skf21("3","5","2","2","6","7","5","1") = "6"
    & skf21("3","5","2","2","6","7","6","1") = "6"
    & skf21("3","5","2","2","6","7","7","1") = "6"
    & skf21("3","5","2","2","7","1","1","1") = "6"
    & skf21("3","5","2","2","7","1","2","1") = "6"
    & skf21("3","5","2","2","7","1","3","1") = "6"
    & skf21("3","5","2","2","7","1","4","1") = "6"
    & skf21("3","5","2","2","7","1","5","1") = "6"
    & skf21("3","5","2","2","7","1","6","1") = "6"
    & skf21("3","5","2","2","7","1","7","1") = "6"
    & skf21("3","5","2","2","7","2","1","1") = "6"
    & skf21("3","5","2","2","7","2","2","1") = "6"
    & skf21("3","5","2","2","7","2","3","1") = "6"
    & skf21("3","5","2","2","7","2","4","1") = "6"
    & skf21("3","5","2","2","7","2","5","1") = "6"
    & skf21("3","5","2","2","7","2","6","1") = "6"
    & skf21("3","5","2","2","7","2","7","1") = "6"
    & skf21("3","5","2","2","7","3","1","1") = "6"
    & skf21("3","5","2","2","7","3","2","1") = "6"
    & skf21("3","5","2","2","7","3","3","1") = "6"
    & skf21("3","5","2","2","7","3","4","1") = "6"
    & skf21("3","5","2","2","7","3","5","1") = "6"
    & skf21("3","5","2","2","7","3","6","1") = "6"
    & skf21("3","5","2","2","7","3","7","1") = "6"
    & skf21("3","5","2","2","7","4","1","1") = "6"
    & skf21("3","5","2","2","7","4","2","1") = "6"
    & skf21("3","5","2","2","7","4","3","1") = "6"
    & skf21("3","5","2","2","7","4","4","1") = "6"
    & skf21("3","5","2","2","7","4","5","1") = "6"
    & skf21("3","5","2","2","7","4","6","1") = "6"
    & skf21("3","5","2","2","7","4","7","1") = "6"
    & skf21("3","5","2","2","7","5","1","1") = "6"
    & skf21("3","5","2","2","7","5","2","1") = "6"
    & skf21("3","5","2","2","7","5","3","1") = "6"
    & skf21("3","5","2","2","7","5","4","1") = "6"
    & skf21("3","5","2","2","7","5","5","1") = "6"
    & skf21("3","5","2","2","7","5","6","1") = "6"
    & skf21("3","5","2","2","7","5","7","1") = "6"
    & skf21("3","5","2","2","7","6","1","1") = "6"
    & skf21("3","5","2","2","7","6","2","1") = "6"
    & skf21("3","5","2","2","7","6","3","1") = "6"
    & skf21("3","5","2","2","7","6","4","1") = "6"
    & skf21("3","5","2","2","7","6","5","1") = "6"
    & skf21("3","5","2","2","7","6","6","1") = "6"
    & skf21("3","5","2","2","7","6","7","1") = "6"
    & skf21("3","5","2","2","7","7","1","1") = "6"
    & skf21("3","5","2","2","7","7","2","1") = "6"
    & skf21("3","5","2","2","7","7","3","1") = "6"
    & skf21("3","5","2","2","7","7","4","1") = "6"
    & skf21("3","5","2","2","7","7","5","1") = "6"
    & skf21("3","5","2","2","7","7","6","1") = "6"
    & skf21("3","5","2","2","7","7","7","1") = "6"
    & skf21("3","5","2","3","1","1","1","1") = "4"
    & skf21("3","5","2","3","1","1","2","1") = "4"
    & skf21("3","5","2","3","1","1","3","1") = "4"
    & skf21("3","5","2","3","1","1","4","1") = "4"
    & skf21("3","5","2","3","1","1","5","1") = "4"
    & skf21("3","5","2","3","1","1","6","1") = "5"
    & skf21("3","5","2","3","1","1","7","1") = "6"
    & skf21("3","5","2","3","1","2","1","1") = "4"
    & skf21("3","5","2","3","1","2","2","1") = "4"
    & skf21("3","5","2","3","1","2","3","1") = "4"
    & skf21("3","5","2","3","1","2","4","1") = "4"
    & skf21("3","5","2","3","1","2","5","1") = "4"
    & skf21("3","5","2","3","1","2","6","1") = "5"
    & skf21("3","5","2","3","1","2","7","1") = "6"
    & skf21("3","5","2","3","1","3","1","1") = "4"
    & skf21("3","5","2","3","1","3","2","1") = "4"
    & skf21("3","5","2","3","1","3","3","1") = "4"
    & skf21("3","5","2","3","1","3","4","1") = "4"
    & skf21("3","5","2","3","1","3","5","1") = "4"
    & skf21("3","5","2","3","1","3","6","1") = "5"
    & skf21("3","5","2","3","1","3","7","1") = "6"
    & skf21("3","5","2","3","1","4","1","1") = "4"
    & skf21("3","5","2","3","1","4","2","1") = "4"
    & skf21("3","5","2","3","1","4","3","1") = "4"
    & skf21("3","5","2","3","1","4","4","1") = "4"
    & skf21("3","5","2","3","1","4","5","1") = "4"
    & skf21("3","5","2","3","1","4","6","1") = "5"
    & skf21("3","5","2","3","1","4","7","1") = "6"
    & skf21("3","5","2","3","1","5","1","1") = "4"
    & skf21("3","5","2","3","1","5","2","1") = "4"
    & skf21("3","5","2","3","1","5","3","1") = "4"
    & skf21("3","5","2","3","1","5","4","1") = "4"
    & skf21("3","5","2","3","1","5","5","1") = "4"
    & skf21("3","5","2","3","1","5","6","1") = "5"
    & skf21("3","5","2","3","1","5","7","1") = "6"
    & skf21("3","5","2","3","1","6","1","1") = "5"
    & skf21("3","5","2","3","1","6","2","1") = "5"
    & skf21("3","5","2","3","1","6","3","1") = "5"
    & skf21("3","5","2","3","1","6","4","1") = "5"
    & skf21("3","5","2","3","1","6","5","1") = "5"
    & skf21("3","5","2","3","1","6","6","1") = "5"
    & skf21("3","5","2","3","1","6","7","1") = "6"
    & skf21("3","5","2","3","1","7","1","1") = "6"
    & skf21("3","5","2","3","1","7","2","1") = "6"
    & skf21("3","5","2","3","1","7","3","1") = "6"
    & skf21("3","5","2","3","1","7","4","1") = "6"
    & skf21("3","5","2","3","1","7","5","1") = "6"
    & skf21("3","5","2","3","1","7","6","1") = "6"
    & skf21("3","5","2","3","1","7","7","1") = "6"
    & skf21("3","5","2","3","2","1","1","1") = "4"
    & skf21("3","5","2","3","2","1","2","1") = "4"
    & skf21("3","5","2","3","2","1","3","1") = "4"
    & skf21("3","5","2","3","2","1","4","1") = "4"
    & skf21("3","5","2","3","2","1","5","1") = "4"
    & skf21("3","5","2","3","2","1","6","1") = "5"
    & skf21("3","5","2","3","2","1","7","1") = "6"
    & skf21("3","5","2","3","2","2","1","1") = "4"
    & skf21("3","5","2","3","2","2","2","1") = "4"
    & skf21("3","5","2","3","2","2","3","1") = "4"
    & skf21("3","5","2","3","2","2","4","1") = "4"
    & skf21("3","5","2","3","2","2","5","1") = "4"
    & skf21("3","5","2","3","2","2","6","1") = "5"
    & skf21("3","5","2","3","2","2","7","1") = "6"
    & skf21("3","5","2","3","2","3","1","1") = "4"
    & skf21("3","5","2","3","2","3","2","1") = "4"
    & skf21("3","5","2","3","2","3","3","1") = "4"
    & skf21("3","5","2","3","2","3","4","1") = "4"
    & skf21("3","5","2","3","2","3","5","1") = "4"
    & skf21("3","5","2","3","2","3","6","1") = "5"
    & skf21("3","5","2","3","2","3","7","1") = "6"
    & skf21("3","5","2","3","2","4","1","1") = "4"
    & skf21("3","5","2","3","2","4","2","1") = "4"
    & skf21("3","5","2","3","2","4","3","1") = "4"
    & skf21("3","5","2","3","2","4","4","1") = "4"
    & skf21("3","5","2","3","2","4","5","1") = "4"
    & skf21("3","5","2","3","2","4","6","1") = "5"
    & skf21("3","5","2","3","2","4","7","1") = "6"
    & skf21("3","5","2","3","2","5","1","1") = "4"
    & skf21("3","5","2","3","2","5","2","1") = "4"
    & skf21("3","5","2","3","2","5","3","1") = "4"
    & skf21("3","5","2","3","2","5","4","1") = "4"
    & skf21("3","5","2","3","2","5","5","1") = "4"
    & skf21("3","5","2","3","2","5","6","1") = "5"
    & skf21("3","5","2","3","2","5","7","1") = "6"
    & skf21("3","5","2","3","2","6","1","1") = "5"
    & skf21("3","5","2","3","2","6","2","1") = "5"
    & skf21("3","5","2","3","2","6","3","1") = "5"
    & skf21("3","5","2","3","2","6","4","1") = "5"
    & skf21("3","5","2","3","2","6","5","1") = "5"
    & skf21("3","5","2","3","2","6","6","1") = "5"
    & skf21("3","5","2","3","2","6","7","1") = "6"
    & skf21("3","5","2","3","2","7","1","1") = "6"
    & skf21("3","5","2","3","2","7","2","1") = "6"
    & skf21("3","5","2","3","2","7","3","1") = "6"
    & skf21("3","5","2","3","2","7","4","1") = "6"
    & skf21("3","5","2","3","2","7","5","1") = "6"
    & skf21("3","5","2","3","2","7","6","1") = "6"
    & skf21("3","5","2","3","2","7","7","1") = "6"
    & skf21("3","5","2","3","3","1","1","1") = "4"
    & skf21("3","5","2","3","3","1","2","1") = "4"
    & skf21("3","5","2","3","3","1","3","1") = "4"
    & skf21("3","5","2","3","3","1","4","1") = "4"
    & skf21("3","5","2","3","3","1","5","1") = "4"
    & skf21("3","5","2","3","3","1","6","1") = "5"
    & skf21("3","5","2","3","3","1","7","1") = "6"
    & skf21("3","5","2","3","3","2","1","1") = "4"
    & skf21("3","5","2","3","3","2","2","1") = "4"
    & skf21("3","5","2","3","3","2","3","1") = "4"
    & skf21("3","5","2","3","3","2","4","1") = "4"
    & skf21("3","5","2","3","3","2","5","1") = "4"
    & skf21("3","5","2","3","3","2","6","1") = "5"
    & skf21("3","5","2","3","3","2","7","1") = "6"
    & skf21("3","5","2","3","3","3","1","1") = "4"
    & skf21("3","5","2","3","3","3","2","1") = "4"
    & skf21("3","5","2","3","3","3","3","1") = "4"
    & skf21("3","5","2","3","3","3","4","1") = "4"
    & skf21("3","5","2","3","3","3","5","1") = "4"
    & skf21("3","5","2","3","3","3","6","1") = "5"
    & skf21("3","5","2","3","3","3","7","1") = "6"
    & skf21("3","5","2","3","3","4","1","1") = "4"
    & skf21("3","5","2","3","3","4","2","1") = "4"
    & skf21("3","5","2","3","3","4","3","1") = "4"
    & skf21("3","5","2","3","3","4","4","1") = "4"
    & skf21("3","5","2","3","3","4","5","1") = "4"
    & skf21("3","5","2","3","3","4","6","1") = "5"
    & skf21("3","5","2","3","3","4","7","1") = "6"
    & skf21("3","5","2","3","3","5","1","1") = "4"
    & skf21("3","5","2","3","3","5","2","1") = "4"
    & skf21("3","5","2","3","3","5","3","1") = "4"
    & skf21("3","5","2","3","3","5","4","1") = "4"
    & skf21("3","5","2","3","3","5","5","1") = "4"
    & skf21("3","5","2","3","3","5","6","1") = "5"
    & skf21("3","5","2","3","3","5","7","1") = "6"
    & skf21("3","5","2","3","3","6","1","1") = "5"
    & skf21("3","5","2","3","3","6","2","1") = "5"
    & skf21("3","5","2","3","3","6","3","1") = "5"
    & skf21("3","5","2","3","3","6","4","1") = "5"
    & skf21("3","5","2","3","3","6","5","1") = "5"
    & skf21("3","5","2","3","3","6","6","1") = "5"
    & skf21("3","5","2","3","3","6","7","1") = "6"
    & skf21("3","5","2","3","3","7","1","1") = "6"
    & skf21("3","5","2","3","3","7","2","1") = "6"
    & skf21("3","5","2","3","3","7","3","1") = "6"
    & skf21("3","5","2","3","3","7","4","1") = "6"
    & skf21("3","5","2","3","3","7","5","1") = "6"
    & skf21("3","5","2","3","3","7","6","1") = "6"
    & skf21("3","5","2","3","3","7","7","1") = "6"
    & skf21("3","5","2","3","4","1","1","1") = "4"
    & skf21("3","5","2","3","4","1","2","1") = "4"
    & skf21("3","5","2","3","4","1","3","1") = "4"
    & skf21("3","5","2","3","4","1","4","1") = "4"
    & skf21("3","5","2","3","4","1","5","1") = "4"
    & skf21("3","5","2","3","4","1","6","1") = "5"
    & skf21("3","5","2","3","4","1","7","1") = "6"
    & skf21("3","5","2","3","4","2","1","1") = "4"
    & skf21("3","5","2","3","4","2","2","1") = "4"
    & skf21("3","5","2","3","4","2","3","1") = "4"
    & skf21("3","5","2","3","4","2","4","1") = "4"
    & skf21("3","5","2","3","4","2","5","1") = "4"
    & skf21("3","5","2","3","4","2","6","1") = "5"
    & skf21("3","5","2","3","4","2","7","1") = "6"
    & skf21("3","5","2","3","4","3","1","1") = "4"
    & skf21("3","5","2","3","4","3","2","1") = "4"
    & skf21("3","5","2","3","4","3","3","1") = "4"
    & skf21("3","5","2","3","4","3","4","1") = "4"
    & skf21("3","5","2","3","4","3","5","1") = "4"
    & skf21("3","5","2","3","4","3","6","1") = "5"
    & skf21("3","5","2","3","4","3","7","1") = "6"
    & skf21("3","5","2","3","4","4","1","1") = "4"
    & skf21("3","5","2","3","4","4","2","1") = "4"
    & skf21("3","5","2","3","4","4","3","1") = "4"
    & skf21("3","5","2","3","4","4","4","1") = "4"
    & skf21("3","5","2","3","4","4","5","1") = "4"
    & skf21("3","5","2","3","4","4","6","1") = "5"
    & skf21("3","5","2","3","4","4","7","1") = "6"
    & skf21("3","5","2","3","4","5","1","1") = "4"
    & skf21("3","5","2","3","4","5","2","1") = "4"
    & skf21("3","5","2","3","4","5","3","1") = "4"
    & skf21("3","5","2","3","4","5","4","1") = "4"
    & skf21("3","5","2","3","4","5","5","1") = "4"
    & skf21("3","5","2","3","4","5","6","1") = "5"
    & skf21("3","5","2","3","4","5","7","1") = "6"
    & skf21("3","5","2","3","4","6","1","1") = "5"
    & skf21("3","5","2","3","4","6","2","1") = "5"
    & skf21("3","5","2","3","4","6","3","1") = "5"
    & skf21("3","5","2","3","4","6","4","1") = "5"
    & skf21("3","5","2","3","4","6","5","1") = "5"
    & skf21("3","5","2","3","4","6","6","1") = "5"
    & skf21("3","5","2","3","4","6","7","1") = "6"
    & skf21("3","5","2","3","4","7","1","1") = "6"
    & skf21("3","5","2","3","4","7","2","1") = "6"
    & skf21("3","5","2","3","4","7","3","1") = "6"
    & skf21("3","5","2","3","4","7","4","1") = "6"
    & skf21("3","5","2","3","4","7","5","1") = "6"
    & skf21("3","5","2","3","4","7","6","1") = "6"
    & skf21("3","5","2","3","4","7","7","1") = "6"
    & skf21("3","5","2","3","5","1","1","1") = "4"
    & skf21("3","5","2","3","5","1","2","1") = "4"
    & skf21("3","5","2","3","5","1","3","1") = "4"
    & skf21("3","5","2","3","5","1","4","1") = "4"
    & skf21("3","5","2","3","5","1","5","1") = "4"
    & skf21("3","5","2","3","5","1","6","1") = "5"
    & skf21("3","5","2","3","5","1","7","1") = "6"
    & skf21("3","5","2","3","5","2","1","1") = "4"
    & skf21("3","5","2","3","5","2","2","1") = "4"
    & skf21("3","5","2","3","5","2","3","1") = "4"
    & skf21("3","5","2","3","5","2","4","1") = "4"
    & skf21("3","5","2","3","5","2","5","1") = "4"
    & skf21("3","5","2","3","5","2","6","1") = "5"
    & skf21("3","5","2","3","5","2","7","1") = "6"
    & skf21("3","5","2","3","5","3","1","1") = "4"
    & skf21("3","5","2","3","5","3","2","1") = "4"
    & skf21("3","5","2","3","5","3","3","1") = "4"
    & skf21("3","5","2","3","5","3","4","1") = "4"
    & skf21("3","5","2","3","5","3","5","1") = "4"
    & skf21("3","5","2","3","5","3","6","1") = "5"
    & skf21("3","5","2","3","5","3","7","1") = "6"
    & skf21("3","5","2","3","5","4","1","1") = "4"
    & skf21("3","5","2","3","5","4","2","1") = "4"
    & skf21("3","5","2","3","5","4","3","1") = "4"
    & skf21("3","5","2","3","5","4","4","1") = "4"
    & skf21("3","5","2","3","5","4","5","1") = "4"
    & skf21("3","5","2","3","5","4","6","1") = "5"
    & skf21("3","5","2","3","5","4","7","1") = "6"
    & skf21("3","5","2","3","5","5","1","1") = "4"
    & skf21("3","5","2","3","5","5","2","1") = "4"
    & skf21("3","5","2","3","5","5","3","1") = "4"
    & skf21("3","5","2","3","5","5","4","1") = "4"
    & skf21("3","5","2","3","5","5","5","1") = "4"
    & skf21("3","5","2","3","5","5","6","1") = "5"
    & skf21("3","5","2","3","5","5","7","1") = "6"
    & skf21("3","5","2","3","5","6","1","1") = "5"
    & skf21("3","5","2","3","5","6","2","1") = "5"
    & skf21("3","5","2","3","5","6","3","1") = "5"
    & skf21("3","5","2","3","5","6","4","1") = "5"
    & skf21("3","5","2","3","5","6","5","1") = "5"
    & skf21("3","5","2","3","5","6","6","1") = "5"
    & skf21("3","5","2","3","5","6","7","1") = "6"
    & skf21("3","5","2","3","5","7","1","1") = "6"
    & skf21("3","5","2","3","5","7","2","1") = "6"
    & skf21("3","5","2","3","5","7","3","1") = "6"
    & skf21("3","5","2","3","5","7","4","1") = "6"
    & skf21("3","5","2","3","5","7","5","1") = "6"
    & skf21("3","5","2","3","5","7","6","1") = "6"
    & skf21("3","5","2","3","5","7","7","1") = "6"
    & skf21("3","5","2","3","6","1","1","1") = "5"
    & skf21("3","5","2","3","6","1","2","1") = "5"
    & skf21("3","5","2","3","6","1","3","1") = "5"
    & skf21("3","5","2","3","6","1","4","1") = "5"
    & skf21("3","5","2","3","6","1","5","1") = "5"
    & skf21("3","5","2","3","6","1","6","1") = "5"
    & skf21("3","5","2","3","6","1","7","1") = "6"
    & skf21("3","5","2","3","6","2","1","1") = "5"
    & skf21("3","5","2","3","6","2","2","1") = "5"
    & skf21("3","5","2","3","6","2","3","1") = "5"
    & skf21("3","5","2","3","6","2","4","1") = "5"
    & skf21("3","5","2","3","6","2","5","1") = "5"
    & skf21("3","5","2","3","6","2","6","1") = "5"
    & skf21("3","5","2","3","6","2","7","1") = "6"
    & skf21("3","5","2","3","6","3","1","1") = "5"
    & skf21("3","5","2","3","6","3","2","1") = "5"
    & skf21("3","5","2","3","6","3","3","1") = "5"
    & skf21("3","5","2","3","6","3","4","1") = "5"
    & skf21("3","5","2","3","6","3","5","1") = "5"
    & skf21("3","5","2","3","6","3","6","1") = "5"
    & skf21("3","5","2","3","6","3","7","1") = "6"
    & skf21("3","5","2","3","6","4","1","1") = "5"
    & skf21("3","5","2","3","6","4","2","1") = "5"
    & skf21("3","5","2","3","6","4","3","1") = "5"
    & skf21("3","5","2","3","6","4","4","1") = "5"
    & skf21("3","5","2","3","6","4","5","1") = "5"
    & skf21("3","5","2","3","6","4","6","1") = "5"
    & skf21("3","5","2","3","6","4","7","1") = "6"
    & skf21("3","5","2","3","6","5","1","1") = "5"
    & skf21("3","5","2","3","6","5","2","1") = "5"
    & skf21("3","5","2","3","6","5","3","1") = "5"
    & skf21("3","5","2","3","6","5","4","1") = "5"
    & skf21("3","5","2","3","6","5","5","1") = "5"
    & skf21("3","5","2","3","6","5","6","1") = "5"
    & skf21("3","5","2","3","6","5","7","1") = "6"
    & skf21("3","5","2","3","6","6","1","1") = "5"
    & skf21("3","5","2","3","6","6","2","1") = "5"
    & skf21("3","5","2","3","6","6","3","1") = "5"
    & skf21("3","5","2","3","6","6","4","1") = "5"
    & skf21("3","5","2","3","6","6","5","1") = "5"
    & skf21("3","5","2","3","6","6","6","1") = "5"
    & skf21("3","5","2","3","6","6","7","1") = "6"
    & skf21("3","5","2","3","6","7","1","1") = "6"
    & skf21("3","5","2","3","6","7","2","1") = "6"
    & skf21("3","5","2","3","6","7","3","1") = "6"
    & skf21("3","5","2","3","6","7","4","1") = "6"
    & skf21("3","5","2","3","6","7","5","1") = "6"
    & skf21("3","5","2","3","6","7","6","1") = "6"
    & skf21("3","5","2","3","6","7","7","1") = "6"
    & skf21("3","5","2","3","7","1","1","1") = "6"
    & skf21("3","5","2","3","7","1","2","1") = "6"
    & skf21("3","5","2","3","7","1","3","1") = "6"
    & skf21("3","5","2","3","7","1","4","1") = "6"
    & skf21("3","5","2","3","7","1","5","1") = "6"
    & skf21("3","5","2","3","7","1","6","1") = "6"
    & skf21("3","5","2","3","7","1","7","1") = "6"
    & skf21("3","5","2","3","7","2","1","1") = "6"
    & skf21("3","5","2","3","7","2","2","1") = "6"
    & skf21("3","5","2","3","7","2","3","1") = "6"
    & skf21("3","5","2","3","7","2","4","1") = "6"
    & skf21("3","5","2","3","7","2","5","1") = "6"
    & skf21("3","5","2","3","7","2","6","1") = "6"
    & skf21("3","5","2","3","7","2","7","1") = "6"
    & skf21("3","5","2","3","7","3","1","1") = "6"
    & skf21("3","5","2","3","7","3","2","1") = "6"
    & skf21("3","5","2","3","7","3","3","1") = "6"
    & skf21("3","5","2","3","7","3","4","1") = "6"
    & skf21("3","5","2","3","7","3","5","1") = "6"
    & skf21("3","5","2","3","7","3","6","1") = "6"
    & skf21("3","5","2","3","7","3","7","1") = "6"
    & skf21("3","5","2","3","7","4","1","1") = "6"
    & skf21("3","5","2","3","7","4","2","1") = "6"
    & skf21("3","5","2","3","7","4","3","1") = "6"
    & skf21("3","5","2","3","7","4","4","1") = "6"
    & skf21("3","5","2","3","7","4","5","1") = "6"
    & skf21("3","5","2","3","7","4","6","1") = "6"
    & skf21("3","5","2","3","7","4","7","1") = "6"
    & skf21("3","5","2","3","7","5","1","1") = "6"
    & skf21("3","5","2","3","7","5","2","1") = "6"
    & skf21("3","5","2","3","7","5","3","1") = "6"
    & skf21("3","5","2","3","7","5","4","1") = "6"
    & skf21("3","5","2","3","7","5","5","1") = "6"
    & skf21("3","5","2","3","7","5","6","1") = "6"
    & skf21("3","5","2","3","7","5","7","1") = "6"
    & skf21("3","5","2","3","7","6","1","1") = "6"
    & skf21("3","5","2","3","7","6","2","1") = "6"
    & skf21("3","5","2","3","7","6","3","1") = "6"
    & skf21("3","5","2","3","7","6","4","1") = "6"
    & skf21("3","5","2","3","7","6","5","1") = "6"
    & skf21("3","5","2","3","7","6","6","1") = "6"
    & skf21("3","5","2","3","7","6","7","1") = "6"
    & skf21("3","5","2","3","7","7","1","1") = "6"
    & skf21("3","5","2","3","7","7","2","1") = "6"
    & skf21("3","5","2","3","7","7","3","1") = "6"
    & skf21("3","5","2","3","7","7","4","1") = "6"
    & skf21("3","5","2","3","7","7","5","1") = "6"
    & skf21("3","5","2","3","7","7","6","1") = "6"
    & skf21("3","5","2","3","7","7","7","1") = "6"
    & skf21("3","5","2","4","1","1","1","1") = "4"
    & skf21("3","5","2","4","1","1","2","1") = "4"
    & skf21("3","5","2","4","1","1","3","1") = "4"
    & skf21("3","5","2","4","1","1","4","1") = "4"
    & skf21("3","5","2","4","1","1","5","1") = "4"
    & skf21("3","5","2","4","1","1","6","1") = "5"
    & skf21("3","5","2","4","1","1","7","1") = "6"
    & skf21("3","5","2","4","1","2","1","1") = "4"
    & skf21("3","5","2","4","1","2","2","1") = "4"
    & skf21("3","5","2","4","1","2","3","1") = "4"
    & skf21("3","5","2","4","1","2","4","1") = "4"
    & skf21("3","5","2","4","1","2","5","1") = "4"
    & skf21("3","5","2","4","1","2","6","1") = "5"
    & skf21("3","5","2","4","1","2","7","1") = "6"
    & skf21("3","5","2","4","1","3","1","1") = "4"
    & skf21("3","5","2","4","1","3","2","1") = "4"
    & skf21("3","5","2","4","1","3","3","1") = "4"
    & skf21("3","5","2","4","1","3","4","1") = "4"
    & skf21("3","5","2","4","1","3","5","1") = "4"
    & skf21("3","5","2","4","1","3","6","1") = "5"
    & skf21("3","5","2","4","1","3","7","1") = "6"
    & skf21("3","5","2","4","1","4","1","1") = "4"
    & skf21("3","5","2","4","1","4","2","1") = "4"
    & skf21("3","5","2","4","1","4","3","1") = "4"
    & skf21("3","5","2","4","1","4","4","1") = "4"
    & skf21("3","5","2","4","1","4","5","1") = "4"
    & skf21("3","5","2","4","1","4","6","1") = "5"
    & skf21("3","5","2","4","1","4","7","1") = "6"
    & skf21("3","5","2","4","1","5","1","1") = "4"
    & skf21("3","5","2","4","1","5","2","1") = "4"
    & skf21("3","5","2","4","1","5","3","1") = "4"
    & skf21("3","5","2","4","1","5","4","1") = "4"
    & skf21("3","5","2","4","1","5","5","1") = "4"
    & skf21("3","5","2","4","1","5","6","1") = "5"
    & skf21("3","5","2","4","1","5","7","1") = "6"
    & skf21("3","5","2","4","1","6","1","1") = "5"
    & skf21("3","5","2","4","1","6","2","1") = "5"
    & skf21("3","5","2","4","1","6","3","1") = "5"
    & skf21("3","5","2","4","1","6","4","1") = "5"
    & skf21("3","5","2","4","1","6","5","1") = "5"
    & skf21("3","5","2","4","1","6","6","1") = "5"
    & skf21("3","5","2","4","1","6","7","1") = "6"
    & skf21("3","5","2","4","1","7","1","1") = "6"
    & skf21("3","5","2","4","1","7","2","1") = "6"
    & skf21("3","5","2","4","1","7","3","1") = "6"
    & skf21("3","5","2","4","1","7","4","1") = "6"
    & skf21("3","5","2","4","1","7","5","1") = "6"
    & skf21("3","5","2","4","1","7","6","1") = "6"
    & skf21("3","5","2","4","1","7","7","1") = "6"
    & skf21("3","5","2","4","2","1","1","1") = "4"
    & skf21("3","5","2","4","2","1","2","1") = "4"
    & skf21("3","5","2","4","2","1","3","1") = "4"
    & skf21("3","5","2","4","2","1","4","1") = "4"
    & skf21("3","5","2","4","2","1","5","1") = "4"
    & skf21("3","5","2","4","2","1","6","1") = "5"
    & skf21("3","5","2","4","2","1","7","1") = "6"
    & skf21("3","5","2","4","2","2","1","1") = "4"
    & skf21("3","5","2","4","2","2","2","1") = "4"
    & skf21("3","5","2","4","2","2","3","1") = "4"
    & skf21("3","5","2","4","2","2","4","1") = "4"
    & skf21("3","5","2","4","2","2","5","1") = "4"
    & skf21("3","5","2","4","2","2","6","1") = "5"
    & skf21("3","5","2","4","2","2","7","1") = "6"
    & skf21("3","5","2","4","2","3","1","1") = "4"
    & skf21("3","5","2","4","2","3","2","1") = "4"
    & skf21("3","5","2","4","2","3","3","1") = "4"
    & skf21("3","5","2","4","2","3","4","1") = "4"
    & skf21("3","5","2","4","2","3","5","1") = "4"
    & skf21("3","5","2","4","2","3","6","1") = "5"
    & skf21("3","5","2","4","2","3","7","1") = "6"
    & skf21("3","5","2","4","2","4","1","1") = "4"
    & skf21("3","5","2","4","2","4","2","1") = "4"
    & skf21("3","5","2","4","2","4","3","1") = "4"
    & skf21("3","5","2","4","2","4","4","1") = "4"
    & skf21("3","5","2","4","2","4","5","1") = "4"
    & skf21("3","5","2","4","2","4","6","1") = "5"
    & skf21("3","5","2","4","2","4","7","1") = "6"
    & skf21("3","5","2","4","2","5","1","1") = "4"
    & skf21("3","5","2","4","2","5","2","1") = "4"
    & skf21("3","5","2","4","2","5","3","1") = "4"
    & skf21("3","5","2","4","2","5","4","1") = "4"
    & skf21("3","5","2","4","2","5","5","1") = "4"
    & skf21("3","5","2","4","2","5","6","1") = "5"
    & skf21("3","5","2","4","2","5","7","1") = "6"
    & skf21("3","5","2","4","2","6","1","1") = "5"
    & skf21("3","5","2","4","2","6","2","1") = "5"
    & skf21("3","5","2","4","2","6","3","1") = "5"
    & skf21("3","5","2","4","2","6","4","1") = "5"
    & skf21("3","5","2","4","2","6","5","1") = "5"
    & skf21("3","5","2","4","2","6","6","1") = "5"
    & skf21("3","5","2","4","2","6","7","1") = "6"
    & skf21("3","5","2","4","2","7","1","1") = "6"
    & skf21("3","5","2","4","2","7","2","1") = "6"
    & skf21("3","5","2","4","2","7","3","1") = "6"
    & skf21("3","5","2","4","2","7","4","1") = "6"
    & skf21("3","5","2","4","2","7","5","1") = "6"
    & skf21("3","5","2","4","2","7","6","1") = "6"
    & skf21("3","5","2","4","2","7","7","1") = "6"
    & skf21("3","5","2","4","3","1","1","1") = "4"
    & skf21("3","5","2","4","3","1","2","1") = "4"
    & skf21("3","5","2","4","3","1","3","1") = "4"
    & skf21("3","5","2","4","3","1","4","1") = "4"
    & skf21("3","5","2","4","3","1","5","1") = "4"
    & skf21("3","5","2","4","3","1","6","1") = "5"
    & skf21("3","5","2","4","3","1","7","1") = "6"
    & skf21("3","5","2","4","3","2","1","1") = "4"
    & skf21("3","5","2","4","3","2","2","1") = "4"
    & skf21("3","5","2","4","3","2","3","1") = "4"
    & skf21("3","5","2","4","3","2","4","1") = "4"
    & skf21("3","5","2","4","3","2","5","1") = "4"
    & skf21("3","5","2","4","3","2","6","1") = "5"
    & skf21("3","5","2","4","3","2","7","1") = "6"
    & skf21("3","5","2","4","3","3","1","1") = "4"
    & skf21("3","5","2","4","3","3","2","1") = "4"
    & skf21("3","5","2","4","3","3","3","1") = "4"
    & skf21("3","5","2","4","3","3","4","1") = "4"
    & skf21("3","5","2","4","3","3","5","1") = "4"
    & skf21("3","5","2","4","3","3","6","1") = "5"
    & skf21("3","5","2","4","3","3","7","1") = "6"
    & skf21("3","5","2","4","3","4","1","1") = "4"
    & skf21("3","5","2","4","3","4","2","1") = "4"
    & skf21("3","5","2","4","3","4","3","1") = "4"
    & skf21("3","5","2","4","3","4","4","1") = "4"
    & skf21("3","5","2","4","3","4","5","1") = "4"
    & skf21("3","5","2","4","3","4","6","1") = "5"
    & skf21("3","5","2","4","3","4","7","1") = "6"
    & skf21("3","5","2","4","3","5","1","1") = "4"
    & skf21("3","5","2","4","3","5","2","1") = "4"
    & skf21("3","5","2","4","3","5","3","1") = "4"
    & skf21("3","5","2","4","3","5","4","1") = "4"
    & skf21("3","5","2","4","3","5","5","1") = "4"
    & skf21("3","5","2","4","3","5","6","1") = "5"
    & skf21("3","5","2","4","3","5","7","1") = "6"
    & skf21("3","5","2","4","3","6","1","1") = "5"
    & skf21("3","5","2","4","3","6","2","1") = "5"
    & skf21("3","5","2","4","3","6","3","1") = "5"
    & skf21("3","5","2","4","3","6","4","1") = "5"
    & skf21("3","5","2","4","3","6","5","1") = "5"
    & skf21("3","5","2","4","3","6","6","1") = "5"
    & skf21("3","5","2","4","3","6","7","1") = "6"
    & skf21("3","5","2","4","3","7","1","1") = "6"
    & skf21("3","5","2","4","3","7","2","1") = "6"
    & skf21("3","5","2","4","3","7","3","1") = "6"
    & skf21("3","5","2","4","3","7","4","1") = "6"
    & skf21("3","5","2","4","3","7","5","1") = "6"
    & skf21("3","5","2","4","3","7","6","1") = "6"
    & skf21("3","5","2","4","3","7","7","1") = "6"
    & skf21("3","5","2","4","4","1","1","1") = "4"
    & skf21("3","5","2","4","4","1","2","1") = "4"
    & skf21("3","5","2","4","4","1","3","1") = "4"
    & skf21("3","5","2","4","4","1","4","1") = "4"
    & skf21("3","5","2","4","4","1","5","1") = "4"
    & skf21("3","5","2","4","4","1","6","1") = "5"
    & skf21("3","5","2","4","4","1","7","1") = "6"
    & skf21("3","5","2","4","4","2","1","1") = "4"
    & skf21("3","5","2","4","4","2","2","1") = "4"
    & skf21("3","5","2","4","4","2","3","1") = "4"
    & skf21("3","5","2","4","4","2","4","1") = "4"
    & skf21("3","5","2","4","4","2","5","1") = "4"
    & skf21("3","5","2","4","4","2","6","1") = "5"
    & skf21("3","5","2","4","4","2","7","1") = "6"
    & skf21("3","5","2","4","4","3","1","1") = "4"
    & skf21("3","5","2","4","4","3","2","1") = "4"
    & skf21("3","5","2","4","4","3","3","1") = "4"
    & skf21("3","5","2","4","4","3","4","1") = "4"
    & skf21("3","5","2","4","4","3","5","1") = "4"
    & skf21("3","5","2","4","4","3","6","1") = "5"
    & skf21("3","5","2","4","4","3","7","1") = "6"
    & skf21("3","5","2","4","4","4","1","1") = "4"
    & skf21("3","5","2","4","4","4","2","1") = "4"
    & skf21("3","5","2","4","4","4","3","1") = "4"
    & skf21("3","5","2","4","4","4","4","1") = "4"
    & skf21("3","5","2","4","4","4","5","1") = "4"
    & skf21("3","5","2","4","4","4","6","1") = "5"
    & skf21("3","5","2","4","4","4","7","1") = "6"
    & skf21("3","5","2","4","4","5","1","1") = "4"
    & skf21("3","5","2","4","4","5","2","1") = "4"
    & skf21("3","5","2","4","4","5","3","1") = "4"
    & skf21("3","5","2","4","4","5","4","1") = "4"
    & skf21("3","5","2","4","4","5","5","1") = "4"
    & skf21("3","5","2","4","4","5","6","1") = "5"
    & skf21("3","5","2","4","4","5","7","1") = "6"
    & skf21("3","5","2","4","4","6","1","1") = "5"
    & skf21("3","5","2","4","4","6","2","1") = "5"
    & skf21("3","5","2","4","4","6","3","1") = "5"
    & skf21("3","5","2","4","4","6","4","1") = "5"
    & skf21("3","5","2","4","4","6","5","1") = "5"
    & skf21("3","5","2","4","4","6","6","1") = "5"
    & skf21("3","5","2","4","4","6","7","1") = "6"
    & skf21("3","5","2","4","4","7","1","1") = "6"
    & skf21("3","5","2","4","4","7","2","1") = "6"
    & skf21("3","5","2","4","4","7","3","1") = "6"
    & skf21("3","5","2","4","4","7","4","1") = "6"
    & skf21("3","5","2","4","4","7","5","1") = "6"
    & skf21("3","5","2","4","4","7","6","1") = "6"
    & skf21("3","5","2","4","4","7","7","1") = "6"
    & skf21("3","5","2","4","5","1","1","1") = "4"
    & skf21("3","5","2","4","5","1","2","1") = "4"
    & skf21("3","5","2","4","5","1","3","1") = "4"
    & skf21("3","5","2","4","5","1","4","1") = "4"
    & skf21("3","5","2","4","5","1","5","1") = "4"
    & skf21("3","5","2","4","5","1","6","1") = "5"
    & skf21("3","5","2","4","5","1","7","1") = "6"
    & skf21("3","5","2","4","5","2","1","1") = "4"
    & skf21("3","5","2","4","5","2","2","1") = "4"
    & skf21("3","5","2","4","5","2","3","1") = "4"
    & skf21("3","5","2","4","5","2","4","1") = "4"
    & skf21("3","5","2","4","5","2","5","1") = "4"
    & skf21("3","5","2","4","5","2","6","1") = "5"
    & skf21("3","5","2","4","5","2","7","1") = "6"
    & skf21("3","5","2","4","5","3","1","1") = "4"
    & skf21("3","5","2","4","5","3","2","1") = "4"
    & skf21("3","5","2","4","5","3","3","1") = "4"
    & skf21("3","5","2","4","5","3","4","1") = "4"
    & skf21("3","5","2","4","5","3","5","1") = "4"
    & skf21("3","5","2","4","5","3","6","1") = "5"
    & skf21("3","5","2","4","5","3","7","1") = "6"
    & skf21("3","5","2","4","5","4","1","1") = "4"
    & skf21("3","5","2","4","5","4","2","1") = "4"
    & skf21("3","5","2","4","5","4","3","1") = "4"
    & skf21("3","5","2","4","5","4","4","1") = "4"
    & skf21("3","5","2","4","5","4","5","1") = "4"
    & skf21("3","5","2","4","5","4","6","1") = "5"
    & skf21("3","5","2","4","5","4","7","1") = "6"
    & skf21("3","5","2","4","5","5","1","1") = "4"
    & skf21("3","5","2","4","5","5","2","1") = "4"
    & skf21("3","5","2","4","5","5","3","1") = "4"
    & skf21("3","5","2","4","5","5","4","1") = "4"
    & skf21("3","5","2","4","5","5","5","1") = "4"
    & skf21("3","5","2","4","5","5","6","1") = "5"
    & skf21("3","5","2","4","5","5","7","1") = "6"
    & skf21("3","5","2","4","5","6","1","1") = "5"
    & skf21("3","5","2","4","5","6","2","1") = "5"
    & skf21("3","5","2","4","5","6","3","1") = "5"
    & skf21("3","5","2","4","5","6","4","1") = "5"
    & skf21("3","5","2","4","5","6","5","1") = "5"
    & skf21("3","5","2","4","5","6","6","1") = "5"
    & skf21("3","5","2","4","5","6","7","1") = "6"
    & skf21("3","5","2","4","5","7","1","1") = "6"
    & skf21("3","5","2","4","5","7","2","1") = "6"
    & skf21("3","5","2","4","5","7","3","1") = "6"
    & skf21("3","5","2","4","5","7","4","1") = "6"
    & skf21("3","5","2","4","5","7","5","1") = "6"
    & skf21("3","5","2","4","5","7","6","1") = "6"
    & skf21("3","5","2","4","5","7","7","1") = "6"
    & skf21("3","5","2","4","6","1","1","1") = "5"
    & skf21("3","5","2","4","6","1","2","1") = "5"
    & skf21("3","5","2","4","6","1","3","1") = "5"
    & skf21("3","5","2","4","6","1","4","1") = "5"
    & skf21("3","5","2","4","6","1","5","1") = "5"
    & skf21("3","5","2","4","6","1","6","1") = "5"
    & skf21("3","5","2","4","6","1","7","1") = "6"
    & skf21("3","5","2","4","6","2","1","1") = "5"
    & skf21("3","5","2","4","6","2","2","1") = "5"
    & skf21("3","5","2","4","6","2","3","1") = "5"
    & skf21("3","5","2","4","6","2","4","1") = "5"
    & skf21("3","5","2","4","6","2","5","1") = "5"
    & skf21("3","5","2","4","6","2","6","1") = "5"
    & skf21("3","5","2","4","6","2","7","1") = "6"
    & skf21("3","5","2","4","6","3","1","1") = "5"
    & skf21("3","5","2","4","6","3","2","1") = "5"
    & skf21("3","5","2","4","6","3","3","1") = "5"
    & skf21("3","5","2","4","6","3","4","1") = "5"
    & skf21("3","5","2","4","6","3","5","1") = "5"
    & skf21("3","5","2","4","6","3","6","1") = "5"
    & skf21("3","5","2","4","6","3","7","1") = "6"
    & skf21("3","5","2","4","6","4","1","1") = "5"
    & skf21("3","5","2","4","6","4","2","1") = "5"
    & skf21("3","5","2","4","6","4","3","1") = "5"
    & skf21("3","5","2","4","6","4","4","1") = "5"
    & skf21("3","5","2","4","6","4","5","1") = "5"
    & skf21("3","5","2","4","6","4","6","1") = "5"
    & skf21("3","5","2","4","6","4","7","1") = "6"
    & skf21("3","5","2","4","6","5","1","1") = "5"
    & skf21("3","5","2","4","6","5","2","1") = "5"
    & skf21("3","5","2","4","6","5","3","1") = "5"
    & skf21("3","5","2","4","6","5","4","1") = "5"
    & skf21("3","5","2","4","6","5","5","1") = "5"
    & skf21("3","5","2","4","6","5","6","1") = "5"
    & skf21("3","5","2","4","6","5","7","1") = "6"
    & skf21("3","5","2","4","6","6","1","1") = "5"
    & skf21("3","5","2","4","6","6","2","1") = "5"
    & skf21("3","5","2","4","6","6","3","1") = "5"
    & skf21("3","5","2","4","6","6","4","1") = "5"
    & skf21("3","5","2","4","6","6","5","1") = "5"
    & skf21("3","5","2","4","6","6","6","1") = "5"
    & skf21("3","5","2","4","6","6","7","1") = "6"
    & skf21("3","5","2","4","6","7","1","1") = "6"
    & skf21("3","5","2","4","6","7","2","1") = "6"
    & skf21("3","5","2","4","6","7","3","1") = "6"
    & skf21("3","5","2","4","6","7","4","1") = "6"
    & skf21("3","5","2","4","6","7","5","1") = "6"
    & skf21("3","5","2","4","6","7","6","1") = "6"
    & skf21("3","5","2","4","6","7","7","1") = "6"
    & skf21("3","5","2","4","7","1","1","1") = "6"
    & skf21("3","5","2","4","7","1","2","1") = "6"
    & skf21("3","5","2","4","7","1","3","1") = "6"
    & skf21("3","5","2","4","7","1","4","1") = "6"
    & skf21("3","5","2","4","7","1","5","1") = "6"
    & skf21("3","5","2","4","7","1","6","1") = "6"
    & skf21("3","5","2","4","7","1","7","1") = "6"
    & skf21("3","5","2","4","7","2","1","1") = "6"
    & skf21("3","5","2","4","7","2","2","1") = "6"
    & skf21("3","5","2","4","7","2","3","1") = "6"
    & skf21("3","5","2","4","7","2","4","1") = "6"
    & skf21("3","5","2","4","7","2","5","1") = "6"
    & skf21("3","5","2","4","7","2","6","1") = "6"
    & skf21("3","5","2","4","7","2","7","1") = "6"
    & skf21("3","5","2","4","7","3","1","1") = "6"
    & skf21("3","5","2","4","7","3","2","1") = "6"
    & skf21("3","5","2","4","7","3","3","1") = "6"
    & skf21("3","5","2","4","7","3","4","1") = "6"
    & skf21("3","5","2","4","7","3","5","1") = "6"
    & skf21("3","5","2","4","7","3","6","1") = "6"
    & skf21("3","5","2","4","7","3","7","1") = "6"
    & skf21("3","5","2","4","7","4","1","1") = "6"
    & skf21("3","5","2","4","7","4","2","1") = "6"
    & skf21("3","5","2","4","7","4","3","1") = "6"
    & skf21("3","5","2","4","7","4","4","1") = "6"
    & skf21("3","5","2","4","7","4","5","1") = "6"
    & skf21("3","5","2","4","7","4","6","1") = "6"
    & skf21("3","5","2","4","7","4","7","1") = "6"
    & skf21("3","5","2","4","7","5","1","1") = "6"
    & skf21("3","5","2","4","7","5","2","1") = "6"
    & skf21("3","5","2","4","7","5","3","1") = "6"
    & skf21("3","5","2","4","7","5","4","1") = "6"
    & skf21("3","5","2","4","7","5","5","1") = "6"
    & skf21("3","5","2","4","7","5","6","1") = "6"
    & skf21("3","5","2","4","7","5","7","1") = "6"
    & skf21("3","5","2","4","7","6","1","1") = "6"
    & skf21("3","5","2","4","7","6","2","1") = "6"
    & skf21("3","5","2","4","7","6","3","1") = "6"
    & skf21("3","5","2","4","7","6","4","1") = "6"
    & skf21("3","5","2","4","7","6","5","1") = "6"
    & skf21("3","5","2","4","7","6","6","1") = "6"
    & skf21("3","5","2","4","7","6","7","1") = "6"
    & skf21("3","5","2","4","7","7","1","1") = "6"
    & skf21("3","5","2","4","7","7","2","1") = "6"
    & skf21("3","5","2","4","7","7","3","1") = "6"
    & skf21("3","5","2","4","7","7","4","1") = "6"
    & skf21("3","5","2","4","7","7","5","1") = "6"
    & skf21("3","5","2","4","7","7","6","1") = "6"
    & skf21("3","5","2","4","7","7","7","1") = "6"
    & skf21("3","5","2","5","1","1","1","1") = "4"
    & skf21("3","5","2","5","1","1","2","1") = "4"
    & skf21("3","5","2","5","1","1","3","1") = "4"
    & skf21("3","5","2","5","1","1","4","1") = "4"
    & skf21("3","5","2","5","1","1","5","1") = "4"
    & skf21("3","5","2","5","1","1","6","1") = "5"
    & skf21("3","5","2","5","1","1","7","1") = "6"
    & skf21("3","5","2","5","1","2","1","1") = "4"
    & skf21("3","5","2","5","1","2","2","1") = "4"
    & skf21("3","5","2","5","1","2","3","1") = "4"
    & skf21("3","5","2","5","1","2","4","1") = "4"
    & skf21("3","5","2","5","1","2","5","1") = "4"
    & skf21("3","5","2","5","1","2","6","1") = "5"
    & skf21("3","5","2","5","1","2","7","1") = "6"
    & skf21("3","5","2","5","1","3","1","1") = "4"
    & skf21("3","5","2","5","1","3","2","1") = "4"
    & skf21("3","5","2","5","1","3","3","1") = "4"
    & skf21("3","5","2","5","1","3","4","1") = "4"
    & skf21("3","5","2","5","1","3","5","1") = "4"
    & skf21("3","5","2","5","1","3","6","1") = "5"
    & skf21("3","5","2","5","1","3","7","1") = "6"
    & skf21("3","5","2","5","1","4","1","1") = "4"
    & skf21("3","5","2","5","1","4","2","1") = "4"
    & skf21("3","5","2","5","1","4","3","1") = "4"
    & skf21("3","5","2","5","1","4","4","1") = "4"
    & skf21("3","5","2","5","1","4","5","1") = "4"
    & skf21("3","5","2","5","1","4","6","1") = "5"
    & skf21("3","5","2","5","1","4","7","1") = "6"
    & skf21("3","5","2","5","1","5","1","1") = "4"
    & skf21("3","5","2","5","1","5","2","1") = "4"
    & skf21("3","5","2","5","1","5","3","1") = "4"
    & skf21("3","5","2","5","1","5","4","1") = "4"
    & skf21("3","5","2","5","1","5","5","1") = "4"
    & skf21("3","5","2","5","1","5","6","1") = "5"
    & skf21("3","5","2","5","1","5","7","1") = "6"
    & skf21("3","5","2","5","1","6","1","1") = "5"
    & skf21("3","5","2","5","1","6","2","1") = "5"
    & skf21("3","5","2","5","1","6","3","1") = "5"
    & skf21("3","5","2","5","1","6","4","1") = "5"
    & skf21("3","5","2","5","1","6","5","1") = "5"
    & skf21("3","5","2","5","1","6","6","1") = "5"
    & skf21("3","5","2","5","1","6","7","1") = "6"
    & skf21("3","5","2","5","1","7","1","1") = "6"
    & skf21("3","5","2","5","1","7","2","1") = "6"
    & skf21("3","5","2","5","1","7","3","1") = "6"
    & skf21("3","5","2","5","1","7","4","1") = "6"
    & skf21("3","5","2","5","1","7","5","1") = "6"
    & skf21("3","5","2","5","1","7","6","1") = "6"
    & skf21("3","5","2","5","1","7","7","1") = "6"
    & skf21("3","5","2","5","2","1","1","1") = "4"
    & skf21("3","5","2","5","2","1","2","1") = "4"
    & skf21("3","5","2","5","2","1","3","1") = "4"
    & skf21("3","5","2","5","2","1","4","1") = "4"
    & skf21("3","5","2","5","2","1","5","1") = "4"
    & skf21("3","5","2","5","2","1","6","1") = "5"
    & skf21("3","5","2","5","2","1","7","1") = "6"
    & skf21("3","5","2","5","2","2","1","1") = "4"
    & skf21("3","5","2","5","2","2","2","1") = "4"
    & skf21("3","5","2","5","2","2","3","1") = "4"
    & skf21("3","5","2","5","2","2","4","1") = "4"
    & skf21("3","5","2","5","2","2","5","1") = "4"
    & skf21("3","5","2","5","2","2","6","1") = "5"
    & skf21("3","5","2","5","2","2","7","1") = "6"
    & skf21("3","5","2","5","2","3","1","1") = "4"
    & skf21("3","5","2","5","2","3","2","1") = "4"
    & skf21("3","5","2","5","2","3","3","1") = "4"
    & skf21("3","5","2","5","2","3","4","1") = "4"
    & skf21("3","5","2","5","2","3","5","1") = "4"
    & skf21("3","5","2","5","2","3","6","1") = "5"
    & skf21("3","5","2","5","2","3","7","1") = "6"
    & skf21("3","5","2","5","2","4","1","1") = "4"
    & skf21("3","5","2","5","2","4","2","1") = "4"
    & skf21("3","5","2","5","2","4","3","1") = "4"
    & skf21("3","5","2","5","2","4","4","1") = "4"
    & skf21("3","5","2","5","2","4","5","1") = "4"
    & skf21("3","5","2","5","2","4","6","1") = "5"
    & skf21("3","5","2","5","2","4","7","1") = "6"
    & skf21("3","5","2","5","2","5","1","1") = "4"
    & skf21("3","5","2","5","2","5","2","1") = "4"
    & skf21("3","5","2","5","2","5","3","1") = "4"
    & skf21("3","5","2","5","2","5","4","1") = "4"
    & skf21("3","5","2","5","2","5","5","1") = "4"
    & skf21("3","5","2","5","2","5","6","1") = "5"
    & skf21("3","5","2","5","2","5","7","1") = "6"
    & skf21("3","5","2","5","2","6","1","1") = "5"
    & skf21("3","5","2","5","2","6","2","1") = "5"
    & skf21("3","5","2","5","2","6","3","1") = "5"
    & skf21("3","5","2","5","2","6","4","1") = "5"
    & skf21("3","5","2","5","2","6","5","1") = "5"
    & skf21("3","5","2","5","2","6","6","1") = "5"
    & skf21("3","5","2","5","2","6","7","1") = "6"
    & skf21("3","5","2","5","2","7","1","1") = "6"
    & skf21("3","5","2","5","2","7","2","1") = "6"
    & skf21("3","5","2","5","2","7","3","1") = "6"
    & skf21("3","5","2","5","2","7","4","1") = "6"
    & skf21("3","5","2","5","2","7","5","1") = "6"
    & skf21("3","5","2","5","2","7","6","1") = "6"
    & skf21("3","5","2","5","2","7","7","1") = "6"
    & skf21("3","5","2","5","3","1","1","1") = "4"
    & skf21("3","5","2","5","3","1","2","1") = "4"
    & skf21("3","5","2","5","3","1","3","1") = "4"
    & skf21("3","5","2","5","3","1","4","1") = "4"
    & skf21("3","5","2","5","3","1","5","1") = "4"
    & skf21("3","5","2","5","3","1","6","1") = "5"
    & skf21("3","5","2","5","3","1","7","1") = "6"
    & skf21("3","5","2","5","3","2","1","1") = "4"
    & skf21("3","5","2","5","3","2","2","1") = "4"
    & skf21("3","5","2","5","3","2","3","1") = "4"
    & skf21("3","5","2","5","3","2","4","1") = "4"
    & skf21("3","5","2","5","3","2","5","1") = "4"
    & skf21("3","5","2","5","3","2","6","1") = "5"
    & skf21("3","5","2","5","3","2","7","1") = "6"
    & skf21("3","5","2","5","3","3","1","1") = "4"
    & skf21("3","5","2","5","3","3","2","1") = "4"
    & skf21("3","5","2","5","3","3","3","1") = "4"
    & skf21("3","5","2","5","3","3","4","1") = "4"
    & skf21("3","5","2","5","3","3","5","1") = "4"
    & skf21("3","5","2","5","3","3","6","1") = "5"
    & skf21("3","5","2","5","3","3","7","1") = "6"
    & skf21("3","5","2","5","3","4","1","1") = "4"
    & skf21("3","5","2","5","3","4","2","1") = "4"
    & skf21("3","5","2","5","3","4","3","1") = "4"
    & skf21("3","5","2","5","3","4","4","1") = "4"
    & skf21("3","5","2","5","3","4","5","1") = "4"
    & skf21("3","5","2","5","3","4","6","1") = "5"
    & skf21("3","5","2","5","3","4","7","1") = "6"
    & skf21("3","5","2","5","3","5","1","1") = "4"
    & skf21("3","5","2","5","3","5","2","1") = "4"
    & skf21("3","5","2","5","3","5","3","1") = "4"
    & skf21("3","5","2","5","3","5","4","1") = "4"
    & skf21("3","5","2","5","3","5","5","1") = "4"
    & skf21("3","5","2","5","3","5","6","1") = "5"
    & skf21("3","5","2","5","3","5","7","1") = "6"
    & skf21("3","5","2","5","3","6","1","1") = "5"
    & skf21("3","5","2","5","3","6","2","1") = "5"
    & skf21("3","5","2","5","3","6","3","1") = "5"
    & skf21("3","5","2","5","3","6","4","1") = "5"
    & skf21("3","5","2","5","3","6","5","1") = "5"
    & skf21("3","5","2","5","3","6","6","1") = "5"
    & skf21("3","5","2","5","3","6","7","1") = "6"
    & skf21("3","5","2","5","3","7","1","1") = "6"
    & skf21("3","5","2","5","3","7","2","1") = "6"
    & skf21("3","5","2","5","3","7","3","1") = "6"
    & skf21("3","5","2","5","3","7","4","1") = "6"
    & skf21("3","5","2","5","3","7","5","1") = "6"
    & skf21("3","5","2","5","3","7","6","1") = "6"
    & skf21("3","5","2","5","3","7","7","1") = "6"
    & skf21("3","5","2","5","4","1","1","1") = "4"
    & skf21("3","5","2","5","4","1","2","1") = "4"
    & skf21("3","5","2","5","4","1","3","1") = "4"
    & skf21("3","5","2","5","4","1","4","1") = "4"
    & skf21("3","5","2","5","4","1","5","1") = "4"
    & skf21("3","5","2","5","4","1","6","1") = "5"
    & skf21("3","5","2","5","4","1","7","1") = "6"
    & skf21("3","5","2","5","4","2","1","1") = "4"
    & skf21("3","5","2","5","4","2","2","1") = "4"
    & skf21("3","5","2","5","4","2","3","1") = "4"
    & skf21("3","5","2","5","4","2","4","1") = "4"
    & skf21("3","5","2","5","4","2","5","1") = "4"
    & skf21("3","5","2","5","4","2","6","1") = "5"
    & skf21("3","5","2","5","4","2","7","1") = "6"
    & skf21("3","5","2","5","4","3","1","1") = "4"
    & skf21("3","5","2","5","4","3","2","1") = "4"
    & skf21("3","5","2","5","4","3","3","1") = "4"
    & skf21("3","5","2","5","4","3","4","1") = "4"
    & skf21("3","5","2","5","4","3","5","1") = "4"
    & skf21("3","5","2","5","4","3","6","1") = "5"
    & skf21("3","5","2","5","4","3","7","1") = "6"
    & skf21("3","5","2","5","4","4","1","1") = "4"
    & skf21("3","5","2","5","4","4","2","1") = "4"
    & skf21("3","5","2","5","4","4","3","1") = "4"
    & skf21("3","5","2","5","4","4","4","1") = "4"
    & skf21("3","5","2","5","4","4","5","1") = "4"
    & skf21("3","5","2","5","4","4","6","1") = "5"
    & skf21("3","5","2","5","4","4","7","1") = "6"
    & skf21("3","5","2","5","4","5","1","1") = "4"
    & skf21("3","5","2","5","4","5","2","1") = "4"
    & skf21("3","5","2","5","4","5","3","1") = "4"
    & skf21("3","5","2","5","4","5","4","1") = "4"
    & skf21("3","5","2","5","4","5","5","1") = "4"
    & skf21("3","5","2","5","4","5","6","1") = "5"
    & skf21("3","5","2","5","4","5","7","1") = "6"
    & skf21("3","5","2","5","4","6","1","1") = "5"
    & skf21("3","5","2","5","4","6","2","1") = "5"
    & skf21("3","5","2","5","4","6","3","1") = "5"
    & skf21("3","5","2","5","4","6","4","1") = "5"
    & skf21("3","5","2","5","4","6","5","1") = "5"
    & skf21("3","5","2","5","4","6","6","1") = "5"
    & skf21("3","5","2","5","4","6","7","1") = "6"
    & skf21("3","5","2","5","4","7","1","1") = "6"
    & skf21("3","5","2","5","4","7","2","1") = "6"
    & skf21("3","5","2","5","4","7","3","1") = "6"
    & skf21("3","5","2","5","4","7","4","1") = "6"
    & skf21("3","5","2","5","4","7","5","1") = "6"
    & skf21("3","5","2","5","4","7","6","1") = "6"
    & skf21("3","5","2","5","4","7","7","1") = "6"
    & skf21("3","5","2","5","5","1","1","1") = "4"
    & skf21("3","5","2","5","5","1","2","1") = "4"
    & skf21("3","5","2","5","5","1","3","1") = "4"
    & skf21("3","5","2","5","5","1","4","1") = "4"
    & skf21("3","5","2","5","5","1","5","1") = "4"
    & skf21("3","5","2","5","5","1","6","1") = "5"
    & skf21("3","5","2","5","5","1","7","1") = "6"
    & skf21("3","5","2","5","5","2","1","1") = "4"
    & skf21("3","5","2","5","5","2","2","1") = "4"
    & skf21("3","5","2","5","5","2","3","1") = "4"
    & skf21("3","5","2","5","5","2","4","1") = "4"
    & skf21("3","5","2","5","5","2","5","1") = "4"
    & skf21("3","5","2","5","5","2","6","1") = "5"
    & skf21("3","5","2","5","5","2","7","1") = "6"
    & skf21("3","5","2","5","5","3","1","1") = "4"
    & skf21("3","5","2","5","5","3","2","1") = "4"
    & skf21("3","5","2","5","5","3","3","1") = "4"
    & skf21("3","5","2","5","5","3","4","1") = "4"
    & skf21("3","5","2","5","5","3","5","1") = "4"
    & skf21("3","5","2","5","5","3","6","1") = "5"
    & skf21("3","5","2","5","5","3","7","1") = "6"
    & skf21("3","5","2","5","5","4","1","1") = "4"
    & skf21("3","5","2","5","5","4","2","1") = "4"
    & skf21("3","5","2","5","5","4","3","1") = "4"
    & skf21("3","5","2","5","5","4","4","1") = "4"
    & skf21("3","5","2","5","5","4","5","1") = "4"
    & skf21("3","5","2","5","5","4","6","1") = "5"
    & skf21("3","5","2","5","5","4","7","1") = "6"
    & skf21("3","5","2","5","5","5","1","1") = "4"
    & skf21("3","5","2","5","5","5","2","1") = "4"
    & skf21("3","5","2","5","5","5","3","1") = "4"
    & skf21("3","5","2","5","5","5","4","1") = "4"
    & skf21("3","5","2","5","5","5","5","1") = "4"
    & skf21("3","5","2","5","5","5","6","1") = "5"
    & skf21("3","5","2","5","5","5","7","1") = "6"
    & skf21("3","5","2","5","5","6","1","1") = "5"
    & skf21("3","5","2","5","5","6","2","1") = "5"
    & skf21("3","5","2","5","5","6","3","1") = "5"
    & skf21("3","5","2","5","5","6","4","1") = "5"
    & skf21("3","5","2","5","5","6","5","1") = "5"
    & skf21("3","5","2","5","5","6","6","1") = "5"
    & skf21("3","5","2","5","5","6","7","1") = "6"
    & skf21("3","5","2","5","5","7","1","1") = "6"
    & skf21("3","5","2","5","5","7","2","1") = "6"
    & skf21("3","5","2","5","5","7","3","1") = "6"
    & skf21("3","5","2","5","5","7","4","1") = "6"
    & skf21("3","5","2","5","5","7","5","1") = "6"
    & skf21("3","5","2","5","5","7","6","1") = "6"
    & skf21("3","5","2","5","5","7","7","1") = "6"
    & skf21("3","5","2","5","6","1","1","1") = "5"
    & skf21("3","5","2","5","6","1","2","1") = "5"
    & skf21("3","5","2","5","6","1","3","1") = "5"
    & skf21("3","5","2","5","6","1","4","1") = "5"
    & skf21("3","5","2","5","6","1","5","1") = "5"
    & skf21("3","5","2","5","6","1","6","1") = "5"
    & skf21("3","5","2","5","6","1","7","1") = "6"
    & skf21("3","5","2","5","6","2","1","1") = "5"
    & skf21("3","5","2","5","6","2","2","1") = "5"
    & skf21("3","5","2","5","6","2","3","1") = "5"
    & skf21("3","5","2","5","6","2","4","1") = "5"
    & skf21("3","5","2","5","6","2","5","1") = "5"
    & skf21("3","5","2","5","6","2","6","1") = "5"
    & skf21("3","5","2","5","6","2","7","1") = "6"
    & skf21("3","5","2","5","6","3","1","1") = "5"
    & skf21("3","5","2","5","6","3","2","1") = "5"
    & skf21("3","5","2","5","6","3","3","1") = "5"
    & skf21("3","5","2","5","6","3","4","1") = "5"
    & skf21("3","5","2","5","6","3","5","1") = "5"
    & skf21("3","5","2","5","6","3","6","1") = "5"
    & skf21("3","5","2","5","6","3","7","1") = "6"
    & skf21("3","5","2","5","6","4","1","1") = "5"
    & skf21("3","5","2","5","6","4","2","1") = "5"
    & skf21("3","5","2","5","6","4","3","1") = "5"
    & skf21("3","5","2","5","6","4","4","1") = "5"
    & skf21("3","5","2","5","6","4","5","1") = "5"
    & skf21("3","5","2","5","6","4","6","1") = "5"
    & skf21("3","5","2","5","6","4","7","1") = "6"
    & skf21("3","5","2","5","6","5","1","1") = "5"
    & skf21("3","5","2","5","6","5","2","1") = "5"
    & skf21("3","5","2","5","6","5","3","1") = "5"
    & skf21("3","5","2","5","6","5","4","1") = "5"
    & skf21("3","5","2","5","6","5","5","1") = "5"
    & skf21("3","5","2","5","6","5","6","1") = "5"
    & skf21("3","5","2","5","6","5","7","1") = "6"
    & skf21("3","5","2","5","6","6","1","1") = "5"
    & skf21("3","5","2","5","6","6","2","1") = "5"
    & skf21("3","5","2","5","6","6","3","1") = "5"
    & skf21("3","5","2","5","6","6","4","1") = "5"
    & skf21("3","5","2","5","6","6","5","1") = "5"
    & skf21("3","5","2","5","6","6","6","1") = "5"
    & skf21("3","5","2","5","6","6","7","1") = "6"
    & skf21("3","5","2","5","6","7","1","1") = "6"
    & skf21("3","5","2","5","6","7","2","1") = "6"
    & skf21("3","5","2","5","6","7","3","1") = "6"
    & skf21("3","5","2","5","6","7","4","1") = "6"
    & skf21("3","5","2","5","6","7","5","1") = "6"
    & skf21("3","5","2","5","6","7","6","1") = "6"
    & skf21("3","5","2","5","6","7","7","1") = "6"
    & skf21("3","5","2","5","7","1","1","1") = "6"
    & skf21("3","5","2","5","7","1","2","1") = "6"
    & skf21("3","5","2","5","7","1","3","1") = "6"
    & skf21("3","5","2","5","7","1","4","1") = "6"
    & skf21("3","5","2","5","7","1","5","1") = "6"
    & skf21("3","5","2","5","7","1","6","1") = "6"
    & skf21("3","5","2","5","7","1","7","1") = "6"
    & skf21("3","5","2","5","7","2","1","1") = "6"
    & skf21("3","5","2","5","7","2","2","1") = "6"
    & skf21("3","5","2","5","7","2","3","1") = "6"
    & skf21("3","5","2","5","7","2","4","1") = "6"
    & skf21("3","5","2","5","7","2","5","1") = "6"
    & skf21("3","5","2","5","7","2","6","1") = "6"
    & skf21("3","5","2","5","7","2","7","1") = "6"
    & skf21("3","5","2","5","7","3","1","1") = "6"
    & skf21("3","5","2","5","7","3","2","1") = "6"
    & skf21("3","5","2","5","7","3","3","1") = "6"
    & skf21("3","5","2","5","7","3","4","1") = "6"
    & skf21("3","5","2","5","7","3","5","1") = "6"
    & skf21("3","5","2","5","7","3","6","1") = "6"
    & skf21("3","5","2","5","7","3","7","1") = "6"
    & skf21("3","5","2","5","7","4","1","1") = "6"
    & skf21("3","5","2","5","7","4","2","1") = "6"
    & skf21("3","5","2","5","7","4","3","1") = "6"
    & skf21("3","5","2","5","7","4","4","1") = "6"
    & skf21("3","5","2","5","7","4","5","1") = "6"
    & skf21("3","5","2","5","7","4","6","1") = "6"
    & skf21("3","5","2","5","7","4","7","1") = "6"
    & skf21("3","5","2","5","7","5","1","1") = "6"
    & skf21("3","5","2","5","7","5","2","1") = "6"
    & skf21("3","5","2","5","7","5","3","1") = "6"
    & skf21("3","5","2","5","7","5","4","1") = "6"
    & skf21("3","5","2","5","7","5","5","1") = "6"
    & skf21("3","5","2","5","7","5","6","1") = "6"
    & skf21("3","5","2","5","7","5","7","1") = "6"
    & skf21("3","5","2","5","7","6","1","1") = "6"
    & skf21("3","5","2","5","7","6","2","1") = "6"
    & skf21("3","5","2","5","7","6","3","1") = "6"
    & skf21("3","5","2","5","7","6","4","1") = "6"
    & skf21("3","5","2","5","7","6","5","1") = "6"
    & skf21("3","5","2","5","7","6","6","1") = "6"
    & skf21("3","5","2","5","7","6","7","1") = "6"
    & skf21("3","5","2","5","7","7","1","1") = "6"
    & skf21("3","5","2","5","7","7","2","1") = "6"
    & skf21("3","5","2","5","7","7","3","1") = "6"
    & skf21("3","5","2","5","7","7","4","1") = "6"
    & skf21("3","5","2","5","7","7","5","1") = "6"
    & skf21("3","5","2","5","7","7","6","1") = "6"
    & skf21("3","5","2","5","7","7","7","1") = "6"
    & skf21("3","5","2","6","1","1","1","1") = "5"
    & skf21("3","5","2","6","1","1","2","1") = "5"
    & skf21("3","5","2","6","1","1","3","1") = "5"
    & skf21("3","5","2","6","1","1","4","1") = "5"
    & skf21("3","5","2","6","1","1","5","1") = "5"
    & skf21("3","5","2","6","1","1","6","1") = "5"
    & skf21("3","5","2","6","1","1","7","1") = "6"
    & skf21("3","5","2","6","1","2","1","1") = "5"
    & skf21("3","5","2","6","1","2","2","1") = "5"
    & skf21("3","5","2","6","1","2","3","1") = "5"
    & skf21("3","5","2","6","1","2","4","1") = "5"
    & skf21("3","5","2","6","1","2","5","1") = "5"
    & skf21("3","5","2","6","1","2","6","1") = "5"
    & skf21("3","5","2","6","1","2","7","1") = "6"
    & skf21("3","5","2","6","1","3","1","1") = "5"
    & skf21("3","5","2","6","1","3","2","1") = "5"
    & skf21("3","5","2","6","1","3","3","1") = "5"
    & skf21("3","5","2","6","1","3","4","1") = "5"
    & skf21("3","5","2","6","1","3","5","1") = "5"
    & skf21("3","5","2","6","1","3","6","1") = "5"
    & skf21("3","5","2","6","1","3","7","1") = "6"
    & skf21("3","5","2","6","1","4","1","1") = "5"
    & skf21("3","5","2","6","1","4","2","1") = "5"
    & skf21("3","5","2","6","1","4","3","1") = "5"
    & skf21("3","5","2","6","1","4","4","1") = "5"
    & skf21("3","5","2","6","1","4","5","1") = "5"
    & skf21("3","5","2","6","1","4","6","1") = "5"
    & skf21("3","5","2","6","1","4","7","1") = "6"
    & skf21("3","5","2","6","1","5","1","1") = "5"
    & skf21("3","5","2","6","1","5","2","1") = "5"
    & skf21("3","5","2","6","1","5","3","1") = "5"
    & skf21("3","5","2","6","1","5","4","1") = "5"
    & skf21("3","5","2","6","1","5","5","1") = "5"
    & skf21("3","5","2","6","1","5","6","1") = "5"
    & skf21("3","5","2","6","1","5","7","1") = "6"
    & skf21("3","5","2","6","1","6","1","1") = "5"
    & skf21("3","5","2","6","1","6","2","1") = "5"
    & skf21("3","5","2","6","1","6","3","1") = "5"
    & skf21("3","5","2","6","1","6","4","1") = "5"
    & skf21("3","5","2","6","1","6","5","1") = "5"
    & skf21("3","5","2","6","1","6","6","1") = "5"
    & skf21("3","5","2","6","1","6","7","1") = "6"
    & skf21("3","5","2","6","1","7","1","1") = "6"
    & skf21("3","5","2","6","1","7","2","1") = "6"
    & skf21("3","5","2","6","1","7","3","1") = "6"
    & skf21("3","5","2","6","1","7","4","1") = "6"
    & skf21("3","5","2","6","1","7","5","1") = "6"
    & skf21("3","5","2","6","1","7","6","1") = "6"
    & skf21("3","5","2","6","1","7","7","1") = "6"
    & skf21("3","5","2","6","2","1","1","1") = "5"
    & skf21("3","5","2","6","2","1","2","1") = "5"
    & skf21("3","5","2","6","2","1","3","1") = "5"
    & skf21("3","5","2","6","2","1","4","1") = "5"
    & skf21("3","5","2","6","2","1","5","1") = "5"
    & skf21("3","5","2","6","2","1","6","1") = "5"
    & skf21("3","5","2","6","2","1","7","1") = "6"
    & skf21("3","5","2","6","2","2","1","1") = "5"
    & skf21("3","5","2","6","2","2","2","1") = "5"
    & skf21("3","5","2","6","2","2","3","1") = "5"
    & skf21("3","5","2","6","2","2","4","1") = "5"
    & skf21("3","5","2","6","2","2","5","1") = "5"
    & skf21("3","5","2","6","2","2","6","1") = "5"
    & skf21("3","5","2","6","2","2","7","1") = "6"
    & skf21("3","5","2","6","2","3","1","1") = "5"
    & skf21("3","5","2","6","2","3","2","1") = "5"
    & skf21("3","5","2","6","2","3","3","1") = "5"
    & skf21("3","5","2","6","2","3","4","1") = "5"
    & skf21("3","5","2","6","2","3","5","1") = "5"
    & skf21("3","5","2","6","2","3","6","1") = "5"
    & skf21("3","5","2","6","2","3","7","1") = "6"
    & skf21("3","5","2","6","2","4","1","1") = "5"
    & skf21("3","5","2","6","2","4","2","1") = "5"
    & skf21("3","5","2","6","2","4","3","1") = "5"
    & skf21("3","5","2","6","2","4","4","1") = "5"
    & skf21("3","5","2","6","2","4","5","1") = "5"
    & skf21("3","5","2","6","2","4","6","1") = "5"
    & skf21("3","5","2","6","2","4","7","1") = "6"
    & skf21("3","5","2","6","2","5","1","1") = "5"
    & skf21("3","5","2","6","2","5","2","1") = "5"
    & skf21("3","5","2","6","2","5","3","1") = "5"
    & skf21("3","5","2","6","2","5","4","1") = "5"
    & skf21("3","5","2","6","2","5","5","1") = "5"
    & skf21("3","5","2","6","2","5","6","1") = "5"
    & skf21("3","5","2","6","2","5","7","1") = "6"
    & skf21("3","5","2","6","2","6","1","1") = "5"
    & skf21("3","5","2","6","2","6","2","1") = "5"
    & skf21("3","5","2","6","2","6","3","1") = "5"
    & skf21("3","5","2","6","2","6","4","1") = "5"
    & skf21("3","5","2","6","2","6","5","1") = "5"
    & skf21("3","5","2","6","2","6","6","1") = "5"
    & skf21("3","5","2","6","2","6","7","1") = "6"
    & skf21("3","5","2","6","2","7","1","1") = "6"
    & skf21("3","5","2","6","2","7","2","1") = "6"
    & skf21("3","5","2","6","2","7","3","1") = "6"
    & skf21("3","5","2","6","2","7","4","1") = "6"
    & skf21("3","5","2","6","2","7","5","1") = "6"
    & skf21("3","5","2","6","2","7","6","1") = "6"
    & skf21("3","5","2","6","2","7","7","1") = "6"
    & skf21("3","5","2","6","3","1","1","1") = "5"
    & skf21("3","5","2","6","3","1","2","1") = "5"
    & skf21("3","5","2","6","3","1","3","1") = "5"
    & skf21("3","5","2","6","3","1","4","1") = "5"
    & skf21("3","5","2","6","3","1","5","1") = "5"
    & skf21("3","5","2","6","3","1","6","1") = "5"
    & skf21("3","5","2","6","3","1","7","1") = "6"
    & skf21("3","5","2","6","3","2","1","1") = "5"
    & skf21("3","5","2","6","3","2","2","1") = "5"
    & skf21("3","5","2","6","3","2","3","1") = "5"
    & skf21("3","5","2","6","3","2","4","1") = "5"
    & skf21("3","5","2","6","3","2","5","1") = "5"
    & skf21("3","5","2","6","3","2","6","1") = "5"
    & skf21("3","5","2","6","3","2","7","1") = "6"
    & skf21("3","5","2","6","3","3","1","1") = "5"
    & skf21("3","5","2","6","3","3","2","1") = "5"
    & skf21("3","5","2","6","3","3","3","1") = "5"
    & skf21("3","5","2","6","3","3","4","1") = "5"
    & skf21("3","5","2","6","3","3","5","1") = "5"
    & skf21("3","5","2","6","3","3","6","1") = "5"
    & skf21("3","5","2","6","3","3","7","1") = "6"
    & skf21("3","5","2","6","3","4","1","1") = "5"
    & skf21("3","5","2","6","3","4","2","1") = "5"
    & skf21("3","5","2","6","3","4","3","1") = "5"
    & skf21("3","5","2","6","3","4","4","1") = "5"
    & skf21("3","5","2","6","3","4","5","1") = "5"
    & skf21("3","5","2","6","3","4","6","1") = "5"
    & skf21("3","5","2","6","3","4","7","1") = "6"
    & skf21("3","5","2","6","3","5","1","1") = "5"
    & skf21("3","5","2","6","3","5","2","1") = "5"
    & skf21("3","5","2","6","3","5","3","1") = "5"
    & skf21("3","5","2","6","3","5","4","1") = "5"
    & skf21("3","5","2","6","3","5","5","1") = "5"
    & skf21("3","5","2","6","3","5","6","1") = "5"
    & skf21("3","5","2","6","3","5","7","1") = "6"
    & skf21("3","5","2","6","3","6","1","1") = "5"
    & skf21("3","5","2","6","3","6","2","1") = "5"
    & skf21("3","5","2","6","3","6","3","1") = "5"
    & skf21("3","5","2","6","3","6","4","1") = "5"
    & skf21("3","5","2","6","3","6","5","1") = "5"
    & skf21("3","5","2","6","3","6","6","1") = "5"
    & skf21("3","5","2","6","3","6","7","1") = "6"
    & skf21("3","5","2","6","3","7","1","1") = "6"
    & skf21("3","5","2","6","3","7","2","1") = "6"
    & skf21("3","5","2","6","3","7","3","1") = "6"
    & skf21("3","5","2","6","3","7","4","1") = "6"
    & skf21("3","5","2","6","3","7","5","1") = "6"
    & skf21("3","5","2","6","3","7","6","1") = "6"
    & skf21("3","5","2","6","3","7","7","1") = "6"
    & skf21("3","5","2","6","4","1","1","1") = "5"
    & skf21("3","5","2","6","4","1","2","1") = "5"
    & skf21("3","5","2","6","4","1","3","1") = "5"
    & skf21("3","5","2","6","4","1","4","1") = "5"
    & skf21("3","5","2","6","4","1","5","1") = "5"
    & skf21("3","5","2","6","4","1","6","1") = "5"
    & skf21("3","5","2","6","4","1","7","1") = "6"
    & skf21("3","5","2","6","4","2","1","1") = "5"
    & skf21("3","5","2","6","4","2","2","1") = "5"
    & skf21("3","5","2","6","4","2","3","1") = "5"
    & skf21("3","5","2","6","4","2","4","1") = "5"
    & skf21("3","5","2","6","4","2","5","1") = "5"
    & skf21("3","5","2","6","4","2","6","1") = "5"
    & skf21("3","5","2","6","4","2","7","1") = "6"
    & skf21("3","5","2","6","4","3","1","1") = "5"
    & skf21("3","5","2","6","4","3","2","1") = "5"
    & skf21("3","5","2","6","4","3","3","1") = "5"
    & skf21("3","5","2","6","4","3","4","1") = "5"
    & skf21("3","5","2","6","4","3","5","1") = "5"
    & skf21("3","5","2","6","4","3","6","1") = "5"
    & skf21("3","5","2","6","4","3","7","1") = "6"
    & skf21("3","5","2","6","4","4","1","1") = "5"
    & skf21("3","5","2","6","4","4","2","1") = "5"
    & skf21("3","5","2","6","4","4","3","1") = "5"
    & skf21("3","5","2","6","4","4","4","1") = "5"
    & skf21("3","5","2","6","4","4","5","1") = "5"
    & skf21("3","5","2","6","4","4","6","1") = "5"
    & skf21("3","5","2","6","4","4","7","1") = "6"
    & skf21("3","5","2","6","4","5","1","1") = "5"
    & skf21("3","5","2","6","4","5","2","1") = "5"
    & skf21("3","5","2","6","4","5","3","1") = "5"
    & skf21("3","5","2","6","4","5","4","1") = "5"
    & skf21("3","5","2","6","4","5","5","1") = "5"
    & skf21("3","5","2","6","4","5","6","1") = "5"
    & skf21("3","5","2","6","4","5","7","1") = "6"
    & skf21("3","5","2","6","4","6","1","1") = "5"
    & skf21("3","5","2","6","4","6","2","1") = "5"
    & skf21("3","5","2","6","4","6","3","1") = "5"
    & skf21("3","5","2","6","4","6","4","1") = "5"
    & skf21("3","5","2","6","4","6","5","1") = "5"
    & skf21("3","5","2","6","4","6","6","1") = "5"
    & skf21("3","5","2","6","4","6","7","1") = "6"
    & skf21("3","5","2","6","4","7","1","1") = "6"
    & skf21("3","5","2","6","4","7","2","1") = "6"
    & skf21("3","5","2","6","4","7","3","1") = "6"
    & skf21("3","5","2","6","4","7","4","1") = "6"
    & skf21("3","5","2","6","4","7","5","1") = "6"
    & skf21("3","5","2","6","4","7","6","1") = "6"
    & skf21("3","5","2","6","4","7","7","1") = "6"
    & skf21("3","5","2","6","5","1","1","1") = "5"
    & skf21("3","5","2","6","5","1","2","1") = "5"
    & skf21("3","5","2","6","5","1","3","1") = "5"
    & skf21("3","5","2","6","5","1","4","1") = "5"
    & skf21("3","5","2","6","5","1","5","1") = "5"
    & skf21("3","5","2","6","5","1","6","1") = "5"
    & skf21("3","5","2","6","5","1","7","1") = "6"
    & skf21("3","5","2","6","5","2","1","1") = "5"
    & skf21("3","5","2","6","5","2","2","1") = "5"
    & skf21("3","5","2","6","5","2","3","1") = "5"
    & skf21("3","5","2","6","5","2","4","1") = "5"
    & skf21("3","5","2","6","5","2","5","1") = "5"
    & skf21("3","5","2","6","5","2","6","1") = "5"
    & skf21("3","5","2","6","5","2","7","1") = "6"
    & skf21("3","5","2","6","5","3","1","1") = "5"
    & skf21("3","5","2","6","5","3","2","1") = "5"
    & skf21("3","5","2","6","5","3","3","1") = "5"
    & skf21("3","5","2","6","5","3","4","1") = "5"
    & skf21("3","5","2","6","5","3","5","1") = "5"
    & skf21("3","5","2","6","5","3","6","1") = "5"
    & skf21("3","5","2","6","5","3","7","1") = "6"
    & skf21("3","5","2","6","5","4","1","1") = "5"
    & skf21("3","5","2","6","5","4","2","1") = "5"
    & skf21("3","5","2","6","5","4","3","1") = "5"
    & skf21("3","5","2","6","5","4","4","1") = "5"
    & skf21("3","5","2","6","5","4","5","1") = "5"
    & skf21("3","5","2","6","5","4","6","1") = "5"
    & skf21("3","5","2","6","5","4","7","1") = "6"
    & skf21("3","5","2","6","5","5","1","1") = "5"
    & skf21("3","5","2","6","5","5","2","1") = "5"
    & skf21("3","5","2","6","5","5","3","1") = "5"
    & skf21("3","5","2","6","5","5","4","1") = "5"
    & skf21("3","5","2","6","5","5","5","1") = "5"
    & skf21("3","5","2","6","5","5","6","1") = "5"
    & skf21("3","5","2","6","5","5","7","1") = "6"
    & skf21("3","5","2","6","5","6","1","1") = "5"
    & skf21("3","5","2","6","5","6","2","1") = "5"
    & skf21("3","5","2","6","5","6","3","1") = "5"
    & skf21("3","5","2","6","5","6","4","1") = "5"
    & skf21("3","5","2","6","5","6","5","1") = "5"
    & skf21("3","5","2","6","5","6","6","1") = "5"
    & skf21("3","5","2","6","5","6","7","1") = "6"
    & skf21("3","5","2","6","5","7","1","1") = "6"
    & skf21("3","5","2","6","5","7","2","1") = "6"
    & skf21("3","5","2","6","5","7","3","1") = "6"
    & skf21("3","5","2","6","5","7","4","1") = "6"
    & skf21("3","5","2","6","5","7","5","1") = "6"
    & skf21("3","5","2","6","5","7","6","1") = "6"
    & skf21("3","5","2","6","5","7","7","1") = "6"
    & skf21("3","5","2","6","6","1","1","1") = "5"
    & skf21("3","5","2","6","6","1","2","1") = "5"
    & skf21("3","5","2","6","6","1","3","1") = "5"
    & skf21("3","5","2","6","6","1","4","1") = "5"
    & skf21("3","5","2","6","6","1","5","1") = "5"
    & skf21("3","5","2","6","6","1","6","1") = "5"
    & skf21("3","5","2","6","6","1","7","1") = "6"
    & skf21("3","5","2","6","6","2","1","1") = "5"
    & skf21("3","5","2","6","6","2","2","1") = "5"
    & skf21("3","5","2","6","6","2","3","1") = "5"
    & skf21("3","5","2","6","6","2","4","1") = "5"
    & skf21("3","5","2","6","6","2","5","1") = "5"
    & skf21("3","5","2","6","6","2","6","1") = "5"
    & skf21("3","5","2","6","6","2","7","1") = "6"
    & skf21("3","5","2","6","6","3","1","1") = "5"
    & skf21("3","5","2","6","6","3","2","1") = "5"
    & skf21("3","5","2","6","6","3","3","1") = "5"
    & skf21("3","5","2","6","6","3","4","1") = "5"
    & skf21("3","5","2","6","6","3","5","1") = "5"
    & skf21("3","5","2","6","6","3","6","1") = "5"
    & skf21("3","5","2","6","6","3","7","1") = "6"
    & skf21("3","5","2","6","6","4","1","1") = "5"
    & skf21("3","5","2","6","6","4","2","1") = "5"
    & skf21("3","5","2","6","6","4","3","1") = "5"
    & skf21("3","5","2","6","6","4","4","1") = "5"
    & skf21("3","5","2","6","6","4","5","1") = "5"
    & skf21("3","5","2","6","6","4","6","1") = "5"
    & skf21("3","5","2","6","6","4","7","1") = "6"
    & skf21("3","5","2","6","6","5","1","1") = "5"
    & skf21("3","5","2","6","6","5","2","1") = "5"
    & skf21("3","5","2","6","6","5","3","1") = "5"
    & skf21("3","5","2","6","6","5","4","1") = "5"
    & skf21("3","5","2","6","6","5","5","1") = "5"
    & skf21("3","5","2","6","6","5","6","1") = "5"
    & skf21("3","5","2","6","6","5","7","1") = "6"
    & skf21("3","5","2","6","6","6","1","1") = "5"
    & skf21("3","5","2","6","6","6","2","1") = "5"
    & skf21("3","5","2","6","6","6","3","1") = "5"
    & skf21("3","5","2","6","6","6","4","1") = "5"
    & skf21("3","5","2","6","6","6","5","1") = "5"
    & skf21("3","5","2","6","6","6","6","1") = "5"
    & skf21("3","5","2","6","6","6","7","1") = "6"
    & skf21("3","5","2","6","6","7","1","1") = "6"
    & skf21("3","5","2","6","6","7","2","1") = "6"
    & skf21("3","5","2","6","6","7","3","1") = "6"
    & skf21("3","5","2","6","6","7","4","1") = "6"
    & skf21("3","5","2","6","6","7","5","1") = "6"
    & skf21("3","5","2","6","6","7","6","1") = "6"
    & skf21("3","5","2","6","6","7","7","1") = "6"
    & skf21("3","5","2","6","7","1","1","1") = "6"
    & skf21("3","5","2","6","7","1","2","1") = "6"
    & skf21("3","5","2","6","7","1","3","1") = "6"
    & skf21("3","5","2","6","7","1","4","1") = "6"
    & skf21("3","5","2","6","7","1","5","1") = "6"
    & skf21("3","5","2","6","7","1","6","1") = "6"
    & skf21("3","5","2","6","7","1","7","1") = "6"
    & skf21("3","5","2","6","7","2","1","1") = "6"
    & skf21("3","5","2","6","7","2","2","1") = "6"
    & skf21("3","5","2","6","7","2","3","1") = "6"
    & skf21("3","5","2","6","7","2","4","1") = "6"
    & skf21("3","5","2","6","7","2","5","1") = "6"
    & skf21("3","5","2","6","7","2","6","1") = "6"
    & skf21("3","5","2","6","7","2","7","1") = "6"
    & skf21("3","5","2","6","7","3","1","1") = "6"
    & skf21("3","5","2","6","7","3","2","1") = "6"
    & skf21("3","5","2","6","7","3","3","1") = "6"
    & skf21("3","5","2","6","7","3","4","1") = "6"
    & skf21("3","5","2","6","7","3","5","1") = "6"
    & skf21("3","5","2","6","7","3","6","1") = "6"
    & skf21("3","5","2","6","7","3","7","1") = "6"
    & skf21("3","5","2","6","7","4","1","1") = "6"
    & skf21("3","5","2","6","7","4","2","1") = "6"
    & skf21("3","5","2","6","7","4","3","1") = "6"
    & skf21("3","5","2","6","7","4","4","1") = "6"
    & skf21("3","5","2","6","7","4","5","1") = "6"
    & skf21("3","5","2","6","7","4","6","1") = "6"
    & skf21("3","5","2","6","7","4","7","1") = "6"
    & skf21("3","5","2","6","7","5","1","1") = "6"
    & skf21("3","5","2","6","7","5","2","1") = "6"
    & skf21("3","5","2","6","7","5","3","1") = "6"
    & skf21("3","5","2","6","7","5","4","1") = "6"
    & skf21("3","5","2","6","7","5","5","1") = "6"
    & skf21("3","5","2","6","7","5","6","1") = "6"
    & skf21("3","5","2","6","7","5","7","1") = "6"
    & skf21("3","5","2","6","7","6","1","1") = "6"
    & skf21("3","5","2","6","7","6","2","1") = "6"
    & skf21("3","5","2","6","7","6","3","1") = "6"
    & skf21("3","5","2","6","7","6","4","1") = "6"
    & skf21("3","5","2","6","7","6","5","1") = "6"
    & skf21("3","5","2","6","7","6","6","1") = "6"
    & skf21("3","5","2","6","7","6","7","1") = "6"
    & skf21("3","5","2","6","7","7","1","1") = "6"
    & skf21("3","5","2","6","7","7","2","1") = "6"
    & skf21("3","5","2","6","7","7","3","1") = "6"
    & skf21("3","5","2","6","7","7","4","1") = "6"
    & skf21("3","5","2","6","7","7","5","1") = "6"
    & skf21("3","5","2","6","7","7","6","1") = "6"
    & skf21("3","5","2","6","7","7","7","1") = "6"
    & skf21("3","5","2","7","1","1","1","1") = "6"
    & skf21("3","5","2","7","1","1","2","1") = "6"
    & skf21("3","5","2","7","1","1","3","1") = "6"
    & skf21("3","5","2","7","1","1","4","1") = "6"
    & skf21("3","5","2","7","1","1","5","1") = "6"
    & skf21("3","5","2","7","1","1","6","1") = "6"
    & skf21("3","5","2","7","1","1","7","1") = "6"
    & skf21("3","5","2","7","1","2","1","1") = "6"
    & skf21("3","5","2","7","1","2","2","1") = "6"
    & skf21("3","5","2","7","1","2","3","1") = "6"
    & skf21("3","5","2","7","1","2","4","1") = "6"
    & skf21("3","5","2","7","1","2","5","1") = "6"
    & skf21("3","5","2","7","1","2","6","1") = "6"
    & skf21("3","5","2","7","1","2","7","1") = "6"
    & skf21("3","5","2","7","1","3","1","1") = "6"
    & skf21("3","5","2","7","1","3","2","1") = "6"
    & skf21("3","5","2","7","1","3","3","1") = "6"
    & skf21("3","5","2","7","1","3","4","1") = "6"
    & skf21("3","5","2","7","1","3","5","1") = "6"
    & skf21("3","5","2","7","1","3","6","1") = "6"
    & skf21("3","5","2","7","1","3","7","1") = "6"
    & skf21("3","5","2","7","1","4","1","1") = "6"
    & skf21("3","5","2","7","1","4","2","1") = "6"
    & skf21("3","5","2","7","1","4","3","1") = "6"
    & skf21("3","5","2","7","1","4","4","1") = "6"
    & skf21("3","5","2","7","1","4","5","1") = "6"
    & skf21("3","5","2","7","1","4","6","1") = "6"
    & skf21("3","5","2","7","1","4","7","1") = "6"
    & skf21("3","5","2","7","1","5","1","1") = "6"
    & skf21("3","5","2","7","1","5","2","1") = "6"
    & skf21("3","5","2","7","1","5","3","1") = "6"
    & skf21("3","5","2","7","1","5","4","1") = "6"
    & skf21("3","5","2","7","1","5","5","1") = "6"
    & skf21("3","5","2","7","1","5","6","1") = "6"
    & skf21("3","5","2","7","1","5","7","1") = "6"
    & skf21("3","5","2","7","1","6","1","1") = "6"
    & skf21("3","5","2","7","1","6","2","1") = "6"
    & skf21("3","5","2","7","1","6","3","1") = "6"
    & skf21("3","5","2","7","1","6","4","1") = "6"
    & skf21("3","5","2","7","1","6","5","1") = "6"
    & skf21("3","5","2","7","1","6","6","1") = "6"
    & skf21("3","5","2","7","1","6","7","1") = "6"
    & skf21("3","5","2","7","1","7","1","1") = "6"
    & skf21("3","5","2","7","1","7","2","1") = "6"
    & skf21("3","5","2","7","1","7","3","1") = "6"
    & skf21("3","5","2","7","1","7","4","1") = "6"
    & skf21("3","5","2","7","1","7","5","1") = "6"
    & skf21("3","5","2","7","1","7","6","1") = "6"
    & skf21("3","5","2","7","1","7","7","1") = "6"
    & skf21("3","5","2","7","2","1","1","1") = "6"
    & skf21("3","5","2","7","2","1","2","1") = "6"
    & skf21("3","5","2","7","2","1","3","1") = "6"
    & skf21("3","5","2","7","2","1","4","1") = "6"
    & skf21("3","5","2","7","2","1","5","1") = "6"
    & skf21("3","5","2","7","2","1","6","1") = "6"
    & skf21("3","5","2","7","2","1","7","1") = "6"
    & skf21("3","5","2","7","2","2","1","1") = "6"
    & skf21("3","5","2","7","2","2","2","1") = "6"
    & skf21("3","5","2","7","2","2","3","1") = "6"
    & skf21("3","5","2","7","2","2","4","1") = "6"
    & skf21("3","5","2","7","2","2","5","1") = "6"
    & skf21("3","5","2","7","2","2","6","1") = "6"
    & skf21("3","5","2","7","2","2","7","1") = "6"
    & skf21("3","5","2","7","2","3","1","1") = "6"
    & skf21("3","5","2","7","2","3","2","1") = "6"
    & skf21("3","5","2","7","2","3","3","1") = "6"
    & skf21("3","5","2","7","2","3","4","1") = "6"
    & skf21("3","5","2","7","2","3","5","1") = "6"
    & skf21("3","5","2","7","2","3","6","1") = "6"
    & skf21("3","5","2","7","2","3","7","1") = "6"
    & skf21("3","5","2","7","2","4","1","1") = "6"
    & skf21("3","5","2","7","2","4","2","1") = "6"
    & skf21("3","5","2","7","2","4","3","1") = "6"
    & skf21("3","5","2","7","2","4","4","1") = "6"
    & skf21("3","5","2","7","2","4","5","1") = "6"
    & skf21("3","5","2","7","2","4","6","1") = "6"
    & skf21("3","5","2","7","2","4","7","1") = "6"
    & skf21("3","5","2","7","2","5","1","1") = "6"
    & skf21("3","5","2","7","2","5","2","1") = "6"
    & skf21("3","5","2","7","2","5","3","1") = "6"
    & skf21("3","5","2","7","2","5","4","1") = "6"
    & skf21("3","5","2","7","2","5","5","1") = "6"
    & skf21("3","5","2","7","2","5","6","1") = "6"
    & skf21("3","5","2","7","2","5","7","1") = "6"
    & skf21("3","5","2","7","2","6","1","1") = "6"
    & skf21("3","5","2","7","2","6","2","1") = "6"
    & skf21("3","5","2","7","2","6","3","1") = "6"
    & skf21("3","5","2","7","2","6","4","1") = "6"
    & skf21("3","5","2","7","2","6","5","1") = "6"
    & skf21("3","5","2","7","2","6","6","1") = "6"
    & skf21("3","5","2","7","2","6","7","1") = "6"
    & skf21("3","5","2","7","2","7","1","1") = "6"
    & skf21("3","5","2","7","2","7","2","1") = "6"
    & skf21("3","5","2","7","2","7","3","1") = "6"
    & skf21("3","5","2","7","2","7","4","1") = "6"
    & skf21("3","5","2","7","2","7","5","1") = "6"
    & skf21("3","5","2","7","2","7","6","1") = "6"
    & skf21("3","5","2","7","2","7","7","1") = "6"
    & skf21("3","5","2","7","3","1","1","1") = "6"
    & skf21("3","5","2","7","3","1","2","1") = "6"
    & skf21("3","5","2","7","3","1","3","1") = "6"
    & skf21("3","5","2","7","3","1","4","1") = "6"
    & skf21("3","5","2","7","3","1","5","1") = "6"
    & skf21("3","5","2","7","3","1","6","1") = "6"
    & skf21("3","5","2","7","3","1","7","1") = "6"
    & skf21("3","5","2","7","3","2","1","1") = "6"
    & skf21("3","5","2","7","3","2","2","1") = "6"
    & skf21("3","5","2","7","3","2","3","1") = "6"
    & skf21("3","5","2","7","3","2","4","1") = "6"
    & skf21("3","5","2","7","3","2","5","1") = "6"
    & skf21("3","5","2","7","3","2","6","1") = "6"
    & skf21("3","5","2","7","3","2","7","1") = "6"
    & skf21("3","5","2","7","3","3","1","1") = "6"
    & skf21("3","5","2","7","3","3","2","1") = "6"
    & skf21("3","5","2","7","3","3","3","1") = "6"
    & skf21("3","5","2","7","3","3","4","1") = "6"
    & skf21("3","5","2","7","3","3","5","1") = "6"
    & skf21("3","5","2","7","3","3","6","1") = "6"
    & skf21("3","5","2","7","3","3","7","1") = "6"
    & skf21("3","5","2","7","3","4","1","1") = "6"
    & skf21("3","5","2","7","3","4","2","1") = "6"
    & skf21("3","5","2","7","3","4","3","1") = "6"
    & skf21("3","5","2","7","3","4","4","1") = "6"
    & skf21("3","5","2","7","3","4","5","1") = "6"
    & skf21("3","5","2","7","3","4","6","1") = "6"
    & skf21("3","5","2","7","3","4","7","1") = "6"
    & skf21("3","5","2","7","3","5","1","1") = "6"
    & skf21("3","5","2","7","3","5","2","1") = "6"
    & skf21("3","5","2","7","3","5","3","1") = "6"
    & skf21("3","5","2","7","3","5","4","1") = "6"
    & skf21("3","5","2","7","3","5","5","1") = "6"
    & skf21("3","5","2","7","3","5","6","1") = "6"
    & skf21("3","5","2","7","3","5","7","1") = "6"
    & skf21("3","5","2","7","3","6","1","1") = "6"
    & skf21("3","5","2","7","3","6","2","1") = "6"
    & skf21("3","5","2","7","3","6","3","1") = "6"
    & skf21("3","5","2","7","3","6","4","1") = "6"
    & skf21("3","5","2","7","3","6","5","1") = "6"
    & skf21("3","5","2","7","3","6","6","1") = "6"
    & skf21("3","5","2","7","3","6","7","1") = "6"
    & skf21("3","5","2","7","3","7","1","1") = "6"
    & skf21("3","5","2","7","3","7","2","1") = "6"
    & skf21("3","5","2","7","3","7","3","1") = "6"
    & skf21("3","5","2","7","3","7","4","1") = "6"
    & skf21("3","5","2","7","3","7","5","1") = "6"
    & skf21("3","5","2","7","3","7","6","1") = "6"
    & skf21("3","5","2","7","3","7","7","1") = "6"
    & skf21("3","5","2","7","4","1","1","1") = "6"
    & skf21("3","5","2","7","4","1","2","1") = "6"
    & skf21("3","5","2","7","4","1","3","1") = "6"
    & skf21("3","5","2","7","4","1","4","1") = "6"
    & skf21("3","5","2","7","4","1","5","1") = "6"
    & skf21("3","5","2","7","4","1","6","1") = "6"
    & skf21("3","5","2","7","4","1","7","1") = "6"
    & skf21("3","5","2","7","4","2","1","1") = "6"
    & skf21("3","5","2","7","4","2","2","1") = "6"
    & skf21("3","5","2","7","4","2","3","1") = "6"
    & skf21("3","5","2","7","4","2","4","1") = "6"
    & skf21("3","5","2","7","4","2","5","1") = "6"
    & skf21("3","5","2","7","4","2","6","1") = "6"
    & skf21("3","5","2","7","4","2","7","1") = "6"
    & skf21("3","5","2","7","4","3","1","1") = "6"
    & skf21("3","5","2","7","4","3","2","1") = "6"
    & skf21("3","5","2","7","4","3","3","1") = "6"
    & skf21("3","5","2","7","4","3","4","1") = "6"
    & skf21("3","5","2","7","4","3","5","1") = "6"
    & skf21("3","5","2","7","4","3","6","1") = "6"
    & skf21("3","5","2","7","4","3","7","1") = "6"
    & skf21("3","5","2","7","4","4","1","1") = "6"
    & skf21("3","5","2","7","4","4","2","1") = "6"
    & skf21("3","5","2","7","4","4","3","1") = "6"
    & skf21("3","5","2","7","4","4","4","1") = "6"
    & skf21("3","5","2","7","4","4","5","1") = "6"
    & skf21("3","5","2","7","4","4","6","1") = "6"
    & skf21("3","5","2","7","4","4","7","1") = "6"
    & skf21("3","5","2","7","4","5","1","1") = "6"
    & skf21("3","5","2","7","4","5","2","1") = "6"
    & skf21("3","5","2","7","4","5","3","1") = "6"
    & skf21("3","5","2","7","4","5","4","1") = "6"
    & skf21("3","5","2","7","4","5","5","1") = "6"
    & skf21("3","5","2","7","4","5","6","1") = "6"
    & skf21("3","5","2","7","4","5","7","1") = "6"
    & skf21("3","5","2","7","4","6","1","1") = "6"
    & skf21("3","5","2","7","4","6","2","1") = "6"
    & skf21("3","5","2","7","4","6","3","1") = "6"
    & skf21("3","5","2","7","4","6","4","1") = "6"
    & skf21("3","5","2","7","4","6","5","1") = "6"
    & skf21("3","5","2","7","4","6","6","1") = "6"
    & skf21("3","5","2","7","4","6","7","1") = "6"
    & skf21("3","5","2","7","4","7","1","1") = "6"
    & skf21("3","5","2","7","4","7","2","1") = "6"
    & skf21("3","5","2","7","4","7","3","1") = "6"
    & skf21("3","5","2","7","4","7","4","1") = "6"
    & skf21("3","5","2","7","4","7","5","1") = "6"
    & skf21("3","5","2","7","4","7","6","1") = "6"
    & skf21("3","5","2","7","4","7","7","1") = "6"
    & skf21("3","5","2","7","5","1","1","1") = "6"
    & skf21("3","5","2","7","5","1","2","1") = "6"
    & skf21("3","5","2","7","5","1","3","1") = "6"
    & skf21("3","5","2","7","5","1","4","1") = "6"
    & skf21("3","5","2","7","5","1","5","1") = "6"
    & skf21("3","5","2","7","5","1","6","1") = "6"
    & skf21("3","5","2","7","5","1","7","1") = "6"
    & skf21("3","5","2","7","5","2","1","1") = "6"
    & skf21("3","5","2","7","5","2","2","1") = "6"
    & skf21("3","5","2","7","5","2","3","1") = "6"
    & skf21("3","5","2","7","5","2","4","1") = "6"
    & skf21("3","5","2","7","5","2","5","1") = "6"
    & skf21("3","5","2","7","5","2","6","1") = "6"
    & skf21("3","5","2","7","5","2","7","1") = "6"
    & skf21("3","5","2","7","5","3","1","1") = "6"
    & skf21("3","5","2","7","5","3","2","1") = "6"
    & skf21("3","5","2","7","5","3","3","1") = "6"
    & skf21("3","5","2","7","5","3","4","1") = "6"
    & skf21("3","5","2","7","5","3","5","1") = "6"
    & skf21("3","5","2","7","5","3","6","1") = "6"
    & skf21("3","5","2","7","5","3","7","1") = "6"
    & skf21("3","5","2","7","5","4","1","1") = "6"
    & skf21("3","5","2","7","5","4","2","1") = "6"
    & skf21("3","5","2","7","5","4","3","1") = "6"
    & skf21("3","5","2","7","5","4","4","1") = "6"
    & skf21("3","5","2","7","5","4","5","1") = "6"
    & skf21("3","5","2","7","5","4","6","1") = "6"
    & skf21("3","5","2","7","5","4","7","1") = "6"
    & skf21("3","5","2","7","5","5","1","1") = "6"
    & skf21("3","5","2","7","5","5","2","1") = "6"
    & skf21("3","5","2","7","5","5","3","1") = "6"
    & skf21("3","5","2","7","5","5","4","1") = "6"
    & skf21("3","5","2","7","5","5","5","1") = "6"
    & skf21("3","5","2","7","5","5","6","1") = "6"
    & skf21("3","5","2","7","5","5","7","1") = "6"
    & skf21("3","5","2","7","5","6","1","1") = "6"
    & skf21("3","5","2","7","5","6","2","1") = "6"
    & skf21("3","5","2","7","5","6","3","1") = "6"
    & skf21("3","5","2","7","5","6","4","1") = "6"
    & skf21("3","5","2","7","5","6","5","1") = "6"
    & skf21("3","5","2","7","5","6","6","1") = "6"
    & skf21("3","5","2","7","5","6","7","1") = "6"
    & skf21("3","5","2","7","5","7","1","1") = "6"
    & skf21("3","5","2","7","5","7","2","1") = "6"
    & skf21("3","5","2","7","5","7","3","1") = "6"
    & skf21("3","5","2","7","5","7","4","1") = "6"
    & skf21("3","5","2","7","5","7","5","1") = "6"
    & skf21("3","5","2","7","5","7","6","1") = "6"
    & skf21("3","5","2","7","5","7","7","1") = "6"
    & skf21("3","5","2","7","6","1","1","1") = "6"
    & skf21("3","5","2","7","6","1","2","1") = "6"
    & skf21("3","5","2","7","6","1","3","1") = "6"
    & skf21("3","5","2","7","6","1","4","1") = "6"
    & skf21("3","5","2","7","6","1","5","1") = "6"
    & skf21("3","5","2","7","6","1","6","1") = "6"
    & skf21("3","5","2","7","6","1","7","1") = "6"
    & skf21("3","5","2","7","6","2","1","1") = "6"
    & skf21("3","5","2","7","6","2","2","1") = "6"
    & skf21("3","5","2","7","6","2","3","1") = "6"
    & skf21("3","5","2","7","6","2","4","1") = "6"
    & skf21("3","5","2","7","6","2","5","1") = "6"
    & skf21("3","5","2","7","6","2","6","1") = "6"
    & skf21("3","5","2","7","6","2","7","1") = "6"
    & skf21("3","5","2","7","6","3","1","1") = "6"
    & skf21("3","5","2","7","6","3","2","1") = "6"
    & skf21("3","5","2","7","6","3","3","1") = "6"
    & skf21("3","5","2","7","6","3","4","1") = "6"
    & skf21("3","5","2","7","6","3","5","1") = "6"
    & skf21("3","5","2","7","6","3","6","1") = "6"
    & skf21("3","5","2","7","6","3","7","1") = "6"
    & skf21("3","5","2","7","6","4","1","1") = "6"
    & skf21("3","5","2","7","6","4","2","1") = "6"
    & skf21("3","5","2","7","6","4","3","1") = "6"
    & skf21("3","5","2","7","6","4","4","1") = "6"
    & skf21("3","5","2","7","6","4","5","1") = "6"
    & skf21("3","5","2","7","6","4","6","1") = "6"
    & skf21("3","5","2","7","6","4","7","1") = "6"
    & skf21("3","5","2","7","6","5","1","1") = "6"
    & skf21("3","5","2","7","6","5","2","1") = "6"
    & skf21("3","5","2","7","6","5","3","1") = "6"
    & skf21("3","5","2","7","6","5","4","1") = "6"
    & skf21("3","5","2","7","6","5","5","1") = "6"
    & skf21("3","5","2","7","6","5","6","1") = "6"
    & skf21("3","5","2","7","6","5","7","1") = "6"
    & skf21("3","5","2","7","6","6","1","1") = "6"
    & skf21("3","5","2","7","6","6","2","1") = "6"
    & skf21("3","5","2","7","6","6","3","1") = "6"
    & skf21("3","5","2","7","6","6","4","1") = "6"
    & skf21("3","5","2","7","6","6","5","1") = "6"
    & skf21("3","5","2","7","6","6","6","1") = "6"
    & skf21("3","5","2","7","6","6","7","1") = "6"
    & skf21("3","5","2","7","6","7","1","1") = "6"
    & skf21("3","5","2","7","6","7","2","1") = "6"
    & skf21("3","5","2","7","6","7","3","1") = "6"
    & skf21("3","5","2","7","6","7","4","1") = "6"
    & skf21("3","5","2","7","6","7","5","1") = "6"
    & skf21("3","5","2","7","6","7","6","1") = "6"
    & skf21("3","5","2","7","6","7","7","1") = "6"
    & skf21("3","5","2","7","7","1","1","1") = "6"
    & skf21("3","5","2","7","7","1","2","1") = "6"
    & skf21("3","5","2","7","7","1","3","1") = "6"
    & skf21("3","5","2","7","7","1","4","1") = "6"
    & skf21("3","5","2","7","7","1","5","1") = "6"
    & skf21("3","5","2","7","7","1","6","1") = "6"
    & skf21("3","5","2","7","7","1","7","1") = "6"
    & skf21("3","5","2","7","7","2","1","1") = "6"
    & skf21("3","5","2","7","7","2","2","1") = "6"
    & skf21("3","5","2","7","7","2","3","1") = "6"
    & skf21("3","5","2","7","7","2","4","1") = "6"
    & skf21("3","5","2","7","7","2","5","1") = "6"
    & skf21("3","5","2","7","7","2","6","1") = "6"
    & skf21("3","5","2","7","7","2","7","1") = "6"
    & skf21("3","5","2","7","7","3","1","1") = "6"
    & skf21("3","5","2","7","7","3","2","1") = "6"
    & skf21("3","5","2","7","7","3","3","1") = "6"
    & skf21("3","5","2","7","7","3","4","1") = "6"
    & skf21("3","5","2","7","7","3","5","1") = "6"
    & skf21("3","5","2","7","7","3","6","1") = "6"
    & skf21("3","5","2","7","7","3","7","1") = "6"
    & skf21("3","5","2","7","7","4","1","1") = "6"
    & skf21("3","5","2","7","7","4","2","1") = "6"
    & skf21("3","5","2","7","7","4","3","1") = "6"
    & skf21("3","5","2","7","7","4","4","1") = "6"
    & skf21("3","5","2","7","7","4","5","1") = "6"
    & skf21("3","5","2","7","7","4","6","1") = "6"
    & skf21("3","5","2","7","7","4","7","1") = "6"
    & skf21("3","5","2","7","7","5","1","1") = "6"
    & skf21("3","5","2","7","7","5","2","1") = "6"
    & skf21("3","5","2","7","7","5","3","1") = "6"
    & skf21("3","5","2","7","7","5","4","1") = "6"
    & skf21("3","5","2","7","7","5","5","1") = "6"
    & skf21("3","5","2","7","7","5","6","1") = "6"
    & skf21("3","5","2","7","7","5","7","1") = "6"
    & skf21("3","5","2","7","7","6","1","1") = "6"
    & skf21("3","5","2","7","7","6","2","1") = "6"
    & skf21("3","5","2","7","7","6","3","1") = "6"
    & skf21("3","5","2","7","7","6","4","1") = "6"
    & skf21("3","5","2","7","7","6","5","1") = "6"
    & skf21("3","5","2","7","7","6","6","1") = "6"
    & skf21("3","5","2","7","7","6","7","1") = "6"
    & skf21("3","5","2","7","7","7","1","1") = "6"
    & skf21("3","5","2","7","7","7","2","1") = "6"
    & skf21("3","5","2","7","7","7","3","1") = "6"
    & skf21("3","5","2","7","7","7","4","1") = "6"
    & skf21("3","5","2","7","7","7","5","1") = "6"
    & skf21("3","5","2","7","7","7","6","1") = "6"
    & skf21("3","5","2","7","7","7","7","1") = "6"
    & skf21("3","5","3","1","1","1","1","1") = "4"
    & skf21("3","5","3","1","1","1","2","1") = "4"
    & skf21("3","5","3","1","1","1","3","1") = "4"
    & skf21("3","5","3","1","1","1","4","1") = "4"
    & skf21("3","5","3","1","1","1","5","1") = "4"
    & skf21("3","5","3","1","1","1","6","1") = "5"
    & skf21("3","5","3","1","1","1","7","1") = "6"
    & skf21("3","5","3","1","1","2","1","1") = "4"
    & skf21("3","5","3","1","1","2","2","1") = "4"
    & skf21("3","5","3","1","1","2","3","1") = "4"
    & skf21("3","5","3","1","1","2","4","1") = "4"
    & skf21("3","5","3","1","1","2","5","1") = "4"
    & skf21("3","5","3","1","1","2","6","1") = "5"
    & skf21("3","5","3","1","1","2","7","1") = "6"
    & skf21("3","5","3","1","1","3","1","1") = "4"
    & skf21("3","5","3","1","1","3","2","1") = "4"
    & skf21("3","5","3","1","1","3","3","1") = "4"
    & skf21("3","5","3","1","1","3","4","1") = "4"
    & skf21("3","5","3","1","1","3","5","1") = "4"
    & skf21("3","5","3","1","1","3","6","1") = "5"
    & skf21("3","5","3","1","1","3","7","1") = "6"
    & skf21("3","5","3","1","1","4","1","1") = "4"
    & skf21("3","5","3","1","1","4","2","1") = "4"
    & skf21("3","5","3","1","1","4","3","1") = "4"
    & skf21("3","5","3","1","1","4","4","1") = "4"
    & skf21("3","5","3","1","1","4","5","1") = "4"
    & skf21("3","5","3","1","1","4","6","1") = "5"
    & skf21("3","5","3","1","1","4","7","1") = "6"
    & skf21("3","5","3","1","1","5","1","1") = "4"
    & skf21("3","5","3","1","1","5","2","1") = "4"
    & skf21("3","5","3","1","1","5","3","1") = "4"
    & skf21("3","5","3","1","1","5","4","1") = "4"
    & skf21("3","5","3","1","1","5","5","1") = "4"
    & skf21("3","5","3","1","1","5","6","1") = "5"
    & skf21("3","5","3","1","1","5","7","1") = "6"
    & skf21("3","5","3","1","1","6","1","1") = "5"
    & skf21("3","5","3","1","1","6","2","1") = "5"
    & skf21("3","5","3","1","1","6","3","1") = "5"
    & skf21("3","5","3","1","1","6","4","1") = "5"
    & skf21("3","5","3","1","1","6","5","1") = "5"
    & skf21("3","5","3","1","1","6","6","1") = "5"
    & skf21("3","5","3","1","1","6","7","1") = "6"
    & skf21("3","5","3","1","1","7","1","1") = "6"
    & skf21("3","5","3","1","1","7","2","1") = "6"
    & skf21("3","5","3","1","1","7","3","1") = "6"
    & skf21("3","5","3","1","1","7","4","1") = "6"
    & skf21("3","5","3","1","1","7","5","1") = "6"
    & skf21("3","5","3","1","1","7","6","1") = "6"
    & skf21("3","5","3","1","1","7","7","1") = "6"
    & skf21("3","5","3","1","2","1","1","1") = "4"
    & skf21("3","5","3","1","2","1","2","1") = "4"
    & skf21("3","5","3","1","2","1","3","1") = "4"
    & skf21("3","5","3","1","2","1","4","1") = "4"
    & skf21("3","5","3","1","2","1","5","1") = "4"
    & skf21("3","5","3","1","2","1","6","1") = "5"
    & skf21("3","5","3","1","2","1","7","1") = "6"
    & skf21("3","5","3","1","2","2","1","1") = "4"
    & skf21("3","5","3","1","2","2","2","1") = "4"
    & skf21("3","5","3","1","2","2","3","1") = "4"
    & skf21("3","5","3","1","2","2","4","1") = "4"
    & skf21("3","5","3","1","2","2","5","1") = "4"
    & skf21("3","5","3","1","2","2","6","1") = "5"
    & skf21("3","5","3","1","2","2","7","1") = "6"
    & skf21("3","5","3","1","2","3","1","1") = "4"
    & skf21("3","5","3","1","2","3","2","1") = "4"
    & skf21("3","5","3","1","2","3","3","1") = "4"
    & skf21("3","5","3","1","2","3","4","1") = "4"
    & skf21("3","5","3","1","2","3","5","1") = "4"
    & skf21("3","5","3","1","2","3","6","1") = "5"
    & skf21("3","5","3","1","2","3","7","1") = "6"
    & skf21("3","5","3","1","2","4","1","1") = "4"
    & skf21("3","5","3","1","2","4","2","1") = "4"
    & skf21("3","5","3","1","2","4","3","1") = "4"
    & skf21("3","5","3","1","2","4","4","1") = "4"
    & skf21("3","5","3","1","2","4","5","1") = "4"
    & skf21("3","5","3","1","2","4","6","1") = "5"
    & skf21("3","5","3","1","2","4","7","1") = "6"
    & skf21("3","5","3","1","2","5","1","1") = "4"
    & skf21("3","5","3","1","2","5","2","1") = "4"
    & skf21("3","5","3","1","2","5","3","1") = "4"
    & skf21("3","5","3","1","2","5","4","1") = "4"
    & skf21("3","5","3","1","2","5","5","1") = "4"
    & skf21("3","5","3","1","2","5","6","1") = "5"
    & skf21("3","5","3","1","2","5","7","1") = "6"
    & skf21("3","5","3","1","2","6","1","1") = "5"
    & skf21("3","5","3","1","2","6","2","1") = "5"
    & skf21("3","5","3","1","2","6","3","1") = "5"
    & skf21("3","5","3","1","2","6","4","1") = "5"
    & skf21("3","5","3","1","2","6","5","1") = "5"
    & skf21("3","5","3","1","2","6","6","1") = "5"
    & skf21("3","5","3","1","2","6","7","1") = "6"
    & skf21("3","5","3","1","2","7","1","1") = "6"
    & skf21("3","5","3","1","2","7","2","1") = "6"
    & skf21("3","5","3","1","2","7","3","1") = "6"
    & skf21("3","5","3","1","2","7","4","1") = "6"
    & skf21("3","5","3","1","2","7","5","1") = "6"
    & skf21("3","5","3","1","2","7","6","1") = "6"
    & skf21("3","5","3","1","2","7","7","1") = "6"
    & skf21("3","5","3","1","3","1","1","1") = "4"
    & skf21("3","5","3","1","3","1","2","1") = "4"
    & skf21("3","5","3","1","3","1","3","1") = "4"
    & skf21("3","5","3","1","3","1","4","1") = "4"
    & skf21("3","5","3","1","3","1","5","1") = "4"
    & skf21("3","5","3","1","3","1","6","1") = "5"
    & skf21("3","5","3","1","3","1","7","1") = "6"
    & skf21("3","5","3","1","3","2","1","1") = "4"
    & skf21("3","5","3","1","3","2","2","1") = "4"
    & skf21("3","5","3","1","3","2","3","1") = "4"
    & skf21("3","5","3","1","3","2","4","1") = "4"
    & skf21("3","5","3","1","3","2","5","1") = "4"
    & skf21("3","5","3","1","3","2","6","1") = "5"
    & skf21("3","5","3","1","3","2","7","1") = "6"
    & skf21("3","5","3","1","3","3","1","1") = "4"
    & skf21("3","5","3","1","3","3","2","1") = "4"
    & skf21("3","5","3","1","3","3","3","1") = "4"
    & skf21("3","5","3","1","3","3","4","1") = "4"
    & skf21("3","5","3","1","3","3","5","1") = "4"
    & skf21("3","5","3","1","3","3","6","1") = "5"
    & skf21("3","5","3","1","3","3","7","1") = "6"
    & skf21("3","5","3","1","3","4","1","1") = "4"
    & skf21("3","5","3","1","3","4","2","1") = "4"
    & skf21("3","5","3","1","3","4","3","1") = "4"
    & skf21("3","5","3","1","3","4","4","1") = "4"
    & skf21("3","5","3","1","3","4","5","1") = "4"
    & skf21("3","5","3","1","3","4","6","1") = "5"
    & skf21("3","5","3","1","3","4","7","1") = "6"
    & skf21("3","5","3","1","3","5","1","1") = "4"
    & skf21("3","5","3","1","3","5","2","1") = "4"
    & skf21("3","5","3","1","3","5","3","1") = "4"
    & skf21("3","5","3","1","3","5","4","1") = "4"
    & skf21("3","5","3","1","3","5","5","1") = "4"
    & skf21("3","5","3","1","3","5","6","1") = "5"
    & skf21("3","5","3","1","3","5","7","1") = "6"
    & skf21("3","5","3","1","3","6","1","1") = "5"
    & skf21("3","5","3","1","3","6","2","1") = "5"
    & skf21("3","5","3","1","3","6","3","1") = "5"
    & skf21("3","5","3","1","3","6","4","1") = "5"
    & skf21("3","5","3","1","3","6","5","1") = "5"
    & skf21("3","5","3","1","3","6","6","1") = "5"
    & skf21("3","5","3","1","3","6","7","1") = "6"
    & skf21("3","5","3","1","3","7","1","1") = "6"
    & skf21("3","5","3","1","3","7","2","1") = "6"
    & skf21("3","5","3","1","3","7","3","1") = "6"
    & skf21("3","5","3","1","3","7","4","1") = "6"
    & skf21("3","5","3","1","3","7","5","1") = "6"
    & skf21("3","5","3","1","3","7","6","1") = "6"
    & skf21("3","5","3","1","3","7","7","1") = "6"
    & skf21("3","5","3","1","4","1","1","1") = "4"
    & skf21("3","5","3","1","4","1","2","1") = "4"
    & skf21("3","5","3","1","4","1","3","1") = "4"
    & skf21("3","5","3","1","4","1","4","1") = "4"
    & skf21("3","5","3","1","4","1","5","1") = "4"
    & skf21("3","5","3","1","4","1","6","1") = "5"
    & skf21("3","5","3","1","4","1","7","1") = "6"
    & skf21("3","5","3","1","4","2","1","1") = "4"
    & skf21("3","5","3","1","4","2","2","1") = "4"
    & skf21("3","5","3","1","4","2","3","1") = "4"
    & skf21("3","5","3","1","4","2","4","1") = "4"
    & skf21("3","5","3","1","4","2","5","1") = "4"
    & skf21("3","5","3","1","4","2","6","1") = "5"
    & skf21("3","5","3","1","4","2","7","1") = "6"
    & skf21("3","5","3","1","4","3","1","1") = "4"
    & skf21("3","5","3","1","4","3","2","1") = "4"
    & skf21("3","5","3","1","4","3","3","1") = "4"
    & skf21("3","5","3","1","4","3","4","1") = "4"
    & skf21("3","5","3","1","4","3","5","1") = "4"
    & skf21("3","5","3","1","4","3","6","1") = "5"
    & skf21("3","5","3","1","4","3","7","1") = "6"
    & skf21("3","5","3","1","4","4","1","1") = "4"
    & skf21("3","5","3","1","4","4","2","1") = "4"
    & skf21("3","5","3","1","4","4","3","1") = "4"
    & skf21("3","5","3","1","4","4","4","1") = "4"
    & skf21("3","5","3","1","4","4","5","1") = "4"
    & skf21("3","5","3","1","4","4","6","1") = "5"
    & skf21("3","5","3","1","4","4","7","1") = "6"
    & skf21("3","5","3","1","4","5","1","1") = "4"
    & skf21("3","5","3","1","4","5","2","1") = "4"
    & skf21("3","5","3","1","4","5","3","1") = "4"
    & skf21("3","5","3","1","4","5","4","1") = "4"
    & skf21("3","5","3","1","4","5","5","1") = "4"
    & skf21("3","5","3","1","4","5","6","1") = "5"
    & skf21("3","5","3","1","4","5","7","1") = "6"
    & skf21("3","5","3","1","4","6","1","1") = "5"
    & skf21("3","5","3","1","4","6","2","1") = "5"
    & skf21("3","5","3","1","4","6","3","1") = "5"
    & skf21("3","5","3","1","4","6","4","1") = "5"
    & skf21("3","5","3","1","4","6","5","1") = "5"
    & skf21("3","5","3","1","4","6","6","1") = "5"
    & skf21("3","5","3","1","4","6","7","1") = "6"
    & skf21("3","5","3","1","4","7","1","1") = "6"
    & skf21("3","5","3","1","4","7","2","1") = "6"
    & skf21("3","5","3","1","4","7","3","1") = "6"
    & skf21("3","5","3","1","4","7","4","1") = "6"
    & skf21("3","5","3","1","4","7","5","1") = "6"
    & skf21("3","5","3","1","4","7","6","1") = "6"
    & skf21("3","5","3","1","4","7","7","1") = "6"
    & skf21("3","5","3","1","5","1","1","1") = "4"
    & skf21("3","5","3","1","5","1","2","1") = "4"
    & skf21("3","5","3","1","5","1","3","1") = "4"
    & skf21("3","5","3","1","5","1","4","1") = "4"
    & skf21("3","5","3","1","5","1","5","1") = "4"
    & skf21("3","5","3","1","5","1","6","1") = "5"
    & skf21("3","5","3","1","5","1","7","1") = "6"
    & skf21("3","5","3","1","5","2","1","1") = "4"
    & skf21("3","5","3","1","5","2","2","1") = "4"
    & skf21("3","5","3","1","5","2","3","1") = "4"
    & skf21("3","5","3","1","5","2","4","1") = "4"
    & skf21("3","5","3","1","5","2","5","1") = "4"
    & skf21("3","5","3","1","5","2","6","1") = "5"
    & skf21("3","5","3","1","5","2","7","1") = "6"
    & skf21("3","5","3","1","5","3","1","1") = "4"
    & skf21("3","5","3","1","5","3","2","1") = "4"
    & skf21("3","5","3","1","5","3","3","1") = "4"
    & skf21("3","5","3","1","5","3","4","1") = "4"
    & skf21("3","5","3","1","5","3","5","1") = "4"
    & skf21("3","5","3","1","5","3","6","1") = "5"
    & skf21("3","5","3","1","5","3","7","1") = "6"
    & skf21("3","5","3","1","5","4","1","1") = "4"
    & skf21("3","5","3","1","5","4","2","1") = "4"
    & skf21("3","5","3","1","5","4","3","1") = "4"
    & skf21("3","5","3","1","5","4","4","1") = "4"
    & skf21("3","5","3","1","5","4","5","1") = "4"
    & skf21("3","5","3","1","5","4","6","1") = "5"
    & skf21("3","5","3","1","5","4","7","1") = "6"
    & skf21("3","5","3","1","5","5","1","1") = "4"
    & skf21("3","5","3","1","5","5","2","1") = "4"
    & skf21("3","5","3","1","5","5","3","1") = "4"
    & skf21("3","5","3","1","5","5","4","1") = "4"
    & skf21("3","5","3","1","5","5","5","1") = "4"
    & skf21("3","5","3","1","5","5","6","1") = "5"
    & skf21("3","5","3","1","5","5","7","1") = "6"
    & skf21("3","5","3","1","5","6","1","1") = "5"
    & skf21("3","5","3","1","5","6","2","1") = "5"
    & skf21("3","5","3","1","5","6","3","1") = "5"
    & skf21("3","5","3","1","5","6","4","1") = "5"
    & skf21("3","5","3","1","5","6","5","1") = "5"
    & skf21("3","5","3","1","5","6","6","1") = "5"
    & skf21("3","5","3","1","5","6","7","1") = "6"
    & skf21("3","5","3","1","5","7","1","1") = "6"
    & skf21("3","5","3","1","5","7","2","1") = "6"
    & skf21("3","5","3","1","5","7","3","1") = "6"
    & skf21("3","5","3","1","5","7","4","1") = "6"
    & skf21("3","5","3","1","5","7","5","1") = "6"
    & skf21("3","5","3","1","5","7","6","1") = "6"
    & skf21("3","5","3","1","5","7","7","1") = "6"
    & skf21("3","5","3","1","6","1","1","1") = "5"
    & skf21("3","5","3","1","6","1","2","1") = "5"
    & skf21("3","5","3","1","6","1","3","1") = "5"
    & skf21("3","5","3","1","6","1","4","1") = "5"
    & skf21("3","5","3","1","6","1","5","1") = "5"
    & skf21("3","5","3","1","6","1","6","1") = "5"
    & skf21("3","5","3","1","6","1","7","1") = "6"
    & skf21("3","5","3","1","6","2","1","1") = "5"
    & skf21("3","5","3","1","6","2","2","1") = "5"
    & skf21("3","5","3","1","6","2","3","1") = "5"
    & skf21("3","5","3","1","6","2","4","1") = "5"
    & skf21("3","5","3","1","6","2","5","1") = "5"
    & skf21("3","5","3","1","6","2","6","1") = "5"
    & skf21("3","5","3","1","6","2","7","1") = "6"
    & skf21("3","5","3","1","6","3","1","1") = "5"
    & skf21("3","5","3","1","6","3","2","1") = "5"
    & skf21("3","5","3","1","6","3","3","1") = "5"
    & skf21("3","5","3","1","6","3","4","1") = "5"
    & skf21("3","5","3","1","6","3","5","1") = "5"
    & skf21("3","5","3","1","6","3","6","1") = "5"
    & skf21("3","5","3","1","6","3","7","1") = "6"
    & skf21("3","5","3","1","6","4","1","1") = "5"
    & skf21("3","5","3","1","6","4","2","1") = "5"
    & skf21("3","5","3","1","6","4","3","1") = "5"
    & skf21("3","5","3","1","6","4","4","1") = "5"
    & skf21("3","5","3","1","6","4","5","1") = "5"
    & skf21("3","5","3","1","6","4","6","1") = "5"
    & skf21("3","5","3","1","6","4","7","1") = "6"
    & skf21("3","5","3","1","6","5","1","1") = "5"
    & skf21("3","5","3","1","6","5","2","1") = "5"
    & skf21("3","5","3","1","6","5","3","1") = "5"
    & skf21("3","5","3","1","6","5","4","1") = "5"
    & skf21("3","5","3","1","6","5","5","1") = "5"
    & skf21("3","5","3","1","6","5","6","1") = "5"
    & skf21("3","5","3","1","6","5","7","1") = "6"
    & skf21("3","5","3","1","6","6","1","1") = "5"
    & skf21("3","5","3","1","6","6","2","1") = "5"
    & skf21("3","5","3","1","6","6","3","1") = "5"
    & skf21("3","5","3","1","6","6","4","1") = "5"
    & skf21("3","5","3","1","6","6","5","1") = "5"
    & skf21("3","5","3","1","6","6","6","1") = "5"
    & skf21("3","5","3","1","6","6","7","1") = "6"
    & skf21("3","5","3","1","6","7","1","1") = "6"
    & skf21("3","5","3","1","6","7","2","1") = "6"
    & skf21("3","5","3","1","6","7","3","1") = "6"
    & skf21("3","5","3","1","6","7","4","1") = "6"
    & skf21("3","5","3","1","6","7","5","1") = "6"
    & skf21("3","5","3","1","6","7","6","1") = "6"
    & skf21("3","5","3","1","6","7","7","1") = "6"
    & skf21("3","5","3","1","7","1","1","1") = "6"
    & skf21("3","5","3","1","7","1","2","1") = "6"
    & skf21("3","5","3","1","7","1","3","1") = "6"
    & skf21("3","5","3","1","7","1","4","1") = "6"
    & skf21("3","5","3","1","7","1","5","1") = "6"
    & skf21("3","5","3","1","7","1","6","1") = "6"
    & skf21("3","5","3","1","7","1","7","1") = "6"
    & skf21("3","5","3","1","7","2","1","1") = "6"
    & skf21("3","5","3","1","7","2","2","1") = "6"
    & skf21("3","5","3","1","7","2","3","1") = "6"
    & skf21("3","5","3","1","7","2","4","1") = "6"
    & skf21("3","5","3","1","7","2","5","1") = "6"
    & skf21("3","5","3","1","7","2","6","1") = "6"
    & skf21("3","5","3","1","7","2","7","1") = "6"
    & skf21("3","5","3","1","7","3","1","1") = "6"
    & skf21("3","5","3","1","7","3","2","1") = "6"
    & skf21("3","5","3","1","7","3","3","1") = "6"
    & skf21("3","5","3","1","7","3","4","1") = "6"
    & skf21("3","5","3","1","7","3","5","1") = "6"
    & skf21("3","5","3","1","7","3","6","1") = "6"
    & skf21("3","5","3","1","7","3","7","1") = "6"
    & skf21("3","5","3","1","7","4","1","1") = "6"
    & skf21("3","5","3","1","7","4","2","1") = "6"
    & skf21("3","5","3","1","7","4","3","1") = "6"
    & skf21("3","5","3","1","7","4","4","1") = "6"
    & skf21("3","5","3","1","7","4","5","1") = "6"
    & skf21("3","5","3","1","7","4","6","1") = "6"
    & skf21("3","5","3","1","7","4","7","1") = "6"
    & skf21("3","5","3","1","7","5","1","1") = "6"
    & skf21("3","5","3","1","7","5","2","1") = "6"
    & skf21("3","5","3","1","7","5","3","1") = "6"
    & skf21("3","5","3","1","7","5","4","1") = "6"
    & skf21("3","5","3","1","7","5","5","1") = "6"
    & skf21("3","5","3","1","7","5","6","1") = "6"
    & skf21("3","5","3","1","7","5","7","1") = "6"
    & skf21("3","5","3","1","7","6","1","1") = "6"
    & skf21("3","5","3","1","7","6","2","1") = "6"
    & skf21("3","5","3","1","7","6","3","1") = "6"
    & skf21("3","5","3","1","7","6","4","1") = "6"
    & skf21("3","5","3","1","7","6","5","1") = "6"
    & skf21("3","5","3","1","7","6","6","1") = "6"
    & skf21("3","5","3","1","7","6","7","1") = "6"
    & skf21("3","5","3","1","7","7","1","1") = "6"
    & skf21("3","5","3","1","7","7","2","1") = "6"
    & skf21("3","5","3","1","7","7","3","1") = "6"
    & skf21("3","5","3","1","7","7","4","1") = "6"
    & skf21("3","5","3","1","7","7","5","1") = "6"
    & skf21("3","5","3","1","7","7","6","1") = "6"
    & skf21("3","5","3","1","7","7","7","1") = "6"
    & skf21("3","5","3","2","1","1","1","1") = "4"
    & skf21("3","5","3","2","1","1","2","1") = "4"
    & skf21("3","5","3","2","1","1","3","1") = "4"
    & skf21("3","5","3","2","1","1","4","1") = "4"
    & skf21("3","5","3","2","1","1","5","1") = "4"
    & skf21("3","5","3","2","1","1","6","1") = "5"
    & skf21("3","5","3","2","1","1","7","1") = "6"
    & skf21("3","5","3","2","1","2","1","1") = "4"
    & skf21("3","5","3","2","1","2","2","1") = "4"
    & skf21("3","5","3","2","1","2","3","1") = "4"
    & skf21("3","5","3","2","1","2","4","1") = "4"
    & skf21("3","5","3","2","1","2","5","1") = "4"
    & skf21("3","5","3","2","1","2","6","1") = "5"
    & skf21("3","5","3","2","1","2","7","1") = "6"
    & skf21("3","5","3","2","1","3","1","1") = "4"
    & skf21("3","5","3","2","1","3","2","1") = "4"
    & skf21("3","5","3","2","1","3","3","1") = "4"
    & skf21("3","5","3","2","1","3","4","1") = "4"
    & skf21("3","5","3","2","1","3","5","1") = "4"
    & skf21("3","5","3","2","1","3","6","1") = "5"
    & skf21("3","5","3","2","1","3","7","1") = "6"
    & skf21("3","5","3","2","1","4","1","1") = "4"
    & skf21("3","5","3","2","1","4","2","1") = "4"
    & skf21("3","5","3","2","1","4","3","1") = "4"
    & skf21("3","5","3","2","1","4","4","1") = "4"
    & skf21("3","5","3","2","1","4","5","1") = "4"
    & skf21("3","5","3","2","1","4","6","1") = "5"
    & skf21("3","5","3","2","1","4","7","1") = "6"
    & skf21("3","5","3","2","1","5","1","1") = "4"
    & skf21("3","5","3","2","1","5","2","1") = "4"
    & skf21("3","5","3","2","1","5","3","1") = "4"
    & skf21("3","5","3","2","1","5","4","1") = "4"
    & skf21("3","5","3","2","1","5","5","1") = "4"
    & skf21("3","5","3","2","1","5","6","1") = "5"
    & skf21("3","5","3","2","1","5","7","1") = "6"
    & skf21("3","5","3","2","1","6","1","1") = "5"
    & skf21("3","5","3","2","1","6","2","1") = "5"
    & skf21("3","5","3","2","1","6","3","1") = "5"
    & skf21("3","5","3","2","1","6","4","1") = "5"
    & skf21("3","5","3","2","1","6","5","1") = "5"
    & skf21("3","5","3","2","1","6","6","1") = "5"
    & skf21("3","5","3","2","1","6","7","1") = "6"
    & skf21("3","5","3","2","1","7","1","1") = "6"
    & skf21("3","5","3","2","1","7","2","1") = "6"
    & skf21("3","5","3","2","1","7","3","1") = "6"
    & skf21("3","5","3","2","1","7","4","1") = "6"
    & skf21("3","5","3","2","1","7","5","1") = "6"
    & skf21("3","5","3","2","1","7","6","1") = "6"
    & skf21("3","5","3","2","1","7","7","1") = "6"
    & skf21("3","5","3","2","2","1","1","1") = "4"
    & skf21("3","5","3","2","2","1","2","1") = "4"
    & skf21("3","5","3","2","2","1","3","1") = "4"
    & skf21("3","5","3","2","2","1","4","1") = "4"
    & skf21("3","5","3","2","2","1","5","1") = "4"
    & skf21("3","5","3","2","2","1","6","1") = "5"
    & skf21("3","5","3","2","2","1","7","1") = "6"
    & skf21("3","5","3","2","2","2","1","1") = "4"
    & skf21("3","5","3","2","2","2","2","1") = "4"
    & skf21("3","5","3","2","2","2","3","1") = "4"
    & skf21("3","5","3","2","2","2","4","1") = "4"
    & skf21("3","5","3","2","2","2","5","1") = "4"
    & skf21("3","5","3","2","2","2","6","1") = "5"
    & skf21("3","5","3","2","2","2","7","1") = "6"
    & skf21("3","5","3","2","2","3","1","1") = "4"
    & skf21("3","5","3","2","2","3","2","1") = "4"
    & skf21("3","5","3","2","2","3","3","1") = "4"
    & skf21("3","5","3","2","2","3","4","1") = "4"
    & skf21("3","5","3","2","2","3","5","1") = "4"
    & skf21("3","5","3","2","2","3","6","1") = "5"
    & skf21("3","5","3","2","2","3","7","1") = "6"
    & skf21("3","5","3","2","2","4","1","1") = "4"
    & skf21("3","5","3","2","2","4","2","1") = "4"
    & skf21("3","5","3","2","2","4","3","1") = "4"
    & skf21("3","5","3","2","2","4","4","1") = "4"
    & skf21("3","5","3","2","2","4","5","1") = "4"
    & skf21("3","5","3","2","2","4","6","1") = "5"
    & skf21("3","5","3","2","2","4","7","1") = "6"
    & skf21("3","5","3","2","2","5","1","1") = "4"
    & skf21("3","5","3","2","2","5","2","1") = "4"
    & skf21("3","5","3","2","2","5","3","1") = "4"
    & skf21("3","5","3","2","2","5","4","1") = "4"
    & skf21("3","5","3","2","2","5","5","1") = "4"
    & skf21("3","5","3","2","2","5","6","1") = "5"
    & skf21("3","5","3","2","2","5","7","1") = "6"
    & skf21("3","5","3","2","2","6","1","1") = "5"
    & skf21("3","5","3","2","2","6","2","1") = "5"
    & skf21("3","5","3","2","2","6","3","1") = "5"
    & skf21("3","5","3","2","2","6","4","1") = "5"
    & skf21("3","5","3","2","2","6","5","1") = "5"
    & skf21("3","5","3","2","2","6","6","1") = "5"
    & skf21("3","5","3","2","2","6","7","1") = "6"
    & skf21("3","5","3","2","2","7","1","1") = "6"
    & skf21("3","5","3","2","2","7","2","1") = "6"
    & skf21("3","5","3","2","2","7","3","1") = "6"
    & skf21("3","5","3","2","2","7","4","1") = "6"
    & skf21("3","5","3","2","2","7","5","1") = "6"
    & skf21("3","5","3","2","2","7","6","1") = "6"
    & skf21("3","5","3","2","2","7","7","1") = "6"
    & skf21("3","5","3","2","3","1","1","1") = "4"
    & skf21("3","5","3","2","3","1","2","1") = "4"
    & skf21("3","5","3","2","3","1","3","1") = "4"
    & skf21("3","5","3","2","3","1","4","1") = "4"
    & skf21("3","5","3","2","3","1","5","1") = "4"
    & skf21("3","5","3","2","3","1","6","1") = "5"
    & skf21("3","5","3","2","3","1","7","1") = "6"
    & skf21("3","5","3","2","3","2","1","1") = "4"
    & skf21("3","5","3","2","3","2","2","1") = "4"
    & skf21("3","5","3","2","3","2","3","1") = "4"
    & skf21("3","5","3","2","3","2","4","1") = "4"
    & skf21("3","5","3","2","3","2","5","1") = "4"
    & skf21("3","5","3","2","3","2","6","1") = "5"
    & skf21("3","5","3","2","3","2","7","1") = "6"
    & skf21("3","5","3","2","3","3","1","1") = "4"
    & skf21("3","5","3","2","3","3","2","1") = "4"
    & skf21("3","5","3","2","3","3","3","1") = "4"
    & skf21("3","5","3","2","3","3","4","1") = "4"
    & skf21("3","5","3","2","3","3","5","1") = "4"
    & skf21("3","5","3","2","3","3","6","1") = "5"
    & skf21("3","5","3","2","3","3","7","1") = "6"
    & skf21("3","5","3","2","3","4","1","1") = "4"
    & skf21("3","5","3","2","3","4","2","1") = "4"
    & skf21("3","5","3","2","3","4","3","1") = "4"
    & skf21("3","5","3","2","3","4","4","1") = "4"
    & skf21("3","5","3","2","3","4","5","1") = "4"
    & skf21("3","5","3","2","3","4","6","1") = "5"
    & skf21("3","5","3","2","3","4","7","1") = "6"
    & skf21("3","5","3","2","3","5","1","1") = "4"
    & skf21("3","5","3","2","3","5","2","1") = "4"
    & skf21("3","5","3","2","3","5","3","1") = "4"
    & skf21("3","5","3","2","3","5","4","1") = "4"
    & skf21("3","5","3","2","3","5","5","1") = "4"
    & skf21("3","5","3","2","3","5","6","1") = "5"
    & skf21("3","5","3","2","3","5","7","1") = "6"
    & skf21("3","5","3","2","3","6","1","1") = "5"
    & skf21("3","5","3","2","3","6","2","1") = "5"
    & skf21("3","5","3","2","3","6","3","1") = "5"
    & skf21("3","5","3","2","3","6","4","1") = "5"
    & skf21("3","5","3","2","3","6","5","1") = "5"
    & skf21("3","5","3","2","3","6","6","1") = "5"
    & skf21("3","5","3","2","3","6","7","1") = "6"
    & skf21("3","5","3","2","3","7","1","1") = "6"
    & skf21("3","5","3","2","3","7","2","1") = "6"
    & skf21("3","5","3","2","3","7","3","1") = "6"
    & skf21("3","5","3","2","3","7","4","1") = "6"
    & skf21("3","5","3","2","3","7","5","1") = "6"
    & skf21("3","5","3","2","3","7","6","1") = "6"
    & skf21("3","5","3","2","3","7","7","1") = "6"
    & skf21("3","5","3","2","4","1","1","1") = "4"
    & skf21("3","5","3","2","4","1","2","1") = "4"
    & skf21("3","5","3","2","4","1","3","1") = "4"
    & skf21("3","5","3","2","4","1","4","1") = "4"
    & skf21("3","5","3","2","4","1","5","1") = "4"
    & skf21("3","5","3","2","4","1","6","1") = "5"
    & skf21("3","5","3","2","4","1","7","1") = "6"
    & skf21("3","5","3","2","4","2","1","1") = "4"
    & skf21("3","5","3","2","4","2","2","1") = "4"
    & skf21("3","5","3","2","4","2","3","1") = "4"
    & skf21("3","5","3","2","4","2","4","1") = "4"
    & skf21("3","5","3","2","4","2","5","1") = "4"
    & skf21("3","5","3","2","4","2","6","1") = "5"
    & skf21("3","5","3","2","4","2","7","1") = "6"
    & skf21("3","5","3","2","4","3","1","1") = "4"
    & skf21("3","5","3","2","4","3","2","1") = "4"
    & skf21("3","5","3","2","4","3","3","1") = "4"
    & skf21("3","5","3","2","4","3","4","1") = "4"
    & skf21("3","5","3","2","4","3","5","1") = "4"
    & skf21("3","5","3","2","4","3","6","1") = "5"
    & skf21("3","5","3","2","4","3","7","1") = "6"
    & skf21("3","5","3","2","4","4","1","1") = "4"
    & skf21("3","5","3","2","4","4","2","1") = "4"
    & skf21("3","5","3","2","4","4","3","1") = "4"
    & skf21("3","5","3","2","4","4","4","1") = "4"
    & skf21("3","5","3","2","4","4","5","1") = "4"
    & skf21("3","5","3","2","4","4","6","1") = "5"
    & skf21("3","5","3","2","4","4","7","1") = "6"
    & skf21("3","5","3","2","4","5","1","1") = "4"
    & skf21("3","5","3","2","4","5","2","1") = "4"
    & skf21("3","5","3","2","4","5","3","1") = "4"
    & skf21("3","5","3","2","4","5","4","1") = "4"
    & skf21("3","5","3","2","4","5","5","1") = "4"
    & skf21("3","5","3","2","4","5","6","1") = "5"
    & skf21("3","5","3","2","4","5","7","1") = "6"
    & skf21("3","5","3","2","4","6","1","1") = "5"
    & skf21("3","5","3","2","4","6","2","1") = "5"
    & skf21("3","5","3","2","4","6","3","1") = "5"
    & skf21("3","5","3","2","4","6","4","1") = "5"
    & skf21("3","5","3","2","4","6","5","1") = "5"
    & skf21("3","5","3","2","4","6","6","1") = "5"
    & skf21("3","5","3","2","4","6","7","1") = "6"
    & skf21("3","5","3","2","4","7","1","1") = "6"
    & skf21("3","5","3","2","4","7","2","1") = "6"
    & skf21("3","5","3","2","4","7","3","1") = "6"
    & skf21("3","5","3","2","4","7","4","1") = "6"
    & skf21("3","5","3","2","4","7","5","1") = "6"
    & skf21("3","5","3","2","4","7","6","1") = "6"
    & skf21("3","5","3","2","4","7","7","1") = "6"
    & skf21("3","5","3","2","5","1","1","1") = "4"
    & skf21("3","5","3","2","5","1","2","1") = "4"
    & skf21("3","5","3","2","5","1","3","1") = "4"
    & skf21("3","5","3","2","5","1","4","1") = "4"
    & skf21("3","5","3","2","5","1","5","1") = "4"
    & skf21("3","5","3","2","5","1","6","1") = "5"
    & skf21("3","5","3","2","5","1","7","1") = "6"
    & skf21("3","5","3","2","5","2","1","1") = "4"
    & skf21("3","5","3","2","5","2","2","1") = "4"
    & skf21("3","5","3","2","5","2","3","1") = "4"
    & skf21("3","5","3","2","5","2","4","1") = "4"
    & skf21("3","5","3","2","5","2","5","1") = "4"
    & skf21("3","5","3","2","5","2","6","1") = "5"
    & skf21("3","5","3","2","5","2","7","1") = "6"
    & skf21("3","5","3","2","5","3","1","1") = "4"
    & skf21("3","5","3","2","5","3","2","1") = "4"
    & skf21("3","5","3","2","5","3","3","1") = "4"
    & skf21("3","5","3","2","5","3","4","1") = "4"
    & skf21("3","5","3","2","5","3","5","1") = "4"
    & skf21("3","5","3","2","5","3","6","1") = "5"
    & skf21("3","5","3","2","5","3","7","1") = "6"
    & skf21("3","5","3","2","5","4","1","1") = "4"
    & skf21("3","5","3","2","5","4","2","1") = "4"
    & skf21("3","5","3","2","5","4","3","1") = "4"
    & skf21("3","5","3","2","5","4","4","1") = "4"
    & skf21("3","5","3","2","5","4","5","1") = "4"
    & skf21("3","5","3","2","5","4","6","1") = "5"
    & skf21("3","5","3","2","5","4","7","1") = "6"
    & skf21("3","5","3","2","5","5","1","1") = "4"
    & skf21("3","5","3","2","5","5","2","1") = "4"
    & skf21("3","5","3","2","5","5","3","1") = "4"
    & skf21("3","5","3","2","5","5","4","1") = "4"
    & skf21("3","5","3","2","5","5","5","1") = "4"
    & skf21("3","5","3","2","5","5","6","1") = "5"
    & skf21("3","5","3","2","5","5","7","1") = "6"
    & skf21("3","5","3","2","5","6","1","1") = "5"
    & skf21("3","5","3","2","5","6","2","1") = "5"
    & skf21("3","5","3","2","5","6","3","1") = "5"
    & skf21("3","5","3","2","5","6","4","1") = "5"
    & skf21("3","5","3","2","5","6","5","1") = "5"
    & skf21("3","5","3","2","5","6","6","1") = "5"
    & skf21("3","5","3","2","5","6","7","1") = "6"
    & skf21("3","5","3","2","5","7","1","1") = "6"
    & skf21("3","5","3","2","5","7","2","1") = "6"
    & skf21("3","5","3","2","5","7","3","1") = "6"
    & skf21("3","5","3","2","5","7","4","1") = "6"
    & skf21("3","5","3","2","5","7","5","1") = "6"
    & skf21("3","5","3","2","5","7","6","1") = "6"
    & skf21("3","5","3","2","5","7","7","1") = "6"
    & skf21("3","5","3","2","6","1","1","1") = "5"
    & skf21("3","5","3","2","6","1","2","1") = "5"
    & skf21("3","5","3","2","6","1","3","1") = "5"
    & skf21("3","5","3","2","6","1","4","1") = "5"
    & skf21("3","5","3","2","6","1","5","1") = "5"
    & skf21("3","5","3","2","6","1","6","1") = "5"
    & skf21("3","5","3","2","6","1","7","1") = "6"
    & skf21("3","5","3","2","6","2","1","1") = "5"
    & skf21("3","5","3","2","6","2","2","1") = "5"
    & skf21("3","5","3","2","6","2","3","1") = "5"
    & skf21("3","5","3","2","6","2","4","1") = "5"
    & skf21("3","5","3","2","6","2","5","1") = "5"
    & skf21("3","5","3","2","6","2","6","1") = "5"
    & skf21("3","5","3","2","6","2","7","1") = "6"
    & skf21("3","5","3","2","6","3","1","1") = "5"
    & skf21("3","5","3","2","6","3","2","1") = "5"
    & skf21("3","5","3","2","6","3","3","1") = "5"
    & skf21("3","5","3","2","6","3","4","1") = "5"
    & skf21("3","5","3","2","6","3","5","1") = "5"
    & skf21("3","5","3","2","6","3","6","1") = "5"
    & skf21("3","5","3","2","6","3","7","1") = "6"
    & skf21("3","5","3","2","6","4","1","1") = "5"
    & skf21("3","5","3","2","6","4","2","1") = "5"
    & skf21("3","5","3","2","6","4","3","1") = "5"
    & skf21("3","5","3","2","6","4","4","1") = "5"
    & skf21("3","5","3","2","6","4","5","1") = "5"
    & skf21("3","5","3","2","6","4","6","1") = "5"
    & skf21("3","5","3","2","6","4","7","1") = "6"
    & skf21("3","5","3","2","6","5","1","1") = "5"
    & skf21("3","5","3","2","6","5","2","1") = "5"
    & skf21("3","5","3","2","6","5","3","1") = "5"
    & skf21("3","5","3","2","6","5","4","1") = "5"
    & skf21("3","5","3","2","6","5","5","1") = "5"
    & skf21("3","5","3","2","6","5","6","1") = "5"
    & skf21("3","5","3","2","6","5","7","1") = "6"
    & skf21("3","5","3","2","6","6","1","1") = "5"
    & skf21("3","5","3","2","6","6","2","1") = "5"
    & skf21("3","5","3","2","6","6","3","1") = "5"
    & skf21("3","5","3","2","6","6","4","1") = "5"
    & skf21("3","5","3","2","6","6","5","1") = "5"
    & skf21("3","5","3","2","6","6","6","1") = "5"
    & skf21("3","5","3","2","6","6","7","1") = "6"
    & skf21("3","5","3","2","6","7","1","1") = "6"
    & skf21("3","5","3","2","6","7","2","1") = "6"
    & skf21("3","5","3","2","6","7","3","1") = "6"
    & skf21("3","5","3","2","6","7","4","1") = "6"
    & skf21("3","5","3","2","6","7","5","1") = "6"
    & skf21("3","5","3","2","6","7","6","1") = "6"
    & skf21("3","5","3","2","6","7","7","1") = "6"
    & skf21("3","5","3","2","7","1","1","1") = "6"
    & skf21("3","5","3","2","7","1","2","1") = "6"
    & skf21("3","5","3","2","7","1","3","1") = "6"
    & skf21("3","5","3","2","7","1","4","1") = "6"
    & skf21("3","5","3","2","7","1","5","1") = "6"
    & skf21("3","5","3","2","7","1","6","1") = "6"
    & skf21("3","5","3","2","7","1","7","1") = "6"
    & skf21("3","5","3","2","7","2","1","1") = "6"
    & skf21("3","5","3","2","7","2","2","1") = "6"
    & skf21("3","5","3","2","7","2","3","1") = "6"
    & skf21("3","5","3","2","7","2","4","1") = "6"
    & skf21("3","5","3","2","7","2","5","1") = "6"
    & skf21("3","5","3","2","7","2","6","1") = "6"
    & skf21("3","5","3","2","7","2","7","1") = "6"
    & skf21("3","5","3","2","7","3","1","1") = "6"
    & skf21("3","5","3","2","7","3","2","1") = "6"
    & skf21("3","5","3","2","7","3","3","1") = "6"
    & skf21("3","5","3","2","7","3","4","1") = "6"
    & skf21("3","5","3","2","7","3","5","1") = "6"
    & skf21("3","5","3","2","7","3","6","1") = "6"
    & skf21("3","5","3","2","7","3","7","1") = "6"
    & skf21("3","5","3","2","7","4","1","1") = "6"
    & skf21("3","5","3","2","7","4","2","1") = "6"
    & skf21("3","5","3","2","7","4","3","1") = "6"
    & skf21("3","5","3","2","7","4","4","1") = "6"
    & skf21("3","5","3","2","7","4","5","1") = "6"
    & skf21("3","5","3","2","7","4","6","1") = "6"
    & skf21("3","5","3","2","7","4","7","1") = "6"
    & skf21("3","5","3","2","7","5","1","1") = "6"
    & skf21("3","5","3","2","7","5","2","1") = "6"
    & skf21("3","5","3","2","7","5","3","1") = "6"
    & skf21("3","5","3","2","7","5","4","1") = "6"
    & skf21("3","5","3","2","7","5","5","1") = "6"
    & skf21("3","5","3","2","7","5","6","1") = "6"
    & skf21("3","5","3","2","7","5","7","1") = "6"
    & skf21("3","5","3","2","7","6","1","1") = "6"
    & skf21("3","5","3","2","7","6","2","1") = "6"
    & skf21("3","5","3","2","7","6","3","1") = "6"
    & skf21("3","5","3","2","7","6","4","1") = "6"
    & skf21("3","5","3","2","7","6","5","1") = "6"
    & skf21("3","5","3","2","7","6","6","1") = "6"
    & skf21("3","5","3","2","7","6","7","1") = "6"
    & skf21("3","5","3","2","7","7","1","1") = "6"
    & skf21("3","5","3","2","7","7","2","1") = "6"
    & skf21("3","5","3","2","7","7","3","1") = "6"
    & skf21("3","5","3","2","7","7","4","1") = "6"
    & skf21("3","5","3","2","7","7","5","1") = "6"
    & skf21("3","5","3","2","7","7","6","1") = "6"
    & skf21("3","5","3","2","7","7","7","1") = "6"
    & skf21("3","5","3","3","1","1","1","1") = "4"
    & skf21("3","5","3","3","1","1","2","1") = "4"
    & skf21("3","5","3","3","1","1","3","1") = "4"
    & skf21("3","5","3","3","1","1","4","1") = "4"
    & skf21("3","5","3","3","1","1","5","1") = "4"
    & skf21("3","5","3","3","1","1","6","1") = "5"
    & skf21("3","5","3","3","1","1","7","1") = "6"
    & skf21("3","5","3","3","1","2","1","1") = "4"
    & skf21("3","5","3","3","1","2","2","1") = "4"
    & skf21("3","5","3","3","1","2","3","1") = "4"
    & skf21("3","5","3","3","1","2","4","1") = "4"
    & skf21("3","5","3","3","1","2","5","1") = "4"
    & skf21("3","5","3","3","1","2","6","1") = "5"
    & skf21("3","5","3","3","1","2","7","1") = "6"
    & skf21("3","5","3","3","1","3","1","1") = "4"
    & skf21("3","5","3","3","1","3","2","1") = "4"
    & skf21("3","5","3","3","1","3","3","1") = "4"
    & skf21("3","5","3","3","1","3","4","1") = "4"
    & skf21("3","5","3","3","1","3","5","1") = "4"
    & skf21("3","5","3","3","1","3","6","1") = "5"
    & skf21("3","5","3","3","1","3","7","1") = "6"
    & skf21("3","5","3","3","1","4","1","1") = "4"
    & skf21("3","5","3","3","1","4","2","1") = "4"
    & skf21("3","5","3","3","1","4","3","1") = "4"
    & skf21("3","5","3","3","1","4","4","1") = "4"
    & skf21("3","5","3","3","1","4","5","1") = "4"
    & skf21("3","5","3","3","1","4","6","1") = "5"
    & skf21("3","5","3","3","1","4","7","1") = "6"
    & skf21("3","5","3","3","1","5","1","1") = "4"
    & skf21("3","5","3","3","1","5","2","1") = "4"
    & skf21("3","5","3","3","1","5","3","1") = "4"
    & skf21("3","5","3","3","1","5","4","1") = "4"
    & skf21("3","5","3","3","1","5","5","1") = "4"
    & skf21("3","5","3","3","1","5","6","1") = "5"
    & skf21("3","5","3","3","1","5","7","1") = "6"
    & skf21("3","5","3","3","1","6","1","1") = "5"
    & skf21("3","5","3","3","1","6","2","1") = "5"
    & skf21("3","5","3","3","1","6","3","1") = "5"
    & skf21("3","5","3","3","1","6","4","1") = "5"
    & skf21("3","5","3","3","1","6","5","1") = "5"
    & skf21("3","5","3","3","1","6","6","1") = "5"
    & skf21("3","5","3","3","1","6","7","1") = "6"
    & skf21("3","5","3","3","1","7","1","1") = "6"
    & skf21("3","5","3","3","1","7","2","1") = "6"
    & skf21("3","5","3","3","1","7","3","1") = "6"
    & skf21("3","5","3","3","1","7","4","1") = "6"
    & skf21("3","5","3","3","1","7","5","1") = "6"
    & skf21("3","5","3","3","1","7","6","1") = "6"
    & skf21("3","5","3","3","1","7","7","1") = "6"
    & skf21("3","5","3","3","2","1","1","1") = "4"
    & skf21("3","5","3","3","2","1","2","1") = "4"
    & skf21("3","5","3","3","2","1","3","1") = "4"
    & skf21("3","5","3","3","2","1","4","1") = "4"
    & skf21("3","5","3","3","2","1","5","1") = "4"
    & skf21("3","5","3","3","2","1","6","1") = "5"
    & skf21("3","5","3","3","2","1","7","1") = "6"
    & skf21("3","5","3","3","2","2","1","1") = "4"
    & skf21("3","5","3","3","2","2","2","1") = "4"
    & skf21("3","5","3","3","2","2","3","1") = "4"
    & skf21("3","5","3","3","2","2","4","1") = "4"
    & skf21("3","5","3","3","2","2","5","1") = "4"
    & skf21("3","5","3","3","2","2","6","1") = "5"
    & skf21("3","5","3","3","2","2","7","1") = "6"
    & skf21("3","5","3","3","2","3","1","1") = "4"
    & skf21("3","5","3","3","2","3","2","1") = "4"
    & skf21("3","5","3","3","2","3","3","1") = "4"
    & skf21("3","5","3","3","2","3","4","1") = "4"
    & skf21("3","5","3","3","2","3","5","1") = "4"
    & skf21("3","5","3","3","2","3","6","1") = "5"
    & skf21("3","5","3","3","2","3","7","1") = "6"
    & skf21("3","5","3","3","2","4","1","1") = "4"
    & skf21("3","5","3","3","2","4","2","1") = "4"
    & skf21("3","5","3","3","2","4","3","1") = "4"
    & skf21("3","5","3","3","2","4","4","1") = "4"
    & skf21("3","5","3","3","2","4","5","1") = "4"
    & skf21("3","5","3","3","2","4","6","1") = "5"
    & skf21("3","5","3","3","2","4","7","1") = "6"
    & skf21("3","5","3","3","2","5","1","1") = "4"
    & skf21("3","5","3","3","2","5","2","1") = "4"
    & skf21("3","5","3","3","2","5","3","1") = "4"
    & skf21("3","5","3","3","2","5","4","1") = "4"
    & skf21("3","5","3","3","2","5","5","1") = "4"
    & skf21("3","5","3","3","2","5","6","1") = "5"
    & skf21("3","5","3","3","2","5","7","1") = "6"
    & skf21("3","5","3","3","2","6","1","1") = "5"
    & skf21("3","5","3","3","2","6","2","1") = "5"
    & skf21("3","5","3","3","2","6","3","1") = "5"
    & skf21("3","5","3","3","2","6","4","1") = "5"
    & skf21("3","5","3","3","2","6","5","1") = "5"
    & skf21("3","5","3","3","2","6","6","1") = "5"
    & skf21("3","5","3","3","2","6","7","1") = "6"
    & skf21("3","5","3","3","2","7","1","1") = "6"
    & skf21("3","5","3","3","2","7","2","1") = "6"
    & skf21("3","5","3","3","2","7","3","1") = "6"
    & skf21("3","5","3","3","2","7","4","1") = "6"
    & skf21("3","5","3","3","2","7","5","1") = "6"
    & skf21("3","5","3","3","2","7","6","1") = "6"
    & skf21("3","5","3","3","2","7","7","1") = "6"
    & skf21("3","5","3","3","3","1","1","1") = "4"
    & skf21("3","5","3","3","3","1","2","1") = "4"
    & skf21("3","5","3","3","3","1","3","1") = "4"
    & skf21("3","5","3","3","3","1","4","1") = "4"
    & skf21("3","5","3","3","3","1","5","1") = "4"
    & skf21("3","5","3","3","3","1","6","1") = "5"
    & skf21("3","5","3","3","3","1","7","1") = "6"
    & skf21("3","5","3","3","3","2","1","1") = "4"
    & skf21("3","5","3","3","3","2","2","1") = "4"
    & skf21("3","5","3","3","3","2","3","1") = "4"
    & skf21("3","5","3","3","3","2","4","1") = "4"
    & skf21("3","5","3","3","3","2","5","1") = "4"
    & skf21("3","5","3","3","3","2","6","1") = "5"
    & skf21("3","5","3","3","3","2","7","1") = "6"
    & skf21("3","5","3","3","3","3","1","1") = "4"
    & skf21("3","5","3","3","3","3","2","1") = "4"
    & skf21("3","5","3","3","3","3","3","1") = "4"
    & skf21("3","5","3","3","3","3","4","1") = "4"
    & skf21("3","5","3","3","3","3","5","1") = "4"
    & skf21("3","5","3","3","3","3","6","1") = "5"
    & skf21("3","5","3","3","3","3","7","1") = "6"
    & skf21("3","5","3","3","3","4","1","1") = "4"
    & skf21("3","5","3","3","3","4","2","1") = "4"
    & skf21("3","5","3","3","3","4","3","1") = "4"
    & skf21("3","5","3","3","3","4","4","1") = "4"
    & skf21("3","5","3","3","3","4","5","1") = "4"
    & skf21("3","5","3","3","3","4","6","1") = "5"
    & skf21("3","5","3","3","3","4","7","1") = "6"
    & skf21("3","5","3","3","3","5","1","1") = "4"
    & skf21("3","5","3","3","3","5","2","1") = "4"
    & skf21("3","5","3","3","3","5","3","1") = "4"
    & skf21("3","5","3","3","3","5","4","1") = "4"
    & skf21("3","5","3","3","3","5","5","1") = "4"
    & skf21("3","5","3","3","3","5","6","1") = "5"
    & skf21("3","5","3","3","3","5","7","1") = "6"
    & skf21("3","5","3","3","3","6","1","1") = "5"
    & skf21("3","5","3","3","3","6","2","1") = "5"
    & skf21("3","5","3","3","3","6","3","1") = "5"
    & skf21("3","5","3","3","3","6","4","1") = "5"
    & skf21("3","5","3","3","3","6","5","1") = "5"
    & skf21("3","5","3","3","3","6","6","1") = "5"
    & skf21("3","5","3","3","3","6","7","1") = "6"
    & skf21("3","5","3","3","3","7","1","1") = "6"
    & skf21("3","5","3","3","3","7","2","1") = "6"
    & skf21("3","5","3","3","3","7","3","1") = "6"
    & skf21("3","5","3","3","3","7","4","1") = "6"
    & skf21("3","5","3","3","3","7","5","1") = "6"
    & skf21("3","5","3","3","3","7","6","1") = "6"
    & skf21("3","5","3","3","3","7","7","1") = "6"
    & skf21("3","5","3","3","4","1","1","1") = "4"
    & skf21("3","5","3","3","4","1","2","1") = "4"
    & skf21("3","5","3","3","4","1","3","1") = "4"
    & skf21("3","5","3","3","4","1","4","1") = "4"
    & skf21("3","5","3","3","4","1","5","1") = "4"
    & skf21("3","5","3","3","4","1","6","1") = "5"
    & skf21("3","5","3","3","4","1","7","1") = "6"
    & skf21("3","5","3","3","4","2","1","1") = "4"
    & skf21("3","5","3","3","4","2","2","1") = "4"
    & skf21("3","5","3","3","4","2","3","1") = "4"
    & skf21("3","5","3","3","4","2","4","1") = "4"
    & skf21("3","5","3","3","4","2","5","1") = "4"
    & skf21("3","5","3","3","4","2","6","1") = "5"
    & skf21("3","5","3","3","4","2","7","1") = "6"
    & skf21("3","5","3","3","4","3","1","1") = "4"
    & skf21("3","5","3","3","4","3","2","1") = "4"
    & skf21("3","5","3","3","4","3","3","1") = "4"
    & skf21("3","5","3","3","4","3","4","1") = "4"
    & skf21("3","5","3","3","4","3","5","1") = "4"
    & skf21("3","5","3","3","4","3","6","1") = "5"
    & skf21("3","5","3","3","4","3","7","1") = "6"
    & skf21("3","5","3","3","4","4","1","1") = "4"
    & skf21("3","5","3","3","4","4","2","1") = "4"
    & skf21("3","5","3","3","4","4","3","1") = "4"
    & skf21("3","5","3","3","4","4","4","1") = "4"
    & skf21("3","5","3","3","4","4","5","1") = "4"
    & skf21("3","5","3","3","4","4","6","1") = "5"
    & skf21("3","5","3","3","4","4","7","1") = "6"
    & skf21("3","5","3","3","4","5","1","1") = "4"
    & skf21("3","5","3","3","4","5","2","1") = "4"
    & skf21("3","5","3","3","4","5","3","1") = "4"
    & skf21("3","5","3","3","4","5","4","1") = "4"
    & skf21("3","5","3","3","4","5","5","1") = "4"
    & skf21("3","5","3","3","4","5","6","1") = "5"
    & skf21("3","5","3","3","4","5","7","1") = "6"
    & skf21("3","5","3","3","4","6","1","1") = "5"
    & skf21("3","5","3","3","4","6","2","1") = "5"
    & skf21("3","5","3","3","4","6","3","1") = "5"
    & skf21("3","5","3","3","4","6","4","1") = "5"
    & skf21("3","5","3","3","4","6","5","1") = "5"
    & skf21("3","5","3","3","4","6","6","1") = "5"
    & skf21("3","5","3","3","4","6","7","1") = "6"
    & skf21("3","5","3","3","4","7","1","1") = "6"
    & skf21("3","5","3","3","4","7","2","1") = "6"
    & skf21("3","5","3","3","4","7","3","1") = "6"
    & skf21("3","5","3","3","4","7","4","1") = "6"
    & skf21("3","5","3","3","4","7","5","1") = "6"
    & skf21("3","5","3","3","4","7","6","1") = "6"
    & skf21("3","5","3","3","4","7","7","1") = "6"
    & skf21("3","5","3","3","5","1","1","1") = "4"
    & skf21("3","5","3","3","5","1","2","1") = "4"
    & skf21("3","5","3","3","5","1","3","1") = "4"
    & skf21("3","5","3","3","5","1","4","1") = "4"
    & skf21("3","5","3","3","5","1","5","1") = "4"
    & skf21("3","5","3","3","5","1","6","1") = "5"
    & skf21("3","5","3","3","5","1","7","1") = "6"
    & skf21("3","5","3","3","5","2","1","1") = "4"
    & skf21("3","5","3","3","5","2","2","1") = "4"
    & skf21("3","5","3","3","5","2","3","1") = "4"
    & skf21("3","5","3","3","5","2","4","1") = "4"
    & skf21("3","5","3","3","5","2","5","1") = "4"
    & skf21("3","5","3","3","5","2","6","1") = "5"
    & skf21("3","5","3","3","5","2","7","1") = "6"
    & skf21("3","5","3","3","5","3","1","1") = "4"
    & skf21("3","5","3","3","5","3","2","1") = "4"
    & skf21("3","5","3","3","5","3","3","1") = "4"
    & skf21("3","5","3","3","5","3","4","1") = "4"
    & skf21("3","5","3","3","5","3","5","1") = "4"
    & skf21("3","5","3","3","5","3","6","1") = "5"
    & skf21("3","5","3","3","5","3","7","1") = "6"
    & skf21("3","5","3","3","5","4","1","1") = "4"
    & skf21("3","5","3","3","5","4","2","1") = "4"
    & skf21("3","5","3","3","5","4","3","1") = "4"
    & skf21("3","5","3","3","5","4","4","1") = "4"
    & skf21("3","5","3","3","5","4","5","1") = "4"
    & skf21("3","5","3","3","5","4","6","1") = "5"
    & skf21("3","5","3","3","5","4","7","1") = "6"
    & skf21("3","5","3","3","5","5","1","1") = "4"
    & skf21("3","5","3","3","5","5","2","1") = "4"
    & skf21("3","5","3","3","5","5","3","1") = "4"
    & skf21("3","5","3","3","5","5","4","1") = "4"
    & skf21("3","5","3","3","5","5","5","1") = "4"
    & skf21("3","5","3","3","5","5","6","1") = "5"
    & skf21("3","5","3","3","5","5","7","1") = "6"
    & skf21("3","5","3","3","5","6","1","1") = "5"
    & skf21("3","5","3","3","5","6","2","1") = "5"
    & skf21("3","5","3","3","5","6","3","1") = "5"
    & skf21("3","5","3","3","5","6","4","1") = "5"
    & skf21("3","5","3","3","5","6","5","1") = "5"
    & skf21("3","5","3","3","5","6","6","1") = "5"
    & skf21("3","5","3","3","5","6","7","1") = "6"
    & skf21("3","5","3","3","5","7","1","1") = "6"
    & skf21("3","5","3","3","5","7","2","1") = "6"
    & skf21("3","5","3","3","5","7","3","1") = "6"
    & skf21("3","5","3","3","5","7","4","1") = "6"
    & skf21("3","5","3","3","5","7","5","1") = "6"
    & skf21("3","5","3","3","5","7","6","1") = "6"
    & skf21("3","5","3","3","5","7","7","1") = "6"
    & skf21("3","5","3","3","6","1","1","1") = "5"
    & skf21("3","5","3","3","6","1","2","1") = "5"
    & skf21("3","5","3","3","6","1","3","1") = "5"
    & skf21("3","5","3","3","6","1","4","1") = "5"
    & skf21("3","5","3","3","6","1","5","1") = "5"
    & skf21("3","5","3","3","6","1","6","1") = "5"
    & skf21("3","5","3","3","6","1","7","1") = "6"
    & skf21("3","5","3","3","6","2","1","1") = "5"
    & skf21("3","5","3","3","6","2","2","1") = "5"
    & skf21("3","5","3","3","6","2","3","1") = "5"
    & skf21("3","5","3","3","6","2","4","1") = "5"
    & skf21("3","5","3","3","6","2","5","1") = "5"
    & skf21("3","5","3","3","6","2","6","1") = "5"
    & skf21("3","5","3","3","6","2","7","1") = "6"
    & skf21("3","5","3","3","6","3","1","1") = "5"
    & skf21("3","5","3","3","6","3","2","1") = "5"
    & skf21("3","5","3","3","6","3","3","1") = "5"
    & skf21("3","5","3","3","6","3","4","1") = "5"
    & skf21("3","5","3","3","6","3","5","1") = "5"
    & skf21("3","5","3","3","6","3","6","1") = "5"
    & skf21("3","5","3","3","6","3","7","1") = "6"
    & skf21("3","5","3","3","6","4","1","1") = "5"
    & skf21("3","5","3","3","6","4","2","1") = "5"
    & skf21("3","5","3","3","6","4","3","1") = "5"
    & skf21("3","5","3","3","6","4","4","1") = "5"
    & skf21("3","5","3","3","6","4","5","1") = "5"
    & skf21("3","5","3","3","6","4","6","1") = "5"
    & skf21("3","5","3","3","6","4","7","1") = "6"
    & skf21("3","5","3","3","6","5","1","1") = "5"
    & skf21("3","5","3","3","6","5","2","1") = "5"
    & skf21("3","5","3","3","6","5","3","1") = "5"
    & skf21("3","5","3","3","6","5","4","1") = "5"
    & skf21("3","5","3","3","6","5","5","1") = "5"
    & skf21("3","5","3","3","6","5","6","1") = "5"
    & skf21("3","5","3","3","6","5","7","1") = "6"
    & skf21("3","5","3","3","6","6","1","1") = "5"
    & skf21("3","5","3","3","6","6","2","1") = "5"
    & skf21("3","5","3","3","6","6","3","1") = "5"
    & skf21("3","5","3","3","6","6","4","1") = "5"
    & skf21("3","5","3","3","6","6","5","1") = "5"
    & skf21("3","5","3","3","6","6","6","1") = "5"
    & skf21("3","5","3","3","6","6","7","1") = "6"
    & skf21("3","5","3","3","6","7","1","1") = "6"
    & skf21("3","5","3","3","6","7","2","1") = "6"
    & skf21("3","5","3","3","6","7","3","1") = "6"
    & skf21("3","5","3","3","6","7","4","1") = "6"
    & skf21("3","5","3","3","6","7","5","1") = "6"
    & skf21("3","5","3","3","6","7","6","1") = "6"
    & skf21("3","5","3","3","6","7","7","1") = "6"
    & skf21("3","5","3","3","7","1","1","1") = "6"
    & skf21("3","5","3","3","7","1","2","1") = "6"
    & skf21("3","5","3","3","7","1","3","1") = "6"
    & skf21("3","5","3","3","7","1","4","1") = "6"
    & skf21("3","5","3","3","7","1","5","1") = "6"
    & skf21("3","5","3","3","7","1","6","1") = "6"
    & skf21("3","5","3","3","7","1","7","1") = "6"
    & skf21("3","5","3","3","7","2","1","1") = "6"
    & skf21("3","5","3","3","7","2","2","1") = "6"
    & skf21("3","5","3","3","7","2","3","1") = "6"
    & skf21("3","5","3","3","7","2","4","1") = "6"
    & skf21("3","5","3","3","7","2","5","1") = "6"
    & skf21("3","5","3","3","7","2","6","1") = "6"
    & skf21("3","5","3","3","7","2","7","1") = "6"
    & skf21("3","5","3","3","7","3","1","1") = "6"
    & skf21("3","5","3","3","7","3","2","1") = "6"
    & skf21("3","5","3","3","7","3","3","1") = "6"
    & skf21("3","5","3","3","7","3","4","1") = "6"
    & skf21("3","5","3","3","7","3","5","1") = "6"
    & skf21("3","5","3","3","7","3","6","1") = "6"
    & skf21("3","5","3","3","7","3","7","1") = "6"
    & skf21("3","5","3","3","7","4","1","1") = "6"
    & skf21("3","5","3","3","7","4","2","1") = "6"
    & skf21("3","5","3","3","7","4","3","1") = "6"
    & skf21("3","5","3","3","7","4","4","1") = "6"
    & skf21("3","5","3","3","7","4","5","1") = "6"
    & skf21("3","5","3","3","7","4","6","1") = "6"
    & skf21("3","5","3","3","7","4","7","1") = "6"
    & skf21("3","5","3","3","7","5","1","1") = "6"
    & skf21("3","5","3","3","7","5","2","1") = "6"
    & skf21("3","5","3","3","7","5","3","1") = "6"
    & skf21("3","5","3","3","7","5","4","1") = "6"
    & skf21("3","5","3","3","7","5","5","1") = "6"
    & skf21("3","5","3","3","7","5","6","1") = "6"
    & skf21("3","5","3","3","7","5","7","1") = "6"
    & skf21("3","5","3","3","7","6","1","1") = "6"
    & skf21("3","5","3","3","7","6","2","1") = "6"
    & skf21("3","5","3","3","7","6","3","1") = "6"
    & skf21("3","5","3","3","7","6","4","1") = "6"
    & skf21("3","5","3","3","7","6","5","1") = "6"
    & skf21("3","5","3","3","7","6","6","1") = "6"
    & skf21("3","5","3","3","7","6","7","1") = "6"
    & skf21("3","5","3","3","7","7","1","1") = "6"
    & skf21("3","5","3","3","7","7","2","1") = "6"
    & skf21("3","5","3","3","7","7","3","1") = "6"
    & skf21("3","5","3","3","7","7","4","1") = "6"
    & skf21("3","5","3","3","7","7","5","1") = "6"
    & skf21("3","5","3","3","7","7","6","1") = "6"
    & skf21("3","5","3","3","7","7","7","1") = "6"
    & skf21("3","5","3","4","1","1","1","1") = "4"
    & skf21("3","5","3","4","1","1","2","1") = "4"
    & skf21("3","5","3","4","1","1","3","1") = "4"
    & skf21("3","5","3","4","1","1","4","1") = "4"
    & skf21("3","5","3","4","1","1","5","1") = "4"
    & skf21("3","5","3","4","1","1","6","1") = "5"
    & skf21("3","5","3","4","1","1","7","1") = "6"
    & skf21("3","5","3","4","1","2","1","1") = "4"
    & skf21("3","5","3","4","1","2","2","1") = "4"
    & skf21("3","5","3","4","1","2","3","1") = "4"
    & skf21("3","5","3","4","1","2","4","1") = "4"
    & skf21("3","5","3","4","1","2","5","1") = "4"
    & skf21("3","5","3","4","1","2","6","1") = "5"
    & skf21("3","5","3","4","1","2","7","1") = "6"
    & skf21("3","5","3","4","1","3","1","1") = "4"
    & skf21("3","5","3","4","1","3","2","1") = "4"
    & skf21("3","5","3","4","1","3","3","1") = "4"
    & skf21("3","5","3","4","1","3","4","1") = "4"
    & skf21("3","5","3","4","1","3","5","1") = "4"
    & skf21("3","5","3","4","1","3","6","1") = "5"
    & skf21("3","5","3","4","1","3","7","1") = "6"
    & skf21("3","5","3","4","1","4","1","1") = "4"
    & skf21("3","5","3","4","1","4","2","1") = "4"
    & skf21("3","5","3","4","1","4","3","1") = "4"
    & skf21("3","5","3","4","1","4","4","1") = "4"
    & skf21("3","5","3","4","1","4","5","1") = "4"
    & skf21("3","5","3","4","1","4","6","1") = "5"
    & skf21("3","5","3","4","1","4","7","1") = "6"
    & skf21("3","5","3","4","1","5","1","1") = "4"
    & skf21("3","5","3","4","1","5","2","1") = "4"
    & skf21("3","5","3","4","1","5","3","1") = "4"
    & skf21("3","5","3","4","1","5","4","1") = "4"
    & skf21("3","5","3","4","1","5","5","1") = "4"
    & skf21("3","5","3","4","1","5","6","1") = "5"
    & skf21("3","5","3","4","1","5","7","1") = "6"
    & skf21("3","5","3","4","1","6","1","1") = "5"
    & skf21("3","5","3","4","1","6","2","1") = "5"
    & skf21("3","5","3","4","1","6","3","1") = "5"
    & skf21("3","5","3","4","1","6","4","1") = "5"
    & skf21("3","5","3","4","1","6","5","1") = "5"
    & skf21("3","5","3","4","1","6","6","1") = "5"
    & skf21("3","5","3","4","1","6","7","1") = "6"
    & skf21("3","5","3","4","1","7","1","1") = "6"
    & skf21("3","5","3","4","1","7","2","1") = "6"
    & skf21("3","5","3","4","1","7","3","1") = "6"
    & skf21("3","5","3","4","1","7","4","1") = "6"
    & skf21("3","5","3","4","1","7","5","1") = "6"
    & skf21("3","5","3","4","1","7","6","1") = "6"
    & skf21("3","5","3","4","1","7","7","1") = "6"
    & skf21("3","5","3","4","2","1","1","1") = "4"
    & skf21("3","5","3","4","2","1","2","1") = "4"
    & skf21("3","5","3","4","2","1","3","1") = "4"
    & skf21("3","5","3","4","2","1","4","1") = "4"
    & skf21("3","5","3","4","2","1","5","1") = "4"
    & skf21("3","5","3","4","2","1","6","1") = "5"
    & skf21("3","5","3","4","2","1","7","1") = "6"
    & skf21("3","5","3","4","2","2","1","1") = "4"
    & skf21("3","5","3","4","2","2","2","1") = "4"
    & skf21("3","5","3","4","2","2","3","1") = "4"
    & skf21("3","5","3","4","2","2","4","1") = "4"
    & skf21("3","5","3","4","2","2","5","1") = "4"
    & skf21("3","5","3","4","2","2","6","1") = "5"
    & skf21("3","5","3","4","2","2","7","1") = "6"
    & skf21("3","5","3","4","2","3","1","1") = "4"
    & skf21("3","5","3","4","2","3","2","1") = "4"
    & skf21("3","5","3","4","2","3","3","1") = "4"
    & skf21("3","5","3","4","2","3","4","1") = "4"
    & skf21("3","5","3","4","2","3","5","1") = "4"
    & skf21("3","5","3","4","2","3","6","1") = "5"
    & skf21("3","5","3","4","2","3","7","1") = "6"
    & skf21("3","5","3","4","2","4","1","1") = "4"
    & skf21("3","5","3","4","2","4","2","1") = "4"
    & skf21("3","5","3","4","2","4","3","1") = "4"
    & skf21("3","5","3","4","2","4","4","1") = "4"
    & skf21("3","5","3","4","2","4","5","1") = "4"
    & skf21("3","5","3","4","2","4","6","1") = "5"
    & skf21("3","5","3","4","2","4","7","1") = "6"
    & skf21("3","5","3","4","2","5","1","1") = "4"
    & skf21("3","5","3","4","2","5","2","1") = "4"
    & skf21("3","5","3","4","2","5","3","1") = "4"
    & skf21("3","5","3","4","2","5","4","1") = "4"
    & skf21("3","5","3","4","2","5","5","1") = "4"
    & skf21("3","5","3","4","2","5","6","1") = "5"
    & skf21("3","5","3","4","2","5","7","1") = "6"
    & skf21("3","5","3","4","2","6","1","1") = "5"
    & skf21("3","5","3","4","2","6","2","1") = "5"
    & skf21("3","5","3","4","2","6","3","1") = "5"
    & skf21("3","5","3","4","2","6","4","1") = "5"
    & skf21("3","5","3","4","2","6","5","1") = "5"
    & skf21("3","5","3","4","2","6","6","1") = "5"
    & skf21("3","5","3","4","2","6","7","1") = "6"
    & skf21("3","5","3","4","2","7","1","1") = "6"
    & skf21("3","5","3","4","2","7","2","1") = "6"
    & skf21("3","5","3","4","2","7","3","1") = "6"
    & skf21("3","5","3","4","2","7","4","1") = "6"
    & skf21("3","5","3","4","2","7","5","1") = "6"
    & skf21("3","5","3","4","2","7","6","1") = "6"
    & skf21("3","5","3","4","2","7","7","1") = "6"
    & skf21("3","5","3","4","3","1","1","1") = "4"
    & skf21("3","5","3","4","3","1","2","1") = "4"
    & skf21("3","5","3","4","3","1","3","1") = "4"
    & skf21("3","5","3","4","3","1","4","1") = "4"
    & skf21("3","5","3","4","3","1","5","1") = "4"
    & skf21("3","5","3","4","3","1","6","1") = "5"
    & skf21("3","5","3","4","3","1","7","1") = "6"
    & skf21("3","5","3","4","3","2","1","1") = "4"
    & skf21("3","5","3","4","3","2","2","1") = "4"
    & skf21("3","5","3","4","3","2","3","1") = "4"
    & skf21("3","5","3","4","3","2","4","1") = "4"
    & skf21("3","5","3","4","3","2","5","1") = "4"
    & skf21("3","5","3","4","3","2","6","1") = "5"
    & skf21("3","5","3","4","3","2","7","1") = "6"
    & skf21("3","5","3","4","3","3","1","1") = "4"
    & skf21("3","5","3","4","3","3","2","1") = "4"
    & skf21("3","5","3","4","3","3","3","1") = "4"
    & skf21("3","5","3","4","3","3","4","1") = "4"
    & skf21("3","5","3","4","3","3","5","1") = "4"
    & skf21("3","5","3","4","3","3","6","1") = "5"
    & skf21("3","5","3","4","3","3","7","1") = "6"
    & skf21("3","5","3","4","3","4","1","1") = "4"
    & skf21("3","5","3","4","3","4","2","1") = "4"
    & skf21("3","5","3","4","3","4","3","1") = "4"
    & skf21("3","5","3","4","3","4","4","1") = "4"
    & skf21("3","5","3","4","3","4","5","1") = "4"
    & skf21("3","5","3","4","3","4","6","1") = "5"
    & skf21("3","5","3","4","3","4","7","1") = "6"
    & skf21("3","5","3","4","3","5","1","1") = "4"
    & skf21("3","5","3","4","3","5","2","1") = "4"
    & skf21("3","5","3","4","3","5","3","1") = "4"
    & skf21("3","5","3","4","3","5","4","1") = "4"
    & skf21("3","5","3","4","3","5","5","1") = "4"
    & skf21("3","5","3","4","3","5","6","1") = "5"
    & skf21("3","5","3","4","3","5","7","1") = "6"
    & skf21("3","5","3","4","3","6","1","1") = "5"
    & skf21("3","5","3","4","3","6","2","1") = "5"
    & skf21("3","5","3","4","3","6","3","1") = "5"
    & skf21("3","5","3","4","3","6","4","1") = "5"
    & skf21("3","5","3","4","3","6","5","1") = "5"
    & skf21("3","5","3","4","3","6","6","1") = "5"
    & skf21("3","5","3","4","3","6","7","1") = "6"
    & skf21("3","5","3","4","3","7","1","1") = "6"
    & skf21("3","5","3","4","3","7","2","1") = "6"
    & skf21("3","5","3","4","3","7","3","1") = "6"
    & skf21("3","5","3","4","3","7","4","1") = "6"
    & skf21("3","5","3","4","3","7","5","1") = "6"
    & skf21("3","5","3","4","3","7","6","1") = "6"
    & skf21("3","5","3","4","3","7","7","1") = "6"
    & skf21("3","5","3","4","4","1","1","1") = "4"
    & skf21("3","5","3","4","4","1","2","1") = "4"
    & skf21("3","5","3","4","4","1","3","1") = "4"
    & skf21("3","5","3","4","4","1","4","1") = "4"
    & skf21("3","5","3","4","4","1","5","1") = "4"
    & skf21("3","5","3","4","4","1","6","1") = "5"
    & skf21("3","5","3","4","4","1","7","1") = "6"
    & skf21("3","5","3","4","4","2","1","1") = "4"
    & skf21("3","5","3","4","4","2","2","1") = "4"
    & skf21("3","5","3","4","4","2","3","1") = "4"
    & skf21("3","5","3","4","4","2","4","1") = "4"
    & skf21("3","5","3","4","4","2","5","1") = "4"
    & skf21("3","5","3","4","4","2","6","1") = "5"
    & skf21("3","5","3","4","4","2","7","1") = "6"
    & skf21("3","5","3","4","4","3","1","1") = "4"
    & skf21("3","5","3","4","4","3","2","1") = "4"
    & skf21("3","5","3","4","4","3","3","1") = "4"
    & skf21("3","5","3","4","4","3","4","1") = "4"
    & skf21("3","5","3","4","4","3","5","1") = "4"
    & skf21("3","5","3","4","4","3","6","1") = "5"
    & skf21("3","5","3","4","4","3","7","1") = "6"
    & skf21("3","5","3","4","4","4","1","1") = "4"
    & skf21("3","5","3","4","4","4","2","1") = "4"
    & skf21("3","5","3","4","4","4","3","1") = "4"
    & skf21("3","5","3","4","4","4","4","1") = "4"
    & skf21("3","5","3","4","4","4","5","1") = "4"
    & skf21("3","5","3","4","4","4","6","1") = "5"
    & skf21("3","5","3","4","4","4","7","1") = "6"
    & skf21("3","5","3","4","4","5","1","1") = "4"
    & skf21("3","5","3","4","4","5","2","1") = "4"
    & skf21("3","5","3","4","4","5","3","1") = "4"
    & skf21("3","5","3","4","4","5","4","1") = "4"
    & skf21("3","5","3","4","4","5","5","1") = "4"
    & skf21("3","5","3","4","4","5","6","1") = "5"
    & skf21("3","5","3","4","4","5","7","1") = "6"
    & skf21("3","5","3","4","4","6","1","1") = "5"
    & skf21("3","5","3","4","4","6","2","1") = "5"
    & skf21("3","5","3","4","4","6","3","1") = "5"
    & skf21("3","5","3","4","4","6","4","1") = "5"
    & skf21("3","5","3","4","4","6","5","1") = "5"
    & skf21("3","5","3","4","4","6","6","1") = "5"
    & skf21("3","5","3","4","4","6","7","1") = "6"
    & skf21("3","5","3","4","4","7","1","1") = "6"
    & skf21("3","5","3","4","4","7","2","1") = "6"
    & skf21("3","5","3","4","4","7","3","1") = "6"
    & skf21("3","5","3","4","4","7","4","1") = "6"
    & skf21("3","5","3","4","4","7","5","1") = "6"
    & skf21("3","5","3","4","4","7","6","1") = "6"
    & skf21("3","5","3","4","4","7","7","1") = "6"
    & skf21("3","5","3","4","5","1","1","1") = "4"
    & skf21("3","5","3","4","5","1","2","1") = "4"
    & skf21("3","5","3","4","5","1","3","1") = "4"
    & skf21("3","5","3","4","5","1","4","1") = "4"
    & skf21("3","5","3","4","5","1","5","1") = "4"
    & skf21("3","5","3","4","5","1","6","1") = "5"
    & skf21("3","5","3","4","5","1","7","1") = "6"
    & skf21("3","5","3","4","5","2","1","1") = "4"
    & skf21("3","5","3","4","5","2","2","1") = "4"
    & skf21("3","5","3","4","5","2","3","1") = "4"
    & skf21("3","5","3","4","5","2","4","1") = "4"
    & skf21("3","5","3","4","5","2","5","1") = "4"
    & skf21("3","5","3","4","5","2","6","1") = "5"
    & skf21("3","5","3","4","5","2","7","1") = "6"
    & skf21("3","5","3","4","5","3","1","1") = "4"
    & skf21("3","5","3","4","5","3","2","1") = "4"
    & skf21("3","5","3","4","5","3","3","1") = "4"
    & skf21("3","5","3","4","5","3","4","1") = "4"
    & skf21("3","5","3","4","5","3","5","1") = "4"
    & skf21("3","5","3","4","5","3","6","1") = "5"
    & skf21("3","5","3","4","5","3","7","1") = "6"
    & skf21("3","5","3","4","5","4","1","1") = "4"
    & skf21("3","5","3","4","5","4","2","1") = "4"
    & skf21("3","5","3","4","5","4","3","1") = "4"
    & skf21("3","5","3","4","5","4","4","1") = "4"
    & skf21("3","5","3","4","5","4","5","1") = "4"
    & skf21("3","5","3","4","5","4","6","1") = "5"
    & skf21("3","5","3","4","5","4","7","1") = "6"
    & skf21("3","5","3","4","5","5","1","1") = "4"
    & skf21("3","5","3","4","5","5","2","1") = "4"
    & skf21("3","5","3","4","5","5","3","1") = "4"
    & skf21("3","5","3","4","5","5","4","1") = "4"
    & skf21("3","5","3","4","5","5","5","1") = "4"
    & skf21("3","5","3","4","5","5","6","1") = "5"
    & skf21("3","5","3","4","5","5","7","1") = "6"
    & skf21("3","5","3","4","5","6","1","1") = "5"
    & skf21("3","5","3","4","5","6","2","1") = "5"
    & skf21("3","5","3","4","5","6","3","1") = "5"
    & skf21("3","5","3","4","5","6","4","1") = "5"
    & skf21("3","5","3","4","5","6","5","1") = "5"
    & skf21("3","5","3","4","5","6","6","1") = "5"
    & skf21("3","5","3","4","5","6","7","1") = "6"
    & skf21("3","5","3","4","5","7","1","1") = "6"
    & skf21("3","5","3","4","5","7","2","1") = "6"
    & skf21("3","5","3","4","5","7","3","1") = "6"
    & skf21("3","5","3","4","5","7","4","1") = "6"
    & skf21("3","5","3","4","5","7","5","1") = "6"
    & skf21("3","5","3","4","5","7","6","1") = "6"
    & skf21("3","5","3","4","5","7","7","1") = "6"
    & skf21("3","5","3","4","6","1","1","1") = "5"
    & skf21("3","5","3","4","6","1","2","1") = "5"
    & skf21("3","5","3","4","6","1","3","1") = "5"
    & skf21("3","5","3","4","6","1","4","1") = "5"
    & skf21("3","5","3","4","6","1","5","1") = "5"
    & skf21("3","5","3","4","6","1","6","1") = "5"
    & skf21("3","5","3","4","6","1","7","1") = "6"
    & skf21("3","5","3","4","6","2","1","1") = "5"
    & skf21("3","5","3","4","6","2","2","1") = "5"
    & skf21("3","5","3","4","6","2","3","1") = "5"
    & skf21("3","5","3","4","6","2","4","1") = "5"
    & skf21("3","5","3","4","6","2","5","1") = "5"
    & skf21("3","5","3","4","6","2","6","1") = "5"
    & skf21("3","5","3","4","6","2","7","1") = "6"
    & skf21("3","5","3","4","6","3","1","1") = "5"
    & skf21("3","5","3","4","6","3","2","1") = "5"
    & skf21("3","5","3","4","6","3","3","1") = "5"
    & skf21("3","5","3","4","6","3","4","1") = "5"
    & skf21("3","5","3","4","6","3","5","1") = "5"
    & skf21("3","5","3","4","6","3","6","1") = "5"
    & skf21("3","5","3","4","6","3","7","1") = "6"
    & skf21("3","5","3","4","6","4","1","1") = "5"
    & skf21("3","5","3","4","6","4","2","1") = "5"
    & skf21("3","5","3","4","6","4","3","1") = "5"
    & skf21("3","5","3","4","6","4","4","1") = "5"
    & skf21("3","5","3","4","6","4","5","1") = "5"
    & skf21("3","5","3","4","6","4","6","1") = "5"
    & skf21("3","5","3","4","6","4","7","1") = "6"
    & skf21("3","5","3","4","6","5","1","1") = "5"
    & skf21("3","5","3","4","6","5","2","1") = "5"
    & skf21("3","5","3","4","6","5","3","1") = "5"
    & skf21("3","5","3","4","6","5","4","1") = "5"
    & skf21("3","5","3","4","6","5","5","1") = "5"
    & skf21("3","5","3","4","6","5","6","1") = "5"
    & skf21("3","5","3","4","6","5","7","1") = "6"
    & skf21("3","5","3","4","6","6","1","1") = "5"
    & skf21("3","5","3","4","6","6","2","1") = "5"
    & skf21("3","5","3","4","6","6","3","1") = "5"
    & skf21("3","5","3","4","6","6","4","1") = "5"
    & skf21("3","5","3","4","6","6","5","1") = "5"
    & skf21("3","5","3","4","6","6","6","1") = "5"
    & skf21("3","5","3","4","6","6","7","1") = "6"
    & skf21("3","5","3","4","6","7","1","1") = "6"
    & skf21("3","5","3","4","6","7","2","1") = "6"
    & skf21("3","5","3","4","6","7","3","1") = "6"
    & skf21("3","5","3","4","6","7","4","1") = "6"
    & skf21("3","5","3","4","6","7","5","1") = "6"
    & skf21("3","5","3","4","6","7","6","1") = "6"
    & skf21("3","5","3","4","6","7","7","1") = "6"
    & skf21("3","5","3","4","7","1","1","1") = "6"
    & skf21("3","5","3","4","7","1","2","1") = "6"
    & skf21("3","5","3","4","7","1","3","1") = "6"
    & skf21("3","5","3","4","7","1","4","1") = "6"
    & skf21("3","5","3","4","7","1","5","1") = "6"
    & skf21("3","5","3","4","7","1","6","1") = "6"
    & skf21("3","5","3","4","7","1","7","1") = "6"
    & skf21("3","5","3","4","7","2","1","1") = "6"
    & skf21("3","5","3","4","7","2","2","1") = "6"
    & skf21("3","5","3","4","7","2","3","1") = "6"
    & skf21("3","5","3","4","7","2","4","1") = "6"
    & skf21("3","5","3","4","7","2","5","1") = "6"
    & skf21("3","5","3","4","7","2","6","1") = "6"
    & skf21("3","5","3","4","7","2","7","1") = "6"
    & skf21("3","5","3","4","7","3","1","1") = "6"
    & skf21("3","5","3","4","7","3","2","1") = "6"
    & skf21("3","5","3","4","7","3","3","1") = "6"
    & skf21("3","5","3","4","7","3","4","1") = "6"
    & skf21("3","5","3","4","7","3","5","1") = "6"
    & skf21("3","5","3","4","7","3","6","1") = "6"
    & skf21("3","5","3","4","7","3","7","1") = "6"
    & skf21("3","5","3","4","7","4","1","1") = "6"
    & skf21("3","5","3","4","7","4","2","1") = "6"
    & skf21("3","5","3","4","7","4","3","1") = "6"
    & skf21("3","5","3","4","7","4","4","1") = "6"
    & skf21("3","5","3","4","7","4","5","1") = "6"
    & skf21("3","5","3","4","7","4","6","1") = "6"
    & skf21("3","5","3","4","7","4","7","1") = "6"
    & skf21("3","5","3","4","7","5","1","1") = "6"
    & skf21("3","5","3","4","7","5","2","1") = "6"
    & skf21("3","5","3","4","7","5","3","1") = "6"
    & skf21("3","5","3","4","7","5","4","1") = "6"
    & skf21("3","5","3","4","7","5","5","1") = "6"
    & skf21("3","5","3","4","7","5","6","1") = "6"
    & skf21("3","5","3","4","7","5","7","1") = "6"
    & skf21("3","5","3","4","7","6","1","1") = "6"
    & skf21("3","5","3","4","7","6","2","1") = "6"
    & skf21("3","5","3","4","7","6","3","1") = "6"
    & skf21("3","5","3","4","7","6","4","1") = "6"
    & skf21("3","5","3","4","7","6","5","1") = "6"
    & skf21("3","5","3","4","7","6","6","1") = "6"
    & skf21("3","5","3","4","7","6","7","1") = "6"
    & skf21("3","5","3","4","7","7","1","1") = "6"
    & skf21("3","5","3","4","7","7","2","1") = "6"
    & skf21("3","5","3","4","7","7","3","1") = "6"
    & skf21("3","5","3","4","7","7","4","1") = "6"
    & skf21("3","5","3","4","7","7","5","1") = "6"
    & skf21("3","5","3","4","7","7","6","1") = "6"
    & skf21("3","5","3","4","7","7","7","1") = "6"
    & skf21("3","5","3","5","1","1","1","1") = "4"
    & skf21("3","5","3","5","1","1","2","1") = "4"
    & skf21("3","5","3","5","1","1","3","1") = "4"
    & skf21("3","5","3","5","1","1","4","1") = "4"
    & skf21("3","5","3","5","1","1","5","1") = "4"
    & skf21("3","5","3","5","1","1","6","1") = "5"
    & skf21("3","5","3","5","1","1","7","1") = "6"
    & skf21("3","5","3","5","1","2","1","1") = "4"
    & skf21("3","5","3","5","1","2","2","1") = "4"
    & skf21("3","5","3","5","1","2","3","1") = "4"
    & skf21("3","5","3","5","1","2","4","1") = "4"
    & skf21("3","5","3","5","1","2","5","1") = "4"
    & skf21("3","5","3","5","1","2","6","1") = "5"
    & skf21("3","5","3","5","1","2","7","1") = "6"
    & skf21("3","5","3","5","1","3","1","1") = "4"
    & skf21("3","5","3","5","1","3","2","1") = "4"
    & skf21("3","5","3","5","1","3","3","1") = "4"
    & skf21("3","5","3","5","1","3","4","1") = "4"
    & skf21("3","5","3","5","1","3","5","1") = "4"
    & skf21("3","5","3","5","1","3","6","1") = "5"
    & skf21("3","5","3","5","1","3","7","1") = "6"
    & skf21("3","5","3","5","1","4","1","1") = "4"
    & skf21("3","5","3","5","1","4","2","1") = "4"
    & skf21("3","5","3","5","1","4","3","1") = "4"
    & skf21("3","5","3","5","1","4","4","1") = "4"
    & skf21("3","5","3","5","1","4","5","1") = "4"
    & skf21("3","5","3","5","1","4","6","1") = "5"
    & skf21("3","5","3","5","1","4","7","1") = "6"
    & skf21("3","5","3","5","1","5","1","1") = "4"
    & skf21("3","5","3","5","1","5","2","1") = "4"
    & skf21("3","5","3","5","1","5","3","1") = "4"
    & skf21("3","5","3","5","1","5","4","1") = "4"
    & skf21("3","5","3","5","1","5","5","1") = "4"
    & skf21("3","5","3","5","1","5","6","1") = "5"
    & skf21("3","5","3","5","1","5","7","1") = "6"
    & skf21("3","5","3","5","1","6","1","1") = "5"
    & skf21("3","5","3","5","1","6","2","1") = "5"
    & skf21("3","5","3","5","1","6","3","1") = "5"
    & skf21("3","5","3","5","1","6","4","1") = "5"
    & skf21("3","5","3","5","1","6","5","1") = "5"
    & skf21("3","5","3","5","1","6","6","1") = "5"
    & skf21("3","5","3","5","1","6","7","1") = "6"
    & skf21("3","5","3","5","1","7","1","1") = "6"
    & skf21("3","5","3","5","1","7","2","1") = "6"
    & skf21("3","5","3","5","1","7","3","1") = "6"
    & skf21("3","5","3","5","1","7","4","1") = "6"
    & skf21("3","5","3","5","1","7","5","1") = "6"
    & skf21("3","5","3","5","1","7","6","1") = "6"
    & skf21("3","5","3","5","1","7","7","1") = "6"
    & skf21("3","5","3","5","2","1","1","1") = "4"
    & skf21("3","5","3","5","2","1","2","1") = "4"
    & skf21("3","5","3","5","2","1","3","1") = "4"
    & skf21("3","5","3","5","2","1","4","1") = "4"
    & skf21("3","5","3","5","2","1","5","1") = "4"
    & skf21("3","5","3","5","2","1","6","1") = "5"
    & skf21("3","5","3","5","2","1","7","1") = "6"
    & skf21("3","5","3","5","2","2","1","1") = "4"
    & skf21("3","5","3","5","2","2","2","1") = "4"
    & skf21("3","5","3","5","2","2","3","1") = "4"
    & skf21("3","5","3","5","2","2","4","1") = "4"
    & skf21("3","5","3","5","2","2","5","1") = "4"
    & skf21("3","5","3","5","2","2","6","1") = "5"
    & skf21("3","5","3","5","2","2","7","1") = "6"
    & skf21("3","5","3","5","2","3","1","1") = "4"
    & skf21("3","5","3","5","2","3","2","1") = "4"
    & skf21("3","5","3","5","2","3","3","1") = "4"
    & skf21("3","5","3","5","2","3","4","1") = "4"
    & skf21("3","5","3","5","2","3","5","1") = "4"
    & skf21("3","5","3","5","2","3","6","1") = "5"
    & skf21("3","5","3","5","2","3","7","1") = "6"
    & skf21("3","5","3","5","2","4","1","1") = "4"
    & skf21("3","5","3","5","2","4","2","1") = "4"
    & skf21("3","5","3","5","2","4","3","1") = "4"
    & skf21("3","5","3","5","2","4","4","1") = "4"
    & skf21("3","5","3","5","2","4","5","1") = "4"
    & skf21("3","5","3","5","2","4","6","1") = "5"
    & skf21("3","5","3","5","2","4","7","1") = "6"
    & skf21("3","5","3","5","2","5","1","1") = "4"
    & skf21("3","5","3","5","2","5","2","1") = "4"
    & skf21("3","5","3","5","2","5","3","1") = "4"
    & skf21("3","5","3","5","2","5","4","1") = "4"
    & skf21("3","5","3","5","2","5","5","1") = "4"
    & skf21("3","5","3","5","2","5","6","1") = "5"
    & skf21("3","5","3","5","2","5","7","1") = "6"
    & skf21("3","5","3","5","2","6","1","1") = "5"
    & skf21("3","5","3","5","2","6","2","1") = "5"
    & skf21("3","5","3","5","2","6","3","1") = "5"
    & skf21("3","5","3","5","2","6","4","1") = "5"
    & skf21("3","5","3","5","2","6","5","1") = "5"
    & skf21("3","5","3","5","2","6","6","1") = "5"
    & skf21("3","5","3","5","2","6","7","1") = "6"
    & skf21("3","5","3","5","2","7","1","1") = "6"
    & skf21("3","5","3","5","2","7","2","1") = "6"
    & skf21("3","5","3","5","2","7","3","1") = "6"
    & skf21("3","5","3","5","2","7","4","1") = "6"
    & skf21("3","5","3","5","2","7","5","1") = "6"
    & skf21("3","5","3","5","2","7","6","1") = "6"
    & skf21("3","5","3","5","2","7","7","1") = "6"
    & skf21("3","5","3","5","3","1","1","1") = "4"
    & skf21("3","5","3","5","3","1","2","1") = "4"
    & skf21("3","5","3","5","3","1","3","1") = "4"
    & skf21("3","5","3","5","3","1","4","1") = "4"
    & skf21("3","5","3","5","3","1","5","1") = "4"
    & skf21("3","5","3","5","3","1","6","1") = "5"
    & skf21("3","5","3","5","3","1","7","1") = "6"
    & skf21("3","5","3","5","3","2","1","1") = "4"
    & skf21("3","5","3","5","3","2","2","1") = "4"
    & skf21("3","5","3","5","3","2","3","1") = "4"
    & skf21("3","5","3","5","3","2","4","1") = "4"
    & skf21("3","5","3","5","3","2","5","1") = "4"
    & skf21("3","5","3","5","3","2","6","1") = "5"
    & skf21("3","5","3","5","3","2","7","1") = "6"
    & skf21("3","5","3","5","3","3","1","1") = "4"
    & skf21("3","5","3","5","3","3","2","1") = "4"
    & skf21("3","5","3","5","3","3","3","1") = "4"
    & skf21("3","5","3","5","3","3","4","1") = "4"
    & skf21("3","5","3","5","3","3","5","1") = "4"
    & skf21("3","5","3","5","3","3","6","1") = "5"
    & skf21("3","5","3","5","3","3","7","1") = "6"
    & skf21("3","5","3","5","3","4","1","1") = "4"
    & skf21("3","5","3","5","3","4","2","1") = "4"
    & skf21("3","5","3","5","3","4","3","1") = "4"
    & skf21("3","5","3","5","3","4","4","1") = "4"
    & skf21("3","5","3","5","3","4","5","1") = "4"
    & skf21("3","5","3","5","3","4","6","1") = "5"
    & skf21("3","5","3","5","3","4","7","1") = "6"
    & skf21("3","5","3","5","3","5","1","1") = "4"
    & skf21("3","5","3","5","3","5","2","1") = "4"
    & skf21("3","5","3","5","3","5","3","1") = "4"
    & skf21("3","5","3","5","3","5","4","1") = "4"
    & skf21("3","5","3","5","3","5","5","1") = "4"
    & skf21("3","5","3","5","3","5","6","1") = "5"
    & skf21("3","5","3","5","3","5","7","1") = "6"
    & skf21("3","5","3","5","3","6","1","1") = "5"
    & skf21("3","5","3","5","3","6","2","1") = "5"
    & skf21("3","5","3","5","3","6","3","1") = "5"
    & skf21("3","5","3","5","3","6","4","1") = "5"
    & skf21("3","5","3","5","3","6","5","1") = "5"
    & skf21("3","5","3","5","3","6","6","1") = "5"
    & skf21("3","5","3","5","3","6","7","1") = "6"
    & skf21("3","5","3","5","3","7","1","1") = "6"
    & skf21("3","5","3","5","3","7","2","1") = "6"
    & skf21("3","5","3","5","3","7","3","1") = "6"
    & skf21("3","5","3","5","3","7","4","1") = "6"
    & skf21("3","5","3","5","3","7","5","1") = "6"
    & skf21("3","5","3","5","3","7","6","1") = "6"
    & skf21("3","5","3","5","3","7","7","1") = "6"
    & skf21("3","5","3","5","4","1","1","1") = "4"
    & skf21("3","5","3","5","4","1","2","1") = "4"
    & skf21("3","5","3","5","4","1","3","1") = "4"
    & skf21("3","5","3","5","4","1","4","1") = "4"
    & skf21("3","5","3","5","4","1","5","1") = "4"
    & skf21("3","5","3","5","4","1","6","1") = "5"
    & skf21("3","5","3","5","4","1","7","1") = "6"
    & skf21("3","5","3","5","4","2","1","1") = "4"
    & skf21("3","5","3","5","4","2","2","1") = "4"
    & skf21("3","5","3","5","4","2","3","1") = "4"
    & skf21("3","5","3","5","4","2","4","1") = "4"
    & skf21("3","5","3","5","4","2","5","1") = "4"
    & skf21("3","5","3","5","4","2","6","1") = "5"
    & skf21("3","5","3","5","4","2","7","1") = "6"
    & skf21("3","5","3","5","4","3","1","1") = "4"
    & skf21("3","5","3","5","4","3","2","1") = "4"
    & skf21("3","5","3","5","4","3","3","1") = "4"
    & skf21("3","5","3","5","4","3","4","1") = "4"
    & skf21("3","5","3","5","4","3","5","1") = "4"
    & skf21("3","5","3","5","4","3","6","1") = "5"
    & skf21("3","5","3","5","4","3","7","1") = "6"
    & skf21("3","5","3","5","4","4","1","1") = "4"
    & skf21("3","5","3","5","4","4","2","1") = "4"
    & skf21("3","5","3","5","4","4","3","1") = "4"
    & skf21("3","5","3","5","4","4","4","1") = "4"
    & skf21("3","5","3","5","4","4","5","1") = "4"
    & skf21("3","5","3","5","4","4","6","1") = "5"
    & skf21("3","5","3","5","4","4","7","1") = "6"
    & skf21("3","5","3","5","4","5","1","1") = "4"
    & skf21("3","5","3","5","4","5","2","1") = "4"
    & skf21("3","5","3","5","4","5","3","1") = "4"
    & skf21("3","5","3","5","4","5","4","1") = "4"
    & skf21("3","5","3","5","4","5","5","1") = "4"
    & skf21("3","5","3","5","4","5","6","1") = "5"
    & skf21("3","5","3","5","4","5","7","1") = "6"
    & skf21("3","5","3","5","4","6","1","1") = "5"
    & skf21("3","5","3","5","4","6","2","1") = "5"
    & skf21("3","5","3","5","4","6","3","1") = "5"
    & skf21("3","5","3","5","4","6","4","1") = "5"
    & skf21("3","5","3","5","4","6","5","1") = "5"
    & skf21("3","5","3","5","4","6","6","1") = "5"
    & skf21("3","5","3","5","4","6","7","1") = "6"
    & skf21("3","5","3","5","4","7","1","1") = "6"
    & skf21("3","5","3","5","4","7","2","1") = "6"
    & skf21("3","5","3","5","4","7","3","1") = "6"
    & skf21("3","5","3","5","4","7","4","1") = "6"
    & skf21("3","5","3","5","4","7","5","1") = "6"
    & skf21("3","5","3","5","4","7","6","1") = "6"
    & skf21("3","5","3","5","4","7","7","1") = "6"
    & skf21("3","5","3","5","5","1","1","1") = "4"
    & skf21("3","5","3","5","5","1","2","1") = "4"
    & skf21("3","5","3","5","5","1","3","1") = "4"
    & skf21("3","5","3","5","5","1","4","1") = "4"
    & skf21("3","5","3","5","5","1","5","1") = "4"
    & skf21("3","5","3","5","5","1","6","1") = "5"
    & skf21("3","5","3","5","5","1","7","1") = "6"
    & skf21("3","5","3","5","5","2","1","1") = "4"
    & skf21("3","5","3","5","5","2","2","1") = "4"
    & skf21("3","5","3","5","5","2","3","1") = "4"
    & skf21("3","5","3","5","5","2","4","1") = "4"
    & skf21("3","5","3","5","5","2","5","1") = "4"
    & skf21("3","5","3","5","5","2","6","1") = "5"
    & skf21("3","5","3","5","5","2","7","1") = "6"
    & skf21("3","5","3","5","5","3","1","1") = "4"
    & skf21("3","5","3","5","5","3","2","1") = "4"
    & skf21("3","5","3","5","5","3","3","1") = "4"
    & skf21("3","5","3","5","5","3","4","1") = "4"
    & skf21("3","5","3","5","5","3","5","1") = "4"
    & skf21("3","5","3","5","5","3","6","1") = "5"
    & skf21("3","5","3","5","5","3","7","1") = "6"
    & skf21("3","5","3","5","5","4","1","1") = "4"
    & skf21("3","5","3","5","5","4","2","1") = "4"
    & skf21("3","5","3","5","5","4","3","1") = "4"
    & skf21("3","5","3","5","5","4","4","1") = "4"
    & skf21("3","5","3","5","5","4","5","1") = "4"
    & skf21("3","5","3","5","5","4","6","1") = "5"
    & skf21("3","5","3","5","5","4","7","1") = "6"
    & skf21("3","5","3","5","5","5","1","1") = "4"
    & skf21("3","5","3","5","5","5","2","1") = "4"
    & skf21("3","5","3","5","5","5","3","1") = "4"
    & skf21("3","5","3","5","5","5","4","1") = "4"
    & skf21("3","5","3","5","5","5","5","1") = "4"
    & skf21("3","5","3","5","5","5","6","1") = "5"
    & skf21("3","5","3","5","5","5","7","1") = "6"
    & skf21("3","5","3","5","5","6","1","1") = "5"
    & skf21("3","5","3","5","5","6","2","1") = "5"
    & skf21("3","5","3","5","5","6","3","1") = "5"
    & skf21("3","5","3","5","5","6","4","1") = "5"
    & skf21("3","5","3","5","5","6","5","1") = "5"
    & skf21("3","5","3","5","5","6","6","1") = "5"
    & skf21("3","5","3","5","5","6","7","1") = "6"
    & skf21("3","5","3","5","5","7","1","1") = "6"
    & skf21("3","5","3","5","5","7","2","1") = "6"
    & skf21("3","5","3","5","5","7","3","1") = "6"
    & skf21("3","5","3","5","5","7","4","1") = "6"
    & skf21("3","5","3","5","5","7","5","1") = "6"
    & skf21("3","5","3","5","5","7","6","1") = "6"
    & skf21("3","5","3","5","5","7","7","1") = "6"
    & skf21("3","5","3","5","6","1","1","1") = "5"
    & skf21("3","5","3","5","6","1","2","1") = "5"
    & skf21("3","5","3","5","6","1","3","1") = "5"
    & skf21("3","5","3","5","6","1","4","1") = "5"
    & skf21("3","5","3","5","6","1","5","1") = "5"
    & skf21("3","5","3","5","6","1","6","1") = "5"
    & skf21("3","5","3","5","6","1","7","1") = "6"
    & skf21("3","5","3","5","6","2","1","1") = "5"
    & skf21("3","5","3","5","6","2","2","1") = "5"
    & skf21("3","5","3","5","6","2","3","1") = "5"
    & skf21("3","5","3","5","6","2","4","1") = "5"
    & skf21("3","5","3","5","6","2","5","1") = "5"
    & skf21("3","5","3","5","6","2","6","1") = "5"
    & skf21("3","5","3","5","6","2","7","1") = "6"
    & skf21("3","5","3","5","6","3","1","1") = "5"
    & skf21("3","5","3","5","6","3","2","1") = "5"
    & skf21("3","5","3","5","6","3","3","1") = "5"
    & skf21("3","5","3","5","6","3","4","1") = "5"
    & skf21("3","5","3","5","6","3","5","1") = "5"
    & skf21("3","5","3","5","6","3","6","1") = "5"
    & skf21("3","5","3","5","6","3","7","1") = "6"
    & skf21("3","5","3","5","6","4","1","1") = "5"
    & skf21("3","5","3","5","6","4","2","1") = "5"
    & skf21("3","5","3","5","6","4","3","1") = "5"
    & skf21("3","5","3","5","6","4","4","1") = "5"
    & skf21("3","5","3","5","6","4","5","1") = "5"
    & skf21("3","5","3","5","6","4","6","1") = "5"
    & skf21("3","5","3","5","6","4","7","1") = "6"
    & skf21("3","5","3","5","6","5","1","1") = "5"
    & skf21("3","5","3","5","6","5","2","1") = "5"
    & skf21("3","5","3","5","6","5","3","1") = "5"
    & skf21("3","5","3","5","6","5","4","1") = "5"
    & skf21("3","5","3","5","6","5","5","1") = "5"
    & skf21("3","5","3","5","6","5","6","1") = "5"
    & skf21("3","5","3","5","6","5","7","1") = "6"
    & skf21("3","5","3","5","6","6","1","1") = "5"
    & skf21("3","5","3","5","6","6","2","1") = "5"
    & skf21("3","5","3","5","6","6","3","1") = "5"
    & skf21("3","5","3","5","6","6","4","1") = "5"
    & skf21("3","5","3","5","6","6","5","1") = "5"
    & skf21("3","5","3","5","6","6","6","1") = "5"
    & skf21("3","5","3","5","6","6","7","1") = "6"
    & skf21("3","5","3","5","6","7","1","1") = "6"
    & skf21("3","5","3","5","6","7","2","1") = "6"
    & skf21("3","5","3","5","6","7","3","1") = "6"
    & skf21("3","5","3","5","6","7","4","1") = "6"
    & skf21("3","5","3","5","6","7","5","1") = "6"
    & skf21("3","5","3","5","6","7","6","1") = "6"
    & skf21("3","5","3","5","6","7","7","1") = "6"
    & skf21("3","5","3","5","7","1","1","1") = "6"
    & skf21("3","5","3","5","7","1","2","1") = "6"
    & skf21("3","5","3","5","7","1","3","1") = "6"
    & skf21("3","5","3","5","7","1","4","1") = "6"
    & skf21("3","5","3","5","7","1","5","1") = "6"
    & skf21("3","5","3","5","7","1","6","1") = "6"
    & skf21("3","5","3","5","7","1","7","1") = "6"
    & skf21("3","5","3","5","7","2","1","1") = "6"
    & skf21("3","5","3","5","7","2","2","1") = "6"
    & skf21("3","5","3","5","7","2","3","1") = "6"
    & skf21("3","5","3","5","7","2","4","1") = "6"
    & skf21("3","5","3","5","7","2","5","1") = "6"
    & skf21("3","5","3","5","7","2","6","1") = "6"
    & skf21("3","5","3","5","7","2","7","1") = "6"
    & skf21("3","5","3","5","7","3","1","1") = "6"
    & skf21("3","5","3","5","7","3","2","1") = "6"
    & skf21("3","5","3","5","7","3","3","1") = "6"
    & skf21("3","5","3","5","7","3","4","1") = "6"
    & skf21("3","5","3","5","7","3","5","1") = "6"
    & skf21("3","5","3","5","7","3","6","1") = "6"
    & skf21("3","5","3","5","7","3","7","1") = "6"
    & skf21("3","5","3","5","7","4","1","1") = "6"
    & skf21("3","5","3","5","7","4","2","1") = "6"
    & skf21("3","5","3","5","7","4","3","1") = "6"
    & skf21("3","5","3","5","7","4","4","1") = "6"
    & skf21("3","5","3","5","7","4","5","1") = "6"
    & skf21("3","5","3","5","7","4","6","1") = "6"
    & skf21("3","5","3","5","7","4","7","1") = "6"
    & skf21("3","5","3","5","7","5","1","1") = "6"
    & skf21("3","5","3","5","7","5","2","1") = "6"
    & skf21("3","5","3","5","7","5","3","1") = "6"
    & skf21("3","5","3","5","7","5","4","1") = "6"
    & skf21("3","5","3","5","7","5","5","1") = "6"
    & skf21("3","5","3","5","7","5","6","1") = "6"
    & skf21("3","5","3","5","7","5","7","1") = "6"
    & skf21("3","5","3","5","7","6","1","1") = "6"
    & skf21("3","5","3","5","7","6","2","1") = "6"
    & skf21("3","5","3","5","7","6","3","1") = "6"
    & skf21("3","5","3","5","7","6","4","1") = "6"
    & skf21("3","5","3","5","7","6","5","1") = "6"
    & skf21("3","5","3","5","7","6","6","1") = "6"
    & skf21("3","5","3","5","7","6","7","1") = "6"
    & skf21("3","5","3","5","7","7","1","1") = "6"
    & skf21("3","5","3","5","7","7","2","1") = "6"
    & skf21("3","5","3","5","7","7","3","1") = "6"
    & skf21("3","5","3","5","7","7","4","1") = "6"
    & skf21("3","5","3","5","7","7","5","1") = "6"
    & skf21("3","5","3","5","7","7","6","1") = "6"
    & skf21("3","5","3","5","7","7","7","1") = "6"
    & skf21("3","5","3","6","1","1","1","1") = "5"
    & skf21("3","5","3","6","1","1","2","1") = "5"
    & skf21("3","5","3","6","1","1","3","1") = "5"
    & skf21("3","5","3","6","1","1","4","1") = "5"
    & skf21("3","5","3","6","1","1","5","1") = "5"
    & skf21("3","5","3","6","1","1","6","1") = "5"
    & skf21("3","5","3","6","1","1","7","1") = "6"
    & skf21("3","5","3","6","1","2","1","1") = "5"
    & skf21("3","5","3","6","1","2","2","1") = "5"
    & skf21("3","5","3","6","1","2","3","1") = "5"
    & skf21("3","5","3","6","1","2","4","1") = "5"
    & skf21("3","5","3","6","1","2","5","1") = "5"
    & skf21("3","5","3","6","1","2","6","1") = "5"
    & skf21("3","5","3","6","1","2","7","1") = "6"
    & skf21("3","5","3","6","1","3","1","1") = "5"
    & skf21("3","5","3","6","1","3","2","1") = "5"
    & skf21("3","5","3","6","1","3","3","1") = "5"
    & skf21("3","5","3","6","1","3","4","1") = "5"
    & skf21("3","5","3","6","1","3","5","1") = "5"
    & skf21("3","5","3","6","1","3","6","1") = "5"
    & skf21("3","5","3","6","1","3","7","1") = "6"
    & skf21("3","5","3","6","1","4","1","1") = "5"
    & skf21("3","5","3","6","1","4","2","1") = "5"
    & skf21("3","5","3","6","1","4","3","1") = "5"
    & skf21("3","5","3","6","1","4","4","1") = "5"
    & skf21("3","5","3","6","1","4","5","1") = "5"
    & skf21("3","5","3","6","1","4","6","1") = "5"
    & skf21("3","5","3","6","1","4","7","1") = "6"
    & skf21("3","5","3","6","1","5","1","1") = "5"
    & skf21("3","5","3","6","1","5","2","1") = "5"
    & skf21("3","5","3","6","1","5","3","1") = "5"
    & skf21("3","5","3","6","1","5","4","1") = "5"
    & skf21("3","5","3","6","1","5","5","1") = "5"
    & skf21("3","5","3","6","1","5","6","1") = "5"
    & skf21("3","5","3","6","1","5","7","1") = "6"
    & skf21("3","5","3","6","1","6","1","1") = "5"
    & skf21("3","5","3","6","1","6","2","1") = "5"
    & skf21("3","5","3","6","1","6","3","1") = "5"
    & skf21("3","5","3","6","1","6","4","1") = "5"
    & skf21("3","5","3","6","1","6","5","1") = "5"
    & skf21("3","5","3","6","1","6","6","1") = "5"
    & skf21("3","5","3","6","1","6","7","1") = "6"
    & skf21("3","5","3","6","1","7","1","1") = "6"
    & skf21("3","5","3","6","1","7","2","1") = "6"
    & skf21("3","5","3","6","1","7","3","1") = "6"
    & skf21("3","5","3","6","1","7","4","1") = "6"
    & skf21("3","5","3","6","1","7","5","1") = "6"
    & skf21("3","5","3","6","1","7","6","1") = "6"
    & skf21("3","5","3","6","1","7","7","1") = "6"
    & skf21("3","5","3","6","2","1","1","1") = "5"
    & skf21("3","5","3","6","2","1","2","1") = "5"
    & skf21("3","5","3","6","2","1","3","1") = "5"
    & skf21("3","5","3","6","2","1","4","1") = "5"
    & skf21("3","5","3","6","2","1","5","1") = "5"
    & skf21("3","5","3","6","2","1","6","1") = "5"
    & skf21("3","5","3","6","2","1","7","1") = "6"
    & skf21("3","5","3","6","2","2","1","1") = "5"
    & skf21("3","5","3","6","2","2","2","1") = "5"
    & skf21("3","5","3","6","2","2","3","1") = "5"
    & skf21("3","5","3","6","2","2","4","1") = "5"
    & skf21("3","5","3","6","2","2","5","1") = "5"
    & skf21("3","5","3","6","2","2","6","1") = "5"
    & skf21("3","5","3","6","2","2","7","1") = "6"
    & skf21("3","5","3","6","2","3","1","1") = "5"
    & skf21("3","5","3","6","2","3","2","1") = "5"
    & skf21("3","5","3","6","2","3","3","1") = "5"
    & skf21("3","5","3","6","2","3","4","1") = "5"
    & skf21("3","5","3","6","2","3","5","1") = "5"
    & skf21("3","5","3","6","2","3","6","1") = "5"
    & skf21("3","5","3","6","2","3","7","1") = "6"
    & skf21("3","5","3","6","2","4","1","1") = "5"
    & skf21("3","5","3","6","2","4","2","1") = "5"
    & skf21("3","5","3","6","2","4","3","1") = "5"
    & skf21("3","5","3","6","2","4","4","1") = "5"
    & skf21("3","5","3","6","2","4","5","1") = "5"
    & skf21("3","5","3","6","2","4","6","1") = "5"
    & skf21("3","5","3","6","2","4","7","1") = "6"
    & skf21("3","5","3","6","2","5","1","1") = "5"
    & skf21("3","5","3","6","2","5","2","1") = "5"
    & skf21("3","5","3","6","2","5","3","1") = "5"
    & skf21("3","5","3","6","2","5","4","1") = "5"
    & skf21("3","5","3","6","2","5","5","1") = "5"
    & skf21("3","5","3","6","2","5","6","1") = "5"
    & skf21("3","5","3","6","2","5","7","1") = "6"
    & skf21("3","5","3","6","2","6","1","1") = "5"
    & skf21("3","5","3","6","2","6","2","1") = "5"
    & skf21("3","5","3","6","2","6","3","1") = "5"
    & skf21("3","5","3","6","2","6","4","1") = "5"
    & skf21("3","5","3","6","2","6","5","1") = "5"
    & skf21("3","5","3","6","2","6","6","1") = "5"
    & skf21("3","5","3","6","2","6","7","1") = "6"
    & skf21("3","5","3","6","2","7","1","1") = "6"
    & skf21("3","5","3","6","2","7","2","1") = "6"
    & skf21("3","5","3","6","2","7","3","1") = "6"
    & skf21("3","5","3","6","2","7","4","1") = "6"
    & skf21("3","5","3","6","2","7","5","1") = "6"
    & skf21("3","5","3","6","2","7","6","1") = "6"
    & skf21("3","5","3","6","2","7","7","1") = "6"
    & skf21("3","5","3","6","3","1","1","1") = "5"
    & skf21("3","5","3","6","3","1","2","1") = "5"
    & skf21("3","5","3","6","3","1","3","1") = "5"
    & skf21("3","5","3","6","3","1","4","1") = "5"
    & skf21("3","5","3","6","3","1","5","1") = "5"
    & skf21("3","5","3","6","3","1","6","1") = "5"
    & skf21("3","5","3","6","3","1","7","1") = "6"
    & skf21("3","5","3","6","3","2","1","1") = "5"
    & skf21("3","5","3","6","3","2","2","1") = "5"
    & skf21("3","5","3","6","3","2","3","1") = "5"
    & skf21("3","5","3","6","3","2","4","1") = "5"
    & skf21("3","5","3","6","3","2","5","1") = "5"
    & skf21("3","5","3","6","3","2","6","1") = "5"
    & skf21("3","5","3","6","3","2","7","1") = "6"
    & skf21("3","5","3","6","3","3","1","1") = "5"
    & skf21("3","5","3","6","3","3","2","1") = "5"
    & skf21("3","5","3","6","3","3","3","1") = "5"
    & skf21("3","5","3","6","3","3","4","1") = "5"
    & skf21("3","5","3","6","3","3","5","1") = "5"
    & skf21("3","5","3","6","3","3","6","1") = "5"
    & skf21("3","5","3","6","3","3","7","1") = "6"
    & skf21("3","5","3","6","3","4","1","1") = "5"
    & skf21("3","5","3","6","3","4","2","1") = "5"
    & skf21("3","5","3","6","3","4","3","1") = "5"
    & skf21("3","5","3","6","3","4","4","1") = "5"
    & skf21("3","5","3","6","3","4","5","1") = "5"
    & skf21("3","5","3","6","3","4","6","1") = "5"
    & skf21("3","5","3","6","3","4","7","1") = "6"
    & skf21("3","5","3","6","3","5","1","1") = "5"
    & skf21("3","5","3","6","3","5","2","1") = "5"
    & skf21("3","5","3","6","3","5","3","1") = "5"
    & skf21("3","5","3","6","3","5","4","1") = "5"
    & skf21("3","5","3","6","3","5","5","1") = "5"
    & skf21("3","5","3","6","3","5","6","1") = "5"
    & skf21("3","5","3","6","3","5","7","1") = "6"
    & skf21("3","5","3","6","3","6","1","1") = "5"
    & skf21("3","5","3","6","3","6","2","1") = "5"
    & skf21("3","5","3","6","3","6","3","1") = "5"
    & skf21("3","5","3","6","3","6","4","1") = "5"
    & skf21("3","5","3","6","3","6","5","1") = "5"
    & skf21("3","5","3","6","3","6","6","1") = "5"
    & skf21("3","5","3","6","3","6","7","1") = "6"
    & skf21("3","5","3","6","3","7","1","1") = "6"
    & skf21("3","5","3","6","3","7","2","1") = "6"
    & skf21("3","5","3","6","3","7","3","1") = "6"
    & skf21("3","5","3","6","3","7","4","1") = "6"
    & skf21("3","5","3","6","3","7","5","1") = "6"
    & skf21("3","5","3","6","3","7","6","1") = "6"
    & skf21("3","5","3","6","3","7","7","1") = "6"
    & skf21("3","5","3","6","4","1","1","1") = "5"
    & skf21("3","5","3","6","4","1","2","1") = "5"
    & skf21("3","5","3","6","4","1","3","1") = "5"
    & skf21("3","5","3","6","4","1","4","1") = "5"
    & skf21("3","5","3","6","4","1","5","1") = "5"
    & skf21("3","5","3","6","4","1","6","1") = "5"
    & skf21("3","5","3","6","4","1","7","1") = "6"
    & skf21("3","5","3","6","4","2","1","1") = "5"
    & skf21("3","5","3","6","4","2","2","1") = "5"
    & skf21("3","5","3","6","4","2","3","1") = "5"
    & skf21("3","5","3","6","4","2","4","1") = "5"
    & skf21("3","5","3","6","4","2","5","1") = "5"
    & skf21("3","5","3","6","4","2","6","1") = "5"
    & skf21("3","5","3","6","4","2","7","1") = "6"
    & skf21("3","5","3","6","4","3","1","1") = "5"
    & skf21("3","5","3","6","4","3","2","1") = "5"
    & skf21("3","5","3","6","4","3","3","1") = "5"
    & skf21("3","5","3","6","4","3","4","1") = "5"
    & skf21("3","5","3","6","4","3","5","1") = "5"
    & skf21("3","5","3","6","4","3","6","1") = "5"
    & skf21("3","5","3","6","4","3","7","1") = "6"
    & skf21("3","5","3","6","4","4","1","1") = "5"
    & skf21("3","5","3","6","4","4","2","1") = "5"
    & skf21("3","5","3","6","4","4","3","1") = "5"
    & skf21("3","5","3","6","4","4","4","1") = "5"
    & skf21("3","5","3","6","4","4","5","1") = "5"
    & skf21("3","5","3","6","4","4","6","1") = "5"
    & skf21("3","5","3","6","4","4","7","1") = "6"
    & skf21("3","5","3","6","4","5","1","1") = "5"
    & skf21("3","5","3","6","4","5","2","1") = "5"
    & skf21("3","5","3","6","4","5","3","1") = "5"
    & skf21("3","5","3","6","4","5","4","1") = "5"
    & skf21("3","5","3","6","4","5","5","1") = "5"
    & skf21("3","5","3","6","4","5","6","1") = "5"
    & skf21("3","5","3","6","4","5","7","1") = "6"
    & skf21("3","5","3","6","4","6","1","1") = "5"
    & skf21("3","5","3","6","4","6","2","1") = "5"
    & skf21("3","5","3","6","4","6","3","1") = "5"
    & skf21("3","5","3","6","4","6","4","1") = "5"
    & skf21("3","5","3","6","4","6","5","1") = "5"
    & skf21("3","5","3","6","4","6","6","1") = "5"
    & skf21("3","5","3","6","4","6","7","1") = "6"
    & skf21("3","5","3","6","4","7","1","1") = "6"
    & skf21("3","5","3","6","4","7","2","1") = "6"
    & skf21("3","5","3","6","4","7","3","1") = "6"
    & skf21("3","5","3","6","4","7","4","1") = "6"
    & skf21("3","5","3","6","4","7","5","1") = "6"
    & skf21("3","5","3","6","4","7","6","1") = "6"
    & skf21("3","5","3","6","4","7","7","1") = "6"
    & skf21("3","5","3","6","5","1","1","1") = "5"
    & skf21("3","5","3","6","5","1","2","1") = "5"
    & skf21("3","5","3","6","5","1","3","1") = "5"
    & skf21("3","5","3","6","5","1","4","1") = "5"
    & skf21("3","5","3","6","5","1","5","1") = "5"
    & skf21("3","5","3","6","5","1","6","1") = "5"
    & skf21("3","5","3","6","5","1","7","1") = "6"
    & skf21("3","5","3","6","5","2","1","1") = "5"
    & skf21("3","5","3","6","5","2","2","1") = "5"
    & skf21("3","5","3","6","5","2","3","1") = "5"
    & skf21("3","5","3","6","5","2","4","1") = "5"
    & skf21("3","5","3","6","5","2","5","1") = "5"
    & skf21("3","5","3","6","5","2","6","1") = "5"
    & skf21("3","5","3","6","5","2","7","1") = "6"
    & skf21("3","5","3","6","5","3","1","1") = "5"
    & skf21("3","5","3","6","5","3","2","1") = "5"
    & skf21("3","5","3","6","5","3","3","1") = "5"
    & skf21("3","5","3","6","5","3","4","1") = "5"
    & skf21("3","5","3","6","5","3","5","1") = "5"
    & skf21("3","5","3","6","5","3","6","1") = "5"
    & skf21("3","5","3","6","5","3","7","1") = "6"
    & skf21("3","5","3","6","5","4","1","1") = "5"
    & skf21("3","5","3","6","5","4","2","1") = "5"
    & skf21("3","5","3","6","5","4","3","1") = "5"
    & skf21("3","5","3","6","5","4","4","1") = "5"
    & skf21("3","5","3","6","5","4","5","1") = "5"
    & skf21("3","5","3","6","5","4","6","1") = "5"
    & skf21("3","5","3","6","5","4","7","1") = "6"
    & skf21("3","5","3","6","5","5","1","1") = "5"
    & skf21("3","5","3","6","5","5","2","1") = "5"
    & skf21("3","5","3","6","5","5","3","1") = "5"
    & skf21("3","5","3","6","5","5","4","1") = "5"
    & skf21("3","5","3","6","5","5","5","1") = "5"
    & skf21("3","5","3","6","5","5","6","1") = "5"
    & skf21("3","5","3","6","5","5","7","1") = "6"
    & skf21("3","5","3","6","5","6","1","1") = "5"
    & skf21("3","5","3","6","5","6","2","1") = "5"
    & skf21("3","5","3","6","5","6","3","1") = "5"
    & skf21("3","5","3","6","5","6","4","1") = "5"
    & skf21("3","5","3","6","5","6","5","1") = "5"
    & skf21("3","5","3","6","5","6","6","1") = "5"
    & skf21("3","5","3","6","5","6","7","1") = "6"
    & skf21("3","5","3","6","5","7","1","1") = "6"
    & skf21("3","5","3","6","5","7","2","1") = "6"
    & skf21("3","5","3","6","5","7","3","1") = "6"
    & skf21("3","5","3","6","5","7","4","1") = "6"
    & skf21("3","5","3","6","5","7","5","1") = "6"
    & skf21("3","5","3","6","5","7","6","1") = "6"
    & skf21("3","5","3","6","5","7","7","1") = "6"
    & skf21("3","5","3","6","6","1","1","1") = "5"
    & skf21("3","5","3","6","6","1","2","1") = "5"
    & skf21("3","5","3","6","6","1","3","1") = "5"
    & skf21("3","5","3","6","6","1","4","1") = "5"
    & skf21("3","5","3","6","6","1","5","1") = "5"
    & skf21("3","5","3","6","6","1","6","1") = "5"
    & skf21("3","5","3","6","6","1","7","1") = "6"
    & skf21("3","5","3","6","6","2","1","1") = "5"
    & skf21("3","5","3","6","6","2","2","1") = "5"
    & skf21("3","5","3","6","6","2","3","1") = "5"
    & skf21("3","5","3","6","6","2","4","1") = "5"
    & skf21("3","5","3","6","6","2","5","1") = "5"
    & skf21("3","5","3","6","6","2","6","1") = "5"
    & skf21("3","5","3","6","6","2","7","1") = "6"
    & skf21("3","5","3","6","6","3","1","1") = "5"
    & skf21("3","5","3","6","6","3","2","1") = "5"
    & skf21("3","5","3","6","6","3","3","1") = "5"
    & skf21("3","5","3","6","6","3","4","1") = "5"
    & skf21("3","5","3","6","6","3","5","1") = "5"
    & skf21("3","5","3","6","6","3","6","1") = "5"
    & skf21("3","5","3","6","6","3","7","1") = "6"
    & skf21("3","5","3","6","6","4","1","1") = "5"
    & skf21("3","5","3","6","6","4","2","1") = "5"
    & skf21("3","5","3","6","6","4","3","1") = "5"
    & skf21("3","5","3","6","6","4","4","1") = "5"
    & skf21("3","5","3","6","6","4","5","1") = "5"
    & skf21("3","5","3","6","6","4","6","1") = "5"
    & skf21("3","5","3","6","6","4","7","1") = "6"
    & skf21("3","5","3","6","6","5","1","1") = "5"
    & skf21("3","5","3","6","6","5","2","1") = "5"
    & skf21("3","5","3","6","6","5","3","1") = "5"
    & skf21("3","5","3","6","6","5","4","1") = "5"
    & skf21("3","5","3","6","6","5","5","1") = "5"
    & skf21("3","5","3","6","6","5","6","1") = "5"
    & skf21("3","5","3","6","6","5","7","1") = "6"
    & skf21("3","5","3","6","6","6","1","1") = "5"
    & skf21("3","5","3","6","6","6","2","1") = "5"
    & skf21("3","5","3","6","6","6","3","1") = "5"
    & skf21("3","5","3","6","6","6","4","1") = "5"
    & skf21("3","5","3","6","6","6","5","1") = "5"
    & skf21("3","5","3","6","6","6","6","1") = "5"
    & skf21("3","5","3","6","6","6","7","1") = "6"
    & skf21("3","5","3","6","6","7","1","1") = "6"
    & skf21("3","5","3","6","6","7","2","1") = "6"
    & skf21("3","5","3","6","6","7","3","1") = "6"
    & skf21("3","5","3","6","6","7","4","1") = "6"
    & skf21("3","5","3","6","6","7","5","1") = "6"
    & skf21("3","5","3","6","6","7","6","1") = "6"
    & skf21("3","5","3","6","6","7","7","1") = "6"
    & skf21("3","5","3","6","7","1","1","1") = "6"
    & skf21("3","5","3","6","7","1","2","1") = "6"
    & skf21("3","5","3","6","7","1","3","1") = "6"
    & skf21("3","5","3","6","7","1","4","1") = "6"
    & skf21("3","5","3","6","7","1","5","1") = "6"
    & skf21("3","5","3","6","7","1","6","1") = "6"
    & skf21("3","5","3","6","7","1","7","1") = "6"
    & skf21("3","5","3","6","7","2","1","1") = "6"
    & skf21("3","5","3","6","7","2","2","1") = "6"
    & skf21("3","5","3","6","7","2","3","1") = "6"
    & skf21("3","5","3","6","7","2","4","1") = "6"
    & skf21("3","5","3","6","7","2","5","1") = "6"
    & skf21("3","5","3","6","7","2","6","1") = "6"
    & skf21("3","5","3","6","7","2","7","1") = "6"
    & skf21("3","5","3","6","7","3","1","1") = "6"
    & skf21("3","5","3","6","7","3","2","1") = "6"
    & skf21("3","5","3","6","7","3","3","1") = "6"
    & skf21("3","5","3","6","7","3","4","1") = "6"
    & skf21("3","5","3","6","7","3","5","1") = "6"
    & skf21("3","5","3","6","7","3","6","1") = "6"
    & skf21("3","5","3","6","7","3","7","1") = "6"
    & skf21("3","5","3","6","7","4","1","1") = "6"
    & skf21("3","5","3","6","7","4","2","1") = "6"
    & skf21("3","5","3","6","7","4","3","1") = "6"
    & skf21("3","5","3","6","7","4","4","1") = "6"
    & skf21("3","5","3","6","7","4","5","1") = "6"
    & skf21("3","5","3","6","7","4","6","1") = "6"
    & skf21("3","5","3","6","7","4","7","1") = "6"
    & skf21("3","5","3","6","7","5","1","1") = "6"
    & skf21("3","5","3","6","7","5","2","1") = "6"
    & skf21("3","5","3","6","7","5","3","1") = "6"
    & skf21("3","5","3","6","7","5","4","1") = "6"
    & skf21("3","5","3","6","7","5","5","1") = "6"
    & skf21("3","5","3","6","7","5","6","1") = "6"
    & skf21("3","5","3","6","7","5","7","1") = "6"
    & skf21("3","5","3","6","7","6","1","1") = "6"
    & skf21("3","5","3","6","7","6","2","1") = "6"
    & skf21("3","5","3","6","7","6","3","1") = "6"
    & skf21("3","5","3","6","7","6","4","1") = "6"
    & skf21("3","5","3","6","7","6","5","1") = "6"
    & skf21("3","5","3","6","7","6","6","1") = "6"
    & skf21("3","5","3","6","7","6","7","1") = "6"
    & skf21("3","5","3","6","7","7","1","1") = "6"
    & skf21("3","5","3","6","7","7","2","1") = "6"
    & skf21("3","5","3","6","7","7","3","1") = "6"
    & skf21("3","5","3","6","7","7","4","1") = "6"
    & skf21("3","5","3","6","7","7","5","1") = "6"
    & skf21("3","5","3","6","7","7","6","1") = "6"
    & skf21("3","5","3","6","7","7","7","1") = "6"
    & skf21("3","5","3","7","1","1","1","1") = "6"
    & skf21("3","5","3","7","1","1","2","1") = "6"
    & skf21("3","5","3","7","1","1","3","1") = "6"
    & skf21("3","5","3","7","1","1","4","1") = "6"
    & skf21("3","5","3","7","1","1","5","1") = "6"
    & skf21("3","5","3","7","1","1","6","1") = "6"
    & skf21("3","5","3","7","1","1","7","1") = "6"
    & skf21("3","5","3","7","1","2","1","1") = "6"
    & skf21("3","5","3","7","1","2","2","1") = "6"
    & skf21("3","5","3","7","1","2","3","1") = "6"
    & skf21("3","5","3","7","1","2","4","1") = "6"
    & skf21("3","5","3","7","1","2","5","1") = "6"
    & skf21("3","5","3","7","1","2","6","1") = "6"
    & skf21("3","5","3","7","1","2","7","1") = "6"
    & skf21("3","5","3","7","1","3","1","1") = "6"
    & skf21("3","5","3","7","1","3","2","1") = "6"
    & skf21("3","5","3","7","1","3","3","1") = "6"
    & skf21("3","5","3","7","1","3","4","1") = "6"
    & skf21("3","5","3","7","1","3","5","1") = "6"
    & skf21("3","5","3","7","1","3","6","1") = "6"
    & skf21("3","5","3","7","1","3","7","1") = "6"
    & skf21("3","5","3","7","1","4","1","1") = "6"
    & skf21("3","5","3","7","1","4","2","1") = "6"
    & skf21("3","5","3","7","1","4","3","1") = "6"
    & skf21("3","5","3","7","1","4","4","1") = "6"
    & skf21("3","5","3","7","1","4","5","1") = "6"
    & skf21("3","5","3","7","1","4","6","1") = "6"
    & skf21("3","5","3","7","1","4","7","1") = "6"
    & skf21("3","5","3","7","1","5","1","1") = "6"
    & skf21("3","5","3","7","1","5","2","1") = "6"
    & skf21("3","5","3","7","1","5","3","1") = "6"
    & skf21("3","5","3","7","1","5","4","1") = "6"
    & skf21("3","5","3","7","1","5","5","1") = "6"
    & skf21("3","5","3","7","1","5","6","1") = "6"
    & skf21("3","5","3","7","1","5","7","1") = "6"
    & skf21("3","5","3","7","1","6","1","1") = "6"
    & skf21("3","5","3","7","1","6","2","1") = "6"
    & skf21("3","5","3","7","1","6","3","1") = "6"
    & skf21("3","5","3","7","1","6","4","1") = "6"
    & skf21("3","5","3","7","1","6","5","1") = "6"
    & skf21("3","5","3","7","1","6","6","1") = "6"
    & skf21("3","5","3","7","1","6","7","1") = "6"
    & skf21("3","5","3","7","1","7","1","1") = "6"
    & skf21("3","5","3","7","1","7","2","1") = "6"
    & skf21("3","5","3","7","1","7","3","1") = "6"
    & skf21("3","5","3","7","1","7","4","1") = "6"
    & skf21("3","5","3","7","1","7","5","1") = "6"
    & skf21("3","5","3","7","1","7","6","1") = "6"
    & skf21("3","5","3","7","1","7","7","1") = "6"
    & skf21("3","5","3","7","2","1","1","1") = "6"
    & skf21("3","5","3","7","2","1","2","1") = "6"
    & skf21("3","5","3","7","2","1","3","1") = "6"
    & skf21("3","5","3","7","2","1","4","1") = "6"
    & skf21("3","5","3","7","2","1","5","1") = "6"
    & skf21("3","5","3","7","2","1","6","1") = "6"
    & skf21("3","5","3","7","2","1","7","1") = "6"
    & skf21("3","5","3","7","2","2","1","1") = "6"
    & skf21("3","5","3","7","2","2","2","1") = "6"
    & skf21("3","5","3","7","2","2","3","1") = "6"
    & skf21("3","5","3","7","2","2","4","1") = "6"
    & skf21("3","5","3","7","2","2","5","1") = "6"
    & skf21("3","5","3","7","2","2","6","1") = "6"
    & skf21("3","5","3","7","2","2","7","1") = "6"
    & skf21("3","5","3","7","2","3","1","1") = "6"
    & skf21("3","5","3","7","2","3","2","1") = "6"
    & skf21("3","5","3","7","2","3","3","1") = "6"
    & skf21("3","5","3","7","2","3","4","1") = "6"
    & skf21("3","5","3","7","2","3","5","1") = "6"
    & skf21("3","5","3","7","2","3","6","1") = "6"
    & skf21("3","5","3","7","2","3","7","1") = "6"
    & skf21("3","5","3","7","2","4","1","1") = "6"
    & skf21("3","5","3","7","2","4","2","1") = "6"
    & skf21("3","5","3","7","2","4","3","1") = "6"
    & skf21("3","5","3","7","2","4","4","1") = "6"
    & skf21("3","5","3","7","2","4","5","1") = "6"
    & skf21("3","5","3","7","2","4","6","1") = "6"
    & skf21("3","5","3","7","2","4","7","1") = "6"
    & skf21("3","5","3","7","2","5","1","1") = "6"
    & skf21("3","5","3","7","2","5","2","1") = "6"
    & skf21("3","5","3","7","2","5","3","1") = "6"
    & skf21("3","5","3","7","2","5","4","1") = "6"
    & skf21("3","5","3","7","2","5","5","1") = "6"
    & skf21("3","5","3","7","2","5","6","1") = "6"
    & skf21("3","5","3","7","2","5","7","1") = "6"
    & skf21("3","5","3","7","2","6","1","1") = "6"
    & skf21("3","5","3","7","2","6","2","1") = "6"
    & skf21("3","5","3","7","2","6","3","1") = "6"
    & skf21("3","5","3","7","2","6","4","1") = "6"
    & skf21("3","5","3","7","2","6","5","1") = "6"
    & skf21("3","5","3","7","2","6","6","1") = "6"
    & skf21("3","5","3","7","2","6","7","1") = "6"
    & skf21("3","5","3","7","2","7","1","1") = "6"
    & skf21("3","5","3","7","2","7","2","1") = "6"
    & skf21("3","5","3","7","2","7","3","1") = "6"
    & skf21("3","5","3","7","2","7","4","1") = "6"
    & skf21("3","5","3","7","2","7","5","1") = "6"
    & skf21("3","5","3","7","2","7","6","1") = "6"
    & skf21("3","5","3","7","2","7","7","1") = "6"
    & skf21("3","5","3","7","3","1","1","1") = "6"
    & skf21("3","5","3","7","3","1","2","1") = "6"
    & skf21("3","5","3","7","3","1","3","1") = "6"
    & skf21("3","5","3","7","3","1","4","1") = "6"
    & skf21("3","5","3","7","3","1","5","1") = "6"
    & skf21("3","5","3","7","3","1","6","1") = "6"
    & skf21("3","5","3","7","3","1","7","1") = "6"
    & skf21("3","5","3","7","3","2","1","1") = "6"
    & skf21("3","5","3","7","3","2","2","1") = "6"
    & skf21("3","5","3","7","3","2","3","1") = "6"
    & skf21("3","5","3","7","3","2","4","1") = "6"
    & skf21("3","5","3","7","3","2","5","1") = "6"
    & skf21("3","5","3","7","3","2","6","1") = "6"
    & skf21("3","5","3","7","3","2","7","1") = "6"
    & skf21("3","5","3","7","3","3","1","1") = "6"
    & skf21("3","5","3","7","3","3","2","1") = "6"
    & skf21("3","5","3","7","3","3","3","1") = "6"
    & skf21("3","5","3","7","3","3","4","1") = "6"
    & skf21("3","5","3","7","3","3","5","1") = "6"
    & skf21("3","5","3","7","3","3","6","1") = "6"
    & skf21("3","5","3","7","3","3","7","1") = "6"
    & skf21("3","5","3","7","3","4","1","1") = "6"
    & skf21("3","5","3","7","3","4","2","1") = "6"
    & skf21("3","5","3","7","3","4","3","1") = "6"
    & skf21("3","5","3","7","3","4","4","1") = "6"
    & skf21("3","5","3","7","3","4","5","1") = "6"
    & skf21("3","5","3","7","3","4","6","1") = "6"
    & skf21("3","5","3","7","3","4","7","1") = "6"
    & skf21("3","5","3","7","3","5","1","1") = "6"
    & skf21("3","5","3","7","3","5","2","1") = "6"
    & skf21("3","5","3","7","3","5","3","1") = "6"
    & skf21("3","5","3","7","3","5","4","1") = "6"
    & skf21("3","5","3","7","3","5","5","1") = "6"
    & skf21("3","5","3","7","3","5","6","1") = "6"
    & skf21("3","5","3","7","3","5","7","1") = "6"
    & skf21("3","5","3","7","3","6","1","1") = "6"
    & skf21("3","5","3","7","3","6","2","1") = "6"
    & skf21("3","5","3","7","3","6","3","1") = "6"
    & skf21("3","5","3","7","3","6","4","1") = "6"
    & skf21("3","5","3","7","3","6","5","1") = "6"
    & skf21("3","5","3","7","3","6","6","1") = "6"
    & skf21("3","5","3","7","3","6","7","1") = "6"
    & skf21("3","5","3","7","3","7","1","1") = "6"
    & skf21("3","5","3","7","3","7","2","1") = "6"
    & skf21("3","5","3","7","3","7","3","1") = "6"
    & skf21("3","5","3","7","3","7","4","1") = "6"
    & skf21("3","5","3","7","3","7","5","1") = "6"
    & skf21("3","5","3","7","3","7","6","1") = "6"
    & skf21("3","5","3","7","3","7","7","1") = "6"
    & skf21("3","5","3","7","4","1","1","1") = "6"
    & skf21("3","5","3","7","4","1","2","1") = "6"
    & skf21("3","5","3","7","4","1","3","1") = "6"
    & skf21("3","5","3","7","4","1","4","1") = "6"
    & skf21("3","5","3","7","4","1","5","1") = "6"
    & skf21("3","5","3","7","4","1","6","1") = "6"
    & skf21("3","5","3","7","4","1","7","1") = "6"
    & skf21("3","5","3","7","4","2","1","1") = "6"
    & skf21("3","5","3","7","4","2","2","1") = "6"
    & skf21("3","5","3","7","4","2","3","1") = "6"
    & skf21("3","5","3","7","4","2","4","1") = "6"
    & skf21("3","5","3","7","4","2","5","1") = "6"
    & skf21("3","5","3","7","4","2","6","1") = "6"
    & skf21("3","5","3","7","4","2","7","1") = "6"
    & skf21("3","5","3","7","4","3","1","1") = "6"
    & skf21("3","5","3","7","4","3","2","1") = "6"
    & skf21("3","5","3","7","4","3","3","1") = "6"
    & skf21("3","5","3","7","4","3","4","1") = "6"
    & skf21("3","5","3","7","4","3","5","1") = "6"
    & skf21("3","5","3","7","4","3","6","1") = "6"
    & skf21("3","5","3","7","4","3","7","1") = "6"
    & skf21("3","5","3","7","4","4","1","1") = "6"
    & skf21("3","5","3","7","4","4","2","1") = "6"
    & skf21("3","5","3","7","4","4","3","1") = "6"
    & skf21("3","5","3","7","4","4","4","1") = "6"
    & skf21("3","5","3","7","4","4","5","1") = "6"
    & skf21("3","5","3","7","4","4","6","1") = "6"
    & skf21("3","5","3","7","4","4","7","1") = "6"
    & skf21("3","5","3","7","4","5","1","1") = "6"
    & skf21("3","5","3","7","4","5","2","1") = "6"
    & skf21("3","5","3","7","4","5","3","1") = "6"
    & skf21("3","5","3","7","4","5","4","1") = "6"
    & skf21("3","5","3","7","4","5","5","1") = "6"
    & skf21("3","5","3","7","4","5","6","1") = "6"
    & skf21("3","5","3","7","4","5","7","1") = "6"
    & skf21("3","5","3","7","4","6","1","1") = "6"
    & skf21("3","5","3","7","4","6","2","1") = "6"
    & skf21("3","5","3","7","4","6","3","1") = "6"
    & skf21("3","5","3","7","4","6","4","1") = "6"
    & skf21("3","5","3","7","4","6","5","1") = "6"
    & skf21("3","5","3","7","4","6","6","1") = "6"
    & skf21("3","5","3","7","4","6","7","1") = "6"
    & skf21("3","5","3","7","4","7","1","1") = "6"
    & skf21("3","5","3","7","4","7","2","1") = "6"
    & skf21("3","5","3","7","4","7","3","1") = "6"
    & skf21("3","5","3","7","4","7","4","1") = "6"
    & skf21("3","5","3","7","4","7","5","1") = "6"
    & skf21("3","5","3","7","4","7","6","1") = "6"
    & skf21("3","5","3","7","4","7","7","1") = "6"
    & skf21("3","5","3","7","5","1","1","1") = "6"
    & skf21("3","5","3","7","5","1","2","1") = "6"
    & skf21("3","5","3","7","5","1","3","1") = "6"
    & skf21("3","5","3","7","5","1","4","1") = "6"
    & skf21("3","5","3","7","5","1","5","1") = "6"
    & skf21("3","5","3","7","5","1","6","1") = "6"
    & skf21("3","5","3","7","5","1","7","1") = "6"
    & skf21("3","5","3","7","5","2","1","1") = "6"
    & skf21("3","5","3","7","5","2","2","1") = "6"
    & skf21("3","5","3","7","5","2","3","1") = "6"
    & skf21("3","5","3","7","5","2","4","1") = "6"
    & skf21("3","5","3","7","5","2","5","1") = "6"
    & skf21("3","5","3","7","5","2","6","1") = "6"
    & skf21("3","5","3","7","5","2","7","1") = "6"
    & skf21("3","5","3","7","5","3","1","1") = "6"
    & skf21("3","5","3","7","5","3","2","1") = "6"
    & skf21("3","5","3","7","5","3","3","1") = "6"
    & skf21("3","5","3","7","5","3","4","1") = "6"
    & skf21("3","5","3","7","5","3","5","1") = "6"
    & skf21("3","5","3","7","5","3","6","1") = "6"
    & skf21("3","5","3","7","5","3","7","1") = "6"
    & skf21("3","5","3","7","5","4","1","1") = "6"
    & skf21("3","5","3","7","5","4","2","1") = "6"
    & skf21("3","5","3","7","5","4","3","1") = "6"
    & skf21("3","5","3","7","5","4","4","1") = "6"
    & skf21("3","5","3","7","5","4","5","1") = "6"
    & skf21("3","5","3","7","5","4","6","1") = "6"
    & skf21("3","5","3","7","5","4","7","1") = "6"
    & skf21("3","5","3","7","5","5","1","1") = "6"
    & skf21("3","5","3","7","5","5","2","1") = "6"
    & skf21("3","5","3","7","5","5","3","1") = "6"
    & skf21("3","5","3","7","5","5","4","1") = "6"
    & skf21("3","5","3","7","5","5","5","1") = "6"
    & skf21("3","5","3","7","5","5","6","1") = "6"
    & skf21("3","5","3","7","5","5","7","1") = "6"
    & skf21("3","5","3","7","5","6","1","1") = "6"
    & skf21("3","5","3","7","5","6","2","1") = "6"
    & skf21("3","5","3","7","5","6","3","1") = "6"
    & skf21("3","5","3","7","5","6","4","1") = "6"
    & skf21("3","5","3","7","5","6","5","1") = "6"
    & skf21("3","5","3","7","5","6","6","1") = "6"
    & skf21("3","5","3","7","5","6","7","1") = "6"
    & skf21("3","5","3","7","5","7","1","1") = "6"
    & skf21("3","5","3","7","5","7","2","1") = "6"
    & skf21("3","5","3","7","5","7","3","1") = "6"
    & skf21("3","5","3","7","5","7","4","1") = "6"
    & skf21("3","5","3","7","5","7","5","1") = "6"
    & skf21("3","5","3","7","5","7","6","1") = "6"
    & skf21("3","5","3","7","5","7","7","1") = "6"
    & skf21("3","5","3","7","6","1","1","1") = "6"
    & skf21("3","5","3","7","6","1","2","1") = "6"
    & skf21("3","5","3","7","6","1","3","1") = "6"
    & skf21("3","5","3","7","6","1","4","1") = "6"
    & skf21("3","5","3","7","6","1","5","1") = "6"
    & skf21("3","5","3","7","6","1","6","1") = "6"
    & skf21("3","5","3","7","6","1","7","1") = "6"
    & skf21("3","5","3","7","6","2","1","1") = "6"
    & skf21("3","5","3","7","6","2","2","1") = "6"
    & skf21("3","5","3","7","6","2","3","1") = "6"
    & skf21("3","5","3","7","6","2","4","1") = "6"
    & skf21("3","5","3","7","6","2","5","1") = "6"
    & skf21("3","5","3","7","6","2","6","1") = "6"
    & skf21("3","5","3","7","6","2","7","1") = "6"
    & skf21("3","5","3","7","6","3","1","1") = "6"
    & skf21("3","5","3","7","6","3","2","1") = "6"
    & skf21("3","5","3","7","6","3","3","1") = "6"
    & skf21("3","5","3","7","6","3","4","1") = "6"
    & skf21("3","5","3","7","6","3","5","1") = "6"
    & skf21("3","5","3","7","6","3","6","1") = "6"
    & skf21("3","5","3","7","6","3","7","1") = "6"
    & skf21("3","5","3","7","6","4","1","1") = "6"
    & skf21("3","5","3","7","6","4","2","1") = "6"
    & skf21("3","5","3","7","6","4","3","1") = "6"
    & skf21("3","5","3","7","6","4","4","1") = "6"
    & skf21("3","5","3","7","6","4","5","1") = "6"
    & skf21("3","5","3","7","6","4","6","1") = "6"
    & skf21("3","5","3","7","6","4","7","1") = "6"
    & skf21("3","5","3","7","6","5","1","1") = "6"
    & skf21("3","5","3","7","6","5","2","1") = "6"
    & skf21("3","5","3","7","6","5","3","1") = "6"
    & skf21("3","5","3","7","6","5","4","1") = "6"
    & skf21("3","5","3","7","6","5","5","1") = "6"
    & skf21("3","5","3","7","6","5","6","1") = "6"
    & skf21("3","5","3","7","6","5","7","1") = "6"
    & skf21("3","5","3","7","6","6","1","1") = "6"
    & skf21("3","5","3","7","6","6","2","1") = "6"
    & skf21("3","5","3","7","6","6","3","1") = "6"
    & skf21("3","5","3","7","6","6","4","1") = "6"
    & skf21("3","5","3","7","6","6","5","1") = "6"
    & skf21("3","5","3","7","6","6","6","1") = "6"
    & skf21("3","5","3","7","6","6","7","1") = "6"
    & skf21("3","5","3","7","6","7","1","1") = "6"
    & skf21("3","5","3","7","6","7","2","1") = "6"
    & skf21("3","5","3","7","6","7","3","1") = "6"
    & skf21("3","5","3","7","6","7","4","1") = "6"
    & skf21("3","5","3","7","6","7","5","1") = "6"
    & skf21("3","5","3","7","6","7","6","1") = "6"
    & skf21("3","5","3","7","6","7","7","1") = "6"
    & skf21("3","5","3","7","7","1","1","1") = "6"
    & skf21("3","5","3","7","7","1","2","1") = "6"
    & skf21("3","5","3","7","7","1","3","1") = "6"
    & skf21("3","5","3","7","7","1","4","1") = "6"
    & skf21("3","5","3","7","7","1","5","1") = "6"
    & skf21("3","5","3","7","7","1","6","1") = "6"
    & skf21("3","5","3","7","7","1","7","1") = "6"
    & skf21("3","5","3","7","7","2","1","1") = "6"
    & skf21("3","5","3","7","7","2","2","1") = "6"
    & skf21("3","5","3","7","7","2","3","1") = "6"
    & skf21("3","5","3","7","7","2","4","1") = "6"
    & skf21("3","5","3","7","7","2","5","1") = "6"
    & skf21("3","5","3","7","7","2","6","1") = "6"
    & skf21("3","5","3","7","7","2","7","1") = "6"
    & skf21("3","5","3","7","7","3","1","1") = "6"
    & skf21("3","5","3","7","7","3","2","1") = "6"
    & skf21("3","5","3","7","7","3","3","1") = "6"
    & skf21("3","5","3","7","7","3","4","1") = "6"
    & skf21("3","5","3","7","7","3","5","1") = "6"
    & skf21("3","5","3","7","7","3","6","1") = "6"
    & skf21("3","5","3","7","7","3","7","1") = "6"
    & skf21("3","5","3","7","7","4","1","1") = "6"
    & skf21("3","5","3","7","7","4","2","1") = "6"
    & skf21("3","5","3","7","7","4","3","1") = "6"
    & skf21("3","5","3","7","7","4","4","1") = "6"
    & skf21("3","5","3","7","7","4","5","1") = "6"
    & skf21("3","5","3","7","7","4","6","1") = "6"
    & skf21("3","5","3","7","7","4","7","1") = "6"
    & skf21("3","5","3","7","7","5","1","1") = "6"
    & skf21("3","5","3","7","7","5","2","1") = "6"
    & skf21("3","5","3","7","7","5","3","1") = "6"
    & skf21("3","5","3","7","7","5","4","1") = "6"
    & skf21("3","5","3","7","7","5","5","1") = "6"
    & skf21("3","5","3","7","7","5","6","1") = "6"
    & skf21("3","5","3","7","7","5","7","1") = "6"
    & skf21("3","5","3","7","7","6","1","1") = "6"
    & skf21("3","5","3","7","7","6","2","1") = "6"
    & skf21("3","5","3","7","7","6","3","1") = "6"
    & skf21("3","5","3","7","7","6","4","1") = "6"
    & skf21("3","5","3","7","7","6","5","1") = "6"
    & skf21("3","5","3","7","7","6","6","1") = "6"
    & skf21("3","5","3","7","7","6","7","1") = "6"
    & skf21("3","5","3","7","7","7","1","1") = "6"
    & skf21("3","5","3","7","7","7","2","1") = "6"
    & skf21("3","5","3","7","7","7","3","1") = "6"
    & skf21("3","5","3","7","7","7","4","1") = "6"
    & skf21("3","5","3","7","7","7","5","1") = "6"
    & skf21("3","5","3","7","7","7","6","1") = "6"
    & skf21("3","5","3","7","7","7","7","1") = "6"
    & skf21("3","5","4","1","1","1","1","1") = "4"
    & skf21("3","5","4","1","1","1","2","1") = "4"
    & skf21("3","5","4","1","1","1","3","1") = "4"
    & skf21("3","5","4","1","1","1","4","1") = "4"
    & skf21("3","5","4","1","1","1","5","1") = "4"
    & skf21("3","5","4","1","1","1","6","1") = "5"
    & skf21("3","5","4","1","1","1","7","1") = "6"
    & skf21("3","5","4","1","1","2","1","1") = "4"
    & skf21("3","5","4","1","1","2","2","1") = "4"
    & skf21("3","5","4","1","1","2","3","1") = "4"
    & skf21("3","5","4","1","1","2","4","1") = "4"
    & skf21("3","5","4","1","1","2","5","1") = "4"
    & skf21("3","5","4","1","1","2","6","1") = "5"
    & skf21("3","5","4","1","1","2","7","1") = "6"
    & skf21("3","5","4","1","1","3","1","1") = "4"
    & skf21("3","5","4","1","1","3","2","1") = "4"
    & skf21("3","5","4","1","1","3","3","1") = "4"
    & skf21("3","5","4","1","1","3","4","1") = "4"
    & skf21("3","5","4","1","1","3","5","1") = "4"
    & skf21("3","5","4","1","1","3","6","1") = "5"
    & skf21("3","5","4","1","1","3","7","1") = "6"
    & skf21("3","5","4","1","1","4","1","1") = "4"
    & skf21("3","5","4","1","1","4","2","1") = "4"
    & skf21("3","5","4","1","1","4","3","1") = "4"
    & skf21("3","5","4","1","1","4","4","1") = "4"
    & skf21("3","5","4","1","1","4","5","1") = "4"
    & skf21("3","5","4","1","1","4","6","1") = "5"
    & skf21("3","5","4","1","1","4","7","1") = "6"
    & skf21("3","5","4","1","1","5","1","1") = "4"
    & skf21("3","5","4","1","1","5","2","1") = "4"
    & skf21("3","5","4","1","1","5","3","1") = "4"
    & skf21("3","5","4","1","1","5","4","1") = "4"
    & skf21("3","5","4","1","1","5","5","1") = "4"
    & skf21("3","5","4","1","1","5","6","1") = "5"
    & skf21("3","5","4","1","1","5","7","1") = "6"
    & skf21("3","5","4","1","1","6","1","1") = "5"
    & skf21("3","5","4","1","1","6","2","1") = "5"
    & skf21("3","5","4","1","1","6","3","1") = "5"
    & skf21("3","5","4","1","1","6","4","1") = "5"
    & skf21("3","5","4","1","1","6","5","1") = "5"
    & skf21("3","5","4","1","1","6","6","1") = "5"
    & skf21("3","5","4","1","1","6","7","1") = "6"
    & skf21("3","5","4","1","1","7","1","1") = "6"
    & skf21("3","5","4","1","1","7","2","1") = "6"
    & skf21("3","5","4","1","1","7","3","1") = "6"
    & skf21("3","5","4","1","1","7","4","1") = "6"
    & skf21("3","5","4","1","1","7","5","1") = "6"
    & skf21("3","5","4","1","1","7","6","1") = "6"
    & skf21("3","5","4","1","1","7","7","1") = "6"
    & skf21("3","5","4","1","2","1","1","1") = "4"
    & skf21("3","5","4","1","2","1","2","1") = "4"
    & skf21("3","5","4","1","2","1","3","1") = "4"
    & skf21("3","5","4","1","2","1","4","1") = "4"
    & skf21("3","5","4","1","2","1","5","1") = "4"
    & skf21("3","5","4","1","2","1","6","1") = "5"
    & skf21("3","5","4","1","2","1","7","1") = "6"
    & skf21("3","5","4","1","2","2","1","1") = "4"
    & skf21("3","5","4","1","2","2","2","1") = "4"
    & skf21("3","5","4","1","2","2","3","1") = "4"
    & skf21("3","5","4","1","2","2","4","1") = "4"
    & skf21("3","5","4","1","2","2","5","1") = "4"
    & skf21("3","5","4","1","2","2","6","1") = "5"
    & skf21("3","5","4","1","2","2","7","1") = "6"
    & skf21("3","5","4","1","2","3","1","1") = "4"
    & skf21("3","5","4","1","2","3","2","1") = "4"
    & skf21("3","5","4","1","2","3","3","1") = "4"
    & skf21("3","5","4","1","2","3","4","1") = "4"
    & skf21("3","5","4","1","2","3","5","1") = "4"
    & skf21("3","5","4","1","2","3","6","1") = "5"
    & skf21("3","5","4","1","2","3","7","1") = "6"
    & skf21("3","5","4","1","2","4","1","1") = "4"
    & skf21("3","5","4","1","2","4","2","1") = "4"
    & skf21("3","5","4","1","2","4","3","1") = "4"
    & skf21("3","5","4","1","2","4","4","1") = "4"
    & skf21("3","5","4","1","2","4","5","1") = "4"
    & skf21("3","5","4","1","2","4","6","1") = "5"
    & skf21("3","5","4","1","2","4","7","1") = "6"
    & skf21("3","5","4","1","2","5","1","1") = "4"
    & skf21("3","5","4","1","2","5","2","1") = "4"
    & skf21("3","5","4","1","2","5","3","1") = "4"
    & skf21("3","5","4","1","2","5","4","1") = "4"
    & skf21("3","5","4","1","2","5","5","1") = "4"
    & skf21("3","5","4","1","2","5","6","1") = "5"
    & skf21("3","5","4","1","2","5","7","1") = "6"
    & skf21("3","5","4","1","2","6","1","1") = "5"
    & skf21("3","5","4","1","2","6","2","1") = "5"
    & skf21("3","5","4","1","2","6","3","1") = "5"
    & skf21("3","5","4","1","2","6","4","1") = "5"
    & skf21("3","5","4","1","2","6","5","1") = "5"
    & skf21("3","5","4","1","2","6","6","1") = "5"
    & skf21("3","5","4","1","2","6","7","1") = "6"
    & skf21("3","5","4","1","2","7","1","1") = "6"
    & skf21("3","5","4","1","2","7","2","1") = "6"
    & skf21("3","5","4","1","2","7","3","1") = "6"
    & skf21("3","5","4","1","2","7","4","1") = "6"
    & skf21("3","5","4","1","2","7","5","1") = "6"
    & skf21("3","5","4","1","2","7","6","1") = "6"
    & skf21("3","5","4","1","2","7","7","1") = "6"
    & skf21("3","5","4","1","3","1","1","1") = "4"
    & skf21("3","5","4","1","3","1","2","1") = "4"
    & skf21("3","5","4","1","3","1","3","1") = "4"
    & skf21("3","5","4","1","3","1","4","1") = "4"
    & skf21("3","5","4","1","3","1","5","1") = "4"
    & skf21("3","5","4","1","3","1","6","1") = "5"
    & skf21("3","5","4","1","3","1","7","1") = "6"
    & skf21("3","5","4","1","3","2","1","1") = "4"
    & skf21("3","5","4","1","3","2","2","1") = "4"
    & skf21("3","5","4","1","3","2","3","1") = "4"
    & skf21("3","5","4","1","3","2","4","1") = "4"
    & skf21("3","5","4","1","3","2","5","1") = "4"
    & skf21("3","5","4","1","3","2","6","1") = "5"
    & skf21("3","5","4","1","3","2","7","1") = "6"
    & skf21("3","5","4","1","3","3","1","1") = "4"
    & skf21("3","5","4","1","3","3","2","1") = "4"
    & skf21("3","5","4","1","3","3","3","1") = "4"
    & skf21("3","5","4","1","3","3","4","1") = "4"
    & skf21("3","5","4","1","3","3","5","1") = "4"
    & skf21("3","5","4","1","3","3","6","1") = "5"
    & skf21("3","5","4","1","3","3","7","1") = "6"
    & skf21("3","5","4","1","3","4","1","1") = "4"
    & skf21("3","5","4","1","3","4","2","1") = "4"
    & skf21("3","5","4","1","3","4","3","1") = "4"
    & skf21("3","5","4","1","3","4","4","1") = "4"
    & skf21("3","5","4","1","3","4","5","1") = "4"
    & skf21("3","5","4","1","3","4","6","1") = "5"
    & skf21("3","5","4","1","3","4","7","1") = "6"
    & skf21("3","5","4","1","3","5","1","1") = "4"
    & skf21("3","5","4","1","3","5","2","1") = "4"
    & skf21("3","5","4","1","3","5","3","1") = "4"
    & skf21("3","5","4","1","3","5","4","1") = "4"
    & skf21("3","5","4","1","3","5","5","1") = "4"
    & skf21("3","5","4","1","3","5","6","1") = "5"
    & skf21("3","5","4","1","3","5","7","1") = "6"
    & skf21("3","5","4","1","3","6","1","1") = "5"
    & skf21("3","5","4","1","3","6","2","1") = "5"
    & skf21("3","5","4","1","3","6","3","1") = "5"
    & skf21("3","5","4","1","3","6","4","1") = "5"
    & skf21("3","5","4","1","3","6","5","1") = "5"
    & skf21("3","5","4","1","3","6","6","1") = "5"
    & skf21("3","5","4","1","3","6","7","1") = "6"
    & skf21("3","5","4","1","3","7","1","1") = "6"
    & skf21("3","5","4","1","3","7","2","1") = "6"
    & skf21("3","5","4","1","3","7","3","1") = "6"
    & skf21("3","5","4","1","3","7","4","1") = "6"
    & skf21("3","5","4","1","3","7","5","1") = "6"
    & skf21("3","5","4","1","3","7","6","1") = "6"
    & skf21("3","5","4","1","3","7","7","1") = "6"
    & skf21("3","5","4","1","4","1","1","1") = "4"
    & skf21("3","5","4","1","4","1","2","1") = "4"
    & skf21("3","5","4","1","4","1","3","1") = "4"
    & skf21("3","5","4","1","4","1","4","1") = "4"
    & skf21("3","5","4","1","4","1","5","1") = "4"
    & skf21("3","5","4","1","4","1","6","1") = "5"
    & skf21("3","5","4","1","4","1","7","1") = "6"
    & skf21("3","5","4","1","4","2","1","1") = "4"
    & skf21("3","5","4","1","4","2","2","1") = "4"
    & skf21("3","5","4","1","4","2","3","1") = "4"
    & skf21("3","5","4","1","4","2","4","1") = "4"
    & skf21("3","5","4","1","4","2","5","1") = "4"
    & skf21("3","5","4","1","4","2","6","1") = "5"
    & skf21("3","5","4","1","4","2","7","1") = "6"
    & skf21("3","5","4","1","4","3","1","1") = "4"
    & skf21("3","5","4","1","4","3","2","1") = "4"
    & skf21("3","5","4","1","4","3","3","1") = "4"
    & skf21("3","5","4","1","4","3","4","1") = "4"
    & skf21("3","5","4","1","4","3","5","1") = "4"
    & skf21("3","5","4","1","4","3","6","1") = "5"
    & skf21("3","5","4","1","4","3","7","1") = "6"
    & skf21("3","5","4","1","4","4","1","1") = "4"
    & skf21("3","5","4","1","4","4","2","1") = "4"
    & skf21("3","5","4","1","4","4","3","1") = "4"
    & skf21("3","5","4","1","4","4","4","1") = "4"
    & skf21("3","5","4","1","4","4","5","1") = "4"
    & skf21("3","5","4","1","4","4","6","1") = "5"
    & skf21("3","5","4","1","4","4","7","1") = "6"
    & skf21("3","5","4","1","4","5","1","1") = "4"
    & skf21("3","5","4","1","4","5","2","1") = "4"
    & skf21("3","5","4","1","4","5","3","1") = "4"
    & skf21("3","5","4","1","4","5","4","1") = "4"
    & skf21("3","5","4","1","4","5","5","1") = "4"
    & skf21("3","5","4","1","4","5","6","1") = "5"
    & skf21("3","5","4","1","4","5","7","1") = "6"
    & skf21("3","5","4","1","4","6","1","1") = "5"
    & skf21("3","5","4","1","4","6","2","1") = "5"
    & skf21("3","5","4","1","4","6","3","1") = "5"
    & skf21("3","5","4","1","4","6","4","1") = "5"
    & skf21("3","5","4","1","4","6","5","1") = "5"
    & skf21("3","5","4","1","4","6","6","1") = "5"
    & skf21("3","5","4","1","4","6","7","1") = "6"
    & skf21("3","5","4","1","4","7","1","1") = "6"
    & skf21("3","5","4","1","4","7","2","1") = "6"
    & skf21("3","5","4","1","4","7","3","1") = "6"
    & skf21("3","5","4","1","4","7","4","1") = "6"
    & skf21("3","5","4","1","4","7","5","1") = "6"
    & skf21("3","5","4","1","4","7","6","1") = "6"
    & skf21("3","5","4","1","4","7","7","1") = "6"
    & skf21("3","5","4","1","5","1","1","1") = "4"
    & skf21("3","5","4","1","5","1","2","1") = "4"
    & skf21("3","5","4","1","5","1","3","1") = "4"
    & skf21("3","5","4","1","5","1","4","1") = "4"
    & skf21("3","5","4","1","5","1","5","1") = "4"
    & skf21("3","5","4","1","5","1","6","1") = "5"
    & skf21("3","5","4","1","5","1","7","1") = "6"
    & skf21("3","5","4","1","5","2","1","1") = "4"
    & skf21("3","5","4","1","5","2","2","1") = "4"
    & skf21("3","5","4","1","5","2","3","1") = "4"
    & skf21("3","5","4","1","5","2","4","1") = "4"
    & skf21("3","5","4","1","5","2","5","1") = "4"
    & skf21("3","5","4","1","5","2","6","1") = "5"
    & skf21("3","5","4","1","5","2","7","1") = "6"
    & skf21("3","5","4","1","5","3","1","1") = "4"
    & skf21("3","5","4","1","5","3","2","1") = "4"
    & skf21("3","5","4","1","5","3","3","1") = "4"
    & skf21("3","5","4","1","5","3","4","1") = "4"
    & skf21("3","5","4","1","5","3","5","1") = "4"
    & skf21("3","5","4","1","5","3","6","1") = "5"
    & skf21("3","5","4","1","5","3","7","1") = "6"
    & skf21("3","5","4","1","5","4","1","1") = "4"
    & skf21("3","5","4","1","5","4","2","1") = "4"
    & skf21("3","5","4","1","5","4","3","1") = "4"
    & skf21("3","5","4","1","5","4","4","1") = "4"
    & skf21("3","5","4","1","5","4","5","1") = "4"
    & skf21("3","5","4","1","5","4","6","1") = "5"
    & skf21("3","5","4","1","5","4","7","1") = "6"
    & skf21("3","5","4","1","5","5","1","1") = "4"
    & skf21("3","5","4","1","5","5","2","1") = "4"
    & skf21("3","5","4","1","5","5","3","1") = "4"
    & skf21("3","5","4","1","5","5","4","1") = "4"
    & skf21("3","5","4","1","5","5","5","1") = "4"
    & skf21("3","5","4","1","5","5","6","1") = "5"
    & skf21("3","5","4","1","5","5","7","1") = "6"
    & skf21("3","5","4","1","5","6","1","1") = "5"
    & skf21("3","5","4","1","5","6","2","1") = "5"
    & skf21("3","5","4","1","5","6","3","1") = "5"
    & skf21("3","5","4","1","5","6","4","1") = "5"
    & skf21("3","5","4","1","5","6","5","1") = "5"
    & skf21("3","5","4","1","5","6","6","1") = "5"
    & skf21("3","5","4","1","5","6","7","1") = "6"
    & skf21("3","5","4","1","5","7","1","1") = "6"
    & skf21("3","5","4","1","5","7","2","1") = "6"
    & skf21("3","5","4","1","5","7","3","1") = "6"
    & skf21("3","5","4","1","5","7","4","1") = "6"
    & skf21("3","5","4","1","5","7","5","1") = "6"
    & skf21("3","5","4","1","5","7","6","1") = "6"
    & skf21("3","5","4","1","5","7","7","1") = "6"
    & skf21("3","5","4","1","6","1","1","1") = "5"
    & skf21("3","5","4","1","6","1","2","1") = "5"
    & skf21("3","5","4","1","6","1","3","1") = "5"
    & skf21("3","5","4","1","6","1","4","1") = "5"
    & skf21("3","5","4","1","6","1","5","1") = "5"
    & skf21("3","5","4","1","6","1","6","1") = "5"
    & skf21("3","5","4","1","6","1","7","1") = "6"
    & skf21("3","5","4","1","6","2","1","1") = "5"
    & skf21("3","5","4","1","6","2","2","1") = "5"
    & skf21("3","5","4","1","6","2","3","1") = "5"
    & skf21("3","5","4","1","6","2","4","1") = "5"
    & skf21("3","5","4","1","6","2","5","1") = "5"
    & skf21("3","5","4","1","6","2","6","1") = "5"
    & skf21("3","5","4","1","6","2","7","1") = "6"
    & skf21("3","5","4","1","6","3","1","1") = "5"
    & skf21("3","5","4","1","6","3","2","1") = "5"
    & skf21("3","5","4","1","6","3","3","1") = "5"
    & skf21("3","5","4","1","6","3","4","1") = "5"
    & skf21("3","5","4","1","6","3","5","1") = "5"
    & skf21("3","5","4","1","6","3","6","1") = "5"
    & skf21("3","5","4","1","6","3","7","1") = "6"
    & skf21("3","5","4","1","6","4","1","1") = "5"
    & skf21("3","5","4","1","6","4","2","1") = "5"
    & skf21("3","5","4","1","6","4","3","1") = "5"
    & skf21("3","5","4","1","6","4","4","1") = "5"
    & skf21("3","5","4","1","6","4","5","1") = "5"
    & skf21("3","5","4","1","6","4","6","1") = "5"
    & skf21("3","5","4","1","6","4","7","1") = "6"
    & skf21("3","5","4","1","6","5","1","1") = "5"
    & skf21("3","5","4","1","6","5","2","1") = "5"
    & skf21("3","5","4","1","6","5","3","1") = "5"
    & skf21("3","5","4","1","6","5","4","1") = "5"
    & skf21("3","5","4","1","6","5","5","1") = "5"
    & skf21("3","5","4","1","6","5","6","1") = "5"
    & skf21("3","5","4","1","6","5","7","1") = "6"
    & skf21("3","5","4","1","6","6","1","1") = "5"
    & skf21("3","5","4","1","6","6","2","1") = "5"
    & skf21("3","5","4","1","6","6","3","1") = "5"
    & skf21("3","5","4","1","6","6","4","1") = "5"
    & skf21("3","5","4","1","6","6","5","1") = "5"
    & skf21("3","5","4","1","6","6","6","1") = "5"
    & skf21("3","5","4","1","6","6","7","1") = "6"
    & skf21("3","5","4","1","6","7","1","1") = "6"
    & skf21("3","5","4","1","6","7","2","1") = "6"
    & skf21("3","5","4","1","6","7","3","1") = "6"
    & skf21("3","5","4","1","6","7","4","1") = "6"
    & skf21("3","5","4","1","6","7","5","1") = "6"
    & skf21("3","5","4","1","6","7","6","1") = "6"
    & skf21("3","5","4","1","6","7","7","1") = "6"
    & skf21("3","5","4","1","7","1","1","1") = "6"
    & skf21("3","5","4","1","7","1","2","1") = "6"
    & skf21("3","5","4","1","7","1","3","1") = "6"
    & skf21("3","5","4","1","7","1","4","1") = "6"
    & skf21("3","5","4","1","7","1","5","1") = "6"
    & skf21("3","5","4","1","7","1","6","1") = "6"
    & skf21("3","5","4","1","7","1","7","1") = "6"
    & skf21("3","5","4","1","7","2","1","1") = "6"
    & skf21("3","5","4","1","7","2","2","1") = "6"
    & skf21("3","5","4","1","7","2","3","1") = "6"
    & skf21("3","5","4","1","7","2","4","1") = "6"
    & skf21("3","5","4","1","7","2","5","1") = "6"
    & skf21("3","5","4","1","7","2","6","1") = "6"
    & skf21("3","5","4","1","7","2","7","1") = "6"
    & skf21("3","5","4","1","7","3","1","1") = "6"
    & skf21("3","5","4","1","7","3","2","1") = "6"
    & skf21("3","5","4","1","7","3","3","1") = "6"
    & skf21("3","5","4","1","7","3","4","1") = "6"
    & skf21("3","5","4","1","7","3","5","1") = "6"
    & skf21("3","5","4","1","7","3","6","1") = "6"
    & skf21("3","5","4","1","7","3","7","1") = "6"
    & skf21("3","5","4","1","7","4","1","1") = "6"
    & skf21("3","5","4","1","7","4","2","1") = "6"
    & skf21("3","5","4","1","7","4","3","1") = "6"
    & skf21("3","5","4","1","7","4","4","1") = "6"
    & skf21("3","5","4","1","7","4","5","1") = "6"
    & skf21("3","5","4","1","7","4","6","1") = "6"
    & skf21("3","5","4","1","7","4","7","1") = "6"
    & skf21("3","5","4","1","7","5","1","1") = "6"
    & skf21("3","5","4","1","7","5","2","1") = "6"
    & skf21("3","5","4","1","7","5","3","1") = "6"
    & skf21("3","5","4","1","7","5","4","1") = "6"
    & skf21("3","5","4","1","7","5","5","1") = "6"
    & skf21("3","5","4","1","7","5","6","1") = "6"
    & skf21("3","5","4","1","7","5","7","1") = "6"
    & skf21("3","5","4","1","7","6","1","1") = "6"
    & skf21("3","5","4","1","7","6","2","1") = "6"
    & skf21("3","5","4","1","7","6","3","1") = "6"
    & skf21("3","5","4","1","7","6","4","1") = "6"
    & skf21("3","5","4","1","7","6","5","1") = "6"
    & skf21("3","5","4","1","7","6","6","1") = "6"
    & skf21("3","5","4","1","7","6","7","1") = "6"
    & skf21("3","5","4","1","7","7","1","1") = "6"
    & skf21("3","5","4","1","7","7","2","1") = "6"
    & skf21("3","5","4","1","7","7","3","1") = "6"
    & skf21("3","5","4","1","7","7","4","1") = "6"
    & skf21("3","5","4","1","7","7","5","1") = "6"
    & skf21("3","5","4","1","7","7","6","1") = "6"
    & skf21("3","5","4","1","7","7","7","1") = "6"
    & skf21("3","5","4","2","1","1","1","1") = "4"
    & skf21("3","5","4","2","1","1","2","1") = "4"
    & skf21("3","5","4","2","1","1","3","1") = "4"
    & skf21("3","5","4","2","1","1","4","1") = "4"
    & skf21("3","5","4","2","1","1","5","1") = "4"
    & skf21("3","5","4","2","1","1","6","1") = "5"
    & skf21("3","5","4","2","1","1","7","1") = "6"
    & skf21("3","5","4","2","1","2","1","1") = "4"
    & skf21("3","5","4","2","1","2","2","1") = "4"
    & skf21("3","5","4","2","1","2","3","1") = "4"
    & skf21("3","5","4","2","1","2","4","1") = "4"
    & skf21("3","5","4","2","1","2","5","1") = "4"
    & skf21("3","5","4","2","1","2","6","1") = "5"
    & skf21("3","5","4","2","1","2","7","1") = "6"
    & skf21("3","5","4","2","1","3","1","1") = "4"
    & skf21("3","5","4","2","1","3","2","1") = "4"
    & skf21("3","5","4","2","1","3","3","1") = "4"
    & skf21("3","5","4","2","1","3","4","1") = "4"
    & skf21("3","5","4","2","1","3","5","1") = "4"
    & skf21("3","5","4","2","1","3","6","1") = "5"
    & skf21("3","5","4","2","1","3","7","1") = "6"
    & skf21("3","5","4","2","1","4","1","1") = "4"
    & skf21("3","5","4","2","1","4","2","1") = "4"
    & skf21("3","5","4","2","1","4","3","1") = "4"
    & skf21("3","5","4","2","1","4","4","1") = "4"
    & skf21("3","5","4","2","1","4","5","1") = "4"
    & skf21("3","5","4","2","1","4","6","1") = "5"
    & skf21("3","5","4","2","1","4","7","1") = "6"
    & skf21("3","5","4","2","1","5","1","1") = "4"
    & skf21("3","5","4","2","1","5","2","1") = "4"
    & skf21("3","5","4","2","1","5","3","1") = "4"
    & skf21("3","5","4","2","1","5","4","1") = "4"
    & skf21("3","5","4","2","1","5","5","1") = "4"
    & skf21("3","5","4","2","1","5","6","1") = "5"
    & skf21("3","5","4","2","1","5","7","1") = "6"
    & skf21("3","5","4","2","1","6","1","1") = "5"
    & skf21("3","5","4","2","1","6","2","1") = "5"
    & skf21("3","5","4","2","1","6","3","1") = "5"
    & skf21("3","5","4","2","1","6","4","1") = "5"
    & skf21("3","5","4","2","1","6","5","1") = "5"
    & skf21("3","5","4","2","1","6","6","1") = "5"
    & skf21("3","5","4","2","1","6","7","1") = "6"
    & skf21("3","5","4","2","1","7","1","1") = "6"
    & skf21("3","5","4","2","1","7","2","1") = "6"
    & skf21("3","5","4","2","1","7","3","1") = "6"
    & skf21("3","5","4","2","1","7","4","1") = "6"
    & skf21("3","5","4","2","1","7","5","1") = "6"
    & skf21("3","5","4","2","1","7","6","1") = "6"
    & skf21("3","5","4","2","1","7","7","1") = "6"
    & skf21("3","5","4","2","2","1","1","1") = "4"
    & skf21("3","5","4","2","2","1","2","1") = "4"
    & skf21("3","5","4","2","2","1","3","1") = "4"
    & skf21("3","5","4","2","2","1","4","1") = "4"
    & skf21("3","5","4","2","2","1","5","1") = "4"
    & skf21("3","5","4","2","2","1","6","1") = "5"
    & skf21("3","5","4","2","2","1","7","1") = "6"
    & skf21("3","5","4","2","2","2","1","1") = "4"
    & skf21("3","5","4","2","2","2","2","1") = "4"
    & skf21("3","5","4","2","2","2","3","1") = "4"
    & skf21("3","5","4","2","2","2","4","1") = "4"
    & skf21("3","5","4","2","2","2","5","1") = "4"
    & skf21("3","5","4","2","2","2","6","1") = "5"
    & skf21("3","5","4","2","2","2","7","1") = "6"
    & skf21("3","5","4","2","2","3","1","1") = "4"
    & skf21("3","5","4","2","2","3","2","1") = "4"
    & skf21("3","5","4","2","2","3","3","1") = "4"
    & skf21("3","5","4","2","2","3","4","1") = "4"
    & skf21("3","5","4","2","2","3","5","1") = "4"
    & skf21("3","5","4","2","2","3","6","1") = "5"
    & skf21("3","5","4","2","2","3","7","1") = "6"
    & skf21("3","5","4","2","2","4","1","1") = "4"
    & skf21("3","5","4","2","2","4","2","1") = "4"
    & skf21("3","5","4","2","2","4","3","1") = "4"
    & skf21("3","5","4","2","2","4","4","1") = "4"
    & skf21("3","5","4","2","2","4","5","1") = "4"
    & skf21("3","5","4","2","2","4","6","1") = "5"
    & skf21("3","5","4","2","2","4","7","1") = "6"
    & skf21("3","5","4","2","2","5","1","1") = "4"
    & skf21("3","5","4","2","2","5","2","1") = "4"
    & skf21("3","5","4","2","2","5","3","1") = "4"
    & skf21("3","5","4","2","2","5","4","1") = "4"
    & skf21("3","5","4","2","2","5","5","1") = "4"
    & skf21("3","5","4","2","2","5","6","1") = "5"
    & skf21("3","5","4","2","2","5","7","1") = "6"
    & skf21("3","5","4","2","2","6","1","1") = "5"
    & skf21("3","5","4","2","2","6","2","1") = "5"
    & skf21("3","5","4","2","2","6","3","1") = "5"
    & skf21("3","5","4","2","2","6","4","1") = "5"
    & skf21("3","5","4","2","2","6","5","1") = "5"
    & skf21("3","5","4","2","2","6","6","1") = "5"
    & skf21("3","5","4","2","2","6","7","1") = "6"
    & skf21("3","5","4","2","2","7","1","1") = "6"
    & skf21("3","5","4","2","2","7","2","1") = "6"
    & skf21("3","5","4","2","2","7","3","1") = "6"
    & skf21("3","5","4","2","2","7","4","1") = "6"
    & skf21("3","5","4","2","2","7","5","1") = "6"
    & skf21("3","5","4","2","2","7","6","1") = "6"
    & skf21("3","5","4","2","2","7","7","1") = "6"
    & skf21("3","5","4","2","3","1","1","1") = "4"
    & skf21("3","5","4","2","3","1","2","1") = "4"
    & skf21("3","5","4","2","3","1","3","1") = "4"
    & skf21("3","5","4","2","3","1","4","1") = "4"
    & skf21("3","5","4","2","3","1","5","1") = "4"
    & skf21("3","5","4","2","3","1","6","1") = "5"
    & skf21("3","5","4","2","3","1","7","1") = "6"
    & skf21("3","5","4","2","3","2","1","1") = "4"
    & skf21("3","5","4","2","3","2","2","1") = "4"
    & skf21("3","5","4","2","3","2","3","1") = "4"
    & skf21("3","5","4","2","3","2","4","1") = "4"
    & skf21("3","5","4","2","3","2","5","1") = "4"
    & skf21("3","5","4","2","3","2","6","1") = "5"
    & skf21("3","5","4","2","3","2","7","1") = "6"
    & skf21("3","5","4","2","3","3","1","1") = "4"
    & skf21("3","5","4","2","3","3","2","1") = "4"
    & skf21("3","5","4","2","3","3","3","1") = "4"
    & skf21("3","5","4","2","3","3","4","1") = "4"
    & skf21("3","5","4","2","3","3","5","1") = "4"
    & skf21("3","5","4","2","3","3","6","1") = "5"
    & skf21("3","5","4","2","3","3","7","1") = "6"
    & skf21("3","5","4","2","3","4","1","1") = "4"
    & skf21("3","5","4","2","3","4","2","1") = "4"
    & skf21("3","5","4","2","3","4","3","1") = "4"
    & skf21("3","5","4","2","3","4","4","1") = "4"
    & skf21("3","5","4","2","3","4","5","1") = "4"
    & skf21("3","5","4","2","3","4","6","1") = "5"
    & skf21("3","5","4","2","3","4","7","1") = "6"
    & skf21("3","5","4","2","3","5","1","1") = "4"
    & skf21("3","5","4","2","3","5","2","1") = "4"
    & skf21("3","5","4","2","3","5","3","1") = "4"
    & skf21("3","5","4","2","3","5","4","1") = "4"
    & skf21("3","5","4","2","3","5","5","1") = "4"
    & skf21("3","5","4","2","3","5","6","1") = "5"
    & skf21("3","5","4","2","3","5","7","1") = "6"
    & skf21("3","5","4","2","3","6","1","1") = "5"
    & skf21("3","5","4","2","3","6","2","1") = "5"
    & skf21("3","5","4","2","3","6","3","1") = "5"
    & skf21("3","5","4","2","3","6","4","1") = "5"
    & skf21("3","5","4","2","3","6","5","1") = "5"
    & skf21("3","5","4","2","3","6","6","1") = "5"
    & skf21("3","5","4","2","3","6","7","1") = "6"
    & skf21("3","5","4","2","3","7","1","1") = "6"
    & skf21("3","5","4","2","3","7","2","1") = "6"
    & skf21("3","5","4","2","3","7","3","1") = "6"
    & skf21("3","5","4","2","3","7","4","1") = "6"
    & skf21("3","5","4","2","3","7","5","1") = "6"
    & skf21("3","5","4","2","3","7","6","1") = "6"
    & skf21("3","5","4","2","3","7","7","1") = "6"
    & skf21("3","5","4","2","4","1","1","1") = "4"
    & skf21("3","5","4","2","4","1","2","1") = "4"
    & skf21("3","5","4","2","4","1","3","1") = "4"
    & skf21("3","5","4","2","4","1","4","1") = "4"
    & skf21("3","5","4","2","4","1","5","1") = "4"
    & skf21("3","5","4","2","4","1","6","1") = "5"
    & skf21("3","5","4","2","4","1","7","1") = "6"
    & skf21("3","5","4","2","4","2","1","1") = "4"
    & skf21("3","5","4","2","4","2","2","1") = "4"
    & skf21("3","5","4","2","4","2","3","1") = "4"
    & skf21("3","5","4","2","4","2","4","1") = "4"
    & skf21("3","5","4","2","4","2","5","1") = "4"
    & skf21("3","5","4","2","4","2","6","1") = "5"
    & skf21("3","5","4","2","4","2","7","1") = "6"
    & skf21("3","5","4","2","4","3","1","1") = "4"
    & skf21("3","5","4","2","4","3","2","1") = "4"
    & skf21("3","5","4","2","4","3","3","1") = "4"
    & skf21("3","5","4","2","4","3","4","1") = "4"
    & skf21("3","5","4","2","4","3","5","1") = "4"
    & skf21("3","5","4","2","4","3","6","1") = "5"
    & skf21("3","5","4","2","4","3","7","1") = "6"
    & skf21("3","5","4","2","4","4","1","1") = "4"
    & skf21("3","5","4","2","4","4","2","1") = "4"
    & skf21("3","5","4","2","4","4","3","1") = "4"
    & skf21("3","5","4","2","4","4","4","1") = "4"
    & skf21("3","5","4","2","4","4","5","1") = "4"
    & skf21("3","5","4","2","4","4","6","1") = "5"
    & skf21("3","5","4","2","4","4","7","1") = "6"
    & skf21("3","5","4","2","4","5","1","1") = "4"
    & skf21("3","5","4","2","4","5","2","1") = "4"
    & skf21("3","5","4","2","4","5","3","1") = "4"
    & skf21("3","5","4","2","4","5","4","1") = "4"
    & skf21("3","5","4","2","4","5","5","1") = "4"
    & skf21("3","5","4","2","4","5","6","1") = "5"
    & skf21("3","5","4","2","4","5","7","1") = "6"
    & skf21("3","5","4","2","4","6","1","1") = "5"
    & skf21("3","5","4","2","4","6","2","1") = "5"
    & skf21("3","5","4","2","4","6","3","1") = "5"
    & skf21("3","5","4","2","4","6","4","1") = "5"
    & skf21("3","5","4","2","4","6","5","1") = "5"
    & skf21("3","5","4","2","4","6","6","1") = "5"
    & skf21("3","5","4","2","4","6","7","1") = "6"
    & skf21("3","5","4","2","4","7","1","1") = "6"
    & skf21("3","5","4","2","4","7","2","1") = "6"
    & skf21("3","5","4","2","4","7","3","1") = "6"
    & skf21("3","5","4","2","4","7","4","1") = "6"
    & skf21("3","5","4","2","4","7","5","1") = "6"
    & skf21("3","5","4","2","4","7","6","1") = "6"
    & skf21("3","5","4","2","4","7","7","1") = "6"
    & skf21("3","5","4","2","5","1","1","1") = "4"
    & skf21("3","5","4","2","5","1","2","1") = "4"
    & skf21("3","5","4","2","5","1","3","1") = "4"
    & skf21("3","5","4","2","5","1","4","1") = "4"
    & skf21("3","5","4","2","5","1","5","1") = "4"
    & skf21("3","5","4","2","5","1","6","1") = "5"
    & skf21("3","5","4","2","5","1","7","1") = "6"
    & skf21("3","5","4","2","5","2","1","1") = "4"
    & skf21("3","5","4","2","5","2","2","1") = "4"
    & skf21("3","5","4","2","5","2","3","1") = "4"
    & skf21("3","5","4","2","5","2","4","1") = "4"
    & skf21("3","5","4","2","5","2","5","1") = "4"
    & skf21("3","5","4","2","5","2","6","1") = "5"
    & skf21("3","5","4","2","5","2","7","1") = "6"
    & skf21("3","5","4","2","5","3","1","1") = "4"
    & skf21("3","5","4","2","5","3","2","1") = "4"
    & skf21("3","5","4","2","5","3","3","1") = "4"
    & skf21("3","5","4","2","5","3","4","1") = "4"
    & skf21("3","5","4","2","5","3","5","1") = "4"
    & skf21("3","5","4","2","5","3","6","1") = "5"
    & skf21("3","5","4","2","5","3","7","1") = "6"
    & skf21("3","5","4","2","5","4","1","1") = "4"
    & skf21("3","5","4","2","5","4","2","1") = "4"
    & skf21("3","5","4","2","5","4","3","1") = "4"
    & skf21("3","5","4","2","5","4","4","1") = "4"
    & skf21("3","5","4","2","5","4","5","1") = "4"
    & skf21("3","5","4","2","5","4","6","1") = "5"
    & skf21("3","5","4","2","5","4","7","1") = "6"
    & skf21("3","5","4","2","5","5","1","1") = "4"
    & skf21("3","5","4","2","5","5","2","1") = "4"
    & skf21("3","5","4","2","5","5","3","1") = "4"
    & skf21("3","5","4","2","5","5","4","1") = "4"
    & skf21("3","5","4","2","5","5","5","1") = "4"
    & skf21("3","5","4","2","5","5","6","1") = "5"
    & skf21("3","5","4","2","5","5","7","1") = "6"
    & skf21("3","5","4","2","5","6","1","1") = "5"
    & skf21("3","5","4","2","5","6","2","1") = "5"
    & skf21("3","5","4","2","5","6","3","1") = "5"
    & skf21("3","5","4","2","5","6","4","1") = "5"
    & skf21("3","5","4","2","5","6","5","1") = "5"
    & skf21("3","5","4","2","5","6","6","1") = "5"
    & skf21("3","5","4","2","5","6","7","1") = "6"
    & skf21("3","5","4","2","5","7","1","1") = "6"
    & skf21("3","5","4","2","5","7","2","1") = "6"
    & skf21("3","5","4","2","5","7","3","1") = "6"
    & skf21("3","5","4","2","5","7","4","1") = "6"
    & skf21("3","5","4","2","5","7","5","1") = "6"
    & skf21("3","5","4","2","5","7","6","1") = "6"
    & skf21("3","5","4","2","5","7","7","1") = "6"
    & skf21("3","5","4","2","6","1","1","1") = "5"
    & skf21("3","5","4","2","6","1","2","1") = "5"
    & skf21("3","5","4","2","6","1","3","1") = "5"
    & skf21("3","5","4","2","6","1","4","1") = "5"
    & skf21("3","5","4","2","6","1","5","1") = "5"
    & skf21("3","5","4","2","6","1","6","1") = "5"
    & skf21("3","5","4","2","6","1","7","1") = "6"
    & skf21("3","5","4","2","6","2","1","1") = "5"
    & skf21("3","5","4","2","6","2","2","1") = "5"
    & skf21("3","5","4","2","6","2","3","1") = "5"
    & skf21("3","5","4","2","6","2","4","1") = "5"
    & skf21("3","5","4","2","6","2","5","1") = "5"
    & skf21("3","5","4","2","6","2","6","1") = "5"
    & skf21("3","5","4","2","6","2","7","1") = "6"
    & skf21("3","5","4","2","6","3","1","1") = "5"
    & skf21("3","5","4","2","6","3","2","1") = "5"
    & skf21("3","5","4","2","6","3","3","1") = "5"
    & skf21("3","5","4","2","6","3","4","1") = "5"
    & skf21("3","5","4","2","6","3","5","1") = "5"
    & skf21("3","5","4","2","6","3","6","1") = "5"
    & skf21("3","5","4","2","6","3","7","1") = "6"
    & skf21("3","5","4","2","6","4","1","1") = "5"
    & skf21("3","5","4","2","6","4","2","1") = "5"
    & skf21("3","5","4","2","6","4","3","1") = "5"
    & skf21("3","5","4","2","6","4","4","1") = "5"
    & skf21("3","5","4","2","6","4","5","1") = "5"
    & skf21("3","5","4","2","6","4","6","1") = "5"
    & skf21("3","5","4","2","6","4","7","1") = "6"
    & skf21("3","5","4","2","6","5","1","1") = "5"
    & skf21("3","5","4","2","6","5","2","1") = "5"
    & skf21("3","5","4","2","6","5","3","1") = "5"
    & skf21("3","5","4","2","6","5","4","1") = "5"
    & skf21("3","5","4","2","6","5","5","1") = "5"
    & skf21("3","5","4","2","6","5","6","1") = "5"
    & skf21("3","5","4","2","6","5","7","1") = "6"
    & skf21("3","5","4","2","6","6","1","1") = "5"
    & skf21("3","5","4","2","6","6","2","1") = "5"
    & skf21("3","5","4","2","6","6","3","1") = "5"
    & skf21("3","5","4","2","6","6","4","1") = "5"
    & skf21("3","5","4","2","6","6","5","1") = "5"
    & skf21("3","5","4","2","6","6","6","1") = "5"
    & skf21("3","5","4","2","6","6","7","1") = "6"
    & skf21("3","5","4","2","6","7","1","1") = "6"
    & skf21("3","5","4","2","6","7","2","1") = "6"
    & skf21("3","5","4","2","6","7","3","1") = "6"
    & skf21("3","5","4","2","6","7","4","1") = "6"
    & skf21("3","5","4","2","6","7","5","1") = "6"
    & skf21("3","5","4","2","6","7","6","1") = "6"
    & skf21("3","5","4","2","6","7","7","1") = "6"
    & skf21("3","5","4","2","7","1","1","1") = "6"
    & skf21("3","5","4","2","7","1","2","1") = "6"
    & skf21("3","5","4","2","7","1","3","1") = "6"
    & skf21("3","5","4","2","7","1","4","1") = "6"
    & skf21("3","5","4","2","7","1","5","1") = "6"
    & skf21("3","5","4","2","7","1","6","1") = "6"
    & skf21("3","5","4","2","7","1","7","1") = "6"
    & skf21("3","5","4","2","7","2","1","1") = "6"
    & skf21("3","5","4","2","7","2","2","1") = "6"
    & skf21("3","5","4","2","7","2","3","1") = "6"
    & skf21("3","5","4","2","7","2","4","1") = "6"
    & skf21("3","5","4","2","7","2","5","1") = "6"
    & skf21("3","5","4","2","7","2","6","1") = "6"
    & skf21("3","5","4","2","7","2","7","1") = "6"
    & skf21("3","5","4","2","7","3","1","1") = "6"
    & skf21("3","5","4","2","7","3","2","1") = "6"
    & skf21("3","5","4","2","7","3","3","1") = "6"
    & skf21("3","5","4","2","7","3","4","1") = "6"
    & skf21("3","5","4","2","7","3","5","1") = "6"
    & skf21("3","5","4","2","7","3","6","1") = "6"
    & skf21("3","5","4","2","7","3","7","1") = "6"
    & skf21("3","5","4","2","7","4","1","1") = "6"
    & skf21("3","5","4","2","7","4","2","1") = "6"
    & skf21("3","5","4","2","7","4","3","1") = "6"
    & skf21("3","5","4","2","7","4","4","1") = "6"
    & skf21("3","5","4","2","7","4","5","1") = "6"
    & skf21("3","5","4","2","7","4","6","1") = "6"
    & skf21("3","5","4","2","7","4","7","1") = "6"
    & skf21("3","5","4","2","7","5","1","1") = "6"
    & skf21("3","5","4","2","7","5","2","1") = "6"
    & skf21("3","5","4","2","7","5","3","1") = "6"
    & skf21("3","5","4","2","7","5","4","1") = "6"
    & skf21("3","5","4","2","7","5","5","1") = "6"
    & skf21("3","5","4","2","7","5","6","1") = "6"
    & skf21("3","5","4","2","7","5","7","1") = "6"
    & skf21("3","5","4","2","7","6","1","1") = "6"
    & skf21("3","5","4","2","7","6","2","1") = "6"
    & skf21("3","5","4","2","7","6","3","1") = "6"
    & skf21("3","5","4","2","7","6","4","1") = "6"
    & skf21("3","5","4","2","7","6","5","1") = "6"
    & skf21("3","5","4","2","7","6","6","1") = "6"
    & skf21("3","5","4","2","7","6","7","1") = "6"
    & skf21("3","5","4","2","7","7","1","1") = "6"
    & skf21("3","5","4","2","7","7","2","1") = "6"
    & skf21("3","5","4","2","7","7","3","1") = "6"
    & skf21("3","5","4","2","7","7","4","1") = "6"
    & skf21("3","5","4","2","7","7","5","1") = "6"
    & skf21("3","5","4","2","7","7","6","1") = "6"
    & skf21("3","5","4","2","7","7","7","1") = "6"
    & skf21("3","5","4","3","1","1","1","1") = "4"
    & skf21("3","5","4","3","1","1","2","1") = "4"
    & skf21("3","5","4","3","1","1","3","1") = "4"
    & skf21("3","5","4","3","1","1","4","1") = "4"
    & skf21("3","5","4","3","1","1","5","1") = "4"
    & skf21("3","5","4","3","1","1","6","1") = "5"
    & skf21("3","5","4","3","1","1","7","1") = "6"
    & skf21("3","5","4","3","1","2","1","1") = "4"
    & skf21("3","5","4","3","1","2","2","1") = "4"
    & skf21("3","5","4","3","1","2","3","1") = "4"
    & skf21("3","5","4","3","1","2","4","1") = "4"
    & skf21("3","5","4","3","1","2","5","1") = "4"
    & skf21("3","5","4","3","1","2","6","1") = "5"
    & skf21("3","5","4","3","1","2","7","1") = "6"
    & skf21("3","5","4","3","1","3","1","1") = "4"
    & skf21("3","5","4","3","1","3","2","1") = "4"
    & skf21("3","5","4","3","1","3","3","1") = "4"
    & skf21("3","5","4","3","1","3","4","1") = "4"
    & skf21("3","5","4","3","1","3","5","1") = "4"
    & skf21("3","5","4","3","1","3","6","1") = "5"
    & skf21("3","5","4","3","1","3","7","1") = "6"
    & skf21("3","5","4","3","1","4","1","1") = "4"
    & skf21("3","5","4","3","1","4","2","1") = "4"
    & skf21("3","5","4","3","1","4","3","1") = "4"
    & skf21("3","5","4","3","1","4","4","1") = "4"
    & skf21("3","5","4","3","1","4","5","1") = "4"
    & skf21("3","5","4","3","1","4","6","1") = "5"
    & skf21("3","5","4","3","1","4","7","1") = "6"
    & skf21("3","5","4","3","1","5","1","1") = "4"
    & skf21("3","5","4","3","1","5","2","1") = "4"
    & skf21("3","5","4","3","1","5","3","1") = "4"
    & skf21("3","5","4","3","1","5","4","1") = "4"
    & skf21("3","5","4","3","1","5","5","1") = "4"
    & skf21("3","5","4","3","1","5","6","1") = "5"
    & skf21("3","5","4","3","1","5","7","1") = "6"
    & skf21("3","5","4","3","1","6","1","1") = "5"
    & skf21("3","5","4","3","1","6","2","1") = "5"
    & skf21("3","5","4","3","1","6","3","1") = "5"
    & skf21("3","5","4","3","1","6","4","1") = "5"
    & skf21("3","5","4","3","1","6","5","1") = "5"
    & skf21("3","5","4","3","1","6","6","1") = "5"
    & skf21("3","5","4","3","1","6","7","1") = "6"
    & skf21("3","5","4","3","1","7","1","1") = "6"
    & skf21("3","5","4","3","1","7","2","1") = "6"
    & skf21("3","5","4","3","1","7","3","1") = "6"
    & skf21("3","5","4","3","1","7","4","1") = "6"
    & skf21("3","5","4","3","1","7","5","1") = "6"
    & skf21("3","5","4","3","1","7","6","1") = "6"
    & skf21("3","5","4","3","1","7","7","1") = "6"
    & skf21("3","5","4","3","2","1","1","1") = "4"
    & skf21("3","5","4","3","2","1","2","1") = "4"
    & skf21("3","5","4","3","2","1","3","1") = "4"
    & skf21("3","5","4","3","2","1","4","1") = "4"
    & skf21("3","5","4","3","2","1","5","1") = "4"
    & skf21("3","5","4","3","2","1","6","1") = "5"
    & skf21("3","5","4","3","2","1","7","1") = "6"
    & skf21("3","5","4","3","2","2","1","1") = "4"
    & skf21("3","5","4","3","2","2","2","1") = "4"
    & skf21("3","5","4","3","2","2","3","1") = "4"
    & skf21("3","5","4","3","2","2","4","1") = "4"
    & skf21("3","5","4","3","2","2","5","1") = "4"
    & skf21("3","5","4","3","2","2","6","1") = "5"
    & skf21("3","5","4","3","2","2","7","1") = "6"
    & skf21("3","5","4","3","2","3","1","1") = "4"
    & skf21("3","5","4","3","2","3","2","1") = "4"
    & skf21("3","5","4","3","2","3","3","1") = "4"
    & skf21("3","5","4","3","2","3","4","1") = "4"
    & skf21("3","5","4","3","2","3","5","1") = "4"
    & skf21("3","5","4","3","2","3","6","1") = "5"
    & skf21("3","5","4","3","2","3","7","1") = "6"
    & skf21("3","5","4","3","2","4","1","1") = "4"
    & skf21("3","5","4","3","2","4","2","1") = "4"
    & skf21("3","5","4","3","2","4","3","1") = "4"
    & skf21("3","5","4","3","2","4","4","1") = "4"
    & skf21("3","5","4","3","2","4","5","1") = "4"
    & skf21("3","5","4","3","2","4","6","1") = "5"
    & skf21("3","5","4","3","2","4","7","1") = "6"
    & skf21("3","5","4","3","2","5","1","1") = "4"
    & skf21("3","5","4","3","2","5","2","1") = "4"
    & skf21("3","5","4","3","2","5","3","1") = "4"
    & skf21("3","5","4","3","2","5","4","1") = "4"
    & skf21("3","5","4","3","2","5","5","1") = "4"
    & skf21("3","5","4","3","2","5","6","1") = "5"
    & skf21("3","5","4","3","2","5","7","1") = "6"
    & skf21("3","5","4","3","2","6","1","1") = "5"
    & skf21("3","5","4","3","2","6","2","1") = "5"
    & skf21("3","5","4","3","2","6","3","1") = "5"
    & skf21("3","5","4","3","2","6","4","1") = "5"
    & skf21("3","5","4","3","2","6","5","1") = "5"
    & skf21("3","5","4","3","2","6","6","1") = "5"
    & skf21("3","5","4","3","2","6","7","1") = "6"
    & skf21("3","5","4","3","2","7","1","1") = "6"
    & skf21("3","5","4","3","2","7","2","1") = "6"
    & skf21("3","5","4","3","2","7","3","1") = "6"
    & skf21("3","5","4","3","2","7","4","1") = "6"
    & skf21("3","5","4","3","2","7","5","1") = "6"
    & skf21("3","5","4","3","2","7","6","1") = "6"
    & skf21("3","5","4","3","2","7","7","1") = "6"
    & skf21("3","5","4","3","3","1","1","1") = "4"
    & skf21("3","5","4","3","3","1","2","1") = "4"
    & skf21("3","5","4","3","3","1","3","1") = "4"
    & skf21("3","5","4","3","3","1","4","1") = "4"
    & skf21("3","5","4","3","3","1","5","1") = "4"
    & skf21("3","5","4","3","3","1","6","1") = "5"
    & skf21("3","5","4","3","3","1","7","1") = "6"
    & skf21("3","5","4","3","3","2","1","1") = "4"
    & skf21("3","5","4","3","3","2","2","1") = "4"
    & skf21("3","5","4","3","3","2","3","1") = "4"
    & skf21("3","5","4","3","3","2","4","1") = "4"
    & skf21("3","5","4","3","3","2","5","1") = "4"
    & skf21("3","5","4","3","3","2","6","1") = "5"
    & skf21("3","5","4","3","3","2","7","1") = "6"
    & skf21("3","5","4","3","3","3","1","1") = "4"
    & skf21("3","5","4","3","3","3","2","1") = "4"
    & skf21("3","5","4","3","3","3","3","1") = "4"
    & skf21("3","5","4","3","3","3","4","1") = "4"
    & skf21("3","5","4","3","3","3","5","1") = "4"
    & skf21("3","5","4","3","3","3","6","1") = "5"
    & skf21("3","5","4","3","3","3","7","1") = "6"
    & skf21("3","5","4","3","3","4","1","1") = "4"
    & skf21("3","5","4","3","3","4","2","1") = "4"
    & skf21("3","5","4","3","3","4","3","1") = "4"
    & skf21("3","5","4","3","3","4","4","1") = "4"
    & skf21("3","5","4","3","3","4","5","1") = "4"
    & skf21("3","5","4","3","3","4","6","1") = "5"
    & skf21("3","5","4","3","3","4","7","1") = "6"
    & skf21("3","5","4","3","3","5","1","1") = "4"
    & skf21("3","5","4","3","3","5","2","1") = "4"
    & skf21("3","5","4","3","3","5","3","1") = "4"
    & skf21("3","5","4","3","3","5","4","1") = "4"
    & skf21("3","5","4","3","3","5","5","1") = "4"
    & skf21("3","5","4","3","3","5","6","1") = "5"
    & skf21("3","5","4","3","3","5","7","1") = "6"
    & skf21("3","5","4","3","3","6","1","1") = "5"
    & skf21("3","5","4","3","3","6","2","1") = "5"
    & skf21("3","5","4","3","3","6","3","1") = "5"
    & skf21("3","5","4","3","3","6","4","1") = "5"
    & skf21("3","5","4","3","3","6","5","1") = "5"
    & skf21("3","5","4","3","3","6","6","1") = "5"
    & skf21("3","5","4","3","3","6","7","1") = "6"
    & skf21("3","5","4","3","3","7","1","1") = "6"
    & skf21("3","5","4","3","3","7","2","1") = "6"
    & skf21("3","5","4","3","3","7","3","1") = "6"
    & skf21("3","5","4","3","3","7","4","1") = "6"
    & skf21("3","5","4","3","3","7","5","1") = "6"
    & skf21("3","5","4","3","3","7","6","1") = "6"
    & skf21("3","5","4","3","3","7","7","1") = "6"
    & skf21("3","5","4","3","4","1","1","1") = "4"
    & skf21("3","5","4","3","4","1","2","1") = "4"
    & skf21("3","5","4","3","4","1","3","1") = "4"
    & skf21("3","5","4","3","4","1","4","1") = "4"
    & skf21("3","5","4","3","4","1","5","1") = "4"
    & skf21("3","5","4","3","4","1","6","1") = "5"
    & skf21("3","5","4","3","4","1","7","1") = "6"
    & skf21("3","5","4","3","4","2","1","1") = "4"
    & skf21("3","5","4","3","4","2","2","1") = "4"
    & skf21("3","5","4","3","4","2","3","1") = "4"
    & skf21("3","5","4","3","4","2","4","1") = "4"
    & skf21("3","5","4","3","4","2","5","1") = "4"
    & skf21("3","5","4","3","4","2","6","1") = "5"
    & skf21("3","5","4","3","4","2","7","1") = "6"
    & skf21("3","5","4","3","4","3","1","1") = "4"
    & skf21("3","5","4","3","4","3","2","1") = "4"
    & skf21("3","5","4","3","4","3","3","1") = "4"
    & skf21("3","5","4","3","4","3","4","1") = "4"
    & skf21("3","5","4","3","4","3","5","1") = "4"
    & skf21("3","5","4","3","4","3","6","1") = "5"
    & skf21("3","5","4","3","4","3","7","1") = "6"
    & skf21("3","5","4","3","4","4","1","1") = "4"
    & skf21("3","5","4","3","4","4","2","1") = "4"
    & skf21("3","5","4","3","4","4","3","1") = "4"
    & skf21("3","5","4","3","4","4","4","1") = "4"
    & skf21("3","5","4","3","4","4","5","1") = "4"
    & skf21("3","5","4","3","4","4","6","1") = "5"
    & skf21("3","5","4","3","4","4","7","1") = "6"
    & skf21("3","5","4","3","4","5","1","1") = "4"
    & skf21("3","5","4","3","4","5","2","1") = "4"
    & skf21("3","5","4","3","4","5","3","1") = "4"
    & skf21("3","5","4","3","4","5","4","1") = "4"
    & skf21("3","5","4","3","4","5","5","1") = "4"
    & skf21("3","5","4","3","4","5","6","1") = "5"
    & skf21("3","5","4","3","4","5","7","1") = "6"
    & skf21("3","5","4","3","4","6","1","1") = "5"
    & skf21("3","5","4","3","4","6","2","1") = "5"
    & skf21("3","5","4","3","4","6","3","1") = "5"
    & skf21("3","5","4","3","4","6","4","1") = "5"
    & skf21("3","5","4","3","4","6","5","1") = "5"
    & skf21("3","5","4","3","4","6","6","1") = "5"
    & skf21("3","5","4","3","4","6","7","1") = "6"
    & skf21("3","5","4","3","4","7","1","1") = "6"
    & skf21("3","5","4","3","4","7","2","1") = "6"
    & skf21("3","5","4","3","4","7","3","1") = "6"
    & skf21("3","5","4","3","4","7","4","1") = "6"
    & skf21("3","5","4","3","4","7","5","1") = "6"
    & skf21("3","5","4","3","4","7","6","1") = "6"
    & skf21("3","5","4","3","4","7","7","1") = "6"
    & skf21("3","5","4","3","5","1","1","1") = "4"
    & skf21("3","5","4","3","5","1","2","1") = "4"
    & skf21("3","5","4","3","5","1","3","1") = "4"
    & skf21("3","5","4","3","5","1","4","1") = "4"
    & skf21("3","5","4","3","5","1","5","1") = "4"
    & skf21("3","5","4","3","5","1","6","1") = "5"
    & skf21("3","5","4","3","5","1","7","1") = "6"
    & skf21("3","5","4","3","5","2","1","1") = "4"
    & skf21("3","5","4","3","5","2","2","1") = "4"
    & skf21("3","5","4","3","5","2","3","1") = "4"
    & skf21("3","5","4","3","5","2","4","1") = "4"
    & skf21("3","5","4","3","5","2","5","1") = "4"
    & skf21("3","5","4","3","5","2","6","1") = "5"
    & skf21("3","5","4","3","5","2","7","1") = "6"
    & skf21("3","5","4","3","5","3","1","1") = "4"
    & skf21("3","5","4","3","5","3","2","1") = "4"
    & skf21("3","5","4","3","5","3","3","1") = "4"
    & skf21("3","5","4","3","5","3","4","1") = "4"
    & skf21("3","5","4","3","5","3","5","1") = "4"
    & skf21("3","5","4","3","5","3","6","1") = "5"
    & skf21("3","5","4","3","5","3","7","1") = "6"
    & skf21("3","5","4","3","5","4","1","1") = "4"
    & skf21("3","5","4","3","5","4","2","1") = "4"
    & skf21("3","5","4","3","5","4","3","1") = "4"
    & skf21("3","5","4","3","5","4","4","1") = "4"
    & skf21("3","5","4","3","5","4","5","1") = "4"
    & skf21("3","5","4","3","5","4","6","1") = "5"
    & skf21("3","5","4","3","5","4","7","1") = "6"
    & skf21("3","5","4","3","5","5","1","1") = "4"
    & skf21("3","5","4","3","5","5","2","1") = "4"
    & skf21("3","5","4","3","5","5","3","1") = "4"
    & skf21("3","5","4","3","5","5","4","1") = "4"
    & skf21("3","5","4","3","5","5","5","1") = "4"
    & skf21("3","5","4","3","5","5","6","1") = "5"
    & skf21("3","5","4","3","5","5","7","1") = "6"
    & skf21("3","5","4","3","5","6","1","1") = "5"
    & skf21("3","5","4","3","5","6","2","1") = "5"
    & skf21("3","5","4","3","5","6","3","1") = "5"
    & skf21("3","5","4","3","5","6","4","1") = "5"
    & skf21("3","5","4","3","5","6","5","1") = "5"
    & skf21("3","5","4","3","5","6","6","1") = "5"
    & skf21("3","5","4","3","5","6","7","1") = "6"
    & skf21("3","5","4","3","5","7","1","1") = "6"
    & skf21("3","5","4","3","5","7","2","1") = "6"
    & skf21("3","5","4","3","5","7","3","1") = "6"
    & skf21("3","5","4","3","5","7","4","1") = "6"
    & skf21("3","5","4","3","5","7","5","1") = "6"
    & skf21("3","5","4","3","5","7","6","1") = "6"
    & skf21("3","5","4","3","5","7","7","1") = "6"
    & skf21("3","5","4","3","6","1","1","1") = "5"
    & skf21("3","5","4","3","6","1","2","1") = "5"
    & skf21("3","5","4","3","6","1","3","1") = "5"
    & skf21("3","5","4","3","6","1","4","1") = "5"
    & skf21("3","5","4","3","6","1","5","1") = "5"
    & skf21("3","5","4","3","6","1","6","1") = "5"
    & skf21("3","5","4","3","6","1","7","1") = "6"
    & skf21("3","5","4","3","6","2","1","1") = "5"
    & skf21("3","5","4","3","6","2","2","1") = "5"
    & skf21("3","5","4","3","6","2","3","1") = "5"
    & skf21("3","5","4","3","6","2","4","1") = "5"
    & skf21("3","5","4","3","6","2","5","1") = "5"
    & skf21("3","5","4","3","6","2","6","1") = "5"
    & skf21("3","5","4","3","6","2","7","1") = "6"
    & skf21("3","5","4","3","6","3","1","1") = "5"
    & skf21("3","5","4","3","6","3","2","1") = "5"
    & skf21("3","5","4","3","6","3","3","1") = "5"
    & skf21("3","5","4","3","6","3","4","1") = "5"
    & skf21("3","5","4","3","6","3","5","1") = "5"
    & skf21("3","5","4","3","6","3","6","1") = "5"
    & skf21("3","5","4","3","6","3","7","1") = "6"
    & skf21("3","5","4","3","6","4","1","1") = "5"
    & skf21("3","5","4","3","6","4","2","1") = "5"
    & skf21("3","5","4","3","6","4","3","1") = "5"
    & skf21("3","5","4","3","6","4","4","1") = "5"
    & skf21("3","5","4","3","6","4","5","1") = "5"
    & skf21("3","5","4","3","6","4","6","1") = "5"
    & skf21("3","5","4","3","6","4","7","1") = "6"
    & skf21("3","5","4","3","6","5","1","1") = "5"
    & skf21("3","5","4","3","6","5","2","1") = "5"
    & skf21("3","5","4","3","6","5","3","1") = "5"
    & skf21("3","5","4","3","6","5","4","1") = "5"
    & skf21("3","5","4","3","6","5","5","1") = "5"
    & skf21("3","5","4","3","6","5","6","1") = "5"
    & skf21("3","5","4","3","6","5","7","1") = "6"
    & skf21("3","5","4","3","6","6","1","1") = "5"
    & skf21("3","5","4","3","6","6","2","1") = "5"
    & skf21("3","5","4","3","6","6","3","1") = "5"
    & skf21("3","5","4","3","6","6","4","1") = "5"
    & skf21("3","5","4","3","6","6","5","1") = "5"
    & skf21("3","5","4","3","6","6","6","1") = "5"
    & skf21("3","5","4","3","6","6","7","1") = "6"
    & skf21("3","5","4","3","6","7","1","1") = "6"
    & skf21("3","5","4","3","6","7","2","1") = "6"
    & skf21("3","5","4","3","6","7","3","1") = "6"
    & skf21("3","5","4","3","6","7","4","1") = "6"
    & skf21("3","5","4","3","6","7","5","1") = "6"
    & skf21("3","5","4","3","6","7","6","1") = "6"
    & skf21("3","5","4","3","6","7","7","1") = "6"
    & skf21("3","5","4","3","7","1","1","1") = "6"
    & skf21("3","5","4","3","7","1","2","1") = "6"
    & skf21("3","5","4","3","7","1","3","1") = "6"
    & skf21("3","5","4","3","7","1","4","1") = "6"
    & skf21("3","5","4","3","7","1","5","1") = "6"
    & skf21("3","5","4","3","7","1","6","1") = "6"
    & skf21("3","5","4","3","7","1","7","1") = "6"
    & skf21("3","5","4","3","7","2","1","1") = "6"
    & skf21("3","5","4","3","7","2","2","1") = "6"
    & skf21("3","5","4","3","7","2","3","1") = "6"
    & skf21("3","5","4","3","7","2","4","1") = "6"
    & skf21("3","5","4","3","7","2","5","1") = "6"
    & skf21("3","5","4","3","7","2","6","1") = "6"
    & skf21("3","5","4","3","7","2","7","1") = "6"
    & skf21("3","5","4","3","7","3","1","1") = "6"
    & skf21("3","5","4","3","7","3","2","1") = "6"
    & skf21("3","5","4","3","7","3","3","1") = "6"
    & skf21("3","5","4","3","7","3","4","1") = "6"
    & skf21("3","5","4","3","7","3","5","1") = "6"
    & skf21("3","5","4","3","7","3","6","1") = "6"
    & skf21("3","5","4","3","7","3","7","1") = "6"
    & skf21("3","5","4","3","7","4","1","1") = "6"
    & skf21("3","5","4","3","7","4","2","1") = "6"
    & skf21("3","5","4","3","7","4","3","1") = "6"
    & skf21("3","5","4","3","7","4","4","1") = "6"
    & skf21("3","5","4","3","7","4","5","1") = "6"
    & skf21("3","5","4","3","7","4","6","1") = "6"
    & skf21("3","5","4","3","7","4","7","1") = "6"
    & skf21("3","5","4","3","7","5","1","1") = "6"
    & skf21("3","5","4","3","7","5","2","1") = "6"
    & skf21("3","5","4","3","7","5","3","1") = "6"
    & skf21("3","5","4","3","7","5","4","1") = "6"
    & skf21("3","5","4","3","7","5","5","1") = "6"
    & skf21("3","5","4","3","7","5","6","1") = "6"
    & skf21("3","5","4","3","7","5","7","1") = "6"
    & skf21("3","5","4","3","7","6","1","1") = "6"
    & skf21("3","5","4","3","7","6","2","1") = "6"
    & skf21("3","5","4","3","7","6","3","1") = "6"
    & skf21("3","5","4","3","7","6","4","1") = "6"
    & skf21("3","5","4","3","7","6","5","1") = "6"
    & skf21("3","5","4","3","7","6","6","1") = "6"
    & skf21("3","5","4","3","7","6","7","1") = "6"
    & skf21("3","5","4","3","7","7","1","1") = "6"
    & skf21("3","5","4","3","7","7","2","1") = "6"
    & skf21("3","5","4","3","7","7","3","1") = "6"
    & skf21("3","5","4","3","7","7","4","1") = "6"
    & skf21("3","5","4","3","7","7","5","1") = "6"
    & skf21("3","5","4","3","7","7","6","1") = "6"
    & skf21("3","5","4","3","7","7","7","1") = "6"
    & skf21("3","5","4","4","1","1","1","1") = "4"
    & skf21("3","5","4","4","1","1","2","1") = "4"
    & skf21("3","5","4","4","1","1","3","1") = "4"
    & skf21("3","5","4","4","1","1","4","1") = "4"
    & skf21("3","5","4","4","1","1","5","1") = "4"
    & skf21("3","5","4","4","1","1","6","1") = "5"
    & skf21("3","5","4","4","1","1","7","1") = "6"
    & skf21("3","5","4","4","1","2","1","1") = "4"
    & skf21("3","5","4","4","1","2","2","1") = "4"
    & skf21("3","5","4","4","1","2","3","1") = "4"
    & skf21("3","5","4","4","1","2","4","1") = "4"
    & skf21("3","5","4","4","1","2","5","1") = "4"
    & skf21("3","5","4","4","1","2","6","1") = "5"
    & skf21("3","5","4","4","1","2","7","1") = "6"
    & skf21("3","5","4","4","1","3","1","1") = "4"
    & skf21("3","5","4","4","1","3","2","1") = "4"
    & skf21("3","5","4","4","1","3","3","1") = "4"
    & skf21("3","5","4","4","1","3","4","1") = "4"
    & skf21("3","5","4","4","1","3","5","1") = "4"
    & skf21("3","5","4","4","1","3","6","1") = "5"
    & skf21("3","5","4","4","1","3","7","1") = "6"
    & skf21("3","5","4","4","1","4","1","1") = "4"
    & skf21("3","5","4","4","1","4","2","1") = "4"
    & skf21("3","5","4","4","1","4","3","1") = "4"
    & skf21("3","5","4","4","1","4","4","1") = "4"
    & skf21("3","5","4","4","1","4","5","1") = "4"
    & skf21("3","5","4","4","1","4","6","1") = "5"
    & skf21("3","5","4","4","1","4","7","1") = "6"
    & skf21("3","5","4","4","1","5","1","1") = "4"
    & skf21("3","5","4","4","1","5","2","1") = "4"
    & skf21("3","5","4","4","1","5","3","1") = "4"
    & skf21("3","5","4","4","1","5","4","1") = "4"
    & skf21("3","5","4","4","1","5","5","1") = "4"
    & skf21("3","5","4","4","1","5","6","1") = "5"
    & skf21("3","5","4","4","1","5","7","1") = "6"
    & skf21("3","5","4","4","1","6","1","1") = "5"
    & skf21("3","5","4","4","1","6","2","1") = "5"
    & skf21("3","5","4","4","1","6","3","1") = "5"
    & skf21("3","5","4","4","1","6","4","1") = "5"
    & skf21("3","5","4","4","1","6","5","1") = "5"
    & skf21("3","5","4","4","1","6","6","1") = "5"
    & skf21("3","5","4","4","1","6","7","1") = "6"
    & skf21("3","5","4","4","1","7","1","1") = "6"
    & skf21("3","5","4","4","1","7","2","1") = "6"
    & skf21("3","5","4","4","1","7","3","1") = "6"
    & skf21("3","5","4","4","1","7","4","1") = "6"
    & skf21("3","5","4","4","1","7","5","1") = "6"
    & skf21("3","5","4","4","1","7","6","1") = "6"
    & skf21("3","5","4","4","1","7","7","1") = "6"
    & skf21("3","5","4","4","2","1","1","1") = "4"
    & skf21("3","5","4","4","2","1","2","1") = "4"
    & skf21("3","5","4","4","2","1","3","1") = "4"
    & skf21("3","5","4","4","2","1","4","1") = "4"
    & skf21("3","5","4","4","2","1","5","1") = "4"
    & skf21("3","5","4","4","2","1","6","1") = "5"
    & skf21("3","5","4","4","2","1","7","1") = "6"
    & skf21("3","5","4","4","2","2","1","1") = "4"
    & skf21("3","5","4","4","2","2","2","1") = "4"
    & skf21("3","5","4","4","2","2","3","1") = "4"
    & skf21("3","5","4","4","2","2","4","1") = "4"
    & skf21("3","5","4","4","2","2","5","1") = "4"
    & skf21("3","5","4","4","2","2","6","1") = "5"
    & skf21("3","5","4","4","2","2","7","1") = "6"
    & skf21("3","5","4","4","2","3","1","1") = "4"
    & skf21("3","5","4","4","2","3","2","1") = "4"
    & skf21("3","5","4","4","2","3","3","1") = "4"
    & skf21("3","5","4","4","2","3","4","1") = "4"
    & skf21("3","5","4","4","2","3","5","1") = "4"
    & skf21("3","5","4","4","2","3","6","1") = "5"
    & skf21("3","5","4","4","2","3","7","1") = "6"
    & skf21("3","5","4","4","2","4","1","1") = "4"
    & skf21("3","5","4","4","2","4","2","1") = "4"
    & skf21("3","5","4","4","2","4","3","1") = "4"
    & skf21("3","5","4","4","2","4","4","1") = "4"
    & skf21("3","5","4","4","2","4","5","1") = "4"
    & skf21("3","5","4","4","2","4","6","1") = "5"
    & skf21("3","5","4","4","2","4","7","1") = "6"
    & skf21("3","5","4","4","2","5","1","1") = "4"
    & skf21("3","5","4","4","2","5","2","1") = "4"
    & skf21("3","5","4","4","2","5","3","1") = "4"
    & skf21("3","5","4","4","2","5","4","1") = "4"
    & skf21("3","5","4","4","2","5","5","1") = "4"
    & skf21("3","5","4","4","2","5","6","1") = "5"
    & skf21("3","5","4","4","2","5","7","1") = "6"
    & skf21("3","5","4","4","2","6","1","1") = "5"
    & skf21("3","5","4","4","2","6","2","1") = "5"
    & skf21("3","5","4","4","2","6","3","1") = "5"
    & skf21("3","5","4","4","2","6","4","1") = "5"
    & skf21("3","5","4","4","2","6","5","1") = "5"
    & skf21("3","5","4","4","2","6","6","1") = "5"
    & skf21("3","5","4","4","2","6","7","1") = "6"
    & skf21("3","5","4","4","2","7","1","1") = "6"
    & skf21("3","5","4","4","2","7","2","1") = "6"
    & skf21("3","5","4","4","2","7","3","1") = "6"
    & skf21("3","5","4","4","2","7","4","1") = "6"
    & skf21("3","5","4","4","2","7","5","1") = "6"
    & skf21("3","5","4","4","2","7","6","1") = "6"
    & skf21("3","5","4","4","2","7","7","1") = "6"
    & skf21("3","5","4","4","3","1","1","1") = "4"
    & skf21("3","5","4","4","3","1","2","1") = "4"
    & skf21("3","5","4","4","3","1","3","1") = "4"
    & skf21("3","5","4","4","3","1","4","1") = "4"
    & skf21("3","5","4","4","3","1","5","1") = "4"
    & skf21("3","5","4","4","3","1","6","1") = "5"
    & skf21("3","5","4","4","3","1","7","1") = "6"
    & skf21("3","5","4","4","3","2","1","1") = "4"
    & skf21("3","5","4","4","3","2","2","1") = "4"
    & skf21("3","5","4","4","3","2","3","1") = "4"
    & skf21("3","5","4","4","3","2","4","1") = "4"
    & skf21("3","5","4","4","3","2","5","1") = "4"
    & skf21("3","5","4","4","3","2","6","1") = "5"
    & skf21("3","5","4","4","3","2","7","1") = "6"
    & skf21("3","5","4","4","3","3","1","1") = "4"
    & skf21("3","5","4","4","3","3","2","1") = "4"
    & skf21("3","5","4","4","3","3","3","1") = "4"
    & skf21("3","5","4","4","3","3","4","1") = "4"
    & skf21("3","5","4","4","3","3","5","1") = "4"
    & skf21("3","5","4","4","3","3","6","1") = "5"
    & skf21("3","5","4","4","3","3","7","1") = "6"
    & skf21("3","5","4","4","3","4","1","1") = "4"
    & skf21("3","5","4","4","3","4","2","1") = "4"
    & skf21("3","5","4","4","3","4","3","1") = "4"
    & skf21("3","5","4","4","3","4","4","1") = "4"
    & skf21("3","5","4","4","3","4","5","1") = "4"
    & skf21("3","5","4","4","3","4","6","1") = "5"
    & skf21("3","5","4","4","3","4","7","1") = "6"
    & skf21("3","5","4","4","3","5","1","1") = "4"
    & skf21("3","5","4","4","3","5","2","1") = "4"
    & skf21("3","5","4","4","3","5","3","1") = "4"
    & skf21("3","5","4","4","3","5","4","1") = "4"
    & skf21("3","5","4","4","3","5","5","1") = "4"
    & skf21("3","5","4","4","3","5","6","1") = "5"
    & skf21("3","5","4","4","3","5","7","1") = "6"
    & skf21("3","5","4","4","3","6","1","1") = "5"
    & skf21("3","5","4","4","3","6","2","1") = "5"
    & skf21("3","5","4","4","3","6","3","1") = "5"
    & skf21("3","5","4","4","3","6","4","1") = "5"
    & skf21("3","5","4","4","3","6","5","1") = "5"
    & skf21("3","5","4","4","3","6","6","1") = "5"
    & skf21("3","5","4","4","3","6","7","1") = "6"
    & skf21("3","5","4","4","3","7","1","1") = "6"
    & skf21("3","5","4","4","3","7","2","1") = "6"
    & skf21("3","5","4","4","3","7","3","1") = "6"
    & skf21("3","5","4","4","3","7","4","1") = "6"
    & skf21("3","5","4","4","3","7","5","1") = "6"
    & skf21("3","5","4","4","3","7","6","1") = "6"
    & skf21("3","5","4","4","3","7","7","1") = "6"
    & skf21("3","5","4","4","4","1","1","1") = "4"
    & skf21("3","5","4","4","4","1","2","1") = "4"
    & skf21("3","5","4","4","4","1","3","1") = "4"
    & skf21("3","5","4","4","4","1","4","1") = "4"
    & skf21("3","5","4","4","4","1","5","1") = "4"
    & skf21("3","5","4","4","4","1","6","1") = "5"
    & skf21("3","5","4","4","4","1","7","1") = "6"
    & skf21("3","5","4","4","4","2","1","1") = "4"
    & skf21("3","5","4","4","4","2","2","1") = "4"
    & skf21("3","5","4","4","4","2","3","1") = "4"
    & skf21("3","5","4","4","4","2","4","1") = "4"
    & skf21("3","5","4","4","4","2","5","1") = "4"
    & skf21("3","5","4","4","4","2","6","1") = "5"
    & skf21("3","5","4","4","4","2","7","1") = "6"
    & skf21("3","5","4","4","4","3","1","1") = "4"
    & skf21("3","5","4","4","4","3","2","1") = "4"
    & skf21("3","5","4","4","4","3","3","1") = "4"
    & skf21("3","5","4","4","4","3","4","1") = "4"
    & skf21("3","5","4","4","4","3","5","1") = "4"
    & skf21("3","5","4","4","4","3","6","1") = "5"
    & skf21("3","5","4","4","4","3","7","1") = "6"
    & skf21("3","5","4","4","4","4","1","1") = "4"
    & skf21("3","5","4","4","4","4","2","1") = "4"
    & skf21("3","5","4","4","4","4","3","1") = "4"
    & skf21("3","5","4","4","4","4","4","1") = "4"
    & skf21("3","5","4","4","4","4","5","1") = "4"
    & skf21("3","5","4","4","4","4","6","1") = "5"
    & skf21("3","5","4","4","4","4","7","1") = "6"
    & skf21("3","5","4","4","4","5","1","1") = "4"
    & skf21("3","5","4","4","4","5","2","1") = "4"
    & skf21("3","5","4","4","4","5","3","1") = "4"
    & skf21("3","5","4","4","4","5","4","1") = "4"
    & skf21("3","5","4","4","4","5","5","1") = "4"
    & skf21("3","5","4","4","4","5","6","1") = "5"
    & skf21("3","5","4","4","4","5","7","1") = "6"
    & skf21("3","5","4","4","4","6","1","1") = "5"
    & skf21("3","5","4","4","4","6","2","1") = "5"
    & skf21("3","5","4","4","4","6","3","1") = "5"
    & skf21("3","5","4","4","4","6","4","1") = "5"
    & skf21("3","5","4","4","4","6","5","1") = "5"
    & skf21("3","5","4","4","4","6","6","1") = "5"
    & skf21("3","5","4","4","4","6","7","1") = "6"
    & skf21("3","5","4","4","4","7","1","1") = "6"
    & skf21("3","5","4","4","4","7","2","1") = "6"
    & skf21("3","5","4","4","4","7","3","1") = "6"
    & skf21("3","5","4","4","4","7","4","1") = "6"
    & skf21("3","5","4","4","4","7","5","1") = "6"
    & skf21("3","5","4","4","4","7","6","1") = "6"
    & skf21("3","5","4","4","4","7","7","1") = "6"
    & skf21("3","5","4","4","5","1","1","1") = "4"
    & skf21("3","5","4","4","5","1","2","1") = "4"
    & skf21("3","5","4","4","5","1","3","1") = "4"
    & skf21("3","5","4","4","5","1","4","1") = "4"
    & skf21("3","5","4","4","5","1","5","1") = "4"
    & skf21("3","5","4","4","5","1","6","1") = "5"
    & skf21("3","5","4","4","5","1","7","1") = "6"
    & skf21("3","5","4","4","5","2","1","1") = "4"
    & skf21("3","5","4","4","5","2","2","1") = "4"
    & skf21("3","5","4","4","5","2","3","1") = "4"
    & skf21("3","5","4","4","5","2","4","1") = "4"
    & skf21("3","5","4","4","5","2","5","1") = "4"
    & skf21("3","5","4","4","5","2","6","1") = "5"
    & skf21("3","5","4","4","5","2","7","1") = "6"
    & skf21("3","5","4","4","5","3","1","1") = "4"
    & skf21("3","5","4","4","5","3","2","1") = "4"
    & skf21("3","5","4","4","5","3","3","1") = "4"
    & skf21("3","5","4","4","5","3","4","1") = "4"
    & skf21("3","5","4","4","5","3","5","1") = "4"
    & skf21("3","5","4","4","5","3","6","1") = "5"
    & skf21("3","5","4","4","5","3","7","1") = "6"
    & skf21("3","5","4","4","5","4","1","1") = "4"
    & skf21("3","5","4","4","5","4","2","1") = "4"
    & skf21("3","5","4","4","5","4","3","1") = "4"
    & skf21("3","5","4","4","5","4","4","1") = "4"
    & skf21("3","5","4","4","5","4","5","1") = "4"
    & skf21("3","5","4","4","5","4","6","1") = "5"
    & skf21("3","5","4","4","5","4","7","1") = "6"
    & skf21("3","5","4","4","5","5","1","1") = "4"
    & skf21("3","5","4","4","5","5","2","1") = "4"
    & skf21("3","5","4","4","5","5","3","1") = "4"
    & skf21("3","5","4","4","5","5","4","1") = "4"
    & skf21("3","5","4","4","5","5","5","1") = "4"
    & skf21("3","5","4","4","5","5","6","1") = "5"
    & skf21("3","5","4","4","5","5","7","1") = "6"
    & skf21("3","5","4","4","5","6","1","1") = "5"
    & skf21("3","5","4","4","5","6","2","1") = "5"
    & skf21("3","5","4","4","5","6","3","1") = "5"
    & skf21("3","5","4","4","5","6","4","1") = "5"
    & skf21("3","5","4","4","5","6","5","1") = "5"
    & skf21("3","5","4","4","5","6","6","1") = "5"
    & skf21("3","5","4","4","5","6","7","1") = "6"
    & skf21("3","5","4","4","5","7","1","1") = "6"
    & skf21("3","5","4","4","5","7","2","1") = "6"
    & skf21("3","5","4","4","5","7","3","1") = "6"
    & skf21("3","5","4","4","5","7","4","1") = "6"
    & skf21("3","5","4","4","5","7","5","1") = "6"
    & skf21("3","5","4","4","5","7","6","1") = "6"
    & skf21("3","5","4","4","5","7","7","1") = "6"
    & skf21("3","5","4","4","6","1","1","1") = "5"
    & skf21("3","5","4","4","6","1","2","1") = "5"
    & skf21("3","5","4","4","6","1","3","1") = "5"
    & skf21("3","5","4","4","6","1","4","1") = "5"
    & skf21("3","5","4","4","6","1","5","1") = "5"
    & skf21("3","5","4","4","6","1","6","1") = "5"
    & skf21("3","5","4","4","6","1","7","1") = "6"
    & skf21("3","5","4","4","6","2","1","1") = "5"
    & skf21("3","5","4","4","6","2","2","1") = "5"
    & skf21("3","5","4","4","6","2","3","1") = "5"
    & skf21("3","5","4","4","6","2","4","1") = "5"
    & skf21("3","5","4","4","6","2","5","1") = "5"
    & skf21("3","5","4","4","6","2","6","1") = "5"
    & skf21("3","5","4","4","6","2","7","1") = "6"
    & skf21("3","5","4","4","6","3","1","1") = "5"
    & skf21("3","5","4","4","6","3","2","1") = "5"
    & skf21("3","5","4","4","6","3","3","1") = "5"
    & skf21("3","5","4","4","6","3","4","1") = "5"
    & skf21("3","5","4","4","6","3","5","1") = "5"
    & skf21("3","5","4","4","6","3","6","1") = "5"
    & skf21("3","5","4","4","6","3","7","1") = "6"
    & skf21("3","5","4","4","6","4","1","1") = "5"
    & skf21("3","5","4","4","6","4","2","1") = "5"
    & skf21("3","5","4","4","6","4","3","1") = "5"
    & skf21("3","5","4","4","6","4","4","1") = "5"
    & skf21("3","5","4","4","6","4","5","1") = "5"
    & skf21("3","5","4","4","6","4","6","1") = "5"
    & skf21("3","5","4","4","6","4","7","1") = "6"
    & skf21("3","5","4","4","6","5","1","1") = "5"
    & skf21("3","5","4","4","6","5","2","1") = "5"
    & skf21("3","5","4","4","6","5","3","1") = "5"
    & skf21("3","5","4","4","6","5","4","1") = "5"
    & skf21("3","5","4","4","6","5","5","1") = "5"
    & skf21("3","5","4","4","6","5","6","1") = "5"
    & skf21("3","5","4","4","6","5","7","1") = "6"
    & skf21("3","5","4","4","6","6","1","1") = "5"
    & skf21("3","5","4","4","6","6","2","1") = "5"
    & skf21("3","5","4","4","6","6","3","1") = "5"
    & skf21("3","5","4","4","6","6","4","1") = "5"
    & skf21("3","5","4","4","6","6","5","1") = "5"
    & skf21("3","5","4","4","6","6","6","1") = "5"
    & skf21("3","5","4","4","6","6","7","1") = "6"
    & skf21("3","5","4","4","6","7","1","1") = "6"
    & skf21("3","5","4","4","6","7","2","1") = "6"
    & skf21("3","5","4","4","6","7","3","1") = "6"
    & skf21("3","5","4","4","6","7","4","1") = "6"
    & skf21("3","5","4","4","6","7","5","1") = "6"
    & skf21("3","5","4","4","6","7","6","1") = "6"
    & skf21("3","5","4","4","6","7","7","1") = "6"
    & skf21("3","5","4","4","7","1","1","1") = "6"
    & skf21("3","5","4","4","7","1","2","1") = "6"
    & skf21("3","5","4","4","7","1","3","1") = "6"
    & skf21("3","5","4","4","7","1","4","1") = "6"
    & skf21("3","5","4","4","7","1","5","1") = "6"
    & skf21("3","5","4","4","7","1","6","1") = "6"
    & skf21("3","5","4","4","7","1","7","1") = "6"
    & skf21("3","5","4","4","7","2","1","1") = "6"
    & skf21("3","5","4","4","7","2","2","1") = "6"
    & skf21("3","5","4","4","7","2","3","1") = "6"
    & skf21("3","5","4","4","7","2","4","1") = "6"
    & skf21("3","5","4","4","7","2","5","1") = "6"
    & skf21("3","5","4","4","7","2","6","1") = "6"
    & skf21("3","5","4","4","7","2","7","1") = "6"
    & skf21("3","5","4","4","7","3","1","1") = "6"
    & skf21("3","5","4","4","7","3","2","1") = "6"
    & skf21("3","5","4","4","7","3","3","1") = "6"
    & skf21("3","5","4","4","7","3","4","1") = "6"
    & skf21("3","5","4","4","7","3","5","1") = "6"
    & skf21("3","5","4","4","7","3","6","1") = "6"
    & skf21("3","5","4","4","7","3","7","1") = "6"
    & skf21("3","5","4","4","7","4","1","1") = "6"
    & skf21("3","5","4","4","7","4","2","1") = "6"
    & skf21("3","5","4","4","7","4","3","1") = "6"
    & skf21("3","5","4","4","7","4","4","1") = "6"
    & skf21("3","5","4","4","7","4","5","1") = "6"
    & skf21("3","5","4","4","7","4","6","1") = "6"
    & skf21("3","5","4","4","7","4","7","1") = "6"
    & skf21("3","5","4","4","7","5","1","1") = "6"
    & skf21("3","5","4","4","7","5","2","1") = "6"
    & skf21("3","5","4","4","7","5","3","1") = "6"
    & skf21("3","5","4","4","7","5","4","1") = "6"
    & skf21("3","5","4","4","7","5","5","1") = "6"
    & skf21("3","5","4","4","7","5","6","1") = "6"
    & skf21("3","5","4","4","7","5","7","1") = "6"
    & skf21("3","5","4","4","7","6","1","1") = "6"
    & skf21("3","5","4","4","7","6","2","1") = "6"
    & skf21("3","5","4","4","7","6","3","1") = "6"
    & skf21("3","5","4","4","7","6","4","1") = "6"
    & skf21("3","5","4","4","7","6","5","1") = "6"
    & skf21("3","5","4","4","7","6","6","1") = "6"
    & skf21("3","5","4","4","7","6","7","1") = "6"
    & skf21("3","5","4","4","7","7","1","1") = "6"
    & skf21("3","5","4","4","7","7","2","1") = "6"
    & skf21("3","5","4","4","7","7","3","1") = "6"
    & skf21("3","5","4","4","7","7","4","1") = "6"
    & skf21("3","5","4","4","7","7","5","1") = "6"
    & skf21("3","5","4","4","7","7","6","1") = "6"
    & skf21("3","5","4","4","7","7","7","1") = "6"
    & skf21("3","5","4","5","1","1","1","1") = "4"
    & skf21("3","5","4","5","1","1","2","1") = "4"
    & skf21("3","5","4","5","1","1","3","1") = "4"
    & skf21("3","5","4","5","1","1","4","1") = "4"
    & skf21("3","5","4","5","1","1","5","1") = "4"
    & skf21("3","5","4","5","1","1","6","1") = "5"
    & skf21("3","5","4","5","1","1","7","1") = "6"
    & skf21("3","5","4","5","1","2","1","1") = "4"
    & skf21("3","5","4","5","1","2","2","1") = "4"
    & skf21("3","5","4","5","1","2","3","1") = "4"
    & skf21("3","5","4","5","1","2","4","1") = "4"
    & skf21("3","5","4","5","1","2","5","1") = "4"
    & skf21("3","5","4","5","1","2","6","1") = "5"
    & skf21("3","5","4","5","1","2","7","1") = "6"
    & skf21("3","5","4","5","1","3","1","1") = "4"
    & skf21("3","5","4","5","1","3","2","1") = "4"
    & skf21("3","5","4","5","1","3","3","1") = "4"
    & skf21("3","5","4","5","1","3","4","1") = "4"
    & skf21("3","5","4","5","1","3","5","1") = "4"
    & skf21("3","5","4","5","1","3","6","1") = "5"
    & skf21("3","5","4","5","1","3","7","1") = "6"
    & skf21("3","5","4","5","1","4","1","1") = "4"
    & skf21("3","5","4","5","1","4","2","1") = "4"
    & skf21("3","5","4","5","1","4","3","1") = "4"
    & skf21("3","5","4","5","1","4","4","1") = "4"
    & skf21("3","5","4","5","1","4","5","1") = "4"
    & skf21("3","5","4","5","1","4","6","1") = "5"
    & skf21("3","5","4","5","1","4","7","1") = "6"
    & skf21("3","5","4","5","1","5","1","1") = "4"
    & skf21("3","5","4","5","1","5","2","1") = "4"
    & skf21("3","5","4","5","1","5","3","1") = "4"
    & skf21("3","5","4","5","1","5","4","1") = "4"
    & skf21("3","5","4","5","1","5","5","1") = "4"
    & skf21("3","5","4","5","1","5","6","1") = "5"
    & skf21("3","5","4","5","1","5","7","1") = "6"
    & skf21("3","5","4","5","1","6","1","1") = "5"
    & skf21("3","5","4","5","1","6","2","1") = "5"
    & skf21("3","5","4","5","1","6","3","1") = "5"
    & skf21("3","5","4","5","1","6","4","1") = "5"
    & skf21("3","5","4","5","1","6","5","1") = "5"
    & skf21("3","5","4","5","1","6","6","1") = "5"
    & skf21("3","5","4","5","1","6","7","1") = "6"
    & skf21("3","5","4","5","1","7","1","1") = "6"
    & skf21("3","5","4","5","1","7","2","1") = "6"
    & skf21("3","5","4","5","1","7","3","1") = "6"
    & skf21("3","5","4","5","1","7","4","1") = "6"
    & skf21("3","5","4","5","1","7","5","1") = "6"
    & skf21("3","5","4","5","1","7","6","1") = "6"
    & skf21("3","5","4","5","1","7","7","1") = "6"
    & skf21("3","5","4","5","2","1","1","1") = "4"
    & skf21("3","5","4","5","2","1","2","1") = "4"
    & skf21("3","5","4","5","2","1","3","1") = "4"
    & skf21("3","5","4","5","2","1","4","1") = "4"
    & skf21("3","5","4","5","2","1","5","1") = "4"
    & skf21("3","5","4","5","2","1","6","1") = "5"
    & skf21("3","5","4","5","2","1","7","1") = "6"
    & skf21("3","5","4","5","2","2","1","1") = "4"
    & skf21("3","5","4","5","2","2","2","1") = "4"
    & skf21("3","5","4","5","2","2","3","1") = "4"
    & skf21("3","5","4","5","2","2","4","1") = "4"
    & skf21("3","5","4","5","2","2","5","1") = "4"
    & skf21("3","5","4","5","2","2","6","1") = "5"
    & skf21("3","5","4","5","2","2","7","1") = "6"
    & skf21("3","5","4","5","2","3","1","1") = "4"
    & skf21("3","5","4","5","2","3","2","1") = "4"
    & skf21("3","5","4","5","2","3","3","1") = "4"
    & skf21("3","5","4","5","2","3","4","1") = "4"
    & skf21("3","5","4","5","2","3","5","1") = "4"
    & skf21("3","5","4","5","2","3","6","1") = "5"
    & skf21("3","5","4","5","2","3","7","1") = "6"
    & skf21("3","5","4","5","2","4","1","1") = "4"
    & skf21("3","5","4","5","2","4","2","1") = "4"
    & skf21("3","5","4","5","2","4","3","1") = "4"
    & skf21("3","5","4","5","2","4","4","1") = "4"
    & skf21("3","5","4","5","2","4","5","1") = "4"
    & skf21("3","5","4","5","2","4","6","1") = "5"
    & skf21("3","5","4","5","2","4","7","1") = "6"
    & skf21("3","5","4","5","2","5","1","1") = "4"
    & skf21("3","5","4","5","2","5","2","1") = "4"
    & skf21("3","5","4","5","2","5","3","1") = "4"
    & skf21("3","5","4","5","2","5","4","1") = "4"
    & skf21("3","5","4","5","2","5","5","1") = "4"
    & skf21("3","5","4","5","2","5","6","1") = "5"
    & skf21("3","5","4","5","2","5","7","1") = "6"
    & skf21("3","5","4","5","2","6","1","1") = "5"
    & skf21("3","5","4","5","2","6","2","1") = "5"
    & skf21("3","5","4","5","2","6","3","1") = "5"
    & skf21("3","5","4","5","2","6","4","1") = "5"
    & skf21("3","5","4","5","2","6","5","1") = "5"
    & skf21("3","5","4","5","2","6","6","1") = "5"
    & skf21("3","5","4","5","2","6","7","1") = "6"
    & skf21("3","5","4","5","2","7","1","1") = "6"
    & skf21("3","5","4","5","2","7","2","1") = "6"
    & skf21("3","5","4","5","2","7","3","1") = "6"
    & skf21("3","5","4","5","2","7","4","1") = "6"
    & skf21("3","5","4","5","2","7","5","1") = "6"
    & skf21("3","5","4","5","2","7","6","1") = "6"
    & skf21("3","5","4","5","2","7","7","1") = "6"
    & skf21("3","5","4","5","3","1","1","1") = "4"
    & skf21("3","5","4","5","3","1","2","1") = "4"
    & skf21("3","5","4","5","3","1","3","1") = "4"
    & skf21("3","5","4","5","3","1","4","1") = "4"
    & skf21("3","5","4","5","3","1","5","1") = "4"
    & skf21("3","5","4","5","3","1","6","1") = "5"
    & skf21("3","5","4","5","3","1","7","1") = "6"
    & skf21("3","5","4","5","3","2","1","1") = "4"
    & skf21("3","5","4","5","3","2","2","1") = "4"
    & skf21("3","5","4","5","3","2","3","1") = "4"
    & skf21("3","5","4","5","3","2","4","1") = "4"
    & skf21("3","5","4","5","3","2","5","1") = "4"
    & skf21("3","5","4","5","3","2","6","1") = "5"
    & skf21("3","5","4","5","3","2","7","1") = "6"
    & skf21("3","5","4","5","3","3","1","1") = "4"
    & skf21("3","5","4","5","3","3","2","1") = "4"
    & skf21("3","5","4","5","3","3","3","1") = "4"
    & skf21("3","5","4","5","3","3","4","1") = "4"
    & skf21("3","5","4","5","3","3","5","1") = "4"
    & skf21("3","5","4","5","3","3","6","1") = "5"
    & skf21("3","5","4","5","3","3","7","1") = "6"
    & skf21("3","5","4","5","3","4","1","1") = "4"
    & skf21("3","5","4","5","3","4","2","1") = "4"
    & skf21("3","5","4","5","3","4","3","1") = "4"
    & skf21("3","5","4","5","3","4","4","1") = "4"
    & skf21("3","5","4","5","3","4","5","1") = "4"
    & skf21("3","5","4","5","3","4","6","1") = "5"
    & skf21("3","5","4","5","3","4","7","1") = "6"
    & skf21("3","5","4","5","3","5","1","1") = "4"
    & skf21("3","5","4","5","3","5","2","1") = "4"
    & skf21("3","5","4","5","3","5","3","1") = "4"
    & skf21("3","5","4","5","3","5","4","1") = "4"
    & skf21("3","5","4","5","3","5","5","1") = "4"
    & skf21("3","5","4","5","3","5","6","1") = "5"
    & skf21("3","5","4","5","3","5","7","1") = "6"
    & skf21("3","5","4","5","3","6","1","1") = "5"
    & skf21("3","5","4","5","3","6","2","1") = "5"
    & skf21("3","5","4","5","3","6","3","1") = "5"
    & skf21("3","5","4","5","3","6","4","1") = "5"
    & skf21("3","5","4","5","3","6","5","1") = "5"
    & skf21("3","5","4","5","3","6","6","1") = "5"
    & skf21("3","5","4","5","3","6","7","1") = "6"
    & skf21("3","5","4","5","3","7","1","1") = "6"
    & skf21("3","5","4","5","3","7","2","1") = "6"
    & skf21("3","5","4","5","3","7","3","1") = "6"
    & skf21("3","5","4","5","3","7","4","1") = "6"
    & skf21("3","5","4","5","3","7","5","1") = "6"
    & skf21("3","5","4","5","3","7","6","1") = "6"
    & skf21("3","5","4","5","3","7","7","1") = "6"
    & skf21("3","5","4","5","4","1","1","1") = "4"
    & skf21("3","5","4","5","4","1","2","1") = "4"
    & skf21("3","5","4","5","4","1","3","1") = "4"
    & skf21("3","5","4","5","4","1","4","1") = "4"
    & skf21("3","5","4","5","4","1","5","1") = "4"
    & skf21("3","5","4","5","4","1","6","1") = "5"
    & skf21("3","5","4","5","4","1","7","1") = "6"
    & skf21("3","5","4","5","4","2","1","1") = "4"
    & skf21("3","5","4","5","4","2","2","1") = "4"
    & skf21("3","5","4","5","4","2","3","1") = "4"
    & skf21("3","5","4","5","4","2","4","1") = "4"
    & skf21("3","5","4","5","4","2","5","1") = "4"
    & skf21("3","5","4","5","4","2","6","1") = "5"
    & skf21("3","5","4","5","4","2","7","1") = "6"
    & skf21("3","5","4","5","4","3","1","1") = "4"
    & skf21("3","5","4","5","4","3","2","1") = "4"
    & skf21("3","5","4","5","4","3","3","1") = "4"
    & skf21("3","5","4","5","4","3","4","1") = "4"
    & skf21("3","5","4","5","4","3","5","1") = "4"
    & skf21("3","5","4","5","4","3","6","1") = "5"
    & skf21("3","5","4","5","4","3","7","1") = "6"
    & skf21("3","5","4","5","4","4","1","1") = "4"
    & skf21("3","5","4","5","4","4","2","1") = "4"
    & skf21("3","5","4","5","4","4","3","1") = "4"
    & skf21("3","5","4","5","4","4","4","1") = "4"
    & skf21("3","5","4","5","4","4","5","1") = "4"
    & skf21("3","5","4","5","4","4","6","1") = "5"
    & skf21("3","5","4","5","4","4","7","1") = "6"
    & skf21("3","5","4","5","4","5","1","1") = "4"
    & skf21("3","5","4","5","4","5","2","1") = "4"
    & skf21("3","5","4","5","4","5","3","1") = "4"
    & skf21("3","5","4","5","4","5","4","1") = "4"
    & skf21("3","5","4","5","4","5","5","1") = "4"
    & skf21("3","5","4","5","4","5","6","1") = "5"
    & skf21("3","5","4","5","4","5","7","1") = "6"
    & skf21("3","5","4","5","4","6","1","1") = "5"
    & skf21("3","5","4","5","4","6","2","1") = "5"
    & skf21("3","5","4","5","4","6","3","1") = "5"
    & skf21("3","5","4","5","4","6","4","1") = "5"
    & skf21("3","5","4","5","4","6","5","1") = "5"
    & skf21("3","5","4","5","4","6","6","1") = "5"
    & skf21("3","5","4","5","4","6","7","1") = "6"
    & skf21("3","5","4","5","4","7","1","1") = "6"
    & skf21("3","5","4","5","4","7","2","1") = "6"
    & skf21("3","5","4","5","4","7","3","1") = "6"
    & skf21("3","5","4","5","4","7","4","1") = "6"
    & skf21("3","5","4","5","4","7","5","1") = "6"
    & skf21("3","5","4","5","4","7","6","1") = "6"
    & skf21("3","5","4","5","4","7","7","1") = "6"
    & skf21("3","5","4","5","5","1","1","1") = "4"
    & skf21("3","5","4","5","5","1","2","1") = "4"
    & skf21("3","5","4","5","5","1","3","1") = "4"
    & skf21("3","5","4","5","5","1","4","1") = "4"
    & skf21("3","5","4","5","5","1","5","1") = "4"
    & skf21("3","5","4","5","5","1","6","1") = "5"
    & skf21("3","5","4","5","5","1","7","1") = "6"
    & skf21("3","5","4","5","5","2","1","1") = "4"
    & skf21("3","5","4","5","5","2","2","1") = "4"
    & skf21("3","5","4","5","5","2","3","1") = "4"
    & skf21("3","5","4","5","5","2","4","1") = "4"
    & skf21("3","5","4","5","5","2","5","1") = "4"
    & skf21("3","5","4","5","5","2","6","1") = "5"
    & skf21("3","5","4","5","5","2","7","1") = "6"
    & skf21("3","5","4","5","5","3","1","1") = "4"
    & skf21("3","5","4","5","5","3","2","1") = "4"
    & skf21("3","5","4","5","5","3","3","1") = "4"
    & skf21("3","5","4","5","5","3","4","1") = "4"
    & skf21("3","5","4","5","5","3","5","1") = "4"
    & skf21("3","5","4","5","5","3","6","1") = "5"
    & skf21("3","5","4","5","5","3","7","1") = "6"
    & skf21("3","5","4","5","5","4","1","1") = "4"
    & skf21("3","5","4","5","5","4","2","1") = "4"
    & skf21("3","5","4","5","5","4","3","1") = "4"
    & skf21("3","5","4","5","5","4","4","1") = "4"
    & skf21("3","5","4","5","5","4","5","1") = "4"
    & skf21("3","5","4","5","5","4","6","1") = "5"
    & skf21("3","5","4","5","5","4","7","1") = "6"
    & skf21("3","5","4","5","5","5","1","1") = "4"
    & skf21("3","5","4","5","5","5","2","1") = "4"
    & skf21("3","5","4","5","5","5","3","1") = "4"
    & skf21("3","5","4","5","5","5","4","1") = "4"
    & skf21("3","5","4","5","5","5","5","1") = "4"
    & skf21("3","5","4","5","5","5","6","1") = "5"
    & skf21("3","5","4","5","5","5","7","1") = "6"
    & skf21("3","5","4","5","5","6","1","1") = "5"
    & skf21("3","5","4","5","5","6","2","1") = "5"
    & skf21("3","5","4","5","5","6","3","1") = "5"
    & skf21("3","5","4","5","5","6","4","1") = "5"
    & skf21("3","5","4","5","5","6","5","1") = "5"
    & skf21("3","5","4","5","5","6","6","1") = "5"
    & skf21("3","5","4","5","5","6","7","1") = "6"
    & skf21("3","5","4","5","5","7","1","1") = "6"
    & skf21("3","5","4","5","5","7","2","1") = "6"
    & skf21("3","5","4","5","5","7","3","1") = "6"
    & skf21("3","5","4","5","5","7","4","1") = "6"
    & skf21("3","5","4","5","5","7","5","1") = "6"
    & skf21("3","5","4","5","5","7","6","1") = "6"
    & skf21("3","5","4","5","5","7","7","1") = "6"
    & skf21("3","5","4","5","6","1","1","1") = "5"
    & skf21("3","5","4","5","6","1","2","1") = "5"
    & skf21("3","5","4","5","6","1","3","1") = "5"
    & skf21("3","5","4","5","6","1","4","1") = "5"
    & skf21("3","5","4","5","6","1","5","1") = "5"
    & skf21("3","5","4","5","6","1","6","1") = "5"
    & skf21("3","5","4","5","6","1","7","1") = "6"
    & skf21("3","5","4","5","6","2","1","1") = "5"
    & skf21("3","5","4","5","6","2","2","1") = "5"
    & skf21("3","5","4","5","6","2","3","1") = "5"
    & skf21("3","5","4","5","6","2","4","1") = "5"
    & skf21("3","5","4","5","6","2","5","1") = "5"
    & skf21("3","5","4","5","6","2","6","1") = "5"
    & skf21("3","5","4","5","6","2","7","1") = "6"
    & skf21("3","5","4","5","6","3","1","1") = "5"
    & skf21("3","5","4","5","6","3","2","1") = "5"
    & skf21("3","5","4","5","6","3","3","1") = "5"
    & skf21("3","5","4","5","6","3","4","1") = "5"
    & skf21("3","5","4","5","6","3","5","1") = "5"
    & skf21("3","5","4","5","6","3","6","1") = "5"
    & skf21("3","5","4","5","6","3","7","1") = "6"
    & skf21("3","5","4","5","6","4","1","1") = "5"
    & skf21("3","5","4","5","6","4","2","1") = "5"
    & skf21("3","5","4","5","6","4","3","1") = "5"
    & skf21("3","5","4","5","6","4","4","1") = "5"
    & skf21("3","5","4","5","6","4","5","1") = "5"
    & skf21("3","5","4","5","6","4","6","1") = "5"
    & skf21("3","5","4","5","6","4","7","1") = "6"
    & skf21("3","5","4","5","6","5","1","1") = "5"
    & skf21("3","5","4","5","6","5","2","1") = "5"
    & skf21("3","5","4","5","6","5","3","1") = "5"
    & skf21("3","5","4","5","6","5","4","1") = "5"
    & skf21("3","5","4","5","6","5","5","1") = "5"
    & skf21("3","5","4","5","6","5","6","1") = "5"
    & skf21("3","5","4","5","6","5","7","1") = "6"
    & skf21("3","5","4","5","6","6","1","1") = "5"
    & skf21("3","5","4","5","6","6","2","1") = "5"
    & skf21("3","5","4","5","6","6","3","1") = "5"
    & skf21("3","5","4","5","6","6","4","1") = "5"
    & skf21("3","5","4","5","6","6","5","1") = "5"
    & skf21("3","5","4","5","6","6","6","1") = "5"
    & skf21("3","5","4","5","6","6","7","1") = "6"
    & skf21("3","5","4","5","6","7","1","1") = "6"
    & skf21("3","5","4","5","6","7","2","1") = "6"
    & skf21("3","5","4","5","6","7","3","1") = "6"
    & skf21("3","5","4","5","6","7","4","1") = "6"
    & skf21("3","5","4","5","6","7","5","1") = "6"
    & skf21("3","5","4","5","6","7","6","1") = "6"
    & skf21("3","5","4","5","6","7","7","1") = "6"
    & skf21("3","5","4","5","7","1","1","1") = "6"
    & skf21("3","5","4","5","7","1","2","1") = "6"
    & skf21("3","5","4","5","7","1","3","1") = "6"
    & skf21("3","5","4","5","7","1","4","1") = "6"
    & skf21("3","5","4","5","7","1","5","1") = "6"
    & skf21("3","5","4","5","7","1","6","1") = "6"
    & skf21("3","5","4","5","7","1","7","1") = "6"
    & skf21("3","5","4","5","7","2","1","1") = "6"
    & skf21("3","5","4","5","7","2","2","1") = "6"
    & skf21("3","5","4","5","7","2","3","1") = "6"
    & skf21("3","5","4","5","7","2","4","1") = "6"
    & skf21("3","5","4","5","7","2","5","1") = "6"
    & skf21("3","5","4","5","7","2","6","1") = "6"
    & skf21("3","5","4","5","7","2","7","1") = "6"
    & skf21("3","5","4","5","7","3","1","1") = "6"
    & skf21("3","5","4","5","7","3","2","1") = "6"
    & skf21("3","5","4","5","7","3","3","1") = "6"
    & skf21("3","5","4","5","7","3","4","1") = "6"
    & skf21("3","5","4","5","7","3","5","1") = "6"
    & skf21("3","5","4","5","7","3","6","1") = "6"
    & skf21("3","5","4","5","7","3","7","1") = "6"
    & skf21("3","5","4","5","7","4","1","1") = "6"
    & skf21("3","5","4","5","7","4","2","1") = "6"
    & skf21("3","5","4","5","7","4","3","1") = "6"
    & skf21("3","5","4","5","7","4","4","1") = "6"
    & skf21("3","5","4","5","7","4","5","1") = "6"
    & skf21("3","5","4","5","7","4","6","1") = "6"
    & skf21("3","5","4","5","7","4","7","1") = "6"
    & skf21("3","5","4","5","7","5","1","1") = "6"
    & skf21("3","5","4","5","7","5","2","1") = "6"
    & skf21("3","5","4","5","7","5","3","1") = "6"
    & skf21("3","5","4","5","7","5","4","1") = "6"
    & skf21("3","5","4","5","7","5","5","1") = "6"
    & skf21("3","5","4","5","7","5","6","1") = "6"
    & skf21("3","5","4","5","7","5","7","1") = "6"
    & skf21("3","5","4","5","7","6","1","1") = "6"
    & skf21("3","5","4","5","7","6","2","1") = "6"
    & skf21("3","5","4","5","7","6","3","1") = "6"
    & skf21("3","5","4","5","7","6","4","1") = "6"
    & skf21("3","5","4","5","7","6","5","1") = "6"
    & skf21("3","5","4","5","7","6","6","1") = "6"
    & skf21("3","5","4","5","7","6","7","1") = "6"
    & skf21("3","5","4","5","7","7","1","1") = "6"
    & skf21("3","5","4","5","7","7","2","1") = "6"
    & skf21("3","5","4","5","7","7","3","1") = "6"
    & skf21("3","5","4","5","7","7","4","1") = "6"
    & skf21("3","5","4","5","7","7","5","1") = "6"
    & skf21("3","5","4","5","7","7","6","1") = "6"
    & skf21("3","5","4","5","7","7","7","1") = "6"
    & skf21("3","5","4","6","1","1","1","1") = "5"
    & skf21("3","5","4","6","1","1","2","1") = "5"
    & skf21("3","5","4","6","1","1","3","1") = "5"
    & skf21("3","5","4","6","1","1","4","1") = "5"
    & skf21("3","5","4","6","1","1","5","1") = "5"
    & skf21("3","5","4","6","1","1","6","1") = "5"
    & skf21("3","5","4","6","1","1","7","1") = "6"
    & skf21("3","5","4","6","1","2","1","1") = "5"
    & skf21("3","5","4","6","1","2","2","1") = "5"
    & skf21("3","5","4","6","1","2","3","1") = "5"
    & skf21("3","5","4","6","1","2","4","1") = "5"
    & skf21("3","5","4","6","1","2","5","1") = "5"
    & skf21("3","5","4","6","1","2","6","1") = "5"
    & skf21("3","5","4","6","1","2","7","1") = "6"
    & skf21("3","5","4","6","1","3","1","1") = "5"
    & skf21("3","5","4","6","1","3","2","1") = "5"
    & skf21("3","5","4","6","1","3","3","1") = "5"
    & skf21("3","5","4","6","1","3","4","1") = "5"
    & skf21("3","5","4","6","1","3","5","1") = "5"
    & skf21("3","5","4","6","1","3","6","1") = "5"
    & skf21("3","5","4","6","1","3","7","1") = "6"
    & skf21("3","5","4","6","1","4","1","1") = "5"
    & skf21("3","5","4","6","1","4","2","1") = "5"
    & skf21("3","5","4","6","1","4","3","1") = "5"
    & skf21("3","5","4","6","1","4","4","1") = "5"
    & skf21("3","5","4","6","1","4","5","1") = "5"
    & skf21("3","5","4","6","1","4","6","1") = "5"
    & skf21("3","5","4","6","1","4","7","1") = "6"
    & skf21("3","5","4","6","1","5","1","1") = "5"
    & skf21("3","5","4","6","1","5","2","1") = "5"
    & skf21("3","5","4","6","1","5","3","1") = "5"
    & skf21("3","5","4","6","1","5","4","1") = "5"
    & skf21("3","5","4","6","1","5","5","1") = "5"
    & skf21("3","5","4","6","1","5","6","1") = "5"
    & skf21("3","5","4","6","1","5","7","1") = "6"
    & skf21("3","5","4","6","1","6","1","1") = "5"
    & skf21("3","5","4","6","1","6","2","1") = "5"
    & skf21("3","5","4","6","1","6","3","1") = "5"
    & skf21("3","5","4","6","1","6","4","1") = "5"
    & skf21("3","5","4","6","1","6","5","1") = "5"
    & skf21("3","5","4","6","1","6","6","1") = "5"
    & skf21("3","5","4","6","1","6","7","1") = "6"
    & skf21("3","5","4","6","1","7","1","1") = "6"
    & skf21("3","5","4","6","1","7","2","1") = "6"
    & skf21("3","5","4","6","1","7","3","1") = "6"
    & skf21("3","5","4","6","1","7","4","1") = "6"
    & skf21("3","5","4","6","1","7","5","1") = "6"
    & skf21("3","5","4","6","1","7","6","1") = "6"
    & skf21("3","5","4","6","1","7","7","1") = "6"
    & skf21("3","5","4","6","2","1","1","1") = "5"
    & skf21("3","5","4","6","2","1","2","1") = "5"
    & skf21("3","5","4","6","2","1","3","1") = "5"
    & skf21("3","5","4","6","2","1","4","1") = "5"
    & skf21("3","5","4","6","2","1","5","1") = "5"
    & skf21("3","5","4","6","2","1","6","1") = "5"
    & skf21("3","5","4","6","2","1","7","1") = "6"
    & skf21("3","5","4","6","2","2","1","1") = "5"
    & skf21("3","5","4","6","2","2","2","1") = "5"
    & skf21("3","5","4","6","2","2","3","1") = "5"
    & skf21("3","5","4","6","2","2","4","1") = "5"
    & skf21("3","5","4","6","2","2","5","1") = "5"
    & skf21("3","5","4","6","2","2","6","1") = "5"
    & skf21("3","5","4","6","2","2","7","1") = "6"
    & skf21("3","5","4","6","2","3","1","1") = "5"
    & skf21("3","5","4","6","2","3","2","1") = "5"
    & skf21("3","5","4","6","2","3","3","1") = "5"
    & skf21("3","5","4","6","2","3","4","1") = "5"
    & skf21("3","5","4","6","2","3","5","1") = "5"
    & skf21("3","5","4","6","2","3","6","1") = "5"
    & skf21("3","5","4","6","2","3","7","1") = "6"
    & skf21("3","5","4","6","2","4","1","1") = "5"
    & skf21("3","5","4","6","2","4","2","1") = "5"
    & skf21("3","5","4","6","2","4","3","1") = "5"
    & skf21("3","5","4","6","2","4","4","1") = "5"
    & skf21("3","5","4","6","2","4","5","1") = "5"
    & skf21("3","5","4","6","2","4","6","1") = "5"
    & skf21("3","5","4","6","2","4","7","1") = "6"
    & skf21("3","5","4","6","2","5","1","1") = "5"
    & skf21("3","5","4","6","2","5","2","1") = "5"
    & skf21("3","5","4","6","2","5","3","1") = "5"
    & skf21("3","5","4","6","2","5","4","1") = "5"
    & skf21("3","5","4","6","2","5","5","1") = "5"
    & skf21("3","5","4","6","2","5","6","1") = "5"
    & skf21("3","5","4","6","2","5","7","1") = "6"
    & skf21("3","5","4","6","2","6","1","1") = "5"
    & skf21("3","5","4","6","2","6","2","1") = "5"
    & skf21("3","5","4","6","2","6","3","1") = "5"
    & skf21("3","5","4","6","2","6","4","1") = "5"
    & skf21("3","5","4","6","2","6","5","1") = "5"
    & skf21("3","5","4","6","2","6","6","1") = "5"
    & skf21("3","5","4","6","2","6","7","1") = "6"
    & skf21("3","5","4","6","2","7","1","1") = "6"
    & skf21("3","5","4","6","2","7","2","1") = "6"
    & skf21("3","5","4","6","2","7","3","1") = "6"
    & skf21("3","5","4","6","2","7","4","1") = "6"
    & skf21("3","5","4","6","2","7","5","1") = "6"
    & skf21("3","5","4","6","2","7","6","1") = "6"
    & skf21("3","5","4","6","2","7","7","1") = "6"
    & skf21("3","5","4","6","3","1","1","1") = "5"
    & skf21("3","5","4","6","3","1","2","1") = "5"
    & skf21("3","5","4","6","3","1","3","1") = "5"
    & skf21("3","5","4","6","3","1","4","1") = "5"
    & skf21("3","5","4","6","3","1","5","1") = "5"
    & skf21("3","5","4","6","3","1","6","1") = "5"
    & skf21("3","5","4","6","3","1","7","1") = "6"
    & skf21("3","5","4","6","3","2","1","1") = "5"
    & skf21("3","5","4","6","3","2","2","1") = "5"
    & skf21("3","5","4","6","3","2","3","1") = "5"
    & skf21("3","5","4","6","3","2","4","1") = "5"
    & skf21("3","5","4","6","3","2","5","1") = "5"
    & skf21("3","5","4","6","3","2","6","1") = "5"
    & skf21("3","5","4","6","3","2","7","1") = "6"
    & skf21("3","5","4","6","3","3","1","1") = "5"
    & skf21("3","5","4","6","3","3","2","1") = "5"
    & skf21("3","5","4","6","3","3","3","1") = "5"
    & skf21("3","5","4","6","3","3","4","1") = "5"
    & skf21("3","5","4","6","3","3","5","1") = "5"
    & skf21("3","5","4","6","3","3","6","1") = "5"
    & skf21("3","5","4","6","3","3","7","1") = "6"
    & skf21("3","5","4","6","3","4","1","1") = "5"
    & skf21("3","5","4","6","3","4","2","1") = "5"
    & skf21("3","5","4","6","3","4","3","1") = "5"
    & skf21("3","5","4","6","3","4","4","1") = "5"
    & skf21("3","5","4","6","3","4","5","1") = "5"
    & skf21("3","5","4","6","3","4","6","1") = "5"
    & skf21("3","5","4","6","3","4","7","1") = "6"
    & skf21("3","5","4","6","3","5","1","1") = "5"
    & skf21("3","5","4","6","3","5","2","1") = "5"
    & skf21("3","5","4","6","3","5","3","1") = "5"
    & skf21("3","5","4","6","3","5","4","1") = "5"
    & skf21("3","5","4","6","3","5","5","1") = "5"
    & skf21("3","5","4","6","3","5","6","1") = "5"
    & skf21("3","5","4","6","3","5","7","1") = "6"
    & skf21("3","5","4","6","3","6","1","1") = "5"
    & skf21("3","5","4","6","3","6","2","1") = "5"
    & skf21("3","5","4","6","3","6","3","1") = "5"
    & skf21("3","5","4","6","3","6","4","1") = "5"
    & skf21("3","5","4","6","3","6","5","1") = "5"
    & skf21("3","5","4","6","3","6","6","1") = "5"
    & skf21("3","5","4","6","3","6","7","1") = "6"
    & skf21("3","5","4","6","3","7","1","1") = "6"
    & skf21("3","5","4","6","3","7","2","1") = "6"
    & skf21("3","5","4","6","3","7","3","1") = "6"
    & skf21("3","5","4","6","3","7","4","1") = "6"
    & skf21("3","5","4","6","3","7","5","1") = "6"
    & skf21("3","5","4","6","3","7","6","1") = "6"
    & skf21("3","5","4","6","3","7","7","1") = "6"
    & skf21("3","5","4","6","4","1","1","1") = "5"
    & skf21("3","5","4","6","4","1","2","1") = "5"
    & skf21("3","5","4","6","4","1","3","1") = "5"
    & skf21("3","5","4","6","4","1","4","1") = "5"
    & skf21("3","5","4","6","4","1","5","1") = "5"
    & skf21("3","5","4","6","4","1","6","1") = "5"
    & skf21("3","5","4","6","4","1","7","1") = "6"
    & skf21("3","5","4","6","4","2","1","1") = "5"
    & skf21("3","5","4","6","4","2","2","1") = "5"
    & skf21("3","5","4","6","4","2","3","1") = "5"
    & skf21("3","5","4","6","4","2","4","1") = "5"
    & skf21("3","5","4","6","4","2","5","1") = "5"
    & skf21("3","5","4","6","4","2","6","1") = "5"
    & skf21("3","5","4","6","4","2","7","1") = "6"
    & skf21("3","5","4","6","4","3","1","1") = "5"
    & skf21("3","5","4","6","4","3","2","1") = "5"
    & skf21("3","5","4","6","4","3","3","1") = "5"
    & skf21("3","5","4","6","4","3","4","1") = "5"
    & skf21("3","5","4","6","4","3","5","1") = "5"
    & skf21("3","5","4","6","4","3","6","1") = "5"
    & skf21("3","5","4","6","4","3","7","1") = "6"
    & skf21("3","5","4","6","4","4","1","1") = "5"
    & skf21("3","5","4","6","4","4","2","1") = "5"
    & skf21("3","5","4","6","4","4","3","1") = "5"
    & skf21("3","5","4","6","4","4","4","1") = "5"
    & skf21("3","5","4","6","4","4","5","1") = "5"
    & skf21("3","5","4","6","4","4","6","1") = "5"
    & skf21("3","5","4","6","4","4","7","1") = "6"
    & skf21("3","5","4","6","4","5","1","1") = "5"
    & skf21("3","5","4","6","4","5","2","1") = "5"
    & skf21("3","5","4","6","4","5","3","1") = "5"
    & skf21("3","5","4","6","4","5","4","1") = "5"
    & skf21("3","5","4","6","4","5","5","1") = "5"
    & skf21("3","5","4","6","4","5","6","1") = "5"
    & skf21("3","5","4","6","4","5","7","1") = "6"
    & skf21("3","5","4","6","4","6","1","1") = "5"
    & skf21("3","5","4","6","4","6","2","1") = "5"
    & skf21("3","5","4","6","4","6","3","1") = "5"
    & skf21("3","5","4","6","4","6","4","1") = "5"
    & skf21("3","5","4","6","4","6","5","1") = "5"
    & skf21("3","5","4","6","4","6","6","1") = "5"
    & skf21("3","5","4","6","4","6","7","1") = "6"
    & skf21("3","5","4","6","4","7","1","1") = "6"
    & skf21("3","5","4","6","4","7","2","1") = "6"
    & skf21("3","5","4","6","4","7","3","1") = "6"
    & skf21("3","5","4","6","4","7","4","1") = "6"
    & skf21("3","5","4","6","4","7","5","1") = "6"
    & skf21("3","5","4","6","4","7","6","1") = "6"
    & skf21("3","5","4","6","4","7","7","1") = "6"
    & skf21("3","5","4","6","5","1","1","1") = "5"
    & skf21("3","5","4","6","5","1","2","1") = "5"
    & skf21("3","5","4","6","5","1","3","1") = "5"
    & skf21("3","5","4","6","5","1","4","1") = "5"
    & skf21("3","5","4","6","5","1","5","1") = "5"
    & skf21("3","5","4","6","5","1","6","1") = "5"
    & skf21("3","5","4","6","5","1","7","1") = "6"
    & skf21("3","5","4","6","5","2","1","1") = "5"
    & skf21("3","5","4","6","5","2","2","1") = "5"
    & skf21("3","5","4","6","5","2","3","1") = "5"
    & skf21("3","5","4","6","5","2","4","1") = "5"
    & skf21("3","5","4","6","5","2","5","1") = "5"
    & skf21("3","5","4","6","5","2","6","1") = "5"
    & skf21("3","5","4","6","5","2","7","1") = "6"
    & skf21("3","5","4","6","5","3","1","1") = "5"
    & skf21("3","5","4","6","5","3","2","1") = "5"
    & skf21("3","5","4","6","5","3","3","1") = "5"
    & skf21("3","5","4","6","5","3","4","1") = "5"
    & skf21("3","5","4","6","5","3","5","1") = "5"
    & skf21("3","5","4","6","5","3","6","1") = "5"
    & skf21("3","5","4","6","5","3","7","1") = "6"
    & skf21("3","5","4","6","5","4","1","1") = "5"
    & skf21("3","5","4","6","5","4","2","1") = "5"
    & skf21("3","5","4","6","5","4","3","1") = "5"
    & skf21("3","5","4","6","5","4","4","1") = "5"
    & skf21("3","5","4","6","5","4","5","1") = "5"
    & skf21("3","5","4","6","5","4","6","1") = "5"
    & skf21("3","5","4","6","5","4","7","1") = "6"
    & skf21("3","5","4","6","5","5","1","1") = "5"
    & skf21("3","5","4","6","5","5","2","1") = "5"
    & skf21("3","5","4","6","5","5","3","1") = "5"
    & skf21("3","5","4","6","5","5","4","1") = "5"
    & skf21("3","5","4","6","5","5","5","1") = "5"
    & skf21("3","5","4","6","5","5","6","1") = "5"
    & skf21("3","5","4","6","5","5","7","1") = "6"
    & skf21("3","5","4","6","5","6","1","1") = "5"
    & skf21("3","5","4","6","5","6","2","1") = "5"
    & skf21("3","5","4","6","5","6","3","1") = "5"
    & skf21("3","5","4","6","5","6","4","1") = "5"
    & skf21("3","5","4","6","5","6","5","1") = "5"
    & skf21("3","5","4","6","5","6","6","1") = "5"
    & skf21("3","5","4","6","5","6","7","1") = "6"
    & skf21("3","5","4","6","5","7","1","1") = "6"
    & skf21("3","5","4","6","5","7","2","1") = "6"
    & skf21("3","5","4","6","5","7","3","1") = "6"
    & skf21("3","5","4","6","5","7","4","1") = "6"
    & skf21("3","5","4","6","5","7","5","1") = "6"
    & skf21("3","5","4","6","5","7","6","1") = "6"
    & skf21("3","5","4","6","5","7","7","1") = "6"
    & skf21("3","5","4","6","6","1","1","1") = "5"
    & skf21("3","5","4","6","6","1","2","1") = "5"
    & skf21("3","5","4","6","6","1","3","1") = "5"
    & skf21("3","5","4","6","6","1","4","1") = "5"
    & skf21("3","5","4","6","6","1","5","1") = "5"
    & skf21("3","5","4","6","6","1","6","1") = "5"
    & skf21("3","5","4","6","6","1","7","1") = "6"
    & skf21("3","5","4","6","6","2","1","1") = "5"
    & skf21("3","5","4","6","6","2","2","1") = "5"
    & skf21("3","5","4","6","6","2","3","1") = "5"
    & skf21("3","5","4","6","6","2","4","1") = "5"
    & skf21("3","5","4","6","6","2","5","1") = "5"
    & skf21("3","5","4","6","6","2","6","1") = "5"
    & skf21("3","5","4","6","6","2","7","1") = "6"
    & skf21("3","5","4","6","6","3","1","1") = "5"
    & skf21("3","5","4","6","6","3","2","1") = "5"
    & skf21("3","5","4","6","6","3","3","1") = "5"
    & skf21("3","5","4","6","6","3","4","1") = "5"
    & skf21("3","5","4","6","6","3","5","1") = "5"
    & skf21("3","5","4","6","6","3","6","1") = "5"
    & skf21("3","5","4","6","6","3","7","1") = "6"
    & skf21("3","5","4","6","6","4","1","1") = "5"
    & skf21("3","5","4","6","6","4","2","1") = "5"
    & skf21("3","5","4","6","6","4","3","1") = "5"
    & skf21("3","5","4","6","6","4","4","1") = "5"
    & skf21("3","5","4","6","6","4","5","1") = "5"
    & skf21("3","5","4","6","6","4","6","1") = "5"
    & skf21("3","5","4","6","6","4","7","1") = "6"
    & skf21("3","5","4","6","6","5","1","1") = "5"
    & skf21("3","5","4","6","6","5","2","1") = "5"
    & skf21("3","5","4","6","6","5","3","1") = "5"
    & skf21("3","5","4","6","6","5","4","1") = "5"
    & skf21("3","5","4","6","6","5","5","1") = "5"
    & skf21("3","5","4","6","6","5","6","1") = "5"
    & skf21("3","5","4","6","6","5","7","1") = "6"
    & skf21("3","5","4","6","6","6","1","1") = "5"
    & skf21("3","5","4","6","6","6","2","1") = "5"
    & skf21("3","5","4","6","6","6","3","1") = "5"
    & skf21("3","5","4","6","6","6","4","1") = "5"
    & skf21("3","5","4","6","6","6","5","1") = "5"
    & skf21("3","5","4","6","6","6","6","1") = "5"
    & skf21("3","5","4","6","6","6","7","1") = "6"
    & skf21("3","5","4","6","6","7","1","1") = "6"
    & skf21("3","5","4","6","6","7","2","1") = "6"
    & skf21("3","5","4","6","6","7","3","1") = "6"
    & skf21("3","5","4","6","6","7","4","1") = "6"
    & skf21("3","5","4","6","6","7","5","1") = "6"
    & skf21("3","5","4","6","6","7","6","1") = "6"
    & skf21("3","5","4","6","6","7","7","1") = "6"
    & skf21("3","5","4","6","7","1","1","1") = "6"
    & skf21("3","5","4","6","7","1","2","1") = "6"
    & skf21("3","5","4","6","7","1","3","1") = "6"
    & skf21("3","5","4","6","7","1","4","1") = "6"
    & skf21("3","5","4","6","7","1","5","1") = "6"
    & skf21("3","5","4","6","7","1","6","1") = "6"
    & skf21("3","5","4","6","7","1","7","1") = "6"
    & skf21("3","5","4","6","7","2","1","1") = "6"
    & skf21("3","5","4","6","7","2","2","1") = "6"
    & skf21("3","5","4","6","7","2","3","1") = "6"
    & skf21("3","5","4","6","7","2","4","1") = "6"
    & skf21("3","5","4","6","7","2","5","1") = "6"
    & skf21("3","5","4","6","7","2","6","1") = "6"
    & skf21("3","5","4","6","7","2","7","1") = "6"
    & skf21("3","5","4","6","7","3","1","1") = "6"
    & skf21("3","5","4","6","7","3","2","1") = "6"
    & skf21("3","5","4","6","7","3","3","1") = "6"
    & skf21("3","5","4","6","7","3","4","1") = "6"
    & skf21("3","5","4","6","7","3","5","1") = "6"
    & skf21("3","5","4","6","7","3","6","1") = "6"
    & skf21("3","5","4","6","7","3","7","1") = "6"
    & skf21("3","5","4","6","7","4","1","1") = "6"
    & skf21("3","5","4","6","7","4","2","1") = "6"
    & skf21("3","5","4","6","7","4","3","1") = "6"
    & skf21("3","5","4","6","7","4","4","1") = "6"
    & skf21("3","5","4","6","7","4","5","1") = "6"
    & skf21("3","5","4","6","7","4","6","1") = "6"
    & skf21("3","5","4","6","7","4","7","1") = "6"
    & skf21("3","5","4","6","7","5","1","1") = "6"
    & skf21("3","5","4","6","7","5","2","1") = "6"
    & skf21("3","5","4","6","7","5","3","1") = "6"
    & skf21("3","5","4","6","7","5","4","1") = "6"
    & skf21("3","5","4","6","7","5","5","1") = "6"
    & skf21("3","5","4","6","7","5","6","1") = "6"
    & skf21("3","5","4","6","7","5","7","1") = "6"
    & skf21("3","5","4","6","7","6","1","1") = "6"
    & skf21("3","5","4","6","7","6","2","1") = "6"
    & skf21("3","5","4","6","7","6","3","1") = "6"
    & skf21("3","5","4","6","7","6","4","1") = "6"
    & skf21("3","5","4","6","7","6","5","1") = "6"
    & skf21("3","5","4","6","7","6","6","1") = "6"
    & skf21("3","5","4","6","7","6","7","1") = "6"
    & skf21("3","5","4","6","7","7","1","1") = "6"
    & skf21("3","5","4","6","7","7","2","1") = "6"
    & skf21("3","5","4","6","7","7","3","1") = "6"
    & skf21("3","5","4","6","7","7","4","1") = "6"
    & skf21("3","5","4","6","7","7","5","1") = "6"
    & skf21("3","5","4","6","7","7","6","1") = "6"
    & skf21("3","5","4","6","7","7","7","1") = "6"
    & skf21("3","5","4","7","1","1","1","1") = "6"
    & skf21("3","5","4","7","1","1","2","1") = "6"
    & skf21("3","5","4","7","1","1","3","1") = "6"
    & skf21("3","5","4","7","1","1","4","1") = "6"
    & skf21("3","5","4","7","1","1","5","1") = "6"
    & skf21("3","5","4","7","1","1","6","1") = "6"
    & skf21("3","5","4","7","1","1","7","1") = "6"
    & skf21("3","5","4","7","1","2","1","1") = "6"
    & skf21("3","5","4","7","1","2","2","1") = "6"
    & skf21("3","5","4","7","1","2","3","1") = "6"
    & skf21("3","5","4","7","1","2","4","1") = "6"
    & skf21("3","5","4","7","1","2","5","1") = "6"
    & skf21("3","5","4","7","1","2","6","1") = "6"
    & skf21("3","5","4","7","1","2","7","1") = "6"
    & skf21("3","5","4","7","1","3","1","1") = "6"
    & skf21("3","5","4","7","1","3","2","1") = "6"
    & skf21("3","5","4","7","1","3","3","1") = "6"
    & skf21("3","5","4","7","1","3","4","1") = "6"
    & skf21("3","5","4","7","1","3","5","1") = "6"
    & skf21("3","5","4","7","1","3","6","1") = "6"
    & skf21("3","5","4","7","1","3","7","1") = "6"
    & skf21("3","5","4","7","1","4","1","1") = "6"
    & skf21("3","5","4","7","1","4","2","1") = "6"
    & skf21("3","5","4","7","1","4","3","1") = "6"
    & skf21("3","5","4","7","1","4","4","1") = "6"
    & skf21("3","5","4","7","1","4","5","1") = "6"
    & skf21("3","5","4","7","1","4","6","1") = "6"
    & skf21("3","5","4","7","1","4","7","1") = "6"
    & skf21("3","5","4","7","1","5","1","1") = "6"
    & skf21("3","5","4","7","1","5","2","1") = "6"
    & skf21("3","5","4","7","1","5","3","1") = "6"
    & skf21("3","5","4","7","1","5","4","1") = "6"
    & skf21("3","5","4","7","1","5","5","1") = "6"
    & skf21("3","5","4","7","1","5","6","1") = "6"
    & skf21("3","5","4","7","1","5","7","1") = "6"
    & skf21("3","5","4","7","1","6","1","1") = "6"
    & skf21("3","5","4","7","1","6","2","1") = "6"
    & skf21("3","5","4","7","1","6","3","1") = "6"
    & skf21("3","5","4","7","1","6","4","1") = "6"
    & skf21("3","5","4","7","1","6","5","1") = "6"
    & skf21("3","5","4","7","1","6","6","1") = "6"
    & skf21("3","5","4","7","1","6","7","1") = "6"
    & skf21("3","5","4","7","1","7","1","1") = "6"
    & skf21("3","5","4","7","1","7","2","1") = "6"
    & skf21("3","5","4","7","1","7","3","1") = "6"
    & skf21("3","5","4","7","1","7","4","1") = "6"
    & skf21("3","5","4","7","1","7","5","1") = "6"
    & skf21("3","5","4","7","1","7","6","1") = "6"
    & skf21("3","5","4","7","1","7","7","1") = "6"
    & skf21("3","5","4","7","2","1","1","1") = "6"
    & skf21("3","5","4","7","2","1","2","1") = "6"
    & skf21("3","5","4","7","2","1","3","1") = "6"
    & skf21("3","5","4","7","2","1","4","1") = "6"
    & skf21("3","5","4","7","2","1","5","1") = "6"
    & skf21("3","5","4","7","2","1","6","1") = "6"
    & skf21("3","5","4","7","2","1","7","1") = "6"
    & skf21("3","5","4","7","2","2","1","1") = "6"
    & skf21("3","5","4","7","2","2","2","1") = "6"
    & skf21("3","5","4","7","2","2","3","1") = "6"
    & skf21("3","5","4","7","2","2","4","1") = "6"
    & skf21("3","5","4","7","2","2","5","1") = "6"
    & skf21("3","5","4","7","2","2","6","1") = "6"
    & skf21("3","5","4","7","2","2","7","1") = "6"
    & skf21("3","5","4","7","2","3","1","1") = "6"
    & skf21("3","5","4","7","2","3","2","1") = "6"
    & skf21("3","5","4","7","2","3","3","1") = "6"
    & skf21("3","5","4","7","2","3","4","1") = "6"
    & skf21("3","5","4","7","2","3","5","1") = "6"
    & skf21("3","5","4","7","2","3","6","1") = "6"
    & skf21("3","5","4","7","2","3","7","1") = "6"
    & skf21("3","5","4","7","2","4","1","1") = "6"
    & skf21("3","5","4","7","2","4","2","1") = "6"
    & skf21("3","5","4","7","2","4","3","1") = "6"
    & skf21("3","5","4","7","2","4","4","1") = "6"
    & skf21("3","5","4","7","2","4","5","1") = "6"
    & skf21("3","5","4","7","2","4","6","1") = "6"
    & skf21("3","5","4","7","2","4","7","1") = "6"
    & skf21("3","5","4","7","2","5","1","1") = "6"
    & skf21("3","5","4","7","2","5","2","1") = "6"
    & skf21("3","5","4","7","2","5","3","1") = "6"
    & skf21("3","5","4","7","2","5","4","1") = "6"
    & skf21("3","5","4","7","2","5","5","1") = "6"
    & skf21("3","5","4","7","2","5","6","1") = "6"
    & skf21("3","5","4","7","2","5","7","1") = "6"
    & skf21("3","5","4","7","2","6","1","1") = "6"
    & skf21("3","5","4","7","2","6","2","1") = "6"
    & skf21("3","5","4","7","2","6","3","1") = "6"
    & skf21("3","5","4","7","2","6","4","1") = "6"
    & skf21("3","5","4","7","2","6","5","1") = "6"
    & skf21("3","5","4","7","2","6","6","1") = "6"
    & skf21("3","5","4","7","2","6","7","1") = "6"
    & skf21("3","5","4","7","2","7","1","1") = "6"
    & skf21("3","5","4","7","2","7","2","1") = "6"
    & skf21("3","5","4","7","2","7","3","1") = "6"
    & skf21("3","5","4","7","2","7","4","1") = "6"
    & skf21("3","5","4","7","2","7","5","1") = "6"
    & skf21("3","5","4","7","2","7","6","1") = "6"
    & skf21("3","5","4","7","2","7","7","1") = "6"
    & skf21("3","5","4","7","3","1","1","1") = "6"
    & skf21("3","5","4","7","3","1","2","1") = "6"
    & skf21("3","5","4","7","3","1","3","1") = "6"
    & skf21("3","5","4","7","3","1","4","1") = "6"
    & skf21("3","5","4","7","3","1","5","1") = "6"
    & skf21("3","5","4","7","3","1","6","1") = "6"
    & skf21("3","5","4","7","3","1","7","1") = "6"
    & skf21("3","5","4","7","3","2","1","1") = "6"
    & skf21("3","5","4","7","3","2","2","1") = "6"
    & skf21("3","5","4","7","3","2","3","1") = "6"
    & skf21("3","5","4","7","3","2","4","1") = "6"
    & skf21("3","5","4","7","3","2","5","1") = "6"
    & skf21("3","5","4","7","3","2","6","1") = "6"
    & skf21("3","5","4","7","3","2","7","1") = "6"
    & skf21("3","5","4","7","3","3","1","1") = "6"
    & skf21("3","5","4","7","3","3","2","1") = "6"
    & skf21("3","5","4","7","3","3","3","1") = "6"
    & skf21("3","5","4","7","3","3","4","1") = "6"
    & skf21("3","5","4","7","3","3","5","1") = "6"
    & skf21("3","5","4","7","3","3","6","1") = "6"
    & skf21("3","5","4","7","3","3","7","1") = "6"
    & skf21("3","5","4","7","3","4","1","1") = "6"
    & skf21("3","5","4","7","3","4","2","1") = "6"
    & skf21("3","5","4","7","3","4","3","1") = "6"
    & skf21("3","5","4","7","3","4","4","1") = "6"
    & skf21("3","5","4","7","3","4","5","1") = "6"
    & skf21("3","5","4","7","3","4","6","1") = "6"
    & skf21("3","5","4","7","3","4","7","1") = "6"
    & skf21("3","5","4","7","3","5","1","1") = "6"
    & skf21("3","5","4","7","3","5","2","1") = "6"
    & skf21("3","5","4","7","3","5","3","1") = "6"
    & skf21("3","5","4","7","3","5","4","1") = "6"
    & skf21("3","5","4","7","3","5","5","1") = "6"
    & skf21("3","5","4","7","3","5","6","1") = "6"
    & skf21("3","5","4","7","3","5","7","1") = "6"
    & skf21("3","5","4","7","3","6","1","1") = "6"
    & skf21("3","5","4","7","3","6","2","1") = "6"
    & skf21("3","5","4","7","3","6","3","1") = "6"
    & skf21("3","5","4","7","3","6","4","1") = "6"
    & skf21("3","5","4","7","3","6","5","1") = "6"
    & skf21("3","5","4","7","3","6","6","1") = "6"
    & skf21("3","5","4","7","3","6","7","1") = "6"
    & skf21("3","5","4","7","3","7","1","1") = "6"
    & skf21("3","5","4","7","3","7","2","1") = "6"
    & skf21("3","5","4","7","3","7","3","1") = "6"
    & skf21("3","5","4","7","3","7","4","1") = "6"
    & skf21("3","5","4","7","3","7","5","1") = "6"
    & skf21("3","5","4","7","3","7","6","1") = "6"
    & skf21("3","5","4","7","3","7","7","1") = "6"
    & skf21("3","5","4","7","4","1","1","1") = "6"
    & skf21("3","5","4","7","4","1","2","1") = "6"
    & skf21("3","5","4","7","4","1","3","1") = "6"
    & skf21("3","5","4","7","4","1","4","1") = "6"
    & skf21("3","5","4","7","4","1","5","1") = "6"
    & skf21("3","5","4","7","4","1","6","1") = "6"
    & skf21("3","5","4","7","4","1","7","1") = "6"
    & skf21("3","5","4","7","4","2","1","1") = "6"
    & skf21("3","5","4","7","4","2","2","1") = "6"
    & skf21("3","5","4","7","4","2","3","1") = "6"
    & skf21("3","5","4","7","4","2","4","1") = "6"
    & skf21("3","5","4","7","4","2","5","1") = "6"
    & skf21("3","5","4","7","4","2","6","1") = "6"
    & skf21("3","5","4","7","4","2","7","1") = "6"
    & skf21("3","5","4","7","4","3","1","1") = "6"
    & skf21("3","5","4","7","4","3","2","1") = "6"
    & skf21("3","5","4","7","4","3","3","1") = "6"
    & skf21("3","5","4","7","4","3","4","1") = "6"
    & skf21("3","5","4","7","4","3","5","1") = "6"
    & skf21("3","5","4","7","4","3","6","1") = "6"
    & skf21("3","5","4","7","4","3","7","1") = "6"
    & skf21("3","5","4","7","4","4","1","1") = "6"
    & skf21("3","5","4","7","4","4","2","1") = "6"
    & skf21("3","5","4","7","4","4","3","1") = "6"
    & skf21("3","5","4","7","4","4","4","1") = "6"
    & skf21("3","5","4","7","4","4","5","1") = "6"
    & skf21("3","5","4","7","4","4","6","1") = "6"
    & skf21("3","5","4","7","4","4","7","1") = "6"
    & skf21("3","5","4","7","4","5","1","1") = "6"
    & skf21("3","5","4","7","4","5","2","1") = "6"
    & skf21("3","5","4","7","4","5","3","1") = "6"
    & skf21("3","5","4","7","4","5","4","1") = "6"
    & skf21("3","5","4","7","4","5","5","1") = "6"
    & skf21("3","5","4","7","4","5","6","1") = "6"
    & skf21("3","5","4","7","4","5","7","1") = "6"
    & skf21("3","5","4","7","4","6","1","1") = "6"
    & skf21("3","5","4","7","4","6","2","1") = "6"
    & skf21("3","5","4","7","4","6","3","1") = "6"
    & skf21("3","5","4","7","4","6","4","1") = "6"
    & skf21("3","5","4","7","4","6","5","1") = "6"
    & skf21("3","5","4","7","4","6","6","1") = "6"
    & skf21("3","5","4","7","4","6","7","1") = "6"
    & skf21("3","5","4","7","4","7","1","1") = "6"
    & skf21("3","5","4","7","4","7","2","1") = "6"
    & skf21("3","5","4","7","4","7","3","1") = "6"
    & skf21("3","5","4","7","4","7","4","1") = "6"
    & skf21("3","5","4","7","4","7","5","1") = "6"
    & skf21("3","5","4","7","4","7","6","1") = "6"
    & skf21("3","5","4","7","4","7","7","1") = "6"
    & skf21("3","5","4","7","5","1","1","1") = "6"
    & skf21("3","5","4","7","5","1","2","1") = "6"
    & skf21("3","5","4","7","5","1","3","1") = "6"
    & skf21("3","5","4","7","5","1","4","1") = "6"
    & skf21("3","5","4","7","5","1","5","1") = "6"
    & skf21("3","5","4","7","5","1","6","1") = "6"
    & skf21("3","5","4","7","5","1","7","1") = "6"
    & skf21("3","5","4","7","5","2","1","1") = "6"
    & skf21("3","5","4","7","5","2","2","1") = "6"
    & skf21("3","5","4","7","5","2","3","1") = "6"
    & skf21("3","5","4","7","5","2","4","1") = "6"
    & skf21("3","5","4","7","5","2","5","1") = "6"
    & skf21("3","5","4","7","5","2","6","1") = "6"
    & skf21("3","5","4","7","5","2","7","1") = "6"
    & skf21("3","5","4","7","5","3","1","1") = "6"
    & skf21("3","5","4","7","5","3","2","1") = "6"
    & skf21("3","5","4","7","5","3","3","1") = "6"
    & skf21("3","5","4","7","5","3","4","1") = "6"
    & skf21("3","5","4","7","5","3","5","1") = "6"
    & skf21("3","5","4","7","5","3","6","1") = "6"
    & skf21("3","5","4","7","5","3","7","1") = "6"
    & skf21("3","5","4","7","5","4","1","1") = "6"
    & skf21("3","5","4","7","5","4","2","1") = "6"
    & skf21("3","5","4","7","5","4","3","1") = "6"
    & skf21("3","5","4","7","5","4","4","1") = "6"
    & skf21("3","5","4","7","5","4","5","1") = "6"
    & skf21("3","5","4","7","5","4","6","1") = "6"
    & skf21("3","5","4","7","5","4","7","1") = "6"
    & skf21("3","5","4","7","5","5","1","1") = "6"
    & skf21("3","5","4","7","5","5","2","1") = "6"
    & skf21("3","5","4","7","5","5","3","1") = "6"
    & skf21("3","5","4","7","5","5","4","1") = "6"
    & skf21("3","5","4","7","5","5","5","1") = "6"
    & skf21("3","5","4","7","5","5","6","1") = "6"
    & skf21("3","5","4","7","5","5","7","1") = "6"
    & skf21("3","5","4","7","5","6","1","1") = "6"
    & skf21("3","5","4","7","5","6","2","1") = "6"
    & skf21("3","5","4","7","5","6","3","1") = "6"
    & skf21("3","5","4","7","5","6","4","1") = "6"
    & skf21("3","5","4","7","5","6","5","1") = "6"
    & skf21("3","5","4","7","5","6","6","1") = "6"
    & skf21("3","5","4","7","5","6","7","1") = "6"
    & skf21("3","5","4","7","5","7","1","1") = "6"
    & skf21("3","5","4","7","5","7","2","1") = "6"
    & skf21("3","5","4","7","5","7","3","1") = "6"
    & skf21("3","5","4","7","5","7","4","1") = "6"
    & skf21("3","5","4","7","5","7","5","1") = "6"
    & skf21("3","5","4","7","5","7","6","1") = "6"
    & skf21("3","5","4","7","5","7","7","1") = "6"
    & skf21("3","5","4","7","6","1","1","1") = "6"
    & skf21("3","5","4","7","6","1","2","1") = "6"
    & skf21("3","5","4","7","6","1","3","1") = "6"
    & skf21("3","5","4","7","6","1","4","1") = "6"
    & skf21("3","5","4","7","6","1","5","1") = "6"
    & skf21("3","5","4","7","6","1","6","1") = "6"
    & skf21("3","5","4","7","6","1","7","1") = "6"
    & skf21("3","5","4","7","6","2","1","1") = "6"
    & skf21("3","5","4","7","6","2","2","1") = "6"
    & skf21("3","5","4","7","6","2","3","1") = "6"
    & skf21("3","5","4","7","6","2","4","1") = "6"
    & skf21("3","5","4","7","6","2","5","1") = "6"
    & skf21("3","5","4","7","6","2","6","1") = "6"
    & skf21("3","5","4","7","6","2","7","1") = "6"
    & skf21("3","5","4","7","6","3","1","1") = "6"
    & skf21("3","5","4","7","6","3","2","1") = "6"
    & skf21("3","5","4","7","6","3","3","1") = "6"
    & skf21("3","5","4","7","6","3","4","1") = "6"
    & skf21("3","5","4","7","6","3","5","1") = "6"
    & skf21("3","5","4","7","6","3","6","1") = "6"
    & skf21("3","5","4","7","6","3","7","1") = "6"
    & skf21("3","5","4","7","6","4","1","1") = "6"
    & skf21("3","5","4","7","6","4","2","1") = "6"
    & skf21("3","5","4","7","6","4","3","1") = "6"
    & skf21("3","5","4","7","6","4","4","1") = "6"
    & skf21("3","5","4","7","6","4","5","1") = "6"
    & skf21("3","5","4","7","6","4","6","1") = "6"
    & skf21("3","5","4","7","6","4","7","1") = "6"
    & skf21("3","5","4","7","6","5","1","1") = "6"
    & skf21("3","5","4","7","6","5","2","1") = "6"
    & skf21("3","5","4","7","6","5","3","1") = "6"
    & skf21("3","5","4","7","6","5","4","1") = "6"
    & skf21("3","5","4","7","6","5","5","1") = "6"
    & skf21("3","5","4","7","6","5","6","1") = "6"
    & skf21("3","5","4","7","6","5","7","1") = "6"
    & skf21("3","5","4","7","6","6","1","1") = "6"
    & skf21("3","5","4","7","6","6","2","1") = "6"
    & skf21("3","5","4","7","6","6","3","1") = "6"
    & skf21("3","5","4","7","6","6","4","1") = "6"
    & skf21("3","5","4","7","6","6","5","1") = "6"
    & skf21("3","5","4","7","6","6","6","1") = "6"
    & skf21("3","5","4","7","6","6","7","1") = "6"
    & skf21("3","5","4","7","6","7","1","1") = "6"
    & skf21("3","5","4","7","6","7","2","1") = "6"
    & skf21("3","5","4","7","6","7","3","1") = "6"
    & skf21("3","5","4","7","6","7","4","1") = "6"
    & skf21("3","5","4","7","6","7","5","1") = "6"
    & skf21("3","5","4","7","6","7","6","1") = "6"
    & skf21("3","5","4","7","6","7","7","1") = "6"
    & skf21("3","5","4","7","7","1","1","1") = "6"
    & skf21("3","5","4","7","7","1","2","1") = "6"
    & skf21("3","5","4","7","7","1","3","1") = "6"
    & skf21("3","5","4","7","7","1","4","1") = "6"
    & skf21("3","5","4","7","7","1","5","1") = "6"
    & skf21("3","5","4","7","7","1","6","1") = "6"
    & skf21("3","5","4","7","7","1","7","1") = "6"
    & skf21("3","5","4","7","7","2","1","1") = "6"
    & skf21("3","5","4","7","7","2","2","1") = "6"
    & skf21("3","5","4","7","7","2","3","1") = "6"
    & skf21("3","5","4","7","7","2","4","1") = "6"
    & skf21("3","5","4","7","7","2","5","1") = "6"
    & skf21("3","5","4","7","7","2","6","1") = "6"
    & skf21("3","5","4","7","7","2","7","1") = "6"
    & skf21("3","5","4","7","7","3","1","1") = "6"
    & skf21("3","5","4","7","7","3","2","1") = "6"
    & skf21("3","5","4","7","7","3","3","1") = "6"
    & skf21("3","5","4","7","7","3","4","1") = "6"
    & skf21("3","5","4","7","7","3","5","1") = "6"
    & skf21("3","5","4","7","7","3","6","1") = "6"
    & skf21("3","5","4","7","7","3","7","1") = "6"
    & skf21("3","5","4","7","7","4","1","1") = "6"
    & skf21("3","5","4","7","7","4","2","1") = "6"
    & skf21("3","5","4","7","7","4","3","1") = "6"
    & skf21("3","5","4","7","7","4","4","1") = "6"
    & skf21("3","5","4","7","7","4","5","1") = "6"
    & skf21("3","5","4","7","7","4","6","1") = "6"
    & skf21("3","5","4","7","7","4","7","1") = "6"
    & skf21("3","5","4","7","7","5","1","1") = "6"
    & skf21("3","5","4","7","7","5","2","1") = "6"
    & skf21("3","5","4","7","7","5","3","1") = "6"
    & skf21("3","5","4","7","7","5","4","1") = "6"
    & skf21("3","5","4","7","7","5","5","1") = "6"
    & skf21("3","5","4","7","7","5","6","1") = "6"
    & skf21("3","5","4","7","7","5","7","1") = "6"
    & skf21("3","5","4","7","7","6","1","1") = "6"
    & skf21("3","5","4","7","7","6","2","1") = "6"
    & skf21("3","5","4","7","7","6","3","1") = "6"
    & skf21("3","5","4","7","7","6","4","1") = "6"
    & skf21("3","5","4","7","7","6","5","1") = "6"
    & skf21("3","5","4","7","7","6","6","1") = "6"
    & skf21("3","5","4","7","7","6","7","1") = "6"
    & skf21("3","5","4","7","7","7","1","1") = "6"
    & skf21("3","5","4","7","7","7","2","1") = "6"
    & skf21("3","5","4","7","7","7","3","1") = "6"
    & skf21("3","5","4","7","7","7","4","1") = "6"
    & skf21("3","5","4","7","7","7","5","1") = "6"
    & skf21("3","5","4","7","7","7","6","1") = "6"
    & skf21("3","5","4","7","7","7","7","1") = "6"
    & skf21("3","5","5","1","1","1","1","1") = "4"
    & skf21("3","5","5","1","1","1","2","1") = "4"
    & skf21("3","5","5","1","1","1","3","1") = "4"
    & skf21("3","5","5","1","1","1","4","1") = "4"
    & skf21("3","5","5","1","1","1","5","1") = "4"
    & skf21("3","5","5","1","1","1","6","1") = "5"
    & skf21("3","5","5","1","1","1","7","1") = "6"
    & skf21("3","5","5","1","1","2","1","1") = "4"
    & skf21("3","5","5","1","1","2","2","1") = "4"
    & skf21("3","5","5","1","1","2","3","1") = "4"
    & skf21("3","5","5","1","1","2","4","1") = "4"
    & skf21("3","5","5","1","1","2","5","1") = "4"
    & skf21("3","5","5","1","1","2","6","1") = "5"
    & skf21("3","5","5","1","1","2","7","1") = "6"
    & skf21("3","5","5","1","1","3","1","1") = "4"
    & skf21("3","5","5","1","1","3","2","1") = "4"
    & skf21("3","5","5","1","1","3","3","1") = "4"
    & skf21("3","5","5","1","1","3","4","1") = "4"
    & skf21("3","5","5","1","1","3","5","1") = "4"
    & skf21("3","5","5","1","1","3","6","1") = "5"
    & skf21("3","5","5","1","1","3","7","1") = "6"
    & skf21("3","5","5","1","1","4","1","1") = "4"
    & skf21("3","5","5","1","1","4","2","1") = "4"
    & skf21("3","5","5","1","1","4","3","1") = "4"
    & skf21("3","5","5","1","1","4","4","1") = "4"
    & skf21("3","5","5","1","1","4","5","1") = "4"
    & skf21("3","5","5","1","1","4","6","1") = "5"
    & skf21("3","5","5","1","1","4","7","1") = "6"
    & skf21("3","5","5","1","1","5","1","1") = "4"
    & skf21("3","5","5","1","1","5","2","1") = "4"
    & skf21("3","5","5","1","1","5","3","1") = "4"
    & skf21("3","5","5","1","1","5","4","1") = "4"
    & skf21("3","5","5","1","1","5","5","1") = "4"
    & skf21("3","5","5","1","1","5","6","1") = "5"
    & skf21("3","5","5","1","1","5","7","1") = "6"
    & skf21("3","5","5","1","1","6","1","1") = "5"
    & skf21("3","5","5","1","1","6","2","1") = "5"
    & skf21("3","5","5","1","1","6","3","1") = "5"
    & skf21("3","5","5","1","1","6","4","1") = "5"
    & skf21("3","5","5","1","1","6","5","1") = "5"
    & skf21("3","5","5","1","1","6","6","1") = "5"
    & skf21("3","5","5","1","1","6","7","1") = "6"
    & skf21("3","5","5","1","1","7","1","1") = "6"
    & skf21("3","5","5","1","1","7","2","1") = "6"
    & skf21("3","5","5","1","1","7","3","1") = "6"
    & skf21("3","5","5","1","1","7","4","1") = "6"
    & skf21("3","5","5","1","1","7","5","1") = "6"
    & skf21("3","5","5","1","1","7","6","1") = "6"
    & skf21("3","5","5","1","1","7","7","1") = "6"
    & skf21("3","5","5","1","2","1","1","1") = "4"
    & skf21("3","5","5","1","2","1","2","1") = "4"
    & skf21("3","5","5","1","2","1","3","1") = "4"
    & skf21("3","5","5","1","2","1","4","1") = "4"
    & skf21("3","5","5","1","2","1","5","1") = "4"
    & skf21("3","5","5","1","2","1","6","1") = "5"
    & skf21("3","5","5","1","2","1","7","1") = "6"
    & skf21("3","5","5","1","2","2","1","1") = "4"
    & skf21("3","5","5","1","2","2","2","1") = "4"
    & skf21("3","5","5","1","2","2","3","1") = "4"
    & skf21("3","5","5","1","2","2","4","1") = "4"
    & skf21("3","5","5","1","2","2","5","1") = "4"
    & skf21("3","5","5","1","2","2","6","1") = "5"
    & skf21("3","5","5","1","2","2","7","1") = "6"
    & skf21("3","5","5","1","2","3","1","1") = "4"
    & skf21("3","5","5","1","2","3","2","1") = "4"
    & skf21("3","5","5","1","2","3","3","1") = "4"
    & skf21("3","5","5","1","2","3","4","1") = "4"
    & skf21("3","5","5","1","2","3","5","1") = "4"
    & skf21("3","5","5","1","2","3","6","1") = "5"
    & skf21("3","5","5","1","2","3","7","1") = "6"
    & skf21("3","5","5","1","2","4","1","1") = "4"
    & skf21("3","5","5","1","2","4","2","1") = "4"
    & skf21("3","5","5","1","2","4","3","1") = "4"
    & skf21("3","5","5","1","2","4","4","1") = "4"
    & skf21("3","5","5","1","2","4","5","1") = "4"
    & skf21("3","5","5","1","2","4","6","1") = "5"
    & skf21("3","5","5","1","2","4","7","1") = "6"
    & skf21("3","5","5","1","2","5","1","1") = "4"
    & skf21("3","5","5","1","2","5","2","1") = "4"
    & skf21("3","5","5","1","2","5","3","1") = "4"
    & skf21("3","5","5","1","2","5","4","1") = "4"
    & skf21("3","5","5","1","2","5","5","1") = "4"
    & skf21("3","5","5","1","2","5","6","1") = "5"
    & skf21("3","5","5","1","2","5","7","1") = "6"
    & skf21("3","5","5","1","2","6","1","1") = "5"
    & skf21("3","5","5","1","2","6","2","1") = "5"
    & skf21("3","5","5","1","2","6","3","1") = "5"
    & skf21("3","5","5","1","2","6","4","1") = "5"
    & skf21("3","5","5","1","2","6","5","1") = "5"
    & skf21("3","5","5","1","2","6","6","1") = "5"
    & skf21("3","5","5","1","2","6","7","1") = "6"
    & skf21("3","5","5","1","2","7","1","1") = "6"
    & skf21("3","5","5","1","2","7","2","1") = "6"
    & skf21("3","5","5","1","2","7","3","1") = "6"
    & skf21("3","5","5","1","2","7","4","1") = "6"
    & skf21("3","5","5","1","2","7","5","1") = "6"
    & skf21("3","5","5","1","2","7","6","1") = "6"
    & skf21("3","5","5","1","2","7","7","1") = "6"
    & skf21("3","5","5","1","3","1","1","1") = "4"
    & skf21("3","5","5","1","3","1","2","1") = "4"
    & skf21("3","5","5","1","3","1","3","1") = "4"
    & skf21("3","5","5","1","3","1","4","1") = "4"
    & skf21("3","5","5","1","3","1","5","1") = "4"
    & skf21("3","5","5","1","3","1","6","1") = "5"
    & skf21("3","5","5","1","3","1","7","1") = "6"
    & skf21("3","5","5","1","3","2","1","1") = "4"
    & skf21("3","5","5","1","3","2","2","1") = "4"
    & skf21("3","5","5","1","3","2","3","1") = "4"
    & skf21("3","5","5","1","3","2","4","1") = "4"
    & skf21("3","5","5","1","3","2","5","1") = "4"
    & skf21("3","5","5","1","3","2","6","1") = "5"
    & skf21("3","5","5","1","3","2","7","1") = "6"
    & skf21("3","5","5","1","3","3","1","1") = "4"
    & skf21("3","5","5","1","3","3","2","1") = "4"
    & skf21("3","5","5","1","3","3","3","1") = "4"
    & skf21("3","5","5","1","3","3","4","1") = "4"
    & skf21("3","5","5","1","3","3","5","1") = "4"
    & skf21("3","5","5","1","3","3","6","1") = "5"
    & skf21("3","5","5","1","3","3","7","1") = "6"
    & skf21("3","5","5","1","3","4","1","1") = "4"
    & skf21("3","5","5","1","3","4","2","1") = "4"
    & skf21("3","5","5","1","3","4","3","1") = "4"
    & skf21("3","5","5","1","3","4","4","1") = "4"
    & skf21("3","5","5","1","3","4","5","1") = "4"
    & skf21("3","5","5","1","3","4","6","1") = "5"
    & skf21("3","5","5","1","3","4","7","1") = "6"
    & skf21("3","5","5","1","3","5","1","1") = "4"
    & skf21("3","5","5","1","3","5","2","1") = "4"
    & skf21("3","5","5","1","3","5","3","1") = "4"
    & skf21("3","5","5","1","3","5","4","1") = "4"
    & skf21("3","5","5","1","3","5","5","1") = "4"
    & skf21("3","5","5","1","3","5","6","1") = "5"
    & skf21("3","5","5","1","3","5","7","1") = "6"
    & skf21("3","5","5","1","3","6","1","1") = "5"
    & skf21("3","5","5","1","3","6","2","1") = "5"
    & skf21("3","5","5","1","3","6","3","1") = "5"
    & skf21("3","5","5","1","3","6","4","1") = "5"
    & skf21("3","5","5","1","3","6","5","1") = "5"
    & skf21("3","5","5","1","3","6","6","1") = "5"
    & skf21("3","5","5","1","3","6","7","1") = "6"
    & skf21("3","5","5","1","3","7","1","1") = "6"
    & skf21("3","5","5","1","3","7","2","1") = "6"
    & skf21("3","5","5","1","3","7","3","1") = "6"
    & skf21("3","5","5","1","3","7","4","1") = "6"
    & skf21("3","5","5","1","3","7","5","1") = "6"
    & skf21("3","5","5","1","3","7","6","1") = "6"
    & skf21("3","5","5","1","3","7","7","1") = "6"
    & skf21("3","5","5","1","4","1","1","1") = "4"
    & skf21("3","5","5","1","4","1","2","1") = "4"
    & skf21("3","5","5","1","4","1","3","1") = "4"
    & skf21("3","5","5","1","4","1","4","1") = "4"
    & skf21("3","5","5","1","4","1","5","1") = "4"
    & skf21("3","5","5","1","4","1","6","1") = "5"
    & skf21("3","5","5","1","4","1","7","1") = "6"
    & skf21("3","5","5","1","4","2","1","1") = "4"
    & skf21("3","5","5","1","4","2","2","1") = "4"
    & skf21("3","5","5","1","4","2","3","1") = "4"
    & skf21("3","5","5","1","4","2","4","1") = "4"
    & skf21("3","5","5","1","4","2","5","1") = "4"
    & skf21("3","5","5","1","4","2","6","1") = "5"
    & skf21("3","5","5","1","4","2","7","1") = "6"
    & skf21("3","5","5","1","4","3","1","1") = "4"
    & skf21("3","5","5","1","4","3","2","1") = "4"
    & skf21("3","5","5","1","4","3","3","1") = "4"
    & skf21("3","5","5","1","4","3","4","1") = "4"
    & skf21("3","5","5","1","4","3","5","1") = "4"
    & skf21("3","5","5","1","4","3","6","1") = "5"
    & skf21("3","5","5","1","4","3","7","1") = "6"
    & skf21("3","5","5","1","4","4","1","1") = "4"
    & skf21("3","5","5","1","4","4","2","1") = "4"
    & skf21("3","5","5","1","4","4","3","1") = "4"
    & skf21("3","5","5","1","4","4","4","1") = "4"
    & skf21("3","5","5","1","4","4","5","1") = "4"
    & skf21("3","5","5","1","4","4","6","1") = "5"
    & skf21("3","5","5","1","4","4","7","1") = "6"
    & skf21("3","5","5","1","4","5","1","1") = "4"
    & skf21("3","5","5","1","4","5","2","1") = "4"
    & skf21("3","5","5","1","4","5","3","1") = "4"
    & skf21("3","5","5","1","4","5","4","1") = "4"
    & skf21("3","5","5","1","4","5","5","1") = "4"
    & skf21("3","5","5","1","4","5","6","1") = "5"
    & skf21("3","5","5","1","4","5","7","1") = "6"
    & skf21("3","5","5","1","4","6","1","1") = "5"
    & skf21("3","5","5","1","4","6","2","1") = "5"
    & skf21("3","5","5","1","4","6","3","1") = "5"
    & skf21("3","5","5","1","4","6","4","1") = "5"
    & skf21("3","5","5","1","4","6","5","1") = "5"
    & skf21("3","5","5","1","4","6","6","1") = "5"
    & skf21("3","5","5","1","4","6","7","1") = "6"
    & skf21("3","5","5","1","4","7","1","1") = "6"
    & skf21("3","5","5","1","4","7","2","1") = "6"
    & skf21("3","5","5","1","4","7","3","1") = "6"
    & skf21("3","5","5","1","4","7","4","1") = "6"
    & skf21("3","5","5","1","4","7","5","1") = "6"
    & skf21("3","5","5","1","4","7","6","1") = "6"
    & skf21("3","5","5","1","4","7","7","1") = "6"
    & skf21("3","5","5","1","5","1","1","1") = "4"
    & skf21("3","5","5","1","5","1","2","1") = "4"
    & skf21("3","5","5","1","5","1","3","1") = "4"
    & skf21("3","5","5","1","5","1","4","1") = "4"
    & skf21("3","5","5","1","5","1","5","1") = "4"
    & skf21("3","5","5","1","5","1","6","1") = "5"
    & skf21("3","5","5","1","5","1","7","1") = "6"
    & skf21("3","5","5","1","5","2","1","1") = "4"
    & skf21("3","5","5","1","5","2","2","1") = "4"
    & skf21("3","5","5","1","5","2","3","1") = "4"
    & skf21("3","5","5","1","5","2","4","1") = "4"
    & skf21("3","5","5","1","5","2","5","1") = "4"
    & skf21("3","5","5","1","5","2","6","1") = "5"
    & skf21("3","5","5","1","5","2","7","1") = "6"
    & skf21("3","5","5","1","5","3","1","1") = "4"
    & skf21("3","5","5","1","5","3","2","1") = "4"
    & skf21("3","5","5","1","5","3","3","1") = "4"
    & skf21("3","5","5","1","5","3","4","1") = "4"
    & skf21("3","5","5","1","5","3","5","1") = "4"
    & skf21("3","5","5","1","5","3","6","1") = "5"
    & skf21("3","5","5","1","5","3","7","1") = "6"
    & skf21("3","5","5","1","5","4","1","1") = "4"
    & skf21("3","5","5","1","5","4","2","1") = "4"
    & skf21("3","5","5","1","5","4","3","1") = "4"
    & skf21("3","5","5","1","5","4","4","1") = "4"
    & skf21("3","5","5","1","5","4","5","1") = "4"
    & skf21("3","5","5","1","5","4","6","1") = "5"
    & skf21("3","5","5","1","5","4","7","1") = "6"
    & skf21("3","5","5","1","5","5","1","1") = "4"
    & skf21("3","5","5","1","5","5","2","1") = "4"
    & skf21("3","5","5","1","5","5","3","1") = "4"
    & skf21("3","5","5","1","5","5","4","1") = "4"
    & skf21("3","5","5","1","5","5","5","1") = "4"
    & skf21("3","5","5","1","5","5","6","1") = "5"
    & skf21("3","5","5","1","5","5","7","1") = "6"
    & skf21("3","5","5","1","5","6","1","1") = "5"
    & skf21("3","5","5","1","5","6","2","1") = "5"
    & skf21("3","5","5","1","5","6","3","1") = "5"
    & skf21("3","5","5","1","5","6","4","1") = "5"
    & skf21("3","5","5","1","5","6","5","1") = "5"
    & skf21("3","5","5","1","5","6","6","1") = "5"
    & skf21("3","5","5","1","5","6","7","1") = "6"
    & skf21("3","5","5","1","5","7","1","1") = "6"
    & skf21("3","5","5","1","5","7","2","1") = "6"
    & skf21("3","5","5","1","5","7","3","1") = "6"
    & skf21("3","5","5","1","5","7","4","1") = "6"
    & skf21("3","5","5","1","5","7","5","1") = "6"
    & skf21("3","5","5","1","5","7","6","1") = "6"
    & skf21("3","5","5","1","5","7","7","1") = "6"
    & skf21("3","5","5","1","6","1","1","1") = "5"
    & skf21("3","5","5","1","6","1","2","1") = "5"
    & skf21("3","5","5","1","6","1","3","1") = "5"
    & skf21("3","5","5","1","6","1","4","1") = "5"
    & skf21("3","5","5","1","6","1","5","1") = "5"
    & skf21("3","5","5","1","6","1","6","1") = "5"
    & skf21("3","5","5","1","6","1","7","1") = "6"
    & skf21("3","5","5","1","6","2","1","1") = "5"
    & skf21("3","5","5","1","6","2","2","1") = "5"
    & skf21("3","5","5","1","6","2","3","1") = "5"
    & skf21("3","5","5","1","6","2","4","1") = "5"
    & skf21("3","5","5","1","6","2","5","1") = "5"
    & skf21("3","5","5","1","6","2","6","1") = "5"
    & skf21("3","5","5","1","6","2","7","1") = "6"
    & skf21("3","5","5","1","6","3","1","1") = "5"
    & skf21("3","5","5","1","6","3","2","1") = "5"
    & skf21("3","5","5","1","6","3","3","1") = "5"
    & skf21("3","5","5","1","6","3","4","1") = "5"
    & skf21("3","5","5","1","6","3","5","1") = "5"
    & skf21("3","5","5","1","6","3","6","1") = "5"
    & skf21("3","5","5","1","6","3","7","1") = "6"
    & skf21("3","5","5","1","6","4","1","1") = "5"
    & skf21("3","5","5","1","6","4","2","1") = "5"
    & skf21("3","5","5","1","6","4","3","1") = "5"
    & skf21("3","5","5","1","6","4","4","1") = "5"
    & skf21("3","5","5","1","6","4","5","1") = "5"
    & skf21("3","5","5","1","6","4","6","1") = "5"
    & skf21("3","5","5","1","6","4","7","1") = "6"
    & skf21("3","5","5","1","6","5","1","1") = "5"
    & skf21("3","5","5","1","6","5","2","1") = "5"
    & skf21("3","5","5","1","6","5","3","1") = "5"
    & skf21("3","5","5","1","6","5","4","1") = "5"
    & skf21("3","5","5","1","6","5","5","1") = "5"
    & skf21("3","5","5","1","6","5","6","1") = "5"
    & skf21("3","5","5","1","6","5","7","1") = "6"
    & skf21("3","5","5","1","6","6","1","1") = "5"
    & skf21("3","5","5","1","6","6","2","1") = "5"
    & skf21("3","5","5","1","6","6","3","1") = "5"
    & skf21("3","5","5","1","6","6","4","1") = "5"
    & skf21("3","5","5","1","6","6","5","1") = "5"
    & skf21("3","5","5","1","6","6","6","1") = "5"
    & skf21("3","5","5","1","6","6","7","1") = "6"
    & skf21("3","5","5","1","6","7","1","1") = "6"
    & skf21("3","5","5","1","6","7","2","1") = "6"
    & skf21("3","5","5","1","6","7","3","1") = "6"
    & skf21("3","5","5","1","6","7","4","1") = "6"
    & skf21("3","5","5","1","6","7","5","1") = "6"
    & skf21("3","5","5","1","6","7","6","1") = "6"
    & skf21("3","5","5","1","6","7","7","1") = "6"
    & skf21("3","5","5","1","7","1","1","1") = "6"
    & skf21("3","5","5","1","7","1","2","1") = "6"
    & skf21("3","5","5","1","7","1","3","1") = "6"
    & skf21("3","5","5","1","7","1","4","1") = "6"
    & skf21("3","5","5","1","7","1","5","1") = "6"
    & skf21("3","5","5","1","7","1","6","1") = "6"
    & skf21("3","5","5","1","7","1","7","1") = "6"
    & skf21("3","5","5","1","7","2","1","1") = "6"
    & skf21("3","5","5","1","7","2","2","1") = "6"
    & skf21("3","5","5","1","7","2","3","1") = "6"
    & skf21("3","5","5","1","7","2","4","1") = "6"
    & skf21("3","5","5","1","7","2","5","1") = "6"
    & skf21("3","5","5","1","7","2","6","1") = "6"
    & skf21("3","5","5","1","7","2","7","1") = "6"
    & skf21("3","5","5","1","7","3","1","1") = "6"
    & skf21("3","5","5","1","7","3","2","1") = "6"
    & skf21("3","5","5","1","7","3","3","1") = "6"
    & skf21("3","5","5","1","7","3","4","1") = "6"
    & skf21("3","5","5","1","7","3","5","1") = "6"
    & skf21("3","5","5","1","7","3","6","1") = "6"
    & skf21("3","5","5","1","7","3","7","1") = "6"
    & skf21("3","5","5","1","7","4","1","1") = "6"
    & skf21("3","5","5","1","7","4","2","1") = "6"
    & skf21("3","5","5","1","7","4","3","1") = "6"
    & skf21("3","5","5","1","7","4","4","1") = "6"
    & skf21("3","5","5","1","7","4","5","1") = "6"
    & skf21("3","5","5","1","7","4","6","1") = "6"
    & skf21("3","5","5","1","7","4","7","1") = "6"
    & skf21("3","5","5","1","7","5","1","1") = "6"
    & skf21("3","5","5","1","7","5","2","1") = "6"
    & skf21("3","5","5","1","7","5","3","1") = "6"
    & skf21("3","5","5","1","7","5","4","1") = "6"
    & skf21("3","5","5","1","7","5","5","1") = "6"
    & skf21("3","5","5","1","7","5","6","1") = "6"
    & skf21("3","5","5","1","7","5","7","1") = "6"
    & skf21("3","5","5","1","7","6","1","1") = "6"
    & skf21("3","5","5","1","7","6","2","1") = "6"
    & skf21("3","5","5","1","7","6","3","1") = "6"
    & skf21("3","5","5","1","7","6","4","1") = "6"
    & skf21("3","5","5","1","7","6","5","1") = "6"
    & skf21("3","5","5","1","7","6","6","1") = "6"
    & skf21("3","5","5","1","7","6","7","1") = "6"
    & skf21("3","5","5","1","7","7","1","1") = "6"
    & skf21("3","5","5","1","7","7","2","1") = "6"
    & skf21("3","5","5","1","7","7","3","1") = "6"
    & skf21("3","5","5","1","7","7","4","1") = "6"
    & skf21("3","5","5","1","7","7","5","1") = "6"
    & skf21("3","5","5","1","7","7","6","1") = "6"
    & skf21("3","5","5","1","7","7","7","1") = "6"
    & skf21("3","5","5","2","1","1","1","1") = "4"
    & skf21("3","5","5","2","1","1","2","1") = "4"
    & skf21("3","5","5","2","1","1","3","1") = "4"
    & skf21("3","5","5","2","1","1","4","1") = "4"
    & skf21("3","5","5","2","1","1","5","1") = "4"
    & skf21("3","5","5","2","1","1","6","1") = "5"
    & skf21("3","5","5","2","1","1","7","1") = "6"
    & skf21("3","5","5","2","1","2","1","1") = "4"
    & skf21("3","5","5","2","1","2","2","1") = "4"
    & skf21("3","5","5","2","1","2","3","1") = "4"
    & skf21("3","5","5","2","1","2","4","1") = "4"
    & skf21("3","5","5","2","1","2","5","1") = "4"
    & skf21("3","5","5","2","1","2","6","1") = "5"
    & skf21("3","5","5","2","1","2","7","1") = "6"
    & skf21("3","5","5","2","1","3","1","1") = "4"
    & skf21("3","5","5","2","1","3","2","1") = "4"
    & skf21("3","5","5","2","1","3","3","1") = "4"
    & skf21("3","5","5","2","1","3","4","1") = "4"
    & skf21("3","5","5","2","1","3","5","1") = "4"
    & skf21("3","5","5","2","1","3","6","1") = "5"
    & skf21("3","5","5","2","1","3","7","1") = "6"
    & skf21("3","5","5","2","1","4","1","1") = "4"
    & skf21("3","5","5","2","1","4","2","1") = "4"
    & skf21("3","5","5","2","1","4","3","1") = "4"
    & skf21("3","5","5","2","1","4","4","1") = "4"
    & skf21("3","5","5","2","1","4","5","1") = "4"
    & skf21("3","5","5","2","1","4","6","1") = "5"
    & skf21("3","5","5","2","1","4","7","1") = "6"
    & skf21("3","5","5","2","1","5","1","1") = "4"
    & skf21("3","5","5","2","1","5","2","1") = "4"
    & skf21("3","5","5","2","1","5","3","1") = "4"
    & skf21("3","5","5","2","1","5","4","1") = "4"
    & skf21("3","5","5","2","1","5","5","1") = "4"
    & skf21("3","5","5","2","1","5","6","1") = "5"
    & skf21("3","5","5","2","1","5","7","1") = "6"
    & skf21("3","5","5","2","1","6","1","1") = "5"
    & skf21("3","5","5","2","1","6","2","1") = "5"
    & skf21("3","5","5","2","1","6","3","1") = "5"
    & skf21("3","5","5","2","1","6","4","1") = "5"
    & skf21("3","5","5","2","1","6","5","1") = "5"
    & skf21("3","5","5","2","1","6","6","1") = "5"
    & skf21("3","5","5","2","1","6","7","1") = "6"
    & skf21("3","5","5","2","1","7","1","1") = "6"
    & skf21("3","5","5","2","1","7","2","1") = "6"
    & skf21("3","5","5","2","1","7","3","1") = "6"
    & skf21("3","5","5","2","1","7","4","1") = "6"
    & skf21("3","5","5","2","1","7","5","1") = "6"
    & skf21("3","5","5","2","1","7","6","1") = "6"
    & skf21("3","5","5","2","1","7","7","1") = "6"
    & skf21("3","5","5","2","2","1","1","1") = "4"
    & skf21("3","5","5","2","2","1","2","1") = "4"
    & skf21("3","5","5","2","2","1","3","1") = "4"
    & skf21("3","5","5","2","2","1","4","1") = "4"
    & skf21("3","5","5","2","2","1","5","1") = "4"
    & skf21("3","5","5","2","2","1","6","1") = "5"
    & skf21("3","5","5","2","2","1","7","1") = "6"
    & skf21("3","5","5","2","2","2","1","1") = "4"
    & skf21("3","5","5","2","2","2","2","1") = "4"
    & skf21("3","5","5","2","2","2","3","1") = "4"
    & skf21("3","5","5","2","2","2","4","1") = "4"
    & skf21("3","5","5","2","2","2","5","1") = "4"
    & skf21("3","5","5","2","2","2","6","1") = "5"
    & skf21("3","5","5","2","2","2","7","1") = "6"
    & skf21("3","5","5","2","2","3","1","1") = "4"
    & skf21("3","5","5","2","2","3","2","1") = "4"
    & skf21("3","5","5","2","2","3","3","1") = "4"
    & skf21("3","5","5","2","2","3","4","1") = "4"
    & skf21("3","5","5","2","2","3","5","1") = "4"
    & skf21("3","5","5","2","2","3","6","1") = "5"
    & skf21("3","5","5","2","2","3","7","1") = "6"
    & skf21("3","5","5","2","2","4","1","1") = "4"
    & skf21("3","5","5","2","2","4","2","1") = "4"
    & skf21("3","5","5","2","2","4","3","1") = "4"
    & skf21("3","5","5","2","2","4","4","1") = "4"
    & skf21("3","5","5","2","2","4","5","1") = "4"
    & skf21("3","5","5","2","2","4","6","1") = "5"
    & skf21("3","5","5","2","2","4","7","1") = "6"
    & skf21("3","5","5","2","2","5","1","1") = "4"
    & skf21("3","5","5","2","2","5","2","1") = "4"
    & skf21("3","5","5","2","2","5","3","1") = "4"
    & skf21("3","5","5","2","2","5","4","1") = "4"
    & skf21("3","5","5","2","2","5","5","1") = "4"
    & skf21("3","5","5","2","2","5","6","1") = "5"
    & skf21("3","5","5","2","2","5","7","1") = "6"
    & skf21("3","5","5","2","2","6","1","1") = "5"
    & skf21("3","5","5","2","2","6","2","1") = "5"
    & skf21("3","5","5","2","2","6","3","1") = "5"
    & skf21("3","5","5","2","2","6","4","1") = "5"
    & skf21("3","5","5","2","2","6","5","1") = "5"
    & skf21("3","5","5","2","2","6","6","1") = "5"
    & skf21("3","5","5","2","2","6","7","1") = "6"
    & skf21("3","5","5","2","2","7","1","1") = "6"
    & skf21("3","5","5","2","2","7","2","1") = "6"
    & skf21("3","5","5","2","2","7","3","1") = "6"
    & skf21("3","5","5","2","2","7","4","1") = "6"
    & skf21("3","5","5","2","2","7","5","1") = "6"
    & skf21("3","5","5","2","2","7","6","1") = "6"
    & skf21("3","5","5","2","2","7","7","1") = "6"
    & skf21("3","5","5","2","3","1","1","1") = "4"
    & skf21("3","5","5","2","3","1","2","1") = "4"
    & skf21("3","5","5","2","3","1","3","1") = "4"
    & skf21("3","5","5","2","3","1","4","1") = "4"
    & skf21("3","5","5","2","3","1","5","1") = "4"
    & skf21("3","5","5","2","3","1","6","1") = "5"
    & skf21("3","5","5","2","3","1","7","1") = "6"
    & skf21("3","5","5","2","3","2","1","1") = "4"
    & skf21("3","5","5","2","3","2","2","1") = "4"
    & skf21("3","5","5","2","3","2","3","1") = "4"
    & skf21("3","5","5","2","3","2","4","1") = "4"
    & skf21("3","5","5","2","3","2","5","1") = "4"
    & skf21("3","5","5","2","3","2","6","1") = "5"
    & skf21("3","5","5","2","3","2","7","1") = "6"
    & skf21("3","5","5","2","3","3","1","1") = "4"
    & skf21("3","5","5","2","3","3","2","1") = "4"
    & skf21("3","5","5","2","3","3","3","1") = "4"
    & skf21("3","5","5","2","3","3","4","1") = "4"
    & skf21("3","5","5","2","3","3","5","1") = "4"
    & skf21("3","5","5","2","3","3","6","1") = "5"
    & skf21("3","5","5","2","3","3","7","1") = "6"
    & skf21("3","5","5","2","3","4","1","1") = "4"
    & skf21("3","5","5","2","3","4","2","1") = "4"
    & skf21("3","5","5","2","3","4","3","1") = "4"
    & skf21("3","5","5","2","3","4","4","1") = "4"
    & skf21("3","5","5","2","3","4","5","1") = "4"
    & skf21("3","5","5","2","3","4","6","1") = "5"
    & skf21("3","5","5","2","3","4","7","1") = "6"
    & skf21("3","5","5","2","3","5","1","1") = "4"
    & skf21("3","5","5","2","3","5","2","1") = "4"
    & skf21("3","5","5","2","3","5","3","1") = "4"
    & skf21("3","5","5","2","3","5","4","1") = "4"
    & skf21("3","5","5","2","3","5","5","1") = "4"
    & skf21("3","5","5","2","3","5","6","1") = "5"
    & skf21("3","5","5","2","3","5","7","1") = "6"
    & skf21("3","5","5","2","3","6","1","1") = "5"
    & skf21("3","5","5","2","3","6","2","1") = "5"
    & skf21("3","5","5","2","3","6","3","1") = "5"
    & skf21("3","5","5","2","3","6","4","1") = "5"
    & skf21("3","5","5","2","3","6","5","1") = "5"
    & skf21("3","5","5","2","3","6","6","1") = "5"
    & skf21("3","5","5","2","3","6","7","1") = "6"
    & skf21("3","5","5","2","3","7","1","1") = "6"
    & skf21("3","5","5","2","3","7","2","1") = "6"
    & skf21("3","5","5","2","3","7","3","1") = "6"
    & skf21("3","5","5","2","3","7","4","1") = "6"
    & skf21("3","5","5","2","3","7","5","1") = "6"
    & skf21("3","5","5","2","3","7","6","1") = "6"
    & skf21("3","5","5","2","3","7","7","1") = "6"
    & skf21("3","5","5","2","4","1","1","1") = "4"
    & skf21("3","5","5","2","4","1","2","1") = "4"
    & skf21("3","5","5","2","4","1","3","1") = "4"
    & skf21("3","5","5","2","4","1","4","1") = "4"
    & skf21("3","5","5","2","4","1","5","1") = "4"
    & skf21("3","5","5","2","4","1","6","1") = "5"
    & skf21("3","5","5","2","4","1","7","1") = "6"
    & skf21("3","5","5","2","4","2","1","1") = "4"
    & skf21("3","5","5","2","4","2","2","1") = "4"
    & skf21("3","5","5","2","4","2","3","1") = "4"
    & skf21("3","5","5","2","4","2","4","1") = "4"
    & skf21("3","5","5","2","4","2","5","1") = "4"
    & skf21("3","5","5","2","4","2","6","1") = "5"
    & skf21("3","5","5","2","4","2","7","1") = "6"
    & skf21("3","5","5","2","4","3","1","1") = "4"
    & skf21("3","5","5","2","4","3","2","1") = "4"
    & skf21("3","5","5","2","4","3","3","1") = "4"
    & skf21("3","5","5","2","4","3","4","1") = "4"
    & skf21("3","5","5","2","4","3","5","1") = "4"
    & skf21("3","5","5","2","4","3","6","1") = "5"
    & skf21("3","5","5","2","4","3","7","1") = "6"
    & skf21("3","5","5","2","4","4","1","1") = "4"
    & skf21("3","5","5","2","4","4","2","1") = "4"
    & skf21("3","5","5","2","4","4","3","1") = "4"
    & skf21("3","5","5","2","4","4","4","1") = "4"
    & skf21("3","5","5","2","4","4","5","1") = "4"
    & skf21("3","5","5","2","4","4","6","1") = "5"
    & skf21("3","5","5","2","4","4","7","1") = "6"
    & skf21("3","5","5","2","4","5","1","1") = "4"
    & skf21("3","5","5","2","4","5","2","1") = "4"
    & skf21("3","5","5","2","4","5","3","1") = "4"
    & skf21("3","5","5","2","4","5","4","1") = "4"
    & skf21("3","5","5","2","4","5","5","1") = "4"
    & skf21("3","5","5","2","4","5","6","1") = "5"
    & skf21("3","5","5","2","4","5","7","1") = "6"
    & skf21("3","5","5","2","4","6","1","1") = "5"
    & skf21("3","5","5","2","4","6","2","1") = "5"
    & skf21("3","5","5","2","4","6","3","1") = "5"
    & skf21("3","5","5","2","4","6","4","1") = "5"
    & skf21("3","5","5","2","4","6","5","1") = "5"
    & skf21("3","5","5","2","4","6","6","1") = "5"
    & skf21("3","5","5","2","4","6","7","1") = "6"
    & skf21("3","5","5","2","4","7","1","1") = "6"
    & skf21("3","5","5","2","4","7","2","1") = "6"
    & skf21("3","5","5","2","4","7","3","1") = "6"
    & skf21("3","5","5","2","4","7","4","1") = "6"
    & skf21("3","5","5","2","4","7","5","1") = "6"
    & skf21("3","5","5","2","4","7","6","1") = "6"
    & skf21("3","5","5","2","4","7","7","1") = "6"
    & skf21("3","5","5","2","5","1","1","1") = "4"
    & skf21("3","5","5","2","5","1","2","1") = "4"
    & skf21("3","5","5","2","5","1","3","1") = "4"
    & skf21("3","5","5","2","5","1","4","1") = "4"
    & skf21("3","5","5","2","5","1","5","1") = "4"
    & skf21("3","5","5","2","5","1","6","1") = "5"
    & skf21("3","5","5","2","5","1","7","1") = "6"
    & skf21("3","5","5","2","5","2","1","1") = "4"
    & skf21("3","5","5","2","5","2","2","1") = "4"
    & skf21("3","5","5","2","5","2","3","1") = "4"
    & skf21("3","5","5","2","5","2","4","1") = "4"
    & skf21("3","5","5","2","5","2","5","1") = "4"
    & skf21("3","5","5","2","5","2","6","1") = "5"
    & skf21("3","5","5","2","5","2","7","1") = "6"
    & skf21("3","5","5","2","5","3","1","1") = "4"
    & skf21("3","5","5","2","5","3","2","1") = "4"
    & skf21("3","5","5","2","5","3","3","1") = "4"
    & skf21("3","5","5","2","5","3","4","1") = "4"
    & skf21("3","5","5","2","5","3","5","1") = "4"
    & skf21("3","5","5","2","5","3","6","1") = "5"
    & skf21("3","5","5","2","5","3","7","1") = "6"
    & skf21("3","5","5","2","5","4","1","1") = "4"
    & skf21("3","5","5","2","5","4","2","1") = "4"
    & skf21("3","5","5","2","5","4","3","1") = "4"
    & skf21("3","5","5","2","5","4","4","1") = "4"
    & skf21("3","5","5","2","5","4","5","1") = "4"
    & skf21("3","5","5","2","5","4","6","1") = "5"
    & skf21("3","5","5","2","5","4","7","1") = "6"
    & skf21("3","5","5","2","5","5","1","1") = "4"
    & skf21("3","5","5","2","5","5","2","1") = "4"
    & skf21("3","5","5","2","5","5","3","1") = "4"
    & skf21("3","5","5","2","5","5","4","1") = "4"
    & skf21("3","5","5","2","5","5","5","1") = "4"
    & skf21("3","5","5","2","5","5","6","1") = "5"
    & skf21("3","5","5","2","5","5","7","1") = "6"
    & skf21("3","5","5","2","5","6","1","1") = "5"
    & skf21("3","5","5","2","5","6","2","1") = "5"
    & skf21("3","5","5","2","5","6","3","1") = "5"
    & skf21("3","5","5","2","5","6","4","1") = "5"
    & skf21("3","5","5","2","5","6","5","1") = "5"
    & skf21("3","5","5","2","5","6","6","1") = "5"
    & skf21("3","5","5","2","5","6","7","1") = "6"
    & skf21("3","5","5","2","5","7","1","1") = "6"
    & skf21("3","5","5","2","5","7","2","1") = "6"
    & skf21("3","5","5","2","5","7","3","1") = "6"
    & skf21("3","5","5","2","5","7","4","1") = "6"
    & skf21("3","5","5","2","5","7","5","1") = "6"
    & skf21("3","5","5","2","5","7","6","1") = "6"
    & skf21("3","5","5","2","5","7","7","1") = "6"
    & skf21("3","5","5","2","6","1","1","1") = "5"
    & skf21("3","5","5","2","6","1","2","1") = "5"
    & skf21("3","5","5","2","6","1","3","1") = "5"
    & skf21("3","5","5","2","6","1","4","1") = "5"
    & skf21("3","5","5","2","6","1","5","1") = "5"
    & skf21("3","5","5","2","6","1","6","1") = "5"
    & skf21("3","5","5","2","6","1","7","1") = "6"
    & skf21("3","5","5","2","6","2","1","1") = "5"
    & skf21("3","5","5","2","6","2","2","1") = "5"
    & skf21("3","5","5","2","6","2","3","1") = "5"
    & skf21("3","5","5","2","6","2","4","1") = "5"
    & skf21("3","5","5","2","6","2","5","1") = "5"
    & skf21("3","5","5","2","6","2","6","1") = "5"
    & skf21("3","5","5","2","6","2","7","1") = "6"
    & skf21("3","5","5","2","6","3","1","1") = "5"
    & skf21("3","5","5","2","6","3","2","1") = "5"
    & skf21("3","5","5","2","6","3","3","1") = "5"
    & skf21("3","5","5","2","6","3","4","1") = "5"
    & skf21("3","5","5","2","6","3","5","1") = "5"
    & skf21("3","5","5","2","6","3","6","1") = "5"
    & skf21("3","5","5","2","6","3","7","1") = "6"
    & skf21("3","5","5","2","6","4","1","1") = "5"
    & skf21("3","5","5","2","6","4","2","1") = "5"
    & skf21("3","5","5","2","6","4","3","1") = "5"
    & skf21("3","5","5","2","6","4","4","1") = "5"
    & skf21("3","5","5","2","6","4","5","1") = "5"
    & skf21("3","5","5","2","6","4","6","1") = "5"
    & skf21("3","5","5","2","6","4","7","1") = "6"
    & skf21("3","5","5","2","6","5","1","1") = "5"
    & skf21("3","5","5","2","6","5","2","1") = "5"
    & skf21("3","5","5","2","6","5","3","1") = "5"
    & skf21("3","5","5","2","6","5","4","1") = "5"
    & skf21("3","5","5","2","6","5","5","1") = "5"
    & skf21("3","5","5","2","6","5","6","1") = "5"
    & skf21("3","5","5","2","6","5","7","1") = "6"
    & skf21("3","5","5","2","6","6","1","1") = "5"
    & skf21("3","5","5","2","6","6","2","1") = "5"
    & skf21("3","5","5","2","6","6","3","1") = "5"
    & skf21("3","5","5","2","6","6","4","1") = "5"
    & skf21("3","5","5","2","6","6","5","1") = "5"
    & skf21("3","5","5","2","6","6","6","1") = "5"
    & skf21("3","5","5","2","6","6","7","1") = "6"
    & skf21("3","5","5","2","6","7","1","1") = "6"
    & skf21("3","5","5","2","6","7","2","1") = "6"
    & skf21("3","5","5","2","6","7","3","1") = "6"
    & skf21("3","5","5","2","6","7","4","1") = "6"
    & skf21("3","5","5","2","6","7","5","1") = "6"
    & skf21("3","5","5","2","6","7","6","1") = "6"
    & skf21("3","5","5","2","6","7","7","1") = "6"
    & skf21("3","5","5","2","7","1","1","1") = "6"
    & skf21("3","5","5","2","7","1","2","1") = "6"
    & skf21("3","5","5","2","7","1","3","1") = "6"
    & skf21("3","5","5","2","7","1","4","1") = "6"
    & skf21("3","5","5","2","7","1","5","1") = "6"
    & skf21("3","5","5","2","7","1","6","1") = "6"
    & skf21("3","5","5","2","7","1","7","1") = "6"
    & skf21("3","5","5","2","7","2","1","1") = "6"
    & skf21("3","5","5","2","7","2","2","1") = "6"
    & skf21("3","5","5","2","7","2","3","1") = "6"
    & skf21("3","5","5","2","7","2","4","1") = "6"
    & skf21("3","5","5","2","7","2","5","1") = "6"
    & skf21("3","5","5","2","7","2","6","1") = "6"
    & skf21("3","5","5","2","7","2","7","1") = "6"
    & skf21("3","5","5","2","7","3","1","1") = "6"
    & skf21("3","5","5","2","7","3","2","1") = "6"
    & skf21("3","5","5","2","7","3","3","1") = "6"
    & skf21("3","5","5","2","7","3","4","1") = "6"
    & skf21("3","5","5","2","7","3","5","1") = "6"
    & skf21("3","5","5","2","7","3","6","1") = "6"
    & skf21("3","5","5","2","7","3","7","1") = "6"
    & skf21("3","5","5","2","7","4","1","1") = "6"
    & skf21("3","5","5","2","7","4","2","1") = "6"
    & skf21("3","5","5","2","7","4","3","1") = "6"
    & skf21("3","5","5","2","7","4","4","1") = "6"
    & skf21("3","5","5","2","7","4","5","1") = "6"
    & skf21("3","5","5","2","7","4","6","1") = "6"
    & skf21("3","5","5","2","7","4","7","1") = "6"
    & skf21("3","5","5","2","7","5","1","1") = "6"
    & skf21("3","5","5","2","7","5","2","1") = "6"
    & skf21("3","5","5","2","7","5","3","1") = "6"
    & skf21("3","5","5","2","7","5","4","1") = "6"
    & skf21("3","5","5","2","7","5","5","1") = "6"
    & skf21("3","5","5","2","7","5","6","1") = "6"
    & skf21("3","5","5","2","7","5","7","1") = "6"
    & skf21("3","5","5","2","7","6","1","1") = "6"
    & skf21("3","5","5","2","7","6","2","1") = "6"
    & skf21("3","5","5","2","7","6","3","1") = "6"
    & skf21("3","5","5","2","7","6","4","1") = "6"
    & skf21("3","5","5","2","7","6","5","1") = "6"
    & skf21("3","5","5","2","7","6","6","1") = "6"
    & skf21("3","5","5","2","7","6","7","1") = "6"
    & skf21("3","5","5","2","7","7","1","1") = "6"
    & skf21("3","5","5","2","7","7","2","1") = "6"
    & skf21("3","5","5","2","7","7","3","1") = "6"
    & skf21("3","5","5","2","7","7","4","1") = "6"
    & skf21("3","5","5","2","7","7","5","1") = "6"
    & skf21("3","5","5","2","7","7","6","1") = "6"
    & skf21("3","5","5","2","7","7","7","1") = "6"
    & skf21("3","5","5","3","1","1","1","1") = "4"
    & skf21("3","5","5","3","1","1","2","1") = "4"
    & skf21("3","5","5","3","1","1","3","1") = "4"
    & skf21("3","5","5","3","1","1","4","1") = "4"
    & skf21("3","5","5","3","1","1","5","1") = "4"
    & skf21("3","5","5","3","1","1","6","1") = "5"
    & skf21("3","5","5","3","1","1","7","1") = "6"
    & skf21("3","5","5","3","1","2","1","1") = "4"
    & skf21("3","5","5","3","1","2","2","1") = "4"
    & skf21("3","5","5","3","1","2","3","1") = "4"
    & skf21("3","5","5","3","1","2","4","1") = "4"
    & skf21("3","5","5","3","1","2","5","1") = "4"
    & skf21("3","5","5","3","1","2","6","1") = "5"
    & skf21("3","5","5","3","1","2","7","1") = "6"
    & skf21("3","5","5","3","1","3","1","1") = "4"
    & skf21("3","5","5","3","1","3","2","1") = "4"
    & skf21("3","5","5","3","1","3","3","1") = "4"
    & skf21("3","5","5","3","1","3","4","1") = "4"
    & skf21("3","5","5","3","1","3","5","1") = "4"
    & skf21("3","5","5","3","1","3","6","1") = "5"
    & skf21("3","5","5","3","1","3","7","1") = "6"
    & skf21("3","5","5","3","1","4","1","1") = "4"
    & skf21("3","5","5","3","1","4","2","1") = "4"
    & skf21("3","5","5","3","1","4","3","1") = "4"
    & skf21("3","5","5","3","1","4","4","1") = "4"
    & skf21("3","5","5","3","1","4","5","1") = "4"
    & skf21("3","5","5","3","1","4","6","1") = "5"
    & skf21("3","5","5","3","1","4","7","1") = "6"
    & skf21("3","5","5","3","1","5","1","1") = "4"
    & skf21("3","5","5","3","1","5","2","1") = "4"
    & skf21("3","5","5","3","1","5","3","1") = "4"
    & skf21("3","5","5","3","1","5","4","1") = "4"
    & skf21("3","5","5","3","1","5","5","1") = "4"
    & skf21("3","5","5","3","1","5","6","1") = "5"
    & skf21("3","5","5","3","1","5","7","1") = "6"
    & skf21("3","5","5","3","1","6","1","1") = "5"
    & skf21("3","5","5","3","1","6","2","1") = "5"
    & skf21("3","5","5","3","1","6","3","1") = "5"
    & skf21("3","5","5","3","1","6","4","1") = "5"
    & skf21("3","5","5","3","1","6","5","1") = "5"
    & skf21("3","5","5","3","1","6","6","1") = "5"
    & skf21("3","5","5","3","1","6","7","1") = "6"
    & skf21("3","5","5","3","1","7","1","1") = "6"
    & skf21("3","5","5","3","1","7","2","1") = "6"
    & skf21("3","5","5","3","1","7","3","1") = "6"
    & skf21("3","5","5","3","1","7","4","1") = "6"
    & skf21("3","5","5","3","1","7","5","1") = "6"
    & skf21("3","5","5","3","1","7","6","1") = "6"
    & skf21("3","5","5","3","1","7","7","1") = "6"
    & skf21("3","5","5","3","2","1","1","1") = "4"
    & skf21("3","5","5","3","2","1","2","1") = "4"
    & skf21("3","5","5","3","2","1","3","1") = "4"
    & skf21("3","5","5","3","2","1","4","1") = "4"
    & skf21("3","5","5","3","2","1","5","1") = "4"
    & skf21("3","5","5","3","2","1","6","1") = "5"
    & skf21("3","5","5","3","2","1","7","1") = "6"
    & skf21("3","5","5","3","2","2","1","1") = "4"
    & skf21("3","5","5","3","2","2","2","1") = "4"
    & skf21("3","5","5","3","2","2","3","1") = "4"
    & skf21("3","5","5","3","2","2","4","1") = "4"
    & skf21("3","5","5","3","2","2","5","1") = "4"
    & skf21("3","5","5","3","2","2","6","1") = "5"
    & skf21("3","5","5","3","2","2","7","1") = "6"
    & skf21("3","5","5","3","2","3","1","1") = "4"
    & skf21("3","5","5","3","2","3","2","1") = "4"
    & skf21("3","5","5","3","2","3","3","1") = "4"
    & skf21("3","5","5","3","2","3","4","1") = "4"
    & skf21("3","5","5","3","2","3","5","1") = "4"
    & skf21("3","5","5","3","2","3","6","1") = "5"
    & skf21("3","5","5","3","2","3","7","1") = "6"
    & skf21("3","5","5","3","2","4","1","1") = "4"
    & skf21("3","5","5","3","2","4","2","1") = "4"
    & skf21("3","5","5","3","2","4","3","1") = "4"
    & skf21("3","5","5","3","2","4","4","1") = "4"
    & skf21("3","5","5","3","2","4","5","1") = "4"
    & skf21("3","5","5","3","2","4","6","1") = "5"
    & skf21("3","5","5","3","2","4","7","1") = "6"
    & skf21("3","5","5","3","2","5","1","1") = "4"
    & skf21("3","5","5","3","2","5","2","1") = "4"
    & skf21("3","5","5","3","2","5","3","1") = "4"
    & skf21("3","5","5","3","2","5","4","1") = "4"
    & skf21("3","5","5","3","2","5","5","1") = "4"
    & skf21("3","5","5","3","2","5","6","1") = "5"
    & skf21("3","5","5","3","2","5","7","1") = "6"
    & skf21("3","5","5","3","2","6","1","1") = "5"
    & skf21("3","5","5","3","2","6","2","1") = "5"
    & skf21("3","5","5","3","2","6","3","1") = "5"
    & skf21("3","5","5","3","2","6","4","1") = "5"
    & skf21("3","5","5","3","2","6","5","1") = "5"
    & skf21("3","5","5","3","2","6","6","1") = "5"
    & skf21("3","5","5","3","2","6","7","1") = "6"
    & skf21("3","5","5","3","2","7","1","1") = "6"
    & skf21("3","5","5","3","2","7","2","1") = "6"
    & skf21("3","5","5","3","2","7","3","1") = "6"
    & skf21("3","5","5","3","2","7","4","1") = "6"
    & skf21("3","5","5","3","2","7","5","1") = "6"
    & skf21("3","5","5","3","2","7","6","1") = "6"
    & skf21("3","5","5","3","2","7","7","1") = "6"
    & skf21("3","5","5","3","3","1","1","1") = "4"
    & skf21("3","5","5","3","3","1","2","1") = "4"
    & skf21("3","5","5","3","3","1","3","1") = "4"
    & skf21("3","5","5","3","3","1","4","1") = "4"
    & skf21("3","5","5","3","3","1","5","1") = "4"
    & skf21("3","5","5","3","3","1","6","1") = "5"
    & skf21("3","5","5","3","3","1","7","1") = "6"
    & skf21("3","5","5","3","3","2","1","1") = "4"
    & skf21("3","5","5","3","3","2","2","1") = "4"
    & skf21("3","5","5","3","3","2","3","1") = "4"
    & skf21("3","5","5","3","3","2","4","1") = "4"
    & skf21("3","5","5","3","3","2","5","1") = "4"
    & skf21("3","5","5","3","3","2","6","1") = "5"
    & skf21("3","5","5","3","3","2","7","1") = "6"
    & skf21("3","5","5","3","3","3","1","1") = "4"
    & skf21("3","5","5","3","3","3","2","1") = "4"
    & skf21("3","5","5","3","3","3","3","1") = "4"
    & skf21("3","5","5","3","3","3","4","1") = "4"
    & skf21("3","5","5","3","3","3","5","1") = "4"
    & skf21("3","5","5","3","3","3","6","1") = "5"
    & skf21("3","5","5","3","3","3","7","1") = "6"
    & skf21("3","5","5","3","3","4","1","1") = "4"
    & skf21("3","5","5","3","3","4","2","1") = "4"
    & skf21("3","5","5","3","3","4","3","1") = "4"
    & skf21("3","5","5","3","3","4","4","1") = "4"
    & skf21("3","5","5","3","3","4","5","1") = "4"
    & skf21("3","5","5","3","3","4","6","1") = "5"
    & skf21("3","5","5","3","3","4","7","1") = "6"
    & skf21("3","5","5","3","3","5","1","1") = "4"
    & skf21("3","5","5","3","3","5","2","1") = "4"
    & skf21("3","5","5","3","3","5","3","1") = "4"
    & skf21("3","5","5","3","3","5","4","1") = "4"
    & skf21("3","5","5","3","3","5","5","1") = "4"
    & skf21("3","5","5","3","3","5","6","1") = "5"
    & skf21("3","5","5","3","3","5","7","1") = "6"
    & skf21("3","5","5","3","3","6","1","1") = "5"
    & skf21("3","5","5","3","3","6","2","1") = "5"
    & skf21("3","5","5","3","3","6","3","1") = "5"
    & skf21("3","5","5","3","3","6","4","1") = "5"
    & skf21("3","5","5","3","3","6","5","1") = "5"
    & skf21("3","5","5","3","3","6","6","1") = "5"
    & skf21("3","5","5","3","3","6","7","1") = "6"
    & skf21("3","5","5","3","3","7","1","1") = "6"
    & skf21("3","5","5","3","3","7","2","1") = "6"
    & skf21("3","5","5","3","3","7","3","1") = "6"
    & skf21("3","5","5","3","3","7","4","1") = "6"
    & skf21("3","5","5","3","3","7","5","1") = "6"
    & skf21("3","5","5","3","3","7","6","1") = "6"
    & skf21("3","5","5","3","3","7","7","1") = "6"
    & skf21("3","5","5","3","4","1","1","1") = "4"
    & skf21("3","5","5","3","4","1","2","1") = "4"
    & skf21("3","5","5","3","4","1","3","1") = "4"
    & skf21("3","5","5","3","4","1","4","1") = "4"
    & skf21("3","5","5","3","4","1","5","1") = "4"
    & skf21("3","5","5","3","4","1","6","1") = "5"
    & skf21("3","5","5","3","4","1","7","1") = "6"
    & skf21("3","5","5","3","4","2","1","1") = "4"
    & skf21("3","5","5","3","4","2","2","1") = "4"
    & skf21("3","5","5","3","4","2","3","1") = "4"
    & skf21("3","5","5","3","4","2","4","1") = "4"
    & skf21("3","5","5","3","4","2","5","1") = "4"
    & skf21("3","5","5","3","4","2","6","1") = "5"
    & skf21("3","5","5","3","4","2","7","1") = "6"
    & skf21("3","5","5","3","4","3","1","1") = "4"
    & skf21("3","5","5","3","4","3","2","1") = "4"
    & skf21("3","5","5","3","4","3","3","1") = "4"
    & skf21("3","5","5","3","4","3","4","1") = "4"
    & skf21("3","5","5","3","4","3","5","1") = "4"
    & skf21("3","5","5","3","4","3","6","1") = "5"
    & skf21("3","5","5","3","4","3","7","1") = "6"
    & skf21("3","5","5","3","4","4","1","1") = "4"
    & skf21("3","5","5","3","4","4","2","1") = "4"
    & skf21("3","5","5","3","4","4","3","1") = "4"
    & skf21("3","5","5","3","4","4","4","1") = "4"
    & skf21("3","5","5","3","4","4","5","1") = "4"
    & skf21("3","5","5","3","4","4","6","1") = "5"
    & skf21("3","5","5","3","4","4","7","1") = "6"
    & skf21("3","5","5","3","4","5","1","1") = "4"
    & skf21("3","5","5","3","4","5","2","1") = "4"
    & skf21("3","5","5","3","4","5","3","1") = "4"
    & skf21("3","5","5","3","4","5","4","1") = "4"
    & skf21("3","5","5","3","4","5","5","1") = "4"
    & skf21("3","5","5","3","4","5","6","1") = "5"
    & skf21("3","5","5","3","4","5","7","1") = "6"
    & skf21("3","5","5","3","4","6","1","1") = "5"
    & skf21("3","5","5","3","4","6","2","1") = "5"
    & skf21("3","5","5","3","4","6","3","1") = "5"
    & skf21("3","5","5","3","4","6","4","1") = "5"
    & skf21("3","5","5","3","4","6","5","1") = "5"
    & skf21("3","5","5","3","4","6","6","1") = "5"
    & skf21("3","5","5","3","4","6","7","1") = "6"
    & skf21("3","5","5","3","4","7","1","1") = "6"
    & skf21("3","5","5","3","4","7","2","1") = "6"
    & skf21("3","5","5","3","4","7","3","1") = "6"
    & skf21("3","5","5","3","4","7","4","1") = "6"
    & skf21("3","5","5","3","4","7","5","1") = "6"
    & skf21("3","5","5","3","4","7","6","1") = "6"
    & skf21("3","5","5","3","4","7","7","1") = "6"
    & skf21("3","5","5","3","5","1","1","1") = "4"
    & skf21("3","5","5","3","5","1","2","1") = "4"
    & skf21("3","5","5","3","5","1","3","1") = "4"
    & skf21("3","5","5","3","5","1","4","1") = "4"
    & skf21("3","5","5","3","5","1","5","1") = "4"
    & skf21("3","5","5","3","5","1","6","1") = "5"
    & skf21("3","5","5","3","5","1","7","1") = "6"
    & skf21("3","5","5","3","5","2","1","1") = "4"
    & skf21("3","5","5","3","5","2","2","1") = "4"
    & skf21("3","5","5","3","5","2","3","1") = "4"
    & skf21("3","5","5","3","5","2","4","1") = "4"
    & skf21("3","5","5","3","5","2","5","1") = "4"
    & skf21("3","5","5","3","5","2","6","1") = "5"
    & skf21("3","5","5","3","5","2","7","1") = "6"
    & skf21("3","5","5","3","5","3","1","1") = "4"
    & skf21("3","5","5","3","5","3","2","1") = "4"
    & skf21("3","5","5","3","5","3","3","1") = "4"
    & skf21("3","5","5","3","5","3","4","1") = "4"
    & skf21("3","5","5","3","5","3","5","1") = "4"
    & skf21("3","5","5","3","5","3","6","1") = "5"
    & skf21("3","5","5","3","5","3","7","1") = "6"
    & skf21("3","5","5","3","5","4","1","1") = "4"
    & skf21("3","5","5","3","5","4","2","1") = "4"
    & skf21("3","5","5","3","5","4","3","1") = "4"
    & skf21("3","5","5","3","5","4","4","1") = "4"
    & skf21("3","5","5","3","5","4","5","1") = "4"
    & skf21("3","5","5","3","5","4","6","1") = "5"
    & skf21("3","5","5","3","5","4","7","1") = "6"
    & skf21("3","5","5","3","5","5","1","1") = "4"
    & skf21("3","5","5","3","5","5","2","1") = "4"
    & skf21("3","5","5","3","5","5","3","1") = "4"
    & skf21("3","5","5","3","5","5","4","1") = "4"
    & skf21("3","5","5","3","5","5","5","1") = "4"
    & skf21("3","5","5","3","5","5","6","1") = "5"
    & skf21("3","5","5","3","5","5","7","1") = "6"
    & skf21("3","5","5","3","5","6","1","1") = "5"
    & skf21("3","5","5","3","5","6","2","1") = "5"
    & skf21("3","5","5","3","5","6","3","1") = "5"
    & skf21("3","5","5","3","5","6","4","1") = "5"
    & skf21("3","5","5","3","5","6","5","1") = "5"
    & skf21("3","5","5","3","5","6","6","1") = "5"
    & skf21("3","5","5","3","5","6","7","1") = "6"
    & skf21("3","5","5","3","5","7","1","1") = "6"
    & skf21("3","5","5","3","5","7","2","1") = "6"
    & skf21("3","5","5","3","5","7","3","1") = "6"
    & skf21("3","5","5","3","5","7","4","1") = "6"
    & skf21("3","5","5","3","5","7","5","1") = "6"
    & skf21("3","5","5","3","5","7","6","1") = "6"
    & skf21("3","5","5","3","5","7","7","1") = "6"
    & skf21("3","5","5","3","6","1","1","1") = "5"
    & skf21("3","5","5","3","6","1","2","1") = "5"
    & skf21("3","5","5","3","6","1","3","1") = "5"
    & skf21("3","5","5","3","6","1","4","1") = "5"
    & skf21("3","5","5","3","6","1","5","1") = "5"
    & skf21("3","5","5","3","6","1","6","1") = "5"
    & skf21("3","5","5","3","6","1","7","1") = "6"
    & skf21("3","5","5","3","6","2","1","1") = "5"
    & skf21("3","5","5","3","6","2","2","1") = "5"
    & skf21("3","5","5","3","6","2","3","1") = "5"
    & skf21("3","5","5","3","6","2","4","1") = "5"
    & skf21("3","5","5","3","6","2","5","1") = "5"
    & skf21("3","5","5","3","6","2","6","1") = "5"
    & skf21("3","5","5","3","6","2","7","1") = "6"
    & skf21("3","5","5","3","6","3","1","1") = "5"
    & skf21("3","5","5","3","6","3","2","1") = "5"
    & skf21("3","5","5","3","6","3","3","1") = "5"
    & skf21("3","5","5","3","6","3","4","1") = "5"
    & skf21("3","5","5","3","6","3","5","1") = "5"
    & skf21("3","5","5","3","6","3","6","1") = "5"
    & skf21("3","5","5","3","6","3","7","1") = "6"
    & skf21("3","5","5","3","6","4","1","1") = "5"
    & skf21("3","5","5","3","6","4","2","1") = "5"
    & skf21("3","5","5","3","6","4","3","1") = "5"
    & skf21("3","5","5","3","6","4","4","1") = "5"
    & skf21("3","5","5","3","6","4","5","1") = "5"
    & skf21("3","5","5","3","6","4","6","1") = "5"
    & skf21("3","5","5","3","6","4","7","1") = "6"
    & skf21("3","5","5","3","6","5","1","1") = "5"
    & skf21("3","5","5","3","6","5","2","1") = "5"
    & skf21("3","5","5","3","6","5","3","1") = "5"
    & skf21("3","5","5","3","6","5","4","1") = "5"
    & skf21("3","5","5","3","6","5","5","1") = "5"
    & skf21("3","5","5","3","6","5","6","1") = "5"
    & skf21("3","5","5","3","6","5","7","1") = "6"
    & skf21("3","5","5","3","6","6","1","1") = "5"
    & skf21("3","5","5","3","6","6","2","1") = "5"
    & skf21("3","5","5","3","6","6","3","1") = "5"
    & skf21("3","5","5","3","6","6","4","1") = "5"
    & skf21("3","5","5","3","6","6","5","1") = "5"
    & skf21("3","5","5","3","6","6","6","1") = "5"
    & skf21("3","5","5","3","6","6","7","1") = "6"
    & skf21("3","5","5","3","6","7","1","1") = "6"
    & skf21("3","5","5","3","6","7","2","1") = "6"
    & skf21("3","5","5","3","6","7","3","1") = "6"
    & skf21("3","5","5","3","6","7","4","1") = "6"
    & skf21("3","5","5","3","6","7","5","1") = "6"
    & skf21("3","5","5","3","6","7","6","1") = "6"
    & skf21("3","5","5","3","6","7","7","1") = "6"
    & skf21("3","5","5","3","7","1","1","1") = "6"
    & skf21("3","5","5","3","7","1","2","1") = "6"
    & skf21("3","5","5","3","7","1","3","1") = "6"
    & skf21("3","5","5","3","7","1","4","1") = "6"
    & skf21("3","5","5","3","7","1","5","1") = "6"
    & skf21("3","5","5","3","7","1","6","1") = "6"
    & skf21("3","5","5","3","7","1","7","1") = "6"
    & skf21("3","5","5","3","7","2","1","1") = "6"
    & skf21("3","5","5","3","7","2","2","1") = "6"
    & skf21("3","5","5","3","7","2","3","1") = "6"
    & skf21("3","5","5","3","7","2","4","1") = "6"
    & skf21("3","5","5","3","7","2","5","1") = "6"
    & skf21("3","5","5","3","7","2","6","1") = "6"
    & skf21("3","5","5","3","7","2","7","1") = "6"
    & skf21("3","5","5","3","7","3","1","1") = "6"
    & skf21("3","5","5","3","7","3","2","1") = "6"
    & skf21("3","5","5","3","7","3","3","1") = "6"
    & skf21("3","5","5","3","7","3","4","1") = "6"
    & skf21("3","5","5","3","7","3","5","1") = "6"
    & skf21("3","5","5","3","7","3","6","1") = "6"
    & skf21("3","5","5","3","7","3","7","1") = "6"
    & skf21("3","5","5","3","7","4","1","1") = "6"
    & skf21("3","5","5","3","7","4","2","1") = "6"
    & skf21("3","5","5","3","7","4","3","1") = "6"
    & skf21("3","5","5","3","7","4","4","1") = "6"
    & skf21("3","5","5","3","7","4","5","1") = "6"
    & skf21("3","5","5","3","7","4","6","1") = "6"
    & skf21("3","5","5","3","7","4","7","1") = "6"
    & skf21("3","5","5","3","7","5","1","1") = "6"
    & skf21("3","5","5","3","7","5","2","1") = "6"
    & skf21("3","5","5","3","7","5","3","1") = "6"
    & skf21("3","5","5","3","7","5","4","1") = "6"
    & skf21("3","5","5","3","7","5","5","1") = "6"
    & skf21("3","5","5","3","7","5","6","1") = "6"
    & skf21("3","5","5","3","7","5","7","1") = "6"
    & skf21("3","5","5","3","7","6","1","1") = "6"
    & skf21("3","5","5","3","7","6","2","1") = "6"
    & skf21("3","5","5","3","7","6","3","1") = "6"
    & skf21("3","5","5","3","7","6","4","1") = "6"
    & skf21("3","5","5","3","7","6","5","1") = "6"
    & skf21("3","5","5","3","7","6","6","1") = "6"
    & skf21("3","5","5","3","7","6","7","1") = "6"
    & skf21("3","5","5","3","7","7","1","1") = "6"
    & skf21("3","5","5","3","7","7","2","1") = "6"
    & skf21("3","5","5","3","7","7","3","1") = "6"
    & skf21("3","5","5","3","7","7","4","1") = "6"
    & skf21("3","5","5","3","7","7","5","1") = "6"
    & skf21("3","5","5","3","7","7","6","1") = "6"
    & skf21("3","5","5","3","7","7","7","1") = "6"
    & skf21("3","5","5","4","1","1","1","1") = "4"
    & skf21("3","5","5","4","1","1","2","1") = "4"
    & skf21("3","5","5","4","1","1","3","1") = "4"
    & skf21("3","5","5","4","1","1","4","1") = "4"
    & skf21("3","5","5","4","1","1","5","1") = "4"
    & skf21("3","5","5","4","1","1","6","1") = "5"
    & skf21("3","5","5","4","1","1","7","1") = "6"
    & skf21("3","5","5","4","1","2","1","1") = "4"
    & skf21("3","5","5","4","1","2","2","1") = "4"
    & skf21("3","5","5","4","1","2","3","1") = "4"
    & skf21("3","5","5","4","1","2","4","1") = "4"
    & skf21("3","5","5","4","1","2","5","1") = "4"
    & skf21("3","5","5","4","1","2","6","1") = "5"
    & skf21("3","5","5","4","1","2","7","1") = "6"
    & skf21("3","5","5","4","1","3","1","1") = "4"
    & skf21("3","5","5","4","1","3","2","1") = "4"
    & skf21("3","5","5","4","1","3","3","1") = "4"
    & skf21("3","5","5","4","1","3","4","1") = "4"
    & skf21("3","5","5","4","1","3","5","1") = "4"
    & skf21("3","5","5","4","1","3","6","1") = "5"
    & skf21("3","5","5","4","1","3","7","1") = "6"
    & skf21("3","5","5","4","1","4","1","1") = "4"
    & skf21("3","5","5","4","1","4","2","1") = "4"
    & skf21("3","5","5","4","1","4","3","1") = "4"
    & skf21("3","5","5","4","1","4","4","1") = "4"
    & skf21("3","5","5","4","1","4","5","1") = "4"
    & skf21("3","5","5","4","1","4","6","1") = "5"
    & skf21("3","5","5","4","1","4","7","1") = "6"
    & skf21("3","5","5","4","1","5","1","1") = "4"
    & skf21("3","5","5","4","1","5","2","1") = "4"
    & skf21("3","5","5","4","1","5","3","1") = "4"
    & skf21("3","5","5","4","1","5","4","1") = "4"
    & skf21("3","5","5","4","1","5","5","1") = "4"
    & skf21("3","5","5","4","1","5","6","1") = "5"
    & skf21("3","5","5","4","1","5","7","1") = "6"
    & skf21("3","5","5","4","1","6","1","1") = "5"
    & skf21("3","5","5","4","1","6","2","1") = "5"
    & skf21("3","5","5","4","1","6","3","1") = "5"
    & skf21("3","5","5","4","1","6","4","1") = "5"
    & skf21("3","5","5","4","1","6","5","1") = "5"
    & skf21("3","5","5","4","1","6","6","1") = "5"
    & skf21("3","5","5","4","1","6","7","1") = "6"
    & skf21("3","5","5","4","1","7","1","1") = "6"
    & skf21("3","5","5","4","1","7","2","1") = "6"
    & skf21("3","5","5","4","1","7","3","1") = "6"
    & skf21("3","5","5","4","1","7","4","1") = "6"
    & skf21("3","5","5","4","1","7","5","1") = "6"
    & skf21("3","5","5","4","1","7","6","1") = "6"
    & skf21("3","5","5","4","1","7","7","1") = "6"
    & skf21("3","5","5","4","2","1","1","1") = "4"
    & skf21("3","5","5","4","2","1","2","1") = "4"
    & skf21("3","5","5","4","2","1","3","1") = "4"
    & skf21("3","5","5","4","2","1","4","1") = "4"
    & skf21("3","5","5","4","2","1","5","1") = "4"
    & skf21("3","5","5","4","2","1","6","1") = "5"
    & skf21("3","5","5","4","2","1","7","1") = "6"
    & skf21("3","5","5","4","2","2","1","1") = "4"
    & skf21("3","5","5","4","2","2","2","1") = "4"
    & skf21("3","5","5","4","2","2","3","1") = "4"
    & skf21("3","5","5","4","2","2","4","1") = "4"
    & skf21("3","5","5","4","2","2","5","1") = "4"
    & skf21("3","5","5","4","2","2","6","1") = "5"
    & skf21("3","5","5","4","2","2","7","1") = "6"
    & skf21("3","5","5","4","2","3","1","1") = "4"
    & skf21("3","5","5","4","2","3","2","1") = "4"
    & skf21("3","5","5","4","2","3","3","1") = "4"
    & skf21("3","5","5","4","2","3","4","1") = "4"
    & skf21("3","5","5","4","2","3","5","1") = "4"
    & skf21("3","5","5","4","2","3","6","1") = "5"
    & skf21("3","5","5","4","2","3","7","1") = "6"
    & skf21("3","5","5","4","2","4","1","1") = "4"
    & skf21("3","5","5","4","2","4","2","1") = "4"
    & skf21("3","5","5","4","2","4","3","1") = "4"
    & skf21("3","5","5","4","2","4","4","1") = "4"
    & skf21("3","5","5","4","2","4","5","1") = "4"
    & skf21("3","5","5","4","2","4","6","1") = "5"
    & skf21("3","5","5","4","2","4","7","1") = "6"
    & skf21("3","5","5","4","2","5","1","1") = "4"
    & skf21("3","5","5","4","2","5","2","1") = "4"
    & skf21("3","5","5","4","2","5","3","1") = "4"
    & skf21("3","5","5","4","2","5","4","1") = "4"
    & skf21("3","5","5","4","2","5","5","1") = "4"
    & skf21("3","5","5","4","2","5","6","1") = "5"
    & skf21("3","5","5","4","2","5","7","1") = "6"
    & skf21("3","5","5","4","2","6","1","1") = "5"
    & skf21("3","5","5","4","2","6","2","1") = "5"
    & skf21("3","5","5","4","2","6","3","1") = "5"
    & skf21("3","5","5","4","2","6","4","1") = "5"
    & skf21("3","5","5","4","2","6","5","1") = "5"
    & skf21("3","5","5","4","2","6","6","1") = "5"
    & skf21("3","5","5","4","2","6","7","1") = "6"
    & skf21("3","5","5","4","2","7","1","1") = "6"
    & skf21("3","5","5","4","2","7","2","1") = "6"
    & skf21("3","5","5","4","2","7","3","1") = "6"
    & skf21("3","5","5","4","2","7","4","1") = "6"
    & skf21("3","5","5","4","2","7","5","1") = "6"
    & skf21("3","5","5","4","2","7","6","1") = "6"
    & skf21("3","5","5","4","2","7","7","1") = "6"
    & skf21("3","5","5","4","3","1","1","1") = "4"
    & skf21("3","5","5","4","3","1","2","1") = "4"
    & skf21("3","5","5","4","3","1","3","1") = "4"
    & skf21("3","5","5","4","3","1","4","1") = "4"
    & skf21("3","5","5","4","3","1","5","1") = "4"
    & skf21("3","5","5","4","3","1","6","1") = "5"
    & skf21("3","5","5","4","3","1","7","1") = "6"
    & skf21("3","5","5","4","3","2","1","1") = "4"
    & skf21("3","5","5","4","3","2","2","1") = "4"
    & skf21("3","5","5","4","3","2","3","1") = "4"
    & skf21("3","5","5","4","3","2","4","1") = "4"
    & skf21("3","5","5","4","3","2","5","1") = "4"
    & skf21("3","5","5","4","3","2","6","1") = "5"
    & skf21("3","5","5","4","3","2","7","1") = "6"
    & skf21("3","5","5","4","3","3","1","1") = "4"
    & skf21("3","5","5","4","3","3","2","1") = "4"
    & skf21("3","5","5","4","3","3","3","1") = "4"
    & skf21("3","5","5","4","3","3","4","1") = "4"
    & skf21("3","5","5","4","3","3","5","1") = "4"
    & skf21("3","5","5","4","3","3","6","1") = "5"
    & skf21("3","5","5","4","3","3","7","1") = "6"
    & skf21("3","5","5","4","3","4","1","1") = "4"
    & skf21("3","5","5","4","3","4","2","1") = "4"
    & skf21("3","5","5","4","3","4","3","1") = "4"
    & skf21("3","5","5","4","3","4","4","1") = "4"
    & skf21("3","5","5","4","3","4","5","1") = "4"
    & skf21("3","5","5","4","3","4","6","1") = "5"
    & skf21("3","5","5","4","3","4","7","1") = "6"
    & skf21("3","5","5","4","3","5","1","1") = "4"
    & skf21("3","5","5","4","3","5","2","1") = "4"
    & skf21("3","5","5","4","3","5","3","1") = "4"
    & skf21("3","5","5","4","3","5","4","1") = "4"
    & skf21("3","5","5","4","3","5","5","1") = "4"
    & skf21("3","5","5","4","3","5","6","1") = "5"
    & skf21("3","5","5","4","3","5","7","1") = "6"
    & skf21("3","5","5","4","3","6","1","1") = "5"
    & skf21("3","5","5","4","3","6","2","1") = "5"
    & skf21("3","5","5","4","3","6","3","1") = "5"
    & skf21("3","5","5","4","3","6","4","1") = "5"
    & skf21("3","5","5","4","3","6","5","1") = "5"
    & skf21("3","5","5","4","3","6","6","1") = "5"
    & skf21("3","5","5","4","3","6","7","1") = "6"
    & skf21("3","5","5","4","3","7","1","1") = "6"
    & skf21("3","5","5","4","3","7","2","1") = "6"
    & skf21("3","5","5","4","3","7","3","1") = "6"
    & skf21("3","5","5","4","3","7","4","1") = "6"
    & skf21("3","5","5","4","3","7","5","1") = "6"
    & skf21("3","5","5","4","3","7","6","1") = "6"
    & skf21("3","5","5","4","3","7","7","1") = "6"
    & skf21("3","5","5","4","4","1","1","1") = "4"
    & skf21("3","5","5","4","4","1","2","1") = "4"
    & skf21("3","5","5","4","4","1","3","1") = "4"
    & skf21("3","5","5","4","4","1","4","1") = "4"
    & skf21("3","5","5","4","4","1","5","1") = "4"
    & skf21("3","5","5","4","4","1","6","1") = "5"
    & skf21("3","5","5","4","4","1","7","1") = "6"
    & skf21("3","5","5","4","4","2","1","1") = "4"
    & skf21("3","5","5","4","4","2","2","1") = "4"
    & skf21("3","5","5","4","4","2","3","1") = "4"
    & skf21("3","5","5","4","4","2","4","1") = "4"
    & skf21("3","5","5","4","4","2","5","1") = "4"
    & skf21("3","5","5","4","4","2","6","1") = "5"
    & skf21("3","5","5","4","4","2","7","1") = "6"
    & skf21("3","5","5","4","4","3","1","1") = "4"
    & skf21("3","5","5","4","4","3","2","1") = "4"
    & skf21("3","5","5","4","4","3","3","1") = "4"
    & skf21("3","5","5","4","4","3","4","1") = "4"
    & skf21("3","5","5","4","4","3","5","1") = "4"
    & skf21("3","5","5","4","4","3","6","1") = "5"
    & skf21("3","5","5","4","4","3","7","1") = "6"
    & skf21("3","5","5","4","4","4","1","1") = "4"
    & skf21("3","5","5","4","4","4","2","1") = "4"
    & skf21("3","5","5","4","4","4","3","1") = "4"
    & skf21("3","5","5","4","4","4","4","1") = "4"
    & skf21("3","5","5","4","4","4","5","1") = "4"
    & skf21("3","5","5","4","4","4","6","1") = "5"
    & skf21("3","5","5","4","4","4","7","1") = "6"
    & skf21("3","5","5","4","4","5","1","1") = "4"
    & skf21("3","5","5","4","4","5","2","1") = "4"
    & skf21("3","5","5","4","4","5","3","1") = "4"
    & skf21("3","5","5","4","4","5","4","1") = "4"
    & skf21("3","5","5","4","4","5","5","1") = "4"
    & skf21("3","5","5","4","4","5","6","1") = "5"
    & skf21("3","5","5","4","4","5","7","1") = "6"
    & skf21("3","5","5","4","4","6","1","1") = "5"
    & skf21("3","5","5","4","4","6","2","1") = "5"
    & skf21("3","5","5","4","4","6","3","1") = "5"
    & skf21("3","5","5","4","4","6","4","1") = "5"
    & skf21("3","5","5","4","4","6","5","1") = "5"
    & skf21("3","5","5","4","4","6","6","1") = "5"
    & skf21("3","5","5","4","4","6","7","1") = "6"
    & skf21("3","5","5","4","4","7","1","1") = "6"
    & skf21("3","5","5","4","4","7","2","1") = "6"
    & skf21("3","5","5","4","4","7","3","1") = "6"
    & skf21("3","5","5","4","4","7","4","1") = "6"
    & skf21("3","5","5","4","4","7","5","1") = "6"
    & skf21("3","5","5","4","4","7","6","1") = "6"
    & skf21("3","5","5","4","4","7","7","1") = "6"
    & skf21("3","5","5","4","5","1","1","1") = "4"
    & skf21("3","5","5","4","5","1","2","1") = "4"
    & skf21("3","5","5","4","5","1","3","1") = "4"
    & skf21("3","5","5","4","5","1","4","1") = "4"
    & skf21("3","5","5","4","5","1","5","1") = "4"
    & skf21("3","5","5","4","5","1","6","1") = "5"
    & skf21("3","5","5","4","5","1","7","1") = "6"
    & skf21("3","5","5","4","5","2","1","1") = "4"
    & skf21("3","5","5","4","5","2","2","1") = "4"
    & skf21("3","5","5","4","5","2","3","1") = "4"
    & skf21("3","5","5","4","5","2","4","1") = "4"
    & skf21("3","5","5","4","5","2","5","1") = "4"
    & skf21("3","5","5","4","5","2","6","1") = "5"
    & skf21("3","5","5","4","5","2","7","1") = "6"
    & skf21("3","5","5","4","5","3","1","1") = "4"
    & skf21("3","5","5","4","5","3","2","1") = "4"
    & skf21("3","5","5","4","5","3","3","1") = "4"
    & skf21("3","5","5","4","5","3","4","1") = "4"
    & skf21("3","5","5","4","5","3","5","1") = "4"
    & skf21("3","5","5","4","5","3","6","1") = "5"
    & skf21("3","5","5","4","5","3","7","1") = "6"
    & skf21("3","5","5","4","5","4","1","1") = "4"
    & skf21("3","5","5","4","5","4","2","1") = "4"
    & skf21("3","5","5","4","5","4","3","1") = "4"
    & skf21("3","5","5","4","5","4","4","1") = "4"
    & skf21("3","5","5","4","5","4","5","1") = "4"
    & skf21("3","5","5","4","5","4","6","1") = "5"
    & skf21("3","5","5","4","5","4","7","1") = "6"
    & skf21("3","5","5","4","5","5","1","1") = "4"
    & skf21("3","5","5","4","5","5","2","1") = "4"
    & skf21("3","5","5","4","5","5","3","1") = "4"
    & skf21("3","5","5","4","5","5","4","1") = "4"
    & skf21("3","5","5","4","5","5","5","1") = "4"
    & skf21("3","5","5","4","5","5","6","1") = "5"
    & skf21("3","5","5","4","5","5","7","1") = "6"
    & skf21("3","5","5","4","5","6","1","1") = "5"
    & skf21("3","5","5","4","5","6","2","1") = "5"
    & skf21("3","5","5","4","5","6","3","1") = "5"
    & skf21("3","5","5","4","5","6","4","1") = "5"
    & skf21("3","5","5","4","5","6","5","1") = "5"
    & skf21("3","5","5","4","5","6","6","1") = "5"
    & skf21("3","5","5","4","5","6","7","1") = "6"
    & skf21("3","5","5","4","5","7","1","1") = "6"
    & skf21("3","5","5","4","5","7","2","1") = "6"
    & skf21("3","5","5","4","5","7","3","1") = "6"
    & skf21("3","5","5","4","5","7","4","1") = "6"
    & skf21("3","5","5","4","5","7","5","1") = "6"
    & skf21("3","5","5","4","5","7","6","1") = "6"
    & skf21("3","5","5","4","5","7","7","1") = "6"
    & skf21("3","5","5","4","6","1","1","1") = "5"
    & skf21("3","5","5","4","6","1","2","1") = "5"
    & skf21("3","5","5","4","6","1","3","1") = "5"
    & skf21("3","5","5","4","6","1","4","1") = "5"
    & skf21("3","5","5","4","6","1","5","1") = "5"
    & skf21("3","5","5","4","6","1","6","1") = "5"
    & skf21("3","5","5","4","6","1","7","1") = "6"
    & skf21("3","5","5","4","6","2","1","1") = "5"
    & skf21("3","5","5","4","6","2","2","1") = "5"
    & skf21("3","5","5","4","6","2","3","1") = "5"
    & skf21("3","5","5","4","6","2","4","1") = "5"
    & skf21("3","5","5","4","6","2","5","1") = "5"
    & skf21("3","5","5","4","6","2","6","1") = "5"
    & skf21("3","5","5","4","6","2","7","1") = "6"
    & skf21("3","5","5","4","6","3","1","1") = "5"
    & skf21("3","5","5","4","6","3","2","1") = "5"
    & skf21("3","5","5","4","6","3","3","1") = "5"
    & skf21("3","5","5","4","6","3","4","1") = "5"
    & skf21("3","5","5","4","6","3","5","1") = "5"
    & skf21("3","5","5","4","6","3","6","1") = "5"
    & skf21("3","5","5","4","6","3","7","1") = "6"
    & skf21("3","5","5","4","6","4","1","1") = "5"
    & skf21("3","5","5","4","6","4","2","1") = "5"
    & skf21("3","5","5","4","6","4","3","1") = "5"
    & skf21("3","5","5","4","6","4","4","1") = "5"
    & skf21("3","5","5","4","6","4","5","1") = "5"
    & skf21("3","5","5","4","6","4","6","1") = "5"
    & skf21("3","5","5","4","6","4","7","1") = "6"
    & skf21("3","5","5","4","6","5","1","1") = "5"
    & skf21("3","5","5","4","6","5","2","1") = "5"
    & skf21("3","5","5","4","6","5","3","1") = "5"
    & skf21("3","5","5","4","6","5","4","1") = "5"
    & skf21("3","5","5","4","6","5","5","1") = "5"
    & skf21("3","5","5","4","6","5","6","1") = "5"
    & skf21("3","5","5","4","6","5","7","1") = "6"
    & skf21("3","5","5","4","6","6","1","1") = "5"
    & skf21("3","5","5","4","6","6","2","1") = "5"
    & skf21("3","5","5","4","6","6","3","1") = "5"
    & skf21("3","5","5","4","6","6","4","1") = "5"
    & skf21("3","5","5","4","6","6","5","1") = "5"
    & skf21("3","5","5","4","6","6","6","1") = "5"
    & skf21("3","5","5","4","6","6","7","1") = "6"
    & skf21("3","5","5","4","6","7","1","1") = "6"
    & skf21("3","5","5","4","6","7","2","1") = "6"
    & skf21("3","5","5","4","6","7","3","1") = "6"
    & skf21("3","5","5","4","6","7","4","1") = "6"
    & skf21("3","5","5","4","6","7","5","1") = "6"
    & skf21("3","5","5","4","6","7","6","1") = "6"
    & skf21("3","5","5","4","6","7","7","1") = "6"
    & skf21("3","5","5","4","7","1","1","1") = "6"
    & skf21("3","5","5","4","7","1","2","1") = "6"
    & skf21("3","5","5","4","7","1","3","1") = "6"
    & skf21("3","5","5","4","7","1","4","1") = "6"
    & skf21("3","5","5","4","7","1","5","1") = "6"
    & skf21("3","5","5","4","7","1","6","1") = "6"
    & skf21("3","5","5","4","7","1","7","1") = "6"
    & skf21("3","5","5","4","7","2","1","1") = "6"
    & skf21("3","5","5","4","7","2","2","1") = "6"
    & skf21("3","5","5","4","7","2","3","1") = "6"
    & skf21("3","5","5","4","7","2","4","1") = "6"
    & skf21("3","5","5","4","7","2","5","1") = "6"
    & skf21("3","5","5","4","7","2","6","1") = "6"
    & skf21("3","5","5","4","7","2","7","1") = "6"
    & skf21("3","5","5","4","7","3","1","1") = "6"
    & skf21("3","5","5","4","7","3","2","1") = "6"
    & skf21("3","5","5","4","7","3","3","1") = "6"
    & skf21("3","5","5","4","7","3","4","1") = "6"
    & skf21("3","5","5","4","7","3","5","1") = "6"
    & skf21("3","5","5","4","7","3","6","1") = "6"
    & skf21("3","5","5","4","7","3","7","1") = "6"
    & skf21("3","5","5","4","7","4","1","1") = "6"
    & skf21("3","5","5","4","7","4","2","1") = "6"
    & skf21("3","5","5","4","7","4","3","1") = "6"
    & skf21("3","5","5","4","7","4","4","1") = "6"
    & skf21("3","5","5","4","7","4","5","1") = "6"
    & skf21("3","5","5","4","7","4","6","1") = "6"
    & skf21("3","5","5","4","7","4","7","1") = "6"
    & skf21("3","5","5","4","7","5","1","1") = "6"
    & skf21("3","5","5","4","7","5","2","1") = "6"
    & skf21("3","5","5","4","7","5","3","1") = "6"
    & skf21("3","5","5","4","7","5","4","1") = "6"
    & skf21("3","5","5","4","7","5","5","1") = "6"
    & skf21("3","5","5","4","7","5","6","1") = "6"
    & skf21("3","5","5","4","7","5","7","1") = "6"
    & skf21("3","5","5","4","7","6","1","1") = "6"
    & skf21("3","5","5","4","7","6","2","1") = "6"
    & skf21("3","5","5","4","7","6","3","1") = "6"
    & skf21("3","5","5","4","7","6","4","1") = "6"
    & skf21("3","5","5","4","7","6","5","1") = "6"
    & skf21("3","5","5","4","7","6","6","1") = "6"
    & skf21("3","5","5","4","7","6","7","1") = "6"
    & skf21("3","5","5","4","7","7","1","1") = "6"
    & skf21("3","5","5","4","7","7","2","1") = "6"
    & skf21("3","5","5","4","7","7","3","1") = "6"
    & skf21("3","5","5","4","7","7","4","1") = "6"
    & skf21("3","5","5","4","7","7","5","1") = "6"
    & skf21("3","5","5","4","7","7","6","1") = "6"
    & skf21("3","5","5","4","7","7","7","1") = "6"
    & skf21("3","5","5","5","1","1","1","1") = "4"
    & skf21("3","5","5","5","1","1","2","1") = "4"
    & skf21("3","5","5","5","1","1","3","1") = "4"
    & skf21("3","5","5","5","1","1","4","1") = "4"
    & skf21("3","5","5","5","1","1","5","1") = "4"
    & skf21("3","5","5","5","1","1","6","1") = "5"
    & skf21("3","5","5","5","1","1","7","1") = "6"
    & skf21("3","5","5","5","1","2","1","1") = "4"
    & skf21("3","5","5","5","1","2","2","1") = "4"
    & skf21("3","5","5","5","1","2","3","1") = "4"
    & skf21("3","5","5","5","1","2","4","1") = "4"
    & skf21("3","5","5","5","1","2","5","1") = "4"
    & skf21("3","5","5","5","1","2","6","1") = "5"
    & skf21("3","5","5","5","1","2","7","1") = "6"
    & skf21("3","5","5","5","1","3","1","1") = "4"
    & skf21("3","5","5","5","1","3","2","1") = "4"
    & skf21("3","5","5","5","1","3","3","1") = "4"
    & skf21("3","5","5","5","1","3","4","1") = "4"
    & skf21("3","5","5","5","1","3","5","1") = "4"
    & skf21("3","5","5","5","1","3","6","1") = "5"
    & skf21("3","5","5","5","1","3","7","1") = "6"
    & skf21("3","5","5","5","1","4","1","1") = "4"
    & skf21("3","5","5","5","1","4","2","1") = "4"
    & skf21("3","5","5","5","1","4","3","1") = "4"
    & skf21("3","5","5","5","1","4","4","1") = "4"
    & skf21("3","5","5","5","1","4","5","1") = "4"
    & skf21("3","5","5","5","1","4","6","1") = "5"
    & skf21("3","5","5","5","1","4","7","1") = "6"
    & skf21("3","5","5","5","1","5","1","1") = "4"
    & skf21("3","5","5","5","1","5","2","1") = "4"
    & skf21("3","5","5","5","1","5","3","1") = "4"
    & skf21("3","5","5","5","1","5","4","1") = "4"
    & skf21("3","5","5","5","1","5","5","1") = "4"
    & skf21("3","5","5","5","1","5","6","1") = "5"
    & skf21("3","5","5","5","1","5","7","1") = "6"
    & skf21("3","5","5","5","1","6","1","1") = "5"
    & skf21("3","5","5","5","1","6","2","1") = "5"
    & skf21("3","5","5","5","1","6","3","1") = "5"
    & skf21("3","5","5","5","1","6","4","1") = "5"
    & skf21("3","5","5","5","1","6","5","1") = "5"
    & skf21("3","5","5","5","1","6","6","1") = "5"
    & skf21("3","5","5","5","1","6","7","1") = "6"
    & skf21("3","5","5","5","1","7","1","1") = "6"
    & skf21("3","5","5","5","1","7","2","1") = "6"
    & skf21("3","5","5","5","1","7","3","1") = "6"
    & skf21("3","5","5","5","1","7","4","1") = "6"
    & skf21("3","5","5","5","1","7","5","1") = "6"
    & skf21("3","5","5","5","1","7","6","1") = "6"
    & skf21("3","5","5","5","1","7","7","1") = "6"
    & skf21("3","5","5","5","2","1","1","1") = "4"
    & skf21("3","5","5","5","2","1","2","1") = "4"
    & skf21("3","5","5","5","2","1","3","1") = "4"
    & skf21("3","5","5","5","2","1","4","1") = "4"
    & skf21("3","5","5","5","2","1","5","1") = "4"
    & skf21("3","5","5","5","2","1","6","1") = "5"
    & skf21("3","5","5","5","2","1","7","1") = "6"
    & skf21("3","5","5","5","2","2","1","1") = "4"
    & skf21("3","5","5","5","2","2","2","1") = "4"
    & skf21("3","5","5","5","2","2","3","1") = "4"
    & skf21("3","5","5","5","2","2","4","1") = "4"
    & skf21("3","5","5","5","2","2","5","1") = "4"
    & skf21("3","5","5","5","2","2","6","1") = "5"
    & skf21("3","5","5","5","2","2","7","1") = "6"
    & skf21("3","5","5","5","2","3","1","1") = "4"
    & skf21("3","5","5","5","2","3","2","1") = "4"
    & skf21("3","5","5","5","2","3","3","1") = "4"
    & skf21("3","5","5","5","2","3","4","1") = "4"
    & skf21("3","5","5","5","2","3","5","1") = "4"
    & skf21("3","5","5","5","2","3","6","1") = "5"
    & skf21("3","5","5","5","2","3","7","1") = "6"
    & skf21("3","5","5","5","2","4","1","1") = "4"
    & skf21("3","5","5","5","2","4","2","1") = "4"
    & skf21("3","5","5","5","2","4","3","1") = "4"
    & skf21("3","5","5","5","2","4","4","1") = "4"
    & skf21("3","5","5","5","2","4","5","1") = "4"
    & skf21("3","5","5","5","2","4","6","1") = "5"
    & skf21("3","5","5","5","2","4","7","1") = "6"
    & skf21("3","5","5","5","2","5","1","1") = "4"
    & skf21("3","5","5","5","2","5","2","1") = "4"
    & skf21("3","5","5","5","2","5","3","1") = "4"
    & skf21("3","5","5","5","2","5","4","1") = "4"
    & skf21("3","5","5","5","2","5","5","1") = "4"
    & skf21("3","5","5","5","2","5","6","1") = "5"
    & skf21("3","5","5","5","2","5","7","1") = "6"
    & skf21("3","5","5","5","2","6","1","1") = "5"
    & skf21("3","5","5","5","2","6","2","1") = "5"
    & skf21("3","5","5","5","2","6","3","1") = "5"
    & skf21("3","5","5","5","2","6","4","1") = "5"
    & skf21("3","5","5","5","2","6","5","1") = "5"
    & skf21("3","5","5","5","2","6","6","1") = "5"
    & skf21("3","5","5","5","2","6","7","1") = "6"
    & skf21("3","5","5","5","2","7","1","1") = "6"
    & skf21("3","5","5","5","2","7","2","1") = "6"
    & skf21("3","5","5","5","2","7","3","1") = "6"
    & skf21("3","5","5","5","2","7","4","1") = "6"
    & skf21("3","5","5","5","2","7","5","1") = "6"
    & skf21("3","5","5","5","2","7","6","1") = "6"
    & skf21("3","5","5","5","2","7","7","1") = "6"
    & skf21("3","5","5","5","3","1","1","1") = "4"
    & skf21("3","5","5","5","3","1","2","1") = "4"
    & skf21("3","5","5","5","3","1","3","1") = "4"
    & skf21("3","5","5","5","3","1","4","1") = "4"
    & skf21("3","5","5","5","3","1","5","1") = "4"
    & skf21("3","5","5","5","3","1","6","1") = "5"
    & skf21("3","5","5","5","3","1","7","1") = "6"
    & skf21("3","5","5","5","3","2","1","1") = "4"
    & skf21("3","5","5","5","3","2","2","1") = "4"
    & skf21("3","5","5","5","3","2","3","1") = "4"
    & skf21("3","5","5","5","3","2","4","1") = "4"
    & skf21("3","5","5","5","3","2","5","1") = "4"
    & skf21("3","5","5","5","3","2","6","1") = "5"
    & skf21("3","5","5","5","3","2","7","1") = "6"
    & skf21("3","5","5","5","3","3","1","1") = "4"
    & skf21("3","5","5","5","3","3","2","1") = "4"
    & skf21("3","5","5","5","3","3","3","1") = "4"
    & skf21("3","5","5","5","3","3","4","1") = "4"
    & skf21("3","5","5","5","3","3","5","1") = "4"
    & skf21("3","5","5","5","3","3","6","1") = "5"
    & skf21("3","5","5","5","3","3","7","1") = "6"
    & skf21("3","5","5","5","3","4","1","1") = "4"
    & skf21("3","5","5","5","3","4","2","1") = "4"
    & skf21("3","5","5","5","3","4","3","1") = "4"
    & skf21("3","5","5","5","3","4","4","1") = "4"
    & skf21("3","5","5","5","3","4","5","1") = "4"
    & skf21("3","5","5","5","3","4","6","1") = "5"
    & skf21("3","5","5","5","3","4","7","1") = "6"
    & skf21("3","5","5","5","3","5","1","1") = "4"
    & skf21("3","5","5","5","3","5","2","1") = "4"
    & skf21("3","5","5","5","3","5","3","1") = "4"
    & skf21("3","5","5","5","3","5","4","1") = "4"
    & skf21("3","5","5","5","3","5","5","1") = "4"
    & skf21("3","5","5","5","3","5","6","1") = "5"
    & skf21("3","5","5","5","3","5","7","1") = "6"
    & skf21("3","5","5","5","3","6","1","1") = "5"
    & skf21("3","5","5","5","3","6","2","1") = "5"
    & skf21("3","5","5","5","3","6","3","1") = "5"
    & skf21("3","5","5","5","3","6","4","1") = "5"
    & skf21("3","5","5","5","3","6","5","1") = "5"
    & skf21("3","5","5","5","3","6","6","1") = "5"
    & skf21("3","5","5","5","3","6","7","1") = "6"
    & skf21("3","5","5","5","3","7","1","1") = "6"
    & skf21("3","5","5","5","3","7","2","1") = "6"
    & skf21("3","5","5","5","3","7","3","1") = "6"
    & skf21("3","5","5","5","3","7","4","1") = "6"
    & skf21("3","5","5","5","3","7","5","1") = "6"
    & skf21("3","5","5","5","3","7","6","1") = "6"
    & skf21("3","5","5","5","3","7","7","1") = "6"
    & skf21("3","5","5","5","4","1","1","1") = "4"
    & skf21("3","5","5","5","4","1","2","1") = "4"
    & skf21("3","5","5","5","4","1","3","1") = "4"
    & skf21("3","5","5","5","4","1","4","1") = "4"
    & skf21("3","5","5","5","4","1","5","1") = "4"
    & skf21("3","5","5","5","4","1","6","1") = "5"
    & skf21("3","5","5","5","4","1","7","1") = "6"
    & skf21("3","5","5","5","4","2","1","1") = "4"
    & skf21("3","5","5","5","4","2","2","1") = "4"
    & skf21("3","5","5","5","4","2","3","1") = "4"
    & skf21("3","5","5","5","4","2","4","1") = "4"
    & skf21("3","5","5","5","4","2","5","1") = "4"
    & skf21("3","5","5","5","4","2","6","1") = "5"
    & skf21("3","5","5","5","4","2","7","1") = "6"
    & skf21("3","5","5","5","4","3","1","1") = "4"
    & skf21("3","5","5","5","4","3","2","1") = "4"
    & skf21("3","5","5","5","4","3","3","1") = "4"
    & skf21("3","5","5","5","4","3","4","1") = "4"
    & skf21("3","5","5","5","4","3","5","1") = "4"
    & skf21("3","5","5","5","4","3","6","1") = "5"
    & skf21("3","5","5","5","4","3","7","1") = "6"
    & skf21("3","5","5","5","4","4","1","1") = "4"
    & skf21("3","5","5","5","4","4","2","1") = "4"
    & skf21("3","5","5","5","4","4","3","1") = "4"
    & skf21("3","5","5","5","4","4","4","1") = "4"
    & skf21("3","5","5","5","4","4","5","1") = "4"
    & skf21("3","5","5","5","4","4","6","1") = "5"
    & skf21("3","5","5","5","4","4","7","1") = "6"
    & skf21("3","5","5","5","4","5","1","1") = "4"
    & skf21("3","5","5","5","4","5","2","1") = "4"
    & skf21("3","5","5","5","4","5","3","1") = "4"
    & skf21("3","5","5","5","4","5","4","1") = "4"
    & skf21("3","5","5","5","4","5","5","1") = "4"
    & skf21("3","5","5","5","4","5","6","1") = "5"
    & skf21("3","5","5","5","4","5","7","1") = "6"
    & skf21("3","5","5","5","4","6","1","1") = "5"
    & skf21("3","5","5","5","4","6","2","1") = "5"
    & skf21("3","5","5","5","4","6","3","1") = "5"
    & skf21("3","5","5","5","4","6","4","1") = "5"
    & skf21("3","5","5","5","4","6","5","1") = "5"
    & skf21("3","5","5","5","4","6","6","1") = "5"
    & skf21("3","5","5","5","4","6","7","1") = "6"
    & skf21("3","5","5","5","4","7","1","1") = "6"
    & skf21("3","5","5","5","4","7","2","1") = "6"
    & skf21("3","5","5","5","4","7","3","1") = "6"
    & skf21("3","5","5","5","4","7","4","1") = "6"
    & skf21("3","5","5","5","4","7","5","1") = "6"
    & skf21("3","5","5","5","4","7","6","1") = "6"
    & skf21("3","5","5","5","4","7","7","1") = "6"
    & skf21("3","5","5","5","5","1","1","1") = "4"
    & skf21("3","5","5","5","5","1","2","1") = "4"
    & skf21("3","5","5","5","5","1","3","1") = "4"
    & skf21("3","5","5","5","5","1","4","1") = "4"
    & skf21("3","5","5","5","5","1","5","1") = "4"
    & skf21("3","5","5","5","5","1","6","1") = "5"
    & skf21("3","5","5","5","5","1","7","1") = "6"
    & skf21("3","5","5","5","5","2","1","1") = "4"
    & skf21("3","5","5","5","5","2","2","1") = "4"
    & skf21("3","5","5","5","5","2","3","1") = "4"
    & skf21("3","5","5","5","5","2","4","1") = "4"
    & skf21("3","5","5","5","5","2","5","1") = "4"
    & skf21("3","5","5","5","5","2","6","1") = "5"
    & skf21("3","5","5","5","5","2","7","1") = "6"
    & skf21("3","5","5","5","5","3","1","1") = "4"
    & skf21("3","5","5","5","5","3","2","1") = "4"
    & skf21("3","5","5","5","5","3","3","1") = "4"
    & skf21("3","5","5","5","5","3","4","1") = "4"
    & skf21("3","5","5","5","5","3","5","1") = "4"
    & skf21("3","5","5","5","5","3","6","1") = "5"
    & skf21("3","5","5","5","5","3","7","1") = "6"
    & skf21("3","5","5","5","5","4","1","1") = "4"
    & skf21("3","5","5","5","5","4","2","1") = "4"
    & skf21("3","5","5","5","5","4","3","1") = "4"
    & skf21("3","5","5","5","5","4","4","1") = "4"
    & skf21("3","5","5","5","5","4","5","1") = "4"
    & skf21("3","5","5","5","5","4","6","1") = "5"
    & skf21("3","5","5","5","5","4","7","1") = "6"
    & skf21("3","5","5","5","5","5","1","1") = "4"
    & skf21("3","5","5","5","5","5","2","1") = "4"
    & skf21("3","5","5","5","5","5","3","1") = "4"
    & skf21("3","5","5","5","5","5","4","1") = "4"
    & skf21("3","5","5","5","5","5","5","1") = "4"
    & skf21("3","5","5","5","5","5","6","1") = "5"
    & skf21("3","5","5","5","5","5","7","1") = "6"
    & skf21("3","5","5","5","5","6","1","1") = "5"
    & skf21("3","5","5","5","5","6","2","1") = "5"
    & skf21("3","5","5","5","5","6","3","1") = "5"
    & skf21("3","5","5","5","5","6","4","1") = "5"
    & skf21("3","5","5","5","5","6","5","1") = "5"
    & skf21("3","5","5","5","5","6","6","1") = "5"
    & skf21("3","5","5","5","5","6","7","1") = "6"
    & skf21("3","5","5","5","5","7","1","1") = "6"
    & skf21("3","5","5","5","5","7","2","1") = "6"
    & skf21("3","5","5","5","5","7","3","1") = "6"
    & skf21("3","5","5","5","5","7","4","1") = "6"
    & skf21("3","5","5","5","5","7","5","1") = "6"
    & skf21("3","5","5","5","5","7","6","1") = "6"
    & skf21("3","5","5","5","5","7","7","1") = "6"
    & skf21("3","5","5","5","6","1","1","1") = "5"
    & skf21("3","5","5","5","6","1","2","1") = "5"
    & skf21("3","5","5","5","6","1","3","1") = "5"
    & skf21("3","5","5","5","6","1","4","1") = "5"
    & skf21("3","5","5","5","6","1","5","1") = "5"
    & skf21("3","5","5","5","6","1","6","1") = "5"
    & skf21("3","5","5","5","6","1","7","1") = "6"
    & skf21("3","5","5","5","6","2","1","1") = "5"
    & skf21("3","5","5","5","6","2","2","1") = "5"
    & skf21("3","5","5","5","6","2","3","1") = "5"
    & skf21("3","5","5","5","6","2","4","1") = "5"
    & skf21("3","5","5","5","6","2","5","1") = "5"
    & skf21("3","5","5","5","6","2","6","1") = "5"
    & skf21("3","5","5","5","6","2","7","1") = "6"
    & skf21("3","5","5","5","6","3","1","1") = "5"
    & skf21("3","5","5","5","6","3","2","1") = "5"
    & skf21("3","5","5","5","6","3","3","1") = "5"
    & skf21("3","5","5","5","6","3","4","1") = "5"
    & skf21("3","5","5","5","6","3","5","1") = "5"
    & skf21("3","5","5","5","6","3","6","1") = "5"
    & skf21("3","5","5","5","6","3","7","1") = "6"
    & skf21("3","5","5","5","6","4","1","1") = "5"
    & skf21("3","5","5","5","6","4","2","1") = "5"
    & skf21("3","5","5","5","6","4","3","1") = "5"
    & skf21("3","5","5","5","6","4","4","1") = "5"
    & skf21("3","5","5","5","6","4","5","1") = "5"
    & skf21("3","5","5","5","6","4","6","1") = "5"
    & skf21("3","5","5","5","6","4","7","1") = "6"
    & skf21("3","5","5","5","6","5","1","1") = "5"
    & skf21("3","5","5","5","6","5","2","1") = "5"
    & skf21("3","5","5","5","6","5","3","1") = "5"
    & skf21("3","5","5","5","6","5","4","1") = "5"
    & skf21("3","5","5","5","6","5","5","1") = "5"
    & skf21("3","5","5","5","6","5","6","1") = "5"
    & skf21("3","5","5","5","6","5","7","1") = "6"
    & skf21("3","5","5","5","6","6","1","1") = "5"
    & skf21("3","5","5","5","6","6","2","1") = "5"
    & skf21("3","5","5","5","6","6","3","1") = "5"
    & skf21("3","5","5","5","6","6","4","1") = "5"
    & skf21("3","5","5","5","6","6","5","1") = "5"
    & skf21("3","5","5","5","6","6","6","1") = "5"
    & skf21("3","5","5","5","6","6","7","1") = "6"
    & skf21("3","5","5","5","6","7","1","1") = "6"
    & skf21("3","5","5","5","6","7","2","1") = "6"
    & skf21("3","5","5","5","6","7","3","1") = "6"
    & skf21("3","5","5","5","6","7","4","1") = "6"
    & skf21("3","5","5","5","6","7","5","1") = "6"
    & skf21("3","5","5","5","6","7","6","1") = "6"
    & skf21("3","5","5","5","6","7","7","1") = "6"
    & skf21("3","5","5","5","7","1","1","1") = "6"
    & skf21("3","5","5","5","7","1","2","1") = "6"
    & skf21("3","5","5","5","7","1","3","1") = "6"
    & skf21("3","5","5","5","7","1","4","1") = "6"
    & skf21("3","5","5","5","7","1","5","1") = "6"
    & skf21("3","5","5","5","7","1","6","1") = "6"
    & skf21("3","5","5","5","7","1","7","1") = "6"
    & skf21("3","5","5","5","7","2","1","1") = "6"
    & skf21("3","5","5","5","7","2","2","1") = "6"
    & skf21("3","5","5","5","7","2","3","1") = "6"
    & skf21("3","5","5","5","7","2","4","1") = "6"
    & skf21("3","5","5","5","7","2","5","1") = "6"
    & skf21("3","5","5","5","7","2","6","1") = "6"
    & skf21("3","5","5","5","7","2","7","1") = "6"
    & skf21("3","5","5","5","7","3","1","1") = "6"
    & skf21("3","5","5","5","7","3","2","1") = "6"
    & skf21("3","5","5","5","7","3","3","1") = "6"
    & skf21("3","5","5","5","7","3","4","1") = "6"
    & skf21("3","5","5","5","7","3","5","1") = "6"
    & skf21("3","5","5","5","7","3","6","1") = "6"
    & skf21("3","5","5","5","7","3","7","1") = "6"
    & skf21("3","5","5","5","7","4","1","1") = "6"
    & skf21("3","5","5","5","7","4","2","1") = "6"
    & skf21("3","5","5","5","7","4","3","1") = "6"
    & skf21("3","5","5","5","7","4","4","1") = "6"
    & skf21("3","5","5","5","7","4","5","1") = "6"
    & skf21("3","5","5","5","7","4","6","1") = "6"
    & skf21("3","5","5","5","7","4","7","1") = "6"
    & skf21("3","5","5","5","7","5","1","1") = "6"
    & skf21("3","5","5","5","7","5","2","1") = "6"
    & skf21("3","5","5","5","7","5","3","1") = "6"
    & skf21("3","5","5","5","7","5","4","1") = "6"
    & skf21("3","5","5","5","7","5","5","1") = "6"
    & skf21("3","5","5","5","7","5","6","1") = "6"
    & skf21("3","5","5","5","7","5","7","1") = "6"
    & skf21("3","5","5","5","7","6","1","1") = "6"
    & skf21("3","5","5","5","7","6","2","1") = "6"
    & skf21("3","5","5","5","7","6","3","1") = "6"
    & skf21("3","5","5","5","7","6","4","1") = "6"
    & skf21("3","5","5","5","7","6","5","1") = "6"
    & skf21("3","5","5","5","7","6","6","1") = "6"
    & skf21("3","5","5","5","7","6","7","1") = "6"
    & skf21("3","5","5","5","7","7","1","1") = "6"
    & skf21("3","5","5","5","7","7","2","1") = "6"
    & skf21("3","5","5","5","7","7","3","1") = "6"
    & skf21("3","5","5","5","7","7","4","1") = "6"
    & skf21("3","5","5","5","7","7","5","1") = "6"
    & skf21("3","5","5","5","7","7","6","1") = "6"
    & skf21("3","5","5","5","7","7","7","1") = "6"
    & skf21("3","5","5","6","1","1","1","1") = "5"
    & skf21("3","5","5","6","1","1","2","1") = "5"
    & skf21("3","5","5","6","1","1","3","1") = "5"
    & skf21("3","5","5","6","1","1","4","1") = "5"
    & skf21("3","5","5","6","1","1","5","1") = "5"
    & skf21("3","5","5","6","1","1","6","1") = "5"
    & skf21("3","5","5","6","1","1","7","1") = "6"
    & skf21("3","5","5","6","1","2","1","1") = "5"
    & skf21("3","5","5","6","1","2","2","1") = "5"
    & skf21("3","5","5","6","1","2","3","1") = "5"
    & skf21("3","5","5","6","1","2","4","1") = "5"
    & skf21("3","5","5","6","1","2","5","1") = "5"
    & skf21("3","5","5","6","1","2","6","1") = "5"
    & skf21("3","5","5","6","1","2","7","1") = "6"
    & skf21("3","5","5","6","1","3","1","1") = "5"
    & skf21("3","5","5","6","1","3","2","1") = "5"
    & skf21("3","5","5","6","1","3","3","1") = "5"
    & skf21("3","5","5","6","1","3","4","1") = "5"
    & skf21("3","5","5","6","1","3","5","1") = "5"
    & skf21("3","5","5","6","1","3","6","1") = "5"
    & skf21("3","5","5","6","1","3","7","1") = "6"
    & skf21("3","5","5","6","1","4","1","1") = "5"
    & skf21("3","5","5","6","1","4","2","1") = "5"
    & skf21("3","5","5","6","1","4","3","1") = "5"
    & skf21("3","5","5","6","1","4","4","1") = "5"
    & skf21("3","5","5","6","1","4","5","1") = "5"
    & skf21("3","5","5","6","1","4","6","1") = "5"
    & skf21("3","5","5","6","1","4","7","1") = "6"
    & skf21("3","5","5","6","1","5","1","1") = "5"
    & skf21("3","5","5","6","1","5","2","1") = "5"
    & skf21("3","5","5","6","1","5","3","1") = "5"
    & skf21("3","5","5","6","1","5","4","1") = "5"
    & skf21("3","5","5","6","1","5","5","1") = "5"
    & skf21("3","5","5","6","1","5","6","1") = "5"
    & skf21("3","5","5","6","1","5","7","1") = "6"
    & skf21("3","5","5","6","1","6","1","1") = "5"
    & skf21("3","5","5","6","1","6","2","1") = "5"
    & skf21("3","5","5","6","1","6","3","1") = "5"
    & skf21("3","5","5","6","1","6","4","1") = "5"
    & skf21("3","5","5","6","1","6","5","1") = "5"
    & skf21("3","5","5","6","1","6","6","1") = "5"
    & skf21("3","5","5","6","1","6","7","1") = "6"
    & skf21("3","5","5","6","1","7","1","1") = "6"
    & skf21("3","5","5","6","1","7","2","1") = "6"
    & skf21("3","5","5","6","1","7","3","1") = "6"
    & skf21("3","5","5","6","1","7","4","1") = "6"
    & skf21("3","5","5","6","1","7","5","1") = "6"
    & skf21("3","5","5","6","1","7","6","1") = "6"
    & skf21("3","5","5","6","1","7","7","1") = "6"
    & skf21("3","5","5","6","2","1","1","1") = "5"
    & skf21("3","5","5","6","2","1","2","1") = "5"
    & skf21("3","5","5","6","2","1","3","1") = "5"
    & skf21("3","5","5","6","2","1","4","1") = "5"
    & skf21("3","5","5","6","2","1","5","1") = "5"
    & skf21("3","5","5","6","2","1","6","1") = "5"
    & skf21("3","5","5","6","2","1","7","1") = "6"
    & skf21("3","5","5","6","2","2","1","1") = "5"
    & skf21("3","5","5","6","2","2","2","1") = "5"
    & skf21("3","5","5","6","2","2","3","1") = "5"
    & skf21("3","5","5","6","2","2","4","1") = "5"
    & skf21("3","5","5","6","2","2","5","1") = "5"
    & skf21("3","5","5","6","2","2","6","1") = "5"
    & skf21("3","5","5","6","2","2","7","1") = "6"
    & skf21("3","5","5","6","2","3","1","1") = "5"
    & skf21("3","5","5","6","2","3","2","1") = "5"
    & skf21("3","5","5","6","2","3","3","1") = "5"
    & skf21("3","5","5","6","2","3","4","1") = "5"
    & skf21("3","5","5","6","2","3","5","1") = "5"
    & skf21("3","5","5","6","2","3","6","1") = "5"
    & skf21("3","5","5","6","2","3","7","1") = "6"
    & skf21("3","5","5","6","2","4","1","1") = "5"
    & skf21("3","5","5","6","2","4","2","1") = "5"
    & skf21("3","5","5","6","2","4","3","1") = "5"
    & skf21("3","5","5","6","2","4","4","1") = "5"
    & skf21("3","5","5","6","2","4","5","1") = "5"
    & skf21("3","5","5","6","2","4","6","1") = "5"
    & skf21("3","5","5","6","2","4","7","1") = "6"
    & skf21("3","5","5","6","2","5","1","1") = "5"
    & skf21("3","5","5","6","2","5","2","1") = "5"
    & skf21("3","5","5","6","2","5","3","1") = "5"
    & skf21("3","5","5","6","2","5","4","1") = "5"
    & skf21("3","5","5","6","2","5","5","1") = "5"
    & skf21("3","5","5","6","2","5","6","1") = "5"
    & skf21("3","5","5","6","2","5","7","1") = "6"
    & skf21("3","5","5","6","2","6","1","1") = "5"
    & skf21("3","5","5","6","2","6","2","1") = "5"
    & skf21("3","5","5","6","2","6","3","1") = "5"
    & skf21("3","5","5","6","2","6","4","1") = "5"
    & skf21("3","5","5","6","2","6","5","1") = "5"
    & skf21("3","5","5","6","2","6","6","1") = "5"
    & skf21("3","5","5","6","2","6","7","1") = "6"
    & skf21("3","5","5","6","2","7","1","1") = "6"
    & skf21("3","5","5","6","2","7","2","1") = "6"
    & skf21("3","5","5","6","2","7","3","1") = "6"
    & skf21("3","5","5","6","2","7","4","1") = "6"
    & skf21("3","5","5","6","2","7","5","1") = "6"
    & skf21("3","5","5","6","2","7","6","1") = "6"
    & skf21("3","5","5","6","2","7","7","1") = "6"
    & skf21("3","5","5","6","3","1","1","1") = "5"
    & skf21("3","5","5","6","3","1","2","1") = "5"
    & skf21("3","5","5","6","3","1","3","1") = "5"
    & skf21("3","5","5","6","3","1","4","1") = "5"
    & skf21("3","5","5","6","3","1","5","1") = "5"
    & skf21("3","5","5","6","3","1","6","1") = "5"
    & skf21("3","5","5","6","3","1","7","1") = "6"
    & skf21("3","5","5","6","3","2","1","1") = "5"
    & skf21("3","5","5","6","3","2","2","1") = "5"
    & skf21("3","5","5","6","3","2","3","1") = "5"
    & skf21("3","5","5","6","3","2","4","1") = "5"
    & skf21("3","5","5","6","3","2","5","1") = "5"
    & skf21("3","5","5","6","3","2","6","1") = "5"
    & skf21("3","5","5","6","3","2","7","1") = "6"
    & skf21("3","5","5","6","3","3","1","1") = "5"
    & skf21("3","5","5","6","3","3","2","1") = "5"
    & skf21("3","5","5","6","3","3","3","1") = "5"
    & skf21("3","5","5","6","3","3","4","1") = "5"
    & skf21("3","5","5","6","3","3","5","1") = "5"
    & skf21("3","5","5","6","3","3","6","1") = "5"
    & skf21("3","5","5","6","3","3","7","1") = "6"
    & skf21("3","5","5","6","3","4","1","1") = "5"
    & skf21("3","5","5","6","3","4","2","1") = "5"
    & skf21("3","5","5","6","3","4","3","1") = "5"
    & skf21("3","5","5","6","3","4","4","1") = "5"
    & skf21("3","5","5","6","3","4","5","1") = "5"
    & skf21("3","5","5","6","3","4","6","1") = "5"
    & skf21("3","5","5","6","3","4","7","1") = "6"
    & skf21("3","5","5","6","3","5","1","1") = "5"
    & skf21("3","5","5","6","3","5","2","1") = "5"
    & skf21("3","5","5","6","3","5","3","1") = "5"
    & skf21("3","5","5","6","3","5","4","1") = "5"
    & skf21("3","5","5","6","3","5","5","1") = "5"
    & skf21("3","5","5","6","3","5","6","1") = "5"
    & skf21("3","5","5","6","3","5","7","1") = "6"
    & skf21("3","5","5","6","3","6","1","1") = "5"
    & skf21("3","5","5","6","3","6","2","1") = "5"
    & skf21("3","5","5","6","3","6","3","1") = "5"
    & skf21("3","5","5","6","3","6","4","1") = "5"
    & skf21("3","5","5","6","3","6","5","1") = "5"
    & skf21("3","5","5","6","3","6","6","1") = "5"
    & skf21("3","5","5","6","3","6","7","1") = "6"
    & skf21("3","5","5","6","3","7","1","1") = "6"
    & skf21("3","5","5","6","3","7","2","1") = "6"
    & skf21("3","5","5","6","3","7","3","1") = "6"
    & skf21("3","5","5","6","3","7","4","1") = "6"
    & skf21("3","5","5","6","3","7","5","1") = "6"
    & skf21("3","5","5","6","3","7","6","1") = "6"
    & skf21("3","5","5","6","3","7","7","1") = "6"
    & skf21("3","5","5","6","4","1","1","1") = "5"
    & skf21("3","5","5","6","4","1","2","1") = "5"
    & skf21("3","5","5","6","4","1","3","1") = "5"
    & skf21("3","5","5","6","4","1","4","1") = "5"
    & skf21("3","5","5","6","4","1","5","1") = "5"
    & skf21("3","5","5","6","4","1","6","1") = "5"
    & skf21("3","5","5","6","4","1","7","1") = "6"
    & skf21("3","5","5","6","4","2","1","1") = "5"
    & skf21("3","5","5","6","4","2","2","1") = "5"
    & skf21("3","5","5","6","4","2","3","1") = "5"
    & skf21("3","5","5","6","4","2","4","1") = "5"
    & skf21("3","5","5","6","4","2","5","1") = "5"
    & skf21("3","5","5","6","4","2","6","1") = "5"
    & skf21("3","5","5","6","4","2","7","1") = "6"
    & skf21("3","5","5","6","4","3","1","1") = "5"
    & skf21("3","5","5","6","4","3","2","1") = "5"
    & skf21("3","5","5","6","4","3","3","1") = "5"
    & skf21("3","5","5","6","4","3","4","1") = "5"
    & skf21("3","5","5","6","4","3","5","1") = "5"
    & skf21("3","5","5","6","4","3","6","1") = "5"
    & skf21("3","5","5","6","4","3","7","1") = "6"
    & skf21("3","5","5","6","4","4","1","1") = "5"
    & skf21("3","5","5","6","4","4","2","1") = "5"
    & skf21("3","5","5","6","4","4","3","1") = "5"
    & skf21("3","5","5","6","4","4","4","1") = "5"
    & skf21("3","5","5","6","4","4","5","1") = "5"
    & skf21("3","5","5","6","4","4","6","1") = "5"
    & skf21("3","5","5","6","4","4","7","1") = "6"
    & skf21("3","5","5","6","4","5","1","1") = "5"
    & skf21("3","5","5","6","4","5","2","1") = "5"
    & skf21("3","5","5","6","4","5","3","1") = "5"
    & skf21("3","5","5","6","4","5","4","1") = "5"
    & skf21("3","5","5","6","4","5","5","1") = "5"
    & skf21("3","5","5","6","4","5","6","1") = "5"
    & skf21("3","5","5","6","4","5","7","1") = "6"
    & skf21("3","5","5","6","4","6","1","1") = "5"
    & skf21("3","5","5","6","4","6","2","1") = "5"
    & skf21("3","5","5","6","4","6","3","1") = "5"
    & skf21("3","5","5","6","4","6","4","1") = "5"
    & skf21("3","5","5","6","4","6","5","1") = "5"
    & skf21("3","5","5","6","4","6","6","1") = "5"
    & skf21("3","5","5","6","4","6","7","1") = "6"
    & skf21("3","5","5","6","4","7","1","1") = "6"
    & skf21("3","5","5","6","4","7","2","1") = "6"
    & skf21("3","5","5","6","4","7","3","1") = "6"
    & skf21("3","5","5","6","4","7","4","1") = "6"
    & skf21("3","5","5","6","4","7","5","1") = "6"
    & skf21("3","5","5","6","4","7","6","1") = "6"
    & skf21("3","5","5","6","4","7","7","1") = "6"
    & skf21("3","5","5","6","5","1","1","1") = "5"
    & skf21("3","5","5","6","5","1","2","1") = "5"
    & skf21("3","5","5","6","5","1","3","1") = "5"
    & skf21("3","5","5","6","5","1","4","1") = "5"
    & skf21("3","5","5","6","5","1","5","1") = "5"
    & skf21("3","5","5","6","5","1","6","1") = "5"
    & skf21("3","5","5","6","5","1","7","1") = "6"
    & skf21("3","5","5","6","5","2","1","1") = "5"
    & skf21("3","5","5","6","5","2","2","1") = "5"
    & skf21("3","5","5","6","5","2","3","1") = "5"
    & skf21("3","5","5","6","5","2","4","1") = "5"
    & skf21("3","5","5","6","5","2","5","1") = "5"
    & skf21("3","5","5","6","5","2","6","1") = "5"
    & skf21("3","5","5","6","5","2","7","1") = "6"
    & skf21("3","5","5","6","5","3","1","1") = "5"
    & skf21("3","5","5","6","5","3","2","1") = "5"
    & skf21("3","5","5","6","5","3","3","1") = "5"
    & skf21("3","5","5","6","5","3","4","1") = "5"
    & skf21("3","5","5","6","5","3","5","1") = "5"
    & skf21("3","5","5","6","5","3","6","1") = "5"
    & skf21("3","5","5","6","5","3","7","1") = "6"
    & skf21("3","5","5","6","5","4","1","1") = "5"
    & skf21("3","5","5","6","5","4","2","1") = "5"
    & skf21("3","5","5","6","5","4","3","1") = "5"
    & skf21("3","5","5","6","5","4","4","1") = "5"
    & skf21("3","5","5","6","5","4","5","1") = "5"
    & skf21("3","5","5","6","5","4","6","1") = "5"
    & skf21("3","5","5","6","5","4","7","1") = "6"
    & skf21("3","5","5","6","5","5","1","1") = "5"
    & skf21("3","5","5","6","5","5","2","1") = "5"
    & skf21("3","5","5","6","5","5","3","1") = "5"
    & skf21("3","5","5","6","5","5","4","1") = "5"
    & skf21("3","5","5","6","5","5","5","1") = "5"
    & skf21("3","5","5","6","5","5","6","1") = "5"
    & skf21("3","5","5","6","5","5","7","1") = "6"
    & skf21("3","5","5","6","5","6","1","1") = "5"
    & skf21("3","5","5","6","5","6","2","1") = "5"
    & skf21("3","5","5","6","5","6","3","1") = "5"
    & skf21("3","5","5","6","5","6","4","1") = "5"
    & skf21("3","5","5","6","5","6","5","1") = "5"
    & skf21("3","5","5","6","5","6","6","1") = "5"
    & skf21("3","5","5","6","5","6","7","1") = "6"
    & skf21("3","5","5","6","5","7","1","1") = "6"
    & skf21("3","5","5","6","5","7","2","1") = "6"
    & skf21("3","5","5","6","5","7","3","1") = "6"
    & skf21("3","5","5","6","5","7","4","1") = "6"
    & skf21("3","5","5","6","5","7","5","1") = "6"
    & skf21("3","5","5","6","5","7","6","1") = "6"
    & skf21("3","5","5","6","5","7","7","1") = "6"
    & skf21("3","5","5","6","6","1","1","1") = "5"
    & skf21("3","5","5","6","6","1","2","1") = "5"
    & skf21("3","5","5","6","6","1","3","1") = "5"
    & skf21("3","5","5","6","6","1","4","1") = "5"
    & skf21("3","5","5","6","6","1","5","1") = "5"
    & skf21("3","5","5","6","6","1","6","1") = "5"
    & skf21("3","5","5","6","6","1","7","1") = "6"
    & skf21("3","5","5","6","6","2","1","1") = "5"
    & skf21("3","5","5","6","6","2","2","1") = "5"
    & skf21("3","5","5","6","6","2","3","1") = "5"
    & skf21("3","5","5","6","6","2","4","1") = "5"
    & skf21("3","5","5","6","6","2","5","1") = "5"
    & skf21("3","5","5","6","6","2","6","1") = "5"
    & skf21("3","5","5","6","6","2","7","1") = "6"
    & skf21("3","5","5","6","6","3","1","1") = "5"
    & skf21("3","5","5","6","6","3","2","1") = "5"
    & skf21("3","5","5","6","6","3","3","1") = "5"
    & skf21("3","5","5","6","6","3","4","1") = "5"
    & skf21("3","5","5","6","6","3","5","1") = "5"
    & skf21("3","5","5","6","6","3","6","1") = "5"
    & skf21("3","5","5","6","6","3","7","1") = "6"
    & skf21("3","5","5","6","6","4","1","1") = "5"
    & skf21("3","5","5","6","6","4","2","1") = "5"
    & skf21("3","5","5","6","6","4","3","1") = "5"
    & skf21("3","5","5","6","6","4","4","1") = "5"
    & skf21("3","5","5","6","6","4","5","1") = "5"
    & skf21("3","5","5","6","6","4","6","1") = "5"
    & skf21("3","5","5","6","6","4","7","1") = "6"
    & skf21("3","5","5","6","6","5","1","1") = "5"
    & skf21("3","5","5","6","6","5","2","1") = "5"
    & skf21("3","5","5","6","6","5","3","1") = "5"
    & skf21("3","5","5","6","6","5","4","1") = "5"
    & skf21("3","5","5","6","6","5","5","1") = "5"
    & skf21("3","5","5","6","6","5","6","1") = "5"
    & skf21("3","5","5","6","6","5","7","1") = "6"
    & skf21("3","5","5","6","6","6","1","1") = "5"
    & skf21("3","5","5","6","6","6","2","1") = "5"
    & skf21("3","5","5","6","6","6","3","1") = "5"
    & skf21("3","5","5","6","6","6","4","1") = "5"
    & skf21("3","5","5","6","6","6","5","1") = "5"
    & skf21("3","5","5","6","6","6","6","1") = "5"
    & skf21("3","5","5","6","6","6","7","1") = "6"
    & skf21("3","5","5","6","6","7","1","1") = "6"
    & skf21("3","5","5","6","6","7","2","1") = "6"
    & skf21("3","5","5","6","6","7","3","1") = "6"
    & skf21("3","5","5","6","6","7","4","1") = "6"
    & skf21("3","5","5","6","6","7","5","1") = "6"
    & skf21("3","5","5","6","6","7","6","1") = "6"
    & skf21("3","5","5","6","6","7","7","1") = "6"
    & skf21("3","5","5","6","7","1","1","1") = "6"
    & skf21("3","5","5","6","7","1","2","1") = "6"
    & skf21("3","5","5","6","7","1","3","1") = "6"
    & skf21("3","5","5","6","7","1","4","1") = "6"
    & skf21("3","5","5","6","7","1","5","1") = "6"
    & skf21("3","5","5","6","7","1","6","1") = "6"
    & skf21("3","5","5","6","7","1","7","1") = "6"
    & skf21("3","5","5","6","7","2","1","1") = "6"
    & skf21("3","5","5","6","7","2","2","1") = "6"
    & skf21("3","5","5","6","7","2","3","1") = "6"
    & skf21("3","5","5","6","7","2","4","1") = "6"
    & skf21("3","5","5","6","7","2","5","1") = "6"
    & skf21("3","5","5","6","7","2","6","1") = "6"
    & skf21("3","5","5","6","7","2","7","1") = "6"
    & skf21("3","5","5","6","7","3","1","1") = "6"
    & skf21("3","5","5","6","7","3","2","1") = "6"
    & skf21("3","5","5","6","7","3","3","1") = "6"
    & skf21("3","5","5","6","7","3","4","1") = "6"
    & skf21("3","5","5","6","7","3","5","1") = "6"
    & skf21("3","5","5","6","7","3","6","1") = "6"
    & skf21("3","5","5","6","7","3","7","1") = "6"
    & skf21("3","5","5","6","7","4","1","1") = "6"
    & skf21("3","5","5","6","7","4","2","1") = "6"
    & skf21("3","5","5","6","7","4","3","1") = "6"
    & skf21("3","5","5","6","7","4","4","1") = "6"
    & skf21("3","5","5","6","7","4","5","1") = "6"
    & skf21("3","5","5","6","7","4","6","1") = "6"
    & skf21("3","5","5","6","7","4","7","1") = "6"
    & skf21("3","5","5","6","7","5","1","1") = "6"
    & skf21("3","5","5","6","7","5","2","1") = "6"
    & skf21("3","5","5","6","7","5","3","1") = "6"
    & skf21("3","5","5","6","7","5","4","1") = "6"
    & skf21("3","5","5","6","7","5","5","1") = "6"
    & skf21("3","5","5","6","7","5","6","1") = "6"
    & skf21("3","5","5","6","7","5","7","1") = "6"
    & skf21("3","5","5","6","7","6","1","1") = "6"
    & skf21("3","5","5","6","7","6","2","1") = "6"
    & skf21("3","5","5","6","7","6","3","1") = "6"
    & skf21("3","5","5","6","7","6","4","1") = "6"
    & skf21("3","5","5","6","7","6","5","1") = "6"
    & skf21("3","5","5","6","7","6","6","1") = "6"
    & skf21("3","5","5","6","7","6","7","1") = "6"
    & skf21("3","5","5","6","7","7","1","1") = "6"
    & skf21("3","5","5","6","7","7","2","1") = "6"
    & skf21("3","5","5","6","7","7","3","1") = "6"
    & skf21("3","5","5","6","7","7","4","1") = "6"
    & skf21("3","5","5","6","7","7","5","1") = "6"
    & skf21("3","5","5","6","7","7","6","1") = "6"
    & skf21("3","5","5","6","7","7","7","1") = "6"
    & skf21("3","5","5","7","1","1","1","1") = "6"
    & skf21("3","5","5","7","1","1","2","1") = "6"
    & skf21("3","5","5","7","1","1","3","1") = "6"
    & skf21("3","5","5","7","1","1","4","1") = "6"
    & skf21("3","5","5","7","1","1","5","1") = "6"
    & skf21("3","5","5","7","1","1","6","1") = "6"
    & skf21("3","5","5","7","1","1","7","1") = "6"
    & skf21("3","5","5","7","1","2","1","1") = "6"
    & skf21("3","5","5","7","1","2","2","1") = "6"
    & skf21("3","5","5","7","1","2","3","1") = "6"
    & skf21("3","5","5","7","1","2","4","1") = "6"
    & skf21("3","5","5","7","1","2","5","1") = "6"
    & skf21("3","5","5","7","1","2","6","1") = "6"
    & skf21("3","5","5","7","1","2","7","1") = "6"
    & skf21("3","5","5","7","1","3","1","1") = "6"
    & skf21("3","5","5","7","1","3","2","1") = "6"
    & skf21("3","5","5","7","1","3","3","1") = "6"
    & skf21("3","5","5","7","1","3","4","1") = "6"
    & skf21("3","5","5","7","1","3","5","1") = "6"
    & skf21("3","5","5","7","1","3","6","1") = "6"
    & skf21("3","5","5","7","1","3","7","1") = "6"
    & skf21("3","5","5","7","1","4","1","1") = "6"
    & skf21("3","5","5","7","1","4","2","1") = "6"
    & skf21("3","5","5","7","1","4","3","1") = "6"
    & skf21("3","5","5","7","1","4","4","1") = "6"
    & skf21("3","5","5","7","1","4","5","1") = "6"
    & skf21("3","5","5","7","1","4","6","1") = "6"
    & skf21("3","5","5","7","1","4","7","1") = "6"
    & skf21("3","5","5","7","1","5","1","1") = "6"
    & skf21("3","5","5","7","1","5","2","1") = "6"
    & skf21("3","5","5","7","1","5","3","1") = "6"
    & skf21("3","5","5","7","1","5","4","1") = "6"
    & skf21("3","5","5","7","1","5","5","1") = "6"
    & skf21("3","5","5","7","1","5","6","1") = "6"
    & skf21("3","5","5","7","1","5","7","1") = "6"
    & skf21("3","5","5","7","1","6","1","1") = "6"
    & skf21("3","5","5","7","1","6","2","1") = "6"
    & skf21("3","5","5","7","1","6","3","1") = "6"
    & skf21("3","5","5","7","1","6","4","1") = "6"
    & skf21("3","5","5","7","1","6","5","1") = "6"
    & skf21("3","5","5","7","1","6","6","1") = "6"
    & skf21("3","5","5","7","1","6","7","1") = "6"
    & skf21("3","5","5","7","1","7","1","1") = "6"
    & skf21("3","5","5","7","1","7","2","1") = "6"
    & skf21("3","5","5","7","1","7","3","1") = "6"
    & skf21("3","5","5","7","1","7","4","1") = "6"
    & skf21("3","5","5","7","1","7","5","1") = "6"
    & skf21("3","5","5","7","1","7","6","1") = "6"
    & skf21("3","5","5","7","1","7","7","1") = "6"
    & skf21("3","5","5","7","2","1","1","1") = "6"
    & skf21("3","5","5","7","2","1","2","1") = "6"
    & skf21("3","5","5","7","2","1","3","1") = "6"
    & skf21("3","5","5","7","2","1","4","1") = "6"
    & skf21("3","5","5","7","2","1","5","1") = "6"
    & skf21("3","5","5","7","2","1","6","1") = "6"
    & skf21("3","5","5","7","2","1","7","1") = "6"
    & skf21("3","5","5","7","2","2","1","1") = "6"
    & skf21("3","5","5","7","2","2","2","1") = "6"
    & skf21("3","5","5","7","2","2","3","1") = "6"
    & skf21("3","5","5","7","2","2","4","1") = "6"
    & skf21("3","5","5","7","2","2","5","1") = "6"
    & skf21("3","5","5","7","2","2","6","1") = "6"
    & skf21("3","5","5","7","2","2","7","1") = "6"
    & skf21("3","5","5","7","2","3","1","1") = "6"
    & skf21("3","5","5","7","2","3","2","1") = "6"
    & skf21("3","5","5","7","2","3","3","1") = "6"
    & skf21("3","5","5","7","2","3","4","1") = "6"
    & skf21("3","5","5","7","2","3","5","1") = "6"
    & skf21("3","5","5","7","2","3","6","1") = "6"
    & skf21("3","5","5","7","2","3","7","1") = "6"
    & skf21("3","5","5","7","2","4","1","1") = "6"
    & skf21("3","5","5","7","2","4","2","1") = "6"
    & skf21("3","5","5","7","2","4","3","1") = "6"
    & skf21("3","5","5","7","2","4","4","1") = "6"
    & skf21("3","5","5","7","2","4","5","1") = "6"
    & skf21("3","5","5","7","2","4","6","1") = "6"
    & skf21("3","5","5","7","2","4","7","1") = "6"
    & skf21("3","5","5","7","2","5","1","1") = "6"
    & skf21("3","5","5","7","2","5","2","1") = "6"
    & skf21("3","5","5","7","2","5","3","1") = "6"
    & skf21("3","5","5","7","2","5","4","1") = "6"
    & skf21("3","5","5","7","2","5","5","1") = "6"
    & skf21("3","5","5","7","2","5","6","1") = "6"
    & skf21("3","5","5","7","2","5","7","1") = "6"
    & skf21("3","5","5","7","2","6","1","1") = "6"
    & skf21("3","5","5","7","2","6","2","1") = "6"
    & skf21("3","5","5","7","2","6","3","1") = "6"
    & skf21("3","5","5","7","2","6","4","1") = "6"
    & skf21("3","5","5","7","2","6","5","1") = "6"
    & skf21("3","5","5","7","2","6","6","1") = "6"
    & skf21("3","5","5","7","2","6","7","1") = "6"
    & skf21("3","5","5","7","2","7","1","1") = "6"
    & skf21("3","5","5","7","2","7","2","1") = "6"
    & skf21("3","5","5","7","2","7","3","1") = "6"
    & skf21("3","5","5","7","2","7","4","1") = "6"
    & skf21("3","5","5","7","2","7","5","1") = "6"
    & skf21("3","5","5","7","2","7","6","1") = "6"
    & skf21("3","5","5","7","2","7","7","1") = "6"
    & skf21("3","5","5","7","3","1","1","1") = "6"
    & skf21("3","5","5","7","3","1","2","1") = "6"
    & skf21("3","5","5","7","3","1","3","1") = "6"
    & skf21("3","5","5","7","3","1","4","1") = "6"
    & skf21("3","5","5","7","3","1","5","1") = "6"
    & skf21("3","5","5","7","3","1","6","1") = "6"
    & skf21("3","5","5","7","3","1","7","1") = "6"
    & skf21("3","5","5","7","3","2","1","1") = "6"
    & skf21("3","5","5","7","3","2","2","1") = "6"
    & skf21("3","5","5","7","3","2","3","1") = "6"
    & skf21("3","5","5","7","3","2","4","1") = "6"
    & skf21("3","5","5","7","3","2","5","1") = "6"
    & skf21("3","5","5","7","3","2","6","1") = "6"
    & skf21("3","5","5","7","3","2","7","1") = "6"
    & skf21("3","5","5","7","3","3","1","1") = "6"
    & skf21("3","5","5","7","3","3","2","1") = "6"
    & skf21("3","5","5","7","3","3","3","1") = "6"
    & skf21("3","5","5","7","3","3","4","1") = "6"
    & skf21("3","5","5","7","3","3","5","1") = "6"
    & skf21("3","5","5","7","3","3","6","1") = "6"
    & skf21("3","5","5","7","3","3","7","1") = "6"
    & skf21("3","5","5","7","3","4","1","1") = "6"
    & skf21("3","5","5","7","3","4","2","1") = "6"
    & skf21("3","5","5","7","3","4","3","1") = "6"
    & skf21("3","5","5","7","3","4","4","1") = "6"
    & skf21("3","5","5","7","3","4","5","1") = "6"
    & skf21("3","5","5","7","3","4","6","1") = "6"
    & skf21("3","5","5","7","3","4","7","1") = "6"
    & skf21("3","5","5","7","3","5","1","1") = "6"
    & skf21("3","5","5","7","3","5","2","1") = "6"
    & skf21("3","5","5","7","3","5","3","1") = "6"
    & skf21("3","5","5","7","3","5","4","1") = "6"
    & skf21("3","5","5","7","3","5","5","1") = "6"
    & skf21("3","5","5","7","3","5","6","1") = "6"
    & skf21("3","5","5","7","3","5","7","1") = "6"
    & skf21("3","5","5","7","3","6","1","1") = "6"
    & skf21("3","5","5","7","3","6","2","1") = "6"
    & skf21("3","5","5","7","3","6","3","1") = "6"
    & skf21("3","5","5","7","3","6","4","1") = "6"
    & skf21("3","5","5","7","3","6","5","1") = "6"
    & skf21("3","5","5","7","3","6","6","1") = "6"
    & skf21("3","5","5","7","3","6","7","1") = "6"
    & skf21("3","5","5","7","3","7","1","1") = "6"
    & skf21("3","5","5","7","3","7","2","1") = "6"
    & skf21("3","5","5","7","3","7","3","1") = "6"
    & skf21("3","5","5","7","3","7","4","1") = "6"
    & skf21("3","5","5","7","3","7","5","1") = "6"
    & skf21("3","5","5","7","3","7","6","1") = "6"
    & skf21("3","5","5","7","3","7","7","1") = "6"
    & skf21("3","5","5","7","4","1","1","1") = "6"
    & skf21("3","5","5","7","4","1","2","1") = "6"
    & skf21("3","5","5","7","4","1","3","1") = "6"
    & skf21("3","5","5","7","4","1","4","1") = "6"
    & skf21("3","5","5","7","4","1","5","1") = "6"
    & skf21("3","5","5","7","4","1","6","1") = "6"
    & skf21("3","5","5","7","4","1","7","1") = "6"
    & skf21("3","5","5","7","4","2","1","1") = "6"
    & skf21("3","5","5","7","4","2","2","1") = "6"
    & skf21("3","5","5","7","4","2","3","1") = "6"
    & skf21("3","5","5","7","4","2","4","1") = "6"
    & skf21("3","5","5","7","4","2","5","1") = "6"
    & skf21("3","5","5","7","4","2","6","1") = "6"
    & skf21("3","5","5","7","4","2","7","1") = "6"
    & skf21("3","5","5","7","4","3","1","1") = "6"
    & skf21("3","5","5","7","4","3","2","1") = "6"
    & skf21("3","5","5","7","4","3","3","1") = "6"
    & skf21("3","5","5","7","4","3","4","1") = "6"
    & skf21("3","5","5","7","4","3","5","1") = "6"
    & skf21("3","5","5","7","4","3","6","1") = "6"
    & skf21("3","5","5","7","4","3","7","1") = "6"
    & skf21("3","5","5","7","4","4","1","1") = "6"
    & skf21("3","5","5","7","4","4","2","1") = "6"
    & skf21("3","5","5","7","4","4","3","1") = "6"
    & skf21("3","5","5","7","4","4","4","1") = "6"
    & skf21("3","5","5","7","4","4","5","1") = "6"
    & skf21("3","5","5","7","4","4","6","1") = "6"
    & skf21("3","5","5","7","4","4","7","1") = "6"
    & skf21("3","5","5","7","4","5","1","1") = "6"
    & skf21("3","5","5","7","4","5","2","1") = "6"
    & skf21("3","5","5","7","4","5","3","1") = "6"
    & skf21("3","5","5","7","4","5","4","1") = "6"
    & skf21("3","5","5","7","4","5","5","1") = "6"
    & skf21("3","5","5","7","4","5","6","1") = "6"
    & skf21("3","5","5","7","4","5","7","1") = "6"
    & skf21("3","5","5","7","4","6","1","1") = "6"
    & skf21("3","5","5","7","4","6","2","1") = "6"
    & skf21("3","5","5","7","4","6","3","1") = "6"
    & skf21("3","5","5","7","4","6","4","1") = "6"
    & skf21("3","5","5","7","4","6","5","1") = "6"
    & skf21("3","5","5","7","4","6","6","1") = "6"
    & skf21("3","5","5","7","4","6","7","1") = "6"
    & skf21("3","5","5","7","4","7","1","1") = "6"
    & skf21("3","5","5","7","4","7","2","1") = "6"
    & skf21("3","5","5","7","4","7","3","1") = "6"
    & skf21("3","5","5","7","4","7","4","1") = "6"
    & skf21("3","5","5","7","4","7","5","1") = "6"
    & skf21("3","5","5","7","4","7","6","1") = "6"
    & skf21("3","5","5","7","4","7","7","1") = "6"
    & skf21("3","5","5","7","5","1","1","1") = "6"
    & skf21("3","5","5","7","5","1","2","1") = "6"
    & skf21("3","5","5","7","5","1","3","1") = "6"
    & skf21("3","5","5","7","5","1","4","1") = "6"
    & skf21("3","5","5","7","5","1","5","1") = "6"
    & skf21("3","5","5","7","5","1","6","1") = "6"
    & skf21("3","5","5","7","5","1","7","1") = "6"
    & skf21("3","5","5","7","5","2","1","1") = "6"
    & skf21("3","5","5","7","5","2","2","1") = "6"
    & skf21("3","5","5","7","5","2","3","1") = "6"
    & skf21("3","5","5","7","5","2","4","1") = "6"
    & skf21("3","5","5","7","5","2","5","1") = "6"
    & skf21("3","5","5","7","5","2","6","1") = "6"
    & skf21("3","5","5","7","5","2","7","1") = "6"
    & skf21("3","5","5","7","5","3","1","1") = "6"
    & skf21("3","5","5","7","5","3","2","1") = "6"
    & skf21("3","5","5","7","5","3","3","1") = "6"
    & skf21("3","5","5","7","5","3","4","1") = "6"
    & skf21("3","5","5","7","5","3","5","1") = "6"
    & skf21("3","5","5","7","5","3","6","1") = "6"
    & skf21("3","5","5","7","5","3","7","1") = "6"
    & skf21("3","5","5","7","5","4","1","1") = "6"
    & skf21("3","5","5","7","5","4","2","1") = "6"
    & skf21("3","5","5","7","5","4","3","1") = "6"
    & skf21("3","5","5","7","5","4","4","1") = "6"
    & skf21("3","5","5","7","5","4","5","1") = "6"
    & skf21("3","5","5","7","5","4","6","1") = "6"
    & skf21("3","5","5","7","5","4","7","1") = "6"
    & skf21("3","5","5","7","5","5","1","1") = "6"
    & skf21("3","5","5","7","5","5","2","1") = "6"
    & skf21("3","5","5","7","5","5","3","1") = "6"
    & skf21("3","5","5","7","5","5","4","1") = "6"
    & skf21("3","5","5","7","5","5","5","1") = "6"
    & skf21("3","5","5","7","5","5","6","1") = "6"
    & skf21("3","5","5","7","5","5","7","1") = "6"
    & skf21("3","5","5","7","5","6","1","1") = "6"
    & skf21("3","5","5","7","5","6","2","1") = "6"
    & skf21("3","5","5","7","5","6","3","1") = "6"
    & skf21("3","5","5","7","5","6","4","1") = "6"
    & skf21("3","5","5","7","5","6","5","1") = "6"
    & skf21("3","5","5","7","5","6","6","1") = "6"
    & skf21("3","5","5","7","5","6","7","1") = "6"
    & skf21("3","5","5","7","5","7","1","1") = "6"
    & skf21("3","5","5","7","5","7","2","1") = "6"
    & skf21("3","5","5","7","5","7","3","1") = "6"
    & skf21("3","5","5","7","5","7","4","1") = "6"
    & skf21("3","5","5","7","5","7","5","1") = "6"
    & skf21("3","5","5","7","5","7","6","1") = "6"
    & skf21("3","5","5","7","5","7","7","1") = "6"
    & skf21("3","5","5","7","6","1","1","1") = "6"
    & skf21("3","5","5","7","6","1","2","1") = "6"
    & skf21("3","5","5","7","6","1","3","1") = "6"
    & skf21("3","5","5","7","6","1","4","1") = "6"
    & skf21("3","5","5","7","6","1","5","1") = "6"
    & skf21("3","5","5","7","6","1","6","1") = "6"
    & skf21("3","5","5","7","6","1","7","1") = "6"
    & skf21("3","5","5","7","6","2","1","1") = "6"
    & skf21("3","5","5","7","6","2","2","1") = "6"
    & skf21("3","5","5","7","6","2","3","1") = "6"
    & skf21("3","5","5","7","6","2","4","1") = "6"
    & skf21("3","5","5","7","6","2","5","1") = "6"
    & skf21("3","5","5","7","6","2","6","1") = "6"
    & skf21("3","5","5","7","6","2","7","1") = "6"
    & skf21("3","5","5","7","6","3","1","1") = "6"
    & skf21("3","5","5","7","6","3","2","1") = "6"
    & skf21("3","5","5","7","6","3","3","1") = "6"
    & skf21("3","5","5","7","6","3","4","1") = "6"
    & skf21("3","5","5","7","6","3","5","1") = "6"
    & skf21("3","5","5","7","6","3","6","1") = "6"
    & skf21("3","5","5","7","6","3","7","1") = "6"
    & skf21("3","5","5","7","6","4","1","1") = "6"
    & skf21("3","5","5","7","6","4","2","1") = "6"
    & skf21("3","5","5","7","6","4","3","1") = "6"
    & skf21("3","5","5","7","6","4","4","1") = "6"
    & skf21("3","5","5","7","6","4","5","1") = "6"
    & skf21("3","5","5","7","6","4","6","1") = "6"
    & skf21("3","5","5","7","6","4","7","1") = "6"
    & skf21("3","5","5","7","6","5","1","1") = "6"
    & skf21("3","5","5","7","6","5","2","1") = "6"
    & skf21("3","5","5","7","6","5","3","1") = "6"
    & skf21("3","5","5","7","6","5","4","1") = "6"
    & skf21("3","5","5","7","6","5","5","1") = "6"
    & skf21("3","5","5","7","6","5","6","1") = "6"
    & skf21("3","5","5","7","6","5","7","1") = "6"
    & skf21("3","5","5","7","6","6","1","1") = "6"
    & skf21("3","5","5","7","6","6","2","1") = "6"
    & skf21("3","5","5","7","6","6","3","1") = "6"
    & skf21("3","5","5","7","6","6","4","1") = "6"
    & skf21("3","5","5","7","6","6","5","1") = "6"
    & skf21("3","5","5","7","6","6","6","1") = "6"
    & skf21("3","5","5","7","6","6","7","1") = "6"
    & skf21("3","5","5","7","6","7","1","1") = "6"
    & skf21("3","5","5","7","6","7","2","1") = "6"
    & skf21("3","5","5","7","6","7","3","1") = "6"
    & skf21("3","5","5","7","6","7","4","1") = "6"
    & skf21("3","5","5","7","6","7","5","1") = "6"
    & skf21("3","5","5","7","6","7","6","1") = "6"
    & skf21("3","5","5","7","6","7","7","1") = "6"
    & skf21("3","5","5","7","7","1","1","1") = "6"
    & skf21("3","5","5","7","7","1","2","1") = "6"
    & skf21("3","5","5","7","7","1","3","1") = "6"
    & skf21("3","5","5","7","7","1","4","1") = "6"
    & skf21("3","5","5","7","7","1","5","1") = "6"
    & skf21("3","5","5","7","7","1","6","1") = "6"
    & skf21("3","5","5","7","7","1","7","1") = "6"
    & skf21("3","5","5","7","7","2","1","1") = "6"
    & skf21("3","5","5","7","7","2","2","1") = "6"
    & skf21("3","5","5","7","7","2","3","1") = "6"
    & skf21("3","5","5","7","7","2","4","1") = "6"
    & skf21("3","5","5","7","7","2","5","1") = "6"
    & skf21("3","5","5","7","7","2","6","1") = "6"
    & skf21("3","5","5","7","7","2","7","1") = "6"
    & skf21("3","5","5","7","7","3","1","1") = "6"
    & skf21("3","5","5","7","7","3","2","1") = "6"
    & skf21("3","5","5","7","7","3","3","1") = "6"
    & skf21("3","5","5","7","7","3","4","1") = "6"
    & skf21("3","5","5","7","7","3","5","1") = "6"
    & skf21("3","5","5","7","7","3","6","1") = "6"
    & skf21("3","5","5","7","7","3","7","1") = "6"
    & skf21("3","5","5","7","7","4","1","1") = "6"
    & skf21("3","5","5","7","7","4","2","1") = "6"
    & skf21("3","5","5","7","7","4","3","1") = "6"
    & skf21("3","5","5","7","7","4","4","1") = "6"
    & skf21("3","5","5","7","7","4","5","1") = "6"
    & skf21("3","5","5","7","7","4","6","1") = "6"
    & skf21("3","5","5","7","7","4","7","1") = "6"
    & skf21("3","5","5","7","7","5","1","1") = "6"
    & skf21("3","5","5","7","7","5","2","1") = "6"
    & skf21("3","5","5","7","7","5","3","1") = "6"
    & skf21("3","5","5","7","7","5","4","1") = "6"
    & skf21("3","5","5","7","7","5","5","1") = "6"
    & skf21("3","5","5","7","7","5","6","1") = "6"
    & skf21("3","5","5","7","7","5","7","1") = "6"
    & skf21("3","5","5","7","7","6","1","1") = "6"
    & skf21("3","5","5","7","7","6","2","1") = "6"
    & skf21("3","5","5","7","7","6","3","1") = "6"
    & skf21("3","5","5","7","7","6","4","1") = "6"
    & skf21("3","5","5","7","7","6","5","1") = "6"
    & skf21("3","5","5","7","7","6","6","1") = "6"
    & skf21("3","5","5","7","7","6","7","1") = "6"
    & skf21("3","5","5","7","7","7","1","1") = "6"
    & skf21("3","5","5","7","7","7","2","1") = "6"
    & skf21("3","5","5","7","7","7","3","1") = "6"
    & skf21("3","5","5","7","7","7","4","1") = "6"
    & skf21("3","5","5","7","7","7","5","1") = "6"
    & skf21("3","5","5","7","7","7","6","1") = "6"
    & skf21("3","5","5","7","7","7","7","1") = "6"
    & skf21("3","5","6","1","1","1","1","1") = "5"
    & skf21("3","5","6","1","1","1","2","1") = "5"
    & skf21("3","5","6","1","1","1","3","1") = "5"
    & skf21("3","5","6","1","1","1","4","1") = "5"
    & skf21("3","5","6","1","1","1","5","1") = "5"
    & skf21("3","5","6","1","1","1","6","1") = "5"
    & skf21("3","5","6","1","1","1","7","1") = "6"
    & skf21("3","5","6","1","1","2","1","1") = "5"
    & skf21("3","5","6","1","1","2","2","1") = "5"
    & skf21("3","5","6","1","1","2","3","1") = "5"
    & skf21("3","5","6","1","1","2","4","1") = "5"
    & skf21("3","5","6","1","1","2","5","1") = "5"
    & skf21("3","5","6","1","1","2","6","1") = "5"
    & skf21("3","5","6","1","1","2","7","1") = "6"
    & skf21("3","5","6","1","1","3","1","1") = "5"
    & skf21("3","5","6","1","1","3","2","1") = "5"
    & skf21("3","5","6","1","1","3","3","1") = "5"
    & skf21("3","5","6","1","1","3","4","1") = "5"
    & skf21("3","5","6","1","1","3","5","1") = "5"
    & skf21("3","5","6","1","1","3","6","1") = "5"
    & skf21("3","5","6","1","1","3","7","1") = "6"
    & skf21("3","5","6","1","1","4","1","1") = "5"
    & skf21("3","5","6","1","1","4","2","1") = "5"
    & skf21("3","5","6","1","1","4","3","1") = "5"
    & skf21("3","5","6","1","1","4","4","1") = "5"
    & skf21("3","5","6","1","1","4","5","1") = "5"
    & skf21("3","5","6","1","1","4","6","1") = "5"
    & skf21("3","5","6","1","1","4","7","1") = "6"
    & skf21("3","5","6","1","1","5","1","1") = "5"
    & skf21("3","5","6","1","1","5","2","1") = "5"
    & skf21("3","5","6","1","1","5","3","1") = "5"
    & skf21("3","5","6","1","1","5","4","1") = "5"
    & skf21("3","5","6","1","1","5","5","1") = "5"
    & skf21("3","5","6","1","1","5","6","1") = "5"
    & skf21("3","5","6","1","1","5","7","1") = "6"
    & skf21("3","5","6","1","1","6","1","1") = "5"
    & skf21("3","5","6","1","1","6","2","1") = "5"
    & skf21("3","5","6","1","1","6","3","1") = "5"
    & skf21("3","5","6","1","1","6","4","1") = "5"
    & skf21("3","5","6","1","1","6","5","1") = "5"
    & skf21("3","5","6","1","1","6","6","1") = "5"
    & skf21("3","5","6","1","1","6","7","1") = "6"
    & skf21("3","5","6","1","1","7","1","1") = "6"
    & skf21("3","5","6","1","1","7","2","1") = "6"
    & skf21("3","5","6","1","1","7","3","1") = "6"
    & skf21("3","5","6","1","1","7","4","1") = "6"
    & skf21("3","5","6","1","1","7","5","1") = "6"
    & skf21("3","5","6","1","1","7","6","1") = "6"
    & skf21("3","5","6","1","1","7","7","1") = "6"
    & skf21("3","5","6","1","2","1","1","1") = "5"
    & skf21("3","5","6","1","2","1","2","1") = "5"
    & skf21("3","5","6","1","2","1","3","1") = "5"
    & skf21("3","5","6","1","2","1","4","1") = "5"
    & skf21("3","5","6","1","2","1","5","1") = "5"
    & skf21("3","5","6","1","2","1","6","1") = "5"
    & skf21("3","5","6","1","2","1","7","1") = "6"
    & skf21("3","5","6","1","2","2","1","1") = "5"
    & skf21("3","5","6","1","2","2","2","1") = "5"
    & skf21("3","5","6","1","2","2","3","1") = "5"
    & skf21("3","5","6","1","2","2","4","1") = "5"
    & skf21("3","5","6","1","2","2","5","1") = "5"
    & skf21("3","5","6","1","2","2","6","1") = "5"
    & skf21("3","5","6","1","2","2","7","1") = "6"
    & skf21("3","5","6","1","2","3","1","1") = "5"
    & skf21("3","5","6","1","2","3","2","1") = "5"
    & skf21("3","5","6","1","2","3","3","1") = "5"
    & skf21("3","5","6","1","2","3","4","1") = "5"
    & skf21("3","5","6","1","2","3","5","1") = "5"
    & skf21("3","5","6","1","2","3","6","1") = "5"
    & skf21("3","5","6","1","2","3","7","1") = "6"
    & skf21("3","5","6","1","2","4","1","1") = "5"
    & skf21("3","5","6","1","2","4","2","1") = "5"
    & skf21("3","5","6","1","2","4","3","1") = "5"
    & skf21("3","5","6","1","2","4","4","1") = "5"
    & skf21("3","5","6","1","2","4","5","1") = "5"
    & skf21("3","5","6","1","2","4","6","1") = "5"
    & skf21("3","5","6","1","2","4","7","1") = "6"
    & skf21("3","5","6","1","2","5","1","1") = "5"
    & skf21("3","5","6","1","2","5","2","1") = "5"
    & skf21("3","5","6","1","2","5","3","1") = "5"
    & skf21("3","5","6","1","2","5","4","1") = "5"
    & skf21("3","5","6","1","2","5","5","1") = "5"
    & skf21("3","5","6","1","2","5","6","1") = "5"
    & skf21("3","5","6","1","2","5","7","1") = "6"
    & skf21("3","5","6","1","2","6","1","1") = "5"
    & skf21("3","5","6","1","2","6","2","1") = "5"
    & skf21("3","5","6","1","2","6","3","1") = "5"
    & skf21("3","5","6","1","2","6","4","1") = "5"
    & skf21("3","5","6","1","2","6","5","1") = "5"
    & skf21("3","5","6","1","2","6","6","1") = "5"
    & skf21("3","5","6","1","2","6","7","1") = "6"
    & skf21("3","5","6","1","2","7","1","1") = "6"
    & skf21("3","5","6","1","2","7","2","1") = "6"
    & skf21("3","5","6","1","2","7","3","1") = "6"
    & skf21("3","5","6","1","2","7","4","1") = "6"
    & skf21("3","5","6","1","2","7","5","1") = "6"
    & skf21("3","5","6","1","2","7","6","1") = "6"
    & skf21("3","5","6","1","2","7","7","1") = "6"
    & skf21("3","5","6","1","3","1","1","1") = "5"
    & skf21("3","5","6","1","3","1","2","1") = "5"
    & skf21("3","5","6","1","3","1","3","1") = "5"
    & skf21("3","5","6","1","3","1","4","1") = "5"
    & skf21("3","5","6","1","3","1","5","1") = "5"
    & skf21("3","5","6","1","3","1","6","1") = "5"
    & skf21("3","5","6","1","3","1","7","1") = "6"
    & skf21("3","5","6","1","3","2","1","1") = "5"
    & skf21("3","5","6","1","3","2","2","1") = "5"
    & skf21("3","5","6","1","3","2","3","1") = "5"
    & skf21("3","5","6","1","3","2","4","1") = "5"
    & skf21("3","5","6","1","3","2","5","1") = "5"
    & skf21("3","5","6","1","3","2","6","1") = "5"
    & skf21("3","5","6","1","3","2","7","1") = "6"
    & skf21("3","5","6","1","3","3","1","1") = "5"
    & skf21("3","5","6","1","3","3","2","1") = "5"
    & skf21("3","5","6","1","3","3","3","1") = "5"
    & skf21("3","5","6","1","3","3","4","1") = "5"
    & skf21("3","5","6","1","3","3","5","1") = "5"
    & skf21("3","5","6","1","3","3","6","1") = "5"
    & skf21("3","5","6","1","3","3","7","1") = "6"
    & skf21("3","5","6","1","3","4","1","1") = "5"
    & skf21("3","5","6","1","3","4","2","1") = "5"
    & skf21("3","5","6","1","3","4","3","1") = "5"
    & skf21("3","5","6","1","3","4","4","1") = "5"
    & skf21("3","5","6","1","3","4","5","1") = "5"
    & skf21("3","5","6","1","3","4","6","1") = "5"
    & skf21("3","5","6","1","3","4","7","1") = "6"
    & skf21("3","5","6","1","3","5","1","1") = "5"
    & skf21("3","5","6","1","3","5","2","1") = "5"
    & skf21("3","5","6","1","3","5","3","1") = "5"
    & skf21("3","5","6","1","3","5","4","1") = "5"
    & skf21("3","5","6","1","3","5","5","1") = "5"
    & skf21("3","5","6","1","3","5","6","1") = "5"
    & skf21("3","5","6","1","3","5","7","1") = "6"
    & skf21("3","5","6","1","3","6","1","1") = "5"
    & skf21("3","5","6","1","3","6","2","1") = "5"
    & skf21("3","5","6","1","3","6","3","1") = "5"
    & skf21("3","5","6","1","3","6","4","1") = "5"
    & skf21("3","5","6","1","3","6","5","1") = "5"
    & skf21("3","5","6","1","3","6","6","1") = "5"
    & skf21("3","5","6","1","3","6","7","1") = "6"
    & skf21("3","5","6","1","3","7","1","1") = "6"
    & skf21("3","5","6","1","3","7","2","1") = "6"
    & skf21("3","5","6","1","3","7","3","1") = "6"
    & skf21("3","5","6","1","3","7","4","1") = "6"
    & skf21("3","5","6","1","3","7","5","1") = "6"
    & skf21("3","5","6","1","3","7","6","1") = "6"
    & skf21("3","5","6","1","3","7","7","1") = "6"
    & skf21("3","5","6","1","4","1","1","1") = "5"
    & skf21("3","5","6","1","4","1","2","1") = "5"
    & skf21("3","5","6","1","4","1","3","1") = "5"
    & skf21("3","5","6","1","4","1","4","1") = "5"
    & skf21("3","5","6","1","4","1","5","1") = "5"
    & skf21("3","5","6","1","4","1","6","1") = "5"
    & skf21("3","5","6","1","4","1","7","1") = "6"
    & skf21("3","5","6","1","4","2","1","1") = "5"
    & skf21("3","5","6","1","4","2","2","1") = "5"
    & skf21("3","5","6","1","4","2","3","1") = "5"
    & skf21("3","5","6","1","4","2","4","1") = "5"
    & skf21("3","5","6","1","4","2","5","1") = "5"
    & skf21("3","5","6","1","4","2","6","1") = "5"
    & skf21("3","5","6","1","4","2","7","1") = "6"
    & skf21("3","5","6","1","4","3","1","1") = "5"
    & skf21("3","5","6","1","4","3","2","1") = "5"
    & skf21("3","5","6","1","4","3","3","1") = "5"
    & skf21("3","5","6","1","4","3","4","1") = "5"
    & skf21("3","5","6","1","4","3","5","1") = "5"
    & skf21("3","5","6","1","4","3","6","1") = "5"
    & skf21("3","5","6","1","4","3","7","1") = "6"
    & skf21("3","5","6","1","4","4","1","1") = "5"
    & skf21("3","5","6","1","4","4","2","1") = "5"
    & skf21("3","5","6","1","4","4","3","1") = "5"
    & skf21("3","5","6","1","4","4","4","1") = "5"
    & skf21("3","5","6","1","4","4","5","1") = "5"
    & skf21("3","5","6","1","4","4","6","1") = "5"
    & skf21("3","5","6","1","4","4","7","1") = "6"
    & skf21("3","5","6","1","4","5","1","1") = "5"
    & skf21("3","5","6","1","4","5","2","1") = "5"
    & skf21("3","5","6","1","4","5","3","1") = "5"
    & skf21("3","5","6","1","4","5","4","1") = "5"
    & skf21("3","5","6","1","4","5","5","1") = "5"
    & skf21("3","5","6","1","4","5","6","1") = "5"
    & skf21("3","5","6","1","4","5","7","1") = "6"
    & skf21("3","5","6","1","4","6","1","1") = "5"
    & skf21("3","5","6","1","4","6","2","1") = "5"
    & skf21("3","5","6","1","4","6","3","1") = "5"
    & skf21("3","5","6","1","4","6","4","1") = "5"
    & skf21("3","5","6","1","4","6","5","1") = "5"
    & skf21("3","5","6","1","4","6","6","1") = "5"
    & skf21("3","5","6","1","4","6","7","1") = "6"
    & skf21("3","5","6","1","4","7","1","1") = "6"
    & skf21("3","5","6","1","4","7","2","1") = "6"
    & skf21("3","5","6","1","4","7","3","1") = "6"
    & skf21("3","5","6","1","4","7","4","1") = "6"
    & skf21("3","5","6","1","4","7","5","1") = "6"
    & skf21("3","5","6","1","4","7","6","1") = "6"
    & skf21("3","5","6","1","4","7","7","1") = "6"
    & skf21("3","5","6","1","5","1","1","1") = "5"
    & skf21("3","5","6","1","5","1","2","1") = "5"
    & skf21("3","5","6","1","5","1","3","1") = "5"
    & skf21("3","5","6","1","5","1","4","1") = "5"
    & skf21("3","5","6","1","5","1","5","1") = "5"
    & skf21("3","5","6","1","5","1","6","1") = "5"
    & skf21("3","5","6","1","5","1","7","1") = "6"
    & skf21("3","5","6","1","5","2","1","1") = "5"
    & skf21("3","5","6","1","5","2","2","1") = "5"
    & skf21("3","5","6","1","5","2","3","1") = "5"
    & skf21("3","5","6","1","5","2","4","1") = "5"
    & skf21("3","5","6","1","5","2","5","1") = "5"
    & skf21("3","5","6","1","5","2","6","1") = "5"
    & skf21("3","5","6","1","5","2","7","1") = "6"
    & skf21("3","5","6","1","5","3","1","1") = "5"
    & skf21("3","5","6","1","5","3","2","1") = "5"
    & skf21("3","5","6","1","5","3","3","1") = "5"
    & skf21("3","5","6","1","5","3","4","1") = "5"
    & skf21("3","5","6","1","5","3","5","1") = "5"
    & skf21("3","5","6","1","5","3","6","1") = "5"
    & skf21("3","5","6","1","5","3","7","1") = "6"
    & skf21("3","5","6","1","5","4","1","1") = "5"
    & skf21("3","5","6","1","5","4","2","1") = "5"
    & skf21("3","5","6","1","5","4","3","1") = "5"
    & skf21("3","5","6","1","5","4","4","1") = "5"
    & skf21("3","5","6","1","5","4","5","1") = "5"
    & skf21("3","5","6","1","5","4","6","1") = "5"
    & skf21("3","5","6","1","5","4","7","1") = "6"
    & skf21("3","5","6","1","5","5","1","1") = "5"
    & skf21("3","5","6","1","5","5","2","1") = "5"
    & skf21("3","5","6","1","5","5","3","1") = "5"
    & skf21("3","5","6","1","5","5","4","1") = "5"
    & skf21("3","5","6","1","5","5","5","1") = "5"
    & skf21("3","5","6","1","5","5","6","1") = "5"
    & skf21("3","5","6","1","5","5","7","1") = "6"
    & skf21("3","5","6","1","5","6","1","1") = "5"
    & skf21("3","5","6","1","5","6","2","1") = "5"
    & skf21("3","5","6","1","5","6","3","1") = "5"
    & skf21("3","5","6","1","5","6","4","1") = "5"
    & skf21("3","5","6","1","5","6","5","1") = "5"
    & skf21("3","5","6","1","5","6","6","1") = "5"
    & skf21("3","5","6","1","5","6","7","1") = "6"
    & skf21("3","5","6","1","5","7","1","1") = "6"
    & skf21("3","5","6","1","5","7","2","1") = "6"
    & skf21("3","5","6","1","5","7","3","1") = "6"
    & skf21("3","5","6","1","5","7","4","1") = "6"
    & skf21("3","5","6","1","5","7","5","1") = "6"
    & skf21("3","5","6","1","5","7","6","1") = "6"
    & skf21("3","5","6","1","5","7","7","1") = "6"
    & skf21("3","5","6","1","6","1","1","1") = "5"
    & skf21("3","5","6","1","6","1","2","1") = "5"
    & skf21("3","5","6","1","6","1","3","1") = "5"
    & skf21("3","5","6","1","6","1","4","1") = "5"
    & skf21("3","5","6","1","6","1","5","1") = "5"
    & skf21("3","5","6","1","6","1","6","1") = "5"
    & skf21("3","5","6","1","6","1","7","1") = "6"
    & skf21("3","5","6","1","6","2","1","1") = "5"
    & skf21("3","5","6","1","6","2","2","1") = "5"
    & skf21("3","5","6","1","6","2","3","1") = "5"
    & skf21("3","5","6","1","6","2","4","1") = "5"
    & skf21("3","5","6","1","6","2","5","1") = "5"
    & skf21("3","5","6","1","6","2","6","1") = "5"
    & skf21("3","5","6","1","6","2","7","1") = "6"
    & skf21("3","5","6","1","6","3","1","1") = "5"
    & skf21("3","5","6","1","6","3","2","1") = "5"
    & skf21("3","5","6","1","6","3","3","1") = "5"
    & skf21("3","5","6","1","6","3","4","1") = "5"
    & skf21("3","5","6","1","6","3","5","1") = "5"
    & skf21("3","5","6","1","6","3","6","1") = "5"
    & skf21("3","5","6","1","6","3","7","1") = "6"
    & skf21("3","5","6","1","6","4","1","1") = "5"
    & skf21("3","5","6","1","6","4","2","1") = "5"
    & skf21("3","5","6","1","6","4","3","1") = "5"
    & skf21("3","5","6","1","6","4","4","1") = "5"
    & skf21("3","5","6","1","6","4","5","1") = "5"
    & skf21("3","5","6","1","6","4","6","1") = "5"
    & skf21("3","5","6","1","6","4","7","1") = "6"
    & skf21("3","5","6","1","6","5","1","1") = "5"
    & skf21("3","5","6","1","6","5","2","1") = "5"
    & skf21("3","5","6","1","6","5","3","1") = "5"
    & skf21("3","5","6","1","6","5","4","1") = "5"
    & skf21("3","5","6","1","6","5","5","1") = "5"
    & skf21("3","5","6","1","6","5","6","1") = "5"
    & skf21("3","5","6","1","6","5","7","1") = "6"
    & skf21("3","5","6","1","6","6","1","1") = "5"
    & skf21("3","5","6","1","6","6","2","1") = "5"
    & skf21("3","5","6","1","6","6","3","1") = "5"
    & skf21("3","5","6","1","6","6","4","1") = "5"
    & skf21("3","5","6","1","6","6","5","1") = "5"
    & skf21("3","5","6","1","6","6","6","1") = "5"
    & skf21("3","5","6","1","6","6","7","1") = "6"
    & skf21("3","5","6","1","6","7","1","1") = "6"
    & skf21("3","5","6","1","6","7","2","1") = "6"
    & skf21("3","5","6","1","6","7","3","1") = "6"
    & skf21("3","5","6","1","6","7","4","1") = "6"
    & skf21("3","5","6","1","6","7","5","1") = "6"
    & skf21("3","5","6","1","6","7","6","1") = "6"
    & skf21("3","5","6","1","6","7","7","1") = "6"
    & skf21("3","5","6","1","7","1","1","1") = "6"
    & skf21("3","5","6","1","7","1","2","1") = "6"
    & skf21("3","5","6","1","7","1","3","1") = "6"
    & skf21("3","5","6","1","7","1","4","1") = "6"
    & skf21("3","5","6","1","7","1","5","1") = "6"
    & skf21("3","5","6","1","7","1","6","1") = "6"
    & skf21("3","5","6","1","7","1","7","1") = "6"
    & skf21("3","5","6","1","7","2","1","1") = "6"
    & skf21("3","5","6","1","7","2","2","1") = "6"
    & skf21("3","5","6","1","7","2","3","1") = "6"
    & skf21("3","5","6","1","7","2","4","1") = "6"
    & skf21("3","5","6","1","7","2","5","1") = "6"
    & skf21("3","5","6","1","7","2","6","1") = "6"
    & skf21("3","5","6","1","7","2","7","1") = "6"
    & skf21("3","5","6","1","7","3","1","1") = "6"
    & skf21("3","5","6","1","7","3","2","1") = "6"
    & skf21("3","5","6","1","7","3","3","1") = "6"
    & skf21("3","5","6","1","7","3","4","1") = "6"
    & skf21("3","5","6","1","7","3","5","1") = "6"
    & skf21("3","5","6","1","7","3","6","1") = "6"
    & skf21("3","5","6","1","7","3","7","1") = "6"
    & skf21("3","5","6","1","7","4","1","1") = "6"
    & skf21("3","5","6","1","7","4","2","1") = "6"
    & skf21("3","5","6","1","7","4","3","1") = "6"
    & skf21("3","5","6","1","7","4","4","1") = "6"
    & skf21("3","5","6","1","7","4","5","1") = "6"
    & skf21("3","5","6","1","7","4","6","1") = "6"
    & skf21("3","5","6","1","7","4","7","1") = "6"
    & skf21("3","5","6","1","7","5","1","1") = "6"
    & skf21("3","5","6","1","7","5","2","1") = "6"
    & skf21("3","5","6","1","7","5","3","1") = "6"
    & skf21("3","5","6","1","7","5","4","1") = "6"
    & skf21("3","5","6","1","7","5","5","1") = "6"
    & skf21("3","5","6","1","7","5","6","1") = "6"
    & skf21("3","5","6","1","7","5","7","1") = "6"
    & skf21("3","5","6","1","7","6","1","1") = "6"
    & skf21("3","5","6","1","7","6","2","1") = "6"
    & skf21("3","5","6","1","7","6","3","1") = "6"
    & skf21("3","5","6","1","7","6","4","1") = "6"
    & skf21("3","5","6","1","7","6","5","1") = "6"
    & skf21("3","5","6","1","7","6","6","1") = "6"
    & skf21("3","5","6","1","7","6","7","1") = "6"
    & skf21("3","5","6","1","7","7","1","1") = "6"
    & skf21("3","5","6","1","7","7","2","1") = "6"
    & skf21("3","5","6","1","7","7","3","1") = "6"
    & skf21("3","5","6","1","7","7","4","1") = "6"
    & skf21("3","5","6","1","7","7","5","1") = "6"
    & skf21("3","5","6","1","7","7","6","1") = "6"
    & skf21("3","5","6","1","7","7","7","1") = "6"
    & skf21("3","5","6","2","1","1","1","1") = "5"
    & skf21("3","5","6","2","1","1","2","1") = "5"
    & skf21("3","5","6","2","1","1","3","1") = "5"
    & skf21("3","5","6","2","1","1","4","1") = "5"
    & skf21("3","5","6","2","1","1","5","1") = "5"
    & skf21("3","5","6","2","1","1","6","1") = "5"
    & skf21("3","5","6","2","1","1","7","1") = "6"
    & skf21("3","5","6","2","1","2","1","1") = "5"
    & skf21("3","5","6","2","1","2","2","1") = "5"
    & skf21("3","5","6","2","1","2","3","1") = "5"
    & skf21("3","5","6","2","1","2","4","1") = "5"
    & skf21("3","5","6","2","1","2","5","1") = "5"
    & skf21("3","5","6","2","1","2","6","1") = "5"
    & skf21("3","5","6","2","1","2","7","1") = "6"
    & skf21("3","5","6","2","1","3","1","1") = "5"
    & skf21("3","5","6","2","1","3","2","1") = "5"
    & skf21("3","5","6","2","1","3","3","1") = "5"
    & skf21("3","5","6","2","1","3","4","1") = "5"
    & skf21("3","5","6","2","1","3","5","1") = "5"
    & skf21("3","5","6","2","1","3","6","1") = "5"
    & skf21("3","5","6","2","1","3","7","1") = "6"
    & skf21("3","5","6","2","1","4","1","1") = "5"
    & skf21("3","5","6","2","1","4","2","1") = "5"
    & skf21("3","5","6","2","1","4","3","1") = "5"
    & skf21("3","5","6","2","1","4","4","1") = "5"
    & skf21("3","5","6","2","1","4","5","1") = "5"
    & skf21("3","5","6","2","1","4","6","1") = "5"
    & skf21("3","5","6","2","1","4","7","1") = "6"
    & skf21("3","5","6","2","1","5","1","1") = "5"
    & skf21("3","5","6","2","1","5","2","1") = "5"
    & skf21("3","5","6","2","1","5","3","1") = "5"
    & skf21("3","5","6","2","1","5","4","1") = "5"
    & skf21("3","5","6","2","1","5","5","1") = "5"
    & skf21("3","5","6","2","1","5","6","1") = "5"
    & skf21("3","5","6","2","1","5","7","1") = "6"
    & skf21("3","5","6","2","1","6","1","1") = "5"
    & skf21("3","5","6","2","1","6","2","1") = "5"
    & skf21("3","5","6","2","1","6","3","1") = "5"
    & skf21("3","5","6","2","1","6","4","1") = "5"
    & skf21("3","5","6","2","1","6","5","1") = "5"
    & skf21("3","5","6","2","1","6","6","1") = "5"
    & skf21("3","5","6","2","1","6","7","1") = "6"
    & skf21("3","5","6","2","1","7","1","1") = "6"
    & skf21("3","5","6","2","1","7","2","1") = "6"
    & skf21("3","5","6","2","1","7","3","1") = "6"
    & skf21("3","5","6","2","1","7","4","1") = "6"
    & skf21("3","5","6","2","1","7","5","1") = "6"
    & skf21("3","5","6","2","1","7","6","1") = "6"
    & skf21("3","5","6","2","1","7","7","1") = "6"
    & skf21("3","5","6","2","2","1","1","1") = "5"
    & skf21("3","5","6","2","2","1","2","1") = "5"
    & skf21("3","5","6","2","2","1","3","1") = "5"
    & skf21("3","5","6","2","2","1","4","1") = "5"
    & skf21("3","5","6","2","2","1","5","1") = "5"
    & skf21("3","5","6","2","2","1","6","1") = "5"
    & skf21("3","5","6","2","2","1","7","1") = "6"
    & skf21("3","5","6","2","2","2","1","1") = "5"
    & skf21("3","5","6","2","2","2","2","1") = "5"
    & skf21("3","5","6","2","2","2","3","1") = "5"
    & skf21("3","5","6","2","2","2","4","1") = "5"
    & skf21("3","5","6","2","2","2","5","1") = "5"
    & skf21("3","5","6","2","2","2","6","1") = "5"
    & skf21("3","5","6","2","2","2","7","1") = "6"
    & skf21("3","5","6","2","2","3","1","1") = "5"
    & skf21("3","5","6","2","2","3","2","1") = "5"
    & skf21("3","5","6","2","2","3","3","1") = "5"
    & skf21("3","5","6","2","2","3","4","1") = "5"
    & skf21("3","5","6","2","2","3","5","1") = "5"
    & skf21("3","5","6","2","2","3","6","1") = "5"
    & skf21("3","5","6","2","2","3","7","1") = "6"
    & skf21("3","5","6","2","2","4","1","1") = "5"
    & skf21("3","5","6","2","2","4","2","1") = "5"
    & skf21("3","5","6","2","2","4","3","1") = "5"
    & skf21("3","5","6","2","2","4","4","1") = "5"
    & skf21("3","5","6","2","2","4","5","1") = "5"
    & skf21("3","5","6","2","2","4","6","1") = "5"
    & skf21("3","5","6","2","2","4","7","1") = "6"
    & skf21("3","5","6","2","2","5","1","1") = "5"
    & skf21("3","5","6","2","2","5","2","1") = "5"
    & skf21("3","5","6","2","2","5","3","1") = "5"
    & skf21("3","5","6","2","2","5","4","1") = "5"
    & skf21("3","5","6","2","2","5","5","1") = "5"
    & skf21("3","5","6","2","2","5","6","1") = "5"
    & skf21("3","5","6","2","2","5","7","1") = "6"
    & skf21("3","5","6","2","2","6","1","1") = "5"
    & skf21("3","5","6","2","2","6","2","1") = "5"
    & skf21("3","5","6","2","2","6","3","1") = "5"
    & skf21("3","5","6","2","2","6","4","1") = "5"
    & skf21("3","5","6","2","2","6","5","1") = "5"
    & skf21("3","5","6","2","2","6","6","1") = "5"
    & skf21("3","5","6","2","2","6","7","1") = "6"
    & skf21("3","5","6","2","2","7","1","1") = "6"
    & skf21("3","5","6","2","2","7","2","1") = "6"
    & skf21("3","5","6","2","2","7","3","1") = "6"
    & skf21("3","5","6","2","2","7","4","1") = "6"
    & skf21("3","5","6","2","2","7","5","1") = "6"
    & skf21("3","5","6","2","2","7","6","1") = "6"
    & skf21("3","5","6","2","2","7","7","1") = "6"
    & skf21("3","5","6","2","3","1","1","1") = "5"
    & skf21("3","5","6","2","3","1","2","1") = "5"
    & skf21("3","5","6","2","3","1","3","1") = "5"
    & skf21("3","5","6","2","3","1","4","1") = "5"
    & skf21("3","5","6","2","3","1","5","1") = "5"
    & skf21("3","5","6","2","3","1","6","1") = "5"
    & skf21("3","5","6","2","3","1","7","1") = "6"
    & skf21("3","5","6","2","3","2","1","1") = "5"
    & skf21("3","5","6","2","3","2","2","1") = "5"
    & skf21("3","5","6","2","3","2","3","1") = "5"
    & skf21("3","5","6","2","3","2","4","1") = "5"
    & skf21("3","5","6","2","3","2","5","1") = "5"
    & skf21("3","5","6","2","3","2","6","1") = "5"
    & skf21("3","5","6","2","3","2","7","1") = "6"
    & skf21("3","5","6","2","3","3","1","1") = "5"
    & skf21("3","5","6","2","3","3","2","1") = "5"
    & skf21("3","5","6","2","3","3","3","1") = "5"
    & skf21("3","5","6","2","3","3","4","1") = "5"
    & skf21("3","5","6","2","3","3","5","1") = "5"
    & skf21("3","5","6","2","3","3","6","1") = "5"
    & skf21("3","5","6","2","3","3","7","1") = "6"
    & skf21("3","5","6","2","3","4","1","1") = "5"
    & skf21("3","5","6","2","3","4","2","1") = "5"
    & skf21("3","5","6","2","3","4","3","1") = "5"
    & skf21("3","5","6","2","3","4","4","1") = "5"
    & skf21("3","5","6","2","3","4","5","1") = "5"
    & skf21("3","5","6","2","3","4","6","1") = "5"
    & skf21("3","5","6","2","3","4","7","1") = "6"
    & skf21("3","5","6","2","3","5","1","1") = "5"
    & skf21("3","5","6","2","3","5","2","1") = "5"
    & skf21("3","5","6","2","3","5","3","1") = "5"
    & skf21("3","5","6","2","3","5","4","1") = "5"
    & skf21("3","5","6","2","3","5","5","1") = "5"
    & skf21("3","5","6","2","3","5","6","1") = "5"
    & skf21("3","5","6","2","3","5","7","1") = "6"
    & skf21("3","5","6","2","3","6","1","1") = "5"
    & skf21("3","5","6","2","3","6","2","1") = "5"
    & skf21("3","5","6","2","3","6","3","1") = "5"
    & skf21("3","5","6","2","3","6","4","1") = "5"
    & skf21("3","5","6","2","3","6","5","1") = "5"
    & skf21("3","5","6","2","3","6","6","1") = "5"
    & skf21("3","5","6","2","3","6","7","1") = "6"
    & skf21("3","5","6","2","3","7","1","1") = "6"
    & skf21("3","5","6","2","3","7","2","1") = "6"
    & skf21("3","5","6","2","3","7","3","1") = "6"
    & skf21("3","5","6","2","3","7","4","1") = "6"
    & skf21("3","5","6","2","3","7","5","1") = "6"
    & skf21("3","5","6","2","3","7","6","1") = "6"
    & skf21("3","5","6","2","3","7","7","1") = "6"
    & skf21("3","5","6","2","4","1","1","1") = "5"
    & skf21("3","5","6","2","4","1","2","1") = "5"
    & skf21("3","5","6","2","4","1","3","1") = "5"
    & skf21("3","5","6","2","4","1","4","1") = "5"
    & skf21("3","5","6","2","4","1","5","1") = "5"
    & skf21("3","5","6","2","4","1","6","1") = "5"
    & skf21("3","5","6","2","4","1","7","1") = "6"
    & skf21("3","5","6","2","4","2","1","1") = "5"
    & skf21("3","5","6","2","4","2","2","1") = "5"
    & skf21("3","5","6","2","4","2","3","1") = "5"
    & skf21("3","5","6","2","4","2","4","1") = "5"
    & skf21("3","5","6","2","4","2","5","1") = "5"
    & skf21("3","5","6","2","4","2","6","1") = "5"
    & skf21("3","5","6","2","4","2","7","1") = "6"
    & skf21("3","5","6","2","4","3","1","1") = "5"
    & skf21("3","5","6","2","4","3","2","1") = "5"
    & skf21("3","5","6","2","4","3","3","1") = "5"
    & skf21("3","5","6","2","4","3","4","1") = "5"
    & skf21("3","5","6","2","4","3","5","1") = "5"
    & skf21("3","5","6","2","4","3","6","1") = "5"
    & skf21("3","5","6","2","4","3","7","1") = "6"
    & skf21("3","5","6","2","4","4","1","1") = "5"
    & skf21("3","5","6","2","4","4","2","1") = "5"
    & skf21("3","5","6","2","4","4","3","1") = "5"
    & skf21("3","5","6","2","4","4","4","1") = "5"
    & skf21("3","5","6","2","4","4","5","1") = "5"
    & skf21("3","5","6","2","4","4","6","1") = "5"
    & skf21("3","5","6","2","4","4","7","1") = "6"
    & skf21("3","5","6","2","4","5","1","1") = "5"
    & skf21("3","5","6","2","4","5","2","1") = "5"
    & skf21("3","5","6","2","4","5","3","1") = "5"
    & skf21("3","5","6","2","4","5","4","1") = "5"
    & skf21("3","5","6","2","4","5","5","1") = "5"
    & skf21("3","5","6","2","4","5","6","1") = "5"
    & skf21("3","5","6","2","4","5","7","1") = "6"
    & skf21("3","5","6","2","4","6","1","1") = "5"
    & skf21("3","5","6","2","4","6","2","1") = "5"
    & skf21("3","5","6","2","4","6","3","1") = "5"
    & skf21("3","5","6","2","4","6","4","1") = "5"
    & skf21("3","5","6","2","4","6","5","1") = "5"
    & skf21("3","5","6","2","4","6","6","1") = "5"
    & skf21("3","5","6","2","4","6","7","1") = "6"
    & skf21("3","5","6","2","4","7","1","1") = "6"
    & skf21("3","5","6","2","4","7","2","1") = "6"
    & skf21("3","5","6","2","4","7","3","1") = "6"
    & skf21("3","5","6","2","4","7","4","1") = "6"
    & skf21("3","5","6","2","4","7","5","1") = "6"
    & skf21("3","5","6","2","4","7","6","1") = "6"
    & skf21("3","5","6","2","4","7","7","1") = "6"
    & skf21("3","5","6","2","5","1","1","1") = "5"
    & skf21("3","5","6","2","5","1","2","1") = "5"
    & skf21("3","5","6","2","5","1","3","1") = "5"
    & skf21("3","5","6","2","5","1","4","1") = "5"
    & skf21("3","5","6","2","5","1","5","1") = "5"
    & skf21("3","5","6","2","5","1","6","1") = "5"
    & skf21("3","5","6","2","5","1","7","1") = "6"
    & skf21("3","5","6","2","5","2","1","1") = "5"
    & skf21("3","5","6","2","5","2","2","1") = "5"
    & skf21("3","5","6","2","5","2","3","1") = "5"
    & skf21("3","5","6","2","5","2","4","1") = "5"
    & skf21("3","5","6","2","5","2","5","1") = "5"
    & skf21("3","5","6","2","5","2","6","1") = "5"
    & skf21("3","5","6","2","5","2","7","1") = "6"
    & skf21("3","5","6","2","5","3","1","1") = "5"
    & skf21("3","5","6","2","5","3","2","1") = "5"
    & skf21("3","5","6","2","5","3","3","1") = "5"
    & skf21("3","5","6","2","5","3","4","1") = "5"
    & skf21("3","5","6","2","5","3","5","1") = "5"
    & skf21("3","5","6","2","5","3","6","1") = "5"
    & skf21("3","5","6","2","5","3","7","1") = "6"
    & skf21("3","5","6","2","5","4","1","1") = "5"
    & skf21("3","5","6","2","5","4","2","1") = "5"
    & skf21("3","5","6","2","5","4","3","1") = "5"
    & skf21("3","5","6","2","5","4","4","1") = "5"
    & skf21("3","5","6","2","5","4","5","1") = "5"
    & skf21("3","5","6","2","5","4","6","1") = "5"
    & skf21("3","5","6","2","5","4","7","1") = "6"
    & skf21("3","5","6","2","5","5","1","1") = "5"
    & skf21("3","5","6","2","5","5","2","1") = "5"
    & skf21("3","5","6","2","5","5","3","1") = "5"
    & skf21("3","5","6","2","5","5","4","1") = "5"
    & skf21("3","5","6","2","5","5","5","1") = "5"
    & skf21("3","5","6","2","5","5","6","1") = "5"
    & skf21("3","5","6","2","5","5","7","1") = "6"
    & skf21("3","5","6","2","5","6","1","1") = "5"
    & skf21("3","5","6","2","5","6","2","1") = "5"
    & skf21("3","5","6","2","5","6","3","1") = "5"
    & skf21("3","5","6","2","5","6","4","1") = "5"
    & skf21("3","5","6","2","5","6","5","1") = "5"
    & skf21("3","5","6","2","5","6","6","1") = "5"
    & skf21("3","5","6","2","5","6","7","1") = "6"
    & skf21("3","5","6","2","5","7","1","1") = "6"
    & skf21("3","5","6","2","5","7","2","1") = "6"
    & skf21("3","5","6","2","5","7","3","1") = "6"
    & skf21("3","5","6","2","5","7","4","1") = "6"
    & skf21("3","5","6","2","5","7","5","1") = "6"
    & skf21("3","5","6","2","5","7","6","1") = "6"
    & skf21("3","5","6","2","5","7","7","1") = "6"
    & skf21("3","5","6","2","6","1","1","1") = "5"
    & skf21("3","5","6","2","6","1","2","1") = "5"
    & skf21("3","5","6","2","6","1","3","1") = "5"
    & skf21("3","5","6","2","6","1","4","1") = "5"
    & skf21("3","5","6","2","6","1","5","1") = "5"
    & skf21("3","5","6","2","6","1","6","1") = "5"
    & skf21("3","5","6","2","6","1","7","1") = "6"
    & skf21("3","5","6","2","6","2","1","1") = "5"
    & skf21("3","5","6","2","6","2","2","1") = "5"
    & skf21("3","5","6","2","6","2","3","1") = "5"
    & skf21("3","5","6","2","6","2","4","1") = "5"
    & skf21("3","5","6","2","6","2","5","1") = "5"
    & skf21("3","5","6","2","6","2","6","1") = "5"
    & skf21("3","5","6","2","6","2","7","1") = "6"
    & skf21("3","5","6","2","6","3","1","1") = "5"
    & skf21("3","5","6","2","6","3","2","1") = "5"
    & skf21("3","5","6","2","6","3","3","1") = "5"
    & skf21("3","5","6","2","6","3","4","1") = "5"
    & skf21("3","5","6","2","6","3","5","1") = "5"
    & skf21("3","5","6","2","6","3","6","1") = "5"
    & skf21("3","5","6","2","6","3","7","1") = "6"
    & skf21("3","5","6","2","6","4","1","1") = "5"
    & skf21("3","5","6","2","6","4","2","1") = "5"
    & skf21("3","5","6","2","6","4","3","1") = "5"
    & skf21("3","5","6","2","6","4","4","1") = "5"
    & skf21("3","5","6","2","6","4","5","1") = "5"
    & skf21("3","5","6","2","6","4","6","1") = "5"
    & skf21("3","5","6","2","6","4","7","1") = "6"
    & skf21("3","5","6","2","6","5","1","1") = "5"
    & skf21("3","5","6","2","6","5","2","1") = "5"
    & skf21("3","5","6","2","6","5","3","1") = "5"
    & skf21("3","5","6","2","6","5","4","1") = "5"
    & skf21("3","5","6","2","6","5","5","1") = "5"
    & skf21("3","5","6","2","6","5","6","1") = "5"
    & skf21("3","5","6","2","6","5","7","1") = "6"
    & skf21("3","5","6","2","6","6","1","1") = "5"
    & skf21("3","5","6","2","6","6","2","1") = "5"
    & skf21("3","5","6","2","6","6","3","1") = "5"
    & skf21("3","5","6","2","6","6","4","1") = "5"
    & skf21("3","5","6","2","6","6","5","1") = "5"
    & skf21("3","5","6","2","6","6","6","1") = "5"
    & skf21("3","5","6","2","6","6","7","1") = "6"
    & skf21("3","5","6","2","6","7","1","1") = "6"
    & skf21("3","5","6","2","6","7","2","1") = "6"
    & skf21("3","5","6","2","6","7","3","1") = "6"
    & skf21("3","5","6","2","6","7","4","1") = "6"
    & skf21("3","5","6","2","6","7","5","1") = "6"
    & skf21("3","5","6","2","6","7","6","1") = "6"
    & skf21("3","5","6","2","6","7","7","1") = "6"
    & skf21("3","5","6","2","7","1","1","1") = "6"
    & skf21("3","5","6","2","7","1","2","1") = "6"
    & skf21("3","5","6","2","7","1","3","1") = "6"
    & skf21("3","5","6","2","7","1","4","1") = "6"
    & skf21("3","5","6","2","7","1","5","1") = "6"
    & skf21("3","5","6","2","7","1","6","1") = "6"
    & skf21("3","5","6","2","7","1","7","1") = "6"
    & skf21("3","5","6","2","7","2","1","1") = "6"
    & skf21("3","5","6","2","7","2","2","1") = "6"
    & skf21("3","5","6","2","7","2","3","1") = "6"
    & skf21("3","5","6","2","7","2","4","1") = "6"
    & skf21("3","5","6","2","7","2","5","1") = "6"
    & skf21("3","5","6","2","7","2","6","1") = "6"
    & skf21("3","5","6","2","7","2","7","1") = "6"
    & skf21("3","5","6","2","7","3","1","1") = "6"
    & skf21("3","5","6","2","7","3","2","1") = "6"
    & skf21("3","5","6","2","7","3","3","1") = "6"
    & skf21("3","5","6","2","7","3","4","1") = "6"
    & skf21("3","5","6","2","7","3","5","1") = "6"
    & skf21("3","5","6","2","7","3","6","1") = "6"
    & skf21("3","5","6","2","7","3","7","1") = "6"
    & skf21("3","5","6","2","7","4","1","1") = "6"
    & skf21("3","5","6","2","7","4","2","1") = "6"
    & skf21("3","5","6","2","7","4","3","1") = "6"
    & skf21("3","5","6","2","7","4","4","1") = "6"
    & skf21("3","5","6","2","7","4","5","1") = "6"
    & skf21("3","5","6","2","7","4","6","1") = "6"
    & skf21("3","5","6","2","7","4","7","1") = "6"
    & skf21("3","5","6","2","7","5","1","1") = "6"
    & skf21("3","5","6","2","7","5","2","1") = "6"
    & skf21("3","5","6","2","7","5","3","1") = "6"
    & skf21("3","5","6","2","7","5","4","1") = "6"
    & skf21("3","5","6","2","7","5","5","1") = "6"
    & skf21("3","5","6","2","7","5","6","1") = "6"
    & skf21("3","5","6","2","7","5","7","1") = "6"
    & skf21("3","5","6","2","7","6","1","1") = "6"
    & skf21("3","5","6","2","7","6","2","1") = "6"
    & skf21("3","5","6","2","7","6","3","1") = "6"
    & skf21("3","5","6","2","7","6","4","1") = "6"
    & skf21("3","5","6","2","7","6","5","1") = "6"
    & skf21("3","5","6","2","7","6","6","1") = "6"
    & skf21("3","5","6","2","7","6","7","1") = "6"
    & skf21("3","5","6","2","7","7","1","1") = "6"
    & skf21("3","5","6","2","7","7","2","1") = "6"
    & skf21("3","5","6","2","7","7","3","1") = "6"
    & skf21("3","5","6","2","7","7","4","1") = "6"
    & skf21("3","5","6","2","7","7","5","1") = "6"
    & skf21("3","5","6","2","7","7","6","1") = "6"
    & skf21("3","5","6","2","7","7","7","1") = "6"
    & skf21("3","5","6","3","1","1","1","1") = "5"
    & skf21("3","5","6","3","1","1","2","1") = "5"
    & skf21("3","5","6","3","1","1","3","1") = "5"
    & skf21("3","5","6","3","1","1","4","1") = "5"
    & skf21("3","5","6","3","1","1","5","1") = "5"
    & skf21("3","5","6","3","1","1","6","1") = "5"
    & skf21("3","5","6","3","1","1","7","1") = "6"
    & skf21("3","5","6","3","1","2","1","1") = "5"
    & skf21("3","5","6","3","1","2","2","1") = "5"
    & skf21("3","5","6","3","1","2","3","1") = "5"
    & skf21("3","5","6","3","1","2","4","1") = "5"
    & skf21("3","5","6","3","1","2","5","1") = "5"
    & skf21("3","5","6","3","1","2","6","1") = "5"
    & skf21("3","5","6","3","1","2","7","1") = "6"
    & skf21("3","5","6","3","1","3","1","1") = "5"
    & skf21("3","5","6","3","1","3","2","1") = "5"
    & skf21("3","5","6","3","1","3","3","1") = "5"
    & skf21("3","5","6","3","1","3","4","1") = "5"
    & skf21("3","5","6","3","1","3","5","1") = "5"
    & skf21("3","5","6","3","1","3","6","1") = "5"
    & skf21("3","5","6","3","1","3","7","1") = "6"
    & skf21("3","5","6","3","1","4","1","1") = "5"
    & skf21("3","5","6","3","1","4","2","1") = "5"
    & skf21("3","5","6","3","1","4","3","1") = "5"
    & skf21("3","5","6","3","1","4","4","1") = "5"
    & skf21("3","5","6","3","1","4","5","1") = "5"
    & skf21("3","5","6","3","1","4","6","1") = "5"
    & skf21("3","5","6","3","1","4","7","1") = "6"
    & skf21("3","5","6","3","1","5","1","1") = "5"
    & skf21("3","5","6","3","1","5","2","1") = "5"
    & skf21("3","5","6","3","1","5","3","1") = "5"
    & skf21("3","5","6","3","1","5","4","1") = "5"
    & skf21("3","5","6","3","1","5","5","1") = "5"
    & skf21("3","5","6","3","1","5","6","1") = "5"
    & skf21("3","5","6","3","1","5","7","1") = "6"
    & skf21("3","5","6","3","1","6","1","1") = "5"
    & skf21("3","5","6","3","1","6","2","1") = "5"
    & skf21("3","5","6","3","1","6","3","1") = "5"
    & skf21("3","5","6","3","1","6","4","1") = "5"
    & skf21("3","5","6","3","1","6","5","1") = "5"
    & skf21("3","5","6","3","1","6","6","1") = "5"
    & skf21("3","5","6","3","1","6","7","1") = "6"
    & skf21("3","5","6","3","1","7","1","1") = "6"
    & skf21("3","5","6","3","1","7","2","1") = "6"
    & skf21("3","5","6","3","1","7","3","1") = "6"
    & skf21("3","5","6","3","1","7","4","1") = "6"
    & skf21("3","5","6","3","1","7","5","1") = "6"
    & skf21("3","5","6","3","1","7","6","1") = "6"
    & skf21("3","5","6","3","1","7","7","1") = "6"
    & skf21("3","5","6","3","2","1","1","1") = "5"
    & skf21("3","5","6","3","2","1","2","1") = "5"
    & skf21("3","5","6","3","2","1","3","1") = "5"
    & skf21("3","5","6","3","2","1","4","1") = "5"
    & skf21("3","5","6","3","2","1","5","1") = "5"
    & skf21("3","5","6","3","2","1","6","1") = "5"
    & skf21("3","5","6","3","2","1","7","1") = "6"
    & skf21("3","5","6","3","2","2","1","1") = "5"
    & skf21("3","5","6","3","2","2","2","1") = "5"
    & skf21("3","5","6","3","2","2","3","1") = "5"
    & skf21("3","5","6","3","2","2","4","1") = "5"
    & skf21("3","5","6","3","2","2","5","1") = "5"
    & skf21("3","5","6","3","2","2","6","1") = "5"
    & skf21("3","5","6","3","2","2","7","1") = "6"
    & skf21("3","5","6","3","2","3","1","1") = "5"
    & skf21("3","5","6","3","2","3","2","1") = "5"
    & skf21("3","5","6","3","2","3","3","1") = "5"
    & skf21("3","5","6","3","2","3","4","1") = "5"
    & skf21("3","5","6","3","2","3","5","1") = "5"
    & skf21("3","5","6","3","2","3","6","1") = "5"
    & skf21("3","5","6","3","2","3","7","1") = "6"
    & skf21("3","5","6","3","2","4","1","1") = "5"
    & skf21("3","5","6","3","2","4","2","1") = "5"
    & skf21("3","5","6","3","2","4","3","1") = "5"
    & skf21("3","5","6","3","2","4","4","1") = "5"
    & skf21("3","5","6","3","2","4","5","1") = "5"
    & skf21("3","5","6","3","2","4","6","1") = "5"
    & skf21("3","5","6","3","2","4","7","1") = "6"
    & skf21("3","5","6","3","2","5","1","1") = "5"
    & skf21("3","5","6","3","2","5","2","1") = "5"
    & skf21("3","5","6","3","2","5","3","1") = "5"
    & skf21("3","5","6","3","2","5","4","1") = "5"
    & skf21("3","5","6","3","2","5","5","1") = "5"
    & skf21("3","5","6","3","2","5","6","1") = "5"
    & skf21("3","5","6","3","2","5","7","1") = "6"
    & skf21("3","5","6","3","2","6","1","1") = "5"
    & skf21("3","5","6","3","2","6","2","1") = "5"
    & skf21("3","5","6","3","2","6","3","1") = "5"
    & skf21("3","5","6","3","2","6","4","1") = "5"
    & skf21("3","5","6","3","2","6","5","1") = "5"
    & skf21("3","5","6","3","2","6","6","1") = "5"
    & skf21("3","5","6","3","2","6","7","1") = "6"
    & skf21("3","5","6","3","2","7","1","1") = "6"
    & skf21("3","5","6","3","2","7","2","1") = "6"
    & skf21("3","5","6","3","2","7","3","1") = "6"
    & skf21("3","5","6","3","2","7","4","1") = "6"
    & skf21("3","5","6","3","2","7","5","1") = "6"
    & skf21("3","5","6","3","2","7","6","1") = "6"
    & skf21("3","5","6","3","2","7","7","1") = "6"
    & skf21("3","5","6","3","3","1","1","1") = "5"
    & skf21("3","5","6","3","3","1","2","1") = "5"
    & skf21("3","5","6","3","3","1","3","1") = "5"
    & skf21("3","5","6","3","3","1","4","1") = "5"
    & skf21("3","5","6","3","3","1","5","1") = "5"
    & skf21("3","5","6","3","3","1","6","1") = "5"
    & skf21("3","5","6","3","3","1","7","1") = "6"
    & skf21("3","5","6","3","3","2","1","1") = "5"
    & skf21("3","5","6","3","3","2","2","1") = "5"
    & skf21("3","5","6","3","3","2","3","1") = "5"
    & skf21("3","5","6","3","3","2","4","1") = "5"
    & skf21("3","5","6","3","3","2","5","1") = "5"
    & skf21("3","5","6","3","3","2","6","1") = "5"
    & skf21("3","5","6","3","3","2","7","1") = "6"
    & skf21("3","5","6","3","3","3","1","1") = "5"
    & skf21("3","5","6","3","3","3","2","1") = "5"
    & skf21("3","5","6","3","3","3","3","1") = "5"
    & skf21("3","5","6","3","3","3","4","1") = "5"
    & skf21("3","5","6","3","3","3","5","1") = "5"
    & skf21("3","5","6","3","3","3","6","1") = "5"
    & skf21("3","5","6","3","3","3","7","1") = "6"
    & skf21("3","5","6","3","3","4","1","1") = "5"
    & skf21("3","5","6","3","3","4","2","1") = "5"
    & skf21("3","5","6","3","3","4","3","1") = "5"
    & skf21("3","5","6","3","3","4","4","1") = "5"
    & skf21("3","5","6","3","3","4","5","1") = "5"
    & skf21("3","5","6","3","3","4","6","1") = "5"
    & skf21("3","5","6","3","3","4","7","1") = "6"
    & skf21("3","5","6","3","3","5","1","1") = "5"
    & skf21("3","5","6","3","3","5","2","1") = "5"
    & skf21("3","5","6","3","3","5","3","1") = "5"
    & skf21("3","5","6","3","3","5","4","1") = "5"
    & skf21("3","5","6","3","3","5","5","1") = "5"
    & skf21("3","5","6","3","3","5","6","1") = "5"
    & skf21("3","5","6","3","3","5","7","1") = "6"
    & skf21("3","5","6","3","3","6","1","1") = "5"
    & skf21("3","5","6","3","3","6","2","1") = "5"
    & skf21("3","5","6","3","3","6","3","1") = "5"
    & skf21("3","5","6","3","3","6","4","1") = "5"
    & skf21("3","5","6","3","3","6","5","1") = "5"
    & skf21("3","5","6","3","3","6","6","1") = "5"
    & skf21("3","5","6","3","3","6","7","1") = "6"
    & skf21("3","5","6","3","3","7","1","1") = "6"
    & skf21("3","5","6","3","3","7","2","1") = "6"
    & skf21("3","5","6","3","3","7","3","1") = "6"
    & skf21("3","5","6","3","3","7","4","1") = "6"
    & skf21("3","5","6","3","3","7","5","1") = "6"
    & skf21("3","5","6","3","3","7","6","1") = "6"
    & skf21("3","5","6","3","3","7","7","1") = "6"
    & skf21("3","5","6","3","4","1","1","1") = "5"
    & skf21("3","5","6","3","4","1","2","1") = "5"
    & skf21("3","5","6","3","4","1","3","1") = "5"
    & skf21("3","5","6","3","4","1","4","1") = "5"
    & skf21("3","5","6","3","4","1","5","1") = "5"
    & skf21("3","5","6","3","4","1","6","1") = "5"
    & skf21("3","5","6","3","4","1","7","1") = "6"
    & skf21("3","5","6","3","4","2","1","1") = "5"
    & skf21("3","5","6","3","4","2","2","1") = "5"
    & skf21("3","5","6","3","4","2","3","1") = "5"
    & skf21("3","5","6","3","4","2","4","1") = "5"
    & skf21("3","5","6","3","4","2","5","1") = "5"
    & skf21("3","5","6","3","4","2","6","1") = "5"
    & skf21("3","5","6","3","4","2","7","1") = "6"
    & skf21("3","5","6","3","4","3","1","1") = "5"
    & skf21("3","5","6","3","4","3","2","1") = "5"
    & skf21("3","5","6","3","4","3","3","1") = "5"
    & skf21("3","5","6","3","4","3","4","1") = "5"
    & skf21("3","5","6","3","4","3","5","1") = "5"
    & skf21("3","5","6","3","4","3","6","1") = "5"
    & skf21("3","5","6","3","4","3","7","1") = "6"
    & skf21("3","5","6","3","4","4","1","1") = "5"
    & skf21("3","5","6","3","4","4","2","1") = "5"
    & skf21("3","5","6","3","4","4","3","1") = "5"
    & skf21("3","5","6","3","4","4","4","1") = "5"
    & skf21("3","5","6","3","4","4","5","1") = "5"
    & skf21("3","5","6","3","4","4","6","1") = "5"
    & skf21("3","5","6","3","4","4","7","1") = "6"
    & skf21("3","5","6","3","4","5","1","1") = "5"
    & skf21("3","5","6","3","4","5","2","1") = "5"
    & skf21("3","5","6","3","4","5","3","1") = "5"
    & skf21("3","5","6","3","4","5","4","1") = "5"
    & skf21("3","5","6","3","4","5","5","1") = "5"
    & skf21("3","5","6","3","4","5","6","1") = "5"
    & skf21("3","5","6","3","4","5","7","1") = "6"
    & skf21("3","5","6","3","4","6","1","1") = "5"
    & skf21("3","5","6","3","4","6","2","1") = "5"
    & skf21("3","5","6","3","4","6","3","1") = "5"
    & skf21("3","5","6","3","4","6","4","1") = "5"
    & skf21("3","5","6","3","4","6","5","1") = "5"
    & skf21("3","5","6","3","4","6","6","1") = "5"
    & skf21("3","5","6","3","4","6","7","1") = "6"
    & skf21("3","5","6","3","4","7","1","1") = "6"
    & skf21("3","5","6","3","4","7","2","1") = "6"
    & skf21("3","5","6","3","4","7","3","1") = "6"
    & skf21("3","5","6","3","4","7","4","1") = "6"
    & skf21("3","5","6","3","4","7","5","1") = "6"
    & skf21("3","5","6","3","4","7","6","1") = "6"
    & skf21("3","5","6","3","4","7","7","1") = "6"
    & skf21("3","5","6","3","5","1","1","1") = "5"
    & skf21("3","5","6","3","5","1","2","1") = "5"
    & skf21("3","5","6","3","5","1","3","1") = "5"
    & skf21("3","5","6","3","5","1","4","1") = "5"
    & skf21("3","5","6","3","5","1","5","1") = "5"
    & skf21("3","5","6","3","5","1","6","1") = "5"
    & skf21("3","5","6","3","5","1","7","1") = "6"
    & skf21("3","5","6","3","5","2","1","1") = "5"
    & skf21("3","5","6","3","5","2","2","1") = "5"
    & skf21("3","5","6","3","5","2","3","1") = "5"
    & skf21("3","5","6","3","5","2","4","1") = "5"
    & skf21("3","5","6","3","5","2","5","1") = "5"
    & skf21("3","5","6","3","5","2","6","1") = "5"
    & skf21("3","5","6","3","5","2","7","1") = "6"
    & skf21("3","5","6","3","5","3","1","1") = "5"
    & skf21("3","5","6","3","5","3","2","1") = "5"
    & skf21("3","5","6","3","5","3","3","1") = "5"
    & skf21("3","5","6","3","5","3","4","1") = "5"
    & skf21("3","5","6","3","5","3","5","1") = "5"
    & skf21("3","5","6","3","5","3","6","1") = "5"
    & skf21("3","5","6","3","5","3","7","1") = "6"
    & skf21("3","5","6","3","5","4","1","1") = "5"
    & skf21("3","5","6","3","5","4","2","1") = "5"
    & skf21("3","5","6","3","5","4","3","1") = "5"
    & skf21("3","5","6","3","5","4","4","1") = "5"
    & skf21("3","5","6","3","5","4","5","1") = "5"
    & skf21("3","5","6","3","5","4","6","1") = "5"
    & skf21("3","5","6","3","5","4","7","1") = "6"
    & skf21("3","5","6","3","5","5","1","1") = "5"
    & skf21("3","5","6","3","5","5","2","1") = "5"
    & skf21("3","5","6","3","5","5","3","1") = "5"
    & skf21("3","5","6","3","5","5","4","1") = "5"
    & skf21("3","5","6","3","5","5","5","1") = "5"
    & skf21("3","5","6","3","5","5","6","1") = "5"
    & skf21("3","5","6","3","5","5","7","1") = "6"
    & skf21("3","5","6","3","5","6","1","1") = "5"
    & skf21("3","5","6","3","5","6","2","1") = "5"
    & skf21("3","5","6","3","5","6","3","1") = "5"
    & skf21("3","5","6","3","5","6","4","1") = "5"
    & skf21("3","5","6","3","5","6","5","1") = "5"
    & skf21("3","5","6","3","5","6","6","1") = "5"
    & skf21("3","5","6","3","5","6","7","1") = "6"
    & skf21("3","5","6","3","5","7","1","1") = "6"
    & skf21("3","5","6","3","5","7","2","1") = "6"
    & skf21("3","5","6","3","5","7","3","1") = "6"
    & skf21("3","5","6","3","5","7","4","1") = "6"
    & skf21("3","5","6","3","5","7","5","1") = "6"
    & skf21("3","5","6","3","5","7","6","1") = "6"
    & skf21("3","5","6","3","5","7","7","1") = "6"
    & skf21("3","5","6","3","6","1","1","1") = "5"
    & skf21("3","5","6","3","6","1","2","1") = "5"
    & skf21("3","5","6","3","6","1","3","1") = "5"
    & skf21("3","5","6","3","6","1","4","1") = "5"
    & skf21("3","5","6","3","6","1","5","1") = "5"
    & skf21("3","5","6","3","6","1","6","1") = "5"
    & skf21("3","5","6","3","6","1","7","1") = "6"
    & skf21("3","5","6","3","6","2","1","1") = "5"
    & skf21("3","5","6","3","6","2","2","1") = "5"
    & skf21("3","5","6","3","6","2","3","1") = "5"
    & skf21("3","5","6","3","6","2","4","1") = "5"
    & skf21("3","5","6","3","6","2","5","1") = "5"
    & skf21("3","5","6","3","6","2","6","1") = "5"
    & skf21("3","5","6","3","6","2","7","1") = "6"
    & skf21("3","5","6","3","6","3","1","1") = "5"
    & skf21("3","5","6","3","6","3","2","1") = "5"
    & skf21("3","5","6","3","6","3","3","1") = "5"
    & skf21("3","5","6","3","6","3","4","1") = "5"
    & skf21("3","5","6","3","6","3","5","1") = "5"
    & skf21("3","5","6","3","6","3","6","1") = "5"
    & skf21("3","5","6","3","6","3","7","1") = "6"
    & skf21("3","5","6","3","6","4","1","1") = "5"
    & skf21("3","5","6","3","6","4","2","1") = "5"
    & skf21("3","5","6","3","6","4","3","1") = "5"
    & skf21("3","5","6","3","6","4","4","1") = "5"
    & skf21("3","5","6","3","6","4","5","1") = "5"
    & skf21("3","5","6","3","6","4","6","1") = "5"
    & skf21("3","5","6","3","6","4","7","1") = "6"
    & skf21("3","5","6","3","6","5","1","1") = "5"
    & skf21("3","5","6","3","6","5","2","1") = "5"
    & skf21("3","5","6","3","6","5","3","1") = "5"
    & skf21("3","5","6","3","6","5","4","1") = "5"
    & skf21("3","5","6","3","6","5","5","1") = "5"
    & skf21("3","5","6","3","6","5","6","1") = "5"
    & skf21("3","5","6","3","6","5","7","1") = "6"
    & skf21("3","5","6","3","6","6","1","1") = "5"
    & skf21("3","5","6","3","6","6","2","1") = "5"
    & skf21("3","5","6","3","6","6","3","1") = "5"
    & skf21("3","5","6","3","6","6","4","1") = "5"
    & skf21("3","5","6","3","6","6","5","1") = "5"
    & skf21("3","5","6","3","6","6","6","1") = "5"
    & skf21("3","5","6","3","6","6","7","1") = "6"
    & skf21("3","5","6","3","6","7","1","1") = "6"
    & skf21("3","5","6","3","6","7","2","1") = "6"
    & skf21("3","5","6","3","6","7","3","1") = "6"
    & skf21("3","5","6","3","6","7","4","1") = "6"
    & skf21("3","5","6","3","6","7","5","1") = "6"
    & skf21("3","5","6","3","6","7","6","1") = "6"
    & skf21("3","5","6","3","6","7","7","1") = "6"
    & skf21("3","5","6","3","7","1","1","1") = "6"
    & skf21("3","5","6","3","7","1","2","1") = "6"
    & skf21("3","5","6","3","7","1","3","1") = "6"
    & skf21("3","5","6","3","7","1","4","1") = "6"
    & skf21("3","5","6","3","7","1","5","1") = "6"
    & skf21("3","5","6","3","7","1","6","1") = "6"
    & skf21("3","5","6","3","7","1","7","1") = "6"
    & skf21("3","5","6","3","7","2","1","1") = "6"
    & skf21("3","5","6","3","7","2","2","1") = "6"
    & skf21("3","5","6","3","7","2","3","1") = "6"
    & skf21("3","5","6","3","7","2","4","1") = "6"
    & skf21("3","5","6","3","7","2","5","1") = "6"
    & skf21("3","5","6","3","7","2","6","1") = "6"
    & skf21("3","5","6","3","7","2","7","1") = "6"
    & skf21("3","5","6","3","7","3","1","1") = "6"
    & skf21("3","5","6","3","7","3","2","1") = "6"
    & skf21("3","5","6","3","7","3","3","1") = "6"
    & skf21("3","5","6","3","7","3","4","1") = "6"
    & skf21("3","5","6","3","7","3","5","1") = "6"
    & skf21("3","5","6","3","7","3","6","1") = "6"
    & skf21("3","5","6","3","7","3","7","1") = "6"
    & skf21("3","5","6","3","7","4","1","1") = "6"
    & skf21("3","5","6","3","7","4","2","1") = "6"
    & skf21("3","5","6","3","7","4","3","1") = "6"
    & skf21("3","5","6","3","7","4","4","1") = "6"
    & skf21("3","5","6","3","7","4","5","1") = "6"
    & skf21("3","5","6","3","7","4","6","1") = "6"
    & skf21("3","5","6","3","7","4","7","1") = "6"
    & skf21("3","5","6","3","7","5","1","1") = "6"
    & skf21("3","5","6","3","7","5","2","1") = "6"
    & skf21("3","5","6","3","7","5","3","1") = "6"
    & skf21("3","5","6","3","7","5","4","1") = "6"
    & skf21("3","5","6","3","7","5","5","1") = "6"
    & skf21("3","5","6","3","7","5","6","1") = "6"
    & skf21("3","5","6","3","7","5","7","1") = "6"
    & skf21("3","5","6","3","7","6","1","1") = "6"
    & skf21("3","5","6","3","7","6","2","1") = "6"
    & skf21("3","5","6","3","7","6","3","1") = "6"
    & skf21("3","5","6","3","7","6","4","1") = "6"
    & skf21("3","5","6","3","7","6","5","1") = "6"
    & skf21("3","5","6","3","7","6","6","1") = "6"
    & skf21("3","5","6","3","7","6","7","1") = "6"
    & skf21("3","5","6","3","7","7","1","1") = "6"
    & skf21("3","5","6","3","7","7","2","1") = "6"
    & skf21("3","5","6","3","7","7","3","1") = "6"
    & skf21("3","5","6","3","7","7","4","1") = "6"
    & skf21("3","5","6","3","7","7","5","1") = "6"
    & skf21("3","5","6","3","7","7","6","1") = "6"
    & skf21("3","5","6","3","7","7","7","1") = "6"
    & skf21("3","5","6","4","1","1","1","1") = "5"
    & skf21("3","5","6","4","1","1","2","1") = "5"
    & skf21("3","5","6","4","1","1","3","1") = "5"
    & skf21("3","5","6","4","1","1","4","1") = "5"
    & skf21("3","5","6","4","1","1","5","1") = "5"
    & skf21("3","5","6","4","1","1","6","1") = "5"
    & skf21("3","5","6","4","1","1","7","1") = "6"
    & skf21("3","5","6","4","1","2","1","1") = "5"
    & skf21("3","5","6","4","1","2","2","1") = "5"
    & skf21("3","5","6","4","1","2","3","1") = "5"
    & skf21("3","5","6","4","1","2","4","1") = "5"
    & skf21("3","5","6","4","1","2","5","1") = "5"
    & skf21("3","5","6","4","1","2","6","1") = "5"
    & skf21("3","5","6","4","1","2","7","1") = "6"
    & skf21("3","5","6","4","1","3","1","1") = "5"
    & skf21("3","5","6","4","1","3","2","1") = "5"
    & skf21("3","5","6","4","1","3","3","1") = "5"
    & skf21("3","5","6","4","1","3","4","1") = "5"
    & skf21("3","5","6","4","1","3","5","1") = "5"
    & skf21("3","5","6","4","1","3","6","1") = "5"
    & skf21("3","5","6","4","1","3","7","1") = "6"
    & skf21("3","5","6","4","1","4","1","1") = "5"
    & skf21("3","5","6","4","1","4","2","1") = "5"
    & skf21("3","5","6","4","1","4","3","1") = "5"
    & skf21("3","5","6","4","1","4","4","1") = "5"
    & skf21("3","5","6","4","1","4","5","1") = "5"
    & skf21("3","5","6","4","1","4","6","1") = "5"
    & skf21("3","5","6","4","1","4","7","1") = "6"
    & skf21("3","5","6","4","1","5","1","1") = "5"
    & skf21("3","5","6","4","1","5","2","1") = "5"
    & skf21("3","5","6","4","1","5","3","1") = "5"
    & skf21("3","5","6","4","1","5","4","1") = "5"
    & skf21("3","5","6","4","1","5","5","1") = "5"
    & skf21("3","5","6","4","1","5","6","1") = "5"
    & skf21("3","5","6","4","1","5","7","1") = "6"
    & skf21("3","5","6","4","1","6","1","1") = "5"
    & skf21("3","5","6","4","1","6","2","1") = "5"
    & skf21("3","5","6","4","1","6","3","1") = "5"
    & skf21("3","5","6","4","1","6","4","1") = "5"
    & skf21("3","5","6","4","1","6","5","1") = "5"
    & skf21("3","5","6","4","1","6","6","1") = "5"
    & skf21("3","5","6","4","1","6","7","1") = "6"
    & skf21("3","5","6","4","1","7","1","1") = "6"
    & skf21("3","5","6","4","1","7","2","1") = "6"
    & skf21("3","5","6","4","1","7","3","1") = "6"
    & skf21("3","5","6","4","1","7","4","1") = "6"
    & skf21("3","5","6","4","1","7","5","1") = "6"
    & skf21("3","5","6","4","1","7","6","1") = "6"
    & skf21("3","5","6","4","1","7","7","1") = "6"
    & skf21("3","5","6","4","2","1","1","1") = "5"
    & skf21("3","5","6","4","2","1","2","1") = "5"
    & skf21("3","5","6","4","2","1","3","1") = "5"
    & skf21("3","5","6","4","2","1","4","1") = "5"
    & skf21("3","5","6","4","2","1","5","1") = "5"
    & skf21("3","5","6","4","2","1","6","1") = "5"
    & skf21("3","5","6","4","2","1","7","1") = "6"
    & skf21("3","5","6","4","2","2","1","1") = "5"
    & skf21("3","5","6","4","2","2","2","1") = "5"
    & skf21("3","5","6","4","2","2","3","1") = "5"
    & skf21("3","5","6","4","2","2","4","1") = "5"
    & skf21("3","5","6","4","2","2","5","1") = "5"
    & skf21("3","5","6","4","2","2","6","1") = "5"
    & skf21("3","5","6","4","2","2","7","1") = "6"
    & skf21("3","5","6","4","2","3","1","1") = "5"
    & skf21("3","5","6","4","2","3","2","1") = "5"
    & skf21("3","5","6","4","2","3","3","1") = "5"
    & skf21("3","5","6","4","2","3","4","1") = "5"
    & skf21("3","5","6","4","2","3","5","1") = "5"
    & skf21("3","5","6","4","2","3","6","1") = "5"
    & skf21("3","5","6","4","2","3","7","1") = "6"
    & skf21("3","5","6","4","2","4","1","1") = "5"
    & skf21("3","5","6","4","2","4","2","1") = "5"
    & skf21("3","5","6","4","2","4","3","1") = "5"
    & skf21("3","5","6","4","2","4","4","1") = "5"
    & skf21("3","5","6","4","2","4","5","1") = "5"
    & skf21("3","5","6","4","2","4","6","1") = "5"
    & skf21("3","5","6","4","2","4","7","1") = "6"
    & skf21("3","5","6","4","2","5","1","1") = "5"
    & skf21("3","5","6","4","2","5","2","1") = "5"
    & skf21("3","5","6","4","2","5","3","1") = "5"
    & skf21("3","5","6","4","2","5","4","1") = "5"
    & skf21("3","5","6","4","2","5","5","1") = "5"
    & skf21("3","5","6","4","2","5","6","1") = "5"
    & skf21("3","5","6","4","2","5","7","1") = "6"
    & skf21("3","5","6","4","2","6","1","1") = "5"
    & skf21("3","5","6","4","2","6","2","1") = "5"
    & skf21("3","5","6","4","2","6","3","1") = "5"
    & skf21("3","5","6","4","2","6","4","1") = "5"
    & skf21("3","5","6","4","2","6","5","1") = "5"
    & skf21("3","5","6","4","2","6","6","1") = "5"
    & skf21("3","5","6","4","2","6","7","1") = "6"
    & skf21("3","5","6","4","2","7","1","1") = "6"
    & skf21("3","5","6","4","2","7","2","1") = "6"
    & skf21("3","5","6","4","2","7","3","1") = "6"
    & skf21("3","5","6","4","2","7","4","1") = "6"
    & skf21("3","5","6","4","2","7","5","1") = "6"
    & skf21("3","5","6","4","2","7","6","1") = "6"
    & skf21("3","5","6","4","2","7","7","1") = "6"
    & skf21("3","5","6","4","3","1","1","1") = "5"
    & skf21("3","5","6","4","3","1","2","1") = "5"
    & skf21("3","5","6","4","3","1","3","1") = "5"
    & skf21("3","5","6","4","3","1","4","1") = "5"
    & skf21("3","5","6","4","3","1","5","1") = "5"
    & skf21("3","5","6","4","3","1","6","1") = "5"
    & skf21("3","5","6","4","3","1","7","1") = "6"
    & skf21("3","5","6","4","3","2","1","1") = "5"
    & skf21("3","5","6","4","3","2","2","1") = "5"
    & skf21("3","5","6","4","3","2","3","1") = "5"
    & skf21("3","5","6","4","3","2","4","1") = "5"
    & skf21("3","5","6","4","3","2","5","1") = "5"
    & skf21("3","5","6","4","3","2","6","1") = "5"
    & skf21("3","5","6","4","3","2","7","1") = "6"
    & skf21("3","5","6","4","3","3","1","1") = "5"
    & skf21("3","5","6","4","3","3","2","1") = "5"
    & skf21("3","5","6","4","3","3","3","1") = "5"
    & skf21("3","5","6","4","3","3","4","1") = "5"
    & skf21("3","5","6","4","3","3","5","1") = "5"
    & skf21("3","5","6","4","3","3","6","1") = "5"
    & skf21("3","5","6","4","3","3","7","1") = "6"
    & skf21("3","5","6","4","3","4","1","1") = "5"
    & skf21("3","5","6","4","3","4","2","1") = "5"
    & skf21("3","5","6","4","3","4","3","1") = "5"
    & skf21("3","5","6","4","3","4","4","1") = "5"
    & skf21("3","5","6","4","3","4","5","1") = "5"
    & skf21("3","5","6","4","3","4","6","1") = "5"
    & skf21("3","5","6","4","3","4","7","1") = "6"
    & skf21("3","5","6","4","3","5","1","1") = "5"
    & skf21("3","5","6","4","3","5","2","1") = "5"
    & skf21("3","5","6","4","3","5","3","1") = "5"
    & skf21("3","5","6","4","3","5","4","1") = "5"
    & skf21("3","5","6","4","3","5","5","1") = "5"
    & skf21("3","5","6","4","3","5","6","1") = "5"
    & skf21("3","5","6","4","3","5","7","1") = "6"
    & skf21("3","5","6","4","3","6","1","1") = "5"
    & skf21("3","5","6","4","3","6","2","1") = "5"
    & skf21("3","5","6","4","3","6","3","1") = "5"
    & skf21("3","5","6","4","3","6","4","1") = "5"
    & skf21("3","5","6","4","3","6","5","1") = "5"
    & skf21("3","5","6","4","3","6","6","1") = "5"
    & skf21("3","5","6","4","3","6","7","1") = "6"
    & skf21("3","5","6","4","3","7","1","1") = "6"
    & skf21("3","5","6","4","3","7","2","1") = "6"
    & skf21("3","5","6","4","3","7","3","1") = "6"
    & skf21("3","5","6","4","3","7","4","1") = "6"
    & skf21("3","5","6","4","3","7","5","1") = "6"
    & skf21("3","5","6","4","3","7","6","1") = "6"
    & skf21("3","5","6","4","3","7","7","1") = "6"
    & skf21("3","5","6","4","4","1","1","1") = "5"
    & skf21("3","5","6","4","4","1","2","1") = "5"
    & skf21("3","5","6","4","4","1","3","1") = "5"
    & skf21("3","5","6","4","4","1","4","1") = "5"
    & skf21("3","5","6","4","4","1","5","1") = "5"
    & skf21("3","5","6","4","4","1","6","1") = "5"
    & skf21("3","5","6","4","4","1","7","1") = "6"
    & skf21("3","5","6","4","4","2","1","1") = "5"
    & skf21("3","5","6","4","4","2","2","1") = "5"
    & skf21("3","5","6","4","4","2","3","1") = "5"
    & skf21("3","5","6","4","4","2","4","1") = "5"
    & skf21("3","5","6","4","4","2","5","1") = "5"
    & skf21("3","5","6","4","4","2","6","1") = "5"
    & skf21("3","5","6","4","4","2","7","1") = "6"
    & skf21("3","5","6","4","4","3","1","1") = "5"
    & skf21("3","5","6","4","4","3","2","1") = "5"
    & skf21("3","5","6","4","4","3","3","1") = "5"
    & skf21("3","5","6","4","4","3","4","1") = "5"
    & skf21("3","5","6","4","4","3","5","1") = "5"
    & skf21("3","5","6","4","4","3","6","1") = "5"
    & skf21("3","5","6","4","4","3","7","1") = "6"
    & skf21("3","5","6","4","4","4","1","1") = "5"
    & skf21("3","5","6","4","4","4","2","1") = "5"
    & skf21("3","5","6","4","4","4","3","1") = "5"
    & skf21("3","5","6","4","4","4","4","1") = "5"
    & skf21("3","5","6","4","4","4","5","1") = "5"
    & skf21("3","5","6","4","4","4","6","1") = "5"
    & skf21("3","5","6","4","4","4","7","1") = "6"
    & skf21("3","5","6","4","4","5","1","1") = "5"
    & skf21("3","5","6","4","4","5","2","1") = "5"
    & skf21("3","5","6","4","4","5","3","1") = "5"
    & skf21("3","5","6","4","4","5","4","1") = "5"
    & skf21("3","5","6","4","4","5","5","1") = "5"
    & skf21("3","5","6","4","4","5","6","1") = "5"
    & skf21("3","5","6","4","4","5","7","1") = "6"
    & skf21("3","5","6","4","4","6","1","1") = "5"
    & skf21("3","5","6","4","4","6","2","1") = "5"
    & skf21("3","5","6","4","4","6","3","1") = "5"
    & skf21("3","5","6","4","4","6","4","1") = "5"
    & skf21("3","5","6","4","4","6","5","1") = "5"
    & skf21("3","5","6","4","4","6","6","1") = "5"
    & skf21("3","5","6","4","4","6","7","1") = "6"
    & skf21("3","5","6","4","4","7","1","1") = "6"
    & skf21("3","5","6","4","4","7","2","1") = "6"
    & skf21("3","5","6","4","4","7","3","1") = "6"
    & skf21("3","5","6","4","4","7","4","1") = "6"
    & skf21("3","5","6","4","4","7","5","1") = "6"
    & skf21("3","5","6","4","4","7","6","1") = "6"
    & skf21("3","5","6","4","4","7","7","1") = "6"
    & skf21("3","5","6","4","5","1","1","1") = "5"
    & skf21("3","5","6","4","5","1","2","1") = "5"
    & skf21("3","5","6","4","5","1","3","1") = "5"
    & skf21("3","5","6","4","5","1","4","1") = "5"
    & skf21("3","5","6","4","5","1","5","1") = "5"
    & skf21("3","5","6","4","5","1","6","1") = "5"
    & skf21("3","5","6","4","5","1","7","1") = "6"
    & skf21("3","5","6","4","5","2","1","1") = "5"
    & skf21("3","5","6","4","5","2","2","1") = "5"
    & skf21("3","5","6","4","5","2","3","1") = "5"
    & skf21("3","5","6","4","5","2","4","1") = "5"
    & skf21("3","5","6","4","5","2","5","1") = "5"
    & skf21("3","5","6","4","5","2","6","1") = "5"
    & skf21("3","5","6","4","5","2","7","1") = "6"
    & skf21("3","5","6","4","5","3","1","1") = "5"
    & skf21("3","5","6","4","5","3","2","1") = "5"
    & skf21("3","5","6","4","5","3","3","1") = "5"
    & skf21("3","5","6","4","5","3","4","1") = "5"
    & skf21("3","5","6","4","5","3","5","1") = "5"
    & skf21("3","5","6","4","5","3","6","1") = "5"
    & skf21("3","5","6","4","5","3","7","1") = "6"
    & skf21("3","5","6","4","5","4","1","1") = "5"
    & skf21("3","5","6","4","5","4","2","1") = "5"
    & skf21("3","5","6","4","5","4","3","1") = "5"
    & skf21("3","5","6","4","5","4","4","1") = "5"
    & skf21("3","5","6","4","5","4","5","1") = "5"
    & skf21("3","5","6","4","5","4","6","1") = "5"
    & skf21("3","5","6","4","5","4","7","1") = "6"
    & skf21("3","5","6","4","5","5","1","1") = "5"
    & skf21("3","5","6","4","5","5","2","1") = "5"
    & skf21("3","5","6","4","5","5","3","1") = "5"
    & skf21("3","5","6","4","5","5","4","1") = "5"
    & skf21("3","5","6","4","5","5","5","1") = "5"
    & skf21("3","5","6","4","5","5","6","1") = "5"
    & skf21("3","5","6","4","5","5","7","1") = "6"
    & skf21("3","5","6","4","5","6","1","1") = "5"
    & skf21("3","5","6","4","5","6","2","1") = "5"
    & skf21("3","5","6","4","5","6","3","1") = "5"
    & skf21("3","5","6","4","5","6","4","1") = "5"
    & skf21("3","5","6","4","5","6","5","1") = "5"
    & skf21("3","5","6","4","5","6","6","1") = "5"
    & skf21("3","5","6","4","5","6","7","1") = "6"
    & skf21("3","5","6","4","5","7","1","1") = "6"
    & skf21("3","5","6","4","5","7","2","1") = "6"
    & skf21("3","5","6","4","5","7","3","1") = "6"
    & skf21("3","5","6","4","5","7","4","1") = "6"
    & skf21("3","5","6","4","5","7","5","1") = "6"
    & skf21("3","5","6","4","5","7","6","1") = "6"
    & skf21("3","5","6","4","5","7","7","1") = "6"
    & skf21("3","5","6","4","6","1","1","1") = "5"
    & skf21("3","5","6","4","6","1","2","1") = "5"
    & skf21("3","5","6","4","6","1","3","1") = "5"
    & skf21("3","5","6","4","6","1","4","1") = "5"
    & skf21("3","5","6","4","6","1","5","1") = "5"
    & skf21("3","5","6","4","6","1","6","1") = "5"
    & skf21("3","5","6","4","6","1","7","1") = "6"
    & skf21("3","5","6","4","6","2","1","1") = "5"
    & skf21("3","5","6","4","6","2","2","1") = "5"
    & skf21("3","5","6","4","6","2","3","1") = "5"
    & skf21("3","5","6","4","6","2","4","1") = "5"
    & skf21("3","5","6","4","6","2","5","1") = "5"
    & skf21("3","5","6","4","6","2","6","1") = "5"
    & skf21("3","5","6","4","6","2","7","1") = "6"
    & skf21("3","5","6","4","6","3","1","1") = "5"
    & skf21("3","5","6","4","6","3","2","1") = "5"
    & skf21("3","5","6","4","6","3","3","1") = "5"
    & skf21("3","5","6","4","6","3","4","1") = "5"
    & skf21("3","5","6","4","6","3","5","1") = "5"
    & skf21("3","5","6","4","6","3","6","1") = "5"
    & skf21("3","5","6","4","6","3","7","1") = "6"
    & skf21("3","5","6","4","6","4","1","1") = "5"
    & skf21("3","5","6","4","6","4","2","1") = "5"
    & skf21("3","5","6","4","6","4","3","1") = "5"
    & skf21("3","5","6","4","6","4","4","1") = "5"
    & skf21("3","5","6","4","6","4","5","1") = "5"
    & skf21("3","5","6","4","6","4","6","1") = "5"
    & skf21("3","5","6","4","6","4","7","1") = "6"
    & skf21("3","5","6","4","6","5","1","1") = "5"
    & skf21("3","5","6","4","6","5","2","1") = "5"
    & skf21("3","5","6","4","6","5","3","1") = "5"
    & skf21("3","5","6","4","6","5","4","1") = "5"
    & skf21("3","5","6","4","6","5","5","1") = "5"
    & skf21("3","5","6","4","6","5","6","1") = "5"
    & skf21("3","5","6","4","6","5","7","1") = "6"
    & skf21("3","5","6","4","6","6","1","1") = "5"
    & skf21("3","5","6","4","6","6","2","1") = "5"
    & skf21("3","5","6","4","6","6","3","1") = "5"
    & skf21("3","5","6","4","6","6","4","1") = "5"
    & skf21("3","5","6","4","6","6","5","1") = "5"
    & skf21("3","5","6","4","6","6","6","1") = "5"
    & skf21("3","5","6","4","6","6","7","1") = "6"
    & skf21("3","5","6","4","6","7","1","1") = "6"
    & skf21("3","5","6","4","6","7","2","1") = "6"
    & skf21("3","5","6","4","6","7","3","1") = "6"
    & skf21("3","5","6","4","6","7","4","1") = "6"
    & skf21("3","5","6","4","6","7","5","1") = "6"
    & skf21("3","5","6","4","6","7","6","1") = "6"
    & skf21("3","5","6","4","6","7","7","1") = "6"
    & skf21("3","5","6","4","7","1","1","1") = "6"
    & skf21("3","5","6","4","7","1","2","1") = "6"
    & skf21("3","5","6","4","7","1","3","1") = "6"
    & skf21("3","5","6","4","7","1","4","1") = "6"
    & skf21("3","5","6","4","7","1","5","1") = "6"
    & skf21("3","5","6","4","7","1","6","1") = "6"
    & skf21("3","5","6","4","7","1","7","1") = "6"
    & skf21("3","5","6","4","7","2","1","1") = "6"
    & skf21("3","5","6","4","7","2","2","1") = "6"
    & skf21("3","5","6","4","7","2","3","1") = "6"
    & skf21("3","5","6","4","7","2","4","1") = "6"
    & skf21("3","5","6","4","7","2","5","1") = "6"
    & skf21("3","5","6","4","7","2","6","1") = "6"
    & skf21("3","5","6","4","7","2","7","1") = "6"
    & skf21("3","5","6","4","7","3","1","1") = "6"
    & skf21("3","5","6","4","7","3","2","1") = "6"
    & skf21("3","5","6","4","7","3","3","1") = "6"
    & skf21("3","5","6","4","7","3","4","1") = "6"
    & skf21("3","5","6","4","7","3","5","1") = "6"
    & skf21("3","5","6","4","7","3","6","1") = "6"
    & skf21("3","5","6","4","7","3","7","1") = "6"
    & skf21("3","5","6","4","7","4","1","1") = "6"
    & skf21("3","5","6","4","7","4","2","1") = "6"
    & skf21("3","5","6","4","7","4","3","1") = "6"
    & skf21("3","5","6","4","7","4","4","1") = "6"
    & skf21("3","5","6","4","7","4","5","1") = "6"
    & skf21("3","5","6","4","7","4","6","1") = "6"
    & skf21("3","5","6","4","7","4","7","1") = "6"
    & skf21("3","5","6","4","7","5","1","1") = "6"
    & skf21("3","5","6","4","7","5","2","1") = "6"
    & skf21("3","5","6","4","7","5","3","1") = "6"
    & skf21("3","5","6","4","7","5","4","1") = "6"
    & skf21("3","5","6","4","7","5","5","1") = "6"
    & skf21("3","5","6","4","7","5","6","1") = "6"
    & skf21("3","5","6","4","7","5","7","1") = "6"
    & skf21("3","5","6","4","7","6","1","1") = "6"
    & skf21("3","5","6","4","7","6","2","1") = "6"
    & skf21("3","5","6","4","7","6","3","1") = "6"
    & skf21("3","5","6","4","7","6","4","1") = "6"
    & skf21("3","5","6","4","7","6","5","1") = "6"
    & skf21("3","5","6","4","7","6","6","1") = "6"
    & skf21("3","5","6","4","7","6","7","1") = "6"
    & skf21("3","5","6","4","7","7","1","1") = "6"
    & skf21("3","5","6","4","7","7","2","1") = "6"
    & skf21("3","5","6","4","7","7","3","1") = "6"
    & skf21("3","5","6","4","7","7","4","1") = "6"
    & skf21("3","5","6","4","7","7","5","1") = "6"
    & skf21("3","5","6","4","7","7","6","1") = "6"
    & skf21("3","5","6","4","7","7","7","1") = "6"
    & skf21("3","5","6","5","1","1","1","1") = "5"
    & skf21("3","5","6","5","1","1","2","1") = "5"
    & skf21("3","5","6","5","1","1","3","1") = "5"
    & skf21("3","5","6","5","1","1","4","1") = "5"
    & skf21("3","5","6","5","1","1","5","1") = "5"
    & skf21("3","5","6","5","1","1","6","1") = "5"
    & skf21("3","5","6","5","1","1","7","1") = "6"
    & skf21("3","5","6","5","1","2","1","1") = "5"
    & skf21("3","5","6","5","1","2","2","1") = "5"
    & skf21("3","5","6","5","1","2","3","1") = "5"
    & skf21("3","5","6","5","1","2","4","1") = "5"
    & skf21("3","5","6","5","1","2","5","1") = "5"
    & skf21("3","5","6","5","1","2","6","1") = "5"
    & skf21("3","5","6","5","1","2","7","1") = "6"
    & skf21("3","5","6","5","1","3","1","1") = "5"
    & skf21("3","5","6","5","1","3","2","1") = "5"
    & skf21("3","5","6","5","1","3","3","1") = "5"
    & skf21("3","5","6","5","1","3","4","1") = "5"
    & skf21("3","5","6","5","1","3","5","1") = "5"
    & skf21("3","5","6","5","1","3","6","1") = "5"
    & skf21("3","5","6","5","1","3","7","1") = "6"
    & skf21("3","5","6","5","1","4","1","1") = "5"
    & skf21("3","5","6","5","1","4","2","1") = "5"
    & skf21("3","5","6","5","1","4","3","1") = "5"
    & skf21("3","5","6","5","1","4","4","1") = "5"
    & skf21("3","5","6","5","1","4","5","1") = "5"
    & skf21("3","5","6","5","1","4","6","1") = "5"
    & skf21("3","5","6","5","1","4","7","1") = "6"
    & skf21("3","5","6","5","1","5","1","1") = "5"
    & skf21("3","5","6","5","1","5","2","1") = "5"
    & skf21("3","5","6","5","1","5","3","1") = "5"
    & skf21("3","5","6","5","1","5","4","1") = "5"
    & skf21("3","5","6","5","1","5","5","1") = "5"
    & skf21("3","5","6","5","1","5","6","1") = "5"
    & skf21("3","5","6","5","1","5","7","1") = "6"
    & skf21("3","5","6","5","1","6","1","1") = "5"
    & skf21("3","5","6","5","1","6","2","1") = "5"
    & skf21("3","5","6","5","1","6","3","1") = "5"
    & skf21("3","5","6","5","1","6","4","1") = "5"
    & skf21("3","5","6","5","1","6","5","1") = "5"
    & skf21("3","5","6","5","1","6","6","1") = "5"
    & skf21("3","5","6","5","1","6","7","1") = "6"
    & skf21("3","5","6","5","1","7","1","1") = "6"
    & skf21("3","5","6","5","1","7","2","1") = "6"
    & skf21("3","5","6","5","1","7","3","1") = "6"
    & skf21("3","5","6","5","1","7","4","1") = "6"
    & skf21("3","5","6","5","1","7","5","1") = "6"
    & skf21("3","5","6","5","1","7","6","1") = "6"
    & skf21("3","5","6","5","1","7","7","1") = "6"
    & skf21("3","5","6","5","2","1","1","1") = "5"
    & skf21("3","5","6","5","2","1","2","1") = "5"
    & skf21("3","5","6","5","2","1","3","1") = "5"
    & skf21("3","5","6","5","2","1","4","1") = "5"
    & skf21("3","5","6","5","2","1","5","1") = "5"
    & skf21("3","5","6","5","2","1","6","1") = "5"
    & skf21("3","5","6","5","2","1","7","1") = "6"
    & skf21("3","5","6","5","2","2","1","1") = "5"
    & skf21("3","5","6","5","2","2","2","1") = "5"
    & skf21("3","5","6","5","2","2","3","1") = "5"
    & skf21("3","5","6","5","2","2","4","1") = "5"
    & skf21("3","5","6","5","2","2","5","1") = "5"
    & skf21("3","5","6","5","2","2","6","1") = "5"
    & skf21("3","5","6","5","2","2","7","1") = "6"
    & skf21("3","5","6","5","2","3","1","1") = "5"
    & skf21("3","5","6","5","2","3","2","1") = "5"
    & skf21("3","5","6","5","2","3","3","1") = "5"
    & skf21("3","5","6","5","2","3","4","1") = "5"
    & skf21("3","5","6","5","2","3","5","1") = "5"
    & skf21("3","5","6","5","2","3","6","1") = "5"
    & skf21("3","5","6","5","2","3","7","1") = "6"
    & skf21("3","5","6","5","2","4","1","1") = "5"
    & skf21("3","5","6","5","2","4","2","1") = "5"
    & skf21("3","5","6","5","2","4","3","1") = "5"
    & skf21("3","5","6","5","2","4","4","1") = "5"
    & skf21("3","5","6","5","2","4","5","1") = "5"
    & skf21("3","5","6","5","2","4","6","1") = "5"
    & skf21("3","5","6","5","2","4","7","1") = "6"
    & skf21("3","5","6","5","2","5","1","1") = "5"
    & skf21("3","5","6","5","2","5","2","1") = "5"
    & skf21("3","5","6","5","2","5","3","1") = "5"
    & skf21("3","5","6","5","2","5","4","1") = "5"
    & skf21("3","5","6","5","2","5","5","1") = "5"
    & skf21("3","5","6","5","2","5","6","1") = "5"
    & skf21("3","5","6","5","2","5","7","1") = "6"
    & skf21("3","5","6","5","2","6","1","1") = "5"
    & skf21("3","5","6","5","2","6","2","1") = "5"
    & skf21("3","5","6","5","2","6","3","1") = "5"
    & skf21("3","5","6","5","2","6","4","1") = "5"
    & skf21("3","5","6","5","2","6","5","1") = "5"
    & skf21("3","5","6","5","2","6","6","1") = "5"
    & skf21("3","5","6","5","2","6","7","1") = "6"
    & skf21("3","5","6","5","2","7","1","1") = "6"
    & skf21("3","5","6","5","2","7","2","1") = "6"
    & skf21("3","5","6","5","2","7","3","1") = "6"
    & skf21("3","5","6","5","2","7","4","1") = "6"
    & skf21("3","5","6","5","2","7","5","1") = "6"
    & skf21("3","5","6","5","2","7","6","1") = "6"
    & skf21("3","5","6","5","2","7","7","1") = "6"
    & skf21("3","5","6","5","3","1","1","1") = "5"
    & skf21("3","5","6","5","3","1","2","1") = "5"
    & skf21("3","5","6","5","3","1","3","1") = "5"
    & skf21("3","5","6","5","3","1","4","1") = "5"
    & skf21("3","5","6","5","3","1","5","1") = "5"
    & skf21("3","5","6","5","3","1","6","1") = "5"
    & skf21("3","5","6","5","3","1","7","1") = "6"
    & skf21("3","5","6","5","3","2","1","1") = "5"
    & skf21("3","5","6","5","3","2","2","1") = "5"
    & skf21("3","5","6","5","3","2","3","1") = "5"
    & skf21("3","5","6","5","3","2","4","1") = "5"
    & skf21("3","5","6","5","3","2","5","1") = "5"
    & skf21("3","5","6","5","3","2","6","1") = "5"
    & skf21("3","5","6","5","3","2","7","1") = "6"
    & skf21("3","5","6","5","3","3","1","1") = "5"
    & skf21("3","5","6","5","3","3","2","1") = "5"
    & skf21("3","5","6","5","3","3","3","1") = "5"
    & skf21("3","5","6","5","3","3","4","1") = "5"
    & skf21("3","5","6","5","3","3","5","1") = "5"
    & skf21("3","5","6","5","3","3","6","1") = "5"
    & skf21("3","5","6","5","3","3","7","1") = "6"
    & skf21("3","5","6","5","3","4","1","1") = "5"
    & skf21("3","5","6","5","3","4","2","1") = "5"
    & skf21("3","5","6","5","3","4","3","1") = "5"
    & skf21("3","5","6","5","3","4","4","1") = "5"
    & skf21("3","5","6","5","3","4","5","1") = "5"
    & skf21("3","5","6","5","3","4","6","1") = "5"
    & skf21("3","5","6","5","3","4","7","1") = "6"
    & skf21("3","5","6","5","3","5","1","1") = "5"
    & skf21("3","5","6","5","3","5","2","1") = "5"
    & skf21("3","5","6","5","3","5","3","1") = "5"
    & skf21("3","5","6","5","3","5","4","1") = "5"
    & skf21("3","5","6","5","3","5","5","1") = "5"
    & skf21("3","5","6","5","3","5","6","1") = "5"
    & skf21("3","5","6","5","3","5","7","1") = "6"
    & skf21("3","5","6","5","3","6","1","1") = "5"
    & skf21("3","5","6","5","3","6","2","1") = "5"
    & skf21("3","5","6","5","3","6","3","1") = "5"
    & skf21("3","5","6","5","3","6","4","1") = "5"
    & skf21("3","5","6","5","3","6","5","1") = "5"
    & skf21("3","5","6","5","3","6","6","1") = "5"
    & skf21("3","5","6","5","3","6","7","1") = "6"
    & skf21("3","5","6","5","3","7","1","1") = "6"
    & skf21("3","5","6","5","3","7","2","1") = "6"
    & skf21("3","5","6","5","3","7","3","1") = "6"
    & skf21("3","5","6","5","3","7","4","1") = "6"
    & skf21("3","5","6","5","3","7","5","1") = "6"
    & skf21("3","5","6","5","3","7","6","1") = "6"
    & skf21("3","5","6","5","3","7","7","1") = "6"
    & skf21("3","5","6","5","4","1","1","1") = "5"
    & skf21("3","5","6","5","4","1","2","1") = "5"
    & skf21("3","5","6","5","4","1","3","1") = "5"
    & skf21("3","5","6","5","4","1","4","1") = "5"
    & skf21("3","5","6","5","4","1","5","1") = "5"
    & skf21("3","5","6","5","4","1","6","1") = "5"
    & skf21("3","5","6","5","4","1","7","1") = "6"
    & skf21("3","5","6","5","4","2","1","1") = "5"
    & skf21("3","5","6","5","4","2","2","1") = "5"
    & skf21("3","5","6","5","4","2","3","1") = "5"
    & skf21("3","5","6","5","4","2","4","1") = "5"
    & skf21("3","5","6","5","4","2","5","1") = "5"
    & skf21("3","5","6","5","4","2","6","1") = "5"
    & skf21("3","5","6","5","4","2","7","1") = "6"
    & skf21("3","5","6","5","4","3","1","1") = "5"
    & skf21("3","5","6","5","4","3","2","1") = "5"
    & skf21("3","5","6","5","4","3","3","1") = "5"
    & skf21("3","5","6","5","4","3","4","1") = "5"
    & skf21("3","5","6","5","4","3","5","1") = "5"
    & skf21("3","5","6","5","4","3","6","1") = "5"
    & skf21("3","5","6","5","4","3","7","1") = "6"
    & skf21("3","5","6","5","4","4","1","1") = "5"
    & skf21("3","5","6","5","4","4","2","1") = "5"
    & skf21("3","5","6","5","4","4","3","1") = "5"
    & skf21("3","5","6","5","4","4","4","1") = "5"
    & skf21("3","5","6","5","4","4","5","1") = "5"
    & skf21("3","5","6","5","4","4","6","1") = "5"
    & skf21("3","5","6","5","4","4","7","1") = "6"
    & skf21("3","5","6","5","4","5","1","1") = "5"
    & skf21("3","5","6","5","4","5","2","1") = "5"
    & skf21("3","5","6","5","4","5","3","1") = "5"
    & skf21("3","5","6","5","4","5","4","1") = "5"
    & skf21("3","5","6","5","4","5","5","1") = "5"
    & skf21("3","5","6","5","4","5","6","1") = "5"
    & skf21("3","5","6","5","4","5","7","1") = "6"
    & skf21("3","5","6","5","4","6","1","1") = "5"
    & skf21("3","5","6","5","4","6","2","1") = "5"
    & skf21("3","5","6","5","4","6","3","1") = "5"
    & skf21("3","5","6","5","4","6","4","1") = "5"
    & skf21("3","5","6","5","4","6","5","1") = "5"
    & skf21("3","5","6","5","4","6","6","1") = "5"
    & skf21("3","5","6","5","4","6","7","1") = "6"
    & skf21("3","5","6","5","4","7","1","1") = "6"
    & skf21("3","5","6","5","4","7","2","1") = "6"
    & skf21("3","5","6","5","4","7","3","1") = "6"
    & skf21("3","5","6","5","4","7","4","1") = "6"
    & skf21("3","5","6","5","4","7","5","1") = "6"
    & skf21("3","5","6","5","4","7","6","1") = "6"
    & skf21("3","5","6","5","4","7","7","1") = "6"
    & skf21("3","5","6","5","5","1","1","1") = "5"
    & skf21("3","5","6","5","5","1","2","1") = "5"
    & skf21("3","5","6","5","5","1","3","1") = "5"
    & skf21("3","5","6","5","5","1","4","1") = "5"
    & skf21("3","5","6","5","5","1","5","1") = "5"
    & skf21("3","5","6","5","5","1","6","1") = "5"
    & skf21("3","5","6","5","5","1","7","1") = "6"
    & skf21("3","5","6","5","5","2","1","1") = "5"
    & skf21("3","5","6","5","5","2","2","1") = "5"
    & skf21("3","5","6","5","5","2","3","1") = "5"
    & skf21("3","5","6","5","5","2","4","1") = "5"
    & skf21("3","5","6","5","5","2","5","1") = "5"
    & skf21("3","5","6","5","5","2","6","1") = "5"
    & skf21("3","5","6","5","5","2","7","1") = "6"
    & skf21("3","5","6","5","5","3","1","1") = "5"
    & skf21("3","5","6","5","5","3","2","1") = "5"
    & skf21("3","5","6","5","5","3","3","1") = "5"
    & skf21("3","5","6","5","5","3","4","1") = "5"
    & skf21("3","5","6","5","5","3","5","1") = "5"
    & skf21("3","5","6","5","5","3","6","1") = "5"
    & skf21("3","5","6","5","5","3","7","1") = "6"
    & skf21("3","5","6","5","5","4","1","1") = "5"
    & skf21("3","5","6","5","5","4","2","1") = "5"
    & skf21("3","5","6","5","5","4","3","1") = "5"
    & skf21("3","5","6","5","5","4","4","1") = "5"
    & skf21("3","5","6","5","5","4","5","1") = "5"
    & skf21("3","5","6","5","5","4","6","1") = "5"
    & skf21("3","5","6","5","5","4","7","1") = "6"
    & skf21("3","5","6","5","5","5","1","1") = "5"
    & skf21("3","5","6","5","5","5","2","1") = "5"
    & skf21("3","5","6","5","5","5","3","1") = "5"
    & skf21("3","5","6","5","5","5","4","1") = "5"
    & skf21("3","5","6","5","5","5","5","1") = "5"
    & skf21("3","5","6","5","5","5","6","1") = "5"
    & skf21("3","5","6","5","5","5","7","1") = "6"
    & skf21("3","5","6","5","5","6","1","1") = "5"
    & skf21("3","5","6","5","5","6","2","1") = "5"
    & skf21("3","5","6","5","5","6","3","1") = "5"
    & skf21("3","5","6","5","5","6","4","1") = "5"
    & skf21("3","5","6","5","5","6","5","1") = "5"
    & skf21("3","5","6","5","5","6","6","1") = "5"
    & skf21("3","5","6","5","5","6","7","1") = "6"
    & skf21("3","5","6","5","5","7","1","1") = "6"
    & skf21("3","5","6","5","5","7","2","1") = "6"
    & skf21("3","5","6","5","5","7","3","1") = "6"
    & skf21("3","5","6","5","5","7","4","1") = "6"
    & skf21("3","5","6","5","5","7","5","1") = "6"
    & skf21("3","5","6","5","5","7","6","1") = "6"
    & skf21("3","5","6","5","5","7","7","1") = "6"
    & skf21("3","5","6","5","6","1","1","1") = "5"
    & skf21("3","5","6","5","6","1","2","1") = "5"
    & skf21("3","5","6","5","6","1","3","1") = "5"
    & skf21("3","5","6","5","6","1","4","1") = "5"
    & skf21("3","5","6","5","6","1","5","1") = "5"
    & skf21("3","5","6","5","6","1","6","1") = "5"
    & skf21("3","5","6","5","6","1","7","1") = "6"
    & skf21("3","5","6","5","6","2","1","1") = "5"
    & skf21("3","5","6","5","6","2","2","1") = "5"
    & skf21("3","5","6","5","6","2","3","1") = "5"
    & skf21("3","5","6","5","6","2","4","1") = "5"
    & skf21("3","5","6","5","6","2","5","1") = "5"
    & skf21("3","5","6","5","6","2","6","1") = "5"
    & skf21("3","5","6","5","6","2","7","1") = "6"
    & skf21("3","5","6","5","6","3","1","1") = "5"
    & skf21("3","5","6","5","6","3","2","1") = "5"
    & skf21("3","5","6","5","6","3","3","1") = "5"
    & skf21("3","5","6","5","6","3","4","1") = "5"
    & skf21("3","5","6","5","6","3","5","1") = "5"
    & skf21("3","5","6","5","6","3","6","1") = "5"
    & skf21("3","5","6","5","6","3","7","1") = "6"
    & skf21("3","5","6","5","6","4","1","1") = "5"
    & skf21("3","5","6","5","6","4","2","1") = "5"
    & skf21("3","5","6","5","6","4","3","1") = "5"
    & skf21("3","5","6","5","6","4","4","1") = "5"
    & skf21("3","5","6","5","6","4","5","1") = "5"
    & skf21("3","5","6","5","6","4","6","1") = "5"
    & skf21("3","5","6","5","6","4","7","1") = "6"
    & skf21("3","5","6","5","6","5","1","1") = "5"
    & skf21("3","5","6","5","6","5","2","1") = "5"
    & skf21("3","5","6","5","6","5","3","1") = "5"
    & skf21("3","5","6","5","6","5","4","1") = "5"
    & skf21("3","5","6","5","6","5","5","1") = "5"
    & skf21("3","5","6","5","6","5","6","1") = "5"
    & skf21("3","5","6","5","6","5","7","1") = "6"
    & skf21("3","5","6","5","6","6","1","1") = "5"
    & skf21("3","5","6","5","6","6","2","1") = "5"
    & skf21("3","5","6","5","6","6","3","1") = "5"
    & skf21("3","5","6","5","6","6","4","1") = "5"
    & skf21("3","5","6","5","6","6","5","1") = "5"
    & skf21("3","5","6","5","6","6","6","1") = "5"
    & skf21("3","5","6","5","6","6","7","1") = "6"
    & skf21("3","5","6","5","6","7","1","1") = "6"
    & skf21("3","5","6","5","6","7","2","1") = "6"
    & skf21("3","5","6","5","6","7","3","1") = "6"
    & skf21("3","5","6","5","6","7","4","1") = "6"
    & skf21("3","5","6","5","6","7","5","1") = "6"
    & skf21("3","5","6","5","6","7","6","1") = "6"
    & skf21("3","5","6","5","6","7","7","1") = "6"
    & skf21("3","5","6","5","7","1","1","1") = "6"
    & skf21("3","5","6","5","7","1","2","1") = "6"
    & skf21("3","5","6","5","7","1","3","1") = "6"
    & skf21("3","5","6","5","7","1","4","1") = "6"
    & skf21("3","5","6","5","7","1","5","1") = "6"
    & skf21("3","5","6","5","7","1","6","1") = "6"
    & skf21("3","5","6","5","7","1","7","1") = "6"
    & skf21("3","5","6","5","7","2","1","1") = "6"
    & skf21("3","5","6","5","7","2","2","1") = "6"
    & skf21("3","5","6","5","7","2","3","1") = "6"
    & skf21("3","5","6","5","7","2","4","1") = "6"
    & skf21("3","5","6","5","7","2","5","1") = "6"
    & skf21("3","5","6","5","7","2","6","1") = "6"
    & skf21("3","5","6","5","7","2","7","1") = "6"
    & skf21("3","5","6","5","7","3","1","1") = "6"
    & skf21("3","5","6","5","7","3","2","1") = "6"
    & skf21("3","5","6","5","7","3","3","1") = "6"
    & skf21("3","5","6","5","7","3","4","1") = "6"
    & skf21("3","5","6","5","7","3","5","1") = "6"
    & skf21("3","5","6","5","7","3","6","1") = "6"
    & skf21("3","5","6","5","7","3","7","1") = "6"
    & skf21("3","5","6","5","7","4","1","1") = "6"
    & skf21("3","5","6","5","7","4","2","1") = "6"
    & skf21("3","5","6","5","7","4","3","1") = "6"
    & skf21("3","5","6","5","7","4","4","1") = "6"
    & skf21("3","5","6","5","7","4","5","1") = "6"
    & skf21("3","5","6","5","7","4","6","1") = "6"
    & skf21("3","5","6","5","7","4","7","1") = "6"
    & skf21("3","5","6","5","7","5","1","1") = "6"
    & skf21("3","5","6","5","7","5","2","1") = "6"
    & skf21("3","5","6","5","7","5","3","1") = "6"
    & skf21("3","5","6","5","7","5","4","1") = "6"
    & skf21("3","5","6","5","7","5","5","1") = "6"
    & skf21("3","5","6","5","7","5","6","1") = "6"
    & skf21("3","5","6","5","7","5","7","1") = "6"
    & skf21("3","5","6","5","7","6","1","1") = "6"
    & skf21("3","5","6","5","7","6","2","1") = "6"
    & skf21("3","5","6","5","7","6","3","1") = "6"
    & skf21("3","5","6","5","7","6","4","1") = "6"
    & skf21("3","5","6","5","7","6","5","1") = "6"
    & skf21("3","5","6","5","7","6","6","1") = "6"
    & skf21("3","5","6","5","7","6","7","1") = "6"
    & skf21("3","5","6","5","7","7","1","1") = "6"
    & skf21("3","5","6","5","7","7","2","1") = "6"
    & skf21("3","5","6","5","7","7","3","1") = "6"
    & skf21("3","5","6","5","7","7","4","1") = "6"
    & skf21("3","5","6","5","7","7","5","1") = "6"
    & skf21("3","5","6","5","7","7","6","1") = "6"
    & skf21("3","5","6","5","7","7","7","1") = "6"
    & skf21("3","5","6","6","1","1","1","1") = "5"
    & skf21("3","5","6","6","1","1","2","1") = "5"
    & skf21("3","5","6","6","1","1","3","1") = "5"
    & skf21("3","5","6","6","1","1","4","1") = "5"
    & skf21("3","5","6","6","1","1","5","1") = "5"
    & skf21("3","5","6","6","1","1","6","1") = "5"
    & skf21("3","5","6","6","1","1","7","1") = "6"
    & skf21("3","5","6","6","1","2","1","1") = "5"
    & skf21("3","5","6","6","1","2","2","1") = "5"
    & skf21("3","5","6","6","1","2","3","1") = "5"
    & skf21("3","5","6","6","1","2","4","1") = "5"
    & skf21("3","5","6","6","1","2","5","1") = "5"
    & skf21("3","5","6","6","1","2","6","1") = "5"
    & skf21("3","5","6","6","1","2","7","1") = "6"
    & skf21("3","5","6","6","1","3","1","1") = "5"
    & skf21("3","5","6","6","1","3","2","1") = "5"
    & skf21("3","5","6","6","1","3","3","1") = "5"
    & skf21("3","5","6","6","1","3","4","1") = "5"
    & skf21("3","5","6","6","1","3","5","1") = "5"
    & skf21("3","5","6","6","1","3","6","1") = "5"
    & skf21("3","5","6","6","1","3","7","1") = "6"
    & skf21("3","5","6","6","1","4","1","1") = "5"
    & skf21("3","5","6","6","1","4","2","1") = "5"
    & skf21("3","5","6","6","1","4","3","1") = "5"
    & skf21("3","5","6","6","1","4","4","1") = "5"
    & skf21("3","5","6","6","1","4","5","1") = "5"
    & skf21("3","5","6","6","1","4","6","1") = "5"
    & skf21("3","5","6","6","1","4","7","1") = "6"
    & skf21("3","5","6","6","1","5","1","1") = "5"
    & skf21("3","5","6","6","1","5","2","1") = "5"
    & skf21("3","5","6","6","1","5","3","1") = "5"
    & skf21("3","5","6","6","1","5","4","1") = "5"
    & skf21("3","5","6","6","1","5","5","1") = "5"
    & skf21("3","5","6","6","1","5","6","1") = "5"
    & skf21("3","5","6","6","1","5","7","1") = "6"
    & skf21("3","5","6","6","1","6","1","1") = "5"
    & skf21("3","5","6","6","1","6","2","1") = "5"
    & skf21("3","5","6","6","1","6","3","1") = "5"
    & skf21("3","5","6","6","1","6","4","1") = "5"
    & skf21("3","5","6","6","1","6","5","1") = "5"
    & skf21("3","5","6","6","1","6","6","1") = "5"
    & skf21("3","5","6","6","1","6","7","1") = "6"
    & skf21("3","5","6","6","1","7","1","1") = "6"
    & skf21("3","5","6","6","1","7","2","1") = "6"
    & skf21("3","5","6","6","1","7","3","1") = "6"
    & skf21("3","5","6","6","1","7","4","1") = "6"
    & skf21("3","5","6","6","1","7","5","1") = "6"
    & skf21("3","5","6","6","1","7","6","1") = "6"
    & skf21("3","5","6","6","1","7","7","1") = "6"
    & skf21("3","5","6","6","2","1","1","1") = "5"
    & skf21("3","5","6","6","2","1","2","1") = "5"
    & skf21("3","5","6","6","2","1","3","1") = "5"
    & skf21("3","5","6","6","2","1","4","1") = "5"
    & skf21("3","5","6","6","2","1","5","1") = "5"
    & skf21("3","5","6","6","2","1","6","1") = "5"
    & skf21("3","5","6","6","2","1","7","1") = "6"
    & skf21("3","5","6","6","2","2","1","1") = "5"
    & skf21("3","5","6","6","2","2","2","1") = "5"
    & skf21("3","5","6","6","2","2","3","1") = "5"
    & skf21("3","5","6","6","2","2","4","1") = "5"
    & skf21("3","5","6","6","2","2","5","1") = "5"
    & skf21("3","5","6","6","2","2","6","1") = "5"
    & skf21("3","5","6","6","2","2","7","1") = "6"
    & skf21("3","5","6","6","2","3","1","1") = "5"
    & skf21("3","5","6","6","2","3","2","1") = "5"
    & skf21("3","5","6","6","2","3","3","1") = "5"
    & skf21("3","5","6","6","2","3","4","1") = "5"
    & skf21("3","5","6","6","2","3","5","1") = "5"
    & skf21("3","5","6","6","2","3","6","1") = "5"
    & skf21("3","5","6","6","2","3","7","1") = "6"
    & skf21("3","5","6","6","2","4","1","1") = "5"
    & skf21("3","5","6","6","2","4","2","1") = "5"
    & skf21("3","5","6","6","2","4","3","1") = "5"
    & skf21("3","5","6","6","2","4","4","1") = "5"
    & skf21("3","5","6","6","2","4","5","1") = "5"
    & skf21("3","5","6","6","2","4","6","1") = "5"
    & skf21("3","5","6","6","2","4","7","1") = "6"
    & skf21("3","5","6","6","2","5","1","1") = "5"
    & skf21("3","5","6","6","2","5","2","1") = "5"
    & skf21("3","5","6","6","2","5","3","1") = "5"
    & skf21("3","5","6","6","2","5","4","1") = "5"
    & skf21("3","5","6","6","2","5","5","1") = "5"
    & skf21("3","5","6","6","2","5","6","1") = "5"
    & skf21("3","5","6","6","2","5","7","1") = "6"
    & skf21("3","5","6","6","2","6","1","1") = "5"
    & skf21("3","5","6","6","2","6","2","1") = "5"
    & skf21("3","5","6","6","2","6","3","1") = "5"
    & skf21("3","5","6","6","2","6","4","1") = "5"
    & skf21("3","5","6","6","2","6","5","1") = "5"
    & skf21("3","5","6","6","2","6","6","1") = "5"
    & skf21("3","5","6","6","2","6","7","1") = "6"
    & skf21("3","5","6","6","2","7","1","1") = "6"
    & skf21("3","5","6","6","2","7","2","1") = "6"
    & skf21("3","5","6","6","2","7","3","1") = "6"
    & skf21("3","5","6","6","2","7","4","1") = "6"
    & skf21("3","5","6","6","2","7","5","1") = "6"
    & skf21("3","5","6","6","2","7","6","1") = "6"
    & skf21("3","5","6","6","2","7","7","1") = "6"
    & skf21("3","5","6","6","3","1","1","1") = "5"
    & skf21("3","5","6","6","3","1","2","1") = "5"
    & skf21("3","5","6","6","3","1","3","1") = "5"
    & skf21("3","5","6","6","3","1","4","1") = "5"
    & skf21("3","5","6","6","3","1","5","1") = "5"
    & skf21("3","5","6","6","3","1","6","1") = "5"
    & skf21("3","5","6","6","3","1","7","1") = "6"
    & skf21("3","5","6","6","3","2","1","1") = "5"
    & skf21("3","5","6","6","3","2","2","1") = "5"
    & skf21("3","5","6","6","3","2","3","1") = "5"
    & skf21("3","5","6","6","3","2","4","1") = "5"
    & skf21("3","5","6","6","3","2","5","1") = "5"
    & skf21("3","5","6","6","3","2","6","1") = "5"
    & skf21("3","5","6","6","3","2","7","1") = "6"
    & skf21("3","5","6","6","3","3","1","1") = "5"
    & skf21("3","5","6","6","3","3","2","1") = "5"
    & skf21("3","5","6","6","3","3","3","1") = "5"
    & skf21("3","5","6","6","3","3","4","1") = "5"
    & skf21("3","5","6","6","3","3","5","1") = "5"
    & skf21("3","5","6","6","3","3","6","1") = "5"
    & skf21("3","5","6","6","3","3","7","1") = "6"
    & skf21("3","5","6","6","3","4","1","1") = "5"
    & skf21("3","5","6","6","3","4","2","1") = "5"
    & skf21("3","5","6","6","3","4","3","1") = "5"
    & skf21("3","5","6","6","3","4","4","1") = "5"
    & skf21("3","5","6","6","3","4","5","1") = "5"
    & skf21("3","5","6","6","3","4","6","1") = "5"
    & skf21("3","5","6","6","3","4","7","1") = "6"
    & skf21("3","5","6","6","3","5","1","1") = "5"
    & skf21("3","5","6","6","3","5","2","1") = "5"
    & skf21("3","5","6","6","3","5","3","1") = "5"
    & skf21("3","5","6","6","3","5","4","1") = "5"
    & skf21("3","5","6","6","3","5","5","1") = "5"
    & skf21("3","5","6","6","3","5","6","1") = "5"
    & skf21("3","5","6","6","3","5","7","1") = "6"
    & skf21("3","5","6","6","3","6","1","1") = "5"
    & skf21("3","5","6","6","3","6","2","1") = "5"
    & skf21("3","5","6","6","3","6","3","1") = "5"
    & skf21("3","5","6","6","3","6","4","1") = "5"
    & skf21("3","5","6","6","3","6","5","1") = "5"
    & skf21("3","5","6","6","3","6","6","1") = "5"
    & skf21("3","5","6","6","3","6","7","1") = "6"
    & skf21("3","5","6","6","3","7","1","1") = "6"
    & skf21("3","5","6","6","3","7","2","1") = "6"
    & skf21("3","5","6","6","3","7","3","1") = "6"
    & skf21("3","5","6","6","3","7","4","1") = "6"
    & skf21("3","5","6","6","3","7","5","1") = "6"
    & skf21("3","5","6","6","3","7","6","1") = "6"
    & skf21("3","5","6","6","3","7","7","1") = "6"
    & skf21("3","5","6","6","4","1","1","1") = "5"
    & skf21("3","5","6","6","4","1","2","1") = "5"
    & skf21("3","5","6","6","4","1","3","1") = "5"
    & skf21("3","5","6","6","4","1","4","1") = "5"
    & skf21("3","5","6","6","4","1","5","1") = "5"
    & skf21("3","5","6","6","4","1","6","1") = "5"
    & skf21("3","5","6","6","4","1","7","1") = "6"
    & skf21("3","5","6","6","4","2","1","1") = "5"
    & skf21("3","5","6","6","4","2","2","1") = "5"
    & skf21("3","5","6","6","4","2","3","1") = "5"
    & skf21("3","5","6","6","4","2","4","1") = "5"
    & skf21("3","5","6","6","4","2","5","1") = "5"
    & skf21("3","5","6","6","4","2","6","1") = "5"
    & skf21("3","5","6","6","4","2","7","1") = "6"
    & skf21("3","5","6","6","4","3","1","1") = "5"
    & skf21("3","5","6","6","4","3","2","1") = "5"
    & skf21("3","5","6","6","4","3","3","1") = "5"
    & skf21("3","5","6","6","4","3","4","1") = "5"
    & skf21("3","5","6","6","4","3","5","1") = "5"
    & skf21("3","5","6","6","4","3","6","1") = "5"
    & skf21("3","5","6","6","4","3","7","1") = "6"
    & skf21("3","5","6","6","4","4","1","1") = "5"
    & skf21("3","5","6","6","4","4","2","1") = "5"
    & skf21("3","5","6","6","4","4","3","1") = "5"
    & skf21("3","5","6","6","4","4","4","1") = "5"
    & skf21("3","5","6","6","4","4","5","1") = "5"
    & skf21("3","5","6","6","4","4","6","1") = "5"
    & skf21("3","5","6","6","4","4","7","1") = "6"
    & skf21("3","5","6","6","4","5","1","1") = "5"
    & skf21("3","5","6","6","4","5","2","1") = "5"
    & skf21("3","5","6","6","4","5","3","1") = "5"
    & skf21("3","5","6","6","4","5","4","1") = "5"
    & skf21("3","5","6","6","4","5","5","1") = "5"
    & skf21("3","5","6","6","4","5","6","1") = "5"
    & skf21("3","5","6","6","4","5","7","1") = "6"
    & skf21("3","5","6","6","4","6","1","1") = "5"
    & skf21("3","5","6","6","4","6","2","1") = "5"
    & skf21("3","5","6","6","4","6","3","1") = "5"
    & skf21("3","5","6","6","4","6","4","1") = "5"
    & skf21("3","5","6","6","4","6","5","1") = "5"
    & skf21("3","5","6","6","4","6","6","1") = "5"
    & skf21("3","5","6","6","4","6","7","1") = "6"
    & skf21("3","5","6","6","4","7","1","1") = "6"
    & skf21("3","5","6","6","4","7","2","1") = "6"
    & skf21("3","5","6","6","4","7","3","1") = "6"
    & skf21("3","5","6","6","4","7","4","1") = "6"
    & skf21("3","5","6","6","4","7","5","1") = "6"
    & skf21("3","5","6","6","4","7","6","1") = "6"
    & skf21("3","5","6","6","4","7","7","1") = "6"
    & skf21("3","5","6","6","5","1","1","1") = "5"
    & skf21("3","5","6","6","5","1","2","1") = "5"
    & skf21("3","5","6","6","5","1","3","1") = "5"
    & skf21("3","5","6","6","5","1","4","1") = "5"
    & skf21("3","5","6","6","5","1","5","1") = "5"
    & skf21("3","5","6","6","5","1","6","1") = "5"
    & skf21("3","5","6","6","5","1","7","1") = "6"
    & skf21("3","5","6","6","5","2","1","1") = "5"
    & skf21("3","5","6","6","5","2","2","1") = "5"
    & skf21("3","5","6","6","5","2","3","1") = "5"
    & skf21("3","5","6","6","5","2","4","1") = "5"
    & skf21("3","5","6","6","5","2","5","1") = "5"
    & skf21("3","5","6","6","5","2","6","1") = "5"
    & skf21("3","5","6","6","5","2","7","1") = "6"
    & skf21("3","5","6","6","5","3","1","1") = "5"
    & skf21("3","5","6","6","5","3","2","1") = "5"
    & skf21("3","5","6","6","5","3","3","1") = "5"
    & skf21("3","5","6","6","5","3","4","1") = "5"
    & skf21("3","5","6","6","5","3","5","1") = "5"
    & skf21("3","5","6","6","5","3","6","1") = "5"
    & skf21("3","5","6","6","5","3","7","1") = "6"
    & skf21("3","5","6","6","5","4","1","1") = "5"
    & skf21("3","5","6","6","5","4","2","1") = "5"
    & skf21("3","5","6","6","5","4","3","1") = "5"
    & skf21("3","5","6","6","5","4","4","1") = "5"
    & skf21("3","5","6","6","5","4","5","1") = "5"
    & skf21("3","5","6","6","5","4","6","1") = "5"
    & skf21("3","5","6","6","5","4","7","1") = "6"
    & skf21("3","5","6","6","5","5","1","1") = "5"
    & skf21("3","5","6","6","5","5","2","1") = "5"
    & skf21("3","5","6","6","5","5","3","1") = "5"
    & skf21("3","5","6","6","5","5","4","1") = "5"
    & skf21("3","5","6","6","5","5","5","1") = "5"
    & skf21("3","5","6","6","5","5","6","1") = "5"
    & skf21("3","5","6","6","5","5","7","1") = "6"
    & skf21("3","5","6","6","5","6","1","1") = "5"
    & skf21("3","5","6","6","5","6","2","1") = "5"
    & skf21("3","5","6","6","5","6","3","1") = "5"
    & skf21("3","5","6","6","5","6","4","1") = "5"
    & skf21("3","5","6","6","5","6","5","1") = "5"
    & skf21("3","5","6","6","5","6","6","1") = "5"
    & skf21("3","5","6","6","5","6","7","1") = "6"
    & skf21("3","5","6","6","5","7","1","1") = "6"
    & skf21("3","5","6","6","5","7","2","1") = "6"
    & skf21("3","5","6","6","5","7","3","1") = "6"
    & skf21("3","5","6","6","5","7","4","1") = "6"
    & skf21("3","5","6","6","5","7","5","1") = "6"
    & skf21("3","5","6","6","5","7","6","1") = "6"
    & skf21("3","5","6","6","5","7","7","1") = "6"
    & skf21("3","5","6","6","6","1","1","1") = "5"
    & skf21("3","5","6","6","6","1","2","1") = "5"
    & skf21("3","5","6","6","6","1","3","1") = "5"
    & skf21("3","5","6","6","6","1","4","1") = "5"
    & skf21("3","5","6","6","6","1","5","1") = "5"
    & skf21("3","5","6","6","6","1","6","1") = "5"
    & skf21("3","5","6","6","6","1","7","1") = "6"
    & skf21("3","5","6","6","6","2","1","1") = "5"
    & skf21("3","5","6","6","6","2","2","1") = "5"
    & skf21("3","5","6","6","6","2","3","1") = "5"
    & skf21("3","5","6","6","6","2","4","1") = "5"
    & skf21("3","5","6","6","6","2","5","1") = "5"
    & skf21("3","5","6","6","6","2","6","1") = "5"
    & skf21("3","5","6","6","6","2","7","1") = "6"
    & skf21("3","5","6","6","6","3","1","1") = "5"
    & skf21("3","5","6","6","6","3","2","1") = "5"
    & skf21("3","5","6","6","6","3","3","1") = "5"
    & skf21("3","5","6","6","6","3","4","1") = "5"
    & skf21("3","5","6","6","6","3","5","1") = "5"
    & skf21("3","5","6","6","6","3","6","1") = "5"
    & skf21("3","5","6","6","6","3","7","1") = "6"
    & skf21("3","5","6","6","6","4","1","1") = "5"
    & skf21("3","5","6","6","6","4","2","1") = "5"
    & skf21("3","5","6","6","6","4","3","1") = "5"
    & skf21("3","5","6","6","6","4","4","1") = "5"
    & skf21("3","5","6","6","6","4","5","1") = "5"
    & skf21("3","5","6","6","6","4","6","1") = "5"
    & skf21("3","5","6","6","6","4","7","1") = "6"
    & skf21("3","5","6","6","6","5","1","1") = "5"
    & skf21("3","5","6","6","6","5","2","1") = "5"
    & skf21("3","5","6","6","6","5","3","1") = "5"
    & skf21("3","5","6","6","6","5","4","1") = "5"
    & skf21("3","5","6","6","6","5","5","1") = "5"
    & skf21("3","5","6","6","6","5","6","1") = "5"
    & skf21("3","5","6","6","6","5","7","1") = "6"
    & skf21("3","5","6","6","6","6","1","1") = "5"
    & skf21("3","5","6","6","6","6","2","1") = "5"
    & skf21("3","5","6","6","6","6","3","1") = "5"
    & skf21("3","5","6","6","6","6","4","1") = "5"
    & skf21("3","5","6","6","6","6","5","1") = "5"
    & skf21("3","5","6","6","6","6","6","1") = "5"
    & skf21("3","5","6","6","6","6","7","1") = "6"
    & skf21("3","5","6","6","6","7","1","1") = "6"
    & skf21("3","5","6","6","6","7","2","1") = "6"
    & skf21("3","5","6","6","6","7","3","1") = "6"
    & skf21("3","5","6","6","6","7","4","1") = "6"
    & skf21("3","5","6","6","6","7","5","1") = "6"
    & skf21("3","5","6","6","6","7","6","1") = "6"
    & skf21("3","5","6","6","6","7","7","1") = "6"
    & skf21("3","5","6","6","7","1","1","1") = "6"
    & skf21("3","5","6","6","7","1","2","1") = "6"
    & skf21("3","5","6","6","7","1","3","1") = "6"
    & skf21("3","5","6","6","7","1","4","1") = "6"
    & skf21("3","5","6","6","7","1","5","1") = "6"
    & skf21("3","5","6","6","7","1","6","1") = "6"
    & skf21("3","5","6","6","7","1","7","1") = "6"
    & skf21("3","5","6","6","7","2","1","1") = "6"
    & skf21("3","5","6","6","7","2","2","1") = "6"
    & skf21("3","5","6","6","7","2","3","1") = "6"
    & skf21("3","5","6","6","7","2","4","1") = "6"
    & skf21("3","5","6","6","7","2","5","1") = "6"
    & skf21("3","5","6","6","7","2","6","1") = "6"
    & skf21("3","5","6","6","7","2","7","1") = "6"
    & skf21("3","5","6","6","7","3","1","1") = "6"
    & skf21("3","5","6","6","7","3","2","1") = "6"
    & skf21("3","5","6","6","7","3","3","1") = "6"
    & skf21("3","5","6","6","7","3","4","1") = "6"
    & skf21("3","5","6","6","7","3","5","1") = "6"
    & skf21("3","5","6","6","7","3","6","1") = "6"
    & skf21("3","5","6","6","7","3","7","1") = "6"
    & skf21("3","5","6","6","7","4","1","1") = "6"
    & skf21("3","5","6","6","7","4","2","1") = "6"
    & skf21("3","5","6","6","7","4","3","1") = "6"
    & skf21("3","5","6","6","7","4","4","1") = "6"
    & skf21("3","5","6","6","7","4","5","1") = "6"
    & skf21("3","5","6","6","7","4","6","1") = "6"
    & skf21("3","5","6","6","7","4","7","1") = "6"
    & skf21("3","5","6","6","7","5","1","1") = "6"
    & skf21("3","5","6","6","7","5","2","1") = "6"
    & skf21("3","5","6","6","7","5","3","1") = "6"
    & skf21("3","5","6","6","7","5","4","1") = "6"
    & skf21("3","5","6","6","7","5","5","1") = "6"
    & skf21("3","5","6","6","7","5","6","1") = "6"
    & skf21("3","5","6","6","7","5","7","1") = "6"
    & skf21("3","5","6","6","7","6","1","1") = "6"
    & skf21("3","5","6","6","7","6","2","1") = "6"
    & skf21("3","5","6","6","7","6","3","1") = "6"
    & skf21("3","5","6","6","7","6","4","1") = "6"
    & skf21("3","5","6","6","7","6","5","1") = "6"
    & skf21("3","5","6","6","7","6","6","1") = "6"
    & skf21("3","5","6","6","7","6","7","1") = "6"
    & skf21("3","5","6","6","7","7","1","1") = "6"
    & skf21("3","5","6","6","7","7","2","1") = "6"
    & skf21("3","5","6","6","7","7","3","1") = "6"
    & skf21("3","5","6","6","7","7","4","1") = "6"
    & skf21("3","5","6","6","7","7","5","1") = "6"
    & skf21("3","5","6","6","7","7","6","1") = "6"
    & skf21("3","5","6","6","7","7","7","1") = "6"
    & skf21("3","5","6","7","1","1","1","1") = "6"
    & skf21("3","5","6","7","1","1","2","1") = "6"
    & skf21("3","5","6","7","1","1","3","1") = "6"
    & skf21("3","5","6","7","1","1","4","1") = "6"
    & skf21("3","5","6","7","1","1","5","1") = "6"
    & skf21("3","5","6","7","1","1","6","1") = "6"
    & skf21("3","5","6","7","1","1","7","1") = "6"
    & skf21("3","5","6","7","1","2","1","1") = "6"
    & skf21("3","5","6","7","1","2","2","1") = "6"
    & skf21("3","5","6","7","1","2","3","1") = "6"
    & skf21("3","5","6","7","1","2","4","1") = "6"
    & skf21("3","5","6","7","1","2","5","1") = "6"
    & skf21("3","5","6","7","1","2","6","1") = "6"
    & skf21("3","5","6","7","1","2","7","1") = "6"
    & skf21("3","5","6","7","1","3","1","1") = "6"
    & skf21("3","5","6","7","1","3","2","1") = "6"
    & skf21("3","5","6","7","1","3","3","1") = "6"
    & skf21("3","5","6","7","1","3","4","1") = "6"
    & skf21("3","5","6","7","1","3","5","1") = "6"
    & skf21("3","5","6","7","1","3","6","1") = "6"
    & skf21("3","5","6","7","1","3","7","1") = "6"
    & skf21("3","5","6","7","1","4","1","1") = "6"
    & skf21("3","5","6","7","1","4","2","1") = "6"
    & skf21("3","5","6","7","1","4","3","1") = "6"
    & skf21("3","5","6","7","1","4","4","1") = "6"
    & skf21("3","5","6","7","1","4","5","1") = "6"
    & skf21("3","5","6","7","1","4","6","1") = "6"
    & skf21("3","5","6","7","1","4","7","1") = "6"
    & skf21("3","5","6","7","1","5","1","1") = "6"
    & skf21("3","5","6","7","1","5","2","1") = "6"
    & skf21("3","5","6","7","1","5","3","1") = "6"
    & skf21("3","5","6","7","1","5","4","1") = "6"
    & skf21("3","5","6","7","1","5","5","1") = "6"
    & skf21("3","5","6","7","1","5","6","1") = "6"
    & skf21("3","5","6","7","1","5","7","1") = "6"
    & skf21("3","5","6","7","1","6","1","1") = "6"
    & skf21("3","5","6","7","1","6","2","1") = "6"
    & skf21("3","5","6","7","1","6","3","1") = "6"
    & skf21("3","5","6","7","1","6","4","1") = "6"
    & skf21("3","5","6","7","1","6","5","1") = "6"
    & skf21("3","5","6","7","1","6","6","1") = "6"
    & skf21("3","5","6","7","1","6","7","1") = "6"
    & skf21("3","5","6","7","1","7","1","1") = "6"
    & skf21("3","5","6","7","1","7","2","1") = "6"
    & skf21("3","5","6","7","1","7","3","1") = "6"
    & skf21("3","5","6","7","1","7","4","1") = "6"
    & skf21("3","5","6","7","1","7","5","1") = "6"
    & skf21("3","5","6","7","1","7","6","1") = "6"
    & skf21("3","5","6","7","1","7","7","1") = "6"
    & skf21("3","5","6","7","2","1","1","1") = "6"
    & skf21("3","5","6","7","2","1","2","1") = "6"
    & skf21("3","5","6","7","2","1","3","1") = "6"
    & skf21("3","5","6","7","2","1","4","1") = "6"
    & skf21("3","5","6","7","2","1","5","1") = "6"
    & skf21("3","5","6","7","2","1","6","1") = "6"
    & skf21("3","5","6","7","2","1","7","1") = "6"
    & skf21("3","5","6","7","2","2","1","1") = "6"
    & skf21("3","5","6","7","2","2","2","1") = "6"
    & skf21("3","5","6","7","2","2","3","1") = "6"
    & skf21("3","5","6","7","2","2","4","1") = "6"
    & skf21("3","5","6","7","2","2","5","1") = "6"
    & skf21("3","5","6","7","2","2","6","1") = "6"
    & skf21("3","5","6","7","2","2","7","1") = "6"
    & skf21("3","5","6","7","2","3","1","1") = "6"
    & skf21("3","5","6","7","2","3","2","1") = "6"
    & skf21("3","5","6","7","2","3","3","1") = "6"
    & skf21("3","5","6","7","2","3","4","1") = "6"
    & skf21("3","5","6","7","2","3","5","1") = "6"
    & skf21("3","5","6","7","2","3","6","1") = "6"
    & skf21("3","5","6","7","2","3","7","1") = "6"
    & skf21("3","5","6","7","2","4","1","1") = "6"
    & skf21("3","5","6","7","2","4","2","1") = "6"
    & skf21("3","5","6","7","2","4","3","1") = "6"
    & skf21("3","5","6","7","2","4","4","1") = "6"
    & skf21("3","5","6","7","2","4","5","1") = "6"
    & skf21("3","5","6","7","2","4","6","1") = "6"
    & skf21("3","5","6","7","2","4","7","1") = "6"
    & skf21("3","5","6","7","2","5","1","1") = "6"
    & skf21("3","5","6","7","2","5","2","1") = "6"
    & skf21("3","5","6","7","2","5","3","1") = "6"
    & skf21("3","5","6","7","2","5","4","1") = "6"
    & skf21("3","5","6","7","2","5","5","1") = "6"
    & skf21("3","5","6","7","2","5","6","1") = "6"
    & skf21("3","5","6","7","2","5","7","1") = "6"
    & skf21("3","5","6","7","2","6","1","1") = "6"
    & skf21("3","5","6","7","2","6","2","1") = "6"
    & skf21("3","5","6","7","2","6","3","1") = "6"
    & skf21("3","5","6","7","2","6","4","1") = "6"
    & skf21("3","5","6","7","2","6","5","1") = "6"
    & skf21("3","5","6","7","2","6","6","1") = "6"
    & skf21("3","5","6","7","2","6","7","1") = "6"
    & skf21("3","5","6","7","2","7","1","1") = "6"
    & skf21("3","5","6","7","2","7","2","1") = "6"
    & skf21("3","5","6","7","2","7","3","1") = "6"
    & skf21("3","5","6","7","2","7","4","1") = "6"
    & skf21("3","5","6","7","2","7","5","1") = "6"
    & skf21("3","5","6","7","2","7","6","1") = "6"
    & skf21("3","5","6","7","2","7","7","1") = "6"
    & skf21("3","5","6","7","3","1","1","1") = "6"
    & skf21("3","5","6","7","3","1","2","1") = "6"
    & skf21("3","5","6","7","3","1","3","1") = "6"
    & skf21("3","5","6","7","3","1","4","1") = "6"
    & skf21("3","5","6","7","3","1","5","1") = "6"
    & skf21("3","5","6","7","3","1","6","1") = "6"
    & skf21("3","5","6","7","3","1","7","1") = "6"
    & skf21("3","5","6","7","3","2","1","1") = "6"
    & skf21("3","5","6","7","3","2","2","1") = "6"
    & skf21("3","5","6","7","3","2","3","1") = "6"
    & skf21("3","5","6","7","3","2","4","1") = "6"
    & skf21("3","5","6","7","3","2","5","1") = "6"
    & skf21("3","5","6","7","3","2","6","1") = "6"
    & skf21("3","5","6","7","3","2","7","1") = "6"
    & skf21("3","5","6","7","3","3","1","1") = "6"
    & skf21("3","5","6","7","3","3","2","1") = "6"
    & skf21("3","5","6","7","3","3","3","1") = "6"
    & skf21("3","5","6","7","3","3","4","1") = "6"
    & skf21("3","5","6","7","3","3","5","1") = "6"
    & skf21("3","5","6","7","3","3","6","1") = "6"
    & skf21("3","5","6","7","3","3","7","1") = "6"
    & skf21("3","5","6","7","3","4","1","1") = "6"
    & skf21("3","5","6","7","3","4","2","1") = "6"
    & skf21("3","5","6","7","3","4","3","1") = "6"
    & skf21("3","5","6","7","3","4","4","1") = "6"
    & skf21("3","5","6","7","3","4","5","1") = "6"
    & skf21("3","5","6","7","3","4","6","1") = "6"
    & skf21("3","5","6","7","3","4","7","1") = "6"
    & skf21("3","5","6","7","3","5","1","1") = "6"
    & skf21("3","5","6","7","3","5","2","1") = "6"
    & skf21("3","5","6","7","3","5","3","1") = "6"
    & skf21("3","5","6","7","3","5","4","1") = "6"
    & skf21("3","5","6","7","3","5","5","1") = "6"
    & skf21("3","5","6","7","3","5","6","1") = "6"
    & skf21("3","5","6","7","3","5","7","1") = "6"
    & skf21("3","5","6","7","3","6","1","1") = "6"
    & skf21("3","5","6","7","3","6","2","1") = "6"
    & skf21("3","5","6","7","3","6","3","1") = "6"
    & skf21("3","5","6","7","3","6","4","1") = "6"
    & skf21("3","5","6","7","3","6","5","1") = "6"
    & skf21("3","5","6","7","3","6","6","1") = "6"
    & skf21("3","5","6","7","3","6","7","1") = "6"
    & skf21("3","5","6","7","3","7","1","1") = "6"
    & skf21("3","5","6","7","3","7","2","1") = "6"
    & skf21("3","5","6","7","3","7","3","1") = "6"
    & skf21("3","5","6","7","3","7","4","1") = "6"
    & skf21("3","5","6","7","3","7","5","1") = "6"
    & skf21("3","5","6","7","3","7","6","1") = "6"
    & skf21("3","5","6","7","3","7","7","1") = "6"
    & skf21("3","5","6","7","4","1","1","1") = "6"
    & skf21("3","5","6","7","4","1","2","1") = "6"
    & skf21("3","5","6","7","4","1","3","1") = "6"
    & skf21("3","5","6","7","4","1","4","1") = "6"
    & skf21("3","5","6","7","4","1","5","1") = "6"
    & skf21("3","5","6","7","4","1","6","1") = "6"
    & skf21("3","5","6","7","4","1","7","1") = "6"
    & skf21("3","5","6","7","4","2","1","1") = "6"
    & skf21("3","5","6","7","4","2","2","1") = "6"
    & skf21("3","5","6","7","4","2","3","1") = "6"
    & skf21("3","5","6","7","4","2","4","1") = "6"
    & skf21("3","5","6","7","4","2","5","1") = "6"
    & skf21("3","5","6","7","4","2","6","1") = "6"
    & skf21("3","5","6","7","4","2","7","1") = "6"
    & skf21("3","5","6","7","4","3","1","1") = "6"
    & skf21("3","5","6","7","4","3","2","1") = "6"
    & skf21("3","5","6","7","4","3","3","1") = "6"
    & skf21("3","5","6","7","4","3","4","1") = "6"
    & skf21("3","5","6","7","4","3","5","1") = "6"
    & skf21("3","5","6","7","4","3","6","1") = "6"
    & skf21("3","5","6","7","4","3","7","1") = "6"
    & skf21("3","5","6","7","4","4","1","1") = "6"
    & skf21("3","5","6","7","4","4","2","1") = "6"
    & skf21("3","5","6","7","4","4","3","1") = "6"
    & skf21("3","5","6","7","4","4","4","1") = "6"
    & skf21("3","5","6","7","4","4","5","1") = "6"
    & skf21("3","5","6","7","4","4","6","1") = "6"
    & skf21("3","5","6","7","4","4","7","1") = "6"
    & skf21("3","5","6","7","4","5","1","1") = "6"
    & skf21("3","5","6","7","4","5","2","1") = "6"
    & skf21("3","5","6","7","4","5","3","1") = "6"
    & skf21("3","5","6","7","4","5","4","1") = "6"
    & skf21("3","5","6","7","4","5","5","1") = "6"
    & skf21("3","5","6","7","4","5","6","1") = "6"
    & skf21("3","5","6","7","4","5","7","1") = "6"
    & skf21("3","5","6","7","4","6","1","1") = "6"
    & skf21("3","5","6","7","4","6","2","1") = "6"
    & skf21("3","5","6","7","4","6","3","1") = "6"
    & skf21("3","5","6","7","4","6","4","1") = "6"
    & skf21("3","5","6","7","4","6","5","1") = "6"
    & skf21("3","5","6","7","4","6","6","1") = "6"
    & skf21("3","5","6","7","4","6","7","1") = "6"
    & skf21("3","5","6","7","4","7","1","1") = "6"
    & skf21("3","5","6","7","4","7","2","1") = "6"
    & skf21("3","5","6","7","4","7","3","1") = "6"
    & skf21("3","5","6","7","4","7","4","1") = "6"
    & skf21("3","5","6","7","4","7","5","1") = "6"
    & skf21("3","5","6","7","4","7","6","1") = "6"
    & skf21("3","5","6","7","4","7","7","1") = "6"
    & skf21("3","5","6","7","5","1","1","1") = "6"
    & skf21("3","5","6","7","5","1","2","1") = "6"
    & skf21("3","5","6","7","5","1","3","1") = "6"
    & skf21("3","5","6","7","5","1","4","1") = "6"
    & skf21("3","5","6","7","5","1","5","1") = "6"
    & skf21("3","5","6","7","5","1","6","1") = "6"
    & skf21("3","5","6","7","5","1","7","1") = "6"
    & skf21("3","5","6","7","5","2","1","1") = "6"
    & skf21("3","5","6","7","5","2","2","1") = "6"
    & skf21("3","5","6","7","5","2","3","1") = "6"
    & skf21("3","5","6","7","5","2","4","1") = "6"
    & skf21("3","5","6","7","5","2","5","1") = "6"
    & skf21("3","5","6","7","5","2","6","1") = "6"
    & skf21("3","5","6","7","5","2","7","1") = "6"
    & skf21("3","5","6","7","5","3","1","1") = "6"
    & skf21("3","5","6","7","5","3","2","1") = "6"
    & skf21("3","5","6","7","5","3","3","1") = "6"
    & skf21("3","5","6","7","5","3","4","1") = "6"
    & skf21("3","5","6","7","5","3","5","1") = "6"
    & skf21("3","5","6","7","5","3","6","1") = "6"
    & skf21("3","5","6","7","5","3","7","1") = "6"
    & skf21("3","5","6","7","5","4","1","1") = "6"
    & skf21("3","5","6","7","5","4","2","1") = "6"
    & skf21("3","5","6","7","5","4","3","1") = "6"
    & skf21("3","5","6","7","5","4","4","1") = "6"
    & skf21("3","5","6","7","5","4","5","1") = "6"
    & skf21("3","5","6","7","5","4","6","1") = "6"
    & skf21("3","5","6","7","5","4","7","1") = "6"
    & skf21("3","5","6","7","5","5","1","1") = "6"
    & skf21("3","5","6","7","5","5","2","1") = "6"
    & skf21("3","5","6","7","5","5","3","1") = "6"
    & skf21("3","5","6","7","5","5","4","1") = "6"
    & skf21("3","5","6","7","5","5","5","1") = "6"
    & skf21("3","5","6","7","5","5","6","1") = "6"
    & skf21("3","5","6","7","5","5","7","1") = "6"
    & skf21("3","5","6","7","5","6","1","1") = "6"
    & skf21("3","5","6","7","5","6","2","1") = "6"
    & skf21("3","5","6","7","5","6","3","1") = "6"
    & skf21("3","5","6","7","5","6","4","1") = "6"
    & skf21("3","5","6","7","5","6","5","1") = "6"
    & skf21("3","5","6","7","5","6","6","1") = "6"
    & skf21("3","5","6","7","5","6","7","1") = "6"
    & skf21("3","5","6","7","5","7","1","1") = "6"
    & skf21("3","5","6","7","5","7","2","1") = "6"
    & skf21("3","5","6","7","5","7","3","1") = "6"
    & skf21("3","5","6","7","5","7","4","1") = "6"
    & skf21("3","5","6","7","5","7","5","1") = "6"
    & skf21("3","5","6","7","5","7","6","1") = "6"
    & skf21("3","5","6","7","5","7","7","1") = "6"
    & skf21("3","5","6","7","6","1","1","1") = "6"
    & skf21("3","5","6","7","6","1","2","1") = "6"
    & skf21("3","5","6","7","6","1","3","1") = "6"
    & skf21("3","5","6","7","6","1","4","1") = "6"
    & skf21("3","5","6","7","6","1","5","1") = "6"
    & skf21("3","5","6","7","6","1","6","1") = "6"
    & skf21("3","5","6","7","6","1","7","1") = "6"
    & skf21("3","5","6","7","6","2","1","1") = "6"
    & skf21("3","5","6","7","6","2","2","1") = "6"
    & skf21("3","5","6","7","6","2","3","1") = "6"
    & skf21("3","5","6","7","6","2","4","1") = "6"
    & skf21("3","5","6","7","6","2","5","1") = "6"
    & skf21("3","5","6","7","6","2","6","1") = "6"
    & skf21("3","5","6","7","6","2","7","1") = "6"
    & skf21("3","5","6","7","6","3","1","1") = "6"
    & skf21("3","5","6","7","6","3","2","1") = "6"
    & skf21("3","5","6","7","6","3","3","1") = "6"
    & skf21("3","5","6","7","6","3","4","1") = "6"
    & skf21("3","5","6","7","6","3","5","1") = "6"
    & skf21("3","5","6","7","6","3","6","1") = "6"
    & skf21("3","5","6","7","6","3","7","1") = "6"
    & skf21("3","5","6","7","6","4","1","1") = "6"
    & skf21("3","5","6","7","6","4","2","1") = "6"
    & skf21("3","5","6","7","6","4","3","1") = "6"
    & skf21("3","5","6","7","6","4","4","1") = "6"
    & skf21("3","5","6","7","6","4","5","1") = "6"
    & skf21("3","5","6","7","6","4","6","1") = "6"
    & skf21("3","5","6","7","6","4","7","1") = "6"
    & skf21("3","5","6","7","6","5","1","1") = "6"
    & skf21("3","5","6","7","6","5","2","1") = "6"
    & skf21("3","5","6","7","6","5","3","1") = "6"
    & skf21("3","5","6","7","6","5","4","1") = "6"
    & skf21("3","5","6","7","6","5","5","1") = "6"
    & skf21("3","5","6","7","6","5","6","1") = "6"
    & skf21("3","5","6","7","6","5","7","1") = "6"
    & skf21("3","5","6","7","6","6","1","1") = "6"
    & skf21("3","5","6","7","6","6","2","1") = "6"
    & skf21("3","5","6","7","6","6","3","1") = "6"
    & skf21("3","5","6","7","6","6","4","1") = "6"
    & skf21("3","5","6","7","6","6","5","1") = "6"
    & skf21("3","5","6","7","6","6","6","1") = "6"
    & skf21("3","5","6","7","6","6","7","1") = "6"
    & skf21("3","5","6","7","6","7","1","1") = "6"
    & skf21("3","5","6","7","6","7","2","1") = "6"
    & skf21("3","5","6","7","6","7","3","1") = "6"
    & skf21("3","5","6","7","6","7","4","1") = "6"
    & skf21("3","5","6","7","6","7","5","1") = "6"
    & skf21("3","5","6","7","6","7","6","1") = "6"
    & skf21("3","5","6","7","6","7","7","1") = "6"
    & skf21("3","5","6","7","7","1","1","1") = "6"
    & skf21("3","5","6","7","7","1","2","1") = "6"
    & skf21("3","5","6","7","7","1","3","1") = "6"
    & skf21("3","5","6","7","7","1","4","1") = "6"
    & skf21("3","5","6","7","7","1","5","1") = "6"
    & skf21("3","5","6","7","7","1","6","1") = "6"
    & skf21("3","5","6","7","7","1","7","1") = "6"
    & skf21("3","5","6","7","7","2","1","1") = "6"
    & skf21("3","5","6","7","7","2","2","1") = "6"
    & skf21("3","5","6","7","7","2","3","1") = "6"
    & skf21("3","5","6","7","7","2","4","1") = "6"
    & skf21("3","5","6","7","7","2","5","1") = "6"
    & skf21("3","5","6","7","7","2","6","1") = "6"
    & skf21("3","5","6","7","7","2","7","1") = "6"
    & skf21("3","5","6","7","7","3","1","1") = "6"
    & skf21("3","5","6","7","7","3","2","1") = "6"
    & skf21("3","5","6","7","7","3","3","1") = "6"
    & skf21("3","5","6","7","7","3","4","1") = "6"
    & skf21("3","5","6","7","7","3","5","1") = "6"
    & skf21("3","5","6","7","7","3","6","1") = "6"
    & skf21("3","5","6","7","7","3","7","1") = "6"
    & skf21("3","5","6","7","7","4","1","1") = "6"
    & skf21("3","5","6","7","7","4","2","1") = "6"
    & skf21("3","5","6","7","7","4","3","1") = "6"
    & skf21("3","5","6","7","7","4","4","1") = "6"
    & skf21("3","5","6","7","7","4","5","1") = "6"
    & skf21("3","5","6","7","7","4","6","1") = "6"
    & skf21("3","5","6","7","7","4","7","1") = "6"
    & skf21("3","5","6","7","7","5","1","1") = "6"
    & skf21("3","5","6","7","7","5","2","1") = "6"
    & skf21("3","5","6","7","7","5","3","1") = "6"
    & skf21("3","5","6","7","7","5","4","1") = "6"
    & skf21("3","5","6","7","7","5","5","1") = "6"
    & skf21("3","5","6","7","7","5","6","1") = "6"
    & skf21("3","5","6","7","7","5","7","1") = "6"
    & skf21("3","5","6","7","7","6","1","1") = "6"
    & skf21("3","5","6","7","7","6","2","1") = "6"
    & skf21("3","5","6","7","7","6","3","1") = "6"
    & skf21("3","5","6","7","7","6","4","1") = "6"
    & skf21("3","5","6","7","7","6","5","1") = "6"
    & skf21("3","5","6","7","7","6","6","1") = "6"
    & skf21("3","5","6","7","7","6","7","1") = "6"
    & skf21("3","5","6","7","7","7","1","1") = "6"
    & skf21("3","5","6","7","7","7","2","1") = "6"
    & skf21("3","5","6","7","7","7","3","1") = "6"
    & skf21("3","5","6","7","7","7","4","1") = "6"
    & skf21("3","5","6","7","7","7","5","1") = "6"
    & skf21("3","5","6","7","7","7","6","1") = "6"
    & skf21("3","5","6","7","7","7","7","1") = "6"
    & skf21("3","5","7","1","1","1","1","1") = "6"
    & skf21("3","5","7","1","1","1","2","1") = "6"
    & skf21("3","5","7","1","1","1","3","1") = "6"
    & skf21("3","5","7","1","1","1","4","1") = "6"
    & skf21("3","5","7","1","1","1","5","1") = "6"
    & skf21("3","5","7","1","1","1","6","1") = "6"
    & skf21("3","5","7","1","1","1","7","1") = "6"
    & skf21("3","5","7","1","1","2","1","1") = "6"
    & skf21("3","5","7","1","1","2","2","1") = "6"
    & skf21("3","5","7","1","1","2","3","1") = "6"
    & skf21("3","5","7","1","1","2","4","1") = "6"
    & skf21("3","5","7","1","1","2","5","1") = "6"
    & skf21("3","5","7","1","1","2","6","1") = "6"
    & skf21("3","5","7","1","1","2","7","1") = "6"
    & skf21("3","5","7","1","1","3","1","1") = "6"
    & skf21("3","5","7","1","1","3","2","1") = "6"
    & skf21("3","5","7","1","1","3","3","1") = "6"
    & skf21("3","5","7","1","1","3","4","1") = "6"
    & skf21("3","5","7","1","1","3","5","1") = "6"
    & skf21("3","5","7","1","1","3","6","1") = "6"
    & skf21("3","5","7","1","1","3","7","1") = "6"
    & skf21("3","5","7","1","1","4","1","1") = "6"
    & skf21("3","5","7","1","1","4","2","1") = "6"
    & skf21("3","5","7","1","1","4","3","1") = "6"
    & skf21("3","5","7","1","1","4","4","1") = "6"
    & skf21("3","5","7","1","1","4","5","1") = "6"
    & skf21("3","5","7","1","1","4","6","1") = "6"
    & skf21("3","5","7","1","1","4","7","1") = "6"
    & skf21("3","5","7","1","1","5","1","1") = "6"
    & skf21("3","5","7","1","1","5","2","1") = "6"
    & skf21("3","5","7","1","1","5","3","1") = "6"
    & skf21("3","5","7","1","1","5","4","1") = "6"
    & skf21("3","5","7","1","1","5","5","1") = "6"
    & skf21("3","5","7","1","1","5","6","1") = "6"
    & skf21("3","5","7","1","1","5","7","1") = "6"
    & skf21("3","5","7","1","1","6","1","1") = "6"
    & skf21("3","5","7","1","1","6","2","1") = "6"
    & skf21("3","5","7","1","1","6","3","1") = "6"
    & skf21("3","5","7","1","1","6","4","1") = "6"
    & skf21("3","5","7","1","1","6","5","1") = "6"
    & skf21("3","5","7","1","1","6","6","1") = "6"
    & skf21("3","5","7","1","1","6","7","1") = "6"
    & skf21("3","5","7","1","1","7","1","1") = "6"
    & skf21("3","5","7","1","1","7","2","1") = "6"
    & skf21("3","5","7","1","1","7","3","1") = "6"
    & skf21("3","5","7","1","1","7","4","1") = "6"
    & skf21("3","5","7","1","1","7","5","1") = "6"
    & skf21("3","5","7","1","1","7","6","1") = "6"
    & skf21("3","5","7","1","1","7","7","1") = "6"
    & skf21("3","5","7","1","2","1","1","1") = "6"
    & skf21("3","5","7","1","2","1","2","1") = "6"
    & skf21("3","5","7","1","2","1","3","1") = "6"
    & skf21("3","5","7","1","2","1","4","1") = "6"
    & skf21("3","5","7","1","2","1","5","1") = "6"
    & skf21("3","5","7","1","2","1","6","1") = "6"
    & skf21("3","5","7","1","2","1","7","1") = "6"
    & skf21("3","5","7","1","2","2","1","1") = "6"
    & skf21("3","5","7","1","2","2","2","1") = "6"
    & skf21("3","5","7","1","2","2","3","1") = "6"
    & skf21("3","5","7","1","2","2","4","1") = "6"
    & skf21("3","5","7","1","2","2","5","1") = "6"
    & skf21("3","5","7","1","2","2","6","1") = "6"
    & skf21("3","5","7","1","2","2","7","1") = "6"
    & skf21("3","5","7","1","2","3","1","1") = "6"
    & skf21("3","5","7","1","2","3","2","1") = "6"
    & skf21("3","5","7","1","2","3","3","1") = "6"
    & skf21("3","5","7","1","2","3","4","1") = "6"
    & skf21("3","5","7","1","2","3","5","1") = "6"
    & skf21("3","5","7","1","2","3","6","1") = "6"
    & skf21("3","5","7","1","2","3","7","1") = "6"
    & skf21("3","5","7","1","2","4","1","1") = "6"
    & skf21("3","5","7","1","2","4","2","1") = "6"
    & skf21("3","5","7","1","2","4","3","1") = "6"
    & skf21("3","5","7","1","2","4","4","1") = "6"
    & skf21("3","5","7","1","2","4","5","1") = "6"
    & skf21("3","5","7","1","2","4","6","1") = "6"
    & skf21("3","5","7","1","2","4","7","1") = "6"
    & skf21("3","5","7","1","2","5","1","1") = "6"
    & skf21("3","5","7","1","2","5","2","1") = "6"
    & skf21("3","5","7","1","2","5","3","1") = "6"
    & skf21("3","5","7","1","2","5","4","1") = "6"
    & skf21("3","5","7","1","2","5","5","1") = "6"
    & skf21("3","5","7","1","2","5","6","1") = "6"
    & skf21("3","5","7","1","2","5","7","1") = "6"
    & skf21("3","5","7","1","2","6","1","1") = "6"
    & skf21("3","5","7","1","2","6","2","1") = "6"
    & skf21("3","5","7","1","2","6","3","1") = "6"
    & skf21("3","5","7","1","2","6","4","1") = "6"
    & skf21("3","5","7","1","2","6","5","1") = "6"
    & skf21("3","5","7","1","2","6","6","1") = "6"
    & skf21("3","5","7","1","2","6","7","1") = "6"
    & skf21("3","5","7","1","2","7","1","1") = "6"
    & skf21("3","5","7","1","2","7","2","1") = "6"
    & skf21("3","5","7","1","2","7","3","1") = "6"
    & skf21("3","5","7","1","2","7","4","1") = "6"
    & skf21("3","5","7","1","2","7","5","1") = "6"
    & skf21("3","5","7","1","2","7","6","1") = "6"
    & skf21("3","5","7","1","2","7","7","1") = "6"
    & skf21("3","5","7","1","3","1","1","1") = "6"
    & skf21("3","5","7","1","3","1","2","1") = "6"
    & skf21("3","5","7","1","3","1","3","1") = "6"
    & skf21("3","5","7","1","3","1","4","1") = "6"
    & skf21("3","5","7","1","3","1","5","1") = "6"
    & skf21("3","5","7","1","3","1","6","1") = "6"
    & skf21("3","5","7","1","3","1","7","1") = "6"
    & skf21("3","5","7","1","3","2","1","1") = "6"
    & skf21("3","5","7","1","3","2","2","1") = "6"
    & skf21("3","5","7","1","3","2","3","1") = "6"
    & skf21("3","5","7","1","3","2","4","1") = "6"
    & skf21("3","5","7","1","3","2","5","1") = "6"
    & skf21("3","5","7","1","3","2","6","1") = "6"
    & skf21("3","5","7","1","3","2","7","1") = "6"
    & skf21("3","5","7","1","3","3","1","1") = "6"
    & skf21("3","5","7","1","3","3","2","1") = "6"
    & skf21("3","5","7","1","3","3","3","1") = "6"
    & skf21("3","5","7","1","3","3","4","1") = "6"
    & skf21("3","5","7","1","3","3","5","1") = "6"
    & skf21("3","5","7","1","3","3","6","1") = "6"
    & skf21("3","5","7","1","3","3","7","1") = "6"
    & skf21("3","5","7","1","3","4","1","1") = "6"
    & skf21("3","5","7","1","3","4","2","1") = "6"
    & skf21("3","5","7","1","3","4","3","1") = "6"
    & skf21("3","5","7","1","3","4","4","1") = "6"
    & skf21("3","5","7","1","3","4","5","1") = "6"
    & skf21("3","5","7","1","3","4","6","1") = "6"
    & skf21("3","5","7","1","3","4","7","1") = "6"
    & skf21("3","5","7","1","3","5","1","1") = "6"
    & skf21("3","5","7","1","3","5","2","1") = "6"
    & skf21("3","5","7","1","3","5","3","1") = "6"
    & skf21("3","5","7","1","3","5","4","1") = "6"
    & skf21("3","5","7","1","3","5","5","1") = "6"
    & skf21("3","5","7","1","3","5","6","1") = "6"
    & skf21("3","5","7","1","3","5","7","1") = "6"
    & skf21("3","5","7","1","3","6","1","1") = "6"
    & skf21("3","5","7","1","3","6","2","1") = "6"
    & skf21("3","5","7","1","3","6","3","1") = "6"
    & skf21("3","5","7","1","3","6","4","1") = "6"
    & skf21("3","5","7","1","3","6","5","1") = "6"
    & skf21("3","5","7","1","3","6","6","1") = "6"
    & skf21("3","5","7","1","3","6","7","1") = "6"
    & skf21("3","5","7","1","3","7","1","1") = "6"
    & skf21("3","5","7","1","3","7","2","1") = "6"
    & skf21("3","5","7","1","3","7","3","1") = "6"
    & skf21("3","5","7","1","3","7","4","1") = "6"
    & skf21("3","5","7","1","3","7","5","1") = "6"
    & skf21("3","5","7","1","3","7","6","1") = "6"
    & skf21("3","5","7","1","3","7","7","1") = "6"
    & skf21("3","5","7","1","4","1","1","1") = "6"
    & skf21("3","5","7","1","4","1","2","1") = "6"
    & skf21("3","5","7","1","4","1","3","1") = "6"
    & skf21("3","5","7","1","4","1","4","1") = "6"
    & skf21("3","5","7","1","4","1","5","1") = "6"
    & skf21("3","5","7","1","4","1","6","1") = "6"
    & skf21("3","5","7","1","4","1","7","1") = "6"
    & skf21("3","5","7","1","4","2","1","1") = "6"
    & skf21("3","5","7","1","4","2","2","1") = "6"
    & skf21("3","5","7","1","4","2","3","1") = "6"
    & skf21("3","5","7","1","4","2","4","1") = "6"
    & skf21("3","5","7","1","4","2","5","1") = "6"
    & skf21("3","5","7","1","4","2","6","1") = "6"
    & skf21("3","5","7","1","4","2","7","1") = "6"
    & skf21("3","5","7","1","4","3","1","1") = "6"
    & skf21("3","5","7","1","4","3","2","1") = "6"
    & skf21("3","5","7","1","4","3","3","1") = "6"
    & skf21("3","5","7","1","4","3","4","1") = "6"
    & skf21("3","5","7","1","4","3","5","1") = "6"
    & skf21("3","5","7","1","4","3","6","1") = "6"
    & skf21("3","5","7","1","4","3","7","1") = "6"
    & skf21("3","5","7","1","4","4","1","1") = "6"
    & skf21("3","5","7","1","4","4","2","1") = "6"
    & skf21("3","5","7","1","4","4","3","1") = "6"
    & skf21("3","5","7","1","4","4","4","1") = "6"
    & skf21("3","5","7","1","4","4","5","1") = "6"
    & skf21("3","5","7","1","4","4","6","1") = "6"
    & skf21("3","5","7","1","4","4","7","1") = "6"
    & skf21("3","5","7","1","4","5","1","1") = "6"
    & skf21("3","5","7","1","4","5","2","1") = "6"
    & skf21("3","5","7","1","4","5","3","1") = "6"
    & skf21("3","5","7","1","4","5","4","1") = "6"
    & skf21("3","5","7","1","4","5","5","1") = "6"
    & skf21("3","5","7","1","4","5","6","1") = "6"
    & skf21("3","5","7","1","4","5","7","1") = "6"
    & skf21("3","5","7","1","4","6","1","1") = "6"
    & skf21("3","5","7","1","4","6","2","1") = "6"
    & skf21("3","5","7","1","4","6","3","1") = "6"
    & skf21("3","5","7","1","4","6","4","1") = "6"
    & skf21("3","5","7","1","4","6","5","1") = "6"
    & skf21("3","5","7","1","4","6","6","1") = "6"
    & skf21("3","5","7","1","4","6","7","1") = "6"
    & skf21("3","5","7","1","4","7","1","1") = "6"
    & skf21("3","5","7","1","4","7","2","1") = "6"
    & skf21("3","5","7","1","4","7","3","1") = "6"
    & skf21("3","5","7","1","4","7","4","1") = "6"
    & skf21("3","5","7","1","4","7","5","1") = "6"
    & skf21("3","5","7","1","4","7","6","1") = "6"
    & skf21("3","5","7","1","4","7","7","1") = "6"
    & skf21("3","5","7","1","5","1","1","1") = "6"
    & skf21("3","5","7","1","5","1","2","1") = "6"
    & skf21("3","5","7","1","5","1","3","1") = "6"
    & skf21("3","5","7","1","5","1","4","1") = "6"
    & skf21("3","5","7","1","5","1","5","1") = "6"
    & skf21("3","5","7","1","5","1","6","1") = "6"
    & skf21("3","5","7","1","5","1","7","1") = "6"
    & skf21("3","5","7","1","5","2","1","1") = "6"
    & skf21("3","5","7","1","5","2","2","1") = "6"
    & skf21("3","5","7","1","5","2","3","1") = "6"
    & skf21("3","5","7","1","5","2","4","1") = "6"
    & skf21("3","5","7","1","5","2","5","1") = "6"
    & skf21("3","5","7","1","5","2","6","1") = "6"
    & skf21("3","5","7","1","5","2","7","1") = "6"
    & skf21("3","5","7","1","5","3","1","1") = "6"
    & skf21("3","5","7","1","5","3","2","1") = "6"
    & skf21("3","5","7","1","5","3","3","1") = "6"
    & skf21("3","5","7","1","5","3","4","1") = "6"
    & skf21("3","5","7","1","5","3","5","1") = "6"
    & skf21("3","5","7","1","5","3","6","1") = "6"
    & skf21("3","5","7","1","5","3","7","1") = "6"
    & skf21("3","5","7","1","5","4","1","1") = "6"
    & skf21("3","5","7","1","5","4","2","1") = "6"
    & skf21("3","5","7","1","5","4","3","1") = "6"
    & skf21("3","5","7","1","5","4","4","1") = "6"
    & skf21("3","5","7","1","5","4","5","1") = "6"
    & skf21("3","5","7","1","5","4","6","1") = "6"
    & skf21("3","5","7","1","5","4","7","1") = "6"
    & skf21("3","5","7","1","5","5","1","1") = "6"
    & skf21("3","5","7","1","5","5","2","1") = "6"
    & skf21("3","5","7","1","5","5","3","1") = "6"
    & skf21("3","5","7","1","5","5","4","1") = "6"
    & skf21("3","5","7","1","5","5","5","1") = "6"
    & skf21("3","5","7","1","5","5","6","1") = "6"
    & skf21("3","5","7","1","5","5","7","1") = "6"
    & skf21("3","5","7","1","5","6","1","1") = "6"
    & skf21("3","5","7","1","5","6","2","1") = "6"
    & skf21("3","5","7","1","5","6","3","1") = "6"
    & skf21("3","5","7","1","5","6","4","1") = "6"
    & skf21("3","5","7","1","5","6","5","1") = "6"
    & skf21("3","5","7","1","5","6","6","1") = "6"
    & skf21("3","5","7","1","5","6","7","1") = "6"
    & skf21("3","5","7","1","5","7","1","1") = "6"
    & skf21("3","5","7","1","5","7","2","1") = "6"
    & skf21("3","5","7","1","5","7","3","1") = "6"
    & skf21("3","5","7","1","5","7","4","1") = "6"
    & skf21("3","5","7","1","5","7","5","1") = "6"
    & skf21("3","5","7","1","5","7","6","1") = "6"
    & skf21("3","5","7","1","5","7","7","1") = "6"
    & skf21("3","5","7","1","6","1","1","1") = "6"
    & skf21("3","5","7","1","6","1","2","1") = "6"
    & skf21("3","5","7","1","6","1","3","1") = "6"
    & skf21("3","5","7","1","6","1","4","1") = "6"
    & skf21("3","5","7","1","6","1","5","1") = "6"
    & skf21("3","5","7","1","6","1","6","1") = "6"
    & skf21("3","5","7","1","6","1","7","1") = "6"
    & skf21("3","5","7","1","6","2","1","1") = "6"
    & skf21("3","5","7","1","6","2","2","1") = "6"
    & skf21("3","5","7","1","6","2","3","1") = "6"
    & skf21("3","5","7","1","6","2","4","1") = "6"
    & skf21("3","5","7","1","6","2","5","1") = "6"
    & skf21("3","5","7","1","6","2","6","1") = "6"
    & skf21("3","5","7","1","6","2","7","1") = "6"
    & skf21("3","5","7","1","6","3","1","1") = "6"
    & skf21("3","5","7","1","6","3","2","1") = "6"
    & skf21("3","5","7","1","6","3","3","1") = "6"
    & skf21("3","5","7","1","6","3","4","1") = "6"
    & skf21("3","5","7","1","6","3","5","1") = "6"
    & skf21("3","5","7","1","6","3","6","1") = "6"
    & skf21("3","5","7","1","6","3","7","1") = "6"
    & skf21("3","5","7","1","6","4","1","1") = "6"
    & skf21("3","5","7","1","6","4","2","1") = "6"
    & skf21("3","5","7","1","6","4","3","1") = "6"
    & skf21("3","5","7","1","6","4","4","1") = "6"
    & skf21("3","5","7","1","6","4","5","1") = "6"
    & skf21("3","5","7","1","6","4","6","1") = "6"
    & skf21("3","5","7","1","6","4","7","1") = "6"
    & skf21("3","5","7","1","6","5","1","1") = "6"
    & skf21("3","5","7","1","6","5","2","1") = "6"
    & skf21("3","5","7","1","6","5","3","1") = "6"
    & skf21("3","5","7","1","6","5","4","1") = "6"
    & skf21("3","5","7","1","6","5","5","1") = "6"
    & skf21("3","5","7","1","6","5","6","1") = "6"
    & skf21("3","5","7","1","6","5","7","1") = "6"
    & skf21("3","5","7","1","6","6","1","1") = "6"
    & skf21("3","5","7","1","6","6","2","1") = "6"
    & skf21("3","5","7","1","6","6","3","1") = "6"
    & skf21("3","5","7","1","6","6","4","1") = "6"
    & skf21("3","5","7","1","6","6","5","1") = "6"
    & skf21("3","5","7","1","6","6","6","1") = "6"
    & skf21("3","5","7","1","6","6","7","1") = "6"
    & skf21("3","5","7","1","6","7","1","1") = "6"
    & skf21("3","5","7","1","6","7","2","1") = "6"
    & skf21("3","5","7","1","6","7","3","1") = "6"
    & skf21("3","5","7","1","6","7","4","1") = "6"
    & skf21("3","5","7","1","6","7","5","1") = "6"
    & skf21("3","5","7","1","6","7","6","1") = "6"
    & skf21("3","5","7","1","6","7","7","1") = "6"
    & skf21("3","5","7","1","7","1","1","1") = "6"
    & skf21("3","5","7","1","7","1","2","1") = "6"
    & skf21("3","5","7","1","7","1","3","1") = "6"
    & skf21("3","5","7","1","7","1","4","1") = "6"
    & skf21("3","5","7","1","7","1","5","1") = "6"
    & skf21("3","5","7","1","7","1","6","1") = "6"
    & skf21("3","5","7","1","7","1","7","1") = "6"
    & skf21("3","5","7","1","7","2","1","1") = "6"
    & skf21("3","5","7","1","7","2","2","1") = "6"
    & skf21("3","5","7","1","7","2","3","1") = "6"
    & skf21("3","5","7","1","7","2","4","1") = "6"
    & skf21("3","5","7","1","7","2","5","1") = "6"
    & skf21("3","5","7","1","7","2","6","1") = "6"
    & skf21("3","5","7","1","7","2","7","1") = "6"
    & skf21("3","5","7","1","7","3","1","1") = "6"
    & skf21("3","5","7","1","7","3","2","1") = "6"
    & skf21("3","5","7","1","7","3","3","1") = "6"
    & skf21("3","5","7","1","7","3","4","1") = "6"
    & skf21("3","5","7","1","7","3","5","1") = "6"
    & skf21("3","5","7","1","7","3","6","1") = "6"
    & skf21("3","5","7","1","7","3","7","1") = "6"
    & skf21("3","5","7","1","7","4","1","1") = "6"
    & skf21("3","5","7","1","7","4","2","1") = "6"
    & skf21("3","5","7","1","7","4","3","1") = "6"
    & skf21("3","5","7","1","7","4","4","1") = "6"
    & skf21("3","5","7","1","7","4","5","1") = "6"
    & skf21("3","5","7","1","7","4","6","1") = "6"
    & skf21("3","5","7","1","7","4","7","1") = "6"
    & skf21("3","5","7","1","7","5","1","1") = "6"
    & skf21("3","5","7","1","7","5","2","1") = "6"
    & skf21("3","5","7","1","7","5","3","1") = "6"
    & skf21("3","5","7","1","7","5","4","1") = "6"
    & skf21("3","5","7","1","7","5","5","1") = "6"
    & skf21("3","5","7","1","7","5","6","1") = "6"
    & skf21("3","5","7","1","7","5","7","1") = "6"
    & skf21("3","5","7","1","7","6","1","1") = "6"
    & skf21("3","5","7","1","7","6","2","1") = "6"
    & skf21("3","5","7","1","7","6","3","1") = "6"
    & skf21("3","5","7","1","7","6","4","1") = "6"
    & skf21("3","5","7","1","7","6","5","1") = "6"
    & skf21("3","5","7","1","7","6","6","1") = "6"
    & skf21("3","5","7","1","7","6","7","1") = "6"
    & skf21("3","5","7","1","7","7","1","1") = "6"
    & skf21("3","5","7","1","7","7","2","1") = "6"
    & skf21("3","5","7","1","7","7","3","1") = "6"
    & skf21("3","5","7","1","7","7","4","1") = "6"
    & skf21("3","5","7","1","7","7","5","1") = "6"
    & skf21("3","5","7","1","7","7","6","1") = "6"
    & skf21("3","5","7","1","7","7","7","1") = "6"
    & skf21("3","5","7","2","1","1","1","1") = "6"
    & skf21("3","5","7","2","1","1","2","1") = "6"
    & skf21("3","5","7","2","1","1","3","1") = "6"
    & skf21("3","5","7","2","1","1","4","1") = "6"
    & skf21("3","5","7","2","1","1","5","1") = "6"
    & skf21("3","5","7","2","1","1","6","1") = "6"
    & skf21("3","5","7","2","1","1","7","1") = "6"
    & skf21("3","5","7","2","1","2","1","1") = "6"
    & skf21("3","5","7","2","1","2","2","1") = "6"
    & skf21("3","5","7","2","1","2","3","1") = "6"
    & skf21("3","5","7","2","1","2","4","1") = "6"
    & skf21("3","5","7","2","1","2","5","1") = "6"
    & skf21("3","5","7","2","1","2","6","1") = "6"
    & skf21("3","5","7","2","1","2","7","1") = "6"
    & skf21("3","5","7","2","1","3","1","1") = "6"
    & skf21("3","5","7","2","1","3","2","1") = "6"
    & skf21("3","5","7","2","1","3","3","1") = "6"
    & skf21("3","5","7","2","1","3","4","1") = "6"
    & skf21("3","5","7","2","1","3","5","1") = "6"
    & skf21("3","5","7","2","1","3","6","1") = "6"
    & skf21("3","5","7","2","1","3","7","1") = "6"
    & skf21("3","5","7","2","1","4","1","1") = "6"
    & skf21("3","5","7","2","1","4","2","1") = "6"
    & skf21("3","5","7","2","1","4","3","1") = "6"
    & skf21("3","5","7","2","1","4","4","1") = "6"
    & skf21("3","5","7","2","1","4","5","1") = "6"
    & skf21("3","5","7","2","1","4","6","1") = "6"
    & skf21("3","5","7","2","1","4","7","1") = "6"
    & skf21("3","5","7","2","1","5","1","1") = "6"
    & skf21("3","5","7","2","1","5","2","1") = "6"
    & skf21("3","5","7","2","1","5","3","1") = "6"
    & skf21("3","5","7","2","1","5","4","1") = "6"
    & skf21("3","5","7","2","1","5","5","1") = "6"
    & skf21("3","5","7","2","1","5","6","1") = "6"
    & skf21("3","5","7","2","1","5","7","1") = "6"
    & skf21("3","5","7","2","1","6","1","1") = "6"
    & skf21("3","5","7","2","1","6","2","1") = "6"
    & skf21("3","5","7","2","1","6","3","1") = "6"
    & skf21("3","5","7","2","1","6","4","1") = "6"
    & skf21("3","5","7","2","1","6","5","1") = "6"
    & skf21("3","5","7","2","1","6","6","1") = "6"
    & skf21("3","5","7","2","1","6","7","1") = "6"
    & skf21("3","5","7","2","1","7","1","1") = "6"
    & skf21("3","5","7","2","1","7","2","1") = "6"
    & skf21("3","5","7","2","1","7","3","1") = "6"
    & skf21("3","5","7","2","1","7","4","1") = "6"
    & skf21("3","5","7","2","1","7","5","1") = "6"
    & skf21("3","5","7","2","1","7","6","1") = "6"
    & skf21("3","5","7","2","1","7","7","1") = "6"
    & skf21("3","5","7","2","2","1","1","1") = "6"
    & skf21("3","5","7","2","2","1","2","1") = "6"
    & skf21("3","5","7","2","2","1","3","1") = "6"
    & skf21("3","5","7","2","2","1","4","1") = "6"
    & skf21("3","5","7","2","2","1","5","1") = "6"
    & skf21("3","5","7","2","2","1","6","1") = "6"
    & skf21("3","5","7","2","2","1","7","1") = "6"
    & skf21("3","5","7","2","2","2","1","1") = "6"
    & skf21("3","5","7","2","2","2","2","1") = "6"
    & skf21("3","5","7","2","2","2","3","1") = "6"
    & skf21("3","5","7","2","2","2","4","1") = "6"
    & skf21("3","5","7","2","2","2","5","1") = "6"
    & skf21("3","5","7","2","2","2","6","1") = "6"
    & skf21("3","5","7","2","2","2","7","1") = "6"
    & skf21("3","5","7","2","2","3","1","1") = "6"
    & skf21("3","5","7","2","2","3","2","1") = "6"
    & skf21("3","5","7","2","2","3","3","1") = "6"
    & skf21("3","5","7","2","2","3","4","1") = "6"
    & skf21("3","5","7","2","2","3","5","1") = "6"
    & skf21("3","5","7","2","2","3","6","1") = "6"
    & skf21("3","5","7","2","2","3","7","1") = "6"
    & skf21("3","5","7","2","2","4","1","1") = "6"
    & skf21("3","5","7","2","2","4","2","1") = "6"
    & skf21("3","5","7","2","2","4","3","1") = "6"
    & skf21("3","5","7","2","2","4","4","1") = "6"
    & skf21("3","5","7","2","2","4","5","1") = "6"
    & skf21("3","5","7","2","2","4","6","1") = "6"
    & skf21("3","5","7","2","2","4","7","1") = "6"
    & skf21("3","5","7","2","2","5","1","1") = "6"
    & skf21("3","5","7","2","2","5","2","1") = "6"
    & skf21("3","5","7","2","2","5","3","1") = "6"
    & skf21("3","5","7","2","2","5","4","1") = "6"
    & skf21("3","5","7","2","2","5","5","1") = "6"
    & skf21("3","5","7","2","2","5","6","1") = "6"
    & skf21("3","5","7","2","2","5","7","1") = "6"
    & skf21("3","5","7","2","2","6","1","1") = "6"
    & skf21("3","5","7","2","2","6","2","1") = "6"
    & skf21("3","5","7","2","2","6","3","1") = "6"
    & skf21("3","5","7","2","2","6","4","1") = "6"
    & skf21("3","5","7","2","2","6","5","1") = "6"
    & skf21("3","5","7","2","2","6","6","1") = "6"
    & skf21("3","5","7","2","2","6","7","1") = "6"
    & skf21("3","5","7","2","2","7","1","1") = "6"
    & skf21("3","5","7","2","2","7","2","1") = "6"
    & skf21("3","5","7","2","2","7","3","1") = "6"
    & skf21("3","5","7","2","2","7","4","1") = "6"
    & skf21("3","5","7","2","2","7","5","1") = "6"
    & skf21("3","5","7","2","2","7","6","1") = "6"
    & skf21("3","5","7","2","2","7","7","1") = "6"
    & skf21("3","5","7","2","3","1","1","1") = "6"
    & skf21("3","5","7","2","3","1","2","1") = "6"
    & skf21("3","5","7","2","3","1","3","1") = "6"
    & skf21("3","5","7","2","3","1","4","1") = "6"
    & skf21("3","5","7","2","3","1","5","1") = "6"
    & skf21("3","5","7","2","3","1","6","1") = "6"
    & skf21("3","5","7","2","3","1","7","1") = "6"
    & skf21("3","5","7","2","3","2","1","1") = "6"
    & skf21("3","5","7","2","3","2","2","1") = "6"
    & skf21("3","5","7","2","3","2","3","1") = "6"
    & skf21("3","5","7","2","3","2","4","1") = "6"
    & skf21("3","5","7","2","3","2","5","1") = "6"
    & skf21("3","5","7","2","3","2","6","1") = "6"
    & skf21("3","5","7","2","3","2","7","1") = "6"
    & skf21("3","5","7","2","3","3","1","1") = "6"
    & skf21("3","5","7","2","3","3","2","1") = "6"
    & skf21("3","5","7","2","3","3","3","1") = "6"
    & skf21("3","5","7","2","3","3","4","1") = "6"
    & skf21("3","5","7","2","3","3","5","1") = "6"
    & skf21("3","5","7","2","3","3","6","1") = "6"
    & skf21("3","5","7","2","3","3","7","1") = "6"
    & skf21("3","5","7","2","3","4","1","1") = "6"
    & skf21("3","5","7","2","3","4","2","1") = "6"
    & skf21("3","5","7","2","3","4","3","1") = "6"
    & skf21("3","5","7","2","3","4","4","1") = "6"
    & skf21("3","5","7","2","3","4","5","1") = "6"
    & skf21("3","5","7","2","3","4","6","1") = "6"
    & skf21("3","5","7","2","3","4","7","1") = "6"
    & skf21("3","5","7","2","3","5","1","1") = "6"
    & skf21("3","5","7","2","3","5","2","1") = "6"
    & skf21("3","5","7","2","3","5","3","1") = "6"
    & skf21("3","5","7","2","3","5","4","1") = "6"
    & skf21("3","5","7","2","3","5","5","1") = "6"
    & skf21("3","5","7","2","3","5","6","1") = "6"
    & skf21("3","5","7","2","3","5","7","1") = "6"
    & skf21("3","5","7","2","3","6","1","1") = "6"
    & skf21("3","5","7","2","3","6","2","1") = "6"
    & skf21("3","5","7","2","3","6","3","1") = "6"
    & skf21("3","5","7","2","3","6","4","1") = "6"
    & skf21("3","5","7","2","3","6","5","1") = "6"
    & skf21("3","5","7","2","3","6","6","1") = "6"
    & skf21("3","5","7","2","3","6","7","1") = "6"
    & skf21("3","5","7","2","3","7","1","1") = "6"
    & skf21("3","5","7","2","3","7","2","1") = "6"
    & skf21("3","5","7","2","3","7","3","1") = "6"
    & skf21("3","5","7","2","3","7","4","1") = "6"
    & skf21("3","5","7","2","3","7","5","1") = "6"
    & skf21("3","5","7","2","3","7","6","1") = "6"
    & skf21("3","5","7","2","3","7","7","1") = "6"
    & skf21("3","5","7","2","4","1","1","1") = "6"
    & skf21("3","5","7","2","4","1","2","1") = "6"
    & skf21("3","5","7","2","4","1","3","1") = "6"
    & skf21("3","5","7","2","4","1","4","1") = "6"
    & skf21("3","5","7","2","4","1","5","1") = "6"
    & skf21("3","5","7","2","4","1","6","1") = "6"
    & skf21("3","5","7","2","4","1","7","1") = "6"
    & skf21("3","5","7","2","4","2","1","1") = "6"
    & skf21("3","5","7","2","4","2","2","1") = "6"
    & skf21("3","5","7","2","4","2","3","1") = "6"
    & skf21("3","5","7","2","4","2","4","1") = "6"
    & skf21("3","5","7","2","4","2","5","1") = "6"
    & skf21("3","5","7","2","4","2","6","1") = "6"
    & skf21("3","5","7","2","4","2","7","1") = "6"
    & skf21("3","5","7","2","4","3","1","1") = "6"
    & skf21("3","5","7","2","4","3","2","1") = "6"
    & skf21("3","5","7","2","4","3","3","1") = "6"
    & skf21("3","5","7","2","4","3","4","1") = "6"
    & skf21("3","5","7","2","4","3","5","1") = "6"
    & skf21("3","5","7","2","4","3","6","1") = "6"
    & skf21("3","5","7","2","4","3","7","1") = "6"
    & skf21("3","5","7","2","4","4","1","1") = "6"
    & skf21("3","5","7","2","4","4","2","1") = "6"
    & skf21("3","5","7","2","4","4","3","1") = "6"
    & skf21("3","5","7","2","4","4","4","1") = "6"
    & skf21("3","5","7","2","4","4","5","1") = "6"
    & skf21("3","5","7","2","4","4","6","1") = "6"
    & skf21("3","5","7","2","4","4","7","1") = "6"
    & skf21("3","5","7","2","4","5","1","1") = "6"
    & skf21("3","5","7","2","4","5","2","1") = "6"
    & skf21("3","5","7","2","4","5","3","1") = "6"
    & skf21("3","5","7","2","4","5","4","1") = "6"
    & skf21("3","5","7","2","4","5","5","1") = "6"
    & skf21("3","5","7","2","4","5","6","1") = "6"
    & skf21("3","5","7","2","4","5","7","1") = "6"
    & skf21("3","5","7","2","4","6","1","1") = "6"
    & skf21("3","5","7","2","4","6","2","1") = "6"
    & skf21("3","5","7","2","4","6","3","1") = "6"
    & skf21("3","5","7","2","4","6","4","1") = "6"
    & skf21("3","5","7","2","4","6","5","1") = "6"
    & skf21("3","5","7","2","4","6","6","1") = "6"
    & skf21("3","5","7","2","4","6","7","1") = "6"
    & skf21("3","5","7","2","4","7","1","1") = "6"
    & skf21("3","5","7","2","4","7","2","1") = "6"
    & skf21("3","5","7","2","4","7","3","1") = "6"
    & skf21("3","5","7","2","4","7","4","1") = "6"
    & skf21("3","5","7","2","4","7","5","1") = "6"
    & skf21("3","5","7","2","4","7","6","1") = "6"
    & skf21("3","5","7","2","4","7","7","1") = "6"
    & skf21("3","5","7","2","5","1","1","1") = "6"
    & skf21("3","5","7","2","5","1","2","1") = "6"
    & skf21("3","5","7","2","5","1","3","1") = "6"
    & skf21("3","5","7","2","5","1","4","1") = "6"
    & skf21("3","5","7","2","5","1","5","1") = "6"
    & skf21("3","5","7","2","5","1","6","1") = "6"
    & skf21("3","5","7","2","5","1","7","1") = "6"
    & skf21("3","5","7","2","5","2","1","1") = "6"
    & skf21("3","5","7","2","5","2","2","1") = "6"
    & skf21("3","5","7","2","5","2","3","1") = "6"
    & skf21("3","5","7","2","5","2","4","1") = "6"
    & skf21("3","5","7","2","5","2","5","1") = "6"
    & skf21("3","5","7","2","5","2","6","1") = "6"
    & skf21("3","5","7","2","5","2","7","1") = "6"
    & skf21("3","5","7","2","5","3","1","1") = "6"
    & skf21("3","5","7","2","5","3","2","1") = "6"
    & skf21("3","5","7","2","5","3","3","1") = "6"
    & skf21("3","5","7","2","5","3","4","1") = "6"
    & skf21("3","5","7","2","5","3","5","1") = "6"
    & skf21("3","5","7","2","5","3","6","1") = "6"
    & skf21("3","5","7","2","5","3","7","1") = "6"
    & skf21("3","5","7","2","5","4","1","1") = "6"
    & skf21("3","5","7","2","5","4","2","1") = "6"
    & skf21("3","5","7","2","5","4","3","1") = "6"
    & skf21("3","5","7","2","5","4","4","1") = "6"
    & skf21("3","5","7","2","5","4","5","1") = "6"
    & skf21("3","5","7","2","5","4","6","1") = "6"
    & skf21("3","5","7","2","5","4","7","1") = "6"
    & skf21("3","5","7","2","5","5","1","1") = "6"
    & skf21("3","5","7","2","5","5","2","1") = "6"
    & skf21("3","5","7","2","5","5","3","1") = "6"
    & skf21("3","5","7","2","5","5","4","1") = "6"
    & skf21("3","5","7","2","5","5","5","1") = "6"
    & skf21("3","5","7","2","5","5","6","1") = "6"
    & skf21("3","5","7","2","5","5","7","1") = "6"
    & skf21("3","5","7","2","5","6","1","1") = "6"
    & skf21("3","5","7","2","5","6","2","1") = "6"
    & skf21("3","5","7","2","5","6","3","1") = "6"
    & skf21("3","5","7","2","5","6","4","1") = "6"
    & skf21("3","5","7","2","5","6","5","1") = "6"
    & skf21("3","5","7","2","5","6","6","1") = "6"
    & skf21("3","5","7","2","5","6","7","1") = "6"
    & skf21("3","5","7","2","5","7","1","1") = "6"
    & skf21("3","5","7","2","5","7","2","1") = "6"
    & skf21("3","5","7","2","5","7","3","1") = "6"
    & skf21("3","5","7","2","5","7","4","1") = "6"
    & skf21("3","5","7","2","5","7","5","1") = "6"
    & skf21("3","5","7","2","5","7","6","1") = "6"
    & skf21("3","5","7","2","5","7","7","1") = "6"
    & skf21("3","5","7","2","6","1","1","1") = "6"
    & skf21("3","5","7","2","6","1","2","1") = "6"
    & skf21("3","5","7","2","6","1","3","1") = "6"
    & skf21("3","5","7","2","6","1","4","1") = "6"
    & skf21("3","5","7","2","6","1","5","1") = "6"
    & skf21("3","5","7","2","6","1","6","1") = "6"
    & skf21("3","5","7","2","6","1","7","1") = "6"
    & skf21("3","5","7","2","6","2","1","1") = "6"
    & skf21("3","5","7","2","6","2","2","1") = "6"
    & skf21("3","5","7","2","6","2","3","1") = "6"
    & skf21("3","5","7","2","6","2","4","1") = "6"
    & skf21("3","5","7","2","6","2","5","1") = "6"
    & skf21("3","5","7","2","6","2","6","1") = "6"
    & skf21("3","5","7","2","6","2","7","1") = "6"
    & skf21("3","5","7","2","6","3","1","1") = "6"
    & skf21("3","5","7","2","6","3","2","1") = "6"
    & skf21("3","5","7","2","6","3","3","1") = "6"
    & skf21("3","5","7","2","6","3","4","1") = "6"
    & skf21("3","5","7","2","6","3","5","1") = "6"
    & skf21("3","5","7","2","6","3","6","1") = "6"
    & skf21("3","5","7","2","6","3","7","1") = "6"
    & skf21("3","5","7","2","6","4","1","1") = "6"
    & skf21("3","5","7","2","6","4","2","1") = "6"
    & skf21("3","5","7","2","6","4","3","1") = "6"
    & skf21("3","5","7","2","6","4","4","1") = "6"
    & skf21("3","5","7","2","6","4","5","1") = "6"
    & skf21("3","5","7","2","6","4","6","1") = "6"
    & skf21("3","5","7","2","6","4","7","1") = "6"
    & skf21("3","5","7","2","6","5","1","1") = "6"
    & skf21("3","5","7","2","6","5","2","1") = "6"
    & skf21("3","5","7","2","6","5","3","1") = "6"
    & skf21("3","5","7","2","6","5","4","1") = "6"
    & skf21("3","5","7","2","6","5","5","1") = "6"
    & skf21("3","5","7","2","6","5","6","1") = "6"
    & skf21("3","5","7","2","6","5","7","1") = "6"
    & skf21("3","5","7","2","6","6","1","1") = "6"
    & skf21("3","5","7","2","6","6","2","1") = "6"
    & skf21("3","5","7","2","6","6","3","1") = "6"
    & skf21("3","5","7","2","6","6","4","1") = "6"
    & skf21("3","5","7","2","6","6","5","1") = "6"
    & skf21("3","5","7","2","6","6","6","1") = "6"
    & skf21("3","5","7","2","6","6","7","1") = "6"
    & skf21("3","5","7","2","6","7","1","1") = "6"
    & skf21("3","5","7","2","6","7","2","1") = "6"
    & skf21("3","5","7","2","6","7","3","1") = "6"
    & skf21("3","5","7","2","6","7","4","1") = "6"
    & skf21("3","5","7","2","6","7","5","1") = "6"
    & skf21("3","5","7","2","6","7","6","1") = "6"
    & skf21("3","5","7","2","6","7","7","1") = "6"
    & skf21("3","5","7","2","7","1","1","1") = "6"
    & skf21("3","5","7","2","7","1","2","1") = "6"
    & skf21("3","5","7","2","7","1","3","1") = "6"
    & skf21("3","5","7","2","7","1","4","1") = "6"
    & skf21("3","5","7","2","7","1","5","1") = "6"
    & skf21("3","5","7","2","7","1","6","1") = "6"
    & skf21("3","5","7","2","7","1","7","1") = "6"
    & skf21("3","5","7","2","7","2","1","1") = "6"
    & skf21("3","5","7","2","7","2","2","1") = "6"
    & skf21("3","5","7","2","7","2","3","1") = "6"
    & skf21("3","5","7","2","7","2","4","1") = "6"
    & skf21("3","5","7","2","7","2","5","1") = "6"
    & skf21("3","5","7","2","7","2","6","1") = "6"
    & skf21("3","5","7","2","7","2","7","1") = "6"
    & skf21("3","5","7","2","7","3","1","1") = "6"
    & skf21("3","5","7","2","7","3","2","1") = "6"
    & skf21("3","5","7","2","7","3","3","1") = "6"
    & skf21("3","5","7","2","7","3","4","1") = "6"
    & skf21("3","5","7","2","7","3","5","1") = "6"
    & skf21("3","5","7","2","7","3","6","1") = "6"
    & skf21("3","5","7","2","7","3","7","1") = "6"
    & skf21("3","5","7","2","7","4","1","1") = "6"
    & skf21("3","5","7","2","7","4","2","1") = "6"
    & skf21("3","5","7","2","7","4","3","1") = "6"
    & skf21("3","5","7","2","7","4","4","1") = "6"
    & skf21("3","5","7","2","7","4","5","1") = "6"
    & skf21("3","5","7","2","7","4","6","1") = "6"
    & skf21("3","5","7","2","7","4","7","1") = "6"
    & skf21("3","5","7","2","7","5","1","1") = "6"
    & skf21("3","5","7","2","7","5","2","1") = "6"
    & skf21("3","5","7","2","7","5","3","1") = "6"
    & skf21("3","5","7","2","7","5","4","1") = "6"
    & skf21("3","5","7","2","7","5","5","1") = "6"
    & skf21("3","5","7","2","7","5","6","1") = "6"
    & skf21("3","5","7","2","7","5","7","1") = "6"
    & skf21("3","5","7","2","7","6","1","1") = "6"
    & skf21("3","5","7","2","7","6","2","1") = "6"
    & skf21("3","5","7","2","7","6","3","1") = "6"
    & skf21("3","5","7","2","7","6","4","1") = "6"
    & skf21("3","5","7","2","7","6","5","1") = "6"
    & skf21("3","5","7","2","7","6","6","1") = "6"
    & skf21("3","5","7","2","7","6","7","1") = "6"
    & skf21("3","5","7","2","7","7","1","1") = "6"
    & skf21("3","5","7","2","7","7","2","1") = "6"
    & skf21("3","5","7","2","7","7","3","1") = "6"
    & skf21("3","5","7","2","7","7","4","1") = "6"
    & skf21("3","5","7","2","7","7","5","1") = "6"
    & skf21("3","5","7","2","7","7","6","1") = "6"
    & skf21("3","5","7","2","7","7","7","1") = "6"
    & skf21("3","5","7","3","1","1","1","1") = "6"
    & skf21("3","5","7","3","1","1","2","1") = "6"
    & skf21("3","5","7","3","1","1","3","1") = "6"
    & skf21("3","5","7","3","1","1","4","1") = "6"
    & skf21("3","5","7","3","1","1","5","1") = "6"
    & skf21("3","5","7","3","1","1","6","1") = "6"
    & skf21("3","5","7","3","1","1","7","1") = "6"
    & skf21("3","5","7","3","1","2","1","1") = "6"
    & skf21("3","5","7","3","1","2","2","1") = "6"
    & skf21("3","5","7","3","1","2","3","1") = "6"
    & skf21("3","5","7","3","1","2","4","1") = "6"
    & skf21("3","5","7","3","1","2","5","1") = "6"
    & skf21("3","5","7","3","1","2","6","1") = "6"
    & skf21("3","5","7","3","1","2","7","1") = "6"
    & skf21("3","5","7","3","1","3","1","1") = "6"
    & skf21("3","5","7","3","1","3","2","1") = "6"
    & skf21("3","5","7","3","1","3","3","1") = "6"
    & skf21("3","5","7","3","1","3","4","1") = "6"
    & skf21("3","5","7","3","1","3","5","1") = "6"
    & skf21("3","5","7","3","1","3","6","1") = "6"
    & skf21("3","5","7","3","1","3","7","1") = "6"
    & skf21("3","5","7","3","1","4","1","1") = "6"
    & skf21("3","5","7","3","1","4","2","1") = "6"
    & skf21("3","5","7","3","1","4","3","1") = "6"
    & skf21("3","5","7","3","1","4","4","1") = "6"
    & skf21("3","5","7","3","1","4","5","1") = "6"
    & skf21("3","5","7","3","1","4","6","1") = "6"
    & skf21("3","5","7","3","1","4","7","1") = "6"
    & skf21("3","5","7","3","1","5","1","1") = "6"
    & skf21("3","5","7","3","1","5","2","1") = "6"
    & skf21("3","5","7","3","1","5","3","1") = "6"
    & skf21("3","5","7","3","1","5","4","1") = "6"
    & skf21("3","5","7","3","1","5","5","1") = "6"
    & skf21("3","5","7","3","1","5","6","1") = "6"
    & skf21("3","5","7","3","1","5","7","1") = "6"
    & skf21("3","5","7","3","1","6","1","1") = "6"
    & skf21("3","5","7","3","1","6","2","1") = "6"
    & skf21("3","5","7","3","1","6","3","1") = "6"
    & skf21("3","5","7","3","1","6","4","1") = "6"
    & skf21("3","5","7","3","1","6","5","1") = "6"
    & skf21("3","5","7","3","1","6","6","1") = "6"
    & skf21("3","5","7","3","1","6","7","1") = "6"
    & skf21("3","5","7","3","1","7","1","1") = "6"
    & skf21("3","5","7","3","1","7","2","1") = "6"
    & skf21("3","5","7","3","1","7","3","1") = "6"
    & skf21("3","5","7","3","1","7","4","1") = "6"
    & skf21("3","5","7","3","1","7","5","1") = "6"
    & skf21("3","5","7","3","1","7","6","1") = "6"
    & skf21("3","5","7","3","1","7","7","1") = "6"
    & skf21("3","5","7","3","2","1","1","1") = "6"
    & skf21("3","5","7","3","2","1","2","1") = "6"
    & skf21("3","5","7","3","2","1","3","1") = "6"
    & skf21("3","5","7","3","2","1","4","1") = "6"
    & skf21("3","5","7","3","2","1","5","1") = "6"
    & skf21("3","5","7","3","2","1","6","1") = "6"
    & skf21("3","5","7","3","2","1","7","1") = "6"
    & skf21("3","5","7","3","2","2","1","1") = "6"
    & skf21("3","5","7","3","2","2","2","1") = "6"
    & skf21("3","5","7","3","2","2","3","1") = "6"
    & skf21("3","5","7","3","2","2","4","1") = "6"
    & skf21("3","5","7","3","2","2","5","1") = "6"
    & skf21("3","5","7","3","2","2","6","1") = "6"
    & skf21("3","5","7","3","2","2","7","1") = "6"
    & skf21("3","5","7","3","2","3","1","1") = "6"
    & skf21("3","5","7","3","2","3","2","1") = "6"
    & skf21("3","5","7","3","2","3","3","1") = "6"
    & skf21("3","5","7","3","2","3","4","1") = "6"
    & skf21("3","5","7","3","2","3","5","1") = "6"
    & skf21("3","5","7","3","2","3","6","1") = "6"
    & skf21("3","5","7","3","2","3","7","1") = "6"
    & skf21("3","5","7","3","2","4","1","1") = "6"
    & skf21("3","5","7","3","2","4","2","1") = "6"
    & skf21("3","5","7","3","2","4","3","1") = "6"
    & skf21("3","5","7","3","2","4","4","1") = "6"
    & skf21("3","5","7","3","2","4","5","1") = "6"
    & skf21("3","5","7","3","2","4","6","1") = "6"
    & skf21("3","5","7","3","2","4","7","1") = "6"
    & skf21("3","5","7","3","2","5","1","1") = "6"
    & skf21("3","5","7","3","2","5","2","1") = "6"
    & skf21("3","5","7","3","2","5","3","1") = "6"
    & skf21("3","5","7","3","2","5","4","1") = "6"
    & skf21("3","5","7","3","2","5","5","1") = "6"
    & skf21("3","5","7","3","2","5","6","1") = "6"
    & skf21("3","5","7","3","2","5","7","1") = "6"
    & skf21("3","5","7","3","2","6","1","1") = "6"
    & skf21("3","5","7","3","2","6","2","1") = "6"
    & skf21("3","5","7","3","2","6","3","1") = "6"
    & skf21("3","5","7","3","2","6","4","1") = "6"
    & skf21("3","5","7","3","2","6","5","1") = "6"
    & skf21("3","5","7","3","2","6","6","1") = "6"
    & skf21("3","5","7","3","2","6","7","1") = "6"
    & skf21("3","5","7","3","2","7","1","1") = "6"
    & skf21("3","5","7","3","2","7","2","1") = "6"
    & skf21("3","5","7","3","2","7","3","1") = "6"
    & skf21("3","5","7","3","2","7","4","1") = "6"
    & skf21("3","5","7","3","2","7","5","1") = "6"
    & skf21("3","5","7","3","2","7","6","1") = "6"
    & skf21("3","5","7","3","2","7","7","1") = "6"
    & skf21("3","5","7","3","3","1","1","1") = "6"
    & skf21("3","5","7","3","3","1","2","1") = "6"
    & skf21("3","5","7","3","3","1","3","1") = "6"
    & skf21("3","5","7","3","3","1","4","1") = "6"
    & skf21("3","5","7","3","3","1","5","1") = "6"
    & skf21("3","5","7","3","3","1","6","1") = "6"
    & skf21("3","5","7","3","3","1","7","1") = "6"
    & skf21("3","5","7","3","3","2","1","1") = "6"
    & skf21("3","5","7","3","3","2","2","1") = "6"
    & skf21("3","5","7","3","3","2","3","1") = "6"
    & skf21("3","5","7","3","3","2","4","1") = "6"
    & skf21("3","5","7","3","3","2","5","1") = "6"
    & skf21("3","5","7","3","3","2","6","1") = "6"
    & skf21("3","5","7","3","3","2","7","1") = "6"
    & skf21("3","5","7","3","3","3","1","1") = "6"
    & skf21("3","5","7","3","3","3","2","1") = "6"
    & skf21("3","5","7","3","3","3","3","1") = "6"
    & skf21("3","5","7","3","3","3","4","1") = "6"
    & skf21("3","5","7","3","3","3","5","1") = "6"
    & skf21("3","5","7","3","3","3","6","1") = "6"
    & skf21("3","5","7","3","3","3","7","1") = "6"
    & skf21("3","5","7","3","3","4","1","1") = "6"
    & skf21("3","5","7","3","3","4","2","1") = "6"
    & skf21("3","5","7","3","3","4","3","1") = "6"
    & skf21("3","5","7","3","3","4","4","1") = "6"
    & skf21("3","5","7","3","3","4","5","1") = "6"
    & skf21("3","5","7","3","3","4","6","1") = "6"
    & skf21("3","5","7","3","3","4","7","1") = "6"
    & skf21("3","5","7","3","3","5","1","1") = "6"
    & skf21("3","5","7","3","3","5","2","1") = "6"
    & skf21("3","5","7","3","3","5","3","1") = "6"
    & skf21("3","5","7","3","3","5","4","1") = "6"
    & skf21("3","5","7","3","3","5","5","1") = "6"
    & skf21("3","5","7","3","3","5","6","1") = "6"
    & skf21("3","5","7","3","3","5","7","1") = "6"
    & skf21("3","5","7","3","3","6","1","1") = "6"
    & skf21("3","5","7","3","3","6","2","1") = "6"
    & skf21("3","5","7","3","3","6","3","1") = "6"
    & skf21("3","5","7","3","3","6","4","1") = "6"
    & skf21("3","5","7","3","3","6","5","1") = "6"
    & skf21("3","5","7","3","3","6","6","1") = "6"
    & skf21("3","5","7","3","3","6","7","1") = "6"
    & skf21("3","5","7","3","3","7","1","1") = "6"
    & skf21("3","5","7","3","3","7","2","1") = "6"
    & skf21("3","5","7","3","3","7","3","1") = "6"
    & skf21("3","5","7","3","3","7","4","1") = "6"
    & skf21("3","5","7","3","3","7","5","1") = "6"
    & skf21("3","5","7","3","3","7","6","1") = "6"
    & skf21("3","5","7","3","3","7","7","1") = "6"
    & skf21("3","5","7","3","4","1","1","1") = "6"
    & skf21("3","5","7","3","4","1","2","1") = "6"
    & skf21("3","5","7","3","4","1","3","1") = "6"
    & skf21("3","5","7","3","4","1","4","1") = "6"
    & skf21("3","5","7","3","4","1","5","1") = "6"
    & skf21("3","5","7","3","4","1","6","1") = "6"
    & skf21("3","5","7","3","4","1","7","1") = "6"
    & skf21("3","5","7","3","4","2","1","1") = "6"
    & skf21("3","5","7","3","4","2","2","1") = "6"
    & skf21("3","5","7","3","4","2","3","1") = "6"
    & skf21("3","5","7","3","4","2","4","1") = "6"
    & skf21("3","5","7","3","4","2","5","1") = "6"
    & skf21("3","5","7","3","4","2","6","1") = "6"
    & skf21("3","5","7","3","4","2","7","1") = "6"
    & skf21("3","5","7","3","4","3","1","1") = "6"
    & skf21("3","5","7","3","4","3","2","1") = "6"
    & skf21("3","5","7","3","4","3","3","1") = "6"
    & skf21("3","5","7","3","4","3","4","1") = "6"
    & skf21("3","5","7","3","4","3","5","1") = "6"
    & skf21("3","5","7","3","4","3","6","1") = "6"
    & skf21("3","5","7","3","4","3","7","1") = "6"
    & skf21("3","5","7","3","4","4","1","1") = "6"
    & skf21("3","5","7","3","4","4","2","1") = "6"
    & skf21("3","5","7","3","4","4","3","1") = "6"
    & skf21("3","5","7","3","4","4","4","1") = "6"
    & skf21("3","5","7","3","4","4","5","1") = "6"
    & skf21("3","5","7","3","4","4","6","1") = "6"
    & skf21("3","5","7","3","4","4","7","1") = "6"
    & skf21("3","5","7","3","4","5","1","1") = "6"
    & skf21("3","5","7","3","4","5","2","1") = "6"
    & skf21("3","5","7","3","4","5","3","1") = "6"
    & skf21("3","5","7","3","4","5","4","1") = "6"
    & skf21("3","5","7","3","4","5","5","1") = "6"
    & skf21("3","5","7","3","4","5","6","1") = "6"
    & skf21("3","5","7","3","4","5","7","1") = "6"
    & skf21("3","5","7","3","4","6","1","1") = "6"
    & skf21("3","5","7","3","4","6","2","1") = "6"
    & skf21("3","5","7","3","4","6","3","1") = "6"
    & skf21("3","5","7","3","4","6","4","1") = "6"
    & skf21("3","5","7","3","4","6","5","1") = "6"
    & skf21("3","5","7","3","4","6","6","1") = "6"
    & skf21("3","5","7","3","4","6","7","1") = "6"
    & skf21("3","5","7","3","4","7","1","1") = "6"
    & skf21("3","5","7","3","4","7","2","1") = "6"
    & skf21("3","5","7","3","4","7","3","1") = "6"
    & skf21("3","5","7","3","4","7","4","1") = "6"
    & skf21("3","5","7","3","4","7","5","1") = "6"
    & skf21("3","5","7","3","4","7","6","1") = "6"
    & skf21("3","5","7","3","4","7","7","1") = "6"
    & skf21("3","5","7","3","5","1","1","1") = "6"
    & skf21("3","5","7","3","5","1","2","1") = "6"
    & skf21("3","5","7","3","5","1","3","1") = "6"
    & skf21("3","5","7","3","5","1","4","1") = "6"
    & skf21("3","5","7","3","5","1","5","1") = "6"
    & skf21("3","5","7","3","5","1","6","1") = "6"
    & skf21("3","5","7","3","5","1","7","1") = "6"
    & skf21("3","5","7","3","5","2","1","1") = "6"
    & skf21("3","5","7","3","5","2","2","1") = "6"
    & skf21("3","5","7","3","5","2","3","1") = "6"
    & skf21("3","5","7","3","5","2","4","1") = "6"
    & skf21("3","5","7","3","5","2","5","1") = "6"
    & skf21("3","5","7","3","5","2","6","1") = "6"
    & skf21("3","5","7","3","5","2","7","1") = "6"
    & skf21("3","5","7","3","5","3","1","1") = "6"
    & skf21("3","5","7","3","5","3","2","1") = "6"
    & skf21("3","5","7","3","5","3","3","1") = "6"
    & skf21("3","5","7","3","5","3","4","1") = "6"
    & skf21("3","5","7","3","5","3","5","1") = "6"
    & skf21("3","5","7","3","5","3","6","1") = "6"
    & skf21("3","5","7","3","5","3","7","1") = "6"
    & skf21("3","5","7","3","5","4","1","1") = "6"
    & skf21("3","5","7","3","5","4","2","1") = "6"
    & skf21("3","5","7","3","5","4","3","1") = "6"
    & skf21("3","5","7","3","5","4","4","1") = "6"
    & skf21("3","5","7","3","5","4","5","1") = "6"
    & skf21("3","5","7","3","5","4","6","1") = "6"
    & skf21("3","5","7","3","5","4","7","1") = "6"
    & skf21("3","5","7","3","5","5","1","1") = "6"
    & skf21("3","5","7","3","5","5","2","1") = "6"
    & skf21("3","5","7","3","5","5","3","1") = "6"
    & skf21("3","5","7","3","5","5","4","1") = "6"
    & skf21("3","5","7","3","5","5","5","1") = "6"
    & skf21("3","5","7","3","5","5","6","1") = "6"
    & skf21("3","5","7","3","5","5","7","1") = "6"
    & skf21("3","5","7","3","5","6","1","1") = "6"
    & skf21("3","5","7","3","5","6","2","1") = "6"
    & skf21("3","5","7","3","5","6","3","1") = "6"
    & skf21("3","5","7","3","5","6","4","1") = "6"
    & skf21("3","5","7","3","5","6","5","1") = "6"
    & skf21("3","5","7","3","5","6","6","1") = "6"
    & skf21("3","5","7","3","5","6","7","1") = "6"
    & skf21("3","5","7","3","5","7","1","1") = "6"
    & skf21("3","5","7","3","5","7","2","1") = "6"
    & skf21("3","5","7","3","5","7","3","1") = "6"
    & skf21("3","5","7","3","5","7","4","1") = "6"
    & skf21("3","5","7","3","5","7","5","1") = "6"
    & skf21("3","5","7","3","5","7","6","1") = "6"
    & skf21("3","5","7","3","5","7","7","1") = "6"
    & skf21("3","5","7","3","6","1","1","1") = "6"
    & skf21("3","5","7","3","6","1","2","1") = "6"
    & skf21("3","5","7","3","6","1","3","1") = "6"
    & skf21("3","5","7","3","6","1","4","1") = "6"
    & skf21("3","5","7","3","6","1","5","1") = "6"
    & skf21("3","5","7","3","6","1","6","1") = "6"
    & skf21("3","5","7","3","6","1","7","1") = "6"
    & skf21("3","5","7","3","6","2","1","1") = "6"
    & skf21("3","5","7","3","6","2","2","1") = "6"
    & skf21("3","5","7","3","6","2","3","1") = "6"
    & skf21("3","5","7","3","6","2","4","1") = "6"
    & skf21("3","5","7","3","6","2","5","1") = "6"
    & skf21("3","5","7","3","6","2","6","1") = "6"
    & skf21("3","5","7","3","6","2","7","1") = "6"
    & skf21("3","5","7","3","6","3","1","1") = "6"
    & skf21("3","5","7","3","6","3","2","1") = "6"
    & skf21("3","5","7","3","6","3","3","1") = "6"
    & skf21("3","5","7","3","6","3","4","1") = "6"
    & skf21("3","5","7","3","6","3","5","1") = "6"
    & skf21("3","5","7","3","6","3","6","1") = "6"
    & skf21("3","5","7","3","6","3","7","1") = "6"
    & skf21("3","5","7","3","6","4","1","1") = "6"
    & skf21("3","5","7","3","6","4","2","1") = "6"
    & skf21("3","5","7","3","6","4","3","1") = "6"
    & skf21("3","5","7","3","6","4","4","1") = "6"
    & skf21("3","5","7","3","6","4","5","1") = "6"
    & skf21("3","5","7","3","6","4","6","1") = "6"
    & skf21("3","5","7","3","6","4","7","1") = "6"
    & skf21("3","5","7","3","6","5","1","1") = "6"
    & skf21("3","5","7","3","6","5","2","1") = "6"
    & skf21("3","5","7","3","6","5","3","1") = "6"
    & skf21("3","5","7","3","6","5","4","1") = "6"
    & skf21("3","5","7","3","6","5","5","1") = "6"
    & skf21("3","5","7","3","6","5","6","1") = "6"
    & skf21("3","5","7","3","6","5","7","1") = "6"
    & skf21("3","5","7","3","6","6","1","1") = "6"
    & skf21("3","5","7","3","6","6","2","1") = "6"
    & skf21("3","5","7","3","6","6","3","1") = "6"
    & skf21("3","5","7","3","6","6","4","1") = "6"
    & skf21("3","5","7","3","6","6","5","1") = "6"
    & skf21("3","5","7","3","6","6","6","1") = "6"
    & skf21("3","5","7","3","6","6","7","1") = "6"
    & skf21("3","5","7","3","6","7","1","1") = "6"
    & skf21("3","5","7","3","6","7","2","1") = "6"
    & skf21("3","5","7","3","6","7","3","1") = "6"
    & skf21("3","5","7","3","6","7","4","1") = "6"
    & skf21("3","5","7","3","6","7","5","1") = "6"
    & skf21("3","5","7","3","6","7","6","1") = "6"
    & skf21("3","5","7","3","6","7","7","1") = "6"
    & skf21("3","5","7","3","7","1","1","1") = "6"
    & skf21("3","5","7","3","7","1","2","1") = "6"
    & skf21("3","5","7","3","7","1","3","1") = "6"
    & skf21("3","5","7","3","7","1","4","1") = "6"
    & skf21("3","5","7","3","7","1","5","1") = "6"
    & skf21("3","5","7","3","7","1","6","1") = "6"
    & skf21("3","5","7","3","7","1","7","1") = "6"
    & skf21("3","5","7","3","7","2","1","1") = "6"
    & skf21("3","5","7","3","7","2","2","1") = "6"
    & skf21("3","5","7","3","7","2","3","1") = "6"
    & skf21("3","5","7","3","7","2","4","1") = "6"
    & skf21("3","5","7","3","7","2","5","1") = "6"
    & skf21("3","5","7","3","7","2","6","1") = "6"
    & skf21("3","5","7","3","7","2","7","1") = "6"
    & skf21("3","5","7","3","7","3","1","1") = "6"
    & skf21("3","5","7","3","7","3","2","1") = "6"
    & skf21("3","5","7","3","7","3","3","1") = "6"
    & skf21("3","5","7","3","7","3","4","1") = "6"
    & skf21("3","5","7","3","7","3","5","1") = "6"
    & skf21("3","5","7","3","7","3","6","1") = "6"
    & skf21("3","5","7","3","7","3","7","1") = "6"
    & skf21("3","5","7","3","7","4","1","1") = "6"
    & skf21("3","5","7","3","7","4","2","1") = "6"
    & skf21("3","5","7","3","7","4","3","1") = "6"
    & skf21("3","5","7","3","7","4","4","1") = "6"
    & skf21("3","5","7","3","7","4","5","1") = "6"
    & skf21("3","5","7","3","7","4","6","1") = "6"
    & skf21("3","5","7","3","7","4","7","1") = "6"
    & skf21("3","5","7","3","7","5","1","1") = "6"
    & skf21("3","5","7","3","7","5","2","1") = "6"
    & skf21("3","5","7","3","7","5","3","1") = "6"
    & skf21("3","5","7","3","7","5","4","1") = "6"
    & skf21("3","5","7","3","7","5","5","1") = "6"
    & skf21("3","5","7","3","7","5","6","1") = "6"
    & skf21("3","5","7","3","7","5","7","1") = "6"
    & skf21("3","5","7","3","7","6","1","1") = "6"
    & skf21("3","5","7","3","7","6","2","1") = "6"
    & skf21("3","5","7","3","7","6","3","1") = "6"
    & skf21("3","5","7","3","7","6","4","1") = "6"
    & skf21("3","5","7","3","7","6","5","1") = "6"
    & skf21("3","5","7","3","7","6","6","1") = "6"
    & skf21("3","5","7","3","7","6","7","1") = "6"
    & skf21("3","5","7","3","7","7","1","1") = "6"
    & skf21("3","5","7","3","7","7","2","1") = "6"
    & skf21("3","5","7","3","7","7","3","1") = "6"
    & skf21("3","5","7","3","7","7","4","1") = "6"
    & skf21("3","5","7","3","7","7","5","1") = "6"
    & skf21("3","5","7","3","7","7","6","1") = "6"
    & skf21("3","5","7","3","7","7","7","1") = "6"
    & skf21("3","5","7","4","1","1","1","1") = "6"
    & skf21("3","5","7","4","1","1","2","1") = "6"
    & skf21("3","5","7","4","1","1","3","1") = "6"
    & skf21("3","5","7","4","1","1","4","1") = "6"
    & skf21("3","5","7","4","1","1","5","1") = "6"
    & skf21("3","5","7","4","1","1","6","1") = "6"
    & skf21("3","5","7","4","1","1","7","1") = "6"
    & skf21("3","5","7","4","1","2","1","1") = "6"
    & skf21("3","5","7","4","1","2","2","1") = "6"
    & skf21("3","5","7","4","1","2","3","1") = "6"
    & skf21("3","5","7","4","1","2","4","1") = "6"
    & skf21("3","5","7","4","1","2","5","1") = "6"
    & skf21("3","5","7","4","1","2","6","1") = "6"
    & skf21("3","5","7","4","1","2","7","1") = "6"
    & skf21("3","5","7","4","1","3","1","1") = "6"
    & skf21("3","5","7","4","1","3","2","1") = "6"
    & skf21("3","5","7","4","1","3","3","1") = "6"
    & skf21("3","5","7","4","1","3","4","1") = "6"
    & skf21("3","5","7","4","1","3","5","1") = "6"
    & skf21("3","5","7","4","1","3","6","1") = "6"
    & skf21("3","5","7","4","1","3","7","1") = "6"
    & skf21("3","5","7","4","1","4","1","1") = "6"
    & skf21("3","5","7","4","1","4","2","1") = "6"
    & skf21("3","5","7","4","1","4","3","1") = "6"
    & skf21("3","5","7","4","1","4","4","1") = "6"
    & skf21("3","5","7","4","1","4","5","1") = "6"
    & skf21("3","5","7","4","1","4","6","1") = "6"
    & skf21("3","5","7","4","1","4","7","1") = "6"
    & skf21("3","5","7","4","1","5","1","1") = "6"
    & skf21("3","5","7","4","1","5","2","1") = "6"
    & skf21("3","5","7","4","1","5","3","1") = "6"
    & skf21("3","5","7","4","1","5","4","1") = "6"
    & skf21("3","5","7","4","1","5","5","1") = "6"
    & skf21("3","5","7","4","1","5","6","1") = "6"
    & skf21("3","5","7","4","1","5","7","1") = "6"
    & skf21("3","5","7","4","1","6","1","1") = "6"
    & skf21("3","5","7","4","1","6","2","1") = "6"
    & skf21("3","5","7","4","1","6","3","1") = "6"
    & skf21("3","5","7","4","1","6","4","1") = "6"
    & skf21("3","5","7","4","1","6","5","1") = "6"
    & skf21("3","5","7","4","1","6","6","1") = "6"
    & skf21("3","5","7","4","1","6","7","1") = "6"
    & skf21("3","5","7","4","1","7","1","1") = "6"
    & skf21("3","5","7","4","1","7","2","1") = "6"
    & skf21("3","5","7","4","1","7","3","1") = "6"
    & skf21("3","5","7","4","1","7","4","1") = "6"
    & skf21("3","5","7","4","1","7","5","1") = "6"
    & skf21("3","5","7","4","1","7","6","1") = "6"
    & skf21("3","5","7","4","1","7","7","1") = "6"
    & skf21("3","5","7","4","2","1","1","1") = "6"
    & skf21("3","5","7","4","2","1","2","1") = "6"
    & skf21("3","5","7","4","2","1","3","1") = "6"
    & skf21("3","5","7","4","2","1","4","1") = "6"
    & skf21("3","5","7","4","2","1","5","1") = "6"
    & skf21("3","5","7","4","2","1","6","1") = "6"
    & skf21("3","5","7","4","2","1","7","1") = "6"
    & skf21("3","5","7","4","2","2","1","1") = "6"
    & skf21("3","5","7","4","2","2","2","1") = "6"
    & skf21("3","5","7","4","2","2","3","1") = "6"
    & skf21("3","5","7","4","2","2","4","1") = "6"
    & skf21("3","5","7","4","2","2","5","1") = "6"
    & skf21("3","5","7","4","2","2","6","1") = "6"
    & skf21("3","5","7","4","2","2","7","1") = "6"
    & skf21("3","5","7","4","2","3","1","1") = "6"
    & skf21("3","5","7","4","2","3","2","1") = "6"
    & skf21("3","5","7","4","2","3","3","1") = "6"
    & skf21("3","5","7","4","2","3","4","1") = "6"
    & skf21("3","5","7","4","2","3","5","1") = "6"
    & skf21("3","5","7","4","2","3","6","1") = "6"
    & skf21("3","5","7","4","2","3","7","1") = "6"
    & skf21("3","5","7","4","2","4","1","1") = "6"
    & skf21("3","5","7","4","2","4","2","1") = "6"
    & skf21("3","5","7","4","2","4","3","1") = "6"
    & skf21("3","5","7","4","2","4","4","1") = "6"
    & skf21("3","5","7","4","2","4","5","1") = "6"
    & skf21("3","5","7","4","2","4","6","1") = "6"
    & skf21("3","5","7","4","2","4","7","1") = "6"
    & skf21("3","5","7","4","2","5","1","1") = "6"
    & skf21("3","5","7","4","2","5","2","1") = "6"
    & skf21("3","5","7","4","2","5","3","1") = "6"
    & skf21("3","5","7","4","2","5","4","1") = "6"
    & skf21("3","5","7","4","2","5","5","1") = "6"
    & skf21("3","5","7","4","2","5","6","1") = "6"
    & skf21("3","5","7","4","2","5","7","1") = "6"
    & skf21("3","5","7","4","2","6","1","1") = "6"
    & skf21("3","5","7","4","2","6","2","1") = "6"
    & skf21("3","5","7","4","2","6","3","1") = "6"
    & skf21("3","5","7","4","2","6","4","1") = "6"
    & skf21("3","5","7","4","2","6","5","1") = "6"
    & skf21("3","5","7","4","2","6","6","1") = "6"
    & skf21("3","5","7","4","2","6","7","1") = "6"
    & skf21("3","5","7","4","2","7","1","1") = "6"
    & skf21("3","5","7","4","2","7","2","1") = "6"
    & skf21("3","5","7","4","2","7","3","1") = "6"
    & skf21("3","5","7","4","2","7","4","1") = "6"
    & skf21("3","5","7","4","2","7","5","1") = "6"
    & skf21("3","5","7","4","2","7","6","1") = "6"
    & skf21("3","5","7","4","2","7","7","1") = "6"
    & skf21("3","5","7","4","3","1","1","1") = "6"
    & skf21("3","5","7","4","3","1","2","1") = "6"
    & skf21("3","5","7","4","3","1","3","1") = "6"
    & skf21("3","5","7","4","3","1","4","1") = "6"
    & skf21("3","5","7","4","3","1","5","1") = "6"
    & skf21("3","5","7","4","3","1","6","1") = "6"
    & skf21("3","5","7","4","3","1","7","1") = "6"
    & skf21("3","5","7","4","3","2","1","1") = "6"
    & skf21("3","5","7","4","3","2","2","1") = "6"
    & skf21("3","5","7","4","3","2","3","1") = "6"
    & skf21("3","5","7","4","3","2","4","1") = "6"
    & skf21("3","5","7","4","3","2","5","1") = "6"
    & skf21("3","5","7","4","3","2","6","1") = "6"
    & skf21("3","5","7","4","3","2","7","1") = "6"
    & skf21("3","5","7","4","3","3","1","1") = "6"
    & skf21("3","5","7","4","3","3","2","1") = "6"
    & skf21("3","5","7","4","3","3","3","1") = "6"
    & skf21("3","5","7","4","3","3","4","1") = "6"
    & skf21("3","5","7","4","3","3","5","1") = "6"
    & skf21("3","5","7","4","3","3","6","1") = "6"
    & skf21("3","5","7","4","3","3","7","1") = "6"
    & skf21("3","5","7","4","3","4","1","1") = "6"
    & skf21("3","5","7","4","3","4","2","1") = "6"
    & skf21("3","5","7","4","3","4","3","1") = "6"
    & skf21("3","5","7","4","3","4","4","1") = "6"
    & skf21("3","5","7","4","3","4","5","1") = "6"
    & skf21("3","5","7","4","3","4","6","1") = "6"
    & skf21("3","5","7","4","3","4","7","1") = "6"
    & skf21("3","5","7","4","3","5","1","1") = "6"
    & skf21("3","5","7","4","3","5","2","1") = "6"
    & skf21("3","5","7","4","3","5","3","1") = "6"
    & skf21("3","5","7","4","3","5","4","1") = "6"
    & skf21("3","5","7","4","3","5","5","1") = "6"
    & skf21("3","5","7","4","3","5","6","1") = "6"
    & skf21("3","5","7","4","3","5","7","1") = "6"
    & skf21("3","5","7","4","3","6","1","1") = "6"
    & skf21("3","5","7","4","3","6","2","1") = "6"
    & skf21("3","5","7","4","3","6","3","1") = "6"
    & skf21("3","5","7","4","3","6","4","1") = "6"
    & skf21("3","5","7","4","3","6","5","1") = "6"
    & skf21("3","5","7","4","3","6","6","1") = "6"
    & skf21("3","5","7","4","3","6","7","1") = "6"
    & skf21("3","5","7","4","3","7","1","1") = "6"
    & skf21("3","5","7","4","3","7","2","1") = "6"
    & skf21("3","5","7","4","3","7","3","1") = "6"
    & skf21("3","5","7","4","3","7","4","1") = "6"
    & skf21("3","5","7","4","3","7","5","1") = "6"
    & skf21("3","5","7","4","3","7","6","1") = "6"
    & skf21("3","5","7","4","3","7","7","1") = "6"
    & skf21("3","5","7","4","4","1","1","1") = "6"
    & skf21("3","5","7","4","4","1","2","1") = "6"
    & skf21("3","5","7","4","4","1","3","1") = "6"
    & skf21("3","5","7","4","4","1","4","1") = "6"
    & skf21("3","5","7","4","4","1","5","1") = "6"
    & skf21("3","5","7","4","4","1","6","1") = "6"
    & skf21("3","5","7","4","4","1","7","1") = "6"
    & skf21("3","5","7","4","4","2","1","1") = "6"
    & skf21("3","5","7","4","4","2","2","1") = "6"
    & skf21("3","5","7","4","4","2","3","1") = "6"
    & skf21("3","5","7","4","4","2","4","1") = "6"
    & skf21("3","5","7","4","4","2","5","1") = "6"
    & skf21("3","5","7","4","4","2","6","1") = "6"
    & skf21("3","5","7","4","4","2","7","1") = "6"
    & skf21("3","5","7","4","4","3","1","1") = "6"
    & skf21("3","5","7","4","4","3","2","1") = "6"
    & skf21("3","5","7","4","4","3","3","1") = "6"
    & skf21("3","5","7","4","4","3","4","1") = "6"
    & skf21("3","5","7","4","4","3","5","1") = "6"
    & skf21("3","5","7","4","4","3","6","1") = "6"
    & skf21("3","5","7","4","4","3","7","1") = "6"
    & skf21("3","5","7","4","4","4","1","1") = "6"
    & skf21("3","5","7","4","4","4","2","1") = "6"
    & skf21("3","5","7","4","4","4","3","1") = "6"
    & skf21("3","5","7","4","4","4","4","1") = "6"
    & skf21("3","5","7","4","4","4","5","1") = "6"
    & skf21("3","5","7","4","4","4","6","1") = "6"
    & skf21("3","5","7","4","4","4","7","1") = "6"
    & skf21("3","5","7","4","4","5","1","1") = "6"
    & skf21("3","5","7","4","4","5","2","1") = "6"
    & skf21("3","5","7","4","4","5","3","1") = "6"
    & skf21("3","5","7","4","4","5","4","1") = "6"
    & skf21("3","5","7","4","4","5","5","1") = "6"
    & skf21("3","5","7","4","4","5","6","1") = "6"
    & skf21("3","5","7","4","4","5","7","1") = "6"
    & skf21("3","5","7","4","4","6","1","1") = "6"
    & skf21("3","5","7","4","4","6","2","1") = "6"
    & skf21("3","5","7","4","4","6","3","1") = "6"
    & skf21("3","5","7","4","4","6","4","1") = "6"
    & skf21("3","5","7","4","4","6","5","1") = "6"
    & skf21("3","5","7","4","4","6","6","1") = "6"
    & skf21("3","5","7","4","4","6","7","1") = "6"
    & skf21("3","5","7","4","4","7","1","1") = "6"
    & skf21("3","5","7","4","4","7","2","1") = "6"
    & skf21("3","5","7","4","4","7","3","1") = "6"
    & skf21("3","5","7","4","4","7","4","1") = "6"
    & skf21("3","5","7","4","4","7","5","1") = "6"
    & skf21("3","5","7","4","4","7","6","1") = "6"
    & skf21("3","5","7","4","4","7","7","1") = "6"
    & skf21("3","5","7","4","5","1","1","1") = "6"
    & skf21("3","5","7","4","5","1","2","1") = "6"
    & skf21("3","5","7","4","5","1","3","1") = "6"
    & skf21("3","5","7","4","5","1","4","1") = "6"
    & skf21("3","5","7","4","5","1","5","1") = "6"
    & skf21("3","5","7","4","5","1","6","1") = "6"
    & skf21("3","5","7","4","5","1","7","1") = "6"
    & skf21("3","5","7","4","5","2","1","1") = "6"
    & skf21("3","5","7","4","5","2","2","1") = "6"
    & skf21("3","5","7","4","5","2","3","1") = "6"
    & skf21("3","5","7","4","5","2","4","1") = "6"
    & skf21("3","5","7","4","5","2","5","1") = "6"
    & skf21("3","5","7","4","5","2","6","1") = "6"
    & skf21("3","5","7","4","5","2","7","1") = "6"
    & skf21("3","5","7","4","5","3","1","1") = "6"
    & skf21("3","5","7","4","5","3","2","1") = "6"
    & skf21("3","5","7","4","5","3","3","1") = "6"
    & skf21("3","5","7","4","5","3","4","1") = "6"
    & skf21("3","5","7","4","5","3","5","1") = "6"
    & skf21("3","5","7","4","5","3","6","1") = "6"
    & skf21("3","5","7","4","5","3","7","1") = "6"
    & skf21("3","5","7","4","5","4","1","1") = "6"
    & skf21("3","5","7","4","5","4","2","1") = "6"
    & skf21("3","5","7","4","5","4","3","1") = "6"
    & skf21("3","5","7","4","5","4","4","1") = "6"
    & skf21("3","5","7","4","5","4","5","1") = "6"
    & skf21("3","5","7","4","5","4","6","1") = "6"
    & skf21("3","5","7","4","5","4","7","1") = "6"
    & skf21("3","5","7","4","5","5","1","1") = "6"
    & skf21("3","5","7","4","5","5","2","1") = "6"
    & skf21("3","5","7","4","5","5","3","1") = "6"
    & skf21("3","5","7","4","5","5","4","1") = "6"
    & skf21("3","5","7","4","5","5","5","1") = "6"
    & skf21("3","5","7","4","5","5","6","1") = "6"
    & skf21("3","5","7","4","5","5","7","1") = "6"
    & skf21("3","5","7","4","5","6","1","1") = "6"
    & skf21("3","5","7","4","5","6","2","1") = "6"
    & skf21("3","5","7","4","5","6","3","1") = "6"
    & skf21("3","5","7","4","5","6","4","1") = "6"
    & skf21("3","5","7","4","5","6","5","1") = "6"
    & skf21("3","5","7","4","5","6","6","1") = "6"
    & skf21("3","5","7","4","5","6","7","1") = "6"
    & skf21("3","5","7","4","5","7","1","1") = "6"
    & skf21("3","5","7","4","5","7","2","1") = "6"
    & skf21("3","5","7","4","5","7","3","1") = "6"
    & skf21("3","5","7","4","5","7","4","1") = "6"
    & skf21("3","5","7","4","5","7","5","1") = "6"
    & skf21("3","5","7","4","5","7","6","1") = "6"
    & skf21("3","5","7","4","5","7","7","1") = "6"
    & skf21("3","5","7","4","6","1","1","1") = "6"
    & skf21("3","5","7","4","6","1","2","1") = "6"
    & skf21("3","5","7","4","6","1","3","1") = "6"
    & skf21("3","5","7","4","6","1","4","1") = "6"
    & skf21("3","5","7","4","6","1","5","1") = "6"
    & skf21("3","5","7","4","6","1","6","1") = "6"
    & skf21("3","5","7","4","6","1","7","1") = "6"
    & skf21("3","5","7","4","6","2","1","1") = "6"
    & skf21("3","5","7","4","6","2","2","1") = "6"
    & skf21("3","5","7","4","6","2","3","1") = "6"
    & skf21("3","5","7","4","6","2","4","1") = "6"
    & skf21("3","5","7","4","6","2","5","1") = "6"
    & skf21("3","5","7","4","6","2","6","1") = "6"
    & skf21("3","5","7","4","6","2","7","1") = "6"
    & skf21("3","5","7","4","6","3","1","1") = "6"
    & skf21("3","5","7","4","6","3","2","1") = "6"
    & skf21("3","5","7","4","6","3","3","1") = "6"
    & skf21("3","5","7","4","6","3","4","1") = "6"
    & skf21("3","5","7","4","6","3","5","1") = "6"
    & skf21("3","5","7","4","6","3","6","1") = "6"
    & skf21("3","5","7","4","6","3","7","1") = "6"
    & skf21("3","5","7","4","6","4","1","1") = "6"
    & skf21("3","5","7","4","6","4","2","1") = "6"
    & skf21("3","5","7","4","6","4","3","1") = "6"
    & skf21("3","5","7","4","6","4","4","1") = "6"
    & skf21("3","5","7","4","6","4","5","1") = "6"
    & skf21("3","5","7","4","6","4","6","1") = "6"
    & skf21("3","5","7","4","6","4","7","1") = "6"
    & skf21("3","5","7","4","6","5","1","1") = "6"
    & skf21("3","5","7","4","6","5","2","1") = "6"
    & skf21("3","5","7","4","6","5","3","1") = "6"
    & skf21("3","5","7","4","6","5","4","1") = "6"
    & skf21("3","5","7","4","6","5","5","1") = "6"
    & skf21("3","5","7","4","6","5","6","1") = "6"
    & skf21("3","5","7","4","6","5","7","1") = "6"
    & skf21("3","5","7","4","6","6","1","1") = "6"
    & skf21("3","5","7","4","6","6","2","1") = "6"
    & skf21("3","5","7","4","6","6","3","1") = "6"
    & skf21("3","5","7","4","6","6","4","1") = "6"
    & skf21("3","5","7","4","6","6","5","1") = "6"
    & skf21("3","5","7","4","6","6","6","1") = "6"
    & skf21("3","5","7","4","6","6","7","1") = "6"
    & skf21("3","5","7","4","6","7","1","1") = "6"
    & skf21("3","5","7","4","6","7","2","1") = "6"
    & skf21("3","5","7","4","6","7","3","1") = "6"
    & skf21("3","5","7","4","6","7","4","1") = "6"
    & skf21("3","5","7","4","6","7","5","1") = "6"
    & skf21("3","5","7","4","6","7","6","1") = "6"
    & skf21("3","5","7","4","6","7","7","1") = "6"
    & skf21("3","5","7","4","7","1","1","1") = "6"
    & skf21("3","5","7","4","7","1","2","1") = "6"
    & skf21("3","5","7","4","7","1","3","1") = "6"
    & skf21("3","5","7","4","7","1","4","1") = "6"
    & skf21("3","5","7","4","7","1","5","1") = "6"
    & skf21("3","5","7","4","7","1","6","1") = "6"
    & skf21("3","5","7","4","7","1","7","1") = "6"
    & skf21("3","5","7","4","7","2","1","1") = "6"
    & skf21("3","5","7","4","7","2","2","1") = "6"
    & skf21("3","5","7","4","7","2","3","1") = "6"
    & skf21("3","5","7","4","7","2","4","1") = "6"
    & skf21("3","5","7","4","7","2","5","1") = "6"
    & skf21("3","5","7","4","7","2","6","1") = "6"
    & skf21("3","5","7","4","7","2","7","1") = "6"
    & skf21("3","5","7","4","7","3","1","1") = "6"
    & skf21("3","5","7","4","7","3","2","1") = "6"
    & skf21("3","5","7","4","7","3","3","1") = "6"
    & skf21("3","5","7","4","7","3","4","1") = "6"
    & skf21("3","5","7","4","7","3","5","1") = "6"
    & skf21("3","5","7","4","7","3","6","1") = "6"
    & skf21("3","5","7","4","7","3","7","1") = "6"
    & skf21("3","5","7","4","7","4","1","1") = "6"
    & skf21("3","5","7","4","7","4","2","1") = "6"
    & skf21("3","5","7","4","7","4","3","1") = "6"
    & skf21("3","5","7","4","7","4","4","1") = "6"
    & skf21("3","5","7","4","7","4","5","1") = "6"
    & skf21("3","5","7","4","7","4","6","1") = "6"
    & skf21("3","5","7","4","7","4","7","1") = "6"
    & skf21("3","5","7","4","7","5","1","1") = "6"
    & skf21("3","5","7","4","7","5","2","1") = "6"
    & skf21("3","5","7","4","7","5","3","1") = "6"
    & skf21("3","5","7","4","7","5","4","1") = "6"
    & skf21("3","5","7","4","7","5","5","1") = "6"
    & skf21("3","5","7","4","7","5","6","1") = "6"
    & skf21("3","5","7","4","7","5","7","1") = "6"
    & skf21("3","5","7","4","7","6","1","1") = "6"
    & skf21("3","5","7","4","7","6","2","1") = "6"
    & skf21("3","5","7","4","7","6","3","1") = "6"
    & skf21("3","5","7","4","7","6","4","1") = "6"
    & skf21("3","5","7","4","7","6","5","1") = "6"
    & skf21("3","5","7","4","7","6","6","1") = "6"
    & skf21("3","5","7","4","7","6","7","1") = "6"
    & skf21("3","5","7","4","7","7","1","1") = "6"
    & skf21("3","5","7","4","7","7","2","1") = "6"
    & skf21("3","5","7","4","7","7","3","1") = "6"
    & skf21("3","5","7","4","7","7","4","1") = "6"
    & skf21("3","5","7","4","7","7","5","1") = "6"
    & skf21("3","5","7","4","7","7","6","1") = "6"
    & skf21("3","5","7","4","7","7","7","1") = "6"
    & skf21("3","5","7","5","1","1","1","1") = "6"
    & skf21("3","5","7","5","1","1","2","1") = "6"
    & skf21("3","5","7","5","1","1","3","1") = "6"
    & skf21("3","5","7","5","1","1","4","1") = "6"
    & skf21("3","5","7","5","1","1","5","1") = "6"
    & skf21("3","5","7","5","1","1","6","1") = "6"
    & skf21("3","5","7","5","1","1","7","1") = "6"
    & skf21("3","5","7","5","1","2","1","1") = "6"
    & skf21("3","5","7","5","1","2","2","1") = "6"
    & skf21("3","5","7","5","1","2","3","1") = "6"
    & skf21("3","5","7","5","1","2","4","1") = "6"
    & skf21("3","5","7","5","1","2","5","1") = "6"
    & skf21("3","5","7","5","1","2","6","1") = "6"
    & skf21("3","5","7","5","1","2","7","1") = "6"
    & skf21("3","5","7","5","1","3","1","1") = "6"
    & skf21("3","5","7","5","1","3","2","1") = "6"
    & skf21("3","5","7","5","1","3","3","1") = "6"
    & skf21("3","5","7","5","1","3","4","1") = "6"
    & skf21("3","5","7","5","1","3","5","1") = "6"
    & skf21("3","5","7","5","1","3","6","1") = "6"
    & skf21("3","5","7","5","1","3","7","1") = "6"
    & skf21("3","5","7","5","1","4","1","1") = "6"
    & skf21("3","5","7","5","1","4","2","1") = "6"
    & skf21("3","5","7","5","1","4","3","1") = "6"
    & skf21("3","5","7","5","1","4","4","1") = "6"
    & skf21("3","5","7","5","1","4","5","1") = "6"
    & skf21("3","5","7","5","1","4","6","1") = "6"
    & skf21("3","5","7","5","1","4","7","1") = "6"
    & skf21("3","5","7","5","1","5","1","1") = "6"
    & skf21("3","5","7","5","1","5","2","1") = "6"
    & skf21("3","5","7","5","1","5","3","1") = "6"
    & skf21("3","5","7","5","1","5","4","1") = "6"
    & skf21("3","5","7","5","1","5","5","1") = "6"
    & skf21("3","5","7","5","1","5","6","1") = "6"
    & skf21("3","5","7","5","1","5","7","1") = "6"
    & skf21("3","5","7","5","1","6","1","1") = "6"
    & skf21("3","5","7","5","1","6","2","1") = "6"
    & skf21("3","5","7","5","1","6","3","1") = "6"
    & skf21("3","5","7","5","1","6","4","1") = "6"
    & skf21("3","5","7","5","1","6","5","1") = "6"
    & skf21("3","5","7","5","1","6","6","1") = "6"
    & skf21("3","5","7","5","1","6","7","1") = "6"
    & skf21("3","5","7","5","1","7","1","1") = "6"
    & skf21("3","5","7","5","1","7","2","1") = "6"
    & skf21("3","5","7","5","1","7","3","1") = "6"
    & skf21("3","5","7","5","1","7","4","1") = "6"
    & skf21("3","5","7","5","1","7","5","1") = "6"
    & skf21("3","5","7","5","1","7","6","1") = "6"
    & skf21("3","5","7","5","1","7","7","1") = "6"
    & skf21("3","5","7","5","2","1","1","1") = "6"
    & skf21("3","5","7","5","2","1","2","1") = "6"
    & skf21("3","5","7","5","2","1","3","1") = "6"
    & skf21("3","5","7","5","2","1","4","1") = "6"
    & skf21("3","5","7","5","2","1","5","1") = "6"
    & skf21("3","5","7","5","2","1","6","1") = "6"
    & skf21("3","5","7","5","2","1","7","1") = "6"
    & skf21("3","5","7","5","2","2","1","1") = "6"
    & skf21("3","5","7","5","2","2","2","1") = "6"
    & skf21("3","5","7","5","2","2","3","1") = "6"
    & skf21("3","5","7","5","2","2","4","1") = "6"
    & skf21("3","5","7","5","2","2","5","1") = "6"
    & skf21("3","5","7","5","2","2","6","1") = "6"
    & skf21("3","5","7","5","2","2","7","1") = "6"
    & skf21("3","5","7","5","2","3","1","1") = "6"
    & skf21("3","5","7","5","2","3","2","1") = "6"
    & skf21("3","5","7","5","2","3","3","1") = "6"
    & skf21("3","5","7","5","2","3","4","1") = "6"
    & skf21("3","5","7","5","2","3","5","1") = "6"
    & skf21("3","5","7","5","2","3","6","1") = "6"
    & skf21("3","5","7","5","2","3","7","1") = "6"
    & skf21("3","5","7","5","2","4","1","1") = "6"
    & skf21("3","5","7","5","2","4","2","1") = "6"
    & skf21("3","5","7","5","2","4","3","1") = "6"
    & skf21("3","5","7","5","2","4","4","1") = "6"
    & skf21("3","5","7","5","2","4","5","1") = "6"
    & skf21("3","5","7","5","2","4","6","1") = "6"
    & skf21("3","5","7","5","2","4","7","1") = "6"
    & skf21("3","5","7","5","2","5","1","1") = "6"
    & skf21("3","5","7","5","2","5","2","1") = "6"
    & skf21("3","5","7","5","2","5","3","1") = "6"
    & skf21("3","5","7","5","2","5","4","1") = "6"
    & skf21("3","5","7","5","2","5","5","1") = "6"
    & skf21("3","5","7","5","2","5","6","1") = "6"
    & skf21("3","5","7","5","2","5","7","1") = "6"
    & skf21("3","5","7","5","2","6","1","1") = "6"
    & skf21("3","5","7","5","2","6","2","1") = "6"
    & skf21("3","5","7","5","2","6","3","1") = "6"
    & skf21("3","5","7","5","2","6","4","1") = "6"
    & skf21("3","5","7","5","2","6","5","1") = "6"
    & skf21("3","5","7","5","2","6","6","1") = "6"
    & skf21("3","5","7","5","2","6","7","1") = "6"
    & skf21("3","5","7","5","2","7","1","1") = "6"
    & skf21("3","5","7","5","2","7","2","1") = "6"
    & skf21("3","5","7","5","2","7","3","1") = "6"
    & skf21("3","5","7","5","2","7","4","1") = "6"
    & skf21("3","5","7","5","2","7","5","1") = "6"
    & skf21("3","5","7","5","2","7","6","1") = "6"
    & skf21("3","5","7","5","2","7","7","1") = "6"
    & skf21("3","5","7","5","3","1","1","1") = "6"
    & skf21("3","5","7","5","3","1","2","1") = "6"
    & skf21("3","5","7","5","3","1","3","1") = "6"
    & skf21("3","5","7","5","3","1","4","1") = "6"
    & skf21("3","5","7","5","3","1","5","1") = "6"
    & skf21("3","5","7","5","3","1","6","1") = "6"
    & skf21("3","5","7","5","3","1","7","1") = "6"
    & skf21("3","5","7","5","3","2","1","1") = "6"
    & skf21("3","5","7","5","3","2","2","1") = "6"
    & skf21("3","5","7","5","3","2","3","1") = "6"
    & skf21("3","5","7","5","3","2","4","1") = "6"
    & skf21("3","5","7","5","3","2","5","1") = "6"
    & skf21("3","5","7","5","3","2","6","1") = "6"
    & skf21("3","5","7","5","3","2","7","1") = "6"
    & skf21("3","5","7","5","3","3","1","1") = "6"
    & skf21("3","5","7","5","3","3","2","1") = "6"
    & skf21("3","5","7","5","3","3","3","1") = "6"
    & skf21("3","5","7","5","3","3","4","1") = "6"
    & skf21("3","5","7","5","3","3","5","1") = "6"
    & skf21("3","5","7","5","3","3","6","1") = "6"
    & skf21("3","5","7","5","3","3","7","1") = "6"
    & skf21("3","5","7","5","3","4","1","1") = "6"
    & skf21("3","5","7","5","3","4","2","1") = "6"
    & skf21("3","5","7","5","3","4","3","1") = "6"
    & skf21("3","5","7","5","3","4","4","1") = "6"
    & skf21("3","5","7","5","3","4","5","1") = "6"
    & skf21("3","5","7","5","3","4","6","1") = "6"
    & skf21("3","5","7","5","3","4","7","1") = "6"
    & skf21("3","5","7","5","3","5","1","1") = "6"
    & skf21("3","5","7","5","3","5","2","1") = "6"
    & skf21("3","5","7","5","3","5","3","1") = "6"
    & skf21("3","5","7","5","3","5","4","1") = "6"
    & skf21("3","5","7","5","3","5","5","1") = "6"
    & skf21("3","5","7","5","3","5","6","1") = "6"
    & skf21("3","5","7","5","3","5","7","1") = "6"
    & skf21("3","5","7","5","3","6","1","1") = "6"
    & skf21("3","5","7","5","3","6","2","1") = "6"
    & skf21("3","5","7","5","3","6","3","1") = "6"
    & skf21("3","5","7","5","3","6","4","1") = "6"
    & skf21("3","5","7","5","3","6","5","1") = "6"
    & skf21("3","5","7","5","3","6","6","1") = "6"
    & skf21("3","5","7","5","3","6","7","1") = "6"
    & skf21("3","5","7","5","3","7","1","1") = "6"
    & skf21("3","5","7","5","3","7","2","1") = "6"
    & skf21("3","5","7","5","3","7","3","1") = "6"
    & skf21("3","5","7","5","3","7","4","1") = "6"
    & skf21("3","5","7","5","3","7","5","1") = "6"
    & skf21("3","5","7","5","3","7","6","1") = "6"
    & skf21("3","5","7","5","3","7","7","1") = "6"
    & skf21("3","5","7","5","4","1","1","1") = "6"
    & skf21("3","5","7","5","4","1","2","1") = "6"
    & skf21("3","5","7","5","4","1","3","1") = "6"
    & skf21("3","5","7","5","4","1","4","1") = "6"
    & skf21("3","5","7","5","4","1","5","1") = "6"
    & skf21("3","5","7","5","4","1","6","1") = "6"
    & skf21("3","5","7","5","4","1","7","1") = "6"
    & skf21("3","5","7","5","4","2","1","1") = "6"
    & skf21("3","5","7","5","4","2","2","1") = "6"
    & skf21("3","5","7","5","4","2","3","1") = "6"
    & skf21("3","5","7","5","4","2","4","1") = "6"
    & skf21("3","5","7","5","4","2","5","1") = "6"
    & skf21("3","5","7","5","4","2","6","1") = "6"
    & skf21("3","5","7","5","4","2","7","1") = "6"
    & skf21("3","5","7","5","4","3","1","1") = "6"
    & skf21("3","5","7","5","4","3","2","1") = "6"
    & skf21("3","5","7","5","4","3","3","1") = "6"
    & skf21("3","5","7","5","4","3","4","1") = "6"
    & skf21("3","5","7","5","4","3","5","1") = "6"
    & skf21("3","5","7","5","4","3","6","1") = "6"
    & skf21("3","5","7","5","4","3","7","1") = "6"
    & skf21("3","5","7","5","4","4","1","1") = "6"
    & skf21("3","5","7","5","4","4","2","1") = "6"
    & skf21("3","5","7","5","4","4","3","1") = "6"
    & skf21("3","5","7","5","4","4","4","1") = "6"
    & skf21("3","5","7","5","4","4","5","1") = "6"
    & skf21("3","5","7","5","4","4","6","1") = "6"
    & skf21("3","5","7","5","4","4","7","1") = "6"
    & skf21("3","5","7","5","4","5","1","1") = "6"
    & skf21("3","5","7","5","4","5","2","1") = "6"
    & skf21("3","5","7","5","4","5","3","1") = "6"
    & skf21("3","5","7","5","4","5","4","1") = "6"
    & skf21("3","5","7","5","4","5","5","1") = "6"
    & skf21("3","5","7","5","4","5","6","1") = "6"
    & skf21("3","5","7","5","4","5","7","1") = "6"
    & skf21("3","5","7","5","4","6","1","1") = "6"
    & skf21("3","5","7","5","4","6","2","1") = "6"
    & skf21("3","5","7","5","4","6","3","1") = "6"
    & skf21("3","5","7","5","4","6","4","1") = "6"
    & skf21("3","5","7","5","4","6","5","1") = "6"
    & skf21("3","5","7","5","4","6","6","1") = "6"
    & skf21("3","5","7","5","4","6","7","1") = "6"
    & skf21("3","5","7","5","4","7","1","1") = "6"
    & skf21("3","5","7","5","4","7","2","1") = "6"
    & skf21("3","5","7","5","4","7","3","1") = "6"
    & skf21("3","5","7","5","4","7","4","1") = "6"
    & skf21("3","5","7","5","4","7","5","1") = "6"
    & skf21("3","5","7","5","4","7","6","1") = "6"
    & skf21("3","5","7","5","4","7","7","1") = "6"
    & skf21("3","5","7","5","5","1","1","1") = "6"
    & skf21("3","5","7","5","5","1","2","1") = "6"
    & skf21("3","5","7","5","5","1","3","1") = "6"
    & skf21("3","5","7","5","5","1","4","1") = "6"
    & skf21("3","5","7","5","5","1","5","1") = "6"
    & skf21("3","5","7","5","5","1","6","1") = "6"
    & skf21("3","5","7","5","5","1","7","1") = "6"
    & skf21("3","5","7","5","5","2","1","1") = "6"
    & skf21("3","5","7","5","5","2","2","1") = "6"
    & skf21("3","5","7","5","5","2","3","1") = "6"
    & skf21("3","5","7","5","5","2","4","1") = "6"
    & skf21("3","5","7","5","5","2","5","1") = "6"
    & skf21("3","5","7","5","5","2","6","1") = "6"
    & skf21("3","5","7","5","5","2","7","1") = "6"
    & skf21("3","5","7","5","5","3","1","1") = "6"
    & skf21("3","5","7","5","5","3","2","1") = "6"
    & skf21("3","5","7","5","5","3","3","1") = "6"
    & skf21("3","5","7","5","5","3","4","1") = "6"
    & skf21("3","5","7","5","5","3","5","1") = "6"
    & skf21("3","5","7","5","5","3","6","1") = "6"
    & skf21("3","5","7","5","5","3","7","1") = "6"
    & skf21("3","5","7","5","5","4","1","1") = "6"
    & skf21("3","5","7","5","5","4","2","1") = "6"
    & skf21("3","5","7","5","5","4","3","1") = "6"
    & skf21("3","5","7","5","5","4","4","1") = "6"
    & skf21("3","5","7","5","5","4","5","1") = "6"
    & skf21("3","5","7","5","5","4","6","1") = "6"
    & skf21("3","5","7","5","5","4","7","1") = "6"
    & skf21("3","5","7","5","5","5","1","1") = "6"
    & skf21("3","5","7","5","5","5","2","1") = "6"
    & skf21("3","5","7","5","5","5","3","1") = "6"
    & skf21("3","5","7","5","5","5","4","1") = "6"
    & skf21("3","5","7","5","5","5","5","1") = "6"
    & skf21("3","5","7","5","5","5","6","1") = "6"
    & skf21("3","5","7","5","5","5","7","1") = "6"
    & skf21("3","5","7","5","5","6","1","1") = "6"
    & skf21("3","5","7","5","5","6","2","1") = "6"
    & skf21("3","5","7","5","5","6","3","1") = "6"
    & skf21("3","5","7","5","5","6","4","1") = "6"
    & skf21("3","5","7","5","5","6","5","1") = "6"
    & skf21("3","5","7","5","5","6","6","1") = "6"
    & skf21("3","5","7","5","5","6","7","1") = "6"
    & skf21("3","5","7","5","5","7","1","1") = "6"
    & skf21("3","5","7","5","5","7","2","1") = "6"
    & skf21("3","5","7","5","5","7","3","1") = "6"
    & skf21("3","5","7","5","5","7","4","1") = "6"
    & skf21("3","5","7","5","5","7","5","1") = "6"
    & skf21("3","5","7","5","5","7","6","1") = "6"
    & skf21("3","5","7","5","5","7","7","1") = "6"
    & skf21("3","5","7","5","6","1","1","1") = "6"
    & skf21("3","5","7","5","6","1","2","1") = "6"
    & skf21("3","5","7","5","6","1","3","1") = "6"
    & skf21("3","5","7","5","6","1","4","1") = "6"
    & skf21("3","5","7","5","6","1","5","1") = "6"
    & skf21("3","5","7","5","6","1","6","1") = "6"
    & skf21("3","5","7","5","6","1","7","1") = "6"
    & skf21("3","5","7","5","6","2","1","1") = "6"
    & skf21("3","5","7","5","6","2","2","1") = "6"
    & skf21("3","5","7","5","6","2","3","1") = "6"
    & skf21("3","5","7","5","6","2","4","1") = "6"
    & skf21("3","5","7","5","6","2","5","1") = "6"
    & skf21("3","5","7","5","6","2","6","1") = "6"
    & skf21("3","5","7","5","6","2","7","1") = "6"
    & skf21("3","5","7","5","6","3","1","1") = "6"
    & skf21("3","5","7","5","6","3","2","1") = "6"
    & skf21("3","5","7","5","6","3","3","1") = "6"
    & skf21("3","5","7","5","6","3","4","1") = "6"
    & skf21("3","5","7","5","6","3","5","1") = "6"
    & skf21("3","5","7","5","6","3","6","1") = "6"
    & skf21("3","5","7","5","6","3","7","1") = "6"
    & skf21("3","5","7","5","6","4","1","1") = "6"
    & skf21("3","5","7","5","6","4","2","1") = "6"
    & skf21("3","5","7","5","6","4","3","1") = "6"
    & skf21("3","5","7","5","6","4","4","1") = "6"
    & skf21("3","5","7","5","6","4","5","1") = "6"
    & skf21("3","5","7","5","6","4","6","1") = "6"
    & skf21("3","5","7","5","6","4","7","1") = "6"
    & skf21("3","5","7","5","6","5","1","1") = "6"
    & skf21("3","5","7","5","6","5","2","1") = "6"
    & skf21("3","5","7","5","6","5","3","1") = "6"
    & skf21("3","5","7","5","6","5","4","1") = "6"
    & skf21("3","5","7","5","6","5","5","1") = "6"
    & skf21("3","5","7","5","6","5","6","1") = "6"
    & skf21("3","5","7","5","6","5","7","1") = "6"
    & skf21("3","5","7","5","6","6","1","1") = "6"
    & skf21("3","5","7","5","6","6","2","1") = "6"
    & skf21("3","5","7","5","6","6","3","1") = "6"
    & skf21("3","5","7","5","6","6","4","1") = "6"
    & skf21("3","5","7","5","6","6","5","1") = "6"
    & skf21("3","5","7","5","6","6","6","1") = "6"
    & skf21("3","5","7","5","6","6","7","1") = "6"
    & skf21("3","5","7","5","6","7","1","1") = "6"
    & skf21("3","5","7","5","6","7","2","1") = "6"
    & skf21("3","5","7","5","6","7","3","1") = "6"
    & skf21("3","5","7","5","6","7","4","1") = "6"
    & skf21("3","5","7","5","6","7","5","1") = "6"
    & skf21("3","5","7","5","6","7","6","1") = "6"
    & skf21("3","5","7","5","6","7","7","1") = "6"
    & skf21("3","5","7","5","7","1","1","1") = "6"
    & skf21("3","5","7","5","7","1","2","1") = "6"
    & skf21("3","5","7","5","7","1","3","1") = "6"
    & skf21("3","5","7","5","7","1","4","1") = "6"
    & skf21("3","5","7","5","7","1","5","1") = "6"
    & skf21("3","5","7","5","7","1","6","1") = "6"
    & skf21("3","5","7","5","7","1","7","1") = "6"
    & skf21("3","5","7","5","7","2","1","1") = "6"
    & skf21("3","5","7","5","7","2","2","1") = "6"
    & skf21("3","5","7","5","7","2","3","1") = "6"
    & skf21("3","5","7","5","7","2","4","1") = "6"
    & skf21("3","5","7","5","7","2","5","1") = "6"
    & skf21("3","5","7","5","7","2","6","1") = "6"
    & skf21("3","5","7","5","7","2","7","1") = "6"
    & skf21("3","5","7","5","7","3","1","1") = "6"
    & skf21("3","5","7","5","7","3","2","1") = "6"
    & skf21("3","5","7","5","7","3","3","1") = "6"
    & skf21("3","5","7","5","7","3","4","1") = "6"
    & skf21("3","5","7","5","7","3","5","1") = "6"
    & skf21("3","5","7","5","7","3","6","1") = "6"
    & skf21("3","5","7","5","7","3","7","1") = "6"
    & skf21("3","5","7","5","7","4","1","1") = "6"
    & skf21("3","5","7","5","7","4","2","1") = "6"
    & skf21("3","5","7","5","7","4","3","1") = "6"
    & skf21("3","5","7","5","7","4","4","1") = "6"
    & skf21("3","5","7","5","7","4","5","1") = "6"
    & skf21("3","5","7","5","7","4","6","1") = "6"
    & skf21("3","5","7","5","7","4","7","1") = "6"
    & skf21("3","5","7","5","7","5","1","1") = "6"
    & skf21("3","5","7","5","7","5","2","1") = "6"
    & skf21("3","5","7","5","7","5","3","1") = "6"
    & skf21("3","5","7","5","7","5","4","1") = "6"
    & skf21("3","5","7","5","7","5","5","1") = "6"
    & skf21("3","5","7","5","7","5","6","1") = "6"
    & skf21("3","5","7","5","7","5","7","1") = "6"
    & skf21("3","5","7","5","7","6","1","1") = "6"
    & skf21("3","5","7","5","7","6","2","1") = "6"
    & skf21("3","5","7","5","7","6","3","1") = "6"
    & skf21("3","5","7","5","7","6","4","1") = "6"
    & skf21("3","5","7","5","7","6","5","1") = "6"
    & skf21("3","5","7","5","7","6","6","1") = "6"
    & skf21("3","5","7","5","7","6","7","1") = "6"
    & skf21("3","5","7","5","7","7","1","1") = "6"
    & skf21("3","5","7","5","7","7","2","1") = "6"
    & skf21("3","5","7","5","7","7","3","1") = "6"
    & skf21("3","5","7","5","7","7","4","1") = "6"
    & skf21("3","5","7","5","7","7","5","1") = "6"
    & skf21("3","5","7","5","7","7","6","1") = "6"
    & skf21("3","5","7","5","7","7","7","1") = "6"
    & skf21("3","5","7","6","1","1","1","1") = "6"
    & skf21("3","5","7","6","1","1","2","1") = "6"
    & skf21("3","5","7","6","1","1","3","1") = "6"
    & skf21("3","5","7","6","1","1","4","1") = "6"
    & skf21("3","5","7","6","1","1","5","1") = "6"
    & skf21("3","5","7","6","1","1","6","1") = "6"
    & skf21("3","5","7","6","1","1","7","1") = "6"
    & skf21("3","5","7","6","1","2","1","1") = "6"
    & skf21("3","5","7","6","1","2","2","1") = "6"
    & skf21("3","5","7","6","1","2","3","1") = "6"
    & skf21("3","5","7","6","1","2","4","1") = "6"
    & skf21("3","5","7","6","1","2","5","1") = "6"
    & skf21("3","5","7","6","1","2","6","1") = "6"
    & skf21("3","5","7","6","1","2","7","1") = "6"
    & skf21("3","5","7","6","1","3","1","1") = "6"
    & skf21("3","5","7","6","1","3","2","1") = "6"
    & skf21("3","5","7","6","1","3","3","1") = "6"
    & skf21("3","5","7","6","1","3","4","1") = "6"
    & skf21("3","5","7","6","1","3","5","1") = "6"
    & skf21("3","5","7","6","1","3","6","1") = "6"
    & skf21("3","5","7","6","1","3","7","1") = "6"
    & skf21("3","5","7","6","1","4","1","1") = "6"
    & skf21("3","5","7","6","1","4","2","1") = "6"
    & skf21("3","5","7","6","1","4","3","1") = "6"
    & skf21("3","5","7","6","1","4","4","1") = "6"
    & skf21("3","5","7","6","1","4","5","1") = "6"
    & skf21("3","5","7","6","1","4","6","1") = "6"
    & skf21("3","5","7","6","1","4","7","1") = "6"
    & skf21("3","5","7","6","1","5","1","1") = "6"
    & skf21("3","5","7","6","1","5","2","1") = "6"
    & skf21("3","5","7","6","1","5","3","1") = "6"
    & skf21("3","5","7","6","1","5","4","1") = "6"
    & skf21("3","5","7","6","1","5","5","1") = "6"
    & skf21("3","5","7","6","1","5","6","1") = "6"
    & skf21("3","5","7","6","1","5","7","1") = "6"
    & skf21("3","5","7","6","1","6","1","1") = "6"
    & skf21("3","5","7","6","1","6","2","1") = "6"
    & skf21("3","5","7","6","1","6","3","1") = "6"
    & skf21("3","5","7","6","1","6","4","1") = "6"
    & skf21("3","5","7","6","1","6","5","1") = "6"
    & skf21("3","5","7","6","1","6","6","1") = "6"
    & skf21("3","5","7","6","1","6","7","1") = "6"
    & skf21("3","5","7","6","1","7","1","1") = "6"
    & skf21("3","5","7","6","1","7","2","1") = "6"
    & skf21("3","5","7","6","1","7","3","1") = "6"
    & skf21("3","5","7","6","1","7","4","1") = "6"
    & skf21("3","5","7","6","1","7","5","1") = "6"
    & skf21("3","5","7","6","1","7","6","1") = "6"
    & skf21("3","5","7","6","1","7","7","1") = "6"
    & skf21("3","5","7","6","2","1","1","1") = "6"
    & skf21("3","5","7","6","2","1","2","1") = "6"
    & skf21("3","5","7","6","2","1","3","1") = "6"
    & skf21("3","5","7","6","2","1","4","1") = "6"
    & skf21("3","5","7","6","2","1","5","1") = "6"
    & skf21("3","5","7","6","2","1","6","1") = "6"
    & skf21("3","5","7","6","2","1","7","1") = "6"
    & skf21("3","5","7","6","2","2","1","1") = "6"
    & skf21("3","5","7","6","2","2","2","1") = "6"
    & skf21("3","5","7","6","2","2","3","1") = "6"
    & skf21("3","5","7","6","2","2","4","1") = "6"
    & skf21("3","5","7","6","2","2","5","1") = "6"
    & skf21("3","5","7","6","2","2","6","1") = "6"
    & skf21("3","5","7","6","2","2","7","1") = "6"
    & skf21("3","5","7","6","2","3","1","1") = "6"
    & skf21("3","5","7","6","2","3","2","1") = "6"
    & skf21("3","5","7","6","2","3","3","1") = "6"
    & skf21("3","5","7","6","2","3","4","1") = "6"
    & skf21("3","5","7","6","2","3","5","1") = "6"
    & skf21("3","5","7","6","2","3","6","1") = "6"
    & skf21("3","5","7","6","2","3","7","1") = "6"
    & skf21("3","5","7","6","2","4","1","1") = "6"
    & skf21("3","5","7","6","2","4","2","1") = "6"
    & skf21("3","5","7","6","2","4","3","1") = "6"
    & skf21("3","5","7","6","2","4","4","1") = "6"
    & skf21("3","5","7","6","2","4","5","1") = "6"
    & skf21("3","5","7","6","2","4","6","1") = "6"
    & skf21("3","5","7","6","2","4","7","1") = "6"
    & skf21("3","5","7","6","2","5","1","1") = "6"
    & skf21("3","5","7","6","2","5","2","1") = "6"
    & skf21("3","5","7","6","2","5","3","1") = "6"
    & skf21("3","5","7","6","2","5","4","1") = "6"
    & skf21("3","5","7","6","2","5","5","1") = "6"
    & skf21("3","5","7","6","2","5","6","1") = "6"
    & skf21("3","5","7","6","2","5","7","1") = "6"
    & skf21("3","5","7","6","2","6","1","1") = "6"
    & skf21("3","5","7","6","2","6","2","1") = "6"
    & skf21("3","5","7","6","2","6","3","1") = "6"
    & skf21("3","5","7","6","2","6","4","1") = "6"
    & skf21("3","5","7","6","2","6","5","1") = "6"
    & skf21("3","5","7","6","2","6","6","1") = "6"
    & skf21("3","5","7","6","2","6","7","1") = "6"
    & skf21("3","5","7","6","2","7","1","1") = "6"
    & skf21("3","5","7","6","2","7","2","1") = "6"
    & skf21("3","5","7","6","2","7","3","1") = "6"
    & skf21("3","5","7","6","2","7","4","1") = "6"
    & skf21("3","5","7","6","2","7","5","1") = "6"
    & skf21("3","5","7","6","2","7","6","1") = "6"
    & skf21("3","5","7","6","2","7","7","1") = "6"
    & skf21("3","5","7","6","3","1","1","1") = "6"
    & skf21("3","5","7","6","3","1","2","1") = "6"
    & skf21("3","5","7","6","3","1","3","1") = "6"
    & skf21("3","5","7","6","3","1","4","1") = "6"
    & skf21("3","5","7","6","3","1","5","1") = "6"
    & skf21("3","5","7","6","3","1","6","1") = "6"
    & skf21("3","5","7","6","3","1","7","1") = "6"
    & skf21("3","5","7","6","3","2","1","1") = "6"
    & skf21("3","5","7","6","3","2","2","1") = "6"
    & skf21("3","5","7","6","3","2","3","1") = "6"
    & skf21("3","5","7","6","3","2","4","1") = "6"
    & skf21("3","5","7","6","3","2","5","1") = "6"
    & skf21("3","5","7","6","3","2","6","1") = "6"
    & skf21("3","5","7","6","3","2","7","1") = "6"
    & skf21("3","5","7","6","3","3","1","1") = "6"
    & skf21("3","5","7","6","3","3","2","1") = "6"
    & skf21("3","5","7","6","3","3","3","1") = "6"
    & skf21("3","5","7","6","3","3","4","1") = "6"
    & skf21("3","5","7","6","3","3","5","1") = "6"
    & skf21("3","5","7","6","3","3","6","1") = "6"
    & skf21("3","5","7","6","3","3","7","1") = "6"
    & skf21("3","5","7","6","3","4","1","1") = "6"
    & skf21("3","5","7","6","3","4","2","1") = "6"
    & skf21("3","5","7","6","3","4","3","1") = "6"
    & skf21("3","5","7","6","3","4","4","1") = "6"
    & skf21("3","5","7","6","3","4","5","1") = "6"
    & skf21("3","5","7","6","3","4","6","1") = "6"
    & skf21("3","5","7","6","3","4","7","1") = "6"
    & skf21("3","5","7","6","3","5","1","1") = "6"
    & skf21("3","5","7","6","3","5","2","1") = "6"
    & skf21("3","5","7","6","3","5","3","1") = "6"
    & skf21("3","5","7","6","3","5","4","1") = "6"
    & skf21("3","5","7","6","3","5","5","1") = "6"
    & skf21("3","5","7","6","3","5","6","1") = "6"
    & skf21("3","5","7","6","3","5","7","1") = "6"
    & skf21("3","5","7","6","3","6","1","1") = "6"
    & skf21("3","5","7","6","3","6","2","1") = "6"
    & skf21("3","5","7","6","3","6","3","1") = "6"
    & skf21("3","5","7","6","3","6","4","1") = "6"
    & skf21("3","5","7","6","3","6","5","1") = "6"
    & skf21("3","5","7","6","3","6","6","1") = "6"
    & skf21("3","5","7","6","3","6","7","1") = "6"
    & skf21("3","5","7","6","3","7","1","1") = "6"
    & skf21("3","5","7","6","3","7","2","1") = "6"
    & skf21("3","5","7","6","3","7","3","1") = "6"
    & skf21("3","5","7","6","3","7","4","1") = "6"
    & skf21("3","5","7","6","3","7","5","1") = "6"
    & skf21("3","5","7","6","3","7","6","1") = "6"
    & skf21("3","5","7","6","3","7","7","1") = "6"
    & skf21("3","5","7","6","4","1","1","1") = "6"
    & skf21("3","5","7","6","4","1","2","1") = "6"
    & skf21("3","5","7","6","4","1","3","1") = "6"
    & skf21("3","5","7","6","4","1","4","1") = "6"
    & skf21("3","5","7","6","4","1","5","1") = "6"
    & skf21("3","5","7","6","4","1","6","1") = "6"
    & skf21("3","5","7","6","4","1","7","1") = "6"
    & skf21("3","5","7","6","4","2","1","1") = "6"
    & skf21("3","5","7","6","4","2","2","1") = "6"
    & skf21("3","5","7","6","4","2","3","1") = "6"
    & skf21("3","5","7","6","4","2","4","1") = "6"
    & skf21("3","5","7","6","4","2","5","1") = "6"
    & skf21("3","5","7","6","4","2","6","1") = "6"
    & skf21("3","5","7","6","4","2","7","1") = "6"
    & skf21("3","5","7","6","4","3","1","1") = "6"
    & skf21("3","5","7","6","4","3","2","1") = "6"
    & skf21("3","5","7","6","4","3","3","1") = "6"
    & skf21("3","5","7","6","4","3","4","1") = "6"
    & skf21("3","5","7","6","4","3","5","1") = "6"
    & skf21("3","5","7","6","4","3","6","1") = "6"
    & skf21("3","5","7","6","4","3","7","1") = "6"
    & skf21("3","5","7","6","4","4","1","1") = "6"
    & skf21("3","5","7","6","4","4","2","1") = "6"
    & skf21("3","5","7","6","4","4","3","1") = "6"
    & skf21("3","5","7","6","4","4","4","1") = "6"
    & skf21("3","5","7","6","4","4","5","1") = "6"
    & skf21("3","5","7","6","4","4","6","1") = "6"
    & skf21("3","5","7","6","4","4","7","1") = "6"
    & skf21("3","5","7","6","4","5","1","1") = "6"
    & skf21("3","5","7","6","4","5","2","1") = "6"
    & skf21("3","5","7","6","4","5","3","1") = "6"
    & skf21("3","5","7","6","4","5","4","1") = "6"
    & skf21("3","5","7","6","4","5","5","1") = "6"
    & skf21("3","5","7","6","4","5","6","1") = "6"
    & skf21("3","5","7","6","4","5","7","1") = "6"
    & skf21("3","5","7","6","4","6","1","1") = "6"
    & skf21("3","5","7","6","4","6","2","1") = "6"
    & skf21("3","5","7","6","4","6","3","1") = "6"
    & skf21("3","5","7","6","4","6","4","1") = "6"
    & skf21("3","5","7","6","4","6","5","1") = "6"
    & skf21("3","5","7","6","4","6","6","1") = "6"
    & skf21("3","5","7","6","4","6","7","1") = "6"
    & skf21("3","5","7","6","4","7","1","1") = "6"
    & skf21("3","5","7","6","4","7","2","1") = "6"
    & skf21("3","5","7","6","4","7","3","1") = "6"
    & skf21("3","5","7","6","4","7","4","1") = "6"
    & skf21("3","5","7","6","4","7","5","1") = "6"
    & skf21("3","5","7","6","4","7","6","1") = "6"
    & skf21("3","5","7","6","4","7","7","1") = "6"
    & skf21("3","5","7","6","5","1","1","1") = "6"
    & skf21("3","5","7","6","5","1","2","1") = "6"
    & skf21("3","5","7","6","5","1","3","1") = "6"
    & skf21("3","5","7","6","5","1","4","1") = "6"
    & skf21("3","5","7","6","5","1","5","1") = "6"
    & skf21("3","5","7","6","5","1","6","1") = "6"
    & skf21("3","5","7","6","5","1","7","1") = "6"
    & skf21("3","5","7","6","5","2","1","1") = "6"
    & skf21("3","5","7","6","5","2","2","1") = "6"
    & skf21("3","5","7","6","5","2","3","1") = "6"
    & skf21("3","5","7","6","5","2","4","1") = "6"
    & skf21("3","5","7","6","5","2","5","1") = "6"
    & skf21("3","5","7","6","5","2","6","1") = "6"
    & skf21("3","5","7","6","5","2","7","1") = "6"
    & skf21("3","5","7","6","5","3","1","1") = "6"
    & skf21("3","5","7","6","5","3","2","1") = "6"
    & skf21("3","5","7","6","5","3","3","1") = "6"
    & skf21("3","5","7","6","5","3","4","1") = "6"
    & skf21("3","5","7","6","5","3","5","1") = "6"
    & skf21("3","5","7","6","5","3","6","1") = "6"
    & skf21("3","5","7","6","5","3","7","1") = "6"
    & skf21("3","5","7","6","5","4","1","1") = "6"
    & skf21("3","5","7","6","5","4","2","1") = "6"
    & skf21("3","5","7","6","5","4","3","1") = "6"
    & skf21("3","5","7","6","5","4","4","1") = "6"
    & skf21("3","5","7","6","5","4","5","1") = "6"
    & skf21("3","5","7","6","5","4","6","1") = "6"
    & skf21("3","5","7","6","5","4","7","1") = "6"
    & skf21("3","5","7","6","5","5","1","1") = "6"
    & skf21("3","5","7","6","5","5","2","1") = "6"
    & skf21("3","5","7","6","5","5","3","1") = "6"
    & skf21("3","5","7","6","5","5","4","1") = "6"
    & skf21("3","5","7","6","5","5","5","1") = "6"
    & skf21("3","5","7","6","5","5","6","1") = "6"
    & skf21("3","5","7","6","5","5","7","1") = "6"
    & skf21("3","5","7","6","5","6","1","1") = "6"
    & skf21("3","5","7","6","5","6","2","1") = "6"
    & skf21("3","5","7","6","5","6","3","1") = "6"
    & skf21("3","5","7","6","5","6","4","1") = "6"
    & skf21("3","5","7","6","5","6","5","1") = "6"
    & skf21("3","5","7","6","5","6","6","1") = "6"
    & skf21("3","5","7","6","5","6","7","1") = "6"
    & skf21("3","5","7","6","5","7","1","1") = "6"
    & skf21("3","5","7","6","5","7","2","1") = "6"
    & skf21("3","5","7","6","5","7","3","1") = "6"
    & skf21("3","5","7","6","5","7","4","1") = "6"
    & skf21("3","5","7","6","5","7","5","1") = "6"
    & skf21("3","5","7","6","5","7","6","1") = "6"
    & skf21("3","5","7","6","5","7","7","1") = "6"
    & skf21("3","5","7","6","6","1","1","1") = "6"
    & skf21("3","5","7","6","6","1","2","1") = "6"
    & skf21("3","5","7","6","6","1","3","1") = "6"
    & skf21("3","5","7","6","6","1","4","1") = "6"
    & skf21("3","5","7","6","6","1","5","1") = "6"
    & skf21("3","5","7","6","6","1","6","1") = "6"
    & skf21("3","5","7","6","6","1","7","1") = "6"
    & skf21("3","5","7","6","6","2","1","1") = "6"
    & skf21("3","5","7","6","6","2","2","1") = "6"
    & skf21("3","5","7","6","6","2","3","1") = "6"
    & skf21("3","5","7","6","6","2","4","1") = "6"
    & skf21("3","5","7","6","6","2","5","1") = "6"
    & skf21("3","5","7","6","6","2","6","1") = "6"
    & skf21("3","5","7","6","6","2","7","1") = "6"
    & skf21("3","5","7","6","6","3","1","1") = "6"
    & skf21("3","5","7","6","6","3","2","1") = "6"
    & skf21("3","5","7","6","6","3","3","1") = "6"
    & skf21("3","5","7","6","6","3","4","1") = "6"
    & skf21("3","5","7","6","6","3","5","1") = "6"
    & skf21("3","5","7","6","6","3","6","1") = "6"
    & skf21("3","5","7","6","6","3","7","1") = "6"
    & skf21("3","5","7","6","6","4","1","1") = "6"
    & skf21("3","5","7","6","6","4","2","1") = "6"
    & skf21("3","5","7","6","6","4","3","1") = "6"
    & skf21("3","5","7","6","6","4","4","1") = "6"
    & skf21("3","5","7","6","6","4","5","1") = "6"
    & skf21("3","5","7","6","6","4","6","1") = "6"
    & skf21("3","5","7","6","6","4","7","1") = "6"
    & skf21("3","5","7","6","6","5","1","1") = "6"
    & skf21("3","5","7","6","6","5","2","1") = "6"
    & skf21("3","5","7","6","6","5","3","1") = "6"
    & skf21("3","5","7","6","6","5","4","1") = "6"
    & skf21("3","5","7","6","6","5","5","1") = "6"
    & skf21("3","5","7","6","6","5","6","1") = "6"
    & skf21("3","5","7","6","6","5","7","1") = "6"
    & skf21("3","5","7","6","6","6","1","1") = "6"
    & skf21("3","5","7","6","6","6","2","1") = "6"
    & skf21("3","5","7","6","6","6","3","1") = "6"
    & skf21("3","5","7","6","6","6","4","1") = "6"
    & skf21("3","5","7","6","6","6","5","1") = "6"
    & skf21("3","5","7","6","6","6","6","1") = "6"
    & skf21("3","5","7","6","6","6","7","1") = "6"
    & skf21("3","5","7","6","6","7","1","1") = "6"
    & skf21("3","5","7","6","6","7","2","1") = "6"
    & skf21("3","5","7","6","6","7","3","1") = "6"
    & skf21("3","5","7","6","6","7","4","1") = "6"
    & skf21("3","5","7","6","6","7","5","1") = "6"
    & skf21("3","5","7","6","6","7","6","1") = "6"
    & skf21("3","5","7","6","6","7","7","1") = "6"
    & skf21("3","5","7","6","7","1","1","1") = "6"
    & skf21("3","5","7","6","7","1","2","1") = "6"
    & skf21("3","5","7","6","7","1","3","1") = "6"
    & skf21("3","5","7","6","7","1","4","1") = "6"
    & skf21("3","5","7","6","7","1","5","1") = "6"
    & skf21("3","5","7","6","7","1","6","1") = "6"
    & skf21("3","5","7","6","7","1","7","1") = "6"
    & skf21("3","5","7","6","7","2","1","1") = "6"
    & skf21("3","5","7","6","7","2","2","1") = "6"
    & skf21("3","5","7","6","7","2","3","1") = "6"
    & skf21("3","5","7","6","7","2","4","1") = "6"
    & skf21("3","5","7","6","7","2","5","1") = "6"
    & skf21("3","5","7","6","7","2","6","1") = "6"
    & skf21("3","5","7","6","7","2","7","1") = "6"
    & skf21("3","5","7","6","7","3","1","1") = "6"
    & skf21("3","5","7","6","7","3","2","1") = "6"
    & skf21("3","5","7","6","7","3","3","1") = "6"
    & skf21("3","5","7","6","7","3","4","1") = "6"
    & skf21("3","5","7","6","7","3","5","1") = "6"
    & skf21("3","5","7","6","7","3","6","1") = "6"
    & skf21("3","5","7","6","7","3","7","1") = "6"
    & skf21("3","5","7","6","7","4","1","1") = "6"
    & skf21("3","5","7","6","7","4","2","1") = "6"
    & skf21("3","5","7","6","7","4","3","1") = "6"
    & skf21("3","5","7","6","7","4","4","1") = "6"
    & skf21("3","5","7","6","7","4","5","1") = "6"
    & skf21("3","5","7","6","7","4","6","1") = "6"
    & skf21("3","5","7","6","7","4","7","1") = "6"
    & skf21("3","5","7","6","7","5","1","1") = "6"
    & skf21("3","5","7","6","7","5","2","1") = "6"
    & skf21("3","5","7","6","7","5","3","1") = "6"
    & skf21("3","5","7","6","7","5","4","1") = "6"
    & skf21("3","5","7","6","7","5","5","1") = "6"
    & skf21("3","5","7","6","7","5","6","1") = "6"
    & skf21("3","5","7","6","7","5","7","1") = "6"
    & skf21("3","5","7","6","7","6","1","1") = "6"
    & skf21("3","5","7","6","7","6","2","1") = "6"
    & skf21("3","5","7","6","7","6","3","1") = "6"
    & skf21("3","5","7","6","7","6","4","1") = "6"
    & skf21("3","5","7","6","7","6","5","1") = "6"
    & skf21("3","5","7","6","7","6","6","1") = "6"
    & skf21("3","5","7","6","7","6","7","1") = "6"
    & skf21("3","5","7","6","7","7","1","1") = "6"
    & skf21("3","5","7","6","7","7","2","1") = "6"
    & skf21("3","5","7","6","7","7","3","1") = "6"
    & skf21("3","5","7","6","7","7","4","1") = "6"
    & skf21("3","5","7","6","7","7","5","1") = "6"
    & skf21("3","5","7","6","7","7","6","1") = "6"
    & skf21("3","5","7","6","7","7","7","1") = "6"
    & skf21("3","5","7","7","1","1","1","1") = "6"
    & skf21("3","5","7","7","1","1","2","1") = "6"
    & skf21("3","5","7","7","1","1","3","1") = "6"
    & skf21("3","5","7","7","1","1","4","1") = "6"
    & skf21("3","5","7","7","1","1","5","1") = "6"
    & skf21("3","5","7","7","1","1","6","1") = "6"
    & skf21("3","5","7","7","1","1","7","1") = "6"
    & skf21("3","5","7","7","1","2","1","1") = "6"
    & skf21("3","5","7","7","1","2","2","1") = "6"
    & skf21("3","5","7","7","1","2","3","1") = "6"
    & skf21("3","5","7","7","1","2","4","1") = "6"
    & skf21("3","5","7","7","1","2","5","1") = "6"
    & skf21("3","5","7","7","1","2","6","1") = "6"
    & skf21("3","5","7","7","1","2","7","1") = "6"
    & skf21("3","5","7","7","1","3","1","1") = "6"
    & skf21("3","5","7","7","1","3","2","1") = "6"
    & skf21("3","5","7","7","1","3","3","1") = "6"
    & skf21("3","5","7","7","1","3","4","1") = "6"
    & skf21("3","5","7","7","1","3","5","1") = "6"
    & skf21("3","5","7","7","1","3","6","1") = "6"
    & skf21("3","5","7","7","1","3","7","1") = "6"
    & skf21("3","5","7","7","1","4","1","1") = "6"
    & skf21("3","5","7","7","1","4","2","1") = "6"
    & skf21("3","5","7","7","1","4","3","1") = "6"
    & skf21("3","5","7","7","1","4","4","1") = "6"
    & skf21("3","5","7","7","1","4","5","1") = "6"
    & skf21("3","5","7","7","1","4","6","1") = "6"
    & skf21("3","5","7","7","1","4","7","1") = "6"
    & skf21("3","5","7","7","1","5","1","1") = "6"
    & skf21("3","5","7","7","1","5","2","1") = "6"
    & skf21("3","5","7","7","1","5","3","1") = "6"
    & skf21("3","5","7","7","1","5","4","1") = "6"
    & skf21("3","5","7","7","1","5","5","1") = "6"
    & skf21("3","5","7","7","1","5","6","1") = "6"
    & skf21("3","5","7","7","1","5","7","1") = "6"
    & skf21("3","5","7","7","1","6","1","1") = "6"
    & skf21("3","5","7","7","1","6","2","1") = "6"
    & skf21("3","5","7","7","1","6","3","1") = "6"
    & skf21("3","5","7","7","1","6","4","1") = "6"
    & skf21("3","5","7","7","1","6","5","1") = "6"
    & skf21("3","5","7","7","1","6","6","1") = "6"
    & skf21("3","5","7","7","1","6","7","1") = "6"
    & skf21("3","5","7","7","1","7","1","1") = "6"
    & skf21("3","5","7","7","1","7","2","1") = "6"
    & skf21("3","5","7","7","1","7","3","1") = "6"
    & skf21("3","5","7","7","1","7","4","1") = "6"
    & skf21("3","5","7","7","1","7","5","1") = "6"
    & skf21("3","5","7","7","1","7","6","1") = "6"
    & skf21("3","5","7","7","1","7","7","1") = "6"
    & skf21("3","5","7","7","2","1","1","1") = "6"
    & skf21("3","5","7","7","2","1","2","1") = "6"
    & skf21("3","5","7","7","2","1","3","1") = "6"
    & skf21("3","5","7","7","2","1","4","1") = "6"
    & skf21("3","5","7","7","2","1","5","1") = "6"
    & skf21("3","5","7","7","2","1","6","1") = "6"
    & skf21("3","5","7","7","2","1","7","1") = "6"
    & skf21("3","5","7","7","2","2","1","1") = "6"
    & skf21("3","5","7","7","2","2","2","1") = "6"
    & skf21("3","5","7","7","2","2","3","1") = "6"
    & skf21("3","5","7","7","2","2","4","1") = "6"
    & skf21("3","5","7","7","2","2","5","1") = "6"
    & skf21("3","5","7","7","2","2","6","1") = "6"
    & skf21("3","5","7","7","2","2","7","1") = "6"
    & skf21("3","5","7","7","2","3","1","1") = "6"
    & skf21("3","5","7","7","2","3","2","1") = "6"
    & skf21("3","5","7","7","2","3","3","1") = "6"
    & skf21("3","5","7","7","2","3","4","1") = "6"
    & skf21("3","5","7","7","2","3","5","1") = "6"
    & skf21("3","5","7","7","2","3","6","1") = "6"
    & skf21("3","5","7","7","2","3","7","1") = "6"
    & skf21("3","5","7","7","2","4","1","1") = "6"
    & skf21("3","5","7","7","2","4","2","1") = "6"
    & skf21("3","5","7","7","2","4","3","1") = "6"
    & skf21("3","5","7","7","2","4","4","1") = "6"
    & skf21("3","5","7","7","2","4","5","1") = "6"
    & skf21("3","5","7","7","2","4","6","1") = "6"
    & skf21("3","5","7","7","2","4","7","1") = "6"
    & skf21("3","5","7","7","2","5","1","1") = "6"
    & skf21("3","5","7","7","2","5","2","1") = "6"
    & skf21("3","5","7","7","2","5","3","1") = "6"
    & skf21("3","5","7","7","2","5","4","1") = "6"
    & skf21("3","5","7","7","2","5","5","1") = "6"
    & skf21("3","5","7","7","2","5","6","1") = "6"
    & skf21("3","5","7","7","2","5","7","1") = "6"
    & skf21("3","5","7","7","2","6","1","1") = "6"
    & skf21("3","5","7","7","2","6","2","1") = "6"
    & skf21("3","5","7","7","2","6","3","1") = "6"
    & skf21("3","5","7","7","2","6","4","1") = "6"
    & skf21("3","5","7","7","2","6","5","1") = "6"
    & skf21("3","5","7","7","2","6","6","1") = "6"
    & skf21("3","5","7","7","2","6","7","1") = "6"
    & skf21("3","5","7","7","2","7","1","1") = "6"
    & skf21("3","5","7","7","2","7","2","1") = "6"
    & skf21("3","5","7","7","2","7","3","1") = "6"
    & skf21("3","5","7","7","2","7","4","1") = "6"
    & skf21("3","5","7","7","2","7","5","1") = "6"
    & skf21("3","5","7","7","2","7","6","1") = "6"
    & skf21("3","5","7","7","2","7","7","1") = "6"
    & skf21("3","5","7","7","3","1","1","1") = "6"
    & skf21("3","5","7","7","3","1","2","1") = "6"
    & skf21("3","5","7","7","3","1","3","1") = "6"
    & skf21("3","5","7","7","3","1","4","1") = "6"
    & skf21("3","5","7","7","3","1","5","1") = "6"
    & skf21("3","5","7","7","3","1","6","1") = "6"
    & skf21("3","5","7","7","3","1","7","1") = "6"
    & skf21("3","5","7","7","3","2","1","1") = "6"
    & skf21("3","5","7","7","3","2","2","1") = "6"
    & skf21("3","5","7","7","3","2","3","1") = "6"
    & skf21("3","5","7","7","3","2","4","1") = "6"
    & skf21("3","5","7","7","3","2","5","1") = "6"
    & skf21("3","5","7","7","3","2","6","1") = "6"
    & skf21("3","5","7","7","3","2","7","1") = "6"
    & skf21("3","5","7","7","3","3","1","1") = "6"
    & skf21("3","5","7","7","3","3","2","1") = "6"
    & skf21("3","5","7","7","3","3","3","1") = "6"
    & skf21("3","5","7","7","3","3","4","1") = "6"
    & skf21("3","5","7","7","3","3","5","1") = "6"
    & skf21("3","5","7","7","3","3","6","1") = "6"
    & skf21("3","5","7","7","3","3","7","1") = "6"
    & skf21("3","5","7","7","3","4","1","1") = "6"
    & skf21("3","5","7","7","3","4","2","1") = "6"
    & skf21("3","5","7","7","3","4","3","1") = "6"
    & skf21("3","5","7","7","3","4","4","1") = "6"
    & skf21("3","5","7","7","3","4","5","1") = "6"
    & skf21("3","5","7","7","3","4","6","1") = "6"
    & skf21("3","5","7","7","3","4","7","1") = "6"
    & skf21("3","5","7","7","3","5","1","1") = "6"
    & skf21("3","5","7","7","3","5","2","1") = "6"
    & skf21("3","5","7","7","3","5","3","1") = "6"
    & skf21("3","5","7","7","3","5","4","1") = "6"
    & skf21("3","5","7","7","3","5","5","1") = "6"
    & skf21("3","5","7","7","3","5","6","1") = "6"
    & skf21("3","5","7","7","3","5","7","1") = "6"
    & skf21("3","5","7","7","3","6","1","1") = "6"
    & skf21("3","5","7","7","3","6","2","1") = "6"
    & skf21("3","5","7","7","3","6","3","1") = "6"
    & skf21("3","5","7","7","3","6","4","1") = "6"
    & skf21("3","5","7","7","3","6","5","1") = "6"
    & skf21("3","5","7","7","3","6","6","1") = "6"
    & skf21("3","5","7","7","3","6","7","1") = "6"
    & skf21("3","5","7","7","3","7","1","1") = "6"
    & skf21("3","5","7","7","3","7","2","1") = "6"
    & skf21("3","5","7","7","3","7","3","1") = "6"
    & skf21("3","5","7","7","3","7","4","1") = "6"
    & skf21("3","5","7","7","3","7","5","1") = "6"
    & skf21("3","5","7","7","3","7","6","1") = "6"
    & skf21("3","5","7","7","3","7","7","1") = "6"
    & skf21("3","5","7","7","4","1","1","1") = "6"
    & skf21("3","5","7","7","4","1","2","1") = "6"
    & skf21("3","5","7","7","4","1","3","1") = "6"
    & skf21("3","5","7","7","4","1","4","1") = "6"
    & skf21("3","5","7","7","4","1","5","1") = "6"
    & skf21("3","5","7","7","4","1","6","1") = "6"
    & skf21("3","5","7","7","4","1","7","1") = "6"
    & skf21("3","5","7","7","4","2","1","1") = "6"
    & skf21("3","5","7","7","4","2","2","1") = "6"
    & skf21("3","5","7","7","4","2","3","1") = "6"
    & skf21("3","5","7","7","4","2","4","1") = "6"
    & skf21("3","5","7","7","4","2","5","1") = "6"
    & skf21("3","5","7","7","4","2","6","1") = "6"
    & skf21("3","5","7","7","4","2","7","1") = "6"
    & skf21("3","5","7","7","4","3","1","1") = "6"
    & skf21("3","5","7","7","4","3","2","1") = "6"
    & skf21("3","5","7","7","4","3","3","1") = "6"
    & skf21("3","5","7","7","4","3","4","1") = "6"
    & skf21("3","5","7","7","4","3","5","1") = "6"
    & skf21("3","5","7","7","4","3","6","1") = "6"
    & skf21("3","5","7","7","4","3","7","1") = "6"
    & skf21("3","5","7","7","4","4","1","1") = "6"
    & skf21("3","5","7","7","4","4","2","1") = "6"
    & skf21("3","5","7","7","4","4","3","1") = "6"
    & skf21("3","5","7","7","4","4","4","1") = "6"
    & skf21("3","5","7","7","4","4","5","1") = "6"
    & skf21("3","5","7","7","4","4","6","1") = "6"
    & skf21("3","5","7","7","4","4","7","1") = "6"
    & skf21("3","5","7","7","4","5","1","1") = "6"
    & skf21("3","5","7","7","4","5","2","1") = "6"
    & skf21("3","5","7","7","4","5","3","1") = "6"
    & skf21("3","5","7","7","4","5","4","1") = "6"
    & skf21("3","5","7","7","4","5","5","1") = "6"
    & skf21("3","5","7","7","4","5","6","1") = "6"
    & skf21("3","5","7","7","4","5","7","1") = "6"
    & skf21("3","5","7","7","4","6","1","1") = "6"
    & skf21("3","5","7","7","4","6","2","1") = "6"
    & skf21("3","5","7","7","4","6","3","1") = "6"
    & skf21("3","5","7","7","4","6","4","1") = "6"
    & skf21("3","5","7","7","4","6","5","1") = "6"
    & skf21("3","5","7","7","4","6","6","1") = "6"
    & skf21("3","5","7","7","4","6","7","1") = "6"
    & skf21("3","5","7","7","4","7","1","1") = "6"
    & skf21("3","5","7","7","4","7","2","1") = "6"
    & skf21("3","5","7","7","4","7","3","1") = "6"
    & skf21("3","5","7","7","4","7","4","1") = "6"
    & skf21("3","5","7","7","4","7","5","1") = "6"
    & skf21("3","5","7","7","4","7","6","1") = "6"
    & skf21("3","5","7","7","4","7","7","1") = "6"
    & skf21("3","5","7","7","5","1","1","1") = "6"
    & skf21("3","5","7","7","5","1","2","1") = "6"
    & skf21("3","5","7","7","5","1","3","1") = "6"
    & skf21("3","5","7","7","5","1","4","1") = "6"
    & skf21("3","5","7","7","5","1","5","1") = "6"
    & skf21("3","5","7","7","5","1","6","1") = "6"
    & skf21("3","5","7","7","5","1","7","1") = "6"
    & skf21("3","5","7","7","5","2","1","1") = "6"
    & skf21("3","5","7","7","5","2","2","1") = "6"
    & skf21("3","5","7","7","5","2","3","1") = "6"
    & skf21("3","5","7","7","5","2","4","1") = "6"
    & skf21("3","5","7","7","5","2","5","1") = "6"
    & skf21("3","5","7","7","5","2","6","1") = "6"
    & skf21("3","5","7","7","5","2","7","1") = "6"
    & skf21("3","5","7","7","5","3","1","1") = "6"
    & skf21("3","5","7","7","5","3","2","1") = "6"
    & skf21("3","5","7","7","5","3","3","1") = "6"
    & skf21("3","5","7","7","5","3","4","1") = "6"
    & skf21("3","5","7","7","5","3","5","1") = "6"
    & skf21("3","5","7","7","5","3","6","1") = "6"
    & skf21("3","5","7","7","5","3","7","1") = "6"
    & skf21("3","5","7","7","5","4","1","1") = "6"
    & skf21("3","5","7","7","5","4","2","1") = "6"
    & skf21("3","5","7","7","5","4","3","1") = "6"
    & skf21("3","5","7","7","5","4","4","1") = "6"
    & skf21("3","5","7","7","5","4","5","1") = "6"
    & skf21("3","5","7","7","5","4","6","1") = "6"
    & skf21("3","5","7","7","5","4","7","1") = "6"
    & skf21("3","5","7","7","5","5","1","1") = "6"
    & skf21("3","5","7","7","5","5","2","1") = "6"
    & skf21("3","5","7","7","5","5","3","1") = "6"
    & skf21("3","5","7","7","5","5","4","1") = "6"
    & skf21("3","5","7","7","5","5","5","1") = "6"
    & skf21("3","5","7","7","5","5","6","1") = "6"
    & skf21("3","5","7","7","5","5","7","1") = "6"
    & skf21("3","5","7","7","5","6","1","1") = "6"
    & skf21("3","5","7","7","5","6","2","1") = "6"
    & skf21("3","5","7","7","5","6","3","1") = "6"
    & skf21("3","5","7","7","5","6","4","1") = "6"
    & skf21("3","5","7","7","5","6","5","1") = "6"
    & skf21("3","5","7","7","5","6","6","1") = "6"
    & skf21("3","5","7","7","5","6","7","1") = "6"
    & skf21("3","5","7","7","5","7","1","1") = "6"
    & skf21("3","5","7","7","5","7","2","1") = "6"
    & skf21("3","5","7","7","5","7","3","1") = "6"
    & skf21("3","5","7","7","5","7","4","1") = "6"
    & skf21("3","5","7","7","5","7","5","1") = "6"
    & skf21("3","5","7","7","5","7","6","1") = "6"
    & skf21("3","5","7","7","5","7","7","1") = "6"
    & skf21("3","5","7","7","6","1","1","1") = "6"
    & skf21("3","5","7","7","6","1","2","1") = "6"
    & skf21("3","5","7","7","6","1","3","1") = "6"
    & skf21("3","5","7","7","6","1","4","1") = "6"
    & skf21("3","5","7","7","6","1","5","1") = "6"
    & skf21("3","5","7","7","6","1","6","1") = "6"
    & skf21("3","5","7","7","6","1","7","1") = "6"
    & skf21("3","5","7","7","6","2","1","1") = "6"
    & skf21("3","5","7","7","6","2","2","1") = "6"
    & skf21("3","5","7","7","6","2","3","1") = "6"
    & skf21("3","5","7","7","6","2","4","1") = "6"
    & skf21("3","5","7","7","6","2","5","1") = "6"
    & skf21("3","5","7","7","6","2","6","1") = "6"
    & skf21("3","5","7","7","6","2","7","1") = "6"
    & skf21("3","5","7","7","6","3","1","1") = "6"
    & skf21("3","5","7","7","6","3","2","1") = "6"
    & skf21("3","5","7","7","6","3","3","1") = "6"
    & skf21("3","5","7","7","6","3","4","1") = "6"
    & skf21("3","5","7","7","6","3","5","1") = "6"
    & skf21("3","5","7","7","6","3","6","1") = "6"
    & skf21("3","5","7","7","6","3","7","1") = "6"
    & skf21("3","5","7","7","6","4","1","1") = "6"
    & skf21("3","5","7","7","6","4","2","1") = "6"
    & skf21("3","5","7","7","6","4","3","1") = "6"
    & skf21("3","5","7","7","6","4","4","1") = "6"
    & skf21("3","5","7","7","6","4","5","1") = "6"
    & skf21("3","5","7","7","6","4","6","1") = "6"
    & skf21("3","5","7","7","6","4","7","1") = "6"
    & skf21("3","5","7","7","6","5","1","1") = "6"
    & skf21("3","5","7","7","6","5","2","1") = "6"
    & skf21("3","5","7","7","6","5","3","1") = "6"
    & skf21("3","5","7","7","6","5","4","1") = "6"
    & skf21("3","5","7","7","6","5","5","1") = "6"
    & skf21("3","5","7","7","6","5","6","1") = "6"
    & skf21("3","5","7","7","6","5","7","1") = "6"
    & skf21("3","5","7","7","6","6","1","1") = "6"
    & skf21("3","5","7","7","6","6","2","1") = "6"
    & skf21("3","5","7","7","6","6","3","1") = "6"
    & skf21("3","5","7","7","6","6","4","1") = "6"
    & skf21("3","5","7","7","6","6","5","1") = "6"
    & skf21("3","5","7","7","6","6","6","1") = "6"
    & skf21("3","5","7","7","6","6","7","1") = "6"
    & skf21("3","5","7","7","6","7","1","1") = "6"
    & skf21("3","5","7","7","6","7","2","1") = "6"
    & skf21("3","5","7","7","6","7","3","1") = "6"
    & skf21("3","5","7","7","6","7","4","1") = "6"
    & skf21("3","5","7","7","6","7","5","1") = "6"
    & skf21("3","5","7","7","6","7","6","1") = "6"
    & skf21("3","5","7","7","6","7","7","1") = "6"
    & skf21("3","5","7","7","7","1","1","1") = "6"
    & skf21("3","5","7","7","7","1","2","1") = "6"
    & skf21("3","5","7","7","7","1","3","1") = "6"
    & skf21("3","5","7","7","7","1","4","1") = "6"
    & skf21("3","5","7","7","7","1","5","1") = "6"
    & skf21("3","5","7","7","7","1","6","1") = "6"
    & skf21("3","5","7","7","7","1","7","1") = "6"
    & skf21("3","5","7","7","7","2","1","1") = "6"
    & skf21("3","5","7","7","7","2","2","1") = "6"
    & skf21("3","5","7","7","7","2","3","1") = "6"
    & skf21("3","5","7","7","7","2","4","1") = "6"
    & skf21("3","5","7","7","7","2","5","1") = "6"
    & skf21("3","5","7","7","7","2","6","1") = "6"
    & skf21("3","5","7","7","7","2","7","1") = "6"
    & skf21("3","5","7","7","7","3","1","1") = "6"
    & skf21("3","5","7","7","7","3","2","1") = "6"
    & skf21("3","5","7","7","7","3","3","1") = "6"
    & skf21("3","5","7","7","7","3","4","1") = "6"
    & skf21("3","5","7","7","7","3","5","1") = "6"
    & skf21("3","5","7","7","7","3","6","1") = "6"
    & skf21("3","5","7","7","7","3","7","1") = "6"
    & skf21("3","5","7","7","7","4","1","1") = "6"
    & skf21("3","5","7","7","7","4","2","1") = "6"
    & skf21("3","5","7","7","7","4","3","1") = "6"
    & skf21("3","5","7","7","7","4","4","1") = "6"
    & skf21("3","5","7","7","7","4","5","1") = "6"
    & skf21("3","5","7","7","7","4","6","1") = "6"
    & skf21("3","5","7","7","7","4","7","1") = "6"
    & skf21("3","5","7","7","7","5","1","1") = "6"
    & skf21("3","5","7","7","7","5","2","1") = "6"
    & skf21("3","5","7","7","7","5","3","1") = "6"
    & skf21("3","5","7","7","7","5","4","1") = "6"
    & skf21("3","5","7","7","7","5","5","1") = "6"
    & skf21("3","5","7","7","7","5","6","1") = "6"
    & skf21("3","5","7","7","7","5","7","1") = "6"
    & skf21("3","5","7","7","7","6","1","1") = "6"
    & skf21("3","5","7","7","7","6","2","1") = "6"
    & skf21("3","5","7","7","7","6","3","1") = "6"
    & skf21("3","5","7","7","7","6","4","1") = "6"
    & skf21("3","5","7","7","7","6","5","1") = "6"
    & skf21("3","5","7","7","7","6","6","1") = "6"
    & skf21("3","5","7","7","7","6","7","1") = "6"
    & skf21("3","5","7","7","7","7","1","1") = "6"
    & skf21("3","5","7","7","7","7","2","1") = "6"
    & skf21("3","5","7","7","7","7","3","1") = "6"
    & skf21("3","5","7","7","7","7","4","1") = "6"
    & skf21("3","5","7","7","7","7","5","1") = "6"
    & skf21("3","5","7","7","7","7","6","1") = "6"
    & skf21("3","5","7","7","7","7","7","1") = "6"
    & skf21("3","6","1","1","1","1","1","1") = "5"
    & skf21("3","6","1","1","1","1","2","1") = "5"
    & skf21("3","6","1","1","1","1","3","1") = "5"
    & skf21("3","6","1","1","1","1","4","1") = "5"
    & skf21("3","6","1","1","1","1","5","1") = "5"
    & skf21("3","6","1","1","1","1","6","1") = "5"
    & skf21("3","6","1","1","1","1","7","1") = "6"
    & skf21("3","6","1","1","1","2","1","1") = "5"
    & skf21("3","6","1","1","1","2","2","1") = "5"
    & skf21("3","6","1","1","1","2","3","1") = "5"
    & skf21("3","6","1","1","1","2","4","1") = "5"
    & skf21("3","6","1","1","1","2","5","1") = "5"
    & skf21("3","6","1","1","1","2","6","1") = "5"
    & skf21("3","6","1","1","1","2","7","1") = "6"
    & skf21("3","6","1","1","1","3","1","1") = "5"
    & skf21("3","6","1","1","1","3","2","1") = "5"
    & skf21("3","6","1","1","1","3","3","1") = "5"
    & skf21("3","6","1","1","1","3","4","1") = "5"
    & skf21("3","6","1","1","1","3","5","1") = "5"
    & skf21("3","6","1","1","1","3","6","1") = "5"
    & skf21("3","6","1","1","1","3","7","1") = "6"
    & skf21("3","6","1","1","1","4","1","1") = "5"
    & skf21("3","6","1","1","1","4","2","1") = "5"
    & skf21("3","6","1","1","1","4","3","1") = "5"
    & skf21("3","6","1","1","1","4","4","1") = "5"
    & skf21("3","6","1","1","1","4","5","1") = "5"
    & skf21("3","6","1","1","1","4","6","1") = "5"
    & skf21("3","6","1","1","1","4","7","1") = "6"
    & skf21("3","6","1","1","1","5","1","1") = "5"
    & skf21("3","6","1","1","1","5","2","1") = "5"
    & skf21("3","6","1","1","1","5","3","1") = "5"
    & skf21("3","6","1","1","1","5","4","1") = "5"
    & skf21("3","6","1","1","1","5","5","1") = "5"
    & skf21("3","6","1","1","1","5","6","1") = "5"
    & skf21("3","6","1","1","1","5","7","1") = "6"
    & skf21("3","6","1","1","1","6","1","1") = "5"
    & skf21("3","6","1","1","1","6","2","1") = "5"
    & skf21("3","6","1","1","1","6","3","1") = "5"
    & skf21("3","6","1","1","1","6","4","1") = "5"
    & skf21("3","6","1","1","1","6","5","1") = "5"
    & skf21("3","6","1","1","1","6","6","1") = "5"
    & skf21("3","6","1","1","1","6","7","1") = "6"
    & skf21("3","6","1","1","1","7","1","1") = "6"
    & skf21("3","6","1","1","1","7","2","1") = "6"
    & skf21("3","6","1","1","1","7","3","1") = "6"
    & skf21("3","6","1","1","1","7","4","1") = "6"
    & skf21("3","6","1","1","1","7","5","1") = "6"
    & skf21("3","6","1","1","1","7","6","1") = "6"
    & skf21("3","6","1","1","1","7","7","1") = "6"
    & skf21("3","6","1","1","2","1","1","1") = "5"
    & skf21("3","6","1","1","2","1","2","1") = "5"
    & skf21("3","6","1","1","2","1","3","1") = "5"
    & skf21("3","6","1","1","2","1","4","1") = "5"
    & skf21("3","6","1","1","2","1","5","1") = "5"
    & skf21("3","6","1","1","2","1","6","1") = "5"
    & skf21("3","6","1","1","2","1","7","1") = "6"
    & skf21("3","6","1","1","2","2","1","1") = "5"
    & skf21("3","6","1","1","2","2","2","1") = "5"
    & skf21("3","6","1","1","2","2","3","1") = "5"
    & skf21("3","6","1","1","2","2","4","1") = "5"
    & skf21("3","6","1","1","2","2","5","1") = "5"
    & skf21("3","6","1","1","2","2","6","1") = "5"
    & skf21("3","6","1","1","2","2","7","1") = "6"
    & skf21("3","6","1","1","2","3","1","1") = "5"
    & skf21("3","6","1","1","2","3","2","1") = "5"
    & skf21("3","6","1","1","2","3","3","1") = "5"
    & skf21("3","6","1","1","2","3","4","1") = "5"
    & skf21("3","6","1","1","2","3","5","1") = "5"
    & skf21("3","6","1","1","2","3","6","1") = "5"
    & skf21("3","6","1","1","2","3","7","1") = "6"
    & skf21("3","6","1","1","2","4","1","1") = "5"
    & skf21("3","6","1","1","2","4","2","1") = "5"
    & skf21("3","6","1","1","2","4","3","1") = "5"
    & skf21("3","6","1","1","2","4","4","1") = "5"
    & skf21("3","6","1","1","2","4","5","1") = "5"
    & skf21("3","6","1","1","2","4","6","1") = "5"
    & skf21("3","6","1","1","2","4","7","1") = "6"
    & skf21("3","6","1","1","2","5","1","1") = "5"
    & skf21("3","6","1","1","2","5","2","1") = "5"
    & skf21("3","6","1","1","2","5","3","1") = "5"
    & skf21("3","6","1","1","2","5","4","1") = "5"
    & skf21("3","6","1","1","2","5","5","1") = "5"
    & skf21("3","6","1","1","2","5","6","1") = "5"
    & skf21("3","6","1","1","2","5","7","1") = "6"
    & skf21("3","6","1","1","2","6","1","1") = "5"
    & skf21("3","6","1","1","2","6","2","1") = "5"
    & skf21("3","6","1","1","2","6","3","1") = "5"
    & skf21("3","6","1","1","2","6","4","1") = "5"
    & skf21("3","6","1","1","2","6","5","1") = "5"
    & skf21("3","6","1","1","2","6","6","1") = "5"
    & skf21("3","6","1","1","2","6","7","1") = "6"
    & skf21("3","6","1","1","2","7","1","1") = "6"
    & skf21("3","6","1","1","2","7","2","1") = "6"
    & skf21("3","6","1","1","2","7","3","1") = "6"
    & skf21("3","6","1","1","2","7","4","1") = "6"
    & skf21("3","6","1","1","2","7","5","1") = "6"
    & skf21("3","6","1","1","2","7","6","1") = "6"
    & skf21("3","6","1","1","2","7","7","1") = "6"
    & skf21("3","6","1","1","3","1","1","1") = "5"
    & skf21("3","6","1","1","3","1","2","1") = "5"
    & skf21("3","6","1","1","3","1","3","1") = "5"
    & skf21("3","6","1","1","3","1","4","1") = "5"
    & skf21("3","6","1","1","3","1","5","1") = "5"
    & skf21("3","6","1","1","3","1","6","1") = "5"
    & skf21("3","6","1","1","3","1","7","1") = "6"
    & skf21("3","6","1","1","3","2","1","1") = "5"
    & skf21("3","6","1","1","3","2","2","1") = "5"
    & skf21("3","6","1","1","3","2","3","1") = "5"
    & skf21("3","6","1","1","3","2","4","1") = "5"
    & skf21("3","6","1","1","3","2","5","1") = "5"
    & skf21("3","6","1","1","3","2","6","1") = "5"
    & skf21("3","6","1","1","3","2","7","1") = "6"
    & skf21("3","6","1","1","3","3","1","1") = "5"
    & skf21("3","6","1","1","3","3","2","1") = "5"
    & skf21("3","6","1","1","3","3","3","1") = "5"
    & skf21("3","6","1","1","3","3","4","1") = "5"
    & skf21("3","6","1","1","3","3","5","1") = "5"
    & skf21("3","6","1","1","3","3","6","1") = "5"
    & skf21("3","6","1","1","3","3","7","1") = "6"
    & skf21("3","6","1","1","3","4","1","1") = "5"
    & skf21("3","6","1","1","3","4","2","1") = "5"
    & skf21("3","6","1","1","3","4","3","1") = "5"
    & skf21("3","6","1","1","3","4","4","1") = "5"
    & skf21("3","6","1","1","3","4","5","1") = "5"
    & skf21("3","6","1","1","3","4","6","1") = "5"
    & skf21("3","6","1","1","3","4","7","1") = "6"
    & skf21("3","6","1","1","3","5","1","1") = "5"
    & skf21("3","6","1","1","3","5","2","1") = "5"
    & skf21("3","6","1","1","3","5","3","1") = "5"
    & skf21("3","6","1","1","3","5","4","1") = "5"
    & skf21("3","6","1","1","3","5","5","1") = "5"
    & skf21("3","6","1","1","3","5","6","1") = "5"
    & skf21("3","6","1","1","3","5","7","1") = "6"
    & skf21("3","6","1","1","3","6","1","1") = "5"
    & skf21("3","6","1","1","3","6","2","1") = "5"
    & skf21("3","6","1","1","3","6","3","1") = "5"
    & skf21("3","6","1","1","3","6","4","1") = "5"
    & skf21("3","6","1","1","3","6","5","1") = "5"
    & skf21("3","6","1","1","3","6","6","1") = "5"
    & skf21("3","6","1","1","3","6","7","1") = "6"
    & skf21("3","6","1","1","3","7","1","1") = "6"
    & skf21("3","6","1","1","3","7","2","1") = "6"
    & skf21("3","6","1","1","3","7","3","1") = "6"
    & skf21("3","6","1","1","3","7","4","1") = "6"
    & skf21("3","6","1","1","3","7","5","1") = "6"
    & skf21("3","6","1","1","3","7","6","1") = "6"
    & skf21("3","6","1","1","3","7","7","1") = "6"
    & skf21("3","6","1","1","4","1","1","1") = "5"
    & skf21("3","6","1","1","4","1","2","1") = "5"
    & skf21("3","6","1","1","4","1","3","1") = "5"
    & skf21("3","6","1","1","4","1","4","1") = "5"
    & skf21("3","6","1","1","4","1","5","1") = "5"
    & skf21("3","6","1","1","4","1","6","1") = "5"
    & skf21("3","6","1","1","4","1","7","1") = "6"
    & skf21("3","6","1","1","4","2","1","1") = "5"
    & skf21("3","6","1","1","4","2","2","1") = "5"
    & skf21("3","6","1","1","4","2","3","1") = "5"
    & skf21("3","6","1","1","4","2","4","1") = "5"
    & skf21("3","6","1","1","4","2","5","1") = "5"
    & skf21("3","6","1","1","4","2","6","1") = "5"
    & skf21("3","6","1","1","4","2","7","1") = "6"
    & skf21("3","6","1","1","4","3","1","1") = "5"
    & skf21("3","6","1","1","4","3","2","1") = "5"
    & skf21("3","6","1","1","4","3","3","1") = "5"
    & skf21("3","6","1","1","4","3","4","1") = "5"
    & skf21("3","6","1","1","4","3","5","1") = "5"
    & skf21("3","6","1","1","4","3","6","1") = "5"
    & skf21("3","6","1","1","4","3","7","1") = "6"
    & skf21("3","6","1","1","4","4","1","1") = "5"
    & skf21("3","6","1","1","4","4","2","1") = "5"
    & skf21("3","6","1","1","4","4","3","1") = "5"
    & skf21("3","6","1","1","4","4","4","1") = "5"
    & skf21("3","6","1","1","4","4","5","1") = "5"
    & skf21("3","6","1","1","4","4","6","1") = "5"
    & skf21("3","6","1","1","4","4","7","1") = "6"
    & skf21("3","6","1","1","4","5","1","1") = "5"
    & skf21("3","6","1","1","4","5","2","1") = "5"
    & skf21("3","6","1","1","4","5","3","1") = "5"
    & skf21("3","6","1","1","4","5","4","1") = "5"
    & skf21("3","6","1","1","4","5","5","1") = "5"
    & skf21("3","6","1","1","4","5","6","1") = "5"
    & skf21("3","6","1","1","4","5","7","1") = "6"
    & skf21("3","6","1","1","4","6","1","1") = "5"
    & skf21("3","6","1","1","4","6","2","1") = "5"
    & skf21("3","6","1","1","4","6","3","1") = "5"
    & skf21("3","6","1","1","4","6","4","1") = "5"
    & skf21("3","6","1","1","4","6","5","1") = "5"
    & skf21("3","6","1","1","4","6","6","1") = "5"
    & skf21("3","6","1","1","4","6","7","1") = "6"
    & skf21("3","6","1","1","4","7","1","1") = "6"
    & skf21("3","6","1","1","4","7","2","1") = "6"
    & skf21("3","6","1","1","4","7","3","1") = "6"
    & skf21("3","6","1","1","4","7","4","1") = "6"
    & skf21("3","6","1","1","4","7","5","1") = "6"
    & skf21("3","6","1","1","4","7","6","1") = "6"
    & skf21("3","6","1","1","4","7","7","1") = "6"
    & skf21("3","6","1","1","5","1","1","1") = "5"
    & skf21("3","6","1","1","5","1","2","1") = "5"
    & skf21("3","6","1","1","5","1","3","1") = "5"
    & skf21("3","6","1","1","5","1","4","1") = "5"
    & skf21("3","6","1","1","5","1","5","1") = "5"
    & skf21("3","6","1","1","5","1","6","1") = "5"
    & skf21("3","6","1","1","5","1","7","1") = "6"
    & skf21("3","6","1","1","5","2","1","1") = "5"
    & skf21("3","6","1","1","5","2","2","1") = "5"
    & skf21("3","6","1","1","5","2","3","1") = "5"
    & skf21("3","6","1","1","5","2","4","1") = "5"
    & skf21("3","6","1","1","5","2","5","1") = "5"
    & skf21("3","6","1","1","5","2","6","1") = "5"
    & skf21("3","6","1","1","5","2","7","1") = "6"
    & skf21("3","6","1","1","5","3","1","1") = "5"
    & skf21("3","6","1","1","5","3","2","1") = "5"
    & skf21("3","6","1","1","5","3","3","1") = "5"
    & skf21("3","6","1","1","5","3","4","1") = "5"
    & skf21("3","6","1","1","5","3","5","1") = "5"
    & skf21("3","6","1","1","5","3","6","1") = "5"
    & skf21("3","6","1","1","5","3","7","1") = "6"
    & skf21("3","6","1","1","5","4","1","1") = "5"
    & skf21("3","6","1","1","5","4","2","1") = "5"
    & skf21("3","6","1","1","5","4","3","1") = "5"
    & skf21("3","6","1","1","5","4","4","1") = "5"
    & skf21("3","6","1","1","5","4","5","1") = "5"
    & skf21("3","6","1","1","5","4","6","1") = "5"
    & skf21("3","6","1","1","5","4","7","1") = "6"
    & skf21("3","6","1","1","5","5","1","1") = "5"
    & skf21("3","6","1","1","5","5","2","1") = "5"
    & skf21("3","6","1","1","5","5","3","1") = "5"
    & skf21("3","6","1","1","5","5","4","1") = "5"
    & skf21("3","6","1","1","5","5","5","1") = "5"
    & skf21("3","6","1","1","5","5","6","1") = "5"
    & skf21("3","6","1","1","5","5","7","1") = "6"
    & skf21("3","6","1","1","5","6","1","1") = "5"
    & skf21("3","6","1","1","5","6","2","1") = "5"
    & skf21("3","6","1","1","5","6","3","1") = "5"
    & skf21("3","6","1","1","5","6","4","1") = "5"
    & skf21("3","6","1","1","5","6","5","1") = "5"
    & skf21("3","6","1","1","5","6","6","1") = "5"
    & skf21("3","6","1","1","5","6","7","1") = "6"
    & skf21("3","6","1","1","5","7","1","1") = "6"
    & skf21("3","6","1","1","5","7","2","1") = "6"
    & skf21("3","6","1","1","5","7","3","1") = "6"
    & skf21("3","6","1","1","5","7","4","1") = "6"
    & skf21("3","6","1","1","5","7","5","1") = "6"
    & skf21("3","6","1","1","5","7","6","1") = "6"
    & skf21("3","6","1","1","5","7","7","1") = "6"
    & skf21("3","6","1","1","6","1","1","1") = "5"
    & skf21("3","6","1","1","6","1","2","1") = "5"
    & skf21("3","6","1","1","6","1","3","1") = "5"
    & skf21("3","6","1","1","6","1","4","1") = "5"
    & skf21("3","6","1","1","6","1","5","1") = "5"
    & skf21("3","6","1","1","6","1","6","1") = "5"
    & skf21("3","6","1","1","6","1","7","1") = "6"
    & skf21("3","6","1","1","6","2","1","1") = "5"
    & skf21("3","6","1","1","6","2","2","1") = "5"
    & skf21("3","6","1","1","6","2","3","1") = "5"
    & skf21("3","6","1","1","6","2","4","1") = "5"
    & skf21("3","6","1","1","6","2","5","1") = "5"
    & skf21("3","6","1","1","6","2","6","1") = "5"
    & skf21("3","6","1","1","6","2","7","1") = "6"
    & skf21("3","6","1","1","6","3","1","1") = "5"
    & skf21("3","6","1","1","6","3","2","1") = "5"
    & skf21("3","6","1","1","6","3","3","1") = "5"
    & skf21("3","6","1","1","6","3","4","1") = "5"
    & skf21("3","6","1","1","6","3","5","1") = "5"
    & skf21("3","6","1","1","6","3","6","1") = "5"
    & skf21("3","6","1","1","6","3","7","1") = "6"
    & skf21("3","6","1","1","6","4","1","1") = "5"
    & skf21("3","6","1","1","6","4","2","1") = "5"
    & skf21("3","6","1","1","6","4","3","1") = "5"
    & skf21("3","6","1","1","6","4","4","1") = "5"
    & skf21("3","6","1","1","6","4","5","1") = "5"
    & skf21("3","6","1","1","6","4","6","1") = "5"
    & skf21("3","6","1","1","6","4","7","1") = "6"
    & skf21("3","6","1","1","6","5","1","1") = "5"
    & skf21("3","6","1","1","6","5","2","1") = "5"
    & skf21("3","6","1","1","6","5","3","1") = "5"
    & skf21("3","6","1","1","6","5","4","1") = "5"
    & skf21("3","6","1","1","6","5","5","1") = "5"
    & skf21("3","6","1","1","6","5","6","1") = "5"
    & skf21("3","6","1","1","6","5","7","1") = "6"
    & skf21("3","6","1","1","6","6","1","1") = "5"
    & skf21("3","6","1","1","6","6","2","1") = "5"
    & skf21("3","6","1","1","6","6","3","1") = "5"
    & skf21("3","6","1","1","6","6","4","1") = "5"
    & skf21("3","6","1","1","6","6","5","1") = "5"
    & skf21("3","6","1","1","6","6","6","1") = "5"
    & skf21("3","6","1","1","6","6","7","1") = "6"
    & skf21("3","6","1","1","6","7","1","1") = "6"
    & skf21("3","6","1","1","6","7","2","1") = "6"
    & skf21("3","6","1","1","6","7","3","1") = "6"
    & skf21("3","6","1","1","6","7","4","1") = "6"
    & skf21("3","6","1","1","6","7","5","1") = "6"
    & skf21("3","6","1","1","6","7","6","1") = "6"
    & skf21("3","6","1","1","6","7","7","1") = "6"
    & skf21("3","6","1","1","7","1","1","1") = "6"
    & skf21("3","6","1","1","7","1","2","1") = "6"
    & skf21("3","6","1","1","7","1","3","1") = "6"
    & skf21("3","6","1","1","7","1","4","1") = "6"
    & skf21("3","6","1","1","7","1","5","1") = "6"
    & skf21("3","6","1","1","7","1","6","1") = "6"
    & skf21("3","6","1","1","7","1","7","1") = "6"
    & skf21("3","6","1","1","7","2","1","1") = "6"
    & skf21("3","6","1","1","7","2","2","1") = "6"
    & skf21("3","6","1","1","7","2","3","1") = "6"
    & skf21("3","6","1","1","7","2","4","1") = "6"
    & skf21("3","6","1","1","7","2","5","1") = "6"
    & skf21("3","6","1","1","7","2","6","1") = "6"
    & skf21("3","6","1","1","7","2","7","1") = "6"
    & skf21("3","6","1","1","7","3","1","1") = "6"
    & skf21("3","6","1","1","7","3","2","1") = "6"
    & skf21("3","6","1","1","7","3","3","1") = "6"
    & skf21("3","6","1","1","7","3","4","1") = "6"
    & skf21("3","6","1","1","7","3","5","1") = "6"
    & skf21("3","6","1","1","7","3","6","1") = "6"
    & skf21("3","6","1","1","7","3","7","1") = "6"
    & skf21("3","6","1","1","7","4","1","1") = "6"
    & skf21("3","6","1","1","7","4","2","1") = "6"
    & skf21("3","6","1","1","7","4","3","1") = "6"
    & skf21("3","6","1","1","7","4","4","1") = "6"
    & skf21("3","6","1","1","7","4","5","1") = "6"
    & skf21("3","6","1","1","7","4","6","1") = "6"
    & skf21("3","6","1","1","7","4","7","1") = "6"
    & skf21("3","6","1","1","7","5","1","1") = "6"
    & skf21("3","6","1","1","7","5","2","1") = "6"
    & skf21("3","6","1","1","7","5","3","1") = "6"
    & skf21("3","6","1","1","7","5","4","1") = "6"
    & skf21("3","6","1","1","7","5","5","1") = "6"
    & skf21("3","6","1","1","7","5","6","1") = "6"
    & skf21("3","6","1","1","7","5","7","1") = "6"
    & skf21("3","6","1","1","7","6","1","1") = "6"
    & skf21("3","6","1","1","7","6","2","1") = "6"
    & skf21("3","6","1","1","7","6","3","1") = "6"
    & skf21("3","6","1","1","7","6","4","1") = "6"
    & skf21("3","6","1","1","7","6","5","1") = "6"
    & skf21("3","6","1","1","7","6","6","1") = "6"
    & skf21("3","6","1","1","7","6","7","1") = "6"
    & skf21("3","6","1","1","7","7","1","1") = "6"
    & skf21("3","6","1","1","7","7","2","1") = "6"
    & skf21("3","6","1","1","7","7","3","1") = "6"
    & skf21("3","6","1","1","7","7","4","1") = "6"
    & skf21("3","6","1","1","7","7","5","1") = "6"
    & skf21("3","6","1","1","7","7","6","1") = "6"
    & skf21("3","6","1","1","7","7","7","1") = "6"
    & skf21("3","6","1","2","1","1","1","1") = "5"
    & skf21("3","6","1","2","1","1","2","1") = "5"
    & skf21("3","6","1","2","1","1","3","1") = "5"
    & skf21("3","6","1","2","1","1","4","1") = "5"
    & skf21("3","6","1","2","1","1","5","1") = "5"
    & skf21("3","6","1","2","1","1","6","1") = "5"
    & skf21("3","6","1","2","1","1","7","1") = "6"
    & skf21("3","6","1","2","1","2","1","1") = "5"
    & skf21("3","6","1","2","1","2","2","1") = "5"
    & skf21("3","6","1","2","1","2","3","1") = "5"
    & skf21("3","6","1","2","1","2","4","1") = "5"
    & skf21("3","6","1","2","1","2","5","1") = "5"
    & skf21("3","6","1","2","1","2","6","1") = "5"
    & skf21("3","6","1","2","1","2","7","1") = "6"
    & skf21("3","6","1","2","1","3","1","1") = "5"
    & skf21("3","6","1","2","1","3","2","1") = "5"
    & skf21("3","6","1","2","1","3","3","1") = "5"
    & skf21("3","6","1","2","1","3","4","1") = "5"
    & skf21("3","6","1","2","1","3","5","1") = "5"
    & skf21("3","6","1","2","1","3","6","1") = "5"
    & skf21("3","6","1","2","1","3","7","1") = "6"
    & skf21("3","6","1","2","1","4","1","1") = "5"
    & skf21("3","6","1","2","1","4","2","1") = "5"
    & skf21("3","6","1","2","1","4","3","1") = "5"
    & skf21("3","6","1","2","1","4","4","1") = "5"
    & skf21("3","6","1","2","1","4","5","1") = "5"
    & skf21("3","6","1","2","1","4","6","1") = "5"
    & skf21("3","6","1","2","1","4","7","1") = "6"
    & skf21("3","6","1","2","1","5","1","1") = "5"
    & skf21("3","6","1","2","1","5","2","1") = "5"
    & skf21("3","6","1","2","1","5","3","1") = "5"
    & skf21("3","6","1","2","1","5","4","1") = "5"
    & skf21("3","6","1","2","1","5","5","1") = "5"
    & skf21("3","6","1","2","1","5","6","1") = "5"
    & skf21("3","6","1","2","1","5","7","1") = "6"
    & skf21("3","6","1","2","1","6","1","1") = "5"
    & skf21("3","6","1","2","1","6","2","1") = "5"
    & skf21("3","6","1","2","1","6","3","1") = "5"
    & skf21("3","6","1","2","1","6","4","1") = "5"
    & skf21("3","6","1","2","1","6","5","1") = "5"
    & skf21("3","6","1","2","1","6","6","1") = "5"
    & skf21("3","6","1","2","1","6","7","1") = "6"
    & skf21("3","6","1","2","1","7","1","1") = "6"
    & skf21("3","6","1","2","1","7","2","1") = "6"
    & skf21("3","6","1","2","1","7","3","1") = "6"
    & skf21("3","6","1","2","1","7","4","1") = "6"
    & skf21("3","6","1","2","1","7","5","1") = "6"
    & skf21("3","6","1","2","1","7","6","1") = "6"
    & skf21("3","6","1","2","1","7","7","1") = "6"
    & skf21("3","6","1","2","2","1","1","1") = "5"
    & skf21("3","6","1","2","2","1","2","1") = "5"
    & skf21("3","6","1","2","2","1","3","1") = "5"
    & skf21("3","6","1","2","2","1","4","1") = "5"
    & skf21("3","6","1","2","2","1","5","1") = "5"
    & skf21("3","6","1","2","2","1","6","1") = "5"
    & skf21("3","6","1","2","2","1","7","1") = "6"
    & skf21("3","6","1","2","2","2","1","1") = "5"
    & skf21("3","6","1","2","2","2","2","1") = "5"
    & skf21("3","6","1","2","2","2","3","1") = "5"
    & skf21("3","6","1","2","2","2","4","1") = "5"
    & skf21("3","6","1","2","2","2","5","1") = "5"
    & skf21("3","6","1","2","2","2","6","1") = "5"
    & skf21("3","6","1","2","2","2","7","1") = "6"
    & skf21("3","6","1","2","2","3","1","1") = "5"
    & skf21("3","6","1","2","2","3","2","1") = "5"
    & skf21("3","6","1","2","2","3","3","1") = "5"
    & skf21("3","6","1","2","2","3","4","1") = "5"
    & skf21("3","6","1","2","2","3","5","1") = "5"
    & skf21("3","6","1","2","2","3","6","1") = "5"
    & skf21("3","6","1","2","2","3","7","1") = "6"
    & skf21("3","6","1","2","2","4","1","1") = "5"
    & skf21("3","6","1","2","2","4","2","1") = "5"
    & skf21("3","6","1","2","2","4","3","1") = "5"
    & skf21("3","6","1","2","2","4","4","1") = "5"
    & skf21("3","6","1","2","2","4","5","1") = "5"
    & skf21("3","6","1","2","2","4","6","1") = "5"
    & skf21("3","6","1","2","2","4","7","1") = "6"
    & skf21("3","6","1","2","2","5","1","1") = "5"
    & skf21("3","6","1","2","2","5","2","1") = "5"
    & skf21("3","6","1","2","2","5","3","1") = "5"
    & skf21("3","6","1","2","2","5","4","1") = "5"
    & skf21("3","6","1","2","2","5","5","1") = "5"
    & skf21("3","6","1","2","2","5","6","1") = "5"
    & skf21("3","6","1","2","2","5","7","1") = "6"
    & skf21("3","6","1","2","2","6","1","1") = "5"
    & skf21("3","6","1","2","2","6","2","1") = "5"
    & skf21("3","6","1","2","2","6","3","1") = "5"
    & skf21("3","6","1","2","2","6","4","1") = "5"
    & skf21("3","6","1","2","2","6","5","1") = "5"
    & skf21("3","6","1","2","2","6","6","1") = "5"
    & skf21("3","6","1","2","2","6","7","1") = "6"
    & skf21("3","6","1","2","2","7","1","1") = "6"
    & skf21("3","6","1","2","2","7","2","1") = "6"
    & skf21("3","6","1","2","2","7","3","1") = "6"
    & skf21("3","6","1","2","2","7","4","1") = "6"
    & skf21("3","6","1","2","2","7","5","1") = "6"
    & skf21("3","6","1","2","2","7","6","1") = "6"
    & skf21("3","6","1","2","2","7","7","1") = "6"
    & skf21("3","6","1","2","3","1","1","1") = "5"
    & skf21("3","6","1","2","3","1","2","1") = "5"
    & skf21("3","6","1","2","3","1","3","1") = "5"
    & skf21("3","6","1","2","3","1","4","1") = "5"
    & skf21("3","6","1","2","3","1","5","1") = "5"
    & skf21("3","6","1","2","3","1","6","1") = "5"
    & skf21("3","6","1","2","3","1","7","1") = "6"
    & skf21("3","6","1","2","3","2","1","1") = "5"
    & skf21("3","6","1","2","3","2","2","1") = "5"
    & skf21("3","6","1","2","3","2","3","1") = "5"
    & skf21("3","6","1","2","3","2","4","1") = "5"
    & skf21("3","6","1","2","3","2","5","1") = "5"
    & skf21("3","6","1","2","3","2","6","1") = "5"
    & skf21("3","6","1","2","3","2","7","1") = "6"
    & skf21("3","6","1","2","3","3","1","1") = "5"
    & skf21("3","6","1","2","3","3","2","1") = "5"
    & skf21("3","6","1","2","3","3","3","1") = "5"
    & skf21("3","6","1","2","3","3","4","1") = "5"
    & skf21("3","6","1","2","3","3","5","1") = "5"
    & skf21("3","6","1","2","3","3","6","1") = "5"
    & skf21("3","6","1","2","3","3","7","1") = "6"
    & skf21("3","6","1","2","3","4","1","1") = "5"
    & skf21("3","6","1","2","3","4","2","1") = "5"
    & skf21("3","6","1","2","3","4","3","1") = "5"
    & skf21("3","6","1","2","3","4","4","1") = "5"
    & skf21("3","6","1","2","3","4","5","1") = "5"
    & skf21("3","6","1","2","3","4","6","1") = "5"
    & skf21("3","6","1","2","3","4","7","1") = "6"
    & skf21("3","6","1","2","3","5","1","1") = "5"
    & skf21("3","6","1","2","3","5","2","1") = "5"
    & skf21("3","6","1","2","3","5","3","1") = "5"
    & skf21("3","6","1","2","3","5","4","1") = "5"
    & skf21("3","6","1","2","3","5","5","1") = "5"
    & skf21("3","6","1","2","3","5","6","1") = "5"
    & skf21("3","6","1","2","3","5","7","1") = "6"
    & skf21("3","6","1","2","3","6","1","1") = "5"
    & skf21("3","6","1","2","3","6","2","1") = "5"
    & skf21("3","6","1","2","3","6","3","1") = "5"
    & skf21("3","6","1","2","3","6","4","1") = "5"
    & skf21("3","6","1","2","3","6","5","1") = "5"
    & skf21("3","6","1","2","3","6","6","1") = "5"
    & skf21("3","6","1","2","3","6","7","1") = "6"
    & skf21("3","6","1","2","3","7","1","1") = "6"
    & skf21("3","6","1","2","3","7","2","1") = "6"
    & skf21("3","6","1","2","3","7","3","1") = "6"
    & skf21("3","6","1","2","3","7","4","1") = "6"
    & skf21("3","6","1","2","3","7","5","1") = "6"
    & skf21("3","6","1","2","3","7","6","1") = "6"
    & skf21("3","6","1","2","3","7","7","1") = "6"
    & skf21("3","6","1","2","4","1","1","1") = "5"
    & skf21("3","6","1","2","4","1","2","1") = "5"
    & skf21("3","6","1","2","4","1","3","1") = "5"
    & skf21("3","6","1","2","4","1","4","1") = "5"
    & skf21("3","6","1","2","4","1","5","1") = "5"
    & skf21("3","6","1","2","4","1","6","1") = "5"
    & skf21("3","6","1","2","4","1","7","1") = "6"
    & skf21("3","6","1","2","4","2","1","1") = "5"
    & skf21("3","6","1","2","4","2","2","1") = "5"
    & skf21("3","6","1","2","4","2","3","1") = "5"
    & skf21("3","6","1","2","4","2","4","1") = "5"
    & skf21("3","6","1","2","4","2","5","1") = "5"
    & skf21("3","6","1","2","4","2","6","1") = "5"
    & skf21("3","6","1","2","4","2","7","1") = "6"
    & skf21("3","6","1","2","4","3","1","1") = "5"
    & skf21("3","6","1","2","4","3","2","1") = "5"
    & skf21("3","6","1","2","4","3","3","1") = "5"
    & skf21("3","6","1","2","4","3","4","1") = "5"
    & skf21("3","6","1","2","4","3","5","1") = "5"
    & skf21("3","6","1","2","4","3","6","1") = "5"
    & skf21("3","6","1","2","4","3","7","1") = "6"
    & skf21("3","6","1","2","4","4","1","1") = "5"
    & skf21("3","6","1","2","4","4","2","1") = "5"
    & skf21("3","6","1","2","4","4","3","1") = "5"
    & skf21("3","6","1","2","4","4","4","1") = "5"
    & skf21("3","6","1","2","4","4","5","1") = "5"
    & skf21("3","6","1","2","4","4","6","1") = "5"
    & skf21("3","6","1","2","4","4","7","1") = "6"
    & skf21("3","6","1","2","4","5","1","1") = "5"
    & skf21("3","6","1","2","4","5","2","1") = "5"
    & skf21("3","6","1","2","4","5","3","1") = "5"
    & skf21("3","6","1","2","4","5","4","1") = "5"
    & skf21("3","6","1","2","4","5","5","1") = "5"
    & skf21("3","6","1","2","4","5","6","1") = "5"
    & skf21("3","6","1","2","4","5","7","1") = "6"
    & skf21("3","6","1","2","4","6","1","1") = "5"
    & skf21("3","6","1","2","4","6","2","1") = "5"
    & skf21("3","6","1","2","4","6","3","1") = "5"
    & skf21("3","6","1","2","4","6","4","1") = "5"
    & skf21("3","6","1","2","4","6","5","1") = "5"
    & skf21("3","6","1","2","4","6","6","1") = "5"
    & skf21("3","6","1","2","4","6","7","1") = "6"
    & skf21("3","6","1","2","4","7","1","1") = "6"
    & skf21("3","6","1","2","4","7","2","1") = "6"
    & skf21("3","6","1","2","4","7","3","1") = "6"
    & skf21("3","6","1","2","4","7","4","1") = "6"
    & skf21("3","6","1","2","4","7","5","1") = "6"
    & skf21("3","6","1","2","4","7","6","1") = "6"
    & skf21("3","6","1","2","4","7","7","1") = "6"
    & skf21("3","6","1","2","5","1","1","1") = "5"
    & skf21("3","6","1","2","5","1","2","1") = "5"
    & skf21("3","6","1","2","5","1","3","1") = "5"
    & skf21("3","6","1","2","5","1","4","1") = "5"
    & skf21("3","6","1","2","5","1","5","1") = "5"
    & skf21("3","6","1","2","5","1","6","1") = "5"
    & skf21("3","6","1","2","5","1","7","1") = "6"
    & skf21("3","6","1","2","5","2","1","1") = "5"
    & skf21("3","6","1","2","5","2","2","1") = "5"
    & skf21("3","6","1","2","5","2","3","1") = "5"
    & skf21("3","6","1","2","5","2","4","1") = "5"
    & skf21("3","6","1","2","5","2","5","1") = "5"
    & skf21("3","6","1","2","5","2","6","1") = "5"
    & skf21("3","6","1","2","5","2","7","1") = "6"
    & skf21("3","6","1","2","5","3","1","1") = "5"
    & skf21("3","6","1","2","5","3","2","1") = "5"
    & skf21("3","6","1","2","5","3","3","1") = "5"
    & skf21("3","6","1","2","5","3","4","1") = "5"
    & skf21("3","6","1","2","5","3","5","1") = "5"
    & skf21("3","6","1","2","5","3","6","1") = "5"
    & skf21("3","6","1","2","5","3","7","1") = "6"
    & skf21("3","6","1","2","5","4","1","1") = "5"
    & skf21("3","6","1","2","5","4","2","1") = "5"
    & skf21("3","6","1","2","5","4","3","1") = "5"
    & skf21("3","6","1","2","5","4","4","1") = "5"
    & skf21("3","6","1","2","5","4","5","1") = "5"
    & skf21("3","6","1","2","5","4","6","1") = "5"
    & skf21("3","6","1","2","5","4","7","1") = "6"
    & skf21("3","6","1","2","5","5","1","1") = "5"
    & skf21("3","6","1","2","5","5","2","1") = "5"
    & skf21("3","6","1","2","5","5","3","1") = "5"
    & skf21("3","6","1","2","5","5","4","1") = "5"
    & skf21("3","6","1","2","5","5","5","1") = "5"
    & skf21("3","6","1","2","5","5","6","1") = "5"
    & skf21("3","6","1","2","5","5","7","1") = "6"
    & skf21("3","6","1","2","5","6","1","1") = "5"
    & skf21("3","6","1","2","5","6","2","1") = "5"
    & skf21("3","6","1","2","5","6","3","1") = "5"
    & skf21("3","6","1","2","5","6","4","1") = "5"
    & skf21("3","6","1","2","5","6","5","1") = "5"
    & skf21("3","6","1","2","5","6","6","1") = "5"
    & skf21("3","6","1","2","5","6","7","1") = "6"
    & skf21("3","6","1","2","5","7","1","1") = "6"
    & skf21("3","6","1","2","5","7","2","1") = "6"
    & skf21("3","6","1","2","5","7","3","1") = "6"
    & skf21("3","6","1","2","5","7","4","1") = "6"
    & skf21("3","6","1","2","5","7","5","1") = "6"
    & skf21("3","6","1","2","5","7","6","1") = "6"
    & skf21("3","6","1","2","5","7","7","1") = "6"
    & skf21("3","6","1","2","6","1","1","1") = "5"
    & skf21("3","6","1","2","6","1","2","1") = "5"
    & skf21("3","6","1","2","6","1","3","1") = "5"
    & skf21("3","6","1","2","6","1","4","1") = "5"
    & skf21("3","6","1","2","6","1","5","1") = "5"
    & skf21("3","6","1","2","6","1","6","1") = "5"
    & skf21("3","6","1","2","6","1","7","1") = "6"
    & skf21("3","6","1","2","6","2","1","1") = "5"
    & skf21("3","6","1","2","6","2","2","1") = "5"
    & skf21("3","6","1","2","6","2","3","1") = "5"
    & skf21("3","6","1","2","6","2","4","1") = "5"
    & skf21("3","6","1","2","6","2","5","1") = "5"
    & skf21("3","6","1","2","6","2","6","1") = "5"
    & skf21("3","6","1","2","6","2","7","1") = "6"
    & skf21("3","6","1","2","6","3","1","1") = "5"
    & skf21("3","6","1","2","6","3","2","1") = "5"
    & skf21("3","6","1","2","6","3","3","1") = "5"
    & skf21("3","6","1","2","6","3","4","1") = "5"
    & skf21("3","6","1","2","6","3","5","1") = "5"
    & skf21("3","6","1","2","6","3","6","1") = "5"
    & skf21("3","6","1","2","6","3","7","1") = "6"
    & skf21("3","6","1","2","6","4","1","1") = "5"
    & skf21("3","6","1","2","6","4","2","1") = "5"
    & skf21("3","6","1","2","6","4","3","1") = "5"
    & skf21("3","6","1","2","6","4","4","1") = "5"
    & skf21("3","6","1","2","6","4","5","1") = "5"
    & skf21("3","6","1","2","6","4","6","1") = "5"
    & skf21("3","6","1","2","6","4","7","1") = "6"
    & skf21("3","6","1","2","6","5","1","1") = "5"
    & skf21("3","6","1","2","6","5","2","1") = "5"
    & skf21("3","6","1","2","6","5","3","1") = "5"
    & skf21("3","6","1","2","6","5","4","1") = "5"
    & skf21("3","6","1","2","6","5","5","1") = "5"
    & skf21("3","6","1","2","6","5","6","1") = "5"
    & skf21("3","6","1","2","6","5","7","1") = "6"
    & skf21("3","6","1","2","6","6","1","1") = "5"
    & skf21("3","6","1","2","6","6","2","1") = "5"
    & skf21("3","6","1","2","6","6","3","1") = "5"
    & skf21("3","6","1","2","6","6","4","1") = "5"
    & skf21("3","6","1","2","6","6","5","1") = "5"
    & skf21("3","6","1","2","6","6","6","1") = "5"
    & skf21("3","6","1","2","6","6","7","1") = "6"
    & skf21("3","6","1","2","6","7","1","1") = "6"
    & skf21("3","6","1","2","6","7","2","1") = "6"
    & skf21("3","6","1","2","6","7","3","1") = "6"
    & skf21("3","6","1","2","6","7","4","1") = "6"
    & skf21("3","6","1","2","6","7","5","1") = "6"
    & skf21("3","6","1","2","6","7","6","1") = "6"
    & skf21("3","6","1","2","6","7","7","1") = "6"
    & skf21("3","6","1","2","7","1","1","1") = "6"
    & skf21("3","6","1","2","7","1","2","1") = "6"
    & skf21("3","6","1","2","7","1","3","1") = "6"
    & skf21("3","6","1","2","7","1","4","1") = "6"
    & skf21("3","6","1","2","7","1","5","1") = "6"
    & skf21("3","6","1","2","7","1","6","1") = "6"
    & skf21("3","6","1","2","7","1","7","1") = "6"
    & skf21("3","6","1","2","7","2","1","1") = "6"
    & skf21("3","6","1","2","7","2","2","1") = "6"
    & skf21("3","6","1","2","7","2","3","1") = "6"
    & skf21("3","6","1","2","7","2","4","1") = "6"
    & skf21("3","6","1","2","7","2","5","1") = "6"
    & skf21("3","6","1","2","7","2","6","1") = "6"
    & skf21("3","6","1","2","7","2","7","1") = "6"
    & skf21("3","6","1","2","7","3","1","1") = "6"
    & skf21("3","6","1","2","7","3","2","1") = "6"
    & skf21("3","6","1","2","7","3","3","1") = "6"
    & skf21("3","6","1","2","7","3","4","1") = "6"
    & skf21("3","6","1","2","7","3","5","1") = "6"
    & skf21("3","6","1","2","7","3","6","1") = "6"
    & skf21("3","6","1","2","7","3","7","1") = "6"
    & skf21("3","6","1","2","7","4","1","1") = "6"
    & skf21("3","6","1","2","7","4","2","1") = "6"
    & skf21("3","6","1","2","7","4","3","1") = "6"
    & skf21("3","6","1","2","7","4","4","1") = "6"
    & skf21("3","6","1","2","7","4","5","1") = "6"
    & skf21("3","6","1","2","7","4","6","1") = "6"
    & skf21("3","6","1","2","7","4","7","1") = "6"
    & skf21("3","6","1","2","7","5","1","1") = "6"
    & skf21("3","6","1","2","7","5","2","1") = "6"
    & skf21("3","6","1","2","7","5","3","1") = "6"
    & skf21("3","6","1","2","7","5","4","1") = "6"
    & skf21("3","6","1","2","7","5","5","1") = "6"
    & skf21("3","6","1","2","7","5","6","1") = "6"
    & skf21("3","6","1","2","7","5","7","1") = "6"
    & skf21("3","6","1","2","7","6","1","1") = "6"
    & skf21("3","6","1","2","7","6","2","1") = "6"
    & skf21("3","6","1","2","7","6","3","1") = "6"
    & skf21("3","6","1","2","7","6","4","1") = "6"
    & skf21("3","6","1","2","7","6","5","1") = "6"
    & skf21("3","6","1","2","7","6","6","1") = "6"
    & skf21("3","6","1","2","7","6","7","1") = "6"
    & skf21("3","6","1","2","7","7","1","1") = "6"
    & skf21("3","6","1","2","7","7","2","1") = "6"
    & skf21("3","6","1","2","7","7","3","1") = "6"
    & skf21("3","6","1","2","7","7","4","1") = "6"
    & skf21("3","6","1","2","7","7","5","1") = "6"
    & skf21("3","6","1","2","7","7","6","1") = "6"
    & skf21("3","6","1","2","7","7","7","1") = "6"
    & skf21("3","6","1","3","1","1","1","1") = "5"
    & skf21("3","6","1","3","1","1","2","1") = "5"
    & skf21("3","6","1","3","1","1","3","1") = "5"
    & skf21("3","6","1","3","1","1","4","1") = "5"
    & skf21("3","6","1","3","1","1","5","1") = "5"
    & skf21("3","6","1","3","1","1","6","1") = "5"
    & skf21("3","6","1","3","1","1","7","1") = "6"
    & skf21("3","6","1","3","1","2","1","1") = "5"
    & skf21("3","6","1","3","1","2","2","1") = "5"
    & skf21("3","6","1","3","1","2","3","1") = "5"
    & skf21("3","6","1","3","1","2","4","1") = "5"
    & skf21("3","6","1","3","1","2","5","1") = "5"
    & skf21("3","6","1","3","1","2","6","1") = "5"
    & skf21("3","6","1","3","1","2","7","1") = "6"
    & skf21("3","6","1","3","1","3","1","1") = "5"
    & skf21("3","6","1","3","1","3","2","1") = "5"
    & skf21("3","6","1","3","1","3","3","1") = "5"
    & skf21("3","6","1","3","1","3","4","1") = "5"
    & skf21("3","6","1","3","1","3","5","1") = "5"
    & skf21("3","6","1","3","1","3","6","1") = "5"
    & skf21("3","6","1","3","1","3","7","1") = "6"
    & skf21("3","6","1","3","1","4","1","1") = "5"
    & skf21("3","6","1","3","1","4","2","1") = "5"
    & skf21("3","6","1","3","1","4","3","1") = "5"
    & skf21("3","6","1","3","1","4","4","1") = "5"
    & skf21("3","6","1","3","1","4","5","1") = "5"
    & skf21("3","6","1","3","1","4","6","1") = "5"
    & skf21("3","6","1","3","1","4","7","1") = "6"
    & skf21("3","6","1","3","1","5","1","1") = "5"
    & skf21("3","6","1","3","1","5","2","1") = "5"
    & skf21("3","6","1","3","1","5","3","1") = "5"
    & skf21("3","6","1","3","1","5","4","1") = "5"
    & skf21("3","6","1","3","1","5","5","1") = "5"
    & skf21("3","6","1","3","1","5","6","1") = "5"
    & skf21("3","6","1","3","1","5","7","1") = "6"
    & skf21("3","6","1","3","1","6","1","1") = "5"
    & skf21("3","6","1","3","1","6","2","1") = "5"
    & skf21("3","6","1","3","1","6","3","1") = "5"
    & skf21("3","6","1","3","1","6","4","1") = "5"
    & skf21("3","6","1","3","1","6","5","1") = "5"
    & skf21("3","6","1","3","1","6","6","1") = "5"
    & skf21("3","6","1","3","1","6","7","1") = "6"
    & skf21("3","6","1","3","1","7","1","1") = "6"
    & skf21("3","6","1","3","1","7","2","1") = "6"
    & skf21("3","6","1","3","1","7","3","1") = "6"
    & skf21("3","6","1","3","1","7","4","1") = "6"
    & skf21("3","6","1","3","1","7","5","1") = "6"
    & skf21("3","6","1","3","1","7","6","1") = "6"
    & skf21("3","6","1","3","1","7","7","1") = "6"
    & skf21("3","6","1","3","2","1","1","1") = "5"
    & skf21("3","6","1","3","2","1","2","1") = "5"
    & skf21("3","6","1","3","2","1","3","1") = "5"
    & skf21("3","6","1","3","2","1","4","1") = "5"
    & skf21("3","6","1","3","2","1","5","1") = "5"
    & skf21("3","6","1","3","2","1","6","1") = "5"
    & skf21("3","6","1","3","2","1","7","1") = "6"
    & skf21("3","6","1","3","2","2","1","1") = "5"
    & skf21("3","6","1","3","2","2","2","1") = "5"
    & skf21("3","6","1","3","2","2","3","1") = "5"
    & skf21("3","6","1","3","2","2","4","1") = "5"
    & skf21("3","6","1","3","2","2","5","1") = "5"
    & skf21("3","6","1","3","2","2","6","1") = "5"
    & skf21("3","6","1","3","2","2","7","1") = "6"
    & skf21("3","6","1","3","2","3","1","1") = "5"
    & skf21("3","6","1","3","2","3","2","1") = "5"
    & skf21("3","6","1","3","2","3","3","1") = "5"
    & skf21("3","6","1","3","2","3","4","1") = "5"
    & skf21("3","6","1","3","2","3","5","1") = "5"
    & skf21("3","6","1","3","2","3","6","1") = "5"
    & skf21("3","6","1","3","2","3","7","1") = "6"
    & skf21("3","6","1","3","2","4","1","1") = "5"
    & skf21("3","6","1","3","2","4","2","1") = "5"
    & skf21("3","6","1","3","2","4","3","1") = "5"
    & skf21("3","6","1","3","2","4","4","1") = "5"
    & skf21("3","6","1","3","2","4","5","1") = "5"
    & skf21("3","6","1","3","2","4","6","1") = "5"
    & skf21("3","6","1","3","2","4","7","1") = "6"
    & skf21("3","6","1","3","2","5","1","1") = "5"
    & skf21("3","6","1","3","2","5","2","1") = "5"
    & skf21("3","6","1","3","2","5","3","1") = "5"
    & skf21("3","6","1","3","2","5","4","1") = "5"
    & skf21("3","6","1","3","2","5","5","1") = "5"
    & skf21("3","6","1","3","2","5","6","1") = "5"
    & skf21("3","6","1","3","2","5","7","1") = "6"
    & skf21("3","6","1","3","2","6","1","1") = "5"
    & skf21("3","6","1","3","2","6","2","1") = "5"
    & skf21("3","6","1","3","2","6","3","1") = "5"
    & skf21("3","6","1","3","2","6","4","1") = "5"
    & skf21("3","6","1","3","2","6","5","1") = "5"
    & skf21("3","6","1","3","2","6","6","1") = "5"
    & skf21("3","6","1","3","2","6","7","1") = "6"
    & skf21("3","6","1","3","2","7","1","1") = "6"
    & skf21("3","6","1","3","2","7","2","1") = "6"
    & skf21("3","6","1","3","2","7","3","1") = "6"
    & skf21("3","6","1","3","2","7","4","1") = "6"
    & skf21("3","6","1","3","2","7","5","1") = "6"
    & skf21("3","6","1","3","2","7","6","1") = "6"
    & skf21("3","6","1","3","2","7","7","1") = "6"
    & skf21("3","6","1","3","3","1","1","1") = "5"
    & skf21("3","6","1","3","3","1","2","1") = "5"
    & skf21("3","6","1","3","3","1","3","1") = "5"
    & skf21("3","6","1","3","3","1","4","1") = "5"
    & skf21("3","6","1","3","3","1","5","1") = "5"
    & skf21("3","6","1","3","3","1","6","1") = "5"
    & skf21("3","6","1","3","3","1","7","1") = "6"
    & skf21("3","6","1","3","3","2","1","1") = "5"
    & skf21("3","6","1","3","3","2","2","1") = "5"
    & skf21("3","6","1","3","3","2","3","1") = "5"
    & skf21("3","6","1","3","3","2","4","1") = "5"
    & skf21("3","6","1","3","3","2","5","1") = "5"
    & skf21("3","6","1","3","3","2","6","1") = "5"
    & skf21("3","6","1","3","3","2","7","1") = "6"
    & skf21("3","6","1","3","3","3","1","1") = "5"
    & skf21("3","6","1","3","3","3","2","1") = "5"
    & skf21("3","6","1","3","3","3","3","1") = "5"
    & skf21("3","6","1","3","3","3","4","1") = "5"
    & skf21("3","6","1","3","3","3","5","1") = "5"
    & skf21("3","6","1","3","3","3","6","1") = "5"
    & skf21("3","6","1","3","3","3","7","1") = "6"
    & skf21("3","6","1","3","3","4","1","1") = "5"
    & skf21("3","6","1","3","3","4","2","1") = "5"
    & skf21("3","6","1","3","3","4","3","1") = "5"
    & skf21("3","6","1","3","3","4","4","1") = "5"
    & skf21("3","6","1","3","3","4","5","1") = "5"
    & skf21("3","6","1","3","3","4","6","1") = "5"
    & skf21("3","6","1","3","3","4","7","1") = "6"
    & skf21("3","6","1","3","3","5","1","1") = "5"
    & skf21("3","6","1","3","3","5","2","1") = "5"
    & skf21("3","6","1","3","3","5","3","1") = "5"
    & skf21("3","6","1","3","3","5","4","1") = "5"
    & skf21("3","6","1","3","3","5","5","1") = "5"
    & skf21("3","6","1","3","3","5","6","1") = "5"
    & skf21("3","6","1","3","3","5","7","1") = "6"
    & skf21("3","6","1","3","3","6","1","1") = "5"
    & skf21("3","6","1","3","3","6","2","1") = "5"
    & skf21("3","6","1","3","3","6","3","1") = "5"
    & skf21("3","6","1","3","3","6","4","1") = "5"
    & skf21("3","6","1","3","3","6","5","1") = "5"
    & skf21("3","6","1","3","3","6","6","1") = "5"
    & skf21("3","6","1","3","3","6","7","1") = "6"
    & skf21("3","6","1","3","3","7","1","1") = "6"
    & skf21("3","6","1","3","3","7","2","1") = "6"
    & skf21("3","6","1","3","3","7","3","1") = "6"
    & skf21("3","6","1","3","3","7","4","1") = "6"
    & skf21("3","6","1","3","3","7","5","1") = "6"
    & skf21("3","6","1","3","3","7","6","1") = "6"
    & skf21("3","6","1","3","3","7","7","1") = "6"
    & skf21("3","6","1","3","4","1","1","1") = "5"
    & skf21("3","6","1","3","4","1","2","1") = "5"
    & skf21("3","6","1","3","4","1","3","1") = "5"
    & skf21("3","6","1","3","4","1","4","1") = "5"
    & skf21("3","6","1","3","4","1","5","1") = "5"
    & skf21("3","6","1","3","4","1","6","1") = "5"
    & skf21("3","6","1","3","4","1","7","1") = "6"
    & skf21("3","6","1","3","4","2","1","1") = "5"
    & skf21("3","6","1","3","4","2","2","1") = "5"
    & skf21("3","6","1","3","4","2","3","1") = "5"
    & skf21("3","6","1","3","4","2","4","1") = "5"
    & skf21("3","6","1","3","4","2","5","1") = "5"
    & skf21("3","6","1","3","4","2","6","1") = "5"
    & skf21("3","6","1","3","4","2","7","1") = "6"
    & skf21("3","6","1","3","4","3","1","1") = "5"
    & skf21("3","6","1","3","4","3","2","1") = "5"
    & skf21("3","6","1","3","4","3","3","1") = "5"
    & skf21("3","6","1","3","4","3","4","1") = "5"
    & skf21("3","6","1","3","4","3","5","1") = "5"
    & skf21("3","6","1","3","4","3","6","1") = "5"
    & skf21("3","6","1","3","4","3","7","1") = "6"
    & skf21("3","6","1","3","4","4","1","1") = "5"
    & skf21("3","6","1","3","4","4","2","1") = "5"
    & skf21("3","6","1","3","4","4","3","1") = "5"
    & skf21("3","6","1","3","4","4","4","1") = "5"
    & skf21("3","6","1","3","4","4","5","1") = "5"
    & skf21("3","6","1","3","4","4","6","1") = "5"
    & skf21("3","6","1","3","4","4","7","1") = "6"
    & skf21("3","6","1","3","4","5","1","1") = "5"
    & skf21("3","6","1","3","4","5","2","1") = "5"
    & skf21("3","6","1","3","4","5","3","1") = "5"
    & skf21("3","6","1","3","4","5","4","1") = "5"
    & skf21("3","6","1","3","4","5","5","1") = "5"
    & skf21("3","6","1","3","4","5","6","1") = "5"
    & skf21("3","6","1","3","4","5","7","1") = "6"
    & skf21("3","6","1","3","4","6","1","1") = "5"
    & skf21("3","6","1","3","4","6","2","1") = "5"
    & skf21("3","6","1","3","4","6","3","1") = "5"
    & skf21("3","6","1","3","4","6","4","1") = "5"
    & skf21("3","6","1","3","4","6","5","1") = "5"
    & skf21("3","6","1","3","4","6","6","1") = "5"
    & skf21("3","6","1","3","4","6","7","1") = "6"
    & skf21("3","6","1","3","4","7","1","1") = "6"
    & skf21("3","6","1","3","4","7","2","1") = "6"
    & skf21("3","6","1","3","4","7","3","1") = "6"
    & skf21("3","6","1","3","4","7","4","1") = "6"
    & skf21("3","6","1","3","4","7","5","1") = "6"
    & skf21("3","6","1","3","4","7","6","1") = "6"
    & skf21("3","6","1","3","4","7","7","1") = "6"
    & skf21("3","6","1","3","5","1","1","1") = "5"
    & skf21("3","6","1","3","5","1","2","1") = "5"
    & skf21("3","6","1","3","5","1","3","1") = "5"
    & skf21("3","6","1","3","5","1","4","1") = "5"
    & skf21("3","6","1","3","5","1","5","1") = "5"
    & skf21("3","6","1","3","5","1","6","1") = "5"
    & skf21("3","6","1","3","5","1","7","1") = "6"
    & skf21("3","6","1","3","5","2","1","1") = "5"
    & skf21("3","6","1","3","5","2","2","1") = "5"
    & skf21("3","6","1","3","5","2","3","1") = "5"
    & skf21("3","6","1","3","5","2","4","1") = "5"
    & skf21("3","6","1","3","5","2","5","1") = "5"
    & skf21("3","6","1","3","5","2","6","1") = "5"
    & skf21("3","6","1","3","5","2","7","1") = "6"
    & skf21("3","6","1","3","5","3","1","1") = "5"
    & skf21("3","6","1","3","5","3","2","1") = "5"
    & skf21("3","6","1","3","5","3","3","1") = "5"
    & skf21("3","6","1","3","5","3","4","1") = "5"
    & skf21("3","6","1","3","5","3","5","1") = "5"
    & skf21("3","6","1","3","5","3","6","1") = "5"
    & skf21("3","6","1","3","5","3","7","1") = "6"
    & skf21("3","6","1","3","5","4","1","1") = "5"
    & skf21("3","6","1","3","5","4","2","1") = "5"
    & skf21("3","6","1","3","5","4","3","1") = "5"
    & skf21("3","6","1","3","5","4","4","1") = "5"
    & skf21("3","6","1","3","5","4","5","1") = "5"
    & skf21("3","6","1","3","5","4","6","1") = "5"
    & skf21("3","6","1","3","5","4","7","1") = "6"
    & skf21("3","6","1","3","5","5","1","1") = "5"
    & skf21("3","6","1","3","5","5","2","1") = "5"
    & skf21("3","6","1","3","5","5","3","1") = "5"
    & skf21("3","6","1","3","5","5","4","1") = "5"
    & skf21("3","6","1","3","5","5","5","1") = "5"
    & skf21("3","6","1","3","5","5","6","1") = "5"
    & skf21("3","6","1","3","5","5","7","1") = "6"
    & skf21("3","6","1","3","5","6","1","1") = "5"
    & skf21("3","6","1","3","5","6","2","1") = "5"
    & skf21("3","6","1","3","5","6","3","1") = "5"
    & skf21("3","6","1","3","5","6","4","1") = "5"
    & skf21("3","6","1","3","5","6","5","1") = "5"
    & skf21("3","6","1","3","5","6","6","1") = "5"
    & skf21("3","6","1","3","5","6","7","1") = "6"
    & skf21("3","6","1","3","5","7","1","1") = "6"
    & skf21("3","6","1","3","5","7","2","1") = "6"
    & skf21("3","6","1","3","5","7","3","1") = "6"
    & skf21("3","6","1","3","5","7","4","1") = "6"
    & skf21("3","6","1","3","5","7","5","1") = "6"
    & skf21("3","6","1","3","5","7","6","1") = "6"
    & skf21("3","6","1","3","5","7","7","1") = "6"
    & skf21("3","6","1","3","6","1","1","1") = "5"
    & skf21("3","6","1","3","6","1","2","1") = "5"
    & skf21("3","6","1","3","6","1","3","1") = "5"
    & skf21("3","6","1","3","6","1","4","1") = "5"
    & skf21("3","6","1","3","6","1","5","1") = "5"
    & skf21("3","6","1","3","6","1","6","1") = "5"
    & skf21("3","6","1","3","6","1","7","1") = "6"
    & skf21("3","6","1","3","6","2","1","1") = "5"
    & skf21("3","6","1","3","6","2","2","1") = "5"
    & skf21("3","6","1","3","6","2","3","1") = "5"
    & skf21("3","6","1","3","6","2","4","1") = "5"
    & skf21("3","6","1","3","6","2","5","1") = "5"
    & skf21("3","6","1","3","6","2","6","1") = "5"
    & skf21("3","6","1","3","6","2","7","1") = "6"
    & skf21("3","6","1","3","6","3","1","1") = "5"
    & skf21("3","6","1","3","6","3","2","1") = "5"
    & skf21("3","6","1","3","6","3","3","1") = "5"
    & skf21("3","6","1","3","6","3","4","1") = "5"
    & skf21("3","6","1","3","6","3","5","1") = "5"
    & skf21("3","6","1","3","6","3","6","1") = "5"
    & skf21("3","6","1","3","6","3","7","1") = "6"
    & skf21("3","6","1","3","6","4","1","1") = "5"
    & skf21("3","6","1","3","6","4","2","1") = "5"
    & skf21("3","6","1","3","6","4","3","1") = "5"
    & skf21("3","6","1","3","6","4","4","1") = "5"
    & skf21("3","6","1","3","6","4","5","1") = "5"
    & skf21("3","6","1","3","6","4","6","1") = "5"
    & skf21("3","6","1","3","6","4","7","1") = "6"
    & skf21("3","6","1","3","6","5","1","1") = "5"
    & skf21("3","6","1","3","6","5","2","1") = "5"
    & skf21("3","6","1","3","6","5","3","1") = "5"
    & skf21("3","6","1","3","6","5","4","1") = "5"
    & skf21("3","6","1","3","6","5","5","1") = "5"
    & skf21("3","6","1","3","6","5","6","1") = "5"
    & skf21("3","6","1","3","6","5","7","1") = "6"
    & skf21("3","6","1","3","6","6","1","1") = "5"
    & skf21("3","6","1","3","6","6","2","1") = "5"
    & skf21("3","6","1","3","6","6","3","1") = "5"
    & skf21("3","6","1","3","6","6","4","1") = "5"
    & skf21("3","6","1","3","6","6","5","1") = "5"
    & skf21("3","6","1","3","6","6","6","1") = "5"
    & skf21("3","6","1","3","6","6","7","1") = "6"
    & skf21("3","6","1","3","6","7","1","1") = "6"
    & skf21("3","6","1","3","6","7","2","1") = "6"
    & skf21("3","6","1","3","6","7","3","1") = "6"
    & skf21("3","6","1","3","6","7","4","1") = "6"
    & skf21("3","6","1","3","6","7","5","1") = "6"
    & skf21("3","6","1","3","6","7","6","1") = "6"
    & skf21("3","6","1","3","6","7","7","1") = "6"
    & skf21("3","6","1","3","7","1","1","1") = "6"
    & skf21("3","6","1","3","7","1","2","1") = "6"
    & skf21("3","6","1","3","7","1","3","1") = "6"
    & skf21("3","6","1","3","7","1","4","1") = "6"
    & skf21("3","6","1","3","7","1","5","1") = "6"
    & skf21("3","6","1","3","7","1","6","1") = "6"
    & skf21("3","6","1","3","7","1","7","1") = "6"
    & skf21("3","6","1","3","7","2","1","1") = "6"
    & skf21("3","6","1","3","7","2","2","1") = "6"
    & skf21("3","6","1","3","7","2","3","1") = "6"
    & skf21("3","6","1","3","7","2","4","1") = "6"
    & skf21("3","6","1","3","7","2","5","1") = "6"
    & skf21("3","6","1","3","7","2","6","1") = "6"
    & skf21("3","6","1","3","7","2","7","1") = "6"
    & skf21("3","6","1","3","7","3","1","1") = "6"
    & skf21("3","6","1","3","7","3","2","1") = "6"
    & skf21("3","6","1","3","7","3","3","1") = "6"
    & skf21("3","6","1","3","7","3","4","1") = "6"
    & skf21("3","6","1","3","7","3","5","1") = "6"
    & skf21("3","6","1","3","7","3","6","1") = "6"
    & skf21("3","6","1","3","7","3","7","1") = "6"
    & skf21("3","6","1","3","7","4","1","1") = "6"
    & skf21("3","6","1","3","7","4","2","1") = "6"
    & skf21("3","6","1","3","7","4","3","1") = "6"
    & skf21("3","6","1","3","7","4","4","1") = "6"
    & skf21("3","6","1","3","7","4","5","1") = "6"
    & skf21("3","6","1","3","7","4","6","1") = "6"
    & skf21("3","6","1","3","7","4","7","1") = "6"
    & skf21("3","6","1","3","7","5","1","1") = "6"
    & skf21("3","6","1","3","7","5","2","1") = "6"
    & skf21("3","6","1","3","7","5","3","1") = "6"
    & skf21("3","6","1","3","7","5","4","1") = "6"
    & skf21("3","6","1","3","7","5","5","1") = "6"
    & skf21("3","6","1","3","7","5","6","1") = "6"
    & skf21("3","6","1","3","7","5","7","1") = "6"
    & skf21("3","6","1","3","7","6","1","1") = "6"
    & skf21("3","6","1","3","7","6","2","1") = "6"
    & skf21("3","6","1","3","7","6","3","1") = "6"
    & skf21("3","6","1","3","7","6","4","1") = "6"
    & skf21("3","6","1","3","7","6","5","1") = "6"
    & skf21("3","6","1","3","7","6","6","1") = "6"
    & skf21("3","6","1","3","7","6","7","1") = "6"
    & skf21("3","6","1","3","7","7","1","1") = "6"
    & skf21("3","6","1","3","7","7","2","1") = "6"
    & skf21("3","6","1","3","7","7","3","1") = "6"
    & skf21("3","6","1","3","7","7","4","1") = "6"
    & skf21("3","6","1","3","7","7","5","1") = "6"
    & skf21("3","6","1","3","7","7","6","1") = "6"
    & skf21("3","6","1","3","7","7","7","1") = "6"
    & skf21("3","6","1","4","1","1","1","1") = "5"
    & skf21("3","6","1","4","1","1","2","1") = "5"
    & skf21("3","6","1","4","1","1","3","1") = "5"
    & skf21("3","6","1","4","1","1","4","1") = "5"
    & skf21("3","6","1","4","1","1","5","1") = "5"
    & skf21("3","6","1","4","1","1","6","1") = "5"
    & skf21("3","6","1","4","1","1","7","1") = "6"
    & skf21("3","6","1","4","1","2","1","1") = "5"
    & skf21("3","6","1","4","1","2","2","1") = "5"
    & skf21("3","6","1","4","1","2","3","1") = "5"
    & skf21("3","6","1","4","1","2","4","1") = "5"
    & skf21("3","6","1","4","1","2","5","1") = "5"
    & skf21("3","6","1","4","1","2","6","1") = "5"
    & skf21("3","6","1","4","1","2","7","1") = "6"
    & skf21("3","6","1","4","1","3","1","1") = "5"
    & skf21("3","6","1","4","1","3","2","1") = "5"
    & skf21("3","6","1","4","1","3","3","1") = "5"
    & skf21("3","6","1","4","1","3","4","1") = "5"
    & skf21("3","6","1","4","1","3","5","1") = "5"
    & skf21("3","6","1","4","1","3","6","1") = "5"
    & skf21("3","6","1","4","1","3","7","1") = "6"
    & skf21("3","6","1","4","1","4","1","1") = "5"
    & skf21("3","6","1","4","1","4","2","1") = "5"
    & skf21("3","6","1","4","1","4","3","1") = "5"
    & skf21("3","6","1","4","1","4","4","1") = "5"
    & skf21("3","6","1","4","1","4","5","1") = "5"
    & skf21("3","6","1","4","1","4","6","1") = "5"
    & skf21("3","6","1","4","1","4","7","1") = "6"
    & skf21("3","6","1","4","1","5","1","1") = "5"
    & skf21("3","6","1","4","1","5","2","1") = "5"
    & skf21("3","6","1","4","1","5","3","1") = "5"
    & skf21("3","6","1","4","1","5","4","1") = "5"
    & skf21("3","6","1","4","1","5","5","1") = "5"
    & skf21("3","6","1","4","1","5","6","1") = "5"
    & skf21("3","6","1","4","1","5","7","1") = "6"
    & skf21("3","6","1","4","1","6","1","1") = "5"
    & skf21("3","6","1","4","1","6","2","1") = "5"
    & skf21("3","6","1","4","1","6","3","1") = "5"
    & skf21("3","6","1","4","1","6","4","1") = "5"
    & skf21("3","6","1","4","1","6","5","1") = "5"
    & skf21("3","6","1","4","1","6","6","1") = "5"
    & skf21("3","6","1","4","1","6","7","1") = "6"
    & skf21("3","6","1","4","1","7","1","1") = "6"
    & skf21("3","6","1","4","1","7","2","1") = "6"
    & skf21("3","6","1","4","1","7","3","1") = "6"
    & skf21("3","6","1","4","1","7","4","1") = "6"
    & skf21("3","6","1","4","1","7","5","1") = "6"
    & skf21("3","6","1","4","1","7","6","1") = "6"
    & skf21("3","6","1","4","1","7","7","1") = "6"
    & skf21("3","6","1","4","2","1","1","1") = "5"
    & skf21("3","6","1","4","2","1","2","1") = "5"
    & skf21("3","6","1","4","2","1","3","1") = "5"
    & skf21("3","6","1","4","2","1","4","1") = "5"
    & skf21("3","6","1","4","2","1","5","1") = "5"
    & skf21("3","6","1","4","2","1","6","1") = "5"
    & skf21("3","6","1","4","2","1","7","1") = "6"
    & skf21("3","6","1","4","2","2","1","1") = "5"
    & skf21("3","6","1","4","2","2","2","1") = "5"
    & skf21("3","6","1","4","2","2","3","1") = "5"
    & skf21("3","6","1","4","2","2","4","1") = "5"
    & skf21("3","6","1","4","2","2","5","1") = "5"
    & skf21("3","6","1","4","2","2","6","1") = "5"
    & skf21("3","6","1","4","2","2","7","1") = "6"
    & skf21("3","6","1","4","2","3","1","1") = "5"
    & skf21("3","6","1","4","2","3","2","1") = "5"
    & skf21("3","6","1","4","2","3","3","1") = "5"
    & skf21("3","6","1","4","2","3","4","1") = "5"
    & skf21("3","6","1","4","2","3","5","1") = "5"
    & skf21("3","6","1","4","2","3","6","1") = "5"
    & skf21("3","6","1","4","2","3","7","1") = "6"
    & skf21("3","6","1","4","2","4","1","1") = "5"
    & skf21("3","6","1","4","2","4","2","1") = "5"
    & skf21("3","6","1","4","2","4","3","1") = "5"
    & skf21("3","6","1","4","2","4","4","1") = "5"
    & skf21("3","6","1","4","2","4","5","1") = "5"
    & skf21("3","6","1","4","2","4","6","1") = "5"
    & skf21("3","6","1","4","2","4","7","1") = "6"
    & skf21("3","6","1","4","2","5","1","1") = "5"
    & skf21("3","6","1","4","2","5","2","1") = "5"
    & skf21("3","6","1","4","2","5","3","1") = "5"
    & skf21("3","6","1","4","2","5","4","1") = "5"
    & skf21("3","6","1","4","2","5","5","1") = "5"
    & skf21("3","6","1","4","2","5","6","1") = "5"
    & skf21("3","6","1","4","2","5","7","1") = "6"
    & skf21("3","6","1","4","2","6","1","1") = "5"
    & skf21("3","6","1","4","2","6","2","1") = "5"
    & skf21("3","6","1","4","2","6","3","1") = "5"
    & skf21("3","6","1","4","2","6","4","1") = "5"
    & skf21("3","6","1","4","2","6","5","1") = "5"
    & skf21("3","6","1","4","2","6","6","1") = "5"
    & skf21("3","6","1","4","2","6","7","1") = "6"
    & skf21("3","6","1","4","2","7","1","1") = "6"
    & skf21("3","6","1","4","2","7","2","1") = "6"
    & skf21("3","6","1","4","2","7","3","1") = "6"
    & skf21("3","6","1","4","2","7","4","1") = "6"
    & skf21("3","6","1","4","2","7","5","1") = "6"
    & skf21("3","6","1","4","2","7","6","1") = "6"
    & skf21("3","6","1","4","2","7","7","1") = "6"
    & skf21("3","6","1","4","3","1","1","1") = "5"
    & skf21("3","6","1","4","3","1","2","1") = "5"
    & skf21("3","6","1","4","3","1","3","1") = "5"
    & skf21("3","6","1","4","3","1","4","1") = "5"
    & skf21("3","6","1","4","3","1","5","1") = "5"
    & skf21("3","6","1","4","3","1","6","1") = "5"
    & skf21("3","6","1","4","3","1","7","1") = "6"
    & skf21("3","6","1","4","3","2","1","1") = "5"
    & skf21("3","6","1","4","3","2","2","1") = "5"
    & skf21("3","6","1","4","3","2","3","1") = "5"
    & skf21("3","6","1","4","3","2","4","1") = "5"
    & skf21("3","6","1","4","3","2","5","1") = "5"
    & skf21("3","6","1","4","3","2","6","1") = "5"
    & skf21("3","6","1","4","3","2","7","1") = "6"
    & skf21("3","6","1","4","3","3","1","1") = "5"
    & skf21("3","6","1","4","3","3","2","1") = "5"
    & skf21("3","6","1","4","3","3","3","1") = "5"
    & skf21("3","6","1","4","3","3","4","1") = "5"
    & skf21("3","6","1","4","3","3","5","1") = "5"
    & skf21("3","6","1","4","3","3","6","1") = "5"
    & skf21("3","6","1","4","3","3","7","1") = "6"
    & skf21("3","6","1","4","3","4","1","1") = "5"
    & skf21("3","6","1","4","3","4","2","1") = "5"
    & skf21("3","6","1","4","3","4","3","1") = "5"
    & skf21("3","6","1","4","3","4","4","1") = "5"
    & skf21("3","6","1","4","3","4","5","1") = "5"
    & skf21("3","6","1","4","3","4","6","1") = "5"
    & skf21("3","6","1","4","3","4","7","1") = "6"
    & skf21("3","6","1","4","3","5","1","1") = "5"
    & skf21("3","6","1","4","3","5","2","1") = "5"
    & skf21("3","6","1","4","3","5","3","1") = "5"
    & skf21("3","6","1","4","3","5","4","1") = "5"
    & skf21("3","6","1","4","3","5","5","1") = "5"
    & skf21("3","6","1","4","3","5","6","1") = "5"
    & skf21("3","6","1","4","3","5","7","1") = "6"
    & skf21("3","6","1","4","3","6","1","1") = "5"
    & skf21("3","6","1","4","3","6","2","1") = "5"
    & skf21("3","6","1","4","3","6","3","1") = "5"
    & skf21("3","6","1","4","3","6","4","1") = "5"
    & skf21("3","6","1","4","3","6","5","1") = "5"
    & skf21("3","6","1","4","3","6","6","1") = "5"
    & skf21("3","6","1","4","3","6","7","1") = "6"
    & skf21("3","6","1","4","3","7","1","1") = "6"
    & skf21("3","6","1","4","3","7","2","1") = "6"
    & skf21("3","6","1","4","3","7","3","1") = "6"
    & skf21("3","6","1","4","3","7","4","1") = "6"
    & skf21("3","6","1","4","3","7","5","1") = "6"
    & skf21("3","6","1","4","3","7","6","1") = "6"
    & skf21("3","6","1","4","3","7","7","1") = "6"
    & skf21("3","6","1","4","4","1","1","1") = "5"
    & skf21("3","6","1","4","4","1","2","1") = "5"
    & skf21("3","6","1","4","4","1","3","1") = "5"
    & skf21("3","6","1","4","4","1","4","1") = "5"
    & skf21("3","6","1","4","4","1","5","1") = "5"
    & skf21("3","6","1","4","4","1","6","1") = "5"
    & skf21("3","6","1","4","4","1","7","1") = "6"
    & skf21("3","6","1","4","4","2","1","1") = "5"
    & skf21("3","6","1","4","4","2","2","1") = "5"
    & skf21("3","6","1","4","4","2","3","1") = "5"
    & skf21("3","6","1","4","4","2","4","1") = "5"
    & skf21("3","6","1","4","4","2","5","1") = "5"
    & skf21("3","6","1","4","4","2","6","1") = "5"
    & skf21("3","6","1","4","4","2","7","1") = "6"
    & skf21("3","6","1","4","4","3","1","1") = "5"
    & skf21("3","6","1","4","4","3","2","1") = "5"
    & skf21("3","6","1","4","4","3","3","1") = "5"
    & skf21("3","6","1","4","4","3","4","1") = "5"
    & skf21("3","6","1","4","4","3","5","1") = "5"
    & skf21("3","6","1","4","4","3","6","1") = "5"
    & skf21("3","6","1","4","4","3","7","1") = "6"
    & skf21("3","6","1","4","4","4","1","1") = "5"
    & skf21("3","6","1","4","4","4","2","1") = "5"
    & skf21("3","6","1","4","4","4","3","1") = "5"
    & skf21("3","6","1","4","4","4","4","1") = "5"
    & skf21("3","6","1","4","4","4","5","1") = "5"
    & skf21("3","6","1","4","4","4","6","1") = "5"
    & skf21("3","6","1","4","4","4","7","1") = "6"
    & skf21("3","6","1","4","4","5","1","1") = "5"
    & skf21("3","6","1","4","4","5","2","1") = "5"
    & skf21("3","6","1","4","4","5","3","1") = "5"
    & skf21("3","6","1","4","4","5","4","1") = "5"
    & skf21("3","6","1","4","4","5","5","1") = "5"
    & skf21("3","6","1","4","4","5","6","1") = "5"
    & skf21("3","6","1","4","4","5","7","1") = "6"
    & skf21("3","6","1","4","4","6","1","1") = "5"
    & skf21("3","6","1","4","4","6","2","1") = "5"
    & skf21("3","6","1","4","4","6","3","1") = "5"
    & skf21("3","6","1","4","4","6","4","1") = "5"
    & skf21("3","6","1","4","4","6","5","1") = "5"
    & skf21("3","6","1","4","4","6","6","1") = "5"
    & skf21("3","6","1","4","4","6","7","1") = "6"
    & skf21("3","6","1","4","4","7","1","1") = "6"
    & skf21("3","6","1","4","4","7","2","1") = "6"
    & skf21("3","6","1","4","4","7","3","1") = "6"
    & skf21("3","6","1","4","4","7","4","1") = "6"
    & skf21("3","6","1","4","4","7","5","1") = "6"
    & skf21("3","6","1","4","4","7","6","1") = "6"
    & skf21("3","6","1","4","4","7","7","1") = "6"
    & skf21("3","6","1","4","5","1","1","1") = "5"
    & skf21("3","6","1","4","5","1","2","1") = "5"
    & skf21("3","6","1","4","5","1","3","1") = "5"
    & skf21("3","6","1","4","5","1","4","1") = "5"
    & skf21("3","6","1","4","5","1","5","1") = "5"
    & skf21("3","6","1","4","5","1","6","1") = "5"
    & skf21("3","6","1","4","5","1","7","1") = "6"
    & skf21("3","6","1","4","5","2","1","1") = "5"
    & skf21("3","6","1","4","5","2","2","1") = "5"
    & skf21("3","6","1","4","5","2","3","1") = "5"
    & skf21("3","6","1","4","5","2","4","1") = "5"
    & skf21("3","6","1","4","5","2","5","1") = "5"
    & skf21("3","6","1","4","5","2","6","1") = "5"
    & skf21("3","6","1","4","5","2","7","1") = "6"
    & skf21("3","6","1","4","5","3","1","1") = "5"
    & skf21("3","6","1","4","5","3","2","1") = "5"
    & skf21("3","6","1","4","5","3","3","1") = "5"
    & skf21("3","6","1","4","5","3","4","1") = "5"
    & skf21("3","6","1","4","5","3","5","1") = "5"
    & skf21("3","6","1","4","5","3","6","1") = "5"
    & skf21("3","6","1","4","5","3","7","1") = "6"
    & skf21("3","6","1","4","5","4","1","1") = "5"
    & skf21("3","6","1","4","5","4","2","1") = "5"
    & skf21("3","6","1","4","5","4","3","1") = "5"
    & skf21("3","6","1","4","5","4","4","1") = "5"
    & skf21("3","6","1","4","5","4","5","1") = "5"
    & skf21("3","6","1","4","5","4","6","1") = "5"
    & skf21("3","6","1","4","5","4","7","1") = "6"
    & skf21("3","6","1","4","5","5","1","1") = "5"
    & skf21("3","6","1","4","5","5","2","1") = "5"
    & skf21("3","6","1","4","5","5","3","1") = "5"
    & skf21("3","6","1","4","5","5","4","1") = "5"
    & skf21("3","6","1","4","5","5","5","1") = "5"
    & skf21("3","6","1","4","5","5","6","1") = "5"
    & skf21("3","6","1","4","5","5","7","1") = "6"
    & skf21("3","6","1","4","5","6","1","1") = "5"
    & skf21("3","6","1","4","5","6","2","1") = "5"
    & skf21("3","6","1","4","5","6","3","1") = "5"
    & skf21("3","6","1","4","5","6","4","1") = "5"
    & skf21("3","6","1","4","5","6","5","1") = "5"
    & skf21("3","6","1","4","5","6","6","1") = "5"
    & skf21("3","6","1","4","5","6","7","1") = "6"
    & skf21("3","6","1","4","5","7","1","1") = "6"
    & skf21("3","6","1","4","5","7","2","1") = "6"
    & skf21("3","6","1","4","5","7","3","1") = "6"
    & skf21("3","6","1","4","5","7","4","1") = "6"
    & skf21("3","6","1","4","5","7","5","1") = "6"
    & skf21("3","6","1","4","5","7","6","1") = "6"
    & skf21("3","6","1","4","5","7","7","1") = "6"
    & skf21("3","6","1","4","6","1","1","1") = "5"
    & skf21("3","6","1","4","6","1","2","1") = "5"
    & skf21("3","6","1","4","6","1","3","1") = "5"
    & skf21("3","6","1","4","6","1","4","1") = "5"
    & skf21("3","6","1","4","6","1","5","1") = "5"
    & skf21("3","6","1","4","6","1","6","1") = "5"
    & skf21("3","6","1","4","6","1","7","1") = "6"
    & skf21("3","6","1","4","6","2","1","1") = "5"
    & skf21("3","6","1","4","6","2","2","1") = "5"
    & skf21("3","6","1","4","6","2","3","1") = "5"
    & skf21("3","6","1","4","6","2","4","1") = "5"
    & skf21("3","6","1","4","6","2","5","1") = "5"
    & skf21("3","6","1","4","6","2","6","1") = "5"
    & skf21("3","6","1","4","6","2","7","1") = "6"
    & skf21("3","6","1","4","6","3","1","1") = "5"
    & skf21("3","6","1","4","6","3","2","1") = "5"
    & skf21("3","6","1","4","6","3","3","1") = "5"
    & skf21("3","6","1","4","6","3","4","1") = "5"
    & skf21("3","6","1","4","6","3","5","1") = "5"
    & skf21("3","6","1","4","6","3","6","1") = "5"
    & skf21("3","6","1","4","6","3","7","1") = "6"
    & skf21("3","6","1","4","6","4","1","1") = "5"
    & skf21("3","6","1","4","6","4","2","1") = "5"
    & skf21("3","6","1","4","6","4","3","1") = "5"
    & skf21("3","6","1","4","6","4","4","1") = "5"
    & skf21("3","6","1","4","6","4","5","1") = "5"
    & skf21("3","6","1","4","6","4","6","1") = "5"
    & skf21("3","6","1","4","6","4","7","1") = "6"
    & skf21("3","6","1","4","6","5","1","1") = "5"
    & skf21("3","6","1","4","6","5","2","1") = "5"
    & skf21("3","6","1","4","6","5","3","1") = "5"
    & skf21("3","6","1","4","6","5","4","1") = "5"
    & skf21("3","6","1","4","6","5","5","1") = "5"
    & skf21("3","6","1","4","6","5","6","1") = "5"
    & skf21("3","6","1","4","6","5","7","1") = "6"
    & skf21("3","6","1","4","6","6","1","1") = "5"
    & skf21("3","6","1","4","6","6","2","1") = "5"
    & skf21("3","6","1","4","6","6","3","1") = "5"
    & skf21("3","6","1","4","6","6","4","1") = "5"
    & skf21("3","6","1","4","6","6","5","1") = "5"
    & skf21("3","6","1","4","6","6","6","1") = "5"
    & skf21("3","6","1","4","6","6","7","1") = "6"
    & skf21("3","6","1","4","6","7","1","1") = "6"
    & skf21("3","6","1","4","6","7","2","1") = "6"
    & skf21("3","6","1","4","6","7","3","1") = "6"
    & skf21("3","6","1","4","6","7","4","1") = "6"
    & skf21("3","6","1","4","6","7","5","1") = "6"
    & skf21("3","6","1","4","6","7","6","1") = "6"
    & skf21("3","6","1","4","6","7","7","1") = "6"
    & skf21("3","6","1","4","7","1","1","1") = "6"
    & skf21("3","6","1","4","7","1","2","1") = "6"
    & skf21("3","6","1","4","7","1","3","1") = "6"
    & skf21("3","6","1","4","7","1","4","1") = "6"
    & skf21("3","6","1","4","7","1","5","1") = "6"
    & skf21("3","6","1","4","7","1","6","1") = "6"
    & skf21("3","6","1","4","7","1","7","1") = "6"
    & skf21("3","6","1","4","7","2","1","1") = "6"
    & skf21("3","6","1","4","7","2","2","1") = "6"
    & skf21("3","6","1","4","7","2","3","1") = "6"
    & skf21("3","6","1","4","7","2","4","1") = "6"
    & skf21("3","6","1","4","7","2","5","1") = "6"
    & skf21("3","6","1","4","7","2","6","1") = "6"
    & skf21("3","6","1","4","7","2","7","1") = "6"
    & skf21("3","6","1","4","7","3","1","1") = "6"
    & skf21("3","6","1","4","7","3","2","1") = "6"
    & skf21("3","6","1","4","7","3","3","1") = "6"
    & skf21("3","6","1","4","7","3","4","1") = "6"
    & skf21("3","6","1","4","7","3","5","1") = "6"
    & skf21("3","6","1","4","7","3","6","1") = "6"
    & skf21("3","6","1","4","7","3","7","1") = "6"
    & skf21("3","6","1","4","7","4","1","1") = "6"
    & skf21("3","6","1","4","7","4","2","1") = "6"
    & skf21("3","6","1","4","7","4","3","1") = "6"
    & skf21("3","6","1","4","7","4","4","1") = "6"
    & skf21("3","6","1","4","7","4","5","1") = "6"
    & skf21("3","6","1","4","7","4","6","1") = "6"
    & skf21("3","6","1","4","7","4","7","1") = "6"
    & skf21("3","6","1","4","7","5","1","1") = "6"
    & skf21("3","6","1","4","7","5","2","1") = "6"
    & skf21("3","6","1","4","7","5","3","1") = "6"
    & skf21("3","6","1","4","7","5","4","1") = "6"
    & skf21("3","6","1","4","7","5","5","1") = "6"
    & skf21("3","6","1","4","7","5","6","1") = "6"
    & skf21("3","6","1","4","7","5","7","1") = "6"
    & skf21("3","6","1","4","7","6","1","1") = "6"
    & skf21("3","6","1","4","7","6","2","1") = "6"
    & skf21("3","6","1","4","7","6","3","1") = "6"
    & skf21("3","6","1","4","7","6","4","1") = "6"
    & skf21("3","6","1","4","7","6","5","1") = "6"
    & skf21("3","6","1","4","7","6","6","1") = "6"
    & skf21("3","6","1","4","7","6","7","1") = "6"
    & skf21("3","6","1","4","7","7","1","1") = "6"
    & skf21("3","6","1","4","7","7","2","1") = "6"
    & skf21("3","6","1","4","7","7","3","1") = "6"
    & skf21("3","6","1","4","7","7","4","1") = "6"
    & skf21("3","6","1","4","7","7","5","1") = "6"
    & skf21("3","6","1","4","7","7","6","1") = "6"
    & skf21("3","6","1","4","7","7","7","1") = "6"
    & skf21("3","6","1","5","1","1","1","1") = "5"
    & skf21("3","6","1","5","1","1","2","1") = "5"
    & skf21("3","6","1","5","1","1","3","1") = "5"
    & skf21("3","6","1","5","1","1","4","1") = "5"
    & skf21("3","6","1","5","1","1","5","1") = "5"
    & skf21("3","6","1","5","1","1","6","1") = "5"
    & skf21("3","6","1","5","1","1","7","1") = "6"
    & skf21("3","6","1","5","1","2","1","1") = "5"
    & skf21("3","6","1","5","1","2","2","1") = "5"
    & skf21("3","6","1","5","1","2","3","1") = "5"
    & skf21("3","6","1","5","1","2","4","1") = "5"
    & skf21("3","6","1","5","1","2","5","1") = "5"
    & skf21("3","6","1","5","1","2","6","1") = "5"
    & skf21("3","6","1","5","1","2","7","1") = "6"
    & skf21("3","6","1","5","1","3","1","1") = "5"
    & skf21("3","6","1","5","1","3","2","1") = "5"
    & skf21("3","6","1","5","1","3","3","1") = "5"
    & skf21("3","6","1","5","1","3","4","1") = "5"
    & skf21("3","6","1","5","1","3","5","1") = "5"
    & skf21("3","6","1","5","1","3","6","1") = "5"
    & skf21("3","6","1","5","1","3","7","1") = "6"
    & skf21("3","6","1","5","1","4","1","1") = "5"
    & skf21("3","6","1","5","1","4","2","1") = "5"
    & skf21("3","6","1","5","1","4","3","1") = "5"
    & skf21("3","6","1","5","1","4","4","1") = "5"
    & skf21("3","6","1","5","1","4","5","1") = "5"
    & skf21("3","6","1","5","1","4","6","1") = "5"
    & skf21("3","6","1","5","1","4","7","1") = "6"
    & skf21("3","6","1","5","1","5","1","1") = "5"
    & skf21("3","6","1","5","1","5","2","1") = "5"
    & skf21("3","6","1","5","1","5","3","1") = "5"
    & skf21("3","6","1","5","1","5","4","1") = "5"
    & skf21("3","6","1","5","1","5","5","1") = "5"
    & skf21("3","6","1","5","1","5","6","1") = "5"
    & skf21("3","6","1","5","1","5","7","1") = "6"
    & skf21("3","6","1","5","1","6","1","1") = "5"
    & skf21("3","6","1","5","1","6","2","1") = "5"
    & skf21("3","6","1","5","1","6","3","1") = "5"
    & skf21("3","6","1","5","1","6","4","1") = "5"
    & skf21("3","6","1","5","1","6","5","1") = "5"
    & skf21("3","6","1","5","1","6","6","1") = "5"
    & skf21("3","6","1","5","1","6","7","1") = "6"
    & skf21("3","6","1","5","1","7","1","1") = "6"
    & skf21("3","6","1","5","1","7","2","1") = "6"
    & skf21("3","6","1","5","1","7","3","1") = "6"
    & skf21("3","6","1","5","1","7","4","1") = "6"
    & skf21("3","6","1","5","1","7","5","1") = "6"
    & skf21("3","6","1","5","1","7","6","1") = "6"
    & skf21("3","6","1","5","1","7","7","1") = "6"
    & skf21("3","6","1","5","2","1","1","1") = "5"
    & skf21("3","6","1","5","2","1","2","1") = "5"
    & skf21("3","6","1","5","2","1","3","1") = "5"
    & skf21("3","6","1","5","2","1","4","1") = "5"
    & skf21("3","6","1","5","2","1","5","1") = "5"
    & skf21("3","6","1","5","2","1","6","1") = "5"
    & skf21("3","6","1","5","2","1","7","1") = "6"
    & skf21("3","6","1","5","2","2","1","1") = "5"
    & skf21("3","6","1","5","2","2","2","1") = "5"
    & skf21("3","6","1","5","2","2","3","1") = "5"
    & skf21("3","6","1","5","2","2","4","1") = "5"
    & skf21("3","6","1","5","2","2","5","1") = "5"
    & skf21("3","6","1","5","2","2","6","1") = "5"
    & skf21("3","6","1","5","2","2","7","1") = "6"
    & skf21("3","6","1","5","2","3","1","1") = "5"
    & skf21("3","6","1","5","2","3","2","1") = "5"
    & skf21("3","6","1","5","2","3","3","1") = "5"
    & skf21("3","6","1","5","2","3","4","1") = "5"
    & skf21("3","6","1","5","2","3","5","1") = "5"
    & skf21("3","6","1","5","2","3","6","1") = "5"
    & skf21("3","6","1","5","2","3","7","1") = "6"
    & skf21("3","6","1","5","2","4","1","1") = "5"
    & skf21("3","6","1","5","2","4","2","1") = "5"
    & skf21("3","6","1","5","2","4","3","1") = "5"
    & skf21("3","6","1","5","2","4","4","1") = "5"
    & skf21("3","6","1","5","2","4","5","1") = "5"
    & skf21("3","6","1","5","2","4","6","1") = "5"
    & skf21("3","6","1","5","2","4","7","1") = "6"
    & skf21("3","6","1","5","2","5","1","1") = "5"
    & skf21("3","6","1","5","2","5","2","1") = "5"
    & skf21("3","6","1","5","2","5","3","1") = "5"
    & skf21("3","6","1","5","2","5","4","1") = "5"
    & skf21("3","6","1","5","2","5","5","1") = "5"
    & skf21("3","6","1","5","2","5","6","1") = "5"
    & skf21("3","6","1","5","2","5","7","1") = "6"
    & skf21("3","6","1","5","2","6","1","1") = "5"
    & skf21("3","6","1","5","2","6","2","1") = "5"
    & skf21("3","6","1","5","2","6","3","1") = "5"
    & skf21("3","6","1","5","2","6","4","1") = "5"
    & skf21("3","6","1","5","2","6","5","1") = "5"
    & skf21("3","6","1","5","2","6","6","1") = "5"
    & skf21("3","6","1","5","2","6","7","1") = "6"
    & skf21("3","6","1","5","2","7","1","1") = "6"
    & skf21("3","6","1","5","2","7","2","1") = "6"
    & skf21("3","6","1","5","2","7","3","1") = "6"
    & skf21("3","6","1","5","2","7","4","1") = "6"
    & skf21("3","6","1","5","2","7","5","1") = "6"
    & skf21("3","6","1","5","2","7","6","1") = "6"
    & skf21("3","6","1","5","2","7","7","1") = "6"
    & skf21("3","6","1","5","3","1","1","1") = "5"
    & skf21("3","6","1","5","3","1","2","1") = "5"
    & skf21("3","6","1","5","3","1","3","1") = "5"
    & skf21("3","6","1","5","3","1","4","1") = "5"
    & skf21("3","6","1","5","3","1","5","1") = "5"
    & skf21("3","6","1","5","3","1","6","1") = "5"
    & skf21("3","6","1","5","3","1","7","1") = "6"
    & skf21("3","6","1","5","3","2","1","1") = "5"
    & skf21("3","6","1","5","3","2","2","1") = "5"
    & skf21("3","6","1","5","3","2","3","1") = "5"
    & skf21("3","6","1","5","3","2","4","1") = "5"
    & skf21("3","6","1","5","3","2","5","1") = "5"
    & skf21("3","6","1","5","3","2","6","1") = "5"
    & skf21("3","6","1","5","3","2","7","1") = "6"
    & skf21("3","6","1","5","3","3","1","1") = "5"
    & skf21("3","6","1","5","3","3","2","1") = "5"
    & skf21("3","6","1","5","3","3","3","1") = "5"
    & skf21("3","6","1","5","3","3","4","1") = "5"
    & skf21("3","6","1","5","3","3","5","1") = "5"
    & skf21("3","6","1","5","3","3","6","1") = "5"
    & skf21("3","6","1","5","3","3","7","1") = "6"
    & skf21("3","6","1","5","3","4","1","1") = "5"
    & skf21("3","6","1","5","3","4","2","1") = "5"
    & skf21("3","6","1","5","3","4","3","1") = "5"
    & skf21("3","6","1","5","3","4","4","1") = "5"
    & skf21("3","6","1","5","3","4","5","1") = "5"
    & skf21("3","6","1","5","3","4","6","1") = "5"
    & skf21("3","6","1","5","3","4","7","1") = "6"
    & skf21("3","6","1","5","3","5","1","1") = "5"
    & skf21("3","6","1","5","3","5","2","1") = "5"
    & skf21("3","6","1","5","3","5","3","1") = "5"
    & skf21("3","6","1","5","3","5","4","1") = "5"
    & skf21("3","6","1","5","3","5","5","1") = "5"
    & skf21("3","6","1","5","3","5","6","1") = "5"
    & skf21("3","6","1","5","3","5","7","1") = "6"
    & skf21("3","6","1","5","3","6","1","1") = "5"
    & skf21("3","6","1","5","3","6","2","1") = "5"
    & skf21("3","6","1","5","3","6","3","1") = "5"
    & skf21("3","6","1","5","3","6","4","1") = "5"
    & skf21("3","6","1","5","3","6","5","1") = "5"
    & skf21("3","6","1","5","3","6","6","1") = "5"
    & skf21("3","6","1","5","3","6","7","1") = "6"
    & skf21("3","6","1","5","3","7","1","1") = "6"
    & skf21("3","6","1","5","3","7","2","1") = "6"
    & skf21("3","6","1","5","3","7","3","1") = "6"
    & skf21("3","6","1","5","3","7","4","1") = "6"
    & skf21("3","6","1","5","3","7","5","1") = "6"
    & skf21("3","6","1","5","3","7","6","1") = "6"
    & skf21("3","6","1","5","3","7","7","1") = "6"
    & skf21("3","6","1","5","4","1","1","1") = "5"
    & skf21("3","6","1","5","4","1","2","1") = "5"
    & skf21("3","6","1","5","4","1","3","1") = "5"
    & skf21("3","6","1","5","4","1","4","1") = "5"
    & skf21("3","6","1","5","4","1","5","1") = "5"
    & skf21("3","6","1","5","4","1","6","1") = "5"
    & skf21("3","6","1","5","4","1","7","1") = "6"
    & skf21("3","6","1","5","4","2","1","1") = "5"
    & skf21("3","6","1","5","4","2","2","1") = "5"
    & skf21("3","6","1","5","4","2","3","1") = "5"
    & skf21("3","6","1","5","4","2","4","1") = "5"
    & skf21("3","6","1","5","4","2","5","1") = "5"
    & skf21("3","6","1","5","4","2","6","1") = "5"
    & skf21("3","6","1","5","4","2","7","1") = "6"
    & skf21("3","6","1","5","4","3","1","1") = "5"
    & skf21("3","6","1","5","4","3","2","1") = "5"
    & skf21("3","6","1","5","4","3","3","1") = "5"
    & skf21("3","6","1","5","4","3","4","1") = "5"
    & skf21("3","6","1","5","4","3","5","1") = "5"
    & skf21("3","6","1","5","4","3","6","1") = "5"
    & skf21("3","6","1","5","4","3","7","1") = "6"
    & skf21("3","6","1","5","4","4","1","1") = "5"
    & skf21("3","6","1","5","4","4","2","1") = "5"
    & skf21("3","6","1","5","4","4","3","1") = "5"
    & skf21("3","6","1","5","4","4","4","1") = "5"
    & skf21("3","6","1","5","4","4","5","1") = "5"
    & skf21("3","6","1","5","4","4","6","1") = "5"
    & skf21("3","6","1","5","4","4","7","1") = "6"
    & skf21("3","6","1","5","4","5","1","1") = "5"
    & skf21("3","6","1","5","4","5","2","1") = "5"
    & skf21("3","6","1","5","4","5","3","1") = "5"
    & skf21("3","6","1","5","4","5","4","1") = "5"
    & skf21("3","6","1","5","4","5","5","1") = "5"
    & skf21("3","6","1","5","4","5","6","1") = "5"
    & skf21("3","6","1","5","4","5","7","1") = "6"
    & skf21("3","6","1","5","4","6","1","1") = "5"
    & skf21("3","6","1","5","4","6","2","1") = "5"
    & skf21("3","6","1","5","4","6","3","1") = "5"
    & skf21("3","6","1","5","4","6","4","1") = "5"
    & skf21("3","6","1","5","4","6","5","1") = "5"
    & skf21("3","6","1","5","4","6","6","1") = "5"
    & skf21("3","6","1","5","4","6","7","1") = "6"
    & skf21("3","6","1","5","4","7","1","1") = "6"
    & skf21("3","6","1","5","4","7","2","1") = "6"
    & skf21("3","6","1","5","4","7","3","1") = "6"
    & skf21("3","6","1","5","4","7","4","1") = "6"
    & skf21("3","6","1","5","4","7","5","1") = "6"
    & skf21("3","6","1","5","4","7","6","1") = "6"
    & skf21("3","6","1","5","4","7","7","1") = "6"
    & skf21("3","6","1","5","5","1","1","1") = "5"
    & skf21("3","6","1","5","5","1","2","1") = "5"
    & skf21("3","6","1","5","5","1","3","1") = "5"
    & skf21("3","6","1","5","5","1","4","1") = "5"
    & skf21("3","6","1","5","5","1","5","1") = "5"
    & skf21("3","6","1","5","5","1","6","1") = "5"
    & skf21("3","6","1","5","5","1","7","1") = "6"
    & skf21("3","6","1","5","5","2","1","1") = "5"
    & skf21("3","6","1","5","5","2","2","1") = "5"
    & skf21("3","6","1","5","5","2","3","1") = "5"
    & skf21("3","6","1","5","5","2","4","1") = "5"
    & skf21("3","6","1","5","5","2","5","1") = "5"
    & skf21("3","6","1","5","5","2","6","1") = "5"
    & skf21("3","6","1","5","5","2","7","1") = "6"
    & skf21("3","6","1","5","5","3","1","1") = "5"
    & skf21("3","6","1","5","5","3","2","1") = "5"
    & skf21("3","6","1","5","5","3","3","1") = "5"
    & skf21("3","6","1","5","5","3","4","1") = "5"
    & skf21("3","6","1","5","5","3","5","1") = "5"
    & skf21("3","6","1","5","5","3","6","1") = "5"
    & skf21("3","6","1","5","5","3","7","1") = "6"
    & skf21("3","6","1","5","5","4","1","1") = "5"
    & skf21("3","6","1","5","5","4","2","1") = "5"
    & skf21("3","6","1","5","5","4","3","1") = "5"
    & skf21("3","6","1","5","5","4","4","1") = "5"
    & skf21("3","6","1","5","5","4","5","1") = "5"
    & skf21("3","6","1","5","5","4","6","1") = "5"
    & skf21("3","6","1","5","5","4","7","1") = "6"
    & skf21("3","6","1","5","5","5","1","1") = "5"
    & skf21("3","6","1","5","5","5","2","1") = "5"
    & skf21("3","6","1","5","5","5","3","1") = "5"
    & skf21("3","6","1","5","5","5","4","1") = "5"
    & skf21("3","6","1","5","5","5","5","1") = "5"
    & skf21("3","6","1","5","5","5","6","1") = "5"
    & skf21("3","6","1","5","5","5","7","1") = "6"
    & skf21("3","6","1","5","5","6","1","1") = "5"
    & skf21("3","6","1","5","5","6","2","1") = "5"
    & skf21("3","6","1","5","5","6","3","1") = "5"
    & skf21("3","6","1","5","5","6","4","1") = "5"
    & skf21("3","6","1","5","5","6","5","1") = "5"
    & skf21("3","6","1","5","5","6","6","1") = "5"
    & skf21("3","6","1","5","5","6","7","1") = "6"
    & skf21("3","6","1","5","5","7","1","1") = "6"
    & skf21("3","6","1","5","5","7","2","1") = "6"
    & skf21("3","6","1","5","5","7","3","1") = "6"
    & skf21("3","6","1","5","5","7","4","1") = "6"
    & skf21("3","6","1","5","5","7","5","1") = "6"
    & skf21("3","6","1","5","5","7","6","1") = "6"
    & skf21("3","6","1","5","5","7","7","1") = "6"
    & skf21("3","6","1","5","6","1","1","1") = "5"
    & skf21("3","6","1","5","6","1","2","1") = "5"
    & skf21("3","6","1","5","6","1","3","1") = "5"
    & skf21("3","6","1","5","6","1","4","1") = "5"
    & skf21("3","6","1","5","6","1","5","1") = "5"
    & skf21("3","6","1","5","6","1","6","1") = "5"
    & skf21("3","6","1","5","6","1","7","1") = "6"
    & skf21("3","6","1","5","6","2","1","1") = "5"
    & skf21("3","6","1","5","6","2","2","1") = "5"
    & skf21("3","6","1","5","6","2","3","1") = "5"
    & skf21("3","6","1","5","6","2","4","1") = "5"
    & skf21("3","6","1","5","6","2","5","1") = "5"
    & skf21("3","6","1","5","6","2","6","1") = "5"
    & skf21("3","6","1","5","6","2","7","1") = "6"
    & skf21("3","6","1","5","6","3","1","1") = "5"
    & skf21("3","6","1","5","6","3","2","1") = "5"
    & skf21("3","6","1","5","6","3","3","1") = "5"
    & skf21("3","6","1","5","6","3","4","1") = "5"
    & skf21("3","6","1","5","6","3","5","1") = "5"
    & skf21("3","6","1","5","6","3","6","1") = "5"
    & skf21("3","6","1","5","6","3","7","1") = "6"
    & skf21("3","6","1","5","6","4","1","1") = "5"
    & skf21("3","6","1","5","6","4","2","1") = "5"
    & skf21("3","6","1","5","6","4","3","1") = "5"
    & skf21("3","6","1","5","6","4","4","1") = "5"
    & skf21("3","6","1","5","6","4","5","1") = "5"
    & skf21("3","6","1","5","6","4","6","1") = "5"
    & skf21("3","6","1","5","6","4","7","1") = "6"
    & skf21("3","6","1","5","6","5","1","1") = "5"
    & skf21("3","6","1","5","6","5","2","1") = "5"
    & skf21("3","6","1","5","6","5","3","1") = "5"
    & skf21("3","6","1","5","6","5","4","1") = "5"
    & skf21("3","6","1","5","6","5","5","1") = "5"
    & skf21("3","6","1","5","6","5","6","1") = "5"
    & skf21("3","6","1","5","6","5","7","1") = "6"
    & skf21("3","6","1","5","6","6","1","1") = "5"
    & skf21("3","6","1","5","6","6","2","1") = "5"
    & skf21("3","6","1","5","6","6","3","1") = "5"
    & skf21("3","6","1","5","6","6","4","1") = "5"
    & skf21("3","6","1","5","6","6","5","1") = "5"
    & skf21("3","6","1","5","6","6","6","1") = "5"
    & skf21("3","6","1","5","6","6","7","1") = "6"
    & skf21("3","6","1","5","6","7","1","1") = "6"
    & skf21("3","6","1","5","6","7","2","1") = "6"
    & skf21("3","6","1","5","6","7","3","1") = "6"
    & skf21("3","6","1","5","6","7","4","1") = "6"
    & skf21("3","6","1","5","6","7","5","1") = "6"
    & skf21("3","6","1","5","6","7","6","1") = "6"
    & skf21("3","6","1","5","6","7","7","1") = "6"
    & skf21("3","6","1","5","7","1","1","1") = "6"
    & skf21("3","6","1","5","7","1","2","1") = "6"
    & skf21("3","6","1","5","7","1","3","1") = "6"
    & skf21("3","6","1","5","7","1","4","1") = "6"
    & skf21("3","6","1","5","7","1","5","1") = "6"
    & skf21("3","6","1","5","7","1","6","1") = "6"
    & skf21("3","6","1","5","7","1","7","1") = "6"
    & skf21("3","6","1","5","7","2","1","1") = "6"
    & skf21("3","6","1","5","7","2","2","1") = "6"
    & skf21("3","6","1","5","7","2","3","1") = "6"
    & skf21("3","6","1","5","7","2","4","1") = "6"
    & skf21("3","6","1","5","7","2","5","1") = "6"
    & skf21("3","6","1","5","7","2","6","1") = "6"
    & skf21("3","6","1","5","7","2","7","1") = "6"
    & skf21("3","6","1","5","7","3","1","1") = "6"
    & skf21("3","6","1","5","7","3","2","1") = "6"
    & skf21("3","6","1","5","7","3","3","1") = "6"
    & skf21("3","6","1","5","7","3","4","1") = "6"
    & skf21("3","6","1","5","7","3","5","1") = "6"
    & skf21("3","6","1","5","7","3","6","1") = "6"
    & skf21("3","6","1","5","7","3","7","1") = "6"
    & skf21("3","6","1","5","7","4","1","1") = "6"
    & skf21("3","6","1","5","7","4","2","1") = "6"
    & skf21("3","6","1","5","7","4","3","1") = "6"
    & skf21("3","6","1","5","7","4","4","1") = "6"
    & skf21("3","6","1","5","7","4","5","1") = "6"
    & skf21("3","6","1","5","7","4","6","1") = "6"
    & skf21("3","6","1","5","7","4","7","1") = "6"
    & skf21("3","6","1","5","7","5","1","1") = "6"
    & skf21("3","6","1","5","7","5","2","1") = "6"
    & skf21("3","6","1","5","7","5","3","1") = "6"
    & skf21("3","6","1","5","7","5","4","1") = "6"
    & skf21("3","6","1","5","7","5","5","1") = "6"
    & skf21("3","6","1","5","7","5","6","1") = "6"
    & skf21("3","6","1","5","7","5","7","1") = "6"
    & skf21("3","6","1","5","7","6","1","1") = "6"
    & skf21("3","6","1","5","7","6","2","1") = "6"
    & skf21("3","6","1","5","7","6","3","1") = "6"
    & skf21("3","6","1","5","7","6","4","1") = "6"
    & skf21("3","6","1","5","7","6","5","1") = "6"
    & skf21("3","6","1","5","7","6","6","1") = "6"
    & skf21("3","6","1","5","7","6","7","1") = "6"
    & skf21("3","6","1","5","7","7","1","1") = "6"
    & skf21("3","6","1","5","7","7","2","1") = "6"
    & skf21("3","6","1","5","7","7","3","1") = "6"
    & skf21("3","6","1","5","7","7","4","1") = "6"
    & skf21("3","6","1","5","7","7","5","1") = "6"
    & skf21("3","6","1","5","7","7","6","1") = "6"
    & skf21("3","6","1","5","7","7","7","1") = "6"
    & skf21("3","6","1","6","1","1","1","1") = "5"
    & skf21("3","6","1","6","1","1","2","1") = "5"
    & skf21("3","6","1","6","1","1","3","1") = "5"
    & skf21("3","6","1","6","1","1","4","1") = "5"
    & skf21("3","6","1","6","1","1","5","1") = "5"
    & skf21("3","6","1","6","1","1","6","1") = "5"
    & skf21("3","6","1","6","1","1","7","1") = "6"
    & skf21("3","6","1","6","1","2","1","1") = "5"
    & skf21("3","6","1","6","1","2","2","1") = "5"
    & skf21("3","6","1","6","1","2","3","1") = "5"
    & skf21("3","6","1","6","1","2","4","1") = "5"
    & skf21("3","6","1","6","1","2","5","1") = "5"
    & skf21("3","6","1","6","1","2","6","1") = "5"
    & skf21("3","6","1","6","1","2","7","1") = "6"
    & skf21("3","6","1","6","1","3","1","1") = "5"
    & skf21("3","6","1","6","1","3","2","1") = "5"
    & skf21("3","6","1","6","1","3","3","1") = "5"
    & skf21("3","6","1","6","1","3","4","1") = "5"
    & skf21("3","6","1","6","1","3","5","1") = "5"
    & skf21("3","6","1","6","1","3","6","1") = "5"
    & skf21("3","6","1","6","1","3","7","1") = "6"
    & skf21("3","6","1","6","1","4","1","1") = "5"
    & skf21("3","6","1","6","1","4","2","1") = "5"
    & skf21("3","6","1","6","1","4","3","1") = "5"
    & skf21("3","6","1","6","1","4","4","1") = "5"
    & skf21("3","6","1","6","1","4","5","1") = "5"
    & skf21("3","6","1","6","1","4","6","1") = "5"
    & skf21("3","6","1","6","1","4","7","1") = "6"
    & skf21("3","6","1","6","1","5","1","1") = "5"
    & skf21("3","6","1","6","1","5","2","1") = "5"
    & skf21("3","6","1","6","1","5","3","1") = "5"
    & skf21("3","6","1","6","1","5","4","1") = "5"
    & skf21("3","6","1","6","1","5","5","1") = "5"
    & skf21("3","6","1","6","1","5","6","1") = "5"
    & skf21("3","6","1","6","1","5","7","1") = "6"
    & skf21("3","6","1","6","1","6","1","1") = "5"
    & skf21("3","6","1","6","1","6","2","1") = "5"
    & skf21("3","6","1","6","1","6","3","1") = "5"
    & skf21("3","6","1","6","1","6","4","1") = "5"
    & skf21("3","6","1","6","1","6","5","1") = "5"
    & skf21("3","6","1","6","1","6","6","1") = "5"
    & skf21("3","6","1","6","1","6","7","1") = "6"
    & skf21("3","6","1","6","1","7","1","1") = "6"
    & skf21("3","6","1","6","1","7","2","1") = "6"
    & skf21("3","6","1","6","1","7","3","1") = "6"
    & skf21("3","6","1","6","1","7","4","1") = "6"
    & skf21("3","6","1","6","1","7","5","1") = "6"
    & skf21("3","6","1","6","1","7","6","1") = "6"
    & skf21("3","6","1","6","1","7","7","1") = "6"
    & skf21("3","6","1","6","2","1","1","1") = "5"
    & skf21("3","6","1","6","2","1","2","1") = "5"
    & skf21("3","6","1","6","2","1","3","1") = "5"
    & skf21("3","6","1","6","2","1","4","1") = "5"
    & skf21("3","6","1","6","2","1","5","1") = "5"
    & skf21("3","6","1","6","2","1","6","1") = "5"
    & skf21("3","6","1","6","2","1","7","1") = "6"
    & skf21("3","6","1","6","2","2","1","1") = "5"
    & skf21("3","6","1","6","2","2","2","1") = "5"
    & skf21("3","6","1","6","2","2","3","1") = "5"
    & skf21("3","6","1","6","2","2","4","1") = "5"
    & skf21("3","6","1","6","2","2","5","1") = "5"
    & skf21("3","6","1","6","2","2","6","1") = "5"
    & skf21("3","6","1","6","2","2","7","1") = "6"
    & skf21("3","6","1","6","2","3","1","1") = "5"
    & skf21("3","6","1","6","2","3","2","1") = "5"
    & skf21("3","6","1","6","2","3","3","1") = "5"
    & skf21("3","6","1","6","2","3","4","1") = "5"
    & skf21("3","6","1","6","2","3","5","1") = "5"
    & skf21("3","6","1","6","2","3","6","1") = "5"
    & skf21("3","6","1","6","2","3","7","1") = "6"
    & skf21("3","6","1","6","2","4","1","1") = "5"
    & skf21("3","6","1","6","2","4","2","1") = "5"
    & skf21("3","6","1","6","2","4","3","1") = "5"
    & skf21("3","6","1","6","2","4","4","1") = "5"
    & skf21("3","6","1","6","2","4","5","1") = "5"
    & skf21("3","6","1","6","2","4","6","1") = "5"
    & skf21("3","6","1","6","2","4","7","1") = "6"
    & skf21("3","6","1","6","2","5","1","1") = "5"
    & skf21("3","6","1","6","2","5","2","1") = "5"
    & skf21("3","6","1","6","2","5","3","1") = "5"
    & skf21("3","6","1","6","2","5","4","1") = "5"
    & skf21("3","6","1","6","2","5","5","1") = "5"
    & skf21("3","6","1","6","2","5","6","1") = "5"
    & skf21("3","6","1","6","2","5","7","1") = "6"
    & skf21("3","6","1","6","2","6","1","1") = "5"
    & skf21("3","6","1","6","2","6","2","1") = "5"
    & skf21("3","6","1","6","2","6","3","1") = "5"
    & skf21("3","6","1","6","2","6","4","1") = "5"
    & skf21("3","6","1","6","2","6","5","1") = "5"
    & skf21("3","6","1","6","2","6","6","1") = "5"
    & skf21("3","6","1","6","2","6","7","1") = "6"
    & skf21("3","6","1","6","2","7","1","1") = "6"
    & skf21("3","6","1","6","2","7","2","1") = "6"
    & skf21("3","6","1","6","2","7","3","1") = "6"
    & skf21("3","6","1","6","2","7","4","1") = "6"
    & skf21("3","6","1","6","2","7","5","1") = "6"
    & skf21("3","6","1","6","2","7","6","1") = "6"
    & skf21("3","6","1","6","2","7","7","1") = "6"
    & skf21("3","6","1","6","3","1","1","1") = "5"
    & skf21("3","6","1","6","3","1","2","1") = "5"
    & skf21("3","6","1","6","3","1","3","1") = "5"
    & skf21("3","6","1","6","3","1","4","1") = "5"
    & skf21("3","6","1","6","3","1","5","1") = "5"
    & skf21("3","6","1","6","3","1","6","1") = "5"
    & skf21("3","6","1","6","3","1","7","1") = "6"
    & skf21("3","6","1","6","3","2","1","1") = "5"
    & skf21("3","6","1","6","3","2","2","1") = "5"
    & skf21("3","6","1","6","3","2","3","1") = "5"
    & skf21("3","6","1","6","3","2","4","1") = "5"
    & skf21("3","6","1","6","3","2","5","1") = "5"
    & skf21("3","6","1","6","3","2","6","1") = "5"
    & skf21("3","6","1","6","3","2","7","1") = "6"
    & skf21("3","6","1","6","3","3","1","1") = "5"
    & skf21("3","6","1","6","3","3","2","1") = "5"
    & skf21("3","6","1","6","3","3","3","1") = "5"
    & skf21("3","6","1","6","3","3","4","1") = "5"
    & skf21("3","6","1","6","3","3","5","1") = "5"
    & skf21("3","6","1","6","3","3","6","1") = "5"
    & skf21("3","6","1","6","3","3","7","1") = "6"
    & skf21("3","6","1","6","3","4","1","1") = "5"
    & skf21("3","6","1","6","3","4","2","1") = "5"
    & skf21("3","6","1","6","3","4","3","1") = "5"
    & skf21("3","6","1","6","3","4","4","1") = "5"
    & skf21("3","6","1","6","3","4","5","1") = "5"
    & skf21("3","6","1","6","3","4","6","1") = "5"
    & skf21("3","6","1","6","3","4","7","1") = "6"
    & skf21("3","6","1","6","3","5","1","1") = "5"
    & skf21("3","6","1","6","3","5","2","1") = "5"
    & skf21("3","6","1","6","3","5","3","1") = "5"
    & skf21("3","6","1","6","3","5","4","1") = "5"
    & skf21("3","6","1","6","3","5","5","1") = "5"
    & skf21("3","6","1","6","3","5","6","1") = "5"
    & skf21("3","6","1","6","3","5","7","1") = "6"
    & skf21("3","6","1","6","3","6","1","1") = "5"
    & skf21("3","6","1","6","3","6","2","1") = "5"
    & skf21("3","6","1","6","3","6","3","1") = "5"
    & skf21("3","6","1","6","3","6","4","1") = "5"
    & skf21("3","6","1","6","3","6","5","1") = "5"
    & skf21("3","6","1","6","3","6","6","1") = "5"
    & skf21("3","6","1","6","3","6","7","1") = "6"
    & skf21("3","6","1","6","3","7","1","1") = "6"
    & skf21("3","6","1","6","3","7","2","1") = "6"
    & skf21("3","6","1","6","3","7","3","1") = "6"
    & skf21("3","6","1","6","3","7","4","1") = "6"
    & skf21("3","6","1","6","3","7","5","1") = "6"
    & skf21("3","6","1","6","3","7","6","1") = "6"
    & skf21("3","6","1","6","3","7","7","1") = "6"
    & skf21("3","6","1","6","4","1","1","1") = "5"
    & skf21("3","6","1","6","4","1","2","1") = "5"
    & skf21("3","6","1","6","4","1","3","1") = "5"
    & skf21("3","6","1","6","4","1","4","1") = "5"
    & skf21("3","6","1","6","4","1","5","1") = "5"
    & skf21("3","6","1","6","4","1","6","1") = "5"
    & skf21("3","6","1","6","4","1","7","1") = "6"
    & skf21("3","6","1","6","4","2","1","1") = "5"
    & skf21("3","6","1","6","4","2","2","1") = "5"
    & skf21("3","6","1","6","4","2","3","1") = "5"
    & skf21("3","6","1","6","4","2","4","1") = "5"
    & skf21("3","6","1","6","4","2","5","1") = "5"
    & skf21("3","6","1","6","4","2","6","1") = "5"
    & skf21("3","6","1","6","4","2","7","1") = "6"
    & skf21("3","6","1","6","4","3","1","1") = "5"
    & skf21("3","6","1","6","4","3","2","1") = "5"
    & skf21("3","6","1","6","4","3","3","1") = "5"
    & skf21("3","6","1","6","4","3","4","1") = "5"
    & skf21("3","6","1","6","4","3","5","1") = "5"
    & skf21("3","6","1","6","4","3","6","1") = "5"
    & skf21("3","6","1","6","4","3","7","1") = "6"
    & skf21("3","6","1","6","4","4","1","1") = "5"
    & skf21("3","6","1","6","4","4","2","1") = "5"
    & skf21("3","6","1","6","4","4","3","1") = "5"
    & skf21("3","6","1","6","4","4","4","1") = "5"
    & skf21("3","6","1","6","4","4","5","1") = "5"
    & skf21("3","6","1","6","4","4","6","1") = "5"
    & skf21("3","6","1","6","4","4","7","1") = "6"
    & skf21("3","6","1","6","4","5","1","1") = "5"
    & skf21("3","6","1","6","4","5","2","1") = "5"
    & skf21("3","6","1","6","4","5","3","1") = "5"
    & skf21("3","6","1","6","4","5","4","1") = "5"
    & skf21("3","6","1","6","4","5","5","1") = "5"
    & skf21("3","6","1","6","4","5","6","1") = "5"
    & skf21("3","6","1","6","4","5","7","1") = "6"
    & skf21("3","6","1","6","4","6","1","1") = "5"
    & skf21("3","6","1","6","4","6","2","1") = "5"
    & skf21("3","6","1","6","4","6","3","1") = "5"
    & skf21("3","6","1","6","4","6","4","1") = "5"
    & skf21("3","6","1","6","4","6","5","1") = "5"
    & skf21("3","6","1","6","4","6","6","1") = "5"
    & skf21("3","6","1","6","4","6","7","1") = "6"
    & skf21("3","6","1","6","4","7","1","1") = "6"
    & skf21("3","6","1","6","4","7","2","1") = "6"
    & skf21("3","6","1","6","4","7","3","1") = "6"
    & skf21("3","6","1","6","4","7","4","1") = "6"
    & skf21("3","6","1","6","4","7","5","1") = "6"
    & skf21("3","6","1","6","4","7","6","1") = "6"
    & skf21("3","6","1","6","4","7","7","1") = "6"
    & skf21("3","6","1","6","5","1","1","1") = "5"
    & skf21("3","6","1","6","5","1","2","1") = "5"
    & skf21("3","6","1","6","5","1","3","1") = "5"
    & skf21("3","6","1","6","5","1","4","1") = "5"
    & skf21("3","6","1","6","5","1","5","1") = "5"
    & skf21("3","6","1","6","5","1","6","1") = "5"
    & skf21("3","6","1","6","5","1","7","1") = "6"
    & skf21("3","6","1","6","5","2","1","1") = "5"
    & skf21("3","6","1","6","5","2","2","1") = "5"
    & skf21("3","6","1","6","5","2","3","1") = "5"
    & skf21("3","6","1","6","5","2","4","1") = "5"
    & skf21("3","6","1","6","5","2","5","1") = "5"
    & skf21("3","6","1","6","5","2","6","1") = "5"
    & skf21("3","6","1","6","5","2","7","1") = "6"
    & skf21("3","6","1","6","5","3","1","1") = "5"
    & skf21("3","6","1","6","5","3","2","1") = "5"
    & skf21("3","6","1","6","5","3","3","1") = "5"
    & skf21("3","6","1","6","5","3","4","1") = "5"
    & skf21("3","6","1","6","5","3","5","1") = "5"
    & skf21("3","6","1","6","5","3","6","1") = "5"
    & skf21("3","6","1","6","5","3","7","1") = "6"
    & skf21("3","6","1","6","5","4","1","1") = "5"
    & skf21("3","6","1","6","5","4","2","1") = "5"
    & skf21("3","6","1","6","5","4","3","1") = "5"
    & skf21("3","6","1","6","5","4","4","1") = "5"
    & skf21("3","6","1","6","5","4","5","1") = "5"
    & skf21("3","6","1","6","5","4","6","1") = "5"
    & skf21("3","6","1","6","5","4","7","1") = "6"
    & skf21("3","6","1","6","5","5","1","1") = "5"
    & skf21("3","6","1","6","5","5","2","1") = "5"
    & skf21("3","6","1","6","5","5","3","1") = "5"
    & skf21("3","6","1","6","5","5","4","1") = "5"
    & skf21("3","6","1","6","5","5","5","1") = "5"
    & skf21("3","6","1","6","5","5","6","1") = "5"
    & skf21("3","6","1","6","5","5","7","1") = "6"
    & skf21("3","6","1","6","5","6","1","1") = "5"
    & skf21("3","6","1","6","5","6","2","1") = "5"
    & skf21("3","6","1","6","5","6","3","1") = "5"
    & skf21("3","6","1","6","5","6","4","1") = "5"
    & skf21("3","6","1","6","5","6","5","1") = "5"
    & skf21("3","6","1","6","5","6","6","1") = "5"
    & skf21("3","6","1","6","5","6","7","1") = "6"
    & skf21("3","6","1","6","5","7","1","1") = "6"
    & skf21("3","6","1","6","5","7","2","1") = "6"
    & skf21("3","6","1","6","5","7","3","1") = "6"
    & skf21("3","6","1","6","5","7","4","1") = "6"
    & skf21("3","6","1","6","5","7","5","1") = "6"
    & skf21("3","6","1","6","5","7","6","1") = "6"
    & skf21("3","6","1","6","5","7","7","1") = "6"
    & skf21("3","6","1","6","6","1","1","1") = "5"
    & skf21("3","6","1","6","6","1","2","1") = "5"
    & skf21("3","6","1","6","6","1","3","1") = "5"
    & skf21("3","6","1","6","6","1","4","1") = "5"
    & skf21("3","6","1","6","6","1","5","1") = "5"
    & skf21("3","6","1","6","6","1","6","1") = "5"
    & skf21("3","6","1","6","6","1","7","1") = "6"
    & skf21("3","6","1","6","6","2","1","1") = "5"
    & skf21("3","6","1","6","6","2","2","1") = "5"
    & skf21("3","6","1","6","6","2","3","1") = "5"
    & skf21("3","6","1","6","6","2","4","1") = "5"
    & skf21("3","6","1","6","6","2","5","1") = "5"
    & skf21("3","6","1","6","6","2","6","1") = "5"
    & skf21("3","6","1","6","6","2","7","1") = "6"
    & skf21("3","6","1","6","6","3","1","1") = "5"
    & skf21("3","6","1","6","6","3","2","1") = "5"
    & skf21("3","6","1","6","6","3","3","1") = "5"
    & skf21("3","6","1","6","6","3","4","1") = "5"
    & skf21("3","6","1","6","6","3","5","1") = "5"
    & skf21("3","6","1","6","6","3","6","1") = "5"
    & skf21("3","6","1","6","6","3","7","1") = "6"
    & skf21("3","6","1","6","6","4","1","1") = "5"
    & skf21("3","6","1","6","6","4","2","1") = "5"
    & skf21("3","6","1","6","6","4","3","1") = "5"
    & skf21("3","6","1","6","6","4","4","1") = "5"
    & skf21("3","6","1","6","6","4","5","1") = "5"
    & skf21("3","6","1","6","6","4","6","1") = "5"
    & skf21("3","6","1","6","6","4","7","1") = "6"
    & skf21("3","6","1","6","6","5","1","1") = "5"
    & skf21("3","6","1","6","6","5","2","1") = "5"
    & skf21("3","6","1","6","6","5","3","1") = "5"
    & skf21("3","6","1","6","6","5","4","1") = "5"
    & skf21("3","6","1","6","6","5","5","1") = "5"
    & skf21("3","6","1","6","6","5","6","1") = "5"
    & skf21("3","6","1","6","6","5","7","1") = "6"
    & skf21("3","6","1","6","6","6","1","1") = "5"
    & skf21("3","6","1","6","6","6","2","1") = "5"
    & skf21("3","6","1","6","6","6","3","1") = "5"
    & skf21("3","6","1","6","6","6","4","1") = "5"
    & skf21("3","6","1","6","6","6","5","1") = "5"
    & skf21("3","6","1","6","6","6","6","1") = "5"
    & skf21("3","6","1","6","6","6","7","1") = "6"
    & skf21("3","6","1","6","6","7","1","1") = "6"
    & skf21("3","6","1","6","6","7","2","1") = "6"
    & skf21("3","6","1","6","6","7","3","1") = "6"
    & skf21("3","6","1","6","6","7","4","1") = "6"
    & skf21("3","6","1","6","6","7","5","1") = "6"
    & skf21("3","6","1","6","6","7","6","1") = "6"
    & skf21("3","6","1","6","6","7","7","1") = "6"
    & skf21("3","6","1","6","7","1","1","1") = "6"
    & skf21("3","6","1","6","7","1","2","1") = "6"
    & skf21("3","6","1","6","7","1","3","1") = "6"
    & skf21("3","6","1","6","7","1","4","1") = "6"
    & skf21("3","6","1","6","7","1","5","1") = "6"
    & skf21("3","6","1","6","7","1","6","1") = "6"
    & skf21("3","6","1","6","7","1","7","1") = "6"
    & skf21("3","6","1","6","7","2","1","1") = "6"
    & skf21("3","6","1","6","7","2","2","1") = "6"
    & skf21("3","6","1","6","7","2","3","1") = "6"
    & skf21("3","6","1","6","7","2","4","1") = "6"
    & skf21("3","6","1","6","7","2","5","1") = "6"
    & skf21("3","6","1","6","7","2","6","1") = "6"
    & skf21("3","6","1","6","7","2","7","1") = "6"
    & skf21("3","6","1","6","7","3","1","1") = "6"
    & skf21("3","6","1","6","7","3","2","1") = "6"
    & skf21("3","6","1","6","7","3","3","1") = "6"
    & skf21("3","6","1","6","7","3","4","1") = "6"
    & skf21("3","6","1","6","7","3","5","1") = "6"
    & skf21("3","6","1","6","7","3","6","1") = "6"
    & skf21("3","6","1","6","7","3","7","1") = "6"
    & skf21("3","6","1","6","7","4","1","1") = "6"
    & skf21("3","6","1","6","7","4","2","1") = "6"
    & skf21("3","6","1","6","7","4","3","1") = "6"
    & skf21("3","6","1","6","7","4","4","1") = "6"
    & skf21("3","6","1","6","7","4","5","1") = "6"
    & skf21("3","6","1","6","7","4","6","1") = "6"
    & skf21("3","6","1","6","7","4","7","1") = "6"
    & skf21("3","6","1","6","7","5","1","1") = "6"
    & skf21("3","6","1","6","7","5","2","1") = "6"
    & skf21("3","6","1","6","7","5","3","1") = "6"
    & skf21("3","6","1","6","7","5","4","1") = "6"
    & skf21("3","6","1","6","7","5","5","1") = "6"
    & skf21("3","6","1","6","7","5","6","1") = "6"
    & skf21("3","6","1","6","7","5","7","1") = "6"
    & skf21("3","6","1","6","7","6","1","1") = "6"
    & skf21("3","6","1","6","7","6","2","1") = "6"
    & skf21("3","6","1","6","7","6","3","1") = "6"
    & skf21("3","6","1","6","7","6","4","1") = "6"
    & skf21("3","6","1","6","7","6","5","1") = "6"
    & skf21("3","6","1","6","7","6","6","1") = "6"
    & skf21("3","6","1","6","7","6","7","1") = "6"
    & skf21("3","6","1","6","7","7","1","1") = "6"
    & skf21("3","6","1","6","7","7","2","1") = "6"
    & skf21("3","6","1","6","7","7","3","1") = "6"
    & skf21("3","6","1","6","7","7","4","1") = "6"
    & skf21("3","6","1","6","7","7","5","1") = "6"
    & skf21("3","6","1","6","7","7","6","1") = "6"
    & skf21("3","6","1","6","7","7","7","1") = "6"
    & skf21("3","6","1","7","1","1","1","1") = "6"
    & skf21("3","6","1","7","1","1","2","1") = "6"
    & skf21("3","6","1","7","1","1","3","1") = "6"
    & skf21("3","6","1","7","1","1","4","1") = "6"
    & skf21("3","6","1","7","1","1","5","1") = "6"
    & skf21("3","6","1","7","1","1","6","1") = "6"
    & skf21("3","6","1","7","1","1","7","1") = "6"
    & skf21("3","6","1","7","1","2","1","1") = "6"
    & skf21("3","6","1","7","1","2","2","1") = "6"
    & skf21("3","6","1","7","1","2","3","1") = "6"
    & skf21("3","6","1","7","1","2","4","1") = "6"
    & skf21("3","6","1","7","1","2","5","1") = "6"
    & skf21("3","6","1","7","1","2","6","1") = "6"
    & skf21("3","6","1","7","1","2","7","1") = "6"
    & skf21("3","6","1","7","1","3","1","1") = "6"
    & skf21("3","6","1","7","1","3","2","1") = "6"
    & skf21("3","6","1","7","1","3","3","1") = "6"
    & skf21("3","6","1","7","1","3","4","1") = "6"
    & skf21("3","6","1","7","1","3","5","1") = "6"
    & skf21("3","6","1","7","1","3","6","1") = "6"
    & skf21("3","6","1","7","1","3","7","1") = "6"
    & skf21("3","6","1","7","1","4","1","1") = "6"
    & skf21("3","6","1","7","1","4","2","1") = "6"
    & skf21("3","6","1","7","1","4","3","1") = "6"
    & skf21("3","6","1","7","1","4","4","1") = "6"
    & skf21("3","6","1","7","1","4","5","1") = "6"
    & skf21("3","6","1","7","1","4","6","1") = "6"
    & skf21("3","6","1","7","1","4","7","1") = "6"
    & skf21("3","6","1","7","1","5","1","1") = "6"
    & skf21("3","6","1","7","1","5","2","1") = "6"
    & skf21("3","6","1","7","1","5","3","1") = "6"
    & skf21("3","6","1","7","1","5","4","1") = "6"
    & skf21("3","6","1","7","1","5","5","1") = "6"
    & skf21("3","6","1","7","1","5","6","1") = "6"
    & skf21("3","6","1","7","1","5","7","1") = "6"
    & skf21("3","6","1","7","1","6","1","1") = "6"
    & skf21("3","6","1","7","1","6","2","1") = "6"
    & skf21("3","6","1","7","1","6","3","1") = "6"
    & skf21("3","6","1","7","1","6","4","1") = "6"
    & skf21("3","6","1","7","1","6","5","1") = "6"
    & skf21("3","6","1","7","1","6","6","1") = "6"
    & skf21("3","6","1","7","1","6","7","1") = "6"
    & skf21("3","6","1","7","1","7","1","1") = "6"
    & skf21("3","6","1","7","1","7","2","1") = "6"
    & skf21("3","6","1","7","1","7","3","1") = "6"
    & skf21("3","6","1","7","1","7","4","1") = "6"
    & skf21("3","6","1","7","1","7","5","1") = "6"
    & skf21("3","6","1","7","1","7","6","1") = "6"
    & skf21("3","6","1","7","1","7","7","1") = "6"
    & skf21("3","6","1","7","2","1","1","1") = "6"
    & skf21("3","6","1","7","2","1","2","1") = "6"
    & skf21("3","6","1","7","2","1","3","1") = "6"
    & skf21("3","6","1","7","2","1","4","1") = "6"
    & skf21("3","6","1","7","2","1","5","1") = "6"
    & skf21("3","6","1","7","2","1","6","1") = "6"
    & skf21("3","6","1","7","2","1","7","1") = "6"
    & skf21("3","6","1","7","2","2","1","1") = "6"
    & skf21("3","6","1","7","2","2","2","1") = "6"
    & skf21("3","6","1","7","2","2","3","1") = "6"
    & skf21("3","6","1","7","2","2","4","1") = "6"
    & skf21("3","6","1","7","2","2","5","1") = "6"
    & skf21("3","6","1","7","2","2","6","1") = "6"
    & skf21("3","6","1","7","2","2","7","1") = "6"
    & skf21("3","6","1","7","2","3","1","1") = "6"
    & skf21("3","6","1","7","2","3","2","1") = "6"
    & skf21("3","6","1","7","2","3","3","1") = "6"
    & skf21("3","6","1","7","2","3","4","1") = "6"
    & skf21("3","6","1","7","2","3","5","1") = "6"
    & skf21("3","6","1","7","2","3","6","1") = "6"
    & skf21("3","6","1","7","2","3","7","1") = "6"
    & skf21("3","6","1","7","2","4","1","1") = "6"
    & skf21("3","6","1","7","2","4","2","1") = "6"
    & skf21("3","6","1","7","2","4","3","1") = "6"
    & skf21("3","6","1","7","2","4","4","1") = "6"
    & skf21("3","6","1","7","2","4","5","1") = "6"
    & skf21("3","6","1","7","2","4","6","1") = "6"
    & skf21("3","6","1","7","2","4","7","1") = "6"
    & skf21("3","6","1","7","2","5","1","1") = "6"
    & skf21("3","6","1","7","2","5","2","1") = "6"
    & skf21("3","6","1","7","2","5","3","1") = "6"
    & skf21("3","6","1","7","2","5","4","1") = "6"
    & skf21("3","6","1","7","2","5","5","1") = "6"
    & skf21("3","6","1","7","2","5","6","1") = "6"
    & skf21("3","6","1","7","2","5","7","1") = "6"
    & skf21("3","6","1","7","2","6","1","1") = "6"
    & skf21("3","6","1","7","2","6","2","1") = "6"
    & skf21("3","6","1","7","2","6","3","1") = "6"
    & skf21("3","6","1","7","2","6","4","1") = "6"
    & skf21("3","6","1","7","2","6","5","1") = "6"
    & skf21("3","6","1","7","2","6","6","1") = "6"
    & skf21("3","6","1","7","2","6","7","1") = "6"
    & skf21("3","6","1","7","2","7","1","1") = "6"
    & skf21("3","6","1","7","2","7","2","1") = "6"
    & skf21("3","6","1","7","2","7","3","1") = "6"
    & skf21("3","6","1","7","2","7","4","1") = "6"
    & skf21("3","6","1","7","2","7","5","1") = "6"
    & skf21("3","6","1","7","2","7","6","1") = "6"
    & skf21("3","6","1","7","2","7","7","1") = "6"
    & skf21("3","6","1","7","3","1","1","1") = "6"
    & skf21("3","6","1","7","3","1","2","1") = "6"
    & skf21("3","6","1","7","3","1","3","1") = "6"
    & skf21("3","6","1","7","3","1","4","1") = "6"
    & skf21("3","6","1","7","3","1","5","1") = "6"
    & skf21("3","6","1","7","3","1","6","1") = "6"
    & skf21("3","6","1","7","3","1","7","1") = "6"
    & skf21("3","6","1","7","3","2","1","1") = "6"
    & skf21("3","6","1","7","3","2","2","1") = "6"
    & skf21("3","6","1","7","3","2","3","1") = "6"
    & skf21("3","6","1","7","3","2","4","1") = "6"
    & skf21("3","6","1","7","3","2","5","1") = "6"
    & skf21("3","6","1","7","3","2","6","1") = "6"
    & skf21("3","6","1","7","3","2","7","1") = "6"
    & skf21("3","6","1","7","3","3","1","1") = "6"
    & skf21("3","6","1","7","3","3","2","1") = "6"
    & skf21("3","6","1","7","3","3","3","1") = "6"
    & skf21("3","6","1","7","3","3","4","1") = "6"
    & skf21("3","6","1","7","3","3","5","1") = "6"
    & skf21("3","6","1","7","3","3","6","1") = "6"
    & skf21("3","6","1","7","3","3","7","1") = "6"
    & skf21("3","6","1","7","3","4","1","1") = "6"
    & skf21("3","6","1","7","3","4","2","1") = "6"
    & skf21("3","6","1","7","3","4","3","1") = "6"
    & skf21("3","6","1","7","3","4","4","1") = "6"
    & skf21("3","6","1","7","3","4","5","1") = "6"
    & skf21("3","6","1","7","3","4","6","1") = "6"
    & skf21("3","6","1","7","3","4","7","1") = "6"
    & skf21("3","6","1","7","3","5","1","1") = "6"
    & skf21("3","6","1","7","3","5","2","1") = "6"
    & skf21("3","6","1","7","3","5","3","1") = "6"
    & skf21("3","6","1","7","3","5","4","1") = "6"
    & skf21("3","6","1","7","3","5","5","1") = "6"
    & skf21("3","6","1","7","3","5","6","1") = "6"
    & skf21("3","6","1","7","3","5","7","1") = "6"
    & skf21("3","6","1","7","3","6","1","1") = "6"
    & skf21("3","6","1","7","3","6","2","1") = "6"
    & skf21("3","6","1","7","3","6","3","1") = "6"
    & skf21("3","6","1","7","3","6","4","1") = "6"
    & skf21("3","6","1","7","3","6","5","1") = "6"
    & skf21("3","6","1","7","3","6","6","1") = "6"
    & skf21("3","6","1","7","3","6","7","1") = "6"
    & skf21("3","6","1","7","3","7","1","1") = "6"
    & skf21("3","6","1","7","3","7","2","1") = "6"
    & skf21("3","6","1","7","3","7","3","1") = "6"
    & skf21("3","6","1","7","3","7","4","1") = "6"
    & skf21("3","6","1","7","3","7","5","1") = "6"
    & skf21("3","6","1","7","3","7","6","1") = "6"
    & skf21("3","6","1","7","3","7","7","1") = "6"
    & skf21("3","6","1","7","4","1","1","1") = "6"
    & skf21("3","6","1","7","4","1","2","1") = "6"
    & skf21("3","6","1","7","4","1","3","1") = "6"
    & skf21("3","6","1","7","4","1","4","1") = "6"
    & skf21("3","6","1","7","4","1","5","1") = "6"
    & skf21("3","6","1","7","4","1","6","1") = "6"
    & skf21("3","6","1","7","4","1","7","1") = "6"
    & skf21("3","6","1","7","4","2","1","1") = "6"
    & skf21("3","6","1","7","4","2","2","1") = "6"
    & skf21("3","6","1","7","4","2","3","1") = "6"
    & skf21("3","6","1","7","4","2","4","1") = "6"
    & skf21("3","6","1","7","4","2","5","1") = "6"
    & skf21("3","6","1","7","4","2","6","1") = "6"
    & skf21("3","6","1","7","4","2","7","1") = "6"
    & skf21("3","6","1","7","4","3","1","1") = "6"
    & skf21("3","6","1","7","4","3","2","1") = "6"
    & skf21("3","6","1","7","4","3","3","1") = "6"
    & skf21("3","6","1","7","4","3","4","1") = "6"
    & skf21("3","6","1","7","4","3","5","1") = "6"
    & skf21("3","6","1","7","4","3","6","1") = "6"
    & skf21("3","6","1","7","4","3","7","1") = "6"
    & skf21("3","6","1","7","4","4","1","1") = "6"
    & skf21("3","6","1","7","4","4","2","1") = "6"
    & skf21("3","6","1","7","4","4","3","1") = "6"
    & skf21("3","6","1","7","4","4","4","1") = "6"
    & skf21("3","6","1","7","4","4","5","1") = "6"
    & skf21("3","6","1","7","4","4","6","1") = "6"
    & skf21("3","6","1","7","4","4","7","1") = "6"
    & skf21("3","6","1","7","4","5","1","1") = "6"
    & skf21("3","6","1","7","4","5","2","1") = "6"
    & skf21("3","6","1","7","4","5","3","1") = "6"
    & skf21("3","6","1","7","4","5","4","1") = "6"
    & skf21("3","6","1","7","4","5","5","1") = "6"
    & skf21("3","6","1","7","4","5","6","1") = "6"
    & skf21("3","6","1","7","4","5","7","1") = "6"
    & skf21("3","6","1","7","4","6","1","1") = "6"
    & skf21("3","6","1","7","4","6","2","1") = "6"
    & skf21("3","6","1","7","4","6","3","1") = "6"
    & skf21("3","6","1","7","4","6","4","1") = "6"
    & skf21("3","6","1","7","4","6","5","1") = "6"
    & skf21("3","6","1","7","4","6","6","1") = "6"
    & skf21("3","6","1","7","4","6","7","1") = "6"
    & skf21("3","6","1","7","4","7","1","1") = "6"
    & skf21("3","6","1","7","4","7","2","1") = "6"
    & skf21("3","6","1","7","4","7","3","1") = "6"
    & skf21("3","6","1","7","4","7","4","1") = "6"
    & skf21("3","6","1","7","4","7","5","1") = "6"
    & skf21("3","6","1","7","4","7","6","1") = "6"
    & skf21("3","6","1","7","4","7","7","1") = "6"
    & skf21("3","6","1","7","5","1","1","1") = "6"
    & skf21("3","6","1","7","5","1","2","1") = "6"
    & skf21("3","6","1","7","5","1","3","1") = "6"
    & skf21("3","6","1","7","5","1","4","1") = "6"
    & skf21("3","6","1","7","5","1","5","1") = "6"
    & skf21("3","6","1","7","5","1","6","1") = "6"
    & skf21("3","6","1","7","5","1","7","1") = "6"
    & skf21("3","6","1","7","5","2","1","1") = "6"
    & skf21("3","6","1","7","5","2","2","1") = "6"
    & skf21("3","6","1","7","5","2","3","1") = "6"
    & skf21("3","6","1","7","5","2","4","1") = "6"
    & skf21("3","6","1","7","5","2","5","1") = "6"
    & skf21("3","6","1","7","5","2","6","1") = "6"
    & skf21("3","6","1","7","5","2","7","1") = "6"
    & skf21("3","6","1","7","5","3","1","1") = "6"
    & skf21("3","6","1","7","5","3","2","1") = "6"
    & skf21("3","6","1","7","5","3","3","1") = "6"
    & skf21("3","6","1","7","5","3","4","1") = "6"
    & skf21("3","6","1","7","5","3","5","1") = "6"
    & skf21("3","6","1","7","5","3","6","1") = "6"
    & skf21("3","6","1","7","5","3","7","1") = "6"
    & skf21("3","6","1","7","5","4","1","1") = "6"
    & skf21("3","6","1","7","5","4","2","1") = "6"
    & skf21("3","6","1","7","5","4","3","1") = "6"
    & skf21("3","6","1","7","5","4","4","1") = "6"
    & skf21("3","6","1","7","5","4","5","1") = "6"
    & skf21("3","6","1","7","5","4","6","1") = "6"
    & skf21("3","6","1","7","5","4","7","1") = "6"
    & skf21("3","6","1","7","5","5","1","1") = "6"
    & skf21("3","6","1","7","5","5","2","1") = "6"
    & skf21("3","6","1","7","5","5","3","1") = "6"
    & skf21("3","6","1","7","5","5","4","1") = "6"
    & skf21("3","6","1","7","5","5","5","1") = "6"
    & skf21("3","6","1","7","5","5","6","1") = "6"
    & skf21("3","6","1","7","5","5","7","1") = "6"
    & skf21("3","6","1","7","5","6","1","1") = "6"
    & skf21("3","6","1","7","5","6","2","1") = "6"
    & skf21("3","6","1","7","5","6","3","1") = "6"
    & skf21("3","6","1","7","5","6","4","1") = "6"
    & skf21("3","6","1","7","5","6","5","1") = "6"
    & skf21("3","6","1","7","5","6","6","1") = "6"
    & skf21("3","6","1","7","5","6","7","1") = "6"
    & skf21("3","6","1","7","5","7","1","1") = "6"
    & skf21("3","6","1","7","5","7","2","1") = "6"
    & skf21("3","6","1","7","5","7","3","1") = "6"
    & skf21("3","6","1","7","5","7","4","1") = "6"
    & skf21("3","6","1","7","5","7","5","1") = "6"
    & skf21("3","6","1","7","5","7","6","1") = "6"
    & skf21("3","6","1","7","5","7","7","1") = "6"
    & skf21("3","6","1","7","6","1","1","1") = "6"
    & skf21("3","6","1","7","6","1","2","1") = "6"
    & skf21("3","6","1","7","6","1","3","1") = "6"
    & skf21("3","6","1","7","6","1","4","1") = "6"
    & skf21("3","6","1","7","6","1","5","1") = "6"
    & skf21("3","6","1","7","6","1","6","1") = "6"
    & skf21("3","6","1","7","6","1","7","1") = "6"
    & skf21("3","6","1","7","6","2","1","1") = "6"
    & skf21("3","6","1","7","6","2","2","1") = "6"
    & skf21("3","6","1","7","6","2","3","1") = "6"
    & skf21("3","6","1","7","6","2","4","1") = "6"
    & skf21("3","6","1","7","6","2","5","1") = "6"
    & skf21("3","6","1","7","6","2","6","1") = "6"
    & skf21("3","6","1","7","6","2","7","1") = "6"
    & skf21("3","6","1","7","6","3","1","1") = "6"
    & skf21("3","6","1","7","6","3","2","1") = "6"
    & skf21("3","6","1","7","6","3","3","1") = "6"
    & skf21("3","6","1","7","6","3","4","1") = "6"
    & skf21("3","6","1","7","6","3","5","1") = "6"
    & skf21("3","6","1","7","6","3","6","1") = "6"
    & skf21("3","6","1","7","6","3","7","1") = "6"
    & skf21("3","6","1","7","6","4","1","1") = "6"
    & skf21("3","6","1","7","6","4","2","1") = "6"
    & skf21("3","6","1","7","6","4","3","1") = "6"
    & skf21("3","6","1","7","6","4","4","1") = "6"
    & skf21("3","6","1","7","6","4","5","1") = "6"
    & skf21("3","6","1","7","6","4","6","1") = "6"
    & skf21("3","6","1","7","6","4","7","1") = "6"
    & skf21("3","6","1","7","6","5","1","1") = "6"
    & skf21("3","6","1","7","6","5","2","1") = "6"
    & skf21("3","6","1","7","6","5","3","1") = "6"
    & skf21("3","6","1","7","6","5","4","1") = "6"
    & skf21("3","6","1","7","6","5","5","1") = "6"
    & skf21("3","6","1","7","6","5","6","1") = "6"
    & skf21("3","6","1","7","6","5","7","1") = "6"
    & skf21("3","6","1","7","6","6","1","1") = "6"
    & skf21("3","6","1","7","6","6","2","1") = "6"
    & skf21("3","6","1","7","6","6","3","1") = "6"
    & skf21("3","6","1","7","6","6","4","1") = "6"
    & skf21("3","6","1","7","6","6","5","1") = "6"
    & skf21("3","6","1","7","6","6","6","1") = "6"
    & skf21("3","6","1","7","6","6","7","1") = "6"
    & skf21("3","6","1","7","6","7","1","1") = "6"
    & skf21("3","6","1","7","6","7","2","1") = "6"
    & skf21("3","6","1","7","6","7","3","1") = "6"
    & skf21("3","6","1","7","6","7","4","1") = "6"
    & skf21("3","6","1","7","6","7","5","1") = "6"
    & skf21("3","6","1","7","6","7","6","1") = "6"
    & skf21("3","6","1","7","6","7","7","1") = "6"
    & skf21("3","6","1","7","7","1","1","1") = "6"
    & skf21("3","6","1","7","7","1","2","1") = "6"
    & skf21("3","6","1","7","7","1","3","1") = "6"
    & skf21("3","6","1","7","7","1","4","1") = "6"
    & skf21("3","6","1","7","7","1","5","1") = "6"
    & skf21("3","6","1","7","7","1","6","1") = "6"
    & skf21("3","6","1","7","7","1","7","1") = "6"
    & skf21("3","6","1","7","7","2","1","1") = "6"
    & skf21("3","6","1","7","7","2","2","1") = "6"
    & skf21("3","6","1","7","7","2","3","1") = "6"
    & skf21("3","6","1","7","7","2","4","1") = "6"
    & skf21("3","6","1","7","7","2","5","1") = "6"
    & skf21("3","6","1","7","7","2","6","1") = "6"
    & skf21("3","6","1","7","7","2","7","1") = "6"
    & skf21("3","6","1","7","7","3","1","1") = "6"
    & skf21("3","6","1","7","7","3","2","1") = "6"
    & skf21("3","6","1","7","7","3","3","1") = "6"
    & skf21("3","6","1","7","7","3","4","1") = "6"
    & skf21("3","6","1","7","7","3","5","1") = "6"
    & skf21("3","6","1","7","7","3","6","1") = "6"
    & skf21("3","6","1","7","7","3","7","1") = "6"
    & skf21("3","6","1","7","7","4","1","1") = "6"
    & skf21("3","6","1","7","7","4","2","1") = "6"
    & skf21("3","6","1","7","7","4","3","1") = "6"
    & skf21("3","6","1","7","7","4","4","1") = "6"
    & skf21("3","6","1","7","7","4","5","1") = "6"
    & skf21("3","6","1","7","7","4","6","1") = "6"
    & skf21("3","6","1","7","7","4","7","1") = "6"
    & skf21("3","6","1","7","7","5","1","1") = "6"
    & skf21("3","6","1","7","7","5","2","1") = "6"
    & skf21("3","6","1","7","7","5","3","1") = "6"
    & skf21("3","6","1","7","7","5","4","1") = "6"
    & skf21("3","6","1","7","7","5","5","1") = "6"
    & skf21("3","6","1","7","7","5","6","1") = "6"
    & skf21("3","6","1","7","7","5","7","1") = "6"
    & skf21("3","6","1","7","7","6","1","1") = "6"
    & skf21("3","6","1","7","7","6","2","1") = "6"
    & skf21("3","6","1","7","7","6","3","1") = "6"
    & skf21("3","6","1","7","7","6","4","1") = "6"
    & skf21("3","6","1","7","7","6","5","1") = "6"
    & skf21("3","6","1","7","7","6","6","1") = "6"
    & skf21("3","6","1","7","7","6","7","1") = "6"
    & skf21("3","6","1","7","7","7","1","1") = "6"
    & skf21("3","6","1","7","7","7","2","1") = "6"
    & skf21("3","6","1","7","7","7","3","1") = "6"
    & skf21("3","6","1","7","7","7","4","1") = "6"
    & skf21("3","6","1","7","7","7","5","1") = "6"
    & skf21("3","6","1","7","7","7","6","1") = "6"
    & skf21("3","6","1","7","7","7","7","1") = "6"
    & skf21("3","6","2","1","1","1","1","1") = "5"
    & skf21("3","6","2","1","1","1","2","1") = "5"
    & skf21("3","6","2","1","1","1","3","1") = "5"
    & skf21("3","6","2","1","1","1","4","1") = "5"
    & skf21("3","6","2","1","1","1","5","1") = "5"
    & skf21("3","6","2","1","1","1","6","1") = "5"
    & skf21("3","6","2","1","1","1","7","1") = "6"
    & skf21("3","6","2","1","1","2","1","1") = "5"
    & skf21("3","6","2","1","1","2","2","1") = "5"
    & skf21("3","6","2","1","1","2","3","1") = "5"
    & skf21("3","6","2","1","1","2","4","1") = "5"
    & skf21("3","6","2","1","1","2","5","1") = "5"
    & skf21("3","6","2","1","1","2","6","1") = "5"
    & skf21("3","6","2","1","1","2","7","1") = "6"
    & skf21("3","6","2","1","1","3","1","1") = "5"
    & skf21("3","6","2","1","1","3","2","1") = "5"
    & skf21("3","6","2","1","1","3","3","1") = "5"
    & skf21("3","6","2","1","1","3","4","1") = "5"
    & skf21("3","6","2","1","1","3","5","1") = "5"
    & skf21("3","6","2","1","1","3","6","1") = "5"
    & skf21("3","6","2","1","1","3","7","1") = "6"
    & skf21("3","6","2","1","1","4","1","1") = "5"
    & skf21("3","6","2","1","1","4","2","1") = "5"
    & skf21("3","6","2","1","1","4","3","1") = "5"
    & skf21("3","6","2","1","1","4","4","1") = "5"
    & skf21("3","6","2","1","1","4","5","1") = "5"
    & skf21("3","6","2","1","1","4","6","1") = "5"
    & skf21("3","6","2","1","1","4","7","1") = "6"
    & skf21("3","6","2","1","1","5","1","1") = "5"
    & skf21("3","6","2","1","1","5","2","1") = "5"
    & skf21("3","6","2","1","1","5","3","1") = "5"
    & skf21("3","6","2","1","1","5","4","1") = "5"
    & skf21("3","6","2","1","1","5","5","1") = "5"
    & skf21("3","6","2","1","1","5","6","1") = "5"
    & skf21("3","6","2","1","1","5","7","1") = "6"
    & skf21("3","6","2","1","1","6","1","1") = "5"
    & skf21("3","6","2","1","1","6","2","1") = "5"
    & skf21("3","6","2","1","1","6","3","1") = "5"
    & skf21("3","6","2","1","1","6","4","1") = "5"
    & skf21("3","6","2","1","1","6","5","1") = "5"
    & skf21("3","6","2","1","1","6","6","1") = "5"
    & skf21("3","6","2","1","1","6","7","1") = "6"
    & skf21("3","6","2","1","1","7","1","1") = "6"
    & skf21("3","6","2","1","1","7","2","1") = "6"
    & skf21("3","6","2","1","1","7","3","1") = "6"
    & skf21("3","6","2","1","1","7","4","1") = "6"
    & skf21("3","6","2","1","1","7","5","1") = "6"
    & skf21("3","6","2","1","1","7","6","1") = "6"
    & skf21("3","6","2","1","1","7","7","1") = "6"
    & skf21("3","6","2","1","2","1","1","1") = "5"
    & skf21("3","6","2","1","2","1","2","1") = "5"
    & skf21("3","6","2","1","2","1","3","1") = "5"
    & skf21("3","6","2","1","2","1","4","1") = "5"
    & skf21("3","6","2","1","2","1","5","1") = "5"
    & skf21("3","6","2","1","2","1","6","1") = "5"
    & skf21("3","6","2","1","2","1","7","1") = "6"
    & skf21("3","6","2","1","2","2","1","1") = "5"
    & skf21("3","6","2","1","2","2","2","1") = "5"
    & skf21("3","6","2","1","2","2","3","1") = "5"
    & skf21("3","6","2","1","2","2","4","1") = "5"
    & skf21("3","6","2","1","2","2","5","1") = "5"
    & skf21("3","6","2","1","2","2","6","1") = "5"
    & skf21("3","6","2","1","2","2","7","1") = "6"
    & skf21("3","6","2","1","2","3","1","1") = "5"
    & skf21("3","6","2","1","2","3","2","1") = "5"
    & skf21("3","6","2","1","2","3","3","1") = "5"
    & skf21("3","6","2","1","2","3","4","1") = "5"
    & skf21("3","6","2","1","2","3","5","1") = "5"
    & skf21("3","6","2","1","2","3","6","1") = "5"
    & skf21("3","6","2","1","2","3","7","1") = "6"
    & skf21("3","6","2","1","2","4","1","1") = "5"
    & skf21("3","6","2","1","2","4","2","1") = "5"
    & skf21("3","6","2","1","2","4","3","1") = "5"
    & skf21("3","6","2","1","2","4","4","1") = "5"
    & skf21("3","6","2","1","2","4","5","1") = "5"
    & skf21("3","6","2","1","2","4","6","1") = "5"
    & skf21("3","6","2","1","2","4","7","1") = "6"
    & skf21("3","6","2","1","2","5","1","1") = "5"
    & skf21("3","6","2","1","2","5","2","1") = "5"
    & skf21("3","6","2","1","2","5","3","1") = "5"
    & skf21("3","6","2","1","2","5","4","1") = "5"
    & skf21("3","6","2","1","2","5","5","1") = "5"
    & skf21("3","6","2","1","2","5","6","1") = "5"
    & skf21("3","6","2","1","2","5","7","1") = "6"
    & skf21("3","6","2","1","2","6","1","1") = "5"
    & skf21("3","6","2","1","2","6","2","1") = "5"
    & skf21("3","6","2","1","2","6","3","1") = "5"
    & skf21("3","6","2","1","2","6","4","1") = "5"
    & skf21("3","6","2","1","2","6","5","1") = "5"
    & skf21("3","6","2","1","2","6","6","1") = "5"
    & skf21("3","6","2","1","2","6","7","1") = "6"
    & skf21("3","6","2","1","2","7","1","1") = "6"
    & skf21("3","6","2","1","2","7","2","1") = "6"
    & skf21("3","6","2","1","2","7","3","1") = "6"
    & skf21("3","6","2","1","2","7","4","1") = "6"
    & skf21("3","6","2","1","2","7","5","1") = "6"
    & skf21("3","6","2","1","2","7","6","1") = "6"
    & skf21("3","6","2","1","2","7","7","1") = "6"
    & skf21("3","6","2","1","3","1","1","1") = "5"
    & skf21("3","6","2","1","3","1","2","1") = "5"
    & skf21("3","6","2","1","3","1","3","1") = "5"
    & skf21("3","6","2","1","3","1","4","1") = "5"
    & skf21("3","6","2","1","3","1","5","1") = "5"
    & skf21("3","6","2","1","3","1","6","1") = "5"
    & skf21("3","6","2","1","3","1","7","1") = "6"
    & skf21("3","6","2","1","3","2","1","1") = "5"
    & skf21("3","6","2","1","3","2","2","1") = "5"
    & skf21("3","6","2","1","3","2","3","1") = "5"
    & skf21("3","6","2","1","3","2","4","1") = "5"
    & skf21("3","6","2","1","3","2","5","1") = "5"
    & skf21("3","6","2","1","3","2","6","1") = "5"
    & skf21("3","6","2","1","3","2","7","1") = "6"
    & skf21("3","6","2","1","3","3","1","1") = "5"
    & skf21("3","6","2","1","3","3","2","1") = "5"
    & skf21("3","6","2","1","3","3","3","1") = "5"
    & skf21("3","6","2","1","3","3","4","1") = "5"
    & skf21("3","6","2","1","3","3","5","1") = "5"
    & skf21("3","6","2","1","3","3","6","1") = "5"
    & skf21("3","6","2","1","3","3","7","1") = "6"
    & skf21("3","6","2","1","3","4","1","1") = "5"
    & skf21("3","6","2","1","3","4","2","1") = "5"
    & skf21("3","6","2","1","3","4","3","1") = "5"
    & skf21("3","6","2","1","3","4","4","1") = "5"
    & skf21("3","6","2","1","3","4","5","1") = "5"
    & skf21("3","6","2","1","3","4","6","1") = "5"
    & skf21("3","6","2","1","3","4","7","1") = "6"
    & skf21("3","6","2","1","3","5","1","1") = "5"
    & skf21("3","6","2","1","3","5","2","1") = "5"
    & skf21("3","6","2","1","3","5","3","1") = "5"
    & skf21("3","6","2","1","3","5","4","1") = "5"
    & skf21("3","6","2","1","3","5","5","1") = "5"
    & skf21("3","6","2","1","3","5","6","1") = "5"
    & skf21("3","6","2","1","3","5","7","1") = "6"
    & skf21("3","6","2","1","3","6","1","1") = "5"
    & skf21("3","6","2","1","3","6","2","1") = "5"
    & skf21("3","6","2","1","3","6","3","1") = "5"
    & skf21("3","6","2","1","3","6","4","1") = "5"
    & skf21("3","6","2","1","3","6","5","1") = "5"
    & skf21("3","6","2","1","3","6","6","1") = "5"
    & skf21("3","6","2","1","3","6","7","1") = "6"
    & skf21("3","6","2","1","3","7","1","1") = "6"
    & skf21("3","6","2","1","3","7","2","1") = "6"
    & skf21("3","6","2","1","3","7","3","1") = "6"
    & skf21("3","6","2","1","3","7","4","1") = "6"
    & skf21("3","6","2","1","3","7","5","1") = "6"
    & skf21("3","6","2","1","3","7","6","1") = "6"
    & skf21("3","6","2","1","3","7","7","1") = "6"
    & skf21("3","6","2","1","4","1","1","1") = "5"
    & skf21("3","6","2","1","4","1","2","1") = "5"
    & skf21("3","6","2","1","4","1","3","1") = "5"
    & skf21("3","6","2","1","4","1","4","1") = "5"
    & skf21("3","6","2","1","4","1","5","1") = "5"
    & skf21("3","6","2","1","4","1","6","1") = "5"
    & skf21("3","6","2","1","4","1","7","1") = "6"
    & skf21("3","6","2","1","4","2","1","1") = "5"
    & skf21("3","6","2","1","4","2","2","1") = "5"
    & skf21("3","6","2","1","4","2","3","1") = "5"
    & skf21("3","6","2","1","4","2","4","1") = "5"
    & skf21("3","6","2","1","4","2","5","1") = "5"
    & skf21("3","6","2","1","4","2","6","1") = "5"
    & skf21("3","6","2","1","4","2","7","1") = "6"
    & skf21("3","6","2","1","4","3","1","1") = "5"
    & skf21("3","6","2","1","4","3","2","1") = "5"
    & skf21("3","6","2","1","4","3","3","1") = "5"
    & skf21("3","6","2","1","4","3","4","1") = "5"
    & skf21("3","6","2","1","4","3","5","1") = "5"
    & skf21("3","6","2","1","4","3","6","1") = "5"
    & skf21("3","6","2","1","4","3","7","1") = "6"
    & skf21("3","6","2","1","4","4","1","1") = "5"
    & skf21("3","6","2","1","4","4","2","1") = "5"
    & skf21("3","6","2","1","4","4","3","1") = "5"
    & skf21("3","6","2","1","4","4","4","1") = "5"
    & skf21("3","6","2","1","4","4","5","1") = "5"
    & skf21("3","6","2","1","4","4","6","1") = "5"
    & skf21("3","6","2","1","4","4","7","1") = "6"
    & skf21("3","6","2","1","4","5","1","1") = "5"
    & skf21("3","6","2","1","4","5","2","1") = "5"
    & skf21("3","6","2","1","4","5","3","1") = "5"
    & skf21("3","6","2","1","4","5","4","1") = "5"
    & skf21("3","6","2","1","4","5","5","1") = "5"
    & skf21("3","6","2","1","4","5","6","1") = "5"
    & skf21("3","6","2","1","4","5","7","1") = "6"
    & skf21("3","6","2","1","4","6","1","1") = "5"
    & skf21("3","6","2","1","4","6","2","1") = "5"
    & skf21("3","6","2","1","4","6","3","1") = "5"
    & skf21("3","6","2","1","4","6","4","1") = "5"
    & skf21("3","6","2","1","4","6","5","1") = "5"
    & skf21("3","6","2","1","4","6","6","1") = "5"
    & skf21("3","6","2","1","4","6","7","1") = "6"
    & skf21("3","6","2","1","4","7","1","1") = "6"
    & skf21("3","6","2","1","4","7","2","1") = "6"
    & skf21("3","6","2","1","4","7","3","1") = "6"
    & skf21("3","6","2","1","4","7","4","1") = "6"
    & skf21("3","6","2","1","4","7","5","1") = "6"
    & skf21("3","6","2","1","4","7","6","1") = "6"
    & skf21("3","6","2","1","4","7","7","1") = "6"
    & skf21("3","6","2","1","5","1","1","1") = "5"
    & skf21("3","6","2","1","5","1","2","1") = "5"
    & skf21("3","6","2","1","5","1","3","1") = "5"
    & skf21("3","6","2","1","5","1","4","1") = "5"
    & skf21("3","6","2","1","5","1","5","1") = "5"
    & skf21("3","6","2","1","5","1","6","1") = "5"
    & skf21("3","6","2","1","5","1","7","1") = "6"
    & skf21("3","6","2","1","5","2","1","1") = "5"
    & skf21("3","6","2","1","5","2","2","1") = "5"
    & skf21("3","6","2","1","5","2","3","1") = "5"
    & skf21("3","6","2","1","5","2","4","1") = "5"
    & skf21("3","6","2","1","5","2","5","1") = "5"
    & skf21("3","6","2","1","5","2","6","1") = "5"
    & skf21("3","6","2","1","5","2","7","1") = "6"
    & skf21("3","6","2","1","5","3","1","1") = "5"
    & skf21("3","6","2","1","5","3","2","1") = "5"
    & skf21("3","6","2","1","5","3","3","1") = "5"
    & skf21("3","6","2","1","5","3","4","1") = "5"
    & skf21("3","6","2","1","5","3","5","1") = "5"
    & skf21("3","6","2","1","5","3","6","1") = "5"
    & skf21("3","6","2","1","5","3","7","1") = "6"
    & skf21("3","6","2","1","5","4","1","1") = "5"
    & skf21("3","6","2","1","5","4","2","1") = "5"
    & skf21("3","6","2","1","5","4","3","1") = "5"
    & skf21("3","6","2","1","5","4","4","1") = "5"
    & skf21("3","6","2","1","5","4","5","1") = "5"
    & skf21("3","6","2","1","5","4","6","1") = "5"
    & skf21("3","6","2","1","5","4","7","1") = "6"
    & skf21("3","6","2","1","5","5","1","1") = "5"
    & skf21("3","6","2","1","5","5","2","1") = "5"
    & skf21("3","6","2","1","5","5","3","1") = "5"
    & skf21("3","6","2","1","5","5","4","1") = "5"
    & skf21("3","6","2","1","5","5","5","1") = "5"
    & skf21("3","6","2","1","5","5","6","1") = "5"
    & skf21("3","6","2","1","5","5","7","1") = "6"
    & skf21("3","6","2","1","5","6","1","1") = "5"
    & skf21("3","6","2","1","5","6","2","1") = "5"
    & skf21("3","6","2","1","5","6","3","1") = "5"
    & skf21("3","6","2","1","5","6","4","1") = "5"
    & skf21("3","6","2","1","5","6","5","1") = "5"
    & skf21("3","6","2","1","5","6","6","1") = "5"
    & skf21("3","6","2","1","5","6","7","1") = "6"
    & skf21("3","6","2","1","5","7","1","1") = "6"
    & skf21("3","6","2","1","5","7","2","1") = "6"
    & skf21("3","6","2","1","5","7","3","1") = "6"
    & skf21("3","6","2","1","5","7","4","1") = "6"
    & skf21("3","6","2","1","5","7","5","1") = "6"
    & skf21("3","6","2","1","5","7","6","1") = "6"
    & skf21("3","6","2","1","5","7","7","1") = "6"
    & skf21("3","6","2","1","6","1","1","1") = "5"
    & skf21("3","6","2","1","6","1","2","1") = "5"
    & skf21("3","6","2","1","6","1","3","1") = "5"
    & skf21("3","6","2","1","6","1","4","1") = "5"
    & skf21("3","6","2","1","6","1","5","1") = "5"
    & skf21("3","6","2","1","6","1","6","1") = "5"
    & skf21("3","6","2","1","6","1","7","1") = "6"
    & skf21("3","6","2","1","6","2","1","1") = "5"
    & skf21("3","6","2","1","6","2","2","1") = "5"
    & skf21("3","6","2","1","6","2","3","1") = "5"
    & skf21("3","6","2","1","6","2","4","1") = "5"
    & skf21("3","6","2","1","6","2","5","1") = "5"
    & skf21("3","6","2","1","6","2","6","1") = "5"
    & skf21("3","6","2","1","6","2","7","1") = "6"
    & skf21("3","6","2","1","6","3","1","1") = "5"
    & skf21("3","6","2","1","6","3","2","1") = "5"
    & skf21("3","6","2","1","6","3","3","1") = "5"
    & skf21("3","6","2","1","6","3","4","1") = "5"
    & skf21("3","6","2","1","6","3","5","1") = "5"
    & skf21("3","6","2","1","6","3","6","1") = "5"
    & skf21("3","6","2","1","6","3","7","1") = "6"
    & skf21("3","6","2","1","6","4","1","1") = "5"
    & skf21("3","6","2","1","6","4","2","1") = "5"
    & skf21("3","6","2","1","6","4","3","1") = "5"
    & skf21("3","6","2","1","6","4","4","1") = "5"
    & skf21("3","6","2","1","6","4","5","1") = "5"
    & skf21("3","6","2","1","6","4","6","1") = "5"
    & skf21("3","6","2","1","6","4","7","1") = "6"
    & skf21("3","6","2","1","6","5","1","1") = "5"
    & skf21("3","6","2","1","6","5","2","1") = "5"
    & skf21("3","6","2","1","6","5","3","1") = "5"
    & skf21("3","6","2","1","6","5","4","1") = "5"
    & skf21("3","6","2","1","6","5","5","1") = "5"
    & skf21("3","6","2","1","6","5","6","1") = "5"
    & skf21("3","6","2","1","6","5","7","1") = "6"
    & skf21("3","6","2","1","6","6","1","1") = "5"
    & skf21("3","6","2","1","6","6","2","1") = "5"
    & skf21("3","6","2","1","6","6","3","1") = "5"
    & skf21("3","6","2","1","6","6","4","1") = "5"
    & skf21("3","6","2","1","6","6","5","1") = "5"
    & skf21("3","6","2","1","6","6","6","1") = "5"
    & skf21("3","6","2","1","6","6","7","1") = "6"
    & skf21("3","6","2","1","6","7","1","1") = "6"
    & skf21("3","6","2","1","6","7","2","1") = "6"
    & skf21("3","6","2","1","6","7","3","1") = "6"
    & skf21("3","6","2","1","6","7","4","1") = "6"
    & skf21("3","6","2","1","6","7","5","1") = "6"
    & skf21("3","6","2","1","6","7","6","1") = "6"
    & skf21("3","6","2","1","6","7","7","1") = "6"
    & skf21("3","6","2","1","7","1","1","1") = "6"
    & skf21("3","6","2","1","7","1","2","1") = "6"
    & skf21("3","6","2","1","7","1","3","1") = "6"
    & skf21("3","6","2","1","7","1","4","1") = "6"
    & skf21("3","6","2","1","7","1","5","1") = "6"
    & skf21("3","6","2","1","7","1","6","1") = "6"
    & skf21("3","6","2","1","7","1","7","1") = "6"
    & skf21("3","6","2","1","7","2","1","1") = "6"
    & skf21("3","6","2","1","7","2","2","1") = "6"
    & skf21("3","6","2","1","7","2","3","1") = "6"
    & skf21("3","6","2","1","7","2","4","1") = "6"
    & skf21("3","6","2","1","7","2","5","1") = "6"
    & skf21("3","6","2","1","7","2","6","1") = "6"
    & skf21("3","6","2","1","7","2","7","1") = "6"
    & skf21("3","6","2","1","7","3","1","1") = "6"
    & skf21("3","6","2","1","7","3","2","1") = "6"
    & skf21("3","6","2","1","7","3","3","1") = "6"
    & skf21("3","6","2","1","7","3","4","1") = "6"
    & skf21("3","6","2","1","7","3","5","1") = "6"
    & skf21("3","6","2","1","7","3","6","1") = "6"
    & skf21("3","6","2","1","7","3","7","1") = "6"
    & skf21("3","6","2","1","7","4","1","1") = "6"
    & skf21("3","6","2","1","7","4","2","1") = "6"
    & skf21("3","6","2","1","7","4","3","1") = "6"
    & skf21("3","6","2","1","7","4","4","1") = "6"
    & skf21("3","6","2","1","7","4","5","1") = "6"
    & skf21("3","6","2","1","7","4","6","1") = "6"
    & skf21("3","6","2","1","7","4","7","1") = "6"
    & skf21("3","6","2","1","7","5","1","1") = "6"
    & skf21("3","6","2","1","7","5","2","1") = "6"
    & skf21("3","6","2","1","7","5","3","1") = "6"
    & skf21("3","6","2","1","7","5","4","1") = "6"
    & skf21("3","6","2","1","7","5","5","1") = "6"
    & skf21("3","6","2","1","7","5","6","1") = "6"
    & skf21("3","6","2","1","7","5","7","1") = "6"
    & skf21("3","6","2","1","7","6","1","1") = "6"
    & skf21("3","6","2","1","7","6","2","1") = "6"
    & skf21("3","6","2","1","7","6","3","1") = "6"
    & skf21("3","6","2","1","7","6","4","1") = "6"
    & skf21("3","6","2","1","7","6","5","1") = "6"
    & skf21("3","6","2","1","7","6","6","1") = "6"
    & skf21("3","6","2","1","7","6","7","1") = "6"
    & skf21("3","6","2","1","7","7","1","1") = "6"
    & skf21("3","6","2","1","7","7","2","1") = "6"
    & skf21("3","6","2","1","7","7","3","1") = "6"
    & skf21("3","6","2","1","7","7","4","1") = "6"
    & skf21("3","6","2","1","7","7","5","1") = "6"
    & skf21("3","6","2","1","7","7","6","1") = "6"
    & skf21("3","6","2","1","7","7","7","1") = "6"
    & skf21("3","6","2","2","1","1","1","1") = "5"
    & skf21("3","6","2","2","1","1","2","1") = "5"
    & skf21("3","6","2","2","1","1","3","1") = "5"
    & skf21("3","6","2","2","1","1","4","1") = "5"
    & skf21("3","6","2","2","1","1","5","1") = "5"
    & skf21("3","6","2","2","1","1","6","1") = "5"
    & skf21("3","6","2","2","1","1","7","1") = "6"
    & skf21("3","6","2","2","1","2","1","1") = "5"
    & skf21("3","6","2","2","1","2","2","1") = "5"
    & skf21("3","6","2","2","1","2","3","1") = "5"
    & skf21("3","6","2","2","1","2","4","1") = "5"
    & skf21("3","6","2","2","1","2","5","1") = "5"
    & skf21("3","6","2","2","1","2","6","1") = "5"
    & skf21("3","6","2","2","1","2","7","1") = "6"
    & skf21("3","6","2","2","1","3","1","1") = "5"
    & skf21("3","6","2","2","1","3","2","1") = "5"
    & skf21("3","6","2","2","1","3","3","1") = "5"
    & skf21("3","6","2","2","1","3","4","1") = "5"
    & skf21("3","6","2","2","1","3","5","1") = "5"
    & skf21("3","6","2","2","1","3","6","1") = "5"
    & skf21("3","6","2","2","1","3","7","1") = "6"
    & skf21("3","6","2","2","1","4","1","1") = "5"
    & skf21("3","6","2","2","1","4","2","1") = "5"
    & skf21("3","6","2","2","1","4","3","1") = "5"
    & skf21("3","6","2","2","1","4","4","1") = "5"
    & skf21("3","6","2","2","1","4","5","1") = "5"
    & skf21("3","6","2","2","1","4","6","1") = "5"
    & skf21("3","6","2","2","1","4","7","1") = "6"
    & skf21("3","6","2","2","1","5","1","1") = "5"
    & skf21("3","6","2","2","1","5","2","1") = "5"
    & skf21("3","6","2","2","1","5","3","1") = "5"
    & skf21("3","6","2","2","1","5","4","1") = "5"
    & skf21("3","6","2","2","1","5","5","1") = "5"
    & skf21("3","6","2","2","1","5","6","1") = "5"
    & skf21("3","6","2","2","1","5","7","1") = "6"
    & skf21("3","6","2","2","1","6","1","1") = "5"
    & skf21("3","6","2","2","1","6","2","1") = "5"
    & skf21("3","6","2","2","1","6","3","1") = "5"
    & skf21("3","6","2","2","1","6","4","1") = "5"
    & skf21("3","6","2","2","1","6","5","1") = "5"
    & skf21("3","6","2","2","1","6","6","1") = "5"
    & skf21("3","6","2","2","1","6","7","1") = "6"
    & skf21("3","6","2","2","1","7","1","1") = "6"
    & skf21("3","6","2","2","1","7","2","1") = "6"
    & skf21("3","6","2","2","1","7","3","1") = "6"
    & skf21("3","6","2","2","1","7","4","1") = "6"
    & skf21("3","6","2","2","1","7","5","1") = "6"
    & skf21("3","6","2","2","1","7","6","1") = "6"
    & skf21("3","6","2","2","1","7","7","1") = "6"
    & skf21("3","6","2","2","2","1","1","1") = "5"
    & skf21("3","6","2","2","2","1","2","1") = "5"
    & skf21("3","6","2","2","2","1","3","1") = "5"
    & skf21("3","6","2","2","2","1","4","1") = "5"
    & skf21("3","6","2","2","2","1","5","1") = "5"
    & skf21("3","6","2","2","2","1","6","1") = "5"
    & skf21("3","6","2","2","2","1","7","1") = "6"
    & skf21("3","6","2","2","2","2","1","1") = "5"
    & skf21("3","6","2","2","2","2","2","1") = "5"
    & skf21("3","6","2","2","2","2","3","1") = "5"
    & skf21("3","6","2","2","2","2","4","1") = "5"
    & skf21("3","6","2","2","2","2","5","1") = "5"
    & skf21("3","6","2","2","2","2","6","1") = "5"
    & skf21("3","6","2","2","2","2","7","1") = "6"
    & skf21("3","6","2","2","2","3","1","1") = "5"
    & skf21("3","6","2","2","2","3","2","1") = "5"
    & skf21("3","6","2","2","2","3","3","1") = "5"
    & skf21("3","6","2","2","2","3","4","1") = "5"
    & skf21("3","6","2","2","2","3","5","1") = "5"
    & skf21("3","6","2","2","2","3","6","1") = "5"
    & skf21("3","6","2","2","2","3","7","1") = "6"
    & skf21("3","6","2","2","2","4","1","1") = "5"
    & skf21("3","6","2","2","2","4","2","1") = "5"
    & skf21("3","6","2","2","2","4","3","1") = "5"
    & skf21("3","6","2","2","2","4","4","1") = "5"
    & skf21("3","6","2","2","2","4","5","1") = "5"
    & skf21("3","6","2","2","2","4","6","1") = "5"
    & skf21("3","6","2","2","2","4","7","1") = "6"
    & skf21("3","6","2","2","2","5","1","1") = "5"
    & skf21("3","6","2","2","2","5","2","1") = "5"
    & skf21("3","6","2","2","2","5","3","1") = "5"
    & skf21("3","6","2","2","2","5","4","1") = "5"
    & skf21("3","6","2","2","2","5","5","1") = "5"
    & skf21("3","6","2","2","2","5","6","1") = "5"
    & skf21("3","6","2","2","2","5","7","1") = "6"
    & skf21("3","6","2","2","2","6","1","1") = "5"
    & skf21("3","6","2","2","2","6","2","1") = "5"
    & skf21("3","6","2","2","2","6","3","1") = "5"
    & skf21("3","6","2","2","2","6","4","1") = "5"
    & skf21("3","6","2","2","2","6","5","1") = "5"
    & skf21("3","6","2","2","2","6","6","1") = "5"
    & skf21("3","6","2","2","2","6","7","1") = "6"
    & skf21("3","6","2","2","2","7","1","1") = "6"
    & skf21("3","6","2","2","2","7","2","1") = "6"
    & skf21("3","6","2","2","2","7","3","1") = "6"
    & skf21("3","6","2","2","2","7","4","1") = "6"
    & skf21("3","6","2","2","2","7","5","1") = "6"
    & skf21("3","6","2","2","2","7","6","1") = "6"
    & skf21("3","6","2","2","2","7","7","1") = "6"
    & skf21("3","6","2","2","3","1","1","1") = "5"
    & skf21("3","6","2","2","3","1","2","1") = "5"
    & skf21("3","6","2","2","3","1","3","1") = "5"
    & skf21("3","6","2","2","3","1","4","1") = "5"
    & skf21("3","6","2","2","3","1","5","1") = "5"
    & skf21("3","6","2","2","3","1","6","1") = "5"
    & skf21("3","6","2","2","3","1","7","1") = "6"
    & skf21("3","6","2","2","3","2","1","1") = "5"
    & skf21("3","6","2","2","3","2","2","1") = "5"
    & skf21("3","6","2","2","3","2","3","1") = "5"
    & skf21("3","6","2","2","3","2","4","1") = "5"
    & skf21("3","6","2","2","3","2","5","1") = "5"
    & skf21("3","6","2","2","3","2","6","1") = "5"
    & skf21("3","6","2","2","3","2","7","1") = "6"
    & skf21("3","6","2","2","3","3","1","1") = "5"
    & skf21("3","6","2","2","3","3","2","1") = "5"
    & skf21("3","6","2","2","3","3","3","1") = "5"
    & skf21("3","6","2","2","3","3","4","1") = "5"
    & skf21("3","6","2","2","3","3","5","1") = "5"
    & skf21("3","6","2","2","3","3","6","1") = "5"
    & skf21("3","6","2","2","3","3","7","1") = "6"
    & skf21("3","6","2","2","3","4","1","1") = "5"
    & skf21("3","6","2","2","3","4","2","1") = "5"
    & skf21("3","6","2","2","3","4","3","1") = "5"
    & skf21("3","6","2","2","3","4","4","1") = "5"
    & skf21("3","6","2","2","3","4","5","1") = "5"
    & skf21("3","6","2","2","3","4","6","1") = "5"
    & skf21("3","6","2","2","3","4","7","1") = "6"
    & skf21("3","6","2","2","3","5","1","1") = "5"
    & skf21("3","6","2","2","3","5","2","1") = "5"
    & skf21("3","6","2","2","3","5","3","1") = "5"
    & skf21("3","6","2","2","3","5","4","1") = "5"
    & skf21("3","6","2","2","3","5","5","1") = "5"
    & skf21("3","6","2","2","3","5","6","1") = "5"
    & skf21("3","6","2","2","3","5","7","1") = "6"
    & skf21("3","6","2","2","3","6","1","1") = "5"
    & skf21("3","6","2","2","3","6","2","1") = "5"
    & skf21("3","6","2","2","3","6","3","1") = "5"
    & skf21("3","6","2","2","3","6","4","1") = "5"
    & skf21("3","6","2","2","3","6","5","1") = "5"
    & skf21("3","6","2","2","3","6","6","1") = "5"
    & skf21("3","6","2","2","3","6","7","1") = "6"
    & skf21("3","6","2","2","3","7","1","1") = "6"
    & skf21("3","6","2","2","3","7","2","1") = "6"
    & skf21("3","6","2","2","3","7","3","1") = "6"
    & skf21("3","6","2","2","3","7","4","1") = "6"
    & skf21("3","6","2","2","3","7","5","1") = "6"
    & skf21("3","6","2","2","3","7","6","1") = "6"
    & skf21("3","6","2","2","3","7","7","1") = "6"
    & skf21("3","6","2","2","4","1","1","1") = "5"
    & skf21("3","6","2","2","4","1","2","1") = "5"
    & skf21("3","6","2","2","4","1","3","1") = "5"
    & skf21("3","6","2","2","4","1","4","1") = "5"
    & skf21("3","6","2","2","4","1","5","1") = "5"
    & skf21("3","6","2","2","4","1","6","1") = "5"
    & skf21("3","6","2","2","4","1","7","1") = "6"
    & skf21("3","6","2","2","4","2","1","1") = "5"
    & skf21("3","6","2","2","4","2","2","1") = "5"
    & skf21("3","6","2","2","4","2","3","1") = "5"
    & skf21("3","6","2","2","4","2","4","1") = "5"
    & skf21("3","6","2","2","4","2","5","1") = "5"
    & skf21("3","6","2","2","4","2","6","1") = "5"
    & skf21("3","6","2","2","4","2","7","1") = "6"
    & skf21("3","6","2","2","4","3","1","1") = "5"
    & skf21("3","6","2","2","4","3","2","1") = "5"
    & skf21("3","6","2","2","4","3","3","1") = "5"
    & skf21("3","6","2","2","4","3","4","1") = "5"
    & skf21("3","6","2","2","4","3","5","1") = "5"
    & skf21("3","6","2","2","4","3","6","1") = "5"
    & skf21("3","6","2","2","4","3","7","1") = "6"
    & skf21("3","6","2","2","4","4","1","1") = "5"
    & skf21("3","6","2","2","4","4","2","1") = "5"
    & skf21("3","6","2","2","4","4","3","1") = "5"
    & skf21("3","6","2","2","4","4","4","1") = "5"
    & skf21("3","6","2","2","4","4","5","1") = "5"
    & skf21("3","6","2","2","4","4","6","1") = "5"
    & skf21("3","6","2","2","4","4","7","1") = "6"
    & skf21("3","6","2","2","4","5","1","1") = "5"
    & skf21("3","6","2","2","4","5","2","1") = "5"
    & skf21("3","6","2","2","4","5","3","1") = "5"
    & skf21("3","6","2","2","4","5","4","1") = "5"
    & skf21("3","6","2","2","4","5","5","1") = "5"
    & skf21("3","6","2","2","4","5","6","1") = "5"
    & skf21("3","6","2","2","4","5","7","1") = "6"
    & skf21("3","6","2","2","4","6","1","1") = "5"
    & skf21("3","6","2","2","4","6","2","1") = "5"
    & skf21("3","6","2","2","4","6","3","1") = "5"
    & skf21("3","6","2","2","4","6","4","1") = "5"
    & skf21("3","6","2","2","4","6","5","1") = "5"
    & skf21("3","6","2","2","4","6","6","1") = "5"
    & skf21("3","6","2","2","4","6","7","1") = "6"
    & skf21("3","6","2","2","4","7","1","1") = "6"
    & skf21("3","6","2","2","4","7","2","1") = "6"
    & skf21("3","6","2","2","4","7","3","1") = "6"
    & skf21("3","6","2","2","4","7","4","1") = "6"
    & skf21("3","6","2","2","4","7","5","1") = "6"
    & skf21("3","6","2","2","4","7","6","1") = "6"
    & skf21("3","6","2","2","4","7","7","1") = "6"
    & skf21("3","6","2","2","5","1","1","1") = "5"
    & skf21("3","6","2","2","5","1","2","1") = "5"
    & skf21("3","6","2","2","5","1","3","1") = "5"
    & skf21("3","6","2","2","5","1","4","1") = "5"
    & skf21("3","6","2","2","5","1","5","1") = "5"
    & skf21("3","6","2","2","5","1","6","1") = "5"
    & skf21("3","6","2","2","5","1","7","1") = "6"
    & skf21("3","6","2","2","5","2","1","1") = "5"
    & skf21("3","6","2","2","5","2","2","1") = "5"
    & skf21("3","6","2","2","5","2","3","1") = "5"
    & skf21("3","6","2","2","5","2","4","1") = "5"
    & skf21("3","6","2","2","5","2","5","1") = "5"
    & skf21("3","6","2","2","5","2","6","1") = "5"
    & skf21("3","6","2","2","5","2","7","1") = "6"
    & skf21("3","6","2","2","5","3","1","1") = "5"
    & skf21("3","6","2","2","5","3","2","1") = "5"
    & skf21("3","6","2","2","5","3","3","1") = "5"
    & skf21("3","6","2","2","5","3","4","1") = "5"
    & skf21("3","6","2","2","5","3","5","1") = "5"
    & skf21("3","6","2","2","5","3","6","1") = "5"
    & skf21("3","6","2","2","5","3","7","1") = "6"
    & skf21("3","6","2","2","5","4","1","1") = "5"
    & skf21("3","6","2","2","5","4","2","1") = "5"
    & skf21("3","6","2","2","5","4","3","1") = "5"
    & skf21("3","6","2","2","5","4","4","1") = "5"
    & skf21("3","6","2","2","5","4","5","1") = "5"
    & skf21("3","6","2","2","5","4","6","1") = "5"
    & skf21("3","6","2","2","5","4","7","1") = "6"
    & skf21("3","6","2","2","5","5","1","1") = "5"
    & skf21("3","6","2","2","5","5","2","1") = "5"
    & skf21("3","6","2","2","5","5","3","1") = "5"
    & skf21("3","6","2","2","5","5","4","1") = "5"
    & skf21("3","6","2","2","5","5","5","1") = "5"
    & skf21("3","6","2","2","5","5","6","1") = "5"
    & skf21("3","6","2","2","5","5","7","1") = "6"
    & skf21("3","6","2","2","5","6","1","1") = "5"
    & skf21("3","6","2","2","5","6","2","1") = "5"
    & skf21("3","6","2","2","5","6","3","1") = "5"
    & skf21("3","6","2","2","5","6","4","1") = "5"
    & skf21("3","6","2","2","5","6","5","1") = "5"
    & skf21("3","6","2","2","5","6","6","1") = "5"
    & skf21("3","6","2","2","5","6","7","1") = "6"
    & skf21("3","6","2","2","5","7","1","1") = "6"
    & skf21("3","6","2","2","5","7","2","1") = "6"
    & skf21("3","6","2","2","5","7","3","1") = "6"
    & skf21("3","6","2","2","5","7","4","1") = "6"
    & skf21("3","6","2","2","5","7","5","1") = "6"
    & skf21("3","6","2","2","5","7","6","1") = "6"
    & skf21("3","6","2","2","5","7","7","1") = "6"
    & skf21("3","6","2","2","6","1","1","1") = "5"
    & skf21("3","6","2","2","6","1","2","1") = "5"
    & skf21("3","6","2","2","6","1","3","1") = "5"
    & skf21("3","6","2","2","6","1","4","1") = "5"
    & skf21("3","6","2","2","6","1","5","1") = "5"
    & skf21("3","6","2","2","6","1","6","1") = "5"
    & skf21("3","6","2","2","6","1","7","1") = "6"
    & skf21("3","6","2","2","6","2","1","1") = "5"
    & skf21("3","6","2","2","6","2","2","1") = "5"
    & skf21("3","6","2","2","6","2","3","1") = "5"
    & skf21("3","6","2","2","6","2","4","1") = "5"
    & skf21("3","6","2","2","6","2","5","1") = "5"
    & skf21("3","6","2","2","6","2","6","1") = "5"
    & skf21("3","6","2","2","6","2","7","1") = "6"
    & skf21("3","6","2","2","6","3","1","1") = "5"
    & skf21("3","6","2","2","6","3","2","1") = "5"
    & skf21("3","6","2","2","6","3","3","1") = "5"
    & skf21("3","6","2","2","6","3","4","1") = "5"
    & skf21("3","6","2","2","6","3","5","1") = "5"
    & skf21("3","6","2","2","6","3","6","1") = "5"
    & skf21("3","6","2","2","6","3","7","1") = "6"
    & skf21("3","6","2","2","6","4","1","1") = "5"
    & skf21("3","6","2","2","6","4","2","1") = "5"
    & skf21("3","6","2","2","6","4","3","1") = "5"
    & skf21("3","6","2","2","6","4","4","1") = "5"
    & skf21("3","6","2","2","6","4","5","1") = "5"
    & skf21("3","6","2","2","6","4","6","1") = "5"
    & skf21("3","6","2","2","6","4","7","1") = "6"
    & skf21("3","6","2","2","6","5","1","1") = "5"
    & skf21("3","6","2","2","6","5","2","1") = "5"
    & skf21("3","6","2","2","6","5","3","1") = "5"
    & skf21("3","6","2","2","6","5","4","1") = "5"
    & skf21("3","6","2","2","6","5","5","1") = "5"
    & skf21("3","6","2","2","6","5","6","1") = "5"
    & skf21("3","6","2","2","6","5","7","1") = "6"
    & skf21("3","6","2","2","6","6","1","1") = "5"
    & skf21("3","6","2","2","6","6","2","1") = "5"
    & skf21("3","6","2","2","6","6","3","1") = "5"
    & skf21("3","6","2","2","6","6","4","1") = "5"
    & skf21("3","6","2","2","6","6","5","1") = "5"
    & skf21("3","6","2","2","6","6","6","1") = "5"
    & skf21("3","6","2","2","6","6","7","1") = "6"
    & skf21("3","6","2","2","6","7","1","1") = "6"
    & skf21("3","6","2","2","6","7","2","1") = "6"
    & skf21("3","6","2","2","6","7","3","1") = "6"
    & skf21("3","6","2","2","6","7","4","1") = "6"
    & skf21("3","6","2","2","6","7","5","1") = "6"
    & skf21("3","6","2","2","6","7","6","1") = "6"
    & skf21("3","6","2","2","6","7","7","1") = "6"
    & skf21("3","6","2","2","7","1","1","1") = "6"
    & skf21("3","6","2","2","7","1","2","1") = "6"
    & skf21("3","6","2","2","7","1","3","1") = "6"
    & skf21("3","6","2","2","7","1","4","1") = "6"
    & skf21("3","6","2","2","7","1","5","1") = "6"
    & skf21("3","6","2","2","7","1","6","1") = "6"
    & skf21("3","6","2","2","7","1","7","1") = "6"
    & skf21("3","6","2","2","7","2","1","1") = "6"
    & skf21("3","6","2","2","7","2","2","1") = "6"
    & skf21("3","6","2","2","7","2","3","1") = "6"
    & skf21("3","6","2","2","7","2","4","1") = "6"
    & skf21("3","6","2","2","7","2","5","1") = "6"
    & skf21("3","6","2","2","7","2","6","1") = "6"
    & skf21("3","6","2","2","7","2","7","1") = "6"
    & skf21("3","6","2","2","7","3","1","1") = "6"
    & skf21("3","6","2","2","7","3","2","1") = "6"
    & skf21("3","6","2","2","7","3","3","1") = "6"
    & skf21("3","6","2","2","7","3","4","1") = "6"
    & skf21("3","6","2","2","7","3","5","1") = "6"
    & skf21("3","6","2","2","7","3","6","1") = "6"
    & skf21("3","6","2","2","7","3","7","1") = "6"
    & skf21("3","6","2","2","7","4","1","1") = "6"
    & skf21("3","6","2","2","7","4","2","1") = "6"
    & skf21("3","6","2","2","7","4","3","1") = "6"
    & skf21("3","6","2","2","7","4","4","1") = "6"
    & skf21("3","6","2","2","7","4","5","1") = "6"
    & skf21("3","6","2","2","7","4","6","1") = "6"
    & skf21("3","6","2","2","7","4","7","1") = "6"
    & skf21("3","6","2","2","7","5","1","1") = "6"
    & skf21("3","6","2","2","7","5","2","1") = "6"
    & skf21("3","6","2","2","7","5","3","1") = "6"
    & skf21("3","6","2","2","7","5","4","1") = "6"
    & skf21("3","6","2","2","7","5","5","1") = "6"
    & skf21("3","6","2","2","7","5","6","1") = "6"
    & skf21("3","6","2","2","7","5","7","1") = "6"
    & skf21("3","6","2","2","7","6","1","1") = "6"
    & skf21("3","6","2","2","7","6","2","1") = "6"
    & skf21("3","6","2","2","7","6","3","1") = "6"
    & skf21("3","6","2","2","7","6","4","1") = "6"
    & skf21("3","6","2","2","7","6","5","1") = "6"
    & skf21("3","6","2","2","7","6","6","1") = "6"
    & skf21("3","6","2","2","7","6","7","1") = "6"
    & skf21("3","6","2","2","7","7","1","1") = "6"
    & skf21("3","6","2","2","7","7","2","1") = "6"
    & skf21("3","6","2","2","7","7","3","1") = "6"
    & skf21("3","6","2","2","7","7","4","1") = "6"
    & skf21("3","6","2","2","7","7","5","1") = "6"
    & skf21("3","6","2","2","7","7","6","1") = "6"
    & skf21("3","6","2","2","7","7","7","1") = "6"
    & skf21("3","6","2","3","1","1","1","1") = "5"
    & skf21("3","6","2","3","1","1","2","1") = "5"
    & skf21("3","6","2","3","1","1","3","1") = "5"
    & skf21("3","6","2","3","1","1","4","1") = "5"
    & skf21("3","6","2","3","1","1","5","1") = "5"
    & skf21("3","6","2","3","1","1","6","1") = "5"
    & skf21("3","6","2","3","1","1","7","1") = "6"
    & skf21("3","6","2","3","1","2","1","1") = "5"
    & skf21("3","6","2","3","1","2","2","1") = "5"
    & skf21("3","6","2","3","1","2","3","1") = "5"
    & skf21("3","6","2","3","1","2","4","1") = "5"
    & skf21("3","6","2","3","1","2","5","1") = "5"
    & skf21("3","6","2","3","1","2","6","1") = "5"
    & skf21("3","6","2","3","1","2","7","1") = "6"
    & skf21("3","6","2","3","1","3","1","1") = "5"
    & skf21("3","6","2","3","1","3","2","1") = "5"
    & skf21("3","6","2","3","1","3","3","1") = "5"
    & skf21("3","6","2","3","1","3","4","1") = "5"
    & skf21("3","6","2","3","1","3","5","1") = "5"
    & skf21("3","6","2","3","1","3","6","1") = "5"
    & skf21("3","6","2","3","1","3","7","1") = "6"
    & skf21("3","6","2","3","1","4","1","1") = "5"
    & skf21("3","6","2","3","1","4","2","1") = "5"
    & skf21("3","6","2","3","1","4","3","1") = "5"
    & skf21("3","6","2","3","1","4","4","1") = "5"
    & skf21("3","6","2","3","1","4","5","1") = "5"
    & skf21("3","6","2","3","1","4","6","1") = "5"
    & skf21("3","6","2","3","1","4","7","1") = "6"
    & skf21("3","6","2","3","1","5","1","1") = "5"
    & skf21("3","6","2","3","1","5","2","1") = "5"
    & skf21("3","6","2","3","1","5","3","1") = "5"
    & skf21("3","6","2","3","1","5","4","1") = "5"
    & skf21("3","6","2","3","1","5","5","1") = "5"
    & skf21("3","6","2","3","1","5","6","1") = "5"
    & skf21("3","6","2","3","1","5","7","1") = "6"
    & skf21("3","6","2","3","1","6","1","1") = "5"
    & skf21("3","6","2","3","1","6","2","1") = "5"
    & skf21("3","6","2","3","1","6","3","1") = "5"
    & skf21("3","6","2","3","1","6","4","1") = "5"
    & skf21("3","6","2","3","1","6","5","1") = "5"
    & skf21("3","6","2","3","1","6","6","1") = "5"
    & skf21("3","6","2","3","1","6","7","1") = "6"
    & skf21("3","6","2","3","1","7","1","1") = "6"
    & skf21("3","6","2","3","1","7","2","1") = "6"
    & skf21("3","6","2","3","1","7","3","1") = "6"
    & skf21("3","6","2","3","1","7","4","1") = "6"
    & skf21("3","6","2","3","1","7","5","1") = "6"
    & skf21("3","6","2","3","1","7","6","1") = "6"
    & skf21("3","6","2","3","1","7","7","1") = "6"
    & skf21("3","6","2","3","2","1","1","1") = "5"
    & skf21("3","6","2","3","2","1","2","1") = "5"
    & skf21("3","6","2","3","2","1","3","1") = "5"
    & skf21("3","6","2","3","2","1","4","1") = "5"
    & skf21("3","6","2","3","2","1","5","1") = "5"
    & skf21("3","6","2","3","2","1","6","1") = "5"
    & skf21("3","6","2","3","2","1","7","1") = "6"
    & skf21("3","6","2","3","2","2","1","1") = "5"
    & skf21("3","6","2","3","2","2","2","1") = "5"
    & skf21("3","6","2","3","2","2","3","1") = "5"
    & skf21("3","6","2","3","2","2","4","1") = "5"
    & skf21("3","6","2","3","2","2","5","1") = "5"
    & skf21("3","6","2","3","2","2","6","1") = "5"
    & skf21("3","6","2","3","2","2","7","1") = "6"
    & skf21("3","6","2","3","2","3","1","1") = "5"
    & skf21("3","6","2","3","2","3","2","1") = "5"
    & skf21("3","6","2","3","2","3","3","1") = "5"
    & skf21("3","6","2","3","2","3","4","1") = "5"
    & skf21("3","6","2","3","2","3","5","1") = "5"
    & skf21("3","6","2","3","2","3","6","1") = "5"
    & skf21("3","6","2","3","2","3","7","1") = "6"
    & skf21("3","6","2","3","2","4","1","1") = "5"
    & skf21("3","6","2","3","2","4","2","1") = "5"
    & skf21("3","6","2","3","2","4","3","1") = "5"
    & skf21("3","6","2","3","2","4","4","1") = "5"
    & skf21("3","6","2","3","2","4","5","1") = "5"
    & skf21("3","6","2","3","2","4","6","1") = "5"
    & skf21("3","6","2","3","2","4","7","1") = "6"
    & skf21("3","6","2","3","2","5","1","1") = "5"
    & skf21("3","6","2","3","2","5","2","1") = "5"
    & skf21("3","6","2","3","2","5","3","1") = "5"
    & skf21("3","6","2","3","2","5","4","1") = "5"
    & skf21("3","6","2","3","2","5","5","1") = "5"
    & skf21("3","6","2","3","2","5","6","1") = "5"
    & skf21("3","6","2","3","2","5","7","1") = "6"
    & skf21("3","6","2","3","2","6","1","1") = "5"
    & skf21("3","6","2","3","2","6","2","1") = "5"
    & skf21("3","6","2","3","2","6","3","1") = "5"
    & skf21("3","6","2","3","2","6","4","1") = "5"
    & skf21("3","6","2","3","2","6","5","1") = "5"
    & skf21("3","6","2","3","2","6","6","1") = "5"
    & skf21("3","6","2","3","2","6","7","1") = "6"
    & skf21("3","6","2","3","2","7","1","1") = "6"
    & skf21("3","6","2","3","2","7","2","1") = "6"
    & skf21("3","6","2","3","2","7","3","1") = "6"
    & skf21("3","6","2","3","2","7","4","1") = "6"
    & skf21("3","6","2","3","2","7","5","1") = "6"
    & skf21("3","6","2","3","2","7","6","1") = "6"
    & skf21("3","6","2","3","2","7","7","1") = "6"
    & skf21("3","6","2","3","3","1","1","1") = "5"
    & skf21("3","6","2","3","3","1","2","1") = "5"
    & skf21("3","6","2","3","3","1","3","1") = "5"
    & skf21("3","6","2","3","3","1","4","1") = "5"
    & skf21("3","6","2","3","3","1","5","1") = "5"
    & skf21("3","6","2","3","3","1","6","1") = "5"
    & skf21("3","6","2","3","3","1","7","1") = "6"
    & skf21("3","6","2","3","3","2","1","1") = "5"
    & skf21("3","6","2","3","3","2","2","1") = "5"
    & skf21("3","6","2","3","3","2","3","1") = "5"
    & skf21("3","6","2","3","3","2","4","1") = "5"
    & skf21("3","6","2","3","3","2","5","1") = "5"
    & skf21("3","6","2","3","3","2","6","1") = "5"
    & skf21("3","6","2","3","3","2","7","1") = "6"
    & skf21("3","6","2","3","3","3","1","1") = "5"
    & skf21("3","6","2","3","3","3","2","1") = "5"
    & skf21("3","6","2","3","3","3","3","1") = "5"
    & skf21("3","6","2","3","3","3","4","1") = "5"
    & skf21("3","6","2","3","3","3","5","1") = "5"
    & skf21("3","6","2","3","3","3","6","1") = "5"
    & skf21("3","6","2","3","3","3","7","1") = "6"
    & skf21("3","6","2","3","3","4","1","1") = "5"
    & skf21("3","6","2","3","3","4","2","1") = "5"
    & skf21("3","6","2","3","3","4","3","1") = "5"
    & skf21("3","6","2","3","3","4","4","1") = "5"
    & skf21("3","6","2","3","3","4","5","1") = "5"
    & skf21("3","6","2","3","3","4","6","1") = "5"
    & skf21("3","6","2","3","3","4","7","1") = "6"
    & skf21("3","6","2","3","3","5","1","1") = "5"
    & skf21("3","6","2","3","3","5","2","1") = "5"
    & skf21("3","6","2","3","3","5","3","1") = "5"
    & skf21("3","6","2","3","3","5","4","1") = "5"
    & skf21("3","6","2","3","3","5","5","1") = "5"
    & skf21("3","6","2","3","3","5","6","1") = "5"
    & skf21("3","6","2","3","3","5","7","1") = "6"
    & skf21("3","6","2","3","3","6","1","1") = "5"
    & skf21("3","6","2","3","3","6","2","1") = "5"
    & skf21("3","6","2","3","3","6","3","1") = "5"
    & skf21("3","6","2","3","3","6","4","1") = "5"
    & skf21("3","6","2","3","3","6","5","1") = "5"
    & skf21("3","6","2","3","3","6","6","1") = "5"
    & skf21("3","6","2","3","3","6","7","1") = "6"
    & skf21("3","6","2","3","3","7","1","1") = "6"
    & skf21("3","6","2","3","3","7","2","1") = "6"
    & skf21("3","6","2","3","3","7","3","1") = "6"
    & skf21("3","6","2","3","3","7","4","1") = "6"
    & skf21("3","6","2","3","3","7","5","1") = "6"
    & skf21("3","6","2","3","3","7","6","1") = "6"
    & skf21("3","6","2","3","3","7","7","1") = "6"
    & skf21("3","6","2","3","4","1","1","1") = "5"
    & skf21("3","6","2","3","4","1","2","1") = "5"
    & skf21("3","6","2","3","4","1","3","1") = "5"
    & skf21("3","6","2","3","4","1","4","1") = "5"
    & skf21("3","6","2","3","4","1","5","1") = "5"
    & skf21("3","6","2","3","4","1","6","1") = "5"
    & skf21("3","6","2","3","4","1","7","1") = "6"
    & skf21("3","6","2","3","4","2","1","1") = "5"
    & skf21("3","6","2","3","4","2","2","1") = "5"
    & skf21("3","6","2","3","4","2","3","1") = "5"
    & skf21("3","6","2","3","4","2","4","1") = "5"
    & skf21("3","6","2","3","4","2","5","1") = "5"
    & skf21("3","6","2","3","4","2","6","1") = "5"
    & skf21("3","6","2","3","4","2","7","1") = "6"
    & skf21("3","6","2","3","4","3","1","1") = "5"
    & skf21("3","6","2","3","4","3","2","1") = "5"
    & skf21("3","6","2","3","4","3","3","1") = "5"
    & skf21("3","6","2","3","4","3","4","1") = "5"
    & skf21("3","6","2","3","4","3","5","1") = "5"
    & skf21("3","6","2","3","4","3","6","1") = "5"
    & skf21("3","6","2","3","4","3","7","1") = "6"
    & skf21("3","6","2","3","4","4","1","1") = "5"
    & skf21("3","6","2","3","4","4","2","1") = "5"
    & skf21("3","6","2","3","4","4","3","1") = "5"
    & skf21("3","6","2","3","4","4","4","1") = "5"
    & skf21("3","6","2","3","4","4","5","1") = "5"
    & skf21("3","6","2","3","4","4","6","1") = "5"
    & skf21("3","6","2","3","4","4","7","1") = "6"
    & skf21("3","6","2","3","4","5","1","1") = "5"
    & skf21("3","6","2","3","4","5","2","1") = "5"
    & skf21("3","6","2","3","4","5","3","1") = "5"
    & skf21("3","6","2","3","4","5","4","1") = "5"
    & skf21("3","6","2","3","4","5","5","1") = "5"
    & skf21("3","6","2","3","4","5","6","1") = "5"
    & skf21("3","6","2","3","4","5","7","1") = "6"
    & skf21("3","6","2","3","4","6","1","1") = "5"
    & skf21("3","6","2","3","4","6","2","1") = "5"
    & skf21("3","6","2","3","4","6","3","1") = "5"
    & skf21("3","6","2","3","4","6","4","1") = "5"
    & skf21("3","6","2","3","4","6","5","1") = "5"
    & skf21("3","6","2","3","4","6","6","1") = "5"
    & skf21("3","6","2","3","4","6","7","1") = "6"
    & skf21("3","6","2","3","4","7","1","1") = "6"
    & skf21("3","6","2","3","4","7","2","1") = "6"
    & skf21("3","6","2","3","4","7","3","1") = "6"
    & skf21("3","6","2","3","4","7","4","1") = "6"
    & skf21("3","6","2","3","4","7","5","1") = "6"
    & skf21("3","6","2","3","4","7","6","1") = "6"
    & skf21("3","6","2","3","4","7","7","1") = "6"
    & skf21("3","6","2","3","5","1","1","1") = "5"
    & skf21("3","6","2","3","5","1","2","1") = "5"
    & skf21("3","6","2","3","5","1","3","1") = "5"
    & skf21("3","6","2","3","5","1","4","1") = "5"
    & skf21("3","6","2","3","5","1","5","1") = "5"
    & skf21("3","6","2","3","5","1","6","1") = "5"
    & skf21("3","6","2","3","5","1","7","1") = "6"
    & skf21("3","6","2","3","5","2","1","1") = "5"
    & skf21("3","6","2","3","5","2","2","1") = "5"
    & skf21("3","6","2","3","5","2","3","1") = "5"
    & skf21("3","6","2","3","5","2","4","1") = "5"
    & skf21("3","6","2","3","5","2","5","1") = "5"
    & skf21("3","6","2","3","5","2","6","1") = "5"
    & skf21("3","6","2","3","5","2","7","1") = "6"
    & skf21("3","6","2","3","5","3","1","1") = "5"
    & skf21("3","6","2","3","5","3","2","1") = "5"
    & skf21("3","6","2","3","5","3","3","1") = "5"
    & skf21("3","6","2","3","5","3","4","1") = "5"
    & skf21("3","6","2","3","5","3","5","1") = "5"
    & skf21("3","6","2","3","5","3","6","1") = "5"
    & skf21("3","6","2","3","5","3","7","1") = "6"
    & skf21("3","6","2","3","5","4","1","1") = "5"
    & skf21("3","6","2","3","5","4","2","1") = "5"
    & skf21("3","6","2","3","5","4","3","1") = "5"
    & skf21("3","6","2","3","5","4","4","1") = "5"
    & skf21("3","6","2","3","5","4","5","1") = "5"
    & skf21("3","6","2","3","5","4","6","1") = "5"
    & skf21("3","6","2","3","5","4","7","1") = "6"
    & skf21("3","6","2","3","5","5","1","1") = "5"
    & skf21("3","6","2","3","5","5","2","1") = "5"
    & skf21("3","6","2","3","5","5","3","1") = "5"
    & skf21("3","6","2","3","5","5","4","1") = "5"
    & skf21("3","6","2","3","5","5","5","1") = "5"
    & skf21("3","6","2","3","5","5","6","1") = "5"
    & skf21("3","6","2","3","5","5","7","1") = "6"
    & skf21("3","6","2","3","5","6","1","1") = "5"
    & skf21("3","6","2","3","5","6","2","1") = "5"
    & skf21("3","6","2","3","5","6","3","1") = "5"
    & skf21("3","6","2","3","5","6","4","1") = "5"
    & skf21("3","6","2","3","5","6","5","1") = "5"
    & skf21("3","6","2","3","5","6","6","1") = "5"
    & skf21("3","6","2","3","5","6","7","1") = "6"
    & skf21("3","6","2","3","5","7","1","1") = "6"
    & skf21("3","6","2","3","5","7","2","1") = "6"
    & skf21("3","6","2","3","5","7","3","1") = "6"
    & skf21("3","6","2","3","5","7","4","1") = "6"
    & skf21("3","6","2","3","5","7","5","1") = "6"
    & skf21("3","6","2","3","5","7","6","1") = "6"
    & skf21("3","6","2","3","5","7","7","1") = "6"
    & skf21("3","6","2","3","6","1","1","1") = "5"
    & skf21("3","6","2","3","6","1","2","1") = "5"
    & skf21("3","6","2","3","6","1","3","1") = "5"
    & skf21("3","6","2","3","6","1","4","1") = "5"
    & skf21("3","6","2","3","6","1","5","1") = "5"
    & skf21("3","6","2","3","6","1","6","1") = "5"
    & skf21("3","6","2","3","6","1","7","1") = "6"
    & skf21("3","6","2","3","6","2","1","1") = "5"
    & skf21("3","6","2","3","6","2","2","1") = "5"
    & skf21("3","6","2","3","6","2","3","1") = "5"
    & skf21("3","6","2","3","6","2","4","1") = "5"
    & skf21("3","6","2","3","6","2","5","1") = "5"
    & skf21("3","6","2","3","6","2","6","1") = "5"
    & skf21("3","6","2","3","6","2","7","1") = "6"
    & skf21("3","6","2","3","6","3","1","1") = "5"
    & skf21("3","6","2","3","6","3","2","1") = "5"
    & skf21("3","6","2","3","6","3","3","1") = "5"
    & skf21("3","6","2","3","6","3","4","1") = "5"
    & skf21("3","6","2","3","6","3","5","1") = "5"
    & skf21("3","6","2","3","6","3","6","1") = "5"
    & skf21("3","6","2","3","6","3","7","1") = "6"
    & skf21("3","6","2","3","6","4","1","1") = "5"
    & skf21("3","6","2","3","6","4","2","1") = "5"
    & skf21("3","6","2","3","6","4","3","1") = "5"
    & skf21("3","6","2","3","6","4","4","1") = "5"
    & skf21("3","6","2","3","6","4","5","1") = "5"
    & skf21("3","6","2","3","6","4","6","1") = "5"
    & skf21("3","6","2","3","6","4","7","1") = "6"
    & skf21("3","6","2","3","6","5","1","1") = "5"
    & skf21("3","6","2","3","6","5","2","1") = "5"
    & skf21("3","6","2","3","6","5","3","1") = "5"
    & skf21("3","6","2","3","6","5","4","1") = "5"
    & skf21("3","6","2","3","6","5","5","1") = "5"
    & skf21("3","6","2","3","6","5","6","1") = "5"
    & skf21("3","6","2","3","6","5","7","1") = "6"
    & skf21("3","6","2","3","6","6","1","1") = "5"
    & skf21("3","6","2","3","6","6","2","1") = "5"
    & skf21("3","6","2","3","6","6","3","1") = "5"
    & skf21("3","6","2","3","6","6","4","1") = "5"
    & skf21("3","6","2","3","6","6","5","1") = "5"
    & skf21("3","6","2","3","6","6","6","1") = "5"
    & skf21("3","6","2","3","6","6","7","1") = "6"
    & skf21("3","6","2","3","6","7","1","1") = "6"
    & skf21("3","6","2","3","6","7","2","1") = "6"
    & skf21("3","6","2","3","6","7","3","1") = "6"
    & skf21("3","6","2","3","6","7","4","1") = "6"
    & skf21("3","6","2","3","6","7","5","1") = "6"
    & skf21("3","6","2","3","6","7","6","1") = "6"
    & skf21("3","6","2","3","6","7","7","1") = "6"
    & skf21("3","6","2","3","7","1","1","1") = "6"
    & skf21("3","6","2","3","7","1","2","1") = "6"
    & skf21("3","6","2","3","7","1","3","1") = "6"
    & skf21("3","6","2","3","7","1","4","1") = "6"
    & skf21("3","6","2","3","7","1","5","1") = "6"
    & skf21("3","6","2","3","7","1","6","1") = "6"
    & skf21("3","6","2","3","7","1","7","1") = "6"
    & skf21("3","6","2","3","7","2","1","1") = "6"
    & skf21("3","6","2","3","7","2","2","1") = "6"
    & skf21("3","6","2","3","7","2","3","1") = "6"
    & skf21("3","6","2","3","7","2","4","1") = "6"
    & skf21("3","6","2","3","7","2","5","1") = "6"
    & skf21("3","6","2","3","7","2","6","1") = "6"
    & skf21("3","6","2","3","7","2","7","1") = "6"
    & skf21("3","6","2","3","7","3","1","1") = "6"
    & skf21("3","6","2","3","7","3","2","1") = "6"
    & skf21("3","6","2","3","7","3","3","1") = "6"
    & skf21("3","6","2","3","7","3","4","1") = "6"
    & skf21("3","6","2","3","7","3","5","1") = "6"
    & skf21("3","6","2","3","7","3","6","1") = "6"
    & skf21("3","6","2","3","7","3","7","1") = "6"
    & skf21("3","6","2","3","7","4","1","1") = "6"
    & skf21("3","6","2","3","7","4","2","1") = "6"
    & skf21("3","6","2","3","7","4","3","1") = "6"
    & skf21("3","6","2","3","7","4","4","1") = "6"
    & skf21("3","6","2","3","7","4","5","1") = "6"
    & skf21("3","6","2","3","7","4","6","1") = "6"
    & skf21("3","6","2","3","7","4","7","1") = "6"
    & skf21("3","6","2","3","7","5","1","1") = "6"
    & skf21("3","6","2","3","7","5","2","1") = "6"
    & skf21("3","6","2","3","7","5","3","1") = "6"
    & skf21("3","6","2","3","7","5","4","1") = "6"
    & skf21("3","6","2","3","7","5","5","1") = "6"
    & skf21("3","6","2","3","7","5","6","1") = "6"
    & skf21("3","6","2","3","7","5","7","1") = "6"
    & skf21("3","6","2","3","7","6","1","1") = "6"
    & skf21("3","6","2","3","7","6","2","1") = "6"
    & skf21("3","6","2","3","7","6","3","1") = "6"
    & skf21("3","6","2","3","7","6","4","1") = "6"
    & skf21("3","6","2","3","7","6","5","1") = "6"
    & skf21("3","6","2","3","7","6","6","1") = "6"
    & skf21("3","6","2","3","7","6","7","1") = "6"
    & skf21("3","6","2","3","7","7","1","1") = "6"
    & skf21("3","6","2","3","7","7","2","1") = "6"
    & skf21("3","6","2","3","7","7","3","1") = "6"
    & skf21("3","6","2","3","7","7","4","1") = "6"
    & skf21("3","6","2","3","7","7","5","1") = "6"
    & skf21("3","6","2","3","7","7","6","1") = "6"
    & skf21("3","6","2","3","7","7","7","1") = "6"
    & skf21("3","6","2","4","1","1","1","1") = "5"
    & skf21("3","6","2","4","1","1","2","1") = "5"
    & skf21("3","6","2","4","1","1","3","1") = "5"
    & skf21("3","6","2","4","1","1","4","1") = "5"
    & skf21("3","6","2","4","1","1","5","1") = "5"
    & skf21("3","6","2","4","1","1","6","1") = "5"
    & skf21("3","6","2","4","1","1","7","1") = "6"
    & skf21("3","6","2","4","1","2","1","1") = "5"
    & skf21("3","6","2","4","1","2","2","1") = "5"
    & skf21("3","6","2","4","1","2","3","1") = "5"
    & skf21("3","6","2","4","1","2","4","1") = "5"
    & skf21("3","6","2","4","1","2","5","1") = "5"
    & skf21("3","6","2","4","1","2","6","1") = "5"
    & skf21("3","6","2","4","1","2","7","1") = "6"
    & skf21("3","6","2","4","1","3","1","1") = "5"
    & skf21("3","6","2","4","1","3","2","1") = "5"
    & skf21("3","6","2","4","1","3","3","1") = "5"
    & skf21("3","6","2","4","1","3","4","1") = "5"
    & skf21("3","6","2","4","1","3","5","1") = "5"
    & skf21("3","6","2","4","1","3","6","1") = "5"
    & skf21("3","6","2","4","1","3","7","1") = "6"
    & skf21("3","6","2","4","1","4","1","1") = "5"
    & skf21("3","6","2","4","1","4","2","1") = "5"
    & skf21("3","6","2","4","1","4","3","1") = "5"
    & skf21("3","6","2","4","1","4","4","1") = "5"
    & skf21("3","6","2","4","1","4","5","1") = "5"
    & skf21("3","6","2","4","1","4","6","1") = "5"
    & skf21("3","6","2","4","1","4","7","1") = "6"
    & skf21("3","6","2","4","1","5","1","1") = "5"
    & skf21("3","6","2","4","1","5","2","1") = "5"
    & skf21("3","6","2","4","1","5","3","1") = "5"
    & skf21("3","6","2","4","1","5","4","1") = "5"
    & skf21("3","6","2","4","1","5","5","1") = "5"
    & skf21("3","6","2","4","1","5","6","1") = "5"
    & skf21("3","6","2","4","1","5","7","1") = "6"
    & skf21("3","6","2","4","1","6","1","1") = "5"
    & skf21("3","6","2","4","1","6","2","1") = "5"
    & skf21("3","6","2","4","1","6","3","1") = "5"
    & skf21("3","6","2","4","1","6","4","1") = "5"
    & skf21("3","6","2","4","1","6","5","1") = "5"
    & skf21("3","6","2","4","1","6","6","1") = "5"
    & skf21("3","6","2","4","1","6","7","1") = "6"
    & skf21("3","6","2","4","1","7","1","1") = "6"
    & skf21("3","6","2","4","1","7","2","1") = "6"
    & skf21("3","6","2","4","1","7","3","1") = "6"
    & skf21("3","6","2","4","1","7","4","1") = "6"
    & skf21("3","6","2","4","1","7","5","1") = "6"
    & skf21("3","6","2","4","1","7","6","1") = "6"
    & skf21("3","6","2","4","1","7","7","1") = "6"
    & skf21("3","6","2","4","2","1","1","1") = "5"
    & skf21("3","6","2","4","2","1","2","1") = "5"
    & skf21("3","6","2","4","2","1","3","1") = "5"
    & skf21("3","6","2","4","2","1","4","1") = "5"
    & skf21("3","6","2","4","2","1","5","1") = "5"
    & skf21("3","6","2","4","2","1","6","1") = "5"
    & skf21("3","6","2","4","2","1","7","1") = "6"
    & skf21("3","6","2","4","2","2","1","1") = "5"
    & skf21("3","6","2","4","2","2","2","1") = "5"
    & skf21("3","6","2","4","2","2","3","1") = "5"
    & skf21("3","6","2","4","2","2","4","1") = "5"
    & skf21("3","6","2","4","2","2","5","1") = "5"
    & skf21("3","6","2","4","2","2","6","1") = "5"
    & skf21("3","6","2","4","2","2","7","1") = "6"
    & skf21("3","6","2","4","2","3","1","1") = "5"
    & skf21("3","6","2","4","2","3","2","1") = "5"
    & skf21("3","6","2","4","2","3","3","1") = "5"
    & skf21("3","6","2","4","2","3","4","1") = "5"
    & skf21("3","6","2","4","2","3","5","1") = "5"
    & skf21("3","6","2","4","2","3","6","1") = "5"
    & skf21("3","6","2","4","2","3","7","1") = "6"
    & skf21("3","6","2","4","2","4","1","1") = "5"
    & skf21("3","6","2","4","2","4","2","1") = "5"
    & skf21("3","6","2","4","2","4","3","1") = "5"
    & skf21("3","6","2","4","2","4","4","1") = "5"
    & skf21("3","6","2","4","2","4","5","1") = "5"
    & skf21("3","6","2","4","2","4","6","1") = "5"
    & skf21("3","6","2","4","2","4","7","1") = "6"
    & skf21("3","6","2","4","2","5","1","1") = "5"
    & skf21("3","6","2","4","2","5","2","1") = "5"
    & skf21("3","6","2","4","2","5","3","1") = "5"
    & skf21("3","6","2","4","2","5","4","1") = "5"
    & skf21("3","6","2","4","2","5","5","1") = "5"
    & skf21("3","6","2","4","2","5","6","1") = "5"
    & skf21("3","6","2","4","2","5","7","1") = "6"
    & skf21("3","6","2","4","2","6","1","1") = "5"
    & skf21("3","6","2","4","2","6","2","1") = "5"
    & skf21("3","6","2","4","2","6","3","1") = "5"
    & skf21("3","6","2","4","2","6","4","1") = "5"
    & skf21("3","6","2","4","2","6","5","1") = "5"
    & skf21("3","6","2","4","2","6","6","1") = "5"
    & skf21("3","6","2","4","2","6","7","1") = "6"
    & skf21("3","6","2","4","2","7","1","1") = "6"
    & skf21("3","6","2","4","2","7","2","1") = "6"
    & skf21("3","6","2","4","2","7","3","1") = "6"
    & skf21("3","6","2","4","2","7","4","1") = "6"
    & skf21("3","6","2","4","2","7","5","1") = "6"
    & skf21("3","6","2","4","2","7","6","1") = "6"
    & skf21("3","6","2","4","2","7","7","1") = "6"
    & skf21("3","6","2","4","3","1","1","1") = "5"
    & skf21("3","6","2","4","3","1","2","1") = "5"
    & skf21("3","6","2","4","3","1","3","1") = "5"
    & skf21("3","6","2","4","3","1","4","1") = "5"
    & skf21("3","6","2","4","3","1","5","1") = "5"
    & skf21("3","6","2","4","3","1","6","1") = "5"
    & skf21("3","6","2","4","3","1","7","1") = "6"
    & skf21("3","6","2","4","3","2","1","1") = "5"
    & skf21("3","6","2","4","3","2","2","1") = "5"
    & skf21("3","6","2","4","3","2","3","1") = "5"
    & skf21("3","6","2","4","3","2","4","1") = "5"
    & skf21("3","6","2","4","3","2","5","1") = "5"
    & skf21("3","6","2","4","3","2","6","1") = "5"
    & skf21("3","6","2","4","3","2","7","1") = "6"
    & skf21("3","6","2","4","3","3","1","1") = "5"
    & skf21("3","6","2","4","3","3","2","1") = "5"
    & skf21("3","6","2","4","3","3","3","1") = "5"
    & skf21("3","6","2","4","3","3","4","1") = "5"
    & skf21("3","6","2","4","3","3","5","1") = "5"
    & skf21("3","6","2","4","3","3","6","1") = "5"
    & skf21("3","6","2","4","3","3","7","1") = "6"
    & skf21("3","6","2","4","3","4","1","1") = "5"
    & skf21("3","6","2","4","3","4","2","1") = "5"
    & skf21("3","6","2","4","3","4","3","1") = "5"
    & skf21("3","6","2","4","3","4","4","1") = "5"
    & skf21("3","6","2","4","3","4","5","1") = "5"
    & skf21("3","6","2","4","3","4","6","1") = "5"
    & skf21("3","6","2","4","3","4","7","1") = "6"
    & skf21("3","6","2","4","3","5","1","1") = "5"
    & skf21("3","6","2","4","3","5","2","1") = "5"
    & skf21("3","6","2","4","3","5","3","1") = "5"
    & skf21("3","6","2","4","3","5","4","1") = "5"
    & skf21("3","6","2","4","3","5","5","1") = "5"
    & skf21("3","6","2","4","3","5","6","1") = "5"
    & skf21("3","6","2","4","3","5","7","1") = "6"
    & skf21("3","6","2","4","3","6","1","1") = "5"
    & skf21("3","6","2","4","3","6","2","1") = "5"
    & skf21("3","6","2","4","3","6","3","1") = "5"
    & skf21("3","6","2","4","3","6","4","1") = "5"
    & skf21("3","6","2","4","3","6","5","1") = "5"
    & skf21("3","6","2","4","3","6","6","1") = "5"
    & skf21("3","6","2","4","3","6","7","1") = "6"
    & skf21("3","6","2","4","3","7","1","1") = "6"
    & skf21("3","6","2","4","3","7","2","1") = "6"
    & skf21("3","6","2","4","3","7","3","1") = "6"
    & skf21("3","6","2","4","3","7","4","1") = "6"
    & skf21("3","6","2","4","3","7","5","1") = "6"
    & skf21("3","6","2","4","3","7","6","1") = "6"
    & skf21("3","6","2","4","3","7","7","1") = "6"
    & skf21("3","6","2","4","4","1","1","1") = "5"
    & skf21("3","6","2","4","4","1","2","1") = "5"
    & skf21("3","6","2","4","4","1","3","1") = "5"
    & skf21("3","6","2","4","4","1","4","1") = "5"
    & skf21("3","6","2","4","4","1","5","1") = "5"
    & skf21("3","6","2","4","4","1","6","1") = "5"
    & skf21("3","6","2","4","4","1","7","1") = "6"
    & skf21("3","6","2","4","4","2","1","1") = "5"
    & skf21("3","6","2","4","4","2","2","1") = "5"
    & skf21("3","6","2","4","4","2","3","1") = "5"
    & skf21("3","6","2","4","4","2","4","1") = "5"
    & skf21("3","6","2","4","4","2","5","1") = "5"
    & skf21("3","6","2","4","4","2","6","1") = "5"
    & skf21("3","6","2","4","4","2","7","1") = "6"
    & skf21("3","6","2","4","4","3","1","1") = "5"
    & skf21("3","6","2","4","4","3","2","1") = "5"
    & skf21("3","6","2","4","4","3","3","1") = "5"
    & skf21("3","6","2","4","4","3","4","1") = "5"
    & skf21("3","6","2","4","4","3","5","1") = "5"
    & skf21("3","6","2","4","4","3","6","1") = "5"
    & skf21("3","6","2","4","4","3","7","1") = "6"
    & skf21("3","6","2","4","4","4","1","1") = "5"
    & skf21("3","6","2","4","4","4","2","1") = "5"
    & skf21("3","6","2","4","4","4","3","1") = "5"
    & skf21("3","6","2","4","4","4","4","1") = "5"
    & skf21("3","6","2","4","4","4","5","1") = "5"
    & skf21("3","6","2","4","4","4","6","1") = "5"
    & skf21("3","6","2","4","4","4","7","1") = "6"
    & skf21("3","6","2","4","4","5","1","1") = "5"
    & skf21("3","6","2","4","4","5","2","1") = "5"
    & skf21("3","6","2","4","4","5","3","1") = "5"
    & skf21("3","6","2","4","4","5","4","1") = "5"
    & skf21("3","6","2","4","4","5","5","1") = "5"
    & skf21("3","6","2","4","4","5","6","1") = "5"
    & skf21("3","6","2","4","4","5","7","1") = "6"
    & skf21("3","6","2","4","4","6","1","1") = "5"
    & skf21("3","6","2","4","4","6","2","1") = "5"
    & skf21("3","6","2","4","4","6","3","1") = "5"
    & skf21("3","6","2","4","4","6","4","1") = "5"
    & skf21("3","6","2","4","4","6","5","1") = "5"
    & skf21("3","6","2","4","4","6","6","1") = "5"
    & skf21("3","6","2","4","4","6","7","1") = "6"
    & skf21("3","6","2","4","4","7","1","1") = "6"
    & skf21("3","6","2","4","4","7","2","1") = "6"
    & skf21("3","6","2","4","4","7","3","1") = "6"
    & skf21("3","6","2","4","4","7","4","1") = "6"
    & skf21("3","6","2","4","4","7","5","1") = "6"
    & skf21("3","6","2","4","4","7","6","1") = "6"
    & skf21("3","6","2","4","4","7","7","1") = "6"
    & skf21("3","6","2","4","5","1","1","1") = "5"
    & skf21("3","6","2","4","5","1","2","1") = "5"
    & skf21("3","6","2","4","5","1","3","1") = "5"
    & skf21("3","6","2","4","5","1","4","1") = "5"
    & skf21("3","6","2","4","5","1","5","1") = "5"
    & skf21("3","6","2","4","5","1","6","1") = "5"
    & skf21("3","6","2","4","5","1","7","1") = "6"
    & skf21("3","6","2","4","5","2","1","1") = "5"
    & skf21("3","6","2","4","5","2","2","1") = "5"
    & skf21("3","6","2","4","5","2","3","1") = "5"
    & skf21("3","6","2","4","5","2","4","1") = "5"
    & skf21("3","6","2","4","5","2","5","1") = "5"
    & skf21("3","6","2","4","5","2","6","1") = "5"
    & skf21("3","6","2","4","5","2","7","1") = "6"
    & skf21("3","6","2","4","5","3","1","1") = "5"
    & skf21("3","6","2","4","5","3","2","1") = "5"
    & skf21("3","6","2","4","5","3","3","1") = "5"
    & skf21("3","6","2","4","5","3","4","1") = "5"
    & skf21("3","6","2","4","5","3","5","1") = "5"
    & skf21("3","6","2","4","5","3","6","1") = "5"
    & skf21("3","6","2","4","5","3","7","1") = "6"
    & skf21("3","6","2","4","5","4","1","1") = "5"
    & skf21("3","6","2","4","5","4","2","1") = "5"
    & skf21("3","6","2","4","5","4","3","1") = "5"
    & skf21("3","6","2","4","5","4","4","1") = "5"
    & skf21("3","6","2","4","5","4","5","1") = "5"
    & skf21("3","6","2","4","5","4","6","1") = "5"
    & skf21("3","6","2","4","5","4","7","1") = "6"
    & skf21("3","6","2","4","5","5","1","1") = "5"
    & skf21("3","6","2","4","5","5","2","1") = "5"
    & skf21("3","6","2","4","5","5","3","1") = "5"
    & skf21("3","6","2","4","5","5","4","1") = "5"
    & skf21("3","6","2","4","5","5","5","1") = "5"
    & skf21("3","6","2","4","5","5","6","1") = "5"
    & skf21("3","6","2","4","5","5","7","1") = "6"
    & skf21("3","6","2","4","5","6","1","1") = "5"
    & skf21("3","6","2","4","5","6","2","1") = "5"
    & skf21("3","6","2","4","5","6","3","1") = "5"
    & skf21("3","6","2","4","5","6","4","1") = "5"
    & skf21("3","6","2","4","5","6","5","1") = "5"
    & skf21("3","6","2","4","5","6","6","1") = "5"
    & skf21("3","6","2","4","5","6","7","1") = "6"
    & skf21("3","6","2","4","5","7","1","1") = "6"
    & skf21("3","6","2","4","5","7","2","1") = "6"
    & skf21("3","6","2","4","5","7","3","1") = "6"
    & skf21("3","6","2","4","5","7","4","1") = "6"
    & skf21("3","6","2","4","5","7","5","1") = "6"
    & skf21("3","6","2","4","5","7","6","1") = "6"
    & skf21("3","6","2","4","5","7","7","1") = "6"
    & skf21("3","6","2","4","6","1","1","1") = "5"
    & skf21("3","6","2","4","6","1","2","1") = "5"
    & skf21("3","6","2","4","6","1","3","1") = "5"
    & skf21("3","6","2","4","6","1","4","1") = "5"
    & skf21("3","6","2","4","6","1","5","1") = "5"
    & skf21("3","6","2","4","6","1","6","1") = "5"
    & skf21("3","6","2","4","6","1","7","1") = "6"
    & skf21("3","6","2","4","6","2","1","1") = "5"
    & skf21("3","6","2","4","6","2","2","1") = "5"
    & skf21("3","6","2","4","6","2","3","1") = "5"
    & skf21("3","6","2","4","6","2","4","1") = "5"
    & skf21("3","6","2","4","6","2","5","1") = "5"
    & skf21("3","6","2","4","6","2","6","1") = "5"
    & skf21("3","6","2","4","6","2","7","1") = "6"
    & skf21("3","6","2","4","6","3","1","1") = "5"
    & skf21("3","6","2","4","6","3","2","1") = "5"
    & skf21("3","6","2","4","6","3","3","1") = "5"
    & skf21("3","6","2","4","6","3","4","1") = "5"
    & skf21("3","6","2","4","6","3","5","1") = "5"
    & skf21("3","6","2","4","6","3","6","1") = "5"
    & skf21("3","6","2","4","6","3","7","1") = "6"
    & skf21("3","6","2","4","6","4","1","1") = "5"
    & skf21("3","6","2","4","6","4","2","1") = "5"
    & skf21("3","6","2","4","6","4","3","1") = "5"
    & skf21("3","6","2","4","6","4","4","1") = "5"
    & skf21("3","6","2","4","6","4","5","1") = "5"
    & skf21("3","6","2","4","6","4","6","1") = "5"
    & skf21("3","6","2","4","6","4","7","1") = "6"
    & skf21("3","6","2","4","6","5","1","1") = "5"
    & skf21("3","6","2","4","6","5","2","1") = "5"
    & skf21("3","6","2","4","6","5","3","1") = "5"
    & skf21("3","6","2","4","6","5","4","1") = "5"
    & skf21("3","6","2","4","6","5","5","1") = "5"
    & skf21("3","6","2","4","6","5","6","1") = "5"
    & skf21("3","6","2","4","6","5","7","1") = "6"
    & skf21("3","6","2","4","6","6","1","1") = "5"
    & skf21("3","6","2","4","6","6","2","1") = "5"
    & skf21("3","6","2","4","6","6","3","1") = "5"
    & skf21("3","6","2","4","6","6","4","1") = "5"
    & skf21("3","6","2","4","6","6","5","1") = "5"
    & skf21("3","6","2","4","6","6","6","1") = "5"
    & skf21("3","6","2","4","6","6","7","1") = "6"
    & skf21("3","6","2","4","6","7","1","1") = "6"
    & skf21("3","6","2","4","6","7","2","1") = "6"
    & skf21("3","6","2","4","6","7","3","1") = "6"
    & skf21("3","6","2","4","6","7","4","1") = "6"
    & skf21("3","6","2","4","6","7","5","1") = "6"
    & skf21("3","6","2","4","6","7","6","1") = "6"
    & skf21("3","6","2","4","6","7","7","1") = "6"
    & skf21("3","6","2","4","7","1","1","1") = "6"
    & skf21("3","6","2","4","7","1","2","1") = "6"
    & skf21("3","6","2","4","7","1","3","1") = "6"
    & skf21("3","6","2","4","7","1","4","1") = "6"
    & skf21("3","6","2","4","7","1","5","1") = "6"
    & skf21("3","6","2","4","7","1","6","1") = "6"
    & skf21("3","6","2","4","7","1","7","1") = "6"
    & skf21("3","6","2","4","7","2","1","1") = "6"
    & skf21("3","6","2","4","7","2","2","1") = "6"
    & skf21("3","6","2","4","7","2","3","1") = "6"
    & skf21("3","6","2","4","7","2","4","1") = "6"
    & skf21("3","6","2","4","7","2","5","1") = "6"
    & skf21("3","6","2","4","7","2","6","1") = "6"
    & skf21("3","6","2","4","7","2","7","1") = "6"
    & skf21("3","6","2","4","7","3","1","1") = "6"
    & skf21("3","6","2","4","7","3","2","1") = "6"
    & skf21("3","6","2","4","7","3","3","1") = "6"
    & skf21("3","6","2","4","7","3","4","1") = "6"
    & skf21("3","6","2","4","7","3","5","1") = "6"
    & skf21("3","6","2","4","7","3","6","1") = "6"
    & skf21("3","6","2","4","7","3","7","1") = "6"
    & skf21("3","6","2","4","7","4","1","1") = "6"
    & skf21("3","6","2","4","7","4","2","1") = "6"
    & skf21("3","6","2","4","7","4","3","1") = "6"
    & skf21("3","6","2","4","7","4","4","1") = "6"
    & skf21("3","6","2","4","7","4","5","1") = "6"
    & skf21("3","6","2","4","7","4","6","1") = "6"
    & skf21("3","6","2","4","7","4","7","1") = "6"
    & skf21("3","6","2","4","7","5","1","1") = "6"
    & skf21("3","6","2","4","7","5","2","1") = "6"
    & skf21("3","6","2","4","7","5","3","1") = "6"
    & skf21("3","6","2","4","7","5","4","1") = "6"
    & skf21("3","6","2","4","7","5","5","1") = "6"
    & skf21("3","6","2","4","7","5","6","1") = "6"
    & skf21("3","6","2","4","7","5","7","1") = "6"
    & skf21("3","6","2","4","7","6","1","1") = "6"
    & skf21("3","6","2","4","7","6","2","1") = "6"
    & skf21("3","6","2","4","7","6","3","1") = "6"
    & skf21("3","6","2","4","7","6","4","1") = "6"
    & skf21("3","6","2","4","7","6","5","1") = "6"
    & skf21("3","6","2","4","7","6","6","1") = "6"
    & skf21("3","6","2","4","7","6","7","1") = "6"
    & skf21("3","6","2","4","7","7","1","1") = "6"
    & skf21("3","6","2","4","7","7","2","1") = "6"
    & skf21("3","6","2","4","7","7","3","1") = "6"
    & skf21("3","6","2","4","7","7","4","1") = "6"
    & skf21("3","6","2","4","7","7","5","1") = "6"
    & skf21("3","6","2","4","7","7","6","1") = "6"
    & skf21("3","6","2","4","7","7","7","1") = "6"
    & skf21("3","6","2","5","1","1","1","1") = "5"
    & skf21("3","6","2","5","1","1","2","1") = "5"
    & skf21("3","6","2","5","1","1","3","1") = "5"
    & skf21("3","6","2","5","1","1","4","1") = "5"
    & skf21("3","6","2","5","1","1","5","1") = "5"
    & skf21("3","6","2","5","1","1","6","1") = "5"
    & skf21("3","6","2","5","1","1","7","1") = "6"
    & skf21("3","6","2","5","1","2","1","1") = "5"
    & skf21("3","6","2","5","1","2","2","1") = "5"
    & skf21("3","6","2","5","1","2","3","1") = "5"
    & skf21("3","6","2","5","1","2","4","1") = "5"
    & skf21("3","6","2","5","1","2","5","1") = "5"
    & skf21("3","6","2","5","1","2","6","1") = "5"
    & skf21("3","6","2","5","1","2","7","1") = "6"
    & skf21("3","6","2","5","1","3","1","1") = "5"
    & skf21("3","6","2","5","1","3","2","1") = "5"
    & skf21("3","6","2","5","1","3","3","1") = "5"
    & skf21("3","6","2","5","1","3","4","1") = "5"
    & skf21("3","6","2","5","1","3","5","1") = "5"
    & skf21("3","6","2","5","1","3","6","1") = "5"
    & skf21("3","6","2","5","1","3","7","1") = "6"
    & skf21("3","6","2","5","1","4","1","1") = "5"
    & skf21("3","6","2","5","1","4","2","1") = "5"
    & skf21("3","6","2","5","1","4","3","1") = "5"
    & skf21("3","6","2","5","1","4","4","1") = "5"
    & skf21("3","6","2","5","1","4","5","1") = "5"
    & skf21("3","6","2","5","1","4","6","1") = "5"
    & skf21("3","6","2","5","1","4","7","1") = "6"
    & skf21("3","6","2","5","1","5","1","1") = "5"
    & skf21("3","6","2","5","1","5","2","1") = "5"
    & skf21("3","6","2","5","1","5","3","1") = "5"
    & skf21("3","6","2","5","1","5","4","1") = "5"
    & skf21("3","6","2","5","1","5","5","1") = "5"
    & skf21("3","6","2","5","1","5","6","1") = "5"
    & skf21("3","6","2","5","1","5","7","1") = "6"
    & skf21("3","6","2","5","1","6","1","1") = "5"
    & skf21("3","6","2","5","1","6","2","1") = "5"
    & skf21("3","6","2","5","1","6","3","1") = "5"
    & skf21("3","6","2","5","1","6","4","1") = "5"
    & skf21("3","6","2","5","1","6","5","1") = "5"
    & skf21("3","6","2","5","1","6","6","1") = "5"
    & skf21("3","6","2","5","1","6","7","1") = "6"
    & skf21("3","6","2","5","1","7","1","1") = "6"
    & skf21("3","6","2","5","1","7","2","1") = "6"
    & skf21("3","6","2","5","1","7","3","1") = "6"
    & skf21("3","6","2","5","1","7","4","1") = "6"
    & skf21("3","6","2","5","1","7","5","1") = "6"
    & skf21("3","6","2","5","1","7","6","1") = "6"
    & skf21("3","6","2","5","1","7","7","1") = "6"
    & skf21("3","6","2","5","2","1","1","1") = "5"
    & skf21("3","6","2","5","2","1","2","1") = "5"
    & skf21("3","6","2","5","2","1","3","1") = "5"
    & skf21("3","6","2","5","2","1","4","1") = "5"
    & skf21("3","6","2","5","2","1","5","1") = "5"
    & skf21("3","6","2","5","2","1","6","1") = "5"
    & skf21("3","6","2","5","2","1","7","1") = "6"
    & skf21("3","6","2","5","2","2","1","1") = "5"
    & skf21("3","6","2","5","2","2","2","1") = "5"
    & skf21("3","6","2","5","2","2","3","1") = "5"
    & skf21("3","6","2","5","2","2","4","1") = "5"
    & skf21("3","6","2","5","2","2","5","1") = "5"
    & skf21("3","6","2","5","2","2","6","1") = "5"
    & skf21("3","6","2","5","2","2","7","1") = "6"
    & skf21("3","6","2","5","2","3","1","1") = "5"
    & skf21("3","6","2","5","2","3","2","1") = "5"
    & skf21("3","6","2","5","2","3","3","1") = "5"
    & skf21("3","6","2","5","2","3","4","1") = "5"
    & skf21("3","6","2","5","2","3","5","1") = "5"
    & skf21("3","6","2","5","2","3","6","1") = "5"
    & skf21("3","6","2","5","2","3","7","1") = "6"
    & skf21("3","6","2","5","2","4","1","1") = "5"
    & skf21("3","6","2","5","2","4","2","1") = "5"
    & skf21("3","6","2","5","2","4","3","1") = "5"
    & skf21("3","6","2","5","2","4","4","1") = "5"
    & skf21("3","6","2","5","2","4","5","1") = "5"
    & skf21("3","6","2","5","2","4","6","1") = "5"
    & skf21("3","6","2","5","2","4","7","1") = "6"
    & skf21("3","6","2","5","2","5","1","1") = "5"
    & skf21("3","6","2","5","2","5","2","1") = "5"
    & skf21("3","6","2","5","2","5","3","1") = "5"
    & skf21("3","6","2","5","2","5","4","1") = "5"
    & skf21("3","6","2","5","2","5","5","1") = "5"
    & skf21("3","6","2","5","2","5","6","1") = "5"
    & skf21("3","6","2","5","2","5","7","1") = "6"
    & skf21("3","6","2","5","2","6","1","1") = "5"
    & skf21("3","6","2","5","2","6","2","1") = "5"
    & skf21("3","6","2","5","2","6","3","1") = "5"
    & skf21("3","6","2","5","2","6","4","1") = "5"
    & skf21("3","6","2","5","2","6","5","1") = "5"
    & skf21("3","6","2","5","2","6","6","1") = "5"
    & skf21("3","6","2","5","2","6","7","1") = "6"
    & skf21("3","6","2","5","2","7","1","1") = "6"
    & skf21("3","6","2","5","2","7","2","1") = "6"
    & skf21("3","6","2","5","2","7","3","1") = "6"
    & skf21("3","6","2","5","2","7","4","1") = "6"
    & skf21("3","6","2","5","2","7","5","1") = "6"
    & skf21("3","6","2","5","2","7","6","1") = "6"
    & skf21("3","6","2","5","2","7","7","1") = "6"
    & skf21("3","6","2","5","3","1","1","1") = "5"
    & skf21("3","6","2","5","3","1","2","1") = "5"
    & skf21("3","6","2","5","3","1","3","1") = "5"
    & skf21("3","6","2","5","3","1","4","1") = "5"
    & skf21("3","6","2","5","3","1","5","1") = "5"
    & skf21("3","6","2","5","3","1","6","1") = "5"
    & skf21("3","6","2","5","3","1","7","1") = "6"
    & skf21("3","6","2","5","3","2","1","1") = "5"
    & skf21("3","6","2","5","3","2","2","1") = "5"
    & skf21("3","6","2","5","3","2","3","1") = "5"
    & skf21("3","6","2","5","3","2","4","1") = "5"
    & skf21("3","6","2","5","3","2","5","1") = "5"
    & skf21("3","6","2","5","3","2","6","1") = "5"
    & skf21("3","6","2","5","3","2","7","1") = "6"
    & skf21("3","6","2","5","3","3","1","1") = "5"
    & skf21("3","6","2","5","3","3","2","1") = "5"
    & skf21("3","6","2","5","3","3","3","1") = "5"
    & skf21("3","6","2","5","3","3","4","1") = "5"
    & skf21("3","6","2","5","3","3","5","1") = "5"
    & skf21("3","6","2","5","3","3","6","1") = "5"
    & skf21("3","6","2","5","3","3","7","1") = "6"
    & skf21("3","6","2","5","3","4","1","1") = "5"
    & skf21("3","6","2","5","3","4","2","1") = "5"
    & skf21("3","6","2","5","3","4","3","1") = "5"
    & skf21("3","6","2","5","3","4","4","1") = "5"
    & skf21("3","6","2","5","3","4","5","1") = "5"
    & skf21("3","6","2","5","3","4","6","1") = "5"
    & skf21("3","6","2","5","3","4","7","1") = "6"
    & skf21("3","6","2","5","3","5","1","1") = "5"
    & skf21("3","6","2","5","3","5","2","1") = "5"
    & skf21("3","6","2","5","3","5","3","1") = "5"
    & skf21("3","6","2","5","3","5","4","1") = "5"
    & skf21("3","6","2","5","3","5","5","1") = "5"
    & skf21("3","6","2","5","3","5","6","1") = "5"
    & skf21("3","6","2","5","3","5","7","1") = "6"
    & skf21("3","6","2","5","3","6","1","1") = "5"
    & skf21("3","6","2","5","3","6","2","1") = "5"
    & skf21("3","6","2","5","3","6","3","1") = "5"
    & skf21("3","6","2","5","3","6","4","1") = "5"
    & skf21("3","6","2","5","3","6","5","1") = "5"
    & skf21("3","6","2","5","3","6","6","1") = "5"
    & skf21("3","6","2","5","3","6","7","1") = "6"
    & skf21("3","6","2","5","3","7","1","1") = "6"
    & skf21("3","6","2","5","3","7","2","1") = "6"
    & skf21("3","6","2","5","3","7","3","1") = "6"
    & skf21("3","6","2","5","3","7","4","1") = "6"
    & skf21("3","6","2","5","3","7","5","1") = "6"
    & skf21("3","6","2","5","3","7","6","1") = "6"
    & skf21("3","6","2","5","3","7","7","1") = "6"
    & skf21("3","6","2","5","4","1","1","1") = "5"
    & skf21("3","6","2","5","4","1","2","1") = "5"
    & skf21("3","6","2","5","4","1","3","1") = "5"
    & skf21("3","6","2","5","4","1","4","1") = "5"
    & skf21("3","6","2","5","4","1","5","1") = "5"
    & skf21("3","6","2","5","4","1","6","1") = "5"
    & skf21("3","6","2","5","4","1","7","1") = "6"
    & skf21("3","6","2","5","4","2","1","1") = "5"
    & skf21("3","6","2","5","4","2","2","1") = "5"
    & skf21("3","6","2","5","4","2","3","1") = "5"
    & skf21("3","6","2","5","4","2","4","1") = "5"
    & skf21("3","6","2","5","4","2","5","1") = "5"
    & skf21("3","6","2","5","4","2","6","1") = "5"
    & skf21("3","6","2","5","4","2","7","1") = "6"
    & skf21("3","6","2","5","4","3","1","1") = "5"
    & skf21("3","6","2","5","4","3","2","1") = "5"
    & skf21("3","6","2","5","4","3","3","1") = "5"
    & skf21("3","6","2","5","4","3","4","1") = "5"
    & skf21("3","6","2","5","4","3","5","1") = "5"
    & skf21("3","6","2","5","4","3","6","1") = "5"
    & skf21("3","6","2","5","4","3","7","1") = "6"
    & skf21("3","6","2","5","4","4","1","1") = "5"
    & skf21("3","6","2","5","4","4","2","1") = "5"
    & skf21("3","6","2","5","4","4","3","1") = "5"
    & skf21("3","6","2","5","4","4","4","1") = "5"
    & skf21("3","6","2","5","4","4","5","1") = "5"
    & skf21("3","6","2","5","4","4","6","1") = "5"
    & skf21("3","6","2","5","4","4","7","1") = "6"
    & skf21("3","6","2","5","4","5","1","1") = "5"
    & skf21("3","6","2","5","4","5","2","1") = "5"
    & skf21("3","6","2","5","4","5","3","1") = "5"
    & skf21("3","6","2","5","4","5","4","1") = "5"
    & skf21("3","6","2","5","4","5","5","1") = "5"
    & skf21("3","6","2","5","4","5","6","1") = "5"
    & skf21("3","6","2","5","4","5","7","1") = "6"
    & skf21("3","6","2","5","4","6","1","1") = "5"
    & skf21("3","6","2","5","4","6","2","1") = "5"
    & skf21("3","6","2","5","4","6","3","1") = "5"
    & skf21("3","6","2","5","4","6","4","1") = "5"
    & skf21("3","6","2","5","4","6","5","1") = "5"
    & skf21("3","6","2","5","4","6","6","1") = "5"
    & skf21("3","6","2","5","4","6","7","1") = "6"
    & skf21("3","6","2","5","4","7","1","1") = "6"
    & skf21("3","6","2","5","4","7","2","1") = "6"
    & skf21("3","6","2","5","4","7","3","1") = "6"
    & skf21("3","6","2","5","4","7","4","1") = "6"
    & skf21("3","6","2","5","4","7","5","1") = "6"
    & skf21("3","6","2","5","4","7","6","1") = "6"
    & skf21("3","6","2","5","4","7","7","1") = "6"
    & skf21("3","6","2","5","5","1","1","1") = "5"
    & skf21("3","6","2","5","5","1","2","1") = "5"
    & skf21("3","6","2","5","5","1","3","1") = "5"
    & skf21("3","6","2","5","5","1","4","1") = "5"
    & skf21("3","6","2","5","5","1","5","1") = "5"
    & skf21("3","6","2","5","5","1","6","1") = "5"
    & skf21("3","6","2","5","5","1","7","1") = "6"
    & skf21("3","6","2","5","5","2","1","1") = "5"
    & skf21("3","6","2","5","5","2","2","1") = "5"
    & skf21("3","6","2","5","5","2","3","1") = "5"
    & skf21("3","6","2","5","5","2","4","1") = "5"
    & skf21("3","6","2","5","5","2","5","1") = "5"
    & skf21("3","6","2","5","5","2","6","1") = "5"
    & skf21("3","6","2","5","5","2","7","1") = "6"
    & skf21("3","6","2","5","5","3","1","1") = "5"
    & skf21("3","6","2","5","5","3","2","1") = "5"
    & skf21("3","6","2","5","5","3","3","1") = "5"
    & skf21("3","6","2","5","5","3","4","1") = "5"
    & skf21("3","6","2","5","5","3","5","1") = "5"
    & skf21("3","6","2","5","5","3","6","1") = "5"
    & skf21("3","6","2","5","5","3","7","1") = "6"
    & skf21("3","6","2","5","5","4","1","1") = "5"
    & skf21("3","6","2","5","5","4","2","1") = "5"
    & skf21("3","6","2","5","5","4","3","1") = "5"
    & skf21("3","6","2","5","5","4","4","1") = "5"
    & skf21("3","6","2","5","5","4","5","1") = "5"
    & skf21("3","6","2","5","5","4","6","1") = "5"
    & skf21("3","6","2","5","5","4","7","1") = "6"
    & skf21("3","6","2","5","5","5","1","1") = "5"
    & skf21("3","6","2","5","5","5","2","1") = "5"
    & skf21("3","6","2","5","5","5","3","1") = "5"
    & skf21("3","6","2","5","5","5","4","1") = "5"
    & skf21("3","6","2","5","5","5","5","1") = "5"
    & skf21("3","6","2","5","5","5","6","1") = "5"
    & skf21("3","6","2","5","5","5","7","1") = "6"
    & skf21("3","6","2","5","5","6","1","1") = "5"
    & skf21("3","6","2","5","5","6","2","1") = "5"
    & skf21("3","6","2","5","5","6","3","1") = "5"
    & skf21("3","6","2","5","5","6","4","1") = "5"
    & skf21("3","6","2","5","5","6","5","1") = "5"
    & skf21("3","6","2","5","5","6","6","1") = "5"
    & skf21("3","6","2","5","5","6","7","1") = "6"
    & skf21("3","6","2","5","5","7","1","1") = "6"
    & skf21("3","6","2","5","5","7","2","1") = "6"
    & skf21("3","6","2","5","5","7","3","1") = "6"
    & skf21("3","6","2","5","5","7","4","1") = "6"
    & skf21("3","6","2","5","5","7","5","1") = "6"
    & skf21("3","6","2","5","5","7","6","1") = "6"
    & skf21("3","6","2","5","5","7","7","1") = "6"
    & skf21("3","6","2","5","6","1","1","1") = "5"
    & skf21("3","6","2","5","6","1","2","1") = "5"
    & skf21("3","6","2","5","6","1","3","1") = "5"
    & skf21("3","6","2","5","6","1","4","1") = "5"
    & skf21("3","6","2","5","6","1","5","1") = "5"
    & skf21("3","6","2","5","6","1","6","1") = "5"
    & skf21("3","6","2","5","6","1","7","1") = "6"
    & skf21("3","6","2","5","6","2","1","1") = "5"
    & skf21("3","6","2","5","6","2","2","1") = "5"
    & skf21("3","6","2","5","6","2","3","1") = "5"
    & skf21("3","6","2","5","6","2","4","1") = "5"
    & skf21("3","6","2","5","6","2","5","1") = "5"
    & skf21("3","6","2","5","6","2","6","1") = "5"
    & skf21("3","6","2","5","6","2","7","1") = "6"
    & skf21("3","6","2","5","6","3","1","1") = "5"
    & skf21("3","6","2","5","6","3","2","1") = "5"
    & skf21("3","6","2","5","6","3","3","1") = "5"
    & skf21("3","6","2","5","6","3","4","1") = "5"
    & skf21("3","6","2","5","6","3","5","1") = "5"
    & skf21("3","6","2","5","6","3","6","1") = "5"
    & skf21("3","6","2","5","6","3","7","1") = "6"
    & skf21("3","6","2","5","6","4","1","1") = "5"
    & skf21("3","6","2","5","6","4","2","1") = "5"
    & skf21("3","6","2","5","6","4","3","1") = "5"
    & skf21("3","6","2","5","6","4","4","1") = "5"
    & skf21("3","6","2","5","6","4","5","1") = "5"
    & skf21("3","6","2","5","6","4","6","1") = "5"
    & skf21("3","6","2","5","6","4","7","1") = "6"
    & skf21("3","6","2","5","6","5","1","1") = "5"
    & skf21("3","6","2","5","6","5","2","1") = "5"
    & skf21("3","6","2","5","6","5","3","1") = "5"
    & skf21("3","6","2","5","6","5","4","1") = "5"
    & skf21("3","6","2","5","6","5","5","1") = "5"
    & skf21("3","6","2","5","6","5","6","1") = "5"
    & skf21("3","6","2","5","6","5","7","1") = "6"
    & skf21("3","6","2","5","6","6","1","1") = "5"
    & skf21("3","6","2","5","6","6","2","1") = "5"
    & skf21("3","6","2","5","6","6","3","1") = "5"
    & skf21("3","6","2","5","6","6","4","1") = "5"
    & skf21("3","6","2","5","6","6","5","1") = "5"
    & skf21("3","6","2","5","6","6","6","1") = "5"
    & skf21("3","6","2","5","6","6","7","1") = "6"
    & skf21("3","6","2","5","6","7","1","1") = "6"
    & skf21("3","6","2","5","6","7","2","1") = "6"
    & skf21("3","6","2","5","6","7","3","1") = "6"
    & skf21("3","6","2","5","6","7","4","1") = "6"
    & skf21("3","6","2","5","6","7","5","1") = "6"
    & skf21("3","6","2","5","6","7","6","1") = "6"
    & skf21("3","6","2","5","6","7","7","1") = "6"
    & skf21("3","6","2","5","7","1","1","1") = "6"
    & skf21("3","6","2","5","7","1","2","1") = "6"
    & skf21("3","6","2","5","7","1","3","1") = "6"
    & skf21("3","6","2","5","7","1","4","1") = "6"
    & skf21("3","6","2","5","7","1","5","1") = "6"
    & skf21("3","6","2","5","7","1","6","1") = "6"
    & skf21("3","6","2","5","7","1","7","1") = "6"
    & skf21("3","6","2","5","7","2","1","1") = "6"
    & skf21("3","6","2","5","7","2","2","1") = "6"
    & skf21("3","6","2","5","7","2","3","1") = "6"
    & skf21("3","6","2","5","7","2","4","1") = "6"
    & skf21("3","6","2","5","7","2","5","1") = "6"
    & skf21("3","6","2","5","7","2","6","1") = "6"
    & skf21("3","6","2","5","7","2","7","1") = "6"
    & skf21("3","6","2","5","7","3","1","1") = "6"
    & skf21("3","6","2","5","7","3","2","1") = "6"
    & skf21("3","6","2","5","7","3","3","1") = "6"
    & skf21("3","6","2","5","7","3","4","1") = "6"
    & skf21("3","6","2","5","7","3","5","1") = "6"
    & skf21("3","6","2","5","7","3","6","1") = "6"
    & skf21("3","6","2","5","7","3","7","1") = "6"
    & skf21("3","6","2","5","7","4","1","1") = "6"
    & skf21("3","6","2","5","7","4","2","1") = "6"
    & skf21("3","6","2","5","7","4","3","1") = "6"
    & skf21("3","6","2","5","7","4","4","1") = "6"
    & skf21("3","6","2","5","7","4","5","1") = "6"
    & skf21("3","6","2","5","7","4","6","1") = "6"
    & skf21("3","6","2","5","7","4","7","1") = "6"
    & skf21("3","6","2","5","7","5","1","1") = "6"
    & skf21("3","6","2","5","7","5","2","1") = "6"
    & skf21("3","6","2","5","7","5","3","1") = "6"
    & skf21("3","6","2","5","7","5","4","1") = "6"
    & skf21("3","6","2","5","7","5","5","1") = "6"
    & skf21("3","6","2","5","7","5","6","1") = "6"
    & skf21("3","6","2","5","7","5","7","1") = "6"
    & skf21("3","6","2","5","7","6","1","1") = "6"
    & skf21("3","6","2","5","7","6","2","1") = "6"
    & skf21("3","6","2","5","7","6","3","1") = "6"
    & skf21("3","6","2","5","7","6","4","1") = "6"
    & skf21("3","6","2","5","7","6","5","1") = "6"
    & skf21("3","6","2","5","7","6","6","1") = "6"
    & skf21("3","6","2","5","7","6","7","1") = "6"
    & skf21("3","6","2","5","7","7","1","1") = "6"
    & skf21("3","6","2","5","7","7","2","1") = "6"
    & skf21("3","6","2","5","7","7","3","1") = "6"
    & skf21("3","6","2","5","7","7","4","1") = "6"
    & skf21("3","6","2","5","7","7","5","1") = "6"
    & skf21("3","6","2","5","7","7","6","1") = "6"
    & skf21("3","6","2","5","7","7","7","1") = "6"
    & skf21("3","6","2","6","1","1","1","1") = "5"
    & skf21("3","6","2","6","1","1","2","1") = "5"
    & skf21("3","6","2","6","1","1","3","1") = "5"
    & skf21("3","6","2","6","1","1","4","1") = "5"
    & skf21("3","6","2","6","1","1","5","1") = "5"
    & skf21("3","6","2","6","1","1","6","1") = "5"
    & skf21("3","6","2","6","1","1","7","1") = "6"
    & skf21("3","6","2","6","1","2","1","1") = "5"
    & skf21("3","6","2","6","1","2","2","1") = "5"
    & skf21("3","6","2","6","1","2","3","1") = "5"
    & skf21("3","6","2","6","1","2","4","1") = "5"
    & skf21("3","6","2","6","1","2","5","1") = "5"
    & skf21("3","6","2","6","1","2","6","1") = "5"
    & skf21("3","6","2","6","1","2","7","1") = "6"
    & skf21("3","6","2","6","1","3","1","1") = "5"
    & skf21("3","6","2","6","1","3","2","1") = "5"
    & skf21("3","6","2","6","1","3","3","1") = "5"
    & skf21("3","6","2","6","1","3","4","1") = "5"
    & skf21("3","6","2","6","1","3","5","1") = "5"
    & skf21("3","6","2","6","1","3","6","1") = "5"
    & skf21("3","6","2","6","1","3","7","1") = "6"
    & skf21("3","6","2","6","1","4","1","1") = "5"
    & skf21("3","6","2","6","1","4","2","1") = "5"
    & skf21("3","6","2","6","1","4","3","1") = "5"
    & skf21("3","6","2","6","1","4","4","1") = "5"
    & skf21("3","6","2","6","1","4","5","1") = "5"
    & skf21("3","6","2","6","1","4","6","1") = "5"
    & skf21("3","6","2","6","1","4","7","1") = "6"
    & skf21("3","6","2","6","1","5","1","1") = "5"
    & skf21("3","6","2","6","1","5","2","1") = "5"
    & skf21("3","6","2","6","1","5","3","1") = "5"
    & skf21("3","6","2","6","1","5","4","1") = "5"
    & skf21("3","6","2","6","1","5","5","1") = "5"
    & skf21("3","6","2","6","1","5","6","1") = "5"
    & skf21("3","6","2","6","1","5","7","1") = "6"
    & skf21("3","6","2","6","1","6","1","1") = "5"
    & skf21("3","6","2","6","1","6","2","1") = "5"
    & skf21("3","6","2","6","1","6","3","1") = "5"
    & skf21("3","6","2","6","1","6","4","1") = "5"
    & skf21("3","6","2","6","1","6","5","1") = "5"
    & skf21("3","6","2","6","1","6","6","1") = "5"
    & skf21("3","6","2","6","1","6","7","1") = "6"
    & skf21("3","6","2","6","1","7","1","1") = "6"
    & skf21("3","6","2","6","1","7","2","1") = "6"
    & skf21("3","6","2","6","1","7","3","1") = "6"
    & skf21("3","6","2","6","1","7","4","1") = "6"
    & skf21("3","6","2","6","1","7","5","1") = "6"
    & skf21("3","6","2","6","1","7","6","1") = "6"
    & skf21("3","6","2","6","1","7","7","1") = "6"
    & skf21("3","6","2","6","2","1","1","1") = "5"
    & skf21("3","6","2","6","2","1","2","1") = "5"
    & skf21("3","6","2","6","2","1","3","1") = "5"
    & skf21("3","6","2","6","2","1","4","1") = "5"
    & skf21("3","6","2","6","2","1","5","1") = "5"
    & skf21("3","6","2","6","2","1","6","1") = "5"
    & skf21("3","6","2","6","2","1","7","1") = "6"
    & skf21("3","6","2","6","2","2","1","1") = "5"
    & skf21("3","6","2","6","2","2","2","1") = "5"
    & skf21("3","6","2","6","2","2","3","1") = "5"
    & skf21("3","6","2","6","2","2","4","1") = "5"
    & skf21("3","6","2","6","2","2","5","1") = "5"
    & skf21("3","6","2","6","2","2","6","1") = "5"
    & skf21("3","6","2","6","2","2","7","1") = "6"
    & skf21("3","6","2","6","2","3","1","1") = "5"
    & skf21("3","6","2","6","2","3","2","1") = "5"
    & skf21("3","6","2","6","2","3","3","1") = "5"
    & skf21("3","6","2","6","2","3","4","1") = "5"
    & skf21("3","6","2","6","2","3","5","1") = "5"
    & skf21("3","6","2","6","2","3","6","1") = "5"
    & skf21("3","6","2","6","2","3","7","1") = "6"
    & skf21("3","6","2","6","2","4","1","1") = "5"
    & skf21("3","6","2","6","2","4","2","1") = "5"
    & skf21("3","6","2","6","2","4","3","1") = "5"
    & skf21("3","6","2","6","2","4","4","1") = "5"
    & skf21("3","6","2","6","2","4","5","1") = "5"
    & skf21("3","6","2","6","2","4","6","1") = "5"
    & skf21("3","6","2","6","2","4","7","1") = "6"
    & skf21("3","6","2","6","2","5","1","1") = "5"
    & skf21("3","6","2","6","2","5","2","1") = "5"
    & skf21("3","6","2","6","2","5","3","1") = "5"
    & skf21("3","6","2","6","2","5","4","1") = "5"
    & skf21("3","6","2","6","2","5","5","1") = "5"
    & skf21("3","6","2","6","2","5","6","1") = "5"
    & skf21("3","6","2","6","2","5","7","1") = "6"
    & skf21("3","6","2","6","2","6","1","1") = "5"
    & skf21("3","6","2","6","2","6","2","1") = "5"
    & skf21("3","6","2","6","2","6","3","1") = "5"
    & skf21("3","6","2","6","2","6","4","1") = "5"
    & skf21("3","6","2","6","2","6","5","1") = "5"
    & skf21("3","6","2","6","2","6","6","1") = "5"
    & skf21("3","6","2","6","2","6","7","1") = "6"
    & skf21("3","6","2","6","2","7","1","1") = "6"
    & skf21("3","6","2","6","2","7","2","1") = "6"
    & skf21("3","6","2","6","2","7","3","1") = "6"
    & skf21("3","6","2","6","2","7","4","1") = "6"
    & skf21("3","6","2","6","2","7","5","1") = "6"
    & skf21("3","6","2","6","2","7","6","1") = "6"
    & skf21("3","6","2","6","2","7","7","1") = "6"
    & skf21("3","6","2","6","3","1","1","1") = "5"
    & skf21("3","6","2","6","3","1","2","1") = "5"
    & skf21("3","6","2","6","3","1","3","1") = "5"
    & skf21("3","6","2","6","3","1","4","1") = "5"
    & skf21("3","6","2","6","3","1","5","1") = "5"
    & skf21("3","6","2","6","3","1","6","1") = "5"
    & skf21("3","6","2","6","3","1","7","1") = "6"
    & skf21("3","6","2","6","3","2","1","1") = "5"
    & skf21("3","6","2","6","3","2","2","1") = "5"
    & skf21("3","6","2","6","3","2","3","1") = "5"
    & skf21("3","6","2","6","3","2","4","1") = "5"
    & skf21("3","6","2","6","3","2","5","1") = "5"
    & skf21("3","6","2","6","3","2","6","1") = "5"
    & skf21("3","6","2","6","3","2","7","1") = "6"
    & skf21("3","6","2","6","3","3","1","1") = "5"
    & skf21("3","6","2","6","3","3","2","1") = "5"
    & skf21("3","6","2","6","3","3","3","1") = "5"
    & skf21("3","6","2","6","3","3","4","1") = "5"
    & skf21("3","6","2","6","3","3","5","1") = "5"
    & skf21("3","6","2","6","3","3","6","1") = "5"
    & skf21("3","6","2","6","3","3","7","1") = "6"
    & skf21("3","6","2","6","3","4","1","1") = "5"
    & skf21("3","6","2","6","3","4","2","1") = "5"
    & skf21("3","6","2","6","3","4","3","1") = "5"
    & skf21("3","6","2","6","3","4","4","1") = "5"
    & skf21("3","6","2","6","3","4","5","1") = "5"
    & skf21("3","6","2","6","3","4","6","1") = "5"
    & skf21("3","6","2","6","3","4","7","1") = "6"
    & skf21("3","6","2","6","3","5","1","1") = "5"
    & skf21("3","6","2","6","3","5","2","1") = "5"
    & skf21("3","6","2","6","3","5","3","1") = "5"
    & skf21("3","6","2","6","3","5","4","1") = "5"
    & skf21("3","6","2","6","3","5","5","1") = "5"
    & skf21("3","6","2","6","3","5","6","1") = "5"
    & skf21("3","6","2","6","3","5","7","1") = "6"
    & skf21("3","6","2","6","3","6","1","1") = "5"
    & skf21("3","6","2","6","3","6","2","1") = "5"
    & skf21("3","6","2","6","3","6","3","1") = "5"
    & skf21("3","6","2","6","3","6","4","1") = "5"
    & skf21("3","6","2","6","3","6","5","1") = "5"
    & skf21("3","6","2","6","3","6","6","1") = "5"
    & skf21("3","6","2","6","3","6","7","1") = "6"
    & skf21("3","6","2","6","3","7","1","1") = "6"
    & skf21("3","6","2","6","3","7","2","1") = "6"
    & skf21("3","6","2","6","3","7","3","1") = "6"
    & skf21("3","6","2","6","3","7","4","1") = "6"
    & skf21("3","6","2","6","3","7","5","1") = "6"
    & skf21("3","6","2","6","3","7","6","1") = "6"
    & skf21("3","6","2","6","3","7","7","1") = "6"
    & skf21("3","6","2","6","4","1","1","1") = "5"
    & skf21("3","6","2","6","4","1","2","1") = "5"
    & skf21("3","6","2","6","4","1","3","1") = "5"
    & skf21("3","6","2","6","4","1","4","1") = "5"
    & skf21("3","6","2","6","4","1","5","1") = "5"
    & skf21("3","6","2","6","4","1","6","1") = "5"
    & skf21("3","6","2","6","4","1","7","1") = "6"
    & skf21("3","6","2","6","4","2","1","1") = "5"
    & skf21("3","6","2","6","4","2","2","1") = "5"
    & skf21("3","6","2","6","4","2","3","1") = "5"
    & skf21("3","6","2","6","4","2","4","1") = "5"
    & skf21("3","6","2","6","4","2","5","1") = "5"
    & skf21("3","6","2","6","4","2","6","1") = "5"
    & skf21("3","6","2","6","4","2","7","1") = "6"
    & skf21("3","6","2","6","4","3","1","1") = "5"
    & skf21("3","6","2","6","4","3","2","1") = "5"
    & skf21("3","6","2","6","4","3","3","1") = "5"
    & skf21("3","6","2","6","4","3","4","1") = "5"
    & skf21("3","6","2","6","4","3","5","1") = "5"
    & skf21("3","6","2","6","4","3","6","1") = "5"
    & skf21("3","6","2","6","4","3","7","1") = "6"
    & skf21("3","6","2","6","4","4","1","1") = "5"
    & skf21("3","6","2","6","4","4","2","1") = "5"
    & skf21("3","6","2","6","4","4","3","1") = "5"
    & skf21("3","6","2","6","4","4","4","1") = "5"
    & skf21("3","6","2","6","4","4","5","1") = "5"
    & skf21("3","6","2","6","4","4","6","1") = "5"
    & skf21("3","6","2","6","4","4","7","1") = "6"
    & skf21("3","6","2","6","4","5","1","1") = "5"
    & skf21("3","6","2","6","4","5","2","1") = "5"
    & skf21("3","6","2","6","4","5","3","1") = "5"
    & skf21("3","6","2","6","4","5","4","1") = "5"
    & skf21("3","6","2","6","4","5","5","1") = "5"
    & skf21("3","6","2","6","4","5","6","1") = "5"
    & skf21("3","6","2","6","4","5","7","1") = "6"
    & skf21("3","6","2","6","4","6","1","1") = "5"
    & skf21("3","6","2","6","4","6","2","1") = "5"
    & skf21("3","6","2","6","4","6","3","1") = "5"
    & skf21("3","6","2","6","4","6","4","1") = "5"
    & skf21("3","6","2","6","4","6","5","1") = "5"
    & skf21("3","6","2","6","4","6","6","1") = "5"
    & skf21("3","6","2","6","4","6","7","1") = "6"
    & skf21("3","6","2","6","4","7","1","1") = "6"
    & skf21("3","6","2","6","4","7","2","1") = "6"
    & skf21("3","6","2","6","4","7","3","1") = "6"
    & skf21("3","6","2","6","4","7","4","1") = "6"
    & skf21("3","6","2","6","4","7","5","1") = "6"
    & skf21("3","6","2","6","4","7","6","1") = "6"
    & skf21("3","6","2","6","4","7","7","1") = "6"
    & skf21("3","6","2","6","5","1","1","1") = "5"
    & skf21("3","6","2","6","5","1","2","1") = "5"
    & skf21("3","6","2","6","5","1","3","1") = "5"
    & skf21("3","6","2","6","5","1","4","1") = "5"
    & skf21("3","6","2","6","5","1","5","1") = "5"
    & skf21("3","6","2","6","5","1","6","1") = "5"
    & skf21("3","6","2","6","5","1","7","1") = "6"
    & skf21("3","6","2","6","5","2","1","1") = "5"
    & skf21("3","6","2","6","5","2","2","1") = "5"
    & skf21("3","6","2","6","5","2","3","1") = "5"
    & skf21("3","6","2","6","5","2","4","1") = "5"
    & skf21("3","6","2","6","5","2","5","1") = "5"
    & skf21("3","6","2","6","5","2","6","1") = "5"
    & skf21("3","6","2","6","5","2","7","1") = "6"
    & skf21("3","6","2","6","5","3","1","1") = "5"
    & skf21("3","6","2","6","5","3","2","1") = "5"
    & skf21("3","6","2","6","5","3","3","1") = "5"
    & skf21("3","6","2","6","5","3","4","1") = "5"
    & skf21("3","6","2","6","5","3","5","1") = "5"
    & skf21("3","6","2","6","5","3","6","1") = "5"
    & skf21("3","6","2","6","5","3","7","1") = "6"
    & skf21("3","6","2","6","5","4","1","1") = "5"
    & skf21("3","6","2","6","5","4","2","1") = "5"
    & skf21("3","6","2","6","5","4","3","1") = "5"
    & skf21("3","6","2","6","5","4","4","1") = "5"
    & skf21("3","6","2","6","5","4","5","1") = "5"
    & skf21("3","6","2","6","5","4","6","1") = "5"
    & skf21("3","6","2","6","5","4","7","1") = "6"
    & skf21("3","6","2","6","5","5","1","1") = "5"
    & skf21("3","6","2","6","5","5","2","1") = "5"
    & skf21("3","6","2","6","5","5","3","1") = "5"
    & skf21("3","6","2","6","5","5","4","1") = "5"
    & skf21("3","6","2","6","5","5","5","1") = "5"
    & skf21("3","6","2","6","5","5","6","1") = "5"
    & skf21("3","6","2","6","5","5","7","1") = "6"
    & skf21("3","6","2","6","5","6","1","1") = "5"
    & skf21("3","6","2","6","5","6","2","1") = "5"
    & skf21("3","6","2","6","5","6","3","1") = "5"
    & skf21("3","6","2","6","5","6","4","1") = "5"
    & skf21("3","6","2","6","5","6","5","1") = "5"
    & skf21("3","6","2","6","5","6","6","1") = "5"
    & skf21("3","6","2","6","5","6","7","1") = "6"
    & skf21("3","6","2","6","5","7","1","1") = "6"
    & skf21("3","6","2","6","5","7","2","1") = "6"
    & skf21("3","6","2","6","5","7","3","1") = "6"
    & skf21("3","6","2","6","5","7","4","1") = "6"
    & skf21("3","6","2","6","5","7","5","1") = "6"
    & skf21("3","6","2","6","5","7","6","1") = "6"
    & skf21("3","6","2","6","5","7","7","1") = "6"
    & skf21("3","6","2","6","6","1","1","1") = "5"
    & skf21("3","6","2","6","6","1","2","1") = "5"
    & skf21("3","6","2","6","6","1","3","1") = "5"
    & skf21("3","6","2","6","6","1","4","1") = "5"
    & skf21("3","6","2","6","6","1","5","1") = "5"
    & skf21("3","6","2","6","6","1","6","1") = "5"
    & skf21("3","6","2","6","6","1","7","1") = "6"
    & skf21("3","6","2","6","6","2","1","1") = "5"
    & skf21("3","6","2","6","6","2","2","1") = "5"
    & skf21("3","6","2","6","6","2","3","1") = "5"
    & skf21("3","6","2","6","6","2","4","1") = "5"
    & skf21("3","6","2","6","6","2","5","1") = "5"
    & skf21("3","6","2","6","6","2","6","1") = "5"
    & skf21("3","6","2","6","6","2","7","1") = "6"
    & skf21("3","6","2","6","6","3","1","1") = "5"
    & skf21("3","6","2","6","6","3","2","1") = "5"
    & skf21("3","6","2","6","6","3","3","1") = "5"
    & skf21("3","6","2","6","6","3","4","1") = "5"
    & skf21("3","6","2","6","6","3","5","1") = "5"
    & skf21("3","6","2","6","6","3","6","1") = "5"
    & skf21("3","6","2","6","6","3","7","1") = "6"
    & skf21("3","6","2","6","6","4","1","1") = "5"
    & skf21("3","6","2","6","6","4","2","1") = "5"
    & skf21("3","6","2","6","6","4","3","1") = "5"
    & skf21("3","6","2","6","6","4","4","1") = "5"
    & skf21("3","6","2","6","6","4","5","1") = "5"
    & skf21("3","6","2","6","6","4","6","1") = "5"
    & skf21("3","6","2","6","6","4","7","1") = "6"
    & skf21("3","6","2","6","6","5","1","1") = "5"
    & skf21("3","6","2","6","6","5","2","1") = "5"
    & skf21("3","6","2","6","6","5","3","1") = "5"
    & skf21("3","6","2","6","6","5","4","1") = "5"
    & skf21("3","6","2","6","6","5","5","1") = "5"
    & skf21("3","6","2","6","6","5","6","1") = "5"
    & skf21("3","6","2","6","6","5","7","1") = "6"
    & skf21("3","6","2","6","6","6","1","1") = "5"
    & skf21("3","6","2","6","6","6","2","1") = "5"
    & skf21("3","6","2","6","6","6","3","1") = "5"
    & skf21("3","6","2","6","6","6","4","1") = "5"
    & skf21("3","6","2","6","6","6","5","1") = "5"
    & skf21("3","6","2","6","6","6","6","1") = "5"
    & skf21("3","6","2","6","6","6","7","1") = "6"
    & skf21("3","6","2","6","6","7","1","1") = "6"
    & skf21("3","6","2","6","6","7","2","1") = "6"
    & skf21("3","6","2","6","6","7","3","1") = "6"
    & skf21("3","6","2","6","6","7","4","1") = "6"
    & skf21("3","6","2","6","6","7","5","1") = "6"
    & skf21("3","6","2","6","6","7","6","1") = "6"
    & skf21("3","6","2","6","6","7","7","1") = "6"
    & skf21("3","6","2","6","7","1","1","1") = "6"
    & skf21("3","6","2","6","7","1","2","1") = "6"
    & skf21("3","6","2","6","7","1","3","1") = "6"
    & skf21("3","6","2","6","7","1","4","1") = "6"
    & skf21("3","6","2","6","7","1","5","1") = "6"
    & skf21("3","6","2","6","7","1","6","1") = "6"
    & skf21("3","6","2","6","7","1","7","1") = "6"
    & skf21("3","6","2","6","7","2","1","1") = "6"
    & skf21("3","6","2","6","7","2","2","1") = "6"
    & skf21("3","6","2","6","7","2","3","1") = "6"
    & skf21("3","6","2","6","7","2","4","1") = "6"
    & skf21("3","6","2","6","7","2","5","1") = "6"
    & skf21("3","6","2","6","7","2","6","1") = "6"
    & skf21("3","6","2","6","7","2","7","1") = "6"
    & skf21("3","6","2","6","7","3","1","1") = "6"
    & skf21("3","6","2","6","7","3","2","1") = "6"
    & skf21("3","6","2","6","7","3","3","1") = "6"
    & skf21("3","6","2","6","7","3","4","1") = "6"
    & skf21("3","6","2","6","7","3","5","1") = "6"
    & skf21("3","6","2","6","7","3","6","1") = "6"
    & skf21("3","6","2","6","7","3","7","1") = "6"
    & skf21("3","6","2","6","7","4","1","1") = "6"
    & skf21("3","6","2","6","7","4","2","1") = "6"
    & skf21("3","6","2","6","7","4","3","1") = "6"
    & skf21("3","6","2","6","7","4","4","1") = "6"
    & skf21("3","6","2","6","7","4","5","1") = "6"
    & skf21("3","6","2","6","7","4","6","1") = "6"
    & skf21("3","6","2","6","7","4","7","1") = "6"
    & skf21("3","6","2","6","7","5","1","1") = "6"
    & skf21("3","6","2","6","7","5","2","1") = "6"
    & skf21("3","6","2","6","7","5","3","1") = "6"
    & skf21("3","6","2","6","7","5","4","1") = "6"
    & skf21("3","6","2","6","7","5","5","1") = "6"
    & skf21("3","6","2","6","7","5","6","1") = "6"
    & skf21("3","6","2","6","7","5","7","1") = "6"
    & skf21("3","6","2","6","7","6","1","1") = "6"
    & skf21("3","6","2","6","7","6","2","1") = "6"
    & skf21("3","6","2","6","7","6","3","1") = "6"
    & skf21("3","6","2","6","7","6","4","1") = "6"
    & skf21("3","6","2","6","7","6","5","1") = "6"
    & skf21("3","6","2","6","7","6","6","1") = "6"
    & skf21("3","6","2","6","7","6","7","1") = "6"
    & skf21("3","6","2","6","7","7","1","1") = "6"
    & skf21("3","6","2","6","7","7","2","1") = "6"
    & skf21("3","6","2","6","7","7","3","1") = "6"
    & skf21("3","6","2","6","7","7","4","1") = "6"
    & skf21("3","6","2","6","7","7","5","1") = "6"
    & skf21("3","6","2","6","7","7","6","1") = "6"
    & skf21("3","6","2","6","7","7","7","1") = "6"
    & skf21("3","6","2","7","1","1","1","1") = "6"
    & skf21("3","6","2","7","1","1","2","1") = "6"
    & skf21("3","6","2","7","1","1","3","1") = "6"
    & skf21("3","6","2","7","1","1","4","1") = "6"
    & skf21("3","6","2","7","1","1","5","1") = "6"
    & skf21("3","6","2","7","1","1","6","1") = "6"
    & skf21("3","6","2","7","1","1","7","1") = "6"
    & skf21("3","6","2","7","1","2","1","1") = "6"
    & skf21("3","6","2","7","1","2","2","1") = "6"
    & skf21("3","6","2","7","1","2","3","1") = "6"
    & skf21("3","6","2","7","1","2","4","1") = "6"
    & skf21("3","6","2","7","1","2","5","1") = "6"
    & skf21("3","6","2","7","1","2","6","1") = "6"
    & skf21("3","6","2","7","1","2","7","1") = "6"
    & skf21("3","6","2","7","1","3","1","1") = "6"
    & skf21("3","6","2","7","1","3","2","1") = "6"
    & skf21("3","6","2","7","1","3","3","1") = "6"
    & skf21("3","6","2","7","1","3","4","1") = "6"
    & skf21("3","6","2","7","1","3","5","1") = "6"
    & skf21("3","6","2","7","1","3","6","1") = "6"
    & skf21("3","6","2","7","1","3","7","1") = "6"
    & skf21("3","6","2","7","1","4","1","1") = "6"
    & skf21("3","6","2","7","1","4","2","1") = "6"
    & skf21("3","6","2","7","1","4","3","1") = "6"
    & skf21("3","6","2","7","1","4","4","1") = "6"
    & skf21("3","6","2","7","1","4","5","1") = "6"
    & skf21("3","6","2","7","1","4","6","1") = "6"
    & skf21("3","6","2","7","1","4","7","1") = "6"
    & skf21("3","6","2","7","1","5","1","1") = "6"
    & skf21("3","6","2","7","1","5","2","1") = "6"
    & skf21("3","6","2","7","1","5","3","1") = "6"
    & skf21("3","6","2","7","1","5","4","1") = "6"
    & skf21("3","6","2","7","1","5","5","1") = "6"
    & skf21("3","6","2","7","1","5","6","1") = "6"
    & skf21("3","6","2","7","1","5","7","1") = "6"
    & skf21("3","6","2","7","1","6","1","1") = "6"
    & skf21("3","6","2","7","1","6","2","1") = "6"
    & skf21("3","6","2","7","1","6","3","1") = "6"
    & skf21("3","6","2","7","1","6","4","1") = "6"
    & skf21("3","6","2","7","1","6","5","1") = "6"
    & skf21("3","6","2","7","1","6","6","1") = "6"
    & skf21("3","6","2","7","1","6","7","1") = "6"
    & skf21("3","6","2","7","1","7","1","1") = "6"
    & skf21("3","6","2","7","1","7","2","1") = "6"
    & skf21("3","6","2","7","1","7","3","1") = "6"
    & skf21("3","6","2","7","1","7","4","1") = "6"
    & skf21("3","6","2","7","1","7","5","1") = "6"
    & skf21("3","6","2","7","1","7","6","1") = "6"
    & skf21("3","6","2","7","1","7","7","1") = "6"
    & skf21("3","6","2","7","2","1","1","1") = "6"
    & skf21("3","6","2","7","2","1","2","1") = "6"
    & skf21("3","6","2","7","2","1","3","1") = "6"
    & skf21("3","6","2","7","2","1","4","1") = "6"
    & skf21("3","6","2","7","2","1","5","1") = "6"
    & skf21("3","6","2","7","2","1","6","1") = "6"
    & skf21("3","6","2","7","2","1","7","1") = "6"
    & skf21("3","6","2","7","2","2","1","1") = "6"
    & skf21("3","6","2","7","2","2","2","1") = "6"
    & skf21("3","6","2","7","2","2","3","1") = "6"
    & skf21("3","6","2","7","2","2","4","1") = "6"
    & skf21("3","6","2","7","2","2","5","1") = "6"
    & skf21("3","6","2","7","2","2","6","1") = "6"
    & skf21("3","6","2","7","2","2","7","1") = "6"
    & skf21("3","6","2","7","2","3","1","1") = "6"
    & skf21("3","6","2","7","2","3","2","1") = "6"
    & skf21("3","6","2","7","2","3","3","1") = "6"
    & skf21("3","6","2","7","2","3","4","1") = "6"
    & skf21("3","6","2","7","2","3","5","1") = "6"
    & skf21("3","6","2","7","2","3","6","1") = "6"
    & skf21("3","6","2","7","2","3","7","1") = "6"
    & skf21("3","6","2","7","2","4","1","1") = "6"
    & skf21("3","6","2","7","2","4","2","1") = "6"
    & skf21("3","6","2","7","2","4","3","1") = "6"
    & skf21("3","6","2","7","2","4","4","1") = "6"
    & skf21("3","6","2","7","2","4","5","1") = "6"
    & skf21("3","6","2","7","2","4","6","1") = "6"
    & skf21("3","6","2","7","2","4","7","1") = "6"
    & skf21("3","6","2","7","2","5","1","1") = "6"
    & skf21("3","6","2","7","2","5","2","1") = "6"
    & skf21("3","6","2","7","2","5","3","1") = "6"
    & skf21("3","6","2","7","2","5","4","1") = "6"
    & skf21("3","6","2","7","2","5","5","1") = "6"
    & skf21("3","6","2","7","2","5","6","1") = "6"
    & skf21("3","6","2","7","2","5","7","1") = "6"
    & skf21("3","6","2","7","2","6","1","1") = "6"
    & skf21("3","6","2","7","2","6","2","1") = "6"
    & skf21("3","6","2","7","2","6","3","1") = "6"
    & skf21("3","6","2","7","2","6","4","1") = "6"
    & skf21("3","6","2","7","2","6","5","1") = "6"
    & skf21("3","6","2","7","2","6","6","1") = "6"
    & skf21("3","6","2","7","2","6","7","1") = "6"
    & skf21("3","6","2","7","2","7","1","1") = "6"
    & skf21("3","6","2","7","2","7","2","1") = "6"
    & skf21("3","6","2","7","2","7","3","1") = "6"
    & skf21("3","6","2","7","2","7","4","1") = "6"
    & skf21("3","6","2","7","2","7","5","1") = "6"
    & skf21("3","6","2","7","2","7","6","1") = "6"
    & skf21("3","6","2","7","2","7","7","1") = "6"
    & skf21("3","6","2","7","3","1","1","1") = "6"
    & skf21("3","6","2","7","3","1","2","1") = "6"
    & skf21("3","6","2","7","3","1","3","1") = "6"
    & skf21("3","6","2","7","3","1","4","1") = "6"
    & skf21("3","6","2","7","3","1","5","1") = "6"
    & skf21("3","6","2","7","3","1","6","1") = "6"
    & skf21("3","6","2","7","3","1","7","1") = "6"
    & skf21("3","6","2","7","3","2","1","1") = "6"
    & skf21("3","6","2","7","3","2","2","1") = "6"
    & skf21("3","6","2","7","3","2","3","1") = "6"
    & skf21("3","6","2","7","3","2","4","1") = "6"
    & skf21("3","6","2","7","3","2","5","1") = "6"
    & skf21("3","6","2","7","3","2","6","1") = "6"
    & skf21("3","6","2","7","3","2","7","1") = "6"
    & skf21("3","6","2","7","3","3","1","1") = "6"
    & skf21("3","6","2","7","3","3","2","1") = "6"
    & skf21("3","6","2","7","3","3","3","1") = "6"
    & skf21("3","6","2","7","3","3","4","1") = "6"
    & skf21("3","6","2","7","3","3","5","1") = "6"
    & skf21("3","6","2","7","3","3","6","1") = "6"
    & skf21("3","6","2","7","3","3","7","1") = "6"
    & skf21("3","6","2","7","3","4","1","1") = "6"
    & skf21("3","6","2","7","3","4","2","1") = "6"
    & skf21("3","6","2","7","3","4","3","1") = "6"
    & skf21("3","6","2","7","3","4","4","1") = "6"
    & skf21("3","6","2","7","3","4","5","1") = "6"
    & skf21("3","6","2","7","3","4","6","1") = "6"
    & skf21("3","6","2","7","3","4","7","1") = "6"
    & skf21("3","6","2","7","3","5","1","1") = "6"
    & skf21("3","6","2","7","3","5","2","1") = "6"
    & skf21("3","6","2","7","3","5","3","1") = "6"
    & skf21("3","6","2","7","3","5","4","1") = "6"
    & skf21("3","6","2","7","3","5","5","1") = "6"
    & skf21("3","6","2","7","3","5","6","1") = "6"
    & skf21("3","6","2","7","3","5","7","1") = "6"
    & skf21("3","6","2","7","3","6","1","1") = "6"
    & skf21("3","6","2","7","3","6","2","1") = "6"
    & skf21("3","6","2","7","3","6","3","1") = "6"
    & skf21("3","6","2","7","3","6","4","1") = "6"
    & skf21("3","6","2","7","3","6","5","1") = "6"
    & skf21("3","6","2","7","3","6","6","1") = "6"
    & skf21("3","6","2","7","3","6","7","1") = "6"
    & skf21("3","6","2","7","3","7","1","1") = "6"
    & skf21("3","6","2","7","3","7","2","1") = "6"
    & skf21("3","6","2","7","3","7","3","1") = "6"
    & skf21("3","6","2","7","3","7","4","1") = "6"
    & skf21("3","6","2","7","3","7","5","1") = "6"
    & skf21("3","6","2","7","3","7","6","1") = "6"
    & skf21("3","6","2","7","3","7","7","1") = "6"
    & skf21("3","6","2","7","4","1","1","1") = "6"
    & skf21("3","6","2","7","4","1","2","1") = "6"
    & skf21("3","6","2","7","4","1","3","1") = "6"
    & skf21("3","6","2","7","4","1","4","1") = "6"
    & skf21("3","6","2","7","4","1","5","1") = "6"
    & skf21("3","6","2","7","4","1","6","1") = "6"
    & skf21("3","6","2","7","4","1","7","1") = "6"
    & skf21("3","6","2","7","4","2","1","1") = "6"
    & skf21("3","6","2","7","4","2","2","1") = "6"
    & skf21("3","6","2","7","4","2","3","1") = "6"
    & skf21("3","6","2","7","4","2","4","1") = "6"
    & skf21("3","6","2","7","4","2","5","1") = "6"
    & skf21("3","6","2","7","4","2","6","1") = "6"
    & skf21("3","6","2","7","4","2","7","1") = "6"
    & skf21("3","6","2","7","4","3","1","1") = "6"
    & skf21("3","6","2","7","4","3","2","1") = "6"
    & skf21("3","6","2","7","4","3","3","1") = "6"
    & skf21("3","6","2","7","4","3","4","1") = "6"
    & skf21("3","6","2","7","4","3","5","1") = "6"
    & skf21("3","6","2","7","4","3","6","1") = "6"
    & skf21("3","6","2","7","4","3","7","1") = "6"
    & skf21("3","6","2","7","4","4","1","1") = "6"
    & skf21("3","6","2","7","4","4","2","1") = "6"
    & skf21("3","6","2","7","4","4","3","1") = "6"
    & skf21("3","6","2","7","4","4","4","1") = "6"
    & skf21("3","6","2","7","4","4","5","1") = "6"
    & skf21("3","6","2","7","4","4","6","1") = "6"
    & skf21("3","6","2","7","4","4","7","1") = "6"
    & skf21("3","6","2","7","4","5","1","1") = "6"
    & skf21("3","6","2","7","4","5","2","1") = "6"
    & skf21("3","6","2","7","4","5","3","1") = "6"
    & skf21("3","6","2","7","4","5","4","1") = "6"
    & skf21("3","6","2","7","4","5","5","1") = "6"
    & skf21("3","6","2","7","4","5","6","1") = "6"
    & skf21("3","6","2","7","4","5","7","1") = "6"
    & skf21("3","6","2","7","4","6","1","1") = "6"
    & skf21("3","6","2","7","4","6","2","1") = "6"
    & skf21("3","6","2","7","4","6","3","1") = "6"
    & skf21("3","6","2","7","4","6","4","1") = "6"
    & skf21("3","6","2","7","4","6","5","1") = "6"
    & skf21("3","6","2","7","4","6","6","1") = "6"
    & skf21("3","6","2","7","4","6","7","1") = "6"
    & skf21("3","6","2","7","4","7","1","1") = "6"
    & skf21("3","6","2","7","4","7","2","1") = "6"
    & skf21("3","6","2","7","4","7","3","1") = "6"
    & skf21("3","6","2","7","4","7","4","1") = "6"
    & skf21("3","6","2","7","4","7","5","1") = "6"
    & skf21("3","6","2","7","4","7","6","1") = "6"
    & skf21("3","6","2","7","4","7","7","1") = "6"
    & skf21("3","6","2","7","5","1","1","1") = "6"
    & skf21("3","6","2","7","5","1","2","1") = "6"
    & skf21("3","6","2","7","5","1","3","1") = "6"
    & skf21("3","6","2","7","5","1","4","1") = "6"
    & skf21("3","6","2","7","5","1","5","1") = "6"
    & skf21("3","6","2","7","5","1","6","1") = "6"
    & skf21("3","6","2","7","5","1","7","1") = "6"
    & skf21("3","6","2","7","5","2","1","1") = "6"
    & skf21("3","6","2","7","5","2","2","1") = "6"
    & skf21("3","6","2","7","5","2","3","1") = "6"
    & skf21("3","6","2","7","5","2","4","1") = "6"
    & skf21("3","6","2","7","5","2","5","1") = "6"
    & skf21("3","6","2","7","5","2","6","1") = "6"
    & skf21("3","6","2","7","5","2","7","1") = "6"
    & skf21("3","6","2","7","5","3","1","1") = "6"
    & skf21("3","6","2","7","5","3","2","1") = "6"
    & skf21("3","6","2","7","5","3","3","1") = "6"
    & skf21("3","6","2","7","5","3","4","1") = "6"
    & skf21("3","6","2","7","5","3","5","1") = "6"
    & skf21("3","6","2","7","5","3","6","1") = "6"
    & skf21("3","6","2","7","5","3","7","1") = "6"
    & skf21("3","6","2","7","5","4","1","1") = "6"
    & skf21("3","6","2","7","5","4","2","1") = "6"
    & skf21("3","6","2","7","5","4","3","1") = "6"
    & skf21("3","6","2","7","5","4","4","1") = "6"
    & skf21("3","6","2","7","5","4","5","1") = "6"
    & skf21("3","6","2","7","5","4","6","1") = "6"
    & skf21("3","6","2","7","5","4","7","1") = "6"
    & skf21("3","6","2","7","5","5","1","1") = "6"
    & skf21("3","6","2","7","5","5","2","1") = "6"
    & skf21("3","6","2","7","5","5","3","1") = "6"
    & skf21("3","6","2","7","5","5","4","1") = "6"
    & skf21("3","6","2","7","5","5","5","1") = "6"
    & skf21("3","6","2","7","5","5","6","1") = "6"
    & skf21("3","6","2","7","5","5","7","1") = "6"
    & skf21("3","6","2","7","5","6","1","1") = "6"
    & skf21("3","6","2","7","5","6","2","1") = "6"
    & skf21("3","6","2","7","5","6","3","1") = "6"
    & skf21("3","6","2","7","5","6","4","1") = "6"
    & skf21("3","6","2","7","5","6","5","1") = "6"
    & skf21("3","6","2","7","5","6","6","1") = "6"
    & skf21("3","6","2","7","5","6","7","1") = "6"
    & skf21("3","6","2","7","5","7","1","1") = "6"
    & skf21("3","6","2","7","5","7","2","1") = "6"
    & skf21("3","6","2","7","5","7","3","1") = "6"
    & skf21("3","6","2","7","5","7","4","1") = "6"
    & skf21("3","6","2","7","5","7","5","1") = "6"
    & skf21("3","6","2","7","5","7","6","1") = "6"
    & skf21("3","6","2","7","5","7","7","1") = "6"
    & skf21("3","6","2","7","6","1","1","1") = "6"
    & skf21("3","6","2","7","6","1","2","1") = "6"
    & skf21("3","6","2","7","6","1","3","1") = "6"
    & skf21("3","6","2","7","6","1","4","1") = "6"
    & skf21("3","6","2","7","6","1","5","1") = "6"
    & skf21("3","6","2","7","6","1","6","1") = "6"
    & skf21("3","6","2","7","6","1","7","1") = "6"
    & skf21("3","6","2","7","6","2","1","1") = "6"
    & skf21("3","6","2","7","6","2","2","1") = "6"
    & skf21("3","6","2","7","6","2","3","1") = "6"
    & skf21("3","6","2","7","6","2","4","1") = "6"
    & skf21("3","6","2","7","6","2","5","1") = "6"
    & skf21("3","6","2","7","6","2","6","1") = "6"
    & skf21("3","6","2","7","6","2","7","1") = "6"
    & skf21("3","6","2","7","6","3","1","1") = "6"
    & skf21("3","6","2","7","6","3","2","1") = "6"
    & skf21("3","6","2","7","6","3","3","1") = "6"
    & skf21("3","6","2","7","6","3","4","1") = "6"
    & skf21("3","6","2","7","6","3","5","1") = "6"
    & skf21("3","6","2","7","6","3","6","1") = "6"
    & skf21("3","6","2","7","6","3","7","1") = "6"
    & skf21("3","6","2","7","6","4","1","1") = "6"
    & skf21("3","6","2","7","6","4","2","1") = "6"
    & skf21("3","6","2","7","6","4","3","1") = "6"
    & skf21("3","6","2","7","6","4","4","1") = "6"
    & skf21("3","6","2","7","6","4","5","1") = "6"
    & skf21("3","6","2","7","6","4","6","1") = "6"
    & skf21("3","6","2","7","6","4","7","1") = "6"
    & skf21("3","6","2","7","6","5","1","1") = "6"
    & skf21("3","6","2","7","6","5","2","1") = "6"
    & skf21("3","6","2","7","6","5","3","1") = "6"
    & skf21("3","6","2","7","6","5","4","1") = "6"
    & skf21("3","6","2","7","6","5","5","1") = "6"
    & skf21("3","6","2","7","6","5","6","1") = "6"
    & skf21("3","6","2","7","6","5","7","1") = "6"
    & skf21("3","6","2","7","6","6","1","1") = "6"
    & skf21("3","6","2","7","6","6","2","1") = "6"
    & skf21("3","6","2","7","6","6","3","1") = "6"
    & skf21("3","6","2","7","6","6","4","1") = "6"
    & skf21("3","6","2","7","6","6","5","1") = "6"
    & skf21("3","6","2","7","6","6","6","1") = "6"
    & skf21("3","6","2","7","6","6","7","1") = "6"
    & skf21("3","6","2","7","6","7","1","1") = "6"
    & skf21("3","6","2","7","6","7","2","1") = "6"
    & skf21("3","6","2","7","6","7","3","1") = "6"
    & skf21("3","6","2","7","6","7","4","1") = "6"
    & skf21("3","6","2","7","6","7","5","1") = "6"
    & skf21("3","6","2","7","6","7","6","1") = "6"
    & skf21("3","6","2","7","6","7","7","1") = "6"
    & skf21("3","6","2","7","7","1","1","1") = "6"
    & skf21("3","6","2","7","7","1","2","1") = "6"
    & skf21("3","6","2","7","7","1","3","1") = "6"
    & skf21("3","6","2","7","7","1","4","1") = "6"
    & skf21("3","6","2","7","7","1","5","1") = "6"
    & skf21("3","6","2","7","7","1","6","1") = "6"
    & skf21("3","6","2","7","7","1","7","1") = "6"
    & skf21("3","6","2","7","7","2","1","1") = "6"
    & skf21("3","6","2","7","7","2","2","1") = "6"
    & skf21("3","6","2","7","7","2","3","1") = "6"
    & skf21("3","6","2","7","7","2","4","1") = "6"
    & skf21("3","6","2","7","7","2","5","1") = "6"
    & skf21("3","6","2","7","7","2","6","1") = "6"
    & skf21("3","6","2","7","7","2","7","1") = "6"
    & skf21("3","6","2","7","7","3","1","1") = "6"
    & skf21("3","6","2","7","7","3","2","1") = "6"
    & skf21("3","6","2","7","7","3","3","1") = "6"
    & skf21("3","6","2","7","7","3","4","1") = "6"
    & skf21("3","6","2","7","7","3","5","1") = "6"
    & skf21("3","6","2","7","7","3","6","1") = "6"
    & skf21("3","6","2","7","7","3","7","1") = "6"
    & skf21("3","6","2","7","7","4","1","1") = "6"
    & skf21("3","6","2","7","7","4","2","1") = "6"
    & skf21("3","6","2","7","7","4","3","1") = "6"
    & skf21("3","6","2","7","7","4","4","1") = "6"
    & skf21("3","6","2","7","7","4","5","1") = "6"
    & skf21("3","6","2","7","7","4","6","1") = "6"
    & skf21("3","6","2","7","7","4","7","1") = "6"
    & skf21("3","6","2","7","7","5","1","1") = "6"
    & skf21("3","6","2","7","7","5","2","1") = "6"
    & skf21("3","6","2","7","7","5","3","1") = "6"
    & skf21("3","6","2","7","7","5","4","1") = "6"
    & skf21("3","6","2","7","7","5","5","1") = "6"
    & skf21("3","6","2","7","7","5","6","1") = "6"
    & skf21("3","6","2","7","7","5","7","1") = "6"
    & skf21("3","6","2","7","7","6","1","1") = "6"
    & skf21("3","6","2","7","7","6","2","1") = "6"
    & skf21("3","6","2","7","7","6","3","1") = "6"
    & skf21("3","6","2","7","7","6","4","1") = "6"
    & skf21("3","6","2","7","7","6","5","1") = "6"
    & skf21("3","6","2","7","7","6","6","1") = "6"
    & skf21("3","6","2","7","7","6","7","1") = "6"
    & skf21("3","6","2","7","7","7","1","1") = "6"
    & skf21("3","6","2","7","7","7","2","1") = "6"
    & skf21("3","6","2","7","7","7","3","1") = "6"
    & skf21("3","6","2","7","7","7","4","1") = "6"
    & skf21("3","6","2","7","7","7","5","1") = "6"
    & skf21("3","6","2","7","7","7","6","1") = "6"
    & skf21("3","6","2","7","7","7","7","1") = "6"
    & skf21("3","6","3","1","1","1","1","1") = "5"
    & skf21("3","6","3","1","1","1","2","1") = "5"
    & skf21("3","6","3","1","1","1","3","1") = "5"
    & skf21("3","6","3","1","1","1","4","1") = "5"
    & skf21("3","6","3","1","1","1","5","1") = "5"
    & skf21("3","6","3","1","1","1","6","1") = "5"
    & skf21("3","6","3","1","1","1","7","1") = "6"
    & skf21("3","6","3","1","1","2","1","1") = "5"
    & skf21("3","6","3","1","1","2","2","1") = "5"
    & skf21("3","6","3","1","1","2","3","1") = "5"
    & skf21("3","6","3","1","1","2","4","1") = "5"
    & skf21("3","6","3","1","1","2","5","1") = "5"
    & skf21("3","6","3","1","1","2","6","1") = "5"
    & skf21("3","6","3","1","1","2","7","1") = "6"
    & skf21("3","6","3","1","1","3","1","1") = "5"
    & skf21("3","6","3","1","1","3","2","1") = "5"
    & skf21("3","6","3","1","1","3","3","1") = "5"
    & skf21("3","6","3","1","1","3","4","1") = "5"
    & skf21("3","6","3","1","1","3","5","1") = "5"
    & skf21("3","6","3","1","1","3","6","1") = "5"
    & skf21("3","6","3","1","1","3","7","1") = "6"
    & skf21("3","6","3","1","1","4","1","1") = "5"
    & skf21("3","6","3","1","1","4","2","1") = "5"
    & skf21("3","6","3","1","1","4","3","1") = "5"
    & skf21("3","6","3","1","1","4","4","1") = "5"
    & skf21("3","6","3","1","1","4","5","1") = "5"
    & skf21("3","6","3","1","1","4","6","1") = "5"
    & skf21("3","6","3","1","1","4","7","1") = "6"
    & skf21("3","6","3","1","1","5","1","1") = "5"
    & skf21("3","6","3","1","1","5","2","1") = "5"
    & skf21("3","6","3","1","1","5","3","1") = "5"
    & skf21("3","6","3","1","1","5","4","1") = "5"
    & skf21("3","6","3","1","1","5","5","1") = "5"
    & skf21("3","6","3","1","1","5","6","1") = "5"
    & skf21("3","6","3","1","1","5","7","1") = "6"
    & skf21("3","6","3","1","1","6","1","1") = "5"
    & skf21("3","6","3","1","1","6","2","1") = "5"
    & skf21("3","6","3","1","1","6","3","1") = "5"
    & skf21("3","6","3","1","1","6","4","1") = "5"
    & skf21("3","6","3","1","1","6","5","1") = "5"
    & skf21("3","6","3","1","1","6","6","1") = "5"
    & skf21("3","6","3","1","1","6","7","1") = "6"
    & skf21("3","6","3","1","1","7","1","1") = "6"
    & skf21("3","6","3","1","1","7","2","1") = "6"
    & skf21("3","6","3","1","1","7","3","1") = "6"
    & skf21("3","6","3","1","1","7","4","1") = "6"
    & skf21("3","6","3","1","1","7","5","1") = "6"
    & skf21("3","6","3","1","1","7","6","1") = "6"
    & skf21("3","6","3","1","1","7","7","1") = "6"
    & skf21("3","6","3","1","2","1","1","1") = "5"
    & skf21("3","6","3","1","2","1","2","1") = "5"
    & skf21("3","6","3","1","2","1","3","1") = "5"
    & skf21("3","6","3","1","2","1","4","1") = "5"
    & skf21("3","6","3","1","2","1","5","1") = "5"
    & skf21("3","6","3","1","2","1","6","1") = "5"
    & skf21("3","6","3","1","2","1","7","1") = "6"
    & skf21("3","6","3","1","2","2","1","1") = "5"
    & skf21("3","6","3","1","2","2","2","1") = "5"
    & skf21("3","6","3","1","2","2","3","1") = "5"
    & skf21("3","6","3","1","2","2","4","1") = "5"
    & skf21("3","6","3","1","2","2","5","1") = "5"
    & skf21("3","6","3","1","2","2","6","1") = "5"
    & skf21("3","6","3","1","2","2","7","1") = "6"
    & skf21("3","6","3","1","2","3","1","1") = "5"
    & skf21("3","6","3","1","2","3","2","1") = "5"
    & skf21("3","6","3","1","2","3","3","1") = "5"
    & skf21("3","6","3","1","2","3","4","1") = "5"
    & skf21("3","6","3","1","2","3","5","1") = "5"
    & skf21("3","6","3","1","2","3","6","1") = "5"
    & skf21("3","6","3","1","2","3","7","1") = "6"
    & skf21("3","6","3","1","2","4","1","1") = "5"
    & skf21("3","6","3","1","2","4","2","1") = "5"
    & skf21("3","6","3","1","2","4","3","1") = "5"
    & skf21("3","6","3","1","2","4","4","1") = "5"
    & skf21("3","6","3","1","2","4","5","1") = "5"
    & skf21("3","6","3","1","2","4","6","1") = "5"
    & skf21("3","6","3","1","2","4","7","1") = "6"
    & skf21("3","6","3","1","2","5","1","1") = "5"
    & skf21("3","6","3","1","2","5","2","1") = "5"
    & skf21("3","6","3","1","2","5","3","1") = "5"
    & skf21("3","6","3","1","2","5","4","1") = "5"
    & skf21("3","6","3","1","2","5","5","1") = "5"
    & skf21("3","6","3","1","2","5","6","1") = "5"
    & skf21("3","6","3","1","2","5","7","1") = "6"
    & skf21("3","6","3","1","2","6","1","1") = "5"
    & skf21("3","6","3","1","2","6","2","1") = "5"
    & skf21("3","6","3","1","2","6","3","1") = "5"
    & skf21("3","6","3","1","2","6","4","1") = "5"
    & skf21("3","6","3","1","2","6","5","1") = "5"
    & skf21("3","6","3","1","2","6","6","1") = "5"
    & skf21("3","6","3","1","2","6","7","1") = "6"
    & skf21("3","6","3","1","2","7","1","1") = "6"
    & skf21("3","6","3","1","2","7","2","1") = "6"
    & skf21("3","6","3","1","2","7","3","1") = "6"
    & skf21("3","6","3","1","2","7","4","1") = "6"
    & skf21("3","6","3","1","2","7","5","1") = "6"
    & skf21("3","6","3","1","2","7","6","1") = "6"
    & skf21("3","6","3","1","2","7","7","1") = "6"
    & skf21("3","6","3","1","3","1","1","1") = "5"
    & skf21("3","6","3","1","3","1","2","1") = "5"
    & skf21("3","6","3","1","3","1","3","1") = "5"
    & skf21("3","6","3","1","3","1","4","1") = "5"
    & skf21("3","6","3","1","3","1","5","1") = "5"
    & skf21("3","6","3","1","3","1","6","1") = "5"
    & skf21("3","6","3","1","3","1","7","1") = "6"
    & skf21("3","6","3","1","3","2","1","1") = "5"
    & skf21("3","6","3","1","3","2","2","1") = "5"
    & skf21("3","6","3","1","3","2","3","1") = "5"
    & skf21("3","6","3","1","3","2","4","1") = "5"
    & skf21("3","6","3","1","3","2","5","1") = "5"
    & skf21("3","6","3","1","3","2","6","1") = "5"
    & skf21("3","6","3","1","3","2","7","1") = "6"
    & skf21("3","6","3","1","3","3","1","1") = "5"
    & skf21("3","6","3","1","3","3","2","1") = "5"
    & skf21("3","6","3","1","3","3","3","1") = "5"
    & skf21("3","6","3","1","3","3","4","1") = "5"
    & skf21("3","6","3","1","3","3","5","1") = "5"
    & skf21("3","6","3","1","3","3","6","1") = "5"
    & skf21("3","6","3","1","3","3","7","1") = "6"
    & skf21("3","6","3","1","3","4","1","1") = "5"
    & skf21("3","6","3","1","3","4","2","1") = "5"
    & skf21("3","6","3","1","3","4","3","1") = "5"
    & skf21("3","6","3","1","3","4","4","1") = "5"
    & skf21("3","6","3","1","3","4","5","1") = "5"
    & skf21("3","6","3","1","3","4","6","1") = "5"
    & skf21("3","6","3","1","3","4","7","1") = "6"
    & skf21("3","6","3","1","3","5","1","1") = "5"
    & skf21("3","6","3","1","3","5","2","1") = "5"
    & skf21("3","6","3","1","3","5","3","1") = "5"
    & skf21("3","6","3","1","3","5","4","1") = "5"
    & skf21("3","6","3","1","3","5","5","1") = "5"
    & skf21("3","6","3","1","3","5","6","1") = "5"
    & skf21("3","6","3","1","3","5","7","1") = "6"
    & skf21("3","6","3","1","3","6","1","1") = "5"
    & skf21("3","6","3","1","3","6","2","1") = "5"
    & skf21("3","6","3","1","3","6","3","1") = "5"
    & skf21("3","6","3","1","3","6","4","1") = "5"
    & skf21("3","6","3","1","3","6","5","1") = "5"
    & skf21("3","6","3","1","3","6","6","1") = "5"
    & skf21("3","6","3","1","3","6","7","1") = "6"
    & skf21("3","6","3","1","3","7","1","1") = "6"
    & skf21("3","6","3","1","3","7","2","1") = "6"
    & skf21("3","6","3","1","3","7","3","1") = "6"
    & skf21("3","6","3","1","3","7","4","1") = "6"
    & skf21("3","6","3","1","3","7","5","1") = "6"
    & skf21("3","6","3","1","3","7","6","1") = "6"
    & skf21("3","6","3","1","3","7","7","1") = "6"
    & skf21("3","6","3","1","4","1","1","1") = "5"
    & skf21("3","6","3","1","4","1","2","1") = "5"
    & skf21("3","6","3","1","4","1","3","1") = "5"
    & skf21("3","6","3","1","4","1","4","1") = "5"
    & skf21("3","6","3","1","4","1","5","1") = "5"
    & skf21("3","6","3","1","4","1","6","1") = "5"
    & skf21("3","6","3","1","4","1","7","1") = "6"
    & skf21("3","6","3","1","4","2","1","1") = "5"
    & skf21("3","6","3","1","4","2","2","1") = "5"
    & skf21("3","6","3","1","4","2","3","1") = "5"
    & skf21("3","6","3","1","4","2","4","1") = "5"
    & skf21("3","6","3","1","4","2","5","1") = "5"
    & skf21("3","6","3","1","4","2","6","1") = "5"
    & skf21("3","6","3","1","4","2","7","1") = "6"
    & skf21("3","6","3","1","4","3","1","1") = "5"
    & skf21("3","6","3","1","4","3","2","1") = "5"
    & skf21("3","6","3","1","4","3","3","1") = "5"
    & skf21("3","6","3","1","4","3","4","1") = "5"
    & skf21("3","6","3","1","4","3","5","1") = "5"
    & skf21("3","6","3","1","4","3","6","1") = "5"
    & skf21("3","6","3","1","4","3","7","1") = "6"
    & skf21("3","6","3","1","4","4","1","1") = "5"
    & skf21("3","6","3","1","4","4","2","1") = "5"
    & skf21("3","6","3","1","4","4","3","1") = "5"
    & skf21("3","6","3","1","4","4","4","1") = "5"
    & skf21("3","6","3","1","4","4","5","1") = "5"
    & skf21("3","6","3","1","4","4","6","1") = "5"
    & skf21("3","6","3","1","4","4","7","1") = "6"
    & skf21("3","6","3","1","4","5","1","1") = "5"
    & skf21("3","6","3","1","4","5","2","1") = "5"
    & skf21("3","6","3","1","4","5","3","1") = "5"
    & skf21("3","6","3","1","4","5","4","1") = "5"
    & skf21("3","6","3","1","4","5","5","1") = "5"
    & skf21("3","6","3","1","4","5","6","1") = "5"
    & skf21("3","6","3","1","4","5","7","1") = "6"
    & skf21("3","6","3","1","4","6","1","1") = "5"
    & skf21("3","6","3","1","4","6","2","1") = "5"
    & skf21("3","6","3","1","4","6","3","1") = "5"
    & skf21("3","6","3","1","4","6","4","1") = "5"
    & skf21("3","6","3","1","4","6","5","1") = "5"
    & skf21("3","6","3","1","4","6","6","1") = "5"
    & skf21("3","6","3","1","4","6","7","1") = "6"
    & skf21("3","6","3","1","4","7","1","1") = "6"
    & skf21("3","6","3","1","4","7","2","1") = "6"
    & skf21("3","6","3","1","4","7","3","1") = "6"
    & skf21("3","6","3","1","4","7","4","1") = "6"
    & skf21("3","6","3","1","4","7","5","1") = "6"
    & skf21("3","6","3","1","4","7","6","1") = "6"
    & skf21("3","6","3","1","4","7","7","1") = "6"
    & skf21("3","6","3","1","5","1","1","1") = "5"
    & skf21("3","6","3","1","5","1","2","1") = "5"
    & skf21("3","6","3","1","5","1","3","1") = "5"
    & skf21("3","6","3","1","5","1","4","1") = "5"
    & skf21("3","6","3","1","5","1","5","1") = "5"
    & skf21("3","6","3","1","5","1","6","1") = "5"
    & skf21("3","6","3","1","5","1","7","1") = "6"
    & skf21("3","6","3","1","5","2","1","1") = "5"
    & skf21("3","6","3","1","5","2","2","1") = "5"
    & skf21("3","6","3","1","5","2","3","1") = "5"
    & skf21("3","6","3","1","5","2","4","1") = "5"
    & skf21("3","6","3","1","5","2","5","1") = "5"
    & skf21("3","6","3","1","5","2","6","1") = "5"
    & skf21("3","6","3","1","5","2","7","1") = "6"
    & skf21("3","6","3","1","5","3","1","1") = "5"
    & skf21("3","6","3","1","5","3","2","1") = "5"
    & skf21("3","6","3","1","5","3","3","1") = "5"
    & skf21("3","6","3","1","5","3","4","1") = "5"
    & skf21("3","6","3","1","5","3","5","1") = "5"
    & skf21("3","6","3","1","5","3","6","1") = "5"
    & skf21("3","6","3","1","5","3","7","1") = "6"
    & skf21("3","6","3","1","5","4","1","1") = "5"
    & skf21("3","6","3","1","5","4","2","1") = "5"
    & skf21("3","6","3","1","5","4","3","1") = "5"
    & skf21("3","6","3","1","5","4","4","1") = "5"
    & skf21("3","6","3","1","5","4","5","1") = "5"
    & skf21("3","6","3","1","5","4","6","1") = "5"
    & skf21("3","6","3","1","5","4","7","1") = "6"
    & skf21("3","6","3","1","5","5","1","1") = "5"
    & skf21("3","6","3","1","5","5","2","1") = "5"
    & skf21("3","6","3","1","5","5","3","1") = "5"
    & skf21("3","6","3","1","5","5","4","1") = "5"
    & skf21("3","6","3","1","5","5","5","1") = "5"
    & skf21("3","6","3","1","5","5","6","1") = "5"
    & skf21("3","6","3","1","5","5","7","1") = "6"
    & skf21("3","6","3","1","5","6","1","1") = "5"
    & skf21("3","6","3","1","5","6","2","1") = "5"
    & skf21("3","6","3","1","5","6","3","1") = "5"
    & skf21("3","6","3","1","5","6","4","1") = "5"
    & skf21("3","6","3","1","5","6","5","1") = "5"
    & skf21("3","6","3","1","5","6","6","1") = "5"
    & skf21("3","6","3","1","5","6","7","1") = "6"
    & skf21("3","6","3","1","5","7","1","1") = "6"
    & skf21("3","6","3","1","5","7","2","1") = "6"
    & skf21("3","6","3","1","5","7","3","1") = "6"
    & skf21("3","6","3","1","5","7","4","1") = "6"
    & skf21("3","6","3","1","5","7","5","1") = "6"
    & skf21("3","6","3","1","5","7","6","1") = "6"
    & skf21("3","6","3","1","5","7","7","1") = "6"
    & skf21("3","6","3","1","6","1","1","1") = "5"
    & skf21("3","6","3","1","6","1","2","1") = "5"
    & skf21("3","6","3","1","6","1","3","1") = "5"
    & skf21("3","6","3","1","6","1","4","1") = "5"
    & skf21("3","6","3","1","6","1","5","1") = "5"
    & skf21("3","6","3","1","6","1","6","1") = "5"
    & skf21("3","6","3","1","6","1","7","1") = "6"
    & skf21("3","6","3","1","6","2","1","1") = "5"
    & skf21("3","6","3","1","6","2","2","1") = "5"
    & skf21("3","6","3","1","6","2","3","1") = "5"
    & skf21("3","6","3","1","6","2","4","1") = "5"
    & skf21("3","6","3","1","6","2","5","1") = "5"
    & skf21("3","6","3","1","6","2","6","1") = "5"
    & skf21("3","6","3","1","6","2","7","1") = "6"
    & skf21("3","6","3","1","6","3","1","1") = "5"
    & skf21("3","6","3","1","6","3","2","1") = "5"
    & skf21("3","6","3","1","6","3","3","1") = "5"
    & skf21("3","6","3","1","6","3","4","1") = "5"
    & skf21("3","6","3","1","6","3","5","1") = "5"
    & skf21("3","6","3","1","6","3","6","1") = "5"
    & skf21("3","6","3","1","6","3","7","1") = "6"
    & skf21("3","6","3","1","6","4","1","1") = "5"
    & skf21("3","6","3","1","6","4","2","1") = "5"
    & skf21("3","6","3","1","6","4","3","1") = "5"
    & skf21("3","6","3","1","6","4","4","1") = "5"
    & skf21("3","6","3","1","6","4","5","1") = "5"
    & skf21("3","6","3","1","6","4","6","1") = "5"
    & skf21("3","6","3","1","6","4","7","1") = "6"
    & skf21("3","6","3","1","6","5","1","1") = "5"
    & skf21("3","6","3","1","6","5","2","1") = "5"
    & skf21("3","6","3","1","6","5","3","1") = "5"
    & skf21("3","6","3","1","6","5","4","1") = "5"
    & skf21("3","6","3","1","6","5","5","1") = "5"
    & skf21("3","6","3","1","6","5","6","1") = "5"
    & skf21("3","6","3","1","6","5","7","1") = "6"
    & skf21("3","6","3","1","6","6","1","1") = "5"
    & skf21("3","6","3","1","6","6","2","1") = "5"
    & skf21("3","6","3","1","6","6","3","1") = "5"
    & skf21("3","6","3","1","6","6","4","1") = "5"
    & skf21("3","6","3","1","6","6","5","1") = "5"
    & skf21("3","6","3","1","6","6","6","1") = "5"
    & skf21("3","6","3","1","6","6","7","1") = "6"
    & skf21("3","6","3","1","6","7","1","1") = "6"
    & skf21("3","6","3","1","6","7","2","1") = "6"
    & skf21("3","6","3","1","6","7","3","1") = "6"
    & skf21("3","6","3","1","6","7","4","1") = "6"
    & skf21("3","6","3","1","6","7","5","1") = "6"
    & skf21("3","6","3","1","6","7","6","1") = "6"
    & skf21("3","6","3","1","6","7","7","1") = "6"
    & skf21("3","6","3","1","7","1","1","1") = "6"
    & skf21("3","6","3","1","7","1","2","1") = "6"
    & skf21("3","6","3","1","7","1","3","1") = "6"
    & skf21("3","6","3","1","7","1","4","1") = "6"
    & skf21("3","6","3","1","7","1","5","1") = "6"
    & skf21("3","6","3","1","7","1","6","1") = "6"
    & skf21("3","6","3","1","7","1","7","1") = "6"
    & skf21("3","6","3","1","7","2","1","1") = "6"
    & skf21("3","6","3","1","7","2","2","1") = "6"
    & skf21("3","6","3","1","7","2","3","1") = "6"
    & skf21("3","6","3","1","7","2","4","1") = "6"
    & skf21("3","6","3","1","7","2","5","1") = "6"
    & skf21("3","6","3","1","7","2","6","1") = "6"
    & skf21("3","6","3","1","7","2","7","1") = "6"
    & skf21("3","6","3","1","7","3","1","1") = "6"
    & skf21("3","6","3","1","7","3","2","1") = "6"
    & skf21("3","6","3","1","7","3","3","1") = "6"
    & skf21("3","6","3","1","7","3","4","1") = "6"
    & skf21("3","6","3","1","7","3","5","1") = "6"
    & skf21("3","6","3","1","7","3","6","1") = "6"
    & skf21("3","6","3","1","7","3","7","1") = "6"
    & skf21("3","6","3","1","7","4","1","1") = "6"
    & skf21("3","6","3","1","7","4","2","1") = "6"
    & skf21("3","6","3","1","7","4","3","1") = "6"
    & skf21("3","6","3","1","7","4","4","1") = "6"
    & skf21("3","6","3","1","7","4","5","1") = "6"
    & skf21("3","6","3","1","7","4","6","1") = "6"
    & skf21("3","6","3","1","7","4","7","1") = "6"
    & skf21("3","6","3","1","7","5","1","1") = "6"
    & skf21("3","6","3","1","7","5","2","1") = "6"
    & skf21("3","6","3","1","7","5","3","1") = "6"
    & skf21("3","6","3","1","7","5","4","1") = "6"
    & skf21("3","6","3","1","7","5","5","1") = "6"
    & skf21("3","6","3","1","7","5","6","1") = "6"
    & skf21("3","6","3","1","7","5","7","1") = "6"
    & skf21("3","6","3","1","7","6","1","1") = "6"
    & skf21("3","6","3","1","7","6","2","1") = "6"
    & skf21("3","6","3","1","7","6","3","1") = "6"
    & skf21("3","6","3","1","7","6","4","1") = "6"
    & skf21("3","6","3","1","7","6","5","1") = "6"
    & skf21("3","6","3","1","7","6","6","1") = "6"
    & skf21("3","6","3","1","7","6","7","1") = "6"
    & skf21("3","6","3","1","7","7","1","1") = "6"
    & skf21("3","6","3","1","7","7","2","1") = "6"
    & skf21("3","6","3","1","7","7","3","1") = "6"
    & skf21("3","6","3","1","7","7","4","1") = "6"
    & skf21("3","6","3","1","7","7","5","1") = "6"
    & skf21("3","6","3","1","7","7","6","1") = "6"
    & skf21("3","6","3","1","7","7","7","1") = "6"
    & skf21("3","6","3","2","1","1","1","1") = "5"
    & skf21("3","6","3","2","1","1","2","1") = "5"
    & skf21("3","6","3","2","1","1","3","1") = "5"
    & skf21("3","6","3","2","1","1","4","1") = "5"
    & skf21("3","6","3","2","1","1","5","1") = "5"
    & skf21("3","6","3","2","1","1","6","1") = "5"
    & skf21("3","6","3","2","1","1","7","1") = "6"
    & skf21("3","6","3","2","1","2","1","1") = "5"
    & skf21("3","6","3","2","1","2","2","1") = "5"
    & skf21("3","6","3","2","1","2","3","1") = "5"
    & skf21("3","6","3","2","1","2","4","1") = "5"
    & skf21("3","6","3","2","1","2","5","1") = "5"
    & skf21("3","6","3","2","1","2","6","1") = "5"
    & skf21("3","6","3","2","1","2","7","1") = "6"
    & skf21("3","6","3","2","1","3","1","1") = "5"
    & skf21("3","6","3","2","1","3","2","1") = "5"
    & skf21("3","6","3","2","1","3","3","1") = "5"
    & skf21("3","6","3","2","1","3","4","1") = "5"
    & skf21("3","6","3","2","1","3","5","1") = "5"
    & skf21("3","6","3","2","1","3","6","1") = "5"
    & skf21("3","6","3","2","1","3","7","1") = "6"
    & skf21("3","6","3","2","1","4","1","1") = "5"
    & skf21("3","6","3","2","1","4","2","1") = "5"
    & skf21("3","6","3","2","1","4","3","1") = "5"
    & skf21("3","6","3","2","1","4","4","1") = "5"
    & skf21("3","6","3","2","1","4","5","1") = "5"
    & skf21("3","6","3","2","1","4","6","1") = "5"
    & skf21("3","6","3","2","1","4","7","1") = "6"
    & skf21("3","6","3","2","1","5","1","1") = "5"
    & skf21("3","6","3","2","1","5","2","1") = "5"
    & skf21("3","6","3","2","1","5","3","1") = "5"
    & skf21("3","6","3","2","1","5","4","1") = "5"
    & skf21("3","6","3","2","1","5","5","1") = "5"
    & skf21("3","6","3","2","1","5","6","1") = "5"
    & skf21("3","6","3","2","1","5","7","1") = "6"
    & skf21("3","6","3","2","1","6","1","1") = "5"
    & skf21("3","6","3","2","1","6","2","1") = "5"
    & skf21("3","6","3","2","1","6","3","1") = "5"
    & skf21("3","6","3","2","1","6","4","1") = "5"
    & skf21("3","6","3","2","1","6","5","1") = "5"
    & skf21("3","6","3","2","1","6","6","1") = "5"
    & skf21("3","6","3","2","1","6","7","1") = "6"
    & skf21("3","6","3","2","1","7","1","1") = "6"
    & skf21("3","6","3","2","1","7","2","1") = "6"
    & skf21("3","6","3","2","1","7","3","1") = "6"
    & skf21("3","6","3","2","1","7","4","1") = "6"
    & skf21("3","6","3","2","1","7","5","1") = "6"
    & skf21("3","6","3","2","1","7","6","1") = "6"
    & skf21("3","6","3","2","1","7","7","1") = "6"
    & skf21("3","6","3","2","2","1","1","1") = "5"
    & skf21("3","6","3","2","2","1","2","1") = "5"
    & skf21("3","6","3","2","2","1","3","1") = "5"
    & skf21("3","6","3","2","2","1","4","1") = "5"
    & skf21("3","6","3","2","2","1","5","1") = "5"
    & skf21("3","6","3","2","2","1","6","1") = "5"
    & skf21("3","6","3","2","2","1","7","1") = "6"
    & skf21("3","6","3","2","2","2","1","1") = "5"
    & skf21("3","6","3","2","2","2","2","1") = "5"
    & skf21("3","6","3","2","2","2","3","1") = "5"
    & skf21("3","6","3","2","2","2","4","1") = "5"
    & skf21("3","6","3","2","2","2","5","1") = "5"
    & skf21("3","6","3","2","2","2","6","1") = "5"
    & skf21("3","6","3","2","2","2","7","1") = "6"
    & skf21("3","6","3","2","2","3","1","1") = "5"
    & skf21("3","6","3","2","2","3","2","1") = "5"
    & skf21("3","6","3","2","2","3","3","1") = "5"
    & skf21("3","6","3","2","2","3","4","1") = "5"
    & skf21("3","6","3","2","2","3","5","1") = "5"
    & skf21("3","6","3","2","2","3","6","1") = "5"
    & skf21("3","6","3","2","2","3","7","1") = "6"
    & skf21("3","6","3","2","2","4","1","1") = "5"
    & skf21("3","6","3","2","2","4","2","1") = "5"
    & skf21("3","6","3","2","2","4","3","1") = "5"
    & skf21("3","6","3","2","2","4","4","1") = "5"
    & skf21("3","6","3","2","2","4","5","1") = "5"
    & skf21("3","6","3","2","2","4","6","1") = "5"
    & skf21("3","6","3","2","2","4","7","1") = "6"
    & skf21("3","6","3","2","2","5","1","1") = "5"
    & skf21("3","6","3","2","2","5","2","1") = "5"
    & skf21("3","6","3","2","2","5","3","1") = "5"
    & skf21("3","6","3","2","2","5","4","1") = "5"
    & skf21("3","6","3","2","2","5","5","1") = "5"
    & skf21("3","6","3","2","2","5","6","1") = "5"
    & skf21("3","6","3","2","2","5","7","1") = "6"
    & skf21("3","6","3","2","2","6","1","1") = "5"
    & skf21("3","6","3","2","2","6","2","1") = "5"
    & skf21("3","6","3","2","2","6","3","1") = "5"
    & skf21("3","6","3","2","2","6","4","1") = "5"
    & skf21("3","6","3","2","2","6","5","1") = "5"
    & skf21("3","6","3","2","2","6","6","1") = "5"
    & skf21("3","6","3","2","2","6","7","1") = "6"
    & skf21("3","6","3","2","2","7","1","1") = "6"
    & skf21("3","6","3","2","2","7","2","1") = "6"
    & skf21("3","6","3","2","2","7","3","1") = "6"
    & skf21("3","6","3","2","2","7","4","1") = "6"
    & skf21("3","6","3","2","2","7","5","1") = "6"
    & skf21("3","6","3","2","2","7","6","1") = "6"
    & skf21("3","6","3","2","2","7","7","1") = "6"
    & skf21("3","6","3","2","3","1","1","1") = "5"
    & skf21("3","6","3","2","3","1","2","1") = "5"
    & skf21("3","6","3","2","3","1","3","1") = "5"
    & skf21("3","6","3","2","3","1","4","1") = "5"
    & skf21("3","6","3","2","3","1","5","1") = "5"
    & skf21("3","6","3","2","3","1","6","1") = "5"
    & skf21("3","6","3","2","3","1","7","1") = "6"
    & skf21("3","6","3","2","3","2","1","1") = "5"
    & skf21("3","6","3","2","3","2","2","1") = "5"
    & skf21("3","6","3","2","3","2","3","1") = "5"
    & skf21("3","6","3","2","3","2","4","1") = "5"
    & skf21("3","6","3","2","3","2","5","1") = "5"
    & skf21("3","6","3","2","3","2","6","1") = "5"
    & skf21("3","6","3","2","3","2","7","1") = "6"
    & skf21("3","6","3","2","3","3","1","1") = "5"
    & skf21("3","6","3","2","3","3","2","1") = "5"
    & skf21("3","6","3","2","3","3","3","1") = "5"
    & skf21("3","6","3","2","3","3","4","1") = "5"
    & skf21("3","6","3","2","3","3","5","1") = "5"
    & skf21("3","6","3","2","3","3","6","1") = "5"
    & skf21("3","6","3","2","3","3","7","1") = "6"
    & skf21("3","6","3","2","3","4","1","1") = "5"
    & skf21("3","6","3","2","3","4","2","1") = "5"
    & skf21("3","6","3","2","3","4","3","1") = "5"
    & skf21("3","6","3","2","3","4","4","1") = "5"
    & skf21("3","6","3","2","3","4","5","1") = "5"
    & skf21("3","6","3","2","3","4","6","1") = "5"
    & skf21("3","6","3","2","3","4","7","1") = "6"
    & skf21("3","6","3","2","3","5","1","1") = "5"
    & skf21("3","6","3","2","3","5","2","1") = "5"
    & skf21("3","6","3","2","3","5","3","1") = "5"
    & skf21("3","6","3","2","3","5","4","1") = "5"
    & skf21("3","6","3","2","3","5","5","1") = "5"
    & skf21("3","6","3","2","3","5","6","1") = "5"
    & skf21("3","6","3","2","3","5","7","1") = "6"
    & skf21("3","6","3","2","3","6","1","1") = "5"
    & skf21("3","6","3","2","3","6","2","1") = "5"
    & skf21("3","6","3","2","3","6","3","1") = "5"
    & skf21("3","6","3","2","3","6","4","1") = "5"
    & skf21("3","6","3","2","3","6","5","1") = "5"
    & skf21("3","6","3","2","3","6","6","1") = "5"
    & skf21("3","6","3","2","3","6","7","1") = "6"
    & skf21("3","6","3","2","3","7","1","1") = "6"
    & skf21("3","6","3","2","3","7","2","1") = "6"
    & skf21("3","6","3","2","3","7","3","1") = "6"
    & skf21("3","6","3","2","3","7","4","1") = "6"
    & skf21("3","6","3","2","3","7","5","1") = "6"
    & skf21("3","6","3","2","3","7","6","1") = "6"
    & skf21("3","6","3","2","3","7","7","1") = "6"
    & skf21("3","6","3","2","4","1","1","1") = "5"
    & skf21("3","6","3","2","4","1","2","1") = "5"
    & skf21("3","6","3","2","4","1","3","1") = "5"
    & skf21("3","6","3","2","4","1","4","1") = "5"
    & skf21("3","6","3","2","4","1","5","1") = "5"
    & skf21("3","6","3","2","4","1","6","1") = "5"
    & skf21("3","6","3","2","4","1","7","1") = "6"
    & skf21("3","6","3","2","4","2","1","1") = "5"
    & skf21("3","6","3","2","4","2","2","1") = "5"
    & skf21("3","6","3","2","4","2","3","1") = "5"
    & skf21("3","6","3","2","4","2","4","1") = "5"
    & skf21("3","6","3","2","4","2","5","1") = "5"
    & skf21("3","6","3","2","4","2","6","1") = "5"
    & skf21("3","6","3","2","4","2","7","1") = "6"
    & skf21("3","6","3","2","4","3","1","1") = "5"
    & skf21("3","6","3","2","4","3","2","1") = "5"
    & skf21("3","6","3","2","4","3","3","1") = "5"
    & skf21("3","6","3","2","4","3","4","1") = "5"
    & skf21("3","6","3","2","4","3","5","1") = "5"
    & skf21("3","6","3","2","4","3","6","1") = "5"
    & skf21("3","6","3","2","4","3","7","1") = "6"
    & skf21("3","6","3","2","4","4","1","1") = "5"
    & skf21("3","6","3","2","4","4","2","1") = "5"
    & skf21("3","6","3","2","4","4","3","1") = "5"
    & skf21("3","6","3","2","4","4","4","1") = "5"
    & skf21("3","6","3","2","4","4","5","1") = "5"
    & skf21("3","6","3","2","4","4","6","1") = "5"
    & skf21("3","6","3","2","4","4","7","1") = "6"
    & skf21("3","6","3","2","4","5","1","1") = "5"
    & skf21("3","6","3","2","4","5","2","1") = "5"
    & skf21("3","6","3","2","4","5","3","1") = "5"
    & skf21("3","6","3","2","4","5","4","1") = "5"
    & skf21("3","6","3","2","4","5","5","1") = "5"
    & skf21("3","6","3","2","4","5","6","1") = "5"
    & skf21("3","6","3","2","4","5","7","1") = "6"
    & skf21("3","6","3","2","4","6","1","1") = "5"
    & skf21("3","6","3","2","4","6","2","1") = "5"
    & skf21("3","6","3","2","4","6","3","1") = "5"
    & skf21("3","6","3","2","4","6","4","1") = "5"
    & skf21("3","6","3","2","4","6","5","1") = "5"
    & skf21("3","6","3","2","4","6","6","1") = "5"
    & skf21("3","6","3","2","4","6","7","1") = "6"
    & skf21("3","6","3","2","4","7","1","1") = "6"
    & skf21("3","6","3","2","4","7","2","1") = "6"
    & skf21("3","6","3","2","4","7","3","1") = "6"
    & skf21("3","6","3","2","4","7","4","1") = "6"
    & skf21("3","6","3","2","4","7","5","1") = "6"
    & skf21("3","6","3","2","4","7","6","1") = "6"
    & skf21("3","6","3","2","4","7","7","1") = "6"
    & skf21("3","6","3","2","5","1","1","1") = "5"
    & skf21("3","6","3","2","5","1","2","1") = "5"
    & skf21("3","6","3","2","5","1","3","1") = "5"
    & skf21("3","6","3","2","5","1","4","1") = "5"
    & skf21("3","6","3","2","5","1","5","1") = "5"
    & skf21("3","6","3","2","5","1","6","1") = "5"
    & skf21("3","6","3","2","5","1","7","1") = "6"
    & skf21("3","6","3","2","5","2","1","1") = "5"
    & skf21("3","6","3","2","5","2","2","1") = "5"
    & skf21("3","6","3","2","5","2","3","1") = "5"
    & skf21("3","6","3","2","5","2","4","1") = "5"
    & skf21("3","6","3","2","5","2","5","1") = "5"
    & skf21("3","6","3","2","5","2","6","1") = "5"
    & skf21("3","6","3","2","5","2","7","1") = "6"
    & skf21("3","6","3","2","5","3","1","1") = "5"
    & skf21("3","6","3","2","5","3","2","1") = "5"
    & skf21("3","6","3","2","5","3","3","1") = "5"
    & skf21("3","6","3","2","5","3","4","1") = "5"
    & skf21("3","6","3","2","5","3","5","1") = "5"
    & skf21("3","6","3","2","5","3","6","1") = "5"
    & skf21("3","6","3","2","5","3","7","1") = "6"
    & skf21("3","6","3","2","5","4","1","1") = "5"
    & skf21("3","6","3","2","5","4","2","1") = "5"
    & skf21("3","6","3","2","5","4","3","1") = "5"
    & skf21("3","6","3","2","5","4","4","1") = "5"
    & skf21("3","6","3","2","5","4","5","1") = "5"
    & skf21("3","6","3","2","5","4","6","1") = "5"
    & skf21("3","6","3","2","5","4","7","1") = "6"
    & skf21("3","6","3","2","5","5","1","1") = "5"
    & skf21("3","6","3","2","5","5","2","1") = "5"
    & skf21("3","6","3","2","5","5","3","1") = "5"
    & skf21("3","6","3","2","5","5","4","1") = "5"
    & skf21("3","6","3","2","5","5","5","1") = "5"
    & skf21("3","6","3","2","5","5","6","1") = "5"
    & skf21("3","6","3","2","5","5","7","1") = "6"
    & skf21("3","6","3","2","5","6","1","1") = "5"
    & skf21("3","6","3","2","5","6","2","1") = "5"
    & skf21("3","6","3","2","5","6","3","1") = "5"
    & skf21("3","6","3","2","5","6","4","1") = "5"
    & skf21("3","6","3","2","5","6","5","1") = "5"
    & skf21("3","6","3","2","5","6","6","1") = "5"
    & skf21("3","6","3","2","5","6","7","1") = "6"
    & skf21("3","6","3","2","5","7","1","1") = "6"
    & skf21("3","6","3","2","5","7","2","1") = "6"
    & skf21("3","6","3","2","5","7","3","1") = "6"
    & skf21("3","6","3","2","5","7","4","1") = "6"
    & skf21("3","6","3","2","5","7","5","1") = "6"
    & skf21("3","6","3","2","5","7","6","1") = "6"
    & skf21("3","6","3","2","5","7","7","1") = "6"
    & skf21("3","6","3","2","6","1","1","1") = "5"
    & skf21("3","6","3","2","6","1","2","1") = "5"
    & skf21("3","6","3","2","6","1","3","1") = "5"
    & skf21("3","6","3","2","6","1","4","1") = "5"
    & skf21("3","6","3","2","6","1","5","1") = "5"
    & skf21("3","6","3","2","6","1","6","1") = "5"
    & skf21("3","6","3","2","6","1","7","1") = "6"
    & skf21("3","6","3","2","6","2","1","1") = "5"
    & skf21("3","6","3","2","6","2","2","1") = "5"
    & skf21("3","6","3","2","6","2","3","1") = "5"
    & skf21("3","6","3","2","6","2","4","1") = "5"
    & skf21("3","6","3","2","6","2","5","1") = "5"
    & skf21("3","6","3","2","6","2","6","1") = "5"
    & skf21("3","6","3","2","6","2","7","1") = "6"
    & skf21("3","6","3","2","6","3","1","1") = "5"
    & skf21("3","6","3","2","6","3","2","1") = "5"
    & skf21("3","6","3","2","6","3","3","1") = "5"
    & skf21("3","6","3","2","6","3","4","1") = "5"
    & skf21("3","6","3","2","6","3","5","1") = "5"
    & skf21("3","6","3","2","6","3","6","1") = "5"
    & skf21("3","6","3","2","6","3","7","1") = "6"
    & skf21("3","6","3","2","6","4","1","1") = "5"
    & skf21("3","6","3","2","6","4","2","1") = "5"
    & skf21("3","6","3","2","6","4","3","1") = "5"
    & skf21("3","6","3","2","6","4","4","1") = "5"
    & skf21("3","6","3","2","6","4","5","1") = "5"
    & skf21("3","6","3","2","6","4","6","1") = "5"
    & skf21("3","6","3","2","6","4","7","1") = "6"
    & skf21("3","6","3","2","6","5","1","1") = "5"
    & skf21("3","6","3","2","6","5","2","1") = "5"
    & skf21("3","6","3","2","6","5","3","1") = "5"
    & skf21("3","6","3","2","6","5","4","1") = "5"
    & skf21("3","6","3","2","6","5","5","1") = "5"
    & skf21("3","6","3","2","6","5","6","1") = "5"
    & skf21("3","6","3","2","6","5","7","1") = "6"
    & skf21("3","6","3","2","6","6","1","1") = "5"
    & skf21("3","6","3","2","6","6","2","1") = "5"
    & skf21("3","6","3","2","6","6","3","1") = "5"
    & skf21("3","6","3","2","6","6","4","1") = "5"
    & skf21("3","6","3","2","6","6","5","1") = "5"
    & skf21("3","6","3","2","6","6","6","1") = "5"
    & skf21("3","6","3","2","6","6","7","1") = "6"
    & skf21("3","6","3","2","6","7","1","1") = "6"
    & skf21("3","6","3","2","6","7","2","1") = "6"
    & skf21("3","6","3","2","6","7","3","1") = "6"
    & skf21("3","6","3","2","6","7","4","1") = "6"
    & skf21("3","6","3","2","6","7","5","1") = "6"
    & skf21("3","6","3","2","6","7","6","1") = "6"
    & skf21("3","6","3","2","6","7","7","1") = "6"
    & skf21("3","6","3","2","7","1","1","1") = "6"
    & skf21("3","6","3","2","7","1","2","1") = "6"
    & skf21("3","6","3","2","7","1","3","1") = "6"
    & skf21("3","6","3","2","7","1","4","1") = "6"
    & skf21("3","6","3","2","7","1","5","1") = "6"
    & skf21("3","6","3","2","7","1","6","1") = "6"
    & skf21("3","6","3","2","7","1","7","1") = "6"
    & skf21("3","6","3","2","7","2","1","1") = "6"
    & skf21("3","6","3","2","7","2","2","1") = "6"
    & skf21("3","6","3","2","7","2","3","1") = "6"
    & skf21("3","6","3","2","7","2","4","1") = "6"
    & skf21("3","6","3","2","7","2","5","1") = "6"
    & skf21("3","6","3","2","7","2","6","1") = "6"
    & skf21("3","6","3","2","7","2","7","1") = "6"
    & skf21("3","6","3","2","7","3","1","1") = "6"
    & skf21("3","6","3","2","7","3","2","1") = "6"
    & skf21("3","6","3","2","7","3","3","1") = "6"
    & skf21("3","6","3","2","7","3","4","1") = "6"
    & skf21("3","6","3","2","7","3","5","1") = "6"
    & skf21("3","6","3","2","7","3","6","1") = "6"
    & skf21("3","6","3","2","7","3","7","1") = "6"
    & skf21("3","6","3","2","7","4","1","1") = "6"
    & skf21("3","6","3","2","7","4","2","1") = "6"
    & skf21("3","6","3","2","7","4","3","1") = "6"
    & skf21("3","6","3","2","7","4","4","1") = "6"
    & skf21("3","6","3","2","7","4","5","1") = "6"
    & skf21("3","6","3","2","7","4","6","1") = "6"
    & skf21("3","6","3","2","7","4","7","1") = "6"
    & skf21("3","6","3","2","7","5","1","1") = "6"
    & skf21("3","6","3","2","7","5","2","1") = "6"
    & skf21("3","6","3","2","7","5","3","1") = "6"
    & skf21("3","6","3","2","7","5","4","1") = "6"
    & skf21("3","6","3","2","7","5","5","1") = "6"
    & skf21("3","6","3","2","7","5","6","1") = "6"
    & skf21("3","6","3","2","7","5","7","1") = "6"
    & skf21("3","6","3","2","7","6","1","1") = "6"
    & skf21("3","6","3","2","7","6","2","1") = "6"
    & skf21("3","6","3","2","7","6","3","1") = "6"
    & skf21("3","6","3","2","7","6","4","1") = "6"
    & skf21("3","6","3","2","7","6","5","1") = "6"
    & skf21("3","6","3","2","7","6","6","1") = "6"
    & skf21("3","6","3","2","7","6","7","1") = "6"
    & skf21("3","6","3","2","7","7","1","1") = "6"
    & skf21("3","6","3","2","7","7","2","1") = "6"
    & skf21("3","6","3","2","7","7","3","1") = "6"
    & skf21("3","6","3","2","7","7","4","1") = "6"
    & skf21("3","6","3","2","7","7","5","1") = "6"
    & skf21("3","6","3","2","7","7","6","1") = "6"
    & skf21("3","6","3","2","7","7","7","1") = "6"
    & skf21("3","6","3","3","1","1","1","1") = "5"
    & skf21("3","6","3","3","1","1","2","1") = "5"
    & skf21("3","6","3","3","1","1","3","1") = "5"
    & skf21("3","6","3","3","1","1","4","1") = "5"
    & skf21("3","6","3","3","1","1","5","1") = "5"
    & skf21("3","6","3","3","1","1","6","1") = "5"
    & skf21("3","6","3","3","1","1","7","1") = "6"
    & skf21("3","6","3","3","1","2","1","1") = "5"
    & skf21("3","6","3","3","1","2","2","1") = "5"
    & skf21("3","6","3","3","1","2","3","1") = "5"
    & skf21("3","6","3","3","1","2","4","1") = "5"
    & skf21("3","6","3","3","1","2","5","1") = "5"
    & skf21("3","6","3","3","1","2","6","1") = "5"
    & skf21("3","6","3","3","1","2","7","1") = "6"
    & skf21("3","6","3","3","1","3","1","1") = "5"
    & skf21("3","6","3","3","1","3","2","1") = "5"
    & skf21("3","6","3","3","1","3","3","1") = "5"
    & skf21("3","6","3","3","1","3","4","1") = "5"
    & skf21("3","6","3","3","1","3","5","1") = "5"
    & skf21("3","6","3","3","1","3","6","1") = "5"
    & skf21("3","6","3","3","1","3","7","1") = "6"
    & skf21("3","6","3","3","1","4","1","1") = "5"
    & skf21("3","6","3","3","1","4","2","1") = "5"
    & skf21("3","6","3","3","1","4","3","1") = "5"
    & skf21("3","6","3","3","1","4","4","1") = "5"
    & skf21("3","6","3","3","1","4","5","1") = "5"
    & skf21("3","6","3","3","1","4","6","1") = "5"
    & skf21("3","6","3","3","1","4","7","1") = "6"
    & skf21("3","6","3","3","1","5","1","1") = "5"
    & skf21("3","6","3","3","1","5","2","1") = "5"
    & skf21("3","6","3","3","1","5","3","1") = "5"
    & skf21("3","6","3","3","1","5","4","1") = "5"
    & skf21("3","6","3","3","1","5","5","1") = "5"
    & skf21("3","6","3","3","1","5","6","1") = "5"
    & skf21("3","6","3","3","1","5","7","1") = "6"
    & skf21("3","6","3","3","1","6","1","1") = "5"
    & skf21("3","6","3","3","1","6","2","1") = "5"
    & skf21("3","6","3","3","1","6","3","1") = "5"
    & skf21("3","6","3","3","1","6","4","1") = "5"
    & skf21("3","6","3","3","1","6","5","1") = "5"
    & skf21("3","6","3","3","1","6","6","1") = "5"
    & skf21("3","6","3","3","1","6","7","1") = "6"
    & skf21("3","6","3","3","1","7","1","1") = "6"
    & skf21("3","6","3","3","1","7","2","1") = "6"
    & skf21("3","6","3","3","1","7","3","1") = "6"
    & skf21("3","6","3","3","1","7","4","1") = "6"
    & skf21("3","6","3","3","1","7","5","1") = "6"
    & skf21("3","6","3","3","1","7","6","1") = "6"
    & skf21("3","6","3","3","1","7","7","1") = "6"
    & skf21("3","6","3","3","2","1","1","1") = "5"
    & skf21("3","6","3","3","2","1","2","1") = "5"
    & skf21("3","6","3","3","2","1","3","1") = "5"
    & skf21("3","6","3","3","2","1","4","1") = "5"
    & skf21("3","6","3","3","2","1","5","1") = "5"
    & skf21("3","6","3","3","2","1","6","1") = "5"
    & skf21("3","6","3","3","2","1","7","1") = "6"
    & skf21("3","6","3","3","2","2","1","1") = "5"
    & skf21("3","6","3","3","2","2","2","1") = "5"
    & skf21("3","6","3","3","2","2","3","1") = "5"
    & skf21("3","6","3","3","2","2","4","1") = "5"
    & skf21("3","6","3","3","2","2","5","1") = "5"
    & skf21("3","6","3","3","2","2","6","1") = "5"
    & skf21("3","6","3","3","2","2","7","1") = "6"
    & skf21("3","6","3","3","2","3","1","1") = "5"
    & skf21("3","6","3","3","2","3","2","1") = "5"
    & skf21("3","6","3","3","2","3","3","1") = "5"
    & skf21("3","6","3","3","2","3","4","1") = "5"
    & skf21("3","6","3","3","2","3","5","1") = "5"
    & skf21("3","6","3","3","2","3","6","1") = "5"
    & skf21("3","6","3","3","2","3","7","1") = "6"
    & skf21("3","6","3","3","2","4","1","1") = "5"
    & skf21("3","6","3","3","2","4","2","1") = "5"
    & skf21("3","6","3","3","2","4","3","1") = "5"
    & skf21("3","6","3","3","2","4","4","1") = "5"
    & skf21("3","6","3","3","2","4","5","1") = "5"
    & skf21("3","6","3","3","2","4","6","1") = "5"
    & skf21("3","6","3","3","2","4","7","1") = "6"
    & skf21("3","6","3","3","2","5","1","1") = "5"
    & skf21("3","6","3","3","2","5","2","1") = "5"
    & skf21("3","6","3","3","2","5","3","1") = "5"
    & skf21("3","6","3","3","2","5","4","1") = "5"
    & skf21("3","6","3","3","2","5","5","1") = "5"
    & skf21("3","6","3","3","2","5","6","1") = "5"
    & skf21("3","6","3","3","2","5","7","1") = "6"
    & skf21("3","6","3","3","2","6","1","1") = "5"
    & skf21("3","6","3","3","2","6","2","1") = "5"
    & skf21("3","6","3","3","2","6","3","1") = "5"
    & skf21("3","6","3","3","2","6","4","1") = "5"
    & skf21("3","6","3","3","2","6","5","1") = "5"
    & skf21("3","6","3","3","2","6","6","1") = "5"
    & skf21("3","6","3","3","2","6","7","1") = "6"
    & skf21("3","6","3","3","2","7","1","1") = "6"
    & skf21("3","6","3","3","2","7","2","1") = "6"
    & skf21("3","6","3","3","2","7","3","1") = "6"
    & skf21("3","6","3","3","2","7","4","1") = "6"
    & skf21("3","6","3","3","2","7","5","1") = "6"
    & skf21("3","6","3","3","2","7","6","1") = "6"
    & skf21("3","6","3","3","2","7","7","1") = "6"
    & skf21("3","6","3","3","3","1","1","1") = "5"
    & skf21("3","6","3","3","3","1","2","1") = "5"
    & skf21("3","6","3","3","3","1","3","1") = "5"
    & skf21("3","6","3","3","3","1","4","1") = "5"
    & skf21("3","6","3","3","3","1","5","1") = "5"
    & skf21("3","6","3","3","3","1","6","1") = "5"
    & skf21("3","6","3","3","3","1","7","1") = "6"
    & skf21("3","6","3","3","3","2","1","1") = "5"
    & skf21("3","6","3","3","3","2","2","1") = "5"
    & skf21("3","6","3","3","3","2","3","1") = "5"
    & skf21("3","6","3","3","3","2","4","1") = "5"
    & skf21("3","6","3","3","3","2","5","1") = "5"
    & skf21("3","6","3","3","3","2","6","1") = "5"
    & skf21("3","6","3","3","3","2","7","1") = "6"
    & skf21("3","6","3","3","3","3","1","1") = "5"
    & skf21("3","6","3","3","3","3","2","1") = "5"
    & skf21("3","6","3","3","3","3","3","1") = "5"
    & skf21("3","6","3","3","3","3","4","1") = "5"
    & skf21("3","6","3","3","3","3","5","1") = "5"
    & skf21("3","6","3","3","3","3","6","1") = "5"
    & skf21("3","6","3","3","3","3","7","1") = "6"
    & skf21("3","6","3","3","3","4","1","1") = "5"
    & skf21("3","6","3","3","3","4","2","1") = "5"
    & skf21("3","6","3","3","3","4","3","1") = "5"
    & skf21("3","6","3","3","3","4","4","1") = "5"
    & skf21("3","6","3","3","3","4","5","1") = "5"
    & skf21("3","6","3","3","3","4","6","1") = "5"
    & skf21("3","6","3","3","3","4","7","1") = "6"
    & skf21("3","6","3","3","3","5","1","1") = "5"
    & skf21("3","6","3","3","3","5","2","1") = "5"
    & skf21("3","6","3","3","3","5","3","1") = "5"
    & skf21("3","6","3","3","3","5","4","1") = "5"
    & skf21("3","6","3","3","3","5","5","1") = "5"
    & skf21("3","6","3","3","3","5","6","1") = "5"
    & skf21("3","6","3","3","3","5","7","1") = "6"
    & skf21("3","6","3","3","3","6","1","1") = "5"
    & skf21("3","6","3","3","3","6","2","1") = "5"
    & skf21("3","6","3","3","3","6","3","1") = "5"
    & skf21("3","6","3","3","3","6","4","1") = "5"
    & skf21("3","6","3","3","3","6","5","1") = "5"
    & skf21("3","6","3","3","3","6","6","1") = "5"
    & skf21("3","6","3","3","3","6","7","1") = "6"
    & skf21("3","6","3","3","3","7","1","1") = "6"
    & skf21("3","6","3","3","3","7","2","1") = "6"
    & skf21("3","6","3","3","3","7","3","1") = "6"
    & skf21("3","6","3","3","3","7","4","1") = "6"
    & skf21("3","6","3","3","3","7","5","1") = "6"
    & skf21("3","6","3","3","3","7","6","1") = "6"
    & skf21("3","6","3","3","3","7","7","1") = "6"
    & skf21("3","6","3","3","4","1","1","1") = "5"
    & skf21("3","6","3","3","4","1","2","1") = "5"
    & skf21("3","6","3","3","4","1","3","1") = "5"
    & skf21("3","6","3","3","4","1","4","1") = "5"
    & skf21("3","6","3","3","4","1","5","1") = "5"
    & skf21("3","6","3","3","4","1","6","1") = "5"
    & skf21("3","6","3","3","4","1","7","1") = "6"
    & skf21("3","6","3","3","4","2","1","1") = "5"
    & skf21("3","6","3","3","4","2","2","1") = "5"
    & skf21("3","6","3","3","4","2","3","1") = "5"
    & skf21("3","6","3","3","4","2","4","1") = "5"
    & skf21("3","6","3","3","4","2","5","1") = "5"
    & skf21("3","6","3","3","4","2","6","1") = "5"
    & skf21("3","6","3","3","4","2","7","1") = "6"
    & skf21("3","6","3","3","4","3","1","1") = "5"
    & skf21("3","6","3","3","4","3","2","1") = "5"
    & skf21("3","6","3","3","4","3","3","1") = "5"
    & skf21("3","6","3","3","4","3","4","1") = "5"
    & skf21("3","6","3","3","4","3","5","1") = "5"
    & skf21("3","6","3","3","4","3","6","1") = "5"
    & skf21("3","6","3","3","4","3","7","1") = "6"
    & skf21("3","6","3","3","4","4","1","1") = "5"
    & skf21("3","6","3","3","4","4","2","1") = "5"
    & skf21("3","6","3","3","4","4","3","1") = "5"
    & skf21("3","6","3","3","4","4","4","1") = "5"
    & skf21("3","6","3","3","4","4","5","1") = "5"
    & skf21("3","6","3","3","4","4","6","1") = "5"
    & skf21("3","6","3","3","4","4","7","1") = "6"
    & skf21("3","6","3","3","4","5","1","1") = "5"
    & skf21("3","6","3","3","4","5","2","1") = "5"
    & skf21("3","6","3","3","4","5","3","1") = "5"
    & skf21("3","6","3","3","4","5","4","1") = "5"
    & skf21("3","6","3","3","4","5","5","1") = "5"
    & skf21("3","6","3","3","4","5","6","1") = "5"
    & skf21("3","6","3","3","4","5","7","1") = "6"
    & skf21("3","6","3","3","4","6","1","1") = "5"
    & skf21("3","6","3","3","4","6","2","1") = "5"
    & skf21("3","6","3","3","4","6","3","1") = "5"
    & skf21("3","6","3","3","4","6","4","1") = "5"
    & skf21("3","6","3","3","4","6","5","1") = "5"
    & skf21("3","6","3","3","4","6","6","1") = "5"
    & skf21("3","6","3","3","4","6","7","1") = "6"
    & skf21("3","6","3","3","4","7","1","1") = "6"
    & skf21("3","6","3","3","4","7","2","1") = "6"
    & skf21("3","6","3","3","4","7","3","1") = "6"
    & skf21("3","6","3","3","4","7","4","1") = "6"
    & skf21("3","6","3","3","4","7","5","1") = "6"
    & skf21("3","6","3","3","4","7","6","1") = "6"
    & skf21("3","6","3","3","4","7","7","1") = "6"
    & skf21("3","6","3","3","5","1","1","1") = "5"
    & skf21("3","6","3","3","5","1","2","1") = "5"
    & skf21("3","6","3","3","5","1","3","1") = "5"
    & skf21("3","6","3","3","5","1","4","1") = "5"
    & skf21("3","6","3","3","5","1","5","1") = "5"
    & skf21("3","6","3","3","5","1","6","1") = "5"
    & skf21("3","6","3","3","5","1","7","1") = "6"
    & skf21("3","6","3","3","5","2","1","1") = "5"
    & skf21("3","6","3","3","5","2","2","1") = "5"
    & skf21("3","6","3","3","5","2","3","1") = "5"
    & skf21("3","6","3","3","5","2","4","1") = "5"
    & skf21("3","6","3","3","5","2","5","1") = "5"
    & skf21("3","6","3","3","5","2","6","1") = "5"
    & skf21("3","6","3","3","5","2","7","1") = "6"
    & skf21("3","6","3","3","5","3","1","1") = "5"
    & skf21("3","6","3","3","5","3","2","1") = "5"
    & skf21("3","6","3","3","5","3","3","1") = "5"
    & skf21("3","6","3","3","5","3","4","1") = "5"
    & skf21("3","6","3","3","5","3","5","1") = "5"
    & skf21("3","6","3","3","5","3","6","1") = "5"
    & skf21("3","6","3","3","5","3","7","1") = "6"
    & skf21("3","6","3","3","5","4","1","1") = "5"
    & skf21("3","6","3","3","5","4","2","1") = "5"
    & skf21("3","6","3","3","5","4","3","1") = "5"
    & skf21("3","6","3","3","5","4","4","1") = "5"
    & skf21("3","6","3","3","5","4","5","1") = "5"
    & skf21("3","6","3","3","5","4","6","1") = "5"
    & skf21("3","6","3","3","5","4","7","1") = "6"
    & skf21("3","6","3","3","5","5","1","1") = "5"
    & skf21("3","6","3","3","5","5","2","1") = "5"
    & skf21("3","6","3","3","5","5","3","1") = "5"
    & skf21("3","6","3","3","5","5","4","1") = "5"
    & skf21("3","6","3","3","5","5","5","1") = "5"
    & skf21("3","6","3","3","5","5","6","1") = "5"
    & skf21("3","6","3","3","5","5","7","1") = "6"
    & skf21("3","6","3","3","5","6","1","1") = "5"
    & skf21("3","6","3","3","5","6","2","1") = "5"
    & skf21("3","6","3","3","5","6","3","1") = "5"
    & skf21("3","6","3","3","5","6","4","1") = "5"
    & skf21("3","6","3","3","5","6","5","1") = "5"
    & skf21("3","6","3","3","5","6","6","1") = "5"
    & skf21("3","6","3","3","5","6","7","1") = "6"
    & skf21("3","6","3","3","5","7","1","1") = "6"
    & skf21("3","6","3","3","5","7","2","1") = "6"
    & skf21("3","6","3","3","5","7","3","1") = "6"
    & skf21("3","6","3","3","5","7","4","1") = "6"
    & skf21("3","6","3","3","5","7","5","1") = "6"
    & skf21("3","6","3","3","5","7","6","1") = "6"
    & skf21("3","6","3","3","5","7","7","1") = "6"
    & skf21("3","6","3","3","6","1","1","1") = "5"
    & skf21("3","6","3","3","6","1","2","1") = "5"
    & skf21("3","6","3","3","6","1","3","1") = "5"
    & skf21("3","6","3","3","6","1","4","1") = "5"
    & skf21("3","6","3","3","6","1","5","1") = "5"
    & skf21("3","6","3","3","6","1","6","1") = "5"
    & skf21("3","6","3","3","6","1","7","1") = "6"
    & skf21("3","6","3","3","6","2","1","1") = "5"
    & skf21("3","6","3","3","6","2","2","1") = "5"
    & skf21("3","6","3","3","6","2","3","1") = "5"
    & skf21("3","6","3","3","6","2","4","1") = "5"
    & skf21("3","6","3","3","6","2","5","1") = "5"
    & skf21("3","6","3","3","6","2","6","1") = "5"
    & skf21("3","6","3","3","6","2","7","1") = "6"
    & skf21("3","6","3","3","6","3","1","1") = "5"
    & skf21("3","6","3","3","6","3","2","1") = "5"
    & skf21("3","6","3","3","6","3","3","1") = "5"
    & skf21("3","6","3","3","6","3","4","1") = "5"
    & skf21("3","6","3","3","6","3","5","1") = "5"
    & skf21("3","6","3","3","6","3","6","1") = "5"
    & skf21("3","6","3","3","6","3","7","1") = "6"
    & skf21("3","6","3","3","6","4","1","1") = "5"
    & skf21("3","6","3","3","6","4","2","1") = "5"
    & skf21("3","6","3","3","6","4","3","1") = "5"
    & skf21("3","6","3","3","6","4","4","1") = "5"
    & skf21("3","6","3","3","6","4","5","1") = "5"
    & skf21("3","6","3","3","6","4","6","1") = "5"
    & skf21("3","6","3","3","6","4","7","1") = "6"
    & skf21("3","6","3","3","6","5","1","1") = "5"
    & skf21("3","6","3","3","6","5","2","1") = "5"
    & skf21("3","6","3","3","6","5","3","1") = "5"
    & skf21("3","6","3","3","6","5","4","1") = "5"
    & skf21("3","6","3","3","6","5","5","1") = "5"
    & skf21("3","6","3","3","6","5","6","1") = "5"
    & skf21("3","6","3","3","6","5","7","1") = "6"
    & skf21("3","6","3","3","6","6","1","1") = "5"
    & skf21("3","6","3","3","6","6","2","1") = "5"
    & skf21("3","6","3","3","6","6","3","1") = "5"
    & skf21("3","6","3","3","6","6","4","1") = "5"
    & skf21("3","6","3","3","6","6","5","1") = "5"
    & skf21("3","6","3","3","6","6","6","1") = "5"
    & skf21("3","6","3","3","6","6","7","1") = "6"
    & skf21("3","6","3","3","6","7","1","1") = "6"
    & skf21("3","6","3","3","6","7","2","1") = "6"
    & skf21("3","6","3","3","6","7","3","1") = "6"
    & skf21("3","6","3","3","6","7","4","1") = "6"
    & skf21("3","6","3","3","6","7","5","1") = "6"
    & skf21("3","6","3","3","6","7","6","1") = "6"
    & skf21("3","6","3","3","6","7","7","1") = "6"
    & skf21("3","6","3","3","7","1","1","1") = "6"
    & skf21("3","6","3","3","7","1","2","1") = "6"
    & skf21("3","6","3","3","7","1","3","1") = "6"
    & skf21("3","6","3","3","7","1","4","1") = "6"
    & skf21("3","6","3","3","7","1","5","1") = "6"
    & skf21("3","6","3","3","7","1","6","1") = "6"
    & skf21("3","6","3","3","7","1","7","1") = "6"
    & skf21("3","6","3","3","7","2","1","1") = "6"
    & skf21("3","6","3","3","7","2","2","1") = "6"
    & skf21("3","6","3","3","7","2","3","1") = "6"
    & skf21("3","6","3","3","7","2","4","1") = "6"
    & skf21("3","6","3","3","7","2","5","1") = "6"
    & skf21("3","6","3","3","7","2","6","1") = "6"
    & skf21("3","6","3","3","7","2","7","1") = "6"
    & skf21("3","6","3","3","7","3","1","1") = "6"
    & skf21("3","6","3","3","7","3","2","1") = "6"
    & skf21("3","6","3","3","7","3","3","1") = "6"
    & skf21("3","6","3","3","7","3","4","1") = "6"
    & skf21("3","6","3","3","7","3","5","1") = "6"
    & skf21("3","6","3","3","7","3","6","1") = "6"
    & skf21("3","6","3","3","7","3","7","1") = "6"
    & skf21("3","6","3","3","7","4","1","1") = "6"
    & skf21("3","6","3","3","7","4","2","1") = "6"
    & skf21("3","6","3","3","7","4","3","1") = "6"
    & skf21("3","6","3","3","7","4","4","1") = "6"
    & skf21("3","6","3","3","7","4","5","1") = "6"
    & skf21("3","6","3","3","7","4","6","1") = "6"
    & skf21("3","6","3","3","7","4","7","1") = "6"
    & skf21("3","6","3","3","7","5","1","1") = "6"
    & skf21("3","6","3","3","7","5","2","1") = "6"
    & skf21("3","6","3","3","7","5","3","1") = "6"
    & skf21("3","6","3","3","7","5","4","1") = "6"
    & skf21("3","6","3","3","7","5","5","1") = "6"
    & skf21("3","6","3","3","7","5","6","1") = "6"
    & skf21("3","6","3","3","7","5","7","1") = "6"
    & skf21("3","6","3","3","7","6","1","1") = "6"
    & skf21("3","6","3","3","7","6","2","1") = "6"
    & skf21("3","6","3","3","7","6","3","1") = "6"
    & skf21("3","6","3","3","7","6","4","1") = "6"
    & skf21("3","6","3","3","7","6","5","1") = "6"
    & skf21("3","6","3","3","7","6","6","1") = "6"
    & skf21("3","6","3","3","7","6","7","1") = "6"
    & skf21("3","6","3","3","7","7","1","1") = "6"
    & skf21("3","6","3","3","7","7","2","1") = "6"
    & skf21("3","6","3","3","7","7","3","1") = "6"
    & skf21("3","6","3","3","7","7","4","1") = "6"
    & skf21("3","6","3","3","7","7","5","1") = "6"
    & skf21("3","6","3","3","7","7","6","1") = "6"
    & skf21("3","6","3","3","7","7","7","1") = "6"
    & skf21("3","6","3","4","1","1","1","1") = "5"
    & skf21("3","6","3","4","1","1","2","1") = "5"
    & skf21("3","6","3","4","1","1","3","1") = "5"
    & skf21("3","6","3","4","1","1","4","1") = "5"
    & skf21("3","6","3","4","1","1","5","1") = "5"
    & skf21("3","6","3","4","1","1","6","1") = "5"
    & skf21("3","6","3","4","1","1","7","1") = "6"
    & skf21("3","6","3","4","1","2","1","1") = "5"
    & skf21("3","6","3","4","1","2","2","1") = "5"
    & skf21("3","6","3","4","1","2","3","1") = "5"
    & skf21("3","6","3","4","1","2","4","1") = "5"
    & skf21("3","6","3","4","1","2","5","1") = "5"
    & skf21("3","6","3","4","1","2","6","1") = "5"
    & skf21("3","6","3","4","1","2","7","1") = "6"
    & skf21("3","6","3","4","1","3","1","1") = "5"
    & skf21("3","6","3","4","1","3","2","1") = "5"
    & skf21("3","6","3","4","1","3","3","1") = "5"
    & skf21("3","6","3","4","1","3","4","1") = "5"
    & skf21("3","6","3","4","1","3","5","1") = "5"
    & skf21("3","6","3","4","1","3","6","1") = "5"
    & skf21("3","6","3","4","1","3","7","1") = "6"
    & skf21("3","6","3","4","1","4","1","1") = "5"
    & skf21("3","6","3","4","1","4","2","1") = "5"
    & skf21("3","6","3","4","1","4","3","1") = "5"
    & skf21("3","6","3","4","1","4","4","1") = "5"
    & skf21("3","6","3","4","1","4","5","1") = "5"
    & skf21("3","6","3","4","1","4","6","1") = "5"
    & skf21("3","6","3","4","1","4","7","1") = "6"
    & skf21("3","6","3","4","1","5","1","1") = "5"
    & skf21("3","6","3","4","1","5","2","1") = "5"
    & skf21("3","6","3","4","1","5","3","1") = "5"
    & skf21("3","6","3","4","1","5","4","1") = "5"
    & skf21("3","6","3","4","1","5","5","1") = "5"
    & skf21("3","6","3","4","1","5","6","1") = "5"
    & skf21("3","6","3","4","1","5","7","1") = "6"
    & skf21("3","6","3","4","1","6","1","1") = "5"
    & skf21("3","6","3","4","1","6","2","1") = "5"
    & skf21("3","6","3","4","1","6","3","1") = "5"
    & skf21("3","6","3","4","1","6","4","1") = "5"
    & skf21("3","6","3","4","1","6","5","1") = "5"
    & skf21("3","6","3","4","1","6","6","1") = "5"
    & skf21("3","6","3","4","1","6","7","1") = "6"
    & skf21("3","6","3","4","1","7","1","1") = "6"
    & skf21("3","6","3","4","1","7","2","1") = "6"
    & skf21("3","6","3","4","1","7","3","1") = "6"
    & skf21("3","6","3","4","1","7","4","1") = "6"
    & skf21("3","6","3","4","1","7","5","1") = "6"
    & skf21("3","6","3","4","1","7","6","1") = "6"
    & skf21("3","6","3","4","1","7","7","1") = "6"
    & skf21("3","6","3","4","2","1","1","1") = "5"
    & skf21("3","6","3","4","2","1","2","1") = "5"
    & skf21("3","6","3","4","2","1","3","1") = "5"
    & skf21("3","6","3","4","2","1","4","1") = "5"
    & skf21("3","6","3","4","2","1","5","1") = "5"
    & skf21("3","6","3","4","2","1","6","1") = "5"
    & skf21("3","6","3","4","2","1","7","1") = "6"
    & skf21("3","6","3","4","2","2","1","1") = "5"
    & skf21("3","6","3","4","2","2","2","1") = "5"
    & skf21("3","6","3","4","2","2","3","1") = "5"
    & skf21("3","6","3","4","2","2","4","1") = "5"
    & skf21("3","6","3","4","2","2","5","1") = "5"
    & skf21("3","6","3","4","2","2","6","1") = "5"
    & skf21("3","6","3","4","2","2","7","1") = "6"
    & skf21("3","6","3","4","2","3","1","1") = "5"
    & skf21("3","6","3","4","2","3","2","1") = "5"
    & skf21("3","6","3","4","2","3","3","1") = "5"
    & skf21("3","6","3","4","2","3","4","1") = "5"
    & skf21("3","6","3","4","2","3","5","1") = "5"
    & skf21("3","6","3","4","2","3","6","1") = "5"
    & skf21("3","6","3","4","2","3","7","1") = "6"
    & skf21("3","6","3","4","2","4","1","1") = "5"
    & skf21("3","6","3","4","2","4","2","1") = "5"
    & skf21("3","6","3","4","2","4","3","1") = "5"
    & skf21("3","6","3","4","2","4","4","1") = "5"
    & skf21("3","6","3","4","2","4","5","1") = "5"
    & skf21("3","6","3","4","2","4","6","1") = "5"
    & skf21("3","6","3","4","2","4","7","1") = "6"
    & skf21("3","6","3","4","2","5","1","1") = "5"
    & skf21("3","6","3","4","2","5","2","1") = "5"
    & skf21("3","6","3","4","2","5","3","1") = "5"
    & skf21("3","6","3","4","2","5","4","1") = "5"
    & skf21("3","6","3","4","2","5","5","1") = "5"
    & skf21("3","6","3","4","2","5","6","1") = "5"
    & skf21("3","6","3","4","2","5","7","1") = "6"
    & skf21("3","6","3","4","2","6","1","1") = "5"
    & skf21("3","6","3","4","2","6","2","1") = "5"
    & skf21("3","6","3","4","2","6","3","1") = "5"
    & skf21("3","6","3","4","2","6","4","1") = "5"
    & skf21("3","6","3","4","2","6","5","1") = "5"
    & skf21("3","6","3","4","2","6","6","1") = "5"
    & skf21("3","6","3","4","2","6","7","1") = "6"
    & skf21("3","6","3","4","2","7","1","1") = "6"
    & skf21("3","6","3","4","2","7","2","1") = "6"
    & skf21("3","6","3","4","2","7","3","1") = "6"
    & skf21("3","6","3","4","2","7","4","1") = "6"
    & skf21("3","6","3","4","2","7","5","1") = "6"
    & skf21("3","6","3","4","2","7","6","1") = "6"
    & skf21("3","6","3","4","2","7","7","1") = "6"
    & skf21("3","6","3","4","3","1","1","1") = "5"
    & skf21("3","6","3","4","3","1","2","1") = "5"
    & skf21("3","6","3","4","3","1","3","1") = "5"
    & skf21("3","6","3","4","3","1","4","1") = "5"
    & skf21("3","6","3","4","3","1","5","1") = "5"
    & skf21("3","6","3","4","3","1","6","1") = "5"
    & skf21("3","6","3","4","3","1","7","1") = "6"
    & skf21("3","6","3","4","3","2","1","1") = "5"
    & skf21("3","6","3","4","3","2","2","1") = "5"
    & skf21("3","6","3","4","3","2","3","1") = "5"
    & skf21("3","6","3","4","3","2","4","1") = "5"
    & skf21("3","6","3","4","3","2","5","1") = "5"
    & skf21("3","6","3","4","3","2","6","1") = "5"
    & skf21("3","6","3","4","3","2","7","1") = "6"
    & skf21("3","6","3","4","3","3","1","1") = "5"
    & skf21("3","6","3","4","3","3","2","1") = "5"
    & skf21("3","6","3","4","3","3","3","1") = "5"
    & skf21("3","6","3","4","3","3","4","1") = "5"
    & skf21("3","6","3","4","3","3","5","1") = "5"
    & skf21("3","6","3","4","3","3","6","1") = "5"
    & skf21("3","6","3","4","3","3","7","1") = "6"
    & skf21("3","6","3","4","3","4","1","1") = "5"
    & skf21("3","6","3","4","3","4","2","1") = "5"
    & skf21("3","6","3","4","3","4","3","1") = "5"
    & skf21("3","6","3","4","3","4","4","1") = "5"
    & skf21("3","6","3","4","3","4","5","1") = "5"
    & skf21("3","6","3","4","3","4","6","1") = "5"
    & skf21("3","6","3","4","3","4","7","1") = "6"
    & skf21("3","6","3","4","3","5","1","1") = "5"
    & skf21("3","6","3","4","3","5","2","1") = "5"
    & skf21("3","6","3","4","3","5","3","1") = "5"
    & skf21("3","6","3","4","3","5","4","1") = "5"
    & skf21("3","6","3","4","3","5","5","1") = "5"
    & skf21("3","6","3","4","3","5","6","1") = "5"
    & skf21("3","6","3","4","3","5","7","1") = "6"
    & skf21("3","6","3","4","3","6","1","1") = "5"
    & skf21("3","6","3","4","3","6","2","1") = "5"
    & skf21("3","6","3","4","3","6","3","1") = "5"
    & skf21("3","6","3","4","3","6","4","1") = "5"
    & skf21("3","6","3","4","3","6","5","1") = "5"
    & skf21("3","6","3","4","3","6","6","1") = "5"
    & skf21("3","6","3","4","3","6","7","1") = "6"
    & skf21("3","6","3","4","3","7","1","1") = "6"
    & skf21("3","6","3","4","3","7","2","1") = "6"
    & skf21("3","6","3","4","3","7","3","1") = "6"
    & skf21("3","6","3","4","3","7","4","1") = "6"
    & skf21("3","6","3","4","3","7","5","1") = "6"
    & skf21("3","6","3","4","3","7","6","1") = "6"
    & skf21("3","6","3","4","3","7","7","1") = "6"
    & skf21("3","6","3","4","4","1","1","1") = "5"
    & skf21("3","6","3","4","4","1","2","1") = "5"
    & skf21("3","6","3","4","4","1","3","1") = "5"
    & skf21("3","6","3","4","4","1","4","1") = "5"
    & skf21("3","6","3","4","4","1","5","1") = "5"
    & skf21("3","6","3","4","4","1","6","1") = "5"
    & skf21("3","6","3","4","4","1","7","1") = "6"
    & skf21("3","6","3","4","4","2","1","1") = "5"
    & skf21("3","6","3","4","4","2","2","1") = "5"
    & skf21("3","6","3","4","4","2","3","1") = "5"
    & skf21("3","6","3","4","4","2","4","1") = "5"
    & skf21("3","6","3","4","4","2","5","1") = "5"
    & skf21("3","6","3","4","4","2","6","1") = "5"
    & skf21("3","6","3","4","4","2","7","1") = "6"
    & skf21("3","6","3","4","4","3","1","1") = "5"
    & skf21("3","6","3","4","4","3","2","1") = "5"
    & skf21("3","6","3","4","4","3","3","1") = "5"
    & skf21("3","6","3","4","4","3","4","1") = "5"
    & skf21("3","6","3","4","4","3","5","1") = "5"
    & skf21("3","6","3","4","4","3","6","1") = "5"
    & skf21("3","6","3","4","4","3","7","1") = "6"
    & skf21("3","6","3","4","4","4","1","1") = "5"
    & skf21("3","6","3","4","4","4","2","1") = "5"
    & skf21("3","6","3","4","4","4","3","1") = "5"
    & skf21("3","6","3","4","4","4","4","1") = "5"
    & skf21("3","6","3","4","4","4","5","1") = "5"
    & skf21("3","6","3","4","4","4","6","1") = "5"
    & skf21("3","6","3","4","4","4","7","1") = "6"
    & skf21("3","6","3","4","4","5","1","1") = "5"
    & skf21("3","6","3","4","4","5","2","1") = "5"
    & skf21("3","6","3","4","4","5","3","1") = "5"
    & skf21("3","6","3","4","4","5","4","1") = "5"
    & skf21("3","6","3","4","4","5","5","1") = "5"
    & skf21("3","6","3","4","4","5","6","1") = "5"
    & skf21("3","6","3","4","4","5","7","1") = "6"
    & skf21("3","6","3","4","4","6","1","1") = "5"
    & skf21("3","6","3","4","4","6","2","1") = "5"
    & skf21("3","6","3","4","4","6","3","1") = "5"
    & skf21("3","6","3","4","4","6","4","1") = "5"
    & skf21("3","6","3","4","4","6","5","1") = "5"
    & skf21("3","6","3","4","4","6","6","1") = "5"
    & skf21("3","6","3","4","4","6","7","1") = "6"
    & skf21("3","6","3","4","4","7","1","1") = "6"
    & skf21("3","6","3","4","4","7","2","1") = "6"
    & skf21("3","6","3","4","4","7","3","1") = "6"
    & skf21("3","6","3","4","4","7","4","1") = "6"
    & skf21("3","6","3","4","4","7","5","1") = "6"
    & skf21("3","6","3","4","4","7","6","1") = "6"
    & skf21("3","6","3","4","4","7","7","1") = "6"
    & skf21("3","6","3","4","5","1","1","1") = "5"
    & skf21("3","6","3","4","5","1","2","1") = "5"
    & skf21("3","6","3","4","5","1","3","1") = "5"
    & skf21("3","6","3","4","5","1","4","1") = "5"
    & skf21("3","6","3","4","5","1","5","1") = "5"
    & skf21("3","6","3","4","5","1","6","1") = "5"
    & skf21("3","6","3","4","5","1","7","1") = "6"
    & skf21("3","6","3","4","5","2","1","1") = "5"
    & skf21("3","6","3","4","5","2","2","1") = "5"
    & skf21("3","6","3","4","5","2","3","1") = "5"
    & skf21("3","6","3","4","5","2","4","1") = "5"
    & skf21("3","6","3","4","5","2","5","1") = "5"
    & skf21("3","6","3","4","5","2","6","1") = "5"
    & skf21("3","6","3","4","5","2","7","1") = "6"
    & skf21("3","6","3","4","5","3","1","1") = "5"
    & skf21("3","6","3","4","5","3","2","1") = "5"
    & skf21("3","6","3","4","5","3","3","1") = "5"
    & skf21("3","6","3","4","5","3","4","1") = "5"
    & skf21("3","6","3","4","5","3","5","1") = "5"
    & skf21("3","6","3","4","5","3","6","1") = "5"
    & skf21("3","6","3","4","5","3","7","1") = "6"
    & skf21("3","6","3","4","5","4","1","1") = "5"
    & skf21("3","6","3","4","5","4","2","1") = "5"
    & skf21("3","6","3","4","5","4","3","1") = "5"
    & skf21("3","6","3","4","5","4","4","1") = "5"
    & skf21("3","6","3","4","5","4","5","1") = "5"
    & skf21("3","6","3","4","5","4","6","1") = "5"
    & skf21("3","6","3","4","5","4","7","1") = "6"
    & skf21("3","6","3","4","5","5","1","1") = "5"
    & skf21("3","6","3","4","5","5","2","1") = "5"
    & skf21("3","6","3","4","5","5","3","1") = "5"
    & skf21("3","6","3","4","5","5","4","1") = "5"
    & skf21("3","6","3","4","5","5","5","1") = "5"
    & skf21("3","6","3","4","5","5","6","1") = "5"
    & skf21("3","6","3","4","5","5","7","1") = "6"
    & skf21("3","6","3","4","5","6","1","1") = "5"
    & skf21("3","6","3","4","5","6","2","1") = "5"
    & skf21("3","6","3","4","5","6","3","1") = "5"
    & skf21("3","6","3","4","5","6","4","1") = "5"
    & skf21("3","6","3","4","5","6","5","1") = "5"
    & skf21("3","6","3","4","5","6","6","1") = "5"
    & skf21("3","6","3","4","5","6","7","1") = "6"
    & skf21("3","6","3","4","5","7","1","1") = "6"
    & skf21("3","6","3","4","5","7","2","1") = "6"
    & skf21("3","6","3","4","5","7","3","1") = "6"
    & skf21("3","6","3","4","5","7","4","1") = "6"
    & skf21("3","6","3","4","5","7","5","1") = "6"
    & skf21("3","6","3","4","5","7","6","1") = "6"
    & skf21("3","6","3","4","5","7","7","1") = "6"
    & skf21("3","6","3","4","6","1","1","1") = "5"
    & skf21("3","6","3","4","6","1","2","1") = "5"
    & skf21("3","6","3","4","6","1","3","1") = "5"
    & skf21("3","6","3","4","6","1","4","1") = "5"
    & skf21("3","6","3","4","6","1","5","1") = "5"
    & skf21("3","6","3","4","6","1","6","1") = "5"
    & skf21("3","6","3","4","6","1","7","1") = "6"
    & skf21("3","6","3","4","6","2","1","1") = "5"
    & skf21("3","6","3","4","6","2","2","1") = "5"
    & skf21("3","6","3","4","6","2","3","1") = "5"
    & skf21("3","6","3","4","6","2","4","1") = "5"
    & skf21("3","6","3","4","6","2","5","1") = "5"
    & skf21("3","6","3","4","6","2","6","1") = "5"
    & skf21("3","6","3","4","6","2","7","1") = "6"
    & skf21("3","6","3","4","6","3","1","1") = "5"
    & skf21("3","6","3","4","6","3","2","1") = "5"
    & skf21("3","6","3","4","6","3","3","1") = "5"
    & skf21("3","6","3","4","6","3","4","1") = "5"
    & skf21("3","6","3","4","6","3","5","1") = "5"
    & skf21("3","6","3","4","6","3","6","1") = "5"
    & skf21("3","6","3","4","6","3","7","1") = "6"
    & skf21("3","6","3","4","6","4","1","1") = "5"
    & skf21("3","6","3","4","6","4","2","1") = "5"
    & skf21("3","6","3","4","6","4","3","1") = "5"
    & skf21("3","6","3","4","6","4","4","1") = "5"
    & skf21("3","6","3","4","6","4","5","1") = "5"
    & skf21("3","6","3","4","6","4","6","1") = "5"
    & skf21("3","6","3","4","6","4","7","1") = "6"
    & skf21("3","6","3","4","6","5","1","1") = "5"
    & skf21("3","6","3","4","6","5","2","1") = "5"
    & skf21("3","6","3","4","6","5","3","1") = "5"
    & skf21("3","6","3","4","6","5","4","1") = "5"
    & skf21("3","6","3","4","6","5","5","1") = "5"
    & skf21("3","6","3","4","6","5","6","1") = "5"
    & skf21("3","6","3","4","6","5","7","1") = "6"
    & skf21("3","6","3","4","6","6","1","1") = "5"
    & skf21("3","6","3","4","6","6","2","1") = "5"
    & skf21("3","6","3","4","6","6","3","1") = "5"
    & skf21("3","6","3","4","6","6","4","1") = "5"
    & skf21("3","6","3","4","6","6","5","1") = "5"
    & skf21("3","6","3","4","6","6","6","1") = "5"
    & skf21("3","6","3","4","6","6","7","1") = "6"
    & skf21("3","6","3","4","6","7","1","1") = "6"
    & skf21("3","6","3","4","6","7","2","1") = "6"
    & skf21("3","6","3","4","6","7","3","1") = "6"
    & skf21("3","6","3","4","6","7","4","1") = "6"
    & skf21("3","6","3","4","6","7","5","1") = "6"
    & skf21("3","6","3","4","6","7","6","1") = "6"
    & skf21("3","6","3","4","6","7","7","1") = "6"
    & skf21("3","6","3","4","7","1","1","1") = "6"
    & skf21("3","6","3","4","7","1","2","1") = "6"
    & skf21("3","6","3","4","7","1","3","1") = "6"
    & skf21("3","6","3","4","7","1","4","1") = "6"
    & skf21("3","6","3","4","7","1","5","1") = "6"
    & skf21("3","6","3","4","7","1","6","1") = "6"
    & skf21("3","6","3","4","7","1","7","1") = "6"
    & skf21("3","6","3","4","7","2","1","1") = "6"
    & skf21("3","6","3","4","7","2","2","1") = "6"
    & skf21("3","6","3","4","7","2","3","1") = "6"
    & skf21("3","6","3","4","7","2","4","1") = "6"
    & skf21("3","6","3","4","7","2","5","1") = "6"
    & skf21("3","6","3","4","7","2","6","1") = "6"
    & skf21("3","6","3","4","7","2","7","1") = "6"
    & skf21("3","6","3","4","7","3","1","1") = "6"
    & skf21("3","6","3","4","7","3","2","1") = "6"
    & skf21("3","6","3","4","7","3","3","1") = "6"
    & skf21("3","6","3","4","7","3","4","1") = "6"
    & skf21("3","6","3","4","7","3","5","1") = "6"
    & skf21("3","6","3","4","7","3","6","1") = "6"
    & skf21("3","6","3","4","7","3","7","1") = "6"
    & skf21("3","6","3","4","7","4","1","1") = "6"
    & skf21("3","6","3","4","7","4","2","1") = "6"
    & skf21("3","6","3","4","7","4","3","1") = "6"
    & skf21("3","6","3","4","7","4","4","1") = "6"
    & skf21("3","6","3","4","7","4","5","1") = "6"
    & skf21("3","6","3","4","7","4","6","1") = "6"
    & skf21("3","6","3","4","7","4","7","1") = "6"
    & skf21("3","6","3","4","7","5","1","1") = "6"
    & skf21("3","6","3","4","7","5","2","1") = "6"
    & skf21("3","6","3","4","7","5","3","1") = "6"
    & skf21("3","6","3","4","7","5","4","1") = "6"
    & skf21("3","6","3","4","7","5","5","1") = "6"
    & skf21("3","6","3","4","7","5","6","1") = "6"
    & skf21("3","6","3","4","7","5","7","1") = "6"
    & skf21("3","6","3","4","7","6","1","1") = "6"
    & skf21("3","6","3","4","7","6","2","1") = "6"
    & skf21("3","6","3","4","7","6","3","1") = "6"
    & skf21("3","6","3","4","7","6","4","1") = "6"
    & skf21("3","6","3","4","7","6","5","1") = "6"
    & skf21("3","6","3","4","7","6","6","1") = "6"
    & skf21("3","6","3","4","7","6","7","1") = "6"
    & skf21("3","6","3","4","7","7","1","1") = "6"
    & skf21("3","6","3","4","7","7","2","1") = "6"
    & skf21("3","6","3","4","7","7","3","1") = "6"
    & skf21("3","6","3","4","7","7","4","1") = "6"
    & skf21("3","6","3","4","7","7","5","1") = "6"
    & skf21("3","6","3","4","7","7","6","1") = "6"
    & skf21("3","6","3","4","7","7","7","1") = "6"
    & skf21("3","6","3","5","1","1","1","1") = "5"
    & skf21("3","6","3","5","1","1","2","1") = "5"
    & skf21("3","6","3","5","1","1","3","1") = "5"
    & skf21("3","6","3","5","1","1","4","1") = "5"
    & skf21("3","6","3","5","1","1","5","1") = "5"
    & skf21("3","6","3","5","1","1","6","1") = "5"
    & skf21("3","6","3","5","1","1","7","1") = "6"
    & skf21("3","6","3","5","1","2","1","1") = "5"
    & skf21("3","6","3","5","1","2","2","1") = "5"
    & skf21("3","6","3","5","1","2","3","1") = "5"
    & skf21("3","6","3","5","1","2","4","1") = "5"
    & skf21("3","6","3","5","1","2","5","1") = "5"
    & skf21("3","6","3","5","1","2","6","1") = "5"
    & skf21("3","6","3","5","1","2","7","1") = "6"
    & skf21("3","6","3","5","1","3","1","1") = "5"
    & skf21("3","6","3","5","1","3","2","1") = "5"
    & skf21("3","6","3","5","1","3","3","1") = "5"
    & skf21("3","6","3","5","1","3","4","1") = "5"
    & skf21("3","6","3","5","1","3","5","1") = "5"
    & skf21("3","6","3","5","1","3","6","1") = "5"
    & skf21("3","6","3","5","1","3","7","1") = "6"
    & skf21("3","6","3","5","1","4","1","1") = "5"
    & skf21("3","6","3","5","1","4","2","1") = "5"
    & skf21("3","6","3","5","1","4","3","1") = "5"
    & skf21("3","6","3","5","1","4","4","1") = "5"
    & skf21("3","6","3","5","1","4","5","1") = "5"
    & skf21("3","6","3","5","1","4","6","1") = "5"
    & skf21("3","6","3","5","1","4","7","1") = "6"
    & skf21("3","6","3","5","1","5","1","1") = "5"
    & skf21("3","6","3","5","1","5","2","1") = "5"
    & skf21("3","6","3","5","1","5","3","1") = "5"
    & skf21("3","6","3","5","1","5","4","1") = "5"
    & skf21("3","6","3","5","1","5","5","1") = "5"
    & skf21("3","6","3","5","1","5","6","1") = "5"
    & skf21("3","6","3","5","1","5","7","1") = "6"
    & skf21("3","6","3","5","1","6","1","1") = "5"
    & skf21("3","6","3","5","1","6","2","1") = "5"
    & skf21("3","6","3","5","1","6","3","1") = "5"
    & skf21("3","6","3","5","1","6","4","1") = "5"
    & skf21("3","6","3","5","1","6","5","1") = "5"
    & skf21("3","6","3","5","1","6","6","1") = "5"
    & skf21("3","6","3","5","1","6","7","1") = "6"
    & skf21("3","6","3","5","1","7","1","1") = "6"
    & skf21("3","6","3","5","1","7","2","1") = "6"
    & skf21("3","6","3","5","1","7","3","1") = "6"
    & skf21("3","6","3","5","1","7","4","1") = "6"
    & skf21("3","6","3","5","1","7","5","1") = "6"
    & skf21("3","6","3","5","1","7","6","1") = "6"
    & skf21("3","6","3","5","1","7","7","1") = "6"
    & skf21("3","6","3","5","2","1","1","1") = "5"
    & skf21("3","6","3","5","2","1","2","1") = "5"
    & skf21("3","6","3","5","2","1","3","1") = "5"
    & skf21("3","6","3","5","2","1","4","1") = "5"
    & skf21("3","6","3","5","2","1","5","1") = "5"
    & skf21("3","6","3","5","2","1","6","1") = "5"
    & skf21("3","6","3","5","2","1","7","1") = "6"
    & skf21("3","6","3","5","2","2","1","1") = "5"
    & skf21("3","6","3","5","2","2","2","1") = "5"
    & skf21("3","6","3","5","2","2","3","1") = "5"
    & skf21("3","6","3","5","2","2","4","1") = "5"
    & skf21("3","6","3","5","2","2","5","1") = "5"
    & skf21("3","6","3","5","2","2","6","1") = "5"
    & skf21("3","6","3","5","2","2","7","1") = "6"
    & skf21("3","6","3","5","2","3","1","1") = "5"
    & skf21("3","6","3","5","2","3","2","1") = "5"
    & skf21("3","6","3","5","2","3","3","1") = "5"
    & skf21("3","6","3","5","2","3","4","1") = "5"
    & skf21("3","6","3","5","2","3","5","1") = "5"
    & skf21("3","6","3","5","2","3","6","1") = "5"
    & skf21("3","6","3","5","2","3","7","1") = "6"
    & skf21("3","6","3","5","2","4","1","1") = "5"
    & skf21("3","6","3","5","2","4","2","1") = "5"
    & skf21("3","6","3","5","2","4","3","1") = "5"
    & skf21("3","6","3","5","2","4","4","1") = "5"
    & skf21("3","6","3","5","2","4","5","1") = "5"
    & skf21("3","6","3","5","2","4","6","1") = "5"
    & skf21("3","6","3","5","2","4","7","1") = "6"
    & skf21("3","6","3","5","2","5","1","1") = "5"
    & skf21("3","6","3","5","2","5","2","1") = "5"
    & skf21("3","6","3","5","2","5","3","1") = "5"
    & skf21("3","6","3","5","2","5","4","1") = "5"
    & skf21("3","6","3","5","2","5","5","1") = "5"
    & skf21("3","6","3","5","2","5","6","1") = "5"
    & skf21("3","6","3","5","2","5","7","1") = "6"
    & skf21("3","6","3","5","2","6","1","1") = "5"
    & skf21("3","6","3","5","2","6","2","1") = "5"
    & skf21("3","6","3","5","2","6","3","1") = "5"
    & skf21("3","6","3","5","2","6","4","1") = "5"
    & skf21("3","6","3","5","2","6","5","1") = "5"
    & skf21("3","6","3","5","2","6","6","1") = "5"
    & skf21("3","6","3","5","2","6","7","1") = "6"
    & skf21("3","6","3","5","2","7","1","1") = "6"
    & skf21("3","6","3","5","2","7","2","1") = "6"
    & skf21("3","6","3","5","2","7","3","1") = "6"
    & skf21("3","6","3","5","2","7","4","1") = "6"
    & skf21("3","6","3","5","2","7","5","1") = "6"
    & skf21("3","6","3","5","2","7","6","1") = "6"
    & skf21("3","6","3","5","2","7","7","1") = "6"
    & skf21("3","6","3","5","3","1","1","1") = "5"
    & skf21("3","6","3","5","3","1","2","1") = "5"
    & skf21("3","6","3","5","3","1","3","1") = "5"
    & skf21("3","6","3","5","3","1","4","1") = "5"
    & skf21("3","6","3","5","3","1","5","1") = "5"
    & skf21("3","6","3","5","3","1","6","1") = "5"
    & skf21("3","6","3","5","3","1","7","1") = "6"
    & skf21("3","6","3","5","3","2","1","1") = "5"
    & skf21("3","6","3","5","3","2","2","1") = "5"
    & skf21("3","6","3","5","3","2","3","1") = "5"
    & skf21("3","6","3","5","3","2","4","1") = "5"
    & skf21("3","6","3","5","3","2","5","1") = "5"
    & skf21("3","6","3","5","3","2","6","1") = "5"
    & skf21("3","6","3","5","3","2","7","1") = "6"
    & skf21("3","6","3","5","3","3","1","1") = "5"
    & skf21("3","6","3","5","3","3","2","1") = "5"
    & skf21("3","6","3","5","3","3","3","1") = "5"
    & skf21("3","6","3","5","3","3","4","1") = "5"
    & skf21("3","6","3","5","3","3","5","1") = "5"
    & skf21("3","6","3","5","3","3","6","1") = "5"
    & skf21("3","6","3","5","3","3","7","1") = "6"
    & skf21("3","6","3","5","3","4","1","1") = "5"
    & skf21("3","6","3","5","3","4","2","1") = "5"
    & skf21("3","6","3","5","3","4","3","1") = "5"
    & skf21("3","6","3","5","3","4","4","1") = "5"
    & skf21("3","6","3","5","3","4","5","1") = "5"
    & skf21("3","6","3","5","3","4","6","1") = "5"
    & skf21("3","6","3","5","3","4","7","1") = "6"
    & skf21("3","6","3","5","3","5","1","1") = "5"
    & skf21("3","6","3","5","3","5","2","1") = "5"
    & skf21("3","6","3","5","3","5","3","1") = "5"
    & skf21("3","6","3","5","3","5","4","1") = "5"
    & skf21("3","6","3","5","3","5","5","1") = "5"
    & skf21("3","6","3","5","3","5","6","1") = "5"
    & skf21("3","6","3","5","3","5","7","1") = "6"
    & skf21("3","6","3","5","3","6","1","1") = "5"
    & skf21("3","6","3","5","3","6","2","1") = "5"
    & skf21("3","6","3","5","3","6","3","1") = "5"
    & skf21("3","6","3","5","3","6","4","1") = "5"
    & skf21("3","6","3","5","3","6","5","1") = "5"
    & skf21("3","6","3","5","3","6","6","1") = "5"
    & skf21("3","6","3","5","3","6","7","1") = "6"
    & skf21("3","6","3","5","3","7","1","1") = "6"
    & skf21("3","6","3","5","3","7","2","1") = "6"
    & skf21("3","6","3","5","3","7","3","1") = "6"
    & skf21("3","6","3","5","3","7","4","1") = "6"
    & skf21("3","6","3","5","3","7","5","1") = "6"
    & skf21("3","6","3","5","3","7","6","1") = "6"
    & skf21("3","6","3","5","3","7","7","1") = "6"
    & skf21("3","6","3","5","4","1","1","1") = "5"
    & skf21("3","6","3","5","4","1","2","1") = "5"
    & skf21("3","6","3","5","4","1","3","1") = "5"
    & skf21("3","6","3","5","4","1","4","1") = "5"
    & skf21("3","6","3","5","4","1","5","1") = "5"
    & skf21("3","6","3","5","4","1","6","1") = "5"
    & skf21("3","6","3","5","4","1","7","1") = "6"
    & skf21("3","6","3","5","4","2","1","1") = "5"
    & skf21("3","6","3","5","4","2","2","1") = "5"
    & skf21("3","6","3","5","4","2","3","1") = "5"
    & skf21("3","6","3","5","4","2","4","1") = "5"
    & skf21("3","6","3","5","4","2","5","1") = "5"
    & skf21("3","6","3","5","4","2","6","1") = "5"
    & skf21("3","6","3","5","4","2","7","1") = "6"
    & skf21("3","6","3","5","4","3","1","1") = "5"
    & skf21("3","6","3","5","4","3","2","1") = "5"
    & skf21("3","6","3","5","4","3","3","1") = "5"
    & skf21("3","6","3","5","4","3","4","1") = "5"
    & skf21("3","6","3","5","4","3","5","1") = "5"
    & skf21("3","6","3","5","4","3","6","1") = "5"
    & skf21("3","6","3","5","4","3","7","1") = "6"
    & skf21("3","6","3","5","4","4","1","1") = "5"
    & skf21("3","6","3","5","4","4","2","1") = "5"
    & skf21("3","6","3","5","4","4","3","1") = "5"
    & skf21("3","6","3","5","4","4","4","1") = "5"
    & skf21("3","6","3","5","4","4","5","1") = "5"
    & skf21("3","6","3","5","4","4","6","1") = "5"
    & skf21("3","6","3","5","4","4","7","1") = "6"
    & skf21("3","6","3","5","4","5","1","1") = "5"
    & skf21("3","6","3","5","4","5","2","1") = "5"
    & skf21("3","6","3","5","4","5","3","1") = "5"
    & skf21("3","6","3","5","4","5","4","1") = "5"
    & skf21("3","6","3","5","4","5","5","1") = "5"
    & skf21("3","6","3","5","4","5","6","1") = "5"
    & skf21("3","6","3","5","4","5","7","1") = "6"
    & skf21("3","6","3","5","4","6","1","1") = "5"
    & skf21("3","6","3","5","4","6","2","1") = "5"
    & skf21("3","6","3","5","4","6","3","1") = "5"
    & skf21("3","6","3","5","4","6","4","1") = "5"
    & skf21("3","6","3","5","4","6","5","1") = "5"
    & skf21("3","6","3","5","4","6","6","1") = "5"
    & skf21("3","6","3","5","4","6","7","1") = "6"
    & skf21("3","6","3","5","4","7","1","1") = "6"
    & skf21("3","6","3","5","4","7","2","1") = "6"
    & skf21("3","6","3","5","4","7","3","1") = "6"
    & skf21("3","6","3","5","4","7","4","1") = "6"
    & skf21("3","6","3","5","4","7","5","1") = "6"
    & skf21("3","6","3","5","4","7","6","1") = "6"
    & skf21("3","6","3","5","4","7","7","1") = "6"
    & skf21("3","6","3","5","5","1","1","1") = "5"
    & skf21("3","6","3","5","5","1","2","1") = "5"
    & skf21("3","6","3","5","5","1","3","1") = "5"
    & skf21("3","6","3","5","5","1","4","1") = "5"
    & skf21("3","6","3","5","5","1","5","1") = "5"
    & skf21("3","6","3","5","5","1","6","1") = "5"
    & skf21("3","6","3","5","5","1","7","1") = "6"
    & skf21("3","6","3","5","5","2","1","1") = "5"
    & skf21("3","6","3","5","5","2","2","1") = "5"
    & skf21("3","6","3","5","5","2","3","1") = "5"
    & skf21("3","6","3","5","5","2","4","1") = "5"
    & skf21("3","6","3","5","5","2","5","1") = "5"
    & skf21("3","6","3","5","5","2","6","1") = "5"
    & skf21("3","6","3","5","5","2","7","1") = "6"
    & skf21("3","6","3","5","5","3","1","1") = "5"
    & skf21("3","6","3","5","5","3","2","1") = "5"
    & skf21("3","6","3","5","5","3","3","1") = "5"
    & skf21("3","6","3","5","5","3","4","1") = "5"
    & skf21("3","6","3","5","5","3","5","1") = "5"
    & skf21("3","6","3","5","5","3","6","1") = "5"
    & skf21("3","6","3","5","5","3","7","1") = "6"
    & skf21("3","6","3","5","5","4","1","1") = "5"
    & skf21("3","6","3","5","5","4","2","1") = "5"
    & skf21("3","6","3","5","5","4","3","1") = "5"
    & skf21("3","6","3","5","5","4","4","1") = "5"
    & skf21("3","6","3","5","5","4","5","1") = "5"
    & skf21("3","6","3","5","5","4","6","1") = "5"
    & skf21("3","6","3","5","5","4","7","1") = "6"
    & skf21("3","6","3","5","5","5","1","1") = "5"
    & skf21("3","6","3","5","5","5","2","1") = "5"
    & skf21("3","6","3","5","5","5","3","1") = "5"
    & skf21("3","6","3","5","5","5","4","1") = "5"
    & skf21("3","6","3","5","5","5","5","1") = "5"
    & skf21("3","6","3","5","5","5","6","1") = "5"
    & skf21("3","6","3","5","5","5","7","1") = "6"
    & skf21("3","6","3","5","5","6","1","1") = "5"
    & skf21("3","6","3","5","5","6","2","1") = "5"
    & skf21("3","6","3","5","5","6","3","1") = "5"
    & skf21("3","6","3","5","5","6","4","1") = "5"
    & skf21("3","6","3","5","5","6","5","1") = "5"
    & skf21("3","6","3","5","5","6","6","1") = "5"
    & skf21("3","6","3","5","5","6","7","1") = "6"
    & skf21("3","6","3","5","5","7","1","1") = "6"
    & skf21("3","6","3","5","5","7","2","1") = "6"
    & skf21("3","6","3","5","5","7","3","1") = "6"
    & skf21("3","6","3","5","5","7","4","1") = "6"
    & skf21("3","6","3","5","5","7","5","1") = "6"
    & skf21("3","6","3","5","5","7","6","1") = "6"
    & skf21("3","6","3","5","5","7","7","1") = "6"
    & skf21("3","6","3","5","6","1","1","1") = "5"
    & skf21("3","6","3","5","6","1","2","1") = "5"
    & skf21("3","6","3","5","6","1","3","1") = "5"
    & skf21("3","6","3","5","6","1","4","1") = "5"
    & skf21("3","6","3","5","6","1","5","1") = "5"
    & skf21("3","6","3","5","6","1","6","1") = "5"
    & skf21("3","6","3","5","6","1","7","1") = "6"
    & skf21("3","6","3","5","6","2","1","1") = "5"
    & skf21("3","6","3","5","6","2","2","1") = "5"
    & skf21("3","6","3","5","6","2","3","1") = "5"
    & skf21("3","6","3","5","6","2","4","1") = "5"
    & skf21("3","6","3","5","6","2","5","1") = "5"
    & skf21("3","6","3","5","6","2","6","1") = "5"
    & skf21("3","6","3","5","6","2","7","1") = "6"
    & skf21("3","6","3","5","6","3","1","1") = "5"
    & skf21("3","6","3","5","6","3","2","1") = "5"
    & skf21("3","6","3","5","6","3","3","1") = "5"
    & skf21("3","6","3","5","6","3","4","1") = "5"
    & skf21("3","6","3","5","6","3","5","1") = "5"
    & skf21("3","6","3","5","6","3","6","1") = "5"
    & skf21("3","6","3","5","6","3","7","1") = "6"
    & skf21("3","6","3","5","6","4","1","1") = "5"
    & skf21("3","6","3","5","6","4","2","1") = "5"
    & skf21("3","6","3","5","6","4","3","1") = "5"
    & skf21("3","6","3","5","6","4","4","1") = "5"
    & skf21("3","6","3","5","6","4","5","1") = "5"
    & skf21("3","6","3","5","6","4","6","1") = "5"
    & skf21("3","6","3","5","6","4","7","1") = "6"
    & skf21("3","6","3","5","6","5","1","1") = "5"
    & skf21("3","6","3","5","6","5","2","1") = "5"
    & skf21("3","6","3","5","6","5","3","1") = "5"
    & skf21("3","6","3","5","6","5","4","1") = "5"
    & skf21("3","6","3","5","6","5","5","1") = "5"
    & skf21("3","6","3","5","6","5","6","1") = "5"
    & skf21("3","6","3","5","6","5","7","1") = "6"
    & skf21("3","6","3","5","6","6","1","1") = "5"
    & skf21("3","6","3","5","6","6","2","1") = "5"
    & skf21("3","6","3","5","6","6","3","1") = "5"
    & skf21("3","6","3","5","6","6","4","1") = "5"
    & skf21("3","6","3","5","6","6","5","1") = "5"
    & skf21("3","6","3","5","6","6","6","1") = "5"
    & skf21("3","6","3","5","6","6","7","1") = "6"
    & skf21("3","6","3","5","6","7","1","1") = "6"
    & skf21("3","6","3","5","6","7","2","1") = "6"
    & skf21("3","6","3","5","6","7","3","1") = "6"
    & skf21("3","6","3","5","6","7","4","1") = "6"
    & skf21("3","6","3","5","6","7","5","1") = "6"
    & skf21("3","6","3","5","6","7","6","1") = "6"
    & skf21("3","6","3","5","6","7","7","1") = "6"
    & skf21("3","6","3","5","7","1","1","1") = "6"
    & skf21("3","6","3","5","7","1","2","1") = "6"
    & skf21("3","6","3","5","7","1","3","1") = "6"
    & skf21("3","6","3","5","7","1","4","1") = "6"
    & skf21("3","6","3","5","7","1","5","1") = "6"
    & skf21("3","6","3","5","7","1","6","1") = "6"
    & skf21("3","6","3","5","7","1","7","1") = "6"
    & skf21("3","6","3","5","7","2","1","1") = "6"
    & skf21("3","6","3","5","7","2","2","1") = "6"
    & skf21("3","6","3","5","7","2","3","1") = "6"
    & skf21("3","6","3","5","7","2","4","1") = "6"
    & skf21("3","6","3","5","7","2","5","1") = "6"
    & skf21("3","6","3","5","7","2","6","1") = "6"
    & skf21("3","6","3","5","7","2","7","1") = "6"
    & skf21("3","6","3","5","7","3","1","1") = "6"
    & skf21("3","6","3","5","7","3","2","1") = "6"
    & skf21("3","6","3","5","7","3","3","1") = "6"
    & skf21("3","6","3","5","7","3","4","1") = "6"
    & skf21("3","6","3","5","7","3","5","1") = "6"
    & skf21("3","6","3","5","7","3","6","1") = "6"
    & skf21("3","6","3","5","7","3","7","1") = "6"
    & skf21("3","6","3","5","7","4","1","1") = "6"
    & skf21("3","6","3","5","7","4","2","1") = "6"
    & skf21("3","6","3","5","7","4","3","1") = "6"
    & skf21("3","6","3","5","7","4","4","1") = "6"
    & skf21("3","6","3","5","7","4","5","1") = "6"
    & skf21("3","6","3","5","7","4","6","1") = "6"
    & skf21("3","6","3","5","7","4","7","1") = "6"
    & skf21("3","6","3","5","7","5","1","1") = "6"
    & skf21("3","6","3","5","7","5","2","1") = "6"
    & skf21("3","6","3","5","7","5","3","1") = "6"
    & skf21("3","6","3","5","7","5","4","1") = "6"
    & skf21("3","6","3","5","7","5","5","1") = "6"
    & skf21("3","6","3","5","7","5","6","1") = "6"
    & skf21("3","6","3","5","7","5","7","1") = "6"
    & skf21("3","6","3","5","7","6","1","1") = "6"
    & skf21("3","6","3","5","7","6","2","1") = "6"
    & skf21("3","6","3","5","7","6","3","1") = "6"
    & skf21("3","6","3","5","7","6","4","1") = "6"
    & skf21("3","6","3","5","7","6","5","1") = "6"
    & skf21("3","6","3","5","7","6","6","1") = "6"
    & skf21("3","6","3","5","7","6","7","1") = "6"
    & skf21("3","6","3","5","7","7","1","1") = "6"
    & skf21("3","6","3","5","7","7","2","1") = "6"
    & skf21("3","6","3","5","7","7","3","1") = "6"
    & skf21("3","6","3","5","7","7","4","1") = "6"
    & skf21("3","6","3","5","7","7","5","1") = "6"
    & skf21("3","6","3","5","7","7","6","1") = "6"
    & skf21("3","6","3","5","7","7","7","1") = "6"
    & skf21("3","6","3","6","1","1","1","1") = "5"
    & skf21("3","6","3","6","1","1","2","1") = "5"
    & skf21("3","6","3","6","1","1","3","1") = "5"
    & skf21("3","6","3","6","1","1","4","1") = "5"
    & skf21("3","6","3","6","1","1","5","1") = "5"
    & skf21("3","6","3","6","1","1","6","1") = "5"
    & skf21("3","6","3","6","1","1","7","1") = "6"
    & skf21("3","6","3","6","1","2","1","1") = "5"
    & skf21("3","6","3","6","1","2","2","1") = "5"
    & skf21("3","6","3","6","1","2","3","1") = "5"
    & skf21("3","6","3","6","1","2","4","1") = "5"
    & skf21("3","6","3","6","1","2","5","1") = "5"
    & skf21("3","6","3","6","1","2","6","1") = "5"
    & skf21("3","6","3","6","1","2","7","1") = "6"
    & skf21("3","6","3","6","1","3","1","1") = "5"
    & skf21("3","6","3","6","1","3","2","1") = "5"
    & skf21("3","6","3","6","1","3","3","1") = "5"
    & skf21("3","6","3","6","1","3","4","1") = "5"
    & skf21("3","6","3","6","1","3","5","1") = "5"
    & skf21("3","6","3","6","1","3","6","1") = "5"
    & skf21("3","6","3","6","1","3","7","1") = "6"
    & skf21("3","6","3","6","1","4","1","1") = "5"
    & skf21("3","6","3","6","1","4","2","1") = "5"
    & skf21("3","6","3","6","1","4","3","1") = "5"
    & skf21("3","6","3","6","1","4","4","1") = "5"
    & skf21("3","6","3","6","1","4","5","1") = "5"
    & skf21("3","6","3","6","1","4","6","1") = "5"
    & skf21("3","6","3","6","1","4","7","1") = "6"
    & skf21("3","6","3","6","1","5","1","1") = "5"
    & skf21("3","6","3","6","1","5","2","1") = "5"
    & skf21("3","6","3","6","1","5","3","1") = "5"
    & skf21("3","6","3","6","1","5","4","1") = "5"
    & skf21("3","6","3","6","1","5","5","1") = "5"
    & skf21("3","6","3","6","1","5","6","1") = "5"
    & skf21("3","6","3","6","1","5","7","1") = "6"
    & skf21("3","6","3","6","1","6","1","1") = "5"
    & skf21("3","6","3","6","1","6","2","1") = "5"
    & skf21("3","6","3","6","1","6","3","1") = "5"
    & skf21("3","6","3","6","1","6","4","1") = "5"
    & skf21("3","6","3","6","1","6","5","1") = "5"
    & skf21("3","6","3","6","1","6","6","1") = "5"
    & skf21("3","6","3","6","1","6","7","1") = "6"
    & skf21("3","6","3","6","1","7","1","1") = "6"
    & skf21("3","6","3","6","1","7","2","1") = "6"
    & skf21("3","6","3","6","1","7","3","1") = "6"
    & skf21("3","6","3","6","1","7","4","1") = "6"
    & skf21("3","6","3","6","1","7","5","1") = "6"
    & skf21("3","6","3","6","1","7","6","1") = "6"
    & skf21("3","6","3","6","1","7","7","1") = "6"
    & skf21("3","6","3","6","2","1","1","1") = "5"
    & skf21("3","6","3","6","2","1","2","1") = "5"
    & skf21("3","6","3","6","2","1","3","1") = "5"
    & skf21("3","6","3","6","2","1","4","1") = "5"
    & skf21("3","6","3","6","2","1","5","1") = "5"
    & skf21("3","6","3","6","2","1","6","1") = "5"
    & skf21("3","6","3","6","2","1","7","1") = "6"
    & skf21("3","6","3","6","2","2","1","1") = "5"
    & skf21("3","6","3","6","2","2","2","1") = "5"
    & skf21("3","6","3","6","2","2","3","1") = "5"
    & skf21("3","6","3","6","2","2","4","1") = "5"
    & skf21("3","6","3","6","2","2","5","1") = "5"
    & skf21("3","6","3","6","2","2","6","1") = "5"
    & skf21("3","6","3","6","2","2","7","1") = "6"
    & skf21("3","6","3","6","2","3","1","1") = "5"
    & skf21("3","6","3","6","2","3","2","1") = "5"
    & skf21("3","6","3","6","2","3","3","1") = "5"
    & skf21("3","6","3","6","2","3","4","1") = "5"
    & skf21("3","6","3","6","2","3","5","1") = "5"
    & skf21("3","6","3","6","2","3","6","1") = "5"
    & skf21("3","6","3","6","2","3","7","1") = "6"
    & skf21("3","6","3","6","2","4","1","1") = "5"
    & skf21("3","6","3","6","2","4","2","1") = "5"
    & skf21("3","6","3","6","2","4","3","1") = "5"
    & skf21("3","6","3","6","2","4","4","1") = "5"
    & skf21("3","6","3","6","2","4","5","1") = "5"
    & skf21("3","6","3","6","2","4","6","1") = "5"
    & skf21("3","6","3","6","2","4","7","1") = "6"
    & skf21("3","6","3","6","2","5","1","1") = "5"
    & skf21("3","6","3","6","2","5","2","1") = "5"
    & skf21("3","6","3","6","2","5","3","1") = "5"
    & skf21("3","6","3","6","2","5","4","1") = "5"
    & skf21("3","6","3","6","2","5","5","1") = "5"
    & skf21("3","6","3","6","2","5","6","1") = "5"
    & skf21("3","6","3","6","2","5","7","1") = "6"
    & skf21("3","6","3","6","2","6","1","1") = "5"
    & skf21("3","6","3","6","2","6","2","1") = "5"
    & skf21("3","6","3","6","2","6","3","1") = "5"
    & skf21("3","6","3","6","2","6","4","1") = "5"
    & skf21("3","6","3","6","2","6","5","1") = "5"
    & skf21("3","6","3","6","2","6","6","1") = "5"
    & skf21("3","6","3","6","2","6","7","1") = "6"
    & skf21("3","6","3","6","2","7","1","1") = "6"
    & skf21("3","6","3","6","2","7","2","1") = "6"
    & skf21("3","6","3","6","2","7","3","1") = "6"
    & skf21("3","6","3","6","2","7","4","1") = "6"
    & skf21("3","6","3","6","2","7","5","1") = "6"
    & skf21("3","6","3","6","2","7","6","1") = "6"
    & skf21("3","6","3","6","2","7","7","1") = "6"
    & skf21("3","6","3","6","3","1","1","1") = "5"
    & skf21("3","6","3","6","3","1","2","1") = "5"
    & skf21("3","6","3","6","3","1","3","1") = "5"
    & skf21("3","6","3","6","3","1","4","1") = "5"
    & skf21("3","6","3","6","3","1","5","1") = "5"
    & skf21("3","6","3","6","3","1","6","1") = "5"
    & skf21("3","6","3","6","3","1","7","1") = "6"
    & skf21("3","6","3","6","3","2","1","1") = "5"
    & skf21("3","6","3","6","3","2","2","1") = "5"
    & skf21("3","6","3","6","3","2","3","1") = "5"
    & skf21("3","6","3","6","3","2","4","1") = "5"
    & skf21("3","6","3","6","3","2","5","1") = "5"
    & skf21("3","6","3","6","3","2","6","1") = "5"
    & skf21("3","6","3","6","3","2","7","1") = "6"
    & skf21("3","6","3","6","3","3","1","1") = "5"
    & skf21("3","6","3","6","3","3","2","1") = "5"
    & skf21("3","6","3","6","3","3","3","1") = "5"
    & skf21("3","6","3","6","3","3","4","1") = "5"
    & skf21("3","6","3","6","3","3","5","1") = "5"
    & skf21("3","6","3","6","3","3","6","1") = "5"
    & skf21("3","6","3","6","3","3","7","1") = "6"
    & skf21("3","6","3","6","3","4","1","1") = "5"
    & skf21("3","6","3","6","3","4","2","1") = "5"
    & skf21("3","6","3","6","3","4","3","1") = "5"
    & skf21("3","6","3","6","3","4","4","1") = "5"
    & skf21("3","6","3","6","3","4","5","1") = "5"
    & skf21("3","6","3","6","3","4","6","1") = "5"
    & skf21("3","6","3","6","3","4","7","1") = "6"
    & skf21("3","6","3","6","3","5","1","1") = "5"
    & skf21("3","6","3","6","3","5","2","1") = "5"
    & skf21("3","6","3","6","3","5","3","1") = "5"
    & skf21("3","6","3","6","3","5","4","1") = "5"
    & skf21("3","6","3","6","3","5","5","1") = "5"
    & skf21("3","6","3","6","3","5","6","1") = "5"
    & skf21("3","6","3","6","3","5","7","1") = "6"
    & skf21("3","6","3","6","3","6","1","1") = "5"
    & skf21("3","6","3","6","3","6","2","1") = "5"
    & skf21("3","6","3","6","3","6","3","1") = "5"
    & skf21("3","6","3","6","3","6","4","1") = "5"
    & skf21("3","6","3","6","3","6","5","1") = "5"
    & skf21("3","6","3","6","3","6","6","1") = "5"
    & skf21("3","6","3","6","3","6","7","1") = "6"
    & skf21("3","6","3","6","3","7","1","1") = "6"
    & skf21("3","6","3","6","3","7","2","1") = "6"
    & skf21("3","6","3","6","3","7","3","1") = "6"
    & skf21("3","6","3","6","3","7","4","1") = "6"
    & skf21("3","6","3","6","3","7","5","1") = "6"
    & skf21("3","6","3","6","3","7","6","1") = "6"
    & skf21("3","6","3","6","3","7","7","1") = "6"
    & skf21("3","6","3","6","4","1","1","1") = "5"
    & skf21("3","6","3","6","4","1","2","1") = "5"
    & skf21("3","6","3","6","4","1","3","1") = "5"
    & skf21("3","6","3","6","4","1","4","1") = "5"
    & skf21("3","6","3","6","4","1","5","1") = "5"
    & skf21("3","6","3","6","4","1","6","1") = "5"
    & skf21("3","6","3","6","4","1","7","1") = "6"
    & skf21("3","6","3","6","4","2","1","1") = "5"
    & skf21("3","6","3","6","4","2","2","1") = "5"
    & skf21("3","6","3","6","4","2","3","1") = "5"
    & skf21("3","6","3","6","4","2","4","1") = "5"
    & skf21("3","6","3","6","4","2","5","1") = "5"
    & skf21("3","6","3","6","4","2","6","1") = "5"
    & skf21("3","6","3","6","4","2","7","1") = "6"
    & skf21("3","6","3","6","4","3","1","1") = "5"
    & skf21("3","6","3","6","4","3","2","1") = "5"
    & skf21("3","6","3","6","4","3","3","1") = "5"
    & skf21("3","6","3","6","4","3","4","1") = "5"
    & skf21("3","6","3","6","4","3","5","1") = "5"
    & skf21("3","6","3","6","4","3","6","1") = "5"
    & skf21("3","6","3","6","4","3","7","1") = "6"
    & skf21("3","6","3","6","4","4","1","1") = "5"
    & skf21("3","6","3","6","4","4","2","1") = "5"
    & skf21("3","6","3","6","4","4","3","1") = "5"
    & skf21("3","6","3","6","4","4","4","1") = "5"
    & skf21("3","6","3","6","4","4","5","1") = "5"
    & skf21("3","6","3","6","4","4","6","1") = "5"
    & skf21("3","6","3","6","4","4","7","1") = "6"
    & skf21("3","6","3","6","4","5","1","1") = "5"
    & skf21("3","6","3","6","4","5","2","1") = "5"
    & skf21("3","6","3","6","4","5","3","1") = "5"
    & skf21("3","6","3","6","4","5","4","1") = "5"
    & skf21("3","6","3","6","4","5","5","1") = "5"
    & skf21("3","6","3","6","4","5","6","1") = "5"
    & skf21("3","6","3","6","4","5","7","1") = "6"
    & skf21("3","6","3","6","4","6","1","1") = "5"
    & skf21("3","6","3","6","4","6","2","1") = "5"
    & skf21("3","6","3","6","4","6","3","1") = "5"
    & skf21("3","6","3","6","4","6","4","1") = "5"
    & skf21("3","6","3","6","4","6","5","1") = "5"
    & skf21("3","6","3","6","4","6","6","1") = "5"
    & skf21("3","6","3","6","4","6","7","1") = "6"
    & skf21("3","6","3","6","4","7","1","1") = "6"
    & skf21("3","6","3","6","4","7","2","1") = "6"
    & skf21("3","6","3","6","4","7","3","1") = "6"
    & skf21("3","6","3","6","4","7","4","1") = "6"
    & skf21("3","6","3","6","4","7","5","1") = "6"
    & skf21("3","6","3","6","4","7","6","1") = "6"
    & skf21("3","6","3","6","4","7","7","1") = "6"
    & skf21("3","6","3","6","5","1","1","1") = "5"
    & skf21("3","6","3","6","5","1","2","1") = "5"
    & skf21("3","6","3","6","5","1","3","1") = "5"
    & skf21("3","6","3","6","5","1","4","1") = "5"
    & skf21("3","6","3","6","5","1","5","1") = "5"
    & skf21("3","6","3","6","5","1","6","1") = "5"
    & skf21("3","6","3","6","5","1","7","1") = "6"
    & skf21("3","6","3","6","5","2","1","1") = "5"
    & skf21("3","6","3","6","5","2","2","1") = "5"
    & skf21("3","6","3","6","5","2","3","1") = "5"
    & skf21("3","6","3","6","5","2","4","1") = "5"
    & skf21("3","6","3","6","5","2","5","1") = "5"
    & skf21("3","6","3","6","5","2","6","1") = "5"
    & skf21("3","6","3","6","5","2","7","1") = "6"
    & skf21("3","6","3","6","5","3","1","1") = "5"
    & skf21("3","6","3","6","5","3","2","1") = "5"
    & skf21("3","6","3","6","5","3","3","1") = "5"
    & skf21("3","6","3","6","5","3","4","1") = "5"
    & skf21("3","6","3","6","5","3","5","1") = "5"
    & skf21("3","6","3","6","5","3","6","1") = "5"
    & skf21("3","6","3","6","5","3","7","1") = "6"
    & skf21("3","6","3","6","5","4","1","1") = "5"
    & skf21("3","6","3","6","5","4","2","1") = "5"
    & skf21("3","6","3","6","5","4","3","1") = "5"
    & skf21("3","6","3","6","5","4","4","1") = "5"
    & skf21("3","6","3","6","5","4","5","1") = "5"
    & skf21("3","6","3","6","5","4","6","1") = "5"
    & skf21("3","6","3","6","5","4","7","1") = "6"
    & skf21("3","6","3","6","5","5","1","1") = "5"
    & skf21("3","6","3","6","5","5","2","1") = "5"
    & skf21("3","6","3","6","5","5","3","1") = "5"
    & skf21("3","6","3","6","5","5","4","1") = "5"
    & skf21("3","6","3","6","5","5","5","1") = "5"
    & skf21("3","6","3","6","5","5","6","1") = "5"
    & skf21("3","6","3","6","5","5","7","1") = "6"
    & skf21("3","6","3","6","5","6","1","1") = "5"
    & skf21("3","6","3","6","5","6","2","1") = "5"
    & skf21("3","6","3","6","5","6","3","1") = "5"
    & skf21("3","6","3","6","5","6","4","1") = "5"
    & skf21("3","6","3","6","5","6","5","1") = "5"
    & skf21("3","6","3","6","5","6","6","1") = "5"
    & skf21("3","6","3","6","5","6","7","1") = "6"
    & skf21("3","6","3","6","5","7","1","1") = "6"
    & skf21("3","6","3","6","5","7","2","1") = "6"
    & skf21("3","6","3","6","5","7","3","1") = "6"
    & skf21("3","6","3","6","5","7","4","1") = "6"
    & skf21("3","6","3","6","5","7","5","1") = "6"
    & skf21("3","6","3","6","5","7","6","1") = "6"
    & skf21("3","6","3","6","5","7","7","1") = "6"
    & skf21("3","6","3","6","6","1","1","1") = "5"
    & skf21("3","6","3","6","6","1","2","1") = "5"
    & skf21("3","6","3","6","6","1","3","1") = "5"
    & skf21("3","6","3","6","6","1","4","1") = "5"
    & skf21("3","6","3","6","6","1","5","1") = "5"
    & skf21("3","6","3","6","6","1","6","1") = "5"
    & skf21("3","6","3","6","6","1","7","1") = "6"
    & skf21("3","6","3","6","6","2","1","1") = "5"
    & skf21("3","6","3","6","6","2","2","1") = "5"
    & skf21("3","6","3","6","6","2","3","1") = "5"
    & skf21("3","6","3","6","6","2","4","1") = "5"
    & skf21("3","6","3","6","6","2","5","1") = "5"
    & skf21("3","6","3","6","6","2","6","1") = "5"
    & skf21("3","6","3","6","6","2","7","1") = "6"
    & skf21("3","6","3","6","6","3","1","1") = "5"
    & skf21("3","6","3","6","6","3","2","1") = "5"
    & skf21("3","6","3","6","6","3","3","1") = "5"
    & skf21("3","6","3","6","6","3","4","1") = "5"
    & skf21("3","6","3","6","6","3","5","1") = "5"
    & skf21("3","6","3","6","6","3","6","1") = "5"
    & skf21("3","6","3","6","6","3","7","1") = "6"
    & skf21("3","6","3","6","6","4","1","1") = "5"
    & skf21("3","6","3","6","6","4","2","1") = "5"
    & skf21("3","6","3","6","6","4","3","1") = "5"
    & skf21("3","6","3","6","6","4","4","1") = "5"
    & skf21("3","6","3","6","6","4","5","1") = "5"
    & skf21("3","6","3","6","6","4","6","1") = "5"
    & skf21("3","6","3","6","6","4","7","1") = "6"
    & skf21("3","6","3","6","6","5","1","1") = "5"
    & skf21("3","6","3","6","6","5","2","1") = "5"
    & skf21("3","6","3","6","6","5","3","1") = "5"
    & skf21("3","6","3","6","6","5","4","1") = "5"
    & skf21("3","6","3","6","6","5","5","1") = "5"
    & skf21("3","6","3","6","6","5","6","1") = "5"
    & skf21("3","6","3","6","6","5","7","1") = "6"
    & skf21("3","6","3","6","6","6","1","1") = "5"
    & skf21("3","6","3","6","6","6","2","1") = "5"
    & skf21("3","6","3","6","6","6","3","1") = "5"
    & skf21("3","6","3","6","6","6","4","1") = "5"
    & skf21("3","6","3","6","6","6","5","1") = "5"
    & skf21("3","6","3","6","6","6","6","1") = "5"
    & skf21("3","6","3","6","6","6","7","1") = "6"
    & skf21("3","6","3","6","6","7","1","1") = "6"
    & skf21("3","6","3","6","6","7","2","1") = "6"
    & skf21("3","6","3","6","6","7","3","1") = "6"
    & skf21("3","6","3","6","6","7","4","1") = "6"
    & skf21("3","6","3","6","6","7","5","1") = "6"
    & skf21("3","6","3","6","6","7","6","1") = "6"
    & skf21("3","6","3","6","6","7","7","1") = "6"
    & skf21("3","6","3","6","7","1","1","1") = "6"
    & skf21("3","6","3","6","7","1","2","1") = "6"
    & skf21("3","6","3","6","7","1","3","1") = "6"
    & skf21("3","6","3","6","7","1","4","1") = "6"
    & skf21("3","6","3","6","7","1","5","1") = "6"
    & skf21("3","6","3","6","7","1","6","1") = "6"
    & skf21("3","6","3","6","7","1","7","1") = "6"
    & skf21("3","6","3","6","7","2","1","1") = "6"
    & skf21("3","6","3","6","7","2","2","1") = "6"
    & skf21("3","6","3","6","7","2","3","1") = "6"
    & skf21("3","6","3","6","7","2","4","1") = "6"
    & skf21("3","6","3","6","7","2","5","1") = "6"
    & skf21("3","6","3","6","7","2","6","1") = "6"
    & skf21("3","6","3","6","7","2","7","1") = "6"
    & skf21("3","6","3","6","7","3","1","1") = "6"
    & skf21("3","6","3","6","7","3","2","1") = "6"
    & skf21("3","6","3","6","7","3","3","1") = "6"
    & skf21("3","6","3","6","7","3","4","1") = "6"
    & skf21("3","6","3","6","7","3","5","1") = "6"
    & skf21("3","6","3","6","7","3","6","1") = "6"
    & skf21("3","6","3","6","7","3","7","1") = "6"
    & skf21("3","6","3","6","7","4","1","1") = "6"
    & skf21("3","6","3","6","7","4","2","1") = "6"
    & skf21("3","6","3","6","7","4","3","1") = "6"
    & skf21("3","6","3","6","7","4","4","1") = "6"
    & skf21("3","6","3","6","7","4","5","1") = "6"
    & skf21("3","6","3","6","7","4","6","1") = "6"
    & skf21("3","6","3","6","7","4","7","1") = "6"
    & skf21("3","6","3","6","7","5","1","1") = "6"
    & skf21("3","6","3","6","7","5","2","1") = "6"
    & skf21("3","6","3","6","7","5","3","1") = "6"
    & skf21("3","6","3","6","7","5","4","1") = "6"
    & skf21("3","6","3","6","7","5","5","1") = "6"
    & skf21("3","6","3","6","7","5","6","1") = "6"
    & skf21("3","6","3","6","7","5","7","1") = "6"
    & skf21("3","6","3","6","7","6","1","1") = "6"
    & skf21("3","6","3","6","7","6","2","1") = "6"
    & skf21("3","6","3","6","7","6","3","1") = "6"
    & skf21("3","6","3","6","7","6","4","1") = "6"
    & skf21("3","6","3","6","7","6","5","1") = "6"
    & skf21("3","6","3","6","7","6","6","1") = "6"
    & skf21("3","6","3","6","7","6","7","1") = "6"
    & skf21("3","6","3","6","7","7","1","1") = "6"
    & skf21("3","6","3","6","7","7","2","1") = "6"
    & skf21("3","6","3","6","7","7","3","1") = "6"
    & skf21("3","6","3","6","7","7","4","1") = "6"
    & skf21("3","6","3","6","7","7","5","1") = "6"
    & skf21("3","6","3","6","7","7","6","1") = "6"
    & skf21("3","6","3","6","7","7","7","1") = "6"
    & skf21("3","6","3","7","1","1","1","1") = "6"
    & skf21("3","6","3","7","1","1","2","1") = "6"
    & skf21("3","6","3","7","1","1","3","1") = "6"
    & skf21("3","6","3","7","1","1","4","1") = "6"
    & skf21("3","6","3","7","1","1","5","1") = "6"
    & skf21("3","6","3","7","1","1","6","1") = "6"
    & skf21("3","6","3","7","1","1","7","1") = "6"
    & skf21("3","6","3","7","1","2","1","1") = "6"
    & skf21("3","6","3","7","1","2","2","1") = "6"
    & skf21("3","6","3","7","1","2","3","1") = "6"
    & skf21("3","6","3","7","1","2","4","1") = "6"
    & skf21("3","6","3","7","1","2","5","1") = "6"
    & skf21("3","6","3","7","1","2","6","1") = "6"
    & skf21("3","6","3","7","1","2","7","1") = "6"
    & skf21("3","6","3","7","1","3","1","1") = "6"
    & skf21("3","6","3","7","1","3","2","1") = "6"
    & skf21("3","6","3","7","1","3","3","1") = "6"
    & skf21("3","6","3","7","1","3","4","1") = "6"
    & skf21("3","6","3","7","1","3","5","1") = "6"
    & skf21("3","6","3","7","1","3","6","1") = "6"
    & skf21("3","6","3","7","1","3","7","1") = "6"
    & skf21("3","6","3","7","1","4","1","1") = "6"
    & skf21("3","6","3","7","1","4","2","1") = "6"
    & skf21("3","6","3","7","1","4","3","1") = "6"
    & skf21("3","6","3","7","1","4","4","1") = "6"
    & skf21("3","6","3","7","1","4","5","1") = "6"
    & skf21("3","6","3","7","1","4","6","1") = "6"
    & skf21("3","6","3","7","1","4","7","1") = "6"
    & skf21("3","6","3","7","1","5","1","1") = "6"
    & skf21("3","6","3","7","1","5","2","1") = "6"
    & skf21("3","6","3","7","1","5","3","1") = "6"
    & skf21("3","6","3","7","1","5","4","1") = "6"
    & skf21("3","6","3","7","1","5","5","1") = "6"
    & skf21("3","6","3","7","1","5","6","1") = "6"
    & skf21("3","6","3","7","1","5","7","1") = "6"
    & skf21("3","6","3","7","1","6","1","1") = "6"
    & skf21("3","6","3","7","1","6","2","1") = "6"
    & skf21("3","6","3","7","1","6","3","1") = "6"
    & skf21("3","6","3","7","1","6","4","1") = "6"
    & skf21("3","6","3","7","1","6","5","1") = "6"
    & skf21("3","6","3","7","1","6","6","1") = "6"
    & skf21("3","6","3","7","1","6","7","1") = "6"
    & skf21("3","6","3","7","1","7","1","1") = "6"
    & skf21("3","6","3","7","1","7","2","1") = "6"
    & skf21("3","6","3","7","1","7","3","1") = "6"
    & skf21("3","6","3","7","1","7","4","1") = "6"
    & skf21("3","6","3","7","1","7","5","1") = "6"
    & skf21("3","6","3","7","1","7","6","1") = "6"
    & skf21("3","6","3","7","1","7","7","1") = "6"
    & skf21("3","6","3","7","2","1","1","1") = "6"
    & skf21("3","6","3","7","2","1","2","1") = "6"
    & skf21("3","6","3","7","2","1","3","1") = "6"
    & skf21("3","6","3","7","2","1","4","1") = "6"
    & skf21("3","6","3","7","2","1","5","1") = "6"
    & skf21("3","6","3","7","2","1","6","1") = "6"
    & skf21("3","6","3","7","2","1","7","1") = "6"
    & skf21("3","6","3","7","2","2","1","1") = "6"
    & skf21("3","6","3","7","2","2","2","1") = "6"
    & skf21("3","6","3","7","2","2","3","1") = "6"
    & skf21("3","6","3","7","2","2","4","1") = "6"
    & skf21("3","6","3","7","2","2","5","1") = "6"
    & skf21("3","6","3","7","2","2","6","1") = "6"
    & skf21("3","6","3","7","2","2","7","1") = "6"
    & skf21("3","6","3","7","2","3","1","1") = "6"
    & skf21("3","6","3","7","2","3","2","1") = "6"
    & skf21("3","6","3","7","2","3","3","1") = "6"
    & skf21("3","6","3","7","2","3","4","1") = "6"
    & skf21("3","6","3","7","2","3","5","1") = "6"
    & skf21("3","6","3","7","2","3","6","1") = "6"
    & skf21("3","6","3","7","2","3","7","1") = "6"
    & skf21("3","6","3","7","2","4","1","1") = "6"
    & skf21("3","6","3","7","2","4","2","1") = "6"
    & skf21("3","6","3","7","2","4","3","1") = "6"
    & skf21("3","6","3","7","2","4","4","1") = "6"
    & skf21("3","6","3","7","2","4","5","1") = "6"
    & skf21("3","6","3","7","2","4","6","1") = "6"
    & skf21("3","6","3","7","2","4","7","1") = "6"
    & skf21("3","6","3","7","2","5","1","1") = "6"
    & skf21("3","6","3","7","2","5","2","1") = "6"
    & skf21("3","6","3","7","2","5","3","1") = "6"
    & skf21("3","6","3","7","2","5","4","1") = "6"
    & skf21("3","6","3","7","2","5","5","1") = "6"
    & skf21("3","6","3","7","2","5","6","1") = "6"
    & skf21("3","6","3","7","2","5","7","1") = "6"
    & skf21("3","6","3","7","2","6","1","1") = "6"
    & skf21("3","6","3","7","2","6","2","1") = "6"
    & skf21("3","6","3","7","2","6","3","1") = "6"
    & skf21("3","6","3","7","2","6","4","1") = "6"
    & skf21("3","6","3","7","2","6","5","1") = "6"
    & skf21("3","6","3","7","2","6","6","1") = "6"
    & skf21("3","6","3","7","2","6","7","1") = "6"
    & skf21("3","6","3","7","2","7","1","1") = "6"
    & skf21("3","6","3","7","2","7","2","1") = "6"
    & skf21("3","6","3","7","2","7","3","1") = "6"
    & skf21("3","6","3","7","2","7","4","1") = "6"
    & skf21("3","6","3","7","2","7","5","1") = "6"
    & skf21("3","6","3","7","2","7","6","1") = "6"
    & skf21("3","6","3","7","2","7","7","1") = "6"
    & skf21("3","6","3","7","3","1","1","1") = "6"
    & skf21("3","6","3","7","3","1","2","1") = "6"
    & skf21("3","6","3","7","3","1","3","1") = "6"
    & skf21("3","6","3","7","3","1","4","1") = "6"
    & skf21("3","6","3","7","3","1","5","1") = "6"
    & skf21("3","6","3","7","3","1","6","1") = "6"
    & skf21("3","6","3","7","3","1","7","1") = "6"
    & skf21("3","6","3","7","3","2","1","1") = "6"
    & skf21("3","6","3","7","3","2","2","1") = "6"
    & skf21("3","6","3","7","3","2","3","1") = "6"
    & skf21("3","6","3","7","3","2","4","1") = "6"
    & skf21("3","6","3","7","3","2","5","1") = "6"
    & skf21("3","6","3","7","3","2","6","1") = "6"
    & skf21("3","6","3","7","3","2","7","1") = "6"
    & skf21("3","6","3","7","3","3","1","1") = "6"
    & skf21("3","6","3","7","3","3","2","1") = "6"
    & skf21("3","6","3","7","3","3","3","1") = "6"
    & skf21("3","6","3","7","3","3","4","1") = "6"
    & skf21("3","6","3","7","3","3","5","1") = "6"
    & skf21("3","6","3","7","3","3","6","1") = "6"
    & skf21("3","6","3","7","3","3","7","1") = "6"
    & skf21("3","6","3","7","3","4","1","1") = "6"
    & skf21("3","6","3","7","3","4","2","1") = "6"
    & skf21("3","6","3","7","3","4","3","1") = "6"
    & skf21("3","6","3","7","3","4","4","1") = "6"
    & skf21("3","6","3","7","3","4","5","1") = "6"
    & skf21("3","6","3","7","3","4","6","1") = "6"
    & skf21("3","6","3","7","3","4","7","1") = "6"
    & skf21("3","6","3","7","3","5","1","1") = "6"
    & skf21("3","6","3","7","3","5","2","1") = "6"
    & skf21("3","6","3","7","3","5","3","1") = "6"
    & skf21("3","6","3","7","3","5","4","1") = "6"
    & skf21("3","6","3","7","3","5","5","1") = "6"
    & skf21("3","6","3","7","3","5","6","1") = "6"
    & skf21("3","6","3","7","3","5","7","1") = "6"
    & skf21("3","6","3","7","3","6","1","1") = "6"
    & skf21("3","6","3","7","3","6","2","1") = "6"
    & skf21("3","6","3","7","3","6","3","1") = "6"
    & skf21("3","6","3","7","3","6","4","1") = "6"
    & skf21("3","6","3","7","3","6","5","1") = "6"
    & skf21("3","6","3","7","3","6","6","1") = "6"
    & skf21("3","6","3","7","3","6","7","1") = "6"
    & skf21("3","6","3","7","3","7","1","1") = "6"
    & skf21("3","6","3","7","3","7","2","1") = "6"
    & skf21("3","6","3","7","3","7","3","1") = "6"
    & skf21("3","6","3","7","3","7","4","1") = "6"
    & skf21("3","6","3","7","3","7","5","1") = "6"
    & skf21("3","6","3","7","3","7","6","1") = "6"
    & skf21("3","6","3","7","3","7","7","1") = "6"
    & skf21("3","6","3","7","4","1","1","1") = "6"
    & skf21("3","6","3","7","4","1","2","1") = "6"
    & skf21("3","6","3","7","4","1","3","1") = "6"
    & skf21("3","6","3","7","4","1","4","1") = "6"
    & skf21("3","6","3","7","4","1","5","1") = "6"
    & skf21("3","6","3","7","4","1","6","1") = "6"
    & skf21("3","6","3","7","4","1","7","1") = "6"
    & skf21("3","6","3","7","4","2","1","1") = "6"
    & skf21("3","6","3","7","4","2","2","1") = "6"
    & skf21("3","6","3","7","4","2","3","1") = "6"
    & skf21("3","6","3","7","4","2","4","1") = "6"
    & skf21("3","6","3","7","4","2","5","1") = "6"
    & skf21("3","6","3","7","4","2","6","1") = "6"
    & skf21("3","6","3","7","4","2","7","1") = "6"
    & skf21("3","6","3","7","4","3","1","1") = "6"
    & skf21("3","6","3","7","4","3","2","1") = "6"
    & skf21("3","6","3","7","4","3","3","1") = "6"
    & skf21("3","6","3","7","4","3","4","1") = "6"
    & skf21("3","6","3","7","4","3","5","1") = "6"
    & skf21("3","6","3","7","4","3","6","1") = "6"
    & skf21("3","6","3","7","4","3","7","1") = "6"
    & skf21("3","6","3","7","4","4","1","1") = "6"
    & skf21("3","6","3","7","4","4","2","1") = "6"
    & skf21("3","6","3","7","4","4","3","1") = "6"
    & skf21("3","6","3","7","4","4","4","1") = "6"
    & skf21("3","6","3","7","4","4","5","1") = "6"
    & skf21("3","6","3","7","4","4","6","1") = "6"
    & skf21("3","6","3","7","4","4","7","1") = "6"
    & skf21("3","6","3","7","4","5","1","1") = "6"
    & skf21("3","6","3","7","4","5","2","1") = "6"
    & skf21("3","6","3","7","4","5","3","1") = "6"
    & skf21("3","6","3","7","4","5","4","1") = "6"
    & skf21("3","6","3","7","4","5","5","1") = "6"
    & skf21("3","6","3","7","4","5","6","1") = "6"
    & skf21("3","6","3","7","4","5","7","1") = "6"
    & skf21("3","6","3","7","4","6","1","1") = "6"
    & skf21("3","6","3","7","4","6","2","1") = "6"
    & skf21("3","6","3","7","4","6","3","1") = "6"
    & skf21("3","6","3","7","4","6","4","1") = "6"
    & skf21("3","6","3","7","4","6","5","1") = "6"
    & skf21("3","6","3","7","4","6","6","1") = "6"
    & skf21("3","6","3","7","4","6","7","1") = "6"
    & skf21("3","6","3","7","4","7","1","1") = "6"
    & skf21("3","6","3","7","4","7","2","1") = "6"
    & skf21("3","6","3","7","4","7","3","1") = "6"
    & skf21("3","6","3","7","4","7","4","1") = "6"
    & skf21("3","6","3","7","4","7","5","1") = "6"
    & skf21("3","6","3","7","4","7","6","1") = "6"
    & skf21("3","6","3","7","4","7","7","1") = "6"
    & skf21("3","6","3","7","5","1","1","1") = "6"
    & skf21("3","6","3","7","5","1","2","1") = "6"
    & skf21("3","6","3","7","5","1","3","1") = "6"
    & skf21("3","6","3","7","5","1","4","1") = "6"
    & skf21("3","6","3","7","5","1","5","1") = "6"
    & skf21("3","6","3","7","5","1","6","1") = "6"
    & skf21("3","6","3","7","5","1","7","1") = "6"
    & skf21("3","6","3","7","5","2","1","1") = "6"
    & skf21("3","6","3","7","5","2","2","1") = "6"
    & skf21("3","6","3","7","5","2","3","1") = "6"
    & skf21("3","6","3","7","5","2","4","1") = "6"
    & skf21("3","6","3","7","5","2","5","1") = "6"
    & skf21("3","6","3","7","5","2","6","1") = "6"
    & skf21("3","6","3","7","5","2","7","1") = "6"
    & skf21("3","6","3","7","5","3","1","1") = "6"
    & skf21("3","6","3","7","5","3","2","1") = "6"
    & skf21("3","6","3","7","5","3","3","1") = "6"
    & skf21("3","6","3","7","5","3","4","1") = "6"
    & skf21("3","6","3","7","5","3","5","1") = "6"
    & skf21("3","6","3","7","5","3","6","1") = "6"
    & skf21("3","6","3","7","5","3","7","1") = "6"
    & skf21("3","6","3","7","5","4","1","1") = "6"
    & skf21("3","6","3","7","5","4","2","1") = "6"
    & skf21("3","6","3","7","5","4","3","1") = "6"
    & skf21("3","6","3","7","5","4","4","1") = "6"
    & skf21("3","6","3","7","5","4","5","1") = "6"
    & skf21("3","6","3","7","5","4","6","1") = "6"
    & skf21("3","6","3","7","5","4","7","1") = "6"
    & skf21("3","6","3","7","5","5","1","1") = "6"
    & skf21("3","6","3","7","5","5","2","1") = "6"
    & skf21("3","6","3","7","5","5","3","1") = "6"
    & skf21("3","6","3","7","5","5","4","1") = "6"
    & skf21("3","6","3","7","5","5","5","1") = "6"
    & skf21("3","6","3","7","5","5","6","1") = "6"
    & skf21("3","6","3","7","5","5","7","1") = "6"
    & skf21("3","6","3","7","5","6","1","1") = "6"
    & skf21("3","6","3","7","5","6","2","1") = "6"
    & skf21("3","6","3","7","5","6","3","1") = "6"
    & skf21("3","6","3","7","5","6","4","1") = "6"
    & skf21("3","6","3","7","5","6","5","1") = "6"
    & skf21("3","6","3","7","5","6","6","1") = "6"
    & skf21("3","6","3","7","5","6","7","1") = "6"
    & skf21("3","6","3","7","5","7","1","1") = "6"
    & skf21("3","6","3","7","5","7","2","1") = "6"
    & skf21("3","6","3","7","5","7","3","1") = "6"
    & skf21("3","6","3","7","5","7","4","1") = "6"
    & skf21("3","6","3","7","5","7","5","1") = "6"
    & skf21("3","6","3","7","5","7","6","1") = "6"
    & skf21("3","6","3","7","5","7","7","1") = "6"
    & skf21("3","6","3","7","6","1","1","1") = "6"
    & skf21("3","6","3","7","6","1","2","1") = "6"
    & skf21("3","6","3","7","6","1","3","1") = "6"
    & skf21("3","6","3","7","6","1","4","1") = "6"
    & skf21("3","6","3","7","6","1","5","1") = "6"
    & skf21("3","6","3","7","6","1","6","1") = "6"
    & skf21("3","6","3","7","6","1","7","1") = "6"
    & skf21("3","6","3","7","6","2","1","1") = "6"
    & skf21("3","6","3","7","6","2","2","1") = "6"
    & skf21("3","6","3","7","6","2","3","1") = "6"
    & skf21("3","6","3","7","6","2","4","1") = "6"
    & skf21("3","6","3","7","6","2","5","1") = "6"
    & skf21("3","6","3","7","6","2","6","1") = "6"
    & skf21("3","6","3","7","6","2","7","1") = "6"
    & skf21("3","6","3","7","6","3","1","1") = "6"
    & skf21("3","6","3","7","6","3","2","1") = "6"
    & skf21("3","6","3","7","6","3","3","1") = "6"
    & skf21("3","6","3","7","6","3","4","1") = "6"
    & skf21("3","6","3","7","6","3","5","1") = "6"
    & skf21("3","6","3","7","6","3","6","1") = "6"
    & skf21("3","6","3","7","6","3","7","1") = "6"
    & skf21("3","6","3","7","6","4","1","1") = "6"
    & skf21("3","6","3","7","6","4","2","1") = "6"
    & skf21("3","6","3","7","6","4","3","1") = "6"
    & skf21("3","6","3","7","6","4","4","1") = "6"
    & skf21("3","6","3","7","6","4","5","1") = "6"
    & skf21("3","6","3","7","6","4","6","1") = "6"
    & skf21("3","6","3","7","6","4","7","1") = "6"
    & skf21("3","6","3","7","6","5","1","1") = "6"
    & skf21("3","6","3","7","6","5","2","1") = "6"
    & skf21("3","6","3","7","6","5","3","1") = "6"
    & skf21("3","6","3","7","6","5","4","1") = "6"
    & skf21("3","6","3","7","6","5","5","1") = "6"
    & skf21("3","6","3","7","6","5","6","1") = "6"
    & skf21("3","6","3","7","6","5","7","1") = "6"
    & skf21("3","6","3","7","6","6","1","1") = "6"
    & skf21("3","6","3","7","6","6","2","1") = "6"
    & skf21("3","6","3","7","6","6","3","1") = "6"
    & skf21("3","6","3","7","6","6","4","1") = "6"
    & skf21("3","6","3","7","6","6","5","1") = "6"
    & skf21("3","6","3","7","6","6","6","1") = "6"
    & skf21("3","6","3","7","6","6","7","1") = "6"
    & skf21("3","6","3","7","6","7","1","1") = "6"
    & skf21("3","6","3","7","6","7","2","1") = "6"
    & skf21("3","6","3","7","6","7","3","1") = "6"
    & skf21("3","6","3","7","6","7","4","1") = "6"
    & skf21("3","6","3","7","6","7","5","1") = "6"
    & skf21("3","6","3","7","6","7","6","1") = "6"
    & skf21("3","6","3","7","6","7","7","1") = "6"
    & skf21("3","6","3","7","7","1","1","1") = "6"
    & skf21("3","6","3","7","7","1","2","1") = "6"
    & skf21("3","6","3","7","7","1","3","1") = "6"
    & skf21("3","6","3","7","7","1","4","1") = "6"
    & skf21("3","6","3","7","7","1","5","1") = "6"
    & skf21("3","6","3","7","7","1","6","1") = "6"
    & skf21("3","6","3","7","7","1","7","1") = "6"
    & skf21("3","6","3","7","7","2","1","1") = "6"
    & skf21("3","6","3","7","7","2","2","1") = "6"
    & skf21("3","6","3","7","7","2","3","1") = "6"
    & skf21("3","6","3","7","7","2","4","1") = "6"
    & skf21("3","6","3","7","7","2","5","1") = "6"
    & skf21("3","6","3","7","7","2","6","1") = "6"
    & skf21("3","6","3","7","7","2","7","1") = "6"
    & skf21("3","6","3","7","7","3","1","1") = "6"
    & skf21("3","6","3","7","7","3","2","1") = "6"
    & skf21("3","6","3","7","7","3","3","1") = "6"
    & skf21("3","6","3","7","7","3","4","1") = "6"
    & skf21("3","6","3","7","7","3","5","1") = "6"
    & skf21("3","6","3","7","7","3","6","1") = "6"
    & skf21("3","6","3","7","7","3","7","1") = "6"
    & skf21("3","6","3","7","7","4","1","1") = "6"
    & skf21("3","6","3","7","7","4","2","1") = "6"
    & skf21("3","6","3","7","7","4","3","1") = "6"
    & skf21("3","6","3","7","7","4","4","1") = "6"
    & skf21("3","6","3","7","7","4","5","1") = "6"
    & skf21("3","6","3","7","7","4","6","1") = "6"
    & skf21("3","6","3","7","7","4","7","1") = "6"
    & skf21("3","6","3","7","7","5","1","1") = "6"
    & skf21("3","6","3","7","7","5","2","1") = "6"
    & skf21("3","6","3","7","7","5","3","1") = "6"
    & skf21("3","6","3","7","7","5","4","1") = "6"
    & skf21("3","6","3","7","7","5","5","1") = "6"
    & skf21("3","6","3","7","7","5","6","1") = "6"
    & skf21("3","6","3","7","7","5","7","1") = "6"
    & skf21("3","6","3","7","7","6","1","1") = "6"
    & skf21("3","6","3","7","7","6","2","1") = "6"
    & skf21("3","6","3","7","7","6","3","1") = "6"
    & skf21("3","6","3","7","7","6","4","1") = "6"
    & skf21("3","6","3","7","7","6","5","1") = "6"
    & skf21("3","6","3","7","7","6","6","1") = "6"
    & skf21("3","6","3","7","7","6","7","1") = "6"
    & skf21("3","6","3","7","7","7","1","1") = "6"
    & skf21("3","6","3","7","7","7","2","1") = "6"
    & skf21("3","6","3","7","7","7","3","1") = "6"
    & skf21("3","6","3","7","7","7","4","1") = "6"
    & skf21("3","6","3","7","7","7","5","1") = "6"
    & skf21("3","6","3","7","7","7","6","1") = "6"
    & skf21("3","6","3","7","7","7","7","1") = "6"
    & skf21("3","6","4","1","1","1","1","1") = "5"
    & skf21("3","6","4","1","1","1","2","1") = "5"
    & skf21("3","6","4","1","1","1","3","1") = "5"
    & skf21("3","6","4","1","1","1","4","1") = "5"
    & skf21("3","6","4","1","1","1","5","1") = "5"
    & skf21("3","6","4","1","1","1","6","1") = "5"
    & skf21("3","6","4","1","1","1","7","1") = "6"
    & skf21("3","6","4","1","1","2","1","1") = "5"
    & skf21("3","6","4","1","1","2","2","1") = "5"
    & skf21("3","6","4","1","1","2","3","1") = "5"
    & skf21("3","6","4","1","1","2","4","1") = "5"
    & skf21("3","6","4","1","1","2","5","1") = "5"
    & skf21("3","6","4","1","1","2","6","1") = "5"
    & skf21("3","6","4","1","1","2","7","1") = "6"
    & skf21("3","6","4","1","1","3","1","1") = "5"
    & skf21("3","6","4","1","1","3","2","1") = "5"
    & skf21("3","6","4","1","1","3","3","1") = "5"
    & skf21("3","6","4","1","1","3","4","1") = "5"
    & skf21("3","6","4","1","1","3","5","1") = "5"
    & skf21("3","6","4","1","1","3","6","1") = "5"
    & skf21("3","6","4","1","1","3","7","1") = "6"
    & skf21("3","6","4","1","1","4","1","1") = "5"
    & skf21("3","6","4","1","1","4","2","1") = "5"
    & skf21("3","6","4","1","1","4","3","1") = "5"
    & skf21("3","6","4","1","1","4","4","1") = "5"
    & skf21("3","6","4","1","1","4","5","1") = "5"
    & skf21("3","6","4","1","1","4","6","1") = "5"
    & skf21("3","6","4","1","1","4","7","1") = "6"
    & skf21("3","6","4","1","1","5","1","1") = "5"
    & skf21("3","6","4","1","1","5","2","1") = "5"
    & skf21("3","6","4","1","1","5","3","1") = "5"
    & skf21("3","6","4","1","1","5","4","1") = "5"
    & skf21("3","6","4","1","1","5","5","1") = "5"
    & skf21("3","6","4","1","1","5","6","1") = "5"
    & skf21("3","6","4","1","1","5","7","1") = "6"
    & skf21("3","6","4","1","1","6","1","1") = "5"
    & skf21("3","6","4","1","1","6","2","1") = "5"
    & skf21("3","6","4","1","1","6","3","1") = "5"
    & skf21("3","6","4","1","1","6","4","1") = "5"
    & skf21("3","6","4","1","1","6","5","1") = "5"
    & skf21("3","6","4","1","1","6","6","1") = "5"
    & skf21("3","6","4","1","1","6","7","1") = "6"
    & skf21("3","6","4","1","1","7","1","1") = "6"
    & skf21("3","6","4","1","1","7","2","1") = "6"
    & skf21("3","6","4","1","1","7","3","1") = "6"
    & skf21("3","6","4","1","1","7","4","1") = "6"
    & skf21("3","6","4","1","1","7","5","1") = "6"
    & skf21("3","6","4","1","1","7","6","1") = "6"
    & skf21("3","6","4","1","1","7","7","1") = "6"
    & skf21("3","6","4","1","2","1","1","1") = "5"
    & skf21("3","6","4","1","2","1","2","1") = "5"
    & skf21("3","6","4","1","2","1","3","1") = "5"
    & skf21("3","6","4","1","2","1","4","1") = "5"
    & skf21("3","6","4","1","2","1","5","1") = "5"
    & skf21("3","6","4","1","2","1","6","1") = "5"
    & skf21("3","6","4","1","2","1","7","1") = "6"
    & skf21("3","6","4","1","2","2","1","1") = "5"
    & skf21("3","6","4","1","2","2","2","1") = "5"
    & skf21("3","6","4","1","2","2","3","1") = "5"
    & skf21("3","6","4","1","2","2","4","1") = "5"
    & skf21("3","6","4","1","2","2","5","1") = "5"
    & skf21("3","6","4","1","2","2","6","1") = "5"
    & skf21("3","6","4","1","2","2","7","1") = "6"
    & skf21("3","6","4","1","2","3","1","1") = "5"
    & skf21("3","6","4","1","2","3","2","1") = "5"
    & skf21("3","6","4","1","2","3","3","1") = "5"
    & skf21("3","6","4","1","2","3","4","1") = "5"
    & skf21("3","6","4","1","2","3","5","1") = "5"
    & skf21("3","6","4","1","2","3","6","1") = "5"
    & skf21("3","6","4","1","2","3","7","1") = "6"
    & skf21("3","6","4","1","2","4","1","1") = "5"
    & skf21("3","6","4","1","2","4","2","1") = "5"
    & skf21("3","6","4","1","2","4","3","1") = "5"
    & skf21("3","6","4","1","2","4","4","1") = "5"
    & skf21("3","6","4","1","2","4","5","1") = "5"
    & skf21("3","6","4","1","2","4","6","1") = "5"
    & skf21("3","6","4","1","2","4","7","1") = "6"
    & skf21("3","6","4","1","2","5","1","1") = "5"
    & skf21("3","6","4","1","2","5","2","1") = "5"
    & skf21("3","6","4","1","2","5","3","1") = "5"
    & skf21("3","6","4","1","2","5","4","1") = "5"
    & skf21("3","6","4","1","2","5","5","1") = "5"
    & skf21("3","6","4","1","2","5","6","1") = "5"
    & skf21("3","6","4","1","2","5","7","1") = "6"
    & skf21("3","6","4","1","2","6","1","1") = "5"
    & skf21("3","6","4","1","2","6","2","1") = "5"
    & skf21("3","6","4","1","2","6","3","1") = "5"
    & skf21("3","6","4","1","2","6","4","1") = "5"
    & skf21("3","6","4","1","2","6","5","1") = "5"
    & skf21("3","6","4","1","2","6","6","1") = "5"
    & skf21("3","6","4","1","2","6","7","1") = "6"
    & skf21("3","6","4","1","2","7","1","1") = "6"
    & skf21("3","6","4","1","2","7","2","1") = "6"
    & skf21("3","6","4","1","2","7","3","1") = "6"
    & skf21("3","6","4","1","2","7","4","1") = "6"
    & skf21("3","6","4","1","2","7","5","1") = "6"
    & skf21("3","6","4","1","2","7","6","1") = "6"
    & skf21("3","6","4","1","2","7","7","1") = "6"
    & skf21("3","6","4","1","3","1","1","1") = "5"
    & skf21("3","6","4","1","3","1","2","1") = "5"
    & skf21("3","6","4","1","3","1","3","1") = "5"
    & skf21("3","6","4","1","3","1","4","1") = "5"
    & skf21("3","6","4","1","3","1","5","1") = "5"
    & skf21("3","6","4","1","3","1","6","1") = "5"
    & skf21("3","6","4","1","3","1","7","1") = "6"
    & skf21("3","6","4","1","3","2","1","1") = "5"
    & skf21("3","6","4","1","3","2","2","1") = "5"
    & skf21("3","6","4","1","3","2","3","1") = "5"
    & skf21("3","6","4","1","3","2","4","1") = "5"
    & skf21("3","6","4","1","3","2","5","1") = "5"
    & skf21("3","6","4","1","3","2","6","1") = "5"
    & skf21("3","6","4","1","3","2","7","1") = "6"
    & skf21("3","6","4","1","3","3","1","1") = "5"
    & skf21("3","6","4","1","3","3","2","1") = "5"
    & skf21("3","6","4","1","3","3","3","1") = "5"
    & skf21("3","6","4","1","3","3","4","1") = "5"
    & skf21("3","6","4","1","3","3","5","1") = "5"
    & skf21("3","6","4","1","3","3","6","1") = "5"
    & skf21("3","6","4","1","3","3","7","1") = "6"
    & skf21("3","6","4","1","3","4","1","1") = "5"
    & skf21("3","6","4","1","3","4","2","1") = "5"
    & skf21("3","6","4","1","3","4","3","1") = "5"
    & skf21("3","6","4","1","3","4","4","1") = "5"
    & skf21("3","6","4","1","3","4","5","1") = "5"
    & skf21("3","6","4","1","3","4","6","1") = "5"
    & skf21("3","6","4","1","3","4","7","1") = "6"
    & skf21("3","6","4","1","3","5","1","1") = "5"
    & skf21("3","6","4","1","3","5","2","1") = "5"
    & skf21("3","6","4","1","3","5","3","1") = "5"
    & skf21("3","6","4","1","3","5","4","1") = "5"
    & skf21("3","6","4","1","3","5","5","1") = "5"
    & skf21("3","6","4","1","3","5","6","1") = "5"
    & skf21("3","6","4","1","3","5","7","1") = "6"
    & skf21("3","6","4","1","3","6","1","1") = "5"
    & skf21("3","6","4","1","3","6","2","1") = "5"
    & skf21("3","6","4","1","3","6","3","1") = "5"
    & skf21("3","6","4","1","3","6","4","1") = "5"
    & skf21("3","6","4","1","3","6","5","1") = "5"
    & skf21("3","6","4","1","3","6","6","1") = "5"
    & skf21("3","6","4","1","3","6","7","1") = "6"
    & skf21("3","6","4","1","3","7","1","1") = "6"
    & skf21("3","6","4","1","3","7","2","1") = "6"
    & skf21("3","6","4","1","3","7","3","1") = "6"
    & skf21("3","6","4","1","3","7","4","1") = "6"
    & skf21("3","6","4","1","3","7","5","1") = "6"
    & skf21("3","6","4","1","3","7","6","1") = "6"
    & skf21("3","6","4","1","3","7","7","1") = "6"
    & skf21("3","6","4","1","4","1","1","1") = "5"
    & skf21("3","6","4","1","4","1","2","1") = "5"
    & skf21("3","6","4","1","4","1","3","1") = "5"
    & skf21("3","6","4","1","4","1","4","1") = "5"
    & skf21("3","6","4","1","4","1","5","1") = "5"
    & skf21("3","6","4","1","4","1","6","1") = "5"
    & skf21("3","6","4","1","4","1","7","1") = "6"
    & skf21("3","6","4","1","4","2","1","1") = "5"
    & skf21("3","6","4","1","4","2","2","1") = "5"
    & skf21("3","6","4","1","4","2","3","1") = "5"
    & skf21("3","6","4","1","4","2","4","1") = "5"
    & skf21("3","6","4","1","4","2","5","1") = "5"
    & skf21("3","6","4","1","4","2","6","1") = "5"
    & skf21("3","6","4","1","4","2","7","1") = "6"
    & skf21("3","6","4","1","4","3","1","1") = "5"
    & skf21("3","6","4","1","4","3","2","1") = "5"
    & skf21("3","6","4","1","4","3","3","1") = "5"
    & skf21("3","6","4","1","4","3","4","1") = "5"
    & skf21("3","6","4","1","4","3","5","1") = "5"
    & skf21("3","6","4","1","4","3","6","1") = "5"
    & skf21("3","6","4","1","4","3","7","1") = "6"
    & skf21("3","6","4","1","4","4","1","1") = "5"
    & skf21("3","6","4","1","4","4","2","1") = "5"
    & skf21("3","6","4","1","4","4","3","1") = "5"
    & skf21("3","6","4","1","4","4","4","1") = "5"
    & skf21("3","6","4","1","4","4","5","1") = "5"
    & skf21("3","6","4","1","4","4","6","1") = "5"
    & skf21("3","6","4","1","4","4","7","1") = "6"
    & skf21("3","6","4","1","4","5","1","1") = "5"
    & skf21("3","6","4","1","4","5","2","1") = "5"
    & skf21("3","6","4","1","4","5","3","1") = "5"
    & skf21("3","6","4","1","4","5","4","1") = "5"
    & skf21("3","6","4","1","4","5","5","1") = "5"
    & skf21("3","6","4","1","4","5","6","1") = "5"
    & skf21("3","6","4","1","4","5","7","1") = "6"
    & skf21("3","6","4","1","4","6","1","1") = "5"
    & skf21("3","6","4","1","4","6","2","1") = "5"
    & skf21("3","6","4","1","4","6","3","1") = "5"
    & skf21("3","6","4","1","4","6","4","1") = "5"
    & skf21("3","6","4","1","4","6","5","1") = "5"
    & skf21("3","6","4","1","4","6","6","1") = "5"
    & skf21("3","6","4","1","4","6","7","1") = "6"
    & skf21("3","6","4","1","4","7","1","1") = "6"
    & skf21("3","6","4","1","4","7","2","1") = "6"
    & skf21("3","6","4","1","4","7","3","1") = "6"
    & skf21("3","6","4","1","4","7","4","1") = "6"
    & skf21("3","6","4","1","4","7","5","1") = "6"
    & skf21("3","6","4","1","4","7","6","1") = "6"
    & skf21("3","6","4","1","4","7","7","1") = "6"
    & skf21("3","6","4","1","5","1","1","1") = "5"
    & skf21("3","6","4","1","5","1","2","1") = "5"
    & skf21("3","6","4","1","5","1","3","1") = "5"
    & skf21("3","6","4","1","5","1","4","1") = "5"
    & skf21("3","6","4","1","5","1","5","1") = "5"
    & skf21("3","6","4","1","5","1","6","1") = "5"
    & skf21("3","6","4","1","5","1","7","1") = "6"
    & skf21("3","6","4","1","5","2","1","1") = "5"
    & skf21("3","6","4","1","5","2","2","1") = "5"
    & skf21("3","6","4","1","5","2","3","1") = "5"
    & skf21("3","6","4","1","5","2","4","1") = "5"
    & skf21("3","6","4","1","5","2","5","1") = "5"
    & skf21("3","6","4","1","5","2","6","1") = "5"
    & skf21("3","6","4","1","5","2","7","1") = "6"
    & skf21("3","6","4","1","5","3","1","1") = "5"
    & skf21("3","6","4","1","5","3","2","1") = "5"
    & skf21("3","6","4","1","5","3","3","1") = "5"
    & skf21("3","6","4","1","5","3","4","1") = "5"
    & skf21("3","6","4","1","5","3","5","1") = "5"
    & skf21("3","6","4","1","5","3","6","1") = "5"
    & skf21("3","6","4","1","5","3","7","1") = "6"
    & skf21("3","6","4","1","5","4","1","1") = "5"
    & skf21("3","6","4","1","5","4","2","1") = "5"
    & skf21("3","6","4","1","5","4","3","1") = "5"
    & skf21("3","6","4","1","5","4","4","1") = "5"
    & skf21("3","6","4","1","5","4","5","1") = "5"
    & skf21("3","6","4","1","5","4","6","1") = "5"
    & skf21("3","6","4","1","5","4","7","1") = "6"
    & skf21("3","6","4","1","5","5","1","1") = "5"
    & skf21("3","6","4","1","5","5","2","1") = "5"
    & skf21("3","6","4","1","5","5","3","1") = "5"
    & skf21("3","6","4","1","5","5","4","1") = "5"
    & skf21("3","6","4","1","5","5","5","1") = "5"
    & skf21("3","6","4","1","5","5","6","1") = "5"
    & skf21("3","6","4","1","5","5","7","1") = "6"
    & skf21("3","6","4","1","5","6","1","1") = "5"
    & skf21("3","6","4","1","5","6","2","1") = "5"
    & skf21("3","6","4","1","5","6","3","1") = "5"
    & skf21("3","6","4","1","5","6","4","1") = "5"
    & skf21("3","6","4","1","5","6","5","1") = "5"
    & skf21("3","6","4","1","5","6","6","1") = "5"
    & skf21("3","6","4","1","5","6","7","1") = "6"
    & skf21("3","6","4","1","5","7","1","1") = "6"
    & skf21("3","6","4","1","5","7","2","1") = "6"
    & skf21("3","6","4","1","5","7","3","1") = "6"
    & skf21("3","6","4","1","5","7","4","1") = "6"
    & skf21("3","6","4","1","5","7","5","1") = "6"
    & skf21("3","6","4","1","5","7","6","1") = "6"
    & skf21("3","6","4","1","5","7","7","1") = "6"
    & skf21("3","6","4","1","6","1","1","1") = "5"
    & skf21("3","6","4","1","6","1","2","1") = "5"
    & skf21("3","6","4","1","6","1","3","1") = "5"
    & skf21("3","6","4","1","6","1","4","1") = "5"
    & skf21("3","6","4","1","6","1","5","1") = "5"
    & skf21("3","6","4","1","6","1","6","1") = "5"
    & skf21("3","6","4","1","6","1","7","1") = "6"
    & skf21("3","6","4","1","6","2","1","1") = "5"
    & skf21("3","6","4","1","6","2","2","1") = "5"
    & skf21("3","6","4","1","6","2","3","1") = "5"
    & skf21("3","6","4","1","6","2","4","1") = "5"
    & skf21("3","6","4","1","6","2","5","1") = "5"
    & skf21("3","6","4","1","6","2","6","1") = "5"
    & skf21("3","6","4","1","6","2","7","1") = "6"
    & skf21("3","6","4","1","6","3","1","1") = "5"
    & skf21("3","6","4","1","6","3","2","1") = "5"
    & skf21("3","6","4","1","6","3","3","1") = "5"
    & skf21("3","6","4","1","6","3","4","1") = "5"
    & skf21("3","6","4","1","6","3","5","1") = "5"
    & skf21("3","6","4","1","6","3","6","1") = "5"
    & skf21("3","6","4","1","6","3","7","1") = "6"
    & skf21("3","6","4","1","6","4","1","1") = "5"
    & skf21("3","6","4","1","6","4","2","1") = "5"
    & skf21("3","6","4","1","6","4","3","1") = "5"
    & skf21("3","6","4","1","6","4","4","1") = "5"
    & skf21("3","6","4","1","6","4","5","1") = "5"
    & skf21("3","6","4","1","6","4","6","1") = "5"
    & skf21("3","6","4","1","6","4","7","1") = "6"
    & skf21("3","6","4","1","6","5","1","1") = "5"
    & skf21("3","6","4","1","6","5","2","1") = "5"
    & skf21("3","6","4","1","6","5","3","1") = "5"
    & skf21("3","6","4","1","6","5","4","1") = "5"
    & skf21("3","6","4","1","6","5","5","1") = "5"
    & skf21("3","6","4","1","6","5","6","1") = "5"
    & skf21("3","6","4","1","6","5","7","1") = "6"
    & skf21("3","6","4","1","6","6","1","1") = "5"
    & skf21("3","6","4","1","6","6","2","1") = "5"
    & skf21("3","6","4","1","6","6","3","1") = "5"
    & skf21("3","6","4","1","6","6","4","1") = "5"
    & skf21("3","6","4","1","6","6","5","1") = "5"
    & skf21("3","6","4","1","6","6","6","1") = "5"
    & skf21("3","6","4","1","6","6","7","1") = "6"
    & skf21("3","6","4","1","6","7","1","1") = "6"
    & skf21("3","6","4","1","6","7","2","1") = "6"
    & skf21("3","6","4","1","6","7","3","1") = "6"
    & skf21("3","6","4","1","6","7","4","1") = "6"
    & skf21("3","6","4","1","6","7","5","1") = "6"
    & skf21("3","6","4","1","6","7","6","1") = "6"
    & skf21("3","6","4","1","6","7","7","1") = "6"
    & skf21("3","6","4","1","7","1","1","1") = "6"
    & skf21("3","6","4","1","7","1","2","1") = "6"
    & skf21("3","6","4","1","7","1","3","1") = "6"
    & skf21("3","6","4","1","7","1","4","1") = "6"
    & skf21("3","6","4","1","7","1","5","1") = "6"
    & skf21("3","6","4","1","7","1","6","1") = "6"
    & skf21("3","6","4","1","7","1","7","1") = "6"
    & skf21("3","6","4","1","7","2","1","1") = "6"
    & skf21("3","6","4","1","7","2","2","1") = "6"
    & skf21("3","6","4","1","7","2","3","1") = "6"
    & skf21("3","6","4","1","7","2","4","1") = "6"
    & skf21("3","6","4","1","7","2","5","1") = "6"
    & skf21("3","6","4","1","7","2","6","1") = "6"
    & skf21("3","6","4","1","7","2","7","1") = "6"
    & skf21("3","6","4","1","7","3","1","1") = "6"
    & skf21("3","6","4","1","7","3","2","1") = "6"
    & skf21("3","6","4","1","7","3","3","1") = "6"
    & skf21("3","6","4","1","7","3","4","1") = "6"
    & skf21("3","6","4","1","7","3","5","1") = "6"
    & skf21("3","6","4","1","7","3","6","1") = "6"
    & skf21("3","6","4","1","7","3","7","1") = "6"
    & skf21("3","6","4","1","7","4","1","1") = "6"
    & skf21("3","6","4","1","7","4","2","1") = "6"
    & skf21("3","6","4","1","7","4","3","1") = "6"
    & skf21("3","6","4","1","7","4","4","1") = "6"
    & skf21("3","6","4","1","7","4","5","1") = "6"
    & skf21("3","6","4","1","7","4","6","1") = "6"
    & skf21("3","6","4","1","7","4","7","1") = "6"
    & skf21("3","6","4","1","7","5","1","1") = "6"
    & skf21("3","6","4","1","7","5","2","1") = "6"
    & skf21("3","6","4","1","7","5","3","1") = "6"
    & skf21("3","6","4","1","7","5","4","1") = "6"
    & skf21("3","6","4","1","7","5","5","1") = "6"
    & skf21("3","6","4","1","7","5","6","1") = "6"
    & skf21("3","6","4","1","7","5","7","1") = "6"
    & skf21("3","6","4","1","7","6","1","1") = "6"
    & skf21("3","6","4","1","7","6","2","1") = "6"
    & skf21("3","6","4","1","7","6","3","1") = "6"
    & skf21("3","6","4","1","7","6","4","1") = "6"
    & skf21("3","6","4","1","7","6","5","1") = "6"
    & skf21("3","6","4","1","7","6","6","1") = "6"
    & skf21("3","6","4","1","7","6","7","1") = "6"
    & skf21("3","6","4","1","7","7","1","1") = "6"
    & skf21("3","6","4","1","7","7","2","1") = "6"
    & skf21("3","6","4","1","7","7","3","1") = "6"
    & skf21("3","6","4","1","7","7","4","1") = "6"
    & skf21("3","6","4","1","7","7","5","1") = "6"
    & skf21("3","6","4","1","7","7","6","1") = "6"
    & skf21("3","6","4","1","7","7","7","1") = "6"
    & skf21("3","6","4","2","1","1","1","1") = "5"
    & skf21("3","6","4","2","1","1","2","1") = "5"
    & skf21("3","6","4","2","1","1","3","1") = "5"
    & skf21("3","6","4","2","1","1","4","1") = "5"
    & skf21("3","6","4","2","1","1","5","1") = "5"
    & skf21("3","6","4","2","1","1","6","1") = "5"
    & skf21("3","6","4","2","1","1","7","1") = "6"
    & skf21("3","6","4","2","1","2","1","1") = "5"
    & skf21("3","6","4","2","1","2","2","1") = "5"
    & skf21("3","6","4","2","1","2","3","1") = "5"
    & skf21("3","6","4","2","1","2","4","1") = "5"
    & skf21("3","6","4","2","1","2","5","1") = "5"
    & skf21("3","6","4","2","1","2","6","1") = "5"
    & skf21("3","6","4","2","1","2","7","1") = "6"
    & skf21("3","6","4","2","1","3","1","1") = "5"
    & skf21("3","6","4","2","1","3","2","1") = "5"
    & skf21("3","6","4","2","1","3","3","1") = "5"
    & skf21("3","6","4","2","1","3","4","1") = "5"
    & skf21("3","6","4","2","1","3","5","1") = "5"
    & skf21("3","6","4","2","1","3","6","1") = "5"
    & skf21("3","6","4","2","1","3","7","1") = "6"
    & skf21("3","6","4","2","1","4","1","1") = "5"
    & skf21("3","6","4","2","1","4","2","1") = "5"
    & skf21("3","6","4","2","1","4","3","1") = "5"
    & skf21("3","6","4","2","1","4","4","1") = "5"
    & skf21("3","6","4","2","1","4","5","1") = "5"
    & skf21("3","6","4","2","1","4","6","1") = "5"
    & skf21("3","6","4","2","1","4","7","1") = "6"
    & skf21("3","6","4","2","1","5","1","1") = "5"
    & skf21("3","6","4","2","1","5","2","1") = "5"
    & skf21("3","6","4","2","1","5","3","1") = "5"
    & skf21("3","6","4","2","1","5","4","1") = "5"
    & skf21("3","6","4","2","1","5","5","1") = "5"
    & skf21("3","6","4","2","1","5","6","1") = "5"
    & skf21("3","6","4","2","1","5","7","1") = "6"
    & skf21("3","6","4","2","1","6","1","1") = "5"
    & skf21("3","6","4","2","1","6","2","1") = "5"
    & skf21("3","6","4","2","1","6","3","1") = "5"
    & skf21("3","6","4","2","1","6","4","1") = "5"
    & skf21("3","6","4","2","1","6","5","1") = "5"
    & skf21("3","6","4","2","1","6","6","1") = "5"
    & skf21("3","6","4","2","1","6","7","1") = "6"
    & skf21("3","6","4","2","1","7","1","1") = "6"
    & skf21("3","6","4","2","1","7","2","1") = "6"
    & skf21("3","6","4","2","1","7","3","1") = "6"
    & skf21("3","6","4","2","1","7","4","1") = "6"
    & skf21("3","6","4","2","1","7","5","1") = "6"
    & skf21("3","6","4","2","1","7","6","1") = "6"
    & skf21("3","6","4","2","1","7","7","1") = "6"
    & skf21("3","6","4","2","2","1","1","1") = "5"
    & skf21("3","6","4","2","2","1","2","1") = "5"
    & skf21("3","6","4","2","2","1","3","1") = "5"
    & skf21("3","6","4","2","2","1","4","1") = "5"
    & skf21("3","6","4","2","2","1","5","1") = "5"
    & skf21("3","6","4","2","2","1","6","1") = "5"
    & skf21("3","6","4","2","2","1","7","1") = "6"
    & skf21("3","6","4","2","2","2","1","1") = "5"
    & skf21("3","6","4","2","2","2","2","1") = "5"
    & skf21("3","6","4","2","2","2","3","1") = "5"
    & skf21("3","6","4","2","2","2","4","1") = "5"
    & skf21("3","6","4","2","2","2","5","1") = "5"
    & skf21("3","6","4","2","2","2","6","1") = "5"
    & skf21("3","6","4","2","2","2","7","1") = "6"
    & skf21("3","6","4","2","2","3","1","1") = "5"
    & skf21("3","6","4","2","2","3","2","1") = "5"
    & skf21("3","6","4","2","2","3","3","1") = "5"
    & skf21("3","6","4","2","2","3","4","1") = "5"
    & skf21("3","6","4","2","2","3","5","1") = "5"
    & skf21("3","6","4","2","2","3","6","1") = "5"
    & skf21("3","6","4","2","2","3","7","1") = "6"
    & skf21("3","6","4","2","2","4","1","1") = "5"
    & skf21("3","6","4","2","2","4","2","1") = "5"
    & skf21("3","6","4","2","2","4","3","1") = "5"
    & skf21("3","6","4","2","2","4","4","1") = "5"
    & skf21("3","6","4","2","2","4","5","1") = "5"
    & skf21("3","6","4","2","2","4","6","1") = "5"
    & skf21("3","6","4","2","2","4","7","1") = "6"
    & skf21("3","6","4","2","2","5","1","1") = "5"
    & skf21("3","6","4","2","2","5","2","1") = "5"
    & skf21("3","6","4","2","2","5","3","1") = "5"
    & skf21("3","6","4","2","2","5","4","1") = "5"
    & skf21("3","6","4","2","2","5","5","1") = "5"
    & skf21("3","6","4","2","2","5","6","1") = "5"
    & skf21("3","6","4","2","2","5","7","1") = "6"
    & skf21("3","6","4","2","2","6","1","1") = "5"
    & skf21("3","6","4","2","2","6","2","1") = "5"
    & skf21("3","6","4","2","2","6","3","1") = "5"
    & skf21("3","6","4","2","2","6","4","1") = "5"
    & skf21("3","6","4","2","2","6","5","1") = "5"
    & skf21("3","6","4","2","2","6","6","1") = "5"
    & skf21("3","6","4","2","2","6","7","1") = "6"
    & skf21("3","6","4","2","2","7","1","1") = "6"
    & skf21("3","6","4","2","2","7","2","1") = "6"
    & skf21("3","6","4","2","2","7","3","1") = "6"
    & skf21("3","6","4","2","2","7","4","1") = "6"
    & skf21("3","6","4","2","2","7","5","1") = "6"
    & skf21("3","6","4","2","2","7","6","1") = "6"
    & skf21("3","6","4","2","2","7","7","1") = "6"
    & skf21("3","6","4","2","3","1","1","1") = "5"
    & skf21("3","6","4","2","3","1","2","1") = "5"
    & skf21("3","6","4","2","3","1","3","1") = "5"
    & skf21("3","6","4","2","3","1","4","1") = "5"
    & skf21("3","6","4","2","3","1","5","1") = "5"
    & skf21("3","6","4","2","3","1","6","1") = "5"
    & skf21("3","6","4","2","3","1","7","1") = "6"
    & skf21("3","6","4","2","3","2","1","1") = "5"
    & skf21("3","6","4","2","3","2","2","1") = "5"
    & skf21("3","6","4","2","3","2","3","1") = "5"
    & skf21("3","6","4","2","3","2","4","1") = "5"
    & skf21("3","6","4","2","3","2","5","1") = "5"
    & skf21("3","6","4","2","3","2","6","1") = "5"
    & skf21("3","6","4","2","3","2","7","1") = "6"
    & skf21("3","6","4","2","3","3","1","1") = "5"
    & skf21("3","6","4","2","3","3","2","1") = "5"
    & skf21("3","6","4","2","3","3","3","1") = "5"
    & skf21("3","6","4","2","3","3","4","1") = "5"
    & skf21("3","6","4","2","3","3","5","1") = "5"
    & skf21("3","6","4","2","3","3","6","1") = "5"
    & skf21("3","6","4","2","3","3","7","1") = "6"
    & skf21("3","6","4","2","3","4","1","1") = "5"
    & skf21("3","6","4","2","3","4","2","1") = "5"
    & skf21("3","6","4","2","3","4","3","1") = "5"
    & skf21("3","6","4","2","3","4","4","1") = "5"
    & skf21("3","6","4","2","3","4","5","1") = "5"
    & skf21("3","6","4","2","3","4","6","1") = "5"
    & skf21("3","6","4","2","3","4","7","1") = "6"
    & skf21("3","6","4","2","3","5","1","1") = "5"
    & skf21("3","6","4","2","3","5","2","1") = "5"
    & skf21("3","6","4","2","3","5","3","1") = "5"
    & skf21("3","6","4","2","3","5","4","1") = "5"
    & skf21("3","6","4","2","3","5","5","1") = "5"
    & skf21("3","6","4","2","3","5","6","1") = "5"
    & skf21("3","6","4","2","3","5","7","1") = "6"
    & skf21("3","6","4","2","3","6","1","1") = "5"
    & skf21("3","6","4","2","3","6","2","1") = "5"
    & skf21("3","6","4","2","3","6","3","1") = "5"
    & skf21("3","6","4","2","3","6","4","1") = "5"
    & skf21("3","6","4","2","3","6","5","1") = "5"
    & skf21("3","6","4","2","3","6","6","1") = "5"
    & skf21("3","6","4","2","3","6","7","1") = "6"
    & skf21("3","6","4","2","3","7","1","1") = "6"
    & skf21("3","6","4","2","3","7","2","1") = "6"
    & skf21("3","6","4","2","3","7","3","1") = "6"
    & skf21("3","6","4","2","3","7","4","1") = "6"
    & skf21("3","6","4","2","3","7","5","1") = "6"
    & skf21("3","6","4","2","3","7","6","1") = "6"
    & skf21("3","6","4","2","3","7","7","1") = "6"
    & skf21("3","6","4","2","4","1","1","1") = "5"
    & skf21("3","6","4","2","4","1","2","1") = "5"
    & skf21("3","6","4","2","4","1","3","1") = "5"
    & skf21("3","6","4","2","4","1","4","1") = "5"
    & skf21("3","6","4","2","4","1","5","1") = "5"
    & skf21("3","6","4","2","4","1","6","1") = "5"
    & skf21("3","6","4","2","4","1","7","1") = "6"
    & skf21("3","6","4","2","4","2","1","1") = "5"
    & skf21("3","6","4","2","4","2","2","1") = "5"
    & skf21("3","6","4","2","4","2","3","1") = "5"
    & skf21("3","6","4","2","4","2","4","1") = "5"
    & skf21("3","6","4","2","4","2","5","1") = "5"
    & skf21("3","6","4","2","4","2","6","1") = "5"
    & skf21("3","6","4","2","4","2","7","1") = "6"
    & skf21("3","6","4","2","4","3","1","1") = "5"
    & skf21("3","6","4","2","4","3","2","1") = "5"
    & skf21("3","6","4","2","4","3","3","1") = "5"
    & skf21("3","6","4","2","4","3","4","1") = "5"
    & skf21("3","6","4","2","4","3","5","1") = "5"
    & skf21("3","6","4","2","4","3","6","1") = "5"
    & skf21("3","6","4","2","4","3","7","1") = "6"
    & skf21("3","6","4","2","4","4","1","1") = "5"
    & skf21("3","6","4","2","4","4","2","1") = "5"
    & skf21("3","6","4","2","4","4","3","1") = "5"
    & skf21("3","6","4","2","4","4","4","1") = "5"
    & skf21("3","6","4","2","4","4","5","1") = "5"
    & skf21("3","6","4","2","4","4","6","1") = "5"
    & skf21("3","6","4","2","4","4","7","1") = "6"
    & skf21("3","6","4","2","4","5","1","1") = "5"
    & skf21("3","6","4","2","4","5","2","1") = "5"
    & skf21("3","6","4","2","4","5","3","1") = "5"
    & skf21("3","6","4","2","4","5","4","1") = "5"
    & skf21("3","6","4","2","4","5","5","1") = "5"
    & skf21("3","6","4","2","4","5","6","1") = "5"
    & skf21("3","6","4","2","4","5","7","1") = "6"
    & skf21("3","6","4","2","4","6","1","1") = "5"
    & skf21("3","6","4","2","4","6","2","1") = "5"
    & skf21("3","6","4","2","4","6","3","1") = "5"
    & skf21("3","6","4","2","4","6","4","1") = "5"
    & skf21("3","6","4","2","4","6","5","1") = "5"
    & skf21("3","6","4","2","4","6","6","1") = "5"
    & skf21("3","6","4","2","4","6","7","1") = "6"
    & skf21("3","6","4","2","4","7","1","1") = "6"
    & skf21("3","6","4","2","4","7","2","1") = "6"
    & skf21("3","6","4","2","4","7","3","1") = "6"
    & skf21("3","6","4","2","4","7","4","1") = "6"
    & skf21("3","6","4","2","4","7","5","1") = "6"
    & skf21("3","6","4","2","4","7","6","1") = "6"
    & skf21("3","6","4","2","4","7","7","1") = "6"
    & skf21("3","6","4","2","5","1","1","1") = "5"
    & skf21("3","6","4","2","5","1","2","1") = "5"
    & skf21("3","6","4","2","5","1","3","1") = "5"
    & skf21("3","6","4","2","5","1","4","1") = "5"
    & skf21("3","6","4","2","5","1","5","1") = "5"
    & skf21("3","6","4","2","5","1","6","1") = "5"
    & skf21("3","6","4","2","5","1","7","1") = "6"
    & skf21("3","6","4","2","5","2","1","1") = "5"
    & skf21("3","6","4","2","5","2","2","1") = "5"
    & skf21("3","6","4","2","5","2","3","1") = "5"
    & skf21("3","6","4","2","5","2","4","1") = "5"
    & skf21("3","6","4","2","5","2","5","1") = "5"
    & skf21("3","6","4","2","5","2","6","1") = "5"
    & skf21("3","6","4","2","5","2","7","1") = "6"
    & skf21("3","6","4","2","5","3","1","1") = "5"
    & skf21("3","6","4","2","5","3","2","1") = "5"
    & skf21("3","6","4","2","5","3","3","1") = "5"
    & skf21("3","6","4","2","5","3","4","1") = "5"
    & skf21("3","6","4","2","5","3","5","1") = "5"
    & skf21("3","6","4","2","5","3","6","1") = "5"
    & skf21("3","6","4","2","5","3","7","1") = "6"
    & skf21("3","6","4","2","5","4","1","1") = "5"
    & skf21("3","6","4","2","5","4","2","1") = "5"
    & skf21("3","6","4","2","5","4","3","1") = "5"
    & skf21("3","6","4","2","5","4","4","1") = "5"
    & skf21("3","6","4","2","5","4","5","1") = "5"
    & skf21("3","6","4","2","5","4","6","1") = "5"
    & skf21("3","6","4","2","5","4","7","1") = "6"
    & skf21("3","6","4","2","5","5","1","1") = "5"
    & skf21("3","6","4","2","5","5","2","1") = "5"
    & skf21("3","6","4","2","5","5","3","1") = "5"
    & skf21("3","6","4","2","5","5","4","1") = "5"
    & skf21("3","6","4","2","5","5","5","1") = "5"
    & skf21("3","6","4","2","5","5","6","1") = "5"
    & skf21("3","6","4","2","5","5","7","1") = "6"
    & skf21("3","6","4","2","5","6","1","1") = "5"
    & skf21("3","6","4","2","5","6","2","1") = "5"
    & skf21("3","6","4","2","5","6","3","1") = "5"
    & skf21("3","6","4","2","5","6","4","1") = "5"
    & skf21("3","6","4","2","5","6","5","1") = "5"
    & skf21("3","6","4","2","5","6","6","1") = "5"
    & skf21("3","6","4","2","5","6","7","1") = "6"
    & skf21("3","6","4","2","5","7","1","1") = "6"
    & skf21("3","6","4","2","5","7","2","1") = "6"
    & skf21("3","6","4","2","5","7","3","1") = "6"
    & skf21("3","6","4","2","5","7","4","1") = "6"
    & skf21("3","6","4","2","5","7","5","1") = "6"
    & skf21("3","6","4","2","5","7","6","1") = "6"
    & skf21("3","6","4","2","5","7","7","1") = "6"
    & skf21("3","6","4","2","6","1","1","1") = "5"
    & skf21("3","6","4","2","6","1","2","1") = "5"
    & skf21("3","6","4","2","6","1","3","1") = "5"
    & skf21("3","6","4","2","6","1","4","1") = "5"
    & skf21("3","6","4","2","6","1","5","1") = "5"
    & skf21("3","6","4","2","6","1","6","1") = "5"
    & skf21("3","6","4","2","6","1","7","1") = "6"
    & skf21("3","6","4","2","6","2","1","1") = "5"
    & skf21("3","6","4","2","6","2","2","1") = "5"
    & skf21("3","6","4","2","6","2","3","1") = "5"
    & skf21("3","6","4","2","6","2","4","1") = "5"
    & skf21("3","6","4","2","6","2","5","1") = "5"
    & skf21("3","6","4","2","6","2","6","1") = "5"
    & skf21("3","6","4","2","6","2","7","1") = "6"
    & skf21("3","6","4","2","6","3","1","1") = "5"
    & skf21("3","6","4","2","6","3","2","1") = "5"
    & skf21("3","6","4","2","6","3","3","1") = "5"
    & skf21("3","6","4","2","6","3","4","1") = "5"
    & skf21("3","6","4","2","6","3","5","1") = "5"
    & skf21("3","6","4","2","6","3","6","1") = "5"
    & skf21("3","6","4","2","6","3","7","1") = "6"
    & skf21("3","6","4","2","6","4","1","1") = "5"
    & skf21("3","6","4","2","6","4","2","1") = "5"
    & skf21("3","6","4","2","6","4","3","1") = "5"
    & skf21("3","6","4","2","6","4","4","1") = "5"
    & skf21("3","6","4","2","6","4","5","1") = "5"
    & skf21("3","6","4","2","6","4","6","1") = "5"
    & skf21("3","6","4","2","6","4","7","1") = "6"
    & skf21("3","6","4","2","6","5","1","1") = "5"
    & skf21("3","6","4","2","6","5","2","1") = "5"
    & skf21("3","6","4","2","6","5","3","1") = "5"
    & skf21("3","6","4","2","6","5","4","1") = "5"
    & skf21("3","6","4","2","6","5","5","1") = "5"
    & skf21("3","6","4","2","6","5","6","1") = "5"
    & skf21("3","6","4","2","6","5","7","1") = "6"
    & skf21("3","6","4","2","6","6","1","1") = "5"
    & skf21("3","6","4","2","6","6","2","1") = "5"
    & skf21("3","6","4","2","6","6","3","1") = "5"
    & skf21("3","6","4","2","6","6","4","1") = "5"
    & skf21("3","6","4","2","6","6","5","1") = "5"
    & skf21("3","6","4","2","6","6","6","1") = "5"
    & skf21("3","6","4","2","6","6","7","1") = "6"
    & skf21("3","6","4","2","6","7","1","1") = "6"
    & skf21("3","6","4","2","6","7","2","1") = "6"
    & skf21("3","6","4","2","6","7","3","1") = "6"
    & skf21("3","6","4","2","6","7","4","1") = "6"
    & skf21("3","6","4","2","6","7","5","1") = "6"
    & skf21("3","6","4","2","6","7","6","1") = "6"
    & skf21("3","6","4","2","6","7","7","1") = "6"
    & skf21("3","6","4","2","7","1","1","1") = "6"
    & skf21("3","6","4","2","7","1","2","1") = "6"
    & skf21("3","6","4","2","7","1","3","1") = "6"
    & skf21("3","6","4","2","7","1","4","1") = "6"
    & skf21("3","6","4","2","7","1","5","1") = "6"
    & skf21("3","6","4","2","7","1","6","1") = "6"
    & skf21("3","6","4","2","7","1","7","1") = "6"
    & skf21("3","6","4","2","7","2","1","1") = "6"
    & skf21("3","6","4","2","7","2","2","1") = "6"
    & skf21("3","6","4","2","7","2","3","1") = "6"
    & skf21("3","6","4","2","7","2","4","1") = "6"
    & skf21("3","6","4","2","7","2","5","1") = "6"
    & skf21("3","6","4","2","7","2","6","1") = "6"
    & skf21("3","6","4","2","7","2","7","1") = "6"
    & skf21("3","6","4","2","7","3","1","1") = "6"
    & skf21("3","6","4","2","7","3","2","1") = "6"
    & skf21("3","6","4","2","7","3","3","1") = "6"
    & skf21("3","6","4","2","7","3","4","1") = "6"
    & skf21("3","6","4","2","7","3","5","1") = "6"
    & skf21("3","6","4","2","7","3","6","1") = "6"
    & skf21("3","6","4","2","7","3","7","1") = "6"
    & skf21("3","6","4","2","7","4","1","1") = "6"
    & skf21("3","6","4","2","7","4","2","1") = "6"
    & skf21("3","6","4","2","7","4","3","1") = "6"
    & skf21("3","6","4","2","7","4","4","1") = "6"
    & skf21("3","6","4","2","7","4","5","1") = "6"
    & skf21("3","6","4","2","7","4","6","1") = "6"
    & skf21("3","6","4","2","7","4","7","1") = "6"
    & skf21("3","6","4","2","7","5","1","1") = "6"
    & skf21("3","6","4","2","7","5","2","1") = "6"
    & skf21("3","6","4","2","7","5","3","1") = "6"
    & skf21("3","6","4","2","7","5","4","1") = "6"
    & skf21("3","6","4","2","7","5","5","1") = "6"
    & skf21("3","6","4","2","7","5","6","1") = "6"
    & skf21("3","6","4","2","7","5","7","1") = "6"
    & skf21("3","6","4","2","7","6","1","1") = "6"
    & skf21("3","6","4","2","7","6","2","1") = "6"
    & skf21("3","6","4","2","7","6","3","1") = "6"
    & skf21("3","6","4","2","7","6","4","1") = "6"
    & skf21("3","6","4","2","7","6","5","1") = "6"
    & skf21("3","6","4","2","7","6","6","1") = "6"
    & skf21("3","6","4","2","7","6","7","1") = "6"
    & skf21("3","6","4","2","7","7","1","1") = "6"
    & skf21("3","6","4","2","7","7","2","1") = "6"
    & skf21("3","6","4","2","7","7","3","1") = "6"
    & skf21("3","6","4","2","7","7","4","1") = "6"
    & skf21("3","6","4","2","7","7","5","1") = "6"
    & skf21("3","6","4","2","7","7","6","1") = "6"
    & skf21("3","6","4","2","7","7","7","1") = "6"
    & skf21("3","6","4","3","1","1","1","1") = "5"
    & skf21("3","6","4","3","1","1","2","1") = "5"
    & skf21("3","6","4","3","1","1","3","1") = "5"
    & skf21("3","6","4","3","1","1","4","1") = "5"
    & skf21("3","6","4","3","1","1","5","1") = "5"
    & skf21("3","6","4","3","1","1","6","1") = "5"
    & skf21("3","6","4","3","1","1","7","1") = "6"
    & skf21("3","6","4","3","1","2","1","1") = "5"
    & skf21("3","6","4","3","1","2","2","1") = "5"
    & skf21("3","6","4","3","1","2","3","1") = "5"
    & skf21("3","6","4","3","1","2","4","1") = "5"
    & skf21("3","6","4","3","1","2","5","1") = "5"
    & skf21("3","6","4","3","1","2","6","1") = "5"
    & skf21("3","6","4","3","1","2","7","1") = "6"
    & skf21("3","6","4","3","1","3","1","1") = "5"
    & skf21("3","6","4","3","1","3","2","1") = "5"
    & skf21("3","6","4","3","1","3","3","1") = "5"
    & skf21("3","6","4","3","1","3","4","1") = "5"
    & skf21("3","6","4","3","1","3","5","1") = "5"
    & skf21("3","6","4","3","1","3","6","1") = "5"
    & skf21("3","6","4","3","1","3","7","1") = "6"
    & skf21("3","6","4","3","1","4","1","1") = "5"
    & skf21("3","6","4","3","1","4","2","1") = "5"
    & skf21("3","6","4","3","1","4","3","1") = "5"
    & skf21("3","6","4","3","1","4","4","1") = "5"
    & skf21("3","6","4","3","1","4","5","1") = "5"
    & skf21("3","6","4","3","1","4","6","1") = "5"
    & skf21("3","6","4","3","1","4","7","1") = "6"
    & skf21("3","6","4","3","1","5","1","1") = "5"
    & skf21("3","6","4","3","1","5","2","1") = "5"
    & skf21("3","6","4","3","1","5","3","1") = "5"
    & skf21("3","6","4","3","1","5","4","1") = "5"
    & skf21("3","6","4","3","1","5","5","1") = "5"
    & skf21("3","6","4","3","1","5","6","1") = "5"
    & skf21("3","6","4","3","1","5","7","1") = "6"
    & skf21("3","6","4","3","1","6","1","1") = "5"
    & skf21("3","6","4","3","1","6","2","1") = "5"
    & skf21("3","6","4","3","1","6","3","1") = "5"
    & skf21("3","6","4","3","1","6","4","1") = "5"
    & skf21("3","6","4","3","1","6","5","1") = "5"
    & skf21("3","6","4","3","1","6","6","1") = "5"
    & skf21("3","6","4","3","1","6","7","1") = "6"
    & skf21("3","6","4","3","1","7","1","1") = "6"
    & skf21("3","6","4","3","1","7","2","1") = "6"
    & skf21("3","6","4","3","1","7","3","1") = "6"
    & skf21("3","6","4","3","1","7","4","1") = "6"
    & skf21("3","6","4","3","1","7","5","1") = "6"
    & skf21("3","6","4","3","1","7","6","1") = "6"
    & skf21("3","6","4","3","1","7","7","1") = "6"
    & skf21("3","6","4","3","2","1","1","1") = "5"
    & skf21("3","6","4","3","2","1","2","1") = "5"
    & skf21("3","6","4","3","2","1","3","1") = "5"
    & skf21("3","6","4","3","2","1","4","1") = "5"
    & skf21("3","6","4","3","2","1","5","1") = "5"
    & skf21("3","6","4","3","2","1","6","1") = "5"
    & skf21("3","6","4","3","2","1","7","1") = "6"
    & skf21("3","6","4","3","2","2","1","1") = "5"
    & skf21("3","6","4","3","2","2","2","1") = "5"
    & skf21("3","6","4","3","2","2","3","1") = "5"
    & skf21("3","6","4","3","2","2","4","1") = "5"
    & skf21("3","6","4","3","2","2","5","1") = "5"
    & skf21("3","6","4","3","2","2","6","1") = "5"
    & skf21("3","6","4","3","2","2","7","1") = "6"
    & skf21("3","6","4","3","2","3","1","1") = "5"
    & skf21("3","6","4","3","2","3","2","1") = "5"
    & skf21("3","6","4","3","2","3","3","1") = "5"
    & skf21("3","6","4","3","2","3","4","1") = "5"
    & skf21("3","6","4","3","2","3","5","1") = "5"
    & skf21("3","6","4","3","2","3","6","1") = "5"
    & skf21("3","6","4","3","2","3","7","1") = "6"
    & skf21("3","6","4","3","2","4","1","1") = "5"
    & skf21("3","6","4","3","2","4","2","1") = "5"
    & skf21("3","6","4","3","2","4","3","1") = "5"
    & skf21("3","6","4","3","2","4","4","1") = "5"
    & skf21("3","6","4","3","2","4","5","1") = "5"
    & skf21("3","6","4","3","2","4","6","1") = "5"
    & skf21("3","6","4","3","2","4","7","1") = "6"
    & skf21("3","6","4","3","2","5","1","1") = "5"
    & skf21("3","6","4","3","2","5","2","1") = "5"
    & skf21("3","6","4","3","2","5","3","1") = "5"
    & skf21("3","6","4","3","2","5","4","1") = "5"
    & skf21("3","6","4","3","2","5","5","1") = "5"
    & skf21("3","6","4","3","2","5","6","1") = "5"
    & skf21("3","6","4","3","2","5","7","1") = "6"
    & skf21("3","6","4","3","2","6","1","1") = "5"
    & skf21("3","6","4","3","2","6","2","1") = "5"
    & skf21("3","6","4","3","2","6","3","1") = "5"
    & skf21("3","6","4","3","2","6","4","1") = "5"
    & skf21("3","6","4","3","2","6","5","1") = "5"
    & skf21("3","6","4","3","2","6","6","1") = "5"
    & skf21("3","6","4","3","2","6","7","1") = "6"
    & skf21("3","6","4","3","2","7","1","1") = "6"
    & skf21("3","6","4","3","2","7","2","1") = "6"
    & skf21("3","6","4","3","2","7","3","1") = "6"
    & skf21("3","6","4","3","2","7","4","1") = "6"
    & skf21("3","6","4","3","2","7","5","1") = "6"
    & skf21("3","6","4","3","2","7","6","1") = "6"
    & skf21("3","6","4","3","2","7","7","1") = "6"
    & skf21("3","6","4","3","3","1","1","1") = "5"
    & skf21("3","6","4","3","3","1","2","1") = "5"
    & skf21("3","6","4","3","3","1","3","1") = "5"
    & skf21("3","6","4","3","3","1","4","1") = "5"
    & skf21("3","6","4","3","3","1","5","1") = "5"
    & skf21("3","6","4","3","3","1","6","1") = "5"
    & skf21("3","6","4","3","3","1","7","1") = "6"
    & skf21("3","6","4","3","3","2","1","1") = "5"
    & skf21("3","6","4","3","3","2","2","1") = "5"
    & skf21("3","6","4","3","3","2","3","1") = "5"
    & skf21("3","6","4","3","3","2","4","1") = "5"
    & skf21("3","6","4","3","3","2","5","1") = "5"
    & skf21("3","6","4","3","3","2","6","1") = "5"
    & skf21("3","6","4","3","3","2","7","1") = "6"
    & skf21("3","6","4","3","3","3","1","1") = "5"
    & skf21("3","6","4","3","3","3","2","1") = "5"
    & skf21("3","6","4","3","3","3","3","1") = "5"
    & skf21("3","6","4","3","3","3","4","1") = "5"
    & skf21("3","6","4","3","3","3","5","1") = "5"
    & skf21("3","6","4","3","3","3","6","1") = "5"
    & skf21("3","6","4","3","3","3","7","1") = "6"
    & skf21("3","6","4","3","3","4","1","1") = "5"
    & skf21("3","6","4","3","3","4","2","1") = "5"
    & skf21("3","6","4","3","3","4","3","1") = "5"
    & skf21("3","6","4","3","3","4","4","1") = "5"
    & skf21("3","6","4","3","3","4","5","1") = "5"
    & skf21("3","6","4","3","3","4","6","1") = "5"
    & skf21("3","6","4","3","3","4","7","1") = "6"
    & skf21("3","6","4","3","3","5","1","1") = "5"
    & skf21("3","6","4","3","3","5","2","1") = "5"
    & skf21("3","6","4","3","3","5","3","1") = "5"
    & skf21("3","6","4","3","3","5","4","1") = "5"
    & skf21("3","6","4","3","3","5","5","1") = "5"
    & skf21("3","6","4","3","3","5","6","1") = "5"
    & skf21("3","6","4","3","3","5","7","1") = "6"
    & skf21("3","6","4","3","3","6","1","1") = "5"
    & skf21("3","6","4","3","3","6","2","1") = "5"
    & skf21("3","6","4","3","3","6","3","1") = "5"
    & skf21("3","6","4","3","3","6","4","1") = "5"
    & skf21("3","6","4","3","3","6","5","1") = "5"
    & skf21("3","6","4","3","3","6","6","1") = "5"
    & skf21("3","6","4","3","3","6","7","1") = "6"
    & skf21("3","6","4","3","3","7","1","1") = "6"
    & skf21("3","6","4","3","3","7","2","1") = "6"
    & skf21("3","6","4","3","3","7","3","1") = "6"
    & skf21("3","6","4","3","3","7","4","1") = "6"
    & skf21("3","6","4","3","3","7","5","1") = "6"
    & skf21("3","6","4","3","3","7","6","1") = "6"
    & skf21("3","6","4","3","3","7","7","1") = "6"
    & skf21("3","6","4","3","4","1","1","1") = "5"
    & skf21("3","6","4","3","4","1","2","1") = "5"
    & skf21("3","6","4","3","4","1","3","1") = "5"
    & skf21("3","6","4","3","4","1","4","1") = "5"
    & skf21("3","6","4","3","4","1","5","1") = "5"
    & skf21("3","6","4","3","4","1","6","1") = "5"
    & skf21("3","6","4","3","4","1","7","1") = "6"
    & skf21("3","6","4","3","4","2","1","1") = "5"
    & skf21("3","6","4","3","4","2","2","1") = "5"
    & skf21("3","6","4","3","4","2","3","1") = "5"
    & skf21("3","6","4","3","4","2","4","1") = "5"
    & skf21("3","6","4","3","4","2","5","1") = "5"
    & skf21("3","6","4","3","4","2","6","1") = "5"
    & skf21("3","6","4","3","4","2","7","1") = "6"
    & skf21("3","6","4","3","4","3","1","1") = "5"
    & skf21("3","6","4","3","4","3","2","1") = "5"
    & skf21("3","6","4","3","4","3","3","1") = "5"
    & skf21("3","6","4","3","4","3","4","1") = "5"
    & skf21("3","6","4","3","4","3","5","1") = "5"
    & skf21("3","6","4","3","4","3","6","1") = "5"
    & skf21("3","6","4","3","4","3","7","1") = "6"
    & skf21("3","6","4","3","4","4","1","1") = "5"
    & skf21("3","6","4","3","4","4","2","1") = "5"
    & skf21("3","6","4","3","4","4","3","1") = "5"
    & skf21("3","6","4","3","4","4","4","1") = "5"
    & skf21("3","6","4","3","4","4","5","1") = "5"
    & skf21("3","6","4","3","4","4","6","1") = "5"
    & skf21("3","6","4","3","4","4","7","1") = "6"
    & skf21("3","6","4","3","4","5","1","1") = "5"
    & skf21("3","6","4","3","4","5","2","1") = "5"
    & skf21("3","6","4","3","4","5","3","1") = "5"
    & skf21("3","6","4","3","4","5","4","1") = "5"
    & skf21("3","6","4","3","4","5","5","1") = "5"
    & skf21("3","6","4","3","4","5","6","1") = "5"
    & skf21("3","6","4","3","4","5","7","1") = "6"
    & skf21("3","6","4","3","4","6","1","1") = "5"
    & skf21("3","6","4","3","4","6","2","1") = "5"
    & skf21("3","6","4","3","4","6","3","1") = "5"
    & skf21("3","6","4","3","4","6","4","1") = "5"
    & skf21("3","6","4","3","4","6","5","1") = "5"
    & skf21("3","6","4","3","4","6","6","1") = "5"
    & skf21("3","6","4","3","4","6","7","1") = "6"
    & skf21("3","6","4","3","4","7","1","1") = "6"
    & skf21("3","6","4","3","4","7","2","1") = "6"
    & skf21("3","6","4","3","4","7","3","1") = "6"
    & skf21("3","6","4","3","4","7","4","1") = "6"
    & skf21("3","6","4","3","4","7","5","1") = "6"
    & skf21("3","6","4","3","4","7","6","1") = "6"
    & skf21("3","6","4","3","4","7","7","1") = "6"
    & skf21("3","6","4","3","5","1","1","1") = "5"
    & skf21("3","6","4","3","5","1","2","1") = "5"
    & skf21("3","6","4","3","5","1","3","1") = "5"
    & skf21("3","6","4","3","5","1","4","1") = "5"
    & skf21("3","6","4","3","5","1","5","1") = "5"
    & skf21("3","6","4","3","5","1","6","1") = "5"
    & skf21("3","6","4","3","5","1","7","1") = "6"
    & skf21("3","6","4","3","5","2","1","1") = "5"
    & skf21("3","6","4","3","5","2","2","1") = "5"
    & skf21("3","6","4","3","5","2","3","1") = "5"
    & skf21("3","6","4","3","5","2","4","1") = "5"
    & skf21("3","6","4","3","5","2","5","1") = "5"
    & skf21("3","6","4","3","5","2","6","1") = "5"
    & skf21("3","6","4","3","5","2","7","1") = "6"
    & skf21("3","6","4","3","5","3","1","1") = "5"
    & skf21("3","6","4","3","5","3","2","1") = "5"
    & skf21("3","6","4","3","5","3","3","1") = "5"
    & skf21("3","6","4","3","5","3","4","1") = "5"
    & skf21("3","6","4","3","5","3","5","1") = "5"
    & skf21("3","6","4","3","5","3","6","1") = "5"
    & skf21("3","6","4","3","5","3","7","1") = "6"
    & skf21("3","6","4","3","5","4","1","1") = "5"
    & skf21("3","6","4","3","5","4","2","1") = "5"
    & skf21("3","6","4","3","5","4","3","1") = "5"
    & skf21("3","6","4","3","5","4","4","1") = "5"
    & skf21("3","6","4","3","5","4","5","1") = "5"
    & skf21("3","6","4","3","5","4","6","1") = "5"
    & skf21("3","6","4","3","5","4","7","1") = "6"
    & skf21("3","6","4","3","5","5","1","1") = "5"
    & skf21("3","6","4","3","5","5","2","1") = "5"
    & skf21("3","6","4","3","5","5","3","1") = "5"
    & skf21("3","6","4","3","5","5","4","1") = "5"
    & skf21("3","6","4","3","5","5","5","1") = "5"
    & skf21("3","6","4","3","5","5","6","1") = "5"
    & skf21("3","6","4","3","5","5","7","1") = "6"
    & skf21("3","6","4","3","5","6","1","1") = "5"
    & skf21("3","6","4","3","5","6","2","1") = "5"
    & skf21("3","6","4","3","5","6","3","1") = "5"
    & skf21("3","6","4","3","5","6","4","1") = "5"
    & skf21("3","6","4","3","5","6","5","1") = "5"
    & skf21("3","6","4","3","5","6","6","1") = "5"
    & skf21("3","6","4","3","5","6","7","1") = "6"
    & skf21("3","6","4","3","5","7","1","1") = "6"
    & skf21("3","6","4","3","5","7","2","1") = "6"
    & skf21("3","6","4","3","5","7","3","1") = "6"
    & skf21("3","6","4","3","5","7","4","1") = "6"
    & skf21("3","6","4","3","5","7","5","1") = "6"
    & skf21("3","6","4","3","5","7","6","1") = "6"
    & skf21("3","6","4","3","5","7","7","1") = "6"
    & skf21("3","6","4","3","6","1","1","1") = "5"
    & skf21("3","6","4","3","6","1","2","1") = "5"
    & skf21("3","6","4","3","6","1","3","1") = "5"
    & skf21("3","6","4","3","6","1","4","1") = "5"
    & skf21("3","6","4","3","6","1","5","1") = "5"
    & skf21("3","6","4","3","6","1","6","1") = "5"
    & skf21("3","6","4","3","6","1","7","1") = "6"
    & skf21("3","6","4","3","6","2","1","1") = "5"
    & skf21("3","6","4","3","6","2","2","1") = "5"
    & skf21("3","6","4","3","6","2","3","1") = "5"
    & skf21("3","6","4","3","6","2","4","1") = "5"
    & skf21("3","6","4","3","6","2","5","1") = "5"
    & skf21("3","6","4","3","6","2","6","1") = "5"
    & skf21("3","6","4","3","6","2","7","1") = "6"
    & skf21("3","6","4","3","6","3","1","1") = "5"
    & skf21("3","6","4","3","6","3","2","1") = "5"
    & skf21("3","6","4","3","6","3","3","1") = "5"
    & skf21("3","6","4","3","6","3","4","1") = "5"
    & skf21("3","6","4","3","6","3","5","1") = "5"
    & skf21("3","6","4","3","6","3","6","1") = "5"
    & skf21("3","6","4","3","6","3","7","1") = "6"
    & skf21("3","6","4","3","6","4","1","1") = "5"
    & skf21("3","6","4","3","6","4","2","1") = "5"
    & skf21("3","6","4","3","6","4","3","1") = "5"
    & skf21("3","6","4","3","6","4","4","1") = "5"
    & skf21("3","6","4","3","6","4","5","1") = "5"
    & skf21("3","6","4","3","6","4","6","1") = "5"
    & skf21("3","6","4","3","6","4","7","1") = "6"
    & skf21("3","6","4","3","6","5","1","1") = "5"
    & skf21("3","6","4","3","6","5","2","1") = "5"
    & skf21("3","6","4","3","6","5","3","1") = "5"
    & skf21("3","6","4","3","6","5","4","1") = "5"
    & skf21("3","6","4","3","6","5","5","1") = "5"
    & skf21("3","6","4","3","6","5","6","1") = "5"
    & skf21("3","6","4","3","6","5","7","1") = "6"
    & skf21("3","6","4","3","6","6","1","1") = "5"
    & skf21("3","6","4","3","6","6","2","1") = "5"
    & skf21("3","6","4","3","6","6","3","1") = "5"
    & skf21("3","6","4","3","6","6","4","1") = "5"
    & skf21("3","6","4","3","6","6","5","1") = "5"
    & skf21("3","6","4","3","6","6","6","1") = "5"
    & skf21("3","6","4","3","6","6","7","1") = "6"
    & skf21("3","6","4","3","6","7","1","1") = "6"
    & skf21("3","6","4","3","6","7","2","1") = "6"
    & skf21("3","6","4","3","6","7","3","1") = "6"
    & skf21("3","6","4","3","6","7","4","1") = "6"
    & skf21("3","6","4","3","6","7","5","1") = "6"
    & skf21("3","6","4","3","6","7","6","1") = "6"
    & skf21("3","6","4","3","6","7","7","1") = "6"
    & skf21("3","6","4","3","7","1","1","1") = "6"
    & skf21("3","6","4","3","7","1","2","1") = "6"
    & skf21("3","6","4","3","7","1","3","1") = "6"
    & skf21("3","6","4","3","7","1","4","1") = "6"
    & skf21("3","6","4","3","7","1","5","1") = "6"
    & skf21("3","6","4","3","7","1","6","1") = "6"
    & skf21("3","6","4","3","7","1","7","1") = "6"
    & skf21("3","6","4","3","7","2","1","1") = "6"
    & skf21("3","6","4","3","7","2","2","1") = "6"
    & skf21("3","6","4","3","7","2","3","1") = "6"
    & skf21("3","6","4","3","7","2","4","1") = "6"
    & skf21("3","6","4","3","7","2","5","1") = "6"
    & skf21("3","6","4","3","7","2","6","1") = "6"
    & skf21("3","6","4","3","7","2","7","1") = "6"
    & skf21("3","6","4","3","7","3","1","1") = "6"
    & skf21("3","6","4","3","7","3","2","1") = "6"
    & skf21("3","6","4","3","7","3","3","1") = "6"
    & skf21("3","6","4","3","7","3","4","1") = "6"
    & skf21("3","6","4","3","7","3","5","1") = "6"
    & skf21("3","6","4","3","7","3","6","1") = "6"
    & skf21("3","6","4","3","7","3","7","1") = "6"
    & skf21("3","6","4","3","7","4","1","1") = "6"
    & skf21("3","6","4","3","7","4","2","1") = "6"
    & skf21("3","6","4","3","7","4","3","1") = "6"
    & skf21("3","6","4","3","7","4","4","1") = "6"
    & skf21("3","6","4","3","7","4","5","1") = "6"
    & skf21("3","6","4","3","7","4","6","1") = "6"
    & skf21("3","6","4","3","7","4","7","1") = "6"
    & skf21("3","6","4","3","7","5","1","1") = "6"
    & skf21("3","6","4","3","7","5","2","1") = "6"
    & skf21("3","6","4","3","7","5","3","1") = "6"
    & skf21("3","6","4","3","7","5","4","1") = "6"
    & skf21("3","6","4","3","7","5","5","1") = "6"
    & skf21("3","6","4","3","7","5","6","1") = "6"
    & skf21("3","6","4","3","7","5","7","1") = "6"
    & skf21("3","6","4","3","7","6","1","1") = "6"
    & skf21("3","6","4","3","7","6","2","1") = "6"
    & skf21("3","6","4","3","7","6","3","1") = "6"
    & skf21("3","6","4","3","7","6","4","1") = "6"
    & skf21("3","6","4","3","7","6","5","1") = "6"
    & skf21("3","6","4","3","7","6","6","1") = "6"
    & skf21("3","6","4","3","7","6","7","1") = "6"
    & skf21("3","6","4","3","7","7","1","1") = "6"
    & skf21("3","6","4","3","7","7","2","1") = "6"
    & skf21("3","6","4","3","7","7","3","1") = "6"
    & skf21("3","6","4","3","7","7","4","1") = "6"
    & skf21("3","6","4","3","7","7","5","1") = "6"
    & skf21("3","6","4","3","7","7","6","1") = "6"
    & skf21("3","6","4","3","7","7","7","1") = "6"
    & skf21("3","6","4","4","1","1","1","1") = "5"
    & skf21("3","6","4","4","1","1","2","1") = "5"
    & skf21("3","6","4","4","1","1","3","1") = "5"
    & skf21("3","6","4","4","1","1","4","1") = "5"
    & skf21("3","6","4","4","1","1","5","1") = "5"
    & skf21("3","6","4","4","1","1","6","1") = "5"
    & skf21("3","6","4","4","1","1","7","1") = "6"
    & skf21("3","6","4","4","1","2","1","1") = "5"
    & skf21("3","6","4","4","1","2","2","1") = "5"
    & skf21("3","6","4","4","1","2","3","1") = "5"
    & skf21("3","6","4","4","1","2","4","1") = "5"
    & skf21("3","6","4","4","1","2","5","1") = "5"
    & skf21("3","6","4","4","1","2","6","1") = "5"
    & skf21("3","6","4","4","1","2","7","1") = "6"
    & skf21("3","6","4","4","1","3","1","1") = "5"
    & skf21("3","6","4","4","1","3","2","1") = "5"
    & skf21("3","6","4","4","1","3","3","1") = "5"
    & skf21("3","6","4","4","1","3","4","1") = "5"
    & skf21("3","6","4","4","1","3","5","1") = "5"
    & skf21("3","6","4","4","1","3","6","1") = "5"
    & skf21("3","6","4","4","1","3","7","1") = "6"
    & skf21("3","6","4","4","1","4","1","1") = "5"
    & skf21("3","6","4","4","1","4","2","1") = "5"
    & skf21("3","6","4","4","1","4","3","1") = "5"
    & skf21("3","6","4","4","1","4","4","1") = "5"
    & skf21("3","6","4","4","1","4","5","1") = "5"
    & skf21("3","6","4","4","1","4","6","1") = "5"
    & skf21("3","6","4","4","1","4","7","1") = "6"
    & skf21("3","6","4","4","1","5","1","1") = "5"
    & skf21("3","6","4","4","1","5","2","1") = "5"
    & skf21("3","6","4","4","1","5","3","1") = "5"
    & skf21("3","6","4","4","1","5","4","1") = "5"
    & skf21("3","6","4","4","1","5","5","1") = "5"
    & skf21("3","6","4","4","1","5","6","1") = "5"
    & skf21("3","6","4","4","1","5","7","1") = "6"
    & skf21("3","6","4","4","1","6","1","1") = "5"
    & skf21("3","6","4","4","1","6","2","1") = "5"
    & skf21("3","6","4","4","1","6","3","1") = "5"
    & skf21("3","6","4","4","1","6","4","1") = "5"
    & skf21("3","6","4","4","1","6","5","1") = "5"
    & skf21("3","6","4","4","1","6","6","1") = "5"
    & skf21("3","6","4","4","1","6","7","1") = "6"
    & skf21("3","6","4","4","1","7","1","1") = "6"
    & skf21("3","6","4","4","1","7","2","1") = "6"
    & skf21("3","6","4","4","1","7","3","1") = "6"
    & skf21("3","6","4","4","1","7","4","1") = "6"
    & skf21("3","6","4","4","1","7","5","1") = "6"
    & skf21("3","6","4","4","1","7","6","1") = "6"
    & skf21("3","6","4","4","1","7","7","1") = "6"
    & skf21("3","6","4","4","2","1","1","1") = "5"
    & skf21("3","6","4","4","2","1","2","1") = "5"
    & skf21("3","6","4","4","2","1","3","1") = "5"
    & skf21("3","6","4","4","2","1","4","1") = "5"
    & skf21("3","6","4","4","2","1","5","1") = "5"
    & skf21("3","6","4","4","2","1","6","1") = "5"
    & skf21("3","6","4","4","2","1","7","1") = "6"
    & skf21("3","6","4","4","2","2","1","1") = "5"
    & skf21("3","6","4","4","2","2","2","1") = "5"
    & skf21("3","6","4","4","2","2","3","1") = "5"
    & skf21("3","6","4","4","2","2","4","1") = "5"
    & skf21("3","6","4","4","2","2","5","1") = "5"
    & skf21("3","6","4","4","2","2","6","1") = "5"
    & skf21("3","6","4","4","2","2","7","1") = "6"
    & skf21("3","6","4","4","2","3","1","1") = "5"
    & skf21("3","6","4","4","2","3","2","1") = "5"
    & skf21("3","6","4","4","2","3","3","1") = "5"
    & skf21("3","6","4","4","2","3","4","1") = "5"
    & skf21("3","6","4","4","2","3","5","1") = "5"
    & skf21("3","6","4","4","2","3","6","1") = "5"
    & skf21("3","6","4","4","2","3","7","1") = "6"
    & skf21("3","6","4","4","2","4","1","1") = "5"
    & skf21("3","6","4","4","2","4","2","1") = "5"
    & skf21("3","6","4","4","2","4","3","1") = "5"
    & skf21("3","6","4","4","2","4","4","1") = "5"
    & skf21("3","6","4","4","2","4","5","1") = "5"
    & skf21("3","6","4","4","2","4","6","1") = "5"
    & skf21("3","6","4","4","2","4","7","1") = "6"
    & skf21("3","6","4","4","2","5","1","1") = "5"
    & skf21("3","6","4","4","2","5","2","1") = "5"
    & skf21("3","6","4","4","2","5","3","1") = "5"
    & skf21("3","6","4","4","2","5","4","1") = "5"
    & skf21("3","6","4","4","2","5","5","1") = "5"
    & skf21("3","6","4","4","2","5","6","1") = "5"
    & skf21("3","6","4","4","2","5","7","1") = "6"
    & skf21("3","6","4","4","2","6","1","1") = "5"
    & skf21("3","6","4","4","2","6","2","1") = "5"
    & skf21("3","6","4","4","2","6","3","1") = "5"
    & skf21("3","6","4","4","2","6","4","1") = "5"
    & skf21("3","6","4","4","2","6","5","1") = "5"
    & skf21("3","6","4","4","2","6","6","1") = "5"
    & skf21("3","6","4","4","2","6","7","1") = "6"
    & skf21("3","6","4","4","2","7","1","1") = "6"
    & skf21("3","6","4","4","2","7","2","1") = "6"
    & skf21("3","6","4","4","2","7","3","1") = "6"
    & skf21("3","6","4","4","2","7","4","1") = "6"
    & skf21("3","6","4","4","2","7","5","1") = "6"
    & skf21("3","6","4","4","2","7","6","1") = "6"
    & skf21("3","6","4","4","2","7","7","1") = "6"
    & skf21("3","6","4","4","3","1","1","1") = "5"
    & skf21("3","6","4","4","3","1","2","1") = "5"
    & skf21("3","6","4","4","3","1","3","1") = "5"
    & skf21("3","6","4","4","3","1","4","1") = "5"
    & skf21("3","6","4","4","3","1","5","1") = "5"
    & skf21("3","6","4","4","3","1","6","1") = "5"
    & skf21("3","6","4","4","3","1","7","1") = "6"
    & skf21("3","6","4","4","3","2","1","1") = "5"
    & skf21("3","6","4","4","3","2","2","1") = "5"
    & skf21("3","6","4","4","3","2","3","1") = "5"
    & skf21("3","6","4","4","3","2","4","1") = "5"
    & skf21("3","6","4","4","3","2","5","1") = "5"
    & skf21("3","6","4","4","3","2","6","1") = "5"
    & skf21("3","6","4","4","3","2","7","1") = "6"
    & skf21("3","6","4","4","3","3","1","1") = "5"
    & skf21("3","6","4","4","3","3","2","1") = "5"
    & skf21("3","6","4","4","3","3","3","1") = "5"
    & skf21("3","6","4","4","3","3","4","1") = "5"
    & skf21("3","6","4","4","3","3","5","1") = "5"
    & skf21("3","6","4","4","3","3","6","1") = "5"
    & skf21("3","6","4","4","3","3","7","1") = "6"
    & skf21("3","6","4","4","3","4","1","1") = "5"
    & skf21("3","6","4","4","3","4","2","1") = "5"
    & skf21("3","6","4","4","3","4","3","1") = "5"
    & skf21("3","6","4","4","3","4","4","1") = "5"
    & skf21("3","6","4","4","3","4","5","1") = "5"
    & skf21("3","6","4","4","3","4","6","1") = "5"
    & skf21("3","6","4","4","3","4","7","1") = "6"
    & skf21("3","6","4","4","3","5","1","1") = "5"
    & skf21("3","6","4","4","3","5","2","1") = "5"
    & skf21("3","6","4","4","3","5","3","1") = "5"
    & skf21("3","6","4","4","3","5","4","1") = "5"
    & skf21("3","6","4","4","3","5","5","1") = "5"
    & skf21("3","6","4","4","3","5","6","1") = "5"
    & skf21("3","6","4","4","3","5","7","1") = "6"
    & skf21("3","6","4","4","3","6","1","1") = "5"
    & skf21("3","6","4","4","3","6","2","1") = "5"
    & skf21("3","6","4","4","3","6","3","1") = "5"
    & skf21("3","6","4","4","3","6","4","1") = "5"
    & skf21("3","6","4","4","3","6","5","1") = "5"
    & skf21("3","6","4","4","3","6","6","1") = "5"
    & skf21("3","6","4","4","3","6","7","1") = "6"
    & skf21("3","6","4","4","3","7","1","1") = "6"
    & skf21("3","6","4","4","3","7","2","1") = "6"
    & skf21("3","6","4","4","3","7","3","1") = "6"
    & skf21("3","6","4","4","3","7","4","1") = "6"
    & skf21("3","6","4","4","3","7","5","1") = "6"
    & skf21("3","6","4","4","3","7","6","1") = "6"
    & skf21("3","6","4","4","3","7","7","1") = "6"
    & skf21("3","6","4","4","4","1","1","1") = "5"
    & skf21("3","6","4","4","4","1","2","1") = "5"
    & skf21("3","6","4","4","4","1","3","1") = "5"
    & skf21("3","6","4","4","4","1","4","1") = "5"
    & skf21("3","6","4","4","4","1","5","1") = "5"
    & skf21("3","6","4","4","4","1","6","1") = "5"
    & skf21("3","6","4","4","4","1","7","1") = "6"
    & skf21("3","6","4","4","4","2","1","1") = "5"
    & skf21("3","6","4","4","4","2","2","1") = "5"
    & skf21("3","6","4","4","4","2","3","1") = "5"
    & skf21("3","6","4","4","4","2","4","1") = "5"
    & skf21("3","6","4","4","4","2","5","1") = "5"
    & skf21("3","6","4","4","4","2","6","1") = "5"
    & skf21("3","6","4","4","4","2","7","1") = "6"
    & skf21("3","6","4","4","4","3","1","1") = "5"
    & skf21("3","6","4","4","4","3","2","1") = "5"
    & skf21("3","6","4","4","4","3","3","1") = "5"
    & skf21("3","6","4","4","4","3","4","1") = "5"
    & skf21("3","6","4","4","4","3","5","1") = "5"
    & skf21("3","6","4","4","4","3","6","1") = "5"
    & skf21("3","6","4","4","4","3","7","1") = "6"
    & skf21("3","6","4","4","4","4","1","1") = "5"
    & skf21("3","6","4","4","4","4","2","1") = "5"
    & skf21("3","6","4","4","4","4","3","1") = "5"
    & skf21("3","6","4","4","4","4","4","1") = "5"
    & skf21("3","6","4","4","4","4","5","1") = "5"
    & skf21("3","6","4","4","4","4","6","1") = "5"
    & skf21("3","6","4","4","4","4","7","1") = "6"
    & skf21("3","6","4","4","4","5","1","1") = "5"
    & skf21("3","6","4","4","4","5","2","1") = "5"
    & skf21("3","6","4","4","4","5","3","1") = "5"
    & skf21("3","6","4","4","4","5","4","1") = "5"
    & skf21("3","6","4","4","4","5","5","1") = "5"
    & skf21("3","6","4","4","4","5","6","1") = "5"
    & skf21("3","6","4","4","4","5","7","1") = "6"
    & skf21("3","6","4","4","4","6","1","1") = "5"
    & skf21("3","6","4","4","4","6","2","1") = "5"
    & skf21("3","6","4","4","4","6","3","1") = "5"
    & skf21("3","6","4","4","4","6","4","1") = "5"
    & skf21("3","6","4","4","4","6","5","1") = "5"
    & skf21("3","6","4","4","4","6","6","1") = "5"
    & skf21("3","6","4","4","4","6","7","1") = "6"
    & skf21("3","6","4","4","4","7","1","1") = "6"
    & skf21("3","6","4","4","4","7","2","1") = "6"
    & skf21("3","6","4","4","4","7","3","1") = "6"
    & skf21("3","6","4","4","4","7","4","1") = "6"
    & skf21("3","6","4","4","4","7","5","1") = "6"
    & skf21("3","6","4","4","4","7","6","1") = "6"
    & skf21("3","6","4","4","4","7","7","1") = "6"
    & skf21("3","6","4","4","5","1","1","1") = "5"
    & skf21("3","6","4","4","5","1","2","1") = "5"
    & skf21("3","6","4","4","5","1","3","1") = "5"
    & skf21("3","6","4","4","5","1","4","1") = "5"
    & skf21("3","6","4","4","5","1","5","1") = "5"
    & skf21("3","6","4","4","5","1","6","1") = "5"
    & skf21("3","6","4","4","5","1","7","1") = "6"
    & skf21("3","6","4","4","5","2","1","1") = "5"
    & skf21("3","6","4","4","5","2","2","1") = "5"
    & skf21("3","6","4","4","5","2","3","1") = "5"
    & skf21("3","6","4","4","5","2","4","1") = "5"
    & skf21("3","6","4","4","5","2","5","1") = "5"
    & skf21("3","6","4","4","5","2","6","1") = "5"
    & skf21("3","6","4","4","5","2","7","1") = "6"
    & skf21("3","6","4","4","5","3","1","1") = "5"
    & skf21("3","6","4","4","5","3","2","1") = "5"
    & skf21("3","6","4","4","5","3","3","1") = "5"
    & skf21("3","6","4","4","5","3","4","1") = "5"
    & skf21("3","6","4","4","5","3","5","1") = "5"
    & skf21("3","6","4","4","5","3","6","1") = "5"
    & skf21("3","6","4","4","5","3","7","1") = "6"
    & skf21("3","6","4","4","5","4","1","1") = "5"
    & skf21("3","6","4","4","5","4","2","1") = "5"
    & skf21("3","6","4","4","5","4","3","1") = "5"
    & skf21("3","6","4","4","5","4","4","1") = "5"
    & skf21("3","6","4","4","5","4","5","1") = "5"
    & skf21("3","6","4","4","5","4","6","1") = "5"
    & skf21("3","6","4","4","5","4","7","1") = "6"
    & skf21("3","6","4","4","5","5","1","1") = "5"
    & skf21("3","6","4","4","5","5","2","1") = "5"
    & skf21("3","6","4","4","5","5","3","1") = "5"
    & skf21("3","6","4","4","5","5","4","1") = "5"
    & skf21("3","6","4","4","5","5","5","1") = "5"
    & skf21("3","6","4","4","5","5","6","1") = "5"
    & skf21("3","6","4","4","5","5","7","1") = "6"
    & skf21("3","6","4","4","5","6","1","1") = "5"
    & skf21("3","6","4","4","5","6","2","1") = "5"
    & skf21("3","6","4","4","5","6","3","1") = "5"
    & skf21("3","6","4","4","5","6","4","1") = "5"
    & skf21("3","6","4","4","5","6","5","1") = "5"
    & skf21("3","6","4","4","5","6","6","1") = "5"
    & skf21("3","6","4","4","5","6","7","1") = "6"
    & skf21("3","6","4","4","5","7","1","1") = "6"
    & skf21("3","6","4","4","5","7","2","1") = "6"
    & skf21("3","6","4","4","5","7","3","1") = "6"
    & skf21("3","6","4","4","5","7","4","1") = "6"
    & skf21("3","6","4","4","5","7","5","1") = "6"
    & skf21("3","6","4","4","5","7","6","1") = "6"
    & skf21("3","6","4","4","5","7","7","1") = "6"
    & skf21("3","6","4","4","6","1","1","1") = "5"
    & skf21("3","6","4","4","6","1","2","1") = "5"
    & skf21("3","6","4","4","6","1","3","1") = "5"
    & skf21("3","6","4","4","6","1","4","1") = "5"
    & skf21("3","6","4","4","6","1","5","1") = "5"
    & skf21("3","6","4","4","6","1","6","1") = "5"
    & skf21("3","6","4","4","6","1","7","1") = "6"
    & skf21("3","6","4","4","6","2","1","1") = "5"
    & skf21("3","6","4","4","6","2","2","1") = "5"
    & skf21("3","6","4","4","6","2","3","1") = "5"
    & skf21("3","6","4","4","6","2","4","1") = "5"
    & skf21("3","6","4","4","6","2","5","1") = "5"
    & skf21("3","6","4","4","6","2","6","1") = "5"
    & skf21("3","6","4","4","6","2","7","1") = "6"
    & skf21("3","6","4","4","6","3","1","1") = "5"
    & skf21("3","6","4","4","6","3","2","1") = "5"
    & skf21("3","6","4","4","6","3","3","1") = "5"
    & skf21("3","6","4","4","6","3","4","1") = "5"
    & skf21("3","6","4","4","6","3","5","1") = "5"
    & skf21("3","6","4","4","6","3","6","1") = "5"
    & skf21("3","6","4","4","6","3","7","1") = "6"
    & skf21("3","6","4","4","6","4","1","1") = "5"
    & skf21("3","6","4","4","6","4","2","1") = "5"
    & skf21("3","6","4","4","6","4","3","1") = "5"
    & skf21("3","6","4","4","6","4","4","1") = "5"
    & skf21("3","6","4","4","6","4","5","1") = "5"
    & skf21("3","6","4","4","6","4","6","1") = "5"
    & skf21("3","6","4","4","6","4","7","1") = "6"
    & skf21("3","6","4","4","6","5","1","1") = "5"
    & skf21("3","6","4","4","6","5","2","1") = "5"
    & skf21("3","6","4","4","6","5","3","1") = "5"
    & skf21("3","6","4","4","6","5","4","1") = "5"
    & skf21("3","6","4","4","6","5","5","1") = "5"
    & skf21("3","6","4","4","6","5","6","1") = "5"
    & skf21("3","6","4","4","6","5","7","1") = "6"
    & skf21("3","6","4","4","6","6","1","1") = "5"
    & skf21("3","6","4","4","6","6","2","1") = "5"
    & skf21("3","6","4","4","6","6","3","1") = "5"
    & skf21("3","6","4","4","6","6","4","1") = "5"
    & skf21("3","6","4","4","6","6","5","1") = "5"
    & skf21("3","6","4","4","6","6","6","1") = "5"
    & skf21("3","6","4","4","6","6","7","1") = "6"
    & skf21("3","6","4","4","6","7","1","1") = "6"
    & skf21("3","6","4","4","6","7","2","1") = "6"
    & skf21("3","6","4","4","6","7","3","1") = "6"
    & skf21("3","6","4","4","6","7","4","1") = "6"
    & skf21("3","6","4","4","6","7","5","1") = "6"
    & skf21("3","6","4","4","6","7","6","1") = "6"
    & skf21("3","6","4","4","6","7","7","1") = "6"
    & skf21("3","6","4","4","7","1","1","1") = "6"
    & skf21("3","6","4","4","7","1","2","1") = "6"
    & skf21("3","6","4","4","7","1","3","1") = "6"
    & skf21("3","6","4","4","7","1","4","1") = "6"
    & skf21("3","6","4","4","7","1","5","1") = "6"
    & skf21("3","6","4","4","7","1","6","1") = "6"
    & skf21("3","6","4","4","7","1","7","1") = "6"
    & skf21("3","6","4","4","7","2","1","1") = "6"
    & skf21("3","6","4","4","7","2","2","1") = "6"
    & skf21("3","6","4","4","7","2","3","1") = "6"
    & skf21("3","6","4","4","7","2","4","1") = "6"
    & skf21("3","6","4","4","7","2","5","1") = "6"
    & skf21("3","6","4","4","7","2","6","1") = "6"
    & skf21("3","6","4","4","7","2","7","1") = "6"
    & skf21("3","6","4","4","7","3","1","1") = "6"
    & skf21("3","6","4","4","7","3","2","1") = "6"
    & skf21("3","6","4","4","7","3","3","1") = "6"
    & skf21("3","6","4","4","7","3","4","1") = "6"
    & skf21("3","6","4","4","7","3","5","1") = "6"
    & skf21("3","6","4","4","7","3","6","1") = "6"
    & skf21("3","6","4","4","7","3","7","1") = "6"
    & skf21("3","6","4","4","7","4","1","1") = "6"
    & skf21("3","6","4","4","7","4","2","1") = "6"
    & skf21("3","6","4","4","7","4","3","1") = "6"
    & skf21("3","6","4","4","7","4","4","1") = "6"
    & skf21("3","6","4","4","7","4","5","1") = "6"
    & skf21("3","6","4","4","7","4","6","1") = "6"
    & skf21("3","6","4","4","7","4","7","1") = "6"
    & skf21("3","6","4","4","7","5","1","1") = "6"
    & skf21("3","6","4","4","7","5","2","1") = "6"
    & skf21("3","6","4","4","7","5","3","1") = "6"
    & skf21("3","6","4","4","7","5","4","1") = "6"
    & skf21("3","6","4","4","7","5","5","1") = "6"
    & skf21("3","6","4","4","7","5","6","1") = "6"
    & skf21("3","6","4","4","7","5","7","1") = "6"
    & skf21("3","6","4","4","7","6","1","1") = "6"
    & skf21("3","6","4","4","7","6","2","1") = "6"
    & skf21("3","6","4","4","7","6","3","1") = "6"
    & skf21("3","6","4","4","7","6","4","1") = "6"
    & skf21("3","6","4","4","7","6","5","1") = "6"
    & skf21("3","6","4","4","7","6","6","1") = "6"
    & skf21("3","6","4","4","7","6","7","1") = "6"
    & skf21("3","6","4","4","7","7","1","1") = "6"
    & skf21("3","6","4","4","7","7","2","1") = "6"
    & skf21("3","6","4","4","7","7","3","1") = "6"
    & skf21("3","6","4","4","7","7","4","1") = "6"
    & skf21("3","6","4","4","7","7","5","1") = "6"
    & skf21("3","6","4","4","7","7","6","1") = "6"
    & skf21("3","6","4","4","7","7","7","1") = "6"
    & skf21("3","6","4","5","1","1","1","1") = "5"
    & skf21("3","6","4","5","1","1","2","1") = "5"
    & skf21("3","6","4","5","1","1","3","1") = "5"
    & skf21("3","6","4","5","1","1","4","1") = "5"
    & skf21("3","6","4","5","1","1","5","1") = "5"
    & skf21("3","6","4","5","1","1","6","1") = "5"
    & skf21("3","6","4","5","1","1","7","1") = "6"
    & skf21("3","6","4","5","1","2","1","1") = "5"
    & skf21("3","6","4","5","1","2","2","1") = "5"
    & skf21("3","6","4","5","1","2","3","1") = "5"
    & skf21("3","6","4","5","1","2","4","1") = "5"
    & skf21("3","6","4","5","1","2","5","1") = "5"
    & skf21("3","6","4","5","1","2","6","1") = "5"
    & skf21("3","6","4","5","1","2","7","1") = "6"
    & skf21("3","6","4","5","1","3","1","1") = "5"
    & skf21("3","6","4","5","1","3","2","1") = "5"
    & skf21("3","6","4","5","1","3","3","1") = "5"
    & skf21("3","6","4","5","1","3","4","1") = "5"
    & skf21("3","6","4","5","1","3","5","1") = "5"
    & skf21("3","6","4","5","1","3","6","1") = "5"
    & skf21("3","6","4","5","1","3","7","1") = "6"
    & skf21("3","6","4","5","1","4","1","1") = "5"
    & skf21("3","6","4","5","1","4","2","1") = "5"
    & skf21("3","6","4","5","1","4","3","1") = "5"
    & skf21("3","6","4","5","1","4","4","1") = "5"
    & skf21("3","6","4","5","1","4","5","1") = "5"
    & skf21("3","6","4","5","1","4","6","1") = "5"
    & skf21("3","6","4","5","1","4","7","1") = "6"
    & skf21("3","6","4","5","1","5","1","1") = "5"
    & skf21("3","6","4","5","1","5","2","1") = "5"
    & skf21("3","6","4","5","1","5","3","1") = "5"
    & skf21("3","6","4","5","1","5","4","1") = "5"
    & skf21("3","6","4","5","1","5","5","1") = "5"
    & skf21("3","6","4","5","1","5","6","1") = "5"
    & skf21("3","6","4","5","1","5","7","1") = "6"
    & skf21("3","6","4","5","1","6","1","1") = "5"
    & skf21("3","6","4","5","1","6","2","1") = "5"
    & skf21("3","6","4","5","1","6","3","1") = "5"
    & skf21("3","6","4","5","1","6","4","1") = "5"
    & skf21("3","6","4","5","1","6","5","1") = "5"
    & skf21("3","6","4","5","1","6","6","1") = "5"
    & skf21("3","6","4","5","1","6","7","1") = "6"
    & skf21("3","6","4","5","1","7","1","1") = "6"
    & skf21("3","6","4","5","1","7","2","1") = "6"
    & skf21("3","6","4","5","1","7","3","1") = "6"
    & skf21("3","6","4","5","1","7","4","1") = "6"
    & skf21("3","6","4","5","1","7","5","1") = "6"
    & skf21("3","6","4","5","1","7","6","1") = "6"
    & skf21("3","6","4","5","1","7","7","1") = "6"
    & skf21("3","6","4","5","2","1","1","1") = "5"
    & skf21("3","6","4","5","2","1","2","1") = "5"
    & skf21("3","6","4","5","2","1","3","1") = "5"
    & skf21("3","6","4","5","2","1","4","1") = "5"
    & skf21("3","6","4","5","2","1","5","1") = "5"
    & skf21("3","6","4","5","2","1","6","1") = "5"
    & skf21("3","6","4","5","2","1","7","1") = "6"
    & skf21("3","6","4","5","2","2","1","1") = "5"
    & skf21("3","6","4","5","2","2","2","1") = "5"
    & skf21("3","6","4","5","2","2","3","1") = "5"
    & skf21("3","6","4","5","2","2","4","1") = "5"
    & skf21("3","6","4","5","2","2","5","1") = "5"
    & skf21("3","6","4","5","2","2","6","1") = "5"
    & skf21("3","6","4","5","2","2","7","1") = "6"
    & skf21("3","6","4","5","2","3","1","1") = "5"
    & skf21("3","6","4","5","2","3","2","1") = "5"
    & skf21("3","6","4","5","2","3","3","1") = "5"
    & skf21("3","6","4","5","2","3","4","1") = "5"
    & skf21("3","6","4","5","2","3","5","1") = "5"
    & skf21("3","6","4","5","2","3","6","1") = "5"
    & skf21("3","6","4","5","2","3","7","1") = "6"
    & skf21("3","6","4","5","2","4","1","1") = "5"
    & skf21("3","6","4","5","2","4","2","1") = "5"
    & skf21("3","6","4","5","2","4","3","1") = "5"
    & skf21("3","6","4","5","2","4","4","1") = "5"
    & skf21("3","6","4","5","2","4","5","1") = "5"
    & skf21("3","6","4","5","2","4","6","1") = "5"
    & skf21("3","6","4","5","2","4","7","1") = "6"
    & skf21("3","6","4","5","2","5","1","1") = "5"
    & skf21("3","6","4","5","2","5","2","1") = "5"
    & skf21("3","6","4","5","2","5","3","1") = "5"
    & skf21("3","6","4","5","2","5","4","1") = "5"
    & skf21("3","6","4","5","2","5","5","1") = "5"
    & skf21("3","6","4","5","2","5","6","1") = "5"
    & skf21("3","6","4","5","2","5","7","1") = "6"
    & skf21("3","6","4","5","2","6","1","1") = "5"
    & skf21("3","6","4","5","2","6","2","1") = "5"
    & skf21("3","6","4","5","2","6","3","1") = "5"
    & skf21("3","6","4","5","2","6","4","1") = "5"
    & skf21("3","6","4","5","2","6","5","1") = "5"
    & skf21("3","6","4","5","2","6","6","1") = "5"
    & skf21("3","6","4","5","2","6","7","1") = "6"
    & skf21("3","6","4","5","2","7","1","1") = "6"
    & skf21("3","6","4","5","2","7","2","1") = "6"
    & skf21("3","6","4","5","2","7","3","1") = "6"
    & skf21("3","6","4","5","2","7","4","1") = "6"
    & skf21("3","6","4","5","2","7","5","1") = "6"
    & skf21("3","6","4","5","2","7","6","1") = "6"
    & skf21("3","6","4","5","2","7","7","1") = "6"
    & skf21("3","6","4","5","3","1","1","1") = "5"
    & skf21("3","6","4","5","3","1","2","1") = "5"
    & skf21("3","6","4","5","3","1","3","1") = "5"
    & skf21("3","6","4","5","3","1","4","1") = "5"
    & skf21("3","6","4","5","3","1","5","1") = "5"
    & skf21("3","6","4","5","3","1","6","1") = "5"
    & skf21("3","6","4","5","3","1","7","1") = "6"
    & skf21("3","6","4","5","3","2","1","1") = "5"
    & skf21("3","6","4","5","3","2","2","1") = "5"
    & skf21("3","6","4","5","3","2","3","1") = "5"
    & skf21("3","6","4","5","3","2","4","1") = "5"
    & skf21("3","6","4","5","3","2","5","1") = "5"
    & skf21("3","6","4","5","3","2","6","1") = "5"
    & skf21("3","6","4","5","3","2","7","1") = "6"
    & skf21("3","6","4","5","3","3","1","1") = "5"
    & skf21("3","6","4","5","3","3","2","1") = "5"
    & skf21("3","6","4","5","3","3","3","1") = "5"
    & skf21("3","6","4","5","3","3","4","1") = "5"
    & skf21("3","6","4","5","3","3","5","1") = "5"
    & skf21("3","6","4","5","3","3","6","1") = "5"
    & skf21("3","6","4","5","3","3","7","1") = "6"
    & skf21("3","6","4","5","3","4","1","1") = "5"
    & skf21("3","6","4","5","3","4","2","1") = "5"
    & skf21("3","6","4","5","3","4","3","1") = "5"
    & skf21("3","6","4","5","3","4","4","1") = "5"
    & skf21("3","6","4","5","3","4","5","1") = "5"
    & skf21("3","6","4","5","3","4","6","1") = "5"
    & skf21("3","6","4","5","3","4","7","1") = "6"
    & skf21("3","6","4","5","3","5","1","1") = "5"
    & skf21("3","6","4","5","3","5","2","1") = "5"
    & skf21("3","6","4","5","3","5","3","1") = "5"
    & skf21("3","6","4","5","3","5","4","1") = "5"
    & skf21("3","6","4","5","3","5","5","1") = "5"
    & skf21("3","6","4","5","3","5","6","1") = "5"
    & skf21("3","6","4","5","3","5","7","1") = "6"
    & skf21("3","6","4","5","3","6","1","1") = "5"
    & skf21("3","6","4","5","3","6","2","1") = "5"
    & skf21("3","6","4","5","3","6","3","1") = "5"
    & skf21("3","6","4","5","3","6","4","1") = "5"
    & skf21("3","6","4","5","3","6","5","1") = "5"
    & skf21("3","6","4","5","3","6","6","1") = "5"
    & skf21("3","6","4","5","3","6","7","1") = "6"
    & skf21("3","6","4","5","3","7","1","1") = "6"
    & skf21("3","6","4","5","3","7","2","1") = "6"
    & skf21("3","6","4","5","3","7","3","1") = "6"
    & skf21("3","6","4","5","3","7","4","1") = "6"
    & skf21("3","6","4","5","3","7","5","1") = "6"
    & skf21("3","6","4","5","3","7","6","1") = "6"
    & skf21("3","6","4","5","3","7","7","1") = "6"
    & skf21("3","6","4","5","4","1","1","1") = "5"
    & skf21("3","6","4","5","4","1","2","1") = "5"
    & skf21("3","6","4","5","4","1","3","1") = "5"
    & skf21("3","6","4","5","4","1","4","1") = "5"
    & skf21("3","6","4","5","4","1","5","1") = "5"
    & skf21("3","6","4","5","4","1","6","1") = "5"
    & skf21("3","6","4","5","4","1","7","1") = "6"
    & skf21("3","6","4","5","4","2","1","1") = "5"
    & skf21("3","6","4","5","4","2","2","1") = "5"
    & skf21("3","6","4","5","4","2","3","1") = "5"
    & skf21("3","6","4","5","4","2","4","1") = "5"
    & skf21("3","6","4","5","4","2","5","1") = "5"
    & skf21("3","6","4","5","4","2","6","1") = "5"
    & skf21("3","6","4","5","4","2","7","1") = "6"
    & skf21("3","6","4","5","4","3","1","1") = "5"
    & skf21("3","6","4","5","4","3","2","1") = "5"
    & skf21("3","6","4","5","4","3","3","1") = "5"
    & skf21("3","6","4","5","4","3","4","1") = "5"
    & skf21("3","6","4","5","4","3","5","1") = "5"
    & skf21("3","6","4","5","4","3","6","1") = "5"
    & skf21("3","6","4","5","4","3","7","1") = "6"
    & skf21("3","6","4","5","4","4","1","1") = "5"
    & skf21("3","6","4","5","4","4","2","1") = "5"
    & skf21("3","6","4","5","4","4","3","1") = "5"
    & skf21("3","6","4","5","4","4","4","1") = "5"
    & skf21("3","6","4","5","4","4","5","1") = "5"
    & skf21("3","6","4","5","4","4","6","1") = "5"
    & skf21("3","6","4","5","4","4","7","1") = "6"
    & skf21("3","6","4","5","4","5","1","1") = "5"
    & skf21("3","6","4","5","4","5","2","1") = "5"
    & skf21("3","6","4","5","4","5","3","1") = "5"
    & skf21("3","6","4","5","4","5","4","1") = "5"
    & skf21("3","6","4","5","4","5","5","1") = "5"
    & skf21("3","6","4","5","4","5","6","1") = "5"
    & skf21("3","6","4","5","4","5","7","1") = "6"
    & skf21("3","6","4","5","4","6","1","1") = "5"
    & skf21("3","6","4","5","4","6","2","1") = "5"
    & skf21("3","6","4","5","4","6","3","1") = "5"
    & skf21("3","6","4","5","4","6","4","1") = "5"
    & skf21("3","6","4","5","4","6","5","1") = "5"
    & skf21("3","6","4","5","4","6","6","1") = "5"
    & skf21("3","6","4","5","4","6","7","1") = "6"
    & skf21("3","6","4","5","4","7","1","1") = "6"
    & skf21("3","6","4","5","4","7","2","1") = "6"
    & skf21("3","6","4","5","4","7","3","1") = "6"
    & skf21("3","6","4","5","4","7","4","1") = "6"
    & skf21("3","6","4","5","4","7","5","1") = "6"
    & skf21("3","6","4","5","4","7","6","1") = "6"
    & skf21("3","6","4","5","4","7","7","1") = "6"
    & skf21("3","6","4","5","5","1","1","1") = "5"
    & skf21("3","6","4","5","5","1","2","1") = "5"
    & skf21("3","6","4","5","5","1","3","1") = "5"
    & skf21("3","6","4","5","5","1","4","1") = "5"
    & skf21("3","6","4","5","5","1","5","1") = "5"
    & skf21("3","6","4","5","5","1","6","1") = "5"
    & skf21("3","6","4","5","5","1","7","1") = "6"
    & skf21("3","6","4","5","5","2","1","1") = "5"
    & skf21("3","6","4","5","5","2","2","1") = "5"
    & skf21("3","6","4","5","5","2","3","1") = "5"
    & skf21("3","6","4","5","5","2","4","1") = "5"
    & skf21("3","6","4","5","5","2","5","1") = "5"
    & skf21("3","6","4","5","5","2","6","1") = "5"
    & skf21("3","6","4","5","5","2","7","1") = "6"
    & skf21("3","6","4","5","5","3","1","1") = "5"
    & skf21("3","6","4","5","5","3","2","1") = "5"
    & skf21("3","6","4","5","5","3","3","1") = "5"
    & skf21("3","6","4","5","5","3","4","1") = "5"
    & skf21("3","6","4","5","5","3","5","1") = "5"
    & skf21("3","6","4","5","5","3","6","1") = "5"
    & skf21("3","6","4","5","5","3","7","1") = "6"
    & skf21("3","6","4","5","5","4","1","1") = "5"
    & skf21("3","6","4","5","5","4","2","1") = "5"
    & skf21("3","6","4","5","5","4","3","1") = "5"
    & skf21("3","6","4","5","5","4","4","1") = "5"
    & skf21("3","6","4","5","5","4","5","1") = "5"
    & skf21("3","6","4","5","5","4","6","1") = "5"
    & skf21("3","6","4","5","5","4","7","1") = "6"
    & skf21("3","6","4","5","5","5","1","1") = "5"
    & skf21("3","6","4","5","5","5","2","1") = "5"
    & skf21("3","6","4","5","5","5","3","1") = "5"
    & skf21("3","6","4","5","5","5","4","1") = "5"
    & skf21("3","6","4","5","5","5","5","1") = "5"
    & skf21("3","6","4","5","5","5","6","1") = "5"
    & skf21("3","6","4","5","5","5","7","1") = "6"
    & skf21("3","6","4","5","5","6","1","1") = "5"
    & skf21("3","6","4","5","5","6","2","1") = "5"
    & skf21("3","6","4","5","5","6","3","1") = "5"
    & skf21("3","6","4","5","5","6","4","1") = "5"
    & skf21("3","6","4","5","5","6","5","1") = "5"
    & skf21("3","6","4","5","5","6","6","1") = "5"
    & skf21("3","6","4","5","5","6","7","1") = "6"
    & skf21("3","6","4","5","5","7","1","1") = "6"
    & skf21("3","6","4","5","5","7","2","1") = "6"
    & skf21("3","6","4","5","5","7","3","1") = "6"
    & skf21("3","6","4","5","5","7","4","1") = "6"
    & skf21("3","6","4","5","5","7","5","1") = "6"
    & skf21("3","6","4","5","5","7","6","1") = "6"
    & skf21("3","6","4","5","5","7","7","1") = "6"
    & skf21("3","6","4","5","6","1","1","1") = "5"
    & skf21("3","6","4","5","6","1","2","1") = "5"
    & skf21("3","6","4","5","6","1","3","1") = "5"
    & skf21("3","6","4","5","6","1","4","1") = "5"
    & skf21("3","6","4","5","6","1","5","1") = "5"
    & skf21("3","6","4","5","6","1","6","1") = "5"
    & skf21("3","6","4","5","6","1","7","1") = "6"
    & skf21("3","6","4","5","6","2","1","1") = "5"
    & skf21("3","6","4","5","6","2","2","1") = "5"
    & skf21("3","6","4","5","6","2","3","1") = "5"
    & skf21("3","6","4","5","6","2","4","1") = "5"
    & skf21("3","6","4","5","6","2","5","1") = "5"
    & skf21("3","6","4","5","6","2","6","1") = "5"
    & skf21("3","6","4","5","6","2","7","1") = "6"
    & skf21("3","6","4","5","6","3","1","1") = "5"
    & skf21("3","6","4","5","6","3","2","1") = "5"
    & skf21("3","6","4","5","6","3","3","1") = "5"
    & skf21("3","6","4","5","6","3","4","1") = "5"
    & skf21("3","6","4","5","6","3","5","1") = "5"
    & skf21("3","6","4","5","6","3","6","1") = "5"
    & skf21("3","6","4","5","6","3","7","1") = "6"
    & skf21("3","6","4","5","6","4","1","1") = "5"
    & skf21("3","6","4","5","6","4","2","1") = "5"
    & skf21("3","6","4","5","6","4","3","1") = "5"
    & skf21("3","6","4","5","6","4","4","1") = "5"
    & skf21("3","6","4","5","6","4","5","1") = "5"
    & skf21("3","6","4","5","6","4","6","1") = "5"
    & skf21("3","6","4","5","6","4","7","1") = "6"
    & skf21("3","6","4","5","6","5","1","1") = "5"
    & skf21("3","6","4","5","6","5","2","1") = "5"
    & skf21("3","6","4","5","6","5","3","1") = "5"
    & skf21("3","6","4","5","6","5","4","1") = "5"
    & skf21("3","6","4","5","6","5","5","1") = "5"
    & skf21("3","6","4","5","6","5","6","1") = "5"
    & skf21("3","6","4","5","6","5","7","1") = "6"
    & skf21("3","6","4","5","6","6","1","1") = "5"
    & skf21("3","6","4","5","6","6","2","1") = "5"
    & skf21("3","6","4","5","6","6","3","1") = "5"
    & skf21("3","6","4","5","6","6","4","1") = "5"
    & skf21("3","6","4","5","6","6","5","1") = "5"
    & skf21("3","6","4","5","6","6","6","1") = "5"
    & skf21("3","6","4","5","6","6","7","1") = "6"
    & skf21("3","6","4","5","6","7","1","1") = "6"
    & skf21("3","6","4","5","6","7","2","1") = "6"
    & skf21("3","6","4","5","6","7","3","1") = "6"
    & skf21("3","6","4","5","6","7","4","1") = "6"
    & skf21("3","6","4","5","6","7","5","1") = "6"
    & skf21("3","6","4","5","6","7","6","1") = "6"
    & skf21("3","6","4","5","6","7","7","1") = "6"
    & skf21("3","6","4","5","7","1","1","1") = "6"
    & skf21("3","6","4","5","7","1","2","1") = "6"
    & skf21("3","6","4","5","7","1","3","1") = "6"
    & skf21("3","6","4","5","7","1","4","1") = "6"
    & skf21("3","6","4","5","7","1","5","1") = "6"
    & skf21("3","6","4","5","7","1","6","1") = "6"
    & skf21("3","6","4","5","7","1","7","1") = "6"
    & skf21("3","6","4","5","7","2","1","1") = "6"
    & skf21("3","6","4","5","7","2","2","1") = "6"
    & skf21("3","6","4","5","7","2","3","1") = "6"
    & skf21("3","6","4","5","7","2","4","1") = "6"
    & skf21("3","6","4","5","7","2","5","1") = "6"
    & skf21("3","6","4","5","7","2","6","1") = "6"
    & skf21("3","6","4","5","7","2","7","1") = "6"
    & skf21("3","6","4","5","7","3","1","1") = "6"
    & skf21("3","6","4","5","7","3","2","1") = "6"
    & skf21("3","6","4","5","7","3","3","1") = "6"
    & skf21("3","6","4","5","7","3","4","1") = "6"
    & skf21("3","6","4","5","7","3","5","1") = "6"
    & skf21("3","6","4","5","7","3","6","1") = "6"
    & skf21("3","6","4","5","7","3","7","1") = "6"
    & skf21("3","6","4","5","7","4","1","1") = "6"
    & skf21("3","6","4","5","7","4","2","1") = "6"
    & skf21("3","6","4","5","7","4","3","1") = "6"
    & skf21("3","6","4","5","7","4","4","1") = "6"
    & skf21("3","6","4","5","7","4","5","1") = "6"
    & skf21("3","6","4","5","7","4","6","1") = "6"
    & skf21("3","6","4","5","7","4","7","1") = "6"
    & skf21("3","6","4","5","7","5","1","1") = "6"
    & skf21("3","6","4","5","7","5","2","1") = "6"
    & skf21("3","6","4","5","7","5","3","1") = "6"
    & skf21("3","6","4","5","7","5","4","1") = "6"
    & skf21("3","6","4","5","7","5","5","1") = "6"
    & skf21("3","6","4","5","7","5","6","1") = "6"
    & skf21("3","6","4","5","7","5","7","1") = "6"
    & skf21("3","6","4","5","7","6","1","1") = "6"
    & skf21("3","6","4","5","7","6","2","1") = "6"
    & skf21("3","6","4","5","7","6","3","1") = "6"
    & skf21("3","6","4","5","7","6","4","1") = "6"
    & skf21("3","6","4","5","7","6","5","1") = "6"
    & skf21("3","6","4","5","7","6","6","1") = "6"
    & skf21("3","6","4","5","7","6","7","1") = "6"
    & skf21("3","6","4","5","7","7","1","1") = "6"
    & skf21("3","6","4","5","7","7","2","1") = "6"
    & skf21("3","6","4","5","7","7","3","1") = "6"
    & skf21("3","6","4","5","7","7","4","1") = "6"
    & skf21("3","6","4","5","7","7","5","1") = "6"
    & skf21("3","6","4","5","7","7","6","1") = "6"
    & skf21("3","6","4","5","7","7","7","1") = "6"
    & skf21("3","6","4","6","1","1","1","1") = "5"
    & skf21("3","6","4","6","1","1","2","1") = "5"
    & skf21("3","6","4","6","1","1","3","1") = "5"
    & skf21("3","6","4","6","1","1","4","1") = "5"
    & skf21("3","6","4","6","1","1","5","1") = "5"
    & skf21("3","6","4","6","1","1","6","1") = "5"
    & skf21("3","6","4","6","1","1","7","1") = "6"
    & skf21("3","6","4","6","1","2","1","1") = "5"
    & skf21("3","6","4","6","1","2","2","1") = "5"
    & skf21("3","6","4","6","1","2","3","1") = "5"
    & skf21("3","6","4","6","1","2","4","1") = "5"
    & skf21("3","6","4","6","1","2","5","1") = "5"
    & skf21("3","6","4","6","1","2","6","1") = "5"
    & skf21("3","6","4","6","1","2","7","1") = "6"
    & skf21("3","6","4","6","1","3","1","1") = "5"
    & skf21("3","6","4","6","1","3","2","1") = "5"
    & skf21("3","6","4","6","1","3","3","1") = "5"
    & skf21("3","6","4","6","1","3","4","1") = "5"
    & skf21("3","6","4","6","1","3","5","1") = "5"
    & skf21("3","6","4","6","1","3","6","1") = "5"
    & skf21("3","6","4","6","1","3","7","1") = "6"
    & skf21("3","6","4","6","1","4","1","1") = "5"
    & skf21("3","6","4","6","1","4","2","1") = "5"
    & skf21("3","6","4","6","1","4","3","1") = "5"
    & skf21("3","6","4","6","1","4","4","1") = "5"
    & skf21("3","6","4","6","1","4","5","1") = "5"
    & skf21("3","6","4","6","1","4","6","1") = "5"
    & skf21("3","6","4","6","1","4","7","1") = "6"
    & skf21("3","6","4","6","1","5","1","1") = "5"
    & skf21("3","6","4","6","1","5","2","1") = "5"
    & skf21("3","6","4","6","1","5","3","1") = "5"
    & skf21("3","6","4","6","1","5","4","1") = "5"
    & skf21("3","6","4","6","1","5","5","1") = "5"
    & skf21("3","6","4","6","1","5","6","1") = "5"
    & skf21("3","6","4","6","1","5","7","1") = "6"
    & skf21("3","6","4","6","1","6","1","1") = "5"
    & skf21("3","6","4","6","1","6","2","1") = "5"
    & skf21("3","6","4","6","1","6","3","1") = "5"
    & skf21("3","6","4","6","1","6","4","1") = "5"
    & skf21("3","6","4","6","1","6","5","1") = "5"
    & skf21("3","6","4","6","1","6","6","1") = "5"
    & skf21("3","6","4","6","1","6","7","1") = "6"
    & skf21("3","6","4","6","1","7","1","1") = "6"
    & skf21("3","6","4","6","1","7","2","1") = "6"
    & skf21("3","6","4","6","1","7","3","1") = "6"
    & skf21("3","6","4","6","1","7","4","1") = "6"
    & skf21("3","6","4","6","1","7","5","1") = "6"
    & skf21("3","6","4","6","1","7","6","1") = "6"
    & skf21("3","6","4","6","1","7","7","1") = "6"
    & skf21("3","6","4","6","2","1","1","1") = "5"
    & skf21("3","6","4","6","2","1","2","1") = "5"
    & skf21("3","6","4","6","2","1","3","1") = "5"
    & skf21("3","6","4","6","2","1","4","1") = "5"
    & skf21("3","6","4","6","2","1","5","1") = "5"
    & skf21("3","6","4","6","2","1","6","1") = "5"
    & skf21("3","6","4","6","2","1","7","1") = "6"
    & skf21("3","6","4","6","2","2","1","1") = "5"
    & skf21("3","6","4","6","2","2","2","1") = "5"
    & skf21("3","6","4","6","2","2","3","1") = "5"
    & skf21("3","6","4","6","2","2","4","1") = "5"
    & skf21("3","6","4","6","2","2","5","1") = "5"
    & skf21("3","6","4","6","2","2","6","1") = "5"
    & skf21("3","6","4","6","2","2","7","1") = "6"
    & skf21("3","6","4","6","2","3","1","1") = "5"
    & skf21("3","6","4","6","2","3","2","1") = "5"
    & skf21("3","6","4","6","2","3","3","1") = "5"
    & skf21("3","6","4","6","2","3","4","1") = "5"
    & skf21("3","6","4","6","2","3","5","1") = "5"
    & skf21("3","6","4","6","2","3","6","1") = "5"
    & skf21("3","6","4","6","2","3","7","1") = "6"
    & skf21("3","6","4","6","2","4","1","1") = "5"
    & skf21("3","6","4","6","2","4","2","1") = "5"
    & skf21("3","6","4","6","2","4","3","1") = "5"
    & skf21("3","6","4","6","2","4","4","1") = "5"
    & skf21("3","6","4","6","2","4","5","1") = "5"
    & skf21("3","6","4","6","2","4","6","1") = "5"
    & skf21("3","6","4","6","2","4","7","1") = "6"
    & skf21("3","6","4","6","2","5","1","1") = "5"
    & skf21("3","6","4","6","2","5","2","1") = "5"
    & skf21("3","6","4","6","2","5","3","1") = "5"
    & skf21("3","6","4","6","2","5","4","1") = "5"
    & skf21("3","6","4","6","2","5","5","1") = "5"
    & skf21("3","6","4","6","2","5","6","1") = "5"
    & skf21("3","6","4","6","2","5","7","1") = "6"
    & skf21("3","6","4","6","2","6","1","1") = "5"
    & skf21("3","6","4","6","2","6","2","1") = "5"
    & skf21("3","6","4","6","2","6","3","1") = "5"
    & skf21("3","6","4","6","2","6","4","1") = "5"
    & skf21("3","6","4","6","2","6","5","1") = "5"
    & skf21("3","6","4","6","2","6","6","1") = "5"
    & skf21("3","6","4","6","2","6","7","1") = "6"
    & skf21("3","6","4","6","2","7","1","1") = "6"
    & skf21("3","6","4","6","2","7","2","1") = "6"
    & skf21("3","6","4","6","2","7","3","1") = "6"
    & skf21("3","6","4","6","2","7","4","1") = "6"
    & skf21("3","6","4","6","2","7","5","1") = "6"
    & skf21("3","6","4","6","2","7","6","1") = "6"
    & skf21("3","6","4","6","2","7","7","1") = "6"
    & skf21("3","6","4","6","3","1","1","1") = "5"
    & skf21("3","6","4","6","3","1","2","1") = "5"
    & skf21("3","6","4","6","3","1","3","1") = "5"
    & skf21("3","6","4","6","3","1","4","1") = "5"
    & skf21("3","6","4","6","3","1","5","1") = "5"
    & skf21("3","6","4","6","3","1","6","1") = "5"
    & skf21("3","6","4","6","3","1","7","1") = "6"
    & skf21("3","6","4","6","3","2","1","1") = "5"
    & skf21("3","6","4","6","3","2","2","1") = "5"
    & skf21("3","6","4","6","3","2","3","1") = "5"
    & skf21("3","6","4","6","3","2","4","1") = "5"
    & skf21("3","6","4","6","3","2","5","1") = "5"
    & skf21("3","6","4","6","3","2","6","1") = "5"
    & skf21("3","6","4","6","3","2","7","1") = "6"
    & skf21("3","6","4","6","3","3","1","1") = "5"
    & skf21("3","6","4","6","3","3","2","1") = "5"
    & skf21("3","6","4","6","3","3","3","1") = "5"
    & skf21("3","6","4","6","3","3","4","1") = "5"
    & skf21("3","6","4","6","3","3","5","1") = "5"
    & skf21("3","6","4","6","3","3","6","1") = "5"
    & skf21("3","6","4","6","3","3","7","1") = "6"
    & skf21("3","6","4","6","3","4","1","1") = "5"
    & skf21("3","6","4","6","3","4","2","1") = "5"
    & skf21("3","6","4","6","3","4","3","1") = "5"
    & skf21("3","6","4","6","3","4","4","1") = "5"
    & skf21("3","6","4","6","3","4","5","1") = "5"
    & skf21("3","6","4","6","3","4","6","1") = "5"
    & skf21("3","6","4","6","3","4","7","1") = "6"
    & skf21("3","6","4","6","3","5","1","1") = "5"
    & skf21("3","6","4","6","3","5","2","1") = "5"
    & skf21("3","6","4","6","3","5","3","1") = "5"
    & skf21("3","6","4","6","3","5","4","1") = "5"
    & skf21("3","6","4","6","3","5","5","1") = "5"
    & skf21("3","6","4","6","3","5","6","1") = "5"
    & skf21("3","6","4","6","3","5","7","1") = "6"
    & skf21("3","6","4","6","3","6","1","1") = "5"
    & skf21("3","6","4","6","3","6","2","1") = "5"
    & skf21("3","6","4","6","3","6","3","1") = "5"
    & skf21("3","6","4","6","3","6","4","1") = "5"
    & skf21("3","6","4","6","3","6","5","1") = "5"
    & skf21("3","6","4","6","3","6","6","1") = "5"
    & skf21("3","6","4","6","3","6","7","1") = "6"
    & skf21("3","6","4","6","3","7","1","1") = "6"
    & skf21("3","6","4","6","3","7","2","1") = "6"
    & skf21("3","6","4","6","3","7","3","1") = "6"
    & skf21("3","6","4","6","3","7","4","1") = "6"
    & skf21("3","6","4","6","3","7","5","1") = "6"
    & skf21("3","6","4","6","3","7","6","1") = "6"
    & skf21("3","6","4","6","3","7","7","1") = "6"
    & skf21("3","6","4","6","4","1","1","1") = "5"
    & skf21("3","6","4","6","4","1","2","1") = "5"
    & skf21("3","6","4","6","4","1","3","1") = "5"
    & skf21("3","6","4","6","4","1","4","1") = "5"
    & skf21("3","6","4","6","4","1","5","1") = "5"
    & skf21("3","6","4","6","4","1","6","1") = "5"
    & skf21("3","6","4","6","4","1","7","1") = "6"
    & skf21("3","6","4","6","4","2","1","1") = "5"
    & skf21("3","6","4","6","4","2","2","1") = "5"
    & skf21("3","6","4","6","4","2","3","1") = "5"
    & skf21("3","6","4","6","4","2","4","1") = "5"
    & skf21("3","6","4","6","4","2","5","1") = "5"
    & skf21("3","6","4","6","4","2","6","1") = "5"
    & skf21("3","6","4","6","4","2","7","1") = "6"
    & skf21("3","6","4","6","4","3","1","1") = "5"
    & skf21("3","6","4","6","4","3","2","1") = "5"
    & skf21("3","6","4","6","4","3","3","1") = "5"
    & skf21("3","6","4","6","4","3","4","1") = "5"
    & skf21("3","6","4","6","4","3","5","1") = "5"
    & skf21("3","6","4","6","4","3","6","1") = "5"
    & skf21("3","6","4","6","4","3","7","1") = "6"
    & skf21("3","6","4","6","4","4","1","1") = "5"
    & skf21("3","6","4","6","4","4","2","1") = "5"
    & skf21("3","6","4","6","4","4","3","1") = "5"
    & skf21("3","6","4","6","4","4","4","1") = "5"
    & skf21("3","6","4","6","4","4","5","1") = "5"
    & skf21("3","6","4","6","4","4","6","1") = "5"
    & skf21("3","6","4","6","4","4","7","1") = "6"
    & skf21("3","6","4","6","4","5","1","1") = "5"
    & skf21("3","6","4","6","4","5","2","1") = "5"
    & skf21("3","6","4","6","4","5","3","1") = "5"
    & skf21("3","6","4","6","4","5","4","1") = "5"
    & skf21("3","6","4","6","4","5","5","1") = "5"
    & skf21("3","6","4","6","4","5","6","1") = "5"
    & skf21("3","6","4","6","4","5","7","1") = "6"
    & skf21("3","6","4","6","4","6","1","1") = "5"
    & skf21("3","6","4","6","4","6","2","1") = "5"
    & skf21("3","6","4","6","4","6","3","1") = "5"
    & skf21("3","6","4","6","4","6","4","1") = "5"
    & skf21("3","6","4","6","4","6","5","1") = "5"
    & skf21("3","6","4","6","4","6","6","1") = "5"
    & skf21("3","6","4","6","4","6","7","1") = "6"
    & skf21("3","6","4","6","4","7","1","1") = "6"
    & skf21("3","6","4","6","4","7","2","1") = "6"
    & skf21("3","6","4","6","4","7","3","1") = "6"
    & skf21("3","6","4","6","4","7","4","1") = "6"
    & skf21("3","6","4","6","4","7","5","1") = "6"
    & skf21("3","6","4","6","4","7","6","1") = "6"
    & skf21("3","6","4","6","4","7","7","1") = "6"
    & skf21("3","6","4","6","5","1","1","1") = "5"
    & skf21("3","6","4","6","5","1","2","1") = "5"
    & skf21("3","6","4","6","5","1","3","1") = "5"
    & skf21("3","6","4","6","5","1","4","1") = "5"
    & skf21("3","6","4","6","5","1","5","1") = "5"
    & skf21("3","6","4","6","5","1","6","1") = "5"
    & skf21("3","6","4","6","5","1","7","1") = "6"
    & skf21("3","6","4","6","5","2","1","1") = "5"
    & skf21("3","6","4","6","5","2","2","1") = "5"
    & skf21("3","6","4","6","5","2","3","1") = "5"
    & skf21("3","6","4","6","5","2","4","1") = "5"
    & skf21("3","6","4","6","5","2","5","1") = "5"
    & skf21("3","6","4","6","5","2","6","1") = "5"
    & skf21("3","6","4","6","5","2","7","1") = "6"
    & skf21("3","6","4","6","5","3","1","1") = "5"
    & skf21("3","6","4","6","5","3","2","1") = "5"
    & skf21("3","6","4","6","5","3","3","1") = "5"
    & skf21("3","6","4","6","5","3","4","1") = "5"
    & skf21("3","6","4","6","5","3","5","1") = "5"
    & skf21("3","6","4","6","5","3","6","1") = "5"
    & skf21("3","6","4","6","5","3","7","1") = "6"
    & skf21("3","6","4","6","5","4","1","1") = "5"
    & skf21("3","6","4","6","5","4","2","1") = "5"
    & skf21("3","6","4","6","5","4","3","1") = "5"
    & skf21("3","6","4","6","5","4","4","1") = "5"
    & skf21("3","6","4","6","5","4","5","1") = "5"
    & skf21("3","6","4","6","5","4","6","1") = "5"
    & skf21("3","6","4","6","5","4","7","1") = "6"
    & skf21("3","6","4","6","5","5","1","1") = "5"
    & skf21("3","6","4","6","5","5","2","1") = "5"
    & skf21("3","6","4","6","5","5","3","1") = "5"
    & skf21("3","6","4","6","5","5","4","1") = "5"
    & skf21("3","6","4","6","5","5","5","1") = "5"
    & skf21("3","6","4","6","5","5","6","1") = "5"
    & skf21("3","6","4","6","5","5","7","1") = "6"
    & skf21("3","6","4","6","5","6","1","1") = "5"
    & skf21("3","6","4","6","5","6","2","1") = "5"
    & skf21("3","6","4","6","5","6","3","1") = "5"
    & skf21("3","6","4","6","5","6","4","1") = "5"
    & skf21("3","6","4","6","5","6","5","1") = "5"
    & skf21("3","6","4","6","5","6","6","1") = "5"
    & skf21("3","6","4","6","5","6","7","1") = "6"
    & skf21("3","6","4","6","5","7","1","1") = "6"
    & skf21("3","6","4","6","5","7","2","1") = "6"
    & skf21("3","6","4","6","5","7","3","1") = "6"
    & skf21("3","6","4","6","5","7","4","1") = "6"
    & skf21("3","6","4","6","5","7","5","1") = "6"
    & skf21("3","6","4","6","5","7","6","1") = "6"
    & skf21("3","6","4","6","5","7","7","1") = "6"
    & skf21("3","6","4","6","6","1","1","1") = "5"
    & skf21("3","6","4","6","6","1","2","1") = "5"
    & skf21("3","6","4","6","6","1","3","1") = "5"
    & skf21("3","6","4","6","6","1","4","1") = "5"
    & skf21("3","6","4","6","6","1","5","1") = "5"
    & skf21("3","6","4","6","6","1","6","1") = "5"
    & skf21("3","6","4","6","6","1","7","1") = "6"
    & skf21("3","6","4","6","6","2","1","1") = "5"
    & skf21("3","6","4","6","6","2","2","1") = "5"
    & skf21("3","6","4","6","6","2","3","1") = "5"
    & skf21("3","6","4","6","6","2","4","1") = "5"
    & skf21("3","6","4","6","6","2","5","1") = "5"
    & skf21("3","6","4","6","6","2","6","1") = "5"
    & skf21("3","6","4","6","6","2","7","1") = "6"
    & skf21("3","6","4","6","6","3","1","1") = "5"
    & skf21("3","6","4","6","6","3","2","1") = "5"
    & skf21("3","6","4","6","6","3","3","1") = "5"
    & skf21("3","6","4","6","6","3","4","1") = "5"
    & skf21("3","6","4","6","6","3","5","1") = "5"
    & skf21("3","6","4","6","6","3","6","1") = "5"
    & skf21("3","6","4","6","6","3","7","1") = "6"
    & skf21("3","6","4","6","6","4","1","1") = "5"
    & skf21("3","6","4","6","6","4","2","1") = "5"
    & skf21("3","6","4","6","6","4","3","1") = "5"
    & skf21("3","6","4","6","6","4","4","1") = "5"
    & skf21("3","6","4","6","6","4","5","1") = "5"
    & skf21("3","6","4","6","6","4","6","1") = "5"
    & skf21("3","6","4","6","6","4","7","1") = "6"
    & skf21("3","6","4","6","6","5","1","1") = "5"
    & skf21("3","6","4","6","6","5","2","1") = "5"
    & skf21("3","6","4","6","6","5","3","1") = "5"
    & skf21("3","6","4","6","6","5","4","1") = "5"
    & skf21("3","6","4","6","6","5","5","1") = "5"
    & skf21("3","6","4","6","6","5","6","1") = "5"
    & skf21("3","6","4","6","6","5","7","1") = "6"
    & skf21("3","6","4","6","6","6","1","1") = "5"
    & skf21("3","6","4","6","6","6","2","1") = "5"
    & skf21("3","6","4","6","6","6","3","1") = "5"
    & skf21("3","6","4","6","6","6","4","1") = "5"
    & skf21("3","6","4","6","6","6","5","1") = "5"
    & skf21("3","6","4","6","6","6","6","1") = "5"
    & skf21("3","6","4","6","6","6","7","1") = "6"
    & skf21("3","6","4","6","6","7","1","1") = "6"
    & skf21("3","6","4","6","6","7","2","1") = "6"
    & skf21("3","6","4","6","6","7","3","1") = "6"
    & skf21("3","6","4","6","6","7","4","1") = "6"
    & skf21("3","6","4","6","6","7","5","1") = "6"
    & skf21("3","6","4","6","6","7","6","1") = "6"
    & skf21("3","6","4","6","6","7","7","1") = "6"
    & skf21("3","6","4","6","7","1","1","1") = "6"
    & skf21("3","6","4","6","7","1","2","1") = "6"
    & skf21("3","6","4","6","7","1","3","1") = "6"
    & skf21("3","6","4","6","7","1","4","1") = "6"
    & skf21("3","6","4","6","7","1","5","1") = "6"
    & skf21("3","6","4","6","7","1","6","1") = "6"
    & skf21("3","6","4","6","7","1","7","1") = "6"
    & skf21("3","6","4","6","7","2","1","1") = "6"
    & skf21("3","6","4","6","7","2","2","1") = "6"
    & skf21("3","6","4","6","7","2","3","1") = "6"
    & skf21("3","6","4","6","7","2","4","1") = "6"
    & skf21("3","6","4","6","7","2","5","1") = "6"
    & skf21("3","6","4","6","7","2","6","1") = "6"
    & skf21("3","6","4","6","7","2","7","1") = "6"
    & skf21("3","6","4","6","7","3","1","1") = "6"
    & skf21("3","6","4","6","7","3","2","1") = "6"
    & skf21("3","6","4","6","7","3","3","1") = "6"
    & skf21("3","6","4","6","7","3","4","1") = "6"
    & skf21("3","6","4","6","7","3","5","1") = "6"
    & skf21("3","6","4","6","7","3","6","1") = "6"
    & skf21("3","6","4","6","7","3","7","1") = "6"
    & skf21("3","6","4","6","7","4","1","1") = "6"
    & skf21("3","6","4","6","7","4","2","1") = "6"
    & skf21("3","6","4","6","7","4","3","1") = "6"
    & skf21("3","6","4","6","7","4","4","1") = "6"
    & skf21("3","6","4","6","7","4","5","1") = "6"
    & skf21("3","6","4","6","7","4","6","1") = "6"
    & skf21("3","6","4","6","7","4","7","1") = "6"
    & skf21("3","6","4","6","7","5","1","1") = "6"
    & skf21("3","6","4","6","7","5","2","1") = "6"
    & skf21("3","6","4","6","7","5","3","1") = "6"
    & skf21("3","6","4","6","7","5","4","1") = "6"
    & skf21("3","6","4","6","7","5","5","1") = "6"
    & skf21("3","6","4","6","7","5","6","1") = "6"
    & skf21("3","6","4","6","7","5","7","1") = "6"
    & skf21("3","6","4","6","7","6","1","1") = "6"
    & skf21("3","6","4","6","7","6","2","1") = "6"
    & skf21("3","6","4","6","7","6","3","1") = "6"
    & skf21("3","6","4","6","7","6","4","1") = "6"
    & skf21("3","6","4","6","7","6","5","1") = "6"
    & skf21("3","6","4","6","7","6","6","1") = "6"
    & skf21("3","6","4","6","7","6","7","1") = "6"
    & skf21("3","6","4","6","7","7","1","1") = "6"
    & skf21("3","6","4","6","7","7","2","1") = "6"
    & skf21("3","6","4","6","7","7","3","1") = "6"
    & skf21("3","6","4","6","7","7","4","1") = "6"
    & skf21("3","6","4","6","7","7","5","1") = "6"
    & skf21("3","6","4","6","7","7","6","1") = "6"
    & skf21("3","6","4","6","7","7","7","1") = "6"
    & skf21("3","6","4","7","1","1","1","1") = "6"
    & skf21("3","6","4","7","1","1","2","1") = "6"
    & skf21("3","6","4","7","1","1","3","1") = "6"
    & skf21("3","6","4","7","1","1","4","1") = "6"
    & skf21("3","6","4","7","1","1","5","1") = "6"
    & skf21("3","6","4","7","1","1","6","1") = "6"
    & skf21("3","6","4","7","1","1","7","1") = "6"
    & skf21("3","6","4","7","1","2","1","1") = "6"
    & skf21("3","6","4","7","1","2","2","1") = "6"
    & skf21("3","6","4","7","1","2","3","1") = "6"
    & skf21("3","6","4","7","1","2","4","1") = "6"
    & skf21("3","6","4","7","1","2","5","1") = "6"
    & skf21("3","6","4","7","1","2","6","1") = "6"
    & skf21("3","6","4","7","1","2","7","1") = "6"
    & skf21("3","6","4","7","1","3","1","1") = "6"
    & skf21("3","6","4","7","1","3","2","1") = "6"
    & skf21("3","6","4","7","1","3","3","1") = "6"
    & skf21("3","6","4","7","1","3","4","1") = "6"
    & skf21("3","6","4","7","1","3","5","1") = "6"
    & skf21("3","6","4","7","1","3","6","1") = "6"
    & skf21("3","6","4","7","1","3","7","1") = "6"
    & skf21("3","6","4","7","1","4","1","1") = "6"
    & skf21("3","6","4","7","1","4","2","1") = "6"
    & skf21("3","6","4","7","1","4","3","1") = "6"
    & skf21("3","6","4","7","1","4","4","1") = "6"
    & skf21("3","6","4","7","1","4","5","1") = "6"
    & skf21("3","6","4","7","1","4","6","1") = "6"
    & skf21("3","6","4","7","1","4","7","1") = "6"
    & skf21("3","6","4","7","1","5","1","1") = "6"
    & skf21("3","6","4","7","1","5","2","1") = "6"
    & skf21("3","6","4","7","1","5","3","1") = "6"
    & skf21("3","6","4","7","1","5","4","1") = "6"
    & skf21("3","6","4","7","1","5","5","1") = "6"
    & skf21("3","6","4","7","1","5","6","1") = "6"
    & skf21("3","6","4","7","1","5","7","1") = "6"
    & skf21("3","6","4","7","1","6","1","1") = "6"
    & skf21("3","6","4","7","1","6","2","1") = "6"
    & skf21("3","6","4","7","1","6","3","1") = "6"
    & skf21("3","6","4","7","1","6","4","1") = "6"
    & skf21("3","6","4","7","1","6","5","1") = "6"
    & skf21("3","6","4","7","1","6","6","1") = "6"
    & skf21("3","6","4","7","1","6","7","1") = "6"
    & skf21("3","6","4","7","1","7","1","1") = "6"
    & skf21("3","6","4","7","1","7","2","1") = "6"
    & skf21("3","6","4","7","1","7","3","1") = "6"
    & skf21("3","6","4","7","1","7","4","1") = "6"
    & skf21("3","6","4","7","1","7","5","1") = "6"
    & skf21("3","6","4","7","1","7","6","1") = "6"
    & skf21("3","6","4","7","1","7","7","1") = "6"
    & skf21("3","6","4","7","2","1","1","1") = "6"
    & skf21("3","6","4","7","2","1","2","1") = "6"
    & skf21("3","6","4","7","2","1","3","1") = "6"
    & skf21("3","6","4","7","2","1","4","1") = "6"
    & skf21("3","6","4","7","2","1","5","1") = "6"
    & skf21("3","6","4","7","2","1","6","1") = "6"
    & skf21("3","6","4","7","2","1","7","1") = "6"
    & skf21("3","6","4","7","2","2","1","1") = "6"
    & skf21("3","6","4","7","2","2","2","1") = "6"
    & skf21("3","6","4","7","2","2","3","1") = "6"
    & skf21("3","6","4","7","2","2","4","1") = "6"
    & skf21("3","6","4","7","2","2","5","1") = "6"
    & skf21("3","6","4","7","2","2","6","1") = "6"
    & skf21("3","6","4","7","2","2","7","1") = "6"
    & skf21("3","6","4","7","2","3","1","1") = "6"
    & skf21("3","6","4","7","2","3","2","1") = "6"
    & skf21("3","6","4","7","2","3","3","1") = "6"
    & skf21("3","6","4","7","2","3","4","1") = "6"
    & skf21("3","6","4","7","2","3","5","1") = "6"
    & skf21("3","6","4","7","2","3","6","1") = "6"
    & skf21("3","6","4","7","2","3","7","1") = "6"
    & skf21("3","6","4","7","2","4","1","1") = "6"
    & skf21("3","6","4","7","2","4","2","1") = "6"
    & skf21("3","6","4","7","2","4","3","1") = "6"
    & skf21("3","6","4","7","2","4","4","1") = "6"
    & skf21("3","6","4","7","2","4","5","1") = "6"
    & skf21("3","6","4","7","2","4","6","1") = "6"
    & skf21("3","6","4","7","2","4","7","1") = "6"
    & skf21("3","6","4","7","2","5","1","1") = "6"
    & skf21("3","6","4","7","2","5","2","1") = "6"
    & skf21("3","6","4","7","2","5","3","1") = "6"
    & skf21("3","6","4","7","2","5","4","1") = "6"
    & skf21("3","6","4","7","2","5","5","1") = "6"
    & skf21("3","6","4","7","2","5","6","1") = "6"
    & skf21("3","6","4","7","2","5","7","1") = "6"
    & skf21("3","6","4","7","2","6","1","1") = "6"
    & skf21("3","6","4","7","2","6","2","1") = "6"
    & skf21("3","6","4","7","2","6","3","1") = "6"
    & skf21("3","6","4","7","2","6","4","1") = "6"
    & skf21("3","6","4","7","2","6","5","1") = "6"
    & skf21("3","6","4","7","2","6","6","1") = "6"
    & skf21("3","6","4","7","2","6","7","1") = "6"
    & skf21("3","6","4","7","2","7","1","1") = "6"
    & skf21("3","6","4","7","2","7","2","1") = "6"
    & skf21("3","6","4","7","2","7","3","1") = "6"
    & skf21("3","6","4","7","2","7","4","1") = "6"
    & skf21("3","6","4","7","2","7","5","1") = "6"
    & skf21("3","6","4","7","2","7","6","1") = "6"
    & skf21("3","6","4","7","2","7","7","1") = "6"
    & skf21("3","6","4","7","3","1","1","1") = "6"
    & skf21("3","6","4","7","3","1","2","1") = "6"
    & skf21("3","6","4","7","3","1","3","1") = "6"
    & skf21("3","6","4","7","3","1","4","1") = "6"
    & skf21("3","6","4","7","3","1","5","1") = "6"
    & skf21("3","6","4","7","3","1","6","1") = "6"
    & skf21("3","6","4","7","3","1","7","1") = "6"
    & skf21("3","6","4","7","3","2","1","1") = "6"
    & skf21("3","6","4","7","3","2","2","1") = "6"
    & skf21("3","6","4","7","3","2","3","1") = "6"
    & skf21("3","6","4","7","3","2","4","1") = "6"
    & skf21("3","6","4","7","3","2","5","1") = "6"
    & skf21("3","6","4","7","3","2","6","1") = "6"
    & skf21("3","6","4","7","3","2","7","1") = "6"
    & skf21("3","6","4","7","3","3","1","1") = "6"
    & skf21("3","6","4","7","3","3","2","1") = "6"
    & skf21("3","6","4","7","3","3","3","1") = "6"
    & skf21("3","6","4","7","3","3","4","1") = "6"
    & skf21("3","6","4","7","3","3","5","1") = "6"
    & skf21("3","6","4","7","3","3","6","1") = "6"
    & skf21("3","6","4","7","3","3","7","1") = "6"
    & skf21("3","6","4","7","3","4","1","1") = "6"
    & skf21("3","6","4","7","3","4","2","1") = "6"
    & skf21("3","6","4","7","3","4","3","1") = "6"
    & skf21("3","6","4","7","3","4","4","1") = "6"
    & skf21("3","6","4","7","3","4","5","1") = "6"
    & skf21("3","6","4","7","3","4","6","1") = "6"
    & skf21("3","6","4","7","3","4","7","1") = "6"
    & skf21("3","6","4","7","3","5","1","1") = "6"
    & skf21("3","6","4","7","3","5","2","1") = "6"
    & skf21("3","6","4","7","3","5","3","1") = "6"
    & skf21("3","6","4","7","3","5","4","1") = "6"
    & skf21("3","6","4","7","3","5","5","1") = "6"
    & skf21("3","6","4","7","3","5","6","1") = "6"
    & skf21("3","6","4","7","3","5","7","1") = "6"
    & skf21("3","6","4","7","3","6","1","1") = "6"
    & skf21("3","6","4","7","3","6","2","1") = "6"
    & skf21("3","6","4","7","3","6","3","1") = "6"
    & skf21("3","6","4","7","3","6","4","1") = "6"
    & skf21("3","6","4","7","3","6","5","1") = "6"
    & skf21("3","6","4","7","3","6","6","1") = "6"
    & skf21("3","6","4","7","3","6","7","1") = "6"
    & skf21("3","6","4","7","3","7","1","1") = "6"
    & skf21("3","6","4","7","3","7","2","1") = "6"
    & skf21("3","6","4","7","3","7","3","1") = "6"
    & skf21("3","6","4","7","3","7","4","1") = "6"
    & skf21("3","6","4","7","3","7","5","1") = "6"
    & skf21("3","6","4","7","3","7","6","1") = "6"
    & skf21("3","6","4","7","3","7","7","1") = "6"
    & skf21("3","6","4","7","4","1","1","1") = "6"
    & skf21("3","6","4","7","4","1","2","1") = "6"
    & skf21("3","6","4","7","4","1","3","1") = "6"
    & skf21("3","6","4","7","4","1","4","1") = "6"
    & skf21("3","6","4","7","4","1","5","1") = "6"
    & skf21("3","6","4","7","4","1","6","1") = "6"
    & skf21("3","6","4","7","4","1","7","1") = "6"
    & skf21("3","6","4","7","4","2","1","1") = "6"
    & skf21("3","6","4","7","4","2","2","1") = "6"
    & skf21("3","6","4","7","4","2","3","1") = "6"
    & skf21("3","6","4","7","4","2","4","1") = "6"
    & skf21("3","6","4","7","4","2","5","1") = "6"
    & skf21("3","6","4","7","4","2","6","1") = "6"
    & skf21("3","6","4","7","4","2","7","1") = "6"
    & skf21("3","6","4","7","4","3","1","1") = "6"
    & skf21("3","6","4","7","4","3","2","1") = "6"
    & skf21("3","6","4","7","4","3","3","1") = "6"
    & skf21("3","6","4","7","4","3","4","1") = "6"
    & skf21("3","6","4","7","4","3","5","1") = "6"
    & skf21("3","6","4","7","4","3","6","1") = "6"
    & skf21("3","6","4","7","4","3","7","1") = "6"
    & skf21("3","6","4","7","4","4","1","1") = "6"
    & skf21("3","6","4","7","4","4","2","1") = "6"
    & skf21("3","6","4","7","4","4","3","1") = "6"
    & skf21("3","6","4","7","4","4","4","1") = "6"
    & skf21("3","6","4","7","4","4","5","1") = "6"
    & skf21("3","6","4","7","4","4","6","1") = "6"
    & skf21("3","6","4","7","4","4","7","1") = "6"
    & skf21("3","6","4","7","4","5","1","1") = "6"
    & skf21("3","6","4","7","4","5","2","1") = "6"
    & skf21("3","6","4","7","4","5","3","1") = "6"
    & skf21("3","6","4","7","4","5","4","1") = "6"
    & skf21("3","6","4","7","4","5","5","1") = "6"
    & skf21("3","6","4","7","4","5","6","1") = "6"
    & skf21("3","6","4","7","4","5","7","1") = "6"
    & skf21("3","6","4","7","4","6","1","1") = "6"
    & skf21("3","6","4","7","4","6","2","1") = "6"
    & skf21("3","6","4","7","4","6","3","1") = "6"
    & skf21("3","6","4","7","4","6","4","1") = "6"
    & skf21("3","6","4","7","4","6","5","1") = "6"
    & skf21("3","6","4","7","4","6","6","1") = "6"
    & skf21("3","6","4","7","4","6","7","1") = "6"
    & skf21("3","6","4","7","4","7","1","1") = "6"
    & skf21("3","6","4","7","4","7","2","1") = "6"
    & skf21("3","6","4","7","4","7","3","1") = "6"
    & skf21("3","6","4","7","4","7","4","1") = "6"
    & skf21("3","6","4","7","4","7","5","1") = "6"
    & skf21("3","6","4","7","4","7","6","1") = "6"
    & skf21("3","6","4","7","4","7","7","1") = "6"
    & skf21("3","6","4","7","5","1","1","1") = "6"
    & skf21("3","6","4","7","5","1","2","1") = "6"
    & skf21("3","6","4","7","5","1","3","1") = "6"
    & skf21("3","6","4","7","5","1","4","1") = "6"
    & skf21("3","6","4","7","5","1","5","1") = "6"
    & skf21("3","6","4","7","5","1","6","1") = "6"
    & skf21("3","6","4","7","5","1","7","1") = "6"
    & skf21("3","6","4","7","5","2","1","1") = "6"
    & skf21("3","6","4","7","5","2","2","1") = "6"
    & skf21("3","6","4","7","5","2","3","1") = "6"
    & skf21("3","6","4","7","5","2","4","1") = "6"
    & skf21("3","6","4","7","5","2","5","1") = "6"
    & skf21("3","6","4","7","5","2","6","1") = "6"
    & skf21("3","6","4","7","5","2","7","1") = "6"
    & skf21("3","6","4","7","5","3","1","1") = "6"
    & skf21("3","6","4","7","5","3","2","1") = "6"
    & skf21("3","6","4","7","5","3","3","1") = "6"
    & skf21("3","6","4","7","5","3","4","1") = "6"
    & skf21("3","6","4","7","5","3","5","1") = "6"
    & skf21("3","6","4","7","5","3","6","1") = "6"
    & skf21("3","6","4","7","5","3","7","1") = "6"
    & skf21("3","6","4","7","5","4","1","1") = "6"
    & skf21("3","6","4","7","5","4","2","1") = "6"
    & skf21("3","6","4","7","5","4","3","1") = "6"
    & skf21("3","6","4","7","5","4","4","1") = "6"
    & skf21("3","6","4","7","5","4","5","1") = "6"
    & skf21("3","6","4","7","5","4","6","1") = "6"
    & skf21("3","6","4","7","5","4","7","1") = "6"
    & skf21("3","6","4","7","5","5","1","1") = "6"
    & skf21("3","6","4","7","5","5","2","1") = "6"
    & skf21("3","6","4","7","5","5","3","1") = "6"
    & skf21("3","6","4","7","5","5","4","1") = "6"
    & skf21("3","6","4","7","5","5","5","1") = "6"
    & skf21("3","6","4","7","5","5","6","1") = "6"
    & skf21("3","6","4","7","5","5","7","1") = "6"
    & skf21("3","6","4","7","5","6","1","1") = "6"
    & skf21("3","6","4","7","5","6","2","1") = "6"
    & skf21("3","6","4","7","5","6","3","1") = "6"
    & skf21("3","6","4","7","5","6","4","1") = "6"
    & skf21("3","6","4","7","5","6","5","1") = "6"
    & skf21("3","6","4","7","5","6","6","1") = "6"
    & skf21("3","6","4","7","5","6","7","1") = "6"
    & skf21("3","6","4","7","5","7","1","1") = "6"
    & skf21("3","6","4","7","5","7","2","1") = "6"
    & skf21("3","6","4","7","5","7","3","1") = "6"
    & skf21("3","6","4","7","5","7","4","1") = "6"
    & skf21("3","6","4","7","5","7","5","1") = "6"
    & skf21("3","6","4","7","5","7","6","1") = "6"
    & skf21("3","6","4","7","5","7","7","1") = "6"
    & skf21("3","6","4","7","6","1","1","1") = "6"
    & skf21("3","6","4","7","6","1","2","1") = "6"
    & skf21("3","6","4","7","6","1","3","1") = "6"
    & skf21("3","6","4","7","6","1","4","1") = "6"
    & skf21("3","6","4","7","6","1","5","1") = "6"
    & skf21("3","6","4","7","6","1","6","1") = "6"
    & skf21("3","6","4","7","6","1","7","1") = "6"
    & skf21("3","6","4","7","6","2","1","1") = "6"
    & skf21("3","6","4","7","6","2","2","1") = "6"
    & skf21("3","6","4","7","6","2","3","1") = "6"
    & skf21("3","6","4","7","6","2","4","1") = "6"
    & skf21("3","6","4","7","6","2","5","1") = "6"
    & skf21("3","6","4","7","6","2","6","1") = "6"
    & skf21("3","6","4","7","6","2","7","1") = "6"
    & skf21("3","6","4","7","6","3","1","1") = "6"
    & skf21("3","6","4","7","6","3","2","1") = "6"
    & skf21("3","6","4","7","6","3","3","1") = "6"
    & skf21("3","6","4","7","6","3","4","1") = "6"
    & skf21("3","6","4","7","6","3","5","1") = "6"
    & skf21("3","6","4","7","6","3","6","1") = "6"
    & skf21("3","6","4","7","6","3","7","1") = "6"
    & skf21("3","6","4","7","6","4","1","1") = "6"
    & skf21("3","6","4","7","6","4","2","1") = "6"
    & skf21("3","6","4","7","6","4","3","1") = "6"
    & skf21("3","6","4","7","6","4","4","1") = "6"
    & skf21("3","6","4","7","6","4","5","1") = "6"
    & skf21("3","6","4","7","6","4","6","1") = "6"
    & skf21("3","6","4","7","6","4","7","1") = "6"
    & skf21("3","6","4","7","6","5","1","1") = "6"
    & skf21("3","6","4","7","6","5","2","1") = "6"
    & skf21("3","6","4","7","6","5","3","1") = "6"
    & skf21("3","6","4","7","6","5","4","1") = "6"
    & skf21("3","6","4","7","6","5","5","1") = "6"
    & skf21("3","6","4","7","6","5","6","1") = "6"
    & skf21("3","6","4","7","6","5","7","1") = "6"
    & skf21("3","6","4","7","6","6","1","1") = "6"
    & skf21("3","6","4","7","6","6","2","1") = "6"
    & skf21("3","6","4","7","6","6","3","1") = "6"
    & skf21("3","6","4","7","6","6","4","1") = "6"
    & skf21("3","6","4","7","6","6","5","1") = "6"
    & skf21("3","6","4","7","6","6","6","1") = "6"
    & skf21("3","6","4","7","6","6","7","1") = "6"
    & skf21("3","6","4","7","6","7","1","1") = "6"
    & skf21("3","6","4","7","6","7","2","1") = "6"
    & skf21("3","6","4","7","6","7","3","1") = "6"
    & skf21("3","6","4","7","6","7","4","1") = "6"
    & skf21("3","6","4","7","6","7","5","1") = "6"
    & skf21("3","6","4","7","6","7","6","1") = "6"
    & skf21("3","6","4","7","6","7","7","1") = "6"
    & skf21("3","6","4","7","7","1","1","1") = "6"
    & skf21("3","6","4","7","7","1","2","1") = "6"
    & skf21("3","6","4","7","7","1","3","1") = "6"
    & skf21("3","6","4","7","7","1","4","1") = "6"
    & skf21("3","6","4","7","7","1","5","1") = "6"
    & skf21("3","6","4","7","7","1","6","1") = "6"
    & skf21("3","6","4","7","7","1","7","1") = "6"
    & skf21("3","6","4","7","7","2","1","1") = "6"
    & skf21("3","6","4","7","7","2","2","1") = "6"
    & skf21("3","6","4","7","7","2","3","1") = "6"
    & skf21("3","6","4","7","7","2","4","1") = "6"
    & skf21("3","6","4","7","7","2","5","1") = "6"
    & skf21("3","6","4","7","7","2","6","1") = "6"
    & skf21("3","6","4","7","7","2","7","1") = "6"
    & skf21("3","6","4","7","7","3","1","1") = "6"
    & skf21("3","6","4","7","7","3","2","1") = "6"
    & skf21("3","6","4","7","7","3","3","1") = "6"
    & skf21("3","6","4","7","7","3","4","1") = "6"
    & skf21("3","6","4","7","7","3","5","1") = "6"
    & skf21("3","6","4","7","7","3","6","1") = "6"
    & skf21("3","6","4","7","7","3","7","1") = "6"
    & skf21("3","6","4","7","7","4","1","1") = "6"
    & skf21("3","6","4","7","7","4","2","1") = "6"
    & skf21("3","6","4","7","7","4","3","1") = "6"
    & skf21("3","6","4","7","7","4","4","1") = "6"
    & skf21("3","6","4","7","7","4","5","1") = "6"
    & skf21("3","6","4","7","7","4","6","1") = "6"
    & skf21("3","6","4","7","7","4","7","1") = "6"
    & skf21("3","6","4","7","7","5","1","1") = "6"
    & skf21("3","6","4","7","7","5","2","1") = "6"
    & skf21("3","6","4","7","7","5","3","1") = "6"
    & skf21("3","6","4","7","7","5","4","1") = "6"
    & skf21("3","6","4","7","7","5","5","1") = "6"
    & skf21("3","6","4","7","7","5","6","1") = "6"
    & skf21("3","6","4","7","7","5","7","1") = "6"
    & skf21("3","6","4","7","7","6","1","1") = "6"
    & skf21("3","6","4","7","7","6","2","1") = "6"
    & skf21("3","6","4","7","7","6","3","1") = "6"
    & skf21("3","6","4","7","7","6","4","1") = "6"
    & skf21("3","6","4","7","7","6","5","1") = "6"
    & skf21("3","6","4","7","7","6","6","1") = "6"
    & skf21("3","6","4","7","7","6","7","1") = "6"
    & skf21("3","6","4","7","7","7","1","1") = "6"
    & skf21("3","6","4","7","7","7","2","1") = "6"
    & skf21("3","6","4","7","7","7","3","1") = "6"
    & skf21("3","6","4","7","7","7","4","1") = "6"
    & skf21("3","6","4","7","7","7","5","1") = "6"
    & skf21("3","6","4","7","7","7","6","1") = "6"
    & skf21("3","6","4","7","7","7","7","1") = "6"
    & skf21("3","6","5","1","1","1","1","1") = "5"
    & skf21("3","6","5","1","1","1","2","1") = "5"
    & skf21("3","6","5","1","1","1","3","1") = "5"
    & skf21("3","6","5","1","1","1","4","1") = "5"
    & skf21("3","6","5","1","1","1","5","1") = "5"
    & skf21("3","6","5","1","1","1","6","1") = "5"
    & skf21("3","6","5","1","1","1","7","1") = "6"
    & skf21("3","6","5","1","1","2","1","1") = "5"
    & skf21("3","6","5","1","1","2","2","1") = "5"
    & skf21("3","6","5","1","1","2","3","1") = "5"
    & skf21("3","6","5","1","1","2","4","1") = "5"
    & skf21("3","6","5","1","1","2","5","1") = "5"
    & skf21("3","6","5","1","1","2","6","1") = "5"
    & skf21("3","6","5","1","1","2","7","1") = "6"
    & skf21("3","6","5","1","1","3","1","1") = "5"
    & skf21("3","6","5","1","1","3","2","1") = "5"
    & skf21("3","6","5","1","1","3","3","1") = "5"
    & skf21("3","6","5","1","1","3","4","1") = "5"
    & skf21("3","6","5","1","1","3","5","1") = "5"
    & skf21("3","6","5","1","1","3","6","1") = "5"
    & skf21("3","6","5","1","1","3","7","1") = "6"
    & skf21("3","6","5","1","1","4","1","1") = "5"
    & skf21("3","6","5","1","1","4","2","1") = "5"
    & skf21("3","6","5","1","1","4","3","1") = "5"
    & skf21("3","6","5","1","1","4","4","1") = "5"
    & skf21("3","6","5","1","1","4","5","1") = "5"
    & skf21("3","6","5","1","1","4","6","1") = "5"
    & skf21("3","6","5","1","1","4","7","1") = "6"
    & skf21("3","6","5","1","1","5","1","1") = "5"
    & skf21("3","6","5","1","1","5","2","1") = "5"
    & skf21("3","6","5","1","1","5","3","1") = "5"
    & skf21("3","6","5","1","1","5","4","1") = "5"
    & skf21("3","6","5","1","1","5","5","1") = "5"
    & skf21("3","6","5","1","1","5","6","1") = "5"
    & skf21("3","6","5","1","1","5","7","1") = "6"
    & skf21("3","6","5","1","1","6","1","1") = "5"
    & skf21("3","6","5","1","1","6","2","1") = "5"
    & skf21("3","6","5","1","1","6","3","1") = "5"
    & skf21("3","6","5","1","1","6","4","1") = "5"
    & skf21("3","6","5","1","1","6","5","1") = "5"
    & skf21("3","6","5","1","1","6","6","1") = "5"
    & skf21("3","6","5","1","1","6","7","1") = "6"
    & skf21("3","6","5","1","1","7","1","1") = "6"
    & skf21("3","6","5","1","1","7","2","1") = "6"
    & skf21("3","6","5","1","1","7","3","1") = "6"
    & skf21("3","6","5","1","1","7","4","1") = "6"
    & skf21("3","6","5","1","1","7","5","1") = "6"
    & skf21("3","6","5","1","1","7","6","1") = "6"
    & skf21("3","6","5","1","1","7","7","1") = "6"
    & skf21("3","6","5","1","2","1","1","1") = "5"
    & skf21("3","6","5","1","2","1","2","1") = "5"
    & skf21("3","6","5","1","2","1","3","1") = "5"
    & skf21("3","6","5","1","2","1","4","1") = "5"
    & skf21("3","6","5","1","2","1","5","1") = "5"
    & skf21("3","6","5","1","2","1","6","1") = "5"
    & skf21("3","6","5","1","2","1","7","1") = "6"
    & skf21("3","6","5","1","2","2","1","1") = "5"
    & skf21("3","6","5","1","2","2","2","1") = "5"
    & skf21("3","6","5","1","2","2","3","1") = "5"
    & skf21("3","6","5","1","2","2","4","1") = "5"
    & skf21("3","6","5","1","2","2","5","1") = "5"
    & skf21("3","6","5","1","2","2","6","1") = "5"
    & skf21("3","6","5","1","2","2","7","1") = "6"
    & skf21("3","6","5","1","2","3","1","1") = "5"
    & skf21("3","6","5","1","2","3","2","1") = "5"
    & skf21("3","6","5","1","2","3","3","1") = "5"
    & skf21("3","6","5","1","2","3","4","1") = "5"
    & skf21("3","6","5","1","2","3","5","1") = "5"
    & skf21("3","6","5","1","2","3","6","1") = "5"
    & skf21("3","6","5","1","2","3","7","1") = "6"
    & skf21("3","6","5","1","2","4","1","1") = "5"
    & skf21("3","6","5","1","2","4","2","1") = "5"
    & skf21("3","6","5","1","2","4","3","1") = "5"
    & skf21("3","6","5","1","2","4","4","1") = "5"
    & skf21("3","6","5","1","2","4","5","1") = "5"
    & skf21("3","6","5","1","2","4","6","1") = "5"
    & skf21("3","6","5","1","2","4","7","1") = "6"
    & skf21("3","6","5","1","2","5","1","1") = "5"
    & skf21("3","6","5","1","2","5","2","1") = "5"
    & skf21("3","6","5","1","2","5","3","1") = "5"
    & skf21("3","6","5","1","2","5","4","1") = "5"
    & skf21("3","6","5","1","2","5","5","1") = "5"
    & skf21("3","6","5","1","2","5","6","1") = "5"
    & skf21("3","6","5","1","2","5","7","1") = "6"
    & skf21("3","6","5","1","2","6","1","1") = "5"
    & skf21("3","6","5","1","2","6","2","1") = "5"
    & skf21("3","6","5","1","2","6","3","1") = "5"
    & skf21("3","6","5","1","2","6","4","1") = "5"
    & skf21("3","6","5","1","2","6","5","1") = "5"
    & skf21("3","6","5","1","2","6","6","1") = "5"
    & skf21("3","6","5","1","2","6","7","1") = "6"
    & skf21("3","6","5","1","2","7","1","1") = "6"
    & skf21("3","6","5","1","2","7","2","1") = "6"
    & skf21("3","6","5","1","2","7","3","1") = "6"
    & skf21("3","6","5","1","2","7","4","1") = "6"
    & skf21("3","6","5","1","2","7","5","1") = "6"
    & skf21("3","6","5","1","2","7","6","1") = "6"
    & skf21("3","6","5","1","2","7","7","1") = "6"
    & skf21("3","6","5","1","3","1","1","1") = "5"
    & skf21("3","6","5","1","3","1","2","1") = "5"
    & skf21("3","6","5","1","3","1","3","1") = "5"
    & skf21("3","6","5","1","3","1","4","1") = "5"
    & skf21("3","6","5","1","3","1","5","1") = "5"
    & skf21("3","6","5","1","3","1","6","1") = "5"
    & skf21("3","6","5","1","3","1","7","1") = "6"
    & skf21("3","6","5","1","3","2","1","1") = "5"
    & skf21("3","6","5","1","3","2","2","1") = "5"
    & skf21("3","6","5","1","3","2","3","1") = "5"
    & skf21("3","6","5","1","3","2","4","1") = "5"
    & skf21("3","6","5","1","3","2","5","1") = "5"
    & skf21("3","6","5","1","3","2","6","1") = "5"
    & skf21("3","6","5","1","3","2","7","1") = "6"
    & skf21("3","6","5","1","3","3","1","1") = "5"
    & skf21("3","6","5","1","3","3","2","1") = "5"
    & skf21("3","6","5","1","3","3","3","1") = "5"
    & skf21("3","6","5","1","3","3","4","1") = "5"
    & skf21("3","6","5","1","3","3","5","1") = "5"
    & skf21("3","6","5","1","3","3","6","1") = "5"
    & skf21("3","6","5","1","3","3","7","1") = "6"
    & skf21("3","6","5","1","3","4","1","1") = "5"
    & skf21("3","6","5","1","3","4","2","1") = "5"
    & skf21("3","6","5","1","3","4","3","1") = "5"
    & skf21("3","6","5","1","3","4","4","1") = "5"
    & skf21("3","6","5","1","3","4","5","1") = "5"
    & skf21("3","6","5","1","3","4","6","1") = "5"
    & skf21("3","6","5","1","3","4","7","1") = "6"
    & skf21("3","6","5","1","3","5","1","1") = "5"
    & skf21("3","6","5","1","3","5","2","1") = "5"
    & skf21("3","6","5","1","3","5","3","1") = "5"
    & skf21("3","6","5","1","3","5","4","1") = "5"
    & skf21("3","6","5","1","3","5","5","1") = "5"
    & skf21("3","6","5","1","3","5","6","1") = "5"
    & skf21("3","6","5","1","3","5","7","1") = "6"
    & skf21("3","6","5","1","3","6","1","1") = "5"
    & skf21("3","6","5","1","3","6","2","1") = "5"
    & skf21("3","6","5","1","3","6","3","1") = "5"
    & skf21("3","6","5","1","3","6","4","1") = "5"
    & skf21("3","6","5","1","3","6","5","1") = "5"
    & skf21("3","6","5","1","3","6","6","1") = "5"
    & skf21("3","6","5","1","3","6","7","1") = "6"
    & skf21("3","6","5","1","3","7","1","1") = "6"
    & skf21("3","6","5","1","3","7","2","1") = "6"
    & skf21("3","6","5","1","3","7","3","1") = "6"
    & skf21("3","6","5","1","3","7","4","1") = "6"
    & skf21("3","6","5","1","3","7","5","1") = "6"
    & skf21("3","6","5","1","3","7","6","1") = "6"
    & skf21("3","6","5","1","3","7","7","1") = "6"
    & skf21("3","6","5","1","4","1","1","1") = "5"
    & skf21("3","6","5","1","4","1","2","1") = "5"
    & skf21("3","6","5","1","4","1","3","1") = "5"
    & skf21("3","6","5","1","4","1","4","1") = "5"
    & skf21("3","6","5","1","4","1","5","1") = "5"
    & skf21("3","6","5","1","4","1","6","1") = "5"
    & skf21("3","6","5","1","4","1","7","1") = "6"
    & skf21("3","6","5","1","4","2","1","1") = "5"
    & skf21("3","6","5","1","4","2","2","1") = "5"
    & skf21("3","6","5","1","4","2","3","1") = "5"
    & skf21("3","6","5","1","4","2","4","1") = "5"
    & skf21("3","6","5","1","4","2","5","1") = "5"
    & skf21("3","6","5","1","4","2","6","1") = "5"
    & skf21("3","6","5","1","4","2","7","1") = "6"
    & skf21("3","6","5","1","4","3","1","1") = "5"
    & skf21("3","6","5","1","4","3","2","1") = "5"
    & skf21("3","6","5","1","4","3","3","1") = "5"
    & skf21("3","6","5","1","4","3","4","1") = "5"
    & skf21("3","6","5","1","4","3","5","1") = "5"
    & skf21("3","6","5","1","4","3","6","1") = "5"
    & skf21("3","6","5","1","4","3","7","1") = "6"
    & skf21("3","6","5","1","4","4","1","1") = "5"
    & skf21("3","6","5","1","4","4","2","1") = "5"
    & skf21("3","6","5","1","4","4","3","1") = "5"
    & skf21("3","6","5","1","4","4","4","1") = "5"
    & skf21("3","6","5","1","4","4","5","1") = "5"
    & skf21("3","6","5","1","4","4","6","1") = "5"
    & skf21("3","6","5","1","4","4","7","1") = "6"
    & skf21("3","6","5","1","4","5","1","1") = "5"
    & skf21("3","6","5","1","4","5","2","1") = "5"
    & skf21("3","6","5","1","4","5","3","1") = "5"
    & skf21("3","6","5","1","4","5","4","1") = "5"
    & skf21("3","6","5","1","4","5","5","1") = "5"
    & skf21("3","6","5","1","4","5","6","1") = "5"
    & skf21("3","6","5","1","4","5","7","1") = "6"
    & skf21("3","6","5","1","4","6","1","1") = "5"
    & skf21("3","6","5","1","4","6","2","1") = "5"
    & skf21("3","6","5","1","4","6","3","1") = "5"
    & skf21("3","6","5","1","4","6","4","1") = "5"
    & skf21("3","6","5","1","4","6","5","1") = "5"
    & skf21("3","6","5","1","4","6","6","1") = "5"
    & skf21("3","6","5","1","4","6","7","1") = "6"
    & skf21("3","6","5","1","4","7","1","1") = "6"
    & skf21("3","6","5","1","4","7","2","1") = "6"
    & skf21("3","6","5","1","4","7","3","1") = "6"
    & skf21("3","6","5","1","4","7","4","1") = "6"
    & skf21("3","6","5","1","4","7","5","1") = "6"
    & skf21("3","6","5","1","4","7","6","1") = "6"
    & skf21("3","6","5","1","4","7","7","1") = "6"
    & skf21("3","6","5","1","5","1","1","1") = "5"
    & skf21("3","6","5","1","5","1","2","1") = "5"
    & skf21("3","6","5","1","5","1","3","1") = "5"
    & skf21("3","6","5","1","5","1","4","1") = "5"
    & skf21("3","6","5","1","5","1","5","1") = "5"
    & skf21("3","6","5","1","5","1","6","1") = "5"
    & skf21("3","6","5","1","5","1","7","1") = "6"
    & skf21("3","6","5","1","5","2","1","1") = "5"
    & skf21("3","6","5","1","5","2","2","1") = "5"
    & skf21("3","6","5","1","5","2","3","1") = "5"
    & skf21("3","6","5","1","5","2","4","1") = "5"
    & skf21("3","6","5","1","5","2","5","1") = "5"
    & skf21("3","6","5","1","5","2","6","1") = "5"
    & skf21("3","6","5","1","5","2","7","1") = "6"
    & skf21("3","6","5","1","5","3","1","1") = "5"
    & skf21("3","6","5","1","5","3","2","1") = "5"
    & skf21("3","6","5","1","5","3","3","1") = "5"
    & skf21("3","6","5","1","5","3","4","1") = "5"
    & skf21("3","6","5","1","5","3","5","1") = "5"
    & skf21("3","6","5","1","5","3","6","1") = "5"
    & skf21("3","6","5","1","5","3","7","1") = "6"
    & skf21("3","6","5","1","5","4","1","1") = "5"
    & skf21("3","6","5","1","5","4","2","1") = "5"
    & skf21("3","6","5","1","5","4","3","1") = "5"
    & skf21("3","6","5","1","5","4","4","1") = "5"
    & skf21("3","6","5","1","5","4","5","1") = "5"
    & skf21("3","6","5","1","5","4","6","1") = "5"
    & skf21("3","6","5","1","5","4","7","1") = "6"
    & skf21("3","6","5","1","5","5","1","1") = "5"
    & skf21("3","6","5","1","5","5","2","1") = "5"
    & skf21("3","6","5","1","5","5","3","1") = "5"
    & skf21("3","6","5","1","5","5","4","1") = "5"
    & skf21("3","6","5","1","5","5","5","1") = "5"
    & skf21("3","6","5","1","5","5","6","1") = "5"
    & skf21("3","6","5","1","5","5","7","1") = "6"
    & skf21("3","6","5","1","5","6","1","1") = "5"
    & skf21("3","6","5","1","5","6","2","1") = "5"
    & skf21("3","6","5","1","5","6","3","1") = "5"
    & skf21("3","6","5","1","5","6","4","1") = "5"
    & skf21("3","6","5","1","5","6","5","1") = "5"
    & skf21("3","6","5","1","5","6","6","1") = "5"
    & skf21("3","6","5","1","5","6","7","1") = "6"
    & skf21("3","6","5","1","5","7","1","1") = "6"
    & skf21("3","6","5","1","5","7","2","1") = "6"
    & skf21("3","6","5","1","5","7","3","1") = "6"
    & skf21("3","6","5","1","5","7","4","1") = "6"
    & skf21("3","6","5","1","5","7","5","1") = "6"
    & skf21("3","6","5","1","5","7","6","1") = "6"
    & skf21("3","6","5","1","5","7","7","1") = "6"
    & skf21("3","6","5","1","6","1","1","1") = "5"
    & skf21("3","6","5","1","6","1","2","1") = "5"
    & skf21("3","6","5","1","6","1","3","1") = "5"
    & skf21("3","6","5","1","6","1","4","1") = "5"
    & skf21("3","6","5","1","6","1","5","1") = "5"
    & skf21("3","6","5","1","6","1","6","1") = "5"
    & skf21("3","6","5","1","6","1","7","1") = "6"
    & skf21("3","6","5","1","6","2","1","1") = "5"
    & skf21("3","6","5","1","6","2","2","1") = "5"
    & skf21("3","6","5","1","6","2","3","1") = "5"
    & skf21("3","6","5","1","6","2","4","1") = "5"
    & skf21("3","6","5","1","6","2","5","1") = "5"
    & skf21("3","6","5","1","6","2","6","1") = "5"
    & skf21("3","6","5","1","6","2","7","1") = "6"
    & skf21("3","6","5","1","6","3","1","1") = "5"
    & skf21("3","6","5","1","6","3","2","1") = "5"
    & skf21("3","6","5","1","6","3","3","1") = "5"
    & skf21("3","6","5","1","6","3","4","1") = "5"
    & skf21("3","6","5","1","6","3","5","1") = "5"
    & skf21("3","6","5","1","6","3","6","1") = "5"
    & skf21("3","6","5","1","6","3","7","1") = "6"
    & skf21("3","6","5","1","6","4","1","1") = "5"
    & skf21("3","6","5","1","6","4","2","1") = "5"
    & skf21("3","6","5","1","6","4","3","1") = "5"
    & skf21("3","6","5","1","6","4","4","1") = "5"
    & skf21("3","6","5","1","6","4","5","1") = "5"
    & skf21("3","6","5","1","6","4","6","1") = "5"
    & skf21("3","6","5","1","6","4","7","1") = "6"
    & skf21("3","6","5","1","6","5","1","1") = "5"
    & skf21("3","6","5","1","6","5","2","1") = "5"
    & skf21("3","6","5","1","6","5","3","1") = "5"
    & skf21("3","6","5","1","6","5","4","1") = "5"
    & skf21("3","6","5","1","6","5","5","1") = "5"
    & skf21("3","6","5","1","6","5","6","1") = "5"
    & skf21("3","6","5","1","6","5","7","1") = "6"
    & skf21("3","6","5","1","6","6","1","1") = "5"
    & skf21("3","6","5","1","6","6","2","1") = "5"
    & skf21("3","6","5","1","6","6","3","1") = "5"
    & skf21("3","6","5","1","6","6","4","1") = "5"
    & skf21("3","6","5","1","6","6","5","1") = "5"
    & skf21("3","6","5","1","6","6","6","1") = "5"
    & skf21("3","6","5","1","6","6","7","1") = "6"
    & skf21("3","6","5","1","6","7","1","1") = "6"
    & skf21("3","6","5","1","6","7","2","1") = "6"
    & skf21("3","6","5","1","6","7","3","1") = "6"
    & skf21("3","6","5","1","6","7","4","1") = "6"
    & skf21("3","6","5","1","6","7","5","1") = "6"
    & skf21("3","6","5","1","6","7","6","1") = "6"
    & skf21("3","6","5","1","6","7","7","1") = "6"
    & skf21("3","6","5","1","7","1","1","1") = "6"
    & skf21("3","6","5","1","7","1","2","1") = "6"
    & skf21("3","6","5","1","7","1","3","1") = "6"
    & skf21("3","6","5","1","7","1","4","1") = "6"
    & skf21("3","6","5","1","7","1","5","1") = "6"
    & skf21("3","6","5","1","7","1","6","1") = "6"
    & skf21("3","6","5","1","7","1","7","1") = "6"
    & skf21("3","6","5","1","7","2","1","1") = "6"
    & skf21("3","6","5","1","7","2","2","1") = "6"
    & skf21("3","6","5","1","7","2","3","1") = "6"
    & skf21("3","6","5","1","7","2","4","1") = "6"
    & skf21("3","6","5","1","7","2","5","1") = "6"
    & skf21("3","6","5","1","7","2","6","1") = "6"
    & skf21("3","6","5","1","7","2","7","1") = "6"
    & skf21("3","6","5","1","7","3","1","1") = "6"
    & skf21("3","6","5","1","7","3","2","1") = "6"
    & skf21("3","6","5","1","7","3","3","1") = "6"
    & skf21("3","6","5","1","7","3","4","1") = "6"
    & skf21("3","6","5","1","7","3","5","1") = "6"
    & skf21("3","6","5","1","7","3","6","1") = "6"
    & skf21("3","6","5","1","7","3","7","1") = "6"
    & skf21("3","6","5","1","7","4","1","1") = "6"
    & skf21("3","6","5","1","7","4","2","1") = "6"
    & skf21("3","6","5","1","7","4","3","1") = "6"
    & skf21("3","6","5","1","7","4","4","1") = "6"
    & skf21("3","6","5","1","7","4","5","1") = "6"
    & skf21("3","6","5","1","7","4","6","1") = "6"
    & skf21("3","6","5","1","7","4","7","1") = "6"
    & skf21("3","6","5","1","7","5","1","1") = "6"
    & skf21("3","6","5","1","7","5","2","1") = "6"
    & skf21("3","6","5","1","7","5","3","1") = "6"
    & skf21("3","6","5","1","7","5","4","1") = "6"
    & skf21("3","6","5","1","7","5","5","1") = "6"
    & skf21("3","6","5","1","7","5","6","1") = "6"
    & skf21("3","6","5","1","7","5","7","1") = "6"
    & skf21("3","6","5","1","7","6","1","1") = "6"
    & skf21("3","6","5","1","7","6","2","1") = "6"
    & skf21("3","6","5","1","7","6","3","1") = "6"
    & skf21("3","6","5","1","7","6","4","1") = "6"
    & skf21("3","6","5","1","7","6","5","1") = "6"
    & skf21("3","6","5","1","7","6","6","1") = "6"
    & skf21("3","6","5","1","7","6","7","1") = "6"
    & skf21("3","6","5","1","7","7","1","1") = "6"
    & skf21("3","6","5","1","7","7","2","1") = "6"
    & skf21("3","6","5","1","7","7","3","1") = "6"
    & skf21("3","6","5","1","7","7","4","1") = "6"
    & skf21("3","6","5","1","7","7","5","1") = "6"
    & skf21("3","6","5","1","7","7","6","1") = "6"
    & skf21("3","6","5","1","7","7","7","1") = "6"
    & skf21("3","6","5","2","1","1","1","1") = "5"
    & skf21("3","6","5","2","1","1","2","1") = "5"
    & skf21("3","6","5","2","1","1","3","1") = "5"
    & skf21("3","6","5","2","1","1","4","1") = "5"
    & skf21("3","6","5","2","1","1","5","1") = "5"
    & skf21("3","6","5","2","1","1","6","1") = "5"
    & skf21("3","6","5","2","1","1","7","1") = "6"
    & skf21("3","6","5","2","1","2","1","1") = "5"
    & skf21("3","6","5","2","1","2","2","1") = "5"
    & skf21("3","6","5","2","1","2","3","1") = "5"
    & skf21("3","6","5","2","1","2","4","1") = "5"
    & skf21("3","6","5","2","1","2","5","1") = "5"
    & skf21("3","6","5","2","1","2","6","1") = "5"
    & skf21("3","6","5","2","1","2","7","1") = "6"
    & skf21("3","6","5","2","1","3","1","1") = "5"
    & skf21("3","6","5","2","1","3","2","1") = "5"
    & skf21("3","6","5","2","1","3","3","1") = "5"
    & skf21("3","6","5","2","1","3","4","1") = "5"
    & skf21("3","6","5","2","1","3","5","1") = "5"
    & skf21("3","6","5","2","1","3","6","1") = "5"
    & skf21("3","6","5","2","1","3","7","1") = "6"
    & skf21("3","6","5","2","1","4","1","1") = "5"
    & skf21("3","6","5","2","1","4","2","1") = "5"
    & skf21("3","6","5","2","1","4","3","1") = "5"
    & skf21("3","6","5","2","1","4","4","1") = "5"
    & skf21("3","6","5","2","1","4","5","1") = "5"
    & skf21("3","6","5","2","1","4","6","1") = "5"
    & skf21("3","6","5","2","1","4","7","1") = "6"
    & skf21("3","6","5","2","1","5","1","1") = "5"
    & skf21("3","6","5","2","1","5","2","1") = "5"
    & skf21("3","6","5","2","1","5","3","1") = "5"
    & skf21("3","6","5","2","1","5","4","1") = "5"
    & skf21("3","6","5","2","1","5","5","1") = "5"
    & skf21("3","6","5","2","1","5","6","1") = "5"
    & skf21("3","6","5","2","1","5","7","1") = "6"
    & skf21("3","6","5","2","1","6","1","1") = "5"
    & skf21("3","6","5","2","1","6","2","1") = "5"
    & skf21("3","6","5","2","1","6","3","1") = "5"
    & skf21("3","6","5","2","1","6","4","1") = "5"
    & skf21("3","6","5","2","1","6","5","1") = "5"
    & skf21("3","6","5","2","1","6","6","1") = "5"
    & skf21("3","6","5","2","1","6","7","1") = "6"
    & skf21("3","6","5","2","1","7","1","1") = "6"
    & skf21("3","6","5","2","1","7","2","1") = "6"
    & skf21("3","6","5","2","1","7","3","1") = "6"
    & skf21("3","6","5","2","1","7","4","1") = "6"
    & skf21("3","6","5","2","1","7","5","1") = "6"
    & skf21("3","6","5","2","1","7","6","1") = "6"
    & skf21("3","6","5","2","1","7","7","1") = "6"
    & skf21("3","6","5","2","2","1","1","1") = "5"
    & skf21("3","6","5","2","2","1","2","1") = "5"
    & skf21("3","6","5","2","2","1","3","1") = "5"
    & skf21("3","6","5","2","2","1","4","1") = "5"
    & skf21("3","6","5","2","2","1","5","1") = "5"
    & skf21("3","6","5","2","2","1","6","1") = "5"
    & skf21("3","6","5","2","2","1","7","1") = "6"
    & skf21("3","6","5","2","2","2","1","1") = "5"
    & skf21("3","6","5","2","2","2","2","1") = "5"
    & skf21("3","6","5","2","2","2","3","1") = "5"
    & skf21("3","6","5","2","2","2","4","1") = "5"
    & skf21("3","6","5","2","2","2","5","1") = "5"
    & skf21("3","6","5","2","2","2","6","1") = "5"
    & skf21("3","6","5","2","2","2","7","1") = "6"
    & skf21("3","6","5","2","2","3","1","1") = "5"
    & skf21("3","6","5","2","2","3","2","1") = "5"
    & skf21("3","6","5","2","2","3","3","1") = "5"
    & skf21("3","6","5","2","2","3","4","1") = "5"
    & skf21("3","6","5","2","2","3","5","1") = "5"
    & skf21("3","6","5","2","2","3","6","1") = "5"
    & skf21("3","6","5","2","2","3","7","1") = "6"
    & skf21("3","6","5","2","2","4","1","1") = "5"
    & skf21("3","6","5","2","2","4","2","1") = "5"
    & skf21("3","6","5","2","2","4","3","1") = "5"
    & skf21("3","6","5","2","2","4","4","1") = "5"
    & skf21("3","6","5","2","2","4","5","1") = "5"
    & skf21("3","6","5","2","2","4","6","1") = "5"
    & skf21("3","6","5","2","2","4","7","1") = "6"
    & skf21("3","6","5","2","2","5","1","1") = "5"
    & skf21("3","6","5","2","2","5","2","1") = "5"
    & skf21("3","6","5","2","2","5","3","1") = "5"
    & skf21("3","6","5","2","2","5","4","1") = "5"
    & skf21("3","6","5","2","2","5","5","1") = "5"
    & skf21("3","6","5","2","2","5","6","1") = "5"
    & skf21("3","6","5","2","2","5","7","1") = "6"
    & skf21("3","6","5","2","2","6","1","1") = "5"
    & skf21("3","6","5","2","2","6","2","1") = "5"
    & skf21("3","6","5","2","2","6","3","1") = "5"
    & skf21("3","6","5","2","2","6","4","1") = "5"
    & skf21("3","6","5","2","2","6","5","1") = "5"
    & skf21("3","6","5","2","2","6","6","1") = "5"
    & skf21("3","6","5","2","2","6","7","1") = "6"
    & skf21("3","6","5","2","2","7","1","1") = "6"
    & skf21("3","6","5","2","2","7","2","1") = "6"
    & skf21("3","6","5","2","2","7","3","1") = "6"
    & skf21("3","6","5","2","2","7","4","1") = "6"
    & skf21("3","6","5","2","2","7","5","1") = "6"
    & skf21("3","6","5","2","2","7","6","1") = "6"
    & skf21("3","6","5","2","2","7","7","1") = "6"
    & skf21("3","6","5","2","3","1","1","1") = "5"
    & skf21("3","6","5","2","3","1","2","1") = "5"
    & skf21("3","6","5","2","3","1","3","1") = "5"
    & skf21("3","6","5","2","3","1","4","1") = "5"
    & skf21("3","6","5","2","3","1","5","1") = "5"
    & skf21("3","6","5","2","3","1","6","1") = "5"
    & skf21("3","6","5","2","3","1","7","1") = "6"
    & skf21("3","6","5","2","3","2","1","1") = "5"
    & skf21("3","6","5","2","3","2","2","1") = "5"
    & skf21("3","6","5","2","3","2","3","1") = "5"
    & skf21("3","6","5","2","3","2","4","1") = "5"
    & skf21("3","6","5","2","3","2","5","1") = "5"
    & skf21("3","6","5","2","3","2","6","1") = "5"
    & skf21("3","6","5","2","3","2","7","1") = "6"
    & skf21("3","6","5","2","3","3","1","1") = "5"
    & skf21("3","6","5","2","3","3","2","1") = "5"
    & skf21("3","6","5","2","3","3","3","1") = "5"
    & skf21("3","6","5","2","3","3","4","1") = "5"
    & skf21("3","6","5","2","3","3","5","1") = "5"
    & skf21("3","6","5","2","3","3","6","1") = "5"
    & skf21("3","6","5","2","3","3","7","1") = "6"
    & skf21("3","6","5","2","3","4","1","1") = "5"
    & skf21("3","6","5","2","3","4","2","1") = "5"
    & skf21("3","6","5","2","3","4","3","1") = "5"
    & skf21("3","6","5","2","3","4","4","1") = "5"
    & skf21("3","6","5","2","3","4","5","1") = "5"
    & skf21("3","6","5","2","3","4","6","1") = "5"
    & skf21("3","6","5","2","3","4","7","1") = "6"
    & skf21("3","6","5","2","3","5","1","1") = "5"
    & skf21("3","6","5","2","3","5","2","1") = "5"
    & skf21("3","6","5","2","3","5","3","1") = "5"
    & skf21("3","6","5","2","3","5","4","1") = "5"
    & skf21("3","6","5","2","3","5","5","1") = "5"
    & skf21("3","6","5","2","3","5","6","1") = "5"
    & skf21("3","6","5","2","3","5","7","1") = "6"
    & skf21("3","6","5","2","3","6","1","1") = "5"
    & skf21("3","6","5","2","3","6","2","1") = "5"
    & skf21("3","6","5","2","3","6","3","1") = "5"
    & skf21("3","6","5","2","3","6","4","1") = "5"
    & skf21("3","6","5","2","3","6","5","1") = "5"
    & skf21("3","6","5","2","3","6","6","1") = "5"
    & skf21("3","6","5","2","3","6","7","1") = "6"
    & skf21("3","6","5","2","3","7","1","1") = "6"
    & skf21("3","6","5","2","3","7","2","1") = "6"
    & skf21("3","6","5","2","3","7","3","1") = "6"
    & skf21("3","6","5","2","3","7","4","1") = "6"
    & skf21("3","6","5","2","3","7","5","1") = "6"
    & skf21("3","6","5","2","3","7","6","1") = "6"
    & skf21("3","6","5","2","3","7","7","1") = "6"
    & skf21("3","6","5","2","4","1","1","1") = "5"
    & skf21("3","6","5","2","4","1","2","1") = "5"
    & skf21("3","6","5","2","4","1","3","1") = "5"
    & skf21("3","6","5","2","4","1","4","1") = "5"
    & skf21("3","6","5","2","4","1","5","1") = "5"
    & skf21("3","6","5","2","4","1","6","1") = "5"
    & skf21("3","6","5","2","4","1","7","1") = "6"
    & skf21("3","6","5","2","4","2","1","1") = "5"
    & skf21("3","6","5","2","4","2","2","1") = "5"
    & skf21("3","6","5","2","4","2","3","1") = "5"
    & skf21("3","6","5","2","4","2","4","1") = "5"
    & skf21("3","6","5","2","4","2","5","1") = "5"
    & skf21("3","6","5","2","4","2","6","1") = "5"
    & skf21("3","6","5","2","4","2","7","1") = "6"
    & skf21("3","6","5","2","4","3","1","1") = "5"
    & skf21("3","6","5","2","4","3","2","1") = "5"
    & skf21("3","6","5","2","4","3","3","1") = "5"
    & skf21("3","6","5","2","4","3","4","1") = "5"
    & skf21("3","6","5","2","4","3","5","1") = "5"
    & skf21("3","6","5","2","4","3","6","1") = "5"
    & skf21("3","6","5","2","4","3","7","1") = "6"
    & skf21("3","6","5","2","4","4","1","1") = "5"
    & skf21("3","6","5","2","4","4","2","1") = "5"
    & skf21("3","6","5","2","4","4","3","1") = "5"
    & skf21("3","6","5","2","4","4","4","1") = "5"
    & skf21("3","6","5","2","4","4","5","1") = "5"
    & skf21("3","6","5","2","4","4","6","1") = "5"
    & skf21("3","6","5","2","4","4","7","1") = "6"
    & skf21("3","6","5","2","4","5","1","1") = "5"
    & skf21("3","6","5","2","4","5","2","1") = "5"
    & skf21("3","6","5","2","4","5","3","1") = "5"
    & skf21("3","6","5","2","4","5","4","1") = "5"
    & skf21("3","6","5","2","4","5","5","1") = "5"
    & skf21("3","6","5","2","4","5","6","1") = "5"
    & skf21("3","6","5","2","4","5","7","1") = "6"
    & skf21("3","6","5","2","4","6","1","1") = "5"
    & skf21("3","6","5","2","4","6","2","1") = "5"
    & skf21("3","6","5","2","4","6","3","1") = "5"
    & skf21("3","6","5","2","4","6","4","1") = "5"
    & skf21("3","6","5","2","4","6","5","1") = "5"
    & skf21("3","6","5","2","4","6","6","1") = "5"
    & skf21("3","6","5","2","4","6","7","1") = "6"
    & skf21("3","6","5","2","4","7","1","1") = "6"
    & skf21("3","6","5","2","4","7","2","1") = "6"
    & skf21("3","6","5","2","4","7","3","1") = "6"
    & skf21("3","6","5","2","4","7","4","1") = "6"
    & skf21("3","6","5","2","4","7","5","1") = "6"
    & skf21("3","6","5","2","4","7","6","1") = "6"
    & skf21("3","6","5","2","4","7","7","1") = "6"
    & skf21("3","6","5","2","5","1","1","1") = "5"
    & skf21("3","6","5","2","5","1","2","1") = "5"
    & skf21("3","6","5","2","5","1","3","1") = "5"
    & skf21("3","6","5","2","5","1","4","1") = "5"
    & skf21("3","6","5","2","5","1","5","1") = "5"
    & skf21("3","6","5","2","5","1","6","1") = "5"
    & skf21("3","6","5","2","5","1","7","1") = "6"
    & skf21("3","6","5","2","5","2","1","1") = "5"
    & skf21("3","6","5","2","5","2","2","1") = "5"
    & skf21("3","6","5","2","5","2","3","1") = "5"
    & skf21("3","6","5","2","5","2","4","1") = "5"
    & skf21("3","6","5","2","5","2","5","1") = "5"
    & skf21("3","6","5","2","5","2","6","1") = "5"
    & skf21("3","6","5","2","5","2","7","1") = "6"
    & skf21("3","6","5","2","5","3","1","1") = "5"
    & skf21("3","6","5","2","5","3","2","1") = "5"
    & skf21("3","6","5","2","5","3","3","1") = "5"
    & skf21("3","6","5","2","5","3","4","1") = "5"
    & skf21("3","6","5","2","5","3","5","1") = "5"
    & skf21("3","6","5","2","5","3","6","1") = "5"
    & skf21("3","6","5","2","5","3","7","1") = "6"
    & skf21("3","6","5","2","5","4","1","1") = "5"
    & skf21("3","6","5","2","5","4","2","1") = "5"
    & skf21("3","6","5","2","5","4","3","1") = "5"
    & skf21("3","6","5","2","5","4","4","1") = "5"
    & skf21("3","6","5","2","5","4","5","1") = "5"
    & skf21("3","6","5","2","5","4","6","1") = "5"
    & skf21("3","6","5","2","5","4","7","1") = "6"
    & skf21("3","6","5","2","5","5","1","1") = "5"
    & skf21("3","6","5","2","5","5","2","1") = "5"
    & skf21("3","6","5","2","5","5","3","1") = "5"
    & skf21("3","6","5","2","5","5","4","1") = "5"
    & skf21("3","6","5","2","5","5","5","1") = "5"
    & skf21("3","6","5","2","5","5","6","1") = "5"
    & skf21("3","6","5","2","5","5","7","1") = "6"
    & skf21("3","6","5","2","5","6","1","1") = "5"
    & skf21("3","6","5","2","5","6","2","1") = "5"
    & skf21("3","6","5","2","5","6","3","1") = "5"
    & skf21("3","6","5","2","5","6","4","1") = "5"
    & skf21("3","6","5","2","5","6","5","1") = "5"
    & skf21("3","6","5","2","5","6","6","1") = "5"
    & skf21("3","6","5","2","5","6","7","1") = "6"
    & skf21("3","6","5","2","5","7","1","1") = "6"
    & skf21("3","6","5","2","5","7","2","1") = "6"
    & skf21("3","6","5","2","5","7","3","1") = "6"
    & skf21("3","6","5","2","5","7","4","1") = "6"
    & skf21("3","6","5","2","5","7","5","1") = "6"
    & skf21("3","6","5","2","5","7","6","1") = "6"
    & skf21("3","6","5","2","5","7","7","1") = "6"
    & skf21("3","6","5","2","6","1","1","1") = "5"
    & skf21("3","6","5","2","6","1","2","1") = "5"
    & skf21("3","6","5","2","6","1","3","1") = "5"
    & skf21("3","6","5","2","6","1","4","1") = "5"
    & skf21("3","6","5","2","6","1","5","1") = "5"
    & skf21("3","6","5","2","6","1","6","1") = "5"
    & skf21("3","6","5","2","6","1","7","1") = "6"
    & skf21("3","6","5","2","6","2","1","1") = "5"
    & skf21("3","6","5","2","6","2","2","1") = "5"
    & skf21("3","6","5","2","6","2","3","1") = "5"
    & skf21("3","6","5","2","6","2","4","1") = "5"
    & skf21("3","6","5","2","6","2","5","1") = "5"
    & skf21("3","6","5","2","6","2","6","1") = "5"
    & skf21("3","6","5","2","6","2","7","1") = "6"
    & skf21("3","6","5","2","6","3","1","1") = "5"
    & skf21("3","6","5","2","6","3","2","1") = "5"
    & skf21("3","6","5","2","6","3","3","1") = "5"
    & skf21("3","6","5","2","6","3","4","1") = "5"
    & skf21("3","6","5","2","6","3","5","1") = "5"
    & skf21("3","6","5","2","6","3","6","1") = "5"
    & skf21("3","6","5","2","6","3","7","1") = "6"
    & skf21("3","6","5","2","6","4","1","1") = "5"
    & skf21("3","6","5","2","6","4","2","1") = "5"
    & skf21("3","6","5","2","6","4","3","1") = "5"
    & skf21("3","6","5","2","6","4","4","1") = "5"
    & skf21("3","6","5","2","6","4","5","1") = "5"
    & skf21("3","6","5","2","6","4","6","1") = "5"
    & skf21("3","6","5","2","6","4","7","1") = "6"
    & skf21("3","6","5","2","6","5","1","1") = "5"
    & skf21("3","6","5","2","6","5","2","1") = "5"
    & skf21("3","6","5","2","6","5","3","1") = "5"
    & skf21("3","6","5","2","6","5","4","1") = "5"
    & skf21("3","6","5","2","6","5","5","1") = "5"
    & skf21("3","6","5","2","6","5","6","1") = "5"
    & skf21("3","6","5","2","6","5","7","1") = "6"
    & skf21("3","6","5","2","6","6","1","1") = "5"
    & skf21("3","6","5","2","6","6","2","1") = "5"
    & skf21("3","6","5","2","6","6","3","1") = "5"
    & skf21("3","6","5","2","6","6","4","1") = "5"
    & skf21("3","6","5","2","6","6","5","1") = "5"
    & skf21("3","6","5","2","6","6","6","1") = "5"
    & skf21("3","6","5","2","6","6","7","1") = "6"
    & skf21("3","6","5","2","6","7","1","1") = "6"
    & skf21("3","6","5","2","6","7","2","1") = "6"
    & skf21("3","6","5","2","6","7","3","1") = "6"
    & skf21("3","6","5","2","6","7","4","1") = "6"
    & skf21("3","6","5","2","6","7","5","1") = "6"
    & skf21("3","6","5","2","6","7","6","1") = "6"
    & skf21("3","6","5","2","6","7","7","1") = "6"
    & skf21("3","6","5","2","7","1","1","1") = "6"
    & skf21("3","6","5","2","7","1","2","1") = "6"
    & skf21("3","6","5","2","7","1","3","1") = "6"
    & skf21("3","6","5","2","7","1","4","1") = "6"
    & skf21("3","6","5","2","7","1","5","1") = "6"
    & skf21("3","6","5","2","7","1","6","1") = "6"
    & skf21("3","6","5","2","7","1","7","1") = "6"
    & skf21("3","6","5","2","7","2","1","1") = "6"
    & skf21("3","6","5","2","7","2","2","1") = "6"
    & skf21("3","6","5","2","7","2","3","1") = "6"
    & skf21("3","6","5","2","7","2","4","1") = "6"
    & skf21("3","6","5","2","7","2","5","1") = "6"
    & skf21("3","6","5","2","7","2","6","1") = "6"
    & skf21("3","6","5","2","7","2","7","1") = "6"
    & skf21("3","6","5","2","7","3","1","1") = "6"
    & skf21("3","6","5","2","7","3","2","1") = "6"
    & skf21("3","6","5","2","7","3","3","1") = "6"
    & skf21("3","6","5","2","7","3","4","1") = "6"
    & skf21("3","6","5","2","7","3","5","1") = "6"
    & skf21("3","6","5","2","7","3","6","1") = "6"
    & skf21("3","6","5","2","7","3","7","1") = "6"
    & skf21("3","6","5","2","7","4","1","1") = "6"
    & skf21("3","6","5","2","7","4","2","1") = "6"
    & skf21("3","6","5","2","7","4","3","1") = "6"
    & skf21("3","6","5","2","7","4","4","1") = "6"
    & skf21("3","6","5","2","7","4","5","1") = "6"
    & skf21("3","6","5","2","7","4","6","1") = "6"
    & skf21("3","6","5","2","7","4","7","1") = "6"
    & skf21("3","6","5","2","7","5","1","1") = "6"
    & skf21("3","6","5","2","7","5","2","1") = "6"
    & skf21("3","6","5","2","7","5","3","1") = "6"
    & skf21("3","6","5","2","7","5","4","1") = "6"
    & skf21("3","6","5","2","7","5","5","1") = "6"
    & skf21("3","6","5","2","7","5","6","1") = "6"
    & skf21("3","6","5","2","7","5","7","1") = "6"
    & skf21("3","6","5","2","7","6","1","1") = "6"
    & skf21("3","6","5","2","7","6","2","1") = "6"
    & skf21("3","6","5","2","7","6","3","1") = "6"
    & skf21("3","6","5","2","7","6","4","1") = "6"
    & skf21("3","6","5","2","7","6","5","1") = "6"
    & skf21("3","6","5","2","7","6","6","1") = "6"
    & skf21("3","6","5","2","7","6","7","1") = "6"
    & skf21("3","6","5","2","7","7","1","1") = "6"
    & skf21("3","6","5","2","7","7","2","1") = "6"
    & skf21("3","6","5","2","7","7","3","1") = "6"
    & skf21("3","6","5","2","7","7","4","1") = "6"
    & skf21("3","6","5","2","7","7","5","1") = "6"
    & skf21("3","6","5","2","7","7","6","1") = "6"
    & skf21("3","6","5","2","7","7","7","1") = "6"
    & skf21("3","6","5","3","1","1","1","1") = "5"
    & skf21("3","6","5","3","1","1","2","1") = "5"
    & skf21("3","6","5","3","1","1","3","1") = "5"
    & skf21("3","6","5","3","1","1","4","1") = "5"
    & skf21("3","6","5","3","1","1","5","1") = "5"
    & skf21("3","6","5","3","1","1","6","1") = "5"
    & skf21("3","6","5","3","1","1","7","1") = "6"
    & skf21("3","6","5","3","1","2","1","1") = "5"
    & skf21("3","6","5","3","1","2","2","1") = "5"
    & skf21("3","6","5","3","1","2","3","1") = "5"
    & skf21("3","6","5","3","1","2","4","1") = "5"
    & skf21("3","6","5","3","1","2","5","1") = "5"
    & skf21("3","6","5","3","1","2","6","1") = "5"
    & skf21("3","6","5","3","1","2","7","1") = "6"
    & skf21("3","6","5","3","1","3","1","1") = "5"
    & skf21("3","6","5","3","1","3","2","1") = "5"
    & skf21("3","6","5","3","1","3","3","1") = "5"
    & skf21("3","6","5","3","1","3","4","1") = "5"
    & skf21("3","6","5","3","1","3","5","1") = "5"
    & skf21("3","6","5","3","1","3","6","1") = "5"
    & skf21("3","6","5","3","1","3","7","1") = "6"
    & skf21("3","6","5","3","1","4","1","1") = "5"
    & skf21("3","6","5","3","1","4","2","1") = "5"
    & skf21("3","6","5","3","1","4","3","1") = "5"
    & skf21("3","6","5","3","1","4","4","1") = "5"
    & skf21("3","6","5","3","1","4","5","1") = "5"
    & skf21("3","6","5","3","1","4","6","1") = "5"
    & skf21("3","6","5","3","1","4","7","1") = "6"
    & skf21("3","6","5","3","1","5","1","1") = "5"
    & skf21("3","6","5","3","1","5","2","1") = "5"
    & skf21("3","6","5","3","1","5","3","1") = "5"
    & skf21("3","6","5","3","1","5","4","1") = "5"
    & skf21("3","6","5","3","1","5","5","1") = "5"
    & skf21("3","6","5","3","1","5","6","1") = "5"
    & skf21("3","6","5","3","1","5","7","1") = "6"
    & skf21("3","6","5","3","1","6","1","1") = "5"
    & skf21("3","6","5","3","1","6","2","1") = "5"
    & skf21("3","6","5","3","1","6","3","1") = "5"
    & skf21("3","6","5","3","1","6","4","1") = "5"
    & skf21("3","6","5","3","1","6","5","1") = "5"
    & skf21("3","6","5","3","1","6","6","1") = "5"
    & skf21("3","6","5","3","1","6","7","1") = "6"
    & skf21("3","6","5","3","1","7","1","1") = "6"
    & skf21("3","6","5","3","1","7","2","1") = "6"
    & skf21("3","6","5","3","1","7","3","1") = "6"
    & skf21("3","6","5","3","1","7","4","1") = "6"
    & skf21("3","6","5","3","1","7","5","1") = "6"
    & skf21("3","6","5","3","1","7","6","1") = "6"
    & skf21("3","6","5","3","1","7","7","1") = "6"
    & skf21("3","6","5","3","2","1","1","1") = "5"
    & skf21("3","6","5","3","2","1","2","1") = "5"
    & skf21("3","6","5","3","2","1","3","1") = "5"
    & skf21("3","6","5","3","2","1","4","1") = "5"
    & skf21("3","6","5","3","2","1","5","1") = "5"
    & skf21("3","6","5","3","2","1","6","1") = "5"
    & skf21("3","6","5","3","2","1","7","1") = "6"
    & skf21("3","6","5","3","2","2","1","1") = "5"
    & skf21("3","6","5","3","2","2","2","1") = "5"
    & skf21("3","6","5","3","2","2","3","1") = "5"
    & skf21("3","6","5","3","2","2","4","1") = "5"
    & skf21("3","6","5","3","2","2","5","1") = "5"
    & skf21("3","6","5","3","2","2","6","1") = "5"
    & skf21("3","6","5","3","2","2","7","1") = "6"
    & skf21("3","6","5","3","2","3","1","1") = "5"
    & skf21("3","6","5","3","2","3","2","1") = "5"
    & skf21("3","6","5","3","2","3","3","1") = "5"
    & skf21("3","6","5","3","2","3","4","1") = "5"
    & skf21("3","6","5","3","2","3","5","1") = "5"
    & skf21("3","6","5","3","2","3","6","1") = "5"
    & skf21("3","6","5","3","2","3","7","1") = "6"
    & skf21("3","6","5","3","2","4","1","1") = "5"
    & skf21("3","6","5","3","2","4","2","1") = "5"
    & skf21("3","6","5","3","2","4","3","1") = "5"
    & skf21("3","6","5","3","2","4","4","1") = "5"
    & skf21("3","6","5","3","2","4","5","1") = "5"
    & skf21("3","6","5","3","2","4","6","1") = "5"
    & skf21("3","6","5","3","2","4","7","1") = "6"
    & skf21("3","6","5","3","2","5","1","1") = "5"
    & skf21("3","6","5","3","2","5","2","1") = "5"
    & skf21("3","6","5","3","2","5","3","1") = "5"
    & skf21("3","6","5","3","2","5","4","1") = "5"
    & skf21("3","6","5","3","2","5","5","1") = "5"
    & skf21("3","6","5","3","2","5","6","1") = "5"
    & skf21("3","6","5","3","2","5","7","1") = "6"
    & skf21("3","6","5","3","2","6","1","1") = "5"
    & skf21("3","6","5","3","2","6","2","1") = "5"
    & skf21("3","6","5","3","2","6","3","1") = "5"
    & skf21("3","6","5","3","2","6","4","1") = "5"
    & skf21("3","6","5","3","2","6","5","1") = "5"
    & skf21("3","6","5","3","2","6","6","1") = "5"
    & skf21("3","6","5","3","2","6","7","1") = "6"
    & skf21("3","6","5","3","2","7","1","1") = "6"
    & skf21("3","6","5","3","2","7","2","1") = "6"
    & skf21("3","6","5","3","2","7","3","1") = "6"
    & skf21("3","6","5","3","2","7","4","1") = "6"
    & skf21("3","6","5","3","2","7","5","1") = "6"
    & skf21("3","6","5","3","2","7","6","1") = "6"
    & skf21("3","6","5","3","2","7","7","1") = "6"
    & skf21("3","6","5","3","3","1","1","1") = "5"
    & skf21("3","6","5","3","3","1","2","1") = "5"
    & skf21("3","6","5","3","3","1","3","1") = "5"
    & skf21("3","6","5","3","3","1","4","1") = "5"
    & skf21("3","6","5","3","3","1","5","1") = "5"
    & skf21("3","6","5","3","3","1","6","1") = "5"
    & skf21("3","6","5","3","3","1","7","1") = "6"
    & skf21("3","6","5","3","3","2","1","1") = "5"
    & skf21("3","6","5","3","3","2","2","1") = "5"
    & skf21("3","6","5","3","3","2","3","1") = "5"
    & skf21("3","6","5","3","3","2","4","1") = "5"
    & skf21("3","6","5","3","3","2","5","1") = "5"
    & skf21("3","6","5","3","3","2","6","1") = "5"
    & skf21("3","6","5","3","3","2","7","1") = "6"
    & skf21("3","6","5","3","3","3","1","1") = "5"
    & skf21("3","6","5","3","3","3","2","1") = "5"
    & skf21("3","6","5","3","3","3","3","1") = "5"
    & skf21("3","6","5","3","3","3","4","1") = "5"
    & skf21("3","6","5","3","3","3","5","1") = "5"
    & skf21("3","6","5","3","3","3","6","1") = "5"
    & skf21("3","6","5","3","3","3","7","1") = "6"
    & skf21("3","6","5","3","3","4","1","1") = "5"
    & skf21("3","6","5","3","3","4","2","1") = "5"
    & skf21("3","6","5","3","3","4","3","1") = "5"
    & skf21("3","6","5","3","3","4","4","1") = "5"
    & skf21("3","6","5","3","3","4","5","1") = "5"
    & skf21("3","6","5","3","3","4","6","1") = "5"
    & skf21("3","6","5","3","3","4","7","1") = "6"
    & skf21("3","6","5","3","3","5","1","1") = "5"
    & skf21("3","6","5","3","3","5","2","1") = "5"
    & skf21("3","6","5","3","3","5","3","1") = "5"
    & skf21("3","6","5","3","3","5","4","1") = "5"
    & skf21("3","6","5","3","3","5","5","1") = "5"
    & skf21("3","6","5","3","3","5","6","1") = "5"
    & skf21("3","6","5","3","3","5","7","1") = "6"
    & skf21("3","6","5","3","3","6","1","1") = "5"
    & skf21("3","6","5","3","3","6","2","1") = "5"
    & skf21("3","6","5","3","3","6","3","1") = "5"
    & skf21("3","6","5","3","3","6","4","1") = "5"
    & skf21("3","6","5","3","3","6","5","1") = "5"
    & skf21("3","6","5","3","3","6","6","1") = "5"
    & skf21("3","6","5","3","3","6","7","1") = "6"
    & skf21("3","6","5","3","3","7","1","1") = "6"
    & skf21("3","6","5","3","3","7","2","1") = "6"
    & skf21("3","6","5","3","3","7","3","1") = "6"
    & skf21("3","6","5","3","3","7","4","1") = "6"
    & skf21("3","6","5","3","3","7","5","1") = "6"
    & skf21("3","6","5","3","3","7","6","1") = "6"
    & skf21("3","6","5","3","3","7","7","1") = "6"
    & skf21("3","6","5","3","4","1","1","1") = "5"
    & skf21("3","6","5","3","4","1","2","1") = "5"
    & skf21("3","6","5","3","4","1","3","1") = "5"
    & skf21("3","6","5","3","4","1","4","1") = "5"
    & skf21("3","6","5","3","4","1","5","1") = "5"
    & skf21("3","6","5","3","4","1","6","1") = "5"
    & skf21("3","6","5","3","4","1","7","1") = "6"
    & skf21("3","6","5","3","4","2","1","1") = "5"
    & skf21("3","6","5","3","4","2","2","1") = "5"
    & skf21("3","6","5","3","4","2","3","1") = "5"
    & skf21("3","6","5","3","4","2","4","1") = "5"
    & skf21("3","6","5","3","4","2","5","1") = "5"
    & skf21("3","6","5","3","4","2","6","1") = "5"
    & skf21("3","6","5","3","4","2","7","1") = "6"
    & skf21("3","6","5","3","4","3","1","1") = "5"
    & skf21("3","6","5","3","4","3","2","1") = "5"
    & skf21("3","6","5","3","4","3","3","1") = "5"
    & skf21("3","6","5","3","4","3","4","1") = "5"
    & skf21("3","6","5","3","4","3","5","1") = "5"
    & skf21("3","6","5","3","4","3","6","1") = "5"
    & skf21("3","6","5","3","4","3","7","1") = "6"
    & skf21("3","6","5","3","4","4","1","1") = "5"
    & skf21("3","6","5","3","4","4","2","1") = "5"
    & skf21("3","6","5","3","4","4","3","1") = "5"
    & skf21("3","6","5","3","4","4","4","1") = "5"
    & skf21("3","6","5","3","4","4","5","1") = "5"
    & skf21("3","6","5","3","4","4","6","1") = "5"
    & skf21("3","6","5","3","4","4","7","1") = "6"
    & skf21("3","6","5","3","4","5","1","1") = "5"
    & skf21("3","6","5","3","4","5","2","1") = "5"
    & skf21("3","6","5","3","4","5","3","1") = "5"
    & skf21("3","6","5","3","4","5","4","1") = "5"
    & skf21("3","6","5","3","4","5","5","1") = "5"
    & skf21("3","6","5","3","4","5","6","1") = "5"
    & skf21("3","6","5","3","4","5","7","1") = "6"
    & skf21("3","6","5","3","4","6","1","1") = "5"
    & skf21("3","6","5","3","4","6","2","1") = "5"
    & skf21("3","6","5","3","4","6","3","1") = "5"
    & skf21("3","6","5","3","4","6","4","1") = "5"
    & skf21("3","6","5","3","4","6","5","1") = "5"
    & skf21("3","6","5","3","4","6","6","1") = "5"
    & skf21("3","6","5","3","4","6","7","1") = "6"
    & skf21("3","6","5","3","4","7","1","1") = "6"
    & skf21("3","6","5","3","4","7","2","1") = "6"
    & skf21("3","6","5","3","4","7","3","1") = "6"
    & skf21("3","6","5","3","4","7","4","1") = "6"
    & skf21("3","6","5","3","4","7","5","1") = "6"
    & skf21("3","6","5","3","4","7","6","1") = "6"
    & skf21("3","6","5","3","4","7","7","1") = "6"
    & skf21("3","6","5","3","5","1","1","1") = "5"
    & skf21("3","6","5","3","5","1","2","1") = "5"
    & skf21("3","6","5","3","5","1","3","1") = "5"
    & skf21("3","6","5","3","5","1","4","1") = "5"
    & skf21("3","6","5","3","5","1","5","1") = "5"
    & skf21("3","6","5","3","5","1","6","1") = "5"
    & skf21("3","6","5","3","5","1","7","1") = "6"
    & skf21("3","6","5","3","5","2","1","1") = "5"
    & skf21("3","6","5","3","5","2","2","1") = "5"
    & skf21("3","6","5","3","5","2","3","1") = "5"
    & skf21("3","6","5","3","5","2","4","1") = "5"
    & skf21("3","6","5","3","5","2","5","1") = "5"
    & skf21("3","6","5","3","5","2","6","1") = "5"
    & skf21("3","6","5","3","5","2","7","1") = "6"
    & skf21("3","6","5","3","5","3","1","1") = "5"
    & skf21("3","6","5","3","5","3","2","1") = "5"
    & skf21("3","6","5","3","5","3","3","1") = "5"
    & skf21("3","6","5","3","5","3","4","1") = "5"
    & skf21("3","6","5","3","5","3","5","1") = "5"
    & skf21("3","6","5","3","5","3","6","1") = "5"
    & skf21("3","6","5","3","5","3","7","1") = "6"
    & skf21("3","6","5","3","5","4","1","1") = "5"
    & skf21("3","6","5","3","5","4","2","1") = "5"
    & skf21("3","6","5","3","5","4","3","1") = "5"
    & skf21("3","6","5","3","5","4","4","1") = "5"
    & skf21("3","6","5","3","5","4","5","1") = "5"
    & skf21("3","6","5","3","5","4","6","1") = "5"
    & skf21("3","6","5","3","5","4","7","1") = "6"
    & skf21("3","6","5","3","5","5","1","1") = "5"
    & skf21("3","6","5","3","5","5","2","1") = "5"
    & skf21("3","6","5","3","5","5","3","1") = "5"
    & skf21("3","6","5","3","5","5","4","1") = "5"
    & skf21("3","6","5","3","5","5","5","1") = "5"
    & skf21("3","6","5","3","5","5","6","1") = "5"
    & skf21("3","6","5","3","5","5","7","1") = "6"
    & skf21("3","6","5","3","5","6","1","1") = "5"
    & skf21("3","6","5","3","5","6","2","1") = "5"
    & skf21("3","6","5","3","5","6","3","1") = "5"
    & skf21("3","6","5","3","5","6","4","1") = "5"
    & skf21("3","6","5","3","5","6","5","1") = "5"
    & skf21("3","6","5","3","5","6","6","1") = "5"
    & skf21("3","6","5","3","5","6","7","1") = "6"
    & skf21("3","6","5","3","5","7","1","1") = "6"
    & skf21("3","6","5","3","5","7","2","1") = "6"
    & skf21("3","6","5","3","5","7","3","1") = "6"
    & skf21("3","6","5","3","5","7","4","1") = "6"
    & skf21("3","6","5","3","5","7","5","1") = "6"
    & skf21("3","6","5","3","5","7","6","1") = "6"
    & skf21("3","6","5","3","5","7","7","1") = "6"
    & skf21("3","6","5","3","6","1","1","1") = "5"
    & skf21("3","6","5","3","6","1","2","1") = "5"
    & skf21("3","6","5","3","6","1","3","1") = "5"
    & skf21("3","6","5","3","6","1","4","1") = "5"
    & skf21("3","6","5","3","6","1","5","1") = "5"
    & skf21("3","6","5","3","6","1","6","1") = "5"
    & skf21("3","6","5","3","6","1","7","1") = "6"
    & skf21("3","6","5","3","6","2","1","1") = "5"
    & skf21("3","6","5","3","6","2","2","1") = "5"
    & skf21("3","6","5","3","6","2","3","1") = "5"
    & skf21("3","6","5","3","6","2","4","1") = "5"
    & skf21("3","6","5","3","6","2","5","1") = "5"
    & skf21("3","6","5","3","6","2","6","1") = "5"
    & skf21("3","6","5","3","6","2","7","1") = "6"
    & skf21("3","6","5","3","6","3","1","1") = "5"
    & skf21("3","6","5","3","6","3","2","1") = "5"
    & skf21("3","6","5","3","6","3","3","1") = "5"
    & skf21("3","6","5","3","6","3","4","1") = "5"
    & skf21("3","6","5","3","6","3","5","1") = "5"
    & skf21("3","6","5","3","6","3","6","1") = "5"
    & skf21("3","6","5","3","6","3","7","1") = "6"
    & skf21("3","6","5","3","6","4","1","1") = "5"
    & skf21("3","6","5","3","6","4","2","1") = "5"
    & skf21("3","6","5","3","6","4","3","1") = "5"
    & skf21("3","6","5","3","6","4","4","1") = "5"
    & skf21("3","6","5","3","6","4","5","1") = "5"
    & skf21("3","6","5","3","6","4","6","1") = "5"
    & skf21("3","6","5","3","6","4","7","1") = "6"
    & skf21("3","6","5","3","6","5","1","1") = "5"
    & skf21("3","6","5","3","6","5","2","1") = "5"
    & skf21("3","6","5","3","6","5","3","1") = "5"
    & skf21("3","6","5","3","6","5","4","1") = "5"
    & skf21("3","6","5","3","6","5","5","1") = "5"
    & skf21("3","6","5","3","6","5","6","1") = "5"
    & skf21("3","6","5","3","6","5","7","1") = "6"
    & skf21("3","6","5","3","6","6","1","1") = "5"
    & skf21("3","6","5","3","6","6","2","1") = "5"
    & skf21("3","6","5","3","6","6","3","1") = "5"
    & skf21("3","6","5","3","6","6","4","1") = "5"
    & skf21("3","6","5","3","6","6","5","1") = "5"
    & skf21("3","6","5","3","6","6","6","1") = "5"
    & skf21("3","6","5","3","6","6","7","1") = "6"
    & skf21("3","6","5","3","6","7","1","1") = "6"
    & skf21("3","6","5","3","6","7","2","1") = "6"
    & skf21("3","6","5","3","6","7","3","1") = "6"
    & skf21("3","6","5","3","6","7","4","1") = "6"
    & skf21("3","6","5","3","6","7","5","1") = "6"
    & skf21("3","6","5","3","6","7","6","1") = "6"
    & skf21("3","6","5","3","6","7","7","1") = "6"
    & skf21("3","6","5","3","7","1","1","1") = "6"
    & skf21("3","6","5","3","7","1","2","1") = "6"
    & skf21("3","6","5","3","7","1","3","1") = "6"
    & skf21("3","6","5","3","7","1","4","1") = "6"
    & skf21("3","6","5","3","7","1","5","1") = "6"
    & skf21("3","6","5","3","7","1","6","1") = "6"
    & skf21("3","6","5","3","7","1","7","1") = "6"
    & skf21("3","6","5","3","7","2","1","1") = "6"
    & skf21("3","6","5","3","7","2","2","1") = "6"
    & skf21("3","6","5","3","7","2","3","1") = "6"
    & skf21("3","6","5","3","7","2","4","1") = "6"
    & skf21("3","6","5","3","7","2","5","1") = "6"
    & skf21("3","6","5","3","7","2","6","1") = "6"
    & skf21("3","6","5","3","7","2","7","1") = "6"
    & skf21("3","6","5","3","7","3","1","1") = "6"
    & skf21("3","6","5","3","7","3","2","1") = "6"
    & skf21("3","6","5","3","7","3","3","1") = "6"
    & skf21("3","6","5","3","7","3","4","1") = "6"
    & skf21("3","6","5","3","7","3","5","1") = "6"
    & skf21("3","6","5","3","7","3","6","1") = "6"
    & skf21("3","6","5","3","7","3","7","1") = "6"
    & skf21("3","6","5","3","7","4","1","1") = "6"
    & skf21("3","6","5","3","7","4","2","1") = "6"
    & skf21("3","6","5","3","7","4","3","1") = "6"
    & skf21("3","6","5","3","7","4","4","1") = "6"
    & skf21("3","6","5","3","7","4","5","1") = "6"
    & skf21("3","6","5","3","7","4","6","1") = "6"
    & skf21("3","6","5","3","7","4","7","1") = "6"
    & skf21("3","6","5","3","7","5","1","1") = "6"
    & skf21("3","6","5","3","7","5","2","1") = "6"
    & skf21("3","6","5","3","7","5","3","1") = "6"
    & skf21("3","6","5","3","7","5","4","1") = "6"
    & skf21("3","6","5","3","7","5","5","1") = "6"
    & skf21("3","6","5","3","7","5","6","1") = "6"
    & skf21("3","6","5","3","7","5","7","1") = "6"
    & skf21("3","6","5","3","7","6","1","1") = "6"
    & skf21("3","6","5","3","7","6","2","1") = "6"
    & skf21("3","6","5","3","7","6","3","1") = "6"
    & skf21("3","6","5","3","7","6","4","1") = "6"
    & skf21("3","6","5","3","7","6","5","1") = "6"
    & skf21("3","6","5","3","7","6","6","1") = "6"
    & skf21("3","6","5","3","7","6","7","1") = "6"
    & skf21("3","6","5","3","7","7","1","1") = "6"
    & skf21("3","6","5","3","7","7","2","1") = "6"
    & skf21("3","6","5","3","7","7","3","1") = "6"
    & skf21("3","6","5","3","7","7","4","1") = "6"
    & skf21("3","6","5","3","7","7","5","1") = "6"
    & skf21("3","6","5","3","7","7","6","1") = "6"
    & skf21("3","6","5","3","7","7","7","1") = "6"
    & skf21("3","6","5","4","1","1","1","1") = "5"
    & skf21("3","6","5","4","1","1","2","1") = "5"
    & skf21("3","6","5","4","1","1","3","1") = "5"
    & skf21("3","6","5","4","1","1","4","1") = "5"
    & skf21("3","6","5","4","1","1","5","1") = "5"
    & skf21("3","6","5","4","1","1","6","1") = "5"
    & skf21("3","6","5","4","1","1","7","1") = "6"
    & skf21("3","6","5","4","1","2","1","1") = "5"
    & skf21("3","6","5","4","1","2","2","1") = "5"
    & skf21("3","6","5","4","1","2","3","1") = "5"
    & skf21("3","6","5","4","1","2","4","1") = "5"
    & skf21("3","6","5","4","1","2","5","1") = "5"
    & skf21("3","6","5","4","1","2","6","1") = "5"
    & skf21("3","6","5","4","1","2","7","1") = "6"
    & skf21("3","6","5","4","1","3","1","1") = "5"
    & skf21("3","6","5","4","1","3","2","1") = "5"
    & skf21("3","6","5","4","1","3","3","1") = "5"
    & skf21("3","6","5","4","1","3","4","1") = "5"
    & skf21("3","6","5","4","1","3","5","1") = "5"
    & skf21("3","6","5","4","1","3","6","1") = "5"
    & skf21("3","6","5","4","1","3","7","1") = "6"
    & skf21("3","6","5","4","1","4","1","1") = "5"
    & skf21("3","6","5","4","1","4","2","1") = "5"
    & skf21("3","6","5","4","1","4","3","1") = "5"
    & skf21("3","6","5","4","1","4","4","1") = "5"
    & skf21("3","6","5","4","1","4","5","1") = "5"
    & skf21("3","6","5","4","1","4","6","1") = "5"
    & skf21("3","6","5","4","1","4","7","1") = "6"
    & skf21("3","6","5","4","1","5","1","1") = "5"
    & skf21("3","6","5","4","1","5","2","1") = "5"
    & skf21("3","6","5","4","1","5","3","1") = "5"
    & skf21("3","6","5","4","1","5","4","1") = "5"
    & skf21("3","6","5","4","1","5","5","1") = "5"
    & skf21("3","6","5","4","1","5","6","1") = "5"
    & skf21("3","6","5","4","1","5","7","1") = "6"
    & skf21("3","6","5","4","1","6","1","1") = "5"
    & skf21("3","6","5","4","1","6","2","1") = "5"
    & skf21("3","6","5","4","1","6","3","1") = "5"
    & skf21("3","6","5","4","1","6","4","1") = "5"
    & skf21("3","6","5","4","1","6","5","1") = "5"
    & skf21("3","6","5","4","1","6","6","1") = "5"
    & skf21("3","6","5","4","1","6","7","1") = "6"
    & skf21("3","6","5","4","1","7","1","1") = "6"
    & skf21("3","6","5","4","1","7","2","1") = "6"
    & skf21("3","6","5","4","1","7","3","1") = "6"
    & skf21("3","6","5","4","1","7","4","1") = "6"
    & skf21("3","6","5","4","1","7","5","1") = "6"
    & skf21("3","6","5","4","1","7","6","1") = "6"
    & skf21("3","6","5","4","1","7","7","1") = "6"
    & skf21("3","6","5","4","2","1","1","1") = "5"
    & skf21("3","6","5","4","2","1","2","1") = "5"
    & skf21("3","6","5","4","2","1","3","1") = "5"
    & skf21("3","6","5","4","2","1","4","1") = "5"
    & skf21("3","6","5","4","2","1","5","1") = "5"
    & skf21("3","6","5","4","2","1","6","1") = "5"
    & skf21("3","6","5","4","2","1","7","1") = "6"
    & skf21("3","6","5","4","2","2","1","1") = "5"
    & skf21("3","6","5","4","2","2","2","1") = "5"
    & skf21("3","6","5","4","2","2","3","1") = "5"
    & skf21("3","6","5","4","2","2","4","1") = "5"
    & skf21("3","6","5","4","2","2","5","1") = "5"
    & skf21("3","6","5","4","2","2","6","1") = "5"
    & skf21("3","6","5","4","2","2","7","1") = "6"
    & skf21("3","6","5","4","2","3","1","1") = "5"
    & skf21("3","6","5","4","2","3","2","1") = "5"
    & skf21("3","6","5","4","2","3","3","1") = "5"
    & skf21("3","6","5","4","2","3","4","1") = "5"
    & skf21("3","6","5","4","2","3","5","1") = "5"
    & skf21("3","6","5","4","2","3","6","1") = "5"
    & skf21("3","6","5","4","2","3","7","1") = "6"
    & skf21("3","6","5","4","2","4","1","1") = "5"
    & skf21("3","6","5","4","2","4","2","1") = "5"
    & skf21("3","6","5","4","2","4","3","1") = "5"
    & skf21("3","6","5","4","2","4","4","1") = "5"
    & skf21("3","6","5","4","2","4","5","1") = "5"
    & skf21("3","6","5","4","2","4","6","1") = "5"
    & skf21("3","6","5","4","2","4","7","1") = "6"
    & skf21("3","6","5","4","2","5","1","1") = "5"
    & skf21("3","6","5","4","2","5","2","1") = "5"
    & skf21("3","6","5","4","2","5","3","1") = "5"
    & skf21("3","6","5","4","2","5","4","1") = "5"
    & skf21("3","6","5","4","2","5","5","1") = "5"
    & skf21("3","6","5","4","2","5","6","1") = "5"
    & skf21("3","6","5","4","2","5","7","1") = "6"
    & skf21("3","6","5","4","2","6","1","1") = "5"
    & skf21("3","6","5","4","2","6","2","1") = "5"
    & skf21("3","6","5","4","2","6","3","1") = "5"
    & skf21("3","6","5","4","2","6","4","1") = "5"
    & skf21("3","6","5","4","2","6","5","1") = "5"
    & skf21("3","6","5","4","2","6","6","1") = "5"
    & skf21("3","6","5","4","2","6","7","1") = "6"
    & skf21("3","6","5","4","2","7","1","1") = "6"
    & skf21("3","6","5","4","2","7","2","1") = "6"
    & skf21("3","6","5","4","2","7","3","1") = "6"
    & skf21("3","6","5","4","2","7","4","1") = "6"
    & skf21("3","6","5","4","2","7","5","1") = "6"
    & skf21("3","6","5","4","2","7","6","1") = "6"
    & skf21("3","6","5","4","2","7","7","1") = "6"
    & skf21("3","6","5","4","3","1","1","1") = "5"
    & skf21("3","6","5","4","3","1","2","1") = "5"
    & skf21("3","6","5","4","3","1","3","1") = "5"
    & skf21("3","6","5","4","3","1","4","1") = "5"
    & skf21("3","6","5","4","3","1","5","1") = "5"
    & skf21("3","6","5","4","3","1","6","1") = "5"
    & skf21("3","6","5","4","3","1","7","1") = "6"
    & skf21("3","6","5","4","3","2","1","1") = "5"
    & skf21("3","6","5","4","3","2","2","1") = "5"
    & skf21("3","6","5","4","3","2","3","1") = "5"
    & skf21("3","6","5","4","3","2","4","1") = "5"
    & skf21("3","6","5","4","3","2","5","1") = "5"
    & skf21("3","6","5","4","3","2","6","1") = "5"
    & skf21("3","6","5","4","3","2","7","1") = "6"
    & skf21("3","6","5","4","3","3","1","1") = "5"
    & skf21("3","6","5","4","3","3","2","1") = "5"
    & skf21("3","6","5","4","3","3","3","1") = "5"
    & skf21("3","6","5","4","3","3","4","1") = "5"
    & skf21("3","6","5","4","3","3","5","1") = "5"
    & skf21("3","6","5","4","3","3","6","1") = "5"
    & skf21("3","6","5","4","3","3","7","1") = "6"
    & skf21("3","6","5","4","3","4","1","1") = "5"
    & skf21("3","6","5","4","3","4","2","1") = "5"
    & skf21("3","6","5","4","3","4","3","1") = "5"
    & skf21("3","6","5","4","3","4","4","1") = "5"
    & skf21("3","6","5","4","3","4","5","1") = "5"
    & skf21("3","6","5","4","3","4","6","1") = "5"
    & skf21("3","6","5","4","3","4","7","1") = "6"
    & skf21("3","6","5","4","3","5","1","1") = "5"
    & skf21("3","6","5","4","3","5","2","1") = "5"
    & skf21("3","6","5","4","3","5","3","1") = "5"
    & skf21("3","6","5","4","3","5","4","1") = "5"
    & skf21("3","6","5","4","3","5","5","1") = "5"
    & skf21("3","6","5","4","3","5","6","1") = "5"
    & skf21("3","6","5","4","3","5","7","1") = "6"
    & skf21("3","6","5","4","3","6","1","1") = "5"
    & skf21("3","6","5","4","3","6","2","1") = "5"
    & skf21("3","6","5","4","3","6","3","1") = "5"
    & skf21("3","6","5","4","3","6","4","1") = "5"
    & skf21("3","6","5","4","3","6","5","1") = "5"
    & skf21("3","6","5","4","3","6","6","1") = "5"
    & skf21("3","6","5","4","3","6","7","1") = "6"
    & skf21("3","6","5","4","3","7","1","1") = "6"
    & skf21("3","6","5","4","3","7","2","1") = "6"
    & skf21("3","6","5","4","3","7","3","1") = "6"
    & skf21("3","6","5","4","3","7","4","1") = "6"
    & skf21("3","6","5","4","3","7","5","1") = "6"
    & skf21("3","6","5","4","3","7","6","1") = "6"
    & skf21("3","6","5","4","3","7","7","1") = "6"
    & skf21("3","6","5","4","4","1","1","1") = "5"
    & skf21("3","6","5","4","4","1","2","1") = "5"
    & skf21("3","6","5","4","4","1","3","1") = "5"
    & skf21("3","6","5","4","4","1","4","1") = "5"
    & skf21("3","6","5","4","4","1","5","1") = "5"
    & skf21("3","6","5","4","4","1","6","1") = "5"
    & skf21("3","6","5","4","4","1","7","1") = "6"
    & skf21("3","6","5","4","4","2","1","1") = "5"
    & skf21("3","6","5","4","4","2","2","1") = "5"
    & skf21("3","6","5","4","4","2","3","1") = "5"
    & skf21("3","6","5","4","4","2","4","1") = "5"
    & skf21("3","6","5","4","4","2","5","1") = "5"
    & skf21("3","6","5","4","4","2","6","1") = "5"
    & skf21("3","6","5","4","4","2","7","1") = "6"
    & skf21("3","6","5","4","4","3","1","1") = "5"
    & skf21("3","6","5","4","4","3","2","1") = "5"
    & skf21("3","6","5","4","4","3","3","1") = "5"
    & skf21("3","6","5","4","4","3","4","1") = "5"
    & skf21("3","6","5","4","4","3","5","1") = "5"
    & skf21("3","6","5","4","4","3","6","1") = "5"
    & skf21("3","6","5","4","4","3","7","1") = "6"
    & skf21("3","6","5","4","4","4","1","1") = "5"
    & skf21("3","6","5","4","4","4","2","1") = "5"
    & skf21("3","6","5","4","4","4","3","1") = "5"
    & skf21("3","6","5","4","4","4","4","1") = "5"
    & skf21("3","6","5","4","4","4","5","1") = "5"
    & skf21("3","6","5","4","4","4","6","1") = "5"
    & skf21("3","6","5","4","4","4","7","1") = "6"
    & skf21("3","6","5","4","4","5","1","1") = "5"
    & skf21("3","6","5","4","4","5","2","1") = "5"
    & skf21("3","6","5","4","4","5","3","1") = "5"
    & skf21("3","6","5","4","4","5","4","1") = "5"
    & skf21("3","6","5","4","4","5","5","1") = "5"
    & skf21("3","6","5","4","4","5","6","1") = "5"
    & skf21("3","6","5","4","4","5","7","1") = "6"
    & skf21("3","6","5","4","4","6","1","1") = "5"
    & skf21("3","6","5","4","4","6","2","1") = "5"
    & skf21("3","6","5","4","4","6","3","1") = "5"
    & skf21("3","6","5","4","4","6","4","1") = "5"
    & skf21("3","6","5","4","4","6","5","1") = "5"
    & skf21("3","6","5","4","4","6","6","1") = "5"
    & skf21("3","6","5","4","4","6","7","1") = "6"
    & skf21("3","6","5","4","4","7","1","1") = "6"
    & skf21("3","6","5","4","4","7","2","1") = "6"
    & skf21("3","6","5","4","4","7","3","1") = "6"
    & skf21("3","6","5","4","4","7","4","1") = "6"
    & skf21("3","6","5","4","4","7","5","1") = "6"
    & skf21("3","6","5","4","4","7","6","1") = "6"
    & skf21("3","6","5","4","4","7","7","1") = "6"
    & skf21("3","6","5","4","5","1","1","1") = "5"
    & skf21("3","6","5","4","5","1","2","1") = "5"
    & skf21("3","6","5","4","5","1","3","1") = "5"
    & skf21("3","6","5","4","5","1","4","1") = "5"
    & skf21("3","6","5","4","5","1","5","1") = "5"
    & skf21("3","6","5","4","5","1","6","1") = "5"
    & skf21("3","6","5","4","5","1","7","1") = "6"
    & skf21("3","6","5","4","5","2","1","1") = "5"
    & skf21("3","6","5","4","5","2","2","1") = "5"
    & skf21("3","6","5","4","5","2","3","1") = "5"
    & skf21("3","6","5","4","5","2","4","1") = "5"
    & skf21("3","6","5","4","5","2","5","1") = "5"
    & skf21("3","6","5","4","5","2","6","1") = "5"
    & skf21("3","6","5","4","5","2","7","1") = "6"
    & skf21("3","6","5","4","5","3","1","1") = "5"
    & skf21("3","6","5","4","5","3","2","1") = "5"
    & skf21("3","6","5","4","5","3","3","1") = "5"
    & skf21("3","6","5","4","5","3","4","1") = "5"
    & skf21("3","6","5","4","5","3","5","1") = "5"
    & skf21("3","6","5","4","5","3","6","1") = "5"
    & skf21("3","6","5","4","5","3","7","1") = "6"
    & skf21("3","6","5","4","5","4","1","1") = "5"
    & skf21("3","6","5","4","5","4","2","1") = "5"
    & skf21("3","6","5","4","5","4","3","1") = "5"
    & skf21("3","6","5","4","5","4","4","1") = "5"
    & skf21("3","6","5","4","5","4","5","1") = "5"
    & skf21("3","6","5","4","5","4","6","1") = "5"
    & skf21("3","6","5","4","5","4","7","1") = "6"
    & skf21("3","6","5","4","5","5","1","1") = "5"
    & skf21("3","6","5","4","5","5","2","1") = "5"
    & skf21("3","6","5","4","5","5","3","1") = "5"
    & skf21("3","6","5","4","5","5","4","1") = "5"
    & skf21("3","6","5","4","5","5","5","1") = "5"
    & skf21("3","6","5","4","5","5","6","1") = "5"
    & skf21("3","6","5","4","5","5","7","1") = "6"
    & skf21("3","6","5","4","5","6","1","1") = "5"
    & skf21("3","6","5","4","5","6","2","1") = "5"
    & skf21("3","6","5","4","5","6","3","1") = "5"
    & skf21("3","6","5","4","5","6","4","1") = "5"
    & skf21("3","6","5","4","5","6","5","1") = "5"
    & skf21("3","6","5","4","5","6","6","1") = "5"
    & skf21("3","6","5","4","5","6","7","1") = "6"
    & skf21("3","6","5","4","5","7","1","1") = "6"
    & skf21("3","6","5","4","5","7","2","1") = "6"
    & skf21("3","6","5","4","5","7","3","1") = "6"
    & skf21("3","6","5","4","5","7","4","1") = "6"
    & skf21("3","6","5","4","5","7","5","1") = "6"
    & skf21("3","6","5","4","5","7","6","1") = "6"
    & skf21("3","6","5","4","5","7","7","1") = "6"
    & skf21("3","6","5","4","6","1","1","1") = "5"
    & skf21("3","6","5","4","6","1","2","1") = "5"
    & skf21("3","6","5","4","6","1","3","1") = "5"
    & skf21("3","6","5","4","6","1","4","1") = "5"
    & skf21("3","6","5","4","6","1","5","1") = "5"
    & skf21("3","6","5","4","6","1","6","1") = "5"
    & skf21("3","6","5","4","6","1","7","1") = "6"
    & skf21("3","6","5","4","6","2","1","1") = "5"
    & skf21("3","6","5","4","6","2","2","1") = "5"
    & skf21("3","6","5","4","6","2","3","1") = "5"
    & skf21("3","6","5","4","6","2","4","1") = "5"
    & skf21("3","6","5","4","6","2","5","1") = "5"
    & skf21("3","6","5","4","6","2","6","1") = "5"
    & skf21("3","6","5","4","6","2","7","1") = "6"
    & skf21("3","6","5","4","6","3","1","1") = "5"
    & skf21("3","6","5","4","6","3","2","1") = "5"
    & skf21("3","6","5","4","6","3","3","1") = "5"
    & skf21("3","6","5","4","6","3","4","1") = "5"
    & skf21("3","6","5","4","6","3","5","1") = "5"
    & skf21("3","6","5","4","6","3","6","1") = "5"
    & skf21("3","6","5","4","6","3","7","1") = "6"
    & skf21("3","6","5","4","6","4","1","1") = "5"
    & skf21("3","6","5","4","6","4","2","1") = "5"
    & skf21("3","6","5","4","6","4","3","1") = "5"
    & skf21("3","6","5","4","6","4","4","1") = "5"
    & skf21("3","6","5","4","6","4","5","1") = "5"
    & skf21("3","6","5","4","6","4","6","1") = "5"
    & skf21("3","6","5","4","6","4","7","1") = "6"
    & skf21("3","6","5","4","6","5","1","1") = "5"
    & skf21("3","6","5","4","6","5","2","1") = "5"
    & skf21("3","6","5","4","6","5","3","1") = "5"
    & skf21("3","6","5","4","6","5","4","1") = "5"
    & skf21("3","6","5","4","6","5","5","1") = "5"
    & skf21("3","6","5","4","6","5","6","1") = "5"
    & skf21("3","6","5","4","6","5","7","1") = "6"
    & skf21("3","6","5","4","6","6","1","1") = "5"
    & skf21("3","6","5","4","6","6","2","1") = "5"
    & skf21("3","6","5","4","6","6","3","1") = "5"
    & skf21("3","6","5","4","6","6","4","1") = "5"
    & skf21("3","6","5","4","6","6","5","1") = "5"
    & skf21("3","6","5","4","6","6","6","1") = "5"
    & skf21("3","6","5","4","6","6","7","1") = "6"
    & skf21("3","6","5","4","6","7","1","1") = "6"
    & skf21("3","6","5","4","6","7","2","1") = "6"
    & skf21("3","6","5","4","6","7","3","1") = "6"
    & skf21("3","6","5","4","6","7","4","1") = "6"
    & skf21("3","6","5","4","6","7","5","1") = "6"
    & skf21("3","6","5","4","6","7","6","1") = "6"
    & skf21("3","6","5","4","6","7","7","1") = "6"
    & skf21("3","6","5","4","7","1","1","1") = "6"
    & skf21("3","6","5","4","7","1","2","1") = "6"
    & skf21("3","6","5","4","7","1","3","1") = "6"
    & skf21("3","6","5","4","7","1","4","1") = "6"
    & skf21("3","6","5","4","7","1","5","1") = "6"
    & skf21("3","6","5","4","7","1","6","1") = "6"
    & skf21("3","6","5","4","7","1","7","1") = "6"
    & skf21("3","6","5","4","7","2","1","1") = "6"
    & skf21("3","6","5","4","7","2","2","1") = "6"
    & skf21("3","6","5","4","7","2","3","1") = "6"
    & skf21("3","6","5","4","7","2","4","1") = "6"
    & skf21("3","6","5","4","7","2","5","1") = "6"
    & skf21("3","6","5","4","7","2","6","1") = "6"
    & skf21("3","6","5","4","7","2","7","1") = "6"
    & skf21("3","6","5","4","7","3","1","1") = "6"
    & skf21("3","6","5","4","7","3","2","1") = "6"
    & skf21("3","6","5","4","7","3","3","1") = "6"
    & skf21("3","6","5","4","7","3","4","1") = "6"
    & skf21("3","6","5","4","7","3","5","1") = "6"
    & skf21("3","6","5","4","7","3","6","1") = "6"
    & skf21("3","6","5","4","7","3","7","1") = "6"
    & skf21("3","6","5","4","7","4","1","1") = "6"
    & skf21("3","6","5","4","7","4","2","1") = "6"
    & skf21("3","6","5","4","7","4","3","1") = "6"
    & skf21("3","6","5","4","7","4","4","1") = "6"
    & skf21("3","6","5","4","7","4","5","1") = "6"
    & skf21("3","6","5","4","7","4","6","1") = "6"
    & skf21("3","6","5","4","7","4","7","1") = "6"
    & skf21("3","6","5","4","7","5","1","1") = "6"
    & skf21("3","6","5","4","7","5","2","1") = "6"
    & skf21("3","6","5","4","7","5","3","1") = "6"
    & skf21("3","6","5","4","7","5","4","1") = "6"
    & skf21("3","6","5","4","7","5","5","1") = "6"
    & skf21("3","6","5","4","7","5","6","1") = "6"
    & skf21("3","6","5","4","7","5","7","1") = "6"
    & skf21("3","6","5","4","7","6","1","1") = "6"
    & skf21("3","6","5","4","7","6","2","1") = "6"
    & skf21("3","6","5","4","7","6","3","1") = "6"
    & skf21("3","6","5","4","7","6","4","1") = "6"
    & skf21("3","6","5","4","7","6","5","1") = "6"
    & skf21("3","6","5","4","7","6","6","1") = "6"
    & skf21("3","6","5","4","7","6","7","1") = "6"
    & skf21("3","6","5","4","7","7","1","1") = "6"
    & skf21("3","6","5","4","7","7","2","1") = "6"
    & skf21("3","6","5","4","7","7","3","1") = "6"
    & skf21("3","6","5","4","7","7","4","1") = "6"
    & skf21("3","6","5","4","7","7","5","1") = "6"
    & skf21("3","6","5","4","7","7","6","1") = "6"
    & skf21("3","6","5","4","7","7","7","1") = "6"
    & skf21("3","6","5","5","1","1","1","1") = "5"
    & skf21("3","6","5","5","1","1","2","1") = "5"
    & skf21("3","6","5","5","1","1","3","1") = "5"
    & skf21("3","6","5","5","1","1","4","1") = "5"
    & skf21("3","6","5","5","1","1","5","1") = "5"
    & skf21("3","6","5","5","1","1","6","1") = "5"
    & skf21("3","6","5","5","1","1","7","1") = "6"
    & skf21("3","6","5","5","1","2","1","1") = "5"
    & skf21("3","6","5","5","1","2","2","1") = "5"
    & skf21("3","6","5","5","1","2","3","1") = "5"
    & skf21("3","6","5","5","1","2","4","1") = "5"
    & skf21("3","6","5","5","1","2","5","1") = "5"
    & skf21("3","6","5","5","1","2","6","1") = "5"
    & skf21("3","6","5","5","1","2","7","1") = "6"
    & skf21("3","6","5","5","1","3","1","1") = "5"
    & skf21("3","6","5","5","1","3","2","1") = "5"
    & skf21("3","6","5","5","1","3","3","1") = "5"
    & skf21("3","6","5","5","1","3","4","1") = "5"
    & skf21("3","6","5","5","1","3","5","1") = "5"
    & skf21("3","6","5","5","1","3","6","1") = "5"
    & skf21("3","6","5","5","1","3","7","1") = "6"
    & skf21("3","6","5","5","1","4","1","1") = "5"
    & skf21("3","6","5","5","1","4","2","1") = "5"
    & skf21("3","6","5","5","1","4","3","1") = "5"
    & skf21("3","6","5","5","1","4","4","1") = "5"
    & skf21("3","6","5","5","1","4","5","1") = "5"
    & skf21("3","6","5","5","1","4","6","1") = "5"
    & skf21("3","6","5","5","1","4","7","1") = "6"
    & skf21("3","6","5","5","1","5","1","1") = "5"
    & skf21("3","6","5","5","1","5","2","1") = "5"
    & skf21("3","6","5","5","1","5","3","1") = "5"
    & skf21("3","6","5","5","1","5","4","1") = "5"
    & skf21("3","6","5","5","1","5","5","1") = "5"
    & skf21("3","6","5","5","1","5","6","1") = "5"
    & skf21("3","6","5","5","1","5","7","1") = "6"
    & skf21("3","6","5","5","1","6","1","1") = "5"
    & skf21("3","6","5","5","1","6","2","1") = "5"
    & skf21("3","6","5","5","1","6","3","1") = "5"
    & skf21("3","6","5","5","1","6","4","1") = "5"
    & skf21("3","6","5","5","1","6","5","1") = "5"
    & skf21("3","6","5","5","1","6","6","1") = "5"
    & skf21("3","6","5","5","1","6","7","1") = "6"
    & skf21("3","6","5","5","1","7","1","1") = "6"
    & skf21("3","6","5","5","1","7","2","1") = "6"
    & skf21("3","6","5","5","1","7","3","1") = "6"
    & skf21("3","6","5","5","1","7","4","1") = "6"
    & skf21("3","6","5","5","1","7","5","1") = "6"
    & skf21("3","6","5","5","1","7","6","1") = "6"
    & skf21("3","6","5","5","1","7","7","1") = "6"
    & skf21("3","6","5","5","2","1","1","1") = "5"
    & skf21("3","6","5","5","2","1","2","1") = "5"
    & skf21("3","6","5","5","2","1","3","1") = "5"
    & skf21("3","6","5","5","2","1","4","1") = "5"
    & skf21("3","6","5","5","2","1","5","1") = "5"
    & skf21("3","6","5","5","2","1","6","1") = "5"
    & skf21("3","6","5","5","2","1","7","1") = "6"
    & skf21("3","6","5","5","2","2","1","1") = "5"
    & skf21("3","6","5","5","2","2","2","1") = "5"
    & skf21("3","6","5","5","2","2","3","1") = "5"
    & skf21("3","6","5","5","2","2","4","1") = "5"
    & skf21("3","6","5","5","2","2","5","1") = "5"
    & skf21("3","6","5","5","2","2","6","1") = "5"
    & skf21("3","6","5","5","2","2","7","1") = "6"
    & skf21("3","6","5","5","2","3","1","1") = "5"
    & skf21("3","6","5","5","2","3","2","1") = "5"
    & skf21("3","6","5","5","2","3","3","1") = "5"
    & skf21("3","6","5","5","2","3","4","1") = "5"
    & skf21("3","6","5","5","2","3","5","1") = "5"
    & skf21("3","6","5","5","2","3","6","1") = "5"
    & skf21("3","6","5","5","2","3","7","1") = "6"
    & skf21("3","6","5","5","2","4","1","1") = "5"
    & skf21("3","6","5","5","2","4","2","1") = "5"
    & skf21("3","6","5","5","2","4","3","1") = "5"
    & skf21("3","6","5","5","2","4","4","1") = "5"
    & skf21("3","6","5","5","2","4","5","1") = "5"
    & skf21("3","6","5","5","2","4","6","1") = "5"
    & skf21("3","6","5","5","2","4","7","1") = "6"
    & skf21("3","6","5","5","2","5","1","1") = "5"
    & skf21("3","6","5","5","2","5","2","1") = "5"
    & skf21("3","6","5","5","2","5","3","1") = "5"
    & skf21("3","6","5","5","2","5","4","1") = "5"
    & skf21("3","6","5","5","2","5","5","1") = "5"
    & skf21("3","6","5","5","2","5","6","1") = "5"
    & skf21("3","6","5","5","2","5","7","1") = "6"
    & skf21("3","6","5","5","2","6","1","1") = "5"
    & skf21("3","6","5","5","2","6","2","1") = "5"
    & skf21("3","6","5","5","2","6","3","1") = "5"
    & skf21("3","6","5","5","2","6","4","1") = "5"
    & skf21("3","6","5","5","2","6","5","1") = "5"
    & skf21("3","6","5","5","2","6","6","1") = "5"
    & skf21("3","6","5","5","2","6","7","1") = "6"
    & skf21("3","6","5","5","2","7","1","1") = "6"
    & skf21("3","6","5","5","2","7","2","1") = "6"
    & skf21("3","6","5","5","2","7","3","1") = "6"
    & skf21("3","6","5","5","2","7","4","1") = "6"
    & skf21("3","6","5","5","2","7","5","1") = "6"
    & skf21("3","6","5","5","2","7","6","1") = "6"
    & skf21("3","6","5","5","2","7","7","1") = "6"
    & skf21("3","6","5","5","3","1","1","1") = "5"
    & skf21("3","6","5","5","3","1","2","1") = "5"
    & skf21("3","6","5","5","3","1","3","1") = "5"
    & skf21("3","6","5","5","3","1","4","1") = "5"
    & skf21("3","6","5","5","3","1","5","1") = "5"
    & skf21("3","6","5","5","3","1","6","1") = "5"
    & skf21("3","6","5","5","3","1","7","1") = "6"
    & skf21("3","6","5","5","3","2","1","1") = "5"
    & skf21("3","6","5","5","3","2","2","1") = "5"
    & skf21("3","6","5","5","3","2","3","1") = "5"
    & skf21("3","6","5","5","3","2","4","1") = "5"
    & skf21("3","6","5","5","3","2","5","1") = "5"
    & skf21("3","6","5","5","3","2","6","1") = "5"
    & skf21("3","6","5","5","3","2","7","1") = "6"
    & skf21("3","6","5","5","3","3","1","1") = "5"
    & skf21("3","6","5","5","3","3","2","1") = "5"
    & skf21("3","6","5","5","3","3","3","1") = "5"
    & skf21("3","6","5","5","3","3","4","1") = "5"
    & skf21("3","6","5","5","3","3","5","1") = "5"
    & skf21("3","6","5","5","3","3","6","1") = "5"
    & skf21("3","6","5","5","3","3","7","1") = "6"
    & skf21("3","6","5","5","3","4","1","1") = "5"
    & skf21("3","6","5","5","3","4","2","1") = "5"
    & skf21("3","6","5","5","3","4","3","1") = "5"
    & skf21("3","6","5","5","3","4","4","1") = "5"
    & skf21("3","6","5","5","3","4","5","1") = "5"
    & skf21("3","6","5","5","3","4","6","1") = "5"
    & skf21("3","6","5","5","3","4","7","1") = "6"
    & skf21("3","6","5","5","3","5","1","1") = "5"
    & skf21("3","6","5","5","3","5","2","1") = "5"
    & skf21("3","6","5","5","3","5","3","1") = "5"
    & skf21("3","6","5","5","3","5","4","1") = "5"
    & skf21("3","6","5","5","3","5","5","1") = "5"
    & skf21("3","6","5","5","3","5","6","1") = "5"
    & skf21("3","6","5","5","3","5","7","1") = "6"
    & skf21("3","6","5","5","3","6","1","1") = "5"
    & skf21("3","6","5","5","3","6","2","1") = "5"
    & skf21("3","6","5","5","3","6","3","1") = "5"
    & skf21("3","6","5","5","3","6","4","1") = "5"
    & skf21("3","6","5","5","3","6","5","1") = "5"
    & skf21("3","6","5","5","3","6","6","1") = "5"
    & skf21("3","6","5","5","3","6","7","1") = "6"
    & skf21("3","6","5","5","3","7","1","1") = "6"
    & skf21("3","6","5","5","3","7","2","1") = "6"
    & skf21("3","6","5","5","3","7","3","1") = "6"
    & skf21("3","6","5","5","3","7","4","1") = "6"
    & skf21("3","6","5","5","3","7","5","1") = "6"
    & skf21("3","6","5","5","3","7","6","1") = "6"
    & skf21("3","6","5","5","3","7","7","1") = "6"
    & skf21("3","6","5","5","4","1","1","1") = "5"
    & skf21("3","6","5","5","4","1","2","1") = "5"
    & skf21("3","6","5","5","4","1","3","1") = "5"
    & skf21("3","6","5","5","4","1","4","1") = "5"
    & skf21("3","6","5","5","4","1","5","1") = "5"
    & skf21("3","6","5","5","4","1","6","1") = "5"
    & skf21("3","6","5","5","4","1","7","1") = "6"
    & skf21("3","6","5","5","4","2","1","1") = "5"
    & skf21("3","6","5","5","4","2","2","1") = "5"
    & skf21("3","6","5","5","4","2","3","1") = "5"
    & skf21("3","6","5","5","4","2","4","1") = "5"
    & skf21("3","6","5","5","4","2","5","1") = "5"
    & skf21("3","6","5","5","4","2","6","1") = "5"
    & skf21("3","6","5","5","4","2","7","1") = "6"
    & skf21("3","6","5","5","4","3","1","1") = "5"
    & skf21("3","6","5","5","4","3","2","1") = "5"
    & skf21("3","6","5","5","4","3","3","1") = "5"
    & skf21("3","6","5","5","4","3","4","1") = "5"
    & skf21("3","6","5","5","4","3","5","1") = "5"
    & skf21("3","6","5","5","4","3","6","1") = "5"
    & skf21("3","6","5","5","4","3","7","1") = "6"
    & skf21("3","6","5","5","4","4","1","1") = "5"
    & skf21("3","6","5","5","4","4","2","1") = "5"
    & skf21("3","6","5","5","4","4","3","1") = "5"
    & skf21("3","6","5","5","4","4","4","1") = "5"
    & skf21("3","6","5","5","4","4","5","1") = "5"
    & skf21("3","6","5","5","4","4","6","1") = "5"
    & skf21("3","6","5","5","4","4","7","1") = "6"
    & skf21("3","6","5","5","4","5","1","1") = "5"
    & skf21("3","6","5","5","4","5","2","1") = "5"
    & skf21("3","6","5","5","4","5","3","1") = "5"
    & skf21("3","6","5","5","4","5","4","1") = "5"
    & skf21("3","6","5","5","4","5","5","1") = "5"
    & skf21("3","6","5","5","4","5","6","1") = "5"
    & skf21("3","6","5","5","4","5","7","1") = "6"
    & skf21("3","6","5","5","4","6","1","1") = "5"
    & skf21("3","6","5","5","4","6","2","1") = "5"
    & skf21("3","6","5","5","4","6","3","1") = "5"
    & skf21("3","6","5","5","4","6","4","1") = "5"
    & skf21("3","6","5","5","4","6","5","1") = "5"
    & skf21("3","6","5","5","4","6","6","1") = "5"
    & skf21("3","6","5","5","4","6","7","1") = "6"
    & skf21("3","6","5","5","4","7","1","1") = "6"
    & skf21("3","6","5","5","4","7","2","1") = "6"
    & skf21("3","6","5","5","4","7","3","1") = "6"
    & skf21("3","6","5","5","4","7","4","1") = "6"
    & skf21("3","6","5","5","4","7","5","1") = "6"
    & skf21("3","6","5","5","4","7","6","1") = "6"
    & skf21("3","6","5","5","4","7","7","1") = "6"
    & skf21("3","6","5","5","5","1","1","1") = "5"
    & skf21("3","6","5","5","5","1","2","1") = "5"
    & skf21("3","6","5","5","5","1","3","1") = "5"
    & skf21("3","6","5","5","5","1","4","1") = "5"
    & skf21("3","6","5","5","5","1","5","1") = "5"
    & skf21("3","6","5","5","5","1","6","1") = "5"
    & skf21("3","6","5","5","5","1","7","1") = "6"
    & skf21("3","6","5","5","5","2","1","1") = "5"
    & skf21("3","6","5","5","5","2","2","1") = "5"
    & skf21("3","6","5","5","5","2","3","1") = "5"
    & skf21("3","6","5","5","5","2","4","1") = "5"
    & skf21("3","6","5","5","5","2","5","1") = "5"
    & skf21("3","6","5","5","5","2","6","1") = "5"
    & skf21("3","6","5","5","5","2","7","1") = "6"
    & skf21("3","6","5","5","5","3","1","1") = "5"
    & skf21("3","6","5","5","5","3","2","1") = "5"
    & skf21("3","6","5","5","5","3","3","1") = "5"
    & skf21("3","6","5","5","5","3","4","1") = "5"
    & skf21("3","6","5","5","5","3","5","1") = "5"
    & skf21("3","6","5","5","5","3","6","1") = "5"
    & skf21("3","6","5","5","5","3","7","1") = "6"
    & skf21("3","6","5","5","5","4","1","1") = "5"
    & skf21("3","6","5","5","5","4","2","1") = "5"
    & skf21("3","6","5","5","5","4","3","1") = "5"
    & skf21("3","6","5","5","5","4","4","1") = "5"
    & skf21("3","6","5","5","5","4","5","1") = "5"
    & skf21("3","6","5","5","5","4","6","1") = "5"
    & skf21("3","6","5","5","5","4","7","1") = "6"
    & skf21("3","6","5","5","5","5","1","1") = "5"
    & skf21("3","6","5","5","5","5","2","1") = "5"
    & skf21("3","6","5","5","5","5","3","1") = "5"
    & skf21("3","6","5","5","5","5","4","1") = "5"
    & skf21("3","6","5","5","5","5","5","1") = "5"
    & skf21("3","6","5","5","5","5","6","1") = "5"
    & skf21("3","6","5","5","5","5","7","1") = "6"
    & skf21("3","6","5","5","5","6","1","1") = "5"
    & skf21("3","6","5","5","5","6","2","1") = "5"
    & skf21("3","6","5","5","5","6","3","1") = "5"
    & skf21("3","6","5","5","5","6","4","1") = "5"
    & skf21("3","6","5","5","5","6","5","1") = "5"
    & skf21("3","6","5","5","5","6","6","1") = "5"
    & skf21("3","6","5","5","5","6","7","1") = "6"
    & skf21("3","6","5","5","5","7","1","1") = "6"
    & skf21("3","6","5","5","5","7","2","1") = "6"
    & skf21("3","6","5","5","5","7","3","1") = "6"
    & skf21("3","6","5","5","5","7","4","1") = "6"
    & skf21("3","6","5","5","5","7","5","1") = "6"
    & skf21("3","6","5","5","5","7","6","1") = "6"
    & skf21("3","6","5","5","5","7","7","1") = "6"
    & skf21("3","6","5","5","6","1","1","1") = "5"
    & skf21("3","6","5","5","6","1","2","1") = "5"
    & skf21("3","6","5","5","6","1","3","1") = "5"
    & skf21("3","6","5","5","6","1","4","1") = "5"
    & skf21("3","6","5","5","6","1","5","1") = "5"
    & skf21("3","6","5","5","6","1","6","1") = "5"
    & skf21("3","6","5","5","6","1","7","1") = "6"
    & skf21("3","6","5","5","6","2","1","1") = "5"
    & skf21("3","6","5","5","6","2","2","1") = "5"
    & skf21("3","6","5","5","6","2","3","1") = "5"
    & skf21("3","6","5","5","6","2","4","1") = "5"
    & skf21("3","6","5","5","6","2","5","1") = "5"
    & skf21("3","6","5","5","6","2","6","1") = "5"
    & skf21("3","6","5","5","6","2","7","1") = "6"
    & skf21("3","6","5","5","6","3","1","1") = "5"
    & skf21("3","6","5","5","6","3","2","1") = "5"
    & skf21("3","6","5","5","6","3","3","1") = "5"
    & skf21("3","6","5","5","6","3","4","1") = "5"
    & skf21("3","6","5","5","6","3","5","1") = "5"
    & skf21("3","6","5","5","6","3","6","1") = "5"
    & skf21("3","6","5","5","6","3","7","1") = "6"
    & skf21("3","6","5","5","6","4","1","1") = "5"
    & skf21("3","6","5","5","6","4","2","1") = "5"
    & skf21("3","6","5","5","6","4","3","1") = "5"
    & skf21("3","6","5","5","6","4","4","1") = "5"
    & skf21("3","6","5","5","6","4","5","1") = "5"
    & skf21("3","6","5","5","6","4","6","1") = "5"
    & skf21("3","6","5","5","6","4","7","1") = "6"
    & skf21("3","6","5","5","6","5","1","1") = "5"
    & skf21("3","6","5","5","6","5","2","1") = "5"
    & skf21("3","6","5","5","6","5","3","1") = "5"
    & skf21("3","6","5","5","6","5","4","1") = "5"
    & skf21("3","6","5","5","6","5","5","1") = "5"
    & skf21("3","6","5","5","6","5","6","1") = "5"
    & skf21("3","6","5","5","6","5","7","1") = "6"
    & skf21("3","6","5","5","6","6","1","1") = "5"
    & skf21("3","6","5","5","6","6","2","1") = "5"
    & skf21("3","6","5","5","6","6","3","1") = "5"
    & skf21("3","6","5","5","6","6","4","1") = "5"
    & skf21("3","6","5","5","6","6","5","1") = "5"
    & skf21("3","6","5","5","6","6","6","1") = "5"
    & skf21("3","6","5","5","6","6","7","1") = "6"
    & skf21("3","6","5","5","6","7","1","1") = "6"
    & skf21("3","6","5","5","6","7","2","1") = "6"
    & skf21("3","6","5","5","6","7","3","1") = "6"
    & skf21("3","6","5","5","6","7","4","1") = "6"
    & skf21("3","6","5","5","6","7","5","1") = "6"
    & skf21("3","6","5","5","6","7","6","1") = "6"
    & skf21("3","6","5","5","6","7","7","1") = "6"
    & skf21("3","6","5","5","7","1","1","1") = "6"
    & skf21("3","6","5","5","7","1","2","1") = "6"
    & skf21("3","6","5","5","7","1","3","1") = "6"
    & skf21("3","6","5","5","7","1","4","1") = "6"
    & skf21("3","6","5","5","7","1","5","1") = "6"
    & skf21("3","6","5","5","7","1","6","1") = "6"
    & skf21("3","6","5","5","7","1","7","1") = "6"
    & skf21("3","6","5","5","7","2","1","1") = "6"
    & skf21("3","6","5","5","7","2","2","1") = "6"
    & skf21("3","6","5","5","7","2","3","1") = "6"
    & skf21("3","6","5","5","7","2","4","1") = "6"
    & skf21("3","6","5","5","7","2","5","1") = "6"
    & skf21("3","6","5","5","7","2","6","1") = "6"
    & skf21("3","6","5","5","7","2","7","1") = "6"
    & skf21("3","6","5","5","7","3","1","1") = "6"
    & skf21("3","6","5","5","7","3","2","1") = "6"
    & skf21("3","6","5","5","7","3","3","1") = "6"
    & skf21("3","6","5","5","7","3","4","1") = "6"
    & skf21("3","6","5","5","7","3","5","1") = "6"
    & skf21("3","6","5","5","7","3","6","1") = "6"
    & skf21("3","6","5","5","7","3","7","1") = "6"
    & skf21("3","6","5","5","7","4","1","1") = "6"
    & skf21("3","6","5","5","7","4","2","1") = "6"
    & skf21("3","6","5","5","7","4","3","1") = "6"
    & skf21("3","6","5","5","7","4","4","1") = "6"
    & skf21("3","6","5","5","7","4","5","1") = "6"
    & skf21("3","6","5","5","7","4","6","1") = "6"
    & skf21("3","6","5","5","7","4","7","1") = "6"
    & skf21("3","6","5","5","7","5","1","1") = "6"
    & skf21("3","6","5","5","7","5","2","1") = "6"
    & skf21("3","6","5","5","7","5","3","1") = "6"
    & skf21("3","6","5","5","7","5","4","1") = "6"
    & skf21("3","6","5","5","7","5","5","1") = "6"
    & skf21("3","6","5","5","7","5","6","1") = "6"
    & skf21("3","6","5","5","7","5","7","1") = "6"
    & skf21("3","6","5","5","7","6","1","1") = "6"
    & skf21("3","6","5","5","7","6","2","1") = "6"
    & skf21("3","6","5","5","7","6","3","1") = "6"
    & skf21("3","6","5","5","7","6","4","1") = "6"
    & skf21("3","6","5","5","7","6","5","1") = "6"
    & skf21("3","6","5","5","7","6","6","1") = "6"
    & skf21("3","6","5","5","7","6","7","1") = "6"
    & skf21("3","6","5","5","7","7","1","1") = "6"
    & skf21("3","6","5","5","7","7","2","1") = "6"
    & skf21("3","6","5","5","7","7","3","1") = "6"
    & skf21("3","6","5","5","7","7","4","1") = "6"
    & skf21("3","6","5","5","7","7","5","1") = "6"
    & skf21("3","6","5","5","7","7","6","1") = "6"
    & skf21("3","6","5","5","7","7","7","1") = "6"
    & skf21("3","6","5","6","1","1","1","1") = "5"
    & skf21("3","6","5","6","1","1","2","1") = "5"
    & skf21("3","6","5","6","1","1","3","1") = "5"
    & skf21("3","6","5","6","1","1","4","1") = "5"
    & skf21("3","6","5","6","1","1","5","1") = "5"
    & skf21("3","6","5","6","1","1","6","1") = "5"
    & skf21("3","6","5","6","1","1","7","1") = "6"
    & skf21("3","6","5","6","1","2","1","1") = "5"
    & skf21("3","6","5","6","1","2","2","1") = "5"
    & skf21("3","6","5","6","1","2","3","1") = "5"
    & skf21("3","6","5","6","1","2","4","1") = "5"
    & skf21("3","6","5","6","1","2","5","1") = "5"
    & skf21("3","6","5","6","1","2","6","1") = "5"
    & skf21("3","6","5","6","1","2","7","1") = "6"
    & skf21("3","6","5","6","1","3","1","1") = "5"
    & skf21("3","6","5","6","1","3","2","1") = "5"
    & skf21("3","6","5","6","1","3","3","1") = "5"
    & skf21("3","6","5","6","1","3","4","1") = "5"
    & skf21("3","6","5","6","1","3","5","1") = "5"
    & skf21("3","6","5","6","1","3","6","1") = "5"
    & skf21("3","6","5","6","1","3","7","1") = "6"
    & skf21("3","6","5","6","1","4","1","1") = "5"
    & skf21("3","6","5","6","1","4","2","1") = "5"
    & skf21("3","6","5","6","1","4","3","1") = "5"
    & skf21("3","6","5","6","1","4","4","1") = "5"
    & skf21("3","6","5","6","1","4","5","1") = "5"
    & skf21("3","6","5","6","1","4","6","1") = "5"
    & skf21("3","6","5","6","1","4","7","1") = "6"
    & skf21("3","6","5","6","1","5","1","1") = "5"
    & skf21("3","6","5","6","1","5","2","1") = "5"
    & skf21("3","6","5","6","1","5","3","1") = "5"
    & skf21("3","6","5","6","1","5","4","1") = "5"
    & skf21("3","6","5","6","1","5","5","1") = "5"
    & skf21("3","6","5","6","1","5","6","1") = "5"
    & skf21("3","6","5","6","1","5","7","1") = "6"
    & skf21("3","6","5","6","1","6","1","1") = "5"
    & skf21("3","6","5","6","1","6","2","1") = "5"
    & skf21("3","6","5","6","1","6","3","1") = "5"
    & skf21("3","6","5","6","1","6","4","1") = "5"
    & skf21("3","6","5","6","1","6","5","1") = "5"
    & skf21("3","6","5","6","1","6","6","1") = "5"
    & skf21("3","6","5","6","1","6","7","1") = "6"
    & skf21("3","6","5","6","1","7","1","1") = "6"
    & skf21("3","6","5","6","1","7","2","1") = "6"
    & skf21("3","6","5","6","1","7","3","1") = "6"
    & skf21("3","6","5","6","1","7","4","1") = "6"
    & skf21("3","6","5","6","1","7","5","1") = "6"
    & skf21("3","6","5","6","1","7","6","1") = "6"
    & skf21("3","6","5","6","1","7","7","1") = "6"
    & skf21("3","6","5","6","2","1","1","1") = "5"
    & skf21("3","6","5","6","2","1","2","1") = "5"
    & skf21("3","6","5","6","2","1","3","1") = "5"
    & skf21("3","6","5","6","2","1","4","1") = "5"
    & skf21("3","6","5","6","2","1","5","1") = "5"
    & skf21("3","6","5","6","2","1","6","1") = "5"
    & skf21("3","6","5","6","2","1","7","1") = "6"
    & skf21("3","6","5","6","2","2","1","1") = "5"
    & skf21("3","6","5","6","2","2","2","1") = "5"
    & skf21("3","6","5","6","2","2","3","1") = "5"
    & skf21("3","6","5","6","2","2","4","1") = "5"
    & skf21("3","6","5","6","2","2","5","1") = "5"
    & skf21("3","6","5","6","2","2","6","1") = "5"
    & skf21("3","6","5","6","2","2","7","1") = "6"
    & skf21("3","6","5","6","2","3","1","1") = "5"
    & skf21("3","6","5","6","2","3","2","1") = "5"
    & skf21("3","6","5","6","2","3","3","1") = "5"
    & skf21("3","6","5","6","2","3","4","1") = "5"
    & skf21("3","6","5","6","2","3","5","1") = "5"
    & skf21("3","6","5","6","2","3","6","1") = "5"
    & skf21("3","6","5","6","2","3","7","1") = "6"
    & skf21("3","6","5","6","2","4","1","1") = "5"
    & skf21("3","6","5","6","2","4","2","1") = "5"
    & skf21("3","6","5","6","2","4","3","1") = "5"
    & skf21("3","6","5","6","2","4","4","1") = "5"
    & skf21("3","6","5","6","2","4","5","1") = "5"
    & skf21("3","6","5","6","2","4","6","1") = "5"
    & skf21("3","6","5","6","2","4","7","1") = "6"
    & skf21("3","6","5","6","2","5","1","1") = "5"
    & skf21("3","6","5","6","2","5","2","1") = "5"
    & skf21("3","6","5","6","2","5","3","1") = "5"
    & skf21("3","6","5","6","2","5","4","1") = "5"
    & skf21("3","6","5","6","2","5","5","1") = "5"
    & skf21("3","6","5","6","2","5","6","1") = "5"
    & skf21("3","6","5","6","2","5","7","1") = "6"
    & skf21("3","6","5","6","2","6","1","1") = "5"
    & skf21("3","6","5","6","2","6","2","1") = "5"
    & skf21("3","6","5","6","2","6","3","1") = "5"
    & skf21("3","6","5","6","2","6","4","1") = "5"
    & skf21("3","6","5","6","2","6","5","1") = "5"
    & skf21("3","6","5","6","2","6","6","1") = "5"
    & skf21("3","6","5","6","2","6","7","1") = "6"
    & skf21("3","6","5","6","2","7","1","1") = "6"
    & skf21("3","6","5","6","2","7","2","1") = "6"
    & skf21("3","6","5","6","2","7","3","1") = "6"
    & skf21("3","6","5","6","2","7","4","1") = "6"
    & skf21("3","6","5","6","2","7","5","1") = "6"
    & skf21("3","6","5","6","2","7","6","1") = "6"
    & skf21("3","6","5","6","2","7","7","1") = "6"
    & skf21("3","6","5","6","3","1","1","1") = "5"
    & skf21("3","6","5","6","3","1","2","1") = "5"
    & skf21("3","6","5","6","3","1","3","1") = "5"
    & skf21("3","6","5","6","3","1","4","1") = "5"
    & skf21("3","6","5","6","3","1","5","1") = "5"
    & skf21("3","6","5","6","3","1","6","1") = "5"
    & skf21("3","6","5","6","3","1","7","1") = "6"
    & skf21("3","6","5","6","3","2","1","1") = "5"
    & skf21("3","6","5","6","3","2","2","1") = "5"
    & skf21("3","6","5","6","3","2","3","1") = "5"
    & skf21("3","6","5","6","3","2","4","1") = "5"
    & skf21("3","6","5","6","3","2","5","1") = "5"
    & skf21("3","6","5","6","3","2","6","1") = "5"
    & skf21("3","6","5","6","3","2","7","1") = "6"
    & skf21("3","6","5","6","3","3","1","1") = "5"
    & skf21("3","6","5","6","3","3","2","1") = "5"
    & skf21("3","6","5","6","3","3","3","1") = "5"
    & skf21("3","6","5","6","3","3","4","1") = "5"
    & skf21("3","6","5","6","3","3","5","1") = "5"
    & skf21("3","6","5","6","3","3","6","1") = "5"
    & skf21("3","6","5","6","3","3","7","1") = "6"
    & skf21("3","6","5","6","3","4","1","1") = "5"
    & skf21("3","6","5","6","3","4","2","1") = "5"
    & skf21("3","6","5","6","3","4","3","1") = "5"
    & skf21("3","6","5","6","3","4","4","1") = "5"
    & skf21("3","6","5","6","3","4","5","1") = "5"
    & skf21("3","6","5","6","3","4","6","1") = "5"
    & skf21("3","6","5","6","3","4","7","1") = "6"
    & skf21("3","6","5","6","3","5","1","1") = "5"
    & skf21("3","6","5","6","3","5","2","1") = "5"
    & skf21("3","6","5","6","3","5","3","1") = "5"
    & skf21("3","6","5","6","3","5","4","1") = "5"
    & skf21("3","6","5","6","3","5","5","1") = "5"
    & skf21("3","6","5","6","3","5","6","1") = "5"
    & skf21("3","6","5","6","3","5","7","1") = "6"
    & skf21("3","6","5","6","3","6","1","1") = "5"
    & skf21("3","6","5","6","3","6","2","1") = "5"
    & skf21("3","6","5","6","3","6","3","1") = "5"
    & skf21("3","6","5","6","3","6","4","1") = "5"
    & skf21("3","6","5","6","3","6","5","1") = "5"
    & skf21("3","6","5","6","3","6","6","1") = "5"
    & skf21("3","6","5","6","3","6","7","1") = "6"
    & skf21("3","6","5","6","3","7","1","1") = "6"
    & skf21("3","6","5","6","3","7","2","1") = "6"
    & skf21("3","6","5","6","3","7","3","1") = "6"
    & skf21("3","6","5","6","3","7","4","1") = "6"
    & skf21("3","6","5","6","3","7","5","1") = "6"
    & skf21("3","6","5","6","3","7","6","1") = "6"
    & skf21("3","6","5","6","3","7","7","1") = "6"
    & skf21("3","6","5","6","4","1","1","1") = "5"
    & skf21("3","6","5","6","4","1","2","1") = "5"
    & skf21("3","6","5","6","4","1","3","1") = "5"
    & skf21("3","6","5","6","4","1","4","1") = "5"
    & skf21("3","6","5","6","4","1","5","1") = "5"
    & skf21("3","6","5","6","4","1","6","1") = "5"
    & skf21("3","6","5","6","4","1","7","1") = "6"
    & skf21("3","6","5","6","4","2","1","1") = "5"
    & skf21("3","6","5","6","4","2","2","1") = "5"
    & skf21("3","6","5","6","4","2","3","1") = "5"
    & skf21("3","6","5","6","4","2","4","1") = "5"
    & skf21("3","6","5","6","4","2","5","1") = "5"
    & skf21("3","6","5","6","4","2","6","1") = "5"
    & skf21("3","6","5","6","4","2","7","1") = "6"
    & skf21("3","6","5","6","4","3","1","1") = "5"
    & skf21("3","6","5","6","4","3","2","1") = "5"
    & skf21("3","6","5","6","4","3","3","1") = "5"
    & skf21("3","6","5","6","4","3","4","1") = "5"
    & skf21("3","6","5","6","4","3","5","1") = "5"
    & skf21("3","6","5","6","4","3","6","1") = "5"
    & skf21("3","6","5","6","4","3","7","1") = "6"
    & skf21("3","6","5","6","4","4","1","1") = "5"
    & skf21("3","6","5","6","4","4","2","1") = "5"
    & skf21("3","6","5","6","4","4","3","1") = "5"
    & skf21("3","6","5","6","4","4","4","1") = "5"
    & skf21("3","6","5","6","4","4","5","1") = "5"
    & skf21("3","6","5","6","4","4","6","1") = "5"
    & skf21("3","6","5","6","4","4","7","1") = "6"
    & skf21("3","6","5","6","4","5","1","1") = "5"
    & skf21("3","6","5","6","4","5","2","1") = "5"
    & skf21("3","6","5","6","4","5","3","1") = "5"
    & skf21("3","6","5","6","4","5","4","1") = "5"
    & skf21("3","6","5","6","4","5","5","1") = "5"
    & skf21("3","6","5","6","4","5","6","1") = "5"
    & skf21("3","6","5","6","4","5","7","1") = "6"
    & skf21("3","6","5","6","4","6","1","1") = "5"
    & skf21("3","6","5","6","4","6","2","1") = "5"
    & skf21("3","6","5","6","4","6","3","1") = "5"
    & skf21("3","6","5","6","4","6","4","1") = "5"
    & skf21("3","6","5","6","4","6","5","1") = "5"
    & skf21("3","6","5","6","4","6","6","1") = "5"
    & skf21("3","6","5","6","4","6","7","1") = "6"
    & skf21("3","6","5","6","4","7","1","1") = "6"
    & skf21("3","6","5","6","4","7","2","1") = "6"
    & skf21("3","6","5","6","4","7","3","1") = "6"
    & skf21("3","6","5","6","4","7","4","1") = "6"
    & skf21("3","6","5","6","4","7","5","1") = "6"
    & skf21("3","6","5","6","4","7","6","1") = "6"
    & skf21("3","6","5","6","4","7","7","1") = "6"
    & skf21("3","6","5","6","5","1","1","1") = "5"
    & skf21("3","6","5","6","5","1","2","1") = "5"
    & skf21("3","6","5","6","5","1","3","1") = "5"
    & skf21("3","6","5","6","5","1","4","1") = "5"
    & skf21("3","6","5","6","5","1","5","1") = "5"
    & skf21("3","6","5","6","5","1","6","1") = "5"
    & skf21("3","6","5","6","5","1","7","1") = "6"
    & skf21("3","6","5","6","5","2","1","1") = "5"
    & skf21("3","6","5","6","5","2","2","1") = "5"
    & skf21("3","6","5","6","5","2","3","1") = "5"
    & skf21("3","6","5","6","5","2","4","1") = "5"
    & skf21("3","6","5","6","5","2","5","1") = "5"
    & skf21("3","6","5","6","5","2","6","1") = "5"
    & skf21("3","6","5","6","5","2","7","1") = "6"
    & skf21("3","6","5","6","5","3","1","1") = "5"
    & skf21("3","6","5","6","5","3","2","1") = "5"
    & skf21("3","6","5","6","5","3","3","1") = "5"
    & skf21("3","6","5","6","5","3","4","1") = "5"
    & skf21("3","6","5","6","5","3","5","1") = "5"
    & skf21("3","6","5","6","5","3","6","1") = "5"
    & skf21("3","6","5","6","5","3","7","1") = "6"
    & skf21("3","6","5","6","5","4","1","1") = "5"
    & skf21("3","6","5","6","5","4","2","1") = "5"
    & skf21("3","6","5","6","5","4","3","1") = "5"
    & skf21("3","6","5","6","5","4","4","1") = "5"
    & skf21("3","6","5","6","5","4","5","1") = "5"
    & skf21("3","6","5","6","5","4","6","1") = "5"
    & skf21("3","6","5","6","5","4","7","1") = "6"
    & skf21("3","6","5","6","5","5","1","1") = "5"
    & skf21("3","6","5","6","5","5","2","1") = "5"
    & skf21("3","6","5","6","5","5","3","1") = "5"
    & skf21("3","6","5","6","5","5","4","1") = "5"
    & skf21("3","6","5","6","5","5","5","1") = "5"
    & skf21("3","6","5","6","5","5","6","1") = "5"
    & skf21("3","6","5","6","5","5","7","1") = "6"
    & skf21("3","6","5","6","5","6","1","1") = "5"
    & skf21("3","6","5","6","5","6","2","1") = "5"
    & skf21("3","6","5","6","5","6","3","1") = "5"
    & skf21("3","6","5","6","5","6","4","1") = "5"
    & skf21("3","6","5","6","5","6","5","1") = "5"
    & skf21("3","6","5","6","5","6","6","1") = "5"
    & skf21("3","6","5","6","5","6","7","1") = "6"
    & skf21("3","6","5","6","5","7","1","1") = "6"
    & skf21("3","6","5","6","5","7","2","1") = "6"
    & skf21("3","6","5","6","5","7","3","1") = "6"
    & skf21("3","6","5","6","5","7","4","1") = "6"
    & skf21("3","6","5","6","5","7","5","1") = "6"
    & skf21("3","6","5","6","5","7","6","1") = "6"
    & skf21("3","6","5","6","5","7","7","1") = "6"
    & skf21("3","6","5","6","6","1","1","1") = "5"
    & skf21("3","6","5","6","6","1","2","1") = "5"
    & skf21("3","6","5","6","6","1","3","1") = "5"
    & skf21("3","6","5","6","6","1","4","1") = "5"
    & skf21("3","6","5","6","6","1","5","1") = "5"
    & skf21("3","6","5","6","6","1","6","1") = "5"
    & skf21("3","6","5","6","6","1","7","1") = "6"
    & skf21("3","6","5","6","6","2","1","1") = "5"
    & skf21("3","6","5","6","6","2","2","1") = "5"
    & skf21("3","6","5","6","6","2","3","1") = "5"
    & skf21("3","6","5","6","6","2","4","1") = "5"
    & skf21("3","6","5","6","6","2","5","1") = "5"
    & skf21("3","6","5","6","6","2","6","1") = "5"
    & skf21("3","6","5","6","6","2","7","1") = "6"
    & skf21("3","6","5","6","6","3","1","1") = "5"
    & skf21("3","6","5","6","6","3","2","1") = "5"
    & skf21("3","6","5","6","6","3","3","1") = "5"
    & skf21("3","6","5","6","6","3","4","1") = "5"
    & skf21("3","6","5","6","6","3","5","1") = "5"
    & skf21("3","6","5","6","6","3","6","1") = "5"
    & skf21("3","6","5","6","6","3","7","1") = "6"
    & skf21("3","6","5","6","6","4","1","1") = "5"
    & skf21("3","6","5","6","6","4","2","1") = "5"
    & skf21("3","6","5","6","6","4","3","1") = "5"
    & skf21("3","6","5","6","6","4","4","1") = "5"
    & skf21("3","6","5","6","6","4","5","1") = "5"
    & skf21("3","6","5","6","6","4","6","1") = "5"
    & skf21("3","6","5","6","6","4","7","1") = "6"
    & skf21("3","6","5","6","6","5","1","1") = "5"
    & skf21("3","6","5","6","6","5","2","1") = "5"
    & skf21("3","6","5","6","6","5","3","1") = "5"
    & skf21("3","6","5","6","6","5","4","1") = "5"
    & skf21("3","6","5","6","6","5","5","1") = "5"
    & skf21("3","6","5","6","6","5","6","1") = "5"
    & skf21("3","6","5","6","6","5","7","1") = "6"
    & skf21("3","6","5","6","6","6","1","1") = "5"
    & skf21("3","6","5","6","6","6","2","1") = "5"
    & skf21("3","6","5","6","6","6","3","1") = "5"
    & skf21("3","6","5","6","6","6","4","1") = "5"
    & skf21("3","6","5","6","6","6","5","1") = "5"
    & skf21("3","6","5","6","6","6","6","1") = "5"
    & skf21("3","6","5","6","6","6","7","1") = "6"
    & skf21("3","6","5","6","6","7","1","1") = "6"
    & skf21("3","6","5","6","6","7","2","1") = "6"
    & skf21("3","6","5","6","6","7","3","1") = "6"
    & skf21("3","6","5","6","6","7","4","1") = "6"
    & skf21("3","6","5","6","6","7","5","1") = "6"
    & skf21("3","6","5","6","6","7","6","1") = "6"
    & skf21("3","6","5","6","6","7","7","1") = "6"
    & skf21("3","6","5","6","7","1","1","1") = "6"
    & skf21("3","6","5","6","7","1","2","1") = "6"
    & skf21("3","6","5","6","7","1","3","1") = "6"
    & skf21("3","6","5","6","7","1","4","1") = "6"
    & skf21("3","6","5","6","7","1","5","1") = "6"
    & skf21("3","6","5","6","7","1","6","1") = "6"
    & skf21("3","6","5","6","7","1","7","1") = "6"
    & skf21("3","6","5","6","7","2","1","1") = "6"
    & skf21("3","6","5","6","7","2","2","1") = "6"
    & skf21("3","6","5","6","7","2","3","1") = "6"
    & skf21("3","6","5","6","7","2","4","1") = "6"
    & skf21("3","6","5","6","7","2","5","1") = "6"
    & skf21("3","6","5","6","7","2","6","1") = "6"
    & skf21("3","6","5","6","7","2","7","1") = "6"
    & skf21("3","6","5","6","7","3","1","1") = "6"
    & skf21("3","6","5","6","7","3","2","1") = "6"
    & skf21("3","6","5","6","7","3","3","1") = "6"
    & skf21("3","6","5","6","7","3","4","1") = "6"
    & skf21("3","6","5","6","7","3","5","1") = "6"
    & skf21("3","6","5","6","7","3","6","1") = "6"
    & skf21("3","6","5","6","7","3","7","1") = "6"
    & skf21("3","6","5","6","7","4","1","1") = "6"
    & skf21("3","6","5","6","7","4","2","1") = "6"
    & skf21("3","6","5","6","7","4","3","1") = "6"
    & skf21("3","6","5","6","7","4","4","1") = "6"
    & skf21("3","6","5","6","7","4","5","1") = "6"
    & skf21("3","6","5","6","7","4","6","1") = "6"
    & skf21("3","6","5","6","7","4","7","1") = "6"
    & skf21("3","6","5","6","7","5","1","1") = "6"
    & skf21("3","6","5","6","7","5","2","1") = "6"
    & skf21("3","6","5","6","7","5","3","1") = "6"
    & skf21("3","6","5","6","7","5","4","1") = "6"
    & skf21("3","6","5","6","7","5","5","1") = "6"
    & skf21("3","6","5","6","7","5","6","1") = "6"
    & skf21("3","6","5","6","7","5","7","1") = "6"
    & skf21("3","6","5","6","7","6","1","1") = "6"
    & skf21("3","6","5","6","7","6","2","1") = "6"
    & skf21("3","6","5","6","7","6","3","1") = "6"
    & skf21("3","6","5","6","7","6","4","1") = "6"
    & skf21("3","6","5","6","7","6","5","1") = "6"
    & skf21("3","6","5","6","7","6","6","1") = "6"
    & skf21("3","6","5","6","7","6","7","1") = "6"
    & skf21("3","6","5","6","7","7","1","1") = "6"
    & skf21("3","6","5","6","7","7","2","1") = "6"
    & skf21("3","6","5","6","7","7","3","1") = "6"
    & skf21("3","6","5","6","7","7","4","1") = "6"
    & skf21("3","6","5","6","7","7","5","1") = "6"
    & skf21("3","6","5","6","7","7","6","1") = "6"
    & skf21("3","6","5","6","7","7","7","1") = "6"
    & skf21("3","6","5","7","1","1","1","1") = "6"
    & skf21("3","6","5","7","1","1","2","1") = "6"
    & skf21("3","6","5","7","1","1","3","1") = "6"
    & skf21("3","6","5","7","1","1","4","1") = "6"
    & skf21("3","6","5","7","1","1","5","1") = "6"
    & skf21("3","6","5","7","1","1","6","1") = "6"
    & skf21("3","6","5","7","1","1","7","1") = "6"
    & skf21("3","6","5","7","1","2","1","1") = "6"
    & skf21("3","6","5","7","1","2","2","1") = "6"
    & skf21("3","6","5","7","1","2","3","1") = "6"
    & skf21("3","6","5","7","1","2","4","1") = "6"
    & skf21("3","6","5","7","1","2","5","1") = "6"
    & skf21("3","6","5","7","1","2","6","1") = "6"
    & skf21("3","6","5","7","1","2","7","1") = "6"
    & skf21("3","6","5","7","1","3","1","1") = "6"
    & skf21("3","6","5","7","1","3","2","1") = "6"
    & skf21("3","6","5","7","1","3","3","1") = "6"
    & skf21("3","6","5","7","1","3","4","1") = "6"
    & skf21("3","6","5","7","1","3","5","1") = "6"
    & skf21("3","6","5","7","1","3","6","1") = "6"
    & skf21("3","6","5","7","1","3","7","1") = "6"
    & skf21("3","6","5","7","1","4","1","1") = "6"
    & skf21("3","6","5","7","1","4","2","1") = "6"
    & skf21("3","6","5","7","1","4","3","1") = "6"
    & skf21("3","6","5","7","1","4","4","1") = "6"
    & skf21("3","6","5","7","1","4","5","1") = "6"
    & skf21("3","6","5","7","1","4","6","1") = "6"
    & skf21("3","6","5","7","1","4","7","1") = "6"
    & skf21("3","6","5","7","1","5","1","1") = "6"
    & skf21("3","6","5","7","1","5","2","1") = "6"
    & skf21("3","6","5","7","1","5","3","1") = "6"
    & skf21("3","6","5","7","1","5","4","1") = "6"
    & skf21("3","6","5","7","1","5","5","1") = "6"
    & skf21("3","6","5","7","1","5","6","1") = "6"
    & skf21("3","6","5","7","1","5","7","1") = "6"
    & skf21("3","6","5","7","1","6","1","1") = "6"
    & skf21("3","6","5","7","1","6","2","1") = "6"
    & skf21("3","6","5","7","1","6","3","1") = "6"
    & skf21("3","6","5","7","1","6","4","1") = "6"
    & skf21("3","6","5","7","1","6","5","1") = "6"
    & skf21("3","6","5","7","1","6","6","1") = "6"
    & skf21("3","6","5","7","1","6","7","1") = "6"
    & skf21("3","6","5","7","1","7","1","1") = "6"
    & skf21("3","6","5","7","1","7","2","1") = "6"
    & skf21("3","6","5","7","1","7","3","1") = "6"
    & skf21("3","6","5","7","1","7","4","1") = "6"
    & skf21("3","6","5","7","1","7","5","1") = "6"
    & skf21("3","6","5","7","1","7","6","1") = "6"
    & skf21("3","6","5","7","1","7","7","1") = "6"
    & skf21("3","6","5","7","2","1","1","1") = "6"
    & skf21("3","6","5","7","2","1","2","1") = "6"
    & skf21("3","6","5","7","2","1","3","1") = "6"
    & skf21("3","6","5","7","2","1","4","1") = "6"
    & skf21("3","6","5","7","2","1","5","1") = "6"
    & skf21("3","6","5","7","2","1","6","1") = "6"
    & skf21("3","6","5","7","2","1","7","1") = "6"
    & skf21("3","6","5","7","2","2","1","1") = "6"
    & skf21("3","6","5","7","2","2","2","1") = "6"
    & skf21("3","6","5","7","2","2","3","1") = "6"
    & skf21("3","6","5","7","2","2","4","1") = "6"
    & skf21("3","6","5","7","2","2","5","1") = "6"
    & skf21("3","6","5","7","2","2","6","1") = "6"
    & skf21("3","6","5","7","2","2","7","1") = "6"
    & skf21("3","6","5","7","2","3","1","1") = "6"
    & skf21("3","6","5","7","2","3","2","1") = "6"
    & skf21("3","6","5","7","2","3","3","1") = "6"
    & skf21("3","6","5","7","2","3","4","1") = "6"
    & skf21("3","6","5","7","2","3","5","1") = "6"
    & skf21("3","6","5","7","2","3","6","1") = "6"
    & skf21("3","6","5","7","2","3","7","1") = "6"
    & skf21("3","6","5","7","2","4","1","1") = "6"
    & skf21("3","6","5","7","2","4","2","1") = "6"
    & skf21("3","6","5","7","2","4","3","1") = "6"
    & skf21("3","6","5","7","2","4","4","1") = "6"
    & skf21("3","6","5","7","2","4","5","1") = "6"
    & skf21("3","6","5","7","2","4","6","1") = "6"
    & skf21("3","6","5","7","2","4","7","1") = "6"
    & skf21("3","6","5","7","2","5","1","1") = "6"
    & skf21("3","6","5","7","2","5","2","1") = "6"
    & skf21("3","6","5","7","2","5","3","1") = "6"
    & skf21("3","6","5","7","2","5","4","1") = "6"
    & skf21("3","6","5","7","2","5","5","1") = "6"
    & skf21("3","6","5","7","2","5","6","1") = "6"
    & skf21("3","6","5","7","2","5","7","1") = "6"
    & skf21("3","6","5","7","2","6","1","1") = "6"
    & skf21("3","6","5","7","2","6","2","1") = "6"
    & skf21("3","6","5","7","2","6","3","1") = "6"
    & skf21("3","6","5","7","2","6","4","1") = "6"
    & skf21("3","6","5","7","2","6","5","1") = "6"
    & skf21("3","6","5","7","2","6","6","1") = "6"
    & skf21("3","6","5","7","2","6","7","1") = "6"
    & skf21("3","6","5","7","2","7","1","1") = "6"
    & skf21("3","6","5","7","2","7","2","1") = "6"
    & skf21("3","6","5","7","2","7","3","1") = "6"
    & skf21("3","6","5","7","2","7","4","1") = "6"
    & skf21("3","6","5","7","2","7","5","1") = "6"
    & skf21("3","6","5","7","2","7","6","1") = "6"
    & skf21("3","6","5","7","2","7","7","1") = "6"
    & skf21("3","6","5","7","3","1","1","1") = "6"
    & skf21("3","6","5","7","3","1","2","1") = "6"
    & skf21("3","6","5","7","3","1","3","1") = "6"
    & skf21("3","6","5","7","3","1","4","1") = "6"
    & skf21("3","6","5","7","3","1","5","1") = "6"
    & skf21("3","6","5","7","3","1","6","1") = "6"
    & skf21("3","6","5","7","3","1","7","1") = "6"
    & skf21("3","6","5","7","3","2","1","1") = "6"
    & skf21("3","6","5","7","3","2","2","1") = "6"
    & skf21("3","6","5","7","3","2","3","1") = "6"
    & skf21("3","6","5","7","3","2","4","1") = "6"
    & skf21("3","6","5","7","3","2","5","1") = "6"
    & skf21("3","6","5","7","3","2","6","1") = "6"
    & skf21("3","6","5","7","3","2","7","1") = "6"
    & skf21("3","6","5","7","3","3","1","1") = "6"
    & skf21("3","6","5","7","3","3","2","1") = "6"
    & skf21("3","6","5","7","3","3","3","1") = "6"
    & skf21("3","6","5","7","3","3","4","1") = "6"
    & skf21("3","6","5","7","3","3","5","1") = "6"
    & skf21("3","6","5","7","3","3","6","1") = "6"
    & skf21("3","6","5","7","3","3","7","1") = "6"
    & skf21("3","6","5","7","3","4","1","1") = "6"
    & skf21("3","6","5","7","3","4","2","1") = "6"
    & skf21("3","6","5","7","3","4","3","1") = "6"
    & skf21("3","6","5","7","3","4","4","1") = "6"
    & skf21("3","6","5","7","3","4","5","1") = "6"
    & skf21("3","6","5","7","3","4","6","1") = "6"
    & skf21("3","6","5","7","3","4","7","1") = "6"
    & skf21("3","6","5","7","3","5","1","1") = "6"
    & skf21("3","6","5","7","3","5","2","1") = "6"
    & skf21("3","6","5","7","3","5","3","1") = "6"
    & skf21("3","6","5","7","3","5","4","1") = "6"
    & skf21("3","6","5","7","3","5","5","1") = "6"
    & skf21("3","6","5","7","3","5","6","1") = "6"
    & skf21("3","6","5","7","3","5","7","1") = "6"
    & skf21("3","6","5","7","3","6","1","1") = "6"
    & skf21("3","6","5","7","3","6","2","1") = "6"
    & skf21("3","6","5","7","3","6","3","1") = "6"
    & skf21("3","6","5","7","3","6","4","1") = "6"
    & skf21("3","6","5","7","3","6","5","1") = "6"
    & skf21("3","6","5","7","3","6","6","1") = "6"
    & skf21("3","6","5","7","3","6","7","1") = "6"
    & skf21("3","6","5","7","3","7","1","1") = "6"
    & skf21("3","6","5","7","3","7","2","1") = "6"
    & skf21("3","6","5","7","3","7","3","1") = "6"
    & skf21("3","6","5","7","3","7","4","1") = "6"
    & skf21("3","6","5","7","3","7","5","1") = "6"
    & skf21("3","6","5","7","3","7","6","1") = "6"
    & skf21("3","6","5","7","3","7","7","1") = "6"
    & skf21("3","6","5","7","4","1","1","1") = "6"
    & skf21("3","6","5","7","4","1","2","1") = "6"
    & skf21("3","6","5","7","4","1","3","1") = "6"
    & skf21("3","6","5","7","4","1","4","1") = "6"
    & skf21("3","6","5","7","4","1","5","1") = "6"
    & skf21("3","6","5","7","4","1","6","1") = "6"
    & skf21("3","6","5","7","4","1","7","1") = "6"
    & skf21("3","6","5","7","4","2","1","1") = "6"
    & skf21("3","6","5","7","4","2","2","1") = "6"
    & skf21("3","6","5","7","4","2","3","1") = "6"
    & skf21("3","6","5","7","4","2","4","1") = "6"
    & skf21("3","6","5","7","4","2","5","1") = "6"
    & skf21("3","6","5","7","4","2","6","1") = "6"
    & skf21("3","6","5","7","4","2","7","1") = "6"
    & skf21("3","6","5","7","4","3","1","1") = "6"
    & skf21("3","6","5","7","4","3","2","1") = "6"
    & skf21("3","6","5","7","4","3","3","1") = "6"
    & skf21("3","6","5","7","4","3","4","1") = "6"
    & skf21("3","6","5","7","4","3","5","1") = "6"
    & skf21("3","6","5","7","4","3","6","1") = "6"
    & skf21("3","6","5","7","4","3","7","1") = "6"
    & skf21("3","6","5","7","4","4","1","1") = "6"
    & skf21("3","6","5","7","4","4","2","1") = "6"
    & skf21("3","6","5","7","4","4","3","1") = "6"
    & skf21("3","6","5","7","4","4","4","1") = "6"
    & skf21("3","6","5","7","4","4","5","1") = "6"
    & skf21("3","6","5","7","4","4","6","1") = "6"
    & skf21("3","6","5","7","4","4","7","1") = "6"
    & skf21("3","6","5","7","4","5","1","1") = "6"
    & skf21("3","6","5","7","4","5","2","1") = "6"
    & skf21("3","6","5","7","4","5","3","1") = "6"
    & skf21("3","6","5","7","4","5","4","1") = "6"
    & skf21("3","6","5","7","4","5","5","1") = "6"
    & skf21("3","6","5","7","4","5","6","1") = "6"
    & skf21("3","6","5","7","4","5","7","1") = "6"
    & skf21("3","6","5","7","4","6","1","1") = "6"
    & skf21("3","6","5","7","4","6","2","1") = "6"
    & skf21("3","6","5","7","4","6","3","1") = "6"
    & skf21("3","6","5","7","4","6","4","1") = "6"
    & skf21("3","6","5","7","4","6","5","1") = "6"
    & skf21("3","6","5","7","4","6","6","1") = "6"
    & skf21("3","6","5","7","4","6","7","1") = "6"
    & skf21("3","6","5","7","4","7","1","1") = "6"
    & skf21("3","6","5","7","4","7","2","1") = "6"
    & skf21("3","6","5","7","4","7","3","1") = "6"
    & skf21("3","6","5","7","4","7","4","1") = "6"
    & skf21("3","6","5","7","4","7","5","1") = "6"
    & skf21("3","6","5","7","4","7","6","1") = "6"
    & skf21("3","6","5","7","4","7","7","1") = "6"
    & skf21("3","6","5","7","5","1","1","1") = "6"
    & skf21("3","6","5","7","5","1","2","1") = "6"
    & skf21("3","6","5","7","5","1","3","1") = "6"
    & skf21("3","6","5","7","5","1","4","1") = "6"
    & skf21("3","6","5","7","5","1","5","1") = "6"
    & skf21("3","6","5","7","5","1","6","1") = "6"
    & skf21("3","6","5","7","5","1","7","1") = "6"
    & skf21("3","6","5","7","5","2","1","1") = "6"
    & skf21("3","6","5","7","5","2","2","1") = "6"
    & skf21("3","6","5","7","5","2","3","1") = "6"
    & skf21("3","6","5","7","5","2","4","1") = "6"
    & skf21("3","6","5","7","5","2","5","1") = "6"
    & skf21("3","6","5","7","5","2","6","1") = "6"
    & skf21("3","6","5","7","5","2","7","1") = "6"
    & skf21("3","6","5","7","5","3","1","1") = "6"
    & skf21("3","6","5","7","5","3","2","1") = "6"
    & skf21("3","6","5","7","5","3","3","1") = "6"
    & skf21("3","6","5","7","5","3","4","1") = "6"
    & skf21("3","6","5","7","5","3","5","1") = "6"
    & skf21("3","6","5","7","5","3","6","1") = "6"
    & skf21("3","6","5","7","5","3","7","1") = "6"
    & skf21("3","6","5","7","5","4","1","1") = "6"
    & skf21("3","6","5","7","5","4","2","1") = "6"
    & skf21("3","6","5","7","5","4","3","1") = "6"
    & skf21("3","6","5","7","5","4","4","1") = "6"
    & skf21("3","6","5","7","5","4","5","1") = "6"
    & skf21("3","6","5","7","5","4","6","1") = "6"
    & skf21("3","6","5","7","5","4","7","1") = "6"
    & skf21("3","6","5","7","5","5","1","1") = "6"
    & skf21("3","6","5","7","5","5","2","1") = "6"
    & skf21("3","6","5","7","5","5","3","1") = "6"
    & skf21("3","6","5","7","5","5","4","1") = "6"
    & skf21("3","6","5","7","5","5","5","1") = "6"
    & skf21("3","6","5","7","5","5","6","1") = "6"
    & skf21("3","6","5","7","5","5","7","1") = "6"
    & skf21("3","6","5","7","5","6","1","1") = "6"
    & skf21("3","6","5","7","5","6","2","1") = "6"
    & skf21("3","6","5","7","5","6","3","1") = "6"
    & skf21("3","6","5","7","5","6","4","1") = "6"
    & skf21("3","6","5","7","5","6","5","1") = "6"
    & skf21("3","6","5","7","5","6","6","1") = "6"
    & skf21("3","6","5","7","5","6","7","1") = "6"
    & skf21("3","6","5","7","5","7","1","1") = "6"
    & skf21("3","6","5","7","5","7","2","1") = "6"
    & skf21("3","6","5","7","5","7","3","1") = "6"
    & skf21("3","6","5","7","5","7","4","1") = "6"
    & skf21("3","6","5","7","5","7","5","1") = "6"
    & skf21("3","6","5","7","5","7","6","1") = "6"
    & skf21("3","6","5","7","5","7","7","1") = "6"
    & skf21("3","6","5","7","6","1","1","1") = "6"
    & skf21("3","6","5","7","6","1","2","1") = "6"
    & skf21("3","6","5","7","6","1","3","1") = "6"
    & skf21("3","6","5","7","6","1","4","1") = "6"
    & skf21("3","6","5","7","6","1","5","1") = "6"
    & skf21("3","6","5","7","6","1","6","1") = "6"
    & skf21("3","6","5","7","6","1","7","1") = "6"
    & skf21("3","6","5","7","6","2","1","1") = "6"
    & skf21("3","6","5","7","6","2","2","1") = "6"
    & skf21("3","6","5","7","6","2","3","1") = "6"
    & skf21("3","6","5","7","6","2","4","1") = "6"
    & skf21("3","6","5","7","6","2","5","1") = "6"
    & skf21("3","6","5","7","6","2","6","1") = "6"
    & skf21("3","6","5","7","6","2","7","1") = "6"
    & skf21("3","6","5","7","6","3","1","1") = "6"
    & skf21("3","6","5","7","6","3","2","1") = "6"
    & skf21("3","6","5","7","6","3","3","1") = "6"
    & skf21("3","6","5","7","6","3","4","1") = "6"
    & skf21("3","6","5","7","6","3","5","1") = "6"
    & skf21("3","6","5","7","6","3","6","1") = "6"
    & skf21("3","6","5","7","6","3","7","1") = "6"
    & skf21("3","6","5","7","6","4","1","1") = "6"
    & skf21("3","6","5","7","6","4","2","1") = "6"
    & skf21("3","6","5","7","6","4","3","1") = "6"
    & skf21("3","6","5","7","6","4","4","1") = "6"
    & skf21("3","6","5","7","6","4","5","1") = "6"
    & skf21("3","6","5","7","6","4","6","1") = "6"
    & skf21("3","6","5","7","6","4","7","1") = "6"
    & skf21("3","6","5","7","6","5","1","1") = "6"
    & skf21("3","6","5","7","6","5","2","1") = "6"
    & skf21("3","6","5","7","6","5","3","1") = "6"
    & skf21("3","6","5","7","6","5","4","1") = "6"
    & skf21("3","6","5","7","6","5","5","1") = "6"
    & skf21("3","6","5","7","6","5","6","1") = "6"
    & skf21("3","6","5","7","6","5","7","1") = "6"
    & skf21("3","6","5","7","6","6","1","1") = "6"
    & skf21("3","6","5","7","6","6","2","1") = "6"
    & skf21("3","6","5","7","6","6","3","1") = "6"
    & skf21("3","6","5","7","6","6","4","1") = "6"
    & skf21("3","6","5","7","6","6","5","1") = "6"
    & skf21("3","6","5","7","6","6","6","1") = "6"
    & skf21("3","6","5","7","6","6","7","1") = "6"
    & skf21("3","6","5","7","6","7","1","1") = "6"
    & skf21("3","6","5","7","6","7","2","1") = "6"
    & skf21("3","6","5","7","6","7","3","1") = "6"
    & skf21("3","6","5","7","6","7","4","1") = "6"
    & skf21("3","6","5","7","6","7","5","1") = "6"
    & skf21("3","6","5","7","6","7","6","1") = "6"
    & skf21("3","6","5","7","6","7","7","1") = "6"
    & skf21("3","6","5","7","7","1","1","1") = "6"
    & skf21("3","6","5","7","7","1","2","1") = "6"
    & skf21("3","6","5","7","7","1","3","1") = "6"
    & skf21("3","6","5","7","7","1","4","1") = "6"
    & skf21("3","6","5","7","7","1","5","1") = "6"
    & skf21("3","6","5","7","7","1","6","1") = "6"
    & skf21("3","6","5","7","7","1","7","1") = "6"
    & skf21("3","6","5","7","7","2","1","1") = "6"
    & skf21("3","6","5","7","7","2","2","1") = "6"
    & skf21("3","6","5","7","7","2","3","1") = "6"
    & skf21("3","6","5","7","7","2","4","1") = "6"
    & skf21("3","6","5","7","7","2","5","1") = "6"
    & skf21("3","6","5","7","7","2","6","1") = "6"
    & skf21("3","6","5","7","7","2","7","1") = "6"
    & skf21("3","6","5","7","7","3","1","1") = "6"
    & skf21("3","6","5","7","7","3","2","1") = "6"
    & skf21("3","6","5","7","7","3","3","1") = "6"
    & skf21("3","6","5","7","7","3","4","1") = "6"
    & skf21("3","6","5","7","7","3","5","1") = "6"
    & skf21("3","6","5","7","7","3","6","1") = "6"
    & skf21("3","6","5","7","7","3","7","1") = "6"
    & skf21("3","6","5","7","7","4","1","1") = "6"
    & skf21("3","6","5","7","7","4","2","1") = "6"
    & skf21("3","6","5","7","7","4","3","1") = "6"
    & skf21("3","6","5","7","7","4","4","1") = "6"
    & skf21("3","6","5","7","7","4","5","1") = "6"
    & skf21("3","6","5","7","7","4","6","1") = "6"
    & skf21("3","6","5","7","7","4","7","1") = "6"
    & skf21("3","6","5","7","7","5","1","1") = "6"
    & skf21("3","6","5","7","7","5","2","1") = "6"
    & skf21("3","6","5","7","7","5","3","1") = "6"
    & skf21("3","6","5","7","7","5","4","1") = "6"
    & skf21("3","6","5","7","7","5","5","1") = "6"
    & skf21("3","6","5","7","7","5","6","1") = "6"
    & skf21("3","6","5","7","7","5","7","1") = "6"
    & skf21("3","6","5","7","7","6","1","1") = "6"
    & skf21("3","6","5","7","7","6","2","1") = "6"
    & skf21("3","6","5","7","7","6","3","1") = "6"
    & skf21("3","6","5","7","7","6","4","1") = "6"
    & skf21("3","6","5","7","7","6","5","1") = "6"
    & skf21("3","6","5","7","7","6","6","1") = "6"
    & skf21("3","6","5","7","7","6","7","1") = "6"
    & skf21("3","6","5","7","7","7","1","1") = "6"
    & skf21("3","6","5","7","7","7","2","1") = "6"
    & skf21("3","6","5","7","7","7","3","1") = "6"
    & skf21("3","6","5","7","7","7","4","1") = "6"
    & skf21("3","6","5","7","7","7","5","1") = "6"
    & skf21("3","6","5","7","7","7","6","1") = "6"
    & skf21("3","6","5","7","7","7","7","1") = "6"
    & skf21("3","6","6","1","1","1","1","1") = "5"
    & skf21("3","6","6","1","1","1","2","1") = "5"
    & skf21("3","6","6","1","1","1","3","1") = "5"
    & skf21("3","6","6","1","1","1","4","1") = "5"
    & skf21("3","6","6","1","1","1","5","1") = "5"
    & skf21("3","6","6","1","1","1","6","1") = "5"
    & skf21("3","6","6","1","1","1","7","1") = "6"
    & skf21("3","6","6","1","1","2","1","1") = "5"
    & skf21("3","6","6","1","1","2","2","1") = "5"
    & skf21("3","6","6","1","1","2","3","1") = "5"
    & skf21("3","6","6","1","1","2","4","1") = "5"
    & skf21("3","6","6","1","1","2","5","1") = "5"
    & skf21("3","6","6","1","1","2","6","1") = "5"
    & skf21("3","6","6","1","1","2","7","1") = "6"
    & skf21("3","6","6","1","1","3","1","1") = "5"
    & skf21("3","6","6","1","1","3","2","1") = "5"
    & skf21("3","6","6","1","1","3","3","1") = "5"
    & skf21("3","6","6","1","1","3","4","1") = "5"
    & skf21("3","6","6","1","1","3","5","1") = "5"
    & skf21("3","6","6","1","1","3","6","1") = "5"
    & skf21("3","6","6","1","1","3","7","1") = "6"
    & skf21("3","6","6","1","1","4","1","1") = "5"
    & skf21("3","6","6","1","1","4","2","1") = "5"
    & skf21("3","6","6","1","1","4","3","1") = "5"
    & skf21("3","6","6","1","1","4","4","1") = "5"
    & skf21("3","6","6","1","1","4","5","1") = "5"
    & skf21("3","6","6","1","1","4","6","1") = "5"
    & skf21("3","6","6","1","1","4","7","1") = "6"
    & skf21("3","6","6","1","1","5","1","1") = "5"
    & skf21("3","6","6","1","1","5","2","1") = "5"
    & skf21("3","6","6","1","1","5","3","1") = "5"
    & skf21("3","6","6","1","1","5","4","1") = "5"
    & skf21("3","6","6","1","1","5","5","1") = "5"
    & skf21("3","6","6","1","1","5","6","1") = "5"
    & skf21("3","6","6","1","1","5","7","1") = "6"
    & skf21("3","6","6","1","1","6","1","1") = "5"
    & skf21("3","6","6","1","1","6","2","1") = "5"
    & skf21("3","6","6","1","1","6","3","1") = "5"
    & skf21("3","6","6","1","1","6","4","1") = "5"
    & skf21("3","6","6","1","1","6","5","1") = "5"
    & skf21("3","6","6","1","1","6","6","1") = "5"
    & skf21("3","6","6","1","1","6","7","1") = "6"
    & skf21("3","6","6","1","1","7","1","1") = "6"
    & skf21("3","6","6","1","1","7","2","1") = "6"
    & skf21("3","6","6","1","1","7","3","1") = "6"
    & skf21("3","6","6","1","1","7","4","1") = "6"
    & skf21("3","6","6","1","1","7","5","1") = "6"
    & skf21("3","6","6","1","1","7","6","1") = "6"
    & skf21("3","6","6","1","1","7","7","1") = "6"
    & skf21("3","6","6","1","2","1","1","1") = "5"
    & skf21("3","6","6","1","2","1","2","1") = "5"
    & skf21("3","6","6","1","2","1","3","1") = "5"
    & skf21("3","6","6","1","2","1","4","1") = "5"
    & skf21("3","6","6","1","2","1","5","1") = "5"
    & skf21("3","6","6","1","2","1","6","1") = "5"
    & skf21("3","6","6","1","2","1","7","1") = "6"
    & skf21("3","6","6","1","2","2","1","1") = "5"
    & skf21("3","6","6","1","2","2","2","1") = "5"
    & skf21("3","6","6","1","2","2","3","1") = "5"
    & skf21("3","6","6","1","2","2","4","1") = "5"
    & skf21("3","6","6","1","2","2","5","1") = "5"
    & skf21("3","6","6","1","2","2","6","1") = "5"
    & skf21("3","6","6","1","2","2","7","1") = "6"
    & skf21("3","6","6","1","2","3","1","1") = "5"
    & skf21("3","6","6","1","2","3","2","1") = "5"
    & skf21("3","6","6","1","2","3","3","1") = "5"
    & skf21("3","6","6","1","2","3","4","1") = "5"
    & skf21("3","6","6","1","2","3","5","1") = "5"
    & skf21("3","6","6","1","2","3","6","1") = "5"
    & skf21("3","6","6","1","2","3","7","1") = "6"
    & skf21("3","6","6","1","2","4","1","1") = "5"
    & skf21("3","6","6","1","2","4","2","1") = "5"
    & skf21("3","6","6","1","2","4","3","1") = "5"
    & skf21("3","6","6","1","2","4","4","1") = "5"
    & skf21("3","6","6","1","2","4","5","1") = "5"
    & skf21("3","6","6","1","2","4","6","1") = "5"
    & skf21("3","6","6","1","2","4","7","1") = "6"
    & skf21("3","6","6","1","2","5","1","1") = "5"
    & skf21("3","6","6","1","2","5","2","1") = "5"
    & skf21("3","6","6","1","2","5","3","1") = "5"
    & skf21("3","6","6","1","2","5","4","1") = "5"
    & skf21("3","6","6","1","2","5","5","1") = "5"
    & skf21("3","6","6","1","2","5","6","1") = "5"
    & skf21("3","6","6","1","2","5","7","1") = "6"
    & skf21("3","6","6","1","2","6","1","1") = "5"
    & skf21("3","6","6","1","2","6","2","1") = "5"
    & skf21("3","6","6","1","2","6","3","1") = "5"
    & skf21("3","6","6","1","2","6","4","1") = "5"
    & skf21("3","6","6","1","2","6","5","1") = "5"
    & skf21("3","6","6","1","2","6","6","1") = "5"
    & skf21("3","6","6","1","2","6","7","1") = "6"
    & skf21("3","6","6","1","2","7","1","1") = "6"
    & skf21("3","6","6","1","2","7","2","1") = "6"
    & skf21("3","6","6","1","2","7","3","1") = "6"
    & skf21("3","6","6","1","2","7","4","1") = "6"
    & skf21("3","6","6","1","2","7","5","1") = "6"
    & skf21("3","6","6","1","2","7","6","1") = "6"
    & skf21("3","6","6","1","2","7","7","1") = "6"
    & skf21("3","6","6","1","3","1","1","1") = "5"
    & skf21("3","6","6","1","3","1","2","1") = "5"
    & skf21("3","6","6","1","3","1","3","1") = "5"
    & skf21("3","6","6","1","3","1","4","1") = "5"
    & skf21("3","6","6","1","3","1","5","1") = "5"
    & skf21("3","6","6","1","3","1","6","1") = "5"
    & skf21("3","6","6","1","3","1","7","1") = "6"
    & skf21("3","6","6","1","3","2","1","1") = "5"
    & skf21("3","6","6","1","3","2","2","1") = "5"
    & skf21("3","6","6","1","3","2","3","1") = "5"
    & skf21("3","6","6","1","3","2","4","1") = "5"
    & skf21("3","6","6","1","3","2","5","1") = "5"
    & skf21("3","6","6","1","3","2","6","1") = "5"
    & skf21("3","6","6","1","3","2","7","1") = "6"
    & skf21("3","6","6","1","3","3","1","1") = "5"
    & skf21("3","6","6","1","3","3","2","1") = "5"
    & skf21("3","6","6","1","3","3","3","1") = "5"
    & skf21("3","6","6","1","3","3","4","1") = "5"
    & skf21("3","6","6","1","3","3","5","1") = "5"
    & skf21("3","6","6","1","3","3","6","1") = "5"
    & skf21("3","6","6","1","3","3","7","1") = "6"
    & skf21("3","6","6","1","3","4","1","1") = "5"
    & skf21("3","6","6","1","3","4","2","1") = "5"
    & skf21("3","6","6","1","3","4","3","1") = "5"
    & skf21("3","6","6","1","3","4","4","1") = "5"
    & skf21("3","6","6","1","3","4","5","1") = "5"
    & skf21("3","6","6","1","3","4","6","1") = "5"
    & skf21("3","6","6","1","3","4","7","1") = "6"
    & skf21("3","6","6","1","3","5","1","1") = "5"
    & skf21("3","6","6","1","3","5","2","1") = "5"
    & skf21("3","6","6","1","3","5","3","1") = "5"
    & skf21("3","6","6","1","3","5","4","1") = "5"
    & skf21("3","6","6","1","3","5","5","1") = "5"
    & skf21("3","6","6","1","3","5","6","1") = "5"
    & skf21("3","6","6","1","3","5","7","1") = "6"
    & skf21("3","6","6","1","3","6","1","1") = "5"
    & skf21("3","6","6","1","3","6","2","1") = "5"
    & skf21("3","6","6","1","3","6","3","1") = "5"
    & skf21("3","6","6","1","3","6","4","1") = "5"
    & skf21("3","6","6","1","3","6","5","1") = "5"
    & skf21("3","6","6","1","3","6","6","1") = "5"
    & skf21("3","6","6","1","3","6","7","1") = "6"
    & skf21("3","6","6","1","3","7","1","1") = "6"
    & skf21("3","6","6","1","3","7","2","1") = "6"
    & skf21("3","6","6","1","3","7","3","1") = "6"
    & skf21("3","6","6","1","3","7","4","1") = "6"
    & skf21("3","6","6","1","3","7","5","1") = "6"
    & skf21("3","6","6","1","3","7","6","1") = "6"
    & skf21("3","6","6","1","3","7","7","1") = "6"
    & skf21("3","6","6","1","4","1","1","1") = "5"
    & skf21("3","6","6","1","4","1","2","1") = "5"
    & skf21("3","6","6","1","4","1","3","1") = "5"
    & skf21("3","6","6","1","4","1","4","1") = "5"
    & skf21("3","6","6","1","4","1","5","1") = "5"
    & skf21("3","6","6","1","4","1","6","1") = "5"
    & skf21("3","6","6","1","4","1","7","1") = "6"
    & skf21("3","6","6","1","4","2","1","1") = "5"
    & skf21("3","6","6","1","4","2","2","1") = "5"
    & skf21("3","6","6","1","4","2","3","1") = "5"
    & skf21("3","6","6","1","4","2","4","1") = "5"
    & skf21("3","6","6","1","4","2","5","1") = "5"
    & skf21("3","6","6","1","4","2","6","1") = "5"
    & skf21("3","6","6","1","4","2","7","1") = "6"
    & skf21("3","6","6","1","4","3","1","1") = "5"
    & skf21("3","6","6","1","4","3","2","1") = "5"
    & skf21("3","6","6","1","4","3","3","1") = "5"
    & skf21("3","6","6","1","4","3","4","1") = "5"
    & skf21("3","6","6","1","4","3","5","1") = "5"
    & skf21("3","6","6","1","4","3","6","1") = "5"
    & skf21("3","6","6","1","4","3","7","1") = "6"
    & skf21("3","6","6","1","4","4","1","1") = "5"
    & skf21("3","6","6","1","4","4","2","1") = "5"
    & skf21("3","6","6","1","4","4","3","1") = "5"
    & skf21("3","6","6","1","4","4","4","1") = "5"
    & skf21("3","6","6","1","4","4","5","1") = "5"
    & skf21("3","6","6","1","4","4","6","1") = "5"
    & skf21("3","6","6","1","4","4","7","1") = "6"
    & skf21("3","6","6","1","4","5","1","1") = "5"
    & skf21("3","6","6","1","4","5","2","1") = "5"
    & skf21("3","6","6","1","4","5","3","1") = "5"
    & skf21("3","6","6","1","4","5","4","1") = "5"
    & skf21("3","6","6","1","4","5","5","1") = "5"
    & skf21("3","6","6","1","4","5","6","1") = "5"
    & skf21("3","6","6","1","4","5","7","1") = "6"
    & skf21("3","6","6","1","4","6","1","1") = "5"
    & skf21("3","6","6","1","4","6","2","1") = "5"
    & skf21("3","6","6","1","4","6","3","1") = "5"
    & skf21("3","6","6","1","4","6","4","1") = "5"
    & skf21("3","6","6","1","4","6","5","1") = "5"
    & skf21("3","6","6","1","4","6","6","1") = "5"
    & skf21("3","6","6","1","4","6","7","1") = "6"
    & skf21("3","6","6","1","4","7","1","1") = "6"
    & skf21("3","6","6","1","4","7","2","1") = "6"
    & skf21("3","6","6","1","4","7","3","1") = "6"
    & skf21("3","6","6","1","4","7","4","1") = "6"
    & skf21("3","6","6","1","4","7","5","1") = "6"
    & skf21("3","6","6","1","4","7","6","1") = "6"
    & skf21("3","6","6","1","4","7","7","1") = "6"
    & skf21("3","6","6","1","5","1","1","1") = "5"
    & skf21("3","6","6","1","5","1","2","1") = "5"
    & skf21("3","6","6","1","5","1","3","1") = "5"
    & skf21("3","6","6","1","5","1","4","1") = "5"
    & skf21("3","6","6","1","5","1","5","1") = "5"
    & skf21("3","6","6","1","5","1","6","1") = "5"
    & skf21("3","6","6","1","5","1","7","1") = "6"
    & skf21("3","6","6","1","5","2","1","1") = "5"
    & skf21("3","6","6","1","5","2","2","1") = "5"
    & skf21("3","6","6","1","5","2","3","1") = "5"
    & skf21("3","6","6","1","5","2","4","1") = "5"
    & skf21("3","6","6","1","5","2","5","1") = "5"
    & skf21("3","6","6","1","5","2","6","1") = "5"
    & skf21("3","6","6","1","5","2","7","1") = "6"
    & skf21("3","6","6","1","5","3","1","1") = "5"
    & skf21("3","6","6","1","5","3","2","1") = "5"
    & skf21("3","6","6","1","5","3","3","1") = "5"
    & skf21("3","6","6","1","5","3","4","1") = "5"
    & skf21("3","6","6","1","5","3","5","1") = "5"
    & skf21("3","6","6","1","5","3","6","1") = "5"
    & skf21("3","6","6","1","5","3","7","1") = "6"
    & skf21("3","6","6","1","5","4","1","1") = "5"
    & skf21("3","6","6","1","5","4","2","1") = "5"
    & skf21("3","6","6","1","5","4","3","1") = "5"
    & skf21("3","6","6","1","5","4","4","1") = "5"
    & skf21("3","6","6","1","5","4","5","1") = "5"
    & skf21("3","6","6","1","5","4","6","1") = "5"
    & skf21("3","6","6","1","5","4","7","1") = "6"
    & skf21("3","6","6","1","5","5","1","1") = "5"
    & skf21("3","6","6","1","5","5","2","1") = "5"
    & skf21("3","6","6","1","5","5","3","1") = "5"
    & skf21("3","6","6","1","5","5","4","1") = "5"
    & skf21("3","6","6","1","5","5","5","1") = "5"
    & skf21("3","6","6","1","5","5","6","1") = "5"
    & skf21("3","6","6","1","5","5","7","1") = "6"
    & skf21("3","6","6","1","5","6","1","1") = "5"
    & skf21("3","6","6","1","5","6","2","1") = "5"
    & skf21("3","6","6","1","5","6","3","1") = "5"
    & skf21("3","6","6","1","5","6","4","1") = "5"
    & skf21("3","6","6","1","5","6","5","1") = "5"
    & skf21("3","6","6","1","5","6","6","1") = "5"
    & skf21("3","6","6","1","5","6","7","1") = "6"
    & skf21("3","6","6","1","5","7","1","1") = "6"
    & skf21("3","6","6","1","5","7","2","1") = "6"
    & skf21("3","6","6","1","5","7","3","1") = "6"
    & skf21("3","6","6","1","5","7","4","1") = "6"
    & skf21("3","6","6","1","5","7","5","1") = "6"
    & skf21("3","6","6","1","5","7","6","1") = "6"
    & skf21("3","6","6","1","5","7","7","1") = "6"
    & skf21("3","6","6","1","6","1","1","1") = "5"
    & skf21("3","6","6","1","6","1","2","1") = "5"
    & skf21("3","6","6","1","6","1","3","1") = "5"
    & skf21("3","6","6","1","6","1","4","1") = "5"
    & skf21("3","6","6","1","6","1","5","1") = "5"
    & skf21("3","6","6","1","6","1","6","1") = "5"
    & skf21("3","6","6","1","6","1","7","1") = "6"
    & skf21("3","6","6","1","6","2","1","1") = "5"
    & skf21("3","6","6","1","6","2","2","1") = "5"
    & skf21("3","6","6","1","6","2","3","1") = "5"
    & skf21("3","6","6","1","6","2","4","1") = "5"
    & skf21("3","6","6","1","6","2","5","1") = "5"
    & skf21("3","6","6","1","6","2","6","1") = "5"
    & skf21("3","6","6","1","6","2","7","1") = "6"
    & skf21("3","6","6","1","6","3","1","1") = "5"
    & skf21("3","6","6","1","6","3","2","1") = "5"
    & skf21("3","6","6","1","6","3","3","1") = "5"
    & skf21("3","6","6","1","6","3","4","1") = "5"
    & skf21("3","6","6","1","6","3","5","1") = "5"
    & skf21("3","6","6","1","6","3","6","1") = "5"
    & skf21("3","6","6","1","6","3","7","1") = "6"
    & skf21("3","6","6","1","6","4","1","1") = "5"
    & skf21("3","6","6","1","6","4","2","1") = "5"
    & skf21("3","6","6","1","6","4","3","1") = "5"
    & skf21("3","6","6","1","6","4","4","1") = "5"
    & skf21("3","6","6","1","6","4","5","1") = "5"
    & skf21("3","6","6","1","6","4","6","1") = "5"
    & skf21("3","6","6","1","6","4","7","1") = "6"
    & skf21("3","6","6","1","6","5","1","1") = "5"
    & skf21("3","6","6","1","6","5","2","1") = "5"
    & skf21("3","6","6","1","6","5","3","1") = "5"
    & skf21("3","6","6","1","6","5","4","1") = "5"
    & skf21("3","6","6","1","6","5","5","1") = "5"
    & skf21("3","6","6","1","6","5","6","1") = "5"
    & skf21("3","6","6","1","6","5","7","1") = "6"
    & skf21("3","6","6","1","6","6","1","1") = "5"
    & skf21("3","6","6","1","6","6","2","1") = "5"
    & skf21("3","6","6","1","6","6","3","1") = "5"
    & skf21("3","6","6","1","6","6","4","1") = "5"
    & skf21("3","6","6","1","6","6","5","1") = "5"
    & skf21("3","6","6","1","6","6","6","1") = "5"
    & skf21("3","6","6","1","6","6","7","1") = "6"
    & skf21("3","6","6","1","6","7","1","1") = "6"
    & skf21("3","6","6","1","6","7","2","1") = "6"
    & skf21("3","6","6","1","6","7","3","1") = "6"
    & skf21("3","6","6","1","6","7","4","1") = "6"
    & skf21("3","6","6","1","6","7","5","1") = "6"
    & skf21("3","6","6","1","6","7","6","1") = "6"
    & skf21("3","6","6","1","6","7","7","1") = "6"
    & skf21("3","6","6","1","7","1","1","1") = "6"
    & skf21("3","6","6","1","7","1","2","1") = "6"
    & skf21("3","6","6","1","7","1","3","1") = "6"
    & skf21("3","6","6","1","7","1","4","1") = "6"
    & skf21("3","6","6","1","7","1","5","1") = "6"
    & skf21("3","6","6","1","7","1","6","1") = "6"
    & skf21("3","6","6","1","7","1","7","1") = "6"
    & skf21("3","6","6","1","7","2","1","1") = "6"
    & skf21("3","6","6","1","7","2","2","1") = "6"
    & skf21("3","6","6","1","7","2","3","1") = "6"
    & skf21("3","6","6","1","7","2","4","1") = "6"
    & skf21("3","6","6","1","7","2","5","1") = "6"
    & skf21("3","6","6","1","7","2","6","1") = "6"
    & skf21("3","6","6","1","7","2","7","1") = "6"
    & skf21("3","6","6","1","7","3","1","1") = "6"
    & skf21("3","6","6","1","7","3","2","1") = "6"
    & skf21("3","6","6","1","7","3","3","1") = "6"
    & skf21("3","6","6","1","7","3","4","1") = "6"
    & skf21("3","6","6","1","7","3","5","1") = "6"
    & skf21("3","6","6","1","7","3","6","1") = "6"
    & skf21("3","6","6","1","7","3","7","1") = "6"
    & skf21("3","6","6","1","7","4","1","1") = "6"
    & skf21("3","6","6","1","7","4","2","1") = "6"
    & skf21("3","6","6","1","7","4","3","1") = "6"
    & skf21("3","6","6","1","7","4","4","1") = "6"
    & skf21("3","6","6","1","7","4","5","1") = "6"
    & skf21("3","6","6","1","7","4","6","1") = "6"
    & skf21("3","6","6","1","7","4","7","1") = "6"
    & skf21("3","6","6","1","7","5","1","1") = "6"
    & skf21("3","6","6","1","7","5","2","1") = "6"
    & skf21("3","6","6","1","7","5","3","1") = "6"
    & skf21("3","6","6","1","7","5","4","1") = "6"
    & skf21("3","6","6","1","7","5","5","1") = "6"
    & skf21("3","6","6","1","7","5","6","1") = "6"
    & skf21("3","6","6","1","7","5","7","1") = "6"
    & skf21("3","6","6","1","7","6","1","1") = "6"
    & skf21("3","6","6","1","7","6","2","1") = "6"
    & skf21("3","6","6","1","7","6","3","1") = "6"
    & skf21("3","6","6","1","7","6","4","1") = "6"
    & skf21("3","6","6","1","7","6","5","1") = "6"
    & skf21("3","6","6","1","7","6","6","1") = "6"
    & skf21("3","6","6","1","7","6","7","1") = "6"
    & skf21("3","6","6","1","7","7","1","1") = "6"
    & skf21("3","6","6","1","7","7","2","1") = "6"
    & skf21("3","6","6","1","7","7","3","1") = "6"
    & skf21("3","6","6","1","7","7","4","1") = "6"
    & skf21("3","6","6","1","7","7","5","1") = "6"
    & skf21("3","6","6","1","7","7","6","1") = "6"
    & skf21("3","6","6","1","7","7","7","1") = "6"
    & skf21("3","6","6","2","1","1","1","1") = "5"
    & skf21("3","6","6","2","1","1","2","1") = "5"
    & skf21("3","6","6","2","1","1","3","1") = "5"
    & skf21("3","6","6","2","1","1","4","1") = "5"
    & skf21("3","6","6","2","1","1","5","1") = "5"
    & skf21("3","6","6","2","1","1","6","1") = "5"
    & skf21("3","6","6","2","1","1","7","1") = "6"
    & skf21("3","6","6","2","1","2","1","1") = "5"
    & skf21("3","6","6","2","1","2","2","1") = "5"
    & skf21("3","6","6","2","1","2","3","1") = "5"
    & skf21("3","6","6","2","1","2","4","1") = "5"
    & skf21("3","6","6","2","1","2","5","1") = "5"
    & skf21("3","6","6","2","1","2","6","1") = "5"
    & skf21("3","6","6","2","1","2","7","1") = "6"
    & skf21("3","6","6","2","1","3","1","1") = "5"
    & skf21("3","6","6","2","1","3","2","1") = "5"
    & skf21("3","6","6","2","1","3","3","1") = "5"
    & skf21("3","6","6","2","1","3","4","1") = "5"
    & skf21("3","6","6","2","1","3","5","1") = "5"
    & skf21("3","6","6","2","1","3","6","1") = "5"
    & skf21("3","6","6","2","1","3","7","1") = "6"
    & skf21("3","6","6","2","1","4","1","1") = "5"
    & skf21("3","6","6","2","1","4","2","1") = "5"
    & skf21("3","6","6","2","1","4","3","1") = "5"
    & skf21("3","6","6","2","1","4","4","1") = "5"
    & skf21("3","6","6","2","1","4","5","1") = "5"
    & skf21("3","6","6","2","1","4","6","1") = "5"
    & skf21("3","6","6","2","1","4","7","1") = "6"
    & skf21("3","6","6","2","1","5","1","1") = "5"
    & skf21("3","6","6","2","1","5","2","1") = "5"
    & skf21("3","6","6","2","1","5","3","1") = "5"
    & skf21("3","6","6","2","1","5","4","1") = "5"
    & skf21("3","6","6","2","1","5","5","1") = "5"
    & skf21("3","6","6","2","1","5","6","1") = "5"
    & skf21("3","6","6","2","1","5","7","1") = "6"
    & skf21("3","6","6","2","1","6","1","1") = "5"
    & skf21("3","6","6","2","1","6","2","1") = "5"
    & skf21("3","6","6","2","1","6","3","1") = "5"
    & skf21("3","6","6","2","1","6","4","1") = "5"
    & skf21("3","6","6","2","1","6","5","1") = "5"
    & skf21("3","6","6","2","1","6","6","1") = "5"
    & skf21("3","6","6","2","1","6","7","1") = "6"
    & skf21("3","6","6","2","1","7","1","1") = "6"
    & skf21("3","6","6","2","1","7","2","1") = "6"
    & skf21("3","6","6","2","1","7","3","1") = "6"
    & skf21("3","6","6","2","1","7","4","1") = "6"
    & skf21("3","6","6","2","1","7","5","1") = "6"
    & skf21("3","6","6","2","1","7","6","1") = "6"
    & skf21("3","6","6","2","1","7","7","1") = "6"
    & skf21("3","6","6","2","2","1","1","1") = "5"
    & skf21("3","6","6","2","2","1","2","1") = "5"
    & skf21("3","6","6","2","2","1","3","1") = "5"
    & skf21("3","6","6","2","2","1","4","1") = "5"
    & skf21("3","6","6","2","2","1","5","1") = "5"
    & skf21("3","6","6","2","2","1","6","1") = "5"
    & skf21("3","6","6","2","2","1","7","1") = "6"
    & skf21("3","6","6","2","2","2","1","1") = "5"
    & skf21("3","6","6","2","2","2","2","1") = "5"
    & skf21("3","6","6","2","2","2","3","1") = "5"
    & skf21("3","6","6","2","2","2","4","1") = "5"
    & skf21("3","6","6","2","2","2","5","1") = "5"
    & skf21("3","6","6","2","2","2","6","1") = "5"
    & skf21("3","6","6","2","2","2","7","1") = "6"
    & skf21("3","6","6","2","2","3","1","1") = "5"
    & skf21("3","6","6","2","2","3","2","1") = "5"
    & skf21("3","6","6","2","2","3","3","1") = "5"
    & skf21("3","6","6","2","2","3","4","1") = "5"
    & skf21("3","6","6","2","2","3","5","1") = "5"
    & skf21("3","6","6","2","2","3","6","1") = "5"
    & skf21("3","6","6","2","2","3","7","1") = "6"
    & skf21("3","6","6","2","2","4","1","1") = "5"
    & skf21("3","6","6","2","2","4","2","1") = "5"
    & skf21("3","6","6","2","2","4","3","1") = "5"
    & skf21("3","6","6","2","2","4","4","1") = "5"
    & skf21("3","6","6","2","2","4","5","1") = "5"
    & skf21("3","6","6","2","2","4","6","1") = "5"
    & skf21("3","6","6","2","2","4","7","1") = "6"
    & skf21("3","6","6","2","2","5","1","1") = "5"
    & skf21("3","6","6","2","2","5","2","1") = "5"
    & skf21("3","6","6","2","2","5","3","1") = "5"
    & skf21("3","6","6","2","2","5","4","1") = "5"
    & skf21("3","6","6","2","2","5","5","1") = "5"
    & skf21("3","6","6","2","2","5","6","1") = "5"
    & skf21("3","6","6","2","2","5","7","1") = "6"
    & skf21("3","6","6","2","2","6","1","1") = "5"
    & skf21("3","6","6","2","2","6","2","1") = "5"
    & skf21("3","6","6","2","2","6","3","1") = "5"
    & skf21("3","6","6","2","2","6","4","1") = "5"
    & skf21("3","6","6","2","2","6","5","1") = "5"
    & skf21("3","6","6","2","2","6","6","1") = "5"
    & skf21("3","6","6","2","2","6","7","1") = "6"
    & skf21("3","6","6","2","2","7","1","1") = "6"
    & skf21("3","6","6","2","2","7","2","1") = "6"
    & skf21("3","6","6","2","2","7","3","1") = "6"
    & skf21("3","6","6","2","2","7","4","1") = "6"
    & skf21("3","6","6","2","2","7","5","1") = "6"
    & skf21("3","6","6","2","2","7","6","1") = "6"
    & skf21("3","6","6","2","2","7","7","1") = "6"
    & skf21("3","6","6","2","3","1","1","1") = "5"
    & skf21("3","6","6","2","3","1","2","1") = "5"
    & skf21("3","6","6","2","3","1","3","1") = "5"
    & skf21("3","6","6","2","3","1","4","1") = "5"
    & skf21("3","6","6","2","3","1","5","1") = "5"
    & skf21("3","6","6","2","3","1","6","1") = "5"
    & skf21("3","6","6","2","3","1","7","1") = "6"
    & skf21("3","6","6","2","3","2","1","1") = "5"
    & skf21("3","6","6","2","3","2","2","1") = "5"
    & skf21("3","6","6","2","3","2","3","1") = "5"
    & skf21("3","6","6","2","3","2","4","1") = "5"
    & skf21("3","6","6","2","3","2","5","1") = "5"
    & skf21("3","6","6","2","3","2","6","1") = "5"
    & skf21("3","6","6","2","3","2","7","1") = "6"
    & skf21("3","6","6","2","3","3","1","1") = "5"
    & skf21("3","6","6","2","3","3","2","1") = "5"
    & skf21("3","6","6","2","3","3","3","1") = "5"
    & skf21("3","6","6","2","3","3","4","1") = "5"
    & skf21("3","6","6","2","3","3","5","1") = "5"
    & skf21("3","6","6","2","3","3","6","1") = "5"
    & skf21("3","6","6","2","3","3","7","1") = "6"
    & skf21("3","6","6","2","3","4","1","1") = "5"
    & skf21("3","6","6","2","3","4","2","1") = "5"
    & skf21("3","6","6","2","3","4","3","1") = "5"
    & skf21("3","6","6","2","3","4","4","1") = "5"
    & skf21("3","6","6","2","3","4","5","1") = "5"
    & skf21("3","6","6","2","3","4","6","1") = "5"
    & skf21("3","6","6","2","3","4","7","1") = "6"
    & skf21("3","6","6","2","3","5","1","1") = "5"
    & skf21("3","6","6","2","3","5","2","1") = "5"
    & skf21("3","6","6","2","3","5","3","1") = "5"
    & skf21("3","6","6","2","3","5","4","1") = "5"
    & skf21("3","6","6","2","3","5","5","1") = "5"
    & skf21("3","6","6","2","3","5","6","1") = "5"
    & skf21("3","6","6","2","3","5","7","1") = "6"
    & skf21("3","6","6","2","3","6","1","1") = "5"
    & skf21("3","6","6","2","3","6","2","1") = "5"
    & skf21("3","6","6","2","3","6","3","1") = "5"
    & skf21("3","6","6","2","3","6","4","1") = "5"
    & skf21("3","6","6","2","3","6","5","1") = "5"
    & skf21("3","6","6","2","3","6","6","1") = "5"
    & skf21("3","6","6","2","3","6","7","1") = "6"
    & skf21("3","6","6","2","3","7","1","1") = "6"
    & skf21("3","6","6","2","3","7","2","1") = "6"
    & skf21("3","6","6","2","3","7","3","1") = "6"
    & skf21("3","6","6","2","3","7","4","1") = "6"
    & skf21("3","6","6","2","3","7","5","1") = "6"
    & skf21("3","6","6","2","3","7","6","1") = "6"
    & skf21("3","6","6","2","3","7","7","1") = "6"
    & skf21("3","6","6","2","4","1","1","1") = "5"
    & skf21("3","6","6","2","4","1","2","1") = "5"
    & skf21("3","6","6","2","4","1","3","1") = "5"
    & skf21("3","6","6","2","4","1","4","1") = "5"
    & skf21("3","6","6","2","4","1","5","1") = "5"
    & skf21("3","6","6","2","4","1","6","1") = "5"
    & skf21("3","6","6","2","4","1","7","1") = "6"
    & skf21("3","6","6","2","4","2","1","1") = "5"
    & skf21("3","6","6","2","4","2","2","1") = "5"
    & skf21("3","6","6","2","4","2","3","1") = "5"
    & skf21("3","6","6","2","4","2","4","1") = "5"
    & skf21("3","6","6","2","4","2","5","1") = "5"
    & skf21("3","6","6","2","4","2","6","1") = "5"
    & skf21("3","6","6","2","4","2","7","1") = "6"
    & skf21("3","6","6","2","4","3","1","1") = "5"
    & skf21("3","6","6","2","4","3","2","1") = "5"
    & skf21("3","6","6","2","4","3","3","1") = "5"
    & skf21("3","6","6","2","4","3","4","1") = "5"
    & skf21("3","6","6","2","4","3","5","1") = "5"
    & skf21("3","6","6","2","4","3","6","1") = "5"
    & skf21("3","6","6","2","4","3","7","1") = "6"
    & skf21("3","6","6","2","4","4","1","1") = "5"
    & skf21("3","6","6","2","4","4","2","1") = "5"
    & skf21("3","6","6","2","4","4","3","1") = "5"
    & skf21("3","6","6","2","4","4","4","1") = "5"
    & skf21("3","6","6","2","4","4","5","1") = "5"
    & skf21("3","6","6","2","4","4","6","1") = "5"
    & skf21("3","6","6","2","4","4","7","1") = "6"
    & skf21("3","6","6","2","4","5","1","1") = "5"
    & skf21("3","6","6","2","4","5","2","1") = "5"
    & skf21("3","6","6","2","4","5","3","1") = "5"
    & skf21("3","6","6","2","4","5","4","1") = "5"
    & skf21("3","6","6","2","4","5","5","1") = "5"
    & skf21("3","6","6","2","4","5","6","1") = "5"
    & skf21("3","6","6","2","4","5","7","1") = "6"
    & skf21("3","6","6","2","4","6","1","1") = "5"
    & skf21("3","6","6","2","4","6","2","1") = "5"
    & skf21("3","6","6","2","4","6","3","1") = "5"
    & skf21("3","6","6","2","4","6","4","1") = "5"
    & skf21("3","6","6","2","4","6","5","1") = "5"
    & skf21("3","6","6","2","4","6","6","1") = "5"
    & skf21("3","6","6","2","4","6","7","1") = "6"
    & skf21("3","6","6","2","4","7","1","1") = "6"
    & skf21("3","6","6","2","4","7","2","1") = "6"
    & skf21("3","6","6","2","4","7","3","1") = "6"
    & skf21("3","6","6","2","4","7","4","1") = "6"
    & skf21("3","6","6","2","4","7","5","1") = "6"
    & skf21("3","6","6","2","4","7","6","1") = "6"
    & skf21("3","6","6","2","4","7","7","1") = "6"
    & skf21("3","6","6","2","5","1","1","1") = "5"
    & skf21("3","6","6","2","5","1","2","1") = "5"
    & skf21("3","6","6","2","5","1","3","1") = "5"
    & skf21("3","6","6","2","5","1","4","1") = "5"
    & skf21("3","6","6","2","5","1","5","1") = "5"
    & skf21("3","6","6","2","5","1","6","1") = "5"
    & skf21("3","6","6","2","5","1","7","1") = "6"
    & skf21("3","6","6","2","5","2","1","1") = "5"
    & skf21("3","6","6","2","5","2","2","1") = "5"
    & skf21("3","6","6","2","5","2","3","1") = "5"
    & skf21("3","6","6","2","5","2","4","1") = "5"
    & skf21("3","6","6","2","5","2","5","1") = "5"
    & skf21("3","6","6","2","5","2","6","1") = "5"
    & skf21("3","6","6","2","5","2","7","1") = "6"
    & skf21("3","6","6","2","5","3","1","1") = "5"
    & skf21("3","6","6","2","5","3","2","1") = "5"
    & skf21("3","6","6","2","5","3","3","1") = "5"
    & skf21("3","6","6","2","5","3","4","1") = "5"
    & skf21("3","6","6","2","5","3","5","1") = "5"
    & skf21("3","6","6","2","5","3","6","1") = "5"
    & skf21("3","6","6","2","5","3","7","1") = "6"
    & skf21("3","6","6","2","5","4","1","1") = "5"
    & skf21("3","6","6","2","5","4","2","1") = "5"
    & skf21("3","6","6","2","5","4","3","1") = "5"
    & skf21("3","6","6","2","5","4","4","1") = "5"
    & skf21("3","6","6","2","5","4","5","1") = "5"
    & skf21("3","6","6","2","5","4","6","1") = "5"
    & skf21("3","6","6","2","5","4","7","1") = "6"
    & skf21("3","6","6","2","5","5","1","1") = "5"
    & skf21("3","6","6","2","5","5","2","1") = "5"
    & skf21("3","6","6","2","5","5","3","1") = "5"
    & skf21("3","6","6","2","5","5","4","1") = "5"
    & skf21("3","6","6","2","5","5","5","1") = "5"
    & skf21("3","6","6","2","5","5","6","1") = "5"
    & skf21("3","6","6","2","5","5","7","1") = "6"
    & skf21("3","6","6","2","5","6","1","1") = "5"
    & skf21("3","6","6","2","5","6","2","1") = "5"
    & skf21("3","6","6","2","5","6","3","1") = "5"
    & skf21("3","6","6","2","5","6","4","1") = "5"
    & skf21("3","6","6","2","5","6","5","1") = "5"
    & skf21("3","6","6","2","5","6","6","1") = "5"
    & skf21("3","6","6","2","5","6","7","1") = "6"
    & skf21("3","6","6","2","5","7","1","1") = "6"
    & skf21("3","6","6","2","5","7","2","1") = "6"
    & skf21("3","6","6","2","5","7","3","1") = "6"
    & skf21("3","6","6","2","5","7","4","1") = "6"
    & skf21("3","6","6","2","5","7","5","1") = "6"
    & skf21("3","6","6","2","5","7","6","1") = "6"
    & skf21("3","6","6","2","5","7","7","1") = "6"
    & skf21("3","6","6","2","6","1","1","1") = "5"
    & skf21("3","6","6","2","6","1","2","1") = "5"
    & skf21("3","6","6","2","6","1","3","1") = "5"
    & skf21("3","6","6","2","6","1","4","1") = "5"
    & skf21("3","6","6","2","6","1","5","1") = "5"
    & skf21("3","6","6","2","6","1","6","1") = "5"
    & skf21("3","6","6","2","6","1","7","1") = "6"
    & skf21("3","6","6","2","6","2","1","1") = "5"
    & skf21("3","6","6","2","6","2","2","1") = "5"
    & skf21("3","6","6","2","6","2","3","1") = "5"
    & skf21("3","6","6","2","6","2","4","1") = "5"
    & skf21("3","6","6","2","6","2","5","1") = "5"
    & skf21("3","6","6","2","6","2","6","1") = "5"
    & skf21("3","6","6","2","6","2","7","1") = "6"
    & skf21("3","6","6","2","6","3","1","1") = "5"
    & skf21("3","6","6","2","6","3","2","1") = "5"
    & skf21("3","6","6","2","6","3","3","1") = "5"
    & skf21("3","6","6","2","6","3","4","1") = "5"
    & skf21("3","6","6","2","6","3","5","1") = "5"
    & skf21("3","6","6","2","6","3","6","1") = "5"
    & skf21("3","6","6","2","6","3","7","1") = "6"
    & skf21("3","6","6","2","6","4","1","1") = "5"
    & skf21("3","6","6","2","6","4","2","1") = "5"
    & skf21("3","6","6","2","6","4","3","1") = "5"
    & skf21("3","6","6","2","6","4","4","1") = "5"
    & skf21("3","6","6","2","6","4","5","1") = "5"
    & skf21("3","6","6","2","6","4","6","1") = "5"
    & skf21("3","6","6","2","6","4","7","1") = "6"
    & skf21("3","6","6","2","6","5","1","1") = "5"
    & skf21("3","6","6","2","6","5","2","1") = "5"
    & skf21("3","6","6","2","6","5","3","1") = "5"
    & skf21("3","6","6","2","6","5","4","1") = "5"
    & skf21("3","6","6","2","6","5","5","1") = "5"
    & skf21("3","6","6","2","6","5","6","1") = "5"
    & skf21("3","6","6","2","6","5","7","1") = "6"
    & skf21("3","6","6","2","6","6","1","1") = "5"
    & skf21("3","6","6","2","6","6","2","1") = "5"
    & skf21("3","6","6","2","6","6","3","1") = "5"
    & skf21("3","6","6","2","6","6","4","1") = "5"
    & skf21("3","6","6","2","6","6","5","1") = "5"
    & skf21("3","6","6","2","6","6","6","1") = "5"
    & skf21("3","6","6","2","6","6","7","1") = "6"
    & skf21("3","6","6","2","6","7","1","1") = "6"
    & skf21("3","6","6","2","6","7","2","1") = "6"
    & skf21("3","6","6","2","6","7","3","1") = "6"
    & skf21("3","6","6","2","6","7","4","1") = "6"
    & skf21("3","6","6","2","6","7","5","1") = "6"
    & skf21("3","6","6","2","6","7","6","1") = "6"
    & skf21("3","6","6","2","6","7","7","1") = "6"
    & skf21("3","6","6","2","7","1","1","1") = "6"
    & skf21("3","6","6","2","7","1","2","1") = "6"
    & skf21("3","6","6","2","7","1","3","1") = "6"
    & skf21("3","6","6","2","7","1","4","1") = "6"
    & skf21("3","6","6","2","7","1","5","1") = "6"
    & skf21("3","6","6","2","7","1","6","1") = "6"
    & skf21("3","6","6","2","7","1","7","1") = "6"
    & skf21("3","6","6","2","7","2","1","1") = "6"
    & skf21("3","6","6","2","7","2","2","1") = "6"
    & skf21("3","6","6","2","7","2","3","1") = "6"
    & skf21("3","6","6","2","7","2","4","1") = "6"
    & skf21("3","6","6","2","7","2","5","1") = "6"
    & skf21("3","6","6","2","7","2","6","1") = "6"
    & skf21("3","6","6","2","7","2","7","1") = "6"
    & skf21("3","6","6","2","7","3","1","1") = "6"
    & skf21("3","6","6","2","7","3","2","1") = "6"
    & skf21("3","6","6","2","7","3","3","1") = "6"
    & skf21("3","6","6","2","7","3","4","1") = "6"
    & skf21("3","6","6","2","7","3","5","1") = "6"
    & skf21("3","6","6","2","7","3","6","1") = "6"
    & skf21("3","6","6","2","7","3","7","1") = "6"
    & skf21("3","6","6","2","7","4","1","1") = "6"
    & skf21("3","6","6","2","7","4","2","1") = "6"
    & skf21("3","6","6","2","7","4","3","1") = "6"
    & skf21("3","6","6","2","7","4","4","1") = "6"
    & skf21("3","6","6","2","7","4","5","1") = "6"
    & skf21("3","6","6","2","7","4","6","1") = "6"
    & skf21("3","6","6","2","7","4","7","1") = "6"
    & skf21("3","6","6","2","7","5","1","1") = "6"
    & skf21("3","6","6","2","7","5","2","1") = "6"
    & skf21("3","6","6","2","7","5","3","1") = "6"
    & skf21("3","6","6","2","7","5","4","1") = "6"
    & skf21("3","6","6","2","7","5","5","1") = "6"
    & skf21("3","6","6","2","7","5","6","1") = "6"
    & skf21("3","6","6","2","7","5","7","1") = "6"
    & skf21("3","6","6","2","7","6","1","1") = "6"
    & skf21("3","6","6","2","7","6","2","1") = "6"
    & skf21("3","6","6","2","7","6","3","1") = "6"
    & skf21("3","6","6","2","7","6","4","1") = "6"
    & skf21("3","6","6","2","7","6","5","1") = "6"
    & skf21("3","6","6","2","7","6","6","1") = "6"
    & skf21("3","6","6","2","7","6","7","1") = "6"
    & skf21("3","6","6","2","7","7","1","1") = "6"
    & skf21("3","6","6","2","7","7","2","1") = "6"
    & skf21("3","6","6","2","7","7","3","1") = "6"
    & skf21("3","6","6","2","7","7","4","1") = "6"
    & skf21("3","6","6","2","7","7","5","1") = "6"
    & skf21("3","6","6","2","7","7","6","1") = "6"
    & skf21("3","6","6","2","7","7","7","1") = "6"
    & skf21("3","6","6","3","1","1","1","1") = "5"
    & skf21("3","6","6","3","1","1","2","1") = "5"
    & skf21("3","6","6","3","1","1","3","1") = "5"
    & skf21("3","6","6","3","1","1","4","1") = "5"
    & skf21("3","6","6","3","1","1","5","1") = "5"
    & skf21("3","6","6","3","1","1","6","1") = "5"
    & skf21("3","6","6","3","1","1","7","1") = "6"
    & skf21("3","6","6","3","1","2","1","1") = "5"
    & skf21("3","6","6","3","1","2","2","1") = "5"
    & skf21("3","6","6","3","1","2","3","1") = "5"
    & skf21("3","6","6","3","1","2","4","1") = "5"
    & skf21("3","6","6","3","1","2","5","1") = "5"
    & skf21("3","6","6","3","1","2","6","1") = "5"
    & skf21("3","6","6","3","1","2","7","1") = "6"
    & skf21("3","6","6","3","1","3","1","1") = "5"
    & skf21("3","6","6","3","1","3","2","1") = "5"
    & skf21("3","6","6","3","1","3","3","1") = "5"
    & skf21("3","6","6","3","1","3","4","1") = "5"
    & skf21("3","6","6","3","1","3","5","1") = "5"
    & skf21("3","6","6","3","1","3","6","1") = "5"
    & skf21("3","6","6","3","1","3","7","1") = "6"
    & skf21("3","6","6","3","1","4","1","1") = "5"
    & skf21("3","6","6","3","1","4","2","1") = "5"
    & skf21("3","6","6","3","1","4","3","1") = "5"
    & skf21("3","6","6","3","1","4","4","1") = "5"
    & skf21("3","6","6","3","1","4","5","1") = "5"
    & skf21("3","6","6","3","1","4","6","1") = "5"
    & skf21("3","6","6","3","1","4","7","1") = "6"
    & skf21("3","6","6","3","1","5","1","1") = "5"
    & skf21("3","6","6","3","1","5","2","1") = "5"
    & skf21("3","6","6","3","1","5","3","1") = "5"
    & skf21("3","6","6","3","1","5","4","1") = "5"
    & skf21("3","6","6","3","1","5","5","1") = "5"
    & skf21("3","6","6","3","1","5","6","1") = "5"
    & skf21("3","6","6","3","1","5","7","1") = "6"
    & skf21("3","6","6","3","1","6","1","1") = "5"
    & skf21("3","6","6","3","1","6","2","1") = "5"
    & skf21("3","6","6","3","1","6","3","1") = "5"
    & skf21("3","6","6","3","1","6","4","1") = "5"
    & skf21("3","6","6","3","1","6","5","1") = "5"
    & skf21("3","6","6","3","1","6","6","1") = "5"
    & skf21("3","6","6","3","1","6","7","1") = "6"
    & skf21("3","6","6","3","1","7","1","1") = "6"
    & skf21("3","6","6","3","1","7","2","1") = "6"
    & skf21("3","6","6","3","1","7","3","1") = "6"
    & skf21("3","6","6","3","1","7","4","1") = "6"
    & skf21("3","6","6","3","1","7","5","1") = "6"
    & skf21("3","6","6","3","1","7","6","1") = "6"
    & skf21("3","6","6","3","1","7","7","1") = "6"
    & skf21("3","6","6","3","2","1","1","1") = "5"
    & skf21("3","6","6","3","2","1","2","1") = "5"
    & skf21("3","6","6","3","2","1","3","1") = "5"
    & skf21("3","6","6","3","2","1","4","1") = "5"
    & skf21("3","6","6","3","2","1","5","1") = "5"
    & skf21("3","6","6","3","2","1","6","1") = "5"
    & skf21("3","6","6","3","2","1","7","1") = "6"
    & skf21("3","6","6","3","2","2","1","1") = "5"
    & skf21("3","6","6","3","2","2","2","1") = "5"
    & skf21("3","6","6","3","2","2","3","1") = "5"
    & skf21("3","6","6","3","2","2","4","1") = "5"
    & skf21("3","6","6","3","2","2","5","1") = "5"
    & skf21("3","6","6","3","2","2","6","1") = "5"
    & skf21("3","6","6","3","2","2","7","1") = "6"
    & skf21("3","6","6","3","2","3","1","1") = "5"
    & skf21("3","6","6","3","2","3","2","1") = "5"
    & skf21("3","6","6","3","2","3","3","1") = "5"
    & skf21("3","6","6","3","2","3","4","1") = "5"
    & skf21("3","6","6","3","2","3","5","1") = "5"
    & skf21("3","6","6","3","2","3","6","1") = "5"
    & skf21("3","6","6","3","2","3","7","1") = "6"
    & skf21("3","6","6","3","2","4","1","1") = "5"
    & skf21("3","6","6","3","2","4","2","1") = "5"
    & skf21("3","6","6","3","2","4","3","1") = "5"
    & skf21("3","6","6","3","2","4","4","1") = "5"
    & skf21("3","6","6","3","2","4","5","1") = "5"
    & skf21("3","6","6","3","2","4","6","1") = "5"
    & skf21("3","6","6","3","2","4","7","1") = "6"
    & skf21("3","6","6","3","2","5","1","1") = "5"
    & skf21("3","6","6","3","2","5","2","1") = "5"
    & skf21("3","6","6","3","2","5","3","1") = "5"
    & skf21("3","6","6","3","2","5","4","1") = "5"
    & skf21("3","6","6","3","2","5","5","1") = "5"
    & skf21("3","6","6","3","2","5","6","1") = "5"
    & skf21("3","6","6","3","2","5","7","1") = "6"
    & skf21("3","6","6","3","2","6","1","1") = "5"
    & skf21("3","6","6","3","2","6","2","1") = "5"
    & skf21("3","6","6","3","2","6","3","1") = "5"
    & skf21("3","6","6","3","2","6","4","1") = "5"
    & skf21("3","6","6","3","2","6","5","1") = "5"
    & skf21("3","6","6","3","2","6","6","1") = "5"
    & skf21("3","6","6","3","2","6","7","1") = "6"
    & skf21("3","6","6","3","2","7","1","1") = "6"
    & skf21("3","6","6","3","2","7","2","1") = "6"
    & skf21("3","6","6","3","2","7","3","1") = "6"
    & skf21("3","6","6","3","2","7","4","1") = "6"
    & skf21("3","6","6","3","2","7","5","1") = "6"
    & skf21("3","6","6","3","2","7","6","1") = "6"
    & skf21("3","6","6","3","2","7","7","1") = "6"
    & skf21("3","6","6","3","3","1","1","1") = "5"
    & skf21("3","6","6","3","3","1","2","1") = "5"
    & skf21("3","6","6","3","3","1","3","1") = "5"
    & skf21("3","6","6","3","3","1","4","1") = "5"
    & skf21("3","6","6","3","3","1","5","1") = "5"
    & skf21("3","6","6","3","3","1","6","1") = "5"
    & skf21("3","6","6","3","3","1","7","1") = "6"
    & skf21("3","6","6","3","3","2","1","1") = "5"
    & skf21("3","6","6","3","3","2","2","1") = "5"
    & skf21("3","6","6","3","3","2","3","1") = "5"
    & skf21("3","6","6","3","3","2","4","1") = "5"
    & skf21("3","6","6","3","3","2","5","1") = "5"
    & skf21("3","6","6","3","3","2","6","1") = "5"
    & skf21("3","6","6","3","3","2","7","1") = "6"
    & skf21("3","6","6","3","3","3","1","1") = "5"
    & skf21("3","6","6","3","3","3","2","1") = "5"
    & skf21("3","6","6","3","3","3","3","1") = "5"
    & skf21("3","6","6","3","3","3","4","1") = "5"
    & skf21("3","6","6","3","3","3","5","1") = "5"
    & skf21("3","6","6","3","3","3","6","1") = "5"
    & skf21("3","6","6","3","3","3","7","1") = "6"
    & skf21("3","6","6","3","3","4","1","1") = "5"
    & skf21("3","6","6","3","3","4","2","1") = "5"
    & skf21("3","6","6","3","3","4","3","1") = "5"
    & skf21("3","6","6","3","3","4","4","1") = "5"
    & skf21("3","6","6","3","3","4","5","1") = "5"
    & skf21("3","6","6","3","3","4","6","1") = "5"
    & skf21("3","6","6","3","3","4","7","1") = "6"
    & skf21("3","6","6","3","3","5","1","1") = "5"
    & skf21("3","6","6","3","3","5","2","1") = "5"
    & skf21("3","6","6","3","3","5","3","1") = "5"
    & skf21("3","6","6","3","3","5","4","1") = "5"
    & skf21("3","6","6","3","3","5","5","1") = "5"
    & skf21("3","6","6","3","3","5","6","1") = "5"
    & skf21("3","6","6","3","3","5","7","1") = "6"
    & skf21("3","6","6","3","3","6","1","1") = "5"
    & skf21("3","6","6","3","3","6","2","1") = "5"
    & skf21("3","6","6","3","3","6","3","1") = "5"
    & skf21("3","6","6","3","3","6","4","1") = "5"
    & skf21("3","6","6","3","3","6","5","1") = "5"
    & skf21("3","6","6","3","3","6","6","1") = "5"
    & skf21("3","6","6","3","3","6","7","1") = "6"
    & skf21("3","6","6","3","3","7","1","1") = "6"
    & skf21("3","6","6","3","3","7","2","1") = "6"
    & skf21("3","6","6","3","3","7","3","1") = "6"
    & skf21("3","6","6","3","3","7","4","1") = "6"
    & skf21("3","6","6","3","3","7","5","1") = "6"
    & skf21("3","6","6","3","3","7","6","1") = "6"
    & skf21("3","6","6","3","3","7","7","1") = "6"
    & skf21("3","6","6","3","4","1","1","1") = "5"
    & skf21("3","6","6","3","4","1","2","1") = "5"
    & skf21("3","6","6","3","4","1","3","1") = "5"
    & skf21("3","6","6","3","4","1","4","1") = "5"
    & skf21("3","6","6","3","4","1","5","1") = "5"
    & skf21("3","6","6","3","4","1","6","1") = "5"
    & skf21("3","6","6","3","4","1","7","1") = "6"
    & skf21("3","6","6","3","4","2","1","1") = "5"
    & skf21("3","6","6","3","4","2","2","1") = "5"
    & skf21("3","6","6","3","4","2","3","1") = "5"
    & skf21("3","6","6","3","4","2","4","1") = "5"
    & skf21("3","6","6","3","4","2","5","1") = "5"
    & skf21("3","6","6","3","4","2","6","1") = "5"
    & skf21("3","6","6","3","4","2","7","1") = "6"
    & skf21("3","6","6","3","4","3","1","1") = "5"
    & skf21("3","6","6","3","4","3","2","1") = "5"
    & skf21("3","6","6","3","4","3","3","1") = "5"
    & skf21("3","6","6","3","4","3","4","1") = "5"
    & skf21("3","6","6","3","4","3","5","1") = "5"
    & skf21("3","6","6","3","4","3","6","1") = "5"
    & skf21("3","6","6","3","4","3","7","1") = "6"
    & skf21("3","6","6","3","4","4","1","1") = "5"
    & skf21("3","6","6","3","4","4","2","1") = "5"
    & skf21("3","6","6","3","4","4","3","1") = "5"
    & skf21("3","6","6","3","4","4","4","1") = "5"
    & skf21("3","6","6","3","4","4","5","1") = "5"
    & skf21("3","6","6","3","4","4","6","1") = "5"
    & skf21("3","6","6","3","4","4","7","1") = "6"
    & skf21("3","6","6","3","4","5","1","1") = "5"
    & skf21("3","6","6","3","4","5","2","1") = "5"
    & skf21("3","6","6","3","4","5","3","1") = "5"
    & skf21("3","6","6","3","4","5","4","1") = "5"
    & skf21("3","6","6","3","4","5","5","1") = "5"
    & skf21("3","6","6","3","4","5","6","1") = "5"
    & skf21("3","6","6","3","4","5","7","1") = "6"
    & skf21("3","6","6","3","4","6","1","1") = "5"
    & skf21("3","6","6","3","4","6","2","1") = "5"
    & skf21("3","6","6","3","4","6","3","1") = "5"
    & skf21("3","6","6","3","4","6","4","1") = "5"
    & skf21("3","6","6","3","4","6","5","1") = "5"
    & skf21("3","6","6","3","4","6","6","1") = "5"
    & skf21("3","6","6","3","4","6","7","1") = "6"
    & skf21("3","6","6","3","4","7","1","1") = "6"
    & skf21("3","6","6","3","4","7","2","1") = "6"
    & skf21("3","6","6","3","4","7","3","1") = "6"
    & skf21("3","6","6","3","4","7","4","1") = "6"
    & skf21("3","6","6","3","4","7","5","1") = "6"
    & skf21("3","6","6","3","4","7","6","1") = "6"
    & skf21("3","6","6","3","4","7","7","1") = "6"
    & skf21("3","6","6","3","5","1","1","1") = "5"
    & skf21("3","6","6","3","5","1","2","1") = "5"
    & skf21("3","6","6","3","5","1","3","1") = "5"
    & skf21("3","6","6","3","5","1","4","1") = "5"
    & skf21("3","6","6","3","5","1","5","1") = "5"
    & skf21("3","6","6","3","5","1","6","1") = "5"
    & skf21("3","6","6","3","5","1","7","1") = "6"
    & skf21("3","6","6","3","5","2","1","1") = "5"
    & skf21("3","6","6","3","5","2","2","1") = "5"
    & skf21("3","6","6","3","5","2","3","1") = "5"
    & skf21("3","6","6","3","5","2","4","1") = "5"
    & skf21("3","6","6","3","5","2","5","1") = "5"
    & skf21("3","6","6","3","5","2","6","1") = "5"
    & skf21("3","6","6","3","5","2","7","1") = "6"
    & skf21("3","6","6","3","5","3","1","1") = "5"
    & skf21("3","6","6","3","5","3","2","1") = "5"
    & skf21("3","6","6","3","5","3","3","1") = "5"
    & skf21("3","6","6","3","5","3","4","1") = "5"
    & skf21("3","6","6","3","5","3","5","1") = "5"
    & skf21("3","6","6","3","5","3","6","1") = "5"
    & skf21("3","6","6","3","5","3","7","1") = "6"
    & skf21("3","6","6","3","5","4","1","1") = "5"
    & skf21("3","6","6","3","5","4","2","1") = "5"
    & skf21("3","6","6","3","5","4","3","1") = "5"
    & skf21("3","6","6","3","5","4","4","1") = "5"
    & skf21("3","6","6","3","5","4","5","1") = "5"
    & skf21("3","6","6","3","5","4","6","1") = "5"
    & skf21("3","6","6","3","5","4","7","1") = "6"
    & skf21("3","6","6","3","5","5","1","1") = "5"
    & skf21("3","6","6","3","5","5","2","1") = "5"
    & skf21("3","6","6","3","5","5","3","1") = "5"
    & skf21("3","6","6","3","5","5","4","1") = "5"
    & skf21("3","6","6","3","5","5","5","1") = "5"
    & skf21("3","6","6","3","5","5","6","1") = "5"
    & skf21("3","6","6","3","5","5","7","1") = "6"
    & skf21("3","6","6","3","5","6","1","1") = "5"
    & skf21("3","6","6","3","5","6","2","1") = "5"
    & skf21("3","6","6","3","5","6","3","1") = "5"
    & skf21("3","6","6","3","5","6","4","1") = "5"
    & skf21("3","6","6","3","5","6","5","1") = "5"
    & skf21("3","6","6","3","5","6","6","1") = "5"
    & skf21("3","6","6","3","5","6","7","1") = "6"
    & skf21("3","6","6","3","5","7","1","1") = "6"
    & skf21("3","6","6","3","5","7","2","1") = "6"
    & skf21("3","6","6","3","5","7","3","1") = "6"
    & skf21("3","6","6","3","5","7","4","1") = "6"
    & skf21("3","6","6","3","5","7","5","1") = "6"
    & skf21("3","6","6","3","5","7","6","1") = "6"
    & skf21("3","6","6","3","5","7","7","1") = "6"
    & skf21("3","6","6","3","6","1","1","1") = "5"
    & skf21("3","6","6","3","6","1","2","1") = "5"
    & skf21("3","6","6","3","6","1","3","1") = "5"
    & skf21("3","6","6","3","6","1","4","1") = "5"
    & skf21("3","6","6","3","6","1","5","1") = "5"
    & skf21("3","6","6","3","6","1","6","1") = "5"
    & skf21("3","6","6","3","6","1","7","1") = "6"
    & skf21("3","6","6","3","6","2","1","1") = "5"
    & skf21("3","6","6","3","6","2","2","1") = "5"
    & skf21("3","6","6","3","6","2","3","1") = "5"
    & skf21("3","6","6","3","6","2","4","1") = "5"
    & skf21("3","6","6","3","6","2","5","1") = "5"
    & skf21("3","6","6","3","6","2","6","1") = "5"
    & skf21("3","6","6","3","6","2","7","1") = "6"
    & skf21("3","6","6","3","6","3","1","1") = "5"
    & skf21("3","6","6","3","6","3","2","1") = "5"
    & skf21("3","6","6","3","6","3","3","1") = "5"
    & skf21("3","6","6","3","6","3","4","1") = "5"
    & skf21("3","6","6","3","6","3","5","1") = "5"
    & skf21("3","6","6","3","6","3","6","1") = "5"
    & skf21("3","6","6","3","6","3","7","1") = "6"
    & skf21("3","6","6","3","6","4","1","1") = "5"
    & skf21("3","6","6","3","6","4","2","1") = "5"
    & skf21("3","6","6","3","6","4","3","1") = "5"
    & skf21("3","6","6","3","6","4","4","1") = "5"
    & skf21("3","6","6","3","6","4","5","1") = "5"
    & skf21("3","6","6","3","6","4","6","1") = "5"
    & skf21("3","6","6","3","6","4","7","1") = "6"
    & skf21("3","6","6","3","6","5","1","1") = "5"
    & skf21("3","6","6","3","6","5","2","1") = "5"
    & skf21("3","6","6","3","6","5","3","1") = "5"
    & skf21("3","6","6","3","6","5","4","1") = "5"
    & skf21("3","6","6","3","6","5","5","1") = "5"
    & skf21("3","6","6","3","6","5","6","1") = "5"
    & skf21("3","6","6","3","6","5","7","1") = "6"
    & skf21("3","6","6","3","6","6","1","1") = "5"
    & skf21("3","6","6","3","6","6","2","1") = "5"
    & skf21("3","6","6","3","6","6","3","1") = "5"
    & skf21("3","6","6","3","6","6","4","1") = "5"
    & skf21("3","6","6","3","6","6","5","1") = "5"
    & skf21("3","6","6","3","6","6","6","1") = "5"
    & skf21("3","6","6","3","6","6","7","1") = "6"
    & skf21("3","6","6","3","6","7","1","1") = "6"
    & skf21("3","6","6","3","6","7","2","1") = "6"
    & skf21("3","6","6","3","6","7","3","1") = "6"
    & skf21("3","6","6","3","6","7","4","1") = "6"
    & skf21("3","6","6","3","6","7","5","1") = "6"
    & skf21("3","6","6","3","6","7","6","1") = "6"
    & skf21("3","6","6","3","6","7","7","1") = "6"
    & skf21("3","6","6","3","7","1","1","1") = "6"
    & skf21("3","6","6","3","7","1","2","1") = "6"
    & skf21("3","6","6","3","7","1","3","1") = "6"
    & skf21("3","6","6","3","7","1","4","1") = "6"
    & skf21("3","6","6","3","7","1","5","1") = "6"
    & skf21("3","6","6","3","7","1","6","1") = "6"
    & skf21("3","6","6","3","7","1","7","1") = "6"
    & skf21("3","6","6","3","7","2","1","1") = "6"
    & skf21("3","6","6","3","7","2","2","1") = "6"
    & skf21("3","6","6","3","7","2","3","1") = "6"
    & skf21("3","6","6","3","7","2","4","1") = "6"
    & skf21("3","6","6","3","7","2","5","1") = "6"
    & skf21("3","6","6","3","7","2","6","1") = "6"
    & skf21("3","6","6","3","7","2","7","1") = "6"
    & skf21("3","6","6","3","7","3","1","1") = "6"
    & skf21("3","6","6","3","7","3","2","1") = "6"
    & skf21("3","6","6","3","7","3","3","1") = "6"
    & skf21("3","6","6","3","7","3","4","1") = "6"
    & skf21("3","6","6","3","7","3","5","1") = "6"
    & skf21("3","6","6","3","7","3","6","1") = "6"
    & skf21("3","6","6","3","7","3","7","1") = "6"
    & skf21("3","6","6","3","7","4","1","1") = "6"
    & skf21("3","6","6","3","7","4","2","1") = "6"
    & skf21("3","6","6","3","7","4","3","1") = "6"
    & skf21("3","6","6","3","7","4","4","1") = "6"
    & skf21("3","6","6","3","7","4","5","1") = "6"
    & skf21("3","6","6","3","7","4","6","1") = "6"
    & skf21("3","6","6","3","7","4","7","1") = "6"
    & skf21("3","6","6","3","7","5","1","1") = "6"
    & skf21("3","6","6","3","7","5","2","1") = "6"
    & skf21("3","6","6","3","7","5","3","1") = "6"
    & skf21("3","6","6","3","7","5","4","1") = "6"
    & skf21("3","6","6","3","7","5","5","1") = "6"
    & skf21("3","6","6","3","7","5","6","1") = "6"
    & skf21("3","6","6","3","7","5","7","1") = "6"
    & skf21("3","6","6","3","7","6","1","1") = "6"
    & skf21("3","6","6","3","7","6","2","1") = "6"
    & skf21("3","6","6","3","7","6","3","1") = "6"
    & skf21("3","6","6","3","7","6","4","1") = "6"
    & skf21("3","6","6","3","7","6","5","1") = "6"
    & skf21("3","6","6","3","7","6","6","1") = "6"
    & skf21("3","6","6","3","7","6","7","1") = "6"
    & skf21("3","6","6","3","7","7","1","1") = "6"
    & skf21("3","6","6","3","7","7","2","1") = "6"
    & skf21("3","6","6","3","7","7","3","1") = "6"
    & skf21("3","6","6","3","7","7","4","1") = "6"
    & skf21("3","6","6","3","7","7","5","1") = "6"
    & skf21("3","6","6","3","7","7","6","1") = "6"
    & skf21("3","6","6","3","7","7","7","1") = "6"
    & skf21("3","6","6","4","1","1","1","1") = "5"
    & skf21("3","6","6","4","1","1","2","1") = "5"
    & skf21("3","6","6","4","1","1","3","1") = "5"
    & skf21("3","6","6","4","1","1","4","1") = "5"
    & skf21("3","6","6","4","1","1","5","1") = "5"
    & skf21("3","6","6","4","1","1","6","1") = "5"
    & skf21("3","6","6","4","1","1","7","1") = "6"
    & skf21("3","6","6","4","1","2","1","1") = "5"
    & skf21("3","6","6","4","1","2","2","1") = "5"
    & skf21("3","6","6","4","1","2","3","1") = "5"
    & skf21("3","6","6","4","1","2","4","1") = "5"
    & skf21("3","6","6","4","1","2","5","1") = "5"
    & skf21("3","6","6","4","1","2","6","1") = "5"
    & skf21("3","6","6","4","1","2","7","1") = "6"
    & skf21("3","6","6","4","1","3","1","1") = "5"
    & skf21("3","6","6","4","1","3","2","1") = "5"
    & skf21("3","6","6","4","1","3","3","1") = "5"
    & skf21("3","6","6","4","1","3","4","1") = "5"
    & skf21("3","6","6","4","1","3","5","1") = "5"
    & skf21("3","6","6","4","1","3","6","1") = "5"
    & skf21("3","6","6","4","1","3","7","1") = "6"
    & skf21("3","6","6","4","1","4","1","1") = "5"
    & skf21("3","6","6","4","1","4","2","1") = "5"
    & skf21("3","6","6","4","1","4","3","1") = "5"
    & skf21("3","6","6","4","1","4","4","1") = "5"
    & skf21("3","6","6","4","1","4","5","1") = "5"
    & skf21("3","6","6","4","1","4","6","1") = "5"
    & skf21("3","6","6","4","1","4","7","1") = "6"
    & skf21("3","6","6","4","1","5","1","1") = "5"
    & skf21("3","6","6","4","1","5","2","1") = "5"
    & skf21("3","6","6","4","1","5","3","1") = "5"
    & skf21("3","6","6","4","1","5","4","1") = "5"
    & skf21("3","6","6","4","1","5","5","1") = "5"
    & skf21("3","6","6","4","1","5","6","1") = "5"
    & skf21("3","6","6","4","1","5","7","1") = "6"
    & skf21("3","6","6","4","1","6","1","1") = "5"
    & skf21("3","6","6","4","1","6","2","1") = "5"
    & skf21("3","6","6","4","1","6","3","1") = "5"
    & skf21("3","6","6","4","1","6","4","1") = "5"
    & skf21("3","6","6","4","1","6","5","1") = "5"
    & skf21("3","6","6","4","1","6","6","1") = "5"
    & skf21("3","6","6","4","1","6","7","1") = "6"
    & skf21("3","6","6","4","1","7","1","1") = "6"
    & skf21("3","6","6","4","1","7","2","1") = "6"
    & skf21("3","6","6","4","1","7","3","1") = "6"
    & skf21("3","6","6","4","1","7","4","1") = "6"
    & skf21("3","6","6","4","1","7","5","1") = "6"
    & skf21("3","6","6","4","1","7","6","1") = "6"
    & skf21("3","6","6","4","1","7","7","1") = "6"
    & skf21("3","6","6","4","2","1","1","1") = "5"
    & skf21("3","6","6","4","2","1","2","1") = "5"
    & skf21("3","6","6","4","2","1","3","1") = "5"
    & skf21("3","6","6","4","2","1","4","1") = "5"
    & skf21("3","6","6","4","2","1","5","1") = "5"
    & skf21("3","6","6","4","2","1","6","1") = "5"
    & skf21("3","6","6","4","2","1","7","1") = "6"
    & skf21("3","6","6","4","2","2","1","1") = "5"
    & skf21("3","6","6","4","2","2","2","1") = "5"
    & skf21("3","6","6","4","2","2","3","1") = "5"
    & skf21("3","6","6","4","2","2","4","1") = "5"
    & skf21("3","6","6","4","2","2","5","1") = "5"
    & skf21("3","6","6","4","2","2","6","1") = "5"
    & skf21("3","6","6","4","2","2","7","1") = "6"
    & skf21("3","6","6","4","2","3","1","1") = "5"
    & skf21("3","6","6","4","2","3","2","1") = "5"
    & skf21("3","6","6","4","2","3","3","1") = "5"
    & skf21("3","6","6","4","2","3","4","1") = "5"
    & skf21("3","6","6","4","2","3","5","1") = "5"
    & skf21("3","6","6","4","2","3","6","1") = "5"
    & skf21("3","6","6","4","2","3","7","1") = "6"
    & skf21("3","6","6","4","2","4","1","1") = "5"
    & skf21("3","6","6","4","2","4","2","1") = "5"
    & skf21("3","6","6","4","2","4","3","1") = "5"
    & skf21("3","6","6","4","2","4","4","1") = "5"
    & skf21("3","6","6","4","2","4","5","1") = "5"
    & skf21("3","6","6","4","2","4","6","1") = "5"
    & skf21("3","6","6","4","2","4","7","1") = "6"
    & skf21("3","6","6","4","2","5","1","1") = "5"
    & skf21("3","6","6","4","2","5","2","1") = "5"
    & skf21("3","6","6","4","2","5","3","1") = "5"
    & skf21("3","6","6","4","2","5","4","1") = "5"
    & skf21("3","6","6","4","2","5","5","1") = "5"
    & skf21("3","6","6","4","2","5","6","1") = "5"
    & skf21("3","6","6","4","2","5","7","1") = "6"
    & skf21("3","6","6","4","2","6","1","1") = "5"
    & skf21("3","6","6","4","2","6","2","1") = "5"
    & skf21("3","6","6","4","2","6","3","1") = "5"
    & skf21("3","6","6","4","2","6","4","1") = "5"
    & skf21("3","6","6","4","2","6","5","1") = "5"
    & skf21("3","6","6","4","2","6","6","1") = "5"
    & skf21("3","6","6","4","2","6","7","1") = "6"
    & skf21("3","6","6","4","2","7","1","1") = "6"
    & skf21("3","6","6","4","2","7","2","1") = "6"
    & skf21("3","6","6","4","2","7","3","1") = "6"
    & skf21("3","6","6","4","2","7","4","1") = "6"
    & skf21("3","6","6","4","2","7","5","1") = "6"
    & skf21("3","6","6","4","2","7","6","1") = "6"
    & skf21("3","6","6","4","2","7","7","1") = "6"
    & skf21("3","6","6","4","3","1","1","1") = "5"
    & skf21("3","6","6","4","3","1","2","1") = "5"
    & skf21("3","6","6","4","3","1","3","1") = "5"
    & skf21("3","6","6","4","3","1","4","1") = "5"
    & skf21("3","6","6","4","3","1","5","1") = "5"
    & skf21("3","6","6","4","3","1","6","1") = "5"
    & skf21("3","6","6","4","3","1","7","1") = "6"
    & skf21("3","6","6","4","3","2","1","1") = "5"
    & skf21("3","6","6","4","3","2","2","1") = "5"
    & skf21("3","6","6","4","3","2","3","1") = "5"
    & skf21("3","6","6","4","3","2","4","1") = "5"
    & skf21("3","6","6","4","3","2","5","1") = "5"
    & skf21("3","6","6","4","3","2","6","1") = "5"
    & skf21("3","6","6","4","3","2","7","1") = "6"
    & skf21("3","6","6","4","3","3","1","1") = "5"
    & skf21("3","6","6","4","3","3","2","1") = "5"
    & skf21("3","6","6","4","3","3","3","1") = "5"
    & skf21("3","6","6","4","3","3","4","1") = "5"
    & skf21("3","6","6","4","3","3","5","1") = "5"
    & skf21("3","6","6","4","3","3","6","1") = "5"
    & skf21("3","6","6","4","3","3","7","1") = "6"
    & skf21("3","6","6","4","3","4","1","1") = "5"
    & skf21("3","6","6","4","3","4","2","1") = "5"
    & skf21("3","6","6","4","3","4","3","1") = "5"
    & skf21("3","6","6","4","3","4","4","1") = "5"
    & skf21("3","6","6","4","3","4","5","1") = "5"
    & skf21("3","6","6","4","3","4","6","1") = "5"
    & skf21("3","6","6","4","3","4","7","1") = "6"
    & skf21("3","6","6","4","3","5","1","1") = "5"
    & skf21("3","6","6","4","3","5","2","1") = "5"
    & skf21("3","6","6","4","3","5","3","1") = "5"
    & skf21("3","6","6","4","3","5","4","1") = "5"
    & skf21("3","6","6","4","3","5","5","1") = "5"
    & skf21("3","6","6","4","3","5","6","1") = "5"
    & skf21("3","6","6","4","3","5","7","1") = "6"
    & skf21("3","6","6","4","3","6","1","1") = "5"
    & skf21("3","6","6","4","3","6","2","1") = "5"
    & skf21("3","6","6","4","3","6","3","1") = "5"
    & skf21("3","6","6","4","3","6","4","1") = "5"
    & skf21("3","6","6","4","3","6","5","1") = "5"
    & skf21("3","6","6","4","3","6","6","1") = "5"
    & skf21("3","6","6","4","3","6","7","1") = "6"
    & skf21("3","6","6","4","3","7","1","1") = "6"
    & skf21("3","6","6","4","3","7","2","1") = "6"
    & skf21("3","6","6","4","3","7","3","1") = "6"
    & skf21("3","6","6","4","3","7","4","1") = "6"
    & skf21("3","6","6","4","3","7","5","1") = "6"
    & skf21("3","6","6","4","3","7","6","1") = "6"
    & skf21("3","6","6","4","3","7","7","1") = "6"
    & skf21("3","6","6","4","4","1","1","1") = "5"
    & skf21("3","6","6","4","4","1","2","1") = "5"
    & skf21("3","6","6","4","4","1","3","1") = "5"
    & skf21("3","6","6","4","4","1","4","1") = "5"
    & skf21("3","6","6","4","4","1","5","1") = "5"
    & skf21("3","6","6","4","4","1","6","1") = "5"
    & skf21("3","6","6","4","4","1","7","1") = "6"
    & skf21("3","6","6","4","4","2","1","1") = "5"
    & skf21("3","6","6","4","4","2","2","1") = "5"
    & skf21("3","6","6","4","4","2","3","1") = "5"
    & skf21("3","6","6","4","4","2","4","1") = "5"
    & skf21("3","6","6","4","4","2","5","1") = "5"
    & skf21("3","6","6","4","4","2","6","1") = "5"
    & skf21("3","6","6","4","4","2","7","1") = "6"
    & skf21("3","6","6","4","4","3","1","1") = "5"
    & skf21("3","6","6","4","4","3","2","1") = "5"
    & skf21("3","6","6","4","4","3","3","1") = "5"
    & skf21("3","6","6","4","4","3","4","1") = "5"
    & skf21("3","6","6","4","4","3","5","1") = "5"
    & skf21("3","6","6","4","4","3","6","1") = "5"
    & skf21("3","6","6","4","4","3","7","1") = "6"
    & skf21("3","6","6","4","4","4","1","1") = "5"
    & skf21("3","6","6","4","4","4","2","1") = "5"
    & skf21("3","6","6","4","4","4","3","1") = "5"
    & skf21("3","6","6","4","4","4","4","1") = "5"
    & skf21("3","6","6","4","4","4","5","1") = "5"
    & skf21("3","6","6","4","4","4","6","1") = "5"
    & skf21("3","6","6","4","4","4","7","1") = "6"
    & skf21("3","6","6","4","4","5","1","1") = "5"
    & skf21("3","6","6","4","4","5","2","1") = "5"
    & skf21("3","6","6","4","4","5","3","1") = "5"
    & skf21("3","6","6","4","4","5","4","1") = "5"
    & skf21("3","6","6","4","4","5","5","1") = "5"
    & skf21("3","6","6","4","4","5","6","1") = "5"
    & skf21("3","6","6","4","4","5","7","1") = "6"
    & skf21("3","6","6","4","4","6","1","1") = "5"
    & skf21("3","6","6","4","4","6","2","1") = "5"
    & skf21("3","6","6","4","4","6","3","1") = "5"
    & skf21("3","6","6","4","4","6","4","1") = "5"
    & skf21("3","6","6","4","4","6","5","1") = "5"
    & skf21("3","6","6","4","4","6","6","1") = "5"
    & skf21("3","6","6","4","4","6","7","1") = "6"
    & skf21("3","6","6","4","4","7","1","1") = "6"
    & skf21("3","6","6","4","4","7","2","1") = "6"
    & skf21("3","6","6","4","4","7","3","1") = "6"
    & skf21("3","6","6","4","4","7","4","1") = "6"
    & skf21("3","6","6","4","4","7","5","1") = "6"
    & skf21("3","6","6","4","4","7","6","1") = "6"
    & skf21("3","6","6","4","4","7","7","1") = "6"
    & skf21("3","6","6","4","5","1","1","1") = "5"
    & skf21("3","6","6","4","5","1","2","1") = "5"
    & skf21("3","6","6","4","5","1","3","1") = "5"
    & skf21("3","6","6","4","5","1","4","1") = "5"
    & skf21("3","6","6","4","5","1","5","1") = "5"
    & skf21("3","6","6","4","5","1","6","1") = "5"
    & skf21("3","6","6","4","5","1","7","1") = "6"
    & skf21("3","6","6","4","5","2","1","1") = "5"
    & skf21("3","6","6","4","5","2","2","1") = "5"
    & skf21("3","6","6","4","5","2","3","1") = "5"
    & skf21("3","6","6","4","5","2","4","1") = "5"
    & skf21("3","6","6","4","5","2","5","1") = "5"
    & skf21("3","6","6","4","5","2","6","1") = "5"
    & skf21("3","6","6","4","5","2","7","1") = "6"
    & skf21("3","6","6","4","5","3","1","1") = "5"
    & skf21("3","6","6","4","5","3","2","1") = "5"
    & skf21("3","6","6","4","5","3","3","1") = "5"
    & skf21("3","6","6","4","5","3","4","1") = "5"
    & skf21("3","6","6","4","5","3","5","1") = "5"
    & skf21("3","6","6","4","5","3","6","1") = "5"
    & skf21("3","6","6","4","5","3","7","1") = "6"
    & skf21("3","6","6","4","5","4","1","1") = "5"
    & skf21("3","6","6","4","5","4","2","1") = "5"
    & skf21("3","6","6","4","5","4","3","1") = "5"
    & skf21("3","6","6","4","5","4","4","1") = "5"
    & skf21("3","6","6","4","5","4","5","1") = "5"
    & skf21("3","6","6","4","5","4","6","1") = "5"
    & skf21("3","6","6","4","5","4","7","1") = "6"
    & skf21("3","6","6","4","5","5","1","1") = "5"
    & skf21("3","6","6","4","5","5","2","1") = "5"
    & skf21("3","6","6","4","5","5","3","1") = "5"
    & skf21("3","6","6","4","5","5","4","1") = "5"
    & skf21("3","6","6","4","5","5","5","1") = "5"
    & skf21("3","6","6","4","5","5","6","1") = "5"
    & skf21("3","6","6","4","5","5","7","1") = "6"
    & skf21("3","6","6","4","5","6","1","1") = "5"
    & skf21("3","6","6","4","5","6","2","1") = "5"
    & skf21("3","6","6","4","5","6","3","1") = "5"
    & skf21("3","6","6","4","5","6","4","1") = "5"
    & skf21("3","6","6","4","5","6","5","1") = "5"
    & skf21("3","6","6","4","5","6","6","1") = "5"
    & skf21("3","6","6","4","5","6","7","1") = "6"
    & skf21("3","6","6","4","5","7","1","1") = "6"
    & skf21("3","6","6","4","5","7","2","1") = "6"
    & skf21("3","6","6","4","5","7","3","1") = "6"
    & skf21("3","6","6","4","5","7","4","1") = "6"
    & skf21("3","6","6","4","5","7","5","1") = "6"
    & skf21("3","6","6","4","5","7","6","1") = "6"
    & skf21("3","6","6","4","5","7","7","1") = "6"
    & skf21("3","6","6","4","6","1","1","1") = "5"
    & skf21("3","6","6","4","6","1","2","1") = "5"
    & skf21("3","6","6","4","6","1","3","1") = "5"
    & skf21("3","6","6","4","6","1","4","1") = "5"
    & skf21("3","6","6","4","6","1","5","1") = "5"
    & skf21("3","6","6","4","6","1","6","1") = "5"
    & skf21("3","6","6","4","6","1","7","1") = "6"
    & skf21("3","6","6","4","6","2","1","1") = "5"
    & skf21("3","6","6","4","6","2","2","1") = "5"
    & skf21("3","6","6","4","6","2","3","1") = "5"
    & skf21("3","6","6","4","6","2","4","1") = "5"
    & skf21("3","6","6","4","6","2","5","1") = "5"
    & skf21("3","6","6","4","6","2","6","1") = "5"
    & skf21("3","6","6","4","6","2","7","1") = "6"
    & skf21("3","6","6","4","6","3","1","1") = "5"
    & skf21("3","6","6","4","6","3","2","1") = "5"
    & skf21("3","6","6","4","6","3","3","1") = "5"
    & skf21("3","6","6","4","6","3","4","1") = "5"
    & skf21("3","6","6","4","6","3","5","1") = "5"
    & skf21("3","6","6","4","6","3","6","1") = "5"
    & skf21("3","6","6","4","6","3","7","1") = "6"
    & skf21("3","6","6","4","6","4","1","1") = "5"
    & skf21("3","6","6","4","6","4","2","1") = "5"
    & skf21("3","6","6","4","6","4","3","1") = "5"
    & skf21("3","6","6","4","6","4","4","1") = "5"
    & skf21("3","6","6","4","6","4","5","1") = "5"
    & skf21("3","6","6","4","6","4","6","1") = "5"
    & skf21("3","6","6","4","6","4","7","1") = "6"
    & skf21("3","6","6","4","6","5","1","1") = "5"
    & skf21("3","6","6","4","6","5","2","1") = "5"
    & skf21("3","6","6","4","6","5","3","1") = "5"
    & skf21("3","6","6","4","6","5","4","1") = "5"
    & skf21("3","6","6","4","6","5","5","1") = "5"
    & skf21("3","6","6","4","6","5","6","1") = "5"
    & skf21("3","6","6","4","6","5","7","1") = "6"
    & skf21("3","6","6","4","6","6","1","1") = "5"
    & skf21("3","6","6","4","6","6","2","1") = "5"
    & skf21("3","6","6","4","6","6","3","1") = "5"
    & skf21("3","6","6","4","6","6","4","1") = "5"
    & skf21("3","6","6","4","6","6","5","1") = "5"
    & skf21("3","6","6","4","6","6","6","1") = "5"
    & skf21("3","6","6","4","6","6","7","1") = "6"
    & skf21("3","6","6","4","6","7","1","1") = "6"
    & skf21("3","6","6","4","6","7","2","1") = "6"
    & skf21("3","6","6","4","6","7","3","1") = "6"
    & skf21("3","6","6","4","6","7","4","1") = "6"
    & skf21("3","6","6","4","6","7","5","1") = "6"
    & skf21("3","6","6","4","6","7","6","1") = "6"
    & skf21("3","6","6","4","6","7","7","1") = "6"
    & skf21("3","6","6","4","7","1","1","1") = "6"
    & skf21("3","6","6","4","7","1","2","1") = "6"
    & skf21("3","6","6","4","7","1","3","1") = "6"
    & skf21("3","6","6","4","7","1","4","1") = "6"
    & skf21("3","6","6","4","7","1","5","1") = "6"
    & skf21("3","6","6","4","7","1","6","1") = "6"
    & skf21("3","6","6","4","7","1","7","1") = "6"
    & skf21("3","6","6","4","7","2","1","1") = "6"
    & skf21("3","6","6","4","7","2","2","1") = "6"
    & skf21("3","6","6","4","7","2","3","1") = "6"
    & skf21("3","6","6","4","7","2","4","1") = "6"
    & skf21("3","6","6","4","7","2","5","1") = "6"
    & skf21("3","6","6","4","7","2","6","1") = "6"
    & skf21("3","6","6","4","7","2","7","1") = "6"
    & skf21("3","6","6","4","7","3","1","1") = "6"
    & skf21("3","6","6","4","7","3","2","1") = "6"
    & skf21("3","6","6","4","7","3","3","1") = "6"
    & skf21("3","6","6","4","7","3","4","1") = "6"
    & skf21("3","6","6","4","7","3","5","1") = "6"
    & skf21("3","6","6","4","7","3","6","1") = "6"
    & skf21("3","6","6","4","7","3","7","1") = "6"
    & skf21("3","6","6","4","7","4","1","1") = "6"
    & skf21("3","6","6","4","7","4","2","1") = "6"
    & skf21("3","6","6","4","7","4","3","1") = "6"
    & skf21("3","6","6","4","7","4","4","1") = "6"
    & skf21("3","6","6","4","7","4","5","1") = "6"
    & skf21("3","6","6","4","7","4","6","1") = "6"
    & skf21("3","6","6","4","7","4","7","1") = "6"
    & skf21("3","6","6","4","7","5","1","1") = "6"
    & skf21("3","6","6","4","7","5","2","1") = "6"
    & skf21("3","6","6","4","7","5","3","1") = "6"
    & skf21("3","6","6","4","7","5","4","1") = "6"
    & skf21("3","6","6","4","7","5","5","1") = "6"
    & skf21("3","6","6","4","7","5","6","1") = "6"
    & skf21("3","6","6","4","7","5","7","1") = "6"
    & skf21("3","6","6","4","7","6","1","1") = "6"
    & skf21("3","6","6","4","7","6","2","1") = "6"
    & skf21("3","6","6","4","7","6","3","1") = "6"
    & skf21("3","6","6","4","7","6","4","1") = "6"
    & skf21("3","6","6","4","7","6","5","1") = "6"
    & skf21("3","6","6","4","7","6","6","1") = "6"
    & skf21("3","6","6","4","7","6","7","1") = "6"
    & skf21("3","6","6","4","7","7","1","1") = "6"
    & skf21("3","6","6","4","7","7","2","1") = "6"
    & skf21("3","6","6","4","7","7","3","1") = "6"
    & skf21("3","6","6","4","7","7","4","1") = "6"
    & skf21("3","6","6","4","7","7","5","1") = "6"
    & skf21("3","6","6","4","7","7","6","1") = "6"
    & skf21("3","6","6","4","7","7","7","1") = "6"
    & skf21("3","6","6","5","1","1","1","1") = "5"
    & skf21("3","6","6","5","1","1","2","1") = "5"
    & skf21("3","6","6","5","1","1","3","1") = "5"
    & skf21("3","6","6","5","1","1","4","1") = "5"
    & skf21("3","6","6","5","1","1","5","1") = "5"
    & skf21("3","6","6","5","1","1","6","1") = "5"
    & skf21("3","6","6","5","1","1","7","1") = "6"
    & skf21("3","6","6","5","1","2","1","1") = "5"
    & skf21("3","6","6","5","1","2","2","1") = "5"
    & skf21("3","6","6","5","1","2","3","1") = "5"
    & skf21("3","6","6","5","1","2","4","1") = "5"
    & skf21("3","6","6","5","1","2","5","1") = "5"
    & skf21("3","6","6","5","1","2","6","1") = "5"
    & skf21("3","6","6","5","1","2","7","1") = "6"
    & skf21("3","6","6","5","1","3","1","1") = "5"
    & skf21("3","6","6","5","1","3","2","1") = "5"
    & skf21("3","6","6","5","1","3","3","1") = "5"
    & skf21("3","6","6","5","1","3","4","1") = "5"
    & skf21("3","6","6","5","1","3","5","1") = "5"
    & skf21("3","6","6","5","1","3","6","1") = "5"
    & skf21("3","6","6","5","1","3","7","1") = "6"
    & skf21("3","6","6","5","1","4","1","1") = "5"
    & skf21("3","6","6","5","1","4","2","1") = "5"
    & skf21("3","6","6","5","1","4","3","1") = "5"
    & skf21("3","6","6","5","1","4","4","1") = "5"
    & skf21("3","6","6","5","1","4","5","1") = "5"
    & skf21("3","6","6","5","1","4","6","1") = "5"
    & skf21("3","6","6","5","1","4","7","1") = "6"
    & skf21("3","6","6","5","1","5","1","1") = "5"
    & skf21("3","6","6","5","1","5","2","1") = "5"
    & skf21("3","6","6","5","1","5","3","1") = "5"
    & skf21("3","6","6","5","1","5","4","1") = "5"
    & skf21("3","6","6","5","1","5","5","1") = "5"
    & skf21("3","6","6","5","1","5","6","1") = "5"
    & skf21("3","6","6","5","1","5","7","1") = "6"
    & skf21("3","6","6","5","1","6","1","1") = "5"
    & skf21("3","6","6","5","1","6","2","1") = "5"
    & skf21("3","6","6","5","1","6","3","1") = "5"
    & skf21("3","6","6","5","1","6","4","1") = "5"
    & skf21("3","6","6","5","1","6","5","1") = "5"
    & skf21("3","6","6","5","1","6","6","1") = "5"
    & skf21("3","6","6","5","1","6","7","1") = "6"
    & skf21("3","6","6","5","1","7","1","1") = "6"
    & skf21("3","6","6","5","1","7","2","1") = "6"
    & skf21("3","6","6","5","1","7","3","1") = "6"
    & skf21("3","6","6","5","1","7","4","1") = "6"
    & skf21("3","6","6","5","1","7","5","1") = "6"
    & skf21("3","6","6","5","1","7","6","1") = "6"
    & skf21("3","6","6","5","1","7","7","1") = "6"
    & skf21("3","6","6","5","2","1","1","1") = "5"
    & skf21("3","6","6","5","2","1","2","1") = "5"
    & skf21("3","6","6","5","2","1","3","1") = "5"
    & skf21("3","6","6","5","2","1","4","1") = "5"
    & skf21("3","6","6","5","2","1","5","1") = "5"
    & skf21("3","6","6","5","2","1","6","1") = "5"
    & skf21("3","6","6","5","2","1","7","1") = "6"
    & skf21("3","6","6","5","2","2","1","1") = "5"
    & skf21("3","6","6","5","2","2","2","1") = "5"
    & skf21("3","6","6","5","2","2","3","1") = "5"
    & skf21("3","6","6","5","2","2","4","1") = "5"
    & skf21("3","6","6","5","2","2","5","1") = "5"
    & skf21("3","6","6","5","2","2","6","1") = "5"
    & skf21("3","6","6","5","2","2","7","1") = "6"
    & skf21("3","6","6","5","2","3","1","1") = "5"
    & skf21("3","6","6","5","2","3","2","1") = "5"
    & skf21("3","6","6","5","2","3","3","1") = "5"
    & skf21("3","6","6","5","2","3","4","1") = "5"
    & skf21("3","6","6","5","2","3","5","1") = "5"
    & skf21("3","6","6","5","2","3","6","1") = "5"
    & skf21("3","6","6","5","2","3","7","1") = "6"
    & skf21("3","6","6","5","2","4","1","1") = "5"
    & skf21("3","6","6","5","2","4","2","1") = "5"
    & skf21("3","6","6","5","2","4","3","1") = "5"
    & skf21("3","6","6","5","2","4","4","1") = "5"
    & skf21("3","6","6","5","2","4","5","1") = "5"
    & skf21("3","6","6","5","2","4","6","1") = "5"
    & skf21("3","6","6","5","2","4","7","1") = "6"
    & skf21("3","6","6","5","2","5","1","1") = "5"
    & skf21("3","6","6","5","2","5","2","1") = "5"
    & skf21("3","6","6","5","2","5","3","1") = "5"
    & skf21("3","6","6","5","2","5","4","1") = "5"
    & skf21("3","6","6","5","2","5","5","1") = "5"
    & skf21("3","6","6","5","2","5","6","1") = "5"
    & skf21("3","6","6","5","2","5","7","1") = "6"
    & skf21("3","6","6","5","2","6","1","1") = "5"
    & skf21("3","6","6","5","2","6","2","1") = "5"
    & skf21("3","6","6","5","2","6","3","1") = "5"
    & skf21("3","6","6","5","2","6","4","1") = "5"
    & skf21("3","6","6","5","2","6","5","1") = "5"
    & skf21("3","6","6","5","2","6","6","1") = "5"
    & skf21("3","6","6","5","2","6","7","1") = "6"
    & skf21("3","6","6","5","2","7","1","1") = "6"
    & skf21("3","6","6","5","2","7","2","1") = "6"
    & skf21("3","6","6","5","2","7","3","1") = "6"
    & skf21("3","6","6","5","2","7","4","1") = "6"
    & skf21("3","6","6","5","2","7","5","1") = "6"
    & skf21("3","6","6","5","2","7","6","1") = "6"
    & skf21("3","6","6","5","2","7","7","1") = "6"
    & skf21("3","6","6","5","3","1","1","1") = "5"
    & skf21("3","6","6","5","3","1","2","1") = "5"
    & skf21("3","6","6","5","3","1","3","1") = "5"
    & skf21("3","6","6","5","3","1","4","1") = "5"
    & skf21("3","6","6","5","3","1","5","1") = "5"
    & skf21("3","6","6","5","3","1","6","1") = "5"
    & skf21("3","6","6","5","3","1","7","1") = "6"
    & skf21("3","6","6","5","3","2","1","1") = "5"
    & skf21("3","6","6","5","3","2","2","1") = "5"
    & skf21("3","6","6","5","3","2","3","1") = "5"
    & skf21("3","6","6","5","3","2","4","1") = "5"
    & skf21("3","6","6","5","3","2","5","1") = "5"
    & skf21("3","6","6","5","3","2","6","1") = "5"
    & skf21("3","6","6","5","3","2","7","1") = "6"
    & skf21("3","6","6","5","3","3","1","1") = "5"
    & skf21("3","6","6","5","3","3","2","1") = "5"
    & skf21("3","6","6","5","3","3","3","1") = "5"
    & skf21("3","6","6","5","3","3","4","1") = "5"
    & skf21("3","6","6","5","3","3","5","1") = "5"
    & skf21("3","6","6","5","3","3","6","1") = "5"
    & skf21("3","6","6","5","3","3","7","1") = "6"
    & skf21("3","6","6","5","3","4","1","1") = "5"
    & skf21("3","6","6","5","3","4","2","1") = "5"
    & skf21("3","6","6","5","3","4","3","1") = "5"
    & skf21("3","6","6","5","3","4","4","1") = "5"
    & skf21("3","6","6","5","3","4","5","1") = "5"
    & skf21("3","6","6","5","3","4","6","1") = "5"
    & skf21("3","6","6","5","3","4","7","1") = "6"
    & skf21("3","6","6","5","3","5","1","1") = "5"
    & skf21("3","6","6","5","3","5","2","1") = "5"
    & skf21("3","6","6","5","3","5","3","1") = "5"
    & skf21("3","6","6","5","3","5","4","1") = "5"
    & skf21("3","6","6","5","3","5","5","1") = "5"
    & skf21("3","6","6","5","3","5","6","1") = "5"
    & skf21("3","6","6","5","3","5","7","1") = "6"
    & skf21("3","6","6","5","3","6","1","1") = "5"
    & skf21("3","6","6","5","3","6","2","1") = "5"
    & skf21("3","6","6","5","3","6","3","1") = "5"
    & skf21("3","6","6","5","3","6","4","1") = "5"
    & skf21("3","6","6","5","3","6","5","1") = "5"
    & skf21("3","6","6","5","3","6","6","1") = "5"
    & skf21("3","6","6","5","3","6","7","1") = "6"
    & skf21("3","6","6","5","3","7","1","1") = "6"
    & skf21("3","6","6","5","3","7","2","1") = "6"
    & skf21("3","6","6","5","3","7","3","1") = "6"
    & skf21("3","6","6","5","3","7","4","1") = "6"
    & skf21("3","6","6","5","3","7","5","1") = "6"
    & skf21("3","6","6","5","3","7","6","1") = "6"
    & skf21("3","6","6","5","3","7","7","1") = "6"
    & skf21("3","6","6","5","4","1","1","1") = "5"
    & skf21("3","6","6","5","4","1","2","1") = "5"
    & skf21("3","6","6","5","4","1","3","1") = "5"
    & skf21("3","6","6","5","4","1","4","1") = "5"
    & skf21("3","6","6","5","4","1","5","1") = "5"
    & skf21("3","6","6","5","4","1","6","1") = "5"
    & skf21("3","6","6","5","4","1","7","1") = "6"
    & skf21("3","6","6","5","4","2","1","1") = "5"
    & skf21("3","6","6","5","4","2","2","1") = "5"
    & skf21("3","6","6","5","4","2","3","1") = "5"
    & skf21("3","6","6","5","4","2","4","1") = "5"
    & skf21("3","6","6","5","4","2","5","1") = "5"
    & skf21("3","6","6","5","4","2","6","1") = "5"
    & skf21("3","6","6","5","4","2","7","1") = "6"
    & skf21("3","6","6","5","4","3","1","1") = "5"
    & skf21("3","6","6","5","4","3","2","1") = "5"
    & skf21("3","6","6","5","4","3","3","1") = "5"
    & skf21("3","6","6","5","4","3","4","1") = "5"
    & skf21("3","6","6","5","4","3","5","1") = "5"
    & skf21("3","6","6","5","4","3","6","1") = "5"
    & skf21("3","6","6","5","4","3","7","1") = "6"
    & skf21("3","6","6","5","4","4","1","1") = "5"
    & skf21("3","6","6","5","4","4","2","1") = "5"
    & skf21("3","6","6","5","4","4","3","1") = "5"
    & skf21("3","6","6","5","4","4","4","1") = "5"
    & skf21("3","6","6","5","4","4","5","1") = "5"
    & skf21("3","6","6","5","4","4","6","1") = "5"
    & skf21("3","6","6","5","4","4","7","1") = "6"
    & skf21("3","6","6","5","4","5","1","1") = "5"
    & skf21("3","6","6","5","4","5","2","1") = "5"
    & skf21("3","6","6","5","4","5","3","1") = "5"
    & skf21("3","6","6","5","4","5","4","1") = "5"
    & skf21("3","6","6","5","4","5","5","1") = "5"
    & skf21("3","6","6","5","4","5","6","1") = "5"
    & skf21("3","6","6","5","4","5","7","1") = "6"
    & skf21("3","6","6","5","4","6","1","1") = "5"
    & skf21("3","6","6","5","4","6","2","1") = "5"
    & skf21("3","6","6","5","4","6","3","1") = "5"
    & skf21("3","6","6","5","4","6","4","1") = "5"
    & skf21("3","6","6","5","4","6","5","1") = "5"
    & skf21("3","6","6","5","4","6","6","1") = "5"
    & skf21("3","6","6","5","4","6","7","1") = "6"
    & skf21("3","6","6","5","4","7","1","1") = "6"
    & skf21("3","6","6","5","4","7","2","1") = "6"
    & skf21("3","6","6","5","4","7","3","1") = "6"
    & skf21("3","6","6","5","4","7","4","1") = "6"
    & skf21("3","6","6","5","4","7","5","1") = "6"
    & skf21("3","6","6","5","4","7","6","1") = "6"
    & skf21("3","6","6","5","4","7","7","1") = "6"
    & skf21("3","6","6","5","5","1","1","1") = "5"
    & skf21("3","6","6","5","5","1","2","1") = "5"
    & skf21("3","6","6","5","5","1","3","1") = "5"
    & skf21("3","6","6","5","5","1","4","1") = "5"
    & skf21("3","6","6","5","5","1","5","1") = "5"
    & skf21("3","6","6","5","5","1","6","1") = "5"
    & skf21("3","6","6","5","5","1","7","1") = "6"
    & skf21("3","6","6","5","5","2","1","1") = "5"
    & skf21("3","6","6","5","5","2","2","1") = "5"
    & skf21("3","6","6","5","5","2","3","1") = "5"
    & skf21("3","6","6","5","5","2","4","1") = "5"
    & skf21("3","6","6","5","5","2","5","1") = "5"
    & skf21("3","6","6","5","5","2","6","1") = "5"
    & skf21("3","6","6","5","5","2","7","1") = "6"
    & skf21("3","6","6","5","5","3","1","1") = "5"
    & skf21("3","6","6","5","5","3","2","1") = "5"
    & skf21("3","6","6","5","5","3","3","1") = "5"
    & skf21("3","6","6","5","5","3","4","1") = "5"
    & skf21("3","6","6","5","5","3","5","1") = "5"
    & skf21("3","6","6","5","5","3","6","1") = "5"
    & skf21("3","6","6","5","5","3","7","1") = "6"
    & skf21("3","6","6","5","5","4","1","1") = "5"
    & skf21("3","6","6","5","5","4","2","1") = "5"
    & skf21("3","6","6","5","5","4","3","1") = "5"
    & skf21("3","6","6","5","5","4","4","1") = "5"
    & skf21("3","6","6","5","5","4","5","1") = "5"
    & skf21("3","6","6","5","5","4","6","1") = "5"
    & skf21("3","6","6","5","5","4","7","1") = "6"
    & skf21("3","6","6","5","5","5","1","1") = "5"
    & skf21("3","6","6","5","5","5","2","1") = "5"
    & skf21("3","6","6","5","5","5","3","1") = "5"
    & skf21("3","6","6","5","5","5","4","1") = "5"
    & skf21("3","6","6","5","5","5","5","1") = "5"
    & skf21("3","6","6","5","5","5","6","1") = "5"
    & skf21("3","6","6","5","5","5","7","1") = "6"
    & skf21("3","6","6","5","5","6","1","1") = "5"
    & skf21("3","6","6","5","5","6","2","1") = "5"
    & skf21("3","6","6","5","5","6","3","1") = "5"
    & skf21("3","6","6","5","5","6","4","1") = "5"
    & skf21("3","6","6","5","5","6","5","1") = "5"
    & skf21("3","6","6","5","5","6","6","1") = "5"
    & skf21("3","6","6","5","5","6","7","1") = "6"
    & skf21("3","6","6","5","5","7","1","1") = "6"
    & skf21("3","6","6","5","5","7","2","1") = "6"
    & skf21("3","6","6","5","5","7","3","1") = "6"
    & skf21("3","6","6","5","5","7","4","1") = "6"
    & skf21("3","6","6","5","5","7","5","1") = "6"
    & skf21("3","6","6","5","5","7","6","1") = "6"
    & skf21("3","6","6","5","5","7","7","1") = "6"
    & skf21("3","6","6","5","6","1","1","1") = "5"
    & skf21("3","6","6","5","6","1","2","1") = "5"
    & skf21("3","6","6","5","6","1","3","1") = "5"
    & skf21("3","6","6","5","6","1","4","1") = "5"
    & skf21("3","6","6","5","6","1","5","1") = "5"
    & skf21("3","6","6","5","6","1","6","1") = "5"
    & skf21("3","6","6","5","6","1","7","1") = "6"
    & skf21("3","6","6","5","6","2","1","1") = "5"
    & skf21("3","6","6","5","6","2","2","1") = "5"
    & skf21("3","6","6","5","6","2","3","1") = "5"
    & skf21("3","6","6","5","6","2","4","1") = "5"
    & skf21("3","6","6","5","6","2","5","1") = "5"
    & skf21("3","6","6","5","6","2","6","1") = "5"
    & skf21("3","6","6","5","6","2","7","1") = "6"
    & skf21("3","6","6","5","6","3","1","1") = "5"
    & skf21("3","6","6","5","6","3","2","1") = "5"
    & skf21("3","6","6","5","6","3","3","1") = "5"
    & skf21("3","6","6","5","6","3","4","1") = "5"
    & skf21("3","6","6","5","6","3","5","1") = "5"
    & skf21("3","6","6","5","6","3","6","1") = "5"
    & skf21("3","6","6","5","6","3","7","1") = "6"
    & skf21("3","6","6","5","6","4","1","1") = "5"
    & skf21("3","6","6","5","6","4","2","1") = "5"
    & skf21("3","6","6","5","6","4","3","1") = "5"
    & skf21("3","6","6","5","6","4","4","1") = "5"
    & skf21("3","6","6","5","6","4","5","1") = "5"
    & skf21("3","6","6","5","6","4","6","1") = "5"
    & skf21("3","6","6","5","6","4","7","1") = "6"
    & skf21("3","6","6","5","6","5","1","1") = "5"
    & skf21("3","6","6","5","6","5","2","1") = "5"
    & skf21("3","6","6","5","6","5","3","1") = "5"
    & skf21("3","6","6","5","6","5","4","1") = "5"
    & skf21("3","6","6","5","6","5","5","1") = "5"
    & skf21("3","6","6","5","6","5","6","1") = "5"
    & skf21("3","6","6","5","6","5","7","1") = "6"
    & skf21("3","6","6","5","6","6","1","1") = "5"
    & skf21("3","6","6","5","6","6","2","1") = "5"
    & skf21("3","6","6","5","6","6","3","1") = "5"
    & skf21("3","6","6","5","6","6","4","1") = "5"
    & skf21("3","6","6","5","6","6","5","1") = "5"
    & skf21("3","6","6","5","6","6","6","1") = "5"
    & skf21("3","6","6","5","6","6","7","1") = "6"
    & skf21("3","6","6","5","6","7","1","1") = "6"
    & skf21("3","6","6","5","6","7","2","1") = "6"
    & skf21("3","6","6","5","6","7","3","1") = "6"
    & skf21("3","6","6","5","6","7","4","1") = "6"
    & skf21("3","6","6","5","6","7","5","1") = "6"
    & skf21("3","6","6","5","6","7","6","1") = "6"
    & skf21("3","6","6","5","6","7","7","1") = "6"
    & skf21("3","6","6","5","7","1","1","1") = "6"
    & skf21("3","6","6","5","7","1","2","1") = "6"
    & skf21("3","6","6","5","7","1","3","1") = "6"
    & skf21("3","6","6","5","7","1","4","1") = "6"
    & skf21("3","6","6","5","7","1","5","1") = "6"
    & skf21("3","6","6","5","7","1","6","1") = "6"
    & skf21("3","6","6","5","7","1","7","1") = "6"
    & skf21("3","6","6","5","7","2","1","1") = "6"
    & skf21("3","6","6","5","7","2","2","1") = "6"
    & skf21("3","6","6","5","7","2","3","1") = "6"
    & skf21("3","6","6","5","7","2","4","1") = "6"
    & skf21("3","6","6","5","7","2","5","1") = "6"
    & skf21("3","6","6","5","7","2","6","1") = "6"
    & skf21("3","6","6","5","7","2","7","1") = "6"
    & skf21("3","6","6","5","7","3","1","1") = "6"
    & skf21("3","6","6","5","7","3","2","1") = "6"
    & skf21("3","6","6","5","7","3","3","1") = "6"
    & skf21("3","6","6","5","7","3","4","1") = "6"
    & skf21("3","6","6","5","7","3","5","1") = "6"
    & skf21("3","6","6","5","7","3","6","1") = "6"
    & skf21("3","6","6","5","7","3","7","1") = "6"
    & skf21("3","6","6","5","7","4","1","1") = "6"
    & skf21("3","6","6","5","7","4","2","1") = "6"
    & skf21("3","6","6","5","7","4","3","1") = "6"
    & skf21("3","6","6","5","7","4","4","1") = "6"
    & skf21("3","6","6","5","7","4","5","1") = "6"
    & skf21("3","6","6","5","7","4","6","1") = "6"
    & skf21("3","6","6","5","7","4","7","1") = "6"
    & skf21("3","6","6","5","7","5","1","1") = "6"
    & skf21("3","6","6","5","7","5","2","1") = "6"
    & skf21("3","6","6","5","7","5","3","1") = "6"
    & skf21("3","6","6","5","7","5","4","1") = "6"
    & skf21("3","6","6","5","7","5","5","1") = "6"
    & skf21("3","6","6","5","7","5","6","1") = "6"
    & skf21("3","6","6","5","7","5","7","1") = "6"
    & skf21("3","6","6","5","7","6","1","1") = "6"
    & skf21("3","6","6","5","7","6","2","1") = "6"
    & skf21("3","6","6","5","7","6","3","1") = "6"
    & skf21("3","6","6","5","7","6","4","1") = "6"
    & skf21("3","6","6","5","7","6","5","1") = "6"
    & skf21("3","6","6","5","7","6","6","1") = "6"
    & skf21("3","6","6","5","7","6","7","1") = "6"
    & skf21("3","6","6","5","7","7","1","1") = "6"
    & skf21("3","6","6","5","7","7","2","1") = "6"
    & skf21("3","6","6","5","7","7","3","1") = "6"
    & skf21("3","6","6","5","7","7","4","1") = "6"
    & skf21("3","6","6","5","7","7","5","1") = "6"
    & skf21("3","6","6","5","7","7","6","1") = "6"
    & skf21("3","6","6","5","7","7","7","1") = "6"
    & skf21("3","6","6","6","1","1","1","1") = "5"
    & skf21("3","6","6","6","1","1","2","1") = "5"
    & skf21("3","6","6","6","1","1","3","1") = "5"
    & skf21("3","6","6","6","1","1","4","1") = "5"
    & skf21("3","6","6","6","1","1","5","1") = "5"
    & skf21("3","6","6","6","1","1","6","1") = "5"
    & skf21("3","6","6","6","1","1","7","1") = "6"
    & skf21("3","6","6","6","1","2","1","1") = "5"
    & skf21("3","6","6","6","1","2","2","1") = "5"
    & skf21("3","6","6","6","1","2","3","1") = "5"
    & skf21("3","6","6","6","1","2","4","1") = "5"
    & skf21("3","6","6","6","1","2","5","1") = "5"
    & skf21("3","6","6","6","1","2","6","1") = "5"
    & skf21("3","6","6","6","1","2","7","1") = "6"
    & skf21("3","6","6","6","1","3","1","1") = "5"
    & skf21("3","6","6","6","1","3","2","1") = "5"
    & skf21("3","6","6","6","1","3","3","1") = "5"
    & skf21("3","6","6","6","1","3","4","1") = "5"
    & skf21("3","6","6","6","1","3","5","1") = "5"
    & skf21("3","6","6","6","1","3","6","1") = "5"
    & skf21("3","6","6","6","1","3","7","1") = "6"
    & skf21("3","6","6","6","1","4","1","1") = "5"
    & skf21("3","6","6","6","1","4","2","1") = "5"
    & skf21("3","6","6","6","1","4","3","1") = "5"
    & skf21("3","6","6","6","1","4","4","1") = "5"
    & skf21("3","6","6","6","1","4","5","1") = "5"
    & skf21("3","6","6","6","1","4","6","1") = "5"
    & skf21("3","6","6","6","1","4","7","1") = "6"
    & skf21("3","6","6","6","1","5","1","1") = "5"
    & skf21("3","6","6","6","1","5","2","1") = "5"
    & skf21("3","6","6","6","1","5","3","1") = "5"
    & skf21("3","6","6","6","1","5","4","1") = "5"
    & skf21("3","6","6","6","1","5","5","1") = "5"
    & skf21("3","6","6","6","1","5","6","1") = "5"
    & skf21("3","6","6","6","1","5","7","1") = "6"
    & skf21("3","6","6","6","1","6","1","1") = "5"
    & skf21("3","6","6","6","1","6","2","1") = "5"
    & skf21("3","6","6","6","1","6","3","1") = "5"
    & skf21("3","6","6","6","1","6","4","1") = "5"
    & skf21("3","6","6","6","1","6","5","1") = "5"
    & skf21("3","6","6","6","1","6","6","1") = "5"
    & skf21("3","6","6","6","1","6","7","1") = "6"
    & skf21("3","6","6","6","1","7","1","1") = "6"
    & skf21("3","6","6","6","1","7","2","1") = "6"
    & skf21("3","6","6","6","1","7","3","1") = "6"
    & skf21("3","6","6","6","1","7","4","1") = "6"
    & skf21("3","6","6","6","1","7","5","1") = "6"
    & skf21("3","6","6","6","1","7","6","1") = "6"
    & skf21("3","6","6","6","1","7","7","1") = "6"
    & skf21("3","6","6","6","2","1","1","1") = "5"
    & skf21("3","6","6","6","2","1","2","1") = "5"
    & skf21("3","6","6","6","2","1","3","1") = "5"
    & skf21("3","6","6","6","2","1","4","1") = "5"
    & skf21("3","6","6","6","2","1","5","1") = "5"
    & skf21("3","6","6","6","2","1","6","1") = "5"
    & skf21("3","6","6","6","2","1","7","1") = "6"
    & skf21("3","6","6","6","2","2","1","1") = "5"
    & skf21("3","6","6","6","2","2","2","1") = "5"
    & skf21("3","6","6","6","2","2","3","1") = "5"
    & skf21("3","6","6","6","2","2","4","1") = "5"
    & skf21("3","6","6","6","2","2","5","1") = "5"
    & skf21("3","6","6","6","2","2","6","1") = "5"
    & skf21("3","6","6","6","2","2","7","1") = "6"
    & skf21("3","6","6","6","2","3","1","1") = "5"
    & skf21("3","6","6","6","2","3","2","1") = "5"
    & skf21("3","6","6","6","2","3","3","1") = "5"
    & skf21("3","6","6","6","2","3","4","1") = "5"
    & skf21("3","6","6","6","2","3","5","1") = "5"
    & skf21("3","6","6","6","2","3","6","1") = "5"
    & skf21("3","6","6","6","2","3","7","1") = "6"
    & skf21("3","6","6","6","2","4","1","1") = "5"
    & skf21("3","6","6","6","2","4","2","1") = "5"
    & skf21("3","6","6","6","2","4","3","1") = "5"
    & skf21("3","6","6","6","2","4","4","1") = "5"
    & skf21("3","6","6","6","2","4","5","1") = "5"
    & skf21("3","6","6","6","2","4","6","1") = "5"
    & skf21("3","6","6","6","2","4","7","1") = "6"
    & skf21("3","6","6","6","2","5","1","1") = "5"
    & skf21("3","6","6","6","2","5","2","1") = "5"
    & skf21("3","6","6","6","2","5","3","1") = "5"
    & skf21("3","6","6","6","2","5","4","1") = "5"
    & skf21("3","6","6","6","2","5","5","1") = "5"
    & skf21("3","6","6","6","2","5","6","1") = "5"
    & skf21("3","6","6","6","2","5","7","1") = "6"
    & skf21("3","6","6","6","2","6","1","1") = "5"
    & skf21("3","6","6","6","2","6","2","1") = "5"
    & skf21("3","6","6","6","2","6","3","1") = "5"
    & skf21("3","6","6","6","2","6","4","1") = "5"
    & skf21("3","6","6","6","2","6","5","1") = "5"
    & skf21("3","6","6","6","2","6","6","1") = "5"
    & skf21("3","6","6","6","2","6","7","1") = "6"
    & skf21("3","6","6","6","2","7","1","1") = "6"
    & skf21("3","6","6","6","2","7","2","1") = "6"
    & skf21("3","6","6","6","2","7","3","1") = "6"
    & skf21("3","6","6","6","2","7","4","1") = "6"
    & skf21("3","6","6","6","2","7","5","1") = "6"
    & skf21("3","6","6","6","2","7","6","1") = "6"
    & skf21("3","6","6","6","2","7","7","1") = "6"
    & skf21("3","6","6","6","3","1","1","1") = "5"
    & skf21("3","6","6","6","3","1","2","1") = "5"
    & skf21("3","6","6","6","3","1","3","1") = "5"
    & skf21("3","6","6","6","3","1","4","1") = "5"
    & skf21("3","6","6","6","3","1","5","1") = "5"
    & skf21("3","6","6","6","3","1","6","1") = "5"
    & skf21("3","6","6","6","3","1","7","1") = "6"
    & skf21("3","6","6","6","3","2","1","1") = "5"
    & skf21("3","6","6","6","3","2","2","1") = "5"
    & skf21("3","6","6","6","3","2","3","1") = "5"
    & skf21("3","6","6","6","3","2","4","1") = "5"
    & skf21("3","6","6","6","3","2","5","1") = "5"
    & skf21("3","6","6","6","3","2","6","1") = "5"
    & skf21("3","6","6","6","3","2","7","1") = "6"
    & skf21("3","6","6","6","3","3","1","1") = "5"
    & skf21("3","6","6","6","3","3","2","1") = "5"
    & skf21("3","6","6","6","3","3","3","1") = "5"
    & skf21("3","6","6","6","3","3","4","1") = "5"
    & skf21("3","6","6","6","3","3","5","1") = "5"
    & skf21("3","6","6","6","3","3","6","1") = "5"
    & skf21("3","6","6","6","3","3","7","1") = "6"
    & skf21("3","6","6","6","3","4","1","1") = "5"
    & skf21("3","6","6","6","3","4","2","1") = "5"
    & skf21("3","6","6","6","3","4","3","1") = "5"
    & skf21("3","6","6","6","3","4","4","1") = "5"
    & skf21("3","6","6","6","3","4","5","1") = "5"
    & skf21("3","6","6","6","3","4","6","1") = "5"
    & skf21("3","6","6","6","3","4","7","1") = "6"
    & skf21("3","6","6","6","3","5","1","1") = "5"
    & skf21("3","6","6","6","3","5","2","1") = "5"
    & skf21("3","6","6","6","3","5","3","1") = "5"
    & skf21("3","6","6","6","3","5","4","1") = "5"
    & skf21("3","6","6","6","3","5","5","1") = "5"
    & skf21("3","6","6","6","3","5","6","1") = "5"
    & skf21("3","6","6","6","3","5","7","1") = "6"
    & skf21("3","6","6","6","3","6","1","1") = "5"
    & skf21("3","6","6","6","3","6","2","1") = "5"
    & skf21("3","6","6","6","3","6","3","1") = "5"
    & skf21("3","6","6","6","3","6","4","1") = "5"
    & skf21("3","6","6","6","3","6","5","1") = "5"
    & skf21("3","6","6","6","3","6","6","1") = "5"
    & skf21("3","6","6","6","3","6","7","1") = "6"
    & skf21("3","6","6","6","3","7","1","1") = "6"
    & skf21("3","6","6","6","3","7","2","1") = "6"
    & skf21("3","6","6","6","3","7","3","1") = "6"
    & skf21("3","6","6","6","3","7","4","1") = "6"
    & skf21("3","6","6","6","3","7","5","1") = "6"
    & skf21("3","6","6","6","3","7","6","1") = "6"
    & skf21("3","6","6","6","3","7","7","1") = "6"
    & skf21("3","6","6","6","4","1","1","1") = "5"
    & skf21("3","6","6","6","4","1","2","1") = "5"
    & skf21("3","6","6","6","4","1","3","1") = "5"
    & skf21("3","6","6","6","4","1","4","1") = "5"
    & skf21("3","6","6","6","4","1","5","1") = "5"
    & skf21("3","6","6","6","4","1","6","1") = "5"
    & skf21("3","6","6","6","4","1","7","1") = "6"
    & skf21("3","6","6","6","4","2","1","1") = "5"
    & skf21("3","6","6","6","4","2","2","1") = "5"
    & skf21("3","6","6","6","4","2","3","1") = "5"
    & skf21("3","6","6","6","4","2","4","1") = "5"
    & skf21("3","6","6","6","4","2","5","1") = "5"
    & skf21("3","6","6","6","4","2","6","1") = "5"
    & skf21("3","6","6","6","4","2","7","1") = "6"
    & skf21("3","6","6","6","4","3","1","1") = "5"
    & skf21("3","6","6","6","4","3","2","1") = "5"
    & skf21("3","6","6","6","4","3","3","1") = "5"
    & skf21("3","6","6","6","4","3","4","1") = "5"
    & skf21("3","6","6","6","4","3","5","1") = "5"
    & skf21("3","6","6","6","4","3","6","1") = "5"
    & skf21("3","6","6","6","4","3","7","1") = "6"
    & skf21("3","6","6","6","4","4","1","1") = "5"
    & skf21("3","6","6","6","4","4","2","1") = "5"
    & skf21("3","6","6","6","4","4","3","1") = "5"
    & skf21("3","6","6","6","4","4","4","1") = "5"
    & skf21("3","6","6","6","4","4","5","1") = "5"
    & skf21("3","6","6","6","4","4","6","1") = "5"
    & skf21("3","6","6","6","4","4","7","1") = "6"
    & skf21("3","6","6","6","4","5","1","1") = "5"
    & skf21("3","6","6","6","4","5","2","1") = "5"
    & skf21("3","6","6","6","4","5","3","1") = "5"
    & skf21("3","6","6","6","4","5","4","1") = "5"
    & skf21("3","6","6","6","4","5","5","1") = "5"
    & skf21("3","6","6","6","4","5","6","1") = "5"
    & skf21("3","6","6","6","4","5","7","1") = "6"
    & skf21("3","6","6","6","4","6","1","1") = "5"
    & skf21("3","6","6","6","4","6","2","1") = "5"
    & skf21("3","6","6","6","4","6","3","1") = "5"
    & skf21("3","6","6","6","4","6","4","1") = "5"
    & skf21("3","6","6","6","4","6","5","1") = "5"
    & skf21("3","6","6","6","4","6","6","1") = "5"
    & skf21("3","6","6","6","4","6","7","1") = "6"
    & skf21("3","6","6","6","4","7","1","1") = "6"
    & skf21("3","6","6","6","4","7","2","1") = "6"
    & skf21("3","6","6","6","4","7","3","1") = "6"
    & skf21("3","6","6","6","4","7","4","1") = "6"
    & skf21("3","6","6","6","4","7","5","1") = "6"
    & skf21("3","6","6","6","4","7","6","1") = "6"
    & skf21("3","6","6","6","4","7","7","1") = "6"
    & skf21("3","6","6","6","5","1","1","1") = "5"
    & skf21("3","6","6","6","5","1","2","1") = "5"
    & skf21("3","6","6","6","5","1","3","1") = "5"
    & skf21("3","6","6","6","5","1","4","1") = "5"
    & skf21("3","6","6","6","5","1","5","1") = "5"
    & skf21("3","6","6","6","5","1","6","1") = "5"
    & skf21("3","6","6","6","5","1","7","1") = "6"
    & skf21("3","6","6","6","5","2","1","1") = "5"
    & skf21("3","6","6","6","5","2","2","1") = "5"
    & skf21("3","6","6","6","5","2","3","1") = "5"
    & skf21("3","6","6","6","5","2","4","1") = "5"
    & skf21("3","6","6","6","5","2","5","1") = "5"
    & skf21("3","6","6","6","5","2","6","1") = "5"
    & skf21("3","6","6","6","5","2","7","1") = "6"
    & skf21("3","6","6","6","5","3","1","1") = "5"
    & skf21("3","6","6","6","5","3","2","1") = "5"
    & skf21("3","6","6","6","5","3","3","1") = "5"
    & skf21("3","6","6","6","5","3","4","1") = "5"
    & skf21("3","6","6","6","5","3","5","1") = "5"
    & skf21("3","6","6","6","5","3","6","1") = "5"
    & skf21("3","6","6","6","5","3","7","1") = "6"
    & skf21("3","6","6","6","5","4","1","1") = "5"
    & skf21("3","6","6","6","5","4","2","1") = "5"
    & skf21("3","6","6","6","5","4","3","1") = "5"
    & skf21("3","6","6","6","5","4","4","1") = "5"
    & skf21("3","6","6","6","5","4","5","1") = "5"
    & skf21("3","6","6","6","5","4","6","1") = "5"
    & skf21("3","6","6","6","5","4","7","1") = "6"
    & skf21("3","6","6","6","5","5","1","1") = "5"
    & skf21("3","6","6","6","5","5","2","1") = "5"
    & skf21("3","6","6","6","5","5","3","1") = "5"
    & skf21("3","6","6","6","5","5","4","1") = "5"
    & skf21("3","6","6","6","5","5","5","1") = "5"
    & skf21("3","6","6","6","5","5","6","1") = "5"
    & skf21("3","6","6","6","5","5","7","1") = "6"
    & skf21("3","6","6","6","5","6","1","1") = "5"
    & skf21("3","6","6","6","5","6","2","1") = "5"
    & skf21("3","6","6","6","5","6","3","1") = "5"
    & skf21("3","6","6","6","5","6","4","1") = "5"
    & skf21("3","6","6","6","5","6","5","1") = "5"
    & skf21("3","6","6","6","5","6","6","1") = "5"
    & skf21("3","6","6","6","5","6","7","1") = "6"
    & skf21("3","6","6","6","5","7","1","1") = "6"
    & skf21("3","6","6","6","5","7","2","1") = "6"
    & skf21("3","6","6","6","5","7","3","1") = "6"
    & skf21("3","6","6","6","5","7","4","1") = "6"
    & skf21("3","6","6","6","5","7","5","1") = "6"
    & skf21("3","6","6","6","5","7","6","1") = "6"
    & skf21("3","6","6","6","5","7","7","1") = "6"
    & skf21("3","6","6","6","6","1","1","1") = "5"
    & skf21("3","6","6","6","6","1","2","1") = "5"
    & skf21("3","6","6","6","6","1","3","1") = "5"
    & skf21("3","6","6","6","6","1","4","1") = "5"
    & skf21("3","6","6","6","6","1","5","1") = "5"
    & skf21("3","6","6","6","6","1","6","1") = "5"
    & skf21("3","6","6","6","6","1","7","1") = "6"
    & skf21("3","6","6","6","6","2","1","1") = "5"
    & skf21("3","6","6","6","6","2","2","1") = "5"
    & skf21("3","6","6","6","6","2","3","1") = "5"
    & skf21("3","6","6","6","6","2","4","1") = "5"
    & skf21("3","6","6","6","6","2","5","1") = "5"
    & skf21("3","6","6","6","6","2","6","1") = "5"
    & skf21("3","6","6","6","6","2","7","1") = "6"
    & skf21("3","6","6","6","6","3","1","1") = "5"
    & skf21("3","6","6","6","6","3","2","1") = "5"
    & skf21("3","6","6","6","6","3","3","1") = "5"
    & skf21("3","6","6","6","6","3","4","1") = "5"
    & skf21("3","6","6","6","6","3","5","1") = "5"
    & skf21("3","6","6","6","6","3","6","1") = "5"
    & skf21("3","6","6","6","6","3","7","1") = "6"
    & skf21("3","6","6","6","6","4","1","1") = "5"
    & skf21("3","6","6","6","6","4","2","1") = "5"
    & skf21("3","6","6","6","6","4","3","1") = "5"
    & skf21("3","6","6","6","6","4","4","1") = "5"
    & skf21("3","6","6","6","6","4","5","1") = "5"
    & skf21("3","6","6","6","6","4","6","1") = "5"
    & skf21("3","6","6","6","6","4","7","1") = "6"
    & skf21("3","6","6","6","6","5","1","1") = "5"
    & skf21("3","6","6","6","6","5","2","1") = "5"
    & skf21("3","6","6","6","6","5","3","1") = "5"
    & skf21("3","6","6","6","6","5","4","1") = "5"
    & skf21("3","6","6","6","6","5","5","1") = "5"
    & skf21("3","6","6","6","6","5","6","1") = "5"
    & skf21("3","6","6","6","6","5","7","1") = "6"
    & skf21("3","6","6","6","6","6","1","1") = "5"
    & skf21("3","6","6","6","6","6","2","1") = "5"
    & skf21("3","6","6","6","6","6","3","1") = "5"
    & skf21("3","6","6","6","6","6","4","1") = "5"
    & skf21("3","6","6","6","6","6","5","1") = "5"
    & skf21("3","6","6","6","6","6","6","1") = "5"
    & skf21("3","6","6","6","6","6","7","1") = "6"
    & skf21("3","6","6","6","6","7","1","1") = "6"
    & skf21("3","6","6","6","6","7","2","1") = "6"
    & skf21("3","6","6","6","6","7","3","1") = "6"
    & skf21("3","6","6","6","6","7","4","1") = "6"
    & skf21("3","6","6","6","6","7","5","1") = "6"
    & skf21("3","6","6","6","6","7","6","1") = "6"
    & skf21("3","6","6","6","6","7","7","1") = "6"
    & skf21("3","6","6","6","7","1","1","1") = "6"
    & skf21("3","6","6","6","7","1","2","1") = "6"
    & skf21("3","6","6","6","7","1","3","1") = "6"
    & skf21("3","6","6","6","7","1","4","1") = "6"
    & skf21("3","6","6","6","7","1","5","1") = "6"
    & skf21("3","6","6","6","7","1","6","1") = "6"
    & skf21("3","6","6","6","7","1","7","1") = "6"
    & skf21("3","6","6","6","7","2","1","1") = "6"
    & skf21("3","6","6","6","7","2","2","1") = "6"
    & skf21("3","6","6","6","7","2","3","1") = "6"
    & skf21("3","6","6","6","7","2","4","1") = "6"
    & skf21("3","6","6","6","7","2","5","1") = "6"
    & skf21("3","6","6","6","7","2","6","1") = "6"
    & skf21("3","6","6","6","7","2","7","1") = "6"
    & skf21("3","6","6","6","7","3","1","1") = "6"
    & skf21("3","6","6","6","7","3","2","1") = "6"
    & skf21("3","6","6","6","7","3","3","1") = "6"
    & skf21("3","6","6","6","7","3","4","1") = "6"
    & skf21("3","6","6","6","7","3","5","1") = "6"
    & skf21("3","6","6","6","7","3","6","1") = "6"
    & skf21("3","6","6","6","7","3","7","1") = "6"
    & skf21("3","6","6","6","7","4","1","1") = "6"
    & skf21("3","6","6","6","7","4","2","1") = "6"
    & skf21("3","6","6","6","7","4","3","1") = "6"
    & skf21("3","6","6","6","7","4","4","1") = "6"
    & skf21("3","6","6","6","7","4","5","1") = "6"
    & skf21("3","6","6","6","7","4","6","1") = "6"
    & skf21("3","6","6","6","7","4","7","1") = "6"
    & skf21("3","6","6","6","7","5","1","1") = "6"
    & skf21("3","6","6","6","7","5","2","1") = "6"
    & skf21("3","6","6","6","7","5","3","1") = "6"
    & skf21("3","6","6","6","7","5","4","1") = "6"
    & skf21("3","6","6","6","7","5","5","1") = "6"
    & skf21("3","6","6","6","7","5","6","1") = "6"
    & skf21("3","6","6","6","7","5","7","1") = "6"
    & skf21("3","6","6","6","7","6","1","1") = "6"
    & skf21("3","6","6","6","7","6","2","1") = "6"
    & skf21("3","6","6","6","7","6","3","1") = "6"
    & skf21("3","6","6","6","7","6","4","1") = "6"
    & skf21("3","6","6","6","7","6","5","1") = "6"
    & skf21("3","6","6","6","7","6","6","1") = "6"
    & skf21("3","6","6","6","7","6","7","1") = "6"
    & skf21("3","6","6","6","7","7","1","1") = "6"
    & skf21("3","6","6","6","7","7","2","1") = "6"
    & skf21("3","6","6","6","7","7","3","1") = "6"
    & skf21("3","6","6","6","7","7","4","1") = "6"
    & skf21("3","6","6","6","7","7","5","1") = "6"
    & skf21("3","6","6","6","7","7","6","1") = "6"
    & skf21("3","6","6","6","7","7","7","1") = "6"
    & skf21("3","6","6","7","1","1","1","1") = "6"
    & skf21("3","6","6","7","1","1","2","1") = "6"
    & skf21("3","6","6","7","1","1","3","1") = "6"
    & skf21("3","6","6","7","1","1","4","1") = "6"
    & skf21("3","6","6","7","1","1","5","1") = "6"
    & skf21("3","6","6","7","1","1","6","1") = "6"
    & skf21("3","6","6","7","1","1","7","1") = "6"
    & skf21("3","6","6","7","1","2","1","1") = "6"
    & skf21("3","6","6","7","1","2","2","1") = "6"
    & skf21("3","6","6","7","1","2","3","1") = "6"
    & skf21("3","6","6","7","1","2","4","1") = "6"
    & skf21("3","6","6","7","1","2","5","1") = "6"
    & skf21("3","6","6","7","1","2","6","1") = "6"
    & skf21("3","6","6","7","1","2","7","1") = "6"
    & skf21("3","6","6","7","1","3","1","1") = "6"
    & skf21("3","6","6","7","1","3","2","1") = "6"
    & skf21("3","6","6","7","1","3","3","1") = "6"
    & skf21("3","6","6","7","1","3","4","1") = "6"
    & skf21("3","6","6","7","1","3","5","1") = "6"
    & skf21("3","6","6","7","1","3","6","1") = "6"
    & skf21("3","6","6","7","1","3","7","1") = "6"
    & skf21("3","6","6","7","1","4","1","1") = "6"
    & skf21("3","6","6","7","1","4","2","1") = "6"
    & skf21("3","6","6","7","1","4","3","1") = "6"
    & skf21("3","6","6","7","1","4","4","1") = "6"
    & skf21("3","6","6","7","1","4","5","1") = "6"
    & skf21("3","6","6","7","1","4","6","1") = "6"
    & skf21("3","6","6","7","1","4","7","1") = "6"
    & skf21("3","6","6","7","1","5","1","1") = "6"
    & skf21("3","6","6","7","1","5","2","1") = "6"
    & skf21("3","6","6","7","1","5","3","1") = "6"
    & skf21("3","6","6","7","1","5","4","1") = "6"
    & skf21("3","6","6","7","1","5","5","1") = "6"
    & skf21("3","6","6","7","1","5","6","1") = "6"
    & skf21("3","6","6","7","1","5","7","1") = "6"
    & skf21("3","6","6","7","1","6","1","1") = "6"
    & skf21("3","6","6","7","1","6","2","1") = "6"
    & skf21("3","6","6","7","1","6","3","1") = "6"
    & skf21("3","6","6","7","1","6","4","1") = "6"
    & skf21("3","6","6","7","1","6","5","1") = "6"
    & skf21("3","6","6","7","1","6","6","1") = "6"
    & skf21("3","6","6","7","1","6","7","1") = "6"
    & skf21("3","6","6","7","1","7","1","1") = "6"
    & skf21("3","6","6","7","1","7","2","1") = "6"
    & skf21("3","6","6","7","1","7","3","1") = "6"
    & skf21("3","6","6","7","1","7","4","1") = "6"
    & skf21("3","6","6","7","1","7","5","1") = "6"
    & skf21("3","6","6","7","1","7","6","1") = "6"
    & skf21("3","6","6","7","1","7","7","1") = "6"
    & skf21("3","6","6","7","2","1","1","1") = "6"
    & skf21("3","6","6","7","2","1","2","1") = "6"
    & skf21("3","6","6","7","2","1","3","1") = "6"
    & skf21("3","6","6","7","2","1","4","1") = "6"
    & skf21("3","6","6","7","2","1","5","1") = "6"
    & skf21("3","6","6","7","2","1","6","1") = "6"
    & skf21("3","6","6","7","2","1","7","1") = "6"
    & skf21("3","6","6","7","2","2","1","1") = "6"
    & skf21("3","6","6","7","2","2","2","1") = "6"
    & skf21("3","6","6","7","2","2","3","1") = "6"
    & skf21("3","6","6","7","2","2","4","1") = "6"
    & skf21("3","6","6","7","2","2","5","1") = "6"
    & skf21("3","6","6","7","2","2","6","1") = "6"
    & skf21("3","6","6","7","2","2","7","1") = "6"
    & skf21("3","6","6","7","2","3","1","1") = "6"
    & skf21("3","6","6","7","2","3","2","1") = "6"
    & skf21("3","6","6","7","2","3","3","1") = "6"
    & skf21("3","6","6","7","2","3","4","1") = "6"
    & skf21("3","6","6","7","2","3","5","1") = "6"
    & skf21("3","6","6","7","2","3","6","1") = "6"
    & skf21("3","6","6","7","2","3","7","1") = "6"
    & skf21("3","6","6","7","2","4","1","1") = "6"
    & skf21("3","6","6","7","2","4","2","1") = "6"
    & skf21("3","6","6","7","2","4","3","1") = "6"
    & skf21("3","6","6","7","2","4","4","1") = "6"
    & skf21("3","6","6","7","2","4","5","1") = "6"
    & skf21("3","6","6","7","2","4","6","1") = "6"
    & skf21("3","6","6","7","2","4","7","1") = "6"
    & skf21("3","6","6","7","2","5","1","1") = "6"
    & skf21("3","6","6","7","2","5","2","1") = "6"
    & skf21("3","6","6","7","2","5","3","1") = "6"
    & skf21("3","6","6","7","2","5","4","1") = "6"
    & skf21("3","6","6","7","2","5","5","1") = "6"
    & skf21("3","6","6","7","2","5","6","1") = "6"
    & skf21("3","6","6","7","2","5","7","1") = "6"
    & skf21("3","6","6","7","2","6","1","1") = "6"
    & skf21("3","6","6","7","2","6","2","1") = "6"
    & skf21("3","6","6","7","2","6","3","1") = "6"
    & skf21("3","6","6","7","2","6","4","1") = "6"
    & skf21("3","6","6","7","2","6","5","1") = "6"
    & skf21("3","6","6","7","2","6","6","1") = "6"
    & skf21("3","6","6","7","2","6","7","1") = "6"
    & skf21("3","6","6","7","2","7","1","1") = "6"
    & skf21("3","6","6","7","2","7","2","1") = "6"
    & skf21("3","6","6","7","2","7","3","1") = "6"
    & skf21("3","6","6","7","2","7","4","1") = "6"
    & skf21("3","6","6","7","2","7","5","1") = "6"
    & skf21("3","6","6","7","2","7","6","1") = "6"
    & skf21("3","6","6","7","2","7","7","1") = "6"
    & skf21("3","6","6","7","3","1","1","1") = "6"
    & skf21("3","6","6","7","3","1","2","1") = "6"
    & skf21("3","6","6","7","3","1","3","1") = "6"
    & skf21("3","6","6","7","3","1","4","1") = "6"
    & skf21("3","6","6","7","3","1","5","1") = "6"
    & skf21("3","6","6","7","3","1","6","1") = "6"
    & skf21("3","6","6","7","3","1","7","1") = "6"
    & skf21("3","6","6","7","3","2","1","1") = "6"
    & skf21("3","6","6","7","3","2","2","1") = "6"
    & skf21("3","6","6","7","3","2","3","1") = "6"
    & skf21("3","6","6","7","3","2","4","1") = "6"
    & skf21("3","6","6","7","3","2","5","1") = "6"
    & skf21("3","6","6","7","3","2","6","1") = "6"
    & skf21("3","6","6","7","3","2","7","1") = "6"
    & skf21("3","6","6","7","3","3","1","1") = "6"
    & skf21("3","6","6","7","3","3","2","1") = "6"
    & skf21("3","6","6","7","3","3","3","1") = "6"
    & skf21("3","6","6","7","3","3","4","1") = "6"
    & skf21("3","6","6","7","3","3","5","1") = "6"
    & skf21("3","6","6","7","3","3","6","1") = "6"
    & skf21("3","6","6","7","3","3","7","1") = "6"
    & skf21("3","6","6","7","3","4","1","1") = "6"
    & skf21("3","6","6","7","3","4","2","1") = "6"
    & skf21("3","6","6","7","3","4","3","1") = "6"
    & skf21("3","6","6","7","3","4","4","1") = "6"
    & skf21("3","6","6","7","3","4","5","1") = "6"
    & skf21("3","6","6","7","3","4","6","1") = "6"
    & skf21("3","6","6","7","3","4","7","1") = "6"
    & skf21("3","6","6","7","3","5","1","1") = "6"
    & skf21("3","6","6","7","3","5","2","1") = "6"
    & skf21("3","6","6","7","3","5","3","1") = "6"
    & skf21("3","6","6","7","3","5","4","1") = "6"
    & skf21("3","6","6","7","3","5","5","1") = "6"
    & skf21("3","6","6","7","3","5","6","1") = "6"
    & skf21("3","6","6","7","3","5","7","1") = "6"
    & skf21("3","6","6","7","3","6","1","1") = "6"
    & skf21("3","6","6","7","3","6","2","1") = "6"
    & skf21("3","6","6","7","3","6","3","1") = "6"
    & skf21("3","6","6","7","3","6","4","1") = "6"
    & skf21("3","6","6","7","3","6","5","1") = "6"
    & skf21("3","6","6","7","3","6","6","1") = "6"
    & skf21("3","6","6","7","3","6","7","1") = "6"
    & skf21("3","6","6","7","3","7","1","1") = "6"
    & skf21("3","6","6","7","3","7","2","1") = "6"
    & skf21("3","6","6","7","3","7","3","1") = "6"
    & skf21("3","6","6","7","3","7","4","1") = "6"
    & skf21("3","6","6","7","3","7","5","1") = "6"
    & skf21("3","6","6","7","3","7","6","1") = "6"
    & skf21("3","6","6","7","3","7","7","1") = "6"
    & skf21("3","6","6","7","4","1","1","1") = "6"
    & skf21("3","6","6","7","4","1","2","1") = "6"
    & skf21("3","6","6","7","4","1","3","1") = "6"
    & skf21("3","6","6","7","4","1","4","1") = "6"
    & skf21("3","6","6","7","4","1","5","1") = "6"
    & skf21("3","6","6","7","4","1","6","1") = "6"
    & skf21("3","6","6","7","4","1","7","1") = "6"
    & skf21("3","6","6","7","4","2","1","1") = "6"
    & skf21("3","6","6","7","4","2","2","1") = "6"
    & skf21("3","6","6","7","4","2","3","1") = "6"
    & skf21("3","6","6","7","4","2","4","1") = "6"
    & skf21("3","6","6","7","4","2","5","1") = "6"
    & skf21("3","6","6","7","4","2","6","1") = "6"
    & skf21("3","6","6","7","4","2","7","1") = "6"
    & skf21("3","6","6","7","4","3","1","1") = "6"
    & skf21("3","6","6","7","4","3","2","1") = "6"
    & skf21("3","6","6","7","4","3","3","1") = "6"
    & skf21("3","6","6","7","4","3","4","1") = "6"
    & skf21("3","6","6","7","4","3","5","1") = "6"
    & skf21("3","6","6","7","4","3","6","1") = "6"
    & skf21("3","6","6","7","4","3","7","1") = "6"
    & skf21("3","6","6","7","4","4","1","1") = "6"
    & skf21("3","6","6","7","4","4","2","1") = "6"
    & skf21("3","6","6","7","4","4","3","1") = "6"
    & skf21("3","6","6","7","4","4","4","1") = "6"
    & skf21("3","6","6","7","4","4","5","1") = "6"
    & skf21("3","6","6","7","4","4","6","1") = "6"
    & skf21("3","6","6","7","4","4","7","1") = "6"
    & skf21("3","6","6","7","4","5","1","1") = "6"
    & skf21("3","6","6","7","4","5","2","1") = "6"
    & skf21("3","6","6","7","4","5","3","1") = "6"
    & skf21("3","6","6","7","4","5","4","1") = "6"
    & skf21("3","6","6","7","4","5","5","1") = "6"
    & skf21("3","6","6","7","4","5","6","1") = "6"
    & skf21("3","6","6","7","4","5","7","1") = "6"
    & skf21("3","6","6","7","4","6","1","1") = "6"
    & skf21("3","6","6","7","4","6","2","1") = "6"
    & skf21("3","6","6","7","4","6","3","1") = "6"
    & skf21("3","6","6","7","4","6","4","1") = "6"
    & skf21("3","6","6","7","4","6","5","1") = "6"
    & skf21("3","6","6","7","4","6","6","1") = "6"
    & skf21("3","6","6","7","4","6","7","1") = "6"
    & skf21("3","6","6","7","4","7","1","1") = "6"
    & skf21("3","6","6","7","4","7","2","1") = "6"
    & skf21("3","6","6","7","4","7","3","1") = "6"
    & skf21("3","6","6","7","4","7","4","1") = "6"
    & skf21("3","6","6","7","4","7","5","1") = "6"
    & skf21("3","6","6","7","4","7","6","1") = "6"
    & skf21("3","6","6","7","4","7","7","1") = "6"
    & skf21("3","6","6","7","5","1","1","1") = "6"
    & skf21("3","6","6","7","5","1","2","1") = "6"
    & skf21("3","6","6","7","5","1","3","1") = "6"
    & skf21("3","6","6","7","5","1","4","1") = "6"
    & skf21("3","6","6","7","5","1","5","1") = "6"
    & skf21("3","6","6","7","5","1","6","1") = "6"
    & skf21("3","6","6","7","5","1","7","1") = "6"
    & skf21("3","6","6","7","5","2","1","1") = "6"
    & skf21("3","6","6","7","5","2","2","1") = "6"
    & skf21("3","6","6","7","5","2","3","1") = "6"
    & skf21("3","6","6","7","5","2","4","1") = "6"
    & skf21("3","6","6","7","5","2","5","1") = "6"
    & skf21("3","6","6","7","5","2","6","1") = "6"
    & skf21("3","6","6","7","5","2","7","1") = "6"
    & skf21("3","6","6","7","5","3","1","1") = "6"
    & skf21("3","6","6","7","5","3","2","1") = "6"
    & skf21("3","6","6","7","5","3","3","1") = "6"
    & skf21("3","6","6","7","5","3","4","1") = "6"
    & skf21("3","6","6","7","5","3","5","1") = "6"
    & skf21("3","6","6","7","5","3","6","1") = "6"
    & skf21("3","6","6","7","5","3","7","1") = "6"
    & skf21("3","6","6","7","5","4","1","1") = "6"
    & skf21("3","6","6","7","5","4","2","1") = "6"
    & skf21("3","6","6","7","5","4","3","1") = "6"
    & skf21("3","6","6","7","5","4","4","1") = "6"
    & skf21("3","6","6","7","5","4","5","1") = "6"
    & skf21("3","6","6","7","5","4","6","1") = "6"
    & skf21("3","6","6","7","5","4","7","1") = "6"
    & skf21("3","6","6","7","5","5","1","1") = "6"
    & skf21("3","6","6","7","5","5","2","1") = "6"
    & skf21("3","6","6","7","5","5","3","1") = "6"
    & skf21("3","6","6","7","5","5","4","1") = "6"
    & skf21("3","6","6","7","5","5","5","1") = "6"
    & skf21("3","6","6","7","5","5","6","1") = "6"
    & skf21("3","6","6","7","5","5","7","1") = "6"
    & skf21("3","6","6","7","5","6","1","1") = "6"
    & skf21("3","6","6","7","5","6","2","1") = "6"
    & skf21("3","6","6","7","5","6","3","1") = "6"
    & skf21("3","6","6","7","5","6","4","1") = "6"
    & skf21("3","6","6","7","5","6","5","1") = "6"
    & skf21("3","6","6","7","5","6","6","1") = "6"
    & skf21("3","6","6","7","5","6","7","1") = "6"
    & skf21("3","6","6","7","5","7","1","1") = "6"
    & skf21("3","6","6","7","5","7","2","1") = "6"
    & skf21("3","6","6","7","5","7","3","1") = "6"
    & skf21("3","6","6","7","5","7","4","1") = "6"
    & skf21("3","6","6","7","5","7","5","1") = "6"
    & skf21("3","6","6","7","5","7","6","1") = "6"
    & skf21("3","6","6","7","5","7","7","1") = "6"
    & skf21("3","6","6","7","6","1","1","1") = "6"
    & skf21("3","6","6","7","6","1","2","1") = "6"
    & skf21("3","6","6","7","6","1","3","1") = "6"
    & skf21("3","6","6","7","6","1","4","1") = "6"
    & skf21("3","6","6","7","6","1","5","1") = "6"
    & skf21("3","6","6","7","6","1","6","1") = "6"
    & skf21("3","6","6","7","6","1","7","1") = "6"
    & skf21("3","6","6","7","6","2","1","1") = "6"
    & skf21("3","6","6","7","6","2","2","1") = "6"
    & skf21("3","6","6","7","6","2","3","1") = "6"
    & skf21("3","6","6","7","6","2","4","1") = "6"
    & skf21("3","6","6","7","6","2","5","1") = "6"
    & skf21("3","6","6","7","6","2","6","1") = "6"
    & skf21("3","6","6","7","6","2","7","1") = "6"
    & skf21("3","6","6","7","6","3","1","1") = "6"
    & skf21("3","6","6","7","6","3","2","1") = "6"
    & skf21("3","6","6","7","6","3","3","1") = "6"
    & skf21("3","6","6","7","6","3","4","1") = "6"
    & skf21("3","6","6","7","6","3","5","1") = "6"
    & skf21("3","6","6","7","6","3","6","1") = "6"
    & skf21("3","6","6","7","6","3","7","1") = "6"
    & skf21("3","6","6","7","6","4","1","1") = "6"
    & skf21("3","6","6","7","6","4","2","1") = "6"
    & skf21("3","6","6","7","6","4","3","1") = "6"
    & skf21("3","6","6","7","6","4","4","1") = "6"
    & skf21("3","6","6","7","6","4","5","1") = "6"
    & skf21("3","6","6","7","6","4","6","1") = "6"
    & skf21("3","6","6","7","6","4","7","1") = "6"
    & skf21("3","6","6","7","6","5","1","1") = "6"
    & skf21("3","6","6","7","6","5","2","1") = "6"
    & skf21("3","6","6","7","6","5","3","1") = "6"
    & skf21("3","6","6","7","6","5","4","1") = "6"
    & skf21("3","6","6","7","6","5","5","1") = "6"
    & skf21("3","6","6","7","6","5","6","1") = "6"
    & skf21("3","6","6","7","6","5","7","1") = "6"
    & skf21("3","6","6","7","6","6","1","1") = "6"
    & skf21("3","6","6","7","6","6","2","1") = "6"
    & skf21("3","6","6","7","6","6","3","1") = "6"
    & skf21("3","6","6","7","6","6","4","1") = "6"
    & skf21("3","6","6","7","6","6","5","1") = "6"
    & skf21("3","6","6","7","6","6","6","1") = "6"
    & skf21("3","6","6","7","6","6","7","1") = "6"
    & skf21("3","6","6","7","6","7","1","1") = "6"
    & skf21("3","6","6","7","6","7","2","1") = "6"
    & skf21("3","6","6","7","6","7","3","1") = "6"
    & skf21("3","6","6","7","6","7","4","1") = "6"
    & skf21("3","6","6","7","6","7","5","1") = "6"
    & skf21("3","6","6","7","6","7","6","1") = "6"
    & skf21("3","6","6","7","6","7","7","1") = "6"
    & skf21("3","6","6","7","7","1","1","1") = "6"
    & skf21("3","6","6","7","7","1","2","1") = "6"
    & skf21("3","6","6","7","7","1","3","1") = "6"
    & skf21("3","6","6","7","7","1","4","1") = "6"
    & skf21("3","6","6","7","7","1","5","1") = "6"
    & skf21("3","6","6","7","7","1","6","1") = "6"
    & skf21("3","6","6","7","7","1","7","1") = "6"
    & skf21("3","6","6","7","7","2","1","1") = "6"
    & skf21("3","6","6","7","7","2","2","1") = "6"
    & skf21("3","6","6","7","7","2","3","1") = "6"
    & skf21("3","6","6","7","7","2","4","1") = "6"
    & skf21("3","6","6","7","7","2","5","1") = "6"
    & skf21("3","6","6","7","7","2","6","1") = "6"
    & skf21("3","6","6","7","7","2","7","1") = "6"
    & skf21("3","6","6","7","7","3","1","1") = "6"
    & skf21("3","6","6","7","7","3","2","1") = "6"
    & skf21("3","6","6","7","7","3","3","1") = "6"
    & skf21("3","6","6","7","7","3","4","1") = "6"
    & skf21("3","6","6","7","7","3","5","1") = "6"
    & skf21("3","6","6","7","7","3","6","1") = "6"
    & skf21("3","6","6","7","7","3","7","1") = "6"
    & skf21("3","6","6","7","7","4","1","1") = "6"
    & skf21("3","6","6","7","7","4","2","1") = "6"
    & skf21("3","6","6","7","7","4","3","1") = "6"
    & skf21("3","6","6","7","7","4","4","1") = "6"
    & skf21("3","6","6","7","7","4","5","1") = "6"
    & skf21("3","6","6","7","7","4","6","1") = "6"
    & skf21("3","6","6","7","7","4","7","1") = "6"
    & skf21("3","6","6","7","7","5","1","1") = "6"
    & skf21("3","6","6","7","7","5","2","1") = "6"
    & skf21("3","6","6","7","7","5","3","1") = "6"
    & skf21("3","6","6","7","7","5","4","1") = "6"
    & skf21("3","6","6","7","7","5","5","1") = "6"
    & skf21("3","6","6","7","7","5","6","1") = "6"
    & skf21("3","6","6","7","7","5","7","1") = "6"
    & skf21("3","6","6","7","7","6","1","1") = "6"
    & skf21("3","6","6","7","7","6","2","1") = "6"
    & skf21("3","6","6","7","7","6","3","1") = "6"
    & skf21("3","6","6","7","7","6","4","1") = "6"
    & skf21("3","6","6","7","7","6","5","1") = "6"
    & skf21("3","6","6","7","7","6","6","1") = "6"
    & skf21("3","6","6","7","7","6","7","1") = "6"
    & skf21("3","6","6","7","7","7","1","1") = "6"
    & skf21("3","6","6","7","7","7","2","1") = "6"
    & skf21("3","6","6","7","7","7","3","1") = "6"
    & skf21("3","6","6","7","7","7","4","1") = "6"
    & skf21("3","6","6","7","7","7","5","1") = "6"
    & skf21("3","6","6","7","7","7","6","1") = "6"
    & skf21("3","6","6","7","7","7","7","1") = "6"
    & skf21("3","6","7","1","1","1","1","1") = "6"
    & skf21("3","6","7","1","1","1","2","1") = "6"
    & skf21("3","6","7","1","1","1","3","1") = "6"
    & skf21("3","6","7","1","1","1","4","1") = "6"
    & skf21("3","6","7","1","1","1","5","1") = "6"
    & skf21("3","6","7","1","1","1","6","1") = "6"
    & skf21("3","6","7","1","1","1","7","1") = "6"
    & skf21("3","6","7","1","1","2","1","1") = "6"
    & skf21("3","6","7","1","1","2","2","1") = "6"
    & skf21("3","6","7","1","1","2","3","1") = "6"
    & skf21("3","6","7","1","1","2","4","1") = "6"
    & skf21("3","6","7","1","1","2","5","1") = "6"
    & skf21("3","6","7","1","1","2","6","1") = "6"
    & skf21("3","6","7","1","1","2","7","1") = "6"
    & skf21("3","6","7","1","1","3","1","1") = "6"
    & skf21("3","6","7","1","1","3","2","1") = "6"
    & skf21("3","6","7","1","1","3","3","1") = "6"
    & skf21("3","6","7","1","1","3","4","1") = "6"
    & skf21("3","6","7","1","1","3","5","1") = "6"
    & skf21("3","6","7","1","1","3","6","1") = "6"
    & skf21("3","6","7","1","1","3","7","1") = "6"
    & skf21("3","6","7","1","1","4","1","1") = "6"
    & skf21("3","6","7","1","1","4","2","1") = "6"
    & skf21("3","6","7","1","1","4","3","1") = "6"
    & skf21("3","6","7","1","1","4","4","1") = "6"
    & skf21("3","6","7","1","1","4","5","1") = "6"
    & skf21("3","6","7","1","1","4","6","1") = "6"
    & skf21("3","6","7","1","1","4","7","1") = "6"
    & skf21("3","6","7","1","1","5","1","1") = "6"
    & skf21("3","6","7","1","1","5","2","1") = "6"
    & skf21("3","6","7","1","1","5","3","1") = "6"
    & skf21("3","6","7","1","1","5","4","1") = "6"
    & skf21("3","6","7","1","1","5","5","1") = "6"
    & skf21("3","6","7","1","1","5","6","1") = "6"
    & skf21("3","6","7","1","1","5","7","1") = "6"
    & skf21("3","6","7","1","1","6","1","1") = "6"
    & skf21("3","6","7","1","1","6","2","1") = "6"
    & skf21("3","6","7","1","1","6","3","1") = "6"
    & skf21("3","6","7","1","1","6","4","1") = "6"
    & skf21("3","6","7","1","1","6","5","1") = "6"
    & skf21("3","6","7","1","1","6","6","1") = "6"
    & skf21("3","6","7","1","1","6","7","1") = "6"
    & skf21("3","6","7","1","1","7","1","1") = "6"
    & skf21("3","6","7","1","1","7","2","1") = "6"
    & skf21("3","6","7","1","1","7","3","1") = "6"
    & skf21("3","6","7","1","1","7","4","1") = "6"
    & skf21("3","6","7","1","1","7","5","1") = "6"
    & skf21("3","6","7","1","1","7","6","1") = "6"
    & skf21("3","6","7","1","1","7","7","1") = "6"
    & skf21("3","6","7","1","2","1","1","1") = "6"
    & skf21("3","6","7","1","2","1","2","1") = "6"
    & skf21("3","6","7","1","2","1","3","1") = "6"
    & skf21("3","6","7","1","2","1","4","1") = "6"
    & skf21("3","6","7","1","2","1","5","1") = "6"
    & skf21("3","6","7","1","2","1","6","1") = "6"
    & skf21("3","6","7","1","2","1","7","1") = "6"
    & skf21("3","6","7","1","2","2","1","1") = "6"
    & skf21("3","6","7","1","2","2","2","1") = "6"
    & skf21("3","6","7","1","2","2","3","1") = "6"
    & skf21("3","6","7","1","2","2","4","1") = "6"
    & skf21("3","6","7","1","2","2","5","1") = "6"
    & skf21("3","6","7","1","2","2","6","1") = "6"
    & skf21("3","6","7","1","2","2","7","1") = "6"
    & skf21("3","6","7","1","2","3","1","1") = "6"
    & skf21("3","6","7","1","2","3","2","1") = "6"
    & skf21("3","6","7","1","2","3","3","1") = "6"
    & skf21("3","6","7","1","2","3","4","1") = "6"
    & skf21("3","6","7","1","2","3","5","1") = "6"
    & skf21("3","6","7","1","2","3","6","1") = "6"
    & skf21("3","6","7","1","2","3","7","1") = "6"
    & skf21("3","6","7","1","2","4","1","1") = "6"
    & skf21("3","6","7","1","2","4","2","1") = "6"
    & skf21("3","6","7","1","2","4","3","1") = "6"
    & skf21("3","6","7","1","2","4","4","1") = "6"
    & skf21("3","6","7","1","2","4","5","1") = "6"
    & skf21("3","6","7","1","2","4","6","1") = "6"
    & skf21("3","6","7","1","2","4","7","1") = "6"
    & skf21("3","6","7","1","2","5","1","1") = "6"
    & skf21("3","6","7","1","2","5","2","1") = "6"
    & skf21("3","6","7","1","2","5","3","1") = "6"
    & skf21("3","6","7","1","2","5","4","1") = "6"
    & skf21("3","6","7","1","2","5","5","1") = "6"
    & skf21("3","6","7","1","2","5","6","1") = "6"
    & skf21("3","6","7","1","2","5","7","1") = "6"
    & skf21("3","6","7","1","2","6","1","1") = "6"
    & skf21("3","6","7","1","2","6","2","1") = "6"
    & skf21("3","6","7","1","2","6","3","1") = "6"
    & skf21("3","6","7","1","2","6","4","1") = "6"
    & skf21("3","6","7","1","2","6","5","1") = "6"
    & skf21("3","6","7","1","2","6","6","1") = "6"
    & skf21("3","6","7","1","2","6","7","1") = "6"
    & skf21("3","6","7","1","2","7","1","1") = "6"
    & skf21("3","6","7","1","2","7","2","1") = "6"
    & skf21("3","6","7","1","2","7","3","1") = "6"
    & skf21("3","6","7","1","2","7","4","1") = "6"
    & skf21("3","6","7","1","2","7","5","1") = "6"
    & skf21("3","6","7","1","2","7","6","1") = "6"
    & skf21("3","6","7","1","2","7","7","1") = "6"
    & skf21("3","6","7","1","3","1","1","1") = "6"
    & skf21("3","6","7","1","3","1","2","1") = "6"
    & skf21("3","6","7","1","3","1","3","1") = "6"
    & skf21("3","6","7","1","3","1","4","1") = "6"
    & skf21("3","6","7","1","3","1","5","1") = "6"
    & skf21("3","6","7","1","3","1","6","1") = "6"
    & skf21("3","6","7","1","3","1","7","1") = "6"
    & skf21("3","6","7","1","3","2","1","1") = "6"
    & skf21("3","6","7","1","3","2","2","1") = "6"
    & skf21("3","6","7","1","3","2","3","1") = "6"
    & skf21("3","6","7","1","3","2","4","1") = "6"
    & skf21("3","6","7","1","3","2","5","1") = "6"
    & skf21("3","6","7","1","3","2","6","1") = "6"
    & skf21("3","6","7","1","3","2","7","1") = "6"
    & skf21("3","6","7","1","3","3","1","1") = "6"
    & skf21("3","6","7","1","3","3","2","1") = "6"
    & skf21("3","6","7","1","3","3","3","1") = "6"
    & skf21("3","6","7","1","3","3","4","1") = "6"
    & skf21("3","6","7","1","3","3","5","1") = "6"
    & skf21("3","6","7","1","3","3","6","1") = "6"
    & skf21("3","6","7","1","3","3","7","1") = "6"
    & skf21("3","6","7","1","3","4","1","1") = "6"
    & skf21("3","6","7","1","3","4","2","1") = "6"
    & skf21("3","6","7","1","3","4","3","1") = "6"
    & skf21("3","6","7","1","3","4","4","1") = "6"
    & skf21("3","6","7","1","3","4","5","1") = "6"
    & skf21("3","6","7","1","3","4","6","1") = "6"
    & skf21("3","6","7","1","3","4","7","1") = "6"
    & skf21("3","6","7","1","3","5","1","1") = "6"
    & skf21("3","6","7","1","3","5","2","1") = "6"
    & skf21("3","6","7","1","3","5","3","1") = "6"
    & skf21("3","6","7","1","3","5","4","1") = "6"
    & skf21("3","6","7","1","3","5","5","1") = "6"
    & skf21("3","6","7","1","3","5","6","1") = "6"
    & skf21("3","6","7","1","3","5","7","1") = "6"
    & skf21("3","6","7","1","3","6","1","1") = "6"
    & skf21("3","6","7","1","3","6","2","1") = "6"
    & skf21("3","6","7","1","3","6","3","1") = "6"
    & skf21("3","6","7","1","3","6","4","1") = "6"
    & skf21("3","6","7","1","3","6","5","1") = "6"
    & skf21("3","6","7","1","3","6","6","1") = "6"
    & skf21("3","6","7","1","3","6","7","1") = "6"
    & skf21("3","6","7","1","3","7","1","1") = "6"
    & skf21("3","6","7","1","3","7","2","1") = "6"
    & skf21("3","6","7","1","3","7","3","1") = "6"
    & skf21("3","6","7","1","3","7","4","1") = "6"
    & skf21("3","6","7","1","3","7","5","1") = "6"
    & skf21("3","6","7","1","3","7","6","1") = "6"
    & skf21("3","6","7","1","3","7","7","1") = "6"
    & skf21("3","6","7","1","4","1","1","1") = "6"
    & skf21("3","6","7","1","4","1","2","1") = "6"
    & skf21("3","6","7","1","4","1","3","1") = "6"
    & skf21("3","6","7","1","4","1","4","1") = "6"
    & skf21("3","6","7","1","4","1","5","1") = "6"
    & skf21("3","6","7","1","4","1","6","1") = "6"
    & skf21("3","6","7","1","4","1","7","1") = "6"
    & skf21("3","6","7","1","4","2","1","1") = "6"
    & skf21("3","6","7","1","4","2","2","1") = "6"
    & skf21("3","6","7","1","4","2","3","1") = "6"
    & skf21("3","6","7","1","4","2","4","1") = "6"
    & skf21("3","6","7","1","4","2","5","1") = "6"
    & skf21("3","6","7","1","4","2","6","1") = "6"
    & skf21("3","6","7","1","4","2","7","1") = "6"
    & skf21("3","6","7","1","4","3","1","1") = "6"
    & skf21("3","6","7","1","4","3","2","1") = "6"
    & skf21("3","6","7","1","4","3","3","1") = "6"
    & skf21("3","6","7","1","4","3","4","1") = "6"
    & skf21("3","6","7","1","4","3","5","1") = "6"
    & skf21("3","6","7","1","4","3","6","1") = "6"
    & skf21("3","6","7","1","4","3","7","1") = "6"
    & skf21("3","6","7","1","4","4","1","1") = "6"
    & skf21("3","6","7","1","4","4","2","1") = "6"
    & skf21("3","6","7","1","4","4","3","1") = "6"
    & skf21("3","6","7","1","4","4","4","1") = "6"
    & skf21("3","6","7","1","4","4","5","1") = "6"
    & skf21("3","6","7","1","4","4","6","1") = "6"
    & skf21("3","6","7","1","4","4","7","1") = "6"
    & skf21("3","6","7","1","4","5","1","1") = "6"
    & skf21("3","6","7","1","4","5","2","1") = "6"
    & skf21("3","6","7","1","4","5","3","1") = "6"
    & skf21("3","6","7","1","4","5","4","1") = "6"
    & skf21("3","6","7","1","4","5","5","1") = "6"
    & skf21("3","6","7","1","4","5","6","1") = "6"
    & skf21("3","6","7","1","4","5","7","1") = "6"
    & skf21("3","6","7","1","4","6","1","1") = "6"
    & skf21("3","6","7","1","4","6","2","1") = "6"
    & skf21("3","6","7","1","4","6","3","1") = "6"
    & skf21("3","6","7","1","4","6","4","1") = "6"
    & skf21("3","6","7","1","4","6","5","1") = "6"
    & skf21("3","6","7","1","4","6","6","1") = "6"
    & skf21("3","6","7","1","4","6","7","1") = "6"
    & skf21("3","6","7","1","4","7","1","1") = "6"
    & skf21("3","6","7","1","4","7","2","1") = "6"
    & skf21("3","6","7","1","4","7","3","1") = "6"
    & skf21("3","6","7","1","4","7","4","1") = "6"
    & skf21("3","6","7","1","4","7","5","1") = "6"
    & skf21("3","6","7","1","4","7","6","1") = "6"
    & skf21("3","6","7","1","4","7","7","1") = "6"
    & skf21("3","6","7","1","5","1","1","1") = "6"
    & skf21("3","6","7","1","5","1","2","1") = "6"
    & skf21("3","6","7","1","5","1","3","1") = "6"
    & skf21("3","6","7","1","5","1","4","1") = "6"
    & skf21("3","6","7","1","5","1","5","1") = "6"
    & skf21("3","6","7","1","5","1","6","1") = "6"
    & skf21("3","6","7","1","5","1","7","1") = "6"
    & skf21("3","6","7","1","5","2","1","1") = "6"
    & skf21("3","6","7","1","5","2","2","1") = "6"
    & skf21("3","6","7","1","5","2","3","1") = "6"
    & skf21("3","6","7","1","5","2","4","1") = "6"
    & skf21("3","6","7","1","5","2","5","1") = "6"
    & skf21("3","6","7","1","5","2","6","1") = "6"
    & skf21("3","6","7","1","5","2","7","1") = "6"
    & skf21("3","6","7","1","5","3","1","1") = "6"
    & skf21("3","6","7","1","5","3","2","1") = "6"
    & skf21("3","6","7","1","5","3","3","1") = "6"
    & skf21("3","6","7","1","5","3","4","1") = "6"
    & skf21("3","6","7","1","5","3","5","1") = "6"
    & skf21("3","6","7","1","5","3","6","1") = "6"
    & skf21("3","6","7","1","5","3","7","1") = "6"
    & skf21("3","6","7","1","5","4","1","1") = "6"
    & skf21("3","6","7","1","5","4","2","1") = "6"
    & skf21("3","6","7","1","5","4","3","1") = "6"
    & skf21("3","6","7","1","5","4","4","1") = "6"
    & skf21("3","6","7","1","5","4","5","1") = "6"
    & skf21("3","6","7","1","5","4","6","1") = "6"
    & skf21("3","6","7","1","5","4","7","1") = "6"
    & skf21("3","6","7","1","5","5","1","1") = "6"
    & skf21("3","6","7","1","5","5","2","1") = "6"
    & skf21("3","6","7","1","5","5","3","1") = "6"
    & skf21("3","6","7","1","5","5","4","1") = "6"
    & skf21("3","6","7","1","5","5","5","1") = "6"
    & skf21("3","6","7","1","5","5","6","1") = "6"
    & skf21("3","6","7","1","5","5","7","1") = "6"
    & skf21("3","6","7","1","5","6","1","1") = "6"
    & skf21("3","6","7","1","5","6","2","1") = "6"
    & skf21("3","6","7","1","5","6","3","1") = "6"
    & skf21("3","6","7","1","5","6","4","1") = "6"
    & skf21("3","6","7","1","5","6","5","1") = "6"
    & skf21("3","6","7","1","5","6","6","1") = "6"
    & skf21("3","6","7","1","5","6","7","1") = "6"
    & skf21("3","6","7","1","5","7","1","1") = "6"
    & skf21("3","6","7","1","5","7","2","1") = "6"
    & skf21("3","6","7","1","5","7","3","1") = "6"
    & skf21("3","6","7","1","5","7","4","1") = "6"
    & skf21("3","6","7","1","5","7","5","1") = "6"
    & skf21("3","6","7","1","5","7","6","1") = "6"
    & skf21("3","6","7","1","5","7","7","1") = "6"
    & skf21("3","6","7","1","6","1","1","1") = "6"
    & skf21("3","6","7","1","6","1","2","1") = "6"
    & skf21("3","6","7","1","6","1","3","1") = "6"
    & skf21("3","6","7","1","6","1","4","1") = "6"
    & skf21("3","6","7","1","6","1","5","1") = "6"
    & skf21("3","6","7","1","6","1","6","1") = "6"
    & skf21("3","6","7","1","6","1","7","1") = "6"
    & skf21("3","6","7","1","6","2","1","1") = "6"
    & skf21("3","6","7","1","6","2","2","1") = "6"
    & skf21("3","6","7","1","6","2","3","1") = "6"
    & skf21("3","6","7","1","6","2","4","1") = "6"
    & skf21("3","6","7","1","6","2","5","1") = "6"
    & skf21("3","6","7","1","6","2","6","1") = "6"
    & skf21("3","6","7","1","6","2","7","1") = "6"
    & skf21("3","6","7","1","6","3","1","1") = "6"
    & skf21("3","6","7","1","6","3","2","1") = "6"
    & skf21("3","6","7","1","6","3","3","1") = "6"
    & skf21("3","6","7","1","6","3","4","1") = "6"
    & skf21("3","6","7","1","6","3","5","1") = "6"
    & skf21("3","6","7","1","6","3","6","1") = "6"
    & skf21("3","6","7","1","6","3","7","1") = "6"
    & skf21("3","6","7","1","6","4","1","1") = "6"
    & skf21("3","6","7","1","6","4","2","1") = "6"
    & skf21("3","6","7","1","6","4","3","1") = "6"
    & skf21("3","6","7","1","6","4","4","1") = "6"
    & skf21("3","6","7","1","6","4","5","1") = "6"
    & skf21("3","6","7","1","6","4","6","1") = "6"
    & skf21("3","6","7","1","6","4","7","1") = "6"
    & skf21("3","6","7","1","6","5","1","1") = "6"
    & skf21("3","6","7","1","6","5","2","1") = "6"
    & skf21("3","6","7","1","6","5","3","1") = "6"
    & skf21("3","6","7","1","6","5","4","1") = "6"
    & skf21("3","6","7","1","6","5","5","1") = "6"
    & skf21("3","6","7","1","6","5","6","1") = "6"
    & skf21("3","6","7","1","6","5","7","1") = "6"
    & skf21("3","6","7","1","6","6","1","1") = "6"
    & skf21("3","6","7","1","6","6","2","1") = "6"
    & skf21("3","6","7","1","6","6","3","1") = "6"
    & skf21("3","6","7","1","6","6","4","1") = "6"
    & skf21("3","6","7","1","6","6","5","1") = "6"
    & skf21("3","6","7","1","6","6","6","1") = "6"
    & skf21("3","6","7","1","6","6","7","1") = "6"
    & skf21("3","6","7","1","6","7","1","1") = "6"
    & skf21("3","6","7","1","6","7","2","1") = "6"
    & skf21("3","6","7","1","6","7","3","1") = "6"
    & skf21("3","6","7","1","6","7","4","1") = "6"
    & skf21("3","6","7","1","6","7","5","1") = "6"
    & skf21("3","6","7","1","6","7","6","1") = "6"
    & skf21("3","6","7","1","6","7","7","1") = "6"
    & skf21("3","6","7","1","7","1","1","1") = "6"
    & skf21("3","6","7","1","7","1","2","1") = "6"
    & skf21("3","6","7","1","7","1","3","1") = "6"
    & skf21("3","6","7","1","7","1","4","1") = "6"
    & skf21("3","6","7","1","7","1","5","1") = "6"
    & skf21("3","6","7","1","7","1","6","1") = "6"
    & skf21("3","6","7","1","7","1","7","1") = "6"
    & skf21("3","6","7","1","7","2","1","1") = "6"
    & skf21("3","6","7","1","7","2","2","1") = "6"
    & skf21("3","6","7","1","7","2","3","1") = "6"
    & skf21("3","6","7","1","7","2","4","1") = "6"
    & skf21("3","6","7","1","7","2","5","1") = "6"
    & skf21("3","6","7","1","7","2","6","1") = "6"
    & skf21("3","6","7","1","7","2","7","1") = "6"
    & skf21("3","6","7","1","7","3","1","1") = "6"
    & skf21("3","6","7","1","7","3","2","1") = "6"
    & skf21("3","6","7","1","7","3","3","1") = "6"
    & skf21("3","6","7","1","7","3","4","1") = "6"
    & skf21("3","6","7","1","7","3","5","1") = "6"
    & skf21("3","6","7","1","7","3","6","1") = "6"
    & skf21("3","6","7","1","7","3","7","1") = "6"
    & skf21("3","6","7","1","7","4","1","1") = "6"
    & skf21("3","6","7","1","7","4","2","1") = "6"
    & skf21("3","6","7","1","7","4","3","1") = "6"
    & skf21("3","6","7","1","7","4","4","1") = "6"
    & skf21("3","6","7","1","7","4","5","1") = "6"
    & skf21("3","6","7","1","7","4","6","1") = "6"
    & skf21("3","6","7","1","7","4","7","1") = "6"
    & skf21("3","6","7","1","7","5","1","1") = "6"
    & skf21("3","6","7","1","7","5","2","1") = "6"
    & skf21("3","6","7","1","7","5","3","1") = "6"
    & skf21("3","6","7","1","7","5","4","1") = "6"
    & skf21("3","6","7","1","7","5","5","1") = "6"
    & skf21("3","6","7","1","7","5","6","1") = "6"
    & skf21("3","6","7","1","7","5","7","1") = "6"
    & skf21("3","6","7","1","7","6","1","1") = "6"
    & skf21("3","6","7","1","7","6","2","1") = "6"
    & skf21("3","6","7","1","7","6","3","1") = "6"
    & skf21("3","6","7","1","7","6","4","1") = "6"
    & skf21("3","6","7","1","7","6","5","1") = "6"
    & skf21("3","6","7","1","7","6","6","1") = "6"
    & skf21("3","6","7","1","7","6","7","1") = "6"
    & skf21("3","6","7","1","7","7","1","1") = "6"
    & skf21("3","6","7","1","7","7","2","1") = "6"
    & skf21("3","6","7","1","7","7","3","1") = "6"
    & skf21("3","6","7","1","7","7","4","1") = "6"
    & skf21("3","6","7","1","7","7","5","1") = "6"
    & skf21("3","6","7","1","7","7","6","1") = "6"
    & skf21("3","6","7","1","7","7","7","1") = "6"
    & skf21("3","6","7","2","1","1","1","1") = "6"
    & skf21("3","6","7","2","1","1","2","1") = "6"
    & skf21("3","6","7","2","1","1","3","1") = "6"
    & skf21("3","6","7","2","1","1","4","1") = "6"
    & skf21("3","6","7","2","1","1","5","1") = "6"
    & skf21("3","6","7","2","1","1","6","1") = "6"
    & skf21("3","6","7","2","1","1","7","1") = "6"
    & skf21("3","6","7","2","1","2","1","1") = "6"
    & skf21("3","6","7","2","1","2","2","1") = "6"
    & skf21("3","6","7","2","1","2","3","1") = "6"
    & skf21("3","6","7","2","1","2","4","1") = "6"
    & skf21("3","6","7","2","1","2","5","1") = "6"
    & skf21("3","6","7","2","1","2","6","1") = "6"
    & skf21("3","6","7","2","1","2","7","1") = "6"
    & skf21("3","6","7","2","1","3","1","1") = "6"
    & skf21("3","6","7","2","1","3","2","1") = "6"
    & skf21("3","6","7","2","1","3","3","1") = "6"
    & skf21("3","6","7","2","1","3","4","1") = "6"
    & skf21("3","6","7","2","1","3","5","1") = "6"
    & skf21("3","6","7","2","1","3","6","1") = "6"
    & skf21("3","6","7","2","1","3","7","1") = "6"
    & skf21("3","6","7","2","1","4","1","1") = "6"
    & skf21("3","6","7","2","1","4","2","1") = "6"
    & skf21("3","6","7","2","1","4","3","1") = "6"
    & skf21("3","6","7","2","1","4","4","1") = "6"
    & skf21("3","6","7","2","1","4","5","1") = "6"
    & skf21("3","6","7","2","1","4","6","1") = "6"
    & skf21("3","6","7","2","1","4","7","1") = "6"
    & skf21("3","6","7","2","1","5","1","1") = "6"
    & skf21("3","6","7","2","1","5","2","1") = "6"
    & skf21("3","6","7","2","1","5","3","1") = "6"
    & skf21("3","6","7","2","1","5","4","1") = "6"
    & skf21("3","6","7","2","1","5","5","1") = "6"
    & skf21("3","6","7","2","1","5","6","1") = "6"
    & skf21("3","6","7","2","1","5","7","1") = "6"
    & skf21("3","6","7","2","1","6","1","1") = "6"
    & skf21("3","6","7","2","1","6","2","1") = "6"
    & skf21("3","6","7","2","1","6","3","1") = "6"
    & skf21("3","6","7","2","1","6","4","1") = "6"
    & skf21("3","6","7","2","1","6","5","1") = "6"
    & skf21("3","6","7","2","1","6","6","1") = "6"
    & skf21("3","6","7","2","1","6","7","1") = "6"
    & skf21("3","6","7","2","1","7","1","1") = "6"
    & skf21("3","6","7","2","1","7","2","1") = "6"
    & skf21("3","6","7","2","1","7","3","1") = "6"
    & skf21("3","6","7","2","1","7","4","1") = "6"
    & skf21("3","6","7","2","1","7","5","1") = "6"
    & skf21("3","6","7","2","1","7","6","1") = "6"
    & skf21("3","6","7","2","1","7","7","1") = "6"
    & skf21("3","6","7","2","2","1","1","1") = "6"
    & skf21("3","6","7","2","2","1","2","1") = "6"
    & skf21("3","6","7","2","2","1","3","1") = "6"
    & skf21("3","6","7","2","2","1","4","1") = "6"
    & skf21("3","6","7","2","2","1","5","1") = "6"
    & skf21("3","6","7","2","2","1","6","1") = "6"
    & skf21("3","6","7","2","2","1","7","1") = "6"
    & skf21("3","6","7","2","2","2","1","1") = "6"
    & skf21("3","6","7","2","2","2","2","1") = "6"
    & skf21("3","6","7","2","2","2","3","1") = "6"
    & skf21("3","6","7","2","2","2","4","1") = "6"
    & skf21("3","6","7","2","2","2","5","1") = "6"
    & skf21("3","6","7","2","2","2","6","1") = "6"
    & skf21("3","6","7","2","2","2","7","1") = "6"
    & skf21("3","6","7","2","2","3","1","1") = "6"
    & skf21("3","6","7","2","2","3","2","1") = "6"
    & skf21("3","6","7","2","2","3","3","1") = "6"
    & skf21("3","6","7","2","2","3","4","1") = "6"
    & skf21("3","6","7","2","2","3","5","1") = "6"
    & skf21("3","6","7","2","2","3","6","1") = "6"
    & skf21("3","6","7","2","2","3","7","1") = "6"
    & skf21("3","6","7","2","2","4","1","1") = "6"
    & skf21("3","6","7","2","2","4","2","1") = "6"
    & skf21("3","6","7","2","2","4","3","1") = "6"
    & skf21("3","6","7","2","2","4","4","1") = "6"
    & skf21("3","6","7","2","2","4","5","1") = "6"
    & skf21("3","6","7","2","2","4","6","1") = "6"
    & skf21("3","6","7","2","2","4","7","1") = "6"
    & skf21("3","6","7","2","2","5","1","1") = "6"
    & skf21("3","6","7","2","2","5","2","1") = "6"
    & skf21("3","6","7","2","2","5","3","1") = "6"
    & skf21("3","6","7","2","2","5","4","1") = "6"
    & skf21("3","6","7","2","2","5","5","1") = "6"
    & skf21("3","6","7","2","2","5","6","1") = "6"
    & skf21("3","6","7","2","2","5","7","1") = "6"
    & skf21("3","6","7","2","2","6","1","1") = "6"
    & skf21("3","6","7","2","2","6","2","1") = "6"
    & skf21("3","6","7","2","2","6","3","1") = "6"
    & skf21("3","6","7","2","2","6","4","1") = "6"
    & skf21("3","6","7","2","2","6","5","1") = "6"
    & skf21("3","6","7","2","2","6","6","1") = "6"
    & skf21("3","6","7","2","2","6","7","1") = "6"
    & skf21("3","6","7","2","2","7","1","1") = "6"
    & skf21("3","6","7","2","2","7","2","1") = "6"
    & skf21("3","6","7","2","2","7","3","1") = "6"
    & skf21("3","6","7","2","2","7","4","1") = "6"
    & skf21("3","6","7","2","2","7","5","1") = "6"
    & skf21("3","6","7","2","2","7","6","1") = "6"
    & skf21("3","6","7","2","2","7","7","1") = "6"
    & skf21("3","6","7","2","3","1","1","1") = "6"
    & skf21("3","6","7","2","3","1","2","1") = "6"
    & skf21("3","6","7","2","3","1","3","1") = "6"
    & skf21("3","6","7","2","3","1","4","1") = "6"
    & skf21("3","6","7","2","3","1","5","1") = "6"
    & skf21("3","6","7","2","3","1","6","1") = "6"
    & skf21("3","6","7","2","3","1","7","1") = "6"
    & skf21("3","6","7","2","3","2","1","1") = "6"
    & skf21("3","6","7","2","3","2","2","1") = "6"
    & skf21("3","6","7","2","3","2","3","1") = "6"
    & skf21("3","6","7","2","3","2","4","1") = "6"
    & skf21("3","6","7","2","3","2","5","1") = "6"
    & skf21("3","6","7","2","3","2","6","1") = "6"
    & skf21("3","6","7","2","3","2","7","1") = "6"
    & skf21("3","6","7","2","3","3","1","1") = "6"
    & skf21("3","6","7","2","3","3","2","1") = "6"
    & skf21("3","6","7","2","3","3","3","1") = "6"
    & skf21("3","6","7","2","3","3","4","1") = "6"
    & skf21("3","6","7","2","3","3","5","1") = "6"
    & skf21("3","6","7","2","3","3","6","1") = "6"
    & skf21("3","6","7","2","3","3","7","1") = "6"
    & skf21("3","6","7","2","3","4","1","1") = "6"
    & skf21("3","6","7","2","3","4","2","1") = "6"
    & skf21("3","6","7","2","3","4","3","1") = "6"
    & skf21("3","6","7","2","3","4","4","1") = "6"
    & skf21("3","6","7","2","3","4","5","1") = "6"
    & skf21("3","6","7","2","3","4","6","1") = "6"
    & skf21("3","6","7","2","3","4","7","1") = "6"
    & skf21("3","6","7","2","3","5","1","1") = "6"
    & skf21("3","6","7","2","3","5","2","1") = "6"
    & skf21("3","6","7","2","3","5","3","1") = "6"
    & skf21("3","6","7","2","3","5","4","1") = "6"
    & skf21("3","6","7","2","3","5","5","1") = "6"
    & skf21("3","6","7","2","3","5","6","1") = "6"
    & skf21("3","6","7","2","3","5","7","1") = "6"
    & skf21("3","6","7","2","3","6","1","1") = "6"
    & skf21("3","6","7","2","3","6","2","1") = "6"
    & skf21("3","6","7","2","3","6","3","1") = "6"
    & skf21("3","6","7","2","3","6","4","1") = "6"
    & skf21("3","6","7","2","3","6","5","1") = "6"
    & skf21("3","6","7","2","3","6","6","1") = "6"
    & skf21("3","6","7","2","3","6","7","1") = "6"
    & skf21("3","6","7","2","3","7","1","1") = "6"
    & skf21("3","6","7","2","3","7","2","1") = "6"
    & skf21("3","6","7","2","3","7","3","1") = "6"
    & skf21("3","6","7","2","3","7","4","1") = "6"
    & skf21("3","6","7","2","3","7","5","1") = "6"
    & skf21("3","6","7","2","3","7","6","1") = "6"
    & skf21("3","6","7","2","3","7","7","1") = "6"
    & skf21("3","6","7","2","4","1","1","1") = "6"
    & skf21("3","6","7","2","4","1","2","1") = "6"
    & skf21("3","6","7","2","4","1","3","1") = "6"
    & skf21("3","6","7","2","4","1","4","1") = "6"
    & skf21("3","6","7","2","4","1","5","1") = "6"
    & skf21("3","6","7","2","4","1","6","1") = "6"
    & skf21("3","6","7","2","4","1","7","1") = "6"
    & skf21("3","6","7","2","4","2","1","1") = "6"
    & skf21("3","6","7","2","4","2","2","1") = "6"
    & skf21("3","6","7","2","4","2","3","1") = "6"
    & skf21("3","6","7","2","4","2","4","1") = "6"
    & skf21("3","6","7","2","4","2","5","1") = "6"
    & skf21("3","6","7","2","4","2","6","1") = "6"
    & skf21("3","6","7","2","4","2","7","1") = "6"
    & skf21("3","6","7","2","4","3","1","1") = "6"
    & skf21("3","6","7","2","4","3","2","1") = "6"
    & skf21("3","6","7","2","4","3","3","1") = "6"
    & skf21("3","6","7","2","4","3","4","1") = "6"
    & skf21("3","6","7","2","4","3","5","1") = "6"
    & skf21("3","6","7","2","4","3","6","1") = "6"
    & skf21("3","6","7","2","4","3","7","1") = "6"
    & skf21("3","6","7","2","4","4","1","1") = "6"
    & skf21("3","6","7","2","4","4","2","1") = "6"
    & skf21("3","6","7","2","4","4","3","1") = "6"
    & skf21("3","6","7","2","4","4","4","1") = "6"
    & skf21("3","6","7","2","4","4","5","1") = "6"
    & skf21("3","6","7","2","4","4","6","1") = "6"
    & skf21("3","6","7","2","4","4","7","1") = "6"
    & skf21("3","6","7","2","4","5","1","1") = "6"
    & skf21("3","6","7","2","4","5","2","1") = "6"
    & skf21("3","6","7","2","4","5","3","1") = "6"
    & skf21("3","6","7","2","4","5","4","1") = "6"
    & skf21("3","6","7","2","4","5","5","1") = "6"
    & skf21("3","6","7","2","4","5","6","1") = "6"
    & skf21("3","6","7","2","4","5","7","1") = "6"
    & skf21("3","6","7","2","4","6","1","1") = "6"
    & skf21("3","6","7","2","4","6","2","1") = "6"
    & skf21("3","6","7","2","4","6","3","1") = "6"
    & skf21("3","6","7","2","4","6","4","1") = "6"
    & skf21("3","6","7","2","4","6","5","1") = "6"
    & skf21("3","6","7","2","4","6","6","1") = "6"
    & skf21("3","6","7","2","4","6","7","1") = "6"
    & skf21("3","6","7","2","4","7","1","1") = "6"
    & skf21("3","6","7","2","4","7","2","1") = "6"
    & skf21("3","6","7","2","4","7","3","1") = "6"
    & skf21("3","6","7","2","4","7","4","1") = "6"
    & skf21("3","6","7","2","4","7","5","1") = "6"
    & skf21("3","6","7","2","4","7","6","1") = "6"
    & skf21("3","6","7","2","4","7","7","1") = "6"
    & skf21("3","6","7","2","5","1","1","1") = "6"
    & skf21("3","6","7","2","5","1","2","1") = "6"
    & skf21("3","6","7","2","5","1","3","1") = "6"
    & skf21("3","6","7","2","5","1","4","1") = "6"
    & skf21("3","6","7","2","5","1","5","1") = "6"
    & skf21("3","6","7","2","5","1","6","1") = "6"
    & skf21("3","6","7","2","5","1","7","1") = "6"
    & skf21("3","6","7","2","5","2","1","1") = "6"
    & skf21("3","6","7","2","5","2","2","1") = "6"
    & skf21("3","6","7","2","5","2","3","1") = "6"
    & skf21("3","6","7","2","5","2","4","1") = "6"
    & skf21("3","6","7","2","5","2","5","1") = "6"
    & skf21("3","6","7","2","5","2","6","1") = "6"
    & skf21("3","6","7","2","5","2","7","1") = "6"
    & skf21("3","6","7","2","5","3","1","1") = "6"
    & skf21("3","6","7","2","5","3","2","1") = "6"
    & skf21("3","6","7","2","5","3","3","1") = "6"
    & skf21("3","6","7","2","5","3","4","1") = "6"
    & skf21("3","6","7","2","5","3","5","1") = "6"
    & skf21("3","6","7","2","5","3","6","1") = "6"
    & skf21("3","6","7","2","5","3","7","1") = "6"
    & skf21("3","6","7","2","5","4","1","1") = "6"
    & skf21("3","6","7","2","5","4","2","1") = "6"
    & skf21("3","6","7","2","5","4","3","1") = "6"
    & skf21("3","6","7","2","5","4","4","1") = "6"
    & skf21("3","6","7","2","5","4","5","1") = "6"
    & skf21("3","6","7","2","5","4","6","1") = "6"
    & skf21("3","6","7","2","5","4","7","1") = "6"
    & skf21("3","6","7","2","5","5","1","1") = "6"
    & skf21("3","6","7","2","5","5","2","1") = "6"
    & skf21("3","6","7","2","5","5","3","1") = "6"
    & skf21("3","6","7","2","5","5","4","1") = "6"
    & skf21("3","6","7","2","5","5","5","1") = "6"
    & skf21("3","6","7","2","5","5","6","1") = "6"
    & skf21("3","6","7","2","5","5","7","1") = "6"
    & skf21("3","6","7","2","5","6","1","1") = "6"
    & skf21("3","6","7","2","5","6","2","1") = "6"
    & skf21("3","6","7","2","5","6","3","1") = "6"
    & skf21("3","6","7","2","5","6","4","1") = "6"
    & skf21("3","6","7","2","5","6","5","1") = "6"
    & skf21("3","6","7","2","5","6","6","1") = "6"
    & skf21("3","6","7","2","5","6","7","1") = "6"
    & skf21("3","6","7","2","5","7","1","1") = "6"
    & skf21("3","6","7","2","5","7","2","1") = "6"
    & skf21("3","6","7","2","5","7","3","1") = "6"
    & skf21("3","6","7","2","5","7","4","1") = "6"
    & skf21("3","6","7","2","5","7","5","1") = "6"
    & skf21("3","6","7","2","5","7","6","1") = "6"
    & skf21("3","6","7","2","5","7","7","1") = "6"
    & skf21("3","6","7","2","6","1","1","1") = "6"
    & skf21("3","6","7","2","6","1","2","1") = "6"
    & skf21("3","6","7","2","6","1","3","1") = "6"
    & skf21("3","6","7","2","6","1","4","1") = "6"
    & skf21("3","6","7","2","6","1","5","1") = "6"
    & skf21("3","6","7","2","6","1","6","1") = "6"
    & skf21("3","6","7","2","6","1","7","1") = "6"
    & skf21("3","6","7","2","6","2","1","1") = "6"
    & skf21("3","6","7","2","6","2","2","1") = "6"
    & skf21("3","6","7","2","6","2","3","1") = "6"
    & skf21("3","6","7","2","6","2","4","1") = "6"
    & skf21("3","6","7","2","6","2","5","1") = "6"
    & skf21("3","6","7","2","6","2","6","1") = "6"
    & skf21("3","6","7","2","6","2","7","1") = "6"
    & skf21("3","6","7","2","6","3","1","1") = "6"
    & skf21("3","6","7","2","6","3","2","1") = "6"
    & skf21("3","6","7","2","6","3","3","1") = "6"
    & skf21("3","6","7","2","6","3","4","1") = "6"
    & skf21("3","6","7","2","6","3","5","1") = "6"
    & skf21("3","6","7","2","6","3","6","1") = "6"
    & skf21("3","6","7","2","6","3","7","1") = "6"
    & skf21("3","6","7","2","6","4","1","1") = "6"
    & skf21("3","6","7","2","6","4","2","1") = "6"
    & skf21("3","6","7","2","6","4","3","1") = "6"
    & skf21("3","6","7","2","6","4","4","1") = "6"
    & skf21("3","6","7","2","6","4","5","1") = "6"
    & skf21("3","6","7","2","6","4","6","1") = "6"
    & skf21("3","6","7","2","6","4","7","1") = "6"
    & skf21("3","6","7","2","6","5","1","1") = "6"
    & skf21("3","6","7","2","6","5","2","1") = "6"
    & skf21("3","6","7","2","6","5","3","1") = "6"
    & skf21("3","6","7","2","6","5","4","1") = "6"
    & skf21("3","6","7","2","6","5","5","1") = "6"
    & skf21("3","6","7","2","6","5","6","1") = "6"
    & skf21("3","6","7","2","6","5","7","1") = "6"
    & skf21("3","6","7","2","6","6","1","1") = "6"
    & skf21("3","6","7","2","6","6","2","1") = "6"
    & skf21("3","6","7","2","6","6","3","1") = "6"
    & skf21("3","6","7","2","6","6","4","1") = "6"
    & skf21("3","6","7","2","6","6","5","1") = "6"
    & skf21("3","6","7","2","6","6","6","1") = "6"
    & skf21("3","6","7","2","6","6","7","1") = "6"
    & skf21("3","6","7","2","6","7","1","1") = "6"
    & skf21("3","6","7","2","6","7","2","1") = "6"
    & skf21("3","6","7","2","6","7","3","1") = "6"
    & skf21("3","6","7","2","6","7","4","1") = "6"
    & skf21("3","6","7","2","6","7","5","1") = "6"
    & skf21("3","6","7","2","6","7","6","1") = "6"
    & skf21("3","6","7","2","6","7","7","1") = "6"
    & skf21("3","6","7","2","7","1","1","1") = "6"
    & skf21("3","6","7","2","7","1","2","1") = "6"
    & skf21("3","6","7","2","7","1","3","1") = "6"
    & skf21("3","6","7","2","7","1","4","1") = "6"
    & skf21("3","6","7","2","7","1","5","1") = "6"
    & skf21("3","6","7","2","7","1","6","1") = "6"
    & skf21("3","6","7","2","7","1","7","1") = "6"
    & skf21("3","6","7","2","7","2","1","1") = "6"
    & skf21("3","6","7","2","7","2","2","1") = "6"
    & skf21("3","6","7","2","7","2","3","1") = "6"
    & skf21("3","6","7","2","7","2","4","1") = "6"
    & skf21("3","6","7","2","7","2","5","1") = "6"
    & skf21("3","6","7","2","7","2","6","1") = "6"
    & skf21("3","6","7","2","7","2","7","1") = "6"
    & skf21("3","6","7","2","7","3","1","1") = "6"
    & skf21("3","6","7","2","7","3","2","1") = "6"
    & skf21("3","6","7","2","7","3","3","1") = "6"
    & skf21("3","6","7","2","7","3","4","1") = "6"
    & skf21("3","6","7","2","7","3","5","1") = "6"
    & skf21("3","6","7","2","7","3","6","1") = "6"
    & skf21("3","6","7","2","7","3","7","1") = "6"
    & skf21("3","6","7","2","7","4","1","1") = "6"
    & skf21("3","6","7","2","7","4","2","1") = "6"
    & skf21("3","6","7","2","7","4","3","1") = "6"
    & skf21("3","6","7","2","7","4","4","1") = "6"
    & skf21("3","6","7","2","7","4","5","1") = "6"
    & skf21("3","6","7","2","7","4","6","1") = "6"
    & skf21("3","6","7","2","7","4","7","1") = "6"
    & skf21("3","6","7","2","7","5","1","1") = "6"
    & skf21("3","6","7","2","7","5","2","1") = "6"
    & skf21("3","6","7","2","7","5","3","1") = "6"
    & skf21("3","6","7","2","7","5","4","1") = "6"
    & skf21("3","6","7","2","7","5","5","1") = "6"
    & skf21("3","6","7","2","7","5","6","1") = "6"
    & skf21("3","6","7","2","7","5","7","1") = "6"
    & skf21("3","6","7","2","7","6","1","1") = "6"
    & skf21("3","6","7","2","7","6","2","1") = "6"
    & skf21("3","6","7","2","7","6","3","1") = "6"
    & skf21("3","6","7","2","7","6","4","1") = "6"
    & skf21("3","6","7","2","7","6","5","1") = "6"
    & skf21("3","6","7","2","7","6","6","1") = "6"
    & skf21("3","6","7","2","7","6","7","1") = "6"
    & skf21("3","6","7","2","7","7","1","1") = "6"
    & skf21("3","6","7","2","7","7","2","1") = "6"
    & skf21("3","6","7","2","7","7","3","1") = "6"
    & skf21("3","6","7","2","7","7","4","1") = "6"
    & skf21("3","6","7","2","7","7","5","1") = "6"
    & skf21("3","6","7","2","7","7","6","1") = "6"
    & skf21("3","6","7","2","7","7","7","1") = "6"
    & skf21("3","6","7","3","1","1","1","1") = "6"
    & skf21("3","6","7","3","1","1","2","1") = "6"
    & skf21("3","6","7","3","1","1","3","1") = "6"
    & skf21("3","6","7","3","1","1","4","1") = "6"
    & skf21("3","6","7","3","1","1","5","1") = "6"
    & skf21("3","6","7","3","1","1","6","1") = "6"
    & skf21("3","6","7","3","1","1","7","1") = "6"
    & skf21("3","6","7","3","1","2","1","1") = "6"
    & skf21("3","6","7","3","1","2","2","1") = "6"
    & skf21("3","6","7","3","1","2","3","1") = "6"
    & skf21("3","6","7","3","1","2","4","1") = "6"
    & skf21("3","6","7","3","1","2","5","1") = "6"
    & skf21("3","6","7","3","1","2","6","1") = "6"
    & skf21("3","6","7","3","1","2","7","1") = "6"
    & skf21("3","6","7","3","1","3","1","1") = "6"
    & skf21("3","6","7","3","1","3","2","1") = "6"
    & skf21("3","6","7","3","1","3","3","1") = "6"
    & skf21("3","6","7","3","1","3","4","1") = "6"
    & skf21("3","6","7","3","1","3","5","1") = "6"
    & skf21("3","6","7","3","1","3","6","1") = "6"
    & skf21("3","6","7","3","1","3","7","1") = "6"
    & skf21("3","6","7","3","1","4","1","1") = "6"
    & skf21("3","6","7","3","1","4","2","1") = "6"
    & skf21("3","6","7","3","1","4","3","1") = "6"
    & skf21("3","6","7","3","1","4","4","1") = "6"
    & skf21("3","6","7","3","1","4","5","1") = "6"
    & skf21("3","6","7","3","1","4","6","1") = "6"
    & skf21("3","6","7","3","1","4","7","1") = "6"
    & skf21("3","6","7","3","1","5","1","1") = "6"
    & skf21("3","6","7","3","1","5","2","1") = "6"
    & skf21("3","6","7","3","1","5","3","1") = "6"
    & skf21("3","6","7","3","1","5","4","1") = "6"
    & skf21("3","6","7","3","1","5","5","1") = "6"
    & skf21("3","6","7","3","1","5","6","1") = "6"
    & skf21("3","6","7","3","1","5","7","1") = "6"
    & skf21("3","6","7","3","1","6","1","1") = "6"
    & skf21("3","6","7","3","1","6","2","1") = "6"
    & skf21("3","6","7","3","1","6","3","1") = "6"
    & skf21("3","6","7","3","1","6","4","1") = "6"
    & skf21("3","6","7","3","1","6","5","1") = "6"
    & skf21("3","6","7","3","1","6","6","1") = "6"
    & skf21("3","6","7","3","1","6","7","1") = "6"
    & skf21("3","6","7","3","1","7","1","1") = "6"
    & skf21("3","6","7","3","1","7","2","1") = "6"
    & skf21("3","6","7","3","1","7","3","1") = "6"
    & skf21("3","6","7","3","1","7","4","1") = "6"
    & skf21("3","6","7","3","1","7","5","1") = "6"
    & skf21("3","6","7","3","1","7","6","1") = "6"
    & skf21("3","6","7","3","1","7","7","1") = "6"
    & skf21("3","6","7","3","2","1","1","1") = "6"
    & skf21("3","6","7","3","2","1","2","1") = "6"
    & skf21("3","6","7","3","2","1","3","1") = "6"
    & skf21("3","6","7","3","2","1","4","1") = "6"
    & skf21("3","6","7","3","2","1","5","1") = "6"
    & skf21("3","6","7","3","2","1","6","1") = "6"
    & skf21("3","6","7","3","2","1","7","1") = "6"
    & skf21("3","6","7","3","2","2","1","1") = "6"
    & skf21("3","6","7","3","2","2","2","1") = "6"
    & skf21("3","6","7","3","2","2","3","1") = "6"
    & skf21("3","6","7","3","2","2","4","1") = "6"
    & skf21("3","6","7","3","2","2","5","1") = "6"
    & skf21("3","6","7","3","2","2","6","1") = "6"
    & skf21("3","6","7","3","2","2","7","1") = "6"
    & skf21("3","6","7","3","2","3","1","1") = "6"
    & skf21("3","6","7","3","2","3","2","1") = "6"
    & skf21("3","6","7","3","2","3","3","1") = "6"
    & skf21("3","6","7","3","2","3","4","1") = "6"
    & skf21("3","6","7","3","2","3","5","1") = "6"
    & skf21("3","6","7","3","2","3","6","1") = "6"
    & skf21("3","6","7","3","2","3","7","1") = "6"
    & skf21("3","6","7","3","2","4","1","1") = "6"
    & skf21("3","6","7","3","2","4","2","1") = "6"
    & skf21("3","6","7","3","2","4","3","1") = "6"
    & skf21("3","6","7","3","2","4","4","1") = "6"
    & skf21("3","6","7","3","2","4","5","1") = "6"
    & skf21("3","6","7","3","2","4","6","1") = "6"
    & skf21("3","6","7","3","2","4","7","1") = "6"
    & skf21("3","6","7","3","2","5","1","1") = "6"
    & skf21("3","6","7","3","2","5","2","1") = "6"
    & skf21("3","6","7","3","2","5","3","1") = "6"
    & skf21("3","6","7","3","2","5","4","1") = "6"
    & skf21("3","6","7","3","2","5","5","1") = "6"
    & skf21("3","6","7","3","2","5","6","1") = "6"
    & skf21("3","6","7","3","2","5","7","1") = "6"
    & skf21("3","6","7","3","2","6","1","1") = "6"
    & skf21("3","6","7","3","2","6","2","1") = "6"
    & skf21("3","6","7","3","2","6","3","1") = "6"
    & skf21("3","6","7","3","2","6","4","1") = "6"
    & skf21("3","6","7","3","2","6","5","1") = "6"
    & skf21("3","6","7","3","2","6","6","1") = "6"
    & skf21("3","6","7","3","2","6","7","1") = "6"
    & skf21("3","6","7","3","2","7","1","1") = "6"
    & skf21("3","6","7","3","2","7","2","1") = "6"
    & skf21("3","6","7","3","2","7","3","1") = "6"
    & skf21("3","6","7","3","2","7","4","1") = "6"
    & skf21("3","6","7","3","2","7","5","1") = "6"
    & skf21("3","6","7","3","2","7","6","1") = "6"
    & skf21("3","6","7","3","2","7","7","1") = "6"
    & skf21("3","6","7","3","3","1","1","1") = "6"
    & skf21("3","6","7","3","3","1","2","1") = "6"
    & skf21("3","6","7","3","3","1","3","1") = "6"
    & skf21("3","6","7","3","3","1","4","1") = "6"
    & skf21("3","6","7","3","3","1","5","1") = "6"
    & skf21("3","6","7","3","3","1","6","1") = "6"
    & skf21("3","6","7","3","3","1","7","1") = "6"
    & skf21("3","6","7","3","3","2","1","1") = "6"
    & skf21("3","6","7","3","3","2","2","1") = "6"
    & skf21("3","6","7","3","3","2","3","1") = "6"
    & skf21("3","6","7","3","3","2","4","1") = "6"
    & skf21("3","6","7","3","3","2","5","1") = "6"
    & skf21("3","6","7","3","3","2","6","1") = "6"
    & skf21("3","6","7","3","3","2","7","1") = "6"
    & skf21("3","6","7","3","3","3","1","1") = "6"
    & skf21("3","6","7","3","3","3","2","1") = "6"
    & skf21("3","6","7","3","3","3","3","1") = "6"
    & skf21("3","6","7","3","3","3","4","1") = "6"
    & skf21("3","6","7","3","3","3","5","1") = "6"
    & skf21("3","6","7","3","3","3","6","1") = "6"
    & skf21("3","6","7","3","3","3","7","1") = "6"
    & skf21("3","6","7","3","3","4","1","1") = "6"
    & skf21("3","6","7","3","3","4","2","1") = "6"
    & skf21("3","6","7","3","3","4","3","1") = "6"
    & skf21("3","6","7","3","3","4","4","1") = "6"
    & skf21("3","6","7","3","3","4","5","1") = "6"
    & skf21("3","6","7","3","3","4","6","1") = "6"
    & skf21("3","6","7","3","3","4","7","1") = "6"
    & skf21("3","6","7","3","3","5","1","1") = "6"
    & skf21("3","6","7","3","3","5","2","1") = "6"
    & skf21("3","6","7","3","3","5","3","1") = "6"
    & skf21("3","6","7","3","3","5","4","1") = "6"
    & skf21("3","6","7","3","3","5","5","1") = "6"
    & skf21("3","6","7","3","3","5","6","1") = "6"
    & skf21("3","6","7","3","3","5","7","1") = "6"
    & skf21("3","6","7","3","3","6","1","1") = "6"
    & skf21("3","6","7","3","3","6","2","1") = "6"
    & skf21("3","6","7","3","3","6","3","1") = "6"
    & skf21("3","6","7","3","3","6","4","1") = "6"
    & skf21("3","6","7","3","3","6","5","1") = "6"
    & skf21("3","6","7","3","3","6","6","1") = "6"
    & skf21("3","6","7","3","3","6","7","1") = "6"
    & skf21("3","6","7","3","3","7","1","1") = "6"
    & skf21("3","6","7","3","3","7","2","1") = "6"
    & skf21("3","6","7","3","3","7","3","1") = "6"
    & skf21("3","6","7","3","3","7","4","1") = "6"
    & skf21("3","6","7","3","3","7","5","1") = "6"
    & skf21("3","6","7","3","3","7","6","1") = "6"
    & skf21("3","6","7","3","3","7","7","1") = "6"
    & skf21("3","6","7","3","4","1","1","1") = "6"
    & skf21("3","6","7","3","4","1","2","1") = "6"
    & skf21("3","6","7","3","4","1","3","1") = "6"
    & skf21("3","6","7","3","4","1","4","1") = "6"
    & skf21("3","6","7","3","4","1","5","1") = "6"
    & skf21("3","6","7","3","4","1","6","1") = "6"
    & skf21("3","6","7","3","4","1","7","1") = "6"
    & skf21("3","6","7","3","4","2","1","1") = "6"
    & skf21("3","6","7","3","4","2","2","1") = "6"
    & skf21("3","6","7","3","4","2","3","1") = "6"
    & skf21("3","6","7","3","4","2","4","1") = "6"
    & skf21("3","6","7","3","4","2","5","1") = "6"
    & skf21("3","6","7","3","4","2","6","1") = "6"
    & skf21("3","6","7","3","4","2","7","1") = "6"
    & skf21("3","6","7","3","4","3","1","1") = "6"
    & skf21("3","6","7","3","4","3","2","1") = "6"
    & skf21("3","6","7","3","4","3","3","1") = "6"
    & skf21("3","6","7","3","4","3","4","1") = "6"
    & skf21("3","6","7","3","4","3","5","1") = "6"
    & skf21("3","6","7","3","4","3","6","1") = "6"
    & skf21("3","6","7","3","4","3","7","1") = "6"
    & skf21("3","6","7","3","4","4","1","1") = "6"
    & skf21("3","6","7","3","4","4","2","1") = "6"
    & skf21("3","6","7","3","4","4","3","1") = "6"
    & skf21("3","6","7","3","4","4","4","1") = "6"
    & skf21("3","6","7","3","4","4","5","1") = "6"
    & skf21("3","6","7","3","4","4","6","1") = "6"
    & skf21("3","6","7","3","4","4","7","1") = "6"
    & skf21("3","6","7","3","4","5","1","1") = "6"
    & skf21("3","6","7","3","4","5","2","1") = "6"
    & skf21("3","6","7","3","4","5","3","1") = "6"
    & skf21("3","6","7","3","4","5","4","1") = "6"
    & skf21("3","6","7","3","4","5","5","1") = "6"
    & skf21("3","6","7","3","4","5","6","1") = "6"
    & skf21("3","6","7","3","4","5","7","1") = "6"
    & skf21("3","6","7","3","4","6","1","1") = "6"
    & skf21("3","6","7","3","4","6","2","1") = "6"
    & skf21("3","6","7","3","4","6","3","1") = "6"
    & skf21("3","6","7","3","4","6","4","1") = "6"
    & skf21("3","6","7","3","4","6","5","1") = "6"
    & skf21("3","6","7","3","4","6","6","1") = "6"
    & skf21("3","6","7","3","4","6","7","1") = "6"
    & skf21("3","6","7","3","4","7","1","1") = "6"
    & skf21("3","6","7","3","4","7","2","1") = "6"
    & skf21("3","6","7","3","4","7","3","1") = "6"
    & skf21("3","6","7","3","4","7","4","1") = "6"
    & skf21("3","6","7","3","4","7","5","1") = "6"
    & skf21("3","6","7","3","4","7","6","1") = "6"
    & skf21("3","6","7","3","4","7","7","1") = "6"
    & skf21("3","6","7","3","5","1","1","1") = "6"
    & skf21("3","6","7","3","5","1","2","1") = "6"
    & skf21("3","6","7","3","5","1","3","1") = "6"
    & skf21("3","6","7","3","5","1","4","1") = "6"
    & skf21("3","6","7","3","5","1","5","1") = "6"
    & skf21("3","6","7","3","5","1","6","1") = "6"
    & skf21("3","6","7","3","5","1","7","1") = "6"
    & skf21("3","6","7","3","5","2","1","1") = "6"
    & skf21("3","6","7","3","5","2","2","1") = "6"
    & skf21("3","6","7","3","5","2","3","1") = "6"
    & skf21("3","6","7","3","5","2","4","1") = "6"
    & skf21("3","6","7","3","5","2","5","1") = "6"
    & skf21("3","6","7","3","5","2","6","1") = "6"
    & skf21("3","6","7","3","5","2","7","1") = "6"
    & skf21("3","6","7","3","5","3","1","1") = "6"
    & skf21("3","6","7","3","5","3","2","1") = "6"
    & skf21("3","6","7","3","5","3","3","1") = "6"
    & skf21("3","6","7","3","5","3","4","1") = "6"
    & skf21("3","6","7","3","5","3","5","1") = "6"
    & skf21("3","6","7","3","5","3","6","1") = "6"
    & skf21("3","6","7","3","5","3","7","1") = "6"
    & skf21("3","6","7","3","5","4","1","1") = "6"
    & skf21("3","6","7","3","5","4","2","1") = "6"
    & skf21("3","6","7","3","5","4","3","1") = "6"
    & skf21("3","6","7","3","5","4","4","1") = "6"
    & skf21("3","6","7","3","5","4","5","1") = "6"
    & skf21("3","6","7","3","5","4","6","1") = "6"
    & skf21("3","6","7","3","5","4","7","1") = "6"
    & skf21("3","6","7","3","5","5","1","1") = "6"
    & skf21("3","6","7","3","5","5","2","1") = "6"
    & skf21("3","6","7","3","5","5","3","1") = "6"
    & skf21("3","6","7","3","5","5","4","1") = "6"
    & skf21("3","6","7","3","5","5","5","1") = "6"
    & skf21("3","6","7","3","5","5","6","1") = "6"
    & skf21("3","6","7","3","5","5","7","1") = "6"
    & skf21("3","6","7","3","5","6","1","1") = "6"
    & skf21("3","6","7","3","5","6","2","1") = "6"
    & skf21("3","6","7","3","5","6","3","1") = "6"
    & skf21("3","6","7","3","5","6","4","1") = "6"
    & skf21("3","6","7","3","5","6","5","1") = "6"
    & skf21("3","6","7","3","5","6","6","1") = "6"
    & skf21("3","6","7","3","5","6","7","1") = "6"
    & skf21("3","6","7","3","5","7","1","1") = "6"
    & skf21("3","6","7","3","5","7","2","1") = "6"
    & skf21("3","6","7","3","5","7","3","1") = "6"
    & skf21("3","6","7","3","5","7","4","1") = "6"
    & skf21("3","6","7","3","5","7","5","1") = "6"
    & skf21("3","6","7","3","5","7","6","1") = "6"
    & skf21("3","6","7","3","5","7","7","1") = "6"
    & skf21("3","6","7","3","6","1","1","1") = "6"
    & skf21("3","6","7","3","6","1","2","1") = "6"
    & skf21("3","6","7","3","6","1","3","1") = "6"
    & skf21("3","6","7","3","6","1","4","1") = "6"
    & skf21("3","6","7","3","6","1","5","1") = "6"
    & skf21("3","6","7","3","6","1","6","1") = "6"
    & skf21("3","6","7","3","6","1","7","1") = "6"
    & skf21("3","6","7","3","6","2","1","1") = "6"
    & skf21("3","6","7","3","6","2","2","1") = "6"
    & skf21("3","6","7","3","6","2","3","1") = "6"
    & skf21("3","6","7","3","6","2","4","1") = "6"
    & skf21("3","6","7","3","6","2","5","1") = "6"
    & skf21("3","6","7","3","6","2","6","1") = "6"
    & skf21("3","6","7","3","6","2","7","1") = "6"
    & skf21("3","6","7","3","6","3","1","1") = "6"
    & skf21("3","6","7","3","6","3","2","1") = "6"
    & skf21("3","6","7","3","6","3","3","1") = "6"
    & skf21("3","6","7","3","6","3","4","1") = "6"
    & skf21("3","6","7","3","6","3","5","1") = "6"
    & skf21("3","6","7","3","6","3","6","1") = "6"
    & skf21("3","6","7","3","6","3","7","1") = "6"
    & skf21("3","6","7","3","6","4","1","1") = "6"
    & skf21("3","6","7","3","6","4","2","1") = "6"
    & skf21("3","6","7","3","6","4","3","1") = "6"
    & skf21("3","6","7","3","6","4","4","1") = "6"
    & skf21("3","6","7","3","6","4","5","1") = "6"
    & skf21("3","6","7","3","6","4","6","1") = "6"
    & skf21("3","6","7","3","6","4","7","1") = "6"
    & skf21("3","6","7","3","6","5","1","1") = "6"
    & skf21("3","6","7","3","6","5","2","1") = "6"
    & skf21("3","6","7","3","6","5","3","1") = "6"
    & skf21("3","6","7","3","6","5","4","1") = "6"
    & skf21("3","6","7","3","6","5","5","1") = "6"
    & skf21("3","6","7","3","6","5","6","1") = "6"
    & skf21("3","6","7","3","6","5","7","1") = "6"
    & skf21("3","6","7","3","6","6","1","1") = "6"
    & skf21("3","6","7","3","6","6","2","1") = "6"
    & skf21("3","6","7","3","6","6","3","1") = "6"
    & skf21("3","6","7","3","6","6","4","1") = "6"
    & skf21("3","6","7","3","6","6","5","1") = "6"
    & skf21("3","6","7","3","6","6","6","1") = "6"
    & skf21("3","6","7","3","6","6","7","1") = "6"
    & skf21("3","6","7","3","6","7","1","1") = "6"
    & skf21("3","6","7","3","6","7","2","1") = "6"
    & skf21("3","6","7","3","6","7","3","1") = "6"
    & skf21("3","6","7","3","6","7","4","1") = "6"
    & skf21("3","6","7","3","6","7","5","1") = "6"
    & skf21("3","6","7","3","6","7","6","1") = "6"
    & skf21("3","6","7","3","6","7","7","1") = "6"
    & skf21("3","6","7","3","7","1","1","1") = "6"
    & skf21("3","6","7","3","7","1","2","1") = "6"
    & skf21("3","6","7","3","7","1","3","1") = "6"
    & skf21("3","6","7","3","7","1","4","1") = "6"
    & skf21("3","6","7","3","7","1","5","1") = "6"
    & skf21("3","6","7","3","7","1","6","1") = "6"
    & skf21("3","6","7","3","7","1","7","1") = "6"
    & skf21("3","6","7","3","7","2","1","1") = "6"
    & skf21("3","6","7","3","7","2","2","1") = "6"
    & skf21("3","6","7","3","7","2","3","1") = "6"
    & skf21("3","6","7","3","7","2","4","1") = "6"
    & skf21("3","6","7","3","7","2","5","1") = "6"
    & skf21("3","6","7","3","7","2","6","1") = "6"
    & skf21("3","6","7","3","7","2","7","1") = "6"
    & skf21("3","6","7","3","7","3","1","1") = "6"
    & skf21("3","6","7","3","7","3","2","1") = "6"
    & skf21("3","6","7","3","7","3","3","1") = "6"
    & skf21("3","6","7","3","7","3","4","1") = "6"
    & skf21("3","6","7","3","7","3","5","1") = "6"
    & skf21("3","6","7","3","7","3","6","1") = "6"
    & skf21("3","6","7","3","7","3","7","1") = "6"
    & skf21("3","6","7","3","7","4","1","1") = "6"
    & skf21("3","6","7","3","7","4","2","1") = "6"
    & skf21("3","6","7","3","7","4","3","1") = "6"
    & skf21("3","6","7","3","7","4","4","1") = "6"
    & skf21("3","6","7","3","7","4","5","1") = "6"
    & skf21("3","6","7","3","7","4","6","1") = "6"
    & skf21("3","6","7","3","7","4","7","1") = "6"
    & skf21("3","6","7","3","7","5","1","1") = "6"
    & skf21("3","6","7","3","7","5","2","1") = "6"
    & skf21("3","6","7","3","7","5","3","1") = "6"
    & skf21("3","6","7","3","7","5","4","1") = "6"
    & skf21("3","6","7","3","7","5","5","1") = "6"
    & skf21("3","6","7","3","7","5","6","1") = "6"
    & skf21("3","6","7","3","7","5","7","1") = "6"
    & skf21("3","6","7","3","7","6","1","1") = "6"
    & skf21("3","6","7","3","7","6","2","1") = "6"
    & skf21("3","6","7","3","7","6","3","1") = "6"
    & skf21("3","6","7","3","7","6","4","1") = "6"
    & skf21("3","6","7","3","7","6","5","1") = "6"
    & skf21("3","6","7","3","7","6","6","1") = "6"
    & skf21("3","6","7","3","7","6","7","1") = "6"
    & skf21("3","6","7","3","7","7","1","1") = "6"
    & skf21("3","6","7","3","7","7","2","1") = "6"
    & skf21("3","6","7","3","7","7","3","1") = "6"
    & skf21("3","6","7","3","7","7","4","1") = "6"
    & skf21("3","6","7","3","7","7","5","1") = "6"
    & skf21("3","6","7","3","7","7","6","1") = "6"
    & skf21("3","6","7","3","7","7","7","1") = "6"
    & skf21("3","6","7","4","1","1","1","1") = "6"
    & skf21("3","6","7","4","1","1","2","1") = "6"
    & skf21("3","6","7","4","1","1","3","1") = "6"
    & skf21("3","6","7","4","1","1","4","1") = "6"
    & skf21("3","6","7","4","1","1","5","1") = "6"
    & skf21("3","6","7","4","1","1","6","1") = "6"
    & skf21("3","6","7","4","1","1","7","1") = "6"
    & skf21("3","6","7","4","1","2","1","1") = "6"
    & skf21("3","6","7","4","1","2","2","1") = "6"
    & skf21("3","6","7","4","1","2","3","1") = "6"
    & skf21("3","6","7","4","1","2","4","1") = "6"
    & skf21("3","6","7","4","1","2","5","1") = "6"
    & skf21("3","6","7","4","1","2","6","1") = "6"
    & skf21("3","6","7","4","1","2","7","1") = "6"
    & skf21("3","6","7","4","1","3","1","1") = "6"
    & skf21("3","6","7","4","1","3","2","1") = "6"
    & skf21("3","6","7","4","1","3","3","1") = "6"
    & skf21("3","6","7","4","1","3","4","1") = "6"
    & skf21("3","6","7","4","1","3","5","1") = "6"
    & skf21("3","6","7","4","1","3","6","1") = "6"
    & skf21("3","6","7","4","1","3","7","1") = "6"
    & skf21("3","6","7","4","1","4","1","1") = "6"
    & skf21("3","6","7","4","1","4","2","1") = "6"
    & skf21("3","6","7","4","1","4","3","1") = "6"
    & skf21("3","6","7","4","1","4","4","1") = "6"
    & skf21("3","6","7","4","1","4","5","1") = "6"
    & skf21("3","6","7","4","1","4","6","1") = "6"
    & skf21("3","6","7","4","1","4","7","1") = "6"
    & skf21("3","6","7","4","1","5","1","1") = "6"
    & skf21("3","6","7","4","1","5","2","1") = "6"
    & skf21("3","6","7","4","1","5","3","1") = "6"
    & skf21("3","6","7","4","1","5","4","1") = "6"
    & skf21("3","6","7","4","1","5","5","1") = "6"
    & skf21("3","6","7","4","1","5","6","1") = "6"
    & skf21("3","6","7","4","1","5","7","1") = "6"
    & skf21("3","6","7","4","1","6","1","1") = "6"
    & skf21("3","6","7","4","1","6","2","1") = "6"
    & skf21("3","6","7","4","1","6","3","1") = "6"
    & skf21("3","6","7","4","1","6","4","1") = "6"
    & skf21("3","6","7","4","1","6","5","1") = "6"
    & skf21("3","6","7","4","1","6","6","1") = "6"
    & skf21("3","6","7","4","1","6","7","1") = "6"
    & skf21("3","6","7","4","1","7","1","1") = "6"
    & skf21("3","6","7","4","1","7","2","1") = "6"
    & skf21("3","6","7","4","1","7","3","1") = "6"
    & skf21("3","6","7","4","1","7","4","1") = "6"
    & skf21("3","6","7","4","1","7","5","1") = "6"
    & skf21("3","6","7","4","1","7","6","1") = "6"
    & skf21("3","6","7","4","1","7","7","1") = "6"
    & skf21("3","6","7","4","2","1","1","1") = "6"
    & skf21("3","6","7","4","2","1","2","1") = "6"
    & skf21("3","6","7","4","2","1","3","1") = "6"
    & skf21("3","6","7","4","2","1","4","1") = "6"
    & skf21("3","6","7","4","2","1","5","1") = "6"
    & skf21("3","6","7","4","2","1","6","1") = "6"
    & skf21("3","6","7","4","2","1","7","1") = "6"
    & skf21("3","6","7","4","2","2","1","1") = "6"
    & skf21("3","6","7","4","2","2","2","1") = "6"
    & skf21("3","6","7","4","2","2","3","1") = "6"
    & skf21("3","6","7","4","2","2","4","1") = "6"
    & skf21("3","6","7","4","2","2","5","1") = "6"
    & skf21("3","6","7","4","2","2","6","1") = "6"
    & skf21("3","6","7","4","2","2","7","1") = "6"
    & skf21("3","6","7","4","2","3","1","1") = "6"
    & skf21("3","6","7","4","2","3","2","1") = "6"
    & skf21("3","6","7","4","2","3","3","1") = "6"
    & skf21("3","6","7","4","2","3","4","1") = "6"
    & skf21("3","6","7","4","2","3","5","1") = "6"
    & skf21("3","6","7","4","2","3","6","1") = "6"
    & skf21("3","6","7","4","2","3","7","1") = "6"
    & skf21("3","6","7","4","2","4","1","1") = "6"
    & skf21("3","6","7","4","2","4","2","1") = "6"
    & skf21("3","6","7","4","2","4","3","1") = "6"
    & skf21("3","6","7","4","2","4","4","1") = "6"
    & skf21("3","6","7","4","2","4","5","1") = "6"
    & skf21("3","6","7","4","2","4","6","1") = "6"
    & skf21("3","6","7","4","2","4","7","1") = "6"
    & skf21("3","6","7","4","2","5","1","1") = "6"
    & skf21("3","6","7","4","2","5","2","1") = "6"
    & skf21("3","6","7","4","2","5","3","1") = "6"
    & skf21("3","6","7","4","2","5","4","1") = "6"
    & skf21("3","6","7","4","2","5","5","1") = "6"
    & skf21("3","6","7","4","2","5","6","1") = "6"
    & skf21("3","6","7","4","2","5","7","1") = "6"
    & skf21("3","6","7","4","2","6","1","1") = "6"
    & skf21("3","6","7","4","2","6","2","1") = "6"
    & skf21("3","6","7","4","2","6","3","1") = "6"
    & skf21("3","6","7","4","2","6","4","1") = "6"
    & skf21("3","6","7","4","2","6","5","1") = "6"
    & skf21("3","6","7","4","2","6","6","1") = "6"
    & skf21("3","6","7","4","2","6","7","1") = "6"
    & skf21("3","6","7","4","2","7","1","1") = "6"
    & skf21("3","6","7","4","2","7","2","1") = "6"
    & skf21("3","6","7","4","2","7","3","1") = "6"
    & skf21("3","6","7","4","2","7","4","1") = "6"
    & skf21("3","6","7","4","2","7","5","1") = "6"
    & skf21("3","6","7","4","2","7","6","1") = "6"
    & skf21("3","6","7","4","2","7","7","1") = "6"
    & skf21("3","6","7","4","3","1","1","1") = "6"
    & skf21("3","6","7","4","3","1","2","1") = "6"
    & skf21("3","6","7","4","3","1","3","1") = "6"
    & skf21("3","6","7","4","3","1","4","1") = "6"
    & skf21("3","6","7","4","3","1","5","1") = "6"
    & skf21("3","6","7","4","3","1","6","1") = "6"
    & skf21("3","6","7","4","3","1","7","1") = "6"
    & skf21("3","6","7","4","3","2","1","1") = "6"
    & skf21("3","6","7","4","3","2","2","1") = "6"
    & skf21("3","6","7","4","3","2","3","1") = "6"
    & skf21("3","6","7","4","3","2","4","1") = "6"
    & skf21("3","6","7","4","3","2","5","1") = "6"
    & skf21("3","6","7","4","3","2","6","1") = "6"
    & skf21("3","6","7","4","3","2","7","1") = "6"
    & skf21("3","6","7","4","3","3","1","1") = "6"
    & skf21("3","6","7","4","3","3","2","1") = "6"
    & skf21("3","6","7","4","3","3","3","1") = "6"
    & skf21("3","6","7","4","3","3","4","1") = "6"
    & skf21("3","6","7","4","3","3","5","1") = "6"
    & skf21("3","6","7","4","3","3","6","1") = "6"
    & skf21("3","6","7","4","3","3","7","1") = "6"
    & skf21("3","6","7","4","3","4","1","1") = "6"
    & skf21("3","6","7","4","3","4","2","1") = "6"
    & skf21("3","6","7","4","3","4","3","1") = "6"
    & skf21("3","6","7","4","3","4","4","1") = "6"
    & skf21("3","6","7","4","3","4","5","1") = "6"
    & skf21("3","6","7","4","3","4","6","1") = "6"
    & skf21("3","6","7","4","3","4","7","1") = "6"
    & skf21("3","6","7","4","3","5","1","1") = "6"
    & skf21("3","6","7","4","3","5","2","1") = "6"
    & skf21("3","6","7","4","3","5","3","1") = "6"
    & skf21("3","6","7","4","3","5","4","1") = "6"
    & skf21("3","6","7","4","3","5","5","1") = "6"
    & skf21("3","6","7","4","3","5","6","1") = "6"
    & skf21("3","6","7","4","3","5","7","1") = "6"
    & skf21("3","6","7","4","3","6","1","1") = "6"
    & skf21("3","6","7","4","3","6","2","1") = "6"
    & skf21("3","6","7","4","3","6","3","1") = "6"
    & skf21("3","6","7","4","3","6","4","1") = "6"
    & skf21("3","6","7","4","3","6","5","1") = "6"
    & skf21("3","6","7","4","3","6","6","1") = "6"
    & skf21("3","6","7","4","3","6","7","1") = "6"
    & skf21("3","6","7","4","3","7","1","1") = "6"
    & skf21("3","6","7","4","3","7","2","1") = "6"
    & skf21("3","6","7","4","3","7","3","1") = "6"
    & skf21("3","6","7","4","3","7","4","1") = "6"
    & skf21("3","6","7","4","3","7","5","1") = "6"
    & skf21("3","6","7","4","3","7","6","1") = "6"
    & skf21("3","6","7","4","3","7","7","1") = "6"
    & skf21("3","6","7","4","4","1","1","1") = "6"
    & skf21("3","6","7","4","4","1","2","1") = "6"
    & skf21("3","6","7","4","4","1","3","1") = "6"
    & skf21("3","6","7","4","4","1","4","1") = "6"
    & skf21("3","6","7","4","4","1","5","1") = "6"
    & skf21("3","6","7","4","4","1","6","1") = "6"
    & skf21("3","6","7","4","4","1","7","1") = "6"
    & skf21("3","6","7","4","4","2","1","1") = "6"
    & skf21("3","6","7","4","4","2","2","1") = "6"
    & skf21("3","6","7","4","4","2","3","1") = "6"
    & skf21("3","6","7","4","4","2","4","1") = "6"
    & skf21("3","6","7","4","4","2","5","1") = "6"
    & skf21("3","6","7","4","4","2","6","1") = "6"
    & skf21("3","6","7","4","4","2","7","1") = "6"
    & skf21("3","6","7","4","4","3","1","1") = "6"
    & skf21("3","6","7","4","4","3","2","1") = "6"
    & skf21("3","6","7","4","4","3","3","1") = "6"
    & skf21("3","6","7","4","4","3","4","1") = "6"
    & skf21("3","6","7","4","4","3","5","1") = "6"
    & skf21("3","6","7","4","4","3","6","1") = "6"
    & skf21("3","6","7","4","4","3","7","1") = "6"
    & skf21("3","6","7","4","4","4","1","1") = "6"
    & skf21("3","6","7","4","4","4","2","1") = "6"
    & skf21("3","6","7","4","4","4","3","1") = "6"
    & skf21("3","6","7","4","4","4","4","1") = "6"
    & skf21("3","6","7","4","4","4","5","1") = "6"
    & skf21("3","6","7","4","4","4","6","1") = "6"
    & skf21("3","6","7","4","4","4","7","1") = "6"
    & skf21("3","6","7","4","4","5","1","1") = "6"
    & skf21("3","6","7","4","4","5","2","1") = "6"
    & skf21("3","6","7","4","4","5","3","1") = "6"
    & skf21("3","6","7","4","4","5","4","1") = "6"
    & skf21("3","6","7","4","4","5","5","1") = "6"
    & skf21("3","6","7","4","4","5","6","1") = "6"
    & skf21("3","6","7","4","4","5","7","1") = "6"
    & skf21("3","6","7","4","4","6","1","1") = "6"
    & skf21("3","6","7","4","4","6","2","1") = "6"
    & skf21("3","6","7","4","4","6","3","1") = "6"
    & skf21("3","6","7","4","4","6","4","1") = "6"
    & skf21("3","6","7","4","4","6","5","1") = "6"
    & skf21("3","6","7","4","4","6","6","1") = "6"
    & skf21("3","6","7","4","4","6","7","1") = "6"
    & skf21("3","6","7","4","4","7","1","1") = "6"
    & skf21("3","6","7","4","4","7","2","1") = "6"
    & skf21("3","6","7","4","4","7","3","1") = "6"
    & skf21("3","6","7","4","4","7","4","1") = "6"
    & skf21("3","6","7","4","4","7","5","1") = "6"
    & skf21("3","6","7","4","4","7","6","1") = "6"
    & skf21("3","6","7","4","4","7","7","1") = "6"
    & skf21("3","6","7","4","5","1","1","1") = "6"
    & skf21("3","6","7","4","5","1","2","1") = "6"
    & skf21("3","6","7","4","5","1","3","1") = "6"
    & skf21("3","6","7","4","5","1","4","1") = "6"
    & skf21("3","6","7","4","5","1","5","1") = "6"
    & skf21("3","6","7","4","5","1","6","1") = "6"
    & skf21("3","6","7","4","5","1","7","1") = "6"
    & skf21("3","6","7","4","5","2","1","1") = "6"
    & skf21("3","6","7","4","5","2","2","1") = "6"
    & skf21("3","6","7","4","5","2","3","1") = "6"
    & skf21("3","6","7","4","5","2","4","1") = "6"
    & skf21("3","6","7","4","5","2","5","1") = "6"
    & skf21("3","6","7","4","5","2","6","1") = "6"
    & skf21("3","6","7","4","5","2","7","1") = "6"
    & skf21("3","6","7","4","5","3","1","1") = "6"
    & skf21("3","6","7","4","5","3","2","1") = "6"
    & skf21("3","6","7","4","5","3","3","1") = "6"
    & skf21("3","6","7","4","5","3","4","1") = "6"
    & skf21("3","6","7","4","5","3","5","1") = "6"
    & skf21("3","6","7","4","5","3","6","1") = "6"
    & skf21("3","6","7","4","5","3","7","1") = "6"
    & skf21("3","6","7","4","5","4","1","1") = "6"
    & skf21("3","6","7","4","5","4","2","1") = "6"
    & skf21("3","6","7","4","5","4","3","1") = "6"
    & skf21("3","6","7","4","5","4","4","1") = "6"
    & skf21("3","6","7","4","5","4","5","1") = "6"
    & skf21("3","6","7","4","5","4","6","1") = "6"
    & skf21("3","6","7","4","5","4","7","1") = "6"
    & skf21("3","6","7","4","5","5","1","1") = "6"
    & skf21("3","6","7","4","5","5","2","1") = "6"
    & skf21("3","6","7","4","5","5","3","1") = "6"
    & skf21("3","6","7","4","5","5","4","1") = "6"
    & skf21("3","6","7","4","5","5","5","1") = "6"
    & skf21("3","6","7","4","5","5","6","1") = "6"
    & skf21("3","6","7","4","5","5","7","1") = "6"
    & skf21("3","6","7","4","5","6","1","1") = "6"
    & skf21("3","6","7","4","5","6","2","1") = "6"
    & skf21("3","6","7","4","5","6","3","1") = "6"
    & skf21("3","6","7","4","5","6","4","1") = "6"
    & skf21("3","6","7","4","5","6","5","1") = "6"
    & skf21("3","6","7","4","5","6","6","1") = "6"
    & skf21("3","6","7","4","5","6","7","1") = "6"
    & skf21("3","6","7","4","5","7","1","1") = "6"
    & skf21("3","6","7","4","5","7","2","1") = "6"
    & skf21("3","6","7","4","5","7","3","1") = "6"
    & skf21("3","6","7","4","5","7","4","1") = "6"
    & skf21("3","6","7","4","5","7","5","1") = "6"
    & skf21("3","6","7","4","5","7","6","1") = "6"
    & skf21("3","6","7","4","5","7","7","1") = "6"
    & skf21("3","6","7","4","6","1","1","1") = "6"
    & skf21("3","6","7","4","6","1","2","1") = "6"
    & skf21("3","6","7","4","6","1","3","1") = "6"
    & skf21("3","6","7","4","6","1","4","1") = "6"
    & skf21("3","6","7","4","6","1","5","1") = "6"
    & skf21("3","6","7","4","6","1","6","1") = "6"
    & skf21("3","6","7","4","6","1","7","1") = "6"
    & skf21("3","6","7","4","6","2","1","1") = "6"
    & skf21("3","6","7","4","6","2","2","1") = "6"
    & skf21("3","6","7","4","6","2","3","1") = "6"
    & skf21("3","6","7","4","6","2","4","1") = "6"
    & skf21("3","6","7","4","6","2","5","1") = "6"
    & skf21("3","6","7","4","6","2","6","1") = "6"
    & skf21("3","6","7","4","6","2","7","1") = "6"
    & skf21("3","6","7","4","6","3","1","1") = "6"
    & skf21("3","6","7","4","6","3","2","1") = "6"
    & skf21("3","6","7","4","6","3","3","1") = "6"
    & skf21("3","6","7","4","6","3","4","1") = "6"
    & skf21("3","6","7","4","6","3","5","1") = "6"
    & skf21("3","6","7","4","6","3","6","1") = "6"
    & skf21("3","6","7","4","6","3","7","1") = "6"
    & skf21("3","6","7","4","6","4","1","1") = "6"
    & skf21("3","6","7","4","6","4","2","1") = "6"
    & skf21("3","6","7","4","6","4","3","1") = "6"
    & skf21("3","6","7","4","6","4","4","1") = "6"
    & skf21("3","6","7","4","6","4","5","1") = "6"
    & skf21("3","6","7","4","6","4","6","1") = "6"
    & skf21("3","6","7","4","6","4","7","1") = "6"
    & skf21("3","6","7","4","6","5","1","1") = "6"
    & skf21("3","6","7","4","6","5","2","1") = "6"
    & skf21("3","6","7","4","6","5","3","1") = "6"
    & skf21("3","6","7","4","6","5","4","1") = "6"
    & skf21("3","6","7","4","6","5","5","1") = "6"
    & skf21("3","6","7","4","6","5","6","1") = "6"
    & skf21("3","6","7","4","6","5","7","1") = "6"
    & skf21("3","6","7","4","6","6","1","1") = "6"
    & skf21("3","6","7","4","6","6","2","1") = "6"
    & skf21("3","6","7","4","6","6","3","1") = "6"
    & skf21("3","6","7","4","6","6","4","1") = "6"
    & skf21("3","6","7","4","6","6","5","1") = "6"
    & skf21("3","6","7","4","6","6","6","1") = "6"
    & skf21("3","6","7","4","6","6","7","1") = "6"
    & skf21("3","6","7","4","6","7","1","1") = "6"
    & skf21("3","6","7","4","6","7","2","1") = "6"
    & skf21("3","6","7","4","6","7","3","1") = "6"
    & skf21("3","6","7","4","6","7","4","1") = "6"
    & skf21("3","6","7","4","6","7","5","1") = "6"
    & skf21("3","6","7","4","6","7","6","1") = "6"
    & skf21("3","6","7","4","6","7","7","1") = "6"
    & skf21("3","6","7","4","7","1","1","1") = "6"
    & skf21("3","6","7","4","7","1","2","1") = "6"
    & skf21("3","6","7","4","7","1","3","1") = "6"
    & skf21("3","6","7","4","7","1","4","1") = "6"
    & skf21("3","6","7","4","7","1","5","1") = "6"
    & skf21("3","6","7","4","7","1","6","1") = "6"
    & skf21("3","6","7","4","7","1","7","1") = "6"
    & skf21("3","6","7","4","7","2","1","1") = "6"
    & skf21("3","6","7","4","7","2","2","1") = "6"
    & skf21("3","6","7","4","7","2","3","1") = "6"
    & skf21("3","6","7","4","7","2","4","1") = "6"
    & skf21("3","6","7","4","7","2","5","1") = "6"
    & skf21("3","6","7","4","7","2","6","1") = "6"
    & skf21("3","6","7","4","7","2","7","1") = "6"
    & skf21("3","6","7","4","7","3","1","1") = "6"
    & skf21("3","6","7","4","7","3","2","1") = "6"
    & skf21("3","6","7","4","7","3","3","1") = "6"
    & skf21("3","6","7","4","7","3","4","1") = "6"
    & skf21("3","6","7","4","7","3","5","1") = "6"
    & skf21("3","6","7","4","7","3","6","1") = "6"
    & skf21("3","6","7","4","7","3","7","1") = "6"
    & skf21("3","6","7","4","7","4","1","1") = "6"
    & skf21("3","6","7","4","7","4","2","1") = "6"
    & skf21("3","6","7","4","7","4","3","1") = "6"
    & skf21("3","6","7","4","7","4","4","1") = "6"
    & skf21("3","6","7","4","7","4","5","1") = "6"
    & skf21("3","6","7","4","7","4","6","1") = "6"
    & skf21("3","6","7","4","7","4","7","1") = "6"
    & skf21("3","6","7","4","7","5","1","1") = "6"
    & skf21("3","6","7","4","7","5","2","1") = "6"
    & skf21("3","6","7","4","7","5","3","1") = "6"
    & skf21("3","6","7","4","7","5","4","1") = "6"
    & skf21("3","6","7","4","7","5","5","1") = "6"
    & skf21("3","6","7","4","7","5","6","1") = "6"
    & skf21("3","6","7","4","7","5","7","1") = "6"
    & skf21("3","6","7","4","7","6","1","1") = "6"
    & skf21("3","6","7","4","7","6","2","1") = "6"
    & skf21("3","6","7","4","7","6","3","1") = "6"
    & skf21("3","6","7","4","7","6","4","1") = "6"
    & skf21("3","6","7","4","7","6","5","1") = "6"
    & skf21("3","6","7","4","7","6","6","1") = "6"
    & skf21("3","6","7","4","7","6","7","1") = "6"
    & skf21("3","6","7","4","7","7","1","1") = "6"
    & skf21("3","6","7","4","7","7","2","1") = "6"
    & skf21("3","6","7","4","7","7","3","1") = "6"
    & skf21("3","6","7","4","7","7","4","1") = "6"
    & skf21("3","6","7","4","7","7","5","1") = "6"
    & skf21("3","6","7","4","7","7","6","1") = "6"
    & skf21("3","6","7","4","7","7","7","1") = "6"
    & skf21("3","6","7","5","1","1","1","1") = "6"
    & skf21("3","6","7","5","1","1","2","1") = "6"
    & skf21("3","6","7","5","1","1","3","1") = "6"
    & skf21("3","6","7","5","1","1","4","1") = "6"
    & skf21("3","6","7","5","1","1","5","1") = "6"
    & skf21("3","6","7","5","1","1","6","1") = "6"
    & skf21("3","6","7","5","1","1","7","1") = "6"
    & skf21("3","6","7","5","1","2","1","1") = "6"
    & skf21("3","6","7","5","1","2","2","1") = "6"
    & skf21("3","6","7","5","1","2","3","1") = "6"
    & skf21("3","6","7","5","1","2","4","1") = "6"
    & skf21("3","6","7","5","1","2","5","1") = "6"
    & skf21("3","6","7","5","1","2","6","1") = "6"
    & skf21("3","6","7","5","1","2","7","1") = "6"
    & skf21("3","6","7","5","1","3","1","1") = "6"
    & skf21("3","6","7","5","1","3","2","1") = "6"
    & skf21("3","6","7","5","1","3","3","1") = "6"
    & skf21("3","6","7","5","1","3","4","1") = "6"
    & skf21("3","6","7","5","1","3","5","1") = "6"
    & skf21("3","6","7","5","1","3","6","1") = "6"
    & skf21("3","6","7","5","1","3","7","1") = "6"
    & skf21("3","6","7","5","1","4","1","1") = "6"
    & skf21("3","6","7","5","1","4","2","1") = "6"
    & skf21("3","6","7","5","1","4","3","1") = "6"
    & skf21("3","6","7","5","1","4","4","1") = "6"
    & skf21("3","6","7","5","1","4","5","1") = "6"
    & skf21("3","6","7","5","1","4","6","1") = "6"
    & skf21("3","6","7","5","1","4","7","1") = "6"
    & skf21("3","6","7","5","1","5","1","1") = "6"
    & skf21("3","6","7","5","1","5","2","1") = "6"
    & skf21("3","6","7","5","1","5","3","1") = "6"
    & skf21("3","6","7","5","1","5","4","1") = "6"
    & skf21("3","6","7","5","1","5","5","1") = "6"
    & skf21("3","6","7","5","1","5","6","1") = "6"
    & skf21("3","6","7","5","1","5","7","1") = "6"
    & skf21("3","6","7","5","1","6","1","1") = "6"
    & skf21("3","6","7","5","1","6","2","1") = "6"
    & skf21("3","6","7","5","1","6","3","1") = "6"
    & skf21("3","6","7","5","1","6","4","1") = "6"
    & skf21("3","6","7","5","1","6","5","1") = "6"
    & skf21("3","6","7","5","1","6","6","1") = "6"
    & skf21("3","6","7","5","1","6","7","1") = "6"
    & skf21("3","6","7","5","1","7","1","1") = "6"
    & skf21("3","6","7","5","1","7","2","1") = "6"
    & skf21("3","6","7","5","1","7","3","1") = "6"
    & skf21("3","6","7","5","1","7","4","1") = "6"
    & skf21("3","6","7","5","1","7","5","1") = "6"
    & skf21("3","6","7","5","1","7","6","1") = "6"
    & skf21("3","6","7","5","1","7","7","1") = "6"
    & skf21("3","6","7","5","2","1","1","1") = "6"
    & skf21("3","6","7","5","2","1","2","1") = "6"
    & skf21("3","6","7","5","2","1","3","1") = "6"
    & skf21("3","6","7","5","2","1","4","1") = "6"
    & skf21("3","6","7","5","2","1","5","1") = "6"
    & skf21("3","6","7","5","2","1","6","1") = "6"
    & skf21("3","6","7","5","2","1","7","1") = "6"
    & skf21("3","6","7","5","2","2","1","1") = "6"
    & skf21("3","6","7","5","2","2","2","1") = "6"
    & skf21("3","6","7","5","2","2","3","1") = "6"
    & skf21("3","6","7","5","2","2","4","1") = "6"
    & skf21("3","6","7","5","2","2","5","1") = "6"
    & skf21("3","6","7","5","2","2","6","1") = "6"
    & skf21("3","6","7","5","2","2","7","1") = "6"
    & skf21("3","6","7","5","2","3","1","1") = "6"
    & skf21("3","6","7","5","2","3","2","1") = "6"
    & skf21("3","6","7","5","2","3","3","1") = "6"
    & skf21("3","6","7","5","2","3","4","1") = "6"
    & skf21("3","6","7","5","2","3","5","1") = "6"
    & skf21("3","6","7","5","2","3","6","1") = "6"
    & skf21("3","6","7","5","2","3","7","1") = "6"
    & skf21("3","6","7","5","2","4","1","1") = "6"
    & skf21("3","6","7","5","2","4","2","1") = "6"
    & skf21("3","6","7","5","2","4","3","1") = "6"
    & skf21("3","6","7","5","2","4","4","1") = "6"
    & skf21("3","6","7","5","2","4","5","1") = "6"
    & skf21("3","6","7","5","2","4","6","1") = "6"
    & skf21("3","6","7","5","2","4","7","1") = "6"
    & skf21("3","6","7","5","2","5","1","1") = "6"
    & skf21("3","6","7","5","2","5","2","1") = "6"
    & skf21("3","6","7","5","2","5","3","1") = "6"
    & skf21("3","6","7","5","2","5","4","1") = "6"
    & skf21("3","6","7","5","2","5","5","1") = "6"
    & skf21("3","6","7","5","2","5","6","1") = "6"
    & skf21("3","6","7","5","2","5","7","1") = "6"
    & skf21("3","6","7","5","2","6","1","1") = "6"
    & skf21("3","6","7","5","2","6","2","1") = "6"
    & skf21("3","6","7","5","2","6","3","1") = "6"
    & skf21("3","6","7","5","2","6","4","1") = "6"
    & skf21("3","6","7","5","2","6","5","1") = "6"
    & skf21("3","6","7","5","2","6","6","1") = "6"
    & skf21("3","6","7","5","2","6","7","1") = "6"
    & skf21("3","6","7","5","2","7","1","1") = "6"
    & skf21("3","6","7","5","2","7","2","1") = "6"
    & skf21("3","6","7","5","2","7","3","1") = "6"
    & skf21("3","6","7","5","2","7","4","1") = "6"
    & skf21("3","6","7","5","2","7","5","1") = "6"
    & skf21("3","6","7","5","2","7","6","1") = "6"
    & skf21("3","6","7","5","2","7","7","1") = "6"
    & skf21("3","6","7","5","3","1","1","1") = "6"
    & skf21("3","6","7","5","3","1","2","1") = "6"
    & skf21("3","6","7","5","3","1","3","1") = "6"
    & skf21("3","6","7","5","3","1","4","1") = "6"
    & skf21("3","6","7","5","3","1","5","1") = "6"
    & skf21("3","6","7","5","3","1","6","1") = "6"
    & skf21("3","6","7","5","3","1","7","1") = "6"
    & skf21("3","6","7","5","3","2","1","1") = "6"
    & skf21("3","6","7","5","3","2","2","1") = "6"
    & skf21("3","6","7","5","3","2","3","1") = "6"
    & skf21("3","6","7","5","3","2","4","1") = "6"
    & skf21("3","6","7","5","3","2","5","1") = "6"
    & skf21("3","6","7","5","3","2","6","1") = "6"
    & skf21("3","6","7","5","3","2","7","1") = "6"
    & skf21("3","6","7","5","3","3","1","1") = "6"
    & skf21("3","6","7","5","3","3","2","1") = "6"
    & skf21("3","6","7","5","3","3","3","1") = "6"
    & skf21("3","6","7","5","3","3","4","1") = "6"
    & skf21("3","6","7","5","3","3","5","1") = "6"
    & skf21("3","6","7","5","3","3","6","1") = "6"
    & skf21("3","6","7","5","3","3","7","1") = "6"
    & skf21("3","6","7","5","3","4","1","1") = "6"
    & skf21("3","6","7","5","3","4","2","1") = "6"
    & skf21("3","6","7","5","3","4","3","1") = "6"
    & skf21("3","6","7","5","3","4","4","1") = "6"
    & skf21("3","6","7","5","3","4","5","1") = "6"
    & skf21("3","6","7","5","3","4","6","1") = "6"
    & skf21("3","6","7","5","3","4","7","1") = "6"
    & skf21("3","6","7","5","3","5","1","1") = "6"
    & skf21("3","6","7","5","3","5","2","1") = "6"
    & skf21("3","6","7","5","3","5","3","1") = "6"
    & skf21("3","6","7","5","3","5","4","1") = "6"
    & skf21("3","6","7","5","3","5","5","1") = "6"
    & skf21("3","6","7","5","3","5","6","1") = "6"
    & skf21("3","6","7","5","3","5","7","1") = "6"
    & skf21("3","6","7","5","3","6","1","1") = "6"
    & skf21("3","6","7","5","3","6","2","1") = "6"
    & skf21("3","6","7","5","3","6","3","1") = "6"
    & skf21("3","6","7","5","3","6","4","1") = "6"
    & skf21("3","6","7","5","3","6","5","1") = "6"
    & skf21("3","6","7","5","3","6","6","1") = "6"
    & skf21("3","6","7","5","3","6","7","1") = "6"
    & skf21("3","6","7","5","3","7","1","1") = "6"
    & skf21("3","6","7","5","3","7","2","1") = "6"
    & skf21("3","6","7","5","3","7","3","1") = "6"
    & skf21("3","6","7","5","3","7","4","1") = "6"
    & skf21("3","6","7","5","3","7","5","1") = "6"
    & skf21("3","6","7","5","3","7","6","1") = "6"
    & skf21("3","6","7","5","3","7","7","1") = "6"
    & skf21("3","6","7","5","4","1","1","1") = "6"
    & skf21("3","6","7","5","4","1","2","1") = "6"
    & skf21("3","6","7","5","4","1","3","1") = "6"
    & skf21("3","6","7","5","4","1","4","1") = "6"
    & skf21("3","6","7","5","4","1","5","1") = "6"
    & skf21("3","6","7","5","4","1","6","1") = "6"
    & skf21("3","6","7","5","4","1","7","1") = "6"
    & skf21("3","6","7","5","4","2","1","1") = "6"
    & skf21("3","6","7","5","4","2","2","1") = "6"
    & skf21("3","6","7","5","4","2","3","1") = "6"
    & skf21("3","6","7","5","4","2","4","1") = "6"
    & skf21("3","6","7","5","4","2","5","1") = "6"
    & skf21("3","6","7","5","4","2","6","1") = "6"
    & skf21("3","6","7","5","4","2","7","1") = "6"
    & skf21("3","6","7","5","4","3","1","1") = "6"
    & skf21("3","6","7","5","4","3","2","1") = "6"
    & skf21("3","6","7","5","4","3","3","1") = "6"
    & skf21("3","6","7","5","4","3","4","1") = "6"
    & skf21("3","6","7","5","4","3","5","1") = "6"
    & skf21("3","6","7","5","4","3","6","1") = "6"
    & skf21("3","6","7","5","4","3","7","1") = "6"
    & skf21("3","6","7","5","4","4","1","1") = "6"
    & skf21("3","6","7","5","4","4","2","1") = "6"
    & skf21("3","6","7","5","4","4","3","1") = "6"
    & skf21("3","6","7","5","4","4","4","1") = "6"
    & skf21("3","6","7","5","4","4","5","1") = "6"
    & skf21("3","6","7","5","4","4","6","1") = "6"
    & skf21("3","6","7","5","4","4","7","1") = "6"
    & skf21("3","6","7","5","4","5","1","1") = "6"
    & skf21("3","6","7","5","4","5","2","1") = "6"
    & skf21("3","6","7","5","4","5","3","1") = "6"
    & skf21("3","6","7","5","4","5","4","1") = "6"
    & skf21("3","6","7","5","4","5","5","1") = "6"
    & skf21("3","6","7","5","4","5","6","1") = "6"
    & skf21("3","6","7","5","4","5","7","1") = "6"
    & skf21("3","6","7","5","4","6","1","1") = "6"
    & skf21("3","6","7","5","4","6","2","1") = "6"
    & skf21("3","6","7","5","4","6","3","1") = "6"
    & skf21("3","6","7","5","4","6","4","1") = "6"
    & skf21("3","6","7","5","4","6","5","1") = "6"
    & skf21("3","6","7","5","4","6","6","1") = "6"
    & skf21("3","6","7","5","4","6","7","1") = "6"
    & skf21("3","6","7","5","4","7","1","1") = "6"
    & skf21("3","6","7","5","4","7","2","1") = "6"
    & skf21("3","6","7","5","4","7","3","1") = "6"
    & skf21("3","6","7","5","4","7","4","1") = "6"
    & skf21("3","6","7","5","4","7","5","1") = "6"
    & skf21("3","6","7","5","4","7","6","1") = "6"
    & skf21("3","6","7","5","4","7","7","1") = "6"
    & skf21("3","6","7","5","5","1","1","1") = "6"
    & skf21("3","6","7","5","5","1","2","1") = "6"
    & skf21("3","6","7","5","5","1","3","1") = "6"
    & skf21("3","6","7","5","5","1","4","1") = "6"
    & skf21("3","6","7","5","5","1","5","1") = "6"
    & skf21("3","6","7","5","5","1","6","1") = "6"
    & skf21("3","6","7","5","5","1","7","1") = "6"
    & skf21("3","6","7","5","5","2","1","1") = "6"
    & skf21("3","6","7","5","5","2","2","1") = "6"
    & skf21("3","6","7","5","5","2","3","1") = "6"
    & skf21("3","6","7","5","5","2","4","1") = "6"
    & skf21("3","6","7","5","5","2","5","1") = "6"
    & skf21("3","6","7","5","5","2","6","1") = "6"
    & skf21("3","6","7","5","5","2","7","1") = "6"
    & skf21("3","6","7","5","5","3","1","1") = "6"
    & skf21("3","6","7","5","5","3","2","1") = "6"
    & skf21("3","6","7","5","5","3","3","1") = "6"
    & skf21("3","6","7","5","5","3","4","1") = "6"
    & skf21("3","6","7","5","5","3","5","1") = "6"
    & skf21("3","6","7","5","5","3","6","1") = "6"
    & skf21("3","6","7","5","5","3","7","1") = "6"
    & skf21("3","6","7","5","5","4","1","1") = "6"
    & skf21("3","6","7","5","5","4","2","1") = "6"
    & skf21("3","6","7","5","5","4","3","1") = "6"
    & skf21("3","6","7","5","5","4","4","1") = "6"
    & skf21("3","6","7","5","5","4","5","1") = "6"
    & skf21("3","6","7","5","5","4","6","1") = "6"
    & skf21("3","6","7","5","5","4","7","1") = "6"
    & skf21("3","6","7","5","5","5","1","1") = "6"
    & skf21("3","6","7","5","5","5","2","1") = "6"
    & skf21("3","6","7","5","5","5","3","1") = "6"
    & skf21("3","6","7","5","5","5","4","1") = "6"
    & skf21("3","6","7","5","5","5","5","1") = "6"
    & skf21("3","6","7","5","5","5","6","1") = "6"
    & skf21("3","6","7","5","5","5","7","1") = "6"
    & skf21("3","6","7","5","5","6","1","1") = "6"
    & skf21("3","6","7","5","5","6","2","1") = "6"
    & skf21("3","6","7","5","5","6","3","1") = "6"
    & skf21("3","6","7","5","5","6","4","1") = "6"
    & skf21("3","6","7","5","5","6","5","1") = "6"
    & skf21("3","6","7","5","5","6","6","1") = "6"
    & skf21("3","6","7","5","5","6","7","1") = "6"
    & skf21("3","6","7","5","5","7","1","1") = "6"
    & skf21("3","6","7","5","5","7","2","1") = "6"
    & skf21("3","6","7","5","5","7","3","1") = "6"
    & skf21("3","6","7","5","5","7","4","1") = "6"
    & skf21("3","6","7","5","5","7","5","1") = "6"
    & skf21("3","6","7","5","5","7","6","1") = "6"
    & skf21("3","6","7","5","5","7","7","1") = "6"
    & skf21("3","6","7","5","6","1","1","1") = "6"
    & skf21("3","6","7","5","6","1","2","1") = "6"
    & skf21("3","6","7","5","6","1","3","1") = "6"
    & skf21("3","6","7","5","6","1","4","1") = "6"
    & skf21("3","6","7","5","6","1","5","1") = "6"
    & skf21("3","6","7","5","6","1","6","1") = "6"
    & skf21("3","6","7","5","6","1","7","1") = "6"
    & skf21("3","6","7","5","6","2","1","1") = "6"
    & skf21("3","6","7","5","6","2","2","1") = "6"
    & skf21("3","6","7","5","6","2","3","1") = "6"
    & skf21("3","6","7","5","6","2","4","1") = "6"
    & skf21("3","6","7","5","6","2","5","1") = "6"
    & skf21("3","6","7","5","6","2","6","1") = "6"
    & skf21("3","6","7","5","6","2","7","1") = "6"
    & skf21("3","6","7","5","6","3","1","1") = "6"
    & skf21("3","6","7","5","6","3","2","1") = "6"
    & skf21("3","6","7","5","6","3","3","1") = "6"
    & skf21("3","6","7","5","6","3","4","1") = "6"
    & skf21("3","6","7","5","6","3","5","1") = "6"
    & skf21("3","6","7","5","6","3","6","1") = "6"
    & skf21("3","6","7","5","6","3","7","1") = "6"
    & skf21("3","6","7","5","6","4","1","1") = "6"
    & skf21("3","6","7","5","6","4","2","1") = "6"
    & skf21("3","6","7","5","6","4","3","1") = "6"
    & skf21("3","6","7","5","6","4","4","1") = "6"
    & skf21("3","6","7","5","6","4","5","1") = "6"
    & skf21("3","6","7","5","6","4","6","1") = "6"
    & skf21("3","6","7","5","6","4","7","1") = "6"
    & skf21("3","6","7","5","6","5","1","1") = "6"
    & skf21("3","6","7","5","6","5","2","1") = "6"
    & skf21("3","6","7","5","6","5","3","1") = "6"
    & skf21("3","6","7","5","6","5","4","1") = "6"
    & skf21("3","6","7","5","6","5","5","1") = "6"
    & skf21("3","6","7","5","6","5","6","1") = "6"
    & skf21("3","6","7","5","6","5","7","1") = "6"
    & skf21("3","6","7","5","6","6","1","1") = "6"
    & skf21("3","6","7","5","6","6","2","1") = "6"
    & skf21("3","6","7","5","6","6","3","1") = "6"
    & skf21("3","6","7","5","6","6","4","1") = "6"
    & skf21("3","6","7","5","6","6","5","1") = "6"
    & skf21("3","6","7","5","6","6","6","1") = "6"
    & skf21("3","6","7","5","6","6","7","1") = "6"
    & skf21("3","6","7","5","6","7","1","1") = "6"
    & skf21("3","6","7","5","6","7","2","1") = "6"
    & skf21("3","6","7","5","6","7","3","1") = "6"
    & skf21("3","6","7","5","6","7","4","1") = "6"
    & skf21("3","6","7","5","6","7","5","1") = "6"
    & skf21("3","6","7","5","6","7","6","1") = "6"
    & skf21("3","6","7","5","6","7","7","1") = "6"
    & skf21("3","6","7","5","7","1","1","1") = "6"
    & skf21("3","6","7","5","7","1","2","1") = "6"
    & skf21("3","6","7","5","7","1","3","1") = "6"
    & skf21("3","6","7","5","7","1","4","1") = "6"
    & skf21("3","6","7","5","7","1","5","1") = "6"
    & skf21("3","6","7","5","7","1","6","1") = "6"
    & skf21("3","6","7","5","7","1","7","1") = "6"
    & skf21("3","6","7","5","7","2","1","1") = "6"
    & skf21("3","6","7","5","7","2","2","1") = "6"
    & skf21("3","6","7","5","7","2","3","1") = "6"
    & skf21("3","6","7","5","7","2","4","1") = "6"
    & skf21("3","6","7","5","7","2","5","1") = "6"
    & skf21("3","6","7","5","7","2","6","1") = "6"
    & skf21("3","6","7","5","7","2","7","1") = "6"
    & skf21("3","6","7","5","7","3","1","1") = "6"
    & skf21("3","6","7","5","7","3","2","1") = "6"
    & skf21("3","6","7","5","7","3","3","1") = "6"
    & skf21("3","6","7","5","7","3","4","1") = "6"
    & skf21("3","6","7","5","7","3","5","1") = "6"
    & skf21("3","6","7","5","7","3","6","1") = "6"
    & skf21("3","6","7","5","7","3","7","1") = "6"
    & skf21("3","6","7","5","7","4","1","1") = "6"
    & skf21("3","6","7","5","7","4","2","1") = "6"
    & skf21("3","6","7","5","7","4","3","1") = "6"
    & skf21("3","6","7","5","7","4","4","1") = "6"
    & skf21("3","6","7","5","7","4","5","1") = "6"
    & skf21("3","6","7","5","7","4","6","1") = "6"
    & skf21("3","6","7","5","7","4","7","1") = "6"
    & skf21("3","6","7","5","7","5","1","1") = "6"
    & skf21("3","6","7","5","7","5","2","1") = "6"
    & skf21("3","6","7","5","7","5","3","1") = "6"
    & skf21("3","6","7","5","7","5","4","1") = "6"
    & skf21("3","6","7","5","7","5","5","1") = "6"
    & skf21("3","6","7","5","7","5","6","1") = "6"
    & skf21("3","6","7","5","7","5","7","1") = "6"
    & skf21("3","6","7","5","7","6","1","1") = "6"
    & skf21("3","6","7","5","7","6","2","1") = "6"
    & skf21("3","6","7","5","7","6","3","1") = "6"
    & skf21("3","6","7","5","7","6","4","1") = "6"
    & skf21("3","6","7","5","7","6","5","1") = "6"
    & skf21("3","6","7","5","7","6","6","1") = "6"
    & skf21("3","6","7","5","7","6","7","1") = "6"
    & skf21("3","6","7","5","7","7","1","1") = "6"
    & skf21("3","6","7","5","7","7","2","1") = "6"
    & skf21("3","6","7","5","7","7","3","1") = "6"
    & skf21("3","6","7","5","7","7","4","1") = "6"
    & skf21("3","6","7","5","7","7","5","1") = "6"
    & skf21("3","6","7","5","7","7","6","1") = "6"
    & skf21("3","6","7","5","7","7","7","1") = "6"
    & skf21("3","6","7","6","1","1","1","1") = "6"
    & skf21("3","6","7","6","1","1","2","1") = "6"
    & skf21("3","6","7","6","1","1","3","1") = "6"
    & skf21("3","6","7","6","1","1","4","1") = "6"
    & skf21("3","6","7","6","1","1","5","1") = "6"
    & skf21("3","6","7","6","1","1","6","1") = "6"
    & skf21("3","6","7","6","1","1","7","1") = "6"
    & skf21("3","6","7","6","1","2","1","1") = "6"
    & skf21("3","6","7","6","1","2","2","1") = "6"
    & skf21("3","6","7","6","1","2","3","1") = "6"
    & skf21("3","6","7","6","1","2","4","1") = "6"
    & skf21("3","6","7","6","1","2","5","1") = "6"
    & skf21("3","6","7","6","1","2","6","1") = "6"
    & skf21("3","6","7","6","1","2","7","1") = "6"
    & skf21("3","6","7","6","1","3","1","1") = "6"
    & skf21("3","6","7","6","1","3","2","1") = "6"
    & skf21("3","6","7","6","1","3","3","1") = "6"
    & skf21("3","6","7","6","1","3","4","1") = "6"
    & skf21("3","6","7","6","1","3","5","1") = "6"
    & skf21("3","6","7","6","1","3","6","1") = "6"
    & skf21("3","6","7","6","1","3","7","1") = "6"
    & skf21("3","6","7","6","1","4","1","1") = "6"
    & skf21("3","6","7","6","1","4","2","1") = "6"
    & skf21("3","6","7","6","1","4","3","1") = "6"
    & skf21("3","6","7","6","1","4","4","1") = "6"
    & skf21("3","6","7","6","1","4","5","1") = "6"
    & skf21("3","6","7","6","1","4","6","1") = "6"
    & skf21("3","6","7","6","1","4","7","1") = "6"
    & skf21("3","6","7","6","1","5","1","1") = "6"
    & skf21("3","6","7","6","1","5","2","1") = "6"
    & skf21("3","6","7","6","1","5","3","1") = "6"
    & skf21("3","6","7","6","1","5","4","1") = "6"
    & skf21("3","6","7","6","1","5","5","1") = "6"
    & skf21("3","6","7","6","1","5","6","1") = "6"
    & skf21("3","6","7","6","1","5","7","1") = "6"
    & skf21("3","6","7","6","1","6","1","1") = "6"
    & skf21("3","6","7","6","1","6","2","1") = "6"
    & skf21("3","6","7","6","1","6","3","1") = "6"
    & skf21("3","6","7","6","1","6","4","1") = "6"
    & skf21("3","6","7","6","1","6","5","1") = "6"
    & skf21("3","6","7","6","1","6","6","1") = "6"
    & skf21("3","6","7","6","1","6","7","1") = "6"
    & skf21("3","6","7","6","1","7","1","1") = "6"
    & skf21("3","6","7","6","1","7","2","1") = "6"
    & skf21("3","6","7","6","1","7","3","1") = "6"
    & skf21("3","6","7","6","1","7","4","1") = "6"
    & skf21("3","6","7","6","1","7","5","1") = "6"
    & skf21("3","6","7","6","1","7","6","1") = "6"
    & skf21("3","6","7","6","1","7","7","1") = "6"
    & skf21("3","6","7","6","2","1","1","1") = "6"
    & skf21("3","6","7","6","2","1","2","1") = "6"
    & skf21("3","6","7","6","2","1","3","1") = "6"
    & skf21("3","6","7","6","2","1","4","1") = "6"
    & skf21("3","6","7","6","2","1","5","1") = "6"
    & skf21("3","6","7","6","2","1","6","1") = "6"
    & skf21("3","6","7","6","2","1","7","1") = "6"
    & skf21("3","6","7","6","2","2","1","1") = "6"
    & skf21("3","6","7","6","2","2","2","1") = "6"
    & skf21("3","6","7","6","2","2","3","1") = "6"
    & skf21("3","6","7","6","2","2","4","1") = "6"
    & skf21("3","6","7","6","2","2","5","1") = "6"
    & skf21("3","6","7","6","2","2","6","1") = "6"
    & skf21("3","6","7","6","2","2","7","1") = "6"
    & skf21("3","6","7","6","2","3","1","1") = "6"
    & skf21("3","6","7","6","2","3","2","1") = "6"
    & skf21("3","6","7","6","2","3","3","1") = "6"
    & skf21("3","6","7","6","2","3","4","1") = "6"
    & skf21("3","6","7","6","2","3","5","1") = "6"
    & skf21("3","6","7","6","2","3","6","1") = "6"
    & skf21("3","6","7","6","2","3","7","1") = "6"
    & skf21("3","6","7","6","2","4","1","1") = "6"
    & skf21("3","6","7","6","2","4","2","1") = "6"
    & skf21("3","6","7","6","2","4","3","1") = "6"
    & skf21("3","6","7","6","2","4","4","1") = "6"
    & skf21("3","6","7","6","2","4","5","1") = "6"
    & skf21("3","6","7","6","2","4","6","1") = "6"
    & skf21("3","6","7","6","2","4","7","1") = "6"
    & skf21("3","6","7","6","2","5","1","1") = "6"
    & skf21("3","6","7","6","2","5","2","1") = "6"
    & skf21("3","6","7","6","2","5","3","1") = "6"
    & skf21("3","6","7","6","2","5","4","1") = "6"
    & skf21("3","6","7","6","2","5","5","1") = "6"
    & skf21("3","6","7","6","2","5","6","1") = "6"
    & skf21("3","6","7","6","2","5","7","1") = "6"
    & skf21("3","6","7","6","2","6","1","1") = "6"
    & skf21("3","6","7","6","2","6","2","1") = "6"
    & skf21("3","6","7","6","2","6","3","1") = "6"
    & skf21("3","6","7","6","2","6","4","1") = "6"
    & skf21("3","6","7","6","2","6","5","1") = "6"
    & skf21("3","6","7","6","2","6","6","1") = "6"
    & skf21("3","6","7","6","2","6","7","1") = "6"
    & skf21("3","6","7","6","2","7","1","1") = "6"
    & skf21("3","6","7","6","2","7","2","1") = "6"
    & skf21("3","6","7","6","2","7","3","1") = "6"
    & skf21("3","6","7","6","2","7","4","1") = "6"
    & skf21("3","6","7","6","2","7","5","1") = "6"
    & skf21("3","6","7","6","2","7","6","1") = "6"
    & skf21("3","6","7","6","2","7","7","1") = "6"
    & skf21("3","6","7","6","3","1","1","1") = "6"
    & skf21("3","6","7","6","3","1","2","1") = "6"
    & skf21("3","6","7","6","3","1","3","1") = "6"
    & skf21("3","6","7","6","3","1","4","1") = "6"
    & skf21("3","6","7","6","3","1","5","1") = "6"
    & skf21("3","6","7","6","3","1","6","1") = "6"
    & skf21("3","6","7","6","3","1","7","1") = "6"
    & skf21("3","6","7","6","3","2","1","1") = "6"
    & skf21("3","6","7","6","3","2","2","1") = "6"
    & skf21("3","6","7","6","3","2","3","1") = "6"
    & skf21("3","6","7","6","3","2","4","1") = "6"
    & skf21("3","6","7","6","3","2","5","1") = "6"
    & skf21("3","6","7","6","3","2","6","1") = "6"
    & skf21("3","6","7","6","3","2","7","1") = "6"
    & skf21("3","6","7","6","3","3","1","1") = "6"
    & skf21("3","6","7","6","3","3","2","1") = "6"
    & skf21("3","6","7","6","3","3","3","1") = "6"
    & skf21("3","6","7","6","3","3","4","1") = "6"
    & skf21("3","6","7","6","3","3","5","1") = "6"
    & skf21("3","6","7","6","3","3","6","1") = "6"
    & skf21("3","6","7","6","3","3","7","1") = "6"
    & skf21("3","6","7","6","3","4","1","1") = "6"
    & skf21("3","6","7","6","3","4","2","1") = "6"
    & skf21("3","6","7","6","3","4","3","1") = "6"
    & skf21("3","6","7","6","3","4","4","1") = "6"
    & skf21("3","6","7","6","3","4","5","1") = "6"
    & skf21("3","6","7","6","3","4","6","1") = "6"
    & skf21("3","6","7","6","3","4","7","1") = "6"
    & skf21("3","6","7","6","3","5","1","1") = "6"
    & skf21("3","6","7","6","3","5","2","1") = "6"
    & skf21("3","6","7","6","3","5","3","1") = "6"
    & skf21("3","6","7","6","3","5","4","1") = "6"
    & skf21("3","6","7","6","3","5","5","1") = "6"
    & skf21("3","6","7","6","3","5","6","1") = "6"
    & skf21("3","6","7","6","3","5","7","1") = "6"
    & skf21("3","6","7","6","3","6","1","1") = "6"
    & skf21("3","6","7","6","3","6","2","1") = "6"
    & skf21("3","6","7","6","3","6","3","1") = "6"
    & skf21("3","6","7","6","3","6","4","1") = "6"
    & skf21("3","6","7","6","3","6","5","1") = "6"
    & skf21("3","6","7","6","3","6","6","1") = "6"
    & skf21("3","6","7","6","3","6","7","1") = "6"
    & skf21("3","6","7","6","3","7","1","1") = "6"
    & skf21("3","6","7","6","3","7","2","1") = "6"
    & skf21("3","6","7","6","3","7","3","1") = "6"
    & skf21("3","6","7","6","3","7","4","1") = "6"
    & skf21("3","6","7","6","3","7","5","1") = "6"
    & skf21("3","6","7","6","3","7","6","1") = "6"
    & skf21("3","6","7","6","3","7","7","1") = "6"
    & skf21("3","6","7","6","4","1","1","1") = "6"
    & skf21("3","6","7","6","4","1","2","1") = "6"
    & skf21("3","6","7","6","4","1","3","1") = "6"
    & skf21("3","6","7","6","4","1","4","1") = "6"
    & skf21("3","6","7","6","4","1","5","1") = "6"
    & skf21("3","6","7","6","4","1","6","1") = "6"
    & skf21("3","6","7","6","4","1","7","1") = "6"
    & skf21("3","6","7","6","4","2","1","1") = "6"
    & skf21("3","6","7","6","4","2","2","1") = "6"
    & skf21("3","6","7","6","4","2","3","1") = "6"
    & skf21("3","6","7","6","4","2","4","1") = "6"
    & skf21("3","6","7","6","4","2","5","1") = "6"
    & skf21("3","6","7","6","4","2","6","1") = "6"
    & skf21("3","6","7","6","4","2","7","1") = "6"
    & skf21("3","6","7","6","4","3","1","1") = "6"
    & skf21("3","6","7","6","4","3","2","1") = "6"
    & skf21("3","6","7","6","4","3","3","1") = "6"
    & skf21("3","6","7","6","4","3","4","1") = "6"
    & skf21("3","6","7","6","4","3","5","1") = "6"
    & skf21("3","6","7","6","4","3","6","1") = "6"
    & skf21("3","6","7","6","4","3","7","1") = "6"
    & skf21("3","6","7","6","4","4","1","1") = "6"
    & skf21("3","6","7","6","4","4","2","1") = "6"
    & skf21("3","6","7","6","4","4","3","1") = "6"
    & skf21("3","6","7","6","4","4","4","1") = "6"
    & skf21("3","6","7","6","4","4","5","1") = "6"
    & skf21("3","6","7","6","4","4","6","1") = "6"
    & skf21("3","6","7","6","4","4","7","1") = "6"
    & skf21("3","6","7","6","4","5","1","1") = "6"
    & skf21("3","6","7","6","4","5","2","1") = "6"
    & skf21("3","6","7","6","4","5","3","1") = "6"
    & skf21("3","6","7","6","4","5","4","1") = "6"
    & skf21("3","6","7","6","4","5","5","1") = "6"
    & skf21("3","6","7","6","4","5","6","1") = "6"
    & skf21("3","6","7","6","4","5","7","1") = "6"
    & skf21("3","6","7","6","4","6","1","1") = "6"
    & skf21("3","6","7","6","4","6","2","1") = "6"
    & skf21("3","6","7","6","4","6","3","1") = "6"
    & skf21("3","6","7","6","4","6","4","1") = "6"
    & skf21("3","6","7","6","4","6","5","1") = "6"
    & skf21("3","6","7","6","4","6","6","1") = "6"
    & skf21("3","6","7","6","4","6","7","1") = "6"
    & skf21("3","6","7","6","4","7","1","1") = "6"
    & skf21("3","6","7","6","4","7","2","1") = "6"
    & skf21("3","6","7","6","4","7","3","1") = "6"
    & skf21("3","6","7","6","4","7","4","1") = "6"
    & skf21("3","6","7","6","4","7","5","1") = "6"
    & skf21("3","6","7","6","4","7","6","1") = "6"
    & skf21("3","6","7","6","4","7","7","1") = "6"
    & skf21("3","6","7","6","5","1","1","1") = "6"
    & skf21("3","6","7","6","5","1","2","1") = "6"
    & skf21("3","6","7","6","5","1","3","1") = "6"
    & skf21("3","6","7","6","5","1","4","1") = "6"
    & skf21("3","6","7","6","5","1","5","1") = "6"
    & skf21("3","6","7","6","5","1","6","1") = "6"
    & skf21("3","6","7","6","5","1","7","1") = "6"
    & skf21("3","6","7","6","5","2","1","1") = "6"
    & skf21("3","6","7","6","5","2","2","1") = "6"
    & skf21("3","6","7","6","5","2","3","1") = "6"
    & skf21("3","6","7","6","5","2","4","1") = "6"
    & skf21("3","6","7","6","5","2","5","1") = "6"
    & skf21("3","6","7","6","5","2","6","1") = "6"
    & skf21("3","6","7","6","5","2","7","1") = "6"
    & skf21("3","6","7","6","5","3","1","1") = "6"
    & skf21("3","6","7","6","5","3","2","1") = "6"
    & skf21("3","6","7","6","5","3","3","1") = "6"
    & skf21("3","6","7","6","5","3","4","1") = "6"
    & skf21("3","6","7","6","5","3","5","1") = "6"
    & skf21("3","6","7","6","5","3","6","1") = "6"
    & skf21("3","6","7","6","5","3","7","1") = "6"
    & skf21("3","6","7","6","5","4","1","1") = "6"
    & skf21("3","6","7","6","5","4","2","1") = "6"
    & skf21("3","6","7","6","5","4","3","1") = "6"
    & skf21("3","6","7","6","5","4","4","1") = "6"
    & skf21("3","6","7","6","5","4","5","1") = "6"
    & skf21("3","6","7","6","5","4","6","1") = "6"
    & skf21("3","6","7","6","5","4","7","1") = "6"
    & skf21("3","6","7","6","5","5","1","1") = "6"
    & skf21("3","6","7","6","5","5","2","1") = "6"
    & skf21("3","6","7","6","5","5","3","1") = "6"
    & skf21("3","6","7","6","5","5","4","1") = "6"
    & skf21("3","6","7","6","5","5","5","1") = "6"
    & skf21("3","6","7","6","5","5","6","1") = "6"
    & skf21("3","6","7","6","5","5","7","1") = "6"
    & skf21("3","6","7","6","5","6","1","1") = "6"
    & skf21("3","6","7","6","5","6","2","1") = "6"
    & skf21("3","6","7","6","5","6","3","1") = "6"
    & skf21("3","6","7","6","5","6","4","1") = "6"
    & skf21("3","6","7","6","5","6","5","1") = "6"
    & skf21("3","6","7","6","5","6","6","1") = "6"
    & skf21("3","6","7","6","5","6","7","1") = "6"
    & skf21("3","6","7","6","5","7","1","1") = "6"
    & skf21("3","6","7","6","5","7","2","1") = "6"
    & skf21("3","6","7","6","5","7","3","1") = "6"
    & skf21("3","6","7","6","5","7","4","1") = "6"
    & skf21("3","6","7","6","5","7","5","1") = "6"
    & skf21("3","6","7","6","5","7","6","1") = "6"
    & skf21("3","6","7","6","5","7","7","1") = "6"
    & skf21("3","6","7","6","6","1","1","1") = "6"
    & skf21("3","6","7","6","6","1","2","1") = "6"
    & skf21("3","6","7","6","6","1","3","1") = "6"
    & skf21("3","6","7","6","6","1","4","1") = "6"
    & skf21("3","6","7","6","6","1","5","1") = "6"
    & skf21("3","6","7","6","6","1","6","1") = "6"
    & skf21("3","6","7","6","6","1","7","1") = "6"
    & skf21("3","6","7","6","6","2","1","1") = "6"
    & skf21("3","6","7","6","6","2","2","1") = "6"
    & skf21("3","6","7","6","6","2","3","1") = "6"
    & skf21("3","6","7","6","6","2","4","1") = "6"
    & skf21("3","6","7","6","6","2","5","1") = "6"
    & skf21("3","6","7","6","6","2","6","1") = "6"
    & skf21("3","6","7","6","6","2","7","1") = "6"
    & skf21("3","6","7","6","6","3","1","1") = "6"
    & skf21("3","6","7","6","6","3","2","1") = "6"
    & skf21("3","6","7","6","6","3","3","1") = "6"
    & skf21("3","6","7","6","6","3","4","1") = "6"
    & skf21("3","6","7","6","6","3","5","1") = "6"
    & skf21("3","6","7","6","6","3","6","1") = "6"
    & skf21("3","6","7","6","6","3","7","1") = "6"
    & skf21("3","6","7","6","6","4","1","1") = "6"
    & skf21("3","6","7","6","6","4","2","1") = "6"
    & skf21("3","6","7","6","6","4","3","1") = "6"
    & skf21("3","6","7","6","6","4","4","1") = "6"
    & skf21("3","6","7","6","6","4","5","1") = "6"
    & skf21("3","6","7","6","6","4","6","1") = "6"
    & skf21("3","6","7","6","6","4","7","1") = "6"
    & skf21("3","6","7","6","6","5","1","1") = "6"
    & skf21("3","6","7","6","6","5","2","1") = "6"
    & skf21("3","6","7","6","6","5","3","1") = "6"
    & skf21("3","6","7","6","6","5","4","1") = "6"
    & skf21("3","6","7","6","6","5","5","1") = "6"
    & skf21("3","6","7","6","6","5","6","1") = "6"
    & skf21("3","6","7","6","6","5","7","1") = "6"
    & skf21("3","6","7","6","6","6","1","1") = "6"
    & skf21("3","6","7","6","6","6","2","1") = "6"
    & skf21("3","6","7","6","6","6","3","1") = "6"
    & skf21("3","6","7","6","6","6","4","1") = "6"
    & skf21("3","6","7","6","6","6","5","1") = "6"
    & skf21("3","6","7","6","6","6","6","1") = "6"
    & skf21("3","6","7","6","6","6","7","1") = "6"
    & skf21("3","6","7","6","6","7","1","1") = "6"
    & skf21("3","6","7","6","6","7","2","1") = "6"
    & skf21("3","6","7","6","6","7","3","1") = "6"
    & skf21("3","6","7","6","6","7","4","1") = "6"
    & skf21("3","6","7","6","6","7","5","1") = "6"
    & skf21("3","6","7","6","6","7","6","1") = "6"
    & skf21("3","6","7","6","6","7","7","1") = "6"
    & skf21("3","6","7","6","7","1","1","1") = "6"
    & skf21("3","6","7","6","7","1","2","1") = "6"
    & skf21("3","6","7","6","7","1","3","1") = "6"
    & skf21("3","6","7","6","7","1","4","1") = "6"
    & skf21("3","6","7","6","7","1","5","1") = "6"
    & skf21("3","6","7","6","7","1","6","1") = "6"
    & skf21("3","6","7","6","7","1","7","1") = "6"
    & skf21("3","6","7","6","7","2","1","1") = "6"
    & skf21("3","6","7","6","7","2","2","1") = "6"
    & skf21("3","6","7","6","7","2","3","1") = "6"
    & skf21("3","6","7","6","7","2","4","1") = "6"
    & skf21("3","6","7","6","7","2","5","1") = "6"
    & skf21("3","6","7","6","7","2","6","1") = "6"
    & skf21("3","6","7","6","7","2","7","1") = "6"
    & skf21("3","6","7","6","7","3","1","1") = "6"
    & skf21("3","6","7","6","7","3","2","1") = "6"
    & skf21("3","6","7","6","7","3","3","1") = "6"
    & skf21("3","6","7","6","7","3","4","1") = "6"
    & skf21("3","6","7","6","7","3","5","1") = "6"
    & skf21("3","6","7","6","7","3","6","1") = "6"
    & skf21("3","6","7","6","7","3","7","1") = "6"
    & skf21("3","6","7","6","7","4","1","1") = "6"
    & skf21("3","6","7","6","7","4","2","1") = "6"
    & skf21("3","6","7","6","7","4","3","1") = "6"
    & skf21("3","6","7","6","7","4","4","1") = "6"
    & skf21("3","6","7","6","7","4","5","1") = "6"
    & skf21("3","6","7","6","7","4","6","1") = "6"
    & skf21("3","6","7","6","7","4","7","1") = "6"
    & skf21("3","6","7","6","7","5","1","1") = "6"
    & skf21("3","6","7","6","7","5","2","1") = "6"
    & skf21("3","6","7","6","7","5","3","1") = "6"
    & skf21("3","6","7","6","7","5","4","1") = "6"
    & skf21("3","6","7","6","7","5","5","1") = "6"
    & skf21("3","6","7","6","7","5","6","1") = "6"
    & skf21("3","6","7","6","7","5","7","1") = "6"
    & skf21("3","6","7","6","7","6","1","1") = "6"
    & skf21("3","6","7","6","7","6","2","1") = "6"
    & skf21("3","6","7","6","7","6","3","1") = "6"
    & skf21("3","6","7","6","7","6","4","1") = "6"
    & skf21("3","6","7","6","7","6","5","1") = "6"
    & skf21("3","6","7","6","7","6","6","1") = "6"
    & skf21("3","6","7","6","7","6","7","1") = "6"
    & skf21("3","6","7","6","7","7","1","1") = "6"
    & skf21("3","6","7","6","7","7","2","1") = "6"
    & skf21("3","6","7","6","7","7","3","1") = "6"
    & skf21("3","6","7","6","7","7","4","1") = "6"
    & skf21("3","6","7","6","7","7","5","1") = "6"
    & skf21("3","6","7","6","7","7","6","1") = "6"
    & skf21("3","6","7","6","7","7","7","1") = "6"
    & skf21("3","6","7","7","1","1","1","1") = "6"
    & skf21("3","6","7","7","1","1","2","1") = "6"
    & skf21("3","6","7","7","1","1","3","1") = "6"
    & skf21("3","6","7","7","1","1","4","1") = "6"
    & skf21("3","6","7","7","1","1","5","1") = "6"
    & skf21("3","6","7","7","1","1","6","1") = "6"
    & skf21("3","6","7","7","1","1","7","1") = "6"
    & skf21("3","6","7","7","1","2","1","1") = "6"
    & skf21("3","6","7","7","1","2","2","1") = "6"
    & skf21("3","6","7","7","1","2","3","1") = "6"
    & skf21("3","6","7","7","1","2","4","1") = "6"
    & skf21("3","6","7","7","1","2","5","1") = "6"
    & skf21("3","6","7","7","1","2","6","1") = "6"
    & skf21("3","6","7","7","1","2","7","1") = "6"
    & skf21("3","6","7","7","1","3","1","1") = "6"
    & skf21("3","6","7","7","1","3","2","1") = "6"
    & skf21("3","6","7","7","1","3","3","1") = "6"
    & skf21("3","6","7","7","1","3","4","1") = "6"
    & skf21("3","6","7","7","1","3","5","1") = "6"
    & skf21("3","6","7","7","1","3","6","1") = "6"
    & skf21("3","6","7","7","1","3","7","1") = "6"
    & skf21("3","6","7","7","1","4","1","1") = "6"
    & skf21("3","6","7","7","1","4","2","1") = "6"
    & skf21("3","6","7","7","1","4","3","1") = "6"
    & skf21("3","6","7","7","1","4","4","1") = "6"
    & skf21("3","6","7","7","1","4","5","1") = "6"
    & skf21("3","6","7","7","1","4","6","1") = "6"
    & skf21("3","6","7","7","1","4","7","1") = "6"
    & skf21("3","6","7","7","1","5","1","1") = "6"
    & skf21("3","6","7","7","1","5","2","1") = "6"
    & skf21("3","6","7","7","1","5","3","1") = "6"
    & skf21("3","6","7","7","1","5","4","1") = "6"
    & skf21("3","6","7","7","1","5","5","1") = "6"
    & skf21("3","6","7","7","1","5","6","1") = "6"
    & skf21("3","6","7","7","1","5","7","1") = "6"
    & skf21("3","6","7","7","1","6","1","1") = "6"
    & skf21("3","6","7","7","1","6","2","1") = "6"
    & skf21("3","6","7","7","1","6","3","1") = "6"
    & skf21("3","6","7","7","1","6","4","1") = "6"
    & skf21("3","6","7","7","1","6","5","1") = "6"
    & skf21("3","6","7","7","1","6","6","1") = "6"
    & skf21("3","6","7","7","1","6","7","1") = "6"
    & skf21("3","6","7","7","1","7","1","1") = "6"
    & skf21("3","6","7","7","1","7","2","1") = "6"
    & skf21("3","6","7","7","1","7","3","1") = "6"
    & skf21("3","6","7","7","1","7","4","1") = "6"
    & skf21("3","6","7","7","1","7","5","1") = "6"
    & skf21("3","6","7","7","1","7","6","1") = "6"
    & skf21("3","6","7","7","1","7","7","1") = "6"
    & skf21("3","6","7","7","2","1","1","1") = "6"
    & skf21("3","6","7","7","2","1","2","1") = "6"
    & skf21("3","6","7","7","2","1","3","1") = "6"
    & skf21("3","6","7","7","2","1","4","1") = "6"
    & skf21("3","6","7","7","2","1","5","1") = "6"
    & skf21("3","6","7","7","2","1","6","1") = "6"
    & skf21("3","6","7","7","2","1","7","1") = "6"
    & skf21("3","6","7","7","2","2","1","1") = "6"
    & skf21("3","6","7","7","2","2","2","1") = "6"
    & skf21("3","6","7","7","2","2","3","1") = "6"
    & skf21("3","6","7","7","2","2","4","1") = "6"
    & skf21("3","6","7","7","2","2","5","1") = "6"
    & skf21("3","6","7","7","2","2","6","1") = "6"
    & skf21("3","6","7","7","2","2","7","1") = "6"
    & skf21("3","6","7","7","2","3","1","1") = "6"
    & skf21("3","6","7","7","2","3","2","1") = "6"
    & skf21("3","6","7","7","2","3","3","1") = "6"
    & skf21("3","6","7","7","2","3","4","1") = "6"
    & skf21("3","6","7","7","2","3","5","1") = "6"
    & skf21("3","6","7","7","2","3","6","1") = "6"
    & skf21("3","6","7","7","2","3","7","1") = "6"
    & skf21("3","6","7","7","2","4","1","1") = "6"
    & skf21("3","6","7","7","2","4","2","1") = "6"
    & skf21("3","6","7","7","2","4","3","1") = "6"
    & skf21("3","6","7","7","2","4","4","1") = "6"
    & skf21("3","6","7","7","2","4","5","1") = "6"
    & skf21("3","6","7","7","2","4","6","1") = "6"
    & skf21("3","6","7","7","2","4","7","1") = "6"
    & skf21("3","6","7","7","2","5","1","1") = "6"
    & skf21("3","6","7","7","2","5","2","1") = "6"
    & skf21("3","6","7","7","2","5","3","1") = "6"
    & skf21("3","6","7","7","2","5","4","1") = "6"
    & skf21("3","6","7","7","2","5","5","1") = "6"
    & skf21("3","6","7","7","2","5","6","1") = "6"
    & skf21("3","6","7","7","2","5","7","1") = "6"
    & skf21("3","6","7","7","2","6","1","1") = "6"
    & skf21("3","6","7","7","2","6","2","1") = "6"
    & skf21("3","6","7","7","2","6","3","1") = "6"
    & skf21("3","6","7","7","2","6","4","1") = "6"
    & skf21("3","6","7","7","2","6","5","1") = "6"
    & skf21("3","6","7","7","2","6","6","1") = "6"
    & skf21("3","6","7","7","2","6","7","1") = "6"
    & skf21("3","6","7","7","2","7","1","1") = "6"
    & skf21("3","6","7","7","2","7","2","1") = "6"
    & skf21("3","6","7","7","2","7","3","1") = "6"
    & skf21("3","6","7","7","2","7","4","1") = "6"
    & skf21("3","6","7","7","2","7","5","1") = "6"
    & skf21("3","6","7","7","2","7","6","1") = "6"
    & skf21("3","6","7","7","2","7","7","1") = "6"
    & skf21("3","6","7","7","3","1","1","1") = "6"
    & skf21("3","6","7","7","3","1","2","1") = "6"
    & skf21("3","6","7","7","3","1","3","1") = "6"
    & skf21("3","6","7","7","3","1","4","1") = "6"
    & skf21("3","6","7","7","3","1","5","1") = "6"
    & skf21("3","6","7","7","3","1","6","1") = "6"
    & skf21("3","6","7","7","3","1","7","1") = "6"
    & skf21("3","6","7","7","3","2","1","1") = "6"
    & skf21("3","6","7","7","3","2","2","1") = "6"
    & skf21("3","6","7","7","3","2","3","1") = "6"
    & skf21("3","6","7","7","3","2","4","1") = "6"
    & skf21("3","6","7","7","3","2","5","1") = "6"
    & skf21("3","6","7","7","3","2","6","1") = "6"
    & skf21("3","6","7","7","3","2","7","1") = "6"
    & skf21("3","6","7","7","3","3","1","1") = "6"
    & skf21("3","6","7","7","3","3","2","1") = "6"
    & skf21("3","6","7","7","3","3","3","1") = "6"
    & skf21("3","6","7","7","3","3","4","1") = "6"
    & skf21("3","6","7","7","3","3","5","1") = "6"
    & skf21("3","6","7","7","3","3","6","1") = "6"
    & skf21("3","6","7","7","3","3","7","1") = "6"
    & skf21("3","6","7","7","3","4","1","1") = "6"
    & skf21("3","6","7","7","3","4","2","1") = "6"
    & skf21("3","6","7","7","3","4","3","1") = "6"
    & skf21("3","6","7","7","3","4","4","1") = "6"
    & skf21("3","6","7","7","3","4","5","1") = "6"
    & skf21("3","6","7","7","3","4","6","1") = "6"
    & skf21("3","6","7","7","3","4","7","1") = "6"
    & skf21("3","6","7","7","3","5","1","1") = "6"
    & skf21("3","6","7","7","3","5","2","1") = "6"
    & skf21("3","6","7","7","3","5","3","1") = "6"
    & skf21("3","6","7","7","3","5","4","1") = "6"
    & skf21("3","6","7","7","3","5","5","1") = "6"
    & skf21("3","6","7","7","3","5","6","1") = "6"
    & skf21("3","6","7","7","3","5","7","1") = "6"
    & skf21("3","6","7","7","3","6","1","1") = "6"
    & skf21("3","6","7","7","3","6","2","1") = "6"
    & skf21("3","6","7","7","3","6","3","1") = "6"
    & skf21("3","6","7","7","3","6","4","1") = "6"
    & skf21("3","6","7","7","3","6","5","1") = "6"
    & skf21("3","6","7","7","3","6","6","1") = "6"
    & skf21("3","6","7","7","3","6","7","1") = "6"
    & skf21("3","6","7","7","3","7","1","1") = "6"
    & skf21("3","6","7","7","3","7","2","1") = "6"
    & skf21("3","6","7","7","3","7","3","1") = "6"
    & skf21("3","6","7","7","3","7","4","1") = "6"
    & skf21("3","6","7","7","3","7","5","1") = "6"
    & skf21("3","6","7","7","3","7","6","1") = "6"
    & skf21("3","6","7","7","3","7","7","1") = "6"
    & skf21("3","6","7","7","4","1","1","1") = "6"
    & skf21("3","6","7","7","4","1","2","1") = "6"
    & skf21("3","6","7","7","4","1","3","1") = "6"
    & skf21("3","6","7","7","4","1","4","1") = "6"
    & skf21("3","6","7","7","4","1","5","1") = "6"
    & skf21("3","6","7","7","4","1","6","1") = "6"
    & skf21("3","6","7","7","4","1","7","1") = "6"
    & skf21("3","6","7","7","4","2","1","1") = "6"
    & skf21("3","6","7","7","4","2","2","1") = "6"
    & skf21("3","6","7","7","4","2","3","1") = "6"
    & skf21("3","6","7","7","4","2","4","1") = "6"
    & skf21("3","6","7","7","4","2","5","1") = "6"
    & skf21("3","6","7","7","4","2","6","1") = "6"
    & skf21("3","6","7","7","4","2","7","1") = "6"
    & skf21("3","6","7","7","4","3","1","1") = "6"
    & skf21("3","6","7","7","4","3","2","1") = "6"
    & skf21("3","6","7","7","4","3","3","1") = "6"
    & skf21("3","6","7","7","4","3","4","1") = "6"
    & skf21("3","6","7","7","4","3","5","1") = "6"
    & skf21("3","6","7","7","4","3","6","1") = "6"
    & skf21("3","6","7","7","4","3","7","1") = "6"
    & skf21("3","6","7","7","4","4","1","1") = "6"
    & skf21("3","6","7","7","4","4","2","1") = "6"
    & skf21("3","6","7","7","4","4","3","1") = "6"
    & skf21("3","6","7","7","4","4","4","1") = "6"
    & skf21("3","6","7","7","4","4","5","1") = "6"
    & skf21("3","6","7","7","4","4","6","1") = "6"
    & skf21("3","6","7","7","4","4","7","1") = "6"
    & skf21("3","6","7","7","4","5","1","1") = "6"
    & skf21("3","6","7","7","4","5","2","1") = "6"
    & skf21("3","6","7","7","4","5","3","1") = "6"
    & skf21("3","6","7","7","4","5","4","1") = "6"
    & skf21("3","6","7","7","4","5","5","1") = "6"
    & skf21("3","6","7","7","4","5","6","1") = "6"
    & skf21("3","6","7","7","4","5","7","1") = "6"
    & skf21("3","6","7","7","4","6","1","1") = "6"
    & skf21("3","6","7","7","4","6","2","1") = "6"
    & skf21("3","6","7","7","4","6","3","1") = "6"
    & skf21("3","6","7","7","4","6","4","1") = "6"
    & skf21("3","6","7","7","4","6","5","1") = "6"
    & skf21("3","6","7","7","4","6","6","1") = "6"
    & skf21("3","6","7","7","4","6","7","1") = "6"
    & skf21("3","6","7","7","4","7","1","1") = "6"
    & skf21("3","6","7","7","4","7","2","1") = "6"
    & skf21("3","6","7","7","4","7","3","1") = "6"
    & skf21("3","6","7","7","4","7","4","1") = "6"
    & skf21("3","6","7","7","4","7","5","1") = "6"
    & skf21("3","6","7","7","4","7","6","1") = "6"
    & skf21("3","6","7","7","4","7","7","1") = "6"
    & skf21("3","6","7","7","5","1","1","1") = "6"
    & skf21("3","6","7","7","5","1","2","1") = "6"
    & skf21("3","6","7","7","5","1","3","1") = "6"
    & skf21("3","6","7","7","5","1","4","1") = "6"
    & skf21("3","6","7","7","5","1","5","1") = "6"
    & skf21("3","6","7","7","5","1","6","1") = "6"
    & skf21("3","6","7","7","5","1","7","1") = "6"
    & skf21("3","6","7","7","5","2","1","1") = "6"
    & skf21("3","6","7","7","5","2","2","1") = "6"
    & skf21("3","6","7","7","5","2","3","1") = "6"
    & skf21("3","6","7","7","5","2","4","1") = "6"
    & skf21("3","6","7","7","5","2","5","1") = "6"
    & skf21("3","6","7","7","5","2","6","1") = "6"
    & skf21("3","6","7","7","5","2","7","1") = "6"
    & skf21("3","6","7","7","5","3","1","1") = "6"
    & skf21("3","6","7","7","5","3","2","1") = "6"
    & skf21("3","6","7","7","5","3","3","1") = "6"
    & skf21("3","6","7","7","5","3","4","1") = "6"
    & skf21("3","6","7","7","5","3","5","1") = "6"
    & skf21("3","6","7","7","5","3","6","1") = "6"
    & skf21("3","6","7","7","5","3","7","1") = "6"
    & skf21("3","6","7","7","5","4","1","1") = "6"
    & skf21("3","6","7","7","5","4","2","1") = "6"
    & skf21("3","6","7","7","5","4","3","1") = "6"
    & skf21("3","6","7","7","5","4","4","1") = "6"
    & skf21("3","6","7","7","5","4","5","1") = "6"
    & skf21("3","6","7","7","5","4","6","1") = "6"
    & skf21("3","6","7","7","5","4","7","1") = "6"
    & skf21("3","6","7","7","5","5","1","1") = "6"
    & skf21("3","6","7","7","5","5","2","1") = "6"
    & skf21("3","6","7","7","5","5","3","1") = "6"
    & skf21("3","6","7","7","5","5","4","1") = "6"
    & skf21("3","6","7","7","5","5","5","1") = "6"
    & skf21("3","6","7","7","5","5","6","1") = "6"
    & skf21("3","6","7","7","5","5","7","1") = "6"
    & skf21("3","6","7","7","5","6","1","1") = "6"
    & skf21("3","6","7","7","5","6","2","1") = "6"
    & skf21("3","6","7","7","5","6","3","1") = "6"
    & skf21("3","6","7","7","5","6","4","1") = "6"
    & skf21("3","6","7","7","5","6","5","1") = "6"
    & skf21("3","6","7","7","5","6","6","1") = "6"
    & skf21("3","6","7","7","5","6","7","1") = "6"
    & skf21("3","6","7","7","5","7","1","1") = "6"
    & skf21("3","6","7","7","5","7","2","1") = "6"
    & skf21("3","6","7","7","5","7","3","1") = "6"
    & skf21("3","6","7","7","5","7","4","1") = "6"
    & skf21("3","6","7","7","5","7","5","1") = "6"
    & skf21("3","6","7","7","5","7","6","1") = "6"
    & skf21("3","6","7","7","5","7","7","1") = "6"
    & skf21("3","6","7","7","6","1","1","1") = "6"
    & skf21("3","6","7","7","6","1","2","1") = "6"
    & skf21("3","6","7","7","6","1","3","1") = "6"
    & skf21("3","6","7","7","6","1","4","1") = "6"
    & skf21("3","6","7","7","6","1","5","1") = "6"
    & skf21("3","6","7","7","6","1","6","1") = "6"
    & skf21("3","6","7","7","6","1","7","1") = "6"
    & skf21("3","6","7","7","6","2","1","1") = "6"
    & skf21("3","6","7","7","6","2","2","1") = "6"
    & skf21("3","6","7","7","6","2","3","1") = "6"
    & skf21("3","6","7","7","6","2","4","1") = "6"
    & skf21("3","6","7","7","6","2","5","1") = "6"
    & skf21("3","6","7","7","6","2","6","1") = "6"
    & skf21("3","6","7","7","6","2","7","1") = "6"
    & skf21("3","6","7","7","6","3","1","1") = "6"
    & skf21("3","6","7","7","6","3","2","1") = "6"
    & skf21("3","6","7","7","6","3","3","1") = "6"
    & skf21("3","6","7","7","6","3","4","1") = "6"
    & skf21("3","6","7","7","6","3","5","1") = "6"
    & skf21("3","6","7","7","6","3","6","1") = "6"
    & skf21("3","6","7","7","6","3","7","1") = "6"
    & skf21("3","6","7","7","6","4","1","1") = "6"
    & skf21("3","6","7","7","6","4","2","1") = "6"
    & skf21("3","6","7","7","6","4","3","1") = "6"
    & skf21("3","6","7","7","6","4","4","1") = "6"
    & skf21("3","6","7","7","6","4","5","1") = "6"
    & skf21("3","6","7","7","6","4","6","1") = "6"
    & skf21("3","6","7","7","6","4","7","1") = "6"
    & skf21("3","6","7","7","6","5","1","1") = "6"
    & skf21("3","6","7","7","6","5","2","1") = "6"
    & skf21("3","6","7","7","6","5","3","1") = "6"
    & skf21("3","6","7","7","6","5","4","1") = "6"
    & skf21("3","6","7","7","6","5","5","1") = "6"
    & skf21("3","6","7","7","6","5","6","1") = "6"
    & skf21("3","6","7","7","6","5","7","1") = "6"
    & skf21("3","6","7","7","6","6","1","1") = "6"
    & skf21("3","6","7","7","6","6","2","1") = "6"
    & skf21("3","6","7","7","6","6","3","1") = "6"
    & skf21("3","6","7","7","6","6","4","1") = "6"
    & skf21("3","6","7","7","6","6","5","1") = "6"
    & skf21("3","6","7","7","6","6","6","1") = "6"
    & skf21("3","6","7","7","6","6","7","1") = "6"
    & skf21("3","6","7","7","6","7","1","1") = "6"
    & skf21("3","6","7","7","6","7","2","1") = "6"
    & skf21("3","6","7","7","6","7","3","1") = "6"
    & skf21("3","6","7","7","6","7","4","1") = "6"
    & skf21("3","6","7","7","6","7","5","1") = "6"
    & skf21("3","6","7","7","6","7","6","1") = "6"
    & skf21("3","6","7","7","6","7","7","1") = "6"
    & skf21("3","6","7","7","7","1","1","1") = "6"
    & skf21("3","6","7","7","7","1","2","1") = "6"
    & skf21("3","6","7","7","7","1","3","1") = "6"
    & skf21("3","6","7","7","7","1","4","1") = "6"
    & skf21("3","6","7","7","7","1","5","1") = "6"
    & skf21("3","6","7","7","7","1","6","1") = "6"
    & skf21("3","6","7","7","7","1","7","1") = "6"
    & skf21("3","6","7","7","7","2","1","1") = "6"
    & skf21("3","6","7","7","7","2","2","1") = "6"
    & skf21("3","6","7","7","7","2","3","1") = "6"
    & skf21("3","6","7","7","7","2","4","1") = "6"
    & skf21("3","6","7","7","7","2","5","1") = "6"
    & skf21("3","6","7","7","7","2","6","1") = "6"
    & skf21("3","6","7","7","7","2","7","1") = "6"
    & skf21("3","6","7","7","7","3","1","1") = "6"
    & skf21("3","6","7","7","7","3","2","1") = "6"
    & skf21("3","6","7","7","7","3","3","1") = "6"
    & skf21("3","6","7","7","7","3","4","1") = "6"
    & skf21("3","6","7","7","7","3","5","1") = "6"
    & skf21("3","6","7","7","7","3","6","1") = "6"
    & skf21("3","6","7","7","7","3","7","1") = "6"
    & skf21("3","6","7","7","7","4","1","1") = "6"
    & skf21("3","6","7","7","7","4","2","1") = "6"
    & skf21("3","6","7","7","7","4","3","1") = "6"
    & skf21("3","6","7","7","7","4","4","1") = "6"
    & skf21("3","6","7","7","7","4","5","1") = "6"
    & skf21("3","6","7","7","7","4","6","1") = "6"
    & skf21("3","6","7","7","7","4","7","1") = "6"
    & skf21("3","6","7","7","7","5","1","1") = "6"
    & skf21("3","6","7","7","7","5","2","1") = "6"
    & skf21("3","6","7","7","7","5","3","1") = "6"
    & skf21("3","6","7","7","7","5","4","1") = "6"
    & skf21("3","6","7","7","7","5","5","1") = "6"
    & skf21("3","6","7","7","7","5","6","1") = "6"
    & skf21("3","6","7","7","7","5","7","1") = "6"
    & skf21("3","6","7","7","7","6","1","1") = "6"
    & skf21("3","6","7","7","7","6","2","1") = "6"
    & skf21("3","6","7","7","7","6","3","1") = "6"
    & skf21("3","6","7","7","7","6","4","1") = "6"
    & skf21("3","6","7","7","7","6","5","1") = "6"
    & skf21("3","6","7","7","7","6","6","1") = "6"
    & skf21("3","6","7","7","7","6","7","1") = "6"
    & skf21("3","6","7","7","7","7","1","1") = "6"
    & skf21("3","6","7","7","7","7","2","1") = "6"
    & skf21("3","6","7","7","7","7","3","1") = "6"
    & skf21("3","6","7","7","7","7","4","1") = "6"
    & skf21("3","6","7","7","7","7","5","1") = "6"
    & skf21("3","6","7","7","7","7","6","1") = "6"
    & skf21("3","6","7","7","7","7","7","1") = "6"
    & skf21("3","7","1","1","1","1","1","1") = "6"
    & skf21("3","7","1","1","1","1","2","1") = "6"
    & skf21("3","7","1","1","1","1","3","1") = "6"
    & skf21("3","7","1","1","1","1","4","1") = "6"
    & skf21("3","7","1","1","1","1","5","1") = "6"
    & skf21("3","7","1","1","1","1","6","1") = "6"
    & skf21("3","7","1","1","1","1","7","1") = "6"
    & skf21("3","7","1","1","1","2","1","1") = "6"
    & skf21("3","7","1","1","1","2","2","1") = "6"
    & skf21("3","7","1","1","1","2","3","1") = "6"
    & skf21("3","7","1","1","1","2","4","1") = "6"
    & skf21("3","7","1","1","1","2","5","1") = "6"
    & skf21("3","7","1","1","1","2","6","1") = "6"
    & skf21("3","7","1","1","1","2","7","1") = "6"
    & skf21("3","7","1","1","1","3","1","1") = "6"
    & skf21("3","7","1","1","1","3","2","1") = "6"
    & skf21("3","7","1","1","1","3","3","1") = "6"
    & skf21("3","7","1","1","1","3","4","1") = "6"
    & skf21("3","7","1","1","1","3","5","1") = "6"
    & skf21("3","7","1","1","1","3","6","1") = "6"
    & skf21("3","7","1","1","1","3","7","1") = "6"
    & skf21("3","7","1","1","1","4","1","1") = "6"
    & skf21("3","7","1","1","1","4","2","1") = "6"
    & skf21("3","7","1","1","1","4","3","1") = "6"
    & skf21("3","7","1","1","1","4","4","1") = "6"
    & skf21("3","7","1","1","1","4","5","1") = "6"
    & skf21("3","7","1","1","1","4","6","1") = "6"
    & skf21("3","7","1","1","1","4","7","1") = "6"
    & skf21("3","7","1","1","1","5","1","1") = "6"
    & skf21("3","7","1","1","1","5","2","1") = "6"
    & skf21("3","7","1","1","1","5","3","1") = "6"
    & skf21("3","7","1","1","1","5","4","1") = "6"
    & skf21("3","7","1","1","1","5","5","1") = "6"
    & skf21("3","7","1","1","1","5","6","1") = "6"
    & skf21("3","7","1","1","1","5","7","1") = "6"
    & skf21("3","7","1","1","1","6","1","1") = "6"
    & skf21("3","7","1","1","1","6","2","1") = "6"
    & skf21("3","7","1","1","1","6","3","1") = "6"
    & skf21("3","7","1","1","1","6","4","1") = "6"
    & skf21("3","7","1","1","1","6","5","1") = "6"
    & skf21("3","7","1","1","1","6","6","1") = "6"
    & skf21("3","7","1","1","1","6","7","1") = "6"
    & skf21("3","7","1","1","1","7","1","1") = "6"
    & skf21("3","7","1","1","1","7","2","1") = "6"
    & skf21("3","7","1","1","1","7","3","1") = "6"
    & skf21("3","7","1","1","1","7","4","1") = "6"
    & skf21("3","7","1","1","1","7","5","1") = "6"
    & skf21("3","7","1","1","1","7","6","1") = "6"
    & skf21("3","7","1","1","1","7","7","1") = "6"
    & skf21("3","7","1","1","2","1","1","1") = "6"
    & skf21("3","7","1","1","2","1","2","1") = "6"
    & skf21("3","7","1","1","2","1","3","1") = "6"
    & skf21("3","7","1","1","2","1","4","1") = "6"
    & skf21("3","7","1","1","2","1","5","1") = "6"
    & skf21("3","7","1","1","2","1","6","1") = "6"
    & skf21("3","7","1","1","2","1","7","1") = "6"
    & skf21("3","7","1","1","2","2","1","1") = "6"
    & skf21("3","7","1","1","2","2","2","1") = "6"
    & skf21("3","7","1","1","2","2","3","1") = "6"
    & skf21("3","7","1","1","2","2","4","1") = "6"
    & skf21("3","7","1","1","2","2","5","1") = "6"
    & skf21("3","7","1","1","2","2","6","1") = "6"
    & skf21("3","7","1","1","2","2","7","1") = "6"
    & skf21("3","7","1","1","2","3","1","1") = "6"
    & skf21("3","7","1","1","2","3","2","1") = "6"
    & skf21("3","7","1","1","2","3","3","1") = "6"
    & skf21("3","7","1","1","2","3","4","1") = "6"
    & skf21("3","7","1","1","2","3","5","1") = "6"
    & skf21("3","7","1","1","2","3","6","1") = "6"
    & skf21("3","7","1","1","2","3","7","1") = "6"
    & skf21("3","7","1","1","2","4","1","1") = "6"
    & skf21("3","7","1","1","2","4","2","1") = "6"
    & skf21("3","7","1","1","2","4","3","1") = "6"
    & skf21("3","7","1","1","2","4","4","1") = "6"
    & skf21("3","7","1","1","2","4","5","1") = "6"
    & skf21("3","7","1","1","2","4","6","1") = "6"
    & skf21("3","7","1","1","2","4","7","1") = "6"
    & skf21("3","7","1","1","2","5","1","1") = "6"
    & skf21("3","7","1","1","2","5","2","1") = "6"
    & skf21("3","7","1","1","2","5","3","1") = "6"
    & skf21("3","7","1","1","2","5","4","1") = "6"
    & skf21("3","7","1","1","2","5","5","1") = "6"
    & skf21("3","7","1","1","2","5","6","1") = "6"
    & skf21("3","7","1","1","2","5","7","1") = "6"
    & skf21("3","7","1","1","2","6","1","1") = "6"
    & skf21("3","7","1","1","2","6","2","1") = "6"
    & skf21("3","7","1","1","2","6","3","1") = "6"
    & skf21("3","7","1","1","2","6","4","1") = "6"
    & skf21("3","7","1","1","2","6","5","1") = "6"
    & skf21("3","7","1","1","2","6","6","1") = "6"
    & skf21("3","7","1","1","2","6","7","1") = "6"
    & skf21("3","7","1","1","2","7","1","1") = "6"
    & skf21("3","7","1","1","2","7","2","1") = "6"
    & skf21("3","7","1","1","2","7","3","1") = "6"
    & skf21("3","7","1","1","2","7","4","1") = "6"
    & skf21("3","7","1","1","2","7","5","1") = "6"
    & skf21("3","7","1","1","2","7","6","1") = "6"
    & skf21("3","7","1","1","2","7","7","1") = "6"
    & skf21("3","7","1","1","3","1","1","1") = "6"
    & skf21("3","7","1","1","3","1","2","1") = "6"
    & skf21("3","7","1","1","3","1","3","1") = "6"
    & skf21("3","7","1","1","3","1","4","1") = "6"
    & skf21("3","7","1","1","3","1","5","1") = "6"
    & skf21("3","7","1","1","3","1","6","1") = "6"
    & skf21("3","7","1","1","3","1","7","1") = "6"
    & skf21("3","7","1","1","3","2","1","1") = "6"
    & skf21("3","7","1","1","3","2","2","1") = "6"
    & skf21("3","7","1","1","3","2","3","1") = "6"
    & skf21("3","7","1","1","3","2","4","1") = "6"
    & skf21("3","7","1","1","3","2","5","1") = "6"
    & skf21("3","7","1","1","3","2","6","1") = "6"
    & skf21("3","7","1","1","3","2","7","1") = "6"
    & skf21("3","7","1","1","3","3","1","1") = "6"
    & skf21("3","7","1","1","3","3","2","1") = "6"
    & skf21("3","7","1","1","3","3","3","1") = "6"
    & skf21("3","7","1","1","3","3","4","1") = "6"
    & skf21("3","7","1","1","3","3","5","1") = "6"
    & skf21("3","7","1","1","3","3","6","1") = "6"
    & skf21("3","7","1","1","3","3","7","1") = "6"
    & skf21("3","7","1","1","3","4","1","1") = "6"
    & skf21("3","7","1","1","3","4","2","1") = "6"
    & skf21("3","7","1","1","3","4","3","1") = "6"
    & skf21("3","7","1","1","3","4","4","1") = "6"
    & skf21("3","7","1","1","3","4","5","1") = "6"
    & skf21("3","7","1","1","3","4","6","1") = "6"
    & skf21("3","7","1","1","3","4","7","1") = "6"
    & skf21("3","7","1","1","3","5","1","1") = "6"
    & skf21("3","7","1","1","3","5","2","1") = "6"
    & skf21("3","7","1","1","3","5","3","1") = "6"
    & skf21("3","7","1","1","3","5","4","1") = "6"
    & skf21("3","7","1","1","3","5","5","1") = "6"
    & skf21("3","7","1","1","3","5","6","1") = "6"
    & skf21("3","7","1","1","3","5","7","1") = "6"
    & skf21("3","7","1","1","3","6","1","1") = "6"
    & skf21("3","7","1","1","3","6","2","1") = "6"
    & skf21("3","7","1","1","3","6","3","1") = "6"
    & skf21("3","7","1","1","3","6","4","1") = "6"
    & skf21("3","7","1","1","3","6","5","1") = "6"
    & skf21("3","7","1","1","3","6","6","1") = "6"
    & skf21("3","7","1","1","3","6","7","1") = "6"
    & skf21("3","7","1","1","3","7","1","1") = "6"
    & skf21("3","7","1","1","3","7","2","1") = "6"
    & skf21("3","7","1","1","3","7","3","1") = "6"
    & skf21("3","7","1","1","3","7","4","1") = "6"
    & skf21("3","7","1","1","3","7","5","1") = "6"
    & skf21("3","7","1","1","3","7","6","1") = "6"
    & skf21("3","7","1","1","3","7","7","1") = "6"
    & skf21("3","7","1","1","4","1","1","1") = "6"
    & skf21("3","7","1","1","4","1","2","1") = "6"
    & skf21("3","7","1","1","4","1","3","1") = "6"
    & skf21("3","7","1","1","4","1","4","1") = "6"
    & skf21("3","7","1","1","4","1","5","1") = "6"
    & skf21("3","7","1","1","4","1","6","1") = "6"
    & skf21("3","7","1","1","4","1","7","1") = "6"
    & skf21("3","7","1","1","4","2","1","1") = "6"
    & skf21("3","7","1","1","4","2","2","1") = "6"
    & skf21("3","7","1","1","4","2","3","1") = "6"
    & skf21("3","7","1","1","4","2","4","1") = "6"
    & skf21("3","7","1","1","4","2","5","1") = "6"
    & skf21("3","7","1","1","4","2","6","1") = "6"
    & skf21("3","7","1","1","4","2","7","1") = "6"
    & skf21("3","7","1","1","4","3","1","1") = "6"
    & skf21("3","7","1","1","4","3","2","1") = "6"
    & skf21("3","7","1","1","4","3","3","1") = "6"
    & skf21("3","7","1","1","4","3","4","1") = "6"
    & skf21("3","7","1","1","4","3","5","1") = "6"
    & skf21("3","7","1","1","4","3","6","1") = "6"
    & skf21("3","7","1","1","4","3","7","1") = "6"
    & skf21("3","7","1","1","4","4","1","1") = "6"
    & skf21("3","7","1","1","4","4","2","1") = "6"
    & skf21("3","7","1","1","4","4","3","1") = "6"
    & skf21("3","7","1","1","4","4","4","1") = "6"
    & skf21("3","7","1","1","4","4","5","1") = "6"
    & skf21("3","7","1","1","4","4","6","1") = "6"
    & skf21("3","7","1","1","4","4","7","1") = "6"
    & skf21("3","7","1","1","4","5","1","1") = "6"
    & skf21("3","7","1","1","4","5","2","1") = "6"
    & skf21("3","7","1","1","4","5","3","1") = "6"
    & skf21("3","7","1","1","4","5","4","1") = "6"
    & skf21("3","7","1","1","4","5","5","1") = "6"
    & skf21("3","7","1","1","4","5","6","1") = "6"
    & skf21("3","7","1","1","4","5","7","1") = "6"
    & skf21("3","7","1","1","4","6","1","1") = "6"
    & skf21("3","7","1","1","4","6","2","1") = "6"
    & skf21("3","7","1","1","4","6","3","1") = "6"
    & skf21("3","7","1","1","4","6","4","1") = "6"
    & skf21("3","7","1","1","4","6","5","1") = "6"
    & skf21("3","7","1","1","4","6","6","1") = "6"
    & skf21("3","7","1","1","4","6","7","1") = "6"
    & skf21("3","7","1","1","4","7","1","1") = "6"
    & skf21("3","7","1","1","4","7","2","1") = "6"
    & skf21("3","7","1","1","4","7","3","1") = "6"
    & skf21("3","7","1","1","4","7","4","1") = "6"
    & skf21("3","7","1","1","4","7","5","1") = "6"
    & skf21("3","7","1","1","4","7","6","1") = "6"
    & skf21("3","7","1","1","4","7","7","1") = "6"
    & skf21("3","7","1","1","5","1","1","1") = "6"
    & skf21("3","7","1","1","5","1","2","1") = "6"
    & skf21("3","7","1","1","5","1","3","1") = "6"
    & skf21("3","7","1","1","5","1","4","1") = "6"
    & skf21("3","7","1","1","5","1","5","1") = "6"
    & skf21("3","7","1","1","5","1","6","1") = "6"
    & skf21("3","7","1","1","5","1","7","1") = "6"
    & skf21("3","7","1","1","5","2","1","1") = "6"
    & skf21("3","7","1","1","5","2","2","1") = "6"
    & skf21("3","7","1","1","5","2","3","1") = "6"
    & skf21("3","7","1","1","5","2","4","1") = "6"
    & skf21("3","7","1","1","5","2","5","1") = "6"
    & skf21("3","7","1","1","5","2","6","1") = "6"
    & skf21("3","7","1","1","5","2","7","1") = "6"
    & skf21("3","7","1","1","5","3","1","1") = "6"
    & skf21("3","7","1","1","5","3","2","1") = "6"
    & skf21("3","7","1","1","5","3","3","1") = "6"
    & skf21("3","7","1","1","5","3","4","1") = "6"
    & skf21("3","7","1","1","5","3","5","1") = "6"
    & skf21("3","7","1","1","5","3","6","1") = "6"
    & skf21("3","7","1","1","5","3","7","1") = "6"
    & skf21("3","7","1","1","5","4","1","1") = "6"
    & skf21("3","7","1","1","5","4","2","1") = "6"
    & skf21("3","7","1","1","5","4","3","1") = "6"
    & skf21("3","7","1","1","5","4","4","1") = "6"
    & skf21("3","7","1","1","5","4","5","1") = "6"
    & skf21("3","7","1","1","5","4","6","1") = "6"
    & skf21("3","7","1","1","5","4","7","1") = "6"
    & skf21("3","7","1","1","5","5","1","1") = "6"
    & skf21("3","7","1","1","5","5","2","1") = "6"
    & skf21("3","7","1","1","5","5","3","1") = "6"
    & skf21("3","7","1","1","5","5","4","1") = "6"
    & skf21("3","7","1","1","5","5","5","1") = "6"
    & skf21("3","7","1","1","5","5","6","1") = "6"
    & skf21("3","7","1","1","5","5","7","1") = "6"
    & skf21("3","7","1","1","5","6","1","1") = "6"
    & skf21("3","7","1","1","5","6","2","1") = "6"
    & skf21("3","7","1","1","5","6","3","1") = "6"
    & skf21("3","7","1","1","5","6","4","1") = "6"
    & skf21("3","7","1","1","5","6","5","1") = "6"
    & skf21("3","7","1","1","5","6","6","1") = "6"
    & skf21("3","7","1","1","5","6","7","1") = "6"
    & skf21("3","7","1","1","5","7","1","1") = "6"
    & skf21("3","7","1","1","5","7","2","1") = "6"
    & skf21("3","7","1","1","5","7","3","1") = "6"
    & skf21("3","7","1","1","5","7","4","1") = "6"
    & skf21("3","7","1","1","5","7","5","1") = "6"
    & skf21("3","7","1","1","5","7","6","1") = "6"
    & skf21("3","7","1","1","5","7","7","1") = "6"
    & skf21("3","7","1","1","6","1","1","1") = "6"
    & skf21("3","7","1","1","6","1","2","1") = "6"
    & skf21("3","7","1","1","6","1","3","1") = "6"
    & skf21("3","7","1","1","6","1","4","1") = "6"
    & skf21("3","7","1","1","6","1","5","1") = "6"
    & skf21("3","7","1","1","6","1","6","1") = "6"
    & skf21("3","7","1","1","6","1","7","1") = "6"
    & skf21("3","7","1","1","6","2","1","1") = "6"
    & skf21("3","7","1","1","6","2","2","1") = "6"
    & skf21("3","7","1","1","6","2","3","1") = "6"
    & skf21("3","7","1","1","6","2","4","1") = "6"
    & skf21("3","7","1","1","6","2","5","1") = "6"
    & skf21("3","7","1","1","6","2","6","1") = "6"
    & skf21("3","7","1","1","6","2","7","1") = "6"
    & skf21("3","7","1","1","6","3","1","1") = "6"
    & skf21("3","7","1","1","6","3","2","1") = "6"
    & skf21("3","7","1","1","6","3","3","1") = "6"
    & skf21("3","7","1","1","6","3","4","1") = "6"
    & skf21("3","7","1","1","6","3","5","1") = "6"
    & skf21("3","7","1","1","6","3","6","1") = "6"
    & skf21("3","7","1","1","6","3","7","1") = "6"
    & skf21("3","7","1","1","6","4","1","1") = "6"
    & skf21("3","7","1","1","6","4","2","1") = "6"
    & skf21("3","7","1","1","6","4","3","1") = "6"
    & skf21("3","7","1","1","6","4","4","1") = "6"
    & skf21("3","7","1","1","6","4","5","1") = "6"
    & skf21("3","7","1","1","6","4","6","1") = "6"
    & skf21("3","7","1","1","6","4","7","1") = "6"
    & skf21("3","7","1","1","6","5","1","1") = "6"
    & skf21("3","7","1","1","6","5","2","1") = "6"
    & skf21("3","7","1","1","6","5","3","1") = "6"
    & skf21("3","7","1","1","6","5","4","1") = "6"
    & skf21("3","7","1","1","6","5","5","1") = "6"
    & skf21("3","7","1","1","6","5","6","1") = "6"
    & skf21("3","7","1","1","6","5","7","1") = "6"
    & skf21("3","7","1","1","6","6","1","1") = "6"
    & skf21("3","7","1","1","6","6","2","1") = "6"
    & skf21("3","7","1","1","6","6","3","1") = "6"
    & skf21("3","7","1","1","6","6","4","1") = "6"
    & skf21("3","7","1","1","6","6","5","1") = "6"
    & skf21("3","7","1","1","6","6","6","1") = "6"
    & skf21("3","7","1","1","6","6","7","1") = "6"
    & skf21("3","7","1","1","6","7","1","1") = "6"
    & skf21("3","7","1","1","6","7","2","1") = "6"
    & skf21("3","7","1","1","6","7","3","1") = "6"
    & skf21("3","7","1","1","6","7","4","1") = "6"
    & skf21("3","7","1","1","6","7","5","1") = "6"
    & skf21("3","7","1","1","6","7","6","1") = "6"
    & skf21("3","7","1","1","6","7","7","1") = "6"
    & skf21("3","7","1","1","7","1","1","1") = "6"
    & skf21("3","7","1","1","7","1","2","1") = "6"
    & skf21("3","7","1","1","7","1","3","1") = "6"
    & skf21("3","7","1","1","7","1","4","1") = "6"
    & skf21("3","7","1","1","7","1","5","1") = "6"
    & skf21("3","7","1","1","7","1","6","1") = "6"
    & skf21("3","7","1","1","7","1","7","1") = "6"
    & skf21("3","7","1","1","7","2","1","1") = "6"
    & skf21("3","7","1","1","7","2","2","1") = "6"
    & skf21("3","7","1","1","7","2","3","1") = "6"
    & skf21("3","7","1","1","7","2","4","1") = "6"
    & skf21("3","7","1","1","7","2","5","1") = "6"
    & skf21("3","7","1","1","7","2","6","1") = "6"
    & skf21("3","7","1","1","7","2","7","1") = "6"
    & skf21("3","7","1","1","7","3","1","1") = "6"
    & skf21("3","7","1","1","7","3","2","1") = "6"
    & skf21("3","7","1","1","7","3","3","1") = "6"
    & skf21("3","7","1","1","7","3","4","1") = "6"
    & skf21("3","7","1","1","7","3","5","1") = "6"
    & skf21("3","7","1","1","7","3","6","1") = "6"
    & skf21("3","7","1","1","7","3","7","1") = "6"
    & skf21("3","7","1","1","7","4","1","1") = "6"
    & skf21("3","7","1","1","7","4","2","1") = "6"
    & skf21("3","7","1","1","7","4","3","1") = "6"
    & skf21("3","7","1","1","7","4","4","1") = "6"
    & skf21("3","7","1","1","7","4","5","1") = "6"
    & skf21("3","7","1","1","7","4","6","1") = "6"
    & skf21("3","7","1","1","7","4","7","1") = "6"
    & skf21("3","7","1","1","7","5","1","1") = "6"
    & skf21("3","7","1","1","7","5","2","1") = "6"
    & skf21("3","7","1","1","7","5","3","1") = "6"
    & skf21("3","7","1","1","7","5","4","1") = "6"
    & skf21("3","7","1","1","7","5","5","1") = "6"
    & skf21("3","7","1","1","7","5","6","1") = "6"
    & skf21("3","7","1","1","7","5","7","1") = "6"
    & skf21("3","7","1","1","7","6","1","1") = "6"
    & skf21("3","7","1","1","7","6","2","1") = "6"
    & skf21("3","7","1","1","7","6","3","1") = "6"
    & skf21("3","7","1","1","7","6","4","1") = "6"
    & skf21("3","7","1","1","7","6","5","1") = "6"
    & skf21("3","7","1","1","7","6","6","1") = "6"
    & skf21("3","7","1","1","7","6","7","1") = "6"
    & skf21("3","7","1","1","7","7","1","1") = "6"
    & skf21("3","7","1","1","7","7","2","1") = "6"
    & skf21("3","7","1","1","7","7","3","1") = "6"
    & skf21("3","7","1","1","7","7","4","1") = "6"
    & skf21("3","7","1","1","7","7","5","1") = "6"
    & skf21("3","7","1","1","7","7","6","1") = "6"
    & skf21("3","7","1","1","7","7","7","1") = "6"
    & skf21("3","7","1","2","1","1","1","1") = "6"
    & skf21("3","7","1","2","1","1","2","1") = "6"
    & skf21("3","7","1","2","1","1","3","1") = "6"
    & skf21("3","7","1","2","1","1","4","1") = "6"
    & skf21("3","7","1","2","1","1","5","1") = "6"
    & skf21("3","7","1","2","1","1","6","1") = "6"
    & skf21("3","7","1","2","1","1","7","1") = "6"
    & skf21("3","7","1","2","1","2","1","1") = "6"
    & skf21("3","7","1","2","1","2","2","1") = "6"
    & skf21("3","7","1","2","1","2","3","1") = "6"
    & skf21("3","7","1","2","1","2","4","1") = "6"
    & skf21("3","7","1","2","1","2","5","1") = "6"
    & skf21("3","7","1","2","1","2","6","1") = "6"
    & skf21("3","7","1","2","1","2","7","1") = "6"
    & skf21("3","7","1","2","1","3","1","1") = "6"
    & skf21("3","7","1","2","1","3","2","1") = "6"
    & skf21("3","7","1","2","1","3","3","1") = "6"
    & skf21("3","7","1","2","1","3","4","1") = "6"
    & skf21("3","7","1","2","1","3","5","1") = "6"
    & skf21("3","7","1","2","1","3","6","1") = "6"
    & skf21("3","7","1","2","1","3","7","1") = "6"
    & skf21("3","7","1","2","1","4","1","1") = "6"
    & skf21("3","7","1","2","1","4","2","1") = "6"
    & skf21("3","7","1","2","1","4","3","1") = "6"
    & skf21("3","7","1","2","1","4","4","1") = "6"
    & skf21("3","7","1","2","1","4","5","1") = "6"
    & skf21("3","7","1","2","1","4","6","1") = "6"
    & skf21("3","7","1","2","1","4","7","1") = "6"
    & skf21("3","7","1","2","1","5","1","1") = "6"
    & skf21("3","7","1","2","1","5","2","1") = "6"
    & skf21("3","7","1","2","1","5","3","1") = "6"
    & skf21("3","7","1","2","1","5","4","1") = "6"
    & skf21("3","7","1","2","1","5","5","1") = "6"
    & skf21("3","7","1","2","1","5","6","1") = "6"
    & skf21("3","7","1","2","1","5","7","1") = "6"
    & skf21("3","7","1","2","1","6","1","1") = "6"
    & skf21("3","7","1","2","1","6","2","1") = "6"
    & skf21("3","7","1","2","1","6","3","1") = "6"
    & skf21("3","7","1","2","1","6","4","1") = "6"
    & skf21("3","7","1","2","1","6","5","1") = "6"
    & skf21("3","7","1","2","1","6","6","1") = "6"
    & skf21("3","7","1","2","1","6","7","1") = "6"
    & skf21("3","7","1","2","1","7","1","1") = "6"
    & skf21("3","7","1","2","1","7","2","1") = "6"
    & skf21("3","7","1","2","1","7","3","1") = "6"
    & skf21("3","7","1","2","1","7","4","1") = "6"
    & skf21("3","7","1","2","1","7","5","1") = "6"
    & skf21("3","7","1","2","1","7","6","1") = "6"
    & skf21("3","7","1","2","1","7","7","1") = "6"
    & skf21("3","7","1","2","2","1","1","1") = "6"
    & skf21("3","7","1","2","2","1","2","1") = "6"
    & skf21("3","7","1","2","2","1","3","1") = "6"
    & skf21("3","7","1","2","2","1","4","1") = "6"
    & skf21("3","7","1","2","2","1","5","1") = "6"
    & skf21("3","7","1","2","2","1","6","1") = "6"
    & skf21("3","7","1","2","2","1","7","1") = "6"
    & skf21("3","7","1","2","2","2","1","1") = "6"
    & skf21("3","7","1","2","2","2","2","1") = "6"
    & skf21("3","7","1","2","2","2","3","1") = "6"
    & skf21("3","7","1","2","2","2","4","1") = "6"
    & skf21("3","7","1","2","2","2","5","1") = "6"
    & skf21("3","7","1","2","2","2","6","1") = "6"
    & skf21("3","7","1","2","2","2","7","1") = "6"
    & skf21("3","7","1","2","2","3","1","1") = "6"
    & skf21("3","7","1","2","2","3","2","1") = "6"
    & skf21("3","7","1","2","2","3","3","1") = "6"
    & skf21("3","7","1","2","2","3","4","1") = "6"
    & skf21("3","7","1","2","2","3","5","1") = "6"
    & skf21("3","7","1","2","2","3","6","1") = "6"
    & skf21("3","7","1","2","2","3","7","1") = "6"
    & skf21("3","7","1","2","2","4","1","1") = "6"
    & skf21("3","7","1","2","2","4","2","1") = "6"
    & skf21("3","7","1","2","2","4","3","1") = "6"
    & skf21("3","7","1","2","2","4","4","1") = "6"
    & skf21("3","7","1","2","2","4","5","1") = "6"
    & skf21("3","7","1","2","2","4","6","1") = "6"
    & skf21("3","7","1","2","2","4","7","1") = "6"
    & skf21("3","7","1","2","2","5","1","1") = "6"
    & skf21("3","7","1","2","2","5","2","1") = "6"
    & skf21("3","7","1","2","2","5","3","1") = "6"
    & skf21("3","7","1","2","2","5","4","1") = "6"
    & skf21("3","7","1","2","2","5","5","1") = "6"
    & skf21("3","7","1","2","2","5","6","1") = "6"
    & skf21("3","7","1","2","2","5","7","1") = "6"
    & skf21("3","7","1","2","2","6","1","1") = "6"
    & skf21("3","7","1","2","2","6","2","1") = "6"
    & skf21("3","7","1","2","2","6","3","1") = "6"
    & skf21("3","7","1","2","2","6","4","1") = "6"
    & skf21("3","7","1","2","2","6","5","1") = "6"
    & skf21("3","7","1","2","2","6","6","1") = "6"
    & skf21("3","7","1","2","2","6","7","1") = "6"
    & skf21("3","7","1","2","2","7","1","1") = "6"
    & skf21("3","7","1","2","2","7","2","1") = "6"
    & skf21("3","7","1","2","2","7","3","1") = "6"
    & skf21("3","7","1","2","2","7","4","1") = "6"
    & skf21("3","7","1","2","2","7","5","1") = "6"
    & skf21("3","7","1","2","2","7","6","1") = "6"
    & skf21("3","7","1","2","2","7","7","1") = "6"
    & skf21("3","7","1","2","3","1","1","1") = "6"
    & skf21("3","7","1","2","3","1","2","1") = "6"
    & skf21("3","7","1","2","3","1","3","1") = "6"
    & skf21("3","7","1","2","3","1","4","1") = "6"
    & skf21("3","7","1","2","3","1","5","1") = "6"
    & skf21("3","7","1","2","3","1","6","1") = "6"
    & skf21("3","7","1","2","3","1","7","1") = "6"
    & skf21("3","7","1","2","3","2","1","1") = "6"
    & skf21("3","7","1","2","3","2","2","1") = "6"
    & skf21("3","7","1","2","3","2","3","1") = "6"
    & skf21("3","7","1","2","3","2","4","1") = "6"
    & skf21("3","7","1","2","3","2","5","1") = "6"
    & skf21("3","7","1","2","3","2","6","1") = "6"
    & skf21("3","7","1","2","3","2","7","1") = "6"
    & skf21("3","7","1","2","3","3","1","1") = "6"
    & skf21("3","7","1","2","3","3","2","1") = "6"
    & skf21("3","7","1","2","3","3","3","1") = "6"
    & skf21("3","7","1","2","3","3","4","1") = "6"
    & skf21("3","7","1","2","3","3","5","1") = "6"
    & skf21("3","7","1","2","3","3","6","1") = "6"
    & skf21("3","7","1","2","3","3","7","1") = "6"
    & skf21("3","7","1","2","3","4","1","1") = "6"
    & skf21("3","7","1","2","3","4","2","1") = "6"
    & skf21("3","7","1","2","3","4","3","1") = "6"
    & skf21("3","7","1","2","3","4","4","1") = "6"
    & skf21("3","7","1","2","3","4","5","1") = "6"
    & skf21("3","7","1","2","3","4","6","1") = "6"
    & skf21("3","7","1","2","3","4","7","1") = "6"
    & skf21("3","7","1","2","3","5","1","1") = "6"
    & skf21("3","7","1","2","3","5","2","1") = "6"
    & skf21("3","7","1","2","3","5","3","1") = "6"
    & skf21("3","7","1","2","3","5","4","1") = "6"
    & skf21("3","7","1","2","3","5","5","1") = "6"
    & skf21("3","7","1","2","3","5","6","1") = "6"
    & skf21("3","7","1","2","3","5","7","1") = "6"
    & skf21("3","7","1","2","3","6","1","1") = "6"
    & skf21("3","7","1","2","3","6","2","1") = "6"
    & skf21("3","7","1","2","3","6","3","1") = "6"
    & skf21("3","7","1","2","3","6","4","1") = "6"
    & skf21("3","7","1","2","3","6","5","1") = "6"
    & skf21("3","7","1","2","3","6","6","1") = "6"
    & skf21("3","7","1","2","3","6","7","1") = "6"
    & skf21("3","7","1","2","3","7","1","1") = "6"
    & skf21("3","7","1","2","3","7","2","1") = "6"
    & skf21("3","7","1","2","3","7","3","1") = "6"
    & skf21("3","7","1","2","3","7","4","1") = "6"
    & skf21("3","7","1","2","3","7","5","1") = "6"
    & skf21("3","7","1","2","3","7","6","1") = "6"
    & skf21("3","7","1","2","3","7","7","1") = "6"
    & skf21("3","7","1","2","4","1","1","1") = "6"
    & skf21("3","7","1","2","4","1","2","1") = "6"
    & skf21("3","7","1","2","4","1","3","1") = "6"
    & skf21("3","7","1","2","4","1","4","1") = "6"
    & skf21("3","7","1","2","4","1","5","1") = "6"
    & skf21("3","7","1","2","4","1","6","1") = "6"
    & skf21("3","7","1","2","4","1","7","1") = "6"
    & skf21("3","7","1","2","4","2","1","1") = "6"
    & skf21("3","7","1","2","4","2","2","1") = "6"
    & skf21("3","7","1","2","4","2","3","1") = "6"
    & skf21("3","7","1","2","4","2","4","1") = "6"
    & skf21("3","7","1","2","4","2","5","1") = "6"
    & skf21("3","7","1","2","4","2","6","1") = "6"
    & skf21("3","7","1","2","4","2","7","1") = "6"
    & skf21("3","7","1","2","4","3","1","1") = "6"
    & skf21("3","7","1","2","4","3","2","1") = "6"
    & skf21("3","7","1","2","4","3","3","1") = "6"
    & skf21("3","7","1","2","4","3","4","1") = "6"
    & skf21("3","7","1","2","4","3","5","1") = "6"
    & skf21("3","7","1","2","4","3","6","1") = "6"
    & skf21("3","7","1","2","4","3","7","1") = "6"
    & skf21("3","7","1","2","4","4","1","1") = "6"
    & skf21("3","7","1","2","4","4","2","1") = "6"
    & skf21("3","7","1","2","4","4","3","1") = "6"
    & skf21("3","7","1","2","4","4","4","1") = "6"
    & skf21("3","7","1","2","4","4","5","1") = "6"
    & skf21("3","7","1","2","4","4","6","1") = "6"
    & skf21("3","7","1","2","4","4","7","1") = "6"
    & skf21("3","7","1","2","4","5","1","1") = "6"
    & skf21("3","7","1","2","4","5","2","1") = "6"
    & skf21("3","7","1","2","4","5","3","1") = "6"
    & skf21("3","7","1","2","4","5","4","1") = "6"
    & skf21("3","7","1","2","4","5","5","1") = "6"
    & skf21("3","7","1","2","4","5","6","1") = "6"
    & skf21("3","7","1","2","4","5","7","1") = "6"
    & skf21("3","7","1","2","4","6","1","1") = "6"
    & skf21("3","7","1","2","4","6","2","1") = "6"
    & skf21("3","7","1","2","4","6","3","1") = "6"
    & skf21("3","7","1","2","4","6","4","1") = "6"
    & skf21("3","7","1","2","4","6","5","1") = "6"
    & skf21("3","7","1","2","4","6","6","1") = "6"
    & skf21("3","7","1","2","4","6","7","1") = "6"
    & skf21("3","7","1","2","4","7","1","1") = "6"
    & skf21("3","7","1","2","4","7","2","1") = "6"
    & skf21("3","7","1","2","4","7","3","1") = "6"
    & skf21("3","7","1","2","4","7","4","1") = "6"
    & skf21("3","7","1","2","4","7","5","1") = "6"
    & skf21("3","7","1","2","4","7","6","1") = "6"
    & skf21("3","7","1","2","4","7","7","1") = "6"
    & skf21("3","7","1","2","5","1","1","1") = "6"
    & skf21("3","7","1","2","5","1","2","1") = "6"
    & skf21("3","7","1","2","5","1","3","1") = "6"
    & skf21("3","7","1","2","5","1","4","1") = "6"
    & skf21("3","7","1","2","5","1","5","1") = "6"
    & skf21("3","7","1","2","5","1","6","1") = "6"
    & skf21("3","7","1","2","5","1","7","1") = "6"
    & skf21("3","7","1","2","5","2","1","1") = "6"
    & skf21("3","7","1","2","5","2","2","1") = "6"
    & skf21("3","7","1","2","5","2","3","1") = "6"
    & skf21("3","7","1","2","5","2","4","1") = "6"
    & skf21("3","7","1","2","5","2","5","1") = "6"
    & skf21("3","7","1","2","5","2","6","1") = "6"
    & skf21("3","7","1","2","5","2","7","1") = "6"
    & skf21("3","7","1","2","5","3","1","1") = "6"
    & skf21("3","7","1","2","5","3","2","1") = "6"
    & skf21("3","7","1","2","5","3","3","1") = "6"
    & skf21("3","7","1","2","5","3","4","1") = "6"
    & skf21("3","7","1","2","5","3","5","1") = "6"
    & skf21("3","7","1","2","5","3","6","1") = "6"
    & skf21("3","7","1","2","5","3","7","1") = "6"
    & skf21("3","7","1","2","5","4","1","1") = "6"
    & skf21("3","7","1","2","5","4","2","1") = "6"
    & skf21("3","7","1","2","5","4","3","1") = "6"
    & skf21("3","7","1","2","5","4","4","1") = "6"
    & skf21("3","7","1","2","5","4","5","1") = "6"
    & skf21("3","7","1","2","5","4","6","1") = "6"
    & skf21("3","7","1","2","5","4","7","1") = "6"
    & skf21("3","7","1","2","5","5","1","1") = "6"
    & skf21("3","7","1","2","5","5","2","1") = "6"
    & skf21("3","7","1","2","5","5","3","1") = "6"
    & skf21("3","7","1","2","5","5","4","1") = "6"
    & skf21("3","7","1","2","5","5","5","1") = "6"
    & skf21("3","7","1","2","5","5","6","1") = "6"
    & skf21("3","7","1","2","5","5","7","1") = "6"
    & skf21("3","7","1","2","5","6","1","1") = "6"
    & skf21("3","7","1","2","5","6","2","1") = "6"
    & skf21("3","7","1","2","5","6","3","1") = "6"
    & skf21("3","7","1","2","5","6","4","1") = "6"
    & skf21("3","7","1","2","5","6","5","1") = "6"
    & skf21("3","7","1","2","5","6","6","1") = "6"
    & skf21("3","7","1","2","5","6","7","1") = "6"
    & skf21("3","7","1","2","5","7","1","1") = "6"
    & skf21("3","7","1","2","5","7","2","1") = "6"
    & skf21("3","7","1","2","5","7","3","1") = "6"
    & skf21("3","7","1","2","5","7","4","1") = "6"
    & skf21("3","7","1","2","5","7","5","1") = "6"
    & skf21("3","7","1","2","5","7","6","1") = "6"
    & skf21("3","7","1","2","5","7","7","1") = "6"
    & skf21("3","7","1","2","6","1","1","1") = "6"
    & skf21("3","7","1","2","6","1","2","1") = "6"
    & skf21("3","7","1","2","6","1","3","1") = "6"
    & skf21("3","7","1","2","6","1","4","1") = "6"
    & skf21("3","7","1","2","6","1","5","1") = "6"
    & skf21("3","7","1","2","6","1","6","1") = "6"
    & skf21("3","7","1","2","6","1","7","1") = "6"
    & skf21("3","7","1","2","6","2","1","1") = "6"
    & skf21("3","7","1","2","6","2","2","1") = "6"
    & skf21("3","7","1","2","6","2","3","1") = "6"
    & skf21("3","7","1","2","6","2","4","1") = "6"
    & skf21("3","7","1","2","6","2","5","1") = "6"
    & skf21("3","7","1","2","6","2","6","1") = "6"
    & skf21("3","7","1","2","6","2","7","1") = "6"
    & skf21("3","7","1","2","6","3","1","1") = "6"
    & skf21("3","7","1","2","6","3","2","1") = "6"
    & skf21("3","7","1","2","6","3","3","1") = "6"
    & skf21("3","7","1","2","6","3","4","1") = "6"
    & skf21("3","7","1","2","6","3","5","1") = "6"
    & skf21("3","7","1","2","6","3","6","1") = "6"
    & skf21("3","7","1","2","6","3","7","1") = "6"
    & skf21("3","7","1","2","6","4","1","1") = "6"
    & skf21("3","7","1","2","6","4","2","1") = "6"
    & skf21("3","7","1","2","6","4","3","1") = "6"
    & skf21("3","7","1","2","6","4","4","1") = "6"
    & skf21("3","7","1","2","6","4","5","1") = "6"
    & skf21("3","7","1","2","6","4","6","1") = "6"
    & skf21("3","7","1","2","6","4","7","1") = "6"
    & skf21("3","7","1","2","6","5","1","1") = "6"
    & skf21("3","7","1","2","6","5","2","1") = "6"
    & skf21("3","7","1","2","6","5","3","1") = "6"
    & skf21("3","7","1","2","6","5","4","1") = "6"
    & skf21("3","7","1","2","6","5","5","1") = "6"
    & skf21("3","7","1","2","6","5","6","1") = "6"
    & skf21("3","7","1","2","6","5","7","1") = "6"
    & skf21("3","7","1","2","6","6","1","1") = "6"
    & skf21("3","7","1","2","6","6","2","1") = "6"
    & skf21("3","7","1","2","6","6","3","1") = "6"
    & skf21("3","7","1","2","6","6","4","1") = "6"
    & skf21("3","7","1","2","6","6","5","1") = "6"
    & skf21("3","7","1","2","6","6","6","1") = "6"
    & skf21("3","7","1","2","6","6","7","1") = "6"
    & skf21("3","7","1","2","6","7","1","1") = "6"
    & skf21("3","7","1","2","6","7","2","1") = "6"
    & skf21("3","7","1","2","6","7","3","1") = "6"
    & skf21("3","7","1","2","6","7","4","1") = "6"
    & skf21("3","7","1","2","6","7","5","1") = "6"
    & skf21("3","7","1","2","6","7","6","1") = "6"
    & skf21("3","7","1","2","6","7","7","1") = "6"
    & skf21("3","7","1","2","7","1","1","1") = "6"
    & skf21("3","7","1","2","7","1","2","1") = "6"
    & skf21("3","7","1","2","7","1","3","1") = "6"
    & skf21("3","7","1","2","7","1","4","1") = "6"
    & skf21("3","7","1","2","7","1","5","1") = "6"
    & skf21("3","7","1","2","7","1","6","1") = "6"
    & skf21("3","7","1","2","7","1","7","1") = "6"
    & skf21("3","7","1","2","7","2","1","1") = "6"
    & skf21("3","7","1","2","7","2","2","1") = "6"
    & skf21("3","7","1","2","7","2","3","1") = "6"
    & skf21("3","7","1","2","7","2","4","1") = "6"
    & skf21("3","7","1","2","7","2","5","1") = "6"
    & skf21("3","7","1","2","7","2","6","1") = "6"
    & skf21("3","7","1","2","7","2","7","1") = "6"
    & skf21("3","7","1","2","7","3","1","1") = "6"
    & skf21("3","7","1","2","7","3","2","1") = "6"
    & skf21("3","7","1","2","7","3","3","1") = "6"
    & skf21("3","7","1","2","7","3","4","1") = "6"
    & skf21("3","7","1","2","7","3","5","1") = "6"
    & skf21("3","7","1","2","7","3","6","1") = "6"
    & skf21("3","7","1","2","7","3","7","1") = "6"
    & skf21("3","7","1","2","7","4","1","1") = "6"
    & skf21("3","7","1","2","7","4","2","1") = "6"
    & skf21("3","7","1","2","7","4","3","1") = "6"
    & skf21("3","7","1","2","7","4","4","1") = "6"
    & skf21("3","7","1","2","7","4","5","1") = "6"
    & skf21("3","7","1","2","7","4","6","1") = "6"
    & skf21("3","7","1","2","7","4","7","1") = "6"
    & skf21("3","7","1","2","7","5","1","1") = "6"
    & skf21("3","7","1","2","7","5","2","1") = "6"
    & skf21("3","7","1","2","7","5","3","1") = "6"
    & skf21("3","7","1","2","7","5","4","1") = "6"
    & skf21("3","7","1","2","7","5","5","1") = "6"
    & skf21("3","7","1","2","7","5","6","1") = "6"
    & skf21("3","7","1","2","7","5","7","1") = "6"
    & skf21("3","7","1","2","7","6","1","1") = "6"
    & skf21("3","7","1","2","7","6","2","1") = "6"
    & skf21("3","7","1","2","7","6","3","1") = "6"
    & skf21("3","7","1","2","7","6","4","1") = "6"
    & skf21("3","7","1","2","7","6","5","1") = "6"
    & skf21("3","7","1","2","7","6","6","1") = "6"
    & skf21("3","7","1","2","7","6","7","1") = "6"
    & skf21("3","7","1","2","7","7","1","1") = "6"
    & skf21("3","7","1","2","7","7","2","1") = "6"
    & skf21("3","7","1","2","7","7","3","1") = "6"
    & skf21("3","7","1","2","7","7","4","1") = "6"
    & skf21("3","7","1","2","7","7","5","1") = "6"
    & skf21("3","7","1","2","7","7","6","1") = "6"
    & skf21("3","7","1","2","7","7","7","1") = "6"
    & skf21("3","7","1","3","1","1","1","1") = "6"
    & skf21("3","7","1","3","1","1","2","1") = "6"
    & skf21("3","7","1","3","1","1","3","1") = "6"
    & skf21("3","7","1","3","1","1","4","1") = "6"
    & skf21("3","7","1","3","1","1","5","1") = "6"
    & skf21("3","7","1","3","1","1","6","1") = "6"
    & skf21("3","7","1","3","1","1","7","1") = "6"
    & skf21("3","7","1","3","1","2","1","1") = "6"
    & skf21("3","7","1","3","1","2","2","1") = "6"
    & skf21("3","7","1","3","1","2","3","1") = "6"
    & skf21("3","7","1","3","1","2","4","1") = "6"
    & skf21("3","7","1","3","1","2","5","1") = "6"
    & skf21("3","7","1","3","1","2","6","1") = "6"
    & skf21("3","7","1","3","1","2","7","1") = "6"
    & skf21("3","7","1","3","1","3","1","1") = "6"
    & skf21("3","7","1","3","1","3","2","1") = "6"
    & skf21("3","7","1","3","1","3","3","1") = "6"
    & skf21("3","7","1","3","1","3","4","1") = "6"
    & skf21("3","7","1","3","1","3","5","1") = "6"
    & skf21("3","7","1","3","1","3","6","1") = "6"
    & skf21("3","7","1","3","1","3","7","1") = "6"
    & skf21("3","7","1","3","1","4","1","1") = "6"
    & skf21("3","7","1","3","1","4","2","1") = "6"
    & skf21("3","7","1","3","1","4","3","1") = "6"
    & skf21("3","7","1","3","1","4","4","1") = "6"
    & skf21("3","7","1","3","1","4","5","1") = "6"
    & skf21("3","7","1","3","1","4","6","1") = "6"
    & skf21("3","7","1","3","1","4","7","1") = "6"
    & skf21("3","7","1","3","1","5","1","1") = "6"
    & skf21("3","7","1","3","1","5","2","1") = "6"
    & skf21("3","7","1","3","1","5","3","1") = "6"
    & skf21("3","7","1","3","1","5","4","1") = "6"
    & skf21("3","7","1","3","1","5","5","1") = "6"
    & skf21("3","7","1","3","1","5","6","1") = "6"
    & skf21("3","7","1","3","1","5","7","1") = "6"
    & skf21("3","7","1","3","1","6","1","1") = "6"
    & skf21("3","7","1","3","1","6","2","1") = "6"
    & skf21("3","7","1","3","1","6","3","1") = "6"
    & skf21("3","7","1","3","1","6","4","1") = "6"
    & skf21("3","7","1","3","1","6","5","1") = "6"
    & skf21("3","7","1","3","1","6","6","1") = "6"
    & skf21("3","7","1","3","1","6","7","1") = "6"
    & skf21("3","7","1","3","1","7","1","1") = "6"
    & skf21("3","7","1","3","1","7","2","1") = "6"
    & skf21("3","7","1","3","1","7","3","1") = "6"
    & skf21("3","7","1","3","1","7","4","1") = "6"
    & skf21("3","7","1","3","1","7","5","1") = "6"
    & skf21("3","7","1","3","1","7","6","1") = "6"
    & skf21("3","7","1","3","1","7","7","1") = "6"
    & skf21("3","7","1","3","2","1","1","1") = "6"
    & skf21("3","7","1","3","2","1","2","1") = "6"
    & skf21("3","7","1","3","2","1","3","1") = "6"
    & skf21("3","7","1","3","2","1","4","1") = "6"
    & skf21("3","7","1","3","2","1","5","1") = "6"
    & skf21("3","7","1","3","2","1","6","1") = "6"
    & skf21("3","7","1","3","2","1","7","1") = "6"
    & skf21("3","7","1","3","2","2","1","1") = "6"
    & skf21("3","7","1","3","2","2","2","1") = "6"
    & skf21("3","7","1","3","2","2","3","1") = "6"
    & skf21("3","7","1","3","2","2","4","1") = "6"
    & skf21("3","7","1","3","2","2","5","1") = "6"
    & skf21("3","7","1","3","2","2","6","1") = "6"
    & skf21("3","7","1","3","2","2","7","1") = "6"
    & skf21("3","7","1","3","2","3","1","1") = "6"
    & skf21("3","7","1","3","2","3","2","1") = "6"
    & skf21("3","7","1","3","2","3","3","1") = "6"
    & skf21("3","7","1","3","2","3","4","1") = "6"
    & skf21("3","7","1","3","2","3","5","1") = "6"
    & skf21("3","7","1","3","2","3","6","1") = "6"
    & skf21("3","7","1","3","2","3","7","1") = "6"
    & skf21("3","7","1","3","2","4","1","1") = "6"
    & skf21("3","7","1","3","2","4","2","1") = "6"
    & skf21("3","7","1","3","2","4","3","1") = "6"
    & skf21("3","7","1","3","2","4","4","1") = "6"
    & skf21("3","7","1","3","2","4","5","1") = "6"
    & skf21("3","7","1","3","2","4","6","1") = "6"
    & skf21("3","7","1","3","2","4","7","1") = "6"
    & skf21("3","7","1","3","2","5","1","1") = "6"
    & skf21("3","7","1","3","2","5","2","1") = "6"
    & skf21("3","7","1","3","2","5","3","1") = "6"
    & skf21("3","7","1","3","2","5","4","1") = "6"
    & skf21("3","7","1","3","2","5","5","1") = "6"
    & skf21("3","7","1","3","2","5","6","1") = "6"
    & skf21("3","7","1","3","2","5","7","1") = "6"
    & skf21("3","7","1","3","2","6","1","1") = "6"
    & skf21("3","7","1","3","2","6","2","1") = "6"
    & skf21("3","7","1","3","2","6","3","1") = "6"
    & skf21("3","7","1","3","2","6","4","1") = "6"
    & skf21("3","7","1","3","2","6","5","1") = "6"
    & skf21("3","7","1","3","2","6","6","1") = "6"
    & skf21("3","7","1","3","2","6","7","1") = "6"
    & skf21("3","7","1","3","2","7","1","1") = "6"
    & skf21("3","7","1","3","2","7","2","1") = "6"
    & skf21("3","7","1","3","2","7","3","1") = "6"
    & skf21("3","7","1","3","2","7","4","1") = "6"
    & skf21("3","7","1","3","2","7","5","1") = "6"
    & skf21("3","7","1","3","2","7","6","1") = "6"
    & skf21("3","7","1","3","2","7","7","1") = "6"
    & skf21("3","7","1","3","3","1","1","1") = "6"
    & skf21("3","7","1","3","3","1","2","1") = "6"
    & skf21("3","7","1","3","3","1","3","1") = "6"
    & skf21("3","7","1","3","3","1","4","1") = "6"
    & skf21("3","7","1","3","3","1","5","1") = "6"
    & skf21("3","7","1","3","3","1","6","1") = "6"
    & skf21("3","7","1","3","3","1","7","1") = "6"
    & skf21("3","7","1","3","3","2","1","1") = "6"
    & skf21("3","7","1","3","3","2","2","1") = "6"
    & skf21("3","7","1","3","3","2","3","1") = "6"
    & skf21("3","7","1","3","3","2","4","1") = "6"
    & skf21("3","7","1","3","3","2","5","1") = "6"
    & skf21("3","7","1","3","3","2","6","1") = "6"
    & skf21("3","7","1","3","3","2","7","1") = "6"
    & skf21("3","7","1","3","3","3","1","1") = "6"
    & skf21("3","7","1","3","3","3","2","1") = "6"
    & skf21("3","7","1","3","3","3","3","1") = "6"
    & skf21("3","7","1","3","3","3","4","1") = "6"
    & skf21("3","7","1","3","3","3","5","1") = "6"
    & skf21("3","7","1","3","3","3","6","1") = "6"
    & skf21("3","7","1","3","3","3","7","1") = "6"
    & skf21("3","7","1","3","3","4","1","1") = "6"
    & skf21("3","7","1","3","3","4","2","1") = "6"
    & skf21("3","7","1","3","3","4","3","1") = "6"
    & skf21("3","7","1","3","3","4","4","1") = "6"
    & skf21("3","7","1","3","3","4","5","1") = "6"
    & skf21("3","7","1","3","3","4","6","1") = "6"
    & skf21("3","7","1","3","3","4","7","1") = "6"
    & skf21("3","7","1","3","3","5","1","1") = "6"
    & skf21("3","7","1","3","3","5","2","1") = "6"
    & skf21("3","7","1","3","3","5","3","1") = "6"
    & skf21("3","7","1","3","3","5","4","1") = "6"
    & skf21("3","7","1","3","3","5","5","1") = "6"
    & skf21("3","7","1","3","3","5","6","1") = "6"
    & skf21("3","7","1","3","3","5","7","1") = "6"
    & skf21("3","7","1","3","3","6","1","1") = "6"
    & skf21("3","7","1","3","3","6","2","1") = "6"
    & skf21("3","7","1","3","3","6","3","1") = "6"
    & skf21("3","7","1","3","3","6","4","1") = "6"
    & skf21("3","7","1","3","3","6","5","1") = "6"
    & skf21("3","7","1","3","3","6","6","1") = "6"
    & skf21("3","7","1","3","3","6","7","1") = "6"
    & skf21("3","7","1","3","3","7","1","1") = "6"
    & skf21("3","7","1","3","3","7","2","1") = "6"
    & skf21("3","7","1","3","3","7","3","1") = "6"
    & skf21("3","7","1","3","3","7","4","1") = "6"
    & skf21("3","7","1","3","3","7","5","1") = "6"
    & skf21("3","7","1","3","3","7","6","1") = "6"
    & skf21("3","7","1","3","3","7","7","1") = "6"
    & skf21("3","7","1","3","4","1","1","1") = "6"
    & skf21("3","7","1","3","4","1","2","1") = "6"
    & skf21("3","7","1","3","4","1","3","1") = "6"
    & skf21("3","7","1","3","4","1","4","1") = "6"
    & skf21("3","7","1","3","4","1","5","1") = "6"
    & skf21("3","7","1","3","4","1","6","1") = "6"
    & skf21("3","7","1","3","4","1","7","1") = "6"
    & skf21("3","7","1","3","4","2","1","1") = "6"
    & skf21("3","7","1","3","4","2","2","1") = "6"
    & skf21("3","7","1","3","4","2","3","1") = "6"
    & skf21("3","7","1","3","4","2","4","1") = "6"
    & skf21("3","7","1","3","4","2","5","1") = "6"
    & skf21("3","7","1","3","4","2","6","1") = "6"
    & skf21("3","7","1","3","4","2","7","1") = "6"
    & skf21("3","7","1","3","4","3","1","1") = "6"
    & skf21("3","7","1","3","4","3","2","1") = "6"
    & skf21("3","7","1","3","4","3","3","1") = "6"
    & skf21("3","7","1","3","4","3","4","1") = "6"
    & skf21("3","7","1","3","4","3","5","1") = "6"
    & skf21("3","7","1","3","4","3","6","1") = "6"
    & skf21("3","7","1","3","4","3","7","1") = "6"
    & skf21("3","7","1","3","4","4","1","1") = "6"
    & skf21("3","7","1","3","4","4","2","1") = "6"
    & skf21("3","7","1","3","4","4","3","1") = "6"
    & skf21("3","7","1","3","4","4","4","1") = "6"
    & skf21("3","7","1","3","4","4","5","1") = "6"
    & skf21("3","7","1","3","4","4","6","1") = "6"
    & skf21("3","7","1","3","4","4","7","1") = "6"
    & skf21("3","7","1","3","4","5","1","1") = "6"
    & skf21("3","7","1","3","4","5","2","1") = "6"
    & skf21("3","7","1","3","4","5","3","1") = "6"
    & skf21("3","7","1","3","4","5","4","1") = "6"
    & skf21("3","7","1","3","4","5","5","1") = "6"
    & skf21("3","7","1","3","4","5","6","1") = "6"
    & skf21("3","7","1","3","4","5","7","1") = "6"
    & skf21("3","7","1","3","4","6","1","1") = "6"
    & skf21("3","7","1","3","4","6","2","1") = "6"
    & skf21("3","7","1","3","4","6","3","1") = "6"
    & skf21("3","7","1","3","4","6","4","1") = "6"
    & skf21("3","7","1","3","4","6","5","1") = "6"
    & skf21("3","7","1","3","4","6","6","1") = "6"
    & skf21("3","7","1","3","4","6","7","1") = "6"
    & skf21("3","7","1","3","4","7","1","1") = "6"
    & skf21("3","7","1","3","4","7","2","1") = "6"
    & skf21("3","7","1","3","4","7","3","1") = "6"
    & skf21("3","7","1","3","4","7","4","1") = "6"
    & skf21("3","7","1","3","4","7","5","1") = "6"
    & skf21("3","7","1","3","4","7","6","1") = "6"
    & skf21("3","7","1","3","4","7","7","1") = "6"
    & skf21("3","7","1","3","5","1","1","1") = "6"
    & skf21("3","7","1","3","5","1","2","1") = "6"
    & skf21("3","7","1","3","5","1","3","1") = "6"
    & skf21("3","7","1","3","5","1","4","1") = "6"
    & skf21("3","7","1","3","5","1","5","1") = "6"
    & skf21("3","7","1","3","5","1","6","1") = "6"
    & skf21("3","7","1","3","5","1","7","1") = "6"
    & skf21("3","7","1","3","5","2","1","1") = "6"
    & skf21("3","7","1","3","5","2","2","1") = "6"
    & skf21("3","7","1","3","5","2","3","1") = "6"
    & skf21("3","7","1","3","5","2","4","1") = "6"
    & skf21("3","7","1","3","5","2","5","1") = "6"
    & skf21("3","7","1","3","5","2","6","1") = "6"
    & skf21("3","7","1","3","5","2","7","1") = "6"
    & skf21("3","7","1","3","5","3","1","1") = "6"
    & skf21("3","7","1","3","5","3","2","1") = "6"
    & skf21("3","7","1","3","5","3","3","1") = "6"
    & skf21("3","7","1","3","5","3","4","1") = "6"
    & skf21("3","7","1","3","5","3","5","1") = "6"
    & skf21("3","7","1","3","5","3","6","1") = "6"
    & skf21("3","7","1","3","5","3","7","1") = "6"
    & skf21("3","7","1","3","5","4","1","1") = "6"
    & skf21("3","7","1","3","5","4","2","1") = "6"
    & skf21("3","7","1","3","5","4","3","1") = "6"
    & skf21("3","7","1","3","5","4","4","1") = "6"
    & skf21("3","7","1","3","5","4","5","1") = "6"
    & skf21("3","7","1","3","5","4","6","1") = "6"
    & skf21("3","7","1","3","5","4","7","1") = "6"
    & skf21("3","7","1","3","5","5","1","1") = "6"
    & skf21("3","7","1","3","5","5","2","1") = "6"
    & skf21("3","7","1","3","5","5","3","1") = "6"
    & skf21("3","7","1","3","5","5","4","1") = "6"
    & skf21("3","7","1","3","5","5","5","1") = "6"
    & skf21("3","7","1","3","5","5","6","1") = "6"
    & skf21("3","7","1","3","5","5","7","1") = "6"
    & skf21("3","7","1","3","5","6","1","1") = "6"
    & skf21("3","7","1","3","5","6","2","1") = "6"
    & skf21("3","7","1","3","5","6","3","1") = "6"
    & skf21("3","7","1","3","5","6","4","1") = "6"
    & skf21("3","7","1","3","5","6","5","1") = "6"
    & skf21("3","7","1","3","5","6","6","1") = "6"
    & skf21("3","7","1","3","5","6","7","1") = "6"
    & skf21("3","7","1","3","5","7","1","1") = "6"
    & skf21("3","7","1","3","5","7","2","1") = "6"
    & skf21("3","7","1","3","5","7","3","1") = "6"
    & skf21("3","7","1","3","5","7","4","1") = "6"
    & skf21("3","7","1","3","5","7","5","1") = "6"
    & skf21("3","7","1","3","5","7","6","1") = "6"
    & skf21("3","7","1","3","5","7","7","1") = "6"
    & skf21("3","7","1","3","6","1","1","1") = "6"
    & skf21("3","7","1","3","6","1","2","1") = "6"
    & skf21("3","7","1","3","6","1","3","1") = "6"
    & skf21("3","7","1","3","6","1","4","1") = "6"
    & skf21("3","7","1","3","6","1","5","1") = "6"
    & skf21("3","7","1","3","6","1","6","1") = "6"
    & skf21("3","7","1","3","6","1","7","1") = "6"
    & skf21("3","7","1","3","6","2","1","1") = "6"
    & skf21("3","7","1","3","6","2","2","1") = "6"
    & skf21("3","7","1","3","6","2","3","1") = "6"
    & skf21("3","7","1","3","6","2","4","1") = "6"
    & skf21("3","7","1","3","6","2","5","1") = "6"
    & skf21("3","7","1","3","6","2","6","1") = "6"
    & skf21("3","7","1","3","6","2","7","1") = "6"
    & skf21("3","7","1","3","6","3","1","1") = "6"
    & skf21("3","7","1","3","6","3","2","1") = "6"
    & skf21("3","7","1","3","6","3","3","1") = "6"
    & skf21("3","7","1","3","6","3","4","1") = "6"
    & skf21("3","7","1","3","6","3","5","1") = "6"
    & skf21("3","7","1","3","6","3","6","1") = "6"
    & skf21("3","7","1","3","6","3","7","1") = "6"
    & skf21("3","7","1","3","6","4","1","1") = "6"
    & skf21("3","7","1","3","6","4","2","1") = "6"
    & skf21("3","7","1","3","6","4","3","1") = "6"
    & skf21("3","7","1","3","6","4","4","1") = "6"
    & skf21("3","7","1","3","6","4","5","1") = "6"
    & skf21("3","7","1","3","6","4","6","1") = "6"
    & skf21("3","7","1","3","6","4","7","1") = "6"
    & skf21("3","7","1","3","6","5","1","1") = "6"
    & skf21("3","7","1","3","6","5","2","1") = "6"
    & skf21("3","7","1","3","6","5","3","1") = "6"
    & skf21("3","7","1","3","6","5","4","1") = "6"
    & skf21("3","7","1","3","6","5","5","1") = "6"
    & skf21("3","7","1","3","6","5","6","1") = "6"
    & skf21("3","7","1","3","6","5","7","1") = "6"
    & skf21("3","7","1","3","6","6","1","1") = "6"
    & skf21("3","7","1","3","6","6","2","1") = "6"
    & skf21("3","7","1","3","6","6","3","1") = "6"
    & skf21("3","7","1","3","6","6","4","1") = "6"
    & skf21("3","7","1","3","6","6","5","1") = "6"
    & skf21("3","7","1","3","6","6","6","1") = "6"
    & skf21("3","7","1","3","6","6","7","1") = "6"
    & skf21("3","7","1","3","6","7","1","1") = "6"
    & skf21("3","7","1","3","6","7","2","1") = "6"
    & skf21("3","7","1","3","6","7","3","1") = "6"
    & skf21("3","7","1","3","6","7","4","1") = "6"
    & skf21("3","7","1","3","6","7","5","1") = "6"
    & skf21("3","7","1","3","6","7","6","1") = "6"
    & skf21("3","7","1","3","6","7","7","1") = "6"
    & skf21("3","7","1","3","7","1","1","1") = "6"
    & skf21("3","7","1","3","7","1","2","1") = "6"
    & skf21("3","7","1","3","7","1","3","1") = "6"
    & skf21("3","7","1","3","7","1","4","1") = "6"
    & skf21("3","7","1","3","7","1","5","1") = "6"
    & skf21("3","7","1","3","7","1","6","1") = "6"
    & skf21("3","7","1","3","7","1","7","1") = "6"
    & skf21("3","7","1","3","7","2","1","1") = "6"
    & skf21("3","7","1","3","7","2","2","1") = "6"
    & skf21("3","7","1","3","7","2","3","1") = "6"
    & skf21("3","7","1","3","7","2","4","1") = "6"
    & skf21("3","7","1","3","7","2","5","1") = "6"
    & skf21("3","7","1","3","7","2","6","1") = "6"
    & skf21("3","7","1","3","7","2","7","1") = "6"
    & skf21("3","7","1","3","7","3","1","1") = "6"
    & skf21("3","7","1","3","7","3","2","1") = "6"
    & skf21("3","7","1","3","7","3","3","1") = "6"
    & skf21("3","7","1","3","7","3","4","1") = "6"
    & skf21("3","7","1","3","7","3","5","1") = "6"
    & skf21("3","7","1","3","7","3","6","1") = "6"
    & skf21("3","7","1","3","7","3","7","1") = "6"
    & skf21("3","7","1","3","7","4","1","1") = "6"
    & skf21("3","7","1","3","7","4","2","1") = "6"
    & skf21("3","7","1","3","7","4","3","1") = "6"
    & skf21("3","7","1","3","7","4","4","1") = "6"
    & skf21("3","7","1","3","7","4","5","1") = "6"
    & skf21("3","7","1","3","7","4","6","1") = "6"
    & skf21("3","7","1","3","7","4","7","1") = "6"
    & skf21("3","7","1","3","7","5","1","1") = "6"
    & skf21("3","7","1","3","7","5","2","1") = "6"
    & skf21("3","7","1","3","7","5","3","1") = "6"
    & skf21("3","7","1","3","7","5","4","1") = "6"
    & skf21("3","7","1","3","7","5","5","1") = "6"
    & skf21("3","7","1","3","7","5","6","1") = "6"
    & skf21("3","7","1","3","7","5","7","1") = "6"
    & skf21("3","7","1","3","7","6","1","1") = "6"
    & skf21("3","7","1","3","7","6","2","1") = "6"
    & skf21("3","7","1","3","7","6","3","1") = "6"
    & skf21("3","7","1","3","7","6","4","1") = "6"
    & skf21("3","7","1","3","7","6","5","1") = "6"
    & skf21("3","7","1","3","7","6","6","1") = "6"
    & skf21("3","7","1","3","7","6","7","1") = "6"
    & skf21("3","7","1","3","7","7","1","1") = "6"
    & skf21("3","7","1","3","7","7","2","1") = "6"
    & skf21("3","7","1","3","7","7","3","1") = "6"
    & skf21("3","7","1","3","7","7","4","1") = "6"
    & skf21("3","7","1","3","7","7","5","1") = "6"
    & skf21("3","7","1","3","7","7","6","1") = "6"
    & skf21("3","7","1","3","7","7","7","1") = "6"
    & skf21("3","7","1","4","1","1","1","1") = "6"
    & skf21("3","7","1","4","1","1","2","1") = "6"
    & skf21("3","7","1","4","1","1","3","1") = "6"
    & skf21("3","7","1","4","1","1","4","1") = "6"
    & skf21("3","7","1","4","1","1","5","1") = "6"
    & skf21("3","7","1","4","1","1","6","1") = "6"
    & skf21("3","7","1","4","1","1","7","1") = "6"
    & skf21("3","7","1","4","1","2","1","1") = "6"
    & skf21("3","7","1","4","1","2","2","1") = "6"
    & skf21("3","7","1","4","1","2","3","1") = "6"
    & skf21("3","7","1","4","1","2","4","1") = "6"
    & skf21("3","7","1","4","1","2","5","1") = "6"
    & skf21("3","7","1","4","1","2","6","1") = "6"
    & skf21("3","7","1","4","1","2","7","1") = "6"
    & skf21("3","7","1","4","1","3","1","1") = "6"
    & skf21("3","7","1","4","1","3","2","1") = "6"
    & skf21("3","7","1","4","1","3","3","1") = "6"
    & skf21("3","7","1","4","1","3","4","1") = "6"
    & skf21("3","7","1","4","1","3","5","1") = "6"
    & skf21("3","7","1","4","1","3","6","1") = "6"
    & skf21("3","7","1","4","1","3","7","1") = "6"
    & skf21("3","7","1","4","1","4","1","1") = "6"
    & skf21("3","7","1","4","1","4","2","1") = "6"
    & skf21("3","7","1","4","1","4","3","1") = "6"
    & skf21("3","7","1","4","1","4","4","1") = "6"
    & skf21("3","7","1","4","1","4","5","1") = "6"
    & skf21("3","7","1","4","1","4","6","1") = "6"
    & skf21("3","7","1","4","1","4","7","1") = "6"
    & skf21("3","7","1","4","1","5","1","1") = "6"
    & skf21("3","7","1","4","1","5","2","1") = "6"
    & skf21("3","7","1","4","1","5","3","1") = "6"
    & skf21("3","7","1","4","1","5","4","1") = "6"
    & skf21("3","7","1","4","1","5","5","1") = "6"
    & skf21("3","7","1","4","1","5","6","1") = "6"
    & skf21("3","7","1","4","1","5","7","1") = "6"
    & skf21("3","7","1","4","1","6","1","1") = "6"
    & skf21("3","7","1","4","1","6","2","1") = "6"
    & skf21("3","7","1","4","1","6","3","1") = "6"
    & skf21("3","7","1","4","1","6","4","1") = "6"
    & skf21("3","7","1","4","1","6","5","1") = "6"
    & skf21("3","7","1","4","1","6","6","1") = "6"
    & skf21("3","7","1","4","1","6","7","1") = "6"
    & skf21("3","7","1","4","1","7","1","1") = "6"
    & skf21("3","7","1","4","1","7","2","1") = "6"
    & skf21("3","7","1","4","1","7","3","1") = "6"
    & skf21("3","7","1","4","1","7","4","1") = "6"
    & skf21("3","7","1","4","1","7","5","1") = "6"
    & skf21("3","7","1","4","1","7","6","1") = "6"
    & skf21("3","7","1","4","1","7","7","1") = "6"
    & skf21("3","7","1","4","2","1","1","1") = "6"
    & skf21("3","7","1","4","2","1","2","1") = "6"
    & skf21("3","7","1","4","2","1","3","1") = "6"
    & skf21("3","7","1","4","2","1","4","1") = "6"
    & skf21("3","7","1","4","2","1","5","1") = "6"
    & skf21("3","7","1","4","2","1","6","1") = "6"
    & skf21("3","7","1","4","2","1","7","1") = "6"
    & skf21("3","7","1","4","2","2","1","1") = "6"
    & skf21("3","7","1","4","2","2","2","1") = "6"
    & skf21("3","7","1","4","2","2","3","1") = "6"
    & skf21("3","7","1","4","2","2","4","1") = "6"
    & skf21("3","7","1","4","2","2","5","1") = "6"
    & skf21("3","7","1","4","2","2","6","1") = "6"
    & skf21("3","7","1","4","2","2","7","1") = "6"
    & skf21("3","7","1","4","2","3","1","1") = "6"
    & skf21("3","7","1","4","2","3","2","1") = "6"
    & skf21("3","7","1","4","2","3","3","1") = "6"
    & skf21("3","7","1","4","2","3","4","1") = "6"
    & skf21("3","7","1","4","2","3","5","1") = "6"
    & skf21("3","7","1","4","2","3","6","1") = "6"
    & skf21("3","7","1","4","2","3","7","1") = "6"
    & skf21("3","7","1","4","2","4","1","1") = "6"
    & skf21("3","7","1","4","2","4","2","1") = "6"
    & skf21("3","7","1","4","2","4","3","1") = "6"
    & skf21("3","7","1","4","2","4","4","1") = "6"
    & skf21("3","7","1","4","2","4","5","1") = "6"
    & skf21("3","7","1","4","2","4","6","1") = "6"
    & skf21("3","7","1","4","2","4","7","1") = "6"
    & skf21("3","7","1","4","2","5","1","1") = "6"
    & skf21("3","7","1","4","2","5","2","1") = "6"
    & skf21("3","7","1","4","2","5","3","1") = "6"
    & skf21("3","7","1","4","2","5","4","1") = "6"
    & skf21("3","7","1","4","2","5","5","1") = "6"
    & skf21("3","7","1","4","2","5","6","1") = "6"
    & skf21("3","7","1","4","2","5","7","1") = "6"
    & skf21("3","7","1","4","2","6","1","1") = "6"
    & skf21("3","7","1","4","2","6","2","1") = "6"
    & skf21("3","7","1","4","2","6","3","1") = "6"
    & skf21("3","7","1","4","2","6","4","1") = "6"
    & skf21("3","7","1","4","2","6","5","1") = "6"
    & skf21("3","7","1","4","2","6","6","1") = "6"
    & skf21("3","7","1","4","2","6","7","1") = "6"
    & skf21("3","7","1","4","2","7","1","1") = "6"
    & skf21("3","7","1","4","2","7","2","1") = "6"
    & skf21("3","7","1","4","2","7","3","1") = "6"
    & skf21("3","7","1","4","2","7","4","1") = "6"
    & skf21("3","7","1","4","2","7","5","1") = "6"
    & skf21("3","7","1","4","2","7","6","1") = "6"
    & skf21("3","7","1","4","2","7","7","1") = "6"
    & skf21("3","7","1","4","3","1","1","1") = "6"
    & skf21("3","7","1","4","3","1","2","1") = "6"
    & skf21("3","7","1","4","3","1","3","1") = "6"
    & skf21("3","7","1","4","3","1","4","1") = "6"
    & skf21("3","7","1","4","3","1","5","1") = "6"
    & skf21("3","7","1","4","3","1","6","1") = "6"
    & skf21("3","7","1","4","3","1","7","1") = "6"
    & skf21("3","7","1","4","3","2","1","1") = "6"
    & skf21("3","7","1","4","3","2","2","1") = "6"
    & skf21("3","7","1","4","3","2","3","1") = "6"
    & skf21("3","7","1","4","3","2","4","1") = "6"
    & skf21("3","7","1","4","3","2","5","1") = "6"
    & skf21("3","7","1","4","3","2","6","1") = "6"
    & skf21("3","7","1","4","3","2","7","1") = "6"
    & skf21("3","7","1","4","3","3","1","1") = "6"
    & skf21("3","7","1","4","3","3","2","1") = "6"
    & skf21("3","7","1","4","3","3","3","1") = "6"
    & skf21("3","7","1","4","3","3","4","1") = "6"
    & skf21("3","7","1","4","3","3","5","1") = "6"
    & skf21("3","7","1","4","3","3","6","1") = "6"
    & skf21("3","7","1","4","3","3","7","1") = "6"
    & skf21("3","7","1","4","3","4","1","1") = "6"
    & skf21("3","7","1","4","3","4","2","1") = "6"
    & skf21("3","7","1","4","3","4","3","1") = "6"
    & skf21("3","7","1","4","3","4","4","1") = "6"
    & skf21("3","7","1","4","3","4","5","1") = "6"
    & skf21("3","7","1","4","3","4","6","1") = "6"
    & skf21("3","7","1","4","3","4","7","1") = "6"
    & skf21("3","7","1","4","3","5","1","1") = "6"
    & skf21("3","7","1","4","3","5","2","1") = "6"
    & skf21("3","7","1","4","3","5","3","1") = "6"
    & skf21("3","7","1","4","3","5","4","1") = "6"
    & skf21("3","7","1","4","3","5","5","1") = "6"
    & skf21("3","7","1","4","3","5","6","1") = "6"
    & skf21("3","7","1","4","3","5","7","1") = "6"
    & skf21("3","7","1","4","3","6","1","1") = "6"
    & skf21("3","7","1","4","3","6","2","1") = "6"
    & skf21("3","7","1","4","3","6","3","1") = "6"
    & skf21("3","7","1","4","3","6","4","1") = "6"
    & skf21("3","7","1","4","3","6","5","1") = "6"
    & skf21("3","7","1","4","3","6","6","1") = "6"
    & skf21("3","7","1","4","3","6","7","1") = "6"
    & skf21("3","7","1","4","3","7","1","1") = "6"
    & skf21("3","7","1","4","3","7","2","1") = "6"
    & skf21("3","7","1","4","3","7","3","1") = "6"
    & skf21("3","7","1","4","3","7","4","1") = "6"
    & skf21("3","7","1","4","3","7","5","1") = "6"
    & skf21("3","7","1","4","3","7","6","1") = "6"
    & skf21("3","7","1","4","3","7","7","1") = "6"
    & skf21("3","7","1","4","4","1","1","1") = "6"
    & skf21("3","7","1","4","4","1","2","1") = "6"
    & skf21("3","7","1","4","4","1","3","1") = "6"
    & skf21("3","7","1","4","4","1","4","1") = "6"
    & skf21("3","7","1","4","4","1","5","1") = "6"
    & skf21("3","7","1","4","4","1","6","1") = "6"
    & skf21("3","7","1","4","4","1","7","1") = "6"
    & skf21("3","7","1","4","4","2","1","1") = "6"
    & skf21("3","7","1","4","4","2","2","1") = "6"
    & skf21("3","7","1","4","4","2","3","1") = "6"
    & skf21("3","7","1","4","4","2","4","1") = "6"
    & skf21("3","7","1","4","4","2","5","1") = "6"
    & skf21("3","7","1","4","4","2","6","1") = "6"
    & skf21("3","7","1","4","4","2","7","1") = "6"
    & skf21("3","7","1","4","4","3","1","1") = "6"
    & skf21("3","7","1","4","4","3","2","1") = "6"
    & skf21("3","7","1","4","4","3","3","1") = "6"
    & skf21("3","7","1","4","4","3","4","1") = "6"
    & skf21("3","7","1","4","4","3","5","1") = "6"
    & skf21("3","7","1","4","4","3","6","1") = "6"
    & skf21("3","7","1","4","4","3","7","1") = "6"
    & skf21("3","7","1","4","4","4","1","1") = "6"
    & skf21("3","7","1","4","4","4","2","1") = "6"
    & skf21("3","7","1","4","4","4","3","1") = "6"
    & skf21("3","7","1","4","4","4","4","1") = "6"
    & skf21("3","7","1","4","4","4","5","1") = "6"
    & skf21("3","7","1","4","4","4","6","1") = "6"
    & skf21("3","7","1","4","4","4","7","1") = "6"
    & skf21("3","7","1","4","4","5","1","1") = "6"
    & skf21("3","7","1","4","4","5","2","1") = "6"
    & skf21("3","7","1","4","4","5","3","1") = "6"
    & skf21("3","7","1","4","4","5","4","1") = "6"
    & skf21("3","7","1","4","4","5","5","1") = "6"
    & skf21("3","7","1","4","4","5","6","1") = "6"
    & skf21("3","7","1","4","4","5","7","1") = "6"
    & skf21("3","7","1","4","4","6","1","1") = "6"
    & skf21("3","7","1","4","4","6","2","1") = "6"
    & skf21("3","7","1","4","4","6","3","1") = "6"
    & skf21("3","7","1","4","4","6","4","1") = "6"
    & skf21("3","7","1","4","4","6","5","1") = "6"
    & skf21("3","7","1","4","4","6","6","1") = "6"
    & skf21("3","7","1","4","4","6","7","1") = "6"
    & skf21("3","7","1","4","4","7","1","1") = "6"
    & skf21("3","7","1","4","4","7","2","1") = "6"
    & skf21("3","7","1","4","4","7","3","1") = "6"
    & skf21("3","7","1","4","4","7","4","1") = "6"
    & skf21("3","7","1","4","4","7","5","1") = "6"
    & skf21("3","7","1","4","4","7","6","1") = "6"
    & skf21("3","7","1","4","4","7","7","1") = "6"
    & skf21("3","7","1","4","5","1","1","1") = "6"
    & skf21("3","7","1","4","5","1","2","1") = "6"
    & skf21("3","7","1","4","5","1","3","1") = "6"
    & skf21("3","7","1","4","5","1","4","1") = "6"
    & skf21("3","7","1","4","5","1","5","1") = "6"
    & skf21("3","7","1","4","5","1","6","1") = "6"
    & skf21("3","7","1","4","5","1","7","1") = "6"
    & skf21("3","7","1","4","5","2","1","1") = "6"
    & skf21("3","7","1","4","5","2","2","1") = "6"
    & skf21("3","7","1","4","5","2","3","1") = "6"
    & skf21("3","7","1","4","5","2","4","1") = "6"
    & skf21("3","7","1","4","5","2","5","1") = "6"
    & skf21("3","7","1","4","5","2","6","1") = "6"
    & skf21("3","7","1","4","5","2","7","1") = "6"
    & skf21("3","7","1","4","5","3","1","1") = "6"
    & skf21("3","7","1","4","5","3","2","1") = "6"
    & skf21("3","7","1","4","5","3","3","1") = "6"
    & skf21("3","7","1","4","5","3","4","1") = "6"
    & skf21("3","7","1","4","5","3","5","1") = "6"
    & skf21("3","7","1","4","5","3","6","1") = "6"
    & skf21("3","7","1","4","5","3","7","1") = "6"
    & skf21("3","7","1","4","5","4","1","1") = "6"
    & skf21("3","7","1","4","5","4","2","1") = "6"
    & skf21("3","7","1","4","5","4","3","1") = "6"
    & skf21("3","7","1","4","5","4","4","1") = "6"
    & skf21("3","7","1","4","5","4","5","1") = "6"
    & skf21("3","7","1","4","5","4","6","1") = "6"
    & skf21("3","7","1","4","5","4","7","1") = "6"
    & skf21("3","7","1","4","5","5","1","1") = "6"
    & skf21("3","7","1","4","5","5","2","1") = "6"
    & skf21("3","7","1","4","5","5","3","1") = "6"
    & skf21("3","7","1","4","5","5","4","1") = "6"
    & skf21("3","7","1","4","5","5","5","1") = "6"
    & skf21("3","7","1","4","5","5","6","1") = "6"
    & skf21("3","7","1","4","5","5","7","1") = "6"
    & skf21("3","7","1","4","5","6","1","1") = "6"
    & skf21("3","7","1","4","5","6","2","1") = "6"
    & skf21("3","7","1","4","5","6","3","1") = "6"
    & skf21("3","7","1","4","5","6","4","1") = "6"
    & skf21("3","7","1","4","5","6","5","1") = "6"
    & skf21("3","7","1","4","5","6","6","1") = "6"
    & skf21("3","7","1","4","5","6","7","1") = "6"
    & skf21("3","7","1","4","5","7","1","1") = "6"
    & skf21("3","7","1","4","5","7","2","1") = "6"
    & skf21("3","7","1","4","5","7","3","1") = "6"
    & skf21("3","7","1","4","5","7","4","1") = "6"
    & skf21("3","7","1","4","5","7","5","1") = "6"
    & skf21("3","7","1","4","5","7","6","1") = "6"
    & skf21("3","7","1","4","5","7","7","1") = "6"
    & skf21("3","7","1","4","6","1","1","1") = "6"
    & skf21("3","7","1","4","6","1","2","1") = "6"
    & skf21("3","7","1","4","6","1","3","1") = "6"
    & skf21("3","7","1","4","6","1","4","1") = "6"
    & skf21("3","7","1","4","6","1","5","1") = "6"
    & skf21("3","7","1","4","6","1","6","1") = "6"
    & skf21("3","7","1","4","6","1","7","1") = "6"
    & skf21("3","7","1","4","6","2","1","1") = "6"
    & skf21("3","7","1","4","6","2","2","1") = "6"
    & skf21("3","7","1","4","6","2","3","1") = "6"
    & skf21("3","7","1","4","6","2","4","1") = "6"
    & skf21("3","7","1","4","6","2","5","1") = "6"
    & skf21("3","7","1","4","6","2","6","1") = "6"
    & skf21("3","7","1","4","6","2","7","1") = "6"
    & skf21("3","7","1","4","6","3","1","1") = "6"
    & skf21("3","7","1","4","6","3","2","1") = "6"
    & skf21("3","7","1","4","6","3","3","1") = "6"
    & skf21("3","7","1","4","6","3","4","1") = "6"
    & skf21("3","7","1","4","6","3","5","1") = "6"
    & skf21("3","7","1","4","6","3","6","1") = "6"
    & skf21("3","7","1","4","6","3","7","1") = "6"
    & skf21("3","7","1","4","6","4","1","1") = "6"
    & skf21("3","7","1","4","6","4","2","1") = "6"
    & skf21("3","7","1","4","6","4","3","1") = "6"
    & skf21("3","7","1","4","6","4","4","1") = "6"
    & skf21("3","7","1","4","6","4","5","1") = "6"
    & skf21("3","7","1","4","6","4","6","1") = "6"
    & skf21("3","7","1","4","6","4","7","1") = "6"
    & skf21("3","7","1","4","6","5","1","1") = "6"
    & skf21("3","7","1","4","6","5","2","1") = "6"
    & skf21("3","7","1","4","6","5","3","1") = "6"
    & skf21("3","7","1","4","6","5","4","1") = "6"
    & skf21("3","7","1","4","6","5","5","1") = "6"
    & skf21("3","7","1","4","6","5","6","1") = "6"
    & skf21("3","7","1","4","6","5","7","1") = "6"
    & skf21("3","7","1","4","6","6","1","1") = "6"
    & skf21("3","7","1","4","6","6","2","1") = "6"
    & skf21("3","7","1","4","6","6","3","1") = "6"
    & skf21("3","7","1","4","6","6","4","1") = "6"
    & skf21("3","7","1","4","6","6","5","1") = "6"
    & skf21("3","7","1","4","6","6","6","1") = "6"
    & skf21("3","7","1","4","6","6","7","1") = "6"
    & skf21("3","7","1","4","6","7","1","1") = "6"
    & skf21("3","7","1","4","6","7","2","1") = "6"
    & skf21("3","7","1","4","6","7","3","1") = "6"
    & skf21("3","7","1","4","6","7","4","1") = "6"
    & skf21("3","7","1","4","6","7","5","1") = "6"
    & skf21("3","7","1","4","6","7","6","1") = "6"
    & skf21("3","7","1","4","6","7","7","1") = "6"
    & skf21("3","7","1","4","7","1","1","1") = "6"
    & skf21("3","7","1","4","7","1","2","1") = "6"
    & skf21("3","7","1","4","7","1","3","1") = "6"
    & skf21("3","7","1","4","7","1","4","1") = "6"
    & skf21("3","7","1","4","7","1","5","1") = "6"
    & skf21("3","7","1","4","7","1","6","1") = "6"
    & skf21("3","7","1","4","7","1","7","1") = "6"
    & skf21("3","7","1","4","7","2","1","1") = "6"
    & skf21("3","7","1","4","7","2","2","1") = "6"
    & skf21("3","7","1","4","7","2","3","1") = "6"
    & skf21("3","7","1","4","7","2","4","1") = "6"
    & skf21("3","7","1","4","7","2","5","1") = "6"
    & skf21("3","7","1","4","7","2","6","1") = "6"
    & skf21("3","7","1","4","7","2","7","1") = "6"
    & skf21("3","7","1","4","7","3","1","1") = "6"
    & skf21("3","7","1","4","7","3","2","1") = "6"
    & skf21("3","7","1","4","7","3","3","1") = "6"
    & skf21("3","7","1","4","7","3","4","1") = "6"
    & skf21("3","7","1","4","7","3","5","1") = "6"
    & skf21("3","7","1","4","7","3","6","1") = "6"
    & skf21("3","7","1","4","7","3","7","1") = "6"
    & skf21("3","7","1","4","7","4","1","1") = "6"
    & skf21("3","7","1","4","7","4","2","1") = "6"
    & skf21("3","7","1","4","7","4","3","1") = "6"
    & skf21("3","7","1","4","7","4","4","1") = "6"
    & skf21("3","7","1","4","7","4","5","1") = "6"
    & skf21("3","7","1","4","7","4","6","1") = "6"
    & skf21("3","7","1","4","7","4","7","1") = "6"
    & skf21("3","7","1","4","7","5","1","1") = "6"
    & skf21("3","7","1","4","7","5","2","1") = "6"
    & skf21("3","7","1","4","7","5","3","1") = "6"
    & skf21("3","7","1","4","7","5","4","1") = "6"
    & skf21("3","7","1","4","7","5","5","1") = "6"
    & skf21("3","7","1","4","7","5","6","1") = "6"
    & skf21("3","7","1","4","7","5","7","1") = "6"
    & skf21("3","7","1","4","7","6","1","1") = "6"
    & skf21("3","7","1","4","7","6","2","1") = "6"
    & skf21("3","7","1","4","7","6","3","1") = "6"
    & skf21("3","7","1","4","7","6","4","1") = "6"
    & skf21("3","7","1","4","7","6","5","1") = "6"
    & skf21("3","7","1","4","7","6","6","1") = "6"
    & skf21("3","7","1","4","7","6","7","1") = "6"
    & skf21("3","7","1","4","7","7","1","1") = "6"
    & skf21("3","7","1","4","7","7","2","1") = "6"
    & skf21("3","7","1","4","7","7","3","1") = "6"
    & skf21("3","7","1","4","7","7","4","1") = "6"
    & skf21("3","7","1","4","7","7","5","1") = "6"
    & skf21("3","7","1","4","7","7","6","1") = "6"
    & skf21("3","7","1","4","7","7","7","1") = "6"
    & skf21("3","7","1","5","1","1","1","1") = "6"
    & skf21("3","7","1","5","1","1","2","1") = "6"
    & skf21("3","7","1","5","1","1","3","1") = "6"
    & skf21("3","7","1","5","1","1","4","1") = "6"
    & skf21("3","7","1","5","1","1","5","1") = "6"
    & skf21("3","7","1","5","1","1","6","1") = "6"
    & skf21("3","7","1","5","1","1","7","1") = "6"
    & skf21("3","7","1","5","1","2","1","1") = "6"
    & skf21("3","7","1","5","1","2","2","1") = "6"
    & skf21("3","7","1","5","1","2","3","1") = "6"
    & skf21("3","7","1","5","1","2","4","1") = "6"
    & skf21("3","7","1","5","1","2","5","1") = "6"
    & skf21("3","7","1","5","1","2","6","1") = "6"
    & skf21("3","7","1","5","1","2","7","1") = "6"
    & skf21("3","7","1","5","1","3","1","1") = "6"
    & skf21("3","7","1","5","1","3","2","1") = "6"
    & skf21("3","7","1","5","1","3","3","1") = "6"
    & skf21("3","7","1","5","1","3","4","1") = "6"
    & skf21("3","7","1","5","1","3","5","1") = "6"
    & skf21("3","7","1","5","1","3","6","1") = "6"
    & skf21("3","7","1","5","1","3","7","1") = "6"
    & skf21("3","7","1","5","1","4","1","1") = "6"
    & skf21("3","7","1","5","1","4","2","1") = "6"
    & skf21("3","7","1","5","1","4","3","1") = "6"
    & skf21("3","7","1","5","1","4","4","1") = "6"
    & skf21("3","7","1","5","1","4","5","1") = "6"
    & skf21("3","7","1","5","1","4","6","1") = "6"
    & skf21("3","7","1","5","1","4","7","1") = "6"
    & skf21("3","7","1","5","1","5","1","1") = "6"
    & skf21("3","7","1","5","1","5","2","1") = "6"
    & skf21("3","7","1","5","1","5","3","1") = "6"
    & skf21("3","7","1","5","1","5","4","1") = "6"
    & skf21("3","7","1","5","1","5","5","1") = "6"
    & skf21("3","7","1","5","1","5","6","1") = "6"
    & skf21("3","7","1","5","1","5","7","1") = "6"
    & skf21("3","7","1","5","1","6","1","1") = "6"
    & skf21("3","7","1","5","1","6","2","1") = "6"
    & skf21("3","7","1","5","1","6","3","1") = "6"
    & skf21("3","7","1","5","1","6","4","1") = "6"
    & skf21("3","7","1","5","1","6","5","1") = "6"
    & skf21("3","7","1","5","1","6","6","1") = "6"
    & skf21("3","7","1","5","1","6","7","1") = "6"
    & skf21("3","7","1","5","1","7","1","1") = "6"
    & skf21("3","7","1","5","1","7","2","1") = "6"
    & skf21("3","7","1","5","1","7","3","1") = "6"
    & skf21("3","7","1","5","1","7","4","1") = "6"
    & skf21("3","7","1","5","1","7","5","1") = "6"
    & skf21("3","7","1","5","1","7","6","1") = "6"
    & skf21("3","7","1","5","1","7","7","1") = "6"
    & skf21("3","7","1","5","2","1","1","1") = "6"
    & skf21("3","7","1","5","2","1","2","1") = "6"
    & skf21("3","7","1","5","2","1","3","1") = "6"
    & skf21("3","7","1","5","2","1","4","1") = "6"
    & skf21("3","7","1","5","2","1","5","1") = "6"
    & skf21("3","7","1","5","2","1","6","1") = "6"
    & skf21("3","7","1","5","2","1","7","1") = "6"
    & skf21("3","7","1","5","2","2","1","1") = "6"
    & skf21("3","7","1","5","2","2","2","1") = "6"
    & skf21("3","7","1","5","2","2","3","1") = "6"
    & skf21("3","7","1","5","2","2","4","1") = "6"
    & skf21("3","7","1","5","2","2","5","1") = "6"
    & skf21("3","7","1","5","2","2","6","1") = "6"
    & skf21("3","7","1","5","2","2","7","1") = "6"
    & skf21("3","7","1","5","2","3","1","1") = "6"
    & skf21("3","7","1","5","2","3","2","1") = "6"
    & skf21("3","7","1","5","2","3","3","1") = "6"
    & skf21("3","7","1","5","2","3","4","1") = "6"
    & skf21("3","7","1","5","2","3","5","1") = "6"
    & skf21("3","7","1","5","2","3","6","1") = "6"
    & skf21("3","7","1","5","2","3","7","1") = "6"
    & skf21("3","7","1","5","2","4","1","1") = "6"
    & skf21("3","7","1","5","2","4","2","1") = "6"
    & skf21("3","7","1","5","2","4","3","1") = "6"
    & skf21("3","7","1","5","2","4","4","1") = "6"
    & skf21("3","7","1","5","2","4","5","1") = "6"
    & skf21("3","7","1","5","2","4","6","1") = "6"
    & skf21("3","7","1","5","2","4","7","1") = "6"
    & skf21("3","7","1","5","2","5","1","1") = "6"
    & skf21("3","7","1","5","2","5","2","1") = "6"
    & skf21("3","7","1","5","2","5","3","1") = "6"
    & skf21("3","7","1","5","2","5","4","1") = "6"
    & skf21("3","7","1","5","2","5","5","1") = "6"
    & skf21("3","7","1","5","2","5","6","1") = "6"
    & skf21("3","7","1","5","2","5","7","1") = "6"
    & skf21("3","7","1","5","2","6","1","1") = "6"
    & skf21("3","7","1","5","2","6","2","1") = "6"
    & skf21("3","7","1","5","2","6","3","1") = "6"
    & skf21("3","7","1","5","2","6","4","1") = "6"
    & skf21("3","7","1","5","2","6","5","1") = "6"
    & skf21("3","7","1","5","2","6","6","1") = "6"
    & skf21("3","7","1","5","2","6","7","1") = "6"
    & skf21("3","7","1","5","2","7","1","1") = "6"
    & skf21("3","7","1","5","2","7","2","1") = "6"
    & skf21("3","7","1","5","2","7","3","1") = "6"
    & skf21("3","7","1","5","2","7","4","1") = "6"
    & skf21("3","7","1","5","2","7","5","1") = "6"
    & skf21("3","7","1","5","2","7","6","1") = "6"
    & skf21("3","7","1","5","2","7","7","1") = "6"
    & skf21("3","7","1","5","3","1","1","1") = "6"
    & skf21("3","7","1","5","3","1","2","1") = "6"
    & skf21("3","7","1","5","3","1","3","1") = "6"
    & skf21("3","7","1","5","3","1","4","1") = "6"
    & skf21("3","7","1","5","3","1","5","1") = "6"
    & skf21("3","7","1","5","3","1","6","1") = "6"
    & skf21("3","7","1","5","3","1","7","1") = "6"
    & skf21("3","7","1","5","3","2","1","1") = "6"
    & skf21("3","7","1","5","3","2","2","1") = "6"
    & skf21("3","7","1","5","3","2","3","1") = "6"
    & skf21("3","7","1","5","3","2","4","1") = "6"
    & skf21("3","7","1","5","3","2","5","1") = "6"
    & skf21("3","7","1","5","3","2","6","1") = "6"
    & skf21("3","7","1","5","3","2","7","1") = "6"
    & skf21("3","7","1","5","3","3","1","1") = "6"
    & skf21("3","7","1","5","3","3","2","1") = "6"
    & skf21("3","7","1","5","3","3","3","1") = "6"
    & skf21("3","7","1","5","3","3","4","1") = "6"
    & skf21("3","7","1","5","3","3","5","1") = "6"
    & skf21("3","7","1","5","3","3","6","1") = "6"
    & skf21("3","7","1","5","3","3","7","1") = "6"
    & skf21("3","7","1","5","3","4","1","1") = "6"
    & skf21("3","7","1","5","3","4","2","1") = "6"
    & skf21("3","7","1","5","3","4","3","1") = "6"
    & skf21("3","7","1","5","3","4","4","1") = "6"
    & skf21("3","7","1","5","3","4","5","1") = "6"
    & skf21("3","7","1","5","3","4","6","1") = "6"
    & skf21("3","7","1","5","3","4","7","1") = "6"
    & skf21("3","7","1","5","3","5","1","1") = "6"
    & skf21("3","7","1","5","3","5","2","1") = "6"
    & skf21("3","7","1","5","3","5","3","1") = "6"
    & skf21("3","7","1","5","3","5","4","1") = "6"
    & skf21("3","7","1","5","3","5","5","1") = "6"
    & skf21("3","7","1","5","3","5","6","1") = "6"
    & skf21("3","7","1","5","3","5","7","1") = "6"
    & skf21("3","7","1","5","3","6","1","1") = "6"
    & skf21("3","7","1","5","3","6","2","1") = "6"
    & skf21("3","7","1","5","3","6","3","1") = "6"
    & skf21("3","7","1","5","3","6","4","1") = "6"
    & skf21("3","7","1","5","3","6","5","1") = "6"
    & skf21("3","7","1","5","3","6","6","1") = "6"
    & skf21("3","7","1","5","3","6","7","1") = "6"
    & skf21("3","7","1","5","3","7","1","1") = "6"
    & skf21("3","7","1","5","3","7","2","1") = "6"
    & skf21("3","7","1","5","3","7","3","1") = "6"
    & skf21("3","7","1","5","3","7","4","1") = "6"
    & skf21("3","7","1","5","3","7","5","1") = "6"
    & skf21("3","7","1","5","3","7","6","1") = "6"
    & skf21("3","7","1","5","3","7","7","1") = "6"
    & skf21("3","7","1","5","4","1","1","1") = "6"
    & skf21("3","7","1","5","4","1","2","1") = "6"
    & skf21("3","7","1","5","4","1","3","1") = "6"
    & skf21("3","7","1","5","4","1","4","1") = "6"
    & skf21("3","7","1","5","4","1","5","1") = "6"
    & skf21("3","7","1","5","4","1","6","1") = "6"
    & skf21("3","7","1","5","4","1","7","1") = "6"
    & skf21("3","7","1","5","4","2","1","1") = "6"
    & skf21("3","7","1","5","4","2","2","1") = "6"
    & skf21("3","7","1","5","4","2","3","1") = "6"
    & skf21("3","7","1","5","4","2","4","1") = "6"
    & skf21("3","7","1","5","4","2","5","1") = "6"
    & skf21("3","7","1","5","4","2","6","1") = "6"
    & skf21("3","7","1","5","4","2","7","1") = "6"
    & skf21("3","7","1","5","4","3","1","1") = "6"
    & skf21("3","7","1","5","4","3","2","1") = "6"
    & skf21("3","7","1","5","4","3","3","1") = "6"
    & skf21("3","7","1","5","4","3","4","1") = "6"
    & skf21("3","7","1","5","4","3","5","1") = "6"
    & skf21("3","7","1","5","4","3","6","1") = "6"
    & skf21("3","7","1","5","4","3","7","1") = "6"
    & skf21("3","7","1","5","4","4","1","1") = "6"
    & skf21("3","7","1","5","4","4","2","1") = "6"
    & skf21("3","7","1","5","4","4","3","1") = "6"
    & skf21("3","7","1","5","4","4","4","1") = "6"
    & skf21("3","7","1","5","4","4","5","1") = "6"
    & skf21("3","7","1","5","4","4","6","1") = "6"
    & skf21("3","7","1","5","4","4","7","1") = "6"
    & skf21("3","7","1","5","4","5","1","1") = "6"
    & skf21("3","7","1","5","4","5","2","1") = "6"
    & skf21("3","7","1","5","4","5","3","1") = "6"
    & skf21("3","7","1","5","4","5","4","1") = "6"
    & skf21("3","7","1","5","4","5","5","1") = "6"
    & skf21("3","7","1","5","4","5","6","1") = "6"
    & skf21("3","7","1","5","4","5","7","1") = "6"
    & skf21("3","7","1","5","4","6","1","1") = "6"
    & skf21("3","7","1","5","4","6","2","1") = "6"
    & skf21("3","7","1","5","4","6","3","1") = "6"
    & skf21("3","7","1","5","4","6","4","1") = "6"
    & skf21("3","7","1","5","4","6","5","1") = "6"
    & skf21("3","7","1","5","4","6","6","1") = "6"
    & skf21("3","7","1","5","4","6","7","1") = "6"
    & skf21("3","7","1","5","4","7","1","1") = "6"
    & skf21("3","7","1","5","4","7","2","1") = "6"
    & skf21("3","7","1","5","4","7","3","1") = "6"
    & skf21("3","7","1","5","4","7","4","1") = "6"
    & skf21("3","7","1","5","4","7","5","1") = "6"
    & skf21("3","7","1","5","4","7","6","1") = "6"
    & skf21("3","7","1","5","4","7","7","1") = "6"
    & skf21("3","7","1","5","5","1","1","1") = "6"
    & skf21("3","7","1","5","5","1","2","1") = "6"
    & skf21("3","7","1","5","5","1","3","1") = "6"
    & skf21("3","7","1","5","5","1","4","1") = "6"
    & skf21("3","7","1","5","5","1","5","1") = "6"
    & skf21("3","7","1","5","5","1","6","1") = "6"
    & skf21("3","7","1","5","5","1","7","1") = "6"
    & skf21("3","7","1","5","5","2","1","1") = "6"
    & skf21("3","7","1","5","5","2","2","1") = "6"
    & skf21("3","7","1","5","5","2","3","1") = "6"
    & skf21("3","7","1","5","5","2","4","1") = "6"
    & skf21("3","7","1","5","5","2","5","1") = "6"
    & skf21("3","7","1","5","5","2","6","1") = "6"
    & skf21("3","7","1","5","5","2","7","1") = "6"
    & skf21("3","7","1","5","5","3","1","1") = "6"
    & skf21("3","7","1","5","5","3","2","1") = "6"
    & skf21("3","7","1","5","5","3","3","1") = "6"
    & skf21("3","7","1","5","5","3","4","1") = "6"
    & skf21("3","7","1","5","5","3","5","1") = "6"
    & skf21("3","7","1","5","5","3","6","1") = "6"
    & skf21("3","7","1","5","5","3","7","1") = "6"
    & skf21("3","7","1","5","5","4","1","1") = "6"
    & skf21("3","7","1","5","5","4","2","1") = "6"
    & skf21("3","7","1","5","5","4","3","1") = "6"
    & skf21("3","7","1","5","5","4","4","1") = "6"
    & skf21("3","7","1","5","5","4","5","1") = "6"
    & skf21("3","7","1","5","5","4","6","1") = "6"
    & skf21("3","7","1","5","5","4","7","1") = "6"
    & skf21("3","7","1","5","5","5","1","1") = "6"
    & skf21("3","7","1","5","5","5","2","1") = "6"
    & skf21("3","7","1","5","5","5","3","1") = "6"
    & skf21("3","7","1","5","5","5","4","1") = "6"
    & skf21("3","7","1","5","5","5","5","1") = "6"
    & skf21("3","7","1","5","5","5","6","1") = "6"
    & skf21("3","7","1","5","5","5","7","1") = "6"
    & skf21("3","7","1","5","5","6","1","1") = "6"
    & skf21("3","7","1","5","5","6","2","1") = "6"
    & skf21("3","7","1","5","5","6","3","1") = "6"
    & skf21("3","7","1","5","5","6","4","1") = "6"
    & skf21("3","7","1","5","5","6","5","1") = "6"
    & skf21("3","7","1","5","5","6","6","1") = "6"
    & skf21("3","7","1","5","5","6","7","1") = "6"
    & skf21("3","7","1","5","5","7","1","1") = "6"
    & skf21("3","7","1","5","5","7","2","1") = "6"
    & skf21("3","7","1","5","5","7","3","1") = "6"
    & skf21("3","7","1","5","5","7","4","1") = "6"
    & skf21("3","7","1","5","5","7","5","1") = "6"
    & skf21("3","7","1","5","5","7","6","1") = "6"
    & skf21("3","7","1","5","5","7","7","1") = "6"
    & skf21("3","7","1","5","6","1","1","1") = "6"
    & skf21("3","7","1","5","6","1","2","1") = "6"
    & skf21("3","7","1","5","6","1","3","1") = "6"
    & skf21("3","7","1","5","6","1","4","1") = "6"
    & skf21("3","7","1","5","6","1","5","1") = "6"
    & skf21("3","7","1","5","6","1","6","1") = "6"
    & skf21("3","7","1","5","6","1","7","1") = "6"
    & skf21("3","7","1","5","6","2","1","1") = "6"
    & skf21("3","7","1","5","6","2","2","1") = "6"
    & skf21("3","7","1","5","6","2","3","1") = "6"
    & skf21("3","7","1","5","6","2","4","1") = "6"
    & skf21("3","7","1","5","6","2","5","1") = "6"
    & skf21("3","7","1","5","6","2","6","1") = "6"
    & skf21("3","7","1","5","6","2","7","1") = "6"
    & skf21("3","7","1","5","6","3","1","1") = "6"
    & skf21("3","7","1","5","6","3","2","1") = "6"
    & skf21("3","7","1","5","6","3","3","1") = "6"
    & skf21("3","7","1","5","6","3","4","1") = "6"
    & skf21("3","7","1","5","6","3","5","1") = "6"
    & skf21("3","7","1","5","6","3","6","1") = "6"
    & skf21("3","7","1","5","6","3","7","1") = "6"
    & skf21("3","7","1","5","6","4","1","1") = "6"
    & skf21("3","7","1","5","6","4","2","1") = "6"
    & skf21("3","7","1","5","6","4","3","1") = "6"
    & skf21("3","7","1","5","6","4","4","1") = "6"
    & skf21("3","7","1","5","6","4","5","1") = "6"
    & skf21("3","7","1","5","6","4","6","1") = "6"
    & skf21("3","7","1","5","6","4","7","1") = "6"
    & skf21("3","7","1","5","6","5","1","1") = "6"
    & skf21("3","7","1","5","6","5","2","1") = "6"
    & skf21("3","7","1","5","6","5","3","1") = "6"
    & skf21("3","7","1","5","6","5","4","1") = "6"
    & skf21("3","7","1","5","6","5","5","1") = "6"
    & skf21("3","7","1","5","6","5","6","1") = "6"
    & skf21("3","7","1","5","6","5","7","1") = "6"
    & skf21("3","7","1","5","6","6","1","1") = "6"
    & skf21("3","7","1","5","6","6","2","1") = "6"
    & skf21("3","7","1","5","6","6","3","1") = "6"
    & skf21("3","7","1","5","6","6","4","1") = "6"
    & skf21("3","7","1","5","6","6","5","1") = "6"
    & skf21("3","7","1","5","6","6","6","1") = "6"
    & skf21("3","7","1","5","6","6","7","1") = "6"
    & skf21("3","7","1","5","6","7","1","1") = "6"
    & skf21("3","7","1","5","6","7","2","1") = "6"
    & skf21("3","7","1","5","6","7","3","1") = "6"
    & skf21("3","7","1","5","6","7","4","1") = "6"
    & skf21("3","7","1","5","6","7","5","1") = "6"
    & skf21("3","7","1","5","6","7","6","1") = "6"
    & skf21("3","7","1","5","6","7","7","1") = "6"
    & skf21("3","7","1","5","7","1","1","1") = "6"
    & skf21("3","7","1","5","7","1","2","1") = "6"
    & skf21("3","7","1","5","7","1","3","1") = "6"
    & skf21("3","7","1","5","7","1","4","1") = "6"
    & skf21("3","7","1","5","7","1","5","1") = "6"
    & skf21("3","7","1","5","7","1","6","1") = "6"
    & skf21("3","7","1","5","7","1","7","1") = "6"
    & skf21("3","7","1","5","7","2","1","1") = "6"
    & skf21("3","7","1","5","7","2","2","1") = "6"
    & skf21("3","7","1","5","7","2","3","1") = "6"
    & skf21("3","7","1","5","7","2","4","1") = "6"
    & skf21("3","7","1","5","7","2","5","1") = "6"
    & skf21("3","7","1","5","7","2","6","1") = "6"
    & skf21("3","7","1","5","7","2","7","1") = "6"
    & skf21("3","7","1","5","7","3","1","1") = "6"
    & skf21("3","7","1","5","7","3","2","1") = "6"
    & skf21("3","7","1","5","7","3","3","1") = "6"
    & skf21("3","7","1","5","7","3","4","1") = "6"
    & skf21("3","7","1","5","7","3","5","1") = "6"
    & skf21("3","7","1","5","7","3","6","1") = "6"
    & skf21("3","7","1","5","7","3","7","1") = "6"
    & skf21("3","7","1","5","7","4","1","1") = "6"
    & skf21("3","7","1","5","7","4","2","1") = "6"
    & skf21("3","7","1","5","7","4","3","1") = "6"
    & skf21("3","7","1","5","7","4","4","1") = "6"
    & skf21("3","7","1","5","7","4","5","1") = "6"
    & skf21("3","7","1","5","7","4","6","1") = "6"
    & skf21("3","7","1","5","7","4","7","1") = "6"
    & skf21("3","7","1","5","7","5","1","1") = "6"
    & skf21("3","7","1","5","7","5","2","1") = "6"
    & skf21("3","7","1","5","7","5","3","1") = "6"
    & skf21("3","7","1","5","7","5","4","1") = "6"
    & skf21("3","7","1","5","7","5","5","1") = "6"
    & skf21("3","7","1","5","7","5","6","1") = "6"
    & skf21("3","7","1","5","7","5","7","1") = "6"
    & skf21("3","7","1","5","7","6","1","1") = "6"
    & skf21("3","7","1","5","7","6","2","1") = "6"
    & skf21("3","7","1","5","7","6","3","1") = "6"
    & skf21("3","7","1","5","7","6","4","1") = "6"
    & skf21("3","7","1","5","7","6","5","1") = "6"
    & skf21("3","7","1","5","7","6","6","1") = "6"
    & skf21("3","7","1","5","7","6","7","1") = "6"
    & skf21("3","7","1","5","7","7","1","1") = "6"
    & skf21("3","7","1","5","7","7","2","1") = "6"
    & skf21("3","7","1","5","7","7","3","1") = "6"
    & skf21("3","7","1","5","7","7","4","1") = "6"
    & skf21("3","7","1","5","7","7","5","1") = "6"
    & skf21("3","7","1","5","7","7","6","1") = "6"
    & skf21("3","7","1","5","7","7","7","1") = "6"
    & skf21("3","7","1","6","1","1","1","1") = "6"
    & skf21("3","7","1","6","1","1","2","1") = "6"
    & skf21("3","7","1","6","1","1","3","1") = "6"
    & skf21("3","7","1","6","1","1","4","1") = "6"
    & skf21("3","7","1","6","1","1","5","1") = "6"
    & skf21("3","7","1","6","1","1","6","1") = "6"
    & skf21("3","7","1","6","1","1","7","1") = "6"
    & skf21("3","7","1","6","1","2","1","1") = "6"
    & skf21("3","7","1","6","1","2","2","1") = "6"
    & skf21("3","7","1","6","1","2","3","1") = "6"
    & skf21("3","7","1","6","1","2","4","1") = "6"
    & skf21("3","7","1","6","1","2","5","1") = "6"
    & skf21("3","7","1","6","1","2","6","1") = "6"
    & skf21("3","7","1","6","1","2","7","1") = "6"
    & skf21("3","7","1","6","1","3","1","1") = "6"
    & skf21("3","7","1","6","1","3","2","1") = "6"
    & skf21("3","7","1","6","1","3","3","1") = "6"
    & skf21("3","7","1","6","1","3","4","1") = "6"
    & skf21("3","7","1","6","1","3","5","1") = "6"
    & skf21("3","7","1","6","1","3","6","1") = "6"
    & skf21("3","7","1","6","1","3","7","1") = "6"
    & skf21("3","7","1","6","1","4","1","1") = "6"
    & skf21("3","7","1","6","1","4","2","1") = "6"
    & skf21("3","7","1","6","1","4","3","1") = "6"
    & skf21("3","7","1","6","1","4","4","1") = "6"
    & skf21("3","7","1","6","1","4","5","1") = "6"
    & skf21("3","7","1","6","1","4","6","1") = "6"
    & skf21("3","7","1","6","1","4","7","1") = "6"
    & skf21("3","7","1","6","1","5","1","1") = "6"
    & skf21("3","7","1","6","1","5","2","1") = "6"
    & skf21("3","7","1","6","1","5","3","1") = "6"
    & skf21("3","7","1","6","1","5","4","1") = "6"
    & skf21("3","7","1","6","1","5","5","1") = "6"
    & skf21("3","7","1","6","1","5","6","1") = "6"
    & skf21("3","7","1","6","1","5","7","1") = "6"
    & skf21("3","7","1","6","1","6","1","1") = "6"
    & skf21("3","7","1","6","1","6","2","1") = "6"
    & skf21("3","7","1","6","1","6","3","1") = "6"
    & skf21("3","7","1","6","1","6","4","1") = "6"
    & skf21("3","7","1","6","1","6","5","1") = "6"
    & skf21("3","7","1","6","1","6","6","1") = "6"
    & skf21("3","7","1","6","1","6","7","1") = "6"
    & skf21("3","7","1","6","1","7","1","1") = "6"
    & skf21("3","7","1","6","1","7","2","1") = "6"
    & skf21("3","7","1","6","1","7","3","1") = "6"
    & skf21("3","7","1","6","1","7","4","1") = "6"
    & skf21("3","7","1","6","1","7","5","1") = "6"
    & skf21("3","7","1","6","1","7","6","1") = "6"
    & skf21("3","7","1","6","1","7","7","1") = "6"
    & skf21("3","7","1","6","2","1","1","1") = "6"
    & skf21("3","7","1","6","2","1","2","1") = "6"
    & skf21("3","7","1","6","2","1","3","1") = "6"
    & skf21("3","7","1","6","2","1","4","1") = "6"
    & skf21("3","7","1","6","2","1","5","1") = "6"
    & skf21("3","7","1","6","2","1","6","1") = "6"
    & skf21("3","7","1","6","2","1","7","1") = "6"
    & skf21("3","7","1","6","2","2","1","1") = "6"
    & skf21("3","7","1","6","2","2","2","1") = "6"
    & skf21("3","7","1","6","2","2","3","1") = "6"
    & skf21("3","7","1","6","2","2","4","1") = "6"
    & skf21("3","7","1","6","2","2","5","1") = "6"
    & skf21("3","7","1","6","2","2","6","1") = "6"
    & skf21("3","7","1","6","2","2","7","1") = "6"
    & skf21("3","7","1","6","2","3","1","1") = "6"
    & skf21("3","7","1","6","2","3","2","1") = "6"
    & skf21("3","7","1","6","2","3","3","1") = "6"
    & skf21("3","7","1","6","2","3","4","1") = "6"
    & skf21("3","7","1","6","2","3","5","1") = "6"
    & skf21("3","7","1","6","2","3","6","1") = "6"
    & skf21("3","7","1","6","2","3","7","1") = "6"
    & skf21("3","7","1","6","2","4","1","1") = "6"
    & skf21("3","7","1","6","2","4","2","1") = "6"
    & skf21("3","7","1","6","2","4","3","1") = "6"
    & skf21("3","7","1","6","2","4","4","1") = "6"
    & skf21("3","7","1","6","2","4","5","1") = "6"
    & skf21("3","7","1","6","2","4","6","1") = "6"
    & skf21("3","7","1","6","2","4","7","1") = "6"
    & skf21("3","7","1","6","2","5","1","1") = "6"
    & skf21("3","7","1","6","2","5","2","1") = "6"
    & skf21("3","7","1","6","2","5","3","1") = "6"
    & skf21("3","7","1","6","2","5","4","1") = "6"
    & skf21("3","7","1","6","2","5","5","1") = "6"
    & skf21("3","7","1","6","2","5","6","1") = "6"
    & skf21("3","7","1","6","2","5","7","1") = "6"
    & skf21("3","7","1","6","2","6","1","1") = "6"
    & skf21("3","7","1","6","2","6","2","1") = "6"
    & skf21("3","7","1","6","2","6","3","1") = "6"
    & skf21("3","7","1","6","2","6","4","1") = "6"
    & skf21("3","7","1","6","2","6","5","1") = "6"
    & skf21("3","7","1","6","2","6","6","1") = "6"
    & skf21("3","7","1","6","2","6","7","1") = "6"
    & skf21("3","7","1","6","2","7","1","1") = "6"
    & skf21("3","7","1","6","2","7","2","1") = "6"
    & skf21("3","7","1","6","2","7","3","1") = "6"
    & skf21("3","7","1","6","2","7","4","1") = "6"
    & skf21("3","7","1","6","2","7","5","1") = "6"
    & skf21("3","7","1","6","2","7","6","1") = "6"
    & skf21("3","7","1","6","2","7","7","1") = "6"
    & skf21("3","7","1","6","3","1","1","1") = "6"
    & skf21("3","7","1","6","3","1","2","1") = "6"
    & skf21("3","7","1","6","3","1","3","1") = "6"
    & skf21("3","7","1","6","3","1","4","1") = "6"
    & skf21("3","7","1","6","3","1","5","1") = "6"
    & skf21("3","7","1","6","3","1","6","1") = "6"
    & skf21("3","7","1","6","3","1","7","1") = "6"
    & skf21("3","7","1","6","3","2","1","1") = "6"
    & skf21("3","7","1","6","3","2","2","1") = "6"
    & skf21("3","7","1","6","3","2","3","1") = "6"
    & skf21("3","7","1","6","3","2","4","1") = "6"
    & skf21("3","7","1","6","3","2","5","1") = "6"
    & skf21("3","7","1","6","3","2","6","1") = "6"
    & skf21("3","7","1","6","3","2","7","1") = "6"
    & skf21("3","7","1","6","3","3","1","1") = "6"
    & skf21("3","7","1","6","3","3","2","1") = "6"
    & skf21("3","7","1","6","3","3","3","1") = "6"
    & skf21("3","7","1","6","3","3","4","1") = "6"
    & skf21("3","7","1","6","3","3","5","1") = "6"
    & skf21("3","7","1","6","3","3","6","1") = "6"
    & skf21("3","7","1","6","3","3","7","1") = "6"
    & skf21("3","7","1","6","3","4","1","1") = "6"
    & skf21("3","7","1","6","3","4","2","1") = "6"
    & skf21("3","7","1","6","3","4","3","1") = "6"
    & skf21("3","7","1","6","3","4","4","1") = "6"
    & skf21("3","7","1","6","3","4","5","1") = "6"
    & skf21("3","7","1","6","3","4","6","1") = "6"
    & skf21("3","7","1","6","3","4","7","1") = "6"
    & skf21("3","7","1","6","3","5","1","1") = "6"
    & skf21("3","7","1","6","3","5","2","1") = "6"
    & skf21("3","7","1","6","3","5","3","1") = "6"
    & skf21("3","7","1","6","3","5","4","1") = "6"
    & skf21("3","7","1","6","3","5","5","1") = "6"
    & skf21("3","7","1","6","3","5","6","1") = "6"
    & skf21("3","7","1","6","3","5","7","1") = "6"
    & skf21("3","7","1","6","3","6","1","1") = "6"
    & skf21("3","7","1","6","3","6","2","1") = "6"
    & skf21("3","7","1","6","3","6","3","1") = "6"
    & skf21("3","7","1","6","3","6","4","1") = "6"
    & skf21("3","7","1","6","3","6","5","1") = "6"
    & skf21("3","7","1","6","3","6","6","1") = "6"
    & skf21("3","7","1","6","3","6","7","1") = "6"
    & skf21("3","7","1","6","3","7","1","1") = "6"
    & skf21("3","7","1","6","3","7","2","1") = "6"
    & skf21("3","7","1","6","3","7","3","1") = "6"
    & skf21("3","7","1","6","3","7","4","1") = "6"
    & skf21("3","7","1","6","3","7","5","1") = "6"
    & skf21("3","7","1","6","3","7","6","1") = "6"
    & skf21("3","7","1","6","3","7","7","1") = "6"
    & skf21("3","7","1","6","4","1","1","1") = "6"
    & skf21("3","7","1","6","4","1","2","1") = "6"
    & skf21("3","7","1","6","4","1","3","1") = "6"
    & skf21("3","7","1","6","4","1","4","1") = "6"
    & skf21("3","7","1","6","4","1","5","1") = "6"
    & skf21("3","7","1","6","4","1","6","1") = "6"
    & skf21("3","7","1","6","4","1","7","1") = "6"
    & skf21("3","7","1","6","4","2","1","1") = "6"
    & skf21("3","7","1","6","4","2","2","1") = "6"
    & skf21("3","7","1","6","4","2","3","1") = "6"
    & skf21("3","7","1","6","4","2","4","1") = "6"
    & skf21("3","7","1","6","4","2","5","1") = "6"
    & skf21("3","7","1","6","4","2","6","1") = "6"
    & skf21("3","7","1","6","4","2","7","1") = "6"
    & skf21("3","7","1","6","4","3","1","1") = "6"
    & skf21("3","7","1","6","4","3","2","1") = "6"
    & skf21("3","7","1","6","4","3","3","1") = "6"
    & skf21("3","7","1","6","4","3","4","1") = "6"
    & skf21("3","7","1","6","4","3","5","1") = "6"
    & skf21("3","7","1","6","4","3","6","1") = "6"
    & skf21("3","7","1","6","4","3","7","1") = "6"
    & skf21("3","7","1","6","4","4","1","1") = "6"
    & skf21("3","7","1","6","4","4","2","1") = "6"
    & skf21("3","7","1","6","4","4","3","1") = "6"
    & skf21("3","7","1","6","4","4","4","1") = "6"
    & skf21("3","7","1","6","4","4","5","1") = "6"
    & skf21("3","7","1","6","4","4","6","1") = "6"
    & skf21("3","7","1","6","4","4","7","1") = "6"
    & skf21("3","7","1","6","4","5","1","1") = "6"
    & skf21("3","7","1","6","4","5","2","1") = "6"
    & skf21("3","7","1","6","4","5","3","1") = "6"
    & skf21("3","7","1","6","4","5","4","1") = "6"
    & skf21("3","7","1","6","4","5","5","1") = "6"
    & skf21("3","7","1","6","4","5","6","1") = "6"
    & skf21("3","7","1","6","4","5","7","1") = "6"
    & skf21("3","7","1","6","4","6","1","1") = "6"
    & skf21("3","7","1","6","4","6","2","1") = "6"
    & skf21("3","7","1","6","4","6","3","1") = "6"
    & skf21("3","7","1","6","4","6","4","1") = "6"
    & skf21("3","7","1","6","4","6","5","1") = "6"
    & skf21("3","7","1","6","4","6","6","1") = "6"
    & skf21("3","7","1","6","4","6","7","1") = "6"
    & skf21("3","7","1","6","4","7","1","1") = "6"
    & skf21("3","7","1","6","4","7","2","1") = "6"
    & skf21("3","7","1","6","4","7","3","1") = "6"
    & skf21("3","7","1","6","4","7","4","1") = "6"
    & skf21("3","7","1","6","4","7","5","1") = "6"
    & skf21("3","7","1","6","4","7","6","1") = "6"
    & skf21("3","7","1","6","4","7","7","1") = "6"
    & skf21("3","7","1","6","5","1","1","1") = "6"
    & skf21("3","7","1","6","5","1","2","1") = "6"
    & skf21("3","7","1","6","5","1","3","1") = "6"
    & skf21("3","7","1","6","5","1","4","1") = "6"
    & skf21("3","7","1","6","5","1","5","1") = "6"
    & skf21("3","7","1","6","5","1","6","1") = "6"
    & skf21("3","7","1","6","5","1","7","1") = "6"
    & skf21("3","7","1","6","5","2","1","1") = "6"
    & skf21("3","7","1","6","5","2","2","1") = "6"
    & skf21("3","7","1","6","5","2","3","1") = "6"
    & skf21("3","7","1","6","5","2","4","1") = "6"
    & skf21("3","7","1","6","5","2","5","1") = "6"
    & skf21("3","7","1","6","5","2","6","1") = "6"
    & skf21("3","7","1","6","5","2","7","1") = "6"
    & skf21("3","7","1","6","5","3","1","1") = "6"
    & skf21("3","7","1","6","5","3","2","1") = "6"
    & skf21("3","7","1","6","5","3","3","1") = "6"
    & skf21("3","7","1","6","5","3","4","1") = "6"
    & skf21("3","7","1","6","5","3","5","1") = "6"
    & skf21("3","7","1","6","5","3","6","1") = "6"
    & skf21("3","7","1","6","5","3","7","1") = "6"
    & skf21("3","7","1","6","5","4","1","1") = "6"
    & skf21("3","7","1","6","5","4","2","1") = "6"
    & skf21("3","7","1","6","5","4","3","1") = "6"
    & skf21("3","7","1","6","5","4","4","1") = "6"
    & skf21("3","7","1","6","5","4","5","1") = "6"
    & skf21("3","7","1","6","5","4","6","1") = "6"
    & skf21("3","7","1","6","5","4","7","1") = "6"
    & skf21("3","7","1","6","5","5","1","1") = "6"
    & skf21("3","7","1","6","5","5","2","1") = "6"
    & skf21("3","7","1","6","5","5","3","1") = "6"
    & skf21("3","7","1","6","5","5","4","1") = "6"
    & skf21("3","7","1","6","5","5","5","1") = "6"
    & skf21("3","7","1","6","5","5","6","1") = "6"
    & skf21("3","7","1","6","5","5","7","1") = "6"
    & skf21("3","7","1","6","5","6","1","1") = "6"
    & skf21("3","7","1","6","5","6","2","1") = "6"
    & skf21("3","7","1","6","5","6","3","1") = "6"
    & skf21("3","7","1","6","5","6","4","1") = "6"
    & skf21("3","7","1","6","5","6","5","1") = "6"
    & skf21("3","7","1","6","5","6","6","1") = "6"
    & skf21("3","7","1","6","5","6","7","1") = "6"
    & skf21("3","7","1","6","5","7","1","1") = "6"
    & skf21("3","7","1","6","5","7","2","1") = "6"
    & skf21("3","7","1","6","5","7","3","1") = "6"
    & skf21("3","7","1","6","5","7","4","1") = "6"
    & skf21("3","7","1","6","5","7","5","1") = "6"
    & skf21("3","7","1","6","5","7","6","1") = "6"
    & skf21("3","7","1","6","5","7","7","1") = "6"
    & skf21("3","7","1","6","6","1","1","1") = "6"
    & skf21("3","7","1","6","6","1","2","1") = "6"
    & skf21("3","7","1","6","6","1","3","1") = "6"
    & skf21("3","7","1","6","6","1","4","1") = "6"
    & skf21("3","7","1","6","6","1","5","1") = "6"
    & skf21("3","7","1","6","6","1","6","1") = "6"
    & skf21("3","7","1","6","6","1","7","1") = "6"
    & skf21("3","7","1","6","6","2","1","1") = "6"
    & skf21("3","7","1","6","6","2","2","1") = "6"
    & skf21("3","7","1","6","6","2","3","1") = "6"
    & skf21("3","7","1","6","6","2","4","1") = "6"
    & skf21("3","7","1","6","6","2","5","1") = "6"
    & skf21("3","7","1","6","6","2","6","1") = "6"
    & skf21("3","7","1","6","6","2","7","1") = "6"
    & skf21("3","7","1","6","6","3","1","1") = "6"
    & skf21("3","7","1","6","6","3","2","1") = "6"
    & skf21("3","7","1","6","6","3","3","1") = "6"
    & skf21("3","7","1","6","6","3","4","1") = "6"
    & skf21("3","7","1","6","6","3","5","1") = "6"
    & skf21("3","7","1","6","6","3","6","1") = "6"
    & skf21("3","7","1","6","6","3","7","1") = "6"
    & skf21("3","7","1","6","6","4","1","1") = "6"
    & skf21("3","7","1","6","6","4","2","1") = "6"
    & skf21("3","7","1","6","6","4","3","1") = "6"
    & skf21("3","7","1","6","6","4","4","1") = "6"
    & skf21("3","7","1","6","6","4","5","1") = "6"
    & skf21("3","7","1","6","6","4","6","1") = "6"
    & skf21("3","7","1","6","6","4","7","1") = "6"
    & skf21("3","7","1","6","6","5","1","1") = "6"
    & skf21("3","7","1","6","6","5","2","1") = "6"
    & skf21("3","7","1","6","6","5","3","1") = "6"
    & skf21("3","7","1","6","6","5","4","1") = "6"
    & skf21("3","7","1","6","6","5","5","1") = "6"
    & skf21("3","7","1","6","6","5","6","1") = "6"
    & skf21("3","7","1","6","6","5","7","1") = "6"
    & skf21("3","7","1","6","6","6","1","1") = "6"
    & skf21("3","7","1","6","6","6","2","1") = "6"
    & skf21("3","7","1","6","6","6","3","1") = "6"
    & skf21("3","7","1","6","6","6","4","1") = "6"
    & skf21("3","7","1","6","6","6","5","1") = "6"
    & skf21("3","7","1","6","6","6","6","1") = "6"
    & skf21("3","7","1","6","6","6","7","1") = "6"
    & skf21("3","7","1","6","6","7","1","1") = "6"
    & skf21("3","7","1","6","6","7","2","1") = "6"
    & skf21("3","7","1","6","6","7","3","1") = "6"
    & skf21("3","7","1","6","6","7","4","1") = "6"
    & skf21("3","7","1","6","6","7","5","1") = "6"
    & skf21("3","7","1","6","6","7","6","1") = "6"
    & skf21("3","7","1","6","6","7","7","1") = "6"
    & skf21("3","7","1","6","7","1","1","1") = "6"
    & skf21("3","7","1","6","7","1","2","1") = "6"
    & skf21("3","7","1","6","7","1","3","1") = "6"
    & skf21("3","7","1","6","7","1","4","1") = "6"
    & skf21("3","7","1","6","7","1","5","1") = "6"
    & skf21("3","7","1","6","7","1","6","1") = "6"
    & skf21("3","7","1","6","7","1","7","1") = "6"
    & skf21("3","7","1","6","7","2","1","1") = "6"
    & skf21("3","7","1","6","7","2","2","1") = "6"
    & skf21("3","7","1","6","7","2","3","1") = "6"
    & skf21("3","7","1","6","7","2","4","1") = "6"
    & skf21("3","7","1","6","7","2","5","1") = "6"
    & skf21("3","7","1","6","7","2","6","1") = "6"
    & skf21("3","7","1","6","7","2","7","1") = "6"
    & skf21("3","7","1","6","7","3","1","1") = "6"
    & skf21("3","7","1","6","7","3","2","1") = "6"
    & skf21("3","7","1","6","7","3","3","1") = "6"
    & skf21("3","7","1","6","7","3","4","1") = "6"
    & skf21("3","7","1","6","7","3","5","1") = "6"
    & skf21("3","7","1","6","7","3","6","1") = "6"
    & skf21("3","7","1","6","7","3","7","1") = "6"
    & skf21("3","7","1","6","7","4","1","1") = "6"
    & skf21("3","7","1","6","7","4","2","1") = "6"
    & skf21("3","7","1","6","7","4","3","1") = "6"
    & skf21("3","7","1","6","7","4","4","1") = "6"
    & skf21("3","7","1","6","7","4","5","1") = "6"
    & skf21("3","7","1","6","7","4","6","1") = "6"
    & skf21("3","7","1","6","7","4","7","1") = "6"
    & skf21("3","7","1","6","7","5","1","1") = "6"
    & skf21("3","7","1","6","7","5","2","1") = "6"
    & skf21("3","7","1","6","7","5","3","1") = "6"
    & skf21("3","7","1","6","7","5","4","1") = "6"
    & skf21("3","7","1","6","7","5","5","1") = "6"
    & skf21("3","7","1","6","7","5","6","1") = "6"
    & skf21("3","7","1","6","7","5","7","1") = "6"
    & skf21("3","7","1","6","7","6","1","1") = "6"
    & skf21("3","7","1","6","7","6","2","1") = "6"
    & skf21("3","7","1","6","7","6","3","1") = "6"
    & skf21("3","7","1","6","7","6","4","1") = "6"
    & skf21("3","7","1","6","7","6","5","1") = "6"
    & skf21("3","7","1","6","7","6","6","1") = "6"
    & skf21("3","7","1","6","7","6","7","1") = "6"
    & skf21("3","7","1","6","7","7","1","1") = "6"
    & skf21("3","7","1","6","7","7","2","1") = "6"
    & skf21("3","7","1","6","7","7","3","1") = "6"
    & skf21("3","7","1","6","7","7","4","1") = "6"
    & skf21("3","7","1","6","7","7","5","1") = "6"
    & skf21("3","7","1","6","7","7","6","1") = "6"
    & skf21("3","7","1","6","7","7","7","1") = "6"
    & skf21("3","7","1","7","1","1","1","1") = "6"
    & skf21("3","7","1","7","1","1","2","1") = "6"
    & skf21("3","7","1","7","1","1","3","1") = "6"
    & skf21("3","7","1","7","1","1","4","1") = "6"
    & skf21("3","7","1","7","1","1","5","1") = "6"
    & skf21("3","7","1","7","1","1","6","1") = "6"
    & skf21("3","7","1","7","1","1","7","1") = "6"
    & skf21("3","7","1","7","1","2","1","1") = "6"
    & skf21("3","7","1","7","1","2","2","1") = "6"
    & skf21("3","7","1","7","1","2","3","1") = "6"
    & skf21("3","7","1","7","1","2","4","1") = "6"
    & skf21("3","7","1","7","1","2","5","1") = "6"
    & skf21("3","7","1","7","1","2","6","1") = "6"
    & skf21("3","7","1","7","1","2","7","1") = "6"
    & skf21("3","7","1","7","1","3","1","1") = "6"
    & skf21("3","7","1","7","1","3","2","1") = "6"
    & skf21("3","7","1","7","1","3","3","1") = "6"
    & skf21("3","7","1","7","1","3","4","1") = "6"
    & skf21("3","7","1","7","1","3","5","1") = "6"
    & skf21("3","7","1","7","1","3","6","1") = "6"
    & skf21("3","7","1","7","1","3","7","1") = "6"
    & skf21("3","7","1","7","1","4","1","1") = "6"
    & skf21("3","7","1","7","1","4","2","1") = "6"
    & skf21("3","7","1","7","1","4","3","1") = "6"
    & skf21("3","7","1","7","1","4","4","1") = "6"
    & skf21("3","7","1","7","1","4","5","1") = "6"
    & skf21("3","7","1","7","1","4","6","1") = "6"
    & skf21("3","7","1","7","1","4","7","1") = "6"
    & skf21("3","7","1","7","1","5","1","1") = "6"
    & skf21("3","7","1","7","1","5","2","1") = "6"
    & skf21("3","7","1","7","1","5","3","1") = "6"
    & skf21("3","7","1","7","1","5","4","1") = "6"
    & skf21("3","7","1","7","1","5","5","1") = "6"
    & skf21("3","7","1","7","1","5","6","1") = "6"
    & skf21("3","7","1","7","1","5","7","1") = "6"
    & skf21("3","7","1","7","1","6","1","1") = "6"
    & skf21("3","7","1","7","1","6","2","1") = "6"
    & skf21("3","7","1","7","1","6","3","1") = "6"
    & skf21("3","7","1","7","1","6","4","1") = "6"
    & skf21("3","7","1","7","1","6","5","1") = "6"
    & skf21("3","7","1","7","1","6","6","1") = "6"
    & skf21("3","7","1","7","1","6","7","1") = "6"
    & skf21("3","7","1","7","1","7","1","1") = "6"
    & skf21("3","7","1","7","1","7","2","1") = "6"
    & skf21("3","7","1","7","1","7","3","1") = "6"
    & skf21("3","7","1","7","1","7","4","1") = "6"
    & skf21("3","7","1","7","1","7","5","1") = "6"
    & skf21("3","7","1","7","1","7","6","1") = "6"
    & skf21("3","7","1","7","1","7","7","1") = "6"
    & skf21("3","7","1","7","2","1","1","1") = "6"
    & skf21("3","7","1","7","2","1","2","1") = "6"
    & skf21("3","7","1","7","2","1","3","1") = "6"
    & skf21("3","7","1","7","2","1","4","1") = "6"
    & skf21("3","7","1","7","2","1","5","1") = "6"
    & skf21("3","7","1","7","2","1","6","1") = "6"
    & skf21("3","7","1","7","2","1","7","1") = "6"
    & skf21("3","7","1","7","2","2","1","1") = "6"
    & skf21("3","7","1","7","2","2","2","1") = "6"
    & skf21("3","7","1","7","2","2","3","1") = "6"
    & skf21("3","7","1","7","2","2","4","1") = "6"
    & skf21("3","7","1","7","2","2","5","1") = "6"
    & skf21("3","7","1","7","2","2","6","1") = "6"
    & skf21("3","7","1","7","2","2","7","1") = "6"
    & skf21("3","7","1","7","2","3","1","1") = "6"
    & skf21("3","7","1","7","2","3","2","1") = "6"
    & skf21("3","7","1","7","2","3","3","1") = "6"
    & skf21("3","7","1","7","2","3","4","1") = "6"
    & skf21("3","7","1","7","2","3","5","1") = "6"
    & skf21("3","7","1","7","2","3","6","1") = "6"
    & skf21("3","7","1","7","2","3","7","1") = "6"
    & skf21("3","7","1","7","2","4","1","1") = "6"
    & skf21("3","7","1","7","2","4","2","1") = "6"
    & skf21("3","7","1","7","2","4","3","1") = "6"
    & skf21("3","7","1","7","2","4","4","1") = "6"
    & skf21("3","7","1","7","2","4","5","1") = "6"
    & skf21("3","7","1","7","2","4","6","1") = "6"
    & skf21("3","7","1","7","2","4","7","1") = "6"
    & skf21("3","7","1","7","2","5","1","1") = "6"
    & skf21("3","7","1","7","2","5","2","1") = "6"
    & skf21("3","7","1","7","2","5","3","1") = "6"
    & skf21("3","7","1","7","2","5","4","1") = "6"
    & skf21("3","7","1","7","2","5","5","1") = "6"
    & skf21("3","7","1","7","2","5","6","1") = "6"
    & skf21("3","7","1","7","2","5","7","1") = "6"
    & skf21("3","7","1","7","2","6","1","1") = "6"
    & skf21("3","7","1","7","2","6","2","1") = "6"
    & skf21("3","7","1","7","2","6","3","1") = "6"
    & skf21("3","7","1","7","2","6","4","1") = "6"
    & skf21("3","7","1","7","2","6","5","1") = "6"
    & skf21("3","7","1","7","2","6","6","1") = "6"
    & skf21("3","7","1","7","2","6","7","1") = "6"
    & skf21("3","7","1","7","2","7","1","1") = "6"
    & skf21("3","7","1","7","2","7","2","1") = "6"
    & skf21("3","7","1","7","2","7","3","1") = "6"
    & skf21("3","7","1","7","2","7","4","1") = "6"
    & skf21("3","7","1","7","2","7","5","1") = "6"
    & skf21("3","7","1","7","2","7","6","1") = "6"
    & skf21("3","7","1","7","2","7","7","1") = "6"
    & skf21("3","7","1","7","3","1","1","1") = "6"
    & skf21("3","7","1","7","3","1","2","1") = "6"
    & skf21("3","7","1","7","3","1","3","1") = "6"
    & skf21("3","7","1","7","3","1","4","1") = "6"
    & skf21("3","7","1","7","3","1","5","1") = "6"
    & skf21("3","7","1","7","3","1","6","1") = "6"
    & skf21("3","7","1","7","3","1","7","1") = "6"
    & skf21("3","7","1","7","3","2","1","1") = "6"
    & skf21("3","7","1","7","3","2","2","1") = "6"
    & skf21("3","7","1","7","3","2","3","1") = "6"
    & skf21("3","7","1","7","3","2","4","1") = "6"
    & skf21("3","7","1","7","3","2","5","1") = "6"
    & skf21("3","7","1","7","3","2","6","1") = "6"
    & skf21("3","7","1","7","3","2","7","1") = "6"
    & skf21("3","7","1","7","3","3","1","1") = "6"
    & skf21("3","7","1","7","3","3","2","1") = "6"
    & skf21("3","7","1","7","3","3","3","1") = "6"
    & skf21("3","7","1","7","3","3","4","1") = "6"
    & skf21("3","7","1","7","3","3","5","1") = "6"
    & skf21("3","7","1","7","3","3","6","1") = "6"
    & skf21("3","7","1","7","3","3","7","1") = "6"
    & skf21("3","7","1","7","3","4","1","1") = "6"
    & skf21("3","7","1","7","3","4","2","1") = "6"
    & skf21("3","7","1","7","3","4","3","1") = "6"
    & skf21("3","7","1","7","3","4","4","1") = "6"
    & skf21("3","7","1","7","3","4","5","1") = "6"
    & skf21("3","7","1","7","3","4","6","1") = "6"
    & skf21("3","7","1","7","3","4","7","1") = "6"
    & skf21("3","7","1","7","3","5","1","1") = "6"
    & skf21("3","7","1","7","3","5","2","1") = "6"
    & skf21("3","7","1","7","3","5","3","1") = "6"
    & skf21("3","7","1","7","3","5","4","1") = "6"
    & skf21("3","7","1","7","3","5","5","1") = "6"
    & skf21("3","7","1","7","3","5","6","1") = "6"
    & skf21("3","7","1","7","3","5","7","1") = "6"
    & skf21("3","7","1","7","3","6","1","1") = "6"
    & skf21("3","7","1","7","3","6","2","1") = "6"
    & skf21("3","7","1","7","3","6","3","1") = "6"
    & skf21("3","7","1","7","3","6","4","1") = "6"
    & skf21("3","7","1","7","3","6","5","1") = "6"
    & skf21("3","7","1","7","3","6","6","1") = "6"
    & skf21("3","7","1","7","3","6","7","1") = "6"
    & skf21("3","7","1","7","3","7","1","1") = "6"
    & skf21("3","7","1","7","3","7","2","1") = "6"
    & skf21("3","7","1","7","3","7","3","1") = "6"
    & skf21("3","7","1","7","3","7","4","1") = "6"
    & skf21("3","7","1","7","3","7","5","1") = "6"
    & skf21("3","7","1","7","3","7","6","1") = "6"
    & skf21("3","7","1","7","3","7","7","1") = "6"
    & skf21("3","7","1","7","4","1","1","1") = "6"
    & skf21("3","7","1","7","4","1","2","1") = "6"
    & skf21("3","7","1","7","4","1","3","1") = "6"
    & skf21("3","7","1","7","4","1","4","1") = "6"
    & skf21("3","7","1","7","4","1","5","1") = "6"
    & skf21("3","7","1","7","4","1","6","1") = "6"
    & skf21("3","7","1","7","4","1","7","1") = "6"
    & skf21("3","7","1","7","4","2","1","1") = "6"
    & skf21("3","7","1","7","4","2","2","1") = "6"
    & skf21("3","7","1","7","4","2","3","1") = "6"
    & skf21("3","7","1","7","4","2","4","1") = "6"
    & skf21("3","7","1","7","4","2","5","1") = "6"
    & skf21("3","7","1","7","4","2","6","1") = "6"
    & skf21("3","7","1","7","4","2","7","1") = "6"
    & skf21("3","7","1","7","4","3","1","1") = "6"
    & skf21("3","7","1","7","4","3","2","1") = "6"
    & skf21("3","7","1","7","4","3","3","1") = "6"
    & skf21("3","7","1","7","4","3","4","1") = "6"
    & skf21("3","7","1","7","4","3","5","1") = "6"
    & skf21("3","7","1","7","4","3","6","1") = "6"
    & skf21("3","7","1","7","4","3","7","1") = "6"
    & skf21("3","7","1","7","4","4","1","1") = "6"
    & skf21("3","7","1","7","4","4","2","1") = "6"
    & skf21("3","7","1","7","4","4","3","1") = "6"
    & skf21("3","7","1","7","4","4","4","1") = "6"
    & skf21("3","7","1","7","4","4","5","1") = "6"
    & skf21("3","7","1","7","4","4","6","1") = "6"
    & skf21("3","7","1","7","4","4","7","1") = "6"
    & skf21("3","7","1","7","4","5","1","1") = "6"
    & skf21("3","7","1","7","4","5","2","1") = "6"
    & skf21("3","7","1","7","4","5","3","1") = "6"
    & skf21("3","7","1","7","4","5","4","1") = "6"
    & skf21("3","7","1","7","4","5","5","1") = "6"
    & skf21("3","7","1","7","4","5","6","1") = "6"
    & skf21("3","7","1","7","4","5","7","1") = "6"
    & skf21("3","7","1","7","4","6","1","1") = "6"
    & skf21("3","7","1","7","4","6","2","1") = "6"
    & skf21("3","7","1","7","4","6","3","1") = "6"
    & skf21("3","7","1","7","4","6","4","1") = "6"
    & skf21("3","7","1","7","4","6","5","1") = "6"
    & skf21("3","7","1","7","4","6","6","1") = "6"
    & skf21("3","7","1","7","4","6","7","1") = "6"
    & skf21("3","7","1","7","4","7","1","1") = "6"
    & skf21("3","7","1","7","4","7","2","1") = "6"
    & skf21("3","7","1","7","4","7","3","1") = "6"
    & skf21("3","7","1","7","4","7","4","1") = "6"
    & skf21("3","7","1","7","4","7","5","1") = "6"
    & skf21("3","7","1","7","4","7","6","1") = "6"
    & skf21("3","7","1","7","4","7","7","1") = "6"
    & skf21("3","7","1","7","5","1","1","1") = "6"
    & skf21("3","7","1","7","5","1","2","1") = "6"
    & skf21("3","7","1","7","5","1","3","1") = "6"
    & skf21("3","7","1","7","5","1","4","1") = "6"
    & skf21("3","7","1","7","5","1","5","1") = "6"
    & skf21("3","7","1","7","5","1","6","1") = "6"
    & skf21("3","7","1","7","5","1","7","1") = "6"
    & skf21("3","7","1","7","5","2","1","1") = "6"
    & skf21("3","7","1","7","5","2","2","1") = "6"
    & skf21("3","7","1","7","5","2","3","1") = "6"
    & skf21("3","7","1","7","5","2","4","1") = "6"
    & skf21("3","7","1","7","5","2","5","1") = "6"
    & skf21("3","7","1","7","5","2","6","1") = "6"
    & skf21("3","7","1","7","5","2","7","1") = "6"
    & skf21("3","7","1","7","5","3","1","1") = "6"
    & skf21("3","7","1","7","5","3","2","1") = "6"
    & skf21("3","7","1","7","5","3","3","1") = "6"
    & skf21("3","7","1","7","5","3","4","1") = "6"
    & skf21("3","7","1","7","5","3","5","1") = "6"
    & skf21("3","7","1","7","5","3","6","1") = "6"
    & skf21("3","7","1","7","5","3","7","1") = "6"
    & skf21("3","7","1","7","5","4","1","1") = "6"
    & skf21("3","7","1","7","5","4","2","1") = "6"
    & skf21("3","7","1","7","5","4","3","1") = "6"
    & skf21("3","7","1","7","5","4","4","1") = "6"
    & skf21("3","7","1","7","5","4","5","1") = "6"
    & skf21("3","7","1","7","5","4","6","1") = "6"
    & skf21("3","7","1","7","5","4","7","1") = "6"
    & skf21("3","7","1","7","5","5","1","1") = "6"
    & skf21("3","7","1","7","5","5","2","1") = "6"
    & skf21("3","7","1","7","5","5","3","1") = "6"
    & skf21("3","7","1","7","5","5","4","1") = "6"
    & skf21("3","7","1","7","5","5","5","1") = "6"
    & skf21("3","7","1","7","5","5","6","1") = "6"
    & skf21("3","7","1","7","5","5","7","1") = "6"
    & skf21("3","7","1","7","5","6","1","1") = "6"
    & skf21("3","7","1","7","5","6","2","1") = "6"
    & skf21("3","7","1","7","5","6","3","1") = "6"
    & skf21("3","7","1","7","5","6","4","1") = "6"
    & skf21("3","7","1","7","5","6","5","1") = "6"
    & skf21("3","7","1","7","5","6","6","1") = "6"
    & skf21("3","7","1","7","5","6","7","1") = "6"
    & skf21("3","7","1","7","5","7","1","1") = "6"
    & skf21("3","7","1","7","5","7","2","1") = "6"
    & skf21("3","7","1","7","5","7","3","1") = "6"
    & skf21("3","7","1","7","5","7","4","1") = "6"
    & skf21("3","7","1","7","5","7","5","1") = "6"
    & skf21("3","7","1","7","5","7","6","1") = "6"
    & skf21("3","7","1","7","5","7","7","1") = "6"
    & skf21("3","7","1","7","6","1","1","1") = "6"
    & skf21("3","7","1","7","6","1","2","1") = "6"
    & skf21("3","7","1","7","6","1","3","1") = "6"
    & skf21("3","7","1","7","6","1","4","1") = "6"
    & skf21("3","7","1","7","6","1","5","1") = "6"
    & skf21("3","7","1","7","6","1","6","1") = "6"
    & skf21("3","7","1","7","6","1","7","1") = "6"
    & skf21("3","7","1","7","6","2","1","1") = "6"
    & skf21("3","7","1","7","6","2","2","1") = "6"
    & skf21("3","7","1","7","6","2","3","1") = "6"
    & skf21("3","7","1","7","6","2","4","1") = "6"
    & skf21("3","7","1","7","6","2","5","1") = "6"
    & skf21("3","7","1","7","6","2","6","1") = "6"
    & skf21("3","7","1","7","6","2","7","1") = "6"
    & skf21("3","7","1","7","6","3","1","1") = "6"
    & skf21("3","7","1","7","6","3","2","1") = "6"
    & skf21("3","7","1","7","6","3","3","1") = "6"
    & skf21("3","7","1","7","6","3","4","1") = "6"
    & skf21("3","7","1","7","6","3","5","1") = "6"
    & skf21("3","7","1","7","6","3","6","1") = "6"
    & skf21("3","7","1","7","6","3","7","1") = "6"
    & skf21("3","7","1","7","6","4","1","1") = "6"
    & skf21("3","7","1","7","6","4","2","1") = "6"
    & skf21("3","7","1","7","6","4","3","1") = "6"
    & skf21("3","7","1","7","6","4","4","1") = "6"
    & skf21("3","7","1","7","6","4","5","1") = "6"
    & skf21("3","7","1","7","6","4","6","1") = "6"
    & skf21("3","7","1","7","6","4","7","1") = "6"
    & skf21("3","7","1","7","6","5","1","1") = "6"
    & skf21("3","7","1","7","6","5","2","1") = "6"
    & skf21("3","7","1","7","6","5","3","1") = "6"
    & skf21("3","7","1","7","6","5","4","1") = "6"
    & skf21("3","7","1","7","6","5","5","1") = "6"
    & skf21("3","7","1","7","6","5","6","1") = "6"
    & skf21("3","7","1","7","6","5","7","1") = "6"
    & skf21("3","7","1","7","6","6","1","1") = "6"
    & skf21("3","7","1","7","6","6","2","1") = "6"
    & skf21("3","7","1","7","6","6","3","1") = "6"
    & skf21("3","7","1","7","6","6","4","1") = "6"
    & skf21("3","7","1","7","6","6","5","1") = "6"
    & skf21("3","7","1","7","6","6","6","1") = "6"
    & skf21("3","7","1","7","6","6","7","1") = "6"
    & skf21("3","7","1","7","6","7","1","1") = "6"
    & skf21("3","7","1","7","6","7","2","1") = "6"
    & skf21("3","7","1","7","6","7","3","1") = "6"
    & skf21("3","7","1","7","6","7","4","1") = "6"
    & skf21("3","7","1","7","6","7","5","1") = "6"
    & skf21("3","7","1","7","6","7","6","1") = "6"
    & skf21("3","7","1","7","6","7","7","1") = "6"
    & skf21("3","7","1","7","7","1","1","1") = "6"
    & skf21("3","7","1","7","7","1","2","1") = "6"
    & skf21("3","7","1","7","7","1","3","1") = "6"
    & skf21("3","7","1","7","7","1","4","1") = "6"
    & skf21("3","7","1","7","7","1","5","1") = "6"
    & skf21("3","7","1","7","7","1","6","1") = "6"
    & skf21("3","7","1","7","7","1","7","1") = "6"
    & skf21("3","7","1","7","7","2","1","1") = "6"
    & skf21("3","7","1","7","7","2","2","1") = "6"
    & skf21("3","7","1","7","7","2","3","1") = "6"
    & skf21("3","7","1","7","7","2","4","1") = "6"
    & skf21("3","7","1","7","7","2","5","1") = "6"
    & skf21("3","7","1","7","7","2","6","1") = "6"
    & skf21("3","7","1","7","7","2","7","1") = "6"
    & skf21("3","7","1","7","7","3","1","1") = "6"
    & skf21("3","7","1","7","7","3","2","1") = "6"
    & skf21("3","7","1","7","7","3","3","1") = "6"
    & skf21("3","7","1","7","7","3","4","1") = "6"
    & skf21("3","7","1","7","7","3","5","1") = "6"
    & skf21("3","7","1","7","7","3","6","1") = "6"
    & skf21("3","7","1","7","7","3","7","1") = "6"
    & skf21("3","7","1","7","7","4","1","1") = "6"
    & skf21("3","7","1","7","7","4","2","1") = "6"
    & skf21("3","7","1","7","7","4","3","1") = "6"
    & skf21("3","7","1","7","7","4","4","1") = "6"
    & skf21("3","7","1","7","7","4","5","1") = "6"
    & skf21("3","7","1","7","7","4","6","1") = "6"
    & skf21("3","7","1","7","7","4","7","1") = "6"
    & skf21("3","7","1","7","7","5","1","1") = "6"
    & skf21("3","7","1","7","7","5","2","1") = "6"
    & skf21("3","7","1","7","7","5","3","1") = "6"
    & skf21("3","7","1","7","7","5","4","1") = "6"
    & skf21("3","7","1","7","7","5","5","1") = "6"
    & skf21("3","7","1","7","7","5","6","1") = "6"
    & skf21("3","7","1","7","7","5","7","1") = "6"
    & skf21("3","7","1","7","7","6","1","1") = "6"
    & skf21("3","7","1","7","7","6","2","1") = "6"
    & skf21("3","7","1","7","7","6","3","1") = "6"
    & skf21("3","7","1","7","7","6","4","1") = "6"
    & skf21("3","7","1","7","7","6","5","1") = "6"
    & skf21("3","7","1","7","7","6","6","1") = "6"
    & skf21("3","7","1","7","7","6","7","1") = "6"
    & skf21("3","7","1","7","7","7","1","1") = "6"
    & skf21("3","7","1","7","7","7","2","1") = "6"
    & skf21("3","7","1","7","7","7","3","1") = "6"
    & skf21("3","7","1","7","7","7","4","1") = "6"
    & skf21("3","7","1","7","7","7","5","1") = "6"
    & skf21("3","7","1","7","7","7","6","1") = "6"
    & skf21("3","7","1","7","7","7","7","1") = "6"
    & skf21("3","7","2","1","1","1","1","1") = "6"
    & skf21("3","7","2","1","1","1","2","1") = "6"
    & skf21("3","7","2","1","1","1","3","1") = "6"
    & skf21("3","7","2","1","1","1","4","1") = "6"
    & skf21("3","7","2","1","1","1","5","1") = "6"
    & skf21("3","7","2","1","1","1","6","1") = "6"
    & skf21("3","7","2","1","1","1","7","1") = "6"
    & skf21("3","7","2","1","1","2","1","1") = "6"
    & skf21("3","7","2","1","1","2","2","1") = "6"
    & skf21("3","7","2","1","1","2","3","1") = "6"
    & skf21("3","7","2","1","1","2","4","1") = "6"
    & skf21("3","7","2","1","1","2","5","1") = "6"
    & skf21("3","7","2","1","1","2","6","1") = "6"
    & skf21("3","7","2","1","1","2","7","1") = "6"
    & skf21("3","7","2","1","1","3","1","1") = "6"
    & skf21("3","7","2","1","1","3","2","1") = "6"
    & skf21("3","7","2","1","1","3","3","1") = "6"
    & skf21("3","7","2","1","1","3","4","1") = "6"
    & skf21("3","7","2","1","1","3","5","1") = "6"
    & skf21("3","7","2","1","1","3","6","1") = "6"
    & skf21("3","7","2","1","1","3","7","1") = "6"
    & skf21("3","7","2","1","1","4","1","1") = "6"
    & skf21("3","7","2","1","1","4","2","1") = "6"
    & skf21("3","7","2","1","1","4","3","1") = "6"
    & skf21("3","7","2","1","1","4","4","1") = "6"
    & skf21("3","7","2","1","1","4","5","1") = "6"
    & skf21("3","7","2","1","1","4","6","1") = "6"
    & skf21("3","7","2","1","1","4","7","1") = "6"
    & skf21("3","7","2","1","1","5","1","1") = "6"
    & skf21("3","7","2","1","1","5","2","1") = "6"
    & skf21("3","7","2","1","1","5","3","1") = "6"
    & skf21("3","7","2","1","1","5","4","1") = "6"
    & skf21("3","7","2","1","1","5","5","1") = "6"
    & skf21("3","7","2","1","1","5","6","1") = "6"
    & skf21("3","7","2","1","1","5","7","1") = "6"
    & skf21("3","7","2","1","1","6","1","1") = "6"
    & skf21("3","7","2","1","1","6","2","1") = "6"
    & skf21("3","7","2","1","1","6","3","1") = "6"
    & skf21("3","7","2","1","1","6","4","1") = "6"
    & skf21("3","7","2","1","1","6","5","1") = "6"
    & skf21("3","7","2","1","1","6","6","1") = "6"
    & skf21("3","7","2","1","1","6","7","1") = "6"
    & skf21("3","7","2","1","1","7","1","1") = "6"
    & skf21("3","7","2","1","1","7","2","1") = "6"
    & skf21("3","7","2","1","1","7","3","1") = "6"
    & skf21("3","7","2","1","1","7","4","1") = "6"
    & skf21("3","7","2","1","1","7","5","1") = "6"
    & skf21("3","7","2","1","1","7","6","1") = "6"
    & skf21("3","7","2","1","1","7","7","1") = "6"
    & skf21("3","7","2","1","2","1","1","1") = "6"
    & skf21("3","7","2","1","2","1","2","1") = "6"
    & skf21("3","7","2","1","2","1","3","1") = "6"
    & skf21("3","7","2","1","2","1","4","1") = "6"
    & skf21("3","7","2","1","2","1","5","1") = "6"
    & skf21("3","7","2","1","2","1","6","1") = "6"
    & skf21("3","7","2","1","2","1","7","1") = "6"
    & skf21("3","7","2","1","2","2","1","1") = "6"
    & skf21("3","7","2","1","2","2","2","1") = "6"
    & skf21("3","7","2","1","2","2","3","1") = "6"
    & skf21("3","7","2","1","2","2","4","1") = "6"
    & skf21("3","7","2","1","2","2","5","1") = "6"
    & skf21("3","7","2","1","2","2","6","1") = "6"
    & skf21("3","7","2","1","2","2","7","1") = "6"
    & skf21("3","7","2","1","2","3","1","1") = "6"
    & skf21("3","7","2","1","2","3","2","1") = "6"
    & skf21("3","7","2","1","2","3","3","1") = "6"
    & skf21("3","7","2","1","2","3","4","1") = "6"
    & skf21("3","7","2","1","2","3","5","1") = "6"
    & skf21("3","7","2","1","2","3","6","1") = "6"
    & skf21("3","7","2","1","2","3","7","1") = "6"
    & skf21("3","7","2","1","2","4","1","1") = "6"
    & skf21("3","7","2","1","2","4","2","1") = "6"
    & skf21("3","7","2","1","2","4","3","1") = "6"
    & skf21("3","7","2","1","2","4","4","1") = "6"
    & skf21("3","7","2","1","2","4","5","1") = "6"
    & skf21("3","7","2","1","2","4","6","1") = "6"
    & skf21("3","7","2","1","2","4","7","1") = "6"
    & skf21("3","7","2","1","2","5","1","1") = "6"
    & skf21("3","7","2","1","2","5","2","1") = "6"
    & skf21("3","7","2","1","2","5","3","1") = "6"
    & skf21("3","7","2","1","2","5","4","1") = "6"
    & skf21("3","7","2","1","2","5","5","1") = "6"
    & skf21("3","7","2","1","2","5","6","1") = "6"
    & skf21("3","7","2","1","2","5","7","1") = "6"
    & skf21("3","7","2","1","2","6","1","1") = "6"
    & skf21("3","7","2","1","2","6","2","1") = "6"
    & skf21("3","7","2","1","2","6","3","1") = "6"
    & skf21("3","7","2","1","2","6","4","1") = "6"
    & skf21("3","7","2","1","2","6","5","1") = "6"
    & skf21("3","7","2","1","2","6","6","1") = "6"
    & skf21("3","7","2","1","2","6","7","1") = "6"
    & skf21("3","7","2","1","2","7","1","1") = "6"
    & skf21("3","7","2","1","2","7","2","1") = "6"
    & skf21("3","7","2","1","2","7","3","1") = "6"
    & skf21("3","7","2","1","2","7","4","1") = "6"
    & skf21("3","7","2","1","2","7","5","1") = "6"
    & skf21("3","7","2","1","2","7","6","1") = "6"
    & skf21("3","7","2","1","2","7","7","1") = "6"
    & skf21("3","7","2","1","3","1","1","1") = "6"
    & skf21("3","7","2","1","3","1","2","1") = "6"
    & skf21("3","7","2","1","3","1","3","1") = "6"
    & skf21("3","7","2","1","3","1","4","1") = "6"
    & skf21("3","7","2","1","3","1","5","1") = "6"
    & skf21("3","7","2","1","3","1","6","1") = "6"
    & skf21("3","7","2","1","3","1","7","1") = "6"
    & skf21("3","7","2","1","3","2","1","1") = "6"
    & skf21("3","7","2","1","3","2","2","1") = "6"
    & skf21("3","7","2","1","3","2","3","1") = "6"
    & skf21("3","7","2","1","3","2","4","1") = "6"
    & skf21("3","7","2","1","3","2","5","1") = "6"
    & skf21("3","7","2","1","3","2","6","1") = "6"
    & skf21("3","7","2","1","3","2","7","1") = "6"
    & skf21("3","7","2","1","3","3","1","1") = "6"
    & skf21("3","7","2","1","3","3","2","1") = "6"
    & skf21("3","7","2","1","3","3","3","1") = "6"
    & skf21("3","7","2","1","3","3","4","1") = "6"
    & skf21("3","7","2","1","3","3","5","1") = "6"
    & skf21("3","7","2","1","3","3","6","1") = "6"
    & skf21("3","7","2","1","3","3","7","1") = "6"
    & skf21("3","7","2","1","3","4","1","1") = "6"
    & skf21("3","7","2","1","3","4","2","1") = "6"
    & skf21("3","7","2","1","3","4","3","1") = "6"
    & skf21("3","7","2","1","3","4","4","1") = "6"
    & skf21("3","7","2","1","3","4","5","1") = "6"
    & skf21("3","7","2","1","3","4","6","1") = "6"
    & skf21("3","7","2","1","3","4","7","1") = "6"
    & skf21("3","7","2","1","3","5","1","1") = "6"
    & skf21("3","7","2","1","3","5","2","1") = "6"
    & skf21("3","7","2","1","3","5","3","1") = "6"
    & skf21("3","7","2","1","3","5","4","1") = "6"
    & skf21("3","7","2","1","3","5","5","1") = "6"
    & skf21("3","7","2","1","3","5","6","1") = "6"
    & skf21("3","7","2","1","3","5","7","1") = "6"
    & skf21("3","7","2","1","3","6","1","1") = "6"
    & skf21("3","7","2","1","3","6","2","1") = "6"
    & skf21("3","7","2","1","3","6","3","1") = "6"
    & skf21("3","7","2","1","3","6","4","1") = "6"
    & skf21("3","7","2","1","3","6","5","1") = "6"
    & skf21("3","7","2","1","3","6","6","1") = "6"
    & skf21("3","7","2","1","3","6","7","1") = "6"
    & skf21("3","7","2","1","3","7","1","1") = "6"
    & skf21("3","7","2","1","3","7","2","1") = "6"
    & skf21("3","7","2","1","3","7","3","1") = "6"
    & skf21("3","7","2","1","3","7","4","1") = "6"
    & skf21("3","7","2","1","3","7","5","1") = "6"
    & skf21("3","7","2","1","3","7","6","1") = "6"
    & skf21("3","7","2","1","3","7","7","1") = "6"
    & skf21("3","7","2","1","4","1","1","1") = "6"
    & skf21("3","7","2","1","4","1","2","1") = "6"
    & skf21("3","7","2","1","4","1","3","1") = "6"
    & skf21("3","7","2","1","4","1","4","1") = "6"
    & skf21("3","7","2","1","4","1","5","1") = "6"
    & skf21("3","7","2","1","4","1","6","1") = "6"
    & skf21("3","7","2","1","4","1","7","1") = "6"
    & skf21("3","7","2","1","4","2","1","1") = "6"
    & skf21("3","7","2","1","4","2","2","1") = "6"
    & skf21("3","7","2","1","4","2","3","1") = "6"
    & skf21("3","7","2","1","4","2","4","1") = "6"
    & skf21("3","7","2","1","4","2","5","1") = "6"
    & skf21("3","7","2","1","4","2","6","1") = "6"
    & skf21("3","7","2","1","4","2","7","1") = "6"
    & skf21("3","7","2","1","4","3","1","1") = "6"
    & skf21("3","7","2","1","4","3","2","1") = "6"
    & skf21("3","7","2","1","4","3","3","1") = "6"
    & skf21("3","7","2","1","4","3","4","1") = "6"
    & skf21("3","7","2","1","4","3","5","1") = "6"
    & skf21("3","7","2","1","4","3","6","1") = "6"
    & skf21("3","7","2","1","4","3","7","1") = "6"
    & skf21("3","7","2","1","4","4","1","1") = "6"
    & skf21("3","7","2","1","4","4","2","1") = "6"
    & skf21("3","7","2","1","4","4","3","1") = "6"
    & skf21("3","7","2","1","4","4","4","1") = "6"
    & skf21("3","7","2","1","4","4","5","1") = "6"
    & skf21("3","7","2","1","4","4","6","1") = "6"
    & skf21("3","7","2","1","4","4","7","1") = "6"
    & skf21("3","7","2","1","4","5","1","1") = "6"
    & skf21("3","7","2","1","4","5","2","1") = "6"
    & skf21("3","7","2","1","4","5","3","1") = "6"
    & skf21("3","7","2","1","4","5","4","1") = "6"
    & skf21("3","7","2","1","4","5","5","1") = "6"
    & skf21("3","7","2","1","4","5","6","1") = "6"
    & skf21("3","7","2","1","4","5","7","1") = "6"
    & skf21("3","7","2","1","4","6","1","1") = "6"
    & skf21("3","7","2","1","4","6","2","1") = "6"
    & skf21("3","7","2","1","4","6","3","1") = "6"
    & skf21("3","7","2","1","4","6","4","1") = "6"
    & skf21("3","7","2","1","4","6","5","1") = "6"
    & skf21("3","7","2","1","4","6","6","1") = "6"
    & skf21("3","7","2","1","4","6","7","1") = "6"
    & skf21("3","7","2","1","4","7","1","1") = "6"
    & skf21("3","7","2","1","4","7","2","1") = "6"
    & skf21("3","7","2","1","4","7","3","1") = "6"
    & skf21("3","7","2","1","4","7","4","1") = "6"
    & skf21("3","7","2","1","4","7","5","1") = "6"
    & skf21("3","7","2","1","4","7","6","1") = "6"
    & skf21("3","7","2","1","4","7","7","1") = "6"
    & skf21("3","7","2","1","5","1","1","1") = "6"
    & skf21("3","7","2","1","5","1","2","1") = "6"
    & skf21("3","7","2","1","5","1","3","1") = "6"
    & skf21("3","7","2","1","5","1","4","1") = "6"
    & skf21("3","7","2","1","5","1","5","1") = "6"
    & skf21("3","7","2","1","5","1","6","1") = "6"
    & skf21("3","7","2","1","5","1","7","1") = "6"
    & skf21("3","7","2","1","5","2","1","1") = "6"
    & skf21("3","7","2","1","5","2","2","1") = "6"
    & skf21("3","7","2","1","5","2","3","1") = "6"
    & skf21("3","7","2","1","5","2","4","1") = "6"
    & skf21("3","7","2","1","5","2","5","1") = "6"
    & skf21("3","7","2","1","5","2","6","1") = "6"
    & skf21("3","7","2","1","5","2","7","1") = "6"
    & skf21("3","7","2","1","5","3","1","1") = "6"
    & skf21("3","7","2","1","5","3","2","1") = "6"
    & skf21("3","7","2","1","5","3","3","1") = "6"
    & skf21("3","7","2","1","5","3","4","1") = "6"
    & skf21("3","7","2","1","5","3","5","1") = "6"
    & skf21("3","7","2","1","5","3","6","1") = "6"
    & skf21("3","7","2","1","5","3","7","1") = "6"
    & skf21("3","7","2","1","5","4","1","1") = "6"
    & skf21("3","7","2","1","5","4","2","1") = "6"
    & skf21("3","7","2","1","5","4","3","1") = "6"
    & skf21("3","7","2","1","5","4","4","1") = "6"
    & skf21("3","7","2","1","5","4","5","1") = "6"
    & skf21("3","7","2","1","5","4","6","1") = "6"
    & skf21("3","7","2","1","5","4","7","1") = "6"
    & skf21("3","7","2","1","5","5","1","1") = "6"
    & skf21("3","7","2","1","5","5","2","1") = "6"
    & skf21("3","7","2","1","5","5","3","1") = "6"
    & skf21("3","7","2","1","5","5","4","1") = "6"
    & skf21("3","7","2","1","5","5","5","1") = "6"
    & skf21("3","7","2","1","5","5","6","1") = "6"
    & skf21("3","7","2","1","5","5","7","1") = "6"
    & skf21("3","7","2","1","5","6","1","1") = "6"
    & skf21("3","7","2","1","5","6","2","1") = "6"
    & skf21("3","7","2","1","5","6","3","1") = "6"
    & skf21("3","7","2","1","5","6","4","1") = "6"
    & skf21("3","7","2","1","5","6","5","1") = "6"
    & skf21("3","7","2","1","5","6","6","1") = "6"
    & skf21("3","7","2","1","5","6","7","1") = "6"
    & skf21("3","7","2","1","5","7","1","1") = "6"
    & skf21("3","7","2","1","5","7","2","1") = "6"
    & skf21("3","7","2","1","5","7","3","1") = "6"
    & skf21("3","7","2","1","5","7","4","1") = "6"
    & skf21("3","7","2","1","5","7","5","1") = "6"
    & skf21("3","7","2","1","5","7","6","1") = "6"
    & skf21("3","7","2","1","5","7","7","1") = "6"
    & skf21("3","7","2","1","6","1","1","1") = "6"
    & skf21("3","7","2","1","6","1","2","1") = "6"
    & skf21("3","7","2","1","6","1","3","1") = "6"
    & skf21("3","7","2","1","6","1","4","1") = "6"
    & skf21("3","7","2","1","6","1","5","1") = "6"
    & skf21("3","7","2","1","6","1","6","1") = "6"
    & skf21("3","7","2","1","6","1","7","1") = "6"
    & skf21("3","7","2","1","6","2","1","1") = "6"
    & skf21("3","7","2","1","6","2","2","1") = "6"
    & skf21("3","7","2","1","6","2","3","1") = "6"
    & skf21("3","7","2","1","6","2","4","1") = "6"
    & skf21("3","7","2","1","6","2","5","1") = "6"
    & skf21("3","7","2","1","6","2","6","1") = "6"
    & skf21("3","7","2","1","6","2","7","1") = "6"
    & skf21("3","7","2","1","6","3","1","1") = "6"
    & skf21("3","7","2","1","6","3","2","1") = "6"
    & skf21("3","7","2","1","6","3","3","1") = "6"
    & skf21("3","7","2","1","6","3","4","1") = "6"
    & skf21("3","7","2","1","6","3","5","1") = "6"
    & skf21("3","7","2","1","6","3","6","1") = "6"
    & skf21("3","7","2","1","6","3","7","1") = "6"
    & skf21("3","7","2","1","6","4","1","1") = "6"
    & skf21("3","7","2","1","6","4","2","1") = "6"
    & skf21("3","7","2","1","6","4","3","1") = "6"
    & skf21("3","7","2","1","6","4","4","1") = "6"
    & skf21("3","7","2","1","6","4","5","1") = "6"
    & skf21("3","7","2","1","6","4","6","1") = "6"
    & skf21("3","7","2","1","6","4","7","1") = "6"
    & skf21("3","7","2","1","6","5","1","1") = "6"
    & skf21("3","7","2","1","6","5","2","1") = "6"
    & skf21("3","7","2","1","6","5","3","1") = "6"
    & skf21("3","7","2","1","6","5","4","1") = "6"
    & skf21("3","7","2","1","6","5","5","1") = "6"
    & skf21("3","7","2","1","6","5","6","1") = "6"
    & skf21("3","7","2","1","6","5","7","1") = "6"
    & skf21("3","7","2","1","6","6","1","1") = "6"
    & skf21("3","7","2","1","6","6","2","1") = "6"
    & skf21("3","7","2","1","6","6","3","1") = "6"
    & skf21("3","7","2","1","6","6","4","1") = "6"
    & skf21("3","7","2","1","6","6","5","1") = "6"
    & skf21("3","7","2","1","6","6","6","1") = "6"
    & skf21("3","7","2","1","6","6","7","1") = "6"
    & skf21("3","7","2","1","6","7","1","1") = "6"
    & skf21("3","7","2","1","6","7","2","1") = "6"
    & skf21("3","7","2","1","6","7","3","1") = "6"
    & skf21("3","7","2","1","6","7","4","1") = "6"
    & skf21("3","7","2","1","6","7","5","1") = "6"
    & skf21("3","7","2","1","6","7","6","1") = "6"
    & skf21("3","7","2","1","6","7","7","1") = "6"
    & skf21("3","7","2","1","7","1","1","1") = "6"
    & skf21("3","7","2","1","7","1","2","1") = "6"
    & skf21("3","7","2","1","7","1","3","1") = "6"
    & skf21("3","7","2","1","7","1","4","1") = "6"
    & skf21("3","7","2","1","7","1","5","1") = "6"
    & skf21("3","7","2","1","7","1","6","1") = "6"
    & skf21("3","7","2","1","7","1","7","1") = "6"
    & skf21("3","7","2","1","7","2","1","1") = "6"
    & skf21("3","7","2","1","7","2","2","1") = "6"
    & skf21("3","7","2","1","7","2","3","1") = "6"
    & skf21("3","7","2","1","7","2","4","1") = "6"
    & skf21("3","7","2","1","7","2","5","1") = "6"
    & skf21("3","7","2","1","7","2","6","1") = "6"
    & skf21("3","7","2","1","7","2","7","1") = "6"
    & skf21("3","7","2","1","7","3","1","1") = "6"
    & skf21("3","7","2","1","7","3","2","1") = "6"
    & skf21("3","7","2","1","7","3","3","1") = "6"
    & skf21("3","7","2","1","7","3","4","1") = "6"
    & skf21("3","7","2","1","7","3","5","1") = "6"
    & skf21("3","7","2","1","7","3","6","1") = "6"
    & skf21("3","7","2","1","7","3","7","1") = "6"
    & skf21("3","7","2","1","7","4","1","1") = "6"
    & skf21("3","7","2","1","7","4","2","1") = "6"
    & skf21("3","7","2","1","7","4","3","1") = "6"
    & skf21("3","7","2","1","7","4","4","1") = "6"
    & skf21("3","7","2","1","7","4","5","1") = "6"
    & skf21("3","7","2","1","7","4","6","1") = "6"
    & skf21("3","7","2","1","7","4","7","1") = "6"
    & skf21("3","7","2","1","7","5","1","1") = "6"
    & skf21("3","7","2","1","7","5","2","1") = "6"
    & skf21("3","7","2","1","7","5","3","1") = "6"
    & skf21("3","7","2","1","7","5","4","1") = "6"
    & skf21("3","7","2","1","7","5","5","1") = "6"
    & skf21("3","7","2","1","7","5","6","1") = "6"
    & skf21("3","7","2","1","7","5","7","1") = "6"
    & skf21("3","7","2","1","7","6","1","1") = "6"
    & skf21("3","7","2","1","7","6","2","1") = "6"
    & skf21("3","7","2","1","7","6","3","1") = "6"
    & skf21("3","7","2","1","7","6","4","1") = "6"
    & skf21("3","7","2","1","7","6","5","1") = "6"
    & skf21("3","7","2","1","7","6","6","1") = "6"
    & skf21("3","7","2","1","7","6","7","1") = "6"
    & skf21("3","7","2","1","7","7","1","1") = "6"
    & skf21("3","7","2","1","7","7","2","1") = "6"
    & skf21("3","7","2","1","7","7","3","1") = "6"
    & skf21("3","7","2","1","7","7","4","1") = "6"
    & skf21("3","7","2","1","7","7","5","1") = "6"
    & skf21("3","7","2","1","7","7","6","1") = "6"
    & skf21("3","7","2","1","7","7","7","1") = "6"
    & skf21("3","7","2","2","1","1","1","1") = "6"
    & skf21("3","7","2","2","1","1","2","1") = "6"
    & skf21("3","7","2","2","1","1","3","1") = "6"
    & skf21("3","7","2","2","1","1","4","1") = "6"
    & skf21("3","7","2","2","1","1","5","1") = "6"
    & skf21("3","7","2","2","1","1","6","1") = "6"
    & skf21("3","7","2","2","1","1","7","1") = "6"
    & skf21("3","7","2","2","1","2","1","1") = "6"
    & skf21("3","7","2","2","1","2","2","1") = "6"
    & skf21("3","7","2","2","1","2","3","1") = "6"
    & skf21("3","7","2","2","1","2","4","1") = "6"
    & skf21("3","7","2","2","1","2","5","1") = "6"
    & skf21("3","7","2","2","1","2","6","1") = "6"
    & skf21("3","7","2","2","1","2","7","1") = "6"
    & skf21("3","7","2","2","1","3","1","1") = "6"
    & skf21("3","7","2","2","1","3","2","1") = "6"
    & skf21("3","7","2","2","1","3","3","1") = "6"
    & skf21("3","7","2","2","1","3","4","1") = "6"
    & skf21("3","7","2","2","1","3","5","1") = "6"
    & skf21("3","7","2","2","1","3","6","1") = "6"
    & skf21("3","7","2","2","1","3","7","1") = "6"
    & skf21("3","7","2","2","1","4","1","1") = "6"
    & skf21("3","7","2","2","1","4","2","1") = "6"
    & skf21("3","7","2","2","1","4","3","1") = "6"
    & skf21("3","7","2","2","1","4","4","1") = "6"
    & skf21("3","7","2","2","1","4","5","1") = "6"
    & skf21("3","7","2","2","1","4","6","1") = "6"
    & skf21("3","7","2","2","1","4","7","1") = "6"
    & skf21("3","7","2","2","1","5","1","1") = "6"
    & skf21("3","7","2","2","1","5","2","1") = "6"
    & skf21("3","7","2","2","1","5","3","1") = "6"
    & skf21("3","7","2","2","1","5","4","1") = "6"
    & skf21("3","7","2","2","1","5","5","1") = "6"
    & skf21("3","7","2","2","1","5","6","1") = "6"
    & skf21("3","7","2","2","1","5","7","1") = "6"
    & skf21("3","7","2","2","1","6","1","1") = "6"
    & skf21("3","7","2","2","1","6","2","1") = "6"
    & skf21("3","7","2","2","1","6","3","1") = "6"
    & skf21("3","7","2","2","1","6","4","1") = "6"
    & skf21("3","7","2","2","1","6","5","1") = "6"
    & skf21("3","7","2","2","1","6","6","1") = "6"
    & skf21("3","7","2","2","1","6","7","1") = "6"
    & skf21("3","7","2","2","1","7","1","1") = "6"
    & skf21("3","7","2","2","1","7","2","1") = "6"
    & skf21("3","7","2","2","1","7","3","1") = "6"
    & skf21("3","7","2","2","1","7","4","1") = "6"
    & skf21("3","7","2","2","1","7","5","1") = "6"
    & skf21("3","7","2","2","1","7","6","1") = "6"
    & skf21("3","7","2","2","1","7","7","1") = "6"
    & skf21("3","7","2","2","2","1","1","1") = "6"
    & skf21("3","7","2","2","2","1","2","1") = "6"
    & skf21("3","7","2","2","2","1","3","1") = "6"
    & skf21("3","7","2","2","2","1","4","1") = "6"
    & skf21("3","7","2","2","2","1","5","1") = "6"
    & skf21("3","7","2","2","2","1","6","1") = "6"
    & skf21("3","7","2","2","2","1","7","1") = "6"
    & skf21("3","7","2","2","2","2","1","1") = "6"
    & skf21("3","7","2","2","2","2","2","1") = "6"
    & skf21("3","7","2","2","2","2","3","1") = "6"
    & skf21("3","7","2","2","2","2","4","1") = "6"
    & skf21("3","7","2","2","2","2","5","1") = "6"
    & skf21("3","7","2","2","2","2","6","1") = "6"
    & skf21("3","7","2","2","2","2","7","1") = "6"
    & skf21("3","7","2","2","2","3","1","1") = "6"
    & skf21("3","7","2","2","2","3","2","1") = "6"
    & skf21("3","7","2","2","2","3","3","1") = "6"
    & skf21("3","7","2","2","2","3","4","1") = "6"
    & skf21("3","7","2","2","2","3","5","1") = "6"
    & skf21("3","7","2","2","2","3","6","1") = "6"
    & skf21("3","7","2","2","2","3","7","1") = "6"
    & skf21("3","7","2","2","2","4","1","1") = "6"
    & skf21("3","7","2","2","2","4","2","1") = "6"
    & skf21("3","7","2","2","2","4","3","1") = "6"
    & skf21("3","7","2","2","2","4","4","1") = "6"
    & skf21("3","7","2","2","2","4","5","1") = "6"
    & skf21("3","7","2","2","2","4","6","1") = "6"
    & skf21("3","7","2","2","2","4","7","1") = "6"
    & skf21("3","7","2","2","2","5","1","1") = "6"
    & skf21("3","7","2","2","2","5","2","1") = "6"
    & skf21("3","7","2","2","2","5","3","1") = "6"
    & skf21("3","7","2","2","2","5","4","1") = "6"
    & skf21("3","7","2","2","2","5","5","1") = "6"
    & skf21("3","7","2","2","2","5","6","1") = "6"
    & skf21("3","7","2","2","2","5","7","1") = "6"
    & skf21("3","7","2","2","2","6","1","1") = "6"
    & skf21("3","7","2","2","2","6","2","1") = "6"
    & skf21("3","7","2","2","2","6","3","1") = "6"
    & skf21("3","7","2","2","2","6","4","1") = "6"
    & skf21("3","7","2","2","2","6","5","1") = "6"
    & skf21("3","7","2","2","2","6","6","1") = "6"
    & skf21("3","7","2","2","2","6","7","1") = "6"
    & skf21("3","7","2","2","2","7","1","1") = "6"
    & skf21("3","7","2","2","2","7","2","1") = "6"
    & skf21("3","7","2","2","2","7","3","1") = "6"
    & skf21("3","7","2","2","2","7","4","1") = "6"
    & skf21("3","7","2","2","2","7","5","1") = "6"
    & skf21("3","7","2","2","2","7","6","1") = "6"
    & skf21("3","7","2","2","2","7","7","1") = "6"
    & skf21("3","7","2","2","3","1","1","1") = "6"
    & skf21("3","7","2","2","3","1","2","1") = "6"
    & skf21("3","7","2","2","3","1","3","1") = "6"
    & skf21("3","7","2","2","3","1","4","1") = "6"
    & skf21("3","7","2","2","3","1","5","1") = "6"
    & skf21("3","7","2","2","3","1","6","1") = "6"
    & skf21("3","7","2","2","3","1","7","1") = "6"
    & skf21("3","7","2","2","3","2","1","1") = "6"
    & skf21("3","7","2","2","3","2","2","1") = "6"
    & skf21("3","7","2","2","3","2","3","1") = "6"
    & skf21("3","7","2","2","3","2","4","1") = "6"
    & skf21("3","7","2","2","3","2","5","1") = "6"
    & skf21("3","7","2","2","3","2","6","1") = "6"
    & skf21("3","7","2","2","3","2","7","1") = "6"
    & skf21("3","7","2","2","3","3","1","1") = "6"
    & skf21("3","7","2","2","3","3","2","1") = "6"
    & skf21("3","7","2","2","3","3","3","1") = "6"
    & skf21("3","7","2","2","3","3","4","1") = "6"
    & skf21("3","7","2","2","3","3","5","1") = "6"
    & skf21("3","7","2","2","3","3","6","1") = "6"
    & skf21("3","7","2","2","3","3","7","1") = "6"
    & skf21("3","7","2","2","3","4","1","1") = "6"
    & skf21("3","7","2","2","3","4","2","1") = "6"
    & skf21("3","7","2","2","3","4","3","1") = "6"
    & skf21("3","7","2","2","3","4","4","1") = "6"
    & skf21("3","7","2","2","3","4","5","1") = "6"
    & skf21("3","7","2","2","3","4","6","1") = "6"
    & skf21("3","7","2","2","3","4","7","1") = "6"
    & skf21("3","7","2","2","3","5","1","1") = "6"
    & skf21("3","7","2","2","3","5","2","1") = "6"
    & skf21("3","7","2","2","3","5","3","1") = "6"
    & skf21("3","7","2","2","3","5","4","1") = "6"
    & skf21("3","7","2","2","3","5","5","1") = "6"
    & skf21("3","7","2","2","3","5","6","1") = "6"
    & skf21("3","7","2","2","3","5","7","1") = "6"
    & skf21("3","7","2","2","3","6","1","1") = "6"
    & skf21("3","7","2","2","3","6","2","1") = "6"
    & skf21("3","7","2","2","3","6","3","1") = "6"
    & skf21("3","7","2","2","3","6","4","1") = "6"
    & skf21("3","7","2","2","3","6","5","1") = "6"
    & skf21("3","7","2","2","3","6","6","1") = "6"
    & skf21("3","7","2","2","3","6","7","1") = "6"
    & skf21("3","7","2","2","3","7","1","1") = "6"
    & skf21("3","7","2","2","3","7","2","1") = "6"
    & skf21("3","7","2","2","3","7","3","1") = "6"
    & skf21("3","7","2","2","3","7","4","1") = "6"
    & skf21("3","7","2","2","3","7","5","1") = "6"
    & skf21("3","7","2","2","3","7","6","1") = "6"
    & skf21("3","7","2","2","3","7","7","1") = "6"
    & skf21("3","7","2","2","4","1","1","1") = "6"
    & skf21("3","7","2","2","4","1","2","1") = "6"
    & skf21("3","7","2","2","4","1","3","1") = "6"
    & skf21("3","7","2","2","4","1","4","1") = "6"
    & skf21("3","7","2","2","4","1","5","1") = "6"
    & skf21("3","7","2","2","4","1","6","1") = "6"
    & skf21("3","7","2","2","4","1","7","1") = "6"
    & skf21("3","7","2","2","4","2","1","1") = "6"
    & skf21("3","7","2","2","4","2","2","1") = "6"
    & skf21("3","7","2","2","4","2","3","1") = "6"
    & skf21("3","7","2","2","4","2","4","1") = "6"
    & skf21("3","7","2","2","4","2","5","1") = "6"
    & skf21("3","7","2","2","4","2","6","1") = "6"
    & skf21("3","7","2","2","4","2","7","1") = "6"
    & skf21("3","7","2","2","4","3","1","1") = "6"
    & skf21("3","7","2","2","4","3","2","1") = "6"
    & skf21("3","7","2","2","4","3","3","1") = "6"
    & skf21("3","7","2","2","4","3","4","1") = "6"
    & skf21("3","7","2","2","4","3","5","1") = "6"
    & skf21("3","7","2","2","4","3","6","1") = "6"
    & skf21("3","7","2","2","4","3","7","1") = "6"
    & skf21("3","7","2","2","4","4","1","1") = "6"
    & skf21("3","7","2","2","4","4","2","1") = "6"
    & skf21("3","7","2","2","4","4","3","1") = "6"
    & skf21("3","7","2","2","4","4","4","1") = "6"
    & skf21("3","7","2","2","4","4","5","1") = "6"
    & skf21("3","7","2","2","4","4","6","1") = "6"
    & skf21("3","7","2","2","4","4","7","1") = "6"
    & skf21("3","7","2","2","4","5","1","1") = "6"
    & skf21("3","7","2","2","4","5","2","1") = "6"
    & skf21("3","7","2","2","4","5","3","1") = "6"
    & skf21("3","7","2","2","4","5","4","1") = "6"
    & skf21("3","7","2","2","4","5","5","1") = "6"
    & skf21("3","7","2","2","4","5","6","1") = "6"
    & skf21("3","7","2","2","4","5","7","1") = "6"
    & skf21("3","7","2","2","4","6","1","1") = "6"
    & skf21("3","7","2","2","4","6","2","1") = "6"
    & skf21("3","7","2","2","4","6","3","1") = "6"
    & skf21("3","7","2","2","4","6","4","1") = "6"
    & skf21("3","7","2","2","4","6","5","1") = "6"
    & skf21("3","7","2","2","4","6","6","1") = "6"
    & skf21("3","7","2","2","4","6","7","1") = "6"
    & skf21("3","7","2","2","4","7","1","1") = "6"
    & skf21("3","7","2","2","4","7","2","1") = "6"
    & skf21("3","7","2","2","4","7","3","1") = "6"
    & skf21("3","7","2","2","4","7","4","1") = "6"
    & skf21("3","7","2","2","4","7","5","1") = "6"
    & skf21("3","7","2","2","4","7","6","1") = "6"
    & skf21("3","7","2","2","4","7","7","1") = "6"
    & skf21("3","7","2","2","5","1","1","1") = "6"
    & skf21("3","7","2","2","5","1","2","1") = "6"
    & skf21("3","7","2","2","5","1","3","1") = "6"
    & skf21("3","7","2","2","5","1","4","1") = "6"
    & skf21("3","7","2","2","5","1","5","1") = "6"
    & skf21("3","7","2","2","5","1","6","1") = "6"
    & skf21("3","7","2","2","5","1","7","1") = "6"
    & skf21("3","7","2","2","5","2","1","1") = "6"
    & skf21("3","7","2","2","5","2","2","1") = "6"
    & skf21("3","7","2","2","5","2","3","1") = "6"
    & skf21("3","7","2","2","5","2","4","1") = "6"
    & skf21("3","7","2","2","5","2","5","1") = "6"
    & skf21("3","7","2","2","5","2","6","1") = "6"
    & skf21("3","7","2","2","5","2","7","1") = "6"
    & skf21("3","7","2","2","5","3","1","1") = "6"
    & skf21("3","7","2","2","5","3","2","1") = "6"
    & skf21("3","7","2","2","5","3","3","1") = "6"
    & skf21("3","7","2","2","5","3","4","1") = "6"
    & skf21("3","7","2","2","5","3","5","1") = "6"
    & skf21("3","7","2","2","5","3","6","1") = "6"
    & skf21("3","7","2","2","5","3","7","1") = "6"
    & skf21("3","7","2","2","5","4","1","1") = "6"
    & skf21("3","7","2","2","5","4","2","1") = "6"
    & skf21("3","7","2","2","5","4","3","1") = "6"
    & skf21("3","7","2","2","5","4","4","1") = "6"
    & skf21("3","7","2","2","5","4","5","1") = "6"
    & skf21("3","7","2","2","5","4","6","1") = "6"
    & skf21("3","7","2","2","5","4","7","1") = "6"
    & skf21("3","7","2","2","5","5","1","1") = "6"
    & skf21("3","7","2","2","5","5","2","1") = "6"
    & skf21("3","7","2","2","5","5","3","1") = "6"
    & skf21("3","7","2","2","5","5","4","1") = "6"
    & skf21("3","7","2","2","5","5","5","1") = "6"
    & skf21("3","7","2","2","5","5","6","1") = "6"
    & skf21("3","7","2","2","5","5","7","1") = "6"
    & skf21("3","7","2","2","5","6","1","1") = "6"
    & skf21("3","7","2","2","5","6","2","1") = "6"
    & skf21("3","7","2","2","5","6","3","1") = "6"
    & skf21("3","7","2","2","5","6","4","1") = "6"
    & skf21("3","7","2","2","5","6","5","1") = "6"
    & skf21("3","7","2","2","5","6","6","1") = "6"
    & skf21("3","7","2","2","5","6","7","1") = "6"
    & skf21("3","7","2","2","5","7","1","1") = "6"
    & skf21("3","7","2","2","5","7","2","1") = "6"
    & skf21("3","7","2","2","5","7","3","1") = "6"
    & skf21("3","7","2","2","5","7","4","1") = "6"
    & skf21("3","7","2","2","5","7","5","1") = "6"
    & skf21("3","7","2","2","5","7","6","1") = "6"
    & skf21("3","7","2","2","5","7","7","1") = "6"
    & skf21("3","7","2","2","6","1","1","1") = "6"
    & skf21("3","7","2","2","6","1","2","1") = "6"
    & skf21("3","7","2","2","6","1","3","1") = "6"
    & skf21("3","7","2","2","6","1","4","1") = "6"
    & skf21("3","7","2","2","6","1","5","1") = "6"
    & skf21("3","7","2","2","6","1","6","1") = "6"
    & skf21("3","7","2","2","6","1","7","1") = "6"
    & skf21("3","7","2","2","6","2","1","1") = "6"
    & skf21("3","7","2","2","6","2","2","1") = "6"
    & skf21("3","7","2","2","6","2","3","1") = "6"
    & skf21("3","7","2","2","6","2","4","1") = "6"
    & skf21("3","7","2","2","6","2","5","1") = "6"
    & skf21("3","7","2","2","6","2","6","1") = "6"
    & skf21("3","7","2","2","6","2","7","1") = "6"
    & skf21("3","7","2","2","6","3","1","1") = "6"
    & skf21("3","7","2","2","6","3","2","1") = "6"
    & skf21("3","7","2","2","6","3","3","1") = "6"
    & skf21("3","7","2","2","6","3","4","1") = "6"
    & skf21("3","7","2","2","6","3","5","1") = "6"
    & skf21("3","7","2","2","6","3","6","1") = "6"
    & skf21("3","7","2","2","6","3","7","1") = "6"
    & skf21("3","7","2","2","6","4","1","1") = "6"
    & skf21("3","7","2","2","6","4","2","1") = "6"
    & skf21("3","7","2","2","6","4","3","1") = "6"
    & skf21("3","7","2","2","6","4","4","1") = "6"
    & skf21("3","7","2","2","6","4","5","1") = "6"
    & skf21("3","7","2","2","6","4","6","1") = "6"
    & skf21("3","7","2","2","6","4","7","1") = "6"
    & skf21("3","7","2","2","6","5","1","1") = "6"
    & skf21("3","7","2","2","6","5","2","1") = "6"
    & skf21("3","7","2","2","6","5","3","1") = "6"
    & skf21("3","7","2","2","6","5","4","1") = "6"
    & skf21("3","7","2","2","6","5","5","1") = "6"
    & skf21("3","7","2","2","6","5","6","1") = "6"
    & skf21("3","7","2","2","6","5","7","1") = "6"
    & skf21("3","7","2","2","6","6","1","1") = "6"
    & skf21("3","7","2","2","6","6","2","1") = "6"
    & skf21("3","7","2","2","6","6","3","1") = "6"
    & skf21("3","7","2","2","6","6","4","1") = "6"
    & skf21("3","7","2","2","6","6","5","1") = "6"
    & skf21("3","7","2","2","6","6","6","1") = "6"
    & skf21("3","7","2","2","6","6","7","1") = "6"
    & skf21("3","7","2","2","6","7","1","1") = "6"
    & skf21("3","7","2","2","6","7","2","1") = "6"
    & skf21("3","7","2","2","6","7","3","1") = "6"
    & skf21("3","7","2","2","6","7","4","1") = "6"
    & skf21("3","7","2","2","6","7","5","1") = "6"
    & skf21("3","7","2","2","6","7","6","1") = "6"
    & skf21("3","7","2","2","6","7","7","1") = "6"
    & skf21("3","7","2","2","7","1","1","1") = "6"
    & skf21("3","7","2","2","7","1","2","1") = "6"
    & skf21("3","7","2","2","7","1","3","1") = "6"
    & skf21("3","7","2","2","7","1","4","1") = "6"
    & skf21("3","7","2","2","7","1","5","1") = "6"
    & skf21("3","7","2","2","7","1","6","1") = "6"
    & skf21("3","7","2","2","7","1","7","1") = "6"
    & skf21("3","7","2","2","7","2","1","1") = "6"
    & skf21("3","7","2","2","7","2","2","1") = "6"
    & skf21("3","7","2","2","7","2","3","1") = "6"
    & skf21("3","7","2","2","7","2","4","1") = "6"
    & skf21("3","7","2","2","7","2","5","1") = "6"
    & skf21("3","7","2","2","7","2","6","1") = "6"
    & skf21("3","7","2","2","7","2","7","1") = "6"
    & skf21("3","7","2","2","7","3","1","1") = "6"
    & skf21("3","7","2","2","7","3","2","1") = "6"
    & skf21("3","7","2","2","7","3","3","1") = "6"
    & skf21("3","7","2","2","7","3","4","1") = "6"
    & skf21("3","7","2","2","7","3","5","1") = "6"
    & skf21("3","7","2","2","7","3","6","1") = "6"
    & skf21("3","7","2","2","7","3","7","1") = "6"
    & skf21("3","7","2","2","7","4","1","1") = "6"
    & skf21("3","7","2","2","7","4","2","1") = "6"
    & skf21("3","7","2","2","7","4","3","1") = "6"
    & skf21("3","7","2","2","7","4","4","1") = "6"
    & skf21("3","7","2","2","7","4","5","1") = "6"
    & skf21("3","7","2","2","7","4","6","1") = "6"
    & skf21("3","7","2","2","7","4","7","1") = "6"
    & skf21("3","7","2","2","7","5","1","1") = "6"
    & skf21("3","7","2","2","7","5","2","1") = "6"
    & skf21("3","7","2","2","7","5","3","1") = "6"
    & skf21("3","7","2","2","7","5","4","1") = "6"
    & skf21("3","7","2","2","7","5","5","1") = "6"
    & skf21("3","7","2","2","7","5","6","1") = "6"
    & skf21("3","7","2","2","7","5","7","1") = "6"
    & skf21("3","7","2","2","7","6","1","1") = "6"
    & skf21("3","7","2","2","7","6","2","1") = "6"
    & skf21("3","7","2","2","7","6","3","1") = "6"
    & skf21("3","7","2","2","7","6","4","1") = "6"
    & skf21("3","7","2","2","7","6","5","1") = "6"
    & skf21("3","7","2","2","7","6","6","1") = "6"
    & skf21("3","7","2","2","7","6","7","1") = "6"
    & skf21("3","7","2","2","7","7","1","1") = "6"
    & skf21("3","7","2","2","7","7","2","1") = "6"
    & skf21("3","7","2","2","7","7","3","1") = "6"
    & skf21("3","7","2","2","7","7","4","1") = "6"
    & skf21("3","7","2","2","7","7","5","1") = "6"
    & skf21("3","7","2","2","7","7","6","1") = "6"
    & skf21("3","7","2","2","7","7","7","1") = "6"
    & skf21("3","7","2","3","1","1","1","1") = "6"
    & skf21("3","7","2","3","1","1","2","1") = "6"
    & skf21("3","7","2","3","1","1","3","1") = "6"
    & skf21("3","7","2","3","1","1","4","1") = "6"
    & skf21("3","7","2","3","1","1","5","1") = "6"
    & skf21("3","7","2","3","1","1","6","1") = "6"
    & skf21("3","7","2","3","1","1","7","1") = "6"
    & skf21("3","7","2","3","1","2","1","1") = "6"
    & skf21("3","7","2","3","1","2","2","1") = "6"
    & skf21("3","7","2","3","1","2","3","1") = "6"
    & skf21("3","7","2","3","1","2","4","1") = "6"
    & skf21("3","7","2","3","1","2","5","1") = "6"
    & skf21("3","7","2","3","1","2","6","1") = "6"
    & skf21("3","7","2","3","1","2","7","1") = "6"
    & skf21("3","7","2","3","1","3","1","1") = "6"
    & skf21("3","7","2","3","1","3","2","1") = "6"
    & skf21("3","7","2","3","1","3","3","1") = "6"
    & skf21("3","7","2","3","1","3","4","1") = "6"
    & skf21("3","7","2","3","1","3","5","1") = "6"
    & skf21("3","7","2","3","1","3","6","1") = "6"
    & skf21("3","7","2","3","1","3","7","1") = "6"
    & skf21("3","7","2","3","1","4","1","1") = "6"
    & skf21("3","7","2","3","1","4","2","1") = "6"
    & skf21("3","7","2","3","1","4","3","1") = "6"
    & skf21("3","7","2","3","1","4","4","1") = "6"
    & skf21("3","7","2","3","1","4","5","1") = "6"
    & skf21("3","7","2","3","1","4","6","1") = "6"
    & skf21("3","7","2","3","1","4","7","1") = "6"
    & skf21("3","7","2","3","1","5","1","1") = "6"
    & skf21("3","7","2","3","1","5","2","1") = "6"
    & skf21("3","7","2","3","1","5","3","1") = "6"
    & skf21("3","7","2","3","1","5","4","1") = "6"
    & skf21("3","7","2","3","1","5","5","1") = "6"
    & skf21("3","7","2","3","1","5","6","1") = "6"
    & skf21("3","7","2","3","1","5","7","1") = "6"
    & skf21("3","7","2","3","1","6","1","1") = "6"
    & skf21("3","7","2","3","1","6","2","1") = "6"
    & skf21("3","7","2","3","1","6","3","1") = "6"
    & skf21("3","7","2","3","1","6","4","1") = "6"
    & skf21("3","7","2","3","1","6","5","1") = "6"
    & skf21("3","7","2","3","1","6","6","1") = "6"
    & skf21("3","7","2","3","1","6","7","1") = "6"
    & skf21("3","7","2","3","1","7","1","1") = "6"
    & skf21("3","7","2","3","1","7","2","1") = "6"
    & skf21("3","7","2","3","1","7","3","1") = "6"
    & skf21("3","7","2","3","1","7","4","1") = "6"
    & skf21("3","7","2","3","1","7","5","1") = "6"
    & skf21("3","7","2","3","1","7","6","1") = "6"
    & skf21("3","7","2","3","1","7","7","1") = "6"
    & skf21("3","7","2","3","2","1","1","1") = "6"
    & skf21("3","7","2","3","2","1","2","1") = "6"
    & skf21("3","7","2","3","2","1","3","1") = "6"
    & skf21("3","7","2","3","2","1","4","1") = "6"
    & skf21("3","7","2","3","2","1","5","1") = "6"
    & skf21("3","7","2","3","2","1","6","1") = "6"
    & skf21("3","7","2","3","2","1","7","1") = "6"
    & skf21("3","7","2","3","2","2","1","1") = "6"
    & skf21("3","7","2","3","2","2","2","1") = "6"
    & skf21("3","7","2","3","2","2","3","1") = "6"
    & skf21("3","7","2","3","2","2","4","1") = "6"
    & skf21("3","7","2","3","2","2","5","1") = "6"
    & skf21("3","7","2","3","2","2","6","1") = "6"
    & skf21("3","7","2","3","2","2","7","1") = "6"
    & skf21("3","7","2","3","2","3","1","1") = "6"
    & skf21("3","7","2","3","2","3","2","1") = "6"
    & skf21("3","7","2","3","2","3","3","1") = "6"
    & skf21("3","7","2","3","2","3","4","1") = "6"
    & skf21("3","7","2","3","2","3","5","1") = "6"
    & skf21("3","7","2","3","2","3","6","1") = "6"
    & skf21("3","7","2","3","2","3","7","1") = "6"
    & skf21("3","7","2","3","2","4","1","1") = "6"
    & skf21("3","7","2","3","2","4","2","1") = "6"
    & skf21("3","7","2","3","2","4","3","1") = "6"
    & skf21("3","7","2","3","2","4","4","1") = "6"
    & skf21("3","7","2","3","2","4","5","1") = "6"
    & skf21("3","7","2","3","2","4","6","1") = "6"
    & skf21("3","7","2","3","2","4","7","1") = "6"
    & skf21("3","7","2","3","2","5","1","1") = "6"
    & skf21("3","7","2","3","2","5","2","1") = "6"
    & skf21("3","7","2","3","2","5","3","1") = "6"
    & skf21("3","7","2","3","2","5","4","1") = "6"
    & skf21("3","7","2","3","2","5","5","1") = "6"
    & skf21("3","7","2","3","2","5","6","1") = "6"
    & skf21("3","7","2","3","2","5","7","1") = "6"
    & skf21("3","7","2","3","2","6","1","1") = "6"
    & skf21("3","7","2","3","2","6","2","1") = "6"
    & skf21("3","7","2","3","2","6","3","1") = "6"
    & skf21("3","7","2","3","2","6","4","1") = "6"
    & skf21("3","7","2","3","2","6","5","1") = "6"
    & skf21("3","7","2","3","2","6","6","1") = "6"
    & skf21("3","7","2","3","2","6","7","1") = "6"
    & skf21("3","7","2","3","2","7","1","1") = "6"
    & skf21("3","7","2","3","2","7","2","1") = "6"
    & skf21("3","7","2","3","2","7","3","1") = "6"
    & skf21("3","7","2","3","2","7","4","1") = "6"
    & skf21("3","7","2","3","2","7","5","1") = "6"
    & skf21("3","7","2","3","2","7","6","1") = "6"
    & skf21("3","7","2","3","2","7","7","1") = "6"
    & skf21("3","7","2","3","3","1","1","1") = "6"
    & skf21("3","7","2","3","3","1","2","1") = "6"
    & skf21("3","7","2","3","3","1","3","1") = "6"
    & skf21("3","7","2","3","3","1","4","1") = "6"
    & skf21("3","7","2","3","3","1","5","1") = "6"
    & skf21("3","7","2","3","3","1","6","1") = "6"
    & skf21("3","7","2","3","3","1","7","1") = "6"
    & skf21("3","7","2","3","3","2","1","1") = "6"
    & skf21("3","7","2","3","3","2","2","1") = "6"
    & skf21("3","7","2","3","3","2","3","1") = "6"
    & skf21("3","7","2","3","3","2","4","1") = "6"
    & skf21("3","7","2","3","3","2","5","1") = "6"
    & skf21("3","7","2","3","3","2","6","1") = "6"
    & skf21("3","7","2","3","3","2","7","1") = "6"
    & skf21("3","7","2","3","3","3","1","1") = "6"
    & skf21("3","7","2","3","3","3","2","1") = "6"
    & skf21("3","7","2","3","3","3","3","1") = "6"
    & skf21("3","7","2","3","3","3","4","1") = "6"
    & skf21("3","7","2","3","3","3","5","1") = "6"
    & skf21("3","7","2","3","3","3","6","1") = "6"
    & skf21("3","7","2","3","3","3","7","1") = "6"
    & skf21("3","7","2","3","3","4","1","1") = "6"
    & skf21("3","7","2","3","3","4","2","1") = "6"
    & skf21("3","7","2","3","3","4","3","1") = "6"
    & skf21("3","7","2","3","3","4","4","1") = "6"
    & skf21("3","7","2","3","3","4","5","1") = "6"
    & skf21("3","7","2","3","3","4","6","1") = "6"
    & skf21("3","7","2","3","3","4","7","1") = "6"
    & skf21("3","7","2","3","3","5","1","1") = "6"
    & skf21("3","7","2","3","3","5","2","1") = "6"
    & skf21("3","7","2","3","3","5","3","1") = "6"
    & skf21("3","7","2","3","3","5","4","1") = "6"
    & skf21("3","7","2","3","3","5","5","1") = "6"
    & skf21("3","7","2","3","3","5","6","1") = "6"
    & skf21("3","7","2","3","3","5","7","1") = "6"
    & skf21("3","7","2","3","3","6","1","1") = "6"
    & skf21("3","7","2","3","3","6","2","1") = "6"
    & skf21("3","7","2","3","3","6","3","1") = "6"
    & skf21("3","7","2","3","3","6","4","1") = "6"
    & skf21("3","7","2","3","3","6","5","1") = "6"
    & skf21("3","7","2","3","3","6","6","1") = "6"
    & skf21("3","7","2","3","3","6","7","1") = "6"
    & skf21("3","7","2","3","3","7","1","1") = "6"
    & skf21("3","7","2","3","3","7","2","1") = "6"
    & skf21("3","7","2","3","3","7","3","1") = "6"
    & skf21("3","7","2","3","3","7","4","1") = "6"
    & skf21("3","7","2","3","3","7","5","1") = "6"
    & skf21("3","7","2","3","3","7","6","1") = "6"
    & skf21("3","7","2","3","3","7","7","1") = "6"
    & skf21("3","7","2","3","4","1","1","1") = "6"
    & skf21("3","7","2","3","4","1","2","1") = "6"
    & skf21("3","7","2","3","4","1","3","1") = "6"
    & skf21("3","7","2","3","4","1","4","1") = "6"
    & skf21("3","7","2","3","4","1","5","1") = "6"
    & skf21("3","7","2","3","4","1","6","1") = "6"
    & skf21("3","7","2","3","4","1","7","1") = "6"
    & skf21("3","7","2","3","4","2","1","1") = "6"
    & skf21("3","7","2","3","4","2","2","1") = "6"
    & skf21("3","7","2","3","4","2","3","1") = "6"
    & skf21("3","7","2","3","4","2","4","1") = "6"
    & skf21("3","7","2","3","4","2","5","1") = "6"
    & skf21("3","7","2","3","4","2","6","1") = "6"
    & skf21("3","7","2","3","4","2","7","1") = "6"
    & skf21("3","7","2","3","4","3","1","1") = "6"
    & skf21("3","7","2","3","4","3","2","1") = "6"
    & skf21("3","7","2","3","4","3","3","1") = "6"
    & skf21("3","7","2","3","4","3","4","1") = "6"
    & skf21("3","7","2","3","4","3","5","1") = "6"
    & skf21("3","7","2","3","4","3","6","1") = "6"
    & skf21("3","7","2","3","4","3","7","1") = "6"
    & skf21("3","7","2","3","4","4","1","1") = "6"
    & skf21("3","7","2","3","4","4","2","1") = "6"
    & skf21("3","7","2","3","4","4","3","1") = "6"
    & skf21("3","7","2","3","4","4","4","1") = "6"
    & skf21("3","7","2","3","4","4","5","1") = "6"
    & skf21("3","7","2","3","4","4","6","1") = "6"
    & skf21("3","7","2","3","4","4","7","1") = "6"
    & skf21("3","7","2","3","4","5","1","1") = "6"
    & skf21("3","7","2","3","4","5","2","1") = "6"
    & skf21("3","7","2","3","4","5","3","1") = "6"
    & skf21("3","7","2","3","4","5","4","1") = "6"
    & skf21("3","7","2","3","4","5","5","1") = "6"
    & skf21("3","7","2","3","4","5","6","1") = "6"
    & skf21("3","7","2","3","4","5","7","1") = "6"
    & skf21("3","7","2","3","4","6","1","1") = "6"
    & skf21("3","7","2","3","4","6","2","1") = "6"
    & skf21("3","7","2","3","4","6","3","1") = "6"
    & skf21("3","7","2","3","4","6","4","1") = "6"
    & skf21("3","7","2","3","4","6","5","1") = "6"
    & skf21("3","7","2","3","4","6","6","1") = "6"
    & skf21("3","7","2","3","4","6","7","1") = "6"
    & skf21("3","7","2","3","4","7","1","1") = "6"
    & skf21("3","7","2","3","4","7","2","1") = "6"
    & skf21("3","7","2","3","4","7","3","1") = "6"
    & skf21("3","7","2","3","4","7","4","1") = "6"
    & skf21("3","7","2","3","4","7","5","1") = "6"
    & skf21("3","7","2","3","4","7","6","1") = "6"
    & skf21("3","7","2","3","4","7","7","1") = "6"
    & skf21("3","7","2","3","5","1","1","1") = "6"
    & skf21("3","7","2","3","5","1","2","1") = "6"
    & skf21("3","7","2","3","5","1","3","1") = "6"
    & skf21("3","7","2","3","5","1","4","1") = "6"
    & skf21("3","7","2","3","5","1","5","1") = "6"
    & skf21("3","7","2","3","5","1","6","1") = "6"
    & skf21("3","7","2","3","5","1","7","1") = "6"
    & skf21("3","7","2","3","5","2","1","1") = "6"
    & skf21("3","7","2","3","5","2","2","1") = "6"
    & skf21("3","7","2","3","5","2","3","1") = "6"
    & skf21("3","7","2","3","5","2","4","1") = "6"
    & skf21("3","7","2","3","5","2","5","1") = "6"
    & skf21("3","7","2","3","5","2","6","1") = "6"
    & skf21("3","7","2","3","5","2","7","1") = "6"
    & skf21("3","7","2","3","5","3","1","1") = "6"
    & skf21("3","7","2","3","5","3","2","1") = "6"
    & skf21("3","7","2","3","5","3","3","1") = "6"
    & skf21("3","7","2","3","5","3","4","1") = "6"
    & skf21("3","7","2","3","5","3","5","1") = "6"
    & skf21("3","7","2","3","5","3","6","1") = "6"
    & skf21("3","7","2","3","5","3","7","1") = "6"
    & skf21("3","7","2","3","5","4","1","1") = "6"
    & skf21("3","7","2","3","5","4","2","1") = "6"
    & skf21("3","7","2","3","5","4","3","1") = "6"
    & skf21("3","7","2","3","5","4","4","1") = "6"
    & skf21("3","7","2","3","5","4","5","1") = "6"
    & skf21("3","7","2","3","5","4","6","1") = "6"
    & skf21("3","7","2","3","5","4","7","1") = "6"
    & skf21("3","7","2","3","5","5","1","1") = "6"
    & skf21("3","7","2","3","5","5","2","1") = "6"
    & skf21("3","7","2","3","5","5","3","1") = "6"
    & skf21("3","7","2","3","5","5","4","1") = "6"
    & skf21("3","7","2","3","5","5","5","1") = "6"
    & skf21("3","7","2","3","5","5","6","1") = "6"
    & skf21("3","7","2","3","5","5","7","1") = "6"
    & skf21("3","7","2","3","5","6","1","1") = "6"
    & skf21("3","7","2","3","5","6","2","1") = "6"
    & skf21("3","7","2","3","5","6","3","1") = "6"
    & skf21("3","7","2","3","5","6","4","1") = "6"
    & skf21("3","7","2","3","5","6","5","1") = "6"
    & skf21("3","7","2","3","5","6","6","1") = "6"
    & skf21("3","7","2","3","5","6","7","1") = "6"
    & skf21("3","7","2","3","5","7","1","1") = "6"
    & skf21("3","7","2","3","5","7","2","1") = "6"
    & skf21("3","7","2","3","5","7","3","1") = "6"
    & skf21("3","7","2","3","5","7","4","1") = "6"
    & skf21("3","7","2","3","5","7","5","1") = "6"
    & skf21("3","7","2","3","5","7","6","1") = "6"
    & skf21("3","7","2","3","5","7","7","1") = "6"
    & skf21("3","7","2","3","6","1","1","1") = "6"
    & skf21("3","7","2","3","6","1","2","1") = "6"
    & skf21("3","7","2","3","6","1","3","1") = "6"
    & skf21("3","7","2","3","6","1","4","1") = "6"
    & skf21("3","7","2","3","6","1","5","1") = "6"
    & skf21("3","7","2","3","6","1","6","1") = "6"
    & skf21("3","7","2","3","6","1","7","1") = "6"
    & skf21("3","7","2","3","6","2","1","1") = "6"
    & skf21("3","7","2","3","6","2","2","1") = "6"
    & skf21("3","7","2","3","6","2","3","1") = "6"
    & skf21("3","7","2","3","6","2","4","1") = "6"
    & skf21("3","7","2","3","6","2","5","1") = "6"
    & skf21("3","7","2","3","6","2","6","1") = "6"
    & skf21("3","7","2","3","6","2","7","1") = "6"
    & skf21("3","7","2","3","6","3","1","1") = "6"
    & skf21("3","7","2","3","6","3","2","1") = "6"
    & skf21("3","7","2","3","6","3","3","1") = "6"
    & skf21("3","7","2","3","6","3","4","1") = "6"
    & skf21("3","7","2","3","6","3","5","1") = "6"
    & skf21("3","7","2","3","6","3","6","1") = "6"
    & skf21("3","7","2","3","6","3","7","1") = "6"
    & skf21("3","7","2","3","6","4","1","1") = "6"
    & skf21("3","7","2","3","6","4","2","1") = "6"
    & skf21("3","7","2","3","6","4","3","1") = "6"
    & skf21("3","7","2","3","6","4","4","1") = "6"
    & skf21("3","7","2","3","6","4","5","1") = "6"
    & skf21("3","7","2","3","6","4","6","1") = "6"
    & skf21("3","7","2","3","6","4","7","1") = "6"
    & skf21("3","7","2","3","6","5","1","1") = "6"
    & skf21("3","7","2","3","6","5","2","1") = "6"
    & skf21("3","7","2","3","6","5","3","1") = "6"
    & skf21("3","7","2","3","6","5","4","1") = "6"
    & skf21("3","7","2","3","6","5","5","1") = "6"
    & skf21("3","7","2","3","6","5","6","1") = "6"
    & skf21("3","7","2","3","6","5","7","1") = "6"
    & skf21("3","7","2","3","6","6","1","1") = "6"
    & skf21("3","7","2","3","6","6","2","1") = "6"
    & skf21("3","7","2","3","6","6","3","1") = "6"
    & skf21("3","7","2","3","6","6","4","1") = "6"
    & skf21("3","7","2","3","6","6","5","1") = "6"
    & skf21("3","7","2","3","6","6","6","1") = "6"
    & skf21("3","7","2","3","6","6","7","1") = "6"
    & skf21("3","7","2","3","6","7","1","1") = "6"
    & skf21("3","7","2","3","6","7","2","1") = "6"
    & skf21("3","7","2","3","6","7","3","1") = "6"
    & skf21("3","7","2","3","6","7","4","1") = "6"
    & skf21("3","7","2","3","6","7","5","1") = "6"
    & skf21("3","7","2","3","6","7","6","1") = "6"
    & skf21("3","7","2","3","6","7","7","1") = "6"
    & skf21("3","7","2","3","7","1","1","1") = "6"
    & skf21("3","7","2","3","7","1","2","1") = "6"
    & skf21("3","7","2","3","7","1","3","1") = "6"
    & skf21("3","7","2","3","7","1","4","1") = "6"
    & skf21("3","7","2","3","7","1","5","1") = "6"
    & skf21("3","7","2","3","7","1","6","1") = "6"
    & skf21("3","7","2","3","7","1","7","1") = "6"
    & skf21("3","7","2","3","7","2","1","1") = "6"
    & skf21("3","7","2","3","7","2","2","1") = "6"
    & skf21("3","7","2","3","7","2","3","1") = "6"
    & skf21("3","7","2","3","7","2","4","1") = "6"
    & skf21("3","7","2","3","7","2","5","1") = "6"
    & skf21("3","7","2","3","7","2","6","1") = "6"
    & skf21("3","7","2","3","7","2","7","1") = "6"
    & skf21("3","7","2","3","7","3","1","1") = "6"
    & skf21("3","7","2","3","7","3","2","1") = "6"
    & skf21("3","7","2","3","7","3","3","1") = "6"
    & skf21("3","7","2","3","7","3","4","1") = "6"
    & skf21("3","7","2","3","7","3","5","1") = "6"
    & skf21("3","7","2","3","7","3","6","1") = "6"
    & skf21("3","7","2","3","7","3","7","1") = "6"
    & skf21("3","7","2","3","7","4","1","1") = "6"
    & skf21("3","7","2","3","7","4","2","1") = "6"
    & skf21("3","7","2","3","7","4","3","1") = "6"
    & skf21("3","7","2","3","7","4","4","1") = "6"
    & skf21("3","7","2","3","7","4","5","1") = "6"
    & skf21("3","7","2","3","7","4","6","1") = "6"
    & skf21("3","7","2","3","7","4","7","1") = "6"
    & skf21("3","7","2","3","7","5","1","1") = "6"
    & skf21("3","7","2","3","7","5","2","1") = "6"
    & skf21("3","7","2","3","7","5","3","1") = "6"
    & skf21("3","7","2","3","7","5","4","1") = "6"
    & skf21("3","7","2","3","7","5","5","1") = "6"
    & skf21("3","7","2","3","7","5","6","1") = "6"
    & skf21("3","7","2","3","7","5","7","1") = "6"
    & skf21("3","7","2","3","7","6","1","1") = "6"
    & skf21("3","7","2","3","7","6","2","1") = "6"
    & skf21("3","7","2","3","7","6","3","1") = "6"
    & skf21("3","7","2","3","7","6","4","1") = "6"
    & skf21("3","7","2","3","7","6","5","1") = "6"
    & skf21("3","7","2","3","7","6","6","1") = "6"
    & skf21("3","7","2","3","7","6","7","1") = "6"
    & skf21("3","7","2","3","7","7","1","1") = "6"
    & skf21("3","7","2","3","7","7","2","1") = "6"
    & skf21("3","7","2","3","7","7","3","1") = "6"
    & skf21("3","7","2","3","7","7","4","1") = "6"
    & skf21("3","7","2","3","7","7","5","1") = "6"
    & skf21("3","7","2","3","7","7","6","1") = "6"
    & skf21("3","7","2","3","7","7","7","1") = "6"
    & skf21("3","7","2","4","1","1","1","1") = "6"
    & skf21("3","7","2","4","1","1","2","1") = "6"
    & skf21("3","7","2","4","1","1","3","1") = "6"
    & skf21("3","7","2","4","1","1","4","1") = "6"
    & skf21("3","7","2","4","1","1","5","1") = "6"
    & skf21("3","7","2","4","1","1","6","1") = "6"
    & skf21("3","7","2","4","1","1","7","1") = "6"
    & skf21("3","7","2","4","1","2","1","1") = "6"
    & skf21("3","7","2","4","1","2","2","1") = "6"
    & skf21("3","7","2","4","1","2","3","1") = "6"
    & skf21("3","7","2","4","1","2","4","1") = "6"
    & skf21("3","7","2","4","1","2","5","1") = "6"
    & skf21("3","7","2","4","1","2","6","1") = "6"
    & skf21("3","7","2","4","1","2","7","1") = "6"
    & skf21("3","7","2","4","1","3","1","1") = "6"
    & skf21("3","7","2","4","1","3","2","1") = "6"
    & skf21("3","7","2","4","1","3","3","1") = "6"
    & skf21("3","7","2","4","1","3","4","1") = "6"
    & skf21("3","7","2","4","1","3","5","1") = "6"
    & skf21("3","7","2","4","1","3","6","1") = "6"
    & skf21("3","7","2","4","1","3","7","1") = "6"
    & skf21("3","7","2","4","1","4","1","1") = "6"
    & skf21("3","7","2","4","1","4","2","1") = "6"
    & skf21("3","7","2","4","1","4","3","1") = "6"
    & skf21("3","7","2","4","1","4","4","1") = "6"
    & skf21("3","7","2","4","1","4","5","1") = "6"
    & skf21("3","7","2","4","1","4","6","1") = "6"
    & skf21("3","7","2","4","1","4","7","1") = "6"
    & skf21("3","7","2","4","1","5","1","1") = "6"
    & skf21("3","7","2","4","1","5","2","1") = "6"
    & skf21("3","7","2","4","1","5","3","1") = "6"
    & skf21("3","7","2","4","1","5","4","1") = "6"
    & skf21("3","7","2","4","1","5","5","1") = "6"
    & skf21("3","7","2","4","1","5","6","1") = "6"
    & skf21("3","7","2","4","1","5","7","1") = "6"
    & skf21("3","7","2","4","1","6","1","1") = "6"
    & skf21("3","7","2","4","1","6","2","1") = "6"
    & skf21("3","7","2","4","1","6","3","1") = "6"
    & skf21("3","7","2","4","1","6","4","1") = "6"
    & skf21("3","7","2","4","1","6","5","1") = "6"
    & skf21("3","7","2","4","1","6","6","1") = "6"
    & skf21("3","7","2","4","1","6","7","1") = "6"
    & skf21("3","7","2","4","1","7","1","1") = "6"
    & skf21("3","7","2","4","1","7","2","1") = "6"
    & skf21("3","7","2","4","1","7","3","1") = "6"
    & skf21("3","7","2","4","1","7","4","1") = "6"
    & skf21("3","7","2","4","1","7","5","1") = "6"
    & skf21("3","7","2","4","1","7","6","1") = "6"
    & skf21("3","7","2","4","1","7","7","1") = "6"
    & skf21("3","7","2","4","2","1","1","1") = "6"
    & skf21("3","7","2","4","2","1","2","1") = "6"
    & skf21("3","7","2","4","2","1","3","1") = "6"
    & skf21("3","7","2","4","2","1","4","1") = "6"
    & skf21("3","7","2","4","2","1","5","1") = "6"
    & skf21("3","7","2","4","2","1","6","1") = "6"
    & skf21("3","7","2","4","2","1","7","1") = "6"
    & skf21("3","7","2","4","2","2","1","1") = "6"
    & skf21("3","7","2","4","2","2","2","1") = "6"
    & skf21("3","7","2","4","2","2","3","1") = "6"
    & skf21("3","7","2","4","2","2","4","1") = "6"
    & skf21("3","7","2","4","2","2","5","1") = "6"
    & skf21("3","7","2","4","2","2","6","1") = "6"
    & skf21("3","7","2","4","2","2","7","1") = "6"
    & skf21("3","7","2","4","2","3","1","1") = "6"
    & skf21("3","7","2","4","2","3","2","1") = "6"
    & skf21("3","7","2","4","2","3","3","1") = "6"
    & skf21("3","7","2","4","2","3","4","1") = "6"
    & skf21("3","7","2","4","2","3","5","1") = "6"
    & skf21("3","7","2","4","2","3","6","1") = "6"
    & skf21("3","7","2","4","2","3","7","1") = "6"
    & skf21("3","7","2","4","2","4","1","1") = "6"
    & skf21("3","7","2","4","2","4","2","1") = "6"
    & skf21("3","7","2","4","2","4","3","1") = "6"
    & skf21("3","7","2","4","2","4","4","1") = "6"
    & skf21("3","7","2","4","2","4","5","1") = "6"
    & skf21("3","7","2","4","2","4","6","1") = "6"
    & skf21("3","7","2","4","2","4","7","1") = "6"
    & skf21("3","7","2","4","2","5","1","1") = "6"
    & skf21("3","7","2","4","2","5","2","1") = "6"
    & skf21("3","7","2","4","2","5","3","1") = "6"
    & skf21("3","7","2","4","2","5","4","1") = "6"
    & skf21("3","7","2","4","2","5","5","1") = "6"
    & skf21("3","7","2","4","2","5","6","1") = "6"
    & skf21("3","7","2","4","2","5","7","1") = "6"
    & skf21("3","7","2","4","2","6","1","1") = "6"
    & skf21("3","7","2","4","2","6","2","1") = "6"
    & skf21("3","7","2","4","2","6","3","1") = "6"
    & skf21("3","7","2","4","2","6","4","1") = "6"
    & skf21("3","7","2","4","2","6","5","1") = "6"
    & skf21("3","7","2","4","2","6","6","1") = "6"
    & skf21("3","7","2","4","2","6","7","1") = "6"
    & skf21("3","7","2","4","2","7","1","1") = "6"
    & skf21("3","7","2","4","2","7","2","1") = "6"
    & skf21("3","7","2","4","2","7","3","1") = "6"
    & skf21("3","7","2","4","2","7","4","1") = "6"
    & skf21("3","7","2","4","2","7","5","1") = "6"
    & skf21("3","7","2","4","2","7","6","1") = "6"
    & skf21("3","7","2","4","2","7","7","1") = "6"
    & skf21("3","7","2","4","3","1","1","1") = "6"
    & skf21("3","7","2","4","3","1","2","1") = "6"
    & skf21("3","7","2","4","3","1","3","1") = "6"
    & skf21("3","7","2","4","3","1","4","1") = "6"
    & skf21("3","7","2","4","3","1","5","1") = "6"
    & skf21("3","7","2","4","3","1","6","1") = "6"
    & skf21("3","7","2","4","3","1","7","1") = "6"
    & skf21("3","7","2","4","3","2","1","1") = "6"
    & skf21("3","7","2","4","3","2","2","1") = "6"
    & skf21("3","7","2","4","3","2","3","1") = "6"
    & skf21("3","7","2","4","3","2","4","1") = "6"
    & skf21("3","7","2","4","3","2","5","1") = "6"
    & skf21("3","7","2","4","3","2","6","1") = "6"
    & skf21("3","7","2","4","3","2","7","1") = "6"
    & skf21("3","7","2","4","3","3","1","1") = "6"
    & skf21("3","7","2","4","3","3","2","1") = "6"
    & skf21("3","7","2","4","3","3","3","1") = "6"
    & skf21("3","7","2","4","3","3","4","1") = "6"
    & skf21("3","7","2","4","3","3","5","1") = "6"
    & skf21("3","7","2","4","3","3","6","1") = "6"
    & skf21("3","7","2","4","3","3","7","1") = "6"
    & skf21("3","7","2","4","3","4","1","1") = "6"
    & skf21("3","7","2","4","3","4","2","1") = "6"
    & skf21("3","7","2","4","3","4","3","1") = "6"
    & skf21("3","7","2","4","3","4","4","1") = "6"
    & skf21("3","7","2","4","3","4","5","1") = "6"
    & skf21("3","7","2","4","3","4","6","1") = "6"
    & skf21("3","7","2","4","3","4","7","1") = "6"
    & skf21("3","7","2","4","3","5","1","1") = "6"
    & skf21("3","7","2","4","3","5","2","1") = "6"
    & skf21("3","7","2","4","3","5","3","1") = "6"
    & skf21("3","7","2","4","3","5","4","1") = "6"
    & skf21("3","7","2","4","3","5","5","1") = "6"
    & skf21("3","7","2","4","3","5","6","1") = "6"
    & skf21("3","7","2","4","3","5","7","1") = "6"
    & skf21("3","7","2","4","3","6","1","1") = "6"
    & skf21("3","7","2","4","3","6","2","1") = "6"
    & skf21("3","7","2","4","3","6","3","1") = "6"
    & skf21("3","7","2","4","3","6","4","1") = "6"
    & skf21("3","7","2","4","3","6","5","1") = "6"
    & skf21("3","7","2","4","3","6","6","1") = "6"
    & skf21("3","7","2","4","3","6","7","1") = "6"
    & skf21("3","7","2","4","3","7","1","1") = "6"
    & skf21("3","7","2","4","3","7","2","1") = "6"
    & skf21("3","7","2","4","3","7","3","1") = "6"
    & skf21("3","7","2","4","3","7","4","1") = "6"
    & skf21("3","7","2","4","3","7","5","1") = "6"
    & skf21("3","7","2","4","3","7","6","1") = "6"
    & skf21("3","7","2","4","3","7","7","1") = "6"
    & skf21("3","7","2","4","4","1","1","1") = "6"
    & skf21("3","7","2","4","4","1","2","1") = "6"
    & skf21("3","7","2","4","4","1","3","1") = "6"
    & skf21("3","7","2","4","4","1","4","1") = "6"
    & skf21("3","7","2","4","4","1","5","1") = "6"
    & skf21("3","7","2","4","4","1","6","1") = "6"
    & skf21("3","7","2","4","4","1","7","1") = "6"
    & skf21("3","7","2","4","4","2","1","1") = "6"
    & skf21("3","7","2","4","4","2","2","1") = "6"
    & skf21("3","7","2","4","4","2","3","1") = "6"
    & skf21("3","7","2","4","4","2","4","1") = "6"
    & skf21("3","7","2","4","4","2","5","1") = "6"
    & skf21("3","7","2","4","4","2","6","1") = "6"
    & skf21("3","7","2","4","4","2","7","1") = "6"
    & skf21("3","7","2","4","4","3","1","1") = "6"
    & skf21("3","7","2","4","4","3","2","1") = "6"
    & skf21("3","7","2","4","4","3","3","1") = "6"
    & skf21("3","7","2","4","4","3","4","1") = "6"
    & skf21("3","7","2","4","4","3","5","1") = "6"
    & skf21("3","7","2","4","4","3","6","1") = "6"
    & skf21("3","7","2","4","4","3","7","1") = "6"
    & skf21("3","7","2","4","4","4","1","1") = "6"
    & skf21("3","7","2","4","4","4","2","1") = "6"
    & skf21("3","7","2","4","4","4","3","1") = "6"
    & skf21("3","7","2","4","4","4","4","1") = "6"
    & skf21("3","7","2","4","4","4","5","1") = "6"
    & skf21("3","7","2","4","4","4","6","1") = "6"
    & skf21("3","7","2","4","4","4","7","1") = "6"
    & skf21("3","7","2","4","4","5","1","1") = "6"
    & skf21("3","7","2","4","4","5","2","1") = "6"
    & skf21("3","7","2","4","4","5","3","1") = "6"
    & skf21("3","7","2","4","4","5","4","1") = "6"
    & skf21("3","7","2","4","4","5","5","1") = "6"
    & skf21("3","7","2","4","4","5","6","1") = "6"
    & skf21("3","7","2","4","4","5","7","1") = "6"
    & skf21("3","7","2","4","4","6","1","1") = "6"
    & skf21("3","7","2","4","4","6","2","1") = "6"
    & skf21("3","7","2","4","4","6","3","1") = "6"
    & skf21("3","7","2","4","4","6","4","1") = "6"
    & skf21("3","7","2","4","4","6","5","1") = "6"
    & skf21("3","7","2","4","4","6","6","1") = "6"
    & skf21("3","7","2","4","4","6","7","1") = "6"
    & skf21("3","7","2","4","4","7","1","1") = "6"
    & skf21("3","7","2","4","4","7","2","1") = "6"
    & skf21("3","7","2","4","4","7","3","1") = "6"
    & skf21("3","7","2","4","4","7","4","1") = "6"
    & skf21("3","7","2","4","4","7","5","1") = "6"
    & skf21("3","7","2","4","4","7","6","1") = "6"
    & skf21("3","7","2","4","4","7","7","1") = "6"
    & skf21("3","7","2","4","5","1","1","1") = "6"
    & skf21("3","7","2","4","5","1","2","1") = "6"
    & skf21("3","7","2","4","5","1","3","1") = "6"
    & skf21("3","7","2","4","5","1","4","1") = "6"
    & skf21("3","7","2","4","5","1","5","1") = "6"
    & skf21("3","7","2","4","5","1","6","1") = "6"
    & skf21("3","7","2","4","5","1","7","1") = "6"
    & skf21("3","7","2","4","5","2","1","1") = "6"
    & skf21("3","7","2","4","5","2","2","1") = "6"
    & skf21("3","7","2","4","5","2","3","1") = "6"
    & skf21("3","7","2","4","5","2","4","1") = "6"
    & skf21("3","7","2","4","5","2","5","1") = "6"
    & skf21("3","7","2","4","5","2","6","1") = "6"
    & skf21("3","7","2","4","5","2","7","1") = "6"
    & skf21("3","7","2","4","5","3","1","1") = "6"
    & skf21("3","7","2","4","5","3","2","1") = "6"
    & skf21("3","7","2","4","5","3","3","1") = "6"
    & skf21("3","7","2","4","5","3","4","1") = "6"
    & skf21("3","7","2","4","5","3","5","1") = "6"
    & skf21("3","7","2","4","5","3","6","1") = "6"
    & skf21("3","7","2","4","5","3","7","1") = "6"
    & skf21("3","7","2","4","5","4","1","1") = "6"
    & skf21("3","7","2","4","5","4","2","1") = "6"
    & skf21("3","7","2","4","5","4","3","1") = "6"
    & skf21("3","7","2","4","5","4","4","1") = "6"
    & skf21("3","7","2","4","5","4","5","1") = "6"
    & skf21("3","7","2","4","5","4","6","1") = "6"
    & skf21("3","7","2","4","5","4","7","1") = "6"
    & skf21("3","7","2","4","5","5","1","1") = "6"
    & skf21("3","7","2","4","5","5","2","1") = "6"
    & skf21("3","7","2","4","5","5","3","1") = "6"
    & skf21("3","7","2","4","5","5","4","1") = "6"
    & skf21("3","7","2","4","5","5","5","1") = "6"
    & skf21("3","7","2","4","5","5","6","1") = "6"
    & skf21("3","7","2","4","5","5","7","1") = "6"
    & skf21("3","7","2","4","5","6","1","1") = "6"
    & skf21("3","7","2","4","5","6","2","1") = "6"
    & skf21("3","7","2","4","5","6","3","1") = "6"
    & skf21("3","7","2","4","5","6","4","1") = "6"
    & skf21("3","7","2","4","5","6","5","1") = "6"
    & skf21("3","7","2","4","5","6","6","1") = "6"
    & skf21("3","7","2","4","5","6","7","1") = "6"
    & skf21("3","7","2","4","5","7","1","1") = "6"
    & skf21("3","7","2","4","5","7","2","1") = "6"
    & skf21("3","7","2","4","5","7","3","1") = "6"
    & skf21("3","7","2","4","5","7","4","1") = "6"
    & skf21("3","7","2","4","5","7","5","1") = "6"
    & skf21("3","7","2","4","5","7","6","1") = "6"
    & skf21("3","7","2","4","5","7","7","1") = "6"
    & skf21("3","7","2","4","6","1","1","1") = "6"
    & skf21("3","7","2","4","6","1","2","1") = "6"
    & skf21("3","7","2","4","6","1","3","1") = "6"
    & skf21("3","7","2","4","6","1","4","1") = "6"
    & skf21("3","7","2","4","6","1","5","1") = "6"
    & skf21("3","7","2","4","6","1","6","1") = "6"
    & skf21("3","7","2","4","6","1","7","1") = "6"
    & skf21("3","7","2","4","6","2","1","1") = "6"
    & skf21("3","7","2","4","6","2","2","1") = "6"
    & skf21("3","7","2","4","6","2","3","1") = "6"
    & skf21("3","7","2","4","6","2","4","1") = "6"
    & skf21("3","7","2","4","6","2","5","1") = "6"
    & skf21("3","7","2","4","6","2","6","1") = "6"
    & skf21("3","7","2","4","6","2","7","1") = "6"
    & skf21("3","7","2","4","6","3","1","1") = "6"
    & skf21("3","7","2","4","6","3","2","1") = "6"
    & skf21("3","7","2","4","6","3","3","1") = "6"
    & skf21("3","7","2","4","6","3","4","1") = "6"
    & skf21("3","7","2","4","6","3","5","1") = "6"
    & skf21("3","7","2","4","6","3","6","1") = "6"
    & skf21("3","7","2","4","6","3","7","1") = "6"
    & skf21("3","7","2","4","6","4","1","1") = "6"
    & skf21("3","7","2","4","6","4","2","1") = "6"
    & skf21("3","7","2","4","6","4","3","1") = "6"
    & skf21("3","7","2","4","6","4","4","1") = "6"
    & skf21("3","7","2","4","6","4","5","1") = "6"
    & skf21("3","7","2","4","6","4","6","1") = "6"
    & skf21("3","7","2","4","6","4","7","1") = "6"
    & skf21("3","7","2","4","6","5","1","1") = "6"
    & skf21("3","7","2","4","6","5","2","1") = "6"
    & skf21("3","7","2","4","6","5","3","1") = "6"
    & skf21("3","7","2","4","6","5","4","1") = "6"
    & skf21("3","7","2","4","6","5","5","1") = "6"
    & skf21("3","7","2","4","6","5","6","1") = "6"
    & skf21("3","7","2","4","6","5","7","1") = "6"
    & skf21("3","7","2","4","6","6","1","1") = "6"
    & skf21("3","7","2","4","6","6","2","1") = "6"
    & skf21("3","7","2","4","6","6","3","1") = "6"
    & skf21("3","7","2","4","6","6","4","1") = "6"
    & skf21("3","7","2","4","6","6","5","1") = "6"
    & skf21("3","7","2","4","6","6","6","1") = "6"
    & skf21("3","7","2","4","6","6","7","1") = "6"
    & skf21("3","7","2","4","6","7","1","1") = "6"
    & skf21("3","7","2","4","6","7","2","1") = "6"
    & skf21("3","7","2","4","6","7","3","1") = "6"
    & skf21("3","7","2","4","6","7","4","1") = "6"
    & skf21("3","7","2","4","6","7","5","1") = "6"
    & skf21("3","7","2","4","6","7","6","1") = "6"
    & skf21("3","7","2","4","6","7","7","1") = "6"
    & skf21("3","7","2","4","7","1","1","1") = "6"
    & skf21("3","7","2","4","7","1","2","1") = "6"
    & skf21("3","7","2","4","7","1","3","1") = "6"
    & skf21("3","7","2","4","7","1","4","1") = "6"
    & skf21("3","7","2","4","7","1","5","1") = "6"
    & skf21("3","7","2","4","7","1","6","1") = "6"
    & skf21("3","7","2","4","7","1","7","1") = "6"
    & skf21("3","7","2","4","7","2","1","1") = "6"
    & skf21("3","7","2","4","7","2","2","1") = "6"
    & skf21("3","7","2","4","7","2","3","1") = "6"
    & skf21("3","7","2","4","7","2","4","1") = "6"
    & skf21("3","7","2","4","7","2","5","1") = "6"
    & skf21("3","7","2","4","7","2","6","1") = "6"
    & skf21("3","7","2","4","7","2","7","1") = "6"
    & skf21("3","7","2","4","7","3","1","1") = "6"
    & skf21("3","7","2","4","7","3","2","1") = "6"
    & skf21("3","7","2","4","7","3","3","1") = "6"
    & skf21("3","7","2","4","7","3","4","1") = "6"
    & skf21("3","7","2","4","7","3","5","1") = "6"
    & skf21("3","7","2","4","7","3","6","1") = "6"
    & skf21("3","7","2","4","7","3","7","1") = "6"
    & skf21("3","7","2","4","7","4","1","1") = "6"
    & skf21("3","7","2","4","7","4","2","1") = "6"
    & skf21("3","7","2","4","7","4","3","1") = "6"
    & skf21("3","7","2","4","7","4","4","1") = "6"
    & skf21("3","7","2","4","7","4","5","1") = "6"
    & skf21("3","7","2","4","7","4","6","1") = "6"
    & skf21("3","7","2","4","7","4","7","1") = "6"
    & skf21("3","7","2","4","7","5","1","1") = "6"
    & skf21("3","7","2","4","7","5","2","1") = "6"
    & skf21("3","7","2","4","7","5","3","1") = "6"
    & skf21("3","7","2","4","7","5","4","1") = "6"
    & skf21("3","7","2","4","7","5","5","1") = "6"
    & skf21("3","7","2","4","7","5","6","1") = "6"
    & skf21("3","7","2","4","7","5","7","1") = "6"
    & skf21("3","7","2","4","7","6","1","1") = "6"
    & skf21("3","7","2","4","7","6","2","1") = "6"
    & skf21("3","7","2","4","7","6","3","1") = "6"
    & skf21("3","7","2","4","7","6","4","1") = "6"
    & skf21("3","7","2","4","7","6","5","1") = "6"
    & skf21("3","7","2","4","7","6","6","1") = "6"
    & skf21("3","7","2","4","7","6","7","1") = "6"
    & skf21("3","7","2","4","7","7","1","1") = "6"
    & skf21("3","7","2","4","7","7","2","1") = "6"
    & skf21("3","7","2","4","7","7","3","1") = "6"
    & skf21("3","7","2","4","7","7","4","1") = "6"
    & skf21("3","7","2","4","7","7","5","1") = "6"
    & skf21("3","7","2","4","7","7","6","1") = "6"
    & skf21("3","7","2","4","7","7","7","1") = "6"
    & skf21("3","7","2","5","1","1","1","1") = "6"
    & skf21("3","7","2","5","1","1","2","1") = "6"
    & skf21("3","7","2","5","1","1","3","1") = "6"
    & skf21("3","7","2","5","1","1","4","1") = "6"
    & skf21("3","7","2","5","1","1","5","1") = "6"
    & skf21("3","7","2","5","1","1","6","1") = "6"
    & skf21("3","7","2","5","1","1","7","1") = "6"
    & skf21("3","7","2","5","1","2","1","1") = "6"
    & skf21("3","7","2","5","1","2","2","1") = "6"
    & skf21("3","7","2","5","1","2","3","1") = "6"
    & skf21("3","7","2","5","1","2","4","1") = "6"
    & skf21("3","7","2","5","1","2","5","1") = "6"
    & skf21("3","7","2","5","1","2","6","1") = "6"
    & skf21("3","7","2","5","1","2","7","1") = "6"
    & skf21("3","7","2","5","1","3","1","1") = "6"
    & skf21("3","7","2","5","1","3","2","1") = "6"
    & skf21("3","7","2","5","1","3","3","1") = "6"
    & skf21("3","7","2","5","1","3","4","1") = "6"
    & skf21("3","7","2","5","1","3","5","1") = "6"
    & skf21("3","7","2","5","1","3","6","1") = "6"
    & skf21("3","7","2","5","1","3","7","1") = "6"
    & skf21("3","7","2","5","1","4","1","1") = "6"
    & skf21("3","7","2","5","1","4","2","1") = "6"
    & skf21("3","7","2","5","1","4","3","1") = "6"
    & skf21("3","7","2","5","1","4","4","1") = "6"
    & skf21("3","7","2","5","1","4","5","1") = "6"
    & skf21("3","7","2","5","1","4","6","1") = "6"
    & skf21("3","7","2","5","1","4","7","1") = "6"
    & skf21("3","7","2","5","1","5","1","1") = "6"
    & skf21("3","7","2","5","1","5","2","1") = "6"
    & skf21("3","7","2","5","1","5","3","1") = "6"
    & skf21("3","7","2","5","1","5","4","1") = "6"
    & skf21("3","7","2","5","1","5","5","1") = "6"
    & skf21("3","7","2","5","1","5","6","1") = "6"
    & skf21("3","7","2","5","1","5","7","1") = "6"
    & skf21("3","7","2","5","1","6","1","1") = "6"
    & skf21("3","7","2","5","1","6","2","1") = "6"
    & skf21("3","7","2","5","1","6","3","1") = "6"
    & skf21("3","7","2","5","1","6","4","1") = "6"
    & skf21("3","7","2","5","1","6","5","1") = "6"
    & skf21("3","7","2","5","1","6","6","1") = "6"
    & skf21("3","7","2","5","1","6","7","1") = "6"
    & skf21("3","7","2","5","1","7","1","1") = "6"
    & skf21("3","7","2","5","1","7","2","1") = "6"
    & skf21("3","7","2","5","1","7","3","1") = "6"
    & skf21("3","7","2","5","1","7","4","1") = "6"
    & skf21("3","7","2","5","1","7","5","1") = "6"
    & skf21("3","7","2","5","1","7","6","1") = "6"
    & skf21("3","7","2","5","1","7","7","1") = "6"
    & skf21("3","7","2","5","2","1","1","1") = "6"
    & skf21("3","7","2","5","2","1","2","1") = "6"
    & skf21("3","7","2","5","2","1","3","1") = "6"
    & skf21("3","7","2","5","2","1","4","1") = "6"
    & skf21("3","7","2","5","2","1","5","1") = "6"
    & skf21("3","7","2","5","2","1","6","1") = "6"
    & skf21("3","7","2","5","2","1","7","1") = "6"
    & skf21("3","7","2","5","2","2","1","1") = "6"
    & skf21("3","7","2","5","2","2","2","1") = "6"
    & skf21("3","7","2","5","2","2","3","1") = "6"
    & skf21("3","7","2","5","2","2","4","1") = "6"
    & skf21("3","7","2","5","2","2","5","1") = "6"
    & skf21("3","7","2","5","2","2","6","1") = "6"
    & skf21("3","7","2","5","2","2","7","1") = "6"
    & skf21("3","7","2","5","2","3","1","1") = "6"
    & skf21("3","7","2","5","2","3","2","1") = "6"
    & skf21("3","7","2","5","2","3","3","1") = "6"
    & skf21("3","7","2","5","2","3","4","1") = "6"
    & skf21("3","7","2","5","2","3","5","1") = "6"
    & skf21("3","7","2","5","2","3","6","1") = "6"
    & skf21("3","7","2","5","2","3","7","1") = "6"
    & skf21("3","7","2","5","2","4","1","1") = "6"
    & skf21("3","7","2","5","2","4","2","1") = "6"
    & skf21("3","7","2","5","2","4","3","1") = "6"
    & skf21("3","7","2","5","2","4","4","1") = "6"
    & skf21("3","7","2","5","2","4","5","1") = "6"
    & skf21("3","7","2","5","2","4","6","1") = "6"
    & skf21("3","7","2","5","2","4","7","1") = "6"
    & skf21("3","7","2","5","2","5","1","1") = "6"
    & skf21("3","7","2","5","2","5","2","1") = "6"
    & skf21("3","7","2","5","2","5","3","1") = "6"
    & skf21("3","7","2","5","2","5","4","1") = "6"
    & skf21("3","7","2","5","2","5","5","1") = "6"
    & skf21("3","7","2","5","2","5","6","1") = "6"
    & skf21("3","7","2","5","2","5","7","1") = "6"
    & skf21("3","7","2","5","2","6","1","1") = "6"
    & skf21("3","7","2","5","2","6","2","1") = "6"
    & skf21("3","7","2","5","2","6","3","1") = "6"
    & skf21("3","7","2","5","2","6","4","1") = "6"
    & skf21("3","7","2","5","2","6","5","1") = "6"
    & skf21("3","7","2","5","2","6","6","1") = "6"
    & skf21("3","7","2","5","2","6","7","1") = "6"
    & skf21("3","7","2","5","2","7","1","1") = "6"
    & skf21("3","7","2","5","2","7","2","1") = "6"
    & skf21("3","7","2","5","2","7","3","1") = "6"
    & skf21("3","7","2","5","2","7","4","1") = "6"
    & skf21("3","7","2","5","2","7","5","1") = "6"
    & skf21("3","7","2","5","2","7","6","1") = "6"
    & skf21("3","7","2","5","2","7","7","1") = "6"
    & skf21("3","7","2","5","3","1","1","1") = "6"
    & skf21("3","7","2","5","3","1","2","1") = "6"
    & skf21("3","7","2","5","3","1","3","1") = "6"
    & skf21("3","7","2","5","3","1","4","1") = "6"
    & skf21("3","7","2","5","3","1","5","1") = "6"
    & skf21("3","7","2","5","3","1","6","1") = "6"
    & skf21("3","7","2","5","3","1","7","1") = "6"
    & skf21("3","7","2","5","3","2","1","1") = "6"
    & skf21("3","7","2","5","3","2","2","1") = "6"
    & skf21("3","7","2","5","3","2","3","1") = "6"
    & skf21("3","7","2","5","3","2","4","1") = "6"
    & skf21("3","7","2","5","3","2","5","1") = "6"
    & skf21("3","7","2","5","3","2","6","1") = "6"
    & skf21("3","7","2","5","3","2","7","1") = "6"
    & skf21("3","7","2","5","3","3","1","1") = "6"
    & skf21("3","7","2","5","3","3","2","1") = "6"
    & skf21("3","7","2","5","3","3","3","1") = "6"
    & skf21("3","7","2","5","3","3","4","1") = "6"
    & skf21("3","7","2","5","3","3","5","1") = "6"
    & skf21("3","7","2","5","3","3","6","1") = "6"
    & skf21("3","7","2","5","3","3","7","1") = "6"
    & skf21("3","7","2","5","3","4","1","1") = "6"
    & skf21("3","7","2","5","3","4","2","1") = "6"
    & skf21("3","7","2","5","3","4","3","1") = "6"
    & skf21("3","7","2","5","3","4","4","1") = "6"
    & skf21("3","7","2","5","3","4","5","1") = "6"
    & skf21("3","7","2","5","3","4","6","1") = "6"
    & skf21("3","7","2","5","3","4","7","1") = "6"
    & skf21("3","7","2","5","3","5","1","1") = "6"
    & skf21("3","7","2","5","3","5","2","1") = "6"
    & skf21("3","7","2","5","3","5","3","1") = "6"
    & skf21("3","7","2","5","3","5","4","1") = "6"
    & skf21("3","7","2","5","3","5","5","1") = "6"
    & skf21("3","7","2","5","3","5","6","1") = "6"
    & skf21("3","7","2","5","3","5","7","1") = "6"
    & skf21("3","7","2","5","3","6","1","1") = "6"
    & skf21("3","7","2","5","3","6","2","1") = "6"
    & skf21("3","7","2","5","3","6","3","1") = "6"
    & skf21("3","7","2","5","3","6","4","1") = "6"
    & skf21("3","7","2","5","3","6","5","1") = "6"
    & skf21("3","7","2","5","3","6","6","1") = "6"
    & skf21("3","7","2","5","3","6","7","1") = "6"
    & skf21("3","7","2","5","3","7","1","1") = "6"
    & skf21("3","7","2","5","3","7","2","1") = "6"
    & skf21("3","7","2","5","3","7","3","1") = "6"
    & skf21("3","7","2","5","3","7","4","1") = "6"
    & skf21("3","7","2","5","3","7","5","1") = "6"
    & skf21("3","7","2","5","3","7","6","1") = "6"
    & skf21("3","7","2","5","3","7","7","1") = "6"
    & skf21("3","7","2","5","4","1","1","1") = "6"
    & skf21("3","7","2","5","4","1","2","1") = "6"
    & skf21("3","7","2","5","4","1","3","1") = "6"
    & skf21("3","7","2","5","4","1","4","1") = "6"
    & skf21("3","7","2","5","4","1","5","1") = "6"
    & skf21("3","7","2","5","4","1","6","1") = "6"
    & skf21("3","7","2","5","4","1","7","1") = "6"
    & skf21("3","7","2","5","4","2","1","1") = "6"
    & skf21("3","7","2","5","4","2","2","1") = "6"
    & skf21("3","7","2","5","4","2","3","1") = "6"
    & skf21("3","7","2","5","4","2","4","1") = "6"
    & skf21("3","7","2","5","4","2","5","1") = "6"
    & skf21("3","7","2","5","4","2","6","1") = "6"
    & skf21("3","7","2","5","4","2","7","1") = "6"
    & skf21("3","7","2","5","4","3","1","1") = "6"
    & skf21("3","7","2","5","4","3","2","1") = "6"
    & skf21("3","7","2","5","4","3","3","1") = "6"
    & skf21("3","7","2","5","4","3","4","1") = "6"
    & skf21("3","7","2","5","4","3","5","1") = "6"
    & skf21("3","7","2","5","4","3","6","1") = "6"
    & skf21("3","7","2","5","4","3","7","1") = "6"
    & skf21("3","7","2","5","4","4","1","1") = "6"
    & skf21("3","7","2","5","4","4","2","1") = "6"
    & skf21("3","7","2","5","4","4","3","1") = "6"
    & skf21("3","7","2","5","4","4","4","1") = "6"
    & skf21("3","7","2","5","4","4","5","1") = "6"
    & skf21("3","7","2","5","4","4","6","1") = "6"
    & skf21("3","7","2","5","4","4","7","1") = "6"
    & skf21("3","7","2","5","4","5","1","1") = "6"
    & skf21("3","7","2","5","4","5","2","1") = "6"
    & skf21("3","7","2","5","4","5","3","1") = "6"
    & skf21("3","7","2","5","4","5","4","1") = "6"
    & skf21("3","7","2","5","4","5","5","1") = "6"
    & skf21("3","7","2","5","4","5","6","1") = "6"
    & skf21("3","7","2","5","4","5","7","1") = "6"
    & skf21("3","7","2","5","4","6","1","1") = "6"
    & skf21("3","7","2","5","4","6","2","1") = "6"
    & skf21("3","7","2","5","4","6","3","1") = "6"
    & skf21("3","7","2","5","4","6","4","1") = "6"
    & skf21("3","7","2","5","4","6","5","1") = "6"
    & skf21("3","7","2","5","4","6","6","1") = "6"
    & skf21("3","7","2","5","4","6","7","1") = "6"
    & skf21("3","7","2","5","4","7","1","1") = "6"
    & skf21("3","7","2","5","4","7","2","1") = "6"
    & skf21("3","7","2","5","4","7","3","1") = "6"
    & skf21("3","7","2","5","4","7","4","1") = "6"
    & skf21("3","7","2","5","4","7","5","1") = "6"
    & skf21("3","7","2","5","4","7","6","1") = "6"
    & skf21("3","7","2","5","4","7","7","1") = "6"
    & skf21("3","7","2","5","5","1","1","1") = "6"
    & skf21("3","7","2","5","5","1","2","1") = "6"
    & skf21("3","7","2","5","5","1","3","1") = "6"
    & skf21("3","7","2","5","5","1","4","1") = "6"
    & skf21("3","7","2","5","5","1","5","1") = "6"
    & skf21("3","7","2","5","5","1","6","1") = "6"
    & skf21("3","7","2","5","5","1","7","1") = "6"
    & skf21("3","7","2","5","5","2","1","1") = "6"
    & skf21("3","7","2","5","5","2","2","1") = "6"
    & skf21("3","7","2","5","5","2","3","1") = "6"
    & skf21("3","7","2","5","5","2","4","1") = "6"
    & skf21("3","7","2","5","5","2","5","1") = "6"
    & skf21("3","7","2","5","5","2","6","1") = "6"
    & skf21("3","7","2","5","5","2","7","1") = "6"
    & skf21("3","7","2","5","5","3","1","1") = "6"
    & skf21("3","7","2","5","5","3","2","1") = "6"
    & skf21("3","7","2","5","5","3","3","1") = "6"
    & skf21("3","7","2","5","5","3","4","1") = "6"
    & skf21("3","7","2","5","5","3","5","1") = "6"
    & skf21("3","7","2","5","5","3","6","1") = "6"
    & skf21("3","7","2","5","5","3","7","1") = "6"
    & skf21("3","7","2","5","5","4","1","1") = "6"
    & skf21("3","7","2","5","5","4","2","1") = "6"
    & skf21("3","7","2","5","5","4","3","1") = "6"
    & skf21("3","7","2","5","5","4","4","1") = "6"
    & skf21("3","7","2","5","5","4","5","1") = "6"
    & skf21("3","7","2","5","5","4","6","1") = "6"
    & skf21("3","7","2","5","5","4","7","1") = "6"
    & skf21("3","7","2","5","5","5","1","1") = "6"
    & skf21("3","7","2","5","5","5","2","1") = "6"
    & skf21("3","7","2","5","5","5","3","1") = "6"
    & skf21("3","7","2","5","5","5","4","1") = "6"
    & skf21("3","7","2","5","5","5","5","1") = "6"
    & skf21("3","7","2","5","5","5","6","1") = "6"
    & skf21("3","7","2","5","5","5","7","1") = "6"
    & skf21("3","7","2","5","5","6","1","1") = "6"
    & skf21("3","7","2","5","5","6","2","1") = "6"
    & skf21("3","7","2","5","5","6","3","1") = "6"
    & skf21("3","7","2","5","5","6","4","1") = "6"
    & skf21("3","7","2","5","5","6","5","1") = "6"
    & skf21("3","7","2","5","5","6","6","1") = "6"
    & skf21("3","7","2","5","5","6","7","1") = "6"
    & skf21("3","7","2","5","5","7","1","1") = "6"
    & skf21("3","7","2","5","5","7","2","1") = "6"
    & skf21("3","7","2","5","5","7","3","1") = "6"
    & skf21("3","7","2","5","5","7","4","1") = "6"
    & skf21("3","7","2","5","5","7","5","1") = "6"
    & skf21("3","7","2","5","5","7","6","1") = "6"
    & skf21("3","7","2","5","5","7","7","1") = "6"
    & skf21("3","7","2","5","6","1","1","1") = "6"
    & skf21("3","7","2","5","6","1","2","1") = "6"
    & skf21("3","7","2","5","6","1","3","1") = "6"
    & skf21("3","7","2","5","6","1","4","1") = "6"
    & skf21("3","7","2","5","6","1","5","1") = "6"
    & skf21("3","7","2","5","6","1","6","1") = "6"
    & skf21("3","7","2","5","6","1","7","1") = "6"
    & skf21("3","7","2","5","6","2","1","1") = "6"
    & skf21("3","7","2","5","6","2","2","1") = "6"
    & skf21("3","7","2","5","6","2","3","1") = "6"
    & skf21("3","7","2","5","6","2","4","1") = "6"
    & skf21("3","7","2","5","6","2","5","1") = "6"
    & skf21("3","7","2","5","6","2","6","1") = "6"
    & skf21("3","7","2","5","6","2","7","1") = "6"
    & skf21("3","7","2","5","6","3","1","1") = "6"
    & skf21("3","7","2","5","6","3","2","1") = "6"
    & skf21("3","7","2","5","6","3","3","1") = "6"
    & skf21("3","7","2","5","6","3","4","1") = "6"
    & skf21("3","7","2","5","6","3","5","1") = "6"
    & skf21("3","7","2","5","6","3","6","1") = "6"
    & skf21("3","7","2","5","6","3","7","1") = "6"
    & skf21("3","7","2","5","6","4","1","1") = "6"
    & skf21("3","7","2","5","6","4","2","1") = "6"
    & skf21("3","7","2","5","6","4","3","1") = "6"
    & skf21("3","7","2","5","6","4","4","1") = "6"
    & skf21("3","7","2","5","6","4","5","1") = "6"
    & skf21("3","7","2","5","6","4","6","1") = "6"
    & skf21("3","7","2","5","6","4","7","1") = "6"
    & skf21("3","7","2","5","6","5","1","1") = "6"
    & skf21("3","7","2","5","6","5","2","1") = "6"
    & skf21("3","7","2","5","6","5","3","1") = "6"
    & skf21("3","7","2","5","6","5","4","1") = "6"
    & skf21("3","7","2","5","6","5","5","1") = "6"
    & skf21("3","7","2","5","6","5","6","1") = "6"
    & skf21("3","7","2","5","6","5","7","1") = "6"
    & skf21("3","7","2","5","6","6","1","1") = "6"
    & skf21("3","7","2","5","6","6","2","1") = "6"
    & skf21("3","7","2","5","6","6","3","1") = "6"
    & skf21("3","7","2","5","6","6","4","1") = "6"
    & skf21("3","7","2","5","6","6","5","1") = "6"
    & skf21("3","7","2","5","6","6","6","1") = "6"
    & skf21("3","7","2","5","6","6","7","1") = "6"
    & skf21("3","7","2","5","6","7","1","1") = "6"
    & skf21("3","7","2","5","6","7","2","1") = "6"
    & skf21("3","7","2","5","6","7","3","1") = "6"
    & skf21("3","7","2","5","6","7","4","1") = "6"
    & skf21("3","7","2","5","6","7","5","1") = "6"
    & skf21("3","7","2","5","6","7","6","1") = "6"
    & skf21("3","7","2","5","6","7","7","1") = "6"
    & skf21("3","7","2","5","7","1","1","1") = "6"
    & skf21("3","7","2","5","7","1","2","1") = "6"
    & skf21("3","7","2","5","7","1","3","1") = "6"
    & skf21("3","7","2","5","7","1","4","1") = "6"
    & skf21("3","7","2","5","7","1","5","1") = "6"
    & skf21("3","7","2","5","7","1","6","1") = "6"
    & skf21("3","7","2","5","7","1","7","1") = "6"
    & skf21("3","7","2","5","7","2","1","1") = "6"
    & skf21("3","7","2","5","7","2","2","1") = "6"
    & skf21("3","7","2","5","7","2","3","1") = "6"
    & skf21("3","7","2","5","7","2","4","1") = "6"
    & skf21("3","7","2","5","7","2","5","1") = "6"
    & skf21("3","7","2","5","7","2","6","1") = "6"
    & skf21("3","7","2","5","7","2","7","1") = "6"
    & skf21("3","7","2","5","7","3","1","1") = "6"
    & skf21("3","7","2","5","7","3","2","1") = "6"
    & skf21("3","7","2","5","7","3","3","1") = "6"
    & skf21("3","7","2","5","7","3","4","1") = "6"
    & skf21("3","7","2","5","7","3","5","1") = "6"
    & skf21("3","7","2","5","7","3","6","1") = "6"
    & skf21("3","7","2","5","7","3","7","1") = "6"
    & skf21("3","7","2","5","7","4","1","1") = "6"
    & skf21("3","7","2","5","7","4","2","1") = "6"
    & skf21("3","7","2","5","7","4","3","1") = "6"
    & skf21("3","7","2","5","7","4","4","1") = "6"
    & skf21("3","7","2","5","7","4","5","1") = "6"
    & skf21("3","7","2","5","7","4","6","1") = "6"
    & skf21("3","7","2","5","7","4","7","1") = "6"
    & skf21("3","7","2","5","7","5","1","1") = "6"
    & skf21("3","7","2","5","7","5","2","1") = "6"
    & skf21("3","7","2","5","7","5","3","1") = "6"
    & skf21("3","7","2","5","7","5","4","1") = "6"
    & skf21("3","7","2","5","7","5","5","1") = "6"
    & skf21("3","7","2","5","7","5","6","1") = "6"
    & skf21("3","7","2","5","7","5","7","1") = "6"
    & skf21("3","7","2","5","7","6","1","1") = "6"
    & skf21("3","7","2","5","7","6","2","1") = "6"
    & skf21("3","7","2","5","7","6","3","1") = "6"
    & skf21("3","7","2","5","7","6","4","1") = "6"
    & skf21("3","7","2","5","7","6","5","1") = "6"
    & skf21("3","7","2","5","7","6","6","1") = "6"
    & skf21("3","7","2","5","7","6","7","1") = "6"
    & skf21("3","7","2","5","7","7","1","1") = "6"
    & skf21("3","7","2","5","7","7","2","1") = "6"
    & skf21("3","7","2","5","7","7","3","1") = "6"
    & skf21("3","7","2","5","7","7","4","1") = "6"
    & skf21("3","7","2","5","7","7","5","1") = "6"
    & skf21("3","7","2","5","7","7","6","1") = "6"
    & skf21("3","7","2","5","7","7","7","1") = "6"
    & skf21("3","7","2","6","1","1","1","1") = "6"
    & skf21("3","7","2","6","1","1","2","1") = "6"
    & skf21("3","7","2","6","1","1","3","1") = "6"
    & skf21("3","7","2","6","1","1","4","1") = "6"
    & skf21("3","7","2","6","1","1","5","1") = "6"
    & skf21("3","7","2","6","1","1","6","1") = "6"
    & skf21("3","7","2","6","1","1","7","1") = "6"
    & skf21("3","7","2","6","1","2","1","1") = "6"
    & skf21("3","7","2","6","1","2","2","1") = "6"
    & skf21("3","7","2","6","1","2","3","1") = "6"
    & skf21("3","7","2","6","1","2","4","1") = "6"
    & skf21("3","7","2","6","1","2","5","1") = "6"
    & skf21("3","7","2","6","1","2","6","1") = "6"
    & skf21("3","7","2","6","1","2","7","1") = "6"
    & skf21("3","7","2","6","1","3","1","1") = "6"
    & skf21("3","7","2","6","1","3","2","1") = "6"
    & skf21("3","7","2","6","1","3","3","1") = "6"
    & skf21("3","7","2","6","1","3","4","1") = "6"
    & skf21("3","7","2","6","1","3","5","1") = "6"
    & skf21("3","7","2","6","1","3","6","1") = "6"
    & skf21("3","7","2","6","1","3","7","1") = "6"
    & skf21("3","7","2","6","1","4","1","1") = "6"
    & skf21("3","7","2","6","1","4","2","1") = "6"
    & skf21("3","7","2","6","1","4","3","1") = "6"
    & skf21("3","7","2","6","1","4","4","1") = "6"
    & skf21("3","7","2","6","1","4","5","1") = "6"
    & skf21("3","7","2","6","1","4","6","1") = "6"
    & skf21("3","7","2","6","1","4","7","1") = "6"
    & skf21("3","7","2","6","1","5","1","1") = "6"
    & skf21("3","7","2","6","1","5","2","1") = "6"
    & skf21("3","7","2","6","1","5","3","1") = "6"
    & skf21("3","7","2","6","1","5","4","1") = "6"
    & skf21("3","7","2","6","1","5","5","1") = "6"
    & skf21("3","7","2","6","1","5","6","1") = "6"
    & skf21("3","7","2","6","1","5","7","1") = "6"
    & skf21("3","7","2","6","1","6","1","1") = "6"
    & skf21("3","7","2","6","1","6","2","1") = "6"
    & skf21("3","7","2","6","1","6","3","1") = "6"
    & skf21("3","7","2","6","1","6","4","1") = "6"
    & skf21("3","7","2","6","1","6","5","1") = "6"
    & skf21("3","7","2","6","1","6","6","1") = "6"
    & skf21("3","7","2","6","1","6","7","1") = "6"
    & skf21("3","7","2","6","1","7","1","1") = "6"
    & skf21("3","7","2","6","1","7","2","1") = "6"
    & skf21("3","7","2","6","1","7","3","1") = "6"
    & skf21("3","7","2","6","1","7","4","1") = "6"
    & skf21("3","7","2","6","1","7","5","1") = "6"
    & skf21("3","7","2","6","1","7","6","1") = "6"
    & skf21("3","7","2","6","1","7","7","1") = "6"
    & skf21("3","7","2","6","2","1","1","1") = "6"
    & skf21("3","7","2","6","2","1","2","1") = "6"
    & skf21("3","7","2","6","2","1","3","1") = "6"
    & skf21("3","7","2","6","2","1","4","1") = "6"
    & skf21("3","7","2","6","2","1","5","1") = "6"
    & skf21("3","7","2","6","2","1","6","1") = "6"
    & skf21("3","7","2","6","2","1","7","1") = "6"
    & skf21("3","7","2","6","2","2","1","1") = "6"
    & skf21("3","7","2","6","2","2","2","1") = "6"
    & skf21("3","7","2","6","2","2","3","1") = "6"
    & skf21("3","7","2","6","2","2","4","1") = "6"
    & skf21("3","7","2","6","2","2","5","1") = "6"
    & skf21("3","7","2","6","2","2","6","1") = "6"
    & skf21("3","7","2","6","2","2","7","1") = "6"
    & skf21("3","7","2","6","2","3","1","1") = "6"
    & skf21("3","7","2","6","2","3","2","1") = "6"
    & skf21("3","7","2","6","2","3","3","1") = "6"
    & skf21("3","7","2","6","2","3","4","1") = "6"
    & skf21("3","7","2","6","2","3","5","1") = "6"
    & skf21("3","7","2","6","2","3","6","1") = "6"
    & skf21("3","7","2","6","2","3","7","1") = "6"
    & skf21("3","7","2","6","2","4","1","1") = "6"
    & skf21("3","7","2","6","2","4","2","1") = "6"
    & skf21("3","7","2","6","2","4","3","1") = "6"
    & skf21("3","7","2","6","2","4","4","1") = "6"
    & skf21("3","7","2","6","2","4","5","1") = "6"
    & skf21("3","7","2","6","2","4","6","1") = "6"
    & skf21("3","7","2","6","2","4","7","1") = "6"
    & skf21("3","7","2","6","2","5","1","1") = "6"
    & skf21("3","7","2","6","2","5","2","1") = "6"
    & skf21("3","7","2","6","2","5","3","1") = "6"
    & skf21("3","7","2","6","2","5","4","1") = "6"
    & skf21("3","7","2","6","2","5","5","1") = "6"
    & skf21("3","7","2","6","2","5","6","1") = "6"
    & skf21("3","7","2","6","2","5","7","1") = "6"
    & skf21("3","7","2","6","2","6","1","1") = "6"
    & skf21("3","7","2","6","2","6","2","1") = "6"
    & skf21("3","7","2","6","2","6","3","1") = "6"
    & skf21("3","7","2","6","2","6","4","1") = "6"
    & skf21("3","7","2","6","2","6","5","1") = "6"
    & skf21("3","7","2","6","2","6","6","1") = "6"
    & skf21("3","7","2","6","2","6","7","1") = "6"
    & skf21("3","7","2","6","2","7","1","1") = "6"
    & skf21("3","7","2","6","2","7","2","1") = "6"
    & skf21("3","7","2","6","2","7","3","1") = "6"
    & skf21("3","7","2","6","2","7","4","1") = "6"
    & skf21("3","7","2","6","2","7","5","1") = "6"
    & skf21("3","7","2","6","2","7","6","1") = "6"
    & skf21("3","7","2","6","2","7","7","1") = "6"
    & skf21("3","7","2","6","3","1","1","1") = "6"
    & skf21("3","7","2","6","3","1","2","1") = "6"
    & skf21("3","7","2","6","3","1","3","1") = "6"
    & skf21("3","7","2","6","3","1","4","1") = "6"
    & skf21("3","7","2","6","3","1","5","1") = "6"
    & skf21("3","7","2","6","3","1","6","1") = "6"
    & skf21("3","7","2","6","3","1","7","1") = "6"
    & skf21("3","7","2","6","3","2","1","1") = "6"
    & skf21("3","7","2","6","3","2","2","1") = "6"
    & skf21("3","7","2","6","3","2","3","1") = "6"
    & skf21("3","7","2","6","3","2","4","1") = "6"
    & skf21("3","7","2","6","3","2","5","1") = "6"
    & skf21("3","7","2","6","3","2","6","1") = "6"
    & skf21("3","7","2","6","3","2","7","1") = "6"
    & skf21("3","7","2","6","3","3","1","1") = "6"
    & skf21("3","7","2","6","3","3","2","1") = "6"
    & skf21("3","7","2","6","3","3","3","1") = "6"
    & skf21("3","7","2","6","3","3","4","1") = "6"
    & skf21("3","7","2","6","3","3","5","1") = "6"
    & skf21("3","7","2","6","3","3","6","1") = "6"
    & skf21("3","7","2","6","3","3","7","1") = "6"
    & skf21("3","7","2","6","3","4","1","1") = "6"
    & skf21("3","7","2","6","3","4","2","1") = "6"
    & skf21("3","7","2","6","3","4","3","1") = "6"
    & skf21("3","7","2","6","3","4","4","1") = "6"
    & skf21("3","7","2","6","3","4","5","1") = "6"
    & skf21("3","7","2","6","3","4","6","1") = "6"
    & skf21("3","7","2","6","3","4","7","1") = "6"
    & skf21("3","7","2","6","3","5","1","1") = "6"
    & skf21("3","7","2","6","3","5","2","1") = "6"
    & skf21("3","7","2","6","3","5","3","1") = "6"
    & skf21("3","7","2","6","3","5","4","1") = "6"
    & skf21("3","7","2","6","3","5","5","1") = "6"
    & skf21("3","7","2","6","3","5","6","1") = "6"
    & skf21("3","7","2","6","3","5","7","1") = "6"
    & skf21("3","7","2","6","3","6","1","1") = "6"
    & skf21("3","7","2","6","3","6","2","1") = "6"
    & skf21("3","7","2","6","3","6","3","1") = "6"
    & skf21("3","7","2","6","3","6","4","1") = "6"
    & skf21("3","7","2","6","3","6","5","1") = "6"
    & skf21("3","7","2","6","3","6","6","1") = "6"
    & skf21("3","7","2","6","3","6","7","1") = "6"
    & skf21("3","7","2","6","3","7","1","1") = "6"
    & skf21("3","7","2","6","3","7","2","1") = "6"
    & skf21("3","7","2","6","3","7","3","1") = "6"
    & skf21("3","7","2","6","3","7","4","1") = "6"
    & skf21("3","7","2","6","3","7","5","1") = "6"
    & skf21("3","7","2","6","3","7","6","1") = "6"
    & skf21("3","7","2","6","3","7","7","1") = "6"
    & skf21("3","7","2","6","4","1","1","1") = "6"
    & skf21("3","7","2","6","4","1","2","1") = "6"
    & skf21("3","7","2","6","4","1","3","1") = "6"
    & skf21("3","7","2","6","4","1","4","1") = "6"
    & skf21("3","7","2","6","4","1","5","1") = "6"
    & skf21("3","7","2","6","4","1","6","1") = "6"
    & skf21("3","7","2","6","4","1","7","1") = "6"
    & skf21("3","7","2","6","4","2","1","1") = "6"
    & skf21("3","7","2","6","4","2","2","1") = "6"
    & skf21("3","7","2","6","4","2","3","1") = "6"
    & skf21("3","7","2","6","4","2","4","1") = "6"
    & skf21("3","7","2","6","4","2","5","1") = "6"
    & skf21("3","7","2","6","4","2","6","1") = "6"
    & skf21("3","7","2","6","4","2","7","1") = "6"
    & skf21("3","7","2","6","4","3","1","1") = "6"
    & skf21("3","7","2","6","4","3","2","1") = "6"
    & skf21("3","7","2","6","4","3","3","1") = "6"
    & skf21("3","7","2","6","4","3","4","1") = "6"
    & skf21("3","7","2","6","4","3","5","1") = "6"
    & skf21("3","7","2","6","4","3","6","1") = "6"
    & skf21("3","7","2","6","4","3","7","1") = "6"
    & skf21("3","7","2","6","4","4","1","1") = "6"
    & skf21("3","7","2","6","4","4","2","1") = "6"
    & skf21("3","7","2","6","4","4","3","1") = "6"
    & skf21("3","7","2","6","4","4","4","1") = "6"
    & skf21("3","7","2","6","4","4","5","1") = "6"
    & skf21("3","7","2","6","4","4","6","1") = "6"
    & skf21("3","7","2","6","4","4","7","1") = "6"
    & skf21("3","7","2","6","4","5","1","1") = "6"
    & skf21("3","7","2","6","4","5","2","1") = "6"
    & skf21("3","7","2","6","4","5","3","1") = "6"
    & skf21("3","7","2","6","4","5","4","1") = "6"
    & skf21("3","7","2","6","4","5","5","1") = "6"
    & skf21("3","7","2","6","4","5","6","1") = "6"
    & skf21("3","7","2","6","4","5","7","1") = "6"
    & skf21("3","7","2","6","4","6","1","1") = "6"
    & skf21("3","7","2","6","4","6","2","1") = "6"
    & skf21("3","7","2","6","4","6","3","1") = "6"
    & skf21("3","7","2","6","4","6","4","1") = "6"
    & skf21("3","7","2","6","4","6","5","1") = "6"
    & skf21("3","7","2","6","4","6","6","1") = "6"
    & skf21("3","7","2","6","4","6","7","1") = "6"
    & skf21("3","7","2","6","4","7","1","1") = "6"
    & skf21("3","7","2","6","4","7","2","1") = "6"
    & skf21("3","7","2","6","4","7","3","1") = "6"
    & skf21("3","7","2","6","4","7","4","1") = "6"
    & skf21("3","7","2","6","4","7","5","1") = "6"
    & skf21("3","7","2","6","4","7","6","1") = "6"
    & skf21("3","7","2","6","4","7","7","1") = "6"
    & skf21("3","7","2","6","5","1","1","1") = "6"
    & skf21("3","7","2","6","5","1","2","1") = "6"
    & skf21("3","7","2","6","5","1","3","1") = "6"
    & skf21("3","7","2","6","5","1","4","1") = "6"
    & skf21("3","7","2","6","5","1","5","1") = "6"
    & skf21("3","7","2","6","5","1","6","1") = "6"
    & skf21("3","7","2","6","5","1","7","1") = "6"
    & skf21("3","7","2","6","5","2","1","1") = "6"
    & skf21("3","7","2","6","5","2","2","1") = "6"
    & skf21("3","7","2","6","5","2","3","1") = "6"
    & skf21("3","7","2","6","5","2","4","1") = "6"
    & skf21("3","7","2","6","5","2","5","1") = "6"
    & skf21("3","7","2","6","5","2","6","1") = "6"
    & skf21("3","7","2","6","5","2","7","1") = "6"
    & skf21("3","7","2","6","5","3","1","1") = "6"
    & skf21("3","7","2","6","5","3","2","1") = "6"
    & skf21("3","7","2","6","5","3","3","1") = "6"
    & skf21("3","7","2","6","5","3","4","1") = "6"
    & skf21("3","7","2","6","5","3","5","1") = "6"
    & skf21("3","7","2","6","5","3","6","1") = "6"
    & skf21("3","7","2","6","5","3","7","1") = "6"
    & skf21("3","7","2","6","5","4","1","1") = "6"
    & skf21("3","7","2","6","5","4","2","1") = "6"
    & skf21("3","7","2","6","5","4","3","1") = "6"
    & skf21("3","7","2","6","5","4","4","1") = "6"
    & skf21("3","7","2","6","5","4","5","1") = "6"
    & skf21("3","7","2","6","5","4","6","1") = "6"
    & skf21("3","7","2","6","5","4","7","1") = "6"
    & skf21("3","7","2","6","5","5","1","1") = "6"
    & skf21("3","7","2","6","5","5","2","1") = "6"
    & skf21("3","7","2","6","5","5","3","1") = "6"
    & skf21("3","7","2","6","5","5","4","1") = "6"
    & skf21("3","7","2","6","5","5","5","1") = "6"
    & skf21("3","7","2","6","5","5","6","1") = "6"
    & skf21("3","7","2","6","5","5","7","1") = "6"
    & skf21("3","7","2","6","5","6","1","1") = "6"
    & skf21("3","7","2","6","5","6","2","1") = "6"
    & skf21("3","7","2","6","5","6","3","1") = "6"
    & skf21("3","7","2","6","5","6","4","1") = "6"
    & skf21("3","7","2","6","5","6","5","1") = "6"
    & skf21("3","7","2","6","5","6","6","1") = "6"
    & skf21("3","7","2","6","5","6","7","1") = "6"
    & skf21("3","7","2","6","5","7","1","1") = "6"
    & skf21("3","7","2","6","5","7","2","1") = "6"
    & skf21("3","7","2","6","5","7","3","1") = "6"
    & skf21("3","7","2","6","5","7","4","1") = "6"
    & skf21("3","7","2","6","5","7","5","1") = "6"
    & skf21("3","7","2","6","5","7","6","1") = "6"
    & skf21("3","7","2","6","5","7","7","1") = "6"
    & skf21("3","7","2","6","6","1","1","1") = "6"
    & skf21("3","7","2","6","6","1","2","1") = "6"
    & skf21("3","7","2","6","6","1","3","1") = "6"
    & skf21("3","7","2","6","6","1","4","1") = "6"
    & skf21("3","7","2","6","6","1","5","1") = "6"
    & skf21("3","7","2","6","6","1","6","1") = "6"
    & skf21("3","7","2","6","6","1","7","1") = "6"
    & skf21("3","7","2","6","6","2","1","1") = "6"
    & skf21("3","7","2","6","6","2","2","1") = "6"
    & skf21("3","7","2","6","6","2","3","1") = "6"
    & skf21("3","7","2","6","6","2","4","1") = "6"
    & skf21("3","7","2","6","6","2","5","1") = "6"
    & skf21("3","7","2","6","6","2","6","1") = "6"
    & skf21("3","7","2","6","6","2","7","1") = "6"
    & skf21("3","7","2","6","6","3","1","1") = "6"
    & skf21("3","7","2","6","6","3","2","1") = "6"
    & skf21("3","7","2","6","6","3","3","1") = "6"
    & skf21("3","7","2","6","6","3","4","1") = "6"
    & skf21("3","7","2","6","6","3","5","1") = "6"
    & skf21("3","7","2","6","6","3","6","1") = "6"
    & skf21("3","7","2","6","6","3","7","1") = "6"
    & skf21("3","7","2","6","6","4","1","1") = "6"
    & skf21("3","7","2","6","6","4","2","1") = "6"
    & skf21("3","7","2","6","6","4","3","1") = "6"
    & skf21("3","7","2","6","6","4","4","1") = "6"
    & skf21("3","7","2","6","6","4","5","1") = "6"
    & skf21("3","7","2","6","6","4","6","1") = "6"
    & skf21("3","7","2","6","6","4","7","1") = "6"
    & skf21("3","7","2","6","6","5","1","1") = "6"
    & skf21("3","7","2","6","6","5","2","1") = "6"
    & skf21("3","7","2","6","6","5","3","1") = "6"
    & skf21("3","7","2","6","6","5","4","1") = "6"
    & skf21("3","7","2","6","6","5","5","1") = "6"
    & skf21("3","7","2","6","6","5","6","1") = "6"
    & skf21("3","7","2","6","6","5","7","1") = "6"
    & skf21("3","7","2","6","6","6","1","1") = "6"
    & skf21("3","7","2","6","6","6","2","1") = "6"
    & skf21("3","7","2","6","6","6","3","1") = "6"
    & skf21("3","7","2","6","6","6","4","1") = "6"
    & skf21("3","7","2","6","6","6","5","1") = "6"
    & skf21("3","7","2","6","6","6","6","1") = "6"
    & skf21("3","7","2","6","6","6","7","1") = "6"
    & skf21("3","7","2","6","6","7","1","1") = "6"
    & skf21("3","7","2","6","6","7","2","1") = "6"
    & skf21("3","7","2","6","6","7","3","1") = "6"
    & skf21("3","7","2","6","6","7","4","1") = "6"
    & skf21("3","7","2","6","6","7","5","1") = "6"
    & skf21("3","7","2","6","6","7","6","1") = "6"
    & skf21("3","7","2","6","6","7","7","1") = "6"
    & skf21("3","7","2","6","7","1","1","1") = "6"
    & skf21("3","7","2","6","7","1","2","1") = "6"
    & skf21("3","7","2","6","7","1","3","1") = "6"
    & skf21("3","7","2","6","7","1","4","1") = "6"
    & skf21("3","7","2","6","7","1","5","1") = "6"
    & skf21("3","7","2","6","7","1","6","1") = "6"
    & skf21("3","7","2","6","7","1","7","1") = "6"
    & skf21("3","7","2","6","7","2","1","1") = "6"
    & skf21("3","7","2","6","7","2","2","1") = "6"
    & skf21("3","7","2","6","7","2","3","1") = "6"
    & skf21("3","7","2","6","7","2","4","1") = "6"
    & skf21("3","7","2","6","7","2","5","1") = "6"
    & skf21("3","7","2","6","7","2","6","1") = "6"
    & skf21("3","7","2","6","7","2","7","1") = "6"
    & skf21("3","7","2","6","7","3","1","1") = "6"
    & skf21("3","7","2","6","7","3","2","1") = "6"
    & skf21("3","7","2","6","7","3","3","1") = "6"
    & skf21("3","7","2","6","7","3","4","1") = "6"
    & skf21("3","7","2","6","7","3","5","1") = "6"
    & skf21("3","7","2","6","7","3","6","1") = "6"
    & skf21("3","7","2","6","7","3","7","1") = "6"
    & skf21("3","7","2","6","7","4","1","1") = "6"
    & skf21("3","7","2","6","7","4","2","1") = "6"
    & skf21("3","7","2","6","7","4","3","1") = "6"
    & skf21("3","7","2","6","7","4","4","1") = "6"
    & skf21("3","7","2","6","7","4","5","1") = "6"
    & skf21("3","7","2","6","7","4","6","1") = "6"
    & skf21("3","7","2","6","7","4","7","1") = "6"
    & skf21("3","7","2","6","7","5","1","1") = "6"
    & skf21("3","7","2","6","7","5","2","1") = "6"
    & skf21("3","7","2","6","7","5","3","1") = "6"
    & skf21("3","7","2","6","7","5","4","1") = "6"
    & skf21("3","7","2","6","7","5","5","1") = "6"
    & skf21("3","7","2","6","7","5","6","1") = "6"
    & skf21("3","7","2","6","7","5","7","1") = "6"
    & skf21("3","7","2","6","7","6","1","1") = "6"
    & skf21("3","7","2","6","7","6","2","1") = "6"
    & skf21("3","7","2","6","7","6","3","1") = "6"
    & skf21("3","7","2","6","7","6","4","1") = "6"
    & skf21("3","7","2","6","7","6","5","1") = "6"
    & skf21("3","7","2","6","7","6","6","1") = "6"
    & skf21("3","7","2","6","7","6","7","1") = "6"
    & skf21("3","7","2","6","7","7","1","1") = "6"
    & skf21("3","7","2","6","7","7","2","1") = "6"
    & skf21("3","7","2","6","7","7","3","1") = "6"
    & skf21("3","7","2","6","7","7","4","1") = "6"
    & skf21("3","7","2","6","7","7","5","1") = "6"
    & skf21("3","7","2","6","7","7","6","1") = "6"
    & skf21("3","7","2","6","7","7","7","1") = "6"
    & skf21("3","7","2","7","1","1","1","1") = "6"
    & skf21("3","7","2","7","1","1","2","1") = "6"
    & skf21("3","7","2","7","1","1","3","1") = "6"
    & skf21("3","7","2","7","1","1","4","1") = "6"
    & skf21("3","7","2","7","1","1","5","1") = "6"
    & skf21("3","7","2","7","1","1","6","1") = "6"
    & skf21("3","7","2","7","1","1","7","1") = "6"
    & skf21("3","7","2","7","1","2","1","1") = "6"
    & skf21("3","7","2","7","1","2","2","1") = "6"
    & skf21("3","7","2","7","1","2","3","1") = "6"
    & skf21("3","7","2","7","1","2","4","1") = "6"
    & skf21("3","7","2","7","1","2","5","1") = "6"
    & skf21("3","7","2","7","1","2","6","1") = "6"
    & skf21("3","7","2","7","1","2","7","1") = "6"
    & skf21("3","7","2","7","1","3","1","1") = "6"
    & skf21("3","7","2","7","1","3","2","1") = "6"
    & skf21("3","7","2","7","1","3","3","1") = "6"
    & skf21("3","7","2","7","1","3","4","1") = "6"
    & skf21("3","7","2","7","1","3","5","1") = "6"
    & skf21("3","7","2","7","1","3","6","1") = "6"
    & skf21("3","7","2","7","1","3","7","1") = "6"
    & skf21("3","7","2","7","1","4","1","1") = "6"
    & skf21("3","7","2","7","1","4","2","1") = "6"
    & skf21("3","7","2","7","1","4","3","1") = "6"
    & skf21("3","7","2","7","1","4","4","1") = "6"
    & skf21("3","7","2","7","1","4","5","1") = "6"
    & skf21("3","7","2","7","1","4","6","1") = "6"
    & skf21("3","7","2","7","1","4","7","1") = "6"
    & skf21("3","7","2","7","1","5","1","1") = "6"
    & skf21("3","7","2","7","1","5","2","1") = "6"
    & skf21("3","7","2","7","1","5","3","1") = "6"
    & skf21("3","7","2","7","1","5","4","1") = "6"
    & skf21("3","7","2","7","1","5","5","1") = "6"
    & skf21("3","7","2","7","1","5","6","1") = "6"
    & skf21("3","7","2","7","1","5","7","1") = "6"
    & skf21("3","7","2","7","1","6","1","1") = "6"
    & skf21("3","7","2","7","1","6","2","1") = "6"
    & skf21("3","7","2","7","1","6","3","1") = "6"
    & skf21("3","7","2","7","1","6","4","1") = "6"
    & skf21("3","7","2","7","1","6","5","1") = "6"
    & skf21("3","7","2","7","1","6","6","1") = "6"
    & skf21("3","7","2","7","1","6","7","1") = "6"
    & skf21("3","7","2","7","1","7","1","1") = "6"
    & skf21("3","7","2","7","1","7","2","1") = "6"
    & skf21("3","7","2","7","1","7","3","1") = "6"
    & skf21("3","7","2","7","1","7","4","1") = "6"
    & skf21("3","7","2","7","1","7","5","1") = "6"
    & skf21("3","7","2","7","1","7","6","1") = "6"
    & skf21("3","7","2","7","1","7","7","1") = "6"
    & skf21("3","7","2","7","2","1","1","1") = "6"
    & skf21("3","7","2","7","2","1","2","1") = "6"
    & skf21("3","7","2","7","2","1","3","1") = "6"
    & skf21("3","7","2","7","2","1","4","1") = "6"
    & skf21("3","7","2","7","2","1","5","1") = "6"
    & skf21("3","7","2","7","2","1","6","1") = "6"
    & skf21("3","7","2","7","2","1","7","1") = "6"
    & skf21("3","7","2","7","2","2","1","1") = "6"
    & skf21("3","7","2","7","2","2","2","1") = "6"
    & skf21("3","7","2","7","2","2","3","1") = "6"
    & skf21("3","7","2","7","2","2","4","1") = "6"
    & skf21("3","7","2","7","2","2","5","1") = "6"
    & skf21("3","7","2","7","2","2","6","1") = "6"
    & skf21("3","7","2","7","2","2","7","1") = "6"
    & skf21("3","7","2","7","2","3","1","1") = "6"
    & skf21("3","7","2","7","2","3","2","1") = "6"
    & skf21("3","7","2","7","2","3","3","1") = "6"
    & skf21("3","7","2","7","2","3","4","1") = "6"
    & skf21("3","7","2","7","2","3","5","1") = "6"
    & skf21("3","7","2","7","2","3","6","1") = "6"
    & skf21("3","7","2","7","2","3","7","1") = "6"
    & skf21("3","7","2","7","2","4","1","1") = "6"
    & skf21("3","7","2","7","2","4","2","1") = "6"
    & skf21("3","7","2","7","2","4","3","1") = "6"
    & skf21("3","7","2","7","2","4","4","1") = "6"
    & skf21("3","7","2","7","2","4","5","1") = "6"
    & skf21("3","7","2","7","2","4","6","1") = "6"
    & skf21("3","7","2","7","2","4","7","1") = "6"
    & skf21("3","7","2","7","2","5","1","1") = "6"
    & skf21("3","7","2","7","2","5","2","1") = "6"
    & skf21("3","7","2","7","2","5","3","1") = "6"
    & skf21("3","7","2","7","2","5","4","1") = "6"
    & skf21("3","7","2","7","2","5","5","1") = "6"
    & skf21("3","7","2","7","2","5","6","1") = "6"
    & skf21("3","7","2","7","2","5","7","1") = "6"
    & skf21("3","7","2","7","2","6","1","1") = "6"
    & skf21("3","7","2","7","2","6","2","1") = "6"
    & skf21("3","7","2","7","2","6","3","1") = "6"
    & skf21("3","7","2","7","2","6","4","1") = "6"
    & skf21("3","7","2","7","2","6","5","1") = "6"
    & skf21("3","7","2","7","2","6","6","1") = "6"
    & skf21("3","7","2","7","2","6","7","1") = "6"
    & skf21("3","7","2","7","2","7","1","1") = "6"
    & skf21("3","7","2","7","2","7","2","1") = "6"
    & skf21("3","7","2","7","2","7","3","1") = "6"
    & skf21("3","7","2","7","2","7","4","1") = "6"
    & skf21("3","7","2","7","2","7","5","1") = "6"
    & skf21("3","7","2","7","2","7","6","1") = "6"
    & skf21("3","7","2","7","2","7","7","1") = "6"
    & skf21("3","7","2","7","3","1","1","1") = "6"
    & skf21("3","7","2","7","3","1","2","1") = "6"
    & skf21("3","7","2","7","3","1","3","1") = "6"
    & skf21("3","7","2","7","3","1","4","1") = "6"
    & skf21("3","7","2","7","3","1","5","1") = "6"
    & skf21("3","7","2","7","3","1","6","1") = "6"
    & skf21("3","7","2","7","3","1","7","1") = "6"
    & skf21("3","7","2","7","3","2","1","1") = "6"
    & skf21("3","7","2","7","3","2","2","1") = "6"
    & skf21("3","7","2","7","3","2","3","1") = "6"
    & skf21("3","7","2","7","3","2","4","1") = "6"
    & skf21("3","7","2","7","3","2","5","1") = "6"
    & skf21("3","7","2","7","3","2","6","1") = "6"
    & skf21("3","7","2","7","3","2","7","1") = "6"
    & skf21("3","7","2","7","3","3","1","1") = "6"
    & skf21("3","7","2","7","3","3","2","1") = "6"
    & skf21("3","7","2","7","3","3","3","1") = "6"
    & skf21("3","7","2","7","3","3","4","1") = "6"
    & skf21("3","7","2","7","3","3","5","1") = "6"
    & skf21("3","7","2","7","3","3","6","1") = "6"
    & skf21("3","7","2","7","3","3","7","1") = "6"
    & skf21("3","7","2","7","3","4","1","1") = "6"
    & skf21("3","7","2","7","3","4","2","1") = "6"
    & skf21("3","7","2","7","3","4","3","1") = "6"
    & skf21("3","7","2","7","3","4","4","1") = "6"
    & skf21("3","7","2","7","3","4","5","1") = "6"
    & skf21("3","7","2","7","3","4","6","1") = "6"
    & skf21("3","7","2","7","3","4","7","1") = "6"
    & skf21("3","7","2","7","3","5","1","1") = "6"
    & skf21("3","7","2","7","3","5","2","1") = "6"
    & skf21("3","7","2","7","3","5","3","1") = "6"
    & skf21("3","7","2","7","3","5","4","1") = "6"
    & skf21("3","7","2","7","3","5","5","1") = "6"
    & skf21("3","7","2","7","3","5","6","1") = "6"
    & skf21("3","7","2","7","3","5","7","1") = "6"
    & skf21("3","7","2","7","3","6","1","1") = "6"
    & skf21("3","7","2","7","3","6","2","1") = "6"
    & skf21("3","7","2","7","3","6","3","1") = "6"
    & skf21("3","7","2","7","3","6","4","1") = "6"
    & skf21("3","7","2","7","3","6","5","1") = "6"
    & skf21("3","7","2","7","3","6","6","1") = "6"
    & skf21("3","7","2","7","3","6","7","1") = "6"
    & skf21("3","7","2","7","3","7","1","1") = "6"
    & skf21("3","7","2","7","3","7","2","1") = "6"
    & skf21("3","7","2","7","3","7","3","1") = "6"
    & skf21("3","7","2","7","3","7","4","1") = "6"
    & skf21("3","7","2","7","3","7","5","1") = "6"
    & skf21("3","7","2","7","3","7","6","1") = "6"
    & skf21("3","7","2","7","3","7","7","1") = "6"
    & skf21("3","7","2","7","4","1","1","1") = "6"
    & skf21("3","7","2","7","4","1","2","1") = "6"
    & skf21("3","7","2","7","4","1","3","1") = "6"
    & skf21("3","7","2","7","4","1","4","1") = "6"
    & skf21("3","7","2","7","4","1","5","1") = "6"
    & skf21("3","7","2","7","4","1","6","1") = "6"
    & skf21("3","7","2","7","4","1","7","1") = "6"
    & skf21("3","7","2","7","4","2","1","1") = "6"
    & skf21("3","7","2","7","4","2","2","1") = "6"
    & skf21("3","7","2","7","4","2","3","1") = "6"
    & skf21("3","7","2","7","4","2","4","1") = "6"
    & skf21("3","7","2","7","4","2","5","1") = "6"
    & skf21("3","7","2","7","4","2","6","1") = "6"
    & skf21("3","7","2","7","4","2","7","1") = "6"
    & skf21("3","7","2","7","4","3","1","1") = "6"
    & skf21("3","7","2","7","4","3","2","1") = "6"
    & skf21("3","7","2","7","4","3","3","1") = "6"
    & skf21("3","7","2","7","4","3","4","1") = "6"
    & skf21("3","7","2","7","4","3","5","1") = "6"
    & skf21("3","7","2","7","4","3","6","1") = "6"
    & skf21("3","7","2","7","4","3","7","1") = "6"
    & skf21("3","7","2","7","4","4","1","1") = "6"
    & skf21("3","7","2","7","4","4","2","1") = "6"
    & skf21("3","7","2","7","4","4","3","1") = "6"
    & skf21("3","7","2","7","4","4","4","1") = "6"
    & skf21("3","7","2","7","4","4","5","1") = "6"
    & skf21("3","7","2","7","4","4","6","1") = "6"
    & skf21("3","7","2","7","4","4","7","1") = "6"
    & skf21("3","7","2","7","4","5","1","1") = "6"
    & skf21("3","7","2","7","4","5","2","1") = "6"
    & skf21("3","7","2","7","4","5","3","1") = "6"
    & skf21("3","7","2","7","4","5","4","1") = "6"
    & skf21("3","7","2","7","4","5","5","1") = "6"
    & skf21("3","7","2","7","4","5","6","1") = "6"
    & skf21("3","7","2","7","4","5","7","1") = "6"
    & skf21("3","7","2","7","4","6","1","1") = "6"
    & skf21("3","7","2","7","4","6","2","1") = "6"
    & skf21("3","7","2","7","4","6","3","1") = "6"
    & skf21("3","7","2","7","4","6","4","1") = "6"
    & skf21("3","7","2","7","4","6","5","1") = "6"
    & skf21("3","7","2","7","4","6","6","1") = "6"
    & skf21("3","7","2","7","4","6","7","1") = "6"
    & skf21("3","7","2","7","4","7","1","1") = "6"
    & skf21("3","7","2","7","4","7","2","1") = "6"
    & skf21("3","7","2","7","4","7","3","1") = "6"
    & skf21("3","7","2","7","4","7","4","1") = "6"
    & skf21("3","7","2","7","4","7","5","1") = "6"
    & skf21("3","7","2","7","4","7","6","1") = "6"
    & skf21("3","7","2","7","4","7","7","1") = "6"
    & skf21("3","7","2","7","5","1","1","1") = "6"
    & skf21("3","7","2","7","5","1","2","1") = "6"
    & skf21("3","7","2","7","5","1","3","1") = "6"
    & skf21("3","7","2","7","5","1","4","1") = "6"
    & skf21("3","7","2","7","5","1","5","1") = "6"
    & skf21("3","7","2","7","5","1","6","1") = "6"
    & skf21("3","7","2","7","5","1","7","1") = "6"
    & skf21("3","7","2","7","5","2","1","1") = "6"
    & skf21("3","7","2","7","5","2","2","1") = "6"
    & skf21("3","7","2","7","5","2","3","1") = "6"
    & skf21("3","7","2","7","5","2","4","1") = "6"
    & skf21("3","7","2","7","5","2","5","1") = "6"
    & skf21("3","7","2","7","5","2","6","1") = "6"
    & skf21("3","7","2","7","5","2","7","1") = "6"
    & skf21("3","7","2","7","5","3","1","1") = "6"
    & skf21("3","7","2","7","5","3","2","1") = "6"
    & skf21("3","7","2","7","5","3","3","1") = "6"
    & skf21("3","7","2","7","5","3","4","1") = "6"
    & skf21("3","7","2","7","5","3","5","1") = "6"
    & skf21("3","7","2","7","5","3","6","1") = "6"
    & skf21("3","7","2","7","5","3","7","1") = "6"
    & skf21("3","7","2","7","5","4","1","1") = "6"
    & skf21("3","7","2","7","5","4","2","1") = "6"
    & skf21("3","7","2","7","5","4","3","1") = "6"
    & skf21("3","7","2","7","5","4","4","1") = "6"
    & skf21("3","7","2","7","5","4","5","1") = "6"
    & skf21("3","7","2","7","5","4","6","1") = "6"
    & skf21("3","7","2","7","5","4","7","1") = "6"
    & skf21("3","7","2","7","5","5","1","1") = "6"
    & skf21("3","7","2","7","5","5","2","1") = "6"
    & skf21("3","7","2","7","5","5","3","1") = "6"
    & skf21("3","7","2","7","5","5","4","1") = "6"
    & skf21("3","7","2","7","5","5","5","1") = "6"
    & skf21("3","7","2","7","5","5","6","1") = "6"
    & skf21("3","7","2","7","5","5","7","1") = "6"
    & skf21("3","7","2","7","5","6","1","1") = "6"
    & skf21("3","7","2","7","5","6","2","1") = "6"
    & skf21("3","7","2","7","5","6","3","1") = "6"
    & skf21("3","7","2","7","5","6","4","1") = "6"
    & skf21("3","7","2","7","5","6","5","1") = "6"
    & skf21("3","7","2","7","5","6","6","1") = "6"
    & skf21("3","7","2","7","5","6","7","1") = "6"
    & skf21("3","7","2","7","5","7","1","1") = "6"
    & skf21("3","7","2","7","5","7","2","1") = "6"
    & skf21("3","7","2","7","5","7","3","1") = "6"
    & skf21("3","7","2","7","5","7","4","1") = "6"
    & skf21("3","7","2","7","5","7","5","1") = "6"
    & skf21("3","7","2","7","5","7","6","1") = "6"
    & skf21("3","7","2","7","5","7","7","1") = "6"
    & skf21("3","7","2","7","6","1","1","1") = "6"
    & skf21("3","7","2","7","6","1","2","1") = "6"
    & skf21("3","7","2","7","6","1","3","1") = "6"
    & skf21("3","7","2","7","6","1","4","1") = "6"
    & skf21("3","7","2","7","6","1","5","1") = "6"
    & skf21("3","7","2","7","6","1","6","1") = "6"
    & skf21("3","7","2","7","6","1","7","1") = "6"
    & skf21("3","7","2","7","6","2","1","1") = "6"
    & skf21("3","7","2","7","6","2","2","1") = "6"
    & skf21("3","7","2","7","6","2","3","1") = "6"
    & skf21("3","7","2","7","6","2","4","1") = "6"
    & skf21("3","7","2","7","6","2","5","1") = "6"
    & skf21("3","7","2","7","6","2","6","1") = "6"
    & skf21("3","7","2","7","6","2","7","1") = "6"
    & skf21("3","7","2","7","6","3","1","1") = "6"
    & skf21("3","7","2","7","6","3","2","1") = "6"
    & skf21("3","7","2","7","6","3","3","1") = "6"
    & skf21("3","7","2","7","6","3","4","1") = "6"
    & skf21("3","7","2","7","6","3","5","1") = "6"
    & skf21("3","7","2","7","6","3","6","1") = "6"
    & skf21("3","7","2","7","6","3","7","1") = "6"
    & skf21("3","7","2","7","6","4","1","1") = "6"
    & skf21("3","7","2","7","6","4","2","1") = "6"
    & skf21("3","7","2","7","6","4","3","1") = "6"
    & skf21("3","7","2","7","6","4","4","1") = "6"
    & skf21("3","7","2","7","6","4","5","1") = "6"
    & skf21("3","7","2","7","6","4","6","1") = "6"
    & skf21("3","7","2","7","6","4","7","1") = "6"
    & skf21("3","7","2","7","6","5","1","1") = "6"
    & skf21("3","7","2","7","6","5","2","1") = "6"
    & skf21("3","7","2","7","6","5","3","1") = "6"
    & skf21("3","7","2","7","6","5","4","1") = "6"
    & skf21("3","7","2","7","6","5","5","1") = "6"
    & skf21("3","7","2","7","6","5","6","1") = "6"
    & skf21("3","7","2","7","6","5","7","1") = "6"
    & skf21("3","7","2","7","6","6","1","1") = "6"
    & skf21("3","7","2","7","6","6","2","1") = "6"
    & skf21("3","7","2","7","6","6","3","1") = "6"
    & skf21("3","7","2","7","6","6","4","1") = "6"
    & skf21("3","7","2","7","6","6","5","1") = "6"
    & skf21("3","7","2","7","6","6","6","1") = "6"
    & skf21("3","7","2","7","6","6","7","1") = "6"
    & skf21("3","7","2","7","6","7","1","1") = "6"
    & skf21("3","7","2","7","6","7","2","1") = "6"
    & skf21("3","7","2","7","6","7","3","1") = "6"
    & skf21("3","7","2","7","6","7","4","1") = "6"
    & skf21("3","7","2","7","6","7","5","1") = "6"
    & skf21("3","7","2","7","6","7","6","1") = "6"
    & skf21("3","7","2","7","6","7","7","1") = "6"
    & skf21("3","7","2","7","7","1","1","1") = "6"
    & skf21("3","7","2","7","7","1","2","1") = "6"
    & skf21("3","7","2","7","7","1","3","1") = "6"
    & skf21("3","7","2","7","7","1","4","1") = "6"
    & skf21("3","7","2","7","7","1","5","1") = "6"
    & skf21("3","7","2","7","7","1","6","1") = "6"
    & skf21("3","7","2","7","7","1","7","1") = "6"
    & skf21("3","7","2","7","7","2","1","1") = "6"
    & skf21("3","7","2","7","7","2","2","1") = "6"
    & skf21("3","7","2","7","7","2","3","1") = "6"
    & skf21("3","7","2","7","7","2","4","1") = "6"
    & skf21("3","7","2","7","7","2","5","1") = "6"
    & skf21("3","7","2","7","7","2","6","1") = "6"
    & skf21("3","7","2","7","7","2","7","1") = "6"
    & skf21("3","7","2","7","7","3","1","1") = "6"
    & skf21("3","7","2","7","7","3","2","1") = "6"
    & skf21("3","7","2","7","7","3","3","1") = "6"
    & skf21("3","7","2","7","7","3","4","1") = "6"
    & skf21("3","7","2","7","7","3","5","1") = "6"
    & skf21("3","7","2","7","7","3","6","1") = "6"
    & skf21("3","7","2","7","7","3","7","1") = "6"
    & skf21("3","7","2","7","7","4","1","1") = "6"
    & skf21("3","7","2","7","7","4","2","1") = "6"
    & skf21("3","7","2","7","7","4","3","1") = "6"
    & skf21("3","7","2","7","7","4","4","1") = "6"
    & skf21("3","7","2","7","7","4","5","1") = "6"
    & skf21("3","7","2","7","7","4","6","1") = "6"
    & skf21("3","7","2","7","7","4","7","1") = "6"
    & skf21("3","7","2","7","7","5","1","1") = "6"
    & skf21("3","7","2","7","7","5","2","1") = "6"
    & skf21("3","7","2","7","7","5","3","1") = "6"
    & skf21("3","7","2","7","7","5","4","1") = "6"
    & skf21("3","7","2","7","7","5","5","1") = "6"
    & skf21("3","7","2","7","7","5","6","1") = "6"
    & skf21("3","7","2","7","7","5","7","1") = "6"
    & skf21("3","7","2","7","7","6","1","1") = "6"
    & skf21("3","7","2","7","7","6","2","1") = "6"
    & skf21("3","7","2","7","7","6","3","1") = "6"
    & skf21("3","7","2","7","7","6","4","1") = "6"
    & skf21("3","7","2","7","7","6","5","1") = "6"
    & skf21("3","7","2","7","7","6","6","1") = "6"
    & skf21("3","7","2","7","7","6","7","1") = "6"
    & skf21("3","7","2","7","7","7","1","1") = "6"
    & skf21("3","7","2","7","7","7","2","1") = "6"
    & skf21("3","7","2","7","7","7","3","1") = "6"
    & skf21("3","7","2","7","7","7","4","1") = "6"
    & skf21("3","7","2","7","7","7","5","1") = "6"
    & skf21("3","7","2","7","7","7","6","1") = "6"
    & skf21("3","7","2","7","7","7","7","1") = "6"
    & skf21("3","7","3","1","1","1","1","1") = "6"
    & skf21("3","7","3","1","1","1","2","1") = "6"
    & skf21("3","7","3","1","1","1","3","1") = "6"
    & skf21("3","7","3","1","1","1","4","1") = "6"
    & skf21("3","7","3","1","1","1","5","1") = "6"
    & skf21("3","7","3","1","1","1","6","1") = "6"
    & skf21("3","7","3","1","1","1","7","1") = "6"
    & skf21("3","7","3","1","1","2","1","1") = "6"
    & skf21("3","7","3","1","1","2","2","1") = "6"
    & skf21("3","7","3","1","1","2","3","1") = "6"
    & skf21("3","7","3","1","1","2","4","1") = "6"
    & skf21("3","7","3","1","1","2","5","1") = "6"
    & skf21("3","7","3","1","1","2","6","1") = "6"
    & skf21("3","7","3","1","1","2","7","1") = "6"
    & skf21("3","7","3","1","1","3","1","1") = "6"
    & skf21("3","7","3","1","1","3","2","1") = "6"
    & skf21("3","7","3","1","1","3","3","1") = "6"
    & skf21("3","7","3","1","1","3","4","1") = "6"
    & skf21("3","7","3","1","1","3","5","1") = "6"
    & skf21("3","7","3","1","1","3","6","1") = "6"
    & skf21("3","7","3","1","1","3","7","1") = "6"
    & skf21("3","7","3","1","1","4","1","1") = "6"
    & skf21("3","7","3","1","1","4","2","1") = "6"
    & skf21("3","7","3","1","1","4","3","1") = "6"
    & skf21("3","7","3","1","1","4","4","1") = "6"
    & skf21("3","7","3","1","1","4","5","1") = "6"
    & skf21("3","7","3","1","1","4","6","1") = "6"
    & skf21("3","7","3","1","1","4","7","1") = "6"
    & skf21("3","7","3","1","1","5","1","1") = "6"
    & skf21("3","7","3","1","1","5","2","1") = "6"
    & skf21("3","7","3","1","1","5","3","1") = "6"
    & skf21("3","7","3","1","1","5","4","1") = "6"
    & skf21("3","7","3","1","1","5","5","1") = "6"
    & skf21("3","7","3","1","1","5","6","1") = "6"
    & skf21("3","7","3","1","1","5","7","1") = "6"
    & skf21("3","7","3","1","1","6","1","1") = "6"
    & skf21("3","7","3","1","1","6","2","1") = "6"
    & skf21("3","7","3","1","1","6","3","1") = "6"
    & skf21("3","7","3","1","1","6","4","1") = "6"
    & skf21("3","7","3","1","1","6","5","1") = "6"
    & skf21("3","7","3","1","1","6","6","1") = "6"
    & skf21("3","7","3","1","1","6","7","1") = "6"
    & skf21("3","7","3","1","1","7","1","1") = "6"
    & skf21("3","7","3","1","1","7","2","1") = "6"
    & skf21("3","7","3","1","1","7","3","1") = "6"
    & skf21("3","7","3","1","1","7","4","1") = "6"
    & skf21("3","7","3","1","1","7","5","1") = "6"
    & skf21("3","7","3","1","1","7","6","1") = "6"
    & skf21("3","7","3","1","1","7","7","1") = "6"
    & skf21("3","7","3","1","2","1","1","1") = "6"
    & skf21("3","7","3","1","2","1","2","1") = "6"
    & skf21("3","7","3","1","2","1","3","1") = "6"
    & skf21("3","7","3","1","2","1","4","1") = "6"
    & skf21("3","7","3","1","2","1","5","1") = "6"
    & skf21("3","7","3","1","2","1","6","1") = "6"
    & skf21("3","7","3","1","2","1","7","1") = "6"
    & skf21("3","7","3","1","2","2","1","1") = "6"
    & skf21("3","7","3","1","2","2","2","1") = "6"
    & skf21("3","7","3","1","2","2","3","1") = "6"
    & skf21("3","7","3","1","2","2","4","1") = "6"
    & skf21("3","7","3","1","2","2","5","1") = "6"
    & skf21("3","7","3","1","2","2","6","1") = "6"
    & skf21("3","7","3","1","2","2","7","1") = "6"
    & skf21("3","7","3","1","2","3","1","1") = "6"
    & skf21("3","7","3","1","2","3","2","1") = "6"
    & skf21("3","7","3","1","2","3","3","1") = "6"
    & skf21("3","7","3","1","2","3","4","1") = "6"
    & skf21("3","7","3","1","2","3","5","1") = "6"
    & skf21("3","7","3","1","2","3","6","1") = "6"
    & skf21("3","7","3","1","2","3","7","1") = "6"
    & skf21("3","7","3","1","2","4","1","1") = "6"
    & skf21("3","7","3","1","2","4","2","1") = "6"
    & skf21("3","7","3","1","2","4","3","1") = "6"
    & skf21("3","7","3","1","2","4","4","1") = "6"
    & skf21("3","7","3","1","2","4","5","1") = "6"
    & skf21("3","7","3","1","2","4","6","1") = "6"
    & skf21("3","7","3","1","2","4","7","1") = "6"
    & skf21("3","7","3","1","2","5","1","1") = "6"
    & skf21("3","7","3","1","2","5","2","1") = "6"
    & skf21("3","7","3","1","2","5","3","1") = "6"
    & skf21("3","7","3","1","2","5","4","1") = "6"
    & skf21("3","7","3","1","2","5","5","1") = "6"
    & skf21("3","7","3","1","2","5","6","1") = "6"
    & skf21("3","7","3","1","2","5","7","1") = "6"
    & skf21("3","7","3","1","2","6","1","1") = "6"
    & skf21("3","7","3","1","2","6","2","1") = "6"
    & skf21("3","7","3","1","2","6","3","1") = "6"
    & skf21("3","7","3","1","2","6","4","1") = "6"
    & skf21("3","7","3","1","2","6","5","1") = "6"
    & skf21("3","7","3","1","2","6","6","1") = "6"
    & skf21("3","7","3","1","2","6","7","1") = "6"
    & skf21("3","7","3","1","2","7","1","1") = "6"
    & skf21("3","7","3","1","2","7","2","1") = "6"
    & skf21("3","7","3","1","2","7","3","1") = "6"
    & skf21("3","7","3","1","2","7","4","1") = "6"
    & skf21("3","7","3","1","2","7","5","1") = "6"
    & skf21("3","7","3","1","2","7","6","1") = "6"
    & skf21("3","7","3","1","2","7","7","1") = "6"
    & skf21("3","7","3","1","3","1","1","1") = "6"
    & skf21("3","7","3","1","3","1","2","1") = "6"
    & skf21("3","7","3","1","3","1","3","1") = "6"
    & skf21("3","7","3","1","3","1","4","1") = "6"
    & skf21("3","7","3","1","3","1","5","1") = "6"
    & skf21("3","7","3","1","3","1","6","1") = "6"
    & skf21("3","7","3","1","3","1","7","1") = "6"
    & skf21("3","7","3","1","3","2","1","1") = "6"
    & skf21("3","7","3","1","3","2","2","1") = "6"
    & skf21("3","7","3","1","3","2","3","1") = "6"
    & skf21("3","7","3","1","3","2","4","1") = "6"
    & skf21("3","7","3","1","3","2","5","1") = "6"
    & skf21("3","7","3","1","3","2","6","1") = "6"
    & skf21("3","7","3","1","3","2","7","1") = "6"
    & skf21("3","7","3","1","3","3","1","1") = "6"
    & skf21("3","7","3","1","3","3","2","1") = "6"
    & skf21("3","7","3","1","3","3","3","1") = "6"
    & skf21("3","7","3","1","3","3","4","1") = "6"
    & skf21("3","7","3","1","3","3","5","1") = "6"
    & skf21("3","7","3","1","3","3","6","1") = "6"
    & skf21("3","7","3","1","3","3","7","1") = "6"
    & skf21("3","7","3","1","3","4","1","1") = "6"
    & skf21("3","7","3","1","3","4","2","1") = "6"
    & skf21("3","7","3","1","3","4","3","1") = "6"
    & skf21("3","7","3","1","3","4","4","1") = "6"
    & skf21("3","7","3","1","3","4","5","1") = "6"
    & skf21("3","7","3","1","3","4","6","1") = "6"
    & skf21("3","7","3","1","3","4","7","1") = "6"
    & skf21("3","7","3","1","3","5","1","1") = "6"
    & skf21("3","7","3","1","3","5","2","1") = "6"
    & skf21("3","7","3","1","3","5","3","1") = "6"
    & skf21("3","7","3","1","3","5","4","1") = "6"
    & skf21("3","7","3","1","3","5","5","1") = "6"
    & skf21("3","7","3","1","3","5","6","1") = "6"
    & skf21("3","7","3","1","3","5","7","1") = "6"
    & skf21("3","7","3","1","3","6","1","1") = "6"
    & skf21("3","7","3","1","3","6","2","1") = "6"
    & skf21("3","7","3","1","3","6","3","1") = "6"
    & skf21("3","7","3","1","3","6","4","1") = "6"
    & skf21("3","7","3","1","3","6","5","1") = "6"
    & skf21("3","7","3","1","3","6","6","1") = "6"
    & skf21("3","7","3","1","3","6","7","1") = "6"
    & skf21("3","7","3","1","3","7","1","1") = "6"
    & skf21("3","7","3","1","3","7","2","1") = "6"
    & skf21("3","7","3","1","3","7","3","1") = "6"
    & skf21("3","7","3","1","3","7","4","1") = "6"
    & skf21("3","7","3","1","3","7","5","1") = "6"
    & skf21("3","7","3","1","3","7","6","1") = "6"
    & skf21("3","7","3","1","3","7","7","1") = "6"
    & skf21("3","7","3","1","4","1","1","1") = "6"
    & skf21("3","7","3","1","4","1","2","1") = "6"
    & skf21("3","7","3","1","4","1","3","1") = "6"
    & skf21("3","7","3","1","4","1","4","1") = "6"
    & skf21("3","7","3","1","4","1","5","1") = "6"
    & skf21("3","7","3","1","4","1","6","1") = "6"
    & skf21("3","7","3","1","4","1","7","1") = "6"
    & skf21("3","7","3","1","4","2","1","1") = "6"
    & skf21("3","7","3","1","4","2","2","1") = "6"
    & skf21("3","7","3","1","4","2","3","1") = "6"
    & skf21("3","7","3","1","4","2","4","1") = "6"
    & skf21("3","7","3","1","4","2","5","1") = "6"
    & skf21("3","7","3","1","4","2","6","1") = "6"
    & skf21("3","7","3","1","4","2","7","1") = "6"
    & skf21("3","7","3","1","4","3","1","1") = "6"
    & skf21("3","7","3","1","4","3","2","1") = "6"
    & skf21("3","7","3","1","4","3","3","1") = "6"
    & skf21("3","7","3","1","4","3","4","1") = "6"
    & skf21("3","7","3","1","4","3","5","1") = "6"
    & skf21("3","7","3","1","4","3","6","1") = "6"
    & skf21("3","7","3","1","4","3","7","1") = "6"
    & skf21("3","7","3","1","4","4","1","1") = "6"
    & skf21("3","7","3","1","4","4","2","1") = "6"
    & skf21("3","7","3","1","4","4","3","1") = "6"
    & skf21("3","7","3","1","4","4","4","1") = "6"
    & skf21("3","7","3","1","4","4","5","1") = "6"
    & skf21("3","7","3","1","4","4","6","1") = "6"
    & skf21("3","7","3","1","4","4","7","1") = "6"
    & skf21("3","7","3","1","4","5","1","1") = "6"
    & skf21("3","7","3","1","4","5","2","1") = "6"
    & skf21("3","7","3","1","4","5","3","1") = "6"
    & skf21("3","7","3","1","4","5","4","1") = "6"
    & skf21("3","7","3","1","4","5","5","1") = "6"
    & skf21("3","7","3","1","4","5","6","1") = "6"
    & skf21("3","7","3","1","4","5","7","1") = "6"
    & skf21("3","7","3","1","4","6","1","1") = "6"
    & skf21("3","7","3","1","4","6","2","1") = "6"
    & skf21("3","7","3","1","4","6","3","1") = "6"
    & skf21("3","7","3","1","4","6","4","1") = "6"
    & skf21("3","7","3","1","4","6","5","1") = "6"
    & skf21("3","7","3","1","4","6","6","1") = "6"
    & skf21("3","7","3","1","4","6","7","1") = "6"
    & skf21("3","7","3","1","4","7","1","1") = "6"
    & skf21("3","7","3","1","4","7","2","1") = "6"
    & skf21("3","7","3","1","4","7","3","1") = "6"
    & skf21("3","7","3","1","4","7","4","1") = "6"
    & skf21("3","7","3","1","4","7","5","1") = "6"
    & skf21("3","7","3","1","4","7","6","1") = "6"
    & skf21("3","7","3","1","4","7","7","1") = "6"
    & skf21("3","7","3","1","5","1","1","1") = "6"
    & skf21("3","7","3","1","5","1","2","1") = "6"
    & skf21("3","7","3","1","5","1","3","1") = "6"
    & skf21("3","7","3","1","5","1","4","1") = "6"
    & skf21("3","7","3","1","5","1","5","1") = "6"
    & skf21("3","7","3","1","5","1","6","1") = "6"
    & skf21("3","7","3","1","5","1","7","1") = "6"
    & skf21("3","7","3","1","5","2","1","1") = "6"
    & skf21("3","7","3","1","5","2","2","1") = "6"
    & skf21("3","7","3","1","5","2","3","1") = "6"
    & skf21("3","7","3","1","5","2","4","1") = "6"
    & skf21("3","7","3","1","5","2","5","1") = "6"
    & skf21("3","7","3","1","5","2","6","1") = "6"
    & skf21("3","7","3","1","5","2","7","1") = "6"
    & skf21("3","7","3","1","5","3","1","1") = "6"
    & skf21("3","7","3","1","5","3","2","1") = "6"
    & skf21("3","7","3","1","5","3","3","1") = "6"
    & skf21("3","7","3","1","5","3","4","1") = "6"
    & skf21("3","7","3","1","5","3","5","1") = "6"
    & skf21("3","7","3","1","5","3","6","1") = "6"
    & skf21("3","7","3","1","5","3","7","1") = "6"
    & skf21("3","7","3","1","5","4","1","1") = "6"
    & skf21("3","7","3","1","5","4","2","1") = "6"
    & skf21("3","7","3","1","5","4","3","1") = "6"
    & skf21("3","7","3","1","5","4","4","1") = "6"
    & skf21("3","7","3","1","5","4","5","1") = "6"
    & skf21("3","7","3","1","5","4","6","1") = "6"
    & skf21("3","7","3","1","5","4","7","1") = "6"
    & skf21("3","7","3","1","5","5","1","1") = "6"
    & skf21("3","7","3","1","5","5","2","1") = "6"
    & skf21("3","7","3","1","5","5","3","1") = "6"
    & skf21("3","7","3","1","5","5","4","1") = "6"
    & skf21("3","7","3","1","5","5","5","1") = "6"
    & skf21("3","7","3","1","5","5","6","1") = "6"
    & skf21("3","7","3","1","5","5","7","1") = "6"
    & skf21("3","7","3","1","5","6","1","1") = "6"
    & skf21("3","7","3","1","5","6","2","1") = "6"
    & skf21("3","7","3","1","5","6","3","1") = "6"
    & skf21("3","7","3","1","5","6","4","1") = "6"
    & skf21("3","7","3","1","5","6","5","1") = "6"
    & skf21("3","7","3","1","5","6","6","1") = "6"
    & skf21("3","7","3","1","5","6","7","1") = "6"
    & skf21("3","7","3","1","5","7","1","1") = "6"
    & skf21("3","7","3","1","5","7","2","1") = "6"
    & skf21("3","7","3","1","5","7","3","1") = "6"
    & skf21("3","7","3","1","5","7","4","1") = "6"
    & skf21("3","7","3","1","5","7","5","1") = "6"
    & skf21("3","7","3","1","5","7","6","1") = "6"
    & skf21("3","7","3","1","5","7","7","1") = "6"
    & skf21("3","7","3","1","6","1","1","1") = "6"
    & skf21("3","7","3","1","6","1","2","1") = "6"
    & skf21("3","7","3","1","6","1","3","1") = "6"
    & skf21("3","7","3","1","6","1","4","1") = "6"
    & skf21("3","7","3","1","6","1","5","1") = "6"
    & skf21("3","7","3","1","6","1","6","1") = "6"
    & skf21("3","7","3","1","6","1","7","1") = "6"
    & skf21("3","7","3","1","6","2","1","1") = "6"
    & skf21("3","7","3","1","6","2","2","1") = "6"
    & skf21("3","7","3","1","6","2","3","1") = "6"
    & skf21("3","7","3","1","6","2","4","1") = "6"
    & skf21("3","7","3","1","6","2","5","1") = "6"
    & skf21("3","7","3","1","6","2","6","1") = "6"
    & skf21("3","7","3","1","6","2","7","1") = "6"
    & skf21("3","7","3","1","6","3","1","1") = "6"
    & skf21("3","7","3","1","6","3","2","1") = "6"
    & skf21("3","7","3","1","6","3","3","1") = "6"
    & skf21("3","7","3","1","6","3","4","1") = "6"
    & skf21("3","7","3","1","6","3","5","1") = "6"
    & skf21("3","7","3","1","6","3","6","1") = "6"
    & skf21("3","7","3","1","6","3","7","1") = "6"
    & skf21("3","7","3","1","6","4","1","1") = "6"
    & skf21("3","7","3","1","6","4","2","1") = "6"
    & skf21("3","7","3","1","6","4","3","1") = "6"
    & skf21("3","7","3","1","6","4","4","1") = "6"
    & skf21("3","7","3","1","6","4","5","1") = "6"
    & skf21("3","7","3","1","6","4","6","1") = "6"
    & skf21("3","7","3","1","6","4","7","1") = "6"
    & skf21("3","7","3","1","6","5","1","1") = "6"
    & skf21("3","7","3","1","6","5","2","1") = "6"
    & skf21("3","7","3","1","6","5","3","1") = "6"
    & skf21("3","7","3","1","6","5","4","1") = "6"
    & skf21("3","7","3","1","6","5","5","1") = "6"
    & skf21("3","7","3","1","6","5","6","1") = "6"
    & skf21("3","7","3","1","6","5","7","1") = "6"
    & skf21("3","7","3","1","6","6","1","1") = "6"
    & skf21("3","7","3","1","6","6","2","1") = "6"
    & skf21("3","7","3","1","6","6","3","1") = "6"
    & skf21("3","7","3","1","6","6","4","1") = "6"
    & skf21("3","7","3","1","6","6","5","1") = "6"
    & skf21("3","7","3","1","6","6","6","1") = "6"
    & skf21("3","7","3","1","6","6","7","1") = "6"
    & skf21("3","7","3","1","6","7","1","1") = "6"
    & skf21("3","7","3","1","6","7","2","1") = "6"
    & skf21("3","7","3","1","6","7","3","1") = "6"
    & skf21("3","7","3","1","6","7","4","1") = "6"
    & skf21("3","7","3","1","6","7","5","1") = "6"
    & skf21("3","7","3","1","6","7","6","1") = "6"
    & skf21("3","7","3","1","6","7","7","1") = "6"
    & skf21("3","7","3","1","7","1","1","1") = "6"
    & skf21("3","7","3","1","7","1","2","1") = "6"
    & skf21("3","7","3","1","7","1","3","1") = "6"
    & skf21("3","7","3","1","7","1","4","1") = "6"
    & skf21("3","7","3","1","7","1","5","1") = "6"
    & skf21("3","7","3","1","7","1","6","1") = "6"
    & skf21("3","7","3","1","7","1","7","1") = "6"
    & skf21("3","7","3","1","7","2","1","1") = "6"
    & skf21("3","7","3","1","7","2","2","1") = "6"
    & skf21("3","7","3","1","7","2","3","1") = "6"
    & skf21("3","7","3","1","7","2","4","1") = "6"
    & skf21("3","7","3","1","7","2","5","1") = "6"
    & skf21("3","7","3","1","7","2","6","1") = "6"
    & skf21("3","7","3","1","7","2","7","1") = "6"
    & skf21("3","7","3","1","7","3","1","1") = "6"
    & skf21("3","7","3","1","7","3","2","1") = "6"
    & skf21("3","7","3","1","7","3","3","1") = "6"
    & skf21("3","7","3","1","7","3","4","1") = "6"
    & skf21("3","7","3","1","7","3","5","1") = "6"
    & skf21("3","7","3","1","7","3","6","1") = "6"
    & skf21("3","7","3","1","7","3","7","1") = "6"
    & skf21("3","7","3","1","7","4","1","1") = "6"
    & skf21("3","7","3","1","7","4","2","1") = "6"
    & skf21("3","7","3","1","7","4","3","1") = "6"
    & skf21("3","7","3","1","7","4","4","1") = "6"
    & skf21("3","7","3","1","7","4","5","1") = "6"
    & skf21("3","7","3","1","7","4","6","1") = "6"
    & skf21("3","7","3","1","7","4","7","1") = "6"
    & skf21("3","7","3","1","7","5","1","1") = "6"
    & skf21("3","7","3","1","7","5","2","1") = "6"
    & skf21("3","7","3","1","7","5","3","1") = "6"
    & skf21("3","7","3","1","7","5","4","1") = "6"
    & skf21("3","7","3","1","7","5","5","1") = "6"
    & skf21("3","7","3","1","7","5","6","1") = "6"
    & skf21("3","7","3","1","7","5","7","1") = "6"
    & skf21("3","7","3","1","7","6","1","1") = "6"
    & skf21("3","7","3","1","7","6","2","1") = "6"
    & skf21("3","7","3","1","7","6","3","1") = "6"
    & skf21("3","7","3","1","7","6","4","1") = "6"
    & skf21("3","7","3","1","7","6","5","1") = "6"
    & skf21("3","7","3","1","7","6","6","1") = "6"
    & skf21("3","7","3","1","7","6","7","1") = "6"
    & skf21("3","7","3","1","7","7","1","1") = "6"
    & skf21("3","7","3","1","7","7","2","1") = "6"
    & skf21("3","7","3","1","7","7","3","1") = "6"
    & skf21("3","7","3","1","7","7","4","1") = "6"
    & skf21("3","7","3","1","7","7","5","1") = "6"
    & skf21("3","7","3","1","7","7","6","1") = "6"
    & skf21("3","7","3","1","7","7","7","1") = "6"
    & skf21("3","7","3","2","1","1","1","1") = "6"
    & skf21("3","7","3","2","1","1","2","1") = "6"
    & skf21("3","7","3","2","1","1","3","1") = "6"
    & skf21("3","7","3","2","1","1","4","1") = "6"
    & skf21("3","7","3","2","1","1","5","1") = "6"
    & skf21("3","7","3","2","1","1","6","1") = "6"
    & skf21("3","7","3","2","1","1","7","1") = "6"
    & skf21("3","7","3","2","1","2","1","1") = "6"
    & skf21("3","7","3","2","1","2","2","1") = "6"
    & skf21("3","7","3","2","1","2","3","1") = "6"
    & skf21("3","7","3","2","1","2","4","1") = "6"
    & skf21("3","7","3","2","1","2","5","1") = "6"
    & skf21("3","7","3","2","1","2","6","1") = "6"
    & skf21("3","7","3","2","1","2","7","1") = "6"
    & skf21("3","7","3","2","1","3","1","1") = "6"
    & skf21("3","7","3","2","1","3","2","1") = "6"
    & skf21("3","7","3","2","1","3","3","1") = "6"
    & skf21("3","7","3","2","1","3","4","1") = "6"
    & skf21("3","7","3","2","1","3","5","1") = "6"
    & skf21("3","7","3","2","1","3","6","1") = "6"
    & skf21("3","7","3","2","1","3","7","1") = "6"
    & skf21("3","7","3","2","1","4","1","1") = "6"
    & skf21("3","7","3","2","1","4","2","1") = "6"
    & skf21("3","7","3","2","1","4","3","1") = "6"
    & skf21("3","7","3","2","1","4","4","1") = "6"
    & skf21("3","7","3","2","1","4","5","1") = "6"
    & skf21("3","7","3","2","1","4","6","1") = "6"
    & skf21("3","7","3","2","1","4","7","1") = "6"
    & skf21("3","7","3","2","1","5","1","1") = "6"
    & skf21("3","7","3","2","1","5","2","1") = "6"
    & skf21("3","7","3","2","1","5","3","1") = "6"
    & skf21("3","7","3","2","1","5","4","1") = "6"
    & skf21("3","7","3","2","1","5","5","1") = "6"
    & skf21("3","7","3","2","1","5","6","1") = "6"
    & skf21("3","7","3","2","1","5","7","1") = "6"
    & skf21("3","7","3","2","1","6","1","1") = "6"
    & skf21("3","7","3","2","1","6","2","1") = "6"
    & skf21("3","7","3","2","1","6","3","1") = "6"
    & skf21("3","7","3","2","1","6","4","1") = "6"
    & skf21("3","7","3","2","1","6","5","1") = "6"
    & skf21("3","7","3","2","1","6","6","1") = "6"
    & skf21("3","7","3","2","1","6","7","1") = "6"
    & skf21("3","7","3","2","1","7","1","1") = "6"
    & skf21("3","7","3","2","1","7","2","1") = "6"
    & skf21("3","7","3","2","1","7","3","1") = "6"
    & skf21("3","7","3","2","1","7","4","1") = "6"
    & skf21("3","7","3","2","1","7","5","1") = "6"
    & skf21("3","7","3","2","1","7","6","1") = "6"
    & skf21("3","7","3","2","1","7","7","1") = "6"
    & skf21("3","7","3","2","2","1","1","1") = "6"
    & skf21("3","7","3","2","2","1","2","1") = "6"
    & skf21("3","7","3","2","2","1","3","1") = "6"
    & skf21("3","7","3","2","2","1","4","1") = "6"
    & skf21("3","7","3","2","2","1","5","1") = "6"
    & skf21("3","7","3","2","2","1","6","1") = "6"
    & skf21("3","7","3","2","2","1","7","1") = "6"
    & skf21("3","7","3","2","2","2","1","1") = "6"
    & skf21("3","7","3","2","2","2","2","1") = "6"
    & skf21("3","7","3","2","2","2","3","1") = "6"
    & skf21("3","7","3","2","2","2","4","1") = "6"
    & skf21("3","7","3","2","2","2","5","1") = "6"
    & skf21("3","7","3","2","2","2","6","1") = "6"
    & skf21("3","7","3","2","2","2","7","1") = "6"
    & skf21("3","7","3","2","2","3","1","1") = "6"
    & skf21("3","7","3","2","2","3","2","1") = "6"
    & skf21("3","7","3","2","2","3","3","1") = "6"
    & skf21("3","7","3","2","2","3","4","1") = "6"
    & skf21("3","7","3","2","2","3","5","1") = "6"
    & skf21("3","7","3","2","2","3","6","1") = "6"
    & skf21("3","7","3","2","2","3","7","1") = "6"
    & skf21("3","7","3","2","2","4","1","1") = "6"
    & skf21("3","7","3","2","2","4","2","1") = "6"
    & skf21("3","7","3","2","2","4","3","1") = "6"
    & skf21("3","7","3","2","2","4","4","1") = "6"
    & skf21("3","7","3","2","2","4","5","1") = "6"
    & skf21("3","7","3","2","2","4","6","1") = "6"
    & skf21("3","7","3","2","2","4","7","1") = "6"
    & skf21("3","7","3","2","2","5","1","1") = "6"
    & skf21("3","7","3","2","2","5","2","1") = "6"
    & skf21("3","7","3","2","2","5","3","1") = "6"
    & skf21("3","7","3","2","2","5","4","1") = "6"
    & skf21("3","7","3","2","2","5","5","1") = "6"
    & skf21("3","7","3","2","2","5","6","1") = "6"
    & skf21("3","7","3","2","2","5","7","1") = "6"
    & skf21("3","7","3","2","2","6","1","1") = "6"
    & skf21("3","7","3","2","2","6","2","1") = "6"
    & skf21("3","7","3","2","2","6","3","1") = "6"
    & skf21("3","7","3","2","2","6","4","1") = "6"
    & skf21("3","7","3","2","2","6","5","1") = "6"
    & skf21("3","7","3","2","2","6","6","1") = "6"
    & skf21("3","7","3","2","2","6","7","1") = "6"
    & skf21("3","7","3","2","2","7","1","1") = "6"
    & skf21("3","7","3","2","2","7","2","1") = "6"
    & skf21("3","7","3","2","2","7","3","1") = "6"
    & skf21("3","7","3","2","2","7","4","1") = "6"
    & skf21("3","7","3","2","2","7","5","1") = "6"
    & skf21("3","7","3","2","2","7","6","1") = "6"
    & skf21("3","7","3","2","2","7","7","1") = "6"
    & skf21("3","7","3","2","3","1","1","1") = "6"
    & skf21("3","7","3","2","3","1","2","1") = "6"
    & skf21("3","7","3","2","3","1","3","1") = "6"
    & skf21("3","7","3","2","3","1","4","1") = "6"
    & skf21("3","7","3","2","3","1","5","1") = "6"
    & skf21("3","7","3","2","3","1","6","1") = "6"
    & skf21("3","7","3","2","3","1","7","1") = "6"
    & skf21("3","7","3","2","3","2","1","1") = "6"
    & skf21("3","7","3","2","3","2","2","1") = "6"
    & skf21("3","7","3","2","3","2","3","1") = "6"
    & skf21("3","7","3","2","3","2","4","1") = "6"
    & skf21("3","7","3","2","3","2","5","1") = "6"
    & skf21("3","7","3","2","3","2","6","1") = "6"
    & skf21("3","7","3","2","3","2","7","1") = "6"
    & skf21("3","7","3","2","3","3","1","1") = "6"
    & skf21("3","7","3","2","3","3","2","1") = "6"
    & skf21("3","7","3","2","3","3","3","1") = "6"
    & skf21("3","7","3","2","3","3","4","1") = "6"
    & skf21("3","7","3","2","3","3","5","1") = "6"
    & skf21("3","7","3","2","3","3","6","1") = "6"
    & skf21("3","7","3","2","3","3","7","1") = "6"
    & skf21("3","7","3","2","3","4","1","1") = "6"
    & skf21("3","7","3","2","3","4","2","1") = "6"
    & skf21("3","7","3","2","3","4","3","1") = "6"
    & skf21("3","7","3","2","3","4","4","1") = "6"
    & skf21("3","7","3","2","3","4","5","1") = "6"
    & skf21("3","7","3","2","3","4","6","1") = "6"
    & skf21("3","7","3","2","3","4","7","1") = "6"
    & skf21("3","7","3","2","3","5","1","1") = "6"
    & skf21("3","7","3","2","3","5","2","1") = "6"
    & skf21("3","7","3","2","3","5","3","1") = "6"
    & skf21("3","7","3","2","3","5","4","1") = "6"
    & skf21("3","7","3","2","3","5","5","1") = "6"
    & skf21("3","7","3","2","3","5","6","1") = "6"
    & skf21("3","7","3","2","3","5","7","1") = "6"
    & skf21("3","7","3","2","3","6","1","1") = "6"
    & skf21("3","7","3","2","3","6","2","1") = "6"
    & skf21("3","7","3","2","3","6","3","1") = "6"
    & skf21("3","7","3","2","3","6","4","1") = "6"
    & skf21("3","7","3","2","3","6","5","1") = "6"
    & skf21("3","7","3","2","3","6","6","1") = "6"
    & skf21("3","7","3","2","3","6","7","1") = "6"
    & skf21("3","7","3","2","3","7","1","1") = "6"
    & skf21("3","7","3","2","3","7","2","1") = "6"
    & skf21("3","7","3","2","3","7","3","1") = "6"
    & skf21("3","7","3","2","3","7","4","1") = "6"
    & skf21("3","7","3","2","3","7","5","1") = "6"
    & skf21("3","7","3","2","3","7","6","1") = "6"
    & skf21("3","7","3","2","3","7","7","1") = "6"
    & skf21("3","7","3","2","4","1","1","1") = "6"
    & skf21("3","7","3","2","4","1","2","1") = "6"
    & skf21("3","7","3","2","4","1","3","1") = "6"
    & skf21("3","7","3","2","4","1","4","1") = "6"
    & skf21("3","7","3","2","4","1","5","1") = "6"
    & skf21("3","7","3","2","4","1","6","1") = "6"
    & skf21("3","7","3","2","4","1","7","1") = "6"
    & skf21("3","7","3","2","4","2","1","1") = "6"
    & skf21("3","7","3","2","4","2","2","1") = "6"
    & skf21("3","7","3","2","4","2","3","1") = "6"
    & skf21("3","7","3","2","4","2","4","1") = "6"
    & skf21("3","7","3","2","4","2","5","1") = "6"
    & skf21("3","7","3","2","4","2","6","1") = "6"
    & skf21("3","7","3","2","4","2","7","1") = "6"
    & skf21("3","7","3","2","4","3","1","1") = "6"
    & skf21("3","7","3","2","4","3","2","1") = "6"
    & skf21("3","7","3","2","4","3","3","1") = "6"
    & skf21("3","7","3","2","4","3","4","1") = "6"
    & skf21("3","7","3","2","4","3","5","1") = "6"
    & skf21("3","7","3","2","4","3","6","1") = "6"
    & skf21("3","7","3","2","4","3","7","1") = "6"
    & skf21("3","7","3","2","4","4","1","1") = "6"
    & skf21("3","7","3","2","4","4","2","1") = "6"
    & skf21("3","7","3","2","4","4","3","1") = "6"
    & skf21("3","7","3","2","4","4","4","1") = "6"
    & skf21("3","7","3","2","4","4","5","1") = "6"
    & skf21("3","7","3","2","4","4","6","1") = "6"
    & skf21("3","7","3","2","4","4","7","1") = "6"
    & skf21("3","7","3","2","4","5","1","1") = "6"
    & skf21("3","7","3","2","4","5","2","1") = "6"
    & skf21("3","7","3","2","4","5","3","1") = "6"
    & skf21("3","7","3","2","4","5","4","1") = "6"
    & skf21("3","7","3","2","4","5","5","1") = "6"
    & skf21("3","7","3","2","4","5","6","1") = "6"
    & skf21("3","7","3","2","4","5","7","1") = "6"
    & skf21("3","7","3","2","4","6","1","1") = "6"
    & skf21("3","7","3","2","4","6","2","1") = "6"
    & skf21("3","7","3","2","4","6","3","1") = "6"
    & skf21("3","7","3","2","4","6","4","1") = "6"
    & skf21("3","7","3","2","4","6","5","1") = "6"
    & skf21("3","7","3","2","4","6","6","1") = "6"
    & skf21("3","7","3","2","4","6","7","1") = "6"
    & skf21("3","7","3","2","4","7","1","1") = "6"
    & skf21("3","7","3","2","4","7","2","1") = "6"
    & skf21("3","7","3","2","4","7","3","1") = "6"
    & skf21("3","7","3","2","4","7","4","1") = "6"
    & skf21("3","7","3","2","4","7","5","1") = "6"
    & skf21("3","7","3","2","4","7","6","1") = "6"
    & skf21("3","7","3","2","4","7","7","1") = "6"
    & skf21("3","7","3","2","5","1","1","1") = "6"
    & skf21("3","7","3","2","5","1","2","1") = "6"
    & skf21("3","7","3","2","5","1","3","1") = "6"
    & skf21("3","7","3","2","5","1","4","1") = "6"
    & skf21("3","7","3","2","5","1","5","1") = "6"
    & skf21("3","7","3","2","5","1","6","1") = "6"
    & skf21("3","7","3","2","5","1","7","1") = "6"
    & skf21("3","7","3","2","5","2","1","1") = "6"
    & skf21("3","7","3","2","5","2","2","1") = "6"
    & skf21("3","7","3","2","5","2","3","1") = "6"
    & skf21("3","7","3","2","5","2","4","1") = "6"
    & skf21("3","7","3","2","5","2","5","1") = "6"
    & skf21("3","7","3","2","5","2","6","1") = "6"
    & skf21("3","7","3","2","5","2","7","1") = "6"
    & skf21("3","7","3","2","5","3","1","1") = "6"
    & skf21("3","7","3","2","5","3","2","1") = "6"
    & skf21("3","7","3","2","5","3","3","1") = "6"
    & skf21("3","7","3","2","5","3","4","1") = "6"
    & skf21("3","7","3","2","5","3","5","1") = "6"
    & skf21("3","7","3","2","5","3","6","1") = "6"
    & skf21("3","7","3","2","5","3","7","1") = "6"
    & skf21("3","7","3","2","5","4","1","1") = "6"
    & skf21("3","7","3","2","5","4","2","1") = "6"
    & skf21("3","7","3","2","5","4","3","1") = "6"
    & skf21("3","7","3","2","5","4","4","1") = "6"
    & skf21("3","7","3","2","5","4","5","1") = "6"
    & skf21("3","7","3","2","5","4","6","1") = "6"
    & skf21("3","7","3","2","5","4","7","1") = "6"
    & skf21("3","7","3","2","5","5","1","1") = "6"
    & skf21("3","7","3","2","5","5","2","1") = "6"
    & skf21("3","7","3","2","5","5","3","1") = "6"
    & skf21("3","7","3","2","5","5","4","1") = "6"
    & skf21("3","7","3","2","5","5","5","1") = "6"
    & skf21("3","7","3","2","5","5","6","1") = "6"
    & skf21("3","7","3","2","5","5","7","1") = "6"
    & skf21("3","7","3","2","5","6","1","1") = "6"
    & skf21("3","7","3","2","5","6","2","1") = "6"
    & skf21("3","7","3","2","5","6","3","1") = "6"
    & skf21("3","7","3","2","5","6","4","1") = "6"
    & skf21("3","7","3","2","5","6","5","1") = "6"
    & skf21("3","7","3","2","5","6","6","1") = "6"
    & skf21("3","7","3","2","5","6","7","1") = "6"
    & skf21("3","7","3","2","5","7","1","1") = "6"
    & skf21("3","7","3","2","5","7","2","1") = "6"
    & skf21("3","7","3","2","5","7","3","1") = "6"
    & skf21("3","7","3","2","5","7","4","1") = "6"
    & skf21("3","7","3","2","5","7","5","1") = "6"
    & skf21("3","7","3","2","5","7","6","1") = "6"
    & skf21("3","7","3","2","5","7","7","1") = "6"
    & skf21("3","7","3","2","6","1","1","1") = "6"
    & skf21("3","7","3","2","6","1","2","1") = "6"
    & skf21("3","7","3","2","6","1","3","1") = "6"
    & skf21("3","7","3","2","6","1","4","1") = "6"
    & skf21("3","7","3","2","6","1","5","1") = "6"
    & skf21("3","7","3","2","6","1","6","1") = "6"
    & skf21("3","7","3","2","6","1","7","1") = "6"
    & skf21("3","7","3","2","6","2","1","1") = "6"
    & skf21("3","7","3","2","6","2","2","1") = "6"
    & skf21("3","7","3","2","6","2","3","1") = "6"
    & skf21("3","7","3","2","6","2","4","1") = "6"
    & skf21("3","7","3","2","6","2","5","1") = "6"
    & skf21("3","7","3","2","6","2","6","1") = "6"
    & skf21("3","7","3","2","6","2","7","1") = "6"
    & skf21("3","7","3","2","6","3","1","1") = "6"
    & skf21("3","7","3","2","6","3","2","1") = "6"
    & skf21("3","7","3","2","6","3","3","1") = "6"
    & skf21("3","7","3","2","6","3","4","1") = "6"
    & skf21("3","7","3","2","6","3","5","1") = "6"
    & skf21("3","7","3","2","6","3","6","1") = "6"
    & skf21("3","7","3","2","6","3","7","1") = "6"
    & skf21("3","7","3","2","6","4","1","1") = "6"
    & skf21("3","7","3","2","6","4","2","1") = "6"
    & skf21("3","7","3","2","6","4","3","1") = "6"
    & skf21("3","7","3","2","6","4","4","1") = "6"
    & skf21("3","7","3","2","6","4","5","1") = "6"
    & skf21("3","7","3","2","6","4","6","1") = "6"
    & skf21("3","7","3","2","6","4","7","1") = "6"
    & skf21("3","7","3","2","6","5","1","1") = "6"
    & skf21("3","7","3","2","6","5","2","1") = "6"
    & skf21("3","7","3","2","6","5","3","1") = "6"
    & skf21("3","7","3","2","6","5","4","1") = "6"
    & skf21("3","7","3","2","6","5","5","1") = "6"
    & skf21("3","7","3","2","6","5","6","1") = "6"
    & skf21("3","7","3","2","6","5","7","1") = "6"
    & skf21("3","7","3","2","6","6","1","1") = "6"
    & skf21("3","7","3","2","6","6","2","1") = "6"
    & skf21("3","7","3","2","6","6","3","1") = "6"
    & skf21("3","7","3","2","6","6","4","1") = "6"
    & skf21("3","7","3","2","6","6","5","1") = "6"
    & skf21("3","7","3","2","6","6","6","1") = "6"
    & skf21("3","7","3","2","6","6","7","1") = "6"
    & skf21("3","7","3","2","6","7","1","1") = "6"
    & skf21("3","7","3","2","6","7","2","1") = "6"
    & skf21("3","7","3","2","6","7","3","1") = "6"
    & skf21("3","7","3","2","6","7","4","1") = "6"
    & skf21("3","7","3","2","6","7","5","1") = "6"
    & skf21("3","7","3","2","6","7","6","1") = "6"
    & skf21("3","7","3","2","6","7","7","1") = "6"
    & skf21("3","7","3","2","7","1","1","1") = "6"
    & skf21("3","7","3","2","7","1","2","1") = "6"
    & skf21("3","7","3","2","7","1","3","1") = "6"
    & skf21("3","7","3","2","7","1","4","1") = "6"
    & skf21("3","7","3","2","7","1","5","1") = "6"
    & skf21("3","7","3","2","7","1","6","1") = "6"
    & skf21("3","7","3","2","7","1","7","1") = "6"
    & skf21("3","7","3","2","7","2","1","1") = "6"
    & skf21("3","7","3","2","7","2","2","1") = "6"
    & skf21("3","7","3","2","7","2","3","1") = "6"
    & skf21("3","7","3","2","7","2","4","1") = "6"
    & skf21("3","7","3","2","7","2","5","1") = "6"
    & skf21("3","7","3","2","7","2","6","1") = "6"
    & skf21("3","7","3","2","7","2","7","1") = "6"
    & skf21("3","7","3","2","7","3","1","1") = "6"
    & skf21("3","7","3","2","7","3","2","1") = "6"
    & skf21("3","7","3","2","7","3","3","1") = "6"
    & skf21("3","7","3","2","7","3","4","1") = "6"
    & skf21("3","7","3","2","7","3","5","1") = "6"
    & skf21("3","7","3","2","7","3","6","1") = "6"
    & skf21("3","7","3","2","7","3","7","1") = "6"
    & skf21("3","7","3","2","7","4","1","1") = "6"
    & skf21("3","7","3","2","7","4","2","1") = "6"
    & skf21("3","7","3","2","7","4","3","1") = "6"
    & skf21("3","7","3","2","7","4","4","1") = "6"
    & skf21("3","7","3","2","7","4","5","1") = "6"
    & skf21("3","7","3","2","7","4","6","1") = "6"
    & skf21("3","7","3","2","7","4","7","1") = "6"
    & skf21("3","7","3","2","7","5","1","1") = "6"
    & skf21("3","7","3","2","7","5","2","1") = "6"
    & skf21("3","7","3","2","7","5","3","1") = "6"
    & skf21("3","7","3","2","7","5","4","1") = "6"
    & skf21("3","7","3","2","7","5","5","1") = "6"
    & skf21("3","7","3","2","7","5","6","1") = "6"
    & skf21("3","7","3","2","7","5","7","1") = "6"
    & skf21("3","7","3","2","7","6","1","1") = "6"
    & skf21("3","7","3","2","7","6","2","1") = "6"
    & skf21("3","7","3","2","7","6","3","1") = "6"
    & skf21("3","7","3","2","7","6","4","1") = "6"
    & skf21("3","7","3","2","7","6","5","1") = "6"
    & skf21("3","7","3","2","7","6","6","1") = "6"
    & skf21("3","7","3","2","7","6","7","1") = "6"
    & skf21("3","7","3","2","7","7","1","1") = "6"
    & skf21("3","7","3","2","7","7","2","1") = "6"
    & skf21("3","7","3","2","7","7","3","1") = "6"
    & skf21("3","7","3","2","7","7","4","1") = "6"
    & skf21("3","7","3","2","7","7","5","1") = "6"
    & skf21("3","7","3","2","7","7","6","1") = "6"
    & skf21("3","7","3","2","7","7","7","1") = "6"
    & skf21("3","7","3","3","1","1","1","1") = "6"
    & skf21("3","7","3","3","1","1","2","1") = "6"
    & skf21("3","7","3","3","1","1","3","1") = "6"
    & skf21("3","7","3","3","1","1","4","1") = "6"
    & skf21("3","7","3","3","1","1","5","1") = "6"
    & skf21("3","7","3","3","1","1","6","1") = "6"
    & skf21("3","7","3","3","1","1","7","1") = "6"
    & skf21("3","7","3","3","1","2","1","1") = "6"
    & skf21("3","7","3","3","1","2","2","1") = "6"
    & skf21("3","7","3","3","1","2","3","1") = "6"
    & skf21("3","7","3","3","1","2","4","1") = "6"
    & skf21("3","7","3","3","1","2","5","1") = "6"
    & skf21("3","7","3","3","1","2","6","1") = "6"
    & skf21("3","7","3","3","1","2","7","1") = "6"
    & skf21("3","7","3","3","1","3","1","1") = "6"
    & skf21("3","7","3","3","1","3","2","1") = "6"
    & skf21("3","7","3","3","1","3","3","1") = "6"
    & skf21("3","7","3","3","1","3","4","1") = "6"
    & skf21("3","7","3","3","1","3","5","1") = "6"
    & skf21("3","7","3","3","1","3","6","1") = "6"
    & skf21("3","7","3","3","1","3","7","1") = "6"
    & skf21("3","7","3","3","1","4","1","1") = "6"
    & skf21("3","7","3","3","1","4","2","1") = "6"
    & skf21("3","7","3","3","1","4","3","1") = "6"
    & skf21("3","7","3","3","1","4","4","1") = "6"
    & skf21("3","7","3","3","1","4","5","1") = "6"
    & skf21("3","7","3","3","1","4","6","1") = "6"
    & skf21("3","7","3","3","1","4","7","1") = "6"
    & skf21("3","7","3","3","1","5","1","1") = "6"
    & skf21("3","7","3","3","1","5","2","1") = "6"
    & skf21("3","7","3","3","1","5","3","1") = "6"
    & skf21("3","7","3","3","1","5","4","1") = "6"
    & skf21("3","7","3","3","1","5","5","1") = "6"
    & skf21("3","7","3","3","1","5","6","1") = "6"
    & skf21("3","7","3","3","1","5","7","1") = "6"
    & skf21("3","7","3","3","1","6","1","1") = "6"
    & skf21("3","7","3","3","1","6","2","1") = "6"
    & skf21("3","7","3","3","1","6","3","1") = "6"
    & skf21("3","7","3","3","1","6","4","1") = "6"
    & skf21("3","7","3","3","1","6","5","1") = "6"
    & skf21("3","7","3","3","1","6","6","1") = "6"
    & skf21("3","7","3","3","1","6","7","1") = "6"
    & skf21("3","7","3","3","1","7","1","1") = "6"
    & skf21("3","7","3","3","1","7","2","1") = "6"
    & skf21("3","7","3","3","1","7","3","1") = "6"
    & skf21("3","7","3","3","1","7","4","1") = "6"
    & skf21("3","7","3","3","1","7","5","1") = "6"
    & skf21("3","7","3","3","1","7","6","1") = "6"
    & skf21("3","7","3","3","1","7","7","1") = "6"
    & skf21("3","7","3","3","2","1","1","1") = "6"
    & skf21("3","7","3","3","2","1","2","1") = "6"
    & skf21("3","7","3","3","2","1","3","1") = "6"
    & skf21("3","7","3","3","2","1","4","1") = "6"
    & skf21("3","7","3","3","2","1","5","1") = "6"
    & skf21("3","7","3","3","2","1","6","1") = "6"
    & skf21("3","7","3","3","2","1","7","1") = "6"
    & skf21("3","7","3","3","2","2","1","1") = "6"
    & skf21("3","7","3","3","2","2","2","1") = "6"
    & skf21("3","7","3","3","2","2","3","1") = "6"
    & skf21("3","7","3","3","2","2","4","1") = "6"
    & skf21("3","7","3","3","2","2","5","1") = "6"
    & skf21("3","7","3","3","2","2","6","1") = "6"
    & skf21("3","7","3","3","2","2","7","1") = "6"
    & skf21("3","7","3","3","2","3","1","1") = "6"
    & skf21("3","7","3","3","2","3","2","1") = "6"
    & skf21("3","7","3","3","2","3","3","1") = "6"
    & skf21("3","7","3","3","2","3","4","1") = "6"
    & skf21("3","7","3","3","2","3","5","1") = "6"
    & skf21("3","7","3","3","2","3","6","1") = "6"
    & skf21("3","7","3","3","2","3","7","1") = "6"
    & skf21("3","7","3","3","2","4","1","1") = "6"
    & skf21("3","7","3","3","2","4","2","1") = "6"
    & skf21("3","7","3","3","2","4","3","1") = "6"
    & skf21("3","7","3","3","2","4","4","1") = "6"
    & skf21("3","7","3","3","2","4","5","1") = "6"
    & skf21("3","7","3","3","2","4","6","1") = "6"
    & skf21("3","7","3","3","2","4","7","1") = "6"
    & skf21("3","7","3","3","2","5","1","1") = "6"
    & skf21("3","7","3","3","2","5","2","1") = "6"
    & skf21("3","7","3","3","2","5","3","1") = "6"
    & skf21("3","7","3","3","2","5","4","1") = "6"
    & skf21("3","7","3","3","2","5","5","1") = "6"
    & skf21("3","7","3","3","2","5","6","1") = "6"
    & skf21("3","7","3","3","2","5","7","1") = "6"
    & skf21("3","7","3","3","2","6","1","1") = "6"
    & skf21("3","7","3","3","2","6","2","1") = "6"
    & skf21("3","7","3","3","2","6","3","1") = "6"
    & skf21("3","7","3","3","2","6","4","1") = "6"
    & skf21("3","7","3","3","2","6","5","1") = "6"
    & skf21("3","7","3","3","2","6","6","1") = "6"
    & skf21("3","7","3","3","2","6","7","1") = "6"
    & skf21("3","7","3","3","2","7","1","1") = "6"
    & skf21("3","7","3","3","2","7","2","1") = "6"
    & skf21("3","7","3","3","2","7","3","1") = "6"
    & skf21("3","7","3","3","2","7","4","1") = "6"
    & skf21("3","7","3","3","2","7","5","1") = "6"
    & skf21("3","7","3","3","2","7","6","1") = "6"
    & skf21("3","7","3","3","2","7","7","1") = "6"
    & skf21("3","7","3","3","3","1","1","1") = "6"
    & skf21("3","7","3","3","3","1","2","1") = "6"
    & skf21("3","7","3","3","3","1","3","1") = "6"
    & skf21("3","7","3","3","3","1","4","1") = "6"
    & skf21("3","7","3","3","3","1","5","1") = "6"
    & skf21("3","7","3","3","3","1","6","1") = "6"
    & skf21("3","7","3","3","3","1","7","1") = "6"
    & skf21("3","7","3","3","3","2","1","1") = "6"
    & skf21("3","7","3","3","3","2","2","1") = "6"
    & skf21("3","7","3","3","3","2","3","1") = "6"
    & skf21("3","7","3","3","3","2","4","1") = "6"
    & skf21("3","7","3","3","3","2","5","1") = "6"
    & skf21("3","7","3","3","3","2","6","1") = "6"
    & skf21("3","7","3","3","3","2","7","1") = "6"
    & skf21("3","7","3","3","3","3","1","1") = "6"
    & skf21("3","7","3","3","3","3","2","1") = "6"
    & skf21("3","7","3","3","3","3","3","1") = "6"
    & skf21("3","7","3","3","3","3","4","1") = "6"
    & skf21("3","7","3","3","3","3","5","1") = "6"
    & skf21("3","7","3","3","3","3","6","1") = "6"
    & skf21("3","7","3","3","3","3","7","1") = "6"
    & skf21("3","7","3","3","3","4","1","1") = "6"
    & skf21("3","7","3","3","3","4","2","1") = "6"
    & skf21("3","7","3","3","3","4","3","1") = "6"
    & skf21("3","7","3","3","3","4","4","1") = "6"
    & skf21("3","7","3","3","3","4","5","1") = "6"
    & skf21("3","7","3","3","3","4","6","1") = "6"
    & skf21("3","7","3","3","3","4","7","1") = "6"
    & skf21("3","7","3","3","3","5","1","1") = "6"
    & skf21("3","7","3","3","3","5","2","1") = "6"
    & skf21("3","7","3","3","3","5","3","1") = "6"
    & skf21("3","7","3","3","3","5","4","1") = "6"
    & skf21("3","7","3","3","3","5","5","1") = "6"
    & skf21("3","7","3","3","3","5","6","1") = "6"
    & skf21("3","7","3","3","3","5","7","1") = "6"
    & skf21("3","7","3","3","3","6","1","1") = "6"
    & skf21("3","7","3","3","3","6","2","1") = "6"
    & skf21("3","7","3","3","3","6","3","1") = "6"
    & skf21("3","7","3","3","3","6","4","1") = "6"
    & skf21("3","7","3","3","3","6","5","1") = "6"
    & skf21("3","7","3","3","3","6","6","1") = "6"
    & skf21("3","7","3","3","3","6","7","1") = "6"
    & skf21("3","7","3","3","3","7","1","1") = "6"
    & skf21("3","7","3","3","3","7","2","1") = "6"
    & skf21("3","7","3","3","3","7","3","1") = "6"
    & skf21("3","7","3","3","3","7","4","1") = "6"
    & skf21("3","7","3","3","3","7","5","1") = "6"
    & skf21("3","7","3","3","3","7","6","1") = "6"
    & skf21("3","7","3","3","3","7","7","1") = "6"
    & skf21("3","7","3","3","4","1","1","1") = "6"
    & skf21("3","7","3","3","4","1","2","1") = "6"
    & skf21("3","7","3","3","4","1","3","1") = "6"
    & skf21("3","7","3","3","4","1","4","1") = "6"
    & skf21("3","7","3","3","4","1","5","1") = "6"
    & skf21("3","7","3","3","4","1","6","1") = "6"
    & skf21("3","7","3","3","4","1","7","1") = "6"
    & skf21("3","7","3","3","4","2","1","1") = "6"
    & skf21("3","7","3","3","4","2","2","1") = "6"
    & skf21("3","7","3","3","4","2","3","1") = "6"
    & skf21("3","7","3","3","4","2","4","1") = "6"
    & skf21("3","7","3","3","4","2","5","1") = "6"
    & skf21("3","7","3","3","4","2","6","1") = "6"
    & skf21("3","7","3","3","4","2","7","1") = "6"
    & skf21("3","7","3","3","4","3","1","1") = "6"
    & skf21("3","7","3","3","4","3","2","1") = "6"
    & skf21("3","7","3","3","4","3","3","1") = "6"
    & skf21("3","7","3","3","4","3","4","1") = "6"
    & skf21("3","7","3","3","4","3","5","1") = "6"
    & skf21("3","7","3","3","4","3","6","1") = "6"
    & skf21("3","7","3","3","4","3","7","1") = "6"
    & skf21("3","7","3","3","4","4","1","1") = "6"
    & skf21("3","7","3","3","4","4","2","1") = "6"
    & skf21("3","7","3","3","4","4","3","1") = "6"
    & skf21("3","7","3","3","4","4","4","1") = "6"
    & skf21("3","7","3","3","4","4","5","1") = "6"
    & skf21("3","7","3","3","4","4","6","1") = "6"
    & skf21("3","7","3","3","4","4","7","1") = "6"
    & skf21("3","7","3","3","4","5","1","1") = "6"
    & skf21("3","7","3","3","4","5","2","1") = "6"
    & skf21("3","7","3","3","4","5","3","1") = "6"
    & skf21("3","7","3","3","4","5","4","1") = "6"
    & skf21("3","7","3","3","4","5","5","1") = "6"
    & skf21("3","7","3","3","4","5","6","1") = "6"
    & skf21("3","7","3","3","4","5","7","1") = "6"
    & skf21("3","7","3","3","4","6","1","1") = "6"
    & skf21("3","7","3","3","4","6","2","1") = "6"
    & skf21("3","7","3","3","4","6","3","1") = "6"
    & skf21("3","7","3","3","4","6","4","1") = "6"
    & skf21("3","7","3","3","4","6","5","1") = "6"
    & skf21("3","7","3","3","4","6","6","1") = "6"
    & skf21("3","7","3","3","4","6","7","1") = "6"
    & skf21("3","7","3","3","4","7","1","1") = "6"
    & skf21("3","7","3","3","4","7","2","1") = "6"
    & skf21("3","7","3","3","4","7","3","1") = "6"
    & skf21("3","7","3","3","4","7","4","1") = "6"
    & skf21("3","7","3","3","4","7","5","1") = "6"
    & skf21("3","7","3","3","4","7","6","1") = "6"
    & skf21("3","7","3","3","4","7","7","1") = "6"
    & skf21("3","7","3","3","5","1","1","1") = "6"
    & skf21("3","7","3","3","5","1","2","1") = "6"
    & skf21("3","7","3","3","5","1","3","1") = "6"
    & skf21("3","7","3","3","5","1","4","1") = "6"
    & skf21("3","7","3","3","5","1","5","1") = "6"
    & skf21("3","7","3","3","5","1","6","1") = "6"
    & skf21("3","7","3","3","5","1","7","1") = "6"
    & skf21("3","7","3","3","5","2","1","1") = "6"
    & skf21("3","7","3","3","5","2","2","1") = "6"
    & skf21("3","7","3","3","5","2","3","1") = "6"
    & skf21("3","7","3","3","5","2","4","1") = "6"
    & skf21("3","7","3","3","5","2","5","1") = "6"
    & skf21("3","7","3","3","5","2","6","1") = "6"
    & skf21("3","7","3","3","5","2","7","1") = "6"
    & skf21("3","7","3","3","5","3","1","1") = "6"
    & skf21("3","7","3","3","5","3","2","1") = "6"
    & skf21("3","7","3","3","5","3","3","1") = "6"
    & skf21("3","7","3","3","5","3","4","1") = "6"
    & skf21("3","7","3","3","5","3","5","1") = "6"
    & skf21("3","7","3","3","5","3","6","1") = "6"
    & skf21("3","7","3","3","5","3","7","1") = "6"
    & skf21("3","7","3","3","5","4","1","1") = "6"
    & skf21("3","7","3","3","5","4","2","1") = "6"
    & skf21("3","7","3","3","5","4","3","1") = "6"
    & skf21("3","7","3","3","5","4","4","1") = "6"
    & skf21("3","7","3","3","5","4","5","1") = "6"
    & skf21("3","7","3","3","5","4","6","1") = "6"
    & skf21("3","7","3","3","5","4","7","1") = "6"
    & skf21("3","7","3","3","5","5","1","1") = "6"
    & skf21("3","7","3","3","5","5","2","1") = "6"
    & skf21("3","7","3","3","5","5","3","1") = "6"
    & skf21("3","7","3","3","5","5","4","1") = "6"
    & skf21("3","7","3","3","5","5","5","1") = "6"
    & skf21("3","7","3","3","5","5","6","1") = "6"
    & skf21("3","7","3","3","5","5","7","1") = "6"
    & skf21("3","7","3","3","5","6","1","1") = "6"
    & skf21("3","7","3","3","5","6","2","1") = "6"
    & skf21("3","7","3","3","5","6","3","1") = "6"
    & skf21("3","7","3","3","5","6","4","1") = "6"
    & skf21("3","7","3","3","5","6","5","1") = "6"
    & skf21("3","7","3","3","5","6","6","1") = "6"
    & skf21("3","7","3","3","5","6","7","1") = "6"
    & skf21("3","7","3","3","5","7","1","1") = "6"
    & skf21("3","7","3","3","5","7","2","1") = "6"
    & skf21("3","7","3","3","5","7","3","1") = "6"
    & skf21("3","7","3","3","5","7","4","1") = "6"
    & skf21("3","7","3","3","5","7","5","1") = "6"
    & skf21("3","7","3","3","5","7","6","1") = "6"
    & skf21("3","7","3","3","5","7","7","1") = "6"
    & skf21("3","7","3","3","6","1","1","1") = "6"
    & skf21("3","7","3","3","6","1","2","1") = "6"
    & skf21("3","7","3","3","6","1","3","1") = "6"
    & skf21("3","7","3","3","6","1","4","1") = "6"
    & skf21("3","7","3","3","6","1","5","1") = "6"
    & skf21("3","7","3","3","6","1","6","1") = "6"
    & skf21("3","7","3","3","6","1","7","1") = "6"
    & skf21("3","7","3","3","6","2","1","1") = "6"
    & skf21("3","7","3","3","6","2","2","1") = "6"
    & skf21("3","7","3","3","6","2","3","1") = "6"
    & skf21("3","7","3","3","6","2","4","1") = "6"
    & skf21("3","7","3","3","6","2","5","1") = "6"
    & skf21("3","7","3","3","6","2","6","1") = "6"
    & skf21("3","7","3","3","6","2","7","1") = "6"
    & skf21("3","7","3","3","6","3","1","1") = "6"
    & skf21("3","7","3","3","6","3","2","1") = "6"
    & skf21("3","7","3","3","6","3","3","1") = "6"
    & skf21("3","7","3","3","6","3","4","1") = "6"
    & skf21("3","7","3","3","6","3","5","1") = "6"
    & skf21("3","7","3","3","6","3","6","1") = "6"
    & skf21("3","7","3","3","6","3","7","1") = "6"
    & skf21("3","7","3","3","6","4","1","1") = "6"
    & skf21("3","7","3","3","6","4","2","1") = "6"
    & skf21("3","7","3","3","6","4","3","1") = "6"
    & skf21("3","7","3","3","6","4","4","1") = "6"
    & skf21("3","7","3","3","6","4","5","1") = "6"
    & skf21("3","7","3","3","6","4","6","1") = "6"
    & skf21("3","7","3","3","6","4","7","1") = "6"
    & skf21("3","7","3","3","6","5","1","1") = "6"
    & skf21("3","7","3","3","6","5","2","1") = "6"
    & skf21("3","7","3","3","6","5","3","1") = "6"
    & skf21("3","7","3","3","6","5","4","1") = "6"
    & skf21("3","7","3","3","6","5","5","1") = "6"
    & skf21("3","7","3","3","6","5","6","1") = "6"
    & skf21("3","7","3","3","6","5","7","1") = "6"
    & skf21("3","7","3","3","6","6","1","1") = "6"
    & skf21("3","7","3","3","6","6","2","1") = "6"
    & skf21("3","7","3","3","6","6","3","1") = "6"
    & skf21("3","7","3","3","6","6","4","1") = "6"
    & skf21("3","7","3","3","6","6","5","1") = "6"
    & skf21("3","7","3","3","6","6","6","1") = "6"
    & skf21("3","7","3","3","6","6","7","1") = "6"
    & skf21("3","7","3","3","6","7","1","1") = "6"
    & skf21("3","7","3","3","6","7","2","1") = "6"
    & skf21("3","7","3","3","6","7","3","1") = "6"
    & skf21("3","7","3","3","6","7","4","1") = "6"
    & skf21("3","7","3","3","6","7","5","1") = "6"
    & skf21("3","7","3","3","6","7","6","1") = "6"
    & skf21("3","7","3","3","6","7","7","1") = "6"
    & skf21("3","7","3","3","7","1","1","1") = "6"
    & skf21("3","7","3","3","7","1","2","1") = "6"
    & skf21("3","7","3","3","7","1","3","1") = "6"
    & skf21("3","7","3","3","7","1","4","1") = "6"
    & skf21("3","7","3","3","7","1","5","1") = "6"
    & skf21("3","7","3","3","7","1","6","1") = "6"
    & skf21("3","7","3","3","7","1","7","1") = "6"
    & skf21("3","7","3","3","7","2","1","1") = "6"
    & skf21("3","7","3","3","7","2","2","1") = "6"
    & skf21("3","7","3","3","7","2","3","1") = "6"
    & skf21("3","7","3","3","7","2","4","1") = "6"
    & skf21("3","7","3","3","7","2","5","1") = "6"
    & skf21("3","7","3","3","7","2","6","1") = "6"
    & skf21("3","7","3","3","7","2","7","1") = "6"
    & skf21("3","7","3","3","7","3","1","1") = "6"
    & skf21("3","7","3","3","7","3","2","1") = "6"
    & skf21("3","7","3","3","7","3","3","1") = "6"
    & skf21("3","7","3","3","7","3","4","1") = "6"
    & skf21("3","7","3","3","7","3","5","1") = "6"
    & skf21("3","7","3","3","7","3","6","1") = "6"
    & skf21("3","7","3","3","7","3","7","1") = "6"
    & skf21("3","7","3","3","7","4","1","1") = "6"
    & skf21("3","7","3","3","7","4","2","1") = "6"
    & skf21("3","7","3","3","7","4","3","1") = "6"
    & skf21("3","7","3","3","7","4","4","1") = "6"
    & skf21("3","7","3","3","7","4","5","1") = "6"
    & skf21("3","7","3","3","7","4","6","1") = "6"
    & skf21("3","7","3","3","7","4","7","1") = "6"
    & skf21("3","7","3","3","7","5","1","1") = "6"
    & skf21("3","7","3","3","7","5","2","1") = "6"
    & skf21("3","7","3","3","7","5","3","1") = "6"
    & skf21("3","7","3","3","7","5","4","1") = "6"
    & skf21("3","7","3","3","7","5","5","1") = "6"
    & skf21("3","7","3","3","7","5","6","1") = "6"
    & skf21("3","7","3","3","7","5","7","1") = "6"
    & skf21("3","7","3","3","7","6","1","1") = "6"
    & skf21("3","7","3","3","7","6","2","1") = "6"
    & skf21("3","7","3","3","7","6","3","1") = "6"
    & skf21("3","7","3","3","7","6","4","1") = "6"
    & skf21("3","7","3","3","7","6","5","1") = "6"
    & skf21("3","7","3","3","7","6","6","1") = "6"
    & skf21("3","7","3","3","7","6","7","1") = "6"
    & skf21("3","7","3","3","7","7","1","1") = "6"
    & skf21("3","7","3","3","7","7","2","1") = "6"
    & skf21("3","7","3","3","7","7","3","1") = "6"
    & skf21("3","7","3","3","7","7","4","1") = "6"
    & skf21("3","7","3","3","7","7","5","1") = "6"
    & skf21("3","7","3","3","7","7","6","1") = "6"
    & skf21("3","7","3","3","7","7","7","1") = "6"
    & skf21("3","7","3","4","1","1","1","1") = "6"
    & skf21("3","7","3","4","1","1","2","1") = "6"
    & skf21("3","7","3","4","1","1","3","1") = "6"
    & skf21("3","7","3","4","1","1","4","1") = "6"
    & skf21("3","7","3","4","1","1","5","1") = "6"
    & skf21("3","7","3","4","1","1","6","1") = "6"
    & skf21("3","7","3","4","1","1","7","1") = "6"
    & skf21("3","7","3","4","1","2","1","1") = "6"
    & skf21("3","7","3","4","1","2","2","1") = "6"
    & skf21("3","7","3","4","1","2","3","1") = "6"
    & skf21("3","7","3","4","1","2","4","1") = "6"
    & skf21("3","7","3","4","1","2","5","1") = "6"
    & skf21("3","7","3","4","1","2","6","1") = "6"
    & skf21("3","7","3","4","1","2","7","1") = "6"
    & skf21("3","7","3","4","1","3","1","1") = "6"
    & skf21("3","7","3","4","1","3","2","1") = "6"
    & skf21("3","7","3","4","1","3","3","1") = "6"
    & skf21("3","7","3","4","1","3","4","1") = "6"
    & skf21("3","7","3","4","1","3","5","1") = "6"
    & skf21("3","7","3","4","1","3","6","1") = "6"
    & skf21("3","7","3","4","1","3","7","1") = "6"
    & skf21("3","7","3","4","1","4","1","1") = "6"
    & skf21("3","7","3","4","1","4","2","1") = "6"
    & skf21("3","7","3","4","1","4","3","1") = "6"
    & skf21("3","7","3","4","1","4","4","1") = "6"
    & skf21("3","7","3","4","1","4","5","1") = "6"
    & skf21("3","7","3","4","1","4","6","1") = "6"
    & skf21("3","7","3","4","1","4","7","1") = "6"
    & skf21("3","7","3","4","1","5","1","1") = "6"
    & skf21("3","7","3","4","1","5","2","1") = "6"
    & skf21("3","7","3","4","1","5","3","1") = "6"
    & skf21("3","7","3","4","1","5","4","1") = "6"
    & skf21("3","7","3","4","1","5","5","1") = "6"
    & skf21("3","7","3","4","1","5","6","1") = "6"
    & skf21("3","7","3","4","1","5","7","1") = "6"
    & skf21("3","7","3","4","1","6","1","1") = "6"
    & skf21("3","7","3","4","1","6","2","1") = "6"
    & skf21("3","7","3","4","1","6","3","1") = "6"
    & skf21("3","7","3","4","1","6","4","1") = "6"
    & skf21("3","7","3","4","1","6","5","1") = "6"
    & skf21("3","7","3","4","1","6","6","1") = "6"
    & skf21("3","7","3","4","1","6","7","1") = "6"
    & skf21("3","7","3","4","1","7","1","1") = "6"
    & skf21("3","7","3","4","1","7","2","1") = "6"
    & skf21("3","7","3","4","1","7","3","1") = "6"
    & skf21("3","7","3","4","1","7","4","1") = "6"
    & skf21("3","7","3","4","1","7","5","1") = "6"
    & skf21("3","7","3","4","1","7","6","1") = "6"
    & skf21("3","7","3","4","1","7","7","1") = "6"
    & skf21("3","7","3","4","2","1","1","1") = "6"
    & skf21("3","7","3","4","2","1","2","1") = "6"
    & skf21("3","7","3","4","2","1","3","1") = "6"
    & skf21("3","7","3","4","2","1","4","1") = "6"
    & skf21("3","7","3","4","2","1","5","1") = "6"
    & skf21("3","7","3","4","2","1","6","1") = "6"
    & skf21("3","7","3","4","2","1","7","1") = "6"
    & skf21("3","7","3","4","2","2","1","1") = "6"
    & skf21("3","7","3","4","2","2","2","1") = "6"
    & skf21("3","7","3","4","2","2","3","1") = "6"
    & skf21("3","7","3","4","2","2","4","1") = "6"
    & skf21("3","7","3","4","2","2","5","1") = "6"
    & skf21("3","7","3","4","2","2","6","1") = "6"
    & skf21("3","7","3","4","2","2","7","1") = "6"
    & skf21("3","7","3","4","2","3","1","1") = "6"
    & skf21("3","7","3","4","2","3","2","1") = "6"
    & skf21("3","7","3","4","2","3","3","1") = "6"
    & skf21("3","7","3","4","2","3","4","1") = "6"
    & skf21("3","7","3","4","2","3","5","1") = "6"
    & skf21("3","7","3","4","2","3","6","1") = "6"
    & skf21("3","7","3","4","2","3","7","1") = "6"
    & skf21("3","7","3","4","2","4","1","1") = "6"
    & skf21("3","7","3","4","2","4","2","1") = "6"
    & skf21("3","7","3","4","2","4","3","1") = "6"
    & skf21("3","7","3","4","2","4","4","1") = "6"
    & skf21("3","7","3","4","2","4","5","1") = "6"
    & skf21("3","7","3","4","2","4","6","1") = "6"
    & skf21("3","7","3","4","2","4","7","1") = "6"
    & skf21("3","7","3","4","2","5","1","1") = "6"
    & skf21("3","7","3","4","2","5","2","1") = "6"
    & skf21("3","7","3","4","2","5","3","1") = "6"
    & skf21("3","7","3","4","2","5","4","1") = "6"
    & skf21("3","7","3","4","2","5","5","1") = "6"
    & skf21("3","7","3","4","2","5","6","1") = "6"
    & skf21("3","7","3","4","2","5","7","1") = "6"
    & skf21("3","7","3","4","2","6","1","1") = "6"
    & skf21("3","7","3","4","2","6","2","1") = "6"
    & skf21("3","7","3","4","2","6","3","1") = "6"
    & skf21("3","7","3","4","2","6","4","1") = "6"
    & skf21("3","7","3","4","2","6","5","1") = "6"
    & skf21("3","7","3","4","2","6","6","1") = "6"
    & skf21("3","7","3","4","2","6","7","1") = "6"
    & skf21("3","7","3","4","2","7","1","1") = "6"
    & skf21("3","7","3","4","2","7","2","1") = "6"
    & skf21("3","7","3","4","2","7","3","1") = "6"
    & skf21("3","7","3","4","2","7","4","1") = "6"
    & skf21("3","7","3","4","2","7","5","1") = "6"
    & skf21("3","7","3","4","2","7","6","1") = "6"
    & skf21("3","7","3","4","2","7","7","1") = "6"
    & skf21("3","7","3","4","3","1","1","1") = "6"
    & skf21("3","7","3","4","3","1","2","1") = "6"
    & skf21("3","7","3","4","3","1","3","1") = "6"
    & skf21("3","7","3","4","3","1","4","1") = "6"
    & skf21("3","7","3","4","3","1","5","1") = "6"
    & skf21("3","7","3","4","3","1","6","1") = "6"
    & skf21("3","7","3","4","3","1","7","1") = "6"
    & skf21("3","7","3","4","3","2","1","1") = "6"
    & skf21("3","7","3","4","3","2","2","1") = "6"
    & skf21("3","7","3","4","3","2","3","1") = "6"
    & skf21("3","7","3","4","3","2","4","1") = "6"
    & skf21("3","7","3","4","3","2","5","1") = "6"
    & skf21("3","7","3","4","3","2","6","1") = "6"
    & skf21("3","7","3","4","3","2","7","1") = "6"
    & skf21("3","7","3","4","3","3","1","1") = "6"
    & skf21("3","7","3","4","3","3","2","1") = "6"
    & skf21("3","7","3","4","3","3","3","1") = "6"
    & skf21("3","7","3","4","3","3","4","1") = "6"
    & skf21("3","7","3","4","3","3","5","1") = "6"
    & skf21("3","7","3","4","3","3","6","1") = "6"
    & skf21("3","7","3","4","3","3","7","1") = "6"
    & skf21("3","7","3","4","3","4","1","1") = "6"
    & skf21("3","7","3","4","3","4","2","1") = "6"
    & skf21("3","7","3","4","3","4","3","1") = "6"
    & skf21("3","7","3","4","3","4","4","1") = "6"
    & skf21("3","7","3","4","3","4","5","1") = "6"
    & skf21("3","7","3","4","3","4","6","1") = "6"
    & skf21("3","7","3","4","3","4","7","1") = "6"
    & skf21("3","7","3","4","3","5","1","1") = "6"
    & skf21("3","7","3","4","3","5","2","1") = "6"
    & skf21("3","7","3","4","3","5","3","1") = "6"
    & skf21("3","7","3","4","3","5","4","1") = "6"
    & skf21("3","7","3","4","3","5","5","1") = "6"
    & skf21("3","7","3","4","3","5","6","1") = "6"
    & skf21("3","7","3","4","3","5","7","1") = "6"
    & skf21("3","7","3","4","3","6","1","1") = "6"
    & skf21("3","7","3","4","3","6","2","1") = "6"
    & skf21("3","7","3","4","3","6","3","1") = "6"
    & skf21("3","7","3","4","3","6","4","1") = "6"
    & skf21("3","7","3","4","3","6","5","1") = "6"
    & skf21("3","7","3","4","3","6","6","1") = "6"
    & skf21("3","7","3","4","3","6","7","1") = "6"
    & skf21("3","7","3","4","3","7","1","1") = "6"
    & skf21("3","7","3","4","3","7","2","1") = "6"
    & skf21("3","7","3","4","3","7","3","1") = "6"
    & skf21("3","7","3","4","3","7","4","1") = "6"
    & skf21("3","7","3","4","3","7","5","1") = "6"
    & skf21("3","7","3","4","3","7","6","1") = "6"
    & skf21("3","7","3","4","3","7","7","1") = "6"
    & skf21("3","7","3","4","4","1","1","1") = "6"
    & skf21("3","7","3","4","4","1","2","1") = "6"
    & skf21("3","7","3","4","4","1","3","1") = "6"
    & skf21("3","7","3","4","4","1","4","1") = "6"
    & skf21("3","7","3","4","4","1","5","1") = "6"
    & skf21("3","7","3","4","4","1","6","1") = "6"
    & skf21("3","7","3","4","4","1","7","1") = "6"
    & skf21("3","7","3","4","4","2","1","1") = "6"
    & skf21("3","7","3","4","4","2","2","1") = "6"
    & skf21("3","7","3","4","4","2","3","1") = "6"
    & skf21("3","7","3","4","4","2","4","1") = "6"
    & skf21("3","7","3","4","4","2","5","1") = "6"
    & skf21("3","7","3","4","4","2","6","1") = "6"
    & skf21("3","7","3","4","4","2","7","1") = "6"
    & skf21("3","7","3","4","4","3","1","1") = "6"
    & skf21("3","7","3","4","4","3","2","1") = "6"
    & skf21("3","7","3","4","4","3","3","1") = "6"
    & skf21("3","7","3","4","4","3","4","1") = "6"
    & skf21("3","7","3","4","4","3","5","1") = "6"
    & skf21("3","7","3","4","4","3","6","1") = "6"
    & skf21("3","7","3","4","4","3","7","1") = "6"
    & skf21("3","7","3","4","4","4","1","1") = "6"
    & skf21("3","7","3","4","4","4","2","1") = "6"
    & skf21("3","7","3","4","4","4","3","1") = "6"
    & skf21("3","7","3","4","4","4","4","1") = "6"
    & skf21("3","7","3","4","4","4","5","1") = "6"
    & skf21("3","7","3","4","4","4","6","1") = "6"
    & skf21("3","7","3","4","4","4","7","1") = "6"
    & skf21("3","7","3","4","4","5","1","1") = "6"
    & skf21("3","7","3","4","4","5","2","1") = "6"
    & skf21("3","7","3","4","4","5","3","1") = "6"
    & skf21("3","7","3","4","4","5","4","1") = "6"
    & skf21("3","7","3","4","4","5","5","1") = "6"
    & skf21("3","7","3","4","4","5","6","1") = "6"
    & skf21("3","7","3","4","4","5","7","1") = "6"
    & skf21("3","7","3","4","4","6","1","1") = "6"
    & skf21("3","7","3","4","4","6","2","1") = "6"
    & skf21("3","7","3","4","4","6","3","1") = "6"
    & skf21("3","7","3","4","4","6","4","1") = "6"
    & skf21("3","7","3","4","4","6","5","1") = "6"
    & skf21("3","7","3","4","4","6","6","1") = "6"
    & skf21("3","7","3","4","4","6","7","1") = "6"
    & skf21("3","7","3","4","4","7","1","1") = "6"
    & skf21("3","7","3","4","4","7","2","1") = "6"
    & skf21("3","7","3","4","4","7","3","1") = "6"
    & skf21("3","7","3","4","4","7","4","1") = "6"
    & skf21("3","7","3","4","4","7","5","1") = "6"
    & skf21("3","7","3","4","4","7","6","1") = "6"
    & skf21("3","7","3","4","4","7","7","1") = "6"
    & skf21("3","7","3","4","5","1","1","1") = "6"
    & skf21("3","7","3","4","5","1","2","1") = "6"
    & skf21("3","7","3","4","5","1","3","1") = "6"
    & skf21("3","7","3","4","5","1","4","1") = "6"
    & skf21("3","7","3","4","5","1","5","1") = "6"
    & skf21("3","7","3","4","5","1","6","1") = "6"
    & skf21("3","7","3","4","5","1","7","1") = "6"
    & skf21("3","7","3","4","5","2","1","1") = "6"
    & skf21("3","7","3","4","5","2","2","1") = "6"
    & skf21("3","7","3","4","5","2","3","1") = "6"
    & skf21("3","7","3","4","5","2","4","1") = "6"
    & skf21("3","7","3","4","5","2","5","1") = "6"
    & skf21("3","7","3","4","5","2","6","1") = "6"
    & skf21("3","7","3","4","5","2","7","1") = "6"
    & skf21("3","7","3","4","5","3","1","1") = "6"
    & skf21("3","7","3","4","5","3","2","1") = "6"
    & skf21("3","7","3","4","5","3","3","1") = "6"
    & skf21("3","7","3","4","5","3","4","1") = "6"
    & skf21("3","7","3","4","5","3","5","1") = "6"
    & skf21("3","7","3","4","5","3","6","1") = "6"
    & skf21("3","7","3","4","5","3","7","1") = "6"
    & skf21("3","7","3","4","5","4","1","1") = "6"
    & skf21("3","7","3","4","5","4","2","1") = "6"
    & skf21("3","7","3","4","5","4","3","1") = "6"
    & skf21("3","7","3","4","5","4","4","1") = "6"
    & skf21("3","7","3","4","5","4","5","1") = "6"
    & skf21("3","7","3","4","5","4","6","1") = "6"
    & skf21("3","7","3","4","5","4","7","1") = "6"
    & skf21("3","7","3","4","5","5","1","1") = "6"
    & skf21("3","7","3","4","5","5","2","1") = "6"
    & skf21("3","7","3","4","5","5","3","1") = "6"
    & skf21("3","7","3","4","5","5","4","1") = "6"
    & skf21("3","7","3","4","5","5","5","1") = "6"
    & skf21("3","7","3","4","5","5","6","1") = "6"
    & skf21("3","7","3","4","5","5","7","1") = "6"
    & skf21("3","7","3","4","5","6","1","1") = "6"
    & skf21("3","7","3","4","5","6","2","1") = "6"
    & skf21("3","7","3","4","5","6","3","1") = "6"
    & skf21("3","7","3","4","5","6","4","1") = "6"
    & skf21("3","7","3","4","5","6","5","1") = "6"
    & skf21("3","7","3","4","5","6","6","1") = "6"
    & skf21("3","7","3","4","5","6","7","1") = "6"
    & skf21("3","7","3","4","5","7","1","1") = "6"
    & skf21("3","7","3","4","5","7","2","1") = "6"
    & skf21("3","7","3","4","5","7","3","1") = "6"
    & skf21("3","7","3","4","5","7","4","1") = "6"
    & skf21("3","7","3","4","5","7","5","1") = "6"
    & skf21("3","7","3","4","5","7","6","1") = "6"
    & skf21("3","7","3","4","5","7","7","1") = "6"
    & skf21("3","7","3","4","6","1","1","1") = "6"
    & skf21("3","7","3","4","6","1","2","1") = "6"
    & skf21("3","7","3","4","6","1","3","1") = "6"
    & skf21("3","7","3","4","6","1","4","1") = "6"
    & skf21("3","7","3","4","6","1","5","1") = "6"
    & skf21("3","7","3","4","6","1","6","1") = "6"
    & skf21("3","7","3","4","6","1","7","1") = "6"
    & skf21("3","7","3","4","6","2","1","1") = "6"
    & skf21("3","7","3","4","6","2","2","1") = "6"
    & skf21("3","7","3","4","6","2","3","1") = "6"
    & skf21("3","7","3","4","6","2","4","1") = "6"
    & skf21("3","7","3","4","6","2","5","1") = "6"
    & skf21("3","7","3","4","6","2","6","1") = "6"
    & skf21("3","7","3","4","6","2","7","1") = "6"
    & skf21("3","7","3","4","6","3","1","1") = "6"
    & skf21("3","7","3","4","6","3","2","1") = "6"
    & skf21("3","7","3","4","6","3","3","1") = "6"
    & skf21("3","7","3","4","6","3","4","1") = "6"
    & skf21("3","7","3","4","6","3","5","1") = "6"
    & skf21("3","7","3","4","6","3","6","1") = "6"
    & skf21("3","7","3","4","6","3","7","1") = "6"
    & skf21("3","7","3","4","6","4","1","1") = "6"
    & skf21("3","7","3","4","6","4","2","1") = "6"
    & skf21("3","7","3","4","6","4","3","1") = "6"
    & skf21("3","7","3","4","6","4","4","1") = "6"
    & skf21("3","7","3","4","6","4","5","1") = "6"
    & skf21("3","7","3","4","6","4","6","1") = "6"
    & skf21("3","7","3","4","6","4","7","1") = "6"
    & skf21("3","7","3","4","6","5","1","1") = "6"
    & skf21("3","7","3","4","6","5","2","1") = "6"
    & skf21("3","7","3","4","6","5","3","1") = "6"
    & skf21("3","7","3","4","6","5","4","1") = "6"
    & skf21("3","7","3","4","6","5","5","1") = "6"
    & skf21("3","7","3","4","6","5","6","1") = "6"
    & skf21("3","7","3","4","6","5","7","1") = "6"
    & skf21("3","7","3","4","6","6","1","1") = "6"
    & skf21("3","7","3","4","6","6","2","1") = "6"
    & skf21("3","7","3","4","6","6","3","1") = "6"
    & skf21("3","7","3","4","6","6","4","1") = "6"
    & skf21("3","7","3","4","6","6","5","1") = "6"
    & skf21("3","7","3","4","6","6","6","1") = "6"
    & skf21("3","7","3","4","6","6","7","1") = "6"
    & skf21("3","7","3","4","6","7","1","1") = "6"
    & skf21("3","7","3","4","6","7","2","1") = "6"
    & skf21("3","7","3","4","6","7","3","1") = "6"
    & skf21("3","7","3","4","6","7","4","1") = "6"
    & skf21("3","7","3","4","6","7","5","1") = "6"
    & skf21("3","7","3","4","6","7","6","1") = "6"
    & skf21("3","7","3","4","6","7","7","1") = "6"
    & skf21("3","7","3","4","7","1","1","1") = "6"
    & skf21("3","7","3","4","7","1","2","1") = "6"
    & skf21("3","7","3","4","7","1","3","1") = "6"
    & skf21("3","7","3","4","7","1","4","1") = "6"
    & skf21("3","7","3","4","7","1","5","1") = "6"
    & skf21("3","7","3","4","7","1","6","1") = "6"
    & skf21("3","7","3","4","7","1","7","1") = "6"
    & skf21("3","7","3","4","7","2","1","1") = "6"
    & skf21("3","7","3","4","7","2","2","1") = "6"
    & skf21("3","7","3","4","7","2","3","1") = "6"
    & skf21("3","7","3","4","7","2","4","1") = "6"
    & skf21("3","7","3","4","7","2","5","1") = "6"
    & skf21("3","7","3","4","7","2","6","1") = "6"
    & skf21("3","7","3","4","7","2","7","1") = "6"
    & skf21("3","7","3","4","7","3","1","1") = "6"
    & skf21("3","7","3","4","7","3","2","1") = "6"
    & skf21("3","7","3","4","7","3","3","1") = "6"
    & skf21("3","7","3","4","7","3","4","1") = "6"
    & skf21("3","7","3","4","7","3","5","1") = "6"
    & skf21("3","7","3","4","7","3","6","1") = "6"
    & skf21("3","7","3","4","7","3","7","1") = "6"
    & skf21("3","7","3","4","7","4","1","1") = "6"
    & skf21("3","7","3","4","7","4","2","1") = "6"
    & skf21("3","7","3","4","7","4","3","1") = "6"
    & skf21("3","7","3","4","7","4","4","1") = "6"
    & skf21("3","7","3","4","7","4","5","1") = "6"
    & skf21("3","7","3","4","7","4","6","1") = "6"
    & skf21("3","7","3","4","7","4","7","1") = "6"
    & skf21("3","7","3","4","7","5","1","1") = "6"
    & skf21("3","7","3","4","7","5","2","1") = "6"
    & skf21("3","7","3","4","7","5","3","1") = "6"
    & skf21("3","7","3","4","7","5","4","1") = "6"
    & skf21("3","7","3","4","7","5","5","1") = "6"
    & skf21("3","7","3","4","7","5","6","1") = "6"
    & skf21("3","7","3","4","7","5","7","1") = "6"
    & skf21("3","7","3","4","7","6","1","1") = "6"
    & skf21("3","7","3","4","7","6","2","1") = "6"
    & skf21("3","7","3","4","7","6","3","1") = "6"
    & skf21("3","7","3","4","7","6","4","1") = "6"
    & skf21("3","7","3","4","7","6","5","1") = "6"
    & skf21("3","7","3","4","7","6","6","1") = "6"
    & skf21("3","7","3","4","7","6","7","1") = "6"
    & skf21("3","7","3","4","7","7","1","1") = "6"
    & skf21("3","7","3","4","7","7","2","1") = "6"
    & skf21("3","7","3","4","7","7","3","1") = "6"
    & skf21("3","7","3","4","7","7","4","1") = "6"
    & skf21("3","7","3","4","7","7","5","1") = "6"
    & skf21("3","7","3","4","7","7","6","1") = "6"
    & skf21("3","7","3","4","7","7","7","1") = "6"
    & skf21("3","7","3","5","1","1","1","1") = "6"
    & skf21("3","7","3","5","1","1","2","1") = "6"
    & skf21("3","7","3","5","1","1","3","1") = "6"
    & skf21("3","7","3","5","1","1","4","1") = "6"
    & skf21("3","7","3","5","1","1","5","1") = "6"
    & skf21("3","7","3","5","1","1","6","1") = "6"
    & skf21("3","7","3","5","1","1","7","1") = "6"
    & skf21("3","7","3","5","1","2","1","1") = "6"
    & skf21("3","7","3","5","1","2","2","1") = "6"
    & skf21("3","7","3","5","1","2","3","1") = "6"
    & skf21("3","7","3","5","1","2","4","1") = "6"
    & skf21("3","7","3","5","1","2","5","1") = "6"
    & skf21("3","7","3","5","1","2","6","1") = "6"
    & skf21("3","7","3","5","1","2","7","1") = "6"
    & skf21("3","7","3","5","1","3","1","1") = "6"
    & skf21("3","7","3","5","1","3","2","1") = "6"
    & skf21("3","7","3","5","1","3","3","1") = "6"
    & skf21("3","7","3","5","1","3","4","1") = "6"
    & skf21("3","7","3","5","1","3","5","1") = "6"
    & skf21("3","7","3","5","1","3","6","1") = "6"
    & skf21("3","7","3","5","1","3","7","1") = "6"
    & skf21("3","7","3","5","1","4","1","1") = "6"
    & skf21("3","7","3","5","1","4","2","1") = "6"
    & skf21("3","7","3","5","1","4","3","1") = "6"
    & skf21("3","7","3","5","1","4","4","1") = "6"
    & skf21("3","7","3","5","1","4","5","1") = "6"
    & skf21("3","7","3","5","1","4","6","1") = "6"
    & skf21("3","7","3","5","1","4","7","1") = "6"
    & skf21("3","7","3","5","1","5","1","1") = "6"
    & skf21("3","7","3","5","1","5","2","1") = "6"
    & skf21("3","7","3","5","1","5","3","1") = "6"
    & skf21("3","7","3","5","1","5","4","1") = "6"
    & skf21("3","7","3","5","1","5","5","1") = "6"
    & skf21("3","7","3","5","1","5","6","1") = "6"
    & skf21("3","7","3","5","1","5","7","1") = "6"
    & skf21("3","7","3","5","1","6","1","1") = "6"
    & skf21("3","7","3","5","1","6","2","1") = "6"
    & skf21("3","7","3","5","1","6","3","1") = "6"
    & skf21("3","7","3","5","1","6","4","1") = "6"
    & skf21("3","7","3","5","1","6","5","1") = "6"
    & skf21("3","7","3","5","1","6","6","1") = "6"
    & skf21("3","7","3","5","1","6","7","1") = "6"
    & skf21("3","7","3","5","1","7","1","1") = "6"
    & skf21("3","7","3","5","1","7","2","1") = "6"
    & skf21("3","7","3","5","1","7","3","1") = "6"
    & skf21("3","7","3","5","1","7","4","1") = "6"
    & skf21("3","7","3","5","1","7","5","1") = "6"
    & skf21("3","7","3","5","1","7","6","1") = "6"
    & skf21("3","7","3","5","1","7","7","1") = "6"
    & skf21("3","7","3","5","2","1","1","1") = "6"
    & skf21("3","7","3","5","2","1","2","1") = "6"
    & skf21("3","7","3","5","2","1","3","1") = "6"
    & skf21("3","7","3","5","2","1","4","1") = "6"
    & skf21("3","7","3","5","2","1","5","1") = "6"
    & skf21("3","7","3","5","2","1","6","1") = "6"
    & skf21("3","7","3","5","2","1","7","1") = "6"
    & skf21("3","7","3","5","2","2","1","1") = "6"
    & skf21("3","7","3","5","2","2","2","1") = "6"
    & skf21("3","7","3","5","2","2","3","1") = "6"
    & skf21("3","7","3","5","2","2","4","1") = "6"
    & skf21("3","7","3","5","2","2","5","1") = "6"
    & skf21("3","7","3","5","2","2","6","1") = "6"
    & skf21("3","7","3","5","2","2","7","1") = "6"
    & skf21("3","7","3","5","2","3","1","1") = "6"
    & skf21("3","7","3","5","2","3","2","1") = "6"
    & skf21("3","7","3","5","2","3","3","1") = "6"
    & skf21("3","7","3","5","2","3","4","1") = "6"
    & skf21("3","7","3","5","2","3","5","1") = "6"
    & skf21("3","7","3","5","2","3","6","1") = "6"
    & skf21("3","7","3","5","2","3","7","1") = "6"
    & skf21("3","7","3","5","2","4","1","1") = "6"
    & skf21("3","7","3","5","2","4","2","1") = "6"
    & skf21("3","7","3","5","2","4","3","1") = "6"
    & skf21("3","7","3","5","2","4","4","1") = "6"
    & skf21("3","7","3","5","2","4","5","1") = "6"
    & skf21("3","7","3","5","2","4","6","1") = "6"
    & skf21("3","7","3","5","2","4","7","1") = "6"
    & skf21("3","7","3","5","2","5","1","1") = "6"
    & skf21("3","7","3","5","2","5","2","1") = "6"
    & skf21("3","7","3","5","2","5","3","1") = "6"
    & skf21("3","7","3","5","2","5","4","1") = "6"
    & skf21("3","7","3","5","2","5","5","1") = "6"
    & skf21("3","7","3","5","2","5","6","1") = "6"
    & skf21("3","7","3","5","2","5","7","1") = "6"
    & skf21("3","7","3","5","2","6","1","1") = "6"
    & skf21("3","7","3","5","2","6","2","1") = "6"
    & skf21("3","7","3","5","2","6","3","1") = "6"
    & skf21("3","7","3","5","2","6","4","1") = "6"
    & skf21("3","7","3","5","2","6","5","1") = "6"
    & skf21("3","7","3","5","2","6","6","1") = "6"
    & skf21("3","7","3","5","2","6","7","1") = "6"
    & skf21("3","7","3","5","2","7","1","1") = "6"
    & skf21("3","7","3","5","2","7","2","1") = "6"
    & skf21("3","7","3","5","2","7","3","1") = "6"
    & skf21("3","7","3","5","2","7","4","1") = "6"
    & skf21("3","7","3","5","2","7","5","1") = "6"
    & skf21("3","7","3","5","2","7","6","1") = "6"
    & skf21("3","7","3","5","2","7","7","1") = "6"
    & skf21("3","7","3","5","3","1","1","1") = "6"
    & skf21("3","7","3","5","3","1","2","1") = "6"
    & skf21("3","7","3","5","3","1","3","1") = "6"
    & skf21("3","7","3","5","3","1","4","1") = "6"
    & skf21("3","7","3","5","3","1","5","1") = "6"
    & skf21("3","7","3","5","3","1","6","1") = "6"
    & skf21("3","7","3","5","3","1","7","1") = "6"
    & skf21("3","7","3","5","3","2","1","1") = "6"
    & skf21("3","7","3","5","3","2","2","1") = "6"
    & skf21("3","7","3","5","3","2","3","1") = "6"
    & skf21("3","7","3","5","3","2","4","1") = "6"
    & skf21("3","7","3","5","3","2","5","1") = "6"
    & skf21("3","7","3","5","3","2","6","1") = "6"
    & skf21("3","7","3","5","3","2","7","1") = "6"
    & skf21("3","7","3","5","3","3","1","1") = "6"
    & skf21("3","7","3","5","3","3","2","1") = "6"
    & skf21("3","7","3","5","3","3","3","1") = "6"
    & skf21("3","7","3","5","3","3","4","1") = "6"
    & skf21("3","7","3","5","3","3","5","1") = "6"
    & skf21("3","7","3","5","3","3","6","1") = "6"
    & skf21("3","7","3","5","3","3","7","1") = "6"
    & skf21("3","7","3","5","3","4","1","1") = "6"
    & skf21("3","7","3","5","3","4","2","1") = "6"
    & skf21("3","7","3","5","3","4","3","1") = "6"
    & skf21("3","7","3","5","3","4","4","1") = "6"
    & skf21("3","7","3","5","3","4","5","1") = "6"
    & skf21("3","7","3","5","3","4","6","1") = "6"
    & skf21("3","7","3","5","3","4","7","1") = "6"
    & skf21("3","7","3","5","3","5","1","1") = "6"
    & skf21("3","7","3","5","3","5","2","1") = "6"
    & skf21("3","7","3","5","3","5","3","1") = "6"
    & skf21("3","7","3","5","3","5","4","1") = "6"
    & skf21("3","7","3","5","3","5","5","1") = "6"
    & skf21("3","7","3","5","3","5","6","1") = "6"
    & skf21("3","7","3","5","3","5","7","1") = "6"
    & skf21("3","7","3","5","3","6","1","1") = "6"
    & skf21("3","7","3","5","3","6","2","1") = "6"
    & skf21("3","7","3","5","3","6","3","1") = "6"
    & skf21("3","7","3","5","3","6","4","1") = "6"
    & skf21("3","7","3","5","3","6","5","1") = "6"
    & skf21("3","7","3","5","3","6","6","1") = "6"
    & skf21("3","7","3","5","3","6","7","1") = "6"
    & skf21("3","7","3","5","3","7","1","1") = "6"
    & skf21("3","7","3","5","3","7","2","1") = "6"
    & skf21("3","7","3","5","3","7","3","1") = "6"
    & skf21("3","7","3","5","3","7","4","1") = "6"
    & skf21("3","7","3","5","3","7","5","1") = "6"
    & skf21("3","7","3","5","3","7","6","1") = "6"
    & skf21("3","7","3","5","3","7","7","1") = "6"
    & skf21("3","7","3","5","4","1","1","1") = "6"
    & skf21("3","7","3","5","4","1","2","1") = "6"
    & skf21("3","7","3","5","4","1","3","1") = "6"
    & skf21("3","7","3","5","4","1","4","1") = "6"
    & skf21("3","7","3","5","4","1","5","1") = "6"
    & skf21("3","7","3","5","4","1","6","1") = "6"
    & skf21("3","7","3","5","4","1","7","1") = "6"
    & skf21("3","7","3","5","4","2","1","1") = "6"
    & skf21("3","7","3","5","4","2","2","1") = "6"
    & skf21("3","7","3","5","4","2","3","1") = "6"
    & skf21("3","7","3","5","4","2","4","1") = "6"
    & skf21("3","7","3","5","4","2","5","1") = "6"
    & skf21("3","7","3","5","4","2","6","1") = "6"
    & skf21("3","7","3","5","4","2","7","1") = "6"
    & skf21("3","7","3","5","4","3","1","1") = "6"
    & skf21("3","7","3","5","4","3","2","1") = "6"
    & skf21("3","7","3","5","4","3","3","1") = "6"
    & skf21("3","7","3","5","4","3","4","1") = "6"
    & skf21("3","7","3","5","4","3","5","1") = "6"
    & skf21("3","7","3","5","4","3","6","1") = "6"
    & skf21("3","7","3","5","4","3","7","1") = "6"
    & skf21("3","7","3","5","4","4","1","1") = "6"
    & skf21("3","7","3","5","4","4","2","1") = "6"
    & skf21("3","7","3","5","4","4","3","1") = "6"
    & skf21("3","7","3","5","4","4","4","1") = "6"
    & skf21("3","7","3","5","4","4","5","1") = "6"
    & skf21("3","7","3","5","4","4","6","1") = "6"
    & skf21("3","7","3","5","4","4","7","1") = "6"
    & skf21("3","7","3","5","4","5","1","1") = "6"
    & skf21("3","7","3","5","4","5","2","1") = "6"
    & skf21("3","7","3","5","4","5","3","1") = "6"
    & skf21("3","7","3","5","4","5","4","1") = "6"
    & skf21("3","7","3","5","4","5","5","1") = "6"
    & skf21("3","7","3","5","4","5","6","1") = "6"
    & skf21("3","7","3","5","4","5","7","1") = "6"
    & skf21("3","7","3","5","4","6","1","1") = "6"
    & skf21("3","7","3","5","4","6","2","1") = "6"
    & skf21("3","7","3","5","4","6","3","1") = "6"
    & skf21("3","7","3","5","4","6","4","1") = "6"
    & skf21("3","7","3","5","4","6","5","1") = "6"
    & skf21("3","7","3","5","4","6","6","1") = "6"
    & skf21("3","7","3","5","4","6","7","1") = "6"
    & skf21("3","7","3","5","4","7","1","1") = "6"
    & skf21("3","7","3","5","4","7","2","1") = "6"
    & skf21("3","7","3","5","4","7","3","1") = "6"
    & skf21("3","7","3","5","4","7","4","1") = "6"
    & skf21("3","7","3","5","4","7","5","1") = "6"
    & skf21("3","7","3","5","4","7","6","1") = "6"
    & skf21("3","7","3","5","4","7","7","1") = "6"
    & skf21("3","7","3","5","5","1","1","1") = "6"
    & skf21("3","7","3","5","5","1","2","1") = "6"
    & skf21("3","7","3","5","5","1","3","1") = "6"
    & skf21("3","7","3","5","5","1","4","1") = "6"
    & skf21("3","7","3","5","5","1","5","1") = "6"
    & skf21("3","7","3","5","5","1","6","1") = "6"
    & skf21("3","7","3","5","5","1","7","1") = "6"
    & skf21("3","7","3","5","5","2","1","1") = "6"
    & skf21("3","7","3","5","5","2","2","1") = "6"
    & skf21("3","7","3","5","5","2","3","1") = "6"
    & skf21("3","7","3","5","5","2","4","1") = "6"
    & skf21("3","7","3","5","5","2","5","1") = "6"
    & skf21("3","7","3","5","5","2","6","1") = "6"
    & skf21("3","7","3","5","5","2","7","1") = "6"
    & skf21("3","7","3","5","5","3","1","1") = "6"
    & skf21("3","7","3","5","5","3","2","1") = "6"
    & skf21("3","7","3","5","5","3","3","1") = "6"
    & skf21("3","7","3","5","5","3","4","1") = "6"
    & skf21("3","7","3","5","5","3","5","1") = "6"
    & skf21("3","7","3","5","5","3","6","1") = "6"
    & skf21("3","7","3","5","5","3","7","1") = "6"
    & skf21("3","7","3","5","5","4","1","1") = "6"
    & skf21("3","7","3","5","5","4","2","1") = "6"
    & skf21("3","7","3","5","5","4","3","1") = "6"
    & skf21("3","7","3","5","5","4","4","1") = "6"
    & skf21("3","7","3","5","5","4","5","1") = "6"
    & skf21("3","7","3","5","5","4","6","1") = "6"
    & skf21("3","7","3","5","5","4","7","1") = "6"
    & skf21("3","7","3","5","5","5","1","1") = "6"
    & skf21("3","7","3","5","5","5","2","1") = "6"
    & skf21("3","7","3","5","5","5","3","1") = "6"
    & skf21("3","7","3","5","5","5","4","1") = "6"
    & skf21("3","7","3","5","5","5","5","1") = "6"
    & skf21("3","7","3","5","5","5","6","1") = "6"
    & skf21("3","7","3","5","5","5","7","1") = "6"
    & skf21("3","7","3","5","5","6","1","1") = "6"
    & skf21("3","7","3","5","5","6","2","1") = "6"
    & skf21("3","7","3","5","5","6","3","1") = "6"
    & skf21("3","7","3","5","5","6","4","1") = "6"
    & skf21("3","7","3","5","5","6","5","1") = "6"
    & skf21("3","7","3","5","5","6","6","1") = "6"
    & skf21("3","7","3","5","5","6","7","1") = "6"
    & skf21("3","7","3","5","5","7","1","1") = "6"
    & skf21("3","7","3","5","5","7","2","1") = "6"
    & skf21("3","7","3","5","5","7","3","1") = "6"
    & skf21("3","7","3","5","5","7","4","1") = "6"
    & skf21("3","7","3","5","5","7","5","1") = "6"
    & skf21("3","7","3","5","5","7","6","1") = "6"
    & skf21("3","7","3","5","5","7","7","1") = "6"
    & skf21("3","7","3","5","6","1","1","1") = "6"
    & skf21("3","7","3","5","6","1","2","1") = "6"
    & skf21("3","7","3","5","6","1","3","1") = "6"
    & skf21("3","7","3","5","6","1","4","1") = "6"
    & skf21("3","7","3","5","6","1","5","1") = "6"
    & skf21("3","7","3","5","6","1","6","1") = "6"
    & skf21("3","7","3","5","6","1","7","1") = "6"
    & skf21("3","7","3","5","6","2","1","1") = "6"
    & skf21("3","7","3","5","6","2","2","1") = "6"
    & skf21("3","7","3","5","6","2","3","1") = "6"
    & skf21("3","7","3","5","6","2","4","1") = "6"
    & skf21("3","7","3","5","6","2","5","1") = "6"
    & skf21("3","7","3","5","6","2","6","1") = "6"
    & skf21("3","7","3","5","6","2","7","1") = "6"
    & skf21("3","7","3","5","6","3","1","1") = "6"
    & skf21("3","7","3","5","6","3","2","1") = "6"
    & skf21("3","7","3","5","6","3","3","1") = "6"
    & skf21("3","7","3","5","6","3","4","1") = "6"
    & skf21("3","7","3","5","6","3","5","1") = "6"
    & skf21("3","7","3","5","6","3","6","1") = "6"
    & skf21("3","7","3","5","6","3","7","1") = "6"
    & skf21("3","7","3","5","6","4","1","1") = "6"
    & skf21("3","7","3","5","6","4","2","1") = "6"
    & skf21("3","7","3","5","6","4","3","1") = "6"
    & skf21("3","7","3","5","6","4","4","1") = "6"
    & skf21("3","7","3","5","6","4","5","1") = "6"
    & skf21("3","7","3","5","6","4","6","1") = "6"
    & skf21("3","7","3","5","6","4","7","1") = "6"
    & skf21("3","7","3","5","6","5","1","1") = "6"
    & skf21("3","7","3","5","6","5","2","1") = "6"
    & skf21("3","7","3","5","6","5","3","1") = "6"
    & skf21("3","7","3","5","6","5","4","1") = "6"
    & skf21("3","7","3","5","6","5","5","1") = "6"
    & skf21("3","7","3","5","6","5","6","1") = "6"
    & skf21("3","7","3","5","6","5","7","1") = "6"
    & skf21("3","7","3","5","6","6","1","1") = "6"
    & skf21("3","7","3","5","6","6","2","1") = "6"
    & skf21("3","7","3","5","6","6","3","1") = "6"
    & skf21("3","7","3","5","6","6","4","1") = "6"
    & skf21("3","7","3","5","6","6","5","1") = "6"
    & skf21("3","7","3","5","6","6","6","1") = "6"
    & skf21("3","7","3","5","6","6","7","1") = "6"
    & skf21("3","7","3","5","6","7","1","1") = "6"
    & skf21("3","7","3","5","6","7","2","1") = "6"
    & skf21("3","7","3","5","6","7","3","1") = "6"
    & skf21("3","7","3","5","6","7","4","1") = "6"
    & skf21("3","7","3","5","6","7","5","1") = "6"
    & skf21("3","7","3","5","6","7","6","1") = "6"
    & skf21("3","7","3","5","6","7","7","1") = "6"
    & skf21("3","7","3","5","7","1","1","1") = "6"
    & skf21("3","7","3","5","7","1","2","1") = "6"
    & skf21("3","7","3","5","7","1","3","1") = "6"
    & skf21("3","7","3","5","7","1","4","1") = "6"
    & skf21("3","7","3","5","7","1","5","1") = "6"
    & skf21("3","7","3","5","7","1","6","1") = "6"
    & skf21("3","7","3","5","7","1","7","1") = "6"
    & skf21("3","7","3","5","7","2","1","1") = "6"
    & skf21("3","7","3","5","7","2","2","1") = "6"
    & skf21("3","7","3","5","7","2","3","1") = "6"
    & skf21("3","7","3","5","7","2","4","1") = "6"
    & skf21("3","7","3","5","7","2","5","1") = "6"
    & skf21("3","7","3","5","7","2","6","1") = "6"
    & skf21("3","7","3","5","7","2","7","1") = "6"
    & skf21("3","7","3","5","7","3","1","1") = "6"
    & skf21("3","7","3","5","7","3","2","1") = "6"
    & skf21("3","7","3","5","7","3","3","1") = "6"
    & skf21("3","7","3","5","7","3","4","1") = "6"
    & skf21("3","7","3","5","7","3","5","1") = "6"
    & skf21("3","7","3","5","7","3","6","1") = "6"
    & skf21("3","7","3","5","7","3","7","1") = "6"
    & skf21("3","7","3","5","7","4","1","1") = "6"
    & skf21("3","7","3","5","7","4","2","1") = "6"
    & skf21("3","7","3","5","7","4","3","1") = "6"
    & skf21("3","7","3","5","7","4","4","1") = "6"
    & skf21("3","7","3","5","7","4","5","1") = "6"
    & skf21("3","7","3","5","7","4","6","1") = "6"
    & skf21("3","7","3","5","7","4","7","1") = "6"
    & skf21("3","7","3","5","7","5","1","1") = "6"
    & skf21("3","7","3","5","7","5","2","1") = "6"
    & skf21("3","7","3","5","7","5","3","1") = "6"
    & skf21("3","7","3","5","7","5","4","1") = "6"
    & skf21("3","7","3","5","7","5","5","1") = "6"
    & skf21("3","7","3","5","7","5","6","1") = "6"
    & skf21("3","7","3","5","7","5","7","1") = "6"
    & skf21("3","7","3","5","7","6","1","1") = "6"
    & skf21("3","7","3","5","7","6","2","1") = "6"
    & skf21("3","7","3","5","7","6","3","1") = "6"
    & skf21("3","7","3","5","7","6","4","1") = "6"
    & skf21("3","7","3","5","7","6","5","1") = "6"
    & skf21("3","7","3","5","7","6","6","1") = "6"
    & skf21("3","7","3","5","7","6","7","1") = "6"
    & skf21("3","7","3","5","7","7","1","1") = "6"
    & skf21("3","7","3","5","7","7","2","1") = "6"
    & skf21("3","7","3","5","7","7","3","1") = "6"
    & skf21("3","7","3","5","7","7","4","1") = "6"
    & skf21("3","7","3","5","7","7","5","1") = "6"
    & skf21("3","7","3","5","7","7","6","1") = "6"
    & skf21("3","7","3","5","7","7","7","1") = "6"
    & skf21("3","7","3","6","1","1","1","1") = "6"
    & skf21("3","7","3","6","1","1","2","1") = "6"
    & skf21("3","7","3","6","1","1","3","1") = "6"
    & skf21("3","7","3","6","1","1","4","1") = "6"
    & skf21("3","7","3","6","1","1","5","1") = "6"
    & skf21("3","7","3","6","1","1","6","1") = "6"
    & skf21("3","7","3","6","1","1","7","1") = "6"
    & skf21("3","7","3","6","1","2","1","1") = "6"
    & skf21("3","7","3","6","1","2","2","1") = "6"
    & skf21("3","7","3","6","1","2","3","1") = "6"
    & skf21("3","7","3","6","1","2","4","1") = "6"
    & skf21("3","7","3","6","1","2","5","1") = "6"
    & skf21("3","7","3","6","1","2","6","1") = "6"
    & skf21("3","7","3","6","1","2","7","1") = "6"
    & skf21("3","7","3","6","1","3","1","1") = "6"
    & skf21("3","7","3","6","1","3","2","1") = "6"
    & skf21("3","7","3","6","1","3","3","1") = "6"
    & skf21("3","7","3","6","1","3","4","1") = "6"
    & skf21("3","7","3","6","1","3","5","1") = "6"
    & skf21("3","7","3","6","1","3","6","1") = "6"
    & skf21("3","7","3","6","1","3","7","1") = "6"
    & skf21("3","7","3","6","1","4","1","1") = "6"
    & skf21("3","7","3","6","1","4","2","1") = "6"
    & skf21("3","7","3","6","1","4","3","1") = "6"
    & skf21("3","7","3","6","1","4","4","1") = "6"
    & skf21("3","7","3","6","1","4","5","1") = "6"
    & skf21("3","7","3","6","1","4","6","1") = "6"
    & skf21("3","7","3","6","1","4","7","1") = "6"
    & skf21("3","7","3","6","1","5","1","1") = "6"
    & skf21("3","7","3","6","1","5","2","1") = "6"
    & skf21("3","7","3","6","1","5","3","1") = "6"
    & skf21("3","7","3","6","1","5","4","1") = "6"
    & skf21("3","7","3","6","1","5","5","1") = "6"
    & skf21("3","7","3","6","1","5","6","1") = "6"
    & skf21("3","7","3","6","1","5","7","1") = "6"
    & skf21("3","7","3","6","1","6","1","1") = "6"
    & skf21("3","7","3","6","1","6","2","1") = "6"
    & skf21("3","7","3","6","1","6","3","1") = "6"
    & skf21("3","7","3","6","1","6","4","1") = "6"
    & skf21("3","7","3","6","1","6","5","1") = "6"
    & skf21("3","7","3","6","1","6","6","1") = "6"
    & skf21("3","7","3","6","1","6","7","1") = "6"
    & skf21("3","7","3","6","1","7","1","1") = "6"
    & skf21("3","7","3","6","1","7","2","1") = "6"
    & skf21("3","7","3","6","1","7","3","1") = "6"
    & skf21("3","7","3","6","1","7","4","1") = "6"
    & skf21("3","7","3","6","1","7","5","1") = "6"
    & skf21("3","7","3","6","1","7","6","1") = "6"
    & skf21("3","7","3","6","1","7","7","1") = "6"
    & skf21("3","7","3","6","2","1","1","1") = "6"
    & skf21("3","7","3","6","2","1","2","1") = "6"
    & skf21("3","7","3","6","2","1","3","1") = "6"
    & skf21("3","7","3","6","2","1","4","1") = "6"
    & skf21("3","7","3","6","2","1","5","1") = "6"
    & skf21("3","7","3","6","2","1","6","1") = "6"
    & skf21("3","7","3","6","2","1","7","1") = "6"
    & skf21("3","7","3","6","2","2","1","1") = "6"
    & skf21("3","7","3","6","2","2","2","1") = "6"
    & skf21("3","7","3","6","2","2","3","1") = "6"
    & skf21("3","7","3","6","2","2","4","1") = "6"
    & skf21("3","7","3","6","2","2","5","1") = "6"
    & skf21("3","7","3","6","2","2","6","1") = "6"
    & skf21("3","7","3","6","2","2","7","1") = "6"
    & skf21("3","7","3","6","2","3","1","1") = "6"
    & skf21("3","7","3","6","2","3","2","1") = "6"
    & skf21("3","7","3","6","2","3","3","1") = "6"
    & skf21("3","7","3","6","2","3","4","1") = "6"
    & skf21("3","7","3","6","2","3","5","1") = "6"
    & skf21("3","7","3","6","2","3","6","1") = "6"
    & skf21("3","7","3","6","2","3","7","1") = "6"
    & skf21("3","7","3","6","2","4","1","1") = "6"
    & skf21("3","7","3","6","2","4","2","1") = "6"
    & skf21("3","7","3","6","2","4","3","1") = "6"
    & skf21("3","7","3","6","2","4","4","1") = "6"
    & skf21("3","7","3","6","2","4","5","1") = "6"
    & skf21("3","7","3","6","2","4","6","1") = "6"
    & skf21("3","7","3","6","2","4","7","1") = "6"
    & skf21("3","7","3","6","2","5","1","1") = "6"
    & skf21("3","7","3","6","2","5","2","1") = "6"
    & skf21("3","7","3","6","2","5","3","1") = "6"
    & skf21("3","7","3","6","2","5","4","1") = "6"
    & skf21("3","7","3","6","2","5","5","1") = "6"
    & skf21("3","7","3","6","2","5","6","1") = "6"
    & skf21("3","7","3","6","2","5","7","1") = "6"
    & skf21("3","7","3","6","2","6","1","1") = "6"
    & skf21("3","7","3","6","2","6","2","1") = "6"
    & skf21("3","7","3","6","2","6","3","1") = "6"
    & skf21("3","7","3","6","2","6","4","1") = "6"
    & skf21("3","7","3","6","2","6","5","1") = "6"
    & skf21("3","7","3","6","2","6","6","1") = "6"
    & skf21("3","7","3","6","2","6","7","1") = "6"
    & skf21("3","7","3","6","2","7","1","1") = "6"
    & skf21("3","7","3","6","2","7","2","1") = "6"
    & skf21("3","7","3","6","2","7","3","1") = "6"
    & skf21("3","7","3","6","2","7","4","1") = "6"
    & skf21("3","7","3","6","2","7","5","1") = "6"
    & skf21("3","7","3","6","2","7","6","1") = "6"
    & skf21("3","7","3","6","2","7","7","1") = "6"
    & skf21("3","7","3","6","3","1","1","1") = "6"
    & skf21("3","7","3","6","3","1","2","1") = "6"
    & skf21("3","7","3","6","3","1","3","1") = "6"
    & skf21("3","7","3","6","3","1","4","1") = "6"
    & skf21("3","7","3","6","3","1","5","1") = "6"
    & skf21("3","7","3","6","3","1","6","1") = "6"
    & skf21("3","7","3","6","3","1","7","1") = "6"
    & skf21("3","7","3","6","3","2","1","1") = "6"
    & skf21("3","7","3","6","3","2","2","1") = "6"
    & skf21("3","7","3","6","3","2","3","1") = "6"
    & skf21("3","7","3","6","3","2","4","1") = "6"
    & skf21("3","7","3","6","3","2","5","1") = "6"
    & skf21("3","7","3","6","3","2","6","1") = "6"
    & skf21("3","7","3","6","3","2","7","1") = "6"
    & skf21("3","7","3","6","3","3","1","1") = "6"
    & skf21("3","7","3","6","3","3","2","1") = "6"
    & skf21("3","7","3","6","3","3","3","1") = "6"
    & skf21("3","7","3","6","3","3","4","1") = "6"
    & skf21("3","7","3","6","3","3","5","1") = "6"
    & skf21("3","7","3","6","3","3","6","1") = "6"
    & skf21("3","7","3","6","3","3","7","1") = "6"
    & skf21("3","7","3","6","3","4","1","1") = "6"
    & skf21("3","7","3","6","3","4","2","1") = "6"
    & skf21("3","7","3","6","3","4","3","1") = "6"
    & skf21("3","7","3","6","3","4","4","1") = "6"
    & skf21("3","7","3","6","3","4","5","1") = "6"
    & skf21("3","7","3","6","3","4","6","1") = "6"
    & skf21("3","7","3","6","3","4","7","1") = "6"
    & skf21("3","7","3","6","3","5","1","1") = "6"
    & skf21("3","7","3","6","3","5","2","1") = "6"
    & skf21("3","7","3","6","3","5","3","1") = "6"
    & skf21("3","7","3","6","3","5","4","1") = "6"
    & skf21("3","7","3","6","3","5","5","1") = "6"
    & skf21("3","7","3","6","3","5","6","1") = "6"
    & skf21("3","7","3","6","3","5","7","1") = "6"
    & skf21("3","7","3","6","3","6","1","1") = "6"
    & skf21("3","7","3","6","3","6","2","1") = "6"
    & skf21("3","7","3","6","3","6","3","1") = "6"
    & skf21("3","7","3","6","3","6","4","1") = "6"
    & skf21("3","7","3","6","3","6","5","1") = "6"
    & skf21("3","7","3","6","3","6","6","1") = "6"
    & skf21("3","7","3","6","3","6","7","1") = "6"
    & skf21("3","7","3","6","3","7","1","1") = "6"
    & skf21("3","7","3","6","3","7","2","1") = "6"
    & skf21("3","7","3","6","3","7","3","1") = "6"
    & skf21("3","7","3","6","3","7","4","1") = "6"
    & skf21("3","7","3","6","3","7","5","1") = "6"
    & skf21("3","7","3","6","3","7","6","1") = "6"
    & skf21("3","7","3","6","3","7","7","1") = "6"
    & skf21("3","7","3","6","4","1","1","1") = "6"
    & skf21("3","7","3","6","4","1","2","1") = "6"
    & skf21("3","7","3","6","4","1","3","1") = "6"
    & skf21("3","7","3","6","4","1","4","1") = "6"
    & skf21("3","7","3","6","4","1","5","1") = "6"
    & skf21("3","7","3","6","4","1","6","1") = "6"
    & skf21("3","7","3","6","4","1","7","1") = "6"
    & skf21("3","7","3","6","4","2","1","1") = "6"
    & skf21("3","7","3","6","4","2","2","1") = "6"
    & skf21("3","7","3","6","4","2","3","1") = "6"
    & skf21("3","7","3","6","4","2","4","1") = "6"
    & skf21("3","7","3","6","4","2","5","1") = "6"
    & skf21("3","7","3","6","4","2","6","1") = "6"
    & skf21("3","7","3","6","4","2","7","1") = "6"
    & skf21("3","7","3","6","4","3","1","1") = "6"
    & skf21("3","7","3","6","4","3","2","1") = "6"
    & skf21("3","7","3","6","4","3","3","1") = "6"
    & skf21("3","7","3","6","4","3","4","1") = "6"
    & skf21("3","7","3","6","4","3","5","1") = "6"
    & skf21("3","7","3","6","4","3","6","1") = "6"
    & skf21("3","7","3","6","4","3","7","1") = "6"
    & skf21("3","7","3","6","4","4","1","1") = "6"
    & skf21("3","7","3","6","4","4","2","1") = "6"
    & skf21("3","7","3","6","4","4","3","1") = "6"
    & skf21("3","7","3","6","4","4","4","1") = "6"
    & skf21("3","7","3","6","4","4","5","1") = "6"
    & skf21("3","7","3","6","4","4","6","1") = "6"
    & skf21("3","7","3","6","4","4","7","1") = "6"
    & skf21("3","7","3","6","4","5","1","1") = "6"
    & skf21("3","7","3","6","4","5","2","1") = "6"
    & skf21("3","7","3","6","4","5","3","1") = "6"
    & skf21("3","7","3","6","4","5","4","1") = "6"
    & skf21("3","7","3","6","4","5","5","1") = "6"
    & skf21("3","7","3","6","4","5","6","1") = "6"
    & skf21("3","7","3","6","4","5","7","1") = "6"
    & skf21("3","7","3","6","4","6","1","1") = "6"
    & skf21("3","7","3","6","4","6","2","1") = "6"
    & skf21("3","7","3","6","4","6","3","1") = "6"
    & skf21("3","7","3","6","4","6","4","1") = "6"
    & skf21("3","7","3","6","4","6","5","1") = "6"
    & skf21("3","7","3","6","4","6","6","1") = "6"
    & skf21("3","7","3","6","4","6","7","1") = "6"
    & skf21("3","7","3","6","4","7","1","1") = "6"
    & skf21("3","7","3","6","4","7","2","1") = "6"
    & skf21("3","7","3","6","4","7","3","1") = "6"
    & skf21("3","7","3","6","4","7","4","1") = "6"
    & skf21("3","7","3","6","4","7","5","1") = "6"
    & skf21("3","7","3","6","4","7","6","1") = "6"
    & skf21("3","7","3","6","4","7","7","1") = "6"
    & skf21("3","7","3","6","5","1","1","1") = "6"
    & skf21("3","7","3","6","5","1","2","1") = "6"
    & skf21("3","7","3","6","5","1","3","1") = "6"
    & skf21("3","7","3","6","5","1","4","1") = "6"
    & skf21("3","7","3","6","5","1","5","1") = "6"
    & skf21("3","7","3","6","5","1","6","1") = "6"
    & skf21("3","7","3","6","5","1","7","1") = "6"
    & skf21("3","7","3","6","5","2","1","1") = "6"
    & skf21("3","7","3","6","5","2","2","1") = "6"
    & skf21("3","7","3","6","5","2","3","1") = "6"
    & skf21("3","7","3","6","5","2","4","1") = "6"
    & skf21("3","7","3","6","5","2","5","1") = "6"
    & skf21("3","7","3","6","5","2","6","1") = "6"
    & skf21("3","7","3","6","5","2","7","1") = "6"
    & skf21("3","7","3","6","5","3","1","1") = "6"
    & skf21("3","7","3","6","5","3","2","1") = "6"
    & skf21("3","7","3","6","5","3","3","1") = "6"
    & skf21("3","7","3","6","5","3","4","1") = "6"
    & skf21("3","7","3","6","5","3","5","1") = "6"
    & skf21("3","7","3","6","5","3","6","1") = "6"
    & skf21("3","7","3","6","5","3","7","1") = "6"
    & skf21("3","7","3","6","5","4","1","1") = "6"
    & skf21("3","7","3","6","5","4","2","1") = "6"
    & skf21("3","7","3","6","5","4","3","1") = "6"
    & skf21("3","7","3","6","5","4","4","1") = "6"
    & skf21("3","7","3","6","5","4","5","1") = "6"
    & skf21("3","7","3","6","5","4","6","1") = "6"
    & skf21("3","7","3","6","5","4","7","1") = "6"
    & skf21("3","7","3","6","5","5","1","1") = "6"
    & skf21("3","7","3","6","5","5","2","1") = "6"
    & skf21("3","7","3","6","5","5","3","1") = "6"
    & skf21("3","7","3","6","5","5","4","1") = "6"
    & skf21("3","7","3","6","5","5","5","1") = "6"
    & skf21("3","7","3","6","5","5","6","1") = "6"
    & skf21("3","7","3","6","5","5","7","1") = "6"
    & skf21("3","7","3","6","5","6","1","1") = "6"
    & skf21("3","7","3","6","5","6","2","1") = "6"
    & skf21("3","7","3","6","5","6","3","1") = "6"
    & skf21("3","7","3","6","5","6","4","1") = "6"
    & skf21("3","7","3","6","5","6","5","1") = "6"
    & skf21("3","7","3","6","5","6","6","1") = "6"
    & skf21("3","7","3","6","5","6","7","1") = "6"
    & skf21("3","7","3","6","5","7","1","1") = "6"
    & skf21("3","7","3","6","5","7","2","1") = "6"
    & skf21("3","7","3","6","5","7","3","1") = "6"
    & skf21("3","7","3","6","5","7","4","1") = "6"
    & skf21("3","7","3","6","5","7","5","1") = "6"
    & skf21("3","7","3","6","5","7","6","1") = "6"
    & skf21("3","7","3","6","5","7","7","1") = "6"
    & skf21("3","7","3","6","6","1","1","1") = "6"
    & skf21("3","7","3","6","6","1","2","1") = "6"
    & skf21("3","7","3","6","6","1","3","1") = "6"
    & skf21("3","7","3","6","6","1","4","1") = "6"
    & skf21("3","7","3","6","6","1","5","1") = "6"
    & skf21("3","7","3","6","6","1","6","1") = "6"
    & skf21("3","7","3","6","6","1","7","1") = "6"
    & skf21("3","7","3","6","6","2","1","1") = "6"
    & skf21("3","7","3","6","6","2","2","1") = "6"
    & skf21("3","7","3","6","6","2","3","1") = "6"
    & skf21("3","7","3","6","6","2","4","1") = "6"
    & skf21("3","7","3","6","6","2","5","1") = "6"
    & skf21("3","7","3","6","6","2","6","1") = "6"
    & skf21("3","7","3","6","6","2","7","1") = "6"
    & skf21("3","7","3","6","6","3","1","1") = "6"
    & skf21("3","7","3","6","6","3","2","1") = "6"
    & skf21("3","7","3","6","6","3","3","1") = "6"
    & skf21("3","7","3","6","6","3","4","1") = "6"
    & skf21("3","7","3","6","6","3","5","1") = "6"
    & skf21("3","7","3","6","6","3","6","1") = "6"
    & skf21("3","7","3","6","6","3","7","1") = "6"
    & skf21("3","7","3","6","6","4","1","1") = "6"
    & skf21("3","7","3","6","6","4","2","1") = "6"
    & skf21("3","7","3","6","6","4","3","1") = "6"
    & skf21("3","7","3","6","6","4","4","1") = "6"
    & skf21("3","7","3","6","6","4","5","1") = "6"
    & skf21("3","7","3","6","6","4","6","1") = "6"
    & skf21("3","7","3","6","6","4","7","1") = "6"
    & skf21("3","7","3","6","6","5","1","1") = "6"
    & skf21("3","7","3","6","6","5","2","1") = "6"
    & skf21("3","7","3","6","6","5","3","1") = "6"
    & skf21("3","7","3","6","6","5","4","1") = "6"
    & skf21("3","7","3","6","6","5","5","1") = "6"
    & skf21("3","7","3","6","6","5","6","1") = "6"
    & skf21("3","7","3","6","6","5","7","1") = "6"
    & skf21("3","7","3","6","6","6","1","1") = "6"
    & skf21("3","7","3","6","6","6","2","1") = "6"
    & skf21("3","7","3","6","6","6","3","1") = "6"
    & skf21("3","7","3","6","6","6","4","1") = "6"
    & skf21("3","7","3","6","6","6","5","1") = "6"
    & skf21("3","7","3","6","6","6","6","1") = "6"
    & skf21("3","7","3","6","6","6","7","1") = "6"
    & skf21("3","7","3","6","6","7","1","1") = "6"
    & skf21("3","7","3","6","6","7","2","1") = "6"
    & skf21("3","7","3","6","6","7","3","1") = "6"
    & skf21("3","7","3","6","6","7","4","1") = "6"
    & skf21("3","7","3","6","6","7","5","1") = "6"
    & skf21("3","7","3","6","6","7","6","1") = "6"
    & skf21("3","7","3","6","6","7","7","1") = "6"
    & skf21("3","7","3","6","7","1","1","1") = "6"
    & skf21("3","7","3","6","7","1","2","1") = "6"
    & skf21("3","7","3","6","7","1","3","1") = "6"
    & skf21("3","7","3","6","7","1","4","1") = "6"
    & skf21("3","7","3","6","7","1","5","1") = "6"
    & skf21("3","7","3","6","7","1","6","1") = "6"
    & skf21("3","7","3","6","7","1","7","1") = "6"
    & skf21("3","7","3","6","7","2","1","1") = "6"
    & skf21("3","7","3","6","7","2","2","1") = "6"
    & skf21("3","7","3","6","7","2","3","1") = "6"
    & skf21("3","7","3","6","7","2","4","1") = "6"
    & skf21("3","7","3","6","7","2","5","1") = "6"
    & skf21("3","7","3","6","7","2","6","1") = "6"
    & skf21("3","7","3","6","7","2","7","1") = "6"
    & skf21("3","7","3","6","7","3","1","1") = "6"
    & skf21("3","7","3","6","7","3","2","1") = "6"
    & skf21("3","7","3","6","7","3","3","1") = "6"
    & skf21("3","7","3","6","7","3","4","1") = "6"
    & skf21("3","7","3","6","7","3","5","1") = "6"
    & skf21("3","7","3","6","7","3","6","1") = "6"
    & skf21("3","7","3","6","7","3","7","1") = "6"
    & skf21("3","7","3","6","7","4","1","1") = "6"
    & skf21("3","7","3","6","7","4","2","1") = "6"
    & skf21("3","7","3","6","7","4","3","1") = "6"
    & skf21("3","7","3","6","7","4","4","1") = "6"
    & skf21("3","7","3","6","7","4","5","1") = "6"
    & skf21("3","7","3","6","7","4","6","1") = "6"
    & skf21("3","7","3","6","7","4","7","1") = "6"
    & skf21("3","7","3","6","7","5","1","1") = "6"
    & skf21("3","7","3","6","7","5","2","1") = "6"
    & skf21("3","7","3","6","7","5","3","1") = "6"
    & skf21("3","7","3","6","7","5","4","1") = "6"
    & skf21("3","7","3","6","7","5","5","1") = "6"
    & skf21("3","7","3","6","7","5","6","1") = "6"
    & skf21("3","7","3","6","7","5","7","1") = "6"
    & skf21("3","7","3","6","7","6","1","1") = "6"
    & skf21("3","7","3","6","7","6","2","1") = "6"
    & skf21("3","7","3","6","7","6","3","1") = "6"
    & skf21("3","7","3","6","7","6","4","1") = "6"
    & skf21("3","7","3","6","7","6","5","1") = "6"
    & skf21("3","7","3","6","7","6","6","1") = "6"
    & skf21("3","7","3","6","7","6","7","1") = "6"
    & skf21("3","7","3","6","7","7","1","1") = "6"
    & skf21("3","7","3","6","7","7","2","1") = "6"
    & skf21("3","7","3","6","7","7","3","1") = "6"
    & skf21("3","7","3","6","7","7","4","1") = "6"
    & skf21("3","7","3","6","7","7","5","1") = "6"
    & skf21("3","7","3","6","7","7","6","1") = "6"
    & skf21("3","7","3","6","7","7","7","1") = "6"
    & skf21("3","7","3","7","1","1","1","1") = "6"
    & skf21("3","7","3","7","1","1","2","1") = "6"
    & skf21("3","7","3","7","1","1","3","1") = "6"
    & skf21("3","7","3","7","1","1","4","1") = "6"
    & skf21("3","7","3","7","1","1","5","1") = "6"
    & skf21("3","7","3","7","1","1","6","1") = "6"
    & skf21("3","7","3","7","1","1","7","1") = "6"
    & skf21("3","7","3","7","1","2","1","1") = "6"
    & skf21("3","7","3","7","1","2","2","1") = "6"
    & skf21("3","7","3","7","1","2","3","1") = "6"
    & skf21("3","7","3","7","1","2","4","1") = "6"
    & skf21("3","7","3","7","1","2","5","1") = "6"
    & skf21("3","7","3","7","1","2","6","1") = "6"
    & skf21("3","7","3","7","1","2","7","1") = "6"
    & skf21("3","7","3","7","1","3","1","1") = "6"
    & skf21("3","7","3","7","1","3","2","1") = "6"
    & skf21("3","7","3","7","1","3","3","1") = "6"
    & skf21("3","7","3","7","1","3","4","1") = "6"
    & skf21("3","7","3","7","1","3","5","1") = "6"
    & skf21("3","7","3","7","1","3","6","1") = "6"
    & skf21("3","7","3","7","1","3","7","1") = "6"
    & skf21("3","7","3","7","1","4","1","1") = "6"
    & skf21("3","7","3","7","1","4","2","1") = "6"
    & skf21("3","7","3","7","1","4","3","1") = "6"
    & skf21("3","7","3","7","1","4","4","1") = "6"
    & skf21("3","7","3","7","1","4","5","1") = "6"
    & skf21("3","7","3","7","1","4","6","1") = "6"
    & skf21("3","7","3","7","1","4","7","1") = "6"
    & skf21("3","7","3","7","1","5","1","1") = "6"
    & skf21("3","7","3","7","1","5","2","1") = "6"
    & skf21("3","7","3","7","1","5","3","1") = "6"
    & skf21("3","7","3","7","1","5","4","1") = "6"
    & skf21("3","7","3","7","1","5","5","1") = "6"
    & skf21("3","7","3","7","1","5","6","1") = "6"
    & skf21("3","7","3","7","1","5","7","1") = "6"
    & skf21("3","7","3","7","1","6","1","1") = "6"
    & skf21("3","7","3","7","1","6","2","1") = "6"
    & skf21("3","7","3","7","1","6","3","1") = "6"
    & skf21("3","7","3","7","1","6","4","1") = "6"
    & skf21("3","7","3","7","1","6","5","1") = "6"
    & skf21("3","7","3","7","1","6","6","1") = "6"
    & skf21("3","7","3","7","1","6","7","1") = "6"
    & skf21("3","7","3","7","1","7","1","1") = "6"
    & skf21("3","7","3","7","1","7","2","1") = "6"
    & skf21("3","7","3","7","1","7","3","1") = "6"
    & skf21("3","7","3","7","1","7","4","1") = "6"
    & skf21("3","7","3","7","1","7","5","1") = "6"
    & skf21("3","7","3","7","1","7","6","1") = "6"
    & skf21("3","7","3","7","1","7","7","1") = "6"
    & skf21("3","7","3","7","2","1","1","1") = "6"
    & skf21("3","7","3","7","2","1","2","1") = "6"
    & skf21("3","7","3","7","2","1","3","1") = "6"
    & skf21("3","7","3","7","2","1","4","1") = "6"
    & skf21("3","7","3","7","2","1","5","1") = "6"
    & skf21("3","7","3","7","2","1","6","1") = "6"
    & skf21("3","7","3","7","2","1","7","1") = "6"
    & skf21("3","7","3","7","2","2","1","1") = "6"
    & skf21("3","7","3","7","2","2","2","1") = "6"
    & skf21("3","7","3","7","2","2","3","1") = "6"
    & skf21("3","7","3","7","2","2","4","1") = "6"
    & skf21("3","7","3","7","2","2","5","1") = "6"
    & skf21("3","7","3","7","2","2","6","1") = "6"
    & skf21("3","7","3","7","2","2","7","1") = "6"
    & skf21("3","7","3","7","2","3","1","1") = "6"
    & skf21("3","7","3","7","2","3","2","1") = "6"
    & skf21("3","7","3","7","2","3","3","1") = "6"
    & skf21("3","7","3","7","2","3","4","1") = "6"
    & skf21("3","7","3","7","2","3","5","1") = "6"
    & skf21("3","7","3","7","2","3","6","1") = "6"
    & skf21("3","7","3","7","2","3","7","1") = "6"
    & skf21("3","7","3","7","2","4","1","1") = "6"
    & skf21("3","7","3","7","2","4","2","1") = "6"
    & skf21("3","7","3","7","2","4","3","1") = "6"
    & skf21("3","7","3","7","2","4","4","1") = "6"
    & skf21("3","7","3","7","2","4","5","1") = "6"
    & skf21("3","7","3","7","2","4","6","1") = "6"
    & skf21("3","7","3","7","2","4","7","1") = "6"
    & skf21("3","7","3","7","2","5","1","1") = "6"
    & skf21("3","7","3","7","2","5","2","1") = "6"
    & skf21("3","7","3","7","2","5","3","1") = "6"
    & skf21("3","7","3","7","2","5","4","1") = "6"
    & skf21("3","7","3","7","2","5","5","1") = "6"
    & skf21("3","7","3","7","2","5","6","1") = "6"
    & skf21("3","7","3","7","2","5","7","1") = "6"
    & skf21("3","7","3","7","2","6","1","1") = "6"
    & skf21("3","7","3","7","2","6","2","1") = "6"
    & skf21("3","7","3","7","2","6","3","1") = "6"
    & skf21("3","7","3","7","2","6","4","1") = "6"
    & skf21("3","7","3","7","2","6","5","1") = "6"
    & skf21("3","7","3","7","2","6","6","1") = "6"
    & skf21("3","7","3","7","2","6","7","1") = "6"
    & skf21("3","7","3","7","2","7","1","1") = "6"
    & skf21("3","7","3","7","2","7","2","1") = "6"
    & skf21("3","7","3","7","2","7","3","1") = "6"
    & skf21("3","7","3","7","2","7","4","1") = "6"
    & skf21("3","7","3","7","2","7","5","1") = "6"
    & skf21("3","7","3","7","2","7","6","1") = "6"
    & skf21("3","7","3","7","2","7","7","1") = "6"
    & skf21("3","7","3","7","3","1","1","1") = "6"
    & skf21("3","7","3","7","3","1","2","1") = "6"
    & skf21("3","7","3","7","3","1","3","1") = "6"
    & skf21("3","7","3","7","3","1","4","1") = "6"
    & skf21("3","7","3","7","3","1","5","1") = "6"
    & skf21("3","7","3","7","3","1","6","1") = "6"
    & skf21("3","7","3","7","3","1","7","1") = "6"
    & skf21("3","7","3","7","3","2","1","1") = "6"
    & skf21("3","7","3","7","3","2","2","1") = "6"
    & skf21("3","7","3","7","3","2","3","1") = "6"
    & skf21("3","7","3","7","3","2","4","1") = "6"
    & skf21("3","7","3","7","3","2","5","1") = "6"
    & skf21("3","7","3","7","3","2","6","1") = "6"
    & skf21("3","7","3","7","3","2","7","1") = "6"
    & skf21("3","7","3","7","3","3","1","1") = "6"
    & skf21("3","7","3","7","3","3","2","1") = "6"
    & skf21("3","7","3","7","3","3","3","1") = "6"
    & skf21("3","7","3","7","3","3","4","1") = "6"
    & skf21("3","7","3","7","3","3","5","1") = "6"
    & skf21("3","7","3","7","3","3","6","1") = "6"
    & skf21("3","7","3","7","3","3","7","1") = "6"
    & skf21("3","7","3","7","3","4","1","1") = "6"
    & skf21("3","7","3","7","3","4","2","1") = "6"
    & skf21("3","7","3","7","3","4","3","1") = "6"
    & skf21("3","7","3","7","3","4","4","1") = "6"
    & skf21("3","7","3","7","3","4","5","1") = "6"
    & skf21("3","7","3","7","3","4","6","1") = "6"
    & skf21("3","7","3","7","3","4","7","1") = "6"
    & skf21("3","7","3","7","3","5","1","1") = "6"
    & skf21("3","7","3","7","3","5","2","1") = "6"
    & skf21("3","7","3","7","3","5","3","1") = "6"
    & skf21("3","7","3","7","3","5","4","1") = "6"
    & skf21("3","7","3","7","3","5","5","1") = "6"
    & skf21("3","7","3","7","3","5","6","1") = "6"
    & skf21("3","7","3","7","3","5","7","1") = "6"
    & skf21("3","7","3","7","3","6","1","1") = "6"
    & skf21("3","7","3","7","3","6","2","1") = "6"
    & skf21("3","7","3","7","3","6","3","1") = "6"
    & skf21("3","7","3","7","3","6","4","1") = "6"
    & skf21("3","7","3","7","3","6","5","1") = "6"
    & skf21("3","7","3","7","3","6","6","1") = "6"
    & skf21("3","7","3","7","3","6","7","1") = "6"
    & skf21("3","7","3","7","3","7","1","1") = "6"
    & skf21("3","7","3","7","3","7","2","1") = "6"
    & skf21("3","7","3","7","3","7","3","1") = "6"
    & skf21("3","7","3","7","3","7","4","1") = "6"
    & skf21("3","7","3","7","3","7","5","1") = "6"
    & skf21("3","7","3","7","3","7","6","1") = "6"
    & skf21("3","7","3","7","3","7","7","1") = "6"
    & skf21("3","7","3","7","4","1","1","1") = "6"
    & skf21("3","7","3","7","4","1","2","1") = "6"
    & skf21("3","7","3","7","4","1","3","1") = "6"
    & skf21("3","7","3","7","4","1","4","1") = "6"
    & skf21("3","7","3","7","4","1","5","1") = "6"
    & skf21("3","7","3","7","4","1","6","1") = "6"
    & skf21("3","7","3","7","4","1","7","1") = "6"
    & skf21("3","7","3","7","4","2","1","1") = "6"
    & skf21("3","7","3","7","4","2","2","1") = "6"
    & skf21("3","7","3","7","4","2","3","1") = "6"
    & skf21("3","7","3","7","4","2","4","1") = "6"
    & skf21("3","7","3","7","4","2","5","1") = "6"
    & skf21("3","7","3","7","4","2","6","1") = "6"
    & skf21("3","7","3","7","4","2","7","1") = "6"
    & skf21("3","7","3","7","4","3","1","1") = "6"
    & skf21("3","7","3","7","4","3","2","1") = "6"
    & skf21("3","7","3","7","4","3","3","1") = "6"
    & skf21("3","7","3","7","4","3","4","1") = "6"
    & skf21("3","7","3","7","4","3","5","1") = "6"
    & skf21("3","7","3","7","4","3","6","1") = "6"
    & skf21("3","7","3","7","4","3","7","1") = "6"
    & skf21("3","7","3","7","4","4","1","1") = "6"
    & skf21("3","7","3","7","4","4","2","1") = "6"
    & skf21("3","7","3","7","4","4","3","1") = "6"
    & skf21("3","7","3","7","4","4","4","1") = "6"
    & skf21("3","7","3","7","4","4","5","1") = "6"
    & skf21("3","7","3","7","4","4","6","1") = "6"
    & skf21("3","7","3","7","4","4","7","1") = "6"
    & skf21("3","7","3","7","4","5","1","1") = "6"
    & skf21("3","7","3","7","4","5","2","1") = "6"
    & skf21("3","7","3","7","4","5","3","1") = "6"
    & skf21("3","7","3","7","4","5","4","1") = "6"
    & skf21("3","7","3","7","4","5","5","1") = "6"
    & skf21("3","7","3","7","4","5","6","1") = "6"
    & skf21("3","7","3","7","4","5","7","1") = "6"
    & skf21("3","7","3","7","4","6","1","1") = "6"
    & skf21("3","7","3","7","4","6","2","1") = "6"
    & skf21("3","7","3","7","4","6","3","1") = "6"
    & skf21("3","7","3","7","4","6","4","1") = "6"
    & skf21("3","7","3","7","4","6","5","1") = "6"
    & skf21("3","7","3","7","4","6","6","1") = "6"
    & skf21("3","7","3","7","4","6","7","1") = "6"
    & skf21("3","7","3","7","4","7","1","1") = "6"
    & skf21("3","7","3","7","4","7","2","1") = "6"
    & skf21("3","7","3","7","4","7","3","1") = "6"
    & skf21("3","7","3","7","4","7","4","1") = "6"
    & skf21("3","7","3","7","4","7","5","1") = "6"
    & skf21("3","7","3","7","4","7","6","1") = "6"
    & skf21("3","7","3","7","4","7","7","1") = "6"
    & skf21("3","7","3","7","5","1","1","1") = "6"
    & skf21("3","7","3","7","5","1","2","1") = "6"
    & skf21("3","7","3","7","5","1","3","1") = "6"
    & skf21("3","7","3","7","5","1","4","1") = "6"
    & skf21("3","7","3","7","5","1","5","1") = "6"
    & skf21("3","7","3","7","5","1","6","1") = "6"
    & skf21("3","7","3","7","5","1","7","1") = "6"
    & skf21("3","7","3","7","5","2","1","1") = "6"
    & skf21("3","7","3","7","5","2","2","1") = "6"
    & skf21("3","7","3","7","5","2","3","1") = "6"
    & skf21("3","7","3","7","5","2","4","1") = "6"
    & skf21("3","7","3","7","5","2","5","1") = "6"
    & skf21("3","7","3","7","5","2","6","1") = "6"
    & skf21("3","7","3","7","5","2","7","1") = "6"
    & skf21("3","7","3","7","5","3","1","1") = "6"
    & skf21("3","7","3","7","5","3","2","1") = "6"
    & skf21("3","7","3","7","5","3","3","1") = "6"
    & skf21("3","7","3","7","5","3","4","1") = "6"
    & skf21("3","7","3","7","5","3","5","1") = "6"
    & skf21("3","7","3","7","5","3","6","1") = "6"
    & skf21("3","7","3","7","5","3","7","1") = "6"
    & skf21("3","7","3","7","5","4","1","1") = "6"
    & skf21("3","7","3","7","5","4","2","1") = "6"
    & skf21("3","7","3","7","5","4","3","1") = "6"
    & skf21("3","7","3","7","5","4","4","1") = "6"
    & skf21("3","7","3","7","5","4","5","1") = "6"
    & skf21("3","7","3","7","5","4","6","1") = "6"
    & skf21("3","7","3","7","5","4","7","1") = "6"
    & skf21("3","7","3","7","5","5","1","1") = "6"
    & skf21("3","7","3","7","5","5","2","1") = "6"
    & skf21("3","7","3","7","5","5","3","1") = "6"
    & skf21("3","7","3","7","5","5","4","1") = "6"
    & skf21("3","7","3","7","5","5","5","1") = "6"
    & skf21("3","7","3","7","5","5","6","1") = "6"
    & skf21("3","7","3","7","5","5","7","1") = "6"
    & skf21("3","7","3","7","5","6","1","1") = "6"
    & skf21("3","7","3","7","5","6","2","1") = "6"
    & skf21("3","7","3","7","5","6","3","1") = "6"
    & skf21("3","7","3","7","5","6","4","1") = "6"
    & skf21("3","7","3","7","5","6","5","1") = "6"
    & skf21("3","7","3","7","5","6","6","1") = "6"
    & skf21("3","7","3","7","5","6","7","1") = "6"
    & skf21("3","7","3","7","5","7","1","1") = "6"
    & skf21("3","7","3","7","5","7","2","1") = "6"
    & skf21("3","7","3","7","5","7","3","1") = "6"
    & skf21("3","7","3","7","5","7","4","1") = "6"
    & skf21("3","7","3","7","5","7","5","1") = "6"
    & skf21("3","7","3","7","5","7","6","1") = "6"
    & skf21("3","7","3","7","5","7","7","1") = "6"
    & skf21("3","7","3","7","6","1","1","1") = "6"
    & skf21("3","7","3","7","6","1","2","1") = "6"
    & skf21("3","7","3","7","6","1","3","1") = "6"
    & skf21("3","7","3","7","6","1","4","1") = "6"
    & skf21("3","7","3","7","6","1","5","1") = "6"
    & skf21("3","7","3","7","6","1","6","1") = "6"
    & skf21("3","7","3","7","6","1","7","1") = "6"
    & skf21("3","7","3","7","6","2","1","1") = "6"
    & skf21("3","7","3","7","6","2","2","1") = "6"
    & skf21("3","7","3","7","6","2","3","1") = "6"
    & skf21("3","7","3","7","6","2","4","1") = "6"
    & skf21("3","7","3","7","6","2","5","1") = "6"
    & skf21("3","7","3","7","6","2","6","1") = "6"
    & skf21("3","7","3","7","6","2","7","1") = "6"
    & skf21("3","7","3","7","6","3","1","1") = "6"
    & skf21("3","7","3","7","6","3","2","1") = "6"
    & skf21("3","7","3","7","6","3","3","1") = "6"
    & skf21("3","7","3","7","6","3","4","1") = "6"
    & skf21("3","7","3","7","6","3","5","1") = "6"
    & skf21("3","7","3","7","6","3","6","1") = "6"
    & skf21("3","7","3","7","6","3","7","1") = "6"
    & skf21("3","7","3","7","6","4","1","1") = "6"
    & skf21("3","7","3","7","6","4","2","1") = "6"
    & skf21("3","7","3","7","6","4","3","1") = "6"
    & skf21("3","7","3","7","6","4","4","1") = "6"
    & skf21("3","7","3","7","6","4","5","1") = "6"
    & skf21("3","7","3","7","6","4","6","1") = "6"
    & skf21("3","7","3","7","6","4","7","1") = "6"
    & skf21("3","7","3","7","6","5","1","1") = "6"
    & skf21("3","7","3","7","6","5","2","1") = "6"
    & skf21("3","7","3","7","6","5","3","1") = "6"
    & skf21("3","7","3","7","6","5","4","1") = "6"
    & skf21("3","7","3","7","6","5","5","1") = "6"
    & skf21("3","7","3","7","6","5","6","1") = "6"
    & skf21("3","7","3","7","6","5","7","1") = "6"
    & skf21("3","7","3","7","6","6","1","1") = "6"
    & skf21("3","7","3","7","6","6","2","1") = "6"
    & skf21("3","7","3","7","6","6","3","1") = "6"
    & skf21("3","7","3","7","6","6","4","1") = "6"
    & skf21("3","7","3","7","6","6","5","1") = "6"
    & skf21("3","7","3","7","6","6","6","1") = "6"
    & skf21("3","7","3","7","6","6","7","1") = "6"
    & skf21("3","7","3","7","6","7","1","1") = "6"
    & skf21("3","7","3","7","6","7","2","1") = "6"
    & skf21("3","7","3","7","6","7","3","1") = "6"
    & skf21("3","7","3","7","6","7","4","1") = "6"
    & skf21("3","7","3","7","6","7","5","1") = "6"
    & skf21("3","7","3","7","6","7","6","1") = "6"
    & skf21("3","7","3","7","6","7","7","1") = "6"
    & skf21("3","7","3","7","7","1","1","1") = "6"
    & skf21("3","7","3","7","7","1","2","1") = "6"
    & skf21("3","7","3","7","7","1","3","1") = "6"
    & skf21("3","7","3","7","7","1","4","1") = "6"
    & skf21("3","7","3","7","7","1","5","1") = "6"
    & skf21("3","7","3","7","7","1","6","1") = "6"
    & skf21("3","7","3","7","7","1","7","1") = "6"
    & skf21("3","7","3","7","7","2","1","1") = "6"
    & skf21("3","7","3","7","7","2","2","1") = "6"
    & skf21("3","7","3","7","7","2","3","1") = "6"
    & skf21("3","7","3","7","7","2","4","1") = "6"
    & skf21("3","7","3","7","7","2","5","1") = "6"
    & skf21("3","7","3","7","7","2","6","1") = "6"
    & skf21("3","7","3","7","7","2","7","1") = "6"
    & skf21("3","7","3","7","7","3","1","1") = "6"
    & skf21("3","7","3","7","7","3","2","1") = "6"
    & skf21("3","7","3","7","7","3","3","1") = "6"
    & skf21("3","7","3","7","7","3","4","1") = "6"
    & skf21("3","7","3","7","7","3","5","1") = "6"
    & skf21("3","7","3","7","7","3","6","1") = "6"
    & skf21("3","7","3","7","7","3","7","1") = "6"
    & skf21("3","7","3","7","7","4","1","1") = "6"
    & skf21("3","7","3","7","7","4","2","1") = "6"
    & skf21("3","7","3","7","7","4","3","1") = "6"
    & skf21("3","7","3","7","7","4","4","1") = "6"
    & skf21("3","7","3","7","7","4","5","1") = "6"
    & skf21("3","7","3","7","7","4","6","1") = "6"
    & skf21("3","7","3","7","7","4","7","1") = "6"
    & skf21("3","7","3","7","7","5","1","1") = "6"
    & skf21("3","7","3","7","7","5","2","1") = "6"
    & skf21("3","7","3","7","7","5","3","1") = "6"
    & skf21("3","7","3","7","7","5","4","1") = "6"
    & skf21("3","7","3","7","7","5","5","1") = "6"
    & skf21("3","7","3","7","7","5","6","1") = "6"
    & skf21("3","7","3","7","7","5","7","1") = "6"
    & skf21("3","7","3","7","7","6","1","1") = "6"
    & skf21("3","7","3","7","7","6","2","1") = "6"
    & skf21("3","7","3","7","7","6","3","1") = "6"
    & skf21("3","7","3","7","7","6","4","1") = "6"
    & skf21("3","7","3","7","7","6","5","1") = "6"
    & skf21("3","7","3","7","7","6","6","1") = "6"
    & skf21("3","7","3","7","7","6","7","1") = "6"
    & skf21("3","7","3","7","7","7","1","1") = "6"
    & skf21("3","7","3","7","7","7","2","1") = "6"
    & skf21("3","7","3","7","7","7","3","1") = "6"
    & skf21("3","7","3","7","7","7","4","1") = "6"
    & skf21("3","7","3","7","7","7","5","1") = "6"
    & skf21("3","7","3","7","7","7","6","1") = "6"
    & skf21("3","7","3","7","7","7","7","1") = "6"
    & skf21("3","7","4","1","1","1","1","1") = "6"
    & skf21("3","7","4","1","1","1","2","1") = "6"
    & skf21("3","7","4","1","1","1","3","1") = "6"
    & skf21("3","7","4","1","1","1","4","1") = "6"
    & skf21("3","7","4","1","1","1","5","1") = "6"
    & skf21("3","7","4","1","1","1","6","1") = "6"
    & skf21("3","7","4","1","1","1","7","1") = "6"
    & skf21("3","7","4","1","1","2","1","1") = "6"
    & skf21("3","7","4","1","1","2","2","1") = "6"
    & skf21("3","7","4","1","1","2","3","1") = "6"
    & skf21("3","7","4","1","1","2","4","1") = "6"
    & skf21("3","7","4","1","1","2","5","1") = "6"
    & skf21("3","7","4","1","1","2","6","1") = "6"
    & skf21("3","7","4","1","1","2","7","1") = "6"
    & skf21("3","7","4","1","1","3","1","1") = "6"
    & skf21("3","7","4","1","1","3","2","1") = "6"
    & skf21("3","7","4","1","1","3","3","1") = "6"
    & skf21("3","7","4","1","1","3","4","1") = "6"
    & skf21("3","7","4","1","1","3","5","1") = "6"
    & skf21("3","7","4","1","1","3","6","1") = "6"
    & skf21("3","7","4","1","1","3","7","1") = "6"
    & skf21("3","7","4","1","1","4","1","1") = "6"
    & skf21("3","7","4","1","1","4","2","1") = "6"
    & skf21("3","7","4","1","1","4","3","1") = "6"
    & skf21("3","7","4","1","1","4","4","1") = "6"
    & skf21("3","7","4","1","1","4","5","1") = "6"
    & skf21("3","7","4","1","1","4","6","1") = "6"
    & skf21("3","7","4","1","1","4","7","1") = "6"
    & skf21("3","7","4","1","1","5","1","1") = "6"
    & skf21("3","7","4","1","1","5","2","1") = "6"
    & skf21("3","7","4","1","1","5","3","1") = "6"
    & skf21("3","7","4","1","1","5","4","1") = "6"
    & skf21("3","7","4","1","1","5","5","1") = "6"
    & skf21("3","7","4","1","1","5","6","1") = "6"
    & skf21("3","7","4","1","1","5","7","1") = "6"
    & skf21("3","7","4","1","1","6","1","1") = "6"
    & skf21("3","7","4","1","1","6","2","1") = "6"
    & skf21("3","7","4","1","1","6","3","1") = "6"
    & skf21("3","7","4","1","1","6","4","1") = "6"
    & skf21("3","7","4","1","1","6","5","1") = "6"
    & skf21("3","7","4","1","1","6","6","1") = "6"
    & skf21("3","7","4","1","1","6","7","1") = "6"
    & skf21("3","7","4","1","1","7","1","1") = "6"
    & skf21("3","7","4","1","1","7","2","1") = "6"
    & skf21("3","7","4","1","1","7","3","1") = "6"
    & skf21("3","7","4","1","1","7","4","1") = "6"
    & skf21("3","7","4","1","1","7","5","1") = "6"
    & skf21("3","7","4","1","1","7","6","1") = "6"
    & skf21("3","7","4","1","1","7","7","1") = "6"
    & skf21("3","7","4","1","2","1","1","1") = "6"
    & skf21("3","7","4","1","2","1","2","1") = "6"
    & skf21("3","7","4","1","2","1","3","1") = "6"
    & skf21("3","7","4","1","2","1","4","1") = "6"
    & skf21("3","7","4","1","2","1","5","1") = "6"
    & skf21("3","7","4","1","2","1","6","1") = "6"
    & skf21("3","7","4","1","2","1","7","1") = "6"
    & skf21("3","7","4","1","2","2","1","1") = "6"
    & skf21("3","7","4","1","2","2","2","1") = "6"
    & skf21("3","7","4","1","2","2","3","1") = "6"
    & skf21("3","7","4","1","2","2","4","1") = "6"
    & skf21("3","7","4","1","2","2","5","1") = "6"
    & skf21("3","7","4","1","2","2","6","1") = "6"
    & skf21("3","7","4","1","2","2","7","1") = "6"
    & skf21("3","7","4","1","2","3","1","1") = "6"
    & skf21("3","7","4","1","2","3","2","1") = "6"
    & skf21("3","7","4","1","2","3","3","1") = "6"
    & skf21("3","7","4","1","2","3","4","1") = "6"
    & skf21("3","7","4","1","2","3","5","1") = "6"
    & skf21("3","7","4","1","2","3","6","1") = "6"
    & skf21("3","7","4","1","2","3","7","1") = "6"
    & skf21("3","7","4","1","2","4","1","1") = "6"
    & skf21("3","7","4","1","2","4","2","1") = "6"
    & skf21("3","7","4","1","2","4","3","1") = "6"
    & skf21("3","7","4","1","2","4","4","1") = "6"
    & skf21("3","7","4","1","2","4","5","1") = "6"
    & skf21("3","7","4","1","2","4","6","1") = "6"
    & skf21("3","7","4","1","2","4","7","1") = "6"
    & skf21("3","7","4","1","2","5","1","1") = "6"
    & skf21("3","7","4","1","2","5","2","1") = "6"
    & skf21("3","7","4","1","2","5","3","1") = "6"
    & skf21("3","7","4","1","2","5","4","1") = "6"
    & skf21("3","7","4","1","2","5","5","1") = "6"
    & skf21("3","7","4","1","2","5","6","1") = "6"
    & skf21("3","7","4","1","2","5","7","1") = "6"
    & skf21("3","7","4","1","2","6","1","1") = "6"
    & skf21("3","7","4","1","2","6","2","1") = "6"
    & skf21("3","7","4","1","2","6","3","1") = "6"
    & skf21("3","7","4","1","2","6","4","1") = "6"
    & skf21("3","7","4","1","2","6","5","1") = "6"
    & skf21("3","7","4","1","2","6","6","1") = "6"
    & skf21("3","7","4","1","2","6","7","1") = "6"
    & skf21("3","7","4","1","2","7","1","1") = "6"
    & skf21("3","7","4","1","2","7","2","1") = "6"
    & skf21("3","7","4","1","2","7","3","1") = "6"
    & skf21("3","7","4","1","2","7","4","1") = "6"
    & skf21("3","7","4","1","2","7","5","1") = "6"
    & skf21("3","7","4","1","2","7","6","1") = "6"
    & skf21("3","7","4","1","2","7","7","1") = "6"
    & skf21("3","7","4","1","3","1","1","1") = "6"
    & skf21("3","7","4","1","3","1","2","1") = "6"
    & skf21("3","7","4","1","3","1","3","1") = "6"
    & skf21("3","7","4","1","3","1","4","1") = "6"
    & skf21("3","7","4","1","3","1","5","1") = "6"
    & skf21("3","7","4","1","3","1","6","1") = "6"
    & skf21("3","7","4","1","3","1","7","1") = "6"
    & skf21("3","7","4","1","3","2","1","1") = "6"
    & skf21("3","7","4","1","3","2","2","1") = "6"
    & skf21("3","7","4","1","3","2","3","1") = "6"
    & skf21("3","7","4","1","3","2","4","1") = "6"
    & skf21("3","7","4","1","3","2","5","1") = "6"
    & skf21("3","7","4","1","3","2","6","1") = "6"
    & skf21("3","7","4","1","3","2","7","1") = "6"
    & skf21("3","7","4","1","3","3","1","1") = "6"
    & skf21("3","7","4","1","3","3","2","1") = "6"
    & skf21("3","7","4","1","3","3","3","1") = "6"
    & skf21("3","7","4","1","3","3","4","1") = "6"
    & skf21("3","7","4","1","3","3","5","1") = "6"
    & skf21("3","7","4","1","3","3","6","1") = "6"
    & skf21("3","7","4","1","3","3","7","1") = "6"
    & skf21("3","7","4","1","3","4","1","1") = "6"
    & skf21("3","7","4","1","3","4","2","1") = "6"
    & skf21("3","7","4","1","3","4","3","1") = "6"
    & skf21("3","7","4","1","3","4","4","1") = "6"
    & skf21("3","7","4","1","3","4","5","1") = "6"
    & skf21("3","7","4","1","3","4","6","1") = "6"
    & skf21("3","7","4","1","3","4","7","1") = "6"
    & skf21("3","7","4","1","3","5","1","1") = "6"
    & skf21("3","7","4","1","3","5","2","1") = "6"
    & skf21("3","7","4","1","3","5","3","1") = "6"
    & skf21("3","7","4","1","3","5","4","1") = "6"
    & skf21("3","7","4","1","3","5","5","1") = "6"
    & skf21("3","7","4","1","3","5","6","1") = "6"
    & skf21("3","7","4","1","3","5","7","1") = "6"
    & skf21("3","7","4","1","3","6","1","1") = "6"
    & skf21("3","7","4","1","3","6","2","1") = "6"
    & skf21("3","7","4","1","3","6","3","1") = "6"
    & skf21("3","7","4","1","3","6","4","1") = "6"
    & skf21("3","7","4","1","3","6","5","1") = "6"
    & skf21("3","7","4","1","3","6","6","1") = "6"
    & skf21("3","7","4","1","3","6","7","1") = "6"
    & skf21("3","7","4","1","3","7","1","1") = "6"
    & skf21("3","7","4","1","3","7","2","1") = "6"
    & skf21("3","7","4","1","3","7","3","1") = "6"
    & skf21("3","7","4","1","3","7","4","1") = "6"
    & skf21("3","7","4","1","3","7","5","1") = "6"
    & skf21("3","7","4","1","3","7","6","1") = "6"
    & skf21("3","7","4","1","3","7","7","1") = "6"
    & skf21("3","7","4","1","4","1","1","1") = "6"
    & skf21("3","7","4","1","4","1","2","1") = "6"
    & skf21("3","7","4","1","4","1","3","1") = "6"
    & skf21("3","7","4","1","4","1","4","1") = "6"
    & skf21("3","7","4","1","4","1","5","1") = "6"
    & skf21("3","7","4","1","4","1","6","1") = "6"
    & skf21("3","7","4","1","4","1","7","1") = "6"
    & skf21("3","7","4","1","4","2","1","1") = "6"
    & skf21("3","7","4","1","4","2","2","1") = "6"
    & skf21("3","7","4","1","4","2","3","1") = "6"
    & skf21("3","7","4","1","4","2","4","1") = "6"
    & skf21("3","7","4","1","4","2","5","1") = "6"
    & skf21("3","7","4","1","4","2","6","1") = "6"
    & skf21("3","7","4","1","4","2","7","1") = "6"
    & skf21("3","7","4","1","4","3","1","1") = "6"
    & skf21("3","7","4","1","4","3","2","1") = "6"
    & skf21("3","7","4","1","4","3","3","1") = "6"
    & skf21("3","7","4","1","4","3","4","1") = "6"
    & skf21("3","7","4","1","4","3","5","1") = "6"
    & skf21("3","7","4","1","4","3","6","1") = "6"
    & skf21("3","7","4","1","4","3","7","1") = "6"
    & skf21("3","7","4","1","4","4","1","1") = "6"
    & skf21("3","7","4","1","4","4","2","1") = "6"
    & skf21("3","7","4","1","4","4","3","1") = "6"
    & skf21("3","7","4","1","4","4","4","1") = "6"
    & skf21("3","7","4","1","4","4","5","1") = "6"
    & skf21("3","7","4","1","4","4","6","1") = "6"
    & skf21("3","7","4","1","4","4","7","1") = "6"
    & skf21("3","7","4","1","4","5","1","1") = "6"
    & skf21("3","7","4","1","4","5","2","1") = "6"
    & skf21("3","7","4","1","4","5","3","1") = "6"
    & skf21("3","7","4","1","4","5","4","1") = "6"
    & skf21("3","7","4","1","4","5","5","1") = "6"
    & skf21("3","7","4","1","4","5","6","1") = "6"
    & skf21("3","7","4","1","4","5","7","1") = "6"
    & skf21("3","7","4","1","4","6","1","1") = "6"
    & skf21("3","7","4","1","4","6","2","1") = "6"
    & skf21("3","7","4","1","4","6","3","1") = "6"
    & skf21("3","7","4","1","4","6","4","1") = "6"
    & skf21("3","7","4","1","4","6","5","1") = "6"
    & skf21("3","7","4","1","4","6","6","1") = "6"
    & skf21("3","7","4","1","4","6","7","1") = "6"
    & skf21("3","7","4","1","4","7","1","1") = "6"
    & skf21("3","7","4","1","4","7","2","1") = "6"
    & skf21("3","7","4","1","4","7","3","1") = "6"
    & skf21("3","7","4","1","4","7","4","1") = "6"
    & skf21("3","7","4","1","4","7","5","1") = "6"
    & skf21("3","7","4","1","4","7","6","1") = "6"
    & skf21("3","7","4","1","4","7","7","1") = "6"
    & skf21("3","7","4","1","5","1","1","1") = "6"
    & skf21("3","7","4","1","5","1","2","1") = "6"
    & skf21("3","7","4","1","5","1","3","1") = "6"
    & skf21("3","7","4","1","5","1","4","1") = "6"
    & skf21("3","7","4","1","5","1","5","1") = "6"
    & skf21("3","7","4","1","5","1","6","1") = "6"
    & skf21("3","7","4","1","5","1","7","1") = "6"
    & skf21("3","7","4","1","5","2","1","1") = "6"
    & skf21("3","7","4","1","5","2","2","1") = "6"
    & skf21("3","7","4","1","5","2","3","1") = "6"
    & skf21("3","7","4","1","5","2","4","1") = "6"
    & skf21("3","7","4","1","5","2","5","1") = "6"
    & skf21("3","7","4","1","5","2","6","1") = "6"
    & skf21("3","7","4","1","5","2","7","1") = "6"
    & skf21("3","7","4","1","5","3","1","1") = "6"
    & skf21("3","7","4","1","5","3","2","1") = "6"
    & skf21("3","7","4","1","5","3","3","1") = "6"
    & skf21("3","7","4","1","5","3","4","1") = "6"
    & skf21("3","7","4","1","5","3","5","1") = "6"
    & skf21("3","7","4","1","5","3","6","1") = "6"
    & skf21("3","7","4","1","5","3","7","1") = "6"
    & skf21("3","7","4","1","5","4","1","1") = "6"
    & skf21("3","7","4","1","5","4","2","1") = "6"
    & skf21("3","7","4","1","5","4","3","1") = "6"
    & skf21("3","7","4","1","5","4","4","1") = "6"
    & skf21("3","7","4","1","5","4","5","1") = "6"
    & skf21("3","7","4","1","5","4","6","1") = "6"
    & skf21("3","7","4","1","5","4","7","1") = "6"
    & skf21("3","7","4","1","5","5","1","1") = "6"
    & skf21("3","7","4","1","5","5","2","1") = "6"
    & skf21("3","7","4","1","5","5","3","1") = "6"
    & skf21("3","7","4","1","5","5","4","1") = "6"
    & skf21("3","7","4","1","5","5","5","1") = "6"
    & skf21("3","7","4","1","5","5","6","1") = "6"
    & skf21("3","7","4","1","5","5","7","1") = "6"
    & skf21("3","7","4","1","5","6","1","1") = "6"
    & skf21("3","7","4","1","5","6","2","1") = "6"
    & skf21("3","7","4","1","5","6","3","1") = "6"
    & skf21("3","7","4","1","5","6","4","1") = "6"
    & skf21("3","7","4","1","5","6","5","1") = "6"
    & skf21("3","7","4","1","5","6","6","1") = "6"
    & skf21("3","7","4","1","5","6","7","1") = "6"
    & skf21("3","7","4","1","5","7","1","1") = "6"
    & skf21("3","7","4","1","5","7","2","1") = "6"
    & skf21("3","7","4","1","5","7","3","1") = "6"
    & skf21("3","7","4","1","5","7","4","1") = "6"
    & skf21("3","7","4","1","5","7","5","1") = "6"
    & skf21("3","7","4","1","5","7","6","1") = "6"
    & skf21("3","7","4","1","5","7","7","1") = "6"
    & skf21("3","7","4","1","6","1","1","1") = "6"
    & skf21("3","7","4","1","6","1","2","1") = "6"
    & skf21("3","7","4","1","6","1","3","1") = "6"
    & skf21("3","7","4","1","6","1","4","1") = "6"
    & skf21("3","7","4","1","6","1","5","1") = "6"
    & skf21("3","7","4","1","6","1","6","1") = "6"
    & skf21("3","7","4","1","6","1","7","1") = "6"
    & skf21("3","7","4","1","6","2","1","1") = "6"
    & skf21("3","7","4","1","6","2","2","1") = "6"
    & skf21("3","7","4","1","6","2","3","1") = "6"
    & skf21("3","7","4","1","6","2","4","1") = "6"
    & skf21("3","7","4","1","6","2","5","1") = "6"
    & skf21("3","7","4","1","6","2","6","1") = "6"
    & skf21("3","7","4","1","6","2","7","1") = "6"
    & skf21("3","7","4","1","6","3","1","1") = "6"
    & skf21("3","7","4","1","6","3","2","1") = "6"
    & skf21("3","7","4","1","6","3","3","1") = "6"
    & skf21("3","7","4","1","6","3","4","1") = "6"
    & skf21("3","7","4","1","6","3","5","1") = "6"
    & skf21("3","7","4","1","6","3","6","1") = "6"
    & skf21("3","7","4","1","6","3","7","1") = "6"
    & skf21("3","7","4","1","6","4","1","1") = "6"
    & skf21("3","7","4","1","6","4","2","1") = "6"
    & skf21("3","7","4","1","6","4","3","1") = "6"
    & skf21("3","7","4","1","6","4","4","1") = "6"
    & skf21("3","7","4","1","6","4","5","1") = "6"
    & skf21("3","7","4","1","6","4","6","1") = "6"
    & skf21("3","7","4","1","6","4","7","1") = "6"
    & skf21("3","7","4","1","6","5","1","1") = "6"
    & skf21("3","7","4","1","6","5","2","1") = "6"
    & skf21("3","7","4","1","6","5","3","1") = "6"
    & skf21("3","7","4","1","6","5","4","1") = "6"
    & skf21("3","7","4","1","6","5","5","1") = "6"
    & skf21("3","7","4","1","6","5","6","1") = "6"
    & skf21("3","7","4","1","6","5","7","1") = "6"
    & skf21("3","7","4","1","6","6","1","1") = "6"
    & skf21("3","7","4","1","6","6","2","1") = "6"
    & skf21("3","7","4","1","6","6","3","1") = "6"
    & skf21("3","7","4","1","6","6","4","1") = "6"
    & skf21("3","7","4","1","6","6","5","1") = "6"
    & skf21("3","7","4","1","6","6","6","1") = "6"
    & skf21("3","7","4","1","6","6","7","1") = "6"
    & skf21("3","7","4","1","6","7","1","1") = "6"
    & skf21("3","7","4","1","6","7","2","1") = "6"
    & skf21("3","7","4","1","6","7","3","1") = "6"
    & skf21("3","7","4","1","6","7","4","1") = "6"
    & skf21("3","7","4","1","6","7","5","1") = "6"
    & skf21("3","7","4","1","6","7","6","1") = "6"
    & skf21("3","7","4","1","6","7","7","1") = "6"
    & skf21("3","7","4","1","7","1","1","1") = "6"
    & skf21("3","7","4","1","7","1","2","1") = "6"
    & skf21("3","7","4","1","7","1","3","1") = "6"
    & skf21("3","7","4","1","7","1","4","1") = "6"
    & skf21("3","7","4","1","7","1","5","1") = "6"
    & skf21("3","7","4","1","7","1","6","1") = "6"
    & skf21("3","7","4","1","7","1","7","1") = "6"
    & skf21("3","7","4","1","7","2","1","1") = "6"
    & skf21("3","7","4","1","7","2","2","1") = "6"
    & skf21("3","7","4","1","7","2","3","1") = "6"
    & skf21("3","7","4","1","7","2","4","1") = "6"
    & skf21("3","7","4","1","7","2","5","1") = "6"
    & skf21("3","7","4","1","7","2","6","1") = "6"
    & skf21("3","7","4","1","7","2","7","1") = "6"
    & skf21("3","7","4","1","7","3","1","1") = "6"
    & skf21("3","7","4","1","7","3","2","1") = "6"
    & skf21("3","7","4","1","7","3","3","1") = "6"
    & skf21("3","7","4","1","7","3","4","1") = "6"
    & skf21("3","7","4","1","7","3","5","1") = "6"
    & skf21("3","7","4","1","7","3","6","1") = "6"
    & skf21("3","7","4","1","7","3","7","1") = "6"
    & skf21("3","7","4","1","7","4","1","1") = "6"
    & skf21("3","7","4","1","7","4","2","1") = "6"
    & skf21("3","7","4","1","7","4","3","1") = "6"
    & skf21("3","7","4","1","7","4","4","1") = "6"
    & skf21("3","7","4","1","7","4","5","1") = "6"
    & skf21("3","7","4","1","7","4","6","1") = "6"
    & skf21("3","7","4","1","7","4","7","1") = "6"
    & skf21("3","7","4","1","7","5","1","1") = "6"
    & skf21("3","7","4","1","7","5","2","1") = "6"
    & skf21("3","7","4","1","7","5","3","1") = "6"
    & skf21("3","7","4","1","7","5","4","1") = "6"
    & skf21("3","7","4","1","7","5","5","1") = "6"
    & skf21("3","7","4","1","7","5","6","1") = "6"
    & skf21("3","7","4","1","7","5","7","1") = "6"
    & skf21("3","7","4","1","7","6","1","1") = "6"
    & skf21("3","7","4","1","7","6","2","1") = "6"
    & skf21("3","7","4","1","7","6","3","1") = "6"
    & skf21("3","7","4","1","7","6","4","1") = "6"
    & skf21("3","7","4","1","7","6","5","1") = "6"
    & skf21("3","7","4","1","7","6","6","1") = "6"
    & skf21("3","7","4","1","7","6","7","1") = "6"
    & skf21("3","7","4","1","7","7","1","1") = "6"
    & skf21("3","7","4","1","7","7","2","1") = "6"
    & skf21("3","7","4","1","7","7","3","1") = "6"
    & skf21("3","7","4","1","7","7","4","1") = "6"
    & skf21("3","7","4","1","7","7","5","1") = "6"
    & skf21("3","7","4","1","7","7","6","1") = "6"
    & skf21("3","7","4","1","7","7","7","1") = "6"
    & skf21("3","7","4","2","1","1","1","1") = "6"
    & skf21("3","7","4","2","1","1","2","1") = "6"
    & skf21("3","7","4","2","1","1","3","1") = "6"
    & skf21("3","7","4","2","1","1","4","1") = "6"
    & skf21("3","7","4","2","1","1","5","1") = "6"
    & skf21("3","7","4","2","1","1","6","1") = "6"
    & skf21("3","7","4","2","1","1","7","1") = "6"
    & skf21("3","7","4","2","1","2","1","1") = "6"
    & skf21("3","7","4","2","1","2","2","1") = "6"
    & skf21("3","7","4","2","1","2","3","1") = "6"
    & skf21("3","7","4","2","1","2","4","1") = "6"
    & skf21("3","7","4","2","1","2","5","1") = "6"
    & skf21("3","7","4","2","1","2","6","1") = "6"
    & skf21("3","7","4","2","1","2","7","1") = "6"
    & skf21("3","7","4","2","1","3","1","1") = "6"
    & skf21("3","7","4","2","1","3","2","1") = "6"
    & skf21("3","7","4","2","1","3","3","1") = "6"
    & skf21("3","7","4","2","1","3","4","1") = "6"
    & skf21("3","7","4","2","1","3","5","1") = "6"
    & skf21("3","7","4","2","1","3","6","1") = "6"
    & skf21("3","7","4","2","1","3","7","1") = "6"
    & skf21("3","7","4","2","1","4","1","1") = "6"
    & skf21("3","7","4","2","1","4","2","1") = "6"
    & skf21("3","7","4","2","1","4","3","1") = "6"
    & skf21("3","7","4","2","1","4","4","1") = "6"
    & skf21("3","7","4","2","1","4","5","1") = "6"
    & skf21("3","7","4","2","1","4","6","1") = "6"
    & skf21("3","7","4","2","1","4","7","1") = "6"
    & skf21("3","7","4","2","1","5","1","1") = "6"
    & skf21("3","7","4","2","1","5","2","1") = "6"
    & skf21("3","7","4","2","1","5","3","1") = "6"
    & skf21("3","7","4","2","1","5","4","1") = "6"
    & skf21("3","7","4","2","1","5","5","1") = "6"
    & skf21("3","7","4","2","1","5","6","1") = "6"
    & skf21("3","7","4","2","1","5","7","1") = "6"
    & skf21("3","7","4","2","1","6","1","1") = "6"
    & skf21("3","7","4","2","1","6","2","1") = "6"
    & skf21("3","7","4","2","1","6","3","1") = "6"
    & skf21("3","7","4","2","1","6","4","1") = "6"
    & skf21("3","7","4","2","1","6","5","1") = "6"
    & skf21("3","7","4","2","1","6","6","1") = "6"
    & skf21("3","7","4","2","1","6","7","1") = "6"
    & skf21("3","7","4","2","1","7","1","1") = "6"
    & skf21("3","7","4","2","1","7","2","1") = "6"
    & skf21("3","7","4","2","1","7","3","1") = "6"
    & skf21("3","7","4","2","1","7","4","1") = "6"
    & skf21("3","7","4","2","1","7","5","1") = "6"
    & skf21("3","7","4","2","1","7","6","1") = "6"
    & skf21("3","7","4","2","1","7","7","1") = "6"
    & skf21("3","7","4","2","2","1","1","1") = "6"
    & skf21("3","7","4","2","2","1","2","1") = "6"
    & skf21("3","7","4","2","2","1","3","1") = "6"
    & skf21("3","7","4","2","2","1","4","1") = "6"
    & skf21("3","7","4","2","2","1","5","1") = "6"
    & skf21("3","7","4","2","2","1","6","1") = "6"
    & skf21("3","7","4","2","2","1","7","1") = "6"
    & skf21("3","7","4","2","2","2","1","1") = "6"
    & skf21("3","7","4","2","2","2","2","1") = "6"
    & skf21("3","7","4","2","2","2","3","1") = "6"
    & skf21("3","7","4","2","2","2","4","1") = "6"
    & skf21("3","7","4","2","2","2","5","1") = "6"
    & skf21("3","7","4","2","2","2","6","1") = "6"
    & skf21("3","7","4","2","2","2","7","1") = "6"
    & skf21("3","7","4","2","2","3","1","1") = "6"
    & skf21("3","7","4","2","2","3","2","1") = "6"
    & skf21("3","7","4","2","2","3","3","1") = "6"
    & skf21("3","7","4","2","2","3","4","1") = "6"
    & skf21("3","7","4","2","2","3","5","1") = "6"
    & skf21("3","7","4","2","2","3","6","1") = "6"
    & skf21("3","7","4","2","2","3","7","1") = "6"
    & skf21("3","7","4","2","2","4","1","1") = "6"
    & skf21("3","7","4","2","2","4","2","1") = "6"
    & skf21("3","7","4","2","2","4","3","1") = "6"
    & skf21("3","7","4","2","2","4","4","1") = "6"
    & skf21("3","7","4","2","2","4","5","1") = "6"
    & skf21("3","7","4","2","2","4","6","1") = "6"
    & skf21("3","7","4","2","2","4","7","1") = "6"
    & skf21("3","7","4","2","2","5","1","1") = "6"
    & skf21("3","7","4","2","2","5","2","1") = "6"
    & skf21("3","7","4","2","2","5","3","1") = "6"
    & skf21("3","7","4","2","2","5","4","1") = "6"
    & skf21("3","7","4","2","2","5","5","1") = "6"
    & skf21("3","7","4","2","2","5","6","1") = "6"
    & skf21("3","7","4","2","2","5","7","1") = "6"
    & skf21("3","7","4","2","2","6","1","1") = "6"
    & skf21("3","7","4","2","2","6","2","1") = "6"
    & skf21("3","7","4","2","2","6","3","1") = "6"
    & skf21("3","7","4","2","2","6","4","1") = "6"
    & skf21("3","7","4","2","2","6","5","1") = "6"
    & skf21("3","7","4","2","2","6","6","1") = "6"
    & skf21("3","7","4","2","2","6","7","1") = "6"
    & skf21("3","7","4","2","2","7","1","1") = "6"
    & skf21("3","7","4","2","2","7","2","1") = "6"
    & skf21("3","7","4","2","2","7","3","1") = "6"
    & skf21("3","7","4","2","2","7","4","1") = "6"
    & skf21("3","7","4","2","2","7","5","1") = "6"
    & skf21("3","7","4","2","2","7","6","1") = "6"
    & skf21("3","7","4","2","2","7","7","1") = "6"
    & skf21("3","7","4","2","3","1","1","1") = "6"
    & skf21("3","7","4","2","3","1","2","1") = "6"
    & skf21("3","7","4","2","3","1","3","1") = "6"
    & skf21("3","7","4","2","3","1","4","1") = "6"
    & skf21("3","7","4","2","3","1","5","1") = "6"
    & skf21("3","7","4","2","3","1","6","1") = "6"
    & skf21("3","7","4","2","3","1","7","1") = "6"
    & skf21("3","7","4","2","3","2","1","1") = "6"
    & skf21("3","7","4","2","3","2","2","1") = "6"
    & skf21("3","7","4","2","3","2","3","1") = "6"
    & skf21("3","7","4","2","3","2","4","1") = "6"
    & skf21("3","7","4","2","3","2","5","1") = "6"
    & skf21("3","7","4","2","3","2","6","1") = "6"
    & skf21("3","7","4","2","3","2","7","1") = "6"
    & skf21("3","7","4","2","3","3","1","1") = "6"
    & skf21("3","7","4","2","3","3","2","1") = "6"
    & skf21("3","7","4","2","3","3","3","1") = "6"
    & skf21("3","7","4","2","3","3","4","1") = "6"
    & skf21("3","7","4","2","3","3","5","1") = "6"
    & skf21("3","7","4","2","3","3","6","1") = "6"
    & skf21("3","7","4","2","3","3","7","1") = "6"
    & skf21("3","7","4","2","3","4","1","1") = "6"
    & skf21("3","7","4","2","3","4","2","1") = "6"
    & skf21("3","7","4","2","3","4","3","1") = "6"
    & skf21("3","7","4","2","3","4","4","1") = "6"
    & skf21("3","7","4","2","3","4","5","1") = "6"
    & skf21("3","7","4","2","3","4","6","1") = "6"
    & skf21("3","7","4","2","3","4","7","1") = "6"
    & skf21("3","7","4","2","3","5","1","1") = "6"
    & skf21("3","7","4","2","3","5","2","1") = "6"
    & skf21("3","7","4","2","3","5","3","1") = "6"
    & skf21("3","7","4","2","3","5","4","1") = "6"
    & skf21("3","7","4","2","3","5","5","1") = "6"
    & skf21("3","7","4","2","3","5","6","1") = "6"
    & skf21("3","7","4","2","3","5","7","1") = "6"
    & skf21("3","7","4","2","3","6","1","1") = "6"
    & skf21("3","7","4","2","3","6","2","1") = "6"
    & skf21("3","7","4","2","3","6","3","1") = "6"
    & skf21("3","7","4","2","3","6","4","1") = "6"
    & skf21("3","7","4","2","3","6","5","1") = "6"
    & skf21("3","7","4","2","3","6","6","1") = "6"
    & skf21("3","7","4","2","3","6","7","1") = "6"
    & skf21("3","7","4","2","3","7","1","1") = "6"
    & skf21("3","7","4","2","3","7","2","1") = "6"
    & skf21("3","7","4","2","3","7","3","1") = "6"
    & skf21("3","7","4","2","3","7","4","1") = "6"
    & skf21("3","7","4","2","3","7","5","1") = "6"
    & skf21("3","7","4","2","3","7","6","1") = "6"
    & skf21("3","7","4","2","3","7","7","1") = "6"
    & skf21("3","7","4","2","4","1","1","1") = "6"
    & skf21("3","7","4","2","4","1","2","1") = "6"
    & skf21("3","7","4","2","4","1","3","1") = "6"
    & skf21("3","7","4","2","4","1","4","1") = "6"
    & skf21("3","7","4","2","4","1","5","1") = "6"
    & skf21("3","7","4","2","4","1","6","1") = "6"
    & skf21("3","7","4","2","4","1","7","1") = "6"
    & skf21("3","7","4","2","4","2","1","1") = "6"
    & skf21("3","7","4","2","4","2","2","1") = "6"
    & skf21("3","7","4","2","4","2","3","1") = "6"
    & skf21("3","7","4","2","4","2","4","1") = "6"
    & skf21("3","7","4","2","4","2","5","1") = "6"
    & skf21("3","7","4","2","4","2","6","1") = "6"
    & skf21("3","7","4","2","4","2","7","1") = "6"
    & skf21("3","7","4","2","4","3","1","1") = "6"
    & skf21("3","7","4","2","4","3","2","1") = "6"
    & skf21("3","7","4","2","4","3","3","1") = "6"
    & skf21("3","7","4","2","4","3","4","1") = "6"
    & skf21("3","7","4","2","4","3","5","1") = "6"
    & skf21("3","7","4","2","4","3","6","1") = "6"
    & skf21("3","7","4","2","4","3","7","1") = "6"
    & skf21("3","7","4","2","4","4","1","1") = "6"
    & skf21("3","7","4","2","4","4","2","1") = "6"
    & skf21("3","7","4","2","4","4","3","1") = "6"
    & skf21("3","7","4","2","4","4","4","1") = "6"
    & skf21("3","7","4","2","4","4","5","1") = "6"
    & skf21("3","7","4","2","4","4","6","1") = "6"
    & skf21("3","7","4","2","4","4","7","1") = "6"
    & skf21("3","7","4","2","4","5","1","1") = "6"
    & skf21("3","7","4","2","4","5","2","1") = "6"
    & skf21("3","7","4","2","4","5","3","1") = "6"
    & skf21("3","7","4","2","4","5","4","1") = "6"
    & skf21("3","7","4","2","4","5","5","1") = "6"
    & skf21("3","7","4","2","4","5","6","1") = "6"
    & skf21("3","7","4","2","4","5","7","1") = "6"
    & skf21("3","7","4","2","4","6","1","1") = "6"
    & skf21("3","7","4","2","4","6","2","1") = "6"
    & skf21("3","7","4","2","4","6","3","1") = "6"
    & skf21("3","7","4","2","4","6","4","1") = "6"
    & skf21("3","7","4","2","4","6","5","1") = "6"
    & skf21("3","7","4","2","4","6","6","1") = "6"
    & skf21("3","7","4","2","4","6","7","1") = "6"
    & skf21("3","7","4","2","4","7","1","1") = "6"
    & skf21("3","7","4","2","4","7","2","1") = "6"
    & skf21("3","7","4","2","4","7","3","1") = "6"
    & skf21("3","7","4","2","4","7","4","1") = "6"
    & skf21("3","7","4","2","4","7","5","1") = "6"
    & skf21("3","7","4","2","4","7","6","1") = "6"
    & skf21("3","7","4","2","4","7","7","1") = "6"
    & skf21("3","7","4","2","5","1","1","1") = "6"
    & skf21("3","7","4","2","5","1","2","1") = "6"
    & skf21("3","7","4","2","5","1","3","1") = "6"
    & skf21("3","7","4","2","5","1","4","1") = "6"
    & skf21("3","7","4","2","5","1","5","1") = "6"
    & skf21("3","7","4","2","5","1","6","1") = "6"
    & skf21("3","7","4","2","5","1","7","1") = "6"
    & skf21("3","7","4","2","5","2","1","1") = "6"
    & skf21("3","7","4","2","5","2","2","1") = "6"
    & skf21("3","7","4","2","5","2","3","1") = "6"
    & skf21("3","7","4","2","5","2","4","1") = "6"
    & skf21("3","7","4","2","5","2","5","1") = "6"
    & skf21("3","7","4","2","5","2","6","1") = "6"
    & skf21("3","7","4","2","5","2","7","1") = "6"
    & skf21("3","7","4","2","5","3","1","1") = "6"
    & skf21("3","7","4","2","5","3","2","1") = "6"
    & skf21("3","7","4","2","5","3","3","1") = "6"
    & skf21("3","7","4","2","5","3","4","1") = "6"
    & skf21("3","7","4","2","5","3","5","1") = "6"
    & skf21("3","7","4","2","5","3","6","1") = "6"
    & skf21("3","7","4","2","5","3","7","1") = "6"
    & skf21("3","7","4","2","5","4","1","1") = "6"
    & skf21("3","7","4","2","5","4","2","1") = "6"
    & skf21("3","7","4","2","5","4","3","1") = "6"
    & skf21("3","7","4","2","5","4","4","1") = "6"
    & skf21("3","7","4","2","5","4","5","1") = "6"
    & skf21("3","7","4","2","5","4","6","1") = "6"
    & skf21("3","7","4","2","5","4","7","1") = "6"
    & skf21("3","7","4","2","5","5","1","1") = "6"
    & skf21("3","7","4","2","5","5","2","1") = "6"
    & skf21("3","7","4","2","5","5","3","1") = "6"
    & skf21("3","7","4","2","5","5","4","1") = "6"
    & skf21("3","7","4","2","5","5","5","1") = "6"
    & skf21("3","7","4","2","5","5","6","1") = "6"
    & skf21("3","7","4","2","5","5","7","1") = "6"
    & skf21("3","7","4","2","5","6","1","1") = "6"
    & skf21("3","7","4","2","5","6","2","1") = "6"
    & skf21("3","7","4","2","5","6","3","1") = "6"
    & skf21("3","7","4","2","5","6","4","1") = "6"
    & skf21("3","7","4","2","5","6","5","1") = "6"
    & skf21("3","7","4","2","5","6","6","1") = "6"
    & skf21("3","7","4","2","5","6","7","1") = "6"
    & skf21("3","7","4","2","5","7","1","1") = "6"
    & skf21("3","7","4","2","5","7","2","1") = "6"
    & skf21("3","7","4","2","5","7","3","1") = "6"
    & skf21("3","7","4","2","5","7","4","1") = "6"
    & skf21("3","7","4","2","5","7","5","1") = "6"
    & skf21("3","7","4","2","5","7","6","1") = "6"
    & skf21("3","7","4","2","5","7","7","1") = "6"
    & skf21("3","7","4","2","6","1","1","1") = "6"
    & skf21("3","7","4","2","6","1","2","1") = "6"
    & skf21("3","7","4","2","6","1","3","1") = "6"
    & skf21("3","7","4","2","6","1","4","1") = "6"
    & skf21("3","7","4","2","6","1","5","1") = "6"
    & skf21("3","7","4","2","6","1","6","1") = "6"
    & skf21("3","7","4","2","6","1","7","1") = "6"
    & skf21("3","7","4","2","6","2","1","1") = "6"
    & skf21("3","7","4","2","6","2","2","1") = "6"
    & skf21("3","7","4","2","6","2","3","1") = "6"
    & skf21("3","7","4","2","6","2","4","1") = "6"
    & skf21("3","7","4","2","6","2","5","1") = "6"
    & skf21("3","7","4","2","6","2","6","1") = "6"
    & skf21("3","7","4","2","6","2","7","1") = "6"
    & skf21("3","7","4","2","6","3","1","1") = "6"
    & skf21("3","7","4","2","6","3","2","1") = "6"
    & skf21("3","7","4","2","6","3","3","1") = "6"
    & skf21("3","7","4","2","6","3","4","1") = "6"
    & skf21("3","7","4","2","6","3","5","1") = "6"
    & skf21("3","7","4","2","6","3","6","1") = "6"
    & skf21("3","7","4","2","6","3","7","1") = "6"
    & skf21("3","7","4","2","6","4","1","1") = "6"
    & skf21("3","7","4","2","6","4","2","1") = "6"
    & skf21("3","7","4","2","6","4","3","1") = "6"
    & skf21("3","7","4","2","6","4","4","1") = "6"
    & skf21("3","7","4","2","6","4","5","1") = "6"
    & skf21("3","7","4","2","6","4","6","1") = "6"
    & skf21("3","7","4","2","6","4","7","1") = "6"
    & skf21("3","7","4","2","6","5","1","1") = "6"
    & skf21("3","7","4","2","6","5","2","1") = "6"
    & skf21("3","7","4","2","6","5","3","1") = "6"
    & skf21("3","7","4","2","6","5","4","1") = "6"
    & skf21("3","7","4","2","6","5","5","1") = "6"
    & skf21("3","7","4","2","6","5","6","1") = "6"
    & skf21("3","7","4","2","6","5","7","1") = "6"
    & skf21("3","7","4","2","6","6","1","1") = "6"
    & skf21("3","7","4","2","6","6","2","1") = "6"
    & skf21("3","7","4","2","6","6","3","1") = "6"
    & skf21("3","7","4","2","6","6","4","1") = "6"
    & skf21("3","7","4","2","6","6","5","1") = "6"
    & skf21("3","7","4","2","6","6","6","1") = "6"
    & skf21("3","7","4","2","6","6","7","1") = "6"
    & skf21("3","7","4","2","6","7","1","1") = "6"
    & skf21("3","7","4","2","6","7","2","1") = "6"
    & skf21("3","7","4","2","6","7","3","1") = "6"
    & skf21("3","7","4","2","6","7","4","1") = "6"
    & skf21("3","7","4","2","6","7","5","1") = "6"
    & skf21("3","7","4","2","6","7","6","1") = "6"
    & skf21("3","7","4","2","6","7","7","1") = "6"
    & skf21("3","7","4","2","7","1","1","1") = "6"
    & skf21("3","7","4","2","7","1","2","1") = "6"
    & skf21("3","7","4","2","7","1","3","1") = "6"
    & skf21("3","7","4","2","7","1","4","1") = "6"
    & skf21("3","7","4","2","7","1","5","1") = "6"
    & skf21("3","7","4","2","7","1","6","1") = "6"
    & skf21("3","7","4","2","7","1","7","1") = "6"
    & skf21("3","7","4","2","7","2","1","1") = "6"
    & skf21("3","7","4","2","7","2","2","1") = "6"
    & skf21("3","7","4","2","7","2","3","1") = "6"
    & skf21("3","7","4","2","7","2","4","1") = "6"
    & skf21("3","7","4","2","7","2","5","1") = "6"
    & skf21("3","7","4","2","7","2","6","1") = "6"
    & skf21("3","7","4","2","7","2","7","1") = "6"
    & skf21("3","7","4","2","7","3","1","1") = "6"
    & skf21("3","7","4","2","7","3","2","1") = "6"
    & skf21("3","7","4","2","7","3","3","1") = "6"
    & skf21("3","7","4","2","7","3","4","1") = "6"
    & skf21("3","7","4","2","7","3","5","1") = "6"
    & skf21("3","7","4","2","7","3","6","1") = "6"
    & skf21("3","7","4","2","7","3","7","1") = "6"
    & skf21("3","7","4","2","7","4","1","1") = "6"
    & skf21("3","7","4","2","7","4","2","1") = "6"
    & skf21("3","7","4","2","7","4","3","1") = "6"
    & skf21("3","7","4","2","7","4","4","1") = "6"
    & skf21("3","7","4","2","7","4","5","1") = "6"
    & skf21("3","7","4","2","7","4","6","1") = "6"
    & skf21("3","7","4","2","7","4","7","1") = "6"
    & skf21("3","7","4","2","7","5","1","1") = "6"
    & skf21("3","7","4","2","7","5","2","1") = "6"
    & skf21("3","7","4","2","7","5","3","1") = "6"
    & skf21("3","7","4","2","7","5","4","1") = "6"
    & skf21("3","7","4","2","7","5","5","1") = "6"
    & skf21("3","7","4","2","7","5","6","1") = "6"
    & skf21("3","7","4","2","7","5","7","1") = "6"
    & skf21("3","7","4","2","7","6","1","1") = "6"
    & skf21("3","7","4","2","7","6","2","1") = "6"
    & skf21("3","7","4","2","7","6","3","1") = "6"
    & skf21("3","7","4","2","7","6","4","1") = "6"
    & skf21("3","7","4","2","7","6","5","1") = "6"
    & skf21("3","7","4","2","7","6","6","1") = "6"
    & skf21("3","7","4","2","7","6","7","1") = "6"
    & skf21("3","7","4","2","7","7","1","1") = "6"
    & skf21("3","7","4","2","7","7","2","1") = "6"
    & skf21("3","7","4","2","7","7","3","1") = "6"
    & skf21("3","7","4","2","7","7","4","1") = "6"
    & skf21("3","7","4","2","7","7","5","1") = "6"
    & skf21("3","7","4","2","7","7","6","1") = "6"
    & skf21("3","7","4","2","7","7","7","1") = "6"
    & skf21("3","7","4","3","1","1","1","1") = "6"
    & skf21("3","7","4","3","1","1","2","1") = "6"
    & skf21("3","7","4","3","1","1","3","1") = "6"
    & skf21("3","7","4","3","1","1","4","1") = "6"
    & skf21("3","7","4","3","1","1","5","1") = "6"
    & skf21("3","7","4","3","1","1","6","1") = "6"
    & skf21("3","7","4","3","1","1","7","1") = "6"
    & skf21("3","7","4","3","1","2","1","1") = "6"
    & skf21("3","7","4","3","1","2","2","1") = "6"
    & skf21("3","7","4","3","1","2","3","1") = "6"
    & skf21("3","7","4","3","1","2","4","1") = "6"
    & skf21("3","7","4","3","1","2","5","1") = "6"
    & skf21("3","7","4","3","1","2","6","1") = "6"
    & skf21("3","7","4","3","1","2","7","1") = "6"
    & skf21("3","7","4","3","1","3","1","1") = "6"
    & skf21("3","7","4","3","1","3","2","1") = "6"
    & skf21("3","7","4","3","1","3","3","1") = "6"
    & skf21("3","7","4","3","1","3","4","1") = "6"
    & skf21("3","7","4","3","1","3","5","1") = "6"
    & skf21("3","7","4","3","1","3","6","1") = "6"
    & skf21("3","7","4","3","1","3","7","1") = "6"
    & skf21("3","7","4","3","1","4","1","1") = "6"
    & skf21("3","7","4","3","1","4","2","1") = "6"
    & skf21("3","7","4","3","1","4","3","1") = "6"
    & skf21("3","7","4","3","1","4","4","1") = "6"
    & skf21("3","7","4","3","1","4","5","1") = "6"
    & skf21("3","7","4","3","1","4","6","1") = "6"
    & skf21("3","7","4","3","1","4","7","1") = "6"
    & skf21("3","7","4","3","1","5","1","1") = "6"
    & skf21("3","7","4","3","1","5","2","1") = "6"
    & skf21("3","7","4","3","1","5","3","1") = "6"
    & skf21("3","7","4","3","1","5","4","1") = "6"
    & skf21("3","7","4","3","1","5","5","1") = "6"
    & skf21("3","7","4","3","1","5","6","1") = "6"
    & skf21("3","7","4","3","1","5","7","1") = "6"
    & skf21("3","7","4","3","1","6","1","1") = "6"
    & skf21("3","7","4","3","1","6","2","1") = "6"
    & skf21("3","7","4","3","1","6","3","1") = "6"
    & skf21("3","7","4","3","1","6","4","1") = "6"
    & skf21("3","7","4","3","1","6","5","1") = "6"
    & skf21("3","7","4","3","1","6","6","1") = "6"
    & skf21("3","7","4","3","1","6","7","1") = "6"
    & skf21("3","7","4","3","1","7","1","1") = "6"
    & skf21("3","7","4","3","1","7","2","1") = "6"
    & skf21("3","7","4","3","1","7","3","1") = "6"
    & skf21("3","7","4","3","1","7","4","1") = "6"
    & skf21("3","7","4","3","1","7","5","1") = "6"
    & skf21("3","7","4","3","1","7","6","1") = "6"
    & skf21("3","7","4","3","1","7","7","1") = "6"
    & skf21("3","7","4","3","2","1","1","1") = "6"
    & skf21("3","7","4","3","2","1","2","1") = "6"
    & skf21("3","7","4","3","2","1","3","1") = "6"
    & skf21("3","7","4","3","2","1","4","1") = "6"
    & skf21("3","7","4","3","2","1","5","1") = "6"
    & skf21("3","7","4","3","2","1","6","1") = "6"
    & skf21("3","7","4","3","2","1","7","1") = "6"
    & skf21("3","7","4","3","2","2","1","1") = "6"
    & skf21("3","7","4","3","2","2","2","1") = "6"
    & skf21("3","7","4","3","2","2","3","1") = "6"
    & skf21("3","7","4","3","2","2","4","1") = "6"
    & skf21("3","7","4","3","2","2","5","1") = "6"
    & skf21("3","7","4","3","2","2","6","1") = "6"
    & skf21("3","7","4","3","2","2","7","1") = "6"
    & skf21("3","7","4","3","2","3","1","1") = "6"
    & skf21("3","7","4","3","2","3","2","1") = "6"
    & skf21("3","7","4","3","2","3","3","1") = "6"
    & skf21("3","7","4","3","2","3","4","1") = "6"
    & skf21("3","7","4","3","2","3","5","1") = "6"
    & skf21("3","7","4","3","2","3","6","1") = "6"
    & skf21("3","7","4","3","2","3","7","1") = "6"
    & skf21("3","7","4","3","2","4","1","1") = "6"
    & skf21("3","7","4","3","2","4","2","1") = "6"
    & skf21("3","7","4","3","2","4","3","1") = "6"
    & skf21("3","7","4","3","2","4","4","1") = "6"
    & skf21("3","7","4","3","2","4","5","1") = "6"
    & skf21("3","7","4","3","2","4","6","1") = "6"
    & skf21("3","7","4","3","2","4","7","1") = "6"
    & skf21("3","7","4","3","2","5","1","1") = "6"
    & skf21("3","7","4","3","2","5","2","1") = "6"
    & skf21("3","7","4","3","2","5","3","1") = "6"
    & skf21("3","7","4","3","2","5","4","1") = "6"
    & skf21("3","7","4","3","2","5","5","1") = "6"
    & skf21("3","7","4","3","2","5","6","1") = "6"
    & skf21("3","7","4","3","2","5","7","1") = "6"
    & skf21("3","7","4","3","2","6","1","1") = "6"
    & skf21("3","7","4","3","2","6","2","1") = "6"
    & skf21("3","7","4","3","2","6","3","1") = "6"
    & skf21("3","7","4","3","2","6","4","1") = "6"
    & skf21("3","7","4","3","2","6","5","1") = "6"
    & skf21("3","7","4","3","2","6","6","1") = "6"
    & skf21("3","7","4","3","2","6","7","1") = "6"
    & skf21("3","7","4","3","2","7","1","1") = "6"
    & skf21("3","7","4","3","2","7","2","1") = "6"
    & skf21("3","7","4","3","2","7","3","1") = "6"
    & skf21("3","7","4","3","2","7","4","1") = "6"
    & skf21("3","7","4","3","2","7","5","1") = "6"
    & skf21("3","7","4","3","2","7","6","1") = "6"
    & skf21("3","7","4","3","2","7","7","1") = "6"
    & skf21("3","7","4","3","3","1","1","1") = "6"
    & skf21("3","7","4","3","3","1","2","1") = "6"
    & skf21("3","7","4","3","3","1","3","1") = "6"
    & skf21("3","7","4","3","3","1","4","1") = "6"
    & skf21("3","7","4","3","3","1","5","1") = "6"
    & skf21("3","7","4","3","3","1","6","1") = "6"
    & skf21("3","7","4","3","3","1","7","1") = "6"
    & skf21("3","7","4","3","3","2","1","1") = "6"
    & skf21("3","7","4","3","3","2","2","1") = "6"
    & skf21("3","7","4","3","3","2","3","1") = "6"
    & skf21("3","7","4","3","3","2","4","1") = "6"
    & skf21("3","7","4","3","3","2","5","1") = "6"
    & skf21("3","7","4","3","3","2","6","1") = "6"
    & skf21("3","7","4","3","3","2","7","1") = "6"
    & skf21("3","7","4","3","3","3","1","1") = "6"
    & skf21("3","7","4","3","3","3","2","1") = "6"
    & skf21("3","7","4","3","3","3","3","1") = "6"
    & skf21("3","7","4","3","3","3","4","1") = "6"
    & skf21("3","7","4","3","3","3","5","1") = "6"
    & skf21("3","7","4","3","3","3","6","1") = "6"
    & skf21("3","7","4","3","3","3","7","1") = "6"
    & skf21("3","7","4","3","3","4","1","1") = "6"
    & skf21("3","7","4","3","3","4","2","1") = "6"
    & skf21("3","7","4","3","3","4","3","1") = "6"
    & skf21("3","7","4","3","3","4","4","1") = "6"
    & skf21("3","7","4","3","3","4","5","1") = "6"
    & skf21("3","7","4","3","3","4","6","1") = "6"
    & skf21("3","7","4","3","3","4","7","1") = "6"
    & skf21("3","7","4","3","3","5","1","1") = "6"
    & skf21("3","7","4","3","3","5","2","1") = "6"
    & skf21("3","7","4","3","3","5","3","1") = "6"
    & skf21("3","7","4","3","3","5","4","1") = "6"
    & skf21("3","7","4","3","3","5","5","1") = "6"
    & skf21("3","7","4","3","3","5","6","1") = "6"
    & skf21("3","7","4","3","3","5","7","1") = "6"
    & skf21("3","7","4","3","3","6","1","1") = "6"
    & skf21("3","7","4","3","3","6","2","1") = "6"
    & skf21("3","7","4","3","3","6","3","1") = "6"
    & skf21("3","7","4","3","3","6","4","1") = "6"
    & skf21("3","7","4","3","3","6","5","1") = "6"
    & skf21("3","7","4","3","3","6","6","1") = "6"
    & skf21("3","7","4","3","3","6","7","1") = "6"
    & skf21("3","7","4","3","3","7","1","1") = "6"
    & skf21("3","7","4","3","3","7","2","1") = "6"
    & skf21("3","7","4","3","3","7","3","1") = "6"
    & skf21("3","7","4","3","3","7","4","1") = "6"
    & skf21("3","7","4","3","3","7","5","1") = "6"
    & skf21("3","7","4","3","3","7","6","1") = "6"
    & skf21("3","7","4","3","3","7","7","1") = "6"
    & skf21("3","7","4","3","4","1","1","1") = "6"
    & skf21("3","7","4","3","4","1","2","1") = "6"
    & skf21("3","7","4","3","4","1","3","1") = "6"
    & skf21("3","7","4","3","4","1","4","1") = "6"
    & skf21("3","7","4","3","4","1","5","1") = "6"
    & skf21("3","7","4","3","4","1","6","1") = "6"
    & skf21("3","7","4","3","4","1","7","1") = "6"
    & skf21("3","7","4","3","4","2","1","1") = "6"
    & skf21("3","7","4","3","4","2","2","1") = "6"
    & skf21("3","7","4","3","4","2","3","1") = "6"
    & skf21("3","7","4","3","4","2","4","1") = "6"
    & skf21("3","7","4","3","4","2","5","1") = "6"
    & skf21("3","7","4","3","4","2","6","1") = "6"
    & skf21("3","7","4","3","4","2","7","1") = "6"
    & skf21("3","7","4","3","4","3","1","1") = "6"
    & skf21("3","7","4","3","4","3","2","1") = "6"
    & skf21("3","7","4","3","4","3","3","1") = "6"
    & skf21("3","7","4","3","4","3","4","1") = "6"
    & skf21("3","7","4","3","4","3","5","1") = "6"
    & skf21("3","7","4","3","4","3","6","1") = "6"
    & skf21("3","7","4","3","4","3","7","1") = "6"
    & skf21("3","7","4","3","4","4","1","1") = "6"
    & skf21("3","7","4","3","4","4","2","1") = "6"
    & skf21("3","7","4","3","4","4","3","1") = "6"
    & skf21("3","7","4","3","4","4","4","1") = "6"
    & skf21("3","7","4","3","4","4","5","1") = "6"
    & skf21("3","7","4","3","4","4","6","1") = "6"
    & skf21("3","7","4","3","4","4","7","1") = "6"
    & skf21("3","7","4","3","4","5","1","1") = "6"
    & skf21("3","7","4","3","4","5","2","1") = "6"
    & skf21("3","7","4","3","4","5","3","1") = "6"
    & skf21("3","7","4","3","4","5","4","1") = "6"
    & skf21("3","7","4","3","4","5","5","1") = "6"
    & skf21("3","7","4","3","4","5","6","1") = "6"
    & skf21("3","7","4","3","4","5","7","1") = "6"
    & skf21("3","7","4","3","4","6","1","1") = "6"
    & skf21("3","7","4","3","4","6","2","1") = "6"
    & skf21("3","7","4","3","4","6","3","1") = "6"
    & skf21("3","7","4","3","4","6","4","1") = "6"
    & skf21("3","7","4","3","4","6","5","1") = "6"
    & skf21("3","7","4","3","4","6","6","1") = "6"
    & skf21("3","7","4","3","4","6","7","1") = "6"
    & skf21("3","7","4","3","4","7","1","1") = "6"
    & skf21("3","7","4","3","4","7","2","1") = "6"
    & skf21("3","7","4","3","4","7","3","1") = "6"
    & skf21("3","7","4","3","4","7","4","1") = "6"
    & skf21("3","7","4","3","4","7","5","1") = "6"
    & skf21("3","7","4","3","4","7","6","1") = "6"
    & skf21("3","7","4","3","4","7","7","1") = "6"
    & skf21("3","7","4","3","5","1","1","1") = "6"
    & skf21("3","7","4","3","5","1","2","1") = "6"
    & skf21("3","7","4","3","5","1","3","1") = "6"
    & skf21("3","7","4","3","5","1","4","1") = "6"
    & skf21("3","7","4","3","5","1","5","1") = "6"
    & skf21("3","7","4","3","5","1","6","1") = "6"
    & skf21("3","7","4","3","5","1","7","1") = "6"
    & skf21("3","7","4","3","5","2","1","1") = "6"
    & skf21("3","7","4","3","5","2","2","1") = "6"
    & skf21("3","7","4","3","5","2","3","1") = "6"
    & skf21("3","7","4","3","5","2","4","1") = "6"
    & skf21("3","7","4","3","5","2","5","1") = "6"
    & skf21("3","7","4","3","5","2","6","1") = "6"
    & skf21("3","7","4","3","5","2","7","1") = "6"
    & skf21("3","7","4","3","5","3","1","1") = "6"
    & skf21("3","7","4","3","5","3","2","1") = "6"
    & skf21("3","7","4","3","5","3","3","1") = "6"
    & skf21("3","7","4","3","5","3","4","1") = "6"
    & skf21("3","7","4","3","5","3","5","1") = "6"
    & skf21("3","7","4","3","5","3","6","1") = "6"
    & skf21("3","7","4","3","5","3","7","1") = "6"
    & skf21("3","7","4","3","5","4","1","1") = "6"
    & skf21("3","7","4","3","5","4","2","1") = "6"
    & skf21("3","7","4","3","5","4","3","1") = "6"
    & skf21("3","7","4","3","5","4","4","1") = "6"
    & skf21("3","7","4","3","5","4","5","1") = "6"
    & skf21("3","7","4","3","5","4","6","1") = "6"
    & skf21("3","7","4","3","5","4","7","1") = "6"
    & skf21("3","7","4","3","5","5","1","1") = "6"
    & skf21("3","7","4","3","5","5","2","1") = "6"
    & skf21("3","7","4","3","5","5","3","1") = "6"
    & skf21("3","7","4","3","5","5","4","1") = "6"
    & skf21("3","7","4","3","5","5","5","1") = "6"
    & skf21("3","7","4","3","5","5","6","1") = "6"
    & skf21("3","7","4","3","5","5","7","1") = "6"
    & skf21("3","7","4","3","5","6","1","1") = "6"
    & skf21("3","7","4","3","5","6","2","1") = "6"
    & skf21("3","7","4","3","5","6","3","1") = "6"
    & skf21("3","7","4","3","5","6","4","1") = "6"
    & skf21("3","7","4","3","5","6","5","1") = "6"
    & skf21("3","7","4","3","5","6","6","1") = "6"
    & skf21("3","7","4","3","5","6","7","1") = "6"
    & skf21("3","7","4","3","5","7","1","1") = "6"
    & skf21("3","7","4","3","5","7","2","1") = "6"
    & skf21("3","7","4","3","5","7","3","1") = "6"
    & skf21("3","7","4","3","5","7","4","1") = "6"
    & skf21("3","7","4","3","5","7","5","1") = "6"
    & skf21("3","7","4","3","5","7","6","1") = "6"
    & skf21("3","7","4","3","5","7","7","1") = "6"
    & skf21("3","7","4","3","6","1","1","1") = "6"
    & skf21("3","7","4","3","6","1","2","1") = "6"
    & skf21("3","7","4","3","6","1","3","1") = "6"
    & skf21("3","7","4","3","6","1","4","1") = "6"
    & skf21("3","7","4","3","6","1","5","1") = "6"
    & skf21("3","7","4","3","6","1","6","1") = "6"
    & skf21("3","7","4","3","6","1","7","1") = "6"
    & skf21("3","7","4","3","6","2","1","1") = "6"
    & skf21("3","7","4","3","6","2","2","1") = "6"
    & skf21("3","7","4","3","6","2","3","1") = "6"
    & skf21("3","7","4","3","6","2","4","1") = "6"
    & skf21("3","7","4","3","6","2","5","1") = "6"
    & skf21("3","7","4","3","6","2","6","1") = "6"
    & skf21("3","7","4","3","6","2","7","1") = "6"
    & skf21("3","7","4","3","6","3","1","1") = "6"
    & skf21("3","7","4","3","6","3","2","1") = "6"
    & skf21("3","7","4","3","6","3","3","1") = "6"
    & skf21("3","7","4","3","6","3","4","1") = "6"
    & skf21("3","7","4","3","6","3","5","1") = "6"
    & skf21("3","7","4","3","6","3","6","1") = "6"
    & skf21("3","7","4","3","6","3","7","1") = "6"
    & skf21("3","7","4","3","6","4","1","1") = "6"
    & skf21("3","7","4","3","6","4","2","1") = "6"
    & skf21("3","7","4","3","6","4","3","1") = "6"
    & skf21("3","7","4","3","6","4","4","1") = "6"
    & skf21("3","7","4","3","6","4","5","1") = "6"
    & skf21("3","7","4","3","6","4","6","1") = "6"
    & skf21("3","7","4","3","6","4","7","1") = "6"
    & skf21("3","7","4","3","6","5","1","1") = "6"
    & skf21("3","7","4","3","6","5","2","1") = "6"
    & skf21("3","7","4","3","6","5","3","1") = "6"
    & skf21("3","7","4","3","6","5","4","1") = "6"
    & skf21("3","7","4","3","6","5","5","1") = "6"
    & skf21("3","7","4","3","6","5","6","1") = "6"
    & skf21("3","7","4","3","6","5","7","1") = "6"
    & skf21("3","7","4","3","6","6","1","1") = "6"
    & skf21("3","7","4","3","6","6","2","1") = "6"
    & skf21("3","7","4","3","6","6","3","1") = "6"
    & skf21("3","7","4","3","6","6","4","1") = "6"
    & skf21("3","7","4","3","6","6","5","1") = "6"
    & skf21("3","7","4","3","6","6","6","1") = "6"
    & skf21("3","7","4","3","6","6","7","1") = "6"
    & skf21("3","7","4","3","6","7","1","1") = "6"
    & skf21("3","7","4","3","6","7","2","1") = "6"
    & skf21("3","7","4","3","6","7","3","1") = "6"
    & skf21("3","7","4","3","6","7","4","1") = "6"
    & skf21("3","7","4","3","6","7","5","1") = "6"
    & skf21("3","7","4","3","6","7","6","1") = "6"
    & skf21("3","7","4","3","6","7","7","1") = "6"
    & skf21("3","7","4","3","7","1","1","1") = "6"
    & skf21("3","7","4","3","7","1","2","1") = "6"
    & skf21("3","7","4","3","7","1","3","1") = "6"
    & skf21("3","7","4","3","7","1","4","1") = "6"
    & skf21("3","7","4","3","7","1","5","1") = "6"
    & skf21("3","7","4","3","7","1","6","1") = "6"
    & skf21("3","7","4","3","7","1","7","1") = "6"
    & skf21("3","7","4","3","7","2","1","1") = "6"
    & skf21("3","7","4","3","7","2","2","1") = "6"
    & skf21("3","7","4","3","7","2","3","1") = "6"
    & skf21("3","7","4","3","7","2","4","1") = "6"
    & skf21("3","7","4","3","7","2","5","1") = "6"
    & skf21("3","7","4","3","7","2","6","1") = "6"
    & skf21("3","7","4","3","7","2","7","1") = "6"
    & skf21("3","7","4","3","7","3","1","1") = "6"
    & skf21("3","7","4","3","7","3","2","1") = "6"
    & skf21("3","7","4","3","7","3","3","1") = "6"
    & skf21("3","7","4","3","7","3","4","1") = "6"
    & skf21("3","7","4","3","7","3","5","1") = "6"
    & skf21("3","7","4","3","7","3","6","1") = "6"
    & skf21("3","7","4","3","7","3","7","1") = "6"
    & skf21("3","7","4","3","7","4","1","1") = "6"
    & skf21("3","7","4","3","7","4","2","1") = "6"
    & skf21("3","7","4","3","7","4","3","1") = "6"
    & skf21("3","7","4","3","7","4","4","1") = "6"
    & skf21("3","7","4","3","7","4","5","1") = "6"
    & skf21("3","7","4","3","7","4","6","1") = "6"
    & skf21("3","7","4","3","7","4","7","1") = "6"
    & skf21("3","7","4","3","7","5","1","1") = "6"
    & skf21("3","7","4","3","7","5","2","1") = "6"
    & skf21("3","7","4","3","7","5","3","1") = "6"
    & skf21("3","7","4","3","7","5","4","1") = "6"
    & skf21("3","7","4","3","7","5","5","1") = "6"
    & skf21("3","7","4","3","7","5","6","1") = "6"
    & skf21("3","7","4","3","7","5","7","1") = "6"
    & skf21("3","7","4","3","7","6","1","1") = "6"
    & skf21("3","7","4","3","7","6","2","1") = "6"
    & skf21("3","7","4","3","7","6","3","1") = "6"
    & skf21("3","7","4","3","7","6","4","1") = "6"
    & skf21("3","7","4","3","7","6","5","1") = "6"
    & skf21("3","7","4","3","7","6","6","1") = "6"
    & skf21("3","7","4","3","7","6","7","1") = "6"
    & skf21("3","7","4","3","7","7","1","1") = "6"
    & skf21("3","7","4","3","7","7","2","1") = "6"
    & skf21("3","7","4","3","7","7","3","1") = "6"
    & skf21("3","7","4","3","7","7","4","1") = "6"
    & skf21("3","7","4","3","7","7","5","1") = "6"
    & skf21("3","7","4","3","7","7","6","1") = "6"
    & skf21("3","7","4","3","7","7","7","1") = "6"
    & skf21("3","7","4","4","1","1","1","1") = "6"
    & skf21("3","7","4","4","1","1","2","1") = "6"
    & skf21("3","7","4","4","1","1","3","1") = "6"
    & skf21("3","7","4","4","1","1","4","1") = "6"
    & skf21("3","7","4","4","1","1","5","1") = "6"
    & skf21("3","7","4","4","1","1","6","1") = "6"
    & skf21("3","7","4","4","1","1","7","1") = "6"
    & skf21("3","7","4","4","1","2","1","1") = "6"
    & skf21("3","7","4","4","1","2","2","1") = "6"
    & skf21("3","7","4","4","1","2","3","1") = "6"
    & skf21("3","7","4","4","1","2","4","1") = "6"
    & skf21("3","7","4","4","1","2","5","1") = "6"
    & skf21("3","7","4","4","1","2","6","1") = "6"
    & skf21("3","7","4","4","1","2","7","1") = "6"
    & skf21("3","7","4","4","1","3","1","1") = "6"
    & skf21("3","7","4","4","1","3","2","1") = "6"
    & skf21("3","7","4","4","1","3","3","1") = "6"
    & skf21("3","7","4","4","1","3","4","1") = "6"
    & skf21("3","7","4","4","1","3","5","1") = "6"
    & skf21("3","7","4","4","1","3","6","1") = "6"
    & skf21("3","7","4","4","1","3","7","1") = "6"
    & skf21("3","7","4","4","1","4","1","1") = "6"
    & skf21("3","7","4","4","1","4","2","1") = "6"
    & skf21("3","7","4","4","1","4","3","1") = "6"
    & skf21("3","7","4","4","1","4","4","1") = "6"
    & skf21("3","7","4","4","1","4","5","1") = "6"
    & skf21("3","7","4","4","1","4","6","1") = "6"
    & skf21("3","7","4","4","1","4","7","1") = "6"
    & skf21("3","7","4","4","1","5","1","1") = "6"
    & skf21("3","7","4","4","1","5","2","1") = "6"
    & skf21("3","7","4","4","1","5","3","1") = "6"
    & skf21("3","7","4","4","1","5","4","1") = "6"
    & skf21("3","7","4","4","1","5","5","1") = "6"
    & skf21("3","7","4","4","1","5","6","1") = "6"
    & skf21("3","7","4","4","1","5","7","1") = "6"
    & skf21("3","7","4","4","1","6","1","1") = "6"
    & skf21("3","7","4","4","1","6","2","1") = "6"
    & skf21("3","7","4","4","1","6","3","1") = "6"
    & skf21("3","7","4","4","1","6","4","1") = "6"
    & skf21("3","7","4","4","1","6","5","1") = "6"
    & skf21("3","7","4","4","1","6","6","1") = "6"
    & skf21("3","7","4","4","1","6","7","1") = "6"
    & skf21("3","7","4","4","1","7","1","1") = "6"
    & skf21("3","7","4","4","1","7","2","1") = "6"
    & skf21("3","7","4","4","1","7","3","1") = "6"
    & skf21("3","7","4","4","1","7","4","1") = "6"
    & skf21("3","7","4","4","1","7","5","1") = "6"
    & skf21("3","7","4","4","1","7","6","1") = "6"
    & skf21("3","7","4","4","1","7","7","1") = "6"
    & skf21("3","7","4","4","2","1","1","1") = "6"
    & skf21("3","7","4","4","2","1","2","1") = "6"
    & skf21("3","7","4","4","2","1","3","1") = "6"
    & skf21("3","7","4","4","2","1","4","1") = "6"
    & skf21("3","7","4","4","2","1","5","1") = "6"
    & skf21("3","7","4","4","2","1","6","1") = "6"
    & skf21("3","7","4","4","2","1","7","1") = "6"
    & skf21("3","7","4","4","2","2","1","1") = "6"
    & skf21("3","7","4","4","2","2","2","1") = "6"
    & skf21("3","7","4","4","2","2","3","1") = "6"
    & skf21("3","7","4","4","2","2","4","1") = "6"
    & skf21("3","7","4","4","2","2","5","1") = "6"
    & skf21("3","7","4","4","2","2","6","1") = "6"
    & skf21("3","7","4","4","2","2","7","1") = "6"
    & skf21("3","7","4","4","2","3","1","1") = "6"
    & skf21("3","7","4","4","2","3","2","1") = "6"
    & skf21("3","7","4","4","2","3","3","1") = "6"
    & skf21("3","7","4","4","2","3","4","1") = "6"
    & skf21("3","7","4","4","2","3","5","1") = "6"
    & skf21("3","7","4","4","2","3","6","1") = "6"
    & skf21("3","7","4","4","2","3","7","1") = "6"
    & skf21("3","7","4","4","2","4","1","1") = "6"
    & skf21("3","7","4","4","2","4","2","1") = "6"
    & skf21("3","7","4","4","2","4","3","1") = "6"
    & skf21("3","7","4","4","2","4","4","1") = "6"
    & skf21("3","7","4","4","2","4","5","1") = "6"
    & skf21("3","7","4","4","2","4","6","1") = "6"
    & skf21("3","7","4","4","2","4","7","1") = "6"
    & skf21("3","7","4","4","2","5","1","1") = "6"
    & skf21("3","7","4","4","2","5","2","1") = "6"
    & skf21("3","7","4","4","2","5","3","1") = "6"
    & skf21("3","7","4","4","2","5","4","1") = "6"
    & skf21("3","7","4","4","2","5","5","1") = "6"
    & skf21("3","7","4","4","2","5","6","1") = "6"
    & skf21("3","7","4","4","2","5","7","1") = "6"
    & skf21("3","7","4","4","2","6","1","1") = "6"
    & skf21("3","7","4","4","2","6","2","1") = "6"
    & skf21("3","7","4","4","2","6","3","1") = "6"
    & skf21("3","7","4","4","2","6","4","1") = "6"
    & skf21("3","7","4","4","2","6","5","1") = "6"
    & skf21("3","7","4","4","2","6","6","1") = "6"
    & skf21("3","7","4","4","2","6","7","1") = "6"
    & skf21("3","7","4","4","2","7","1","1") = "6"
    & skf21("3","7","4","4","2","7","2","1") = "6"
    & skf21("3","7","4","4","2","7","3","1") = "6"
    & skf21("3","7","4","4","2","7","4","1") = "6"
    & skf21("3","7","4","4","2","7","5","1") = "6"
    & skf21("3","7","4","4","2","7","6","1") = "6"
    & skf21("3","7","4","4","2","7","7","1") = "6"
    & skf21("3","7","4","4","3","1","1","1") = "6"
    & skf21("3","7","4","4","3","1","2","1") = "6"
    & skf21("3","7","4","4","3","1","3","1") = "6"
    & skf21("3","7","4","4","3","1","4","1") = "6"
    & skf21("3","7","4","4","3","1","5","1") = "6"
    & skf21("3","7","4","4","3","1","6","1") = "6"
    & skf21("3","7","4","4","3","1","7","1") = "6"
    & skf21("3","7","4","4","3","2","1","1") = "6"
    & skf21("3","7","4","4","3","2","2","1") = "6"
    & skf21("3","7","4","4","3","2","3","1") = "6"
    & skf21("3","7","4","4","3","2","4","1") = "6"
    & skf21("3","7","4","4","3","2","5","1") = "6"
    & skf21("3","7","4","4","3","2","6","1") = "6"
    & skf21("3","7","4","4","3","2","7","1") = "6"
    & skf21("3","7","4","4","3","3","1","1") = "6"
    & skf21("3","7","4","4","3","3","2","1") = "6"
    & skf21("3","7","4","4","3","3","3","1") = "6"
    & skf21("3","7","4","4","3","3","4","1") = "6"
    & skf21("3","7","4","4","3","3","5","1") = "6"
    & skf21("3","7","4","4","3","3","6","1") = "6"
    & skf21("3","7","4","4","3","3","7","1") = "6"
    & skf21("3","7","4","4","3","4","1","1") = "6"
    & skf21("3","7","4","4","3","4","2","1") = "6"
    & skf21("3","7","4","4","3","4","3","1") = "6"
    & skf21("3","7","4","4","3","4","4","1") = "6"
    & skf21("3","7","4","4","3","4","5","1") = "6"
    & skf21("3","7","4","4","3","4","6","1") = "6"
    & skf21("3","7","4","4","3","4","7","1") = "6"
    & skf21("3","7","4","4","3","5","1","1") = "6"
    & skf21("3","7","4","4","3","5","2","1") = "6"
    & skf21("3","7","4","4","3","5","3","1") = "6"
    & skf21("3","7","4","4","3","5","4","1") = "6"
    & skf21("3","7","4","4","3","5","5","1") = "6"
    & skf21("3","7","4","4","3","5","6","1") = "6"
    & skf21("3","7","4","4","3","5","7","1") = "6"
    & skf21("3","7","4","4","3","6","1","1") = "6"
    & skf21("3","7","4","4","3","6","2","1") = "6"
    & skf21("3","7","4","4","3","6","3","1") = "6"
    & skf21("3","7","4","4","3","6","4","1") = "6"
    & skf21("3","7","4","4","3","6","5","1") = "6"
    & skf21("3","7","4","4","3","6","6","1") = "6"
    & skf21("3","7","4","4","3","6","7","1") = "6"
    & skf21("3","7","4","4","3","7","1","1") = "6"
    & skf21("3","7","4","4","3","7","2","1") = "6"
    & skf21("3","7","4","4","3","7","3","1") = "6"
    & skf21("3","7","4","4","3","7","4","1") = "6"
    & skf21("3","7","4","4","3","7","5","1") = "6"
    & skf21("3","7","4","4","3","7","6","1") = "6"
    & skf21("3","7","4","4","3","7","7","1") = "6"
    & skf21("3","7","4","4","4","1","1","1") = "6"
    & skf21("3","7","4","4","4","1","2","1") = "6"
    & skf21("3","7","4","4","4","1","3","1") = "6"
    & skf21("3","7","4","4","4","1","4","1") = "6"
    & skf21("3","7","4","4","4","1","5","1") = "6"
    & skf21("3","7","4","4","4","1","6","1") = "6"
    & skf21("3","7","4","4","4","1","7","1") = "6"
    & skf21("3","7","4","4","4","2","1","1") = "6"
    & skf21("3","7","4","4","4","2","2","1") = "6"
    & skf21("3","7","4","4","4","2","3","1") = "6"
    & skf21("3","7","4","4","4","2","4","1") = "6"
    & skf21("3","7","4","4","4","2","5","1") = "6"
    & skf21("3","7","4","4","4","2","6","1") = "6"
    & skf21("3","7","4","4","4","2","7","1") = "6"
    & skf21("3","7","4","4","4","3","1","1") = "6"
    & skf21("3","7","4","4","4","3","2","1") = "6"
    & skf21("3","7","4","4","4","3","3","1") = "6"
    & skf21("3","7","4","4","4","3","4","1") = "6"
    & skf21("3","7","4","4","4","3","5","1") = "6"
    & skf21("3","7","4","4","4","3","6","1") = "6"
    & skf21("3","7","4","4","4","3","7","1") = "6"
    & skf21("3","7","4","4","4","4","1","1") = "6"
    & skf21("3","7","4","4","4","4","2","1") = "6"
    & skf21("3","7","4","4","4","4","3","1") = "6"
    & skf21("3","7","4","4","4","4","4","1") = "6"
    & skf21("3","7","4","4","4","4","5","1") = "6"
    & skf21("3","7","4","4","4","4","6","1") = "6"
    & skf21("3","7","4","4","4","4","7","1") = "6"
    & skf21("3","7","4","4","4","5","1","1") = "6"
    & skf21("3","7","4","4","4","5","2","1") = "6"
    & skf21("3","7","4","4","4","5","3","1") = "6"
    & skf21("3","7","4","4","4","5","4","1") = "6"
    & skf21("3","7","4","4","4","5","5","1") = "6"
    & skf21("3","7","4","4","4","5","6","1") = "6"
    & skf21("3","7","4","4","4","5","7","1") = "6"
    & skf21("3","7","4","4","4","6","1","1") = "6"
    & skf21("3","7","4","4","4","6","2","1") = "6"
    & skf21("3","7","4","4","4","6","3","1") = "6"
    & skf21("3","7","4","4","4","6","4","1") = "6"
    & skf21("3","7","4","4","4","6","5","1") = "6"
    & skf21("3","7","4","4","4","6","6","1") = "6"
    & skf21("3","7","4","4","4","6","7","1") = "6"
    & skf21("3","7","4","4","4","7","1","1") = "6"
    & skf21("3","7","4","4","4","7","2","1") = "6"
    & skf21("3","7","4","4","4","7","3","1") = "6"
    & skf21("3","7","4","4","4","7","4","1") = "6"
    & skf21("3","7","4","4","4","7","5","1") = "6"
    & skf21("3","7","4","4","4","7","6","1") = "6"
    & skf21("3","7","4","4","4","7","7","1") = "6"
    & skf21("3","7","4","4","5","1","1","1") = "6"
    & skf21("3","7","4","4","5","1","2","1") = "6"
    & skf21("3","7","4","4","5","1","3","1") = "6"
    & skf21("3","7","4","4","5","1","4","1") = "6"
    & skf21("3","7","4","4","5","1","5","1") = "6"
    & skf21("3","7","4","4","5","1","6","1") = "6"
    & skf21("3","7","4","4","5","1","7","1") = "6"
    & skf21("3","7","4","4","5","2","1","1") = "6"
    & skf21("3","7","4","4","5","2","2","1") = "6"
    & skf21("3","7","4","4","5","2","3","1") = "6"
    & skf21("3","7","4","4","5","2","4","1") = "6"
    & skf21("3","7","4","4","5","2","5","1") = "6"
    & skf21("3","7","4","4","5","2","6","1") = "6"
    & skf21("3","7","4","4","5","2","7","1") = "6"
    & skf21("3","7","4","4","5","3","1","1") = "6"
    & skf21("3","7","4","4","5","3","2","1") = "6"
    & skf21("3","7","4","4","5","3","3","1") = "6"
    & skf21("3","7","4","4","5","3","4","1") = "6"
    & skf21("3","7","4","4","5","3","5","1") = "6"
    & skf21("3","7","4","4","5","3","6","1") = "6"
    & skf21("3","7","4","4","5","3","7","1") = "6"
    & skf21("3","7","4","4","5","4","1","1") = "6"
    & skf21("3","7","4","4","5","4","2","1") = "6"
    & skf21("3","7","4","4","5","4","3","1") = "6"
    & skf21("3","7","4","4","5","4","4","1") = "6"
    & skf21("3","7","4","4","5","4","5","1") = "6"
    & skf21("3","7","4","4","5","4","6","1") = "6"
    & skf21("3","7","4","4","5","4","7","1") = "6"
    & skf21("3","7","4","4","5","5","1","1") = "6"
    & skf21("3","7","4","4","5","5","2","1") = "6"
    & skf21("3","7","4","4","5","5","3","1") = "6"
    & skf21("3","7","4","4","5","5","4","1") = "6"
    & skf21("3","7","4","4","5","5","5","1") = "6"
    & skf21("3","7","4","4","5","5","6","1") = "6"
    & skf21("3","7","4","4","5","5","7","1") = "6"
    & skf21("3","7","4","4","5","6","1","1") = "6"
    & skf21("3","7","4","4","5","6","2","1") = "6"
    & skf21("3","7","4","4","5","6","3","1") = "6"
    & skf21("3","7","4","4","5","6","4","1") = "6"
    & skf21("3","7","4","4","5","6","5","1") = "6"
    & skf21("3","7","4","4","5","6","6","1") = "6"
    & skf21("3","7","4","4","5","6","7","1") = "6"
    & skf21("3","7","4","4","5","7","1","1") = "6"
    & skf21("3","7","4","4","5","7","2","1") = "6"
    & skf21("3","7","4","4","5","7","3","1") = "6"
    & skf21("3","7","4","4","5","7","4","1") = "6"
    & skf21("3","7","4","4","5","7","5","1") = "6"
    & skf21("3","7","4","4","5","7","6","1") = "6"
    & skf21("3","7","4","4","5","7","7","1") = "6"
    & skf21("3","7","4","4","6","1","1","1") = "6"
    & skf21("3","7","4","4","6","1","2","1") = "6"
    & skf21("3","7","4","4","6","1","3","1") = "6"
    & skf21("3","7","4","4","6","1","4","1") = "6"
    & skf21("3","7","4","4","6","1","5","1") = "6"
    & skf21("3","7","4","4","6","1","6","1") = "6"
    & skf21("3","7","4","4","6","1","7","1") = "6"
    & skf21("3","7","4","4","6","2","1","1") = "6"
    & skf21("3","7","4","4","6","2","2","1") = "6"
    & skf21("3","7","4","4","6","2","3","1") = "6"
    & skf21("3","7","4","4","6","2","4","1") = "6"
    & skf21("3","7","4","4","6","2","5","1") = "6"
    & skf21("3","7","4","4","6","2","6","1") = "6"
    & skf21("3","7","4","4","6","2","7","1") = "6"
    & skf21("3","7","4","4","6","3","1","1") = "6"
    & skf21("3","7","4","4","6","3","2","1") = "6"
    & skf21("3","7","4","4","6","3","3","1") = "6"
    & skf21("3","7","4","4","6","3","4","1") = "6"
    & skf21("3","7","4","4","6","3","5","1") = "6"
    & skf21("3","7","4","4","6","3","6","1") = "6"
    & skf21("3","7","4","4","6","3","7","1") = "6"
    & skf21("3","7","4","4","6","4","1","1") = "6"
    & skf21("3","7","4","4","6","4","2","1") = "6"
    & skf21("3","7","4","4","6","4","3","1") = "6"
    & skf21("3","7","4","4","6","4","4","1") = "6"
    & skf21("3","7","4","4","6","4","5","1") = "6"
    & skf21("3","7","4","4","6","4","6","1") = "6"
    & skf21("3","7","4","4","6","4","7","1") = "6"
    & skf21("3","7","4","4","6","5","1","1") = "6"
    & skf21("3","7","4","4","6","5","2","1") = "6"
    & skf21("3","7","4","4","6","5","3","1") = "6"
    & skf21("3","7","4","4","6","5","4","1") = "6"
    & skf21("3","7","4","4","6","5","5","1") = "6"
    & skf21("3","7","4","4","6","5","6","1") = "6"
    & skf21("3","7","4","4","6","5","7","1") = "6"
    & skf21("3","7","4","4","6","6","1","1") = "6"
    & skf21("3","7","4","4","6","6","2","1") = "6"
    & skf21("3","7","4","4","6","6","3","1") = "6"
    & skf21("3","7","4","4","6","6","4","1") = "6"
    & skf21("3","7","4","4","6","6","5","1") = "6"
    & skf21("3","7","4","4","6","6","6","1") = "6"
    & skf21("3","7","4","4","6","6","7","1") = "6"
    & skf21("3","7","4","4","6","7","1","1") = "6"
    & skf21("3","7","4","4","6","7","2","1") = "6"
    & skf21("3","7","4","4","6","7","3","1") = "6"
    & skf21("3","7","4","4","6","7","4","1") = "6"
    & skf21("3","7","4","4","6","7","5","1") = "6"
    & skf21("3","7","4","4","6","7","6","1") = "6"
    & skf21("3","7","4","4","6","7","7","1") = "6"
    & skf21("3","7","4","4","7","1","1","1") = "6"
    & skf21("3","7","4","4","7","1","2","1") = "6"
    & skf21("3","7","4","4","7","1","3","1") = "6"
    & skf21("3","7","4","4","7","1","4","1") = "6"
    & skf21("3","7","4","4","7","1","5","1") = "6"
    & skf21("3","7","4","4","7","1","6","1") = "6"
    & skf21("3","7","4","4","7","1","7","1") = "6"
    & skf21("3","7","4","4","7","2","1","1") = "6"
    & skf21("3","7","4","4","7","2","2","1") = "6"
    & skf21("3","7","4","4","7","2","3","1") = "6"
    & skf21("3","7","4","4","7","2","4","1") = "6"
    & skf21("3","7","4","4","7","2","5","1") = "6"
    & skf21("3","7","4","4","7","2","6","1") = "6"
    & skf21("3","7","4","4","7","2","7","1") = "6"
    & skf21("3","7","4","4","7","3","1","1") = "6"
    & skf21("3","7","4","4","7","3","2","1") = "6"
    & skf21("3","7","4","4","7","3","3","1") = "6"
    & skf21("3","7","4","4","7","3","4","1") = "6"
    & skf21("3","7","4","4","7","3","5","1") = "6"
    & skf21("3","7","4","4","7","3","6","1") = "6"
    & skf21("3","7","4","4","7","3","7","1") = "6"
    & skf21("3","7","4","4","7","4","1","1") = "6"
    & skf21("3","7","4","4","7","4","2","1") = "6"
    & skf21("3","7","4","4","7","4","3","1") = "6"
    & skf21("3","7","4","4","7","4","4","1") = "6"
    & skf21("3","7","4","4","7","4","5","1") = "6"
    & skf21("3","7","4","4","7","4","6","1") = "6"
    & skf21("3","7","4","4","7","4","7","1") = "6"
    & skf21("3","7","4","4","7","5","1","1") = "6"
    & skf21("3","7","4","4","7","5","2","1") = "6"
    & skf21("3","7","4","4","7","5","3","1") = "6"
    & skf21("3","7","4","4","7","5","4","1") = "6"
    & skf21("3","7","4","4","7","5","5","1") = "6"
    & skf21("3","7","4","4","7","5","6","1") = "6"
    & skf21("3","7","4","4","7","5","7","1") = "6"
    & skf21("3","7","4","4","7","6","1","1") = "6"
    & skf21("3","7","4","4","7","6","2","1") = "6"
    & skf21("3","7","4","4","7","6","3","1") = "6"
    & skf21("3","7","4","4","7","6","4","1") = "6"
    & skf21("3","7","4","4","7","6","5","1") = "6"
    & skf21("3","7","4","4","7","6","6","1") = "6"
    & skf21("3","7","4","4","7","6","7","1") = "6"
    & skf21("3","7","4","4","7","7","1","1") = "6"
    & skf21("3","7","4","4","7","7","2","1") = "6"
    & skf21("3","7","4","4","7","7","3","1") = "6"
    & skf21("3","7","4","4","7","7","4","1") = "6"
    & skf21("3","7","4","4","7","7","5","1") = "6"
    & skf21("3","7","4","4","7","7","6","1") = "6"
    & skf21("3","7","4","4","7","7","7","1") = "6"
    & skf21("3","7","4","5","1","1","1","1") = "6"
    & skf21("3","7","4","5","1","1","2","1") = "6"
    & skf21("3","7","4","5","1","1","3","1") = "6"
    & skf21("3","7","4","5","1","1","4","1") = "6"
    & skf21("3","7","4","5","1","1","5","1") = "6"
    & skf21("3","7","4","5","1","1","6","1") = "6"
    & skf21("3","7","4","5","1","1","7","1") = "6"
    & skf21("3","7","4","5","1","2","1","1") = "6"
    & skf21("3","7","4","5","1","2","2","1") = "6"
    & skf21("3","7","4","5","1","2","3","1") = "6"
    & skf21("3","7","4","5","1","2","4","1") = "6"
    & skf21("3","7","4","5","1","2","5","1") = "6"
    & skf21("3","7","4","5","1","2","6","1") = "6"
    & skf21("3","7","4","5","1","2","7","1") = "6"
    & skf21("3","7","4","5","1","3","1","1") = "6"
    & skf21("3","7","4","5","1","3","2","1") = "6"
    & skf21("3","7","4","5","1","3","3","1") = "6"
    & skf21("3","7","4","5","1","3","4","1") = "6"
    & skf21("3","7","4","5","1","3","5","1") = "6"
    & skf21("3","7","4","5","1","3","6","1") = "6"
    & skf21("3","7","4","5","1","3","7","1") = "6"
    & skf21("3","7","4","5","1","4","1","1") = "6"
    & skf21("3","7","4","5","1","4","2","1") = "6"
    & skf21("3","7","4","5","1","4","3","1") = "6"
    & skf21("3","7","4","5","1","4","4","1") = "6"
    & skf21("3","7","4","5","1","4","5","1") = "6"
    & skf21("3","7","4","5","1","4","6","1") = "6"
    & skf21("3","7","4","5","1","4","7","1") = "6"
    & skf21("3","7","4","5","1","5","1","1") = "6"
    & skf21("3","7","4","5","1","5","2","1") = "6"
    & skf21("3","7","4","5","1","5","3","1") = "6"
    & skf21("3","7","4","5","1","5","4","1") = "6"
    & skf21("3","7","4","5","1","5","5","1") = "6"
    & skf21("3","7","4","5","1","5","6","1") = "6"
    & skf21("3","7","4","5","1","5","7","1") = "6"
    & skf21("3","7","4","5","1","6","1","1") = "6"
    & skf21("3","7","4","5","1","6","2","1") = "6"
    & skf21("3","7","4","5","1","6","3","1") = "6"
    & skf21("3","7","4","5","1","6","4","1") = "6"
    & skf21("3","7","4","5","1","6","5","1") = "6"
    & skf21("3","7","4","5","1","6","6","1") = "6"
    & skf21("3","7","4","5","1","6","7","1") = "6"
    & skf21("3","7","4","5","1","7","1","1") = "6"
    & skf21("3","7","4","5","1","7","2","1") = "6"
    & skf21("3","7","4","5","1","7","3","1") = "6"
    & skf21("3","7","4","5","1","7","4","1") = "6"
    & skf21("3","7","4","5","1","7","5","1") = "6"
    & skf21("3","7","4","5","1","7","6","1") = "6"
    & skf21("3","7","4","5","1","7","7","1") = "6"
    & skf21("3","7","4","5","2","1","1","1") = "6"
    & skf21("3","7","4","5","2","1","2","1") = "6"
    & skf21("3","7","4","5","2","1","3","1") = "6"
    & skf21("3","7","4","5","2","1","4","1") = "6"
    & skf21("3","7","4","5","2","1","5","1") = "6"
    & skf21("3","7","4","5","2","1","6","1") = "6"
    & skf21("3","7","4","5","2","1","7","1") = "6"
    & skf21("3","7","4","5","2","2","1","1") = "6"
    & skf21("3","7","4","5","2","2","2","1") = "6"
    & skf21("3","7","4","5","2","2","3","1") = "6"
    & skf21("3","7","4","5","2","2","4","1") = "6"
    & skf21("3","7","4","5","2","2","5","1") = "6"
    & skf21("3","7","4","5","2","2","6","1") = "6"
    & skf21("3","7","4","5","2","2","7","1") = "6"
    & skf21("3","7","4","5","2","3","1","1") = "6"
    & skf21("3","7","4","5","2","3","2","1") = "6"
    & skf21("3","7","4","5","2","3","3","1") = "6"
    & skf21("3","7","4","5","2","3","4","1") = "6"
    & skf21("3","7","4","5","2","3","5","1") = "6"
    & skf21("3","7","4","5","2","3","6","1") = "6"
    & skf21("3","7","4","5","2","3","7","1") = "6"
    & skf21("3","7","4","5","2","4","1","1") = "6"
    & skf21("3","7","4","5","2","4","2","1") = "6"
    & skf21("3","7","4","5","2","4","3","1") = "6"
    & skf21("3","7","4","5","2","4","4","1") = "6"
    & skf21("3","7","4","5","2","4","5","1") = "6"
    & skf21("3","7","4","5","2","4","6","1") = "6"
    & skf21("3","7","4","5","2","4","7","1") = "6"
    & skf21("3","7","4","5","2","5","1","1") = "6"
    & skf21("3","7","4","5","2","5","2","1") = "6"
    & skf21("3","7","4","5","2","5","3","1") = "6"
    & skf21("3","7","4","5","2","5","4","1") = "6"
    & skf21("3","7","4","5","2","5","5","1") = "6"
    & skf21("3","7","4","5","2","5","6","1") = "6"
    & skf21("3","7","4","5","2","5","7","1") = "6"
    & skf21("3","7","4","5","2","6","1","1") = "6"
    & skf21("3","7","4","5","2","6","2","1") = "6"
    & skf21("3","7","4","5","2","6","3","1") = "6"
    & skf21("3","7","4","5","2","6","4","1") = "6"
    & skf21("3","7","4","5","2","6","5","1") = "6"
    & skf21("3","7","4","5","2","6","6","1") = "6"
    & skf21("3","7","4","5","2","6","7","1") = "6"
    & skf21("3","7","4","5","2","7","1","1") = "6"
    & skf21("3","7","4","5","2","7","2","1") = "6"
    & skf21("3","7","4","5","2","7","3","1") = "6"
    & skf21("3","7","4","5","2","7","4","1") = "6"
    & skf21("3","7","4","5","2","7","5","1") = "6"
    & skf21("3","7","4","5","2","7","6","1") = "6"
    & skf21("3","7","4","5","2","7","7","1") = "6"
    & skf21("3","7","4","5","3","1","1","1") = "6"
    & skf21("3","7","4","5","3","1","2","1") = "6"
    & skf21("3","7","4","5","3","1","3","1") = "6"
    & skf21("3","7","4","5","3","1","4","1") = "6"
    & skf21("3","7","4","5","3","1","5","1") = "6"
    & skf21("3","7","4","5","3","1","6","1") = "6"
    & skf21("3","7","4","5","3","1","7","1") = "6"
    & skf21("3","7","4","5","3","2","1","1") = "6"
    & skf21("3","7","4","5","3","2","2","1") = "6"
    & skf21("3","7","4","5","3","2","3","1") = "6"
    & skf21("3","7","4","5","3","2","4","1") = "6"
    & skf21("3","7","4","5","3","2","5","1") = "6"
    & skf21("3","7","4","5","3","2","6","1") = "6"
    & skf21("3","7","4","5","3","2","7","1") = "6"
    & skf21("3","7","4","5","3","3","1","1") = "6"
    & skf21("3","7","4","5","3","3","2","1") = "6"
    & skf21("3","7","4","5","3","3","3","1") = "6"
    & skf21("3","7","4","5","3","3","4","1") = "6"
    & skf21("3","7","4","5","3","3","5","1") = "6"
    & skf21("3","7","4","5","3","3","6","1") = "6"
    & skf21("3","7","4","5","3","3","7","1") = "6"
    & skf21("3","7","4","5","3","4","1","1") = "6"
    & skf21("3","7","4","5","3","4","2","1") = "6"
    & skf21("3","7","4","5","3","4","3","1") = "6"
    & skf21("3","7","4","5","3","4","4","1") = "6"
    & skf21("3","7","4","5","3","4","5","1") = "6"
    & skf21("3","7","4","5","3","4","6","1") = "6"
    & skf21("3","7","4","5","3","4","7","1") = "6"
    & skf21("3","7","4","5","3","5","1","1") = "6"
    & skf21("3","7","4","5","3","5","2","1") = "6"
    & skf21("3","7","4","5","3","5","3","1") = "6"
    & skf21("3","7","4","5","3","5","4","1") = "6"
    & skf21("3","7","4","5","3","5","5","1") = "6"
    & skf21("3","7","4","5","3","5","6","1") = "6"
    & skf21("3","7","4","5","3","5","7","1") = "6"
    & skf21("3","7","4","5","3","6","1","1") = "6"
    & skf21("3","7","4","5","3","6","2","1") = "6"
    & skf21("3","7","4","5","3","6","3","1") = "6"
    & skf21("3","7","4","5","3","6","4","1") = "6"
    & skf21("3","7","4","5","3","6","5","1") = "6"
    & skf21("3","7","4","5","3","6","6","1") = "6"
    & skf21("3","7","4","5","3","6","7","1") = "6"
    & skf21("3","7","4","5","3","7","1","1") = "6"
    & skf21("3","7","4","5","3","7","2","1") = "6"
    & skf21("3","7","4","5","3","7","3","1") = "6"
    & skf21("3","7","4","5","3","7","4","1") = "6"
    & skf21("3","7","4","5","3","7","5","1") = "6"
    & skf21("3","7","4","5","3","7","6","1") = "6"
    & skf21("3","7","4","5","3","7","7","1") = "6"
    & skf21("3","7","4","5","4","1","1","1") = "6"
    & skf21("3","7","4","5","4","1","2","1") = "6"
    & skf21("3","7","4","5","4","1","3","1") = "6"
    & skf21("3","7","4","5","4","1","4","1") = "6"
    & skf21("3","7","4","5","4","1","5","1") = "6"
    & skf21("3","7","4","5","4","1","6","1") = "6"
    & skf21("3","7","4","5","4","1","7","1") = "6"
    & skf21("3","7","4","5","4","2","1","1") = "6"
    & skf21("3","7","4","5","4","2","2","1") = "6"
    & skf21("3","7","4","5","4","2","3","1") = "6"
    & skf21("3","7","4","5","4","2","4","1") = "6"
    & skf21("3","7","4","5","4","2","5","1") = "6"
    & skf21("3","7","4","5","4","2","6","1") = "6"
    & skf21("3","7","4","5","4","2","7","1") = "6"
    & skf21("3","7","4","5","4","3","1","1") = "6"
    & skf21("3","7","4","5","4","3","2","1") = "6"
    & skf21("3","7","4","5","4","3","3","1") = "6"
    & skf21("3","7","4","5","4","3","4","1") = "6"
    & skf21("3","7","4","5","4","3","5","1") = "6"
    & skf21("3","7","4","5","4","3","6","1") = "6"
    & skf21("3","7","4","5","4","3","7","1") = "6"
    & skf21("3","7","4","5","4","4","1","1") = "6"
    & skf21("3","7","4","5","4","4","2","1") = "6"
    & skf21("3","7","4","5","4","4","3","1") = "6"
    & skf21("3","7","4","5","4","4","4","1") = "6"
    & skf21("3","7","4","5","4","4","5","1") = "6"
    & skf21("3","7","4","5","4","4","6","1") = "6"
    & skf21("3","7","4","5","4","4","7","1") = "6"
    & skf21("3","7","4","5","4","5","1","1") = "6"
    & skf21("3","7","4","5","4","5","2","1") = "6"
    & skf21("3","7","4","5","4","5","3","1") = "6"
    & skf21("3","7","4","5","4","5","4","1") = "6"
    & skf21("3","7","4","5","4","5","5","1") = "6"
    & skf21("3","7","4","5","4","5","6","1") = "6"
    & skf21("3","7","4","5","4","5","7","1") = "6"
    & skf21("3","7","4","5","4","6","1","1") = "6"
    & skf21("3","7","4","5","4","6","2","1") = "6"
    & skf21("3","7","4","5","4","6","3","1") = "6"
    & skf21("3","7","4","5","4","6","4","1") = "6"
    & skf21("3","7","4","5","4","6","5","1") = "6"
    & skf21("3","7","4","5","4","6","6","1") = "6"
    & skf21("3","7","4","5","4","6","7","1") = "6"
    & skf21("3","7","4","5","4","7","1","1") = "6"
    & skf21("3","7","4","5","4","7","2","1") = "6"
    & skf21("3","7","4","5","4","7","3","1") = "6"
    & skf21("3","7","4","5","4","7","4","1") = "6"
    & skf21("3","7","4","5","4","7","5","1") = "6"
    & skf21("3","7","4","5","4","7","6","1") = "6"
    & skf21("3","7","4","5","4","7","7","1") = "6"
    & skf21("3","7","4","5","5","1","1","1") = "6"
    & skf21("3","7","4","5","5","1","2","1") = "6"
    & skf21("3","7","4","5","5","1","3","1") = "6"
    & skf21("3","7","4","5","5","1","4","1") = "6"
    & skf21("3","7","4","5","5","1","5","1") = "6"
    & skf21("3","7","4","5","5","1","6","1") = "6"
    & skf21("3","7","4","5","5","1","7","1") = "6"
    & skf21("3","7","4","5","5","2","1","1") = "6"
    & skf21("3","7","4","5","5","2","2","1") = "6"
    & skf21("3","7","4","5","5","2","3","1") = "6"
    & skf21("3","7","4","5","5","2","4","1") = "6"
    & skf21("3","7","4","5","5","2","5","1") = "6"
    & skf21("3","7","4","5","5","2","6","1") = "6"
    & skf21("3","7","4","5","5","2","7","1") = "6"
    & skf21("3","7","4","5","5","3","1","1") = "6"
    & skf21("3","7","4","5","5","3","2","1") = "6"
    & skf21("3","7","4","5","5","3","3","1") = "6"
    & skf21("3","7","4","5","5","3","4","1") = "6"
    & skf21("3","7","4","5","5","3","5","1") = "6"
    & skf21("3","7","4","5","5","3","6","1") = "6"
    & skf21("3","7","4","5","5","3","7","1") = "6"
    & skf21("3","7","4","5","5","4","1","1") = "6"
    & skf21("3","7","4","5","5","4","2","1") = "6"
    & skf21("3","7","4","5","5","4","3","1") = "6"
    & skf21("3","7","4","5","5","4","4","1") = "6"
    & skf21("3","7","4","5","5","4","5","1") = "6"
    & skf21("3","7","4","5","5","4","6","1") = "6"
    & skf21("3","7","4","5","5","4","7","1") = "6"
    & skf21("3","7","4","5","5","5","1","1") = "6"
    & skf21("3","7","4","5","5","5","2","1") = "6"
    & skf21("3","7","4","5","5","5","3","1") = "6"
    & skf21("3","7","4","5","5","5","4","1") = "6"
    & skf21("3","7","4","5","5","5","5","1") = "6"
    & skf21("3","7","4","5","5","5","6","1") = "6"
    & skf21("3","7","4","5","5","5","7","1") = "6"
    & skf21("3","7","4","5","5","6","1","1") = "6"
    & skf21("3","7","4","5","5","6","2","1") = "6"
    & skf21("3","7","4","5","5","6","3","1") = "6"
    & skf21("3","7","4","5","5","6","4","1") = "6"
    & skf21("3","7","4","5","5","6","5","1") = "6"
    & skf21("3","7","4","5","5","6","6","1") = "6"
    & skf21("3","7","4","5","5","6","7","1") = "6"
    & skf21("3","7","4","5","5","7","1","1") = "6"
    & skf21("3","7","4","5","5","7","2","1") = "6"
    & skf21("3","7","4","5","5","7","3","1") = "6"
    & skf21("3","7","4","5","5","7","4","1") = "6"
    & skf21("3","7","4","5","5","7","5","1") = "6"
    & skf21("3","7","4","5","5","7","6","1") = "6"
    & skf21("3","7","4","5","5","7","7","1") = "6"
    & skf21("3","7","4","5","6","1","1","1") = "6"
    & skf21("3","7","4","5","6","1","2","1") = "6"
    & skf21("3","7","4","5","6","1","3","1") = "6"
    & skf21("3","7","4","5","6","1","4","1") = "6"
    & skf21("3","7","4","5","6","1","5","1") = "6"
    & skf21("3","7","4","5","6","1","6","1") = "6"
    & skf21("3","7","4","5","6","1","7","1") = "6"
    & skf21("3","7","4","5","6","2","1","1") = "6"
    & skf21("3","7","4","5","6","2","2","1") = "6"
    & skf21("3","7","4","5","6","2","3","1") = "6"
    & skf21("3","7","4","5","6","2","4","1") = "6"
    & skf21("3","7","4","5","6","2","5","1") = "6"
    & skf21("3","7","4","5","6","2","6","1") = "6"
    & skf21("3","7","4","5","6","2","7","1") = "6"
    & skf21("3","7","4","5","6","3","1","1") = "6"
    & skf21("3","7","4","5","6","3","2","1") = "6"
    & skf21("3","7","4","5","6","3","3","1") = "6"
    & skf21("3","7","4","5","6","3","4","1") = "6"
    & skf21("3","7","4","5","6","3","5","1") = "6"
    & skf21("3","7","4","5","6","3","6","1") = "6"
    & skf21("3","7","4","5","6","3","7","1") = "6"
    & skf21("3","7","4","5","6","4","1","1") = "6"
    & skf21("3","7","4","5","6","4","2","1") = "6"
    & skf21("3","7","4","5","6","4","3","1") = "6"
    & skf21("3","7","4","5","6","4","4","1") = "6"
    & skf21("3","7","4","5","6","4","5","1") = "6"
    & skf21("3","7","4","5","6","4","6","1") = "6"
    & skf21("3","7","4","5","6","4","7","1") = "6"
    & skf21("3","7","4","5","6","5","1","1") = "6"
    & skf21("3","7","4","5","6","5","2","1") = "6"
    & skf21("3","7","4","5","6","5","3","1") = "6"
    & skf21("3","7","4","5","6","5","4","1") = "6"
    & skf21("3","7","4","5","6","5","5","1") = "6"
    & skf21("3","7","4","5","6","5","6","1") = "6"
    & skf21("3","7","4","5","6","5","7","1") = "6"
    & skf21("3","7","4","5","6","6","1","1") = "6"
    & skf21("3","7","4","5","6","6","2","1") = "6"
    & skf21("3","7","4","5","6","6","3","1") = "6"
    & skf21("3","7","4","5","6","6","4","1") = "6"
    & skf21("3","7","4","5","6","6","5","1") = "6"
    & skf21("3","7","4","5","6","6","6","1") = "6"
    & skf21("3","7","4","5","6","6","7","1") = "6"
    & skf21("3","7","4","5","6","7","1","1") = "6"
    & skf21("3","7","4","5","6","7","2","1") = "6"
    & skf21("3","7","4","5","6","7","3","1") = "6"
    & skf21("3","7","4","5","6","7","4","1") = "6"
    & skf21("3","7","4","5","6","7","5","1") = "6"
    & skf21("3","7","4","5","6","7","6","1") = "6"
    & skf21("3","7","4","5","6","7","7","1") = "6"
    & skf21("3","7","4","5","7","1","1","1") = "6"
    & skf21("3","7","4","5","7","1","2","1") = "6"
    & skf21("3","7","4","5","7","1","3","1") = "6"
    & skf21("3","7","4","5","7","1","4","1") = "6"
    & skf21("3","7","4","5","7","1","5","1") = "6"
    & skf21("3","7","4","5","7","1","6","1") = "6"
    & skf21("3","7","4","5","7","1","7","1") = "6"
    & skf21("3","7","4","5","7","2","1","1") = "6"
    & skf21("3","7","4","5","7","2","2","1") = "6"
    & skf21("3","7","4","5","7","2","3","1") = "6"
    & skf21("3","7","4","5","7","2","4","1") = "6"
    & skf21("3","7","4","5","7","2","5","1") = "6"
    & skf21("3","7","4","5","7","2","6","1") = "6"
    & skf21("3","7","4","5","7","2","7","1") = "6"
    & skf21("3","7","4","5","7","3","1","1") = "6"
    & skf21("3","7","4","5","7","3","2","1") = "6"
    & skf21("3","7","4","5","7","3","3","1") = "6"
    & skf21("3","7","4","5","7","3","4","1") = "6"
    & skf21("3","7","4","5","7","3","5","1") = "6"
    & skf21("3","7","4","5","7","3","6","1") = "6"
    & skf21("3","7","4","5","7","3","7","1") = "6"
    & skf21("3","7","4","5","7","4","1","1") = "6"
    & skf21("3","7","4","5","7","4","2","1") = "6"
    & skf21("3","7","4","5","7","4","3","1") = "6"
    & skf21("3","7","4","5","7","4","4","1") = "6"
    & skf21("3","7","4","5","7","4","5","1") = "6"
    & skf21("3","7","4","5","7","4","6","1") = "6"
    & skf21("3","7","4","5","7","4","7","1") = "6"
    & skf21("3","7","4","5","7","5","1","1") = "6"
    & skf21("3","7","4","5","7","5","2","1") = "6"
    & skf21("3","7","4","5","7","5","3","1") = "6"
    & skf21("3","7","4","5","7","5","4","1") = "6"
    & skf21("3","7","4","5","7","5","5","1") = "6"
    & skf21("3","7","4","5","7","5","6","1") = "6"
    & skf21("3","7","4","5","7","5","7","1") = "6"
    & skf21("3","7","4","5","7","6","1","1") = "6"
    & skf21("3","7","4","5","7","6","2","1") = "6"
    & skf21("3","7","4","5","7","6","3","1") = "6"
    & skf21("3","7","4","5","7","6","4","1") = "6"
    & skf21("3","7","4","5","7","6","5","1") = "6"
    & skf21("3","7","4","5","7","6","6","1") = "6"
    & skf21("3","7","4","5","7","6","7","1") = "6"
    & skf21("3","7","4","5","7","7","1","1") = "6"
    & skf21("3","7","4","5","7","7","2","1") = "6"
    & skf21("3","7","4","5","7","7","3","1") = "6"
    & skf21("3","7","4","5","7","7","4","1") = "6"
    & skf21("3","7","4","5","7","7","5","1") = "6"
    & skf21("3","7","4","5","7","7","6","1") = "6"
    & skf21("3","7","4","5","7","7","7","1") = "6"
    & skf21("3","7","4","6","1","1","1","1") = "6"
    & skf21("3","7","4","6","1","1","2","1") = "6"
    & skf21("3","7","4","6","1","1","3","1") = "6"
    & skf21("3","7","4","6","1","1","4","1") = "6"
    & skf21("3","7","4","6","1","1","5","1") = "6"
    & skf21("3","7","4","6","1","1","6","1") = "6"
    & skf21("3","7","4","6","1","1","7","1") = "6"
    & skf21("3","7","4","6","1","2","1","1") = "6"
    & skf21("3","7","4","6","1","2","2","1") = "6"
    & skf21("3","7","4","6","1","2","3","1") = "6"
    & skf21("3","7","4","6","1","2","4","1") = "6"
    & skf21("3","7","4","6","1","2","5","1") = "6"
    & skf21("3","7","4","6","1","2","6","1") = "6"
    & skf21("3","7","4","6","1","2","7","1") = "6"
    & skf21("3","7","4","6","1","3","1","1") = "6"
    & skf21("3","7","4","6","1","3","2","1") = "6"
    & skf21("3","7","4","6","1","3","3","1") = "6"
    & skf21("3","7","4","6","1","3","4","1") = "6"
    & skf21("3","7","4","6","1","3","5","1") = "6"
    & skf21("3","7","4","6","1","3","6","1") = "6"
    & skf21("3","7","4","6","1","3","7","1") = "6"
    & skf21("3","7","4","6","1","4","1","1") = "6"
    & skf21("3","7","4","6","1","4","2","1") = "6"
    & skf21("3","7","4","6","1","4","3","1") = "6"
    & skf21("3","7","4","6","1","4","4","1") = "6"
    & skf21("3","7","4","6","1","4","5","1") = "6"
    & skf21("3","7","4","6","1","4","6","1") = "6"
    & skf21("3","7","4","6","1","4","7","1") = "6"
    & skf21("3","7","4","6","1","5","1","1") = "6"
    & skf21("3","7","4","6","1","5","2","1") = "6"
    & skf21("3","7","4","6","1","5","3","1") = "6"
    & skf21("3","7","4","6","1","5","4","1") = "6"
    & skf21("3","7","4","6","1","5","5","1") = "6"
    & skf21("3","7","4","6","1","5","6","1") = "6"
    & skf21("3","7","4","6","1","5","7","1") = "6"
    & skf21("3","7","4","6","1","6","1","1") = "6"
    & skf21("3","7","4","6","1","6","2","1") = "6"
    & skf21("3","7","4","6","1","6","3","1") = "6"
    & skf21("3","7","4","6","1","6","4","1") = "6"
    & skf21("3","7","4","6","1","6","5","1") = "6"
    & skf21("3","7","4","6","1","6","6","1") = "6"
    & skf21("3","7","4","6","1","6","7","1") = "6"
    & skf21("3","7","4","6","1","7","1","1") = "6"
    & skf21("3","7","4","6","1","7","2","1") = "6"
    & skf21("3","7","4","6","1","7","3","1") = "6"
    & skf21("3","7","4","6","1","7","4","1") = "6"
    & skf21("3","7","4","6","1","7","5","1") = "6"
    & skf21("3","7","4","6","1","7","6","1") = "6"
    & skf21("3","7","4","6","1","7","7","1") = "6"
    & skf21("3","7","4","6","2","1","1","1") = "6"
    & skf21("3","7","4","6","2","1","2","1") = "6"
    & skf21("3","7","4","6","2","1","3","1") = "6"
    & skf21("3","7","4","6","2","1","4","1") = "6"
    & skf21("3","7","4","6","2","1","5","1") = "6"
    & skf21("3","7","4","6","2","1","6","1") = "6"
    & skf21("3","7","4","6","2","1","7","1") = "6"
    & skf21("3","7","4","6","2","2","1","1") = "6"
    & skf21("3","7","4","6","2","2","2","1") = "6"
    & skf21("3","7","4","6","2","2","3","1") = "6"
    & skf21("3","7","4","6","2","2","4","1") = "6"
    & skf21("3","7","4","6","2","2","5","1") = "6"
    & skf21("3","7","4","6","2","2","6","1") = "6"
    & skf21("3","7","4","6","2","2","7","1") = "6"
    & skf21("3","7","4","6","2","3","1","1") = "6"
    & skf21("3","7","4","6","2","3","2","1") = "6"
    & skf21("3","7","4","6","2","3","3","1") = "6"
    & skf21("3","7","4","6","2","3","4","1") = "6"
    & skf21("3","7","4","6","2","3","5","1") = "6"
    & skf21("3","7","4","6","2","3","6","1") = "6"
    & skf21("3","7","4","6","2","3","7","1") = "6"
    & skf21("3","7","4","6","2","4","1","1") = "6"
    & skf21("3","7","4","6","2","4","2","1") = "6"
    & skf21("3","7","4","6","2","4","3","1") = "6"
    & skf21("3","7","4","6","2","4","4","1") = "6"
    & skf21("3","7","4","6","2","4","5","1") = "6"
    & skf21("3","7","4","6","2","4","6","1") = "6"
    & skf21("3","7","4","6","2","4","7","1") = "6"
    & skf21("3","7","4","6","2","5","1","1") = "6"
    & skf21("3","7","4","6","2","5","2","1") = "6"
    & skf21("3","7","4","6","2","5","3","1") = "6"
    & skf21("3","7","4","6","2","5","4","1") = "6"
    & skf21("3","7","4","6","2","5","5","1") = "6"
    & skf21("3","7","4","6","2","5","6","1") = "6"
    & skf21("3","7","4","6","2","5","7","1") = "6"
    & skf21("3","7","4","6","2","6","1","1") = "6"
    & skf21("3","7","4","6","2","6","2","1") = "6"
    & skf21("3","7","4","6","2","6","3","1") = "6"
    & skf21("3","7","4","6","2","6","4","1") = "6"
    & skf21("3","7","4","6","2","6","5","1") = "6"
    & skf21("3","7","4","6","2","6","6","1") = "6"
    & skf21("3","7","4","6","2","6","7","1") = "6"
    & skf21("3","7","4","6","2","7","1","1") = "6"
    & skf21("3","7","4","6","2","7","2","1") = "6"
    & skf21("3","7","4","6","2","7","3","1") = "6"
    & skf21("3","7","4","6","2","7","4","1") = "6"
    & skf21("3","7","4","6","2","7","5","1") = "6"
    & skf21("3","7","4","6","2","7","6","1") = "6"
    & skf21("3","7","4","6","2","7","7","1") = "6"
    & skf21("3","7","4","6","3","1","1","1") = "6"
    & skf21("3","7","4","6","3","1","2","1") = "6"
    & skf21("3","7","4","6","3","1","3","1") = "6"
    & skf21("3","7","4","6","3","1","4","1") = "6"
    & skf21("3","7","4","6","3","1","5","1") = "6"
    & skf21("3","7","4","6","3","1","6","1") = "6"
    & skf21("3","7","4","6","3","1","7","1") = "6"
    & skf21("3","7","4","6","3","2","1","1") = "6"
    & skf21("3","7","4","6","3","2","2","1") = "6"
    & skf21("3","7","4","6","3","2","3","1") = "6"
    & skf21("3","7","4","6","3","2","4","1") = "6"
    & skf21("3","7","4","6","3","2","5","1") = "6"
    & skf21("3","7","4","6","3","2","6","1") = "6"
    & skf21("3","7","4","6","3","2","7","1") = "6"
    & skf21("3","7","4","6","3","3","1","1") = "6"
    & skf21("3","7","4","6","3","3","2","1") = "6"
    & skf21("3","7","4","6","3","3","3","1") = "6"
    & skf21("3","7","4","6","3","3","4","1") = "6"
    & skf21("3","7","4","6","3","3","5","1") = "6"
    & skf21("3","7","4","6","3","3","6","1") = "6"
    & skf21("3","7","4","6","3","3","7","1") = "6"
    & skf21("3","7","4","6","3","4","1","1") = "6"
    & skf21("3","7","4","6","3","4","2","1") = "6"
    & skf21("3","7","4","6","3","4","3","1") = "6"
    & skf21("3","7","4","6","3","4","4","1") = "6"
    & skf21("3","7","4","6","3","4","5","1") = "6"
    & skf21("3","7","4","6","3","4","6","1") = "6"
    & skf21("3","7","4","6","3","4","7","1") = "6"
    & skf21("3","7","4","6","3","5","1","1") = "6"
    & skf21("3","7","4","6","3","5","2","1") = "6"
    & skf21("3","7","4","6","3","5","3","1") = "6"
    & skf21("3","7","4","6","3","5","4","1") = "6"
    & skf21("3","7","4","6","3","5","5","1") = "6"
    & skf21("3","7","4","6","3","5","6","1") = "6"
    & skf21("3","7","4","6","3","5","7","1") = "6"
    & skf21("3","7","4","6","3","6","1","1") = "6"
    & skf21("3","7","4","6","3","6","2","1") = "6"
    & skf21("3","7","4","6","3","6","3","1") = "6"
    & skf21("3","7","4","6","3","6","4","1") = "6"
    & skf21("3","7","4","6","3","6","5","1") = "6"
    & skf21("3","7","4","6","3","6","6","1") = "6"
    & skf21("3","7","4","6","3","6","7","1") = "6"
    & skf21("3","7","4","6","3","7","1","1") = "6"
    & skf21("3","7","4","6","3","7","2","1") = "6"
    & skf21("3","7","4","6","3","7","3","1") = "6"
    & skf21("3","7","4","6","3","7","4","1") = "6"
    & skf21("3","7","4","6","3","7","5","1") = "6"
    & skf21("3","7","4","6","3","7","6","1") = "6"
    & skf21("3","7","4","6","3","7","7","1") = "6"
    & skf21("3","7","4","6","4","1","1","1") = "6"
    & skf21("3","7","4","6","4","1","2","1") = "6"
    & skf21("3","7","4","6","4","1","3","1") = "6"
    & skf21("3","7","4","6","4","1","4","1") = "6"
    & skf21("3","7","4","6","4","1","5","1") = "6"
    & skf21("3","7","4","6","4","1","6","1") = "6"
    & skf21("3","7","4","6","4","1","7","1") = "6"
    & skf21("3","7","4","6","4","2","1","1") = "6"
    & skf21("3","7","4","6","4","2","2","1") = "6"
    & skf21("3","7","4","6","4","2","3","1") = "6"
    & skf21("3","7","4","6","4","2","4","1") = "6"
    & skf21("3","7","4","6","4","2","5","1") = "6"
    & skf21("3","7","4","6","4","2","6","1") = "6"
    & skf21("3","7","4","6","4","2","7","1") = "6"
    & skf21("3","7","4","6","4","3","1","1") = "6"
    & skf21("3","7","4","6","4","3","2","1") = "6"
    & skf21("3","7","4","6","4","3","3","1") = "6"
    & skf21("3","7","4","6","4","3","4","1") = "6"
    & skf21("3","7","4","6","4","3","5","1") = "6"
    & skf21("3","7","4","6","4","3","6","1") = "6"
    & skf21("3","7","4","6","4","3","7","1") = "6"
    & skf21("3","7","4","6","4","4","1","1") = "6"
    & skf21("3","7","4","6","4","4","2","1") = "6"
    & skf21("3","7","4","6","4","4","3","1") = "6"
    & skf21("3","7","4","6","4","4","4","1") = "6"
    & skf21("3","7","4","6","4","4","5","1") = "6"
    & skf21("3","7","4","6","4","4","6","1") = "6"
    & skf21("3","7","4","6","4","4","7","1") = "6"
    & skf21("3","7","4","6","4","5","1","1") = "6"
    & skf21("3","7","4","6","4","5","2","1") = "6"
    & skf21("3","7","4","6","4","5","3","1") = "6"
    & skf21("3","7","4","6","4","5","4","1") = "6"
    & skf21("3","7","4","6","4","5","5","1") = "6"
    & skf21("3","7","4","6","4","5","6","1") = "6"
    & skf21("3","7","4","6","4","5","7","1") = "6"
    & skf21("3","7","4","6","4","6","1","1") = "6"
    & skf21("3","7","4","6","4","6","2","1") = "6"
    & skf21("3","7","4","6","4","6","3","1") = "6"
    & skf21("3","7","4","6","4","6","4","1") = "6"
    & skf21("3","7","4","6","4","6","5","1") = "6"
    & skf21("3","7","4","6","4","6","6","1") = "6"
    & skf21("3","7","4","6","4","6","7","1") = "6"
    & skf21("3","7","4","6","4","7","1","1") = "6"
    & skf21("3","7","4","6","4","7","2","1") = "6"
    & skf21("3","7","4","6","4","7","3","1") = "6"
    & skf21("3","7","4","6","4","7","4","1") = "6"
    & skf21("3","7","4","6","4","7","5","1") = "6"
    & skf21("3","7","4","6","4","7","6","1") = "6"
    & skf21("3","7","4","6","4","7","7","1") = "6"
    & skf21("3","7","4","6","5","1","1","1") = "6"
    & skf21("3","7","4","6","5","1","2","1") = "6"
    & skf21("3","7","4","6","5","1","3","1") = "6"
    & skf21("3","7","4","6","5","1","4","1") = "6"
    & skf21("3","7","4","6","5","1","5","1") = "6"
    & skf21("3","7","4","6","5","1","6","1") = "6"
    & skf21("3","7","4","6","5","1","7","1") = "6"
    & skf21("3","7","4","6","5","2","1","1") = "6"
    & skf21("3","7","4","6","5","2","2","1") = "6"
    & skf21("3","7","4","6","5","2","3","1") = "6"
    & skf21("3","7","4","6","5","2","4","1") = "6"
    & skf21("3","7","4","6","5","2","5","1") = "6"
    & skf21("3","7","4","6","5","2","6","1") = "6"
    & skf21("3","7","4","6","5","2","7","1") = "6"
    & skf21("3","7","4","6","5","3","1","1") = "6"
    & skf21("3","7","4","6","5","3","2","1") = "6"
    & skf21("3","7","4","6","5","3","3","1") = "6"
    & skf21("3","7","4","6","5","3","4","1") = "6"
    & skf21("3","7","4","6","5","3","5","1") = "6"
    & skf21("3","7","4","6","5","3","6","1") = "6"
    & skf21("3","7","4","6","5","3","7","1") = "6"
    & skf21("3","7","4","6","5","4","1","1") = "6"
    & skf21("3","7","4","6","5","4","2","1") = "6"
    & skf21("3","7","4","6","5","4","3","1") = "6"
    & skf21("3","7","4","6","5","4","4","1") = "6"
    & skf21("3","7","4","6","5","4","5","1") = "6"
    & skf21("3","7","4","6","5","4","6","1") = "6"
    & skf21("3","7","4","6","5","4","7","1") = "6"
    & skf21("3","7","4","6","5","5","1","1") = "6"
    & skf21("3","7","4","6","5","5","2","1") = "6"
    & skf21("3","7","4","6","5","5","3","1") = "6"
    & skf21("3","7","4","6","5","5","4","1") = "6"
    & skf21("3","7","4","6","5","5","5","1") = "6"
    & skf21("3","7","4","6","5","5","6","1") = "6"
    & skf21("3","7","4","6","5","5","7","1") = "6"
    & skf21("3","7","4","6","5","6","1","1") = "6"
    & skf21("3","7","4","6","5","6","2","1") = "6"
    & skf21("3","7","4","6","5","6","3","1") = "6"
    & skf21("3","7","4","6","5","6","4","1") = "6"
    & skf21("3","7","4","6","5","6","5","1") = "6"
    & skf21("3","7","4","6","5","6","6","1") = "6"
    & skf21("3","7","4","6","5","6","7","1") = "6"
    & skf21("3","7","4","6","5","7","1","1") = "6"
    & skf21("3","7","4","6","5","7","2","1") = "6"
    & skf21("3","7","4","6","5","7","3","1") = "6"
    & skf21("3","7","4","6","5","7","4","1") = "6"
    & skf21("3","7","4","6","5","7","5","1") = "6"
    & skf21("3","7","4","6","5","7","6","1") = "6"
    & skf21("3","7","4","6","5","7","7","1") = "6"
    & skf21("3","7","4","6","6","1","1","1") = "6"
    & skf21("3","7","4","6","6","1","2","1") = "6"
    & skf21("3","7","4","6","6","1","3","1") = "6"
    & skf21("3","7","4","6","6","1","4","1") = "6"
    & skf21("3","7","4","6","6","1","5","1") = "6"
    & skf21("3","7","4","6","6","1","6","1") = "6"
    & skf21("3","7","4","6","6","1","7","1") = "6"
    & skf21("3","7","4","6","6","2","1","1") = "6"
    & skf21("3","7","4","6","6","2","2","1") = "6"
    & skf21("3","7","4","6","6","2","3","1") = "6"
    & skf21("3","7","4","6","6","2","4","1") = "6"
    & skf21("3","7","4","6","6","2","5","1") = "6"
    & skf21("3","7","4","6","6","2","6","1") = "6"
    & skf21("3","7","4","6","6","2","7","1") = "6"
    & skf21("3","7","4","6","6","3","1","1") = "6"
    & skf21("3","7","4","6","6","3","2","1") = "6"
    & skf21("3","7","4","6","6","3","3","1") = "6"
    & skf21("3","7","4","6","6","3","4","1") = "6"
    & skf21("3","7","4","6","6","3","5","1") = "6"
    & skf21("3","7","4","6","6","3","6","1") = "6"
    & skf21("3","7","4","6","6","3","7","1") = "6"
    & skf21("3","7","4","6","6","4","1","1") = "6"
    & skf21("3","7","4","6","6","4","2","1") = "6"
    & skf21("3","7","4","6","6","4","3","1") = "6"
    & skf21("3","7","4","6","6","4","4","1") = "6"
    & skf21("3","7","4","6","6","4","5","1") = "6"
    & skf21("3","7","4","6","6","4","6","1") = "6"
    & skf21("3","7","4","6","6","4","7","1") = "6"
    & skf21("3","7","4","6","6","5","1","1") = "6"
    & skf21("3","7","4","6","6","5","2","1") = "6"
    & skf21("3","7","4","6","6","5","3","1") = "6"
    & skf21("3","7","4","6","6","5","4","1") = "6"
    & skf21("3","7","4","6","6","5","5","1") = "6"
    & skf21("3","7","4","6","6","5","6","1") = "6"
    & skf21("3","7","4","6","6","5","7","1") = "6"
    & skf21("3","7","4","6","6","6","1","1") = "6"
    & skf21("3","7","4","6","6","6","2","1") = "6"
    & skf21("3","7","4","6","6","6","3","1") = "6"
    & skf21("3","7","4","6","6","6","4","1") = "6"
    & skf21("3","7","4","6","6","6","5","1") = "6"
    & skf21("3","7","4","6","6","6","6","1") = "6"
    & skf21("3","7","4","6","6","6","7","1") = "6"
    & skf21("3","7","4","6","6","7","1","1") = "6"
    & skf21("3","7","4","6","6","7","2","1") = "6"
    & skf21("3","7","4","6","6","7","3","1") = "6"
    & skf21("3","7","4","6","6","7","4","1") = "6"
    & skf21("3","7","4","6","6","7","5","1") = "6"
    & skf21("3","7","4","6","6","7","6","1") = "6"
    & skf21("3","7","4","6","6","7","7","1") = "6"
    & skf21("3","7","4","6","7","1","1","1") = "6"
    & skf21("3","7","4","6","7","1","2","1") = "6"
    & skf21("3","7","4","6","7","1","3","1") = "6"
    & skf21("3","7","4","6","7","1","4","1") = "6"
    & skf21("3","7","4","6","7","1","5","1") = "6"
    & skf21("3","7","4","6","7","1","6","1") = "6"
    & skf21("3","7","4","6","7","1","7","1") = "6"
    & skf21("3","7","4","6","7","2","1","1") = "6"
    & skf21("3","7","4","6","7","2","2","1") = "6"
    & skf21("3","7","4","6","7","2","3","1") = "6"
    & skf21("3","7","4","6","7","2","4","1") = "6"
    & skf21("3","7","4","6","7","2","5","1") = "6"
    & skf21("3","7","4","6","7","2","6","1") = "6"
    & skf21("3","7","4","6","7","2","7","1") = "6"
    & skf21("3","7","4","6","7","3","1","1") = "6"
    & skf21("3","7","4","6","7","3","2","1") = "6"
    & skf21("3","7","4","6","7","3","3","1") = "6"
    & skf21("3","7","4","6","7","3","4","1") = "6"
    & skf21("3","7","4","6","7","3","5","1") = "6"
    & skf21("3","7","4","6","7","3","6","1") = "6"
    & skf21("3","7","4","6","7","3","7","1") = "6"
    & skf21("3","7","4","6","7","4","1","1") = "6"
    & skf21("3","7","4","6","7","4","2","1") = "6"
    & skf21("3","7","4","6","7","4","3","1") = "6"
    & skf21("3","7","4","6","7","4","4","1") = "6"
    & skf21("3","7","4","6","7","4","5","1") = "6"
    & skf21("3","7","4","6","7","4","6","1") = "6"
    & skf21("3","7","4","6","7","4","7","1") = "6"
    & skf21("3","7","4","6","7","5","1","1") = "6"
    & skf21("3","7","4","6","7","5","2","1") = "6"
    & skf21("3","7","4","6","7","5","3","1") = "6"
    & skf21("3","7","4","6","7","5","4","1") = "6"
    & skf21("3","7","4","6","7","5","5","1") = "6"
    & skf21("3","7","4","6","7","5","6","1") = "6"
    & skf21("3","7","4","6","7","5","7","1") = "6"
    & skf21("3","7","4","6","7","6","1","1") = "6"
    & skf21("3","7","4","6","7","6","2","1") = "6"
    & skf21("3","7","4","6","7","6","3","1") = "6"
    & skf21("3","7","4","6","7","6","4","1") = "6"
    & skf21("3","7","4","6","7","6","5","1") = "6"
    & skf21("3","7","4","6","7","6","6","1") = "6"
    & skf21("3","7","4","6","7","6","7","1") = "6"
    & skf21("3","7","4","6","7","7","1","1") = "6"
    & skf21("3","7","4","6","7","7","2","1") = "6"
    & skf21("3","7","4","6","7","7","3","1") = "6"
    & skf21("3","7","4","6","7","7","4","1") = "6"
    & skf21("3","7","4","6","7","7","5","1") = "6"
    & skf21("3","7","4","6","7","7","6","1") = "6"
    & skf21("3","7","4","6","7","7","7","1") = "6"
    & skf21("3","7","4","7","1","1","1","1") = "6"
    & skf21("3","7","4","7","1","1","2","1") = "6"
    & skf21("3","7","4","7","1","1","3","1") = "6"
    & skf21("3","7","4","7","1","1","4","1") = "6"
    & skf21("3","7","4","7","1","1","5","1") = "6"
    & skf21("3","7","4","7","1","1","6","1") = "6"
    & skf21("3","7","4","7","1","1","7","1") = "6"
    & skf21("3","7","4","7","1","2","1","1") = "6"
    & skf21("3","7","4","7","1","2","2","1") = "6"
    & skf21("3","7","4","7","1","2","3","1") = "6"
    & skf21("3","7","4","7","1","2","4","1") = "6"
    & skf21("3","7","4","7","1","2","5","1") = "6"
    & skf21("3","7","4","7","1","2","6","1") = "6"
    & skf21("3","7","4","7","1","2","7","1") = "6"
    & skf21("3","7","4","7","1","3","1","1") = "6"
    & skf21("3","7","4","7","1","3","2","1") = "6"
    & skf21("3","7","4","7","1","3","3","1") = "6"
    & skf21("3","7","4","7","1","3","4","1") = "6"
    & skf21("3","7","4","7","1","3","5","1") = "6"
    & skf21("3","7","4","7","1","3","6","1") = "6"
    & skf21("3","7","4","7","1","3","7","1") = "6"
    & skf21("3","7","4","7","1","4","1","1") = "6"
    & skf21("3","7","4","7","1","4","2","1") = "6"
    & skf21("3","7","4","7","1","4","3","1") = "6"
    & skf21("3","7","4","7","1","4","4","1") = "6"
    & skf21("3","7","4","7","1","4","5","1") = "6"
    & skf21("3","7","4","7","1","4","6","1") = "6"
    & skf21("3","7","4","7","1","4","7","1") = "6"
    & skf21("3","7","4","7","1","5","1","1") = "6"
    & skf21("3","7","4","7","1","5","2","1") = "6"
    & skf21("3","7","4","7","1","5","3","1") = "6"
    & skf21("3","7","4","7","1","5","4","1") = "6"
    & skf21("3","7","4","7","1","5","5","1") = "6"
    & skf21("3","7","4","7","1","5","6","1") = "6"
    & skf21("3","7","4","7","1","5","7","1") = "6"
    & skf21("3","7","4","7","1","6","1","1") = "6"
    & skf21("3","7","4","7","1","6","2","1") = "6"
    & skf21("3","7","4","7","1","6","3","1") = "6"
    & skf21("3","7","4","7","1","6","4","1") = "6"
    & skf21("3","7","4","7","1","6","5","1") = "6"
    & skf21("3","7","4","7","1","6","6","1") = "6"
    & skf21("3","7","4","7","1","6","7","1") = "6"
    & skf21("3","7","4","7","1","7","1","1") = "6"
    & skf21("3","7","4","7","1","7","2","1") = "6"
    & skf21("3","7","4","7","1","7","3","1") = "6"
    & skf21("3","7","4","7","1","7","4","1") = "6"
    & skf21("3","7","4","7","1","7","5","1") = "6"
    & skf21("3","7","4","7","1","7","6","1") = "6"
    & skf21("3","7","4","7","1","7","7","1") = "6"
    & skf21("3","7","4","7","2","1","1","1") = "6"
    & skf21("3","7","4","7","2","1","2","1") = "6"
    & skf21("3","7","4","7","2","1","3","1") = "6"
    & skf21("3","7","4","7","2","1","4","1") = "6"
    & skf21("3","7","4","7","2","1","5","1") = "6"
    & skf21("3","7","4","7","2","1","6","1") = "6"
    & skf21("3","7","4","7","2","1","7","1") = "6"
    & skf21("3","7","4","7","2","2","1","1") = "6"
    & skf21("3","7","4","7","2","2","2","1") = "6"
    & skf21("3","7","4","7","2","2","3","1") = "6"
    & skf21("3","7","4","7","2","2","4","1") = "6"
    & skf21("3","7","4","7","2","2","5","1") = "6"
    & skf21("3","7","4","7","2","2","6","1") = "6"
    & skf21("3","7","4","7","2","2","7","1") = "6"
    & skf21("3","7","4","7","2","3","1","1") = "6"
    & skf21("3","7","4","7","2","3","2","1") = "6"
    & skf21("3","7","4","7","2","3","3","1") = "6"
    & skf21("3","7","4","7","2","3","4","1") = "6"
    & skf21("3","7","4","7","2","3","5","1") = "6"
    & skf21("3","7","4","7","2","3","6","1") = "6"
    & skf21("3","7","4","7","2","3","7","1") = "6"
    & skf21("3","7","4","7","2","4","1","1") = "6"
    & skf21("3","7","4","7","2","4","2","1") = "6"
    & skf21("3","7","4","7","2","4","3","1") = "6"
    & skf21("3","7","4","7","2","4","4","1") = "6"
    & skf21("3","7","4","7","2","4","5","1") = "6"
    & skf21("3","7","4","7","2","4","6","1") = "6"
    & skf21("3","7","4","7","2","4","7","1") = "6"
    & skf21("3","7","4","7","2","5","1","1") = "6"
    & skf21("3","7","4","7","2","5","2","1") = "6"
    & skf21("3","7","4","7","2","5","3","1") = "6"
    & skf21("3","7","4","7","2","5","4","1") = "6"
    & skf21("3","7","4","7","2","5","5","1") = "6"
    & skf21("3","7","4","7","2","5","6","1") = "6"
    & skf21("3","7","4","7","2","5","7","1") = "6"
    & skf21("3","7","4","7","2","6","1","1") = "6"
    & skf21("3","7","4","7","2","6","2","1") = "6"
    & skf21("3","7","4","7","2","6","3","1") = "6"
    & skf21("3","7","4","7","2","6","4","1") = "6"
    & skf21("3","7","4","7","2","6","5","1") = "6"
    & skf21("3","7","4","7","2","6","6","1") = "6"
    & skf21("3","7","4","7","2","6","7","1") = "6"
    & skf21("3","7","4","7","2","7","1","1") = "6"
    & skf21("3","7","4","7","2","7","2","1") = "6"
    & skf21("3","7","4","7","2","7","3","1") = "6"
    & skf21("3","7","4","7","2","7","4","1") = "6"
    & skf21("3","7","4","7","2","7","5","1") = "6"
    & skf21("3","7","4","7","2","7","6","1") = "6"
    & skf21("3","7","4","7","2","7","7","1") = "6"
    & skf21("3","7","4","7","3","1","1","1") = "6"
    & skf21("3","7","4","7","3","1","2","1") = "6"
    & skf21("3","7","4","7","3","1","3","1") = "6"
    & skf21("3","7","4","7","3","1","4","1") = "6"
    & skf21("3","7","4","7","3","1","5","1") = "6"
    & skf21("3","7","4","7","3","1","6","1") = "6"
    & skf21("3","7","4","7","3","1","7","1") = "6"
    & skf21("3","7","4","7","3","2","1","1") = "6"
    & skf21("3","7","4","7","3","2","2","1") = "6"
    & skf21("3","7","4","7","3","2","3","1") = "6"
    & skf21("3","7","4","7","3","2","4","1") = "6"
    & skf21("3","7","4","7","3","2","5","1") = "6"
    & skf21("3","7","4","7","3","2","6","1") = "6"
    & skf21("3","7","4","7","3","2","7","1") = "6"
    & skf21("3","7","4","7","3","3","1","1") = "6"
    & skf21("3","7","4","7","3","3","2","1") = "6"
    & skf21("3","7","4","7","3","3","3","1") = "6"
    & skf21("3","7","4","7","3","3","4","1") = "6"
    & skf21("3","7","4","7","3","3","5","1") = "6"
    & skf21("3","7","4","7","3","3","6","1") = "6"
    & skf21("3","7","4","7","3","3","7","1") = "6"
    & skf21("3","7","4","7","3","4","1","1") = "6"
    & skf21("3","7","4","7","3","4","2","1") = "6"
    & skf21("3","7","4","7","3","4","3","1") = "6"
    & skf21("3","7","4","7","3","4","4","1") = "6"
    & skf21("3","7","4","7","3","4","5","1") = "6"
    & skf21("3","7","4","7","3","4","6","1") = "6"
    & skf21("3","7","4","7","3","4","7","1") = "6"
    & skf21("3","7","4","7","3","5","1","1") = "6"
    & skf21("3","7","4","7","3","5","2","1") = "6"
    & skf21("3","7","4","7","3","5","3","1") = "6"
    & skf21("3","7","4","7","3","5","4","1") = "6"
    & skf21("3","7","4","7","3","5","5","1") = "6"
    & skf21("3","7","4","7","3","5","6","1") = "6"
    & skf21("3","7","4","7","3","5","7","1") = "6"
    & skf21("3","7","4","7","3","6","1","1") = "6"
    & skf21("3","7","4","7","3","6","2","1") = "6"
    & skf21("3","7","4","7","3","6","3","1") = "6"
    & skf21("3","7","4","7","3","6","4","1") = "6"
    & skf21("3","7","4","7","3","6","5","1") = "6"
    & skf21("3","7","4","7","3","6","6","1") = "6"
    & skf21("3","7","4","7","3","6","7","1") = "6"
    & skf21("3","7","4","7","3","7","1","1") = "6"
    & skf21("3","7","4","7","3","7","2","1") = "6"
    & skf21("3","7","4","7","3","7","3","1") = "6"
    & skf21("3","7","4","7","3","7","4","1") = "6"
    & skf21("3","7","4","7","3","7","5","1") = "6"
    & skf21("3","7","4","7","3","7","6","1") = "6"
    & skf21("3","7","4","7","3","7","7","1") = "6"
    & skf21("3","7","4","7","4","1","1","1") = "6"
    & skf21("3","7","4","7","4","1","2","1") = "6"
    & skf21("3","7","4","7","4","1","3","1") = "6"
    & skf21("3","7","4","7","4","1","4","1") = "6"
    & skf21("3","7","4","7","4","1","5","1") = "6"
    & skf21("3","7","4","7","4","1","6","1") = "6"
    & skf21("3","7","4","7","4","1","7","1") = "6"
    & skf21("3","7","4","7","4","2","1","1") = "6"
    & skf21("3","7","4","7","4","2","2","1") = "6"
    & skf21("3","7","4","7","4","2","3","1") = "6"
    & skf21("3","7","4","7","4","2","4","1") = "6"
    & skf21("3","7","4","7","4","2","5","1") = "6"
    & skf21("3","7","4","7","4","2","6","1") = "6"
    & skf21("3","7","4","7","4","2","7","1") = "6"
    & skf21("3","7","4","7","4","3","1","1") = "6"
    & skf21("3","7","4","7","4","3","2","1") = "6"
    & skf21("3","7","4","7","4","3","3","1") = "6"
    & skf21("3","7","4","7","4","3","4","1") = "6"
    & skf21("3","7","4","7","4","3","5","1") = "6"
    & skf21("3","7","4","7","4","3","6","1") = "6"
    & skf21("3","7","4","7","4","3","7","1") = "6"
    & skf21("3","7","4","7","4","4","1","1") = "6"
    & skf21("3","7","4","7","4","4","2","1") = "6"
    & skf21("3","7","4","7","4","4","3","1") = "6"
    & skf21("3","7","4","7","4","4","4","1") = "6"
    & skf21("3","7","4","7","4","4","5","1") = "6"
    & skf21("3","7","4","7","4","4","6","1") = "6"
    & skf21("3","7","4","7","4","4","7","1") = "6"
    & skf21("3","7","4","7","4","5","1","1") = "6"
    & skf21("3","7","4","7","4","5","2","1") = "6"
    & skf21("3","7","4","7","4","5","3","1") = "6"
    & skf21("3","7","4","7","4","5","4","1") = "6"
    & skf21("3","7","4","7","4","5","5","1") = "6"
    & skf21("3","7","4","7","4","5","6","1") = "6"
    & skf21("3","7","4","7","4","5","7","1") = "6"
    & skf21("3","7","4","7","4","6","1","1") = "6"
    & skf21("3","7","4","7","4","6","2","1") = "6"
    & skf21("3","7","4","7","4","6","3","1") = "6"
    & skf21("3","7","4","7","4","6","4","1") = "6"
    & skf21("3","7","4","7","4","6","5","1") = "6"
    & skf21("3","7","4","7","4","6","6","1") = "6"
    & skf21("3","7","4","7","4","6","7","1") = "6"
    & skf21("3","7","4","7","4","7","1","1") = "6"
    & skf21("3","7","4","7","4","7","2","1") = "6"
    & skf21("3","7","4","7","4","7","3","1") = "6"
    & skf21("3","7","4","7","4","7","4","1") = "6"
    & skf21("3","7","4","7","4","7","5","1") = "6"
    & skf21("3","7","4","7","4","7","6","1") = "6"
    & skf21("3","7","4","7","4","7","7","1") = "6"
    & skf21("3","7","4","7","5","1","1","1") = "6"
    & skf21("3","7","4","7","5","1","2","1") = "6"
    & skf21("3","7","4","7","5","1","3","1") = "6"
    & skf21("3","7","4","7","5","1","4","1") = "6"
    & skf21("3","7","4","7","5","1","5","1") = "6"
    & skf21("3","7","4","7","5","1","6","1") = "6"
    & skf21("3","7","4","7","5","1","7","1") = "6"
    & skf21("3","7","4","7","5","2","1","1") = "6"
    & skf21("3","7","4","7","5","2","2","1") = "6"
    & skf21("3","7","4","7","5","2","3","1") = "6"
    & skf21("3","7","4","7","5","2","4","1") = "6"
    & skf21("3","7","4","7","5","2","5","1") = "6"
    & skf21("3","7","4","7","5","2","6","1") = "6"
    & skf21("3","7","4","7","5","2","7","1") = "6"
    & skf21("3","7","4","7","5","3","1","1") = "6"
    & skf21("3","7","4","7","5","3","2","1") = "6"
    & skf21("3","7","4","7","5","3","3","1") = "6"
    & skf21("3","7","4","7","5","3","4","1") = "6"
    & skf21("3","7","4","7","5","3","5","1") = "6"
    & skf21("3","7","4","7","5","3","6","1") = "6"
    & skf21("3","7","4","7","5","3","7","1") = "6"
    & skf21("3","7","4","7","5","4","1","1") = "6"
    & skf21("3","7","4","7","5","4","2","1") = "6"
    & skf21("3","7","4","7","5","4","3","1") = "6"
    & skf21("3","7","4","7","5","4","4","1") = "6"
    & skf21("3","7","4","7","5","4","5","1") = "6"
    & skf21("3","7","4","7","5","4","6","1") = "6"
    & skf21("3","7","4","7","5","4","7","1") = "6"
    & skf21("3","7","4","7","5","5","1","1") = "6"
    & skf21("3","7","4","7","5","5","2","1") = "6"
    & skf21("3","7","4","7","5","5","3","1") = "6"
    & skf21("3","7","4","7","5","5","4","1") = "6"
    & skf21("3","7","4","7","5","5","5","1") = "6"
    & skf21("3","7","4","7","5","5","6","1") = "6"
    & skf21("3","7","4","7","5","5","7","1") = "6"
    & skf21("3","7","4","7","5","6","1","1") = "6"
    & skf21("3","7","4","7","5","6","2","1") = "6"
    & skf21("3","7","4","7","5","6","3","1") = "6"
    & skf21("3","7","4","7","5","6","4","1") = "6"
    & skf21("3","7","4","7","5","6","5","1") = "6"
    & skf21("3","7","4","7","5","6","6","1") = "6"
    & skf21("3","7","4","7","5","6","7","1") = "6"
    & skf21("3","7","4","7","5","7","1","1") = "6"
    & skf21("3","7","4","7","5","7","2","1") = "6"
    & skf21("3","7","4","7","5","7","3","1") = "6"
    & skf21("3","7","4","7","5","7","4","1") = "6"
    & skf21("3","7","4","7","5","7","5","1") = "6"
    & skf21("3","7","4","7","5","7","6","1") = "6"
    & skf21("3","7","4","7","5","7","7","1") = "6"
    & skf21("3","7","4","7","6","1","1","1") = "6"
    & skf21("3","7","4","7","6","1","2","1") = "6"
    & skf21("3","7","4","7","6","1","3","1") = "6"
    & skf21("3","7","4","7","6","1","4","1") = "6"
    & skf21("3","7","4","7","6","1","5","1") = "6"
    & skf21("3","7","4","7","6","1","6","1") = "6"
    & skf21("3","7","4","7","6","1","7","1") = "6"
    & skf21("3","7","4","7","6","2","1","1") = "6"
    & skf21("3","7","4","7","6","2","2","1") = "6"
    & skf21("3","7","4","7","6","2","3","1") = "6"
    & skf21("3","7","4","7","6","2","4","1") = "6"
    & skf21("3","7","4","7","6","2","5","1") = "6"
    & skf21("3","7","4","7","6","2","6","1") = "6"
    & skf21("3","7","4","7","6","2","7","1") = "6"
    & skf21("3","7","4","7","6","3","1","1") = "6"
    & skf21("3","7","4","7","6","3","2","1") = "6"
    & skf21("3","7","4","7","6","3","3","1") = "6"
    & skf21("3","7","4","7","6","3","4","1") = "6"
    & skf21("3","7","4","7","6","3","5","1") = "6"
    & skf21("3","7","4","7","6","3","6","1") = "6"
    & skf21("3","7","4","7","6","3","7","1") = "6"
    & skf21("3","7","4","7","6","4","1","1") = "6"
    & skf21("3","7","4","7","6","4","2","1") = "6"
    & skf21("3","7","4","7","6","4","3","1") = "6"
    & skf21("3","7","4","7","6","4","4","1") = "6"
    & skf21("3","7","4","7","6","4","5","1") = "6"
    & skf21("3","7","4","7","6","4","6","1") = "6"
    & skf21("3","7","4","7","6","4","7","1") = "6"
    & skf21("3","7","4","7","6","5","1","1") = "6"
    & skf21("3","7","4","7","6","5","2","1") = "6"
    & skf21("3","7","4","7","6","5","3","1") = "6"
    & skf21("3","7","4","7","6","5","4","1") = "6"
    & skf21("3","7","4","7","6","5","5","1") = "6"
    & skf21("3","7","4","7","6","5","6","1") = "6"
    & skf21("3","7","4","7","6","5","7","1") = "6"
    & skf21("3","7","4","7","6","6","1","1") = "6"
    & skf21("3","7","4","7","6","6","2","1") = "6"
    & skf21("3","7","4","7","6","6","3","1") = "6"
    & skf21("3","7","4","7","6","6","4","1") = "6"
    & skf21("3","7","4","7","6","6","5","1") = "6"
    & skf21("3","7","4","7","6","6","6","1") = "6"
    & skf21("3","7","4","7","6","6","7","1") = "6"
    & skf21("3","7","4","7","6","7","1","1") = "6"
    & skf21("3","7","4","7","6","7","2","1") = "6"
    & skf21("3","7","4","7","6","7","3","1") = "6"
    & skf21("3","7","4","7","6","7","4","1") = "6"
    & skf21("3","7","4","7","6","7","5","1") = "6"
    & skf21("3","7","4","7","6","7","6","1") = "6"
    & skf21("3","7","4","7","6","7","7","1") = "6"
    & skf21("3","7","4","7","7","1","1","1") = "6"
    & skf21("3","7","4","7","7","1","2","1") = "6"
    & skf21("3","7","4","7","7","1","3","1") = "6"
    & skf21("3","7","4","7","7","1","4","1") = "6"
    & skf21("3","7","4","7","7","1","5","1") = "6"
    & skf21("3","7","4","7","7","1","6","1") = "6"
    & skf21("3","7","4","7","7","1","7","1") = "6"
    & skf21("3","7","4","7","7","2","1","1") = "6"
    & skf21("3","7","4","7","7","2","2","1") = "6"
    & skf21("3","7","4","7","7","2","3","1") = "6"
    & skf21("3","7","4","7","7","2","4","1") = "6"
    & skf21("3","7","4","7","7","2","5","1") = "6"
    & skf21("3","7","4","7","7","2","6","1") = "6"
    & skf21("3","7","4","7","7","2","7","1") = "6"
    & skf21("3","7","4","7","7","3","1","1") = "6"
    & skf21("3","7","4","7","7","3","2","1") = "6"
    & skf21("3","7","4","7","7","3","3","1") = "6"
    & skf21("3","7","4","7","7","3","4","1") = "6"
    & skf21("3","7","4","7","7","3","5","1") = "6"
    & skf21("3","7","4","7","7","3","6","1") = "6"
    & skf21("3","7","4","7","7","3","7","1") = "6"
    & skf21("3","7","4","7","7","4","1","1") = "6"
    & skf21("3","7","4","7","7","4","2","1") = "6"
    & skf21("3","7","4","7","7","4","3","1") = "6"
    & skf21("3","7","4","7","7","4","4","1") = "6"
    & skf21("3","7","4","7","7","4","5","1") = "6"
    & skf21("3","7","4","7","7","4","6","1") = "6"
    & skf21("3","7","4","7","7","4","7","1") = "6"
    & skf21("3","7","4","7","7","5","1","1") = "6"
    & skf21("3","7","4","7","7","5","2","1") = "6"
    & skf21("3","7","4","7","7","5","3","1") = "6"
    & skf21("3","7","4","7","7","5","4","1") = "6"
    & skf21("3","7","4","7","7","5","5","1") = "6"
    & skf21("3","7","4","7","7","5","6","1") = "6"
    & skf21("3","7","4","7","7","5","7","1") = "6"
    & skf21("3","7","4","7","7","6","1","1") = "6"
    & skf21("3","7","4","7","7","6","2","1") = "6"
    & skf21("3","7","4","7","7","6","3","1") = "6"
    & skf21("3","7","4","7","7","6","4","1") = "6"
    & skf21("3","7","4","7","7","6","5","1") = "6"
    & skf21("3","7","4","7","7","6","6","1") = "6"
    & skf21("3","7","4","7","7","6","7","1") = "6"
    & skf21("3","7","4","7","7","7","1","1") = "6"
    & skf21("3","7","4","7","7","7","2","1") = "6"
    & skf21("3","7","4","7","7","7","3","1") = "6"
    & skf21("3","7","4","7","7","7","4","1") = "6"
    & skf21("3","7","4","7","7","7","5","1") = "6"
    & skf21("3","7","4","7","7","7","6","1") = "6"
    & skf21("3","7","4","7","7","7","7","1") = "6"
    & skf21("3","7","5","1","1","1","1","1") = "6"
    & skf21("3","7","5","1","1","1","2","1") = "6"
    & skf21("3","7","5","1","1","1","3","1") = "6"
    & skf21("3","7","5","1","1","1","4","1") = "6"
    & skf21("3","7","5","1","1","1","5","1") = "6"
    & skf21("3","7","5","1","1","1","6","1") = "6"
    & skf21("3","7","5","1","1","1","7","1") = "6"
    & skf21("3","7","5","1","1","2","1","1") = "6"
    & skf21("3","7","5","1","1","2","2","1") = "6"
    & skf21("3","7","5","1","1","2","3","1") = "6"
    & skf21("3","7","5","1","1","2","4","1") = "6"
    & skf21("3","7","5","1","1","2","5","1") = "6"
    & skf21("3","7","5","1","1","2","6","1") = "6"
    & skf21("3","7","5","1","1","2","7","1") = "6"
    & skf21("3","7","5","1","1","3","1","1") = "6"
    & skf21("3","7","5","1","1","3","2","1") = "6"
    & skf21("3","7","5","1","1","3","3","1") = "6"
    & skf21("3","7","5","1","1","3","4","1") = "6"
    & skf21("3","7","5","1","1","3","5","1") = "6"
    & skf21("3","7","5","1","1","3","6","1") = "6"
    & skf21("3","7","5","1","1","3","7","1") = "6"
    & skf21("3","7","5","1","1","4","1","1") = "6"
    & skf21("3","7","5","1","1","4","2","1") = "6"
    & skf21("3","7","5","1","1","4","3","1") = "6"
    & skf21("3","7","5","1","1","4","4","1") = "6"
    & skf21("3","7","5","1","1","4","5","1") = "6"
    & skf21("3","7","5","1","1","4","6","1") = "6"
    & skf21("3","7","5","1","1","4","7","1") = "6"
    & skf21("3","7","5","1","1","5","1","1") = "6"
    & skf21("3","7","5","1","1","5","2","1") = "6"
    & skf21("3","7","5","1","1","5","3","1") = "6"
    & skf21("3","7","5","1","1","5","4","1") = "6"
    & skf21("3","7","5","1","1","5","5","1") = "6"
    & skf21("3","7","5","1","1","5","6","1") = "6"
    & skf21("3","7","5","1","1","5","7","1") = "6"
    & skf21("3","7","5","1","1","6","1","1") = "6"
    & skf21("3","7","5","1","1","6","2","1") = "6"
    & skf21("3","7","5","1","1","6","3","1") = "6"
    & skf21("3","7","5","1","1","6","4","1") = "6"
    & skf21("3","7","5","1","1","6","5","1") = "6"
    & skf21("3","7","5","1","1","6","6","1") = "6"
    & skf21("3","7","5","1","1","6","7","1") = "6"
    & skf21("3","7","5","1","1","7","1","1") = "6"
    & skf21("3","7","5","1","1","7","2","1") = "6"
    & skf21("3","7","5","1","1","7","3","1") = "6"
    & skf21("3","7","5","1","1","7","4","1") = "6"
    & skf21("3","7","5","1","1","7","5","1") = "6"
    & skf21("3","7","5","1","1","7","6","1") = "6"
    & skf21("3","7","5","1","1","7","7","1") = "6"
    & skf21("3","7","5","1","2","1","1","1") = "6"
    & skf21("3","7","5","1","2","1","2","1") = "6"
    & skf21("3","7","5","1","2","1","3","1") = "6"
    & skf21("3","7","5","1","2","1","4","1") = "6"
    & skf21("3","7","5","1","2","1","5","1") = "6"
    & skf21("3","7","5","1","2","1","6","1") = "6"
    & skf21("3","7","5","1","2","1","7","1") = "6"
    & skf21("3","7","5","1","2","2","1","1") = "6"
    & skf21("3","7","5","1","2","2","2","1") = "6"
    & skf21("3","7","5","1","2","2","3","1") = "6"
    & skf21("3","7","5","1","2","2","4","1") = "6"
    & skf21("3","7","5","1","2","2","5","1") = "6"
    & skf21("3","7","5","1","2","2","6","1") = "6"
    & skf21("3","7","5","1","2","2","7","1") = "6"
    & skf21("3","7","5","1","2","3","1","1") = "6"
    & skf21("3","7","5","1","2","3","2","1") = "6"
    & skf21("3","7","5","1","2","3","3","1") = "6"
    & skf21("3","7","5","1","2","3","4","1") = "6"
    & skf21("3","7","5","1","2","3","5","1") = "6"
    & skf21("3","7","5","1","2","3","6","1") = "6"
    & skf21("3","7","5","1","2","3","7","1") = "6"
    & skf21("3","7","5","1","2","4","1","1") = "6"
    & skf21("3","7","5","1","2","4","2","1") = "6"
    & skf21("3","7","5","1","2","4","3","1") = "6"
    & skf21("3","7","5","1","2","4","4","1") = "6"
    & skf21("3","7","5","1","2","4","5","1") = "6"
    & skf21("3","7","5","1","2","4","6","1") = "6"
    & skf21("3","7","5","1","2","4","7","1") = "6"
    & skf21("3","7","5","1","2","5","1","1") = "6"
    & skf21("3","7","5","1","2","5","2","1") = "6"
    & skf21("3","7","5","1","2","5","3","1") = "6"
    & skf21("3","7","5","1","2","5","4","1") = "6"
    & skf21("3","7","5","1","2","5","5","1") = "6"
    & skf21("3","7","5","1","2","5","6","1") = "6"
    & skf21("3","7","5","1","2","5","7","1") = "6"
    & skf21("3","7","5","1","2","6","1","1") = "6"
    & skf21("3","7","5","1","2","6","2","1") = "6"
    & skf21("3","7","5","1","2","6","3","1") = "6"
    & skf21("3","7","5","1","2","6","4","1") = "6"
    & skf21("3","7","5","1","2","6","5","1") = "6"
    & skf21("3","7","5","1","2","6","6","1") = "6"
    & skf21("3","7","5","1","2","6","7","1") = "6"
    & skf21("3","7","5","1","2","7","1","1") = "6"
    & skf21("3","7","5","1","2","7","2","1") = "6"
    & skf21("3","7","5","1","2","7","3","1") = "6"
    & skf21("3","7","5","1","2","7","4","1") = "6"
    & skf21("3","7","5","1","2","7","5","1") = "6"
    & skf21("3","7","5","1","2","7","6","1") = "6"
    & skf21("3","7","5","1","2","7","7","1") = "6"
    & skf21("3","7","5","1","3","1","1","1") = "6"
    & skf21("3","7","5","1","3","1","2","1") = "6"
    & skf21("3","7","5","1","3","1","3","1") = "6"
    & skf21("3","7","5","1","3","1","4","1") = "6"
    & skf21("3","7","5","1","3","1","5","1") = "6"
    & skf21("3","7","5","1","3","1","6","1") = "6"
    & skf21("3","7","5","1","3","1","7","1") = "6"
    & skf21("3","7","5","1","3","2","1","1") = "6"
    & skf21("3","7","5","1","3","2","2","1") = "6"
    & skf21("3","7","5","1","3","2","3","1") = "6"
    & skf21("3","7","5","1","3","2","4","1") = "6"
    & skf21("3","7","5","1","3","2","5","1") = "6"
    & skf21("3","7","5","1","3","2","6","1") = "6"
    & skf21("3","7","5","1","3","2","7","1") = "6"
    & skf21("3","7","5","1","3","3","1","1") = "6"
    & skf21("3","7","5","1","3","3","2","1") = "6"
    & skf21("3","7","5","1","3","3","3","1") = "6"
    & skf21("3","7","5","1","3","3","4","1") = "6"
    & skf21("3","7","5","1","3","3","5","1") = "6"
    & skf21("3","7","5","1","3","3","6","1") = "6"
    & skf21("3","7","5","1","3","3","7","1") = "6"
    & skf21("3","7","5","1","3","4","1","1") = "6"
    & skf21("3","7","5","1","3","4","2","1") = "6"
    & skf21("3","7","5","1","3","4","3","1") = "6"
    & skf21("3","7","5","1","3","4","4","1") = "6"
    & skf21("3","7","5","1","3","4","5","1") = "6"
    & skf21("3","7","5","1","3","4","6","1") = "6"
    & skf21("3","7","5","1","3","4","7","1") = "6"
    & skf21("3","7","5","1","3","5","1","1") = "6"
    & skf21("3","7","5","1","3","5","2","1") = "6"
    & skf21("3","7","5","1","3","5","3","1") = "6"
    & skf21("3","7","5","1","3","5","4","1") = "6"
    & skf21("3","7","5","1","3","5","5","1") = "6"
    & skf21("3","7","5","1","3","5","6","1") = "6"
    & skf21("3","7","5","1","3","5","7","1") = "6"
    & skf21("3","7","5","1","3","6","1","1") = "6"
    & skf21("3","7","5","1","3","6","2","1") = "6"
    & skf21("3","7","5","1","3","6","3","1") = "6"
    & skf21("3","7","5","1","3","6","4","1") = "6"
    & skf21("3","7","5","1","3","6","5","1") = "6"
    & skf21("3","7","5","1","3","6","6","1") = "6"
    & skf21("3","7","5","1","3","6","7","1") = "6"
    & skf21("3","7","5","1","3","7","1","1") = "6"
    & skf21("3","7","5","1","3","7","2","1") = "6"
    & skf21("3","7","5","1","3","7","3","1") = "6"
    & skf21("3","7","5","1","3","7","4","1") = "6"
    & skf21("3","7","5","1","3","7","5","1") = "6"
    & skf21("3","7","5","1","3","7","6","1") = "6"
    & skf21("3","7","5","1","3","7","7","1") = "6"
    & skf21("3","7","5","1","4","1","1","1") = "6"
    & skf21("3","7","5","1","4","1","2","1") = "6"
    & skf21("3","7","5","1","4","1","3","1") = "6"
    & skf21("3","7","5","1","4","1","4","1") = "6"
    & skf21("3","7","5","1","4","1","5","1") = "6"
    & skf21("3","7","5","1","4","1","6","1") = "6"
    & skf21("3","7","5","1","4","1","7","1") = "6"
    & skf21("3","7","5","1","4","2","1","1") = "6"
    & skf21("3","7","5","1","4","2","2","1") = "6"
    & skf21("3","7","5","1","4","2","3","1") = "6"
    & skf21("3","7","5","1","4","2","4","1") = "6"
    & skf21("3","7","5","1","4","2","5","1") = "6"
    & skf21("3","7","5","1","4","2","6","1") = "6"
    & skf21("3","7","5","1","4","2","7","1") = "6"
    & skf21("3","7","5","1","4","3","1","1") = "6"
    & skf21("3","7","5","1","4","3","2","1") = "6"
    & skf21("3","7","5","1","4","3","3","1") = "6"
    & skf21("3","7","5","1","4","3","4","1") = "6"
    & skf21("3","7","5","1","4","3","5","1") = "6"
    & skf21("3","7","5","1","4","3","6","1") = "6"
    & skf21("3","7","5","1","4","3","7","1") = "6"
    & skf21("3","7","5","1","4","4","1","1") = "6"
    & skf21("3","7","5","1","4","4","2","1") = "6"
    & skf21("3","7","5","1","4","4","3","1") = "6"
    & skf21("3","7","5","1","4","4","4","1") = "6"
    & skf21("3","7","5","1","4","4","5","1") = "6"
    & skf21("3","7","5","1","4","4","6","1") = "6"
    & skf21("3","7","5","1","4","4","7","1") = "6"
    & skf21("3","7","5","1","4","5","1","1") = "6"
    & skf21("3","7","5","1","4","5","2","1") = "6"
    & skf21("3","7","5","1","4","5","3","1") = "6"
    & skf21("3","7","5","1","4","5","4","1") = "6"
    & skf21("3","7","5","1","4","5","5","1") = "6"
    & skf21("3","7","5","1","4","5","6","1") = "6"
    & skf21("3","7","5","1","4","5","7","1") = "6"
    & skf21("3","7","5","1","4","6","1","1") = "6"
    & skf21("3","7","5","1","4","6","2","1") = "6"
    & skf21("3","7","5","1","4","6","3","1") = "6"
    & skf21("3","7","5","1","4","6","4","1") = "6"
    & skf21("3","7","5","1","4","6","5","1") = "6"
    & skf21("3","7","5","1","4","6","6","1") = "6"
    & skf21("3","7","5","1","4","6","7","1") = "6"
    & skf21("3","7","5","1","4","7","1","1") = "6"
    & skf21("3","7","5","1","4","7","2","1") = "6"
    & skf21("3","7","5","1","4","7","3","1") = "6"
    & skf21("3","7","5","1","4","7","4","1") = "6"
    & skf21("3","7","5","1","4","7","5","1") = "6"
    & skf21("3","7","5","1","4","7","6","1") = "6"
    & skf21("3","7","5","1","4","7","7","1") = "6"
    & skf21("3","7","5","1","5","1","1","1") = "6"
    & skf21("3","7","5","1","5","1","2","1") = "6"
    & skf21("3","7","5","1","5","1","3","1") = "6"
    & skf21("3","7","5","1","5","1","4","1") = "6"
    & skf21("3","7","5","1","5","1","5","1") = "6"
    & skf21("3","7","5","1","5","1","6","1") = "6"
    & skf21("3","7","5","1","5","1","7","1") = "6"
    & skf21("3","7","5","1","5","2","1","1") = "6"
    & skf21("3","7","5","1","5","2","2","1") = "6"
    & skf21("3","7","5","1","5","2","3","1") = "6"
    & skf21("3","7","5","1","5","2","4","1") = "6"
    & skf21("3","7","5","1","5","2","5","1") = "6"
    & skf21("3","7","5","1","5","2","6","1") = "6"
    & skf21("3","7","5","1","5","2","7","1") = "6"
    & skf21("3","7","5","1","5","3","1","1") = "6"
    & skf21("3","7","5","1","5","3","2","1") = "6"
    & skf21("3","7","5","1","5","3","3","1") = "6"
    & skf21("3","7","5","1","5","3","4","1") = "6"
    & skf21("3","7","5","1","5","3","5","1") = "6"
    & skf21("3","7","5","1","5","3","6","1") = "6"
    & skf21("3","7","5","1","5","3","7","1") = "6"
    & skf21("3","7","5","1","5","4","1","1") = "6"
    & skf21("3","7","5","1","5","4","2","1") = "6"
    & skf21("3","7","5","1","5","4","3","1") = "6"
    & skf21("3","7","5","1","5","4","4","1") = "6"
    & skf21("3","7","5","1","5","4","5","1") = "6"
    & skf21("3","7","5","1","5","4","6","1") = "6"
    & skf21("3","7","5","1","5","4","7","1") = "6"
    & skf21("3","7","5","1","5","5","1","1") = "6"
    & skf21("3","7","5","1","5","5","2","1") = "6"
    & skf21("3","7","5","1","5","5","3","1") = "6"
    & skf21("3","7","5","1","5","5","4","1") = "6"
    & skf21("3","7","5","1","5","5","5","1") = "6"
    & skf21("3","7","5","1","5","5","6","1") = "6"
    & skf21("3","7","5","1","5","5","7","1") = "6"
    & skf21("3","7","5","1","5","6","1","1") = "6"
    & skf21("3","7","5","1","5","6","2","1") = "6"
    & skf21("3","7","5","1","5","6","3","1") = "6"
    & skf21("3","7","5","1","5","6","4","1") = "6"
    & skf21("3","7","5","1","5","6","5","1") = "6"
    & skf21("3","7","5","1","5","6","6","1") = "6"
    & skf21("3","7","5","1","5","6","7","1") = "6"
    & skf21("3","7","5","1","5","7","1","1") = "6"
    & skf21("3","7","5","1","5","7","2","1") = "6"
    & skf21("3","7","5","1","5","7","3","1") = "6"
    & skf21("3","7","5","1","5","7","4","1") = "6"
    & skf21("3","7","5","1","5","7","5","1") = "6"
    & skf21("3","7","5","1","5","7","6","1") = "6"
    & skf21("3","7","5","1","5","7","7","1") = "6"
    & skf21("3","7","5","1","6","1","1","1") = "6"
    & skf21("3","7","5","1","6","1","2","1") = "6"
    & skf21("3","7","5","1","6","1","3","1") = "6"
    & skf21("3","7","5","1","6","1","4","1") = "6"
    & skf21("3","7","5","1","6","1","5","1") = "6"
    & skf21("3","7","5","1","6","1","6","1") = "6"
    & skf21("3","7","5","1","6","1","7","1") = "6"
    & skf21("3","7","5","1","6","2","1","1") = "6"
    & skf21("3","7","5","1","6","2","2","1") = "6"
    & skf21("3","7","5","1","6","2","3","1") = "6"
    & skf21("3","7","5","1","6","2","4","1") = "6"
    & skf21("3","7","5","1","6","2","5","1") = "6"
    & skf21("3","7","5","1","6","2","6","1") = "6"
    & skf21("3","7","5","1","6","2","7","1") = "6"
    & skf21("3","7","5","1","6","3","1","1") = "6"
    & skf21("3","7","5","1","6","3","2","1") = "6"
    & skf21("3","7","5","1","6","3","3","1") = "6"
    & skf21("3","7","5","1","6","3","4","1") = "6"
    & skf21("3","7","5","1","6","3","5","1") = "6"
    & skf21("3","7","5","1","6","3","6","1") = "6"
    & skf21("3","7","5","1","6","3","7","1") = "6"
    & skf21("3","7","5","1","6","4","1","1") = "6"
    & skf21("3","7","5","1","6","4","2","1") = "6"
    & skf21("3","7","5","1","6","4","3","1") = "6"
    & skf21("3","7","5","1","6","4","4","1") = "6"
    & skf21("3","7","5","1","6","4","5","1") = "6"
    & skf21("3","7","5","1","6","4","6","1") = "6"
    & skf21("3","7","5","1","6","4","7","1") = "6"
    & skf21("3","7","5","1","6","5","1","1") = "6"
    & skf21("3","7","5","1","6","5","2","1") = "6"
    & skf21("3","7","5","1","6","5","3","1") = "6"
    & skf21("3","7","5","1","6","5","4","1") = "6"
    & skf21("3","7","5","1","6","5","5","1") = "6"
    & skf21("3","7","5","1","6","5","6","1") = "6"
    & skf21("3","7","5","1","6","5","7","1") = "6"
    & skf21("3","7","5","1","6","6","1","1") = "6"
    & skf21("3","7","5","1","6","6","2","1") = "6"
    & skf21("3","7","5","1","6","6","3","1") = "6"
    & skf21("3","7","5","1","6","6","4","1") = "6"
    & skf21("3","7","5","1","6","6","5","1") = "6"
    & skf21("3","7","5","1","6","6","6","1") = "6"
    & skf21("3","7","5","1","6","6","7","1") = "6"
    & skf21("3","7","5","1","6","7","1","1") = "6"
    & skf21("3","7","5","1","6","7","2","1") = "6"
    & skf21("3","7","5","1","6","7","3","1") = "6"
    & skf21("3","7","5","1","6","7","4","1") = "6"
    & skf21("3","7","5","1","6","7","5","1") = "6"
    & skf21("3","7","5","1","6","7","6","1") = "6"
    & skf21("3","7","5","1","6","7","7","1") = "6"
    & skf21("3","7","5","1","7","1","1","1") = "6"
    & skf21("3","7","5","1","7","1","2","1") = "6"
    & skf21("3","7","5","1","7","1","3","1") = "6"
    & skf21("3","7","5","1","7","1","4","1") = "6"
    & skf21("3","7","5","1","7","1","5","1") = "6"
    & skf21("3","7","5","1","7","1","6","1") = "6"
    & skf21("3","7","5","1","7","1","7","1") = "6"
    & skf21("3","7","5","1","7","2","1","1") = "6"
    & skf21("3","7","5","1","7","2","2","1") = "6"
    & skf21("3","7","5","1","7","2","3","1") = "6"
    & skf21("3","7","5","1","7","2","4","1") = "6"
    & skf21("3","7","5","1","7","2","5","1") = "6"
    & skf21("3","7","5","1","7","2","6","1") = "6"
    & skf21("3","7","5","1","7","2","7","1") = "6"
    & skf21("3","7","5","1","7","3","1","1") = "6"
    & skf21("3","7","5","1","7","3","2","1") = "6"
    & skf21("3","7","5","1","7","3","3","1") = "6"
    & skf21("3","7","5","1","7","3","4","1") = "6"
    & skf21("3","7","5","1","7","3","5","1") = "6"
    & skf21("3","7","5","1","7","3","6","1") = "6"
    & skf21("3","7","5","1","7","3","7","1") = "6"
    & skf21("3","7","5","1","7","4","1","1") = "6"
    & skf21("3","7","5","1","7","4","2","1") = "6"
    & skf21("3","7","5","1","7","4","3","1") = "6"
    & skf21("3","7","5","1","7","4","4","1") = "6"
    & skf21("3","7","5","1","7","4","5","1") = "6"
    & skf21("3","7","5","1","7","4","6","1") = "6"
    & skf21("3","7","5","1","7","4","7","1") = "6"
    & skf21("3","7","5","1","7","5","1","1") = "6"
    & skf21("3","7","5","1","7","5","2","1") = "6"
    & skf21("3","7","5","1","7","5","3","1") = "6"
    & skf21("3","7","5","1","7","5","4","1") = "6"
    & skf21("3","7","5","1","7","5","5","1") = "6"
    & skf21("3","7","5","1","7","5","6","1") = "6"
    & skf21("3","7","5","1","7","5","7","1") = "6"
    & skf21("3","7","5","1","7","6","1","1") = "6"
    & skf21("3","7","5","1","7","6","2","1") = "6"
    & skf21("3","7","5","1","7","6","3","1") = "6"
    & skf21("3","7","5","1","7","6","4","1") = "6"
    & skf21("3","7","5","1","7","6","5","1") = "6"
    & skf21("3","7","5","1","7","6","6","1") = "6"
    & skf21("3","7","5","1","7","6","7","1") = "6"
    & skf21("3","7","5","1","7","7","1","1") = "6"
    & skf21("3","7","5","1","7","7","2","1") = "6"
    & skf21("3","7","5","1","7","7","3","1") = "6"
    & skf21("3","7","5","1","7","7","4","1") = "6"
    & skf21("3","7","5","1","7","7","5","1") = "6"
    & skf21("3","7","5","1","7","7","6","1") = "6"
    & skf21("3","7","5","1","7","7","7","1") = "6"
    & skf21("3","7","5","2","1","1","1","1") = "6"
    & skf21("3","7","5","2","1","1","2","1") = "6"
    & skf21("3","7","5","2","1","1","3","1") = "6"
    & skf21("3","7","5","2","1","1","4","1") = "6"
    & skf21("3","7","5","2","1","1","5","1") = "6"
    & skf21("3","7","5","2","1","1","6","1") = "6"
    & skf21("3","7","5","2","1","1","7","1") = "6"
    & skf21("3","7","5","2","1","2","1","1") = "6"
    & skf21("3","7","5","2","1","2","2","1") = "6"
    & skf21("3","7","5","2","1","2","3","1") = "6"
    & skf21("3","7","5","2","1","2","4","1") = "6"
    & skf21("3","7","5","2","1","2","5","1") = "6"
    & skf21("3","7","5","2","1","2","6","1") = "6"
    & skf21("3","7","5","2","1","2","7","1") = "6"
    & skf21("3","7","5","2","1","3","1","1") = "6"
    & skf21("3","7","5","2","1","3","2","1") = "6"
    & skf21("3","7","5","2","1","3","3","1") = "6"
    & skf21("3","7","5","2","1","3","4","1") = "6"
    & skf21("3","7","5","2","1","3","5","1") = "6"
    & skf21("3","7","5","2","1","3","6","1") = "6"
    & skf21("3","7","5","2","1","3","7","1") = "6"
    & skf21("3","7","5","2","1","4","1","1") = "6"
    & skf21("3","7","5","2","1","4","2","1") = "6"
    & skf21("3","7","5","2","1","4","3","1") = "6"
    & skf21("3","7","5","2","1","4","4","1") = "6"
    & skf21("3","7","5","2","1","4","5","1") = "6"
    & skf21("3","7","5","2","1","4","6","1") = "6"
    & skf21("3","7","5","2","1","4","7","1") = "6"
    & skf21("3","7","5","2","1","5","1","1") = "6"
    & skf21("3","7","5","2","1","5","2","1") = "6"
    & skf21("3","7","5","2","1","5","3","1") = "6"
    & skf21("3","7","5","2","1","5","4","1") = "6"
    & skf21("3","7","5","2","1","5","5","1") = "6"
    & skf21("3","7","5","2","1","5","6","1") = "6"
    & skf21("3","7","5","2","1","5","7","1") = "6"
    & skf21("3","7","5","2","1","6","1","1") = "6"
    & skf21("3","7","5","2","1","6","2","1") = "6"
    & skf21("3","7","5","2","1","6","3","1") = "6"
    & skf21("3","7","5","2","1","6","4","1") = "6"
    & skf21("3","7","5","2","1","6","5","1") = "6"
    & skf21("3","7","5","2","1","6","6","1") = "6"
    & skf21("3","7","5","2","1","6","7","1") = "6"
    & skf21("3","7","5","2","1","7","1","1") = "6"
    & skf21("3","7","5","2","1","7","2","1") = "6"
    & skf21("3","7","5","2","1","7","3","1") = "6"
    & skf21("3","7","5","2","1","7","4","1") = "6"
    & skf21("3","7","5","2","1","7","5","1") = "6"
    & skf21("3","7","5","2","1","7","6","1") = "6"
    & skf21("3","7","5","2","1","7","7","1") = "6"
    & skf21("3","7","5","2","2","1","1","1") = "6"
    & skf21("3","7","5","2","2","1","2","1") = "6"
    & skf21("3","7","5","2","2","1","3","1") = "6"
    & skf21("3","7","5","2","2","1","4","1") = "6"
    & skf21("3","7","5","2","2","1","5","1") = "6"
    & skf21("3","7","5","2","2","1","6","1") = "6"
    & skf21("3","7","5","2","2","1","7","1") = "6"
    & skf21("3","7","5","2","2","2","1","1") = "6"
    & skf21("3","7","5","2","2","2","2","1") = "6"
    & skf21("3","7","5","2","2","2","3","1") = "6"
    & skf21("3","7","5","2","2","2","4","1") = "6"
    & skf21("3","7","5","2","2","2","5","1") = "6"
    & skf21("3","7","5","2","2","2","6","1") = "6"
    & skf21("3","7","5","2","2","2","7","1") = "6"
    & skf21("3","7","5","2","2","3","1","1") = "6"
    & skf21("3","7","5","2","2","3","2","1") = "6"
    & skf21("3","7","5","2","2","3","3","1") = "6"
    & skf21("3","7","5","2","2","3","4","1") = "6"
    & skf21("3","7","5","2","2","3","5","1") = "6"
    & skf21("3","7","5","2","2","3","6","1") = "6"
    & skf21("3","7","5","2","2","3","7","1") = "6"
    & skf21("3","7","5","2","2","4","1","1") = "6"
    & skf21("3","7","5","2","2","4","2","1") = "6"
    & skf21("3","7","5","2","2","4","3","1") = "6"
    & skf21("3","7","5","2","2","4","4","1") = "6"
    & skf21("3","7","5","2","2","4","5","1") = "6"
    & skf21("3","7","5","2","2","4","6","1") = "6"
    & skf21("3","7","5","2","2","4","7","1") = "6"
    & skf21("3","7","5","2","2","5","1","1") = "6"
    & skf21("3","7","5","2","2","5","2","1") = "6"
    & skf21("3","7","5","2","2","5","3","1") = "6"
    & skf21("3","7","5","2","2","5","4","1") = "6"
    & skf21("3","7","5","2","2","5","5","1") = "6"
    & skf21("3","7","5","2","2","5","6","1") = "6"
    & skf21("3","7","5","2","2","5","7","1") = "6"
    & skf21("3","7","5","2","2","6","1","1") = "6"
    & skf21("3","7","5","2","2","6","2","1") = "6"
    & skf21("3","7","5","2","2","6","3","1") = "6"
    & skf21("3","7","5","2","2","6","4","1") = "6"
    & skf21("3","7","5","2","2","6","5","1") = "6"
    & skf21("3","7","5","2","2","6","6","1") = "6"
    & skf21("3","7","5","2","2","6","7","1") = "6"
    & skf21("3","7","5","2","2","7","1","1") = "6"
    & skf21("3","7","5","2","2","7","2","1") = "6"
    & skf21("3","7","5","2","2","7","3","1") = "6"
    & skf21("3","7","5","2","2","7","4","1") = "6"
    & skf21("3","7","5","2","2","7","5","1") = "6"
    & skf21("3","7","5","2","2","7","6","1") = "6"
    & skf21("3","7","5","2","2","7","7","1") = "6"
    & skf21("3","7","5","2","3","1","1","1") = "6"
    & skf21("3","7","5","2","3","1","2","1") = "6"
    & skf21("3","7","5","2","3","1","3","1") = "6"
    & skf21("3","7","5","2","3","1","4","1") = "6"
    & skf21("3","7","5","2","3","1","5","1") = "6"
    & skf21("3","7","5","2","3","1","6","1") = "6"
    & skf21("3","7","5","2","3","1","7","1") = "6"
    & skf21("3","7","5","2","3","2","1","1") = "6"
    & skf21("3","7","5","2","3","2","2","1") = "6"
    & skf21("3","7","5","2","3","2","3","1") = "6"
    & skf21("3","7","5","2","3","2","4","1") = "6"
    & skf21("3","7","5","2","3","2","5","1") = "6"
    & skf21("3","7","5","2","3","2","6","1") = "6"
    & skf21("3","7","5","2","3","2","7","1") = "6"
    & skf21("3","7","5","2","3","3","1","1") = "6"
    & skf21("3","7","5","2","3","3","2","1") = "6"
    & skf21("3","7","5","2","3","3","3","1") = "6"
    & skf21("3","7","5","2","3","3","4","1") = "6"
    & skf21("3","7","5","2","3","3","5","1") = "6"
    & skf21("3","7","5","2","3","3","6","1") = "6"
    & skf21("3","7","5","2","3","3","7","1") = "6"
    & skf21("3","7","5","2","3","4","1","1") = "6"
    & skf21("3","7","5","2","3","4","2","1") = "6"
    & skf21("3","7","5","2","3","4","3","1") = "6"
    & skf21("3","7","5","2","3","4","4","1") = "6"
    & skf21("3","7","5","2","3","4","5","1") = "6"
    & skf21("3","7","5","2","3","4","6","1") = "6"
    & skf21("3","7","5","2","3","4","7","1") = "6"
    & skf21("3","7","5","2","3","5","1","1") = "6"
    & skf21("3","7","5","2","3","5","2","1") = "6"
    & skf21("3","7","5","2","3","5","3","1") = "6"
    & skf21("3","7","5","2","3","5","4","1") = "6"
    & skf21("3","7","5","2","3","5","5","1") = "6"
    & skf21("3","7","5","2","3","5","6","1") = "6"
    & skf21("3","7","5","2","3","5","7","1") = "6"
    & skf21("3","7","5","2","3","6","1","1") = "6"
    & skf21("3","7","5","2","3","6","2","1") = "6"
    & skf21("3","7","5","2","3","6","3","1") = "6"
    & skf21("3","7","5","2","3","6","4","1") = "6"
    & skf21("3","7","5","2","3","6","5","1") = "6"
    & skf21("3","7","5","2","3","6","6","1") = "6"
    & skf21("3","7","5","2","3","6","7","1") = "6"
    & skf21("3","7","5","2","3","7","1","1") = "6"
    & skf21("3","7","5","2","3","7","2","1") = "6"
    & skf21("3","7","5","2","3","7","3","1") = "6"
    & skf21("3","7","5","2","3","7","4","1") = "6"
    & skf21("3","7","5","2","3","7","5","1") = "6"
    & skf21("3","7","5","2","3","7","6","1") = "6"
    & skf21("3","7","5","2","3","7","7","1") = "6"
    & skf21("3","7","5","2","4","1","1","1") = "6"
    & skf21("3","7","5","2","4","1","2","1") = "6"
    & skf21("3","7","5","2","4","1","3","1") = "6"
    & skf21("3","7","5","2","4","1","4","1") = "6"
    & skf21("3","7","5","2","4","1","5","1") = "6"
    & skf21("3","7","5","2","4","1","6","1") = "6"
    & skf21("3","7","5","2","4","1","7","1") = "6"
    & skf21("3","7","5","2","4","2","1","1") = "6"
    & skf21("3","7","5","2","4","2","2","1") = "6"
    & skf21("3","7","5","2","4","2","3","1") = "6"
    & skf21("3","7","5","2","4","2","4","1") = "6"
    & skf21("3","7","5","2","4","2","5","1") = "6"
    & skf21("3","7","5","2","4","2","6","1") = "6"
    & skf21("3","7","5","2","4","2","7","1") = "6"
    & skf21("3","7","5","2","4","3","1","1") = "6"
    & skf21("3","7","5","2","4","3","2","1") = "6"
    & skf21("3","7","5","2","4","3","3","1") = "6"
    & skf21("3","7","5","2","4","3","4","1") = "6"
    & skf21("3","7","5","2","4","3","5","1") = "6"
    & skf21("3","7","5","2","4","3","6","1") = "6"
    & skf21("3","7","5","2","4","3","7","1") = "6"
    & skf21("3","7","5","2","4","4","1","1") = "6"
    & skf21("3","7","5","2","4","4","2","1") = "6"
    & skf21("3","7","5","2","4","4","3","1") = "6"
    & skf21("3","7","5","2","4","4","4","1") = "6"
    & skf21("3","7","5","2","4","4","5","1") = "6"
    & skf21("3","7","5","2","4","4","6","1") = "6"
    & skf21("3","7","5","2","4","4","7","1") = "6"
    & skf21("3","7","5","2","4","5","1","1") = "6"
    & skf21("3","7","5","2","4","5","2","1") = "6"
    & skf21("3","7","5","2","4","5","3","1") = "6"
    & skf21("3","7","5","2","4","5","4","1") = "6"
    & skf21("3","7","5","2","4","5","5","1") = "6"
    & skf21("3","7","5","2","4","5","6","1") = "6"
    & skf21("3","7","5","2","4","5","7","1") = "6"
    & skf21("3","7","5","2","4","6","1","1") = "6"
    & skf21("3","7","5","2","4","6","2","1") = "6"
    & skf21("3","7","5","2","4","6","3","1") = "6"
    & skf21("3","7","5","2","4","6","4","1") = "6"
    & skf21("3","7","5","2","4","6","5","1") = "6"
    & skf21("3","7","5","2","4","6","6","1") = "6"
    & skf21("3","7","5","2","4","6","7","1") = "6"
    & skf21("3","7","5","2","4","7","1","1") = "6"
    & skf21("3","7","5","2","4","7","2","1") = "6"
    & skf21("3","7","5","2","4","7","3","1") = "6"
    & skf21("3","7","5","2","4","7","4","1") = "6"
    & skf21("3","7","5","2","4","7","5","1") = "6"
    & skf21("3","7","5","2","4","7","6","1") = "6"
    & skf21("3","7","5","2","4","7","7","1") = "6"
    & skf21("3","7","5","2","5","1","1","1") = "6"
    & skf21("3","7","5","2","5","1","2","1") = "6"
    & skf21("3","7","5","2","5","1","3","1") = "6"
    & skf21("3","7","5","2","5","1","4","1") = "6"
    & skf21("3","7","5","2","5","1","5","1") = "6"
    & skf21("3","7","5","2","5","1","6","1") = "6"
    & skf21("3","7","5","2","5","1","7","1") = "6"
    & skf21("3","7","5","2","5","2","1","1") = "6"
    & skf21("3","7","5","2","5","2","2","1") = "6"
    & skf21("3","7","5","2","5","2","3","1") = "6"
    & skf21("3","7","5","2","5","2","4","1") = "6"
    & skf21("3","7","5","2","5","2","5","1") = "6"
    & skf21("3","7","5","2","5","2","6","1") = "6"
    & skf21("3","7","5","2","5","2","7","1") = "6"
    & skf21("3","7","5","2","5","3","1","1") = "6"
    & skf21("3","7","5","2","5","3","2","1") = "6"
    & skf21("3","7","5","2","5","3","3","1") = "6"
    & skf21("3","7","5","2","5","3","4","1") = "6"
    & skf21("3","7","5","2","5","3","5","1") = "6"
    & skf21("3","7","5","2","5","3","6","1") = "6"
    & skf21("3","7","5","2","5","3","7","1") = "6"
    & skf21("3","7","5","2","5","4","1","1") = "6"
    & skf21("3","7","5","2","5","4","2","1") = "6"
    & skf21("3","7","5","2","5","4","3","1") = "6"
    & skf21("3","7","5","2","5","4","4","1") = "6"
    & skf21("3","7","5","2","5","4","5","1") = "6"
    & skf21("3","7","5","2","5","4","6","1") = "6"
    & skf21("3","7","5","2","5","4","7","1") = "6"
    & skf21("3","7","5","2","5","5","1","1") = "6"
    & skf21("3","7","5","2","5","5","2","1") = "6"
    & skf21("3","7","5","2","5","5","3","1") = "6"
    & skf21("3","7","5","2","5","5","4","1") = "6"
    & skf21("3","7","5","2","5","5","5","1") = "6"
    & skf21("3","7","5","2","5","5","6","1") = "6"
    & skf21("3","7","5","2","5","5","7","1") = "6"
    & skf21("3","7","5","2","5","6","1","1") = "6"
    & skf21("3","7","5","2","5","6","2","1") = "6"
    & skf21("3","7","5","2","5","6","3","1") = "6"
    & skf21("3","7","5","2","5","6","4","1") = "6"
    & skf21("3","7","5","2","5","6","5","1") = "6"
    & skf21("3","7","5","2","5","6","6","1") = "6"
    & skf21("3","7","5","2","5","6","7","1") = "6"
    & skf21("3","7","5","2","5","7","1","1") = "6"
    & skf21("3","7","5","2","5","7","2","1") = "6"
    & skf21("3","7","5","2","5","7","3","1") = "6"
    & skf21("3","7","5","2","5","7","4","1") = "6"
    & skf21("3","7","5","2","5","7","5","1") = "6"
    & skf21("3","7","5","2","5","7","6","1") = "6"
    & skf21("3","7","5","2","5","7","7","1") = "6"
    & skf21("3","7","5","2","6","1","1","1") = "6"
    & skf21("3","7","5","2","6","1","2","1") = "6"
    & skf21("3","7","5","2","6","1","3","1") = "6"
    & skf21("3","7","5","2","6","1","4","1") = "6"
    & skf21("3","7","5","2","6","1","5","1") = "6"
    & skf21("3","7","5","2","6","1","6","1") = "6"
    & skf21("3","7","5","2","6","1","7","1") = "6"
    & skf21("3","7","5","2","6","2","1","1") = "6"
    & skf21("3","7","5","2","6","2","2","1") = "6"
    & skf21("3","7","5","2","6","2","3","1") = "6"
    & skf21("3","7","5","2","6","2","4","1") = "6"
    & skf21("3","7","5","2","6","2","5","1") = "6"
    & skf21("3","7","5","2","6","2","6","1") = "6"
    & skf21("3","7","5","2","6","2","7","1") = "6"
    & skf21("3","7","5","2","6","3","1","1") = "6"
    & skf21("3","7","5","2","6","3","2","1") = "6"
    & skf21("3","7","5","2","6","3","3","1") = "6"
    & skf21("3","7","5","2","6","3","4","1") = "6"
    & skf21("3","7","5","2","6","3","5","1") = "6"
    & skf21("3","7","5","2","6","3","6","1") = "6"
    & skf21("3","7","5","2","6","3","7","1") = "6"
    & skf21("3","7","5","2","6","4","1","1") = "6"
    & skf21("3","7","5","2","6","4","2","1") = "6"
    & skf21("3","7","5","2","6","4","3","1") = "6"
    & skf21("3","7","5","2","6","4","4","1") = "6"
    & skf21("3","7","5","2","6","4","5","1") = "6"
    & skf21("3","7","5","2","6","4","6","1") = "6"
    & skf21("3","7","5","2","6","4","7","1") = "6"
    & skf21("3","7","5","2","6","5","1","1") = "6"
    & skf21("3","7","5","2","6","5","2","1") = "6"
    & skf21("3","7","5","2","6","5","3","1") = "6"
    & skf21("3","7","5","2","6","5","4","1") = "6"
    & skf21("3","7","5","2","6","5","5","1") = "6"
    & skf21("3","7","5","2","6","5","6","1") = "6"
    & skf21("3","7","5","2","6","5","7","1") = "6"
    & skf21("3","7","5","2","6","6","1","1") = "6"
    & skf21("3","7","5","2","6","6","2","1") = "6"
    & skf21("3","7","5","2","6","6","3","1") = "6"
    & skf21("3","7","5","2","6","6","4","1") = "6"
    & skf21("3","7","5","2","6","6","5","1") = "6"
    & skf21("3","7","5","2","6","6","6","1") = "6"
    & skf21("3","7","5","2","6","6","7","1") = "6"
    & skf21("3","7","5","2","6","7","1","1") = "6"
    & skf21("3","7","5","2","6","7","2","1") = "6"
    & skf21("3","7","5","2","6","7","3","1") = "6"
    & skf21("3","7","5","2","6","7","4","1") = "6"
    & skf21("3","7","5","2","6","7","5","1") = "6"
    & skf21("3","7","5","2","6","7","6","1") = "6"
    & skf21("3","7","5","2","6","7","7","1") = "6"
    & skf21("3","7","5","2","7","1","1","1") = "6"
    & skf21("3","7","5","2","7","1","2","1") = "6"
    & skf21("3","7","5","2","7","1","3","1") = "6"
    & skf21("3","7","5","2","7","1","4","1") = "6"
    & skf21("3","7","5","2","7","1","5","1") = "6"
    & skf21("3","7","5","2","7","1","6","1") = "6"
    & skf21("3","7","5","2","7","1","7","1") = "6"
    & skf21("3","7","5","2","7","2","1","1") = "6"
    & skf21("3","7","5","2","7","2","2","1") = "6"
    & skf21("3","7","5","2","7","2","3","1") = "6"
    & skf21("3","7","5","2","7","2","4","1") = "6"
    & skf21("3","7","5","2","7","2","5","1") = "6"
    & skf21("3","7","5","2","7","2","6","1") = "6"
    & skf21("3","7","5","2","7","2","7","1") = "6"
    & skf21("3","7","5","2","7","3","1","1") = "6"
    & skf21("3","7","5","2","7","3","2","1") = "6"
    & skf21("3","7","5","2","7","3","3","1") = "6"
    & skf21("3","7","5","2","7","3","4","1") = "6"
    & skf21("3","7","5","2","7","3","5","1") = "6"
    & skf21("3","7","5","2","7","3","6","1") = "6"
    & skf21("3","7","5","2","7","3","7","1") = "6"
    & skf21("3","7","5","2","7","4","1","1") = "6"
    & skf21("3","7","5","2","7","4","2","1") = "6"
    & skf21("3","7","5","2","7","4","3","1") = "6"
    & skf21("3","7","5","2","7","4","4","1") = "6"
    & skf21("3","7","5","2","7","4","5","1") = "6"
    & skf21("3","7","5","2","7","4","6","1") = "6"
    & skf21("3","7","5","2","7","4","7","1") = "6"
    & skf21("3","7","5","2","7","5","1","1") = "6"
    & skf21("3","7","5","2","7","5","2","1") = "6"
    & skf21("3","7","5","2","7","5","3","1") = "6"
    & skf21("3","7","5","2","7","5","4","1") = "6"
    & skf21("3","7","5","2","7","5","5","1") = "6"
    & skf21("3","7","5","2","7","5","6","1") = "6"
    & skf21("3","7","5","2","7","5","7","1") = "6"
    & skf21("3","7","5","2","7","6","1","1") = "6"
    & skf21("3","7","5","2","7","6","2","1") = "6"
    & skf21("3","7","5","2","7","6","3","1") = "6"
    & skf21("3","7","5","2","7","6","4","1") = "6"
    & skf21("3","7","5","2","7","6","5","1") = "6"
    & skf21("3","7","5","2","7","6","6","1") = "6"
    & skf21("3","7","5","2","7","6","7","1") = "6"
    & skf21("3","7","5","2","7","7","1","1") = "6"
    & skf21("3","7","5","2","7","7","2","1") = "6"
    & skf21("3","7","5","2","7","7","3","1") = "6"
    & skf21("3","7","5","2","7","7","4","1") = "6"
    & skf21("3","7","5","2","7","7","5","1") = "6"
    & skf21("3","7","5","2","7","7","6","1") = "6"
    & skf21("3","7","5","2","7","7","7","1") = "6"
    & skf21("3","7","5","3","1","1","1","1") = "6"
    & skf21("3","7","5","3","1","1","2","1") = "6"
    & skf21("3","7","5","3","1","1","3","1") = "6"
    & skf21("3","7","5","3","1","1","4","1") = "6"
    & skf21("3","7","5","3","1","1","5","1") = "6"
    & skf21("3","7","5","3","1","1","6","1") = "6"
    & skf21("3","7","5","3","1","1","7","1") = "6"
    & skf21("3","7","5","3","1","2","1","1") = "6"
    & skf21("3","7","5","3","1","2","2","1") = "6"
    & skf21("3","7","5","3","1","2","3","1") = "6"
    & skf21("3","7","5","3","1","2","4","1") = "6"
    & skf21("3","7","5","3","1","2","5","1") = "6"
    & skf21("3","7","5","3","1","2","6","1") = "6"
    & skf21("3","7","5","3","1","2","7","1") = "6"
    & skf21("3","7","5","3","1","3","1","1") = "6"
    & skf21("3","7","5","3","1","3","2","1") = "6"
    & skf21("3","7","5","3","1","3","3","1") = "6"
    & skf21("3","7","5","3","1","3","4","1") = "6"
    & skf21("3","7","5","3","1","3","5","1") = "6"
    & skf21("3","7","5","3","1","3","6","1") = "6"
    & skf21("3","7","5","3","1","3","7","1") = "6"
    & skf21("3","7","5","3","1","4","1","1") = "6"
    & skf21("3","7","5","3","1","4","2","1") = "6"
    & skf21("3","7","5","3","1","4","3","1") = "6"
    & skf21("3","7","5","3","1","4","4","1") = "6"
    & skf21("3","7","5","3","1","4","5","1") = "6"
    & skf21("3","7","5","3","1","4","6","1") = "6"
    & skf21("3","7","5","3","1","4","7","1") = "6"
    & skf21("3","7","5","3","1","5","1","1") = "6"
    & skf21("3","7","5","3","1","5","2","1") = "6"
    & skf21("3","7","5","3","1","5","3","1") = "6"
    & skf21("3","7","5","3","1","5","4","1") = "6"
    & skf21("3","7","5","3","1","5","5","1") = "6"
    & skf21("3","7","5","3","1","5","6","1") = "6"
    & skf21("3","7","5","3","1","5","7","1") = "6"
    & skf21("3","7","5","3","1","6","1","1") = "6"
    & skf21("3","7","5","3","1","6","2","1") = "6"
    & skf21("3","7","5","3","1","6","3","1") = "6"
    & skf21("3","7","5","3","1","6","4","1") = "6"
    & skf21("3","7","5","3","1","6","5","1") = "6"
    & skf21("3","7","5","3","1","6","6","1") = "6"
    & skf21("3","7","5","3","1","6","7","1") = "6"
    & skf21("3","7","5","3","1","7","1","1") = "6"
    & skf21("3","7","5","3","1","7","2","1") = "6"
    & skf21("3","7","5","3","1","7","3","1") = "6"
    & skf21("3","7","5","3","1","7","4","1") = "6"
    & skf21("3","7","5","3","1","7","5","1") = "6"
    & skf21("3","7","5","3","1","7","6","1") = "6"
    & skf21("3","7","5","3","1","7","7","1") = "6"
    & skf21("3","7","5","3","2","1","1","1") = "6"
    & skf21("3","7","5","3","2","1","2","1") = "6"
    & skf21("3","7","5","3","2","1","3","1") = "6"
    & skf21("3","7","5","3","2","1","4","1") = "6"
    & skf21("3","7","5","3","2","1","5","1") = "6"
    & skf21("3","7","5","3","2","1","6","1") = "6"
    & skf21("3","7","5","3","2","1","7","1") = "6"
    & skf21("3","7","5","3","2","2","1","1") = "6"
    & skf21("3","7","5","3","2","2","2","1") = "6"
    & skf21("3","7","5","3","2","2","3","1") = "6"
    & skf21("3","7","5","3","2","2","4","1") = "6"
    & skf21("3","7","5","3","2","2","5","1") = "6"
    & skf21("3","7","5","3","2","2","6","1") = "6"
    & skf21("3","7","5","3","2","2","7","1") = "6"
    & skf21("3","7","5","3","2","3","1","1") = "6"
    & skf21("3","7","5","3","2","3","2","1") = "6"
    & skf21("3","7","5","3","2","3","3","1") = "6"
    & skf21("3","7","5","3","2","3","4","1") = "6"
    & skf21("3","7","5","3","2","3","5","1") = "6"
    & skf21("3","7","5","3","2","3","6","1") = "6"
    & skf21("3","7","5","3","2","3","7","1") = "6"
    & skf21("3","7","5","3","2","4","1","1") = "6"
    & skf21("3","7","5","3","2","4","2","1") = "6"
    & skf21("3","7","5","3","2","4","3","1") = "6"
    & skf21("3","7","5","3","2","4","4","1") = "6"
    & skf21("3","7","5","3","2","4","5","1") = "6"
    & skf21("3","7","5","3","2","4","6","1") = "6"
    & skf21("3","7","5","3","2","4","7","1") = "6"
    & skf21("3","7","5","3","2","5","1","1") = "6"
    & skf21("3","7","5","3","2","5","2","1") = "6"
    & skf21("3","7","5","3","2","5","3","1") = "6"
    & skf21("3","7","5","3","2","5","4","1") = "6"
    & skf21("3","7","5","3","2","5","5","1") = "6"
    & skf21("3","7","5","3","2","5","6","1") = "6"
    & skf21("3","7","5","3","2","5","7","1") = "6"
    & skf21("3","7","5","3","2","6","1","1") = "6"
    & skf21("3","7","5","3","2","6","2","1") = "6"
    & skf21("3","7","5","3","2","6","3","1") = "6"
    & skf21("3","7","5","3","2","6","4","1") = "6"
    & skf21("3","7","5","3","2","6","5","1") = "6"
    & skf21("3","7","5","3","2","6","6","1") = "6"
    & skf21("3","7","5","3","2","6","7","1") = "6"
    & skf21("3","7","5","3","2","7","1","1") = "6"
    & skf21("3","7","5","3","2","7","2","1") = "6"
    & skf21("3","7","5","3","2","7","3","1") = "6"
    & skf21("3","7","5","3","2","7","4","1") = "6"
    & skf21("3","7","5","3","2","7","5","1") = "6"
    & skf21("3","7","5","3","2","7","6","1") = "6"
    & skf21("3","7","5","3","2","7","7","1") = "6"
    & skf21("3","7","5","3","3","1","1","1") = "6"
    & skf21("3","7","5","3","3","1","2","1") = "6"
    & skf21("3","7","5","3","3","1","3","1") = "6"
    & skf21("3","7","5","3","3","1","4","1") = "6"
    & skf21("3","7","5","3","3","1","5","1") = "6"
    & skf21("3","7","5","3","3","1","6","1") = "6"
    & skf21("3","7","5","3","3","1","7","1") = "6"
    & skf21("3","7","5","3","3","2","1","1") = "6"
    & skf21("3","7","5","3","3","2","2","1") = "6"
    & skf21("3","7","5","3","3","2","3","1") = "6"
    & skf21("3","7","5","3","3","2","4","1") = "6"
    & skf21("3","7","5","3","3","2","5","1") = "6"
    & skf21("3","7","5","3","3","2","6","1") = "6"
    & skf21("3","7","5","3","3","2","7","1") = "6"
    & skf21("3","7","5","3","3","3","1","1") = "6"
    & skf21("3","7","5","3","3","3","2","1") = "6"
    & skf21("3","7","5","3","3","3","3","1") = "6"
    & skf21("3","7","5","3","3","3","4","1") = "6"
    & skf21("3","7","5","3","3","3","5","1") = "6"
    & skf21("3","7","5","3","3","3","6","1") = "6"
    & skf21("3","7","5","3","3","3","7","1") = "6"
    & skf21("3","7","5","3","3","4","1","1") = "6"
    & skf21("3","7","5","3","3","4","2","1") = "6"
    & skf21("3","7","5","3","3","4","3","1") = "6"
    & skf21("3","7","5","3","3","4","4","1") = "6"
    & skf21("3","7","5","3","3","4","5","1") = "6"
    & skf21("3","7","5","3","3","4","6","1") = "6"
    & skf21("3","7","5","3","3","4","7","1") = "6"
    & skf21("3","7","5","3","3","5","1","1") = "6"
    & skf21("3","7","5","3","3","5","2","1") = "6"
    & skf21("3","7","5","3","3","5","3","1") = "6"
    & skf21("3","7","5","3","3","5","4","1") = "6"
    & skf21("3","7","5","3","3","5","5","1") = "6"
    & skf21("3","7","5","3","3","5","6","1") = "6"
    & skf21("3","7","5","3","3","5","7","1") = "6"
    & skf21("3","7","5","3","3","6","1","1") = "6"
    & skf21("3","7","5","3","3","6","2","1") = "6"
    & skf21("3","7","5","3","3","6","3","1") = "6"
    & skf21("3","7","5","3","3","6","4","1") = "6"
    & skf21("3","7","5","3","3","6","5","1") = "6"
    & skf21("3","7","5","3","3","6","6","1") = "6"
    & skf21("3","7","5","3","3","6","7","1") = "6"
    & skf21("3","7","5","3","3","7","1","1") = "6"
    & skf21("3","7","5","3","3","7","2","1") = "6"
    & skf21("3","7","5","3","3","7","3","1") = "6"
    & skf21("3","7","5","3","3","7","4","1") = "6"
    & skf21("3","7","5","3","3","7","5","1") = "6"
    & skf21("3","7","5","3","3","7","6","1") = "6"
    & skf21("3","7","5","3","3","7","7","1") = "6"
    & skf21("3","7","5","3","4","1","1","1") = "6"
    & skf21("3","7","5","3","4","1","2","1") = "6"
    & skf21("3","7","5","3","4","1","3","1") = "6"
    & skf21("3","7","5","3","4","1","4","1") = "6"
    & skf21("3","7","5","3","4","1","5","1") = "6"
    & skf21("3","7","5","3","4","1","6","1") = "6"
    & skf21("3","7","5","3","4","1","7","1") = "6"
    & skf21("3","7","5","3","4","2","1","1") = "6"
    & skf21("3","7","5","3","4","2","2","1") = "6"
    & skf21("3","7","5","3","4","2","3","1") = "6"
    & skf21("3","7","5","3","4","2","4","1") = "6"
    & skf21("3","7","5","3","4","2","5","1") = "6"
    & skf21("3","7","5","3","4","2","6","1") = "6"
    & skf21("3","7","5","3","4","2","7","1") = "6"
    & skf21("3","7","5","3","4","3","1","1") = "6"
    & skf21("3","7","5","3","4","3","2","1") = "6"
    & skf21("3","7","5","3","4","3","3","1") = "6"
    & skf21("3","7","5","3","4","3","4","1") = "6"
    & skf21("3","7","5","3","4","3","5","1") = "6"
    & skf21("3","7","5","3","4","3","6","1") = "6"
    & skf21("3","7","5","3","4","3","7","1") = "6"
    & skf21("3","7","5","3","4","4","1","1") = "6"
    & skf21("3","7","5","3","4","4","2","1") = "6"
    & skf21("3","7","5","3","4","4","3","1") = "6"
    & skf21("3","7","5","3","4","4","4","1") = "6"
    & skf21("3","7","5","3","4","4","5","1") = "6"
    & skf21("3","7","5","3","4","4","6","1") = "6"
    & skf21("3","7","5","3","4","4","7","1") = "6"
    & skf21("3","7","5","3","4","5","1","1") = "6"
    & skf21("3","7","5","3","4","5","2","1") = "6"
    & skf21("3","7","5","3","4","5","3","1") = "6"
    & skf21("3","7","5","3","4","5","4","1") = "6"
    & skf21("3","7","5","3","4","5","5","1") = "6"
    & skf21("3","7","5","3","4","5","6","1") = "6"
    & skf21("3","7","5","3","4","5","7","1") = "6"
    & skf21("3","7","5","3","4","6","1","1") = "6"
    & skf21("3","7","5","3","4","6","2","1") = "6"
    & skf21("3","7","5","3","4","6","3","1") = "6"
    & skf21("3","7","5","3","4","6","4","1") = "6"
    & skf21("3","7","5","3","4","6","5","1") = "6"
    & skf21("3","7","5","3","4","6","6","1") = "6"
    & skf21("3","7","5","3","4","6","7","1") = "6"
    & skf21("3","7","5","3","4","7","1","1") = "6"
    & skf21("3","7","5","3","4","7","2","1") = "6"
    & skf21("3","7","5","3","4","7","3","1") = "6"
    & skf21("3","7","5","3","4","7","4","1") = "6"
    & skf21("3","7","5","3","4","7","5","1") = "6"
    & skf21("3","7","5","3","4","7","6","1") = "6"
    & skf21("3","7","5","3","4","7","7","1") = "6"
    & skf21("3","7","5","3","5","1","1","1") = "6"
    & skf21("3","7","5","3","5","1","2","1") = "6"
    & skf21("3","7","5","3","5","1","3","1") = "6"
    & skf21("3","7","5","3","5","1","4","1") = "6"
    & skf21("3","7","5","3","5","1","5","1") = "6"
    & skf21("3","7","5","3","5","1","6","1") = "6"
    & skf21("3","7","5","3","5","1","7","1") = "6"
    & skf21("3","7","5","3","5","2","1","1") = "6"
    & skf21("3","7","5","3","5","2","2","1") = "6"
    & skf21("3","7","5","3","5","2","3","1") = "6"
    & skf21("3","7","5","3","5","2","4","1") = "6"
    & skf21("3","7","5","3","5","2","5","1") = "6"
    & skf21("3","7","5","3","5","2","6","1") = "6"
    & skf21("3","7","5","3","5","2","7","1") = "6"
    & skf21("3","7","5","3","5","3","1","1") = "6"
    & skf21("3","7","5","3","5","3","2","1") = "6"
    & skf21("3","7","5","3","5","3","3","1") = "6"
    & skf21("3","7","5","3","5","3","4","1") = "6"
    & skf21("3","7","5","3","5","3","5","1") = "6"
    & skf21("3","7","5","3","5","3","6","1") = "6"
    & skf21("3","7","5","3","5","3","7","1") = "6"
    & skf21("3","7","5","3","5","4","1","1") = "6"
    & skf21("3","7","5","3","5","4","2","1") = "6"
    & skf21("3","7","5","3","5","4","3","1") = "6"
    & skf21("3","7","5","3","5","4","4","1") = "6"
    & skf21("3","7","5","3","5","4","5","1") = "6"
    & skf21("3","7","5","3","5","4","6","1") = "6"
    & skf21("3","7","5","3","5","4","7","1") = "6"
    & skf21("3","7","5","3","5","5","1","1") = "6"
    & skf21("3","7","5","3","5","5","2","1") = "6"
    & skf21("3","7","5","3","5","5","3","1") = "6"
    & skf21("3","7","5","3","5","5","4","1") = "6"
    & skf21("3","7","5","3","5","5","5","1") = "6"
    & skf21("3","7","5","3","5","5","6","1") = "6"
    & skf21("3","7","5","3","5","5","7","1") = "6"
    & skf21("3","7","5","3","5","6","1","1") = "6"
    & skf21("3","7","5","3","5","6","2","1") = "6"
    & skf21("3","7","5","3","5","6","3","1") = "6"
    & skf21("3","7","5","3","5","6","4","1") = "6"
    & skf21("3","7","5","3","5","6","5","1") = "6"
    & skf21("3","7","5","3","5","6","6","1") = "6"
    & skf21("3","7","5","3","5","6","7","1") = "6"
    & skf21("3","7","5","3","5","7","1","1") = "6"
    & skf21("3","7","5","3","5","7","2","1") = "6"
    & skf21("3","7","5","3","5","7","3","1") = "6"
    & skf21("3","7","5","3","5","7","4","1") = "6"
    & skf21("3","7","5","3","5","7","5","1") = "6"
    & skf21("3","7","5","3","5","7","6","1") = "6"
    & skf21("3","7","5","3","5","7","7","1") = "6"
    & skf21("3","7","5","3","6","1","1","1") = "6"
    & skf21("3","7","5","3","6","1","2","1") = "6"
    & skf21("3","7","5","3","6","1","3","1") = "6"
    & skf21("3","7","5","3","6","1","4","1") = "6"
    & skf21("3","7","5","3","6","1","5","1") = "6"
    & skf21("3","7","5","3","6","1","6","1") = "6"
    & skf21("3","7","5","3","6","1","7","1") = "6"
    & skf21("3","7","5","3","6","2","1","1") = "6"
    & skf21("3","7","5","3","6","2","2","1") = "6"
    & skf21("3","7","5","3","6","2","3","1") = "6"
    & skf21("3","7","5","3","6","2","4","1") = "6"
    & skf21("3","7","5","3","6","2","5","1") = "6"
    & skf21("3","7","5","3","6","2","6","1") = "6"
    & skf21("3","7","5","3","6","2","7","1") = "6"
    & skf21("3","7","5","3","6","3","1","1") = "6"
    & skf21("3","7","5","3","6","3","2","1") = "6"
    & skf21("3","7","5","3","6","3","3","1") = "6"
    & skf21("3","7","5","3","6","3","4","1") = "6"
    & skf21("3","7","5","3","6","3","5","1") = "6"
    & skf21("3","7","5","3","6","3","6","1") = "6"
    & skf21("3","7","5","3","6","3","7","1") = "6"
    & skf21("3","7","5","3","6","4","1","1") = "6"
    & skf21("3","7","5","3","6","4","2","1") = "6"
    & skf21("3","7","5","3","6","4","3","1") = "6"
    & skf21("3","7","5","3","6","4","4","1") = "6"
    & skf21("3","7","5","3","6","4","5","1") = "6"
    & skf21("3","7","5","3","6","4","6","1") = "6"
    & skf21("3","7","5","3","6","4","7","1") = "6"
    & skf21("3","7","5","3","6","5","1","1") = "6"
    & skf21("3","7","5","3","6","5","2","1") = "6"
    & skf21("3","7","5","3","6","5","3","1") = "6"
    & skf21("3","7","5","3","6","5","4","1") = "6"
    & skf21("3","7","5","3","6","5","5","1") = "6"
    & skf21("3","7","5","3","6","5","6","1") = "6"
    & skf21("3","7","5","3","6","5","7","1") = "6"
    & skf21("3","7","5","3","6","6","1","1") = "6"
    & skf21("3","7","5","3","6","6","2","1") = "6"
    & skf21("3","7","5","3","6","6","3","1") = "6"
    & skf21("3","7","5","3","6","6","4","1") = "6"
    & skf21("3","7","5","3","6","6","5","1") = "6"
    & skf21("3","7","5","3","6","6","6","1") = "6"
    & skf21("3","7","5","3","6","6","7","1") = "6"
    & skf21("3","7","5","3","6","7","1","1") = "6"
    & skf21("3","7","5","3","6","7","2","1") = "6"
    & skf21("3","7","5","3","6","7","3","1") = "6"
    & skf21("3","7","5","3","6","7","4","1") = "6"
    & skf21("3","7","5","3","6","7","5","1") = "6"
    & skf21("3","7","5","3","6","7","6","1") = "6"
    & skf21("3","7","5","3","6","7","7","1") = "6"
    & skf21("3","7","5","3","7","1","1","1") = "6"
    & skf21("3","7","5","3","7","1","2","1") = "6"
    & skf21("3","7","5","3","7","1","3","1") = "6"
    & skf21("3","7","5","3","7","1","4","1") = "6"
    & skf21("3","7","5","3","7","1","5","1") = "6"
    & skf21("3","7","5","3","7","1","6","1") = "6"
    & skf21("3","7","5","3","7","1","7","1") = "6"
    & skf21("3","7","5","3","7","2","1","1") = "6"
    & skf21("3","7","5","3","7","2","2","1") = "6"
    & skf21("3","7","5","3","7","2","3","1") = "6"
    & skf21("3","7","5","3","7","2","4","1") = "6"
    & skf21("3","7","5","3","7","2","5","1") = "6"
    & skf21("3","7","5","3","7","2","6","1") = "6"
    & skf21("3","7","5","3","7","2","7","1") = "6"
    & skf21("3","7","5","3","7","3","1","1") = "6"
    & skf21("3","7","5","3","7","3","2","1") = "6"
    & skf21("3","7","5","3","7","3","3","1") = "6"
    & skf21("3","7","5","3","7","3","4","1") = "6"
    & skf21("3","7","5","3","7","3","5","1") = "6"
    & skf21("3","7","5","3","7","3","6","1") = "6"
    & skf21("3","7","5","3","7","3","7","1") = "6"
    & skf21("3","7","5","3","7","4","1","1") = "6"
    & skf21("3","7","5","3","7","4","2","1") = "6"
    & skf21("3","7","5","3","7","4","3","1") = "6"
    & skf21("3","7","5","3","7","4","4","1") = "6"
    & skf21("3","7","5","3","7","4","5","1") = "6"
    & skf21("3","7","5","3","7","4","6","1") = "6"
    & skf21("3","7","5","3","7","4","7","1") = "6"
    & skf21("3","7","5","3","7","5","1","1") = "6"
    & skf21("3","7","5","3","7","5","2","1") = "6"
    & skf21("3","7","5","3","7","5","3","1") = "6"
    & skf21("3","7","5","3","7","5","4","1") = "6"
    & skf21("3","7","5","3","7","5","5","1") = "6"
    & skf21("3","7","5","3","7","5","6","1") = "6"
    & skf21("3","7","5","3","7","5","7","1") = "6"
    & skf21("3","7","5","3","7","6","1","1") = "6"
    & skf21("3","7","5","3","7","6","2","1") = "6"
    & skf21("3","7","5","3","7","6","3","1") = "6"
    & skf21("3","7","5","3","7","6","4","1") = "6"
    & skf21("3","7","5","3","7","6","5","1") = "6"
    & skf21("3","7","5","3","7","6","6","1") = "6"
    & skf21("3","7","5","3","7","6","7","1") = "6"
    & skf21("3","7","5","3","7","7","1","1") = "6"
    & skf21("3","7","5","3","7","7","2","1") = "6"
    & skf21("3","7","5","3","7","7","3","1") = "6"
    & skf21("3","7","5","3","7","7","4","1") = "6"
    & skf21("3","7","5","3","7","7","5","1") = "6"
    & skf21("3","7","5","3","7","7","6","1") = "6"
    & skf21("3","7","5","3","7","7","7","1") = "6"
    & skf21("3","7","5","4","1","1","1","1") = "6"
    & skf21("3","7","5","4","1","1","2","1") = "6"
    & skf21("3","7","5","4","1","1","3","1") = "6"
    & skf21("3","7","5","4","1","1","4","1") = "6"
    & skf21("3","7","5","4","1","1","5","1") = "6"
    & skf21("3","7","5","4","1","1","6","1") = "6"
    & skf21("3","7","5","4","1","1","7","1") = "6"
    & skf21("3","7","5","4","1","2","1","1") = "6"
    & skf21("3","7","5","4","1","2","2","1") = "6"
    & skf21("3","7","5","4","1","2","3","1") = "6"
    & skf21("3","7","5","4","1","2","4","1") = "6"
    & skf21("3","7","5","4","1","2","5","1") = "6"
    & skf21("3","7","5","4","1","2","6","1") = "6"
    & skf21("3","7","5","4","1","2","7","1") = "6"
    & skf21("3","7","5","4","1","3","1","1") = "6"
    & skf21("3","7","5","4","1","3","2","1") = "6"
    & skf21("3","7","5","4","1","3","3","1") = "6"
    & skf21("3","7","5","4","1","3","4","1") = "6"
    & skf21("3","7","5","4","1","3","5","1") = "6"
    & skf21("3","7","5","4","1","3","6","1") = "6"
    & skf21("3","7","5","4","1","3","7","1") = "6"
    & skf21("3","7","5","4","1","4","1","1") = "6"
    & skf21("3","7","5","4","1","4","2","1") = "6"
    & skf21("3","7","5","4","1","4","3","1") = "6"
    & skf21("3","7","5","4","1","4","4","1") = "6"
    & skf21("3","7","5","4","1","4","5","1") = "6"
    & skf21("3","7","5","4","1","4","6","1") = "6"
    & skf21("3","7","5","4","1","4","7","1") = "6"
    & skf21("3","7","5","4","1","5","1","1") = "6"
    & skf21("3","7","5","4","1","5","2","1") = "6"
    & skf21("3","7","5","4","1","5","3","1") = "6"
    & skf21("3","7","5","4","1","5","4","1") = "6"
    & skf21("3","7","5","4","1","5","5","1") = "6"
    & skf21("3","7","5","4","1","5","6","1") = "6"
    & skf21("3","7","5","4","1","5","7","1") = "6"
    & skf21("3","7","5","4","1","6","1","1") = "6"
    & skf21("3","7","5","4","1","6","2","1") = "6"
    & skf21("3","7","5","4","1","6","3","1") = "6"
    & skf21("3","7","5","4","1","6","4","1") = "6"
    & skf21("3","7","5","4","1","6","5","1") = "6"
    & skf21("3","7","5","4","1","6","6","1") = "6"
    & skf21("3","7","5","4","1","6","7","1") = "6"
    & skf21("3","7","5","4","1","7","1","1") = "6"
    & skf21("3","7","5","4","1","7","2","1") = "6"
    & skf21("3","7","5","4","1","7","3","1") = "6"
    & skf21("3","7","5","4","1","7","4","1") = "6"
    & skf21("3","7","5","4","1","7","5","1") = "6"
    & skf21("3","7","5","4","1","7","6","1") = "6"
    & skf21("3","7","5","4","1","7","7","1") = "6"
    & skf21("3","7","5","4","2","1","1","1") = "6"
    & skf21("3","7","5","4","2","1","2","1") = "6"
    & skf21("3","7","5","4","2","1","3","1") = "6"
    & skf21("3","7","5","4","2","1","4","1") = "6"
    & skf21("3","7","5","4","2","1","5","1") = "6"
    & skf21("3","7","5","4","2","1","6","1") = "6"
    & skf21("3","7","5","4","2","1","7","1") = "6"
    & skf21("3","7","5","4","2","2","1","1") = "6"
    & skf21("3","7","5","4","2","2","2","1") = "6"
    & skf21("3","7","5","4","2","2","3","1") = "6"
    & skf21("3","7","5","4","2","2","4","1") = "6"
    & skf21("3","7","5","4","2","2","5","1") = "6"
    & skf21("3","7","5","4","2","2","6","1") = "6"
    & skf21("3","7","5","4","2","2","7","1") = "6"
    & skf21("3","7","5","4","2","3","1","1") = "6"
    & skf21("3","7","5","4","2","3","2","1") = "6"
    & skf21("3","7","5","4","2","3","3","1") = "6"
    & skf21("3","7","5","4","2","3","4","1") = "6"
    & skf21("3","7","5","4","2","3","5","1") = "6"
    & skf21("3","7","5","4","2","3","6","1") = "6"
    & skf21("3","7","5","4","2","3","7","1") = "6"
    & skf21("3","7","5","4","2","4","1","1") = "6"
    & skf21("3","7","5","4","2","4","2","1") = "6"
    & skf21("3","7","5","4","2","4","3","1") = "6"
    & skf21("3","7","5","4","2","4","4","1") = "6"
    & skf21("3","7","5","4","2","4","5","1") = "6"
    & skf21("3","7","5","4","2","4","6","1") = "6"
    & skf21("3","7","5","4","2","4","7","1") = "6"
    & skf21("3","7","5","4","2","5","1","1") = "6"
    & skf21("3","7","5","4","2","5","2","1") = "6"
    & skf21("3","7","5","4","2","5","3","1") = "6"
    & skf21("3","7","5","4","2","5","4","1") = "6"
    & skf21("3","7","5","4","2","5","5","1") = "6"
    & skf21("3","7","5","4","2","5","6","1") = "6"
    & skf21("3","7","5","4","2","5","7","1") = "6"
    & skf21("3","7","5","4","2","6","1","1") = "6"
    & skf21("3","7","5","4","2","6","2","1") = "6"
    & skf21("3","7","5","4","2","6","3","1") = "6"
    & skf21("3","7","5","4","2","6","4","1") = "6"
    & skf21("3","7","5","4","2","6","5","1") = "6"
    & skf21("3","7","5","4","2","6","6","1") = "6"
    & skf21("3","7","5","4","2","6","7","1") = "6"
    & skf21("3","7","5","4","2","7","1","1") = "6"
    & skf21("3","7","5","4","2","7","2","1") = "6"
    & skf21("3","7","5","4","2","7","3","1") = "6"
    & skf21("3","7","5","4","2","7","4","1") = "6"
    & skf21("3","7","5","4","2","7","5","1") = "6"
    & skf21("3","7","5","4","2","7","6","1") = "6"
    & skf21("3","7","5","4","2","7","7","1") = "6"
    & skf21("3","7","5","4","3","1","1","1") = "6"
    & skf21("3","7","5","4","3","1","2","1") = "6"
    & skf21("3","7","5","4","3","1","3","1") = "6"
    & skf21("3","7","5","4","3","1","4","1") = "6"
    & skf21("3","7","5","4","3","1","5","1") = "6"
    & skf21("3","7","5","4","3","1","6","1") = "6"
    & skf21("3","7","5","4","3","1","7","1") = "6"
    & skf21("3","7","5","4","3","2","1","1") = "6"
    & skf21("3","7","5","4","3","2","2","1") = "6"
    & skf21("3","7","5","4","3","2","3","1") = "6"
    & skf21("3","7","5","4","3","2","4","1") = "6"
    & skf21("3","7","5","4","3","2","5","1") = "6"
    & skf21("3","7","5","4","3","2","6","1") = "6"
    & skf21("3","7","5","4","3","2","7","1") = "6"
    & skf21("3","7","5","4","3","3","1","1") = "6"
    & skf21("3","7","5","4","3","3","2","1") = "6"
    & skf21("3","7","5","4","3","3","3","1") = "6"
    & skf21("3","7","5","4","3","3","4","1") = "6"
    & skf21("3","7","5","4","3","3","5","1") = "6"
    & skf21("3","7","5","4","3","3","6","1") = "6"
    & skf21("3","7","5","4","3","3","7","1") = "6"
    & skf21("3","7","5","4","3","4","1","1") = "6"
    & skf21("3","7","5","4","3","4","2","1") = "6"
    & skf21("3","7","5","4","3","4","3","1") = "6"
    & skf21("3","7","5","4","3","4","4","1") = "6"
    & skf21("3","7","5","4","3","4","5","1") = "6"
    & skf21("3","7","5","4","3","4","6","1") = "6"
    & skf21("3","7","5","4","3","4","7","1") = "6"
    & skf21("3","7","5","4","3","5","1","1") = "6"
    & skf21("3","7","5","4","3","5","2","1") = "6"
    & skf21("3","7","5","4","3","5","3","1") = "6"
    & skf21("3","7","5","4","3","5","4","1") = "6"
    & skf21("3","7","5","4","3","5","5","1") = "6"
    & skf21("3","7","5","4","3","5","6","1") = "6"
    & skf21("3","7","5","4","3","5","7","1") = "6"
    & skf21("3","7","5","4","3","6","1","1") = "6"
    & skf21("3","7","5","4","3","6","2","1") = "6"
    & skf21("3","7","5","4","3","6","3","1") = "6"
    & skf21("3","7","5","4","3","6","4","1") = "6"
    & skf21("3","7","5","4","3","6","5","1") = "6"
    & skf21("3","7","5","4","3","6","6","1") = "6"
    & skf21("3","7","5","4","3","6","7","1") = "6"
    & skf21("3","7","5","4","3","7","1","1") = "6"
    & skf21("3","7","5","4","3","7","2","1") = "6"
    & skf21("3","7","5","4","3","7","3","1") = "6"
    & skf21("3","7","5","4","3","7","4","1") = "6"
    & skf21("3","7","5","4","3","7","5","1") = "6"
    & skf21("3","7","5","4","3","7","6","1") = "6"
    & skf21("3","7","5","4","3","7","7","1") = "6"
    & skf21("3","7","5","4","4","1","1","1") = "6"
    & skf21("3","7","5","4","4","1","2","1") = "6"
    & skf21("3","7","5","4","4","1","3","1") = "6"
    & skf21("3","7","5","4","4","1","4","1") = "6"
    & skf21("3","7","5","4","4","1","5","1") = "6"
    & skf21("3","7","5","4","4","1","6","1") = "6"
    & skf21("3","7","5","4","4","1","7","1") = "6"
    & skf21("3","7","5","4","4","2","1","1") = "6"
    & skf21("3","7","5","4","4","2","2","1") = "6"
    & skf21("3","7","5","4","4","2","3","1") = "6"
    & skf21("3","7","5","4","4","2","4","1") = "6"
    & skf21("3","7","5","4","4","2","5","1") = "6"
    & skf21("3","7","5","4","4","2","6","1") = "6"
    & skf21("3","7","5","4","4","2","7","1") = "6"
    & skf21("3","7","5","4","4","3","1","1") = "6"
    & skf21("3","7","5","4","4","3","2","1") = "6"
    & skf21("3","7","5","4","4","3","3","1") = "6"
    & skf21("3","7","5","4","4","3","4","1") = "6"
    & skf21("3","7","5","4","4","3","5","1") = "6"
    & skf21("3","7","5","4","4","3","6","1") = "6"
    & skf21("3","7","5","4","4","3","7","1") = "6"
    & skf21("3","7","5","4","4","4","1","1") = "6"
    & skf21("3","7","5","4","4","4","2","1") = "6"
    & skf21("3","7","5","4","4","4","3","1") = "6"
    & skf21("3","7","5","4","4","4","4","1") = "6"
    & skf21("3","7","5","4","4","4","5","1") = "6"
    & skf21("3","7","5","4","4","4","6","1") = "6"
    & skf21("3","7","5","4","4","4","7","1") = "6"
    & skf21("3","7","5","4","4","5","1","1") = "6"
    & skf21("3","7","5","4","4","5","2","1") = "6"
    & skf21("3","7","5","4","4","5","3","1") = "6"
    & skf21("3","7","5","4","4","5","4","1") = "6"
    & skf21("3","7","5","4","4","5","5","1") = "6"
    & skf21("3","7","5","4","4","5","6","1") = "6"
    & skf21("3","7","5","4","4","5","7","1") = "6"
    & skf21("3","7","5","4","4","6","1","1") = "6"
    & skf21("3","7","5","4","4","6","2","1") = "6"
    & skf21("3","7","5","4","4","6","3","1") = "6"
    & skf21("3","7","5","4","4","6","4","1") = "6"
    & skf21("3","7","5","4","4","6","5","1") = "6"
    & skf21("3","7","5","4","4","6","6","1") = "6"
    & skf21("3","7","5","4","4","6","7","1") = "6"
    & skf21("3","7","5","4","4","7","1","1") = "6"
    & skf21("3","7","5","4","4","7","2","1") = "6"
    & skf21("3","7","5","4","4","7","3","1") = "6"
    & skf21("3","7","5","4","4","7","4","1") = "6"
    & skf21("3","7","5","4","4","7","5","1") = "6"
    & skf21("3","7","5","4","4","7","6","1") = "6"
    & skf21("3","7","5","4","4","7","7","1") = "6"
    & skf21("3","7","5","4","5","1","1","1") = "6"
    & skf21("3","7","5","4","5","1","2","1") = "6"
    & skf21("3","7","5","4","5","1","3","1") = "6"
    & skf21("3","7","5","4","5","1","4","1") = "6"
    & skf21("3","7","5","4","5","1","5","1") = "6"
    & skf21("3","7","5","4","5","1","6","1") = "6"
    & skf21("3","7","5","4","5","1","7","1") = "6"
    & skf21("3","7","5","4","5","2","1","1") = "6"
    & skf21("3","7","5","4","5","2","2","1") = "6"
    & skf21("3","7","5","4","5","2","3","1") = "6"
    & skf21("3","7","5","4","5","2","4","1") = "6"
    & skf21("3","7","5","4","5","2","5","1") = "6"
    & skf21("3","7","5","4","5","2","6","1") = "6"
    & skf21("3","7","5","4","5","2","7","1") = "6"
    & skf21("3","7","5","4","5","3","1","1") = "6"
    & skf21("3","7","5","4","5","3","2","1") = "6"
    & skf21("3","7","5","4","5","3","3","1") = "6"
    & skf21("3","7","5","4","5","3","4","1") = "6"
    & skf21("3","7","5","4","5","3","5","1") = "6"
    & skf21("3","7","5","4","5","3","6","1") = "6"
    & skf21("3","7","5","4","5","3","7","1") = "6"
    & skf21("3","7","5","4","5","4","1","1") = "6"
    & skf21("3","7","5","4","5","4","2","1") = "6"
    & skf21("3","7","5","4","5","4","3","1") = "6"
    & skf21("3","7","5","4","5","4","4","1") = "6"
    & skf21("3","7","5","4","5","4","5","1") = "6"
    & skf21("3","7","5","4","5","4","6","1") = "6"
    & skf21("3","7","5","4","5","4","7","1") = "6"
    & skf21("3","7","5","4","5","5","1","1") = "6"
    & skf21("3","7","5","4","5","5","2","1") = "6"
    & skf21("3","7","5","4","5","5","3","1") = "6"
    & skf21("3","7","5","4","5","5","4","1") = "6"
    & skf21("3","7","5","4","5","5","5","1") = "6"
    & skf21("3","7","5","4","5","5","6","1") = "6"
    & skf21("3","7","5","4","5","5","7","1") = "6"
    & skf21("3","7","5","4","5","6","1","1") = "6"
    & skf21("3","7","5","4","5","6","2","1") = "6"
    & skf21("3","7","5","4","5","6","3","1") = "6"
    & skf21("3","7","5","4","5","6","4","1") = "6"
    & skf21("3","7","5","4","5","6","5","1") = "6"
    & skf21("3","7","5","4","5","6","6","1") = "6"
    & skf21("3","7","5","4","5","6","7","1") = "6"
    & skf21("3","7","5","4","5","7","1","1") = "6"
    & skf21("3","7","5","4","5","7","2","1") = "6"
    & skf21("3","7","5","4","5","7","3","1") = "6"
    & skf21("3","7","5","4","5","7","4","1") = "6"
    & skf21("3","7","5","4","5","7","5","1") = "6"
    & skf21("3","7","5","4","5","7","6","1") = "6"
    & skf21("3","7","5","4","5","7","7","1") = "6"
    & skf21("3","7","5","4","6","1","1","1") = "6"
    & skf21("3","7","5","4","6","1","2","1") = "6"
    & skf21("3","7","5","4","6","1","3","1") = "6"
    & skf21("3","7","5","4","6","1","4","1") = "6"
    & skf21("3","7","5","4","6","1","5","1") = "6"
    & skf21("3","7","5","4","6","1","6","1") = "6"
    & skf21("3","7","5","4","6","1","7","1") = "6"
    & skf21("3","7","5","4","6","2","1","1") = "6"
    & skf21("3","7","5","4","6","2","2","1") = "6"
    & skf21("3","7","5","4","6","2","3","1") = "6"
    & skf21("3","7","5","4","6","2","4","1") = "6"
    & skf21("3","7","5","4","6","2","5","1") = "6"
    & skf21("3","7","5","4","6","2","6","1") = "6"
    & skf21("3","7","5","4","6","2","7","1") = "6"
    & skf21("3","7","5","4","6","3","1","1") = "6"
    & skf21("3","7","5","4","6","3","2","1") = "6"
    & skf21("3","7","5","4","6","3","3","1") = "6"
    & skf21("3","7","5","4","6","3","4","1") = "6"
    & skf21("3","7","5","4","6","3","5","1") = "6"
    & skf21("3","7","5","4","6","3","6","1") = "6"
    & skf21("3","7","5","4","6","3","7","1") = "6"
    & skf21("3","7","5","4","6","4","1","1") = "6"
    & skf21("3","7","5","4","6","4","2","1") = "6"
    & skf21("3","7","5","4","6","4","3","1") = "6"
    & skf21("3","7","5","4","6","4","4","1") = "6"
    & skf21("3","7","5","4","6","4","5","1") = "6"
    & skf21("3","7","5","4","6","4","6","1") = "6"
    & skf21("3","7","5","4","6","4","7","1") = "6"
    & skf21("3","7","5","4","6","5","1","1") = "6"
    & skf21("3","7","5","4","6","5","2","1") = "6"
    & skf21("3","7","5","4","6","5","3","1") = "6"
    & skf21("3","7","5","4","6","5","4","1") = "6"
    & skf21("3","7","5","4","6","5","5","1") = "6"
    & skf21("3","7","5","4","6","5","6","1") = "6"
    & skf21("3","7","5","4","6","5","7","1") = "6"
    & skf21("3","7","5","4","6","6","1","1") = "6"
    & skf21("3","7","5","4","6","6","2","1") = "6"
    & skf21("3","7","5","4","6","6","3","1") = "6"
    & skf21("3","7","5","4","6","6","4","1") = "6"
    & skf21("3","7","5","4","6","6","5","1") = "6"
    & skf21("3","7","5","4","6","6","6","1") = "6"
    & skf21("3","7","5","4","6","6","7","1") = "6"
    & skf21("3","7","5","4","6","7","1","1") = "6"
    & skf21("3","7","5","4","6","7","2","1") = "6"
    & skf21("3","7","5","4","6","7","3","1") = "6"
    & skf21("3","7","5","4","6","7","4","1") = "6"
    & skf21("3","7","5","4","6","7","5","1") = "6"
    & skf21("3","7","5","4","6","7","6","1") = "6"
    & skf21("3","7","5","4","6","7","7","1") = "6"
    & skf21("3","7","5","4","7","1","1","1") = "6"
    & skf21("3","7","5","4","7","1","2","1") = "6"
    & skf21("3","7","5","4","7","1","3","1") = "6"
    & skf21("3","7","5","4","7","1","4","1") = "6"
    & skf21("3","7","5","4","7","1","5","1") = "6"
    & skf21("3","7","5","4","7","1","6","1") = "6"
    & skf21("3","7","5","4","7","1","7","1") = "6"
    & skf21("3","7","5","4","7","2","1","1") = "6"
    & skf21("3","7","5","4","7","2","2","1") = "6"
    & skf21("3","7","5","4","7","2","3","1") = "6"
    & skf21("3","7","5","4","7","2","4","1") = "6"
    & skf21("3","7","5","4","7","2","5","1") = "6"
    & skf21("3","7","5","4","7","2","6","1") = "6"
    & skf21("3","7","5","4","7","2","7","1") = "6"
    & skf21("3","7","5","4","7","3","1","1") = "6"
    & skf21("3","7","5","4","7","3","2","1") = "6"
    & skf21("3","7","5","4","7","3","3","1") = "6"
    & skf21("3","7","5","4","7","3","4","1") = "6"
    & skf21("3","7","5","4","7","3","5","1") = "6"
    & skf21("3","7","5","4","7","3","6","1") = "6"
    & skf21("3","7","5","4","7","3","7","1") = "6"
    & skf21("3","7","5","4","7","4","1","1") = "6"
    & skf21("3","7","5","4","7","4","2","1") = "6"
    & skf21("3","7","5","4","7","4","3","1") = "6"
    & skf21("3","7","5","4","7","4","4","1") = "6"
    & skf21("3","7","5","4","7","4","5","1") = "6"
    & skf21("3","7","5","4","7","4","6","1") = "6"
    & skf21("3","7","5","4","7","4","7","1") = "6"
    & skf21("3","7","5","4","7","5","1","1") = "6"
    & skf21("3","7","5","4","7","5","2","1") = "6"
    & skf21("3","7","5","4","7","5","3","1") = "6"
    & skf21("3","7","5","4","7","5","4","1") = "6"
    & skf21("3","7","5","4","7","5","5","1") = "6"
    & skf21("3","7","5","4","7","5","6","1") = "6"
    & skf21("3","7","5","4","7","5","7","1") = "6"
    & skf21("3","7","5","4","7","6","1","1") = "6"
    & skf21("3","7","5","4","7","6","2","1") = "6"
    & skf21("3","7","5","4","7","6","3","1") = "6"
    & skf21("3","7","5","4","7","6","4","1") = "6"
    & skf21("3","7","5","4","7","6","5","1") = "6"
    & skf21("3","7","5","4","7","6","6","1") = "6"
    & skf21("3","7","5","4","7","6","7","1") = "6"
    & skf21("3","7","5","4","7","7","1","1") = "6"
    & skf21("3","7","5","4","7","7","2","1") = "6"
    & skf21("3","7","5","4","7","7","3","1") = "6"
    & skf21("3","7","5","4","7","7","4","1") = "6"
    & skf21("3","7","5","4","7","7","5","1") = "6"
    & skf21("3","7","5","4","7","7","6","1") = "6"
    & skf21("3","7","5","4","7","7","7","1") = "6"
    & skf21("3","7","5","5","1","1","1","1") = "6"
    & skf21("3","7","5","5","1","1","2","1") = "6"
    & skf21("3","7","5","5","1","1","3","1") = "6"
    & skf21("3","7","5","5","1","1","4","1") = "6"
    & skf21("3","7","5","5","1","1","5","1") = "6"
    & skf21("3","7","5","5","1","1","6","1") = "6"
    & skf21("3","7","5","5","1","1","7","1") = "6"
    & skf21("3","7","5","5","1","2","1","1") = "6"
    & skf21("3","7","5","5","1","2","2","1") = "6"
    & skf21("3","7","5","5","1","2","3","1") = "6"
    & skf21("3","7","5","5","1","2","4","1") = "6"
    & skf21("3","7","5","5","1","2","5","1") = "6"
    & skf21("3","7","5","5","1","2","6","1") = "6"
    & skf21("3","7","5","5","1","2","7","1") = "6"
    & skf21("3","7","5","5","1","3","1","1") = "6"
    & skf21("3","7","5","5","1","3","2","1") = "6"
    & skf21("3","7","5","5","1","3","3","1") = "6"
    & skf21("3","7","5","5","1","3","4","1") = "6"
    & skf21("3","7","5","5","1","3","5","1") = "6"
    & skf21("3","7","5","5","1","3","6","1") = "6"
    & skf21("3","7","5","5","1","3","7","1") = "6"
    & skf21("3","7","5","5","1","4","1","1") = "6"
    & skf21("3","7","5","5","1","4","2","1") = "6"
    & skf21("3","7","5","5","1","4","3","1") = "6"
    & skf21("3","7","5","5","1","4","4","1") = "6"
    & skf21("3","7","5","5","1","4","5","1") = "6"
    & skf21("3","7","5","5","1","4","6","1") = "6"
    & skf21("3","7","5","5","1","4","7","1") = "6"
    & skf21("3","7","5","5","1","5","1","1") = "6"
    & skf21("3","7","5","5","1","5","2","1") = "6"
    & skf21("3","7","5","5","1","5","3","1") = "6"
    & skf21("3","7","5","5","1","5","4","1") = "6"
    & skf21("3","7","5","5","1","5","5","1") = "6"
    & skf21("3","7","5","5","1","5","6","1") = "6"
    & skf21("3","7","5","5","1","5","7","1") = "6"
    & skf21("3","7","5","5","1","6","1","1") = "6"
    & skf21("3","7","5","5","1","6","2","1") = "6"
    & skf21("3","7","5","5","1","6","3","1") = "6"
    & skf21("3","7","5","5","1","6","4","1") = "6"
    & skf21("3","7","5","5","1","6","5","1") = "6"
    & skf21("3","7","5","5","1","6","6","1") = "6"
    & skf21("3","7","5","5","1","6","7","1") = "6"
    & skf21("3","7","5","5","1","7","1","1") = "6"
    & skf21("3","7","5","5","1","7","2","1") = "6"
    & skf21("3","7","5","5","1","7","3","1") = "6"
    & skf21("3","7","5","5","1","7","4","1") = "6"
    & skf21("3","7","5","5","1","7","5","1") = "6"
    & skf21("3","7","5","5","1","7","6","1") = "6"
    & skf21("3","7","5","5","1","7","7","1") = "6"
    & skf21("3","7","5","5","2","1","1","1") = "6"
    & skf21("3","7","5","5","2","1","2","1") = "6"
    & skf21("3","7","5","5","2","1","3","1") = "6"
    & skf21("3","7","5","5","2","1","4","1") = "6"
    & skf21("3","7","5","5","2","1","5","1") = "6"
    & skf21("3","7","5","5","2","1","6","1") = "6"
    & skf21("3","7","5","5","2","1","7","1") = "6"
    & skf21("3","7","5","5","2","2","1","1") = "6"
    & skf21("3","7","5","5","2","2","2","1") = "6"
    & skf21("3","7","5","5","2","2","3","1") = "6"
    & skf21("3","7","5","5","2","2","4","1") = "6"
    & skf21("3","7","5","5","2","2","5","1") = "6"
    & skf21("3","7","5","5","2","2","6","1") = "6"
    & skf21("3","7","5","5","2","2","7","1") = "6"
    & skf21("3","7","5","5","2","3","1","1") = "6"
    & skf21("3","7","5","5","2","3","2","1") = "6"
    & skf21("3","7","5","5","2","3","3","1") = "6"
    & skf21("3","7","5","5","2","3","4","1") = "6"
    & skf21("3","7","5","5","2","3","5","1") = "6"
    & skf21("3","7","5","5","2","3","6","1") = "6"
    & skf21("3","7","5","5","2","3","7","1") = "6"
    & skf21("3","7","5","5","2","4","1","1") = "6"
    & skf21("3","7","5","5","2","4","2","1") = "6"
    & skf21("3","7","5","5","2","4","3","1") = "6"
    & skf21("3","7","5","5","2","4","4","1") = "6"
    & skf21("3","7","5","5","2","4","5","1") = "6"
    & skf21("3","7","5","5","2","4","6","1") = "6"
    & skf21("3","7","5","5","2","4","7","1") = "6"
    & skf21("3","7","5","5","2","5","1","1") = "6"
    & skf21("3","7","5","5","2","5","2","1") = "6"
    & skf21("3","7","5","5","2","5","3","1") = "6"
    & skf21("3","7","5","5","2","5","4","1") = "6"
    & skf21("3","7","5","5","2","5","5","1") = "6"
    & skf21("3","7","5","5","2","5","6","1") = "6"
    & skf21("3","7","5","5","2","5","7","1") = "6"
    & skf21("3","7","5","5","2","6","1","1") = "6"
    & skf21("3","7","5","5","2","6","2","1") = "6"
    & skf21("3","7","5","5","2","6","3","1") = "6"
    & skf21("3","7","5","5","2","6","4","1") = "6"
    & skf21("3","7","5","5","2","6","5","1") = "6"
    & skf21("3","7","5","5","2","6","6","1") = "6"
    & skf21("3","7","5","5","2","6","7","1") = "6"
    & skf21("3","7","5","5","2","7","1","1") = "6"
    & skf21("3","7","5","5","2","7","2","1") = "6"
    & skf21("3","7","5","5","2","7","3","1") = "6"
    & skf21("3","7","5","5","2","7","4","1") = "6"
    & skf21("3","7","5","5","2","7","5","1") = "6"
    & skf21("3","7","5","5","2","7","6","1") = "6"
    & skf21("3","7","5","5","2","7","7","1") = "6"
    & skf21("3","7","5","5","3","1","1","1") = "6"
    & skf21("3","7","5","5","3","1","2","1") = "6"
    & skf21("3","7","5","5","3","1","3","1") = "6"
    & skf21("3","7","5","5","3","1","4","1") = "6"
    & skf21("3","7","5","5","3","1","5","1") = "6"
    & skf21("3","7","5","5","3","1","6","1") = "6"
    & skf21("3","7","5","5","3","1","7","1") = "6"
    & skf21("3","7","5","5","3","2","1","1") = "6"
    & skf21("3","7","5","5","3","2","2","1") = "6"
    & skf21("3","7","5","5","3","2","3","1") = "6"
    & skf21("3","7","5","5","3","2","4","1") = "6"
    & skf21("3","7","5","5","3","2","5","1") = "6"
    & skf21("3","7","5","5","3","2","6","1") = "6"
    & skf21("3","7","5","5","3","2","7","1") = "6"
    & skf21("3","7","5","5","3","3","1","1") = "6"
    & skf21("3","7","5","5","3","3","2","1") = "6"
    & skf21("3","7","5","5","3","3","3","1") = "6"
    & skf21("3","7","5","5","3","3","4","1") = "6"
    & skf21("3","7","5","5","3","3","5","1") = "6"
    & skf21("3","7","5","5","3","3","6","1") = "6"
    & skf21("3","7","5","5","3","3","7","1") = "6"
    & skf21("3","7","5","5","3","4","1","1") = "6"
    & skf21("3","7","5","5","3","4","2","1") = "6"
    & skf21("3","7","5","5","3","4","3","1") = "6"
    & skf21("3","7","5","5","3","4","4","1") = "6"
    & skf21("3","7","5","5","3","4","5","1") = "6"
    & skf21("3","7","5","5","3","4","6","1") = "6"
    & skf21("3","7","5","5","3","4","7","1") = "6"
    & skf21("3","7","5","5","3","5","1","1") = "6"
    & skf21("3","7","5","5","3","5","2","1") = "6"
    & skf21("3","7","5","5","3","5","3","1") = "6"
    & skf21("3","7","5","5","3","5","4","1") = "6"
    & skf21("3","7","5","5","3","5","5","1") = "6"
    & skf21("3","7","5","5","3","5","6","1") = "6"
    & skf21("3","7","5","5","3","5","7","1") = "6"
    & skf21("3","7","5","5","3","6","1","1") = "6"
    & skf21("3","7","5","5","3","6","2","1") = "6"
    & skf21("3","7","5","5","3","6","3","1") = "6"
    & skf21("3","7","5","5","3","6","4","1") = "6"
    & skf21("3","7","5","5","3","6","5","1") = "6"
    & skf21("3","7","5","5","3","6","6","1") = "6"
    & skf21("3","7","5","5","3","6","7","1") = "6"
    & skf21("3","7","5","5","3","7","1","1") = "6"
    & skf21("3","7","5","5","3","7","2","1") = "6"
    & skf21("3","7","5","5","3","7","3","1") = "6"
    & skf21("3","7","5","5","3","7","4","1") = "6"
    & skf21("3","7","5","5","3","7","5","1") = "6"
    & skf21("3","7","5","5","3","7","6","1") = "6"
    & skf21("3","7","5","5","3","7","7","1") = "6"
    & skf21("3","7","5","5","4","1","1","1") = "6"
    & skf21("3","7","5","5","4","1","2","1") = "6"
    & skf21("3","7","5","5","4","1","3","1") = "6"
    & skf21("3","7","5","5","4","1","4","1") = "6"
    & skf21("3","7","5","5","4","1","5","1") = "6"
    & skf21("3","7","5","5","4","1","6","1") = "6"
    & skf21("3","7","5","5","4","1","7","1") = "6"
    & skf21("3","7","5","5","4","2","1","1") = "6"
    & skf21("3","7","5","5","4","2","2","1") = "6"
    & skf21("3","7","5","5","4","2","3","1") = "6"
    & skf21("3","7","5","5","4","2","4","1") = "6"
    & skf21("3","7","5","5","4","2","5","1") = "6"
    & skf21("3","7","5","5","4","2","6","1") = "6"
    & skf21("3","7","5","5","4","2","7","1") = "6"
    & skf21("3","7","5","5","4","3","1","1") = "6"
    & skf21("3","7","5","5","4","3","2","1") = "6"
    & skf21("3","7","5","5","4","3","3","1") = "6"
    & skf21("3","7","5","5","4","3","4","1") = "6"
    & skf21("3","7","5","5","4","3","5","1") = "6"
    & skf21("3","7","5","5","4","3","6","1") = "6"
    & skf21("3","7","5","5","4","3","7","1") = "6"
    & skf21("3","7","5","5","4","4","1","1") = "6"
    & skf21("3","7","5","5","4","4","2","1") = "6"
    & skf21("3","7","5","5","4","4","3","1") = "6"
    & skf21("3","7","5","5","4","4","4","1") = "6"
    & skf21("3","7","5","5","4","4","5","1") = "6"
    & skf21("3","7","5","5","4","4","6","1") = "6"
    & skf21("3","7","5","5","4","4","7","1") = "6"
    & skf21("3","7","5","5","4","5","1","1") = "6"
    & skf21("3","7","5","5","4","5","2","1") = "6"
    & skf21("3","7","5","5","4","5","3","1") = "6"
    & skf21("3","7","5","5","4","5","4","1") = "6"
    & skf21("3","7","5","5","4","5","5","1") = "6"
    & skf21("3","7","5","5","4","5","6","1") = "6"
    & skf21("3","7","5","5","4","5","7","1") = "6"
    & skf21("3","7","5","5","4","6","1","1") = "6"
    & skf21("3","7","5","5","4","6","2","1") = "6"
    & skf21("3","7","5","5","4","6","3","1") = "6"
    & skf21("3","7","5","5","4","6","4","1") = "6"
    & skf21("3","7","5","5","4","6","5","1") = "6"
    & skf21("3","7","5","5","4","6","6","1") = "6"
    & skf21("3","7","5","5","4","6","7","1") = "6"
    & skf21("3","7","5","5","4","7","1","1") = "6"
    & skf21("3","7","5","5","4","7","2","1") = "6"
    & skf21("3","7","5","5","4","7","3","1") = "6"
    & skf21("3","7","5","5","4","7","4","1") = "6"
    & skf21("3","7","5","5","4","7","5","1") = "6"
    & skf21("3","7","5","5","4","7","6","1") = "6"
    & skf21("3","7","5","5","4","7","7","1") = "6"
    & skf21("3","7","5","5","5","1","1","1") = "6"
    & skf21("3","7","5","5","5","1","2","1") = "6"
    & skf21("3","7","5","5","5","1","3","1") = "6"
    & skf21("3","7","5","5","5","1","4","1") = "6"
    & skf21("3","7","5","5","5","1","5","1") = "6"
    & skf21("3","7","5","5","5","1","6","1") = "6"
    & skf21("3","7","5","5","5","1","7","1") = "6"
    & skf21("3","7","5","5","5","2","1","1") = "6"
    & skf21("3","7","5","5","5","2","2","1") = "6"
    & skf21("3","7","5","5","5","2","3","1") = "6"
    & skf21("3","7","5","5","5","2","4","1") = "6"
    & skf21("3","7","5","5","5","2","5","1") = "6"
    & skf21("3","7","5","5","5","2","6","1") = "6"
    & skf21("3","7","5","5","5","2","7","1") = "6"
    & skf21("3","7","5","5","5","3","1","1") = "6"
    & skf21("3","7","5","5","5","3","2","1") = "6"
    & skf21("3","7","5","5","5","3","3","1") = "6"
    & skf21("3","7","5","5","5","3","4","1") = "6"
    & skf21("3","7","5","5","5","3","5","1") = "6"
    & skf21("3","7","5","5","5","3","6","1") = "6"
    & skf21("3","7","5","5","5","3","7","1") = "6"
    & skf21("3","7","5","5","5","4","1","1") = "6"
    & skf21("3","7","5","5","5","4","2","1") = "6"
    & skf21("3","7","5","5","5","4","3","1") = "6"
    & skf21("3","7","5","5","5","4","4","1") = "6"
    & skf21("3","7","5","5","5","4","5","1") = "6"
    & skf21("3","7","5","5","5","4","6","1") = "6"
    & skf21("3","7","5","5","5","4","7","1") = "6"
    & skf21("3","7","5","5","5","5","1","1") = "6"
    & skf21("3","7","5","5","5","5","2","1") = "6"
    & skf21("3","7","5","5","5","5","3","1") = "6"
    & skf21("3","7","5","5","5","5","4","1") = "6"
    & skf21("3","7","5","5","5","5","5","1") = "6"
    & skf21("3","7","5","5","5","5","6","1") = "6"
    & skf21("3","7","5","5","5","5","7","1") = "6"
    & skf21("3","7","5","5","5","6","1","1") = "6"
    & skf21("3","7","5","5","5","6","2","1") = "6"
    & skf21("3","7","5","5","5","6","3","1") = "6"
    & skf21("3","7","5","5","5","6","4","1") = "6"
    & skf21("3","7","5","5","5","6","5","1") = "6"
    & skf21("3","7","5","5","5","6","6","1") = "6"
    & skf21("3","7","5","5","5","6","7","1") = "6"
    & skf21("3","7","5","5","5","7","1","1") = "6"
    & skf21("3","7","5","5","5","7","2","1") = "6"
    & skf21("3","7","5","5","5","7","3","1") = "6"
    & skf21("3","7","5","5","5","7","4","1") = "6"
    & skf21("3","7","5","5","5","7","5","1") = "6"
    & skf21("3","7","5","5","5","7","6","1") = "6"
    & skf21("3","7","5","5","5","7","7","1") = "6"
    & skf21("3","7","5","5","6","1","1","1") = "6"
    & skf21("3","7","5","5","6","1","2","1") = "6"
    & skf21("3","7","5","5","6","1","3","1") = "6"
    & skf21("3","7","5","5","6","1","4","1") = "6"
    & skf21("3","7","5","5","6","1","5","1") = "6"
    & skf21("3","7","5","5","6","1","6","1") = "6"
    & skf21("3","7","5","5","6","1","7","1") = "6"
    & skf21("3","7","5","5","6","2","1","1") = "6"
    & skf21("3","7","5","5","6","2","2","1") = "6"
    & skf21("3","7","5","5","6","2","3","1") = "6"
    & skf21("3","7","5","5","6","2","4","1") = "6"
    & skf21("3","7","5","5","6","2","5","1") = "6"
    & skf21("3","7","5","5","6","2","6","1") = "6"
    & skf21("3","7","5","5","6","2","7","1") = "6"
    & skf21("3","7","5","5","6","3","1","1") = "6"
    & skf21("3","7","5","5","6","3","2","1") = "6"
    & skf21("3","7","5","5","6","3","3","1") = "6"
    & skf21("3","7","5","5","6","3","4","1") = "6"
    & skf21("3","7","5","5","6","3","5","1") = "6"
    & skf21("3","7","5","5","6","3","6","1") = "6"
    & skf21("3","7","5","5","6","3","7","1") = "6"
    & skf21("3","7","5","5","6","4","1","1") = "6"
    & skf21("3","7","5","5","6","4","2","1") = "6"
    & skf21("3","7","5","5","6","4","3","1") = "6"
    & skf21("3","7","5","5","6","4","4","1") = "6"
    & skf21("3","7","5","5","6","4","5","1") = "6"
    & skf21("3","7","5","5","6","4","6","1") = "6"
    & skf21("3","7","5","5","6","4","7","1") = "6"
    & skf21("3","7","5","5","6","5","1","1") = "6"
    & skf21("3","7","5","5","6","5","2","1") = "6"
    & skf21("3","7","5","5","6","5","3","1") = "6"
    & skf21("3","7","5","5","6","5","4","1") = "6"
    & skf21("3","7","5","5","6","5","5","1") = "6"
    & skf21("3","7","5","5","6","5","6","1") = "6"
    & skf21("3","7","5","5","6","5","7","1") = "6"
    & skf21("3","7","5","5","6","6","1","1") = "6"
    & skf21("3","7","5","5","6","6","2","1") = "6"
    & skf21("3","7","5","5","6","6","3","1") = "6"
    & skf21("3","7","5","5","6","6","4","1") = "6"
    & skf21("3","7","5","5","6","6","5","1") = "6"
    & skf21("3","7","5","5","6","6","6","1") = "6"
    & skf21("3","7","5","5","6","6","7","1") = "6"
    & skf21("3","7","5","5","6","7","1","1") = "6"
    & skf21("3","7","5","5","6","7","2","1") = "6"
    & skf21("3","7","5","5","6","7","3","1") = "6"
    & skf21("3","7","5","5","6","7","4","1") = "6"
    & skf21("3","7","5","5","6","7","5","1") = "6"
    & skf21("3","7","5","5","6","7","6","1") = "6"
    & skf21("3","7","5","5","6","7","7","1") = "6"
    & skf21("3","7","5","5","7","1","1","1") = "6"
    & skf21("3","7","5","5","7","1","2","1") = "6"
    & skf21("3","7","5","5","7","1","3","1") = "6"
    & skf21("3","7","5","5","7","1","4","1") = "6"
    & skf21("3","7","5","5","7","1","5","1") = "6"
    & skf21("3","7","5","5","7","1","6","1") = "6"
    & skf21("3","7","5","5","7","1","7","1") = "6"
    & skf21("3","7","5","5","7","2","1","1") = "6"
    & skf21("3","7","5","5","7","2","2","1") = "6"
    & skf21("3","7","5","5","7","2","3","1") = "6"
    & skf21("3","7","5","5","7","2","4","1") = "6"
    & skf21("3","7","5","5","7","2","5","1") = "6"
    & skf21("3","7","5","5","7","2","6","1") = "6"
    & skf21("3","7","5","5","7","2","7","1") = "6"
    & skf21("3","7","5","5","7","3","1","1") = "6"
    & skf21("3","7","5","5","7","3","2","1") = "6"
    & skf21("3","7","5","5","7","3","3","1") = "6"
    & skf21("3","7","5","5","7","3","4","1") = "6"
    & skf21("3","7","5","5","7","3","5","1") = "6"
    & skf21("3","7","5","5","7","3","6","1") = "6"
    & skf21("3","7","5","5","7","3","7","1") = "6"
    & skf21("3","7","5","5","7","4","1","1") = "6"
    & skf21("3","7","5","5","7","4","2","1") = "6"
    & skf21("3","7","5","5","7","4","3","1") = "6"
    & skf21("3","7","5","5","7","4","4","1") = "6"
    & skf21("3","7","5","5","7","4","5","1") = "6"
    & skf21("3","7","5","5","7","4","6","1") = "6"
    & skf21("3","7","5","5","7","4","7","1") = "6"
    & skf21("3","7","5","5","7","5","1","1") = "6"
    & skf21("3","7","5","5","7","5","2","1") = "6"
    & skf21("3","7","5","5","7","5","3","1") = "6"
    & skf21("3","7","5","5","7","5","4","1") = "6"
    & skf21("3","7","5","5","7","5","5","1") = "6"
    & skf21("3","7","5","5","7","5","6","1") = "6"
    & skf21("3","7","5","5","7","5","7","1") = "6"
    & skf21("3","7","5","5","7","6","1","1") = "6"
    & skf21("3","7","5","5","7","6","2","1") = "6"
    & skf21("3","7","5","5","7","6","3","1") = "6"
    & skf21("3","7","5","5","7","6","4","1") = "6"
    & skf21("3","7","5","5","7","6","5","1") = "6"
    & skf21("3","7","5","5","7","6","6","1") = "6"
    & skf21("3","7","5","5","7","6","7","1") = "6"
    & skf21("3","7","5","5","7","7","1","1") = "6"
    & skf21("3","7","5","5","7","7","2","1") = "6"
    & skf21("3","7","5","5","7","7","3","1") = "6"
    & skf21("3","7","5","5","7","7","4","1") = "6"
    & skf21("3","7","5","5","7","7","5","1") = "6"
    & skf21("3","7","5","5","7","7","6","1") = "6"
    & skf21("3","7","5","5","7","7","7","1") = "6"
    & skf21("3","7","5","6","1","1","1","1") = "6"
    & skf21("3","7","5","6","1","1","2","1") = "6"
    & skf21("3","7","5","6","1","1","3","1") = "6"
    & skf21("3","7","5","6","1","1","4","1") = "6"
    & skf21("3","7","5","6","1","1","5","1") = "6"
    & skf21("3","7","5","6","1","1","6","1") = "6"
    & skf21("3","7","5","6","1","1","7","1") = "6"
    & skf21("3","7","5","6","1","2","1","1") = "6"
    & skf21("3","7","5","6","1","2","2","1") = "6"
    & skf21("3","7","5","6","1","2","3","1") = "6"
    & skf21("3","7","5","6","1","2","4","1") = "6"
    & skf21("3","7","5","6","1","2","5","1") = "6"
    & skf21("3","7","5","6","1","2","6","1") = "6"
    & skf21("3","7","5","6","1","2","7","1") = "6"
    & skf21("3","7","5","6","1","3","1","1") = "6"
    & skf21("3","7","5","6","1","3","2","1") = "6"
    & skf21("3","7","5","6","1","3","3","1") = "6"
    & skf21("3","7","5","6","1","3","4","1") = "6"
    & skf21("3","7","5","6","1","3","5","1") = "6"
    & skf21("3","7","5","6","1","3","6","1") = "6"
    & skf21("3","7","5","6","1","3","7","1") = "6"
    & skf21("3","7","5","6","1","4","1","1") = "6"
    & skf21("3","7","5","6","1","4","2","1") = "6"
    & skf21("3","7","5","6","1","4","3","1") = "6"
    & skf21("3","7","5","6","1","4","4","1") = "6"
    & skf21("3","7","5","6","1","4","5","1") = "6"
    & skf21("3","7","5","6","1","4","6","1") = "6"
    & skf21("3","7","5","6","1","4","7","1") = "6"
    & skf21("3","7","5","6","1","5","1","1") = "6"
    & skf21("3","7","5","6","1","5","2","1") = "6"
    & skf21("3","7","5","6","1","5","3","1") = "6"
    & skf21("3","7","5","6","1","5","4","1") = "6"
    & skf21("3","7","5","6","1","5","5","1") = "6"
    & skf21("3","7","5","6","1","5","6","1") = "6"
    & skf21("3","7","5","6","1","5","7","1") = "6"
    & skf21("3","7","5","6","1","6","1","1") = "6"
    & skf21("3","7","5","6","1","6","2","1") = "6"
    & skf21("3","7","5","6","1","6","3","1") = "6"
    & skf21("3","7","5","6","1","6","4","1") = "6"
    & skf21("3","7","5","6","1","6","5","1") = "6"
    & skf21("3","7","5","6","1","6","6","1") = "6"
    & skf21("3","7","5","6","1","6","7","1") = "6"
    & skf21("3","7","5","6","1","7","1","1") = "6"
    & skf21("3","7","5","6","1","7","2","1") = "6"
    & skf21("3","7","5","6","1","7","3","1") = "6"
    & skf21("3","7","5","6","1","7","4","1") = "6"
    & skf21("3","7","5","6","1","7","5","1") = "6"
    & skf21("3","7","5","6","1","7","6","1") = "6"
    & skf21("3","7","5","6","1","7","7","1") = "6"
    & skf21("3","7","5","6","2","1","1","1") = "6"
    & skf21("3","7","5","6","2","1","2","1") = "6"
    & skf21("3","7","5","6","2","1","3","1") = "6"
    & skf21("3","7","5","6","2","1","4","1") = "6"
    & skf21("3","7","5","6","2","1","5","1") = "6"
    & skf21("3","7","5","6","2","1","6","1") = "6"
    & skf21("3","7","5","6","2","1","7","1") = "6"
    & skf21("3","7","5","6","2","2","1","1") = "6"
    & skf21("3","7","5","6","2","2","2","1") = "6"
    & skf21("3","7","5","6","2","2","3","1") = "6"
    & skf21("3","7","5","6","2","2","4","1") = "6"
    & skf21("3","7","5","6","2","2","5","1") = "6"
    & skf21("3","7","5","6","2","2","6","1") = "6"
    & skf21("3","7","5","6","2","2","7","1") = "6"
    & skf21("3","7","5","6","2","3","1","1") = "6"
    & skf21("3","7","5","6","2","3","2","1") = "6"
    & skf21("3","7","5","6","2","3","3","1") = "6"
    & skf21("3","7","5","6","2","3","4","1") = "6"
    & skf21("3","7","5","6","2","3","5","1") = "6"
    & skf21("3","7","5","6","2","3","6","1") = "6"
    & skf21("3","7","5","6","2","3","7","1") = "6"
    & skf21("3","7","5","6","2","4","1","1") = "6"
    & skf21("3","7","5","6","2","4","2","1") = "6"
    & skf21("3","7","5","6","2","4","3","1") = "6"
    & skf21("3","7","5","6","2","4","4","1") = "6"
    & skf21("3","7","5","6","2","4","5","1") = "6"
    & skf21("3","7","5","6","2","4","6","1") = "6"
    & skf21("3","7","5","6","2","4","7","1") = "6"
    & skf21("3","7","5","6","2","5","1","1") = "6"
    & skf21("3","7","5","6","2","5","2","1") = "6"
    & skf21("3","7","5","6","2","5","3","1") = "6"
    & skf21("3","7","5","6","2","5","4","1") = "6"
    & skf21("3","7","5","6","2","5","5","1") = "6"
    & skf21("3","7","5","6","2","5","6","1") = "6"
    & skf21("3","7","5","6","2","5","7","1") = "6"
    & skf21("3","7","5","6","2","6","1","1") = "6"
    & skf21("3","7","5","6","2","6","2","1") = "6"
    & skf21("3","7","5","6","2","6","3","1") = "6"
    & skf21("3","7","5","6","2","6","4","1") = "6"
    & skf21("3","7","5","6","2","6","5","1") = "6"
    & skf21("3","7","5","6","2","6","6","1") = "6"
    & skf21("3","7","5","6","2","6","7","1") = "6"
    & skf21("3","7","5","6","2","7","1","1") = "6"
    & skf21("3","7","5","6","2","7","2","1") = "6"
    & skf21("3","7","5","6","2","7","3","1") = "6"
    & skf21("3","7","5","6","2","7","4","1") = "6"
    & skf21("3","7","5","6","2","7","5","1") = "6"
    & skf21("3","7","5","6","2","7","6","1") = "6"
    & skf21("3","7","5","6","2","7","7","1") = "6"
    & skf21("3","7","5","6","3","1","1","1") = "6"
    & skf21("3","7","5","6","3","1","2","1") = "6"
    & skf21("3","7","5","6","3","1","3","1") = "6"
    & skf21("3","7","5","6","3","1","4","1") = "6"
    & skf21("3","7","5","6","3","1","5","1") = "6"
    & skf21("3","7","5","6","3","1","6","1") = "6"
    & skf21("3","7","5","6","3","1","7","1") = "6"
    & skf21("3","7","5","6","3","2","1","1") = "6"
    & skf21("3","7","5","6","3","2","2","1") = "6"
    & skf21("3","7","5","6","3","2","3","1") = "6"
    & skf21("3","7","5","6","3","2","4","1") = "6"
    & skf21("3","7","5","6","3","2","5","1") = "6"
    & skf21("3","7","5","6","3","2","6","1") = "6"
    & skf21("3","7","5","6","3","2","7","1") = "6"
    & skf21("3","7","5","6","3","3","1","1") = "6"
    & skf21("3","7","5","6","3","3","2","1") = "6"
    & skf21("3","7","5","6","3","3","3","1") = "6"
    & skf21("3","7","5","6","3","3","4","1") = "6"
    & skf21("3","7","5","6","3","3","5","1") = "6"
    & skf21("3","7","5","6","3","3","6","1") = "6"
    & skf21("3","7","5","6","3","3","7","1") = "6"
    & skf21("3","7","5","6","3","4","1","1") = "6"
    & skf21("3","7","5","6","3","4","2","1") = "6"
    & skf21("3","7","5","6","3","4","3","1") = "6"
    & skf21("3","7","5","6","3","4","4","1") = "6"
    & skf21("3","7","5","6","3","4","5","1") = "6"
    & skf21("3","7","5","6","3","4","6","1") = "6"
    & skf21("3","7","5","6","3","4","7","1") = "6"
    & skf21("3","7","5","6","3","5","1","1") = "6"
    & skf21("3","7","5","6","3","5","2","1") = "6"
    & skf21("3","7","5","6","3","5","3","1") = "6"
    & skf21("3","7","5","6","3","5","4","1") = "6"
    & skf21("3","7","5","6","3","5","5","1") = "6"
    & skf21("3","7","5","6","3","5","6","1") = "6"
    & skf21("3","7","5","6","3","5","7","1") = "6"
    & skf21("3","7","5","6","3","6","1","1") = "6"
    & skf21("3","7","5","6","3","6","2","1") = "6"
    & skf21("3","7","5","6","3","6","3","1") = "6"
    & skf21("3","7","5","6","3","6","4","1") = "6"
    & skf21("3","7","5","6","3","6","5","1") = "6"
    & skf21("3","7","5","6","3","6","6","1") = "6"
    & skf21("3","7","5","6","3","6","7","1") = "6"
    & skf21("3","7","5","6","3","7","1","1") = "6"
    & skf21("3","7","5","6","3","7","2","1") = "6"
    & skf21("3","7","5","6","3","7","3","1") = "6"
    & skf21("3","7","5","6","3","7","4","1") = "6"
    & skf21("3","7","5","6","3","7","5","1") = "6"
    & skf21("3","7","5","6","3","7","6","1") = "6"
    & skf21("3","7","5","6","3","7","7","1") = "6"
    & skf21("3","7","5","6","4","1","1","1") = "6"
    & skf21("3","7","5","6","4","1","2","1") = "6"
    & skf21("3","7","5","6","4","1","3","1") = "6"
    & skf21("3","7","5","6","4","1","4","1") = "6"
    & skf21("3","7","5","6","4","1","5","1") = "6"
    & skf21("3","7","5","6","4","1","6","1") = "6"
    & skf21("3","7","5","6","4","1","7","1") = "6"
    & skf21("3","7","5","6","4","2","1","1") = "6"
    & skf21("3","7","5","6","4","2","2","1") = "6"
    & skf21("3","7","5","6","4","2","3","1") = "6"
    & skf21("3","7","5","6","4","2","4","1") = "6"
    & skf21("3","7","5","6","4","2","5","1") = "6"
    & skf21("3","7","5","6","4","2","6","1") = "6"
    & skf21("3","7","5","6","4","2","7","1") = "6"
    & skf21("3","7","5","6","4","3","1","1") = "6"
    & skf21("3","7","5","6","4","3","2","1") = "6"
    & skf21("3","7","5","6","4","3","3","1") = "6"
    & skf21("3","7","5","6","4","3","4","1") = "6"
    & skf21("3","7","5","6","4","3","5","1") = "6"
    & skf21("3","7","5","6","4","3","6","1") = "6"
    & skf21("3","7","5","6","4","3","7","1") = "6"
    & skf21("3","7","5","6","4","4","1","1") = "6"
    & skf21("3","7","5","6","4","4","2","1") = "6"
    & skf21("3","7","5","6","4","4","3","1") = "6"
    & skf21("3","7","5","6","4","4","4","1") = "6"
    & skf21("3","7","5","6","4","4","5","1") = "6"
    & skf21("3","7","5","6","4","4","6","1") = "6"
    & skf21("3","7","5","6","4","4","7","1") = "6"
    & skf21("3","7","5","6","4","5","1","1") = "6"
    & skf21("3","7","5","6","4","5","2","1") = "6"
    & skf21("3","7","5","6","4","5","3","1") = "6"
    & skf21("3","7","5","6","4","5","4","1") = "6"
    & skf21("3","7","5","6","4","5","5","1") = "6"
    & skf21("3","7","5","6","4","5","6","1") = "6"
    & skf21("3","7","5","6","4","5","7","1") = "6"
    & skf21("3","7","5","6","4","6","1","1") = "6"
    & skf21("3","7","5","6","4","6","2","1") = "6"
    & skf21("3","7","5","6","4","6","3","1") = "6"
    & skf21("3","7","5","6","4","6","4","1") = "6"
    & skf21("3","7","5","6","4","6","5","1") = "6"
    & skf21("3","7","5","6","4","6","6","1") = "6"
    & skf21("3","7","5","6","4","6","7","1") = "6"
    & skf21("3","7","5","6","4","7","1","1") = "6"
    & skf21("3","7","5","6","4","7","2","1") = "6"
    & skf21("3","7","5","6","4","7","3","1") = "6"
    & skf21("3","7","5","6","4","7","4","1") = "6"
    & skf21("3","7","5","6","4","7","5","1") = "6"
    & skf21("3","7","5","6","4","7","6","1") = "6"
    & skf21("3","7","5","6","4","7","7","1") = "6"
    & skf21("3","7","5","6","5","1","1","1") = "6"
    & skf21("3","7","5","6","5","1","2","1") = "6"
    & skf21("3","7","5","6","5","1","3","1") = "6"
    & skf21("3","7","5","6","5","1","4","1") = "6"
    & skf21("3","7","5","6","5","1","5","1") = "6"
    & skf21("3","7","5","6","5","1","6","1") = "6"
    & skf21("3","7","5","6","5","1","7","1") = "6"
    & skf21("3","7","5","6","5","2","1","1") = "6"
    & skf21("3","7","5","6","5","2","2","1") = "6"
    & skf21("3","7","5","6","5","2","3","1") = "6"
    & skf21("3","7","5","6","5","2","4","1") = "6"
    & skf21("3","7","5","6","5","2","5","1") = "6"
    & skf21("3","7","5","6","5","2","6","1") = "6"
    & skf21("3","7","5","6","5","2","7","1") = "6"
    & skf21("3","7","5","6","5","3","1","1") = "6"
    & skf21("3","7","5","6","5","3","2","1") = "6"
    & skf21("3","7","5","6","5","3","3","1") = "6"
    & skf21("3","7","5","6","5","3","4","1") = "6"
    & skf21("3","7","5","6","5","3","5","1") = "6"
    & skf21("3","7","5","6","5","3","6","1") = "6"
    & skf21("3","7","5","6","5","3","7","1") = "6"
    & skf21("3","7","5","6","5","4","1","1") = "6"
    & skf21("3","7","5","6","5","4","2","1") = "6"
    & skf21("3","7","5","6","5","4","3","1") = "6"
    & skf21("3","7","5","6","5","4","4","1") = "6"
    & skf21("3","7","5","6","5","4","5","1") = "6"
    & skf21("3","7","5","6","5","4","6","1") = "6"
    & skf21("3","7","5","6","5","4","7","1") = "6"
    & skf21("3","7","5","6","5","5","1","1") = "6"
    & skf21("3","7","5","6","5","5","2","1") = "6"
    & skf21("3","7","5","6","5","5","3","1") = "6"
    & skf21("3","7","5","6","5","5","4","1") = "6"
    & skf21("3","7","5","6","5","5","5","1") = "6"
    & skf21("3","7","5","6","5","5","6","1") = "6"
    & skf21("3","7","5","6","5","5","7","1") = "6"
    & skf21("3","7","5","6","5","6","1","1") = "6"
    & skf21("3","7","5","6","5","6","2","1") = "6"
    & skf21("3","7","5","6","5","6","3","1") = "6"
    & skf21("3","7","5","6","5","6","4","1") = "6"
    & skf21("3","7","5","6","5","6","5","1") = "6"
    & skf21("3","7","5","6","5","6","6","1") = "6"
    & skf21("3","7","5","6","5","6","7","1") = "6"
    & skf21("3","7","5","6","5","7","1","1") = "6"
    & skf21("3","7","5","6","5","7","2","1") = "6"
    & skf21("3","7","5","6","5","7","3","1") = "6"
    & skf21("3","7","5","6","5","7","4","1") = "6"
    & skf21("3","7","5","6","5","7","5","1") = "6"
    & skf21("3","7","5","6","5","7","6","1") = "6"
    & skf21("3","7","5","6","5","7","7","1") = "6"
    & skf21("3","7","5","6","6","1","1","1") = "6"
    & skf21("3","7","5","6","6","1","2","1") = "6"
    & skf21("3","7","5","6","6","1","3","1") = "6"
    & skf21("3","7","5","6","6","1","4","1") = "6"
    & skf21("3","7","5","6","6","1","5","1") = "6"
    & skf21("3","7","5","6","6","1","6","1") = "6"
    & skf21("3","7","5","6","6","1","7","1") = "6"
    & skf21("3","7","5","6","6","2","1","1") = "6"
    & skf21("3","7","5","6","6","2","2","1") = "6"
    & skf21("3","7","5","6","6","2","3","1") = "6"
    & skf21("3","7","5","6","6","2","4","1") = "6"
    & skf21("3","7","5","6","6","2","5","1") = "6"
    & skf21("3","7","5","6","6","2","6","1") = "6"
    & skf21("3","7","5","6","6","2","7","1") = "6"
    & skf21("3","7","5","6","6","3","1","1") = "6"
    & skf21("3","7","5","6","6","3","2","1") = "6"
    & skf21("3","7","5","6","6","3","3","1") = "6"
    & skf21("3","7","5","6","6","3","4","1") = "6"
    & skf21("3","7","5","6","6","3","5","1") = "6"
    & skf21("3","7","5","6","6","3","6","1") = "6"
    & skf21("3","7","5","6","6","3","7","1") = "6"
    & skf21("3","7","5","6","6","4","1","1") = "6"
    & skf21("3","7","5","6","6","4","2","1") = "6"
    & skf21("3","7","5","6","6","4","3","1") = "6"
    & skf21("3","7","5","6","6","4","4","1") = "6"
    & skf21("3","7","5","6","6","4","5","1") = "6"
    & skf21("3","7","5","6","6","4","6","1") = "6"
    & skf21("3","7","5","6","6","4","7","1") = "6"
    & skf21("3","7","5","6","6","5","1","1") = "6"
    & skf21("3","7","5","6","6","5","2","1") = "6"
    & skf21("3","7","5","6","6","5","3","1") = "6"
    & skf21("3","7","5","6","6","5","4","1") = "6"
    & skf21("3","7","5","6","6","5","5","1") = "6"
    & skf21("3","7","5","6","6","5","6","1") = "6"
    & skf21("3","7","5","6","6","5","7","1") = "6"
    & skf21("3","7","5","6","6","6","1","1") = "6"
    & skf21("3","7","5","6","6","6","2","1") = "6"
    & skf21("3","7","5","6","6","6","3","1") = "6"
    & skf21("3","7","5","6","6","6","4","1") = "6"
    & skf21("3","7","5","6","6","6","5","1") = "6"
    & skf21("3","7","5","6","6","6","6","1") = "6"
    & skf21("3","7","5","6","6","6","7","1") = "6"
    & skf21("3","7","5","6","6","7","1","1") = "6"
    & skf21("3","7","5","6","6","7","2","1") = "6"
    & skf21("3","7","5","6","6","7","3","1") = "6"
    & skf21("3","7","5","6","6","7","4","1") = "6"
    & skf21("3","7","5","6","6","7","5","1") = "6"
    & skf21("3","7","5","6","6","7","6","1") = "6"
    & skf21("3","7","5","6","6","7","7","1") = "6"
    & skf21("3","7","5","6","7","1","1","1") = "6"
    & skf21("3","7","5","6","7","1","2","1") = "6"
    & skf21("3","7","5","6","7","1","3","1") = "6"
    & skf21("3","7","5","6","7","1","4","1") = "6"
    & skf21("3","7","5","6","7","1","5","1") = "6"
    & skf21("3","7","5","6","7","1","6","1") = "6"
    & skf21("3","7","5","6","7","1","7","1") = "6"
    & skf21("3","7","5","6","7","2","1","1") = "6"
    & skf21("3","7","5","6","7","2","2","1") = "6"
    & skf21("3","7","5","6","7","2","3","1") = "6"
    & skf21("3","7","5","6","7","2","4","1") = "6"
    & skf21("3","7","5","6","7","2","5","1") = "6"
    & skf21("3","7","5","6","7","2","6","1") = "6"
    & skf21("3","7","5","6","7","2","7","1") = "6"
    & skf21("3","7","5","6","7","3","1","1") = "6"
    & skf21("3","7","5","6","7","3","2","1") = "6"
    & skf21("3","7","5","6","7","3","3","1") = "6"
    & skf21("3","7","5","6","7","3","4","1") = "6"
    & skf21("3","7","5","6","7","3","5","1") = "6"
    & skf21("3","7","5","6","7","3","6","1") = "6"
    & skf21("3","7","5","6","7","3","7","1") = "6"
    & skf21("3","7","5","6","7","4","1","1") = "6"
    & skf21("3","7","5","6","7","4","2","1") = "6"
    & skf21("3","7","5","6","7","4","3","1") = "6"
    & skf21("3","7","5","6","7","4","4","1") = "6"
    & skf21("3","7","5","6","7","4","5","1") = "6"
    & skf21("3","7","5","6","7","4","6","1") = "6"
    & skf21("3","7","5","6","7","4","7","1") = "6"
    & skf21("3","7","5","6","7","5","1","1") = "6"
    & skf21("3","7","5","6","7","5","2","1") = "6"
    & skf21("3","7","5","6","7","5","3","1") = "6"
    & skf21("3","7","5","6","7","5","4","1") = "6"
    & skf21("3","7","5","6","7","5","5","1") = "6"
    & skf21("3","7","5","6","7","5","6","1") = "6"
    & skf21("3","7","5","6","7","5","7","1") = "6"
    & skf21("3","7","5","6","7","6","1","1") = "6"
    & skf21("3","7","5","6","7","6","2","1") = "6"
    & skf21("3","7","5","6","7","6","3","1") = "6"
    & skf21("3","7","5","6","7","6","4","1") = "6"
    & skf21("3","7","5","6","7","6","5","1") = "6"
    & skf21("3","7","5","6","7","6","6","1") = "6"
    & skf21("3","7","5","6","7","6","7","1") = "6"
    & skf21("3","7","5","6","7","7","1","1") = "6"
    & skf21("3","7","5","6","7","7","2","1") = "6"
    & skf21("3","7","5","6","7","7","3","1") = "6"
    & skf21("3","7","5","6","7","7","4","1") = "6"
    & skf21("3","7","5","6","7","7","5","1") = "6"
    & skf21("3","7","5","6","7","7","6","1") = "6"
    & skf21("3","7","5","6","7","7","7","1") = "6"
    & skf21("3","7","5","7","1","1","1","1") = "6"
    & skf21("3","7","5","7","1","1","2","1") = "6"
    & skf21("3","7","5","7","1","1","3","1") = "6"
    & skf21("3","7","5","7","1","1","4","1") = "6"
    & skf21("3","7","5","7","1","1","5","1") = "6"
    & skf21("3","7","5","7","1","1","6","1") = "6"
    & skf21("3","7","5","7","1","1","7","1") = "6"
    & skf21("3","7","5","7","1","2","1","1") = "6"
    & skf21("3","7","5","7","1","2","2","1") = "6"
    & skf21("3","7","5","7","1","2","3","1") = "6"
    & skf21("3","7","5","7","1","2","4","1") = "6"
    & skf21("3","7","5","7","1","2","5","1") = "6"
    & skf21("3","7","5","7","1","2","6","1") = "6"
    & skf21("3","7","5","7","1","2","7","1") = "6"
    & skf21("3","7","5","7","1","3","1","1") = "6"
    & skf21("3","7","5","7","1","3","2","1") = "6"
    & skf21("3","7","5","7","1","3","3","1") = "6"
    & skf21("3","7","5","7","1","3","4","1") = "6"
    & skf21("3","7","5","7","1","3","5","1") = "6"
    & skf21("3","7","5","7","1","3","6","1") = "6"
    & skf21("3","7","5","7","1","3","7","1") = "6"
    & skf21("3","7","5","7","1","4","1","1") = "6"
    & skf21("3","7","5","7","1","4","2","1") = "6"
    & skf21("3","7","5","7","1","4","3","1") = "6"
    & skf21("3","7","5","7","1","4","4","1") = "6"
    & skf21("3","7","5","7","1","4","5","1") = "6"
    & skf21("3","7","5","7","1","4","6","1") = "6"
    & skf21("3","7","5","7","1","4","7","1") = "6"
    & skf21("3","7","5","7","1","5","1","1") = "6"
    & skf21("3","7","5","7","1","5","2","1") = "6"
    & skf21("3","7","5","7","1","5","3","1") = "6"
    & skf21("3","7","5","7","1","5","4","1") = "6"
    & skf21("3","7","5","7","1","5","5","1") = "6"
    & skf21("3","7","5","7","1","5","6","1") = "6"
    & skf21("3","7","5","7","1","5","7","1") = "6"
    & skf21("3","7","5","7","1","6","1","1") = "6"
    & skf21("3","7","5","7","1","6","2","1") = "6"
    & skf21("3","7","5","7","1","6","3","1") = "6"
    & skf21("3","7","5","7","1","6","4","1") = "6"
    & skf21("3","7","5","7","1","6","5","1") = "6"
    & skf21("3","7","5","7","1","6","6","1") = "6"
    & skf21("3","7","5","7","1","6","7","1") = "6"
    & skf21("3","7","5","7","1","7","1","1") = "6"
    & skf21("3","7","5","7","1","7","2","1") = "6"
    & skf21("3","7","5","7","1","7","3","1") = "6"
    & skf21("3","7","5","7","1","7","4","1") = "6"
    & skf21("3","7","5","7","1","7","5","1") = "6"
    & skf21("3","7","5","7","1","7","6","1") = "6"
    & skf21("3","7","5","7","1","7","7","1") = "6"
    & skf21("3","7","5","7","2","1","1","1") = "6"
    & skf21("3","7","5","7","2","1","2","1") = "6"
    & skf21("3","7","5","7","2","1","3","1") = "6"
    & skf21("3","7","5","7","2","1","4","1") = "6"
    & skf21("3","7","5","7","2","1","5","1") = "6"
    & skf21("3","7","5","7","2","1","6","1") = "6"
    & skf21("3","7","5","7","2","1","7","1") = "6"
    & skf21("3","7","5","7","2","2","1","1") = "6"
    & skf21("3","7","5","7","2","2","2","1") = "6"
    & skf21("3","7","5","7","2","2","3","1") = "6"
    & skf21("3","7","5","7","2","2","4","1") = "6"
    & skf21("3","7","5","7","2","2","5","1") = "6"
    & skf21("3","7","5","7","2","2","6","1") = "6"
    & skf21("3","7","5","7","2","2","7","1") = "6"
    & skf21("3","7","5","7","2","3","1","1") = "6"
    & skf21("3","7","5","7","2","3","2","1") = "6"
    & skf21("3","7","5","7","2","3","3","1") = "6"
    & skf21("3","7","5","7","2","3","4","1") = "6"
    & skf21("3","7","5","7","2","3","5","1") = "6"
    & skf21("3","7","5","7","2","3","6","1") = "6"
    & skf21("3","7","5","7","2","3","7","1") = "6"
    & skf21("3","7","5","7","2","4","1","1") = "6"
    & skf21("3","7","5","7","2","4","2","1") = "6"
    & skf21("3","7","5","7","2","4","3","1") = "6"
    & skf21("3","7","5","7","2","4","4","1") = "6"
    & skf21("3","7","5","7","2","4","5","1") = "6"
    & skf21("3","7","5","7","2","4","6","1") = "6"
    & skf21("3","7","5","7","2","4","7","1") = "6"
    & skf21("3","7","5","7","2","5","1","1") = "6"
    & skf21("3","7","5","7","2","5","2","1") = "6"
    & skf21("3","7","5","7","2","5","3","1") = "6"
    & skf21("3","7","5","7","2","5","4","1") = "6"
    & skf21("3","7","5","7","2","5","5","1") = "6"
    & skf21("3","7","5","7","2","5","6","1") = "6"
    & skf21("3","7","5","7","2","5","7","1") = "6"
    & skf21("3","7","5","7","2","6","1","1") = "6"
    & skf21("3","7","5","7","2","6","2","1") = "6"
    & skf21("3","7","5","7","2","6","3","1") = "6"
    & skf21("3","7","5","7","2","6","4","1") = "6"
    & skf21("3","7","5","7","2","6","5","1") = "6"
    & skf21("3","7","5","7","2","6","6","1") = "6"
    & skf21("3","7","5","7","2","6","7","1") = "6"
    & skf21("3","7","5","7","2","7","1","1") = "6"
    & skf21("3","7","5","7","2","7","2","1") = "6"
    & skf21("3","7","5","7","2","7","3","1") = "6"
    & skf21("3","7","5","7","2","7","4","1") = "6"
    & skf21("3","7","5","7","2","7","5","1") = "6"
    & skf21("3","7","5","7","2","7","6","1") = "6"
    & skf21("3","7","5","7","2","7","7","1") = "6"
    & skf21("3","7","5","7","3","1","1","1") = "6"
    & skf21("3","7","5","7","3","1","2","1") = "6"
    & skf21("3","7","5","7","3","1","3","1") = "6"
    & skf21("3","7","5","7","3","1","4","1") = "6"
    & skf21("3","7","5","7","3","1","5","1") = "6"
    & skf21("3","7","5","7","3","1","6","1") = "6"
    & skf21("3","7","5","7","3","1","7","1") = "6"
    & skf21("3","7","5","7","3","2","1","1") = "6"
    & skf21("3","7","5","7","3","2","2","1") = "6"
    & skf21("3","7","5","7","3","2","3","1") = "6"
    & skf21("3","7","5","7","3","2","4","1") = "6"
    & skf21("3","7","5","7","3","2","5","1") = "6"
    & skf21("3","7","5","7","3","2","6","1") = "6"
    & skf21("3","7","5","7","3","2","7","1") = "6"
    & skf21("3","7","5","7","3","3","1","1") = "6"
    & skf21("3","7","5","7","3","3","2","1") = "6"
    & skf21("3","7","5","7","3","3","3","1") = "6"
    & skf21("3","7","5","7","3","3","4","1") = "6"
    & skf21("3","7","5","7","3","3","5","1") = "6"
    & skf21("3","7","5","7","3","3","6","1") = "6"
    & skf21("3","7","5","7","3","3","7","1") = "6"
    & skf21("3","7","5","7","3","4","1","1") = "6"
    & skf21("3","7","5","7","3","4","2","1") = "6"
    & skf21("3","7","5","7","3","4","3","1") = "6"
    & skf21("3","7","5","7","3","4","4","1") = "6"
    & skf21("3","7","5","7","3","4","5","1") = "6"
    & skf21("3","7","5","7","3","4","6","1") = "6"
    & skf21("3","7","5","7","3","4","7","1") = "6"
    & skf21("3","7","5","7","3","5","1","1") = "6"
    & skf21("3","7","5","7","3","5","2","1") = "6"
    & skf21("3","7","5","7","3","5","3","1") = "6"
    & skf21("3","7","5","7","3","5","4","1") = "6"
    & skf21("3","7","5","7","3","5","5","1") = "6"
    & skf21("3","7","5","7","3","5","6","1") = "6"
    & skf21("3","7","5","7","3","5","7","1") = "6"
    & skf21("3","7","5","7","3","6","1","1") = "6"
    & skf21("3","7","5","7","3","6","2","1") = "6"
    & skf21("3","7","5","7","3","6","3","1") = "6"
    & skf21("3","7","5","7","3","6","4","1") = "6"
    & skf21("3","7","5","7","3","6","5","1") = "6"
    & skf21("3","7","5","7","3","6","6","1") = "6"
    & skf21("3","7","5","7","3","6","7","1") = "6"
    & skf21("3","7","5","7","3","7","1","1") = "6"
    & skf21("3","7","5","7","3","7","2","1") = "6"
    & skf21("3","7","5","7","3","7","3","1") = "6"
    & skf21("3","7","5","7","3","7","4","1") = "6"
    & skf21("3","7","5","7","3","7","5","1") = "6"
    & skf21("3","7","5","7","3","7","6","1") = "6"
    & skf21("3","7","5","7","3","7","7","1") = "6"
    & skf21("3","7","5","7","4","1","1","1") = "6"
    & skf21("3","7","5","7","4","1","2","1") = "6"
    & skf21("3","7","5","7","4","1","3","1") = "6"
    & skf21("3","7","5","7","4","1","4","1") = "6"
    & skf21("3","7","5","7","4","1","5","1") = "6"
    & skf21("3","7","5","7","4","1","6","1") = "6"
    & skf21("3","7","5","7","4","1","7","1") = "6"
    & skf21("3","7","5","7","4","2","1","1") = "6"
    & skf21("3","7","5","7","4","2","2","1") = "6"
    & skf21("3","7","5","7","4","2","3","1") = "6"
    & skf21("3","7","5","7","4","2","4","1") = "6"
    & skf21("3","7","5","7","4","2","5","1") = "6"
    & skf21("3","7","5","7","4","2","6","1") = "6"
    & skf21("3","7","5","7","4","2","7","1") = "6"
    & skf21("3","7","5","7","4","3","1","1") = "6"
    & skf21("3","7","5","7","4","3","2","1") = "6"
    & skf21("3","7","5","7","4","3","3","1") = "6"
    & skf21("3","7","5","7","4","3","4","1") = "6"
    & skf21("3","7","5","7","4","3","5","1") = "6"
    & skf21("3","7","5","7","4","3","6","1") = "6"
    & skf21("3","7","5","7","4","3","7","1") = "6"
    & skf21("3","7","5","7","4","4","1","1") = "6"
    & skf21("3","7","5","7","4","4","2","1") = "6"
    & skf21("3","7","5","7","4","4","3","1") = "6"
    & skf21("3","7","5","7","4","4","4","1") = "6"
    & skf21("3","7","5","7","4","4","5","1") = "6"
    & skf21("3","7","5","7","4","4","6","1") = "6"
    & skf21("3","7","5","7","4","4","7","1") = "6"
    & skf21("3","7","5","7","4","5","1","1") = "6"
    & skf21("3","7","5","7","4","5","2","1") = "6"
    & skf21("3","7","5","7","4","5","3","1") = "6"
    & skf21("3","7","5","7","4","5","4","1") = "6"
    & skf21("3","7","5","7","4","5","5","1") = "6"
    & skf21("3","7","5","7","4","5","6","1") = "6"
    & skf21("3","7","5","7","4","5","7","1") = "6"
    & skf21("3","7","5","7","4","6","1","1") = "6"
    & skf21("3","7","5","7","4","6","2","1") = "6"
    & skf21("3","7","5","7","4","6","3","1") = "6"
    & skf21("3","7","5","7","4","6","4","1") = "6"
    & skf21("3","7","5","7","4","6","5","1") = "6"
    & skf21("3","7","5","7","4","6","6","1") = "6"
    & skf21("3","7","5","7","4","6","7","1") = "6"
    & skf21("3","7","5","7","4","7","1","1") = "6"
    & skf21("3","7","5","7","4","7","2","1") = "6"
    & skf21("3","7","5","7","4","7","3","1") = "6"
    & skf21("3","7","5","7","4","7","4","1") = "6"
    & skf21("3","7","5","7","4","7","5","1") = "6"
    & skf21("3","7","5","7","4","7","6","1") = "6"
    & skf21("3","7","5","7","4","7","7","1") = "6"
    & skf21("3","7","5","7","5","1","1","1") = "6"
    & skf21("3","7","5","7","5","1","2","1") = "6"
    & skf21("3","7","5","7","5","1","3","1") = "6"
    & skf21("3","7","5","7","5","1","4","1") = "6"
    & skf21("3","7","5","7","5","1","5","1") = "6"
    & skf21("3","7","5","7","5","1","6","1") = "6"
    & skf21("3","7","5","7","5","1","7","1") = "6"
    & skf21("3","7","5","7","5","2","1","1") = "6"
    & skf21("3","7","5","7","5","2","2","1") = "6"
    & skf21("3","7","5","7","5","2","3","1") = "6"
    & skf21("3","7","5","7","5","2","4","1") = "6"
    & skf21("3","7","5","7","5","2","5","1") = "6"
    & skf21("3","7","5","7","5","2","6","1") = "6"
    & skf21("3","7","5","7","5","2","7","1") = "6"
    & skf21("3","7","5","7","5","3","1","1") = "6"
    & skf21("3","7","5","7","5","3","2","1") = "6"
    & skf21("3","7","5","7","5","3","3","1") = "6"
    & skf21("3","7","5","7","5","3","4","1") = "6"
    & skf21("3","7","5","7","5","3","5","1") = "6"
    & skf21("3","7","5","7","5","3","6","1") = "6"
    & skf21("3","7","5","7","5","3","7","1") = "6"
    & skf21("3","7","5","7","5","4","1","1") = "6"
    & skf21("3","7","5","7","5","4","2","1") = "6"
    & skf21("3","7","5","7","5","4","3","1") = "6"
    & skf21("3","7","5","7","5","4","4","1") = "6"
    & skf21("3","7","5","7","5","4","5","1") = "6"
    & skf21("3","7","5","7","5","4","6","1") = "6"
    & skf21("3","7","5","7","5","4","7","1") = "6"
    & skf21("3","7","5","7","5","5","1","1") = "6"
    & skf21("3","7","5","7","5","5","2","1") = "6"
    & skf21("3","7","5","7","5","5","3","1") = "6"
    & skf21("3","7","5","7","5","5","4","1") = "6"
    & skf21("3","7","5","7","5","5","5","1") = "6"
    & skf21("3","7","5","7","5","5","6","1") = "6"
    & skf21("3","7","5","7","5","5","7","1") = "6"
    & skf21("3","7","5","7","5","6","1","1") = "6"
    & skf21("3","7","5","7","5","6","2","1") = "6"
    & skf21("3","7","5","7","5","6","3","1") = "6"
    & skf21("3","7","5","7","5","6","4","1") = "6"
    & skf21("3","7","5","7","5","6","5","1") = "6"
    & skf21("3","7","5","7","5","6","6","1") = "6"
    & skf21("3","7","5","7","5","6","7","1") = "6"
    & skf21("3","7","5","7","5","7","1","1") = "6"
    & skf21("3","7","5","7","5","7","2","1") = "6"
    & skf21("3","7","5","7","5","7","3","1") = "6"
    & skf21("3","7","5","7","5","7","4","1") = "6"
    & skf21("3","7","5","7","5","7","5","1") = "6"
    & skf21("3","7","5","7","5","7","6","1") = "6"
    & skf21("3","7","5","7","5","7","7","1") = "6"
    & skf21("3","7","5","7","6","1","1","1") = "6"
    & skf21("3","7","5","7","6","1","2","1") = "6"
    & skf21("3","7","5","7","6","1","3","1") = "6"
    & skf21("3","7","5","7","6","1","4","1") = "6"
    & skf21("3","7","5","7","6","1","5","1") = "6"
    & skf21("3","7","5","7","6","1","6","1") = "6"
    & skf21("3","7","5","7","6","1","7","1") = "6"
    & skf21("3","7","5","7","6","2","1","1") = "6"
    & skf21("3","7","5","7","6","2","2","1") = "6"
    & skf21("3","7","5","7","6","2","3","1") = "6"
    & skf21("3","7","5","7","6","2","4","1") = "6"
    & skf21("3","7","5","7","6","2","5","1") = "6"
    & skf21("3","7","5","7","6","2","6","1") = "6"
    & skf21("3","7","5","7","6","2","7","1") = "6"
    & skf21("3","7","5","7","6","3","1","1") = "6"
    & skf21("3","7","5","7","6","3","2","1") = "6"
    & skf21("3","7","5","7","6","3","3","1") = "6"
    & skf21("3","7","5","7","6","3","4","1") = "6"
    & skf21("3","7","5","7","6","3","5","1") = "6"
    & skf21("3","7","5","7","6","3","6","1") = "6"
    & skf21("3","7","5","7","6","3","7","1") = "6"
    & skf21("3","7","5","7","6","4","1","1") = "6"
    & skf21("3","7","5","7","6","4","2","1") = "6"
    & skf21("3","7","5","7","6","4","3","1") = "6"
    & skf21("3","7","5","7","6","4","4","1") = "6"
    & skf21("3","7","5","7","6","4","5","1") = "6"
    & skf21("3","7","5","7","6","4","6","1") = "6"
    & skf21("3","7","5","7","6","4","7","1") = "6"
    & skf21("3","7","5","7","6","5","1","1") = "6"
    & skf21("3","7","5","7","6","5","2","1") = "6"
    & skf21("3","7","5","7","6","5","3","1") = "6"
    & skf21("3","7","5","7","6","5","4","1") = "6"
    & skf21("3","7","5","7","6","5","5","1") = "6"
    & skf21("3","7","5","7","6","5","6","1") = "6"
    & skf21("3","7","5","7","6","5","7","1") = "6"
    & skf21("3","7","5","7","6","6","1","1") = "6"
    & skf21("3","7","5","7","6","6","2","1") = "6"
    & skf21("3","7","5","7","6","6","3","1") = "6"
    & skf21("3","7","5","7","6","6","4","1") = "6"
    & skf21("3","7","5","7","6","6","5","1") = "6"
    & skf21("3","7","5","7","6","6","6","1") = "6"
    & skf21("3","7","5","7","6","6","7","1") = "6"
    & skf21("3","7","5","7","6","7","1","1") = "6"
    & skf21("3","7","5","7","6","7","2","1") = "6"
    & skf21("3","7","5","7","6","7","3","1") = "6"
    & skf21("3","7","5","7","6","7","4","1") = "6"
    & skf21("3","7","5","7","6","7","5","1") = "6"
    & skf21("3","7","5","7","6","7","6","1") = "6"
    & skf21("3","7","5","7","6","7","7","1") = "6"
    & skf21("3","7","5","7","7","1","1","1") = "6"
    & skf21("3","7","5","7","7","1","2","1") = "6"
    & skf21("3","7","5","7","7","1","3","1") = "6"
    & skf21("3","7","5","7","7","1","4","1") = "6"
    & skf21("3","7","5","7","7","1","5","1") = "6"
    & skf21("3","7","5","7","7","1","6","1") = "6"
    & skf21("3","7","5","7","7","1","7","1") = "6"
    & skf21("3","7","5","7","7","2","1","1") = "6"
    & skf21("3","7","5","7","7","2","2","1") = "6"
    & skf21("3","7","5","7","7","2","3","1") = "6"
    & skf21("3","7","5","7","7","2","4","1") = "6"
    & skf21("3","7","5","7","7","2","5","1") = "6"
    & skf21("3","7","5","7","7","2","6","1") = "6"
    & skf21("3","7","5","7","7","2","7","1") = "6"
    & skf21("3","7","5","7","7","3","1","1") = "6"
    & skf21("3","7","5","7","7","3","2","1") = "6"
    & skf21("3","7","5","7","7","3","3","1") = "6"
    & skf21("3","7","5","7","7","3","4","1") = "6"
    & skf21("3","7","5","7","7","3","5","1") = "6"
    & skf21("3","7","5","7","7","3","6","1") = "6"
    & skf21("3","7","5","7","7","3","7","1") = "6"
    & skf21("3","7","5","7","7","4","1","1") = "6"
    & skf21("3","7","5","7","7","4","2","1") = "6"
    & skf21("3","7","5","7","7","4","3","1") = "6"
    & skf21("3","7","5","7","7","4","4","1") = "6"
    & skf21("3","7","5","7","7","4","5","1") = "6"
    & skf21("3","7","5","7","7","4","6","1") = "6"
    & skf21("3","7","5","7","7","4","7","1") = "6"
    & skf21("3","7","5","7","7","5","1","1") = "6"
    & skf21("3","7","5","7","7","5","2","1") = "6"
    & skf21("3","7","5","7","7","5","3","1") = "6"
    & skf21("3","7","5","7","7","5","4","1") = "6"
    & skf21("3","7","5","7","7","5","5","1") = "6"
    & skf21("3","7","5","7","7","5","6","1") = "6"
    & skf21("3","7","5","7","7","5","7","1") = "6"
    & skf21("3","7","5","7","7","6","1","1") = "6"
    & skf21("3","7","5","7","7","6","2","1") = "6"
    & skf21("3","7","5","7","7","6","3","1") = "6"
    & skf21("3","7","5","7","7","6","4","1") = "6"
    & skf21("3","7","5","7","7","6","5","1") = "6"
    & skf21("3","7","5","7","7","6","6","1") = "6"
    & skf21("3","7","5","7","7","6","7","1") = "6"
    & skf21("3","7","5","7","7","7","1","1") = "6"
    & skf21("3","7","5","7","7","7","2","1") = "6"
    & skf21("3","7","5","7","7","7","3","1") = "6"
    & skf21("3","7","5","7","7","7","4","1") = "6"
    & skf21("3","7","5","7","7","7","5","1") = "6"
    & skf21("3","7","5","7","7","7","6","1") = "6"
    & skf21("3","7","5","7","7","7","7","1") = "6"
    & skf21("3","7","6","1","1","1","1","1") = "6"
    & skf21("3","7","6","1","1","1","2","1") = "6"
    & skf21("3","7","6","1","1","1","3","1") = "6"
    & skf21("3","7","6","1","1","1","4","1") = "6"
    & skf21("3","7","6","1","1","1","5","1") = "6"
    & skf21("3","7","6","1","1","1","6","1") = "6"
    & skf21("3","7","6","1","1","1","7","1") = "6"
    & skf21("3","7","6","1","1","2","1","1") = "6"
    & skf21("3","7","6","1","1","2","2","1") = "6"
    & skf21("3","7","6","1","1","2","3","1") = "6"
    & skf21("3","7","6","1","1","2","4","1") = "6"
    & skf21("3","7","6","1","1","2","5","1") = "6"
    & skf21("3","7","6","1","1","2","6","1") = "6"
    & skf21("3","7","6","1","1","2","7","1") = "6"
    & skf21("3","7","6","1","1","3","1","1") = "6"
    & skf21("3","7","6","1","1","3","2","1") = "6"
    & skf21("3","7","6","1","1","3","3","1") = "6"
    & skf21("3","7","6","1","1","3","4","1") = "6"
    & skf21("3","7","6","1","1","3","5","1") = "6"
    & skf21("3","7","6","1","1","3","6","1") = "6"
    & skf21("3","7","6","1","1","3","7","1") = "6"
    & skf21("3","7","6","1","1","4","1","1") = "6"
    & skf21("3","7","6","1","1","4","2","1") = "6"
    & skf21("3","7","6","1","1","4","3","1") = "6"
    & skf21("3","7","6","1","1","4","4","1") = "6"
    & skf21("3","7","6","1","1","4","5","1") = "6"
    & skf21("3","7","6","1","1","4","6","1") = "6"
    & skf21("3","7","6","1","1","4","7","1") = "6"
    & skf21("3","7","6","1","1","5","1","1") = "6"
    & skf21("3","7","6","1","1","5","2","1") = "6"
    & skf21("3","7","6","1","1","5","3","1") = "6"
    & skf21("3","7","6","1","1","5","4","1") = "6"
    & skf21("3","7","6","1","1","5","5","1") = "6"
    & skf21("3","7","6","1","1","5","6","1") = "6"
    & skf21("3","7","6","1","1","5","7","1") = "6"
    & skf21("3","7","6","1","1","6","1","1") = "6"
    & skf21("3","7","6","1","1","6","2","1") = "6"
    & skf21("3","7","6","1","1","6","3","1") = "6"
    & skf21("3","7","6","1","1","6","4","1") = "6"
    & skf21("3","7","6","1","1","6","5","1") = "6"
    & skf21("3","7","6","1","1","6","6","1") = "6"
    & skf21("3","7","6","1","1","6","7","1") = "6"
    & skf21("3","7","6","1","1","7","1","1") = "6"
    & skf21("3","7","6","1","1","7","2","1") = "6"
    & skf21("3","7","6","1","1","7","3","1") = "6"
    & skf21("3","7","6","1","1","7","4","1") = "6"
    & skf21("3","7","6","1","1","7","5","1") = "6"
    & skf21("3","7","6","1","1","7","6","1") = "6"
    & skf21("3","7","6","1","1","7","7","1") = "6"
    & skf21("3","7","6","1","2","1","1","1") = "6"
    & skf21("3","7","6","1","2","1","2","1") = "6"
    & skf21("3","7","6","1","2","1","3","1") = "6"
    & skf21("3","7","6","1","2","1","4","1") = "6"
    & skf21("3","7","6","1","2","1","5","1") = "6"
    & skf21("3","7","6","1","2","1","6","1") = "6"
    & skf21("3","7","6","1","2","1","7","1") = "6"
    & skf21("3","7","6","1","2","2","1","1") = "6"
    & skf21("3","7","6","1","2","2","2","1") = "6"
    & skf21("3","7","6","1","2","2","3","1") = "6"
    & skf21("3","7","6","1","2","2","4","1") = "6"
    & skf21("3","7","6","1","2","2","5","1") = "6"
    & skf21("3","7","6","1","2","2","6","1") = "6"
    & skf21("3","7","6","1","2","2","7","1") = "6"
    & skf21("3","7","6","1","2","3","1","1") = "6"
    & skf21("3","7","6","1","2","3","2","1") = "6"
    & skf21("3","7","6","1","2","3","3","1") = "6"
    & skf21("3","7","6","1","2","3","4","1") = "6"
    & skf21("3","7","6","1","2","3","5","1") = "6"
    & skf21("3","7","6","1","2","3","6","1") = "6"
    & skf21("3","7","6","1","2","3","7","1") = "6"
    & skf21("3","7","6","1","2","4","1","1") = "6"
    & skf21("3","7","6","1","2","4","2","1") = "6"
    & skf21("3","7","6","1","2","4","3","1") = "6"
    & skf21("3","7","6","1","2","4","4","1") = "6"
    & skf21("3","7","6","1","2","4","5","1") = "6"
    & skf21("3","7","6","1","2","4","6","1") = "6"
    & skf21("3","7","6","1","2","4","7","1") = "6"
    & skf21("3","7","6","1","2","5","1","1") = "6"
    & skf21("3","7","6","1","2","5","2","1") = "6"
    & skf21("3","7","6","1","2","5","3","1") = "6"
    & skf21("3","7","6","1","2","5","4","1") = "6"
    & skf21("3","7","6","1","2","5","5","1") = "6"
    & skf21("3","7","6","1","2","5","6","1") = "6"
    & skf21("3","7","6","1","2","5","7","1") = "6"
    & skf21("3","7","6","1","2","6","1","1") = "6"
    & skf21("3","7","6","1","2","6","2","1") = "6"
    & skf21("3","7","6","1","2","6","3","1") = "6"
    & skf21("3","7","6","1","2","6","4","1") = "6"
    & skf21("3","7","6","1","2","6","5","1") = "6"
    & skf21("3","7","6","1","2","6","6","1") = "6"
    & skf21("3","7","6","1","2","6","7","1") = "6"
    & skf21("3","7","6","1","2","7","1","1") = "6"
    & skf21("3","7","6","1","2","7","2","1") = "6"
    & skf21("3","7","6","1","2","7","3","1") = "6"
    & skf21("3","7","6","1","2","7","4","1") = "6"
    & skf21("3","7","6","1","2","7","5","1") = "6"
    & skf21("3","7","6","1","2","7","6","1") = "6"
    & skf21("3","7","6","1","2","7","7","1") = "6"
    & skf21("3","7","6","1","3","1","1","1") = "6"
    & skf21("3","7","6","1","3","1","2","1") = "6"
    & skf21("3","7","6","1","3","1","3","1") = "6"
    & skf21("3","7","6","1","3","1","4","1") = "6"
    & skf21("3","7","6","1","3","1","5","1") = "6"
    & skf21("3","7","6","1","3","1","6","1") = "6"
    & skf21("3","7","6","1","3","1","7","1") = "6"
    & skf21("3","7","6","1","3","2","1","1") = "6"
    & skf21("3","7","6","1","3","2","2","1") = "6"
    & skf21("3","7","6","1","3","2","3","1") = "6"
    & skf21("3","7","6","1","3","2","4","1") = "6"
    & skf21("3","7","6","1","3","2","5","1") = "6"
    & skf21("3","7","6","1","3","2","6","1") = "6"
    & skf21("3","7","6","1","3","2","7","1") = "6"
    & skf21("3","7","6","1","3","3","1","1") = "6"
    & skf21("3","7","6","1","3","3","2","1") = "6"
    & skf21("3","7","6","1","3","3","3","1") = "6"
    & skf21("3","7","6","1","3","3","4","1") = "6"
    & skf21("3","7","6","1","3","3","5","1") = "6"
    & skf21("3","7","6","1","3","3","6","1") = "6"
    & skf21("3","7","6","1","3","3","7","1") = "6"
    & skf21("3","7","6","1","3","4","1","1") = "6"
    & skf21("3","7","6","1","3","4","2","1") = "6"
    & skf21("3","7","6","1","3","4","3","1") = "6"
    & skf21("3","7","6","1","3","4","4","1") = "6"
    & skf21("3","7","6","1","3","4","5","1") = "6"
    & skf21("3","7","6","1","3","4","6","1") = "6"
    & skf21("3","7","6","1","3","4","7","1") = "6"
    & skf21("3","7","6","1","3","5","1","1") = "6"
    & skf21("3","7","6","1","3","5","2","1") = "6"
    & skf21("3","7","6","1","3","5","3","1") = "6"
    & skf21("3","7","6","1","3","5","4","1") = "6"
    & skf21("3","7","6","1","3","5","5","1") = "6"
    & skf21("3","7","6","1","3","5","6","1") = "6"
    & skf21("3","7","6","1","3","5","7","1") = "6"
    & skf21("3","7","6","1","3","6","1","1") = "6"
    & skf21("3","7","6","1","3","6","2","1") = "6"
    & skf21("3","7","6","1","3","6","3","1") = "6"
    & skf21("3","7","6","1","3","6","4","1") = "6"
    & skf21("3","7","6","1","3","6","5","1") = "6"
    & skf21("3","7","6","1","3","6","6","1") = "6"
    & skf21("3","7","6","1","3","6","7","1") = "6"
    & skf21("3","7","6","1","3","7","1","1") = "6"
    & skf21("3","7","6","1","3","7","2","1") = "6"
    & skf21("3","7","6","1","3","7","3","1") = "6"
    & skf21("3","7","6","1","3","7","4","1") = "6"
    & skf21("3","7","6","1","3","7","5","1") = "6"
    & skf21("3","7","6","1","3","7","6","1") = "6"
    & skf21("3","7","6","1","3","7","7","1") = "6"
    & skf21("3","7","6","1","4","1","1","1") = "6"
    & skf21("3","7","6","1","4","1","2","1") = "6"
    & skf21("3","7","6","1","4","1","3","1") = "6"
    & skf21("3","7","6","1","4","1","4","1") = "6"
    & skf21("3","7","6","1","4","1","5","1") = "6"
    & skf21("3","7","6","1","4","1","6","1") = "6"
    & skf21("3","7","6","1","4","1","7","1") = "6"
    & skf21("3","7","6","1","4","2","1","1") = "6"
    & skf21("3","7","6","1","4","2","2","1") = "6"
    & skf21("3","7","6","1","4","2","3","1") = "6"
    & skf21("3","7","6","1","4","2","4","1") = "6"
    & skf21("3","7","6","1","4","2","5","1") = "6"
    & skf21("3","7","6","1","4","2","6","1") = "6"
    & skf21("3","7","6","1","4","2","7","1") = "6"
    & skf21("3","7","6","1","4","3","1","1") = "6"
    & skf21("3","7","6","1","4","3","2","1") = "6"
    & skf21("3","7","6","1","4","3","3","1") = "6"
    & skf21("3","7","6","1","4","3","4","1") = "6"
    & skf21("3","7","6","1","4","3","5","1") = "6"
    & skf21("3","7","6","1","4","3","6","1") = "6"
    & skf21("3","7","6","1","4","3","7","1") = "6"
    & skf21("3","7","6","1","4","4","1","1") = "6"
    & skf21("3","7","6","1","4","4","2","1") = "6"
    & skf21("3","7","6","1","4","4","3","1") = "6"
    & skf21("3","7","6","1","4","4","4","1") = "6"
    & skf21("3","7","6","1","4","4","5","1") = "6"
    & skf21("3","7","6","1","4","4","6","1") = "6"
    & skf21("3","7","6","1","4","4","7","1") = "6"
    & skf21("3","7","6","1","4","5","1","1") = "6"
    & skf21("3","7","6","1","4","5","2","1") = "6"
    & skf21("3","7","6","1","4","5","3","1") = "6"
    & skf21("3","7","6","1","4","5","4","1") = "6"
    & skf21("3","7","6","1","4","5","5","1") = "6"
    & skf21("3","7","6","1","4","5","6","1") = "6"
    & skf21("3","7","6","1","4","5","7","1") = "6"
    & skf21("3","7","6","1","4","6","1","1") = "6"
    & skf21("3","7","6","1","4","6","2","1") = "6"
    & skf21("3","7","6","1","4","6","3","1") = "6"
    & skf21("3","7","6","1","4","6","4","1") = "6"
    & skf21("3","7","6","1","4","6","5","1") = "6"
    & skf21("3","7","6","1","4","6","6","1") = "6"
    & skf21("3","7","6","1","4","6","7","1") = "6"
    & skf21("3","7","6","1","4","7","1","1") = "6"
    & skf21("3","7","6","1","4","7","2","1") = "6"
    & skf21("3","7","6","1","4","7","3","1") = "6"
    & skf21("3","7","6","1","4","7","4","1") = "6"
    & skf21("3","7","6","1","4","7","5","1") = "6"
    & skf21("3","7","6","1","4","7","6","1") = "6"
    & skf21("3","7","6","1","4","7","7","1") = "6"
    & skf21("3","7","6","1","5","1","1","1") = "6"
    & skf21("3","7","6","1","5","1","2","1") = "6"
    & skf21("3","7","6","1","5","1","3","1") = "6"
    & skf21("3","7","6","1","5","1","4","1") = "6"
    & skf21("3","7","6","1","5","1","5","1") = "6"
    & skf21("3","7","6","1","5","1","6","1") = "6"
    & skf21("3","7","6","1","5","1","7","1") = "6"
    & skf21("3","7","6","1","5","2","1","1") = "6"
    & skf21("3","7","6","1","5","2","2","1") = "6"
    & skf21("3","7","6","1","5","2","3","1") = "6"
    & skf21("3","7","6","1","5","2","4","1") = "6"
    & skf21("3","7","6","1","5","2","5","1") = "6"
    & skf21("3","7","6","1","5","2","6","1") = "6"
    & skf21("3","7","6","1","5","2","7","1") = "6"
    & skf21("3","7","6","1","5","3","1","1") = "6"
    & skf21("3","7","6","1","5","3","2","1") = "6"
    & skf21("3","7","6","1","5","3","3","1") = "6"
    & skf21("3","7","6","1","5","3","4","1") = "6"
    & skf21("3","7","6","1","5","3","5","1") = "6"
    & skf21("3","7","6","1","5","3","6","1") = "6"
    & skf21("3","7","6","1","5","3","7","1") = "6"
    & skf21("3","7","6","1","5","4","1","1") = "6"
    & skf21("3","7","6","1","5","4","2","1") = "6"
    & skf21("3","7","6","1","5","4","3","1") = "6"
    & skf21("3","7","6","1","5","4","4","1") = "6"
    & skf21("3","7","6","1","5","4","5","1") = "6"
    & skf21("3","7","6","1","5","4","6","1") = "6"
    & skf21("3","7","6","1","5","4","7","1") = "6"
    & skf21("3","7","6","1","5","5","1","1") = "6"
    & skf21("3","7","6","1","5","5","2","1") = "6"
    & skf21("3","7","6","1","5","5","3","1") = "6"
    & skf21("3","7","6","1","5","5","4","1") = "6"
    & skf21("3","7","6","1","5","5","5","1") = "6"
    & skf21("3","7","6","1","5","5","6","1") = "6"
    & skf21("3","7","6","1","5","5","7","1") = "6"
    & skf21("3","7","6","1","5","6","1","1") = "6"
    & skf21("3","7","6","1","5","6","2","1") = "6"
    & skf21("3","7","6","1","5","6","3","1") = "6"
    & skf21("3","7","6","1","5","6","4","1") = "6"
    & skf21("3","7","6","1","5","6","5","1") = "6"
    & skf21("3","7","6","1","5","6","6","1") = "6"
    & skf21("3","7","6","1","5","6","7","1") = "6"
    & skf21("3","7","6","1","5","7","1","1") = "6"
    & skf21("3","7","6","1","5","7","2","1") = "6"
    & skf21("3","7","6","1","5","7","3","1") = "6"
    & skf21("3","7","6","1","5","7","4","1") = "6"
    & skf21("3","7","6","1","5","7","5","1") = "6"
    & skf21("3","7","6","1","5","7","6","1") = "6"
    & skf21("3","7","6","1","5","7","7","1") = "6"
    & skf21("3","7","6","1","6","1","1","1") = "6"
    & skf21("3","7","6","1","6","1","2","1") = "6"
    & skf21("3","7","6","1","6","1","3","1") = "6"
    & skf21("3","7","6","1","6","1","4","1") = "6"
    & skf21("3","7","6","1","6","1","5","1") = "6"
    & skf21("3","7","6","1","6","1","6","1") = "6"
    & skf21("3","7","6","1","6","1","7","1") = "6"
    & skf21("3","7","6","1","6","2","1","1") = "6"
    & skf21("3","7","6","1","6","2","2","1") = "6"
    & skf21("3","7","6","1","6","2","3","1") = "6"
    & skf21("3","7","6","1","6","2","4","1") = "6"
    & skf21("3","7","6","1","6","2","5","1") = "6"
    & skf21("3","7","6","1","6","2","6","1") = "6"
    & skf21("3","7","6","1","6","2","7","1") = "6"
    & skf21("3","7","6","1","6","3","1","1") = "6"
    & skf21("3","7","6","1","6","3","2","1") = "6"
    & skf21("3","7","6","1","6","3","3","1") = "6"
    & skf21("3","7","6","1","6","3","4","1") = "6"
    & skf21("3","7","6","1","6","3","5","1") = "6"
    & skf21("3","7","6","1","6","3","6","1") = "6"
    & skf21("3","7","6","1","6","3","7","1") = "6"
    & skf21("3","7","6","1","6","4","1","1") = "6"
    & skf21("3","7","6","1","6","4","2","1") = "6"
    & skf21("3","7","6","1","6","4","3","1") = "6"
    & skf21("3","7","6","1","6","4","4","1") = "6"
    & skf21("3","7","6","1","6","4","5","1") = "6"
    & skf21("3","7","6","1","6","4","6","1") = "6"
    & skf21("3","7","6","1","6","4","7","1") = "6"
    & skf21("3","7","6","1","6","5","1","1") = "6"
    & skf21("3","7","6","1","6","5","2","1") = "6"
    & skf21("3","7","6","1","6","5","3","1") = "6"
    & skf21("3","7","6","1","6","5","4","1") = "6"
    & skf21("3","7","6","1","6","5","5","1") = "6"
    & skf21("3","7","6","1","6","5","6","1") = "6"
    & skf21("3","7","6","1","6","5","7","1") = "6"
    & skf21("3","7","6","1","6","6","1","1") = "6"
    & skf21("3","7","6","1","6","6","2","1") = "6"
    & skf21("3","7","6","1","6","6","3","1") = "6"
    & skf21("3","7","6","1","6","6","4","1") = "6"
    & skf21("3","7","6","1","6","6","5","1") = "6"
    & skf21("3","7","6","1","6","6","6","1") = "6"
    & skf21("3","7","6","1","6","6","7","1") = "6"
    & skf21("3","7","6","1","6","7","1","1") = "6"
    & skf21("3","7","6","1","6","7","2","1") = "6"
    & skf21("3","7","6","1","6","7","3","1") = "6"
    & skf21("3","7","6","1","6","7","4","1") = "6"
    & skf21("3","7","6","1","6","7","5","1") = "6"
    & skf21("3","7","6","1","6","7","6","1") = "6"
    & skf21("3","7","6","1","6","7","7","1") = "6"
    & skf21("3","7","6","1","7","1","1","1") = "6"
    & skf21("3","7","6","1","7","1","2","1") = "6"
    & skf21("3","7","6","1","7","1","3","1") = "6"
    & skf21("3","7","6","1","7","1","4","1") = "6"
    & skf21("3","7","6","1","7","1","5","1") = "6"
    & skf21("3","7","6","1","7","1","6","1") = "6"
    & skf21("3","7","6","1","7","1","7","1") = "6"
    & skf21("3","7","6","1","7","2","1","1") = "6"
    & skf21("3","7","6","1","7","2","2","1") = "6"
    & skf21("3","7","6","1","7","2","3","1") = "6"
    & skf21("3","7","6","1","7","2","4","1") = "6"
    & skf21("3","7","6","1","7","2","5","1") = "6"
    & skf21("3","7","6","1","7","2","6","1") = "6"
    & skf21("3","7","6","1","7","2","7","1") = "6"
    & skf21("3","7","6","1","7","3","1","1") = "6"
    & skf21("3","7","6","1","7","3","2","1") = "6"
    & skf21("3","7","6","1","7","3","3","1") = "6"
    & skf21("3","7","6","1","7","3","4","1") = "6"
    & skf21("3","7","6","1","7","3","5","1") = "6"
    & skf21("3","7","6","1","7","3","6","1") = "6"
    & skf21("3","7","6","1","7","3","7","1") = "6"
    & skf21("3","7","6","1","7","4","1","1") = "6"
    & skf21("3","7","6","1","7","4","2","1") = "6"
    & skf21("3","7","6","1","7","4","3","1") = "6"
    & skf21("3","7","6","1","7","4","4","1") = "6"
    & skf21("3","7","6","1","7","4","5","1") = "6"
    & skf21("3","7","6","1","7","4","6","1") = "6"
    & skf21("3","7","6","1","7","4","7","1") = "6"
    & skf21("3","7","6","1","7","5","1","1") = "6"
    & skf21("3","7","6","1","7","5","2","1") = "6"
    & skf21("3","7","6","1","7","5","3","1") = "6"
    & skf21("3","7","6","1","7","5","4","1") = "6"
    & skf21("3","7","6","1","7","5","5","1") = "6"
    & skf21("3","7","6","1","7","5","6","1") = "6"
    & skf21("3","7","6","1","7","5","7","1") = "6"
    & skf21("3","7","6","1","7","6","1","1") = "6"
    & skf21("3","7","6","1","7","6","2","1") = "6"
    & skf21("3","7","6","1","7","6","3","1") = "6"
    & skf21("3","7","6","1","7","6","4","1") = "6"
    & skf21("3","7","6","1","7","6","5","1") = "6"
    & skf21("3","7","6","1","7","6","6","1") = "6"
    & skf21("3","7","6","1","7","6","7","1") = "6"
    & skf21("3","7","6","1","7","7","1","1") = "6"
    & skf21("3","7","6","1","7","7","2","1") = "6"
    & skf21("3","7","6","1","7","7","3","1") = "6"
    & skf21("3","7","6","1","7","7","4","1") = "6"
    & skf21("3","7","6","1","7","7","5","1") = "6"
    & skf21("3","7","6","1","7","7","6","1") = "6"
    & skf21("3","7","6","1","7","7","7","1") = "6"
    & skf21("3","7","6","2","1","1","1","1") = "6"
    & skf21("3","7","6","2","1","1","2","1") = "6"
    & skf21("3","7","6","2","1","1","3","1") = "6"
    & skf21("3","7","6","2","1","1","4","1") = "6"
    & skf21("3","7","6","2","1","1","5","1") = "6"
    & skf21("3","7","6","2","1","1","6","1") = "6"
    & skf21("3","7","6","2","1","1","7","1") = "6"
    & skf21("3","7","6","2","1","2","1","1") = "6"
    & skf21("3","7","6","2","1","2","2","1") = "6"
    & skf21("3","7","6","2","1","2","3","1") = "6"
    & skf21("3","7","6","2","1","2","4","1") = "6"
    & skf21("3","7","6","2","1","2","5","1") = "6"
    & skf21("3","7","6","2","1","2","6","1") = "6"
    & skf21("3","7","6","2","1","2","7","1") = "6"
    & skf21("3","7","6","2","1","3","1","1") = "6"
    & skf21("3","7","6","2","1","3","2","1") = "6"
    & skf21("3","7","6","2","1","3","3","1") = "6"
    & skf21("3","7","6","2","1","3","4","1") = "6"
    & skf21("3","7","6","2","1","3","5","1") = "6"
    & skf21("3","7","6","2","1","3","6","1") = "6"
    & skf21("3","7","6","2","1","3","7","1") = "6"
    & skf21("3","7","6","2","1","4","1","1") = "6"
    & skf21("3","7","6","2","1","4","2","1") = "6"
    & skf21("3","7","6","2","1","4","3","1") = "6"
    & skf21("3","7","6","2","1","4","4","1") = "6"
    & skf21("3","7","6","2","1","4","5","1") = "6"
    & skf21("3","7","6","2","1","4","6","1") = "6"
    & skf21("3","7","6","2","1","4","7","1") = "6"
    & skf21("3","7","6","2","1","5","1","1") = "6"
    & skf21("3","7","6","2","1","5","2","1") = "6"
    & skf21("3","7","6","2","1","5","3","1") = "6"
    & skf21("3","7","6","2","1","5","4","1") = "6"
    & skf21("3","7","6","2","1","5","5","1") = "6"
    & skf21("3","7","6","2","1","5","6","1") = "6"
    & skf21("3","7","6","2","1","5","7","1") = "6"
    & skf21("3","7","6","2","1","6","1","1") = "6"
    & skf21("3","7","6","2","1","6","2","1") = "6"
    & skf21("3","7","6","2","1","6","3","1") = "6"
    & skf21("3","7","6","2","1","6","4","1") = "6"
    & skf21("3","7","6","2","1","6","5","1") = "6"
    & skf21("3","7","6","2","1","6","6","1") = "6"
    & skf21("3","7","6","2","1","6","7","1") = "6"
    & skf21("3","7","6","2","1","7","1","1") = "6"
    & skf21("3","7","6","2","1","7","2","1") = "6"
    & skf21("3","7","6","2","1","7","3","1") = "6"
    & skf21("3","7","6","2","1","7","4","1") = "6"
    & skf21("3","7","6","2","1","7","5","1") = "6"
    & skf21("3","7","6","2","1","7","6","1") = "6"
    & skf21("3","7","6","2","1","7","7","1") = "6"
    & skf21("3","7","6","2","2","1","1","1") = "6"
    & skf21("3","7","6","2","2","1","2","1") = "6"
    & skf21("3","7","6","2","2","1","3","1") = "6"
    & skf21("3","7","6","2","2","1","4","1") = "6"
    & skf21("3","7","6","2","2","1","5","1") = "6"
    & skf21("3","7","6","2","2","1","6","1") = "6"
    & skf21("3","7","6","2","2","1","7","1") = "6"
    & skf21("3","7","6","2","2","2","1","1") = "6"
    & skf21("3","7","6","2","2","2","2","1") = "6"
    & skf21("3","7","6","2","2","2","3","1") = "6"
    & skf21("3","7","6","2","2","2","4","1") = "6"
    & skf21("3","7","6","2","2","2","5","1") = "6"
    & skf21("3","7","6","2","2","2","6","1") = "6"
    & skf21("3","7","6","2","2","2","7","1") = "6"
    & skf21("3","7","6","2","2","3","1","1") = "6"
    & skf21("3","7","6","2","2","3","2","1") = "6"
    & skf21("3","7","6","2","2","3","3","1") = "6"
    & skf21("3","7","6","2","2","3","4","1") = "6"
    & skf21("3","7","6","2","2","3","5","1") = "6"
    & skf21("3","7","6","2","2","3","6","1") = "6"
    & skf21("3","7","6","2","2","3","7","1") = "6"
    & skf21("3","7","6","2","2","4","1","1") = "6"
    & skf21("3","7","6","2","2","4","2","1") = "6"
    & skf21("3","7","6","2","2","4","3","1") = "6"
    & skf21("3","7","6","2","2","4","4","1") = "6"
    & skf21("3","7","6","2","2","4","5","1") = "6"
    & skf21("3","7","6","2","2","4","6","1") = "6"
    & skf21("3","7","6","2","2","4","7","1") = "6"
    & skf21("3","7","6","2","2","5","1","1") = "6"
    & skf21("3","7","6","2","2","5","2","1") = "6"
    & skf21("3","7","6","2","2","5","3","1") = "6"
    & skf21("3","7","6","2","2","5","4","1") = "6"
    & skf21("3","7","6","2","2","5","5","1") = "6"
    & skf21("3","7","6","2","2","5","6","1") = "6"
    & skf21("3","7","6","2","2","5","7","1") = "6"
    & skf21("3","7","6","2","2","6","1","1") = "6"
    & skf21("3","7","6","2","2","6","2","1") = "6"
    & skf21("3","7","6","2","2","6","3","1") = "6"
    & skf21("3","7","6","2","2","6","4","1") = "6"
    & skf21("3","7","6","2","2","6","5","1") = "6"
    & skf21("3","7","6","2","2","6","6","1") = "6"
    & skf21("3","7","6","2","2","6","7","1") = "6"
    & skf21("3","7","6","2","2","7","1","1") = "6"
    & skf21("3","7","6","2","2","7","2","1") = "6"
    & skf21("3","7","6","2","2","7","3","1") = "6"
    & skf21("3","7","6","2","2","7","4","1") = "6"
    & skf21("3","7","6","2","2","7","5","1") = "6"
    & skf21("3","7","6","2","2","7","6","1") = "6"
    & skf21("3","7","6","2","2","7","7","1") = "6"
    & skf21("3","7","6","2","3","1","1","1") = "6"
    & skf21("3","7","6","2","3","1","2","1") = "6"
    & skf21("3","7","6","2","3","1","3","1") = "6"
    & skf21("3","7","6","2","3","1","4","1") = "6"
    & skf21("3","7","6","2","3","1","5","1") = "6"
    & skf21("3","7","6","2","3","1","6","1") = "6"
    & skf21("3","7","6","2","3","1","7","1") = "6"
    & skf21("3","7","6","2","3","2","1","1") = "6"
    & skf21("3","7","6","2","3","2","2","1") = "6"
    & skf21("3","7","6","2","3","2","3","1") = "6"
    & skf21("3","7","6","2","3","2","4","1") = "6"
    & skf21("3","7","6","2","3","2","5","1") = "6"
    & skf21("3","7","6","2","3","2","6","1") = "6"
    & skf21("3","7","6","2","3","2","7","1") = "6"
    & skf21("3","7","6","2","3","3","1","1") = "6"
    & skf21("3","7","6","2","3","3","2","1") = "6"
    & skf21("3","7","6","2","3","3","3","1") = "6"
    & skf21("3","7","6","2","3","3","4","1") = "6"
    & skf21("3","7","6","2","3","3","5","1") = "6"
    & skf21("3","7","6","2","3","3","6","1") = "6"
    & skf21("3","7","6","2","3","3","7","1") = "6"
    & skf21("3","7","6","2","3","4","1","1") = "6"
    & skf21("3","7","6","2","3","4","2","1") = "6"
    & skf21("3","7","6","2","3","4","3","1") = "6"
    & skf21("3","7","6","2","3","4","4","1") = "6"
    & skf21("3","7","6","2","3","4","5","1") = "6"
    & skf21("3","7","6","2","3","4","6","1") = "6"
    & skf21("3","7","6","2","3","4","7","1") = "6"
    & skf21("3","7","6","2","3","5","1","1") = "6"
    & skf21("3","7","6","2","3","5","2","1") = "6"
    & skf21("3","7","6","2","3","5","3","1") = "6"
    & skf21("3","7","6","2","3","5","4","1") = "6"
    & skf21("3","7","6","2","3","5","5","1") = "6"
    & skf21("3","7","6","2","3","5","6","1") = "6"
    & skf21("3","7","6","2","3","5","7","1") = "6"
    & skf21("3","7","6","2","3","6","1","1") = "6"
    & skf21("3","7","6","2","3","6","2","1") = "6"
    & skf21("3","7","6","2","3","6","3","1") = "6"
    & skf21("3","7","6","2","3","6","4","1") = "6"
    & skf21("3","7","6","2","3","6","5","1") = "6"
    & skf21("3","7","6","2","3","6","6","1") = "6"
    & skf21("3","7","6","2","3","6","7","1") = "6"
    & skf21("3","7","6","2","3","7","1","1") = "6"
    & skf21("3","7","6","2","3","7","2","1") = "6"
    & skf21("3","7","6","2","3","7","3","1") = "6"
    & skf21("3","7","6","2","3","7","4","1") = "6"
    & skf21("3","7","6","2","3","7","5","1") = "6"
    & skf21("3","7","6","2","3","7","6","1") = "6"
    & skf21("3","7","6","2","3","7","7","1") = "6"
    & skf21("3","7","6","2","4","1","1","1") = "6"
    & skf21("3","7","6","2","4","1","2","1") = "6"
    & skf21("3","7","6","2","4","1","3","1") = "6"
    & skf21("3","7","6","2","4","1","4","1") = "6"
    & skf21("3","7","6","2","4","1","5","1") = "6"
    & skf21("3","7","6","2","4","1","6","1") = "6"
    & skf21("3","7","6","2","4","1","7","1") = "6"
    & skf21("3","7","6","2","4","2","1","1") = "6"
    & skf21("3","7","6","2","4","2","2","1") = "6"
    & skf21("3","7","6","2","4","2","3","1") = "6"
    & skf21("3","7","6","2","4","2","4","1") = "6"
    & skf21("3","7","6","2","4","2","5","1") = "6"
    & skf21("3","7","6","2","4","2","6","1") = "6"
    & skf21("3","7","6","2","4","2","7","1") = "6"
    & skf21("3","7","6","2","4","3","1","1") = "6"
    & skf21("3","7","6","2","4","3","2","1") = "6"
    & skf21("3","7","6","2","4","3","3","1") = "6"
    & skf21("3","7","6","2","4","3","4","1") = "6"
    & skf21("3","7","6","2","4","3","5","1") = "6"
    & skf21("3","7","6","2","4","3","6","1") = "6"
    & skf21("3","7","6","2","4","3","7","1") = "6"
    & skf21("3","7","6","2","4","4","1","1") = "6"
    & skf21("3","7","6","2","4","4","2","1") = "6"
    & skf21("3","7","6","2","4","4","3","1") = "6"
    & skf21("3","7","6","2","4","4","4","1") = "6"
    & skf21("3","7","6","2","4","4","5","1") = "6"
    & skf21("3","7","6","2","4","4","6","1") = "6"
    & skf21("3","7","6","2","4","4","7","1") = "6"
    & skf21("3","7","6","2","4","5","1","1") = "6"
    & skf21("3","7","6","2","4","5","2","1") = "6"
    & skf21("3","7","6","2","4","5","3","1") = "6"
    & skf21("3","7","6","2","4","5","4","1") = "6"
    & skf21("3","7","6","2","4","5","5","1") = "6"
    & skf21("3","7","6","2","4","5","6","1") = "6"
    & skf21("3","7","6","2","4","5","7","1") = "6"
    & skf21("3","7","6","2","4","6","1","1") = "6"
    & skf21("3","7","6","2","4","6","2","1") = "6"
    & skf21("3","7","6","2","4","6","3","1") = "6"
    & skf21("3","7","6","2","4","6","4","1") = "6"
    & skf21("3","7","6","2","4","6","5","1") = "6"
    & skf21("3","7","6","2","4","6","6","1") = "6"
    & skf21("3","7","6","2","4","6","7","1") = "6"
    & skf21("3","7","6","2","4","7","1","1") = "6"
    & skf21("3","7","6","2","4","7","2","1") = "6"
    & skf21("3","7","6","2","4","7","3","1") = "6"
    & skf21("3","7","6","2","4","7","4","1") = "6"
    & skf21("3","7","6","2","4","7","5","1") = "6"
    & skf21("3","7","6","2","4","7","6","1") = "6"
    & skf21("3","7","6","2","4","7","7","1") = "6"
    & skf21("3","7","6","2","5","1","1","1") = "6"
    & skf21("3","7","6","2","5","1","2","1") = "6"
    & skf21("3","7","6","2","5","1","3","1") = "6"
    & skf21("3","7","6","2","5","1","4","1") = "6"
    & skf21("3","7","6","2","5","1","5","1") = "6"
    & skf21("3","7","6","2","5","1","6","1") = "6"
    & skf21("3","7","6","2","5","1","7","1") = "6"
    & skf21("3","7","6","2","5","2","1","1") = "6"
    & skf21("3","7","6","2","5","2","2","1") = "6"
    & skf21("3","7","6","2","5","2","3","1") = "6"
    & skf21("3","7","6","2","5","2","4","1") = "6"
    & skf21("3","7","6","2","5","2","5","1") = "6"
    & skf21("3","7","6","2","5","2","6","1") = "6"
    & skf21("3","7","6","2","5","2","7","1") = "6"
    & skf21("3","7","6","2","5","3","1","1") = "6"
    & skf21("3","7","6","2","5","3","2","1") = "6"
    & skf21("3","7","6","2","5","3","3","1") = "6"
    & skf21("3","7","6","2","5","3","4","1") = "6"
    & skf21("3","7","6","2","5","3","5","1") = "6"
    & skf21("3","7","6","2","5","3","6","1") = "6"
    & skf21("3","7","6","2","5","3","7","1") = "6"
    & skf21("3","7","6","2","5","4","1","1") = "6"
    & skf21("3","7","6","2","5","4","2","1") = "6"
    & skf21("3","7","6","2","5","4","3","1") = "6"
    & skf21("3","7","6","2","5","4","4","1") = "6"
    & skf21("3","7","6","2","5","4","5","1") = "6"
    & skf21("3","7","6","2","5","4","6","1") = "6"
    & skf21("3","7","6","2","5","4","7","1") = "6"
    & skf21("3","7","6","2","5","5","1","1") = "6"
    & skf21("3","7","6","2","5","5","2","1") = "6"
    & skf21("3","7","6","2","5","5","3","1") = "6"
    & skf21("3","7","6","2","5","5","4","1") = "6"
    & skf21("3","7","6","2","5","5","5","1") = "6"
    & skf21("3","7","6","2","5","5","6","1") = "6"
    & skf21("3","7","6","2","5","5","7","1") = "6"
    & skf21("3","7","6","2","5","6","1","1") = "6"
    & skf21("3","7","6","2","5","6","2","1") = "6"
    & skf21("3","7","6","2","5","6","3","1") = "6"
    & skf21("3","7","6","2","5","6","4","1") = "6"
    & skf21("3","7","6","2","5","6","5","1") = "6"
    & skf21("3","7","6","2","5","6","6","1") = "6"
    & skf21("3","7","6","2","5","6","7","1") = "6"
    & skf21("3","7","6","2","5","7","1","1") = "6"
    & skf21("3","7","6","2","5","7","2","1") = "6"
    & skf21("3","7","6","2","5","7","3","1") = "6"
    & skf21("3","7","6","2","5","7","4","1") = "6"
    & skf21("3","7","6","2","5","7","5","1") = "6"
    & skf21("3","7","6","2","5","7","6","1") = "6"
    & skf21("3","7","6","2","5","7","7","1") = "6"
    & skf21("3","7","6","2","6","1","1","1") = "6"
    & skf21("3","7","6","2","6","1","2","1") = "6"
    & skf21("3","7","6","2","6","1","3","1") = "6"
    & skf21("3","7","6","2","6","1","4","1") = "6"
    & skf21("3","7","6","2","6","1","5","1") = "6"
    & skf21("3","7","6","2","6","1","6","1") = "6"
    & skf21("3","7","6","2","6","1","7","1") = "6"
    & skf21("3","7","6","2","6","2","1","1") = "6"
    & skf21("3","7","6","2","6","2","2","1") = "6"
    & skf21("3","7","6","2","6","2","3","1") = "6"
    & skf21("3","7","6","2","6","2","4","1") = "6"
    & skf21("3","7","6","2","6","2","5","1") = "6"
    & skf21("3","7","6","2","6","2","6","1") = "6"
    & skf21("3","7","6","2","6","2","7","1") = "6"
    & skf21("3","7","6","2","6","3","1","1") = "6"
    & skf21("3","7","6","2","6","3","2","1") = "6"
    & skf21("3","7","6","2","6","3","3","1") = "6"
    & skf21("3","7","6","2","6","3","4","1") = "6"
    & skf21("3","7","6","2","6","3","5","1") = "6"
    & skf21("3","7","6","2","6","3","6","1") = "6"
    & skf21("3","7","6","2","6","3","7","1") = "6"
    & skf21("3","7","6","2","6","4","1","1") = "6"
    & skf21("3","7","6","2","6","4","2","1") = "6"
    & skf21("3","7","6","2","6","4","3","1") = "6"
    & skf21("3","7","6","2","6","4","4","1") = "6"
    & skf21("3","7","6","2","6","4","5","1") = "6"
    & skf21("3","7","6","2","6","4","6","1") = "6"
    & skf21("3","7","6","2","6","4","7","1") = "6"
    & skf21("3","7","6","2","6","5","1","1") = "6"
    & skf21("3","7","6","2","6","5","2","1") = "6"
    & skf21("3","7","6","2","6","5","3","1") = "6"
    & skf21("3","7","6","2","6","5","4","1") = "6"
    & skf21("3","7","6","2","6","5","5","1") = "6"
    & skf21("3","7","6","2","6","5","6","1") = "6"
    & skf21("3","7","6","2","6","5","7","1") = "6"
    & skf21("3","7","6","2","6","6","1","1") = "6"
    & skf21("3","7","6","2","6","6","2","1") = "6"
    & skf21("3","7","6","2","6","6","3","1") = "6"
    & skf21("3","7","6","2","6","6","4","1") = "6"
    & skf21("3","7","6","2","6","6","5","1") = "6"
    & skf21("3","7","6","2","6","6","6","1") = "6"
    & skf21("3","7","6","2","6","6","7","1") = "6"
    & skf21("3","7","6","2","6","7","1","1") = "6"
    & skf21("3","7","6","2","6","7","2","1") = "6"
    & skf21("3","7","6","2","6","7","3","1") = "6"
    & skf21("3","7","6","2","6","7","4","1") = "6"
    & skf21("3","7","6","2","6","7","5","1") = "6"
    & skf21("3","7","6","2","6","7","6","1") = "6"
    & skf21("3","7","6","2","6","7","7","1") = "6"
    & skf21("3","7","6","2","7","1","1","1") = "6"
    & skf21("3","7","6","2","7","1","2","1") = "6"
    & skf21("3","7","6","2","7","1","3","1") = "6"
    & skf21("3","7","6","2","7","1","4","1") = "6"
    & skf21("3","7","6","2","7","1","5","1") = "6"
    & skf21("3","7","6","2","7","1","6","1") = "6"
    & skf21("3","7","6","2","7","1","7","1") = "6"
    & skf21("3","7","6","2","7","2","1","1") = "6"
    & skf21("3","7","6","2","7","2","2","1") = "6"
    & skf21("3","7","6","2","7","2","3","1") = "6"
    & skf21("3","7","6","2","7","2","4","1") = "6"
    & skf21("3","7","6","2","7","2","5","1") = "6"
    & skf21("3","7","6","2","7","2","6","1") = "6"
    & skf21("3","7","6","2","7","2","7","1") = "6"
    & skf21("3","7","6","2","7","3","1","1") = "6"
    & skf21("3","7","6","2","7","3","2","1") = "6"
    & skf21("3","7","6","2","7","3","3","1") = "6"
    & skf21("3","7","6","2","7","3","4","1") = "6"
    & skf21("3","7","6","2","7","3","5","1") = "6"
    & skf21("3","7","6","2","7","3","6","1") = "6"
    & skf21("3","7","6","2","7","3","7","1") = "6"
    & skf21("3","7","6","2","7","4","1","1") = "6"
    & skf21("3","7","6","2","7","4","2","1") = "6"
    & skf21("3","7","6","2","7","4","3","1") = "6"
    & skf21("3","7","6","2","7","4","4","1") = "6"
    & skf21("3","7","6","2","7","4","5","1") = "6"
    & skf21("3","7","6","2","7","4","6","1") = "6"
    & skf21("3","7","6","2","7","4","7","1") = "6"
    & skf21("3","7","6","2","7","5","1","1") = "6"
    & skf21("3","7","6","2","7","5","2","1") = "6"
    & skf21("3","7","6","2","7","5","3","1") = "6"
    & skf21("3","7","6","2","7","5","4","1") = "6"
    & skf21("3","7","6","2","7","5","5","1") = "6"
    & skf21("3","7","6","2","7","5","6","1") = "6"
    & skf21("3","7","6","2","7","5","7","1") = "6"
    & skf21("3","7","6","2","7","6","1","1") = "6"
    & skf21("3","7","6","2","7","6","2","1") = "6"
    & skf21("3","7","6","2","7","6","3","1") = "6"
    & skf21("3","7","6","2","7","6","4","1") = "6"
    & skf21("3","7","6","2","7","6","5","1") = "6"
    & skf21("3","7","6","2","7","6","6","1") = "6"
    & skf21("3","7","6","2","7","6","7","1") = "6"
    & skf21("3","7","6","2","7","7","1","1") = "6"
    & skf21("3","7","6","2","7","7","2","1") = "6"
    & skf21("3","7","6","2","7","7","3","1") = "6"
    & skf21("3","7","6","2","7","7","4","1") = "6"
    & skf21("3","7","6","2","7","7","5","1") = "6"
    & skf21("3","7","6","2","7","7","6","1") = "6"
    & skf21("3","7","6","2","7","7","7","1") = "6"
    & skf21("3","7","6","3","1","1","1","1") = "6"
    & skf21("3","7","6","3","1","1","2","1") = "6"
    & skf21("3","7","6","3","1","1","3","1") = "6"
    & skf21("3","7","6","3","1","1","4","1") = "6"
    & skf21("3","7","6","3","1","1","5","1") = "6"
    & skf21("3","7","6","3","1","1","6","1") = "6"
    & skf21("3","7","6","3","1","1","7","1") = "6"
    & skf21("3","7","6","3","1","2","1","1") = "6"
    & skf21("3","7","6","3","1","2","2","1") = "6"
    & skf21("3","7","6","3","1","2","3","1") = "6"
    & skf21("3","7","6","3","1","2","4","1") = "6"
    & skf21("3","7","6","3","1","2","5","1") = "6"
    & skf21("3","7","6","3","1","2","6","1") = "6"
    & skf21("3","7","6","3","1","2","7","1") = "6"
    & skf21("3","7","6","3","1","3","1","1") = "6"
    & skf21("3","7","6","3","1","3","2","1") = "6"
    & skf21("3","7","6","3","1","3","3","1") = "6"
    & skf21("3","7","6","3","1","3","4","1") = "6"
    & skf21("3","7","6","3","1","3","5","1") = "6"
    & skf21("3","7","6","3","1","3","6","1") = "6"
    & skf21("3","7","6","3","1","3","7","1") = "6"
    & skf21("3","7","6","3","1","4","1","1") = "6"
    & skf21("3","7","6","3","1","4","2","1") = "6"
    & skf21("3","7","6","3","1","4","3","1") = "6"
    & skf21("3","7","6","3","1","4","4","1") = "6"
    & skf21("3","7","6","3","1","4","5","1") = "6"
    & skf21("3","7","6","3","1","4","6","1") = "6"
    & skf21("3","7","6","3","1","4","7","1") = "6"
    & skf21("3","7","6","3","1","5","1","1") = "6"
    & skf21("3","7","6","3","1","5","2","1") = "6"
    & skf21("3","7","6","3","1","5","3","1") = "6"
    & skf21("3","7","6","3","1","5","4","1") = "6"
    & skf21("3","7","6","3","1","5","5","1") = "6"
    & skf21("3","7","6","3","1","5","6","1") = "6"
    & skf21("3","7","6","3","1","5","7","1") = "6"
    & skf21("3","7","6","3","1","6","1","1") = "6"
    & skf21("3","7","6","3","1","6","2","1") = "6"
    & skf21("3","7","6","3","1","6","3","1") = "6"
    & skf21("3","7","6","3","1","6","4","1") = "6"
    & skf21("3","7","6","3","1","6","5","1") = "6"
    & skf21("3","7","6","3","1","6","6","1") = "6"
    & skf21("3","7","6","3","1","6","7","1") = "6"
    & skf21("3","7","6","3","1","7","1","1") = "6"
    & skf21("3","7","6","3","1","7","2","1") = "6"
    & skf21("3","7","6","3","1","7","3","1") = "6"
    & skf21("3","7","6","3","1","7","4","1") = "6"
    & skf21("3","7","6","3","1","7","5","1") = "6"
    & skf21("3","7","6","3","1","7","6","1") = "6"
    & skf21("3","7","6","3","1","7","7","1") = "6"
    & skf21("3","7","6","3","2","1","1","1") = "6"
    & skf21("3","7","6","3","2","1","2","1") = "6"
    & skf21("3","7","6","3","2","1","3","1") = "6"
    & skf21("3","7","6","3","2","1","4","1") = "6"
    & skf21("3","7","6","3","2","1","5","1") = "6"
    & skf21("3","7","6","3","2","1","6","1") = "6"
    & skf21("3","7","6","3","2","1","7","1") = "6"
    & skf21("3","7","6","3","2","2","1","1") = "6"
    & skf21("3","7","6","3","2","2","2","1") = "6"
    & skf21("3","7","6","3","2","2","3","1") = "6"
    & skf21("3","7","6","3","2","2","4","1") = "6"
    & skf21("3","7","6","3","2","2","5","1") = "6"
    & skf21("3","7","6","3","2","2","6","1") = "6"
    & skf21("3","7","6","3","2","2","7","1") = "6"
    & skf21("3","7","6","3","2","3","1","1") = "6"
    & skf21("3","7","6","3","2","3","2","1") = "6"
    & skf21("3","7","6","3","2","3","3","1") = "6"
    & skf21("3","7","6","3","2","3","4","1") = "6"
    & skf21("3","7","6","3","2","3","5","1") = "6"
    & skf21("3","7","6","3","2","3","6","1") = "6"
    & skf21("3","7","6","3","2","3","7","1") = "6"
    & skf21("3","7","6","3","2","4","1","1") = "6"
    & skf21("3","7","6","3","2","4","2","1") = "6"
    & skf21("3","7","6","3","2","4","3","1") = "6"
    & skf21("3","7","6","3","2","4","4","1") = "6"
    & skf21("3","7","6","3","2","4","5","1") = "6"
    & skf21("3","7","6","3","2","4","6","1") = "6"
    & skf21("3","7","6","3","2","4","7","1") = "6"
    & skf21("3","7","6","3","2","5","1","1") = "6"
    & skf21("3","7","6","3","2","5","2","1") = "6"
    & skf21("3","7","6","3","2","5","3","1") = "6"
    & skf21("3","7","6","3","2","5","4","1") = "6"
    & skf21("3","7","6","3","2","5","5","1") = "6"
    & skf21("3","7","6","3","2","5","6","1") = "6"
    & skf21("3","7","6","3","2","5","7","1") = "6"
    & skf21("3","7","6","3","2","6","1","1") = "6"
    & skf21("3","7","6","3","2","6","2","1") = "6"
    & skf21("3","7","6","3","2","6","3","1") = "6"
    & skf21("3","7","6","3","2","6","4","1") = "6"
    & skf21("3","7","6","3","2","6","5","1") = "6"
    & skf21("3","7","6","3","2","6","6","1") = "6"
    & skf21("3","7","6","3","2","6","7","1") = "6"
    & skf21("3","7","6","3","2","7","1","1") = "6"
    & skf21("3","7","6","3","2","7","2","1") = "6"
    & skf21("3","7","6","3","2","7","3","1") = "6"
    & skf21("3","7","6","3","2","7","4","1") = "6"
    & skf21("3","7","6","3","2","7","5","1") = "6"
    & skf21("3","7","6","3","2","7","6","1") = "6"
    & skf21("3","7","6","3","2","7","7","1") = "6"
    & skf21("3","7","6","3","3","1","1","1") = "6"
    & skf21("3","7","6","3","3","1","2","1") = "6"
    & skf21("3","7","6","3","3","1","3","1") = "6"
    & skf21("3","7","6","3","3","1","4","1") = "6"
    & skf21("3","7","6","3","3","1","5","1") = "6"
    & skf21("3","7","6","3","3","1","6","1") = "6"
    & skf21("3","7","6","3","3","1","7","1") = "6"
    & skf21("3","7","6","3","3","2","1","1") = "6"
    & skf21("3","7","6","3","3","2","2","1") = "6"
    & skf21("3","7","6","3","3","2","3","1") = "6"
    & skf21("3","7","6","3","3","2","4","1") = "6"
    & skf21("3","7","6","3","3","2","5","1") = "6"
    & skf21("3","7","6","3","3","2","6","1") = "6"
    & skf21("3","7","6","3","3","2","7","1") = "6"
    & skf21("3","7","6","3","3","3","1","1") = "6"
    & skf21("3","7","6","3","3","3","2","1") = "6"
    & skf21("3","7","6","3","3","3","3","1") = "6"
    & skf21("3","7","6","3","3","3","4","1") = "6"
    & skf21("3","7","6","3","3","3","5","1") = "6"
    & skf21("3","7","6","3","3","3","6","1") = "6"
    & skf21("3","7","6","3","3","3","7","1") = "6"
    & skf21("3","7","6","3","3","4","1","1") = "6"
    & skf21("3","7","6","3","3","4","2","1") = "6"
    & skf21("3","7","6","3","3","4","3","1") = "6"
    & skf21("3","7","6","3","3","4","4","1") = "6"
    & skf21("3","7","6","3","3","4","5","1") = "6"
    & skf21("3","7","6","3","3","4","6","1") = "6"
    & skf21("3","7","6","3","3","4","7","1") = "6"
    & skf21("3","7","6","3","3","5","1","1") = "6"
    & skf21("3","7","6","3","3","5","2","1") = "6"
    & skf21("3","7","6","3","3","5","3","1") = "6"
    & skf21("3","7","6","3","3","5","4","1") = "6"
    & skf21("3","7","6","3","3","5","5","1") = "6"
    & skf21("3","7","6","3","3","5","6","1") = "6"
    & skf21("3","7","6","3","3","5","7","1") = "6"
    & skf21("3","7","6","3","3","6","1","1") = "6"
    & skf21("3","7","6","3","3","6","2","1") = "6"
    & skf21("3","7","6","3","3","6","3","1") = "6"
    & skf21("3","7","6","3","3","6","4","1") = "6"
    & skf21("3","7","6","3","3","6","5","1") = "6"
    & skf21("3","7","6","3","3","6","6","1") = "6"
    & skf21("3","7","6","3","3","6","7","1") = "6"
    & skf21("3","7","6","3","3","7","1","1") = "6"
    & skf21("3","7","6","3","3","7","2","1") = "6"
    & skf21("3","7","6","3","3","7","3","1") = "6"
    & skf21("3","7","6","3","3","7","4","1") = "6"
    & skf21("3","7","6","3","3","7","5","1") = "6"
    & skf21("3","7","6","3","3","7","6","1") = "6"
    & skf21("3","7","6","3","3","7","7","1") = "6"
    & skf21("3","7","6","3","4","1","1","1") = "6"
    & skf21("3","7","6","3","4","1","2","1") = "6"
    & skf21("3","7","6","3","4","1","3","1") = "6"
    & skf21("3","7","6","3","4","1","4","1") = "6"
    & skf21("3","7","6","3","4","1","5","1") = "6"
    & skf21("3","7","6","3","4","1","6","1") = "6"
    & skf21("3","7","6","3","4","1","7","1") = "6"
    & skf21("3","7","6","3","4","2","1","1") = "6"
    & skf21("3","7","6","3","4","2","2","1") = "6"
    & skf21("3","7","6","3","4","2","3","1") = "6"
    & skf21("3","7","6","3","4","2","4","1") = "6"
    & skf21("3","7","6","3","4","2","5","1") = "6"
    & skf21("3","7","6","3","4","2","6","1") = "6"
    & skf21("3","7","6","3","4","2","7","1") = "6"
    & skf21("3","7","6","3","4","3","1","1") = "6"
    & skf21("3","7","6","3","4","3","2","1") = "6"
    & skf21("3","7","6","3","4","3","3","1") = "6"
    & skf21("3","7","6","3","4","3","4","1") = "6"
    & skf21("3","7","6","3","4","3","5","1") = "6"
    & skf21("3","7","6","3","4","3","6","1") = "6"
    & skf21("3","7","6","3","4","3","7","1") = "6"
    & skf21("3","7","6","3","4","4","1","1") = "6"
    & skf21("3","7","6","3","4","4","2","1") = "6"
    & skf21("3","7","6","3","4","4","3","1") = "6"
    & skf21("3","7","6","3","4","4","4","1") = "6"
    & skf21("3","7","6","3","4","4","5","1") = "6"
    & skf21("3","7","6","3","4","4","6","1") = "6"
    & skf21("3","7","6","3","4","4","7","1") = "6"
    & skf21("3","7","6","3","4","5","1","1") = "6"
    & skf21("3","7","6","3","4","5","2","1") = "6"
    & skf21("3","7","6","3","4","5","3","1") = "6"
    & skf21("3","7","6","3","4","5","4","1") = "6"
    & skf21("3","7","6","3","4","5","5","1") = "6"
    & skf21("3","7","6","3","4","5","6","1") = "6"
    & skf21("3","7","6","3","4","5","7","1") = "6"
    & skf21("3","7","6","3","4","6","1","1") = "6"
    & skf21("3","7","6","3","4","6","2","1") = "6"
    & skf21("3","7","6","3","4","6","3","1") = "6"
    & skf21("3","7","6","3","4","6","4","1") = "6"
    & skf21("3","7","6","3","4","6","5","1") = "6"
    & skf21("3","7","6","3","4","6","6","1") = "6"
    & skf21("3","7","6","3","4","6","7","1") = "6"
    & skf21("3","7","6","3","4","7","1","1") = "6"
    & skf21("3","7","6","3","4","7","2","1") = "6"
    & skf21("3","7","6","3","4","7","3","1") = "6"
    & skf21("3","7","6","3","4","7","4","1") = "6"
    & skf21("3","7","6","3","4","7","5","1") = "6"
    & skf21("3","7","6","3","4","7","6","1") = "6"
    & skf21("3","7","6","3","4","7","7","1") = "6"
    & skf21("3","7","6","3","5","1","1","1") = "6"
    & skf21("3","7","6","3","5","1","2","1") = "6"
    & skf21("3","7","6","3","5","1","3","1") = "6"
    & skf21("3","7","6","3","5","1","4","1") = "6"
    & skf21("3","7","6","3","5","1","5","1") = "6"
    & skf21("3","7","6","3","5","1","6","1") = "6"
    & skf21("3","7","6","3","5","1","7","1") = "6"
    & skf21("3","7","6","3","5","2","1","1") = "6"
    & skf21("3","7","6","3","5","2","2","1") = "6"
    & skf21("3","7","6","3","5","2","3","1") = "6"
    & skf21("3","7","6","3","5","2","4","1") = "6"
    & skf21("3","7","6","3","5","2","5","1") = "6"
    & skf21("3","7","6","3","5","2","6","1") = "6"
    & skf21("3","7","6","3","5","2","7","1") = "6"
    & skf21("3","7","6","3","5","3","1","1") = "6"
    & skf21("3","7","6","3","5","3","2","1") = "6"
    & skf21("3","7","6","3","5","3","3","1") = "6"
    & skf21("3","7","6","3","5","3","4","1") = "6"
    & skf21("3","7","6","3","5","3","5","1") = "6"
    & skf21("3","7","6","3","5","3","6","1") = "6"
    & skf21("3","7","6","3","5","3","7","1") = "6"
    & skf21("3","7","6","3","5","4","1","1") = "6"
    & skf21("3","7","6","3","5","4","2","1") = "6"
    & skf21("3","7","6","3","5","4","3","1") = "6"
    & skf21("3","7","6","3","5","4","4","1") = "6"
    & skf21("3","7","6","3","5","4","5","1") = "6"
    & skf21("3","7","6","3","5","4","6","1") = "6"
    & skf21("3","7","6","3","5","4","7","1") = "6"
    & skf21("3","7","6","3","5","5","1","1") = "6"
    & skf21("3","7","6","3","5","5","2","1") = "6"
    & skf21("3","7","6","3","5","5","3","1") = "6"
    & skf21("3","7","6","3","5","5","4","1") = "6"
    & skf21("3","7","6","3","5","5","5","1") = "6"
    & skf21("3","7","6","3","5","5","6","1") = "6"
    & skf21("3","7","6","3","5","5","7","1") = "6"
    & skf21("3","7","6","3","5","6","1","1") = "6"
    & skf21("3","7","6","3","5","6","2","1") = "6"
    & skf21("3","7","6","3","5","6","3","1") = "6"
    & skf21("3","7","6","3","5","6","4","1") = "6"
    & skf21("3","7","6","3","5","6","5","1") = "6"
    & skf21("3","7","6","3","5","6","6","1") = "6"
    & skf21("3","7","6","3","5","6","7","1") = "6"
    & skf21("3","7","6","3","5","7","1","1") = "6"
    & skf21("3","7","6","3","5","7","2","1") = "6"
    & skf21("3","7","6","3","5","7","3","1") = "6"
    & skf21("3","7","6","3","5","7","4","1") = "6"
    & skf21("3","7","6","3","5","7","5","1") = "6"
    & skf21("3","7","6","3","5","7","6","1") = "6"
    & skf21("3","7","6","3","5","7","7","1") = "6"
    & skf21("3","7","6","3","6","1","1","1") = "6"
    & skf21("3","7","6","3","6","1","2","1") = "6"
    & skf21("3","7","6","3","6","1","3","1") = "6"
    & skf21("3","7","6","3","6","1","4","1") = "6"
    & skf21("3","7","6","3","6","1","5","1") = "6"
    & skf21("3","7","6","3","6","1","6","1") = "6"
    & skf21("3","7","6","3","6","1","7","1") = "6"
    & skf21("3","7","6","3","6","2","1","1") = "6"
    & skf21("3","7","6","3","6","2","2","1") = "6"
    & skf21("3","7","6","3","6","2","3","1") = "6"
    & skf21("3","7","6","3","6","2","4","1") = "6"
    & skf21("3","7","6","3","6","2","5","1") = "6"
    & skf21("3","7","6","3","6","2","6","1") = "6"
    & skf21("3","7","6","3","6","2","7","1") = "6"
    & skf21("3","7","6","3","6","3","1","1") = "6"
    & skf21("3","7","6","3","6","3","2","1") = "6"
    & skf21("3","7","6","3","6","3","3","1") = "6"
    & skf21("3","7","6","3","6","3","4","1") = "6"
    & skf21("3","7","6","3","6","3","5","1") = "6"
    & skf21("3","7","6","3","6","3","6","1") = "6"
    & skf21("3","7","6","3","6","3","7","1") = "6"
    & skf21("3","7","6","3","6","4","1","1") = "6"
    & skf21("3","7","6","3","6","4","2","1") = "6"
    & skf21("3","7","6","3","6","4","3","1") = "6"
    & skf21("3","7","6","3","6","4","4","1") = "6"
    & skf21("3","7","6","3","6","4","5","1") = "6"
    & skf21("3","7","6","3","6","4","6","1") = "6"
    & skf21("3","7","6","3","6","4","7","1") = "6"
    & skf21("3","7","6","3","6","5","1","1") = "6"
    & skf21("3","7","6","3","6","5","2","1") = "6"
    & skf21("3","7","6","3","6","5","3","1") = "6"
    & skf21("3","7","6","3","6","5","4","1") = "6"
    & skf21("3","7","6","3","6","5","5","1") = "6"
    & skf21("3","7","6","3","6","5","6","1") = "6"
    & skf21("3","7","6","3","6","5","7","1") = "6"
    & skf21("3","7","6","3","6","6","1","1") = "6"
    & skf21("3","7","6","3","6","6","2","1") = "6"
    & skf21("3","7","6","3","6","6","3","1") = "6"
    & skf21("3","7","6","3","6","6","4","1") = "6"
    & skf21("3","7","6","3","6","6","5","1") = "6"
    & skf21("3","7","6","3","6","6","6","1") = "6"
    & skf21("3","7","6","3","6","6","7","1") = "6"
    & skf21("3","7","6","3","6","7","1","1") = "6"
    & skf21("3","7","6","3","6","7","2","1") = "6"
    & skf21("3","7","6","3","6","7","3","1") = "6"
    & skf21("3","7","6","3","6","7","4","1") = "6"
    & skf21("3","7","6","3","6","7","5","1") = "6"
    & skf21("3","7","6","3","6","7","6","1") = "6"
    & skf21("3","7","6","3","6","7","7","1") = "6"
    & skf21("3","7","6","3","7","1","1","1") = "6"
    & skf21("3","7","6","3","7","1","2","1") = "6"
    & skf21("3","7","6","3","7","1","3","1") = "6"
    & skf21("3","7","6","3","7","1","4","1") = "6"
    & skf21("3","7","6","3","7","1","5","1") = "6"
    & skf21("3","7","6","3","7","1","6","1") = "6"
    & skf21("3","7","6","3","7","1","7","1") = "6"
    & skf21("3","7","6","3","7","2","1","1") = "6"
    & skf21("3","7","6","3","7","2","2","1") = "6"
    & skf21("3","7","6","3","7","2","3","1") = "6"
    & skf21("3","7","6","3","7","2","4","1") = "6"
    & skf21("3","7","6","3","7","2","5","1") = "6"
    & skf21("3","7","6","3","7","2","6","1") = "6"
    & skf21("3","7","6","3","7","2","7","1") = "6"
    & skf21("3","7","6","3","7","3","1","1") = "6"
    & skf21("3","7","6","3","7","3","2","1") = "6"
    & skf21("3","7","6","3","7","3","3","1") = "6"
    & skf21("3","7","6","3","7","3","4","1") = "6"
    & skf21("3","7","6","3","7","3","5","1") = "6"
    & skf21("3","7","6","3","7","3","6","1") = "6"
    & skf21("3","7","6","3","7","3","7","1") = "6"
    & skf21("3","7","6","3","7","4","1","1") = "6"
    & skf21("3","7","6","3","7","4","2","1") = "6"
    & skf21("3","7","6","3","7","4","3","1") = "6"
    & skf21("3","7","6","3","7","4","4","1") = "6"
    & skf21("3","7","6","3","7","4","5","1") = "6"
    & skf21("3","7","6","3","7","4","6","1") = "6"
    & skf21("3","7","6","3","7","4","7","1") = "6"
    & skf21("3","7","6","3","7","5","1","1") = "6"
    & skf21("3","7","6","3","7","5","2","1") = "6"
    & skf21("3","7","6","3","7","5","3","1") = "6"
    & skf21("3","7","6","3","7","5","4","1") = "6"
    & skf21("3","7","6","3","7","5","5","1") = "6"
    & skf21("3","7","6","3","7","5","6","1") = "6"
    & skf21("3","7","6","3","7","5","7","1") = "6"
    & skf21("3","7","6","3","7","6","1","1") = "6"
    & skf21("3","7","6","3","7","6","2","1") = "6"
    & skf21("3","7","6","3","7","6","3","1") = "6"
    & skf21("3","7","6","3","7","6","4","1") = "6"
    & skf21("3","7","6","3","7","6","5","1") = "6"
    & skf21("3","7","6","3","7","6","6","1") = "6"
    & skf21("3","7","6","3","7","6","7","1") = "6"
    & skf21("3","7","6","3","7","7","1","1") = "6"
    & skf21("3","7","6","3","7","7","2","1") = "6"
    & skf21("3","7","6","3","7","7","3","1") = "6"
    & skf21("3","7","6","3","7","7","4","1") = "6"
    & skf21("3","7","6","3","7","7","5","1") = "6"
    & skf21("3","7","6","3","7","7","6","1") = "6"
    & skf21("3","7","6","3","7","7","7","1") = "6"
    & skf21("3","7","6","4","1","1","1","1") = "6"
    & skf21("3","7","6","4","1","1","2","1") = "6"
    & skf21("3","7","6","4","1","1","3","1") = "6"
    & skf21("3","7","6","4","1","1","4","1") = "6"
    & skf21("3","7","6","4","1","1","5","1") = "6"
    & skf21("3","7","6","4","1","1","6","1") = "6"
    & skf21("3","7","6","4","1","1","7","1") = "6"
    & skf21("3","7","6","4","1","2","1","1") = "6"
    & skf21("3","7","6","4","1","2","2","1") = "6"
    & skf21("3","7","6","4","1","2","3","1") = "6"
    & skf21("3","7","6","4","1","2","4","1") = "6"
    & skf21("3","7","6","4","1","2","5","1") = "6"
    & skf21("3","7","6","4","1","2","6","1") = "6"
    & skf21("3","7","6","4","1","2","7","1") = "6"
    & skf21("3","7","6","4","1","3","1","1") = "6"
    & skf21("3","7","6","4","1","3","2","1") = "6"
    & skf21("3","7","6","4","1","3","3","1") = "6"
    & skf21("3","7","6","4","1","3","4","1") = "6"
    & skf21("3","7","6","4","1","3","5","1") = "6"
    & skf21("3","7","6","4","1","3","6","1") = "6"
    & skf21("3","7","6","4","1","3","7","1") = "6"
    & skf21("3","7","6","4","1","4","1","1") = "6"
    & skf21("3","7","6","4","1","4","2","1") = "6"
    & skf21("3","7","6","4","1","4","3","1") = "6"
    & skf21("3","7","6","4","1","4","4","1") = "6"
    & skf21("3","7","6","4","1","4","5","1") = "6"
    & skf21("3","7","6","4","1","4","6","1") = "6"
    & skf21("3","7","6","4","1","4","7","1") = "6"
    & skf21("3","7","6","4","1","5","1","1") = "6"
    & skf21("3","7","6","4","1","5","2","1") = "6"
    & skf21("3","7","6","4","1","5","3","1") = "6"
    & skf21("3","7","6","4","1","5","4","1") = "6"
    & skf21("3","7","6","4","1","5","5","1") = "6"
    & skf21("3","7","6","4","1","5","6","1") = "6"
    & skf21("3","7","6","4","1","5","7","1") = "6"
    & skf21("3","7","6","4","1","6","1","1") = "6"
    & skf21("3","7","6","4","1","6","2","1") = "6"
    & skf21("3","7","6","4","1","6","3","1") = "6"
    & skf21("3","7","6","4","1","6","4","1") = "6"
    & skf21("3","7","6","4","1","6","5","1") = "6"
    & skf21("3","7","6","4","1","6","6","1") = "6"
    & skf21("3","7","6","4","1","6","7","1") = "6"
    & skf21("3","7","6","4","1","7","1","1") = "6"
    & skf21("3","7","6","4","1","7","2","1") = "6"
    & skf21("3","7","6","4","1","7","3","1") = "6"
    & skf21("3","7","6","4","1","7","4","1") = "6"
    & skf21("3","7","6","4","1","7","5","1") = "6"
    & skf21("3","7","6","4","1","7","6","1") = "6"
    & skf21("3","7","6","4","1","7","7","1") = "6"
    & skf21("3","7","6","4","2","1","1","1") = "6"
    & skf21("3","7","6","4","2","1","2","1") = "6"
    & skf21("3","7","6","4","2","1","3","1") = "6"
    & skf21("3","7","6","4","2","1","4","1") = "6"
    & skf21("3","7","6","4","2","1","5","1") = "6"
    & skf21("3","7","6","4","2","1","6","1") = "6"
    & skf21("3","7","6","4","2","1","7","1") = "6"
    & skf21("3","7","6","4","2","2","1","1") = "6"
    & skf21("3","7","6","4","2","2","2","1") = "6"
    & skf21("3","7","6","4","2","2","3","1") = "6"
    & skf21("3","7","6","4","2","2","4","1") = "6"
    & skf21("3","7","6","4","2","2","5","1") = "6"
    & skf21("3","7","6","4","2","2","6","1") = "6"
    & skf21("3","7","6","4","2","2","7","1") = "6"
    & skf21("3","7","6","4","2","3","1","1") = "6"
    & skf21("3","7","6","4","2","3","2","1") = "6"
    & skf21("3","7","6","4","2","3","3","1") = "6"
    & skf21("3","7","6","4","2","3","4","1") = "6"
    & skf21("3","7","6","4","2","3","5","1") = "6"
    & skf21("3","7","6","4","2","3","6","1") = "6"
    & skf21("3","7","6","4","2","3","7","1") = "6"
    & skf21("3","7","6","4","2","4","1","1") = "6"
    & skf21("3","7","6","4","2","4","2","1") = "6"
    & skf21("3","7","6","4","2","4","3","1") = "6"
    & skf21("3","7","6","4","2","4","4","1") = "6"
    & skf21("3","7","6","4","2","4","5","1") = "6"
    & skf21("3","7","6","4","2","4","6","1") = "6"
    & skf21("3","7","6","4","2","4","7","1") = "6"
    & skf21("3","7","6","4","2","5","1","1") = "6"
    & skf21("3","7","6","4","2","5","2","1") = "6"
    & skf21("3","7","6","4","2","5","3","1") = "6"
    & skf21("3","7","6","4","2","5","4","1") = "6"
    & skf21("3","7","6","4","2","5","5","1") = "6"
    & skf21("3","7","6","4","2","5","6","1") = "6"
    & skf21("3","7","6","4","2","5","7","1") = "6"
    & skf21("3","7","6","4","2","6","1","1") = "6"
    & skf21("3","7","6","4","2","6","2","1") = "6"
    & skf21("3","7","6","4","2","6","3","1") = "6"
    & skf21("3","7","6","4","2","6","4","1") = "6"
    & skf21("3","7","6","4","2","6","5","1") = "6"
    & skf21("3","7","6","4","2","6","6","1") = "6"
    & skf21("3","7","6","4","2","6","7","1") = "6"
    & skf21("3","7","6","4","2","7","1","1") = "6"
    & skf21("3","7","6","4","2","7","2","1") = "6"
    & skf21("3","7","6","4","2","7","3","1") = "6"
    & skf21("3","7","6","4","2","7","4","1") = "6"
    & skf21("3","7","6","4","2","7","5","1") = "6"
    & skf21("3","7","6","4","2","7","6","1") = "6"
    & skf21("3","7","6","4","2","7","7","1") = "6"
    & skf21("3","7","6","4","3","1","1","1") = "6"
    & skf21("3","7","6","4","3","1","2","1") = "6"
    & skf21("3","7","6","4","3","1","3","1") = "6"
    & skf21("3","7","6","4","3","1","4","1") = "6"
    & skf21("3","7","6","4","3","1","5","1") = "6"
    & skf21("3","7","6","4","3","1","6","1") = "6"
    & skf21("3","7","6","4","3","1","7","1") = "6"
    & skf21("3","7","6","4","3","2","1","1") = "6"
    & skf21("3","7","6","4","3","2","2","1") = "6"
    & skf21("3","7","6","4","3","2","3","1") = "6"
    & skf21("3","7","6","4","3","2","4","1") = "6"
    & skf21("3","7","6","4","3","2","5","1") = "6"
    & skf21("3","7","6","4","3","2","6","1") = "6"
    & skf21("3","7","6","4","3","2","7","1") = "6"
    & skf21("3","7","6","4","3","3","1","1") = "6"
    & skf21("3","7","6","4","3","3","2","1") = "6"
    & skf21("3","7","6","4","3","3","3","1") = "6"
    & skf21("3","7","6","4","3","3","4","1") = "6"
    & skf21("3","7","6","4","3","3","5","1") = "6"
    & skf21("3","7","6","4","3","3","6","1") = "6"
    & skf21("3","7","6","4","3","3","7","1") = "6"
    & skf21("3","7","6","4","3","4","1","1") = "6"
    & skf21("3","7","6","4","3","4","2","1") = "6"
    & skf21("3","7","6","4","3","4","3","1") = "6"
    & skf21("3","7","6","4","3","4","4","1") = "6"
    & skf21("3","7","6","4","3","4","5","1") = "6"
    & skf21("3","7","6","4","3","4","6","1") = "6"
    & skf21("3","7","6","4","3","4","7","1") = "6"
    & skf21("3","7","6","4","3","5","1","1") = "6"
    & skf21("3","7","6","4","3","5","2","1") = "6"
    & skf21("3","7","6","4","3","5","3","1") = "6"
    & skf21("3","7","6","4","3","5","4","1") = "6"
    & skf21("3","7","6","4","3","5","5","1") = "6"
    & skf21("3","7","6","4","3","5","6","1") = "6"
    & skf21("3","7","6","4","3","5","7","1") = "6"
    & skf21("3","7","6","4","3","6","1","1") = "6"
    & skf21("3","7","6","4","3","6","2","1") = "6"
    & skf21("3","7","6","4","3","6","3","1") = "6"
    & skf21("3","7","6","4","3","6","4","1") = "6"
    & skf21("3","7","6","4","3","6","5","1") = "6"
    & skf21("3","7","6","4","3","6","6","1") = "6"
    & skf21("3","7","6","4","3","6","7","1") = "6"
    & skf21("3","7","6","4","3","7","1","1") = "6"
    & skf21("3","7","6","4","3","7","2","1") = "6"
    & skf21("3","7","6","4","3","7","3","1") = "6"
    & skf21("3","7","6","4","3","7","4","1") = "6"
    & skf21("3","7","6","4","3","7","5","1") = "6"
    & skf21("3","7","6","4","3","7","6","1") = "6"
    & skf21("3","7","6","4","3","7","7","1") = "6"
    & skf21("3","7","6","4","4","1","1","1") = "6"
    & skf21("3","7","6","4","4","1","2","1") = "6"
    & skf21("3","7","6","4","4","1","3","1") = "6"
    & skf21("3","7","6","4","4","1","4","1") = "6"
    & skf21("3","7","6","4","4","1","5","1") = "6"
    & skf21("3","7","6","4","4","1","6","1") = "6"
    & skf21("3","7","6","4","4","1","7","1") = "6"
    & skf21("3","7","6","4","4","2","1","1") = "6"
    & skf21("3","7","6","4","4","2","2","1") = "6"
    & skf21("3","7","6","4","4","2","3","1") = "6"
    & skf21("3","7","6","4","4","2","4","1") = "6"
    & skf21("3","7","6","4","4","2","5","1") = "6"
    & skf21("3","7","6","4","4","2","6","1") = "6"
    & skf21("3","7","6","4","4","2","7","1") = "6"
    & skf21("3","7","6","4","4","3","1","1") = "6"
    & skf21("3","7","6","4","4","3","2","1") = "6"
    & skf21("3","7","6","4","4","3","3","1") = "6"
    & skf21("3","7","6","4","4","3","4","1") = "6"
    & skf21("3","7","6","4","4","3","5","1") = "6"
    & skf21("3","7","6","4","4","3","6","1") = "6"
    & skf21("3","7","6","4","4","3","7","1") = "6"
    & skf21("3","7","6","4","4","4","1","1") = "6"
    & skf21("3","7","6","4","4","4","2","1") = "6"
    & skf21("3","7","6","4","4","4","3","1") = "6"
    & skf21("3","7","6","4","4","4","4","1") = "6"
    & skf21("3","7","6","4","4","4","5","1") = "6"
    & skf21("3","7","6","4","4","4","6","1") = "6"
    & skf21("3","7","6","4","4","4","7","1") = "6"
    & skf21("3","7","6","4","4","5","1","1") = "6"
    & skf21("3","7","6","4","4","5","2","1") = "6"
    & skf21("3","7","6","4","4","5","3","1") = "6"
    & skf21("3","7","6","4","4","5","4","1") = "6"
    & skf21("3","7","6","4","4","5","5","1") = "6"
    & skf21("3","7","6","4","4","5","6","1") = "6"
    & skf21("3","7","6","4","4","5","7","1") = "6"
    & skf21("3","7","6","4","4","6","1","1") = "6"
    & skf21("3","7","6","4","4","6","2","1") = "6"
    & skf21("3","7","6","4","4","6","3","1") = "6"
    & skf21("3","7","6","4","4","6","4","1") = "6"
    & skf21("3","7","6","4","4","6","5","1") = "6"
    & skf21("3","7","6","4","4","6","6","1") = "6"
    & skf21("3","7","6","4","4","6","7","1") = "6"
    & skf21("3","7","6","4","4","7","1","1") = "6"
    & skf21("3","7","6","4","4","7","2","1") = "6"
    & skf21("3","7","6","4","4","7","3","1") = "6"
    & skf21("3","7","6","4","4","7","4","1") = "6"
    & skf21("3","7","6","4","4","7","5","1") = "6"
    & skf21("3","7","6","4","4","7","6","1") = "6"
    & skf21("3","7","6","4","4","7","7","1") = "6"
    & skf21("3","7","6","4","5","1","1","1") = "6"
    & skf21("3","7","6","4","5","1","2","1") = "6"
    & skf21("3","7","6","4","5","1","3","1") = "6"
    & skf21("3","7","6","4","5","1","4","1") = "6"
    & skf21("3","7","6","4","5","1","5","1") = "6"
    & skf21("3","7","6","4","5","1","6","1") = "6"
    & skf21("3","7","6","4","5","1","7","1") = "6"
    & skf21("3","7","6","4","5","2","1","1") = "6"
    & skf21("3","7","6","4","5","2","2","1") = "6"
    & skf21("3","7","6","4","5","2","3","1") = "6"
    & skf21("3","7","6","4","5","2","4","1") = "6"
    & skf21("3","7","6","4","5","2","5","1") = "6"
    & skf21("3","7","6","4","5","2","6","1") = "6"
    & skf21("3","7","6","4","5","2","7","1") = "6"
    & skf21("3","7","6","4","5","3","1","1") = "6"
    & skf21("3","7","6","4","5","3","2","1") = "6"
    & skf21("3","7","6","4","5","3","3","1") = "6"
    & skf21("3","7","6","4","5","3","4","1") = "6"
    & skf21("3","7","6","4","5","3","5","1") = "6"
    & skf21("3","7","6","4","5","3","6","1") = "6"
    & skf21("3","7","6","4","5","3","7","1") = "6"
    & skf21("3","7","6","4","5","4","1","1") = "6"
    & skf21("3","7","6","4","5","4","2","1") = "6"
    & skf21("3","7","6","4","5","4","3","1") = "6"
    & skf21("3","7","6","4","5","4","4","1") = "6"
    & skf21("3","7","6","4","5","4","5","1") = "6"
    & skf21("3","7","6","4","5","4","6","1") = "6"
    & skf21("3","7","6","4","5","4","7","1") = "6"
    & skf21("3","7","6","4","5","5","1","1") = "6"
    & skf21("3","7","6","4","5","5","2","1") = "6"
    & skf21("3","7","6","4","5","5","3","1") = "6"
    & skf21("3","7","6","4","5","5","4","1") = "6"
    & skf21("3","7","6","4","5","5","5","1") = "6"
    & skf21("3","7","6","4","5","5","6","1") = "6"
    & skf21("3","7","6","4","5","5","7","1") = "6"
    & skf21("3","7","6","4","5","6","1","1") = "6"
    & skf21("3","7","6","4","5","6","2","1") = "6"
    & skf21("3","7","6","4","5","6","3","1") = "6"
    & skf21("3","7","6","4","5","6","4","1") = "6"
    & skf21("3","7","6","4","5","6","5","1") = "6"
    & skf21("3","7","6","4","5","6","6","1") = "6"
    & skf21("3","7","6","4","5","6","7","1") = "6"
    & skf21("3","7","6","4","5","7","1","1") = "6"
    & skf21("3","7","6","4","5","7","2","1") = "6"
    & skf21("3","7","6","4","5","7","3","1") = "6"
    & skf21("3","7","6","4","5","7","4","1") = "6"
    & skf21("3","7","6","4","5","7","5","1") = "6"
    & skf21("3","7","6","4","5","7","6","1") = "6"
    & skf21("3","7","6","4","5","7","7","1") = "6"
    & skf21("3","7","6","4","6","1","1","1") = "6"
    & skf21("3","7","6","4","6","1","2","1") = "6"
    & skf21("3","7","6","4","6","1","3","1") = "6"
    & skf21("3","7","6","4","6","1","4","1") = "6"
    & skf21("3","7","6","4","6","1","5","1") = "6"
    & skf21("3","7","6","4","6","1","6","1") = "6"
    & skf21("3","7","6","4","6","1","7","1") = "6"
    & skf21("3","7","6","4","6","2","1","1") = "6"
    & skf21("3","7","6","4","6","2","2","1") = "6"
    & skf21("3","7","6","4","6","2","3","1") = "6"
    & skf21("3","7","6","4","6","2","4","1") = "6"
    & skf21("3","7","6","4","6","2","5","1") = "6"
    & skf21("3","7","6","4","6","2","6","1") = "6"
    & skf21("3","7","6","4","6","2","7","1") = "6"
    & skf21("3","7","6","4","6","3","1","1") = "6"
    & skf21("3","7","6","4","6","3","2","1") = "6"
    & skf21("3","7","6","4","6","3","3","1") = "6"
    & skf21("3","7","6","4","6","3","4","1") = "6"
    & skf21("3","7","6","4","6","3","5","1") = "6"
    & skf21("3","7","6","4","6","3","6","1") = "6"
    & skf21("3","7","6","4","6","3","7","1") = "6"
    & skf21("3","7","6","4","6","4","1","1") = "6"
    & skf21("3","7","6","4","6","4","2","1") = "6"
    & skf21("3","7","6","4","6","4","3","1") = "6"
    & skf21("3","7","6","4","6","4","4","1") = "6"
    & skf21("3","7","6","4","6","4","5","1") = "6"
    & skf21("3","7","6","4","6","4","6","1") = "6"
    & skf21("3","7","6","4","6","4","7","1") = "6"
    & skf21("3","7","6","4","6","5","1","1") = "6"
    & skf21("3","7","6","4","6","5","2","1") = "6"
    & skf21("3","7","6","4","6","5","3","1") = "6"
    & skf21("3","7","6","4","6","5","4","1") = "6"
    & skf21("3","7","6","4","6","5","5","1") = "6"
    & skf21("3","7","6","4","6","5","6","1") = "6"
    & skf21("3","7","6","4","6","5","7","1") = "6"
    & skf21("3","7","6","4","6","6","1","1") = "6"
    & skf21("3","7","6","4","6","6","2","1") = "6"
    & skf21("3","7","6","4","6","6","3","1") = "6"
    & skf21("3","7","6","4","6","6","4","1") = "6"
    & skf21("3","7","6","4","6","6","5","1") = "6"
    & skf21("3","7","6","4","6","6","6","1") = "6"
    & skf21("3","7","6","4","6","6","7","1") = "6"
    & skf21("3","7","6","4","6","7","1","1") = "6"
    & skf21("3","7","6","4","6","7","2","1") = "6"
    & skf21("3","7","6","4","6","7","3","1") = "6"
    & skf21("3","7","6","4","6","7","4","1") = "6"
    & skf21("3","7","6","4","6","7","5","1") = "6"
    & skf21("3","7","6","4","6","7","6","1") = "6"
    & skf21("3","7","6","4","6","7","7","1") = "6"
    & skf21("3","7","6","4","7","1","1","1") = "6"
    & skf21("3","7","6","4","7","1","2","1") = "6"
    & skf21("3","7","6","4","7","1","3","1") = "6"
    & skf21("3","7","6","4","7","1","4","1") = "6"
    & skf21("3","7","6","4","7","1","5","1") = "6"
    & skf21("3","7","6","4","7","1","6","1") = "6"
    & skf21("3","7","6","4","7","1","7","1") = "6"
    & skf21("3","7","6","4","7","2","1","1") = "6"
    & skf21("3","7","6","4","7","2","2","1") = "6"
    & skf21("3","7","6","4","7","2","3","1") = "6"
    & skf21("3","7","6","4","7","2","4","1") = "6"
    & skf21("3","7","6","4","7","2","5","1") = "6"
    & skf21("3","7","6","4","7","2","6","1") = "6"
    & skf21("3","7","6","4","7","2","7","1") = "6"
    & skf21("3","7","6","4","7","3","1","1") = "6"
    & skf21("3","7","6","4","7","3","2","1") = "6"
    & skf21("3","7","6","4","7","3","3","1") = "6"
    & skf21("3","7","6","4","7","3","4","1") = "6"
    & skf21("3","7","6","4","7","3","5","1") = "6"
    & skf21("3","7","6","4","7","3","6","1") = "6"
    & skf21("3","7","6","4","7","3","7","1") = "6"
    & skf21("3","7","6","4","7","4","1","1") = "6"
    & skf21("3","7","6","4","7","4","2","1") = "6"
    & skf21("3","7","6","4","7","4","3","1") = "6"
    & skf21("3","7","6","4","7","4","4","1") = "6"
    & skf21("3","7","6","4","7","4","5","1") = "6"
    & skf21("3","7","6","4","7","4","6","1") = "6"
    & skf21("3","7","6","4","7","4","7","1") = "6"
    & skf21("3","7","6","4","7","5","1","1") = "6"
    & skf21("3","7","6","4","7","5","2","1") = "6"
    & skf21("3","7","6","4","7","5","3","1") = "6"
    & skf21("3","7","6","4","7","5","4","1") = "6"
    & skf21("3","7","6","4","7","5","5","1") = "6"
    & skf21("3","7","6","4","7","5","6","1") = "6"
    & skf21("3","7","6","4","7","5","7","1") = "6"
    & skf21("3","7","6","4","7","6","1","1") = "6"
    & skf21("3","7","6","4","7","6","2","1") = "6"
    & skf21("3","7","6","4","7","6","3","1") = "6"
    & skf21("3","7","6","4","7","6","4","1") = "6"
    & skf21("3","7","6","4","7","6","5","1") = "6"
    & skf21("3","7","6","4","7","6","6","1") = "6"
    & skf21("3","7","6","4","7","6","7","1") = "6"
    & skf21("3","7","6","4","7","7","1","1") = "6"
    & skf21("3","7","6","4","7","7","2","1") = "6"
    & skf21("3","7","6","4","7","7","3","1") = "6"
    & skf21("3","7","6","4","7","7","4","1") = "6"
    & skf21("3","7","6","4","7","7","5","1") = "6"
    & skf21("3","7","6","4","7","7","6","1") = "6"
    & skf21("3","7","6","4","7","7","7","1") = "6"
    & skf21("3","7","6","5","1","1","1","1") = "6"
    & skf21("3","7","6","5","1","1","2","1") = "6"
    & skf21("3","7","6","5","1","1","3","1") = "6"
    & skf21("3","7","6","5","1","1","4","1") = "6"
    & skf21("3","7","6","5","1","1","5","1") = "6"
    & skf21("3","7","6","5","1","1","6","1") = "6"
    & skf21("3","7","6","5","1","1","7","1") = "6"
    & skf21("3","7","6","5","1","2","1","1") = "6"
    & skf21("3","7","6","5","1","2","2","1") = "6"
    & skf21("3","7","6","5","1","2","3","1") = "6"
    & skf21("3","7","6","5","1","2","4","1") = "6"
    & skf21("3","7","6","5","1","2","5","1") = "6"
    & skf21("3","7","6","5","1","2","6","1") = "6"
    & skf21("3","7","6","5","1","2","7","1") = "6"
    & skf21("3","7","6","5","1","3","1","1") = "6"
    & skf21("3","7","6","5","1","3","2","1") = "6"
    & skf21("3","7","6","5","1","3","3","1") = "6"
    & skf21("3","7","6","5","1","3","4","1") = "6"
    & skf21("3","7","6","5","1","3","5","1") = "6"
    & skf21("3","7","6","5","1","3","6","1") = "6"
    & skf21("3","7","6","5","1","3","7","1") = "6"
    & skf21("3","7","6","5","1","4","1","1") = "6"
    & skf21("3","7","6","5","1","4","2","1") = "6"
    & skf21("3","7","6","5","1","4","3","1") = "6"
    & skf21("3","7","6","5","1","4","4","1") = "6"
    & skf21("3","7","6","5","1","4","5","1") = "6"
    & skf21("3","7","6","5","1","4","6","1") = "6"
    & skf21("3","7","6","5","1","4","7","1") = "6"
    & skf21("3","7","6","5","1","5","1","1") = "6"
    & skf21("3","7","6","5","1","5","2","1") = "6"
    & skf21("3","7","6","5","1","5","3","1") = "6"
    & skf21("3","7","6","5","1","5","4","1") = "6"
    & skf21("3","7","6","5","1","5","5","1") = "6"
    & skf21("3","7","6","5","1","5","6","1") = "6"
    & skf21("3","7","6","5","1","5","7","1") = "6"
    & skf21("3","7","6","5","1","6","1","1") = "6"
    & skf21("3","7","6","5","1","6","2","1") = "6"
    & skf21("3","7","6","5","1","6","3","1") = "6"
    & skf21("3","7","6","5","1","6","4","1") = "6"
    & skf21("3","7","6","5","1","6","5","1") = "6"
    & skf21("3","7","6","5","1","6","6","1") = "6"
    & skf21("3","7","6","5","1","6","7","1") = "6"
    & skf21("3","7","6","5","1","7","1","1") = "6"
    & skf21("3","7","6","5","1","7","2","1") = "6"
    & skf21("3","7","6","5","1","7","3","1") = "6"
    & skf21("3","7","6","5","1","7","4","1") = "6"
    & skf21("3","7","6","5","1","7","5","1") = "6"
    & skf21("3","7","6","5","1","7","6","1") = "6"
    & skf21("3","7","6","5","1","7","7","1") = "6"
    & skf21("3","7","6","5","2","1","1","1") = "6"
    & skf21("3","7","6","5","2","1","2","1") = "6"
    & skf21("3","7","6","5","2","1","3","1") = "6"
    & skf21("3","7","6","5","2","1","4","1") = "6"
    & skf21("3","7","6","5","2","1","5","1") = "6"
    & skf21("3","7","6","5","2","1","6","1") = "6"
    & skf21("3","7","6","5","2","1","7","1") = "6"
    & skf21("3","7","6","5","2","2","1","1") = "6"
    & skf21("3","7","6","5","2","2","2","1") = "6"
    & skf21("3","7","6","5","2","2","3","1") = "6"
    & skf21("3","7","6","5","2","2","4","1") = "6"
    & skf21("3","7","6","5","2","2","5","1") = "6"
    & skf21("3","7","6","5","2","2","6","1") = "6"
    & skf21("3","7","6","5","2","2","7","1") = "6"
    & skf21("3","7","6","5","2","3","1","1") = "6"
    & skf21("3","7","6","5","2","3","2","1") = "6"
    & skf21("3","7","6","5","2","3","3","1") = "6"
    & skf21("3","7","6","5","2","3","4","1") = "6"
    & skf21("3","7","6","5","2","3","5","1") = "6"
    & skf21("3","7","6","5","2","3","6","1") = "6"
    & skf21("3","7","6","5","2","3","7","1") = "6"
    & skf21("3","7","6","5","2","4","1","1") = "6"
    & skf21("3","7","6","5","2","4","2","1") = "6"
    & skf21("3","7","6","5","2","4","3","1") = "6"
    & skf21("3","7","6","5","2","4","4","1") = "6"
    & skf21("3","7","6","5","2","4","5","1") = "6"
    & skf21("3","7","6","5","2","4","6","1") = "6"
    & skf21("3","7","6","5","2","4","7","1") = "6"
    & skf21("3","7","6","5","2","5","1","1") = "6"
    & skf21("3","7","6","5","2","5","2","1") = "6"
    & skf21("3","7","6","5","2","5","3","1") = "6"
    & skf21("3","7","6","5","2","5","4","1") = "6"
    & skf21("3","7","6","5","2","5","5","1") = "6"
    & skf21("3","7","6","5","2","5","6","1") = "6"
    & skf21("3","7","6","5","2","5","7","1") = "6"
    & skf21("3","7","6","5","2","6","1","1") = "6"
    & skf21("3","7","6","5","2","6","2","1") = "6"
    & skf21("3","7","6","5","2","6","3","1") = "6"
    & skf21("3","7","6","5","2","6","4","1") = "6"
    & skf21("3","7","6","5","2","6","5","1") = "6"
    & skf21("3","7","6","5","2","6","6","1") = "6"
    & skf21("3","7","6","5","2","6","7","1") = "6"
    & skf21("3","7","6","5","2","7","1","1") = "6"
    & skf21("3","7","6","5","2","7","2","1") = "6"
    & skf21("3","7","6","5","2","7","3","1") = "6"
    & skf21("3","7","6","5","2","7","4","1") = "6"
    & skf21("3","7","6","5","2","7","5","1") = "6"
    & skf21("3","7","6","5","2","7","6","1") = "6"
    & skf21("3","7","6","5","2","7","7","1") = "6"
    & skf21("3","7","6","5","3","1","1","1") = "6"
    & skf21("3","7","6","5","3","1","2","1") = "6"
    & skf21("3","7","6","5","3","1","3","1") = "6"
    & skf21("3","7","6","5","3","1","4","1") = "6"
    & skf21("3","7","6","5","3","1","5","1") = "6"
    & skf21("3","7","6","5","3","1","6","1") = "6"
    & skf21("3","7","6","5","3","1","7","1") = "6"
    & skf21("3","7","6","5","3","2","1","1") = "6"
    & skf21("3","7","6","5","3","2","2","1") = "6"
    & skf21("3","7","6","5","3","2","3","1") = "6"
    & skf21("3","7","6","5","3","2","4","1") = "6"
    & skf21("3","7","6","5","3","2","5","1") = "6"
    & skf21("3","7","6","5","3","2","6","1") = "6"
    & skf21("3","7","6","5","3","2","7","1") = "6"
    & skf21("3","7","6","5","3","3","1","1") = "6"
    & skf21("3","7","6","5","3","3","2","1") = "6"
    & skf21("3","7","6","5","3","3","3","1") = "6"
    & skf21("3","7","6","5","3","3","4","1") = "6"
    & skf21("3","7","6","5","3","3","5","1") = "6"
    & skf21("3","7","6","5","3","3","6","1") = "6"
    & skf21("3","7","6","5","3","3","7","1") = "6"
    & skf21("3","7","6","5","3","4","1","1") = "6"
    & skf21("3","7","6","5","3","4","2","1") = "6"
    & skf21("3","7","6","5","3","4","3","1") = "6"
    & skf21("3","7","6","5","3","4","4","1") = "6"
    & skf21("3","7","6","5","3","4","5","1") = "6"
    & skf21("3","7","6","5","3","4","6","1") = "6"
    & skf21("3","7","6","5","3","4","7","1") = "6"
    & skf21("3","7","6","5","3","5","1","1") = "6"
    & skf21("3","7","6","5","3","5","2","1") = "6"
    & skf21("3","7","6","5","3","5","3","1") = "6"
    & skf21("3","7","6","5","3","5","4","1") = "6"
    & skf21("3","7","6","5","3","5","5","1") = "6"
    & skf21("3","7","6","5","3","5","6","1") = "6"
    & skf21("3","7","6","5","3","5","7","1") = "6"
    & skf21("3","7","6","5","3","6","1","1") = "6"
    & skf21("3","7","6","5","3","6","2","1") = "6"
    & skf21("3","7","6","5","3","6","3","1") = "6"
    & skf21("3","7","6","5","3","6","4","1") = "6"
    & skf21("3","7","6","5","3","6","5","1") = "6"
    & skf21("3","7","6","5","3","6","6","1") = "6"
    & skf21("3","7","6","5","3","6","7","1") = "6"
    & skf21("3","7","6","5","3","7","1","1") = "6"
    & skf21("3","7","6","5","3","7","2","1") = "6"
    & skf21("3","7","6","5","3","7","3","1") = "6"
    & skf21("3","7","6","5","3","7","4","1") = "6"
    & skf21("3","7","6","5","3","7","5","1") = "6"
    & skf21("3","7","6","5","3","7","6","1") = "6"
    & skf21("3","7","6","5","3","7","7","1") = "6"
    & skf21("3","7","6","5","4","1","1","1") = "6"
    & skf21("3","7","6","5","4","1","2","1") = "6"
    & skf21("3","7","6","5","4","1","3","1") = "6"
    & skf21("3","7","6","5","4","1","4","1") = "6"
    & skf21("3","7","6","5","4","1","5","1") = "6"
    & skf21("3","7","6","5","4","1","6","1") = "6"
    & skf21("3","7","6","5","4","1","7","1") = "6"
    & skf21("3","7","6","5","4","2","1","1") = "6"
    & skf21("3","7","6","5","4","2","2","1") = "6"
    & skf21("3","7","6","5","4","2","3","1") = "6"
    & skf21("3","7","6","5","4","2","4","1") = "6"
    & skf21("3","7","6","5","4","2","5","1") = "6"
    & skf21("3","7","6","5","4","2","6","1") = "6"
    & skf21("3","7","6","5","4","2","7","1") = "6"
    & skf21("3","7","6","5","4","3","1","1") = "6"
    & skf21("3","7","6","5","4","3","2","1") = "6"
    & skf21("3","7","6","5","4","3","3","1") = "6"
    & skf21("3","7","6","5","4","3","4","1") = "6"
    & skf21("3","7","6","5","4","3","5","1") = "6"
    & skf21("3","7","6","5","4","3","6","1") = "6"
    & skf21("3","7","6","5","4","3","7","1") = "6"
    & skf21("3","7","6","5","4","4","1","1") = "6"
    & skf21("3","7","6","5","4","4","2","1") = "6"
    & skf21("3","7","6","5","4","4","3","1") = "6"
    & skf21("3","7","6","5","4","4","4","1") = "6"
    & skf21("3","7","6","5","4","4","5","1") = "6"
    & skf21("3","7","6","5","4","4","6","1") = "6"
    & skf21("3","7","6","5","4","4","7","1") = "6"
    & skf21("3","7","6","5","4","5","1","1") = "6"
    & skf21("3","7","6","5","4","5","2","1") = "6"
    & skf21("3","7","6","5","4","5","3","1") = "6"
    & skf21("3","7","6","5","4","5","4","1") = "6"
    & skf21("3","7","6","5","4","5","5","1") = "6"
    & skf21("3","7","6","5","4","5","6","1") = "6"
    & skf21("3","7","6","5","4","5","7","1") = "6"
    & skf21("3","7","6","5","4","6","1","1") = "6"
    & skf21("3","7","6","5","4","6","2","1") = "6"
    & skf21("3","7","6","5","4","6","3","1") = "6"
    & skf21("3","7","6","5","4","6","4","1") = "6"
    & skf21("3","7","6","5","4","6","5","1") = "6"
    & skf21("3","7","6","5","4","6","6","1") = "6"
    & skf21("3","7","6","5","4","6","7","1") = "6"
    & skf21("3","7","6","5","4","7","1","1") = "6"
    & skf21("3","7","6","5","4","7","2","1") = "6"
    & skf21("3","7","6","5","4","7","3","1") = "6"
    & skf21("3","7","6","5","4","7","4","1") = "6"
    & skf21("3","7","6","5","4","7","5","1") = "6"
    & skf21("3","7","6","5","4","7","6","1") = "6"
    & skf21("3","7","6","5","4","7","7","1") = "6"
    & skf21("3","7","6","5","5","1","1","1") = "6"
    & skf21("3","7","6","5","5","1","2","1") = "6"
    & skf21("3","7","6","5","5","1","3","1") = "6"
    & skf21("3","7","6","5","5","1","4","1") = "6"
    & skf21("3","7","6","5","5","1","5","1") = "6"
    & skf21("3","7","6","5","5","1","6","1") = "6"
    & skf21("3","7","6","5","5","1","7","1") = "6"
    & skf21("3","7","6","5","5","2","1","1") = "6"
    & skf21("3","7","6","5","5","2","2","1") = "6"
    & skf21("3","7","6","5","5","2","3","1") = "6"
    & skf21("3","7","6","5","5","2","4","1") = "6"
    & skf21("3","7","6","5","5","2","5","1") = "6"
    & skf21("3","7","6","5","5","2","6","1") = "6"
    & skf21("3","7","6","5","5","2","7","1") = "6"
    & skf21("3","7","6","5","5","3","1","1") = "6"
    & skf21("3","7","6","5","5","3","2","1") = "6"
    & skf21("3","7","6","5","5","3","3","1") = "6"
    & skf21("3","7","6","5","5","3","4","1") = "6"
    & skf21("3","7","6","5","5","3","5","1") = "6"
    & skf21("3","7","6","5","5","3","6","1") = "6"
    & skf21("3","7","6","5","5","3","7","1") = "6"
    & skf21("3","7","6","5","5","4","1","1") = "6"
    & skf21("3","7","6","5","5","4","2","1") = "6"
    & skf21("3","7","6","5","5","4","3","1") = "6"
    & skf21("3","7","6","5","5","4","4","1") = "6"
    & skf21("3","7","6","5","5","4","5","1") = "6"
    & skf21("3","7","6","5","5","4","6","1") = "6"
    & skf21("3","7","6","5","5","4","7","1") = "6"
    & skf21("3","7","6","5","5","5","1","1") = "6"
    & skf21("3","7","6","5","5","5","2","1") = "6"
    & skf21("3","7","6","5","5","5","3","1") = "6"
    & skf21("3","7","6","5","5","5","4","1") = "6"
    & skf21("3","7","6","5","5","5","5","1") = "6"
    & skf21("3","7","6","5","5","5","6","1") = "6"
    & skf21("3","7","6","5","5","5","7","1") = "6"
    & skf21("3","7","6","5","5","6","1","1") = "6"
    & skf21("3","7","6","5","5","6","2","1") = "6"
    & skf21("3","7","6","5","5","6","3","1") = "6"
    & skf21("3","7","6","5","5","6","4","1") = "6"
    & skf21("3","7","6","5","5","6","5","1") = "6"
    & skf21("3","7","6","5","5","6","6","1") = "6"
    & skf21("3","7","6","5","5","6","7","1") = "6"
    & skf21("3","7","6","5","5","7","1","1") = "6"
    & skf21("3","7","6","5","5","7","2","1") = "6"
    & skf21("3","7","6","5","5","7","3","1") = "6"
    & skf21("3","7","6","5","5","7","4","1") = "6"
    & skf21("3","7","6","5","5","7","5","1") = "6"
    & skf21("3","7","6","5","5","7","6","1") = "6"
    & skf21("3","7","6","5","5","7","7","1") = "6"
    & skf21("3","7","6","5","6","1","1","1") = "6"
    & skf21("3","7","6","5","6","1","2","1") = "6"
    & skf21("3","7","6","5","6","1","3","1") = "6"
    & skf21("3","7","6","5","6","1","4","1") = "6"
    & skf21("3","7","6","5","6","1","5","1") = "6"
    & skf21("3","7","6","5","6","1","6","1") = "6"
    & skf21("3","7","6","5","6","1","7","1") = "6"
    & skf21("3","7","6","5","6","2","1","1") = "6"
    & skf21("3","7","6","5","6","2","2","1") = "6"
    & skf21("3","7","6","5","6","2","3","1") = "6"
    & skf21("3","7","6","5","6","2","4","1") = "6"
    & skf21("3","7","6","5","6","2","5","1") = "6"
    & skf21("3","7","6","5","6","2","6","1") = "6"
    & skf21("3","7","6","5","6","2","7","1") = "6"
    & skf21("3","7","6","5","6","3","1","1") = "6"
    & skf21("3","7","6","5","6","3","2","1") = "6"
    & skf21("3","7","6","5","6","3","3","1") = "6"
    & skf21("3","7","6","5","6","3","4","1") = "6"
    & skf21("3","7","6","5","6","3","5","1") = "6"
    & skf21("3","7","6","5","6","3","6","1") = "6"
    & skf21("3","7","6","5","6","3","7","1") = "6"
    & skf21("3","7","6","5","6","4","1","1") = "6"
    & skf21("3","7","6","5","6","4","2","1") = "6"
    & skf21("3","7","6","5","6","4","3","1") = "6"
    & skf21("3","7","6","5","6","4","4","1") = "6"
    & skf21("3","7","6","5","6","4","5","1") = "6"
    & skf21("3","7","6","5","6","4","6","1") = "6"
    & skf21("3","7","6","5","6","4","7","1") = "6"
    & skf21("3","7","6","5","6","5","1","1") = "6"
    & skf21("3","7","6","5","6","5","2","1") = "6"
    & skf21("3","7","6","5","6","5","3","1") = "6"
    & skf21("3","7","6","5","6","5","4","1") = "6"
    & skf21("3","7","6","5","6","5","5","1") = "6"
    & skf21("3","7","6","5","6","5","6","1") = "6"
    & skf21("3","7","6","5","6","5","7","1") = "6"
    & skf21("3","7","6","5","6","6","1","1") = "6"
    & skf21("3","7","6","5","6","6","2","1") = "6"
    & skf21("3","7","6","5","6","6","3","1") = "6"
    & skf21("3","7","6","5","6","6","4","1") = "6"
    & skf21("3","7","6","5","6","6","5","1") = "6"
    & skf21("3","7","6","5","6","6","6","1") = "6"
    & skf21("3","7","6","5","6","6","7","1") = "6"
    & skf21("3","7","6","5","6","7","1","1") = "6"
    & skf21("3","7","6","5","6","7","2","1") = "6"
    & skf21("3","7","6","5","6","7","3","1") = "6"
    & skf21("3","7","6","5","6","7","4","1") = "6"
    & skf21("3","7","6","5","6","7","5","1") = "6"
    & skf21("3","7","6","5","6","7","6","1") = "6"
    & skf21("3","7","6","5","6","7","7","1") = "6"
    & skf21("3","7","6","5","7","1","1","1") = "6"
    & skf21("3","7","6","5","7","1","2","1") = "6"
    & skf21("3","7","6","5","7","1","3","1") = "6"
    & skf21("3","7","6","5","7","1","4","1") = "6"
    & skf21("3","7","6","5","7","1","5","1") = "6"
    & skf21("3","7","6","5","7","1","6","1") = "6"
    & skf21("3","7","6","5","7","1","7","1") = "6"
    & skf21("3","7","6","5","7","2","1","1") = "6"
    & skf21("3","7","6","5","7","2","2","1") = "6"
    & skf21("3","7","6","5","7","2","3","1") = "6"
    & skf21("3","7","6","5","7","2","4","1") = "6"
    & skf21("3","7","6","5","7","2","5","1") = "6"
    & skf21("3","7","6","5","7","2","6","1") = "6"
    & skf21("3","7","6","5","7","2","7","1") = "6"
    & skf21("3","7","6","5","7","3","1","1") = "6"
    & skf21("3","7","6","5","7","3","2","1") = "6"
    & skf21("3","7","6","5","7","3","3","1") = "6"
    & skf21("3","7","6","5","7","3","4","1") = "6"
    & skf21("3","7","6","5","7","3","5","1") = "6"
    & skf21("3","7","6","5","7","3","6","1") = "6"
    & skf21("3","7","6","5","7","3","7","1") = "6"
    & skf21("3","7","6","5","7","4","1","1") = "6"
    & skf21("3","7","6","5","7","4","2","1") = "6"
    & skf21("3","7","6","5","7","4","3","1") = "6"
    & skf21("3","7","6","5","7","4","4","1") = "6"
    & skf21("3","7","6","5","7","4","5","1") = "6"
    & skf21("3","7","6","5","7","4","6","1") = "6"
    & skf21("3","7","6","5","7","4","7","1") = "6"
    & skf21("3","7","6","5","7","5","1","1") = "6"
    & skf21("3","7","6","5","7","5","2","1") = "6"
    & skf21("3","7","6","5","7","5","3","1") = "6"
    & skf21("3","7","6","5","7","5","4","1") = "6"
    & skf21("3","7","6","5","7","5","5","1") = "6"
    & skf21("3","7","6","5","7","5","6","1") = "6"
    & skf21("3","7","6","5","7","5","7","1") = "6"
    & skf21("3","7","6","5","7","6","1","1") = "6"
    & skf21("3","7","6","5","7","6","2","1") = "6"
    & skf21("3","7","6","5","7","6","3","1") = "6"
    & skf21("3","7","6","5","7","6","4","1") = "6"
    & skf21("3","7","6","5","7","6","5","1") = "6"
    & skf21("3","7","6","5","7","6","6","1") = "6"
    & skf21("3","7","6","5","7","6","7","1") = "6"
    & skf21("3","7","6","5","7","7","1","1") = "6"
    & skf21("3","7","6","5","7","7","2","1") = "6"
    & skf21("3","7","6","5","7","7","3","1") = "6"
    & skf21("3","7","6","5","7","7","4","1") = "6"
    & skf21("3","7","6","5","7","7","5","1") = "6"
    & skf21("3","7","6","5","7","7","6","1") = "6"
    & skf21("3","7","6","5","7","7","7","1") = "6"
    & skf21("3","7","6","6","1","1","1","1") = "6"
    & skf21("3","7","6","6","1","1","2","1") = "6"
    & skf21("3","7","6","6","1","1","3","1") = "6"
    & skf21("3","7","6","6","1","1","4","1") = "6"
    & skf21("3","7","6","6","1","1","5","1") = "6"
    & skf21("3","7","6","6","1","1","6","1") = "6"
    & skf21("3","7","6","6","1","1","7","1") = "6"
    & skf21("3","7","6","6","1","2","1","1") = "6"
    & skf21("3","7","6","6","1","2","2","1") = "6"
    & skf21("3","7","6","6","1","2","3","1") = "6"
    & skf21("3","7","6","6","1","2","4","1") = "6"
    & skf21("3","7","6","6","1","2","5","1") = "6"
    & skf21("3","7","6","6","1","2","6","1") = "6"
    & skf21("3","7","6","6","1","2","7","1") = "6"
    & skf21("3","7","6","6","1","3","1","1") = "6"
    & skf21("3","7","6","6","1","3","2","1") = "6"
    & skf21("3","7","6","6","1","3","3","1") = "6"
    & skf21("3","7","6","6","1","3","4","1") = "6"
    & skf21("3","7","6","6","1","3","5","1") = "6"
    & skf21("3","7","6","6","1","3","6","1") = "6"
    & skf21("3","7","6","6","1","3","7","1") = "6"
    & skf21("3","7","6","6","1","4","1","1") = "6"
    & skf21("3","7","6","6","1","4","2","1") = "6"
    & skf21("3","7","6","6","1","4","3","1") = "6"
    & skf21("3","7","6","6","1","4","4","1") = "6"
    & skf21("3","7","6","6","1","4","5","1") = "6"
    & skf21("3","7","6","6","1","4","6","1") = "6"
    & skf21("3","7","6","6","1","4","7","1") = "6"
    & skf21("3","7","6","6","1","5","1","1") = "6"
    & skf21("3","7","6","6","1","5","2","1") = "6"
    & skf21("3","7","6","6","1","5","3","1") = "6"
    & skf21("3","7","6","6","1","5","4","1") = "6"
    & skf21("3","7","6","6","1","5","5","1") = "6"
    & skf21("3","7","6","6","1","5","6","1") = "6"
    & skf21("3","7","6","6","1","5","7","1") = "6"
    & skf21("3","7","6","6","1","6","1","1") = "6"
    & skf21("3","7","6","6","1","6","2","1") = "6"
    & skf21("3","7","6","6","1","6","3","1") = "6"
    & skf21("3","7","6","6","1","6","4","1") = "6"
    & skf21("3","7","6","6","1","6","5","1") = "6"
    & skf21("3","7","6","6","1","6","6","1") = "6"
    & skf21("3","7","6","6","1","6","7","1") = "6"
    & skf21("3","7","6","6","1","7","1","1") = "6"
    & skf21("3","7","6","6","1","7","2","1") = "6"
    & skf21("3","7","6","6","1","7","3","1") = "6"
    & skf21("3","7","6","6","1","7","4","1") = "6"
    & skf21("3","7","6","6","1","7","5","1") = "6"
    & skf21("3","7","6","6","1","7","6","1") = "6"
    & skf21("3","7","6","6","1","7","7","1") = "6"
    & skf21("3","7","6","6","2","1","1","1") = "6"
    & skf21("3","7","6","6","2","1","2","1") = "6"
    & skf21("3","7","6","6","2","1","3","1") = "6"
    & skf21("3","7","6","6","2","1","4","1") = "6"
    & skf21("3","7","6","6","2","1","5","1") = "6"
    & skf21("3","7","6","6","2","1","6","1") = "6"
    & skf21("3","7","6","6","2","1","7","1") = "6"
    & skf21("3","7","6","6","2","2","1","1") = "6"
    & skf21("3","7","6","6","2","2","2","1") = "6"
    & skf21("3","7","6","6","2","2","3","1") = "6"
    & skf21("3","7","6","6","2","2","4","1") = "6"
    & skf21("3","7","6","6","2","2","5","1") = "6"
    & skf21("3","7","6","6","2","2","6","1") = "6"
    & skf21("3","7","6","6","2","2","7","1") = "6"
    & skf21("3","7","6","6","2","3","1","1") = "6"
    & skf21("3","7","6","6","2","3","2","1") = "6"
    & skf21("3","7","6","6","2","3","3","1") = "6"
    & skf21("3","7","6","6","2","3","4","1") = "6"
    & skf21("3","7","6","6","2","3","5","1") = "6"
    & skf21("3","7","6","6","2","3","6","1") = "6"
    & skf21("3","7","6","6","2","3","7","1") = "6"
    & skf21("3","7","6","6","2","4","1","1") = "6"
    & skf21("3","7","6","6","2","4","2","1") = "6"
    & skf21("3","7","6","6","2","4","3","1") = "6"
    & skf21("3","7","6","6","2","4","4","1") = "6"
    & skf21("3","7","6","6","2","4","5","1") = "6"
    & skf21("3","7","6","6","2","4","6","1") = "6"
    & skf21("3","7","6","6","2","4","7","1") = "6"
    & skf21("3","7","6","6","2","5","1","1") = "6"
    & skf21("3","7","6","6","2","5","2","1") = "6"
    & skf21("3","7","6","6","2","5","3","1") = "6"
    & skf21("3","7","6","6","2","5","4","1") = "6"
    & skf21("3","7","6","6","2","5","5","1") = "6"
    & skf21("3","7","6","6","2","5","6","1") = "6"
    & skf21("3","7","6","6","2","5","7","1") = "6"
    & skf21("3","7","6","6","2","6","1","1") = "6"
    & skf21("3","7","6","6","2","6","2","1") = "6"
    & skf21("3","7","6","6","2","6","3","1") = "6"
    & skf21("3","7","6","6","2","6","4","1") = "6"
    & skf21("3","7","6","6","2","6","5","1") = "6"
    & skf21("3","7","6","6","2","6","6","1") = "6"
    & skf21("3","7","6","6","2","6","7","1") = "6"
    & skf21("3","7","6","6","2","7","1","1") = "6"
    & skf21("3","7","6","6","2","7","2","1") = "6"
    & skf21("3","7","6","6","2","7","3","1") = "6"
    & skf21("3","7","6","6","2","7","4","1") = "6"
    & skf21("3","7","6","6","2","7","5","1") = "6"
    & skf21("3","7","6","6","2","7","6","1") = "6"
    & skf21("3","7","6","6","2","7","7","1") = "6"
    & skf21("3","7","6","6","3","1","1","1") = "6"
    & skf21("3","7","6","6","3","1","2","1") = "6"
    & skf21("3","7","6","6","3","1","3","1") = "6"
    & skf21("3","7","6","6","3","1","4","1") = "6"
    & skf21("3","7","6","6","3","1","5","1") = "6"
    & skf21("3","7","6","6","3","1","6","1") = "6"
    & skf21("3","7","6","6","3","1","7","1") = "6"
    & skf21("3","7","6","6","3","2","1","1") = "6"
    & skf21("3","7","6","6","3","2","2","1") = "6"
    & skf21("3","7","6","6","3","2","3","1") = "6"
    & skf21("3","7","6","6","3","2","4","1") = "6"
    & skf21("3","7","6","6","3","2","5","1") = "6"
    & skf21("3","7","6","6","3","2","6","1") = "6"
    & skf21("3","7","6","6","3","2","7","1") = "6"
    & skf21("3","7","6","6","3","3","1","1") = "6"
    & skf21("3","7","6","6","3","3","2","1") = "6"
    & skf21("3","7","6","6","3","3","3","1") = "6"
    & skf21("3","7","6","6","3","3","4","1") = "6"
    & skf21("3","7","6","6","3","3","5","1") = "6"
    & skf21("3","7","6","6","3","3","6","1") = "6"
    & skf21("3","7","6","6","3","3","7","1") = "6"
    & skf21("3","7","6","6","3","4","1","1") = "6"
    & skf21("3","7","6","6","3","4","2","1") = "6"
    & skf21("3","7","6","6","3","4","3","1") = "6"
    & skf21("3","7","6","6","3","4","4","1") = "6"
    & skf21("3","7","6","6","3","4","5","1") = "6"
    & skf21("3","7","6","6","3","4","6","1") = "6"
    & skf21("3","7","6","6","3","4","7","1") = "6"
    & skf21("3","7","6","6","3","5","1","1") = "6"
    & skf21("3","7","6","6","3","5","2","1") = "6"
    & skf21("3","7","6","6","3","5","3","1") = "6"
    & skf21("3","7","6","6","3","5","4","1") = "6"
    & skf21("3","7","6","6","3","5","5","1") = "6"
    & skf21("3","7","6","6","3","5","6","1") = "6"
    & skf21("3","7","6","6","3","5","7","1") = "6"
    & skf21("3","7","6","6","3","6","1","1") = "6"
    & skf21("3","7","6","6","3","6","2","1") = "6"
    & skf21("3","7","6","6","3","6","3","1") = "6"
    & skf21("3","7","6","6","3","6","4","1") = "6"
    & skf21("3","7","6","6","3","6","5","1") = "6"
    & skf21("3","7","6","6","3","6","6","1") = "6"
    & skf21("3","7","6","6","3","6","7","1") = "6"
    & skf21("3","7","6","6","3","7","1","1") = "6"
    & skf21("3","7","6","6","3","7","2","1") = "6"
    & skf21("3","7","6","6","3","7","3","1") = "6"
    & skf21("3","7","6","6","3","7","4","1") = "6"
    & skf21("3","7","6","6","3","7","5","1") = "6"
    & skf21("3","7","6","6","3","7","6","1") = "6"
    & skf21("3","7","6","6","3","7","7","1") = "6"
    & skf21("3","7","6","6","4","1","1","1") = "6"
    & skf21("3","7","6","6","4","1","2","1") = "6"
    & skf21("3","7","6","6","4","1","3","1") = "6"
    & skf21("3","7","6","6","4","1","4","1") = "6"
    & skf21("3","7","6","6","4","1","5","1") = "6"
    & skf21("3","7","6","6","4","1","6","1") = "6"
    & skf21("3","7","6","6","4","1","7","1") = "6"
    & skf21("3","7","6","6","4","2","1","1") = "6"
    & skf21("3","7","6","6","4","2","2","1") = "6"
    & skf21("3","7","6","6","4","2","3","1") = "6"
    & skf21("3","7","6","6","4","2","4","1") = "6"
    & skf21("3","7","6","6","4","2","5","1") = "6"
    & skf21("3","7","6","6","4","2","6","1") = "6"
    & skf21("3","7","6","6","4","2","7","1") = "6"
    & skf21("3","7","6","6","4","3","1","1") = "6"
    & skf21("3","7","6","6","4","3","2","1") = "6"
    & skf21("3","7","6","6","4","3","3","1") = "6"
    & skf21("3","7","6","6","4","3","4","1") = "6"
    & skf21("3","7","6","6","4","3","5","1") = "6"
    & skf21("3","7","6","6","4","3","6","1") = "6"
    & skf21("3","7","6","6","4","3","7","1") = "6"
    & skf21("3","7","6","6","4","4","1","1") = "6"
    & skf21("3","7","6","6","4","4","2","1") = "6"
    & skf21("3","7","6","6","4","4","3","1") = "6"
    & skf21("3","7","6","6","4","4","4","1") = "6"
    & skf21("3","7","6","6","4","4","5","1") = "6"
    & skf21("3","7","6","6","4","4","6","1") = "6"
    & skf21("3","7","6","6","4","4","7","1") = "6"
    & skf21("3","7","6","6","4","5","1","1") = "6"
    & skf21("3","7","6","6","4","5","2","1") = "6"
    & skf21("3","7","6","6","4","5","3","1") = "6"
    & skf21("3","7","6","6","4","5","4","1") = "6"
    & skf21("3","7","6","6","4","5","5","1") = "6"
    & skf21("3","7","6","6","4","5","6","1") = "6"
    & skf21("3","7","6","6","4","5","7","1") = "6"
    & skf21("3","7","6","6","4","6","1","1") = "6"
    & skf21("3","7","6","6","4","6","2","1") = "6"
    & skf21("3","7","6","6","4","6","3","1") = "6"
    & skf21("3","7","6","6","4","6","4","1") = "6"
    & skf21("3","7","6","6","4","6","5","1") = "6"
    & skf21("3","7","6","6","4","6","6","1") = "6"
    & skf21("3","7","6","6","4","6","7","1") = "6"
    & skf21("3","7","6","6","4","7","1","1") = "6"
    & skf21("3","7","6","6","4","7","2","1") = "6"
    & skf21("3","7","6","6","4","7","3","1") = "6"
    & skf21("3","7","6","6","4","7","4","1") = "6"
    & skf21("3","7","6","6","4","7","5","1") = "6"
    & skf21("3","7","6","6","4","7","6","1") = "6"
    & skf21("3","7","6","6","4","7","7","1") = "6"
    & skf21("3","7","6","6","5","1","1","1") = "6"
    & skf21("3","7","6","6","5","1","2","1") = "6"
    & skf21("3","7","6","6","5","1","3","1") = "6"
    & skf21("3","7","6","6","5","1","4","1") = "6"
    & skf21("3","7","6","6","5","1","5","1") = "6"
    & skf21("3","7","6","6","5","1","6","1") = "6"
    & skf21("3","7","6","6","5","1","7","1") = "6"
    & skf21("3","7","6","6","5","2","1","1") = "6"
    & skf21("3","7","6","6","5","2","2","1") = "6"
    & skf21("3","7","6","6","5","2","3","1") = "6"
    & skf21("3","7","6","6","5","2","4","1") = "6"
    & skf21("3","7","6","6","5","2","5","1") = "6"
    & skf21("3","7","6","6","5","2","6","1") = "6"
    & skf21("3","7","6","6","5","2","7","1") = "6"
    & skf21("3","7","6","6","5","3","1","1") = "6"
    & skf21("3","7","6","6","5","3","2","1") = "6"
    & skf21("3","7","6","6","5","3","3","1") = "6"
    & skf21("3","7","6","6","5","3","4","1") = "6"
    & skf21("3","7","6","6","5","3","5","1") = "6"
    & skf21("3","7","6","6","5","3","6","1") = "6"
    & skf21("3","7","6","6","5","3","7","1") = "6"
    & skf21("3","7","6","6","5","4","1","1") = "6"
    & skf21("3","7","6","6","5","4","2","1") = "6"
    & skf21("3","7","6","6","5","4","3","1") = "6"
    & skf21("3","7","6","6","5","4","4","1") = "6"
    & skf21("3","7","6","6","5","4","5","1") = "6"
    & skf21("3","7","6","6","5","4","6","1") = "6"
    & skf21("3","7","6","6","5","4","7","1") = "6"
    & skf21("3","7","6","6","5","5","1","1") = "6"
    & skf21("3","7","6","6","5","5","2","1") = "6"
    & skf21("3","7","6","6","5","5","3","1") = "6"
    & skf21("3","7","6","6","5","5","4","1") = "6"
    & skf21("3","7","6","6","5","5","5","1") = "6"
    & skf21("3","7","6","6","5","5","6","1") = "6"
    & skf21("3","7","6","6","5","5","7","1") = "6"
    & skf21("3","7","6","6","5","6","1","1") = "6"
    & skf21("3","7","6","6","5","6","2","1") = "6"
    & skf21("3","7","6","6","5","6","3","1") = "6"
    & skf21("3","7","6","6","5","6","4","1") = "6"
    & skf21("3","7","6","6","5","6","5","1") = "6"
    & skf21("3","7","6","6","5","6","6","1") = "6"
    & skf21("3","7","6","6","5","6","7","1") = "6"
    & skf21("3","7","6","6","5","7","1","1") = "6"
    & skf21("3","7","6","6","5","7","2","1") = "6"
    & skf21("3","7","6","6","5","7","3","1") = "6"
    & skf21("3","7","6","6","5","7","4","1") = "6"
    & skf21("3","7","6","6","5","7","5","1") = "6"
    & skf21("3","7","6","6","5","7","6","1") = "6"
    & skf21("3","7","6","6","5","7","7","1") = "6"
    & skf21("3","7","6","6","6","1","1","1") = "6"
    & skf21("3","7","6","6","6","1","2","1") = "6"
    & skf21("3","7","6","6","6","1","3","1") = "6"
    & skf21("3","7","6","6","6","1","4","1") = "6"
    & skf21("3","7","6","6","6","1","5","1") = "6"
    & skf21("3","7","6","6","6","1","6","1") = "6"
    & skf21("3","7","6","6","6","1","7","1") = "6"
    & skf21("3","7","6","6","6","2","1","1") = "6"
    & skf21("3","7","6","6","6","2","2","1") = "6"
    & skf21("3","7","6","6","6","2","3","1") = "6"
    & skf21("3","7","6","6","6","2","4","1") = "6"
    & skf21("3","7","6","6","6","2","5","1") = "6"
    & skf21("3","7","6","6","6","2","6","1") = "6"
    & skf21("3","7","6","6","6","2","7","1") = "6"
    & skf21("3","7","6","6","6","3","1","1") = "6"
    & skf21("3","7","6","6","6","3","2","1") = "6"
    & skf21("3","7","6","6","6","3","3","1") = "6"
    & skf21("3","7","6","6","6","3","4","1") = "6"
    & skf21("3","7","6","6","6","3","5","1") = "6"
    & skf21("3","7","6","6","6","3","6","1") = "6"
    & skf21("3","7","6","6","6","3","7","1") = "6"
    & skf21("3","7","6","6","6","4","1","1") = "6"
    & skf21("3","7","6","6","6","4","2","1") = "6"
    & skf21("3","7","6","6","6","4","3","1") = "6"
    & skf21("3","7","6","6","6","4","4","1") = "6"
    & skf21("3","7","6","6","6","4","5","1") = "6"
    & skf21("3","7","6","6","6","4","6","1") = "6"
    & skf21("3","7","6","6","6","4","7","1") = "6"
    & skf21("3","7","6","6","6","5","1","1") = "6"
    & skf21("3","7","6","6","6","5","2","1") = "6"
    & skf21("3","7","6","6","6","5","3","1") = "6"
    & skf21("3","7","6","6","6","5","4","1") = "6"
    & skf21("3","7","6","6","6","5","5","1") = "6"
    & skf21("3","7","6","6","6","5","6","1") = "6"
    & skf21("3","7","6","6","6","5","7","1") = "6"
    & skf21("3","7","6","6","6","6","1","1") = "6"
    & skf21("3","7","6","6","6","6","2","1") = "6"
    & skf21("3","7","6","6","6","6","3","1") = "6"
    & skf21("3","7","6","6","6","6","4","1") = "6"
    & skf21("3","7","6","6","6","6","5","1") = "6"
    & skf21("3","7","6","6","6","6","6","1") = "6"
    & skf21("3","7","6","6","6","6","7","1") = "6"
    & skf21("3","7","6","6","6","7","1","1") = "6"
    & skf21("3","7","6","6","6","7","2","1") = "6"
    & skf21("3","7","6","6","6","7","3","1") = "6"
    & skf21("3","7","6","6","6","7","4","1") = "6"
    & skf21("3","7","6","6","6","7","5","1") = "6"
    & skf21("3","7","6","6","6","7","6","1") = "6"
    & skf21("3","7","6","6","6","7","7","1") = "6"
    & skf21("3","7","6","6","7","1","1","1") = "6"
    & skf21("3","7","6","6","7","1","2","1") = "6"
    & skf21("3","7","6","6","7","1","3","1") = "6"
    & skf21("3","7","6","6","7","1","4","1") = "6"
    & skf21("3","7","6","6","7","1","5","1") = "6"
    & skf21("3","7","6","6","7","1","6","1") = "6"
    & skf21("3","7","6","6","7","1","7","1") = "6"
    & skf21("3","7","6","6","7","2","1","1") = "6"
    & skf21("3","7","6","6","7","2","2","1") = "6"
    & skf21("3","7","6","6","7","2","3","1") = "6"
    & skf21("3","7","6","6","7","2","4","1") = "6"
    & skf21("3","7","6","6","7","2","5","1") = "6"
    & skf21("3","7","6","6","7","2","6","1") = "6"
    & skf21("3","7","6","6","7","2","7","1") = "6"
    & skf21("3","7","6","6","7","3","1","1") = "6"
    & skf21("3","7","6","6","7","3","2","1") = "6"
    & skf21("3","7","6","6","7","3","3","1") = "6"
    & skf21("3","7","6","6","7","3","4","1") = "6"
    & skf21("3","7","6","6","7","3","5","1") = "6"
    & skf21("3","7","6","6","7","3","6","1") = "6"
    & skf21("3","7","6","6","7","3","7","1") = "6"
    & skf21("3","7","6","6","7","4","1","1") = "6"
    & skf21("3","7","6","6","7","4","2","1") = "6"
    & skf21("3","7","6","6","7","4","3","1") = "6"
    & skf21("3","7","6","6","7","4","4","1") = "6"
    & skf21("3","7","6","6","7","4","5","1") = "6"
    & skf21("3","7","6","6","7","4","6","1") = "6"
    & skf21("3","7","6","6","7","4","7","1") = "6"
    & skf21("3","7","6","6","7","5","1","1") = "6"
    & skf21("3","7","6","6","7","5","2","1") = "6"
    & skf21("3","7","6","6","7","5","3","1") = "6"
    & skf21("3","7","6","6","7","5","4","1") = "6"
    & skf21("3","7","6","6","7","5","5","1") = "6"
    & skf21("3","7","6","6","7","5","6","1") = "6"
    & skf21("3","7","6","6","7","5","7","1") = "6"
    & skf21("3","7","6","6","7","6","1","1") = "6"
    & skf21("3","7","6","6","7","6","2","1") = "6"
    & skf21("3","7","6","6","7","6","3","1") = "6"
    & skf21("3","7","6","6","7","6","4","1") = "6"
    & skf21("3","7","6","6","7","6","5","1") = "6"
    & skf21("3","7","6","6","7","6","6","1") = "6"
    & skf21("3","7","6","6","7","6","7","1") = "6"
    & skf21("3","7","6","6","7","7","1","1") = "6"
    & skf21("3","7","6","6","7","7","2","1") = "6"
    & skf21("3","7","6","6","7","7","3","1") = "6"
    & skf21("3","7","6","6","7","7","4","1") = "6"
    & skf21("3","7","6","6","7","7","5","1") = "6"
    & skf21("3","7","6","6","7","7","6","1") = "6"
    & skf21("3","7","6","6","7","7","7","1") = "6"
    & skf21("3","7","6","7","1","1","1","1") = "6"
    & skf21("3","7","6","7","1","1","2","1") = "6"
    & skf21("3","7","6","7","1","1","3","1") = "6"
    & skf21("3","7","6","7","1","1","4","1") = "6"
    & skf21("3","7","6","7","1","1","5","1") = "6"
    & skf21("3","7","6","7","1","1","6","1") = "6"
    & skf21("3","7","6","7","1","1","7","1") = "6"
    & skf21("3","7","6","7","1","2","1","1") = "6"
    & skf21("3","7","6","7","1","2","2","1") = "6"
    & skf21("3","7","6","7","1","2","3","1") = "6"
    & skf21("3","7","6","7","1","2","4","1") = "6"
    & skf21("3","7","6","7","1","2","5","1") = "6"
    & skf21("3","7","6","7","1","2","6","1") = "6"
    & skf21("3","7","6","7","1","2","7","1") = "6"
    & skf21("3","7","6","7","1","3","1","1") = "6"
    & skf21("3","7","6","7","1","3","2","1") = "6"
    & skf21("3","7","6","7","1","3","3","1") = "6"
    & skf21("3","7","6","7","1","3","4","1") = "6"
    & skf21("3","7","6","7","1","3","5","1") = "6"
    & skf21("3","7","6","7","1","3","6","1") = "6"
    & skf21("3","7","6","7","1","3","7","1") = "6"
    & skf21("3","7","6","7","1","4","1","1") = "6"
    & skf21("3","7","6","7","1","4","2","1") = "6"
    & skf21("3","7","6","7","1","4","3","1") = "6"
    & skf21("3","7","6","7","1","4","4","1") = "6"
    & skf21("3","7","6","7","1","4","5","1") = "6"
    & skf21("3","7","6","7","1","4","6","1") = "6"
    & skf21("3","7","6","7","1","4","7","1") = "6"
    & skf21("3","7","6","7","1","5","1","1") = "6"
    & skf21("3","7","6","7","1","5","2","1") = "6"
    & skf21("3","7","6","7","1","5","3","1") = "6"
    & skf21("3","7","6","7","1","5","4","1") = "6"
    & skf21("3","7","6","7","1","5","5","1") = "6"
    & skf21("3","7","6","7","1","5","6","1") = "6"
    & skf21("3","7","6","7","1","5","7","1") = "6"
    & skf21("3","7","6","7","1","6","1","1") = "6"
    & skf21("3","7","6","7","1","6","2","1") = "6"
    & skf21("3","7","6","7","1","6","3","1") = "6"
    & skf21("3","7","6","7","1","6","4","1") = "6"
    & skf21("3","7","6","7","1","6","5","1") = "6"
    & skf21("3","7","6","7","1","6","6","1") = "6"
    & skf21("3","7","6","7","1","6","7","1") = "6"
    & skf21("3","7","6","7","1","7","1","1") = "6"
    & skf21("3","7","6","7","1","7","2","1") = "6"
    & skf21("3","7","6","7","1","7","3","1") = "6"
    & skf21("3","7","6","7","1","7","4","1") = "6"
    & skf21("3","7","6","7","1","7","5","1") = "6"
    & skf21("3","7","6","7","1","7","6","1") = "6"
    & skf21("3","7","6","7","1","7","7","1") = "6"
    & skf21("3","7","6","7","2","1","1","1") = "6"
    & skf21("3","7","6","7","2","1","2","1") = "6"
    & skf21("3","7","6","7","2","1","3","1") = "6"
    & skf21("3","7","6","7","2","1","4","1") = "6"
    & skf21("3","7","6","7","2","1","5","1") = "6"
    & skf21("3","7","6","7","2","1","6","1") = "6"
    & skf21("3","7","6","7","2","1","7","1") = "6"
    & skf21("3","7","6","7","2","2","1","1") = "6"
    & skf21("3","7","6","7","2","2","2","1") = "6"
    & skf21("3","7","6","7","2","2","3","1") = "6"
    & skf21("3","7","6","7","2","2","4","1") = "6"
    & skf21("3","7","6","7","2","2","5","1") = "6"
    & skf21("3","7","6","7","2","2","6","1") = "6"
    & skf21("3","7","6","7","2","2","7","1") = "6"
    & skf21("3","7","6","7","2","3","1","1") = "6"
    & skf21("3","7","6","7","2","3","2","1") = "6"
    & skf21("3","7","6","7","2","3","3","1") = "6"
    & skf21("3","7","6","7","2","3","4","1") = "6"
    & skf21("3","7","6","7","2","3","5","1") = "6"
    & skf21("3","7","6","7","2","3","6","1") = "6"
    & skf21("3","7","6","7","2","3","7","1") = "6"
    & skf21("3","7","6","7","2","4","1","1") = "6"
    & skf21("3","7","6","7","2","4","2","1") = "6"
    & skf21("3","7","6","7","2","4","3","1") = "6"
    & skf21("3","7","6","7","2","4","4","1") = "6"
    & skf21("3","7","6","7","2","4","5","1") = "6"
    & skf21("3","7","6","7","2","4","6","1") = "6"
    & skf21("3","7","6","7","2","4","7","1") = "6"
    & skf21("3","7","6","7","2","5","1","1") = "6"
    & skf21("3","7","6","7","2","5","2","1") = "6"
    & skf21("3","7","6","7","2","5","3","1") = "6"
    & skf21("3","7","6","7","2","5","4","1") = "6"
    & skf21("3","7","6","7","2","5","5","1") = "6"
    & skf21("3","7","6","7","2","5","6","1") = "6"
    & skf21("3","7","6","7","2","5","7","1") = "6"
    & skf21("3","7","6","7","2","6","1","1") = "6"
    & skf21("3","7","6","7","2","6","2","1") = "6"
    & skf21("3","7","6","7","2","6","3","1") = "6"
    & skf21("3","7","6","7","2","6","4","1") = "6"
    & skf21("3","7","6","7","2","6","5","1") = "6"
    & skf21("3","7","6","7","2","6","6","1") = "6"
    & skf21("3","7","6","7","2","6","7","1") = "6"
    & skf21("3","7","6","7","2","7","1","1") = "6"
    & skf21("3","7","6","7","2","7","2","1") = "6"
    & skf21("3","7","6","7","2","7","3","1") = "6"
    & skf21("3","7","6","7","2","7","4","1") = "6"
    & skf21("3","7","6","7","2","7","5","1") = "6"
    & skf21("3","7","6","7","2","7","6","1") = "6"
    & skf21("3","7","6","7","2","7","7","1") = "6"
    & skf21("3","7","6","7","3","1","1","1") = "6"
    & skf21("3","7","6","7","3","1","2","1") = "6"
    & skf21("3","7","6","7","3","1","3","1") = "6"
    & skf21("3","7","6","7","3","1","4","1") = "6"
    & skf21("3","7","6","7","3","1","5","1") = "6"
    & skf21("3","7","6","7","3","1","6","1") = "6"
    & skf21("3","7","6","7","3","1","7","1") = "6"
    & skf21("3","7","6","7","3","2","1","1") = "6"
    & skf21("3","7","6","7","3","2","2","1") = "6"
    & skf21("3","7","6","7","3","2","3","1") = "6"
    & skf21("3","7","6","7","3","2","4","1") = "6"
    & skf21("3","7","6","7","3","2","5","1") = "6"
    & skf21("3","7","6","7","3","2","6","1") = "6"
    & skf21("3","7","6","7","3","2","7","1") = "6"
    & skf21("3","7","6","7","3","3","1","1") = "6"
    & skf21("3","7","6","7","3","3","2","1") = "6"
    & skf21("3","7","6","7","3","3","3","1") = "6"
    & skf21("3","7","6","7","3","3","4","1") = "6"
    & skf21("3","7","6","7","3","3","5","1") = "6"
    & skf21("3","7","6","7","3","3","6","1") = "6"
    & skf21("3","7","6","7","3","3","7","1") = "6"
    & skf21("3","7","6","7","3","4","1","1") = "6"
    & skf21("3","7","6","7","3","4","2","1") = "6"
    & skf21("3","7","6","7","3","4","3","1") = "6"
    & skf21("3","7","6","7","3","4","4","1") = "6"
    & skf21("3","7","6","7","3","4","5","1") = "6"
    & skf21("3","7","6","7","3","4","6","1") = "6"
    & skf21("3","7","6","7","3","4","7","1") = "6"
    & skf21("3","7","6","7","3","5","1","1") = "6"
    & skf21("3","7","6","7","3","5","2","1") = "6"
    & skf21("3","7","6","7","3","5","3","1") = "6"
    & skf21("3","7","6","7","3","5","4","1") = "6"
    & skf21("3","7","6","7","3","5","5","1") = "6"
    & skf21("3","7","6","7","3","5","6","1") = "6"
    & skf21("3","7","6","7","3","5","7","1") = "6"
    & skf21("3","7","6","7","3","6","1","1") = "6"
    & skf21("3","7","6","7","3","6","2","1") = "6"
    & skf21("3","7","6","7","3","6","3","1") = "6"
    & skf21("3","7","6","7","3","6","4","1") = "6"
    & skf21("3","7","6","7","3","6","5","1") = "6"
    & skf21("3","7","6","7","3","6","6","1") = "6"
    & skf21("3","7","6","7","3","6","7","1") = "6"
    & skf21("3","7","6","7","3","7","1","1") = "6"
    & skf21("3","7","6","7","3","7","2","1") = "6"
    & skf21("3","7","6","7","3","7","3","1") = "6"
    & skf21("3","7","6","7","3","7","4","1") = "6"
    & skf21("3","7","6","7","3","7","5","1") = "6"
    & skf21("3","7","6","7","3","7","6","1") = "6"
    & skf21("3","7","6","7","3","7","7","1") = "6"
    & skf21("3","7","6","7","4","1","1","1") = "6"
    & skf21("3","7","6","7","4","1","2","1") = "6"
    & skf21("3","7","6","7","4","1","3","1") = "6"
    & skf21("3","7","6","7","4","1","4","1") = "6"
    & skf21("3","7","6","7","4","1","5","1") = "6"
    & skf21("3","7","6","7","4","1","6","1") = "6"
    & skf21("3","7","6","7","4","1","7","1") = "6"
    & skf21("3","7","6","7","4","2","1","1") = "6"
    & skf21("3","7","6","7","4","2","2","1") = "6"
    & skf21("3","7","6","7","4","2","3","1") = "6"
    & skf21("3","7","6","7","4","2","4","1") = "6"
    & skf21("3","7","6","7","4","2","5","1") = "6"
    & skf21("3","7","6","7","4","2","6","1") = "6"
    & skf21("3","7","6","7","4","2","7","1") = "6"
    & skf21("3","7","6","7","4","3","1","1") = "6"
    & skf21("3","7","6","7","4","3","2","1") = "6"
    & skf21("3","7","6","7","4","3","3","1") = "6"
    & skf21("3","7","6","7","4","3","4","1") = "6"
    & skf21("3","7","6","7","4","3","5","1") = "6"
    & skf21("3","7","6","7","4","3","6","1") = "6"
    & skf21("3","7","6","7","4","3","7","1") = "6"
    & skf21("3","7","6","7","4","4","1","1") = "6"
    & skf21("3","7","6","7","4","4","2","1") = "6"
    & skf21("3","7","6","7","4","4","3","1") = "6"
    & skf21("3","7","6","7","4","4","4","1") = "6"
    & skf21("3","7","6","7","4","4","5","1") = "6"
    & skf21("3","7","6","7","4","4","6","1") = "6"
    & skf21("3","7","6","7","4","4","7","1") = "6"
    & skf21("3","7","6","7","4","5","1","1") = "6"
    & skf21("3","7","6","7","4","5","2","1") = "6"
    & skf21("3","7","6","7","4","5","3","1") = "6"
    & skf21("3","7","6","7","4","5","4","1") = "6"
    & skf21("3","7","6","7","4","5","5","1") = "6"
    & skf21("3","7","6","7","4","5","6","1") = "6"
    & skf21("3","7","6","7","4","5","7","1") = "6"
    & skf21("3","7","6","7","4","6","1","1") = "6"
    & skf21("3","7","6","7","4","6","2","1") = "6"
    & skf21("3","7","6","7","4","6","3","1") = "6"
    & skf21("3","7","6","7","4","6","4","1") = "6"
    & skf21("3","7","6","7","4","6","5","1") = "6"
    & skf21("3","7","6","7","4","6","6","1") = "6"
    & skf21("3","7","6","7","4","6","7","1") = "6"
    & skf21("3","7","6","7","4","7","1","1") = "6"
    & skf21("3","7","6","7","4","7","2","1") = "6"
    & skf21("3","7","6","7","4","7","3","1") = "6"
    & skf21("3","7","6","7","4","7","4","1") = "6"
    & skf21("3","7","6","7","4","7","5","1") = "6"
    & skf21("3","7","6","7","4","7","6","1") = "6"
    & skf21("3","7","6","7","4","7","7","1") = "6"
    & skf21("3","7","6","7","5","1","1","1") = "6"
    & skf21("3","7","6","7","5","1","2","1") = "6"
    & skf21("3","7","6","7","5","1","3","1") = "6"
    & skf21("3","7","6","7","5","1","4","1") = "6"
    & skf21("3","7","6","7","5","1","5","1") = "6"
    & skf21("3","7","6","7","5","1","6","1") = "6"
    & skf21("3","7","6","7","5","1","7","1") = "6"
    & skf21("3","7","6","7","5","2","1","1") = "6"
    & skf21("3","7","6","7","5","2","2","1") = "6"
    & skf21("3","7","6","7","5","2","3","1") = "6"
    & skf21("3","7","6","7","5","2","4","1") = "6"
    & skf21("3","7","6","7","5","2","5","1") = "6"
    & skf21("3","7","6","7","5","2","6","1") = "6"
    & skf21("3","7","6","7","5","2","7","1") = "6"
    & skf21("3","7","6","7","5","3","1","1") = "6"
    & skf21("3","7","6","7","5","3","2","1") = "6"
    & skf21("3","7","6","7","5","3","3","1") = "6"
    & skf21("3","7","6","7","5","3","4","1") = "6"
    & skf21("3","7","6","7","5","3","5","1") = "6"
    & skf21("3","7","6","7","5","3","6","1") = "6"
    & skf21("3","7","6","7","5","3","7","1") = "6"
    & skf21("3","7","6","7","5","4","1","1") = "6"
    & skf21("3","7","6","7","5","4","2","1") = "6"
    & skf21("3","7","6","7","5","4","3","1") = "6"
    & skf21("3","7","6","7","5","4","4","1") = "6"
    & skf21("3","7","6","7","5","4","5","1") = "6"
    & skf21("3","7","6","7","5","4","6","1") = "6"
    & skf21("3","7","6","7","5","4","7","1") = "6"
    & skf21("3","7","6","7","5","5","1","1") = "6"
    & skf21("3","7","6","7","5","5","2","1") = "6"
    & skf21("3","7","6","7","5","5","3","1") = "6"
    & skf21("3","7","6","7","5","5","4","1") = "6"
    & skf21("3","7","6","7","5","5","5","1") = "6"
    & skf21("3","7","6","7","5","5","6","1") = "6"
    & skf21("3","7","6","7","5","5","7","1") = "6"
    & skf21("3","7","6","7","5","6","1","1") = "6"
    & skf21("3","7","6","7","5","6","2","1") = "6"
    & skf21("3","7","6","7","5","6","3","1") = "6"
    & skf21("3","7","6","7","5","6","4","1") = "6"
    & skf21("3","7","6","7","5","6","5","1") = "6"
    & skf21("3","7","6","7","5","6","6","1") = "6"
    & skf21("3","7","6","7","5","6","7","1") = "6"
    & skf21("3","7","6","7","5","7","1","1") = "6"
    & skf21("3","7","6","7","5","7","2","1") = "6"
    & skf21("3","7","6","7","5","7","3","1") = "6"
    & skf21("3","7","6","7","5","7","4","1") = "6"
    & skf21("3","7","6","7","5","7","5","1") = "6"
    & skf21("3","7","6","7","5","7","6","1") = "6"
    & skf21("3","7","6","7","5","7","7","1") = "6"
    & skf21("3","7","6","7","6","1","1","1") = "6"
    & skf21("3","7","6","7","6","1","2","1") = "6"
    & skf21("3","7","6","7","6","1","3","1") = "6"
    & skf21("3","7","6","7","6","1","4","1") = "6"
    & skf21("3","7","6","7","6","1","5","1") = "6"
    & skf21("3","7","6","7","6","1","6","1") = "6"
    & skf21("3","7","6","7","6","1","7","1") = "6"
    & skf21("3","7","6","7","6","2","1","1") = "6"
    & skf21("3","7","6","7","6","2","2","1") = "6"
    & skf21("3","7","6","7","6","2","3","1") = "6"
    & skf21("3","7","6","7","6","2","4","1") = "6"
    & skf21("3","7","6","7","6","2","5","1") = "6"
    & skf21("3","7","6","7","6","2","6","1") = "6"
    & skf21("3","7","6","7","6","2","7","1") = "6"
    & skf21("3","7","6","7","6","3","1","1") = "6"
    & skf21("3","7","6","7","6","3","2","1") = "6"
    & skf21("3","7","6","7","6","3","3","1") = "6"
    & skf21("3","7","6","7","6","3","4","1") = "6"
    & skf21("3","7","6","7","6","3","5","1") = "6"
    & skf21("3","7","6","7","6","3","6","1") = "6"
    & skf21("3","7","6","7","6","3","7","1") = "6"
    & skf21("3","7","6","7","6","4","1","1") = "6"
    & skf21("3","7","6","7","6","4","2","1") = "6"
    & skf21("3","7","6","7","6","4","3","1") = "6"
    & skf21("3","7","6","7","6","4","4","1") = "6"
    & skf21("3","7","6","7","6","4","5","1") = "6"
    & skf21("3","7","6","7","6","4","6","1") = "6"
    & skf21("3","7","6","7","6","4","7","1") = "6"
    & skf21("3","7","6","7","6","5","1","1") = "6"
    & skf21("3","7","6","7","6","5","2","1") = "6"
    & skf21("3","7","6","7","6","5","3","1") = "6"
    & skf21("3","7","6","7","6","5","4","1") = "6"
    & skf21("3","7","6","7","6","5","5","1") = "6"
    & skf21("3","7","6","7","6","5","6","1") = "6"
    & skf21("3","7","6","7","6","5","7","1") = "6"
    & skf21("3","7","6","7","6","6","1","1") = "6"
    & skf21("3","7","6","7","6","6","2","1") = "6"
    & skf21("3","7","6","7","6","6","3","1") = "6"
    & skf21("3","7","6","7","6","6","4","1") = "6"
    & skf21("3","7","6","7","6","6","5","1") = "6"
    & skf21("3","7","6","7","6","6","6","1") = "6"
    & skf21("3","7","6","7","6","6","7","1") = "6"
    & skf21("3","7","6","7","6","7","1","1") = "6"
    & skf21("3","7","6","7","6","7","2","1") = "6"
    & skf21("3","7","6","7","6","7","3","1") = "6"
    & skf21("3","7","6","7","6","7","4","1") = "6"
    & skf21("3","7","6","7","6","7","5","1") = "6"
    & skf21("3","7","6","7","6","7","6","1") = "6"
    & skf21("3","7","6","7","6","7","7","1") = "6"
    & skf21("3","7","6","7","7","1","1","1") = "6"
    & skf21("3","7","6","7","7","1","2","1") = "6"
    & skf21("3","7","6","7","7","1","3","1") = "6"
    & skf21("3","7","6","7","7","1","4","1") = "6"
    & skf21("3","7","6","7","7","1","5","1") = "6"
    & skf21("3","7","6","7","7","1","6","1") = "6"
    & skf21("3","7","6","7","7","1","7","1") = "6"
    & skf21("3","7","6","7","7","2","1","1") = "6"
    & skf21("3","7","6","7","7","2","2","1") = "6"
    & skf21("3","7","6","7","7","2","3","1") = "6"
    & skf21("3","7","6","7","7","2","4","1") = "6"
    & skf21("3","7","6","7","7","2","5","1") = "6"
    & skf21("3","7","6","7","7","2","6","1") = "6"
    & skf21("3","7","6","7","7","2","7","1") = "6"
    & skf21("3","7","6","7","7","3","1","1") = "6"
    & skf21("3","7","6","7","7","3","2","1") = "6"
    & skf21("3","7","6","7","7","3","3","1") = "6"
    & skf21("3","7","6","7","7","3","4","1") = "6"
    & skf21("3","7","6","7","7","3","5","1") = "6"
    & skf21("3","7","6","7","7","3","6","1") = "6"
    & skf21("3","7","6","7","7","3","7","1") = "6"
    & skf21("3","7","6","7","7","4","1","1") = "6"
    & skf21("3","7","6","7","7","4","2","1") = "6"
    & skf21("3","7","6","7","7","4","3","1") = "6"
    & skf21("3","7","6","7","7","4","4","1") = "6"
    & skf21("3","7","6","7","7","4","5","1") = "6"
    & skf21("3","7","6","7","7","4","6","1") = "6"
    & skf21("3","7","6","7","7","4","7","1") = "6"
    & skf21("3","7","6","7","7","5","1","1") = "6"
    & skf21("3","7","6","7","7","5","2","1") = "6"
    & skf21("3","7","6","7","7","5","3","1") = "6"
    & skf21("3","7","6","7","7","5","4","1") = "6"
    & skf21("3","7","6","7","7","5","5","1") = "6"
    & skf21("3","7","6","7","7","5","6","1") = "6"
    & skf21("3","7","6","7","7","5","7","1") = "6"
    & skf21("3","7","6","7","7","6","1","1") = "6"
    & skf21("3","7","6","7","7","6","2","1") = "6"
    & skf21("3","7","6","7","7","6","3","1") = "6"
    & skf21("3","7","6","7","7","6","4","1") = "6"
    & skf21("3","7","6","7","7","6","5","1") = "6"
    & skf21("3","7","6","7","7","6","6","1") = "6"
    & skf21("3","7","6","7","7","6","7","1") = "6"
    & skf21("3","7","6","7","7","7","1","1") = "6"
    & skf21("3","7","6","7","7","7","2","1") = "6"
    & skf21("3","7","6","7","7","7","3","1") = "6"
    & skf21("3","7","6","7","7","7","4","1") = "6"
    & skf21("3","7","6","7","7","7","5","1") = "6"
    & skf21("3","7","6","7","7","7","6","1") = "6"
    & skf21("3","7","6","7","7","7","7","1") = "6"
    & skf21("3","7","7","1","1","1","1","1") = "6"
    & skf21("3","7","7","1","1","1","2","1") = "6"
    & skf21("3","7","7","1","1","1","3","1") = "6"
    & skf21("3","7","7","1","1","1","4","1") = "6"
    & skf21("3","7","7","1","1","1","5","1") = "6"
    & skf21("3","7","7","1","1","1","6","1") = "6"
    & skf21("3","7","7","1","1","1","7","1") = "6"
    & skf21("3","7","7","1","1","2","1","1") = "6"
    & skf21("3","7","7","1","1","2","2","1") = "6"
    & skf21("3","7","7","1","1","2","3","1") = "6"
    & skf21("3","7","7","1","1","2","4","1") = "6"
    & skf21("3","7","7","1","1","2","5","1") = "6"
    & skf21("3","7","7","1","1","2","6","1") = "6"
    & skf21("3","7","7","1","1","2","7","1") = "6"
    & skf21("3","7","7","1","1","3","1","1") = "6"
    & skf21("3","7","7","1","1","3","2","1") = "6"
    & skf21("3","7","7","1","1","3","3","1") = "6"
    & skf21("3","7","7","1","1","3","4","1") = "6"
    & skf21("3","7","7","1","1","3","5","1") = "6"
    & skf21("3","7","7","1","1","3","6","1") = "6"
    & skf21("3","7","7","1","1","3","7","1") = "6"
    & skf21("3","7","7","1","1","4","1","1") = "6"
    & skf21("3","7","7","1","1","4","2","1") = "6"
    & skf21("3","7","7","1","1","4","3","1") = "6"
    & skf21("3","7","7","1","1","4","4","1") = "6"
    & skf21("3","7","7","1","1","4","5","1") = "6"
    & skf21("3","7","7","1","1","4","6","1") = "6"
    & skf21("3","7","7","1","1","4","7","1") = "6"
    & skf21("3","7","7","1","1","5","1","1") = "6"
    & skf21("3","7","7","1","1","5","2","1") = "6"
    & skf21("3","7","7","1","1","5","3","1") = "6"
    & skf21("3","7","7","1","1","5","4","1") = "6"
    & skf21("3","7","7","1","1","5","5","1") = "6"
    & skf21("3","7","7","1","1","5","6","1") = "6"
    & skf21("3","7","7","1","1","5","7","1") = "6"
    & skf21("3","7","7","1","1","6","1","1") = "6"
    & skf21("3","7","7","1","1","6","2","1") = "6"
    & skf21("3","7","7","1","1","6","3","1") = "6"
    & skf21("3","7","7","1","1","6","4","1") = "6"
    & skf21("3","7","7","1","1","6","5","1") = "6"
    & skf21("3","7","7","1","1","6","6","1") = "6"
    & skf21("3","7","7","1","1","6","7","1") = "6"
    & skf21("3","7","7","1","1","7","1","1") = "6"
    & skf21("3","7","7","1","1","7","2","1") = "6"
    & skf21("3","7","7","1","1","7","3","1") = "6"
    & skf21("3","7","7","1","1","7","4","1") = "6"
    & skf21("3","7","7","1","1","7","5","1") = "6"
    & skf21("3","7","7","1","1","7","6","1") = "6"
    & skf21("3","7","7","1","1","7","7","1") = "6"
    & skf21("3","7","7","1","2","1","1","1") = "6"
    & skf21("3","7","7","1","2","1","2","1") = "6"
    & skf21("3","7","7","1","2","1","3","1") = "6"
    & skf21("3","7","7","1","2","1","4","1") = "6"
    & skf21("3","7","7","1","2","1","5","1") = "6"
    & skf21("3","7","7","1","2","1","6","1") = "6"
    & skf21("3","7","7","1","2","1","7","1") = "6"
    & skf21("3","7","7","1","2","2","1","1") = "6"
    & skf21("3","7","7","1","2","2","2","1") = "6"
    & skf21("3","7","7","1","2","2","3","1") = "6"
    & skf21("3","7","7","1","2","2","4","1") = "6"
    & skf21("3","7","7","1","2","2","5","1") = "6"
    & skf21("3","7","7","1","2","2","6","1") = "6"
    & skf21("3","7","7","1","2","2","7","1") = "6"
    & skf21("3","7","7","1","2","3","1","1") = "6"
    & skf21("3","7","7","1","2","3","2","1") = "6"
    & skf21("3","7","7","1","2","3","3","1") = "6"
    & skf21("3","7","7","1","2","3","4","1") = "6"
    & skf21("3","7","7","1","2","3","5","1") = "6"
    & skf21("3","7","7","1","2","3","6","1") = "6"
    & skf21("3","7","7","1","2","3","7","1") = "6"
    & skf21("3","7","7","1","2","4","1","1") = "6"
    & skf21("3","7","7","1","2","4","2","1") = "6"
    & skf21("3","7","7","1","2","4","3","1") = "6"
    & skf21("3","7","7","1","2","4","4","1") = "6"
    & skf21("3","7","7","1","2","4","5","1") = "6"
    & skf21("3","7","7","1","2","4","6","1") = "6"
    & skf21("3","7","7","1","2","4","7","1") = "6"
    & skf21("3","7","7","1","2","5","1","1") = "6"
    & skf21("3","7","7","1","2","5","2","1") = "6"
    & skf21("3","7","7","1","2","5","3","1") = "6"
    & skf21("3","7","7","1","2","5","4","1") = "6"
    & skf21("3","7","7","1","2","5","5","1") = "6"
    & skf21("3","7","7","1","2","5","6","1") = "6"
    & skf21("3","7","7","1","2","5","7","1") = "6"
    & skf21("3","7","7","1","2","6","1","1") = "6"
    & skf21("3","7","7","1","2","6","2","1") = "6"
    & skf21("3","7","7","1","2","6","3","1") = "6"
    & skf21("3","7","7","1","2","6","4","1") = "6"
    & skf21("3","7","7","1","2","6","5","1") = "6"
    & skf21("3","7","7","1","2","6","6","1") = "6"
    & skf21("3","7","7","1","2","6","7","1") = "6"
    & skf21("3","7","7","1","2","7","1","1") = "6"
    & skf21("3","7","7","1","2","7","2","1") = "6"
    & skf21("3","7","7","1","2","7","3","1") = "6"
    & skf21("3","7","7","1","2","7","4","1") = "6"
    & skf21("3","7","7","1","2","7","5","1") = "6"
    & skf21("3","7","7","1","2","7","6","1") = "6"
    & skf21("3","7","7","1","2","7","7","1") = "6"
    & skf21("3","7","7","1","3","1","1","1") = "6"
    & skf21("3","7","7","1","3","1","2","1") = "6"
    & skf21("3","7","7","1","3","1","3","1") = "6"
    & skf21("3","7","7","1","3","1","4","1") = "6"
    & skf21("3","7","7","1","3","1","5","1") = "6"
    & skf21("3","7","7","1","3","1","6","1") = "6"
    & skf21("3","7","7","1","3","1","7","1") = "6"
    & skf21("3","7","7","1","3","2","1","1") = "6"
    & skf21("3","7","7","1","3","2","2","1") = "6"
    & skf21("3","7","7","1","3","2","3","1") = "6"
    & skf21("3","7","7","1","3","2","4","1") = "6"
    & skf21("3","7","7","1","3","2","5","1") = "6"
    & skf21("3","7","7","1","3","2","6","1") = "6"
    & skf21("3","7","7","1","3","2","7","1") = "6"
    & skf21("3","7","7","1","3","3","1","1") = "6"
    & skf21("3","7","7","1","3","3","2","1") = "6"
    & skf21("3","7","7","1","3","3","3","1") = "6"
    & skf21("3","7","7","1","3","3","4","1") = "6"
    & skf21("3","7","7","1","3","3","5","1") = "6"
    & skf21("3","7","7","1","3","3","6","1") = "6"
    & skf21("3","7","7","1","3","3","7","1") = "6"
    & skf21("3","7","7","1","3","4","1","1") = "6"
    & skf21("3","7","7","1","3","4","2","1") = "6"
    & skf21("3","7","7","1","3","4","3","1") = "6"
    & skf21("3","7","7","1","3","4","4","1") = "6"
    & skf21("3","7","7","1","3","4","5","1") = "6"
    & skf21("3","7","7","1","3","4","6","1") = "6"
    & skf21("3","7","7","1","3","4","7","1") = "6"
    & skf21("3","7","7","1","3","5","1","1") = "6"
    & skf21("3","7","7","1","3","5","2","1") = "6"
    & skf21("3","7","7","1","3","5","3","1") = "6"
    & skf21("3","7","7","1","3","5","4","1") = "6"
    & skf21("3","7","7","1","3","5","5","1") = "6"
    & skf21("3","7","7","1","3","5","6","1") = "6"
    & skf21("3","7","7","1","3","5","7","1") = "6"
    & skf21("3","7","7","1","3","6","1","1") = "6"
    & skf21("3","7","7","1","3","6","2","1") = "6"
    & skf21("3","7","7","1","3","6","3","1") = "6"
    & skf21("3","7","7","1","3","6","4","1") = "6"
    & skf21("3","7","7","1","3","6","5","1") = "6"
    & skf21("3","7","7","1","3","6","6","1") = "6"
    & skf21("3","7","7","1","3","6","7","1") = "6"
    & skf21("3","7","7","1","3","7","1","1") = "6"
    & skf21("3","7","7","1","3","7","2","1") = "6"
    & skf21("3","7","7","1","3","7","3","1") = "6"
    & skf21("3","7","7","1","3","7","4","1") = "6"
    & skf21("3","7","7","1","3","7","5","1") = "6"
    & skf21("3","7","7","1","3","7","6","1") = "6"
    & skf21("3","7","7","1","3","7","7","1") = "6"
    & skf21("3","7","7","1","4","1","1","1") = "6"
    & skf21("3","7","7","1","4","1","2","1") = "6"
    & skf21("3","7","7","1","4","1","3","1") = "6"
    & skf21("3","7","7","1","4","1","4","1") = "6"
    & skf21("3","7","7","1","4","1","5","1") = "6"
    & skf21("3","7","7","1","4","1","6","1") = "6"
    & skf21("3","7","7","1","4","1","7","1") = "6"
    & skf21("3","7","7","1","4","2","1","1") = "6"
    & skf21("3","7","7","1","4","2","2","1") = "6"
    & skf21("3","7","7","1","4","2","3","1") = "6"
    & skf21("3","7","7","1","4","2","4","1") = "6"
    & skf21("3","7","7","1","4","2","5","1") = "6"
    & skf21("3","7","7","1","4","2","6","1") = "6"
    & skf21("3","7","7","1","4","2","7","1") = "6"
    & skf21("3","7","7","1","4","3","1","1") = "6"
    & skf21("3","7","7","1","4","3","2","1") = "6"
    & skf21("3","7","7","1","4","3","3","1") = "6"
    & skf21("3","7","7","1","4","3","4","1") = "6"
    & skf21("3","7","7","1","4","3","5","1") = "6"
    & skf21("3","7","7","1","4","3","6","1") = "6"
    & skf21("3","7","7","1","4","3","7","1") = "6"
    & skf21("3","7","7","1","4","4","1","1") = "6"
    & skf21("3","7","7","1","4","4","2","1") = "6"
    & skf21("3","7","7","1","4","4","3","1") = "6"
    & skf21("3","7","7","1","4","4","4","1") = "6"
    & skf21("3","7","7","1","4","4","5","1") = "6"
    & skf21("3","7","7","1","4","4","6","1") = "6"
    & skf21("3","7","7","1","4","4","7","1") = "6"
    & skf21("3","7","7","1","4","5","1","1") = "6"
    & skf21("3","7","7","1","4","5","2","1") = "6"
    & skf21("3","7","7","1","4","5","3","1") = "6"
    & skf21("3","7","7","1","4","5","4","1") = "6"
    & skf21("3","7","7","1","4","5","5","1") = "6"
    & skf21("3","7","7","1","4","5","6","1") = "6"
    & skf21("3","7","7","1","4","5","7","1") = "6"
    & skf21("3","7","7","1","4","6","1","1") = "6"
    & skf21("3","7","7","1","4","6","2","1") = "6"
    & skf21("3","7","7","1","4","6","3","1") = "6"
    & skf21("3","7","7","1","4","6","4","1") = "6"
    & skf21("3","7","7","1","4","6","5","1") = "6"
    & skf21("3","7","7","1","4","6","6","1") = "6"
    & skf21("3","7","7","1","4","6","7","1") = "6"
    & skf21("3","7","7","1","4","7","1","1") = "6"
    & skf21("3","7","7","1","4","7","2","1") = "6"
    & skf21("3","7","7","1","4","7","3","1") = "6"
    & skf21("3","7","7","1","4","7","4","1") = "6"
    & skf21("3","7","7","1","4","7","5","1") = "6"
    & skf21("3","7","7","1","4","7","6","1") = "6"
    & skf21("3","7","7","1","4","7","7","1") = "6"
    & skf21("3","7","7","1","5","1","1","1") = "6"
    & skf21("3","7","7","1","5","1","2","1") = "6"
    & skf21("3","7","7","1","5","1","3","1") = "6"
    & skf21("3","7","7","1","5","1","4","1") = "6"
    & skf21("3","7","7","1","5","1","5","1") = "6"
    & skf21("3","7","7","1","5","1","6","1") = "6"
    & skf21("3","7","7","1","5","1","7","1") = "6"
    & skf21("3","7","7","1","5","2","1","1") = "6"
    & skf21("3","7","7","1","5","2","2","1") = "6"
    & skf21("3","7","7","1","5","2","3","1") = "6"
    & skf21("3","7","7","1","5","2","4","1") = "6"
    & skf21("3","7","7","1","5","2","5","1") = "6"
    & skf21("3","7","7","1","5","2","6","1") = "6"
    & skf21("3","7","7","1","5","2","7","1") = "6"
    & skf21("3","7","7","1","5","3","1","1") = "6"
    & skf21("3","7","7","1","5","3","2","1") = "6"
    & skf21("3","7","7","1","5","3","3","1") = "6"
    & skf21("3","7","7","1","5","3","4","1") = "6"
    & skf21("3","7","7","1","5","3","5","1") = "6"
    & skf21("3","7","7","1","5","3","6","1") = "6"
    & skf21("3","7","7","1","5","3","7","1") = "6"
    & skf21("3","7","7","1","5","4","1","1") = "6"
    & skf21("3","7","7","1","5","4","2","1") = "6"
    & skf21("3","7","7","1","5","4","3","1") = "6"
    & skf21("3","7","7","1","5","4","4","1") = "6"
    & skf21("3","7","7","1","5","4","5","1") = "6"
    & skf21("3","7","7","1","5","4","6","1") = "6"
    & skf21("3","7","7","1","5","4","7","1") = "6"
    & skf21("3","7","7","1","5","5","1","1") = "6"
    & skf21("3","7","7","1","5","5","2","1") = "6"
    & skf21("3","7","7","1","5","5","3","1") = "6"
    & skf21("3","7","7","1","5","5","4","1") = "6"
    & skf21("3","7","7","1","5","5","5","1") = "6"
    & skf21("3","7","7","1","5","5","6","1") = "6"
    & skf21("3","7","7","1","5","5","7","1") = "6"
    & skf21("3","7","7","1","5","6","1","1") = "6"
    & skf21("3","7","7","1","5","6","2","1") = "6"
    & skf21("3","7","7","1","5","6","3","1") = "6"
    & skf21("3","7","7","1","5","6","4","1") = "6"
    & skf21("3","7","7","1","5","6","5","1") = "6"
    & skf21("3","7","7","1","5","6","6","1") = "6"
    & skf21("3","7","7","1","5","6","7","1") = "6"
    & skf21("3","7","7","1","5","7","1","1") = "6"
    & skf21("3","7","7","1","5","7","2","1") = "6"
    & skf21("3","7","7","1","5","7","3","1") = "6"
    & skf21("3","7","7","1","5","7","4","1") = "6"
    & skf21("3","7","7","1","5","7","5","1") = "6"
    & skf21("3","7","7","1","5","7","6","1") = "6"
    & skf21("3","7","7","1","5","7","7","1") = "6"
    & skf21("3","7","7","1","6","1","1","1") = "6"
    & skf21("3","7","7","1","6","1","2","1") = "6"
    & skf21("3","7","7","1","6","1","3","1") = "6"
    & skf21("3","7","7","1","6","1","4","1") = "6"
    & skf21("3","7","7","1","6","1","5","1") = "6"
    & skf21("3","7","7","1","6","1","6","1") = "6"
    & skf21("3","7","7","1","6","1","7","1") = "6"
    & skf21("3","7","7","1","6","2","1","1") = "6"
    & skf21("3","7","7","1","6","2","2","1") = "6"
    & skf21("3","7","7","1","6","2","3","1") = "6"
    & skf21("3","7","7","1","6","2","4","1") = "6"
    & skf21("3","7","7","1","6","2","5","1") = "6"
    & skf21("3","7","7","1","6","2","6","1") = "6"
    & skf21("3","7","7","1","6","2","7","1") = "6"
    & skf21("3","7","7","1","6","3","1","1") = "6"
    & skf21("3","7","7","1","6","3","2","1") = "6"
    & skf21("3","7","7","1","6","3","3","1") = "6"
    & skf21("3","7","7","1","6","3","4","1") = "6"
    & skf21("3","7","7","1","6","3","5","1") = "6"
    & skf21("3","7","7","1","6","3","6","1") = "6"
    & skf21("3","7","7","1","6","3","7","1") = "6"
    & skf21("3","7","7","1","6","4","1","1") = "6"
    & skf21("3","7","7","1","6","4","2","1") = "6"
    & skf21("3","7","7","1","6","4","3","1") = "6"
    & skf21("3","7","7","1","6","4","4","1") = "6"
    & skf21("3","7","7","1","6","4","5","1") = "6"
    & skf21("3","7","7","1","6","4","6","1") = "6"
    & skf21("3","7","7","1","6","4","7","1") = "6"
    & skf21("3","7","7","1","6","5","1","1") = "6"
    & skf21("3","7","7","1","6","5","2","1") = "6"
    & skf21("3","7","7","1","6","5","3","1") = "6"
    & skf21("3","7","7","1","6","5","4","1") = "6"
    & skf21("3","7","7","1","6","5","5","1") = "6"
    & skf21("3","7","7","1","6","5","6","1") = "6"
    & skf21("3","7","7","1","6","5","7","1") = "6"
    & skf21("3","7","7","1","6","6","1","1") = "6"
    & skf21("3","7","7","1","6","6","2","1") = "6"
    & skf21("3","7","7","1","6","6","3","1") = "6"
    & skf21("3","7","7","1","6","6","4","1") = "6"
    & skf21("3","7","7","1","6","6","5","1") = "6"
    & skf21("3","7","7","1","6","6","6","1") = "6"
    & skf21("3","7","7","1","6","6","7","1") = "6"
    & skf21("3","7","7","1","6","7","1","1") = "6"
    & skf21("3","7","7","1","6","7","2","1") = "6"
    & skf21("3","7","7","1","6","7","3","1") = "6"
    & skf21("3","7","7","1","6","7","4","1") = "6"
    & skf21("3","7","7","1","6","7","5","1") = "6"
    & skf21("3","7","7","1","6","7","6","1") = "6"
    & skf21("3","7","7","1","6","7","7","1") = "6"
    & skf21("3","7","7","1","7","1","1","1") = "6"
    & skf21("3","7","7","1","7","1","2","1") = "6"
    & skf21("3","7","7","1","7","1","3","1") = "6"
    & skf21("3","7","7","1","7","1","4","1") = "6"
    & skf21("3","7","7","1","7","1","5","1") = "6"
    & skf21("3","7","7","1","7","1","6","1") = "6"
    & skf21("3","7","7","1","7","1","7","1") = "6"
    & skf21("3","7","7","1","7","2","1","1") = "6"
    & skf21("3","7","7","1","7","2","2","1") = "6"
    & skf21("3","7","7","1","7","2","3","1") = "6"
    & skf21("3","7","7","1","7","2","4","1") = "6"
    & skf21("3","7","7","1","7","2","5","1") = "6"
    & skf21("3","7","7","1","7","2","6","1") = "6"
    & skf21("3","7","7","1","7","2","7","1") = "6"
    & skf21("3","7","7","1","7","3","1","1") = "6"
    & skf21("3","7","7","1","7","3","2","1") = "6"
    & skf21("3","7","7","1","7","3","3","1") = "6"
    & skf21("3","7","7","1","7","3","4","1") = "6"
    & skf21("3","7","7","1","7","3","5","1") = "6"
    & skf21("3","7","7","1","7","3","6","1") = "6"
    & skf21("3","7","7","1","7","3","7","1") = "6"
    & skf21("3","7","7","1","7","4","1","1") = "6"
    & skf21("3","7","7","1","7","4","2","1") = "6"
    & skf21("3","7","7","1","7","4","3","1") = "6"
    & skf21("3","7","7","1","7","4","4","1") = "6"
    & skf21("3","7","7","1","7","4","5","1") = "6"
    & skf21("3","7","7","1","7","4","6","1") = "6"
    & skf21("3","7","7","1","7","4","7","1") = "6"
    & skf21("3","7","7","1","7","5","1","1") = "6"
    & skf21("3","7","7","1","7","5","2","1") = "6"
    & skf21("3","7","7","1","7","5","3","1") = "6"
    & skf21("3","7","7","1","7","5","4","1") = "6"
    & skf21("3","7","7","1","7","5","5","1") = "6"
    & skf21("3","7","7","1","7","5","6","1") = "6"
    & skf21("3","7","7","1","7","5","7","1") = "6"
    & skf21("3","7","7","1","7","6","1","1") = "6"
    & skf21("3","7","7","1","7","6","2","1") = "6"
    & skf21("3","7","7","1","7","6","3","1") = "6"
    & skf21("3","7","7","1","7","6","4","1") = "6"
    & skf21("3","7","7","1","7","6","5","1") = "6"
    & skf21("3","7","7","1","7","6","6","1") = "6"
    & skf21("3","7","7","1","7","6","7","1") = "6"
    & skf21("3","7","7","1","7","7","1","1") = "6"
    & skf21("3","7","7","1","7","7","2","1") = "6"
    & skf21("3","7","7","1","7","7","3","1") = "6"
    & skf21("3","7","7","1","7","7","4","1") = "6"
    & skf21("3","7","7","1","7","7","5","1") = "6"
    & skf21("3","7","7","1","7","7","6","1") = "6"
    & skf21("3","7","7","1","7","7","7","1") = "6"
    & skf21("3","7","7","2","1","1","1","1") = "6"
    & skf21("3","7","7","2","1","1","2","1") = "6"
    & skf21("3","7","7","2","1","1","3","1") = "6"
    & skf21("3","7","7","2","1","1","4","1") = "6"
    & skf21("3","7","7","2","1","1","5","1") = "6"
    & skf21("3","7","7","2","1","1","6","1") = "6"
    & skf21("3","7","7","2","1","1","7","1") = "6"
    & skf21("3","7","7","2","1","2","1","1") = "6"
    & skf21("3","7","7","2","1","2","2","1") = "6"
    & skf21("3","7","7","2","1","2","3","1") = "6"
    & skf21("3","7","7","2","1","2","4","1") = "6"
    & skf21("3","7","7","2","1","2","5","1") = "6"
    & skf21("3","7","7","2","1","2","6","1") = "6"
    & skf21("3","7","7","2","1","2","7","1") = "6"
    & skf21("3","7","7","2","1","3","1","1") = "6"
    & skf21("3","7","7","2","1","3","2","1") = "6"
    & skf21("3","7","7","2","1","3","3","1") = "6"
    & skf21("3","7","7","2","1","3","4","1") = "6"
    & skf21("3","7","7","2","1","3","5","1") = "6"
    & skf21("3","7","7","2","1","3","6","1") = "6"
    & skf21("3","7","7","2","1","3","7","1") = "6"
    & skf21("3","7","7","2","1","4","1","1") = "6"
    & skf21("3","7","7","2","1","4","2","1") = "6"
    & skf21("3","7","7","2","1","4","3","1") = "6"
    & skf21("3","7","7","2","1","4","4","1") = "6"
    & skf21("3","7","7","2","1","4","5","1") = "6"
    & skf21("3","7","7","2","1","4","6","1") = "6"
    & skf21("3","7","7","2","1","4","7","1") = "6"
    & skf21("3","7","7","2","1","5","1","1") = "6"
    & skf21("3","7","7","2","1","5","2","1") = "6"
    & skf21("3","7","7","2","1","5","3","1") = "6"
    & skf21("3","7","7","2","1","5","4","1") = "6"
    & skf21("3","7","7","2","1","5","5","1") = "6"
    & skf21("3","7","7","2","1","5","6","1") = "6"
    & skf21("3","7","7","2","1","5","7","1") = "6"
    & skf21("3","7","7","2","1","6","1","1") = "6"
    & skf21("3","7","7","2","1","6","2","1") = "6"
    & skf21("3","7","7","2","1","6","3","1") = "6"
    & skf21("3","7","7","2","1","6","4","1") = "6"
    & skf21("3","7","7","2","1","6","5","1") = "6"
    & skf21("3","7","7","2","1","6","6","1") = "6"
    & skf21("3","7","7","2","1","6","7","1") = "6"
    & skf21("3","7","7","2","1","7","1","1") = "6"
    & skf21("3","7","7","2","1","7","2","1") = "6"
    & skf21("3","7","7","2","1","7","3","1") = "6"
    & skf21("3","7","7","2","1","7","4","1") = "6"
    & skf21("3","7","7","2","1","7","5","1") = "6"
    & skf21("3","7","7","2","1","7","6","1") = "6"
    & skf21("3","7","7","2","1","7","7","1") = "6"
    & skf21("3","7","7","2","2","1","1","1") = "6"
    & skf21("3","7","7","2","2","1","2","1") = "6"
    & skf21("3","7","7","2","2","1","3","1") = "6"
    & skf21("3","7","7","2","2","1","4","1") = "6"
    & skf21("3","7","7","2","2","1","5","1") = "6"
    & skf21("3","7","7","2","2","1","6","1") = "6"
    & skf21("3","7","7","2","2","1","7","1") = "6"
    & skf21("3","7","7","2","2","2","1","1") = "6"
    & skf21("3","7","7","2","2","2","2","1") = "6"
    & skf21("3","7","7","2","2","2","3","1") = "6"
    & skf21("3","7","7","2","2","2","4","1") = "6"
    & skf21("3","7","7","2","2","2","5","1") = "6"
    & skf21("3","7","7","2","2","2","6","1") = "6"
    & skf21("3","7","7","2","2","2","7","1") = "6"
    & skf21("3","7","7","2","2","3","1","1") = "6"
    & skf21("3","7","7","2","2","3","2","1") = "6"
    & skf21("3","7","7","2","2","3","3","1") = "6"
    & skf21("3","7","7","2","2","3","4","1") = "6"
    & skf21("3","7","7","2","2","3","5","1") = "6"
    & skf21("3","7","7","2","2","3","6","1") = "6"
    & skf21("3","7","7","2","2","3","7","1") = "6"
    & skf21("3","7","7","2","2","4","1","1") = "6"
    & skf21("3","7","7","2","2","4","2","1") = "6"
    & skf21("3","7","7","2","2","4","3","1") = "6"
    & skf21("3","7","7","2","2","4","4","1") = "6"
    & skf21("3","7","7","2","2","4","5","1") = "6"
    & skf21("3","7","7","2","2","4","6","1") = "6"
    & skf21("3","7","7","2","2","4","7","1") = "6"
    & skf21("3","7","7","2","2","5","1","1") = "6"
    & skf21("3","7","7","2","2","5","2","1") = "6"
    & skf21("3","7","7","2","2","5","3","1") = "6"
    & skf21("3","7","7","2","2","5","4","1") = "6"
    & skf21("3","7","7","2","2","5","5","1") = "6"
    & skf21("3","7","7","2","2","5","6","1") = "6"
    & skf21("3","7","7","2","2","5","7","1") = "6"
    & skf21("3","7","7","2","2","6","1","1") = "6"
    & skf21("3","7","7","2","2","6","2","1") = "6"
    & skf21("3","7","7","2","2","6","3","1") = "6"
    & skf21("3","7","7","2","2","6","4","1") = "6"
    & skf21("3","7","7","2","2","6","5","1") = "6"
    & skf21("3","7","7","2","2","6","6","1") = "6"
    & skf21("3","7","7","2","2","6","7","1") = "6"
    & skf21("3","7","7","2","2","7","1","1") = "6"
    & skf21("3","7","7","2","2","7","2","1") = "6"
    & skf21("3","7","7","2","2","7","3","1") = "6"
    & skf21("3","7","7","2","2","7","4","1") = "6"
    & skf21("3","7","7","2","2","7","5","1") = "6"
    & skf21("3","7","7","2","2","7","6","1") = "6"
    & skf21("3","7","7","2","2","7","7","1") = "6"
    & skf21("3","7","7","2","3","1","1","1") = "6"
    & skf21("3","7","7","2","3","1","2","1") = "6"
    & skf21("3","7","7","2","3","1","3","1") = "6"
    & skf21("3","7","7","2","3","1","4","1") = "6"
    & skf21("3","7","7","2","3","1","5","1") = "6"
    & skf21("3","7","7","2","3","1","6","1") = "6"
    & skf21("3","7","7","2","3","1","7","1") = "6"
    & skf21("3","7","7","2","3","2","1","1") = "6"
    & skf21("3","7","7","2","3","2","2","1") = "6"
    & skf21("3","7","7","2","3","2","3","1") = "6"
    & skf21("3","7","7","2","3","2","4","1") = "6"
    & skf21("3","7","7","2","3","2","5","1") = "6"
    & skf21("3","7","7","2","3","2","6","1") = "6"
    & skf21("3","7","7","2","3","2","7","1") = "6"
    & skf21("3","7","7","2","3","3","1","1") = "6"
    & skf21("3","7","7","2","3","3","2","1") = "6"
    & skf21("3","7","7","2","3","3","3","1") = "6"
    & skf21("3","7","7","2","3","3","4","1") = "6"
    & skf21("3","7","7","2","3","3","5","1") = "6"
    & skf21("3","7","7","2","3","3","6","1") = "6"
    & skf21("3","7","7","2","3","3","7","1") = "6"
    & skf21("3","7","7","2","3","4","1","1") = "6"
    & skf21("3","7","7","2","3","4","2","1") = "6"
    & skf21("3","7","7","2","3","4","3","1") = "6"
    & skf21("3","7","7","2","3","4","4","1") = "6"
    & skf21("3","7","7","2","3","4","5","1") = "6"
    & skf21("3","7","7","2","3","4","6","1") = "6"
    & skf21("3","7","7","2","3","4","7","1") = "6"
    & skf21("3","7","7","2","3","5","1","1") = "6"
    & skf21("3","7","7","2","3","5","2","1") = "6"
    & skf21("3","7","7","2","3","5","3","1") = "6"
    & skf21("3","7","7","2","3","5","4","1") = "6"
    & skf21("3","7","7","2","3","5","5","1") = "6"
    & skf21("3","7","7","2","3","5","6","1") = "6"
    & skf21("3","7","7","2","3","5","7","1") = "6"
    & skf21("3","7","7","2","3","6","1","1") = "6"
    & skf21("3","7","7","2","3","6","2","1") = "6"
    & skf21("3","7","7","2","3","6","3","1") = "6"
    & skf21("3","7","7","2","3","6","4","1") = "6"
    & skf21("3","7","7","2","3","6","5","1") = "6"
    & skf21("3","7","7","2","3","6","6","1") = "6"
    & skf21("3","7","7","2","3","6","7","1") = "6"
    & skf21("3","7","7","2","3","7","1","1") = "6"
    & skf21("3","7","7","2","3","7","2","1") = "6"
    & skf21("3","7","7","2","3","7","3","1") = "6"
    & skf21("3","7","7","2","3","7","4","1") = "6"
    & skf21("3","7","7","2","3","7","5","1") = "6"
    & skf21("3","7","7","2","3","7","6","1") = "6"
    & skf21("3","7","7","2","3","7","7","1") = "6"
    & skf21("3","7","7","2","4","1","1","1") = "6"
    & skf21("3","7","7","2","4","1","2","1") = "6"
    & skf21("3","7","7","2","4","1","3","1") = "6"
    & skf21("3","7","7","2","4","1","4","1") = "6"
    & skf21("3","7","7","2","4","1","5","1") = "6"
    & skf21("3","7","7","2","4","1","6","1") = "6"
    & skf21("3","7","7","2","4","1","7","1") = "6"
    & skf21("3","7","7","2","4","2","1","1") = "6"
    & skf21("3","7","7","2","4","2","2","1") = "6"
    & skf21("3","7","7","2","4","2","3","1") = "6"
    & skf21("3","7","7","2","4","2","4","1") = "6"
    & skf21("3","7","7","2","4","2","5","1") = "6"
    & skf21("3","7","7","2","4","2","6","1") = "6"
    & skf21("3","7","7","2","4","2","7","1") = "6"
    & skf21("3","7","7","2","4","3","1","1") = "6"
    & skf21("3","7","7","2","4","3","2","1") = "6"
    & skf21("3","7","7","2","4","3","3","1") = "6"
    & skf21("3","7","7","2","4","3","4","1") = "6"
    & skf21("3","7","7","2","4","3","5","1") = "6"
    & skf21("3","7","7","2","4","3","6","1") = "6"
    & skf21("3","7","7","2","4","3","7","1") = "6"
    & skf21("3","7","7","2","4","4","1","1") = "6"
    & skf21("3","7","7","2","4","4","2","1") = "6"
    & skf21("3","7","7","2","4","4","3","1") = "6"
    & skf21("3","7","7","2","4","4","4","1") = "6"
    & skf21("3","7","7","2","4","4","5","1") = "6"
    & skf21("3","7","7","2","4","4","6","1") = "6"
    & skf21("3","7","7","2","4","4","7","1") = "6"
    & skf21("3","7","7","2","4","5","1","1") = "6"
    & skf21("3","7","7","2","4","5","2","1") = "6"
    & skf21("3","7","7","2","4","5","3","1") = "6"
    & skf21("3","7","7","2","4","5","4","1") = "6"
    & skf21("3","7","7","2","4","5","5","1") = "6"
    & skf21("3","7","7","2","4","5","6","1") = "6"
    & skf21("3","7","7","2","4","5","7","1") = "6"
    & skf21("3","7","7","2","4","6","1","1") = "6"
    & skf21("3","7","7","2","4","6","2","1") = "6"
    & skf21("3","7","7","2","4","6","3","1") = "6"
    & skf21("3","7","7","2","4","6","4","1") = "6"
    & skf21("3","7","7","2","4","6","5","1") = "6"
    & skf21("3","7","7","2","4","6","6","1") = "6"
    & skf21("3","7","7","2","4","6","7","1") = "6"
    & skf21("3","7","7","2","4","7","1","1") = "6"
    & skf21("3","7","7","2","4","7","2","1") = "6"
    & skf21("3","7","7","2","4","7","3","1") = "6"
    & skf21("3","7","7","2","4","7","4","1") = "6"
    & skf21("3","7","7","2","4","7","5","1") = "6"
    & skf21("3","7","7","2","4","7","6","1") = "6"
    & skf21("3","7","7","2","4","7","7","1") = "6"
    & skf21("3","7","7","2","5","1","1","1") = "6"
    & skf21("3","7","7","2","5","1","2","1") = "6"
    & skf21("3","7","7","2","5","1","3","1") = "6"
    & skf21("3","7","7","2","5","1","4","1") = "6"
    & skf21("3","7","7","2","5","1","5","1") = "6"
    & skf21("3","7","7","2","5","1","6","1") = "6"
    & skf21("3","7","7","2","5","1","7","1") = "6"
    & skf21("3","7","7","2","5","2","1","1") = "6"
    & skf21("3","7","7","2","5","2","2","1") = "6"
    & skf21("3","7","7","2","5","2","3","1") = "6"
    & skf21("3","7","7","2","5","2","4","1") = "6"
    & skf21("3","7","7","2","5","2","5","1") = "6"
    & skf21("3","7","7","2","5","2","6","1") = "6"
    & skf21("3","7","7","2","5","2","7","1") = "6"
    & skf21("3","7","7","2","5","3","1","1") = "6"
    & skf21("3","7","7","2","5","3","2","1") = "6"
    & skf21("3","7","7","2","5","3","3","1") = "6"
    & skf21("3","7","7","2","5","3","4","1") = "6"
    & skf21("3","7","7","2","5","3","5","1") = "6"
    & skf21("3","7","7","2","5","3","6","1") = "6"
    & skf21("3","7","7","2","5","3","7","1") = "6"
    & skf21("3","7","7","2","5","4","1","1") = "6"
    & skf21("3","7","7","2","5","4","2","1") = "6"
    & skf21("3","7","7","2","5","4","3","1") = "6"
    & skf21("3","7","7","2","5","4","4","1") = "6"
    & skf21("3","7","7","2","5","4","5","1") = "6"
    & skf21("3","7","7","2","5","4","6","1") = "6"
    & skf21("3","7","7","2","5","4","7","1") = "6"
    & skf21("3","7","7","2","5","5","1","1") = "6"
    & skf21("3","7","7","2","5","5","2","1") = "6"
    & skf21("3","7","7","2","5","5","3","1") = "6"
    & skf21("3","7","7","2","5","5","4","1") = "6"
    & skf21("3","7","7","2","5","5","5","1") = "6"
    & skf21("3","7","7","2","5","5","6","1") = "6"
    & skf21("3","7","7","2","5","5","7","1") = "6"
    & skf21("3","7","7","2","5","6","1","1") = "6"
    & skf21("3","7","7","2","5","6","2","1") = "6"
    & skf21("3","7","7","2","5","6","3","1") = "6"
    & skf21("3","7","7","2","5","6","4","1") = "6"
    & skf21("3","7","7","2","5","6","5","1") = "6"
    & skf21("3","7","7","2","5","6","6","1") = "6"
    & skf21("3","7","7","2","5","6","7","1") = "6"
    & skf21("3","7","7","2","5","7","1","1") = "6"
    & skf21("3","7","7","2","5","7","2","1") = "6"
    & skf21("3","7","7","2","5","7","3","1") = "6"
    & skf21("3","7","7","2","5","7","4","1") = "6"
    & skf21("3","7","7","2","5","7","5","1") = "6"
    & skf21("3","7","7","2","5","7","6","1") = "6"
    & skf21("3","7","7","2","5","7","7","1") = "6"
    & skf21("3","7","7","2","6","1","1","1") = "6"
    & skf21("3","7","7","2","6","1","2","1") = "6"
    & skf21("3","7","7","2","6","1","3","1") = "6"
    & skf21("3","7","7","2","6","1","4","1") = "6"
    & skf21("3","7","7","2","6","1","5","1") = "6"
    & skf21("3","7","7","2","6","1","6","1") = "6"
    & skf21("3","7","7","2","6","1","7","1") = "6"
    & skf21("3","7","7","2","6","2","1","1") = "6"
    & skf21("3","7","7","2","6","2","2","1") = "6"
    & skf21("3","7","7","2","6","2","3","1") = "6"
    & skf21("3","7","7","2","6","2","4","1") = "6"
    & skf21("3","7","7","2","6","2","5","1") = "6"
    & skf21("3","7","7","2","6","2","6","1") = "6"
    & skf21("3","7","7","2","6","2","7","1") = "6"
    & skf21("3","7","7","2","6","3","1","1") = "6"
    & skf21("3","7","7","2","6","3","2","1") = "6"
    & skf21("3","7","7","2","6","3","3","1") = "6"
    & skf21("3","7","7","2","6","3","4","1") = "6"
    & skf21("3","7","7","2","6","3","5","1") = "6"
    & skf21("3","7","7","2","6","3","6","1") = "6"
    & skf21("3","7","7","2","6","3","7","1") = "6"
    & skf21("3","7","7","2","6","4","1","1") = "6"
    & skf21("3","7","7","2","6","4","2","1") = "6"
    & skf21("3","7","7","2","6","4","3","1") = "6"
    & skf21("3","7","7","2","6","4","4","1") = "6"
    & skf21("3","7","7","2","6","4","5","1") = "6"
    & skf21("3","7","7","2","6","4","6","1") = "6"
    & skf21("3","7","7","2","6","4","7","1") = "6"
    & skf21("3","7","7","2","6","5","1","1") = "6"
    & skf21("3","7","7","2","6","5","2","1") = "6"
    & skf21("3","7","7","2","6","5","3","1") = "6"
    & skf21("3","7","7","2","6","5","4","1") = "6"
    & skf21("3","7","7","2","6","5","5","1") = "6"
    & skf21("3","7","7","2","6","5","6","1") = "6"
    & skf21("3","7","7","2","6","5","7","1") = "6"
    & skf21("3","7","7","2","6","6","1","1") = "6"
    & skf21("3","7","7","2","6","6","2","1") = "6"
    & skf21("3","7","7","2","6","6","3","1") = "6"
    & skf21("3","7","7","2","6","6","4","1") = "6"
    & skf21("3","7","7","2","6","6","5","1") = "6"
    & skf21("3","7","7","2","6","6","6","1") = "6"
    & skf21("3","7","7","2","6","6","7","1") = "6"
    & skf21("3","7","7","2","6","7","1","1") = "6"
    & skf21("3","7","7","2","6","7","2","1") = "6"
    & skf21("3","7","7","2","6","7","3","1") = "6"
    & skf21("3","7","7","2","6","7","4","1") = "6"
    & skf21("3","7","7","2","6","7","5","1") = "6"
    & skf21("3","7","7","2","6","7","6","1") = "6"
    & skf21("3","7","7","2","6","7","7","1") = "6"
    & skf21("3","7","7","2","7","1","1","1") = "6"
    & skf21("3","7","7","2","7","1","2","1") = "6"
    & skf21("3","7","7","2","7","1","3","1") = "6"
    & skf21("3","7","7","2","7","1","4","1") = "6"
    & skf21("3","7","7","2","7","1","5","1") = "6"
    & skf21("3","7","7","2","7","1","6","1") = "6"
    & skf21("3","7","7","2","7","1","7","1") = "6"
    & skf21("3","7","7","2","7","2","1","1") = "6"
    & skf21("3","7","7","2","7","2","2","1") = "6"
    & skf21("3","7","7","2","7","2","3","1") = "6"
    & skf21("3","7","7","2","7","2","4","1") = "6"
    & skf21("3","7","7","2","7","2","5","1") = "6"
    & skf21("3","7","7","2","7","2","6","1") = "6"
    & skf21("3","7","7","2","7","2","7","1") = "6"
    & skf21("3","7","7","2","7","3","1","1") = "6"
    & skf21("3","7","7","2","7","3","2","1") = "6"
    & skf21("3","7","7","2","7","3","3","1") = "6"
    & skf21("3","7","7","2","7","3","4","1") = "6"
    & skf21("3","7","7","2","7","3","5","1") = "6"
    & skf21("3","7","7","2","7","3","6","1") = "6"
    & skf21("3","7","7","2","7","3","7","1") = "6"
    & skf21("3","7","7","2","7","4","1","1") = "6"
    & skf21("3","7","7","2","7","4","2","1") = "6"
    & skf21("3","7","7","2","7","4","3","1") = "6"
    & skf21("3","7","7","2","7","4","4","1") = "6"
    & skf21("3","7","7","2","7","4","5","1") = "6"
    & skf21("3","7","7","2","7","4","6","1") = "6"
    & skf21("3","7","7","2","7","4","7","1") = "6"
    & skf21("3","7","7","2","7","5","1","1") = "6"
    & skf21("3","7","7","2","7","5","2","1") = "6"
    & skf21("3","7","7","2","7","5","3","1") = "6"
    & skf21("3","7","7","2","7","5","4","1") = "6"
    & skf21("3","7","7","2","7","5","5","1") = "6"
    & skf21("3","7","7","2","7","5","6","1") = "6"
    & skf21("3","7","7","2","7","5","7","1") = "6"
    & skf21("3","7","7","2","7","6","1","1") = "6"
    & skf21("3","7","7","2","7","6","2","1") = "6"
    & skf21("3","7","7","2","7","6","3","1") = "6"
    & skf21("3","7","7","2","7","6","4","1") = "6"
    & skf21("3","7","7","2","7","6","5","1") = "6"
    & skf21("3","7","7","2","7","6","6","1") = "6"
    & skf21("3","7","7","2","7","6","7","1") = "6"
    & skf21("3","7","7","2","7","7","1","1") = "6"
    & skf21("3","7","7","2","7","7","2","1") = "6"
    & skf21("3","7","7","2","7","7","3","1") = "6"
    & skf21("3","7","7","2","7","7","4","1") = "6"
    & skf21("3","7","7","2","7","7","5","1") = "6"
    & skf21("3","7","7","2","7","7","6","1") = "6"
    & skf21("3","7","7","2","7","7","7","1") = "6"
    & skf21("3","7","7","3","1","1","1","1") = "6"
    & skf21("3","7","7","3","1","1","2","1") = "6"
    & skf21("3","7","7","3","1","1","3","1") = "6"
    & skf21("3","7","7","3","1","1","4","1") = "6"
    & skf21("3","7","7","3","1","1","5","1") = "6"
    & skf21("3","7","7","3","1","1","6","1") = "6"
    & skf21("3","7","7","3","1","1","7","1") = "6"
    & skf21("3","7","7","3","1","2","1","1") = "6"
    & skf21("3","7","7","3","1","2","2","1") = "6"
    & skf21("3","7","7","3","1","2","3","1") = "6"
    & skf21("3","7","7","3","1","2","4","1") = "6"
    & skf21("3","7","7","3","1","2","5","1") = "6"
    & skf21("3","7","7","3","1","2","6","1") = "6"
    & skf21("3","7","7","3","1","2","7","1") = "6"
    & skf21("3","7","7","3","1","3","1","1") = "6"
    & skf21("3","7","7","3","1","3","2","1") = "6"
    & skf21("3","7","7","3","1","3","3","1") = "6"
    & skf21("3","7","7","3","1","3","4","1") = "6"
    & skf21("3","7","7","3","1","3","5","1") = "6"
    & skf21("3","7","7","3","1","3","6","1") = "6"
    & skf21("3","7","7","3","1","3","7","1") = "6"
    & skf21("3","7","7","3","1","4","1","1") = "6"
    & skf21("3","7","7","3","1","4","2","1") = "6"
    & skf21("3","7","7","3","1","4","3","1") = "6"
    & skf21("3","7","7","3","1","4","4","1") = "6"
    & skf21("3","7","7","3","1","4","5","1") = "6"
    & skf21("3","7","7","3","1","4","6","1") = "6"
    & skf21("3","7","7","3","1","4","7","1") = "6"
    & skf21("3","7","7","3","1","5","1","1") = "6"
    & skf21("3","7","7","3","1","5","2","1") = "6"
    & skf21("3","7","7","3","1","5","3","1") = "6"
    & skf21("3","7","7","3","1","5","4","1") = "6"
    & skf21("3","7","7","3","1","5","5","1") = "6"
    & skf21("3","7","7","3","1","5","6","1") = "6"
    & skf21("3","7","7","3","1","5","7","1") = "6"
    & skf21("3","7","7","3","1","6","1","1") = "6"
    & skf21("3","7","7","3","1","6","2","1") = "6"
    & skf21("3","7","7","3","1","6","3","1") = "6"
    & skf21("3","7","7","3","1","6","4","1") = "6"
    & skf21("3","7","7","3","1","6","5","1") = "6"
    & skf21("3","7","7","3","1","6","6","1") = "6"
    & skf21("3","7","7","3","1","6","7","1") = "6"
    & skf21("3","7","7","3","1","7","1","1") = "6"
    & skf21("3","7","7","3","1","7","2","1") = "6"
    & skf21("3","7","7","3","1","7","3","1") = "6"
    & skf21("3","7","7","3","1","7","4","1") = "6"
    & skf21("3","7","7","3","1","7","5","1") = "6"
    & skf21("3","7","7","3","1","7","6","1") = "6"
    & skf21("3","7","7","3","1","7","7","1") = "6"
    & skf21("3","7","7","3","2","1","1","1") = "6"
    & skf21("3","7","7","3","2","1","2","1") = "6"
    & skf21("3","7","7","3","2","1","3","1") = "6"
    & skf21("3","7","7","3","2","1","4","1") = "6"
    & skf21("3","7","7","3","2","1","5","1") = "6"
    & skf21("3","7","7","3","2","1","6","1") = "6"
    & skf21("3","7","7","3","2","1","7","1") = "6"
    & skf21("3","7","7","3","2","2","1","1") = "6"
    & skf21("3","7","7","3","2","2","2","1") = "6"
    & skf21("3","7","7","3","2","2","3","1") = "6"
    & skf21("3","7","7","3","2","2","4","1") = "6"
    & skf21("3","7","7","3","2","2","5","1") = "6"
    & skf21("3","7","7","3","2","2","6","1") = "6"
    & skf21("3","7","7","3","2","2","7","1") = "6"
    & skf21("3","7","7","3","2","3","1","1") = "6"
    & skf21("3","7","7","3","2","3","2","1") = "6"
    & skf21("3","7","7","3","2","3","3","1") = "6"
    & skf21("3","7","7","3","2","3","4","1") = "6"
    & skf21("3","7","7","3","2","3","5","1") = "6"
    & skf21("3","7","7","3","2","3","6","1") = "6"
    & skf21("3","7","7","3","2","3","7","1") = "6"
    & skf21("3","7","7","3","2","4","1","1") = "6"
    & skf21("3","7","7","3","2","4","2","1") = "6"
    & skf21("3","7","7","3","2","4","3","1") = "6"
    & skf21("3","7","7","3","2","4","4","1") = "6"
    & skf21("3","7","7","3","2","4","5","1") = "6"
    & skf21("3","7","7","3","2","4","6","1") = "6"
    & skf21("3","7","7","3","2","4","7","1") = "6"
    & skf21("3","7","7","3","2","5","1","1") = "6"
    & skf21("3","7","7","3","2","5","2","1") = "6"
    & skf21("3","7","7","3","2","5","3","1") = "6"
    & skf21("3","7","7","3","2","5","4","1") = "6"
    & skf21("3","7","7","3","2","5","5","1") = "6"
    & skf21("3","7","7","3","2","5","6","1") = "6"
    & skf21("3","7","7","3","2","5","7","1") = "6"
    & skf21("3","7","7","3","2","6","1","1") = "6"
    & skf21("3","7","7","3","2","6","2","1") = "6"
    & skf21("3","7","7","3","2","6","3","1") = "6"
    & skf21("3","7","7","3","2","6","4","1") = "6"
    & skf21("3","7","7","3","2","6","5","1") = "6"
    & skf21("3","7","7","3","2","6","6","1") = "6"
    & skf21("3","7","7","3","2","6","7","1") = "6"
    & skf21("3","7","7","3","2","7","1","1") = "6"
    & skf21("3","7","7","3","2","7","2","1") = "6"
    & skf21("3","7","7","3","2","7","3","1") = "6"
    & skf21("3","7","7","3","2","7","4","1") = "6"
    & skf21("3","7","7","3","2","7","5","1") = "6"
    & skf21("3","7","7","3","2","7","6","1") = "6"
    & skf21("3","7","7","3","2","7","7","1") = "6"
    & skf21("3","7","7","3","3","1","1","1") = "6"
    & skf21("3","7","7","3","3","1","2","1") = "6"
    & skf21("3","7","7","3","3","1","3","1") = "6"
    & skf21("3","7","7","3","3","1","4","1") = "6"
    & skf21("3","7","7","3","3","1","5","1") = "6"
    & skf21("3","7","7","3","3","1","6","1") = "6"
    & skf21("3","7","7","3","3","1","7","1") = "6"
    & skf21("3","7","7","3","3","2","1","1") = "6"
    & skf21("3","7","7","3","3","2","2","1") = "6"
    & skf21("3","7","7","3","3","2","3","1") = "6"
    & skf21("3","7","7","3","3","2","4","1") = "6"
    & skf21("3","7","7","3","3","2","5","1") = "6"
    & skf21("3","7","7","3","3","2","6","1") = "6"
    & skf21("3","7","7","3","3","2","7","1") = "6"
    & skf21("3","7","7","3","3","3","1","1") = "6"
    & skf21("3","7","7","3","3","3","2","1") = "6"
    & skf21("3","7","7","3","3","3","3","1") = "6"
    & skf21("3","7","7","3","3","3","4","1") = "6"
    & skf21("3","7","7","3","3","3","5","1") = "6"
    & skf21("3","7","7","3","3","3","6","1") = "6"
    & skf21("3","7","7","3","3","3","7","1") = "6"
    & skf21("3","7","7","3","3","4","1","1") = "6"
    & skf21("3","7","7","3","3","4","2","1") = "6"
    & skf21("3","7","7","3","3","4","3","1") = "6"
    & skf21("3","7","7","3","3","4","4","1") = "6"
    & skf21("3","7","7","3","3","4","5","1") = "6"
    & skf21("3","7","7","3","3","4","6","1") = "6"
    & skf21("3","7","7","3","3","4","7","1") = "6"
    & skf21("3","7","7","3","3","5","1","1") = "6"
    & skf21("3","7","7","3","3","5","2","1") = "6"
    & skf21("3","7","7","3","3","5","3","1") = "6"
    & skf21("3","7","7","3","3","5","4","1") = "6"
    & skf21("3","7","7","3","3","5","5","1") = "6"
    & skf21("3","7","7","3","3","5","6","1") = "6"
    & skf21("3","7","7","3","3","5","7","1") = "6"
    & skf21("3","7","7","3","3","6","1","1") = "6"
    & skf21("3","7","7","3","3","6","2","1") = "6"
    & skf21("3","7","7","3","3","6","3","1") = "6"
    & skf21("3","7","7","3","3","6","4","1") = "6"
    & skf21("3","7","7","3","3","6","5","1") = "6"
    & skf21("3","7","7","3","3","6","6","1") = "6"
    & skf21("3","7","7","3","3","6","7","1") = "6"
    & skf21("3","7","7","3","3","7","1","1") = "6"
    & skf21("3","7","7","3","3","7","2","1") = "6"
    & skf21("3","7","7","3","3","7","3","1") = "6"
    & skf21("3","7","7","3","3","7","4","1") = "6"
    & skf21("3","7","7","3","3","7","5","1") = "6"
    & skf21("3","7","7","3","3","7","6","1") = "6"
    & skf21("3","7","7","3","3","7","7","1") = "6"
    & skf21("3","7","7","3","4","1","1","1") = "6"
    & skf21("3","7","7","3","4","1","2","1") = "6"
    & skf21("3","7","7","3","4","1","3","1") = "6"
    & skf21("3","7","7","3","4","1","4","1") = "6"
    & skf21("3","7","7","3","4","1","5","1") = "6"
    & skf21("3","7","7","3","4","1","6","1") = "6"
    & skf21("3","7","7","3","4","1","7","1") = "6"
    & skf21("3","7","7","3","4","2","1","1") = "6"
    & skf21("3","7","7","3","4","2","2","1") = "6"
    & skf21("3","7","7","3","4","2","3","1") = "6"
    & skf21("3","7","7","3","4","2","4","1") = "6"
    & skf21("3","7","7","3","4","2","5","1") = "6"
    & skf21("3","7","7","3","4","2","6","1") = "6"
    & skf21("3","7","7","3","4","2","7","1") = "6"
    & skf21("3","7","7","3","4","3","1","1") = "6"
    & skf21("3","7","7","3","4","3","2","1") = "6"
    & skf21("3","7","7","3","4","3","3","1") = "6"
    & skf21("3","7","7","3","4","3","4","1") = "6"
    & skf21("3","7","7","3","4","3","5","1") = "6"
    & skf21("3","7","7","3","4","3","6","1") = "6"
    & skf21("3","7","7","3","4","3","7","1") = "6"
    & skf21("3","7","7","3","4","4","1","1") = "6"
    & skf21("3","7","7","3","4","4","2","1") = "6"
    & skf21("3","7","7","3","4","4","3","1") = "6"
    & skf21("3","7","7","3","4","4","4","1") = "6"
    & skf21("3","7","7","3","4","4","5","1") = "6"
    & skf21("3","7","7","3","4","4","6","1") = "6"
    & skf21("3","7","7","3","4","4","7","1") = "6"
    & skf21("3","7","7","3","4","5","1","1") = "6"
    & skf21("3","7","7","3","4","5","2","1") = "6"
    & skf21("3","7","7","3","4","5","3","1") = "6"
    & skf21("3","7","7","3","4","5","4","1") = "6"
    & skf21("3","7","7","3","4","5","5","1") = "6"
    & skf21("3","7","7","3","4","5","6","1") = "6"
    & skf21("3","7","7","3","4","5","7","1") = "6"
    & skf21("3","7","7","3","4","6","1","1") = "6"
    & skf21("3","7","7","3","4","6","2","1") = "6"
    & skf21("3","7","7","3","4","6","3","1") = "6"
    & skf21("3","7","7","3","4","6","4","1") = "6"
    & skf21("3","7","7","3","4","6","5","1") = "6"
    & skf21("3","7","7","3","4","6","6","1") = "6"
    & skf21("3","7","7","3","4","6","7","1") = "6"
    & skf21("3","7","7","3","4","7","1","1") = "6"
    & skf21("3","7","7","3","4","7","2","1") = "6"
    & skf21("3","7","7","3","4","7","3","1") = "6"
    & skf21("3","7","7","3","4","7","4","1") = "6"
    & skf21("3","7","7","3","4","7","5","1") = "6"
    & skf21("3","7","7","3","4","7","6","1") = "6"
    & skf21("3","7","7","3","4","7","7","1") = "6"
    & skf21("3","7","7","3","5","1","1","1") = "6"
    & skf21("3","7","7","3","5","1","2","1") = "6"
    & skf21("3","7","7","3","5","1","3","1") = "6"
    & skf21("3","7","7","3","5","1","4","1") = "6"
    & skf21("3","7","7","3","5","1","5","1") = "6"
    & skf21("3","7","7","3","5","1","6","1") = "6"
    & skf21("3","7","7","3","5","1","7","1") = "6"
    & skf21("3","7","7","3","5","2","1","1") = "6"
    & skf21("3","7","7","3","5","2","2","1") = "6"
    & skf21("3","7","7","3","5","2","3","1") = "6"
    & skf21("3","7","7","3","5","2","4","1") = "6"
    & skf21("3","7","7","3","5","2","5","1") = "6"
    & skf21("3","7","7","3","5","2","6","1") = "6"
    & skf21("3","7","7","3","5","2","7","1") = "6"
    & skf21("3","7","7","3","5","3","1","1") = "6"
    & skf21("3","7","7","3","5","3","2","1") = "6"
    & skf21("3","7","7","3","5","3","3","1") = "6"
    & skf21("3","7","7","3","5","3","4","1") = "6"
    & skf21("3","7","7","3","5","3","5","1") = "6"
    & skf21("3","7","7","3","5","3","6","1") = "6"
    & skf21("3","7","7","3","5","3","7","1") = "6"
    & skf21("3","7","7","3","5","4","1","1") = "6"
    & skf21("3","7","7","3","5","4","2","1") = "6"
    & skf21("3","7","7","3","5","4","3","1") = "6"
    & skf21("3","7","7","3","5","4","4","1") = "6"
    & skf21("3","7","7","3","5","4","5","1") = "6"
    & skf21("3","7","7","3","5","4","6","1") = "6"
    & skf21("3","7","7","3","5","4","7","1") = "6"
    & skf21("3","7","7","3","5","5","1","1") = "6"
    & skf21("3","7","7","3","5","5","2","1") = "6"
    & skf21("3","7","7","3","5","5","3","1") = "6"
    & skf21("3","7","7","3","5","5","4","1") = "6"
    & skf21("3","7","7","3","5","5","5","1") = "6"
    & skf21("3","7","7","3","5","5","6","1") = "6"
    & skf21("3","7","7","3","5","5","7","1") = "6"
    & skf21("3","7","7","3","5","6","1","1") = "6"
    & skf21("3","7","7","3","5","6","2","1") = "6"
    & skf21("3","7","7","3","5","6","3","1") = "6"
    & skf21("3","7","7","3","5","6","4","1") = "6"
    & skf21("3","7","7","3","5","6","5","1") = "6"
    & skf21("3","7","7","3","5","6","6","1") = "6"
    & skf21("3","7","7","3","5","6","7","1") = "6"
    & skf21("3","7","7","3","5","7","1","1") = "6"
    & skf21("3","7","7","3","5","7","2","1") = "6"
    & skf21("3","7","7","3","5","7","3","1") = "6"
    & skf21("3","7","7","3","5","7","4","1") = "6"
    & skf21("3","7","7","3","5","7","5","1") = "6"
    & skf21("3","7","7","3","5","7","6","1") = "6"
    & skf21("3","7","7","3","5","7","7","1") = "6"
    & skf21("3","7","7","3","6","1","1","1") = "6"
    & skf21("3","7","7","3","6","1","2","1") = "6"
    & skf21("3","7","7","3","6","1","3","1") = "6"
    & skf21("3","7","7","3","6","1","4","1") = "6"
    & skf21("3","7","7","3","6","1","5","1") = "6"
    & skf21("3","7","7","3","6","1","6","1") = "6"
    & skf21("3","7","7","3","6","1","7","1") = "6"
    & skf21("3","7","7","3","6","2","1","1") = "6"
    & skf21("3","7","7","3","6","2","2","1") = "6"
    & skf21("3","7","7","3","6","2","3","1") = "6"
    & skf21("3","7","7","3","6","2","4","1") = "6"
    & skf21("3","7","7","3","6","2","5","1") = "6"
    & skf21("3","7","7","3","6","2","6","1") = "6"
    & skf21("3","7","7","3","6","2","7","1") = "6"
    & skf21("3","7","7","3","6","3","1","1") = "6"
    & skf21("3","7","7","3","6","3","2","1") = "6"
    & skf21("3","7","7","3","6","3","3","1") = "6"
    & skf21("3","7","7","3","6","3","4","1") = "6"
    & skf21("3","7","7","3","6","3","5","1") = "6"
    & skf21("3","7","7","3","6","3","6","1") = "6"
    & skf21("3","7","7","3","6","3","7","1") = "6"
    & skf21("3","7","7","3","6","4","1","1") = "6"
    & skf21("3","7","7","3","6","4","2","1") = "6"
    & skf21("3","7","7","3","6","4","3","1") = "6"
    & skf21("3","7","7","3","6","4","4","1") = "6"
    & skf21("3","7","7","3","6","4","5","1") = "6"
    & skf21("3","7","7","3","6","4","6","1") = "6"
    & skf21("3","7","7","3","6","4","7","1") = "6"
    & skf21("3","7","7","3","6","5","1","1") = "6"
    & skf21("3","7","7","3","6","5","2","1") = "6"
    & skf21("3","7","7","3","6","5","3","1") = "6"
    & skf21("3","7","7","3","6","5","4","1") = "6"
    & skf21("3","7","7","3","6","5","5","1") = "6"
    & skf21("3","7","7","3","6","5","6","1") = "6"
    & skf21("3","7","7","3","6","5","7","1") = "6"
    & skf21("3","7","7","3","6","6","1","1") = "6"
    & skf21("3","7","7","3","6","6","2","1") = "6"
    & skf21("3","7","7","3","6","6","3","1") = "6"
    & skf21("3","7","7","3","6","6","4","1") = "6"
    & skf21("3","7","7","3","6","6","5","1") = "6"
    & skf21("3","7","7","3","6","6","6","1") = "6"
    & skf21("3","7","7","3","6","6","7","1") = "6"
    & skf21("3","7","7","3","6","7","1","1") = "6"
    & skf21("3","7","7","3","6","7","2","1") = "6"
    & skf21("3","7","7","3","6","7","3","1") = "6"
    & skf21("3","7","7","3","6","7","4","1") = "6"
    & skf21("3","7","7","3","6","7","5","1") = "6"
    & skf21("3","7","7","3","6","7","6","1") = "6"
    & skf21("3","7","7","3","6","7","7","1") = "6"
    & skf21("3","7","7","3","7","1","1","1") = "6"
    & skf21("3","7","7","3","7","1","2","1") = "6"
    & skf21("3","7","7","3","7","1","3","1") = "6"
    & skf21("3","7","7","3","7","1","4","1") = "6"
    & skf21("3","7","7","3","7","1","5","1") = "6"
    & skf21("3","7","7","3","7","1","6","1") = "6"
    & skf21("3","7","7","3","7","1","7","1") = "6"
    & skf21("3","7","7","3","7","2","1","1") = "6"
    & skf21("3","7","7","3","7","2","2","1") = "6"
    & skf21("3","7","7","3","7","2","3","1") = "6"
    & skf21("3","7","7","3","7","2","4","1") = "6"
    & skf21("3","7","7","3","7","2","5","1") = "6"
    & skf21("3","7","7","3","7","2","6","1") = "6"
    & skf21("3","7","7","3","7","2","7","1") = "6"
    & skf21("3","7","7","3","7","3","1","1") = "6"
    & skf21("3","7","7","3","7","3","2","1") = "6"
    & skf21("3","7","7","3","7","3","3","1") = "6"
    & skf21("3","7","7","3","7","3","4","1") = "6"
    & skf21("3","7","7","3","7","3","5","1") = "6"
    & skf21("3","7","7","3","7","3","6","1") = "6"
    & skf21("3","7","7","3","7","3","7","1") = "6"
    & skf21("3","7","7","3","7","4","1","1") = "6"
    & skf21("3","7","7","3","7","4","2","1") = "6"
    & skf21("3","7","7","3","7","4","3","1") = "6"
    & skf21("3","7","7","3","7","4","4","1") = "6"
    & skf21("3","7","7","3","7","4","5","1") = "6"
    & skf21("3","7","7","3","7","4","6","1") = "6"
    & skf21("3","7","7","3","7","4","7","1") = "6"
    & skf21("3","7","7","3","7","5","1","1") = "6"
    & skf21("3","7","7","3","7","5","2","1") = "6"
    & skf21("3","7","7","3","7","5","3","1") = "6"
    & skf21("3","7","7","3","7","5","4","1") = "6"
    & skf21("3","7","7","3","7","5","5","1") = "6"
    & skf21("3","7","7","3","7","5","6","1") = "6"
    & skf21("3","7","7","3","7","5","7","1") = "6"
    & skf21("3","7","7","3","7","6","1","1") = "6"
    & skf21("3","7","7","3","7","6","2","1") = "6"
    & skf21("3","7","7","3","7","6","3","1") = "6"
    & skf21("3","7","7","3","7","6","4","1") = "6"
    & skf21("3","7","7","3","7","6","5","1") = "6"
    & skf21("3","7","7","3","7","6","6","1") = "6"
    & skf21("3","7","7","3","7","6","7","1") = "6"
    & skf21("3","7","7","3","7","7","1","1") = "6"
    & skf21("3","7","7","3","7","7","2","1") = "6"
    & skf21("3","7","7","3","7","7","3","1") = "6"
    & skf21("3","7","7","3","7","7","4","1") = "6"
    & skf21("3","7","7","3","7","7","5","1") = "6"
    & skf21("3","7","7","3","7","7","6","1") = "6"
    & skf21("3","7","7","3","7","7","7","1") = "6"
    & skf21("3","7","7","4","1","1","1","1") = "6"
    & skf21("3","7","7","4","1","1","2","1") = "6"
    & skf21("3","7","7","4","1","1","3","1") = "6"
    & skf21("3","7","7","4","1","1","4","1") = "6"
    & skf21("3","7","7","4","1","1","5","1") = "6"
    & skf21("3","7","7","4","1","1","6","1") = "6"
    & skf21("3","7","7","4","1","1","7","1") = "6"
    & skf21("3","7","7","4","1","2","1","1") = "6"
    & skf21("3","7","7","4","1","2","2","1") = "6"
    & skf21("3","7","7","4","1","2","3","1") = "6"
    & skf21("3","7","7","4","1","2","4","1") = "6"
    & skf21("3","7","7","4","1","2","5","1") = "6"
    & skf21("3","7","7","4","1","2","6","1") = "6"
    & skf21("3","7","7","4","1","2","7","1") = "6"
    & skf21("3","7","7","4","1","3","1","1") = "6"
    & skf21("3","7","7","4","1","3","2","1") = "6"
    & skf21("3","7","7","4","1","3","3","1") = "6"
    & skf21("3","7","7","4","1","3","4","1") = "6"
    & skf21("3","7","7","4","1","3","5","1") = "6"
    & skf21("3","7","7","4","1","3","6","1") = "6"
    & skf21("3","7","7","4","1","3","7","1") = "6"
    & skf21("3","7","7","4","1","4","1","1") = "6"
    & skf21("3","7","7","4","1","4","2","1") = "6"
    & skf21("3","7","7","4","1","4","3","1") = "6"
    & skf21("3","7","7","4","1","4","4","1") = "6"
    & skf21("3","7","7","4","1","4","5","1") = "6"
    & skf21("3","7","7","4","1","4","6","1") = "6"
    & skf21("3","7","7","4","1","4","7","1") = "6"
    & skf21("3","7","7","4","1","5","1","1") = "6"
    & skf21("3","7","7","4","1","5","2","1") = "6"
    & skf21("3","7","7","4","1","5","3","1") = "6"
    & skf21("3","7","7","4","1","5","4","1") = "6"
    & skf21("3","7","7","4","1","5","5","1") = "6"
    & skf21("3","7","7","4","1","5","6","1") = "6"
    & skf21("3","7","7","4","1","5","7","1") = "6"
    & skf21("3","7","7","4","1","6","1","1") = "6"
    & skf21("3","7","7","4","1","6","2","1") = "6"
    & skf21("3","7","7","4","1","6","3","1") = "6"
    & skf21("3","7","7","4","1","6","4","1") = "6"
    & skf21("3","7","7","4","1","6","5","1") = "6"
    & skf21("3","7","7","4","1","6","6","1") = "6"
    & skf21("3","7","7","4","1","6","7","1") = "6"
    & skf21("3","7","7","4","1","7","1","1") = "6"
    & skf21("3","7","7","4","1","7","2","1") = "6"
    & skf21("3","7","7","4","1","7","3","1") = "6"
    & skf21("3","7","7","4","1","7","4","1") = "6"
    & skf21("3","7","7","4","1","7","5","1") = "6"
    & skf21("3","7","7","4","1","7","6","1") = "6"
    & skf21("3","7","7","4","1","7","7","1") = "6"
    & skf21("3","7","7","4","2","1","1","1") = "6"
    & skf21("3","7","7","4","2","1","2","1") = "6"
    & skf21("3","7","7","4","2","1","3","1") = "6"
    & skf21("3","7","7","4","2","1","4","1") = "6"
    & skf21("3","7","7","4","2","1","5","1") = "6"
    & skf21("3","7","7","4","2","1","6","1") = "6"
    & skf21("3","7","7","4","2","1","7","1") = "6"
    & skf21("3","7","7","4","2","2","1","1") = "6"
    & skf21("3","7","7","4","2","2","2","1") = "6"
    & skf21("3","7","7","4","2","2","3","1") = "6"
    & skf21("3","7","7","4","2","2","4","1") = "6"
    & skf21("3","7","7","4","2","2","5","1") = "6"
    & skf21("3","7","7","4","2","2","6","1") = "6"
    & skf21("3","7","7","4","2","2","7","1") = "6"
    & skf21("3","7","7","4","2","3","1","1") = "6"
    & skf21("3","7","7","4","2","3","2","1") = "6"
    & skf21("3","7","7","4","2","3","3","1") = "6"
    & skf21("3","7","7","4","2","3","4","1") = "6"
    & skf21("3","7","7","4","2","3","5","1") = "6"
    & skf21("3","7","7","4","2","3","6","1") = "6"
    & skf21("3","7","7","4","2","3","7","1") = "6"
    & skf21("3","7","7","4","2","4","1","1") = "6"
    & skf21("3","7","7","4","2","4","2","1") = "6"
    & skf21("3","7","7","4","2","4","3","1") = "6"
    & skf21("3","7","7","4","2","4","4","1") = "6"
    & skf21("3","7","7","4","2","4","5","1") = "6"
    & skf21("3","7","7","4","2","4","6","1") = "6"
    & skf21("3","7","7","4","2","4","7","1") = "6"
    & skf21("3","7","7","4","2","5","1","1") = "6"
    & skf21("3","7","7","4","2","5","2","1") = "6"
    & skf21("3","7","7","4","2","5","3","1") = "6"
    & skf21("3","7","7","4","2","5","4","1") = "6"
    & skf21("3","7","7","4","2","5","5","1") = "6"
    & skf21("3","7","7","4","2","5","6","1") = "6"
    & skf21("3","7","7","4","2","5","7","1") = "6"
    & skf21("3","7","7","4","2","6","1","1") = "6"
    & skf21("3","7","7","4","2","6","2","1") = "6"
    & skf21("3","7","7","4","2","6","3","1") = "6"
    & skf21("3","7","7","4","2","6","4","1") = "6"
    & skf21("3","7","7","4","2","6","5","1") = "6"
    & skf21("3","7","7","4","2","6","6","1") = "6"
    & skf21("3","7","7","4","2","6","7","1") = "6"
    & skf21("3","7","7","4","2","7","1","1") = "6"
    & skf21("3","7","7","4","2","7","2","1") = "6"
    & skf21("3","7","7","4","2","7","3","1") = "6"
    & skf21("3","7","7","4","2","7","4","1") = "6"
    & skf21("3","7","7","4","2","7","5","1") = "6"
    & skf21("3","7","7","4","2","7","6","1") = "6"
    & skf21("3","7","7","4","2","7","7","1") = "6"
    & skf21("3","7","7","4","3","1","1","1") = "6"
    & skf21("3","7","7","4","3","1","2","1") = "6"
    & skf21("3","7","7","4","3","1","3","1") = "6"
    & skf21("3","7","7","4","3","1","4","1") = "6"
    & skf21("3","7","7","4","3","1","5","1") = "6"
    & skf21("3","7","7","4","3","1","6","1") = "6"
    & skf21("3","7","7","4","3","1","7","1") = "6"
    & skf21("3","7","7","4","3","2","1","1") = "6"
    & skf21("3","7","7","4","3","2","2","1") = "6"
    & skf21("3","7","7","4","3","2","3","1") = "6"
    & skf21("3","7","7","4","3","2","4","1") = "6"
    & skf21("3","7","7","4","3","2","5","1") = "6"
    & skf21("3","7","7","4","3","2","6","1") = "6"
    & skf21("3","7","7","4","3","2","7","1") = "6"
    & skf21("3","7","7","4","3","3","1","1") = "6"
    & skf21("3","7","7","4","3","3","2","1") = "6"
    & skf21("3","7","7","4","3","3","3","1") = "6"
    & skf21("3","7","7","4","3","3","4","1") = "6"
    & skf21("3","7","7","4","3","3","5","1") = "6"
    & skf21("3","7","7","4","3","3","6","1") = "6"
    & skf21("3","7","7","4","3","3","7","1") = "6"
    & skf21("3","7","7","4","3","4","1","1") = "6"
    & skf21("3","7","7","4","3","4","2","1") = "6"
    & skf21("3","7","7","4","3","4","3","1") = "6"
    & skf21("3","7","7","4","3","4","4","1") = "6"
    & skf21("3","7","7","4","3","4","5","1") = "6"
    & skf21("3","7","7","4","3","4","6","1") = "6"
    & skf21("3","7","7","4","3","4","7","1") = "6"
    & skf21("3","7","7","4","3","5","1","1") = "6"
    & skf21("3","7","7","4","3","5","2","1") = "6"
    & skf21("3","7","7","4","3","5","3","1") = "6"
    & skf21("3","7","7","4","3","5","4","1") = "6"
    & skf21("3","7","7","4","3","5","5","1") = "6"
    & skf21("3","7","7","4","3","5","6","1") = "6"
    & skf21("3","7","7","4","3","5","7","1") = "6"
    & skf21("3","7","7","4","3","6","1","1") = "6"
    & skf21("3","7","7","4","3","6","2","1") = "6"
    & skf21("3","7","7","4","3","6","3","1") = "6"
    & skf21("3","7","7","4","3","6","4","1") = "6"
    & skf21("3","7","7","4","3","6","5","1") = "6"
    & skf21("3","7","7","4","3","6","6","1") = "6"
    & skf21("3","7","7","4","3","6","7","1") = "6"
    & skf21("3","7","7","4","3","7","1","1") = "6"
    & skf21("3","7","7","4","3","7","2","1") = "6"
    & skf21("3","7","7","4","3","7","3","1") = "6"
    & skf21("3","7","7","4","3","7","4","1") = "6"
    & skf21("3","7","7","4","3","7","5","1") = "6"
    & skf21("3","7","7","4","3","7","6","1") = "6"
    & skf21("3","7","7","4","3","7","7","1") = "6"
    & skf21("3","7","7","4","4","1","1","1") = "6"
    & skf21("3","7","7","4","4","1","2","1") = "6"
    & skf21("3","7","7","4","4","1","3","1") = "6"
    & skf21("3","7","7","4","4","1","4","1") = "6"
    & skf21("3","7","7","4","4","1","5","1") = "6"
    & skf21("3","7","7","4","4","1","6","1") = "6"
    & skf21("3","7","7","4","4","1","7","1") = "6"
    & skf21("3","7","7","4","4","2","1","1") = "6"
    & skf21("3","7","7","4","4","2","2","1") = "6"
    & skf21("3","7","7","4","4","2","3","1") = "6"
    & skf21("3","7","7","4","4","2","4","1") = "6"
    & skf21("3","7","7","4","4","2","5","1") = "6"
    & skf21("3","7","7","4","4","2","6","1") = "6"
    & skf21("3","7","7","4","4","2","7","1") = "6"
    & skf21("3","7","7","4","4","3","1","1") = "6"
    & skf21("3","7","7","4","4","3","2","1") = "6"
    & skf21("3","7","7","4","4","3","3","1") = "6"
    & skf21("3","7","7","4","4","3","4","1") = "6"
    & skf21("3","7","7","4","4","3","5","1") = "6"
    & skf21("3","7","7","4","4","3","6","1") = "6"
    & skf21("3","7","7","4","4","3","7","1") = "6"
    & skf21("3","7","7","4","4","4","1","1") = "6"
    & skf21("3","7","7","4","4","4","2","1") = "6"
    & skf21("3","7","7","4","4","4","3","1") = "6"
    & skf21("3","7","7","4","4","4","4","1") = "6"
    & skf21("3","7","7","4","4","4","5","1") = "6"
    & skf21("3","7","7","4","4","4","6","1") = "6"
    & skf21("3","7","7","4","4","4","7","1") = "6"
    & skf21("3","7","7","4","4","5","1","1") = "6"
    & skf21("3","7","7","4","4","5","2","1") = "6"
    & skf21("3","7","7","4","4","5","3","1") = "6"
    & skf21("3","7","7","4","4","5","4","1") = "6"
    & skf21("3","7","7","4","4","5","5","1") = "6"
    & skf21("3","7","7","4","4","5","6","1") = "6"
    & skf21("3","7","7","4","4","5","7","1") = "6"
    & skf21("3","7","7","4","4","6","1","1") = "6"
    & skf21("3","7","7","4","4","6","2","1") = "6"
    & skf21("3","7","7","4","4","6","3","1") = "6"
    & skf21("3","7","7","4","4","6","4","1") = "6"
    & skf21("3","7","7","4","4","6","5","1") = "6"
    & skf21("3","7","7","4","4","6","6","1") = "6"
    & skf21("3","7","7","4","4","6","7","1") = "6"
    & skf21("3","7","7","4","4","7","1","1") = "6"
    & skf21("3","7","7","4","4","7","2","1") = "6"
    & skf21("3","7","7","4","4","7","3","1") = "6"
    & skf21("3","7","7","4","4","7","4","1") = "6"
    & skf21("3","7","7","4","4","7","5","1") = "6"
    & skf21("3","7","7","4","4","7","6","1") = "6"
    & skf21("3","7","7","4","4","7","7","1") = "6"
    & skf21("3","7","7","4","5","1","1","1") = "6"
    & skf21("3","7","7","4","5","1","2","1") = "6"
    & skf21("3","7","7","4","5","1","3","1") = "6"
    & skf21("3","7","7","4","5","1","4","1") = "6"
    & skf21("3","7","7","4","5","1","5","1") = "6"
    & skf21("3","7","7","4","5","1","6","1") = "6"
    & skf21("3","7","7","4","5","1","7","1") = "6"
    & skf21("3","7","7","4","5","2","1","1") = "6"
    & skf21("3","7","7","4","5","2","2","1") = "6"
    & skf21("3","7","7","4","5","2","3","1") = "6"
    & skf21("3","7","7","4","5","2","4","1") = "6"
    & skf21("3","7","7","4","5","2","5","1") = "6"
    & skf21("3","7","7","4","5","2","6","1") = "6"
    & skf21("3","7","7","4","5","2","7","1") = "6"
    & skf21("3","7","7","4","5","3","1","1") = "6"
    & skf21("3","7","7","4","5","3","2","1") = "6"
    & skf21("3","7","7","4","5","3","3","1") = "6"
    & skf21("3","7","7","4","5","3","4","1") = "6"
    & skf21("3","7","7","4","5","3","5","1") = "6"
    & skf21("3","7","7","4","5","3","6","1") = "6"
    & skf21("3","7","7","4","5","3","7","1") = "6"
    & skf21("3","7","7","4","5","4","1","1") = "6"
    & skf21("3","7","7","4","5","4","2","1") = "6"
    & skf21("3","7","7","4","5","4","3","1") = "6"
    & skf21("3","7","7","4","5","4","4","1") = "6"
    & skf21("3","7","7","4","5","4","5","1") = "6"
    & skf21("3","7","7","4","5","4","6","1") = "6"
    & skf21("3","7","7","4","5","4","7","1") = "6"
    & skf21("3","7","7","4","5","5","1","1") = "6"
    & skf21("3","7","7","4","5","5","2","1") = "6"
    & skf21("3","7","7","4","5","5","3","1") = "6"
    & skf21("3","7","7","4","5","5","4","1") = "6"
    & skf21("3","7","7","4","5","5","5","1") = "6"
    & skf21("3","7","7","4","5","5","6","1") = "6"
    & skf21("3","7","7","4","5","5","7","1") = "6"
    & skf21("3","7","7","4","5","6","1","1") = "6"
    & skf21("3","7","7","4","5","6","2","1") = "6"
    & skf21("3","7","7","4","5","6","3","1") = "6"
    & skf21("3","7","7","4","5","6","4","1") = "6"
    & skf21("3","7","7","4","5","6","5","1") = "6"
    & skf21("3","7","7","4","5","6","6","1") = "6"
    & skf21("3","7","7","4","5","6","7","1") = "6"
    & skf21("3","7","7","4","5","7","1","1") = "6"
    & skf21("3","7","7","4","5","7","2","1") = "6"
    & skf21("3","7","7","4","5","7","3","1") = "6"
    & skf21("3","7","7","4","5","7","4","1") = "6"
    & skf21("3","7","7","4","5","7","5","1") = "6"
    & skf21("3","7","7","4","5","7","6","1") = "6"
    & skf21("3","7","7","4","5","7","7","1") = "6"
    & skf21("3","7","7","4","6","1","1","1") = "6"
    & skf21("3","7","7","4","6","1","2","1") = "6"
    & skf21("3","7","7","4","6","1","3","1") = "6"
    & skf21("3","7","7","4","6","1","4","1") = "6"
    & skf21("3","7","7","4","6","1","5","1") = "6"
    & skf21("3","7","7","4","6","1","6","1") = "6"
    & skf21("3","7","7","4","6","1","7","1") = "6"
    & skf21("3","7","7","4","6","2","1","1") = "6"
    & skf21("3","7","7","4","6","2","2","1") = "6"
    & skf21("3","7","7","4","6","2","3","1") = "6"
    & skf21("3","7","7","4","6","2","4","1") = "6"
    & skf21("3","7","7","4","6","2","5","1") = "6"
    & skf21("3","7","7","4","6","2","6","1") = "6"
    & skf21("3","7","7","4","6","2","7","1") = "6"
    & skf21("3","7","7","4","6","3","1","1") = "6"
    & skf21("3","7","7","4","6","3","2","1") = "6"
    & skf21("3","7","7","4","6","3","3","1") = "6"
    & skf21("3","7","7","4","6","3","4","1") = "6"
    & skf21("3","7","7","4","6","3","5","1") = "6"
    & skf21("3","7","7","4","6","3","6","1") = "6"
    & skf21("3","7","7","4","6","3","7","1") = "6"
    & skf21("3","7","7","4","6","4","1","1") = "6"
    & skf21("3","7","7","4","6","4","2","1") = "6"
    & skf21("3","7","7","4","6","4","3","1") = "6"
    & skf21("3","7","7","4","6","4","4","1") = "6"
    & skf21("3","7","7","4","6","4","5","1") = "6"
    & skf21("3","7","7","4","6","4","6","1") = "6"
    & skf21("3","7","7","4","6","4","7","1") = "6"
    & skf21("3","7","7","4","6","5","1","1") = "6"
    & skf21("3","7","7","4","6","5","2","1") = "6"
    & skf21("3","7","7","4","6","5","3","1") = "6"
    & skf21("3","7","7","4","6","5","4","1") = "6"
    & skf21("3","7","7","4","6","5","5","1") = "6"
    & skf21("3","7","7","4","6","5","6","1") = "6"
    & skf21("3","7","7","4","6","5","7","1") = "6"
    & skf21("3","7","7","4","6","6","1","1") = "6"
    & skf21("3","7","7","4","6","6","2","1") = "6"
    & skf21("3","7","7","4","6","6","3","1") = "6"
    & skf21("3","7","7","4","6","6","4","1") = "6"
    & skf21("3","7","7","4","6","6","5","1") = "6"
    & skf21("3","7","7","4","6","6","6","1") = "6"
    & skf21("3","7","7","4","6","6","7","1") = "6"
    & skf21("3","7","7","4","6","7","1","1") = "6"
    & skf21("3","7","7","4","6","7","2","1") = "6"
    & skf21("3","7","7","4","6","7","3","1") = "6"
    & skf21("3","7","7","4","6","7","4","1") = "6"
    & skf21("3","7","7","4","6","7","5","1") = "6"
    & skf21("3","7","7","4","6","7","6","1") = "6"
    & skf21("3","7","7","4","6","7","7","1") = "6"
    & skf21("3","7","7","4","7","1","1","1") = "6"
    & skf21("3","7","7","4","7","1","2","1") = "6"
    & skf21("3","7","7","4","7","1","3","1") = "6"
    & skf21("3","7","7","4","7","1","4","1") = "6"
    & skf21("3","7","7","4","7","1","5","1") = "6"
    & skf21("3","7","7","4","7","1","6","1") = "6"
    & skf21("3","7","7","4","7","1","7","1") = "6"
    & skf21("3","7","7","4","7","2","1","1") = "6"
    & skf21("3","7","7","4","7","2","2","1") = "6"
    & skf21("3","7","7","4","7","2","3","1") = "6"
    & skf21("3","7","7","4","7","2","4","1") = "6"
    & skf21("3","7","7","4","7","2","5","1") = "6"
    & skf21("3","7","7","4","7","2","6","1") = "6"
    & skf21("3","7","7","4","7","2","7","1") = "6"
    & skf21("3","7","7","4","7","3","1","1") = "6"
    & skf21("3","7","7","4","7","3","2","1") = "6"
    & skf21("3","7","7","4","7","3","3","1") = "6"
    & skf21("3","7","7","4","7","3","4","1") = "6"
    & skf21("3","7","7","4","7","3","5","1") = "6"
    & skf21("3","7","7","4","7","3","6","1") = "6"
    & skf21("3","7","7","4","7","3","7","1") = "6"
    & skf21("3","7","7","4","7","4","1","1") = "6"
    & skf21("3","7","7","4","7","4","2","1") = "6"
    & skf21("3","7","7","4","7","4","3","1") = "6"
    & skf21("3","7","7","4","7","4","4","1") = "6"
    & skf21("3","7","7","4","7","4","5","1") = "6"
    & skf21("3","7","7","4","7","4","6","1") = "6"
    & skf21("3","7","7","4","7","4","7","1") = "6"
    & skf21("3","7","7","4","7","5","1","1") = "6"
    & skf21("3","7","7","4","7","5","2","1") = "6"
    & skf21("3","7","7","4","7","5","3","1") = "6"
    & skf21("3","7","7","4","7","5","4","1") = "6"
    & skf21("3","7","7","4","7","5","5","1") = "6"
    & skf21("3","7","7","4","7","5","6","1") = "6"
    & skf21("3","7","7","4","7","5","7","1") = "6"
    & skf21("3","7","7","4","7","6","1","1") = "6"
    & skf21("3","7","7","4","7","6","2","1") = "6"
    & skf21("3","7","7","4","7","6","3","1") = "6"
    & skf21("3","7","7","4","7","6","4","1") = "6"
    & skf21("3","7","7","4","7","6","5","1") = "6"
    & skf21("3","7","7","4","7","6","6","1") = "6"
    & skf21("3","7","7","4","7","6","7","1") = "6"
    & skf21("3","7","7","4","7","7","1","1") = "6"
    & skf21("3","7","7","4","7","7","2","1") = "6"
    & skf21("3","7","7","4","7","7","3","1") = "6"
    & skf21("3","7","7","4","7","7","4","1") = "6"
    & skf21("3","7","7","4","7","7","5","1") = "6"
    & skf21("3","7","7","4","7","7","6","1") = "6"
    & skf21("3","7","7","4","7","7","7","1") = "6"
    & skf21("3","7","7","5","1","1","1","1") = "6"
    & skf21("3","7","7","5","1","1","2","1") = "6"
    & skf21("3","7","7","5","1","1","3","1") = "6"
    & skf21("3","7","7","5","1","1","4","1") = "6"
    & skf21("3","7","7","5","1","1","5","1") = "6"
    & skf21("3","7","7","5","1","1","6","1") = "6"
    & skf21("3","7","7","5","1","1","7","1") = "6"
    & skf21("3","7","7","5","1","2","1","1") = "6"
    & skf21("3","7","7","5","1","2","2","1") = "6"
    & skf21("3","7","7","5","1","2","3","1") = "6"
    & skf21("3","7","7","5","1","2","4","1") = "6"
    & skf21("3","7","7","5","1","2","5","1") = "6"
    & skf21("3","7","7","5","1","2","6","1") = "6"
    & skf21("3","7","7","5","1","2","7","1") = "6"
    & skf21("3","7","7","5","1","3","1","1") = "6"
    & skf21("3","7","7","5","1","3","2","1") = "6"
    & skf21("3","7","7","5","1","3","3","1") = "6"
    & skf21("3","7","7","5","1","3","4","1") = "6"
    & skf21("3","7","7","5","1","3","5","1") = "6"
    & skf21("3","7","7","5","1","3","6","1") = "6"
    & skf21("3","7","7","5","1","3","7","1") = "6"
    & skf21("3","7","7","5","1","4","1","1") = "6"
    & skf21("3","7","7","5","1","4","2","1") = "6"
    & skf21("3","7","7","5","1","4","3","1") = "6"
    & skf21("3","7","7","5","1","4","4","1") = "6"
    & skf21("3","7","7","5","1","4","5","1") = "6"
    & skf21("3","7","7","5","1","4","6","1") = "6"
    & skf21("3","7","7","5","1","4","7","1") = "6"
    & skf21("3","7","7","5","1","5","1","1") = "6"
    & skf21("3","7","7","5","1","5","2","1") = "6"
    & skf21("3","7","7","5","1","5","3","1") = "6"
    & skf21("3","7","7","5","1","5","4","1") = "6"
    & skf21("3","7","7","5","1","5","5","1") = "6"
    & skf21("3","7","7","5","1","5","6","1") = "6"
    & skf21("3","7","7","5","1","5","7","1") = "6"
    & skf21("3","7","7","5","1","6","1","1") = "6"
    & skf21("3","7","7","5","1","6","2","1") = "6"
    & skf21("3","7","7","5","1","6","3","1") = "6"
    & skf21("3","7","7","5","1","6","4","1") = "6"
    & skf21("3","7","7","5","1","6","5","1") = "6"
    & skf21("3","7","7","5","1","6","6","1") = "6"
    & skf21("3","7","7","5","1","6","7","1") = "6"
    & skf21("3","7","7","5","1","7","1","1") = "6"
    & skf21("3","7","7","5","1","7","2","1") = "6"
    & skf21("3","7","7","5","1","7","3","1") = "6"
    & skf21("3","7","7","5","1","7","4","1") = "6"
    & skf21("3","7","7","5","1","7","5","1") = "6"
    & skf21("3","7","7","5","1","7","6","1") = "6"
    & skf21("3","7","7","5","1","7","7","1") = "6"
    & skf21("3","7","7","5","2","1","1","1") = "6"
    & skf21("3","7","7","5","2","1","2","1") = "6"
    & skf21("3","7","7","5","2","1","3","1") = "6"
    & skf21("3","7","7","5","2","1","4","1") = "6"
    & skf21("3","7","7","5","2","1","5","1") = "6"
    & skf21("3","7","7","5","2","1","6","1") = "6"
    & skf21("3","7","7","5","2","1","7","1") = "6"
    & skf21("3","7","7","5","2","2","1","1") = "6"
    & skf21("3","7","7","5","2","2","2","1") = "6"
    & skf21("3","7","7","5","2","2","3","1") = "6"
    & skf21("3","7","7","5","2","2","4","1") = "6"
    & skf21("3","7","7","5","2","2","5","1") = "6"
    & skf21("3","7","7","5","2","2","6","1") = "6"
    & skf21("3","7","7","5","2","2","7","1") = "6"
    & skf21("3","7","7","5","2","3","1","1") = "6"
    & skf21("3","7","7","5","2","3","2","1") = "6"
    & skf21("3","7","7","5","2","3","3","1") = "6"
    & skf21("3","7","7","5","2","3","4","1") = "6"
    & skf21("3","7","7","5","2","3","5","1") = "6"
    & skf21("3","7","7","5","2","3","6","1") = "6"
    & skf21("3","7","7","5","2","3","7","1") = "6"
    & skf21("3","7","7","5","2","4","1","1") = "6"
    & skf21("3","7","7","5","2","4","2","1") = "6"
    & skf21("3","7","7","5","2","4","3","1") = "6"
    & skf21("3","7","7","5","2","4","4","1") = "6"
    & skf21("3","7","7","5","2","4","5","1") = "6"
    & skf21("3","7","7","5","2","4","6","1") = "6"
    & skf21("3","7","7","5","2","4","7","1") = "6"
    & skf21("3","7","7","5","2","5","1","1") = "6"
    & skf21("3","7","7","5","2","5","2","1") = "6"
    & skf21("3","7","7","5","2","5","3","1") = "6"
    & skf21("3","7","7","5","2","5","4","1") = "6"
    & skf21("3","7","7","5","2","5","5","1") = "6"
    & skf21("3","7","7","5","2","5","6","1") = "6"
    & skf21("3","7","7","5","2","5","7","1") = "6"
    & skf21("3","7","7","5","2","6","1","1") = "6"
    & skf21("3","7","7","5","2","6","2","1") = "6"
    & skf21("3","7","7","5","2","6","3","1") = "6"
    & skf21("3","7","7","5","2","6","4","1") = "6"
    & skf21("3","7","7","5","2","6","5","1") = "6"
    & skf21("3","7","7","5","2","6","6","1") = "6"
    & skf21("3","7","7","5","2","6","7","1") = "6"
    & skf21("3","7","7","5","2","7","1","1") = "6"
    & skf21("3","7","7","5","2","7","2","1") = "6"
    & skf21("3","7","7","5","2","7","3","1") = "6"
    & skf21("3","7","7","5","2","7","4","1") = "6"
    & skf21("3","7","7","5","2","7","5","1") = "6"
    & skf21("3","7","7","5","2","7","6","1") = "6"
    & skf21("3","7","7","5","2","7","7","1") = "6"
    & skf21("3","7","7","5","3","1","1","1") = "6"
    & skf21("3","7","7","5","3","1","2","1") = "6"
    & skf21("3","7","7","5","3","1","3","1") = "6"
    & skf21("3","7","7","5","3","1","4","1") = "6"
    & skf21("3","7","7","5","3","1","5","1") = "6"
    & skf21("3","7","7","5","3","1","6","1") = "6"
    & skf21("3","7","7","5","3","1","7","1") = "6"
    & skf21("3","7","7","5","3","2","1","1") = "6"
    & skf21("3","7","7","5","3","2","2","1") = "6"
    & skf21("3","7","7","5","3","2","3","1") = "6"
    & skf21("3","7","7","5","3","2","4","1") = "6"
    & skf21("3","7","7","5","3","2","5","1") = "6"
    & skf21("3","7","7","5","3","2","6","1") = "6"
    & skf21("3","7","7","5","3","2","7","1") = "6"
    & skf21("3","7","7","5","3","3","1","1") = "6"
    & skf21("3","7","7","5","3","3","2","1") = "6"
    & skf21("3","7","7","5","3","3","3","1") = "6"
    & skf21("3","7","7","5","3","3","4","1") = "6"
    & skf21("3","7","7","5","3","3","5","1") = "6"
    & skf21("3","7","7","5","3","3","6","1") = "6"
    & skf21("3","7","7","5","3","3","7","1") = "6"
    & skf21("3","7","7","5","3","4","1","1") = "6"
    & skf21("3","7","7","5","3","4","2","1") = "6"
    & skf21("3","7","7","5","3","4","3","1") = "6"
    & skf21("3","7","7","5","3","4","4","1") = "6"
    & skf21("3","7","7","5","3","4","5","1") = "6"
    & skf21("3","7","7","5","3","4","6","1") = "6"
    & skf21("3","7","7","5","3","4","7","1") = "6"
    & skf21("3","7","7","5","3","5","1","1") = "6"
    & skf21("3","7","7","5","3","5","2","1") = "6"
    & skf21("3","7","7","5","3","5","3","1") = "6"
    & skf21("3","7","7","5","3","5","4","1") = "6"
    & skf21("3","7","7","5","3","5","5","1") = "6"
    & skf21("3","7","7","5","3","5","6","1") = "6"
    & skf21("3","7","7","5","3","5","7","1") = "6"
    & skf21("3","7","7","5","3","6","1","1") = "6"
    & skf21("3","7","7","5","3","6","2","1") = "6"
    & skf21("3","7","7","5","3","6","3","1") = "6"
    & skf21("3","7","7","5","3","6","4","1") = "6"
    & skf21("3","7","7","5","3","6","5","1") = "6"
    & skf21("3","7","7","5","3","6","6","1") = "6"
    & skf21("3","7","7","5","3","6","7","1") = "6"
    & skf21("3","7","7","5","3","7","1","1") = "6"
    & skf21("3","7","7","5","3","7","2","1") = "6"
    & skf21("3","7","7","5","3","7","3","1") = "6"
    & skf21("3","7","7","5","3","7","4","1") = "6"
    & skf21("3","7","7","5","3","7","5","1") = "6"
    & skf21("3","7","7","5","3","7","6","1") = "6"
    & skf21("3","7","7","5","3","7","7","1") = "6"
    & skf21("3","7","7","5","4","1","1","1") = "6"
    & skf21("3","7","7","5","4","1","2","1") = "6"
    & skf21("3","7","7","5","4","1","3","1") = "6"
    & skf21("3","7","7","5","4","1","4","1") = "6"
    & skf21("3","7","7","5","4","1","5","1") = "6"
    & skf21("3","7","7","5","4","1","6","1") = "6"
    & skf21("3","7","7","5","4","1","7","1") = "6"
    & skf21("3","7","7","5","4","2","1","1") = "6"
    & skf21("3","7","7","5","4","2","2","1") = "6"
    & skf21("3","7","7","5","4","2","3","1") = "6"
    & skf21("3","7","7","5","4","2","4","1") = "6"
    & skf21("3","7","7","5","4","2","5","1") = "6"
    & skf21("3","7","7","5","4","2","6","1") = "6"
    & skf21("3","7","7","5","4","2","7","1") = "6"
    & skf21("3","7","7","5","4","3","1","1") = "6"
    & skf21("3","7","7","5","4","3","2","1") = "6"
    & skf21("3","7","7","5","4","3","3","1") = "6"
    & skf21("3","7","7","5","4","3","4","1") = "6"
    & skf21("3","7","7","5","4","3","5","1") = "6"
    & skf21("3","7","7","5","4","3","6","1") = "6"
    & skf21("3","7","7","5","4","3","7","1") = "6"
    & skf21("3","7","7","5","4","4","1","1") = "6"
    & skf21("3","7","7","5","4","4","2","1") = "6"
    & skf21("3","7","7","5","4","4","3","1") = "6"
    & skf21("3","7","7","5","4","4","4","1") = "6"
    & skf21("3","7","7","5","4","4","5","1") = "6"
    & skf21("3","7","7","5","4","4","6","1") = "6"
    & skf21("3","7","7","5","4","4","7","1") = "6"
    & skf21("3","7","7","5","4","5","1","1") = "6"
    & skf21("3","7","7","5","4","5","2","1") = "6"
    & skf21("3","7","7","5","4","5","3","1") = "6"
    & skf21("3","7","7","5","4","5","4","1") = "6"
    & skf21("3","7","7","5","4","5","5","1") = "6"
    & skf21("3","7","7","5","4","5","6","1") = "6"
    & skf21("3","7","7","5","4","5","7","1") = "6"
    & skf21("3","7","7","5","4","6","1","1") = "6"
    & skf21("3","7","7","5","4","6","2","1") = "6"
    & skf21("3","7","7","5","4","6","3","1") = "6"
    & skf21("3","7","7","5","4","6","4","1") = "6"
    & skf21("3","7","7","5","4","6","5","1") = "6"
    & skf21("3","7","7","5","4","6","6","1") = "6"
    & skf21("3","7","7","5","4","6","7","1") = "6"
    & skf21("3","7","7","5","4","7","1","1") = "6"
    & skf21("3","7","7","5","4","7","2","1") = "6"
    & skf21("3","7","7","5","4","7","3","1") = "6"
    & skf21("3","7","7","5","4","7","4","1") = "6"
    & skf21("3","7","7","5","4","7","5","1") = "6"
    & skf21("3","7","7","5","4","7","6","1") = "6"
    & skf21("3","7","7","5","4","7","7","1") = "6"
    & skf21("3","7","7","5","5","1","1","1") = "6"
    & skf21("3","7","7","5","5","1","2","1") = "6"
    & skf21("3","7","7","5","5","1","3","1") = "6"
    & skf21("3","7","7","5","5","1","4","1") = "6"
    & skf21("3","7","7","5","5","1","5","1") = "6"
    & skf21("3","7","7","5","5","1","6","1") = "6"
    & skf21("3","7","7","5","5","1","7","1") = "6"
    & skf21("3","7","7","5","5","2","1","1") = "6"
    & skf21("3","7","7","5","5","2","2","1") = "6"
    & skf21("3","7","7","5","5","2","3","1") = "6"
    & skf21("3","7","7","5","5","2","4","1") = "6"
    & skf21("3","7","7","5","5","2","5","1") = "6"
    & skf21("3","7","7","5","5","2","6","1") = "6"
    & skf21("3","7","7","5","5","2","7","1") = "6"
    & skf21("3","7","7","5","5","3","1","1") = "6"
    & skf21("3","7","7","5","5","3","2","1") = "6"
    & skf21("3","7","7","5","5","3","3","1") = "6"
    & skf21("3","7","7","5","5","3","4","1") = "6"
    & skf21("3","7","7","5","5","3","5","1") = "6"
    & skf21("3","7","7","5","5","3","6","1") = "6"
    & skf21("3","7","7","5","5","3","7","1") = "6"
    & skf21("3","7","7","5","5","4","1","1") = "6"
    & skf21("3","7","7","5","5","4","2","1") = "6"
    & skf21("3","7","7","5","5","4","3","1") = "6"
    & skf21("3","7","7","5","5","4","4","1") = "6"
    & skf21("3","7","7","5","5","4","5","1") = "6"
    & skf21("3","7","7","5","5","4","6","1") = "6"
    & skf21("3","7","7","5","5","4","7","1") = "6"
    & skf21("3","7","7","5","5","5","1","1") = "6"
    & skf21("3","7","7","5","5","5","2","1") = "6"
    & skf21("3","7","7","5","5","5","3","1") = "6"
    & skf21("3","7","7","5","5","5","4","1") = "6"
    & skf21("3","7","7","5","5","5","5","1") = "6"
    & skf21("3","7","7","5","5","5","6","1") = "6"
    & skf21("3","7","7","5","5","5","7","1") = "6"
    & skf21("3","7","7","5","5","6","1","1") = "6"
    & skf21("3","7","7","5","5","6","2","1") = "6"
    & skf21("3","7","7","5","5","6","3","1") = "6"
    & skf21("3","7","7","5","5","6","4","1") = "6"
    & skf21("3","7","7","5","5","6","5","1") = "6"
    & skf21("3","7","7","5","5","6","6","1") = "6"
    & skf21("3","7","7","5","5","6","7","1") = "6"
    & skf21("3","7","7","5","5","7","1","1") = "6"
    & skf21("3","7","7","5","5","7","2","1") = "6"
    & skf21("3","7","7","5","5","7","3","1") = "6"
    & skf21("3","7","7","5","5","7","4","1") = "6"
    & skf21("3","7","7","5","5","7","5","1") = "6"
    & skf21("3","7","7","5","5","7","6","1") = "6"
    & skf21("3","7","7","5","5","7","7","1") = "6"
    & skf21("3","7","7","5","6","1","1","1") = "6"
    & skf21("3","7","7","5","6","1","2","1") = "6"
    & skf21("3","7","7","5","6","1","3","1") = "6"
    & skf21("3","7","7","5","6","1","4","1") = "6"
    & skf21("3","7","7","5","6","1","5","1") = "6"
    & skf21("3","7","7","5","6","1","6","1") = "6"
    & skf21("3","7","7","5","6","1","7","1") = "6"
    & skf21("3","7","7","5","6","2","1","1") = "6"
    & skf21("3","7","7","5","6","2","2","1") = "6"
    & skf21("3","7","7","5","6","2","3","1") = "6"
    & skf21("3","7","7","5","6","2","4","1") = "6"
    & skf21("3","7","7","5","6","2","5","1") = "6"
    & skf21("3","7","7","5","6","2","6","1") = "6"
    & skf21("3","7","7","5","6","2","7","1") = "6"
    & skf21("3","7","7","5","6","3","1","1") = "6"
    & skf21("3","7","7","5","6","3","2","1") = "6"
    & skf21("3","7","7","5","6","3","3","1") = "6"
    & skf21("3","7","7","5","6","3","4","1") = "6"
    & skf21("3","7","7","5","6","3","5","1") = "6"
    & skf21("3","7","7","5","6","3","6","1") = "6"
    & skf21("3","7","7","5","6","3","7","1") = "6"
    & skf21("3","7","7","5","6","4","1","1") = "6"
    & skf21("3","7","7","5","6","4","2","1") = "6"
    & skf21("3","7","7","5","6","4","3","1") = "6"
    & skf21("3","7","7","5","6","4","4","1") = "6"
    & skf21("3","7","7","5","6","4","5","1") = "6"
    & skf21("3","7","7","5","6","4","6","1") = "6"
    & skf21("3","7","7","5","6","4","7","1") = "6"
    & skf21("3","7","7","5","6","5","1","1") = "6"
    & skf21("3","7","7","5","6","5","2","1") = "6"
    & skf21("3","7","7","5","6","5","3","1") = "6"
    & skf21("3","7","7","5","6","5","4","1") = "6"
    & skf21("3","7","7","5","6","5","5","1") = "6"
    & skf21("3","7","7","5","6","5","6","1") = "6"
    & skf21("3","7","7","5","6","5","7","1") = "6"
    & skf21("3","7","7","5","6","6","1","1") = "6"
    & skf21("3","7","7","5","6","6","2","1") = "6"
    & skf21("3","7","7","5","6","6","3","1") = "6"
    & skf21("3","7","7","5","6","6","4","1") = "6"
    & skf21("3","7","7","5","6","6","5","1") = "6"
    & skf21("3","7","7","5","6","6","6","1") = "6"
    & skf21("3","7","7","5","6","6","7","1") = "6"
    & skf21("3","7","7","5","6","7","1","1") = "6"
    & skf21("3","7","7","5","6","7","2","1") = "6"
    & skf21("3","7","7","5","6","7","3","1") = "6"
    & skf21("3","7","7","5","6","7","4","1") = "6"
    & skf21("3","7","7","5","6","7","5","1") = "6"
    & skf21("3","7","7","5","6","7","6","1") = "6"
    & skf21("3","7","7","5","6","7","7","1") = "6"
    & skf21("3","7","7","5","7","1","1","1") = "6"
    & skf21("3","7","7","5","7","1","2","1") = "6"
    & skf21("3","7","7","5","7","1","3","1") = "6"
    & skf21("3","7","7","5","7","1","4","1") = "6"
    & skf21("3","7","7","5","7","1","5","1") = "6"
    & skf21("3","7","7","5","7","1","6","1") = "6"
    & skf21("3","7","7","5","7","1","7","1") = "6"
    & skf21("3","7","7","5","7","2","1","1") = "6"
    & skf21("3","7","7","5","7","2","2","1") = "6"
    & skf21("3","7","7","5","7","2","3","1") = "6"
    & skf21("3","7","7","5","7","2","4","1") = "6"
    & skf21("3","7","7","5","7","2","5","1") = "6"
    & skf21("3","7","7","5","7","2","6","1") = "6"
    & skf21("3","7","7","5","7","2","7","1") = "6"
    & skf21("3","7","7","5","7","3","1","1") = "6"
    & skf21("3","7","7","5","7","3","2","1") = "6"
    & skf21("3","7","7","5","7","3","3","1") = "6"
    & skf21("3","7","7","5","7","3","4","1") = "6"
    & skf21("3","7","7","5","7","3","5","1") = "6"
    & skf21("3","7","7","5","7","3","6","1") = "6"
    & skf21("3","7","7","5","7","3","7","1") = "6"
    & skf21("3","7","7","5","7","4","1","1") = "6"
    & skf21("3","7","7","5","7","4","2","1") = "6"
    & skf21("3","7","7","5","7","4","3","1") = "6"
    & skf21("3","7","7","5","7","4","4","1") = "6"
    & skf21("3","7","7","5","7","4","5","1") = "6"
    & skf21("3","7","7","5","7","4","6","1") = "6"
    & skf21("3","7","7","5","7","4","7","1") = "6"
    & skf21("3","7","7","5","7","5","1","1") = "6"
    & skf21("3","7","7","5","7","5","2","1") = "6"
    & skf21("3","7","7","5","7","5","3","1") = "6"
    & skf21("3","7","7","5","7","5","4","1") = "6"
    & skf21("3","7","7","5","7","5","5","1") = "6"
    & skf21("3","7","7","5","7","5","6","1") = "6"
    & skf21("3","7","7","5","7","5","7","1") = "6"
    & skf21("3","7","7","5","7","6","1","1") = "6"
    & skf21("3","7","7","5","7","6","2","1") = "6"
    & skf21("3","7","7","5","7","6","3","1") = "6"
    & skf21("3","7","7","5","7","6","4","1") = "6"
    & skf21("3","7","7","5","7","6","5","1") = "6"
    & skf21("3","7","7","5","7","6","6","1") = "6"
    & skf21("3","7","7","5","7","6","7","1") = "6"
    & skf21("3","7","7","5","7","7","1","1") = "6"
    & skf21("3","7","7","5","7","7","2","1") = "6"
    & skf21("3","7","7","5","7","7","3","1") = "6"
    & skf21("3","7","7","5","7","7","4","1") = "6"
    & skf21("3","7","7","5","7","7","5","1") = "6"
    & skf21("3","7","7","5","7","7","6","1") = "6"
    & skf21("3","7","7","5","7","7","7","1") = "6"
    & skf21("3","7","7","6","1","1","1","1") = "6"
    & skf21("3","7","7","6","1","1","2","1") = "6"
    & skf21("3","7","7","6","1","1","3","1") = "6"
    & skf21("3","7","7","6","1","1","4","1") = "6"
    & skf21("3","7","7","6","1","1","5","1") = "6"
    & skf21("3","7","7","6","1","1","6","1") = "6"
    & skf21("3","7","7","6","1","1","7","1") = "6"
    & skf21("3","7","7","6","1","2","1","1") = "6"
    & skf21("3","7","7","6","1","2","2","1") = "6"
    & skf21("3","7","7","6","1","2","3","1") = "6"
    & skf21("3","7","7","6","1","2","4","1") = "6"
    & skf21("3","7","7","6","1","2","5","1") = "6"
    & skf21("3","7","7","6","1","2","6","1") = "6"
    & skf21("3","7","7","6","1","2","7","1") = "6"
    & skf21("3","7","7","6","1","3","1","1") = "6"
    & skf21("3","7","7","6","1","3","2","1") = "6"
    & skf21("3","7","7","6","1","3","3","1") = "6"
    & skf21("3","7","7","6","1","3","4","1") = "6"
    & skf21("3","7","7","6","1","3","5","1") = "6"
    & skf21("3","7","7","6","1","3","6","1") = "6"
    & skf21("3","7","7","6","1","3","7","1") = "6"
    & skf21("3","7","7","6","1","4","1","1") = "6"
    & skf21("3","7","7","6","1","4","2","1") = "6"
    & skf21("3","7","7","6","1","4","3","1") = "6"
    & skf21("3","7","7","6","1","4","4","1") = "6"
    & skf21("3","7","7","6","1","4","5","1") = "6"
    & skf21("3","7","7","6","1","4","6","1") = "6"
    & skf21("3","7","7","6","1","4","7","1") = "6"
    & skf21("3","7","7","6","1","5","1","1") = "6"
    & skf21("3","7","7","6","1","5","2","1") = "6"
    & skf21("3","7","7","6","1","5","3","1") = "6"
    & skf21("3","7","7","6","1","5","4","1") = "6"
    & skf21("3","7","7","6","1","5","5","1") = "6"
    & skf21("3","7","7","6","1","5","6","1") = "6"
    & skf21("3","7","7","6","1","5","7","1") = "6"
    & skf21("3","7","7","6","1","6","1","1") = "6"
    & skf21("3","7","7","6","1","6","2","1") = "6"
    & skf21("3","7","7","6","1","6","3","1") = "6"
    & skf21("3","7","7","6","1","6","4","1") = "6"
    & skf21("3","7","7","6","1","6","5","1") = "6"
    & skf21("3","7","7","6","1","6","6","1") = "6"
    & skf21("3","7","7","6","1","6","7","1") = "6"
    & skf21("3","7","7","6","1","7","1","1") = "6"
    & skf21("3","7","7","6","1","7","2","1") = "6"
    & skf21("3","7","7","6","1","7","3","1") = "6"
    & skf21("3","7","7","6","1","7","4","1") = "6"
    & skf21("3","7","7","6","1","7","5","1") = "6"
    & skf21("3","7","7","6","1","7","6","1") = "6"
    & skf21("3","7","7","6","1","7","7","1") = "6"
    & skf21("3","7","7","6","2","1","1","1") = "6"
    & skf21("3","7","7","6","2","1","2","1") = "6"
    & skf21("3","7","7","6","2","1","3","1") = "6"
    & skf21("3","7","7","6","2","1","4","1") = "6"
    & skf21("3","7","7","6","2","1","5","1") = "6"
    & skf21("3","7","7","6","2","1","6","1") = "6"
    & skf21("3","7","7","6","2","1","7","1") = "6"
    & skf21("3","7","7","6","2","2","1","1") = "6"
    & skf21("3","7","7","6","2","2","2","1") = "6"
    & skf21("3","7","7","6","2","2","3","1") = "6"
    & skf21("3","7","7","6","2","2","4","1") = "6"
    & skf21("3","7","7","6","2","2","5","1") = "6"
    & skf21("3","7","7","6","2","2","6","1") = "6"
    & skf21("3","7","7","6","2","2","7","1") = "6"
    & skf21("3","7","7","6","2","3","1","1") = "6"
    & skf21("3","7","7","6","2","3","2","1") = "6"
    & skf21("3","7","7","6","2","3","3","1") = "6"
    & skf21("3","7","7","6","2","3","4","1") = "6"
    & skf21("3","7","7","6","2","3","5","1") = "6"
    & skf21("3","7","7","6","2","3","6","1") = "6"
    & skf21("3","7","7","6","2","3","7","1") = "6"
    & skf21("3","7","7","6","2","4","1","1") = "6"
    & skf21("3","7","7","6","2","4","2","1") = "6"
    & skf21("3","7","7","6","2","4","3","1") = "6"
    & skf21("3","7","7","6","2","4","4","1") = "6"
    & skf21("3","7","7","6","2","4","5","1") = "6"
    & skf21("3","7","7","6","2","4","6","1") = "6"
    & skf21("3","7","7","6","2","4","7","1") = "6"
    & skf21("3","7","7","6","2","5","1","1") = "6"
    & skf21("3","7","7","6","2","5","2","1") = "6"
    & skf21("3","7","7","6","2","5","3","1") = "6"
    & skf21("3","7","7","6","2","5","4","1") = "6"
    & skf21("3","7","7","6","2","5","5","1") = "6"
    & skf21("3","7","7","6","2","5","6","1") = "6"
    & skf21("3","7","7","6","2","5","7","1") = "6"
    & skf21("3","7","7","6","2","6","1","1") = "6"
    & skf21("3","7","7","6","2","6","2","1") = "6"
    & skf21("3","7","7","6","2","6","3","1") = "6"
    & skf21("3","7","7","6","2","6","4","1") = "6"
    & skf21("3","7","7","6","2","6","5","1") = "6"
    & skf21("3","7","7","6","2","6","6","1") = "6"
    & skf21("3","7","7","6","2","6","7","1") = "6"
    & skf21("3","7","7","6","2","7","1","1") = "6"
    & skf21("3","7","7","6","2","7","2","1") = "6"
    & skf21("3","7","7","6","2","7","3","1") = "6"
    & skf21("3","7","7","6","2","7","4","1") = "6"
    & skf21("3","7","7","6","2","7","5","1") = "6"
    & skf21("3","7","7","6","2","7","6","1") = "6"
    & skf21("3","7","7","6","2","7","7","1") = "6"
    & skf21("3","7","7","6","3","1","1","1") = "6"
    & skf21("3","7","7","6","3","1","2","1") = "6"
    & skf21("3","7","7","6","3","1","3","1") = "6"
    & skf21("3","7","7","6","3","1","4","1") = "6"
    & skf21("3","7","7","6","3","1","5","1") = "6"
    & skf21("3","7","7","6","3","1","6","1") = "6"
    & skf21("3","7","7","6","3","1","7","1") = "6"
    & skf21("3","7","7","6","3","2","1","1") = "6"
    & skf21("3","7","7","6","3","2","2","1") = "6"
    & skf21("3","7","7","6","3","2","3","1") = "6"
    & skf21("3","7","7","6","3","2","4","1") = "6"
    & skf21("3","7","7","6","3","2","5","1") = "6"
    & skf21("3","7","7","6","3","2","6","1") = "6"
    & skf21("3","7","7","6","3","2","7","1") = "6"
    & skf21("3","7","7","6","3","3","1","1") = "6"
    & skf21("3","7","7","6","3","3","2","1") = "6"
    & skf21("3","7","7","6","3","3","3","1") = "6"
    & skf21("3","7","7","6","3","3","4","1") = "6"
    & skf21("3","7","7","6","3","3","5","1") = "6"
    & skf21("3","7","7","6","3","3","6","1") = "6"
    & skf21("3","7","7","6","3","3","7","1") = "6"
    & skf21("3","7","7","6","3","4","1","1") = "6"
    & skf21("3","7","7","6","3","4","2","1") = "6"
    & skf21("3","7","7","6","3","4","3","1") = "6"
    & skf21("3","7","7","6","3","4","4","1") = "6"
    & skf21("3","7","7","6","3","4","5","1") = "6"
    & skf21("3","7","7","6","3","4","6","1") = "6"
    & skf21("3","7","7","6","3","4","7","1") = "6"
    & skf21("3","7","7","6","3","5","1","1") = "6"
    & skf21("3","7","7","6","3","5","2","1") = "6"
    & skf21("3","7","7","6","3","5","3","1") = "6"
    & skf21("3","7","7","6","3","5","4","1") = "6"
    & skf21("3","7","7","6","3","5","5","1") = "6"
    & skf21("3","7","7","6","3","5","6","1") = "6"
    & skf21("3","7","7","6","3","5","7","1") = "6"
    & skf21("3","7","7","6","3","6","1","1") = "6"
    & skf21("3","7","7","6","3","6","2","1") = "6"
    & skf21("3","7","7","6","3","6","3","1") = "6"
    & skf21("3","7","7","6","3","6","4","1") = "6"
    & skf21("3","7","7","6","3","6","5","1") = "6"
    & skf21("3","7","7","6","3","6","6","1") = "6"
    & skf21("3","7","7","6","3","6","7","1") = "6"
    & skf21("3","7","7","6","3","7","1","1") = "6"
    & skf21("3","7","7","6","3","7","2","1") = "6"
    & skf21("3","7","7","6","3","7","3","1") = "6"
    & skf21("3","7","7","6","3","7","4","1") = "6"
    & skf21("3","7","7","6","3","7","5","1") = "6"
    & skf21("3","7","7","6","3","7","6","1") = "6"
    & skf21("3","7","7","6","3","7","7","1") = "6"
    & skf21("3","7","7","6","4","1","1","1") = "6"
    & skf21("3","7","7","6","4","1","2","1") = "6"
    & skf21("3","7","7","6","4","1","3","1") = "6"
    & skf21("3","7","7","6","4","1","4","1") = "6"
    & skf21("3","7","7","6","4","1","5","1") = "6"
    & skf21("3","7","7","6","4","1","6","1") = "6"
    & skf21("3","7","7","6","4","1","7","1") = "6"
    & skf21("3","7","7","6","4","2","1","1") = "6"
    & skf21("3","7","7","6","4","2","2","1") = "6"
    & skf21("3","7","7","6","4","2","3","1") = "6"
    & skf21("3","7","7","6","4","2","4","1") = "6"
    & skf21("3","7","7","6","4","2","5","1") = "6"
    & skf21("3","7","7","6","4","2","6","1") = "6"
    & skf21("3","7","7","6","4","2","7","1") = "6"
    & skf21("3","7","7","6","4","3","1","1") = "6"
    & skf21("3","7","7","6","4","3","2","1") = "6"
    & skf21("3","7","7","6","4","3","3","1") = "6"
    & skf21("3","7","7","6","4","3","4","1") = "6"
    & skf21("3","7","7","6","4","3","5","1") = "6"
    & skf21("3","7","7","6","4","3","6","1") = "6"
    & skf21("3","7","7","6","4","3","7","1") = "6"
    & skf21("3","7","7","6","4","4","1","1") = "6"
    & skf21("3","7","7","6","4","4","2","1") = "6"
    & skf21("3","7","7","6","4","4","3","1") = "6"
    & skf21("3","7","7","6","4","4","4","1") = "6"
    & skf21("3","7","7","6","4","4","5","1") = "6"
    & skf21("3","7","7","6","4","4","6","1") = "6"
    & skf21("3","7","7","6","4","4","7","1") = "6"
    & skf21("3","7","7","6","4","5","1","1") = "6"
    & skf21("3","7","7","6","4","5","2","1") = "6"
    & skf21("3","7","7","6","4","5","3","1") = "6"
    & skf21("3","7","7","6","4","5","4","1") = "6"
    & skf21("3","7","7","6","4","5","5","1") = "6"
    & skf21("3","7","7","6","4","5","6","1") = "6"
    & skf21("3","7","7","6","4","5","7","1") = "6"
    & skf21("3","7","7","6","4","6","1","1") = "6"
    & skf21("3","7","7","6","4","6","2","1") = "6"
    & skf21("3","7","7","6","4","6","3","1") = "6"
    & skf21("3","7","7","6","4","6","4","1") = "6"
    & skf21("3","7","7","6","4","6","5","1") = "6"
    & skf21("3","7","7","6","4","6","6","1") = "6"
    & skf21("3","7","7","6","4","6","7","1") = "6"
    & skf21("3","7","7","6","4","7","1","1") = "6"
    & skf21("3","7","7","6","4","7","2","1") = "6"
    & skf21("3","7","7","6","4","7","3","1") = "6"
    & skf21("3","7","7","6","4","7","4","1") = "6"
    & skf21("3","7","7","6","4","7","5","1") = "6"
    & skf21("3","7","7","6","4","7","6","1") = "6"
    & skf21("3","7","7","6","4","7","7","1") = "6"
    & skf21("3","7","7","6","5","1","1","1") = "6"
    & skf21("3","7","7","6","5","1","2","1") = "6"
    & skf21("3","7","7","6","5","1","3","1") = "6"
    & skf21("3","7","7","6","5","1","4","1") = "6"
    & skf21("3","7","7","6","5","1","5","1") = "6"
    & skf21("3","7","7","6","5","1","6","1") = "6"
    & skf21("3","7","7","6","5","1","7","1") = "6"
    & skf21("3","7","7","6","5","2","1","1") = "6"
    & skf21("3","7","7","6","5","2","2","1") = "6"
    & skf21("3","7","7","6","5","2","3","1") = "6"
    & skf21("3","7","7","6","5","2","4","1") = "6"
    & skf21("3","7","7","6","5","2","5","1") = "6"
    & skf21("3","7","7","6","5","2","6","1") = "6"
    & skf21("3","7","7","6","5","2","7","1") = "6"
    & skf21("3","7","7","6","5","3","1","1") = "6"
    & skf21("3","7","7","6","5","3","2","1") = "6"
    & skf21("3","7","7","6","5","3","3","1") = "6"
    & skf21("3","7","7","6","5","3","4","1") = "6"
    & skf21("3","7","7","6","5","3","5","1") = "6"
    & skf21("3","7","7","6","5","3","6","1") = "6"
    & skf21("3","7","7","6","5","3","7","1") = "6"
    & skf21("3","7","7","6","5","4","1","1") = "6"
    & skf21("3","7","7","6","5","4","2","1") = "6"
    & skf21("3","7","7","6","5","4","3","1") = "6"
    & skf21("3","7","7","6","5","4","4","1") = "6"
    & skf21("3","7","7","6","5","4","5","1") = "6"
    & skf21("3","7","7","6","5","4","6","1") = "6"
    & skf21("3","7","7","6","5","4","7","1") = "6"
    & skf21("3","7","7","6","5","5","1","1") = "6"
    & skf21("3","7","7","6","5","5","2","1") = "6"
    & skf21("3","7","7","6","5","5","3","1") = "6"
    & skf21("3","7","7","6","5","5","4","1") = "6"
    & skf21("3","7","7","6","5","5","5","1") = "6"
    & skf21("3","7","7","6","5","5","6","1") = "6"
    & skf21("3","7","7","6","5","5","7","1") = "6"
    & skf21("3","7","7","6","5","6","1","1") = "6"
    & skf21("3","7","7","6","5","6","2","1") = "6"
    & skf21("3","7","7","6","5","6","3","1") = "6"
    & skf21("3","7","7","6","5","6","4","1") = "6"
    & skf21("3","7","7","6","5","6","5","1") = "6"
    & skf21("3","7","7","6","5","6","6","1") = "6"
    & skf21("3","7","7","6","5","6","7","1") = "6"
    & skf21("3","7","7","6","5","7","1","1") = "6"
    & skf21("3","7","7","6","5","7","2","1") = "6"
    & skf21("3","7","7","6","5","7","3","1") = "6"
    & skf21("3","7","7","6","5","7","4","1") = "6"
    & skf21("3","7","7","6","5","7","5","1") = "6"
    & skf21("3","7","7","6","5","7","6","1") = "6"
    & skf21("3","7","7","6","5","7","7","1") = "6"
    & skf21("3","7","7","6","6","1","1","1") = "6"
    & skf21("3","7","7","6","6","1","2","1") = "6"
    & skf21("3","7","7","6","6","1","3","1") = "6"
    & skf21("3","7","7","6","6","1","4","1") = "6"
    & skf21("3","7","7","6","6","1","5","1") = "6"
    & skf21("3","7","7","6","6","1","6","1") = "6"
    & skf21("3","7","7","6","6","1","7","1") = "6"
    & skf21("3","7","7","6","6","2","1","1") = "6"
    & skf21("3","7","7","6","6","2","2","1") = "6"
    & skf21("3","7","7","6","6","2","3","1") = "6"
    & skf21("3","7","7","6","6","2","4","1") = "6"
    & skf21("3","7","7","6","6","2","5","1") = "6"
    & skf21("3","7","7","6","6","2","6","1") = "6"
    & skf21("3","7","7","6","6","2","7","1") = "6"
    & skf21("3","7","7","6","6","3","1","1") = "6"
    & skf21("3","7","7","6","6","3","2","1") = "6"
    & skf21("3","7","7","6","6","3","3","1") = "6"
    & skf21("3","7","7","6","6","3","4","1") = "6"
    & skf21("3","7","7","6","6","3","5","1") = "6"
    & skf21("3","7","7","6","6","3","6","1") = "6"
    & skf21("3","7","7","6","6","3","7","1") = "6"
    & skf21("3","7","7","6","6","4","1","1") = "6"
    & skf21("3","7","7","6","6","4","2","1") = "6"
    & skf21("3","7","7","6","6","4","3","1") = "6"
    & skf21("3","7","7","6","6","4","4","1") = "6"
    & skf21("3","7","7","6","6","4","5","1") = "6"
    & skf21("3","7","7","6","6","4","6","1") = "6"
    & skf21("3","7","7","6","6","4","7","1") = "6"
    & skf21("3","7","7","6","6","5","1","1") = "6"
    & skf21("3","7","7","6","6","5","2","1") = "6"
    & skf21("3","7","7","6","6","5","3","1") = "6"
    & skf21("3","7","7","6","6","5","4","1") = "6"
    & skf21("3","7","7","6","6","5","5","1") = "6"
    & skf21("3","7","7","6","6","5","6","1") = "6"
    & skf21("3","7","7","6","6","5","7","1") = "6"
    & skf21("3","7","7","6","6","6","1","1") = "6"
    & skf21("3","7","7","6","6","6","2","1") = "6"
    & skf21("3","7","7","6","6","6","3","1") = "6"
    & skf21("3","7","7","6","6","6","4","1") = "6"
    & skf21("3","7","7","6","6","6","5","1") = "6"
    & skf21("3","7","7","6","6","6","6","1") = "6"
    & skf21("3","7","7","6","6","6","7","1") = "6"
    & skf21("3","7","7","6","6","7","1","1") = "6"
    & skf21("3","7","7","6","6","7","2","1") = "6"
    & skf21("3","7","7","6","6","7","3","1") = "6"
    & skf21("3","7","7","6","6","7","4","1") = "6"
    & skf21("3","7","7","6","6","7","5","1") = "6"
    & skf21("3","7","7","6","6","7","6","1") = "6"
    & skf21("3","7","7","6","6","7","7","1") = "6"
    & skf21("3","7","7","6","7","1","1","1") = "6"
    & skf21("3","7","7","6","7","1","2","1") = "6"
    & skf21("3","7","7","6","7","1","3","1") = "6"
    & skf21("3","7","7","6","7","1","4","1") = "6"
    & skf21("3","7","7","6","7","1","5","1") = "6"
    & skf21("3","7","7","6","7","1","6","1") = "6"
    & skf21("3","7","7","6","7","1","7","1") = "6"
    & skf21("3","7","7","6","7","2","1","1") = "6"
    & skf21("3","7","7","6","7","2","2","1") = "6"
    & skf21("3","7","7","6","7","2","3","1") = "6"
    & skf21("3","7","7","6","7","2","4","1") = "6"
    & skf21("3","7","7","6","7","2","5","1") = "6"
    & skf21("3","7","7","6","7","2","6","1") = "6"
    & skf21("3","7","7","6","7","2","7","1") = "6"
    & skf21("3","7","7","6","7","3","1","1") = "6"
    & skf21("3","7","7","6","7","3","2","1") = "6"
    & skf21("3","7","7","6","7","3","3","1") = "6"
    & skf21("3","7","7","6","7","3","4","1") = "6"
    & skf21("3","7","7","6","7","3","5","1") = "6"
    & skf21("3","7","7","6","7","3","6","1") = "6"
    & skf21("3","7","7","6","7","3","7","1") = "6"
    & skf21("3","7","7","6","7","4","1","1") = "6"
    & skf21("3","7","7","6","7","4","2","1") = "6"
    & skf21("3","7","7","6","7","4","3","1") = "6"
    & skf21("3","7","7","6","7","4","4","1") = "6"
    & skf21("3","7","7","6","7","4","5","1") = "6"
    & skf21("3","7","7","6","7","4","6","1") = "6"
    & skf21("3","7","7","6","7","4","7","1") = "6"
    & skf21("3","7","7","6","7","5","1","1") = "6"
    & skf21("3","7","7","6","7","5","2","1") = "6"
    & skf21("3","7","7","6","7","5","3","1") = "6"
    & skf21("3","7","7","6","7","5","4","1") = "6"
    & skf21("3","7","7","6","7","5","5","1") = "6"
    & skf21("3","7","7","6","7","5","6","1") = "6"
    & skf21("3","7","7","6","7","5","7","1") = "6"
    & skf21("3","7","7","6","7","6","1","1") = "6"
    & skf21("3","7","7","6","7","6","2","1") = "6"
    & skf21("3","7","7","6","7","6","3","1") = "6"
    & skf21("3","7","7","6","7","6","4","1") = "6"
    & skf21("3","7","7","6","7","6","5","1") = "6"
    & skf21("3","7","7","6","7","6","6","1") = "6"
    & skf21("3","7","7","6","7","6","7","1") = "6"
    & skf21("3","7","7","6","7","7","1","1") = "6"
    & skf21("3","7","7","6","7","7","2","1") = "6"
    & skf21("3","7","7","6","7","7","3","1") = "6"
    & skf21("3","7","7","6","7","7","4","1") = "6"
    & skf21("3","7","7","6","7","7","5","1") = "6"
    & skf21("3","7","7","6","7","7","6","1") = "6"
    & skf21("3","7","7","6","7","7","7","1") = "6"
    & skf21("3","7","7","7","1","1","1","1") = "6"
    & skf21("3","7","7","7","1","1","2","1") = "6"
    & skf21("3","7","7","7","1","1","3","1") = "6"
    & skf21("3","7","7","7","1","1","4","1") = "6"
    & skf21("3","7","7","7","1","1","5","1") = "6"
    & skf21("3","7","7","7","1","1","6","1") = "6"
    & skf21("3","7","7","7","1","1","7","1") = "6"
    & skf21("3","7","7","7","1","2","1","1") = "6"
    & skf21("3","7","7","7","1","2","2","1") = "6"
    & skf21("3","7","7","7","1","2","3","1") = "6"
    & skf21("3","7","7","7","1","2","4","1") = "6"
    & skf21("3","7","7","7","1","2","5","1") = "6"
    & skf21("3","7","7","7","1","2","6","1") = "6"
    & skf21("3","7","7","7","1","2","7","1") = "6"
    & skf21("3","7","7","7","1","3","1","1") = "6"
    & skf21("3","7","7","7","1","3","2","1") = "6"
    & skf21("3","7","7","7","1","3","3","1") = "6"
    & skf21("3","7","7","7","1","3","4","1") = "6"
    & skf21("3","7","7","7","1","3","5","1") = "6"
    & skf21("3","7","7","7","1","3","6","1") = "6"
    & skf21("3","7","7","7","1","3","7","1") = "6"
    & skf21("3","7","7","7","1","4","1","1") = "6"
    & skf21("3","7","7","7","1","4","2","1") = "6"
    & skf21("3","7","7","7","1","4","3","1") = "6"
    & skf21("3","7","7","7","1","4","4","1") = "6"
    & skf21("3","7","7","7","1","4","5","1") = "6"
    & skf21("3","7","7","7","1","4","6","1") = "6"
    & skf21("3","7","7","7","1","4","7","1") = "6"
    & skf21("3","7","7","7","1","5","1","1") = "6"
    & skf21("3","7","7","7","1","5","2","1") = "6"
    & skf21("3","7","7","7","1","5","3","1") = "6"
    & skf21("3","7","7","7","1","5","4","1") = "6"
    & skf21("3","7","7","7","1","5","5","1") = "6"
    & skf21("3","7","7","7","1","5","6","1") = "6"
    & skf21("3","7","7","7","1","5","7","1") = "6"
    & skf21("3","7","7","7","1","6","1","1") = "6"
    & skf21("3","7","7","7","1","6","2","1") = "6"
    & skf21("3","7","7","7","1","6","3","1") = "6"
    & skf21("3","7","7","7","1","6","4","1") = "6"
    & skf21("3","7","7","7","1","6","5","1") = "6"
    & skf21("3","7","7","7","1","6","6","1") = "6"
    & skf21("3","7","7","7","1","6","7","1") = "6"
    & skf21("3","7","7","7","1","7","1","1") = "6"
    & skf21("3","7","7","7","1","7","2","1") = "6"
    & skf21("3","7","7","7","1","7","3","1") = "6"
    & skf21("3","7","7","7","1","7","4","1") = "6"
    & skf21("3","7","7","7","1","7","5","1") = "6"
    & skf21("3","7","7","7","1","7","6","1") = "6"
    & skf21("3","7","7","7","1","7","7","1") = "6"
    & skf21("3","7","7","7","2","1","1","1") = "6"
    & skf21("3","7","7","7","2","1","2","1") = "6"
    & skf21("3","7","7","7","2","1","3","1") = "6"
    & skf21("3","7","7","7","2","1","4","1") = "6"
    & skf21("3","7","7","7","2","1","5","1") = "6"
    & skf21("3","7","7","7","2","1","6","1") = "6"
    & skf21("3","7","7","7","2","1","7","1") = "6"
    & skf21("3","7","7","7","2","2","1","1") = "6"
    & skf21("3","7","7","7","2","2","2","1") = "6"
    & skf21("3","7","7","7","2","2","3","1") = "6"
    & skf21("3","7","7","7","2","2","4","1") = "6"
    & skf21("3","7","7","7","2","2","5","1") = "6"
    & skf21("3","7","7","7","2","2","6","1") = "6"
    & skf21("3","7","7","7","2","2","7","1") = "6"
    & skf21("3","7","7","7","2","3","1","1") = "6"
    & skf21("3","7","7","7","2","3","2","1") = "6"
    & skf21("3","7","7","7","2","3","3","1") = "6"
    & skf21("3","7","7","7","2","3","4","1") = "6"
    & skf21("3","7","7","7","2","3","5","1") = "6"
    & skf21("3","7","7","7","2","3","6","1") = "6"
    & skf21("3","7","7","7","2","3","7","1") = "6"
    & skf21("3","7","7","7","2","4","1","1") = "6"
    & skf21("3","7","7","7","2","4","2","1") = "6"
    & skf21("3","7","7","7","2","4","3","1") = "6"
    & skf21("3","7","7","7","2","4","4","1") = "6"
    & skf21("3","7","7","7","2","4","5","1") = "6"
    & skf21("3","7","7","7","2","4","6","1") = "6"
    & skf21("3","7","7","7","2","4","7","1") = "6"
    & skf21("3","7","7","7","2","5","1","1") = "6"
    & skf21("3","7","7","7","2","5","2","1") = "6"
    & skf21("3","7","7","7","2","5","3","1") = "6"
    & skf21("3","7","7","7","2","5","4","1") = "6"
    & skf21("3","7","7","7","2","5","5","1") = "6"
    & skf21("3","7","7","7","2","5","6","1") = "6"
    & skf21("3","7","7","7","2","5","7","1") = "6"
    & skf21("3","7","7","7","2","6","1","1") = "6"
    & skf21("3","7","7","7","2","6","2","1") = "6"
    & skf21("3","7","7","7","2","6","3","1") = "6"
    & skf21("3","7","7","7","2","6","4","1") = "6"
    & skf21("3","7","7","7","2","6","5","1") = "6"
    & skf21("3","7","7","7","2","6","6","1") = "6"
    & skf21("3","7","7","7","2","6","7","1") = "6"
    & skf21("3","7","7","7","2","7","1","1") = "6"
    & skf21("3","7","7","7","2","7","2","1") = "6"
    & skf21("3","7","7","7","2","7","3","1") = "6"
    & skf21("3","7","7","7","2","7","4","1") = "6"
    & skf21("3","7","7","7","2","7","5","1") = "6"
    & skf21("3","7","7","7","2","7","6","1") = "6"
    & skf21("3","7","7","7","2","7","7","1") = "6"
    & skf21("3","7","7","7","3","1","1","1") = "6"
    & skf21("3","7","7","7","3","1","2","1") = "6"
    & skf21("3","7","7","7","3","1","3","1") = "6"
    & skf21("3","7","7","7","3","1","4","1") = "6"
    & skf21("3","7","7","7","3","1","5","1") = "6"
    & skf21("3","7","7","7","3","1","6","1") = "6"
    & skf21("3","7","7","7","3","1","7","1") = "6"
    & skf21("3","7","7","7","3","2","1","1") = "6"
    & skf21("3","7","7","7","3","2","2","1") = "6"
    & skf21("3","7","7","7","3","2","3","1") = "6"
    & skf21("3","7","7","7","3","2","4","1") = "6"
    & skf21("3","7","7","7","3","2","5","1") = "6"
    & skf21("3","7","7","7","3","2","6","1") = "6"
    & skf21("3","7","7","7","3","2","7","1") = "6"
    & skf21("3","7","7","7","3","3","1","1") = "6"
    & skf21("3","7","7","7","3","3","2","1") = "6"
    & skf21("3","7","7","7","3","3","3","1") = "6"
    & skf21("3","7","7","7","3","3","4","1") = "6"
    & skf21("3","7","7","7","3","3","5","1") = "6"
    & skf21("3","7","7","7","3","3","6","1") = "6"
    & skf21("3","7","7","7","3","3","7","1") = "6"
    & skf21("3","7","7","7","3","4","1","1") = "6"
    & skf21("3","7","7","7","3","4","2","1") = "6"
    & skf21("3","7","7","7","3","4","3","1") = "6"
    & skf21("3","7","7","7","3","4","4","1") = "6"
    & skf21("3","7","7","7","3","4","5","1") = "6"
    & skf21("3","7","7","7","3","4","6","1") = "6"
    & skf21("3","7","7","7","3","4","7","1") = "6"
    & skf21("3","7","7","7","3","5","1","1") = "6"
    & skf21("3","7","7","7","3","5","2","1") = "6"
    & skf21("3","7","7","7","3","5","3","1") = "6"
    & skf21("3","7","7","7","3","5","4","1") = "6"
    & skf21("3","7","7","7","3","5","5","1") = "6"
    & skf21("3","7","7","7","3","5","6","1") = "6"
    & skf21("3","7","7","7","3","5","7","1") = "6"
    & skf21("3","7","7","7","3","6","1","1") = "6"
    & skf21("3","7","7","7","3","6","2","1") = "6"
    & skf21("3","7","7","7","3","6","3","1") = "6"
    & skf21("3","7","7","7","3","6","4","1") = "6"
    & skf21("3","7","7","7","3","6","5","1") = "6"
    & skf21("3","7","7","7","3","6","6","1") = "6"
    & skf21("3","7","7","7","3","6","7","1") = "6"
    & skf21("3","7","7","7","3","7","1","1") = "6"
    & skf21("3","7","7","7","3","7","2","1") = "6"
    & skf21("3","7","7","7","3","7","3","1") = "6"
    & skf21("3","7","7","7","3","7","4","1") = "6"
    & skf21("3","7","7","7","3","7","5","1") = "6"
    & skf21("3","7","7","7","3","7","6","1") = "6"
    & skf21("3","7","7","7","3","7","7","1") = "6"
    & skf21("3","7","7","7","4","1","1","1") = "6"
    & skf21("3","7","7","7","4","1","2","1") = "6"
    & skf21("3","7","7","7","4","1","3","1") = "6"
    & skf21("3","7","7","7","4","1","4","1") = "6"
    & skf21("3","7","7","7","4","1","5","1") = "6"
    & skf21("3","7","7","7","4","1","6","1") = "6"
    & skf21("3","7","7","7","4","1","7","1") = "6"
    & skf21("3","7","7","7","4","2","1","1") = "6"
    & skf21("3","7","7","7","4","2","2","1") = "6"
    & skf21("3","7","7","7","4","2","3","1") = "6"
    & skf21("3","7","7","7","4","2","4","1") = "6"
    & skf21("3","7","7","7","4","2","5","1") = "6"
    & skf21("3","7","7","7","4","2","6","1") = "6"
    & skf21("3","7","7","7","4","2","7","1") = "6"
    & skf21("3","7","7","7","4","3","1","1") = "6"
    & skf21("3","7","7","7","4","3","2","1") = "6"
    & skf21("3","7","7","7","4","3","3","1") = "6"
    & skf21("3","7","7","7","4","3","4","1") = "6"
    & skf21("3","7","7","7","4","3","5","1") = "6"
    & skf21("3","7","7","7","4","3","6","1") = "6"
    & skf21("3","7","7","7","4","3","7","1") = "6"
    & skf21("3","7","7","7","4","4","1","1") = "6"
    & skf21("3","7","7","7","4","4","2","1") = "6"
    & skf21("3","7","7","7","4","4","3","1") = "6"
    & skf21("3","7","7","7","4","4","4","1") = "6"
    & skf21("3","7","7","7","4","4","5","1") = "6"
    & skf21("3","7","7","7","4","4","6","1") = "6"
    & skf21("3","7","7","7","4","4","7","1") = "6"
    & skf21("3","7","7","7","4","5","1","1") = "6"
    & skf21("3","7","7","7","4","5","2","1") = "6"
    & skf21("3","7","7","7","4","5","3","1") = "6"
    & skf21("3","7","7","7","4","5","4","1") = "6"
    & skf21("3","7","7","7","4","5","5","1") = "6"
    & skf21("3","7","7","7","4","5","6","1") = "6"
    & skf21("3","7","7","7","4","5","7","1") = "6"
    & skf21("3","7","7","7","4","6","1","1") = "6"
    & skf21("3","7","7","7","4","6","2","1") = "6"
    & skf21("3","7","7","7","4","6","3","1") = "6"
    & skf21("3","7","7","7","4","6","4","1") = "6"
    & skf21("3","7","7","7","4","6","5","1") = "6"
    & skf21("3","7","7","7","4","6","6","1") = "6"
    & skf21("3","7","7","7","4","6","7","1") = "6"
    & skf21("3","7","7","7","4","7","1","1") = "6"
    & skf21("3","7","7","7","4","7","2","1") = "6"
    & skf21("3","7","7","7","4","7","3","1") = "6"
    & skf21("3","7","7","7","4","7","4","1") = "6"
    & skf21("3","7","7","7","4","7","5","1") = "6"
    & skf21("3","7","7","7","4","7","6","1") = "6"
    & skf21("3","7","7","7","4","7","7","1") = "6"
    & skf21("3","7","7","7","5","1","1","1") = "6"
    & skf21("3","7","7","7","5","1","2","1") = "6"
    & skf21("3","7","7","7","5","1","3","1") = "6"
    & skf21("3","7","7","7","5","1","4","1") = "6"
    & skf21("3","7","7","7","5","1","5","1") = "6"
    & skf21("3","7","7","7","5","1","6","1") = "6"
    & skf21("3","7","7","7","5","1","7","1") = "6"
    & skf21("3","7","7","7","5","2","1","1") = "6"
    & skf21("3","7","7","7","5","2","2","1") = "6"
    & skf21("3","7","7","7","5","2","3","1") = "6"
    & skf21("3","7","7","7","5","2","4","1") = "6"
    & skf21("3","7","7","7","5","2","5","1") = "6"
    & skf21("3","7","7","7","5","2","6","1") = "6"
    & skf21("3","7","7","7","5","2","7","1") = "6"
    & skf21("3","7","7","7","5","3","1","1") = "6"
    & skf21("3","7","7","7","5","3","2","1") = "6"
    & skf21("3","7","7","7","5","3","3","1") = "6"
    & skf21("3","7","7","7","5","3","4","1") = "6"
    & skf21("3","7","7","7","5","3","5","1") = "6"
    & skf21("3","7","7","7","5","3","6","1") = "6"
    & skf21("3","7","7","7","5","3","7","1") = "6"
    & skf21("3","7","7","7","5","4","1","1") = "6"
    & skf21("3","7","7","7","5","4","2","1") = "6"
    & skf21("3","7","7","7","5","4","3","1") = "6"
    & skf21("3","7","7","7","5","4","4","1") = "6"
    & skf21("3","7","7","7","5","4","5","1") = "6"
    & skf21("3","7","7","7","5","4","6","1") = "6"
    & skf21("3","7","7","7","5","4","7","1") = "6"
    & skf21("3","7","7","7","5","5","1","1") = "6"
    & skf21("3","7","7","7","5","5","2","1") = "6"
    & skf21("3","7","7","7","5","5","3","1") = "6"
    & skf21("3","7","7","7","5","5","4","1") = "6"
    & skf21("3","7","7","7","5","5","5","1") = "6"
    & skf21("3","7","7","7","5","5","6","1") = "6"
    & skf21("3","7","7","7","5","5","7","1") = "6"
    & skf21("3","7","7","7","5","6","1","1") = "6"
    & skf21("3","7","7","7","5","6","2","1") = "6"
    & skf21("3","7","7","7","5","6","3","1") = "6"
    & skf21("3","7","7","7","5","6","4","1") = "6"
    & skf21("3","7","7","7","5","6","5","1") = "6"
    & skf21("3","7","7","7","5","6","6","1") = "6"
    & skf21("3","7","7","7","5","6","7","1") = "6"
    & skf21("3","7","7","7","5","7","1","1") = "6"
    & skf21("3","7","7","7","5","7","2","1") = "6"
    & skf21("3","7","7","7","5","7","3","1") = "6"
    & skf21("3","7","7","7","5","7","4","1") = "6"
    & skf21("3","7","7","7","5","7","5","1") = "6"
    & skf21("3","7","7","7","5","7","6","1") = "6"
    & skf21("3","7","7","7","5","7","7","1") = "6"
    & skf21("3","7","7","7","6","1","1","1") = "6"
    & skf21("3","7","7","7","6","1","2","1") = "6"
    & skf21("3","7","7","7","6","1","3","1") = "6"
    & skf21("3","7","7","7","6","1","4","1") = "6"
    & skf21("3","7","7","7","6","1","5","1") = "6"
    & skf21("3","7","7","7","6","1","6","1") = "6"
    & skf21("3","7","7","7","6","1","7","1") = "6"
    & skf21("3","7","7","7","6","2","1","1") = "6"
    & skf21("3","7","7","7","6","2","2","1") = "6"
    & skf21("3","7","7","7","6","2","3","1") = "6"
    & skf21("3","7","7","7","6","2","4","1") = "6"
    & skf21("3","7","7","7","6","2","5","1") = "6"
    & skf21("3","7","7","7","6","2","6","1") = "6"
    & skf21("3","7","7","7","6","2","7","1") = "6"
    & skf21("3","7","7","7","6","3","1","1") = "6"
    & skf21("3","7","7","7","6","3","2","1") = "6"
    & skf21("3","7","7","7","6","3","3","1") = "6"
    & skf21("3","7","7","7","6","3","4","1") = "6"
    & skf21("3","7","7","7","6","3","5","1") = "6"
    & skf21("3","7","7","7","6","3","6","1") = "6"
    & skf21("3","7","7","7","6","3","7","1") = "6"
    & skf21("3","7","7","7","6","4","1","1") = "6"
    & skf21("3","7","7","7","6","4","2","1") = "6"
    & skf21("3","7","7","7","6","4","3","1") = "6"
    & skf21("3","7","7","7","6","4","4","1") = "6"
    & skf21("3","7","7","7","6","4","5","1") = "6"
    & skf21("3","7","7","7","6","4","6","1") = "6"
    & skf21("3","7","7","7","6","4","7","1") = "6"
    & skf21("3","7","7","7","6","5","1","1") = "6"
    & skf21("3","7","7","7","6","5","2","1") = "6"
    & skf21("3","7","7","7","6","5","3","1") = "6"
    & skf21("3","7","7","7","6","5","4","1") = "6"
    & skf21("3","7","7","7","6","5","5","1") = "6"
    & skf21("3","7","7","7","6","5","6","1") = "6"
    & skf21("3","7","7","7","6","5","7","1") = "6"
    & skf21("3","7","7","7","6","6","1","1") = "6"
    & skf21("3","7","7","7","6","6","2","1") = "6"
    & skf21("3","7","7","7","6","6","3","1") = "6"
    & skf21("3","7","7","7","6","6","4","1") = "6"
    & skf21("3","7","7","7","6","6","5","1") = "6"
    & skf21("3","7","7","7","6","6","6","1") = "6"
    & skf21("3","7","7","7","6","6","7","1") = "6"
    & skf21("3","7","7","7","6","7","1","1") = "6"
    & skf21("3","7","7","7","6","7","2","1") = "6"
    & skf21("3","7","7","7","6","7","3","1") = "6"
    & skf21("3","7","7","7","6","7","4","1") = "6"
    & skf21("3","7","7","7","6","7","5","1") = "6"
    & skf21("3","7","7","7","6","7","6","1") = "6"
    & skf21("3","7","7","7","6","7","7","1") = "6"
    & skf21("3","7","7","7","7","1","1","1") = "6"
    & skf21("3","7","7","7","7","1","2","1") = "6"
    & skf21("3","7","7","7","7","1","3","1") = "6"
    & skf21("3","7","7","7","7","1","4","1") = "6"
    & skf21("3","7","7","7","7","1","5","1") = "6"
    & skf21("3","7","7","7","7","1","6","1") = "6"
    & skf21("3","7","7","7","7","1","7","1") = "6"
    & skf21("3","7","7","7","7","2","1","1") = "6"
    & skf21("3","7","7","7","7","2","2","1") = "6"
    & skf21("3","7","7","7","7","2","3","1") = "6"
    & skf21("3","7","7","7","7","2","4","1") = "6"
    & skf21("3","7","7","7","7","2","5","1") = "6"
    & skf21("3","7","7","7","7","2","6","1") = "6"
    & skf21("3","7","7","7","7","2","7","1") = "6"
    & skf21("3","7","7","7","7","3","1","1") = "6"
    & skf21("3","7","7","7","7","3","2","1") = "6"
    & skf21("3","7","7","7","7","3","3","1") = "6"
    & skf21("3","7","7","7","7","3","4","1") = "6"
    & skf21("3","7","7","7","7","3","5","1") = "6"
    & skf21("3","7","7","7","7","3","6","1") = "6"
    & skf21("3","7","7","7","7","3","7","1") = "6"
    & skf21("3","7","7","7","7","4","1","1") = "6"
    & skf21("3","7","7","7","7","4","2","1") = "6"
    & skf21("3","7","7","7","7","4","3","1") = "6"
    & skf21("3","7","7","7","7","4","4","1") = "6"
    & skf21("3","7","7","7","7","4","5","1") = "6"
    & skf21("3","7","7","7","7","4","6","1") = "6"
    & skf21("3","7","7","7","7","4","7","1") = "6"
    & skf21("3","7","7","7","7","5","1","1") = "6"
    & skf21("3","7","7","7","7","5","2","1") = "6"
    & skf21("3","7","7","7","7","5","3","1") = "6"
    & skf21("3","7","7","7","7","5","4","1") = "6"
    & skf21("3","7","7","7","7","5","5","1") = "6"
    & skf21("3","7","7","7","7","5","6","1") = "6"
    & skf21("3","7","7","7","7","5","7","1") = "6"
    & skf21("3","7","7","7","7","6","1","1") = "6"
    & skf21("3","7","7","7","7","6","2","1") = "6"
    & skf21("3","7","7","7","7","6","3","1") = "6"
    & skf21("3","7","7","7","7","6","4","1") = "6"
    & skf21("3","7","7","7","7","6","5","1") = "6"
    & skf21("3","7","7","7","7","6","6","1") = "6"
    & skf21("3","7","7","7","7","6","7","1") = "6"
    & skf21("3","7","7","7","7","7","1","1") = "6"
    & skf21("3","7","7","7","7","7","2","1") = "6"
    & skf21("3","7","7","7","7","7","3","1") = "6"
    & skf21("3","7","7","7","7","7","4","1") = "6"
    & skf21("3","7","7","7","7","7","5","1") = "6"
    & skf21("3","7","7","7","7","7","6","1") = "6"
    & skf21("3","7","7","7","7","7","7","1") = "6"
    & skf21("4","1","1","1","1","1","1","1") = "3"
    & skf21("4","1","1","1","1","1","2","1") = "3"
    & skf21("4","1","1","1","1","1","3","1") = "3"
    & skf21("4","1","1","1","1","1","4","1") = "3"
    & skf21("4","1","1","1","1","1","5","1") = "4"
    & skf21("4","1","1","1","1","1","6","1") = "5"
    & skf21("4","1","1","1","1","1","7","1") = "6"
    & skf21("4","1","1","1","1","2","1","1") = "3"
    & skf21("4","1","1","1","1","2","2","1") = "3"
    & skf21("4","1","1","1","1","2","3","1") = "3"
    & skf21("4","1","1","1","1","2","4","1") = "3"
    & skf21("4","1","1","1","1","2","5","1") = "4"
    & skf21("4","1","1","1","1","2","6","1") = "5"
    & skf21("4","1","1","1","1","2","7","1") = "6"
    & skf21("4","1","1","1","1","3","1","1") = "3"
    & skf21("4","1","1","1","1","3","2","1") = "3"
    & skf21("4","1","1","1","1","3","3","1") = "3"
    & skf21("4","1","1","1","1","3","4","1") = "3"
    & skf21("4","1","1","1","1","3","5","1") = "4"
    & skf21("4","1","1","1","1","3","6","1") = "5"
    & skf21("4","1","1","1","1","3","7","1") = "6"
    & skf21("4","1","1","1","1","4","1","1") = "3"
    & skf21("4","1","1","1","1","4","2","1") = "3"
    & skf21("4","1","1","1","1","4","3","1") = "3"
    & skf21("4","1","1","1","1","4","4","1") = "3"
    & skf21("4","1","1","1","1","4","5","1") = "4"
    & skf21("4","1","1","1","1","4","6","1") = "5"
    & skf21("4","1","1","1","1","4","7","1") = "6"
    & skf21("4","1","1","1","1","5","1","1") = "4"
    & skf21("4","1","1","1","1","5","2","1") = "4"
    & skf21("4","1","1","1","1","5","3","1") = "4"
    & skf21("4","1","1","1","1","5","4","1") = "4"
    & skf21("4","1","1","1","1","5","5","1") = "4"
    & skf21("4","1","1","1","1","5","6","1") = "5"
    & skf21("4","1","1","1","1","5","7","1") = "6"
    & skf21("4","1","1","1","1","6","1","1") = "5"
    & skf21("4","1","1","1","1","6","2","1") = "5"
    & skf21("4","1","1","1","1","6","3","1") = "5"
    & skf21("4","1","1","1","1","6","4","1") = "5"
    & skf21("4","1","1","1","1","6","5","1") = "5"
    & skf21("4","1","1","1","1","6","6","1") = "5"
    & skf21("4","1","1","1","1","6","7","1") = "6"
    & skf21("4","1","1","1","1","7","1","1") = "6"
    & skf21("4","1","1","1","1","7","2","1") = "6"
    & skf21("4","1","1","1","1","7","3","1") = "6"
    & skf21("4","1","1","1","1","7","4","1") = "6"
    & skf21("4","1","1","1","1","7","5","1") = "6"
    & skf21("4","1","1","1","1","7","6","1") = "6"
    & skf21("4","1","1","1","1","7","7","1") = "6"
    & skf21("4","1","1","1","2","1","1","1") = "3"
    & skf21("4","1","1","1","2","1","2","1") = "3"
    & skf21("4","1","1","1","2","1","3","1") = "3"
    & skf21("4","1","1","1","2","1","4","1") = "3"
    & skf21("4","1","1","1","2","1","5","1") = "4"
    & skf21("4","1","1","1","2","1","6","1") = "5"
    & skf21("4","1","1","1","2","1","7","1") = "6"
    & skf21("4","1","1","1","2","2","1","1") = "3"
    & skf21("4","1","1","1","2","2","2","1") = "3"
    & skf21("4","1","1","1","2","2","3","1") = "3"
    & skf21("4","1","1","1","2","2","4","1") = "3"
    & skf21("4","1","1","1","2","2","5","1") = "4"
    & skf21("4","1","1","1","2","2","6","1") = "5"
    & skf21("4","1","1","1","2","2","7","1") = "6"
    & skf21("4","1","1","1","2","3","1","1") = "3"
    & skf21("4","1","1","1","2","3","2","1") = "3"
    & skf21("4","1","1","1","2","3","3","1") = "3"
    & skf21("4","1","1","1","2","3","4","1") = "3"
    & skf21("4","1","1","1","2","3","5","1") = "4"
    & skf21("4","1","1","1","2","3","6","1") = "5"
    & skf21("4","1","1","1","2","3","7","1") = "6"
    & skf21("4","1","1","1","2","4","1","1") = "3"
    & skf21("4","1","1","1","2","4","2","1") = "3"
    & skf21("4","1","1","1","2","4","3","1") = "3"
    & skf21("4","1","1","1","2","4","4","1") = "3"
    & skf21("4","1","1","1","2","4","5","1") = "4"
    & skf21("4","1","1","1","2","4","6","1") = "5"
    & skf21("4","1","1","1","2","4","7","1") = "6"
    & skf21("4","1","1","1","2","5","1","1") = "4"
    & skf21("4","1","1","1","2","5","2","1") = "4"
    & skf21("4","1","1","1","2","5","3","1") = "4"
    & skf21("4","1","1","1","2","5","4","1") = "4"
    & skf21("4","1","1","1","2","5","5","1") = "4"
    & skf21("4","1","1","1","2","5","6","1") = "5"
    & skf21("4","1","1","1","2","5","7","1") = "6"
    & skf21("4","1","1","1","2","6","1","1") = "5"
    & skf21("4","1","1","1","2","6","2","1") = "5"
    & skf21("4","1","1","1","2","6","3","1") = "5"
    & skf21("4","1","1","1","2","6","4","1") = "5"
    & skf21("4","1","1","1","2","6","5","1") = "5"
    & skf21("4","1","1","1","2","6","6","1") = "5"
    & skf21("4","1","1","1","2","6","7","1") = "6"
    & skf21("4","1","1","1","2","7","1","1") = "6"
    & skf21("4","1","1","1","2","7","2","1") = "6"
    & skf21("4","1","1","1","2","7","3","1") = "6"
    & skf21("4","1","1","1","2","7","4","1") = "6"
    & skf21("4","1","1","1","2","7","5","1") = "6"
    & skf21("4","1","1","1","2","7","6","1") = "6"
    & skf21("4","1","1","1","2","7","7","1") = "6"
    & skf21("4","1","1","1","3","1","1","1") = "3"
    & skf21("4","1","1","1","3","1","2","1") = "3"
    & skf21("4","1","1","1","3","1","3","1") = "3"
    & skf21("4","1","1","1","3","1","4","1") = "3"
    & skf21("4","1","1","1","3","1","5","1") = "4"
    & skf21("4","1","1","1","3","1","6","1") = "5"
    & skf21("4","1","1","1","3","1","7","1") = "6"
    & skf21("4","1","1","1","3","2","1","1") = "3"
    & skf21("4","1","1","1","3","2","2","1") = "3"
    & skf21("4","1","1","1","3","2","3","1") = "3"
    & skf21("4","1","1","1","3","2","4","1") = "3"
    & skf21("4","1","1","1","3","2","5","1") = "4"
    & skf21("4","1","1","1","3","2","6","1") = "5"
    & skf21("4","1","1","1","3","2","7","1") = "6"
    & skf21("4","1","1","1","3","3","1","1") = "3"
    & skf21("4","1","1","1","3","3","2","1") = "3"
    & skf21("4","1","1","1","3","3","3","1") = "3"
    & skf21("4","1","1","1","3","3","4","1") = "3"
    & skf21("4","1","1","1","3","3","5","1") = "4"
    & skf21("4","1","1","1","3","3","6","1") = "5"
    & skf21("4","1","1","1","3","3","7","1") = "6"
    & skf21("4","1","1","1","3","4","1","1") = "3"
    & skf21("4","1","1","1","3","4","2","1") = "3"
    & skf21("4","1","1","1","3","4","3","1") = "3"
    & skf21("4","1","1","1","3","4","4","1") = "3"
    & skf21("4","1","1","1","3","4","5","1") = "4"
    & skf21("4","1","1","1","3","4","6","1") = "5"
    & skf21("4","1","1","1","3","4","7","1") = "6"
    & skf21("4","1","1","1","3","5","1","1") = "4"
    & skf21("4","1","1","1","3","5","2","1") = "4"
    & skf21("4","1","1","1","3","5","3","1") = "4"
    & skf21("4","1","1","1","3","5","4","1") = "4"
    & skf21("4","1","1","1","3","5","5","1") = "4"
    & skf21("4","1","1","1","3","5","6","1") = "5"
    & skf21("4","1","1","1","3","5","7","1") = "6"
    & skf21("4","1","1","1","3","6","1","1") = "5"
    & skf21("4","1","1","1","3","6","2","1") = "5"
    & skf21("4","1","1","1","3","6","3","1") = "5"
    & skf21("4","1","1","1","3","6","4","1") = "5"
    & skf21("4","1","1","1","3","6","5","1") = "5"
    & skf21("4","1","1","1","3","6","6","1") = "5"
    & skf21("4","1","1","1","3","6","7","1") = "6"
    & skf21("4","1","1","1","3","7","1","1") = "6"
    & skf21("4","1","1","1","3","7","2","1") = "6"
    & skf21("4","1","1","1","3","7","3","1") = "6"
    & skf21("4","1","1","1","3","7","4","1") = "6"
    & skf21("4","1","1","1","3","7","5","1") = "6"
    & skf21("4","1","1","1","3","7","6","1") = "6"
    & skf21("4","1","1","1","3","7","7","1") = "6"
    & skf21("4","1","1","1","4","1","1","1") = "3"
    & skf21("4","1","1","1","4","1","2","1") = "3"
    & skf21("4","1","1","1","4","1","3","1") = "3"
    & skf21("4","1","1","1","4","1","4","1") = "3"
    & skf21("4","1","1","1","4","1","5","1") = "4"
    & skf21("4","1","1","1","4","1","6","1") = "5"
    & skf21("4","1","1","1","4","1","7","1") = "6"
    & skf21("4","1","1","1","4","2","1","1") = "3"
    & skf21("4","1","1","1","4","2","2","1") = "3"
    & skf21("4","1","1","1","4","2","3","1") = "3"
    & skf21("4","1","1","1","4","2","4","1") = "3"
    & skf21("4","1","1","1","4","2","5","1") = "4"
    & skf21("4","1","1","1","4","2","6","1") = "5"
    & skf21("4","1","1","1","4","2","7","1") = "6"
    & skf21("4","1","1","1","4","3","1","1") = "3"
    & skf21("4","1","1","1","4","3","2","1") = "3"
    & skf21("4","1","1","1","4","3","3","1") = "3"
    & skf21("4","1","1","1","4","3","4","1") = "3"
    & skf21("4","1","1","1","4","3","5","1") = "4"
    & skf21("4","1","1","1","4","3","6","1") = "5"
    & skf21("4","1","1","1","4","3","7","1") = "6"
    & skf21("4","1","1","1","4","4","1","1") = "3"
    & skf21("4","1","1","1","4","4","2","1") = "3"
    & skf21("4","1","1","1","4","4","3","1") = "3"
    & skf21("4","1","1","1","4","4","4","1") = "3"
    & skf21("4","1","1","1","4","4","5","1") = "4"
    & skf21("4","1","1","1","4","4","6","1") = "5"
    & skf21("4","1","1","1","4","4","7","1") = "6"
    & skf21("4","1","1","1","4","5","1","1") = "4"
    & skf21("4","1","1","1","4","5","2","1") = "4"
    & skf21("4","1","1","1","4","5","3","1") = "4"
    & skf21("4","1","1","1","4","5","4","1") = "4"
    & skf21("4","1","1","1","4","5","5","1") = "4"
    & skf21("4","1","1","1","4","5","6","1") = "5"
    & skf21("4","1","1","1","4","5","7","1") = "6"
    & skf21("4","1","1","1","4","6","1","1") = "5"
    & skf21("4","1","1","1","4","6","2","1") = "5"
    & skf21("4","1","1","1","4","6","3","1") = "5"
    & skf21("4","1","1","1","4","6","4","1") = "5"
    & skf21("4","1","1","1","4","6","5","1") = "5"
    & skf21("4","1","1","1","4","6","6","1") = "5"
    & skf21("4","1","1","1","4","6","7","1") = "6"
    & skf21("4","1","1","1","4","7","1","1") = "6"
    & skf21("4","1","1","1","4","7","2","1") = "6"
    & skf21("4","1","1","1","4","7","3","1") = "6"
    & skf21("4","1","1","1","4","7","4","1") = "6"
    & skf21("4","1","1","1","4","7","5","1") = "6"
    & skf21("4","1","1","1","4","7","6","1") = "6"
    & skf21("4","1","1","1","4","7","7","1") = "6"
    & skf21("4","1","1","1","5","1","1","1") = "4"
    & skf21("4","1","1","1","5","1","2","1") = "4"
    & skf21("4","1","1","1","5","1","3","1") = "4"
    & skf21("4","1","1","1","5","1","4","1") = "4"
    & skf21("4","1","1","1","5","1","5","1") = "4"
    & skf21("4","1","1","1","5","1","6","1") = "5"
    & skf21("4","1","1","1","5","1","7","1") = "6"
    & skf21("4","1","1","1","5","2","1","1") = "4"
    & skf21("4","1","1","1","5","2","2","1") = "4"
    & skf21("4","1","1","1","5","2","3","1") = "4"
    & skf21("4","1","1","1","5","2","4","1") = "4"
    & skf21("4","1","1","1","5","2","5","1") = "4"
    & skf21("4","1","1","1","5","2","6","1") = "5"
    & skf21("4","1","1","1","5","2","7","1") = "6"
    & skf21("4","1","1","1","5","3","1","1") = "4"
    & skf21("4","1","1","1","5","3","2","1") = "4"
    & skf21("4","1","1","1","5","3","3","1") = "4"
    & skf21("4","1","1","1","5","3","4","1") = "4"
    & skf21("4","1","1","1","5","3","5","1") = "4"
    & skf21("4","1","1","1","5","3","6","1") = "5"
    & skf21("4","1","1","1","5","3","7","1") = "6"
    & skf21("4","1","1","1","5","4","1","1") = "4"
    & skf21("4","1","1","1","5","4","2","1") = "4"
    & skf21("4","1","1","1","5","4","3","1") = "4"
    & skf21("4","1","1","1","5","4","4","1") = "4"
    & skf21("4","1","1","1","5","4","5","1") = "4"
    & skf21("4","1","1","1","5","4","6","1") = "5"
    & skf21("4","1","1","1","5","4","7","1") = "6"
    & skf21("4","1","1","1","5","5","1","1") = "4"
    & skf21("4","1","1","1","5","5","2","1") = "4"
    & skf21("4","1","1","1","5","5","3","1") = "4"
    & skf21("4","1","1","1","5","5","4","1") = "4"
    & skf21("4","1","1","1","5","5","5","1") = "4"
    & skf21("4","1","1","1","5","5","6","1") = "5"
    & skf21("4","1","1","1","5","5","7","1") = "6"
    & skf21("4","1","1","1","5","6","1","1") = "5"
    & skf21("4","1","1","1","5","6","2","1") = "5"
    & skf21("4","1","1","1","5","6","3","1") = "5"
    & skf21("4","1","1","1","5","6","4","1") = "5"
    & skf21("4","1","1","1","5","6","5","1") = "5"
    & skf21("4","1","1","1","5","6","6","1") = "5"
    & skf21("4","1","1","1","5","6","7","1") = "6"
    & skf21("4","1","1","1","5","7","1","1") = "6"
    & skf21("4","1","1","1","5","7","2","1") = "6"
    & skf21("4","1","1","1","5","7","3","1") = "6"
    & skf21("4","1","1","1","5","7","4","1") = "6"
    & skf21("4","1","1","1","5","7","5","1") = "6"
    & skf21("4","1","1","1","5","7","6","1") = "6"
    & skf21("4","1","1","1","5","7","7","1") = "6"
    & skf21("4","1","1","1","6","1","1","1") = "5"
    & skf21("4","1","1","1","6","1","2","1") = "5"
    & skf21("4","1","1","1","6","1","3","1") = "5"
    & skf21("4","1","1","1","6","1","4","1") = "5"
    & skf21("4","1","1","1","6","1","5","1") = "5"
    & skf21("4","1","1","1","6","1","6","1") = "5"
    & skf21("4","1","1","1","6","1","7","1") = "6"
    & skf21("4","1","1","1","6","2","1","1") = "5"
    & skf21("4","1","1","1","6","2","2","1") = "5"
    & skf21("4","1","1","1","6","2","3","1") = "5"
    & skf21("4","1","1","1","6","2","4","1") = "5"
    & skf21("4","1","1","1","6","2","5","1") = "5"
    & skf21("4","1","1","1","6","2","6","1") = "5"
    & skf21("4","1","1","1","6","2","7","1") = "6"
    & skf21("4","1","1","1","6","3","1","1") = "5"
    & skf21("4","1","1","1","6","3","2","1") = "5"
    & skf21("4","1","1","1","6","3","3","1") = "5"
    & skf21("4","1","1","1","6","3","4","1") = "5"
    & skf21("4","1","1","1","6","3","5","1") = "5"
    & skf21("4","1","1","1","6","3","6","1") = "5"
    & skf21("4","1","1","1","6","3","7","1") = "6"
    & skf21("4","1","1","1","6","4","1","1") = "5"
    & skf21("4","1","1","1","6","4","2","1") = "5"
    & skf21("4","1","1","1","6","4","3","1") = "5"
    & skf21("4","1","1","1","6","4","4","1") = "5"
    & skf21("4","1","1","1","6","4","5","1") = "5"
    & skf21("4","1","1","1","6","4","6","1") = "5"
    & skf21("4","1","1","1","6","4","7","1") = "6"
    & skf21("4","1","1","1","6","5","1","1") = "5"
    & skf21("4","1","1","1","6","5","2","1") = "5"
    & skf21("4","1","1","1","6","5","3","1") = "5"
    & skf21("4","1","1","1","6","5","4","1") = "5"
    & skf21("4","1","1","1","6","5","5","1") = "5"
    & skf21("4","1","1","1","6","5","6","1") = "5"
    & skf21("4","1","1","1","6","5","7","1") = "6"
    & skf21("4","1","1","1","6","6","1","1") = "5"
    & skf21("4","1","1","1","6","6","2","1") = "5"
    & skf21("4","1","1","1","6","6","3","1") = "5"
    & skf21("4","1","1","1","6","6","4","1") = "5"
    & skf21("4","1","1","1","6","6","5","1") = "5"
    & skf21("4","1","1","1","6","6","6","1") = "5"
    & skf21("4","1","1","1","6","6","7","1") = "6"
    & skf21("4","1","1","1","6","7","1","1") = "6"
    & skf21("4","1","1","1","6","7","2","1") = "6"
    & skf21("4","1","1","1","6","7","3","1") = "6"
    & skf21("4","1","1","1","6","7","4","1") = "6"
    & skf21("4","1","1","1","6","7","5","1") = "6"
    & skf21("4","1","1","1","6","7","6","1") = "6"
    & skf21("4","1","1","1","6","7","7","1") = "6"
    & skf21("4","1","1","1","7","1","1","1") = "6"
    & skf21("4","1","1","1","7","1","2","1") = "6"
    & skf21("4","1","1","1","7","1","3","1") = "6"
    & skf21("4","1","1","1","7","1","4","1") = "6"
    & skf21("4","1","1","1","7","1","5","1") = "6"
    & skf21("4","1","1","1","7","1","6","1") = "6"
    & skf21("4","1","1","1","7","1","7","1") = "6"
    & skf21("4","1","1","1","7","2","1","1") = "6"
    & skf21("4","1","1","1","7","2","2","1") = "6"
    & skf21("4","1","1","1","7","2","3","1") = "6"
    & skf21("4","1","1","1","7","2","4","1") = "6"
    & skf21("4","1","1","1","7","2","5","1") = "6"
    & skf21("4","1","1","1","7","2","6","1") = "6"
    & skf21("4","1","1","1","7","2","7","1") = "6"
    & skf21("4","1","1","1","7","3","1","1") = "6"
    & skf21("4","1","1","1","7","3","2","1") = "6"
    & skf21("4","1","1","1","7","3","3","1") = "6"
    & skf21("4","1","1","1","7","3","4","1") = "6"
    & skf21("4","1","1","1","7","3","5","1") = "6"
    & skf21("4","1","1","1","7","3","6","1") = "6"
    & skf21("4","1","1","1","7","3","7","1") = "6"
    & skf21("4","1","1","1","7","4","1","1") = "6"
    & skf21("4","1","1","1","7","4","2","1") = "6"
    & skf21("4","1","1","1","7","4","3","1") = "6"
    & skf21("4","1","1","1","7","4","4","1") = "6"
    & skf21("4","1","1","1","7","4","5","1") = "6"
    & skf21("4","1","1","1","7","4","6","1") = "6"
    & skf21("4","1","1","1","7","4","7","1") = "6"
    & skf21("4","1","1","1","7","5","1","1") = "6"
    & skf21("4","1","1","1","7","5","2","1") = "6"
    & skf21("4","1","1","1","7","5","3","1") = "6"
    & skf21("4","1","1","1","7","5","4","1") = "6"
    & skf21("4","1","1","1","7","5","5","1") = "6"
    & skf21("4","1","1","1","7","5","6","1") = "6"
    & skf21("4","1","1","1","7","5","7","1") = "6"
    & skf21("4","1","1","1","7","6","1","1") = "6"
    & skf21("4","1","1","1","7","6","2","1") = "6"
    & skf21("4","1","1","1","7","6","3","1") = "6"
    & skf21("4","1","1","1","7","6","4","1") = "6"
    & skf21("4","1","1","1","7","6","5","1") = "6"
    & skf21("4","1","1","1","7","6","6","1") = "6"
    & skf21("4","1","1","1","7","6","7","1") = "6"
    & skf21("4","1","1","1","7","7","1","1") = "6"
    & skf21("4","1","1","1","7","7","2","1") = "6"
    & skf21("4","1","1","1","7","7","3","1") = "6"
    & skf21("4","1","1","1","7","7","4","1") = "6"
    & skf21("4","1","1","1","7","7","5","1") = "6"
    & skf21("4","1","1","1","7","7","6","1") = "6"
    & skf21("4","1","1","1","7","7","7","1") = "6"
    & skf21("4","1","1","2","1","1","1","1") = "3"
    & skf21("4","1","1","2","1","1","2","1") = "3"
    & skf21("4","1","1","2","1","1","3","1") = "3"
    & skf21("4","1","1","2","1","1","4","1") = "3"
    & skf21("4","1","1","2","1","1","5","1") = "4"
    & skf21("4","1","1","2","1","1","6","1") = "5"
    & skf21("4","1","1","2","1","1","7","1") = "6"
    & skf21("4","1","1","2","1","2","1","1") = "3"
    & skf21("4","1","1","2","1","2","2","1") = "3"
    & skf21("4","1","1","2","1","2","3","1") = "3"
    & skf21("4","1","1","2","1","2","4","1") = "3"
    & skf21("4","1","1","2","1","2","5","1") = "4"
    & skf21("4","1","1","2","1","2","6","1") = "5"
    & skf21("4","1","1","2","1","2","7","1") = "6"
    & skf21("4","1","1","2","1","3","1","1") = "3"
    & skf21("4","1","1","2","1","3","2","1") = "3"
    & skf21("4","1","1","2","1","3","3","1") = "3"
    & skf21("4","1","1","2","1","3","4","1") = "3"
    & skf21("4","1","1","2","1","3","5","1") = "4"
    & skf21("4","1","1","2","1","3","6","1") = "5"
    & skf21("4","1","1","2","1","3","7","1") = "6"
    & skf21("4","1","1","2","1","4","1","1") = "3"
    & skf21("4","1","1","2","1","4","2","1") = "3"
    & skf21("4","1","1","2","1","4","3","1") = "3"
    & skf21("4","1","1","2","1","4","4","1") = "3"
    & skf21("4","1","1","2","1","4","5","1") = "4"
    & skf21("4","1","1","2","1","4","6","1") = "5"
    & skf21("4","1","1","2","1","4","7","1") = "6"
    & skf21("4","1","1","2","1","5","1","1") = "4"
    & skf21("4","1","1","2","1","5","2","1") = "4"
    & skf21("4","1","1","2","1","5","3","1") = "4"
    & skf21("4","1","1","2","1","5","4","1") = "4"
    & skf21("4","1","1","2","1","5","5","1") = "4"
    & skf21("4","1","1","2","1","5","6","1") = "5"
    & skf21("4","1","1","2","1","5","7","1") = "6"
    & skf21("4","1","1","2","1","6","1","1") = "5"
    & skf21("4","1","1","2","1","6","2","1") = "5"
    & skf21("4","1","1","2","1","6","3","1") = "5"
    & skf21("4","1","1","2","1","6","4","1") = "5"
    & skf21("4","1","1","2","1","6","5","1") = "5"
    & skf21("4","1","1","2","1","6","6","1") = "5"
    & skf21("4","1","1","2","1","6","7","1") = "6"
    & skf21("4","1","1","2","1","7","1","1") = "6"
    & skf21("4","1","1","2","1","7","2","1") = "6"
    & skf21("4","1","1","2","1","7","3","1") = "6"
    & skf21("4","1","1","2","1","7","4","1") = "6"
    & skf21("4","1","1","2","1","7","5","1") = "6"
    & skf21("4","1","1","2","1","7","6","1") = "6"
    & skf21("4","1","1","2","1","7","7","1") = "6"
    & skf21("4","1","1","2","2","1","1","1") = "3"
    & skf21("4","1","1","2","2","1","2","1") = "3"
    & skf21("4","1","1","2","2","1","3","1") = "3"
    & skf21("4","1","1","2","2","1","4","1") = "3"
    & skf21("4","1","1","2","2","1","5","1") = "4"
    & skf21("4","1","1","2","2","1","6","1") = "5"
    & skf21("4","1","1","2","2","1","7","1") = "6"
    & skf21("4","1","1","2","2","2","1","1") = "3"
    & skf21("4","1","1","2","2","2","2","1") = "3"
    & skf21("4","1","1","2","2","2","3","1") = "3"
    & skf21("4","1","1","2","2","2","4","1") = "3"
    & skf21("4","1","1","2","2","2","5","1") = "4"
    & skf21("4","1","1","2","2","2","6","1") = "5"
    & skf21("4","1","1","2","2","2","7","1") = "6"
    & skf21("4","1","1","2","2","3","1","1") = "3"
    & skf21("4","1","1","2","2","3","2","1") = "3"
    & skf21("4","1","1","2","2","3","3","1") = "3"
    & skf21("4","1","1","2","2","3","4","1") = "3"
    & skf21("4","1","1","2","2","3","5","1") = "4"
    & skf21("4","1","1","2","2","3","6","1") = "5"
    & skf21("4","1","1","2","2","3","7","1") = "6"
    & skf21("4","1","1","2","2","4","1","1") = "3"
    & skf21("4","1","1","2","2","4","2","1") = "3"
    & skf21("4","1","1","2","2","4","3","1") = "3"
    & skf21("4","1","1","2","2","4","4","1") = "3"
    & skf21("4","1","1","2","2","4","5","1") = "4"
    & skf21("4","1","1","2","2","4","6","1") = "5"
    & skf21("4","1","1","2","2","4","7","1") = "6"
    & skf21("4","1","1","2","2","5","1","1") = "4"
    & skf21("4","1","1","2","2","5","2","1") = "4"
    & skf21("4","1","1","2","2","5","3","1") = "4"
    & skf21("4","1","1","2","2","5","4","1") = "4"
    & skf21("4","1","1","2","2","5","5","1") = "4"
    & skf21("4","1","1","2","2","5","6","1") = "5"
    & skf21("4","1","1","2","2","5","7","1") = "6"
    & skf21("4","1","1","2","2","6","1","1") = "5"
    & skf21("4","1","1","2","2","6","2","1") = "5"
    & skf21("4","1","1","2","2","6","3","1") = "5"
    & skf21("4","1","1","2","2","6","4","1") = "5"
    & skf21("4","1","1","2","2","6","5","1") = "5"
    & skf21("4","1","1","2","2","6","6","1") = "5"
    & skf21("4","1","1","2","2","6","7","1") = "6"
    & skf21("4","1","1","2","2","7","1","1") = "6"
    & skf21("4","1","1","2","2","7","2","1") = "6"
    & skf21("4","1","1","2","2","7","3","1") = "6"
    & skf21("4","1","1","2","2","7","4","1") = "6"
    & skf21("4","1","1","2","2","7","5","1") = "6"
    & skf21("4","1","1","2","2","7","6","1") = "6"
    & skf21("4","1","1","2","2","7","7","1") = "6"
    & skf21("4","1","1","2","3","1","1","1") = "3"
    & skf21("4","1","1","2","3","1","2","1") = "3"
    & skf21("4","1","1","2","3","1","3","1") = "3"
    & skf21("4","1","1","2","3","1","4","1") = "3"
    & skf21("4","1","1","2","3","1","5","1") = "4"
    & skf21("4","1","1","2","3","1","6","1") = "5"
    & skf21("4","1","1","2","3","1","7","1") = "6"
    & skf21("4","1","1","2","3","2","1","1") = "3"
    & skf21("4","1","1","2","3","2","2","1") = "3"
    & skf21("4","1","1","2","3","2","3","1") = "3"
    & skf21("4","1","1","2","3","2","4","1") = "3"
    & skf21("4","1","1","2","3","2","5","1") = "4"
    & skf21("4","1","1","2","3","2","6","1") = "5"
    & skf21("4","1","1","2","3","2","7","1") = "6"
    & skf21("4","1","1","2","3","3","1","1") = "3"
    & skf21("4","1","1","2","3","3","2","1") = "3"
    & skf21("4","1","1","2","3","3","3","1") = "3"
    & skf21("4","1","1","2","3","3","4","1") = "3"
    & skf21("4","1","1","2","3","3","5","1") = "4"
    & skf21("4","1","1","2","3","3","6","1") = "5"
    & skf21("4","1","1","2","3","3","7","1") = "6"
    & skf21("4","1","1","2","3","4","1","1") = "3"
    & skf21("4","1","1","2","3","4","2","1") = "3"
    & skf21("4","1","1","2","3","4","3","1") = "3"
    & skf21("4","1","1","2","3","4","4","1") = "3"
    & skf21("4","1","1","2","3","4","5","1") = "4"
    & skf21("4","1","1","2","3","4","6","1") = "5"
    & skf21("4","1","1","2","3","4","7","1") = "6"
    & skf21("4","1","1","2","3","5","1","1") = "4"
    & skf21("4","1","1","2","3","5","2","1") = "4"
    & skf21("4","1","1","2","3","5","3","1") = "4"
    & skf21("4","1","1","2","3","5","4","1") = "4"
    & skf21("4","1","1","2","3","5","5","1") = "4"
    & skf21("4","1","1","2","3","5","6","1") = "5"
    & skf21("4","1","1","2","3","5","7","1") = "6"
    & skf21("4","1","1","2","3","6","1","1") = "5"
    & skf21("4","1","1","2","3","6","2","1") = "5"
    & skf21("4","1","1","2","3","6","3","1") = "5"
    & skf21("4","1","1","2","3","6","4","1") = "5"
    & skf21("4","1","1","2","3","6","5","1") = "5"
    & skf21("4","1","1","2","3","6","6","1") = "5"
    & skf21("4","1","1","2","3","6","7","1") = "6"
    & skf21("4","1","1","2","3","7","1","1") = "6"
    & skf21("4","1","1","2","3","7","2","1") = "6"
    & skf21("4","1","1","2","3","7","3","1") = "6"
    & skf21("4","1","1","2","3","7","4","1") = "6"
    & skf21("4","1","1","2","3","7","5","1") = "6"
    & skf21("4","1","1","2","3","7","6","1") = "6"
    & skf21("4","1","1","2","3","7","7","1") = "6"
    & skf21("4","1","1","2","4","1","1","1") = "3"
    & skf21("4","1","1","2","4","1","2","1") = "3"
    & skf21("4","1","1","2","4","1","3","1") = "3"
    & skf21("4","1","1","2","4","1","4","1") = "3"
    & skf21("4","1","1","2","4","1","5","1") = "4"
    & skf21("4","1","1","2","4","1","6","1") = "5"
    & skf21("4","1","1","2","4","1","7","1") = "6"
    & skf21("4","1","1","2","4","2","1","1") = "3"
    & skf21("4","1","1","2","4","2","2","1") = "3"
    & skf21("4","1","1","2","4","2","3","1") = "3"
    & skf21("4","1","1","2","4","2","4","1") = "3"
    & skf21("4","1","1","2","4","2","5","1") = "4"
    & skf21("4","1","1","2","4","2","6","1") = "5"
    & skf21("4","1","1","2","4","2","7","1") = "6"
    & skf21("4","1","1","2","4","3","1","1") = "3"
    & skf21("4","1","1","2","4","3","2","1") = "3"
    & skf21("4","1","1","2","4","3","3","1") = "3"
    & skf21("4","1","1","2","4","3","4","1") = "3"
    & skf21("4","1","1","2","4","3","5","1") = "4"
    & skf21("4","1","1","2","4","3","6","1") = "5"
    & skf21("4","1","1","2","4","3","7","1") = "6"
    & skf21("4","1","1","2","4","4","1","1") = "3"
    & skf21("4","1","1","2","4","4","2","1") = "3"
    & skf21("4","1","1","2","4","4","3","1") = "3"
    & skf21("4","1","1","2","4","4","4","1") = "3"
    & skf21("4","1","1","2","4","4","5","1") = "4"
    & skf21("4","1","1","2","4","4","6","1") = "5"
    & skf21("4","1","1","2","4","4","7","1") = "6"
    & skf21("4","1","1","2","4","5","1","1") = "4"
    & skf21("4","1","1","2","4","5","2","1") = "4"
    & skf21("4","1","1","2","4","5","3","1") = "4"
    & skf21("4","1","1","2","4","5","4","1") = "4"
    & skf21("4","1","1","2","4","5","5","1") = "4"
    & skf21("4","1","1","2","4","5","6","1") = "5"
    & skf21("4","1","1","2","4","5","7","1") = "6"
    & skf21("4","1","1","2","4","6","1","1") = "5"
    & skf21("4","1","1","2","4","6","2","1") = "5"
    & skf21("4","1","1","2","4","6","3","1") = "5"
    & skf21("4","1","1","2","4","6","4","1") = "5"
    & skf21("4","1","1","2","4","6","5","1") = "5"
    & skf21("4","1","1","2","4","6","6","1") = "5"
    & skf21("4","1","1","2","4","6","7","1") = "6"
    & skf21("4","1","1","2","4","7","1","1") = "6"
    & skf21("4","1","1","2","4","7","2","1") = "6"
    & skf21("4","1","1","2","4","7","3","1") = "6"
    & skf21("4","1","1","2","4","7","4","1") = "6"
    & skf21("4","1","1","2","4","7","5","1") = "6"
    & skf21("4","1","1","2","4","7","6","1") = "6"
    & skf21("4","1","1","2","4","7","7","1") = "6"
    & skf21("4","1","1","2","5","1","1","1") = "4"
    & skf21("4","1","1","2","5","1","2","1") = "4"
    & skf21("4","1","1","2","5","1","3","1") = "4"
    & skf21("4","1","1","2","5","1","4","1") = "4"
    & skf21("4","1","1","2","5","1","5","1") = "4"
    & skf21("4","1","1","2","5","1","6","1") = "5"
    & skf21("4","1","1","2","5","1","7","1") = "6"
    & skf21("4","1","1","2","5","2","1","1") = "4"
    & skf21("4","1","1","2","5","2","2","1") = "4"
    & skf21("4","1","1","2","5","2","3","1") = "4"
    & skf21("4","1","1","2","5","2","4","1") = "4"
    & skf21("4","1","1","2","5","2","5","1") = "4"
    & skf21("4","1","1","2","5","2","6","1") = "5"
    & skf21("4","1","1","2","5","2","7","1") = "6"
    & skf21("4","1","1","2","5","3","1","1") = "4"
    & skf21("4","1","1","2","5","3","2","1") = "4"
    & skf21("4","1","1","2","5","3","3","1") = "4"
    & skf21("4","1","1","2","5","3","4","1") = "4"
    & skf21("4","1","1","2","5","3","5","1") = "4"
    & skf21("4","1","1","2","5","3","6","1") = "5"
    & skf21("4","1","1","2","5","3","7","1") = "6"
    & skf21("4","1","1","2","5","4","1","1") = "4"
    & skf21("4","1","1","2","5","4","2","1") = "4"
    & skf21("4","1","1","2","5","4","3","1") = "4"
    & skf21("4","1","1","2","5","4","4","1") = "4"
    & skf21("4","1","1","2","5","4","5","1") = "4"
    & skf21("4","1","1","2","5","4","6","1") = "5"
    & skf21("4","1","1","2","5","4","7","1") = "6"
    & skf21("4","1","1","2","5","5","1","1") = "4"
    & skf21("4","1","1","2","5","5","2","1") = "4"
    & skf21("4","1","1","2","5","5","3","1") = "4"
    & skf21("4","1","1","2","5","5","4","1") = "4"
    & skf21("4","1","1","2","5","5","5","1") = "4"
    & skf21("4","1","1","2","5","5","6","1") = "5"
    & skf21("4","1","1","2","5","5","7","1") = "6"
    & skf21("4","1","1","2","5","6","1","1") = "5"
    & skf21("4","1","1","2","5","6","2","1") = "5"
    & skf21("4","1","1","2","5","6","3","1") = "5"
    & skf21("4","1","1","2","5","6","4","1") = "5"
    & skf21("4","1","1","2","5","6","5","1") = "5"
    & skf21("4","1","1","2","5","6","6","1") = "5"
    & skf21("4","1","1","2","5","6","7","1") = "6"
    & skf21("4","1","1","2","5","7","1","1") = "6"
    & skf21("4","1","1","2","5","7","2","1") = "6"
    & skf21("4","1","1","2","5","7","3","1") = "6"
    & skf21("4","1","1","2","5","7","4","1") = "6"
    & skf21("4","1","1","2","5","7","5","1") = "6"
    & skf21("4","1","1","2","5","7","6","1") = "6"
    & skf21("4","1","1","2","5","7","7","1") = "6"
    & skf21("4","1","1","2","6","1","1","1") = "5"
    & skf21("4","1","1","2","6","1","2","1") = "5"
    & skf21("4","1","1","2","6","1","3","1") = "5"
    & skf21("4","1","1","2","6","1","4","1") = "5"
    & skf21("4","1","1","2","6","1","5","1") = "5"
    & skf21("4","1","1","2","6","1","6","1") = "5"
    & skf21("4","1","1","2","6","1","7","1") = "6"
    & skf21("4","1","1","2","6","2","1","1") = "5"
    & skf21("4","1","1","2","6","2","2","1") = "5"
    & skf21("4","1","1","2","6","2","3","1") = "5"
    & skf21("4","1","1","2","6","2","4","1") = "5"
    & skf21("4","1","1","2","6","2","5","1") = "5"
    & skf21("4","1","1","2","6","2","6","1") = "5"
    & skf21("4","1","1","2","6","2","7","1") = "6"
    & skf21("4","1","1","2","6","3","1","1") = "5"
    & skf21("4","1","1","2","6","3","2","1") = "5"
    & skf21("4","1","1","2","6","3","3","1") = "5"
    & skf21("4","1","1","2","6","3","4","1") = "5"
    & skf21("4","1","1","2","6","3","5","1") = "5"
    & skf21("4","1","1","2","6","3","6","1") = "5"
    & skf21("4","1","1","2","6","3","7","1") = "6"
    & skf21("4","1","1","2","6","4","1","1") = "5"
    & skf21("4","1","1","2","6","4","2","1") = "5"
    & skf21("4","1","1","2","6","4","3","1") = "5"
    & skf21("4","1","1","2","6","4","4","1") = "5"
    & skf21("4","1","1","2","6","4","5","1") = "5"
    & skf21("4","1","1","2","6","4","6","1") = "5"
    & skf21("4","1","1","2","6","4","7","1") = "6"
    & skf21("4","1","1","2","6","5","1","1") = "5"
    & skf21("4","1","1","2","6","5","2","1") = "5"
    & skf21("4","1","1","2","6","5","3","1") = "5"
    & skf21("4","1","1","2","6","5","4","1") = "5"
    & skf21("4","1","1","2","6","5","5","1") = "5"
    & skf21("4","1","1","2","6","5","6","1") = "5"
    & skf21("4","1","1","2","6","5","7","1") = "6"
    & skf21("4","1","1","2","6","6","1","1") = "5"
    & skf21("4","1","1","2","6","6","2","1") = "5"
    & skf21("4","1","1","2","6","6","3","1") = "5"
    & skf21("4","1","1","2","6","6","4","1") = "5"
    & skf21("4","1","1","2","6","6","5","1") = "5"
    & skf21("4","1","1","2","6","6","6","1") = "5"
    & skf21("4","1","1","2","6","6","7","1") = "6"
    & skf21("4","1","1","2","6","7","1","1") = "6"
    & skf21("4","1","1","2","6","7","2","1") = "6"
    & skf21("4","1","1","2","6","7","3","1") = "6"
    & skf21("4","1","1","2","6","7","4","1") = "6"
    & skf21("4","1","1","2","6","7","5","1") = "6"
    & skf21("4","1","1","2","6","7","6","1") = "6"
    & skf21("4","1","1","2","6","7","7","1") = "6"
    & skf21("4","1","1","2","7","1","1","1") = "6"
    & skf21("4","1","1","2","7","1","2","1") = "6"
    & skf21("4","1","1","2","7","1","3","1") = "6"
    & skf21("4","1","1","2","7","1","4","1") = "6"
    & skf21("4","1","1","2","7","1","5","1") = "6"
    & skf21("4","1","1","2","7","1","6","1") = "6"
    & skf21("4","1","1","2","7","1","7","1") = "6"
    & skf21("4","1","1","2","7","2","1","1") = "6"
    & skf21("4","1","1","2","7","2","2","1") = "6"
    & skf21("4","1","1","2","7","2","3","1") = "6"
    & skf21("4","1","1","2","7","2","4","1") = "6"
    & skf21("4","1","1","2","7","2","5","1") = "6"
    & skf21("4","1","1","2","7","2","6","1") = "6"
    & skf21("4","1","1","2","7","2","7","1") = "6"
    & skf21("4","1","1","2","7","3","1","1") = "6"
    & skf21("4","1","1","2","7","3","2","1") = "6"
    & skf21("4","1","1","2","7","3","3","1") = "6"
    & skf21("4","1","1","2","7","3","4","1") = "6"
    & skf21("4","1","1","2","7","3","5","1") = "6"
    & skf21("4","1","1","2","7","3","6","1") = "6"
    & skf21("4","1","1","2","7","3","7","1") = "6"
    & skf21("4","1","1","2","7","4","1","1") = "6"
    & skf21("4","1","1","2","7","4","2","1") = "6"
    & skf21("4","1","1","2","7","4","3","1") = "6"
    & skf21("4","1","1","2","7","4","4","1") = "6"
    & skf21("4","1","1","2","7","4","5","1") = "6"
    & skf21("4","1","1","2","7","4","6","1") = "6"
    & skf21("4","1","1","2","7","4","7","1") = "6"
    & skf21("4","1","1","2","7","5","1","1") = "6"
    & skf21("4","1","1","2","7","5","2","1") = "6"
    & skf21("4","1","1","2","7","5","3","1") = "6"
    & skf21("4","1","1","2","7","5","4","1") = "6"
    & skf21("4","1","1","2","7","5","5","1") = "6"
    & skf21("4","1","1","2","7","5","6","1") = "6"
    & skf21("4","1","1","2","7","5","7","1") = "6"
    & skf21("4","1","1","2","7","6","1","1") = "6"
    & skf21("4","1","1","2","7","6","2","1") = "6"
    & skf21("4","1","1","2","7","6","3","1") = "6"
    & skf21("4","1","1","2","7","6","4","1") = "6"
    & skf21("4","1","1","2","7","6","5","1") = "6"
    & skf21("4","1","1","2","7","6","6","1") = "6"
    & skf21("4","1","1","2","7","6","7","1") = "6"
    & skf21("4","1","1","2","7","7","1","1") = "6"
    & skf21("4","1","1","2","7","7","2","1") = "6"
    & skf21("4","1","1","2","7","7","3","1") = "6"
    & skf21("4","1","1","2","7","7","4","1") = "6"
    & skf21("4","1","1","2","7","7","5","1") = "6"
    & skf21("4","1","1","2","7","7","6","1") = "6"
    & skf21("4","1","1","2","7","7","7","1") = "6"
    & skf21("4","1","1","3","1","1","1","1") = "3"
    & skf21("4","1","1","3","1","1","2","1") = "3"
    & skf21("4","1","1","3","1","1","3","1") = "3"
    & skf21("4","1","1","3","1","1","4","1") = "3"
    & skf21("4","1","1","3","1","1","5","1") = "4"
    & skf21("4","1","1","3","1","1","6","1") = "5"
    & skf21("4","1","1","3","1","1","7","1") = "6"
    & skf21("4","1","1","3","1","2","1","1") = "3"
    & skf21("4","1","1","3","1","2","2","1") = "3"
    & skf21("4","1","1","3","1","2","3","1") = "3"
    & skf21("4","1","1","3","1","2","4","1") = "3"
    & skf21("4","1","1","3","1","2","5","1") = "4"
    & skf21("4","1","1","3","1","2","6","1") = "5"
    & skf21("4","1","1","3","1","2","7","1") = "6"
    & skf21("4","1","1","3","1","3","1","1") = "3"
    & skf21("4","1","1","3","1","3","2","1") = "3"
    & skf21("4","1","1","3","1","3","3","1") = "3"
    & skf21("4","1","1","3","1","3","4","1") = "3"
    & skf21("4","1","1","3","1","3","5","1") = "4"
    & skf21("4","1","1","3","1","3","6","1") = "5"
    & skf21("4","1","1","3","1","3","7","1") = "6"
    & skf21("4","1","1","3","1","4","1","1") = "3"
    & skf21("4","1","1","3","1","4","2","1") = "3"
    & skf21("4","1","1","3","1","4","3","1") = "3"
    & skf21("4","1","1","3","1","4","4","1") = "3"
    & skf21("4","1","1","3","1","4","5","1") = "4"
    & skf21("4","1","1","3","1","4","6","1") = "5"
    & skf21("4","1","1","3","1","4","7","1") = "6"
    & skf21("4","1","1","3","1","5","1","1") = "4"
    & skf21("4","1","1","3","1","5","2","1") = "4"
    & skf21("4","1","1","3","1","5","3","1") = "4"
    & skf21("4","1","1","3","1","5","4","1") = "4"
    & skf21("4","1","1","3","1","5","5","1") = "4"
    & skf21("4","1","1","3","1","5","6","1") = "5"
    & skf21("4","1","1","3","1","5","7","1") = "6"
    & skf21("4","1","1","3","1","6","1","1") = "5"
    & skf21("4","1","1","3","1","6","2","1") = "5"
    & skf21("4","1","1","3","1","6","3","1") = "5"
    & skf21("4","1","1","3","1","6","4","1") = "5"
    & skf21("4","1","1","3","1","6","5","1") = "5"
    & skf21("4","1","1","3","1","6","6","1") = "5"
    & skf21("4","1","1","3","1","6","7","1") = "6"
    & skf21("4","1","1","3","1","7","1","1") = "6"
    & skf21("4","1","1","3","1","7","2","1") = "6"
    & skf21("4","1","1","3","1","7","3","1") = "6"
    & skf21("4","1","1","3","1","7","4","1") = "6"
    & skf21("4","1","1","3","1","7","5","1") = "6"
    & skf21("4","1","1","3","1","7","6","1") = "6"
    & skf21("4","1","1","3","1","7","7","1") = "6"
    & skf21("4","1","1","3","2","1","1","1") = "3"
    & skf21("4","1","1","3","2","1","2","1") = "3"
    & skf21("4","1","1","3","2","1","3","1") = "3"
    & skf21("4","1","1","3","2","1","4","1") = "3"
    & skf21("4","1","1","3","2","1","5","1") = "4"
    & skf21("4","1","1","3","2","1","6","1") = "5"
    & skf21("4","1","1","3","2","1","7","1") = "6"
    & skf21("4","1","1","3","2","2","1","1") = "3"
    & skf21("4","1","1","3","2","2","2","1") = "3"
    & skf21("4","1","1","3","2","2","3","1") = "3"
    & skf21("4","1","1","3","2","2","4","1") = "3"
    & skf21("4","1","1","3","2","2","5","1") = "4"
    & skf21("4","1","1","3","2","2","6","1") = "5"
    & skf21("4","1","1","3","2","2","7","1") = "6"
    & skf21("4","1","1","3","2","3","1","1") = "3"
    & skf21("4","1","1","3","2","3","2","1") = "3"
    & skf21("4","1","1","3","2","3","3","1") = "3"
    & skf21("4","1","1","3","2","3","4","1") = "3"
    & skf21("4","1","1","3","2","3","5","1") = "4"
    & skf21("4","1","1","3","2","3","6","1") = "5"
    & skf21("4","1","1","3","2","3","7","1") = "6"
    & skf21("4","1","1","3","2","4","1","1") = "3"
    & skf21("4","1","1","3","2","4","2","1") = "3"
    & skf21("4","1","1","3","2","4","3","1") = "3"
    & skf21("4","1","1","3","2","4","4","1") = "3"
    & skf21("4","1","1","3","2","4","5","1") = "4"
    & skf21("4","1","1","3","2","4","6","1") = "5"
    & skf21("4","1","1","3","2","4","7","1") = "6"
    & skf21("4","1","1","3","2","5","1","1") = "4"
    & skf21("4","1","1","3","2","5","2","1") = "4"
    & skf21("4","1","1","3","2","5","3","1") = "4"
    & skf21("4","1","1","3","2","5","4","1") = "4"
    & skf21("4","1","1","3","2","5","5","1") = "4"
    & skf21("4","1","1","3","2","5","6","1") = "5"
    & skf21("4","1","1","3","2","5","7","1") = "6"
    & skf21("4","1","1","3","2","6","1","1") = "5"
    & skf21("4","1","1","3","2","6","2","1") = "5"
    & skf21("4","1","1","3","2","6","3","1") = "5"
    & skf21("4","1","1","3","2","6","4","1") = "5"
    & skf21("4","1","1","3","2","6","5","1") = "5"
    & skf21("4","1","1","3","2","6","6","1") = "5"
    & skf21("4","1","1","3","2","6","7","1") = "6"
    & skf21("4","1","1","3","2","7","1","1") = "6"
    & skf21("4","1","1","3","2","7","2","1") = "6"
    & skf21("4","1","1","3","2","7","3","1") = "6"
    & skf21("4","1","1","3","2","7","4","1") = "6"
    & skf21("4","1","1","3","2","7","5","1") = "6"
    & skf21("4","1","1","3","2","7","6","1") = "6"
    & skf21("4","1","1","3","2","7","7","1") = "6"
    & skf21("4","1","1","3","3","1","1","1") = "3"
    & skf21("4","1","1","3","3","1","2","1") = "3"
    & skf21("4","1","1","3","3","1","3","1") = "3"
    & skf21("4","1","1","3","3","1","4","1") = "3"
    & skf21("4","1","1","3","3","1","5","1") = "4"
    & skf21("4","1","1","3","3","1","6","1") = "5"
    & skf21("4","1","1","3","3","1","7","1") = "6"
    & skf21("4","1","1","3","3","2","1","1") = "3"
    & skf21("4","1","1","3","3","2","2","1") = "3"
    & skf21("4","1","1","3","3","2","3","1") = "3"
    & skf21("4","1","1","3","3","2","4","1") = "3"
    & skf21("4","1","1","3","3","2","5","1") = "4"
    & skf21("4","1","1","3","3","2","6","1") = "5"
    & skf21("4","1","1","3","3","2","7","1") = "6"
    & skf21("4","1","1","3","3","3","1","1") = "3"
    & skf21("4","1","1","3","3","3","2","1") = "3"
    & skf21("4","1","1","3","3","3","3","1") = "3"
    & skf21("4","1","1","3","3","3","4","1") = "3"
    & skf21("4","1","1","3","3","3","5","1") = "4"
    & skf21("4","1","1","3","3","3","6","1") = "5"
    & skf21("4","1","1","3","3","3","7","1") = "6"
    & skf21("4","1","1","3","3","4","1","1") = "3"
    & skf21("4","1","1","3","3","4","2","1") = "3"
    & skf21("4","1","1","3","3","4","3","1") = "3"
    & skf21("4","1","1","3","3","4","4","1") = "3"
    & skf21("4","1","1","3","3","4","5","1") = "4"
    & skf21("4","1","1","3","3","4","6","1") = "5"
    & skf21("4","1","1","3","3","4","7","1") = "6"
    & skf21("4","1","1","3","3","5","1","1") = "4"
    & skf21("4","1","1","3","3","5","2","1") = "4"
    & skf21("4","1","1","3","3","5","3","1") = "4"
    & skf21("4","1","1","3","3","5","4","1") = "4"
    & skf21("4","1","1","3","3","5","5","1") = "4"
    & skf21("4","1","1","3","3","5","6","1") = "5"
    & skf21("4","1","1","3","3","5","7","1") = "6"
    & skf21("4","1","1","3","3","6","1","1") = "5"
    & skf21("4","1","1","3","3","6","2","1") = "5"
    & skf21("4","1","1","3","3","6","3","1") = "5"
    & skf21("4","1","1","3","3","6","4","1") = "5"
    & skf21("4","1","1","3","3","6","5","1") = "5"
    & skf21("4","1","1","3","3","6","6","1") = "5"
    & skf21("4","1","1","3","3","6","7","1") = "6"
    & skf21("4","1","1","3","3","7","1","1") = "6"
    & skf21("4","1","1","3","3","7","2","1") = "6"
    & skf21("4","1","1","3","3","7","3","1") = "6"
    & skf21("4","1","1","3","3","7","4","1") = "6"
    & skf21("4","1","1","3","3","7","5","1") = "6"
    & skf21("4","1","1","3","3","7","6","1") = "6"
    & skf21("4","1","1","3","3","7","7","1") = "6"
    & skf21("4","1","1","3","4","1","1","1") = "3"
    & skf21("4","1","1","3","4","1","2","1") = "3"
    & skf21("4","1","1","3","4","1","3","1") = "3"
    & skf21("4","1","1","3","4","1","4","1") = "3"
    & skf21("4","1","1","3","4","1","5","1") = "4"
    & skf21("4","1","1","3","4","1","6","1") = "5"
    & skf21("4","1","1","3","4","1","7","1") = "6"
    & skf21("4","1","1","3","4","2","1","1") = "3"
    & skf21("4","1","1","3","4","2","2","1") = "3"
    & skf21("4","1","1","3","4","2","3","1") = "3"
    & skf21("4","1","1","3","4","2","4","1") = "3"
    & skf21("4","1","1","3","4","2","5","1") = "4"
    & skf21("4","1","1","3","4","2","6","1") = "5"
    & skf21("4","1","1","3","4","2","7","1") = "6"
    & skf21("4","1","1","3","4","3","1","1") = "3"
    & skf21("4","1","1","3","4","3","2","1") = "3"
    & skf21("4","1","1","3","4","3","3","1") = "3"
    & skf21("4","1","1","3","4","3","4","1") = "3"
    & skf21("4","1","1","3","4","3","5","1") = "4"
    & skf21("4","1","1","3","4","3","6","1") = "5"
    & skf21("4","1","1","3","4","3","7","1") = "6"
    & skf21("4","1","1","3","4","4","1","1") = "3"
    & skf21("4","1","1","3","4","4","2","1") = "3"
    & skf21("4","1","1","3","4","4","3","1") = "3"
    & skf21("4","1","1","3","4","4","4","1") = "3"
    & skf21("4","1","1","3","4","4","5","1") = "4"
    & skf21("4","1","1","3","4","4","6","1") = "5"
    & skf21("4","1","1","3","4","4","7","1") = "6"
    & skf21("4","1","1","3","4","5","1","1") = "4"
    & skf21("4","1","1","3","4","5","2","1") = "4"
    & skf21("4","1","1","3","4","5","3","1") = "4"
    & skf21("4","1","1","3","4","5","4","1") = "4"
    & skf21("4","1","1","3","4","5","5","1") = "4"
    & skf21("4","1","1","3","4","5","6","1") = "5"
    & skf21("4","1","1","3","4","5","7","1") = "6"
    & skf21("4","1","1","3","4","6","1","1") = "5"
    & skf21("4","1","1","3","4","6","2","1") = "5"
    & skf21("4","1","1","3","4","6","3","1") = "5"
    & skf21("4","1","1","3","4","6","4","1") = "5"
    & skf21("4","1","1","3","4","6","5","1") = "5"
    & skf21("4","1","1","3","4","6","6","1") = "5"
    & skf21("4","1","1","3","4","6","7","1") = "6"
    & skf21("4","1","1","3","4","7","1","1") = "6"
    & skf21("4","1","1","3","4","7","2","1") = "6"
    & skf21("4","1","1","3","4","7","3","1") = "6"
    & skf21("4","1","1","3","4","7","4","1") = "6"
    & skf21("4","1","1","3","4","7","5","1") = "6"
    & skf21("4","1","1","3","4","7","6","1") = "6"
    & skf21("4","1","1","3","4","7","7","1") = "6"
    & skf21("4","1","1","3","5","1","1","1") = "4"
    & skf21("4","1","1","3","5","1","2","1") = "4"
    & skf21("4","1","1","3","5","1","3","1") = "4"
    & skf21("4","1","1","3","5","1","4","1") = "4"
    & skf21("4","1","1","3","5","1","5","1") = "4"
    & skf21("4","1","1","3","5","1","6","1") = "5"
    & skf21("4","1","1","3","5","1","7","1") = "6"
    & skf21("4","1","1","3","5","2","1","1") = "4"
    & skf21("4","1","1","3","5","2","2","1") = "4"
    & skf21("4","1","1","3","5","2","3","1") = "4"
    & skf21("4","1","1","3","5","2","4","1") = "4"
    & skf21("4","1","1","3","5","2","5","1") = "4"
    & skf21("4","1","1","3","5","2","6","1") = "5"
    & skf21("4","1","1","3","5","2","7","1") = "6"
    & skf21("4","1","1","3","5","3","1","1") = "4"
    & skf21("4","1","1","3","5","3","2","1") = "4"
    & skf21("4","1","1","3","5","3","3","1") = "4"
    & skf21("4","1","1","3","5","3","4","1") = "4"
    & skf21("4","1","1","3","5","3","5","1") = "4"
    & skf21("4","1","1","3","5","3","6","1") = "5"
    & skf21("4","1","1","3","5","3","7","1") = "6"
    & skf21("4","1","1","3","5","4","1","1") = "4"
    & skf21("4","1","1","3","5","4","2","1") = "4"
    & skf21("4","1","1","3","5","4","3","1") = "4"
    & skf21("4","1","1","3","5","4","4","1") = "4"
    & skf21("4","1","1","3","5","4","5","1") = "4"
    & skf21("4","1","1","3","5","4","6","1") = "5"
    & skf21("4","1","1","3","5","4","7","1") = "6"
    & skf21("4","1","1","3","5","5","1","1") = "4"
    & skf21("4","1","1","3","5","5","2","1") = "4"
    & skf21("4","1","1","3","5","5","3","1") = "4"
    & skf21("4","1","1","3","5","5","4","1") = "4"
    & skf21("4","1","1","3","5","5","5","1") = "4"
    & skf21("4","1","1","3","5","5","6","1") = "5"
    & skf21("4","1","1","3","5","5","7","1") = "6"
    & skf21("4","1","1","3","5","6","1","1") = "5"
    & skf21("4","1","1","3","5","6","2","1") = "5"
    & skf21("4","1","1","3","5","6","3","1") = "5"
    & skf21("4","1","1","3","5","6","4","1") = "5"
    & skf21("4","1","1","3","5","6","5","1") = "5"
    & skf21("4","1","1","3","5","6","6","1") = "5"
    & skf21("4","1","1","3","5","6","7","1") = "6"
    & skf21("4","1","1","3","5","7","1","1") = "6"
    & skf21("4","1","1","3","5","7","2","1") = "6"
    & skf21("4","1","1","3","5","7","3","1") = "6"
    & skf21("4","1","1","3","5","7","4","1") = "6"
    & skf21("4","1","1","3","5","7","5","1") = "6"
    & skf21("4","1","1","3","5","7","6","1") = "6"
    & skf21("4","1","1","3","5","7","7","1") = "6"
    & skf21("4","1","1","3","6","1","1","1") = "5"
    & skf21("4","1","1","3","6","1","2","1") = "5"
    & skf21("4","1","1","3","6","1","3","1") = "5"
    & skf21("4","1","1","3","6","1","4","1") = "5"
    & skf21("4","1","1","3","6","1","5","1") = "5"
    & skf21("4","1","1","3","6","1","6","1") = "5"
    & skf21("4","1","1","3","6","1","7","1") = "6"
    & skf21("4","1","1","3","6","2","1","1") = "5"
    & skf21("4","1","1","3","6","2","2","1") = "5"
    & skf21("4","1","1","3","6","2","3","1") = "5"
    & skf21("4","1","1","3","6","2","4","1") = "5"
    & skf21("4","1","1","3","6","2","5","1") = "5"
    & skf21("4","1","1","3","6","2","6","1") = "5"
    & skf21("4","1","1","3","6","2","7","1") = "6"
    & skf21("4","1","1","3","6","3","1","1") = "5"
    & skf21("4","1","1","3","6","3","2","1") = "5"
    & skf21("4","1","1","3","6","3","3","1") = "5"
    & skf21("4","1","1","3","6","3","4","1") = "5"
    & skf21("4","1","1","3","6","3","5","1") = "5"
    & skf21("4","1","1","3","6","3","6","1") = "5"
    & skf21("4","1","1","3","6","3","7","1") = "6"
    & skf21("4","1","1","3","6","4","1","1") = "5"
    & skf21("4","1","1","3","6","4","2","1") = "5"
    & skf21("4","1","1","3","6","4","3","1") = "5"
    & skf21("4","1","1","3","6","4","4","1") = "5"
    & skf21("4","1","1","3","6","4","5","1") = "5"
    & skf21("4","1","1","3","6","4","6","1") = "5"
    & skf21("4","1","1","3","6","4","7","1") = "6"
    & skf21("4","1","1","3","6","5","1","1") = "5"
    & skf21("4","1","1","3","6","5","2","1") = "5"
    & skf21("4","1","1","3","6","5","3","1") = "5"
    & skf21("4","1","1","3","6","5","4","1") = "5"
    & skf21("4","1","1","3","6","5","5","1") = "5"
    & skf21("4","1","1","3","6","5","6","1") = "5"
    & skf21("4","1","1","3","6","5","7","1") = "6"
    & skf21("4","1","1","3","6","6","1","1") = "5"
    & skf21("4","1","1","3","6","6","2","1") = "5"
    & skf21("4","1","1","3","6","6","3","1") = "5"
    & skf21("4","1","1","3","6","6","4","1") = "5"
    & skf21("4","1","1","3","6","6","5","1") = "5"
    & skf21("4","1","1","3","6","6","6","1") = "5"
    & skf21("4","1","1","3","6","6","7","1") = "6"
    & skf21("4","1","1","3","6","7","1","1") = "6"
    & skf21("4","1","1","3","6","7","2","1") = "6"
    & skf21("4","1","1","3","6","7","3","1") = "6"
    & skf21("4","1","1","3","6","7","4","1") = "6"
    & skf21("4","1","1","3","6","7","5","1") = "6"
    & skf21("4","1","1","3","6","7","6","1") = "6"
    & skf21("4","1","1","3","6","7","7","1") = "6"
    & skf21("4","1","1","3","7","1","1","1") = "6"
    & skf21("4","1","1","3","7","1","2","1") = "6"
    & skf21("4","1","1","3","7","1","3","1") = "6"
    & skf21("4","1","1","3","7","1","4","1") = "6"
    & skf21("4","1","1","3","7","1","5","1") = "6"
    & skf21("4","1","1","3","7","1","6","1") = "6"
    & skf21("4","1","1","3","7","1","7","1") = "6"
    & skf21("4","1","1","3","7","2","1","1") = "6"
    & skf21("4","1","1","3","7","2","2","1") = "6"
    & skf21("4","1","1","3","7","2","3","1") = "6"
    & skf21("4","1","1","3","7","2","4","1") = "6"
    & skf21("4","1","1","3","7","2","5","1") = "6"
    & skf21("4","1","1","3","7","2","6","1") = "6"
    & skf21("4","1","1","3","7","2","7","1") = "6"
    & skf21("4","1","1","3","7","3","1","1") = "6"
    & skf21("4","1","1","3","7","3","2","1") = "6"
    & skf21("4","1","1","3","7","3","3","1") = "6"
    & skf21("4","1","1","3","7","3","4","1") = "6"
    & skf21("4","1","1","3","7","3","5","1") = "6"
    & skf21("4","1","1","3","7","3","6","1") = "6"
    & skf21("4","1","1","3","7","3","7","1") = "6"
    & skf21("4","1","1","3","7","4","1","1") = "6"
    & skf21("4","1","1","3","7","4","2","1") = "6"
    & skf21("4","1","1","3","7","4","3","1") = "6"
    & skf21("4","1","1","3","7","4","4","1") = "6"
    & skf21("4","1","1","3","7","4","5","1") = "6"
    & skf21("4","1","1","3","7","4","6","1") = "6"
    & skf21("4","1","1","3","7","4","7","1") = "6"
    & skf21("4","1","1","3","7","5","1","1") = "6"
    & skf21("4","1","1","3","7","5","2","1") = "6"
    & skf21("4","1","1","3","7","5","3","1") = "6"
    & skf21("4","1","1","3","7","5","4","1") = "6"
    & skf21("4","1","1","3","7","5","5","1") = "6"
    & skf21("4","1","1","3","7","5","6","1") = "6"
    & skf21("4","1","1","3","7","5","7","1") = "6"
    & skf21("4","1","1","3","7","6","1","1") = "6"
    & skf21("4","1","1","3","7","6","2","1") = "6"
    & skf21("4","1","1","3","7","6","3","1") = "6"
    & skf21("4","1","1","3","7","6","4","1") = "6"
    & skf21("4","1","1","3","7","6","5","1") = "6"
    & skf21("4","1","1","3","7","6","6","1") = "6"
    & skf21("4","1","1","3","7","6","7","1") = "6"
    & skf21("4","1","1","3","7","7","1","1") = "6"
    & skf21("4","1","1","3","7","7","2","1") = "6"
    & skf21("4","1","1","3","7","7","3","1") = "6"
    & skf21("4","1","1","3","7","7","4","1") = "6"
    & skf21("4","1","1","3","7","7","5","1") = "6"
    & skf21("4","1","1","3","7","7","6","1") = "6"
    & skf21("4","1","1","3","7","7","7","1") = "6"
    & skf21("4","1","1","4","1","1","1","1") = "3"
    & skf21("4","1","1","4","1","1","2","1") = "3"
    & skf21("4","1","1","4","1","1","3","1") = "3"
    & skf21("4","1","1","4","1","1","4","1") = "3"
    & skf21("4","1","1","4","1","1","5","1") = "4"
    & skf21("4","1","1","4","1","1","6","1") = "5"
    & skf21("4","1","1","4","1","1","7","1") = "6"
    & skf21("4","1","1","4","1","2","1","1") = "3"
    & skf21("4","1","1","4","1","2","2","1") = "3"
    & skf21("4","1","1","4","1","2","3","1") = "3"
    & skf21("4","1","1","4","1","2","4","1") = "3"
    & skf21("4","1","1","4","1","2","5","1") = "4"
    & skf21("4","1","1","4","1","2","6","1") = "5"
    & skf21("4","1","1","4","1","2","7","1") = "6"
    & skf21("4","1","1","4","1","3","1","1") = "3"
    & skf21("4","1","1","4","1","3","2","1") = "3"
    & skf21("4","1","1","4","1","3","3","1") = "3"
    & skf21("4","1","1","4","1","3","4","1") = "3"
    & skf21("4","1","1","4","1","3","5","1") = "4"
    & skf21("4","1","1","4","1","3","6","1") = "5"
    & skf21("4","1","1","4","1","3","7","1") = "6"
    & skf21("4","1","1","4","1","4","1","1") = "3"
    & skf21("4","1","1","4","1","4","2","1") = "3"
    & skf21("4","1","1","4","1","4","3","1") = "3"
    & skf21("4","1","1","4","1","4","4","1") = "3"
    & skf21("4","1","1","4","1","4","5","1") = "4"
    & skf21("4","1","1","4","1","4","6","1") = "5"
    & skf21("4","1","1","4","1","4","7","1") = "6"
    & skf21("4","1","1","4","1","5","1","1") = "4"
    & skf21("4","1","1","4","1","5","2","1") = "4"
    & skf21("4","1","1","4","1","5","3","1") = "4"
    & skf21("4","1","1","4","1","5","4","1") = "4"
    & skf21("4","1","1","4","1","5","5","1") = "4"
    & skf21("4","1","1","4","1","5","6","1") = "5"
    & skf21("4","1","1","4","1","5","7","1") = "6"
    & skf21("4","1","1","4","1","6","1","1") = "5"
    & skf21("4","1","1","4","1","6","2","1") = "5"
    & skf21("4","1","1","4","1","6","3","1") = "5"
    & skf21("4","1","1","4","1","6","4","1") = "5"
    & skf21("4","1","1","4","1","6","5","1") = "5"
    & skf21("4","1","1","4","1","6","6","1") = "5"
    & skf21("4","1","1","4","1","6","7","1") = "6"
    & skf21("4","1","1","4","1","7","1","1") = "6"
    & skf21("4","1","1","4","1","7","2","1") = "6"
    & skf21("4","1","1","4","1","7","3","1") = "6"
    & skf21("4","1","1","4","1","7","4","1") = "6"
    & skf21("4","1","1","4","1","7","5","1") = "6"
    & skf21("4","1","1","4","1","7","6","1") = "6"
    & skf21("4","1","1","4","1","7","7","1") = "6"
    & skf21("4","1","1","4","2","1","1","1") = "3"
    & skf21("4","1","1","4","2","1","2","1") = "3"
    & skf21("4","1","1","4","2","1","3","1") = "3"
    & skf21("4","1","1","4","2","1","4","1") = "3"
    & skf21("4","1","1","4","2","1","5","1") = "4"
    & skf21("4","1","1","4","2","1","6","1") = "5"
    & skf21("4","1","1","4","2","1","7","1") = "6"
    & skf21("4","1","1","4","2","2","1","1") = "3"
    & skf21("4","1","1","4","2","2","2","1") = "3"
    & skf21("4","1","1","4","2","2","3","1") = "3"
    & skf21("4","1","1","4","2","2","4","1") = "3"
    & skf21("4","1","1","4","2","2","5","1") = "4"
    & skf21("4","1","1","4","2","2","6","1") = "5"
    & skf21("4","1","1","4","2","2","7","1") = "6"
    & skf21("4","1","1","4","2","3","1","1") = "3"
    & skf21("4","1","1","4","2","3","2","1") = "3"
    & skf21("4","1","1","4","2","3","3","1") = "3"
    & skf21("4","1","1","4","2","3","4","1") = "3"
    & skf21("4","1","1","4","2","3","5","1") = "4"
    & skf21("4","1","1","4","2","3","6","1") = "5"
    & skf21("4","1","1","4","2","3","7","1") = "6"
    & skf21("4","1","1","4","2","4","1","1") = "3"
    & skf21("4","1","1","4","2","4","2","1") = "3"
    & skf21("4","1","1","4","2","4","3","1") = "3"
    & skf21("4","1","1","4","2","4","4","1") = "3"
    & skf21("4","1","1","4","2","4","5","1") = "4"
    & skf21("4","1","1","4","2","4","6","1") = "5"
    & skf21("4","1","1","4","2","4","7","1") = "6"
    & skf21("4","1","1","4","2","5","1","1") = "4"
    & skf21("4","1","1","4","2","5","2","1") = "4"
    & skf21("4","1","1","4","2","5","3","1") = "4"
    & skf21("4","1","1","4","2","5","4","1") = "4"
    & skf21("4","1","1","4","2","5","5","1") = "4"
    & skf21("4","1","1","4","2","5","6","1") = "5"
    & skf21("4","1","1","4","2","5","7","1") = "6"
    & skf21("4","1","1","4","2","6","1","1") = "5"
    & skf21("4","1","1","4","2","6","2","1") = "5"
    & skf21("4","1","1","4","2","6","3","1") = "5"
    & skf21("4","1","1","4","2","6","4","1") = "5"
    & skf21("4","1","1","4","2","6","5","1") = "5"
    & skf21("4","1","1","4","2","6","6","1") = "5"
    & skf21("4","1","1","4","2","6","7","1") = "6"
    & skf21("4","1","1","4","2","7","1","1") = "6"
    & skf21("4","1","1","4","2","7","2","1") = "6"
    & skf21("4","1","1","4","2","7","3","1") = "6"
    & skf21("4","1","1","4","2","7","4","1") = "6"
    & skf21("4","1","1","4","2","7","5","1") = "6"
    & skf21("4","1","1","4","2","7","6","1") = "6"
    & skf21("4","1","1","4","2","7","7","1") = "6"
    & skf21("4","1","1","4","3","1","1","1") = "3"
    & skf21("4","1","1","4","3","1","2","1") = "3"
    & skf21("4","1","1","4","3","1","3","1") = "3"
    & skf21("4","1","1","4","3","1","4","1") = "3"
    & skf21("4","1","1","4","3","1","5","1") = "4"
    & skf21("4","1","1","4","3","1","6","1") = "5"
    & skf21("4","1","1","4","3","1","7","1") = "6"
    & skf21("4","1","1","4","3","2","1","1") = "3"
    & skf21("4","1","1","4","3","2","2","1") = "3"
    & skf21("4","1","1","4","3","2","3","1") = "3"
    & skf21("4","1","1","4","3","2","4","1") = "3"
    & skf21("4","1","1","4","3","2","5","1") = "4"
    & skf21("4","1","1","4","3","2","6","1") = "5"
    & skf21("4","1","1","4","3","2","7","1") = "6"
    & skf21("4","1","1","4","3","3","1","1") = "3"
    & skf21("4","1","1","4","3","3","2","1") = "3"
    & skf21("4","1","1","4","3","3","3","1") = "3"
    & skf21("4","1","1","4","3","3","4","1") = "3"
    & skf21("4","1","1","4","3","3","5","1") = "4"
    & skf21("4","1","1","4","3","3","6","1") = "5"
    & skf21("4","1","1","4","3","3","7","1") = "6"
    & skf21("4","1","1","4","3","4","1","1") = "3"
    & skf21("4","1","1","4","3","4","2","1") = "3"
    & skf21("4","1","1","4","3","4","3","1") = "3"
    & skf21("4","1","1","4","3","4","4","1") = "3"
    & skf21("4","1","1","4","3","4","5","1") = "4"
    & skf21("4","1","1","4","3","4","6","1") = "5"
    & skf21("4","1","1","4","3","4","7","1") = "6"
    & skf21("4","1","1","4","3","5","1","1") = "4"
    & skf21("4","1","1","4","3","5","2","1") = "4"
    & skf21("4","1","1","4","3","5","3","1") = "4"
    & skf21("4","1","1","4","3","5","4","1") = "4"
    & skf21("4","1","1","4","3","5","5","1") = "4"
    & skf21("4","1","1","4","3","5","6","1") = "5"
    & skf21("4","1","1","4","3","5","7","1") = "6"
    & skf21("4","1","1","4","3","6","1","1") = "5"
    & skf21("4","1","1","4","3","6","2","1") = "5"
    & skf21("4","1","1","4","3","6","3","1") = "5"
    & skf21("4","1","1","4","3","6","4","1") = "5"
    & skf21("4","1","1","4","3","6","5","1") = "5"
    & skf21("4","1","1","4","3","6","6","1") = "5"
    & skf21("4","1","1","4","3","6","7","1") = "6"
    & skf21("4","1","1","4","3","7","1","1") = "6"
    & skf21("4","1","1","4","3","7","2","1") = "6"
    & skf21("4","1","1","4","3","7","3","1") = "6"
    & skf21("4","1","1","4","3","7","4","1") = "6"
    & skf21("4","1","1","4","3","7","5","1") = "6"
    & skf21("4","1","1","4","3","7","6","1") = "6"
    & skf21("4","1","1","4","3","7","7","1") = "6"
    & skf21("4","1","1","4","4","1","1","1") = "3"
    & skf21("4","1","1","4","4","1","2","1") = "3"
    & skf21("4","1","1","4","4","1","3","1") = "3"
    & skf21("4","1","1","4","4","1","4","1") = "3"
    & skf21("4","1","1","4","4","1","5","1") = "4"
    & skf21("4","1","1","4","4","1","6","1") = "5"
    & skf21("4","1","1","4","4","1","7","1") = "6"
    & skf21("4","1","1","4","4","2","1","1") = "3"
    & skf21("4","1","1","4","4","2","2","1") = "3"
    & skf21("4","1","1","4","4","2","3","1") = "3"
    & skf21("4","1","1","4","4","2","4","1") = "3"
    & skf21("4","1","1","4","4","2","5","1") = "4"
    & skf21("4","1","1","4","4","2","6","1") = "5"
    & skf21("4","1","1","4","4","2","7","1") = "6"
    & skf21("4","1","1","4","4","3","1","1") = "3"
    & skf21("4","1","1","4","4","3","2","1") = "3"
    & skf21("4","1","1","4","4","3","3","1") = "3"
    & skf21("4","1","1","4","4","3","4","1") = "3"
    & skf21("4","1","1","4","4","3","5","1") = "4"
    & skf21("4","1","1","4","4","3","6","1") = "5"
    & skf21("4","1","1","4","4","3","7","1") = "6"
    & skf21("4","1","1","4","4","4","1","1") = "3"
    & skf21("4","1","1","4","4","4","2","1") = "3"
    & skf21("4","1","1","4","4","4","3","1") = "3"
    & skf21("4","1","1","4","4","4","4","1") = "3"
    & skf21("4","1","1","4","4","4","5","1") = "4"
    & skf21("4","1","1","4","4","4","6","1") = "5"
    & skf21("4","1","1","4","4","4","7","1") = "6"
    & skf21("4","1","1","4","4","5","1","1") = "4"
    & skf21("4","1","1","4","4","5","2","1") = "4"
    & skf21("4","1","1","4","4","5","3","1") = "4"
    & skf21("4","1","1","4","4","5","4","1") = "4"
    & skf21("4","1","1","4","4","5","5","1") = "4"
    & skf21("4","1","1","4","4","5","6","1") = "5"
    & skf21("4","1","1","4","4","5","7","1") = "6"
    & skf21("4","1","1","4","4","6","1","1") = "5"
    & skf21("4","1","1","4","4","6","2","1") = "5"
    & skf21("4","1","1","4","4","6","3","1") = "5"
    & skf21("4","1","1","4","4","6","4","1") = "5"
    & skf21("4","1","1","4","4","6","5","1") = "5"
    & skf21("4","1","1","4","4","6","6","1") = "5"
    & skf21("4","1","1","4","4","6","7","1") = "6"
    & skf21("4","1","1","4","4","7","1","1") = "6"
    & skf21("4","1","1","4","4","7","2","1") = "6"
    & skf21("4","1","1","4","4","7","3","1") = "6"
    & skf21("4","1","1","4","4","7","4","1") = "6"
    & skf21("4","1","1","4","4","7","5","1") = "6"
    & skf21("4","1","1","4","4","7","6","1") = "6"
    & skf21("4","1","1","4","4","7","7","1") = "6"
    & skf21("4","1","1","4","5","1","1","1") = "4"
    & skf21("4","1","1","4","5","1","2","1") = "4"
    & skf21("4","1","1","4","5","1","3","1") = "4"
    & skf21("4","1","1","4","5","1","4","1") = "4"
    & skf21("4","1","1","4","5","1","5","1") = "4"
    & skf21("4","1","1","4","5","1","6","1") = "5"
    & skf21("4","1","1","4","5","1","7","1") = "6"
    & skf21("4","1","1","4","5","2","1","1") = "4"
    & skf21("4","1","1","4","5","2","2","1") = "4"
    & skf21("4","1","1","4","5","2","3","1") = "4"
    & skf21("4","1","1","4","5","2","4","1") = "4"
    & skf21("4","1","1","4","5","2","5","1") = "4"
    & skf21("4","1","1","4","5","2","6","1") = "5"
    & skf21("4","1","1","4","5","2","7","1") = "6"
    & skf21("4","1","1","4","5","3","1","1") = "4"
    & skf21("4","1","1","4","5","3","2","1") = "4"
    & skf21("4","1","1","4","5","3","3","1") = "4"
    & skf21("4","1","1","4","5","3","4","1") = "4"
    & skf21("4","1","1","4","5","3","5","1") = "4"
    & skf21("4","1","1","4","5","3","6","1") = "5"
    & skf21("4","1","1","4","5","3","7","1") = "6"
    & skf21("4","1","1","4","5","4","1","1") = "4"
    & skf21("4","1","1","4","5","4","2","1") = "4"
    & skf21("4","1","1","4","5","4","3","1") = "4"
    & skf21("4","1","1","4","5","4","4","1") = "4"
    & skf21("4","1","1","4","5","4","5","1") = "4"
    & skf21("4","1","1","4","5","4","6","1") = "5"
    & skf21("4","1","1","4","5","4","7","1") = "6"
    & skf21("4","1","1","4","5","5","1","1") = "4"
    & skf21("4","1","1","4","5","5","2","1") = "4"
    & skf21("4","1","1","4","5","5","3","1") = "4"
    & skf21("4","1","1","4","5","5","4","1") = "4"
    & skf21("4","1","1","4","5","5","5","1") = "4"
    & skf21("4","1","1","4","5","5","6","1") = "5"
    & skf21("4","1","1","4","5","5","7","1") = "6"
    & skf21("4","1","1","4","5","6","1","1") = "5"
    & skf21("4","1","1","4","5","6","2","1") = "5"
    & skf21("4","1","1","4","5","6","3","1") = "5"
    & skf21("4","1","1","4","5","6","4","1") = "5"
    & skf21("4","1","1","4","5","6","5","1") = "5"
    & skf21("4","1","1","4","5","6","6","1") = "5"
    & skf21("4","1","1","4","5","6","7","1") = "6"
    & skf21("4","1","1","4","5","7","1","1") = "6"
    & skf21("4","1","1","4","5","7","2","1") = "6"
    & skf21("4","1","1","4","5","7","3","1") = "6"
    & skf21("4","1","1","4","5","7","4","1") = "6"
    & skf21("4","1","1","4","5","7","5","1") = "6"
    & skf21("4","1","1","4","5","7","6","1") = "6"
    & skf21("4","1","1","4","5","7","7","1") = "6"
    & skf21("4","1","1","4","6","1","1","1") = "5"
    & skf21("4","1","1","4","6","1","2","1") = "5"
    & skf21("4","1","1","4","6","1","3","1") = "5"
    & skf21("4","1","1","4","6","1","4","1") = "5"
    & skf21("4","1","1","4","6","1","5","1") = "5"
    & skf21("4","1","1","4","6","1","6","1") = "5"
    & skf21("4","1","1","4","6","1","7","1") = "6"
    & skf21("4","1","1","4","6","2","1","1") = "5"
    & skf21("4","1","1","4","6","2","2","1") = "5"
    & skf21("4","1","1","4","6","2","3","1") = "5"
    & skf21("4","1","1","4","6","2","4","1") = "5"
    & skf21("4","1","1","4","6","2","5","1") = "5"
    & skf21("4","1","1","4","6","2","6","1") = "5"
    & skf21("4","1","1","4","6","2","7","1") = "6"
    & skf21("4","1","1","4","6","3","1","1") = "5"
    & skf21("4","1","1","4","6","3","2","1") = "5"
    & skf21("4","1","1","4","6","3","3","1") = "5"
    & skf21("4","1","1","4","6","3","4","1") = "5"
    & skf21("4","1","1","4","6","3","5","1") = "5"
    & skf21("4","1","1","4","6","3","6","1") = "5"
    & skf21("4","1","1","4","6","3","7","1") = "6"
    & skf21("4","1","1","4","6","4","1","1") = "5"
    & skf21("4","1","1","4","6","4","2","1") = "5"
    & skf21("4","1","1","4","6","4","3","1") = "5"
    & skf21("4","1","1","4","6","4","4","1") = "5"
    & skf21("4","1","1","4","6","4","5","1") = "5"
    & skf21("4","1","1","4","6","4","6","1") = "5"
    & skf21("4","1","1","4","6","4","7","1") = "6"
    & skf21("4","1","1","4","6","5","1","1") = "5"
    & skf21("4","1","1","4","6","5","2","1") = "5"
    & skf21("4","1","1","4","6","5","3","1") = "5"
    & skf21("4","1","1","4","6","5","4","1") = "5"
    & skf21("4","1","1","4","6","5","5","1") = "5"
    & skf21("4","1","1","4","6","5","6","1") = "5"
    & skf21("4","1","1","4","6","5","7","1") = "6"
    & skf21("4","1","1","4","6","6","1","1") = "5"
    & skf21("4","1","1","4","6","6","2","1") = "5"
    & skf21("4","1","1","4","6","6","3","1") = "5"
    & skf21("4","1","1","4","6","6","4","1") = "5"
    & skf21("4","1","1","4","6","6","5","1") = "5"
    & skf21("4","1","1","4","6","6","6","1") = "5"
    & skf21("4","1","1","4","6","6","7","1") = "6"
    & skf21("4","1","1","4","6","7","1","1") = "6"
    & skf21("4","1","1","4","6","7","2","1") = "6"
    & skf21("4","1","1","4","6","7","3","1") = "6"
    & skf21("4","1","1","4","6","7","4","1") = "6"
    & skf21("4","1","1","4","6","7","5","1") = "6"
    & skf21("4","1","1","4","6","7","6","1") = "6"
    & skf21("4","1","1","4","6","7","7","1") = "6"
    & skf21("4","1","1","4","7","1","1","1") = "6"
    & skf21("4","1","1","4","7","1","2","1") = "6"
    & skf21("4","1","1","4","7","1","3","1") = "6"
    & skf21("4","1","1","4","7","1","4","1") = "6"
    & skf21("4","1","1","4","7","1","5","1") = "6"
    & skf21("4","1","1","4","7","1","6","1") = "6"
    & skf21("4","1","1","4","7","1","7","1") = "6"
    & skf21("4","1","1","4","7","2","1","1") = "6"
    & skf21("4","1","1","4","7","2","2","1") = "6"
    & skf21("4","1","1","4","7","2","3","1") = "6"
    & skf21("4","1","1","4","7","2","4","1") = "6"
    & skf21("4","1","1","4","7","2","5","1") = "6"
    & skf21("4","1","1","4","7","2","6","1") = "6"
    & skf21("4","1","1","4","7","2","7","1") = "6"
    & skf21("4","1","1","4","7","3","1","1") = "6"
    & skf21("4","1","1","4","7","3","2","1") = "6"
    & skf21("4","1","1","4","7","3","3","1") = "6"
    & skf21("4","1","1","4","7","3","4","1") = "6"
    & skf21("4","1","1","4","7","3","5","1") = "6"
    & skf21("4","1","1","4","7","3","6","1") = "6"
    & skf21("4","1","1","4","7","3","7","1") = "6"
    & skf21("4","1","1","4","7","4","1","1") = "6"
    & skf21("4","1","1","4","7","4","2","1") = "6"
    & skf21("4","1","1","4","7","4","3","1") = "6"
    & skf21("4","1","1","4","7","4","4","1") = "6"
    & skf21("4","1","1","4","7","4","5","1") = "6"
    & skf21("4","1","1","4","7","4","6","1") = "6"
    & skf21("4","1","1","4","7","4","7","1") = "6"
    & skf21("4","1","1","4","7","5","1","1") = "6"
    & skf21("4","1","1","4","7","5","2","1") = "6"
    & skf21("4","1","1","4","7","5","3","1") = "6"
    & skf21("4","1","1","4","7","5","4","1") = "6"
    & skf21("4","1","1","4","7","5","5","1") = "6"
    & skf21("4","1","1","4","7","5","6","1") = "6"
    & skf21("4","1","1","4","7","5","7","1") = "6"
    & skf21("4","1","1","4","7","6","1","1") = "6"
    & skf21("4","1","1","4","7","6","2","1") = "6"
    & skf21("4","1","1","4","7","6","3","1") = "6"
    & skf21("4","1","1","4","7","6","4","1") = "6"
    & skf21("4","1","1","4","7","6","5","1") = "6"
    & skf21("4","1","1","4","7","6","6","1") = "6"
    & skf21("4","1","1","4","7","6","7","1") = "6"
    & skf21("4","1","1","4","7","7","1","1") = "6"
    & skf21("4","1","1","4","7","7","2","1") = "6"
    & skf21("4","1","1","4","7","7","3","1") = "6"
    & skf21("4","1","1","4","7","7","4","1") = "6"
    & skf21("4","1","1","4","7","7","5","1") = "6"
    & skf21("4","1","1","4","7","7","6","1") = "6"
    & skf21("4","1","1","4","7","7","7","1") = "6"
    & skf21("4","1","1","5","1","1","1","1") = "4"
    & skf21("4","1","1","5","1","1","2","1") = "4"
    & skf21("4","1","1","5","1","1","3","1") = "4"
    & skf21("4","1","1","5","1","1","4","1") = "4"
    & skf21("4","1","1","5","1","1","5","1") = "4"
    & skf21("4","1","1","5","1","1","6","1") = "5"
    & skf21("4","1","1","5","1","1","7","1") = "6"
    & skf21("4","1","1","5","1","2","1","1") = "4"
    & skf21("4","1","1","5","1","2","2","1") = "4"
    & skf21("4","1","1","5","1","2","3","1") = "4"
    & skf21("4","1","1","5","1","2","4","1") = "4"
    & skf21("4","1","1","5","1","2","5","1") = "4"
    & skf21("4","1","1","5","1","2","6","1") = "5"
    & skf21("4","1","1","5","1","2","7","1") = "6"
    & skf21("4","1","1","5","1","3","1","1") = "4"
    & skf21("4","1","1","5","1","3","2","1") = "4"
    & skf21("4","1","1","5","1","3","3","1") = "4"
    & skf21("4","1","1","5","1","3","4","1") = "4"
    & skf21("4","1","1","5","1","3","5","1") = "4"
    & skf21("4","1","1","5","1","3","6","1") = "5"
    & skf21("4","1","1","5","1","3","7","1") = "6"
    & skf21("4","1","1","5","1","4","1","1") = "4"
    & skf21("4","1","1","5","1","4","2","1") = "4"
    & skf21("4","1","1","5","1","4","3","1") = "4"
    & skf21("4","1","1","5","1","4","4","1") = "4"
    & skf21("4","1","1","5","1","4","5","1") = "4"
    & skf21("4","1","1","5","1","4","6","1") = "5"
    & skf21("4","1","1","5","1","4","7","1") = "6"
    & skf21("4","1","1","5","1","5","1","1") = "4"
    & skf21("4","1","1","5","1","5","2","1") = "4"
    & skf21("4","1","1","5","1","5","3","1") = "4"
    & skf21("4","1","1","5","1","5","4","1") = "4"
    & skf21("4","1","1","5","1","5","5","1") = "4"
    & skf21("4","1","1","5","1","5","6","1") = "5"
    & skf21("4","1","1","5","1","5","7","1") = "6"
    & skf21("4","1","1","5","1","6","1","1") = "5"
    & skf21("4","1","1","5","1","6","2","1") = "5"
    & skf21("4","1","1","5","1","6","3","1") = "5"
    & skf21("4","1","1","5","1","6","4","1") = "5"
    & skf21("4","1","1","5","1","6","5","1") = "5"
    & skf21("4","1","1","5","1","6","6","1") = "5"
    & skf21("4","1","1","5","1","6","7","1") = "6"
    & skf21("4","1","1","5","1","7","1","1") = "6"
    & skf21("4","1","1","5","1","7","2","1") = "6"
    & skf21("4","1","1","5","1","7","3","1") = "6"
    & skf21("4","1","1","5","1","7","4","1") = "6"
    & skf21("4","1","1","5","1","7","5","1") = "6"
    & skf21("4","1","1","5","1","7","6","1") = "6"
    & skf21("4","1","1","5","1","7","7","1") = "6"
    & skf21("4","1","1","5","2","1","1","1") = "4"
    & skf21("4","1","1","5","2","1","2","1") = "4"
    & skf21("4","1","1","5","2","1","3","1") = "4"
    & skf21("4","1","1","5","2","1","4","1") = "4"
    & skf21("4","1","1","5","2","1","5","1") = "4"
    & skf21("4","1","1","5","2","1","6","1") = "5"
    & skf21("4","1","1","5","2","1","7","1") = "6"
    & skf21("4","1","1","5","2","2","1","1") = "4"
    & skf21("4","1","1","5","2","2","2","1") = "4"
    & skf21("4","1","1","5","2","2","3","1") = "4"
    & skf21("4","1","1","5","2","2","4","1") = "4"
    & skf21("4","1","1","5","2","2","5","1") = "4"
    & skf21("4","1","1","5","2","2","6","1") = "5"
    & skf21("4","1","1","5","2","2","7","1") = "6"
    & skf21("4","1","1","5","2","3","1","1") = "4"
    & skf21("4","1","1","5","2","3","2","1") = "4"
    & skf21("4","1","1","5","2","3","3","1") = "4"
    & skf21("4","1","1","5","2","3","4","1") = "4"
    & skf21("4","1","1","5","2","3","5","1") = "4"
    & skf21("4","1","1","5","2","3","6","1") = "5"
    & skf21("4","1","1","5","2","3","7","1") = "6"
    & skf21("4","1","1","5","2","4","1","1") = "4"
    & skf21("4","1","1","5","2","4","2","1") = "4"
    & skf21("4","1","1","5","2","4","3","1") = "4"
    & skf21("4","1","1","5","2","4","4","1") = "4"
    & skf21("4","1","1","5","2","4","5","1") = "4"
    & skf21("4","1","1","5","2","4","6","1") = "5"
    & skf21("4","1","1","5","2","4","7","1") = "6"
    & skf21("4","1","1","5","2","5","1","1") = "4"
    & skf21("4","1","1","5","2","5","2","1") = "4"
    & skf21("4","1","1","5","2","5","3","1") = "4"
    & skf21("4","1","1","5","2","5","4","1") = "4"
    & skf21("4","1","1","5","2","5","5","1") = "4"
    & skf21("4","1","1","5","2","5","6","1") = "5"
    & skf21("4","1","1","5","2","5","7","1") = "6"
    & skf21("4","1","1","5","2","6","1","1") = "5"
    & skf21("4","1","1","5","2","6","2","1") = "5"
    & skf21("4","1","1","5","2","6","3","1") = "5"
    & skf21("4","1","1","5","2","6","4","1") = "5"
    & skf21("4","1","1","5","2","6","5","1") = "5"
    & skf21("4","1","1","5","2","6","6","1") = "5"
    & skf21("4","1","1","5","2","6","7","1") = "6"
    & skf21("4","1","1","5","2","7","1","1") = "6"
    & skf21("4","1","1","5","2","7","2","1") = "6"
    & skf21("4","1","1","5","2","7","3","1") = "6"
    & skf21("4","1","1","5","2","7","4","1") = "6"
    & skf21("4","1","1","5","2","7","5","1") = "6"
    & skf21("4","1","1","5","2","7","6","1") = "6"
    & skf21("4","1","1","5","2","7","7","1") = "6"
    & skf21("4","1","1","5","3","1","1","1") = "4"
    & skf21("4","1","1","5","3","1","2","1") = "4"
    & skf21("4","1","1","5","3","1","3","1") = "4"
    & skf21("4","1","1","5","3","1","4","1") = "4"
    & skf21("4","1","1","5","3","1","5","1") = "4"
    & skf21("4","1","1","5","3","1","6","1") = "5"
    & skf21("4","1","1","5","3","1","7","1") = "6"
    & skf21("4","1","1","5","3","2","1","1") = "4"
    & skf21("4","1","1","5","3","2","2","1") = "4"
    & skf21("4","1","1","5","3","2","3","1") = "4"
    & skf21("4","1","1","5","3","2","4","1") = "4"
    & skf21("4","1","1","5","3","2","5","1") = "4"
    & skf21("4","1","1","5","3","2","6","1") = "5"
    & skf21("4","1","1","5","3","2","7","1") = "6"
    & skf21("4","1","1","5","3","3","1","1") = "4"
    & skf21("4","1","1","5","3","3","2","1") = "4"
    & skf21("4","1","1","5","3","3","3","1") = "4"
    & skf21("4","1","1","5","3","3","4","1") = "4"
    & skf21("4","1","1","5","3","3","5","1") = "4"
    & skf21("4","1","1","5","3","3","6","1") = "5"
    & skf21("4","1","1","5","3","3","7","1") = "6"
    & skf21("4","1","1","5","3","4","1","1") = "4"
    & skf21("4","1","1","5","3","4","2","1") = "4"
    & skf21("4","1","1","5","3","4","3","1") = "4"
    & skf21("4","1","1","5","3","4","4","1") = "4"
    & skf21("4","1","1","5","3","4","5","1") = "4"
    & skf21("4","1","1","5","3","4","6","1") = "5"
    & skf21("4","1","1","5","3","4","7","1") = "6"
    & skf21("4","1","1","5","3","5","1","1") = "4"
    & skf21("4","1","1","5","3","5","2","1") = "4"
    & skf21("4","1","1","5","3","5","3","1") = "4"
    & skf21("4","1","1","5","3","5","4","1") = "4"
    & skf21("4","1","1","5","3","5","5","1") = "4"
    & skf21("4","1","1","5","3","5","6","1") = "5"
    & skf21("4","1","1","5","3","5","7","1") = "6"
    & skf21("4","1","1","5","3","6","1","1") = "5"
    & skf21("4","1","1","5","3","6","2","1") = "5"
    & skf21("4","1","1","5","3","6","3","1") = "5"
    & skf21("4","1","1","5","3","6","4","1") = "5"
    & skf21("4","1","1","5","3","6","5","1") = "5"
    & skf21("4","1","1","5","3","6","6","1") = "5"
    & skf21("4","1","1","5","3","6","7","1") = "6"
    & skf21("4","1","1","5","3","7","1","1") = "6"
    & skf21("4","1","1","5","3","7","2","1") = "6"
    & skf21("4","1","1","5","3","7","3","1") = "6"
    & skf21("4","1","1","5","3","7","4","1") = "6"
    & skf21("4","1","1","5","3","7","5","1") = "6"
    & skf21("4","1","1","5","3","7","6","1") = "6"
    & skf21("4","1","1","5","3","7","7","1") = "6"
    & skf21("4","1","1","5","4","1","1","1") = "4"
    & skf21("4","1","1","5","4","1","2","1") = "4"
    & skf21("4","1","1","5","4","1","3","1") = "4"
    & skf21("4","1","1","5","4","1","4","1") = "4"
    & skf21("4","1","1","5","4","1","5","1") = "4"
    & skf21("4","1","1","5","4","1","6","1") = "5"
    & skf21("4","1","1","5","4","1","7","1") = "6"
    & skf21("4","1","1","5","4","2","1","1") = "4"
    & skf21("4","1","1","5","4","2","2","1") = "4"
    & skf21("4","1","1","5","4","2","3","1") = "4"
    & skf21("4","1","1","5","4","2","4","1") = "4"
    & skf21("4","1","1","5","4","2","5","1") = "4"
    & skf21("4","1","1","5","4","2","6","1") = "5"
    & skf21("4","1","1","5","4","2","7","1") = "6"
    & skf21("4","1","1","5","4","3","1","1") = "4"
    & skf21("4","1","1","5","4","3","2","1") = "4"
    & skf21("4","1","1","5","4","3","3","1") = "4"
    & skf21("4","1","1","5","4","3","4","1") = "4"
    & skf21("4","1","1","5","4","3","5","1") = "4"
    & skf21("4","1","1","5","4","3","6","1") = "5"
    & skf21("4","1","1","5","4","3","7","1") = "6"
    & skf21("4","1","1","5","4","4","1","1") = "4"
    & skf21("4","1","1","5","4","4","2","1") = "4"
    & skf21("4","1","1","5","4","4","3","1") = "4"
    & skf21("4","1","1","5","4","4","4","1") = "4"
    & skf21("4","1","1","5","4","4","5","1") = "4"
    & skf21("4","1","1","5","4","4","6","1") = "5"
    & skf21("4","1","1","5","4","4","7","1") = "6"
    & skf21("4","1","1","5","4","5","1","1") = "4"
    & skf21("4","1","1","5","4","5","2","1") = "4"
    & skf21("4","1","1","5","4","5","3","1") = "4"
    & skf21("4","1","1","5","4","5","4","1") = "4"
    & skf21("4","1","1","5","4","5","5","1") = "4"
    & skf21("4","1","1","5","4","5","6","1") = "5"
    & skf21("4","1","1","5","4","5","7","1") = "6"
    & skf21("4","1","1","5","4","6","1","1") = "5"
    & skf21("4","1","1","5","4","6","2","1") = "5"
    & skf21("4","1","1","5","4","6","3","1") = "5"
    & skf21("4","1","1","5","4","6","4","1") = "5"
    & skf21("4","1","1","5","4","6","5","1") = "5"
    & skf21("4","1","1","5","4","6","6","1") = "5"
    & skf21("4","1","1","5","4","6","7","1") = "6"
    & skf21("4","1","1","5","4","7","1","1") = "6"
    & skf21("4","1","1","5","4","7","2","1") = "6"
    & skf21("4","1","1","5","4","7","3","1") = "6"
    & skf21("4","1","1","5","4","7","4","1") = "6"
    & skf21("4","1","1","5","4","7","5","1") = "6"
    & skf21("4","1","1","5","4","7","6","1") = "6"
    & skf21("4","1","1","5","4","7","7","1") = "6"
    & skf21("4","1","1","5","5","1","1","1") = "4"
    & skf21("4","1","1","5","5","1","2","1") = "4"
    & skf21("4","1","1","5","5","1","3","1") = "4"
    & skf21("4","1","1","5","5","1","4","1") = "4"
    & skf21("4","1","1","5","5","1","5","1") = "4"
    & skf21("4","1","1","5","5","1","6","1") = "5"
    & skf21("4","1","1","5","5","1","7","1") = "6"
    & skf21("4","1","1","5","5","2","1","1") = "4"
    & skf21("4","1","1","5","5","2","2","1") = "4"
    & skf21("4","1","1","5","5","2","3","1") = "4"
    & skf21("4","1","1","5","5","2","4","1") = "4"
    & skf21("4","1","1","5","5","2","5","1") = "4"
    & skf21("4","1","1","5","5","2","6","1") = "5"
    & skf21("4","1","1","5","5","2","7","1") = "6"
    & skf21("4","1","1","5","5","3","1","1") = "4"
    & skf21("4","1","1","5","5","3","2","1") = "4"
    & skf21("4","1","1","5","5","3","3","1") = "4"
    & skf21("4","1","1","5","5","3","4","1") = "4"
    & skf21("4","1","1","5","5","3","5","1") = "4"
    & skf21("4","1","1","5","5","3","6","1") = "5"
    & skf21("4","1","1","5","5","3","7","1") = "6"
    & skf21("4","1","1","5","5","4","1","1") = "4"
    & skf21("4","1","1","5","5","4","2","1") = "4"
    & skf21("4","1","1","5","5","4","3","1") = "4"
    & skf21("4","1","1","5","5","4","4","1") = "4"
    & skf21("4","1","1","5","5","4","5","1") = "4"
    & skf21("4","1","1","5","5","4","6","1") = "5"
    & skf21("4","1","1","5","5","4","7","1") = "6"
    & skf21("4","1","1","5","5","5","1","1") = "4"
    & skf21("4","1","1","5","5","5","2","1") = "4"
    & skf21("4","1","1","5","5","5","3","1") = "4"
    & skf21("4","1","1","5","5","5","4","1") = "4"
    & skf21("4","1","1","5","5","5","5","1") = "4"
    & skf21("4","1","1","5","5","5","6","1") = "5"
    & skf21("4","1","1","5","5","5","7","1") = "6"
    & skf21("4","1","1","5","5","6","1","1") = "5"
    & skf21("4","1","1","5","5","6","2","1") = "5"
    & skf21("4","1","1","5","5","6","3","1") = "5"
    & skf21("4","1","1","5","5","6","4","1") = "5"
    & skf21("4","1","1","5","5","6","5","1") = "5"
    & skf21("4","1","1","5","5","6","6","1") = "5"
    & skf21("4","1","1","5","5","6","7","1") = "6"
    & skf21("4","1","1","5","5","7","1","1") = "6"
    & skf21("4","1","1","5","5","7","2","1") = "6"
    & skf21("4","1","1","5","5","7","3","1") = "6"
    & skf21("4","1","1","5","5","7","4","1") = "6"
    & skf21("4","1","1","5","5","7","5","1") = "6"
    & skf21("4","1","1","5","5","7","6","1") = "6"
    & skf21("4","1","1","5","5","7","7","1") = "6"
    & skf21("4","1","1","5","6","1","1","1") = "5"
    & skf21("4","1","1","5","6","1","2","1") = "5"
    & skf21("4","1","1","5","6","1","3","1") = "5"
    & skf21("4","1","1","5","6","1","4","1") = "5"
    & skf21("4","1","1","5","6","1","5","1") = "5"
    & skf21("4","1","1","5","6","1","6","1") = "5"
    & skf21("4","1","1","5","6","1","7","1") = "6"
    & skf21("4","1","1","5","6","2","1","1") = "5"
    & skf21("4","1","1","5","6","2","2","1") = "5"
    & skf21("4","1","1","5","6","2","3","1") = "5"
    & skf21("4","1","1","5","6","2","4","1") = "5"
    & skf21("4","1","1","5","6","2","5","1") = "5"
    & skf21("4","1","1","5","6","2","6","1") = "5"
    & skf21("4","1","1","5","6","2","7","1") = "6"
    & skf21("4","1","1","5","6","3","1","1") = "5"
    & skf21("4","1","1","5","6","3","2","1") = "5"
    & skf21("4","1","1","5","6","3","3","1") = "5"
    & skf21("4","1","1","5","6","3","4","1") = "5"
    & skf21("4","1","1","5","6","3","5","1") = "5"
    & skf21("4","1","1","5","6","3","6","1") = "5"
    & skf21("4","1","1","5","6","3","7","1") = "6"
    & skf21("4","1","1","5","6","4","1","1") = "5"
    & skf21("4","1","1","5","6","4","2","1") = "5"
    & skf21("4","1","1","5","6","4","3","1") = "5"
    & skf21("4","1","1","5","6","4","4","1") = "5"
    & skf21("4","1","1","5","6","4","5","1") = "5"
    & skf21("4","1","1","5","6","4","6","1") = "5"
    & skf21("4","1","1","5","6","4","7","1") = "6"
    & skf21("4","1","1","5","6","5","1","1") = "5"
    & skf21("4","1","1","5","6","5","2","1") = "5"
    & skf21("4","1","1","5","6","5","3","1") = "5"
    & skf21("4","1","1","5","6","5","4","1") = "5"
    & skf21("4","1","1","5","6","5","5","1") = "5"
    & skf21("4","1","1","5","6","5","6","1") = "5"
    & skf21("4","1","1","5","6","5","7","1") = "6"
    & skf21("4","1","1","5","6","6","1","1") = "5"
    & skf21("4","1","1","5","6","6","2","1") = "5"
    & skf21("4","1","1","5","6","6","3","1") = "5"
    & skf21("4","1","1","5","6","6","4","1") = "5"
    & skf21("4","1","1","5","6","6","5","1") = "5"
    & skf21("4","1","1","5","6","6","6","1") = "5"
    & skf21("4","1","1","5","6","6","7","1") = "6"
    & skf21("4","1","1","5","6","7","1","1") = "6"
    & skf21("4","1","1","5","6","7","2","1") = "6"
    & skf21("4","1","1","5","6","7","3","1") = "6"
    & skf21("4","1","1","5","6","7","4","1") = "6"
    & skf21("4","1","1","5","6","7","5","1") = "6"
    & skf21("4","1","1","5","6","7","6","1") = "6"
    & skf21("4","1","1","5","6","7","7","1") = "6"
    & skf21("4","1","1","5","7","1","1","1") = "6"
    & skf21("4","1","1","5","7","1","2","1") = "6"
    & skf21("4","1","1","5","7","1","3","1") = "6"
    & skf21("4","1","1","5","7","1","4","1") = "6"
    & skf21("4","1","1","5","7","1","5","1") = "6"
    & skf21("4","1","1","5","7","1","6","1") = "6"
    & skf21("4","1","1","5","7","1","7","1") = "6"
    & skf21("4","1","1","5","7","2","1","1") = "6"
    & skf21("4","1","1","5","7","2","2","1") = "6"
    & skf21("4","1","1","5","7","2","3","1") = "6"
    & skf21("4","1","1","5","7","2","4","1") = "6"
    & skf21("4","1","1","5","7","2","5","1") = "6"
    & skf21("4","1","1","5","7","2","6","1") = "6"
    & skf21("4","1","1","5","7","2","7","1") = "6"
    & skf21("4","1","1","5","7","3","1","1") = "6"
    & skf21("4","1","1","5","7","3","2","1") = "6"
    & skf21("4","1","1","5","7","3","3","1") = "6"
    & skf21("4","1","1","5","7","3","4","1") = "6"
    & skf21("4","1","1","5","7","3","5","1") = "6"
    & skf21("4","1","1","5","7","3","6","1") = "6"
    & skf21("4","1","1","5","7","3","7","1") = "6"
    & skf21("4","1","1","5","7","4","1","1") = "6"
    & skf21("4","1","1","5","7","4","2","1") = "6"
    & skf21("4","1","1","5","7","4","3","1") = "6"
    & skf21("4","1","1","5","7","4","4","1") = "6"
    & skf21("4","1","1","5","7","4","5","1") = "6"
    & skf21("4","1","1","5","7","4","6","1") = "6"
    & skf21("4","1","1","5","7","4","7","1") = "6"
    & skf21("4","1","1","5","7","5","1","1") = "6"
    & skf21("4","1","1","5","7","5","2","1") = "6"
    & skf21("4","1","1","5","7","5","3","1") = "6"
    & skf21("4","1","1","5","7","5","4","1") = "6"
    & skf21("4","1","1","5","7","5","5","1") = "6"
    & skf21("4","1","1","5","7","5","6","1") = "6"
    & skf21("4","1","1","5","7","5","7","1") = "6"
    & skf21("4","1","1","5","7","6","1","1") = "6"
    & skf21("4","1","1","5","7","6","2","1") = "6"
    & skf21("4","1","1","5","7","6","3","1") = "6"
    & skf21("4","1","1","5","7","6","4","1") = "6"
    & skf21("4","1","1","5","7","6","5","1") = "6"
    & skf21("4","1","1","5","7","6","6","1") = "6"
    & skf21("4","1","1","5","7","6","7","1") = "6"
    & skf21("4","1","1","5","7","7","1","1") = "6"
    & skf21("4","1","1","5","7","7","2","1") = "6"
    & skf21("4","1","1","5","7","7","3","1") = "6"
    & skf21("4","1","1","5","7","7","4","1") = "6"
    & skf21("4","1","1","5","7","7","5","1") = "6"
    & skf21("4","1","1","5","7","7","6","1") = "6"
    & skf21("4","1","1","5","7","7","7","1") = "6"
    & skf21("4","1","1","6","1","1","1","1") = "5"
    & skf21("4","1","1","6","1","1","2","1") = "5"
    & skf21("4","1","1","6","1","1","3","1") = "5"
    & skf21("4","1","1","6","1","1","4","1") = "5"
    & skf21("4","1","1","6","1","1","5","1") = "5"
    & skf21("4","1","1","6","1","1","6","1") = "5"
    & skf21("4","1","1","6","1","1","7","1") = "6"
    & skf21("4","1","1","6","1","2","1","1") = "5"
    & skf21("4","1","1","6","1","2","2","1") = "5"
    & skf21("4","1","1","6","1","2","3","1") = "5"
    & skf21("4","1","1","6","1","2","4","1") = "5"
    & skf21("4","1","1","6","1","2","5","1") = "5"
    & skf21("4","1","1","6","1","2","6","1") = "5"
    & skf21("4","1","1","6","1","2","7","1") = "6"
    & skf21("4","1","1","6","1","3","1","1") = "5"
    & skf21("4","1","1","6","1","3","2","1") = "5"
    & skf21("4","1","1","6","1","3","3","1") = "5"
    & skf21("4","1","1","6","1","3","4","1") = "5"
    & skf21("4","1","1","6","1","3","5","1") = "5"
    & skf21("4","1","1","6","1","3","6","1") = "5"
    & skf21("4","1","1","6","1","3","7","1") = "6"
    & skf21("4","1","1","6","1","4","1","1") = "5"
    & skf21("4","1","1","6","1","4","2","1") = "5"
    & skf21("4","1","1","6","1","4","3","1") = "5"
    & skf21("4","1","1","6","1","4","4","1") = "5"
    & skf21("4","1","1","6","1","4","5","1") = "5"
    & skf21("4","1","1","6","1","4","6","1") = "5"
    & skf21("4","1","1","6","1","4","7","1") = "6"
    & skf21("4","1","1","6","1","5","1","1") = "5"
    & skf21("4","1","1","6","1","5","2","1") = "5"
    & skf21("4","1","1","6","1","5","3","1") = "5"
    & skf21("4","1","1","6","1","5","4","1") = "5"
    & skf21("4","1","1","6","1","5","5","1") = "5"
    & skf21("4","1","1","6","1","5","6","1") = "5"
    & skf21("4","1","1","6","1","5","7","1") = "6"
    & skf21("4","1","1","6","1","6","1","1") = "5"
    & skf21("4","1","1","6","1","6","2","1") = "5"
    & skf21("4","1","1","6","1","6","3","1") = "5"
    & skf21("4","1","1","6","1","6","4","1") = "5"
    & skf21("4","1","1","6","1","6","5","1") = "5"
    & skf21("4","1","1","6","1","6","6","1") = "5"
    & skf21("4","1","1","6","1","6","7","1") = "6"
    & skf21("4","1","1","6","1","7","1","1") = "6"
    & skf21("4","1","1","6","1","7","2","1") = "6"
    & skf21("4","1","1","6","1","7","3","1") = "6"
    & skf21("4","1","1","6","1","7","4","1") = "6"
    & skf21("4","1","1","6","1","7","5","1") = "6"
    & skf21("4","1","1","6","1","7","6","1") = "6"
    & skf21("4","1","1","6","1","7","7","1") = "6"
    & skf21("4","1","1","6","2","1","1","1") = "5"
    & skf21("4","1","1","6","2","1","2","1") = "5"
    & skf21("4","1","1","6","2","1","3","1") = "5"
    & skf21("4","1","1","6","2","1","4","1") = "5"
    & skf21("4","1","1","6","2","1","5","1") = "5"
    & skf21("4","1","1","6","2","1","6","1") = "5"
    & skf21("4","1","1","6","2","1","7","1") = "6"
    & skf21("4","1","1","6","2","2","1","1") = "5"
    & skf21("4","1","1","6","2","2","2","1") = "5"
    & skf21("4","1","1","6","2","2","3","1") = "5"
    & skf21("4","1","1","6","2","2","4","1") = "5"
    & skf21("4","1","1","6","2","2","5","1") = "5"
    & skf21("4","1","1","6","2","2","6","1") = "5"
    & skf21("4","1","1","6","2","2","7","1") = "6"
    & skf21("4","1","1","6","2","3","1","1") = "5"
    & skf21("4","1","1","6","2","3","2","1") = "5"
    & skf21("4","1","1","6","2","3","3","1") = "5"
    & skf21("4","1","1","6","2","3","4","1") = "5"
    & skf21("4","1","1","6","2","3","5","1") = "5"
    & skf21("4","1","1","6","2","3","6","1") = "5"
    & skf21("4","1","1","6","2","3","7","1") = "6"
    & skf21("4","1","1","6","2","4","1","1") = "5"
    & skf21("4","1","1","6","2","4","2","1") = "5"
    & skf21("4","1","1","6","2","4","3","1") = "5"
    & skf21("4","1","1","6","2","4","4","1") = "5"
    & skf21("4","1","1","6","2","4","5","1") = "5"
    & skf21("4","1","1","6","2","4","6","1") = "5"
    & skf21("4","1","1","6","2","4","7","1") = "6"
    & skf21("4","1","1","6","2","5","1","1") = "5"
    & skf21("4","1","1","6","2","5","2","1") = "5"
    & skf21("4","1","1","6","2","5","3","1") = "5"
    & skf21("4","1","1","6","2","5","4","1") = "5"
    & skf21("4","1","1","6","2","5","5","1") = "5"
    & skf21("4","1","1","6","2","5","6","1") = "5"
    & skf21("4","1","1","6","2","5","7","1") = "6"
    & skf21("4","1","1","6","2","6","1","1") = "5"
    & skf21("4","1","1","6","2","6","2","1") = "5"
    & skf21("4","1","1","6","2","6","3","1") = "5"
    & skf21("4","1","1","6","2","6","4","1") = "5"
    & skf21("4","1","1","6","2","6","5","1") = "5"
    & skf21("4","1","1","6","2","6","6","1") = "5"
    & skf21("4","1","1","6","2","6","7","1") = "6"
    & skf21("4","1","1","6","2","7","1","1") = "6"
    & skf21("4","1","1","6","2","7","2","1") = "6"
    & skf21("4","1","1","6","2","7","3","1") = "6"
    & skf21("4","1","1","6","2","7","4","1") = "6"
    & skf21("4","1","1","6","2","7","5","1") = "6"
    & skf21("4","1","1","6","2","7","6","1") = "6"
    & skf21("4","1","1","6","2","7","7","1") = "6"
    & skf21("4","1","1","6","3","1","1","1") = "5"
    & skf21("4","1","1","6","3","1","2","1") = "5"
    & skf21("4","1","1","6","3","1","3","1") = "5"
    & skf21("4","1","1","6","3","1","4","1") = "5"
    & skf21("4","1","1","6","3","1","5","1") = "5"
    & skf21("4","1","1","6","3","1","6","1") = "5"
    & skf21("4","1","1","6","3","1","7","1") = "6"
    & skf21("4","1","1","6","3","2","1","1") = "5"
    & skf21("4","1","1","6","3","2","2","1") = "5"
    & skf21("4","1","1","6","3","2","3","1") = "5"
    & skf21("4","1","1","6","3","2","4","1") = "5"
    & skf21("4","1","1","6","3","2","5","1") = "5"
    & skf21("4","1","1","6","3","2","6","1") = "5"
    & skf21("4","1","1","6","3","2","7","1") = "6"
    & skf21("4","1","1","6","3","3","1","1") = "5"
    & skf21("4","1","1","6","3","3","2","1") = "5"
    & skf21("4","1","1","6","3","3","3","1") = "5"
    & skf21("4","1","1","6","3","3","4","1") = "5"
    & skf21("4","1","1","6","3","3","5","1") = "5"
    & skf21("4","1","1","6","3","3","6","1") = "5"
    & skf21("4","1","1","6","3","3","7","1") = "6"
    & skf21("4","1","1","6","3","4","1","1") = "5"
    & skf21("4","1","1","6","3","4","2","1") = "5"
    & skf21("4","1","1","6","3","4","3","1") = "5"
    & skf21("4","1","1","6","3","4","4","1") = "5"
    & skf21("4","1","1","6","3","4","5","1") = "5"
    & skf21("4","1","1","6","3","4","6","1") = "5"
    & skf21("4","1","1","6","3","4","7","1") = "6"
    & skf21("4","1","1","6","3","5","1","1") = "5"
    & skf21("4","1","1","6","3","5","2","1") = "5"
    & skf21("4","1","1","6","3","5","3","1") = "5"
    & skf21("4","1","1","6","3","5","4","1") = "5"
    & skf21("4","1","1","6","3","5","5","1") = "5"
    & skf21("4","1","1","6","3","5","6","1") = "5"
    & skf21("4","1","1","6","3","5","7","1") = "6"
    & skf21("4","1","1","6","3","6","1","1") = "5"
    & skf21("4","1","1","6","3","6","2","1") = "5"
    & skf21("4","1","1","6","3","6","3","1") = "5"
    & skf21("4","1","1","6","3","6","4","1") = "5"
    & skf21("4","1","1","6","3","6","5","1") = "5"
    & skf21("4","1","1","6","3","6","6","1") = "5"
    & skf21("4","1","1","6","3","6","7","1") = "6"
    & skf21("4","1","1","6","3","7","1","1") = "6"
    & skf21("4","1","1","6","3","7","2","1") = "6"
    & skf21("4","1","1","6","3","7","3","1") = "6"
    & skf21("4","1","1","6","3","7","4","1") = "6"
    & skf21("4","1","1","6","3","7","5","1") = "6"
    & skf21("4","1","1","6","3","7","6","1") = "6"
    & skf21("4","1","1","6","3","7","7","1") = "6"
    & skf21("4","1","1","6","4","1","1","1") = "5"
    & skf21("4","1","1","6","4","1","2","1") = "5"
    & skf21("4","1","1","6","4","1","3","1") = "5"
    & skf21("4","1","1","6","4","1","4","1") = "5"
    & skf21("4","1","1","6","4","1","5","1") = "5"
    & skf21("4","1","1","6","4","1","6","1") = "5"
    & skf21("4","1","1","6","4","1","7","1") = "6"
    & skf21("4","1","1","6","4","2","1","1") = "5"
    & skf21("4","1","1","6","4","2","2","1") = "5"
    & skf21("4","1","1","6","4","2","3","1") = "5"
    & skf21("4","1","1","6","4","2","4","1") = "5"
    & skf21("4","1","1","6","4","2","5","1") = "5"
    & skf21("4","1","1","6","4","2","6","1") = "5"
    & skf21("4","1","1","6","4","2","7","1") = "6"
    & skf21("4","1","1","6","4","3","1","1") = "5"
    & skf21("4","1","1","6","4","3","2","1") = "5"
    & skf21("4","1","1","6","4","3","3","1") = "5"
    & skf21("4","1","1","6","4","3","4","1") = "5"
    & skf21("4","1","1","6","4","3","5","1") = "5"
    & skf21("4","1","1","6","4","3","6","1") = "5"
    & skf21("4","1","1","6","4","3","7","1") = "6"
    & skf21("4","1","1","6","4","4","1","1") = "5"
    & skf21("4","1","1","6","4","4","2","1") = "5"
    & skf21("4","1","1","6","4","4","3","1") = "5"
    & skf21("4","1","1","6","4","4","4","1") = "5"
    & skf21("4","1","1","6","4","4","5","1") = "5"
    & skf21("4","1","1","6","4","4","6","1") = "5"
    & skf21("4","1","1","6","4","4","7","1") = "6"
    & skf21("4","1","1","6","4","5","1","1") = "5"
    & skf21("4","1","1","6","4","5","2","1") = "5"
    & skf21("4","1","1","6","4","5","3","1") = "5"
    & skf21("4","1","1","6","4","5","4","1") = "5"
    & skf21("4","1","1","6","4","5","5","1") = "5"
    & skf21("4","1","1","6","4","5","6","1") = "5"
    & skf21("4","1","1","6","4","5","7","1") = "6"
    & skf21("4","1","1","6","4","6","1","1") = "5"
    & skf21("4","1","1","6","4","6","2","1") = "5"
    & skf21("4","1","1","6","4","6","3","1") = "5"
    & skf21("4","1","1","6","4","6","4","1") = "5"
    & skf21("4","1","1","6","4","6","5","1") = "5"
    & skf21("4","1","1","6","4","6","6","1") = "5"
    & skf21("4","1","1","6","4","6","7","1") = "6"
    & skf21("4","1","1","6","4","7","1","1") = "6"
    & skf21("4","1","1","6","4","7","2","1") = "6"
    & skf21("4","1","1","6","4","7","3","1") = "6"
    & skf21("4","1","1","6","4","7","4","1") = "6"
    & skf21("4","1","1","6","4","7","5","1") = "6"
    & skf21("4","1","1","6","4","7","6","1") = "6"
    & skf21("4","1","1","6","4","7","7","1") = "6"
    & skf21("4","1","1","6","5","1","1","1") = "5"
    & skf21("4","1","1","6","5","1","2","1") = "5"
    & skf21("4","1","1","6","5","1","3","1") = "5"
    & skf21("4","1","1","6","5","1","4","1") = "5"
    & skf21("4","1","1","6","5","1","5","1") = "5"
    & skf21("4","1","1","6","5","1","6","1") = "5"
    & skf21("4","1","1","6","5","1","7","1") = "6"
    & skf21("4","1","1","6","5","2","1","1") = "5"
    & skf21("4","1","1","6","5","2","2","1") = "5"
    & skf21("4","1","1","6","5","2","3","1") = "5"
    & skf21("4","1","1","6","5","2","4","1") = "5"
    & skf21("4","1","1","6","5","2","5","1") = "5"
    & skf21("4","1","1","6","5","2","6","1") = "5"
    & skf21("4","1","1","6","5","2","7","1") = "6"
    & skf21("4","1","1","6","5","3","1","1") = "5"
    & skf21("4","1","1","6","5","3","2","1") = "5"
    & skf21("4","1","1","6","5","3","3","1") = "5"
    & skf21("4","1","1","6","5","3","4","1") = "5"
    & skf21("4","1","1","6","5","3","5","1") = "5"
    & skf21("4","1","1","6","5","3","6","1") = "5"
    & skf21("4","1","1","6","5","3","7","1") = "6"
    & skf21("4","1","1","6","5","4","1","1") = "5"
    & skf21("4","1","1","6","5","4","2","1") = "5"
    & skf21("4","1","1","6","5","4","3","1") = "5"
    & skf21("4","1","1","6","5","4","4","1") = "5"
    & skf21("4","1","1","6","5","4","5","1") = "5"
    & skf21("4","1","1","6","5","4","6","1") = "5"
    & skf21("4","1","1","6","5","4","7","1") = "6"
    & skf21("4","1","1","6","5","5","1","1") = "5"
    & skf21("4","1","1","6","5","5","2","1") = "5"
    & skf21("4","1","1","6","5","5","3","1") = "5"
    & skf21("4","1","1","6","5","5","4","1") = "5"
    & skf21("4","1","1","6","5","5","5","1") = "5"
    & skf21("4","1","1","6","5","5","6","1") = "5"
    & skf21("4","1","1","6","5","5","7","1") = "6"
    & skf21("4","1","1","6","5","6","1","1") = "5"
    & skf21("4","1","1","6","5","6","2","1") = "5"
    & skf21("4","1","1","6","5","6","3","1") = "5"
    & skf21("4","1","1","6","5","6","4","1") = "5"
    & skf21("4","1","1","6","5","6","5","1") = "5"
    & skf21("4","1","1","6","5","6","6","1") = "5"
    & skf21("4","1","1","6","5","6","7","1") = "6"
    & skf21("4","1","1","6","5","7","1","1") = "6"
    & skf21("4","1","1","6","5","7","2","1") = "6"
    & skf21("4","1","1","6","5","7","3","1") = "6"
    & skf21("4","1","1","6","5","7","4","1") = "6"
    & skf21("4","1","1","6","5","7","5","1") = "6"
    & skf21("4","1","1","6","5","7","6","1") = "6"
    & skf21("4","1","1","6","5","7","7","1") = "6"
    & skf21("4","1","1","6","6","1","1","1") = "5"
    & skf21("4","1","1","6","6","1","2","1") = "5"
    & skf21("4","1","1","6","6","1","3","1") = "5"
    & skf21("4","1","1","6","6","1","4","1") = "5"
    & skf21("4","1","1","6","6","1","5","1") = "5"
    & skf21("4","1","1","6","6","1","6","1") = "5"
    & skf21("4","1","1","6","6","1","7","1") = "6"
    & skf21("4","1","1","6","6","2","1","1") = "5"
    & skf21("4","1","1","6","6","2","2","1") = "5"
    & skf21("4","1","1","6","6","2","3","1") = "5"
    & skf21("4","1","1","6","6","2","4","1") = "5"
    & skf21("4","1","1","6","6","2","5","1") = "5"
    & skf21("4","1","1","6","6","2","6","1") = "5"
    & skf21("4","1","1","6","6","2","7","1") = "6"
    & skf21("4","1","1","6","6","3","1","1") = "5"
    & skf21("4","1","1","6","6","3","2","1") = "5"
    & skf21("4","1","1","6","6","3","3","1") = "5"
    & skf21("4","1","1","6","6","3","4","1") = "5"
    & skf21("4","1","1","6","6","3","5","1") = "5"
    & skf21("4","1","1","6","6","3","6","1") = "5"
    & skf21("4","1","1","6","6","3","7","1") = "6"
    & skf21("4","1","1","6","6","4","1","1") = "5"
    & skf21("4","1","1","6","6","4","2","1") = "5"
    & skf21("4","1","1","6","6","4","3","1") = "5"
    & skf21("4","1","1","6","6","4","4","1") = "5"
    & skf21("4","1","1","6","6","4","5","1") = "5"
    & skf21("4","1","1","6","6","4","6","1") = "5"
    & skf21("4","1","1","6","6","4","7","1") = "6"
    & skf21("4","1","1","6","6","5","1","1") = "5"
    & skf21("4","1","1","6","6","5","2","1") = "5"
    & skf21("4","1","1","6","6","5","3","1") = "5"
    & skf21("4","1","1","6","6","5","4","1") = "5"
    & skf21("4","1","1","6","6","5","5","1") = "5"
    & skf21("4","1","1","6","6","5","6","1") = "5"
    & skf21("4","1","1","6","6","5","7","1") = "6"
    & skf21("4","1","1","6","6","6","1","1") = "5"
    & skf21("4","1","1","6","6","6","2","1") = "5"
    & skf21("4","1","1","6","6","6","3","1") = "5"
    & skf21("4","1","1","6","6","6","4","1") = "5"
    & skf21("4","1","1","6","6","6","5","1") = "5"
    & skf21("4","1","1","6","6","6","6","1") = "5"
    & skf21("4","1","1","6","6","6","7","1") = "6"
    & skf21("4","1","1","6","6","7","1","1") = "6"
    & skf21("4","1","1","6","6","7","2","1") = "6"
    & skf21("4","1","1","6","6","7","3","1") = "6"
    & skf21("4","1","1","6","6","7","4","1") = "6"
    & skf21("4","1","1","6","6","7","5","1") = "6"
    & skf21("4","1","1","6","6","7","6","1") = "6"
    & skf21("4","1","1","6","6","7","7","1") = "6"
    & skf21("4","1","1","6","7","1","1","1") = "6"
    & skf21("4","1","1","6","7","1","2","1") = "6"
    & skf21("4","1","1","6","7","1","3","1") = "6"
    & skf21("4","1","1","6","7","1","4","1") = "6"
    & skf21("4","1","1","6","7","1","5","1") = "6"
    & skf21("4","1","1","6","7","1","6","1") = "6"
    & skf21("4","1","1","6","7","1","7","1") = "6"
    & skf21("4","1","1","6","7","2","1","1") = "6"
    & skf21("4","1","1","6","7","2","2","1") = "6"
    & skf21("4","1","1","6","7","2","3","1") = "6"
    & skf21("4","1","1","6","7","2","4","1") = "6"
    & skf21("4","1","1","6","7","2","5","1") = "6"
    & skf21("4","1","1","6","7","2","6","1") = "6"
    & skf21("4","1","1","6","7","2","7","1") = "6"
    & skf21("4","1","1","6","7","3","1","1") = "6"
    & skf21("4","1","1","6","7","3","2","1") = "6"
    & skf21("4","1","1","6","7","3","3","1") = "6"
    & skf21("4","1","1","6","7","3","4","1") = "6"
    & skf21("4","1","1","6","7","3","5","1") = "6"
    & skf21("4","1","1","6","7","3","6","1") = "6"
    & skf21("4","1","1","6","7","3","7","1") = "6"
    & skf21("4","1","1","6","7","4","1","1") = "6"
    & skf21("4","1","1","6","7","4","2","1") = "6"
    & skf21("4","1","1","6","7","4","3","1") = "6"
    & skf21("4","1","1","6","7","4","4","1") = "6"
    & skf21("4","1","1","6","7","4","5","1") = "6"
    & skf21("4","1","1","6","7","4","6","1") = "6"
    & skf21("4","1","1","6","7","4","7","1") = "6"
    & skf21("4","1","1","6","7","5","1","1") = "6"
    & skf21("4","1","1","6","7","5","2","1") = "6"
    & skf21("4","1","1","6","7","5","3","1") = "6"
    & skf21("4","1","1","6","7","5","4","1") = "6"
    & skf21("4","1","1","6","7","5","5","1") = "6"
    & skf21("4","1","1","6","7","5","6","1") = "6"
    & skf21("4","1","1","6","7","5","7","1") = "6"
    & skf21("4","1","1","6","7","6","1","1") = "6"
    & skf21("4","1","1","6","7","6","2","1") = "6"
    & skf21("4","1","1","6","7","6","3","1") = "6"
    & skf21("4","1","1","6","7","6","4","1") = "6"
    & skf21("4","1","1","6","7","6","5","1") = "6"
    & skf21("4","1","1","6","7","6","6","1") = "6"
    & skf21("4","1","1","6","7","6","7","1") = "6"
    & skf21("4","1","1","6","7","7","1","1") = "6"
    & skf21("4","1","1","6","7","7","2","1") = "6"
    & skf21("4","1","1","6","7","7","3","1") = "6"
    & skf21("4","1","1","6","7","7","4","1") = "6"
    & skf21("4","1","1","6","7","7","5","1") = "6"
    & skf21("4","1","1","6","7","7","6","1") = "6"
    & skf21("4","1","1","6","7","7","7","1") = "6"
    & skf21("4","1","1","7","1","1","1","1") = "6"
    & skf21("4","1","1","7","1","1","2","1") = "6"
    & skf21("4","1","1","7","1","1","3","1") = "6"
    & skf21("4","1","1","7","1","1","4","1") = "6"
    & skf21("4","1","1","7","1","1","5","1") = "6"
    & skf21("4","1","1","7","1","1","6","1") = "6"
    & skf21("4","1","1","7","1","1","7","1") = "6"
    & skf21("4","1","1","7","1","2","1","1") = "6"
    & skf21("4","1","1","7","1","2","2","1") = "6"
    & skf21("4","1","1","7","1","2","3","1") = "6"
    & skf21("4","1","1","7","1","2","4","1") = "6"
    & skf21("4","1","1","7","1","2","5","1") = "6"
    & skf21("4","1","1","7","1","2","6","1") = "6"
    & skf21("4","1","1","7","1","2","7","1") = "6"
    & skf21("4","1","1","7","1","3","1","1") = "6"
    & skf21("4","1","1","7","1","3","2","1") = "6"
    & skf21("4","1","1","7","1","3","3","1") = "6"
    & skf21("4","1","1","7","1","3","4","1") = "6"
    & skf21("4","1","1","7","1","3","5","1") = "6"
    & skf21("4","1","1","7","1","3","6","1") = "6"
    & skf21("4","1","1","7","1","3","7","1") = "6"
    & skf21("4","1","1","7","1","4","1","1") = "6"
    & skf21("4","1","1","7","1","4","2","1") = "6"
    & skf21("4","1","1","7","1","4","3","1") = "6"
    & skf21("4","1","1","7","1","4","4","1") = "6"
    & skf21("4","1","1","7","1","4","5","1") = "6"
    & skf21("4","1","1","7","1","4","6","1") = "6"
    & skf21("4","1","1","7","1","4","7","1") = "6"
    & skf21("4","1","1","7","1","5","1","1") = "6"
    & skf21("4","1","1","7","1","5","2","1") = "6"
    & skf21("4","1","1","7","1","5","3","1") = "6"
    & skf21("4","1","1","7","1","5","4","1") = "6"
    & skf21("4","1","1","7","1","5","5","1") = "6"
    & skf21("4","1","1","7","1","5","6","1") = "6"
    & skf21("4","1","1","7","1","5","7","1") = "6"
    & skf21("4","1","1","7","1","6","1","1") = "6"
    & skf21("4","1","1","7","1","6","2","1") = "6"
    & skf21("4","1","1","7","1","6","3","1") = "6"
    & skf21("4","1","1","7","1","6","4","1") = "6"
    & skf21("4","1","1","7","1","6","5","1") = "6"
    & skf21("4","1","1","7","1","6","6","1") = "6"
    & skf21("4","1","1","7","1","6","7","1") = "6"
    & skf21("4","1","1","7","1","7","1","1") = "6"
    & skf21("4","1","1","7","1","7","2","1") = "6"
    & skf21("4","1","1","7","1","7","3","1") = "6"
    & skf21("4","1","1","7","1","7","4","1") = "6"
    & skf21("4","1","1","7","1","7","5","1") = "6"
    & skf21("4","1","1","7","1","7","6","1") = "6"
    & skf21("4","1","1","7","1","7","7","1") = "6"
    & skf21("4","1","1","7","2","1","1","1") = "6"
    & skf21("4","1","1","7","2","1","2","1") = "6"
    & skf21("4","1","1","7","2","1","3","1") = "6"
    & skf21("4","1","1","7","2","1","4","1") = "6"
    & skf21("4","1","1","7","2","1","5","1") = "6"
    & skf21("4","1","1","7","2","1","6","1") = "6"
    & skf21("4","1","1","7","2","1","7","1") = "6"
    & skf21("4","1","1","7","2","2","1","1") = "6"
    & skf21("4","1","1","7","2","2","2","1") = "6"
    & skf21("4","1","1","7","2","2","3","1") = "6"
    & skf21("4","1","1","7","2","2","4","1") = "6"
    & skf21("4","1","1","7","2","2","5","1") = "6"
    & skf21("4","1","1","7","2","2","6","1") = "6"
    & skf21("4","1","1","7","2","2","7","1") = "6"
    & skf21("4","1","1","7","2","3","1","1") = "6"
    & skf21("4","1","1","7","2","3","2","1") = "6"
    & skf21("4","1","1","7","2","3","3","1") = "6"
    & skf21("4","1","1","7","2","3","4","1") = "6"
    & skf21("4","1","1","7","2","3","5","1") = "6"
    & skf21("4","1","1","7","2","3","6","1") = "6"
    & skf21("4","1","1","7","2","3","7","1") = "6"
    & skf21("4","1","1","7","2","4","1","1") = "6"
    & skf21("4","1","1","7","2","4","2","1") = "6"
    & skf21("4","1","1","7","2","4","3","1") = "6"
    & skf21("4","1","1","7","2","4","4","1") = "6"
    & skf21("4","1","1","7","2","4","5","1") = "6"
    & skf21("4","1","1","7","2","4","6","1") = "6"
    & skf21("4","1","1","7","2","4","7","1") = "6"
    & skf21("4","1","1","7","2","5","1","1") = "6"
    & skf21("4","1","1","7","2","5","2","1") = "6"
    & skf21("4","1","1","7","2","5","3","1") = "6"
    & skf21("4","1","1","7","2","5","4","1") = "6"
    & skf21("4","1","1","7","2","5","5","1") = "6"
    & skf21("4","1","1","7","2","5","6","1") = "6"
    & skf21("4","1","1","7","2","5","7","1") = "6"
    & skf21("4","1","1","7","2","6","1","1") = "6"
    & skf21("4","1","1","7","2","6","2","1") = "6"
    & skf21("4","1","1","7","2","6","3","1") = "6"
    & skf21("4","1","1","7","2","6","4","1") = "6"
    & skf21("4","1","1","7","2","6","5","1") = "6"
    & skf21("4","1","1","7","2","6","6","1") = "6"
    & skf21("4","1","1","7","2","6","7","1") = "6"
    & skf21("4","1","1","7","2","7","1","1") = "6"
    & skf21("4","1","1","7","2","7","2","1") = "6"
    & skf21("4","1","1","7","2","7","3","1") = "6"
    & skf21("4","1","1","7","2","7","4","1") = "6"
    & skf21("4","1","1","7","2","7","5","1") = "6"
    & skf21("4","1","1","7","2","7","6","1") = "6"
    & skf21("4","1","1","7","2","7","7","1") = "6"
    & skf21("4","1","1","7","3","1","1","1") = "6"
    & skf21("4","1","1","7","3","1","2","1") = "6"
    & skf21("4","1","1","7","3","1","3","1") = "6"
    & skf21("4","1","1","7","3","1","4","1") = "6"
    & skf21("4","1","1","7","3","1","5","1") = "6"
    & skf21("4","1","1","7","3","1","6","1") = "6"
    & skf21("4","1","1","7","3","1","7","1") = "6"
    & skf21("4","1","1","7","3","2","1","1") = "6"
    & skf21("4","1","1","7","3","2","2","1") = "6"
    & skf21("4","1","1","7","3","2","3","1") = "6"
    & skf21("4","1","1","7","3","2","4","1") = "6"
    & skf21("4","1","1","7","3","2","5","1") = "6"
    & skf21("4","1","1","7","3","2","6","1") = "6"
    & skf21("4","1","1","7","3","2","7","1") = "6"
    & skf21("4","1","1","7","3","3","1","1") = "6"
    & skf21("4","1","1","7","3","3","2","1") = "6"
    & skf21("4","1","1","7","3","3","3","1") = "6"
    & skf21("4","1","1","7","3","3","4","1") = "6"
    & skf21("4","1","1","7","3","3","5","1") = "6"
    & skf21("4","1","1","7","3","3","6","1") = "6"
    & skf21("4","1","1","7","3","3","7","1") = "6"
    & skf21("4","1","1","7","3","4","1","1") = "6"
    & skf21("4","1","1","7","3","4","2","1") = "6"
    & skf21("4","1","1","7","3","4","3","1") = "6"
    & skf21("4","1","1","7","3","4","4","1") = "6"
    & skf21("4","1","1","7","3","4","5","1") = "6"
    & skf21("4","1","1","7","3","4","6","1") = "6"
    & skf21("4","1","1","7","3","4","7","1") = "6"
    & skf21("4","1","1","7","3","5","1","1") = "6"
    & skf21("4","1","1","7","3","5","2","1") = "6"
    & skf21("4","1","1","7","3","5","3","1") = "6"
    & skf21("4","1","1","7","3","5","4","1") = "6"
    & skf21("4","1","1","7","3","5","5","1") = "6"
    & skf21("4","1","1","7","3","5","6","1") = "6"
    & skf21("4","1","1","7","3","5","7","1") = "6"
    & skf21("4","1","1","7","3","6","1","1") = "6"
    & skf21("4","1","1","7","3","6","2","1") = "6"
    & skf21("4","1","1","7","3","6","3","1") = "6"
    & skf21("4","1","1","7","3","6","4","1") = "6"
    & skf21("4","1","1","7","3","6","5","1") = "6"
    & skf21("4","1","1","7","3","6","6","1") = "6"
    & skf21("4","1","1","7","3","6","7","1") = "6"
    & skf21("4","1","1","7","3","7","1","1") = "6"
    & skf21("4","1","1","7","3","7","2","1") = "6"
    & skf21("4","1","1","7","3","7","3","1") = "6"
    & skf21("4","1","1","7","3","7","4","1") = "6"
    & skf21("4","1","1","7","3","7","5","1") = "6"
    & skf21("4","1","1","7","3","7","6","1") = "6"
    & skf21("4","1","1","7","3","7","7","1") = "6"
    & skf21("4","1","1","7","4","1","1","1") = "6"
    & skf21("4","1","1","7","4","1","2","1") = "6"
    & skf21("4","1","1","7","4","1","3","1") = "6"
    & skf21("4","1","1","7","4","1","4","1") = "6"
    & skf21("4","1","1","7","4","1","5","1") = "6"
    & skf21("4","1","1","7","4","1","6","1") = "6"
    & skf21("4","1","1","7","4","1","7","1") = "6"
    & skf21("4","1","1","7","4","2","1","1") = "6"
    & skf21("4","1","1","7","4","2","2","1") = "6"
    & skf21("4","1","1","7","4","2","3","1") = "6"
    & skf21("4","1","1","7","4","2","4","1") = "6"
    & skf21("4","1","1","7","4","2","5","1") = "6"
    & skf21("4","1","1","7","4","2","6","1") = "6"
    & skf21("4","1","1","7","4","2","7","1") = "6"
    & skf21("4","1","1","7","4","3","1","1") = "6"
    & skf21("4","1","1","7","4","3","2","1") = "6"
    & skf21("4","1","1","7","4","3","3","1") = "6"
    & skf21("4","1","1","7","4","3","4","1") = "6"
    & skf21("4","1","1","7","4","3","5","1") = "6"
    & skf21("4","1","1","7","4","3","6","1") = "6"
    & skf21("4","1","1","7","4","3","7","1") = "6"
    & skf21("4","1","1","7","4","4","1","1") = "6"
    & skf21("4","1","1","7","4","4","2","1") = "6"
    & skf21("4","1","1","7","4","4","3","1") = "6"
    & skf21("4","1","1","7","4","4","4","1") = "6"
    & skf21("4","1","1","7","4","4","5","1") = "6"
    & skf21("4","1","1","7","4","4","6","1") = "6"
    & skf21("4","1","1","7","4","4","7","1") = "6"
    & skf21("4","1","1","7","4","5","1","1") = "6"
    & skf21("4","1","1","7","4","5","2","1") = "6"
    & skf21("4","1","1","7","4","5","3","1") = "6"
    & skf21("4","1","1","7","4","5","4","1") = "6"
    & skf21("4","1","1","7","4","5","5","1") = "6"
    & skf21("4","1","1","7","4","5","6","1") = "6"
    & skf21("4","1","1","7","4","5","7","1") = "6"
    & skf21("4","1","1","7","4","6","1","1") = "6"
    & skf21("4","1","1","7","4","6","2","1") = "6"
    & skf21("4","1","1","7","4","6","3","1") = "6"
    & skf21("4","1","1","7","4","6","4","1") = "6"
    & skf21("4","1","1","7","4","6","5","1") = "6"
    & skf21("4","1","1","7","4","6","6","1") = "6"
    & skf21("4","1","1","7","4","6","7","1") = "6"
    & skf21("4","1","1","7","4","7","1","1") = "6"
    & skf21("4","1","1","7","4","7","2","1") = "6"
    & skf21("4","1","1","7","4","7","3","1") = "6"
    & skf21("4","1","1","7","4","7","4","1") = "6"
    & skf21("4","1","1","7","4","7","5","1") = "6"
    & skf21("4","1","1","7","4","7","6","1") = "6"
    & skf21("4","1","1","7","4","7","7","1") = "6"
    & skf21("4","1","1","7","5","1","1","1") = "6"
    & skf21("4","1","1","7","5","1","2","1") = "6"
    & skf21("4","1","1","7","5","1","3","1") = "6"
    & skf21("4","1","1","7","5","1","4","1") = "6"
    & skf21("4","1","1","7","5","1","5","1") = "6"
    & skf21("4","1","1","7","5","1","6","1") = "6"
    & skf21("4","1","1","7","5","1","7","1") = "6"
    & skf21("4","1","1","7","5","2","1","1") = "6"
    & skf21("4","1","1","7","5","2","2","1") = "6"
    & skf21("4","1","1","7","5","2","3","1") = "6"
    & skf21("4","1","1","7","5","2","4","1") = "6"
    & skf21("4","1","1","7","5","2","5","1") = "6"
    & skf21("4","1","1","7","5","2","6","1") = "6"
    & skf21("4","1","1","7","5","2","7","1") = "6"
    & skf21("4","1","1","7","5","3","1","1") = "6"
    & skf21("4","1","1","7","5","3","2","1") = "6"
    & skf21("4","1","1","7","5","3","3","1") = "6"
    & skf21("4","1","1","7","5","3","4","1") = "6"
    & skf21("4","1","1","7","5","3","5","1") = "6"
    & skf21("4","1","1","7","5","3","6","1") = "6"
    & skf21("4","1","1","7","5","3","7","1") = "6"
    & skf21("4","1","1","7","5","4","1","1") = "6"
    & skf21("4","1","1","7","5","4","2","1") = "6"
    & skf21("4","1","1","7","5","4","3","1") = "6"
    & skf21("4","1","1","7","5","4","4","1") = "6"
    & skf21("4","1","1","7","5","4","5","1") = "6"
    & skf21("4","1","1","7","5","4","6","1") = "6"
    & skf21("4","1","1","7","5","4","7","1") = "6"
    & skf21("4","1","1","7","5","5","1","1") = "6"
    & skf21("4","1","1","7","5","5","2","1") = "6"
    & skf21("4","1","1","7","5","5","3","1") = "6"
    & skf21("4","1","1","7","5","5","4","1") = "6"
    & skf21("4","1","1","7","5","5","5","1") = "6"
    & skf21("4","1","1","7","5","5","6","1") = "6"
    & skf21("4","1","1","7","5","5","7","1") = "6"
    & skf21("4","1","1","7","5","6","1","1") = "6"
    & skf21("4","1","1","7","5","6","2","1") = "6"
    & skf21("4","1","1","7","5","6","3","1") = "6"
    & skf21("4","1","1","7","5","6","4","1") = "6"
    & skf21("4","1","1","7","5","6","5","1") = "6"
    & skf21("4","1","1","7","5","6","6","1") = "6"
    & skf21("4","1","1","7","5","6","7","1") = "6"
    & skf21("4","1","1","7","5","7","1","1") = "6"
    & skf21("4","1","1","7","5","7","2","1") = "6"
    & skf21("4","1","1","7","5","7","3","1") = "6"
    & skf21("4","1","1","7","5","7","4","1") = "6"
    & skf21("4","1","1","7","5","7","5","1") = "6"
    & skf21("4","1","1","7","5","7","6","1") = "6"
    & skf21("4","1","1","7","5","7","7","1") = "6"
    & skf21("4","1","1","7","6","1","1","1") = "6"
    & skf21("4","1","1","7","6","1","2","1") = "6"
    & skf21("4","1","1","7","6","1","3","1") = "6"
    & skf21("4","1","1","7","6","1","4","1") = "6"
    & skf21("4","1","1","7","6","1","5","1") = "6"
    & skf21("4","1","1","7","6","1","6","1") = "6"
    & skf21("4","1","1","7","6","1","7","1") = "6"
    & skf21("4","1","1","7","6","2","1","1") = "6"
    & skf21("4","1","1","7","6","2","2","1") = "6"
    & skf21("4","1","1","7","6","2","3","1") = "6"
    & skf21("4","1","1","7","6","2","4","1") = "6"
    & skf21("4","1","1","7","6","2","5","1") = "6"
    & skf21("4","1","1","7","6","2","6","1") = "6"
    & skf21("4","1","1","7","6","2","7","1") = "6"
    & skf21("4","1","1","7","6","3","1","1") = "6"
    & skf21("4","1","1","7","6","3","2","1") = "6"
    & skf21("4","1","1","7","6","3","3","1") = "6"
    & skf21("4","1","1","7","6","3","4","1") = "6"
    & skf21("4","1","1","7","6","3","5","1") = "6"
    & skf21("4","1","1","7","6","3","6","1") = "6"
    & skf21("4","1","1","7","6","3","7","1") = "6"
    & skf21("4","1","1","7","6","4","1","1") = "6"
    & skf21("4","1","1","7","6","4","2","1") = "6"
    & skf21("4","1","1","7","6","4","3","1") = "6"
    & skf21("4","1","1","7","6","4","4","1") = "6"
    & skf21("4","1","1","7","6","4","5","1") = "6"
    & skf21("4","1","1","7","6","4","6","1") = "6"
    & skf21("4","1","1","7","6","4","7","1") = "6"
    & skf21("4","1","1","7","6","5","1","1") = "6"
    & skf21("4","1","1","7","6","5","2","1") = "6"
    & skf21("4","1","1","7","6","5","3","1") = "6"
    & skf21("4","1","1","7","6","5","4","1") = "6"
    & skf21("4","1","1","7","6","5","5","1") = "6"
    & skf21("4","1","1","7","6","5","6","1") = "6"
    & skf21("4","1","1","7","6","5","7","1") = "6"
    & skf21("4","1","1","7","6","6","1","1") = "6"
    & skf21("4","1","1","7","6","6","2","1") = "6"
    & skf21("4","1","1","7","6","6","3","1") = "6"
    & skf21("4","1","1","7","6","6","4","1") = "6"
    & skf21("4","1","1","7","6","6","5","1") = "6"
    & skf21("4","1","1","7","6","6","6","1") = "6"
    & skf21("4","1","1","7","6","6","7","1") = "6"
    & skf21("4","1","1","7","6","7","1","1") = "6"
    & skf21("4","1","1","7","6","7","2","1") = "6"
    & skf21("4","1","1","7","6","7","3","1") = "6"
    & skf21("4","1","1","7","6","7","4","1") = "6"
    & skf21("4","1","1","7","6","7","5","1") = "6"
    & skf21("4","1","1","7","6","7","6","1") = "6"
    & skf21("4","1","1","7","6","7","7","1") = "6"
    & skf21("4","1","1","7","7","1","1","1") = "6"
    & skf21("4","1","1","7","7","1","2","1") = "6"
    & skf21("4","1","1","7","7","1","3","1") = "6"
    & skf21("4","1","1","7","7","1","4","1") = "6"
    & skf21("4","1","1","7","7","1","5","1") = "6"
    & skf21("4","1","1","7","7","1","6","1") = "6"
    & skf21("4","1","1","7","7","1","7","1") = "6"
    & skf21("4","1","1","7","7","2","1","1") = "6"
    & skf21("4","1","1","7","7","2","2","1") = "6"
    & skf21("4","1","1","7","7","2","3","1") = "6"
    & skf21("4","1","1","7","7","2","4","1") = "6"
    & skf21("4","1","1","7","7","2","5","1") = "6"
    & skf21("4","1","1","7","7","2","6","1") = "6"
    & skf21("4","1","1","7","7","2","7","1") = "6"
    & skf21("4","1","1","7","7","3","1","1") = "6"
    & skf21("4","1","1","7","7","3","2","1") = "6"
    & skf21("4","1","1","7","7","3","3","1") = "6"
    & skf21("4","1","1","7","7","3","4","1") = "6"
    & skf21("4","1","1","7","7","3","5","1") = "6"
    & skf21("4","1","1","7","7","3","6","1") = "6"
    & skf21("4","1","1","7","7","3","7","1") = "6"
    & skf21("4","1","1","7","7","4","1","1") = "6"
    & skf21("4","1","1","7","7","4","2","1") = "6"
    & skf21("4","1","1","7","7","4","3","1") = "6"
    & skf21("4","1","1","7","7","4","4","1") = "6"
    & skf21("4","1","1","7","7","4","5","1") = "6"
    & skf21("4","1","1","7","7","4","6","1") = "6"
    & skf21("4","1","1","7","7","4","7","1") = "6"
    & skf21("4","1","1","7","7","5","1","1") = "6"
    & skf21("4","1","1","7","7","5","2","1") = "6"
    & skf21("4","1","1","7","7","5","3","1") = "6"
    & skf21("4","1","1","7","7","5","4","1") = "6"
    & skf21("4","1","1","7","7","5","5","1") = "6"
    & skf21("4","1","1","7","7","5","6","1") = "6"
    & skf21("4","1","1","7","7","5","7","1") = "6"
    & skf21("4","1","1","7","7","6","1","1") = "6"
    & skf21("4","1","1","7","7","6","2","1") = "6"
    & skf21("4","1","1","7","7","6","3","1") = "6"
    & skf21("4","1","1","7","7","6","4","1") = "6"
    & skf21("4","1","1","7","7","6","5","1") = "6"
    & skf21("4","1","1","7","7","6","6","1") = "6"
    & skf21("4","1","1","7","7","6","7","1") = "6"
    & skf21("4","1","1","7","7","7","1","1") = "6"
    & skf21("4","1","1","7","7","7","2","1") = "6"
    & skf21("4","1","1","7","7","7","3","1") = "6"
    & skf21("4","1","1","7","7","7","4","1") = "6"
    & skf21("4","1","1","7","7","7","5","1") = "6"
    & skf21("4","1","1","7","7","7","6","1") = "6"
    & skf21("4","1","1","7","7","7","7","1") = "6"
    & skf21("4","1","2","1","1","1","1","1") = "3"
    & skf21("4","1","2","1","1","1","2","1") = "3"
    & skf21("4","1","2","1","1","1","3","1") = "3"
    & skf21("4","1","2","1","1","1","4","1") = "3"
    & skf21("4","1","2","1","1","1","5","1") = "4"
    & skf21("4","1","2","1","1","1","6","1") = "5"
    & skf21("4","1","2","1","1","1","7","1") = "6"
    & skf21("4","1","2","1","1","2","1","1") = "3"
    & skf21("4","1","2","1","1","2","2","1") = "3"
    & skf21("4","1","2","1","1","2","3","1") = "3"
    & skf21("4","1","2","1","1","2","4","1") = "3"
    & skf21("4","1","2","1","1","2","5","1") = "4"
    & skf21("4","1","2","1","1","2","6","1") = "5"
    & skf21("4","1","2","1","1","2","7","1") = "6"
    & skf21("4","1","2","1","1","3","1","1") = "3"
    & skf21("4","1","2","1","1","3","2","1") = "3"
    & skf21("4","1","2","1","1","3","3","1") = "3"
    & skf21("4","1","2","1","1","3","4","1") = "3"
    & skf21("4","1","2","1","1","3","5","1") = "2"
    & skf21("4","1","2","1","1","3","6","1") = "5"
    & skf21("4","1","2","1","1","3","7","1") = "6"
    & skf21("4","1","2","1","1","4","1","1") = "3"
    & skf21("4","1","2","1","1","4","2","1") = "3"
    & skf21("4","1","2","1","1","4","3","1") = "3"
    & skf21("4","1","2","1","1","4","4","1") = "3"
    & skf21("4","1","2","1","1","4","5","1") = "2"
    & skf21("4","1","2","1","1","4","6","1") = "5"
    & skf21("4","1","2","1","1","4","7","1") = "6"
    & skf21("4","1","2","1","1","5","1","1") = "4"
    & skf21("4","1","2","1","1","5","2","1") = "2"
    & skf21("4","1","2","1","1","5","3","1") = "4"
    & skf21("4","1","2","1","1","5","4","1") = "4"
    & skf21("4","1","2","1","1","5","5","1") = "4"
    & skf21("4","1","2","1","1","5","6","1") = "5"
    & skf21("4","1","2","1","1","5","7","1") = "6"
    & skf21("4","1","2","1","1","6","1","1") = "5"
    & skf21("4","1","2","1","1","6","2","1") = "5"
    & skf21("4","1","2","1","1","6","3","1") = "5"
    & skf21("4","1","2","1","1","6","4","1") = "5"
    & skf21("4","1","2","1","1","6","5","1") = "5"
    & skf21("4","1","2","1","1","6","6","1") = "5"
    & skf21("4","1","2","1","1","6","7","1") = "6"
    & skf21("4","1","2","1","1","7","1","1") = "6"
    & skf21("4","1","2","1","1","7","2","1") = "6"
    & skf21("4","1","2","1","1","7","3","1") = "6"
    & skf21("4","1","2","1","1","7","4","1") = "6"
    & skf21("4","1","2","1","1","7","5","1") = "6"
    & skf21("4","1","2","1","1","7","6","1") = "6"
    & skf21("4","1","2","1","1","7","7","1") = "6"
    & skf21("4","1","2","1","2","1","1","1") = "3"
    & skf21("4","1","2","1","2","1","2","1") = "3"
    & skf21("4","1","2","1","2","1","3","1") = "3"
    & skf21("4","1","2","1","2","1","4","1") = "3"
    & skf21("4","1","2","1","2","1","5","1") = "4"
    & skf21("4","1","2","1","2","1","6","1") = "5"
    & skf21("4","1","2","1","2","1","7","1") = "6"
    & skf21("4","1","2","1","2","2","1","1") = "3"
    & skf21("4","1","2","1","2","2","2","1") = "3"
    & skf21("4","1","2","1","2","2","3","1") = "3"
    & skf21("4","1","2","1","2","2","4","1") = "3"
    & skf21("4","1","2","1","2","2","5","1") = "4"
    & skf21("4","1","2","1","2","2","6","1") = "5"
    & skf21("4","1","2","1","2","2","7","1") = "6"
    & skf21("4","1","2","1","2","3","1","1") = "3"
    & skf21("4","1","2","1","2","3","2","1") = "3"
    & skf21("4","1","2","1","2","3","3","1") = "3"
    & skf21("4","1","2","1","2","3","4","1") = "3"
    & skf21("4","1","2","1","2","3","5","1") = "4"
    & skf21("4","1","2","1","2","3","6","1") = "5"
    & skf21("4","1","2","1","2","3","7","1") = "6"
    & skf21("4","1","2","1","2","4","1","1") = "3"
    & skf21("4","1","2","1","2","4","2","1") = "3"
    & skf21("4","1","2","1","2","4","3","1") = "3"
    & skf21("4","1","2","1","2","4","4","1") = "3"
    & skf21("4","1","2","1","2","4","5","1") = "4"
    & skf21("4","1","2","1","2","4","6","1") = "5"
    & skf21("4","1","2","1","2","4","7","1") = "6"
    & skf21("4","1","2","1","2","5","1","1") = "4"
    & skf21("4","1","2","1","2","5","2","1") = "4"
    & skf21("4","1","2","1","2","5","3","1") = "4"
    & skf21("4","1","2","1","2","5","4","1") = "4"
    & skf21("4","1","2","1","2","5","5","1") = "4"
    & skf21("4","1","2","1","2","5","6","1") = "5"
    & skf21("4","1","2","1","2","5","7","1") = "6"
    & skf21("4","1","2","1","2","6","1","1") = "5"
    & skf21("4","1","2","1","2","6","2","1") = "5"
    & skf21("4","1","2","1","2","6","3","1") = "5"
    & skf21("4","1","2","1","2","6","4","1") = "5"
    & skf21("4","1","2","1","2","6","5","1") = "5"
    & skf21("4","1","2","1","2","6","6","1") = "5"
    & skf21("4","1","2","1","2","6","7","1") = "6"
    & skf21("4","1","2","1","2","7","1","1") = "6"
    & skf21("4","1","2","1","2","7","2","1") = "6"
    & skf21("4","1","2","1","2","7","3","1") = "6"
    & skf21("4","1","2","1","2","7","4","1") = "6"
    & skf21("4","1","2","1","2","7","5","1") = "6"
    & skf21("4","1","2","1","2","7","6","1") = "6"
    & skf21("4","1","2","1","2","7","7","1") = "6"
    & skf21("4","1","2","1","3","1","1","1") = "3"
    & skf21("4","1","2","1","3","1","2","1") = "3"
    & skf21("4","1","2","1","3","1","3","1") = "3"
    & skf21("4","1","2","1","3","1","4","1") = "3"
    & skf21("4","1","2","1","3","1","5","1") = "4"
    & skf21("4","1","2","1","3","1","6","1") = "5"
    & skf21("4","1","2","1","3","1","7","1") = "6"
    & skf21("4","1","2","1","3","2","1","1") = "3"
    & skf21("4","1","2","1","3","2","2","1") = "3"
    & skf21("4","1","2","1","3","2","3","1") = "3"
    & skf21("4","1","2","1","3","2","4","1") = "3"
    & skf21("4","1","2","1","3","2","5","1") = "4"
    & skf21("4","1","2","1","3","2","6","1") = "5"
    & skf21("4","1","2","1","3","2","7","1") = "6"
    & skf21("4","1","2","1","3","3","1","1") = "3"
    & skf21("4","1","2","1","3","3","2","1") = "3"
    & skf21("4","1","2","1","3","3","3","1") = "3"
    & skf21("4","1","2","1","3","3","4","1") = "3"
    & skf21("4","1","2","1","3","3","5","1") = "4"
    & skf21("4","1","2","1","3","3","6","1") = "5"
    & skf21("4","1","2","1","3","3","7","1") = "6"
    & skf21("4","1","2","1","3","4","1","1") = "3"
    & skf21("4","1","2","1","3","4","2","1") = "3"
    & skf21("4","1","2","1","3","4","3","1") = "3"
    & skf21("4","1","2","1","3","4","4","1") = "3"
    & skf21("4","1","2","1","3","4","5","1") = "4"
    & skf21("4","1","2","1","3","4","6","1") = "5"
    & skf21("4","1","2","1","3","4","7","1") = "6"
    & skf21("4","1","2","1","3","5","1","1") = "4"
    & skf21("4","1","2","1","3","5","2","1") = "4"
    & skf21("4","1","2","1","3","5","3","1") = "4"
    & skf21("4","1","2","1","3","5","4","1") = "4"
    & skf21("4","1","2","1","3","5","5","1") = "4"
    & skf21("4","1","2","1","3","5","6","1") = "5"
    & skf21("4","1","2","1","3","5","7","1") = "6"
    & skf21("4","1","2","1","3","6","1","1") = "5"
    & skf21("4","1","2","1","3","6","2","1") = "5"
    & skf21("4","1","2","1","3","6","3","1") = "5"
    & skf21("4","1","2","1","3","6","4","1") = "5"
    & skf21("4","1","2","1","3","6","5","1") = "5"
    & skf21("4","1","2","1","3","6","6","1") = "5"
    & skf21("4","1","2","1","3","6","7","1") = "6"
    & skf21("4","1","2","1","3","7","1","1") = "6"
    & skf21("4","1","2","1","3","7","2","1") = "6"
    & skf21("4","1","2","1","3","7","3","1") = "6"
    & skf21("4","1","2","1","3","7","4","1") = "6"
    & skf21("4","1","2","1","3","7","5","1") = "6"
    & skf21("4","1","2","1","3","7","6","1") = "6"
    & skf21("4","1","2","1","3","7","7","1") = "6"
    & skf21("4","1","2","1","4","1","1","1") = "3"
    & skf21("4","1","2","1","4","1","2","1") = "3"
    & skf21("4","1","2","1","4","1","3","1") = "3"
    & skf21("4","1","2","1","4","1","4","1") = "3"
    & skf21("4","1","2","1","4","1","5","1") = "4"
    & skf21("4","1","2","1","4","1","6","1") = "5"
    & skf21("4","1","2","1","4","1","7","1") = "6"
    & skf21("4","1","2","1","4","2","1","1") = "3"
    & skf21("4","1","2","1","4","2","2","1") = "3"
    & skf21("4","1","2","1","4","2","3","1") = "3"
    & skf21("4","1","2","1","4","2","4","1") = "3"
    & skf21("4","1","2","1","4","2","5","1") = "4"
    & skf21("4","1","2","1","4","2","6","1") = "5"
    & skf21("4","1","2","1","4","2","7","1") = "6"
    & skf21("4","1","2","1","4","3","1","1") = "3"
    & skf21("4","1","2","1","4","3","2","1") = "3"
    & skf21("4","1","2","1","4","3","3","1") = "3"
    & skf21("4","1","2","1","4","3","4","1") = "3"
    & skf21("4","1","2","1","4","3","5","1") = "4"
    & skf21("4","1","2","1","4","3","6","1") = "5"
    & skf21("4","1","2","1","4","3","7","1") = "6"
    & skf21("4","1","2","1","4","4","1","1") = "3"
    & skf21("4","1","2","1","4","4","2","1") = "3"
    & skf21("4","1","2","1","4","4","3","1") = "3"
    & skf21("4","1","2","1","4","4","4","1") = "3"
    & skf21("4","1","2","1","4","4","5","1") = "4"
    & skf21("4","1","2","1","4","4","6","1") = "5"
    & skf21("4","1","2","1","4","4","7","1") = "6"
    & skf21("4","1","2","1","4","5","1","1") = "4"
    & skf21("4","1","2","1","4","5","2","1") = "4"
    & skf21("4","1","2","1","4","5","3","1") = "4"
    & skf21("4","1","2","1","4","5","4","1") = "4"
    & skf21("4","1","2","1","4","5","5","1") = "4"
    & skf21("4","1","2","1","4","5","6","1") = "5"
    & skf21("4","1","2","1","4","5","7","1") = "6"
    & skf21("4","1","2","1","4","6","1","1") = "5"
    & skf21("4","1","2","1","4","6","2","1") = "5"
    & skf21("4","1","2","1","4","6","3","1") = "5"
    & skf21("4","1","2","1","4","6","4","1") = "5"
    & skf21("4","1","2","1","4","6","5","1") = "5"
    & skf21("4","1","2","1","4","6","6","1") = "5"
    & skf21("4","1","2","1","4","6","7","1") = "6"
    & skf21("4","1","2","1","4","7","1","1") = "6"
    & skf21("4","1","2","1","4","7","2","1") = "6"
    & skf21("4","1","2","1","4","7","3","1") = "6"
    & skf21("4","1","2","1","4","7","4","1") = "6"
    & skf21("4","1","2","1","4","7","5","1") = "6"
    & skf21("4","1","2","1","4","7","6","1") = "6"
    & skf21("4","1","2","1","4","7","7","1") = "6"
    & skf21("4","1","2","1","5","1","1","1") = "4"
    & skf21("4","1","2","1","5","1","2","1") = "4"
    & skf21("4","1","2","1","5","1","3","1") = "4"
    & skf21("4","1","2","1","5","1","4","1") = "4"
    & skf21("4","1","2","1","5","1","5","1") = "4"
    & skf21("4","1","2","1","5","1","6","1") = "5"
    & skf21("4","1","2","1","5","1","7","1") = "6"
    & skf21("4","1","2","1","5","2","1","1") = "4"
    & skf21("4","1","2","1","5","2","2","1") = "4"
    & skf21("4","1","2","1","5","2","3","1") = "4"
    & skf21("4","1","2","1","5","2","4","1") = "4"
    & skf21("4","1","2","1","5","2","5","1") = "4"
    & skf21("4","1","2","1","5","2","6","1") = "5"
    & skf21("4","1","2","1","5","2","7","1") = "6"
    & skf21("4","1","2","1","5","3","1","1") = "4"
    & skf21("4","1","2","1","5","3","2","1") = "4"
    & skf21("4","1","2","1","5","3","3","1") = "4"
    & skf21("4","1","2","1","5","3","4","1") = "4"
    & skf21("4","1","2","1","5","3","5","1") = "4"
    & skf21("4","1","2","1","5","3","6","1") = "5"
    & skf21("4","1","2","1","5","3","7","1") = "6"
    & skf21("4","1","2","1","5","4","1","1") = "4"
    & skf21("4","1","2","1","5","4","2","1") = "4"
    & skf21("4","1","2","1","5","4","3","1") = "4"
    & skf21("4","1","2","1","5","4","4","1") = "4"
    & skf21("4","1","2","1","5","4","5","1") = "4"
    & skf21("4","1","2","1","5","4","6","1") = "5"
    & skf21("4","1","2","1","5","4","7","1") = "6"
    & skf21("4","1","2","1","5","5","1","1") = "4"
    & skf21("4","1","2","1","5","5","2","1") = "4"
    & skf21("4","1","2","1","5","5","3","1") = "4"
    & skf21("4","1","2","1","5","5","4","1") = "4"
    & skf21("4","1","2","1","5","5","5","1") = "4"
    & skf21("4","1","2","1","5","5","6","1") = "5"
    & skf21("4","1","2","1","5","5","7","1") = "6"
    & skf21("4","1","2","1","5","6","1","1") = "5"
    & skf21("4","1","2","1","5","6","2","1") = "5"
    & skf21("4","1","2","1","5","6","3","1") = "5"
    & skf21("4","1","2","1","5","6","4","1") = "5"
    & skf21("4","1","2","1","5","6","5","1") = "5"
    & skf21("4","1","2","1","5","6","6","1") = "5"
    & skf21("4","1","2","1","5","6","7","1") = "6"
    & skf21("4","1","2","1","5","7","1","1") = "6"
    & skf21("4","1","2","1","5","7","2","1") = "6"
    & skf21("4","1","2","1","5","7","3","1") = "6"
    & skf21("4","1","2","1","5","7","4","1") = "6"
    & skf21("4","1","2","1","5","7","5","1") = "6"
    & skf21("4","1","2","1","5","7","6","1") = "6"
    & skf21("4","1","2","1","5","7","7","1") = "6"
    & skf21("4","1","2","1","6","1","1","1") = "5"
    & skf21("4","1","2","1","6","1","2","1") = "5"
    & skf21("4","1","2","1","6","1","3","1") = "5"
    & skf21("4","1","2","1","6","1","4","1") = "5"
    & skf21("4","1","2","1","6","1","5","1") = "5"
    & skf21("4","1","2","1","6","1","6","1") = "5"
    & skf21("4","1","2","1","6","1","7","1") = "6"
    & skf21("4","1","2","1","6","2","1","1") = "5"
    & skf21("4","1","2","1","6","2","2","1") = "5"
    & skf21("4","1","2","1","6","2","3","1") = "5"
    & skf21("4","1","2","1","6","2","4","1") = "5"
    & skf21("4","1","2","1","6","2","5","1") = "5"
    & skf21("4","1","2","1","6","2","6","1") = "5"
    & skf21("4","1","2","1","6","2","7","1") = "6"
    & skf21("4","1","2","1","6","3","1","1") = "5"
    & skf21("4","1","2","1","6","3","2","1") = "5"
    & skf21("4","1","2","1","6","3","3","1") = "5"
    & skf21("4","1","2","1","6","3","4","1") = "5"
    & skf21("4","1","2","1","6","3","5","1") = "5"
    & skf21("4","1","2","1","6","3","6","1") = "5"
    & skf21("4","1","2","1","6","3","7","1") = "6"
    & skf21("4","1","2","1","6","4","1","1") = "5"
    & skf21("4","1","2","1","6","4","2","1") = "5"
    & skf21("4","1","2","1","6","4","3","1") = "5"
    & skf21("4","1","2","1","6","4","4","1") = "5"
    & skf21("4","1","2","1","6","4","5","1") = "5"
    & skf21("4","1","2","1","6","4","6","1") = "5"
    & skf21("4","1","2","1","6","4","7","1") = "6"
    & skf21("4","1","2","1","6","5","1","1") = "5"
    & skf21("4","1","2","1","6","5","2","1") = "5"
    & skf21("4","1","2","1","6","5","3","1") = "5"
    & skf21("4","1","2","1","6","5","4","1") = "5"
    & skf21("4","1","2","1","6","5","5","1") = "5"
    & skf21("4","1","2","1","6","5","6","1") = "5"
    & skf21("4","1","2","1","6","5","7","1") = "6"
    & skf21("4","1","2","1","6","6","1","1") = "5"
    & skf21("4","1","2","1","6","6","2","1") = "5"
    & skf21("4","1","2","1","6","6","3","1") = "5"
    & skf21("4","1","2","1","6","6","4","1") = "5"
    & skf21("4","1","2","1","6","6","5","1") = "5"
    & skf21("4","1","2","1","6","6","6","1") = "5"
    & skf21("4","1","2","1","6","6","7","1") = "6"
    & skf21("4","1","2","1","6","7","1","1") = "6"
    & skf21("4","1","2","1","6","7","2","1") = "6"
    & skf21("4","1","2","1","6","7","3","1") = "6"
    & skf21("4","1","2","1","6","7","4","1") = "6"
    & skf21("4","1","2","1","6","7","5","1") = "6"
    & skf21("4","1","2","1","6","7","6","1") = "6"
    & skf21("4","1","2","1","6","7","7","1") = "6"
    & skf21("4","1","2","1","7","1","1","1") = "6"
    & skf21("4","1","2","1","7","1","2","1") = "6"
    & skf21("4","1","2","1","7","1","3","1") = "6"
    & skf21("4","1","2","1","7","1","4","1") = "6"
    & skf21("4","1","2","1","7","1","5","1") = "6"
    & skf21("4","1","2","1","7","1","6","1") = "6"
    & skf21("4","1","2","1","7","1","7","1") = "6"
    & skf21("4","1","2","1","7","2","1","1") = "6"
    & skf21("4","1","2","1","7","2","2","1") = "6"
    & skf21("4","1","2","1","7","2","3","1") = "6"
    & skf21("4","1","2","1","7","2","4","1") = "6"
    & skf21("4","1","2","1","7","2","5","1") = "6"
    & skf21("4","1","2","1","7","2","6","1") = "6"
    & skf21("4","1","2","1","7","2","7","1") = "6"
    & skf21("4","1","2","1","7","3","1","1") = "6"
    & skf21("4","1","2","1","7","3","2","1") = "6"
    & skf21("4","1","2","1","7","3","3","1") = "6"
    & skf21("4","1","2","1","7","3","4","1") = "6"
    & skf21("4","1","2","1","7","3","5","1") = "6"
    & skf21("4","1","2","1","7","3","6","1") = "6"
    & skf21("4","1","2","1","7","3","7","1") = "6"
    & skf21("4","1","2","1","7","4","1","1") = "6"
    & skf21("4","1","2","1","7","4","2","1") = "6"
    & skf21("4","1","2","1","7","4","3","1") = "6"
    & skf21("4","1","2","1","7","4","4","1") = "6"
    & skf21("4","1","2","1","7","4","5","1") = "6"
    & skf21("4","1","2","1","7","4","6","1") = "6"
    & skf21("4","1","2","1","7","4","7","1") = "6"
    & skf21("4","1","2","1","7","5","1","1") = "6"
    & skf21("4","1","2","1","7","5","2","1") = "6"
    & skf21("4","1","2","1","7","5","3","1") = "6"
    & skf21("4","1","2","1","7","5","4","1") = "6"
    & skf21("4","1","2","1","7","5","5","1") = "6"
    & skf21("4","1","2","1","7","5","6","1") = "6"
    & skf21("4","1","2","1","7","5","7","1") = "6"
    & skf21("4","1","2","1","7","6","1","1") = "6"
    & skf21("4","1","2","1","7","6","2","1") = "6"
    & skf21("4","1","2","1","7","6","3","1") = "6"
    & skf21("4","1","2","1","7","6","4","1") = "6"
    & skf21("4","1","2","1","7","6","5","1") = "6"
    & skf21("4","1","2","1","7","6","6","1") = "6"
    & skf21("4","1","2","1","7","6","7","1") = "6"
    & skf21("4","1","2","1","7","7","1","1") = "6"
    & skf21("4","1","2","1","7","7","2","1") = "6"
    & skf21("4","1","2","1","7","7","3","1") = "6"
    & skf21("4","1","2","1","7","7","4","1") = "6"
    & skf21("4","1","2","1","7","7","5","1") = "6"
    & skf21("4","1","2","1","7","7","6","1") = "6"
    & skf21("4","1","2","1","7","7","7","1") = "6"
    & skf21("4","1","2","2","1","1","1","1") = "3"
    & skf21("4","1","2","2","1","1","2","1") = "3"
    & skf21("4","1","2","2","1","1","3","1") = "3"
    & skf21("4","1","2","2","1","1","4","1") = "3"
    & skf21("4","1","2","2","1","1","5","1") = "4"
    & skf21("4","1","2","2","1","1","6","1") = "5"
    & skf21("4","1","2","2","1","1","7","1") = "6"
    & skf21("4","1","2","2","1","2","1","1") = "3"
    & skf21("4","1","2","2","1","2","2","1") = "3"
    & skf21("4","1","2","2","1","2","3","1") = "3"
    & skf21("4","1","2","2","1","2","4","1") = "3"
    & skf21("4","1","2","2","1","2","5","1") = "4"
    & skf21("4","1","2","2","1","2","6","1") = "5"
    & skf21("4","1","2","2","1","2","7","1") = "6"
    & skf21("4","1","2","2","1","3","1","1") = "3"
    & skf21("4","1","2","2","1","3","2","1") = "3"
    & skf21("4","1","2","2","1","3","3","1") = "3"
    & skf21("4","1","2","2","1","3","4","1") = "3"
    & skf21("4","1","2","2","1","3","5","1") = "4"
    & skf21("4","1","2","2","1","3","6","1") = "5"
    & skf21("4","1","2","2","1","3","7","1") = "6"
    & skf21("4","1","2","2","1","4","1","1") = "3"
    & skf21("4","1","2","2","1","4","2","1") = "3"
    & skf21("4","1","2","2","1","4","3","1") = "3"
    & skf21("4","1","2","2","1","4","4","1") = "3"
    & skf21("4","1","2","2","1","4","5","1") = "4"
    & skf21("4","1","2","2","1","4","6","1") = "5"
    & skf21("4","1","2","2","1","4","7","1") = "6"
    & skf21("4","1","2","2","1","5","1","1") = "4"
    & skf21("4","1","2","2","1","5","2","1") = "4"
    & skf21("4","1","2","2","1","5","3","1") = "4"
    & skf21("4","1","2","2","1","5","4","1") = "4"
    & skf21("4","1","2","2","1","5","5","1") = "4"
    & skf21("4","1","2","2","1","5","6","1") = "5"
    & skf21("4","1","2","2","1","5","7","1") = "6"
    & skf21("4","1","2","2","1","6","1","1") = "5"
    & skf21("4","1","2","2","1","6","2","1") = "5"
    & skf21("4","1","2","2","1","6","3","1") = "5"
    & skf21("4","1","2","2","1","6","4","1") = "5"
    & skf21("4","1","2","2","1","6","5","1") = "5"
    & skf21("4","1","2","2","1","6","6","1") = "5"
    & skf21("4","1","2","2","1","6","7","1") = "6"
    & skf21("4","1","2","2","1","7","1","1") = "6"
    & skf21("4","1","2","2","1","7","2","1") = "6"
    & skf21("4","1","2","2","1","7","3","1") = "6"
    & skf21("4","1","2","2","1","7","4","1") = "6"
    & skf21("4","1","2","2","1","7","5","1") = "6"
    & skf21("4","1","2","2","1","7","6","1") = "6"
    & skf21("4","1","2","2","1","7","7","1") = "6"
    & skf21("4","1","2","2","2","1","1","1") = "3"
    & skf21("4","1","2","2","2","1","2","1") = "3"
    & skf21("4","1","2","2","2","1","3","1") = "3"
    & skf21("4","1","2","2","2","1","4","1") = "3"
    & skf21("4","1","2","2","2","1","5","1") = "4"
    & skf21("4","1","2","2","2","1","6","1") = "5"
    & skf21("4","1","2","2","2","1","7","1") = "6"
    & skf21("4","1","2","2","2","2","1","1") = "3"
    & skf21("4","1","2","2","2","2","2","1") = "3"
    & skf21("4","1","2","2","2","2","3","1") = "3"
    & skf21("4","1","2","2","2","2","4","1") = "3"
    & skf21("4","1","2","2","2","2","5","1") = "4"
    & skf21("4","1","2","2","2","2","6","1") = "5"
    & skf21("4","1","2","2","2","2","7","1") = "6"
    & skf21("4","1","2","2","2","3","1","1") = "3"
    & skf21("4","1","2","2","2","3","2","1") = "3"
    & skf21("4","1","2","2","2","3","3","1") = "3"
    & skf21("4","1","2","2","2","3","4","1") = "3"
    & skf21("4","1","2","2","2","3","5","1") = "4"
    & skf21("4","1","2","2","2","3","6","1") = "5"
    & skf21("4","1","2","2","2","3","7","1") = "6"
    & skf21("4","1","2","2","2","4","1","1") = "3"
    & skf21("4","1","2","2","2","4","2","1") = "3"
    & skf21("4","1","2","2","2","4","3","1") = "3"
    & skf21("4","1","2","2","2","4","4","1") = "3"
    & skf21("4","1","2","2","2","4","5","1") = "4"
    & skf21("4","1","2","2","2","4","6","1") = "5"
    & skf21("4","1","2","2","2","4","7","1") = "6"
    & skf21("4","1","2","2","2","5","1","1") = "4"
    & skf21("4","1","2","2","2","5","2","1") = "4"
    & skf21("4","1","2","2","2","5","3","1") = "4"
    & skf21("4","1","2","2","2","5","4","1") = "4"
    & skf21("4","1","2","2","2","5","5","1") = "4"
    & skf21("4","1","2","2","2","5","6","1") = "5"
    & skf21("4","1","2","2","2","5","7","1") = "6"
    & skf21("4","1","2","2","2","6","1","1") = "5"
    & skf21("4","1","2","2","2","6","2","1") = "5"
    & skf21("4","1","2","2","2","6","3","1") = "5"
    & skf21("4","1","2","2","2","6","4","1") = "5"
    & skf21("4","1","2","2","2","6","5","1") = "5"
    & skf21("4","1","2","2","2","6","6","1") = "5"
    & skf21("4","1","2","2","2","6","7","1") = "6"
    & skf21("4","1","2","2","2","7","1","1") = "6"
    & skf21("4","1","2","2","2","7","2","1") = "6"
    & skf21("4","1","2","2","2","7","3","1") = "6"
    & skf21("4","1","2","2","2","7","4","1") = "6"
    & skf21("4","1","2","2","2","7","5","1") = "6"
    & skf21("4","1","2","2","2","7","6","1") = "6"
    & skf21("4","1","2","2","2","7","7","1") = "6"
    & skf21("4","1","2","2","3","1","1","1") = "3"
    & skf21("4","1","2","2","3","1","2","1") = "3"
    & skf21("4","1","2","2","3","1","3","1") = "3"
    & skf21("4","1","2","2","3","1","4","1") = "3"
    & skf21("4","1","2","2","3","1","5","1") = "4"
    & skf21("4","1","2","2","3","1","6","1") = "5"
    & skf21("4","1","2","2","3","1","7","1") = "6"
    & skf21("4","1","2","2","3","2","1","1") = "3"
    & skf21("4","1","2","2","3","2","2","1") = "3"
    & skf21("4","1","2","2","3","2","3","1") = "3"
    & skf21("4","1","2","2","3","2","4","1") = "3"
    & skf21("4","1","2","2","3","2","5","1") = "4"
    & skf21("4","1","2","2","3","2","6","1") = "5"
    & skf21("4","1","2","2","3","2","7","1") = "6"
    & skf21("4","1","2","2","3","3","1","1") = "3"
    & skf21("4","1","2","2","3","3","2","1") = "3"
    & skf21("4","1","2","2","3","3","3","1") = "3"
    & skf21("4","1","2","2","3","3","4","1") = "3"
    & skf21("4","1","2","2","3","3","5","1") = "4"
    & skf21("4","1","2","2","3","3","6","1") = "5"
    & skf21("4","1","2","2","3","3","7","1") = "6"
    & skf21("4","1","2","2","3","4","1","1") = "3"
    & skf21("4","1","2","2","3","4","2","1") = "3"
    & skf21("4","1","2","2","3","4","3","1") = "3"
    & skf21("4","1","2","2","3","4","4","1") = "3"
    & skf21("4","1","2","2","3","4","5","1") = "4"
    & skf21("4","1","2","2","3","4","6","1") = "5"
    & skf21("4","1","2","2","3","4","7","1") = "6"
    & skf21("4","1","2","2","3","5","1","1") = "4"
    & skf21("4","1","2","2","3","5","2","1") = "4"
    & skf21("4","1","2","2","3","5","3","1") = "4"
    & skf21("4","1","2","2","3","5","4","1") = "4"
    & skf21("4","1","2","2","3","5","5","1") = "4"
    & skf21("4","1","2","2","3","5","6","1") = "5"
    & skf21("4","1","2","2","3","5","7","1") = "6"
    & skf21("4","1","2","2","3","6","1","1") = "5"
    & skf21("4","1","2","2","3","6","2","1") = "5"
    & skf21("4","1","2","2","3","6","3","1") = "5"
    & skf21("4","1","2","2","3","6","4","1") = "5"
    & skf21("4","1","2","2","3","6","5","1") = "5"
    & skf21("4","1","2","2","3","6","6","1") = "5"
    & skf21("4","1","2","2","3","6","7","1") = "6"
    & skf21("4","1","2","2","3","7","1","1") = "6"
    & skf21("4","1","2","2","3","7","2","1") = "6"
    & skf21("4","1","2","2","3","7","3","1") = "6"
    & skf21("4","1","2","2","3","7","4","1") = "6"
    & skf21("4","1","2","2","3","7","5","1") = "6"
    & skf21("4","1","2","2","3","7","6","1") = "6"
    & skf21("4","1","2","2","3","7","7","1") = "6"
    & skf21("4","1","2","2","4","1","1","1") = "3"
    & skf21("4","1","2","2","4","1","2","1") = "3"
    & skf21("4","1","2","2","4","1","3","1") = "3"
    & skf21("4","1","2","2","4","1","4","1") = "3"
    & skf21("4","1","2","2","4","1","5","1") = "4"
    & skf21("4","1","2","2","4","1","6","1") = "5"
    & skf21("4","1","2","2","4","1","7","1") = "6"
    & skf21("4","1","2","2","4","2","1","1") = "3"
    & skf21("4","1","2","2","4","2","2","1") = "3"
    & skf21("4","1","2","2","4","2","3","1") = "3"
    & skf21("4","1","2","2","4","2","4","1") = "3"
    & skf21("4","1","2","2","4","2","5","1") = "4"
    & skf21("4","1","2","2","4","2","6","1") = "5"
    & skf21("4","1","2","2","4","2","7","1") = "6"
    & skf21("4","1","2","2","4","3","1","1") = "3"
    & skf21("4","1","2","2","4","3","2","1") = "3"
    & skf21("4","1","2","2","4","3","3","1") = "3"
    & skf21("4","1","2","2","4","3","4","1") = "3"
    & skf21("4","1","2","2","4","3","5","1") = "4"
    & skf21("4","1","2","2","4","3","6","1") = "5"
    & skf21("4","1","2","2","4","3","7","1") = "6"
    & skf21("4","1","2","2","4","4","1","1") = "3"
    & skf21("4","1","2","2","4","4","2","1") = "3"
    & skf21("4","1","2","2","4","4","3","1") = "3"
    & skf21("4","1","2","2","4","4","4","1") = "3"
    & skf21("4","1","2","2","4","4","5","1") = "4"
    & skf21("4","1","2","2","4","4","6","1") = "5"
    & skf21("4","1","2","2","4","4","7","1") = "6"
    & skf21("4","1","2","2","4","5","1","1") = "4"
    & skf21("4","1","2","2","4","5","2","1") = "4"
    & skf21("4","1","2","2","4","5","3","1") = "4"
    & skf21("4","1","2","2","4","5","4","1") = "4"
    & skf21("4","1","2","2","4","5","5","1") = "4"
    & skf21("4","1","2","2","4","5","6","1") = "5"
    & skf21("4","1","2","2","4","5","7","1") = "6"
    & skf21("4","1","2","2","4","6","1","1") = "5"
    & skf21("4","1","2","2","4","6","2","1") = "5"
    & skf21("4","1","2","2","4","6","3","1") = "5"
    & skf21("4","1","2","2","4","6","4","1") = "5"
    & skf21("4","1","2","2","4","6","5","1") = "5"
    & skf21("4","1","2","2","4","6","6","1") = "5"
    & skf21("4","1","2","2","4","6","7","1") = "6"
    & skf21("4","1","2","2","4","7","1","1") = "6"
    & skf21("4","1","2","2","4","7","2","1") = "6"
    & skf21("4","1","2","2","4","7","3","1") = "6"
    & skf21("4","1","2","2","4","7","4","1") = "6"
    & skf21("4","1","2","2","4","7","5","1") = "6"
    & skf21("4","1","2","2","4","7","6","1") = "6"
    & skf21("4","1","2","2","4","7","7","1") = "6"
    & skf21("4","1","2","2","5","1","1","1") = "4"
    & skf21("4","1","2","2","5","1","2","1") = "4"
    & skf21("4","1","2","2","5","1","3","1") = "4"
    & skf21("4","1","2","2","5","1","4","1") = "4"
    & skf21("4","1","2","2","5","1","5","1") = "4"
    & skf21("4","1","2","2","5","1","6","1") = "5"
    & skf21("4","1","2","2","5","1","7","1") = "6"
    & skf21("4","1","2","2","5","2","1","1") = "4"
    & skf21("4","1","2","2","5","2","2","1") = "4"
    & skf21("4","1","2","2","5","2","3","1") = "4"
    & skf21("4","1","2","2","5","2","4","1") = "4"
    & skf21("4","1","2","2","5","2","5","1") = "4"
    & skf21("4","1","2","2","5","2","6","1") = "5"
    & skf21("4","1","2","2","5","2","7","1") = "6"
    & skf21("4","1","2","2","5","3","1","1") = "4"
    & skf21("4","1","2","2","5","3","2","1") = "4"
    & skf21("4","1","2","2","5","3","3","1") = "4"
    & skf21("4","1","2","2","5","3","4","1") = "4"
    & skf21("4","1","2","2","5","3","5","1") = "4"
    & skf21("4","1","2","2","5","3","6","1") = "5"
    & skf21("4","1","2","2","5","3","7","1") = "6"
    & skf21("4","1","2","2","5","4","1","1") = "4"
    & skf21("4","1","2","2","5","4","2","1") = "4"
    & skf21("4","1","2","2","5","4","3","1") = "4"
    & skf21("4","1","2","2","5","4","4","1") = "4"
    & skf21("4","1","2","2","5","4","5","1") = "4"
    & skf21("4","1","2","2","5","4","6","1") = "5"
    & skf21("4","1","2","2","5","4","7","1") = "6"
    & skf21("4","1","2","2","5","5","1","1") = "4"
    & skf21("4","1","2","2","5","5","2","1") = "4"
    & skf21("4","1","2","2","5","5","3","1") = "4"
    & skf21("4","1","2","2","5","5","4","1") = "4"
    & skf21("4","1","2","2","5","5","5","1") = "4"
    & skf21("4","1","2","2","5","5","6","1") = "5"
    & skf21("4","1","2","2","5","5","7","1") = "6"
    & skf21("4","1","2","2","5","6","1","1") = "5"
    & skf21("4","1","2","2","5","6","2","1") = "5"
    & skf21("4","1","2","2","5","6","3","1") = "5"
    & skf21("4","1","2","2","5","6","4","1") = "5"
    & skf21("4","1","2","2","5","6","5","1") = "5"
    & skf21("4","1","2","2","5","6","6","1") = "5"
    & skf21("4","1","2","2","5","6","7","1") = "6"
    & skf21("4","1","2","2","5","7","1","1") = "6"
    & skf21("4","1","2","2","5","7","2","1") = "6"
    & skf21("4","1","2","2","5","7","3","1") = "6"
    & skf21("4","1","2","2","5","7","4","1") = "6"
    & skf21("4","1","2","2","5","7","5","1") = "6"
    & skf21("4","1","2","2","5","7","6","1") = "6"
    & skf21("4","1","2","2","5","7","7","1") = "6"
    & skf21("4","1","2","2","6","1","1","1") = "5"
    & skf21("4","1","2","2","6","1","2","1") = "5"
    & skf21("4","1","2","2","6","1","3","1") = "5"
    & skf21("4","1","2","2","6","1","4","1") = "5"
    & skf21("4","1","2","2","6","1","5","1") = "5"
    & skf21("4","1","2","2","6","1","6","1") = "5"
    & skf21("4","1","2","2","6","1","7","1") = "6"
    & skf21("4","1","2","2","6","2","1","1") = "5"
    & skf21("4","1","2","2","6","2","2","1") = "5"
    & skf21("4","1","2","2","6","2","3","1") = "5"
    & skf21("4","1","2","2","6","2","4","1") = "5"
    & skf21("4","1","2","2","6","2","5","1") = "5"
    & skf21("4","1","2","2","6","2","6","1") = "5"
    & skf21("4","1","2","2","6","2","7","1") = "6"
    & skf21("4","1","2","2","6","3","1","1") = "5"
    & skf21("4","1","2","2","6","3","2","1") = "5"
    & skf21("4","1","2","2","6","3","3","1") = "5"
    & skf21("4","1","2","2","6","3","4","1") = "5"
    & skf21("4","1","2","2","6","3","5","1") = "5"
    & skf21("4","1","2","2","6","3","6","1") = "5"
    & skf21("4","1","2","2","6","3","7","1") = "6"
    & skf21("4","1","2","2","6","4","1","1") = "5"
    & skf21("4","1","2","2","6","4","2","1") = "5"
    & skf21("4","1","2","2","6","4","3","1") = "5"
    & skf21("4","1","2","2","6","4","4","1") = "5"
    & skf21("4","1","2","2","6","4","5","1") = "5"
    & skf21("4","1","2","2","6","4","6","1") = "5"
    & skf21("4","1","2","2","6","4","7","1") = "6"
    & skf21("4","1","2","2","6","5","1","1") = "5"
    & skf21("4","1","2","2","6","5","2","1") = "5"
    & skf21("4","1","2","2","6","5","3","1") = "5"
    & skf21("4","1","2","2","6","5","4","1") = "5"
    & skf21("4","1","2","2","6","5","5","1") = "5"
    & skf21("4","1","2","2","6","5","6","1") = "5"
    & skf21("4","1","2","2","6","5","7","1") = "6"
    & skf21("4","1","2","2","6","6","1","1") = "5"
    & skf21("4","1","2","2","6","6","2","1") = "5"
    & skf21("4","1","2","2","6","6","3","1") = "5"
    & skf21("4","1","2","2","6","6","4","1") = "5"
    & skf21("4","1","2","2","6","6","5","1") = "5"
    & skf21("4","1","2","2","6","6","6","1") = "5"
    & skf21("4","1","2","2","6","6","7","1") = "6"
    & skf21("4","1","2","2","6","7","1","1") = "6"
    & skf21("4","1","2","2","6","7","2","1") = "6"
    & skf21("4","1","2","2","6","7","3","1") = "6"
    & skf21("4","1","2","2","6","7","4","1") = "6"
    & skf21("4","1","2","2","6","7","5","1") = "6"
    & skf21("4","1","2","2","6","7","6","1") = "6"
    & skf21("4","1","2","2","6","7","7","1") = "6"
    & skf21("4","1","2","2","7","1","1","1") = "6"
    & skf21("4","1","2","2","7","1","2","1") = "6"
    & skf21("4","1","2","2","7","1","3","1") = "6"
    & skf21("4","1","2","2","7","1","4","1") = "6"
    & skf21("4","1","2","2","7","1","5","1") = "6"
    & skf21("4","1","2","2","7","1","6","1") = "6"
    & skf21("4","1","2","2","7","1","7","1") = "6"
    & skf21("4","1","2","2","7","2","1","1") = "6"
    & skf21("4","1","2","2","7","2","2","1") = "6"
    & skf21("4","1","2","2","7","2","3","1") = "6"
    & skf21("4","1","2","2","7","2","4","1") = "6"
    & skf21("4","1","2","2","7","2","5","1") = "6"
    & skf21("4","1","2","2","7","2","6","1") = "6"
    & skf21("4","1","2","2","7","2","7","1") = "6"
    & skf21("4","1","2","2","7","3","1","1") = "6"
    & skf21("4","1","2","2","7","3","2","1") = "6"
    & skf21("4","1","2","2","7","3","3","1") = "6"
    & skf21("4","1","2","2","7","3","4","1") = "6"
    & skf21("4","1","2","2","7","3","5","1") = "6"
    & skf21("4","1","2","2","7","3","6","1") = "6"
    & skf21("4","1","2","2","7","3","7","1") = "6"
    & skf21("4","1","2","2","7","4","1","1") = "6"
    & skf21("4","1","2","2","7","4","2","1") = "6"
    & skf21("4","1","2","2","7","4","3","1") = "6"
    & skf21("4","1","2","2","7","4","4","1") = "6"
    & skf21("4","1","2","2","7","4","5","1") = "6"
    & skf21("4","1","2","2","7","4","6","1") = "6"
    & skf21("4","1","2","2","7","4","7","1") = "6"
    & skf21("4","1","2","2","7","5","1","1") = "6"
    & skf21("4","1","2","2","7","5","2","1") = "6"
    & skf21("4","1","2","2","7","5","3","1") = "6"
    & skf21("4","1","2","2","7","5","4","1") = "6"
    & skf21("4","1","2","2","7","5","5","1") = "6"
    & skf21("4","1","2","2","7","5","6","1") = "6"
    & skf21("4","1","2","2","7","5","7","1") = "6"
    & skf21("4","1","2","2","7","6","1","1") = "6"
    & skf21("4","1","2","2","7","6","2","1") = "6"
    & skf21("4","1","2","2","7","6","3","1") = "6"
    & skf21("4","1","2","2","7","6","4","1") = "6"
    & skf21("4","1","2","2","7","6","5","1") = "6"
    & skf21("4","1","2","2","7","6","6","1") = "6"
    & skf21("4","1","2","2","7","6","7","1") = "6"
    & skf21("4","1","2","2","7","7","1","1") = "6"
    & skf21("4","1","2","2","7","7","2","1") = "6"
    & skf21("4","1","2","2","7","7","3","1") = "6"
    & skf21("4","1","2","2","7","7","4","1") = "6"
    & skf21("4","1","2","2","7","7","5","1") = "6"
    & skf21("4","1","2","2","7","7","6","1") = "6"
    & skf21("4","1","2","2","7","7","7","1") = "6"
    & skf21("4","1","2","3","1","1","1","1") = "3"
    & skf21("4","1","2","3","1","1","2","1") = "3"
    & skf21("4","1","2","3","1","1","3","1") = "3"
    & skf21("4","1","2","3","1","1","4","1") = "3"
    & skf21("4","1","2","3","1","1","5","1") = "4"
    & skf21("4","1","2","3","1","1","6","1") = "5"
    & skf21("4","1","2","3","1","1","7","1") = "6"
    & skf21("4","1","2","3","1","2","1","1") = "3"
    & skf21("4","1","2","3","1","2","2","1") = "3"
    & skf21("4","1","2","3","1","2","3","1") = "3"
    & skf21("4","1","2","3","1","2","4","1") = "3"
    & skf21("4","1","2","3","1","2","5","1") = "4"
    & skf21("4","1","2","3","1","2","6","1") = "5"
    & skf21("4","1","2","3","1","2","7","1") = "6"
    & skf21("4","1","2","3","1","3","1","1") = "3"
    & skf21("4","1","2","3","1","3","2","1") = "3"
    & skf21("4","1","2","3","1","3","3","1") = "3"
    & skf21("4","1","2","3","1","3","4","1") = "3"
    & skf21("4","1","2","3","1","3","5","1") = "4"
    & skf21("4","1","2","3","1","3","6","1") = "5"
    & skf21("4","1","2","3","1","3","7","1") = "6"
    & skf21("4","1","2","3","1","4","1","1") = "3"
    & skf21("4","1","2","3","1","4","2","1") = "3"
    & skf21("4","1","2","3","1","4","3","1") = "3"
    & skf21("4","1","2","3","1","4","4","1") = "3"
    & skf21("4","1","2","3","1","4","5","1") = "4"
    & skf21("4","1","2","3","1","4","6","1") = "5"
    & skf21("4","1","2","3","1","4","7","1") = "6"
    & skf21("4","1","2","3","1","5","1","1") = "4"
    & skf21("4","1","2","3","1","5","2","1") = "4"
    & skf21("4","1","2","3","1","5","3","1") = "4"
    & skf21("4","1","2","3","1","5","4","1") = "4"
    & skf21("4","1","2","3","1","5","5","1") = "4"
    & skf21("4","1","2","3","1","5","6","1") = "5"
    & skf21("4","1","2","3","1","5","7","1") = "6"
    & skf21("4","1","2","3","1","6","1","1") = "5"
    & skf21("4","1","2","3","1","6","2","1") = "5"
    & skf21("4","1","2","3","1","6","3","1") = "5"
    & skf21("4","1","2","3","1","6","4","1") = "5"
    & skf21("4","1","2","3","1","6","5","1") = "5"
    & skf21("4","1","2","3","1","6","6","1") = "5"
    & skf21("4","1","2","3","1","6","7","1") = "6"
    & skf21("4","1","2","3","1","7","1","1") = "6"
    & skf21("4","1","2","3","1","7","2","1") = "6"
    & skf21("4","1","2","3","1","7","3","1") = "6"
    & skf21("4","1","2","3","1","7","4","1") = "6"
    & skf21("4","1","2","3","1","7","5","1") = "6"
    & skf21("4","1","2","3","1","7","6","1") = "6"
    & skf21("4","1","2","3","1","7","7","1") = "6"
    & skf21("4","1","2","3","2","1","1","1") = "3"
    & skf21("4","1","2","3","2","1","2","1") = "3"
    & skf21("4","1","2","3","2","1","3","1") = "3"
    & skf21("4","1","2","3","2","1","4","1") = "3"
    & skf21("4","1","2","3","2","1","5","1") = "4"
    & skf21("4","1","2","3","2","1","6","1") = "5"
    & skf21("4","1","2","3","2","1","7","1") = "6"
    & skf21("4","1","2","3","2","2","1","1") = "3"
    & skf21("4","1","2","3","2","2","2","1") = "3"
    & skf21("4","1","2","3","2","2","3","1") = "3"
    & skf21("4","1","2","3","2","2","4","1") = "3"
    & skf21("4","1","2","3","2","2","5","1") = "4"
    & skf21("4","1","2","3","2","2","6","1") = "5"
    & skf21("4","1","2","3","2","2","7","1") = "6"
    & skf21("4","1","2","3","2","3","1","1") = "3"
    & skf21("4","1","2","3","2","3","2","1") = "3"
    & skf21("4","1","2","3","2","3","3","1") = "3"
    & skf21("4","1","2","3","2","3","4","1") = "3"
    & skf21("4","1","2","3","2","3","5","1") = "4"
    & skf21("4","1","2","3","2","3","6","1") = "5"
    & skf21("4","1","2","3","2","3","7","1") = "6"
    & skf21("4","1","2","3","2","4","1","1") = "3"
    & skf21("4","1","2","3","2","4","2","1") = "3"
    & skf21("4","1","2","3","2","4","3","1") = "3"
    & skf21("4","1","2","3","2","4","4","1") = "3"
    & skf21("4","1","2","3","2","4","5","1") = "4"
    & skf21("4","1","2","3","2","4","6","1") = "5"
    & skf21("4","1","2","3","2","4","7","1") = "6"
    & skf21("4","1","2","3","2","5","1","1") = "4"
    & skf21("4","1","2","3","2","5","2","1") = "4"
    & skf21("4","1","2","3","2","5","3","1") = "4"
    & skf21("4","1","2","3","2","5","4","1") = "4"
    & skf21("4","1","2","3","2","5","5","1") = "4"
    & skf21("4","1","2","3","2","5","6","1") = "5"
    & skf21("4","1","2","3","2","5","7","1") = "6"
    & skf21("4","1","2","3","2","6","1","1") = "5"
    & skf21("4","1","2","3","2","6","2","1") = "5"
    & skf21("4","1","2","3","2","6","3","1") = "5"
    & skf21("4","1","2","3","2","6","4","1") = "5"
    & skf21("4","1","2","3","2","6","5","1") = "5"
    & skf21("4","1","2","3","2","6","6","1") = "5"
    & skf21("4","1","2","3","2","6","7","1") = "6"
    & skf21("4","1","2","3","2","7","1","1") = "6"
    & skf21("4","1","2","3","2","7","2","1") = "6"
    & skf21("4","1","2","3","2","7","3","1") = "6"
    & skf21("4","1","2","3","2","7","4","1") = "6"
    & skf21("4","1","2","3","2","7","5","1") = "6"
    & skf21("4","1","2","3","2","7","6","1") = "6"
    & skf21("4","1","2","3","2","7","7","1") = "6"
    & skf21("4","1","2","3","3","1","1","1") = "3"
    & skf21("4","1","2","3","3","1","2","1") = "3"
    & skf21("4","1","2","3","3","1","3","1") = "3"
    & skf21("4","1","2","3","3","1","4","1") = "3"
    & skf21("4","1","2","3","3","1","5","1") = "4"
    & skf21("4","1","2","3","3","1","6","1") = "5"
    & skf21("4","1","2","3","3","1","7","1") = "6"
    & skf21("4","1","2","3","3","2","1","1") = "3"
    & skf21("4","1","2","3","3","2","2","1") = "3"
    & skf21("4","1","2","3","3","2","3","1") = "3"
    & skf21("4","1","2","3","3","2","4","1") = "3"
    & skf21("4","1","2","3","3","2","5","1") = "4"
    & skf21("4","1","2","3","3","2","6","1") = "5"
    & skf21("4","1","2","3","3","2","7","1") = "6"
    & skf21("4","1","2","3","3","3","1","1") = "3"
    & skf21("4","1","2","3","3","3","2","1") = "3"
    & skf21("4","1","2","3","3","3","3","1") = "3"
    & skf21("4","1","2","3","3","3","4","1") = "3"
    & skf21("4","1","2","3","3","3","5","1") = "4"
    & skf21("4","1","2","3","3","3","6","1") = "5"
    & skf21("4","1","2","3","3","3","7","1") = "6"
    & skf21("4","1","2","3","3","4","1","1") = "3"
    & skf21("4","1","2","3","3","4","2","1") = "3"
    & skf21("4","1","2","3","3","4","3","1") = "3"
    & skf21("4","1","2","3","3","4","4","1") = "3"
    & skf21("4","1","2","3","3","4","5","1") = "4"
    & skf21("4","1","2","3","3","4","6","1") = "5"
    & skf21("4","1","2","3","3","4","7","1") = "6"
    & skf21("4","1","2","3","3","5","1","1") = "4"
    & skf21("4","1","2","3","3","5","2","1") = "4"
    & skf21("4","1","2","3","3","5","3","1") = "4"
    & skf21("4","1","2","3","3","5","4","1") = "4"
    & skf21("4","1","2","3","3","5","5","1") = "4"
    & skf21("4","1","2","3","3","5","6","1") = "5"
    & skf21("4","1","2","3","3","5","7","1") = "6"
    & skf21("4","1","2","3","3","6","1","1") = "5"
    & skf21("4","1","2","3","3","6","2","1") = "5"
    & skf21("4","1","2","3","3","6","3","1") = "5"
    & skf21("4","1","2","3","3","6","4","1") = "5"
    & skf21("4","1","2","3","3","6","5","1") = "5"
    & skf21("4","1","2","3","3","6","6","1") = "5"
    & skf21("4","1","2","3","3","6","7","1") = "6"
    & skf21("4","1","2","3","3","7","1","1") = "6"
    & skf21("4","1","2","3","3","7","2","1") = "6"
    & skf21("4","1","2","3","3","7","3","1") = "6"
    & skf21("4","1","2","3","3","7","4","1") = "6"
    & skf21("4","1","2","3","3","7","5","1") = "6"
    & skf21("4","1","2","3","3","7","6","1") = "6"
    & skf21("4","1","2","3","3","7","7","1") = "6"
    & skf21("4","1","2","3","4","1","1","1") = "3"
    & skf21("4","1","2","3","4","1","2","1") = "3"
    & skf21("4","1","2","3","4","1","3","1") = "3"
    & skf21("4","1","2","3","4","1","4","1") = "3"
    & skf21("4","1","2","3","4","1","5","1") = "4"
    & skf21("4","1","2","3","4","1","6","1") = "5"
    & skf21("4","1","2","3","4","1","7","1") = "6"
    & skf21("4","1","2","3","4","2","1","1") = "3"
    & skf21("4","1","2","3","4","2","2","1") = "3"
    & skf21("4","1","2","3","4","2","3","1") = "3"
    & skf21("4","1","2","3","4","2","4","1") = "3"
    & skf21("4","1","2","3","4","2","5","1") = "4"
    & skf21("4","1","2","3","4","2","6","1") = "5"
    & skf21("4","1","2","3","4","2","7","1") = "6"
    & skf21("4","1","2","3","4","3","1","1") = "3"
    & skf21("4","1","2","3","4","3","2","1") = "3"
    & skf21("4","1","2","3","4","3","3","1") = "3"
    & skf21("4","1","2","3","4","3","4","1") = "3"
    & skf21("4","1","2","3","4","3","5","1") = "4"
    & skf21("4","1","2","3","4","3","6","1") = "5"
    & skf21("4","1","2","3","4","3","7","1") = "6"
    & skf21("4","1","2","3","4","4","1","1") = "3"
    & skf21("4","1","2","3","4","4","2","1") = "3"
    & skf21("4","1","2","3","4","4","3","1") = "3"
    & skf21("4","1","2","3","4","4","4","1") = "3"
    & skf21("4","1","2","3","4","4","5","1") = "4"
    & skf21("4","1","2","3","4","4","6","1") = "5"
    & skf21("4","1","2","3","4","4","7","1") = "6"
    & skf21("4","1","2","3","4","5","1","1") = "4"
    & skf21("4","1","2","3","4","5","2","1") = "4"
    & skf21("4","1","2","3","4","5","3","1") = "4"
    & skf21("4","1","2","3","4","5","4","1") = "4"
    & skf21("4","1","2","3","4","5","5","1") = "4"
    & skf21("4","1","2","3","4","5","6","1") = "5"
    & skf21("4","1","2","3","4","5","7","1") = "6"
    & skf21("4","1","2","3","4","6","1","1") = "5"
    & skf21("4","1","2","3","4","6","2","1") = "5"
    & skf21("4","1","2","3","4","6","3","1") = "5"
    & skf21("4","1","2","3","4","6","4","1") = "5"
    & skf21("4","1","2","3","4","6","5","1") = "5"
    & skf21("4","1","2","3","4","6","6","1") = "5"
    & skf21("4","1","2","3","4","6","7","1") = "6"
    & skf21("4","1","2","3","4","7","1","1") = "6"
    & skf21("4","1","2","3","4","7","2","1") = "6"
    & skf21("4","1","2","3","4","7","3","1") = "6"
    & skf21("4","1","2","3","4","7","4","1") = "6"
    & skf21("4","1","2","3","4","7","5","1") = "6"
    & skf21("4","1","2","3","4","7","6","1") = "6"
    & skf21("4","1","2","3","4","7","7","1") = "6"
    & skf21("4","1","2","3","5","1","1","1") = "4"
    & skf21("4","1","2","3","5","1","2","1") = "4"
    & skf21("4","1","2","3","5","1","3","1") = "4"
    & skf21("4","1","2","3","5","1","4","1") = "4"
    & skf21("4","1","2","3","5","1","5","1") = "4"
    & skf21("4","1","2","3","5","1","6","1") = "5"
    & skf21("4","1","2","3","5","1","7","1") = "6"
    & skf21("4","1","2","3","5","2","1","1") = "4"
    & skf21("4","1","2","3","5","2","2","1") = "4"
    & skf21("4","1","2","3","5","2","3","1") = "4"
    & skf21("4","1","2","3","5","2","4","1") = "4"
    & skf21("4","1","2","3","5","2","5","1") = "4"
    & skf21("4","1","2","3","5","2","6","1") = "5"
    & skf21("4","1","2","3","5","2","7","1") = "6"
    & skf21("4","1","2","3","5","3","1","1") = "4"
    & skf21("4","1","2","3","5","3","2","1") = "4"
    & skf21("4","1","2","3","5","3","3","1") = "4"
    & skf21("4","1","2","3","5","3","4","1") = "4"
    & skf21("4","1","2","3","5","3","5","1") = "4"
    & skf21("4","1","2","3","5","3","6","1") = "5"
    & skf21("4","1","2","3","5","3","7","1") = "6"
    & skf21("4","1","2","3","5","4","1","1") = "4"
    & skf21("4","1","2","3","5","4","2","1") = "4"
    & skf21("4","1","2","3","5","4","3","1") = "4"
    & skf21("4","1","2","3","5","4","4","1") = "4"
    & skf21("4","1","2","3","5","4","5","1") = "4"
    & skf21("4","1","2","3","5","4","6","1") = "5"
    & skf21("4","1","2","3","5","4","7","1") = "6"
    & skf21("4","1","2","3","5","5","1","1") = "4"
    & skf21("4","1","2","3","5","5","2","1") = "4"
    & skf21("4","1","2","3","5","5","3","1") = "4"
    & skf21("4","1","2","3","5","5","4","1") = "4"
    & skf21("4","1","2","3","5","5","5","1") = "4"
    & skf21("4","1","2","3","5","5","6","1") = "5"
    & skf21("4","1","2","3","5","5","7","1") = "6"
    & skf21("4","1","2","3","5","6","1","1") = "5"
    & skf21("4","1","2","3","5","6","2","1") = "5"
    & skf21("4","1","2","3","5","6","3","1") = "5"
    & skf21("4","1","2","3","5","6","4","1") = "5"
    & skf21("4","1","2","3","5","6","5","1") = "5"
    & skf21("4","1","2","3","5","6","6","1") = "5"
    & skf21("4","1","2","3","5","6","7","1") = "6"
    & skf21("4","1","2","3","5","7","1","1") = "6"
    & skf21("4","1","2","3","5","7","2","1") = "6"
    & skf21("4","1","2","3","5","7","3","1") = "6"
    & skf21("4","1","2","3","5","7","4","1") = "6"
    & skf21("4","1","2","3","5","7","5","1") = "6"
    & skf21("4","1","2","3","5","7","6","1") = "6"
    & skf21("4","1","2","3","5","7","7","1") = "6"
    & skf21("4","1","2","3","6","1","1","1") = "5"
    & skf21("4","1","2","3","6","1","2","1") = "5"
    & skf21("4","1","2","3","6","1","3","1") = "5"
    & skf21("4","1","2","3","6","1","4","1") = "5"
    & skf21("4","1","2","3","6","1","5","1") = "5"
    & skf21("4","1","2","3","6","1","6","1") = "5"
    & skf21("4","1","2","3","6","1","7","1") = "6"
    & skf21("4","1","2","3","6","2","1","1") = "5"
    & skf21("4","1","2","3","6","2","2","1") = "5"
    & skf21("4","1","2","3","6","2","3","1") = "5"
    & skf21("4","1","2","3","6","2","4","1") = "5"
    & skf21("4","1","2","3","6","2","5","1") = "5"
    & skf21("4","1","2","3","6","2","6","1") = "5"
    & skf21("4","1","2","3","6","2","7","1") = "6"
    & skf21("4","1","2","3","6","3","1","1") = "5"
    & skf21("4","1","2","3","6","3","2","1") = "5"
    & skf21("4","1","2","3","6","3","3","1") = "5"
    & skf21("4","1","2","3","6","3","4","1") = "5"
    & skf21("4","1","2","3","6","3","5","1") = "5"
    & skf21("4","1","2","3","6","3","6","1") = "5"
    & skf21("4","1","2","3","6","3","7","1") = "6"
    & skf21("4","1","2","3","6","4","1","1") = "5"
    & skf21("4","1","2","3","6","4","2","1") = "5"
    & skf21("4","1","2","3","6","4","3","1") = "5"
    & skf21("4","1","2","3","6","4","4","1") = "5"
    & skf21("4","1","2","3","6","4","5","1") = "5"
    & skf21("4","1","2","3","6","4","6","1") = "5"
    & skf21("4","1","2","3","6","4","7","1") = "6"
    & skf21("4","1","2","3","6","5","1","1") = "5"
    & skf21("4","1","2","3","6","5","2","1") = "5"
    & skf21("4","1","2","3","6","5","3","1") = "5"
    & skf21("4","1","2","3","6","5","4","1") = "5"
    & skf21("4","1","2","3","6","5","5","1") = "5"
    & skf21("4","1","2","3","6","5","6","1") = "5"
    & skf21("4","1","2","3","6","5","7","1") = "6"
    & skf21("4","1","2","3","6","6","1","1") = "5"
    & skf21("4","1","2","3","6","6","2","1") = "5"
    & skf21("4","1","2","3","6","6","3","1") = "5"
    & skf21("4","1","2","3","6","6","4","1") = "5"
    & skf21("4","1","2","3","6","6","5","1") = "5"
    & skf21("4","1","2","3","6","6","6","1") = "5"
    & skf21("4","1","2","3","6","6","7","1") = "6"
    & skf21("4","1","2","3","6","7","1","1") = "6"
    & skf21("4","1","2","3","6","7","2","1") = "6"
    & skf21("4","1","2","3","6","7","3","1") = "6"
    & skf21("4","1","2","3","6","7","4","1") = "6"
    & skf21("4","1","2","3","6","7","5","1") = "6"
    & skf21("4","1","2","3","6","7","6","1") = "6"
    & skf21("4","1","2","3","6","7","7","1") = "6"
    & skf21("4","1","2","3","7","1","1","1") = "6"
    & skf21("4","1","2","3","7","1","2","1") = "6"
    & skf21("4","1","2","3","7","1","3","1") = "6"
    & skf21("4","1","2","3","7","1","4","1") = "6"
    & skf21("4","1","2","3","7","1","5","1") = "6"
    & skf21("4","1","2","3","7","1","6","1") = "6"
    & skf21("4","1","2","3","7","1","7","1") = "6"
    & skf21("4","1","2","3","7","2","1","1") = "6"
    & skf21("4","1","2","3","7","2","2","1") = "6"
    & skf21("4","1","2","3","7","2","3","1") = "6"
    & skf21("4","1","2","3","7","2","4","1") = "6"
    & skf21("4","1","2","3","7","2","5","1") = "6"
    & skf21("4","1","2","3","7","2","6","1") = "6"
    & skf21("4","1","2","3","7","2","7","1") = "6"
    & skf21("4","1","2","3","7","3","1","1") = "6"
    & skf21("4","1","2","3","7","3","2","1") = "6"
    & skf21("4","1","2","3","7","3","3","1") = "6"
    & skf21("4","1","2","3","7","3","4","1") = "6"
    & skf21("4","1","2","3","7","3","5","1") = "6"
    & skf21("4","1","2","3","7","3","6","1") = "6"
    & skf21("4","1","2","3","7","3","7","1") = "6"
    & skf21("4","1","2","3","7","4","1","1") = "6"
    & skf21("4","1","2","3","7","4","2","1") = "6"
    & skf21("4","1","2","3","7","4","3","1") = "6"
    & skf21("4","1","2","3","7","4","4","1") = "6"
    & skf21("4","1","2","3","7","4","5","1") = "6"
    & skf21("4","1","2","3","7","4","6","1") = "6"
    & skf21("4","1","2","3","7","4","7","1") = "6"
    & skf21("4","1","2","3","7","5","1","1") = "6"
    & skf21("4","1","2","3","7","5","2","1") = "6"
    & skf21("4","1","2","3","7","5","3","1") = "6"
    & skf21("4","1","2","3","7","5","4","1") = "6"
    & skf21("4","1","2","3","7","5","5","1") = "6"
    & skf21("4","1","2","3","7","5","6","1") = "6"
    & skf21("4","1","2","3","7","5","7","1") = "6"
    & skf21("4","1","2","3","7","6","1","1") = "6"
    & skf21("4","1","2","3","7","6","2","1") = "6"
    & skf21("4","1","2","3","7","6","3","1") = "6"
    & skf21("4","1","2","3","7","6","4","1") = "6"
    & skf21("4","1","2","3","7","6","5","1") = "6"
    & skf21("4","1","2","3","7","6","6","1") = "6"
    & skf21("4","1","2","3","7","6","7","1") = "6"
    & skf21("4","1","2","3","7","7","1","1") = "6"
    & skf21("4","1","2","3","7","7","2","1") = "6"
    & skf21("4","1","2","3","7","7","3","1") = "6"
    & skf21("4","1","2","3","7","7","4","1") = "6"
    & skf21("4","1","2","3","7","7","5","1") = "6"
    & skf21("4","1","2","3","7","7","6","1") = "6"
    & skf21("4","1","2","3","7","7","7","1") = "6"
    & skf21("4","1","2","4","1","1","1","1") = "3"
    & skf21("4","1","2","4","1","1","2","1") = "3"
    & skf21("4","1","2","4","1","1","3","1") = "3"
    & skf21("4","1","2","4","1","1","4","1") = "3"
    & skf21("4","1","2","4","1","1","5","1") = "4"
    & skf21("4","1","2","4","1","1","6","1") = "5"
    & skf21("4","1","2","4","1","1","7","1") = "6"
    & skf21("4","1","2","4","1","2","1","1") = "3"
    & skf21("4","1","2","4","1","2","2","1") = "3"
    & skf21("4","1","2","4","1","2","3","1") = "3"
    & skf21("4","1","2","4","1","2","4","1") = "3"
    & skf21("4","1","2","4","1","2","5","1") = "4"
    & skf21("4","1","2","4","1","2","6","1") = "5"
    & skf21("4","1","2","4","1","2","7","1") = "6"
    & skf21("4","1","2","4","1","3","1","1") = "3"
    & skf21("4","1","2","4","1","3","2","1") = "3"
    & skf21("4","1","2","4","1","3","3","1") = "3"
    & skf21("4","1","2","4","1","3","4","1") = "3"
    & skf21("4","1","2","4","1","3","5","1") = "4"
    & skf21("4","1","2","4","1","3","6","1") = "5"
    & skf21("4","1","2","4","1","3","7","1") = "6"
    & skf21("4","1","2","4","1","4","1","1") = "3"
    & skf21("4","1","2","4","1","4","2","1") = "3"
    & skf21("4","1","2","4","1","4","3","1") = "3"
    & skf21("4","1","2","4","1","4","4","1") = "3"
    & skf21("4","1","2","4","1","4","5","1") = "4"
    & skf21("4","1","2","4","1","4","6","1") = "5"
    & skf21("4","1","2","4","1","4","7","1") = "6"
    & skf21("4","1","2","4","1","5","1","1") = "4"
    & skf21("4","1","2","4","1","5","2","1") = "4"
    & skf21("4","1","2","4","1","5","3","1") = "4"
    & skf21("4","1","2","4","1","5","4","1") = "4"
    & skf21("4","1","2","4","1","5","5","1") = "4"
    & skf21("4","1","2","4","1","5","6","1") = "5"
    & skf21("4","1","2","4","1","5","7","1") = "6"
    & skf21("4","1","2","4","1","6","1","1") = "5"
    & skf21("4","1","2","4","1","6","2","1") = "5"
    & skf21("4","1","2","4","1","6","3","1") = "5"
    & skf21("4","1","2","4","1","6","4","1") = "5"
    & skf21("4","1","2","4","1","6","5","1") = "5"
    & skf21("4","1","2","4","1","6","6","1") = "5"
    & skf21("4","1","2","4","1","6","7","1") = "6"
    & skf21("4","1","2","4","1","7","1","1") = "6"
    & skf21("4","1","2","4","1","7","2","1") = "6"
    & skf21("4","1","2","4","1","7","3","1") = "6"
    & skf21("4","1","2","4","1","7","4","1") = "6"
    & skf21("4","1","2","4","1","7","5","1") = "6"
    & skf21("4","1","2","4","1","7","6","1") = "6"
    & skf21("4","1","2","4","1","7","7","1") = "6"
    & skf21("4","1","2","4","2","1","1","1") = "3"
    & skf21("4","1","2","4","2","1","2","1") = "3"
    & skf21("4","1","2","4","2","1","3","1") = "3"
    & skf21("4","1","2","4","2","1","4","1") = "3"
    & skf21("4","1","2","4","2","1","5","1") = "4"
    & skf21("4","1","2","4","2","1","6","1") = "5"
    & skf21("4","1","2","4","2","1","7","1") = "6"
    & skf21("4","1","2","4","2","2","1","1") = "3"
    & skf21("4","1","2","4","2","2","2","1") = "3"
    & skf21("4","1","2","4","2","2","3","1") = "3"
    & skf21("4","1","2","4","2","2","4","1") = "3"
    & skf21("4","1","2","4","2","2","5","1") = "4"
    & skf21("4","1","2","4","2","2","6","1") = "5"
    & skf21("4","1","2","4","2","2","7","1") = "6"
    & skf21("4","1","2","4","2","3","1","1") = "3"
    & skf21("4","1","2","4","2","3","2","1") = "3"
    & skf21("4","1","2","4","2","3","3","1") = "3"
    & skf21("4","1","2","4","2","3","4","1") = "3"
    & skf21("4","1","2","4","2","3","5","1") = "4"
    & skf21("4","1","2","4","2","3","6","1") = "5"
    & skf21("4","1","2","4","2","3","7","1") = "6"
    & skf21("4","1","2","4","2","4","1","1") = "3"
    & skf21("4","1","2","4","2","4","2","1") = "3"
    & skf21("4","1","2","4","2","4","3","1") = "3"
    & skf21("4","1","2","4","2","4","4","1") = "3"
    & skf21("4","1","2","4","2","4","5","1") = "4"
    & skf21("4","1","2","4","2","4","6","1") = "5"
    & skf21("4","1","2","4","2","4","7","1") = "6"
    & skf21("4","1","2","4","2","5","1","1") = "4"
    & skf21("4","1","2","4","2","5","2","1") = "4"
    & skf21("4","1","2","4","2","5","3","1") = "4"
    & skf21("4","1","2","4","2","5","4","1") = "4"
    & skf21("4","1","2","4","2","5","5","1") = "4"
    & skf21("4","1","2","4","2","5","6","1") = "5"
    & skf21("4","1","2","4","2","5","7","1") = "6"
    & skf21("4","1","2","4","2","6","1","1") = "5"
    & skf21("4","1","2","4","2","6","2","1") = "5"
    & skf21("4","1","2","4","2","6","3","1") = "5"
    & skf21("4","1","2","4","2","6","4","1") = "5"
    & skf21("4","1","2","4","2","6","5","1") = "5"
    & skf21("4","1","2","4","2","6","6","1") = "5"
    & skf21("4","1","2","4","2","6","7","1") = "6"
    & skf21("4","1","2","4","2","7","1","1") = "6"
    & skf21("4","1","2","4","2","7","2","1") = "6"
    & skf21("4","1","2","4","2","7","3","1") = "6"
    & skf21("4","1","2","4","2","7","4","1") = "6"
    & skf21("4","1","2","4","2","7","5","1") = "6"
    & skf21("4","1","2","4","2","7","6","1") = "6"
    & skf21("4","1","2","4","2","7","7","1") = "6"
    & skf21("4","1","2","4","3","1","1","1") = "3"
    & skf21("4","1","2","4","3","1","2","1") = "3"
    & skf21("4","1","2","4","3","1","3","1") = "3"
    & skf21("4","1","2","4","3","1","4","1") = "3"
    & skf21("4","1","2","4","3","1","5","1") = "4"
    & skf21("4","1","2","4","3","1","6","1") = "5"
    & skf21("4","1","2","4","3","1","7","1") = "6"
    & skf21("4","1","2","4","3","2","1","1") = "3"
    & skf21("4","1","2","4","3","2","2","1") = "3"
    & skf21("4","1","2","4","3","2","3","1") = "3"
    & skf21("4","1","2","4","3","2","4","1") = "3"
    & skf21("4","1","2","4","3","2","5","1") = "4"
    & skf21("4","1","2","4","3","2","6","1") = "5"
    & skf21("4","1","2","4","3","2","7","1") = "6"
    & skf21("4","1","2","4","3","3","1","1") = "3"
    & skf21("4","1","2","4","3","3","2","1") = "3"
    & skf21("4","1","2","4","3","3","3","1") = "3"
    & skf21("4","1","2","4","3","3","4","1") = "3"
    & skf21("4","1","2","4","3","3","5","1") = "4"
    & skf21("4","1","2","4","3","3","6","1") = "5"
    & skf21("4","1","2","4","3","3","7","1") = "6"
    & skf21("4","1","2","4","3","4","1","1") = "3"
    & skf21("4","1","2","4","3","4","2","1") = "3"
    & skf21("4","1","2","4","3","4","3","1") = "3"
    & skf21("4","1","2","4","3","4","4","1") = "3"
    & skf21("4","1","2","4","3","4","5","1") = "4"
    & skf21("4","1","2","4","3","4","6","1") = "5"
    & skf21("4","1","2","4","3","4","7","1") = "6"
    & skf21("4","1","2","4","3","5","1","1") = "4"
    & skf21("4","1","2","4","3","5","2","1") = "4"
    & skf21("4","1","2","4","3","5","3","1") = "4"
    & skf21("4","1","2","4","3","5","4","1") = "4"
    & skf21("4","1","2","4","3","5","5","1") = "4"
    & skf21("4","1","2","4","3","5","6","1") = "5"
    & skf21("4","1","2","4","3","5","7","1") = "6"
    & skf21("4","1","2","4","3","6","1","1") = "5"
    & skf21("4","1","2","4","3","6","2","1") = "5"
    & skf21("4","1","2","4","3","6","3","1") = "5"
    & skf21("4","1","2","4","3","6","4","1") = "5"
    & skf21("4","1","2","4","3","6","5","1") = "5"
    & skf21("4","1","2","4","3","6","6","1") = "5"
    & skf21("4","1","2","4","3","6","7","1") = "6"
    & skf21("4","1","2","4","3","7","1","1") = "6"
    & skf21("4","1","2","4","3","7","2","1") = "6"
    & skf21("4","1","2","4","3","7","3","1") = "6"
    & skf21("4","1","2","4","3","7","4","1") = "6"
    & skf21("4","1","2","4","3","7","5","1") = "6"
    & skf21("4","1","2","4","3","7","6","1") = "6"
    & skf21("4","1","2","4","3","7","7","1") = "6"
    & skf21("4","1","2","4","4","1","1","1") = "3"
    & skf21("4","1","2","4","4","1","2","1") = "3"
    & skf21("4","1","2","4","4","1","3","1") = "3"
    & skf21("4","1","2","4","4","1","4","1") = "3"
    & skf21("4","1","2","4","4","1","5","1") = "4"
    & skf21("4","1","2","4","4","1","6","1") = "5"
    & skf21("4","1","2","4","4","1","7","1") = "6"
    & skf21("4","1","2","4","4","2","1","1") = "3"
    & skf21("4","1","2","4","4","2","2","1") = "3"
    & skf21("4","1","2","4","4","2","3","1") = "3"
    & skf21("4","1","2","4","4","2","4","1") = "3"
    & skf21("4","1","2","4","4","2","5","1") = "4"
    & skf21("4","1","2","4","4","2","6","1") = "5"
    & skf21("4","1","2","4","4","2","7","1") = "6"
    & skf21("4","1","2","4","4","3","1","1") = "3"
    & skf21("4","1","2","4","4","3","2","1") = "3"
    & skf21("4","1","2","4","4","3","3","1") = "3"
    & skf21("4","1","2","4","4","3","4","1") = "3"
    & skf21("4","1","2","4","4","3","5","1") = "4"
    & skf21("4","1","2","4","4","3","6","1") = "5"
    & skf21("4","1","2","4","4","3","7","1") = "6"
    & skf21("4","1","2","4","4","4","1","1") = "3"
    & skf21("4","1","2","4","4","4","2","1") = "3"
    & skf21("4","1","2","4","4","4","3","1") = "3"
    & skf21("4","1","2","4","4","4","4","1") = "3"
    & skf21("4","1","2","4","4","4","5","1") = "4"
    & skf21("4","1","2","4","4","4","6","1") = "5"
    & skf21("4","1","2","4","4","4","7","1") = "6"
    & skf21("4","1","2","4","4","5","1","1") = "4"
    & skf21("4","1","2","4","4","5","2","1") = "4"
    & skf21("4","1","2","4","4","5","3","1") = "4"
    & skf21("4","1","2","4","4","5","4","1") = "4"
    & skf21("4","1","2","4","4","5","5","1") = "4"
    & skf21("4","1","2","4","4","5","6","1") = "5"
    & skf21("4","1","2","4","4","5","7","1") = "6"
    & skf21("4","1","2","4","4","6","1","1") = "5"
    & skf21("4","1","2","4","4","6","2","1") = "5"
    & skf21("4","1","2","4","4","6","3","1") = "5"
    & skf21("4","1","2","4","4","6","4","1") = "5"
    & skf21("4","1","2","4","4","6","5","1") = "5"
    & skf21("4","1","2","4","4","6","6","1") = "5"
    & skf21("4","1","2","4","4","6","7","1") = "6"
    & skf21("4","1","2","4","4","7","1","1") = "6"
    & skf21("4","1","2","4","4","7","2","1") = "6"
    & skf21("4","1","2","4","4","7","3","1") = "6"
    & skf21("4","1","2","4","4","7","4","1") = "6"
    & skf21("4","1","2","4","4","7","5","1") = "6"
    & skf21("4","1","2","4","4","7","6","1") = "6"
    & skf21("4","1","2","4","4","7","7","1") = "6"
    & skf21("4","1","2","4","5","1","1","1") = "4"
    & skf21("4","1","2","4","5","1","2","1") = "4"
    & skf21("4","1","2","4","5","1","3","1") = "4"
    & skf21("4","1","2","4","5","1","4","1") = "4"
    & skf21("4","1","2","4","5","1","5","1") = "4"
    & skf21("4","1","2","4","5","1","6","1") = "5"
    & skf21("4","1","2","4","5","1","7","1") = "6"
    & skf21("4","1","2","4","5","2","1","1") = "4"
    & skf21("4","1","2","4","5","2","2","1") = "4"
    & skf21("4","1","2","4","5","2","3","1") = "4"
    & skf21("4","1","2","4","5","2","4","1") = "4"
    & skf21("4","1","2","4","5","2","5","1") = "4"
    & skf21("4","1","2","4","5","2","6","1") = "5"
    & skf21("4","1","2","4","5","2","7","1") = "6"
    & skf21("4","1","2","4","5","3","1","1") = "4"
    & skf21("4","1","2","4","5","3","2","1") = "4"
    & skf21("4","1","2","4","5","3","3","1") = "4"
    & skf21("4","1","2","4","5","3","4","1") = "4"
    & skf21("4","1","2","4","5","3","5","1") = "4"
    & skf21("4","1","2","4","5","3","6","1") = "5"
    & skf21("4","1","2","4","5","3","7","1") = "6"
    & skf21("4","1","2","4","5","4","1","1") = "4"
    & skf21("4","1","2","4","5","4","2","1") = "4"
    & skf21("4","1","2","4","5","4","3","1") = "4"
    & skf21("4","1","2","4","5","4","4","1") = "4"
    & skf21("4","1","2","4","5","4","5","1") = "4"
    & skf21("4","1","2","4","5","4","6","1") = "5"
    & skf21("4","1","2","4","5","4","7","1") = "6"
    & skf21("4","1","2","4","5","5","1","1") = "4"
    & skf21("4","1","2","4","5","5","2","1") = "4"
    & skf21("4","1","2","4","5","5","3","1") = "4"
    & skf21("4","1","2","4","5","5","4","1") = "4"
    & skf21("4","1","2","4","5","5","5","1") = "4"
    & skf21("4","1","2","4","5","5","6","1") = "5"
    & skf21("4","1","2","4","5","5","7","1") = "6"
    & skf21("4","1","2","4","5","6","1","1") = "5"
    & skf21("4","1","2","4","5","6","2","1") = "5"
    & skf21("4","1","2","4","5","6","3","1") = "5"
    & skf21("4","1","2","4","5","6","4","1") = "5"
    & skf21("4","1","2","4","5","6","5","1") = "5"
    & skf21("4","1","2","4","5","6","6","1") = "5"
    & skf21("4","1","2","4","5","6","7","1") = "6"
    & skf21("4","1","2","4","5","7","1","1") = "6"
    & skf21("4","1","2","4","5","7","2","1") = "6"
    & skf21("4","1","2","4","5","7","3","1") = "6"
    & skf21("4","1","2","4","5","7","4","1") = "6"
    & skf21("4","1","2","4","5","7","5","1") = "6"
    & skf21("4","1","2","4","5","7","6","1") = "6"
    & skf21("4","1","2","4","5","7","7","1") = "6"
    & skf21("4","1","2","4","6","1","1","1") = "5"
    & skf21("4","1","2","4","6","1","2","1") = "5"
    & skf21("4","1","2","4","6","1","3","1") = "5"
    & skf21("4","1","2","4","6","1","4","1") = "5"
    & skf21("4","1","2","4","6","1","5","1") = "5"
    & skf21("4","1","2","4","6","1","6","1") = "5"
    & skf21("4","1","2","4","6","1","7","1") = "6"
    & skf21("4","1","2","4","6","2","1","1") = "5"
    & skf21("4","1","2","4","6","2","2","1") = "5"
    & skf21("4","1","2","4","6","2","3","1") = "5"
    & skf21("4","1","2","4","6","2","4","1") = "5"
    & skf21("4","1","2","4","6","2","5","1") = "5"
    & skf21("4","1","2","4","6","2","6","1") = "5"
    & skf21("4","1","2","4","6","2","7","1") = "6"
    & skf21("4","1","2","4","6","3","1","1") = "5"
    & skf21("4","1","2","4","6","3","2","1") = "5"
    & skf21("4","1","2","4","6","3","3","1") = "5"
    & skf21("4","1","2","4","6","3","4","1") = "5"
    & skf21("4","1","2","4","6","3","5","1") = "5"
    & skf21("4","1","2","4","6","3","6","1") = "5"
    & skf21("4","1","2","4","6","3","7","1") = "6"
    & skf21("4","1","2","4","6","4","1","1") = "5"
    & skf21("4","1","2","4","6","4","2","1") = "5"
    & skf21("4","1","2","4","6","4","3","1") = "5"
    & skf21("4","1","2","4","6","4","4","1") = "5"
    & skf21("4","1","2","4","6","4","5","1") = "5"
    & skf21("4","1","2","4","6","4","6","1") = "5"
    & skf21("4","1","2","4","6","4","7","1") = "6"
    & skf21("4","1","2","4","6","5","1","1") = "5"
    & skf21("4","1","2","4","6","5","2","1") = "5"
    & skf21("4","1","2","4","6","5","3","1") = "5"
    & skf21("4","1","2","4","6","5","4","1") = "5"
    & skf21("4","1","2","4","6","5","5","1") = "5"
    & skf21("4","1","2","4","6","5","6","1") = "5"
    & skf21("4","1","2","4","6","5","7","1") = "6"
    & skf21("4","1","2","4","6","6","1","1") = "5"
    & skf21("4","1","2","4","6","6","2","1") = "5"
    & skf21("4","1","2","4","6","6","3","1") = "5"
    & skf21("4","1","2","4","6","6","4","1") = "5"
    & skf21("4","1","2","4","6","6","5","1") = "5"
    & skf21("4","1","2","4","6","6","6","1") = "5"
    & skf21("4","1","2","4","6","6","7","1") = "6"
    & skf21("4","1","2","4","6","7","1","1") = "6"
    & skf21("4","1","2","4","6","7","2","1") = "6"
    & skf21("4","1","2","4","6","7","3","1") = "6"
    & skf21("4","1","2","4","6","7","4","1") = "6"
    & skf21("4","1","2","4","6","7","5","1") = "6"
    & skf21("4","1","2","4","6","7","6","1") = "6"
    & skf21("4","1","2","4","6","7","7","1") = "6"
    & skf21("4","1","2","4","7","1","1","1") = "6"
    & skf21("4","1","2","4","7","1","2","1") = "6"
    & skf21("4","1","2","4","7","1","3","1") = "6"
    & skf21("4","1","2","4","7","1","4","1") = "6"
    & skf21("4","1","2","4","7","1","5","1") = "6"
    & skf21("4","1","2","4","7","1","6","1") = "6"
    & skf21("4","1","2","4","7","1","7","1") = "6"
    & skf21("4","1","2","4","7","2","1","1") = "6"
    & skf21("4","1","2","4","7","2","2","1") = "6"
    & skf21("4","1","2","4","7","2","3","1") = "6"
    & skf21("4","1","2","4","7","2","4","1") = "6"
    & skf21("4","1","2","4","7","2","5","1") = "6"
    & skf21("4","1","2","4","7","2","6","1") = "6"
    & skf21("4","1","2","4","7","2","7","1") = "6"
    & skf21("4","1","2","4","7","3","1","1") = "6"
    & skf21("4","1","2","4","7","3","2","1") = "6"
    & skf21("4","1","2","4","7","3","3","1") = "6"
    & skf21("4","1","2","4","7","3","4","1") = "6"
    & skf21("4","1","2","4","7","3","5","1") = "6"
    & skf21("4","1","2","4","7","3","6","1") = "6"
    & skf21("4","1","2","4","7","3","7","1") = "6"
    & skf21("4","1","2","4","7","4","1","1") = "6"
    & skf21("4","1","2","4","7","4","2","1") = "6"
    & skf21("4","1","2","4","7","4","3","1") = "6"
    & skf21("4","1","2","4","7","4","4","1") = "6"
    & skf21("4","1","2","4","7","4","5","1") = "6"
    & skf21("4","1","2","4","7","4","6","1") = "6"
    & skf21("4","1","2","4","7","4","7","1") = "6"
    & skf21("4","1","2","4","7","5","1","1") = "6"
    & skf21("4","1","2","4","7","5","2","1") = "6"
    & skf21("4","1","2","4","7","5","3","1") = "6"
    & skf21("4","1","2","4","7","5","4","1") = "6"
    & skf21("4","1","2","4","7","5","5","1") = "6"
    & skf21("4","1","2","4","7","5","6","1") = "6"
    & skf21("4","1","2","4","7","5","7","1") = "6"
    & skf21("4","1","2","4","7","6","1","1") = "6"
    & skf21("4","1","2","4","7","6","2","1") = "6"
    & skf21("4","1","2","4","7","6","3","1") = "6"
    & skf21("4","1","2","4","7","6","4","1") = "6"
    & skf21("4","1","2","4","7","6","5","1") = "6"
    & skf21("4","1","2","4","7","6","6","1") = "6"
    & skf21("4","1","2","4","7","6","7","1") = "6"
    & skf21("4","1","2","4","7","7","1","1") = "6"
    & skf21("4","1","2","4","7","7","2","1") = "6"
    & skf21("4","1","2","4","7","7","3","1") = "6"
    & skf21("4","1","2","4","7","7","4","1") = "6"
    & skf21("4","1","2","4","7","7","5","1") = "6"
    & skf21("4","1","2","4","7","7","6","1") = "6"
    & skf21("4","1","2","4","7","7","7","1") = "6"
    & skf21("4","1","2","5","1","1","1","1") = "4"
    & skf21("4","1","2","5","1","1","2","1") = "4"
    & skf21("4","1","2","5","1","1","3","1") = "4"
    & skf21("4","1","2","5","1","1","4","1") = "4"
    & skf21("4","1","2","5","1","1","5","1") = "4"
    & skf21("4","1","2","5","1","1","6","1") = "5"
    & skf21("4","1","2","5","1","1","7","1") = "6"
    & skf21("4","1","2","5","1","2","1","1") = "4"
    & skf21("4","1","2","5","1","2","2","1") = "4"
    & skf21("4","1","2","5","1","2","3","1") = "4"
    & skf21("4","1","2","5","1","2","4","1") = "4"
    & skf21("4","1","2","5","1","2","5","1") = "4"
    & skf21("4","1","2","5","1","2","6","1") = "5"
    & skf21("4","1","2","5","1","2","7","1") = "6"
    & skf21("4","1","2","5","1","3","1","1") = "4"
    & skf21("4","1","2","5","1","3","2","1") = "4"
    & skf21("4","1","2","5","1","3","3","1") = "4"
    & skf21("4","1","2","5","1","3","4","1") = "4"
    & skf21("4","1","2","5","1","3","5","1") = "4"
    & skf21("4","1","2","5","1","3","6","1") = "5"
    & skf21("4","1","2","5","1","3","7","1") = "6"
    & skf21("4","1","2","5","1","4","1","1") = "4"
    & skf21("4","1","2","5","1","4","2","1") = "4"
    & skf21("4","1","2","5","1","4","3","1") = "4"
    & skf21("4","1","2","5","1","4","4","1") = "4"
    & skf21("4","1","2","5","1","4","5","1") = "4"
    & skf21("4","1","2","5","1","4","6","1") = "5"
    & skf21("4","1","2","5","1","4","7","1") = "6"
    & skf21("4","1","2","5","1","5","1","1") = "4"
    & skf21("4","1","2","5","1","5","2","1") = "4"
    & skf21("4","1","2","5","1","5","3","1") = "4"
    & skf21("4","1","2","5","1","5","4","1") = "4"
    & skf21("4","1","2","5","1","5","5","1") = "4"
    & skf21("4","1","2","5","1","5","6","1") = "5"
    & skf21("4","1","2","5","1","5","7","1") = "6"
    & skf21("4","1","2","5","1","6","1","1") = "5"
    & skf21("4","1","2","5","1","6","2","1") = "5"
    & skf21("4","1","2","5","1","6","3","1") = "5"
    & skf21("4","1","2","5","1","6","4","1") = "5"
    & skf21("4","1","2","5","1","6","5","1") = "5"
    & skf21("4","1","2","5","1","6","6","1") = "5"
    & skf21("4","1","2","5","1","6","7","1") = "6"
    & skf21("4","1","2","5","1","7","1","1") = "6"
    & skf21("4","1","2","5","1","7","2","1") = "6"
    & skf21("4","1","2","5","1","7","3","1") = "6"
    & skf21("4","1","2","5","1","7","4","1") = "6"
    & skf21("4","1","2","5","1","7","5","1") = "6"
    & skf21("4","1","2","5","1","7","6","1") = "6"
    & skf21("4","1","2","5","1","7","7","1") = "6"
    & skf21("4","1","2","5","2","1","1","1") = "4"
    & skf21("4","1","2","5","2","1","2","1") = "4"
    & skf21("4","1","2","5","2","1","3","1") = "4"
    & skf21("4","1","2","5","2","1","4","1") = "4"
    & skf21("4","1","2","5","2","1","5","1") = "4"
    & skf21("4","1","2","5","2","1","6","1") = "5"
    & skf21("4","1","2","5","2","1","7","1") = "6"
    & skf21("4","1","2","5","2","2","1","1") = "4"
    & skf21("4","1","2","5","2","2","2","1") = "4"
    & skf21("4","1","2","5","2","2","3","1") = "4"
    & skf21("4","1","2","5","2","2","4","1") = "4"
    & skf21("4","1","2","5","2","2","5","1") = "4"
    & skf21("4","1","2","5","2","2","6","1") = "5"
    & skf21("4","1","2","5","2","2","7","1") = "6"
    & skf21("4","1","2","5","2","3","1","1") = "4"
    & skf21("4","1","2","5","2","3","2","1") = "4"
    & skf21("4","1","2","5","2","3","3","1") = "4"
    & skf21("4","1","2","5","2","3","4","1") = "4"
    & skf21("4","1","2","5","2","3","5","1") = "4"
    & skf21("4","1","2","5","2","3","6","1") = "5"
    & skf21("4","1","2","5","2","3","7","1") = "6"
    & skf21("4","1","2","5","2","4","1","1") = "4"
    & skf21("4","1","2","5","2","4","2","1") = "4"
    & skf21("4","1","2","5","2","4","3","1") = "4"
    & skf21("4","1","2","5","2","4","4","1") = "4"
    & skf21("4","1","2","5","2","4","5","1") = "4"
    & skf21("4","1","2","5","2","4","6","1") = "5"
    & skf21("4","1","2","5","2","4","7","1") = "6"
    & skf21("4","1","2","5","2","5","1","1") = "4"
    & skf21("4","1","2","5","2","5","2","1") = "4"
    & skf21("4","1","2","5","2","5","3","1") = "4"
    & skf21("4","1","2","5","2","5","4","1") = "4"
    & skf21("4","1","2","5","2","5","5","1") = "4"
    & skf21("4","1","2","5","2","5","6","1") = "5"
    & skf21("4","1","2","5","2","5","7","1") = "6"
    & skf21("4","1","2","5","2","6","1","1") = "5"
    & skf21("4","1","2","5","2","6","2","1") = "5"
    & skf21("4","1","2","5","2","6","3","1") = "5"
    & skf21("4","1","2","5","2","6","4","1") = "5"
    & skf21("4","1","2","5","2","6","5","1") = "5"
    & skf21("4","1","2","5","2","6","6","1") = "5"
    & skf21("4","1","2","5","2","6","7","1") = "6"
    & skf21("4","1","2","5","2","7","1","1") = "6"
    & skf21("4","1","2","5","2","7","2","1") = "6"
    & skf21("4","1","2","5","2","7","3","1") = "6"
    & skf21("4","1","2","5","2","7","4","1") = "6"
    & skf21("4","1","2","5","2","7","5","1") = "6"
    & skf21("4","1","2","5","2","7","6","1") = "6"
    & skf21("4","1","2","5","2","7","7","1") = "6"
    & skf21("4","1","2","5","3","1","1","1") = "4"
    & skf21("4","1","2","5","3","1","2","1") = "4"
    & skf21("4","1","2","5","3","1","3","1") = "4"
    & skf21("4","1","2","5","3","1","4","1") = "4"
    & skf21("4","1","2","5","3","1","5","1") = "4"
    & skf21("4","1","2","5","3","1","6","1") = "5"
    & skf21("4","1","2","5","3","1","7","1") = "6"
    & skf21("4","1","2","5","3","2","1","1") = "4"
    & skf21("4","1","2","5","3","2","2","1") = "4"
    & skf21("4","1","2","5","3","2","3","1") = "4"
    & skf21("4","1","2","5","3","2","4","1") = "4"
    & skf21("4","1","2","5","3","2","5","1") = "4"
    & skf21("4","1","2","5","3","2","6","1") = "5"
    & skf21("4","1","2","5","3","2","7","1") = "6"
    & skf21("4","1","2","5","3","3","1","1") = "4"
    & skf21("4","1","2","5","3","3","2","1") = "4"
    & skf21("4","1","2","5","3","3","3","1") = "4"
    & skf21("4","1","2","5","3","3","4","1") = "4"
    & skf21("4","1","2","5","3","3","5","1") = "4"
    & skf21("4","1","2","5","3","3","6","1") = "5"
    & skf21("4","1","2","5","3","3","7","1") = "6"
    & skf21("4","1","2","5","3","4","1","1") = "4"
    & skf21("4","1","2","5","3","4","2","1") = "4"
    & skf21("4","1","2","5","3","4","3","1") = "4"
    & skf21("4","1","2","5","3","4","4","1") = "4"
    & skf21("4","1","2","5","3","4","5","1") = "4"
    & skf21("4","1","2","5","3","4","6","1") = "5"
    & skf21("4","1","2","5","3","4","7","1") = "6"
    & skf21("4","1","2","5","3","5","1","1") = "4"
    & skf21("4","1","2","5","3","5","2","1") = "4"
    & skf21("4","1","2","5","3","5","3","1") = "4"
    & skf21("4","1","2","5","3","5","4","1") = "4"
    & skf21("4","1","2","5","3","5","5","1") = "4"
    & skf21("4","1","2","5","3","5","6","1") = "5"
    & skf21("4","1","2","5","3","5","7","1") = "6"
    & skf21("4","1","2","5","3","6","1","1") = "5"
    & skf21("4","1","2","5","3","6","2","1") = "5"
    & skf21("4","1","2","5","3","6","3","1") = "5"
    & skf21("4","1","2","5","3","6","4","1") = "5"
    & skf21("4","1","2","5","3","6","5","1") = "5"
    & skf21("4","1","2","5","3","6","6","1") = "5"
    & skf21("4","1","2","5","3","6","7","1") = "6"
    & skf21("4","1","2","5","3","7","1","1") = "6"
    & skf21("4","1","2","5","3","7","2","1") = "6"
    & skf21("4","1","2","5","3","7","3","1") = "6"
    & skf21("4","1","2","5","3","7","4","1") = "6"
    & skf21("4","1","2","5","3","7","5","1") = "6"
    & skf21("4","1","2","5","3","7","6","1") = "6"
    & skf21("4","1","2","5","3","7","7","1") = "6"
    & skf21("4","1","2","5","4","1","1","1") = "4"
    & skf21("4","1","2","5","4","1","2","1") = "4"
    & skf21("4","1","2","5","4","1","3","1") = "4"
    & skf21("4","1","2","5","4","1","4","1") = "4"
    & skf21("4","1","2","5","4","1","5","1") = "4"
    & skf21("4","1","2","5","4","1","6","1") = "5"
    & skf21("4","1","2","5","4","1","7","1") = "6"
    & skf21("4","1","2","5","4","2","1","1") = "4"
    & skf21("4","1","2","5","4","2","2","1") = "4"
    & skf21("4","1","2","5","4","2","3","1") = "4"
    & skf21("4","1","2","5","4","2","4","1") = "4"
    & skf21("4","1","2","5","4","2","5","1") = "4"
    & skf21("4","1","2","5","4","2","6","1") = "5"
    & skf21("4","1","2","5","4","2","7","1") = "6"
    & skf21("4","1","2","5","4","3","1","1") = "4"
    & skf21("4","1","2","5","4","3","2","1") = "4"
    & skf21("4","1","2","5","4","3","3","1") = "4"
    & skf21("4","1","2","5","4","3","4","1") = "4"
    & skf21("4","1","2","5","4","3","5","1") = "4"
    & skf21("4","1","2","5","4","3","6","1") = "5"
    & skf21("4","1","2","5","4","3","7","1") = "6"
    & skf21("4","1","2","5","4","4","1","1") = "4"
    & skf21("4","1","2","5","4","4","2","1") = "4"
    & skf21("4","1","2","5","4","4","3","1") = "4"
    & skf21("4","1","2","5","4","4","4","1") = "4"
    & skf21("4","1","2","5","4","4","5","1") = "4"
    & skf21("4","1","2","5","4","4","6","1") = "5"
    & skf21("4","1","2","5","4","4","7","1") = "6"
    & skf21("4","1","2","5","4","5","1","1") = "4"
    & skf21("4","1","2","5","4","5","2","1") = "4"
    & skf21("4","1","2","5","4","5","3","1") = "4"
    & skf21("4","1","2","5","4","5","4","1") = "4"
    & skf21("4","1","2","5","4","5","5","1") = "4"
    & skf21("4","1","2","5","4","5","6","1") = "5"
    & skf21("4","1","2","5","4","5","7","1") = "6"
    & skf21("4","1","2","5","4","6","1","1") = "5"
    & skf21("4","1","2","5","4","6","2","1") = "5"
    & skf21("4","1","2","5","4","6","3","1") = "5"
    & skf21("4","1","2","5","4","6","4","1") = "5"
    & skf21("4","1","2","5","4","6","5","1") = "5"
    & skf21("4","1","2","5","4","6","6","1") = "5"
    & skf21("4","1","2","5","4","6","7","1") = "6"
    & skf21("4","1","2","5","4","7","1","1") = "6"
    & skf21("4","1","2","5","4","7","2","1") = "6"
    & skf21("4","1","2","5","4","7","3","1") = "6"
    & skf21("4","1","2","5","4","7","4","1") = "6"
    & skf21("4","1","2","5","4","7","5","1") = "6"
    & skf21("4","1","2","5","4","7","6","1") = "6"
    & skf21("4","1","2","5","4","7","7","1") = "6"
    & skf21("4","1","2","5","5","1","1","1") = "4"
    & skf21("4","1","2","5","5","1","2","1") = "4"
    & skf21("4","1","2","5","5","1","3","1") = "4"
    & skf21("4","1","2","5","5","1","4","1") = "4"
    & skf21("4","1","2","5","5","1","5","1") = "4"
    & skf21("4","1","2","5","5","1","6","1") = "5"
    & skf21("4","1","2","5","5","1","7","1") = "6"
    & skf21("4","1","2","5","5","2","1","1") = "4"
    & skf21("4","1","2","5","5","2","2","1") = "4"
    & skf21("4","1","2","5","5","2","3","1") = "4"
    & skf21("4","1","2","5","5","2","4","1") = "4"
    & skf21("4","1","2","5","5","2","5","1") = "4"
    & skf21("4","1","2","5","5","2","6","1") = "5"
    & skf21("4","1","2","5","5","2","7","1") = "6"
    & skf21("4","1","2","5","5","3","1","1") = "4"
    & skf21("4","1","2","5","5","3","2","1") = "4"
    & skf21("4","1","2","5","5","3","3","1") = "4"
    & skf21("4","1","2","5","5","3","4","1") = "4"
    & skf21("4","1","2","5","5","3","5","1") = "4"
    & skf21("4","1","2","5","5","3","6","1") = "5"
    & skf21("4","1","2","5","5","3","7","1") = "6"
    & skf21("4","1","2","5","5","4","1","1") = "4"
    & skf21("4","1","2","5","5","4","2","1") = "4"
    & skf21("4","1","2","5","5","4","3","1") = "4"
    & skf21("4","1","2","5","5","4","4","1") = "4"
    & skf21("4","1","2","5","5","4","5","1") = "4"
    & skf21("4","1","2","5","5","4","6","1") = "5"
    & skf21("4","1","2","5","5","4","7","1") = "6"
    & skf21("4","1","2","5","5","5","1","1") = "4"
    & skf21("4","1","2","5","5","5","2","1") = "4"
    & skf21("4","1","2","5","5","5","3","1") = "4"
    & skf21("4","1","2","5","5","5","4","1") = "4"
    & skf21("4","1","2","5","5","5","5","1") = "4"
    & skf21("4","1","2","5","5","5","6","1") = "5"
    & skf21("4","1","2","5","5","5","7","1") = "6"
    & skf21("4","1","2","5","5","6","1","1") = "5"
    & skf21("4","1","2","5","5","6","2","1") = "5"
    & skf21("4","1","2","5","5","6","3","1") = "5"
    & skf21("4","1","2","5","5","6","4","1") = "5"
    & skf21("4","1","2","5","5","6","5","1") = "5"
    & skf21("4","1","2","5","5","6","6","1") = "5"
    & skf21("4","1","2","5","5","6","7","1") = "6"
    & skf21("4","1","2","5","5","7","1","1") = "6"
    & skf21("4","1","2","5","5","7","2","1") = "6"
    & skf21("4","1","2","5","5","7","3","1") = "6"
    & skf21("4","1","2","5","5","7","4","1") = "6"
    & skf21("4","1","2","5","5","7","5","1") = "6"
    & skf21("4","1","2","5","5","7","6","1") = "6"
    & skf21("4","1","2","5","5","7","7","1") = "6"
    & skf21("4","1","2","5","6","1","1","1") = "5"
    & skf21("4","1","2","5","6","1","2","1") = "5"
    & skf21("4","1","2","5","6","1","3","1") = "5"
    & skf21("4","1","2","5","6","1","4","1") = "5"
    & skf21("4","1","2","5","6","1","5","1") = "5"
    & skf21("4","1","2","5","6","1","6","1") = "5"
    & skf21("4","1","2","5","6","1","7","1") = "6"
    & skf21("4","1","2","5","6","2","1","1") = "5"
    & skf21("4","1","2","5","6","2","2","1") = "5"
    & skf21("4","1","2","5","6","2","3","1") = "5"
    & skf21("4","1","2","5","6","2","4","1") = "5"
    & skf21("4","1","2","5","6","2","5","1") = "5"
    & skf21("4","1","2","5","6","2","6","1") = "5"
    & skf21("4","1","2","5","6","2","7","1") = "6"
    & skf21("4","1","2","5","6","3","1","1") = "5"
    & skf21("4","1","2","5","6","3","2","1") = "5"
    & skf21("4","1","2","5","6","3","3","1") = "5"
    & skf21("4","1","2","5","6","3","4","1") = "5"
    & skf21("4","1","2","5","6","3","5","1") = "5"
    & skf21("4","1","2","5","6","3","6","1") = "5"
    & skf21("4","1","2","5","6","3","7","1") = "6"
    & skf21("4","1","2","5","6","4","1","1") = "5"
    & skf21("4","1","2","5","6","4","2","1") = "5"
    & skf21("4","1","2","5","6","4","3","1") = "5"
    & skf21("4","1","2","5","6","4","4","1") = "5"
    & skf21("4","1","2","5","6","4","5","1") = "5"
    & skf21("4","1","2","5","6","4","6","1") = "5"
    & skf21("4","1","2","5","6","4","7","1") = "6"
    & skf21("4","1","2","5","6","5","1","1") = "5"
    & skf21("4","1","2","5","6","5","2","1") = "5"
    & skf21("4","1","2","5","6","5","3","1") = "5"
    & skf21("4","1","2","5","6","5","4","1") = "5"
    & skf21("4","1","2","5","6","5","5","1") = "5"
    & skf21("4","1","2","5","6","5","6","1") = "5"
    & skf21("4","1","2","5","6","5","7","1") = "6"
    & skf21("4","1","2","5","6","6","1","1") = "5"
    & skf21("4","1","2","5","6","6","2","1") = "5"
    & skf21("4","1","2","5","6","6","3","1") = "5"
    & skf21("4","1","2","5","6","6","4","1") = "5"
    & skf21("4","1","2","5","6","6","5","1") = "5"
    & skf21("4","1","2","5","6","6","6","1") = "5"
    & skf21("4","1","2","5","6","6","7","1") = "6"
    & skf21("4","1","2","5","6","7","1","1") = "6"
    & skf21("4","1","2","5","6","7","2","1") = "6"
    & skf21("4","1","2","5","6","7","3","1") = "6"
    & skf21("4","1","2","5","6","7","4","1") = "6"
    & skf21("4","1","2","5","6","7","5","1") = "6"
    & skf21("4","1","2","5","6","7","6","1") = "6"
    & skf21("4","1","2","5","6","7","7","1") = "6"
    & skf21("4","1","2","5","7","1","1","1") = "6"
    & skf21("4","1","2","5","7","1","2","1") = "6"
    & skf21("4","1","2","5","7","1","3","1") = "6"
    & skf21("4","1","2","5","7","1","4","1") = "6"
    & skf21("4","1","2","5","7","1","5","1") = "6"
    & skf21("4","1","2","5","7","1","6","1") = "6"
    & skf21("4","1","2","5","7","1","7","1") = "6"
    & skf21("4","1","2","5","7","2","1","1") = "6"
    & skf21("4","1","2","5","7","2","2","1") = "6"
    & skf21("4","1","2","5","7","2","3","1") = "6"
    & skf21("4","1","2","5","7","2","4","1") = "6"
    & skf21("4","1","2","5","7","2","5","1") = "6"
    & skf21("4","1","2","5","7","2","6","1") = "6"
    & skf21("4","1","2","5","7","2","7","1") = "6"
    & skf21("4","1","2","5","7","3","1","1") = "6"
    & skf21("4","1","2","5","7","3","2","1") = "6"
    & skf21("4","1","2","5","7","3","3","1") = "6"
    & skf21("4","1","2","5","7","3","4","1") = "6"
    & skf21("4","1","2","5","7","3","5","1") = "6"
    & skf21("4","1","2","5","7","3","6","1") = "6"
    & skf21("4","1","2","5","7","3","7","1") = "6"
    & skf21("4","1","2","5","7","4","1","1") = "6"
    & skf21("4","1","2","5","7","4","2","1") = "6"
    & skf21("4","1","2","5","7","4","3","1") = "6"
    & skf21("4","1","2","5","7","4","4","1") = "6"
    & skf21("4","1","2","5","7","4","5","1") = "6"
    & skf21("4","1","2","5","7","4","6","1") = "6"
    & skf21("4","1","2","5","7","4","7","1") = "6"
    & skf21("4","1","2","5","7","5","1","1") = "6"
    & skf21("4","1","2","5","7","5","2","1") = "6"
    & skf21("4","1","2","5","7","5","3","1") = "6"
    & skf21("4","1","2","5","7","5","4","1") = "6"
    & skf21("4","1","2","5","7","5","5","1") = "6"
    & skf21("4","1","2","5","7","5","6","1") = "6"
    & skf21("4","1","2","5","7","5","7","1") = "6"
    & skf21("4","1","2","5","7","6","1","1") = "6"
    & skf21("4","1","2","5","7","6","2","1") = "6"
    & skf21("4","1","2","5","7","6","3","1") = "6"
    & skf21("4","1","2","5","7","6","4","1") = "6"
    & skf21("4","1","2","5","7","6","5","1") = "6"
    & skf21("4","1","2","5","7","6","6","1") = "6"
    & skf21("4","1","2","5","7","6","7","1") = "6"
    & skf21("4","1","2","5","7","7","1","1") = "6"
    & skf21("4","1","2","5","7","7","2","1") = "6"
    & skf21("4","1","2","5","7","7","3","1") = "6"
    & skf21("4","1","2","5","7","7","4","1") = "6"
    & skf21("4","1","2","5","7","7","5","1") = "6"
    & skf21("4","1","2","5","7","7","6","1") = "6"
    & skf21("4","1","2","5","7","7","7","1") = "6"
    & skf21("4","1","2","6","1","1","1","1") = "5"
    & skf21("4","1","2","6","1","1","2","1") = "5"
    & skf21("4","1","2","6","1","1","3","1") = "5"
    & skf21("4","1","2","6","1","1","4","1") = "5"
    & skf21("4","1","2","6","1","1","5","1") = "5"
    & skf21("4","1","2","6","1","1","6","1") = "5"
    & skf21("4","1","2","6","1","1","7","1") = "6"
    & skf21("4","1","2","6","1","2","1","1") = "5"
    & skf21("4","1","2","6","1","2","2","1") = "5"
    & skf21("4","1","2","6","1","2","3","1") = "5"
    & skf21("4","1","2","6","1","2","4","1") = "5"
    & skf21("4","1","2","6","1","2","5","1") = "5"
    & skf21("4","1","2","6","1","2","6","1") = "5"
    & skf21("4","1","2","6","1","2","7","1") = "6"
    & skf21("4","1","2","6","1","3","1","1") = "5"
    & skf21("4","1","2","6","1","3","2","1") = "5"
    & skf21("4","1","2","6","1","3","3","1") = "5"
    & skf21("4","1","2","6","1","3","4","1") = "5"
    & skf21("4","1","2","6","1","3","5","1") = "5"
    & skf21("4","1","2","6","1","3","6","1") = "5"
    & skf21("4","1","2","6","1","3","7","1") = "6"
    & skf21("4","1","2","6","1","4","1","1") = "5"
    & skf21("4","1","2","6","1","4","2","1") = "5"
    & skf21("4","1","2","6","1","4","3","1") = "5"
    & skf21("4","1","2","6","1","4","4","1") = "5"
    & skf21("4","1","2","6","1","4","5","1") = "5"
    & skf21("4","1","2","6","1","4","6","1") = "5"
    & skf21("4","1","2","6","1","4","7","1") = "6"
    & skf21("4","1","2","6","1","5","1","1") = "5"
    & skf21("4","1","2","6","1","5","2","1") = "5"
    & skf21("4","1","2","6","1","5","3","1") = "5"
    & skf21("4","1","2","6","1","5","4","1") = "5"
    & skf21("4","1","2","6","1","5","5","1") = "5"
    & skf21("4","1","2","6","1","5","6","1") = "5"
    & skf21("4","1","2","6","1","5","7","1") = "6"
    & skf21("4","1","2","6","1","6","1","1") = "5"
    & skf21("4","1","2","6","1","6","2","1") = "5"
    & skf21("4","1","2","6","1","6","3","1") = "5"
    & skf21("4","1","2","6","1","6","4","1") = "5"
    & skf21("4","1","2","6","1","6","5","1") = "5"
    & skf21("4","1","2","6","1","6","6","1") = "5"
    & skf21("4","1","2","6","1","6","7","1") = "6"
    & skf21("4","1","2","6","1","7","1","1") = "6"
    & skf21("4","1","2","6","1","7","2","1") = "6"
    & skf21("4","1","2","6","1","7","3","1") = "6"
    & skf21("4","1","2","6","1","7","4","1") = "6"
    & skf21("4","1","2","6","1","7","5","1") = "6"
    & skf21("4","1","2","6","1","7","6","1") = "6"
    & skf21("4","1","2","6","1","7","7","1") = "6"
    & skf21("4","1","2","6","2","1","1","1") = "5"
    & skf21("4","1","2","6","2","1","2","1") = "5"
    & skf21("4","1","2","6","2","1","3","1") = "5"
    & skf21("4","1","2","6","2","1","4","1") = "5"
    & skf21("4","1","2","6","2","1","5","1") = "5"
    & skf21("4","1","2","6","2","1","6","1") = "5"
    & skf21("4","1","2","6","2","1","7","1") = "6"
    & skf21("4","1","2","6","2","2","1","1") = "5"
    & skf21("4","1","2","6","2","2","2","1") = "5"
    & skf21("4","1","2","6","2","2","3","1") = "5"
    & skf21("4","1","2","6","2","2","4","1") = "5"
    & skf21("4","1","2","6","2","2","5","1") = "5"
    & skf21("4","1","2","6","2","2","6","1") = "5"
    & skf21("4","1","2","6","2","2","7","1") = "6"
    & skf21("4","1","2","6","2","3","1","1") = "5"
    & skf21("4","1","2","6","2","3","2","1") = "5"
    & skf21("4","1","2","6","2","3","3","1") = "5"
    & skf21("4","1","2","6","2","3","4","1") = "5"
    & skf21("4","1","2","6","2","3","5","1") = "5"
    & skf21("4","1","2","6","2","3","6","1") = "5"
    & skf21("4","1","2","6","2","3","7","1") = "6"
    & skf21("4","1","2","6","2","4","1","1") = "5"
    & skf21("4","1","2","6","2","4","2","1") = "5"
    & skf21("4","1","2","6","2","4","3","1") = "5"
    & skf21("4","1","2","6","2","4","4","1") = "5"
    & skf21("4","1","2","6","2","4","5","1") = "5"
    & skf21("4","1","2","6","2","4","6","1") = "5"
    & skf21("4","1","2","6","2","4","7","1") = "6"
    & skf21("4","1","2","6","2","5","1","1") = "5"
    & skf21("4","1","2","6","2","5","2","1") = "5"
    & skf21("4","1","2","6","2","5","3","1") = "5"
    & skf21("4","1","2","6","2","5","4","1") = "5"
    & skf21("4","1","2","6","2","5","5","1") = "5"
    & skf21("4","1","2","6","2","5","6","1") = "5"
    & skf21("4","1","2","6","2","5","7","1") = "6"
    & skf21("4","1","2","6","2","6","1","1") = "5"
    & skf21("4","1","2","6","2","6","2","1") = "5"
    & skf21("4","1","2","6","2","6","3","1") = "5"
    & skf21("4","1","2","6","2","6","4","1") = "5"
    & skf21("4","1","2","6","2","6","5","1") = "5"
    & skf21("4","1","2","6","2","6","6","1") = "5"
    & skf21("4","1","2","6","2","6","7","1") = "6"
    & skf21("4","1","2","6","2","7","1","1") = "6"
    & skf21("4","1","2","6","2","7","2","1") = "6"
    & skf21("4","1","2","6","2","7","3","1") = "6"
    & skf21("4","1","2","6","2","7","4","1") = "6"
    & skf21("4","1","2","6","2","7","5","1") = "6"
    & skf21("4","1","2","6","2","7","6","1") = "6"
    & skf21("4","1","2","6","2","7","7","1") = "6"
    & skf21("4","1","2","6","3","1","1","1") = "5"
    & skf21("4","1","2","6","3","1","2","1") = "5"
    & skf21("4","1","2","6","3","1","3","1") = "5"
    & skf21("4","1","2","6","3","1","4","1") = "5"
    & skf21("4","1","2","6","3","1","5","1") = "5"
    & skf21("4","1","2","6","3","1","6","1") = "5"
    & skf21("4","1","2","6","3","1","7","1") = "6"
    & skf21("4","1","2","6","3","2","1","1") = "5"
    & skf21("4","1","2","6","3","2","2","1") = "5"
    & skf21("4","1","2","6","3","2","3","1") = "5"
    & skf21("4","1","2","6","3","2","4","1") = "5"
    & skf21("4","1","2","6","3","2","5","1") = "5"
    & skf21("4","1","2","6","3","2","6","1") = "5"
    & skf21("4","1","2","6","3","2","7","1") = "6"
    & skf21("4","1","2","6","3","3","1","1") = "5"
    & skf21("4","1","2","6","3","3","2","1") = "5"
    & skf21("4","1","2","6","3","3","3","1") = "5"
    & skf21("4","1","2","6","3","3","4","1") = "5"
    & skf21("4","1","2","6","3","3","5","1") = "5"
    & skf21("4","1","2","6","3","3","6","1") = "5"
    & skf21("4","1","2","6","3","3","7","1") = "6"
    & skf21("4","1","2","6","3","4","1","1") = "5"
    & skf21("4","1","2","6","3","4","2","1") = "5"
    & skf21("4","1","2","6","3","4","3","1") = "5"
    & skf21("4","1","2","6","3","4","4","1") = "5"
    & skf21("4","1","2","6","3","4","5","1") = "5"
    & skf21("4","1","2","6","3","4","6","1") = "5"
    & skf21("4","1","2","6","3","4","7","1") = "6"
    & skf21("4","1","2","6","3","5","1","1") = "5"
    & skf21("4","1","2","6","3","5","2","1") = "5"
    & skf21("4","1","2","6","3","5","3","1") = "5"
    & skf21("4","1","2","6","3","5","4","1") = "5"
    & skf21("4","1","2","6","3","5","5","1") = "5"
    & skf21("4","1","2","6","3","5","6","1") = "5"
    & skf21("4","1","2","6","3","5","7","1") = "6"
    & skf21("4","1","2","6","3","6","1","1") = "5"
    & skf21("4","1","2","6","3","6","2","1") = "5"
    & skf21("4","1","2","6","3","6","3","1") = "5"
    & skf21("4","1","2","6","3","6","4","1") = "5"
    & skf21("4","1","2","6","3","6","5","1") = "5"
    & skf21("4","1","2","6","3","6","6","1") = "5"
    & skf21("4","1","2","6","3","6","7","1") = "6"
    & skf21("4","1","2","6","3","7","1","1") = "6"
    & skf21("4","1","2","6","3","7","2","1") = "6"
    & skf21("4","1","2","6","3","7","3","1") = "6"
    & skf21("4","1","2","6","3","7","4","1") = "6"
    & skf21("4","1","2","6","3","7","5","1") = "6"
    & skf21("4","1","2","6","3","7","6","1") = "6"
    & skf21("4","1","2","6","3","7","7","1") = "6"
    & skf21("4","1","2","6","4","1","1","1") = "5"
    & skf21("4","1","2","6","4","1","2","1") = "5"
    & skf21("4","1","2","6","4","1","3","1") = "5"
    & skf21("4","1","2","6","4","1","4","1") = "5"
    & skf21("4","1","2","6","4","1","5","1") = "5"
    & skf21("4","1","2","6","4","1","6","1") = "5"
    & skf21("4","1","2","6","4","1","7","1") = "6"
    & skf21("4","1","2","6","4","2","1","1") = "5"
    & skf21("4","1","2","6","4","2","2","1") = "5"
    & skf21("4","1","2","6","4","2","3","1") = "5"
    & skf21("4","1","2","6","4","2","4","1") = "5"
    & skf21("4","1","2","6","4","2","5","1") = "5"
    & skf21("4","1","2","6","4","2","6","1") = "5"
    & skf21("4","1","2","6","4","2","7","1") = "6"
    & skf21("4","1","2","6","4","3","1","1") = "5"
    & skf21("4","1","2","6","4","3","2","1") = "5"
    & skf21("4","1","2","6","4","3","3","1") = "5"
    & skf21("4","1","2","6","4","3","4","1") = "5"
    & skf21("4","1","2","6","4","3","5","1") = "5"
    & skf21("4","1","2","6","4","3","6","1") = "5"
    & skf21("4","1","2","6","4","3","7","1") = "6"
    & skf21("4","1","2","6","4","4","1","1") = "5"
    & skf21("4","1","2","6","4","4","2","1") = "5"
    & skf21("4","1","2","6","4","4","3","1") = "5"
    & skf21("4","1","2","6","4","4","4","1") = "5"
    & skf21("4","1","2","6","4","4","5","1") = "5"
    & skf21("4","1","2","6","4","4","6","1") = "5"
    & skf21("4","1","2","6","4","4","7","1") = "6"
    & skf21("4","1","2","6","4","5","1","1") = "5"
    & skf21("4","1","2","6","4","5","2","1") = "5"
    & skf21("4","1","2","6","4","5","3","1") = "5"
    & skf21("4","1","2","6","4","5","4","1") = "5"
    & skf21("4","1","2","6","4","5","5","1") = "5"
    & skf21("4","1","2","6","4","5","6","1") = "5"
    & skf21("4","1","2","6","4","5","7","1") = "6"
    & skf21("4","1","2","6","4","6","1","1") = "5"
    & skf21("4","1","2","6","4","6","2","1") = "5"
    & skf21("4","1","2","6","4","6","3","1") = "5"
    & skf21("4","1","2","6","4","6","4","1") = "5"
    & skf21("4","1","2","6","4","6","5","1") = "5"
    & skf21("4","1","2","6","4","6","6","1") = "5"
    & skf21("4","1","2","6","4","6","7","1") = "6"
    & skf21("4","1","2","6","4","7","1","1") = "6"
    & skf21("4","1","2","6","4","7","2","1") = "6"
    & skf21("4","1","2","6","4","7","3","1") = "6"
    & skf21("4","1","2","6","4","7","4","1") = "6"
    & skf21("4","1","2","6","4","7","5","1") = "6"
    & skf21("4","1","2","6","4","7","6","1") = "6"
    & skf21("4","1","2","6","4","7","7","1") = "6"
    & skf21("4","1","2","6","5","1","1","1") = "5"
    & skf21("4","1","2","6","5","1","2","1") = "5"
    & skf21("4","1","2","6","5","1","3","1") = "5"
    & skf21("4","1","2","6","5","1","4","1") = "5"
    & skf21("4","1","2","6","5","1","5","1") = "5"
    & skf21("4","1","2","6","5","1","6","1") = "5"
    & skf21("4","1","2","6","5","1","7","1") = "6"
    & skf21("4","1","2","6","5","2","1","1") = "5"
    & skf21("4","1","2","6","5","2","2","1") = "5"
    & skf21("4","1","2","6","5","2","3","1") = "5"
    & skf21("4","1","2","6","5","2","4","1") = "5"
    & skf21("4","1","2","6","5","2","5","1") = "5"
    & skf21("4","1","2","6","5","2","6","1") = "5"
    & skf21("4","1","2","6","5","2","7","1") = "6"
    & skf21("4","1","2","6","5","3","1","1") = "5"
    & skf21("4","1","2","6","5","3","2","1") = "5"
    & skf21("4","1","2","6","5","3","3","1") = "5"
    & skf21("4","1","2","6","5","3","4","1") = "5"
    & skf21("4","1","2","6","5","3","5","1") = "5"
    & skf21("4","1","2","6","5","3","6","1") = "5"
    & skf21("4","1","2","6","5","3","7","1") = "6"
    & skf21("4","1","2","6","5","4","1","1") = "5"
    & skf21("4","1","2","6","5","4","2","1") = "5"
    & skf21("4","1","2","6","5","4","3","1") = "5"
    & skf21("4","1","2","6","5","4","4","1") = "5"
    & skf21("4","1","2","6","5","4","5","1") = "5"
    & skf21("4","1","2","6","5","4","6","1") = "5"
    & skf21("4","1","2","6","5","4","7","1") = "6"
    & skf21("4","1","2","6","5","5","1","1") = "5"
    & skf21("4","1","2","6","5","5","2","1") = "5"
    & skf21("4","1","2","6","5","5","3","1") = "5"
    & skf21("4","1","2","6","5","5","4","1") = "5"
    & skf21("4","1","2","6","5","5","5","1") = "5"
    & skf21("4","1","2","6","5","5","6","1") = "5"
    & skf21("4","1","2","6","5","5","7","1") = "6"
    & skf21("4","1","2","6","5","6","1","1") = "5"
    & skf21("4","1","2","6","5","6","2","1") = "5"
    & skf21("4","1","2","6","5","6","3","1") = "5"
    & skf21("4","1","2","6","5","6","4","1") = "5"
    & skf21("4","1","2","6","5","6","5","1") = "5"
    & skf21("4","1","2","6","5","6","6","1") = "5"
    & skf21("4","1","2","6","5","6","7","1") = "6"
    & skf21("4","1","2","6","5","7","1","1") = "6"
    & skf21("4","1","2","6","5","7","2","1") = "6"
    & skf21("4","1","2","6","5","7","3","1") = "6"
    & skf21("4","1","2","6","5","7","4","1") = "6"
    & skf21("4","1","2","6","5","7","5","1") = "6"
    & skf21("4","1","2","6","5","7","6","1") = "6"
    & skf21("4","1","2","6","5","7","7","1") = "6"
    & skf21("4","1","2","6","6","1","1","1") = "5"
    & skf21("4","1","2","6","6","1","2","1") = "5"
    & skf21("4","1","2","6","6","1","3","1") = "5"
    & skf21("4","1","2","6","6","1","4","1") = "5"
    & skf21("4","1","2","6","6","1","5","1") = "5"
    & skf21("4","1","2","6","6","1","6","1") = "5"
    & skf21("4","1","2","6","6","1","7","1") = "6"
    & skf21("4","1","2","6","6","2","1","1") = "5"
    & skf21("4","1","2","6","6","2","2","1") = "5"
    & skf21("4","1","2","6","6","2","3","1") = "5"
    & skf21("4","1","2","6","6","2","4","1") = "5"
    & skf21("4","1","2","6","6","2","5","1") = "5"
    & skf21("4","1","2","6","6","2","6","1") = "5"
    & skf21("4","1","2","6","6","2","7","1") = "6"
    & skf21("4","1","2","6","6","3","1","1") = "5"
    & skf21("4","1","2","6","6","3","2","1") = "5"
    & skf21("4","1","2","6","6","3","3","1") = "5"
    & skf21("4","1","2","6","6","3","4","1") = "5"
    & skf21("4","1","2","6","6","3","5","1") = "5"
    & skf21("4","1","2","6","6","3","6","1") = "5"
    & skf21("4","1","2","6","6","3","7","1") = "6"
    & skf21("4","1","2","6","6","4","1","1") = "5"
    & skf21("4","1","2","6","6","4","2","1") = "5"
    & skf21("4","1","2","6","6","4","3","1") = "5"
    & skf21("4","1","2","6","6","4","4","1") = "5"
    & skf21("4","1","2","6","6","4","5","1") = "5"
    & skf21("4","1","2","6","6","4","6","1") = "5"
    & skf21("4","1","2","6","6","4","7","1") = "6"
    & skf21("4","1","2","6","6","5","1","1") = "5"
    & skf21("4","1","2","6","6","5","2","1") = "5"
    & skf21("4","1","2","6","6","5","3","1") = "5"
    & skf21("4","1","2","6","6","5","4","1") = "5"
    & skf21("4","1","2","6","6","5","5","1") = "5"
    & skf21("4","1","2","6","6","5","6","1") = "5"
    & skf21("4","1","2","6","6","5","7","1") = "6"
    & skf21("4","1","2","6","6","6","1","1") = "5"
    & skf21("4","1","2","6","6","6","2","1") = "5"
    & skf21("4","1","2","6","6","6","3","1") = "5"
    & skf21("4","1","2","6","6","6","4","1") = "5"
    & skf21("4","1","2","6","6","6","5","1") = "5"
    & skf21("4","1","2","6","6","6","6","1") = "5"
    & skf21("4","1","2","6","6","6","7","1") = "6"
    & skf21("4","1","2","6","6","7","1","1") = "6"
    & skf21("4","1","2","6","6","7","2","1") = "6"
    & skf21("4","1","2","6","6","7","3","1") = "6"
    & skf21("4","1","2","6","6","7","4","1") = "6"
    & skf21("4","1","2","6","6","7","5","1") = "6"
    & skf21("4","1","2","6","6","7","6","1") = "6"
    & skf21("4","1","2","6","6","7","7","1") = "6"
    & skf21("4","1","2","6","7","1","1","1") = "6"
    & skf21("4","1","2","6","7","1","2","1") = "6"
    & skf21("4","1","2","6","7","1","3","1") = "6"
    & skf21("4","1","2","6","7","1","4","1") = "6"
    & skf21("4","1","2","6","7","1","5","1") = "6"
    & skf21("4","1","2","6","7","1","6","1") = "6"
    & skf21("4","1","2","6","7","1","7","1") = "6"
    & skf21("4","1","2","6","7","2","1","1") = "6"
    & skf21("4","1","2","6","7","2","2","1") = "6"
    & skf21("4","1","2","6","7","2","3","1") = "6"
    & skf21("4","1","2","6","7","2","4","1") = "6"
    & skf21("4","1","2","6","7","2","5","1") = "6"
    & skf21("4","1","2","6","7","2","6","1") = "6"
    & skf21("4","1","2","6","7","2","7","1") = "6"
    & skf21("4","1","2","6","7","3","1","1") = "6"
    & skf21("4","1","2","6","7","3","2","1") = "6"
    & skf21("4","1","2","6","7","3","3","1") = "6"
    & skf21("4","1","2","6","7","3","4","1") = "6"
    & skf21("4","1","2","6","7","3","5","1") = "6"
    & skf21("4","1","2","6","7","3","6","1") = "6"
    & skf21("4","1","2","6","7","3","7","1") = "6"
    & skf21("4","1","2","6","7","4","1","1") = "6"
    & skf21("4","1","2","6","7","4","2","1") = "6"
    & skf21("4","1","2","6","7","4","3","1") = "6"
    & skf21("4","1","2","6","7","4","4","1") = "6"
    & skf21("4","1","2","6","7","4","5","1") = "6"
    & skf21("4","1","2","6","7","4","6","1") = "6"
    & skf21("4","1","2","6","7","4","7","1") = "6"
    & skf21("4","1","2","6","7","5","1","1") = "6"
    & skf21("4","1","2","6","7","5","2","1") = "6"
    & skf21("4","1","2","6","7","5","3","1") = "6"
    & skf21("4","1","2","6","7","5","4","1") = "6"
    & skf21("4","1","2","6","7","5","5","1") = "6"
    & skf21("4","1","2","6","7","5","6","1") = "6"
    & skf21("4","1","2","6","7","5","7","1") = "6"
    & skf21("4","1","2","6","7","6","1","1") = "6"
    & skf21("4","1","2","6","7","6","2","1") = "6"
    & skf21("4","1","2","6","7","6","3","1") = "6"
    & skf21("4","1","2","6","7","6","4","1") = "6"
    & skf21("4","1","2","6","7","6","5","1") = "6"
    & skf21("4","1","2","6","7","6","6","1") = "6"
    & skf21("4","1","2","6","7","6","7","1") = "6"
    & skf21("4","1","2","6","7","7","1","1") = "6"
    & skf21("4","1","2","6","7","7","2","1") = "6"
    & skf21("4","1","2","6","7","7","3","1") = "6"
    & skf21("4","1","2","6","7","7","4","1") = "6"
    & skf21("4","1","2","6","7","7","5","1") = "6"
    & skf21("4","1","2","6","7","7","6","1") = "6"
    & skf21("4","1","2","6","7","7","7","1") = "6"
    & skf21("4","1","2","7","1","1","1","1") = "6"
    & skf21("4","1","2","7","1","1","2","1") = "6"
    & skf21("4","1","2","7","1","1","3","1") = "6"
    & skf21("4","1","2","7","1","1","4","1") = "6"
    & skf21("4","1","2","7","1","1","5","1") = "6"
    & skf21("4","1","2","7","1","1","6","1") = "6"
    & skf21("4","1","2","7","1","1","7","1") = "6"
    & skf21("4","1","2","7","1","2","1","1") = "6"
    & skf21("4","1","2","7","1","2","2","1") = "6"
    & skf21("4","1","2","7","1","2","3","1") = "6"
    & skf21("4","1","2","7","1","2","4","1") = "6"
    & skf21("4","1","2","7","1","2","5","1") = "6"
    & skf21("4","1","2","7","1","2","6","1") = "6"
    & skf21("4","1","2","7","1","2","7","1") = "6"
    & skf21("4","1","2","7","1","3","1","1") = "6"
    & skf21("4","1","2","7","1","3","2","1") = "6"
    & skf21("4","1","2","7","1","3","3","1") = "6"
    & skf21("4","1","2","7","1","3","4","1") = "6"
    & skf21("4","1","2","7","1","3","5","1") = "6"
    & skf21("4","1","2","7","1","3","6","1") = "6"
    & skf21("4","1","2","7","1","3","7","1") = "6"
    & skf21("4","1","2","7","1","4","1","1") = "6"
    & skf21("4","1","2","7","1","4","2","1") = "6"
    & skf21("4","1","2","7","1","4","3","1") = "6"
    & skf21("4","1","2","7","1","4","4","1") = "6"
    & skf21("4","1","2","7","1","4","5","1") = "6"
    & skf21("4","1","2","7","1","4","6","1") = "6"
    & skf21("4","1","2","7","1","4","7","1") = "6"
    & skf21("4","1","2","7","1","5","1","1") = "6"
    & skf21("4","1","2","7","1","5","2","1") = "6"
    & skf21("4","1","2","7","1","5","3","1") = "6"
    & skf21("4","1","2","7","1","5","4","1") = "6"
    & skf21("4","1","2","7","1","5","5","1") = "6"
    & skf21("4","1","2","7","1","5","6","1") = "6"
    & skf21("4","1","2","7","1","5","7","1") = "6"
    & skf21("4","1","2","7","1","6","1","1") = "6"
    & skf21("4","1","2","7","1","6","2","1") = "6"
    & skf21("4","1","2","7","1","6","3","1") = "6"
    & skf21("4","1","2","7","1","6","4","1") = "6"
    & skf21("4","1","2","7","1","6","5","1") = "6"
    & skf21("4","1","2","7","1","6","6","1") = "6"
    & skf21("4","1","2","7","1","6","7","1") = "6"
    & skf21("4","1","2","7","1","7","1","1") = "6"
    & skf21("4","1","2","7","1","7","2","1") = "6"
    & skf21("4","1","2","7","1","7","3","1") = "6"
    & skf21("4","1","2","7","1","7","4","1") = "6"
    & skf21("4","1","2","7","1","7","5","1") = "6"
    & skf21("4","1","2","7","1","7","6","1") = "6"
    & skf21("4","1","2","7","1","7","7","1") = "6"
    & skf21("4","1","2","7","2","1","1","1") = "6"
    & skf21("4","1","2","7","2","1","2","1") = "6"
    & skf21("4","1","2","7","2","1","3","1") = "6"
    & skf21("4","1","2","7","2","1","4","1") = "6"
    & skf21("4","1","2","7","2","1","5","1") = "6"
    & skf21("4","1","2","7","2","1","6","1") = "6"
    & skf21("4","1","2","7","2","1","7","1") = "6"
    & skf21("4","1","2","7","2","2","1","1") = "6"
    & skf21("4","1","2","7","2","2","2","1") = "6"
    & skf21("4","1","2","7","2","2","3","1") = "6"
    & skf21("4","1","2","7","2","2","4","1") = "6"
    & skf21("4","1","2","7","2","2","5","1") = "6"
    & skf21("4","1","2","7","2","2","6","1") = "6"
    & skf21("4","1","2","7","2","2","7","1") = "6"
    & skf21("4","1","2","7","2","3","1","1") = "6"
    & skf21("4","1","2","7","2","3","2","1") = "6"
    & skf21("4","1","2","7","2","3","3","1") = "6"
    & skf21("4","1","2","7","2","3","4","1") = "6"
    & skf21("4","1","2","7","2","3","5","1") = "6"
    & skf21("4","1","2","7","2","3","6","1") = "6"
    & skf21("4","1","2","7","2","3","7","1") = "6"
    & skf21("4","1","2","7","2","4","1","1") = "6"
    & skf21("4","1","2","7","2","4","2","1") = "6"
    & skf21("4","1","2","7","2","4","3","1") = "6"
    & skf21("4","1","2","7","2","4","4","1") = "6"
    & skf21("4","1","2","7","2","4","5","1") = "6"
    & skf21("4","1","2","7","2","4","6","1") = "6"
    & skf21("4","1","2","7","2","4","7","1") = "6"
    & skf21("4","1","2","7","2","5","1","1") = "6"
    & skf21("4","1","2","7","2","5","2","1") = "6"
    & skf21("4","1","2","7","2","5","3","1") = "6"
    & skf21("4","1","2","7","2","5","4","1") = "6"
    & skf21("4","1","2","7","2","5","5","1") = "6"
    & skf21("4","1","2","7","2","5","6","1") = "6"
    & skf21("4","1","2","7","2","5","7","1") = "6"
    & skf21("4","1","2","7","2","6","1","1") = "6"
    & skf21("4","1","2","7","2","6","2","1") = "6"
    & skf21("4","1","2","7","2","6","3","1") = "6"
    & skf21("4","1","2","7","2","6","4","1") = "6"
    & skf21("4","1","2","7","2","6","5","1") = "6"
    & skf21("4","1","2","7","2","6","6","1") = "6"
    & skf21("4","1","2","7","2","6","7","1") = "6"
    & skf21("4","1","2","7","2","7","1","1") = "6"
    & skf21("4","1","2","7","2","7","2","1") = "6"
    & skf21("4","1","2","7","2","7","3","1") = "6"
    & skf21("4","1","2","7","2","7","4","1") = "6"
    & skf21("4","1","2","7","2","7","5","1") = "6"
    & skf21("4","1","2","7","2","7","6","1") = "6"
    & skf21("4","1","2","7","2","7","7","1") = "6"
    & skf21("4","1","2","7","3","1","1","1") = "6"
    & skf21("4","1","2","7","3","1","2","1") = "6"
    & skf21("4","1","2","7","3","1","3","1") = "6"
    & skf21("4","1","2","7","3","1","4","1") = "6"
    & skf21("4","1","2","7","3","1","5","1") = "6"
    & skf21("4","1","2","7","3","1","6","1") = "6"
    & skf21("4","1","2","7","3","1","7","1") = "6"
    & skf21("4","1","2","7","3","2","1","1") = "6"
    & skf21("4","1","2","7","3","2","2","1") = "6"
    & skf21("4","1","2","7","3","2","3","1") = "6"
    & skf21("4","1","2","7","3","2","4","1") = "6"
    & skf21("4","1","2","7","3","2","5","1") = "6"
    & skf21("4","1","2","7","3","2","6","1") = "6"
    & skf21("4","1","2","7","3","2","7","1") = "6"
    & skf21("4","1","2","7","3","3","1","1") = "6"
    & skf21("4","1","2","7","3","3","2","1") = "6"
    & skf21("4","1","2","7","3","3","3","1") = "6"
    & skf21("4","1","2","7","3","3","4","1") = "6"
    & skf21("4","1","2","7","3","3","5","1") = "6"
    & skf21("4","1","2","7","3","3","6","1") = "6"
    & skf21("4","1","2","7","3","3","7","1") = "6"
    & skf21("4","1","2","7","3","4","1","1") = "6"
    & skf21("4","1","2","7","3","4","2","1") = "6"
    & skf21("4","1","2","7","3","4","3","1") = "6"
    & skf21("4","1","2","7","3","4","4","1") = "6"
    & skf21("4","1","2","7","3","4","5","1") = "6"
    & skf21("4","1","2","7","3","4","6","1") = "6"
    & skf21("4","1","2","7","3","4","7","1") = "6"
    & skf21("4","1","2","7","3","5","1","1") = "6"
    & skf21("4","1","2","7","3","5","2","1") = "6"
    & skf21("4","1","2","7","3","5","3","1") = "6"
    & skf21("4","1","2","7","3","5","4","1") = "6"
    & skf21("4","1","2","7","3","5","5","1") = "6"
    & skf21("4","1","2","7","3","5","6","1") = "6"
    & skf21("4","1","2","7","3","5","7","1") = "6"
    & skf21("4","1","2","7","3","6","1","1") = "6"
    & skf21("4","1","2","7","3","6","2","1") = "6"
    & skf21("4","1","2","7","3","6","3","1") = "6"
    & skf21("4","1","2","7","3","6","4","1") = "6"
    & skf21("4","1","2","7","3","6","5","1") = "6"
    & skf21("4","1","2","7","3","6","6","1") = "6"
    & skf21("4","1","2","7","3","6","7","1") = "6"
    & skf21("4","1","2","7","3","7","1","1") = "6"
    & skf21("4","1","2","7","3","7","2","1") = "6"
    & skf21("4","1","2","7","3","7","3","1") = "6"
    & skf21("4","1","2","7","3","7","4","1") = "6"
    & skf21("4","1","2","7","3","7","5","1") = "6"
    & skf21("4","1","2","7","3","7","6","1") = "6"
    & skf21("4","1","2","7","3","7","7","1") = "6"
    & skf21("4","1","2","7","4","1","1","1") = "6"
    & skf21("4","1","2","7","4","1","2","1") = "6"
    & skf21("4","1","2","7","4","1","3","1") = "6"
    & skf21("4","1","2","7","4","1","4","1") = "6"
    & skf21("4","1","2","7","4","1","5","1") = "6"
    & skf21("4","1","2","7","4","1","6","1") = "6"
    & skf21("4","1","2","7","4","1","7","1") = "6"
    & skf21("4","1","2","7","4","2","1","1") = "6"
    & skf21("4","1","2","7","4","2","2","1") = "6"
    & skf21("4","1","2","7","4","2","3","1") = "6"
    & skf21("4","1","2","7","4","2","4","1") = "6"
    & skf21("4","1","2","7","4","2","5","1") = "6"
    & skf21("4","1","2","7","4","2","6","1") = "6"
    & skf21("4","1","2","7","4","2","7","1") = "6"
    & skf21("4","1","2","7","4","3","1","1") = "6"
    & skf21("4","1","2","7","4","3","2","1") = "6"
    & skf21("4","1","2","7","4","3","3","1") = "6"
    & skf21("4","1","2","7","4","3","4","1") = "6"
    & skf21("4","1","2","7","4","3","5","1") = "6"
    & skf21("4","1","2","7","4","3","6","1") = "6"
    & skf21("4","1","2","7","4","3","7","1") = "6"
    & skf21("4","1","2","7","4","4","1","1") = "6"
    & skf21("4","1","2","7","4","4","2","1") = "6"
    & skf21("4","1","2","7","4","4","3","1") = "6"
    & skf21("4","1","2","7","4","4","4","1") = "6"
    & skf21("4","1","2","7","4","4","5","1") = "6"
    & skf21("4","1","2","7","4","4","6","1") = "6"
    & skf21("4","1","2","7","4","4","7","1") = "6"
    & skf21("4","1","2","7","4","5","1","1") = "6"
    & skf21("4","1","2","7","4","5","2","1") = "6"
    & skf21("4","1","2","7","4","5","3","1") = "6"
    & skf21("4","1","2","7","4","5","4","1") = "6"
    & skf21("4","1","2","7","4","5","5","1") = "6"
    & skf21("4","1","2","7","4","5","6","1") = "6"
    & skf21("4","1","2","7","4","5","7","1") = "6"
    & skf21("4","1","2","7","4","6","1","1") = "6"
    & skf21("4","1","2","7","4","6","2","1") = "6"
    & skf21("4","1","2","7","4","6","3","1") = "6"
    & skf21("4","1","2","7","4","6","4","1") = "6"
    & skf21("4","1","2","7","4","6","5","1") = "6"
    & skf21("4","1","2","7","4","6","6","1") = "6"
    & skf21("4","1","2","7","4","6","7","1") = "6"
    & skf21("4","1","2","7","4","7","1","1") = "6"
    & skf21("4","1","2","7","4","7","2","1") = "6"
    & skf21("4","1","2","7","4","7","3","1") = "6"
    & skf21("4","1","2","7","4","7","4","1") = "6"
    & skf21("4","1","2","7","4","7","5","1") = "6"
    & skf21("4","1","2","7","4","7","6","1") = "6"
    & skf21("4","1","2","7","4","7","7","1") = "6"
    & skf21("4","1","2","7","5","1","1","1") = "6"
    & skf21("4","1","2","7","5","1","2","1") = "6"
    & skf21("4","1","2","7","5","1","3","1") = "6"
    & skf21("4","1","2","7","5","1","4","1") = "6"
    & skf21("4","1","2","7","5","1","5","1") = "6"
    & skf21("4","1","2","7","5","1","6","1") = "6"
    & skf21("4","1","2","7","5","1","7","1") = "6"
    & skf21("4","1","2","7","5","2","1","1") = "6"
    & skf21("4","1","2","7","5","2","2","1") = "6"
    & skf21("4","1","2","7","5","2","3","1") = "6"
    & skf21("4","1","2","7","5","2","4","1") = "6"
    & skf21("4","1","2","7","5","2","5","1") = "6"
    & skf21("4","1","2","7","5","2","6","1") = "6"
    & skf21("4","1","2","7","5","2","7","1") = "6"
    & skf21("4","1","2","7","5","3","1","1") = "6"
    & skf21("4","1","2","7","5","3","2","1") = "6"
    & skf21("4","1","2","7","5","3","3","1") = "6"
    & skf21("4","1","2","7","5","3","4","1") = "6"
    & skf21("4","1","2","7","5","3","5","1") = "6"
    & skf21("4","1","2","7","5","3","6","1") = "6"
    & skf21("4","1","2","7","5","3","7","1") = "6"
    & skf21("4","1","2","7","5","4","1","1") = "6"
    & skf21("4","1","2","7","5","4","2","1") = "6"
    & skf21("4","1","2","7","5","4","3","1") = "6"
    & skf21("4","1","2","7","5","4","4","1") = "6"
    & skf21("4","1","2","7","5","4","5","1") = "6"
    & skf21("4","1","2","7","5","4","6","1") = "6"
    & skf21("4","1","2","7","5","4","7","1") = "6"
    & skf21("4","1","2","7","5","5","1","1") = "6"
    & skf21("4","1","2","7","5","5","2","1") = "6"
    & skf21("4","1","2","7","5","5","3","1") = "6"
    & skf21("4","1","2","7","5","5","4","1") = "6"
    & skf21("4","1","2","7","5","5","5","1") = "6"
    & skf21("4","1","2","7","5","5","6","1") = "6"
    & skf21("4","1","2","7","5","5","7","1") = "6"
    & skf21("4","1","2","7","5","6","1","1") = "6"
    & skf21("4","1","2","7","5","6","2","1") = "6"
    & skf21("4","1","2","7","5","6","3","1") = "6"
    & skf21("4","1","2","7","5","6","4","1") = "6"
    & skf21("4","1","2","7","5","6","5","1") = "6"
    & skf21("4","1","2","7","5","6","6","1") = "6"
    & skf21("4","1","2","7","5","6","7","1") = "6"
    & skf21("4","1","2","7","5","7","1","1") = "6"
    & skf21("4","1","2","7","5","7","2","1") = "6"
    & skf21("4","1","2","7","5","7","3","1") = "6"
    & skf21("4","1","2","7","5","7","4","1") = "6"
    & skf21("4","1","2","7","5","7","5","1") = "6"
    & skf21("4","1","2","7","5","7","6","1") = "6"
    & skf21("4","1","2","7","5","7","7","1") = "6"
    & skf21("4","1","2","7","6","1","1","1") = "6"
    & skf21("4","1","2","7","6","1","2","1") = "6"
    & skf21("4","1","2","7","6","1","3","1") = "6"
    & skf21("4","1","2","7","6","1","4","1") = "6"
    & skf21("4","1","2","7","6","1","5","1") = "6"
    & skf21("4","1","2","7","6","1","6","1") = "6"
    & skf21("4","1","2","7","6","1","7","1") = "6"
    & skf21("4","1","2","7","6","2","1","1") = "6"
    & skf21("4","1","2","7","6","2","2","1") = "6"
    & skf21("4","1","2","7","6","2","3","1") = "6"
    & skf21("4","1","2","7","6","2","4","1") = "6"
    & skf21("4","1","2","7","6","2","5","1") = "6"
    & skf21("4","1","2","7","6","2","6","1") = "6"
    & skf21("4","1","2","7","6","2","7","1") = "6"
    & skf21("4","1","2","7","6","3","1","1") = "6"
    & skf21("4","1","2","7","6","3","2","1") = "6"
    & skf21("4","1","2","7","6","3","3","1") = "6"
    & skf21("4","1","2","7","6","3","4","1") = "6"
    & skf21("4","1","2","7","6","3","5","1") = "6"
    & skf21("4","1","2","7","6","3","6","1") = "6"
    & skf21("4","1","2","7","6","3","7","1") = "6"
    & skf21("4","1","2","7","6","4","1","1") = "6"
    & skf21("4","1","2","7","6","4","2","1") = "6"
    & skf21("4","1","2","7","6","4","3","1") = "6"
    & skf21("4","1","2","7","6","4","4","1") = "6"
    & skf21("4","1","2","7","6","4","5","1") = "6"
    & skf21("4","1","2","7","6","4","6","1") = "6"
    & skf21("4","1","2","7","6","4","7","1") = "6"
    & skf21("4","1","2","7","6","5","1","1") = "6"
    & skf21("4","1","2","7","6","5","2","1") = "6"
    & skf21("4","1","2","7","6","5","3","1") = "6"
    & skf21("4","1","2","7","6","5","4","1") = "6"
    & skf21("4","1","2","7","6","5","5","1") = "6"
    & skf21("4","1","2","7","6","5","6","1") = "6"
    & skf21("4","1","2","7","6","5","7","1") = "6"
    & skf21("4","1","2","7","6","6","1","1") = "6"
    & skf21("4","1","2","7","6","6","2","1") = "6"
    & skf21("4","1","2","7","6","6","3","1") = "6"
    & skf21("4","1","2","7","6","6","4","1") = "6"
    & skf21("4","1","2","7","6","6","5","1") = "6"
    & skf21("4","1","2","7","6","6","6","1") = "6"
    & skf21("4","1","2","7","6","6","7","1") = "6"
    & skf21("4","1","2","7","6","7","1","1") = "6"
    & skf21("4","1","2","7","6","7","2","1") = "6"
    & skf21("4","1","2","7","6","7","3","1") = "6"
    & skf21("4","1","2","7","6","7","4","1") = "6"
    & skf21("4","1","2","7","6","7","5","1") = "6"
    & skf21("4","1","2","7","6","7","6","1") = "6"
    & skf21("4","1","2","7","6","7","7","1") = "6"
    & skf21("4","1","2","7","7","1","1","1") = "6"
    & skf21("4","1","2","7","7","1","2","1") = "6"
    & skf21("4","1","2","7","7","1","3","1") = "6"
    & skf21("4","1","2","7","7","1","4","1") = "6"
    & skf21("4","1","2","7","7","1","5","1") = "6"
    & skf21("4","1","2","7","7","1","6","1") = "6"
    & skf21("4","1","2","7","7","1","7","1") = "6"
    & skf21("4","1","2","7","7","2","1","1") = "6"
    & skf21("4","1","2","7","7","2","2","1") = "6"
    & skf21("4","1","2","7","7","2","3","1") = "6"
    & skf21("4","1","2","7","7","2","4","1") = "6"
    & skf21("4","1","2","7","7","2","5","1") = "6"
    & skf21("4","1","2","7","7","2","6","1") = "6"
    & skf21("4","1","2","7","7","2","7","1") = "6"
    & skf21("4","1","2","7","7","3","1","1") = "6"
    & skf21("4","1","2","7","7","3","2","1") = "6"
    & skf21("4","1","2","7","7","3","3","1") = "6"
    & skf21("4","1","2","7","7","3","4","1") = "6"
    & skf21("4","1","2","7","7","3","5","1") = "6"
    & skf21("4","1","2","7","7","3","6","1") = "6"
    & skf21("4","1","2","7","7","3","7","1") = "6"
    & skf21("4","1","2","7","7","4","1","1") = "6"
    & skf21("4","1","2","7","7","4","2","1") = "6"
    & skf21("4","1","2","7","7","4","3","1") = "6"
    & skf21("4","1","2","7","7","4","4","1") = "6"
    & skf21("4","1","2","7","7","4","5","1") = "6"
    & skf21("4","1","2","7","7","4","6","1") = "6"
    & skf21("4","1","2","7","7","4","7","1") = "6"
    & skf21("4","1","2","7","7","5","1","1") = "6"
    & skf21("4","1","2","7","7","5","2","1") = "6"
    & skf21("4","1","2","7","7","5","3","1") = "6"
    & skf21("4","1","2","7","7","5","4","1") = "6"
    & skf21("4","1","2","7","7","5","5","1") = "6"
    & skf21("4","1","2","7","7","5","6","1") = "6"
    & skf21("4","1","2","7","7","5","7","1") = "6"
    & skf21("4","1","2","7","7","6","1","1") = "6"
    & skf21("4","1","2","7","7","6","2","1") = "6"
    & skf21("4","1","2","7","7","6","3","1") = "6"
    & skf21("4","1","2","7","7","6","4","1") = "6"
    & skf21("4","1","2","7","7","6","5","1") = "6"
    & skf21("4","1","2","7","7","6","6","1") = "6"
    & skf21("4","1","2","7","7","6","7","1") = "6"
    & skf21("4","1","2","7","7","7","1","1") = "6"
    & skf21("4","1","2","7","7","7","2","1") = "6"
    & skf21("4","1","2","7","7","7","3","1") = "6"
    & skf21("4","1","2","7","7","7","4","1") = "6"
    & skf21("4","1","2","7","7","7","5","1") = "6"
    & skf21("4","1","2","7","7","7","6","1") = "6"
    & skf21("4","1","2","7","7","7","7","1") = "6"
    & skf21("4","1","3","1","1","1","1","1") = "3"
    & skf21("4","1","3","1","1","1","2","1") = "3"
    & skf21("4","1","3","1","1","1","3","1") = "3"
    & skf21("4","1","3","1","1","1","4","1") = "3"
    & skf21("4","1","3","1","1","1","5","1") = "4"
    & skf21("4","1","3","1","1","1","6","1") = "5"
    & skf21("4","1","3","1","1","1","7","1") = "6"
    & skf21("4","1","3","1","1","2","1","1") = "3"
    & skf21("4","1","3","1","1","2","2","1") = "3"
    & skf21("4","1","3","1","1","2","3","1") = "3"
    & skf21("4","1","3","1","1","2","4","1") = "3"
    & skf21("4","1","3","1","1","2","5","1") = "4"
    & skf21("4","1","3","1","1","2","6","1") = "5"
    & skf21("4","1","3","1","1","2","7","1") = "6"
    & skf21("4","1","3","1","1","3","1","1") = "3"
    & skf21("4","1","3","1","1","3","2","1") = "3"
    & skf21("4","1","3","1","1","3","3","1") = "3"
    & skf21("4","1","3","1","1","3","4","1") = "3"
    & skf21("4","1","3","1","1","3","5","1") = "4"
    & skf21("4","1","3","1","1","3","6","1") = "5"
    & skf21("4","1","3","1","1","3","7","1") = "6"
    & skf21("4","1","3","1","1","4","1","1") = "3"
    & skf21("4","1","3","1","1","4","2","1") = "3"
    & skf21("4","1","3","1","1","4","3","1") = "3"
    & skf21("4","1","3","1","1","4","4","1") = "3"
    & skf21("4","1","3","1","1","4","5","1") = "4"
    & skf21("4","1","3","1","1","4","6","1") = "5"
    & skf21("4","1","3","1","1","4","7","1") = "6"
    & skf21("4","1","3","1","1","5","1","1") = "4"
    & skf21("4","1","3","1","1","5","2","1") = "4"
    & skf21("4","1","3","1","1","5","3","1") = "4"
    & skf21("4","1","3","1","1","5","4","1") = "4"
    & skf21("4","1","3","1","1","5","5","1") = "4"
    & skf21("4","1","3","1","1","5","6","1") = "5"
    & skf21("4","1","3","1","1","5","7","1") = "6"
    & skf21("4","1","3","1","1","6","1","1") = "5"
    & skf21("4","1","3","1","1","6","2","1") = "5"
    & skf21("4","1","3","1","1","6","3","1") = "5"
    & skf21("4","1","3","1","1","6","4","1") = "5"
    & skf21("4","1","3","1","1","6","5","1") = "5"
    & skf21("4","1","3","1","1","6","6","1") = "5"
    & skf21("4","1","3","1","1","6","7","1") = "6"
    & skf21("4","1","3","1","1","7","1","1") = "6"
    & skf21("4","1","3","1","1","7","2","1") = "6"
    & skf21("4","1","3","1","1","7","3","1") = "6"
    & skf21("4","1","3","1","1","7","4","1") = "6"
    & skf21("4","1","3","1","1","7","5","1") = "6"
    & skf21("4","1","3","1","1","7","6","1") = "6"
    & skf21("4","1","3","1","1","7","7","1") = "6"
    & skf21("4","1","3","1","2","1","1","1") = "3"
    & skf21("4","1","3","1","2","1","2","1") = "3"
    & skf21("4","1","3","1","2","1","3","1") = "3"
    & skf21("4","1","3","1","2","1","4","1") = "3"
    & skf21("4","1","3","1","2","1","5","1") = "4"
    & skf21("4","1","3","1","2","1","6","1") = "5"
    & skf21("4","1","3","1","2","1","7","1") = "6"
    & skf21("4","1","3","1","2","2","1","1") = "3"
    & skf21("4","1","3","1","2","2","2","1") = "3"
    & skf21("4","1","3","1","2","2","3","1") = "3"
    & skf21("4","1","3","1","2","2","4","1") = "3"
    & skf21("4","1","3","1","2","2","5","1") = "4"
    & skf21("4","1","3","1","2","2","6","1") = "5"
    & skf21("4","1","3","1","2","2","7","1") = "6"
    & skf21("4","1","3","1","2","3","1","1") = "3"
    & skf21("4","1","3","1","2","3","2","1") = "3"
    & skf21("4","1","3","1","2","3","3","1") = "3"
    & skf21("4","1","3","1","2","3","4","1") = "3"
    & skf21("4","1","3","1","2","3","5","1") = "4"
    & skf21("4","1","3","1","2","3","6","1") = "5"
    & skf21("4","1","3","1","2","3","7","1") = "6"
    & skf21("4","1","3","1","2","4","1","1") = "3"
    & skf21("4","1","3","1","2","4","2","1") = "3"
    & skf21("4","1","3","1","2","4","3","1") = "3"
    & skf21("4","1","3","1","2","4","4","1") = "3"
    & skf21("4","1","3","1","2","4","5","1") = "4"
    & skf21("4","1","3","1","2","4","6","1") = "5"
    & skf21("4","1","3","1","2","4","7","1") = "6"
    & skf21("4","1","3","1","2","5","1","1") = "4"
    & skf21("4","1","3","1","2","5","2","1") = "4"
    & skf21("4","1","3","1","2","5","3","1") = "4"
    & skf21("4","1","3","1","2","5","4","1") = "4"
    & skf21("4","1","3","1","2","5","5","1") = "4"
    & skf21("4","1","3","1","2","5","6","1") = "5"
    & skf21("4","1","3","1","2","5","7","1") = "6"
    & skf21("4","1","3","1","2","6","1","1") = "5"
    & skf21("4","1","3","1","2","6","2","1") = "5"
    & skf21("4","1","3","1","2","6","3","1") = "5"
    & skf21("4","1","3","1","2","6","4","1") = "5"
    & skf21("4","1","3","1","2","6","5","1") = "5"
    & skf21("4","1","3","1","2","6","6","1") = "5"
    & skf21("4","1","3","1","2","6","7","1") = "6"
    & skf21("4","1","3","1","2","7","1","1") = "6"
    & skf21("4","1","3","1","2","7","2","1") = "6"
    & skf21("4","1","3","1","2","7","3","1") = "6"
    & skf21("4","1","3","1","2","7","4","1") = "6"
    & skf21("4","1","3","1","2","7","5","1") = "6"
    & skf21("4","1","3","1","2","7","6","1") = "6"
    & skf21("4","1","3","1","2","7","7","1") = "6"
    & skf21("4","1","3","1","3","1","1","1") = "3"
    & skf21("4","1","3","1","3","1","2","1") = "3"
    & skf21("4","1","3","1","3","1","3","1") = "3"
    & skf21("4","1","3","1","3","1","4","1") = "3"
    & skf21("4","1","3","1","3","1","5","1") = "4"
    & skf21("4","1","3","1","3","1","6","1") = "5"
    & skf21("4","1","3","1","3","1","7","1") = "6"
    & skf21("4","1","3","1","3","2","1","1") = "3"
    & skf21("4","1","3","1","3","2","2","1") = "3"
    & skf21("4","1","3","1","3","2","3","1") = "3"
    & skf21("4","1","3","1","3","2","4","1") = "3"
    & skf21("4","1","3","1","3","2","5","1") = "4"
    & skf21("4","1","3","1","3","2","6","1") = "5"
    & skf21("4","1","3","1","3","2","7","1") = "6"
    & skf21("4","1","3","1","3","3","1","1") = "3"
    & skf21("4","1","3","1","3","3","2","1") = "3"
    & skf21("4","1","3","1","3","3","3","1") = "3"
    & skf21("4","1","3","1","3","3","4","1") = "3"
    & skf21("4","1","3","1","3","3","5","1") = "4"
    & skf21("4","1","3","1","3","3","6","1") = "5"
    & skf21("4","1","3","1","3","3","7","1") = "6"
    & skf21("4","1","3","1","3","4","1","1") = "3"
    & skf21("4","1","3","1","3","4","2","1") = "3"
    & skf21("4","1","3","1","3","4","3","1") = "3"
    & skf21("4","1","3","1","3","4","4","1") = "3"
    & skf21("4","1","3","1","3","4","5","1") = "4"
    & skf21("4","1","3","1","3","4","6","1") = "5"
    & skf21("4","1","3","1","3","4","7","1") = "6"
    & skf21("4","1","3","1","3","5","1","1") = "4"
    & skf21("4","1","3","1","3","5","2","1") = "4"
    & skf21("4","1","3","1","3","5","3","1") = "4"
    & skf21("4","1","3","1","3","5","4","1") = "4"
    & skf21("4","1","3","1","3","5","5","1") = "4"
    & skf21("4","1","3","1","3","5","6","1") = "5"
    & skf21("4","1","3","1","3","5","7","1") = "6"
    & skf21("4","1","3","1","3","6","1","1") = "5"
    & skf21("4","1","3","1","3","6","2","1") = "5"
    & skf21("4","1","3","1","3","6","3","1") = "5"
    & skf21("4","1","3","1","3","6","4","1") = "5"
    & skf21("4","1","3","1","3","6","5","1") = "5"
    & skf21("4","1","3","1","3","6","6","1") = "5"
    & skf21("4","1","3","1","3","6","7","1") = "6"
    & skf21("4","1","3","1","3","7","1","1") = "6"
    & skf21("4","1","3","1","3","7","2","1") = "6"
    & skf21("4","1","3","1","3","7","3","1") = "6"
    & skf21("4","1","3","1","3","7","4","1") = "6"
    & skf21("4","1","3","1","3","7","5","1") = "6"
    & skf21("4","1","3","1","3","7","6","1") = "6"
    & skf21("4","1","3","1","3","7","7","1") = "6"
    & skf21("4","1","3","1","4","1","1","1") = "3"
    & skf21("4","1","3","1","4","1","2","1") = "3"
    & skf21("4","1","3","1","4","1","3","1") = "3"
    & skf21("4","1","3","1","4","1","4","1") = "3"
    & skf21("4","1","3","1","4","1","5","1") = "4"
    & skf21("4","1","3","1","4","1","6","1") = "5"
    & skf21("4","1","3","1","4","1","7","1") = "6"
    & skf21("4","1","3","1","4","2","1","1") = "3"
    & skf21("4","1","3","1","4","2","2","1") = "3"
    & skf21("4","1","3","1","4","2","3","1") = "3"
    & skf21("4","1","3","1","4","2","4","1") = "3"
    & skf21("4","1","3","1","4","2","5","1") = "4"
    & skf21("4","1","3","1","4","2","6","1") = "5"
    & skf21("4","1","3","1","4","2","7","1") = "6"
    & skf21("4","1","3","1","4","3","1","1") = "3"
    & skf21("4","1","3","1","4","3","2","1") = "3"
    & skf21("4","1","3","1","4","3","3","1") = "3"
    & skf21("4","1","3","1","4","3","4","1") = "3"
    & skf21("4","1","3","1","4","3","5","1") = "4"
    & skf21("4","1","3","1","4","3","6","1") = "5"
    & skf21("4","1","3","1","4","3","7","1") = "6"
    & skf21("4","1","3","1","4","4","1","1") = "3"
    & skf21("4","1","3","1","4","4","2","1") = "3"
    & skf21("4","1","3","1","4","4","3","1") = "3"
    & skf21("4","1","3","1","4","4","4","1") = "3"
    & skf21("4","1","3","1","4","4","5","1") = "4"
    & skf21("4","1","3","1","4","4","6","1") = "5"
    & skf21("4","1","3","1","4","4","7","1") = "6"
    & skf21("4","1","3","1","4","5","1","1") = "4"
    & skf21("4","1","3","1","4","5","2","1") = "4"
    & skf21("4","1","3","1","4","5","3","1") = "4"
    & skf21("4","1","3","1","4","5","4","1") = "4"
    & skf21("4","1","3","1","4","5","5","1") = "4"
    & skf21("4","1","3","1","4","5","6","1") = "5"
    & skf21("4","1","3","1","4","5","7","1") = "6"
    & skf21("4","1","3","1","4","6","1","1") = "5"
    & skf21("4","1","3","1","4","6","2","1") = "5"
    & skf21("4","1","3","1","4","6","3","1") = "5"
    & skf21("4","1","3","1","4","6","4","1") = "5"
    & skf21("4","1","3","1","4","6","5","1") = "5"
    & skf21("4","1","3","1","4","6","6","1") = "5"
    & skf21("4","1","3","1","4","6","7","1") = "6"
    & skf21("4","1","3","1","4","7","1","1") = "6"
    & skf21("4","1","3","1","4","7","2","1") = "6"
    & skf21("4","1","3","1","4","7","3","1") = "6"
    & skf21("4","1","3","1","4","7","4","1") = "6"
    & skf21("4","1","3","1","4","7","5","1") = "6"
    & skf21("4","1","3","1","4","7","6","1") = "6"
    & skf21("4","1","3","1","4","7","7","1") = "6"
    & skf21("4","1","3","1","5","1","1","1") = "4"
    & skf21("4","1","3","1","5","1","2","1") = "4"
    & skf21("4","1","3","1","5","1","3","1") = "4"
    & skf21("4","1","3","1","5","1","4","1") = "4"
    & skf21("4","1","3","1","5","1","5","1") = "4"
    & skf21("4","1","3","1","5","1","6","1") = "5"
    & skf21("4","1","3","1","5","1","7","1") = "6"
    & skf21("4","1","3","1","5","2","1","1") = "4"
    & skf21("4","1","3","1","5","2","2","1") = "4"
    & skf21("4","1","3","1","5","2","3","1") = "4"
    & skf21("4","1","3","1","5","2","4","1") = "4"
    & skf21("4","1","3","1","5","2","5","1") = "4"
    & skf21("4","1","3","1","5","2","6","1") = "5"
    & skf21("4","1","3","1","5","2","7","1") = "6"
    & skf21("4","1","3","1","5","3","1","1") = "4"
    & skf21("4","1","3","1","5","3","2","1") = "4"
    & skf21("4","1","3","1","5","3","3","1") = "4"
    & skf21("4","1","3","1","5","3","4","1") = "4"
    & skf21("4","1","3","1","5","3","5","1") = "4"
    & skf21("4","1","3","1","5","3","6","1") = "5"
    & skf21("4","1","3","1","5","3","7","1") = "6"
    & skf21("4","1","3","1","5","4","1","1") = "4"
    & skf21("4","1","3","1","5","4","2","1") = "4"
    & skf21("4","1","3","1","5","4","3","1") = "4"
    & skf21("4","1","3","1","5","4","4","1") = "4"
    & skf21("4","1","3","1","5","4","5","1") = "4"
    & skf21("4","1","3","1","5","4","6","1") = "5"
    & skf21("4","1","3","1","5","4","7","1") = "6"
    & skf21("4","1","3","1","5","5","1","1") = "4"
    & skf21("4","1","3","1","5","5","2","1") = "4"
    & skf21("4","1","3","1","5","5","3","1") = "4"
    & skf21("4","1","3","1","5","5","4","1") = "4"
    & skf21("4","1","3","1","5","5","5","1") = "4"
    & skf21("4","1","3","1","5","5","6","1") = "5"
    & skf21("4","1","3","1","5","5","7","1") = "6"
    & skf21("4","1","3","1","5","6","1","1") = "5"
    & skf21("4","1","3","1","5","6","2","1") = "5"
    & skf21("4","1","3","1","5","6","3","1") = "5"
    & skf21("4","1","3","1","5","6","4","1") = "5"
    & skf21("4","1","3","1","5","6","5","1") = "5"
    & skf21("4","1","3","1","5","6","6","1") = "5"
    & skf21("4","1","3","1","5","6","7","1") = "6"
    & skf21("4","1","3","1","5","7","1","1") = "6"
    & skf21("4","1","3","1","5","7","2","1") = "6"
    & skf21("4","1","3","1","5","7","3","1") = "6"
    & skf21("4","1","3","1","5","7","4","1") = "6"
    & skf21("4","1","3","1","5","7","5","1") = "6"
    & skf21("4","1","3","1","5","7","6","1") = "6"
    & skf21("4","1","3","1","5","7","7","1") = "6"
    & skf21("4","1","3","1","6","1","1","1") = "5"
    & skf21("4","1","3","1","6","1","2","1") = "5"
    & skf21("4","1","3","1","6","1","3","1") = "5"
    & skf21("4","1","3","1","6","1","4","1") = "5"
    & skf21("4","1","3","1","6","1","5","1") = "5"
    & skf21("4","1","3","1","6","1","6","1") = "5"
    & skf21("4","1","3","1","6","1","7","1") = "6"
    & skf21("4","1","3","1","6","2","1","1") = "5"
    & skf21("4","1","3","1","6","2","2","1") = "5"
    & skf21("4","1","3","1","6","2","3","1") = "5"
    & skf21("4","1","3","1","6","2","4","1") = "5"
    & skf21("4","1","3","1","6","2","5","1") = "5"
    & skf21("4","1","3","1","6","2","6","1") = "5"
    & skf21("4","1","3","1","6","2","7","1") = "6"
    & skf21("4","1","3","1","6","3","1","1") = "5"
    & skf21("4","1","3","1","6","3","2","1") = "5"
    & skf21("4","1","3","1","6","3","3","1") = "5"
    & skf21("4","1","3","1","6","3","4","1") = "5"
    & skf21("4","1","3","1","6","3","5","1") = "5"
    & skf21("4","1","3","1","6","3","6","1") = "5"
    & skf21("4","1","3","1","6","3","7","1") = "6"
    & skf21("4","1","3","1","6","4","1","1") = "5"
    & skf21("4","1","3","1","6","4","2","1") = "5"
    & skf21("4","1","3","1","6","4","3","1") = "5"
    & skf21("4","1","3","1","6","4","4","1") = "5"
    & skf21("4","1","3","1","6","4","5","1") = "5"
    & skf21("4","1","3","1","6","4","6","1") = "5"
    & skf21("4","1","3","1","6","4","7","1") = "6"
    & skf21("4","1","3","1","6","5","1","1") = "5"
    & skf21("4","1","3","1","6","5","2","1") = "5"
    & skf21("4","1","3","1","6","5","3","1") = "5"
    & skf21("4","1","3","1","6","5","4","1") = "5"
    & skf21("4","1","3","1","6","5","5","1") = "5"
    & skf21("4","1","3","1","6","5","6","1") = "5"
    & skf21("4","1","3","1","6","5","7","1") = "6"
    & skf21("4","1","3","1","6","6","1","1") = "5"
    & skf21("4","1","3","1","6","6","2","1") = "5"
    & skf21("4","1","3","1","6","6","3","1") = "5"
    & skf21("4","1","3","1","6","6","4","1") = "5"
    & skf21("4","1","3","1","6","6","5","1") = "5"
    & skf21("4","1","3","1","6","6","6","1") = "5"
    & skf21("4","1","3","1","6","6","7","1") = "6"
    & skf21("4","1","3","1","6","7","1","1") = "6"
    & skf21("4","1","3","1","6","7","2","1") = "6"
    & skf21("4","1","3","1","6","7","3","1") = "6"
    & skf21("4","1","3","1","6","7","4","1") = "6"
    & skf21("4","1","3","1","6","7","5","1") = "6"
    & skf21("4","1","3","1","6","7","6","1") = "6"
    & skf21("4","1","3","1","6","7","7","1") = "6"
    & skf21("4","1","3","1","7","1","1","1") = "6"
    & skf21("4","1","3","1","7","1","2","1") = "6"
    & skf21("4","1","3","1","7","1","3","1") = "6"
    & skf21("4","1","3","1","7","1","4","1") = "6"
    & skf21("4","1","3","1","7","1","5","1") = "6"
    & skf21("4","1","3","1","7","1","6","1") = "6"
    & skf21("4","1","3","1","7","1","7","1") = "6"
    & skf21("4","1","3","1","7","2","1","1") = "6"
    & skf21("4","1","3","1","7","2","2","1") = "6"
    & skf21("4","1","3","1","7","2","3","1") = "6"
    & skf21("4","1","3","1","7","2","4","1") = "6"
    & skf21("4","1","3","1","7","2","5","1") = "6"
    & skf21("4","1","3","1","7","2","6","1") = "6"
    & skf21("4","1","3","1","7","2","7","1") = "6"
    & skf21("4","1","3","1","7","3","1","1") = "6"
    & skf21("4","1","3","1","7","3","2","1") = "6"
    & skf21("4","1","3","1","7","3","3","1") = "6"
    & skf21("4","1","3","1","7","3","4","1") = "6"
    & skf21("4","1","3","1","7","3","5","1") = "6"
    & skf21("4","1","3","1","7","3","6","1") = "6"
    & skf21("4","1","3","1","7","3","7","1") = "6"
    & skf21("4","1","3","1","7","4","1","1") = "6"
    & skf21("4","1","3","1","7","4","2","1") = "6"
    & skf21("4","1","3","1","7","4","3","1") = "6"
    & skf21("4","1","3","1","7","4","4","1") = "6"
    & skf21("4","1","3","1","7","4","5","1") = "6"
    & skf21("4","1","3","1","7","4","6","1") = "6"
    & skf21("4","1","3","1","7","4","7","1") = "6"
    & skf21("4","1","3","1","7","5","1","1") = "6"
    & skf21("4","1","3","1","7","5","2","1") = "6"
    & skf21("4","1","3","1","7","5","3","1") = "6"
    & skf21("4","1","3","1","7","5","4","1") = "6"
    & skf21("4","1","3","1","7","5","5","1") = "6"
    & skf21("4","1","3","1","7","5","6","1") = "6"
    & skf21("4","1","3","1","7","5","7","1") = "6"
    & skf21("4","1","3","1","7","6","1","1") = "6"
    & skf21("4","1","3","1","7","6","2","1") = "6"
    & skf21("4","1","3","1","7","6","3","1") = "6"
    & skf21("4","1","3","1","7","6","4","1") = "6"
    & skf21("4","1","3","1","7","6","5","1") = "6"
    & skf21("4","1","3","1","7","6","6","1") = "6"
    & skf21("4","1","3","1","7","6","7","1") = "6"
    & skf21("4","1","3","1","7","7","1","1") = "6"
    & skf21("4","1","3","1","7","7","2","1") = "6"
    & skf21("4","1","3","1","7","7","3","1") = "6"
    & skf21("4","1","3","1","7","7","4","1") = "6"
    & skf21("4","1","3","1","7","7","5","1") = "6"
    & skf21("4","1","3","1","7","7","6","1") = "6"
    & skf21("4","1","3","1","7","7","7","1") = "6"
    & skf21("4","1","3","2","1","1","1","1") = "3"
    & skf21("4","1","3","2","1","1","2","1") = "3"
    & skf21("4","1","3","2","1","1","3","1") = "3"
    & skf21("4","1","3","2","1","1","4","1") = "3"
    & skf21("4","1","3","2","1","1","5","1") = "4"
    & skf21("4","1","3","2","1","1","6","1") = "5"
    & skf21("4","1","3","2","1","1","7","1") = "6"
    & skf21("4","1","3","2","1","2","1","1") = "3"
    & skf21("4","1","3","2","1","2","2","1") = "3"
    & skf21("4","1","3","2","1","2","3","1") = "3"
    & skf21("4","1","3","2","1","2","4","1") = "3"
    & skf21("4","1","3","2","1","2","5","1") = "4"
    & skf21("4","1","3","2","1","2","6","1") = "5"
    & skf21("4","1","3","2","1","2","7","1") = "6"
    & skf21("4","1","3","2","1","3","1","1") = "3"
    & skf21("4","1","3","2","1","3","2","1") = "3"
    & skf21("4","1","3","2","1","3","3","1") = "3"
    & skf21("4","1","3","2","1","3","4","1") = "3"
    & skf21("4","1","3","2","1","3","5","1") = "4"
    & skf21("4","1","3","2","1","3","6","1") = "5"
    & skf21("4","1","3","2","1","3","7","1") = "6"
    & skf21("4","1","3","2","1","4","1","1") = "3"
    & skf21("4","1","3","2","1","4","2","1") = "3"
    & skf21("4","1","3","2","1","4","3","1") = "3"
    & skf21("4","1","3","2","1","4","4","1") = "3"
    & skf21("4","1","3","2","1","4","5","1") = "4"
    & skf21("4","1","3","2","1","4","6","1") = "5"
    & skf21("4","1","3","2","1","4","7","1") = "6"
    & skf21("4","1","3","2","1","5","1","1") = "4"
    & skf21("4","1","3","2","1","5","2","1") = "4"
    & skf21("4","1","3","2","1","5","3","1") = "4"
    & skf21("4","1","3","2","1","5","4","1") = "4"
    & skf21("4","1","3","2","1","5","5","1") = "4"
    & skf21("4","1","3","2","1","5","6","1") = "5"
    & skf21("4","1","3","2","1","5","7","1") = "6"
    & skf21("4","1","3","2","1","6","1","1") = "5"
    & skf21("4","1","3","2","1","6","2","1") = "5"
    & skf21("4","1","3","2","1","6","3","1") = "5"
    & skf21("4","1","3","2","1","6","4","1") = "5"
    & skf21("4","1","3","2","1","6","5","1") = "5"
    & skf21("4","1","3","2","1","6","6","1") = "5"
    & skf21("4","1","3","2","1","6","7","1") = "6"
    & skf21("4","1","3","2","1","7","1","1") = "6"
    & skf21("4","1","3","2","1","7","2","1") = "6"
    & skf21("4","1","3","2","1","7","3","1") = "6"
    & skf21("4","1","3","2","1","7","4","1") = "6"
    & skf21("4","1","3","2","1","7","5","1") = "6"
    & skf21("4","1","3","2","1","7","6","1") = "6"
    & skf21("4","1","3","2","1","7","7","1") = "6"
    & skf21("4","1","3","2","2","1","1","1") = "3"
    & skf21("4","1","3","2","2","1","2","1") = "3"
    & skf21("4","1","3","2","2","1","3","1") = "3"
    & skf21("4","1","3","2","2","1","4","1") = "3"
    & skf21("4","1","3","2","2","1","5","1") = "4"
    & skf21("4","1","3","2","2","1","6","1") = "5"
    & skf21("4","1","3","2","2","1","7","1") = "6"
    & skf21("4","1","3","2","2","2","1","1") = "3"
    & skf21("4","1","3","2","2","2","2","1") = "3"
    & skf21("4","1","3","2","2","2","3","1") = "3"
    & skf21("4","1","3","2","2","2","4","1") = "3"
    & skf21("4","1","3","2","2","2","5","1") = "4"
    & skf21("4","1","3","2","2","2","6","1") = "5"
    & skf21("4","1","3","2","2","2","7","1") = "6"
    & skf21("4","1","3","2","2","3","1","1") = "3"
    & skf21("4","1","3","2","2","3","2","1") = "3"
    & skf21("4","1","3","2","2","3","3","1") = "3"
    & skf21("4","1","3","2","2","3","4","1") = "3"
    & skf21("4","1","3","2","2","3","5","1") = "4"
    & skf21("4","1","3","2","2","3","6","1") = "5"
    & skf21("4","1","3","2","2","3","7","1") = "6"
    & skf21("4","1","3","2","2","4","1","1") = "3"
    & skf21("4","1","3","2","2","4","2","1") = "3"
    & skf21("4","1","3","2","2","4","3","1") = "3"
    & skf21("4","1","3","2","2","4","4","1") = "3"
    & skf21("4","1","3","2","2","4","5","1") = "4"
    & skf21("4","1","3","2","2","4","6","1") = "5"
    & skf21("4","1","3","2","2","4","7","1") = "6"
    & skf21("4","1","3","2","2","5","1","1") = "4"
    & skf21("4","1","3","2","2","5","2","1") = "4"
    & skf21("4","1","3","2","2","5","3","1") = "4"
    & skf21("4","1","3","2","2","5","4","1") = "4"
    & skf21("4","1","3","2","2","5","5","1") = "4"
    & skf21("4","1","3","2","2","5","6","1") = "5"
    & skf21("4","1","3","2","2","5","7","1") = "6"
    & skf21("4","1","3","2","2","6","1","1") = "5"
    & skf21("4","1","3","2","2","6","2","1") = "5"
    & skf21("4","1","3","2","2","6","3","1") = "5"
    & skf21("4","1","3","2","2","6","4","1") = "5"
    & skf21("4","1","3","2","2","6","5","1") = "5"
    & skf21("4","1","3","2","2","6","6","1") = "5"
    & skf21("4","1","3","2","2","6","7","1") = "6"
    & skf21("4","1","3","2","2","7","1","1") = "6"
    & skf21("4","1","3","2","2","7","2","1") = "6"
    & skf21("4","1","3","2","2","7","3","1") = "6"
    & skf21("4","1","3","2","2","7","4","1") = "6"
    & skf21("4","1","3","2","2","7","5","1") = "6"
    & skf21("4","1","3","2","2","7","6","1") = "6"
    & skf21("4","1","3","2","2","7","7","1") = "6"
    & skf21("4","1","3","2","3","1","1","1") = "3"
    & skf21("4","1","3","2","3","1","2","1") = "3"
    & skf21("4","1","3","2","3","1","3","1") = "3"
    & skf21("4","1","3","2","3","1","4","1") = "3"
    & skf21("4","1","3","2","3","1","5","1") = "4"
    & skf21("4","1","3","2","3","1","6","1") = "5"
    & skf21("4","1","3","2","3","1","7","1") = "6"
    & skf21("4","1","3","2","3","2","1","1") = "3"
    & skf21("4","1","3","2","3","2","2","1") = "3"
    & skf21("4","1","3","2","3","2","3","1") = "3"
    & skf21("4","1","3","2","3","2","4","1") = "3"
    & skf21("4","1","3","2","3","2","5","1") = "4"
    & skf21("4","1","3","2","3","2","6","1") = "5"
    & skf21("4","1","3","2","3","2","7","1") = "6"
    & skf21("4","1","3","2","3","3","1","1") = "3"
    & skf21("4","1","3","2","3","3","2","1") = "3"
    & skf21("4","1","3","2","3","3","3","1") = "3"
    & skf21("4","1","3","2","3","3","4","1") = "3"
    & skf21("4","1","3","2","3","3","5","1") = "4"
    & skf21("4","1","3","2","3","3","6","1") = "5"
    & skf21("4","1","3","2","3","3","7","1") = "6"
    & skf21("4","1","3","2","3","4","1","1") = "3"
    & skf21("4","1","3","2","3","4","2","1") = "3"
    & skf21("4","1","3","2","3","4","3","1") = "3"
    & skf21("4","1","3","2","3","4","4","1") = "3"
    & skf21("4","1","3","2","3","4","5","1") = "4"
    & skf21("4","1","3","2","3","4","6","1") = "5"
    & skf21("4","1","3","2","3","4","7","1") = "6"
    & skf21("4","1","3","2","3","5","1","1") = "4"
    & skf21("4","1","3","2","3","5","2","1") = "4"
    & skf21("4","1","3","2","3","5","3","1") = "4"
    & skf21("4","1","3","2","3","5","4","1") = "4"
    & skf21("4","1","3","2","3","5","5","1") = "4"
    & skf21("4","1","3","2","3","5","6","1") = "5"
    & skf21("4","1","3","2","3","5","7","1") = "6"
    & skf21("4","1","3","2","3","6","1","1") = "5"
    & skf21("4","1","3","2","3","6","2","1") = "5"
    & skf21("4","1","3","2","3","6","3","1") = "5"
    & skf21("4","1","3","2","3","6","4","1") = "5"
    & skf21("4","1","3","2","3","6","5","1") = "5"
    & skf21("4","1","3","2","3","6","6","1") = "5"
    & skf21("4","1","3","2","3","6","7","1") = "6"
    & skf21("4","1","3","2","3","7","1","1") = "6"
    & skf21("4","1","3","2","3","7","2","1") = "6"
    & skf21("4","1","3","2","3","7","3","1") = "6"
    & skf21("4","1","3","2","3","7","4","1") = "6"
    & skf21("4","1","3","2","3","7","5","1") = "6"
    & skf21("4","1","3","2","3","7","6","1") = "6"
    & skf21("4","1","3","2","3","7","7","1") = "6"
    & skf21("4","1","3","2","4","1","1","1") = "3"
    & skf21("4","1","3","2","4","1","2","1") = "3"
    & skf21("4","1","3","2","4","1","3","1") = "3"
    & skf21("4","1","3","2","4","1","4","1") = "3"
    & skf21("4","1","3","2","4","1","5","1") = "4"
    & skf21("4","1","3","2","4","1","6","1") = "5"
    & skf21("4","1","3","2","4","1","7","1") = "6"
    & skf21("4","1","3","2","4","2","1","1") = "3"
    & skf21("4","1","3","2","4","2","2","1") = "3"
    & skf21("4","1","3","2","4","2","3","1") = "3"
    & skf21("4","1","3","2","4","2","4","1") = "3"
    & skf21("4","1","3","2","4","2","5","1") = "4"
    & skf21("4","1","3","2","4","2","6","1") = "5"
    & skf21("4","1","3","2","4","2","7","1") = "6"
    & skf21("4","1","3","2","4","3","1","1") = "3"
    & skf21("4","1","3","2","4","3","2","1") = "3"
    & skf21("4","1","3","2","4","3","3","1") = "3"
    & skf21("4","1","3","2","4","3","4","1") = "3"
    & skf21("4","1","3","2","4","3","5","1") = "4"
    & skf21("4","1","3","2","4","3","6","1") = "5"
    & skf21("4","1","3","2","4","3","7","1") = "6"
    & skf21("4","1","3","2","4","4","1","1") = "3"
    & skf21("4","1","3","2","4","4","2","1") = "3"
    & skf21("4","1","3","2","4","4","3","1") = "3"
    & skf21("4","1","3","2","4","4","4","1") = "3"
    & skf21("4","1","3","2","4","4","5","1") = "4"
    & skf21("4","1","3","2","4","4","6","1") = "5"
    & skf21("4","1","3","2","4","4","7","1") = "6"
    & skf21("4","1","3","2","4","5","1","1") = "4"
    & skf21("4","1","3","2","4","5","2","1") = "4"
    & skf21("4","1","3","2","4","5","3","1") = "4"
    & skf21("4","1","3","2","4","5","4","1") = "4"
    & skf21("4","1","3","2","4","5","5","1") = "4"
    & skf21("4","1","3","2","4","5","6","1") = "5"
    & skf21("4","1","3","2","4","5","7","1") = "6"
    & skf21("4","1","3","2","4","6","1","1") = "5"
    & skf21("4","1","3","2","4","6","2","1") = "5"
    & skf21("4","1","3","2","4","6","3","1") = "5"
    & skf21("4","1","3","2","4","6","4","1") = "5"
    & skf21("4","1","3","2","4","6","5","1") = "5"
    & skf21("4","1","3","2","4","6","6","1") = "5"
    & skf21("4","1","3","2","4","6","7","1") = "6"
    & skf21("4","1","3","2","4","7","1","1") = "6"
    & skf21("4","1","3","2","4","7","2","1") = "6"
    & skf21("4","1","3","2","4","7","3","1") = "6"
    & skf21("4","1","3","2","4","7","4","1") = "6"
    & skf21("4","1","3","2","4","7","5","1") = "6"
    & skf21("4","1","3","2","4","7","6","1") = "6"
    & skf21("4","1","3","2","4","7","7","1") = "6"
    & skf21("4","1","3","2","5","1","1","1") = "4"
    & skf21("4","1","3","2","5","1","2","1") = "4"
    & skf21("4","1","3","2","5","1","3","1") = "4"
    & skf21("4","1","3","2","5","1","4","1") = "4"
    & skf21("4","1","3","2","5","1","5","1") = "4"
    & skf21("4","1","3","2","5","1","6","1") = "5"
    & skf21("4","1","3","2","5","1","7","1") = "6"
    & skf21("4","1","3","2","5","2","1","1") = "4"
    & skf21("4","1","3","2","5","2","2","1") = "4"
    & skf21("4","1","3","2","5","2","3","1") = "4"
    & skf21("4","1","3","2","5","2","4","1") = "4"
    & skf21("4","1","3","2","5","2","5","1") = "4"
    & skf21("4","1","3","2","5","2","6","1") = "5"
    & skf21("4","1","3","2","5","2","7","1") = "6"
    & skf21("4","1","3","2","5","3","1","1") = "4"
    & skf21("4","1","3","2","5","3","2","1") = "4"
    & skf21("4","1","3","2","5","3","3","1") = "4"
    & skf21("4","1","3","2","5","3","4","1") = "4"
    & skf21("4","1","3","2","5","3","5","1") = "4"
    & skf21("4","1","3","2","5","3","6","1") = "5"
    & skf21("4","1","3","2","5","3","7","1") = "6"
    & skf21("4","1","3","2","5","4","1","1") = "4"
    & skf21("4","1","3","2","5","4","2","1") = "4"
    & skf21("4","1","3","2","5","4","3","1") = "4"
    & skf21("4","1","3","2","5","4","4","1") = "4"
    & skf21("4","1","3","2","5","4","5","1") = "4"
    & skf21("4","1","3","2","5","4","6","1") = "5"
    & skf21("4","1","3","2","5","4","7","1") = "6"
    & skf21("4","1","3","2","5","5","1","1") = "4"
    & skf21("4","1","3","2","5","5","2","1") = "4"
    & skf21("4","1","3","2","5","5","3","1") = "4"
    & skf21("4","1","3","2","5","5","4","1") = "4"
    & skf21("4","1","3","2","5","5","5","1") = "4"
    & skf21("4","1","3","2","5","5","6","1") = "5"
    & skf21("4","1","3","2","5","5","7","1") = "6"
    & skf21("4","1","3","2","5","6","1","1") = "5"
    & skf21("4","1","3","2","5","6","2","1") = "5"
    & skf21("4","1","3","2","5","6","3","1") = "5"
    & skf21("4","1","3","2","5","6","4","1") = "5"
    & skf21("4","1","3","2","5","6","5","1") = "5"
    & skf21("4","1","3","2","5","6","6","1") = "5"
    & skf21("4","1","3","2","5","6","7","1") = "6"
    & skf21("4","1","3","2","5","7","1","1") = "6"
    & skf21("4","1","3","2","5","7","2","1") = "6"
    & skf21("4","1","3","2","5","7","3","1") = "6"
    & skf21("4","1","3","2","5","7","4","1") = "6"
    & skf21("4","1","3","2","5","7","5","1") = "6"
    & skf21("4","1","3","2","5","7","6","1") = "6"
    & skf21("4","1","3","2","5","7","7","1") = "6"
    & skf21("4","1","3","2","6","1","1","1") = "5"
    & skf21("4","1","3","2","6","1","2","1") = "5"
    & skf21("4","1","3","2","6","1","3","1") = "5"
    & skf21("4","1","3","2","6","1","4","1") = "5"
    & skf21("4","1","3","2","6","1","5","1") = "5"
    & skf21("4","1","3","2","6","1","6","1") = "5"
    & skf21("4","1","3","2","6","1","7","1") = "6"
    & skf21("4","1","3","2","6","2","1","1") = "5"
    & skf21("4","1","3","2","6","2","2","1") = "5"
    & skf21("4","1","3","2","6","2","3","1") = "5"
    & skf21("4","1","3","2","6","2","4","1") = "5"
    & skf21("4","1","3","2","6","2","5","1") = "5"
    & skf21("4","1","3","2","6","2","6","1") = "5"
    & skf21("4","1","3","2","6","2","7","1") = "6"
    & skf21("4","1","3","2","6","3","1","1") = "5"
    & skf21("4","1","3","2","6","3","2","1") = "5"
    & skf21("4","1","3","2","6","3","3","1") = "5"
    & skf21("4","1","3","2","6","3","4","1") = "5"
    & skf21("4","1","3","2","6","3","5","1") = "5"
    & skf21("4","1","3","2","6","3","6","1") = "5"
    & skf21("4","1","3","2","6","3","7","1") = "6"
    & skf21("4","1","3","2","6","4","1","1") = "5"
    & skf21("4","1","3","2","6","4","2","1") = "5"
    & skf21("4","1","3","2","6","4","3","1") = "5"
    & skf21("4","1","3","2","6","4","4","1") = "5"
    & skf21("4","1","3","2","6","4","5","1") = "5"
    & skf21("4","1","3","2","6","4","6","1") = "5"
    & skf21("4","1","3","2","6","4","7","1") = "6"
    & skf21("4","1","3","2","6","5","1","1") = "5"
    & skf21("4","1","3","2","6","5","2","1") = "5"
    & skf21("4","1","3","2","6","5","3","1") = "5"
    & skf21("4","1","3","2","6","5","4","1") = "5"
    & skf21("4","1","3","2","6","5","5","1") = "5"
    & skf21("4","1","3","2","6","5","6","1") = "5"
    & skf21("4","1","3","2","6","5","7","1") = "6"
    & skf21("4","1","3","2","6","6","1","1") = "5"
    & skf21("4","1","3","2","6","6","2","1") = "5"
    & skf21("4","1","3","2","6","6","3","1") = "5"
    & skf21("4","1","3","2","6","6","4","1") = "5"
    & skf21("4","1","3","2","6","6","5","1") = "5"
    & skf21("4","1","3","2","6","6","6","1") = "5"
    & skf21("4","1","3","2","6","6","7","1") = "6"
    & skf21("4","1","3","2","6","7","1","1") = "6"
    & skf21("4","1","3","2","6","7","2","1") = "6"
    & skf21("4","1","3","2","6","7","3","1") = "6"
    & skf21("4","1","3","2","6","7","4","1") = "6"
    & skf21("4","1","3","2","6","7","5","1") = "6"
    & skf21("4","1","3","2","6","7","6","1") = "6"
    & skf21("4","1","3","2","6","7","7","1") = "6"
    & skf21("4","1","3","2","7","1","1","1") = "6"
    & skf21("4","1","3","2","7","1","2","1") = "6"
    & skf21("4","1","3","2","7","1","3","1") = "6"
    & skf21("4","1","3","2","7","1","4","1") = "6"
    & skf21("4","1","3","2","7","1","5","1") = "6"
    & skf21("4","1","3","2","7","1","6","1") = "6"
    & skf21("4","1","3","2","7","1","7","1") = "6"
    & skf21("4","1","3","2","7","2","1","1") = "6"
    & skf21("4","1","3","2","7","2","2","1") = "6"
    & skf21("4","1","3","2","7","2","3","1") = "6"
    & skf21("4","1","3","2","7","2","4","1") = "6"
    & skf21("4","1","3","2","7","2","5","1") = "6"
    & skf21("4","1","3","2","7","2","6","1") = "6"
    & skf21("4","1","3","2","7","2","7","1") = "6"
    & skf21("4","1","3","2","7","3","1","1") = "6"
    & skf21("4","1","3","2","7","3","2","1") = "6"
    & skf21("4","1","3","2","7","3","3","1") = "6"
    & skf21("4","1","3","2","7","3","4","1") = "6"
    & skf21("4","1","3","2","7","3","5","1") = "6"
    & skf21("4","1","3","2","7","3","6","1") = "6"
    & skf21("4","1","3","2","7","3","7","1") = "6"
    & skf21("4","1","3","2","7","4","1","1") = "6"
    & skf21("4","1","3","2","7","4","2","1") = "6"
    & skf21("4","1","3","2","7","4","3","1") = "6"
    & skf21("4","1","3","2","7","4","4","1") = "6"
    & skf21("4","1","3","2","7","4","5","1") = "6"
    & skf21("4","1","3","2","7","4","6","1") = "6"
    & skf21("4","1","3","2","7","4","7","1") = "6"
    & skf21("4","1","3","2","7","5","1","1") = "6"
    & skf21("4","1","3","2","7","5","2","1") = "6"
    & skf21("4","1","3","2","7","5","3","1") = "6"
    & skf21("4","1","3","2","7","5","4","1") = "6"
    & skf21("4","1","3","2","7","5","5","1") = "6"
    & skf21("4","1","3","2","7","5","6","1") = "6"
    & skf21("4","1","3","2","7","5","7","1") = "6"
    & skf21("4","1","3","2","7","6","1","1") = "6"
    & skf21("4","1","3","2","7","6","2","1") = "6"
    & skf21("4","1","3","2","7","6","3","1") = "6"
    & skf21("4","1","3","2","7","6","4","1") = "6"
    & skf21("4","1","3","2","7","6","5","1") = "6"
    & skf21("4","1","3","2","7","6","6","1") = "6"
    & skf21("4","1","3","2","7","6","7","1") = "6"
    & skf21("4","1","3","2","7","7","1","1") = "6"
    & skf21("4","1","3","2","7","7","2","1") = "6"
    & skf21("4","1","3","2","7","7","3","1") = "6"
    & skf21("4","1","3","2","7","7","4","1") = "6"
    & skf21("4","1","3","2","7","7","5","1") = "6"
    & skf21("4","1","3","2","7","7","6","1") = "6"
    & skf21("4","1","3","2","7","7","7","1") = "6"
    & skf21("4","1","3","3","1","1","1","1") = "3"
    & skf21("4","1","3","3","1","1","2","1") = "3"
    & skf21("4","1","3","3","1","1","3","1") = "3"
    & skf21("4","1","3","3","1","1","4","1") = "3"
    & skf21("4","1","3","3","1","1","5","1") = "4"
    & skf21("4","1","3","3","1","1","6","1") = "5"
    & skf21("4","1","3","3","1","1","7","1") = "6"
    & skf21("4","1","3","3","1","2","1","1") = "3"
    & skf21("4","1","3","3","1","2","2","1") = "3"
    & skf21("4","1","3","3","1","2","3","1") = "3"
    & skf21("4","1","3","3","1","2","4","1") = "3"
    & skf21("4","1","3","3","1","2","5","1") = "4"
    & skf21("4","1","3","3","1","2","6","1") = "5"
    & skf21("4","1","3","3","1","2","7","1") = "6"
    & skf21("4","1","3","3","1","3","1","1") = "3"
    & skf21("4","1","3","3","1","3","2","1") = "3"
    & skf21("4","1","3","3","1","3","3","1") = "3"
    & skf21("4","1","3","3","1","3","4","1") = "3"
    & skf21("4","1","3","3","1","3","5","1") = "4"
    & skf21("4","1","3","3","1","3","6","1") = "5"
    & skf21("4","1","3","3","1","3","7","1") = "6"
    & skf21("4","1","3","3","1","4","1","1") = "3"
    & skf21("4","1","3","3","1","4","2","1") = "3"
    & skf21("4","1","3","3","1","4","3","1") = "3"
    & skf21("4","1","3","3","1","4","4","1") = "3"
    & skf21("4","1","3","3","1","4","5","1") = "4"
    & skf21("4","1","3","3","1","4","6","1") = "5"
    & skf21("4","1","3","3","1","4","7","1") = "6"
    & skf21("4","1","3","3","1","5","1","1") = "4"
    & skf21("4","1","3","3","1","5","2","1") = "4"
    & skf21("4","1","3","3","1","5","3","1") = "4"
    & skf21("4","1","3","3","1","5","4","1") = "4"
    & skf21("4","1","3","3","1","5","5","1") = "4"
    & skf21("4","1","3","3","1","5","6","1") = "5"
    & skf21("4","1","3","3","1","5","7","1") = "6"
    & skf21("4","1","3","3","1","6","1","1") = "5"
    & skf21("4","1","3","3","1","6","2","1") = "5"
    & skf21("4","1","3","3","1","6","3","1") = "5"
    & skf21("4","1","3","3","1","6","4","1") = "5"
    & skf21("4","1","3","3","1","6","5","1") = "5"
    & skf21("4","1","3","3","1","6","6","1") = "5"
    & skf21("4","1","3","3","1","6","7","1") = "6"
    & skf21("4","1","3","3","1","7","1","1") = "6"
    & skf21("4","1","3","3","1","7","2","1") = "6"
    & skf21("4","1","3","3","1","7","3","1") = "6"
    & skf21("4","1","3","3","1","7","4","1") = "6"
    & skf21("4","1","3","3","1","7","5","1") = "6"
    & skf21("4","1","3","3","1","7","6","1") = "6"
    & skf21("4","1","3","3","1","7","7","1") = "6"
    & skf21("4","1","3","3","2","1","1","1") = "3"
    & skf21("4","1","3","3","2","1","2","1") = "3"
    & skf21("4","1","3","3","2","1","3","1") = "3"
    & skf21("4","1","3","3","2","1","4","1") = "3"
    & skf21("4","1","3","3","2","1","5","1") = "4"
    & skf21("4","1","3","3","2","1","6","1") = "5"
    & skf21("4","1","3","3","2","1","7","1") = "6"
    & skf21("4","1","3","3","2","2","1","1") = "3"
    & skf21("4","1","3","3","2","2","2","1") = "3"
    & skf21("4","1","3","3","2","2","3","1") = "3"
    & skf21("4","1","3","3","2","2","4","1") = "3"
    & skf21("4","1","3","3","2","2","5","1") = "4"
    & skf21("4","1","3","3","2","2","6","1") = "5"
    & skf21("4","1","3","3","2","2","7","1") = "6"
    & skf21("4","1","3","3","2","3","1","1") = "3"
    & skf21("4","1","3","3","2","3","2","1") = "3"
    & skf21("4","1","3","3","2","3","3","1") = "3"
    & skf21("4","1","3","3","2","3","4","1") = "3"
    & skf21("4","1","3","3","2","3","5","1") = "4"
    & skf21("4","1","3","3","2","3","6","1") = "5"
    & skf21("4","1","3","3","2","3","7","1") = "6"
    & skf21("4","1","3","3","2","4","1","1") = "3"
    & skf21("4","1","3","3","2","4","2","1") = "3"
    & skf21("4","1","3","3","2","4","3","1") = "3"
    & skf21("4","1","3","3","2","4","4","1") = "3"
    & skf21("4","1","3","3","2","4","5","1") = "4"
    & skf21("4","1","3","3","2","4","6","1") = "5"
    & skf21("4","1","3","3","2","4","7","1") = "6"
    & skf21("4","1","3","3","2","5","1","1") = "4"
    & skf21("4","1","3","3","2","5","2","1") = "4"
    & skf21("4","1","3","3","2","5","3","1") = "4"
    & skf21("4","1","3","3","2","5","4","1") = "4"
    & skf21("4","1","3","3","2","5","5","1") = "4"
    & skf21("4","1","3","3","2","5","6","1") = "5"
    & skf21("4","1","3","3","2","5","7","1") = "6"
    & skf21("4","1","3","3","2","6","1","1") = "5"
    & skf21("4","1","3","3","2","6","2","1") = "5"
    & skf21("4","1","3","3","2","6","3","1") = "5"
    & skf21("4","1","3","3","2","6","4","1") = "5"
    & skf21("4","1","3","3","2","6","5","1") = "5"
    & skf21("4","1","3","3","2","6","6","1") = "5"
    & skf21("4","1","3","3","2","6","7","1") = "6"
    & skf21("4","1","3","3","2","7","1","1") = "6"
    & skf21("4","1","3","3","2","7","2","1") = "6"
    & skf21("4","1","3","3","2","7","3","1") = "6"
    & skf21("4","1","3","3","2","7","4","1") = "6"
    & skf21("4","1","3","3","2","7","5","1") = "6"
    & skf21("4","1","3","3","2","7","6","1") = "6"
    & skf21("4","1","3","3","2","7","7","1") = "6"
    & skf21("4","1","3","3","3","1","1","1") = "3"
    & skf21("4","1","3","3","3","1","2","1") = "3"
    & skf21("4","1","3","3","3","1","3","1") = "3"
    & skf21("4","1","3","3","3","1","4","1") = "3"
    & skf21("4","1","3","3","3","1","5","1") = "4"
    & skf21("4","1","3","3","3","1","6","1") = "5"
    & skf21("4","1","3","3","3","1","7","1") = "6"
    & skf21("4","1","3","3","3","2","1","1") = "3"
    & skf21("4","1","3","3","3","2","2","1") = "3"
    & skf21("4","1","3","3","3","2","3","1") = "3"
    & skf21("4","1","3","3","3","2","4","1") = "3"
    & skf21("4","1","3","3","3","2","5","1") = "4"
    & skf21("4","1","3","3","3","2","6","1") = "5"
    & skf21("4","1","3","3","3","2","7","1") = "6"
    & skf21("4","1","3","3","3","3","1","1") = "3"
    & skf21("4","1","3","3","3","3","2","1") = "3"
    & skf21("4","1","3","3","3","3","3","1") = "3"
    & skf21("4","1","3","3","3","3","4","1") = "3"
    & skf21("4","1","3","3","3","3","5","1") = "4"
    & skf21("4","1","3","3","3","3","6","1") = "5"
    & skf21("4","1","3","3","3","3","7","1") = "6"
    & skf21("4","1","3","3","3","4","1","1") = "3"
    & skf21("4","1","3","3","3","4","2","1") = "3"
    & skf21("4","1","3","3","3","4","3","1") = "3"
    & skf21("4","1","3","3","3","4","4","1") = "3"
    & skf21("4","1","3","3","3","4","5","1") = "4"
    & skf21("4","1","3","3","3","4","6","1") = "5"
    & skf21("4","1","3","3","3","4","7","1") = "6"
    & skf21("4","1","3","3","3","5","1","1") = "4"
    & skf21("4","1","3","3","3","5","2","1") = "4"
    & skf21("4","1","3","3","3","5","3","1") = "4"
    & skf21("4","1","3","3","3","5","4","1") = "4"
    & skf21("4","1","3","3","3","5","5","1") = "4"
    & skf21("4","1","3","3","3","5","6","1") = "5"
    & skf21("4","1","3","3","3","5","7","1") = "6"
    & skf21("4","1","3","3","3","6","1","1") = "5"
    & skf21("4","1","3","3","3","6","2","1") = "5"
    & skf21("4","1","3","3","3","6","3","1") = "5"
    & skf21("4","1","3","3","3","6","4","1") = "5"
    & skf21("4","1","3","3","3","6","5","1") = "5"
    & skf21("4","1","3","3","3","6","6","1") = "5"
    & skf21("4","1","3","3","3","6","7","1") = "6"
    & skf21("4","1","3","3","3","7","1","1") = "6"
    & skf21("4","1","3","3","3","7","2","1") = "6"
    & skf21("4","1","3","3","3","7","3","1") = "6"
    & skf21("4","1","3","3","3","7","4","1") = "6"
    & skf21("4","1","3","3","3","7","5","1") = "6"
    & skf21("4","1","3","3","3","7","6","1") = "6"
    & skf21("4","1","3","3","3","7","7","1") = "6"
    & skf21("4","1","3","3","4","1","1","1") = "3"
    & skf21("4","1","3","3","4","1","2","1") = "3"
    & skf21("4","1","3","3","4","1","3","1") = "3"
    & skf21("4","1","3","3","4","1","4","1") = "3"
    & skf21("4","1","3","3","4","1","5","1") = "4"
    & skf21("4","1","3","3","4","1","6","1") = "5"
    & skf21("4","1","3","3","4","1","7","1") = "6"
    & skf21("4","1","3","3","4","2","1","1") = "3"
    & skf21("4","1","3","3","4","2","2","1") = "3"
    & skf21("4","1","3","3","4","2","3","1") = "3"
    & skf21("4","1","3","3","4","2","4","1") = "3"
    & skf21("4","1","3","3","4","2","5","1") = "4"
    & skf21("4","1","3","3","4","2","6","1") = "5"
    & skf21("4","1","3","3","4","2","7","1") = "6"
    & skf21("4","1","3","3","4","3","1","1") = "3"
    & skf21("4","1","3","3","4","3","2","1") = "3"
    & skf21("4","1","3","3","4","3","3","1") = "3"
    & skf21("4","1","3","3","4","3","4","1") = "3"
    & skf21("4","1","3","3","4","3","5","1") = "4"
    & skf21("4","1","3","3","4","3","6","1") = "5"
    & skf21("4","1","3","3","4","3","7","1") = "6"
    & skf21("4","1","3","3","4","4","1","1") = "3"
    & skf21("4","1","3","3","4","4","2","1") = "3"
    & skf21("4","1","3","3","4","4","3","1") = "3"
    & skf21("4","1","3","3","4","4","4","1") = "3"
    & skf21("4","1","3","3","4","4","5","1") = "4"
    & skf21("4","1","3","3","4","4","6","1") = "5"
    & skf21("4","1","3","3","4","4","7","1") = "6"
    & skf21("4","1","3","3","4","5","1","1") = "4"
    & skf21("4","1","3","3","4","5","2","1") = "4"
    & skf21("4","1","3","3","4","5","3","1") = "4"
    & skf21("4","1","3","3","4","5","4","1") = "4"
    & skf21("4","1","3","3","4","5","5","1") = "4"
    & skf21("4","1","3","3","4","5","6","1") = "5"
    & skf21("4","1","3","3","4","5","7","1") = "6"
    & skf21("4","1","3","3","4","6","1","1") = "5"
    & skf21("4","1","3","3","4","6","2","1") = "5"
    & skf21("4","1","3","3","4","6","3","1") = "5"
    & skf21("4","1","3","3","4","6","4","1") = "5"
    & skf21("4","1","3","3","4","6","5","1") = "5"
    & skf21("4","1","3","3","4","6","6","1") = "5"
    & skf21("4","1","3","3","4","6","7","1") = "6"
    & skf21("4","1","3","3","4","7","1","1") = "6"
    & skf21("4","1","3","3","4","7","2","1") = "6"
    & skf21("4","1","3","3","4","7","3","1") = "6"
    & skf21("4","1","3","3","4","7","4","1") = "6"
    & skf21("4","1","3","3","4","7","5","1") = "6"
    & skf21("4","1","3","3","4","7","6","1") = "6"
    & skf21("4","1","3","3","4","7","7","1") = "6"
    & skf21("4","1","3","3","5","1","1","1") = "4"
    & skf21("4","1","3","3","5","1","2","1") = "4"
    & skf21("4","1","3","3","5","1","3","1") = "4"
    & skf21("4","1","3","3","5","1","4","1") = "4"
    & skf21("4","1","3","3","5","1","5","1") = "4"
    & skf21("4","1","3","3","5","1","6","1") = "5"
    & skf21("4","1","3","3","5","1","7","1") = "6"
    & skf21("4","1","3","3","5","2","1","1") = "4"
    & skf21("4","1","3","3","5","2","2","1") = "4"
    & skf21("4","1","3","3","5","2","3","1") = "4"
    & skf21("4","1","3","3","5","2","4","1") = "4"
    & skf21("4","1","3","3","5","2","5","1") = "4"
    & skf21("4","1","3","3","5","2","6","1") = "5"
    & skf21("4","1","3","3","5","2","7","1") = "6"
    & skf21("4","1","3","3","5","3","1","1") = "4"
    & skf21("4","1","3","3","5","3","2","1") = "4"
    & skf21("4","1","3","3","5","3","3","1") = "4"
    & skf21("4","1","3","3","5","3","4","1") = "4"
    & skf21("4","1","3","3","5","3","5","1") = "4"
    & skf21("4","1","3","3","5","3","6","1") = "5"
    & skf21("4","1","3","3","5","3","7","1") = "6"
    & skf21("4","1","3","3","5","4","1","1") = "4"
    & skf21("4","1","3","3","5","4","2","1") = "4"
    & skf21("4","1","3","3","5","4","3","1") = "4"
    & skf21("4","1","3","3","5","4","4","1") = "4"
    & skf21("4","1","3","3","5","4","5","1") = "4"
    & skf21("4","1","3","3","5","4","6","1") = "5"
    & skf21("4","1","3","3","5","4","7","1") = "6"
    & skf21("4","1","3","3","5","5","1","1") = "4"
    & skf21("4","1","3","3","5","5","2","1") = "4"
    & skf21("4","1","3","3","5","5","3","1") = "4"
    & skf21("4","1","3","3","5","5","4","1") = "4"
    & skf21("4","1","3","3","5","5","5","1") = "4"
    & skf21("4","1","3","3","5","5","6","1") = "5"
    & skf21("4","1","3","3","5","5","7","1") = "6"
    & skf21("4","1","3","3","5","6","1","1") = "5"
    & skf21("4","1","3","3","5","6","2","1") = "5"
    & skf21("4","1","3","3","5","6","3","1") = "5"
    & skf21("4","1","3","3","5","6","4","1") = "5"
    & skf21("4","1","3","3","5","6","5","1") = "5"
    & skf21("4","1","3","3","5","6","6","1") = "5"
    & skf21("4","1","3","3","5","6","7","1") = "6"
    & skf21("4","1","3","3","5","7","1","1") = "6"
    & skf21("4","1","3","3","5","7","2","1") = "6"
    & skf21("4","1","3","3","5","7","3","1") = "6"
    & skf21("4","1","3","3","5","7","4","1") = "6"
    & skf21("4","1","3","3","5","7","5","1") = "6"
    & skf21("4","1","3","3","5","7","6","1") = "6"
    & skf21("4","1","3","3","5","7","7","1") = "6"
    & skf21("4","1","3","3","6","1","1","1") = "5"
    & skf21("4","1","3","3","6","1","2","1") = "5"
    & skf21("4","1","3","3","6","1","3","1") = "5"
    & skf21("4","1","3","3","6","1","4","1") = "5"
    & skf21("4","1","3","3","6","1","5","1") = "5"
    & skf21("4","1","3","3","6","1","6","1") = "5"
    & skf21("4","1","3","3","6","1","7","1") = "6"
    & skf21("4","1","3","3","6","2","1","1") = "5"
    & skf21("4","1","3","3","6","2","2","1") = "5"
    & skf21("4","1","3","3","6","2","3","1") = "5"
    & skf21("4","1","3","3","6","2","4","1") = "5"
    & skf21("4","1","3","3","6","2","5","1") = "5"
    & skf21("4","1","3","3","6","2","6","1") = "5"
    & skf21("4","1","3","3","6","2","7","1") = "6"
    & skf21("4","1","3","3","6","3","1","1") = "5"
    & skf21("4","1","3","3","6","3","2","1") = "5"
    & skf21("4","1","3","3","6","3","3","1") = "5"
    & skf21("4","1","3","3","6","3","4","1") = "5"
    & skf21("4","1","3","3","6","3","5","1") = "5"
    & skf21("4","1","3","3","6","3","6","1") = "5"
    & skf21("4","1","3","3","6","3","7","1") = "6"
    & skf21("4","1","3","3","6","4","1","1") = "5"
    & skf21("4","1","3","3","6","4","2","1") = "5"
    & skf21("4","1","3","3","6","4","3","1") = "5"
    & skf21("4","1","3","3","6","4","4","1") = "5"
    & skf21("4","1","3","3","6","4","5","1") = "5"
    & skf21("4","1","3","3","6","4","6","1") = "5"
    & skf21("4","1","3","3","6","4","7","1") = "6"
    & skf21("4","1","3","3","6","5","1","1") = "5"
    & skf21("4","1","3","3","6","5","2","1") = "5"
    & skf21("4","1","3","3","6","5","3","1") = "5"
    & skf21("4","1","3","3","6","5","4","1") = "5"
    & skf21("4","1","3","3","6","5","5","1") = "5"
    & skf21("4","1","3","3","6","5","6","1") = "5"
    & skf21("4","1","3","3","6","5","7","1") = "6"
    & skf21("4","1","3","3","6","6","1","1") = "5"
    & skf21("4","1","3","3","6","6","2","1") = "5"
    & skf21("4","1","3","3","6","6","3","1") = "5"
    & skf21("4","1","3","3","6","6","4","1") = "5"
    & skf21("4","1","3","3","6","6","5","1") = "5"
    & skf21("4","1","3","3","6","6","6","1") = "5"
    & skf21("4","1","3","3","6","6","7","1") = "6"
    & skf21("4","1","3","3","6","7","1","1") = "6"
    & skf21("4","1","3","3","6","7","2","1") = "6"
    & skf21("4","1","3","3","6","7","3","1") = "6"
    & skf21("4","1","3","3","6","7","4","1") = "6"
    & skf21("4","1","3","3","6","7","5","1") = "6"
    & skf21("4","1","3","3","6","7","6","1") = "6"
    & skf21("4","1","3","3","6","7","7","1") = "6"
    & skf21("4","1","3","3","7","1","1","1") = "6"
    & skf21("4","1","3","3","7","1","2","1") = "6"
    & skf21("4","1","3","3","7","1","3","1") = "6"
    & skf21("4","1","3","3","7","1","4","1") = "6"
    & skf21("4","1","3","3","7","1","5","1") = "6"
    & skf21("4","1","3","3","7","1","6","1") = "6"
    & skf21("4","1","3","3","7","1","7","1") = "6"
    & skf21("4","1","3","3","7","2","1","1") = "6"
    & skf21("4","1","3","3","7","2","2","1") = "6"
    & skf21("4","1","3","3","7","2","3","1") = "6"
    & skf21("4","1","3","3","7","2","4","1") = "6"
    & skf21("4","1","3","3","7","2","5","1") = "6"
    & skf21("4","1","3","3","7","2","6","1") = "6"
    & skf21("4","1","3","3","7","2","7","1") = "6"
    & skf21("4","1","3","3","7","3","1","1") = "6"
    & skf21("4","1","3","3","7","3","2","1") = "6"
    & skf21("4","1","3","3","7","3","3","1") = "6"
    & skf21("4","1","3","3","7","3","4","1") = "6"
    & skf21("4","1","3","3","7","3","5","1") = "6"
    & skf21("4","1","3","3","7","3","6","1") = "6"
    & skf21("4","1","3","3","7","3","7","1") = "6"
    & skf21("4","1","3","3","7","4","1","1") = "6"
    & skf21("4","1","3","3","7","4","2","1") = "6"
    & skf21("4","1","3","3","7","4","3","1") = "6"
    & skf21("4","1","3","3","7","4","4","1") = "6"
    & skf21("4","1","3","3","7","4","5","1") = "6"
    & skf21("4","1","3","3","7","4","6","1") = "6"
    & skf21("4","1","3","3","7","4","7","1") = "6"
    & skf21("4","1","3","3","7","5","1","1") = "6"
    & skf21("4","1","3","3","7","5","2","1") = "6"
    & skf21("4","1","3","3","7","5","3","1") = "6"
    & skf21("4","1","3","3","7","5","4","1") = "6"
    & skf21("4","1","3","3","7","5","5","1") = "6"
    & skf21("4","1","3","3","7","5","6","1") = "6"
    & skf21("4","1","3","3","7","5","7","1") = "6"
    & skf21("4","1","3","3","7","6","1","1") = "6"
    & skf21("4","1","3","3","7","6","2","1") = "6"
    & skf21("4","1","3","3","7","6","3","1") = "6"
    & skf21("4","1","3","3","7","6","4","1") = "6"
    & skf21("4","1","3","3","7","6","5","1") = "6"
    & skf21("4","1","3","3","7","6","6","1") = "6"
    & skf21("4","1","3","3","7","6","7","1") = "6"
    & skf21("4","1","3","3","7","7","1","1") = "6"
    & skf21("4","1","3","3","7","7","2","1") = "6"
    & skf21("4","1","3","3","7","7","3","1") = "6"
    & skf21("4","1","3","3","7","7","4","1") = "6"
    & skf21("4","1","3","3","7","7","5","1") = "6"
    & skf21("4","1","3","3","7","7","6","1") = "6"
    & skf21("4","1","3","3","7","7","7","1") = "6"
    & skf21("4","1","3","4","1","1","1","1") = "3"
    & skf21("4","1","3","4","1","1","2","1") = "3"
    & skf21("4","1","3","4","1","1","3","1") = "3"
    & skf21("4","1","3","4","1","1","4","1") = "3"
    & skf21("4","1","3","4","1","1","5","1") = "4"
    & skf21("4","1","3","4","1","1","6","1") = "5"
    & skf21("4","1","3","4","1","1","7","1") = "6"
    & skf21("4","1","3","4","1","2","1","1") = "3"
    & skf21("4","1","3","4","1","2","2","1") = "3"
    & skf21("4","1","3","4","1","2","3","1") = "3"
    & skf21("4","1","3","4","1","2","4","1") = "3"
    & skf21("4","1","3","4","1","2","5","1") = "4"
    & skf21("4","1","3","4","1","2","6","1") = "5"
    & skf21("4","1","3","4","1","2","7","1") = "6"
    & skf21("4","1","3","4","1","3","1","1") = "3"
    & skf21("4","1","3","4","1","3","2","1") = "3"
    & skf21("4","1","3","4","1","3","3","1") = "3"
    & skf21("4","1","3","4","1","3","4","1") = "3"
    & skf21("4","1","3","4","1","3","5","1") = "4"
    & skf21("4","1","3","4","1","3","6","1") = "5"
    & skf21("4","1","3","4","1","3","7","1") = "6"
    & skf21("4","1","3","4","1","4","1","1") = "3"
    & skf21("4","1","3","4","1","4","2","1") = "3"
    & skf21("4","1","3","4","1","4","3","1") = "3"
    & skf21("4","1","3","4","1","4","4","1") = "3"
    & skf21("4","1","3","4","1","4","5","1") = "4"
    & skf21("4","1","3","4","1","4","6","1") = "5"
    & skf21("4","1","3","4","1","4","7","1") = "6"
    & skf21("4","1","3","4","1","5","1","1") = "4"
    & skf21("4","1","3","4","1","5","2","1") = "4"
    & skf21("4","1","3","4","1","5","3","1") = "4"
    & skf21("4","1","3","4","1","5","4","1") = "4"
    & skf21("4","1","3","4","1","5","5","1") = "4"
    & skf21("4","1","3","4","1","5","6","1") = "5"
    & skf21("4","1","3","4","1","5","7","1") = "6"
    & skf21("4","1","3","4","1","6","1","1") = "5"
    & skf21("4","1","3","4","1","6","2","1") = "5"
    & skf21("4","1","3","4","1","6","3","1") = "5"
    & skf21("4","1","3","4","1","6","4","1") = "5"
    & skf21("4","1","3","4","1","6","5","1") = "5"
    & skf21("4","1","3","4","1","6","6","1") = "5"
    & skf21("4","1","3","4","1","6","7","1") = "6"
    & skf21("4","1","3","4","1","7","1","1") = "6"
    & skf21("4","1","3","4","1","7","2","1") = "6"
    & skf21("4","1","3","4","1","7","3","1") = "6"
    & skf21("4","1","3","4","1","7","4","1") = "6"
    & skf21("4","1","3","4","1","7","5","1") = "6"
    & skf21("4","1","3","4","1","7","6","1") = "6"
    & skf21("4","1","3","4","1","7","7","1") = "6"
    & skf21("4","1","3","4","2","1","1","1") = "3"
    & skf21("4","1","3","4","2","1","2","1") = "3"
    & skf21("4","1","3","4","2","1","3","1") = "3"
    & skf21("4","1","3","4","2","1","4","1") = "3"
    & skf21("4","1","3","4","2","1","5","1") = "4"
    & skf21("4","1","3","4","2","1","6","1") = "5"
    & skf21("4","1","3","4","2","1","7","1") = "6"
    & skf21("4","1","3","4","2","2","1","1") = "3"
    & skf21("4","1","3","4","2","2","2","1") = "3"
    & skf21("4","1","3","4","2","2","3","1") = "3"
    & skf21("4","1","3","4","2","2","4","1") = "3"
    & skf21("4","1","3","4","2","2","5","1") = "4"
    & skf21("4","1","3","4","2","2","6","1") = "5"
    & skf21("4","1","3","4","2","2","7","1") = "6"
    & skf21("4","1","3","4","2","3","1","1") = "3"
    & skf21("4","1","3","4","2","3","2","1") = "3"
    & skf21("4","1","3","4","2","3","3","1") = "3"
    & skf21("4","1","3","4","2","3","4","1") = "3"
    & skf21("4","1","3","4","2","3","5","1") = "4"
    & skf21("4","1","3","4","2","3","6","1") = "5"
    & skf21("4","1","3","4","2","3","7","1") = "6"
    & skf21("4","1","3","4","2","4","1","1") = "3"
    & skf21("4","1","3","4","2","4","2","1") = "3"
    & skf21("4","1","3","4","2","4","3","1") = "3"
    & skf21("4","1","3","4","2","4","4","1") = "3"
    & skf21("4","1","3","4","2","4","5","1") = "4"
    & skf21("4","1","3","4","2","4","6","1") = "5"
    & skf21("4","1","3","4","2","4","7","1") = "6"
    & skf21("4","1","3","4","2","5","1","1") = "4"
    & skf21("4","1","3","4","2","5","2","1") = "4"
    & skf21("4","1","3","4","2","5","3","1") = "4"
    & skf21("4","1","3","4","2","5","4","1") = "4"
    & skf21("4","1","3","4","2","5","5","1") = "4"
    & skf21("4","1","3","4","2","5","6","1") = "5"
    & skf21("4","1","3","4","2","5","7","1") = "6"
    & skf21("4","1","3","4","2","6","1","1") = "5"
    & skf21("4","1","3","4","2","6","2","1") = "5"
    & skf21("4","1","3","4","2","6","3","1") = "5"
    & skf21("4","1","3","4","2","6","4","1") = "5"
    & skf21("4","1","3","4","2","6","5","1") = "5"
    & skf21("4","1","3","4","2","6","6","1") = "5"
    & skf21("4","1","3","4","2","6","7","1") = "6"
    & skf21("4","1","3","4","2","7","1","1") = "6"
    & skf21("4","1","3","4","2","7","2","1") = "6"
    & skf21("4","1","3","4","2","7","3","1") = "6"
    & skf21("4","1","3","4","2","7","4","1") = "6"
    & skf21("4","1","3","4","2","7","5","1") = "6"
    & skf21("4","1","3","4","2","7","6","1") = "6"
    & skf21("4","1","3","4","2","7","7","1") = "6"
    & skf21("4","1","3","4","3","1","1","1") = "3"
    & skf21("4","1","3","4","3","1","2","1") = "3"
    & skf21("4","1","3","4","3","1","3","1") = "3"
    & skf21("4","1","3","4","3","1","4","1") = "3"
    & skf21("4","1","3","4","3","1","5","1") = "4"
    & skf21("4","1","3","4","3","1","6","1") = "5"
    & skf21("4","1","3","4","3","1","7","1") = "6"
    & skf21("4","1","3","4","3","2","1","1") = "3"
    & skf21("4","1","3","4","3","2","2","1") = "3"
    & skf21("4","1","3","4","3","2","3","1") = "3"
    & skf21("4","1","3","4","3","2","4","1") = "3"
    & skf21("4","1","3","4","3","2","5","1") = "4"
    & skf21("4","1","3","4","3","2","6","1") = "5"
    & skf21("4","1","3","4","3","2","7","1") = "6"
    & skf21("4","1","3","4","3","3","1","1") = "3"
    & skf21("4","1","3","4","3","3","2","1") = "3"
    & skf21("4","1","3","4","3","3","3","1") = "3"
    & skf21("4","1","3","4","3","3","4","1") = "3"
    & skf21("4","1","3","4","3","3","5","1") = "4"
    & skf21("4","1","3","4","3","3","6","1") = "5"
    & skf21("4","1","3","4","3","3","7","1") = "6"
    & skf21("4","1","3","4","3","4","1","1") = "3"
    & skf21("4","1","3","4","3","4","2","1") = "3"
    & skf21("4","1","3","4","3","4","3","1") = "3"
    & skf21("4","1","3","4","3","4","4","1") = "3"
    & skf21("4","1","3","4","3","4","5","1") = "4"
    & skf21("4","1","3","4","3","4","6","1") = "5"
    & skf21("4","1","3","4","3","4","7","1") = "6"
    & skf21("4","1","3","4","3","5","1","1") = "4"
    & skf21("4","1","3","4","3","5","2","1") = "4"
    & skf21("4","1","3","4","3","5","3","1") = "4"
    & skf21("4","1","3","4","3","5","4","1") = "4"
    & skf21("4","1","3","4","3","5","5","1") = "4"
    & skf21("4","1","3","4","3","5","6","1") = "5"
    & skf21("4","1","3","4","3","5","7","1") = "6"
    & skf21("4","1","3","4","3","6","1","1") = "5"
    & skf21("4","1","3","4","3","6","2","1") = "5"
    & skf21("4","1","3","4","3","6","3","1") = "5"
    & skf21("4","1","3","4","3","6","4","1") = "5"
    & skf21("4","1","3","4","3","6","5","1") = "5"
    & skf21("4","1","3","4","3","6","6","1") = "5"
    & skf21("4","1","3","4","3","6","7","1") = "6"
    & skf21("4","1","3","4","3","7","1","1") = "6"
    & skf21("4","1","3","4","3","7","2","1") = "6"
    & skf21("4","1","3","4","3","7","3","1") = "6"
    & skf21("4","1","3","4","3","7","4","1") = "6"
    & skf21("4","1","3","4","3","7","5","1") = "6"
    & skf21("4","1","3","4","3","7","6","1") = "6"
    & skf21("4","1","3","4","3","7","7","1") = "6"
    & skf21("4","1","3","4","4","1","1","1") = "3"
    & skf21("4","1","3","4","4","1","2","1") = "3"
    & skf21("4","1","3","4","4","1","3","1") = "3"
    & skf21("4","1","3","4","4","1","4","1") = "3"
    & skf21("4","1","3","4","4","1","5","1") = "4"
    & skf21("4","1","3","4","4","1","6","1") = "5"
    & skf21("4","1","3","4","4","1","7","1") = "6"
    & skf21("4","1","3","4","4","2","1","1") = "3"
    & skf21("4","1","3","4","4","2","2","1") = "3"
    & skf21("4","1","3","4","4","2","3","1") = "3"
    & skf21("4","1","3","4","4","2","4","1") = "3"
    & skf21("4","1","3","4","4","2","5","1") = "4"
    & skf21("4","1","3","4","4","2","6","1") = "5"
    & skf21("4","1","3","4","4","2","7","1") = "6"
    & skf21("4","1","3","4","4","3","1","1") = "3"
    & skf21("4","1","3","4","4","3","2","1") = "3"
    & skf21("4","1","3","4","4","3","3","1") = "3"
    & skf21("4","1","3","4","4","3","4","1") = "3"
    & skf21("4","1","3","4","4","3","5","1") = "4"
    & skf21("4","1","3","4","4","3","6","1") = "5"
    & skf21("4","1","3","4","4","3","7","1") = "6"
    & skf21("4","1","3","4","4","4","1","1") = "3"
    & skf21("4","1","3","4","4","4","2","1") = "3"
    & skf21("4","1","3","4","4","4","3","1") = "3"
    & skf21("4","1","3","4","4","4","4","1") = "3"
    & skf21("4","1","3","4","4","4","5","1") = "4"
    & skf21("4","1","3","4","4","4","6","1") = "5"
    & skf21("4","1","3","4","4","4","7","1") = "6"
    & skf21("4","1","3","4","4","5","1","1") = "4"
    & skf21("4","1","3","4","4","5","2","1") = "4"
    & skf21("4","1","3","4","4","5","3","1") = "4"
    & skf21("4","1","3","4","4","5","4","1") = "4"
    & skf21("4","1","3","4","4","5","5","1") = "4"
    & skf21("4","1","3","4","4","5","6","1") = "5"
    & skf21("4","1","3","4","4","5","7","1") = "6"
    & skf21("4","1","3","4","4","6","1","1") = "5"
    & skf21("4","1","3","4","4","6","2","1") = "5"
    & skf21("4","1","3","4","4","6","3","1") = "5"
    & skf21("4","1","3","4","4","6","4","1") = "5"
    & skf21("4","1","3","4","4","6","5","1") = "5"
    & skf21("4","1","3","4","4","6","6","1") = "5"
    & skf21("4","1","3","4","4","6","7","1") = "6"
    & skf21("4","1","3","4","4","7","1","1") = "6"
    & skf21("4","1","3","4","4","7","2","1") = "6"
    & skf21("4","1","3","4","4","7","3","1") = "6"
    & skf21("4","1","3","4","4","7","4","1") = "6"
    & skf21("4","1","3","4","4","7","5","1") = "6"
    & skf21("4","1","3","4","4","7","6","1") = "6"
    & skf21("4","1","3","4","4","7","7","1") = "6"
    & skf21("4","1","3","4","5","1","1","1") = "4"
    & skf21("4","1","3","4","5","1","2","1") = "4"
    & skf21("4","1","3","4","5","1","3","1") = "4"
    & skf21("4","1","3","4","5","1","4","1") = "4"
    & skf21("4","1","3","4","5","1","5","1") = "4"
    & skf21("4","1","3","4","5","1","6","1") = "5"
    & skf21("4","1","3","4","5","1","7","1") = "6"
    & skf21("4","1","3","4","5","2","1","1") = "4"
    & skf21("4","1","3","4","5","2","2","1") = "4"
    & skf21("4","1","3","4","5","2","3","1") = "4"
    & skf21("4","1","3","4","5","2","4","1") = "4"
    & skf21("4","1","3","4","5","2","5","1") = "4"
    & skf21("4","1","3","4","5","2","6","1") = "5"
    & skf21("4","1","3","4","5","2","7","1") = "6"
    & skf21("4","1","3","4","5","3","1","1") = "4"
    & skf21("4","1","3","4","5","3","2","1") = "4"
    & skf21("4","1","3","4","5","3","3","1") = "4"
    & skf21("4","1","3","4","5","3","4","1") = "4"
    & skf21("4","1","3","4","5","3","5","1") = "4"
    & skf21("4","1","3","4","5","3","6","1") = "5"
    & skf21("4","1","3","4","5","3","7","1") = "6"
    & skf21("4","1","3","4","5","4","1","1") = "4"
    & skf21("4","1","3","4","5","4","2","1") = "4"
    & skf21("4","1","3","4","5","4","3","1") = "4"
    & skf21("4","1","3","4","5","4","4","1") = "4"
    & skf21("4","1","3","4","5","4","5","1") = "4"
    & skf21("4","1","3","4","5","4","6","1") = "5"
    & skf21("4","1","3","4","5","4","7","1") = "6"
    & skf21("4","1","3","4","5","5","1","1") = "4"
    & skf21("4","1","3","4","5","5","2","1") = "4"
    & skf21("4","1","3","4","5","5","3","1") = "4"
    & skf21("4","1","3","4","5","5","4","1") = "4"
    & skf21("4","1","3","4","5","5","5","1") = "4"
    & skf21("4","1","3","4","5","5","6","1") = "5"
    & skf21("4","1","3","4","5","5","7","1") = "6"
    & skf21("4","1","3","4","5","6","1","1") = "5"
    & skf21("4","1","3","4","5","6","2","1") = "5"
    & skf21("4","1","3","4","5","6","3","1") = "5"
    & skf21("4","1","3","4","5","6","4","1") = "5"
    & skf21("4","1","3","4","5","6","5","1") = "5"
    & skf21("4","1","3","4","5","6","6","1") = "5"
    & skf21("4","1","3","4","5","6","7","1") = "6"
    & skf21("4","1","3","4","5","7","1","1") = "6"
    & skf21("4","1","3","4","5","7","2","1") = "6"
    & skf21("4","1","3","4","5","7","3","1") = "6"
    & skf21("4","1","3","4","5","7","4","1") = "6"
    & skf21("4","1","3","4","5","7","5","1") = "6"
    & skf21("4","1","3","4","5","7","6","1") = "6"
    & skf21("4","1","3","4","5","7","7","1") = "6"
    & skf21("4","1","3","4","6","1","1","1") = "5"
    & skf21("4","1","3","4","6","1","2","1") = "5"
    & skf21("4","1","3","4","6","1","3","1") = "5"
    & skf21("4","1","3","4","6","1","4","1") = "5"
    & skf21("4","1","3","4","6","1","5","1") = "5"
    & skf21("4","1","3","4","6","1","6","1") = "5"
    & skf21("4","1","3","4","6","1","7","1") = "6"
    & skf21("4","1","3","4","6","2","1","1") = "5"
    & skf21("4","1","3","4","6","2","2","1") = "5"
    & skf21("4","1","3","4","6","2","3","1") = "5"
    & skf21("4","1","3","4","6","2","4","1") = "5"
    & skf21("4","1","3","4","6","2","5","1") = "5"
    & skf21("4","1","3","4","6","2","6","1") = "5"
    & skf21("4","1","3","4","6","2","7","1") = "6"
    & skf21("4","1","3","4","6","3","1","1") = "5"
    & skf21("4","1","3","4","6","3","2","1") = "5"
    & skf21("4","1","3","4","6","3","3","1") = "5"
    & skf21("4","1","3","4","6","3","4","1") = "5"
    & skf21("4","1","3","4","6","3","5","1") = "5"
    & skf21("4","1","3","4","6","3","6","1") = "5"
    & skf21("4","1","3","4","6","3","7","1") = "6"
    & skf21("4","1","3","4","6","4","1","1") = "5"
    & skf21("4","1","3","4","6","4","2","1") = "5"
    & skf21("4","1","3","4","6","4","3","1") = "5"
    & skf21("4","1","3","4","6","4","4","1") = "5"
    & skf21("4","1","3","4","6","4","5","1") = "5"
    & skf21("4","1","3","4","6","4","6","1") = "5"
    & skf21("4","1","3","4","6","4","7","1") = "6"
    & skf21("4","1","3","4","6","5","1","1") = "5"
    & skf21("4","1","3","4","6","5","2","1") = "5"
    & skf21("4","1","3","4","6","5","3","1") = "5"
    & skf21("4","1","3","4","6","5","4","1") = "5"
    & skf21("4","1","3","4","6","5","5","1") = "5"
    & skf21("4","1","3","4","6","5","6","1") = "5"
    & skf21("4","1","3","4","6","5","7","1") = "6"
    & skf21("4","1","3","4","6","6","1","1") = "5"
    & skf21("4","1","3","4","6","6","2","1") = "5"
    & skf21("4","1","3","4","6","6","3","1") = "5"
    & skf21("4","1","3","4","6","6","4","1") = "5"
    & skf21("4","1","3","4","6","6","5","1") = "5"
    & skf21("4","1","3","4","6","6","6","1") = "5"
    & skf21("4","1","3","4","6","6","7","1") = "6"
    & skf21("4","1","3","4","6","7","1","1") = "6"
    & skf21("4","1","3","4","6","7","2","1") = "6"
    & skf21("4","1","3","4","6","7","3","1") = "6"
    & skf21("4","1","3","4","6","7","4","1") = "6"
    & skf21("4","1","3","4","6","7","5","1") = "6"
    & skf21("4","1","3","4","6","7","6","1") = "6"
    & skf21("4","1","3","4","6","7","7","1") = "6"
    & skf21("4","1","3","4","7","1","1","1") = "6"
    & skf21("4","1","3","4","7","1","2","1") = "6"
    & skf21("4","1","3","4","7","1","3","1") = "6"
    & skf21("4","1","3","4","7","1","4","1") = "6"
    & skf21("4","1","3","4","7","1","5","1") = "6"
    & skf21("4","1","3","4","7","1","6","1") = "6"
    & skf21("4","1","3","4","7","1","7","1") = "6"
    & skf21("4","1","3","4","7","2","1","1") = "6"
    & skf21("4","1","3","4","7","2","2","1") = "6"
    & skf21("4","1","3","4","7","2","3","1") = "6"
    & skf21("4","1","3","4","7","2","4","1") = "6"
    & skf21("4","1","3","4","7","2","5","1") = "6"
    & skf21("4","1","3","4","7","2","6","1") = "6"
    & skf21("4","1","3","4","7","2","7","1") = "6"
    & skf21("4","1","3","4","7","3","1","1") = "6"
    & skf21("4","1","3","4","7","3","2","1") = "6"
    & skf21("4","1","3","4","7","3","3","1") = "6"
    & skf21("4","1","3","4","7","3","4","1") = "6"
    & skf21("4","1","3","4","7","3","5","1") = "6"
    & skf21("4","1","3","4","7","3","6","1") = "6"
    & skf21("4","1","3","4","7","3","7","1") = "6"
    & skf21("4","1","3","4","7","4","1","1") = "6"
    & skf21("4","1","3","4","7","4","2","1") = "6"
    & skf21("4","1","3","4","7","4","3","1") = "6"
    & skf21("4","1","3","4","7","4","4","1") = "6"
    & skf21("4","1","3","4","7","4","5","1") = "6"
    & skf21("4","1","3","4","7","4","6","1") = "6"
    & skf21("4","1","3","4","7","4","7","1") = "6"
    & skf21("4","1","3","4","7","5","1","1") = "6"
    & skf21("4","1","3","4","7","5","2","1") = "6"
    & skf21("4","1","3","4","7","5","3","1") = "6"
    & skf21("4","1","3","4","7","5","4","1") = "6"
    & skf21("4","1","3","4","7","5","5","1") = "6"
    & skf21("4","1","3","4","7","5","6","1") = "6"
    & skf21("4","1","3","4","7","5","7","1") = "6"
    & skf21("4","1","3","4","7","6","1","1") = "6"
    & skf21("4","1","3","4","7","6","2","1") = "6"
    & skf21("4","1","3","4","7","6","3","1") = "6"
    & skf21("4","1","3","4","7","6","4","1") = "6"
    & skf21("4","1","3","4","7","6","5","1") = "6"
    & skf21("4","1","3","4","7","6","6","1") = "6"
    & skf21("4","1","3","4","7","6","7","1") = "6"
    & skf21("4","1","3","4","7","7","1","1") = "6"
    & skf21("4","1","3","4","7","7","2","1") = "6"
    & skf21("4","1","3","4","7","7","3","1") = "6"
    & skf21("4","1","3","4","7","7","4","1") = "6"
    & skf21("4","1","3","4","7","7","5","1") = "6"
    & skf21("4","1","3","4","7","7","6","1") = "6"
    & skf21("4","1","3","4","7","7","7","1") = "6"
    & skf21("4","1","3","5","1","1","1","1") = "4"
    & skf21("4","1","3","5","1","1","2","1") = "4"
    & skf21("4","1","3","5","1","1","3","1") = "4"
    & skf21("4","1","3","5","1","1","4","1") = "4"
    & skf21("4","1","3","5","1","1","5","1") = "4"
    & skf21("4","1","3","5","1","1","6","1") = "5"
    & skf21("4","1","3","5","1","1","7","1") = "6"
    & skf21("4","1","3","5","1","2","1","1") = "4"
    & skf21("4","1","3","5","1","2","2","1") = "4"
    & skf21("4","1","3","5","1","2","3","1") = "4"
    & skf21("4","1","3","5","1","2","4","1") = "4"
    & skf21("4","1","3","5","1","2","5","1") = "4"
    & skf21("4","1","3","5","1","2","6","1") = "5"
    & skf21("4","1","3","5","1","2","7","1") = "6"
    & skf21("4","1","3","5","1","3","1","1") = "4"
    & skf21("4","1","3","5","1","3","2","1") = "4"
    & skf21("4","1","3","5","1","3","3","1") = "4"
    & skf21("4","1","3","5","1","3","4","1") = "4"
    & skf21("4","1","3","5","1","3","5","1") = "4"
    & skf21("4","1","3","5","1","3","6","1") = "5"
    & skf21("4","1","3","5","1","3","7","1") = "6"
    & skf21("4","1","3","5","1","4","1","1") = "4"
    & skf21("4","1","3","5","1","4","2","1") = "4"
    & skf21("4","1","3","5","1","4","3","1") = "4"
    & skf21("4","1","3","5","1","4","4","1") = "4"
    & skf21("4","1","3","5","1","4","5","1") = "4"
    & skf21("4","1","3","5","1","4","6","1") = "5"
    & skf21("4","1","3","5","1","4","7","1") = "6"
    & skf21("4","1","3","5","1","5","1","1") = "4"
    & skf21("4","1","3","5","1","5","2","1") = "4"
    & skf21("4","1","3","5","1","5","3","1") = "4"
    & skf21("4","1","3","5","1","5","4","1") = "4"
    & skf21("4","1","3","5","1","5","5","1") = "4"
    & skf21("4","1","3","5","1","5","6","1") = "5"
    & skf21("4","1","3","5","1","5","7","1") = "6"
    & skf21("4","1","3","5","1","6","1","1") = "5"
    & skf21("4","1","3","5","1","6","2","1") = "5"
    & skf21("4","1","3","5","1","6","3","1") = "5"
    & skf21("4","1","3","5","1","6","4","1") = "5"
    & skf21("4","1","3","5","1","6","5","1") = "5"
    & skf21("4","1","3","5","1","6","6","1") = "5"
    & skf21("4","1","3","5","1","6","7","1") = "6"
    & skf21("4","1","3","5","1","7","1","1") = "6"
    & skf21("4","1","3","5","1","7","2","1") = "6"
    & skf21("4","1","3","5","1","7","3","1") = "6"
    & skf21("4","1","3","5","1","7","4","1") = "6"
    & skf21("4","1","3","5","1","7","5","1") = "6"
    & skf21("4","1","3","5","1","7","6","1") = "6"
    & skf21("4","1","3","5","1","7","7","1") = "6"
    & skf21("4","1","3","5","2","1","1","1") = "4"
    & skf21("4","1","3","5","2","1","2","1") = "4"
    & skf21("4","1","3","5","2","1","3","1") = "4"
    & skf21("4","1","3","5","2","1","4","1") = "4"
    & skf21("4","1","3","5","2","1","5","1") = "4"
    & skf21("4","1","3","5","2","1","6","1") = "5"
    & skf21("4","1","3","5","2","1","7","1") = "6"
    & skf21("4","1","3","5","2","2","1","1") = "4"
    & skf21("4","1","3","5","2","2","2","1") = "4"
    & skf21("4","1","3","5","2","2","3","1") = "4"
    & skf21("4","1","3","5","2","2","4","1") = "4"
    & skf21("4","1","3","5","2","2","5","1") = "4"
    & skf21("4","1","3","5","2","2","6","1") = "5"
    & skf21("4","1","3","5","2","2","7","1") = "6"
    & skf21("4","1","3","5","2","3","1","1") = "4"
    & skf21("4","1","3","5","2","3","2","1") = "4"
    & skf21("4","1","3","5","2","3","3","1") = "4"
    & skf21("4","1","3","5","2","3","4","1") = "4"
    & skf21("4","1","3","5","2","3","5","1") = "4"
    & skf21("4","1","3","5","2","3","6","1") = "5"
    & skf21("4","1","3","5","2","3","7","1") = "6"
    & skf21("4","1","3","5","2","4","1","1") = "4"
    & skf21("4","1","3","5","2","4","2","1") = "4"
    & skf21("4","1","3","5","2","4","3","1") = "4"
    & skf21("4","1","3","5","2","4","4","1") = "4"
    & skf21("4","1","3","5","2","4","5","1") = "4"
    & skf21("4","1","3","5","2","4","6","1") = "5"
    & skf21("4","1","3","5","2","4","7","1") = "6"
    & skf21("4","1","3","5","2","5","1","1") = "4"
    & skf21("4","1","3","5","2","5","2","1") = "4"
    & skf21("4","1","3","5","2","5","3","1") = "4"
    & skf21("4","1","3","5","2","5","4","1") = "4"
    & skf21("4","1","3","5","2","5","5","1") = "4"
    & skf21("4","1","3","5","2","5","6","1") = "5"
    & skf21("4","1","3","5","2","5","7","1") = "6"
    & skf21("4","1","3","5","2","6","1","1") = "5"
    & skf21("4","1","3","5","2","6","2","1") = "5"
    & skf21("4","1","3","5","2","6","3","1") = "5"
    & skf21("4","1","3","5","2","6","4","1") = "5"
    & skf21("4","1","3","5","2","6","5","1") = "5"
    & skf21("4","1","3","5","2","6","6","1") = "5"
    & skf21("4","1","3","5","2","6","7","1") = "6"
    & skf21("4","1","3","5","2","7","1","1") = "6"
    & skf21("4","1","3","5","2","7","2","1") = "6"
    & skf21("4","1","3","5","2","7","3","1") = "6"
    & skf21("4","1","3","5","2","7","4","1") = "6"
    & skf21("4","1","3","5","2","7","5","1") = "6"
    & skf21("4","1","3","5","2","7","6","1") = "6"
    & skf21("4","1","3","5","2","7","7","1") = "6"
    & skf21("4","1","3","5","3","1","1","1") = "4"
    & skf21("4","1","3","5","3","1","2","1") = "4"
    & skf21("4","1","3","5","3","1","3","1") = "4"
    & skf21("4","1","3","5","3","1","4","1") = "4"
    & skf21("4","1","3","5","3","1","5","1") = "4"
    & skf21("4","1","3","5","3","1","6","1") = "5"
    & skf21("4","1","3","5","3","1","7","1") = "6"
    & skf21("4","1","3","5","3","2","1","1") = "4"
    & skf21("4","1","3","5","3","2","2","1") = "4"
    & skf21("4","1","3","5","3","2","3","1") = "4"
    & skf21("4","1","3","5","3","2","4","1") = "4"
    & skf21("4","1","3","5","3","2","5","1") = "4"
    & skf21("4","1","3","5","3","2","6","1") = "5"
    & skf21("4","1","3","5","3","2","7","1") = "6"
    & skf21("4","1","3","5","3","3","1","1") = "4"
    & skf21("4","1","3","5","3","3","2","1") = "4"
    & skf21("4","1","3","5","3","3","3","1") = "4"
    & skf21("4","1","3","5","3","3","4","1") = "4"
    & skf21("4","1","3","5","3","3","5","1") = "4"
    & skf21("4","1","3","5","3","3","6","1") = "5"
    & skf21("4","1","3","5","3","3","7","1") = "6"
    & skf21("4","1","3","5","3","4","1","1") = "4"
    & skf21("4","1","3","5","3","4","2","1") = "4"
    & skf21("4","1","3","5","3","4","3","1") = "4"
    & skf21("4","1","3","5","3","4","4","1") = "4"
    & skf21("4","1","3","5","3","4","5","1") = "4"
    & skf21("4","1","3","5","3","4","6","1") = "5"
    & skf21("4","1","3","5","3","4","7","1") = "6"
    & skf21("4","1","3","5","3","5","1","1") = "4"
    & skf21("4","1","3","5","3","5","2","1") = "4"
    & skf21("4","1","3","5","3","5","3","1") = "4"
    & skf21("4","1","3","5","3","5","4","1") = "4"
    & skf21("4","1","3","5","3","5","5","1") = "4"
    & skf21("4","1","3","5","3","5","6","1") = "5"
    & skf21("4","1","3","5","3","5","7","1") = "6"
    & skf21("4","1","3","5","3","6","1","1") = "5"
    & skf21("4","1","3","5","3","6","2","1") = "5"
    & skf21("4","1","3","5","3","6","3","1") = "5"
    & skf21("4","1","3","5","3","6","4","1") = "5"
    & skf21("4","1","3","5","3","6","5","1") = "5"
    & skf21("4","1","3","5","3","6","6","1") = "5"
    & skf21("4","1","3","5","3","6","7","1") = "6"
    & skf21("4","1","3","5","3","7","1","1") = "6"
    & skf21("4","1","3","5","3","7","2","1") = "6"
    & skf21("4","1","3","5","3","7","3","1") = "6"
    & skf21("4","1","3","5","3","7","4","1") = "6"
    & skf21("4","1","3","5","3","7","5","1") = "6"
    & skf21("4","1","3","5","3","7","6","1") = "6"
    & skf21("4","1","3","5","3","7","7","1") = "6"
    & skf21("4","1","3","5","4","1","1","1") = "4"
    & skf21("4","1","3","5","4","1","2","1") = "4"
    & skf21("4","1","3","5","4","1","3","1") = "4"
    & skf21("4","1","3","5","4","1","4","1") = "4"
    & skf21("4","1","3","5","4","1","5","1") = "4"
    & skf21("4","1","3","5","4","1","6","1") = "5"
    & skf21("4","1","3","5","4","1","7","1") = "6"
    & skf21("4","1","3","5","4","2","1","1") = "4"
    & skf21("4","1","3","5","4","2","2","1") = "4"
    & skf21("4","1","3","5","4","2","3","1") = "4"
    & skf21("4","1","3","5","4","2","4","1") = "4"
    & skf21("4","1","3","5","4","2","5","1") = "4"
    & skf21("4","1","3","5","4","2","6","1") = "5"
    & skf21("4","1","3","5","4","2","7","1") = "6"
    & skf21("4","1","3","5","4","3","1","1") = "4"
    & skf21("4","1","3","5","4","3","2","1") = "4"
    & skf21("4","1","3","5","4","3","3","1") = "4"
    & skf21("4","1","3","5","4","3","4","1") = "4"
    & skf21("4","1","3","5","4","3","5","1") = "4"
    & skf21("4","1","3","5","4","3","6","1") = "5"
    & skf21("4","1","3","5","4","3","7","1") = "6"
    & skf21("4","1","3","5","4","4","1","1") = "4"
    & skf21("4","1","3","5","4","4","2","1") = "4"
    & skf21("4","1","3","5","4","4","3","1") = "4"
    & skf21("4","1","3","5","4","4","4","1") = "4"
    & skf21("4","1","3","5","4","4","5","1") = "4"
    & skf21("4","1","3","5","4","4","6","1") = "5"
    & skf21("4","1","3","5","4","4","7","1") = "6"
    & skf21("4","1","3","5","4","5","1","1") = "4"
    & skf21("4","1","3","5","4","5","2","1") = "4"
    & skf21("4","1","3","5","4","5","3","1") = "4"
    & skf21("4","1","3","5","4","5","4","1") = "4"
    & skf21("4","1","3","5","4","5","5","1") = "4"
    & skf21("4","1","3","5","4","5","6","1") = "5"
    & skf21("4","1","3","5","4","5","7","1") = "6"
    & skf21("4","1","3","5","4","6","1","1") = "5"
    & skf21("4","1","3","5","4","6","2","1") = "5"
    & skf21("4","1","3","5","4","6","3","1") = "5"
    & skf21("4","1","3","5","4","6","4","1") = "5"
    & skf21("4","1","3","5","4","6","5","1") = "5"
    & skf21("4","1","3","5","4","6","6","1") = "5"
    & skf21("4","1","3","5","4","6","7","1") = "6"
    & skf21("4","1","3","5","4","7","1","1") = "6"
    & skf21("4","1","3","5","4","7","2","1") = "6"
    & skf21("4","1","3","5","4","7","3","1") = "6"
    & skf21("4","1","3","5","4","7","4","1") = "6"
    & skf21("4","1","3","5","4","7","5","1") = "6"
    & skf21("4","1","3","5","4","7","6","1") = "6"
    & skf21("4","1","3","5","4","7","7","1") = "6"
    & skf21("4","1","3","5","5","1","1","1") = "4"
    & skf21("4","1","3","5","5","1","2","1") = "4"
    & skf21("4","1","3","5","5","1","3","1") = "4"
    & skf21("4","1","3","5","5","1","4","1") = "4"
    & skf21("4","1","3","5","5","1","5","1") = "4"
    & skf21("4","1","3","5","5","1","6","1") = "5"
    & skf21("4","1","3","5","5","1","7","1") = "6"
    & skf21("4","1","3","5","5","2","1","1") = "4"
    & skf21("4","1","3","5","5","2","2","1") = "4"
    & skf21("4","1","3","5","5","2","3","1") = "4"
    & skf21("4","1","3","5","5","2","4","1") = "4"
    & skf21("4","1","3","5","5","2","5","1") = "4"
    & skf21("4","1","3","5","5","2","6","1") = "5"
    & skf21("4","1","3","5","5","2","7","1") = "6"
    & skf21("4","1","3","5","5","3","1","1") = "4"
    & skf21("4","1","3","5","5","3","2","1") = "4"
    & skf21("4","1","3","5","5","3","3","1") = "4"
    & skf21("4","1","3","5","5","3","4","1") = "4"
    & skf21("4","1","3","5","5","3","5","1") = "4"
    & skf21("4","1","3","5","5","3","6","1") = "5"
    & skf21("4","1","3","5","5","3","7","1") = "6"
    & skf21("4","1","3","5","5","4","1","1") = "4"
    & skf21("4","1","3","5","5","4","2","1") = "4"
    & skf21("4","1","3","5","5","4","3","1") = "4"
    & skf21("4","1","3","5","5","4","4","1") = "4"
    & skf21("4","1","3","5","5","4","5","1") = "4"
    & skf21("4","1","3","5","5","4","6","1") = "5"
    & skf21("4","1","3","5","5","4","7","1") = "6"
    & skf21("4","1","3","5","5","5","1","1") = "4"
    & skf21("4","1","3","5","5","5","2","1") = "4"
    & skf21("4","1","3","5","5","5","3","1") = "4"
    & skf21("4","1","3","5","5","5","4","1") = "4"
    & skf21("4","1","3","5","5","5","5","1") = "4"
    & skf21("4","1","3","5","5","5","6","1") = "5"
    & skf21("4","1","3","5","5","5","7","1") = "6"
    & skf21("4","1","3","5","5","6","1","1") = "5"
    & skf21("4","1","3","5","5","6","2","1") = "5"
    & skf21("4","1","3","5","5","6","3","1") = "5"
    & skf21("4","1","3","5","5","6","4","1") = "5"
    & skf21("4","1","3","5","5","6","5","1") = "5"
    & skf21("4","1","3","5","5","6","6","1") = "5"
    & skf21("4","1","3","5","5","6","7","1") = "6"
    & skf21("4","1","3","5","5","7","1","1") = "6"
    & skf21("4","1","3","5","5","7","2","1") = "6"
    & skf21("4","1","3","5","5","7","3","1") = "6"
    & skf21("4","1","3","5","5","7","4","1") = "6"
    & skf21("4","1","3","5","5","7","5","1") = "6"
    & skf21("4","1","3","5","5","7","6","1") = "6"
    & skf21("4","1","3","5","5","7","7","1") = "6"
    & skf21("4","1","3","5","6","1","1","1") = "5"
    & skf21("4","1","3","5","6","1","2","1") = "5"
    & skf21("4","1","3","5","6","1","3","1") = "5"
    & skf21("4","1","3","5","6","1","4","1") = "5"
    & skf21("4","1","3","5","6","1","5","1") = "5"
    & skf21("4","1","3","5","6","1","6","1") = "5"
    & skf21("4","1","3","5","6","1","7","1") = "6"
    & skf21("4","1","3","5","6","2","1","1") = "5"
    & skf21("4","1","3","5","6","2","2","1") = "5"
    & skf21("4","1","3","5","6","2","3","1") = "5"
    & skf21("4","1","3","5","6","2","4","1") = "5"
    & skf21("4","1","3","5","6","2","5","1") = "5"
    & skf21("4","1","3","5","6","2","6","1") = "5"
    & skf21("4","1","3","5","6","2","7","1") = "6"
    & skf21("4","1","3","5","6","3","1","1") = "5"
    & skf21("4","1","3","5","6","3","2","1") = "5"
    & skf21("4","1","3","5","6","3","3","1") = "5"
    & skf21("4","1","3","5","6","3","4","1") = "5"
    & skf21("4","1","3","5","6","3","5","1") = "5"
    & skf21("4","1","3","5","6","3","6","1") = "5"
    & skf21("4","1","3","5","6","3","7","1") = "6"
    & skf21("4","1","3","5","6","4","1","1") = "5"
    & skf21("4","1","3","5","6","4","2","1") = "5"
    & skf21("4","1","3","5","6","4","3","1") = "5"
    & skf21("4","1","3","5","6","4","4","1") = "5"
    & skf21("4","1","3","5","6","4","5","1") = "5"
    & skf21("4","1","3","5","6","4","6","1") = "5"
    & skf21("4","1","3","5","6","4","7","1") = "6"
    & skf21("4","1","3","5","6","5","1","1") = "5"
    & skf21("4","1","3","5","6","5","2","1") = "5"
    & skf21("4","1","3","5","6","5","3","1") = "5"
    & skf21("4","1","3","5","6","5","4","1") = "5"
    & skf21("4","1","3","5","6","5","5","1") = "5"
    & skf21("4","1","3","5","6","5","6","1") = "5"
    & skf21("4","1","3","5","6","5","7","1") = "6"
    & skf21("4","1","3","5","6","6","1","1") = "5"
    & skf21("4","1","3","5","6","6","2","1") = "5"
    & skf21("4","1","3","5","6","6","3","1") = "5"
    & skf21("4","1","3","5","6","6","4","1") = "5"
    & skf21("4","1","3","5","6","6","5","1") = "5"
    & skf21("4","1","3","5","6","6","6","1") = "5"
    & skf21("4","1","3","5","6","6","7","1") = "6"
    & skf21("4","1","3","5","6","7","1","1") = "6"
    & skf21("4","1","3","5","6","7","2","1") = "6"
    & skf21("4","1","3","5","6","7","3","1") = "6"
    & skf21("4","1","3","5","6","7","4","1") = "6"
    & skf21("4","1","3","5","6","7","5","1") = "6"
    & skf21("4","1","3","5","6","7","6","1") = "6"
    & skf21("4","1","3","5","6","7","7","1") = "6"
    & skf21("4","1","3","5","7","1","1","1") = "6"
    & skf21("4","1","3","5","7","1","2","1") = "6"
    & skf21("4","1","3","5","7","1","3","1") = "6"
    & skf21("4","1","3","5","7","1","4","1") = "6"
    & skf21("4","1","3","5","7","1","5","1") = "6"
    & skf21("4","1","3","5","7","1","6","1") = "6"
    & skf21("4","1","3","5","7","1","7","1") = "6"
    & skf21("4","1","3","5","7","2","1","1") = "6"
    & skf21("4","1","3","5","7","2","2","1") = "6"
    & skf21("4","1","3","5","7","2","3","1") = "6"
    & skf21("4","1","3","5","7","2","4","1") = "6"
    & skf21("4","1","3","5","7","2","5","1") = "6"
    & skf21("4","1","3","5","7","2","6","1") = "6"
    & skf21("4","1","3","5","7","2","7","1") = "6"
    & skf21("4","1","3","5","7","3","1","1") = "6"
    & skf21("4","1","3","5","7","3","2","1") = "6"
    & skf21("4","1","3","5","7","3","3","1") = "6"
    & skf21("4","1","3","5","7","3","4","1") = "6"
    & skf21("4","1","3","5","7","3","5","1") = "6"
    & skf21("4","1","3","5","7","3","6","1") = "6"
    & skf21("4","1","3","5","7","3","7","1") = "6"
    & skf21("4","1","3","5","7","4","1","1") = "6"
    & skf21("4","1","3","5","7","4","2","1") = "6"
    & skf21("4","1","3","5","7","4","3","1") = "6"
    & skf21("4","1","3","5","7","4","4","1") = "6"
    & skf21("4","1","3","5","7","4","5","1") = "6"
    & skf21("4","1","3","5","7","4","6","1") = "6"
    & skf21("4","1","3","5","7","4","7","1") = "6"
    & skf21("4","1","3","5","7","5","1","1") = "6"
    & skf21("4","1","3","5","7","5","2","1") = "6"
    & skf21("4","1","3","5","7","5","3","1") = "6"
    & skf21("4","1","3","5","7","5","4","1") = "6"
    & skf21("4","1","3","5","7","5","5","1") = "6"
    & skf21("4","1","3","5","7","5","6","1") = "6"
    & skf21("4","1","3","5","7","5","7","1") = "6"
    & skf21("4","1","3","5","7","6","1","1") = "6"
    & skf21("4","1","3","5","7","6","2","1") = "6"
    & skf21("4","1","3","5","7","6","3","1") = "6"
    & skf21("4","1","3","5","7","6","4","1") = "6"
    & skf21("4","1","3","5","7","6","5","1") = "6"
    & skf21("4","1","3","5","7","6","6","1") = "6"
    & skf21("4","1","3","5","7","6","7","1") = "6"
    & skf21("4","1","3","5","7","7","1","1") = "6"
    & skf21("4","1","3","5","7","7","2","1") = "6"
    & skf21("4","1","3","5","7","7","3","1") = "6"
    & skf21("4","1","3","5","7","7","4","1") = "6"
    & skf21("4","1","3","5","7","7","5","1") = "6"
    & skf21("4","1","3","5","7","7","6","1") = "6"
    & skf21("4","1","3","5","7","7","7","1") = "6"
    & skf21("4","1","3","6","1","1","1","1") = "5"
    & skf21("4","1","3","6","1","1","2","1") = "5"
    & skf21("4","1","3","6","1","1","3","1") = "5"
    & skf21("4","1","3","6","1","1","4","1") = "5"
    & skf21("4","1","3","6","1","1","5","1") = "5"
    & skf21("4","1","3","6","1","1","6","1") = "5"
    & skf21("4","1","3","6","1","1","7","1") = "6"
    & skf21("4","1","3","6","1","2","1","1") = "5"
    & skf21("4","1","3","6","1","2","2","1") = "5"
    & skf21("4","1","3","6","1","2","3","1") = "5"
    & skf21("4","1","3","6","1","2","4","1") = "5"
    & skf21("4","1","3","6","1","2","5","1") = "5"
    & skf21("4","1","3","6","1","2","6","1") = "5"
    & skf21("4","1","3","6","1","2","7","1") = "6"
    & skf21("4","1","3","6","1","3","1","1") = "5"
    & skf21("4","1","3","6","1","3","2","1") = "5"
    & skf21("4","1","3","6","1","3","3","1") = "5"
    & skf21("4","1","3","6","1","3","4","1") = "5"
    & skf21("4","1","3","6","1","3","5","1") = "5"
    & skf21("4","1","3","6","1","3","6","1") = "5"
    & skf21("4","1","3","6","1","3","7","1") = "6"
    & skf21("4","1","3","6","1","4","1","1") = "5"
    & skf21("4","1","3","6","1","4","2","1") = "5"
    & skf21("4","1","3","6","1","4","3","1") = "5"
    & skf21("4","1","3","6","1","4","4","1") = "5"
    & skf21("4","1","3","6","1","4","5","1") = "5"
    & skf21("4","1","3","6","1","4","6","1") = "5"
    & skf21("4","1","3","6","1","4","7","1") = "6"
    & skf21("4","1","3","6","1","5","1","1") = "5"
    & skf21("4","1","3","6","1","5","2","1") = "5"
    & skf21("4","1","3","6","1","5","3","1") = "5"
    & skf21("4","1","3","6","1","5","4","1") = "5"
    & skf21("4","1","3","6","1","5","5","1") = "5"
    & skf21("4","1","3","6","1","5","6","1") = "5"
    & skf21("4","1","3","6","1","5","7","1") = "6"
    & skf21("4","1","3","6","1","6","1","1") = "5"
    & skf21("4","1","3","6","1","6","2","1") = "5"
    & skf21("4","1","3","6","1","6","3","1") = "5"
    & skf21("4","1","3","6","1","6","4","1") = "5"
    & skf21("4","1","3","6","1","6","5","1") = "5"
    & skf21("4","1","3","6","1","6","6","1") = "5"
    & skf21("4","1","3","6","1","6","7","1") = "6"
    & skf21("4","1","3","6","1","7","1","1") = "6"
    & skf21("4","1","3","6","1","7","2","1") = "6"
    & skf21("4","1","3","6","1","7","3","1") = "6"
    & skf21("4","1","3","6","1","7","4","1") = "6"
    & skf21("4","1","3","6","1","7","5","1") = "6"
    & skf21("4","1","3","6","1","7","6","1") = "6"
    & skf21("4","1","3","6","1","7","7","1") = "6"
    & skf21("4","1","3","6","2","1","1","1") = "5"
    & skf21("4","1","3","6","2","1","2","1") = "5"
    & skf21("4","1","3","6","2","1","3","1") = "5"
    & skf21("4","1","3","6","2","1","4","1") = "5"
    & skf21("4","1","3","6","2","1","5","1") = "5"
    & skf21("4","1","3","6","2","1","6","1") = "5"
    & skf21("4","1","3","6","2","1","7","1") = "6"
    & skf21("4","1","3","6","2","2","1","1") = "5"
    & skf21("4","1","3","6","2","2","2","1") = "5"
    & skf21("4","1","3","6","2","2","3","1") = "5"
    & skf21("4","1","3","6","2","2","4","1") = "5"
    & skf21("4","1","3","6","2","2","5","1") = "5"
    & skf21("4","1","3","6","2","2","6","1") = "5"
    & skf21("4","1","3","6","2","2","7","1") = "6"
    & skf21("4","1","3","6","2","3","1","1") = "5"
    & skf21("4","1","3","6","2","3","2","1") = "5"
    & skf21("4","1","3","6","2","3","3","1") = "5"
    & skf21("4","1","3","6","2","3","4","1") = "5"
    & skf21("4","1","3","6","2","3","5","1") = "5"
    & skf21("4","1","3","6","2","3","6","1") = "5"
    & skf21("4","1","3","6","2","3","7","1") = "6"
    & skf21("4","1","3","6","2","4","1","1") = "5"
    & skf21("4","1","3","6","2","4","2","1") = "5"
    & skf21("4","1","3","6","2","4","3","1") = "5"
    & skf21("4","1","3","6","2","4","4","1") = "5"
    & skf21("4","1","3","6","2","4","5","1") = "5"
    & skf21("4","1","3","6","2","4","6","1") = "5"
    & skf21("4","1","3","6","2","4","7","1") = "6"
    & skf21("4","1","3","6","2","5","1","1") = "5"
    & skf21("4","1","3","6","2","5","2","1") = "5"
    & skf21("4","1","3","6","2","5","3","1") = "5"
    & skf21("4","1","3","6","2","5","4","1") = "5"
    & skf21("4","1","3","6","2","5","5","1") = "5"
    & skf21("4","1","3","6","2","5","6","1") = "5"
    & skf21("4","1","3","6","2","5","7","1") = "6"
    & skf21("4","1","3","6","2","6","1","1") = "5"
    & skf21("4","1","3","6","2","6","2","1") = "5"
    & skf21("4","1","3","6","2","6","3","1") = "5"
    & skf21("4","1","3","6","2","6","4","1") = "5"
    & skf21("4","1","3","6","2","6","5","1") = "5"
    & skf21("4","1","3","6","2","6","6","1") = "5"
    & skf21("4","1","3","6","2","6","7","1") = "6"
    & skf21("4","1","3","6","2","7","1","1") = "6"
    & skf21("4","1","3","6","2","7","2","1") = "6"
    & skf21("4","1","3","6","2","7","3","1") = "6"
    & skf21("4","1","3","6","2","7","4","1") = "6"
    & skf21("4","1","3","6","2","7","5","1") = "6"
    & skf21("4","1","3","6","2","7","6","1") = "6"
    & skf21("4","1","3","6","2","7","7","1") = "6"
    & skf21("4","1","3","6","3","1","1","1") = "5"
    & skf21("4","1","3","6","3","1","2","1") = "5"
    & skf21("4","1","3","6","3","1","3","1") = "5"
    & skf21("4","1","3","6","3","1","4","1") = "5"
    & skf21("4","1","3","6","3","1","5","1") = "5"
    & skf21("4","1","3","6","3","1","6","1") = "5"
    & skf21("4","1","3","6","3","1","7","1") = "6"
    & skf21("4","1","3","6","3","2","1","1") = "5"
    & skf21("4","1","3","6","3","2","2","1") = "5"
    & skf21("4","1","3","6","3","2","3","1") = "5"
    & skf21("4","1","3","6","3","2","4","1") = "5"
    & skf21("4","1","3","6","3","2","5","1") = "5"
    & skf21("4","1","3","6","3","2","6","1") = "5"
    & skf21("4","1","3","6","3","2","7","1") = "6"
    & skf21("4","1","3","6","3","3","1","1") = "5"
    & skf21("4","1","3","6","3","3","2","1") = "5"
    & skf21("4","1","3","6","3","3","3","1") = "5"
    & skf21("4","1","3","6","3","3","4","1") = "5"
    & skf21("4","1","3","6","3","3","5","1") = "5"
    & skf21("4","1","3","6","3","3","6","1") = "5"
    & skf21("4","1","3","6","3","3","7","1") = "6"
    & skf21("4","1","3","6","3","4","1","1") = "5"
    & skf21("4","1","3","6","3","4","2","1") = "5"
    & skf21("4","1","3","6","3","4","3","1") = "5"
    & skf21("4","1","3","6","3","4","4","1") = "5"
    & skf21("4","1","3","6","3","4","5","1") = "5"
    & skf21("4","1","3","6","3","4","6","1") = "5"
    & skf21("4","1","3","6","3","4","7","1") = "6"
    & skf21("4","1","3","6","3","5","1","1") = "5"
    & skf21("4","1","3","6","3","5","2","1") = "5"
    & skf21("4","1","3","6","3","5","3","1") = "5"
    & skf21("4","1","3","6","3","5","4","1") = "5"
    & skf21("4","1","3","6","3","5","5","1") = "5"
    & skf21("4","1","3","6","3","5","6","1") = "5"
    & skf21("4","1","3","6","3","5","7","1") = "6"
    & skf21("4","1","3","6","3","6","1","1") = "5"
    & skf21("4","1","3","6","3","6","2","1") = "5"
    & skf21("4","1","3","6","3","6","3","1") = "5"
    & skf21("4","1","3","6","3","6","4","1") = "5"
    & skf21("4","1","3","6","3","6","5","1") = "5"
    & skf21("4","1","3","6","3","6","6","1") = "5"
    & skf21("4","1","3","6","3","6","7","1") = "6"
    & skf21("4","1","3","6","3","7","1","1") = "6"
    & skf21("4","1","3","6","3","7","2","1") = "6"
    & skf21("4","1","3","6","3","7","3","1") = "6"
    & skf21("4","1","3","6","3","7","4","1") = "6"
    & skf21("4","1","3","6","3","7","5","1") = "6"
    & skf21("4","1","3","6","3","7","6","1") = "6"
    & skf21("4","1","3","6","3","7","7","1") = "6"
    & skf21("4","1","3","6","4","1","1","1") = "5"
    & skf21("4","1","3","6","4","1","2","1") = "5"
    & skf21("4","1","3","6","4","1","3","1") = "5"
    & skf21("4","1","3","6","4","1","4","1") = "5"
    & skf21("4","1","3","6","4","1","5","1") = "5"
    & skf21("4","1","3","6","4","1","6","1") = "5"
    & skf21("4","1","3","6","4","1","7","1") = "6"
    & skf21("4","1","3","6","4","2","1","1") = "5"
    & skf21("4","1","3","6","4","2","2","1") = "5"
    & skf21("4","1","3","6","4","2","3","1") = "5"
    & skf21("4","1","3","6","4","2","4","1") = "5"
    & skf21("4","1","3","6","4","2","5","1") = "5"
    & skf21("4","1","3","6","4","2","6","1") = "5"
    & skf21("4","1","3","6","4","2","7","1") = "6"
    & skf21("4","1","3","6","4","3","1","1") = "5"
    & skf21("4","1","3","6","4","3","2","1") = "5"
    & skf21("4","1","3","6","4","3","3","1") = "5"
    & skf21("4","1","3","6","4","3","4","1") = "5"
    & skf21("4","1","3","6","4","3","5","1") = "5"
    & skf21("4","1","3","6","4","3","6","1") = "5"
    & skf21("4","1","3","6","4","3","7","1") = "6"
    & skf21("4","1","3","6","4","4","1","1") = "5"
    & skf21("4","1","3","6","4","4","2","1") = "5"
    & skf21("4","1","3","6","4","4","3","1") = "5"
    & skf21("4","1","3","6","4","4","4","1") = "5"
    & skf21("4","1","3","6","4","4","5","1") = "5"
    & skf21("4","1","3","6","4","4","6","1") = "5"
    & skf21("4","1","3","6","4","4","7","1") = "6"
    & skf21("4","1","3","6","4","5","1","1") = "5"
    & skf21("4","1","3","6","4","5","2","1") = "5"
    & skf21("4","1","3","6","4","5","3","1") = "5"
    & skf21("4","1","3","6","4","5","4","1") = "5"
    & skf21("4","1","3","6","4","5","5","1") = "5"
    & skf21("4","1","3","6","4","5","6","1") = "5"
    & skf21("4","1","3","6","4","5","7","1") = "6"
    & skf21("4","1","3","6","4","6","1","1") = "5"
    & skf21("4","1","3","6","4","6","2","1") = "5"
    & skf21("4","1","3","6","4","6","3","1") = "5"
    & skf21("4","1","3","6","4","6","4","1") = "5"
    & skf21("4","1","3","6","4","6","5","1") = "5"
    & skf21("4","1","3","6","4","6","6","1") = "5"
    & skf21("4","1","3","6","4","6","7","1") = "6"
    & skf21("4","1","3","6","4","7","1","1") = "6"
    & skf21("4","1","3","6","4","7","2","1") = "6"
    & skf21("4","1","3","6","4","7","3","1") = "6"
    & skf21("4","1","3","6","4","7","4","1") = "6"
    & skf21("4","1","3","6","4","7","5","1") = "6"
    & skf21("4","1","3","6","4","7","6","1") = "6"
    & skf21("4","1","3","6","4","7","7","1") = "6"
    & skf21("4","1","3","6","5","1","1","1") = "5"
    & skf21("4","1","3","6","5","1","2","1") = "5"
    & skf21("4","1","3","6","5","1","3","1") = "5"
    & skf21("4","1","3","6","5","1","4","1") = "5"
    & skf21("4","1","3","6","5","1","5","1") = "5"
    & skf21("4","1","3","6","5","1","6","1") = "5"
    & skf21("4","1","3","6","5","1","7","1") = "6"
    & skf21("4","1","3","6","5","2","1","1") = "5"
    & skf21("4","1","3","6","5","2","2","1") = "5"
    & skf21("4","1","3","6","5","2","3","1") = "5"
    & skf21("4","1","3","6","5","2","4","1") = "5"
    & skf21("4","1","3","6","5","2","5","1") = "5"
    & skf21("4","1","3","6","5","2","6","1") = "5"
    & skf21("4","1","3","6","5","2","7","1") = "6"
    & skf21("4","1","3","6","5","3","1","1") = "5"
    & skf21("4","1","3","6","5","3","2","1") = "5"
    & skf21("4","1","3","6","5","3","3","1") = "5"
    & skf21("4","1","3","6","5","3","4","1") = "5"
    & skf21("4","1","3","6","5","3","5","1") = "5"
    & skf21("4","1","3","6","5","3","6","1") = "5"
    & skf21("4","1","3","6","5","3","7","1") = "6"
    & skf21("4","1","3","6","5","4","1","1") = "5"
    & skf21("4","1","3","6","5","4","2","1") = "5"
    & skf21("4","1","3","6","5","4","3","1") = "5"
    & skf21("4","1","3","6","5","4","4","1") = "5"
    & skf21("4","1","3","6","5","4","5","1") = "5"
    & skf21("4","1","3","6","5","4","6","1") = "5"
    & skf21("4","1","3","6","5","4","7","1") = "6"
    & skf21("4","1","3","6","5","5","1","1") = "5"
    & skf21("4","1","3","6","5","5","2","1") = "5"
    & skf21("4","1","3","6","5","5","3","1") = "5"
    & skf21("4","1","3","6","5","5","4","1") = "5"
    & skf21("4","1","3","6","5","5","5","1") = "5"
    & skf21("4","1","3","6","5","5","6","1") = "5"
    & skf21("4","1","3","6","5","5","7","1") = "6"
    & skf21("4","1","3","6","5","6","1","1") = "5"
    & skf21("4","1","3","6","5","6","2","1") = "5"
    & skf21("4","1","3","6","5","6","3","1") = "5"
    & skf21("4","1","3","6","5","6","4","1") = "5"
    & skf21("4","1","3","6","5","6","5","1") = "5"
    & skf21("4","1","3","6","5","6","6","1") = "5"
    & skf21("4","1","3","6","5","6","7","1") = "6"
    & skf21("4","1","3","6","5","7","1","1") = "6"
    & skf21("4","1","3","6","5","7","2","1") = "6"
    & skf21("4","1","3","6","5","7","3","1") = "6"
    & skf21("4","1","3","6","5","7","4","1") = "6"
    & skf21("4","1","3","6","5","7","5","1") = "6"
    & skf21("4","1","3","6","5","7","6","1") = "6"
    & skf21("4","1","3","6","5","7","7","1") = "6"
    & skf21("4","1","3","6","6","1","1","1") = "5"
    & skf21("4","1","3","6","6","1","2","1") = "5"
    & skf21("4","1","3","6","6","1","3","1") = "5"
    & skf21("4","1","3","6","6","1","4","1") = "5"
    & skf21("4","1","3","6","6","1","5","1") = "5"
    & skf21("4","1","3","6","6","1","6","1") = "5"
    & skf21("4","1","3","6","6","1","7","1") = "6"
    & skf21("4","1","3","6","6","2","1","1") = "5"
    & skf21("4","1","3","6","6","2","2","1") = "5"
    & skf21("4","1","3","6","6","2","3","1") = "5"
    & skf21("4","1","3","6","6","2","4","1") = "5"
    & skf21("4","1","3","6","6","2","5","1") = "5"
    & skf21("4","1","3","6","6","2","6","1") = "5"
    & skf21("4","1","3","6","6","2","7","1") = "6"
    & skf21("4","1","3","6","6","3","1","1") = "5"
    & skf21("4","1","3","6","6","3","2","1") = "5"
    & skf21("4","1","3","6","6","3","3","1") = "5"
    & skf21("4","1","3","6","6","3","4","1") = "5"
    & skf21("4","1","3","6","6","3","5","1") = "5"
    & skf21("4","1","3","6","6","3","6","1") = "5"
    & skf21("4","1","3","6","6","3","7","1") = "6"
    & skf21("4","1","3","6","6","4","1","1") = "5"
    & skf21("4","1","3","6","6","4","2","1") = "5"
    & skf21("4","1","3","6","6","4","3","1") = "5"
    & skf21("4","1","3","6","6","4","4","1") = "5"
    & skf21("4","1","3","6","6","4","5","1") = "5"
    & skf21("4","1","3","6","6","4","6","1") = "5"
    & skf21("4","1","3","6","6","4","7","1") = "6"
    & skf21("4","1","3","6","6","5","1","1") = "5"
    & skf21("4","1","3","6","6","5","2","1") = "5"
    & skf21("4","1","3","6","6","5","3","1") = "5"
    & skf21("4","1","3","6","6","5","4","1") = "5"
    & skf21("4","1","3","6","6","5","5","1") = "5"
    & skf21("4","1","3","6","6","5","6","1") = "5"
    & skf21("4","1","3","6","6","5","7","1") = "6"
    & skf21("4","1","3","6","6","6","1","1") = "5"
    & skf21("4","1","3","6","6","6","2","1") = "5"
    & skf21("4","1","3","6","6","6","3","1") = "5"
    & skf21("4","1","3","6","6","6","4","1") = "5"
    & skf21("4","1","3","6","6","6","5","1") = "5"
    & skf21("4","1","3","6","6","6","6","1") = "5"
    & skf21("4","1","3","6","6","6","7","1") = "6"
    & skf21("4","1","3","6","6","7","1","1") = "6"
    & skf21("4","1","3","6","6","7","2","1") = "6"
    & skf21("4","1","3","6","6","7","3","1") = "6"
    & skf21("4","1","3","6","6","7","4","1") = "6"
    & skf21("4","1","3","6","6","7","5","1") = "6"
    & skf21("4","1","3","6","6","7","6","1") = "6"
    & skf21("4","1","3","6","6","7","7","1") = "6"
    & skf21("4","1","3","6","7","1","1","1") = "6"
    & skf21("4","1","3","6","7","1","2","1") = "6"
    & skf21("4","1","3","6","7","1","3","1") = "6"
    & skf21("4","1","3","6","7","1","4","1") = "6"
    & skf21("4","1","3","6","7","1","5","1") = "6"
    & skf21("4","1","3","6","7","1","6","1") = "6"
    & skf21("4","1","3","6","7","1","7","1") = "6"
    & skf21("4","1","3","6","7","2","1","1") = "6"
    & skf21("4","1","3","6","7","2","2","1") = "6"
    & skf21("4","1","3","6","7","2","3","1") = "6"
    & skf21("4","1","3","6","7","2","4","1") = "6"
    & skf21("4","1","3","6","7","2","5","1") = "6"
    & skf21("4","1","3","6","7","2","6","1") = "6"
    & skf21("4","1","3","6","7","2","7","1") = "6"
    & skf21("4","1","3","6","7","3","1","1") = "6"
    & skf21("4","1","3","6","7","3","2","1") = "6"
    & skf21("4","1","3","6","7","3","3","1") = "6"
    & skf21("4","1","3","6","7","3","4","1") = "6"
    & skf21("4","1","3","6","7","3","5","1") = "6"
    & skf21("4","1","3","6","7","3","6","1") = "6"
    & skf21("4","1","3","6","7","3","7","1") = "6"
    & skf21("4","1","3","6","7","4","1","1") = "6"
    & skf21("4","1","3","6","7","4","2","1") = "6"
    & skf21("4","1","3","6","7","4","3","1") = "6"
    & skf21("4","1","3","6","7","4","4","1") = "6"
    & skf21("4","1","3","6","7","4","5","1") = "6"
    & skf21("4","1","3","6","7","4","6","1") = "6"
    & skf21("4","1","3","6","7","4","7","1") = "6"
    & skf21("4","1","3","6","7","5","1","1") = "6"
    & skf21("4","1","3","6","7","5","2","1") = "6"
    & skf21("4","1","3","6","7","5","3","1") = "6"
    & skf21("4","1","3","6","7","5","4","1") = "6"
    & skf21("4","1","3","6","7","5","5","1") = "6"
    & skf21("4","1","3","6","7","5","6","1") = "6"
    & skf21("4","1","3","6","7","5","7","1") = "6"
    & skf21("4","1","3","6","7","6","1","1") = "6"
    & skf21("4","1","3","6","7","6","2","1") = "6"
    & skf21("4","1","3","6","7","6","3","1") = "6"
    & skf21("4","1","3","6","7","6","4","1") = "6"
    & skf21("4","1","3","6","7","6","5","1") = "6"
    & skf21("4","1","3","6","7","6","6","1") = "6"
    & skf21("4","1","3","6","7","6","7","1") = "6"
    & skf21("4","1","3","6","7","7","1","1") = "6"
    & skf21("4","1","3","6","7","7","2","1") = "6"
    & skf21("4","1","3","6","7","7","3","1") = "6"
    & skf21("4","1","3","6","7","7","4","1") = "6"
    & skf21("4","1","3","6","7","7","5","1") = "6"
    & skf21("4","1","3","6","7","7","6","1") = "6"
    & skf21("4","1","3","6","7","7","7","1") = "6"
    & skf21("4","1","3","7","1","1","1","1") = "6"
    & skf21("4","1","3","7","1","1","2","1") = "6"
    & skf21("4","1","3","7","1","1","3","1") = "6"
    & skf21("4","1","3","7","1","1","4","1") = "6"
    & skf21("4","1","3","7","1","1","5","1") = "6"
    & skf21("4","1","3","7","1","1","6","1") = "6"
    & skf21("4","1","3","7","1","1","7","1") = "6"
    & skf21("4","1","3","7","1","2","1","1") = "6"
    & skf21("4","1","3","7","1","2","2","1") = "6"
    & skf21("4","1","3","7","1","2","3","1") = "6"
    & skf21("4","1","3","7","1","2","4","1") = "6"
    & skf21("4","1","3","7","1","2","5","1") = "6"
    & skf21("4","1","3","7","1","2","6","1") = "6"
    & skf21("4","1","3","7","1","2","7","1") = "6"
    & skf21("4","1","3","7","1","3","1","1") = "6"
    & skf21("4","1","3","7","1","3","2","1") = "6"
    & skf21("4","1","3","7","1","3","3","1") = "6"
    & skf21("4","1","3","7","1","3","4","1") = "6"
    & skf21("4","1","3","7","1","3","5","1") = "6"
    & skf21("4","1","3","7","1","3","6","1") = "6"
    & skf21("4","1","3","7","1","3","7","1") = "6"
    & skf21("4","1","3","7","1","4","1","1") = "6"
    & skf21("4","1","3","7","1","4","2","1") = "6"
    & skf21("4","1","3","7","1","4","3","1") = "6"
    & skf21("4","1","3","7","1","4","4","1") = "6"
    & skf21("4","1","3","7","1","4","5","1") = "6"
    & skf21("4","1","3","7","1","4","6","1") = "6"
    & skf21("4","1","3","7","1","4","7","1") = "6"
    & skf21("4","1","3","7","1","5","1","1") = "6"
    & skf21("4","1","3","7","1","5","2","1") = "6"
    & skf21("4","1","3","7","1","5","3","1") = "6"
    & skf21("4","1","3","7","1","5","4","1") = "6"
    & skf21("4","1","3","7","1","5","5","1") = "6"
    & skf21("4","1","3","7","1","5","6","1") = "6"
    & skf21("4","1","3","7","1","5","7","1") = "6"
    & skf21("4","1","3","7","1","6","1","1") = "6"
    & skf21("4","1","3","7","1","6","2","1") = "6"
    & skf21("4","1","3","7","1","6","3","1") = "6"
    & skf21("4","1","3","7","1","6","4","1") = "6"
    & skf21("4","1","3","7","1","6","5","1") = "6"
    & skf21("4","1","3","7","1","6","6","1") = "6"
    & skf21("4","1","3","7","1","6","7","1") = "6"
    & skf21("4","1","3","7","1","7","1","1") = "6"
    & skf21("4","1","3","7","1","7","2","1") = "6"
    & skf21("4","1","3","7","1","7","3","1") = "6"
    & skf21("4","1","3","7","1","7","4","1") = "6"
    & skf21("4","1","3","7","1","7","5","1") = "6"
    & skf21("4","1","3","7","1","7","6","1") = "6"
    & skf21("4","1","3","7","1","7","7","1") = "6"
    & skf21("4","1","3","7","2","1","1","1") = "6"
    & skf21("4","1","3","7","2","1","2","1") = "6"
    & skf21("4","1","3","7","2","1","3","1") = "6"
    & skf21("4","1","3","7","2","1","4","1") = "6"
    & skf21("4","1","3","7","2","1","5","1") = "6"
    & skf21("4","1","3","7","2","1","6","1") = "6"
    & skf21("4","1","3","7","2","1","7","1") = "6"
    & skf21("4","1","3","7","2","2","1","1") = "6"
    & skf21("4","1","3","7","2","2","2","1") = "6"
    & skf21("4","1","3","7","2","2","3","1") = "6"
    & skf21("4","1","3","7","2","2","4","1") = "6"
    & skf21("4","1","3","7","2","2","5","1") = "6"
    & skf21("4","1","3","7","2","2","6","1") = "6"
    & skf21("4","1","3","7","2","2","7","1") = "6"
    & skf21("4","1","3","7","2","3","1","1") = "6"
    & skf21("4","1","3","7","2","3","2","1") = "6"
    & skf21("4","1","3","7","2","3","3","1") = "6"
    & skf21("4","1","3","7","2","3","4","1") = "6"
    & skf21("4","1","3","7","2","3","5","1") = "6"
    & skf21("4","1","3","7","2","3","6","1") = "6"
    & skf21("4","1","3","7","2","3","7","1") = "6"
    & skf21("4","1","3","7","2","4","1","1") = "6"
    & skf21("4","1","3","7","2","4","2","1") = "6"
    & skf21("4","1","3","7","2","4","3","1") = "6"
    & skf21("4","1","3","7","2","4","4","1") = "6"
    & skf21("4","1","3","7","2","4","5","1") = "6"
    & skf21("4","1","3","7","2","4","6","1") = "6"
    & skf21("4","1","3","7","2","4","7","1") = "6"
    & skf21("4","1","3","7","2","5","1","1") = "6"
    & skf21("4","1","3","7","2","5","2","1") = "6"
    & skf21("4","1","3","7","2","5","3","1") = "6"
    & skf21("4","1","3","7","2","5","4","1") = "6"
    & skf21("4","1","3","7","2","5","5","1") = "6"
    & skf21("4","1","3","7","2","5","6","1") = "6"
    & skf21("4","1","3","7","2","5","7","1") = "6"
    & skf21("4","1","3","7","2","6","1","1") = "6"
    & skf21("4","1","3","7","2","6","2","1") = "6"
    & skf21("4","1","3","7","2","6","3","1") = "6"
    & skf21("4","1","3","7","2","6","4","1") = "6"
    & skf21("4","1","3","7","2","6","5","1") = "6"
    & skf21("4","1","3","7","2","6","6","1") = "6"
    & skf21("4","1","3","7","2","6","7","1") = "6"
    & skf21("4","1","3","7","2","7","1","1") = "6"
    & skf21("4","1","3","7","2","7","2","1") = "6"
    & skf21("4","1","3","7","2","7","3","1") = "6"
    & skf21("4","1","3","7","2","7","4","1") = "6"
    & skf21("4","1","3","7","2","7","5","1") = "6"
    & skf21("4","1","3","7","2","7","6","1") = "6"
    & skf21("4","1","3","7","2","7","7","1") = "6"
    & skf21("4","1","3","7","3","1","1","1") = "6"
    & skf21("4","1","3","7","3","1","2","1") = "6"
    & skf21("4","1","3","7","3","1","3","1") = "6"
    & skf21("4","1","3","7","3","1","4","1") = "6"
    & skf21("4","1","3","7","3","1","5","1") = "6"
    & skf21("4","1","3","7","3","1","6","1") = "6"
    & skf21("4","1","3","7","3","1","7","1") = "6"
    & skf21("4","1","3","7","3","2","1","1") = "6"
    & skf21("4","1","3","7","3","2","2","1") = "6"
    & skf21("4","1","3","7","3","2","3","1") = "6"
    & skf21("4","1","3","7","3","2","4","1") = "6"
    & skf21("4","1","3","7","3","2","5","1") = "6"
    & skf21("4","1","3","7","3","2","6","1") = "6"
    & skf21("4","1","3","7","3","2","7","1") = "6"
    & skf21("4","1","3","7","3","3","1","1") = "6"
    & skf21("4","1","3","7","3","3","2","1") = "6"
    & skf21("4","1","3","7","3","3","3","1") = "6"
    & skf21("4","1","3","7","3","3","4","1") = "6"
    & skf21("4","1","3","7","3","3","5","1") = "6"
    & skf21("4","1","3","7","3","3","6","1") = "6"
    & skf21("4","1","3","7","3","3","7","1") = "6"
    & skf21("4","1","3","7","3","4","1","1") = "6"
    & skf21("4","1","3","7","3","4","2","1") = "6"
    & skf21("4","1","3","7","3","4","3","1") = "6"
    & skf21("4","1","3","7","3","4","4","1") = "6"
    & skf21("4","1","3","7","3","4","5","1") = "6"
    & skf21("4","1","3","7","3","4","6","1") = "6"
    & skf21("4","1","3","7","3","4","7","1") = "6"
    & skf21("4","1","3","7","3","5","1","1") = "6"
    & skf21("4","1","3","7","3","5","2","1") = "6"
    & skf21("4","1","3","7","3","5","3","1") = "6"
    & skf21("4","1","3","7","3","5","4","1") = "6"
    & skf21("4","1","3","7","3","5","5","1") = "6"
    & skf21("4","1","3","7","3","5","6","1") = "6"
    & skf21("4","1","3","7","3","5","7","1") = "6"
    & skf21("4","1","3","7","3","6","1","1") = "6"
    & skf21("4","1","3","7","3","6","2","1") = "6"
    & skf21("4","1","3","7","3","6","3","1") = "6"
    & skf21("4","1","3","7","3","6","4","1") = "6"
    & skf21("4","1","3","7","3","6","5","1") = "6"
    & skf21("4","1","3","7","3","6","6","1") = "6"
    & skf21("4","1","3","7","3","6","7","1") = "6"
    & skf21("4","1","3","7","3","7","1","1") = "6"
    & skf21("4","1","3","7","3","7","2","1") = "6"
    & skf21("4","1","3","7","3","7","3","1") = "6"
    & skf21("4","1","3","7","3","7","4","1") = "6"
    & skf21("4","1","3","7","3","7","5","1") = "6"
    & skf21("4","1","3","7","3","7","6","1") = "6"
    & skf21("4","1","3","7","3","7","7","1") = "6"
    & skf21("4","1","3","7","4","1","1","1") = "6"
    & skf21("4","1","3","7","4","1","2","1") = "6"
    & skf21("4","1","3","7","4","1","3","1") = "6"
    & skf21("4","1","3","7","4","1","4","1") = "6"
    & skf21("4","1","3","7","4","1","5","1") = "6"
    & skf21("4","1","3","7","4","1","6","1") = "6"
    & skf21("4","1","3","7","4","1","7","1") = "6"
    & skf21("4","1","3","7","4","2","1","1") = "6"
    & skf21("4","1","3","7","4","2","2","1") = "6"
    & skf21("4","1","3","7","4","2","3","1") = "6"
    & skf21("4","1","3","7","4","2","4","1") = "6"
    & skf21("4","1","3","7","4","2","5","1") = "6"
    & skf21("4","1","3","7","4","2","6","1") = "6"
    & skf21("4","1","3","7","4","2","7","1") = "6"
    & skf21("4","1","3","7","4","3","1","1") = "6"
    & skf21("4","1","3","7","4","3","2","1") = "6"
    & skf21("4","1","3","7","4","3","3","1") = "6"
    & skf21("4","1","3","7","4","3","4","1") = "6"
    & skf21("4","1","3","7","4","3","5","1") = "6"
    & skf21("4","1","3","7","4","3","6","1") = "6"
    & skf21("4","1","3","7","4","3","7","1") = "6"
    & skf21("4","1","3","7","4","4","1","1") = "6"
    & skf21("4","1","3","7","4","4","2","1") = "6"
    & skf21("4","1","3","7","4","4","3","1") = "6"
    & skf21("4","1","3","7","4","4","4","1") = "6"
    & skf21("4","1","3","7","4","4","5","1") = "6"
    & skf21("4","1","3","7","4","4","6","1") = "6"
    & skf21("4","1","3","7","4","4","7","1") = "6"
    & skf21("4","1","3","7","4","5","1","1") = "6"
    & skf21("4","1","3","7","4","5","2","1") = "6"
    & skf21("4","1","3","7","4","5","3","1") = "6"
    & skf21("4","1","3","7","4","5","4","1") = "6"
    & skf21("4","1","3","7","4","5","5","1") = "6"
    & skf21("4","1","3","7","4","5","6","1") = "6"
    & skf21("4","1","3","7","4","5","7","1") = "6"
    & skf21("4","1","3","7","4","6","1","1") = "6"
    & skf21("4","1","3","7","4","6","2","1") = "6"
    & skf21("4","1","3","7","4","6","3","1") = "6"
    & skf21("4","1","3","7","4","6","4","1") = "6"
    & skf21("4","1","3","7","4","6","5","1") = "6"
    & skf21("4","1","3","7","4","6","6","1") = "6"
    & skf21("4","1","3","7","4","6","7","1") = "6"
    & skf21("4","1","3","7","4","7","1","1") = "6"
    & skf21("4","1","3","7","4","7","2","1") = "6"
    & skf21("4","1","3","7","4","7","3","1") = "6"
    & skf21("4","1","3","7","4","7","4","1") = "6"
    & skf21("4","1","3","7","4","7","5","1") = "6"
    & skf21("4","1","3","7","4","7","6","1") = "6"
    & skf21("4","1","3","7","4","7","7","1") = "6"
    & skf21("4","1","3","7","5","1","1","1") = "6"
    & skf21("4","1","3","7","5","1","2","1") = "6"
    & skf21("4","1","3","7","5","1","3","1") = "6"
    & skf21("4","1","3","7","5","1","4","1") = "6"
    & skf21("4","1","3","7","5","1","5","1") = "6"
    & skf21("4","1","3","7","5","1","6","1") = "6"
    & skf21("4","1","3","7","5","1","7","1") = "6"
    & skf21("4","1","3","7","5","2","1","1") = "6"
    & skf21("4","1","3","7","5","2","2","1") = "6"
    & skf21("4","1","3","7","5","2","3","1") = "6"
    & skf21("4","1","3","7","5","2","4","1") = "6"
    & skf21("4","1","3","7","5","2","5","1") = "6"
    & skf21("4","1","3","7","5","2","6","1") = "6"
    & skf21("4","1","3","7","5","2","7","1") = "6"
    & skf21("4","1","3","7","5","3","1","1") = "6"
    & skf21("4","1","3","7","5","3","2","1") = "6"
    & skf21("4","1","3","7","5","3","3","1") = "6"
    & skf21("4","1","3","7","5","3","4","1") = "6"
    & skf21("4","1","3","7","5","3","5","1") = "6"
    & skf21("4","1","3","7","5","3","6","1") = "6"
    & skf21("4","1","3","7","5","3","7","1") = "6"
    & skf21("4","1","3","7","5","4","1","1") = "6"
    & skf21("4","1","3","7","5","4","2","1") = "6"
    & skf21("4","1","3","7","5","4","3","1") = "6"
    & skf21("4","1","3","7","5","4","4","1") = "6"
    & skf21("4","1","3","7","5","4","5","1") = "6"
    & skf21("4","1","3","7","5","4","6","1") = "6"
    & skf21("4","1","3","7","5","4","7","1") = "6"
    & skf21("4","1","3","7","5","5","1","1") = "6"
    & skf21("4","1","3","7","5","5","2","1") = "6"
    & skf21("4","1","3","7","5","5","3","1") = "6"
    & skf21("4","1","3","7","5","5","4","1") = "6"
    & skf21("4","1","3","7","5","5","5","1") = "6"
    & skf21("4","1","3","7","5","5","6","1") = "6"
    & skf21("4","1","3","7","5","5","7","1") = "6"
    & skf21("4","1","3","7","5","6","1","1") = "6"
    & skf21("4","1","3","7","5","6","2","1") = "6"
    & skf21("4","1","3","7","5","6","3","1") = "6"
    & skf21("4","1","3","7","5","6","4","1") = "6"
    & skf21("4","1","3","7","5","6","5","1") = "6"
    & skf21("4","1","3","7","5","6","6","1") = "6"
    & skf21("4","1","3","7","5","6","7","1") = "6"
    & skf21("4","1","3","7","5","7","1","1") = "6"
    & skf21("4","1","3","7","5","7","2","1") = "6"
    & skf21("4","1","3","7","5","7","3","1") = "6"
    & skf21("4","1","3","7","5","7","4","1") = "6"
    & skf21("4","1","3","7","5","7","5","1") = "6"
    & skf21("4","1","3","7","5","7","6","1") = "6"
    & skf21("4","1","3","7","5","7","7","1") = "6"
    & skf21("4","1","3","7","6","1","1","1") = "6"
    & skf21("4","1","3","7","6","1","2","1") = "6"
    & skf21("4","1","3","7","6","1","3","1") = "6"
    & skf21("4","1","3","7","6","1","4","1") = "6"
    & skf21("4","1","3","7","6","1","5","1") = "6"
    & skf21("4","1","3","7","6","1","6","1") = "6"
    & skf21("4","1","3","7","6","1","7","1") = "6"
    & skf21("4","1","3","7","6","2","1","1") = "6"
    & skf21("4","1","3","7","6","2","2","1") = "6"
    & skf21("4","1","3","7","6","2","3","1") = "6"
    & skf21("4","1","3","7","6","2","4","1") = "6"
    & skf21("4","1","3","7","6","2","5","1") = "6"
    & skf21("4","1","3","7","6","2","6","1") = "6"
    & skf21("4","1","3","7","6","2","7","1") = "6"
    & skf21("4","1","3","7","6","3","1","1") = "6"
    & skf21("4","1","3","7","6","3","2","1") = "6"
    & skf21("4","1","3","7","6","3","3","1") = "6"
    & skf21("4","1","3","7","6","3","4","1") = "6"
    & skf21("4","1","3","7","6","3","5","1") = "6"
    & skf21("4","1","3","7","6","3","6","1") = "6"
    & skf21("4","1","3","7","6","3","7","1") = "6"
    & skf21("4","1","3","7","6","4","1","1") = "6"
    & skf21("4","1","3","7","6","4","2","1") = "6"
    & skf21("4","1","3","7","6","4","3","1") = "6"
    & skf21("4","1","3","7","6","4","4","1") = "6"
    & skf21("4","1","3","7","6","4","5","1") = "6"
    & skf21("4","1","3","7","6","4","6","1") = "6"
    & skf21("4","1","3","7","6","4","7","1") = "6"
    & skf21("4","1","3","7","6","5","1","1") = "6"
    & skf21("4","1","3","7","6","5","2","1") = "6"
    & skf21("4","1","3","7","6","5","3","1") = "6"
    & skf21("4","1","3","7","6","5","4","1") = "6"
    & skf21("4","1","3","7","6","5","5","1") = "6"
    & skf21("4","1","3","7","6","5","6","1") = "6"
    & skf21("4","1","3","7","6","5","7","1") = "6"
    & skf21("4","1","3","7","6","6","1","1") = "6"
    & skf21("4","1","3","7","6","6","2","1") = "6"
    & skf21("4","1","3","7","6","6","3","1") = "6"
    & skf21("4","1","3","7","6","6","4","1") = "6"
    & skf21("4","1","3","7","6","6","5","1") = "6"
    & skf21("4","1","3","7","6","6","6","1") = "6"
    & skf21("4","1","3","7","6","6","7","1") = "6"
    & skf21("4","1","3","7","6","7","1","1") = "6"
    & skf21("4","1","3","7","6","7","2","1") = "6"
    & skf21("4","1","3","7","6","7","3","1") = "6"
    & skf21("4","1","3","7","6","7","4","1") = "6"
    & skf21("4","1","3","7","6","7","5","1") = "6"
    & skf21("4","1","3","7","6","7","6","1") = "6"
    & skf21("4","1","3","7","6","7","7","1") = "6"
    & skf21("4","1","3","7","7","1","1","1") = "6"
    & skf21("4","1","3","7","7","1","2","1") = "6"
    & skf21("4","1","3","7","7","1","3","1") = "6"
    & skf21("4","1","3","7","7","1","4","1") = "6"
    & skf21("4","1","3","7","7","1","5","1") = "6"
    & skf21("4","1","3","7","7","1","6","1") = "6"
    & skf21("4","1","3","7","7","1","7","1") = "6"
    & skf21("4","1","3","7","7","2","1","1") = "6"
    & skf21("4","1","3","7","7","2","2","1") = "6"
    & skf21("4","1","3","7","7","2","3","1") = "6"
    & skf21("4","1","3","7","7","2","4","1") = "6"
    & skf21("4","1","3","7","7","2","5","1") = "6"
    & skf21("4","1","3","7","7","2","6","1") = "6"
    & skf21("4","1","3","7","7","2","7","1") = "6"
    & skf21("4","1","3","7","7","3","1","1") = "6"
    & skf21("4","1","3","7","7","3","2","1") = "6"
    & skf21("4","1","3","7","7","3","3","1") = "6"
    & skf21("4","1","3","7","7","3","4","1") = "6"
    & skf21("4","1","3","7","7","3","5","1") = "6"
    & skf21("4","1","3","7","7","3","6","1") = "6"
    & skf21("4","1","3","7","7","3","7","1") = "6"
    & skf21("4","1","3","7","7","4","1","1") = "6"
    & skf21("4","1","3","7","7","4","2","1") = "6"
    & skf21("4","1","3","7","7","4","3","1") = "6"
    & skf21("4","1","3","7","7","4","4","1") = "6"
    & skf21("4","1","3","7","7","4","5","1") = "6"
    & skf21("4","1","3","7","7","4","6","1") = "6"
    & skf21("4","1","3","7","7","4","7","1") = "6"
    & skf21("4","1","3","7","7","5","1","1") = "6"
    & skf21("4","1","3","7","7","5","2","1") = "6"
    & skf21("4","1","3","7","7","5","3","1") = "6"
    & skf21("4","1","3","7","7","5","4","1") = "6"
    & skf21("4","1","3","7","7","5","5","1") = "6"
    & skf21("4","1","3","7","7","5","6","1") = "6"
    & skf21("4","1","3","7","7","5","7","1") = "6"
    & skf21("4","1","3","7","7","6","1","1") = "6"
    & skf21("4","1","3","7","7","6","2","1") = "6"
    & skf21("4","1","3","7","7","6","3","1") = "6"
    & skf21("4","1","3","7","7","6","4","1") = "6"
    & skf21("4","1","3","7","7","6","5","1") = "6"
    & skf21("4","1","3","7","7","6","6","1") = "6"
    & skf21("4","1","3","7","7","6","7","1") = "6"
    & skf21("4","1","3","7","7","7","1","1") = "6"
    & skf21("4","1","3","7","7","7","2","1") = "6"
    & skf21("4","1","3","7","7","7","3","1") = "6"
    & skf21("4","1","3","7","7","7","4","1") = "6"
    & skf21("4","1","3","7","7","7","5","1") = "6"
    & skf21("4","1","3","7","7","7","6","1") = "6"
    & skf21("4","1","3","7","7","7","7","1") = "6"
    & skf21("4","1","4","1","1","1","1","1") = "3"
    & skf21("4","1","4","1","1","1","2","1") = "3"
    & skf21("4","1","4","1","1","1","3","1") = "3"
    & skf21("4","1","4","1","1","1","4","1") = "3"
    & skf21("4","1","4","1","1","1","5","1") = "4"
    & skf21("4","1","4","1","1","1","6","1") = "5"
    & skf21("4","1","4","1","1","1","7","1") = "6"
    & skf21("4","1","4","1","1","2","1","1") = "3"
    & skf21("4","1","4","1","1","2","2","1") = "3"
    & skf21("4","1","4","1","1","2","3","1") = "3"
    & skf21("4","1","4","1","1","2","4","1") = "3"
    & skf21("4","1","4","1","1","2","5","1") = "4"
    & skf21("4","1","4","1","1","2","6","1") = "5"
    & skf21("4","1","4","1","1","2","7","1") = "6"
    & skf21("4","1","4","1","1","3","1","1") = "3"
    & skf21("4","1","4","1","1","3","2","1") = "3"
    & skf21("4","1","4","1","1","3","3","1") = "3"
    & skf21("4","1","4","1","1","3","4","1") = "3"
    & skf21("4","1","4","1","1","3","5","1") = "4"
    & skf21("4","1","4","1","1","3","6","1") = "5"
    & skf21("4","1","4","1","1","3","7","1") = "6"
    & skf21("4","1","4","1","1","4","1","1") = "3"
    & skf21("4","1","4","1","1","4","2","1") = "3"
    & skf21("4","1","4","1","1","4","3","1") = "3"
    & skf21("4","1","4","1","1","4","4","1") = "3"
    & skf21("4","1","4","1","1","4","5","1") = "4"
    & skf21("4","1","4","1","1","4","6","1") = "5"
    & skf21("4","1","4","1","1","4","7","1") = "6"
    & skf21("4","1","4","1","1","5","1","1") = "4"
    & skf21("4","1","4","1","1","5","2","1") = "4"
    & skf21("4","1","4","1","1","5","3","1") = "4"
    & skf21("4","1","4","1","1","5","4","1") = "4"
    & skf21("4","1","4","1","1","5","5","1") = "4"
    & skf21("4","1","4","1","1","5","6","1") = "5"
    & skf21("4","1","4","1","1","5","7","1") = "6"
    & skf21("4","1","4","1","1","6","1","1") = "5"
    & skf21("4","1","4","1","1","6","2","1") = "5"
    & skf21("4","1","4","1","1","6","3","1") = "5"
    & skf21("4","1","4","1","1","6","4","1") = "5"
    & skf21("4","1","4","1","1","6","5","1") = "5"
    & skf21("4","1","4","1","1","6","6","1") = "5"
    & skf21("4","1","4","1","1","6","7","1") = "6"
    & skf21("4","1","4","1","1","7","1","1") = "6"
    & skf21("4","1","4","1","1","7","2","1") = "6"
    & skf21("4","1","4","1","1","7","3","1") = "6"
    & skf21("4","1","4","1","1","7","4","1") = "6"
    & skf21("4","1","4","1","1","7","5","1") = "6"
    & skf21("4","1","4","1","1","7","6","1") = "6"
    & skf21("4","1","4","1","1","7","7","1") = "6"
    & skf21("4","1","4","1","2","1","1","1") = "3"
    & skf21("4","1","4","1","2","1","2","1") = "3"
    & skf21("4","1","4","1","2","1","3","1") = "3"
    & skf21("4","1","4","1","2","1","4","1") = "3"
    & skf21("4","1","4","1","2","1","5","1") = "4"
    & skf21("4","1","4","1","2","1","6","1") = "5"
    & skf21("4","1","4","1","2","1","7","1") = "6"
    & skf21("4","1","4","1","2","2","1","1") = "3"
    & skf21("4","1","4","1","2","2","2","1") = "3"
    & skf21("4","1","4","1","2","2","3","1") = "3"
    & skf21("4","1","4","1","2","2","4","1") = "3"
    & skf21("4","1","4","1","2","2","5","1") = "4"
    & skf21("4","1","4","1","2","2","6","1") = "5"
    & skf21("4","1","4","1","2","2","7","1") = "6"
    & skf21("4","1","4","1","2","3","1","1") = "3"
    & skf21("4","1","4","1","2","3","2","1") = "3"
    & skf21("4","1","4","1","2","3","3","1") = "3"
    & skf21("4","1","4","1","2","3","4","1") = "3"
    & skf21("4","1","4","1","2","3","5","1") = "4"
    & skf21("4","1","4","1","2","3","6","1") = "5"
    & skf21("4","1","4","1","2","3","7","1") = "6"
    & skf21("4","1","4","1","2","4","1","1") = "3"
    & skf21("4","1","4","1","2","4","2","1") = "3"
    & skf21("4","1","4","1","2","4","3","1") = "3"
    & skf21("4","1","4","1","2","4","4","1") = "3"
    & skf21("4","1","4","1","2","4","5","1") = "4"
    & skf21("4","1","4","1","2","4","6","1") = "5"
    & skf21("4","1","4","1","2","4","7","1") = "6"
    & skf21("4","1","4","1","2","5","1","1") = "4"
    & skf21("4","1","4","1","2","5","2","1") = "4"
    & skf21("4","1","4","1","2","5","3","1") = "4"
    & skf21("4","1","4","1","2","5","4","1") = "4"
    & skf21("4","1","4","1","2","5","5","1") = "4"
    & skf21("4","1","4","1","2","5","6","1") = "5"
    & skf21("4","1","4","1","2","5","7","1") = "6"
    & skf21("4","1","4","1","2","6","1","1") = "5"
    & skf21("4","1","4","1","2","6","2","1") = "5"
    & skf21("4","1","4","1","2","6","3","1") = "5"
    & skf21("4","1","4","1","2","6","4","1") = "5"
    & skf21("4","1","4","1","2","6","5","1") = "5"
    & skf21("4","1","4","1","2","6","6","1") = "5"
    & skf21("4","1","4","1","2","6","7","1") = "6"
    & skf21("4","1","4","1","2","7","1","1") = "6"
    & skf21("4","1","4","1","2","7","2","1") = "6"
    & skf21("4","1","4","1","2","7","3","1") = "6"
    & skf21("4","1","4","1","2","7","4","1") = "6"
    & skf21("4","1","4","1","2","7","5","1") = "6"
    & skf21("4","1","4","1","2","7","6","1") = "6"
    & skf21("4","1","4","1","2","7","7","1") = "6"
    & skf21("4","1","4","1","3","1","1","1") = "3"
    & skf21("4","1","4","1","3","1","2","1") = "3"
    & skf21("4","1","4","1","3","1","3","1") = "3"
    & skf21("4","1","4","1","3","1","4","1") = "3"
    & skf21("4","1","4","1","3","1","5","1") = "4"
    & skf21("4","1","4","1","3","1","6","1") = "5"
    & skf21("4","1","4","1","3","1","7","1") = "6"
    & skf21("4","1","4","1","3","2","1","1") = "3"
    & skf21("4","1","4","1","3","2","2","1") = "3"
    & skf21("4","1","4","1","3","2","3","1") = "3"
    & skf21("4","1","4","1","3","2","4","1") = "3"
    & skf21("4","1","4","1","3","2","5","1") = "4"
    & skf21("4","1","4","1","3","2","6","1") = "5"
    & skf21("4","1","4","1","3","2","7","1") = "6"
    & skf21("4","1","4","1","3","3","1","1") = "3"
    & skf21("4","1","4","1","3","3","2","1") = "3"
    & skf21("4","1","4","1","3","3","3","1") = "3"
    & skf21("4","1","4","1","3","3","4","1") = "3"
    & skf21("4","1","4","1","3","3","5","1") = "4"
    & skf21("4","1","4","1","3","3","6","1") = "5"
    & skf21("4","1","4","1","3","3","7","1") = "6"
    & skf21("4","1","4","1","3","4","1","1") = "3"
    & skf21("4","1","4","1","3","4","2","1") = "3"
    & skf21("4","1","4","1","3","4","3","1") = "3"
    & skf21("4","1","4","1","3","4","4","1") = "3"
    & skf21("4","1","4","1","3","4","5","1") = "4"
    & skf21("4","1","4","1","3","4","6","1") = "5"
    & skf21("4","1","4","1","3","4","7","1") = "6"
    & skf21("4","1","4","1","3","5","1","1") = "4"
    & skf21("4","1","4","1","3","5","2","1") = "4"
    & skf21("4","1","4","1","3","5","3","1") = "4"
    & skf21("4","1","4","1","3","5","4","1") = "4"
    & skf21("4","1","4","1","3","5","5","1") = "4"
    & skf21("4","1","4","1","3","5","6","1") = "5"
    & skf21("4","1","4","1","3","5","7","1") = "6"
    & skf21("4","1","4","1","3","6","1","1") = "5"
    & skf21("4","1","4","1","3","6","2","1") = "5"
    & skf21("4","1","4","1","3","6","3","1") = "5"
    & skf21("4","1","4","1","3","6","4","1") = "5"
    & skf21("4","1","4","1","3","6","5","1") = "5"
    & skf21("4","1","4","1","3","6","6","1") = "5"
    & skf21("4","1","4","1","3","6","7","1") = "6"
    & skf21("4","1","4","1","3","7","1","1") = "6"
    & skf21("4","1","4","1","3","7","2","1") = "6"
    & skf21("4","1","4","1","3","7","3","1") = "6"
    & skf21("4","1","4","1","3","7","4","1") = "6"
    & skf21("4","1","4","1","3","7","5","1") = "6"
    & skf21("4","1","4","1","3","7","6","1") = "6"
    & skf21("4","1","4","1","3","7","7","1") = "6"
    & skf21("4","1","4","1","4","1","1","1") = "3"
    & skf21("4","1","4","1","4","1","2","1") = "3"
    & skf21("4","1","4","1","4","1","3","1") = "3"
    & skf21("4","1","4","1","4","1","4","1") = "3"
    & skf21("4","1","4","1","4","1","5","1") = "4"
    & skf21("4","1","4","1","4","1","6","1") = "5"
    & skf21("4","1","4","1","4","1","7","1") = "6"
    & skf21("4","1","4","1","4","2","1","1") = "3"
    & skf21("4","1","4","1","4","2","2","1") = "3"
    & skf21("4","1","4","1","4","2","3","1") = "3"
    & skf21("4","1","4","1","4","2","4","1") = "3"
    & skf21("4","1","4","1","4","2","5","1") = "4"
    & skf21("4","1","4","1","4","2","6","1") = "5"
    & skf21("4","1","4","1","4","2","7","1") = "6"
    & skf21("4","1","4","1","4","3","1","1") = "3"
    & skf21("4","1","4","1","4","3","2","1") = "3"
    & skf21("4","1","4","1","4","3","3","1") = "3"
    & skf21("4","1","4","1","4","3","4","1") = "3"
    & skf21("4","1","4","1","4","3","5","1") = "4"
    & skf21("4","1","4","1","4","3","6","1") = "5"
    & skf21("4","1","4","1","4","3","7","1") = "6"
    & skf21("4","1","4","1","4","4","1","1") = "3"
    & skf21("4","1","4","1","4","4","2","1") = "3"
    & skf21("4","1","4","1","4","4","3","1") = "3"
    & skf21("4","1","4","1","4","4","4","1") = "3"
    & skf21("4","1","4","1","4","4","5","1") = "4"
    & skf21("4","1","4","1","4","4","6","1") = "5"
    & skf21("4","1","4","1","4","4","7","1") = "6"
    & skf21("4","1","4","1","4","5","1","1") = "4"
    & skf21("4","1","4","1","4","5","2","1") = "4"
    & skf21("4","1","4","1","4","5","3","1") = "4"
    & skf21("4","1","4","1","4","5","4","1") = "4"
    & skf21("4","1","4","1","4","5","5","1") = "4"
    & skf21("4","1","4","1","4","5","6","1") = "5"
    & skf21("4","1","4","1","4","5","7","1") = "6"
    & skf21("4","1","4","1","4","6","1","1") = "5"
    & skf21("4","1","4","1","4","6","2","1") = "5"
    & skf21("4","1","4","1","4","6","3","1") = "5"
    & skf21("4","1","4","1","4","6","4","1") = "5"
    & skf21("4","1","4","1","4","6","5","1") = "5"
    & skf21("4","1","4","1","4","6","6","1") = "5"
    & skf21("4","1","4","1","4","6","7","1") = "6"
    & skf21("4","1","4","1","4","7","1","1") = "6"
    & skf21("4","1","4","1","4","7","2","1") = "6"
    & skf21("4","1","4","1","4","7","3","1") = "6"
    & skf21("4","1","4","1","4","7","4","1") = "6"
    & skf21("4","1","4","1","4","7","5","1") = "6"
    & skf21("4","1","4","1","4","7","6","1") = "6"
    & skf21("4","1","4","1","4","7","7","1") = "6"
    & skf21("4","1","4","1","5","1","1","1") = "4"
    & skf21("4","1","4","1","5","1","2","1") = "4"
    & skf21("4","1","4","1","5","1","3","1") = "4"
    & skf21("4","1","4","1","5","1","4","1") = "4"
    & skf21("4","1","4","1","5","1","5","1") = "4"
    & skf21("4","1","4","1","5","1","6","1") = "5"
    & skf21("4","1","4","1","5","1","7","1") = "6"
    & skf21("4","1","4","1","5","2","1","1") = "4"
    & skf21("4","1","4","1","5","2","2","1") = "4"
    & skf21("4","1","4","1","5","2","3","1") = "4"
    & skf21("4","1","4","1","5","2","4","1") = "4"
    & skf21("4","1","4","1","5","2","5","1") = "4"
    & skf21("4","1","4","1","5","2","6","1") = "5"
    & skf21("4","1","4","1","5","2","7","1") = "6"
    & skf21("4","1","4","1","5","3","1","1") = "4"
    & skf21("4","1","4","1","5","3","2","1") = "4"
    & skf21("4","1","4","1","5","3","3","1") = "4"
    & skf21("4","1","4","1","5","3","4","1") = "4"
    & skf21("4","1","4","1","5","3","5","1") = "4"
    & skf21("4","1","4","1","5","3","6","1") = "5"
    & skf21("4","1","4","1","5","3","7","1") = "6"
    & skf21("4","1","4","1","5","4","1","1") = "4"
    & skf21("4","1","4","1","5","4","2","1") = "4"
    & skf21("4","1","4","1","5","4","3","1") = "4"
    & skf21("4","1","4","1","5","4","4","1") = "4"
    & skf21("4","1","4","1","5","4","5","1") = "4"
    & skf21("4","1","4","1","5","4","6","1") = "5"
    & skf21("4","1","4","1","5","4","7","1") = "6"
    & skf21("4","1","4","1","5","5","1","1") = "4"
    & skf21("4","1","4","1","5","5","2","1") = "4"
    & skf21("4","1","4","1","5","5","3","1") = "4"
    & skf21("4","1","4","1","5","5","4","1") = "4"
    & skf21("4","1","4","1","5","5","5","1") = "4"
    & skf21("4","1","4","1","5","5","6","1") = "5"
    & skf21("4","1","4","1","5","5","7","1") = "6"
    & skf21("4","1","4","1","5","6","1","1") = "5"
    & skf21("4","1","4","1","5","6","2","1") = "5"
    & skf21("4","1","4","1","5","6","3","1") = "5"
    & skf21("4","1","4","1","5","6","4","1") = "5"
    & skf21("4","1","4","1","5","6","5","1") = "5"
    & skf21("4","1","4","1","5","6","6","1") = "5"
    & skf21("4","1","4","1","5","6","7","1") = "6"
    & skf21("4","1","4","1","5","7","1","1") = "6"
    & skf21("4","1","4","1","5","7","2","1") = "6"
    & skf21("4","1","4","1","5","7","3","1") = "6"
    & skf21("4","1","4","1","5","7","4","1") = "6"
    & skf21("4","1","4","1","5","7","5","1") = "6"
    & skf21("4","1","4","1","5","7","6","1") = "6"
    & skf21("4","1","4","1","5","7","7","1") = "6"
    & skf21("4","1","4","1","6","1","1","1") = "5"
    & skf21("4","1","4","1","6","1","2","1") = "5"
    & skf21("4","1","4","1","6","1","3","1") = "5"
    & skf21("4","1","4","1","6","1","4","1") = "5"
    & skf21("4","1","4","1","6","1","5","1") = "5"
    & skf21("4","1","4","1","6","1","6","1") = "5"
    & skf21("4","1","4","1","6","1","7","1") = "6"
    & skf21("4","1","4","1","6","2","1","1") = "5"
    & skf21("4","1","4","1","6","2","2","1") = "5"
    & skf21("4","1","4","1","6","2","3","1") = "5"
    & skf21("4","1","4","1","6","2","4","1") = "5"
    & skf21("4","1","4","1","6","2","5","1") = "5"
    & skf21("4","1","4","1","6","2","6","1") = "5"
    & skf21("4","1","4","1","6","2","7","1") = "6"
    & skf21("4","1","4","1","6","3","1","1") = "5"
    & skf21("4","1","4","1","6","3","2","1") = "5"
    & skf21("4","1","4","1","6","3","3","1") = "5"
    & skf21("4","1","4","1","6","3","4","1") = "5"
    & skf21("4","1","4","1","6","3","5","1") = "5"
    & skf21("4","1","4","1","6","3","6","1") = "5"
    & skf21("4","1","4","1","6","3","7","1") = "6"
    & skf21("4","1","4","1","6","4","1","1") = "5"
    & skf21("4","1","4","1","6","4","2","1") = "5"
    & skf21("4","1","4","1","6","4","3","1") = "5"
    & skf21("4","1","4","1","6","4","4","1") = "5"
    & skf21("4","1","4","1","6","4","5","1") = "5"
    & skf21("4","1","4","1","6","4","6","1") = "5"
    & skf21("4","1","4","1","6","4","7","1") = "6"
    & skf21("4","1","4","1","6","5","1","1") = "5"
    & skf21("4","1","4","1","6","5","2","1") = "5"
    & skf21("4","1","4","1","6","5","3","1") = "5"
    & skf21("4","1","4","1","6","5","4","1") = "5"
    & skf21("4","1","4","1","6","5","5","1") = "5"
    & skf21("4","1","4","1","6","5","6","1") = "5"
    & skf21("4","1","4","1","6","5","7","1") = "6"
    & skf21("4","1","4","1","6","6","1","1") = "5"
    & skf21("4","1","4","1","6","6","2","1") = "5"
    & skf21("4","1","4","1","6","6","3","1") = "5"
    & skf21("4","1","4","1","6","6","4","1") = "5"
    & skf21("4","1","4","1","6","6","5","1") = "5"
    & skf21("4","1","4","1","6","6","6","1") = "5"
    & skf21("4","1","4","1","6","6","7","1") = "6"
    & skf21("4","1","4","1","6","7","1","1") = "6"
    & skf21("4","1","4","1","6","7","2","1") = "6"
    & skf21("4","1","4","1","6","7","3","1") = "6"
    & skf21("4","1","4","1","6","7","4","1") = "6"
    & skf21("4","1","4","1","6","7","5","1") = "6"
    & skf21("4","1","4","1","6","7","6","1") = "6"
    & skf21("4","1","4","1","6","7","7","1") = "6"
    & skf21("4","1","4","1","7","1","1","1") = "6"
    & skf21("4","1","4","1","7","1","2","1") = "6"
    & skf21("4","1","4","1","7","1","3","1") = "6"
    & skf21("4","1","4","1","7","1","4","1") = "6"
    & skf21("4","1","4","1","7","1","5","1") = "6"
    & skf21("4","1","4","1","7","1","6","1") = "6"
    & skf21("4","1","4","1","7","1","7","1") = "6"
    & skf21("4","1","4","1","7","2","1","1") = "6"
    & skf21("4","1","4","1","7","2","2","1") = "6"
    & skf21("4","1","4","1","7","2","3","1") = "6"
    & skf21("4","1","4","1","7","2","4","1") = "6"
    & skf21("4","1","4","1","7","2","5","1") = "6"
    & skf21("4","1","4","1","7","2","6","1") = "6"
    & skf21("4","1","4","1","7","2","7","1") = "6"
    & skf21("4","1","4","1","7","3","1","1") = "6"
    & skf21("4","1","4","1","7","3","2","1") = "6"
    & skf21("4","1","4","1","7","3","3","1") = "6"
    & skf21("4","1","4","1","7","3","4","1") = "6"
    & skf21("4","1","4","1","7","3","5","1") = "6"
    & skf21("4","1","4","1","7","3","6","1") = "6"
    & skf21("4","1","4","1","7","3","7","1") = "6"
    & skf21("4","1","4","1","7","4","1","1") = "6"
    & skf21("4","1","4","1","7","4","2","1") = "6"
    & skf21("4","1","4","1","7","4","3","1") = "6"
    & skf21("4","1","4","1","7","4","4","1") = "6"
    & skf21("4","1","4","1","7","4","5","1") = "6"
    & skf21("4","1","4","1","7","4","6","1") = "6"
    & skf21("4","1","4","1","7","4","7","1") = "6"
    & skf21("4","1","4","1","7","5","1","1") = "6"
    & skf21("4","1","4","1","7","5","2","1") = "6"
    & skf21("4","1","4","1","7","5","3","1") = "6"
    & skf21("4","1","4","1","7","5","4","1") = "6"
    & skf21("4","1","4","1","7","5","5","1") = "6"
    & skf21("4","1","4","1","7","5","6","1") = "6"
    & skf21("4","1","4","1","7","5","7","1") = "6"
    & skf21("4","1","4","1","7","6","1","1") = "6"
    & skf21("4","1","4","1","7","6","2","1") = "6"
    & skf21("4","1","4","1","7","6","3","1") = "6"
    & skf21("4","1","4","1","7","6","4","1") = "6"
    & skf21("4","1","4","1","7","6","5","1") = "6"
    & skf21("4","1","4","1","7","6","6","1") = "6"
    & skf21("4","1","4","1","7","6","7","1") = "6"
    & skf21("4","1","4","1","7","7","1","1") = "6"
    & skf21("4","1","4","1","7","7","2","1") = "6"
    & skf21("4","1","4","1","7","7","3","1") = "6"
    & skf21("4","1","4","1","7","7","4","1") = "6"
    & skf21("4","1","4","1","7","7","5","1") = "6"
    & skf21("4","1","4","1","7","7","6","1") = "6"
    & skf21("4","1","4","1","7","7","7","1") = "6"
    & skf21("4","1","4","2","1","1","1","1") = "3"
    & skf21("4","1","4","2","1","1","2","1") = "3"
    & skf21("4","1","4","2","1","1","3","1") = "3"
    & skf21("4","1","4","2","1","1","4","1") = "3"
    & skf21("4","1","4","2","1","1","5","1") = "4"
    & skf21("4","1","4","2","1","1","6","1") = "5"
    & skf21("4","1","4","2","1","1","7","1") = "6"
    & skf21("4","1","4","2","1","2","1","1") = "3"
    & skf21("4","1","4","2","1","2","2","1") = "3"
    & skf21("4","1","4","2","1","2","3","1") = "3"
    & skf21("4","1","4","2","1","2","4","1") = "3"
    & skf21("4","1","4","2","1","2","5","1") = "4"
    & skf21("4","1","4","2","1","2","6","1") = "5"
    & skf21("4","1","4","2","1","2","7","1") = "6"
    & skf21("4","1","4","2","1","3","1","1") = "3"
    & skf21("4","1","4","2","1","3","2","1") = "3"
    & skf21("4","1","4","2","1","3","3","1") = "3"
    & skf21("4","1","4","2","1","3","4","1") = "3"
    & skf21("4","1","4","2","1","3","5","1") = "4"
    & skf21("4","1","4","2","1","3","6","1") = "5"
    & skf21("4","1","4","2","1","3","7","1") = "6"
    & skf21("4","1","4","2","1","4","1","1") = "3"
    & skf21("4","1","4","2","1","4","2","1") = "3"
    & skf21("4","1","4","2","1","4","3","1") = "3"
    & skf21("4","1","4","2","1","4","4","1") = "3"
    & skf21("4","1","4","2","1","4","5","1") = "4"
    & skf21("4","1","4","2","1","4","6","1") = "5"
    & skf21("4","1","4","2","1","4","7","1") = "6"
    & skf21("4","1","4","2","1","5","1","1") = "4"
    & skf21("4","1","4","2","1","5","2","1") = "4"
    & skf21("4","1","4","2","1","5","3","1") = "4"
    & skf21("4","1","4","2","1","5","4","1") = "4"
    & skf21("4","1","4","2","1","5","5","1") = "4"
    & skf21("4","1","4","2","1","5","6","1") = "5"
    & skf21("4","1","4","2","1","5","7","1") = "6"
    & skf21("4","1","4","2","1","6","1","1") = "5"
    & skf21("4","1","4","2","1","6","2","1") = "5"
    & skf21("4","1","4","2","1","6","3","1") = "5"
    & skf21("4","1","4","2","1","6","4","1") = "5"
    & skf21("4","1","4","2","1","6","5","1") = "5"
    & skf21("4","1","4","2","1","6","6","1") = "5"
    & skf21("4","1","4","2","1","6","7","1") = "6"
    & skf21("4","1","4","2","1","7","1","1") = "6"
    & skf21("4","1","4","2","1","7","2","1") = "6"
    & skf21("4","1","4","2","1","7","3","1") = "6"
    & skf21("4","1","4","2","1","7","4","1") = "6"
    & skf21("4","1","4","2","1","7","5","1") = "6"
    & skf21("4","1","4","2","1","7","6","1") = "6"
    & skf21("4","1","4","2","1","7","7","1") = "6"
    & skf21("4","1","4","2","2","1","1","1") = "3"
    & skf21("4","1","4","2","2","1","2","1") = "3"
    & skf21("4","1","4","2","2","1","3","1") = "3"
    & skf21("4","1","4","2","2","1","4","1") = "3"
    & skf21("4","1","4","2","2","1","5","1") = "4"
    & skf21("4","1","4","2","2","1","6","1") = "5"
    & skf21("4","1","4","2","2","1","7","1") = "6"
    & skf21("4","1","4","2","2","2","1","1") = "3"
    & skf21("4","1","4","2","2","2","2","1") = "3"
    & skf21("4","1","4","2","2","2","3","1") = "3"
    & skf21("4","1","4","2","2","2","4","1") = "3"
    & skf21("4","1","4","2","2","2","5","1") = "4"
    & skf21("4","1","4","2","2","2","6","1") = "5"
    & skf21("4","1","4","2","2","2","7","1") = "6"
    & skf21("4","1","4","2","2","3","1","1") = "3"
    & skf21("4","1","4","2","2","3","2","1") = "3"
    & skf21("4","1","4","2","2","3","3","1") = "3"
    & skf21("4","1","4","2","2","3","4","1") = "3"
    & skf21("4","1","4","2","2","3","5","1") = "4"
    & skf21("4","1","4","2","2","3","6","1") = "5"
    & skf21("4","1","4","2","2","3","7","1") = "6"
    & skf21("4","1","4","2","2","4","1","1") = "3"
    & skf21("4","1","4","2","2","4","2","1") = "3"
    & skf21("4","1","4","2","2","4","3","1") = "3"
    & skf21("4","1","4","2","2","4","4","1") = "3"
    & skf21("4","1","4","2","2","4","5","1") = "4"
    & skf21("4","1","4","2","2","4","6","1") = "5"
    & skf21("4","1","4","2","2","4","7","1") = "6"
    & skf21("4","1","4","2","2","5","1","1") = "4"
    & skf21("4","1","4","2","2","5","2","1") = "4"
    & skf21("4","1","4","2","2","5","3","1") = "4"
    & skf21("4","1","4","2","2","5","4","1") = "4"
    & skf21("4","1","4","2","2","5","5","1") = "4"
    & skf21("4","1","4","2","2","5","6","1") = "5"
    & skf21("4","1","4","2","2","5","7","1") = "6"
    & skf21("4","1","4","2","2","6","1","1") = "5"
    & skf21("4","1","4","2","2","6","2","1") = "5"
    & skf21("4","1","4","2","2","6","3","1") = "5"
    & skf21("4","1","4","2","2","6","4","1") = "5"
    & skf21("4","1","4","2","2","6","5","1") = "5"
    & skf21("4","1","4","2","2","6","6","1") = "5"
    & skf21("4","1","4","2","2","6","7","1") = "6"
    & skf21("4","1","4","2","2","7","1","1") = "6"
    & skf21("4","1","4","2","2","7","2","1") = "6"
    & skf21("4","1","4","2","2","7","3","1") = "6"
    & skf21("4","1","4","2","2","7","4","1") = "6"
    & skf21("4","1","4","2","2","7","5","1") = "6"
    & skf21("4","1","4","2","2","7","6","1") = "6"
    & skf21("4","1","4","2","2","7","7","1") = "6"
    & skf21("4","1","4","2","3","1","1","1") = "3"
    & skf21("4","1","4","2","3","1","2","1") = "3"
    & skf21("4","1","4","2","3","1","3","1") = "3"
    & skf21("4","1","4","2","3","1","4","1") = "3"
    & skf21("4","1","4","2","3","1","5","1") = "4"
    & skf21("4","1","4","2","3","1","6","1") = "5"
    & skf21("4","1","4","2","3","1","7","1") = "6"
    & skf21("4","1","4","2","3","2","1","1") = "3"
    & skf21("4","1","4","2","3","2","2","1") = "3"
    & skf21("4","1","4","2","3","2","3","1") = "3"
    & skf21("4","1","4","2","3","2","4","1") = "3"
    & skf21("4","1","4","2","3","2","5","1") = "4"
    & skf21("4","1","4","2","3","2","6","1") = "5"
    & skf21("4","1","4","2","3","2","7","1") = "6"
    & skf21("4","1","4","2","3","3","1","1") = "3"
    & skf21("4","1","4","2","3","3","2","1") = "3"
    & skf21("4","1","4","2","3","3","3","1") = "3"
    & skf21("4","1","4","2","3","3","4","1") = "3"
    & skf21("4","1","4","2","3","3","5","1") = "4"
    & skf21("4","1","4","2","3","3","6","1") = "5"
    & skf21("4","1","4","2","3","3","7","1") = "6"
    & skf21("4","1","4","2","3","4","1","1") = "3"
    & skf21("4","1","4","2","3","4","2","1") = "3"
    & skf21("4","1","4","2","3","4","3","1") = "3"
    & skf21("4","1","4","2","3","4","4","1") = "3"
    & skf21("4","1","4","2","3","4","5","1") = "4"
    & skf21("4","1","4","2","3","4","6","1") = "5"
    & skf21("4","1","4","2","3","4","7","1") = "6"
    & skf21("4","1","4","2","3","5","1","1") = "4"
    & skf21("4","1","4","2","3","5","2","1") = "4"
    & skf21("4","1","4","2","3","5","3","1") = "4"
    & skf21("4","1","4","2","3","5","4","1") = "4"
    & skf21("4","1","4","2","3","5","5","1") = "4"
    & skf21("4","1","4","2","3","5","6","1") = "5"
    & skf21("4","1","4","2","3","5","7","1") = "6"
    & skf21("4","1","4","2","3","6","1","1") = "5"
    & skf21("4","1","4","2","3","6","2","1") = "5"
    & skf21("4","1","4","2","3","6","3","1") = "5"
    & skf21("4","1","4","2","3","6","4","1") = "5"
    & skf21("4","1","4","2","3","6","5","1") = "5"
    & skf21("4","1","4","2","3","6","6","1") = "5"
    & skf21("4","1","4","2","3","6","7","1") = "6"
    & skf21("4","1","4","2","3","7","1","1") = "6"
    & skf21("4","1","4","2","3","7","2","1") = "6"
    & skf21("4","1","4","2","3","7","3","1") = "6"
    & skf21("4","1","4","2","3","7","4","1") = "6"
    & skf21("4","1","4","2","3","7","5","1") = "6"
    & skf21("4","1","4","2","3","7","6","1") = "6"
    & skf21("4","1","4","2","3","7","7","1") = "6"
    & skf21("4","1","4","2","4","1","1","1") = "3"
    & skf21("4","1","4","2","4","1","2","1") = "3"
    & skf21("4","1","4","2","4","1","3","1") = "3"
    & skf21("4","1","4","2","4","1","4","1") = "3"
    & skf21("4","1","4","2","4","1","5","1") = "4"
    & skf21("4","1","4","2","4","1","6","1") = "5"
    & skf21("4","1","4","2","4","1","7","1") = "6"
    & skf21("4","1","4","2","4","2","1","1") = "3"
    & skf21("4","1","4","2","4","2","2","1") = "3"
    & skf21("4","1","4","2","4","2","3","1") = "3"
    & skf21("4","1","4","2","4","2","4","1") = "3"
    & skf21("4","1","4","2","4","2","5","1") = "4"
    & skf21("4","1","4","2","4","2","6","1") = "5"
    & skf21("4","1","4","2","4","2","7","1") = "6"
    & skf21("4","1","4","2","4","3","1","1") = "3"
    & skf21("4","1","4","2","4","3","2","1") = "3"
    & skf21("4","1","4","2","4","3","3","1") = "3"
    & skf21("4","1","4","2","4","3","4","1") = "3"
    & skf21("4","1","4","2","4","3","5","1") = "4"
    & skf21("4","1","4","2","4","3","6","1") = "5"
    & skf21("4","1","4","2","4","3","7","1") = "6"
    & skf21("4","1","4","2","4","4","1","1") = "3"
    & skf21("4","1","4","2","4","4","2","1") = "3"
    & skf21("4","1","4","2","4","4","3","1") = "3"
    & skf21("4","1","4","2","4","4","4","1") = "3"
    & skf21("4","1","4","2","4","4","5","1") = "4"
    & skf21("4","1","4","2","4","4","6","1") = "5"
    & skf21("4","1","4","2","4","4","7","1") = "6"
    & skf21("4","1","4","2","4","5","1","1") = "4"
    & skf21("4","1","4","2","4","5","2","1") = "4"
    & skf21("4","1","4","2","4","5","3","1") = "4"
    & skf21("4","1","4","2","4","5","4","1") = "4"
    & skf21("4","1","4","2","4","5","5","1") = "4"
    & skf21("4","1","4","2","4","5","6","1") = "5"
    & skf21("4","1","4","2","4","5","7","1") = "6"
    & skf21("4","1","4","2","4","6","1","1") = "5"
    & skf21("4","1","4","2","4","6","2","1") = "5"
    & skf21("4","1","4","2","4","6","3","1") = "5"
    & skf21("4","1","4","2","4","6","4","1") = "5"
    & skf21("4","1","4","2","4","6","5","1") = "5"
    & skf21("4","1","4","2","4","6","6","1") = "5"
    & skf21("4","1","4","2","4","6","7","1") = "6"
    & skf21("4","1","4","2","4","7","1","1") = "6"
    & skf21("4","1","4","2","4","7","2","1") = "6"
    & skf21("4","1","4","2","4","7","3","1") = "6"
    & skf21("4","1","4","2","4","7","4","1") = "6"
    & skf21("4","1","4","2","4","7","5","1") = "6"
    & skf21("4","1","4","2","4","7","6","1") = "6"
    & skf21("4","1","4","2","4","7","7","1") = "6"
    & skf21("4","1","4","2","5","1","1","1") = "4"
    & skf21("4","1","4","2","5","1","2","1") = "4"
    & skf21("4","1","4","2","5","1","3","1") = "4"
    & skf21("4","1","4","2","5","1","4","1") = "4"
    & skf21("4","1","4","2","5","1","5","1") = "4"
    & skf21("4","1","4","2","5","1","6","1") = "5"
    & skf21("4","1","4","2","5","1","7","1") = "6"
    & skf21("4","1","4","2","5","2","1","1") = "4"
    & skf21("4","1","4","2","5","2","2","1") = "4"
    & skf21("4","1","4","2","5","2","3","1") = "4"
    & skf21("4","1","4","2","5","2","4","1") = "4"
    & skf21("4","1","4","2","5","2","5","1") = "4"
    & skf21("4","1","4","2","5","2","6","1") = "5"
    & skf21("4","1","4","2","5","2","7","1") = "6"
    & skf21("4","1","4","2","5","3","1","1") = "4"
    & skf21("4","1","4","2","5","3","2","1") = "4"
    & skf21("4","1","4","2","5","3","3","1") = "4"
    & skf21("4","1","4","2","5","3","4","1") = "4"
    & skf21("4","1","4","2","5","3","5","1") = "4"
    & skf21("4","1","4","2","5","3","6","1") = "5"
    & skf21("4","1","4","2","5","3","7","1") = "6"
    & skf21("4","1","4","2","5","4","1","1") = "4"
    & skf21("4","1","4","2","5","4","2","1") = "4"
    & skf21("4","1","4","2","5","4","3","1") = "4"
    & skf21("4","1","4","2","5","4","4","1") = "4"
    & skf21("4","1","4","2","5","4","5","1") = "4"
    & skf21("4","1","4","2","5","4","6","1") = "5"
    & skf21("4","1","4","2","5","4","7","1") = "6"
    & skf21("4","1","4","2","5","5","1","1") = "4"
    & skf21("4","1","4","2","5","5","2","1") = "4"
    & skf21("4","1","4","2","5","5","3","1") = "4"
    & skf21("4","1","4","2","5","5","4","1") = "4"
    & skf21("4","1","4","2","5","5","5","1") = "4"
    & skf21("4","1","4","2","5","5","6","1") = "5"
    & skf21("4","1","4","2","5","5","7","1") = "6"
    & skf21("4","1","4","2","5","6","1","1") = "5"
    & skf21("4","1","4","2","5","6","2","1") = "5"
    & skf21("4","1","4","2","5","6","3","1") = "5"
    & skf21("4","1","4","2","5","6","4","1") = "5"
    & skf21("4","1","4","2","5","6","5","1") = "5"
    & skf21("4","1","4","2","5","6","6","1") = "5"
    & skf21("4","1","4","2","5","6","7","1") = "6"
    & skf21("4","1","4","2","5","7","1","1") = "6"
    & skf21("4","1","4","2","5","7","2","1") = "6"
    & skf21("4","1","4","2","5","7","3","1") = "6"
    & skf21("4","1","4","2","5","7","4","1") = "6"
    & skf21("4","1","4","2","5","7","5","1") = "6"
    & skf21("4","1","4","2","5","7","6","1") = "6"
    & skf21("4","1","4","2","5","7","7","1") = "6"
    & skf21("4","1","4","2","6","1","1","1") = "5"
    & skf21("4","1","4","2","6","1","2","1") = "5"
    & skf21("4","1","4","2","6","1","3","1") = "5"
    & skf21("4","1","4","2","6","1","4","1") = "5"
    & skf21("4","1","4","2","6","1","5","1") = "5"
    & skf21("4","1","4","2","6","1","6","1") = "5"
    & skf21("4","1","4","2","6","1","7","1") = "6"
    & skf21("4","1","4","2","6","2","1","1") = "5"
    & skf21("4","1","4","2","6","2","2","1") = "5"
    & skf21("4","1","4","2","6","2","3","1") = "5"
    & skf21("4","1","4","2","6","2","4","1") = "5"
    & skf21("4","1","4","2","6","2","5","1") = "5"
    & skf21("4","1","4","2","6","2","6","1") = "5"
    & skf21("4","1","4","2","6","2","7","1") = "6"
    & skf21("4","1","4","2","6","3","1","1") = "5"
    & skf21("4","1","4","2","6","3","2","1") = "5"
    & skf21("4","1","4","2","6","3","3","1") = "5"
    & skf21("4","1","4","2","6","3","4","1") = "5"
    & skf21("4","1","4","2","6","3","5","1") = "5"
    & skf21("4","1","4","2","6","3","6","1") = "5"
    & skf21("4","1","4","2","6","3","7","1") = "6"
    & skf21("4","1","4","2","6","4","1","1") = "5"
    & skf21("4","1","4","2","6","4","2","1") = "5"
    & skf21("4","1","4","2","6","4","3","1") = "5"
    & skf21("4","1","4","2","6","4","4","1") = "5"
    & skf21("4","1","4","2","6","4","5","1") = "5"
    & skf21("4","1","4","2","6","4","6","1") = "5"
    & skf21("4","1","4","2","6","4","7","1") = "6"
    & skf21("4","1","4","2","6","5","1","1") = "5"
    & skf21("4","1","4","2","6","5","2","1") = "5"
    & skf21("4","1","4","2","6","5","3","1") = "5"
    & skf21("4","1","4","2","6","5","4","1") = "5"
    & skf21("4","1","4","2","6","5","5","1") = "5"
    & skf21("4","1","4","2","6","5","6","1") = "5"
    & skf21("4","1","4","2","6","5","7","1") = "6"
    & skf21("4","1","4","2","6","6","1","1") = "5"
    & skf21("4","1","4","2","6","6","2","1") = "5"
    & skf21("4","1","4","2","6","6","3","1") = "5"
    & skf21("4","1","4","2","6","6","4","1") = "5"
    & skf21("4","1","4","2","6","6","5","1") = "5"
    & skf21("4","1","4","2","6","6","6","1") = "5"
    & skf21("4","1","4","2","6","6","7","1") = "6"
    & skf21("4","1","4","2","6","7","1","1") = "6"
    & skf21("4","1","4","2","6","7","2","1") = "6"
    & skf21("4","1","4","2","6","7","3","1") = "6"
    & skf21("4","1","4","2","6","7","4","1") = "6"
    & skf21("4","1","4","2","6","7","5","1") = "6"
    & skf21("4","1","4","2","6","7","6","1") = "6"
    & skf21("4","1","4","2","6","7","7","1") = "6"
    & skf21("4","1","4","2","7","1","1","1") = "6"
    & skf21("4","1","4","2","7","1","2","1") = "6"
    & skf21("4","1","4","2","7","1","3","1") = "6"
    & skf21("4","1","4","2","7","1","4","1") = "6"
    & skf21("4","1","4","2","7","1","5","1") = "6"
    & skf21("4","1","4","2","7","1","6","1") = "6"
    & skf21("4","1","4","2","7","1","7","1") = "6"
    & skf21("4","1","4","2","7","2","1","1") = "6"
    & skf21("4","1","4","2","7","2","2","1") = "6"
    & skf21("4","1","4","2","7","2","3","1") = "6"
    & skf21("4","1","4","2","7","2","4","1") = "6"
    & skf21("4","1","4","2","7","2","5","1") = "6"
    & skf21("4","1","4","2","7","2","6","1") = "6"
    & skf21("4","1","4","2","7","2","7","1") = "6"
    & skf21("4","1","4","2","7","3","1","1") = "6"
    & skf21("4","1","4","2","7","3","2","1") = "6"
    & skf21("4","1","4","2","7","3","3","1") = "6"
    & skf21("4","1","4","2","7","3","4","1") = "6"
    & skf21("4","1","4","2","7","3","5","1") = "6"
    & skf21("4","1","4","2","7","3","6","1") = "6"
    & skf21("4","1","4","2","7","3","7","1") = "6"
    & skf21("4","1","4","2","7","4","1","1") = "6"
    & skf21("4","1","4","2","7","4","2","1") = "6"
    & skf21("4","1","4","2","7","4","3","1") = "6"
    & skf21("4","1","4","2","7","4","4","1") = "6"
    & skf21("4","1","4","2","7","4","5","1") = "6"
    & skf21("4","1","4","2","7","4","6","1") = "6"
    & skf21("4","1","4","2","7","4","7","1") = "6"
    & skf21("4","1","4","2","7","5","1","1") = "6"
    & skf21("4","1","4","2","7","5","2","1") = "6"
    & skf21("4","1","4","2","7","5","3","1") = "6"
    & skf21("4","1","4","2","7","5","4","1") = "6"
    & skf21("4","1","4","2","7","5","5","1") = "6"
    & skf21("4","1","4","2","7","5","6","1") = "6"
    & skf21("4","1","4","2","7","5","7","1") = "6"
    & skf21("4","1","4","2","7","6","1","1") = "6"
    & skf21("4","1","4","2","7","6","2","1") = "6"
    & skf21("4","1","4","2","7","6","3","1") = "6"
    & skf21("4","1","4","2","7","6","4","1") = "6"
    & skf21("4","1","4","2","7","6","5","1") = "6"
    & skf21("4","1","4","2","7","6","6","1") = "6"
    & skf21("4","1","4","2","7","6","7","1") = "6"
    & skf21("4","1","4","2","7","7","1","1") = "6"
    & skf21("4","1","4","2","7","7","2","1") = "6"
    & skf21("4","1","4","2","7","7","3","1") = "6"
    & skf21("4","1","4","2","7","7","4","1") = "6"
    & skf21("4","1","4","2","7","7","5","1") = "6"
    & skf21("4","1","4","2","7","7","6","1") = "6"
    & skf21("4","1","4","2","7","7","7","1") = "6"
    & skf21("4","1","4","3","1","1","1","1") = "3"
    & skf21("4","1","4","3","1","1","2","1") = "3"
    & skf21("4","1","4","3","1","1","3","1") = "3"
    & skf21("4","1","4","3","1","1","4","1") = "3"
    & skf21("4","1","4","3","1","1","5","1") = "4"
    & skf21("4","1","4","3","1","1","6","1") = "5"
    & skf21("4","1","4","3","1","1","7","1") = "6"
    & skf21("4","1","4","3","1","2","1","1") = "3"
    & skf21("4","1","4","3","1","2","2","1") = "3"
    & skf21("4","1","4","3","1","2","3","1") = "3"
    & skf21("4","1","4","3","1","2","4","1") = "3"
    & skf21("4","1","4","3","1","2","5","1") = "4"
    & skf21("4","1","4","3","1","2","6","1") = "5"
    & skf21("4","1","4","3","1","2","7","1") = "6"
    & skf21("4","1","4","3","1","3","1","1") = "3"
    & skf21("4","1","4","3","1","3","2","1") = "3"
    & skf21("4","1","4","3","1","3","3","1") = "3"
    & skf21("4","1","4","3","1","3","4","1") = "3"
    & skf21("4","1","4","3","1","3","5","1") = "4"
    & skf21("4","1","4","3","1","3","6","1") = "5"
    & skf21("4","1","4","3","1","3","7","1") = "6"
    & skf21("4","1","4","3","1","4","1","1") = "3"
    & skf21("4","1","4","3","1","4","2","1") = "3"
    & skf21("4","1","4","3","1","4","3","1") = "3"
    & skf21("4","1","4","3","1","4","4","1") = "3"
    & skf21("4","1","4","3","1","4","5","1") = "4"
    & skf21("4","1","4","3","1","4","6","1") = "5"
    & skf21("4","1","4","3","1","4","7","1") = "6"
    & skf21("4","1","4","3","1","5","1","1") = "4"
    & skf21("4","1","4","3","1","5","2","1") = "4"
    & skf21("4","1","4","3","1","5","3","1") = "4"
    & skf21("4","1","4","3","1","5","4","1") = "4"
    & skf21("4","1","4","3","1","5","5","1") = "4"
    & skf21("4","1","4","3","1","5","6","1") = "5"
    & skf21("4","1","4","3","1","5","7","1") = "6"
    & skf21("4","1","4","3","1","6","1","1") = "5"
    & skf21("4","1","4","3","1","6","2","1") = "5"
    & skf21("4","1","4","3","1","6","3","1") = "5"
    & skf21("4","1","4","3","1","6","4","1") = "5"
    & skf21("4","1","4","3","1","6","5","1") = "5"
    & skf21("4","1","4","3","1","6","6","1") = "5"
    & skf21("4","1","4","3","1","6","7","1") = "6"
    & skf21("4","1","4","3","1","7","1","1") = "6"
    & skf21("4","1","4","3","1","7","2","1") = "6"
    & skf21("4","1","4","3","1","7","3","1") = "6"
    & skf21("4","1","4","3","1","7","4","1") = "6"
    & skf21("4","1","4","3","1","7","5","1") = "6"
    & skf21("4","1","4","3","1","7","6","1") = "6"
    & skf21("4","1","4","3","1","7","7","1") = "6"
    & skf21("4","1","4","3","2","1","1","1") = "3"
    & skf21("4","1","4","3","2","1","2","1") = "3"
    & skf21("4","1","4","3","2","1","3","1") = "3"
    & skf21("4","1","4","3","2","1","4","1") = "3"
    & skf21("4","1","4","3","2","1","5","1") = "4"
    & skf21("4","1","4","3","2","1","6","1") = "5"
    & skf21("4","1","4","3","2","1","7","1") = "6"
    & skf21("4","1","4","3","2","2","1","1") = "3"
    & skf21("4","1","4","3","2","2","2","1") = "3"
    & skf21("4","1","4","3","2","2","3","1") = "3"
    & skf21("4","1","4","3","2","2","4","1") = "3"
    & skf21("4","1","4","3","2","2","5","1") = "4"
    & skf21("4","1","4","3","2","2","6","1") = "5"
    & skf21("4","1","4","3","2","2","7","1") = "6"
    & skf21("4","1","4","3","2","3","1","1") = "3"
    & skf21("4","1","4","3","2","3","2","1") = "3"
    & skf21("4","1","4","3","2","3","3","1") = "3"
    & skf21("4","1","4","3","2","3","4","1") = "3"
    & skf21("4","1","4","3","2","3","5","1") = "4"
    & skf21("4","1","4","3","2","3","6","1") = "5"
    & skf21("4","1","4","3","2","3","7","1") = "6"
    & skf21("4","1","4","3","2","4","1","1") = "3"
    & skf21("4","1","4","3","2","4","2","1") = "3"
    & skf21("4","1","4","3","2","4","3","1") = "3"
    & skf21("4","1","4","3","2","4","4","1") = "3"
    & skf21("4","1","4","3","2","4","5","1") = "4"
    & skf21("4","1","4","3","2","4","6","1") = "5"
    & skf21("4","1","4","3","2","4","7","1") = "6"
    & skf21("4","1","4","3","2","5","1","1") = "4"
    & skf21("4","1","4","3","2","5","2","1") = "4"
    & skf21("4","1","4","3","2","5","3","1") = "4"
    & skf21("4","1","4","3","2","5","4","1") = "4"
    & skf21("4","1","4","3","2","5","5","1") = "4"
    & skf21("4","1","4","3","2","5","6","1") = "5"
    & skf21("4","1","4","3","2","5","7","1") = "6"
    & skf21("4","1","4","3","2","6","1","1") = "5"
    & skf21("4","1","4","3","2","6","2","1") = "5"
    & skf21("4","1","4","3","2","6","3","1") = "5"
    & skf21("4","1","4","3","2","6","4","1") = "5"
    & skf21("4","1","4","3","2","6","5","1") = "5"
    & skf21("4","1","4","3","2","6","6","1") = "5"
    & skf21("4","1","4","3","2","6","7","1") = "6"
    & skf21("4","1","4","3","2","7","1","1") = "6"
    & skf21("4","1","4","3","2","7","2","1") = "6"
    & skf21("4","1","4","3","2","7","3","1") = "6"
    & skf21("4","1","4","3","2","7","4","1") = "6"
    & skf21("4","1","4","3","2","7","5","1") = "6"
    & skf21("4","1","4","3","2","7","6","1") = "6"
    & skf21("4","1","4","3","2","7","7","1") = "6"
    & skf21("4","1","4","3","3","1","1","1") = "3"
    & skf21("4","1","4","3","3","1","2","1") = "3"
    & skf21("4","1","4","3","3","1","3","1") = "3"
    & skf21("4","1","4","3","3","1","4","1") = "3"
    & skf21("4","1","4","3","3","1","5","1") = "4"
    & skf21("4","1","4","3","3","1","6","1") = "5"
    & skf21("4","1","4","3","3","1","7","1") = "6"
    & skf21("4","1","4","3","3","2","1","1") = "3"
    & skf21("4","1","4","3","3","2","2","1") = "3"
    & skf21("4","1","4","3","3","2","3","1") = "3"
    & skf21("4","1","4","3","3","2","4","1") = "3"
    & skf21("4","1","4","3","3","2","5","1") = "4"
    & skf21("4","1","4","3","3","2","6","1") = "5"
    & skf21("4","1","4","3","3","2","7","1") = "6"
    & skf21("4","1","4","3","3","3","1","1") = "3"
    & skf21("4","1","4","3","3","3","2","1") = "3"
    & skf21("4","1","4","3","3","3","3","1") = "3"
    & skf21("4","1","4","3","3","3","4","1") = "3"
    & skf21("4","1","4","3","3","3","5","1") = "4"
    & skf21("4","1","4","3","3","3","6","1") = "5"
    & skf21("4","1","4","3","3","3","7","1") = "6"
    & skf21("4","1","4","3","3","4","1","1") = "3"
    & skf21("4","1","4","3","3","4","2","1") = "3"
    & skf21("4","1","4","3","3","4","3","1") = "3"
    & skf21("4","1","4","3","3","4","4","1") = "3"
    & skf21("4","1","4","3","3","4","5","1") = "4"
    & skf21("4","1","4","3","3","4","6","1") = "5"
    & skf21("4","1","4","3","3","4","7","1") = "6"
    & skf21("4","1","4","3","3","5","1","1") = "4"
    & skf21("4","1","4","3","3","5","2","1") = "4"
    & skf21("4","1","4","3","3","5","3","1") = "4"
    & skf21("4","1","4","3","3","5","4","1") = "4"
    & skf21("4","1","4","3","3","5","5","1") = "4"
    & skf21("4","1","4","3","3","5","6","1") = "5"
    & skf21("4","1","4","3","3","5","7","1") = "6"
    & skf21("4","1","4","3","3","6","1","1") = "5"
    & skf21("4","1","4","3","3","6","2","1") = "5"
    & skf21("4","1","4","3","3","6","3","1") = "5"
    & skf21("4","1","4","3","3","6","4","1") = "5"
    & skf21("4","1","4","3","3","6","5","1") = "5"
    & skf21("4","1","4","3","3","6","6","1") = "5"
    & skf21("4","1","4","3","3","6","7","1") = "6"
    & skf21("4","1","4","3","3","7","1","1") = "6"
    & skf21("4","1","4","3","3","7","2","1") = "6"
    & skf21("4","1","4","3","3","7","3","1") = "6"
    & skf21("4","1","4","3","3","7","4","1") = "6"
    & skf21("4","1","4","3","3","7","5","1") = "6"
    & skf21("4","1","4","3","3","7","6","1") = "6"
    & skf21("4","1","4","3","3","7","7","1") = "6"
    & skf21("4","1","4","3","4","1","1","1") = "3"
    & skf21("4","1","4","3","4","1","2","1") = "3"
    & skf21("4","1","4","3","4","1","3","1") = "3"
    & skf21("4","1","4","3","4","1","4","1") = "3"
    & skf21("4","1","4","3","4","1","5","1") = "4"
    & skf21("4","1","4","3","4","1","6","1") = "5"
    & skf21("4","1","4","3","4","1","7","1") = "6"
    & skf21("4","1","4","3","4","2","1","1") = "3"
    & skf21("4","1","4","3","4","2","2","1") = "3"
    & skf21("4","1","4","3","4","2","3","1") = "3"
    & skf21("4","1","4","3","4","2","4","1") = "3"
    & skf21("4","1","4","3","4","2","5","1") = "4"
    & skf21("4","1","4","3","4","2","6","1") = "5"
    & skf21("4","1","4","3","4","2","7","1") = "6"
    & skf21("4","1","4","3","4","3","1","1") = "3"
    & skf21("4","1","4","3","4","3","2","1") = "3"
    & skf21("4","1","4","3","4","3","3","1") = "3"
    & skf21("4","1","4","3","4","3","4","1") = "3"
    & skf21("4","1","4","3","4","3","5","1") = "4"
    & skf21("4","1","4","3","4","3","6","1") = "5"
    & skf21("4","1","4","3","4","3","7","1") = "6"
    & skf21("4","1","4","3","4","4","1","1") = "3"
    & skf21("4","1","4","3","4","4","2","1") = "3"
    & skf21("4","1","4","3","4","4","3","1") = "3"
    & skf21("4","1","4","3","4","4","4","1") = "3"
    & skf21("4","1","4","3","4","4","5","1") = "4"
    & skf21("4","1","4","3","4","4","6","1") = "5"
    & skf21("4","1","4","3","4","4","7","1") = "6"
    & skf21("4","1","4","3","4","5","1","1") = "4"
    & skf21("4","1","4","3","4","5","2","1") = "4"
    & skf21("4","1","4","3","4","5","3","1") = "4"
    & skf21("4","1","4","3","4","5","4","1") = "4"
    & skf21("4","1","4","3","4","5","5","1") = "4"
    & skf21("4","1","4","3","4","5","6","1") = "5"
    & skf21("4","1","4","3","4","5","7","1") = "6"
    & skf21("4","1","4","3","4","6","1","1") = "5"
    & skf21("4","1","4","3","4","6","2","1") = "5"
    & skf21("4","1","4","3","4","6","3","1") = "5"
    & skf21("4","1","4","3","4","6","4","1") = "5"
    & skf21("4","1","4","3","4","6","5","1") = "5"
    & skf21("4","1","4","3","4","6","6","1") = "5"
    & skf21("4","1","4","3","4","6","7","1") = "6"
    & skf21("4","1","4","3","4","7","1","1") = "6"
    & skf21("4","1","4","3","4","7","2","1") = "6"
    & skf21("4","1","4","3","4","7","3","1") = "6"
    & skf21("4","1","4","3","4","7","4","1") = "6"
    & skf21("4","1","4","3","4","7","5","1") = "6"
    & skf21("4","1","4","3","4","7","6","1") = "6"
    & skf21("4","1","4","3","4","7","7","1") = "6"
    & skf21("4","1","4","3","5","1","1","1") = "4"
    & skf21("4","1","4","3","5","1","2","1") = "4"
    & skf21("4","1","4","3","5","1","3","1") = "4"
    & skf21("4","1","4","3","5","1","4","1") = "4"
    & skf21("4","1","4","3","5","1","5","1") = "4"
    & skf21("4","1","4","3","5","1","6","1") = "5"
    & skf21("4","1","4","3","5","1","7","1") = "6"
    & skf21("4","1","4","3","5","2","1","1") = "4"
    & skf21("4","1","4","3","5","2","2","1") = "4"
    & skf21("4","1","4","3","5","2","3","1") = "4"
    & skf21("4","1","4","3","5","2","4","1") = "4"
    & skf21("4","1","4","3","5","2","5","1") = "4"
    & skf21("4","1","4","3","5","2","6","1") = "5"
    & skf21("4","1","4","3","5","2","7","1") = "6"
    & skf21("4","1","4","3","5","3","1","1") = "4"
    & skf21("4","1","4","3","5","3","2","1") = "4"
    & skf21("4","1","4","3","5","3","3","1") = "4"
    & skf21("4","1","4","3","5","3","4","1") = "4"
    & skf21("4","1","4","3","5","3","5","1") = "4"
    & skf21("4","1","4","3","5","3","6","1") = "5"
    & skf21("4","1","4","3","5","3","7","1") = "6"
    & skf21("4","1","4","3","5","4","1","1") = "4"
    & skf21("4","1","4","3","5","4","2","1") = "4"
    & skf21("4","1","4","3","5","4","3","1") = "4"
    & skf21("4","1","4","3","5","4","4","1") = "4"
    & skf21("4","1","4","3","5","4","5","1") = "4"
    & skf21("4","1","4","3","5","4","6","1") = "5"
    & skf21("4","1","4","3","5","4","7","1") = "6"
    & skf21("4","1","4","3","5","5","1","1") = "4"
    & skf21("4","1","4","3","5","5","2","1") = "4"
    & skf21("4","1","4","3","5","5","3","1") = "4"
    & skf21("4","1","4","3","5","5","4","1") = "4"
    & skf21("4","1","4","3","5","5","5","1") = "4"
    & skf21("4","1","4","3","5","5","6","1") = "5"
    & skf21("4","1","4","3","5","5","7","1") = "6"
    & skf21("4","1","4","3","5","6","1","1") = "5"
    & skf21("4","1","4","3","5","6","2","1") = "5"
    & skf21("4","1","4","3","5","6","3","1") = "5"
    & skf21("4","1","4","3","5","6","4","1") = "5"
    & skf21("4","1","4","3","5","6","5","1") = "5"
    & skf21("4","1","4","3","5","6","6","1") = "5"
    & skf21("4","1","4","3","5","6","7","1") = "6"
    & skf21("4","1","4","3","5","7","1","1") = "6"
    & skf21("4","1","4","3","5","7","2","1") = "6"
    & skf21("4","1","4","3","5","7","3","1") = "6"
    & skf21("4","1","4","3","5","7","4","1") = "6"
    & skf21("4","1","4","3","5","7","5","1") = "6"
    & skf21("4","1","4","3","5","7","6","1") = "6"
    & skf21("4","1","4","3","5","7","7","1") = "6"
    & skf21("4","1","4","3","6","1","1","1") = "5"
    & skf21("4","1","4","3","6","1","2","1") = "5"
    & skf21("4","1","4","3","6","1","3","1") = "5"
    & skf21("4","1","4","3","6","1","4","1") = "5"
    & skf21("4","1","4","3","6","1","5","1") = "5"
    & skf21("4","1","4","3","6","1","6","1") = "5"
    & skf21("4","1","4","3","6","1","7","1") = "6"
    & skf21("4","1","4","3","6","2","1","1") = "5"
    & skf21("4","1","4","3","6","2","2","1") = "5"
    & skf21("4","1","4","3","6","2","3","1") = "5"
    & skf21("4","1","4","3","6","2","4","1") = "5"
    & skf21("4","1","4","3","6","2","5","1") = "5"
    & skf21("4","1","4","3","6","2","6","1") = "5"
    & skf21("4","1","4","3","6","2","7","1") = "6"
    & skf21("4","1","4","3","6","3","1","1") = "5"
    & skf21("4","1","4","3","6","3","2","1") = "5"
    & skf21("4","1","4","3","6","3","3","1") = "5"
    & skf21("4","1","4","3","6","3","4","1") = "5"
    & skf21("4","1","4","3","6","3","5","1") = "5"
    & skf21("4","1","4","3","6","3","6","1") = "5"
    & skf21("4","1","4","3","6","3","7","1") = "6"
    & skf21("4","1","4","3","6","4","1","1") = "5"
    & skf21("4","1","4","3","6","4","2","1") = "5"
    & skf21("4","1","4","3","6","4","3","1") = "5"
    & skf21("4","1","4","3","6","4","4","1") = "5"
    & skf21("4","1","4","3","6","4","5","1") = "5"
    & skf21("4","1","4","3","6","4","6","1") = "5"
    & skf21("4","1","4","3","6","4","7","1") = "6"
    & skf21("4","1","4","3","6","5","1","1") = "5"
    & skf21("4","1","4","3","6","5","2","1") = "5"
    & skf21("4","1","4","3","6","5","3","1") = "5"
    & skf21("4","1","4","3","6","5","4","1") = "5"
    & skf21("4","1","4","3","6","5","5","1") = "5"
    & skf21("4","1","4","3","6","5","6","1") = "5"
    & skf21("4","1","4","3","6","5","7","1") = "6"
    & skf21("4","1","4","3","6","6","1","1") = "5"
    & skf21("4","1","4","3","6","6","2","1") = "5"
    & skf21("4","1","4","3","6","6","3","1") = "5"
    & skf21("4","1","4","3","6","6","4","1") = "5"
    & skf21("4","1","4","3","6","6","5","1") = "5"
    & skf21("4","1","4","3","6","6","6","1") = "5"
    & skf21("4","1","4","3","6","6","7","1") = "6"
    & skf21("4","1","4","3","6","7","1","1") = "6"
    & skf21("4","1","4","3","6","7","2","1") = "6"
    & skf21("4","1","4","3","6","7","3","1") = "6"
    & skf21("4","1","4","3","6","7","4","1") = "6"
    & skf21("4","1","4","3","6","7","5","1") = "6"
    & skf21("4","1","4","3","6","7","6","1") = "6"
    & skf21("4","1","4","3","6","7","7","1") = "6"
    & skf21("4","1","4","3","7","1","1","1") = "6"
    & skf21("4","1","4","3","7","1","2","1") = "6"
    & skf21("4","1","4","3","7","1","3","1") = "6"
    & skf21("4","1","4","3","7","1","4","1") = "6"
    & skf21("4","1","4","3","7","1","5","1") = "6"
    & skf21("4","1","4","3","7","1","6","1") = "6"
    & skf21("4","1","4","3","7","1","7","1") = "6"
    & skf21("4","1","4","3","7","2","1","1") = "6"
    & skf21("4","1","4","3","7","2","2","1") = "6"
    & skf21("4","1","4","3","7","2","3","1") = "6"
    & skf21("4","1","4","3","7","2","4","1") = "6"
    & skf21("4","1","4","3","7","2","5","1") = "6"
    & skf21("4","1","4","3","7","2","6","1") = "6"
    & skf21("4","1","4","3","7","2","7","1") = "6"
    & skf21("4","1","4","3","7","3","1","1") = "6"
    & skf21("4","1","4","3","7","3","2","1") = "6"
    & skf21("4","1","4","3","7","3","3","1") = "6"
    & skf21("4","1","4","3","7","3","4","1") = "6"
    & skf21("4","1","4","3","7","3","5","1") = "6"
    & skf21("4","1","4","3","7","3","6","1") = "6"
    & skf21("4","1","4","3","7","3","7","1") = "6"
    & skf21("4","1","4","3","7","4","1","1") = "6"
    & skf21("4","1","4","3","7","4","2","1") = "6"
    & skf21("4","1","4","3","7","4","3","1") = "6"
    & skf21("4","1","4","3","7","4","4","1") = "6"
    & skf21("4","1","4","3","7","4","5","1") = "6"
    & skf21("4","1","4","3","7","4","6","1") = "6"
    & skf21("4","1","4","3","7","4","7","1") = "6"
    & skf21("4","1","4","3","7","5","1","1") = "6"
    & skf21("4","1","4","3","7","5","2","1") = "6"
    & skf21("4","1","4","3","7","5","3","1") = "6"
    & skf21("4","1","4","3","7","5","4","1") = "6"
    & skf21("4","1","4","3","7","5","5","1") = "6"
    & skf21("4","1","4","3","7","5","6","1") = "6"
    & skf21("4","1","4","3","7","5","7","1") = "6"
    & skf21("4","1","4","3","7","6","1","1") = "6"
    & skf21("4","1","4","3","7","6","2","1") = "6"
    & skf21("4","1","4","3","7","6","3","1") = "6"
    & skf21("4","1","4","3","7","6","4","1") = "6"
    & skf21("4","1","4","3","7","6","5","1") = "6"
    & skf21("4","1","4","3","7","6","6","1") = "6"
    & skf21("4","1","4","3","7","6","7","1") = "6"
    & skf21("4","1","4","3","7","7","1","1") = "6"
    & skf21("4","1","4","3","7","7","2","1") = "6"
    & skf21("4","1","4","3","7","7","3","1") = "6"
    & skf21("4","1","4","3","7","7","4","1") = "6"
    & skf21("4","1","4","3","7","7","5","1") = "6"
    & skf21("4","1","4","3","7","7","6","1") = "6"
    & skf21("4","1","4","3","7","7","7","1") = "6"
    & skf21("4","1","4","4","1","1","1","1") = "3"
    & skf21("4","1","4","4","1","1","2","1") = "3"
    & skf21("4","1","4","4","1","1","3","1") = "3"
    & skf21("4","1","4","4","1","1","4","1") = "3"
    & skf21("4","1","4","4","1","1","5","1") = "4"
    & skf21("4","1","4","4","1","1","6","1") = "5"
    & skf21("4","1","4","4","1","1","7","1") = "6"
    & skf21("4","1","4","4","1","2","1","1") = "3"
    & skf21("4","1","4","4","1","2","2","1") = "3"
    & skf21("4","1","4","4","1","2","3","1") = "3"
    & skf21("4","1","4","4","1","2","4","1") = "3"
    & skf21("4","1","4","4","1","2","5","1") = "4"
    & skf21("4","1","4","4","1","2","6","1") = "5"
    & skf21("4","1","4","4","1","2","7","1") = "6"
    & skf21("4","1","4","4","1","3","1","1") = "3"
    & skf21("4","1","4","4","1","3","2","1") = "3"
    & skf21("4","1","4","4","1","3","3","1") = "3"
    & skf21("4","1","4","4","1","3","4","1") = "3"
    & skf21("4","1","4","4","1","3","5","1") = "4"
    & skf21("4","1","4","4","1","3","6","1") = "5"
    & skf21("4","1","4","4","1","3","7","1") = "6"
    & skf21("4","1","4","4","1","4","1","1") = "3"
    & skf21("4","1","4","4","1","4","2","1") = "3"
    & skf21("4","1","4","4","1","4","3","1") = "3"
    & skf21("4","1","4","4","1","4","4","1") = "3"
    & skf21("4","1","4","4","1","4","5","1") = "4"
    & skf21("4","1","4","4","1","4","6","1") = "5"
    & skf21("4","1","4","4","1","4","7","1") = "6"
    & skf21("4","1","4","4","1","5","1","1") = "4"
    & skf21("4","1","4","4","1","5","2","1") = "4"
    & skf21("4","1","4","4","1","5","3","1") = "4"
    & skf21("4","1","4","4","1","5","4","1") = "4"
    & skf21("4","1","4","4","1","5","5","1") = "4"
    & skf21("4","1","4","4","1","5","6","1") = "5"
    & skf21("4","1","4","4","1","5","7","1") = "6"
    & skf21("4","1","4","4","1","6","1","1") = "5"
    & skf21("4","1","4","4","1","6","2","1") = "5"
    & skf21("4","1","4","4","1","6","3","1") = "5"
    & skf21("4","1","4","4","1","6","4","1") = "5"
    & skf21("4","1","4","4","1","6","5","1") = "5"
    & skf21("4","1","4","4","1","6","6","1") = "5"
    & skf21("4","1","4","4","1","6","7","1") = "6"
    & skf21("4","1","4","4","1","7","1","1") = "6"
    & skf21("4","1","4","4","1","7","2","1") = "6"
    & skf21("4","1","4","4","1","7","3","1") = "6"
    & skf21("4","1","4","4","1","7","4","1") = "6"
    & skf21("4","1","4","4","1","7","5","1") = "6"
    & skf21("4","1","4","4","1","7","6","1") = "6"
    & skf21("4","1","4","4","1","7","7","1") = "6"
    & skf21("4","1","4","4","2","1","1","1") = "3"
    & skf21("4","1","4","4","2","1","2","1") = "3"
    & skf21("4","1","4","4","2","1","3","1") = "3"
    & skf21("4","1","4","4","2","1","4","1") = "3"
    & skf21("4","1","4","4","2","1","5","1") = "4"
    & skf21("4","1","4","4","2","1","6","1") = "5"
    & skf21("4","1","4","4","2","1","7","1") = "6"
    & skf21("4","1","4","4","2","2","1","1") = "3"
    & skf21("4","1","4","4","2","2","2","1") = "3"
    & skf21("4","1","4","4","2","2","3","1") = "3"
    & skf21("4","1","4","4","2","2","4","1") = "3"
    & skf21("4","1","4","4","2","2","5","1") = "4"
    & skf21("4","1","4","4","2","2","6","1") = "5"
    & skf21("4","1","4","4","2","2","7","1") = "6"
    & skf21("4","1","4","4","2","3","1","1") = "3"
    & skf21("4","1","4","4","2","3","2","1") = "3"
    & skf21("4","1","4","4","2","3","3","1") = "3"
    & skf21("4","1","4","4","2","3","4","1") = "3"
    & skf21("4","1","4","4","2","3","5","1") = "4"
    & skf21("4","1","4","4","2","3","6","1") = "5"
    & skf21("4","1","4","4","2","3","7","1") = "6"
    & skf21("4","1","4","4","2","4","1","1") = "3"
    & skf21("4","1","4","4","2","4","2","1") = "3"
    & skf21("4","1","4","4","2","4","3","1") = "3"
    & skf21("4","1","4","4","2","4","4","1") = "3"
    & skf21("4","1","4","4","2","4","5","1") = "4"
    & skf21("4","1","4","4","2","4","6","1") = "5"
    & skf21("4","1","4","4","2","4","7","1") = "6"
    & skf21("4","1","4","4","2","5","1","1") = "4"
    & skf21("4","1","4","4","2","5","2","1") = "4"
    & skf21("4","1","4","4","2","5","3","1") = "4"
    & skf21("4","1","4","4","2","5","4","1") = "4"
    & skf21("4","1","4","4","2","5","5","1") = "4"
    & skf21("4","1","4","4","2","5","6","1") = "5"
    & skf21("4","1","4","4","2","5","7","1") = "6"
    & skf21("4","1","4","4","2","6","1","1") = "5"
    & skf21("4","1","4","4","2","6","2","1") = "5"
    & skf21("4","1","4","4","2","6","3","1") = "5"
    & skf21("4","1","4","4","2","6","4","1") = "5"
    & skf21("4","1","4","4","2","6","5","1") = "5"
    & skf21("4","1","4","4","2","6","6","1") = "5"
    & skf21("4","1","4","4","2","6","7","1") = "6"
    & skf21("4","1","4","4","2","7","1","1") = "6"
    & skf21("4","1","4","4","2","7","2","1") = "6"
    & skf21("4","1","4","4","2","7","3","1") = "6"
    & skf21("4","1","4","4","2","7","4","1") = "6"
    & skf21("4","1","4","4","2","7","5","1") = "6"
    & skf21("4","1","4","4","2","7","6","1") = "6"
    & skf21("4","1","4","4","2","7","7","1") = "6"
    & skf21("4","1","4","4","3","1","1","1") = "3"
    & skf21("4","1","4","4","3","1","2","1") = "3"
    & skf21("4","1","4","4","3","1","3","1") = "3"
    & skf21("4","1","4","4","3","1","4","1") = "3"
    & skf21("4","1","4","4","3","1","5","1") = "4"
    & skf21("4","1","4","4","3","1","6","1") = "5"
    & skf21("4","1","4","4","3","1","7","1") = "6"
    & skf21("4","1","4","4","3","2","1","1") = "3"
    & skf21("4","1","4","4","3","2","2","1") = "3"
    & skf21("4","1","4","4","3","2","3","1") = "3"
    & skf21("4","1","4","4","3","2","4","1") = "3"
    & skf21("4","1","4","4","3","2","5","1") = "4"
    & skf21("4","1","4","4","3","2","6","1") = "5"
    & skf21("4","1","4","4","3","2","7","1") = "6"
    & skf21("4","1","4","4","3","3","1","1") = "3"
    & skf21("4","1","4","4","3","3","2","1") = "3"
    & skf21("4","1","4","4","3","3","3","1") = "3"
    & skf21("4","1","4","4","3","3","4","1") = "3"
    & skf21("4","1","4","4","3","3","5","1") = "4"
    & skf21("4","1","4","4","3","3","6","1") = "5"
    & skf21("4","1","4","4","3","3","7","1") = "6"
    & skf21("4","1","4","4","3","4","1","1") = "3"
    & skf21("4","1","4","4","3","4","2","1") = "3"
    & skf21("4","1","4","4","3","4","3","1") = "3"
    & skf21("4","1","4","4","3","4","4","1") = "3"
    & skf21("4","1","4","4","3","4","5","1") = "4"
    & skf21("4","1","4","4","3","4","6","1") = "5"
    & skf21("4","1","4","4","3","4","7","1") = "6"
    & skf21("4","1","4","4","3","5","1","1") = "4"
    & skf21("4","1","4","4","3","5","2","1") = "4"
    & skf21("4","1","4","4","3","5","3","1") = "4"
    & skf21("4","1","4","4","3","5","4","1") = "4"
    & skf21("4","1","4","4","3","5","5","1") = "4"
    & skf21("4","1","4","4","3","5","6","1") = "5"
    & skf21("4","1","4","4","3","5","7","1") = "6"
    & skf21("4","1","4","4","3","6","1","1") = "5"
    & skf21("4","1","4","4","3","6","2","1") = "5"
    & skf21("4","1","4","4","3","6","3","1") = "5"
    & skf21("4","1","4","4","3","6","4","1") = "5"
    & skf21("4","1","4","4","3","6","5","1") = "5"
    & skf21("4","1","4","4","3","6","6","1") = "5"
    & skf21("4","1","4","4","3","6","7","1") = "6"
    & skf21("4","1","4","4","3","7","1","1") = "6"
    & skf21("4","1","4","4","3","7","2","1") = "6"
    & skf21("4","1","4","4","3","7","3","1") = "6"
    & skf21("4","1","4","4","3","7","4","1") = "6"
    & skf21("4","1","4","4","3","7","5","1") = "6"
    & skf21("4","1","4","4","3","7","6","1") = "6"
    & skf21("4","1","4","4","3","7","7","1") = "6"
    & skf21("4","1","4","4","4","1","1","1") = "3"
    & skf21("4","1","4","4","4","1","2","1") = "3"
    & skf21("4","1","4","4","4","1","3","1") = "3"
    & skf21("4","1","4","4","4","1","4","1") = "3"
    & skf21("4","1","4","4","4","1","5","1") = "4"
    & skf21("4","1","4","4","4","1","6","1") = "5"
    & skf21("4","1","4","4","4","1","7","1") = "6"
    & skf21("4","1","4","4","4","2","1","1") = "3"
    & skf21("4","1","4","4","4","2","2","1") = "3"
    & skf21("4","1","4","4","4","2","3","1") = "3"
    & skf21("4","1","4","4","4","2","4","1") = "3"
    & skf21("4","1","4","4","4","2","5","1") = "4"
    & skf21("4","1","4","4","4","2","6","1") = "5"
    & skf21("4","1","4","4","4","2","7","1") = "6"
    & skf21("4","1","4","4","4","3","1","1") = "3"
    & skf21("4","1","4","4","4","3","2","1") = "3"
    & skf21("4","1","4","4","4","3","3","1") = "3"
    & skf21("4","1","4","4","4","3","4","1") = "3"
    & skf21("4","1","4","4","4","3","5","1") = "4"
    & skf21("4","1","4","4","4","3","6","1") = "5"
    & skf21("4","1","4","4","4","3","7","1") = "6"
    & skf21("4","1","4","4","4","4","1","1") = "3"
    & skf21("4","1","4","4","4","4","2","1") = "3"
    & skf21("4","1","4","4","4","4","3","1") = "3"
    & skf21("4","1","4","4","4","4","4","1") = "3"
    & skf21("4","1","4","4","4","4","5","1") = "4"
    & skf21("4","1","4","4","4","4","6","1") = "5"
    & skf21("4","1","4","4","4","4","7","1") = "6"
    & skf21("4","1","4","4","4","5","1","1") = "4"
    & skf21("4","1","4","4","4","5","2","1") = "4"
    & skf21("4","1","4","4","4","5","3","1") = "4"
    & skf21("4","1","4","4","4","5","4","1") = "4"
    & skf21("4","1","4","4","4","5","5","1") = "4"
    & skf21("4","1","4","4","4","5","6","1") = "5"
    & skf21("4","1","4","4","4","5","7","1") = "6"
    & skf21("4","1","4","4","4","6","1","1") = "5"
    & skf21("4","1","4","4","4","6","2","1") = "5"
    & skf21("4","1","4","4","4","6","3","1") = "5"
    & skf21("4","1","4","4","4","6","4","1") = "5"
    & skf21("4","1","4","4","4","6","5","1") = "5"
    & skf21("4","1","4","4","4","6","6","1") = "5"
    & skf21("4","1","4","4","4","6","7","1") = "6"
    & skf21("4","1","4","4","4","7","1","1") = "6"
    & skf21("4","1","4","4","4","7","2","1") = "6"
    & skf21("4","1","4","4","4","7","3","1") = "6"
    & skf21("4","1","4","4","4","7","4","1") = "6"
    & skf21("4","1","4","4","4","7","5","1") = "6"
    & skf21("4","1","4","4","4","7","6","1") = "6"
    & skf21("4","1","4","4","4","7","7","1") = "6"
    & skf21("4","1","4","4","5","1","1","1") = "4"
    & skf21("4","1","4","4","5","1","2","1") = "4"
    & skf21("4","1","4","4","5","1","3","1") = "4"
    & skf21("4","1","4","4","5","1","4","1") = "4"
    & skf21("4","1","4","4","5","1","5","1") = "4"
    & skf21("4","1","4","4","5","1","6","1") = "5"
    & skf21("4","1","4","4","5","1","7","1") = "6"
    & skf21("4","1","4","4","5","2","1","1") = "4"
    & skf21("4","1","4","4","5","2","2","1") = "4"
    & skf21("4","1","4","4","5","2","3","1") = "4"
    & skf21("4","1","4","4","5","2","4","1") = "4"
    & skf21("4","1","4","4","5","2","5","1") = "4"
    & skf21("4","1","4","4","5","2","6","1") = "5"
    & skf21("4","1","4","4","5","2","7","1") = "6"
    & skf21("4","1","4","4","5","3","1","1") = "4"
    & skf21("4","1","4","4","5","3","2","1") = "4"
    & skf21("4","1","4","4","5","3","3","1") = "4"
    & skf21("4","1","4","4","5","3","4","1") = "4"
    & skf21("4","1","4","4","5","3","5","1") = "4"
    & skf21("4","1","4","4","5","3","6","1") = "5"
    & skf21("4","1","4","4","5","3","7","1") = "6"
    & skf21("4","1","4","4","5","4","1","1") = "4"
    & skf21("4","1","4","4","5","4","2","1") = "4"
    & skf21("4","1","4","4","5","4","3","1") = "4"
    & skf21("4","1","4","4","5","4","4","1") = "4"
    & skf21("4","1","4","4","5","4","5","1") = "4"
    & skf21("4","1","4","4","5","4","6","1") = "5"
    & skf21("4","1","4","4","5","4","7","1") = "6"
    & skf21("4","1","4","4","5","5","1","1") = "4"
    & skf21("4","1","4","4","5","5","2","1") = "4"
    & skf21("4","1","4","4","5","5","3","1") = "4"
    & skf21("4","1","4","4","5","5","4","1") = "4"
    & skf21("4","1","4","4","5","5","5","1") = "4"
    & skf21("4","1","4","4","5","5","6","1") = "5"
    & skf21("4","1","4","4","5","5","7","1") = "6"
    & skf21("4","1","4","4","5","6","1","1") = "5"
    & skf21("4","1","4","4","5","6","2","1") = "5"
    & skf21("4","1","4","4","5","6","3","1") = "5"
    & skf21("4","1","4","4","5","6","4","1") = "5"
    & skf21("4","1","4","4","5","6","5","1") = "5"
    & skf21("4","1","4","4","5","6","6","1") = "5"
    & skf21("4","1","4","4","5","6","7","1") = "6"
    & skf21("4","1","4","4","5","7","1","1") = "6"
    & skf21("4","1","4","4","5","7","2","1") = "6"
    & skf21("4","1","4","4","5","7","3","1") = "6"
    & skf21("4","1","4","4","5","7","4","1") = "6"
    & skf21("4","1","4","4","5","7","5","1") = "6"
    & skf21("4","1","4","4","5","7","6","1") = "6"
    & skf21("4","1","4","4","5","7","7","1") = "6"
    & skf21("4","1","4","4","6","1","1","1") = "5"
    & skf21("4","1","4","4","6","1","2","1") = "5"
    & skf21("4","1","4","4","6","1","3","1") = "5"
    & skf21("4","1","4","4","6","1","4","1") = "5"
    & skf21("4","1","4","4","6","1","5","1") = "5"
    & skf21("4","1","4","4","6","1","6","1") = "5"
    & skf21("4","1","4","4","6","1","7","1") = "6"
    & skf21("4","1","4","4","6","2","1","1") = "5"
    & skf21("4","1","4","4","6","2","2","1") = "5"
    & skf21("4","1","4","4","6","2","3","1") = "5"
    & skf21("4","1","4","4","6","2","4","1") = "5"
    & skf21("4","1","4","4","6","2","5","1") = "5"
    & skf21("4","1","4","4","6","2","6","1") = "5"
    & skf21("4","1","4","4","6","2","7","1") = "6"
    & skf21("4","1","4","4","6","3","1","1") = "5"
    & skf21("4","1","4","4","6","3","2","1") = "5"
    & skf21("4","1","4","4","6","3","3","1") = "5"
    & skf21("4","1","4","4","6","3","4","1") = "5"
    & skf21("4","1","4","4","6","3","5","1") = "5"
    & skf21("4","1","4","4","6","3","6","1") = "5"
    & skf21("4","1","4","4","6","3","7","1") = "6"
    & skf21("4","1","4","4","6","4","1","1") = "5"
    & skf21("4","1","4","4","6","4","2","1") = "5"
    & skf21("4","1","4","4","6","4","3","1") = "5"
    & skf21("4","1","4","4","6","4","4","1") = "5"
    & skf21("4","1","4","4","6","4","5","1") = "5"
    & skf21("4","1","4","4","6","4","6","1") = "5"
    & skf21("4","1","4","4","6","4","7","1") = "6"
    & skf21("4","1","4","4","6","5","1","1") = "5"
    & skf21("4","1","4","4","6","5","2","1") = "5"
    & skf21("4","1","4","4","6","5","3","1") = "5"
    & skf21("4","1","4","4","6","5","4","1") = "5"
    & skf21("4","1","4","4","6","5","5","1") = "5"
    & skf21("4","1","4","4","6","5","6","1") = "5"
    & skf21("4","1","4","4","6","5","7","1") = "6"
    & skf21("4","1","4","4","6","6","1","1") = "5"
    & skf21("4","1","4","4","6","6","2","1") = "5"
    & skf21("4","1","4","4","6","6","3","1") = "5"
    & skf21("4","1","4","4","6","6","4","1") = "5"
    & skf21("4","1","4","4","6","6","5","1") = "5"
    & skf21("4","1","4","4","6","6","6","1") = "5"
    & skf21("4","1","4","4","6","6","7","1") = "6"
    & skf21("4","1","4","4","6","7","1","1") = "6"
    & skf21("4","1","4","4","6","7","2","1") = "6"
    & skf21("4","1","4","4","6","7","3","1") = "6"
    & skf21("4","1","4","4","6","7","4","1") = "6"
    & skf21("4","1","4","4","6","7","5","1") = "6"
    & skf21("4","1","4","4","6","7","6","1") = "6"
    & skf21("4","1","4","4","6","7","7","1") = "6"
    & skf21("4","1","4","4","7","1","1","1") = "6"
    & skf21("4","1","4","4","7","1","2","1") = "6"
    & skf21("4","1","4","4","7","1","3","1") = "6"
    & skf21("4","1","4","4","7","1","4","1") = "6"
    & skf21("4","1","4","4","7","1","5","1") = "6"
    & skf21("4","1","4","4","7","1","6","1") = "6"
    & skf21("4","1","4","4","7","1","7","1") = "6"
    & skf21("4","1","4","4","7","2","1","1") = "6"
    & skf21("4","1","4","4","7","2","2","1") = "6"
    & skf21("4","1","4","4","7","2","3","1") = "6"
    & skf21("4","1","4","4","7","2","4","1") = "6"
    & skf21("4","1","4","4","7","2","5","1") = "6"
    & skf21("4","1","4","4","7","2","6","1") = "6"
    & skf21("4","1","4","4","7","2","7","1") = "6"
    & skf21("4","1","4","4","7","3","1","1") = "6"
    & skf21("4","1","4","4","7","3","2","1") = "6"
    & skf21("4","1","4","4","7","3","3","1") = "6"
    & skf21("4","1","4","4","7","3","4","1") = "6"
    & skf21("4","1","4","4","7","3","5","1") = "6"
    & skf21("4","1","4","4","7","3","6","1") = "6"
    & skf21("4","1","4","4","7","3","7","1") = "6"
    & skf21("4","1","4","4","7","4","1","1") = "6"
    & skf21("4","1","4","4","7","4","2","1") = "6"
    & skf21("4","1","4","4","7","4","3","1") = "6"
    & skf21("4","1","4","4","7","4","4","1") = "6"
    & skf21("4","1","4","4","7","4","5","1") = "6"
    & skf21("4","1","4","4","7","4","6","1") = "6"
    & skf21("4","1","4","4","7","4","7","1") = "6"
    & skf21("4","1","4","4","7","5","1","1") = "6"
    & skf21("4","1","4","4","7","5","2","1") = "6"
    & skf21("4","1","4","4","7","5","3","1") = "6"
    & skf21("4","1","4","4","7","5","4","1") = "6"
    & skf21("4","1","4","4","7","5","5","1") = "6"
    & skf21("4","1","4","4","7","5","6","1") = "6"
    & skf21("4","1","4","4","7","5","7","1") = "6"
    & skf21("4","1","4","4","7","6","1","1") = "6"
    & skf21("4","1","4","4","7","6","2","1") = "6"
    & skf21("4","1","4","4","7","6","3","1") = "6"
    & skf21("4","1","4","4","7","6","4","1") = "6"
    & skf21("4","1","4","4","7","6","5","1") = "6"
    & skf21("4","1","4","4","7","6","6","1") = "6"
    & skf21("4","1","4","4","7","6","7","1") = "6"
    & skf21("4","1","4","4","7","7","1","1") = "6"
    & skf21("4","1","4","4","7","7","2","1") = "6"
    & skf21("4","1","4","4","7","7","3","1") = "6"
    & skf21("4","1","4","4","7","7","4","1") = "6"
    & skf21("4","1","4","4","7","7","5","1") = "6"
    & skf21("4","1","4","4","7","7","6","1") = "6"
    & skf21("4","1","4","4","7","7","7","1") = "6"
    & skf21("4","1","4","5","1","1","1","1") = "4"
    & skf21("4","1","4","5","1","1","2","1") = "4"
    & skf21("4","1","4","5","1","1","3","1") = "4"
    & skf21("4","1","4","5","1","1","4","1") = "4"
    & skf21("4","1","4","5","1","1","5","1") = "4"
    & skf21("4","1","4","5","1","1","6","1") = "5"
    & skf21("4","1","4","5","1","1","7","1") = "6"
    & skf21("4","1","4","5","1","2","1","1") = "4"
    & skf21("4","1","4","5","1","2","2","1") = "4"
    & skf21("4","1","4","5","1","2","3","1") = "4"
    & skf21("4","1","4","5","1","2","4","1") = "4"
    & skf21("4","1","4","5","1","2","5","1") = "4"
    & skf21("4","1","4","5","1","2","6","1") = "5"
    & skf21("4","1","4","5","1","2","7","1") = "6"
    & skf21("4","1","4","5","1","3","1","1") = "4"
    & skf21("4","1","4","5","1","3","2","1") = "4"
    & skf21("4","1","4","5","1","3","3","1") = "4"
    & skf21("4","1","4","5","1","3","4","1") = "4"
    & skf21("4","1","4","5","1","3","5","1") = "4"
    & skf21("4","1","4","5","1","3","6","1") = "5"
    & skf21("4","1","4","5","1","3","7","1") = "6"
    & skf21("4","1","4","5","1","4","1","1") = "4"
    & skf21("4","1","4","5","1","4","2","1") = "4"
    & skf21("4","1","4","5","1","4","3","1") = "4"
    & skf21("4","1","4","5","1","4","4","1") = "4"
    & skf21("4","1","4","5","1","4","5","1") = "4"
    & skf21("4","1","4","5","1","4","6","1") = "5"
    & skf21("4","1","4","5","1","4","7","1") = "6"
    & skf21("4","1","4","5","1","5","1","1") = "4"
    & skf21("4","1","4","5","1","5","2","1") = "4"
    & skf21("4","1","4","5","1","5","3","1") = "4"
    & skf21("4","1","4","5","1","5","4","1") = "4"
    & skf21("4","1","4","5","1","5","5","1") = "4"
    & skf21("4","1","4","5","1","5","6","1") = "5"
    & skf21("4","1","4","5","1","5","7","1") = "6"
    & skf21("4","1","4","5","1","6","1","1") = "5"
    & skf21("4","1","4","5","1","6","2","1") = "5"
    & skf21("4","1","4","5","1","6","3","1") = "5"
    & skf21("4","1","4","5","1","6","4","1") = "5"
    & skf21("4","1","4","5","1","6","5","1") = "5"
    & skf21("4","1","4","5","1","6","6","1") = "5"
    & skf21("4","1","4","5","1","6","7","1") = "6"
    & skf21("4","1","4","5","1","7","1","1") = "6"
    & skf21("4","1","4","5","1","7","2","1") = "6"
    & skf21("4","1","4","5","1","7","3","1") = "6"
    & skf21("4","1","4","5","1","7","4","1") = "6"
    & skf21("4","1","4","5","1","7","5","1") = "6"
    & skf21("4","1","4","5","1","7","6","1") = "6"
    & skf21("4","1","4","5","1","7","7","1") = "6"
    & skf21("4","1","4","5","2","1","1","1") = "4"
    & skf21("4","1","4","5","2","1","2","1") = "4"
    & skf21("4","1","4","5","2","1","3","1") = "4"
    & skf21("4","1","4","5","2","1","4","1") = "4"
    & skf21("4","1","4","5","2","1","5","1") = "4"
    & skf21("4","1","4","5","2","1","6","1") = "5"
    & skf21("4","1","4","5","2","1","7","1") = "6"
    & skf21("4","1","4","5","2","2","1","1") = "4"
    & skf21("4","1","4","5","2","2","2","1") = "4"
    & skf21("4","1","4","5","2","2","3","1") = "4"
    & skf21("4","1","4","5","2","2","4","1") = "4"
    & skf21("4","1","4","5","2","2","5","1") = "4"
    & skf21("4","1","4","5","2","2","6","1") = "5"
    & skf21("4","1","4","5","2","2","7","1") = "6"
    & skf21("4","1","4","5","2","3","1","1") = "4"
    & skf21("4","1","4","5","2","3","2","1") = "4"
    & skf21("4","1","4","5","2","3","3","1") = "4"
    & skf21("4","1","4","5","2","3","4","1") = "4"
    & skf21("4","1","4","5","2","3","5","1") = "4"
    & skf21("4","1","4","5","2","3","6","1") = "5"
    & skf21("4","1","4","5","2","3","7","1") = "6"
    & skf21("4","1","4","5","2","4","1","1") = "4"
    & skf21("4","1","4","5","2","4","2","1") = "4"
    & skf21("4","1","4","5","2","4","3","1") = "4"
    & skf21("4","1","4","5","2","4","4","1") = "4"
    & skf21("4","1","4","5","2","4","5","1") = "4"
    & skf21("4","1","4","5","2","4","6","1") = "5"
    & skf21("4","1","4","5","2","4","7","1") = "6"
    & skf21("4","1","4","5","2","5","1","1") = "4"
    & skf21("4","1","4","5","2","5","2","1") = "4"
    & skf21("4","1","4","5","2","5","3","1") = "4"
    & skf21("4","1","4","5","2","5","4","1") = "4"
    & skf21("4","1","4","5","2","5","5","1") = "4"
    & skf21("4","1","4","5","2","5","6","1") = "5"
    & skf21("4","1","4","5","2","5","7","1") = "6"
    & skf21("4","1","4","5","2","6","1","1") = "5"
    & skf21("4","1","4","5","2","6","2","1") = "5"
    & skf21("4","1","4","5","2","6","3","1") = "5"
    & skf21("4","1","4","5","2","6","4","1") = "5"
    & skf21("4","1","4","5","2","6","5","1") = "5"
    & skf21("4","1","4","5","2","6","6","1") = "5"
    & skf21("4","1","4","5","2","6","7","1") = "6"
    & skf21("4","1","4","5","2","7","1","1") = "6"
    & skf21("4","1","4","5","2","7","2","1") = "6"
    & skf21("4","1","4","5","2","7","3","1") = "6"
    & skf21("4","1","4","5","2","7","4","1") = "6"
    & skf21("4","1","4","5","2","7","5","1") = "6"
    & skf21("4","1","4","5","2","7","6","1") = "6"
    & skf21("4","1","4","5","2","7","7","1") = "6"
    & skf21("4","1","4","5","3","1","1","1") = "4"
    & skf21("4","1","4","5","3","1","2","1") = "4"
    & skf21("4","1","4","5","3","1","3","1") = "4"
    & skf21("4","1","4","5","3","1","4","1") = "4"
    & skf21("4","1","4","5","3","1","5","1") = "4"
    & skf21("4","1","4","5","3","1","6","1") = "5"
    & skf21("4","1","4","5","3","1","7","1") = "6"
    & skf21("4","1","4","5","3","2","1","1") = "4"
    & skf21("4","1","4","5","3","2","2","1") = "4"
    & skf21("4","1","4","5","3","2","3","1") = "4"
    & skf21("4","1","4","5","3","2","4","1") = "4"
    & skf21("4","1","4","5","3","2","5","1") = "4"
    & skf21("4","1","4","5","3","2","6","1") = "5"
    & skf21("4","1","4","5","3","2","7","1") = "6"
    & skf21("4","1","4","5","3","3","1","1") = "4"
    & skf21("4","1","4","5","3","3","2","1") = "4"
    & skf21("4","1","4","5","3","3","3","1") = "4"
    & skf21("4","1","4","5","3","3","4","1") = "4"
    & skf21("4","1","4","5","3","3","5","1") = "4"
    & skf21("4","1","4","5","3","3","6","1") = "5"
    & skf21("4","1","4","5","3","3","7","1") = "6"
    & skf21("4","1","4","5","3","4","1","1") = "4"
    & skf21("4","1","4","5","3","4","2","1") = "4"
    & skf21("4","1","4","5","3","4","3","1") = "4"
    & skf21("4","1","4","5","3","4","4","1") = "4"
    & skf21("4","1","4","5","3","4","5","1") = "4"
    & skf21("4","1","4","5","3","4","6","1") = "5"
    & skf21("4","1","4","5","3","4","7","1") = "6"
    & skf21("4","1","4","5","3","5","1","1") = "4"
    & skf21("4","1","4","5","3","5","2","1") = "4"
    & skf21("4","1","4","5","3","5","3","1") = "4"
    & skf21("4","1","4","5","3","5","4","1") = "4"
    & skf21("4","1","4","5","3","5","5","1") = "4"
    & skf21("4","1","4","5","3","5","6","1") = "5"
    & skf21("4","1","4","5","3","5","7","1") = "6"
    & skf21("4","1","4","5","3","6","1","1") = "5"
    & skf21("4","1","4","5","3","6","2","1") = "5"
    & skf21("4","1","4","5","3","6","3","1") = "5"
    & skf21("4","1","4","5","3","6","4","1") = "5"
    & skf21("4","1","4","5","3","6","5","1") = "5"
    & skf21("4","1","4","5","3","6","6","1") = "5"
    & skf21("4","1","4","5","3","6","7","1") = "6"
    & skf21("4","1","4","5","3","7","1","1") = "6"
    & skf21("4","1","4","5","3","7","2","1") = "6"
    & skf21("4","1","4","5","3","7","3","1") = "6"
    & skf21("4","1","4","5","3","7","4","1") = "6"
    & skf21("4","1","4","5","3","7","5","1") = "6"
    & skf21("4","1","4","5","3","7","6","1") = "6"
    & skf21("4","1","4","5","3","7","7","1") = "6"
    & skf21("4","1","4","5","4","1","1","1") = "4"
    & skf21("4","1","4","5","4","1","2","1") = "4"
    & skf21("4","1","4","5","4","1","3","1") = "4"
    & skf21("4","1","4","5","4","1","4","1") = "4"
    & skf21("4","1","4","5","4","1","5","1") = "4"
    & skf21("4","1","4","5","4","1","6","1") = "5"
    & skf21("4","1","4","5","4","1","7","1") = "6"
    & skf21("4","1","4","5","4","2","1","1") = "4"
    & skf21("4","1","4","5","4","2","2","1") = "4"
    & skf21("4","1","4","5","4","2","3","1") = "4"
    & skf21("4","1","4","5","4","2","4","1") = "4"
    & skf21("4","1","4","5","4","2","5","1") = "4"
    & skf21("4","1","4","5","4","2","6","1") = "5"
    & skf21("4","1","4","5","4","2","7","1") = "6"
    & skf21("4","1","4","5","4","3","1","1") = "4"
    & skf21("4","1","4","5","4","3","2","1") = "4"
    & skf21("4","1","4","5","4","3","3","1") = "4"
    & skf21("4","1","4","5","4","3","4","1") = "4"
    & skf21("4","1","4","5","4","3","5","1") = "4"
    & skf21("4","1","4","5","4","3","6","1") = "5"
    & skf21("4","1","4","5","4","3","7","1") = "6"
    & skf21("4","1","4","5","4","4","1","1") = "4"
    & skf21("4","1","4","5","4","4","2","1") = "4"
    & skf21("4","1","4","5","4","4","3","1") = "4"
    & skf21("4","1","4","5","4","4","4","1") = "4"
    & skf21("4","1","4","5","4","4","5","1") = "4"
    & skf21("4","1","4","5","4","4","6","1") = "5"
    & skf21("4","1","4","5","4","4","7","1") = "6"
    & skf21("4","1","4","5","4","5","1","1") = "4"
    & skf21("4","1","4","5","4","5","2","1") = "4"
    & skf21("4","1","4","5","4","5","3","1") = "4"
    & skf21("4","1","4","5","4","5","4","1") = "4"
    & skf21("4","1","4","5","4","5","5","1") = "4"
    & skf21("4","1","4","5","4","5","6","1") = "5"
    & skf21("4","1","4","5","4","5","7","1") = "6"
    & skf21("4","1","4","5","4","6","1","1") = "5"
    & skf21("4","1","4","5","4","6","2","1") = "5"
    & skf21("4","1","4","5","4","6","3","1") = "5"
    & skf21("4","1","4","5","4","6","4","1") = "5"
    & skf21("4","1","4","5","4","6","5","1") = "5"
    & skf21("4","1","4","5","4","6","6","1") = "5"
    & skf21("4","1","4","5","4","6","7","1") = "6"
    & skf21("4","1","4","5","4","7","1","1") = "6"
    & skf21("4","1","4","5","4","7","2","1") = "6"
    & skf21("4","1","4","5","4","7","3","1") = "6"
    & skf21("4","1","4","5","4","7","4","1") = "6"
    & skf21("4","1","4","5","4","7","5","1") = "6"
    & skf21("4","1","4","5","4","7","6","1") = "6"
    & skf21("4","1","4","5","4","7","7","1") = "6"
    & skf21("4","1","4","5","5","1","1","1") = "4"
    & skf21("4","1","4","5","5","1","2","1") = "4"
    & skf21("4","1","4","5","5","1","3","1") = "4"
    & skf21("4","1","4","5","5","1","4","1") = "4"
    & skf21("4","1","4","5","5","1","5","1") = "4"
    & skf21("4","1","4","5","5","1","6","1") = "5"
    & skf21("4","1","4","5","5","1","7","1") = "6"
    & skf21("4","1","4","5","5","2","1","1") = "4"
    & skf21("4","1","4","5","5","2","2","1") = "4"
    & skf21("4","1","4","5","5","2","3","1") = "4"
    & skf21("4","1","4","5","5","2","4","1") = "4"
    & skf21("4","1","4","5","5","2","5","1") = "4"
    & skf21("4","1","4","5","5","2","6","1") = "5"
    & skf21("4","1","4","5","5","2","7","1") = "6"
    & skf21("4","1","4","5","5","3","1","1") = "4"
    & skf21("4","1","4","5","5","3","2","1") = "4"
    & skf21("4","1","4","5","5","3","3","1") = "4"
    & skf21("4","1","4","5","5","3","4","1") = "4"
    & skf21("4","1","4","5","5","3","5","1") = "4"
    & skf21("4","1","4","5","5","3","6","1") = "5"
    & skf21("4","1","4","5","5","3","7","1") = "6"
    & skf21("4","1","4","5","5","4","1","1") = "4"
    & skf21("4","1","4","5","5","4","2","1") = "4"
    & skf21("4","1","4","5","5","4","3","1") = "4"
    & skf21("4","1","4","5","5","4","4","1") = "4"
    & skf21("4","1","4","5","5","4","5","1") = "4"
    & skf21("4","1","4","5","5","4","6","1") = "5"
    & skf21("4","1","4","5","5","4","7","1") = "6"
    & skf21("4","1","4","5","5","5","1","1") = "4"
    & skf21("4","1","4","5","5","5","2","1") = "4"
    & skf21("4","1","4","5","5","5","3","1") = "4"
    & skf21("4","1","4","5","5","5","4","1") = "4"
    & skf21("4","1","4","5","5","5","5","1") = "4"
    & skf21("4","1","4","5","5","5","6","1") = "5"
    & skf21("4","1","4","5","5","5","7","1") = "6"
    & skf21("4","1","4","5","5","6","1","1") = "5"
    & skf21("4","1","4","5","5","6","2","1") = "5"
    & skf21("4","1","4","5","5","6","3","1") = "5"
    & skf21("4","1","4","5","5","6","4","1") = "5"
    & skf21("4","1","4","5","5","6","5","1") = "5"
    & skf21("4","1","4","5","5","6","6","1") = "5"
    & skf21("4","1","4","5","5","6","7","1") = "6"
    & skf21("4","1","4","5","5","7","1","1") = "6"
    & skf21("4","1","4","5","5","7","2","1") = "6"
    & skf21("4","1","4","5","5","7","3","1") = "6"
    & skf21("4","1","4","5","5","7","4","1") = "6"
    & skf21("4","1","4","5","5","7","5","1") = "6"
    & skf21("4","1","4","5","5","7","6","1") = "6"
    & skf21("4","1","4","5","5","7","7","1") = "6"
    & skf21("4","1","4","5","6","1","1","1") = "5"
    & skf21("4","1","4","5","6","1","2","1") = "5"
    & skf21("4","1","4","5","6","1","3","1") = "5"
    & skf21("4","1","4","5","6","1","4","1") = "5"
    & skf21("4","1","4","5","6","1","5","1") = "5"
    & skf21("4","1","4","5","6","1","6","1") = "5"
    & skf21("4","1","4","5","6","1","7","1") = "6"
    & skf21("4","1","4","5","6","2","1","1") = "5"
    & skf21("4","1","4","5","6","2","2","1") = "5"
    & skf21("4","1","4","5","6","2","3","1") = "5"
    & skf21("4","1","4","5","6","2","4","1") = "5"
    & skf21("4","1","4","5","6","2","5","1") = "5"
    & skf21("4","1","4","5","6","2","6","1") = "5"
    & skf21("4","1","4","5","6","2","7","1") = "6"
    & skf21("4","1","4","5","6","3","1","1") = "5"
    & skf21("4","1","4","5","6","3","2","1") = "5"
    & skf21("4","1","4","5","6","3","3","1") = "5"
    & skf21("4","1","4","5","6","3","4","1") = "5"
    & skf21("4","1","4","5","6","3","5","1") = "5"
    & skf21("4","1","4","5","6","3","6","1") = "5"
    & skf21("4","1","4","5","6","3","7","1") = "6"
    & skf21("4","1","4","5","6","4","1","1") = "5"
    & skf21("4","1","4","5","6","4","2","1") = "5"
    & skf21("4","1","4","5","6","4","3","1") = "5"
    & skf21("4","1","4","5","6","4","4","1") = "5"
    & skf21("4","1","4","5","6","4","5","1") = "5"
    & skf21("4","1","4","5","6","4","6","1") = "5"
    & skf21("4","1","4","5","6","4","7","1") = "6"
    & skf21("4","1","4","5","6","5","1","1") = "5"
    & skf21("4","1","4","5","6","5","2","1") = "5"
    & skf21("4","1","4","5","6","5","3","1") = "5"
    & skf21("4","1","4","5","6","5","4","1") = "5"
    & skf21("4","1","4","5","6","5","5","1") = "5"
    & skf21("4","1","4","5","6","5","6","1") = "5"
    & skf21("4","1","4","5","6","5","7","1") = "6"
    & skf21("4","1","4","5","6","6","1","1") = "5"
    & skf21("4","1","4","5","6","6","2","1") = "5"
    & skf21("4","1","4","5","6","6","3","1") = "5"
    & skf21("4","1","4","5","6","6","4","1") = "5"
    & skf21("4","1","4","5","6","6","5","1") = "5"
    & skf21("4","1","4","5","6","6","6","1") = "5"
    & skf21("4","1","4","5","6","6","7","1") = "6"
    & skf21("4","1","4","5","6","7","1","1") = "6"
    & skf21("4","1","4","5","6","7","2","1") = "6"
    & skf21("4","1","4","5","6","7","3","1") = "6"
    & skf21("4","1","4","5","6","7","4","1") = "6"
    & skf21("4","1","4","5","6","7","5","1") = "6"
    & skf21("4","1","4","5","6","7","6","1") = "6"
    & skf21("4","1","4","5","6","7","7","1") = "6"
    & skf21("4","1","4","5","7","1","1","1") = "6"
    & skf21("4","1","4","5","7","1","2","1") = "6"
    & skf21("4","1","4","5","7","1","3","1") = "6"
    & skf21("4","1","4","5","7","1","4","1") = "6"
    & skf21("4","1","4","5","7","1","5","1") = "6"
    & skf21("4","1","4","5","7","1","6","1") = "6"
    & skf21("4","1","4","5","7","1","7","1") = "6"
    & skf21("4","1","4","5","7","2","1","1") = "6"
    & skf21("4","1","4","5","7","2","2","1") = "6"
    & skf21("4","1","4","5","7","2","3","1") = "6"
    & skf21("4","1","4","5","7","2","4","1") = "6"
    & skf21("4","1","4","5","7","2","5","1") = "6"
    & skf21("4","1","4","5","7","2","6","1") = "6"
    & skf21("4","1","4","5","7","2","7","1") = "6"
    & skf21("4","1","4","5","7","3","1","1") = "6"
    & skf21("4","1","4","5","7","3","2","1") = "6"
    & skf21("4","1","4","5","7","3","3","1") = "6"
    & skf21("4","1","4","5","7","3","4","1") = "6"
    & skf21("4","1","4","5","7","3","5","1") = "6"
    & skf21("4","1","4","5","7","3","6","1") = "6"
    & skf21("4","1","4","5","7","3","7","1") = "6"
    & skf21("4","1","4","5","7","4","1","1") = "6"
    & skf21("4","1","4","5","7","4","2","1") = "6"
    & skf21("4","1","4","5","7","4","3","1") = "6"
    & skf21("4","1","4","5","7","4","4","1") = "6"
    & skf21("4","1","4","5","7","4","5","1") = "6"
    & skf21("4","1","4","5","7","4","6","1") = "6"
    & skf21("4","1","4","5","7","4","7","1") = "6"
    & skf21("4","1","4","5","7","5","1","1") = "6"
    & skf21("4","1","4","5","7","5","2","1") = "6"
    & skf21("4","1","4","5","7","5","3","1") = "6"
    & skf21("4","1","4","5","7","5","4","1") = "6"
    & skf21("4","1","4","5","7","5","5","1") = "6"
    & skf21("4","1","4","5","7","5","6","1") = "6"
    & skf21("4","1","4","5","7","5","7","1") = "6"
    & skf21("4","1","4","5","7","6","1","1") = "6"
    & skf21("4","1","4","5","7","6","2","1") = "6"
    & skf21("4","1","4","5","7","6","3","1") = "6"
    & skf21("4","1","4","5","7","6","4","1") = "6"
    & skf21("4","1","4","5","7","6","5","1") = "6"
    & skf21("4","1","4","5","7","6","6","1") = "6"
    & skf21("4","1","4","5","7","6","7","1") = "6"
    & skf21("4","1","4","5","7","7","1","1") = "6"
    & skf21("4","1","4","5","7","7","2","1") = "6"
    & skf21("4","1","4","5","7","7","3","1") = "6"
    & skf21("4","1","4","5","7","7","4","1") = "6"
    & skf21("4","1","4","5","7","7","5","1") = "6"
    & skf21("4","1","4","5","7","7","6","1") = "6"
    & skf21("4","1","4","5","7","7","7","1") = "6"
    & skf21("4","1","4","6","1","1","1","1") = "5"
    & skf21("4","1","4","6","1","1","2","1") = "5"
    & skf21("4","1","4","6","1","1","3","1") = "5"
    & skf21("4","1","4","6","1","1","4","1") = "5"
    & skf21("4","1","4","6","1","1","5","1") = "5"
    & skf21("4","1","4","6","1","1","6","1") = "5"
    & skf21("4","1","4","6","1","1","7","1") = "6"
    & skf21("4","1","4","6","1","2","1","1") = "5"
    & skf21("4","1","4","6","1","2","2","1") = "5"
    & skf21("4","1","4","6","1","2","3","1") = "5"
    & skf21("4","1","4","6","1","2","4","1") = "5"
    & skf21("4","1","4","6","1","2","5","1") = "5"
    & skf21("4","1","4","6","1","2","6","1") = "5"
    & skf21("4","1","4","6","1","2","7","1") = "6"
    & skf21("4","1","4","6","1","3","1","1") = "5"
    & skf21("4","1","4","6","1","3","2","1") = "5"
    & skf21("4","1","4","6","1","3","3","1") = "5"
    & skf21("4","1","4","6","1","3","4","1") = "5"
    & skf21("4","1","4","6","1","3","5","1") = "5"
    & skf21("4","1","4","6","1","3","6","1") = "5"
    & skf21("4","1","4","6","1","3","7","1") = "6"
    & skf21("4","1","4","6","1","4","1","1") = "5"
    & skf21("4","1","4","6","1","4","2","1") = "5"
    & skf21("4","1","4","6","1","4","3","1") = "5"
    & skf21("4","1","4","6","1","4","4","1") = "5"
    & skf21("4","1","4","6","1","4","5","1") = "5"
    & skf21("4","1","4","6","1","4","6","1") = "5"
    & skf21("4","1","4","6","1","4","7","1") = "6"
    & skf21("4","1","4","6","1","5","1","1") = "5"
    & skf21("4","1","4","6","1","5","2","1") = "5"
    & skf21("4","1","4","6","1","5","3","1") = "5"
    & skf21("4","1","4","6","1","5","4","1") = "5"
    & skf21("4","1","4","6","1","5","5","1") = "5"
    & skf21("4","1","4","6","1","5","6","1") = "5"
    & skf21("4","1","4","6","1","5","7","1") = "6"
    & skf21("4","1","4","6","1","6","1","1") = "5"
    & skf21("4","1","4","6","1","6","2","1") = "5"
    & skf21("4","1","4","6","1","6","3","1") = "5"
    & skf21("4","1","4","6","1","6","4","1") = "5"
    & skf21("4","1","4","6","1","6","5","1") = "5"
    & skf21("4","1","4","6","1","6","6","1") = "5"
    & skf21("4","1","4","6","1","6","7","1") = "6"
    & skf21("4","1","4","6","1","7","1","1") = "6"
    & skf21("4","1","4","6","1","7","2","1") = "6"
    & skf21("4","1","4","6","1","7","3","1") = "6"
    & skf21("4","1","4","6","1","7","4","1") = "6"
    & skf21("4","1","4","6","1","7","5","1") = "6"
    & skf21("4","1","4","6","1","7","6","1") = "6"
    & skf21("4","1","4","6","1","7","7","1") = "6"
    & skf21("4","1","4","6","2","1","1","1") = "5"
    & skf21("4","1","4","6","2","1","2","1") = "5"
    & skf21("4","1","4","6","2","1","3","1") = "5"
    & skf21("4","1","4","6","2","1","4","1") = "5"
    & skf21("4","1","4","6","2","1","5","1") = "5"
    & skf21("4","1","4","6","2","1","6","1") = "5"
    & skf21("4","1","4","6","2","1","7","1") = "6"
    & skf21("4","1","4","6","2","2","1","1") = "5"
    & skf21("4","1","4","6","2","2","2","1") = "5"
    & skf21("4","1","4","6","2","2","3","1") = "5"
    & skf21("4","1","4","6","2","2","4","1") = "5"
    & skf21("4","1","4","6","2","2","5","1") = "5"
    & skf21("4","1","4","6","2","2","6","1") = "5"
    & skf21("4","1","4","6","2","2","7","1") = "6"
    & skf21("4","1","4","6","2","3","1","1") = "5"
    & skf21("4","1","4","6","2","3","2","1") = "5"
    & skf21("4","1","4","6","2","3","3","1") = "5"
    & skf21("4","1","4","6","2","3","4","1") = "5"
    & skf21("4","1","4","6","2","3","5","1") = "5"
    & skf21("4","1","4","6","2","3","6","1") = "5"
    & skf21("4","1","4","6","2","3","7","1") = "6"
    & skf21("4","1","4","6","2","4","1","1") = "5"
    & skf21("4","1","4","6","2","4","2","1") = "5"
    & skf21("4","1","4","6","2","4","3","1") = "5"
    & skf21("4","1","4","6","2","4","4","1") = "5"
    & skf21("4","1","4","6","2","4","5","1") = "5"
    & skf21("4","1","4","6","2","4","6","1") = "5"
    & skf21("4","1","4","6","2","4","7","1") = "6"
    & skf21("4","1","4","6","2","5","1","1") = "5"
    & skf21("4","1","4","6","2","5","2","1") = "5"
    & skf21("4","1","4","6","2","5","3","1") = "5"
    & skf21("4","1","4","6","2","5","4","1") = "5"
    & skf21("4","1","4","6","2","5","5","1") = "5"
    & skf21("4","1","4","6","2","5","6","1") = "5"
    & skf21("4","1","4","6","2","5","7","1") = "6"
    & skf21("4","1","4","6","2","6","1","1") = "5"
    & skf21("4","1","4","6","2","6","2","1") = "5"
    & skf21("4","1","4","6","2","6","3","1") = "5"
    & skf21("4","1","4","6","2","6","4","1") = "5"
    & skf21("4","1","4","6","2","6","5","1") = "5"
    & skf21("4","1","4","6","2","6","6","1") = "5"
    & skf21("4","1","4","6","2","6","7","1") = "6"
    & skf21("4","1","4","6","2","7","1","1") = "6"
    & skf21("4","1","4","6","2","7","2","1") = "6"
    & skf21("4","1","4","6","2","7","3","1") = "6"
    & skf21("4","1","4","6","2","7","4","1") = "6"
    & skf21("4","1","4","6","2","7","5","1") = "6"
    & skf21("4","1","4","6","2","7","6","1") = "6"
    & skf21("4","1","4","6","2","7","7","1") = "6"
    & skf21("4","1","4","6","3","1","1","1") = "5"
    & skf21("4","1","4","6","3","1","2","1") = "5"
    & skf21("4","1","4","6","3","1","3","1") = "5"
    & skf21("4","1","4","6","3","1","4","1") = "5"
    & skf21("4","1","4","6","3","1","5","1") = "5"
    & skf21("4","1","4","6","3","1","6","1") = "5"
    & skf21("4","1","4","6","3","1","7","1") = "6"
    & skf21("4","1","4","6","3","2","1","1") = "5"
    & skf21("4","1","4","6","3","2","2","1") = "5"
    & skf21("4","1","4","6","3","2","3","1") = "5"
    & skf21("4","1","4","6","3","2","4","1") = "5"
    & skf21("4","1","4","6","3","2","5","1") = "5"
    & skf21("4","1","4","6","3","2","6","1") = "5"
    & skf21("4","1","4","6","3","2","7","1") = "6"
    & skf21("4","1","4","6","3","3","1","1") = "5"
    & skf21("4","1","4","6","3","3","2","1") = "5"
    & skf21("4","1","4","6","3","3","3","1") = "5"
    & skf21("4","1","4","6","3","3","4","1") = "5"
    & skf21("4","1","4","6","3","3","5","1") = "5"
    & skf21("4","1","4","6","3","3","6","1") = "5"
    & skf21("4","1","4","6","3","3","7","1") = "6"
    & skf21("4","1","4","6","3","4","1","1") = "5"
    & skf21("4","1","4","6","3","4","2","1") = "5"
    & skf21("4","1","4","6","3","4","3","1") = "5"
    & skf21("4","1","4","6","3","4","4","1") = "5"
    & skf21("4","1","4","6","3","4","5","1") = "5"
    & skf21("4","1","4","6","3","4","6","1") = "5"
    & skf21("4","1","4","6","3","4","7","1") = "6"
    & skf21("4","1","4","6","3","5","1","1") = "5"
    & skf21("4","1","4","6","3","5","2","1") = "5"
    & skf21("4","1","4","6","3","5","3","1") = "5"
    & skf21("4","1","4","6","3","5","4","1") = "5"
    & skf21("4","1","4","6","3","5","5","1") = "5"
    & skf21("4","1","4","6","3","5","6","1") = "5"
    & skf21("4","1","4","6","3","5","7","1") = "6"
    & skf21("4","1","4","6","3","6","1","1") = "5"
    & skf21("4","1","4","6","3","6","2","1") = "5"
    & skf21("4","1","4","6","3","6","3","1") = "5"
    & skf21("4","1","4","6","3","6","4","1") = "5"
    & skf21("4","1","4","6","3","6","5","1") = "5"
    & skf21("4","1","4","6","3","6","6","1") = "5"
    & skf21("4","1","4","6","3","6","7","1") = "6"
    & skf21("4","1","4","6","3","7","1","1") = "6"
    & skf21("4","1","4","6","3","7","2","1") = "6"
    & skf21("4","1","4","6","3","7","3","1") = "6"
    & skf21("4","1","4","6","3","7","4","1") = "6"
    & skf21("4","1","4","6","3","7","5","1") = "6"
    & skf21("4","1","4","6","3","7","6","1") = "6"
    & skf21("4","1","4","6","3","7","7","1") = "6"
    & skf21("4","1","4","6","4","1","1","1") = "5"
    & skf21("4","1","4","6","4","1","2","1") = "5"
    & skf21("4","1","4","6","4","1","3","1") = "5"
    & skf21("4","1","4","6","4","1","4","1") = "5"
    & skf21("4","1","4","6","4","1","5","1") = "5"
    & skf21("4","1","4","6","4","1","6","1") = "5"
    & skf21("4","1","4","6","4","1","7","1") = "6"
    & skf21("4","1","4","6","4","2","1","1") = "5"
    & skf21("4","1","4","6","4","2","2","1") = "5"
    & skf21("4","1","4","6","4","2","3","1") = "5"
    & skf21("4","1","4","6","4","2","4","1") = "5"
    & skf21("4","1","4","6","4","2","5","1") = "5"
    & skf21("4","1","4","6","4","2","6","1") = "5"
    & skf21("4","1","4","6","4","2","7","1") = "6"
    & skf21("4","1","4","6","4","3","1","1") = "5"
    & skf21("4","1","4","6","4","3","2","1") = "5"
    & skf21("4","1","4","6","4","3","3","1") = "5"
    & skf21("4","1","4","6","4","3","4","1") = "5"
    & skf21("4","1","4","6","4","3","5","1") = "5"
    & skf21("4","1","4","6","4","3","6","1") = "5"
    & skf21("4","1","4","6","4","3","7","1") = "6"
    & skf21("4","1","4","6","4","4","1","1") = "5"
    & skf21("4","1","4","6","4","4","2","1") = "5"
    & skf21("4","1","4","6","4","4","3","1") = "5"
    & skf21("4","1","4","6","4","4","4","1") = "5"
    & skf21("4","1","4","6","4","4","5","1") = "5"
    & skf21("4","1","4","6","4","4","6","1") = "5"
    & skf21("4","1","4","6","4","4","7","1") = "6"
    & skf21("4","1","4","6","4","5","1","1") = "5"
    & skf21("4","1","4","6","4","5","2","1") = "5"
    & skf21("4","1","4","6","4","5","3","1") = "5"
    & skf21("4","1","4","6","4","5","4","1") = "5"
    & skf21("4","1","4","6","4","5","5","1") = "5"
    & skf21("4","1","4","6","4","5","6","1") = "5"
    & skf21("4","1","4","6","4","5","7","1") = "6"
    & skf21("4","1","4","6","4","6","1","1") = "5"
    & skf21("4","1","4","6","4","6","2","1") = "5"
    & skf21("4","1","4","6","4","6","3","1") = "5"
    & skf21("4","1","4","6","4","6","4","1") = "5"
    & skf21("4","1","4","6","4","6","5","1") = "5"
    & skf21("4","1","4","6","4","6","6","1") = "5"
    & skf21("4","1","4","6","4","6","7","1") = "6"
    & skf21("4","1","4","6","4","7","1","1") = "6"
    & skf21("4","1","4","6","4","7","2","1") = "6"
    & skf21("4","1","4","6","4","7","3","1") = "6"
    & skf21("4","1","4","6","4","7","4","1") = "6"
    & skf21("4","1","4","6","4","7","5","1") = "6"
    & skf21("4","1","4","6","4","7","6","1") = "6"
    & skf21("4","1","4","6","4","7","7","1") = "6"
    & skf21("4","1","4","6","5","1","1","1") = "5"
    & skf21("4","1","4","6","5","1","2","1") = "5"
    & skf21("4","1","4","6","5","1","3","1") = "5"
    & skf21("4","1","4","6","5","1","4","1") = "5"
    & skf21("4","1","4","6","5","1","5","1") = "5"
    & skf21("4","1","4","6","5","1","6","1") = "5"
    & skf21("4","1","4","6","5","1","7","1") = "6"
    & skf21("4","1","4","6","5","2","1","1") = "5"
    & skf21("4","1","4","6","5","2","2","1") = "5"
    & skf21("4","1","4","6","5","2","3","1") = "5"
    & skf21("4","1","4","6","5","2","4","1") = "5"
    & skf21("4","1","4","6","5","2","5","1") = "5"
    & skf21("4","1","4","6","5","2","6","1") = "5"
    & skf21("4","1","4","6","5","2","7","1") = "6"
    & skf21("4","1","4","6","5","3","1","1") = "5"
    & skf21("4","1","4","6","5","3","2","1") = "5"
    & skf21("4","1","4","6","5","3","3","1") = "5"
    & skf21("4","1","4","6","5","3","4","1") = "5"
    & skf21("4","1","4","6","5","3","5","1") = "5"
    & skf21("4","1","4","6","5","3","6","1") = "5"
    & skf21("4","1","4","6","5","3","7","1") = "6"
    & skf21("4","1","4","6","5","4","1","1") = "5"
    & skf21("4","1","4","6","5","4","2","1") = "5"
    & skf21("4","1","4","6","5","4","3","1") = "5"
    & skf21("4","1","4","6","5","4","4","1") = "5"
    & skf21("4","1","4","6","5","4","5","1") = "5"
    & skf21("4","1","4","6","5","4","6","1") = "5"
    & skf21("4","1","4","6","5","4","7","1") = "6"
    & skf21("4","1","4","6","5","5","1","1") = "5"
    & skf21("4","1","4","6","5","5","2","1") = "5"
    & skf21("4","1","4","6","5","5","3","1") = "5"
    & skf21("4","1","4","6","5","5","4","1") = "5"
    & skf21("4","1","4","6","5","5","5","1") = "5"
    & skf21("4","1","4","6","5","5","6","1") = "5"
    & skf21("4","1","4","6","5","5","7","1") = "6"
    & skf21("4","1","4","6","5","6","1","1") = "5"
    & skf21("4","1","4","6","5","6","2","1") = "5"
    & skf21("4","1","4","6","5","6","3","1") = "5"
    & skf21("4","1","4","6","5","6","4","1") = "5"
    & skf21("4","1","4","6","5","6","5","1") = "5"
    & skf21("4","1","4","6","5","6","6","1") = "5"
    & skf21("4","1","4","6","5","6","7","1") = "6"
    & skf21("4","1","4","6","5","7","1","1") = "6"
    & skf21("4","1","4","6","5","7","2","1") = "6"
    & skf21("4","1","4","6","5","7","3","1") = "6"
    & skf21("4","1","4","6","5","7","4","1") = "6"
    & skf21("4","1","4","6","5","7","5","1") = "6"
    & skf21("4","1","4","6","5","7","6","1") = "6"
    & skf21("4","1","4","6","5","7","7","1") = "6"
    & skf21("4","1","4","6","6","1","1","1") = "5"
    & skf21("4","1","4","6","6","1","2","1") = "5"
    & skf21("4","1","4","6","6","1","3","1") = "5"
    & skf21("4","1","4","6","6","1","4","1") = "5"
    & skf21("4","1","4","6","6","1","5","1") = "5"
    & skf21("4","1","4","6","6","1","6","1") = "5"
    & skf21("4","1","4","6","6","1","7","1") = "6"
    & skf21("4","1","4","6","6","2","1","1") = "5"
    & skf21("4","1","4","6","6","2","2","1") = "5"
    & skf21("4","1","4","6","6","2","3","1") = "5"
    & skf21("4","1","4","6","6","2","4","1") = "5"
    & skf21("4","1","4","6","6","2","5","1") = "5"
    & skf21("4","1","4","6","6","2","6","1") = "5"
    & skf21("4","1","4","6","6","2","7","1") = "6"
    & skf21("4","1","4","6","6","3","1","1") = "5"
    & skf21("4","1","4","6","6","3","2","1") = "5"
    & skf21("4","1","4","6","6","3","3","1") = "5"
    & skf21("4","1","4","6","6","3","4","1") = "5"
    & skf21("4","1","4","6","6","3","5","1") = "5"
    & skf21("4","1","4","6","6","3","6","1") = "5"
    & skf21("4","1","4","6","6","3","7","1") = "6"
    & skf21("4","1","4","6","6","4","1","1") = "5"
    & skf21("4","1","4","6","6","4","2","1") = "5"
    & skf21("4","1","4","6","6","4","3","1") = "5"
    & skf21("4","1","4","6","6","4","4","1") = "5"
    & skf21("4","1","4","6","6","4","5","1") = "5"
    & skf21("4","1","4","6","6","4","6","1") = "5"
    & skf21("4","1","4","6","6","4","7","1") = "6"
    & skf21("4","1","4","6","6","5","1","1") = "5"
    & skf21("4","1","4","6","6","5","2","1") = "5"
    & skf21("4","1","4","6","6","5","3","1") = "5"
    & skf21("4","1","4","6","6","5","4","1") = "5"
    & skf21("4","1","4","6","6","5","5","1") = "5"
    & skf21("4","1","4","6","6","5","6","1") = "5"
    & skf21("4","1","4","6","6","5","7","1") = "6"
    & skf21("4","1","4","6","6","6","1","1") = "5"
    & skf21("4","1","4","6","6","6","2","1") = "5"
    & skf21("4","1","4","6","6","6","3","1") = "5"
    & skf21("4","1","4","6","6","6","4","1") = "5"
    & skf21("4","1","4","6","6","6","5","1") = "5"
    & skf21("4","1","4","6","6","6","6","1") = "5"
    & skf21("4","1","4","6","6","6","7","1") = "6"
    & skf21("4","1","4","6","6","7","1","1") = "6"
    & skf21("4","1","4","6","6","7","2","1") = "6"
    & skf21("4","1","4","6","6","7","3","1") = "6"
    & skf21("4","1","4","6","6","7","4","1") = "6"
    & skf21("4","1","4","6","6","7","5","1") = "6"
    & skf21("4","1","4","6","6","7","6","1") = "6"
    & skf21("4","1","4","6","6","7","7","1") = "6"
    & skf21("4","1","4","6","7","1","1","1") = "6"
    & skf21("4","1","4","6","7","1","2","1") = "6"
    & skf21("4","1","4","6","7","1","3","1") = "6"
    & skf21("4","1","4","6","7","1","4","1") = "6"
    & skf21("4","1","4","6","7","1","5","1") = "6"
    & skf21("4","1","4","6","7","1","6","1") = "6"
    & skf21("4","1","4","6","7","1","7","1") = "6"
    & skf21("4","1","4","6","7","2","1","1") = "6"
    & skf21("4","1","4","6","7","2","2","1") = "6"
    & skf21("4","1","4","6","7","2","3","1") = "6"
    & skf21("4","1","4","6","7","2","4","1") = "6"
    & skf21("4","1","4","6","7","2","5","1") = "6"
    & skf21("4","1","4","6","7","2","6","1") = "6"
    & skf21("4","1","4","6","7","2","7","1") = "6"
    & skf21("4","1","4","6","7","3","1","1") = "6"
    & skf21("4","1","4","6","7","3","2","1") = "6"
    & skf21("4","1","4","6","7","3","3","1") = "6"
    & skf21("4","1","4","6","7","3","4","1") = "6"
    & skf21("4","1","4","6","7","3","5","1") = "6"
    & skf21("4","1","4","6","7","3","6","1") = "6"
    & skf21("4","1","4","6","7","3","7","1") = "6"
    & skf21("4","1","4","6","7","4","1","1") = "6"
    & skf21("4","1","4","6","7","4","2","1") = "6"
    & skf21("4","1","4","6","7","4","3","1") = "6"
    & skf21("4","1","4","6","7","4","4","1") = "6"
    & skf21("4","1","4","6","7","4","5","1") = "6"
    & skf21("4","1","4","6","7","4","6","1") = "6"
    & skf21("4","1","4","6","7","4","7","1") = "6"
    & skf21("4","1","4","6","7","5","1","1") = "6"
    & skf21("4","1","4","6","7","5","2","1") = "6"
    & skf21("4","1","4","6","7","5","3","1") = "6"
    & skf21("4","1","4","6","7","5","4","1") = "6"
    & skf21("4","1","4","6","7","5","5","1") = "6"
    & skf21("4","1","4","6","7","5","6","1") = "6"
    & skf21("4","1","4","6","7","5","7","1") = "6"
    & skf21("4","1","4","6","7","6","1","1") = "6"
    & skf21("4","1","4","6","7","6","2","1") = "6"
    & skf21("4","1","4","6","7","6","3","1") = "6"
    & skf21("4","1","4","6","7","6","4","1") = "6"
    & skf21("4","1","4","6","7","6","5","1") = "6"
    & skf21("4","1","4","6","7","6","6","1") = "6"
    & skf21("4","1","4","6","7","6","7","1") = "6"
    & skf21("4","1","4","6","7","7","1","1") = "6"
    & skf21("4","1","4","6","7","7","2","1") = "6"
    & skf21("4","1","4","6","7","7","3","1") = "6"
    & skf21("4","1","4","6","7","7","4","1") = "6"
    & skf21("4","1","4","6","7","7","5","1") = "6"
    & skf21("4","1","4","6","7","7","6","1") = "6"
    & skf21("4","1","4","6","7","7","7","1") = "6"
    & skf21("4","1","4","7","1","1","1","1") = "6"
    & skf21("4","1","4","7","1","1","2","1") = "6"
    & skf21("4","1","4","7","1","1","3","1") = "6"
    & skf21("4","1","4","7","1","1","4","1") = "6"
    & skf21("4","1","4","7","1","1","5","1") = "6"
    & skf21("4","1","4","7","1","1","6","1") = "6"
    & skf21("4","1","4","7","1","1","7","1") = "6"
    & skf21("4","1","4","7","1","2","1","1") = "6"
    & skf21("4","1","4","7","1","2","2","1") = "6"
    & skf21("4","1","4","7","1","2","3","1") = "6"
    & skf21("4","1","4","7","1","2","4","1") = "6"
    & skf21("4","1","4","7","1","2","5","1") = "6"
    & skf21("4","1","4","7","1","2","6","1") = "6"
    & skf21("4","1","4","7","1","2","7","1") = "6"
    & skf21("4","1","4","7","1","3","1","1") = "6"
    & skf21("4","1","4","7","1","3","2","1") = "6"
    & skf21("4","1","4","7","1","3","3","1") = "6"
    & skf21("4","1","4","7","1","3","4","1") = "6"
    & skf21("4","1","4","7","1","3","5","1") = "6"
    & skf21("4","1","4","7","1","3","6","1") = "6"
    & skf21("4","1","4","7","1","3","7","1") = "6"
    & skf21("4","1","4","7","1","4","1","1") = "6"
    & skf21("4","1","4","7","1","4","2","1") = "6"
    & skf21("4","1","4","7","1","4","3","1") = "6"
    & skf21("4","1","4","7","1","4","4","1") = "6"
    & skf21("4","1","4","7","1","4","5","1") = "6"
    & skf21("4","1","4","7","1","4","6","1") = "6"
    & skf21("4","1","4","7","1","4","7","1") = "6"
    & skf21("4","1","4","7","1","5","1","1") = "6"
    & skf21("4","1","4","7","1","5","2","1") = "6"
    & skf21("4","1","4","7","1","5","3","1") = "6"
    & skf21("4","1","4","7","1","5","4","1") = "6"
    & skf21("4","1","4","7","1","5","5","1") = "6"
    & skf21("4","1","4","7","1","5","6","1") = "6"
    & skf21("4","1","4","7","1","5","7","1") = "6"
    & skf21("4","1","4","7","1","6","1","1") = "6"
    & skf21("4","1","4","7","1","6","2","1") = "6"
    & skf21("4","1","4","7","1","6","3","1") = "6"
    & skf21("4","1","4","7","1","6","4","1") = "6"
    & skf21("4","1","4","7","1","6","5","1") = "6"
    & skf21("4","1","4","7","1","6","6","1") = "6"
    & skf21("4","1","4","7","1","6","7","1") = "6"
    & skf21("4","1","4","7","1","7","1","1") = "6"
    & skf21("4","1","4","7","1","7","2","1") = "6"
    & skf21("4","1","4","7","1","7","3","1") = "6"
    & skf21("4","1","4","7","1","7","4","1") = "6"
    & skf21("4","1","4","7","1","7","5","1") = "6"
    & skf21("4","1","4","7","1","7","6","1") = "6"
    & skf21("4","1","4","7","1","7","7","1") = "6"
    & skf21("4","1","4","7","2","1","1","1") = "6"
    & skf21("4","1","4","7","2","1","2","1") = "6"
    & skf21("4","1","4","7","2","1","3","1") = "6"
    & skf21("4","1","4","7","2","1","4","1") = "6"
    & skf21("4","1","4","7","2","1","5","1") = "6"
    & skf21("4","1","4","7","2","1","6","1") = "6"
    & skf21("4","1","4","7","2","1","7","1") = "6"
    & skf21("4","1","4","7","2","2","1","1") = "6"
    & skf21("4","1","4","7","2","2","2","1") = "6"
    & skf21("4","1","4","7","2","2","3","1") = "6"
    & skf21("4","1","4","7","2","2","4","1") = "6"
    & skf21("4","1","4","7","2","2","5","1") = "6"
    & skf21("4","1","4","7","2","2","6","1") = "6"
    & skf21("4","1","4","7","2","2","7","1") = "6"
    & skf21("4","1","4","7","2","3","1","1") = "6"
    & skf21("4","1","4","7","2","3","2","1") = "6"
    & skf21("4","1","4","7","2","3","3","1") = "6"
    & skf21("4","1","4","7","2","3","4","1") = "6"
    & skf21("4","1","4","7","2","3","5","1") = "6"
    & skf21("4","1","4","7","2","3","6","1") = "6"
    & skf21("4","1","4","7","2","3","7","1") = "6"
    & skf21("4","1","4","7","2","4","1","1") = "6"
    & skf21("4","1","4","7","2","4","2","1") = "6"
    & skf21("4","1","4","7","2","4","3","1") = "6"
    & skf21("4","1","4","7","2","4","4","1") = "6"
    & skf21("4","1","4","7","2","4","5","1") = "6"
    & skf21("4","1","4","7","2","4","6","1") = "6"
    & skf21("4","1","4","7","2","4","7","1") = "6"
    & skf21("4","1","4","7","2","5","1","1") = "6"
    & skf21("4","1","4","7","2","5","2","1") = "6"
    & skf21("4","1","4","7","2","5","3","1") = "6"
    & skf21("4","1","4","7","2","5","4","1") = "6"
    & skf21("4","1","4","7","2","5","5","1") = "6"
    & skf21("4","1","4","7","2","5","6","1") = "6"
    & skf21("4","1","4","7","2","5","7","1") = "6"
    & skf21("4","1","4","7","2","6","1","1") = "6"
    & skf21("4","1","4","7","2","6","2","1") = "6"
    & skf21("4","1","4","7","2","6","3","1") = "6"
    & skf21("4","1","4","7","2","6","4","1") = "6"
    & skf21("4","1","4","7","2","6","5","1") = "6"
    & skf21("4","1","4","7","2","6","6","1") = "6"
    & skf21("4","1","4","7","2","6","7","1") = "6"
    & skf21("4","1","4","7","2","7","1","1") = "6"
    & skf21("4","1","4","7","2","7","2","1") = "6"
    & skf21("4","1","4","7","2","7","3","1") = "6"
    & skf21("4","1","4","7","2","7","4","1") = "6"
    & skf21("4","1","4","7","2","7","5","1") = "6"
    & skf21("4","1","4","7","2","7","6","1") = "6"
    & skf21("4","1","4","7","2","7","7","1") = "6"
    & skf21("4","1","4","7","3","1","1","1") = "6"
    & skf21("4","1","4","7","3","1","2","1") = "6"
    & skf21("4","1","4","7","3","1","3","1") = "6"
    & skf21("4","1","4","7","3","1","4","1") = "6"
    & skf21("4","1","4","7","3","1","5","1") = "6"
    & skf21("4","1","4","7","3","1","6","1") = "6"
    & skf21("4","1","4","7","3","1","7","1") = "6"
    & skf21("4","1","4","7","3","2","1","1") = "6"
    & skf21("4","1","4","7","3","2","2","1") = "6"
    & skf21("4","1","4","7","3","2","3","1") = "6"
    & skf21("4","1","4","7","3","2","4","1") = "6"
    & skf21("4","1","4","7","3","2","5","1") = "6"
    & skf21("4","1","4","7","3","2","6","1") = "6"
    & skf21("4","1","4","7","3","2","7","1") = "6"
    & skf21("4","1","4","7","3","3","1","1") = "6"
    & skf21("4","1","4","7","3","3","2","1") = "6"
    & skf21("4","1","4","7","3","3","3","1") = "6"
    & skf21("4","1","4","7","3","3","4","1") = "6"
    & skf21("4","1","4","7","3","3","5","1") = "6"
    & skf21("4","1","4","7","3","3","6","1") = "6"
    & skf21("4","1","4","7","3","3","7","1") = "6"
    & skf21("4","1","4","7","3","4","1","1") = "6"
    & skf21("4","1","4","7","3","4","2","1") = "6"
    & skf21("4","1","4","7","3","4","3","1") = "6"
    & skf21("4","1","4","7","3","4","4","1") = "6"
    & skf21("4","1","4","7","3","4","5","1") = "6"
    & skf21("4","1","4","7","3","4","6","1") = "6"
    & skf21("4","1","4","7","3","4","7","1") = "6"
    & skf21("4","1","4","7","3","5","1","1") = "6"
    & skf21("4","1","4","7","3","5","2","1") = "6"
    & skf21("4","1","4","7","3","5","3","1") = "6"
    & skf21("4","1","4","7","3","5","4","1") = "6"
    & skf21("4","1","4","7","3","5","5","1") = "6"
    & skf21("4","1","4","7","3","5","6","1") = "6"
    & skf21("4","1","4","7","3","5","7","1") = "6"
    & skf21("4","1","4","7","3","6","1","1") = "6"
    & skf21("4","1","4","7","3","6","2","1") = "6"
    & skf21("4","1","4","7","3","6","3","1") = "6"
    & skf21("4","1","4","7","3","6","4","1") = "6"
    & skf21("4","1","4","7","3","6","5","1") = "6"
    & skf21("4","1","4","7","3","6","6","1") = "6"
    & skf21("4","1","4","7","3","6","7","1") = "6"
    & skf21("4","1","4","7","3","7","1","1") = "6"
    & skf21("4","1","4","7","3","7","2","1") = "6"
    & skf21("4","1","4","7","3","7","3","1") = "6"
    & skf21("4","1","4","7","3","7","4","1") = "6"
    & skf21("4","1","4","7","3","7","5","1") = "6"
    & skf21("4","1","4","7","3","7","6","1") = "6"
    & skf21("4","1","4","7","3","7","7","1") = "6"
    & skf21("4","1","4","7","4","1","1","1") = "6"
    & skf21("4","1","4","7","4","1","2","1") = "6"
    & skf21("4","1","4","7","4","1","3","1") = "6"
    & skf21("4","1","4","7","4","1","4","1") = "6"
    & skf21("4","1","4","7","4","1","5","1") = "6"
    & skf21("4","1","4","7","4","1","6","1") = "6"
    & skf21("4","1","4","7","4","1","7","1") = "6"
    & skf21("4","1","4","7","4","2","1","1") = "6"
    & skf21("4","1","4","7","4","2","2","1") = "6"
    & skf21("4","1","4","7","4","2","3","1") = "6"
    & skf21("4","1","4","7","4","2","4","1") = "6"
    & skf21("4","1","4","7","4","2","5","1") = "6"
    & skf21("4","1","4","7","4","2","6","1") = "6"
    & skf21("4","1","4","7","4","2","7","1") = "6"
    & skf21("4","1","4","7","4","3","1","1") = "6"
    & skf21("4","1","4","7","4","3","2","1") = "6"
    & skf21("4","1","4","7","4","3","3","1") = "6"
    & skf21("4","1","4","7","4","3","4","1") = "6"
    & skf21("4","1","4","7","4","3","5","1") = "6"
    & skf21("4","1","4","7","4","3","6","1") = "6"
    & skf21("4","1","4","7","4","3","7","1") = "6"
    & skf21("4","1","4","7","4","4","1","1") = "6"
    & skf21("4","1","4","7","4","4","2","1") = "6"
    & skf21("4","1","4","7","4","4","3","1") = "6"
    & skf21("4","1","4","7","4","4","4","1") = "6"
    & skf21("4","1","4","7","4","4","5","1") = "6"
    & skf21("4","1","4","7","4","4","6","1") = "6"
    & skf21("4","1","4","7","4","4","7","1") = "6"
    & skf21("4","1","4","7","4","5","1","1") = "6"
    & skf21("4","1","4","7","4","5","2","1") = "6"
    & skf21("4","1","4","7","4","5","3","1") = "6"
    & skf21("4","1","4","7","4","5","4","1") = "6"
    & skf21("4","1","4","7","4","5","5","1") = "6"
    & skf21("4","1","4","7","4","5","6","1") = "6"
    & skf21("4","1","4","7","4","5","7","1") = "6"
    & skf21("4","1","4","7","4","6","1","1") = "6"
    & skf21("4","1","4","7","4","6","2","1") = "6"
    & skf21("4","1","4","7","4","6","3","1") = "6"
    & skf21("4","1","4","7","4","6","4","1") = "6"
    & skf21("4","1","4","7","4","6","5","1") = "6"
    & skf21("4","1","4","7","4","6","6","1") = "6"
    & skf21("4","1","4","7","4","6","7","1") = "6"
    & skf21("4","1","4","7","4","7","1","1") = "6"
    & skf21("4","1","4","7","4","7","2","1") = "6"
    & skf21("4","1","4","7","4","7","3","1") = "6"
    & skf21("4","1","4","7","4","7","4","1") = "6"
    & skf21("4","1","4","7","4","7","5","1") = "6"
    & skf21("4","1","4","7","4","7","6","1") = "6"
    & skf21("4","1","4","7","4","7","7","1") = "6"
    & skf21("4","1","4","7","5","1","1","1") = "6"
    & skf21("4","1","4","7","5","1","2","1") = "6"
    & skf21("4","1","4","7","5","1","3","1") = "6"
    & skf21("4","1","4","7","5","1","4","1") = "6"
    & skf21("4","1","4","7","5","1","5","1") = "6"
    & skf21("4","1","4","7","5","1","6","1") = "6"
    & skf21("4","1","4","7","5","1","7","1") = "6"
    & skf21("4","1","4","7","5","2","1","1") = "6"
    & skf21("4","1","4","7","5","2","2","1") = "6"
    & skf21("4","1","4","7","5","2","3","1") = "6"
    & skf21("4","1","4","7","5","2","4","1") = "6"
    & skf21("4","1","4","7","5","2","5","1") = "6"
    & skf21("4","1","4","7","5","2","6","1") = "6"
    & skf21("4","1","4","7","5","2","7","1") = "6"
    & skf21("4","1","4","7","5","3","1","1") = "6"
    & skf21("4","1","4","7","5","3","2","1") = "6"
    & skf21("4","1","4","7","5","3","3","1") = "6"
    & skf21("4","1","4","7","5","3","4","1") = "6"
    & skf21("4","1","4","7","5","3","5","1") = "6"
    & skf21("4","1","4","7","5","3","6","1") = "6"
    & skf21("4","1","4","7","5","3","7","1") = "6"
    & skf21("4","1","4","7","5","4","1","1") = "6"
    & skf21("4","1","4","7","5","4","2","1") = "6"
    & skf21("4","1","4","7","5","4","3","1") = "6"
    & skf21("4","1","4","7","5","4","4","1") = "6"
    & skf21("4","1","4","7","5","4","5","1") = "6"
    & skf21("4","1","4","7","5","4","6","1") = "6"
    & skf21("4","1","4","7","5","4","7","1") = "6"
    & skf21("4","1","4","7","5","5","1","1") = "6"
    & skf21("4","1","4","7","5","5","2","1") = "6"
    & skf21("4","1","4","7","5","5","3","1") = "6"
    & skf21("4","1","4","7","5","5","4","1") = "6"
    & skf21("4","1","4","7","5","5","5","1") = "6"
    & skf21("4","1","4","7","5","5","6","1") = "6"
    & skf21("4","1","4","7","5","5","7","1") = "6"
    & skf21("4","1","4","7","5","6","1","1") = "6"
    & skf21("4","1","4","7","5","6","2","1") = "6"
    & skf21("4","1","4","7","5","6","3","1") = "6"
    & skf21("4","1","4","7","5","6","4","1") = "6"
    & skf21("4","1","4","7","5","6","5","1") = "6"
    & skf21("4","1","4","7","5","6","6","1") = "6"
    & skf21("4","1","4","7","5","6","7","1") = "6"
    & skf21("4","1","4","7","5","7","1","1") = "6"
    & skf21("4","1","4","7","5","7","2","1") = "6"
    & skf21("4","1","4","7","5","7","3","1") = "6"
    & skf21("4","1","4","7","5","7","4","1") = "6"
    & skf21("4","1","4","7","5","7","5","1") = "6"
    & skf21("4","1","4","7","5","7","6","1") = "6"
    & skf21("4","1","4","7","5","7","7","1") = "6"
    & skf21("4","1","4","7","6","1","1","1") = "6"
    & skf21("4","1","4","7","6","1","2","1") = "6"
    & skf21("4","1","4","7","6","1","3","1") = "6"
    & skf21("4","1","4","7","6","1","4","1") = "6"
    & skf21("4","1","4","7","6","1","5","1") = "6"
    & skf21("4","1","4","7","6","1","6","1") = "6"
    & skf21("4","1","4","7","6","1","7","1") = "6"
    & skf21("4","1","4","7","6","2","1","1") = "6"
    & skf21("4","1","4","7","6","2","2","1") = "6"
    & skf21("4","1","4","7","6","2","3","1") = "6"
    & skf21("4","1","4","7","6","2","4","1") = "6"
    & skf21("4","1","4","7","6","2","5","1") = "6"
    & skf21("4","1","4","7","6","2","6","1") = "6"
    & skf21("4","1","4","7","6","2","7","1") = "6"
    & skf21("4","1","4","7","6","3","1","1") = "6"
    & skf21("4","1","4","7","6","3","2","1") = "6"
    & skf21("4","1","4","7","6","3","3","1") = "6"
    & skf21("4","1","4","7","6","3","4","1") = "6"
    & skf21("4","1","4","7","6","3","5","1") = "6"
    & skf21("4","1","4","7","6","3","6","1") = "6"
    & skf21("4","1","4","7","6","3","7","1") = "6"
    & skf21("4","1","4","7","6","4","1","1") = "6"
    & skf21("4","1","4","7","6","4","2","1") = "6"
    & skf21("4","1","4","7","6","4","3","1") = "6"
    & skf21("4","1","4","7","6","4","4","1") = "6"
    & skf21("4","1","4","7","6","4","5","1") = "6"
    & skf21("4","1","4","7","6","4","6","1") = "6"
    & skf21("4","1","4","7","6","4","7","1") = "6"
    & skf21("4","1","4","7","6","5","1","1") = "6"
    & skf21("4","1","4","7","6","5","2","1") = "6"
    & skf21("4","1","4","7","6","5","3","1") = "6"
    & skf21("4","1","4","7","6","5","4","1") = "6"
    & skf21("4","1","4","7","6","5","5","1") = "6"
    & skf21("4","1","4","7","6","5","6","1") = "6"
    & skf21("4","1","4","7","6","5","7","1") = "6"
    & skf21("4","1","4","7","6","6","1","1") = "6"
    & skf21("4","1","4","7","6","6","2","1") = "6"
    & skf21("4","1","4","7","6","6","3","1") = "6"
    & skf21("4","1","4","7","6","6","4","1") = "6"
    & skf21("4","1","4","7","6","6","5","1") = "6"
    & skf21("4","1","4","7","6","6","6","1") = "6"
    & skf21("4","1","4","7","6","6","7","1") = "6"
    & skf21("4","1","4","7","6","7","1","1") = "6"
    & skf21("4","1","4","7","6","7","2","1") = "6"
    & skf21("4","1","4","7","6","7","3","1") = "6"
    & skf21("4","1","4","7","6","7","4","1") = "6"
    & skf21("4","1","4","7","6","7","5","1") = "6"
    & skf21("4","1","4","7","6","7","6","1") = "6"
    & skf21("4","1","4","7","6","7","7","1") = "6"
    & skf21("4","1","4","7","7","1","1","1") = "6"
    & skf21("4","1","4","7","7","1","2","1") = "6"
    & skf21("4","1","4","7","7","1","3","1") = "6"
    & skf21("4","1","4","7","7","1","4","1") = "6"
    & skf21("4","1","4","7","7","1","5","1") = "6"
    & skf21("4","1","4","7","7","1","6","1") = "6"
    & skf21("4","1","4","7","7","1","7","1") = "6"
    & skf21("4","1","4","7","7","2","1","1") = "6"
    & skf21("4","1","4","7","7","2","2","1") = "6"
    & skf21("4","1","4","7","7","2","3","1") = "6"
    & skf21("4","1","4","7","7","2","4","1") = "6"
    & skf21("4","1","4","7","7","2","5","1") = "6"
    & skf21("4","1","4","7","7","2","6","1") = "6"
    & skf21("4","1","4","7","7","2","7","1") = "6"
    & skf21("4","1","4","7","7","3","1","1") = "6"
    & skf21("4","1","4","7","7","3","2","1") = "6"
    & skf21("4","1","4","7","7","3","3","1") = "6"
    & skf21("4","1","4","7","7","3","4","1") = "6"
    & skf21("4","1","4","7","7","3","5","1") = "6"
    & skf21("4","1","4","7","7","3","6","1") = "6"
    & skf21("4","1","4","7","7","3","7","1") = "6"
    & skf21("4","1","4","7","7","4","1","1") = "6"
    & skf21("4","1","4","7","7","4","2","1") = "6"
    & skf21("4","1","4","7","7","4","3","1") = "6"
    & skf21("4","1","4","7","7","4","4","1") = "6"
    & skf21("4","1","4","7","7","4","5","1") = "6"
    & skf21("4","1","4","7","7","4","6","1") = "6"
    & skf21("4","1","4","7","7","4","7","1") = "6"
    & skf21("4","1","4","7","7","5","1","1") = "6"
    & skf21("4","1","4","7","7","5","2","1") = "6"
    & skf21("4","1","4","7","7","5","3","1") = "6"
    & skf21("4","1","4","7","7","5","4","1") = "6"
    & skf21("4","1","4","7","7","5","5","1") = "6"
    & skf21("4","1","4","7","7","5","6","1") = "6"
    & skf21("4","1","4","7","7","5","7","1") = "6"
    & skf21("4","1","4","7","7","6","1","1") = "6"
    & skf21("4","1","4","7","7","6","2","1") = "6"
    & skf21("4","1","4","7","7","6","3","1") = "6"
    & skf21("4","1","4","7","7","6","4","1") = "6"
    & skf21("4","1","4","7","7","6","5","1") = "6"
    & skf21("4","1","4","7","7","6","6","1") = "6"
    & skf21("4","1","4","7","7","6","7","1") = "6"
    & skf21("4","1","4","7","7","7","1","1") = "6"
    & skf21("4","1","4","7","7","7","2","1") = "6"
    & skf21("4","1","4","7","7","7","3","1") = "6"
    & skf21("4","1","4","7","7","7","4","1") = "6"
    & skf21("4","1","4","7","7","7","5","1") = "6"
    & skf21("4","1","4","7","7","7","6","1") = "6"
    & skf21("4","1","4","7","7","7","7","1") = "6"
    & skf21("4","1","5","1","1","1","1","1") = "4"
    & skf21("4","1","5","1","1","1","2","1") = "4"
    & skf21("4","1","5","1","1","1","3","1") = "4"
    & skf21("4","1","5","1","1","1","4","1") = "4"
    & skf21("4","1","5","1","1","1","5","1") = "4"
    & skf21("4","1","5","1","1","1","6","1") = "5"
    & skf21("4","1","5","1","1","1","7","1") = "6"
    & skf21("4","1","5","1","1","2","1","1") = "4"
    & skf21("4","1","5","1","1","2","2","1") = "4"
    & skf21("4","1","5","1","1","2","3","1") = "4"
    & skf21("4","1","5","1","1","2","4","1") = "4"
    & skf21("4","1","5","1","1","2","5","1") = "4"
    & skf21("4","1","5","1","1","2","6","1") = "5"
    & skf21("4","1","5","1","1","2","7","1") = "6"
    & skf21("4","1","5","1","1","3","1","1") = "4"
    & skf21("4","1","5","1","1","3","2","1") = "4"
    & skf21("4","1","5","1","1","3","3","1") = "4"
    & skf21("4","1","5","1","1","3","4","1") = "4"
    & skf21("4","1","5","1","1","3","5","1") = "4"
    & skf21("4","1","5","1","1","3","6","1") = "5"
    & skf21("4","1","5","1","1","3","7","1") = "6"
    & skf21("4","1","5","1","1","4","1","1") = "4"
    & skf21("4","1","5","1","1","4","2","1") = "4"
    & skf21("4","1","5","1","1","4","3","1") = "4"
    & skf21("4","1","5","1","1","4","4","1") = "4"
    & skf21("4","1","5","1","1","4","5","1") = "4"
    & skf21("4","1","5","1","1","4","6","1") = "5"
    & skf21("4","1","5","1","1","4","7","1") = "6"
    & skf21("4","1","5","1","1","5","1","1") = "4"
    & skf21("4","1","5","1","1","5","2","1") = "4"
    & skf21("4","1","5","1","1","5","3","1") = "4"
    & skf21("4","1","5","1","1","5","4","1") = "4"
    & skf21("4","1","5","1","1","5","5","1") = "4"
    & skf21("4","1","5","1","1","5","6","1") = "5"
    & skf21("4","1","5","1","1","5","7","1") = "6"
    & skf21("4","1","5","1","1","6","1","1") = "5"
    & skf21("4","1","5","1","1","6","2","1") = "5"
    & skf21("4","1","5","1","1","6","3","1") = "5"
    & skf21("4","1","5","1","1","6","4","1") = "5"
    & skf21("4","1","5","1","1","6","5","1") = "5"
    & skf21("4","1","5","1","1","6","6","1") = "5"
    & skf21("4","1","5","1","1","6","7","1") = "6"
    & skf21("4","1","5","1","1","7","1","1") = "6"
    & skf21("4","1","5","1","1","7","2","1") = "6"
    & skf21("4","1","5","1","1","7","3","1") = "6"
    & skf21("4","1","5","1","1","7","4","1") = "6"
    & skf21("4","1","5","1","1","7","5","1") = "6"
    & skf21("4","1","5","1","1","7","6","1") = "6"
    & skf21("4","1","5","1","1","7","7","1") = "6"
    & skf21("4","1","5","1","2","1","1","1") = "4"
    & skf21("4","1","5","1","2","1","2","1") = "4"
    & skf21("4","1","5","1","2","1","3","1") = "4"
    & skf21("4","1","5","1","2","1","4","1") = "4"
    & skf21("4","1","5","1","2","1","5","1") = "4"
    & skf21("4","1","5","1","2","1","6","1") = "5"
    & skf21("4","1","5","1","2","1","7","1") = "6"
    & skf21("4","1","5","1","2","2","1","1") = "4"
    & skf21("4","1","5","1","2","2","2","1") = "4"
    & skf21("4","1","5","1","2","2","3","1") = "4"
    & skf21("4","1","5","1","2","2","4","1") = "4"
    & skf21("4","1","5","1","2","2","5","1") = "4"
    & skf21("4","1","5","1","2","2","6","1") = "5"
    & skf21("4","1","5","1","2","2","7","1") = "6"
    & skf21("4","1","5","1","2","3","1","1") = "4"
    & skf21("4","1","5","1","2","3","2","1") = "4"
    & skf21("4","1","5","1","2","3","3","1") = "4"
    & skf21("4","1","5","1","2","3","4","1") = "4"
    & skf21("4","1","5","1","2","3","5","1") = "4"
    & skf21("4","1","5","1","2","3","6","1") = "5"
    & skf21("4","1","5","1","2","3","7","1") = "6"
    & skf21("4","1","5","1","2","4","1","1") = "4"
    & skf21("4","1","5","1","2","4","2","1") = "4"
    & skf21("4","1","5","1","2","4","3","1") = "4"
    & skf21("4","1","5","1","2","4","4","1") = "4"
    & skf21("4","1","5","1","2","4","5","1") = "4"
    & skf21("4","1","5","1","2","4","6","1") = "5"
    & skf21("4","1","5","1","2","4","7","1") = "6"
    & skf21("4","1","5","1","2","5","1","1") = "4"
    & skf21("4","1","5","1","2","5","2","1") = "4"
    & skf21("4","1","5","1","2","5","3","1") = "4"
    & skf21("4","1","5","1","2","5","4","1") = "4"
    & skf21("4","1","5","1","2","5","5","1") = "4"
    & skf21("4","1","5","1","2","5","6","1") = "5"
    & skf21("4","1","5","1","2","5","7","1") = "6"
    & skf21("4","1","5","1","2","6","1","1") = "5"
    & skf21("4","1","5","1","2","6","2","1") = "5"
    & skf21("4","1","5","1","2","6","3","1") = "5"
    & skf21("4","1","5","1","2","6","4","1") = "5"
    & skf21("4","1","5","1","2","6","5","1") = "5"
    & skf21("4","1","5","1","2","6","6","1") = "5"
    & skf21("4","1","5","1","2","6","7","1") = "6"
    & skf21("4","1","5","1","2","7","1","1") = "6"
    & skf21("4","1","5","1","2","7","2","1") = "6"
    & skf21("4","1","5","1","2","7","3","1") = "6"
    & skf21("4","1","5","1","2","7","4","1") = "6"
    & skf21("4","1","5","1","2","7","5","1") = "6"
    & skf21("4","1","5","1","2","7","6","1") = "6"
    & skf21("4","1","5","1","2","7","7","1") = "6"
    & skf21("4","1","5","1","3","1","1","1") = "4"
    & skf21("4","1","5","1","3","1","2","1") = "4"
    & skf21("4","1","5","1","3","1","3","1") = "4"
    & skf21("4","1","5","1","3","1","4","1") = "4"
    & skf21("4","1","5","1","3","1","5","1") = "4"
    & skf21("4","1","5","1","3","1","6","1") = "5"
    & skf21("4","1","5","1","3","1","7","1") = "6"
    & skf21("4","1","5","1","3","2","1","1") = "4"
    & skf21("4","1","5","1","3","2","2","1") = "4"
    & skf21("4","1","5","1","3","2","3","1") = "4"
    & skf21("4","1","5","1","3","2","4","1") = "4"
    & skf21("4","1","5","1","3","2","5","1") = "4"
    & skf21("4","1","5","1","3","2","6","1") = "5"
    & skf21("4","1","5","1","3","2","7","1") = "6"
    & skf21("4","1","5","1","3","3","1","1") = "4"
    & skf21("4","1","5","1","3","3","2","1") = "4"
    & skf21("4","1","5","1","3","3","3","1") = "4"
    & skf21("4","1","5","1","3","3","4","1") = "4"
    & skf21("4","1","5","1","3","3","5","1") = "4"
    & skf21("4","1","5","1","3","3","6","1") = "5"
    & skf21("4","1","5","1","3","3","7","1") = "6"
    & skf21("4","1","5","1","3","4","1","1") = "4"
    & skf21("4","1","5","1","3","4","2","1") = "4"
    & skf21("4","1","5","1","3","4","3","1") = "4"
    & skf21("4","1","5","1","3","4","4","1") = "4"
    & skf21("4","1","5","1","3","4","5","1") = "4"
    & skf21("4","1","5","1","3","4","6","1") = "5"
    & skf21("4","1","5","1","3","4","7","1") = "6"
    & skf21("4","1","5","1","3","5","1","1") = "4"
    & skf21("4","1","5","1","3","5","2","1") = "4"
    & skf21("4","1","5","1","3","5","3","1") = "4"
    & skf21("4","1","5","1","3","5","4","1") = "4"
    & skf21("4","1","5","1","3","5","5","1") = "4"
    & skf21("4","1","5","1","3","5","6","1") = "5"
    & skf21("4","1","5","1","3","5","7","1") = "6"
    & skf21("4","1","5","1","3","6","1","1") = "5"
    & skf21("4","1","5","1","3","6","2","1") = "5"
    & skf21("4","1","5","1","3","6","3","1") = "5"
    & skf21("4","1","5","1","3","6","4","1") = "5"
    & skf21("4","1","5","1","3","6","5","1") = "5"
    & skf21("4","1","5","1","3","6","6","1") = "5"
    & skf21("4","1","5","1","3","6","7","1") = "6"
    & skf21("4","1","5","1","3","7","1","1") = "6"
    & skf21("4","1","5","1","3","7","2","1") = "6"
    & skf21("4","1","5","1","3","7","3","1") = "6"
    & skf21("4","1","5","1","3","7","4","1") = "6"
    & skf21("4","1","5","1","3","7","5","1") = "6"
    & skf21("4","1","5","1","3","7","6","1") = "6"
    & skf21("4","1","5","1","3","7","7","1") = "6"
    & skf21("4","1","5","1","4","1","1","1") = "4"
    & skf21("4","1","5","1","4","1","2","1") = "4"
    & skf21("4","1","5","1","4","1","3","1") = "4"
    & skf21("4","1","5","1","4","1","4","1") = "4"
    & skf21("4","1","5","1","4","1","5","1") = "4"
    & skf21("4","1","5","1","4","1","6","1") = "5"
    & skf21("4","1","5","1","4","1","7","1") = "6"
    & skf21("4","1","5","1","4","2","1","1") = "4"
    & skf21("4","1","5","1","4","2","2","1") = "4"
    & skf21("4","1","5","1","4","2","3","1") = "4"
    & skf21("4","1","5","1","4","2","4","1") = "4"
    & skf21("4","1","5","1","4","2","5","1") = "4"
    & skf21("4","1","5","1","4","2","6","1") = "5"
    & skf21("4","1","5","1","4","2","7","1") = "6"
    & skf21("4","1","5","1","4","3","1","1") = "4"
    & skf21("4","1","5","1","4","3","2","1") = "4"
    & skf21("4","1","5","1","4","3","3","1") = "4"
    & skf21("4","1","5","1","4","3","4","1") = "4"
    & skf21("4","1","5","1","4","3","5","1") = "4"
    & skf21("4","1","5","1","4","3","6","1") = "5"
    & skf21("4","1","5","1","4","3","7","1") = "6"
    & skf21("4","1","5","1","4","4","1","1") = "4"
    & skf21("4","1","5","1","4","4","2","1") = "4"
    & skf21("4","1","5","1","4","4","3","1") = "4"
    & skf21("4","1","5","1","4","4","4","1") = "4"
    & skf21("4","1","5","1","4","4","5","1") = "4"
    & skf21("4","1","5","1","4","4","6","1") = "5"
    & skf21("4","1","5","1","4","4","7","1") = "6"
    & skf21("4","1","5","1","4","5","1","1") = "4"
    & skf21("4","1","5","1","4","5","2","1") = "4"
    & skf21("4","1","5","1","4","5","3","1") = "4"
    & skf21("4","1","5","1","4","5","4","1") = "4"
    & skf21("4","1","5","1","4","5","5","1") = "4"
    & skf21("4","1","5","1","4","5","6","1") = "5"
    & skf21("4","1","5","1","4","5","7","1") = "6"
    & skf21("4","1","5","1","4","6","1","1") = "5"
    & skf21("4","1","5","1","4","6","2","1") = "5"
    & skf21("4","1","5","1","4","6","3","1") = "5"
    & skf21("4","1","5","1","4","6","4","1") = "5"
    & skf21("4","1","5","1","4","6","5","1") = "5"
    & skf21("4","1","5","1","4","6","6","1") = "5"
    & skf21("4","1","5","1","4","6","7","1") = "6"
    & skf21("4","1","5","1","4","7","1","1") = "6"
    & skf21("4","1","5","1","4","7","2","1") = "6"
    & skf21("4","1","5","1","4","7","3","1") = "6"
    & skf21("4","1","5","1","4","7","4","1") = "6"
    & skf21("4","1","5","1","4","7","5","1") = "6"
    & skf21("4","1","5","1","4","7","6","1") = "6"
    & skf21("4","1","5","1","4","7","7","1") = "6"
    & skf21("4","1","5","1","5","1","1","1") = "4"
    & skf21("4","1","5","1","5","1","2","1") = "4"
    & skf21("4","1","5","1","5","1","3","1") = "4"
    & skf21("4","1","5","1","5","1","4","1") = "4"
    & skf21("4","1","5","1","5","1","5","1") = "4"
    & skf21("4","1","5","1","5","1","6","1") = "5"
    & skf21("4","1","5","1","5","1","7","1") = "6"
    & skf21("4","1","5","1","5","2","1","1") = "4"
    & skf21("4","1","5","1","5","2","2","1") = "4"
    & skf21("4","1","5","1","5","2","3","1") = "4"
    & skf21("4","1","5","1","5","2","4","1") = "4"
    & skf21("4","1","5","1","5","2","5","1") = "4"
    & skf21("4","1","5","1","5","2","6","1") = "5"
    & skf21("4","1","5","1","5","2","7","1") = "6"
    & skf21("4","1","5","1","5","3","1","1") = "4"
    & skf21("4","1","5","1","5","3","2","1") = "4"
    & skf21("4","1","5","1","5","3","3","1") = "4"
    & skf21("4","1","5","1","5","3","4","1") = "4"
    & skf21("4","1","5","1","5","3","5","1") = "4"
    & skf21("4","1","5","1","5","3","6","1") = "5"
    & skf21("4","1","5","1","5","3","7","1") = "6"
    & skf21("4","1","5","1","5","4","1","1") = "4"
    & skf21("4","1","5","1","5","4","2","1") = "4"
    & skf21("4","1","5","1","5","4","3","1") = "4"
    & skf21("4","1","5","1","5","4","4","1") = "4"
    & skf21("4","1","5","1","5","4","5","1") = "4"
    & skf21("4","1","5","1","5","4","6","1") = "5"
    & skf21("4","1","5","1","5","4","7","1") = "6"
    & skf21("4","1","5","1","5","5","1","1") = "4"
    & skf21("4","1","5","1","5","5","2","1") = "4"
    & skf21("4","1","5","1","5","5","3","1") = "4"
    & skf21("4","1","5","1","5","5","4","1") = "4"
    & skf21("4","1","5","1","5","5","5","1") = "4"
    & skf21("4","1","5","1","5","5","6","1") = "5"
    & skf21("4","1","5","1","5","5","7","1") = "6"
    & skf21("4","1","5","1","5","6","1","1") = "5"
    & skf21("4","1","5","1","5","6","2","1") = "5"
    & skf21("4","1","5","1","5","6","3","1") = "5"
    & skf21("4","1","5","1","5","6","4","1") = "5"
    & skf21("4","1","5","1","5","6","5","1") = "5"
    & skf21("4","1","5","1","5","6","6","1") = "5"
    & skf21("4","1","5","1","5","6","7","1") = "6"
    & skf21("4","1","5","1","5","7","1","1") = "6"
    & skf21("4","1","5","1","5","7","2","1") = "6"
    & skf21("4","1","5","1","5","7","3","1") = "6"
    & skf21("4","1","5","1","5","7","4","1") = "6"
    & skf21("4","1","5","1","5","7","5","1") = "6"
    & skf21("4","1","5","1","5","7","6","1") = "6"
    & skf21("4","1","5","1","5","7","7","1") = "6"
    & skf21("4","1","5","1","6","1","1","1") = "5"
    & skf21("4","1","5","1","6","1","2","1") = "5"
    & skf21("4","1","5","1","6","1","3","1") = "5"
    & skf21("4","1","5","1","6","1","4","1") = "5"
    & skf21("4","1","5","1","6","1","5","1") = "5"
    & skf21("4","1","5","1","6","1","6","1") = "5"
    & skf21("4","1","5","1","6","1","7","1") = "6"
    & skf21("4","1","5","1","6","2","1","1") = "5"
    & skf21("4","1","5","1","6","2","2","1") = "5"
    & skf21("4","1","5","1","6","2","3","1") = "5"
    & skf21("4","1","5","1","6","2","4","1") = "5"
    & skf21("4","1","5","1","6","2","5","1") = "5"
    & skf21("4","1","5","1","6","2","6","1") = "5"
    & skf21("4","1","5","1","6","2","7","1") = "6"
    & skf21("4","1","5","1","6","3","1","1") = "5"
    & skf21("4","1","5","1","6","3","2","1") = "5"
    & skf21("4","1","5","1","6","3","3","1") = "5"
    & skf21("4","1","5","1","6","3","4","1") = "5"
    & skf21("4","1","5","1","6","3","5","1") = "5"
    & skf21("4","1","5","1","6","3","6","1") = "5"
    & skf21("4","1","5","1","6","3","7","1") = "6"
    & skf21("4","1","5","1","6","4","1","1") = "5"
    & skf21("4","1","5","1","6","4","2","1") = "5"
    & skf21("4","1","5","1","6","4","3","1") = "5"
    & skf21("4","1","5","1","6","4","4","1") = "5"
    & skf21("4","1","5","1","6","4","5","1") = "5"
    & skf21("4","1","5","1","6","4","6","1") = "5"
    & skf21("4","1","5","1","6","4","7","1") = "6"
    & skf21("4","1","5","1","6","5","1","1") = "5"
    & skf21("4","1","5","1","6","5","2","1") = "5"
    & skf21("4","1","5","1","6","5","3","1") = "5"
    & skf21("4","1","5","1","6","5","4","1") = "5"
    & skf21("4","1","5","1","6","5","5","1") = "5"
    & skf21("4","1","5","1","6","5","6","1") = "5"
    & skf21("4","1","5","1","6","5","7","1") = "6"
    & skf21("4","1","5","1","6","6","1","1") = "5"
    & skf21("4","1","5","1","6","6","2","1") = "5"
    & skf21("4","1","5","1","6","6","3","1") = "5"
    & skf21("4","1","5","1","6","6","4","1") = "5"
    & skf21("4","1","5","1","6","6","5","1") = "5"
    & skf21("4","1","5","1","6","6","6","1") = "5"
    & skf21("4","1","5","1","6","6","7","1") = "6"
    & skf21("4","1","5","1","6","7","1","1") = "6"
    & skf21("4","1","5","1","6","7","2","1") = "6"
    & skf21("4","1","5","1","6","7","3","1") = "6"
    & skf21("4","1","5","1","6","7","4","1") = "6"
    & skf21("4","1","5","1","6","7","5","1") = "6"
    & skf21("4","1","5","1","6","7","6","1") = "6"
    & skf21("4","1","5","1","6","7","7","1") = "6"
    & skf21("4","1","5","1","7","1","1","1") = "6"
    & skf21("4","1","5","1","7","1","2","1") = "6"
    & skf21("4","1","5","1","7","1","3","1") = "6"
    & skf21("4","1","5","1","7","1","4","1") = "6"
    & skf21("4","1","5","1","7","1","5","1") = "6"
    & skf21("4","1","5","1","7","1","6","1") = "6"
    & skf21("4","1","5","1","7","1","7","1") = "6"
    & skf21("4","1","5","1","7","2","1","1") = "6"
    & skf21("4","1","5","1","7","2","2","1") = "6"
    & skf21("4","1","5","1","7","2","3","1") = "6"
    & skf21("4","1","5","1","7","2","4","1") = "6"
    & skf21("4","1","5","1","7","2","5","1") = "6"
    & skf21("4","1","5","1","7","2","6","1") = "6"
    & skf21("4","1","5","1","7","2","7","1") = "6"
    & skf21("4","1","5","1","7","3","1","1") = "6"
    & skf21("4","1","5","1","7","3","2","1") = "6"
    & skf21("4","1","5","1","7","3","3","1") = "6"
    & skf21("4","1","5","1","7","3","4","1") = "6"
    & skf21("4","1","5","1","7","3","5","1") = "6"
    & skf21("4","1","5","1","7","3","6","1") = "6"
    & skf21("4","1","5","1","7","3","7","1") = "6"
    & skf21("4","1","5","1","7","4","1","1") = "6"
    & skf21("4","1","5","1","7","4","2","1") = "6"
    & skf21("4","1","5","1","7","4","3","1") = "6"
    & skf21("4","1","5","1","7","4","4","1") = "6"
    & skf21("4","1","5","1","7","4","5","1") = "6"
    & skf21("4","1","5","1","7","4","6","1") = "6"
    & skf21("4","1","5","1","7","4","7","1") = "6"
    & skf21("4","1","5","1","7","5","1","1") = "6"
    & skf21("4","1","5","1","7","5","2","1") = "6"
    & skf21("4","1","5","1","7","5","3","1") = "6"
    & skf21("4","1","5","1","7","5","4","1") = "6"
    & skf21("4","1","5","1","7","5","5","1") = "6"
    & skf21("4","1","5","1","7","5","6","1") = "6"
    & skf21("4","1","5","1","7","5","7","1") = "6"
    & skf21("4","1","5","1","7","6","1","1") = "6"
    & skf21("4","1","5","1","7","6","2","1") = "6"
    & skf21("4","1","5","1","7","6","3","1") = "6"
    & skf21("4","1","5","1","7","6","4","1") = "6"
    & skf21("4","1","5","1","7","6","5","1") = "6"
    & skf21("4","1","5","1","7","6","6","1") = "6"
    & skf21("4","1","5","1","7","6","7","1") = "6"
    & skf21("4","1","5","1","7","7","1","1") = "6"
    & skf21("4","1","5","1","7","7","2","1") = "6"
    & skf21("4","1","5","1","7","7","3","1") = "6"
    & skf21("4","1","5","1","7","7","4","1") = "6"
    & skf21("4","1","5","1","7","7","5","1") = "6"
    & skf21("4","1","5","1","7","7","6","1") = "6"
    & skf21("4","1","5","1","7","7","7","1") = "6"
    & skf21("4","1","5","2","1","1","1","1") = "4"
    & skf21("4","1","5","2","1","1","2","1") = "4"
    & skf21("4","1","5","2","1","1","3","1") = "4"
    & skf21("4","1","5","2","1","1","4","1") = "4"
    & skf21("4","1","5","2","1","1","5","1") = "4"
    & skf21("4","1","5","2","1","1","6","1") = "5"
    & skf21("4","1","5","2","1","1","7","1") = "6"
    & skf21("4","1","5","2","1","2","1","1") = "4"
    & skf21("4","1","5","2","1","2","2","1") = "4"
    & skf21("4","1","5","2","1","2","3","1") = "4"
    & skf21("4","1","5","2","1","2","4","1") = "4"
    & skf21("4","1","5","2","1","2","5","1") = "4"
    & skf21("4","1","5","2","1","2","6","1") = "5"
    & skf21("4","1","5","2","1","2","7","1") = "6"
    & skf21("4","1","5","2","1","3","1","1") = "4"
    & skf21("4","1","5","2","1","3","2","1") = "4"
    & skf21("4","1","5","2","1","3","3","1") = "4"
    & skf21("4","1","5","2","1","3","4","1") = "4"
    & skf21("4","1","5","2","1","3","5","1") = "4"
    & skf21("4","1","5","2","1","3","6","1") = "5"
    & skf21("4","1","5","2","1","3","7","1") = "6"
    & skf21("4","1","5","2","1","4","1","1") = "4"
    & skf21("4","1","5","2","1","4","2","1") = "4"
    & skf21("4","1","5","2","1","4","3","1") = "4"
    & skf21("4","1","5","2","1","4","4","1") = "4"
    & skf21("4","1","5","2","1","4","5","1") = "4"
    & skf21("4","1","5","2","1","4","6","1") = "5"
    & skf21("4","1","5","2","1","4","7","1") = "6"
    & skf21("4","1","5","2","1","5","1","1") = "4"
    & skf21("4","1","5","2","1","5","2","1") = "4"
    & skf21("4","1","5","2","1","5","3","1") = "4"
    & skf21("4","1","5","2","1","5","4","1") = "4"
    & skf21("4","1","5","2","1","5","5","1") = "4"
    & skf21("4","1","5","2","1","5","6","1") = "5"
    & skf21("4","1","5","2","1","5","7","1") = "6"
    & skf21("4","1","5","2","1","6","1","1") = "5"
    & skf21("4","1","5","2","1","6","2","1") = "5"
    & skf21("4","1","5","2","1","6","3","1") = "5"
    & skf21("4","1","5","2","1","6","4","1") = "5"
    & skf21("4","1","5","2","1","6","5","1") = "5"
    & skf21("4","1","5","2","1","6","6","1") = "5"
    & skf21("4","1","5","2","1","6","7","1") = "6"
    & skf21("4","1","5","2","1","7","1","1") = "6"
    & skf21("4","1","5","2","1","7","2","1") = "6"
    & skf21("4","1","5","2","1","7","3","1") = "6"
    & skf21("4","1","5","2","1","7","4","1") = "6"
    & skf21("4","1","5","2","1","7","5","1") = "6"
    & skf21("4","1","5","2","1","7","6","1") = "6"
    & skf21("4","1","5","2","1","7","7","1") = "6"
    & skf21("4","1","5","2","2","1","1","1") = "4"
    & skf21("4","1","5","2","2","1","2","1") = "4"
    & skf21("4","1","5","2","2","1","3","1") = "4"
    & skf21("4","1","5","2","2","1","4","1") = "4"
    & skf21("4","1","5","2","2","1","5","1") = "4"
    & skf21("4","1","5","2","2","1","6","1") = "5"
    & skf21("4","1","5","2","2","1","7","1") = "6"
    & skf21("4","1","5","2","2","2","1","1") = "4"
    & skf21("4","1","5","2","2","2","2","1") = "4"
    & skf21("4","1","5","2","2","2","3","1") = "4"
    & skf21("4","1","5","2","2","2","4","1") = "4"
    & skf21("4","1","5","2","2","2","5","1") = "4"
    & skf21("4","1","5","2","2","2","6","1") = "5"
    & skf21("4","1","5","2","2","2","7","1") = "6"
    & skf21("4","1","5","2","2","3","1","1") = "4"
    & skf21("4","1","5","2","2","3","2","1") = "4"
    & skf21("4","1","5","2","2","3","3","1") = "4"
    & skf21("4","1","5","2","2","3","4","1") = "4"
    & skf21("4","1","5","2","2","3","5","1") = "4"
    & skf21("4","1","5","2","2","3","6","1") = "5"
    & skf21("4","1","5","2","2","3","7","1") = "6"
    & skf21("4","1","5","2","2","4","1","1") = "4"
    & skf21("4","1","5","2","2","4","2","1") = "4"
    & skf21("4","1","5","2","2","4","3","1") = "4"
    & skf21("4","1","5","2","2","4","4","1") = "4"
    & skf21("4","1","5","2","2","4","5","1") = "4"
    & skf21("4","1","5","2","2","4","6","1") = "5"
    & skf21("4","1","5","2","2","4","7","1") = "6"
    & skf21("4","1","5","2","2","5","1","1") = "4"
    & skf21("4","1","5","2","2","5","2","1") = "4"
    & skf21("4","1","5","2","2","5","3","1") = "4"
    & skf21("4","1","5","2","2","5","4","1") = "4"
    & skf21("4","1","5","2","2","5","5","1") = "4"
    & skf21("4","1","5","2","2","5","6","1") = "5"
    & skf21("4","1","5","2","2","5","7","1") = "6"
    & skf21("4","1","5","2","2","6","1","1") = "5"
    & skf21("4","1","5","2","2","6","2","1") = "5"
    & skf21("4","1","5","2","2","6","3","1") = "5"
    & skf21("4","1","5","2","2","6","4","1") = "5"
    & skf21("4","1","5","2","2","6","5","1") = "5"
    & skf21("4","1","5","2","2","6","6","1") = "5"
    & skf21("4","1","5","2","2","6","7","1") = "6"
    & skf21("4","1","5","2","2","7","1","1") = "6"
    & skf21("4","1","5","2","2","7","2","1") = "6"
    & skf21("4","1","5","2","2","7","3","1") = "6"
    & skf21("4","1","5","2","2","7","4","1") = "6"
    & skf21("4","1","5","2","2","7","5","1") = "6"
    & skf21("4","1","5","2","2","7","6","1") = "6"
    & skf21("4","1","5","2","2","7","7","1") = "6"
    & skf21("4","1","5","2","3","1","1","1") = "4"
    & skf21("4","1","5","2","3","1","2","1") = "4"
    & skf21("4","1","5","2","3","1","3","1") = "4"
    & skf21("4","1","5","2","3","1","4","1") = "4"
    & skf21("4","1","5","2","3","1","5","1") = "4"
    & skf21("4","1","5","2","3","1","6","1") = "5"
    & skf21("4","1","5","2","3","1","7","1") = "6"
    & skf21("4","1","5","2","3","2","1","1") = "4"
    & skf21("4","1","5","2","3","2","2","1") = "4"
    & skf21("4","1","5","2","3","2","3","1") = "4"
    & skf21("4","1","5","2","3","2","4","1") = "4"
    & skf21("4","1","5","2","3","2","5","1") = "4"
    & skf21("4","1","5","2","3","2","6","1") = "5"
    & skf21("4","1","5","2","3","2","7","1") = "6"
    & skf21("4","1","5","2","3","3","1","1") = "4"
    & skf21("4","1","5","2","3","3","2","1") = "4"
    & skf21("4","1","5","2","3","3","3","1") = "4"
    & skf21("4","1","5","2","3","3","4","1") = "4"
    & skf21("4","1","5","2","3","3","5","1") = "4"
    & skf21("4","1","5","2","3","3","6","1") = "5"
    & skf21("4","1","5","2","3","3","7","1") = "6"
    & skf21("4","1","5","2","3","4","1","1") = "4"
    & skf21("4","1","5","2","3","4","2","1") = "4"
    & skf21("4","1","5","2","3","4","3","1") = "4"
    & skf21("4","1","5","2","3","4","4","1") = "4"
    & skf21("4","1","5","2","3","4","5","1") = "4"
    & skf21("4","1","5","2","3","4","6","1") = "5"
    & skf21("4","1","5","2","3","4","7","1") = "6"
    & skf21("4","1","5","2","3","5","1","1") = "4"
    & skf21("4","1","5","2","3","5","2","1") = "4"
    & skf21("4","1","5","2","3","5","3","1") = "4"
    & skf21("4","1","5","2","3","5","4","1") = "4"
    & skf21("4","1","5","2","3","5","5","1") = "4"
    & skf21("4","1","5","2","3","5","6","1") = "5"
    & skf21("4","1","5","2","3","5","7","1") = "6"
    & skf21("4","1","5","2","3","6","1","1") = "5"
    & skf21("4","1","5","2","3","6","2","1") = "5"
    & skf21("4","1","5","2","3","6","3","1") = "5"
    & skf21("4","1","5","2","3","6","4","1") = "5"
    & skf21("4","1","5","2","3","6","5","1") = "5"
    & skf21("4","1","5","2","3","6","6","1") = "5"
    & skf21("4","1","5","2","3","6","7","1") = "6"
    & skf21("4","1","5","2","3","7","1","1") = "6"
    & skf21("4","1","5","2","3","7","2","1") = "6"
    & skf21("4","1","5","2","3","7","3","1") = "6"
    & skf21("4","1","5","2","3","7","4","1") = "6"
    & skf21("4","1","5","2","3","7","5","1") = "6"
    & skf21("4","1","5","2","3","7","6","1") = "6"
    & skf21("4","1","5","2","3","7","7","1") = "6"
    & skf21("4","1","5","2","4","1","1","1") = "4"
    & skf21("4","1","5","2","4","1","2","1") = "4"
    & skf21("4","1","5","2","4","1","3","1") = "4"
    & skf21("4","1","5","2","4","1","4","1") = "4"
    & skf21("4","1","5","2","4","1","5","1") = "4"
    & skf21("4","1","5","2","4","1","6","1") = "5"
    & skf21("4","1","5","2","4","1","7","1") = "6"
    & skf21("4","1","5","2","4","2","1","1") = "4"
    & skf21("4","1","5","2","4","2","2","1") = "4"
    & skf21("4","1","5","2","4","2","3","1") = "4"
    & skf21("4","1","5","2","4","2","4","1") = "4"
    & skf21("4","1","5","2","4","2","5","1") = "4"
    & skf21("4","1","5","2","4","2","6","1") = "5"
    & skf21("4","1","5","2","4","2","7","1") = "6"
    & skf21("4","1","5","2","4","3","1","1") = "4"
    & skf21("4","1","5","2","4","3","2","1") = "4"
    & skf21("4","1","5","2","4","3","3","1") = "4"
    & skf21("4","1","5","2","4","3","4","1") = "4"
    & skf21("4","1","5","2","4","3","5","1") = "4"
    & skf21("4","1","5","2","4","3","6","1") = "5"
    & skf21("4","1","5","2","4","3","7","1") = "6"
    & skf21("4","1","5","2","4","4","1","1") = "4"
    & skf21("4","1","5","2","4","4","2","1") = "4"
    & skf21("4","1","5","2","4","4","3","1") = "4"
    & skf21("4","1","5","2","4","4","4","1") = "4"
    & skf21("4","1","5","2","4","4","5","1") = "4"
    & skf21("4","1","5","2","4","4","6","1") = "5"
    & skf21("4","1","5","2","4","4","7","1") = "6"
    & skf21("4","1","5","2","4","5","1","1") = "4"
    & skf21("4","1","5","2","4","5","2","1") = "4"
    & skf21("4","1","5","2","4","5","3","1") = "4"
    & skf21("4","1","5","2","4","5","4","1") = "4"
    & skf21("4","1","5","2","4","5","5","1") = "4"
    & skf21("4","1","5","2","4","5","6","1") = "5"
    & skf21("4","1","5","2","4","5","7","1") = "6"
    & skf21("4","1","5","2","4","6","1","1") = "5"
    & skf21("4","1","5","2","4","6","2","1") = "5"
    & skf21("4","1","5","2","4","6","3","1") = "5"
    & skf21("4","1","5","2","4","6","4","1") = "5"
    & skf21("4","1","5","2","4","6","5","1") = "5"
    & skf21("4","1","5","2","4","6","6","1") = "5"
    & skf21("4","1","5","2","4","6","7","1") = "6"
    & skf21("4","1","5","2","4","7","1","1") = "6"
    & skf21("4","1","5","2","4","7","2","1") = "6"
    & skf21("4","1","5","2","4","7","3","1") = "6"
    & skf21("4","1","5","2","4","7","4","1") = "6"
    & skf21("4","1","5","2","4","7","5","1") = "6"
    & skf21("4","1","5","2","4","7","6","1") = "6"
    & skf21("4","1","5","2","4","7","7","1") = "6"
    & skf21("4","1","5","2","5","1","1","1") = "4"
    & skf21("4","1","5","2","5","1","2","1") = "4"
    & skf21("4","1","5","2","5","1","3","1") = "4"
    & skf21("4","1","5","2","5","1","4","1") = "4"
    & skf21("4","1","5","2","5","1","5","1") = "4"
    & skf21("4","1","5","2","5","1","6","1") = "5"
    & skf21("4","1","5","2","5","1","7","1") = "6"
    & skf21("4","1","5","2","5","2","1","1") = "4"
    & skf21("4","1","5","2","5","2","2","1") = "4"
    & skf21("4","1","5","2","5","2","3","1") = "4"
    & skf21("4","1","5","2","5","2","4","1") = "4"
    & skf21("4","1","5","2","5","2","5","1") = "4"
    & skf21("4","1","5","2","5","2","6","1") = "5"
    & skf21("4","1","5","2","5","2","7","1") = "6"
    & skf21("4","1","5","2","5","3","1","1") = "4"
    & skf21("4","1","5","2","5","3","2","1") = "4"
    & skf21("4","1","5","2","5","3","3","1") = "4"
    & skf21("4","1","5","2","5","3","4","1") = "4"
    & skf21("4","1","5","2","5","3","5","1") = "4"
    & skf21("4","1","5","2","5","3","6","1") = "5"
    & skf21("4","1","5","2","5","3","7","1") = "6"
    & skf21("4","1","5","2","5","4","1","1") = "4"
    & skf21("4","1","5","2","5","4","2","1") = "4"
    & skf21("4","1","5","2","5","4","3","1") = "4"
    & skf21("4","1","5","2","5","4","4","1") = "4"
    & skf21("4","1","5","2","5","4","5","1") = "4"
    & skf21("4","1","5","2","5","4","6","1") = "5"
    & skf21("4","1","5","2","5","4","7","1") = "6"
    & skf21("4","1","5","2","5","5","1","1") = "4"
    & skf21("4","1","5","2","5","5","2","1") = "4"
    & skf21("4","1","5","2","5","5","3","1") = "4"
    & skf21("4","1","5","2","5","5","4","1") = "4"
    & skf21("4","1","5","2","5","5","5","1") = "4"
    & skf21("4","1","5","2","5","5","6","1") = "5"
    & skf21("4","1","5","2","5","5","7","1") = "6"
    & skf21("4","1","5","2","5","6","1","1") = "5"
    & skf21("4","1","5","2","5","6","2","1") = "5"
    & skf21("4","1","5","2","5","6","3","1") = "5"
    & skf21("4","1","5","2","5","6","4","1") = "5"
    & skf21("4","1","5","2","5","6","5","1") = "5"
    & skf21("4","1","5","2","5","6","6","1") = "5"
    & skf21("4","1","5","2","5","6","7","1") = "6"
    & skf21("4","1","5","2","5","7","1","1") = "6"
    & skf21("4","1","5","2","5","7","2","1") = "6"
    & skf21("4","1","5","2","5","7","3","1") = "6"
    & skf21("4","1","5","2","5","7","4","1") = "6"
    & skf21("4","1","5","2","5","7","5","1") = "6"
    & skf21("4","1","5","2","5","7","6","1") = "6"
    & skf21("4","1","5","2","5","7","7","1") = "6"
    & skf21("4","1","5","2","6","1","1","1") = "5"
    & skf21("4","1","5","2","6","1","2","1") = "5"
    & skf21("4","1","5","2","6","1","3","1") = "5"
    & skf21("4","1","5","2","6","1","4","1") = "5"
    & skf21("4","1","5","2","6","1","5","1") = "5"
    & skf21("4","1","5","2","6","1","6","1") = "5"
    & skf21("4","1","5","2","6","1","7","1") = "6"
    & skf21("4","1","5","2","6","2","1","1") = "5"
    & skf21("4","1","5","2","6","2","2","1") = "5"
    & skf21("4","1","5","2","6","2","3","1") = "5"
    & skf21("4","1","5","2","6","2","4","1") = "5"
    & skf21("4","1","5","2","6","2","5","1") = "5"
    & skf21("4","1","5","2","6","2","6","1") = "5"
    & skf21("4","1","5","2","6","2","7","1") = "6"
    & skf21("4","1","5","2","6","3","1","1") = "5"
    & skf21("4","1","5","2","6","3","2","1") = "5"
    & skf21("4","1","5","2","6","3","3","1") = "5"
    & skf21("4","1","5","2","6","3","4","1") = "5"
    & skf21("4","1","5","2","6","3","5","1") = "5"
    & skf21("4","1","5","2","6","3","6","1") = "5"
    & skf21("4","1","5","2","6","3","7","1") = "6"
    & skf21("4","1","5","2","6","4","1","1") = "5"
    & skf21("4","1","5","2","6","4","2","1") = "5"
    & skf21("4","1","5","2","6","4","3","1") = "5"
    & skf21("4","1","5","2","6","4","4","1") = "5"
    & skf21("4","1","5","2","6","4","5","1") = "5"
    & skf21("4","1","5","2","6","4","6","1") = "5"
    & skf21("4","1","5","2","6","4","7","1") = "6"
    & skf21("4","1","5","2","6","5","1","1") = "5"
    & skf21("4","1","5","2","6","5","2","1") = "5"
    & skf21("4","1","5","2","6","5","3","1") = "5"
    & skf21("4","1","5","2","6","5","4","1") = "5"
    & skf21("4","1","5","2","6","5","5","1") = "5"
    & skf21("4","1","5","2","6","5","6","1") = "5"
    & skf21("4","1","5","2","6","5","7","1") = "6"
    & skf21("4","1","5","2","6","6","1","1") = "5"
    & skf21("4","1","5","2","6","6","2","1") = "5"
    & skf21("4","1","5","2","6","6","3","1") = "5"
    & skf21("4","1","5","2","6","6","4","1") = "5"
    & skf21("4","1","5","2","6","6","5","1") = "5"
    & skf21("4","1","5","2","6","6","6","1") = "5"
    & skf21("4","1","5","2","6","6","7","1") = "6"
    & skf21("4","1","5","2","6","7","1","1") = "6"
    & skf21("4","1","5","2","6","7","2","1") = "6"
    & skf21("4","1","5","2","6","7","3","1") = "6"
    & skf21("4","1","5","2","6","7","4","1") = "6"
    & skf21("4","1","5","2","6","7","5","1") = "6"
    & skf21("4","1","5","2","6","7","6","1") = "6"
    & skf21("4","1","5","2","6","7","7","1") = "6"
    & skf21("4","1","5","2","7","1","1","1") = "6"
    & skf21("4","1","5","2","7","1","2","1") = "6"
    & skf21("4","1","5","2","7","1","3","1") = "6"
    & skf21("4","1","5","2","7","1","4","1") = "6"
    & skf21("4","1","5","2","7","1","5","1") = "6"
    & skf21("4","1","5","2","7","1","6","1") = "6"
    & skf21("4","1","5","2","7","1","7","1") = "6"
    & skf21("4","1","5","2","7","2","1","1") = "6"
    & skf21("4","1","5","2","7","2","2","1") = "6"
    & skf21("4","1","5","2","7","2","3","1") = "6"
    & skf21("4","1","5","2","7","2","4","1") = "6"
    & skf21("4","1","5","2","7","2","5","1") = "6"
    & skf21("4","1","5","2","7","2","6","1") = "6"
    & skf21("4","1","5","2","7","2","7","1") = "6"
    & skf21("4","1","5","2","7","3","1","1") = "6"
    & skf21("4","1","5","2","7","3","2","1") = "6"
    & skf21("4","1","5","2","7","3","3","1") = "6"
    & skf21("4","1","5","2","7","3","4","1") = "6"
    & skf21("4","1","5","2","7","3","5","1") = "6"
    & skf21("4","1","5","2","7","3","6","1") = "6"
    & skf21("4","1","5","2","7","3","7","1") = "6"
    & skf21("4","1","5","2","7","4","1","1") = "6"
    & skf21("4","1","5","2","7","4","2","1") = "6"
    & skf21("4","1","5","2","7","4","3","1") = "6"
    & skf21("4","1","5","2","7","4","4","1") = "6"
    & skf21("4","1","5","2","7","4","5","1") = "6"
    & skf21("4","1","5","2","7","4","6","1") = "6"
    & skf21("4","1","5","2","7","4","7","1") = "6"
    & skf21("4","1","5","2","7","5","1","1") = "6"
    & skf21("4","1","5","2","7","5","2","1") = "6"
    & skf21("4","1","5","2","7","5","3","1") = "6"
    & skf21("4","1","5","2","7","5","4","1") = "6"
    & skf21("4","1","5","2","7","5","5","1") = "6"
    & skf21("4","1","5","2","7","5","6","1") = "6"
    & skf21("4","1","5","2","7","5","7","1") = "6"
    & skf21("4","1","5","2","7","6","1","1") = "6"
    & skf21("4","1","5","2","7","6","2","1") = "6"
    & skf21("4","1","5","2","7","6","3","1") = "6"
    & skf21("4","1","5","2","7","6","4","1") = "6"
    & skf21("4","1","5","2","7","6","5","1") = "6"
    & skf21("4","1","5","2","7","6","6","1") = "6"
    & skf21("4","1","5","2","7","6","7","1") = "6"
    & skf21("4","1","5","2","7","7","1","1") = "6"
    & skf21("4","1","5","2","7","7","2","1") = "6"
    & skf21("4","1","5","2","7","7","3","1") = "6"
    & skf21("4","1","5","2","7","7","4","1") = "6"
    & skf21("4","1","5","2","7","7","5","1") = "6"
    & skf21("4","1","5","2","7","7","6","1") = "6"
    & skf21("4","1","5","2","7","7","7","1") = "6"
    & skf21("4","1","5","3","1","1","1","1") = "4"
    & skf21("4","1","5","3","1","1","2","1") = "4"
    & skf21("4","1","5","3","1","1","3","1") = "4"
    & skf21("4","1","5","3","1","1","4","1") = "4"
    & skf21("4","1","5","3","1","1","5","1") = "4"
    & skf21("4","1","5","3","1","1","6","1") = "5"
    & skf21("4","1","5","3","1","1","7","1") = "6"
    & skf21("4","1","5","3","1","2","1","1") = "4"
    & skf21("4","1","5","3","1","2","2","1") = "4"
    & skf21("4","1","5","3","1","2","3","1") = "4"
    & skf21("4","1","5","3","1","2","4","1") = "4"
    & skf21("4","1","5","3","1","2","5","1") = "4"
    & skf21("4","1","5","3","1","2","6","1") = "5"
    & skf21("4","1","5","3","1","2","7","1") = "6"
    & skf21("4","1","5","3","1","3","1","1") = "4"
    & skf21("4","1","5","3","1","3","2","1") = "4"
    & skf21("4","1","5","3","1","3","3","1") = "4"
    & skf21("4","1","5","3","1","3","4","1") = "4"
    & skf21("4","1","5","3","1","3","5","1") = "4"
    & skf21("4","1","5","3","1","3","6","1") = "5"
    & skf21("4","1","5","3","1","3","7","1") = "6"
    & skf21("4","1","5","3","1","4","1","1") = "4"
    & skf21("4","1","5","3","1","4","2","1") = "4"
    & skf21("4","1","5","3","1","4","3","1") = "4"
    & skf21("4","1","5","3","1","4","4","1") = "4"
    & skf21("4","1","5","3","1","4","5","1") = "4"
    & skf21("4","1","5","3","1","4","6","1") = "5"
    & skf21("4","1","5","3","1","4","7","1") = "6"
    & skf21("4","1","5","3","1","5","1","1") = "4"
    & skf21("4","1","5","3","1","5","2","1") = "4"
    & skf21("4","1","5","3","1","5","3","1") = "4"
    & skf21("4","1","5","3","1","5","4","1") = "4"
    & skf21("4","1","5","3","1","5","5","1") = "4"
    & skf21("4","1","5","3","1","5","6","1") = "5"
    & skf21("4","1","5","3","1","5","7","1") = "6"
    & skf21("4","1","5","3","1","6","1","1") = "5"
    & skf21("4","1","5","3","1","6","2","1") = "5"
    & skf21("4","1","5","3","1","6","3","1") = "5"
    & skf21("4","1","5","3","1","6","4","1") = "5"
    & skf21("4","1","5","3","1","6","5","1") = "5"
    & skf21("4","1","5","3","1","6","6","1") = "5"
    & skf21("4","1","5","3","1","6","7","1") = "6"
    & skf21("4","1","5","3","1","7","1","1") = "6"
    & skf21("4","1","5","3","1","7","2","1") = "6"
    & skf21("4","1","5","3","1","7","3","1") = "6"
    & skf21("4","1","5","3","1","7","4","1") = "6"
    & skf21("4","1","5","3","1","7","5","1") = "6"
    & skf21("4","1","5","3","1","7","6","1") = "6"
    & skf21("4","1","5","3","1","7","7","1") = "6"
    & skf21("4","1","5","3","2","1","1","1") = "4"
    & skf21("4","1","5","3","2","1","2","1") = "4"
    & skf21("4","1","5","3","2","1","3","1") = "4"
    & skf21("4","1","5","3","2","1","4","1") = "4"
    & skf21("4","1","5","3","2","1","5","1") = "4"
    & skf21("4","1","5","3","2","1","6","1") = "5"
    & skf21("4","1","5","3","2","1","7","1") = "6"
    & skf21("4","1","5","3","2","2","1","1") = "4"
    & skf21("4","1","5","3","2","2","2","1") = "4"
    & skf21("4","1","5","3","2","2","3","1") = "4"
    & skf21("4","1","5","3","2","2","4","1") = "4"
    & skf21("4","1","5","3","2","2","5","1") = "4"
    & skf21("4","1","5","3","2","2","6","1") = "5"
    & skf21("4","1","5","3","2","2","7","1") = "6"
    & skf21("4","1","5","3","2","3","1","1") = "4"
    & skf21("4","1","5","3","2","3","2","1") = "4"
    & skf21("4","1","5","3","2","3","3","1") = "4"
    & skf21("4","1","5","3","2","3","4","1") = "4"
    & skf21("4","1","5","3","2","3","5","1") = "4"
    & skf21("4","1","5","3","2","3","6","1") = "5"
    & skf21("4","1","5","3","2","3","7","1") = "6"
    & skf21("4","1","5","3","2","4","1","1") = "4"
    & skf21("4","1","5","3","2","4","2","1") = "4"
    & skf21("4","1","5","3","2","4","3","1") = "4"
    & skf21("4","1","5","3","2","4","4","1") = "4"
    & skf21("4","1","5","3","2","4","5","1") = "4"
    & skf21("4","1","5","3","2","4","6","1") = "5"
    & skf21("4","1","5","3","2","4","7","1") = "6"
    & skf21("4","1","5","3","2","5","1","1") = "4"
    & skf21("4","1","5","3","2","5","2","1") = "4"
    & skf21("4","1","5","3","2","5","3","1") = "4"
    & skf21("4","1","5","3","2","5","4","1") = "4"
    & skf21("4","1","5","3","2","5","5","1") = "4"
    & skf21("4","1","5","3","2","5","6","1") = "5"
    & skf21("4","1","5","3","2","5","7","1") = "6"
    & skf21("4","1","5","3","2","6","1","1") = "5"
    & skf21("4","1","5","3","2","6","2","1") = "5"
    & skf21("4","1","5","3","2","6","3","1") = "5"
    & skf21("4","1","5","3","2","6","4","1") = "5"
    & skf21("4","1","5","3","2","6","5","1") = "5"
    & skf21("4","1","5","3","2","6","6","1") = "5"
    & skf21("4","1","5","3","2","6","7","1") = "6"
    & skf21("4","1","5","3","2","7","1","1") = "6"
    & skf21("4","1","5","3","2","7","2","1") = "6"
    & skf21("4","1","5","3","2","7","3","1") = "6"
    & skf21("4","1","5","3","2","7","4","1") = "6"
    & skf21("4","1","5","3","2","7","5","1") = "6"
    & skf21("4","1","5","3","2","7","6","1") = "6"
    & skf21("4","1","5","3","2","7","7","1") = "6"
    & skf21("4","1","5","3","3","1","1","1") = "4"
    & skf21("4","1","5","3","3","1","2","1") = "4"
    & skf21("4","1","5","3","3","1","3","1") = "4"
    & skf21("4","1","5","3","3","1","4","1") = "4"
    & skf21("4","1","5","3","3","1","5","1") = "4"
    & skf21("4","1","5","3","3","1","6","1") = "5"
    & skf21("4","1","5","3","3","1","7","1") = "6"
    & skf21("4","1","5","3","3","2","1","1") = "4"
    & skf21("4","1","5","3","3","2","2","1") = "4"
    & skf21("4","1","5","3","3","2","3","1") = "4"
    & skf21("4","1","5","3","3","2","4","1") = "4"
    & skf21("4","1","5","3","3","2","5","1") = "4"
    & skf21("4","1","5","3","3","2","6","1") = "5"
    & skf21("4","1","5","3","3","2","7","1") = "6"
    & skf21("4","1","5","3","3","3","1","1") = "4"
    & skf21("4","1","5","3","3","3","2","1") = "4"
    & skf21("4","1","5","3","3","3","3","1") = "4"
    & skf21("4","1","5","3","3","3","4","1") = "4"
    & skf21("4","1","5","3","3","3","5","1") = "4"
    & skf21("4","1","5","3","3","3","6","1") = "5"
    & skf21("4","1","5","3","3","3","7","1") = "6"
    & skf21("4","1","5","3","3","4","1","1") = "4"
    & skf21("4","1","5","3","3","4","2","1") = "4"
    & skf21("4","1","5","3","3","4","3","1") = "4"
    & skf21("4","1","5","3","3","4","4","1") = "4"
    & skf21("4","1","5","3","3","4","5","1") = "4"
    & skf21("4","1","5","3","3","4","6","1") = "5"
    & skf21("4","1","5","3","3","4","7","1") = "6"
    & skf21("4","1","5","3","3","5","1","1") = "4"
    & skf21("4","1","5","3","3","5","2","1") = "4"
    & skf21("4","1","5","3","3","5","3","1") = "4"
    & skf21("4","1","5","3","3","5","4","1") = "4"
    & skf21("4","1","5","3","3","5","5","1") = "4"
    & skf21("4","1","5","3","3","5","6","1") = "5"
    & skf21("4","1","5","3","3","5","7","1") = "6"
    & skf21("4","1","5","3","3","6","1","1") = "5"
    & skf21("4","1","5","3","3","6","2","1") = "5"
    & skf21("4","1","5","3","3","6","3","1") = "5"
    & skf21("4","1","5","3","3","6","4","1") = "5"
    & skf21("4","1","5","3","3","6","5","1") = "5"
    & skf21("4","1","5","3","3","6","6","1") = "5"
    & skf21("4","1","5","3","3","6","7","1") = "6"
    & skf21("4","1","5","3","3","7","1","1") = "6"
    & skf21("4","1","5","3","3","7","2","1") = "6"
    & skf21("4","1","5","3","3","7","3","1") = "6"
    & skf21("4","1","5","3","3","7","4","1") = "6"
    & skf21("4","1","5","3","3","7","5","1") = "6"
    & skf21("4","1","5","3","3","7","6","1") = "6"
    & skf21("4","1","5","3","3","7","7","1") = "6"
    & skf21("4","1","5","3","4","1","1","1") = "4"
    & skf21("4","1","5","3","4","1","2","1") = "4"
    & skf21("4","1","5","3","4","1","3","1") = "4"
    & skf21("4","1","5","3","4","1","4","1") = "4"
    & skf21("4","1","5","3","4","1","5","1") = "4"
    & skf21("4","1","5","3","4","1","6","1") = "5"
    & skf21("4","1","5","3","4","1","7","1") = "6"
    & skf21("4","1","5","3","4","2","1","1") = "4"
    & skf21("4","1","5","3","4","2","2","1") = "4"
    & skf21("4","1","5","3","4","2","3","1") = "4"
    & skf21("4","1","5","3","4","2","4","1") = "4"
    & skf21("4","1","5","3","4","2","5","1") = "4"
    & skf21("4","1","5","3","4","2","6","1") = "5"
    & skf21("4","1","5","3","4","2","7","1") = "6"
    & skf21("4","1","5","3","4","3","1","1") = "4"
    & skf21("4","1","5","3","4","3","2","1") = "4"
    & skf21("4","1","5","3","4","3","3","1") = "4"
    & skf21("4","1","5","3","4","3","4","1") = "4"
    & skf21("4","1","5","3","4","3","5","1") = "4"
    & skf21("4","1","5","3","4","3","6","1") = "5"
    & skf21("4","1","5","3","4","3","7","1") = "6"
    & skf21("4","1","5","3","4","4","1","1") = "4"
    & skf21("4","1","5","3","4","4","2","1") = "4"
    & skf21("4","1","5","3","4","4","3","1") = "4"
    & skf21("4","1","5","3","4","4","4","1") = "4"
    & skf21("4","1","5","3","4","4","5","1") = "4"
    & skf21("4","1","5","3","4","4","6","1") = "5"
    & skf21("4","1","5","3","4","4","7","1") = "6"
    & skf21("4","1","5","3","4","5","1","1") = "4"
    & skf21("4","1","5","3","4","5","2","1") = "4"
    & skf21("4","1","5","3","4","5","3","1") = "4"
    & skf21("4","1","5","3","4","5","4","1") = "4"
    & skf21("4","1","5","3","4","5","5","1") = "4"
    & skf21("4","1","5","3","4","5","6","1") = "5"
    & skf21("4","1","5","3","4","5","7","1") = "6"
    & skf21("4","1","5","3","4","6","1","1") = "5"
    & skf21("4","1","5","3","4","6","2","1") = "5"
    & skf21("4","1","5","3","4","6","3","1") = "5"
    & skf21("4","1","5","3","4","6","4","1") = "5"
    & skf21("4","1","5","3","4","6","5","1") = "5"
    & skf21("4","1","5","3","4","6","6","1") = "5"
    & skf21("4","1","5","3","4","6","7","1") = "6"
    & skf21("4","1","5","3","4","7","1","1") = "6"
    & skf21("4","1","5","3","4","7","2","1") = "6"
    & skf21("4","1","5","3","4","7","3","1") = "6"
    & skf21("4","1","5","3","4","7","4","1") = "6"
    & skf21("4","1","5","3","4","7","5","1") = "6"
    & skf21("4","1","5","3","4","7","6","1") = "6"
    & skf21("4","1","5","3","4","7","7","1") = "6"
    & skf21("4","1","5","3","5","1","1","1") = "4"
    & skf21("4","1","5","3","5","1","2","1") = "4"
    & skf21("4","1","5","3","5","1","3","1") = "4"
    & skf21("4","1","5","3","5","1","4","1") = "4"
    & skf21("4","1","5","3","5","1","5","1") = "4"
    & skf21("4","1","5","3","5","1","6","1") = "5"
    & skf21("4","1","5","3","5","1","7","1") = "6"
    & skf21("4","1","5","3","5","2","1","1") = "4"
    & skf21("4","1","5","3","5","2","2","1") = "4"
    & skf21("4","1","5","3","5","2","3","1") = "4"
    & skf21("4","1","5","3","5","2","4","1") = "4"
    & skf21("4","1","5","3","5","2","5","1") = "4"
    & skf21("4","1","5","3","5","2","6","1") = "5"
    & skf21("4","1","5","3","5","2","7","1") = "6"
    & skf21("4","1","5","3","5","3","1","1") = "4"
    & skf21("4","1","5","3","5","3","2","1") = "4"
    & skf21("4","1","5","3","5","3","3","1") = "4"
    & skf21("4","1","5","3","5","3","4","1") = "4"
    & skf21("4","1","5","3","5","3","5","1") = "4"
    & skf21("4","1","5","3","5","3","6","1") = "5"
    & skf21("4","1","5","3","5","3","7","1") = "6"
    & skf21("4","1","5","3","5","4","1","1") = "4"
    & skf21("4","1","5","3","5","4","2","1") = "4"
    & skf21("4","1","5","3","5","4","3","1") = "4"
    & skf21("4","1","5","3","5","4","4","1") = "4"
    & skf21("4","1","5","3","5","4","5","1") = "4"
    & skf21("4","1","5","3","5","4","6","1") = "5"
    & skf21("4","1","5","3","5","4","7","1") = "6"
    & skf21("4","1","5","3","5","5","1","1") = "4"
    & skf21("4","1","5","3","5","5","2","1") = "4"
    & skf21("4","1","5","3","5","5","3","1") = "4"
    & skf21("4","1","5","3","5","5","4","1") = "4"
    & skf21("4","1","5","3","5","5","5","1") = "4"
    & skf21("4","1","5","3","5","5","6","1") = "5"
    & skf21("4","1","5","3","5","5","7","1") = "6"
    & skf21("4","1","5","3","5","6","1","1") = "5"
    & skf21("4","1","5","3","5","6","2","1") = "5"
    & skf21("4","1","5","3","5","6","3","1") = "5"
    & skf21("4","1","5","3","5","6","4","1") = "5"
    & skf21("4","1","5","3","5","6","5","1") = "5"
    & skf21("4","1","5","3","5","6","6","1") = "5"
    & skf21("4","1","5","3","5","6","7","1") = "6"
    & skf21("4","1","5","3","5","7","1","1") = "6"
    & skf21("4","1","5","3","5","7","2","1") = "6"
    & skf21("4","1","5","3","5","7","3","1") = "6"
    & skf21("4","1","5","3","5","7","4","1") = "6"
    & skf21("4","1","5","3","5","7","5","1") = "6"
    & skf21("4","1","5","3","5","7","6","1") = "6"
    & skf21("4","1","5","3","5","7","7","1") = "6"
    & skf21("4","1","5","3","6","1","1","1") = "5"
    & skf21("4","1","5","3","6","1","2","1") = "5"
    & skf21("4","1","5","3","6","1","3","1") = "5"
    & skf21("4","1","5","3","6","1","4","1") = "5"
    & skf21("4","1","5","3","6","1","5","1") = "5"
    & skf21("4","1","5","3","6","1","6","1") = "5"
    & skf21("4","1","5","3","6","1","7","1") = "6"
    & skf21("4","1","5","3","6","2","1","1") = "5"
    & skf21("4","1","5","3","6","2","2","1") = "5"
    & skf21("4","1","5","3","6","2","3","1") = "5"
    & skf21("4","1","5","3","6","2","4","1") = "5"
    & skf21("4","1","5","3","6","2","5","1") = "5"
    & skf21("4","1","5","3","6","2","6","1") = "5"
    & skf21("4","1","5","3","6","2","7","1") = "6"
    & skf21("4","1","5","3","6","3","1","1") = "5"
    & skf21("4","1","5","3","6","3","2","1") = "5"
    & skf21("4","1","5","3","6","3","3","1") = "5"
    & skf21("4","1","5","3","6","3","4","1") = "5"
    & skf21("4","1","5","3","6","3","5","1") = "5"
    & skf21("4","1","5","3","6","3","6","1") = "5"
    & skf21("4","1","5","3","6","3","7","1") = "6"
    & skf21("4","1","5","3","6","4","1","1") = "5"
    & skf21("4","1","5","3","6","4","2","1") = "5"
    & skf21("4","1","5","3","6","4","3","1") = "5"
    & skf21("4","1","5","3","6","4","4","1") = "5"
    & skf21("4","1","5","3","6","4","5","1") = "5"
    & skf21("4","1","5","3","6","4","6","1") = "5"
    & skf21("4","1","5","3","6","4","7","1") = "6"
    & skf21("4","1","5","3","6","5","1","1") = "5"
    & skf21("4","1","5","3","6","5","2","1") = "5"
    & skf21("4","1","5","3","6","5","3","1") = "5"
    & skf21("4","1","5","3","6","5","4","1") = "5"
    & skf21("4","1","5","3","6","5","5","1") = "5"
    & skf21("4","1","5","3","6","5","6","1") = "5"
    & skf21("4","1","5","3","6","5","7","1") = "6"
    & skf21("4","1","5","3","6","6","1","1") = "5"
    & skf21("4","1","5","3","6","6","2","1") = "5"
    & skf21("4","1","5","3","6","6","3","1") = "5"
    & skf21("4","1","5","3","6","6","4","1") = "5"
    & skf21("4","1","5","3","6","6","5","1") = "5"
    & skf21("4","1","5","3","6","6","6","1") = "5"
    & skf21("4","1","5","3","6","6","7","1") = "6"
    & skf21("4","1","5","3","6","7","1","1") = "6"
    & skf21("4","1","5","3","6","7","2","1") = "6"
    & skf21("4","1","5","3","6","7","3","1") = "6"
    & skf21("4","1","5","3","6","7","4","1") = "6"
    & skf21("4","1","5","3","6","7","5","1") = "6"
    & skf21("4","1","5","3","6","7","6","1") = "6"
    & skf21("4","1","5","3","6","7","7","1") = "6"
    & skf21("4","1","5","3","7","1","1","1") = "6"
    & skf21("4","1","5","3","7","1","2","1") = "6"
    & skf21("4","1","5","3","7","1","3","1") = "6"
    & skf21("4","1","5","3","7","1","4","1") = "6"
    & skf21("4","1","5","3","7","1","5","1") = "6"
    & skf21("4","1","5","3","7","1","6","1") = "6"
    & skf21("4","1","5","3","7","1","7","1") = "6"
    & skf21("4","1","5","3","7","2","1","1") = "6"
    & skf21("4","1","5","3","7","2","2","1") = "6"
    & skf21("4","1","5","3","7","2","3","1") = "6"
    & skf21("4","1","5","3","7","2","4","1") = "6"
    & skf21("4","1","5","3","7","2","5","1") = "6"
    & skf21("4","1","5","3","7","2","6","1") = "6"
    & skf21("4","1","5","3","7","2","7","1") = "6"
    & skf21("4","1","5","3","7","3","1","1") = "6"
    & skf21("4","1","5","3","7","3","2","1") = "6"
    & skf21("4","1","5","3","7","3","3","1") = "6"
    & skf21("4","1","5","3","7","3","4","1") = "6"
    & skf21("4","1","5","3","7","3","5","1") = "6"
    & skf21("4","1","5","3","7","3","6","1") = "6"
    & skf21("4","1","5","3","7","3","7","1") = "6"
    & skf21("4","1","5","3","7","4","1","1") = "6"
    & skf21("4","1","5","3","7","4","2","1") = "6"
    & skf21("4","1","5","3","7","4","3","1") = "6"
    & skf21("4","1","5","3","7","4","4","1") = "6"
    & skf21("4","1","5","3","7","4","5","1") = "6"
    & skf21("4","1","5","3","7","4","6","1") = "6"
    & skf21("4","1","5","3","7","4","7","1") = "6"
    & skf21("4","1","5","3","7","5","1","1") = "6"
    & skf21("4","1","5","3","7","5","2","1") = "6"
    & skf21("4","1","5","3","7","5","3","1") = "6"
    & skf21("4","1","5","3","7","5","4","1") = "6"
    & skf21("4","1","5","3","7","5","5","1") = "6"
    & skf21("4","1","5","3","7","5","6","1") = "6"
    & skf21("4","1","5","3","7","5","7","1") = "6"
    & skf21("4","1","5","3","7","6","1","1") = "6"
    & skf21("4","1","5","3","7","6","2","1") = "6"
    & skf21("4","1","5","3","7","6","3","1") = "6"
    & skf21("4","1","5","3","7","6","4","1") = "6"
    & skf21("4","1","5","3","7","6","5","1") = "6"
    & skf21("4","1","5","3","7","6","6","1") = "6"
    & skf21("4","1","5","3","7","6","7","1") = "6"
    & skf21("4","1","5","3","7","7","1","1") = "6"
    & skf21("4","1","5","3","7","7","2","1") = "6"
    & skf21("4","1","5","3","7","7","3","1") = "6"
    & skf21("4","1","5","3","7","7","4","1") = "6"
    & skf21("4","1","5","3","7","7","5","1") = "6"
    & skf21("4","1","5","3","7","7","6","1") = "6"
    & skf21("4","1","5","3","7","7","7","1") = "6"
    & skf21("4","1","5","4","1","1","1","1") = "4"
    & skf21("4","1","5","4","1","1","2","1") = "4"
    & skf21("4","1","5","4","1","1","3","1") = "4"
    & skf21("4","1","5","4","1","1","4","1") = "4"
    & skf21("4","1","5","4","1","1","5","1") = "4"
    & skf21("4","1","5","4","1","1","6","1") = "5"
    & skf21("4","1","5","4","1","1","7","1") = "6"
    & skf21("4","1","5","4","1","2","1","1") = "4"
    & skf21("4","1","5","4","1","2","2","1") = "4"
    & skf21("4","1","5","4","1","2","3","1") = "4"
    & skf21("4","1","5","4","1","2","4","1") = "4"
    & skf21("4","1","5","4","1","2","5","1") = "4"
    & skf21("4","1","5","4","1","2","6","1") = "5"
    & skf21("4","1","5","4","1","2","7","1") = "6"
    & skf21("4","1","5","4","1","3","1","1") = "4"
    & skf21("4","1","5","4","1","3","2","1") = "4"
    & skf21("4","1","5","4","1","3","3","1") = "4"
    & skf21("4","1","5","4","1","3","4","1") = "4"
    & skf21("4","1","5","4","1","3","5","1") = "4"
    & skf21("4","1","5","4","1","3","6","1") = "5"
    & skf21("4","1","5","4","1","3","7","1") = "6"
    & skf21("4","1","5","4","1","4","1","1") = "4"
    & skf21("4","1","5","4","1","4","2","1") = "4"
    & skf21("4","1","5","4","1","4","3","1") = "4"
    & skf21("4","1","5","4","1","4","4","1") = "4"
    & skf21("4","1","5","4","1","4","5","1") = "4"
    & skf21("4","1","5","4","1","4","6","1") = "5"
    & skf21("4","1","5","4","1","4","7","1") = "6"
    & skf21("4","1","5","4","1","5","1","1") = "4"
    & skf21("4","1","5","4","1","5","2","1") = "4"
    & skf21("4","1","5","4","1","5","3","1") = "4"
    & skf21("4","1","5","4","1","5","4","1") = "4"
    & skf21("4","1","5","4","1","5","5","1") = "4"
    & skf21("4","1","5","4","1","5","6","1") = "5"
    & skf21("4","1","5","4","1","5","7","1") = "6"
    & skf21("4","1","5","4","1","6","1","1") = "5"
    & skf21("4","1","5","4","1","6","2","1") = "5"
    & skf21("4","1","5","4","1","6","3","1") = "5"
    & skf21("4","1","5","4","1","6","4","1") = "5"
    & skf21("4","1","5","4","1","6","5","1") = "5"
    & skf21("4","1","5","4","1","6","6","1") = "5"
    & skf21("4","1","5","4","1","6","7","1") = "6"
    & skf21("4","1","5","4","1","7","1","1") = "6"
    & skf21("4","1","5","4","1","7","2","1") = "6"
    & skf21("4","1","5","4","1","7","3","1") = "6"
    & skf21("4","1","5","4","1","7","4","1") = "6"
    & skf21("4","1","5","4","1","7","5","1") = "6"
    & skf21("4","1","5","4","1","7","6","1") = "6"
    & skf21("4","1","5","4","1","7","7","1") = "6"
    & skf21("4","1","5","4","2","1","1","1") = "4"
    & skf21("4","1","5","4","2","1","2","1") = "4"
    & skf21("4","1","5","4","2","1","3","1") = "4"
    & skf21("4","1","5","4","2","1","4","1") = "4"
    & skf21("4","1","5","4","2","1","5","1") = "4"
    & skf21("4","1","5","4","2","1","6","1") = "5"
    & skf21("4","1","5","4","2","1","7","1") = "6"
    & skf21("4","1","5","4","2","2","1","1") = "4"
    & skf21("4","1","5","4","2","2","2","1") = "4"
    & skf21("4","1","5","4","2","2","3","1") = "4"
    & skf21("4","1","5","4","2","2","4","1") = "4"
    & skf21("4","1","5","4","2","2","5","1") = "4"
    & skf21("4","1","5","4","2","2","6","1") = "5"
    & skf21("4","1","5","4","2","2","7","1") = "6"
    & skf21("4","1","5","4","2","3","1","1") = "4"
    & skf21("4","1","5","4","2","3","2","1") = "4"
    & skf21("4","1","5","4","2","3","3","1") = "4"
    & skf21("4","1","5","4","2","3","4","1") = "4"
    & skf21("4","1","5","4","2","3","5","1") = "4"
    & skf21("4","1","5","4","2","3","6","1") = "5"
    & skf21("4","1","5","4","2","3","7","1") = "6"
    & skf21("4","1","5","4","2","4","1","1") = "4"
    & skf21("4","1","5","4","2","4","2","1") = "4"
    & skf21("4","1","5","4","2","4","3","1") = "4"
    & skf21("4","1","5","4","2","4","4","1") = "4"
    & skf21("4","1","5","4","2","4","5","1") = "4"
    & skf21("4","1","5","4","2","4","6","1") = "5"
    & skf21("4","1","5","4","2","4","7","1") = "6"
    & skf21("4","1","5","4","2","5","1","1") = "4"
    & skf21("4","1","5","4","2","5","2","1") = "4"
    & skf21("4","1","5","4","2","5","3","1") = "4"
    & skf21("4","1","5","4","2","5","4","1") = "4"
    & skf21("4","1","5","4","2","5","5","1") = "4"
    & skf21("4","1","5","4","2","5","6","1") = "5"
    & skf21("4","1","5","4","2","5","7","1") = "6"
    & skf21("4","1","5","4","2","6","1","1") = "5"
    & skf21("4","1","5","4","2","6","2","1") = "5"
    & skf21("4","1","5","4","2","6","3","1") = "5"
    & skf21("4","1","5","4","2","6","4","1") = "5"
    & skf21("4","1","5","4","2","6","5","1") = "5"
    & skf21("4","1","5","4","2","6","6","1") = "5"
    & skf21("4","1","5","4","2","6","7","1") = "6"
    & skf21("4","1","5","4","2","7","1","1") = "6"
    & skf21("4","1","5","4","2","7","2","1") = "6"
    & skf21("4","1","5","4","2","7","3","1") = "6"
    & skf21("4","1","5","4","2","7","4","1") = "6"
    & skf21("4","1","5","4","2","7","5","1") = "6"
    & skf21("4","1","5","4","2","7","6","1") = "6"
    & skf21("4","1","5","4","2","7","7","1") = "6"
    & skf21("4","1","5","4","3","1","1","1") = "4"
    & skf21("4","1","5","4","3","1","2","1") = "4"
    & skf21("4","1","5","4","3","1","3","1") = "4"
    & skf21("4","1","5","4","3","1","4","1") = "4"
    & skf21("4","1","5","4","3","1","5","1") = "4"
    & skf21("4","1","5","4","3","1","6","1") = "5"
    & skf21("4","1","5","4","3","1","7","1") = "6"
    & skf21("4","1","5","4","3","2","1","1") = "4"
    & skf21("4","1","5","4","3","2","2","1") = "4"
    & skf21("4","1","5","4","3","2","3","1") = "4"
    & skf21("4","1","5","4","3","2","4","1") = "4"
    & skf21("4","1","5","4","3","2","5","1") = "4"
    & skf21("4","1","5","4","3","2","6","1") = "5"
    & skf21("4","1","5","4","3","2","7","1") = "6"
    & skf21("4","1","5","4","3","3","1","1") = "4"
    & skf21("4","1","5","4","3","3","2","1") = "4"
    & skf21("4","1","5","4","3","3","3","1") = "4"
    & skf21("4","1","5","4","3","3","4","1") = "4"
    & skf21("4","1","5","4","3","3","5","1") = "4"
    & skf21("4","1","5","4","3","3","6","1") = "5"
    & skf21("4","1","5","4","3","3","7","1") = "6"
    & skf21("4","1","5","4","3","4","1","1") = "4"
    & skf21("4","1","5","4","3","4","2","1") = "4"
    & skf21("4","1","5","4","3","4","3","1") = "4"
    & skf21("4","1","5","4","3","4","4","1") = "4"
    & skf21("4","1","5","4","3","4","5","1") = "4"
    & skf21("4","1","5","4","3","4","6","1") = "5"
    & skf21("4","1","5","4","3","4","7","1") = "6"
    & skf21("4","1","5","4","3","5","1","1") = "4"
    & skf21("4","1","5","4","3","5","2","1") = "4"
    & skf21("4","1","5","4","3","5","3","1") = "4"
    & skf21("4","1","5","4","3","5","4","1") = "4"
    & skf21("4","1","5","4","3","5","5","1") = "4"
    & skf21("4","1","5","4","3","5","6","1") = "5"
    & skf21("4","1","5","4","3","5","7","1") = "6"
    & skf21("4","1","5","4","3","6","1","1") = "5"
    & skf21("4","1","5","4","3","6","2","1") = "5"
    & skf21("4","1","5","4","3","6","3","1") = "5"
    & skf21("4","1","5","4","3","6","4","1") = "5"
    & skf21("4","1","5","4","3","6","5","1") = "5"
    & skf21("4","1","5","4","3","6","6","1") = "5"
    & skf21("4","1","5","4","3","6","7","1") = "6"
    & skf21("4","1","5","4","3","7","1","1") = "6"
    & skf21("4","1","5","4","3","7","2","1") = "6"
    & skf21("4","1","5","4","3","7","3","1") = "6"
    & skf21("4","1","5","4","3","7","4","1") = "6"
    & skf21("4","1","5","4","3","7","5","1") = "6"
    & skf21("4","1","5","4","3","7","6","1") = "6"
    & skf21("4","1","5","4","3","7","7","1") = "6"
    & skf21("4","1","5","4","4","1","1","1") = "4"
    & skf21("4","1","5","4","4","1","2","1") = "4"
    & skf21("4","1","5","4","4","1","3","1") = "4"
    & skf21("4","1","5","4","4","1","4","1") = "4"
    & skf21("4","1","5","4","4","1","5","1") = "4"
    & skf21("4","1","5","4","4","1","6","1") = "5"
    & skf21("4","1","5","4","4","1","7","1") = "6"
    & skf21("4","1","5","4","4","2","1","1") = "4"
    & skf21("4","1","5","4","4","2","2","1") = "4"
    & skf21("4","1","5","4","4","2","3","1") = "4"
    & skf21("4","1","5","4","4","2","4","1") = "4"
    & skf21("4","1","5","4","4","2","5","1") = "4"
    & skf21("4","1","5","4","4","2","6","1") = "5"
    & skf21("4","1","5","4","4","2","7","1") = "6"
    & skf21("4","1","5","4","4","3","1","1") = "4"
    & skf21("4","1","5","4","4","3","2","1") = "4"
    & skf21("4","1","5","4","4","3","3","1") = "4"
    & skf21("4","1","5","4","4","3","4","1") = "4"
    & skf21("4","1","5","4","4","3","5","1") = "4"
    & skf21("4","1","5","4","4","3","6","1") = "5"
    & skf21("4","1","5","4","4","3","7","1") = "6"
    & skf21("4","1","5","4","4","4","1","1") = "4"
    & skf21("4","1","5","4","4","4","2","1") = "4"
    & skf21("4","1","5","4","4","4","3","1") = "4"
    & skf21("4","1","5","4","4","4","4","1") = "4"
    & skf21("4","1","5","4","4","4","5","1") = "4"
    & skf21("4","1","5","4","4","4","6","1") = "5"
    & skf21("4","1","5","4","4","4","7","1") = "6"
    & skf21("4","1","5","4","4","5","1","1") = "4"
    & skf21("4","1","5","4","4","5","2","1") = "4"
    & skf21("4","1","5","4","4","5","3","1") = "4"
    & skf21("4","1","5","4","4","5","4","1") = "4"
    & skf21("4","1","5","4","4","5","5","1") = "4"
    & skf21("4","1","5","4","4","5","6","1") = "5"
    & skf21("4","1","5","4","4","5","7","1") = "6"
    & skf21("4","1","5","4","4","6","1","1") = "5"
    & skf21("4","1","5","4","4","6","2","1") = "5"
    & skf21("4","1","5","4","4","6","3","1") = "5"
    & skf21("4","1","5","4","4","6","4","1") = "5"
    & skf21("4","1","5","4","4","6","5","1") = "5"
    & skf21("4","1","5","4","4","6","6","1") = "5"
    & skf21("4","1","5","4","4","6","7","1") = "6"
    & skf21("4","1","5","4","4","7","1","1") = "6"
    & skf21("4","1","5","4","4","7","2","1") = "6"
    & skf21("4","1","5","4","4","7","3","1") = "6"
    & skf21("4","1","5","4","4","7","4","1") = "6"
    & skf21("4","1","5","4","4","7","5","1") = "6"
    & skf21("4","1","5","4","4","7","6","1") = "6"
    & skf21("4","1","5","4","4","7","7","1") = "6"
    & skf21("4","1","5","4","5","1","1","1") = "4"
    & skf21("4","1","5","4","5","1","2","1") = "4"
    & skf21("4","1","5","4","5","1","3","1") = "4"
    & skf21("4","1","5","4","5","1","4","1") = "4"
    & skf21("4","1","5","4","5","1","5","1") = "4"
    & skf21("4","1","5","4","5","1","6","1") = "5"
    & skf21("4","1","5","4","5","1","7","1") = "6"
    & skf21("4","1","5","4","5","2","1","1") = "4"
    & skf21("4","1","5","4","5","2","2","1") = "4"
    & skf21("4","1","5","4","5","2","3","1") = "4"
    & skf21("4","1","5","4","5","2","4","1") = "4"
    & skf21("4","1","5","4","5","2","5","1") = "4"
    & skf21("4","1","5","4","5","2","6","1") = "5"
    & skf21("4","1","5","4","5","2","7","1") = "6"
    & skf21("4","1","5","4","5","3","1","1") = "4"
    & skf21("4","1","5","4","5","3","2","1") = "4"
    & skf21("4","1","5","4","5","3","3","1") = "4"
    & skf21("4","1","5","4","5","3","4","1") = "4"
    & skf21("4","1","5","4","5","3","5","1") = "4"
    & skf21("4","1","5","4","5","3","6","1") = "5"
    & skf21("4","1","5","4","5","3","7","1") = "6"
    & skf21("4","1","5","4","5","4","1","1") = "4"
    & skf21("4","1","5","4","5","4","2","1") = "4"
    & skf21("4","1","5","4","5","4","3","1") = "4"
    & skf21("4","1","5","4","5","4","4","1") = "4"
    & skf21("4","1","5","4","5","4","5","1") = "4"
    & skf21("4","1","5","4","5","4","6","1") = "5"
    & skf21("4","1","5","4","5","4","7","1") = "6"
    & skf21("4","1","5","4","5","5","1","1") = "4"
    & skf21("4","1","5","4","5","5","2","1") = "4"
    & skf21("4","1","5","4","5","5","3","1") = "4"
    & skf21("4","1","5","4","5","5","4","1") = "4"
    & skf21("4","1","5","4","5","5","5","1") = "4"
    & skf21("4","1","5","4","5","5","6","1") = "5"
    & skf21("4","1","5","4","5","5","7","1") = "6"
    & skf21("4","1","5","4","5","6","1","1") = "5"
    & skf21("4","1","5","4","5","6","2","1") = "5"
    & skf21("4","1","5","4","5","6","3","1") = "5"
    & skf21("4","1","5","4","5","6","4","1") = "5"
    & skf21("4","1","5","4","5","6","5","1") = "5"
    & skf21("4","1","5","4","5","6","6","1") = "5"
    & skf21("4","1","5","4","5","6","7","1") = "6"
    & skf21("4","1","5","4","5","7","1","1") = "6"
    & skf21("4","1","5","4","5","7","2","1") = "6"
    & skf21("4","1","5","4","5","7","3","1") = "6"
    & skf21("4","1","5","4","5","7","4","1") = "6"
    & skf21("4","1","5","4","5","7","5","1") = "6"
    & skf21("4","1","5","4","5","7","6","1") = "6"
    & skf21("4","1","5","4","5","7","7","1") = "6"
    & skf21("4","1","5","4","6","1","1","1") = "5"
    & skf21("4","1","5","4","6","1","2","1") = "5"
    & skf21("4","1","5","4","6","1","3","1") = "5"
    & skf21("4","1","5","4","6","1","4","1") = "5"
    & skf21("4","1","5","4","6","1","5","1") = "5"
    & skf21("4","1","5","4","6","1","6","1") = "5"
    & skf21("4","1","5","4","6","1","7","1") = "6"
    & skf21("4","1","5","4","6","2","1","1") = "5"
    & skf21("4","1","5","4","6","2","2","1") = "5"
    & skf21("4","1","5","4","6","2","3","1") = "5"
    & skf21("4","1","5","4","6","2","4","1") = "5"
    & skf21("4","1","5","4","6","2","5","1") = "5"
    & skf21("4","1","5","4","6","2","6","1") = "5"
    & skf21("4","1","5","4","6","2","7","1") = "6"
    & skf21("4","1","5","4","6","3","1","1") = "5"
    & skf21("4","1","5","4","6","3","2","1") = "5"
    & skf21("4","1","5","4","6","3","3","1") = "5"
    & skf21("4","1","5","4","6","3","4","1") = "5"
    & skf21("4","1","5","4","6","3","5","1") = "5"
    & skf21("4","1","5","4","6","3","6","1") = "5"
    & skf21("4","1","5","4","6","3","7","1") = "6"
    & skf21("4","1","5","4","6","4","1","1") = "5"
    & skf21("4","1","5","4","6","4","2","1") = "5"
    & skf21("4","1","5","4","6","4","3","1") = "5"
    & skf21("4","1","5","4","6","4","4","1") = "5"
    & skf21("4","1","5","4","6","4","5","1") = "5"
    & skf21("4","1","5","4","6","4","6","1") = "5"
    & skf21("4","1","5","4","6","4","7","1") = "6"
    & skf21("4","1","5","4","6","5","1","1") = "5"
    & skf21("4","1","5","4","6","5","2","1") = "5"
    & skf21("4","1","5","4","6","5","3","1") = "5"
    & skf21("4","1","5","4","6","5","4","1") = "5"
    & skf21("4","1","5","4","6","5","5","1") = "5"
    & skf21("4","1","5","4","6","5","6","1") = "5"
    & skf21("4","1","5","4","6","5","7","1") = "6"
    & skf21("4","1","5","4","6","6","1","1") = "5"
    & skf21("4","1","5","4","6","6","2","1") = "5"
    & skf21("4","1","5","4","6","6","3","1") = "5"
    & skf21("4","1","5","4","6","6","4","1") = "5"
    & skf21("4","1","5","4","6","6","5","1") = "5"
    & skf21("4","1","5","4","6","6","6","1") = "5"
    & skf21("4","1","5","4","6","6","7","1") = "6"
    & skf21("4","1","5","4","6","7","1","1") = "6"
    & skf21("4","1","5","4","6","7","2","1") = "6"
    & skf21("4","1","5","4","6","7","3","1") = "6"
    & skf21("4","1","5","4","6","7","4","1") = "6"
    & skf21("4","1","5","4","6","7","5","1") = "6"
    & skf21("4","1","5","4","6","7","6","1") = "6"
    & skf21("4","1","5","4","6","7","7","1") = "6"
    & skf21("4","1","5","4","7","1","1","1") = "6"
    & skf21("4","1","5","4","7","1","2","1") = "6"
    & skf21("4","1","5","4","7","1","3","1") = "6"
    & skf21("4","1","5","4","7","1","4","1") = "6"
    & skf21("4","1","5","4","7","1","5","1") = "6"
    & skf21("4","1","5","4","7","1","6","1") = "6"
    & skf21("4","1","5","4","7","1","7","1") = "6"
    & skf21("4","1","5","4","7","2","1","1") = "6"
    & skf21("4","1","5","4","7","2","2","1") = "6"
    & skf21("4","1","5","4","7","2","3","1") = "6"
    & skf21("4","1","5","4","7","2","4","1") = "6"
    & skf21("4","1","5","4","7","2","5","1") = "6"
    & skf21("4","1","5","4","7","2","6","1") = "6"
    & skf21("4","1","5","4","7","2","7","1") = "6"
    & skf21("4","1","5","4","7","3","1","1") = "6"
    & skf21("4","1","5","4","7","3","2","1") = "6"
    & skf21("4","1","5","4","7","3","3","1") = "6"
    & skf21("4","1","5","4","7","3","4","1") = "6"
    & skf21("4","1","5","4","7","3","5","1") = "6"
    & skf21("4","1","5","4","7","3","6","1") = "6"
    & skf21("4","1","5","4","7","3","7","1") = "6"
    & skf21("4","1","5","4","7","4","1","1") = "6"
    & skf21("4","1","5","4","7","4","2","1") = "6"
    & skf21("4","1","5","4","7","4","3","1") = "6"
    & skf21("4","1","5","4","7","4","4","1") = "6"
    & skf21("4","1","5","4","7","4","5","1") = "6"
    & skf21("4","1","5","4","7","4","6","1") = "6"
    & skf21("4","1","5","4","7","4","7","1") = "6"
    & skf21("4","1","5","4","7","5","1","1") = "6"
    & skf21("4","1","5","4","7","5","2","1") = "6"
    & skf21("4","1","5","4","7","5","3","1") = "6"
    & skf21("4","1","5","4","7","5","4","1") = "6"
    & skf21("4","1","5","4","7","5","5","1") = "6"
    & skf21("4","1","5","4","7","5","6","1") = "6"
    & skf21("4","1","5","4","7","5","7","1") = "6"
    & skf21("4","1","5","4","7","6","1","1") = "6"
    & skf21("4","1","5","4","7","6","2","1") = "6"
    & skf21("4","1","5","4","7","6","3","1") = "6"
    & skf21("4","1","5","4","7","6","4","1") = "6"
    & skf21("4","1","5","4","7","6","5","1") = "6"
    & skf21("4","1","5","4","7","6","6","1") = "6"
    & skf21("4","1","5","4","7","6","7","1") = "6"
    & skf21("4","1","5","4","7","7","1","1") = "6"
    & skf21("4","1","5","4","7","7","2","1") = "6"
    & skf21("4","1","5","4","7","7","3","1") = "6"
    & skf21("4","1","5","4","7","7","4","1") = "6"
    & skf21("4","1","5","4","7","7","5","1") = "6"
    & skf21("4","1","5","4","7","7","6","1") = "6"
    & skf21("4","1","5","4","7","7","7","1") = "6"
    & skf21("4","1","5","5","1","1","1","1") = "4"
    & skf21("4","1","5","5","1","1","2","1") = "4"
    & skf21("4","1","5","5","1","1","3","1") = "4"
    & skf21("4","1","5","5","1","1","4","1") = "4"
    & skf21("4","1","5","5","1","1","5","1") = "4"
    & skf21("4","1","5","5","1","1","6","1") = "5"
    & skf21("4","1","5","5","1","1","7","1") = "6"
    & skf21("4","1","5","5","1","2","1","1") = "4"
    & skf21("4","1","5","5","1","2","2","1") = "4"
    & skf21("4","1","5","5","1","2","3","1") = "4"
    & skf21("4","1","5","5","1","2","4","1") = "4"
    & skf21("4","1","5","5","1","2","5","1") = "4"
    & skf21("4","1","5","5","1","2","6","1") = "5"
    & skf21("4","1","5","5","1","2","7","1") = "6"
    & skf21("4","1","5","5","1","3","1","1") = "4"
    & skf21("4","1","5","5","1","3","2","1") = "4"
    & skf21("4","1","5","5","1","3","3","1") = "4"
    & skf21("4","1","5","5","1","3","4","1") = "4"
    & skf21("4","1","5","5","1","3","5","1") = "4"
    & skf21("4","1","5","5","1","3","6","1") = "5"
    & skf21("4","1","5","5","1","3","7","1") = "6"
    & skf21("4","1","5","5","1","4","1","1") = "4"
    & skf21("4","1","5","5","1","4","2","1") = "4"
    & skf21("4","1","5","5","1","4","3","1") = "4"
    & skf21("4","1","5","5","1","4","4","1") = "4"
    & skf21("4","1","5","5","1","4","5","1") = "4"
    & skf21("4","1","5","5","1","4","6","1") = "5"
    & skf21("4","1","5","5","1","4","7","1") = "6"
    & skf21("4","1","5","5","1","5","1","1") = "4"
    & skf21("4","1","5","5","1","5","2","1") = "4"
    & skf21("4","1","5","5","1","5","3","1") = "4"
    & skf21("4","1","5","5","1","5","4","1") = "4"
    & skf21("4","1","5","5","1","5","5","1") = "4"
    & skf21("4","1","5","5","1","5","6","1") = "5"
    & skf21("4","1","5","5","1","5","7","1") = "6"
    & skf21("4","1","5","5","1","6","1","1") = "5"
    & skf21("4","1","5","5","1","6","2","1") = "5"
    & skf21("4","1","5","5","1","6","3","1") = "5"
    & skf21("4","1","5","5","1","6","4","1") = "5"
    & skf21("4","1","5","5","1","6","5","1") = "5"
    & skf21("4","1","5","5","1","6","6","1") = "5"
    & skf21("4","1","5","5","1","6","7","1") = "6"
    & skf21("4","1","5","5","1","7","1","1") = "6"
    & skf21("4","1","5","5","1","7","2","1") = "6"
    & skf21("4","1","5","5","1","7","3","1") = "6"
    & skf21("4","1","5","5","1","7","4","1") = "6"
    & skf21("4","1","5","5","1","7","5","1") = "6"
    & skf21("4","1","5","5","1","7","6","1") = "6"
    & skf21("4","1","5","5","1","7","7","1") = "6"
    & skf21("4","1","5","5","2","1","1","1") = "4"
    & skf21("4","1","5","5","2","1","2","1") = "4"
    & skf21("4","1","5","5","2","1","3","1") = "4"
    & skf21("4","1","5","5","2","1","4","1") = "4"
    & skf21("4","1","5","5","2","1","5","1") = "4"
    & skf21("4","1","5","5","2","1","6","1") = "5"
    & skf21("4","1","5","5","2","1","7","1") = "6"
    & skf21("4","1","5","5","2","2","1","1") = "4"
    & skf21("4","1","5","5","2","2","2","1") = "4"
    & skf21("4","1","5","5","2","2","3","1") = "4"
    & skf21("4","1","5","5","2","2","4","1") = "4"
    & skf21("4","1","5","5","2","2","5","1") = "4"
    & skf21("4","1","5","5","2","2","6","1") = "5"
    & skf21("4","1","5","5","2","2","7","1") = "6"
    & skf21("4","1","5","5","2","3","1","1") = "4"
    & skf21("4","1","5","5","2","3","2","1") = "4"
    & skf21("4","1","5","5","2","3","3","1") = "4"
    & skf21("4","1","5","5","2","3","4","1") = "4"
    & skf21("4","1","5","5","2","3","5","1") = "4"
    & skf21("4","1","5","5","2","3","6","1") = "5"
    & skf21("4","1","5","5","2","3","7","1") = "6"
    & skf21("4","1","5","5","2","4","1","1") = "4"
    & skf21("4","1","5","5","2","4","2","1") = "4"
    & skf21("4","1","5","5","2","4","3","1") = "4"
    & skf21("4","1","5","5","2","4","4","1") = "4"
    & skf21("4","1","5","5","2","4","5","1") = "4"
    & skf21("4","1","5","5","2","4","6","1") = "5"
    & skf21("4","1","5","5","2","4","7","1") = "6"
    & skf21("4","1","5","5","2","5","1","1") = "4"
    & skf21("4","1","5","5","2","5","2","1") = "4"
    & skf21("4","1","5","5","2","5","3","1") = "4"
    & skf21("4","1","5","5","2","5","4","1") = "4"
    & skf21("4","1","5","5","2","5","5","1") = "4"
    & skf21("4","1","5","5","2","5","6","1") = "5"
    & skf21("4","1","5","5","2","5","7","1") = "6"
    & skf21("4","1","5","5","2","6","1","1") = "5"
    & skf21("4","1","5","5","2","6","2","1") = "5"
    & skf21("4","1","5","5","2","6","3","1") = "5"
    & skf21("4","1","5","5","2","6","4","1") = "5"
    & skf21("4","1","5","5","2","6","5","1") = "5"
    & skf21("4","1","5","5","2","6","6","1") = "5"
    & skf21("4","1","5","5","2","6","7","1") = "6"
    & skf21("4","1","5","5","2","7","1","1") = "6"
    & skf21("4","1","5","5","2","7","2","1") = "6"
    & skf21("4","1","5","5","2","7","3","1") = "6"
    & skf21("4","1","5","5","2","7","4","1") = "6"
    & skf21("4","1","5","5","2","7","5","1") = "6"
    & skf21("4","1","5","5","2","7","6","1") = "6"
    & skf21("4","1","5","5","2","7","7","1") = "6"
    & skf21("4","1","5","5","3","1","1","1") = "4"
    & skf21("4","1","5","5","3","1","2","1") = "4"
    & skf21("4","1","5","5","3","1","3","1") = "4"
    & skf21("4","1","5","5","3","1","4","1") = "4"
    & skf21("4","1","5","5","3","1","5","1") = "4"
    & skf21("4","1","5","5","3","1","6","1") = "5"
    & skf21("4","1","5","5","3","1","7","1") = "6"
    & skf21("4","1","5","5","3","2","1","1") = "4"
    & skf21("4","1","5","5","3","2","2","1") = "4"
    & skf21("4","1","5","5","3","2","3","1") = "4"
    & skf21("4","1","5","5","3","2","4","1") = "4"
    & skf21("4","1","5","5","3","2","5","1") = "4"
    & skf21("4","1","5","5","3","2","6","1") = "5"
    & skf21("4","1","5","5","3","2","7","1") = "6"
    & skf21("4","1","5","5","3","3","1","1") = "4"
    & skf21("4","1","5","5","3","3","2","1") = "4"
    & skf21("4","1","5","5","3","3","3","1") = "4"
    & skf21("4","1","5","5","3","3","4","1") = "4"
    & skf21("4","1","5","5","3","3","5","1") = "4"
    & skf21("4","1","5","5","3","3","6","1") = "5"
    & skf21("4","1","5","5","3","3","7","1") = "6"
    & skf21("4","1","5","5","3","4","1","1") = "4"
    & skf21("4","1","5","5","3","4","2","1") = "4"
    & skf21("4","1","5","5","3","4","3","1") = "4"
    & skf21("4","1","5","5","3","4","4","1") = "4"
    & skf21("4","1","5","5","3","4","5","1") = "4"
    & skf21("4","1","5","5","3","4","6","1") = "5"
    & skf21("4","1","5","5","3","4","7","1") = "6"
    & skf21("4","1","5","5","3","5","1","1") = "4"
    & skf21("4","1","5","5","3","5","2","1") = "4"
    & skf21("4","1","5","5","3","5","3","1") = "4"
    & skf21("4","1","5","5","3","5","4","1") = "4"
    & skf21("4","1","5","5","3","5","5","1") = "4"
    & skf21("4","1","5","5","3","5","6","1") = "5"
    & skf21("4","1","5","5","3","5","7","1") = "6"
    & skf21("4","1","5","5","3","6","1","1") = "5"
    & skf21("4","1","5","5","3","6","2","1") = "5"
    & skf21("4","1","5","5","3","6","3","1") = "5"
    & skf21("4","1","5","5","3","6","4","1") = "5"
    & skf21("4","1","5","5","3","6","5","1") = "5"
    & skf21("4","1","5","5","3","6","6","1") = "5"
    & skf21("4","1","5","5","3","6","7","1") = "6"
    & skf21("4","1","5","5","3","7","1","1") = "6"
    & skf21("4","1","5","5","3","7","2","1") = "6"
    & skf21("4","1","5","5","3","7","3","1") = "6"
    & skf21("4","1","5","5","3","7","4","1") = "6"
    & skf21("4","1","5","5","3","7","5","1") = "6"
    & skf21("4","1","5","5","3","7","6","1") = "6"
    & skf21("4","1","5","5","3","7","7","1") = "6"
    & skf21("4","1","5","5","4","1","1","1") = "4"
    & skf21("4","1","5","5","4","1","2","1") = "4"
    & skf21("4","1","5","5","4","1","3","1") = "4"
    & skf21("4","1","5","5","4","1","4","1") = "4"
    & skf21("4","1","5","5","4","1","5","1") = "4"
    & skf21("4","1","5","5","4","1","6","1") = "5"
    & skf21("4","1","5","5","4","1","7","1") = "6"
    & skf21("4","1","5","5","4","2","1","1") = "4"
    & skf21("4","1","5","5","4","2","2","1") = "4"
    & skf21("4","1","5","5","4","2","3","1") = "4"
    & skf21("4","1","5","5","4","2","4","1") = "4"
    & skf21("4","1","5","5","4","2","5","1") = "4"
    & skf21("4","1","5","5","4","2","6","1") = "5"
    & skf21("4","1","5","5","4","2","7","1") = "6"
    & skf21("4","1","5","5","4","3","1","1") = "4"
    & skf21("4","1","5","5","4","3","2","1") = "4"
    & skf21("4","1","5","5","4","3","3","1") = "4"
    & skf21("4","1","5","5","4","3","4","1") = "4"
    & skf21("4","1","5","5","4","3","5","1") = "4"
    & skf21("4","1","5","5","4","3","6","1") = "5"
    & skf21("4","1","5","5","4","3","7","1") = "6"
    & skf21("4","1","5","5","4","4","1","1") = "4"
    & skf21("4","1","5","5","4","4","2","1") = "4"
    & skf21("4","1","5","5","4","4","3","1") = "4"
    & skf21("4","1","5","5","4","4","4","1") = "4"
    & skf21("4","1","5","5","4","4","5","1") = "4"
    & skf21("4","1","5","5","4","4","6","1") = "5"
    & skf21("4","1","5","5","4","4","7","1") = "6"
    & skf21("4","1","5","5","4","5","1","1") = "4"
    & skf21("4","1","5","5","4","5","2","1") = "4"
    & skf21("4","1","5","5","4","5","3","1") = "4"
    & skf21("4","1","5","5","4","5","4","1") = "4"
    & skf21("4","1","5","5","4","5","5","1") = "4"
    & skf21("4","1","5","5","4","5","6","1") = "5"
    & skf21("4","1","5","5","4","5","7","1") = "6"
    & skf21("4","1","5","5","4","6","1","1") = "5"
    & skf21("4","1","5","5","4","6","2","1") = "5"
    & skf21("4","1","5","5","4","6","3","1") = "5"
    & skf21("4","1","5","5","4","6","4","1") = "5"
    & skf21("4","1","5","5","4","6","5","1") = "5"
    & skf21("4","1","5","5","4","6","6","1") = "5"
    & skf21("4","1","5","5","4","6","7","1") = "6"
    & skf21("4","1","5","5","4","7","1","1") = "6"
    & skf21("4","1","5","5","4","7","2","1") = "6"
    & skf21("4","1","5","5","4","7","3","1") = "6"
    & skf21("4","1","5","5","4","7","4","1") = "6"
    & skf21("4","1","5","5","4","7","5","1") = "6"
    & skf21("4","1","5","5","4","7","6","1") = "6"
    & skf21("4","1","5","5","4","7","7","1") = "6"
    & skf21("4","1","5","5","5","1","1","1") = "4"
    & skf21("4","1","5","5","5","1","2","1") = "4"
    & skf21("4","1","5","5","5","1","3","1") = "4"
    & skf21("4","1","5","5","5","1","4","1") = "4"
    & skf21("4","1","5","5","5","1","5","1") = "4"
    & skf21("4","1","5","5","5","1","6","1") = "5"
    & skf21("4","1","5","5","5","1","7","1") = "6"
    & skf21("4","1","5","5","5","2","1","1") = "4"
    & skf21("4","1","5","5","5","2","2","1") = "4"
    & skf21("4","1","5","5","5","2","3","1") = "4"
    & skf21("4","1","5","5","5","2","4","1") = "4"
    & skf21("4","1","5","5","5","2","5","1") = "4"
    & skf21("4","1","5","5","5","2","6","1") = "5"
    & skf21("4","1","5","5","5","2","7","1") = "6"
    & skf21("4","1","5","5","5","3","1","1") = "4"
    & skf21("4","1","5","5","5","3","2","1") = "4"
    & skf21("4","1","5","5","5","3","3","1") = "4"
    & skf21("4","1","5","5","5","3","4","1") = "4"
    & skf21("4","1","5","5","5","3","5","1") = "4"
    & skf21("4","1","5","5","5","3","6","1") = "5"
    & skf21("4","1","5","5","5","3","7","1") = "6"
    & skf21("4","1","5","5","5","4","1","1") = "4"
    & skf21("4","1","5","5","5","4","2","1") = "4"
    & skf21("4","1","5","5","5","4","3","1") = "4"
    & skf21("4","1","5","5","5","4","4","1") = "4"
    & skf21("4","1","5","5","5","4","5","1") = "4"
    & skf21("4","1","5","5","5","4","6","1") = "5"
    & skf21("4","1","5","5","5","4","7","1") = "6"
    & skf21("4","1","5","5","5","5","1","1") = "4"
    & skf21("4","1","5","5","5","5","2","1") = "4"
    & skf21("4","1","5","5","5","5","3","1") = "4"
    & skf21("4","1","5","5","5","5","4","1") = "4"
    & skf21("4","1","5","5","5","5","5","1") = "4"
    & skf21("4","1","5","5","5","5","6","1") = "5"
    & skf21("4","1","5","5","5","5","7","1") = "6"
    & skf21("4","1","5","5","5","6","1","1") = "5"
    & skf21("4","1","5","5","5","6","2","1") = "5"
    & skf21("4","1","5","5","5","6","3","1") = "5"
    & skf21("4","1","5","5","5","6","4","1") = "5"
    & skf21("4","1","5","5","5","6","5","1") = "5"
    & skf21("4","1","5","5","5","6","6","1") = "5"
    & skf21("4","1","5","5","5","6","7","1") = "6"
    & skf21("4","1","5","5","5","7","1","1") = "6"
    & skf21("4","1","5","5","5","7","2","1") = "6"
    & skf21("4","1","5","5","5","7","3","1") = "6"
    & skf21("4","1","5","5","5","7","4","1") = "6"
    & skf21("4","1","5","5","5","7","5","1") = "6"
    & skf21("4","1","5","5","5","7","6","1") = "6"
    & skf21("4","1","5","5","5","7","7","1") = "6"
    & skf21("4","1","5","5","6","1","1","1") = "5"
    & skf21("4","1","5","5","6","1","2","1") = "5"
    & skf21("4","1","5","5","6","1","3","1") = "5"
    & skf21("4","1","5","5","6","1","4","1") = "5"
    & skf21("4","1","5","5","6","1","5","1") = "5"
    & skf21("4","1","5","5","6","1","6","1") = "5"
    & skf21("4","1","5","5","6","1","7","1") = "6"
    & skf21("4","1","5","5","6","2","1","1") = "5"
    & skf21("4","1","5","5","6","2","2","1") = "5"
    & skf21("4","1","5","5","6","2","3","1") = "5"
    & skf21("4","1","5","5","6","2","4","1") = "5"
    & skf21("4","1","5","5","6","2","5","1") = "5"
    & skf21("4","1","5","5","6","2","6","1") = "5"
    & skf21("4","1","5","5","6","2","7","1") = "6"
    & skf21("4","1","5","5","6","3","1","1") = "5"
    & skf21("4","1","5","5","6","3","2","1") = "5"
    & skf21("4","1","5","5","6","3","3","1") = "5"
    & skf21("4","1","5","5","6","3","4","1") = "5"
    & skf21("4","1","5","5","6","3","5","1") = "5"
    & skf21("4","1","5","5","6","3","6","1") = "5"
    & skf21("4","1","5","5","6","3","7","1") = "6"
    & skf21("4","1","5","5","6","4","1","1") = "5"
    & skf21("4","1","5","5","6","4","2","1") = "5"
    & skf21("4","1","5","5","6","4","3","1") = "5"
    & skf21("4","1","5","5","6","4","4","1") = "5"
    & skf21("4","1","5","5","6","4","5","1") = "5"
    & skf21("4","1","5","5","6","4","6","1") = "5"
    & skf21("4","1","5","5","6","4","7","1") = "6"
    & skf21("4","1","5","5","6","5","1","1") = "5"
    & skf21("4","1","5","5","6","5","2","1") = "5"
    & skf21("4","1","5","5","6","5","3","1") = "5"
    & skf21("4","1","5","5","6","5","4","1") = "5"
    & skf21("4","1","5","5","6","5","5","1") = "5"
    & skf21("4","1","5","5","6","5","6","1") = "5"
    & skf21("4","1","5","5","6","5","7","1") = "6"
    & skf21("4","1","5","5","6","6","1","1") = "5"
    & skf21("4","1","5","5","6","6","2","1") = "5"
    & skf21("4","1","5","5","6","6","3","1") = "5"
    & skf21("4","1","5","5","6","6","4","1") = "5"
    & skf21("4","1","5","5","6","6","5","1") = "5"
    & skf21("4","1","5","5","6","6","6","1") = "5"
    & skf21("4","1","5","5","6","6","7","1") = "6"
    & skf21("4","1","5","5","6","7","1","1") = "6"
    & skf21("4","1","5","5","6","7","2","1") = "6"
    & skf21("4","1","5","5","6","7","3","1") = "6"
    & skf21("4","1","5","5","6","7","4","1") = "6"
    & skf21("4","1","5","5","6","7","5","1") = "6"
    & skf21("4","1","5","5","6","7","6","1") = "6"
    & skf21("4","1","5","5","6","7","7","1") = "6"
    & skf21("4","1","5","5","7","1","1","1") = "6"
    & skf21("4","1","5","5","7","1","2","1") = "6"
    & skf21("4","1","5","5","7","1","3","1") = "6"
    & skf21("4","1","5","5","7","1","4","1") = "6"
    & skf21("4","1","5","5","7","1","5","1") = "6"
    & skf21("4","1","5","5","7","1","6","1") = "6"
    & skf21("4","1","5","5","7","1","7","1") = "6"
    & skf21("4","1","5","5","7","2","1","1") = "6"
    & skf21("4","1","5","5","7","2","2","1") = "6"
    & skf21("4","1","5","5","7","2","3","1") = "6"
    & skf21("4","1","5","5","7","2","4","1") = "6"
    & skf21("4","1","5","5","7","2","5","1") = "6"
    & skf21("4","1","5","5","7","2","6","1") = "6"
    & skf21("4","1","5","5","7","2","7","1") = "6"
    & skf21("4","1","5","5","7","3","1","1") = "6"
    & skf21("4","1","5","5","7","3","2","1") = "6"
    & skf21("4","1","5","5","7","3","3","1") = "6"
    & skf21("4","1","5","5","7","3","4","1") = "6"
    & skf21("4","1","5","5","7","3","5","1") = "6"
    & skf21("4","1","5","5","7","3","6","1") = "6"
    & skf21("4","1","5","5","7","3","7","1") = "6"
    & skf21("4","1","5","5","7","4","1","1") = "6"
    & skf21("4","1","5","5","7","4","2","1") = "6"
    & skf21("4","1","5","5","7","4","3","1") = "6"
    & skf21("4","1","5","5","7","4","4","1") = "6"
    & skf21("4","1","5","5","7","4","5","1") = "6"
    & skf21("4","1","5","5","7","4","6","1") = "6"
    & skf21("4","1","5","5","7","4","7","1") = "6"
    & skf21("4","1","5","5","7","5","1","1") = "6"
    & skf21("4","1","5","5","7","5","2","1") = "6"
    & skf21("4","1","5","5","7","5","3","1") = "6"
    & skf21("4","1","5","5","7","5","4","1") = "6"
    & skf21("4","1","5","5","7","5","5","1") = "6"
    & skf21("4","1","5","5","7","5","6","1") = "6"
    & skf21("4","1","5","5","7","5","7","1") = "6"
    & skf21("4","1","5","5","7","6","1","1") = "6"
    & skf21("4","1","5","5","7","6","2","1") = "6"
    & skf21("4","1","5","5","7","6","3","1") = "6"
    & skf21("4","1","5","5","7","6","4","1") = "6"
    & skf21("4","1","5","5","7","6","5","1") = "6"
    & skf21("4","1","5","5","7","6","6","1") = "6"
    & skf21("4","1","5","5","7","6","7","1") = "6"
    & skf21("4","1","5","5","7","7","1","1") = "6"
    & skf21("4","1","5","5","7","7","2","1") = "6"
    & skf21("4","1","5","5","7","7","3","1") = "6"
    & skf21("4","1","5","5","7","7","4","1") = "6"
    & skf21("4","1","5","5","7","7","5","1") = "6"
    & skf21("4","1","5","5","7","7","6","1") = "6"
    & skf21("4","1","5","5","7","7","7","1") = "6"
    & skf21("4","1","5","6","1","1","1","1") = "5"
    & skf21("4","1","5","6","1","1","2","1") = "5"
    & skf21("4","1","5","6","1","1","3","1") = "5"
    & skf21("4","1","5","6","1","1","4","1") = "5"
    & skf21("4","1","5","6","1","1","5","1") = "5"
    & skf21("4","1","5","6","1","1","6","1") = "5"
    & skf21("4","1","5","6","1","1","7","1") = "6"
    & skf21("4","1","5","6","1","2","1","1") = "5"
    & skf21("4","1","5","6","1","2","2","1") = "5"
    & skf21("4","1","5","6","1","2","3","1") = "5"
    & skf21("4","1","5","6","1","2","4","1") = "5"
    & skf21("4","1","5","6","1","2","5","1") = "5"
    & skf21("4","1","5","6","1","2","6","1") = "5"
    & skf21("4","1","5","6","1","2","7","1") = "6"
    & skf21("4","1","5","6","1","3","1","1") = "5"
    & skf21("4","1","5","6","1","3","2","1") = "5"
    & skf21("4","1","5","6","1","3","3","1") = "5"
    & skf21("4","1","5","6","1","3","4","1") = "5"
    & skf21("4","1","5","6","1","3","5","1") = "5"
    & skf21("4","1","5","6","1","3","6","1") = "5"
    & skf21("4","1","5","6","1","3","7","1") = "6"
    & skf21("4","1","5","6","1","4","1","1") = "5"
    & skf21("4","1","5","6","1","4","2","1") = "5"
    & skf21("4","1","5","6","1","4","3","1") = "5"
    & skf21("4","1","5","6","1","4","4","1") = "5"
    & skf21("4","1","5","6","1","4","5","1") = "5"
    & skf21("4","1","5","6","1","4","6","1") = "5"
    & skf21("4","1","5","6","1","4","7","1") = "6"
    & skf21("4","1","5","6","1","5","1","1") = "5"
    & skf21("4","1","5","6","1","5","2","1") = "5"
    & skf21("4","1","5","6","1","5","3","1") = "5"
    & skf21("4","1","5","6","1","5","4","1") = "5"
    & skf21("4","1","5","6","1","5","5","1") = "5"
    & skf21("4","1","5","6","1","5","6","1") = "5"
    & skf21("4","1","5","6","1","5","7","1") = "6"
    & skf21("4","1","5","6","1","6","1","1") = "5"
    & skf21("4","1","5","6","1","6","2","1") = "5"
    & skf21("4","1","5","6","1","6","3","1") = "5"
    & skf21("4","1","5","6","1","6","4","1") = "5"
    & skf21("4","1","5","6","1","6","5","1") = "5"
    & skf21("4","1","5","6","1","6","6","1") = "5"
    & skf21("4","1","5","6","1","6","7","1") = "6"
    & skf21("4","1","5","6","1","7","1","1") = "6"
    & skf21("4","1","5","6","1","7","2","1") = "6"
    & skf21("4","1","5","6","1","7","3","1") = "6"
    & skf21("4","1","5","6","1","7","4","1") = "6"
    & skf21("4","1","5","6","1","7","5","1") = "6"
    & skf21("4","1","5","6","1","7","6","1") = "6"
    & skf21("4","1","5","6","1","7","7","1") = "6"
    & skf21("4","1","5","6","2","1","1","1") = "5"
    & skf21("4","1","5","6","2","1","2","1") = "5"
    & skf21("4","1","5","6","2","1","3","1") = "5"
    & skf21("4","1","5","6","2","1","4","1") = "5"
    & skf21("4","1","5","6","2","1","5","1") = "5"
    & skf21("4","1","5","6","2","1","6","1") = "5"
    & skf21("4","1","5","6","2","1","7","1") = "6"
    & skf21("4","1","5","6","2","2","1","1") = "5"
    & skf21("4","1","5","6","2","2","2","1") = "5"
    & skf21("4","1","5","6","2","2","3","1") = "5"
    & skf21("4","1","5","6","2","2","4","1") = "5"
    & skf21("4","1","5","6","2","2","5","1") = "5"
    & skf21("4","1","5","6","2","2","6","1") = "5"
    & skf21("4","1","5","6","2","2","7","1") = "6"
    & skf21("4","1","5","6","2","3","1","1") = "5"
    & skf21("4","1","5","6","2","3","2","1") = "5"
    & skf21("4","1","5","6","2","3","3","1") = "5"
    & skf21("4","1","5","6","2","3","4","1") = "5"
    & skf21("4","1","5","6","2","3","5","1") = "5"
    & skf21("4","1","5","6","2","3","6","1") = "5"
    & skf21("4","1","5","6","2","3","7","1") = "6"
    & skf21("4","1","5","6","2","4","1","1") = "5"
    & skf21("4","1","5","6","2","4","2","1") = "5"
    & skf21("4","1","5","6","2","4","3","1") = "5"
    & skf21("4","1","5","6","2","4","4","1") = "5"
    & skf21("4","1","5","6","2","4","5","1") = "5"
    & skf21("4","1","5","6","2","4","6","1") = "5"
    & skf21("4","1","5","6","2","4","7","1") = "6"
    & skf21("4","1","5","6","2","5","1","1") = "5"
    & skf21("4","1","5","6","2","5","2","1") = "5"
    & skf21("4","1","5","6","2","5","3","1") = "5"
    & skf21("4","1","5","6","2","5","4","1") = "5"
    & skf21("4","1","5","6","2","5","5","1") = "5"
    & skf21("4","1","5","6","2","5","6","1") = "5"
    & skf21("4","1","5","6","2","5","7","1") = "6"
    & skf21("4","1","5","6","2","6","1","1") = "5"
    & skf21("4","1","5","6","2","6","2","1") = "5"
    & skf21("4","1","5","6","2","6","3","1") = "5"
    & skf21("4","1","5","6","2","6","4","1") = "5"
    & skf21("4","1","5","6","2","6","5","1") = "5"
    & skf21("4","1","5","6","2","6","6","1") = "5"
    & skf21("4","1","5","6","2","6","7","1") = "6"
    & skf21("4","1","5","6","2","7","1","1") = "6"
    & skf21("4","1","5","6","2","7","2","1") = "6"
    & skf21("4","1","5","6","2","7","3","1") = "6"
    & skf21("4","1","5","6","2","7","4","1") = "6"
    & skf21("4","1","5","6","2","7","5","1") = "6"
    & skf21("4","1","5","6","2","7","6","1") = "6"
    & skf21("4","1","5","6","2","7","7","1") = "6"
    & skf21("4","1","5","6","3","1","1","1") = "5"
    & skf21("4","1","5","6","3","1","2","1") = "5"
    & skf21("4","1","5","6","3","1","3","1") = "5"
    & skf21("4","1","5","6","3","1","4","1") = "5"
    & skf21("4","1","5","6","3","1","5","1") = "5"
    & skf21("4","1","5","6","3","1","6","1") = "5"
    & skf21("4","1","5","6","3","1","7","1") = "6"
    & skf21("4","1","5","6","3","2","1","1") = "5"
    & skf21("4","1","5","6","3","2","2","1") = "5"
    & skf21("4","1","5","6","3","2","3","1") = "5"
    & skf21("4","1","5","6","3","2","4","1") = "5"
    & skf21("4","1","5","6","3","2","5","1") = "5"
    & skf21("4","1","5","6","3","2","6","1") = "5"
    & skf21("4","1","5","6","3","2","7","1") = "6"
    & skf21("4","1","5","6","3","3","1","1") = "5"
    & skf21("4","1","5","6","3","3","2","1") = "5"
    & skf21("4","1","5","6","3","3","3","1") = "5"
    & skf21("4","1","5","6","3","3","4","1") = "5"
    & skf21("4","1","5","6","3","3","5","1") = "5"
    & skf21("4","1","5","6","3","3","6","1") = "5"
    & skf21("4","1","5","6","3","3","7","1") = "6"
    & skf21("4","1","5","6","3","4","1","1") = "5"
    & skf21("4","1","5","6","3","4","2","1") = "5"
    & skf21("4","1","5","6","3","4","3","1") = "5"
    & skf21("4","1","5","6","3","4","4","1") = "5"
    & skf21("4","1","5","6","3","4","5","1") = "5"
    & skf21("4","1","5","6","3","4","6","1") = "5"
    & skf21("4","1","5","6","3","4","7","1") = "6"
    & skf21("4","1","5","6","3","5","1","1") = "5"
    & skf21("4","1","5","6","3","5","2","1") = "5"
    & skf21("4","1","5","6","3","5","3","1") = "5"
    & skf21("4","1","5","6","3","5","4","1") = "5"
    & skf21("4","1","5","6","3","5","5","1") = "5"
    & skf21("4","1","5","6","3","5","6","1") = "5"
    & skf21("4","1","5","6","3","5","7","1") = "6"
    & skf21("4","1","5","6","3","6","1","1") = "5"
    & skf21("4","1","5","6","3","6","2","1") = "5"
    & skf21("4","1","5","6","3","6","3","1") = "5"
    & skf21("4","1","5","6","3","6","4","1") = "5"
    & skf21("4","1","5","6","3","6","5","1") = "5"
    & skf21("4","1","5","6","3","6","6","1") = "5"
    & skf21("4","1","5","6","3","6","7","1") = "6"
    & skf21("4","1","5","6","3","7","1","1") = "6"
    & skf21("4","1","5","6","3","7","2","1") = "6"
    & skf21("4","1","5","6","3","7","3","1") = "6"
    & skf21("4","1","5","6","3","7","4","1") = "6"
    & skf21("4","1","5","6","3","7","5","1") = "6"
    & skf21("4","1","5","6","3","7","6","1") = "6"
    & skf21("4","1","5","6","3","7","7","1") = "6"
    & skf21("4","1","5","6","4","1","1","1") = "5"
    & skf21("4","1","5","6","4","1","2","1") = "5"
    & skf21("4","1","5","6","4","1","3","1") = "5"
    & skf21("4","1","5","6","4","1","4","1") = "5"
    & skf21("4","1","5","6","4","1","5","1") = "5"
    & skf21("4","1","5","6","4","1","6","1") = "5"
    & skf21("4","1","5","6","4","1","7","1") = "6"
    & skf21("4","1","5","6","4","2","1","1") = "5"
    & skf21("4","1","5","6","4","2","2","1") = "5"
    & skf21("4","1","5","6","4","2","3","1") = "5"
    & skf21("4","1","5","6","4","2","4","1") = "5"
    & skf21("4","1","5","6","4","2","5","1") = "5"
    & skf21("4","1","5","6","4","2","6","1") = "5"
    & skf21("4","1","5","6","4","2","7","1") = "6"
    & skf21("4","1","5","6","4","3","1","1") = "5"
    & skf21("4","1","5","6","4","3","2","1") = "5"
    & skf21("4","1","5","6","4","3","3","1") = "5"
    & skf21("4","1","5","6","4","3","4","1") = "5"
    & skf21("4","1","5","6","4","3","5","1") = "5"
    & skf21("4","1","5","6","4","3","6","1") = "5"
    & skf21("4","1","5","6","4","3","7","1") = "6"
    & skf21("4","1","5","6","4","4","1","1") = "5"
    & skf21("4","1","5","6","4","4","2","1") = "5"
    & skf21("4","1","5","6","4","4","3","1") = "5"
    & skf21("4","1","5","6","4","4","4","1") = "5"
    & skf21("4","1","5","6","4","4","5","1") = "5"
    & skf21("4","1","5","6","4","4","6","1") = "5"
    & skf21("4","1","5","6","4","4","7","1") = "6"
    & skf21("4","1","5","6","4","5","1","1") = "5"
    & skf21("4","1","5","6","4","5","2","1") = "5"
    & skf21("4","1","5","6","4","5","3","1") = "5"
    & skf21("4","1","5","6","4","5","4","1") = "5"
    & skf21("4","1","5","6","4","5","5","1") = "5"
    & skf21("4","1","5","6","4","5","6","1") = "5"
    & skf21("4","1","5","6","4","5","7","1") = "6"
    & skf21("4","1","5","6","4","6","1","1") = "5"
    & skf21("4","1","5","6","4","6","2","1") = "5"
    & skf21("4","1","5","6","4","6","3","1") = "5"
    & skf21("4","1","5","6","4","6","4","1") = "5"
    & skf21("4","1","5","6","4","6","5","1") = "5"
    & skf21("4","1","5","6","4","6","6","1") = "5"
    & skf21("4","1","5","6","4","6","7","1") = "6"
    & skf21("4","1","5","6","4","7","1","1") = "6"
    & skf21("4","1","5","6","4","7","2","1") = "6"
    & skf21("4","1","5","6","4","7","3","1") = "6"
    & skf21("4","1","5","6","4","7","4","1") = "6"
    & skf21("4","1","5","6","4","7","5","1") = "6"
    & skf21("4","1","5","6","4","7","6","1") = "6"
    & skf21("4","1","5","6","4","7","7","1") = "6"
    & skf21("4","1","5","6","5","1","1","1") = "5"
    & skf21("4","1","5","6","5","1","2","1") = "5"
    & skf21("4","1","5","6","5","1","3","1") = "5"
    & skf21("4","1","5","6","5","1","4","1") = "5"
    & skf21("4","1","5","6","5","1","5","1") = "5"
    & skf21("4","1","5","6","5","1","6","1") = "5"
    & skf21("4","1","5","6","5","1","7","1") = "6"
    & skf21("4","1","5","6","5","2","1","1") = "5"
    & skf21("4","1","5","6","5","2","2","1") = "5"
    & skf21("4","1","5","6","5","2","3","1") = "5"
    & skf21("4","1","5","6","5","2","4","1") = "5"
    & skf21("4","1","5","6","5","2","5","1") = "5"
    & skf21("4","1","5","6","5","2","6","1") = "5"
    & skf21("4","1","5","6","5","2","7","1") = "6"
    & skf21("4","1","5","6","5","3","1","1") = "5"
    & skf21("4","1","5","6","5","3","2","1") = "5"
    & skf21("4","1","5","6","5","3","3","1") = "5"
    & skf21("4","1","5","6","5","3","4","1") = "5"
    & skf21("4","1","5","6","5","3","5","1") = "5"
    & skf21("4","1","5","6","5","3","6","1") = "5"
    & skf21("4","1","5","6","5","3","7","1") = "6"
    & skf21("4","1","5","6","5","4","1","1") = "5"
    & skf21("4","1","5","6","5","4","2","1") = "5"
    & skf21("4","1","5","6","5","4","3","1") = "5"
    & skf21("4","1","5","6","5","4","4","1") = "5"
    & skf21("4","1","5","6","5","4","5","1") = "5"
    & skf21("4","1","5","6","5","4","6","1") = "5"
    & skf21("4","1","5","6","5","4","7","1") = "6"
    & skf21("4","1","5","6","5","5","1","1") = "5"
    & skf21("4","1","5","6","5","5","2","1") = "5"
    & skf21("4","1","5","6","5","5","3","1") = "5"
    & skf21("4","1","5","6","5","5","4","1") = "5"
    & skf21("4","1","5","6","5","5","5","1") = "5"
    & skf21("4","1","5","6","5","5","6","1") = "5"
    & skf21("4","1","5","6","5","5","7","1") = "6"
    & skf21("4","1","5","6","5","6","1","1") = "5"
    & skf21("4","1","5","6","5","6","2","1") = "5"
    & skf21("4","1","5","6","5","6","3","1") = "5"
    & skf21("4","1","5","6","5","6","4","1") = "5"
    & skf21("4","1","5","6","5","6","5","1") = "5"
    & skf21("4","1","5","6","5","6","6","1") = "5"
    & skf21("4","1","5","6","5","6","7","1") = "6"
    & skf21("4","1","5","6","5","7","1","1") = "6"
    & skf21("4","1","5","6","5","7","2","1") = "6"
    & skf21("4","1","5","6","5","7","3","1") = "6"
    & skf21("4","1","5","6","5","7","4","1") = "6"
    & skf21("4","1","5","6","5","7","5","1") = "6"
    & skf21("4","1","5","6","5","7","6","1") = "6"
    & skf21("4","1","5","6","5","7","7","1") = "6"
    & skf21("4","1","5","6","6","1","1","1") = "5"
    & skf21("4","1","5","6","6","1","2","1") = "5"
    & skf21("4","1","5","6","6","1","3","1") = "5"
    & skf21("4","1","5","6","6","1","4","1") = "5"
    & skf21("4","1","5","6","6","1","5","1") = "5"
    & skf21("4","1","5","6","6","1","6","1") = "5"
    & skf21("4","1","5","6","6","1","7","1") = "6"
    & skf21("4","1","5","6","6","2","1","1") = "5"
    & skf21("4","1","5","6","6","2","2","1") = "5"
    & skf21("4","1","5","6","6","2","3","1") = "5"
    & skf21("4","1","5","6","6","2","4","1") = "5"
    & skf21("4","1","5","6","6","2","5","1") = "5"
    & skf21("4","1","5","6","6","2","6","1") = "5"
    & skf21("4","1","5","6","6","2","7","1") = "6"
    & skf21("4","1","5","6","6","3","1","1") = "5"
    & skf21("4","1","5","6","6","3","2","1") = "5"
    & skf21("4","1","5","6","6","3","3","1") = "5"
    & skf21("4","1","5","6","6","3","4","1") = "5"
    & skf21("4","1","5","6","6","3","5","1") = "5"
    & skf21("4","1","5","6","6","3","6","1") = "5"
    & skf21("4","1","5","6","6","3","7","1") = "6"
    & skf21("4","1","5","6","6","4","1","1") = "5"
    & skf21("4","1","5","6","6","4","2","1") = "5"
    & skf21("4","1","5","6","6","4","3","1") = "5"
    & skf21("4","1","5","6","6","4","4","1") = "5"
    & skf21("4","1","5","6","6","4","5","1") = "5"
    & skf21("4","1","5","6","6","4","6","1") = "5"
    & skf21("4","1","5","6","6","4","7","1") = "6"
    & skf21("4","1","5","6","6","5","1","1") = "5"
    & skf21("4","1","5","6","6","5","2","1") = "5"
    & skf21("4","1","5","6","6","5","3","1") = "5"
    & skf21("4","1","5","6","6","5","4","1") = "5"
    & skf21("4","1","5","6","6","5","5","1") = "5"
    & skf21("4","1","5","6","6","5","6","1") = "5"
    & skf21("4","1","5","6","6","5","7","1") = "6"
    & skf21("4","1","5","6","6","6","1","1") = "5"
    & skf21("4","1","5","6","6","6","2","1") = "5"
    & skf21("4","1","5","6","6","6","3","1") = "5"
    & skf21("4","1","5","6","6","6","4","1") = "5"
    & skf21("4","1","5","6","6","6","5","1") = "5"
    & skf21("4","1","5","6","6","6","6","1") = "5"
    & skf21("4","1","5","6","6","6","7","1") = "6"
    & skf21("4","1","5","6","6","7","1","1") = "6"
    & skf21("4","1","5","6","6","7","2","1") = "6"
    & skf21("4","1","5","6","6","7","3","1") = "6"
    & skf21("4","1","5","6","6","7","4","1") = "6"
    & skf21("4","1","5","6","6","7","5","1") = "6"
    & skf21("4","1","5","6","6","7","6","1") = "6"
    & skf21("4","1","5","6","6","7","7","1") = "6"
    & skf21("4","1","5","6","7","1","1","1") = "6"
    & skf21("4","1","5","6","7","1","2","1") = "6"
    & skf21("4","1","5","6","7","1","3","1") = "6"
    & skf21("4","1","5","6","7","1","4","1") = "6"
    & skf21("4","1","5","6","7","1","5","1") = "6"
    & skf21("4","1","5","6","7","1","6","1") = "6"
    & skf21("4","1","5","6","7","1","7","1") = "6"
    & skf21("4","1","5","6","7","2","1","1") = "6"
    & skf21("4","1","5","6","7","2","2","1") = "6"
    & skf21("4","1","5","6","7","2","3","1") = "6"
    & skf21("4","1","5","6","7","2","4","1") = "6"
    & skf21("4","1","5","6","7","2","5","1") = "6"
    & skf21("4","1","5","6","7","2","6","1") = "6"
    & skf21("4","1","5","6","7","2","7","1") = "6"
    & skf21("4","1","5","6","7","3","1","1") = "6"
    & skf21("4","1","5","6","7","3","2","1") = "6"
    & skf21("4","1","5","6","7","3","3","1") = "6"
    & skf21("4","1","5","6","7","3","4","1") = "6"
    & skf21("4","1","5","6","7","3","5","1") = "6"
    & skf21("4","1","5","6","7","3","6","1") = "6"
    & skf21("4","1","5","6","7","3","7","1") = "6"
    & skf21("4","1","5","6","7","4","1","1") = "6"
    & skf21("4","1","5","6","7","4","2","1") = "6"
    & skf21("4","1","5","6","7","4","3","1") = "6"
    & skf21("4","1","5","6","7","4","4","1") = "6"
    & skf21("4","1","5","6","7","4","5","1") = "6"
    & skf21("4","1","5","6","7","4","6","1") = "6"
    & skf21("4","1","5","6","7","4","7","1") = "6"
    & skf21("4","1","5","6","7","5","1","1") = "6"
    & skf21("4","1","5","6","7","5","2","1") = "6"
    & skf21("4","1","5","6","7","5","3","1") = "6"
    & skf21("4","1","5","6","7","5","4","1") = "6"
    & skf21("4","1","5","6","7","5","5","1") = "6"
    & skf21("4","1","5","6","7","5","6","1") = "6"
    & skf21("4","1","5","6","7","5","7","1") = "6"
    & skf21("4","1","5","6","7","6","1","1") = "6"
    & skf21("4","1","5","6","7","6","2","1") = "6"
    & skf21("4","1","5","6","7","6","3","1") = "6"
    & skf21("4","1","5","6","7","6","4","1") = "6"
    & skf21("4","1","5","6","7","6","5","1") = "6"
    & skf21("4","1","5","6","7","6","6","1") = "6"
    & skf21("4","1","5","6","7","6","7","1") = "6"
    & skf21("4","1","5","6","7","7","1","1") = "6"
    & skf21("4","1","5","6","7","7","2","1") = "6"
    & skf21("4","1","5","6","7","7","3","1") = "6"
    & skf21("4","1","5","6","7","7","4","1") = "6"
    & skf21("4","1","5","6","7","7","5","1") = "6"
    & skf21("4","1","5","6","7","7","6","1") = "6"
    & skf21("4","1","5","6","7","7","7","1") = "6"
    & skf21("4","1","5","7","1","1","1","1") = "6"
    & skf21("4","1","5","7","1","1","2","1") = "6"
    & skf21("4","1","5","7","1","1","3","1") = "6"
    & skf21("4","1","5","7","1","1","4","1") = "6"
    & skf21("4","1","5","7","1","1","5","1") = "6"
    & skf21("4","1","5","7","1","1","6","1") = "6"
    & skf21("4","1","5","7","1","1","7","1") = "6"
    & skf21("4","1","5","7","1","2","1","1") = "6"
    & skf21("4","1","5","7","1","2","2","1") = "6"
    & skf21("4","1","5","7","1","2","3","1") = "6"
    & skf21("4","1","5","7","1","2","4","1") = "6"
    & skf21("4","1","5","7","1","2","5","1") = "6"
    & skf21("4","1","5","7","1","2","6","1") = "6"
    & skf21("4","1","5","7","1","2","7","1") = "6"
    & skf21("4","1","5","7","1","3","1","1") = "6"
    & skf21("4","1","5","7","1","3","2","1") = "6"
    & skf21("4","1","5","7","1","3","3","1") = "6"
    & skf21("4","1","5","7","1","3","4","1") = "6"
    & skf21("4","1","5","7","1","3","5","1") = "6"
    & skf21("4","1","5","7","1","3","6","1") = "6"
    & skf21("4","1","5","7","1","3","7","1") = "6"
    & skf21("4","1","5","7","1","4","1","1") = "6"
    & skf21("4","1","5","7","1","4","2","1") = "6"
    & skf21("4","1","5","7","1","4","3","1") = "6"
    & skf21("4","1","5","7","1","4","4","1") = "6"
    & skf21("4","1","5","7","1","4","5","1") = "6"
    & skf21("4","1","5","7","1","4","6","1") = "6"
    & skf21("4","1","5","7","1","4","7","1") = "6"
    & skf21("4","1","5","7","1","5","1","1") = "6"
    & skf21("4","1","5","7","1","5","2","1") = "6"
    & skf21("4","1","5","7","1","5","3","1") = "6"
    & skf21("4","1","5","7","1","5","4","1") = "6"
    & skf21("4","1","5","7","1","5","5","1") = "6"
    & skf21("4","1","5","7","1","5","6","1") = "6"
    & skf21("4","1","5","7","1","5","7","1") = "6"
    & skf21("4","1","5","7","1","6","1","1") = "6"
    & skf21("4","1","5","7","1","6","2","1") = "6"
    & skf21("4","1","5","7","1","6","3","1") = "6"
    & skf21("4","1","5","7","1","6","4","1") = "6"
    & skf21("4","1","5","7","1","6","5","1") = "6"
    & skf21("4","1","5","7","1","6","6","1") = "6"
    & skf21("4","1","5","7","1","6","7","1") = "6"
    & skf21("4","1","5","7","1","7","1","1") = "6"
    & skf21("4","1","5","7","1","7","2","1") = "6"
    & skf21("4","1","5","7","1","7","3","1") = "6"
    & skf21("4","1","5","7","1","7","4","1") = "6"
    & skf21("4","1","5","7","1","7","5","1") = "6"
    & skf21("4","1","5","7","1","7","6","1") = "6"
    & skf21("4","1","5","7","1","7","7","1") = "6"
    & skf21("4","1","5","7","2","1","1","1") = "6"
    & skf21("4","1","5","7","2","1","2","1") = "6"
    & skf21("4","1","5","7","2","1","3","1") = "6"
    & skf21("4","1","5","7","2","1","4","1") = "6"
    & skf21("4","1","5","7","2","1","5","1") = "6"
    & skf21("4","1","5","7","2","1","6","1") = "6"
    & skf21("4","1","5","7","2","1","7","1") = "6"
    & skf21("4","1","5","7","2","2","1","1") = "6"
    & skf21("4","1","5","7","2","2","2","1") = "6"
    & skf21("4","1","5","7","2","2","3","1") = "6"
    & skf21("4","1","5","7","2","2","4","1") = "6"
    & skf21("4","1","5","7","2","2","5","1") = "6"
    & skf21("4","1","5","7","2","2","6","1") = "6"
    & skf21("4","1","5","7","2","2","7","1") = "6"
    & skf21("4","1","5","7","2","3","1","1") = "6"
    & skf21("4","1","5","7","2","3","2","1") = "6"
    & skf21("4","1","5","7","2","3","3","1") = "6"
    & skf21("4","1","5","7","2","3","4","1") = "6"
    & skf21("4","1","5","7","2","3","5","1") = "6"
    & skf21("4","1","5","7","2","3","6","1") = "6"
    & skf21("4","1","5","7","2","3","7","1") = "6"
    & skf21("4","1","5","7","2","4","1","1") = "6"
    & skf21("4","1","5","7","2","4","2","1") = "6"
    & skf21("4","1","5","7","2","4","3","1") = "6"
    & skf21("4","1","5","7","2","4","4","1") = "6"
    & skf21("4","1","5","7","2","4","5","1") = "6"
    & skf21("4","1","5","7","2","4","6","1") = "6"
    & skf21("4","1","5","7","2","4","7","1") = "6"
    & skf21("4","1","5","7","2","5","1","1") = "6"
    & skf21("4","1","5","7","2","5","2","1") = "6"
    & skf21("4","1","5","7","2","5","3","1") = "6"
    & skf21("4","1","5","7","2","5","4","1") = "6"
    & skf21("4","1","5","7","2","5","5","1") = "6"
    & skf21("4","1","5","7","2","5","6","1") = "6"
    & skf21("4","1","5","7","2","5","7","1") = "6"
    & skf21("4","1","5","7","2","6","1","1") = "6"
    & skf21("4","1","5","7","2","6","2","1") = "6"
    & skf21("4","1","5","7","2","6","3","1") = "6"
    & skf21("4","1","5","7","2","6","4","1") = "6"
    & skf21("4","1","5","7","2","6","5","1") = "6"
    & skf21("4","1","5","7","2","6","6","1") = "6"
    & skf21("4","1","5","7","2","6","7","1") = "6"
    & skf21("4","1","5","7","2","7","1","1") = "6"
    & skf21("4","1","5","7","2","7","2","1") = "6"
    & skf21("4","1","5","7","2","7","3","1") = "6"
    & skf21("4","1","5","7","2","7","4","1") = "6"
    & skf21("4","1","5","7","2","7","5","1") = "6"
    & skf21("4","1","5","7","2","7","6","1") = "6"
    & skf21("4","1","5","7","2","7","7","1") = "6"
    & skf21("4","1","5","7","3","1","1","1") = "6"
    & skf21("4","1","5","7","3","1","2","1") = "6"
    & skf21("4","1","5","7","3","1","3","1") = "6"
    & skf21("4","1","5","7","3","1","4","1") = "6"
    & skf21("4","1","5","7","3","1","5","1") = "6"
    & skf21("4","1","5","7","3","1","6","1") = "6"
    & skf21("4","1","5","7","3","1","7","1") = "6"
    & skf21("4","1","5","7","3","2","1","1") = "6"
    & skf21("4","1","5","7","3","2","2","1") = "6"
    & skf21("4","1","5","7","3","2","3","1") = "6"
    & skf21("4","1","5","7","3","2","4","1") = "6"
    & skf21("4","1","5","7","3","2","5","1") = "6"
    & skf21("4","1","5","7","3","2","6","1") = "6"
    & skf21("4","1","5","7","3","2","7","1") = "6"
    & skf21("4","1","5","7","3","3","1","1") = "6"
    & skf21("4","1","5","7","3","3","2","1") = "6"
    & skf21("4","1","5","7","3","3","3","1") = "6"
    & skf21("4","1","5","7","3","3","4","1") = "6"
    & skf21("4","1","5","7","3","3","5","1") = "6"
    & skf21("4","1","5","7","3","3","6","1") = "6"
    & skf21("4","1","5","7","3","3","7","1") = "6"
    & skf21("4","1","5","7","3","4","1","1") = "6"
    & skf21("4","1","5","7","3","4","2","1") = "6"
    & skf21("4","1","5","7","3","4","3","1") = "6"
    & skf21("4","1","5","7","3","4","4","1") = "6"
    & skf21("4","1","5","7","3","4","5","1") = "6"
    & skf21("4","1","5","7","3","4","6","1") = "6"
    & skf21("4","1","5","7","3","4","7","1") = "6"
    & skf21("4","1","5","7","3","5","1","1") = "6"
    & skf21("4","1","5","7","3","5","2","1") = "6"
    & skf21("4","1","5","7","3","5","3","1") = "6"
    & skf21("4","1","5","7","3","5","4","1") = "6"
    & skf21("4","1","5","7","3","5","5","1") = "6"
    & skf21("4","1","5","7","3","5","6","1") = "6"
    & skf21("4","1","5","7","3","5","7","1") = "6"
    & skf21("4","1","5","7","3","6","1","1") = "6"
    & skf21("4","1","5","7","3","6","2","1") = "6"
    & skf21("4","1","5","7","3","6","3","1") = "6"
    & skf21("4","1","5","7","3","6","4","1") = "6"
    & skf21("4","1","5","7","3","6","5","1") = "6"
    & skf21("4","1","5","7","3","6","6","1") = "6"
    & skf21("4","1","5","7","3","6","7","1") = "6"
    & skf21("4","1","5","7","3","7","1","1") = "6"
    & skf21("4","1","5","7","3","7","2","1") = "6"
    & skf21("4","1","5","7","3","7","3","1") = "6"
    & skf21("4","1","5","7","3","7","4","1") = "6"
    & skf21("4","1","5","7","3","7","5","1") = "6"
    & skf21("4","1","5","7","3","7","6","1") = "6"
    & skf21("4","1","5","7","3","7","7","1") = "6"
    & skf21("4","1","5","7","4","1","1","1") = "6"
    & skf21("4","1","5","7","4","1","2","1") = "6"
    & skf21("4","1","5","7","4","1","3","1") = "6"
    & skf21("4","1","5","7","4","1","4","1") = "6"
    & skf21("4","1","5","7","4","1","5","1") = "6"
    & skf21("4","1","5","7","4","1","6","1") = "6"
    & skf21("4","1","5","7","4","1","7","1") = "6"
    & skf21("4","1","5","7","4","2","1","1") = "6"
    & skf21("4","1","5","7","4","2","2","1") = "6"
    & skf21("4","1","5","7","4","2","3","1") = "6"
    & skf21("4","1","5","7","4","2","4","1") = "6"
    & skf21("4","1","5","7","4","2","5","1") = "6"
    & skf21("4","1","5","7","4","2","6","1") = "6"
    & skf21("4","1","5","7","4","2","7","1") = "6"
    & skf21("4","1","5","7","4","3","1","1") = "6"
    & skf21("4","1","5","7","4","3","2","1") = "6"
    & skf21("4","1","5","7","4","3","3","1") = "6"
    & skf21("4","1","5","7","4","3","4","1") = "6"
    & skf21("4","1","5","7","4","3","5","1") = "6"
    & skf21("4","1","5","7","4","3","6","1") = "6"
    & skf21("4","1","5","7","4","3","7","1") = "6"
    & skf21("4","1","5","7","4","4","1","1") = "6"
    & skf21("4","1","5","7","4","4","2","1") = "6"
    & skf21("4","1","5","7","4","4","3","1") = "6"
    & skf21("4","1","5","7","4","4","4","1") = "6"
    & skf21("4","1","5","7","4","4","5","1") = "6"
    & skf21("4","1","5","7","4","4","6","1") = "6"
    & skf21("4","1","5","7","4","4","7","1") = "6"
    & skf21("4","1","5","7","4","5","1","1") = "6"
    & skf21("4","1","5","7","4","5","2","1") = "6"
    & skf21("4","1","5","7","4","5","3","1") = "6"
    & skf21("4","1","5","7","4","5","4","1") = "6"
    & skf21("4","1","5","7","4","5","5","1") = "6"
    & skf21("4","1","5","7","4","5","6","1") = "6"
    & skf21("4","1","5","7","4","5","7","1") = "6"
    & skf21("4","1","5","7","4","6","1","1") = "6"
    & skf21("4","1","5","7","4","6","2","1") = "6"
    & skf21("4","1","5","7","4","6","3","1") = "6"
    & skf21("4","1","5","7","4","6","4","1") = "6"
    & skf21("4","1","5","7","4","6","5","1") = "6"
    & skf21("4","1","5","7","4","6","6","1") = "6"
    & skf21("4","1","5","7","4","6","7","1") = "6"
    & skf21("4","1","5","7","4","7","1","1") = "6"
    & skf21("4","1","5","7","4","7","2","1") = "6"
    & skf21("4","1","5","7","4","7","3","1") = "6"
    & skf21("4","1","5","7","4","7","4","1") = "6"
    & skf21("4","1","5","7","4","7","5","1") = "6"
    & skf21("4","1","5","7","4","7","6","1") = "6"
    & skf21("4","1","5","7","4","7","7","1") = "6"
    & skf21("4","1","5","7","5","1","1","1") = "6"
    & skf21("4","1","5","7","5","1","2","1") = "6"
    & skf21("4","1","5","7","5","1","3","1") = "6"
    & skf21("4","1","5","7","5","1","4","1") = "6"
    & skf21("4","1","5","7","5","1","5","1") = "6"
    & skf21("4","1","5","7","5","1","6","1") = "6"
    & skf21("4","1","5","7","5","1","7","1") = "6"
    & skf21("4","1","5","7","5","2","1","1") = "6"
    & skf21("4","1","5","7","5","2","2","1") = "6"
    & skf21("4","1","5","7","5","2","3","1") = "6"
    & skf21("4","1","5","7","5","2","4","1") = "6"
    & skf21("4","1","5","7","5","2","5","1") = "6"
    & skf21("4","1","5","7","5","2","6","1") = "6"
    & skf21("4","1","5","7","5","2","7","1") = "6"
    & skf21("4","1","5","7","5","3","1","1") = "6"
    & skf21("4","1","5","7","5","3","2","1") = "6"
    & skf21("4","1","5","7","5","3","3","1") = "6"
    & skf21("4","1","5","7","5","3","4","1") = "6"
    & skf21("4","1","5","7","5","3","5","1") = "6"
    & skf21("4","1","5","7","5","3","6","1") = "6"
    & skf21("4","1","5","7","5","3","7","1") = "6"
    & skf21("4","1","5","7","5","4","1","1") = "6"
    & skf21("4","1","5","7","5","4","2","1") = "6"
    & skf21("4","1","5","7","5","4","3","1") = "6"
    & skf21("4","1","5","7","5","4","4","1") = "6"
    & skf21("4","1","5","7","5","4","5","1") = "6"
    & skf21("4","1","5","7","5","4","6","1") = "6"
    & skf21("4","1","5","7","5","4","7","1") = "6"
    & skf21("4","1","5","7","5","5","1","1") = "6"
    & skf21("4","1","5","7","5","5","2","1") = "6"
    & skf21("4","1","5","7","5","5","3","1") = "6"
    & skf21("4","1","5","7","5","5","4","1") = "6"
    & skf21("4","1","5","7","5","5","5","1") = "6"
    & skf21("4","1","5","7","5","5","6","1") = "6"
    & skf21("4","1","5","7","5","5","7","1") = "6"
    & skf21("4","1","5","7","5","6","1","1") = "6"
    & skf21("4","1","5","7","5","6","2","1") = "6"
    & skf21("4","1","5","7","5","6","3","1") = "6"
    & skf21("4","1","5","7","5","6","4","1") = "6"
    & skf21("4","1","5","7","5","6","5","1") = "6"
    & skf21("4","1","5","7","5","6","6","1") = "6"
    & skf21("4","1","5","7","5","6","7","1") = "6"
    & skf21("4","1","5","7","5","7","1","1") = "6"
    & skf21("4","1","5","7","5","7","2","1") = "6"
    & skf21("4","1","5","7","5","7","3","1") = "6"
    & skf21("4","1","5","7","5","7","4","1") = "6"
    & skf21("4","1","5","7","5","7","5","1") = "6"
    & skf21("4","1","5","7","5","7","6","1") = "6"
    & skf21("4","1","5","7","5","7","7","1") = "6"
    & skf21("4","1","5","7","6","1","1","1") = "6"
    & skf21("4","1","5","7","6","1","2","1") = "6"
    & skf21("4","1","5","7","6","1","3","1") = "6"
    & skf21("4","1","5","7","6","1","4","1") = "6"
    & skf21("4","1","5","7","6","1","5","1") = "6"
    & skf21("4","1","5","7","6","1","6","1") = "6"
    & skf21("4","1","5","7","6","1","7","1") = "6"
    & skf21("4","1","5","7","6","2","1","1") = "6"
    & skf21("4","1","5","7","6","2","2","1") = "6"
    & skf21("4","1","5","7","6","2","3","1") = "6"
    & skf21("4","1","5","7","6","2","4","1") = "6"
    & skf21("4","1","5","7","6","2","5","1") = "6"
    & skf21("4","1","5","7","6","2","6","1") = "6"
    & skf21("4","1","5","7","6","2","7","1") = "6"
    & skf21("4","1","5","7","6","3","1","1") = "6"
    & skf21("4","1","5","7","6","3","2","1") = "6"
    & skf21("4","1","5","7","6","3","3","1") = "6"
    & skf21("4","1","5","7","6","3","4","1") = "6"
    & skf21("4","1","5","7","6","3","5","1") = "6"
    & skf21("4","1","5","7","6","3","6","1") = "6"
    & skf21("4","1","5","7","6","3","7","1") = "6"
    & skf21("4","1","5","7","6","4","1","1") = "6"
    & skf21("4","1","5","7","6","4","2","1") = "6"
    & skf21("4","1","5","7","6","4","3","1") = "6"
    & skf21("4","1","5","7","6","4","4","1") = "6"
    & skf21("4","1","5","7","6","4","5","1") = "6"
    & skf21("4","1","5","7","6","4","6","1") = "6"
    & skf21("4","1","5","7","6","4","7","1") = "6"
    & skf21("4","1","5","7","6","5","1","1") = "6"
    & skf21("4","1","5","7","6","5","2","1") = "6"
    & skf21("4","1","5","7","6","5","3","1") = "6"
    & skf21("4","1","5","7","6","5","4","1") = "6"
    & skf21("4","1","5","7","6","5","5","1") = "6"
    & skf21("4","1","5","7","6","5","6","1") = "6"
    & skf21("4","1","5","7","6","5","7","1") = "6"
    & skf21("4","1","5","7","6","6","1","1") = "6"
    & skf21("4","1","5","7","6","6","2","1") = "6"
    & skf21("4","1","5","7","6","6","3","1") = "6"
    & skf21("4","1","5","7","6","6","4","1") = "6"
    & skf21("4","1","5","7","6","6","5","1") = "6"
    & skf21("4","1","5","7","6","6","6","1") = "6"
    & skf21("4","1","5","7","6","6","7","1") = "6"
    & skf21("4","1","5","7","6","7","1","1") = "6"
    & skf21("4","1","5","7","6","7","2","1") = "6"
    & skf21("4","1","5","7","6","7","3","1") = "6"
    & skf21("4","1","5","7","6","7","4","1") = "6"
    & skf21("4","1","5","7","6","7","5","1") = "6"
    & skf21("4","1","5","7","6","7","6","1") = "6"
    & skf21("4","1","5","7","6","7","7","1") = "6"
    & skf21("4","1","5","7","7","1","1","1") = "6"
    & skf21("4","1","5","7","7","1","2","1") = "6"
    & skf21("4","1","5","7","7","1","3","1") = "6"
    & skf21("4","1","5","7","7","1","4","1") = "6"
    & skf21("4","1","5","7","7","1","5","1") = "6"
    & skf21("4","1","5","7","7","1","6","1") = "6"
    & skf21("4","1","5","7","7","1","7","1") = "6"
    & skf21("4","1","5","7","7","2","1","1") = "6"
    & skf21("4","1","5","7","7","2","2","1") = "6"
    & skf21("4","1","5","7","7","2","3","1") = "6"
    & skf21("4","1","5","7","7","2","4","1") = "6"
    & skf21("4","1","5","7","7","2","5","1") = "6"
    & skf21("4","1","5","7","7","2","6","1") = "6"
    & skf21("4","1","5","7","7","2","7","1") = "6"
    & skf21("4","1","5","7","7","3","1","1") = "6"
    & skf21("4","1","5","7","7","3","2","1") = "6"
    & skf21("4","1","5","7","7","3","3","1") = "6"
    & skf21("4","1","5","7","7","3","4","1") = "6"
    & skf21("4","1","5","7","7","3","5","1") = "6"
    & skf21("4","1","5","7","7","3","6","1") = "6"
    & skf21("4","1","5","7","7","3","7","1") = "6"
    & skf21("4","1","5","7","7","4","1","1") = "6"
    & skf21("4","1","5","7","7","4","2","1") = "6"
    & skf21("4","1","5","7","7","4","3","1") = "6"
    & skf21("4","1","5","7","7","4","4","1") = "6"
    & skf21("4","1","5","7","7","4","5","1") = "6"
    & skf21("4","1","5","7","7","4","6","1") = "6"
    & skf21("4","1","5","7","7","4","7","1") = "6"
    & skf21("4","1","5","7","7","5","1","1") = "6"
    & skf21("4","1","5","7","7","5","2","1") = "6"
    & skf21("4","1","5","7","7","5","3","1") = "6"
    & skf21("4","1","5","7","7","5","4","1") = "6"
    & skf21("4","1","5","7","7","5","5","1") = "6"
    & skf21("4","1","5","7","7","5","6","1") = "6"
    & skf21("4","1","5","7","7","5","7","1") = "6"
    & skf21("4","1","5","7","7","6","1","1") = "6"
    & skf21("4","1","5","7","7","6","2","1") = "6"
    & skf21("4","1","5","7","7","6","3","1") = "6"
    & skf21("4","1","5","7","7","6","4","1") = "6"
    & skf21("4","1","5","7","7","6","5","1") = "6"
    & skf21("4","1","5","7","7","6","6","1") = "6"
    & skf21("4","1","5","7","7","6","7","1") = "6"
    & skf21("4","1","5","7","7","7","1","1") = "6"
    & skf21("4","1","5","7","7","7","2","1") = "6"
    & skf21("4","1","5","7","7","7","3","1") = "6"
    & skf21("4","1","5","7","7","7","4","1") = "6"
    & skf21("4","1","5","7","7","7","5","1") = "6"
    & skf21("4","1","5","7","7","7","6","1") = "6"
    & skf21("4","1","5","7","7","7","7","1") = "6"
    & skf21("4","1","6","1","1","1","1","1") = "5"
    & skf21("4","1","6","1","1","1","2","1") = "5"
    & skf21("4","1","6","1","1","1","3","1") = "5"
    & skf21("4","1","6","1","1","1","4","1") = "5"
    & skf21("4","1","6","1","1","1","5","1") = "5"
    & skf21("4","1","6","1","1","1","6","1") = "5"
    & skf21("4","1","6","1","1","1","7","1") = "6"
    & skf21("4","1","6","1","1","2","1","1") = "5"
    & skf21("4","1","6","1","1","2","2","1") = "5"
    & skf21("4","1","6","1","1","2","3","1") = "5"
    & skf21("4","1","6","1","1","2","4","1") = "5"
    & skf21("4","1","6","1","1","2","5","1") = "5"
    & skf21("4","1","6","1","1","2","6","1") = "5"
    & skf21("4","1","6","1","1","2","7","1") = "6"
    & skf21("4","1","6","1","1","3","1","1") = "5"
    & skf21("4","1","6","1","1","3","2","1") = "5"
    & skf21("4","1","6","1","1","3","3","1") = "5"
    & skf21("4","1","6","1","1","3","4","1") = "5"
    & skf21("4","1","6","1","1","3","5","1") = "5"
    & skf21("4","1","6","1","1","3","6","1") = "5"
    & skf21("4","1","6","1","1","3","7","1") = "6"
    & skf21("4","1","6","1","1","4","1","1") = "5"
    & skf21("4","1","6","1","1","4","2","1") = "5"
    & skf21("4","1","6","1","1","4","3","1") = "5"
    & skf21("4","1","6","1","1","4","4","1") = "5"
    & skf21("4","1","6","1","1","4","5","1") = "5"
    & skf21("4","1","6","1","1","4","6","1") = "5"
    & skf21("4","1","6","1","1","4","7","1") = "6"
    & skf21("4","1","6","1","1","5","1","1") = "5"
    & skf21("4","1","6","1","1","5","2","1") = "5"
    & skf21("4","1","6","1","1","5","3","1") = "5"
    & skf21("4","1","6","1","1","5","4","1") = "5"
    & skf21("4","1","6","1","1","5","5","1") = "5"
    & skf21("4","1","6","1","1","5","6","1") = "5"
    & skf21("4","1","6","1","1","5","7","1") = "6"
    & skf21("4","1","6","1","1","6","1","1") = "5"
    & skf21("4","1","6","1","1","6","2","1") = "5"
    & skf21("4","1","6","1","1","6","3","1") = "5"
    & skf21("4","1","6","1","1","6","4","1") = "5"
    & skf21("4","1","6","1","1","6","5","1") = "5"
    & skf21("4","1","6","1","1","6","6","1") = "5"
    & skf21("4","1","6","1","1","6","7","1") = "6"
    & skf21("4","1","6","1","1","7","1","1") = "6"
    & skf21("4","1","6","1","1","7","2","1") = "6"
    & skf21("4","1","6","1","1","7","3","1") = "6"
    & skf21("4","1","6","1","1","7","4","1") = "6"
    & skf21("4","1","6","1","1","7","5","1") = "6"
    & skf21("4","1","6","1","1","7","6","1") = "6"
    & skf21("4","1","6","1","1","7","7","1") = "6"
    & skf21("4","1","6","1","2","1","1","1") = "5"
    & skf21("4","1","6","1","2","1","2","1") = "5"
    & skf21("4","1","6","1","2","1","3","1") = "5"
    & skf21("4","1","6","1","2","1","4","1") = "5"
    & skf21("4","1","6","1","2","1","5","1") = "5"
    & skf21("4","1","6","1","2","1","6","1") = "5"
    & skf21("4","1","6","1","2","1","7","1") = "6"
    & skf21("4","1","6","1","2","2","1","1") = "5"
    & skf21("4","1","6","1","2","2","2","1") = "5"
    & skf21("4","1","6","1","2","2","3","1") = "5"
    & skf21("4","1","6","1","2","2","4","1") = "5"
    & skf21("4","1","6","1","2","2","5","1") = "5"
    & skf21("4","1","6","1","2","2","6","1") = "5"
    & skf21("4","1","6","1","2","2","7","1") = "6"
    & skf21("4","1","6","1","2","3","1","1") = "5"
    & skf21("4","1","6","1","2","3","2","1") = "5"
    & skf21("4","1","6","1","2","3","3","1") = "5"
    & skf21("4","1","6","1","2","3","4","1") = "5"
    & skf21("4","1","6","1","2","3","5","1") = "5"
    & skf21("4","1","6","1","2","3","6","1") = "5"
    & skf21("4","1","6","1","2","3","7","1") = "6"
    & skf21("4","1","6","1","2","4","1","1") = "5"
    & skf21("4","1","6","1","2","4","2","1") = "5"
    & skf21("4","1","6","1","2","4","3","1") = "5"
    & skf21("4","1","6","1","2","4","4","1") = "5"
    & skf21("4","1","6","1","2","4","5","1") = "5"
    & skf21("4","1","6","1","2","4","6","1") = "5"
    & skf21("4","1","6","1","2","4","7","1") = "6"
    & skf21("4","1","6","1","2","5","1","1") = "5"
    & skf21("4","1","6","1","2","5","2","1") = "5"
    & skf21("4","1","6","1","2","5","3","1") = "5"
    & skf21("4","1","6","1","2","5","4","1") = "5"
    & skf21("4","1","6","1","2","5","5","1") = "5"
    & skf21("4","1","6","1","2","5","6","1") = "5"
    & skf21("4","1","6","1","2","5","7","1") = "6"
    & skf21("4","1","6","1","2","6","1","1") = "5"
    & skf21("4","1","6","1","2","6","2","1") = "5"
    & skf21("4","1","6","1","2","6","3","1") = "5"
    & skf21("4","1","6","1","2","6","4","1") = "5"
    & skf21("4","1","6","1","2","6","5","1") = "5"
    & skf21("4","1","6","1","2","6","6","1") = "5"
    & skf21("4","1","6","1","2","6","7","1") = "6"
    & skf21("4","1","6","1","2","7","1","1") = "6"
    & skf21("4","1","6","1","2","7","2","1") = "6"
    & skf21("4","1","6","1","2","7","3","1") = "6"
    & skf21("4","1","6","1","2","7","4","1") = "6"
    & skf21("4","1","6","1","2","7","5","1") = "6"
    & skf21("4","1","6","1","2","7","6","1") = "6"
    & skf21("4","1","6","1","2","7","7","1") = "6"
    & skf21("4","1","6","1","3","1","1","1") = "5"
    & skf21("4","1","6","1","3","1","2","1") = "5"
    & skf21("4","1","6","1","3","1","3","1") = "5"
    & skf21("4","1","6","1","3","1","4","1") = "5"
    & skf21("4","1","6","1","3","1","5","1") = "5"
    & skf21("4","1","6","1","3","1","6","1") = "5"
    & skf21("4","1","6","1","3","1","7","1") = "6"
    & skf21("4","1","6","1","3","2","1","1") = "5"
    & skf21("4","1","6","1","3","2","2","1") = "5"
    & skf21("4","1","6","1","3","2","3","1") = "5"
    & skf21("4","1","6","1","3","2","4","1") = "5"
    & skf21("4","1","6","1","3","2","5","1") = "5"
    & skf21("4","1","6","1","3","2","6","1") = "5"
    & skf21("4","1","6","1","3","2","7","1") = "6"
    & skf21("4","1","6","1","3","3","1","1") = "5"
    & skf21("4","1","6","1","3","3","2","1") = "5"
    & skf21("4","1","6","1","3","3","3","1") = "5"
    & skf21("4","1","6","1","3","3","4","1") = "5"
    & skf21("4","1","6","1","3","3","5","1") = "5"
    & skf21("4","1","6","1","3","3","6","1") = "5"
    & skf21("4","1","6","1","3","3","7","1") = "6"
    & skf21("4","1","6","1","3","4","1","1") = "5"
    & skf21("4","1","6","1","3","4","2","1") = "5"
    & skf21("4","1","6","1","3","4","3","1") = "5"
    & skf21("4","1","6","1","3","4","4","1") = "5"
    & skf21("4","1","6","1","3","4","5","1") = "5"
    & skf21("4","1","6","1","3","4","6","1") = "5"
    & skf21("4","1","6","1","3","4","7","1") = "6"
    & skf21("4","1","6","1","3","5","1","1") = "5"
    & skf21("4","1","6","1","3","5","2","1") = "5"
    & skf21("4","1","6","1","3","5","3","1") = "5"
    & skf21("4","1","6","1","3","5","4","1") = "5"
    & skf21("4","1","6","1","3","5","5","1") = "5"
    & skf21("4","1","6","1","3","5","6","1") = "5"
    & skf21("4","1","6","1","3","5","7","1") = "6"
    & skf21("4","1","6","1","3","6","1","1") = "5"
    & skf21("4","1","6","1","3","6","2","1") = "5"
    & skf21("4","1","6","1","3","6","3","1") = "5"
    & skf21("4","1","6","1","3","6","4","1") = "5"
    & skf21("4","1","6","1","3","6","5","1") = "5"
    & skf21("4","1","6","1","3","6","6","1") = "5"
    & skf21("4","1","6","1","3","6","7","1") = "6"
    & skf21("4","1","6","1","3","7","1","1") = "6"
    & skf21("4","1","6","1","3","7","2","1") = "6"
    & skf21("4","1","6","1","3","7","3","1") = "6"
    & skf21("4","1","6","1","3","7","4","1") = "6"
    & skf21("4","1","6","1","3","7","5","1") = "6"
    & skf21("4","1","6","1","3","7","6","1") = "6"
    & skf21("4","1","6","1","3","7","7","1") = "6"
    & skf21("4","1","6","1","4","1","1","1") = "5"
    & skf21("4","1","6","1","4","1","2","1") = "5"
    & skf21("4","1","6","1","4","1","3","1") = "5"
    & skf21("4","1","6","1","4","1","4","1") = "5"
    & skf21("4","1","6","1","4","1","5","1") = "5"
    & skf21("4","1","6","1","4","1","6","1") = "5"
    & skf21("4","1","6","1","4","1","7","1") = "6"
    & skf21("4","1","6","1","4","2","1","1") = "5"
    & skf21("4","1","6","1","4","2","2","1") = "5"
    & skf21("4","1","6","1","4","2","3","1") = "5"
    & skf21("4","1","6","1","4","2","4","1") = "5"
    & skf21("4","1","6","1","4","2","5","1") = "5"
    & skf21("4","1","6","1","4","2","6","1") = "5"
    & skf21("4","1","6","1","4","2","7","1") = "6"
    & skf21("4","1","6","1","4","3","1","1") = "5"
    & skf21("4","1","6","1","4","3","2","1") = "5"
    & skf21("4","1","6","1","4","3","3","1") = "5"
    & skf21("4","1","6","1","4","3","4","1") = "5"
    & skf21("4","1","6","1","4","3","5","1") = "5"
    & skf21("4","1","6","1","4","3","6","1") = "5"
    & skf21("4","1","6","1","4","3","7","1") = "6"
    & skf21("4","1","6","1","4","4","1","1") = "5"
    & skf21("4","1","6","1","4","4","2","1") = "5"
    & skf21("4","1","6","1","4","4","3","1") = "5"
    & skf21("4","1","6","1","4","4","4","1") = "5"
    & skf21("4","1","6","1","4","4","5","1") = "5"
    & skf21("4","1","6","1","4","4","6","1") = "5"
    & skf21("4","1","6","1","4","4","7","1") = "6"
    & skf21("4","1","6","1","4","5","1","1") = "5"
    & skf21("4","1","6","1","4","5","2","1") = "5"
    & skf21("4","1","6","1","4","5","3","1") = "5"
    & skf21("4","1","6","1","4","5","4","1") = "5"
    & skf21("4","1","6","1","4","5","5","1") = "5"
    & skf21("4","1","6","1","4","5","6","1") = "5"
    & skf21("4","1","6","1","4","5","7","1") = "6"
    & skf21("4","1","6","1","4","6","1","1") = "5"
    & skf21("4","1","6","1","4","6","2","1") = "5"
    & skf21("4","1","6","1","4","6","3","1") = "5"
    & skf21("4","1","6","1","4","6","4","1") = "5"
    & skf21("4","1","6","1","4","6","5","1") = "5"
    & skf21("4","1","6","1","4","6","6","1") = "5"
    & skf21("4","1","6","1","4","6","7","1") = "6"
    & skf21("4","1","6","1","4","7","1","1") = "6"
    & skf21("4","1","6","1","4","7","2","1") = "6"
    & skf21("4","1","6","1","4","7","3","1") = "6"
    & skf21("4","1","6","1","4","7","4","1") = "6"
    & skf21("4","1","6","1","4","7","5","1") = "6"
    & skf21("4","1","6","1","4","7","6","1") = "6"
    & skf21("4","1","6","1","4","7","7","1") = "6"
    & skf21("4","1","6","1","5","1","1","1") = "5"
    & skf21("4","1","6","1","5","1","2","1") = "5"
    & skf21("4","1","6","1","5","1","3","1") = "5"
    & skf21("4","1","6","1","5","1","4","1") = "5"
    & skf21("4","1","6","1","5","1","5","1") = "5"
    & skf21("4","1","6","1","5","1","6","1") = "5"
    & skf21("4","1","6","1","5","1","7","1") = "6"
    & skf21("4","1","6","1","5","2","1","1") = "5"
    & skf21("4","1","6","1","5","2","2","1") = "5"
    & skf21("4","1","6","1","5","2","3","1") = "5"
    & skf21("4","1","6","1","5","2","4","1") = "5"
    & skf21("4","1","6","1","5","2","5","1") = "5"
    & skf21("4","1","6","1","5","2","6","1") = "5"
    & skf21("4","1","6","1","5","2","7","1") = "6"
    & skf21("4","1","6","1","5","3","1","1") = "5"
    & skf21("4","1","6","1","5","3","2","1") = "5"
    & skf21("4","1","6","1","5","3","3","1") = "5"
    & skf21("4","1","6","1","5","3","4","1") = "5"
    & skf21("4","1","6","1","5","3","5","1") = "5"
    & skf21("4","1","6","1","5","3","6","1") = "5"
    & skf21("4","1","6","1","5","3","7","1") = "6"
    & skf21("4","1","6","1","5","4","1","1") = "5"
    & skf21("4","1","6","1","5","4","2","1") = "5"
    & skf21("4","1","6","1","5","4","3","1") = "5"
    & skf21("4","1","6","1","5","4","4","1") = "5"
    & skf21("4","1","6","1","5","4","5","1") = "5"
    & skf21("4","1","6","1","5","4","6","1") = "5"
    & skf21("4","1","6","1","5","4","7","1") = "6"
    & skf21("4","1","6","1","5","5","1","1") = "5"
    & skf21("4","1","6","1","5","5","2","1") = "5"
    & skf21("4","1","6","1","5","5","3","1") = "5"
    & skf21("4","1","6","1","5","5","4","1") = "5"
    & skf21("4","1","6","1","5","5","5","1") = "5"
    & skf21("4","1","6","1","5","5","6","1") = "5"
    & skf21("4","1","6","1","5","5","7","1") = "6"
    & skf21("4","1","6","1","5","6","1","1") = "5"
    & skf21("4","1","6","1","5","6","2","1") = "5"
    & skf21("4","1","6","1","5","6","3","1") = "5"
    & skf21("4","1","6","1","5","6","4","1") = "5"
    & skf21("4","1","6","1","5","6","5","1") = "5"
    & skf21("4","1","6","1","5","6","6","1") = "5"
    & skf21("4","1","6","1","5","6","7","1") = "6"
    & skf21("4","1","6","1","5","7","1","1") = "6"
    & skf21("4","1","6","1","5","7","2","1") = "6"
    & skf21("4","1","6","1","5","7","3","1") = "6"
    & skf21("4","1","6","1","5","7","4","1") = "6"
    & skf21("4","1","6","1","5","7","5","1") = "6"
    & skf21("4","1","6","1","5","7","6","1") = "6"
    & skf21("4","1","6","1","5","7","7","1") = "6"
    & skf21("4","1","6","1","6","1","1","1") = "5"
    & skf21("4","1","6","1","6","1","2","1") = "5"
    & skf21("4","1","6","1","6","1","3","1") = "5"
    & skf21("4","1","6","1","6","1","4","1") = "5"
    & skf21("4","1","6","1","6","1","5","1") = "5"
    & skf21("4","1","6","1","6","1","6","1") = "5"
    & skf21("4","1","6","1","6","1","7","1") = "6"
    & skf21("4","1","6","1","6","2","1","1") = "5"
    & skf21("4","1","6","1","6","2","2","1") = "5"
    & skf21("4","1","6","1","6","2","3","1") = "5"
    & skf21("4","1","6","1","6","2","4","1") = "5"
    & skf21("4","1","6","1","6","2","5","1") = "5"
    & skf21("4","1","6","1","6","2","6","1") = "5"
    & skf21("4","1","6","1","6","2","7","1") = "6"
    & skf21("4","1","6","1","6","3","1","1") = "5"
    & skf21("4","1","6","1","6","3","2","1") = "5"
    & skf21("4","1","6","1","6","3","3","1") = "5"
    & skf21("4","1","6","1","6","3","4","1") = "5"
    & skf21("4","1","6","1","6","3","5","1") = "5"
    & skf21("4","1","6","1","6","3","6","1") = "5"
    & skf21("4","1","6","1","6","3","7","1") = "6"
    & skf21("4","1","6","1","6","4","1","1") = "5"
    & skf21("4","1","6","1","6","4","2","1") = "5"
    & skf21("4","1","6","1","6","4","3","1") = "5"
    & skf21("4","1","6","1","6","4","4","1") = "5"
    & skf21("4","1","6","1","6","4","5","1") = "5"
    & skf21("4","1","6","1","6","4","6","1") = "5"
    & skf21("4","1","6","1","6","4","7","1") = "6"
    & skf21("4","1","6","1","6","5","1","1") = "5"
    & skf21("4","1","6","1","6","5","2","1") = "5"
    & skf21("4","1","6","1","6","5","3","1") = "5"
    & skf21("4","1","6","1","6","5","4","1") = "5"
    & skf21("4","1","6","1","6","5","5","1") = "5"
    & skf21("4","1","6","1","6","5","6","1") = "5"
    & skf21("4","1","6","1","6","5","7","1") = "6"
    & skf21("4","1","6","1","6","6","1","1") = "5"
    & skf21("4","1","6","1","6","6","2","1") = "5"
    & skf21("4","1","6","1","6","6","3","1") = "5"
    & skf21("4","1","6","1","6","6","4","1") = "5"
    & skf21("4","1","6","1","6","6","5","1") = "5"
    & skf21("4","1","6","1","6","6","6","1") = "5"
    & skf21("4","1","6","1","6","6","7","1") = "6"
    & skf21("4","1","6","1","6","7","1","1") = "6"
    & skf21("4","1","6","1","6","7","2","1") = "6"
    & skf21("4","1","6","1","6","7","3","1") = "6"
    & skf21("4","1","6","1","6","7","4","1") = "6"
    & skf21("4","1","6","1","6","7","5","1") = "6"
    & skf21("4","1","6","1","6","7","6","1") = "6"
    & skf21("4","1","6","1","6","7","7","1") = "6"
    & skf21("4","1","6","1","7","1","1","1") = "6"
    & skf21("4","1","6","1","7","1","2","1") = "6"
    & skf21("4","1","6","1","7","1","3","1") = "6"
    & skf21("4","1","6","1","7","1","4","1") = "6"
    & skf21("4","1","6","1","7","1","5","1") = "6"
    & skf21("4","1","6","1","7","1","6","1") = "6"
    & skf21("4","1","6","1","7","1","7","1") = "6"
    & skf21("4","1","6","1","7","2","1","1") = "6"
    & skf21("4","1","6","1","7","2","2","1") = "6"
    & skf21("4","1","6","1","7","2","3","1") = "6"
    & skf21("4","1","6","1","7","2","4","1") = "6"
    & skf21("4","1","6","1","7","2","5","1") = "6"
    & skf21("4","1","6","1","7","2","6","1") = "6"
    & skf21("4","1","6","1","7","2","7","1") = "6"
    & skf21("4","1","6","1","7","3","1","1") = "6"
    & skf21("4","1","6","1","7","3","2","1") = "6"
    & skf21("4","1","6","1","7","3","3","1") = "6"
    & skf21("4","1","6","1","7","3","4","1") = "6"
    & skf21("4","1","6","1","7","3","5","1") = "6"
    & skf21("4","1","6","1","7","3","6","1") = "6"
    & skf21("4","1","6","1","7","3","7","1") = "6"
    & skf21("4","1","6","1","7","4","1","1") = "6"
    & skf21("4","1","6","1","7","4","2","1") = "6"
    & skf21("4","1","6","1","7","4","3","1") = "6"
    & skf21("4","1","6","1","7","4","4","1") = "6"
    & skf21("4","1","6","1","7","4","5","1") = "6"
    & skf21("4","1","6","1","7","4","6","1") = "6"
    & skf21("4","1","6","1","7","4","7","1") = "6"
    & skf21("4","1","6","1","7","5","1","1") = "6"
    & skf21("4","1","6","1","7","5","2","1") = "6"
    & skf21("4","1","6","1","7","5","3","1") = "6"
    & skf21("4","1","6","1","7","5","4","1") = "6"
    & skf21("4","1","6","1","7","5","5","1") = "6"
    & skf21("4","1","6","1","7","5","6","1") = "6"
    & skf21("4","1","6","1","7","5","7","1") = "6"
    & skf21("4","1","6","1","7","6","1","1") = "6"
    & skf21("4","1","6","1","7","6","2","1") = "6"
    & skf21("4","1","6","1","7","6","3","1") = "6"
    & skf21("4","1","6","1","7","6","4","1") = "6"
    & skf21("4","1","6","1","7","6","5","1") = "6"
    & skf21("4","1","6","1","7","6","6","1") = "6"
    & skf21("4","1","6","1","7","6","7","1") = "6"
    & skf21("4","1","6","1","7","7","1","1") = "6"
    & skf21("4","1","6","1","7","7","2","1") = "6"
    & skf21("4","1","6","1","7","7","3","1") = "6"
    & skf21("4","1","6","1","7","7","4","1") = "6"
    & skf21("4","1","6","1","7","7","5","1") = "6"
    & skf21("4","1","6","1","7","7","6","1") = "6"
    & skf21("4","1","6","1","7","7","7","1") = "6"
    & skf21("4","1","6","2","1","1","1","1") = "5"
    & skf21("4","1","6","2","1","1","2","1") = "5"
    & skf21("4","1","6","2","1","1","3","1") = "5"
    & skf21("4","1","6","2","1","1","4","1") = "5"
    & skf21("4","1","6","2","1","1","5","1") = "5"
    & skf21("4","1","6","2","1","1","6","1") = "5"
    & skf21("4","1","6","2","1","1","7","1") = "6"
    & skf21("4","1","6","2","1","2","1","1") = "5"
    & skf21("4","1","6","2","1","2","2","1") = "5"
    & skf21("4","1","6","2","1","2","3","1") = "5"
    & skf21("4","1","6","2","1","2","4","1") = "5"
    & skf21("4","1","6","2","1","2","5","1") = "5"
    & skf21("4","1","6","2","1","2","6","1") = "5"
    & skf21("4","1","6","2","1","2","7","1") = "6"
    & skf21("4","1","6","2","1","3","1","1") = "5"
    & skf21("4","1","6","2","1","3","2","1") = "5"
    & skf21("4","1","6","2","1","3","3","1") = "5"
    & skf21("4","1","6","2","1","3","4","1") = "5"
    & skf21("4","1","6","2","1","3","5","1") = "5"
    & skf21("4","1","6","2","1","3","6","1") = "5"
    & skf21("4","1","6","2","1","3","7","1") = "6"
    & skf21("4","1","6","2","1","4","1","1") = "5"
    & skf21("4","1","6","2","1","4","2","1") = "5"
    & skf21("4","1","6","2","1","4","3","1") = "5"
    & skf21("4","1","6","2","1","4","4","1") = "5"
    & skf21("4","1","6","2","1","4","5","1") = "5"
    & skf21("4","1","6","2","1","4","6","1") = "5"
    & skf21("4","1","6","2","1","4","7","1") = "6"
    & skf21("4","1","6","2","1","5","1","1") = "5"
    & skf21("4","1","6","2","1","5","2","1") = "5"
    & skf21("4","1","6","2","1","5","3","1") = "5"
    & skf21("4","1","6","2","1","5","4","1") = "5"
    & skf21("4","1","6","2","1","5","5","1") = "5"
    & skf21("4","1","6","2","1","5","6","1") = "5"
    & skf21("4","1","6","2","1","5","7","1") = "6"
    & skf21("4","1","6","2","1","6","1","1") = "5"
    & skf21("4","1","6","2","1","6","2","1") = "5"
    & skf21("4","1","6","2","1","6","3","1") = "5"
    & skf21("4","1","6","2","1","6","4","1") = "5"
    & skf21("4","1","6","2","1","6","5","1") = "5"
    & skf21("4","1","6","2","1","6","6","1") = "5"
    & skf21("4","1","6","2","1","6","7","1") = "6"
    & skf21("4","1","6","2","1","7","1","1") = "6"
    & skf21("4","1","6","2","1","7","2","1") = "6"
    & skf21("4","1","6","2","1","7","3","1") = "6"
    & skf21("4","1","6","2","1","7","4","1") = "6"
    & skf21("4","1","6","2","1","7","5","1") = "6"
    & skf21("4","1","6","2","1","7","6","1") = "6"
    & skf21("4","1","6","2","1","7","7","1") = "6"
    & skf21("4","1","6","2","2","1","1","1") = "5"
    & skf21("4","1","6","2","2","1","2","1") = "5"
    & skf21("4","1","6","2","2","1","3","1") = "5"
    & skf21("4","1","6","2","2","1","4","1") = "5"
    & skf21("4","1","6","2","2","1","5","1") = "5"
    & skf21("4","1","6","2","2","1","6","1") = "5"
    & skf21("4","1","6","2","2","1","7","1") = "6"
    & skf21("4","1","6","2","2","2","1","1") = "5"
    & skf21("4","1","6","2","2","2","2","1") = "5"
    & skf21("4","1","6","2","2","2","3","1") = "5"
    & skf21("4","1","6","2","2","2","4","1") = "5"
    & skf21("4","1","6","2","2","2","5","1") = "5"
    & skf21("4","1","6","2","2","2","6","1") = "5"
    & skf21("4","1","6","2","2","2","7","1") = "6"
    & skf21("4","1","6","2","2","3","1","1") = "5"
    & skf21("4","1","6","2","2","3","2","1") = "5"
    & skf21("4","1","6","2","2","3","3","1") = "5"
    & skf21("4","1","6","2","2","3","4","1") = "5"
    & skf21("4","1","6","2","2","3","5","1") = "5"
    & skf21("4","1","6","2","2","3","6","1") = "5"
    & skf21("4","1","6","2","2","3","7","1") = "6"
    & skf21("4","1","6","2","2","4","1","1") = "5"
    & skf21("4","1","6","2","2","4","2","1") = "5"
    & skf21("4","1","6","2","2","4","3","1") = "5"
    & skf21("4","1","6","2","2","4","4","1") = "5"
    & skf21("4","1","6","2","2","4","5","1") = "5"
    & skf21("4","1","6","2","2","4","6","1") = "5"
    & skf21("4","1","6","2","2","4","7","1") = "6"
    & skf21("4","1","6","2","2","5","1","1") = "5"
    & skf21("4","1","6","2","2","5","2","1") = "5"
    & skf21("4","1","6","2","2","5","3","1") = "5"
    & skf21("4","1","6","2","2","5","4","1") = "5"
    & skf21("4","1","6","2","2","5","5","1") = "5"
    & skf21("4","1","6","2","2","5","6","1") = "5"
    & skf21("4","1","6","2","2","5","7","1") = "6"
    & skf21("4","1","6","2","2","6","1","1") = "5"
    & skf21("4","1","6","2","2","6","2","1") = "5"
    & skf21("4","1","6","2","2","6","3","1") = "5"
    & skf21("4","1","6","2","2","6","4","1") = "5"
    & skf21("4","1","6","2","2","6","5","1") = "5"
    & skf21("4","1","6","2","2","6","6","1") = "5"
    & skf21("4","1","6","2","2","6","7","1") = "6"
    & skf21("4","1","6","2","2","7","1","1") = "6"
    & skf21("4","1","6","2","2","7","2","1") = "6"
    & skf21("4","1","6","2","2","7","3","1") = "6"
    & skf21("4","1","6","2","2","7","4","1") = "6"
    & skf21("4","1","6","2","2","7","5","1") = "6"
    & skf21("4","1","6","2","2","7","6","1") = "6"
    & skf21("4","1","6","2","2","7","7","1") = "6"
    & skf21("4","1","6","2","3","1","1","1") = "5"
    & skf21("4","1","6","2","3","1","2","1") = "5"
    & skf21("4","1","6","2","3","1","3","1") = "5"
    & skf21("4","1","6","2","3","1","4","1") = "5"
    & skf21("4","1","6","2","3","1","5","1") = "5"
    & skf21("4","1","6","2","3","1","6","1") = "5"
    & skf21("4","1","6","2","3","1","7","1") = "6"
    & skf21("4","1","6","2","3","2","1","1") = "5"
    & skf21("4","1","6","2","3","2","2","1") = "5"
    & skf21("4","1","6","2","3","2","3","1") = "5"
    & skf21("4","1","6","2","3","2","4","1") = "5"
    & skf21("4","1","6","2","3","2","5","1") = "5"
    & skf21("4","1","6","2","3","2","6","1") = "5"
    & skf21("4","1","6","2","3","2","7","1") = "6"
    & skf21("4","1","6","2","3","3","1","1") = "5"
    & skf21("4","1","6","2","3","3","2","1") = "5"
    & skf21("4","1","6","2","3","3","3","1") = "5"
    & skf21("4","1","6","2","3","3","4","1") = "5"
    & skf21("4","1","6","2","3","3","5","1") = "5"
    & skf21("4","1","6","2","3","3","6","1") = "5"
    & skf21("4","1","6","2","3","3","7","1") = "6"
    & skf21("4","1","6","2","3","4","1","1") = "5"
    & skf21("4","1","6","2","3","4","2","1") = "5"
    & skf21("4","1","6","2","3","4","3","1") = "5"
    & skf21("4","1","6","2","3","4","4","1") = "5"
    & skf21("4","1","6","2","3","4","5","1") = "5"
    & skf21("4","1","6","2","3","4","6","1") = "5"
    & skf21("4","1","6","2","3","4","7","1") = "6"
    & skf21("4","1","6","2","3","5","1","1") = "5"
    & skf21("4","1","6","2","3","5","2","1") = "5"
    & skf21("4","1","6","2","3","5","3","1") = "5"
    & skf21("4","1","6","2","3","5","4","1") = "5"
    & skf21("4","1","6","2","3","5","5","1") = "5"
    & skf21("4","1","6","2","3","5","6","1") = "5"
    & skf21("4","1","6","2","3","5","7","1") = "6"
    & skf21("4","1","6","2","3","6","1","1") = "5"
    & skf21("4","1","6","2","3","6","2","1") = "5"
    & skf21("4","1","6","2","3","6","3","1") = "5"
    & skf21("4","1","6","2","3","6","4","1") = "5"
    & skf21("4","1","6","2","3","6","5","1") = "5"
    & skf21("4","1","6","2","3","6","6","1") = "5"
    & skf21("4","1","6","2","3","6","7","1") = "6"
    & skf21("4","1","6","2","3","7","1","1") = "6"
    & skf21("4","1","6","2","3","7","2","1") = "6"
    & skf21("4","1","6","2","3","7","3","1") = "6"
    & skf21("4","1","6","2","3","7","4","1") = "6"
    & skf21("4","1","6","2","3","7","5","1") = "6"
    & skf21("4","1","6","2","3","7","6","1") = "6"
    & skf21("4","1","6","2","3","7","7","1") = "6"
    & skf21("4","1","6","2","4","1","1","1") = "5"
    & skf21("4","1","6","2","4","1","2","1") = "5"
    & skf21("4","1","6","2","4","1","3","1") = "5"
    & skf21("4","1","6","2","4","1","4","1") = "5"
    & skf21("4","1","6","2","4","1","5","1") = "5"
    & skf21("4","1","6","2","4","1","6","1") = "5"
    & skf21("4","1","6","2","4","1","7","1") = "6"
    & skf21("4","1","6","2","4","2","1","1") = "5"
    & skf21("4","1","6","2","4","2","2","1") = "5"
    & skf21("4","1","6","2","4","2","3","1") = "5"
    & skf21("4","1","6","2","4","2","4","1") = "5"
    & skf21("4","1","6","2","4","2","5","1") = "5"
    & skf21("4","1","6","2","4","2","6","1") = "5"
    & skf21("4","1","6","2","4","2","7","1") = "6"
    & skf21("4","1","6","2","4","3","1","1") = "5"
    & skf21("4","1","6","2","4","3","2","1") = "5"
    & skf21("4","1","6","2","4","3","3","1") = "5"
    & skf21("4","1","6","2","4","3","4","1") = "5"
    & skf21("4","1","6","2","4","3","5","1") = "5"
    & skf21("4","1","6","2","4","3","6","1") = "5"
    & skf21("4","1","6","2","4","3","7","1") = "6"
    & skf21("4","1","6","2","4","4","1","1") = "5"
    & skf21("4","1","6","2","4","4","2","1") = "5"
    & skf21("4","1","6","2","4","4","3","1") = "5"
    & skf21("4","1","6","2","4","4","4","1") = "5"
    & skf21("4","1","6","2","4","4","5","1") = "5"
    & skf21("4","1","6","2","4","4","6","1") = "5"
    & skf21("4","1","6","2","4","4","7","1") = "6"
    & skf21("4","1","6","2","4","5","1","1") = "5"
    & skf21("4","1","6","2","4","5","2","1") = "5"
    & skf21("4","1","6","2","4","5","3","1") = "5"
    & skf21("4","1","6","2","4","5","4","1") = "5"
    & skf21("4","1","6","2","4","5","5","1") = "5"
    & skf21("4","1","6","2","4","5","6","1") = "5"
    & skf21("4","1","6","2","4","5","7","1") = "6"
    & skf21("4","1","6","2","4","6","1","1") = "5"
    & skf21("4","1","6","2","4","6","2","1") = "5"
    & skf21("4","1","6","2","4","6","3","1") = "5"
    & skf21("4","1","6","2","4","6","4","1") = "5"
    & skf21("4","1","6","2","4","6","5","1") = "5"
    & skf21("4","1","6","2","4","6","6","1") = "5"
    & skf21("4","1","6","2","4","6","7","1") = "6"
    & skf21("4","1","6","2","4","7","1","1") = "6"
    & skf21("4","1","6","2","4","7","2","1") = "6"
    & skf21("4","1","6","2","4","7","3","1") = "6"
    & skf21("4","1","6","2","4","7","4","1") = "6"
    & skf21("4","1","6","2","4","7","5","1") = "6"
    & skf21("4","1","6","2","4","7","6","1") = "6"
    & skf21("4","1","6","2","4","7","7","1") = "6"
    & skf21("4","1","6","2","5","1","1","1") = "5"
    & skf21("4","1","6","2","5","1","2","1") = "5"
    & skf21("4","1","6","2","5","1","3","1") = "5"
    & skf21("4","1","6","2","5","1","4","1") = "5"
    & skf21("4","1","6","2","5","1","5","1") = "5"
    & skf21("4","1","6","2","5","1","6","1") = "5"
    & skf21("4","1","6","2","5","1","7","1") = "6"
    & skf21("4","1","6","2","5","2","1","1") = "5"
    & skf21("4","1","6","2","5","2","2","1") = "5"
    & skf21("4","1","6","2","5","2","3","1") = "5"
    & skf21("4","1","6","2","5","2","4","1") = "5"
    & skf21("4","1","6","2","5","2","5","1") = "5"
    & skf21("4","1","6","2","5","2","6","1") = "5"
    & skf21("4","1","6","2","5","2","7","1") = "6"
    & skf21("4","1","6","2","5","3","1","1") = "5"
    & skf21("4","1","6","2","5","3","2","1") = "5"
    & skf21("4","1","6","2","5","3","3","1") = "5"
    & skf21("4","1","6","2","5","3","4","1") = "5"
    & skf21("4","1","6","2","5","3","5","1") = "5"
    & skf21("4","1","6","2","5","3","6","1") = "5"
    & skf21("4","1","6","2","5","3","7","1") = "6"
    & skf21("4","1","6","2","5","4","1","1") = "5"
    & skf21("4","1","6","2","5","4","2","1") = "5"
    & skf21("4","1","6","2","5","4","3","1") = "5"
    & skf21("4","1","6","2","5","4","4","1") = "5"
    & skf21("4","1","6","2","5","4","5","1") = "5"
    & skf21("4","1","6","2","5","4","6","1") = "5"
    & skf21("4","1","6","2","5","4","7","1") = "6"
    & skf21("4","1","6","2","5","5","1","1") = "5"
    & skf21("4","1","6","2","5","5","2","1") = "5"
    & skf21("4","1","6","2","5","5","3","1") = "5"
    & skf21("4","1","6","2","5","5","4","1") = "5"
    & skf21("4","1","6","2","5","5","5","1") = "5"
    & skf21("4","1","6","2","5","5","6","1") = "5"
    & skf21("4","1","6","2","5","5","7","1") = "6"
    & skf21("4","1","6","2","5","6","1","1") = "5"
    & skf21("4","1","6","2","5","6","2","1") = "5"
    & skf21("4","1","6","2","5","6","3","1") = "5"
    & skf21("4","1","6","2","5","6","4","1") = "5"
    & skf21("4","1","6","2","5","6","5","1") = "5"
    & skf21("4","1","6","2","5","6","6","1") = "5"
    & skf21("4","1","6","2","5","6","7","1") = "6"
    & skf21("4","1","6","2","5","7","1","1") = "6"
    & skf21("4","1","6","2","5","7","2","1") = "6"
    & skf21("4","1","6","2","5","7","3","1") = "6"
    & skf21("4","1","6","2","5","7","4","1") = "6"
    & skf21("4","1","6","2","5","7","5","1") = "6"
    & skf21("4","1","6","2","5","7","6","1") = "6"
    & skf21("4","1","6","2","5","7","7","1") = "6"
    & skf21("4","1","6","2","6","1","1","1") = "5"
    & skf21("4","1","6","2","6","1","2","1") = "5"
    & skf21("4","1","6","2","6","1","3","1") = "5"
    & skf21("4","1","6","2","6","1","4","1") = "5"
    & skf21("4","1","6","2","6","1","5","1") = "5"
    & skf21("4","1","6","2","6","1","6","1") = "5"
    & skf21("4","1","6","2","6","1","7","1") = "6"
    & skf21("4","1","6","2","6","2","1","1") = "5"
    & skf21("4","1","6","2","6","2","2","1") = "5"
    & skf21("4","1","6","2","6","2","3","1") = "5"
    & skf21("4","1","6","2","6","2","4","1") = "5"
    & skf21("4","1","6","2","6","2","5","1") = "5"
    & skf21("4","1","6","2","6","2","6","1") = "5"
    & skf21("4","1","6","2","6","2","7","1") = "6"
    & skf21("4","1","6","2","6","3","1","1") = "5"
    & skf21("4","1","6","2","6","3","2","1") = "5"
    & skf21("4","1","6","2","6","3","3","1") = "5"
    & skf21("4","1","6","2","6","3","4","1") = "5"
    & skf21("4","1","6","2","6","3","5","1") = "5"
    & skf21("4","1","6","2","6","3","6","1") = "5"
    & skf21("4","1","6","2","6","3","7","1") = "6"
    & skf21("4","1","6","2","6","4","1","1") = "5"
    & skf21("4","1","6","2","6","4","2","1") = "5"
    & skf21("4","1","6","2","6","4","3","1") = "5"
    & skf21("4","1","6","2","6","4","4","1") = "5"
    & skf21("4","1","6","2","6","4","5","1") = "5"
    & skf21("4","1","6","2","6","4","6","1") = "5"
    & skf21("4","1","6","2","6","4","7","1") = "6"
    & skf21("4","1","6","2","6","5","1","1") = "5"
    & skf21("4","1","6","2","6","5","2","1") = "5"
    & skf21("4","1","6","2","6","5","3","1") = "5"
    & skf21("4","1","6","2","6","5","4","1") = "5"
    & skf21("4","1","6","2","6","5","5","1") = "5"
    & skf21("4","1","6","2","6","5","6","1") = "5"
    & skf21("4","1","6","2","6","5","7","1") = "6"
    & skf21("4","1","6","2","6","6","1","1") = "5"
    & skf21("4","1","6","2","6","6","2","1") = "5"
    & skf21("4","1","6","2","6","6","3","1") = "5"
    & skf21("4","1","6","2","6","6","4","1") = "5"
    & skf21("4","1","6","2","6","6","5","1") = "5"
    & skf21("4","1","6","2","6","6","6","1") = "5"
    & skf21("4","1","6","2","6","6","7","1") = "6"
    & skf21("4","1","6","2","6","7","1","1") = "6"
    & skf21("4","1","6","2","6","7","2","1") = "6"
    & skf21("4","1","6","2","6","7","3","1") = "6"
    & skf21("4","1","6","2","6","7","4","1") = "6"
    & skf21("4","1","6","2","6","7","5","1") = "6"
    & skf21("4","1","6","2","6","7","6","1") = "6"
    & skf21("4","1","6","2","6","7","7","1") = "6"
    & skf21("4","1","6","2","7","1","1","1") = "6"
    & skf21("4","1","6","2","7","1","2","1") = "6"
    & skf21("4","1","6","2","7","1","3","1") = "6"
    & skf21("4","1","6","2","7","1","4","1") = "6"
    & skf21("4","1","6","2","7","1","5","1") = "6"
    & skf21("4","1","6","2","7","1","6","1") = "6"
    & skf21("4","1","6","2","7","1","7","1") = "6"
    & skf21("4","1","6","2","7","2","1","1") = "6"
    & skf21("4","1","6","2","7","2","2","1") = "6"
    & skf21("4","1","6","2","7","2","3","1") = "6"
    & skf21("4","1","6","2","7","2","4","1") = "6"
    & skf21("4","1","6","2","7","2","5","1") = "6"
    & skf21("4","1","6","2","7","2","6","1") = "6"
    & skf21("4","1","6","2","7","2","7","1") = "6"
    & skf21("4","1","6","2","7","3","1","1") = "6"
    & skf21("4","1","6","2","7","3","2","1") = "6"
    & skf21("4","1","6","2","7","3","3","1") = "6"
    & skf21("4","1","6","2","7","3","4","1") = "6"
    & skf21("4","1","6","2","7","3","5","1") = "6"
    & skf21("4","1","6","2","7","3","6","1") = "6"
    & skf21("4","1","6","2","7","3","7","1") = "6"
    & skf21("4","1","6","2","7","4","1","1") = "6"
    & skf21("4","1","6","2","7","4","2","1") = "6"
    & skf21("4","1","6","2","7","4","3","1") = "6"
    & skf21("4","1","6","2","7","4","4","1") = "6"
    & skf21("4","1","6","2","7","4","5","1") = "6"
    & skf21("4","1","6","2","7","4","6","1") = "6"
    & skf21("4","1","6","2","7","4","7","1") = "6"
    & skf21("4","1","6","2","7","5","1","1") = "6"
    & skf21("4","1","6","2","7","5","2","1") = "6"
    & skf21("4","1","6","2","7","5","3","1") = "6"
    & skf21("4","1","6","2","7","5","4","1") = "6"
    & skf21("4","1","6","2","7","5","5","1") = "6"
    & skf21("4","1","6","2","7","5","6","1") = "6"
    & skf21("4","1","6","2","7","5","7","1") = "6"
    & skf21("4","1","6","2","7","6","1","1") = "6"
    & skf21("4","1","6","2","7","6","2","1") = "6"
    & skf21("4","1","6","2","7","6","3","1") = "6"
    & skf21("4","1","6","2","7","6","4","1") = "6"
    & skf21("4","1","6","2","7","6","5","1") = "6"
    & skf21("4","1","6","2","7","6","6","1") = "6"
    & skf21("4","1","6","2","7","6","7","1") = "6"
    & skf21("4","1","6","2","7","7","1","1") = "6"
    & skf21("4","1","6","2","7","7","2","1") = "6"
    & skf21("4","1","6","2","7","7","3","1") = "6"
    & skf21("4","1","6","2","7","7","4","1") = "6"
    & skf21("4","1","6","2","7","7","5","1") = "6"
    & skf21("4","1","6","2","7","7","6","1") = "6"
    & skf21("4","1","6","2","7","7","7","1") = "6"
    & skf21("4","1","6","3","1","1","1","1") = "5"
    & skf21("4","1","6","3","1","1","2","1") = "5"
    & skf21("4","1","6","3","1","1","3","1") = "5"
    & skf21("4","1","6","3","1","1","4","1") = "5"
    & skf21("4","1","6","3","1","1","5","1") = "5"
    & skf21("4","1","6","3","1","1","6","1") = "5"
    & skf21("4","1","6","3","1","1","7","1") = "6"
    & skf21("4","1","6","3","1","2","1","1") = "5"
    & skf21("4","1","6","3","1","2","2","1") = "5"
    & skf21("4","1","6","3","1","2","3","1") = "5"
    & skf21("4","1","6","3","1","2","4","1") = "5"
    & skf21("4","1","6","3","1","2","5","1") = "5"
    & skf21("4","1","6","3","1","2","6","1") = "5"
    & skf21("4","1","6","3","1","2","7","1") = "6"
    & skf21("4","1","6","3","1","3","1","1") = "5"
    & skf21("4","1","6","3","1","3","2","1") = "5"
    & skf21("4","1","6","3","1","3","3","1") = "5"
    & skf21("4","1","6","3","1","3","4","1") = "5"
    & skf21("4","1","6","3","1","3","5","1") = "5"
    & skf21("4","1","6","3","1","3","6","1") = "5"
    & skf21("4","1","6","3","1","3","7","1") = "6"
    & skf21("4","1","6","3","1","4","1","1") = "5"
    & skf21("4","1","6","3","1","4","2","1") = "5"
    & skf21("4","1","6","3","1","4","3","1") = "5"
    & skf21("4","1","6","3","1","4","4","1") = "5"
    & skf21("4","1","6","3","1","4","5","1") = "5"
    & skf21("4","1","6","3","1","4","6","1") = "5"
    & skf21("4","1","6","3","1","4","7","1") = "6"
    & skf21("4","1","6","3","1","5","1","1") = "5"
    & skf21("4","1","6","3","1","5","2","1") = "5"
    & skf21("4","1","6","3","1","5","3","1") = "5"
    & skf21("4","1","6","3","1","5","4","1") = "5"
    & skf21("4","1","6","3","1","5","5","1") = "5"
    & skf21("4","1","6","3","1","5","6","1") = "5"
    & skf21("4","1","6","3","1","5","7","1") = "6"
    & skf21("4","1","6","3","1","6","1","1") = "5"
    & skf21("4","1","6","3","1","6","2","1") = "5"
    & skf21("4","1","6","3","1","6","3","1") = "5"
    & skf21("4","1","6","3","1","6","4","1") = "5"
    & skf21("4","1","6","3","1","6","5","1") = "5"
    & skf21("4","1","6","3","1","6","6","1") = "5"
    & skf21("4","1","6","3","1","6","7","1") = "6"
    & skf21("4","1","6","3","1","7","1","1") = "6"
    & skf21("4","1","6","3","1","7","2","1") = "6"
    & skf21("4","1","6","3","1","7","3","1") = "6"
    & skf21("4","1","6","3","1","7","4","1") = "6"
    & skf21("4","1","6","3","1","7","5","1") = "6"
    & skf21("4","1","6","3","1","7","6","1") = "6"
    & skf21("4","1","6","3","1","7","7","1") = "6"
    & skf21("4","1","6","3","2","1","1","1") = "5"
    & skf21("4","1","6","3","2","1","2","1") = "5"
    & skf21("4","1","6","3","2","1","3","1") = "5"
    & skf21("4","1","6","3","2","1","4","1") = "5"
    & skf21("4","1","6","3","2","1","5","1") = "5"
    & skf21("4","1","6","3","2","1","6","1") = "5"
    & skf21("4","1","6","3","2","1","7","1") = "6"
    & skf21("4","1","6","3","2","2","1","1") = "5"
    & skf21("4","1","6","3","2","2","2","1") = "5"
    & skf21("4","1","6","3","2","2","3","1") = "5"
    & skf21("4","1","6","3","2","2","4","1") = "5"
    & skf21("4","1","6","3","2","2","5","1") = "5"
    & skf21("4","1","6","3","2","2","6","1") = "5"
    & skf21("4","1","6","3","2","2","7","1") = "6"
    & skf21("4","1","6","3","2","3","1","1") = "5"
    & skf21("4","1","6","3","2","3","2","1") = "5"
    & skf21("4","1","6","3","2","3","3","1") = "5"
    & skf21("4","1","6","3","2","3","4","1") = "5"
    & skf21("4","1","6","3","2","3","5","1") = "5"
    & skf21("4","1","6","3","2","3","6","1") = "5"
    & skf21("4","1","6","3","2","3","7","1") = "6"
    & skf21("4","1","6","3","2","4","1","1") = "5"
    & skf21("4","1","6","3","2","4","2","1") = "5"
    & skf21("4","1","6","3","2","4","3","1") = "5"
    & skf21("4","1","6","3","2","4","4","1") = "5"
    & skf21("4","1","6","3","2","4","5","1") = "5"
    & skf21("4","1","6","3","2","4","6","1") = "5"
    & skf21("4","1","6","3","2","4","7","1") = "6"
    & skf21("4","1","6","3","2","5","1","1") = "5"
    & skf21("4","1","6","3","2","5","2","1") = "5"
    & skf21("4","1","6","3","2","5","3","1") = "5"
    & skf21("4","1","6","3","2","5","4","1") = "5"
    & skf21("4","1","6","3","2","5","5","1") = "5"
    & skf21("4","1","6","3","2","5","6","1") = "5"
    & skf21("4","1","6","3","2","5","7","1") = "6"
    & skf21("4","1","6","3","2","6","1","1") = "5"
    & skf21("4","1","6","3","2","6","2","1") = "5"
    & skf21("4","1","6","3","2","6","3","1") = "5"
    & skf21("4","1","6","3","2","6","4","1") = "5"
    & skf21("4","1","6","3","2","6","5","1") = "5"
    & skf21("4","1","6","3","2","6","6","1") = "5"
    & skf21("4","1","6","3","2","6","7","1") = "6"
    & skf21("4","1","6","3","2","7","1","1") = "6"
    & skf21("4","1","6","3","2","7","2","1") = "6"
    & skf21("4","1","6","3","2","7","3","1") = "6"
    & skf21("4","1","6","3","2","7","4","1") = "6"
    & skf21("4","1","6","3","2","7","5","1") = "6"
    & skf21("4","1","6","3","2","7","6","1") = "6"
    & skf21("4","1","6","3","2","7","7","1") = "6"
    & skf21("4","1","6","3","3","1","1","1") = "5"
    & skf21("4","1","6","3","3","1","2","1") = "5"
    & skf21("4","1","6","3","3","1","3","1") = "5"
    & skf21("4","1","6","3","3","1","4","1") = "5"
    & skf21("4","1","6","3","3","1","5","1") = "5"
    & skf21("4","1","6","3","3","1","6","1") = "5"
    & skf21("4","1","6","3","3","1","7","1") = "6"
    & skf21("4","1","6","3","3","2","1","1") = "5"
    & skf21("4","1","6","3","3","2","2","1") = "5"
    & skf21("4","1","6","3","3","2","3","1") = "5"
    & skf21("4","1","6","3","3","2","4","1") = "5"
    & skf21("4","1","6","3","3","2","5","1") = "5"
    & skf21("4","1","6","3","3","2","6","1") = "5"
    & skf21("4","1","6","3","3","2","7","1") = "6"
    & skf21("4","1","6","3","3","3","1","1") = "5"
    & skf21("4","1","6","3","3","3","2","1") = "5"
    & skf21("4","1","6","3","3","3","3","1") = "5"
    & skf21("4","1","6","3","3","3","4","1") = "5"
    & skf21("4","1","6","3","3","3","5","1") = "5"
    & skf21("4","1","6","3","3","3","6","1") = "5"
    & skf21("4","1","6","3","3","3","7","1") = "6"
    & skf21("4","1","6","3","3","4","1","1") = "5"
    & skf21("4","1","6","3","3","4","2","1") = "5"
    & skf21("4","1","6","3","3","4","3","1") = "5"
    & skf21("4","1","6","3","3","4","4","1") = "5"
    & skf21("4","1","6","3","3","4","5","1") = "5"
    & skf21("4","1","6","3","3","4","6","1") = "5"
    & skf21("4","1","6","3","3","4","7","1") = "6"
    & skf21("4","1","6","3","3","5","1","1") = "5"
    & skf21("4","1","6","3","3","5","2","1") = "5"
    & skf21("4","1","6","3","3","5","3","1") = "5"
    & skf21("4","1","6","3","3","5","4","1") = "5"
    & skf21("4","1","6","3","3","5","5","1") = "5"
    & skf21("4","1","6","3","3","5","6","1") = "5"
    & skf21("4","1","6","3","3","5","7","1") = "6"
    & skf21("4","1","6","3","3","6","1","1") = "5"
    & skf21("4","1","6","3","3","6","2","1") = "5"
    & skf21("4","1","6","3","3","6","3","1") = "5"
    & skf21("4","1","6","3","3","6","4","1") = "5"
    & skf21("4","1","6","3","3","6","5","1") = "5"
    & skf21("4","1","6","3","3","6","6","1") = "5"
    & skf21("4","1","6","3","3","6","7","1") = "6"
    & skf21("4","1","6","3","3","7","1","1") = "6"
    & skf21("4","1","6","3","3","7","2","1") = "6"
    & skf21("4","1","6","3","3","7","3","1") = "6"
    & skf21("4","1","6","3","3","7","4","1") = "6"
    & skf21("4","1","6","3","3","7","5","1") = "6"
    & skf21("4","1","6","3","3","7","6","1") = "6"
    & skf21("4","1","6","3","3","7","7","1") = "6"
    & skf21("4","1","6","3","4","1","1","1") = "5"
    & skf21("4","1","6","3","4","1","2","1") = "5"
    & skf21("4","1","6","3","4","1","3","1") = "5"
    & skf21("4","1","6","3","4","1","4","1") = "5"
    & skf21("4","1","6","3","4","1","5","1") = "5"
    & skf21("4","1","6","3","4","1","6","1") = "5"
    & skf21("4","1","6","3","4","1","7","1") = "6"
    & skf21("4","1","6","3","4","2","1","1") = "5"
    & skf21("4","1","6","3","4","2","2","1") = "5"
    & skf21("4","1","6","3","4","2","3","1") = "5"
    & skf21("4","1","6","3","4","2","4","1") = "5"
    & skf21("4","1","6","3","4","2","5","1") = "5"
    & skf21("4","1","6","3","4","2","6","1") = "5"
    & skf21("4","1","6","3","4","2","7","1") = "6"
    & skf21("4","1","6","3","4","3","1","1") = "5"
    & skf21("4","1","6","3","4","3","2","1") = "5"
    & skf21("4","1","6","3","4","3","3","1") = "5"
    & skf21("4","1","6","3","4","3","4","1") = "5"
    & skf21("4","1","6","3","4","3","5","1") = "5"
    & skf21("4","1","6","3","4","3","6","1") = "5"
    & skf21("4","1","6","3","4","3","7","1") = "6"
    & skf21("4","1","6","3","4","4","1","1") = "5"
    & skf21("4","1","6","3","4","4","2","1") = "5"
    & skf21("4","1","6","3","4","4","3","1") = "5"
    & skf21("4","1","6","3","4","4","4","1") = "5"
    & skf21("4","1","6","3","4","4","5","1") = "5"
    & skf21("4","1","6","3","4","4","6","1") = "5"
    & skf21("4","1","6","3","4","4","7","1") = "6"
    & skf21("4","1","6","3","4","5","1","1") = "5"
    & skf21("4","1","6","3","4","5","2","1") = "5"
    & skf21("4","1","6","3","4","5","3","1") = "5"
    & skf21("4","1","6","3","4","5","4","1") = "5"
    & skf21("4","1","6","3","4","5","5","1") = "5"
    & skf21("4","1","6","3","4","5","6","1") = "5"
    & skf21("4","1","6","3","4","5","7","1") = "6"
    & skf21("4","1","6","3","4","6","1","1") = "5"
    & skf21("4","1","6","3","4","6","2","1") = "5"
    & skf21("4","1","6","3","4","6","3","1") = "5"
    & skf21("4","1","6","3","4","6","4","1") = "5"
    & skf21("4","1","6","3","4","6","5","1") = "5"
    & skf21("4","1","6","3","4","6","6","1") = "5"
    & skf21("4","1","6","3","4","6","7","1") = "6"
    & skf21("4","1","6","3","4","7","1","1") = "6"
    & skf21("4","1","6","3","4","7","2","1") = "6"
    & skf21("4","1","6","3","4","7","3","1") = "6"
    & skf21("4","1","6","3","4","7","4","1") = "6"
    & skf21("4","1","6","3","4","7","5","1") = "6"
    & skf21("4","1","6","3","4","7","6","1") = "6"
    & skf21("4","1","6","3","4","7","7","1") = "6"
    & skf21("4","1","6","3","5","1","1","1") = "5"
    & skf21("4","1","6","3","5","1","2","1") = "5"
    & skf21("4","1","6","3","5","1","3","1") = "5"
    & skf21("4","1","6","3","5","1","4","1") = "5"
    & skf21("4","1","6","3","5","1","5","1") = "5"
    & skf21("4","1","6","3","5","1","6","1") = "5"
    & skf21("4","1","6","3","5","1","7","1") = "6"
    & skf21("4","1","6","3","5","2","1","1") = "5"
    & skf21("4","1","6","3","5","2","2","1") = "5"
    & skf21("4","1","6","3","5","2","3","1") = "5"
    & skf21("4","1","6","3","5","2","4","1") = "5"
    & skf21("4","1","6","3","5","2","5","1") = "5"
    & skf21("4","1","6","3","5","2","6","1") = "5"
    & skf21("4","1","6","3","5","2","7","1") = "6"
    & skf21("4","1","6","3","5","3","1","1") = "5"
    & skf21("4","1","6","3","5","3","2","1") = "5"
    & skf21("4","1","6","3","5","3","3","1") = "5"
    & skf21("4","1","6","3","5","3","4","1") = "5"
    & skf21("4","1","6","3","5","3","5","1") = "5"
    & skf21("4","1","6","3","5","3","6","1") = "5"
    & skf21("4","1","6","3","5","3","7","1") = "6"
    & skf21("4","1","6","3","5","4","1","1") = "5"
    & skf21("4","1","6","3","5","4","2","1") = "5"
    & skf21("4","1","6","3","5","4","3","1") = "5"
    & skf21("4","1","6","3","5","4","4","1") = "5"
    & skf21("4","1","6","3","5","4","5","1") = "5"
    & skf21("4","1","6","3","5","4","6","1") = "5"
    & skf21("4","1","6","3","5","4","7","1") = "6"
    & skf21("4","1","6","3","5","5","1","1") = "5"
    & skf21("4","1","6","3","5","5","2","1") = "5"
    & skf21("4","1","6","3","5","5","3","1") = "5"
    & skf21("4","1","6","3","5","5","4","1") = "5"
    & skf21("4","1","6","3","5","5","5","1") = "5"
    & skf21("4","1","6","3","5","5","6","1") = "5"
    & skf21("4","1","6","3","5","5","7","1") = "6"
    & skf21("4","1","6","3","5","6","1","1") = "5"
    & skf21("4","1","6","3","5","6","2","1") = "5"
    & skf21("4","1","6","3","5","6","3","1") = "5"
    & skf21("4","1","6","3","5","6","4","1") = "5"
    & skf21("4","1","6","3","5","6","5","1") = "5"
    & skf21("4","1","6","3","5","6","6","1") = "5"
    & skf21("4","1","6","3","5","6","7","1") = "6"
    & skf21("4","1","6","3","5","7","1","1") = "6"
    & skf21("4","1","6","3","5","7","2","1") = "6"
    & skf21("4","1","6","3","5","7","3","1") = "6"
    & skf21("4","1","6","3","5","7","4","1") = "6"
    & skf21("4","1","6","3","5","7","5","1") = "6"
    & skf21("4","1","6","3","5","7","6","1") = "6"
    & skf21("4","1","6","3","5","7","7","1") = "6"
    & skf21("4","1","6","3","6","1","1","1") = "5"
    & skf21("4","1","6","3","6","1","2","1") = "5"
    & skf21("4","1","6","3","6","1","3","1") = "5"
    & skf21("4","1","6","3","6","1","4","1") = "5"
    & skf21("4","1","6","3","6","1","5","1") = "5"
    & skf21("4","1","6","3","6","1","6","1") = "5"
    & skf21("4","1","6","3","6","1","7","1") = "6"
    & skf21("4","1","6","3","6","2","1","1") = "5"
    & skf21("4","1","6","3","6","2","2","1") = "5"
    & skf21("4","1","6","3","6","2","3","1") = "5"
    & skf21("4","1","6","3","6","2","4","1") = "5"
    & skf21("4","1","6","3","6","2","5","1") = "5"
    & skf21("4","1","6","3","6","2","6","1") = "5"
    & skf21("4","1","6","3","6","2","7","1") = "6"
    & skf21("4","1","6","3","6","3","1","1") = "5"
    & skf21("4","1","6","3","6","3","2","1") = "5"
    & skf21("4","1","6","3","6","3","3","1") = "5"
    & skf21("4","1","6","3","6","3","4","1") = "5"
    & skf21("4","1","6","3","6","3","5","1") = "5"
    & skf21("4","1","6","3","6","3","6","1") = "5"
    & skf21("4","1","6","3","6","3","7","1") = "6"
    & skf21("4","1","6","3","6","4","1","1") = "5"
    & skf21("4","1","6","3","6","4","2","1") = "5"
    & skf21("4","1","6","3","6","4","3","1") = "5"
    & skf21("4","1","6","3","6","4","4","1") = "5"
    & skf21("4","1","6","3","6","4","5","1") = "5"
    & skf21("4","1","6","3","6","4","6","1") = "5"
    & skf21("4","1","6","3","6","4","7","1") = "6"
    & skf21("4","1","6","3","6","5","1","1") = "5"
    & skf21("4","1","6","3","6","5","2","1") = "5"
    & skf21("4","1","6","3","6","5","3","1") = "5"
    & skf21("4","1","6","3","6","5","4","1") = "5"
    & skf21("4","1","6","3","6","5","5","1") = "5"
    & skf21("4","1","6","3","6","5","6","1") = "5"
    & skf21("4","1","6","3","6","5","7","1") = "6"
    & skf21("4","1","6","3","6","6","1","1") = "5"
    & skf21("4","1","6","3","6","6","2","1") = "5"
    & skf21("4","1","6","3","6","6","3","1") = "5"
    & skf21("4","1","6","3","6","6","4","1") = "5"
    & skf21("4","1","6","3","6","6","5","1") = "5"
    & skf21("4","1","6","3","6","6","6","1") = "5"
    & skf21("4","1","6","3","6","6","7","1") = "6"
    & skf21("4","1","6","3","6","7","1","1") = "6"
    & skf21("4","1","6","3","6","7","2","1") = "6"
    & skf21("4","1","6","3","6","7","3","1") = "6"
    & skf21("4","1","6","3","6","7","4","1") = "6"
    & skf21("4","1","6","3","6","7","5","1") = "6"
    & skf21("4","1","6","3","6","7","6","1") = "6"
    & skf21("4","1","6","3","6","7","7","1") = "6"
    & skf21("4","1","6","3","7","1","1","1") = "6"
    & skf21("4","1","6","3","7","1","2","1") = "6"
    & skf21("4","1","6","3","7","1","3","1") = "6"
    & skf21("4","1","6","3","7","1","4","1") = "6"
    & skf21("4","1","6","3","7","1","5","1") = "6"
    & skf21("4","1","6","3","7","1","6","1") = "6"
    & skf21("4","1","6","3","7","1","7","1") = "6"
    & skf21("4","1","6","3","7","2","1","1") = "6"
    & skf21("4","1","6","3","7","2","2","1") = "6"
    & skf21("4","1","6","3","7","2","3","1") = "6"
    & skf21("4","1","6","3","7","2","4","1") = "6"
    & skf21("4","1","6","3","7","2","5","1") = "6"
    & skf21("4","1","6","3","7","2","6","1") = "6"
    & skf21("4","1","6","3","7","2","7","1") = "6"
    & skf21("4","1","6","3","7","3","1","1") = "6"
    & skf21("4","1","6","3","7","3","2","1") = "6"
    & skf21("4","1","6","3","7","3","3","1") = "6"
    & skf21("4","1","6","3","7","3","4","1") = "6"
    & skf21("4","1","6","3","7","3","5","1") = "6"
    & skf21("4","1","6","3","7","3","6","1") = "6"
    & skf21("4","1","6","3","7","3","7","1") = "6"
    & skf21("4","1","6","3","7","4","1","1") = "6"
    & skf21("4","1","6","3","7","4","2","1") = "6"
    & skf21("4","1","6","3","7","4","3","1") = "6"
    & skf21("4","1","6","3","7","4","4","1") = "6"
    & skf21("4","1","6","3","7","4","5","1") = "6"
    & skf21("4","1","6","3","7","4","6","1") = "6"
    & skf21("4","1","6","3","7","4","7","1") = "6"
    & skf21("4","1","6","3","7","5","1","1") = "6"
    & skf21("4","1","6","3","7","5","2","1") = "6"
    & skf21("4","1","6","3","7","5","3","1") = "6"
    & skf21("4","1","6","3","7","5","4","1") = "6"
    & skf21("4","1","6","3","7","5","5","1") = "6"
    & skf21("4","1","6","3","7","5","6","1") = "6"
    & skf21("4","1","6","3","7","5","7","1") = "6"
    & skf21("4","1","6","3","7","6","1","1") = "6"
    & skf21("4","1","6","3","7","6","2","1") = "6"
    & skf21("4","1","6","3","7","6","3","1") = "6"
    & skf21("4","1","6","3","7","6","4","1") = "6"
    & skf21("4","1","6","3","7","6","5","1") = "6"
    & skf21("4","1","6","3","7","6","6","1") = "6"
    & skf21("4","1","6","3","7","6","7","1") = "6"
    & skf21("4","1","6","3","7","7","1","1") = "6"
    & skf21("4","1","6","3","7","7","2","1") = "6"
    & skf21("4","1","6","3","7","7","3","1") = "6"
    & skf21("4","1","6","3","7","7","4","1") = "6"
    & skf21("4","1","6","3","7","7","5","1") = "6"
    & skf21("4","1","6","3","7","7","6","1") = "6"
    & skf21("4","1","6","3","7","7","7","1") = "6"
    & skf21("4","1","6","4","1","1","1","1") = "5"
    & skf21("4","1","6","4","1","1","2","1") = "5"
    & skf21("4","1","6","4","1","1","3","1") = "5"
    & skf21("4","1","6","4","1","1","4","1") = "5"
    & skf21("4","1","6","4","1","1","5","1") = "5"
    & skf21("4","1","6","4","1","1","6","1") = "5"
    & skf21("4","1","6","4","1","1","7","1") = "6"
    & skf21("4","1","6","4","1","2","1","1") = "5"
    & skf21("4","1","6","4","1","2","2","1") = "5"
    & skf21("4","1","6","4","1","2","3","1") = "5"
    & skf21("4","1","6","4","1","2","4","1") = "5"
    & skf21("4","1","6","4","1","2","5","1") = "5"
    & skf21("4","1","6","4","1","2","6","1") = "5"
    & skf21("4","1","6","4","1","2","7","1") = "6"
    & skf21("4","1","6","4","1","3","1","1") = "5"
    & skf21("4","1","6","4","1","3","2","1") = "5"
    & skf21("4","1","6","4","1","3","3","1") = "5"
    & skf21("4","1","6","4","1","3","4","1") = "5"
    & skf21("4","1","6","4","1","3","5","1") = "5"
    & skf21("4","1","6","4","1","3","6","1") = "5"
    & skf21("4","1","6","4","1","3","7","1") = "6"
    & skf21("4","1","6","4","1","4","1","1") = "5"
    & skf21("4","1","6","4","1","4","2","1") = "5"
    & skf21("4","1","6","4","1","4","3","1") = "5"
    & skf21("4","1","6","4","1","4","4","1") = "5"
    & skf21("4","1","6","4","1","4","5","1") = "5"
    & skf21("4","1","6","4","1","4","6","1") = "5"
    & skf21("4","1","6","4","1","4","7","1") = "6"
    & skf21("4","1","6","4","1","5","1","1") = "5"
    & skf21("4","1","6","4","1","5","2","1") = "5"
    & skf21("4","1","6","4","1","5","3","1") = "5"
    & skf21("4","1","6","4","1","5","4","1") = "5"
    & skf21("4","1","6","4","1","5","5","1") = "5"
    & skf21("4","1","6","4","1","5","6","1") = "5"
    & skf21("4","1","6","4","1","5","7","1") = "6"
    & skf21("4","1","6","4","1","6","1","1") = "5"
    & skf21("4","1","6","4","1","6","2","1") = "5"
    & skf21("4","1","6","4","1","6","3","1") = "5"
    & skf21("4","1","6","4","1","6","4","1") = "5"
    & skf21("4","1","6","4","1","6","5","1") = "5"
    & skf21("4","1","6","4","1","6","6","1") = "5"
    & skf21("4","1","6","4","1","6","7","1") = "6"
    & skf21("4","1","6","4","1","7","1","1") = "6"
    & skf21("4","1","6","4","1","7","2","1") = "6"
    & skf21("4","1","6","4","1","7","3","1") = "6"
    & skf21("4","1","6","4","1","7","4","1") = "6"
    & skf21("4","1","6","4","1","7","5","1") = "6"
    & skf21("4","1","6","4","1","7","6","1") = "6"
    & skf21("4","1","6","4","1","7","7","1") = "6"
    & skf21("4","1","6","4","2","1","1","1") = "5"
    & skf21("4","1","6","4","2","1","2","1") = "5"
    & skf21("4","1","6","4","2","1","3","1") = "5"
    & skf21("4","1","6","4","2","1","4","1") = "5"
    & skf21("4","1","6","4","2","1","5","1") = "5"
    & skf21("4","1","6","4","2","1","6","1") = "5"
    & skf21("4","1","6","4","2","1","7","1") = "6"
    & skf21("4","1","6","4","2","2","1","1") = "5"
    & skf21("4","1","6","4","2","2","2","1") = "5"
    & skf21("4","1","6","4","2","2","3","1") = "5"
    & skf21("4","1","6","4","2","2","4","1") = "5"
    & skf21("4","1","6","4","2","2","5","1") = "5"
    & skf21("4","1","6","4","2","2","6","1") = "5"
    & skf21("4","1","6","4","2","2","7","1") = "6"
    & skf21("4","1","6","4","2","3","1","1") = "5"
    & skf21("4","1","6","4","2","3","2","1") = "5"
    & skf21("4","1","6","4","2","3","3","1") = "5"
    & skf21("4","1","6","4","2","3","4","1") = "5"
    & skf21("4","1","6","4","2","3","5","1") = "5"
    & skf21("4","1","6","4","2","3","6","1") = "5"
    & skf21("4","1","6","4","2","3","7","1") = "6"
    & skf21("4","1","6","4","2","4","1","1") = "5"
    & skf21("4","1","6","4","2","4","2","1") = "5"
    & skf21("4","1","6","4","2","4","3","1") = "5"
    & skf21("4","1","6","4","2","4","4","1") = "5"
    & skf21("4","1","6","4","2","4","5","1") = "5"
    & skf21("4","1","6","4","2","4","6","1") = "5"
    & skf21("4","1","6","4","2","4","7","1") = "6"
    & skf21("4","1","6","4","2","5","1","1") = "5"
    & skf21("4","1","6","4","2","5","2","1") = "5"
    & skf21("4","1","6","4","2","5","3","1") = "5"
    & skf21("4","1","6","4","2","5","4","1") = "5"
    & skf21("4","1","6","4","2","5","5","1") = "5"
    & skf21("4","1","6","4","2","5","6","1") = "5"
    & skf21("4","1","6","4","2","5","7","1") = "6"
    & skf21("4","1","6","4","2","6","1","1") = "5"
    & skf21("4","1","6","4","2","6","2","1") = "5"
    & skf21("4","1","6","4","2","6","3","1") = "5"
    & skf21("4","1","6","4","2","6","4","1") = "5"
    & skf21("4","1","6","4","2","6","5","1") = "5"
    & skf21("4","1","6","4","2","6","6","1") = "5"
    & skf21("4","1","6","4","2","6","7","1") = "6"
    & skf21("4","1","6","4","2","7","1","1") = "6"
    & skf21("4","1","6","4","2","7","2","1") = "6"
    & skf21("4","1","6","4","2","7","3","1") = "6"
    & skf21("4","1","6","4","2","7","4","1") = "6"
    & skf21("4","1","6","4","2","7","5","1") = "6"
    & skf21("4","1","6","4","2","7","6","1") = "6"
    & skf21("4","1","6","4","2","7","7","1") = "6"
    & skf21("4","1","6","4","3","1","1","1") = "5"
    & skf21("4","1","6","4","3","1","2","1") = "5"
    & skf21("4","1","6","4","3","1","3","1") = "5"
    & skf21("4","1","6","4","3","1","4","1") = "5"
    & skf21("4","1","6","4","3","1","5","1") = "5"
    & skf21("4","1","6","4","3","1","6","1") = "5"
    & skf21("4","1","6","4","3","1","7","1") = "6"
    & skf21("4","1","6","4","3","2","1","1") = "5"
    & skf21("4","1","6","4","3","2","2","1") = "5"
    & skf21("4","1","6","4","3","2","3","1") = "5"
    & skf21("4","1","6","4","3","2","4","1") = "5"
    & skf21("4","1","6","4","3","2","5","1") = "5"
    & skf21("4","1","6","4","3","2","6","1") = "5"
    & skf21("4","1","6","4","3","2","7","1") = "6"
    & skf21("4","1","6","4","3","3","1","1") = "5"
    & skf21("4","1","6","4","3","3","2","1") = "5"
    & skf21("4","1","6","4","3","3","3","1") = "5"
    & skf21("4","1","6","4","3","3","4","1") = "5"
    & skf21("4","1","6","4","3","3","5","1") = "5"
    & skf21("4","1","6","4","3","3","6","1") = "5"
    & skf21("4","1","6","4","3","3","7","1") = "6"
    & skf21("4","1","6","4","3","4","1","1") = "5"
    & skf21("4","1","6","4","3","4","2","1") = "5"
    & skf21("4","1","6","4","3","4","3","1") = "5"
    & skf21("4","1","6","4","3","4","4","1") = "5"
    & skf21("4","1","6","4","3","4","5","1") = "5"
    & skf21("4","1","6","4","3","4","6","1") = "5"
    & skf21("4","1","6","4","3","4","7","1") = "6"
    & skf21("4","1","6","4","3","5","1","1") = "5"
    & skf21("4","1","6","4","3","5","2","1") = "5"
    & skf21("4","1","6","4","3","5","3","1") = "5"
    & skf21("4","1","6","4","3","5","4","1") = "5"
    & skf21("4","1","6","4","3","5","5","1") = "5"
    & skf21("4","1","6","4","3","5","6","1") = "5"
    & skf21("4","1","6","4","3","5","7","1") = "6"
    & skf21("4","1","6","4","3","6","1","1") = "5"
    & skf21("4","1","6","4","3","6","2","1") = "5"
    & skf21("4","1","6","4","3","6","3","1") = "5"
    & skf21("4","1","6","4","3","6","4","1") = "5"
    & skf21("4","1","6","4","3","6","5","1") = "5"
    & skf21("4","1","6","4","3","6","6","1") = "5"
    & skf21("4","1","6","4","3","6","7","1") = "6"
    & skf21("4","1","6","4","3","7","1","1") = "6"
    & skf21("4","1","6","4","3","7","2","1") = "6"
    & skf21("4","1","6","4","3","7","3","1") = "6"
    & skf21("4","1","6","4","3","7","4","1") = "6"
    & skf21("4","1","6","4","3","7","5","1") = "6"
    & skf21("4","1","6","4","3","7","6","1") = "6"
    & skf21("4","1","6","4","3","7","7","1") = "6"
    & skf21("4","1","6","4","4","1","1","1") = "5"
    & skf21("4","1","6","4","4","1","2","1") = "5"
    & skf21("4","1","6","4","4","1","3","1") = "5"
    & skf21("4","1","6","4","4","1","4","1") = "5"
    & skf21("4","1","6","4","4","1","5","1") = "5"
    & skf21("4","1","6","4","4","1","6","1") = "5"
    & skf21("4","1","6","4","4","1","7","1") = "6"
    & skf21("4","1","6","4","4","2","1","1") = "5"
    & skf21("4","1","6","4","4","2","2","1") = "5"
    & skf21("4","1","6","4","4","2","3","1") = "5"
    & skf21("4","1","6","4","4","2","4","1") = "5"
    & skf21("4","1","6","4","4","2","5","1") = "5"
    & skf21("4","1","6","4","4","2","6","1") = "5"
    & skf21("4","1","6","4","4","2","7","1") = "6"
    & skf21("4","1","6","4","4","3","1","1") = "5"
    & skf21("4","1","6","4","4","3","2","1") = "5"
    & skf21("4","1","6","4","4","3","3","1") = "5"
    & skf21("4","1","6","4","4","3","4","1") = "5"
    & skf21("4","1","6","4","4","3","5","1") = "5"
    & skf21("4","1","6","4","4","3","6","1") = "5"
    & skf21("4","1","6","4","4","3","7","1") = "6"
    & skf21("4","1","6","4","4","4","1","1") = "5"
    & skf21("4","1","6","4","4","4","2","1") = "5"
    & skf21("4","1","6","4","4","4","3","1") = "5"
    & skf21("4","1","6","4","4","4","4","1") = "5"
    & skf21("4","1","6","4","4","4","5","1") = "5"
    & skf21("4","1","6","4","4","4","6","1") = "5"
    & skf21("4","1","6","4","4","4","7","1") = "6"
    & skf21("4","1","6","4","4","5","1","1") = "5"
    & skf21("4","1","6","4","4","5","2","1") = "5"
    & skf21("4","1","6","4","4","5","3","1") = "5"
    & skf21("4","1","6","4","4","5","4","1") = "5"
    & skf21("4","1","6","4","4","5","5","1") = "5"
    & skf21("4","1","6","4","4","5","6","1") = "5"
    & skf21("4","1","6","4","4","5","7","1") = "6"
    & skf21("4","1","6","4","4","6","1","1") = "5"
    & skf21("4","1","6","4","4","6","2","1") = "5"
    & skf21("4","1","6","4","4","6","3","1") = "5"
    & skf21("4","1","6","4","4","6","4","1") = "5"
    & skf21("4","1","6","4","4","6","5","1") = "5"
    & skf21("4","1","6","4","4","6","6","1") = "5"
    & skf21("4","1","6","4","4","6","7","1") = "6"
    & skf21("4","1","6","4","4","7","1","1") = "6"
    & skf21("4","1","6","4","4","7","2","1") = "6"
    & skf21("4","1","6","4","4","7","3","1") = "6"
    & skf21("4","1","6","4","4","7","4","1") = "6"
    & skf21("4","1","6","4","4","7","5","1") = "6"
    & skf21("4","1","6","4","4","7","6","1") = "6"
    & skf21("4","1","6","4","4","7","7","1") = "6"
    & skf21("4","1","6","4","5","1","1","1") = "5"
    & skf21("4","1","6","4","5","1","2","1") = "5"
    & skf21("4","1","6","4","5","1","3","1") = "5"
    & skf21("4","1","6","4","5","1","4","1") = "5"
    & skf21("4","1","6","4","5","1","5","1") = "5"
    & skf21("4","1","6","4","5","1","6","1") = "5"
    & skf21("4","1","6","4","5","1","7","1") = "6"
    & skf21("4","1","6","4","5","2","1","1") = "5"
    & skf21("4","1","6","4","5","2","2","1") = "5"
    & skf21("4","1","6","4","5","2","3","1") = "5"
    & skf21("4","1","6","4","5","2","4","1") = "5"
    & skf21("4","1","6","4","5","2","5","1") = "5"
    & skf21("4","1","6","4","5","2","6","1") = "5"
    & skf21("4","1","6","4","5","2","7","1") = "6"
    & skf21("4","1","6","4","5","3","1","1") = "5"
    & skf21("4","1","6","4","5","3","2","1") = "5"
    & skf21("4","1","6","4","5","3","3","1") = "5"
    & skf21("4","1","6","4","5","3","4","1") = "5"
    & skf21("4","1","6","4","5","3","5","1") = "5"
    & skf21("4","1","6","4","5","3","6","1") = "5"
    & skf21("4","1","6","4","5","3","7","1") = "6"
    & skf21("4","1","6","4","5","4","1","1") = "5"
    & skf21("4","1","6","4","5","4","2","1") = "5"
    & skf21("4","1","6","4","5","4","3","1") = "5"
    & skf21("4","1","6","4","5","4","4","1") = "5"
    & skf21("4","1","6","4","5","4","5","1") = "5"
    & skf21("4","1","6","4","5","4","6","1") = "5"
    & skf21("4","1","6","4","5","4","7","1") = "6"
    & skf21("4","1","6","4","5","5","1","1") = "5"
    & skf21("4","1","6","4","5","5","2","1") = "5"
    & skf21("4","1","6","4","5","5","3","1") = "5"
    & skf21("4","1","6","4","5","5","4","1") = "5"
    & skf21("4","1","6","4","5","5","5","1") = "5"
    & skf21("4","1","6","4","5","5","6","1") = "5"
    & skf21("4","1","6","4","5","5","7","1") = "6"
    & skf21("4","1","6","4","5","6","1","1") = "5"
    & skf21("4","1","6","4","5","6","2","1") = "5"
    & skf21("4","1","6","4","5","6","3","1") = "5"
    & skf21("4","1","6","4","5","6","4","1") = "5"
    & skf21("4","1","6","4","5","6","5","1") = "5"
    & skf21("4","1","6","4","5","6","6","1") = "5"
    & skf21("4","1","6","4","5","6","7","1") = "6"
    & skf21("4","1","6","4","5","7","1","1") = "6"
    & skf21("4","1","6","4","5","7","2","1") = "6"
    & skf21("4","1","6","4","5","7","3","1") = "6"
    & skf21("4","1","6","4","5","7","4","1") = "6"
    & skf21("4","1","6","4","5","7","5","1") = "6"
    & skf21("4","1","6","4","5","7","6","1") = "6"
    & skf21("4","1","6","4","5","7","7","1") = "6"
    & skf21("4","1","6","4","6","1","1","1") = "5"
    & skf21("4","1","6","4","6","1","2","1") = "5"
    & skf21("4","1","6","4","6","1","3","1") = "5"
    & skf21("4","1","6","4","6","1","4","1") = "5"
    & skf21("4","1","6","4","6","1","5","1") = "5"
    & skf21("4","1","6","4","6","1","6","1") = "5"
    & skf21("4","1","6","4","6","1","7","1") = "6"
    & skf21("4","1","6","4","6","2","1","1") = "5"
    & skf21("4","1","6","4","6","2","2","1") = "5"
    & skf21("4","1","6","4","6","2","3","1") = "5"
    & skf21("4","1","6","4","6","2","4","1") = "5"
    & skf21("4","1","6","4","6","2","5","1") = "5"
    & skf21("4","1","6","4","6","2","6","1") = "5"
    & skf21("4","1","6","4","6","2","7","1") = "6"
    & skf21("4","1","6","4","6","3","1","1") = "5"
    & skf21("4","1","6","4","6","3","2","1") = "5"
    & skf21("4","1","6","4","6","3","3","1") = "5"
    & skf21("4","1","6","4","6","3","4","1") = "5"
    & skf21("4","1","6","4","6","3","5","1") = "5"
    & skf21("4","1","6","4","6","3","6","1") = "5"
    & skf21("4","1","6","4","6","3","7","1") = "6"
    & skf21("4","1","6","4","6","4","1","1") = "5"
    & skf21("4","1","6","4","6","4","2","1") = "5"
    & skf21("4","1","6","4","6","4","3","1") = "5"
    & skf21("4","1","6","4","6","4","4","1") = "5"
    & skf21("4","1","6","4","6","4","5","1") = "5"
    & skf21("4","1","6","4","6","4","6","1") = "5"
    & skf21("4","1","6","4","6","4","7","1") = "6"
    & skf21("4","1","6","4","6","5","1","1") = "5"
    & skf21("4","1","6","4","6","5","2","1") = "5"
    & skf21("4","1","6","4","6","5","3","1") = "5"
    & skf21("4","1","6","4","6","5","4","1") = "5"
    & skf21("4","1","6","4","6","5","5","1") = "5"
    & skf21("4","1","6","4","6","5","6","1") = "5"
    & skf21("4","1","6","4","6","5","7","1") = "6"
    & skf21("4","1","6","4","6","6","1","1") = "5"
    & skf21("4","1","6","4","6","6","2","1") = "5"
    & skf21("4","1","6","4","6","6","3","1") = "5"
    & skf21("4","1","6","4","6","6","4","1") = "5"
    & skf21("4","1","6","4","6","6","5","1") = "5"
    & skf21("4","1","6","4","6","6","6","1") = "5"
    & skf21("4","1","6","4","6","6","7","1") = "6"
    & skf21("4","1","6","4","6","7","1","1") = "6"
    & skf21("4","1","6","4","6","7","2","1") = "6"
    & skf21("4","1","6","4","6","7","3","1") = "6"
    & skf21("4","1","6","4","6","7","4","1") = "6"
    & skf21("4","1","6","4","6","7","5","1") = "6"
    & skf21("4","1","6","4","6","7","6","1") = "6"
    & skf21("4","1","6","4","6","7","7","1") = "6"
    & skf21("4","1","6","4","7","1","1","1") = "6"
    & skf21("4","1","6","4","7","1","2","1") = "6"
    & skf21("4","1","6","4","7","1","3","1") = "6"
    & skf21("4","1","6","4","7","1","4","1") = "6"
    & skf21("4","1","6","4","7","1","5","1") = "6"
    & skf21("4","1","6","4","7","1","6","1") = "6"
    & skf21("4","1","6","4","7","1","7","1") = "6"
    & skf21("4","1","6","4","7","2","1","1") = "6"
    & skf21("4","1","6","4","7","2","2","1") = "6"
    & skf21("4","1","6","4","7","2","3","1") = "6"
    & skf21("4","1","6","4","7","2","4","1") = "6"
    & skf21("4","1","6","4","7","2","5","1") = "6"
    & skf21("4","1","6","4","7","2","6","1") = "6"
    & skf21("4","1","6","4","7","2","7","1") = "6"
    & skf21("4","1","6","4","7","3","1","1") = "6"
    & skf21("4","1","6","4","7","3","2","1") = "6"
    & skf21("4","1","6","4","7","3","3","1") = "6"
    & skf21("4","1","6","4","7","3","4","1") = "6"
    & skf21("4","1","6","4","7","3","5","1") = "6"
    & skf21("4","1","6","4","7","3","6","1") = "6"
    & skf21("4","1","6","4","7","3","7","1") = "6"
    & skf21("4","1","6","4","7","4","1","1") = "6"
    & skf21("4","1","6","4","7","4","2","1") = "6"
    & skf21("4","1","6","4","7","4","3","1") = "6"
    & skf21("4","1","6","4","7","4","4","1") = "6"
    & skf21("4","1","6","4","7","4","5","1") = "6"
    & skf21("4","1","6","4","7","4","6","1") = "6"
    & skf21("4","1","6","4","7","4","7","1") = "6"
    & skf21("4","1","6","4","7","5","1","1") = "6"
    & skf21("4","1","6","4","7","5","2","1") = "6"
    & skf21("4","1","6","4","7","5","3","1") = "6"
    & skf21("4","1","6","4","7","5","4","1") = "6"
    & skf21("4","1","6","4","7","5","5","1") = "6"
    & skf21("4","1","6","4","7","5","6","1") = "6"
    & skf21("4","1","6","4","7","5","7","1") = "6"
    & skf21("4","1","6","4","7","6","1","1") = "6"
    & skf21("4","1","6","4","7","6","2","1") = "6"
    & skf21("4","1","6","4","7","6","3","1") = "6"
    & skf21("4","1","6","4","7","6","4","1") = "6"
    & skf21("4","1","6","4","7","6","5","1") = "6"
    & skf21("4","1","6","4","7","6","6","1") = "6"
    & skf21("4","1","6","4","7","6","7","1") = "6"
    & skf21("4","1","6","4","7","7","1","1") = "6"
    & skf21("4","1","6","4","7","7","2","1") = "6"
    & skf21("4","1","6","4","7","7","3","1") = "6"
    & skf21("4","1","6","4","7","7","4","1") = "6"
    & skf21("4","1","6","4","7","7","5","1") = "6"
    & skf21("4","1","6","4","7","7","6","1") = "6"
    & skf21("4","1","6","4","7","7","7","1") = "6"
    & skf21("4","1","6","5","1","1","1","1") = "5"
    & skf21("4","1","6","5","1","1","2","1") = "5"
    & skf21("4","1","6","5","1","1","3","1") = "5"
    & skf21("4","1","6","5","1","1","4","1") = "5"
    & skf21("4","1","6","5","1","1","5","1") = "5"
    & skf21("4","1","6","5","1","1","6","1") = "5"
    & skf21("4","1","6","5","1","1","7","1") = "6"
    & skf21("4","1","6","5","1","2","1","1") = "5"
    & skf21("4","1","6","5","1","2","2","1") = "5"
    & skf21("4","1","6","5","1","2","3","1") = "5"
    & skf21("4","1","6","5","1","2","4","1") = "5"
    & skf21("4","1","6","5","1","2","5","1") = "5"
    & skf21("4","1","6","5","1","2","6","1") = "5"
    & skf21("4","1","6","5","1","2","7","1") = "6"
    & skf21("4","1","6","5","1","3","1","1") = "5"
    & skf21("4","1","6","5","1","3","2","1") = "5"
    & skf21("4","1","6","5","1","3","3","1") = "5"
    & skf21("4","1","6","5","1","3","4","1") = "5"
    & skf21("4","1","6","5","1","3","5","1") = "5"
    & skf21("4","1","6","5","1","3","6","1") = "5"
    & skf21("4","1","6","5","1","3","7","1") = "6"
    & skf21("4","1","6","5","1","4","1","1") = "5"
    & skf21("4","1","6","5","1","4","2","1") = "5"
    & skf21("4","1","6","5","1","4","3","1") = "5"
    & skf21("4","1","6","5","1","4","4","1") = "5"
    & skf21("4","1","6","5","1","4","5","1") = "5"
    & skf21("4","1","6","5","1","4","6","1") = "5"
    & skf21("4","1","6","5","1","4","7","1") = "6"
    & skf21("4","1","6","5","1","5","1","1") = "5"
    & skf21("4","1","6","5","1","5","2","1") = "5"
    & skf21("4","1","6","5","1","5","3","1") = "5"
    & skf21("4","1","6","5","1","5","4","1") = "5"
    & skf21("4","1","6","5","1","5","5","1") = "5"
    & skf21("4","1","6","5","1","5","6","1") = "5"
    & skf21("4","1","6","5","1","5","7","1") = "6"
    & skf21("4","1","6","5","1","6","1","1") = "5"
    & skf21("4","1","6","5","1","6","2","1") = "5"
    & skf21("4","1","6","5","1","6","3","1") = "5"
    & skf21("4","1","6","5","1","6","4","1") = "5"
    & skf21("4","1","6","5","1","6","5","1") = "5"
    & skf21("4","1","6","5","1","6","6","1") = "5"
    & skf21("4","1","6","5","1","6","7","1") = "6"
    & skf21("4","1","6","5","1","7","1","1") = "6"
    & skf21("4","1","6","5","1","7","2","1") = "6"
    & skf21("4","1","6","5","1","7","3","1") = "6"
    & skf21("4","1","6","5","1","7","4","1") = "6"
    & skf21("4","1","6","5","1","7","5","1") = "6"
    & skf21("4","1","6","5","1","7","6","1") = "6"
    & skf21("4","1","6","5","1","7","7","1") = "6"
    & skf21("4","1","6","5","2","1","1","1") = "5"
    & skf21("4","1","6","5","2","1","2","1") = "5"
    & skf21("4","1","6","5","2","1","3","1") = "5"
    & skf21("4","1","6","5","2","1","4","1") = "5"
    & skf21("4","1","6","5","2","1","5","1") = "5"
    & skf21("4","1","6","5","2","1","6","1") = "5"
    & skf21("4","1","6","5","2","1","7","1") = "6"
    & skf21("4","1","6","5","2","2","1","1") = "5"
    & skf21("4","1","6","5","2","2","2","1") = "5"
    & skf21("4","1","6","5","2","2","3","1") = "5"
    & skf21("4","1","6","5","2","2","4","1") = "5"
    & skf21("4","1","6","5","2","2","5","1") = "5"
    & skf21("4","1","6","5","2","2","6","1") = "5"
    & skf21("4","1","6","5","2","2","7","1") = "6"
    & skf21("4","1","6","5","2","3","1","1") = "5"
    & skf21("4","1","6","5","2","3","2","1") = "5"
    & skf21("4","1","6","5","2","3","3","1") = "5"
    & skf21("4","1","6","5","2","3","4","1") = "5"
    & skf21("4","1","6","5","2","3","5","1") = "5"
    & skf21("4","1","6","5","2","3","6","1") = "5"
    & skf21("4","1","6","5","2","3","7","1") = "6"
    & skf21("4","1","6","5","2","4","1","1") = "5"
    & skf21("4","1","6","5","2","4","2","1") = "5"
    & skf21("4","1","6","5","2","4","3","1") = "5"
    & skf21("4","1","6","5","2","4","4","1") = "5"
    & skf21("4","1","6","5","2","4","5","1") = "5"
    & skf21("4","1","6","5","2","4","6","1") = "5"
    & skf21("4","1","6","5","2","4","7","1") = "6"
    & skf21("4","1","6","5","2","5","1","1") = "5"
    & skf21("4","1","6","5","2","5","2","1") = "5"
    & skf21("4","1","6","5","2","5","3","1") = "5"
    & skf21("4","1","6","5","2","5","4","1") = "5"
    & skf21("4","1","6","5","2","5","5","1") = "5"
    & skf21("4","1","6","5","2","5","6","1") = "5"
    & skf21("4","1","6","5","2","5","7","1") = "6"
    & skf21("4","1","6","5","2","6","1","1") = "5"
    & skf21("4","1","6","5","2","6","2","1") = "5"
    & skf21("4","1","6","5","2","6","3","1") = "5"
    & skf21("4","1","6","5","2","6","4","1") = "5"
    & skf21("4","1","6","5","2","6","5","1") = "5"
    & skf21("4","1","6","5","2","6","6","1") = "5"
    & skf21("4","1","6","5","2","6","7","1") = "6"
    & skf21("4","1","6","5","2","7","1","1") = "6"
    & skf21("4","1","6","5","2","7","2","1") = "6"
    & skf21("4","1","6","5","2","7","3","1") = "6"
    & skf21("4","1","6","5","2","7","4","1") = "6"
    & skf21("4","1","6","5","2","7","5","1") = "6"
    & skf21("4","1","6","5","2","7","6","1") = "6"
    & skf21("4","1","6","5","2","7","7","1") = "6"
    & skf21("4","1","6","5","3","1","1","1") = "5"
    & skf21("4","1","6","5","3","1","2","1") = "5"
    & skf21("4","1","6","5","3","1","3","1") = "5"
    & skf21("4","1","6","5","3","1","4","1") = "5"
    & skf21("4","1","6","5","3","1","5","1") = "5"
    & skf21("4","1","6","5","3","1","6","1") = "5"
    & skf21("4","1","6","5","3","1","7","1") = "6"
    & skf21("4","1","6","5","3","2","1","1") = "5"
    & skf21("4","1","6","5","3","2","2","1") = "5"
    & skf21("4","1","6","5","3","2","3","1") = "5"
    & skf21("4","1","6","5","3","2","4","1") = "5"
    & skf21("4","1","6","5","3","2","5","1") = "5"
    & skf21("4","1","6","5","3","2","6","1") = "5"
    & skf21("4","1","6","5","3","2","7","1") = "6"
    & skf21("4","1","6","5","3","3","1","1") = "5"
    & skf21("4","1","6","5","3","3","2","1") = "5"
    & skf21("4","1","6","5","3","3","3","1") = "5"
    & skf21("4","1","6","5","3","3","4","1") = "5"
    & skf21("4","1","6","5","3","3","5","1") = "5"
    & skf21("4","1","6","5","3","3","6","1") = "5"
    & skf21("4","1","6","5","3","3","7","1") = "6"
    & skf21("4","1","6","5","3","4","1","1") = "5"
    & skf21("4","1","6","5","3","4","2","1") = "5"
    & skf21("4","1","6","5","3","4","3","1") = "5"
    & skf21("4","1","6","5","3","4","4","1") = "5"
    & skf21("4","1","6","5","3","4","5","1") = "5"
    & skf21("4","1","6","5","3","4","6","1") = "5"
    & skf21("4","1","6","5","3","4","7","1") = "6"
    & skf21("4","1","6","5","3","5","1","1") = "5"
    & skf21("4","1","6","5","3","5","2","1") = "5"
    & skf21("4","1","6","5","3","5","3","1") = "5"
    & skf21("4","1","6","5","3","5","4","1") = "5"
    & skf21("4","1","6","5","3","5","5","1") = "5"
    & skf21("4","1","6","5","3","5","6","1") = "5"
    & skf21("4","1","6","5","3","5","7","1") = "6"
    & skf21("4","1","6","5","3","6","1","1") = "5"
    & skf21("4","1","6","5","3","6","2","1") = "5"
    & skf21("4","1","6","5","3","6","3","1") = "5"
    & skf21("4","1","6","5","3","6","4","1") = "5"
    & skf21("4","1","6","5","3","6","5","1") = "5"
    & skf21("4","1","6","5","3","6","6","1") = "5"
    & skf21("4","1","6","5","3","6","7","1") = "6"
    & skf21("4","1","6","5","3","7","1","1") = "6"
    & skf21("4","1","6","5","3","7","2","1") = "6"
    & skf21("4","1","6","5","3","7","3","1") = "6"
    & skf21("4","1","6","5","3","7","4","1") = "6"
    & skf21("4","1","6","5","3","7","5","1") = "6"
    & skf21("4","1","6","5","3","7","6","1") = "6"
    & skf21("4","1","6","5","3","7","7","1") = "6"
    & skf21("4","1","6","5","4","1","1","1") = "5"
    & skf21("4","1","6","5","4","1","2","1") = "5"
    & skf21("4","1","6","5","4","1","3","1") = "5"
    & skf21("4","1","6","5","4","1","4","1") = "5"
    & skf21("4","1","6","5","4","1","5","1") = "5"
    & skf21("4","1","6","5","4","1","6","1") = "5"
    & skf21("4","1","6","5","4","1","7","1") = "6"
    & skf21("4","1","6","5","4","2","1","1") = "5"
    & skf21("4","1","6","5","4","2","2","1") = "5"
    & skf21("4","1","6","5","4","2","3","1") = "5"
    & skf21("4","1","6","5","4","2","4","1") = "5"
    & skf21("4","1","6","5","4","2","5","1") = "5"
    & skf21("4","1","6","5","4","2","6","1") = "5"
    & skf21("4","1","6","5","4","2","7","1") = "6"
    & skf21("4","1","6","5","4","3","1","1") = "5"
    & skf21("4","1","6","5","4","3","2","1") = "5"
    & skf21("4","1","6","5","4","3","3","1") = "5"
    & skf21("4","1","6","5","4","3","4","1") = "5"
    & skf21("4","1","6","5","4","3","5","1") = "5"
    & skf21("4","1","6","5","4","3","6","1") = "5"
    & skf21("4","1","6","5","4","3","7","1") = "6"
    & skf21("4","1","6","5","4","4","1","1") = "5"
    & skf21("4","1","6","5","4","4","2","1") = "5"
    & skf21("4","1","6","5","4","4","3","1") = "5"
    & skf21("4","1","6","5","4","4","4","1") = "5"
    & skf21("4","1","6","5","4","4","5","1") = "5"
    & skf21("4","1","6","5","4","4","6","1") = "5"
    & skf21("4","1","6","5","4","4","7","1") = "6"
    & skf21("4","1","6","5","4","5","1","1") = "5"
    & skf21("4","1","6","5","4","5","2","1") = "5"
    & skf21("4","1","6","5","4","5","3","1") = "5"
    & skf21("4","1","6","5","4","5","4","1") = "5"
    & skf21("4","1","6","5","4","5","5","1") = "5"
    & skf21("4","1","6","5","4","5","6","1") = "5"
    & skf21("4","1","6","5","4","5","7","1") = "6"
    & skf21("4","1","6","5","4","6","1","1") = "5"
    & skf21("4","1","6","5","4","6","2","1") = "5"
    & skf21("4","1","6","5","4","6","3","1") = "5"
    & skf21("4","1","6","5","4","6","4","1") = "5"
    & skf21("4","1","6","5","4","6","5","1") = "5"
    & skf21("4","1","6","5","4","6","6","1") = "5"
    & skf21("4","1","6","5","4","6","7","1") = "6"
    & skf21("4","1","6","5","4","7","1","1") = "6"
    & skf21("4","1","6","5","4","7","2","1") = "6"
    & skf21("4","1","6","5","4","7","3","1") = "6"
    & skf21("4","1","6","5","4","7","4","1") = "6"
    & skf21("4","1","6","5","4","7","5","1") = "6"
    & skf21("4","1","6","5","4","7","6","1") = "6"
    & skf21("4","1","6","5","4","7","7","1") = "6"
    & skf21("4","1","6","5","5","1","1","1") = "5"
    & skf21("4","1","6","5","5","1","2","1") = "5"
    & skf21("4","1","6","5","5","1","3","1") = "5"
    & skf21("4","1","6","5","5","1","4","1") = "5"
    & skf21("4","1","6","5","5","1","5","1") = "5"
    & skf21("4","1","6","5","5","1","6","1") = "5"
    & skf21("4","1","6","5","5","1","7","1") = "6"
    & skf21("4","1","6","5","5","2","1","1") = "5"
    & skf21("4","1","6","5","5","2","2","1") = "5"
    & skf21("4","1","6","5","5","2","3","1") = "5"
    & skf21("4","1","6","5","5","2","4","1") = "5"
    & skf21("4","1","6","5","5","2","5","1") = "5"
    & skf21("4","1","6","5","5","2","6","1") = "5"
    & skf21("4","1","6","5","5","2","7","1") = "6"
    & skf21("4","1","6","5","5","3","1","1") = "5"
    & skf21("4","1","6","5","5","3","2","1") = "5"
    & skf21("4","1","6","5","5","3","3","1") = "5"
    & skf21("4","1","6","5","5","3","4","1") = "5"
    & skf21("4","1","6","5","5","3","5","1") = "5"
    & skf21("4","1","6","5","5","3","6","1") = "5"
    & skf21("4","1","6","5","5","3","7","1") = "6"
    & skf21("4","1","6","5","5","4","1","1") = "5"
    & skf21("4","1","6","5","5","4","2","1") = "5"
    & skf21("4","1","6","5","5","4","3","1") = "5"
    & skf21("4","1","6","5","5","4","4","1") = "5"
    & skf21("4","1","6","5","5","4","5","1") = "5"
    & skf21("4","1","6","5","5","4","6","1") = "5"
    & skf21("4","1","6","5","5","4","7","1") = "6"
    & skf21("4","1","6","5","5","5","1","1") = "5"
    & skf21("4","1","6","5","5","5","2","1") = "5"
    & skf21("4","1","6","5","5","5","3","1") = "5"
    & skf21("4","1","6","5","5","5","4","1") = "5"
    & skf21("4","1","6","5","5","5","5","1") = "5"
    & skf21("4","1","6","5","5","5","6","1") = "5"
    & skf21("4","1","6","5","5","5","7","1") = "6"
    & skf21("4","1","6","5","5","6","1","1") = "5"
    & skf21("4","1","6","5","5","6","2","1") = "5"
    & skf21("4","1","6","5","5","6","3","1") = "5"
    & skf21("4","1","6","5","5","6","4","1") = "5"
    & skf21("4","1","6","5","5","6","5","1") = "5"
    & skf21("4","1","6","5","5","6","6","1") = "5"
    & skf21("4","1","6","5","5","6","7","1") = "6"
    & skf21("4","1","6","5","5","7","1","1") = "6"
    & skf21("4","1","6","5","5","7","2","1") = "6"
    & skf21("4","1","6","5","5","7","3","1") = "6"
    & skf21("4","1","6","5","5","7","4","1") = "6"
    & skf21("4","1","6","5","5","7","5","1") = "6"
    & skf21("4","1","6","5","5","7","6","1") = "6"
    & skf21("4","1","6","5","5","7","7","1") = "6"
    & skf21("4","1","6","5","6","1","1","1") = "5"
    & skf21("4","1","6","5","6","1","2","1") = "5"
    & skf21("4","1","6","5","6","1","3","1") = "5"
    & skf21("4","1","6","5","6","1","4","1") = "5"
    & skf21("4","1","6","5","6","1","5","1") = "5"
    & skf21("4","1","6","5","6","1","6","1") = "5"
    & skf21("4","1","6","5","6","1","7","1") = "6"
    & skf21("4","1","6","5","6","2","1","1") = "5"
    & skf21("4","1","6","5","6","2","2","1") = "5"
    & skf21("4","1","6","5","6","2","3","1") = "5"
    & skf21("4","1","6","5","6","2","4","1") = "5"
    & skf21("4","1","6","5","6","2","5","1") = "5"
    & skf21("4","1","6","5","6","2","6","1") = "5"
    & skf21("4","1","6","5","6","2","7","1") = "6"
    & skf21("4","1","6","5","6","3","1","1") = "5"
    & skf21("4","1","6","5","6","3","2","1") = "5"
    & skf21("4","1","6","5","6","3","3","1") = "5"
    & skf21("4","1","6","5","6","3","4","1") = "5"
    & skf21("4","1","6","5","6","3","5","1") = "5"
    & skf21("4","1","6","5","6","3","6","1") = "5"
    & skf21("4","1","6","5","6","3","7","1") = "6"
    & skf21("4","1","6","5","6","4","1","1") = "5"
    & skf21("4","1","6","5","6","4","2","1") = "5"
    & skf21("4","1","6","5","6","4","3","1") = "5"
    & skf21("4","1","6","5","6","4","4","1") = "5"
    & skf21("4","1","6","5","6","4","5","1") = "5"
    & skf21("4","1","6","5","6","4","6","1") = "5"
    & skf21("4","1","6","5","6","4","7","1") = "6"
    & skf21("4","1","6","5","6","5","1","1") = "5"
    & skf21("4","1","6","5","6","5","2","1") = "5"
    & skf21("4","1","6","5","6","5","3","1") = "5"
    & skf21("4","1","6","5","6","5","4","1") = "5"
    & skf21("4","1","6","5","6","5","5","1") = "5"
    & skf21("4","1","6","5","6","5","6","1") = "5"
    & skf21("4","1","6","5","6","5","7","1") = "6"
    & skf21("4","1","6","5","6","6","1","1") = "5"
    & skf21("4","1","6","5","6","6","2","1") = "5"
    & skf21("4","1","6","5","6","6","3","1") = "5"
    & skf21("4","1","6","5","6","6","4","1") = "5"
    & skf21("4","1","6","5","6","6","5","1") = "5"
    & skf21("4","1","6","5","6","6","6","1") = "5"
    & skf21("4","1","6","5","6","6","7","1") = "6"
    & skf21("4","1","6","5","6","7","1","1") = "6"
    & skf21("4","1","6","5","6","7","2","1") = "6"
    & skf21("4","1","6","5","6","7","3","1") = "6"
    & skf21("4","1","6","5","6","7","4","1") = "6"
    & skf21("4","1","6","5","6","7","5","1") = "6"
    & skf21("4","1","6","5","6","7","6","1") = "6"
    & skf21("4","1","6","5","6","7","7","1") = "6"
    & skf21("4","1","6","5","7","1","1","1") = "6"
    & skf21("4","1","6","5","7","1","2","1") = "6"
    & skf21("4","1","6","5","7","1","3","1") = "6"
    & skf21("4","1","6","5","7","1","4","1") = "6"
    & skf21("4","1","6","5","7","1","5","1") = "6"
    & skf21("4","1","6","5","7","1","6","1") = "6"
    & skf21("4","1","6","5","7","1","7","1") = "6"
    & skf21("4","1","6","5","7","2","1","1") = "6"
    & skf21("4","1","6","5","7","2","2","1") = "6"
    & skf21("4","1","6","5","7","2","3","1") = "6"
    & skf21("4","1","6","5","7","2","4","1") = "6"
    & skf21("4","1","6","5","7","2","5","1") = "6"
    & skf21("4","1","6","5","7","2","6","1") = "6"
    & skf21("4","1","6","5","7","2","7","1") = "6"
    & skf21("4","1","6","5","7","3","1","1") = "6"
    & skf21("4","1","6","5","7","3","2","1") = "6"
    & skf21("4","1","6","5","7","3","3","1") = "6"
    & skf21("4","1","6","5","7","3","4","1") = "6"
    & skf21("4","1","6","5","7","3","5","1") = "6"
    & skf21("4","1","6","5","7","3","6","1") = "6"
    & skf21("4","1","6","5","7","3","7","1") = "6"
    & skf21("4","1","6","5","7","4","1","1") = "6"
    & skf21("4","1","6","5","7","4","2","1") = "6"
    & skf21("4","1","6","5","7","4","3","1") = "6"
    & skf21("4","1","6","5","7","4","4","1") = "6"
    & skf21("4","1","6","5","7","4","5","1") = "6"
    & skf21("4","1","6","5","7","4","6","1") = "6"
    & skf21("4","1","6","5","7","4","7","1") = "6"
    & skf21("4","1","6","5","7","5","1","1") = "6"
    & skf21("4","1","6","5","7","5","2","1") = "6"
    & skf21("4","1","6","5","7","5","3","1") = "6"
    & skf21("4","1","6","5","7","5","4","1") = "6"
    & skf21("4","1","6","5","7","5","5","1") = "6"
    & skf21("4","1","6","5","7","5","6","1") = "6"
    & skf21("4","1","6","5","7","5","7","1") = "6"
    & skf21("4","1","6","5","7","6","1","1") = "6"
    & skf21("4","1","6","5","7","6","2","1") = "6"
    & skf21("4","1","6","5","7","6","3","1") = "6"
    & skf21("4","1","6","5","7","6","4","1") = "6"
    & skf21("4","1","6","5","7","6","5","1") = "6"
    & skf21("4","1","6","5","7","6","6","1") = "6"
    & skf21("4","1","6","5","7","6","7","1") = "6"
    & skf21("4","1","6","5","7","7","1","1") = "6"
    & skf21("4","1","6","5","7","7","2","1") = "6"
    & skf21("4","1","6","5","7","7","3","1") = "6"
    & skf21("4","1","6","5","7","7","4","1") = "6"
    & skf21("4","1","6","5","7","7","5","1") = "6"
    & skf21("4","1","6","5","7","7","6","1") = "6"
    & skf21("4","1","6","5","7","7","7","1") = "6"
    & skf21("4","1","6","6","1","1","1","1") = "5"
    & skf21("4","1","6","6","1","1","2","1") = "5"
    & skf21("4","1","6","6","1","1","3","1") = "5"
    & skf21("4","1","6","6","1","1","4","1") = "5"
    & skf21("4","1","6","6","1","1","5","1") = "5"
    & skf21("4","1","6","6","1","1","6","1") = "5"
    & skf21("4","1","6","6","1","1","7","1") = "6"
    & skf21("4","1","6","6","1","2","1","1") = "5"
    & skf21("4","1","6","6","1","2","2","1") = "5"
    & skf21("4","1","6","6","1","2","3","1") = "5"
    & skf21("4","1","6","6","1","2","4","1") = "5"
    & skf21("4","1","6","6","1","2","5","1") = "5"
    & skf21("4","1","6","6","1","2","6","1") = "5"
    & skf21("4","1","6","6","1","2","7","1") = "6"
    & skf21("4","1","6","6","1","3","1","1") = "5"
    & skf21("4","1","6","6","1","3","2","1") = "5"
    & skf21("4","1","6","6","1","3","3","1") = "5"
    & skf21("4","1","6","6","1","3","4","1") = "5"
    & skf21("4","1","6","6","1","3","5","1") = "5"
    & skf21("4","1","6","6","1","3","6","1") = "5"
    & skf21("4","1","6","6","1","3","7","1") = "6"
    & skf21("4","1","6","6","1","4","1","1") = "5"
    & skf21("4","1","6","6","1","4","2","1") = "5"
    & skf21("4","1","6","6","1","4","3","1") = "5"
    & skf21("4","1","6","6","1","4","4","1") = "5"
    & skf21("4","1","6","6","1","4","5","1") = "5"
    & skf21("4","1","6","6","1","4","6","1") = "5"
    & skf21("4","1","6","6","1","4","7","1") = "6"
    & skf21("4","1","6","6","1","5","1","1") = "5"
    & skf21("4","1","6","6","1","5","2","1") = "5"
    & skf21("4","1","6","6","1","5","3","1") = "5"
    & skf21("4","1","6","6","1","5","4","1") = "5"
    & skf21("4","1","6","6","1","5","5","1") = "5"
    & skf21("4","1","6","6","1","5","6","1") = "5"
    & skf21("4","1","6","6","1","5","7","1") = "6"
    & skf21("4","1","6","6","1","6","1","1") = "5"
    & skf21("4","1","6","6","1","6","2","1") = "5"
    & skf21("4","1","6","6","1","6","3","1") = "5"
    & skf21("4","1","6","6","1","6","4","1") = "5"
    & skf21("4","1","6","6","1","6","5","1") = "5"
    & skf21("4","1","6","6","1","6","6","1") = "5"
    & skf21("4","1","6","6","1","6","7","1") = "6"
    & skf21("4","1","6","6","1","7","1","1") = "6"
    & skf21("4","1","6","6","1","7","2","1") = "6"
    & skf21("4","1","6","6","1","7","3","1") = "6"
    & skf21("4","1","6","6","1","7","4","1") = "6"
    & skf21("4","1","6","6","1","7","5","1") = "6"
    & skf21("4","1","6","6","1","7","6","1") = "6"
    & skf21("4","1","6","6","1","7","7","1") = "6"
    & skf21("4","1","6","6","2","1","1","1") = "5"
    & skf21("4","1","6","6","2","1","2","1") = "5"
    & skf21("4","1","6","6","2","1","3","1") = "5"
    & skf21("4","1","6","6","2","1","4","1") = "5"
    & skf21("4","1","6","6","2","1","5","1") = "5"
    & skf21("4","1","6","6","2","1","6","1") = "5"
    & skf21("4","1","6","6","2","1","7","1") = "6"
    & skf21("4","1","6","6","2","2","1","1") = "5"
    & skf21("4","1","6","6","2","2","2","1") = "5"
    & skf21("4","1","6","6","2","2","3","1") = "5"
    & skf21("4","1","6","6","2","2","4","1") = "5"
    & skf21("4","1","6","6","2","2","5","1") = "5"
    & skf21("4","1","6","6","2","2","6","1") = "5"
    & skf21("4","1","6","6","2","2","7","1") = "6"
    & skf21("4","1","6","6","2","3","1","1") = "5"
    & skf21("4","1","6","6","2","3","2","1") = "5"
    & skf21("4","1","6","6","2","3","3","1") = "5"
    & skf21("4","1","6","6","2","3","4","1") = "5"
    & skf21("4","1","6","6","2","3","5","1") = "5"
    & skf21("4","1","6","6","2","3","6","1") = "5"
    & skf21("4","1","6","6","2","3","7","1") = "6"
    & skf21("4","1","6","6","2","4","1","1") = "5"
    & skf21("4","1","6","6","2","4","2","1") = "5"
    & skf21("4","1","6","6","2","4","3","1") = "5"
    & skf21("4","1","6","6","2","4","4","1") = "5"
    & skf21("4","1","6","6","2","4","5","1") = "5"
    & skf21("4","1","6","6","2","4","6","1") = "5"
    & skf21("4","1","6","6","2","4","7","1") = "6"
    & skf21("4","1","6","6","2","5","1","1") = "5"
    & skf21("4","1","6","6","2","5","2","1") = "5"
    & skf21("4","1","6","6","2","5","3","1") = "5"
    & skf21("4","1","6","6","2","5","4","1") = "5"
    & skf21("4","1","6","6","2","5","5","1") = "5"
    & skf21("4","1","6","6","2","5","6","1") = "5"
    & skf21("4","1","6","6","2","5","7","1") = "6"
    & skf21("4","1","6","6","2","6","1","1") = "5"
    & skf21("4","1","6","6","2","6","2","1") = "5"
    & skf21("4","1","6","6","2","6","3","1") = "5"
    & skf21("4","1","6","6","2","6","4","1") = "5"
    & skf21("4","1","6","6","2","6","5","1") = "5"
    & skf21("4","1","6","6","2","6","6","1") = "5"
    & skf21("4","1","6","6","2","6","7","1") = "6"
    & skf21("4","1","6","6","2","7","1","1") = "6"
    & skf21("4","1","6","6","2","7","2","1") = "6"
    & skf21("4","1","6","6","2","7","3","1") = "6"
    & skf21("4","1","6","6","2","7","4","1") = "6"
    & skf21("4","1","6","6","2","7","5","1") = "6"
    & skf21("4","1","6","6","2","7","6","1") = "6"
    & skf21("4","1","6","6","2","7","7","1") = "6"
    & skf21("4","1","6","6","3","1","1","1") = "5"
    & skf21("4","1","6","6","3","1","2","1") = "5"
    & skf21("4","1","6","6","3","1","3","1") = "5"
    & skf21("4","1","6","6","3","1","4","1") = "5"
    & skf21("4","1","6","6","3","1","5","1") = "5"
    & skf21("4","1","6","6","3","1","6","1") = "5"
    & skf21("4","1","6","6","3","1","7","1") = "6"
    & skf21("4","1","6","6","3","2","1","1") = "5"
    & skf21("4","1","6","6","3","2","2","1") = "5"
    & skf21("4","1","6","6","3","2","3","1") = "5"
    & skf21("4","1","6","6","3","2","4","1") = "5"
    & skf21("4","1","6","6","3","2","5","1") = "5"
    & skf21("4","1","6","6","3","2","6","1") = "5"
    & skf21("4","1","6","6","3","2","7","1") = "6"
    & skf21("4","1","6","6","3","3","1","1") = "5"
    & skf21("4","1","6","6","3","3","2","1") = "5"
    & skf21("4","1","6","6","3","3","3","1") = "5"
    & skf21("4","1","6","6","3","3","4","1") = "5"
    & skf21("4","1","6","6","3","3","5","1") = "5"
    & skf21("4","1","6","6","3","3","6","1") = "5"
    & skf21("4","1","6","6","3","3","7","1") = "6"
    & skf21("4","1","6","6","3","4","1","1") = "5"
    & skf21("4","1","6","6","3","4","2","1") = "5"
    & skf21("4","1","6","6","3","4","3","1") = "5"
    & skf21("4","1","6","6","3","4","4","1") = "5"
    & skf21("4","1","6","6","3","4","5","1") = "5"
    & skf21("4","1","6","6","3","4","6","1") = "5"
    & skf21("4","1","6","6","3","4","7","1") = "6"
    & skf21("4","1","6","6","3","5","1","1") = "5"
    & skf21("4","1","6","6","3","5","2","1") = "5"
    & skf21("4","1","6","6","3","5","3","1") = "5"
    & skf21("4","1","6","6","3","5","4","1") = "5"
    & skf21("4","1","6","6","3","5","5","1") = "5"
    & skf21("4","1","6","6","3","5","6","1") = "5"
    & skf21("4","1","6","6","3","5","7","1") = "6"
    & skf21("4","1","6","6","3","6","1","1") = "5"
    & skf21("4","1","6","6","3","6","2","1") = "5"
    & skf21("4","1","6","6","3","6","3","1") = "5"
    & skf21("4","1","6","6","3","6","4","1") = "5"
    & skf21("4","1","6","6","3","6","5","1") = "5"
    & skf21("4","1","6","6","3","6","6","1") = "5"
    & skf21("4","1","6","6","3","6","7","1") = "6"
    & skf21("4","1","6","6","3","7","1","1") = "6"
    & skf21("4","1","6","6","3","7","2","1") = "6"
    & skf21("4","1","6","6","3","7","3","1") = "6"
    & skf21("4","1","6","6","3","7","4","1") = "6"
    & skf21("4","1","6","6","3","7","5","1") = "6"
    & skf21("4","1","6","6","3","7","6","1") = "6"
    & skf21("4","1","6","6","3","7","7","1") = "6"
    & skf21("4","1","6","6","4","1","1","1") = "5"
    & skf21("4","1","6","6","4","1","2","1") = "5"
    & skf21("4","1","6","6","4","1","3","1") = "5"
    & skf21("4","1","6","6","4","1","4","1") = "5"
    & skf21("4","1","6","6","4","1","5","1") = "5"
    & skf21("4","1","6","6","4","1","6","1") = "5"
    & skf21("4","1","6","6","4","1","7","1") = "6"
    & skf21("4","1","6","6","4","2","1","1") = "5"
    & skf21("4","1","6","6","4","2","2","1") = "5"
    & skf21("4","1","6","6","4","2","3","1") = "5"
    & skf21("4","1","6","6","4","2","4","1") = "5"
    & skf21("4","1","6","6","4","2","5","1") = "5"
    & skf21("4","1","6","6","4","2","6","1") = "5"
    & skf21("4","1","6","6","4","2","7","1") = "6"
    & skf21("4","1","6","6","4","3","1","1") = "5"
    & skf21("4","1","6","6","4","3","2","1") = "5"
    & skf21("4","1","6","6","4","3","3","1") = "5"
    & skf21("4","1","6","6","4","3","4","1") = "5"
    & skf21("4","1","6","6","4","3","5","1") = "5"
    & skf21("4","1","6","6","4","3","6","1") = "5"
    & skf21("4","1","6","6","4","3","7","1") = "6"
    & skf21("4","1","6","6","4","4","1","1") = "5"
    & skf21("4","1","6","6","4","4","2","1") = "5"
    & skf21("4","1","6","6","4","4","3","1") = "5"
    & skf21("4","1","6","6","4","4","4","1") = "5"
    & skf21("4","1","6","6","4","4","5","1") = "5"
    & skf21("4","1","6","6","4","4","6","1") = "5"
    & skf21("4","1","6","6","4","4","7","1") = "6"
    & skf21("4","1","6","6","4","5","1","1") = "5"
    & skf21("4","1","6","6","4","5","2","1") = "5"
    & skf21("4","1","6","6","4","5","3","1") = "5"
    & skf21("4","1","6","6","4","5","4","1") = "5"
    & skf21("4","1","6","6","4","5","5","1") = "5"
    & skf21("4","1","6","6","4","5","6","1") = "5"
    & skf21("4","1","6","6","4","5","7","1") = "6"
    & skf21("4","1","6","6","4","6","1","1") = "5"
    & skf21("4","1","6","6","4","6","2","1") = "5"
    & skf21("4","1","6","6","4","6","3","1") = "5"
    & skf21("4","1","6","6","4","6","4","1") = "5"
    & skf21("4","1","6","6","4","6","5","1") = "5"
    & skf21("4","1","6","6","4","6","6","1") = "5"
    & skf21("4","1","6","6","4","6","7","1") = "6"
    & skf21("4","1","6","6","4","7","1","1") = "6"
    & skf21("4","1","6","6","4","7","2","1") = "6"
    & skf21("4","1","6","6","4","7","3","1") = "6"
    & skf21("4","1","6","6","4","7","4","1") = "6"
    & skf21("4","1","6","6","4","7","5","1") = "6"
    & skf21("4","1","6","6","4","7","6","1") = "6"
    & skf21("4","1","6","6","4","7","7","1") = "6"
    & skf21("4","1","6","6","5","1","1","1") = "5"
    & skf21("4","1","6","6","5","1","2","1") = "5"
    & skf21("4","1","6","6","5","1","3","1") = "5"
    & skf21("4","1","6","6","5","1","4","1") = "5"
    & skf21("4","1","6","6","5","1","5","1") = "5"
    & skf21("4","1","6","6","5","1","6","1") = "5"
    & skf21("4","1","6","6","5","1","7","1") = "6"
    & skf21("4","1","6","6","5","2","1","1") = "5"
    & skf21("4","1","6","6","5","2","2","1") = "5"
    & skf21("4","1","6","6","5","2","3","1") = "5"
    & skf21("4","1","6","6","5","2","4","1") = "5"
    & skf21("4","1","6","6","5","2","5","1") = "5"
    & skf21("4","1","6","6","5","2","6","1") = "5"
    & skf21("4","1","6","6","5","2","7","1") = "6"
    & skf21("4","1","6","6","5","3","1","1") = "5"
    & skf21("4","1","6","6","5","3","2","1") = "5"
    & skf21("4","1","6","6","5","3","3","1") = "5"
    & skf21("4","1","6","6","5","3","4","1") = "5"
    & skf21("4","1","6","6","5","3","5","1") = "5"
    & skf21("4","1","6","6","5","3","6","1") = "5"
    & skf21("4","1","6","6","5","3","7","1") = "6"
    & skf21("4","1","6","6","5","4","1","1") = "5"
    & skf21("4","1","6","6","5","4","2","1") = "5"
    & skf21("4","1","6","6","5","4","3","1") = "5"
    & skf21("4","1","6","6","5","4","4","1") = "5"
    & skf21("4","1","6","6","5","4","5","1") = "5"
    & skf21("4","1","6","6","5","4","6","1") = "5"
    & skf21("4","1","6","6","5","4","7","1") = "6"
    & skf21("4","1","6","6","5","5","1","1") = "5"
    & skf21("4","1","6","6","5","5","2","1") = "5"
    & skf21("4","1","6","6","5","5","3","1") = "5"
    & skf21("4","1","6","6","5","5","4","1") = "5"
    & skf21("4","1","6","6","5","5","5","1") = "5"
    & skf21("4","1","6","6","5","5","6","1") = "5"
    & skf21("4","1","6","6","5","5","7","1") = "6"
    & skf21("4","1","6","6","5","6","1","1") = "5"
    & skf21("4","1","6","6","5","6","2","1") = "5"
    & skf21("4","1","6","6","5","6","3","1") = "5"
    & skf21("4","1","6","6","5","6","4","1") = "5"
    & skf21("4","1","6","6","5","6","5","1") = "5"
    & skf21("4","1","6","6","5","6","6","1") = "5"
    & skf21("4","1","6","6","5","6","7","1") = "6"
    & skf21("4","1","6","6","5","7","1","1") = "6"
    & skf21("4","1","6","6","5","7","2","1") = "6"
    & skf21("4","1","6","6","5","7","3","1") = "6"
    & skf21("4","1","6","6","5","7","4","1") = "6"
    & skf21("4","1","6","6","5","7","5","1") = "6"
    & skf21("4","1","6","6","5","7","6","1") = "6"
    & skf21("4","1","6","6","5","7","7","1") = "6"
    & skf21("4","1","6","6","6","1","1","1") = "5"
    & skf21("4","1","6","6","6","1","2","1") = "5"
    & skf21("4","1","6","6","6","1","3","1") = "5"
    & skf21("4","1","6","6","6","1","4","1") = "5"
    & skf21("4","1","6","6","6","1","5","1") = "5"
    & skf21("4","1","6","6","6","1","6","1") = "5"
    & skf21("4","1","6","6","6","1","7","1") = "6"
    & skf21("4","1","6","6","6","2","1","1") = "5"
    & skf21("4","1","6","6","6","2","2","1") = "5"
    & skf21("4","1","6","6","6","2","3","1") = "5"
    & skf21("4","1","6","6","6","2","4","1") = "5"
    & skf21("4","1","6","6","6","2","5","1") = "5"
    & skf21("4","1","6","6","6","2","6","1") = "5"
    & skf21("4","1","6","6","6","2","7","1") = "6"
    & skf21("4","1","6","6","6","3","1","1") = "5"
    & skf21("4","1","6","6","6","3","2","1") = "5"
    & skf21("4","1","6","6","6","3","3","1") = "5"
    & skf21("4","1","6","6","6","3","4","1") = "5"
    & skf21("4","1","6","6","6","3","5","1") = "5"
    & skf21("4","1","6","6","6","3","6","1") = "5"
    & skf21("4","1","6","6","6","3","7","1") = "6"
    & skf21("4","1","6","6","6","4","1","1") = "5"
    & skf21("4","1","6","6","6","4","2","1") = "5"
    & skf21("4","1","6","6","6","4","3","1") = "5"
    & skf21("4","1","6","6","6","4","4","1") = "5"
    & skf21("4","1","6","6","6","4","5","1") = "5"
    & skf21("4","1","6","6","6","4","6","1") = "5"
    & skf21("4","1","6","6","6","4","7","1") = "6"
    & skf21("4","1","6","6","6","5","1","1") = "5"
    & skf21("4","1","6","6","6","5","2","1") = "5"
    & skf21("4","1","6","6","6","5","3","1") = "5"
    & skf21("4","1","6","6","6","5","4","1") = "5"
    & skf21("4","1","6","6","6","5","5","1") = "5"
    & skf21("4","1","6","6","6","5","6","1") = "5"
    & skf21("4","1","6","6","6","5","7","1") = "6"
    & skf21("4","1","6","6","6","6","1","1") = "5"
    & skf21("4","1","6","6","6","6","2","1") = "5"
    & skf21("4","1","6","6","6","6","3","1") = "5"
    & skf21("4","1","6","6","6","6","4","1") = "5"
    & skf21("4","1","6","6","6","6","5","1") = "5"
    & skf21("4","1","6","6","6","6","6","1") = "5"
    & skf21("4","1","6","6","6","6","7","1") = "6"
    & skf21("4","1","6","6","6","7","1","1") = "6"
    & skf21("4","1","6","6","6","7","2","1") = "6"
    & skf21("4","1","6","6","6","7","3","1") = "6"
    & skf21("4","1","6","6","6","7","4","1") = "6"
    & skf21("4","1","6","6","6","7","5","1") = "6"
    & skf21("4","1","6","6","6","7","6","1") = "6"
    & skf21("4","1","6","6","6","7","7","1") = "6"
    & skf21("4","1","6","6","7","1","1","1") = "6"
    & skf21("4","1","6","6","7","1","2","1") = "6"
    & skf21("4","1","6","6","7","1","3","1") = "6"
    & skf21("4","1","6","6","7","1","4","1") = "6"
    & skf21("4","1","6","6","7","1","5","1") = "6"
    & skf21("4","1","6","6","7","1","6","1") = "6"
    & skf21("4","1","6","6","7","1","7","1") = "6"
    & skf21("4","1","6","6","7","2","1","1") = "6"
    & skf21("4","1","6","6","7","2","2","1") = "6"
    & skf21("4","1","6","6","7","2","3","1") = "6"
    & skf21("4","1","6","6","7","2","4","1") = "6"
    & skf21("4","1","6","6","7","2","5","1") = "6"
    & skf21("4","1","6","6","7","2","6","1") = "6"
    & skf21("4","1","6","6","7","2","7","1") = "6"
    & skf21("4","1","6","6","7","3","1","1") = "6"
    & skf21("4","1","6","6","7","3","2","1") = "6"
    & skf21("4","1","6","6","7","3","3","1") = "6"
    & skf21("4","1","6","6","7","3","4","1") = "6"
    & skf21("4","1","6","6","7","3","5","1") = "6"
    & skf21("4","1","6","6","7","3","6","1") = "6"
    & skf21("4","1","6","6","7","3","7","1") = "6"
    & skf21("4","1","6","6","7","4","1","1") = "6"
    & skf21("4","1","6","6","7","4","2","1") = "6"
    & skf21("4","1","6","6","7","4","3","1") = "6"
    & skf21("4","1","6","6","7","4","4","1") = "6"
    & skf21("4","1","6","6","7","4","5","1") = "6"
    & skf21("4","1","6","6","7","4","6","1") = "6"
    & skf21("4","1","6","6","7","4","7","1") = "6"
    & skf21("4","1","6","6","7","5","1","1") = "6"
    & skf21("4","1","6","6","7","5","2","1") = "6"
    & skf21("4","1","6","6","7","5","3","1") = "6"
    & skf21("4","1","6","6","7","5","4","1") = "6"
    & skf21("4","1","6","6","7","5","5","1") = "6"
    & skf21("4","1","6","6","7","5","6","1") = "6"
    & skf21("4","1","6","6","7","5","7","1") = "6"
    & skf21("4","1","6","6","7","6","1","1") = "6"
    & skf21("4","1","6","6","7","6","2","1") = "6"
    & skf21("4","1","6","6","7","6","3","1") = "6"
    & skf21("4","1","6","6","7","6","4","1") = "6"
    & skf21("4","1","6","6","7","6","5","1") = "6"
    & skf21("4","1","6","6","7","6","6","1") = "6"
    & skf21("4","1","6","6","7","6","7","1") = "6"
    & skf21("4","1","6","6","7","7","1","1") = "6"
    & skf21("4","1","6","6","7","7","2","1") = "6"
    & skf21("4","1","6","6","7","7","3","1") = "6"
    & skf21("4","1","6","6","7","7","4","1") = "6"
    & skf21("4","1","6","6","7","7","5","1") = "6"
    & skf21("4","1","6","6","7","7","6","1") = "6"
    & skf21("4","1","6","6","7","7","7","1") = "6"
    & skf21("4","1","6","7","1","1","1","1") = "6"
    & skf21("4","1","6","7","1","1","2","1") = "6"
    & skf21("4","1","6","7","1","1","3","1") = "6"
    & skf21("4","1","6","7","1","1","4","1") = "6"
    & skf21("4","1","6","7","1","1","5","1") = "6"
    & skf21("4","1","6","7","1","1","6","1") = "6"
    & skf21("4","1","6","7","1","1","7","1") = "6"
    & skf21("4","1","6","7","1","2","1","1") = "6"
    & skf21("4","1","6","7","1","2","2","1") = "6"
    & skf21("4","1","6","7","1","2","3","1") = "6"
    & skf21("4","1","6","7","1","2","4","1") = "6"
    & skf21("4","1","6","7","1","2","5","1") = "6"
    & skf21("4","1","6","7","1","2","6","1") = "6"
    & skf21("4","1","6","7","1","2","7","1") = "6"
    & skf21("4","1","6","7","1","3","1","1") = "6"
    & skf21("4","1","6","7","1","3","2","1") = "6"
    & skf21("4","1","6","7","1","3","3","1") = "6"
    & skf21("4","1","6","7","1","3","4","1") = "6"
    & skf21("4","1","6","7","1","3","5","1") = "6"
    & skf21("4","1","6","7","1","3","6","1") = "6"
    & skf21("4","1","6","7","1","3","7","1") = "6"
    & skf21("4","1","6","7","1","4","1","1") = "6"
    & skf21("4","1","6","7","1","4","2","1") = "6"
    & skf21("4","1","6","7","1","4","3","1") = "6"
    & skf21("4","1","6","7","1","4","4","1") = "6"
    & skf21("4","1","6","7","1","4","5","1") = "6"
    & skf21("4","1","6","7","1","4","6","1") = "6"
    & skf21("4","1","6","7","1","4","7","1") = "6"
    & skf21("4","1","6","7","1","5","1","1") = "6"
    & skf21("4","1","6","7","1","5","2","1") = "6"
    & skf21("4","1","6","7","1","5","3","1") = "6"
    & skf21("4","1","6","7","1","5","4","1") = "6"
    & skf21("4","1","6","7","1","5","5","1") = "6"
    & skf21("4","1","6","7","1","5","6","1") = "6"
    & skf21("4","1","6","7","1","5","7","1") = "6"
    & skf21("4","1","6","7","1","6","1","1") = "6"
    & skf21("4","1","6","7","1","6","2","1") = "6"
    & skf21("4","1","6","7","1","6","3","1") = "6"
    & skf21("4","1","6","7","1","6","4","1") = "6"
    & skf21("4","1","6","7","1","6","5","1") = "6"
    & skf21("4","1","6","7","1","6","6","1") = "6"
    & skf21("4","1","6","7","1","6","7","1") = "6"
    & skf21("4","1","6","7","1","7","1","1") = "6"
    & skf21("4","1","6","7","1","7","2","1") = "6"
    & skf21("4","1","6","7","1","7","3","1") = "6"
    & skf21("4","1","6","7","1","7","4","1") = "6"
    & skf21("4","1","6","7","1","7","5","1") = "6"
    & skf21("4","1","6","7","1","7","6","1") = "6"
    & skf21("4","1","6","7","1","7","7","1") = "6"
    & skf21("4","1","6","7","2","1","1","1") = "6"
    & skf21("4","1","6","7","2","1","2","1") = "6"
    & skf21("4","1","6","7","2","1","3","1") = "6"
    & skf21("4","1","6","7","2","1","4","1") = "6"
    & skf21("4","1","6","7","2","1","5","1") = "6"
    & skf21("4","1","6","7","2","1","6","1") = "6"
    & skf21("4","1","6","7","2","1","7","1") = "6"
    & skf21("4","1","6","7","2","2","1","1") = "6"
    & skf21("4","1","6","7","2","2","2","1") = "6"
    & skf21("4","1","6","7","2","2","3","1") = "6"
    & skf21("4","1","6","7","2","2","4","1") = "6"
    & skf21("4","1","6","7","2","2","5","1") = "6"
    & skf21("4","1","6","7","2","2","6","1") = "6"
    & skf21("4","1","6","7","2","2","7","1") = "6"
    & skf21("4","1","6","7","2","3","1","1") = "6"
    & skf21("4","1","6","7","2","3","2","1") = "6"
    & skf21("4","1","6","7","2","3","3","1") = "6"
    & skf21("4","1","6","7","2","3","4","1") = "6"
    & skf21("4","1","6","7","2","3","5","1") = "6"
    & skf21("4","1","6","7","2","3","6","1") = "6"
    & skf21("4","1","6","7","2","3","7","1") = "6"
    & skf21("4","1","6","7","2","4","1","1") = "6"
    & skf21("4","1","6","7","2","4","2","1") = "6"
    & skf21("4","1","6","7","2","4","3","1") = "6"
    & skf21("4","1","6","7","2","4","4","1") = "6"
    & skf21("4","1","6","7","2","4","5","1") = "6"
    & skf21("4","1","6","7","2","4","6","1") = "6"
    & skf21("4","1","6","7","2","4","7","1") = "6"
    & skf21("4","1","6","7","2","5","1","1") = "6"
    & skf21("4","1","6","7","2","5","2","1") = "6"
    & skf21("4","1","6","7","2","5","3","1") = "6"
    & skf21("4","1","6","7","2","5","4","1") = "6"
    & skf21("4","1","6","7","2","5","5","1") = "6"
    & skf21("4","1","6","7","2","5","6","1") = "6"
    & skf21("4","1","6","7","2","5","7","1") = "6"
    & skf21("4","1","6","7","2","6","1","1") = "6"
    & skf21("4","1","6","7","2","6","2","1") = "6"
    & skf21("4","1","6","7","2","6","3","1") = "6"
    & skf21("4","1","6","7","2","6","4","1") = "6"
    & skf21("4","1","6","7","2","6","5","1") = "6"
    & skf21("4","1","6","7","2","6","6","1") = "6"
    & skf21("4","1","6","7","2","6","7","1") = "6"
    & skf21("4","1","6","7","2","7","1","1") = "6"
    & skf21("4","1","6","7","2","7","2","1") = "6"
    & skf21("4","1","6","7","2","7","3","1") = "6"
    & skf21("4","1","6","7","2","7","4","1") = "6"
    & skf21("4","1","6","7","2","7","5","1") = "6"
    & skf21("4","1","6","7","2","7","6","1") = "6"
    & skf21("4","1","6","7","2","7","7","1") = "6"
    & skf21("4","1","6","7","3","1","1","1") = "6"
    & skf21("4","1","6","7","3","1","2","1") = "6"
    & skf21("4","1","6","7","3","1","3","1") = "6"
    & skf21("4","1","6","7","3","1","4","1") = "6"
    & skf21("4","1","6","7","3","1","5","1") = "6"
    & skf21("4","1","6","7","3","1","6","1") = "6"
    & skf21("4","1","6","7","3","1","7","1") = "6"
    & skf21("4","1","6","7","3","2","1","1") = "6"
    & skf21("4","1","6","7","3","2","2","1") = "6"
    & skf21("4","1","6","7","3","2","3","1") = "6"
    & skf21("4","1","6","7","3","2","4","1") = "6"
    & skf21("4","1","6","7","3","2","5","1") = "6"
    & skf21("4","1","6","7","3","2","6","1") = "6"
    & skf21("4","1","6","7","3","2","7","1") = "6"
    & skf21("4","1","6","7","3","3","1","1") = "6"
    & skf21("4","1","6","7","3","3","2","1") = "6"
    & skf21("4","1","6","7","3","3","3","1") = "6"
    & skf21("4","1","6","7","3","3","4","1") = "6"
    & skf21("4","1","6","7","3","3","5","1") = "6"
    & skf21("4","1","6","7","3","3","6","1") = "6"
    & skf21("4","1","6","7","3","3","7","1") = "6"
    & skf21("4","1","6","7","3","4","1","1") = "6"
    & skf21("4","1","6","7","3","4","2","1") = "6"
    & skf21("4","1","6","7","3","4","3","1") = "6"
    & skf21("4","1","6","7","3","4","4","1") = "6"
    & skf21("4","1","6","7","3","4","5","1") = "6"
    & skf21("4","1","6","7","3","4","6","1") = "6"
    & skf21("4","1","6","7","3","4","7","1") = "6"
    & skf21("4","1","6","7","3","5","1","1") = "6"
    & skf21("4","1","6","7","3","5","2","1") = "6"
    & skf21("4","1","6","7","3","5","3","1") = "6"
    & skf21("4","1","6","7","3","5","4","1") = "6"
    & skf21("4","1","6","7","3","5","5","1") = "6"
    & skf21("4","1","6","7","3","5","6","1") = "6"
    & skf21("4","1","6","7","3","5","7","1") = "6"
    & skf21("4","1","6","7","3","6","1","1") = "6"
    & skf21("4","1","6","7","3","6","2","1") = "6"
    & skf21("4","1","6","7","3","6","3","1") = "6"
    & skf21("4","1","6","7","3","6","4","1") = "6"
    & skf21("4","1","6","7","3","6","5","1") = "6"
    & skf21("4","1","6","7","3","6","6","1") = "6"
    & skf21("4","1","6","7","3","6","7","1") = "6"
    & skf21("4","1","6","7","3","7","1","1") = "6"
    & skf21("4","1","6","7","3","7","2","1") = "6"
    & skf21("4","1","6","7","3","7","3","1") = "6"
    & skf21("4","1","6","7","3","7","4","1") = "6"
    & skf21("4","1","6","7","3","7","5","1") = "6"
    & skf21("4","1","6","7","3","7","6","1") = "6"
    & skf21("4","1","6","7","3","7","7","1") = "6"
    & skf21("4","1","6","7","4","1","1","1") = "6"
    & skf21("4","1","6","7","4","1","2","1") = "6"
    & skf21("4","1","6","7","4","1","3","1") = "6"
    & skf21("4","1","6","7","4","1","4","1") = "6"
    & skf21("4","1","6","7","4","1","5","1") = "6"
    & skf21("4","1","6","7","4","1","6","1") = "6"
    & skf21("4","1","6","7","4","1","7","1") = "6"
    & skf21("4","1","6","7","4","2","1","1") = "6"
    & skf21("4","1","6","7","4","2","2","1") = "6"
    & skf21("4","1","6","7","4","2","3","1") = "6"
    & skf21("4","1","6","7","4","2","4","1") = "6"
    & skf21("4","1","6","7","4","2","5","1") = "6"
    & skf21("4","1","6","7","4","2","6","1") = "6"
    & skf21("4","1","6","7","4","2","7","1") = "6"
    & skf21("4","1","6","7","4","3","1","1") = "6"
    & skf21("4","1","6","7","4","3","2","1") = "6"
    & skf21("4","1","6","7","4","3","3","1") = "6"
    & skf21("4","1","6","7","4","3","4","1") = "6"
    & skf21("4","1","6","7","4","3","5","1") = "6"
    & skf21("4","1","6","7","4","3","6","1") = "6"
    & skf21("4","1","6","7","4","3","7","1") = "6"
    & skf21("4","1","6","7","4","4","1","1") = "6"
    & skf21("4","1","6","7","4","4","2","1") = "6"
    & skf21("4","1","6","7","4","4","3","1") = "6"
    & skf21("4","1","6","7","4","4","4","1") = "6"
    & skf21("4","1","6","7","4","4","5","1") = "6"
    & skf21("4","1","6","7","4","4","6","1") = "6"
    & skf21("4","1","6","7","4","4","7","1") = "6"
    & skf21("4","1","6","7","4","5","1","1") = "6"
    & skf21("4","1","6","7","4","5","2","1") = "6"
    & skf21("4","1","6","7","4","5","3","1") = "6"
    & skf21("4","1","6","7","4","5","4","1") = "6"
    & skf21("4","1","6","7","4","5","5","1") = "6"
    & skf21("4","1","6","7","4","5","6","1") = "6"
    & skf21("4","1","6","7","4","5","7","1") = "6"
    & skf21("4","1","6","7","4","6","1","1") = "6"
    & skf21("4","1","6","7","4","6","2","1") = "6"
    & skf21("4","1","6","7","4","6","3","1") = "6"
    & skf21("4","1","6","7","4","6","4","1") = "6"
    & skf21("4","1","6","7","4","6","5","1") = "6"
    & skf21("4","1","6","7","4","6","6","1") = "6"
    & skf21("4","1","6","7","4","6","7","1") = "6"
    & skf21("4","1","6","7","4","7","1","1") = "6"
    & skf21("4","1","6","7","4","7","2","1") = "6"
    & skf21("4","1","6","7","4","7","3","1") = "6"
    & skf21("4","1","6","7","4","7","4","1") = "6"
    & skf21("4","1","6","7","4","7","5","1") = "6"
    & skf21("4","1","6","7","4","7","6","1") = "6"
    & skf21("4","1","6","7","4","7","7","1") = "6"
    & skf21("4","1","6","7","5","1","1","1") = "6"
    & skf21("4","1","6","7","5","1","2","1") = "6"
    & skf21("4","1","6","7","5","1","3","1") = "6"
    & skf21("4","1","6","7","5","1","4","1") = "6"
    & skf21("4","1","6","7","5","1","5","1") = "6"
    & skf21("4","1","6","7","5","1","6","1") = "6"
    & skf21("4","1","6","7","5","1","7","1") = "6"
    & skf21("4","1","6","7","5","2","1","1") = "6"
    & skf21("4","1","6","7","5","2","2","1") = "6"
    & skf21("4","1","6","7","5","2","3","1") = "6"
    & skf21("4","1","6","7","5","2","4","1") = "6"
    & skf21("4","1","6","7","5","2","5","1") = "6"
    & skf21("4","1","6","7","5","2","6","1") = "6"
    & skf21("4","1","6","7","5","2","7","1") = "6"
    & skf21("4","1","6","7","5","3","1","1") = "6"
    & skf21("4","1","6","7","5","3","2","1") = "6"
    & skf21("4","1","6","7","5","3","3","1") = "6"
    & skf21("4","1","6","7","5","3","4","1") = "6"
    & skf21("4","1","6","7","5","3","5","1") = "6"
    & skf21("4","1","6","7","5","3","6","1") = "6"
    & skf21("4","1","6","7","5","3","7","1") = "6"
    & skf21("4","1","6","7","5","4","1","1") = "6"
    & skf21("4","1","6","7","5","4","2","1") = "6"
    & skf21("4","1","6","7","5","4","3","1") = "6"
    & skf21("4","1","6","7","5","4","4","1") = "6"
    & skf21("4","1","6","7","5","4","5","1") = "6"
    & skf21("4","1","6","7","5","4","6","1") = "6"
    & skf21("4","1","6","7","5","4","7","1") = "6"
    & skf21("4","1","6","7","5","5","1","1") = "6"
    & skf21("4","1","6","7","5","5","2","1") = "6"
    & skf21("4","1","6","7","5","5","3","1") = "6"
    & skf21("4","1","6","7","5","5","4","1") = "6"
    & skf21("4","1","6","7","5","5","5","1") = "6"
    & skf21("4","1","6","7","5","5","6","1") = "6"
    & skf21("4","1","6","7","5","5","7","1") = "6"
    & skf21("4","1","6","7","5","6","1","1") = "6"
    & skf21("4","1","6","7","5","6","2","1") = "6"
    & skf21("4","1","6","7","5","6","3","1") = "6"
    & skf21("4","1","6","7","5","6","4","1") = "6"
    & skf21("4","1","6","7","5","6","5","1") = "6"
    & skf21("4","1","6","7","5","6","6","1") = "6"
    & skf21("4","1","6","7","5","6","7","1") = "6"
    & skf21("4","1","6","7","5","7","1","1") = "6"
    & skf21("4","1","6","7","5","7","2","1") = "6"
    & skf21("4","1","6","7","5","7","3","1") = "6"
    & skf21("4","1","6","7","5","7","4","1") = "6"
    & skf21("4","1","6","7","5","7","5","1") = "6"
    & skf21("4","1","6","7","5","7","6","1") = "6"
    & skf21("4","1","6","7","5","7","7","1") = "6"
    & skf21("4","1","6","7","6","1","1","1") = "6"
    & skf21("4","1","6","7","6","1","2","1") = "6"
    & skf21("4","1","6","7","6","1","3","1") = "6"
    & skf21("4","1","6","7","6","1","4","1") = "6"
    & skf21("4","1","6","7","6","1","5","1") = "6"
    & skf21("4","1","6","7","6","1","6","1") = "6"
    & skf21("4","1","6","7","6","1","7","1") = "6"
    & skf21("4","1","6","7","6","2","1","1") = "6"
    & skf21("4","1","6","7","6","2","2","1") = "6"
    & skf21("4","1","6","7","6","2","3","1") = "6"
    & skf21("4","1","6","7","6","2","4","1") = "6"
    & skf21("4","1","6","7","6","2","5","1") = "6"
    & skf21("4","1","6","7","6","2","6","1") = "6"
    & skf21("4","1","6","7","6","2","7","1") = "6"
    & skf21("4","1","6","7","6","3","1","1") = "6"
    & skf21("4","1","6","7","6","3","2","1") = "6"
    & skf21("4","1","6","7","6","3","3","1") = "6"
    & skf21("4","1","6","7","6","3","4","1") = "6"
    & skf21("4","1","6","7","6","3","5","1") = "6"
    & skf21("4","1","6","7","6","3","6","1") = "6"
    & skf21("4","1","6","7","6","3","7","1") = "6"
    & skf21("4","1","6","7","6","4","1","1") = "6"
    & skf21("4","1","6","7","6","4","2","1") = "6"
    & skf21("4","1","6","7","6","4","3","1") = "6"
    & skf21("4","1","6","7","6","4","4","1") = "6"
    & skf21("4","1","6","7","6","4","5","1") = "6"
    & skf21("4","1","6","7","6","4","6","1") = "6"
    & skf21("4","1","6","7","6","4","7","1") = "6"
    & skf21("4","1","6","7","6","5","1","1") = "6"
    & skf21("4","1","6","7","6","5","2","1") = "6"
    & skf21("4","1","6","7","6","5","3","1") = "6"
    & skf21("4","1","6","7","6","5","4","1") = "6"
    & skf21("4","1","6","7","6","5","5","1") = "6"
    & skf21("4","1","6","7","6","5","6","1") = "6"
    & skf21("4","1","6","7","6","5","7","1") = "6"
    & skf21("4","1","6","7","6","6","1","1") = "6"
    & skf21("4","1","6","7","6","6","2","1") = "6"
    & skf21("4","1","6","7","6","6","3","1") = "6"
    & skf21("4","1","6","7","6","6","4","1") = "6"
    & skf21("4","1","6","7","6","6","5","1") = "6"
    & skf21("4","1","6","7","6","6","6","1") = "6"
    & skf21("4","1","6","7","6","6","7","1") = "6"
    & skf21("4","1","6","7","6","7","1","1") = "6"
    & skf21("4","1","6","7","6","7","2","1") = "6"
    & skf21("4","1","6","7","6","7","3","1") = "6"
    & skf21("4","1","6","7","6","7","4","1") = "6"
    & skf21("4","1","6","7","6","7","5","1") = "6"
    & skf21("4","1","6","7","6","7","6","1") = "6"
    & skf21("4","1","6","7","6","7","7","1") = "6"
    & skf21("4","1","6","7","7","1","1","1") = "6"
    & skf21("4","1","6","7","7","1","2","1") = "6"
    & skf21("4","1","6","7","7","1","3","1") = "6"
    & skf21("4","1","6","7","7","1","4","1") = "6"
    & skf21("4","1","6","7","7","1","5","1") = "6"
    & skf21("4","1","6","7","7","1","6","1") = "6"
    & skf21("4","1","6","7","7","1","7","1") = "6"
    & skf21("4","1","6","7","7","2","1","1") = "6"
    & skf21("4","1","6","7","7","2","2","1") = "6"
    & skf21("4","1","6","7","7","2","3","1") = "6"
    & skf21("4","1","6","7","7","2","4","1") = "6"
    & skf21("4","1","6","7","7","2","5","1") = "6"
    & skf21("4","1","6","7","7","2","6","1") = "6"
    & skf21("4","1","6","7","7","2","7","1") = "6"
    & skf21("4","1","6","7","7","3","1","1") = "6"
    & skf21("4","1","6","7","7","3","2","1") = "6"
    & skf21("4","1","6","7","7","3","3","1") = "6"
    & skf21("4","1","6","7","7","3","4","1") = "6"
    & skf21("4","1","6","7","7","3","5","1") = "6"
    & skf21("4","1","6","7","7","3","6","1") = "6"
    & skf21("4","1","6","7","7","3","7","1") = "6"
    & skf21("4","1","6","7","7","4","1","1") = "6"
    & skf21("4","1","6","7","7","4","2","1") = "6"
    & skf21("4","1","6","7","7","4","3","1") = "6"
    & skf21("4","1","6","7","7","4","4","1") = "6"
    & skf21("4","1","6","7","7","4","5","1") = "6"
    & skf21("4","1","6","7","7","4","6","1") = "6"
    & skf21("4","1","6","7","7","4","7","1") = "6"
    & skf21("4","1","6","7","7","5","1","1") = "6"
    & skf21("4","1","6","7","7","5","2","1") = "6"
    & skf21("4","1","6","7","7","5","3","1") = "6"
    & skf21("4","1","6","7","7","5","4","1") = "6"
    & skf21("4","1","6","7","7","5","5","1") = "6"
    & skf21("4","1","6","7","7","5","6","1") = "6"
    & skf21("4","1","6","7","7","5","7","1") = "6"
    & skf21("4","1","6","7","7","6","1","1") = "6"
    & skf21("4","1","6","7","7","6","2","1") = "6"
    & skf21("4","1","6","7","7","6","3","1") = "6"
    & skf21("4","1","6","7","7","6","4","1") = "6"
    & skf21("4","1","6","7","7","6","5","1") = "6"
    & skf21("4","1","6","7","7","6","6","1") = "6"
    & skf21("4","1","6","7","7","6","7","1") = "6"
    & skf21("4","1","6","7","7","7","1","1") = "6"
    & skf21("4","1","6","7","7","7","2","1") = "6"
    & skf21("4","1","6","7","7","7","3","1") = "6"
    & skf21("4","1","6","7","7","7","4","1") = "6"
    & skf21("4","1","6","7","7","7","5","1") = "6"
    & skf21("4","1","6","7","7","7","6","1") = "6"
    & skf21("4","1","6","7","7","7","7","1") = "6"
    & skf21("4","1","7","1","1","1","1","1") = "6"
    & skf21("4","1","7","1","1","1","2","1") = "6"
    & skf21("4","1","7","1","1","1","3","1") = "6"
    & skf21("4","1","7","1","1","1","4","1") = "6"
    & skf21("4","1","7","1","1","1","5","1") = "6"
    & skf21("4","1","7","1","1","1","6","1") = "6"
    & skf21("4","1","7","1","1","1","7","1") = "6"
    & skf21("4","1","7","1","1","2","1","1") = "6"
    & skf21("4","1","7","1","1","2","2","1") = "6"
    & skf21("4","1","7","1","1","2","3","1") = "6"
    & skf21("4","1","7","1","1","2","4","1") = "6"
    & skf21("4","1","7","1","1","2","5","1") = "6"
    & skf21("4","1","7","1","1","2","6","1") = "6"
    & skf21("4","1","7","1","1","2","7","1") = "6"
    & skf21("4","1","7","1","1","3","1","1") = "6"
    & skf21("4","1","7","1","1","3","2","1") = "6"
    & skf21("4","1","7","1","1","3","3","1") = "6"
    & skf21("4","1","7","1","1","3","4","1") = "6"
    & skf21("4","1","7","1","1","3","5","1") = "6"
    & skf21("4","1","7","1","1","3","6","1") = "6"
    & skf21("4","1","7","1","1","3","7","1") = "6"
    & skf21("4","1","7","1","1","4","1","1") = "6"
    & skf21("4","1","7","1","1","4","2","1") = "6"
    & skf21("4","1","7","1","1","4","3","1") = "6"
    & skf21("4","1","7","1","1","4","4","1") = "6"
    & skf21("4","1","7","1","1","4","5","1") = "6"
    & skf21("4","1","7","1","1","4","6","1") = "6"
    & skf21("4","1","7","1","1","4","7","1") = "6"
    & skf21("4","1","7","1","1","5","1","1") = "6"
    & skf21("4","1","7","1","1","5","2","1") = "6"
    & skf21("4","1","7","1","1","5","3","1") = "6"
    & skf21("4","1","7","1","1","5","4","1") = "6"
    & skf21("4","1","7","1","1","5","5","1") = "6"
    & skf21("4","1","7","1","1","5","6","1") = "6"
    & skf21("4","1","7","1","1","5","7","1") = "6"
    & skf21("4","1","7","1","1","6","1","1") = "6"
    & skf21("4","1","7","1","1","6","2","1") = "6"
    & skf21("4","1","7","1","1","6","3","1") = "6"
    & skf21("4","1","7","1","1","6","4","1") = "6"
    & skf21("4","1","7","1","1","6","5","1") = "6"
    & skf21("4","1","7","1","1","6","6","1") = "6"
    & skf21("4","1","7","1","1","6","7","1") = "6"
    & skf21("4","1","7","1","1","7","1","1") = "6"
    & skf21("4","1","7","1","1","7","2","1") = "6"
    & skf21("4","1","7","1","1","7","3","1") = "6"
    & skf21("4","1","7","1","1","7","4","1") = "6"
    & skf21("4","1","7","1","1","7","5","1") = "6"
    & skf21("4","1","7","1","1","7","6","1") = "6"
    & skf21("4","1","7","1","1","7","7","1") = "6"
    & skf21("4","1","7","1","2","1","1","1") = "6"
    & skf21("4","1","7","1","2","1","2","1") = "6"
    & skf21("4","1","7","1","2","1","3","1") = "6"
    & skf21("4","1","7","1","2","1","4","1") = "6"
    & skf21("4","1","7","1","2","1","5","1") = "6"
    & skf21("4","1","7","1","2","1","6","1") = "6"
    & skf21("4","1","7","1","2","1","7","1") = "6"
    & skf21("4","1","7","1","2","2","1","1") = "6"
    & skf21("4","1","7","1","2","2","2","1") = "6"
    & skf21("4","1","7","1","2","2","3","1") = "6"
    & skf21("4","1","7","1","2","2","4","1") = "6"
    & skf21("4","1","7","1","2","2","5","1") = "6"
    & skf21("4","1","7","1","2","2","6","1") = "6"
    & skf21("4","1","7","1","2","2","7","1") = "6"
    & skf21("4","1","7","1","2","3","1","1") = "6"
    & skf21("4","1","7","1","2","3","2","1") = "6"
    & skf21("4","1","7","1","2","3","3","1") = "6"
    & skf21("4","1","7","1","2","3","4","1") = "6"
    & skf21("4","1","7","1","2","3","5","1") = "6"
    & skf21("4","1","7","1","2","3","6","1") = "6"
    & skf21("4","1","7","1","2","3","7","1") = "6"
    & skf21("4","1","7","1","2","4","1","1") = "6"
    & skf21("4","1","7","1","2","4","2","1") = "6"
    & skf21("4","1","7","1","2","4","3","1") = "6"
    & skf21("4","1","7","1","2","4","4","1") = "6"
    & skf21("4","1","7","1","2","4","5","1") = "6"
    & skf21("4","1","7","1","2","4","6","1") = "6"
    & skf21("4","1","7","1","2","4","7","1") = "6"
    & skf21("4","1","7","1","2","5","1","1") = "6"
    & skf21("4","1","7","1","2","5","2","1") = "6"
    & skf21("4","1","7","1","2","5","3","1") = "6"
    & skf21("4","1","7","1","2","5","4","1") = "6"
    & skf21("4","1","7","1","2","5","5","1") = "6"
    & skf21("4","1","7","1","2","5","6","1") = "6"
    & skf21("4","1","7","1","2","5","7","1") = "6"
    & skf21("4","1","7","1","2","6","1","1") = "6"
    & skf21("4","1","7","1","2","6","2","1") = "6"
    & skf21("4","1","7","1","2","6","3","1") = "6"
    & skf21("4","1","7","1","2","6","4","1") = "6"
    & skf21("4","1","7","1","2","6","5","1") = "6"
    & skf21("4","1","7","1","2","6","6","1") = "6"
    & skf21("4","1","7","1","2","6","7","1") = "6"
    & skf21("4","1","7","1","2","7","1","1") = "6"
    & skf21("4","1","7","1","2","7","2","1") = "6"
    & skf21("4","1","7","1","2","7","3","1") = "6"
    & skf21("4","1","7","1","2","7","4","1") = "6"
    & skf21("4","1","7","1","2","7","5","1") = "6"
    & skf21("4","1","7","1","2","7","6","1") = "6"
    & skf21("4","1","7","1","2","7","7","1") = "6"
    & skf21("4","1","7","1","3","1","1","1") = "6"
    & skf21("4","1","7","1","3","1","2","1") = "6"
    & skf21("4","1","7","1","3","1","3","1") = "6"
    & skf21("4","1","7","1","3","1","4","1") = "6"
    & skf21("4","1","7","1","3","1","5","1") = "6"
    & skf21("4","1","7","1","3","1","6","1") = "6"
    & skf21("4","1","7","1","3","1","7","1") = "6"
    & skf21("4","1","7","1","3","2","1","1") = "6"
    & skf21("4","1","7","1","3","2","2","1") = "6"
    & skf21("4","1","7","1","3","2","3","1") = "6"
    & skf21("4","1","7","1","3","2","4","1") = "6"
    & skf21("4","1","7","1","3","2","5","1") = "6"
    & skf21("4","1","7","1","3","2","6","1") = "6"
    & skf21("4","1","7","1","3","2","7","1") = "6"
    & skf21("4","1","7","1","3","3","1","1") = "6"
    & skf21("4","1","7","1","3","3","2","1") = "6"
    & skf21("4","1","7","1","3","3","3","1") = "6"
    & skf21("4","1","7","1","3","3","4","1") = "6"
    & skf21("4","1","7","1","3","3","5","1") = "6"
    & skf21("4","1","7","1","3","3","6","1") = "6"
    & skf21("4","1","7","1","3","3","7","1") = "6"
    & skf21("4","1","7","1","3","4","1","1") = "6"
    & skf21("4","1","7","1","3","4","2","1") = "6"
    & skf21("4","1","7","1","3","4","3","1") = "6"
    & skf21("4","1","7","1","3","4","4","1") = "6"
    & skf21("4","1","7","1","3","4","5","1") = "6"
    & skf21("4","1","7","1","3","4","6","1") = "6"
    & skf21("4","1","7","1","3","4","7","1") = "6"
    & skf21("4","1","7","1","3","5","1","1") = "6"
    & skf21("4","1","7","1","3","5","2","1") = "6"
    & skf21("4","1","7","1","3","5","3","1") = "6"
    & skf21("4","1","7","1","3","5","4","1") = "6"
    & skf21("4","1","7","1","3","5","5","1") = "6"
    & skf21("4","1","7","1","3","5","6","1") = "6"
    & skf21("4","1","7","1","3","5","7","1") = "6"
    & skf21("4","1","7","1","3","6","1","1") = "6"
    & skf21("4","1","7","1","3","6","2","1") = "6"
    & skf21("4","1","7","1","3","6","3","1") = "6"
    & skf21("4","1","7","1","3","6","4","1") = "6"
    & skf21("4","1","7","1","3","6","5","1") = "6"
    & skf21("4","1","7","1","3","6","6","1") = "6"
    & skf21("4","1","7","1","3","6","7","1") = "6"
    & skf21("4","1","7","1","3","7","1","1") = "6"
    & skf21("4","1","7","1","3","7","2","1") = "6"
    & skf21("4","1","7","1","3","7","3","1") = "6"
    & skf21("4","1","7","1","3","7","4","1") = "6"
    & skf21("4","1","7","1","3","7","5","1") = "6"
    & skf21("4","1","7","1","3","7","6","1") = "6"
    & skf21("4","1","7","1","3","7","7","1") = "6"
    & skf21("4","1","7","1","4","1","1","1") = "6"
    & skf21("4","1","7","1","4","1","2","1") = "6"
    & skf21("4","1","7","1","4","1","3","1") = "6"
    & skf21("4","1","7","1","4","1","4","1") = "6"
    & skf21("4","1","7","1","4","1","5","1") = "6"
    & skf21("4","1","7","1","4","1","6","1") = "6"
    & skf21("4","1","7","1","4","1","7","1") = "6"
    & skf21("4","1","7","1","4","2","1","1") = "6"
    & skf21("4","1","7","1","4","2","2","1") = "6"
    & skf21("4","1","7","1","4","2","3","1") = "6"
    & skf21("4","1","7","1","4","2","4","1") = "6"
    & skf21("4","1","7","1","4","2","5","1") = "6"
    & skf21("4","1","7","1","4","2","6","1") = "6"
    & skf21("4","1","7","1","4","2","7","1") = "6"
    & skf21("4","1","7","1","4","3","1","1") = "6"
    & skf21("4","1","7","1","4","3","2","1") = "6"
    & skf21("4","1","7","1","4","3","3","1") = "6"
    & skf21("4","1","7","1","4","3","4","1") = "6"
    & skf21("4","1","7","1","4","3","5","1") = "6"
    & skf21("4","1","7","1","4","3","6","1") = "6"
    & skf21("4","1","7","1","4","3","7","1") = "6"
    & skf21("4","1","7","1","4","4","1","1") = "6"
    & skf21("4","1","7","1","4","4","2","1") = "6"
    & skf21("4","1","7","1","4","4","3","1") = "6"
    & skf21("4","1","7","1","4","4","4","1") = "6"
    & skf21("4","1","7","1","4","4","5","1") = "6"
    & skf21("4","1","7","1","4","4","6","1") = "6"
    & skf21("4","1","7","1","4","4","7","1") = "6"
    & skf21("4","1","7","1","4","5","1","1") = "6"
    & skf21("4","1","7","1","4","5","2","1") = "6"
    & skf21("4","1","7","1","4","5","3","1") = "6"
    & skf21("4","1","7","1","4","5","4","1") = "6"
    & skf21("4","1","7","1","4","5","5","1") = "6"
    & skf21("4","1","7","1","4","5","6","1") = "6"
    & skf21("4","1","7","1","4","5","7","1") = "6"
    & skf21("4","1","7","1","4","6","1","1") = "6"
    & skf21("4","1","7","1","4","6","2","1") = "6"
    & skf21("4","1","7","1","4","6","3","1") = "6"
    & skf21("4","1","7","1","4","6","4","1") = "6"
    & skf21("4","1","7","1","4","6","5","1") = "6"
    & skf21("4","1","7","1","4","6","6","1") = "6"
    & skf21("4","1","7","1","4","6","7","1") = "6"
    & skf21("4","1","7","1","4","7","1","1") = "6"
    & skf21("4","1","7","1","4","7","2","1") = "6"
    & skf21("4","1","7","1","4","7","3","1") = "6"
    & skf21("4","1","7","1","4","7","4","1") = "6"
    & skf21("4","1","7","1","4","7","5","1") = "6"
    & skf21("4","1","7","1","4","7","6","1") = "6"
    & skf21("4","1","7","1","4","7","7","1") = "6"
    & skf21("4","1","7","1","5","1","1","1") = "6"
    & skf21("4","1","7","1","5","1","2","1") = "6"
    & skf21("4","1","7","1","5","1","3","1") = "6"
    & skf21("4","1","7","1","5","1","4","1") = "6"
    & skf21("4","1","7","1","5","1","5","1") = "6"
    & skf21("4","1","7","1","5","1","6","1") = "6"
    & skf21("4","1","7","1","5","1","7","1") = "6"
    & skf21("4","1","7","1","5","2","1","1") = "6"
    & skf21("4","1","7","1","5","2","2","1") = "6"
    & skf21("4","1","7","1","5","2","3","1") = "6"
    & skf21("4","1","7","1","5","2","4","1") = "6"
    & skf21("4","1","7","1","5","2","5","1") = "6"
    & skf21("4","1","7","1","5","2","6","1") = "6"
    & skf21("4","1","7","1","5","2","7","1") = "6"
    & skf21("4","1","7","1","5","3","1","1") = "6"
    & skf21("4","1","7","1","5","3","2","1") = "6"
    & skf21("4","1","7","1","5","3","3","1") = "6"
    & skf21("4","1","7","1","5","3","4","1") = "6"
    & skf21("4","1","7","1","5","3","5","1") = "6"
    & skf21("4","1","7","1","5","3","6","1") = "6"
    & skf21("4","1","7","1","5","3","7","1") = "6"
    & skf21("4","1","7","1","5","4","1","1") = "6"
    & skf21("4","1","7","1","5","4","2","1") = "6"
    & skf21("4","1","7","1","5","4","3","1") = "6"
    & skf21("4","1","7","1","5","4","4","1") = "6"
    & skf21("4","1","7","1","5","4","5","1") = "6"
    & skf21("4","1","7","1","5","4","6","1") = "6"
    & skf21("4","1","7","1","5","4","7","1") = "6"
    & skf21("4","1","7","1","5","5","1","1") = "6"
    & skf21("4","1","7","1","5","5","2","1") = "6"
    & skf21("4","1","7","1","5","5","3","1") = "6"
    & skf21("4","1","7","1","5","5","4","1") = "6"
    & skf21("4","1","7","1","5","5","5","1") = "6"
    & skf21("4","1","7","1","5","5","6","1") = "6"
    & skf21("4","1","7","1","5","5","7","1") = "6"
    & skf21("4","1","7","1","5","6","1","1") = "6"
    & skf21("4","1","7","1","5","6","2","1") = "6"
    & skf21("4","1","7","1","5","6","3","1") = "6"
    & skf21("4","1","7","1","5","6","4","1") = "6"
    & skf21("4","1","7","1","5","6","5","1") = "6"
    & skf21("4","1","7","1","5","6","6","1") = "6"
    & skf21("4","1","7","1","5","6","7","1") = "6"
    & skf21("4","1","7","1","5","7","1","1") = "6"
    & skf21("4","1","7","1","5","7","2","1") = "6"
    & skf21("4","1","7","1","5","7","3","1") = "6"
    & skf21("4","1","7","1","5","7","4","1") = "6"
    & skf21("4","1","7","1","5","7","5","1") = "6"
    & skf21("4","1","7","1","5","7","6","1") = "6"
    & skf21("4","1","7","1","5","7","7","1") = "6"
    & skf21("4","1","7","1","6","1","1","1") = "6"
    & skf21("4","1","7","1","6","1","2","1") = "6"
    & skf21("4","1","7","1","6","1","3","1") = "6"
    & skf21("4","1","7","1","6","1","4","1") = "6"
    & skf21("4","1","7","1","6","1","5","1") = "6"
    & skf21("4","1","7","1","6","1","6","1") = "6"
    & skf21("4","1","7","1","6","1","7","1") = "6"
    & skf21("4","1","7","1","6","2","1","1") = "6"
    & skf21("4","1","7","1","6","2","2","1") = "6"
    & skf21("4","1","7","1","6","2","3","1") = "6"
    & skf21("4","1","7","1","6","2","4","1") = "6"
    & skf21("4","1","7","1","6","2","5","1") = "6"
    & skf21("4","1","7","1","6","2","6","1") = "6"
    & skf21("4","1","7","1","6","2","7","1") = "6"
    & skf21("4","1","7","1","6","3","1","1") = "6"
    & skf21("4","1","7","1","6","3","2","1") = "6"
    & skf21("4","1","7","1","6","3","3","1") = "6"
    & skf21("4","1","7","1","6","3","4","1") = "6"
    & skf21("4","1","7","1","6","3","5","1") = "6"
    & skf21("4","1","7","1","6","3","6","1") = "6"
    & skf21("4","1","7","1","6","3","7","1") = "6"
    & skf21("4","1","7","1","6","4","1","1") = "6"
    & skf21("4","1","7","1","6","4","2","1") = "6"
    & skf21("4","1","7","1","6","4","3","1") = "6"
    & skf21("4","1","7","1","6","4","4","1") = "6"
    & skf21("4","1","7","1","6","4","5","1") = "6"
    & skf21("4","1","7","1","6","4","6","1") = "6"
    & skf21("4","1","7","1","6","4","7","1") = "6"
    & skf21("4","1","7","1","6","5","1","1") = "6"
    & skf21("4","1","7","1","6","5","2","1") = "6"
    & skf21("4","1","7","1","6","5","3","1") = "6"
    & skf21("4","1","7","1","6","5","4","1") = "6"
    & skf21("4","1","7","1","6","5","5","1") = "6"
    & skf21("4","1","7","1","6","5","6","1") = "6"
    & skf21("4","1","7","1","6","5","7","1") = "6"
    & skf21("4","1","7","1","6","6","1","1") = "6"
    & skf21("4","1","7","1","6","6","2","1") = "6"
    & skf21("4","1","7","1","6","6","3","1") = "6"
    & skf21("4","1","7","1","6","6","4","1") = "6"
    & skf21("4","1","7","1","6","6","5","1") = "6"
    & skf21("4","1","7","1","6","6","6","1") = "6"
    & skf21("4","1","7","1","6","6","7","1") = "6"
    & skf21("4","1","7","1","6","7","1","1") = "6"
    & skf21("4","1","7","1","6","7","2","1") = "6"
    & skf21("4","1","7","1","6","7","3","1") = "6"
    & skf21("4","1","7","1","6","7","4","1") = "6"
    & skf21("4","1","7","1","6","7","5","1") = "6"
    & skf21("4","1","7","1","6","7","6","1") = "6"
    & skf21("4","1","7","1","6","7","7","1") = "6"
    & skf21("4","1","7","1","7","1","1","1") = "6"
    & skf21("4","1","7","1","7","1","2","1") = "6"
    & skf21("4","1","7","1","7","1","3","1") = "6"
    & skf21("4","1","7","1","7","1","4","1") = "6"
    & skf21("4","1","7","1","7","1","5","1") = "6"
    & skf21("4","1","7","1","7","1","6","1") = "6"
    & skf21("4","1","7","1","7","1","7","1") = "6"
    & skf21("4","1","7","1","7","2","1","1") = "6"
    & skf21("4","1","7","1","7","2","2","1") = "6"
    & skf21("4","1","7","1","7","2","3","1") = "6"
    & skf21("4","1","7","1","7","2","4","1") = "6"
    & skf21("4","1","7","1","7","2","5","1") = "6"
    & skf21("4","1","7","1","7","2","6","1") = "6"
    & skf21("4","1","7","1","7","2","7","1") = "6"
    & skf21("4","1","7","1","7","3","1","1") = "6"
    & skf21("4","1","7","1","7","3","2","1") = "6"
    & skf21("4","1","7","1","7","3","3","1") = "6"
    & skf21("4","1","7","1","7","3","4","1") = "6"
    & skf21("4","1","7","1","7","3","5","1") = "6"
    & skf21("4","1","7","1","7","3","6","1") = "6"
    & skf21("4","1","7","1","7","3","7","1") = "6"
    & skf21("4","1","7","1","7","4","1","1") = "6"
    & skf21("4","1","7","1","7","4","2","1") = "6"
    & skf21("4","1","7","1","7","4","3","1") = "6"
    & skf21("4","1","7","1","7","4","4","1") = "6"
    & skf21("4","1","7","1","7","4","5","1") = "6"
    & skf21("4","1","7","1","7","4","6","1") = "6"
    & skf21("4","1","7","1","7","4","7","1") = "6"
    & skf21("4","1","7","1","7","5","1","1") = "6"
    & skf21("4","1","7","1","7","5","2","1") = "6"
    & skf21("4","1","7","1","7","5","3","1") = "6"
    & skf21("4","1","7","1","7","5","4","1") = "6"
    & skf21("4","1","7","1","7","5","5","1") = "6"
    & skf21("4","1","7","1","7","5","6","1") = "6"
    & skf21("4","1","7","1","7","5","7","1") = "6"
    & skf21("4","1","7","1","7","6","1","1") = "6"
    & skf21("4","1","7","1","7","6","2","1") = "6"
    & skf21("4","1","7","1","7","6","3","1") = "6"
    & skf21("4","1","7","1","7","6","4","1") = "6"
    & skf21("4","1","7","1","7","6","5","1") = "6"
    & skf21("4","1","7","1","7","6","6","1") = "6"
    & skf21("4","1","7","1","7","6","7","1") = "6"
    & skf21("4","1","7","1","7","7","1","1") = "6"
    & skf21("4","1","7","1","7","7","2","1") = "6"
    & skf21("4","1","7","1","7","7","3","1") = "6"
    & skf21("4","1","7","1","7","7","4","1") = "6"
    & skf21("4","1","7","1","7","7","5","1") = "6"
    & skf21("4","1","7","1","7","7","6","1") = "6"
    & skf21("4","1","7","1","7","7","7","1") = "6"
    & skf21("4","1","7","2","1","1","1","1") = "6"
    & skf21("4","1","7","2","1","1","2","1") = "6"
    & skf21("4","1","7","2","1","1","3","1") = "6"
    & skf21("4","1","7","2","1","1","4","1") = "6"
    & skf21("4","1","7","2","1","1","5","1") = "6"
    & skf21("4","1","7","2","1","1","6","1") = "6"
    & skf21("4","1","7","2","1","1","7","1") = "6"
    & skf21("4","1","7","2","1","2","1","1") = "6"
    & skf21("4","1","7","2","1","2","2","1") = "6"
    & skf21("4","1","7","2","1","2","3","1") = "6"
    & skf21("4","1","7","2","1","2","4","1") = "6"
    & skf21("4","1","7","2","1","2","5","1") = "6"
    & skf21("4","1","7","2","1","2","6","1") = "6"
    & skf21("4","1","7","2","1","2","7","1") = "6"
    & skf21("4","1","7","2","1","3","1","1") = "6"
    & skf21("4","1","7","2","1","3","2","1") = "6"
    & skf21("4","1","7","2","1","3","3","1") = "6"
    & skf21("4","1","7","2","1","3","4","1") = "6"
    & skf21("4","1","7","2","1","3","5","1") = "6"
    & skf21("4","1","7","2","1","3","6","1") = "6"
    & skf21("4","1","7","2","1","3","7","1") = "6"
    & skf21("4","1","7","2","1","4","1","1") = "6"
    & skf21("4","1","7","2","1","4","2","1") = "6"
    & skf21("4","1","7","2","1","4","3","1") = "6"
    & skf21("4","1","7","2","1","4","4","1") = "6"
    & skf21("4","1","7","2","1","4","5","1") = "6"
    & skf21("4","1","7","2","1","4","6","1") = "6"
    & skf21("4","1","7","2","1","4","7","1") = "6"
    & skf21("4","1","7","2","1","5","1","1") = "6"
    & skf21("4","1","7","2","1","5","2","1") = "6"
    & skf21("4","1","7","2","1","5","3","1") = "6"
    & skf21("4","1","7","2","1","5","4","1") = "6"
    & skf21("4","1","7","2","1","5","5","1") = "6"
    & skf21("4","1","7","2","1","5","6","1") = "6"
    & skf21("4","1","7","2","1","5","7","1") = "6"
    & skf21("4","1","7","2","1","6","1","1") = "6"
    & skf21("4","1","7","2","1","6","2","1") = "6"
    & skf21("4","1","7","2","1","6","3","1") = "6"
    & skf21("4","1","7","2","1","6","4","1") = "6"
    & skf21("4","1","7","2","1","6","5","1") = "6"
    & skf21("4","1","7","2","1","6","6","1") = "6"
    & skf21("4","1","7","2","1","6","7","1") = "6"
    & skf21("4","1","7","2","1","7","1","1") = "6"
    & skf21("4","1","7","2","1","7","2","1") = "6"
    & skf21("4","1","7","2","1","7","3","1") = "6"
    & skf21("4","1","7","2","1","7","4","1") = "6"
    & skf21("4","1","7","2","1","7","5","1") = "6"
    & skf21("4","1","7","2","1","7","6","1") = "6"
    & skf21("4","1","7","2","1","7","7","1") = "6"
    & skf21("4","1","7","2","2","1","1","1") = "6"
    & skf21("4","1","7","2","2","1","2","1") = "6"
    & skf21("4","1","7","2","2","1","3","1") = "6"
    & skf21("4","1","7","2","2","1","4","1") = "6"
    & skf21("4","1","7","2","2","1","5","1") = "6"
    & skf21("4","1","7","2","2","1","6","1") = "6"
    & skf21("4","1","7","2","2","1","7","1") = "6"
    & skf21("4","1","7","2","2","2","1","1") = "6"
    & skf21("4","1","7","2","2","2","2","1") = "6"
    & skf21("4","1","7","2","2","2","3","1") = "6"
    & skf21("4","1","7","2","2","2","4","1") = "6"
    & skf21("4","1","7","2","2","2","5","1") = "6"
    & skf21("4","1","7","2","2","2","6","1") = "6"
    & skf21("4","1","7","2","2","2","7","1") = "6"
    & skf21("4","1","7","2","2","3","1","1") = "6"
    & skf21("4","1","7","2","2","3","2","1") = "6"
    & skf21("4","1","7","2","2","3","3","1") = "6"
    & skf21("4","1","7","2","2","3","4","1") = "6"
    & skf21("4","1","7","2","2","3","5","1") = "6"
    & skf21("4","1","7","2","2","3","6","1") = "6"
    & skf21("4","1","7","2","2","3","7","1") = "6"
    & skf21("4","1","7","2","2","4","1","1") = "6"
    & skf21("4","1","7","2","2","4","2","1") = "6"
    & skf21("4","1","7","2","2","4","3","1") = "6"
    & skf21("4","1","7","2","2","4","4","1") = "6"
    & skf21("4","1","7","2","2","4","5","1") = "6"
    & skf21("4","1","7","2","2","4","6","1") = "6"
    & skf21("4","1","7","2","2","4","7","1") = "6"
    & skf21("4","1","7","2","2","5","1","1") = "6"
    & skf21("4","1","7","2","2","5","2","1") = "6"
    & skf21("4","1","7","2","2","5","3","1") = "6"
    & skf21("4","1","7","2","2","5","4","1") = "6"
    & skf21("4","1","7","2","2","5","5","1") = "6"
    & skf21("4","1","7","2","2","5","6","1") = "6"
    & skf21("4","1","7","2","2","5","7","1") = "6"
    & skf21("4","1","7","2","2","6","1","1") = "6"
    & skf21("4","1","7","2","2","6","2","1") = "6"
    & skf21("4","1","7","2","2","6","3","1") = "6"
    & skf21("4","1","7","2","2","6","4","1") = "6"
    & skf21("4","1","7","2","2","6","5","1") = "6"
    & skf21("4","1","7","2","2","6","6","1") = "6"
    & skf21("4","1","7","2","2","6","7","1") = "6"
    & skf21("4","1","7","2","2","7","1","1") = "6"
    & skf21("4","1","7","2","2","7","2","1") = "6"
    & skf21("4","1","7","2","2","7","3","1") = "6"
    & skf21("4","1","7","2","2","7","4","1") = "6"
    & skf21("4","1","7","2","2","7","5","1") = "6"
    & skf21("4","1","7","2","2","7","6","1") = "6"
    & skf21("4","1","7","2","2","7","7","1") = "6"
    & skf21("4","1","7","2","3","1","1","1") = "6"
    & skf21("4","1","7","2","3","1","2","1") = "6"
    & skf21("4","1","7","2","3","1","3","1") = "6"
    & skf21("4","1","7","2","3","1","4","1") = "6"
    & skf21("4","1","7","2","3","1","5","1") = "6"
    & skf21("4","1","7","2","3","1","6","1") = "6"
    & skf21("4","1","7","2","3","1","7","1") = "6"
    & skf21("4","1","7","2","3","2","1","1") = "6"
    & skf21("4","1","7","2","3","2","2","1") = "6"
    & skf21("4","1","7","2","3","2","3","1") = "6"
    & skf21("4","1","7","2","3","2","4","1") = "6"
    & skf21("4","1","7","2","3","2","5","1") = "6"
    & skf21("4","1","7","2","3","2","6","1") = "6"
    & skf21("4","1","7","2","3","2","7","1") = "6"
    & skf21("4","1","7","2","3","3","1","1") = "6"
    & skf21("4","1","7","2","3","3","2","1") = "6"
    & skf21("4","1","7","2","3","3","3","1") = "6"
    & skf21("4","1","7","2","3","3","4","1") = "6"
    & skf21("4","1","7","2","3","3","5","1") = "6"
    & skf21("4","1","7","2","3","3","6","1") = "6"
    & skf21("4","1","7","2","3","3","7","1") = "6"
    & skf21("4","1","7","2","3","4","1","1") = "6"
    & skf21("4","1","7","2","3","4","2","1") = "6"
    & skf21("4","1","7","2","3","4","3","1") = "6"
    & skf21("4","1","7","2","3","4","4","1") = "6"
    & skf21("4","1","7","2","3","4","5","1") = "6"
    & skf21("4","1","7","2","3","4","6","1") = "6"
    & skf21("4","1","7","2","3","4","7","1") = "6"
    & skf21("4","1","7","2","3","5","1","1") = "6"
    & skf21("4","1","7","2","3","5","2","1") = "6"
    & skf21("4","1","7","2","3","5","3","1") = "6"
    & skf21("4","1","7","2","3","5","4","1") = "6"
    & skf21("4","1","7","2","3","5","5","1") = "6"
    & skf21("4","1","7","2","3","5","6","1") = "6"
    & skf21("4","1","7","2","3","5","7","1") = "6"
    & skf21("4","1","7","2","3","6","1","1") = "6"
    & skf21("4","1","7","2","3","6","2","1") = "6"
    & skf21("4","1","7","2","3","6","3","1") = "6"
    & skf21("4","1","7","2","3","6","4","1") = "6"
    & skf21("4","1","7","2","3","6","5","1") = "6"
    & skf21("4","1","7","2","3","6","6","1") = "6"
    & skf21("4","1","7","2","3","6","7","1") = "6"
    & skf21("4","1","7","2","3","7","1","1") = "6"
    & skf21("4","1","7","2","3","7","2","1") = "6"
    & skf21("4","1","7","2","3","7","3","1") = "6"
    & skf21("4","1","7","2","3","7","4","1") = "6"
    & skf21("4","1","7","2","3","7","5","1") = "6"
    & skf21("4","1","7","2","3","7","6","1") = "6"
    & skf21("4","1","7","2","3","7","7","1") = "6"
    & skf21("4","1","7","2","4","1","1","1") = "6"
    & skf21("4","1","7","2","4","1","2","1") = "6"
    & skf21("4","1","7","2","4","1","3","1") = "6"
    & skf21("4","1","7","2","4","1","4","1") = "6"
    & skf21("4","1","7","2","4","1","5","1") = "6"
    & skf21("4","1","7","2","4","1","6","1") = "6"
    & skf21("4","1","7","2","4","1","7","1") = "6"
    & skf21("4","1","7","2","4","2","1","1") = "6"
    & skf21("4","1","7","2","4","2","2","1") = "6"
    & skf21("4","1","7","2","4","2","3","1") = "6"
    & skf21("4","1","7","2","4","2","4","1") = "6"
    & skf21("4","1","7","2","4","2","5","1") = "6"
    & skf21("4","1","7","2","4","2","6","1") = "6"
    & skf21("4","1","7","2","4","2","7","1") = "6"
    & skf21("4","1","7","2","4","3","1","1") = "6"
    & skf21("4","1","7","2","4","3","2","1") = "6"
    & skf21("4","1","7","2","4","3","3","1") = "6"
    & skf21("4","1","7","2","4","3","4","1") = "6"
    & skf21("4","1","7","2","4","3","5","1") = "6"
    & skf21("4","1","7","2","4","3","6","1") = "6"
    & skf21("4","1","7","2","4","3","7","1") = "6"
    & skf21("4","1","7","2","4","4","1","1") = "6"
    & skf21("4","1","7","2","4","4","2","1") = "6"
    & skf21("4","1","7","2","4","4","3","1") = "6"
    & skf21("4","1","7","2","4","4","4","1") = "6"
    & skf21("4","1","7","2","4","4","5","1") = "6"
    & skf21("4","1","7","2","4","4","6","1") = "6"
    & skf21("4","1","7","2","4","4","7","1") = "6"
    & skf21("4","1","7","2","4","5","1","1") = "6"
    & skf21("4","1","7","2","4","5","2","1") = "6"
    & skf21("4","1","7","2","4","5","3","1") = "6"
    & skf21("4","1","7","2","4","5","4","1") = "6"
    & skf21("4","1","7","2","4","5","5","1") = "6"
    & skf21("4","1","7","2","4","5","6","1") = "6"
    & skf21("4","1","7","2","4","5","7","1") = "6"
    & skf21("4","1","7","2","4","6","1","1") = "6"
    & skf21("4","1","7","2","4","6","2","1") = "6"
    & skf21("4","1","7","2","4","6","3","1") = "6"
    & skf21("4","1","7","2","4","6","4","1") = "6"
    & skf21("4","1","7","2","4","6","5","1") = "6"
    & skf21("4","1","7","2","4","6","6","1") = "6"
    & skf21("4","1","7","2","4","6","7","1") = "6"
    & skf21("4","1","7","2","4","7","1","1") = "6"
    & skf21("4","1","7","2","4","7","2","1") = "6"
    & skf21("4","1","7","2","4","7","3","1") = "6"
    & skf21("4","1","7","2","4","7","4","1") = "6"
    & skf21("4","1","7","2","4","7","5","1") = "6"
    & skf21("4","1","7","2","4","7","6","1") = "6"
    & skf21("4","1","7","2","4","7","7","1") = "6"
    & skf21("4","1","7","2","5","1","1","1") = "6"
    & skf21("4","1","7","2","5","1","2","1") = "6"
    & skf21("4","1","7","2","5","1","3","1") = "6"
    & skf21("4","1","7","2","5","1","4","1") = "6"
    & skf21("4","1","7","2","5","1","5","1") = "6"
    & skf21("4","1","7","2","5","1","6","1") = "6"
    & skf21("4","1","7","2","5","1","7","1") = "6"
    & skf21("4","1","7","2","5","2","1","1") = "6"
    & skf21("4","1","7","2","5","2","2","1") = "6"
    & skf21("4","1","7","2","5","2","3","1") = "6"
    & skf21("4","1","7","2","5","2","4","1") = "6"
    & skf21("4","1","7","2","5","2","5","1") = "6"
    & skf21("4","1","7","2","5","2","6","1") = "6"
    & skf21("4","1","7","2","5","2","7","1") = "6"
    & skf21("4","1","7","2","5","3","1","1") = "6"
    & skf21("4","1","7","2","5","3","2","1") = "6"
    & skf21("4","1","7","2","5","3","3","1") = "6"
    & skf21("4","1","7","2","5","3","4","1") = "6"
    & skf21("4","1","7","2","5","3","5","1") = "6"
    & skf21("4","1","7","2","5","3","6","1") = "6"
    & skf21("4","1","7","2","5","3","7","1") = "6"
    & skf21("4","1","7","2","5","4","1","1") = "6"
    & skf21("4","1","7","2","5","4","2","1") = "6"
    & skf21("4","1","7","2","5","4","3","1") = "6"
    & skf21("4","1","7","2","5","4","4","1") = "6"
    & skf21("4","1","7","2","5","4","5","1") = "6"
    & skf21("4","1","7","2","5","4","6","1") = "6"
    & skf21("4","1","7","2","5","4","7","1") = "6"
    & skf21("4","1","7","2","5","5","1","1") = "6"
    & skf21("4","1","7","2","5","5","2","1") = "6"
    & skf21("4","1","7","2","5","5","3","1") = "6"
    & skf21("4","1","7","2","5","5","4","1") = "6"
    & skf21("4","1","7","2","5","5","5","1") = "6"
    & skf21("4","1","7","2","5","5","6","1") = "6"
    & skf21("4","1","7","2","5","5","7","1") = "6"
    & skf21("4","1","7","2","5","6","1","1") = "6"
    & skf21("4","1","7","2","5","6","2","1") = "6"
    & skf21("4","1","7","2","5","6","3","1") = "6"
    & skf21("4","1","7","2","5","6","4","1") = "6"
    & skf21("4","1","7","2","5","6","5","1") = "6"
    & skf21("4","1","7","2","5","6","6","1") = "6"
    & skf21("4","1","7","2","5","6","7","1") = "6"
    & skf21("4","1","7","2","5","7","1","1") = "6"
    & skf21("4","1","7","2","5","7","2","1") = "6"
    & skf21("4","1","7","2","5","7","3","1") = "6"
    & skf21("4","1","7","2","5","7","4","1") = "6"
    & skf21("4","1","7","2","5","7","5","1") = "6"
    & skf21("4","1","7","2","5","7","6","1") = "6"
    & skf21("4","1","7","2","5","7","7","1") = "6"
    & skf21("4","1","7","2","6","1","1","1") = "6"
    & skf21("4","1","7","2","6","1","2","1") = "6"
    & skf21("4","1","7","2","6","1","3","1") = "6"
    & skf21("4","1","7","2","6","1","4","1") = "6"
    & skf21("4","1","7","2","6","1","5","1") = "6"
    & skf21("4","1","7","2","6","1","6","1") = "6"
    & skf21("4","1","7","2","6","1","7","1") = "6"
    & skf21("4","1","7","2","6","2","1","1") = "6"
    & skf21("4","1","7","2","6","2","2","1") = "6"
    & skf21("4","1","7","2","6","2","3","1") = "6"
    & skf21("4","1","7","2","6","2","4","1") = "6"
    & skf21("4","1","7","2","6","2","5","1") = "6"
    & skf21("4","1","7","2","6","2","6","1") = "6"
    & skf21("4","1","7","2","6","2","7","1") = "6"
    & skf21("4","1","7","2","6","3","1","1") = "6"
    & skf21("4","1","7","2","6","3","2","1") = "6"
    & skf21("4","1","7","2","6","3","3","1") = "6"
    & skf21("4","1","7","2","6","3","4","1") = "6"
    & skf21("4","1","7","2","6","3","5","1") = "6"
    & skf21("4","1","7","2","6","3","6","1") = "6"
    & skf21("4","1","7","2","6","3","7","1") = "6"
    & skf21("4","1","7","2","6","4","1","1") = "6"
    & skf21("4","1","7","2","6","4","2","1") = "6"
    & skf21("4","1","7","2","6","4","3","1") = "6"
    & skf21("4","1","7","2","6","4","4","1") = "6"
    & skf21("4","1","7","2","6","4","5","1") = "6"
    & skf21("4","1","7","2","6","4","6","1") = "6"
    & skf21("4","1","7","2","6","4","7","1") = "6"
    & skf21("4","1","7","2","6","5","1","1") = "6"
    & skf21("4","1","7","2","6","5","2","1") = "6"
    & skf21("4","1","7","2","6","5","3","1") = "6"
    & skf21("4","1","7","2","6","5","4","1") = "6"
    & skf21("4","1","7","2","6","5","5","1") = "6"
    & skf21("4","1","7","2","6","5","6","1") = "6"
    & skf21("4","1","7","2","6","5","7","1") = "6"
    & skf21("4","1","7","2","6","6","1","1") = "6"
    & skf21("4","1","7","2","6","6","2","1") = "6"
    & skf21("4","1","7","2","6","6","3","1") = "6"
    & skf21("4","1","7","2","6","6","4","1") = "6"
    & skf21("4","1","7","2","6","6","5","1") = "6"
    & skf21("4","1","7","2","6","6","6","1") = "6"
    & skf21("4","1","7","2","6","6","7","1") = "6"
    & skf21("4","1","7","2","6","7","1","1") = "6"
    & skf21("4","1","7","2","6","7","2","1") = "6"
    & skf21("4","1","7","2","6","7","3","1") = "6"
    & skf21("4","1","7","2","6","7","4","1") = "6"
    & skf21("4","1","7","2","6","7","5","1") = "6"
    & skf21("4","1","7","2","6","7","6","1") = "6"
    & skf21("4","1","7","2","6","7","7","1") = "6"
    & skf21("4","1","7","2","7","1","1","1") = "6"
    & skf21("4","1","7","2","7","1","2","1") = "6"
    & skf21("4","1","7","2","7","1","3","1") = "6"
    & skf21("4","1","7","2","7","1","4","1") = "6"
    & skf21("4","1","7","2","7","1","5","1") = "6"
    & skf21("4","1","7","2","7","1","6","1") = "6"
    & skf21("4","1","7","2","7","1","7","1") = "6"
    & skf21("4","1","7","2","7","2","1","1") = "6"
    & skf21("4","1","7","2","7","2","2","1") = "6"
    & skf21("4","1","7","2","7","2","3","1") = "6"
    & skf21("4","1","7","2","7","2","4","1") = "6"
    & skf21("4","1","7","2","7","2","5","1") = "6"
    & skf21("4","1","7","2","7","2","6","1") = "6"
    & skf21("4","1","7","2","7","2","7","1") = "6"
    & skf21("4","1","7","2","7","3","1","1") = "6"
    & skf21("4","1","7","2","7","3","2","1") = "6"
    & skf21("4","1","7","2","7","3","3","1") = "6"
    & skf21("4","1","7","2","7","3","4","1") = "6"
    & skf21("4","1","7","2","7","3","5","1") = "6"
    & skf21("4","1","7","2","7","3","6","1") = "6"
    & skf21("4","1","7","2","7","3","7","1") = "6"
    & skf21("4","1","7","2","7","4","1","1") = "6"
    & skf21("4","1","7","2","7","4","2","1") = "6"
    & skf21("4","1","7","2","7","4","3","1") = "6"
    & skf21("4","1","7","2","7","4","4","1") = "6"
    & skf21("4","1","7","2","7","4","5","1") = "6"
    & skf21("4","1","7","2","7","4","6","1") = "6"
    & skf21("4","1","7","2","7","4","7","1") = "6"
    & skf21("4","1","7","2","7","5","1","1") = "6"
    & skf21("4","1","7","2","7","5","2","1") = "6"
    & skf21("4","1","7","2","7","5","3","1") = "6"
    & skf21("4","1","7","2","7","5","4","1") = "6"
    & skf21("4","1","7","2","7","5","5","1") = "6"
    & skf21("4","1","7","2","7","5","6","1") = "6"
    & skf21("4","1","7","2","7","5","7","1") = "6"
    & skf21("4","1","7","2","7","6","1","1") = "6"
    & skf21("4","1","7","2","7","6","2","1") = "6"
    & skf21("4","1","7","2","7","6","3","1") = "6"
    & skf21("4","1","7","2","7","6","4","1") = "6"
    & skf21("4","1","7","2","7","6","5","1") = "6"
    & skf21("4","1","7","2","7","6","6","1") = "6"
    & skf21("4","1","7","2","7","6","7","1") = "6"
    & skf21("4","1","7","2","7","7","1","1") = "6"
    & skf21("4","1","7","2","7","7","2","1") = "6"
    & skf21("4","1","7","2","7","7","3","1") = "6"
    & skf21("4","1","7","2","7","7","4","1") = "6"
    & skf21("4","1","7","2","7","7","5","1") = "6"
    & skf21("4","1","7","2","7","7","6","1") = "6"
    & skf21("4","1","7","2","7","7","7","1") = "6"
    & skf21("4","1","7","3","1","1","1","1") = "6"
    & skf21("4","1","7","3","1","1","2","1") = "6"
    & skf21("4","1","7","3","1","1","3","1") = "6"
    & skf21("4","1","7","3","1","1","4","1") = "6"
    & skf21("4","1","7","3","1","1","5","1") = "6"
    & skf21("4","1","7","3","1","1","6","1") = "6"
    & skf21("4","1","7","3","1","1","7","1") = "6"
    & skf21("4","1","7","3","1","2","1","1") = "6"
    & skf21("4","1","7","3","1","2","2","1") = "6"
    & skf21("4","1","7","3","1","2","3","1") = "6"
    & skf21("4","1","7","3","1","2","4","1") = "6"
    & skf21("4","1","7","3","1","2","5","1") = "6"
    & skf21("4","1","7","3","1","2","6","1") = "6"
    & skf21("4","1","7","3","1","2","7","1") = "6"
    & skf21("4","1","7","3","1","3","1","1") = "6"
    & skf21("4","1","7","3","1","3","2","1") = "6"
    & skf21("4","1","7","3","1","3","3","1") = "6"
    & skf21("4","1","7","3","1","3","4","1") = "6"
    & skf21("4","1","7","3","1","3","5","1") = "6"
    & skf21("4","1","7","3","1","3","6","1") = "6"
    & skf21("4","1","7","3","1","3","7","1") = "6"
    & skf21("4","1","7","3","1","4","1","1") = "6"
    & skf21("4","1","7","3","1","4","2","1") = "6"
    & skf21("4","1","7","3","1","4","3","1") = "6"
    & skf21("4","1","7","3","1","4","4","1") = "6"
    & skf21("4","1","7","3","1","4","5","1") = "6"
    & skf21("4","1","7","3","1","4","6","1") = "6"
    & skf21("4","1","7","3","1","4","7","1") = "6"
    & skf21("4","1","7","3","1","5","1","1") = "6"
    & skf21("4","1","7","3","1","5","2","1") = "6"
    & skf21("4","1","7","3","1","5","3","1") = "6"
    & skf21("4","1","7","3","1","5","4","1") = "6"
    & skf21("4","1","7","3","1","5","5","1") = "6"
    & skf21("4","1","7","3","1","5","6","1") = "6"
    & skf21("4","1","7","3","1","5","7","1") = "6"
    & skf21("4","1","7","3","1","6","1","1") = "6"
    & skf21("4","1","7","3","1","6","2","1") = "6"
    & skf21("4","1","7","3","1","6","3","1") = "6"
    & skf21("4","1","7","3","1","6","4","1") = "6"
    & skf21("4","1","7","3","1","6","5","1") = "6"
    & skf21("4","1","7","3","1","6","6","1") = "6"
    & skf21("4","1","7","3","1","6","7","1") = "6"
    & skf21("4","1","7","3","1","7","1","1") = "6"
    & skf21("4","1","7","3","1","7","2","1") = "6"
    & skf21("4","1","7","3","1","7","3","1") = "6"
    & skf21("4","1","7","3","1","7","4","1") = "6"
    & skf21("4","1","7","3","1","7","5","1") = "6"
    & skf21("4","1","7","3","1","7","6","1") = "6"
    & skf21("4","1","7","3","1","7","7","1") = "6"
    & skf21("4","1","7","3","2","1","1","1") = "6"
    & skf21("4","1","7","3","2","1","2","1") = "6"
    & skf21("4","1","7","3","2","1","3","1") = "6"
    & skf21("4","1","7","3","2","1","4","1") = "6"
    & skf21("4","1","7","3","2","1","5","1") = "6"
    & skf21("4","1","7","3","2","1","6","1") = "6"
    & skf21("4","1","7","3","2","1","7","1") = "6"
    & skf21("4","1","7","3","2","2","1","1") = "6"
    & skf21("4","1","7","3","2","2","2","1") = "6"
    & skf21("4","1","7","3","2","2","3","1") = "6"
    & skf21("4","1","7","3","2","2","4","1") = "6"
    & skf21("4","1","7","3","2","2","5","1") = "6"
    & skf21("4","1","7","3","2","2","6","1") = "6"
    & skf21("4","1","7","3","2","2","7","1") = "6"
    & skf21("4","1","7","3","2","3","1","1") = "6"
    & skf21("4","1","7","3","2","3","2","1") = "6"
    & skf21("4","1","7","3","2","3","3","1") = "6"
    & skf21("4","1","7","3","2","3","4","1") = "6"
    & skf21("4","1","7","3","2","3","5","1") = "6"
    & skf21("4","1","7","3","2","3","6","1") = "6"
    & skf21("4","1","7","3","2","3","7","1") = "6"
    & skf21("4","1","7","3","2","4","1","1") = "6"
    & skf21("4","1","7","3","2","4","2","1") = "6"
    & skf21("4","1","7","3","2","4","3","1") = "6"
    & skf21("4","1","7","3","2","4","4","1") = "6"
    & skf21("4","1","7","3","2","4","5","1") = "6"
    & skf21("4","1","7","3","2","4","6","1") = "6"
    & skf21("4","1","7","3","2","4","7","1") = "6"
    & skf21("4","1","7","3","2","5","1","1") = "6"
    & skf21("4","1","7","3","2","5","2","1") = "6"
    & skf21("4","1","7","3","2","5","3","1") = "6"
    & skf21("4","1","7","3","2","5","4","1") = "6"
    & skf21("4","1","7","3","2","5","5","1") = "6"
    & skf21("4","1","7","3","2","5","6","1") = "6"
    & skf21("4","1","7","3","2","5","7","1") = "6"
    & skf21("4","1","7","3","2","6","1","1") = "6"
    & skf21("4","1","7","3","2","6","2","1") = "6"
    & skf21("4","1","7","3","2","6","3","1") = "6"
    & skf21("4","1","7","3","2","6","4","1") = "6"
    & skf21("4","1","7","3","2","6","5","1") = "6"
    & skf21("4","1","7","3","2","6","6","1") = "6"
    & skf21("4","1","7","3","2","6","7","1") = "6"
    & skf21("4","1","7","3","2","7","1","1") = "6"
    & skf21("4","1","7","3","2","7","2","1") = "6"
    & skf21("4","1","7","3","2","7","3","1") = "6"
    & skf21("4","1","7","3","2","7","4","1") = "6"
    & skf21("4","1","7","3","2","7","5","1") = "6"
    & skf21("4","1","7","3","2","7","6","1") = "6"
    & skf21("4","1","7","3","2","7","7","1") = "6"
    & skf21("4","1","7","3","3","1","1","1") = "6"
    & skf21("4","1","7","3","3","1","2","1") = "6"
    & skf21("4","1","7","3","3","1","3","1") = "6"
    & skf21("4","1","7","3","3","1","4","1") = "6"
    & skf21("4","1","7","3","3","1","5","1") = "6"
    & skf21("4","1","7","3","3","1","6","1") = "6"
    & skf21("4","1","7","3","3","1","7","1") = "6"
    & skf21("4","1","7","3","3","2","1","1") = "6"
    & skf21("4","1","7","3","3","2","2","1") = "6"
    & skf21("4","1","7","3","3","2","3","1") = "6"
    & skf21("4","1","7","3","3","2","4","1") = "6"
    & skf21("4","1","7","3","3","2","5","1") = "6"
    & skf21("4","1","7","3","3","2","6","1") = "6"
    & skf21("4","1","7","3","3","2","7","1") = "6"
    & skf21("4","1","7","3","3","3","1","1") = "6"
    & skf21("4","1","7","3","3","3","2","1") = "6"
    & skf21("4","1","7","3","3","3","3","1") = "6"
    & skf21("4","1","7","3","3","3","4","1") = "6"
    & skf21("4","1","7","3","3","3","5","1") = "6"
    & skf21("4","1","7","3","3","3","6","1") = "6"
    & skf21("4","1","7","3","3","3","7","1") = "6"
    & skf21("4","1","7","3","3","4","1","1") = "6"
    & skf21("4","1","7","3","3","4","2","1") = "6"
    & skf21("4","1","7","3","3","4","3","1") = "6"
    & skf21("4","1","7","3","3","4","4","1") = "6"
    & skf21("4","1","7","3","3","4","5","1") = "6"
    & skf21("4","1","7","3","3","4","6","1") = "6"
    & skf21("4","1","7","3","3","4","7","1") = "6"
    & skf21("4","1","7","3","3","5","1","1") = "6"
    & skf21("4","1","7","3","3","5","2","1") = "6"
    & skf21("4","1","7","3","3","5","3","1") = "6"
    & skf21("4","1","7","3","3","5","4","1") = "6"
    & skf21("4","1","7","3","3","5","5","1") = "6"
    & skf21("4","1","7","3","3","5","6","1") = "6"
    & skf21("4","1","7","3","3","5","7","1") = "6"
    & skf21("4","1","7","3","3","6","1","1") = "6"
    & skf21("4","1","7","3","3","6","2","1") = "6"
    & skf21("4","1","7","3","3","6","3","1") = "6"
    & skf21("4","1","7","3","3","6","4","1") = "6"
    & skf21("4","1","7","3","3","6","5","1") = "6"
    & skf21("4","1","7","3","3","6","6","1") = "6"
    & skf21("4","1","7","3","3","6","7","1") = "6"
    & skf21("4","1","7","3","3","7","1","1") = "6"
    & skf21("4","1","7","3","3","7","2","1") = "6"
    & skf21("4","1","7","3","3","7","3","1") = "6"
    & skf21("4","1","7","3","3","7","4","1") = "6"
    & skf21("4","1","7","3","3","7","5","1") = "6"
    & skf21("4","1","7","3","3","7","6","1") = "6"
    & skf21("4","1","7","3","3","7","7","1") = "6"
    & skf21("4","1","7","3","4","1","1","1") = "6"
    & skf21("4","1","7","3","4","1","2","1") = "6"
    & skf21("4","1","7","3","4","1","3","1") = "6"
    & skf21("4","1","7","3","4","1","4","1") = "6"
    & skf21("4","1","7","3","4","1","5","1") = "6"
    & skf21("4","1","7","3","4","1","6","1") = "6"
    & skf21("4","1","7","3","4","1","7","1") = "6"
    & skf21("4","1","7","3","4","2","1","1") = "6"
    & skf21("4","1","7","3","4","2","2","1") = "6"
    & skf21("4","1","7","3","4","2","3","1") = "6"
    & skf21("4","1","7","3","4","2","4","1") = "6"
    & skf21("4","1","7","3","4","2","5","1") = "6"
    & skf21("4","1","7","3","4","2","6","1") = "6"
    & skf21("4","1","7","3","4","2","7","1") = "6"
    & skf21("4","1","7","3","4","3","1","1") = "6"
    & skf21("4","1","7","3","4","3","2","1") = "6"
    & skf21("4","1","7","3","4","3","3","1") = "6"
    & skf21("4","1","7","3","4","3","4","1") = "6"
    & skf21("4","1","7","3","4","3","5","1") = "6"
    & skf21("4","1","7","3","4","3","6","1") = "6"
    & skf21("4","1","7","3","4","3","7","1") = "6"
    & skf21("4","1","7","3","4","4","1","1") = "6"
    & skf21("4","1","7","3","4","4","2","1") = "6"
    & skf21("4","1","7","3","4","4","3","1") = "6"
    & skf21("4","1","7","3","4","4","4","1") = "6"
    & skf21("4","1","7","3","4","4","5","1") = "6"
    & skf21("4","1","7","3","4","4","6","1") = "6"
    & skf21("4","1","7","3","4","4","7","1") = "6"
    & skf21("4","1","7","3","4","5","1","1") = "6"
    & skf21("4","1","7","3","4","5","2","1") = "6"
    & skf21("4","1","7","3","4","5","3","1") = "6"
    & skf21("4","1","7","3","4","5","4","1") = "6"
    & skf21("4","1","7","3","4","5","5","1") = "6"
    & skf21("4","1","7","3","4","5","6","1") = "6"
    & skf21("4","1","7","3","4","5","7","1") = "6"
    & skf21("4","1","7","3","4","6","1","1") = "6"
    & skf21("4","1","7","3","4","6","2","1") = "6"
    & skf21("4","1","7","3","4","6","3","1") = "6"
    & skf21("4","1","7","3","4","6","4","1") = "6"
    & skf21("4","1","7","3","4","6","5","1") = "6"
    & skf21("4","1","7","3","4","6","6","1") = "6"
    & skf21("4","1","7","3","4","6","7","1") = "6"
    & skf21("4","1","7","3","4","7","1","1") = "6"
    & skf21("4","1","7","3","4","7","2","1") = "6"
    & skf21("4","1","7","3","4","7","3","1") = "6"
    & skf21("4","1","7","3","4","7","4","1") = "6"
    & skf21("4","1","7","3","4","7","5","1") = "6"
    & skf21("4","1","7","3","4","7","6","1") = "6"
    & skf21("4","1","7","3","4","7","7","1") = "6"
    & skf21("4","1","7","3","5","1","1","1") = "6"
    & skf21("4","1","7","3","5","1","2","1") = "6"
    & skf21("4","1","7","3","5","1","3","1") = "6"
    & skf21("4","1","7","3","5","1","4","1") = "6"
    & skf21("4","1","7","3","5","1","5","1") = "6"
    & skf21("4","1","7","3","5","1","6","1") = "6"
    & skf21("4","1","7","3","5","1","7","1") = "6"
    & skf21("4","1","7","3","5","2","1","1") = "6"
    & skf21("4","1","7","3","5","2","2","1") = "6"
    & skf21("4","1","7","3","5","2","3","1") = "6"
    & skf21("4","1","7","3","5","2","4","1") = "6"
    & skf21("4","1","7","3","5","2","5","1") = "6"
    & skf21("4","1","7","3","5","2","6","1") = "6"
    & skf21("4","1","7","3","5","2","7","1") = "6"
    & skf21("4","1","7","3","5","3","1","1") = "6"
    & skf21("4","1","7","3","5","3","2","1") = "6"
    & skf21("4","1","7","3","5","3","3","1") = "6"
    & skf21("4","1","7","3","5","3","4","1") = "6"
    & skf21("4","1","7","3","5","3","5","1") = "6"
    & skf21("4","1","7","3","5","3","6","1") = "6"
    & skf21("4","1","7","3","5","3","7","1") = "6"
    & skf21("4","1","7","3","5","4","1","1") = "6"
    & skf21("4","1","7","3","5","4","2","1") = "6"
    & skf21("4","1","7","3","5","4","3","1") = "6"
    & skf21("4","1","7","3","5","4","4","1") = "6"
    & skf21("4","1","7","3","5","4","5","1") = "6"
    & skf21("4","1","7","3","5","4","6","1") = "6"
    & skf21("4","1","7","3","5","4","7","1") = "6"
    & skf21("4","1","7","3","5","5","1","1") = "6"
    & skf21("4","1","7","3","5","5","2","1") = "6"
    & skf21("4","1","7","3","5","5","3","1") = "6"
    & skf21("4","1","7","3","5","5","4","1") = "6"
    & skf21("4","1","7","3","5","5","5","1") = "6"
    & skf21("4","1","7","3","5","5","6","1") = "6"
    & skf21("4","1","7","3","5","5","7","1") = "6"
    & skf21("4","1","7","3","5","6","1","1") = "6"
    & skf21("4","1","7","3","5","6","2","1") = "6"
    & skf21("4","1","7","3","5","6","3","1") = "6"
    & skf21("4","1","7","3","5","6","4","1") = "6"
    & skf21("4","1","7","3","5","6","5","1") = "6"
    & skf21("4","1","7","3","5","6","6","1") = "6"
    & skf21("4","1","7","3","5","6","7","1") = "6"
    & skf21("4","1","7","3","5","7","1","1") = "6"
    & skf21("4","1","7","3","5","7","2","1") = "6"
    & skf21("4","1","7","3","5","7","3","1") = "6"
    & skf21("4","1","7","3","5","7","4","1") = "6"
    & skf21("4","1","7","3","5","7","5","1") = "6"
    & skf21("4","1","7","3","5","7","6","1") = "6"
    & skf21("4","1","7","3","5","7","7","1") = "6"
    & skf21("4","1","7","3","6","1","1","1") = "6"
    & skf21("4","1","7","3","6","1","2","1") = "6"
    & skf21("4","1","7","3","6","1","3","1") = "6"
    & skf21("4","1","7","3","6","1","4","1") = "6"
    & skf21("4","1","7","3","6","1","5","1") = "6"
    & skf21("4","1","7","3","6","1","6","1") = "6"
    & skf21("4","1","7","3","6","1","7","1") = "6"
    & skf21("4","1","7","3","6","2","1","1") = "6"
    & skf21("4","1","7","3","6","2","2","1") = "6"
    & skf21("4","1","7","3","6","2","3","1") = "6"
    & skf21("4","1","7","3","6","2","4","1") = "6"
    & skf21("4","1","7","3","6","2","5","1") = "6"
    & skf21("4","1","7","3","6","2","6","1") = "6"
    & skf21("4","1","7","3","6","2","7","1") = "6"
    & skf21("4","1","7","3","6","3","1","1") = "6"
    & skf21("4","1","7","3","6","3","2","1") = "6"
    & skf21("4","1","7","3","6","3","3","1") = "6"
    & skf21("4","1","7","3","6","3","4","1") = "6"
    & skf21("4","1","7","3","6","3","5","1") = "6"
    & skf21("4","1","7","3","6","3","6","1") = "6"
    & skf21("4","1","7","3","6","3","7","1") = "6"
    & skf21("4","1","7","3","6","4","1","1") = "6"
    & skf21("4","1","7","3","6","4","2","1") = "6"
    & skf21("4","1","7","3","6","4","3","1") = "6"
    & skf21("4","1","7","3","6","4","4","1") = "6"
    & skf21("4","1","7","3","6","4","5","1") = "6"
    & skf21("4","1","7","3","6","4","6","1") = "6"
    & skf21("4","1","7","3","6","4","7","1") = "6"
    & skf21("4","1","7","3","6","5","1","1") = "6"
    & skf21("4","1","7","3","6","5","2","1") = "6"
    & skf21("4","1","7","3","6","5","3","1") = "6"
    & skf21("4","1","7","3","6","5","4","1") = "6"
    & skf21("4","1","7","3","6","5","5","1") = "6"
    & skf21("4","1","7","3","6","5","6","1") = "6"
    & skf21("4","1","7","3","6","5","7","1") = "6"
    & skf21("4","1","7","3","6","6","1","1") = "6"
    & skf21("4","1","7","3","6","6","2","1") = "6"
    & skf21("4","1","7","3","6","6","3","1") = "6"
    & skf21("4","1","7","3","6","6","4","1") = "6"
    & skf21("4","1","7","3","6","6","5","1") = "6"
    & skf21("4","1","7","3","6","6","6","1") = "6"
    & skf21("4","1","7","3","6","6","7","1") = "6"
    & skf21("4","1","7","3","6","7","1","1") = "6"
    & skf21("4","1","7","3","6","7","2","1") = "6"
    & skf21("4","1","7","3","6","7","3","1") = "6"
    & skf21("4","1","7","3","6","7","4","1") = "6"
    & skf21("4","1","7","3","6","7","5","1") = "6"
    & skf21("4","1","7","3","6","7","6","1") = "6"
    & skf21("4","1","7","3","6","7","7","1") = "6"
    & skf21("4","1","7","3","7","1","1","1") = "6"
    & skf21("4","1","7","3","7","1","2","1") = "6"
    & skf21("4","1","7","3","7","1","3","1") = "6"
    & skf21("4","1","7","3","7","1","4","1") = "6"
    & skf21("4","1","7","3","7","1","5","1") = "6"
    & skf21("4","1","7","3","7","1","6","1") = "6"
    & skf21("4","1","7","3","7","1","7","1") = "6"
    & skf21("4","1","7","3","7","2","1","1") = "6"
    & skf21("4","1","7","3","7","2","2","1") = "6"
    & skf21("4","1","7","3","7","2","3","1") = "6"
    & skf21("4","1","7","3","7","2","4","1") = "6"
    & skf21("4","1","7","3","7","2","5","1") = "6"
    & skf21("4","1","7","3","7","2","6","1") = "6"
    & skf21("4","1","7","3","7","2","7","1") = "6"
    & skf21("4","1","7","3","7","3","1","1") = "6"
    & skf21("4","1","7","3","7","3","2","1") = "6"
    & skf21("4","1","7","3","7","3","3","1") = "6"
    & skf21("4","1","7","3","7","3","4","1") = "6"
    & skf21("4","1","7","3","7","3","5","1") = "6"
    & skf21("4","1","7","3","7","3","6","1") = "6"
    & skf21("4","1","7","3","7","3","7","1") = "6"
    & skf21("4","1","7","3","7","4","1","1") = "6"
    & skf21("4","1","7","3","7","4","2","1") = "6"
    & skf21("4","1","7","3","7","4","3","1") = "6"
    & skf21("4","1","7","3","7","4","4","1") = "6"
    & skf21("4","1","7","3","7","4","5","1") = "6"
    & skf21("4","1","7","3","7","4","6","1") = "6"
    & skf21("4","1","7","3","7","4","7","1") = "6"
    & skf21("4","1","7","3","7","5","1","1") = "6"
    & skf21("4","1","7","3","7","5","2","1") = "6"
    & skf21("4","1","7","3","7","5","3","1") = "6"
    & skf21("4","1","7","3","7","5","4","1") = "6"
    & skf21("4","1","7","3","7","5","5","1") = "6"
    & skf21("4","1","7","3","7","5","6","1") = "6"
    & skf21("4","1","7","3","7","5","7","1") = "6"
    & skf21("4","1","7","3","7","6","1","1") = "6"
    & skf21("4","1","7","3","7","6","2","1") = "6"
    & skf21("4","1","7","3","7","6","3","1") = "6"
    & skf21("4","1","7","3","7","6","4","1") = "6"
    & skf21("4","1","7","3","7","6","5","1") = "6"
    & skf21("4","1","7","3","7","6","6","1") = "6"
    & skf21("4","1","7","3","7","6","7","1") = "6"
    & skf21("4","1","7","3","7","7","1","1") = "6"
    & skf21("4","1","7","3","7","7","2","1") = "6"
    & skf21("4","1","7","3","7","7","3","1") = "6"
    & skf21("4","1","7","3","7","7","4","1") = "6"
    & skf21("4","1","7","3","7","7","5","1") = "6"
    & skf21("4","1","7","3","7","7","6","1") = "6"
    & skf21("4","1","7","3","7","7","7","1") = "6"
    & skf21("4","1","7","4","1","1","1","1") = "6"
    & skf21("4","1","7","4","1","1","2","1") = "6"
    & skf21("4","1","7","4","1","1","3","1") = "6"
    & skf21("4","1","7","4","1","1","4","1") = "6"
    & skf21("4","1","7","4","1","1","5","1") = "6"
    & skf21("4","1","7","4","1","1","6","1") = "6"
    & skf21("4","1","7","4","1","1","7","1") = "6"
    & skf21("4","1","7","4","1","2","1","1") = "6"
    & skf21("4","1","7","4","1","2","2","1") = "6"
    & skf21("4","1","7","4","1","2","3","1") = "6"
    & skf21("4","1","7","4","1","2","4","1") = "6"
    & skf21("4","1","7","4","1","2","5","1") = "6"
    & skf21("4","1","7","4","1","2","6","1") = "6"
    & skf21("4","1","7","4","1","2","7","1") = "6"
    & skf21("4","1","7","4","1","3","1","1") = "6"
    & skf21("4","1","7","4","1","3","2","1") = "6"
    & skf21("4","1","7","4","1","3","3","1") = "6"
    & skf21("4","1","7","4","1","3","4","1") = "6"
    & skf21("4","1","7","4","1","3","5","1") = "6"
    & skf21("4","1","7","4","1","3","6","1") = "6"
    & skf21("4","1","7","4","1","3","7","1") = "6"
    & skf21("4","1","7","4","1","4","1","1") = "6"
    & skf21("4","1","7","4","1","4","2","1") = "6"
    & skf21("4","1","7","4","1","4","3","1") = "6"
    & skf21("4","1","7","4","1","4","4","1") = "6"
    & skf21("4","1","7","4","1","4","5","1") = "6"
    & skf21("4","1","7","4","1","4","6","1") = "6"
    & skf21("4","1","7","4","1","4","7","1") = "6"
    & skf21("4","1","7","4","1","5","1","1") = "6"
    & skf21("4","1","7","4","1","5","2","1") = "6"
    & skf21("4","1","7","4","1","5","3","1") = "6"
    & skf21("4","1","7","4","1","5","4","1") = "6"
    & skf21("4","1","7","4","1","5","5","1") = "6"
    & skf21("4","1","7","4","1","5","6","1") = "6"
    & skf21("4","1","7","4","1","5","7","1") = "6"
    & skf21("4","1","7","4","1","6","1","1") = "6"
    & skf21("4","1","7","4","1","6","2","1") = "6"
    & skf21("4","1","7","4","1","6","3","1") = "6"
    & skf21("4","1","7","4","1","6","4","1") = "6"
    & skf21("4","1","7","4","1","6","5","1") = "6"
    & skf21("4","1","7","4","1","6","6","1") = "6"
    & skf21("4","1","7","4","1","6","7","1") = "6"
    & skf21("4","1","7","4","1","7","1","1") = "6"
    & skf21("4","1","7","4","1","7","2","1") = "6"
    & skf21("4","1","7","4","1","7","3","1") = "6"
    & skf21("4","1","7","4","1","7","4","1") = "6"
    & skf21("4","1","7","4","1","7","5","1") = "6"
    & skf21("4","1","7","4","1","7","6","1") = "6"
    & skf21("4","1","7","4","1","7","7","1") = "6"
    & skf21("4","1","7","4","2","1","1","1") = "6"
    & skf21("4","1","7","4","2","1","2","1") = "6"
    & skf21("4","1","7","4","2","1","3","1") = "6"
    & skf21("4","1","7","4","2","1","4","1") = "6"
    & skf21("4","1","7","4","2","1","5","1") = "6"
    & skf21("4","1","7","4","2","1","6","1") = "6"
    & skf21("4","1","7","4","2","1","7","1") = "6"
    & skf21("4","1","7","4","2","2","1","1") = "6"
    & skf21("4","1","7","4","2","2","2","1") = "6"
    & skf21("4","1","7","4","2","2","3","1") = "6"
    & skf21("4","1","7","4","2","2","4","1") = "6"
    & skf21("4","1","7","4","2","2","5","1") = "6"
    & skf21("4","1","7","4","2","2","6","1") = "6"
    & skf21("4","1","7","4","2","2","7","1") = "6"
    & skf21("4","1","7","4","2","3","1","1") = "6"
    & skf21("4","1","7","4","2","3","2","1") = "6"
    & skf21("4","1","7","4","2","3","3","1") = "6"
    & skf21("4","1","7","4","2","3","4","1") = "6"
    & skf21("4","1","7","4","2","3","5","1") = "6"
    & skf21("4","1","7","4","2","3","6","1") = "6"
    & skf21("4","1","7","4","2","3","7","1") = "6"
    & skf21("4","1","7","4","2","4","1","1") = "6"
    & skf21("4","1","7","4","2","4","2","1") = "6"
    & skf21("4","1","7","4","2","4","3","1") = "6"
    & skf21("4","1","7","4","2","4","4","1") = "6"
    & skf21("4","1","7","4","2","4","5","1") = "6"
    & skf21("4","1","7","4","2","4","6","1") = "6"
    & skf21("4","1","7","4","2","4","7","1") = "6"
    & skf21("4","1","7","4","2","5","1","1") = "6"
    & skf21("4","1","7","4","2","5","2","1") = "6"
    & skf21("4","1","7","4","2","5","3","1") = "6"
    & skf21("4","1","7","4","2","5","4","1") = "6"
    & skf21("4","1","7","4","2","5","5","1") = "6"
    & skf21("4","1","7","4","2","5","6","1") = "6"
    & skf21("4","1","7","4","2","5","7","1") = "6"
    & skf21("4","1","7","4","2","6","1","1") = "6"
    & skf21("4","1","7","4","2","6","2","1") = "6"
    & skf21("4","1","7","4","2","6","3","1") = "6"
    & skf21("4","1","7","4","2","6","4","1") = "6"
    & skf21("4","1","7","4","2","6","5","1") = "6"
    & skf21("4","1","7","4","2","6","6","1") = "6"
    & skf21("4","1","7","4","2","6","7","1") = "6"
    & skf21("4","1","7","4","2","7","1","1") = "6"
    & skf21("4","1","7","4","2","7","2","1") = "6"
    & skf21("4","1","7","4","2","7","3","1") = "6"
    & skf21("4","1","7","4","2","7","4","1") = "6"
    & skf21("4","1","7","4","2","7","5","1") = "6"
    & skf21("4","1","7","4","2","7","6","1") = "6"
    & skf21("4","1","7","4","2","7","7","1") = "6"
    & skf21("4","1","7","4","3","1","1","1") = "6"
    & skf21("4","1","7","4","3","1","2","1") = "6"
    & skf21("4","1","7","4","3","1","3","1") = "6"
    & skf21("4","1","7","4","3","1","4","1") = "6"
    & skf21("4","1","7","4","3","1","5","1") = "6"
    & skf21("4","1","7","4","3","1","6","1") = "6"
    & skf21("4","1","7","4","3","1","7","1") = "6"
    & skf21("4","1","7","4","3","2","1","1") = "6"
    & skf21("4","1","7","4","3","2","2","1") = "6"
    & skf21("4","1","7","4","3","2","3","1") = "6"
    & skf21("4","1","7","4","3","2","4","1") = "6"
    & skf21("4","1","7","4","3","2","5","1") = "6"
    & skf21("4","1","7","4","3","2","6","1") = "6"
    & skf21("4","1","7","4","3","2","7","1") = "6"
    & skf21("4","1","7","4","3","3","1","1") = "6"
    & skf21("4","1","7","4","3","3","2","1") = "6"
    & skf21("4","1","7","4","3","3","3","1") = "6"
    & skf21("4","1","7","4","3","3","4","1") = "6"
    & skf21("4","1","7","4","3","3","5","1") = "6"
    & skf21("4","1","7","4","3","3","6","1") = "6"
    & skf21("4","1","7","4","3","3","7","1") = "6"
    & skf21("4","1","7","4","3","4","1","1") = "6"
    & skf21("4","1","7","4","3","4","2","1") = "6"
    & skf21("4","1","7","4","3","4","3","1") = "6"
    & skf21("4","1","7","4","3","4","4","1") = "6"
    & skf21("4","1","7","4","3","4","5","1") = "6"
    & skf21("4","1","7","4","3","4","6","1") = "6"
    & skf21("4","1","7","4","3","4","7","1") = "6"
    & skf21("4","1","7","4","3","5","1","1") = "6"
    & skf21("4","1","7","4","3","5","2","1") = "6"
    & skf21("4","1","7","4","3","5","3","1") = "6"
    & skf21("4","1","7","4","3","5","4","1") = "6"
    & skf21("4","1","7","4","3","5","5","1") = "6"
    & skf21("4","1","7","4","3","5","6","1") = "6"
    & skf21("4","1","7","4","3","5","7","1") = "6"
    & skf21("4","1","7","4","3","6","1","1") = "6"
    & skf21("4","1","7","4","3","6","2","1") = "6"
    & skf21("4","1","7","4","3","6","3","1") = "6"
    & skf21("4","1","7","4","3","6","4","1") = "6"
    & skf21("4","1","7","4","3","6","5","1") = "6"
    & skf21("4","1","7","4","3","6","6","1") = "6"
    & skf21("4","1","7","4","3","6","7","1") = "6"
    & skf21("4","1","7","4","3","7","1","1") = "6"
    & skf21("4","1","7","4","3","7","2","1") = "6"
    & skf21("4","1","7","4","3","7","3","1") = "6"
    & skf21("4","1","7","4","3","7","4","1") = "6"
    & skf21("4","1","7","4","3","7","5","1") = "6"
    & skf21("4","1","7","4","3","7","6","1") = "6"
    & skf21("4","1","7","4","3","7","7","1") = "6"
    & skf21("4","1","7","4","4","1","1","1") = "6"
    & skf21("4","1","7","4","4","1","2","1") = "6"
    & skf21("4","1","7","4","4","1","3","1") = "6"
    & skf21("4","1","7","4","4","1","4","1") = "6"
    & skf21("4","1","7","4","4","1","5","1") = "6"
    & skf21("4","1","7","4","4","1","6","1") = "6"
    & skf21("4","1","7","4","4","1","7","1") = "6"
    & skf21("4","1","7","4","4","2","1","1") = "6"
    & skf21("4","1","7","4","4","2","2","1") = "6"
    & skf21("4","1","7","4","4","2","3","1") = "6"
    & skf21("4","1","7","4","4","2","4","1") = "6"
    & skf21("4","1","7","4","4","2","5","1") = "6"
    & skf21("4","1","7","4","4","2","6","1") = "6"
    & skf21("4","1","7","4","4","2","7","1") = "6"
    & skf21("4","1","7","4","4","3","1","1") = "6"
    & skf21("4","1","7","4","4","3","2","1") = "6"
    & skf21("4","1","7","4","4","3","3","1") = "6"
    & skf21("4","1","7","4","4","3","4","1") = "6"
    & skf21("4","1","7","4","4","3","5","1") = "6"
    & skf21("4","1","7","4","4","3","6","1") = "6"
    & skf21("4","1","7","4","4","3","7","1") = "6"
    & skf21("4","1","7","4","4","4","1","1") = "6"
    & skf21("4","1","7","4","4","4","2","1") = "6"
    & skf21("4","1","7","4","4","4","3","1") = "6"
    & skf21("4","1","7","4","4","4","4","1") = "6"
    & skf21("4","1","7","4","4","4","5","1") = "6"
    & skf21("4","1","7","4","4","4","6","1") = "6"
    & skf21("4","1","7","4","4","4","7","1") = "6"
    & skf21("4","1","7","4","4","5","1","1") = "6"
    & skf21("4","1","7","4","4","5","2","1") = "6"
    & skf21("4","1","7","4","4","5","3","1") = "6"
    & skf21("4","1","7","4","4","5","4","1") = "6"
    & skf21("4","1","7","4","4","5","5","1") = "6"
    & skf21("4","1","7","4","4","5","6","1") = "6"
    & skf21("4","1","7","4","4","5","7","1") = "6"
    & skf21("4","1","7","4","4","6","1","1") = "6"
    & skf21("4","1","7","4","4","6","2","1") = "6"
    & skf21("4","1","7","4","4","6","3","1") = "6"
    & skf21("4","1","7","4","4","6","4","1") = "6"
    & skf21("4","1","7","4","4","6","5","1") = "6"
    & skf21("4","1","7","4","4","6","6","1") = "6"
    & skf21("4","1","7","4","4","6","7","1") = "6"
    & skf21("4","1","7","4","4","7","1","1") = "6"
    & skf21("4","1","7","4","4","7","2","1") = "6"
    & skf21("4","1","7","4","4","7","3","1") = "6"
    & skf21("4","1","7","4","4","7","4","1") = "6"
    & skf21("4","1","7","4","4","7","5","1") = "6"
    & skf21("4","1","7","4","4","7","6","1") = "6"
    & skf21("4","1","7","4","4","7","7","1") = "6"
    & skf21("4","1","7","4","5","1","1","1") = "6"
    & skf21("4","1","7","4","5","1","2","1") = "6"
    & skf21("4","1","7","4","5","1","3","1") = "6"
    & skf21("4","1","7","4","5","1","4","1") = "6"
    & skf21("4","1","7","4","5","1","5","1") = "6"
    & skf21("4","1","7","4","5","1","6","1") = "6"
    & skf21("4","1","7","4","5","1","7","1") = "6"
    & skf21("4","1","7","4","5","2","1","1") = "6"
    & skf21("4","1","7","4","5","2","2","1") = "6"
    & skf21("4","1","7","4","5","2","3","1") = "6"
    & skf21("4","1","7","4","5","2","4","1") = "6"
    & skf21("4","1","7","4","5","2","5","1") = "6"
    & skf21("4","1","7","4","5","2","6","1") = "6"
    & skf21("4","1","7","4","5","2","7","1") = "6"
    & skf21("4","1","7","4","5","3","1","1") = "6"
    & skf21("4","1","7","4","5","3","2","1") = "6"
    & skf21("4","1","7","4","5","3","3","1") = "6"
    & skf21("4","1","7","4","5","3","4","1") = "6"
    & skf21("4","1","7","4","5","3","5","1") = "6"
    & skf21("4","1","7","4","5","3","6","1") = "6"
    & skf21("4","1","7","4","5","3","7","1") = "6"
    & skf21("4","1","7","4","5","4","1","1") = "6"
    & skf21("4","1","7","4","5","4","2","1") = "6"
    & skf21("4","1","7","4","5","4","3","1") = "6"
    & skf21("4","1","7","4","5","4","4","1") = "6"
    & skf21("4","1","7","4","5","4","5","1") = "6"
    & skf21("4","1","7","4","5","4","6","1") = "6"
    & skf21("4","1","7","4","5","4","7","1") = "6"
    & skf21("4","1","7","4","5","5","1","1") = "6"
    & skf21("4","1","7","4","5","5","2","1") = "6"
    & skf21("4","1","7","4","5","5","3","1") = "6"
    & skf21("4","1","7","4","5","5","4","1") = "6"
    & skf21("4","1","7","4","5","5","5","1") = "6"
    & skf21("4","1","7","4","5","5","6","1") = "6"
    & skf21("4","1","7","4","5","5","7","1") = "6"
    & skf21("4","1","7","4","5","6","1","1") = "6"
    & skf21("4","1","7","4","5","6","2","1") = "6"
    & skf21("4","1","7","4","5","6","3","1") = "6"
    & skf21("4","1","7","4","5","6","4","1") = "6"
    & skf21("4","1","7","4","5","6","5","1") = "6"
    & skf21("4","1","7","4","5","6","6","1") = "6"
    & skf21("4","1","7","4","5","6","7","1") = "6"
    & skf21("4","1","7","4","5","7","1","1") = "6"
    & skf21("4","1","7","4","5","7","2","1") = "6"
    & skf21("4","1","7","4","5","7","3","1") = "6"
    & skf21("4","1","7","4","5","7","4","1") = "6"
    & skf21("4","1","7","4","5","7","5","1") = "6"
    & skf21("4","1","7","4","5","7","6","1") = "6"
    & skf21("4","1","7","4","5","7","7","1") = "6"
    & skf21("4","1","7","4","6","1","1","1") = "6"
    & skf21("4","1","7","4","6","1","2","1") = "6"
    & skf21("4","1","7","4","6","1","3","1") = "6"
    & skf21("4","1","7","4","6","1","4","1") = "6"
    & skf21("4","1","7","4","6","1","5","1") = "6"
    & skf21("4","1","7","4","6","1","6","1") = "6"
    & skf21("4","1","7","4","6","1","7","1") = "6"
    & skf21("4","1","7","4","6","2","1","1") = "6"
    & skf21("4","1","7","4","6","2","2","1") = "6"
    & skf21("4","1","7","4","6","2","3","1") = "6"
    & skf21("4","1","7","4","6","2","4","1") = "6"
    & skf21("4","1","7","4","6","2","5","1") = "6"
    & skf21("4","1","7","4","6","2","6","1") = "6"
    & skf21("4","1","7","4","6","2","7","1") = "6"
    & skf21("4","1","7","4","6","3","1","1") = "6"
    & skf21("4","1","7","4","6","3","2","1") = "6"
    & skf21("4","1","7","4","6","3","3","1") = "6"
    & skf21("4","1","7","4","6","3","4","1") = "6"
    & skf21("4","1","7","4","6","3","5","1") = "6"
    & skf21("4","1","7","4","6","3","6","1") = "6"
    & skf21("4","1","7","4","6","3","7","1") = "6"
    & skf21("4","1","7","4","6","4","1","1") = "6"
    & skf21("4","1","7","4","6","4","2","1") = "6"
    & skf21("4","1","7","4","6","4","3","1") = "6"
    & skf21("4","1","7","4","6","4","4","1") = "6"
    & skf21("4","1","7","4","6","4","5","1") = "6"
    & skf21("4","1","7","4","6","4","6","1") = "6"
    & skf21("4","1","7","4","6","4","7","1") = "6"
    & skf21("4","1","7","4","6","5","1","1") = "6"
    & skf21("4","1","7","4","6","5","2","1") = "6"
    & skf21("4","1","7","4","6","5","3","1") = "6"
    & skf21("4","1","7","4","6","5","4","1") = "6"
    & skf21("4","1","7","4","6","5","5","1") = "6"
    & skf21("4","1","7","4","6","5","6","1") = "6"
    & skf21("4","1","7","4","6","5","7","1") = "6"
    & skf21("4","1","7","4","6","6","1","1") = "6"
    & skf21("4","1","7","4","6","6","2","1") = "6"
    & skf21("4","1","7","4","6","6","3","1") = "6"
    & skf21("4","1","7","4","6","6","4","1") = "6"
    & skf21("4","1","7","4","6","6","5","1") = "6"
    & skf21("4","1","7","4","6","6","6","1") = "6"
    & skf21("4","1","7","4","6","6","7","1") = "6"
    & skf21("4","1","7","4","6","7","1","1") = "6"
    & skf21("4","1","7","4","6","7","2","1") = "6"
    & skf21("4","1","7","4","6","7","3","1") = "6"
    & skf21("4","1","7","4","6","7","4","1") = "6"
    & skf21("4","1","7","4","6","7","5","1") = "6"
    & skf21("4","1","7","4","6","7","6","1") = "6"
    & skf21("4","1","7","4","6","7","7","1") = "6"
    & skf21("4","1","7","4","7","1","1","1") = "6"
    & skf21("4","1","7","4","7","1","2","1") = "6"
    & skf21("4","1","7","4","7","1","3","1") = "6"
    & skf21("4","1","7","4","7","1","4","1") = "6"
    & skf21("4","1","7","4","7","1","5","1") = "6"
    & skf21("4","1","7","4","7","1","6","1") = "6"
    & skf21("4","1","7","4","7","1","7","1") = "6"
    & skf21("4","1","7","4","7","2","1","1") = "6"
    & skf21("4","1","7","4","7","2","2","1") = "6"
    & skf21("4","1","7","4","7","2","3","1") = "6"
    & skf21("4","1","7","4","7","2","4","1") = "6"
    & skf21("4","1","7","4","7","2","5","1") = "6"
    & skf21("4","1","7","4","7","2","6","1") = "6"
    & skf21("4","1","7","4","7","2","7","1") = "6"
    & skf21("4","1","7","4","7","3","1","1") = "6"
    & skf21("4","1","7","4","7","3","2","1") = "6"
    & skf21("4","1","7","4","7","3","3","1") = "6"
    & skf21("4","1","7","4","7","3","4","1") = "6"
    & skf21("4","1","7","4","7","3","5","1") = "6"
    & skf21("4","1","7","4","7","3","6","1") = "6"
    & skf21("4","1","7","4","7","3","7","1") = "6"
    & skf21("4","1","7","4","7","4","1","1") = "6"
    & skf21("4","1","7","4","7","4","2","1") = "6"
    & skf21("4","1","7","4","7","4","3","1") = "6"
    & skf21("4","1","7","4","7","4","4","1") = "6"
    & skf21("4","1","7","4","7","4","5","1") = "6"
    & skf21("4","1","7","4","7","4","6","1") = "6"
    & skf21("4","1","7","4","7","4","7","1") = "6"
    & skf21("4","1","7","4","7","5","1","1") = "6"
    & skf21("4","1","7","4","7","5","2","1") = "6"
    & skf21("4","1","7","4","7","5","3","1") = "6"
    & skf21("4","1","7","4","7","5","4","1") = "6"
    & skf21("4","1","7","4","7","5","5","1") = "6"
    & skf21("4","1","7","4","7","5","6","1") = "6"
    & skf21("4","1","7","4","7","5","7","1") = "6"
    & skf21("4","1","7","4","7","6","1","1") = "6"
    & skf21("4","1","7","4","7","6","2","1") = "6"
    & skf21("4","1","7","4","7","6","3","1") = "6"
    & skf21("4","1","7","4","7","6","4","1") = "6"
    & skf21("4","1","7","4","7","6","5","1") = "6"
    & skf21("4","1","7","4","7","6","6","1") = "6"
    & skf21("4","1","7","4","7","6","7","1") = "6"
    & skf21("4","1","7","4","7","7","1","1") = "6"
    & skf21("4","1","7","4","7","7","2","1") = "6"
    & skf21("4","1","7","4","7","7","3","1") = "6"
    & skf21("4","1","7","4","7","7","4","1") = "6"
    & skf21("4","1","7","4","7","7","5","1") = "6"
    & skf21("4","1","7","4","7","7","6","1") = "6"
    & skf21("4","1","7","4","7","7","7","1") = "6"
    & skf21("4","1","7","5","1","1","1","1") = "6"
    & skf21("4","1","7","5","1","1","2","1") = "6"
    & skf21("4","1","7","5","1","1","3","1") = "6"
    & skf21("4","1","7","5","1","1","4","1") = "6"
    & skf21("4","1","7","5","1","1","5","1") = "6"
    & skf21("4","1","7","5","1","1","6","1") = "6"
    & skf21("4","1","7","5","1","1","7","1") = "6"
    & skf21("4","1","7","5","1","2","1","1") = "6"
    & skf21("4","1","7","5","1","2","2","1") = "6"
    & skf21("4","1","7","5","1","2","3","1") = "6"
    & skf21("4","1","7","5","1","2","4","1") = "6"
    & skf21("4","1","7","5","1","2","5","1") = "6"
    & skf21("4","1","7","5","1","2","6","1") = "6"
    & skf21("4","1","7","5","1","2","7","1") = "6"
    & skf21("4","1","7","5","1","3","1","1") = "6"
    & skf21("4","1","7","5","1","3","2","1") = "6"
    & skf21("4","1","7","5","1","3","3","1") = "6"
    & skf21("4","1","7","5","1","3","4","1") = "6"
    & skf21("4","1","7","5","1","3","5","1") = "6"
    & skf21("4","1","7","5","1","3","6","1") = "6"
    & skf21("4","1","7","5","1","3","7","1") = "6"
    & skf21("4","1","7","5","1","4","1","1") = "6"
    & skf21("4","1","7","5","1","4","2","1") = "6"
    & skf21("4","1","7","5","1","4","3","1") = "6"
    & skf21("4","1","7","5","1","4","4","1") = "6"
    & skf21("4","1","7","5","1","4","5","1") = "6"
    & skf21("4","1","7","5","1","4","6","1") = "6"
    & skf21("4","1","7","5","1","4","7","1") = "6"
    & skf21("4","1","7","5","1","5","1","1") = "6"
    & skf21("4","1","7","5","1","5","2","1") = "6"
    & skf21("4","1","7","5","1","5","3","1") = "6"
    & skf21("4","1","7","5","1","5","4","1") = "6"
    & skf21("4","1","7","5","1","5","5","1") = "6"
    & skf21("4","1","7","5","1","5","6","1") = "6"
    & skf21("4","1","7","5","1","5","7","1") = "6"
    & skf21("4","1","7","5","1","6","1","1") = "6"
    & skf21("4","1","7","5","1","6","2","1") = "6"
    & skf21("4","1","7","5","1","6","3","1") = "6"
    & skf21("4","1","7","5","1","6","4","1") = "6"
    & skf21("4","1","7","5","1","6","5","1") = "6"
    & skf21("4","1","7","5","1","6","6","1") = "6"
    & skf21("4","1","7","5","1","6","7","1") = "6"
    & skf21("4","1","7","5","1","7","1","1") = "6"
    & skf21("4","1","7","5","1","7","2","1") = "6"
    & skf21("4","1","7","5","1","7","3","1") = "6"
    & skf21("4","1","7","5","1","7","4","1") = "6"
    & skf21("4","1","7","5","1","7","5","1") = "6"
    & skf21("4","1","7","5","1","7","6","1") = "6"
    & skf21("4","1","7","5","1","7","7","1") = "6"
    & skf21("4","1","7","5","2","1","1","1") = "6"
    & skf21("4","1","7","5","2","1","2","1") = "6"
    & skf21("4","1","7","5","2","1","3","1") = "6"
    & skf21("4","1","7","5","2","1","4","1") = "6"
    & skf21("4","1","7","5","2","1","5","1") = "6"
    & skf21("4","1","7","5","2","1","6","1") = "6"
    & skf21("4","1","7","5","2","1","7","1") = "6"
    & skf21("4","1","7","5","2","2","1","1") = "6"
    & skf21("4","1","7","5","2","2","2","1") = "6"
    & skf21("4","1","7","5","2","2","3","1") = "6"
    & skf21("4","1","7","5","2","2","4","1") = "6"
    & skf21("4","1","7","5","2","2","5","1") = "6"
    & skf21("4","1","7","5","2","2","6","1") = "6"
    & skf21("4","1","7","5","2","2","7","1") = "6"
    & skf21("4","1","7","5","2","3","1","1") = "6"
    & skf21("4","1","7","5","2","3","2","1") = "6"
    & skf21("4","1","7","5","2","3","3","1") = "6"
    & skf21("4","1","7","5","2","3","4","1") = "6"
    & skf21("4","1","7","5","2","3","5","1") = "6"
    & skf21("4","1","7","5","2","3","6","1") = "6"
    & skf21("4","1","7","5","2","3","7","1") = "6"
    & skf21("4","1","7","5","2","4","1","1") = "6"
    & skf21("4","1","7","5","2","4","2","1") = "6"
    & skf21("4","1","7","5","2","4","3","1") = "6"
    & skf21("4","1","7","5","2","4","4","1") = "6"
    & skf21("4","1","7","5","2","4","5","1") = "6"
    & skf21("4","1","7","5","2","4","6","1") = "6"
    & skf21("4","1","7","5","2","4","7","1") = "6"
    & skf21("4","1","7","5","2","5","1","1") = "6"
    & skf21("4","1","7","5","2","5","2","1") = "6"
    & skf21("4","1","7","5","2","5","3","1") = "6"
    & skf21("4","1","7","5","2","5","4","1") = "6"
    & skf21("4","1","7","5","2","5","5","1") = "6"
    & skf21("4","1","7","5","2","5","6","1") = "6"
    & skf21("4","1","7","5","2","5","7","1") = "6"
    & skf21("4","1","7","5","2","6","1","1") = "6"
    & skf21("4","1","7","5","2","6","2","1") = "6"
    & skf21("4","1","7","5","2","6","3","1") = "6"
    & skf21("4","1","7","5","2","6","4","1") = "6"
    & skf21("4","1","7","5","2","6","5","1") = "6"
    & skf21("4","1","7","5","2","6","6","1") = "6"
    & skf21("4","1","7","5","2","6","7","1") = "6"
    & skf21("4","1","7","5","2","7","1","1") = "6"
    & skf21("4","1","7","5","2","7","2","1") = "6"
    & skf21("4","1","7","5","2","7","3","1") = "6"
    & skf21("4","1","7","5","2","7","4","1") = "6"
    & skf21("4","1","7","5","2","7","5","1") = "6"
    & skf21("4","1","7","5","2","7","6","1") = "6"
    & skf21("4","1","7","5","2","7","7","1") = "6"
    & skf21("4","1","7","5","3","1","1","1") = "6"
    & skf21("4","1","7","5","3","1","2","1") = "6"
    & skf21("4","1","7","5","3","1","3","1") = "6"
    & skf21("4","1","7","5","3","1","4","1") = "6"
    & skf21("4","1","7","5","3","1","5","1") = "6"
    & skf21("4","1","7","5","3","1","6","1") = "6"
    & skf21("4","1","7","5","3","1","7","1") = "6"
    & skf21("4","1","7","5","3","2","1","1") = "6"
    & skf21("4","1","7","5","3","2","2","1") = "6"
    & skf21("4","1","7","5","3","2","3","1") = "6"
    & skf21("4","1","7","5","3","2","4","1") = "6"
    & skf21("4","1","7","5","3","2","5","1") = "6"
    & skf21("4","1","7","5","3","2","6","1") = "6"
    & skf21("4","1","7","5","3","2","7","1") = "6"
    & skf21("4","1","7","5","3","3","1","1") = "6"
    & skf21("4","1","7","5","3","3","2","1") = "6"
    & skf21("4","1","7","5","3","3","3","1") = "6"
    & skf21("4","1","7","5","3","3","4","1") = "6"
    & skf21("4","1","7","5","3","3","5","1") = "6"
    & skf21("4","1","7","5","3","3","6","1") = "6"
    & skf21("4","1","7","5","3","3","7","1") = "6"
    & skf21("4","1","7","5","3","4","1","1") = "6"
    & skf21("4","1","7","5","3","4","2","1") = "6"
    & skf21("4","1","7","5","3","4","3","1") = "6"
    & skf21("4","1","7","5","3","4","4","1") = "6"
    & skf21("4","1","7","5","3","4","5","1") = "6"
    & skf21("4","1","7","5","3","4","6","1") = "6"
    & skf21("4","1","7","5","3","4","7","1") = "6"
    & skf21("4","1","7","5","3","5","1","1") = "6"
    & skf21("4","1","7","5","3","5","2","1") = "6"
    & skf21("4","1","7","5","3","5","3","1") = "6"
    & skf21("4","1","7","5","3","5","4","1") = "6"
    & skf21("4","1","7","5","3","5","5","1") = "6"
    & skf21("4","1","7","5","3","5","6","1") = "6"
    & skf21("4","1","7","5","3","5","7","1") = "6"
    & skf21("4","1","7","5","3","6","1","1") = "6"
    & skf21("4","1","7","5","3","6","2","1") = "6"
    & skf21("4","1","7","5","3","6","3","1") = "6"
    & skf21("4","1","7","5","3","6","4","1") = "6"
    & skf21("4","1","7","5","3","6","5","1") = "6"
    & skf21("4","1","7","5","3","6","6","1") = "6"
    & skf21("4","1","7","5","3","6","7","1") = "6"
    & skf21("4","1","7","5","3","7","1","1") = "6"
    & skf21("4","1","7","5","3","7","2","1") = "6"
    & skf21("4","1","7","5","3","7","3","1") = "6"
    & skf21("4","1","7","5","3","7","4","1") = "6"
    & skf21("4","1","7","5","3","7","5","1") = "6"
    & skf21("4","1","7","5","3","7","6","1") = "6"
    & skf21("4","1","7","5","3","7","7","1") = "6"
    & skf21("4","1","7","5","4","1","1","1") = "6"
    & skf21("4","1","7","5","4","1","2","1") = "6"
    & skf21("4","1","7","5","4","1","3","1") = "6"
    & skf21("4","1","7","5","4","1","4","1") = "6"
    & skf21("4","1","7","5","4","1","5","1") = "6"
    & skf21("4","1","7","5","4","1","6","1") = "6"
    & skf21("4","1","7","5","4","1","7","1") = "6"
    & skf21("4","1","7","5","4","2","1","1") = "6"
    & skf21("4","1","7","5","4","2","2","1") = "6"
    & skf21("4","1","7","5","4","2","3","1") = "6"
    & skf21("4","1","7","5","4","2","4","1") = "6"
    & skf21("4","1","7","5","4","2","5","1") = "6"
    & skf21("4","1","7","5","4","2","6","1") = "6"
    & skf21("4","1","7","5","4","2","7","1") = "6"
    & skf21("4","1","7","5","4","3","1","1") = "6"
    & skf21("4","1","7","5","4","3","2","1") = "6"
    & skf21("4","1","7","5","4","3","3","1") = "6"
    & skf21("4","1","7","5","4","3","4","1") = "6"
    & skf21("4","1","7","5","4","3","5","1") = "6"
    & skf21("4","1","7","5","4","3","6","1") = "6"
    & skf21("4","1","7","5","4","3","7","1") = "6"
    & skf21("4","1","7","5","4","4","1","1") = "6"
    & skf21("4","1","7","5","4","4","2","1") = "6"
    & skf21("4","1","7","5","4","4","3","1") = "6"
    & skf21("4","1","7","5","4","4","4","1") = "6"
    & skf21("4","1","7","5","4","4","5","1") = "6"
    & skf21("4","1","7","5","4","4","6","1") = "6"
    & skf21("4","1","7","5","4","4","7","1") = "6"
    & skf21("4","1","7","5","4","5","1","1") = "6"
    & skf21("4","1","7","5","4","5","2","1") = "6"
    & skf21("4","1","7","5","4","5","3","1") = "6"
    & skf21("4","1","7","5","4","5","4","1") = "6"
    & skf21("4","1","7","5","4","5","5","1") = "6"
    & skf21("4","1","7","5","4","5","6","1") = "6"
    & skf21("4","1","7","5","4","5","7","1") = "6"
    & skf21("4","1","7","5","4","6","1","1") = "6"
    & skf21("4","1","7","5","4","6","2","1") = "6"
    & skf21("4","1","7","5","4","6","3","1") = "6"
    & skf21("4","1","7","5","4","6","4","1") = "6"
    & skf21("4","1","7","5","4","6","5","1") = "6"
    & skf21("4","1","7","5","4","6","6","1") = "6"
    & skf21("4","1","7","5","4","6","7","1") = "6"
    & skf21("4","1","7","5","4","7","1","1") = "6"
    & skf21("4","1","7","5","4","7","2","1") = "6"
    & skf21("4","1","7","5","4","7","3","1") = "6"
    & skf21("4","1","7","5","4","7","4","1") = "6"
    & skf21("4","1","7","5","4","7","5","1") = "6"
    & skf21("4","1","7","5","4","7","6","1") = "6"
    & skf21("4","1","7","5","4","7","7","1") = "6"
    & skf21("4","1","7","5","5","1","1","1") = "6"
    & skf21("4","1","7","5","5","1","2","1") = "6"
    & skf21("4","1","7","5","5","1","3","1") = "6"
    & skf21("4","1","7","5","5","1","4","1") = "6"
    & skf21("4","1","7","5","5","1","5","1") = "6"
    & skf21("4","1","7","5","5","1","6","1") = "6"
    & skf21("4","1","7","5","5","1","7","1") = "6"
    & skf21("4","1","7","5","5","2","1","1") = "6"
    & skf21("4","1","7","5","5","2","2","1") = "6"
    & skf21("4","1","7","5","5","2","3","1") = "6"
    & skf21("4","1","7","5","5","2","4","1") = "6"
    & skf21("4","1","7","5","5","2","5","1") = "6"
    & skf21("4","1","7","5","5","2","6","1") = "6"
    & skf21("4","1","7","5","5","2","7","1") = "6"
    & skf21("4","1","7","5","5","3","1","1") = "6"
    & skf21("4","1","7","5","5","3","2","1") = "6"
    & skf21("4","1","7","5","5","3","3","1") = "6"
    & skf21("4","1","7","5","5","3","4","1") = "6"
    & skf21("4","1","7","5","5","3","5","1") = "6"
    & skf21("4","1","7","5","5","3","6","1") = "6"
    & skf21("4","1","7","5","5","3","7","1") = "6"
    & skf21("4","1","7","5","5","4","1","1") = "6"
    & skf21("4","1","7","5","5","4","2","1") = "6"
    & skf21("4","1","7","5","5","4","3","1") = "6"
    & skf21("4","1","7","5","5","4","4","1") = "6"
    & skf21("4","1","7","5","5","4","5","1") = "6"
    & skf21("4","1","7","5","5","4","6","1") = "6"
    & skf21("4","1","7","5","5","4","7","1") = "6"
    & skf21("4","1","7","5","5","5","1","1") = "6"
    & skf21("4","1","7","5","5","5","2","1") = "6"
    & skf21("4","1","7","5","5","5","3","1") = "6"
    & skf21("4","1","7","5","5","5","4","1") = "6"
    & skf21("4","1","7","5","5","5","5","1") = "6"
    & skf21("4","1","7","5","5","5","6","1") = "6"
    & skf21("4","1","7","5","5","5","7","1") = "6"
    & skf21("4","1","7","5","5","6","1","1") = "6"
    & skf21("4","1","7","5","5","6","2","1") = "6"
    & skf21("4","1","7","5","5","6","3","1") = "6"
    & skf21("4","1","7","5","5","6","4","1") = "6"
    & skf21("4","1","7","5","5","6","5","1") = "6"
    & skf21("4","1","7","5","5","6","6","1") = "6"
    & skf21("4","1","7","5","5","6","7","1") = "6"
    & skf21("4","1","7","5","5","7","1","1") = "6"
    & skf21("4","1","7","5","5","7","2","1") = "6"
    & skf21("4","1","7","5","5","7","3","1") = "6"
    & skf21("4","1","7","5","5","7","4","1") = "6"
    & skf21("4","1","7","5","5","7","5","1") = "6"
    & skf21("4","1","7","5","5","7","6","1") = "6"
    & skf21("4","1","7","5","5","7","7","1") = "6"
    & skf21("4","1","7","5","6","1","1","1") = "6"
    & skf21("4","1","7","5","6","1","2","1") = "6"
    & skf21("4","1","7","5","6","1","3","1") = "6"
    & skf21("4","1","7","5","6","1","4","1") = "6"
    & skf21("4","1","7","5","6","1","5","1") = "6"
    & skf21("4","1","7","5","6","1","6","1") = "6"
    & skf21("4","1","7","5","6","1","7","1") = "6"
    & skf21("4","1","7","5","6","2","1","1") = "6"
    & skf21("4","1","7","5","6","2","2","1") = "6"
    & skf21("4","1","7","5","6","2","3","1") = "6"
    & skf21("4","1","7","5","6","2","4","1") = "6"
    & skf21("4","1","7","5","6","2","5","1") = "6"
    & skf21("4","1","7","5","6","2","6","1") = "6"
    & skf21("4","1","7","5","6","2","7","1") = "6"
    & skf21("4","1","7","5","6","3","1","1") = "6"
    & skf21("4","1","7","5","6","3","2","1") = "6"
    & skf21("4","1","7","5","6","3","3","1") = "6"
    & skf21("4","1","7","5","6","3","4","1") = "6"
    & skf21("4","1","7","5","6","3","5","1") = "6"
    & skf21("4","1","7","5","6","3","6","1") = "6"
    & skf21("4","1","7","5","6","3","7","1") = "6"
    & skf21("4","1","7","5","6","4","1","1") = "6"
    & skf21("4","1","7","5","6","4","2","1") = "6"
    & skf21("4","1","7","5","6","4","3","1") = "6"
    & skf21("4","1","7","5","6","4","4","1") = "6"
    & skf21("4","1","7","5","6","4","5","1") = "6"
    & skf21("4","1","7","5","6","4","6","1") = "6"
    & skf21("4","1","7","5","6","4","7","1") = "6"
    & skf21("4","1","7","5","6","5","1","1") = "6"
    & skf21("4","1","7","5","6","5","2","1") = "6"
    & skf21("4","1","7","5","6","5","3","1") = "6"
    & skf21("4","1","7","5","6","5","4","1") = "6"
    & skf21("4","1","7","5","6","5","5","1") = "6"
    & skf21("4","1","7","5","6","5","6","1") = "6"
    & skf21("4","1","7","5","6","5","7","1") = "6"
    & skf21("4","1","7","5","6","6","1","1") = "6"
    & skf21("4","1","7","5","6","6","2","1") = "6"
    & skf21("4","1","7","5","6","6","3","1") = "6"
    & skf21("4","1","7","5","6","6","4","1") = "6"
    & skf21("4","1","7","5","6","6","5","1") = "6"
    & skf21("4","1","7","5","6","6","6","1") = "6"
    & skf21("4","1","7","5","6","6","7","1") = "6"
    & skf21("4","1","7","5","6","7","1","1") = "6"
    & skf21("4","1","7","5","6","7","2","1") = "6"
    & skf21("4","1","7","5","6","7","3","1") = "6"
    & skf21("4","1","7","5","6","7","4","1") = "6"
    & skf21("4","1","7","5","6","7","5","1") = "6"
    & skf21("4","1","7","5","6","7","6","1") = "6"
    & skf21("4","1","7","5","6","7","7","1") = "6"
    & skf21("4","1","7","5","7","1","1","1") = "6"
    & skf21("4","1","7","5","7","1","2","1") = "6"
    & skf21("4","1","7","5","7","1","3","1") = "6"
    & skf21("4","1","7","5","7","1","4","1") = "6"
    & skf21("4","1","7","5","7","1","5","1") = "6"
    & skf21("4","1","7","5","7","1","6","1") = "6"
    & skf21("4","1","7","5","7","1","7","1") = "6"
    & skf21("4","1","7","5","7","2","1","1") = "6"
    & skf21("4","1","7","5","7","2","2","1") = "6"
    & skf21("4","1","7","5","7","2","3","1") = "6"
    & skf21("4","1","7","5","7","2","4","1") = "6"
    & skf21("4","1","7","5","7","2","5","1") = "6"
    & skf21("4","1","7","5","7","2","6","1") = "6"
    & skf21("4","1","7","5","7","2","7","1") = "6"
    & skf21("4","1","7","5","7","3","1","1") = "6"
    & skf21("4","1","7","5","7","3","2","1") = "6"
    & skf21("4","1","7","5","7","3","3","1") = "6"
    & skf21("4","1","7","5","7","3","4","1") = "6"
    & skf21("4","1","7","5","7","3","5","1") = "6"
    & skf21("4","1","7","5","7","3","6","1") = "6"
    & skf21("4","1","7","5","7","3","7","1") = "6"
    & skf21("4","1","7","5","7","4","1","1") = "6"
    & skf21("4","1","7","5","7","4","2","1") = "6"
    & skf21("4","1","7","5","7","4","3","1") = "6"
    & skf21("4","1","7","5","7","4","4","1") = "6"
    & skf21("4","1","7","5","7","4","5","1") = "6"
    & skf21("4","1","7","5","7","4","6","1") = "6"
    & skf21("4","1","7","5","7","4","7","1") = "6"
    & skf21("4","1","7","5","7","5","1","1") = "6"
    & skf21("4","1","7","5","7","5","2","1") = "6"
    & skf21("4","1","7","5","7","5","3","1") = "6"
    & skf21("4","1","7","5","7","5","4","1") = "6"
    & skf21("4","1","7","5","7","5","5","1") = "6"
    & skf21("4","1","7","5","7","5","6","1") = "6"
    & skf21("4","1","7","5","7","5","7","1") = "6"
    & skf21("4","1","7","5","7","6","1","1") = "6"
    & skf21("4","1","7","5","7","6","2","1") = "6"
    & skf21("4","1","7","5","7","6","3","1") = "6"
    & skf21("4","1","7","5","7","6","4","1") = "6"
    & skf21("4","1","7","5","7","6","5","1") = "6"
    & skf21("4","1","7","5","7","6","6","1") = "6"
    & skf21("4","1","7","5","7","6","7","1") = "6"
    & skf21("4","1","7","5","7","7","1","1") = "6"
    & skf21("4","1","7","5","7","7","2","1") = "6"
    & skf21("4","1","7","5","7","7","3","1") = "6"
    & skf21("4","1","7","5","7","7","4","1") = "6"
    & skf21("4","1","7","5","7","7","5","1") = "6"
    & skf21("4","1","7","5","7","7","6","1") = "6"
    & skf21("4","1","7","5","7","7","7","1") = "6"
    & skf21("4","1","7","6","1","1","1","1") = "6"
    & skf21("4","1","7","6","1","1","2","1") = "6"
    & skf21("4","1","7","6","1","1","3","1") = "6"
    & skf21("4","1","7","6","1","1","4","1") = "6"
    & skf21("4","1","7","6","1","1","5","1") = "6"
    & skf21("4","1","7","6","1","1","6","1") = "6"
    & skf21("4","1","7","6","1","1","7","1") = "6"
    & skf21("4","1","7","6","1","2","1","1") = "6"
    & skf21("4","1","7","6","1","2","2","1") = "6"
    & skf21("4","1","7","6","1","2","3","1") = "6"
    & skf21("4","1","7","6","1","2","4","1") = "6"
    & skf21("4","1","7","6","1","2","5","1") = "6"
    & skf21("4","1","7","6","1","2","6","1") = "6"
    & skf21("4","1","7","6","1","2","7","1") = "6"
    & skf21("4","1","7","6","1","3","1","1") = "6"
    & skf21("4","1","7","6","1","3","2","1") = "6"
    & skf21("4","1","7","6","1","3","3","1") = "6"
    & skf21("4","1","7","6","1","3","4","1") = "6"
    & skf21("4","1","7","6","1","3","5","1") = "6"
    & skf21("4","1","7","6","1","3","6","1") = "6"
    & skf21("4","1","7","6","1","3","7","1") = "6"
    & skf21("4","1","7","6","1","4","1","1") = "6"
    & skf21("4","1","7","6","1","4","2","1") = "6"
    & skf21("4","1","7","6","1","4","3","1") = "6"
    & skf21("4","1","7","6","1","4","4","1") = "6"
    & skf21("4","1","7","6","1","4","5","1") = "6"
    & skf21("4","1","7","6","1","4","6","1") = "6"
    & skf21("4","1","7","6","1","4","7","1") = "6"
    & skf21("4","1","7","6","1","5","1","1") = "6"
    & skf21("4","1","7","6","1","5","2","1") = "6"
    & skf21("4","1","7","6","1","5","3","1") = "6"
    & skf21("4","1","7","6","1","5","4","1") = "6"
    & skf21("4","1","7","6","1","5","5","1") = "6"
    & skf21("4","1","7","6","1","5","6","1") = "6"
    & skf21("4","1","7","6","1","5","7","1") = "6"
    & skf21("4","1","7","6","1","6","1","1") = "6"
    & skf21("4","1","7","6","1","6","2","1") = "6"
    & skf21("4","1","7","6","1","6","3","1") = "6"
    & skf21("4","1","7","6","1","6","4","1") = "6"
    & skf21("4","1","7","6","1","6","5","1") = "6"
    & skf21("4","1","7","6","1","6","6","1") = "6"
    & skf21("4","1","7","6","1","6","7","1") = "6"
    & skf21("4","1","7","6","1","7","1","1") = "6"
    & skf21("4","1","7","6","1","7","2","1") = "6"
    & skf21("4","1","7","6","1","7","3","1") = "6"
    & skf21("4","1","7","6","1","7","4","1") = "6"
    & skf21("4","1","7","6","1","7","5","1") = "6"
    & skf21("4","1","7","6","1","7","6","1") = "6"
    & skf21("4","1","7","6","1","7","7","1") = "6"
    & skf21("4","1","7","6","2","1","1","1") = "6"
    & skf21("4","1","7","6","2","1","2","1") = "6"
    & skf21("4","1","7","6","2","1","3","1") = "6"
    & skf21("4","1","7","6","2","1","4","1") = "6"
    & skf21("4","1","7","6","2","1","5","1") = "6"
    & skf21("4","1","7","6","2","1","6","1") = "6"
    & skf21("4","1","7","6","2","1","7","1") = "6"
    & skf21("4","1","7","6","2","2","1","1") = "6"
    & skf21("4","1","7","6","2","2","2","1") = "6"
    & skf21("4","1","7","6","2","2","3","1") = "6"
    & skf21("4","1","7","6","2","2","4","1") = "6"
    & skf21("4","1","7","6","2","2","5","1") = "6"
    & skf21("4","1","7","6","2","2","6","1") = "6"
    & skf21("4","1","7","6","2","2","7","1") = "6"
    & skf21("4","1","7","6","2","3","1","1") = "6"
    & skf21("4","1","7","6","2","3","2","1") = "6"
    & skf21("4","1","7","6","2","3","3","1") = "6"
    & skf21("4","1","7","6","2","3","4","1") = "6"
    & skf21("4","1","7","6","2","3","5","1") = "6"
    & skf21("4","1","7","6","2","3","6","1") = "6"
    & skf21("4","1","7","6","2","3","7","1") = "6"
    & skf21("4","1","7","6","2","4","1","1") = "6"
    & skf21("4","1","7","6","2","4","2","1") = "6"
    & skf21("4","1","7","6","2","4","3","1") = "6"
    & skf21("4","1","7","6","2","4","4","1") = "6"
    & skf21("4","1","7","6","2","4","5","1") = "6"
    & skf21("4","1","7","6","2","4","6","1") = "6"
    & skf21("4","1","7","6","2","4","7","1") = "6"
    & skf21("4","1","7","6","2","5","1","1") = "6"
    & skf21("4","1","7","6","2","5","2","1") = "6"
    & skf21("4","1","7","6","2","5","3","1") = "6"
    & skf21("4","1","7","6","2","5","4","1") = "6"
    & skf21("4","1","7","6","2","5","5","1") = "6"
    & skf21("4","1","7","6","2","5","6","1") = "6"
    & skf21("4","1","7","6","2","5","7","1") = "6"
    & skf21("4","1","7","6","2","6","1","1") = "6"
    & skf21("4","1","7","6","2","6","2","1") = "6"
    & skf21("4","1","7","6","2","6","3","1") = "6"
    & skf21("4","1","7","6","2","6","4","1") = "6"
    & skf21("4","1","7","6","2","6","5","1") = "6"
    & skf21("4","1","7","6","2","6","6","1") = "6"
    & skf21("4","1","7","6","2","6","7","1") = "6"
    & skf21("4","1","7","6","2","7","1","1") = "6"
    & skf21("4","1","7","6","2","7","2","1") = "6"
    & skf21("4","1","7","6","2","7","3","1") = "6"
    & skf21("4","1","7","6","2","7","4","1") = "6"
    & skf21("4","1","7","6","2","7","5","1") = "6"
    & skf21("4","1","7","6","2","7","6","1") = "6"
    & skf21("4","1","7","6","2","7","7","1") = "6"
    & skf21("4","1","7","6","3","1","1","1") = "6"
    & skf21("4","1","7","6","3","1","2","1") = "6"
    & skf21("4","1","7","6","3","1","3","1") = "6"
    & skf21("4","1","7","6","3","1","4","1") = "6"
    & skf21("4","1","7","6","3","1","5","1") = "6"
    & skf21("4","1","7","6","3","1","6","1") = "6"
    & skf21("4","1","7","6","3","1","7","1") = "6"
    & skf21("4","1","7","6","3","2","1","1") = "6"
    & skf21("4","1","7","6","3","2","2","1") = "6"
    & skf21("4","1","7","6","3","2","3","1") = "6"
    & skf21("4","1","7","6","3","2","4","1") = "6"
    & skf21("4","1","7","6","3","2","5","1") = "6"
    & skf21("4","1","7","6","3","2","6","1") = "6"
    & skf21("4","1","7","6","3","2","7","1") = "6"
    & skf21("4","1","7","6","3","3","1","1") = "6"
    & skf21("4","1","7","6","3","3","2","1") = "6"
    & skf21("4","1","7","6","3","3","3","1") = "6"
    & skf21("4","1","7","6","3","3","4","1") = "6"
    & skf21("4","1","7","6","3","3","5","1") = "6"
    & skf21("4","1","7","6","3","3","6","1") = "6"
    & skf21("4","1","7","6","3","3","7","1") = "6"
    & skf21("4","1","7","6","3","4","1","1") = "6"
    & skf21("4","1","7","6","3","4","2","1") = "6"
    & skf21("4","1","7","6","3","4","3","1") = "6"
    & skf21("4","1","7","6","3","4","4","1") = "6"
    & skf21("4","1","7","6","3","4","5","1") = "6"
    & skf21("4","1","7","6","3","4","6","1") = "6"
    & skf21("4","1","7","6","3","4","7","1") = "6"
    & skf21("4","1","7","6","3","5","1","1") = "6"
    & skf21("4","1","7","6","3","5","2","1") = "6"
    & skf21("4","1","7","6","3","5","3","1") = "6"
    & skf21("4","1","7","6","3","5","4","1") = "6"
    & skf21("4","1","7","6","3","5","5","1") = "6"
    & skf21("4","1","7","6","3","5","6","1") = "6"
    & skf21("4","1","7","6","3","5","7","1") = "6"
    & skf21("4","1","7","6","3","6","1","1") = "6"
    & skf21("4","1","7","6","3","6","2","1") = "6"
    & skf21("4","1","7","6","3","6","3","1") = "6"
    & skf21("4","1","7","6","3","6","4","1") = "6"
    & skf21("4","1","7","6","3","6","5","1") = "6"
    & skf21("4","1","7","6","3","6","6","1") = "6"
    & skf21("4","1","7","6","3","6","7","1") = "6"
    & skf21("4","1","7","6","3","7","1","1") = "6"
    & skf21("4","1","7","6","3","7","2","1") = "6"
    & skf21("4","1","7","6","3","7","3","1") = "6"
    & skf21("4","1","7","6","3","7","4","1") = "6"
    & skf21("4","1","7","6","3","7","5","1") = "6"
    & skf21("4","1","7","6","3","7","6","1") = "6"
    & skf21("4","1","7","6","3","7","7","1") = "6"
    & skf21("4","1","7","6","4","1","1","1") = "6"
    & skf21("4","1","7","6","4","1","2","1") = "6"
    & skf21("4","1","7","6","4","1","3","1") = "6"
    & skf21("4","1","7","6","4","1","4","1") = "6"
    & skf21("4","1","7","6","4","1","5","1") = "6"
    & skf21("4","1","7","6","4","1","6","1") = "6"
    & skf21("4","1","7","6","4","1","7","1") = "6"
    & skf21("4","1","7","6","4","2","1","1") = "6"
    & skf21("4","1","7","6","4","2","2","1") = "6"
    & skf21("4","1","7","6","4","2","3","1") = "6"
    & skf21("4","1","7","6","4","2","4","1") = "6"
    & skf21("4","1","7","6","4","2","5","1") = "6"
    & skf21("4","1","7","6","4","2","6","1") = "6"
    & skf21("4","1","7","6","4","2","7","1") = "6"
    & skf21("4","1","7","6","4","3","1","1") = "6"
    & skf21("4","1","7","6","4","3","2","1") = "6"
    & skf21("4","1","7","6","4","3","3","1") = "6"
    & skf21("4","1","7","6","4","3","4","1") = "6"
    & skf21("4","1","7","6","4","3","5","1") = "6"
    & skf21("4","1","7","6","4","3","6","1") = "6"
    & skf21("4","1","7","6","4","3","7","1") = "6"
    & skf21("4","1","7","6","4","4","1","1") = "6"
    & skf21("4","1","7","6","4","4","2","1") = "6"
    & skf21("4","1","7","6","4","4","3","1") = "6"
    & skf21("4","1","7","6","4","4","4","1") = "6"
    & skf21("4","1","7","6","4","4","5","1") = "6"
    & skf21("4","1","7","6","4","4","6","1") = "6"
    & skf21("4","1","7","6","4","4","7","1") = "6"
    & skf21("4","1","7","6","4","5","1","1") = "6"
    & skf21("4","1","7","6","4","5","2","1") = "6"
    & skf21("4","1","7","6","4","5","3","1") = "6"
    & skf21("4","1","7","6","4","5","4","1") = "6"
    & skf21("4","1","7","6","4","5","5","1") = "6"
    & skf21("4","1","7","6","4","5","6","1") = "6"
    & skf21("4","1","7","6","4","5","7","1") = "6"
    & skf21("4","1","7","6","4","6","1","1") = "6"
    & skf21("4","1","7","6","4","6","2","1") = "6"
    & skf21("4","1","7","6","4","6","3","1") = "6"
    & skf21("4","1","7","6","4","6","4","1") = "6"
    & skf21("4","1","7","6","4","6","5","1") = "6"
    & skf21("4","1","7","6","4","6","6","1") = "6"
    & skf21("4","1","7","6","4","6","7","1") = "6"
    & skf21("4","1","7","6","4","7","1","1") = "6"
    & skf21("4","1","7","6","4","7","2","1") = "6"
    & skf21("4","1","7","6","4","7","3","1") = "6"
    & skf21("4","1","7","6","4","7","4","1") = "6"
    & skf21("4","1","7","6","4","7","5","1") = "6"
    & skf21("4","1","7","6","4","7","6","1") = "6"
    & skf21("4","1","7","6","4","7","7","1") = "6"
    & skf21("4","1","7","6","5","1","1","1") = "6"
    & skf21("4","1","7","6","5","1","2","1") = "6"
    & skf21("4","1","7","6","5","1","3","1") = "6"
    & skf21("4","1","7","6","5","1","4","1") = "6"
    & skf21("4","1","7","6","5","1","5","1") = "6"
    & skf21("4","1","7","6","5","1","6","1") = "6"
    & skf21("4","1","7","6","5","1","7","1") = "6"
    & skf21("4","1","7","6","5","2","1","1") = "6"
    & skf21("4","1","7","6","5","2","2","1") = "6"
    & skf21("4","1","7","6","5","2","3","1") = "6"
    & skf21("4","1","7","6","5","2","4","1") = "6"
    & skf21("4","1","7","6","5","2","5","1") = "6"
    & skf21("4","1","7","6","5","2","6","1") = "6"
    & skf21("4","1","7","6","5","2","7","1") = "6"
    & skf21("4","1","7","6","5","3","1","1") = "6"
    & skf21("4","1","7","6","5","3","2","1") = "6"
    & skf21("4","1","7","6","5","3","3","1") = "6"
    & skf21("4","1","7","6","5","3","4","1") = "6"
    & skf21("4","1","7","6","5","3","5","1") = "6"
    & skf21("4","1","7","6","5","3","6","1") = "6"
    & skf21("4","1","7","6","5","3","7","1") = "6"
    & skf21("4","1","7","6","5","4","1","1") = "6"
    & skf21("4","1","7","6","5","4","2","1") = "6"
    & skf21("4","1","7","6","5","4","3","1") = "6"
    & skf21("4","1","7","6","5","4","4","1") = "6"
    & skf21("4","1","7","6","5","4","5","1") = "6"
    & skf21("4","1","7","6","5","4","6","1") = "6"
    & skf21("4","1","7","6","5","4","7","1") = "6"
    & skf21("4","1","7","6","5","5","1","1") = "6"
    & skf21("4","1","7","6","5","5","2","1") = "6"
    & skf21("4","1","7","6","5","5","3","1") = "6"
    & skf21("4","1","7","6","5","5","4","1") = "6"
    & skf21("4","1","7","6","5","5","5","1") = "6"
    & skf21("4","1","7","6","5","5","6","1") = "6"
    & skf21("4","1","7","6","5","5","7","1") = "6"
    & skf21("4","1","7","6","5","6","1","1") = "6"
    & skf21("4","1","7","6","5","6","2","1") = "6"
    & skf21("4","1","7","6","5","6","3","1") = "6"
    & skf21("4","1","7","6","5","6","4","1") = "6"
    & skf21("4","1","7","6","5","6","5","1") = "6"
    & skf21("4","1","7","6","5","6","6","1") = "6"
    & skf21("4","1","7","6","5","6","7","1") = "6"
    & skf21("4","1","7","6","5","7","1","1") = "6"
    & skf21("4","1","7","6","5","7","2","1") = "6"
    & skf21("4","1","7","6","5","7","3","1") = "6"
    & skf21("4","1","7","6","5","7","4","1") = "6"
    & skf21("4","1","7","6","5","7","5","1") = "6"
    & skf21("4","1","7","6","5","7","6","1") = "6"
    & skf21("4","1","7","6","5","7","7","1") = "6"
    & skf21("4","1","7","6","6","1","1","1") = "6"
    & skf21("4","1","7","6","6","1","2","1") = "6"
    & skf21("4","1","7","6","6","1","3","1") = "6"
    & skf21("4","1","7","6","6","1","4","1") = "6"
    & skf21("4","1","7","6","6","1","5","1") = "6"
    & skf21("4","1","7","6","6","1","6","1") = "6"
    & skf21("4","1","7","6","6","1","7","1") = "6"
    & skf21("4","1","7","6","6","2","1","1") = "6"
    & skf21("4","1","7","6","6","2","2","1") = "6"
    & skf21("4","1","7","6","6","2","3","1") = "6"
    & skf21("4","1","7","6","6","2","4","1") = "6"
    & skf21("4","1","7","6","6","2","5","1") = "6"
    & skf21("4","1","7","6","6","2","6","1") = "6"
    & skf21("4","1","7","6","6","2","7","1") = "6"
    & skf21("4","1","7","6","6","3","1","1") = "6"
    & skf21("4","1","7","6","6","3","2","1") = "6"
    & skf21("4","1","7","6","6","3","3","1") = "6"
    & skf21("4","1","7","6","6","3","4","1") = "6"
    & skf21("4","1","7","6","6","3","5","1") = "6"
    & skf21("4","1","7","6","6","3","6","1") = "6"
    & skf21("4","1","7","6","6","3","7","1") = "6"
    & skf21("4","1","7","6","6","4","1","1") = "6"
    & skf21("4","1","7","6","6","4","2","1") = "6"
    & skf21("4","1","7","6","6","4","3","1") = "6"
    & skf21("4","1","7","6","6","4","4","1") = "6"
    & skf21("4","1","7","6","6","4","5","1") = "6"
    & skf21("4","1","7","6","6","4","6","1") = "6"
    & skf21("4","1","7","6","6","4","7","1") = "6"
    & skf21("4","1","7","6","6","5","1","1") = "6"
    & skf21("4","1","7","6","6","5","2","1") = "6"
    & skf21("4","1","7","6","6","5","3","1") = "6"
    & skf21("4","1","7","6","6","5","4","1") = "6"
    & skf21("4","1","7","6","6","5","5","1") = "6"
    & skf21("4","1","7","6","6","5","6","1") = "6"
    & skf21("4","1","7","6","6","5","7","1") = "6"
    & skf21("4","1","7","6","6","6","1","1") = "6"
    & skf21("4","1","7","6","6","6","2","1") = "6"
    & skf21("4","1","7","6","6","6","3","1") = "6"
    & skf21("4","1","7","6","6","6","4","1") = "6"
    & skf21("4","1","7","6","6","6","5","1") = "6"
    & skf21("4","1","7","6","6","6","6","1") = "6"
    & skf21("4","1","7","6","6","6","7","1") = "6"
    & skf21("4","1","7","6","6","7","1","1") = "6"
    & skf21("4","1","7","6","6","7","2","1") = "6"
    & skf21("4","1","7","6","6","7","3","1") = "6"
    & skf21("4","1","7","6","6","7","4","1") = "6"
    & skf21("4","1","7","6","6","7","5","1") = "6"
    & skf21("4","1","7","6","6","7","6","1") = "6"
    & skf21("4","1","7","6","6","7","7","1") = "6"
    & skf21("4","1","7","6","7","1","1","1") = "6"
    & skf21("4","1","7","6","7","1","2","1") = "6"
    & skf21("4","1","7","6","7","1","3","1") = "6"
    & skf21("4","1","7","6","7","1","4","1") = "6"
    & skf21("4","1","7","6","7","1","5","1") = "6"
    & skf21("4","1","7","6","7","1","6","1") = "6"
    & skf21("4","1","7","6","7","1","7","1") = "6"
    & skf21("4","1","7","6","7","2","1","1") = "6"
    & skf21("4","1","7","6","7","2","2","1") = "6"
    & skf21("4","1","7","6","7","2","3","1") = "6"
    & skf21("4","1","7","6","7","2","4","1") = "6"
    & skf21("4","1","7","6","7","2","5","1") = "6"
    & skf21("4","1","7","6","7","2","6","1") = "6"
    & skf21("4","1","7","6","7","2","7","1") = "6"
    & skf21("4","1","7","6","7","3","1","1") = "6"
    & skf21("4","1","7","6","7","3","2","1") = "6"
    & skf21("4","1","7","6","7","3","3","1") = "6"
    & skf21("4","1","7","6","7","3","4","1") = "6"
    & skf21("4","1","7","6","7","3","5","1") = "6"
    & skf21("4","1","7","6","7","3","6","1") = "6"
    & skf21("4","1","7","6","7","3","7","1") = "6"
    & skf21("4","1","7","6","7","4","1","1") = "6"
    & skf21("4","1","7","6","7","4","2","1") = "6"
    & skf21("4","1","7","6","7","4","3","1") = "6"
    & skf21("4","1","7","6","7","4","4","1") = "6"
    & skf21("4","1","7","6","7","4","5","1") = "6"
    & skf21("4","1","7","6","7","4","6","1") = "6"
    & skf21("4","1","7","6","7","4","7","1") = "6"
    & skf21("4","1","7","6","7","5","1","1") = "6"
    & skf21("4","1","7","6","7","5","2","1") = "6"
    & skf21("4","1","7","6","7","5","3","1") = "6"
    & skf21("4","1","7","6","7","5","4","1") = "6"
    & skf21("4","1","7","6","7","5","5","1") = "6"
    & skf21("4","1","7","6","7","5","6","1") = "6"
    & skf21("4","1","7","6","7","5","7","1") = "6"
    & skf21("4","1","7","6","7","6","1","1") = "6"
    & skf21("4","1","7","6","7","6","2","1") = "6"
    & skf21("4","1","7","6","7","6","3","1") = "6"
    & skf21("4","1","7","6","7","6","4","1") = "6"
    & skf21("4","1","7","6","7","6","5","1") = "6"
    & skf21("4","1","7","6","7","6","6","1") = "6"
    & skf21("4","1","7","6","7","6","7","1") = "6"
    & skf21("4","1","7","6","7","7","1","1") = "6"
    & skf21("4","1","7","6","7","7","2","1") = "6"
    & skf21("4","1","7","6","7","7","3","1") = "6"
    & skf21("4","1","7","6","7","7","4","1") = "6"
    & skf21("4","1","7","6","7","7","5","1") = "6"
    & skf21("4","1","7","6","7","7","6","1") = "6"
    & skf21("4","1","7","6","7","7","7","1") = "6"
    & skf21("4","1","7","7","1","1","1","1") = "6"
    & skf21("4","1","7","7","1","1","2","1") = "6"
    & skf21("4","1","7","7","1","1","3","1") = "6"
    & skf21("4","1","7","7","1","1","4","1") = "6"
    & skf21("4","1","7","7","1","1","5","1") = "6"
    & skf21("4","1","7","7","1","1","6","1") = "6"
    & skf21("4","1","7","7","1","1","7","1") = "6"
    & skf21("4","1","7","7","1","2","1","1") = "6"
    & skf21("4","1","7","7","1","2","2","1") = "6"
    & skf21("4","1","7","7","1","2","3","1") = "6"
    & skf21("4","1","7","7","1","2","4","1") = "6"
    & skf21("4","1","7","7","1","2","5","1") = "6"
    & skf21("4","1","7","7","1","2","6","1") = "6"
    & skf21("4","1","7","7","1","2","7","1") = "6"
    & skf21("4","1","7","7","1","3","1","1") = "6"
    & skf21("4","1","7","7","1","3","2","1") = "6"
    & skf21("4","1","7","7","1","3","3","1") = "6"
    & skf21("4","1","7","7","1","3","4","1") = "6"
    & skf21("4","1","7","7","1","3","5","1") = "6"
    & skf21("4","1","7","7","1","3","6","1") = "6"
    & skf21("4","1","7","7","1","3","7","1") = "6"
    & skf21("4","1","7","7","1","4","1","1") = "6"
    & skf21("4","1","7","7","1","4","2","1") = "6"
    & skf21("4","1","7","7","1","4","3","1") = "6"
    & skf21("4","1","7","7","1","4","4","1") = "6"
    & skf21("4","1","7","7","1","4","5","1") = "6"
    & skf21("4","1","7","7","1","4","6","1") = "6"
    & skf21("4","1","7","7","1","4","7","1") = "6"
    & skf21("4","1","7","7","1","5","1","1") = "6"
    & skf21("4","1","7","7","1","5","2","1") = "6"
    & skf21("4","1","7","7","1","5","3","1") = "6"
    & skf21("4","1","7","7","1","5","4","1") = "6"
    & skf21("4","1","7","7","1","5","5","1") = "6"
    & skf21("4","1","7","7","1","5","6","1") = "6"
    & skf21("4","1","7","7","1","5","7","1") = "6"
    & skf21("4","1","7","7","1","6","1","1") = "6"
    & skf21("4","1","7","7","1","6","2","1") = "6"
    & skf21("4","1","7","7","1","6","3","1") = "6"
    & skf21("4","1","7","7","1","6","4","1") = "6"
    & skf21("4","1","7","7","1","6","5","1") = "6"
    & skf21("4","1","7","7","1","6","6","1") = "6"
    & skf21("4","1","7","7","1","6","7","1") = "6"
    & skf21("4","1","7","7","1","7","1","1") = "6"
    & skf21("4","1","7","7","1","7","2","1") = "6"
    & skf21("4","1","7","7","1","7","3","1") = "6"
    & skf21("4","1","7","7","1","7","4","1") = "6"
    & skf21("4","1","7","7","1","7","5","1") = "6"
    & skf21("4","1","7","7","1","7","6","1") = "6"
    & skf21("4","1","7","7","1","7","7","1") = "6"
    & skf21("4","1","7","7","2","1","1","1") = "6"
    & skf21("4","1","7","7","2","1","2","1") = "6"
    & skf21("4","1","7","7","2","1","3","1") = "6"
    & skf21("4","1","7","7","2","1","4","1") = "6"
    & skf21("4","1","7","7","2","1","5","1") = "6"
    & skf21("4","1","7","7","2","1","6","1") = "6"
    & skf21("4","1","7","7","2","1","7","1") = "6"
    & skf21("4","1","7","7","2","2","1","1") = "6"
    & skf21("4","1","7","7","2","2","2","1") = "6"
    & skf21("4","1","7","7","2","2","3","1") = "6"
    & skf21("4","1","7","7","2","2","4","1") = "6"
    & skf21("4","1","7","7","2","2","5","1") = "6"
    & skf21("4","1","7","7","2","2","6","1") = "6"
    & skf21("4","1","7","7","2","2","7","1") = "6"
    & skf21("4","1","7","7","2","3","1","1") = "6"
    & skf21("4","1","7","7","2","3","2","1") = "6"
    & skf21("4","1","7","7","2","3","3","1") = "6"
    & skf21("4","1","7","7","2","3","4","1") = "6"
    & skf21("4","1","7","7","2","3","5","1") = "6"
    & skf21("4","1","7","7","2","3","6","1") = "6"
    & skf21("4","1","7","7","2","3","7","1") = "6"
    & skf21("4","1","7","7","2","4","1","1") = "6"
    & skf21("4","1","7","7","2","4","2","1") = "6"
    & skf21("4","1","7","7","2","4","3","1") = "6"
    & skf21("4","1","7","7","2","4","4","1") = "6"
    & skf21("4","1","7","7","2","4","5","1") = "6"
    & skf21("4","1","7","7","2","4","6","1") = "6"
    & skf21("4","1","7","7","2","4","7","1") = "6"
    & skf21("4","1","7","7","2","5","1","1") = "6"
    & skf21("4","1","7","7","2","5","2","1") = "6"
    & skf21("4","1","7","7","2","5","3","1") = "6"
    & skf21("4","1","7","7","2","5","4","1") = "6"
    & skf21("4","1","7","7","2","5","5","1") = "6"
    & skf21("4","1","7","7","2","5","6","1") = "6"
    & skf21("4","1","7","7","2","5","7","1") = "6"
    & skf21("4","1","7","7","2","6","1","1") = "6"
    & skf21("4","1","7","7","2","6","2","1") = "6"
    & skf21("4","1","7","7","2","6","3","1") = "6"
    & skf21("4","1","7","7","2","6","4","1") = "6"
    & skf21("4","1","7","7","2","6","5","1") = "6"
    & skf21("4","1","7","7","2","6","6","1") = "6"
    & skf21("4","1","7","7","2","6","7","1") = "6"
    & skf21("4","1","7","7","2","7","1","1") = "6"
    & skf21("4","1","7","7","2","7","2","1") = "6"
    & skf21("4","1","7","7","2","7","3","1") = "6"
    & skf21("4","1","7","7","2","7","4","1") = "6"
    & skf21("4","1","7","7","2","7","5","1") = "6"
    & skf21("4","1","7","7","2","7","6","1") = "6"
    & skf21("4","1","7","7","2","7","7","1") = "6"
    & skf21("4","1","7","7","3","1","1","1") = "6"
    & skf21("4","1","7","7","3","1","2","1") = "6"
    & skf21("4","1","7","7","3","1","3","1") = "6"
    & skf21("4","1","7","7","3","1","4","1") = "6"
    & skf21("4","1","7","7","3","1","5","1") = "6"
    & skf21("4","1","7","7","3","1","6","1") = "6"
    & skf21("4","1","7","7","3","1","7","1") = "6"
    & skf21("4","1","7","7","3","2","1","1") = "6"
    & skf21("4","1","7","7","3","2","2","1") = "6"
    & skf21("4","1","7","7","3","2","3","1") = "6"
    & skf21("4","1","7","7","3","2","4","1") = "6"
    & skf21("4","1","7","7","3","2","5","1") = "6"
    & skf21("4","1","7","7","3","2","6","1") = "6"
    & skf21("4","1","7","7","3","2","7","1") = "6"
    & skf21("4","1","7","7","3","3","1","1") = "6"
    & skf21("4","1","7","7","3","3","2","1") = "6"
    & skf21("4","1","7","7","3","3","3","1") = "6"
    & skf21("4","1","7","7","3","3","4","1") = "6"
    & skf21("4","1","7","7","3","3","5","1") = "6"
    & skf21("4","1","7","7","3","3","6","1") = "6"
    & skf21("4","1","7","7","3","3","7","1") = "6"
    & skf21("4","1","7","7","3","4","1","1") = "6"
    & skf21("4","1","7","7","3","4","2","1") = "6"
    & skf21("4","1","7","7","3","4","3","1") = "6"
    & skf21("4","1","7","7","3","4","4","1") = "6"
    & skf21("4","1","7","7","3","4","5","1") = "6"
    & skf21("4","1","7","7","3","4","6","1") = "6"
    & skf21("4","1","7","7","3","4","7","1") = "6"
    & skf21("4","1","7","7","3","5","1","1") = "6"
    & skf21("4","1","7","7","3","5","2","1") = "6"
    & skf21("4","1","7","7","3","5","3","1") = "6"
    & skf21("4","1","7","7","3","5","4","1") = "6"
    & skf21("4","1","7","7","3","5","5","1") = "6"
    & skf21("4","1","7","7","3","5","6","1") = "6"
    & skf21("4","1","7","7","3","5","7","1") = "6"
    & skf21("4","1","7","7","3","6","1","1") = "6"
    & skf21("4","1","7","7","3","6","2","1") = "6"
    & skf21("4","1","7","7","3","6","3","1") = "6"
    & skf21("4","1","7","7","3","6","4","1") = "6"
    & skf21("4","1","7","7","3","6","5","1") = "6"
    & skf21("4","1","7","7","3","6","6","1") = "6"
    & skf21("4","1","7","7","3","6","7","1") = "6"
    & skf21("4","1","7","7","3","7","1","1") = "6"
    & skf21("4","1","7","7","3","7","2","1") = "6"
    & skf21("4","1","7","7","3","7","3","1") = "6"
    & skf21("4","1","7","7","3","7","4","1") = "6"
    & skf21("4","1","7","7","3","7","5","1") = "6"
    & skf21("4","1","7","7","3","7","6","1") = "6"
    & skf21("4","1","7","7","3","7","7","1") = "6"
    & skf21("4","1","7","7","4","1","1","1") = "6"
    & skf21("4","1","7","7","4","1","2","1") = "6"
    & skf21("4","1","7","7","4","1","3","1") = "6"
    & skf21("4","1","7","7","4","1","4","1") = "6"
    & skf21("4","1","7","7","4","1","5","1") = "6"
    & skf21("4","1","7","7","4","1","6","1") = "6"
    & skf21("4","1","7","7","4","1","7","1") = "6"
    & skf21("4","1","7","7","4","2","1","1") = "6"
    & skf21("4","1","7","7","4","2","2","1") = "6"
    & skf21("4","1","7","7","4","2","3","1") = "6"
    & skf21("4","1","7","7","4","2","4","1") = "6"
    & skf21("4","1","7","7","4","2","5","1") = "6"
    & skf21("4","1","7","7","4","2","6","1") = "6"
    & skf21("4","1","7","7","4","2","7","1") = "6"
    & skf21("4","1","7","7","4","3","1","1") = "6"
    & skf21("4","1","7","7","4","3","2","1") = "6"
    & skf21("4","1","7","7","4","3","3","1") = "6"
    & skf21("4","1","7","7","4","3","4","1") = "6"
    & skf21("4","1","7","7","4","3","5","1") = "6"
    & skf21("4","1","7","7","4","3","6","1") = "6"
    & skf21("4","1","7","7","4","3","7","1") = "6"
    & skf21("4","1","7","7","4","4","1","1") = "6"
    & skf21("4","1","7","7","4","4","2","1") = "6"
    & skf21("4","1","7","7","4","4","3","1") = "6"
    & skf21("4","1","7","7","4","4","4","1") = "6"
    & skf21("4","1","7","7","4","4","5","1") = "6"
    & skf21("4","1","7","7","4","4","6","1") = "6"
    & skf21("4","1","7","7","4","4","7","1") = "6"
    & skf21("4","1","7","7","4","5","1","1") = "6"
    & skf21("4","1","7","7","4","5","2","1") = "6"
    & skf21("4","1","7","7","4","5","3","1") = "6"
    & skf21("4","1","7","7","4","5","4","1") = "6"
    & skf21("4","1","7","7","4","5","5","1") = "6"
    & skf21("4","1","7","7","4","5","6","1") = "6"
    & skf21("4","1","7","7","4","5","7","1") = "6"
    & skf21("4","1","7","7","4","6","1","1") = "6"
    & skf21("4","1","7","7","4","6","2","1") = "6"
    & skf21("4","1","7","7","4","6","3","1") = "6"
    & skf21("4","1","7","7","4","6","4","1") = "6"
    & skf21("4","1","7","7","4","6","5","1") = "6"
    & skf21("4","1","7","7","4","6","6","1") = "6"
    & skf21("4","1","7","7","4","6","7","1") = "6"
    & skf21("4","1","7","7","4","7","1","1") = "6"
    & skf21("4","1","7","7","4","7","2","1") = "6"
    & skf21("4","1","7","7","4","7","3","1") = "6"
    & skf21("4","1","7","7","4","7","4","1") = "6"
    & skf21("4","1","7","7","4","7","5","1") = "6"
    & skf21("4","1","7","7","4","7","6","1") = "6"
    & skf21("4","1","7","7","4","7","7","1") = "6"
    & skf21("4","1","7","7","5","1","1","1") = "6"
    & skf21("4","1","7","7","5","1","2","1") = "6"
    & skf21("4","1","7","7","5","1","3","1") = "6"
    & skf21("4","1","7","7","5","1","4","1") = "6"
    & skf21("4","1","7","7","5","1","5","1") = "6"
    & skf21("4","1","7","7","5","1","6","1") = "6"
    & skf21("4","1","7","7","5","1","7","1") = "6"
    & skf21("4","1","7","7","5","2","1","1") = "6"
    & skf21("4","1","7","7","5","2","2","1") = "6"
    & skf21("4","1","7","7","5","2","3","1") = "6"
    & skf21("4","1","7","7","5","2","4","1") = "6"
    & skf21("4","1","7","7","5","2","5","1") = "6"
    & skf21("4","1","7","7","5","2","6","1") = "6"
    & skf21("4","1","7","7","5","2","7","1") = "6"
    & skf21("4","1","7","7","5","3","1","1") = "6"
    & skf21("4","1","7","7","5","3","2","1") = "6"
    & skf21("4","1","7","7","5","3","3","1") = "6"
    & skf21("4","1","7","7","5","3","4","1") = "6"
    & skf21("4","1","7","7","5","3","5","1") = "6"
    & skf21("4","1","7","7","5","3","6","1") = "6"
    & skf21("4","1","7","7","5","3","7","1") = "6"
    & skf21("4","1","7","7","5","4","1","1") = "6"
    & skf21("4","1","7","7","5","4","2","1") = "6"
    & skf21("4","1","7","7","5","4","3","1") = "6"
    & skf21("4","1","7","7","5","4","4","1") = "6"
    & skf21("4","1","7","7","5","4","5","1") = "6"
    & skf21("4","1","7","7","5","4","6","1") = "6"
    & skf21("4","1","7","7","5","4","7","1") = "6"
    & skf21("4","1","7","7","5","5","1","1") = "6"
    & skf21("4","1","7","7","5","5","2","1") = "6"
    & skf21("4","1","7","7","5","5","3","1") = "6"
    & skf21("4","1","7","7","5","5","4","1") = "6"
    & skf21("4","1","7","7","5","5","5","1") = "6"
    & skf21("4","1","7","7","5","5","6","1") = "6"
    & skf21("4","1","7","7","5","5","7","1") = "6"
    & skf21("4","1","7","7","5","6","1","1") = "6"
    & skf21("4","1","7","7","5","6","2","1") = "6"
    & skf21("4","1","7","7","5","6","3","1") = "6"
    & skf21("4","1","7","7","5","6","4","1") = "6"
    & skf21("4","1","7","7","5","6","5","1") = "6"
    & skf21("4","1","7","7","5","6","6","1") = "6"
    & skf21("4","1","7","7","5","6","7","1") = "6"
    & skf21("4","1","7","7","5","7","1","1") = "6"
    & skf21("4","1","7","7","5","7","2","1") = "6"
    & skf21("4","1","7","7","5","7","3","1") = "6"
    & skf21("4","1","7","7","5","7","4","1") = "6"
    & skf21("4","1","7","7","5","7","5","1") = "6"
    & skf21("4","1","7","7","5","7","6","1") = "6"
    & skf21("4","1","7","7","5","7","7","1") = "6"
    & skf21("4","1","7","7","6","1","1","1") = "6"
    & skf21("4","1","7","7","6","1","2","1") = "6"
    & skf21("4","1","7","7","6","1","3","1") = "6"
    & skf21("4","1","7","7","6","1","4","1") = "6"
    & skf21("4","1","7","7","6","1","5","1") = "6"
    & skf21("4","1","7","7","6","1","6","1") = "6"
    & skf21("4","1","7","7","6","1","7","1") = "6"
    & skf21("4","1","7","7","6","2","1","1") = "6"
    & skf21("4","1","7","7","6","2","2","1") = "6"
    & skf21("4","1","7","7","6","2","3","1") = "6"
    & skf21("4","1","7","7","6","2","4","1") = "6"
    & skf21("4","1","7","7","6","2","5","1") = "6"
    & skf21("4","1","7","7","6","2","6","1") = "6"
    & skf21("4","1","7","7","6","2","7","1") = "6"
    & skf21("4","1","7","7","6","3","1","1") = "6"
    & skf21("4","1","7","7","6","3","2","1") = "6"
    & skf21("4","1","7","7","6","3","3","1") = "6"
    & skf21("4","1","7","7","6","3","4","1") = "6"
    & skf21("4","1","7","7","6","3","5","1") = "6"
    & skf21("4","1","7","7","6","3","6","1") = "6"
    & skf21("4","1","7","7","6","3","7","1") = "6"
    & skf21("4","1","7","7","6","4","1","1") = "6"
    & skf21("4","1","7","7","6","4","2","1") = "6"
    & skf21("4","1","7","7","6","4","3","1") = "6"
    & skf21("4","1","7","7","6","4","4","1") = "6"
    & skf21("4","1","7","7","6","4","5","1") = "6"
    & skf21("4","1","7","7","6","4","6","1") = "6"
    & skf21("4","1","7","7","6","4","7","1") = "6"
    & skf21("4","1","7","7","6","5","1","1") = "6"
    & skf21("4","1","7","7","6","5","2","1") = "6"
    & skf21("4","1","7","7","6","5","3","1") = "6"
    & skf21("4","1","7","7","6","5","4","1") = "6"
    & skf21("4","1","7","7","6","5","5","1") = "6"
    & skf21("4","1","7","7","6","5","6","1") = "6"
    & skf21("4","1","7","7","6","5","7","1") = "6"
    & skf21("4","1","7","7","6","6","1","1") = "6"
    & skf21("4","1","7","7","6","6","2","1") = "6"
    & skf21("4","1","7","7","6","6","3","1") = "6"
    & skf21("4","1","7","7","6","6","4","1") = "6"
    & skf21("4","1","7","7","6","6","5","1") = "6"
    & skf21("4","1","7","7","6","6","6","1") = "6"
    & skf21("4","1","7","7","6","6","7","1") = "6"
    & skf21("4","1","7","7","6","7","1","1") = "6"
    & skf21("4","1","7","7","6","7","2","1") = "6"
    & skf21("4","1","7","7","6","7","3","1") = "6"
    & skf21("4","1","7","7","6","7","4","1") = "6"
    & skf21("4","1","7","7","6","7","5","1") = "6"
    & skf21("4","1","7","7","6","7","6","1") = "6"
    & skf21("4","1","7","7","6","7","7","1") = "6"
    & skf21("4","1","7","7","7","1","1","1") = "6"
    & skf21("4","1","7","7","7","1","2","1") = "6"
    & skf21("4","1","7","7","7","1","3","1") = "6"
    & skf21("4","1","7","7","7","1","4","1") = "6"
    & skf21("4","1","7","7","7","1","5","1") = "6"
    & skf21("4","1","7","7","7","1","6","1") = "6"
    & skf21("4","1","7","7","7","1","7","1") = "6"
    & skf21("4","1","7","7","7","2","1","1") = "6"
    & skf21("4","1","7","7","7","2","2","1") = "6"
    & skf21("4","1","7","7","7","2","3","1") = "6"
    & skf21("4","1","7","7","7","2","4","1") = "6"
    & skf21("4","1","7","7","7","2","5","1") = "6"
    & skf21("4","1","7","7","7","2","6","1") = "6"
    & skf21("4","1","7","7","7","2","7","1") = "6"
    & skf21("4","1","7","7","7","3","1","1") = "6"
    & skf21("4","1","7","7","7","3","2","1") = "6"
    & skf21("4","1","7","7","7","3","3","1") = "6"
    & skf21("4","1","7","7","7","3","4","1") = "6"
    & skf21("4","1","7","7","7","3","5","1") = "6"
    & skf21("4","1","7","7","7","3","6","1") = "6"
    & skf21("4","1","7","7","7","3","7","1") = "6"
    & skf21("4","1","7","7","7","4","1","1") = "6"
    & skf21("4","1","7","7","7","4","2","1") = "6"
    & skf21("4","1","7","7","7","4","3","1") = "6"
    & skf21("4","1","7","7","7","4","4","1") = "6"
    & skf21("4","1","7","7","7","4","5","1") = "6"
    & skf21("4","1","7","7","7","4","6","1") = "6"
    & skf21("4","1","7","7","7","4","7","1") = "6"
    & skf21("4","1","7","7","7","5","1","1") = "6"
    & skf21("4","1","7","7","7","5","2","1") = "6"
    & skf21("4","1","7","7","7","5","3","1") = "6"
    & skf21("4","1","7","7","7","5","4","1") = "6"
    & skf21("4","1","7","7","7","5","5","1") = "6"
    & skf21("4","1","7","7","7","5","6","1") = "6"
    & skf21("4","1","7","7","7","5","7","1") = "6"
    & skf21("4","1","7","7","7","6","1","1") = "6"
    & skf21("4","1","7","7","7","6","2","1") = "6"
    & skf21("4","1","7","7","7","6","3","1") = "6"
    & skf21("4","1","7","7","7","6","4","1") = "6"
    & skf21("4","1","7","7","7","6","5","1") = "6"
    & skf21("4","1","7","7","7","6","6","1") = "6"
    & skf21("4","1","7","7","7","6","7","1") = "6"
    & skf21("4","1","7","7","7","7","1","1") = "6"
    & skf21("4","1","7","7","7","7","2","1") = "6"
    & skf21("4","1","7","7","7","7","3","1") = "6"
    & skf21("4","1","7","7","7","7","4","1") = "6"
    & skf21("4","1","7","7","7","7","5","1") = "6"
    & skf21("4","1","7","7","7","7","6","1") = "6"
    & skf21("4","1","7","7","7","7","7","1") = "6"
    & skf21("4","2","1","1","1","1","1","1") = "3"
    & skf21("4","2","1","1","1","1","2","1") = "3"
    & skf21("4","2","1","1","1","1","3","1") = "3"
    & skf21("4","2","1","1","1","1","4","1") = "3"
    & skf21("4","2","1","1","1","1","5","1") = "4"
    & skf21("4","2","1","1","1","1","6","1") = "5"
    & skf21("4","2","1","1","1","1","7","1") = "6"
    & skf21("4","2","1","1","1","2","1","1") = "3"
    & skf21("4","2","1","1","1","2","2","1") = "3"
    & skf21("4","2","1","1","1","2","3","1") = "3"
    & skf21("4","2","1","1","1","2","4","1") = "3"
    & skf21("4","2","1","1","1","2","5","1") = "4"
    & skf21("4","2","1","1","1","2","6","1") = "5"
    & skf21("4","2","1","1","1","2","7","1") = "6"
    & skf21("4","2","1","1","1","3","1","1") = "3"
    & skf21("4","2","1","1","1","3","2","1") = "3"
    & skf21("4","2","1","1","1","3","3","1") = "3"
    & skf21("4","2","1","1","1","3","4","1") = "3"
    & skf21("4","2","1","1","1","3","5","1") = "4"
    & skf21("4","2","1","1","1","3","6","1") = "5"
    & skf21("4","2","1","1","1","3","7","1") = "6"
    & skf21("4","2","1","1","1","4","1","1") = "3"
    & skf21("4","2","1","1","1","4","2","1") = "3"
    & skf21("4","2","1","1","1","4","3","1") = "3"
    & skf21("4","2","1","1","1","4","4","1") = "3"
    & skf21("4","2","1","1","1","4","5","1") = "4"
    & skf21("4","2","1","1","1","4","6","1") = "5"
    & skf21("4","2","1","1","1","4","7","1") = "6"
    & skf21("4","2","1","1","1","5","1","1") = "4"
    & skf21("4","2","1","1","1","5","2","1") = "4"
    & skf21("4","2","1","1","1","5","3","1") = "4"
    & skf21("4","2","1","1","1","5","4","1") = "4"
    & skf21("4","2","1","1","1","5","5","1") = "4"
    & skf21("4","2","1","1","1","5","6","1") = "5"
    & skf21("4","2","1","1","1","5","7","1") = "6"
    & skf21("4","2","1","1","1","6","1","1") = "5"
    & skf21("4","2","1","1","1","6","2","1") = "5"
    & skf21("4","2","1","1","1","6","3","1") = "5"
    & skf21("4","2","1","1","1","6","4","1") = "5"
    & skf21("4","2","1","1","1","6","5","1") = "5"
    & skf21("4","2","1","1","1","6","6","1") = "5"
    & skf21("4","2","1","1","1","6","7","1") = "6"
    & skf21("4","2","1","1","1","7","1","1") = "6"
    & skf21("4","2","1","1","1","7","2","1") = "6"
    & skf21("4","2","1","1","1","7","3","1") = "6"
    & skf21("4","2","1","1","1","7","4","1") = "6"
    & skf21("4","2","1","1","1","7","5","1") = "6"
    & skf21("4","2","1","1","1","7","6","1") = "6"
    & skf21("4","2","1","1","1","7","7","1") = "6"
    & skf21("4","2","1","1","2","1","1","1") = "3"
    & skf21("4","2","1","1","2","1","2","1") = "3"
    & skf21("4","2","1","1","2","1","3","1") = "3"
    & skf21("4","2","1","1","2","1","4","1") = "3"
    & skf21("4","2","1","1","2","1","5","1") = "4"
    & skf21("4","2","1","1","2","1","6","1") = "5"
    & skf21("4","2","1","1","2","1","7","1") = "6"
    & skf21("4","2","1","1","2","2","1","1") = "3"
    & skf21("4","2","1","1","2","2","2","1") = "3"
    & skf21("4","2","1","1","2","2","3","1") = "3"
    & skf21("4","2","1","1","2","2","4","1") = "3"
    & skf21("4","2","1","1","2","2","5","1") = "4"
    & skf21("4","2","1","1","2","2","6","1") = "5"
    & skf21("4","2","1","1","2","2","7","1") = "6"
    & skf21("4","2","1","1","2","3","1","1") = "3"
    & skf21("4","2","1","1","2","3","2","1") = "3"
    & skf21("4","2","1","1","2","3","3","1") = "3"
    & skf21("4","2","1","1","2","3","4","1") = "3"
    & skf21("4","2","1","1","2","3","5","1") = "4"
    & skf21("4","2","1","1","2","3","6","1") = "5"
    & skf21("4","2","1","1","2","3","7","1") = "6"
    & skf21("4","2","1","1","2","4","1","1") = "3"
    & skf21("4","2","1","1","2","4","2","1") = "3"
    & skf21("4","2","1","1","2","4","3","1") = "3"
    & skf21("4","2","1","1","2","4","4","1") = "3"
    & skf21("4","2","1","1","2","4","5","1") = "4"
    & skf21("4","2","1","1","2","4","6","1") = "5"
    & skf21("4","2","1","1","2","4","7","1") = "6"
    & skf21("4","2","1","1","2","5","1","1") = "4"
    & skf21("4","2","1","1","2","5","2","1") = "4"
    & skf21("4","2","1","1","2","5","3","1") = "4"
    & skf21("4","2","1","1","2","5","4","1") = "4"
    & skf21("4","2","1","1","2","5","5","1") = "4"
    & skf21("4","2","1","1","2","5","6","1") = "5"
    & skf21("4","2","1","1","2","5","7","1") = "6"
    & skf21("4","2","1","1","2","6","1","1") = "5"
    & skf21("4","2","1","1","2","6","2","1") = "5"
    & skf21("4","2","1","1","2","6","3","1") = "5"
    & skf21("4","2","1","1","2","6","4","1") = "5"
    & skf21("4","2","1","1","2","6","5","1") = "5"
    & skf21("4","2","1","1","2","6","6","1") = "5"
    & skf21("4","2","1","1","2","6","7","1") = "6"
    & skf21("4","2","1","1","2","7","1","1") = "6"
    & skf21("4","2","1","1","2","7","2","1") = "6"
    & skf21("4","2","1","1","2","7","3","1") = "6"
    & skf21("4","2","1","1","2","7","4","1") = "6"
    & skf21("4","2","1","1","2","7","5","1") = "6"
    & skf21("4","2","1","1","2","7","6","1") = "6"
    & skf21("4","2","1","1","2","7","7","1") = "6"
    & skf21("4","2","1","1","3","1","1","1") = "3"
    & skf21("4","2","1","1","3","1","2","1") = "3"
    & skf21("4","2","1","1","3","1","3","1") = "3"
    & skf21("4","2","1","1","3","1","4","1") = "3"
    & skf21("4","2","1","1","3","1","5","1") = "4"
    & skf21("4","2","1","1","3","1","6","1") = "5"
    & skf21("4","2","1","1","3","1","7","1") = "6"
    & skf21("4","2","1","1","3","2","1","1") = "3"
    & skf21("4","2","1","1","3","2","2","1") = "3"
    & skf21("4","2","1","1","3","2","3","1") = "3"
    & skf21("4","2","1","1","3","2","4","1") = "3"
    & skf21("4","2","1","1","3","2","5","1") = "4"
    & skf21("4","2","1","1","3","2","6","1") = "5"
    & skf21("4","2","1","1","3","2","7","1") = "6"
    & skf21("4","2","1","1","3","3","1","1") = "3"
    & skf21("4","2","1","1","3","3","2","1") = "3"
    & skf21("4","2","1","1","3","3","3","1") = "3"
    & skf21("4","2","1","1","3","3","4","1") = "3"
    & skf21("4","2","1","1","3","3","5","1") = "4"
    & skf21("4","2","1","1","3","3","6","1") = "5"
    & skf21("4","2","1","1","3","3","7","1") = "6"
    & skf21("4","2","1","1","3","4","1","1") = "3"
    & skf21("4","2","1","1","3","4","2","1") = "3"
    & skf21("4","2","1","1","3","4","3","1") = "3"
    & skf21("4","2","1","1","3","4","4","1") = "3"
    & skf21("4","2","1","1","3","4","5","1") = "4"
    & skf21("4","2","1","1","3","4","6","1") = "5"
    & skf21("4","2","1","1","3","4","7","1") = "6"
    & skf21("4","2","1","1","3","5","1","1") = "4"
    & skf21("4","2","1","1","3","5","2","1") = "4"
    & skf21("4","2","1","1","3","5","3","1") = "4"
    & skf21("4","2","1","1","3","5","4","1") = "4"
    & skf21("4","2","1","1","3","5","5","1") = "4"
    & skf21("4","2","1","1","3","5","6","1") = "5"
    & skf21("4","2","1","1","3","5","7","1") = "6"
    & skf21("4","2","1","1","3","6","1","1") = "5"
    & skf21("4","2","1","1","3","6","2","1") = "5"
    & skf21("4","2","1","1","3","6","3","1") = "5"
    & skf21("4","2","1","1","3","6","4","1") = "5"
    & skf21("4","2","1","1","3","6","5","1") = "5"
    & skf21("4","2","1","1","3","6","6","1") = "5"
    & skf21("4","2","1","1","3","6","7","1") = "6"
    & skf21("4","2","1","1","3","7","1","1") = "6"
    & skf21("4","2","1","1","3","7","2","1") = "6"
    & skf21("4","2","1","1","3","7","3","1") = "6"
    & skf21("4","2","1","1","3","7","4","1") = "6"
    & skf21("4","2","1","1","3","7","5","1") = "6"
    & skf21("4","2","1","1","3","7","6","1") = "6"
    & skf21("4","2","1","1","3","7","7","1") = "6"
    & skf21("4","2","1","1","4","1","1","1") = "3"
    & skf21("4","2","1","1","4","1","2","1") = "3"
    & skf21("4","2","1","1","4","1","3","1") = "3"
    & skf21("4","2","1","1","4","1","4","1") = "3"
    & skf21("4","2","1","1","4","1","5","1") = "4"
    & skf21("4","2","1","1","4","1","6","1") = "5"
    & skf21("4","2","1","1","4","1","7","1") = "6"
    & skf21("4","2","1","1","4","2","1","1") = "3"
    & skf21("4","2","1","1","4","2","2","1") = "3"
    & skf21("4","2","1","1","4","2","3","1") = "3"
    & skf21("4","2","1","1","4","2","4","1") = "3"
    & skf21("4","2","1","1","4","2","5","1") = "4"
    & skf21("4","2","1","1","4","2","6","1") = "5"
    & skf21("4","2","1","1","4","2","7","1") = "6"
    & skf21("4","2","1","1","4","3","1","1") = "3"
    & skf21("4","2","1","1","4","3","2","1") = "3"
    & skf21("4","2","1","1","4","3","3","1") = "3"
    & skf21("4","2","1","1","4","3","4","1") = "3"
    & skf21("4","2","1","1","4","3","5","1") = "4"
    & skf21("4","2","1","1","4","3","6","1") = "5"
    & skf21("4","2","1","1","4","3","7","1") = "6"
    & skf21("4","2","1","1","4","4","1","1") = "3"
    & skf21("4","2","1","1","4","4","2","1") = "3"
    & skf21("4","2","1","1","4","4","3","1") = "3"
    & skf21("4","2","1","1","4","4","4","1") = "3"
    & skf21("4","2","1","1","4","4","5","1") = "4"
    & skf21("4","2","1","1","4","4","6","1") = "5"
    & skf21("4","2","1","1","4","4","7","1") = "6"
    & skf21("4","2","1","1","4","5","1","1") = "4"
    & skf21("4","2","1","1","4","5","2","1") = "4"
    & skf21("4","2","1","1","4","5","3","1") = "4"
    & skf21("4","2","1","1","4","5","4","1") = "4"
    & skf21("4","2","1","1","4","5","5","1") = "4"
    & skf21("4","2","1","1","4","5","6","1") = "5"
    & skf21("4","2","1","1","4","5","7","1") = "6"
    & skf21("4","2","1","1","4","6","1","1") = "5"
    & skf21("4","2","1","1","4","6","2","1") = "5"
    & skf21("4","2","1","1","4","6","3","1") = "5"
    & skf21("4","2","1","1","4","6","4","1") = "5"
    & skf21("4","2","1","1","4","6","5","1") = "5"
    & skf21("4","2","1","1","4","6","6","1") = "5"
    & skf21("4","2","1","1","4","6","7","1") = "6"
    & skf21("4","2","1","1","4","7","1","1") = "6"
    & skf21("4","2","1","1","4","7","2","1") = "6"
    & skf21("4","2","1","1","4","7","3","1") = "6"
    & skf21("4","2","1","1","4","7","4","1") = "6"
    & skf21("4","2","1","1","4","7","5","1") = "6"
    & skf21("4","2","1","1","4","7","6","1") = "6"
    & skf21("4","2","1","1","4","7","7","1") = "6"
    & skf21("4","2","1","1","5","1","1","1") = "4"
    & skf21("4","2","1","1","5","1","2","1") = "4"
    & skf21("4","2","1","1","5","1","3","1") = "4"
    & skf21("4","2","1","1","5","1","4","1") = "4"
    & skf21("4","2","1","1","5","1","5","1") = "4"
    & skf21("4","2","1","1","5","1","6","1") = "5"
    & skf21("4","2","1","1","5","1","7","1") = "6"
    & skf21("4","2","1","1","5","2","1","1") = "4"
    & skf21("4","2","1","1","5","2","2","1") = "4"
    & skf21("4","2","1","1","5","2","3","1") = "4"
    & skf21("4","2","1","1","5","2","4","1") = "4"
    & skf21("4","2","1","1","5","2","5","1") = "4"
    & skf21("4","2","1","1","5","2","6","1") = "5"
    & skf21("4","2","1","1","5","2","7","1") = "6"
    & skf21("4","2","1","1","5","3","1","1") = "4"
    & skf21("4","2","1","1","5","3","2","1") = "4"
    & skf21("4","2","1","1","5","3","3","1") = "4"
    & skf21("4","2","1","1","5","3","4","1") = "4"
    & skf21("4","2","1","1","5","3","5","1") = "4"
    & skf21("4","2","1","1","5","3","6","1") = "5"
    & skf21("4","2","1","1","5","3","7","1") = "6"
    & skf21("4","2","1","1","5","4","1","1") = "4"
    & skf21("4","2","1","1","5","4","2","1") = "4"
    & skf21("4","2","1","1","5","4","3","1") = "4"
    & skf21("4","2","1","1","5","4","4","1") = "4"
    & skf21("4","2","1","1","5","4","5","1") = "4"
    & skf21("4","2","1","1","5","4","6","1") = "5"
    & skf21("4","2","1","1","5","4","7","1") = "6"
    & skf21("4","2","1","1","5","5","1","1") = "4"
    & skf21("4","2","1","1","5","5","2","1") = "4"
    & skf21("4","2","1","1","5","5","3","1") = "4"
    & skf21("4","2","1","1","5","5","4","1") = "4"
    & skf21("4","2","1","1","5","5","5","1") = "4"
    & skf21("4","2","1","1","5","5","6","1") = "5"
    & skf21("4","2","1","1","5","5","7","1") = "6"
    & skf21("4","2","1","1","5","6","1","1") = "5"
    & skf21("4","2","1","1","5","6","2","1") = "5"
    & skf21("4","2","1","1","5","6","3","1") = "5"
    & skf21("4","2","1","1","5","6","4","1") = "5"
    & skf21("4","2","1","1","5","6","5","1") = "5"
    & skf21("4","2","1","1","5","6","6","1") = "5"
    & skf21("4","2","1","1","5","6","7","1") = "6"
    & skf21("4","2","1","1","5","7","1","1") = "6"
    & skf21("4","2","1","1","5","7","2","1") = "6"
    & skf21("4","2","1","1","5","7","3","1") = "6"
    & skf21("4","2","1","1","5","7","4","1") = "6"
    & skf21("4","2","1","1","5","7","5","1") = "6"
    & skf21("4","2","1","1","5","7","6","1") = "6"
    & skf21("4","2","1","1","5","7","7","1") = "6"
    & skf21("4","2","1","1","6","1","1","1") = "5"
    & skf21("4","2","1","1","6","1","2","1") = "5"
    & skf21("4","2","1","1","6","1","3","1") = "5"
    & skf21("4","2","1","1","6","1","4","1") = "5"
    & skf21("4","2","1","1","6","1","5","1") = "5"
    & skf21("4","2","1","1","6","1","6","1") = "5"
    & skf21("4","2","1","1","6","1","7","1") = "6"
    & skf21("4","2","1","1","6","2","1","1") = "5"
    & skf21("4","2","1","1","6","2","2","1") = "5"
    & skf21("4","2","1","1","6","2","3","1") = "5"
    & skf21("4","2","1","1","6","2","4","1") = "5"
    & skf21("4","2","1","1","6","2","5","1") = "5"
    & skf21("4","2","1","1","6","2","6","1") = "5"
    & skf21("4","2","1","1","6","2","7","1") = "6"
    & skf21("4","2","1","1","6","3","1","1") = "5"
    & skf21("4","2","1","1","6","3","2","1") = "5"
    & skf21("4","2","1","1","6","3","3","1") = "5"
    & skf21("4","2","1","1","6","3","4","1") = "5"
    & skf21("4","2","1","1","6","3","5","1") = "5"
    & skf21("4","2","1","1","6","3","6","1") = "5"
    & skf21("4","2","1","1","6","3","7","1") = "6"
    & skf21("4","2","1","1","6","4","1","1") = "5"
    & skf21("4","2","1","1","6","4","2","1") = "5"
    & skf21("4","2","1","1","6","4","3","1") = "5"
    & skf21("4","2","1","1","6","4","4","1") = "5"
    & skf21("4","2","1","1","6","4","5","1") = "5"
    & skf21("4","2","1","1","6","4","6","1") = "5"
    & skf21("4","2","1","1","6","4","7","1") = "6"
    & skf21("4","2","1","1","6","5","1","1") = "5"
    & skf21("4","2","1","1","6","5","2","1") = "5"
    & skf21("4","2","1","1","6","5","3","1") = "5"
    & skf21("4","2","1","1","6","5","4","1") = "5"
    & skf21("4","2","1","1","6","5","5","1") = "5"
    & skf21("4","2","1","1","6","5","6","1") = "5"
    & skf21("4","2","1","1","6","5","7","1") = "6"
    & skf21("4","2","1","1","6","6","1","1") = "5"
    & skf21("4","2","1","1","6","6","2","1") = "5"
    & skf21("4","2","1","1","6","6","3","1") = "5"
    & skf21("4","2","1","1","6","6","4","1") = "5"
    & skf21("4","2","1","1","6","6","5","1") = "5"
    & skf21("4","2","1","1","6","6","6","1") = "5"
    & skf21("4","2","1","1","6","6","7","1") = "6"
    & skf21("4","2","1","1","6","7","1","1") = "6"
    & skf21("4","2","1","1","6","7","2","1") = "6"
    & skf21("4","2","1","1","6","7","3","1") = "6"
    & skf21("4","2","1","1","6","7","4","1") = "6"
    & skf21("4","2","1","1","6","7","5","1") = "6"
    & skf21("4","2","1","1","6","7","6","1") = "6"
    & skf21("4","2","1","1","6","7","7","1") = "6"
    & skf21("4","2","1","1","7","1","1","1") = "6"
    & skf21("4","2","1","1","7","1","2","1") = "6"
    & skf21("4","2","1","1","7","1","3","1") = "6"
    & skf21("4","2","1","1","7","1","4","1") = "6"
    & skf21("4","2","1","1","7","1","5","1") = "6"
    & skf21("4","2","1","1","7","1","6","1") = "6"
    & skf21("4","2","1","1","7","1","7","1") = "6"
    & skf21("4","2","1","1","7","2","1","1") = "6"
    & skf21("4","2","1","1","7","2","2","1") = "6"
    & skf21("4","2","1","1","7","2","3","1") = "6"
    & skf21("4","2","1","1","7","2","4","1") = "6"
    & skf21("4","2","1","1","7","2","5","1") = "6"
    & skf21("4","2","1","1","7","2","6","1") = "6"
    & skf21("4","2","1","1","7","2","7","1") = "6"
    & skf21("4","2","1","1","7","3","1","1") = "6"
    & skf21("4","2","1","1","7","3","2","1") = "6"
    & skf21("4","2","1","1","7","3","3","1") = "6"
    & skf21("4","2","1","1","7","3","4","1") = "6"
    & skf21("4","2","1","1","7","3","5","1") = "6"
    & skf21("4","2","1","1","7","3","6","1") = "6"
    & skf21("4","2","1","1","7","3","7","1") = "6"
    & skf21("4","2","1","1","7","4","1","1") = "6"
    & skf21("4","2","1","1","7","4","2","1") = "6"
    & skf21("4","2","1","1","7","4","3","1") = "6"
    & skf21("4","2","1","1","7","4","4","1") = "6"
    & skf21("4","2","1","1","7","4","5","1") = "6"
    & skf21("4","2","1","1","7","4","6","1") = "6"
    & skf21("4","2","1","1","7","4","7","1") = "6"
    & skf21("4","2","1","1","7","5","1","1") = "6"
    & skf21("4","2","1","1","7","5","2","1") = "6"
    & skf21("4","2","1","1","7","5","3","1") = "6"
    & skf21("4","2","1","1","7","5","4","1") = "6"
    & skf21("4","2","1","1","7","5","5","1") = "6"
    & skf21("4","2","1","1","7","5","6","1") = "6"
    & skf21("4","2","1","1","7","5","7","1") = "6"
    & skf21("4","2","1","1","7","6","1","1") = "6"
    & skf21("4","2","1","1","7","6","2","1") = "6"
    & skf21("4","2","1","1","7","6","3","1") = "6"
    & skf21("4","2","1","1","7","6","4","1") = "6"
    & skf21("4","2","1","1","7","6","5","1") = "6"
    & skf21("4","2","1","1","7","6","6","1") = "6"
    & skf21("4","2","1","1","7","6","7","1") = "6"
    & skf21("4","2","1","1","7","7","1","1") = "6"
    & skf21("4","2","1","1","7","7","2","1") = "6"
    & skf21("4","2","1","1","7","7","3","1") = "6"
    & skf21("4","2","1","1","7","7","4","1") = "6"
    & skf21("4","2","1","1","7","7","5","1") = "6"
    & skf21("4","2","1","1","7","7","6","1") = "6"
    & skf21("4","2","1","1","7","7","7","1") = "6"
    & skf21("4","2","1","2","1","1","1","1") = "3"
    & skf21("4","2","1","2","1","1","2","1") = "3"
    & skf21("4","2","1","2","1","1","3","1") = "3"
    & skf21("4","2","1","2","1","1","4","1") = "3"
    & skf21("4","2","1","2","1","1","5","1") = "4"
    & skf21("4","2","1","2","1","1","6","1") = "5"
    & skf21("4","2","1","2","1","1","7","1") = "6"
    & skf21("4","2","1","2","1","2","1","1") = "3"
    & skf21("4","2","1","2","1","2","2","1") = "3"
    & skf21("4","2","1","2","1","2","3","1") = "3"
    & skf21("4","2","1","2","1","2","4","1") = "3"
    & skf21("4","2","1","2","1","2","5","1") = "4"
    & skf21("4","2","1","2","1","2","6","1") = "5"
    & skf21("4","2","1","2","1","2","7","1") = "6"
    & skf21("4","2","1","2","1","3","1","1") = "3"
    & skf21("4","2","1","2","1","3","2","1") = "3"
    & skf21("4","2","1","2","1","3","3","1") = "3"
    & skf21("4","2","1","2","1","3","4","1") = "3"
    & skf21("4","2","1","2","1","3","5","1") = "4"
    & skf21("4","2","1","2","1","3","6","1") = "5"
    & skf21("4","2","1","2","1","3","7","1") = "6"
    & skf21("4","2","1","2","1","4","1","1") = "3"
    & skf21("4","2","1","2","1","4","2","1") = "3"
    & skf21("4","2","1","2","1","4","3","1") = "3"
    & skf21("4","2","1","2","1","4","4","1") = "3"
    & skf21("4","2","1","2","1","4","5","1") = "4"
    & skf21("4","2","1","2","1","4","6","1") = "5"
    & skf21("4","2","1","2","1","4","7","1") = "6"
    & skf21("4","2","1","2","1","5","1","1") = "4"
    & skf21("4","2","1","2","1","5","2","1") = "4"
    & skf21("4","2","1","2","1","5","3","1") = "4"
    & skf21("4","2","1","2","1","5","4","1") = "4"
    & skf21("4","2","1","2","1","5","5","1") = "4"
    & skf21("4","2","1","2","1","5","6","1") = "5"
    & skf21("4","2","1","2","1","5","7","1") = "6"
    & skf21("4","2","1","2","1","6","1","1") = "5"
    & skf21("4","2","1","2","1","6","2","1") = "5"
    & skf21("4","2","1","2","1","6","3","1") = "5"
    & skf21("4","2","1","2","1","6","4","1") = "5"
    & skf21("4","2","1","2","1","6","5","1") = "5"
    & skf21("4","2","1","2","1","6","6","1") = "5"
    & skf21("4","2","1","2","1","6","7","1") = "6"
    & skf21("4","2","1","2","1","7","1","1") = "6"
    & skf21("4","2","1","2","1","7","2","1") = "6"
    & skf21("4","2","1","2","1","7","3","1") = "6"
    & skf21("4","2","1","2","1","7","4","1") = "6"
    & skf21("4","2","1","2","1","7","5","1") = "6"
    & skf21("4","2","1","2","1","7","6","1") = "6"
    & skf21("4","2","1","2","1","7","7","1") = "6"
    & skf21("4","2","1","2","2","1","1","1") = "3"
    & skf21("4","2","1","2","2","1","2","1") = "3"
    & skf21("4","2","1","2","2","1","3","1") = "3"
    & skf21("4","2","1","2","2","1","4","1") = "3"
    & skf21("4","2","1","2","2","1","5","1") = "4"
    & skf21("4","2","1","2","2","1","6","1") = "5"
    & skf21("4","2","1","2","2","1","7","1") = "6"
    & skf21("4","2","1","2","2","2","1","1") = "3"
    & skf21("4","2","1","2","2","2","2","1") = "3"
    & skf21("4","2","1","2","2","2","3","1") = "3"
    & skf21("4","2","1","2","2","2","4","1") = "3"
    & skf21("4","2","1","2","2","2","5","1") = "4"
    & skf21("4","2","1","2","2","2","6","1") = "5"
    & skf21("4","2","1","2","2","2","7","1") = "6"
    & skf21("4","2","1","2","2","3","1","1") = "3"
    & skf21("4","2","1","2","2","3","2","1") = "3"
    & skf21("4","2","1","2","2","3","3","1") = "3"
    & skf21("4","2","1","2","2","3","4","1") = "3"
    & skf21("4","2","1","2","2","3","5","1") = "4"
    & skf21("4","2","1","2","2","3","6","1") = "5"
    & skf21("4","2","1","2","2","3","7","1") = "6"
    & skf21("4","2","1","2","2","4","1","1") = "3"
    & skf21("4","2","1","2","2","4","2","1") = "3"
    & skf21("4","2","1","2","2","4","3","1") = "3"
    & skf21("4","2","1","2","2","4","4","1") = "3"
    & skf21("4","2","1","2","2","4","5","1") = "4"
    & skf21("4","2","1","2","2","4","6","1") = "5"
    & skf21("4","2","1","2","2","4","7","1") = "6"
    & skf21("4","2","1","2","2","5","1","1") = "4"
    & skf21("4","2","1","2","2","5","2","1") = "4"
    & skf21("4","2","1","2","2","5","3","1") = "4"
    & skf21("4","2","1","2","2","5","4","1") = "4"
    & skf21("4","2","1","2","2","5","5","1") = "4"
    & skf21("4","2","1","2","2","5","6","1") = "5"
    & skf21("4","2","1","2","2","5","7","1") = "6"
    & skf21("4","2","1","2","2","6","1","1") = "5"
    & skf21("4","2","1","2","2","6","2","1") = "5"
    & skf21("4","2","1","2","2","6","3","1") = "5"
    & skf21("4","2","1","2","2","6","4","1") = "5"
    & skf21("4","2","1","2","2","6","5","1") = "5"
    & skf21("4","2","1","2","2","6","6","1") = "5"
    & skf21("4","2","1","2","2","6","7","1") = "6"
    & skf21("4","2","1","2","2","7","1","1") = "6"
    & skf21("4","2","1","2","2","7","2","1") = "6"
    & skf21("4","2","1","2","2","7","3","1") = "6"
    & skf21("4","2","1","2","2","7","4","1") = "6"
    & skf21("4","2","1","2","2","7","5","1") = "6"
    & skf21("4","2","1","2","2","7","6","1") = "6"
    & skf21("4","2","1","2","2","7","7","1") = "6"
    & skf21("4","2","1","2","3","1","1","1") = "3"
    & skf21("4","2","1","2","3","1","2","1") = "3"
    & skf21("4","2","1","2","3","1","3","1") = "3"
    & skf21("4","2","1","2","3","1","4","1") = "3"
    & skf21("4","2","1","2","3","1","5","1") = "4"
    & skf21("4","2","1","2","3","1","6","1") = "5"
    & skf21("4","2","1","2","3","1","7","1") = "6"
    & skf21("4","2","1","2","3","2","1","1") = "3"
    & skf21("4","2","1","2","3","2","2","1") = "3"
    & skf21("4","2","1","2","3","2","3","1") = "3"
    & skf21("4","2","1","2","3","2","4","1") = "3"
    & skf21("4","2","1","2","3","2","5","1") = "4"
    & skf21("4","2","1","2","3","2","6","1") = "5"
    & skf21("4","2","1","2","3","2","7","1") = "6"
    & skf21("4","2","1","2","3","3","1","1") = "3"
    & skf21("4","2","1","2","3","3","2","1") = "3"
    & skf21("4","2","1","2","3","3","3","1") = "3"
    & skf21("4","2","1","2","3","3","4","1") = "3"
    & skf21("4","2","1","2","3","3","5","1") = "4"
    & skf21("4","2","1","2","3","3","6","1") = "5"
    & skf21("4","2","1","2","3","3","7","1") = "6"
    & skf21("4","2","1","2","3","4","1","1") = "3"
    & skf21("4","2","1","2","3","4","2","1") = "3"
    & skf21("4","2","1","2","3","4","3","1") = "3"
    & skf21("4","2","1","2","3","4","4","1") = "3"
    & skf21("4","2","1","2","3","4","5","1") = "4"
    & skf21("4","2","1","2","3","4","6","1") = "5"
    & skf21("4","2","1","2","3","4","7","1") = "6"
    & skf21("4","2","1","2","3","5","1","1") = "4"
    & skf21("4","2","1","2","3","5","2","1") = "4"
    & skf21("4","2","1","2","3","5","3","1") = "4"
    & skf21("4","2","1","2","3","5","4","1") = "4"
    & skf21("4","2","1","2","3","5","5","1") = "4"
    & skf21("4","2","1","2","3","5","6","1") = "5"
    & skf21("4","2","1","2","3","5","7","1") = "6"
    & skf21("4","2","1","2","3","6","1","1") = "5"
    & skf21("4","2","1","2","3","6","2","1") = "5"
    & skf21("4","2","1","2","3","6","3","1") = "5"
    & skf21("4","2","1","2","3","6","4","1") = "5"
    & skf21("4","2","1","2","3","6","5","1") = "5"
    & skf21("4","2","1","2","3","6","6","1") = "5"
    & skf21("4","2","1","2","3","6","7","1") = "6"
    & skf21("4","2","1","2","3","7","1","1") = "6"
    & skf21("4","2","1","2","3","7","2","1") = "6"
    & skf21("4","2","1","2","3","7","3","1") = "6"
    & skf21("4","2","1","2","3","7","4","1") = "6"
    & skf21("4","2","1","2","3","7","5","1") = "6"
    & skf21("4","2","1","2","3","7","6","1") = "6"
    & skf21("4","2","1","2","3","7","7","1") = "6"
    & skf21("4","2","1","2","4","1","1","1") = "3"
    & skf21("4","2","1","2","4","1","2","1") = "3"
    & skf21("4","2","1","2","4","1","3","1") = "3"
    & skf21("4","2","1","2","4","1","4","1") = "3"
    & skf21("4","2","1","2","4","1","5","1") = "4"
    & skf21("4","2","1","2","4","1","6","1") = "5"
    & skf21("4","2","1","2","4","1","7","1") = "6"
    & skf21("4","2","1","2","4","2","1","1") = "3"
    & skf21("4","2","1","2","4","2","2","1") = "3"
    & skf21("4","2","1","2","4","2","3","1") = "3"
    & skf21("4","2","1","2","4","2","4","1") = "3"
    & skf21("4","2","1","2","4","2","5","1") = "4"
    & skf21("4","2","1","2","4","2","6","1") = "5"
    & skf21("4","2","1","2","4","2","7","1") = "6"
    & skf21("4","2","1","2","4","3","1","1") = "3"
    & skf21("4","2","1","2","4","3","2","1") = "3"
    & skf21("4","2","1","2","4","3","3","1") = "3"
    & skf21("4","2","1","2","4","3","4","1") = "3"
    & skf21("4","2","1","2","4","3","5","1") = "4"
    & skf21("4","2","1","2","4","3","6","1") = "5"
    & skf21("4","2","1","2","4","3","7","1") = "6"
    & skf21("4","2","1","2","4","4","1","1") = "3"
    & skf21("4","2","1","2","4","4","2","1") = "3"
    & skf21("4","2","1","2","4","4","3","1") = "3"
    & skf21("4","2","1","2","4","4","4","1") = "3"
    & skf21("4","2","1","2","4","4","5","1") = "4"
    & skf21("4","2","1","2","4","4","6","1") = "5"
    & skf21("4","2","1","2","4","4","7","1") = "6"
    & skf21("4","2","1","2","4","5","1","1") = "4"
    & skf21("4","2","1","2","4","5","2","1") = "4"
    & skf21("4","2","1","2","4","5","3","1") = "4"
    & skf21("4","2","1","2","4","5","4","1") = "4"
    & skf21("4","2","1","2","4","5","5","1") = "4"
    & skf21("4","2","1","2","4","5","6","1") = "5"
    & skf21("4","2","1","2","4","5","7","1") = "6"
    & skf21("4","2","1","2","4","6","1","1") = "5"
    & skf21("4","2","1","2","4","6","2","1") = "5"
    & skf21("4","2","1","2","4","6","3","1") = "5"
    & skf21("4","2","1","2","4","6","4","1") = "5"
    & skf21("4","2","1","2","4","6","5","1") = "5"
    & skf21("4","2","1","2","4","6","6","1") = "5"
    & skf21("4","2","1","2","4","6","7","1") = "6"
    & skf21("4","2","1","2","4","7","1","1") = "6"
    & skf21("4","2","1","2","4","7","2","1") = "6"
    & skf21("4","2","1","2","4","7","3","1") = "6"
    & skf21("4","2","1","2","4","7","4","1") = "6"
    & skf21("4","2","1","2","4","7","5","1") = "6"
    & skf21("4","2","1","2","4","7","6","1") = "6"
    & skf21("4","2","1","2","4","7","7","1") = "6"
    & skf21("4","2","1","2","5","1","1","1") = "4"
    & skf21("4","2","1","2","5","1","2","1") = "4"
    & skf21("4","2","1","2","5","1","3","1") = "4"
    & skf21("4","2","1","2","5","1","4","1") = "4"
    & skf21("4","2","1","2","5","1","5","1") = "4"
    & skf21("4","2","1","2","5","1","6","1") = "5"
    & skf21("4","2","1","2","5","1","7","1") = "6"
    & skf21("4","2","1","2","5","2","1","1") = "4"
    & skf21("4","2","1","2","5","2","2","1") = "4"
    & skf21("4","2","1","2","5","2","3","1") = "4"
    & skf21("4","2","1","2","5","2","4","1") = "4"
    & skf21("4","2","1","2","5","2","5","1") = "4"
    & skf21("4","2","1","2","5","2","6","1") = "5"
    & skf21("4","2","1","2","5","2","7","1") = "6"
    & skf21("4","2","1","2","5","3","1","1") = "4"
    & skf21("4","2","1","2","5","3","2","1") = "4"
    & skf21("4","2","1","2","5","3","3","1") = "4"
    & skf21("4","2","1","2","5","3","4","1") = "4"
    & skf21("4","2","1","2","5","3","5","1") = "4"
    & skf21("4","2","1","2","5","3","6","1") = "5"
    & skf21("4","2","1","2","5","3","7","1") = "6"
    & skf21("4","2","1","2","5","4","1","1") = "4"
    & skf21("4","2","1","2","5","4","2","1") = "4"
    & skf21("4","2","1","2","5","4","3","1") = "4"
    & skf21("4","2","1","2","5","4","4","1") = "4"
    & skf21("4","2","1","2","5","4","5","1") = "4"
    & skf21("4","2","1","2","5","4","6","1") = "5"
    & skf21("4","2","1","2","5","4","7","1") = "6"
    & skf21("4","2","1","2","5","5","1","1") = "4"
    & skf21("4","2","1","2","5","5","2","1") = "4"
    & skf21("4","2","1","2","5","5","3","1") = "4"
    & skf21("4","2","1","2","5","5","4","1") = "4"
    & skf21("4","2","1","2","5","5","5","1") = "4"
    & skf21("4","2","1","2","5","5","6","1") = "5"
    & skf21("4","2","1","2","5","5","7","1") = "6"
    & skf21("4","2","1","2","5","6","1","1") = "5"
    & skf21("4","2","1","2","5","6","2","1") = "5"
    & skf21("4","2","1","2","5","6","3","1") = "5"
    & skf21("4","2","1","2","5","6","4","1") = "5"
    & skf21("4","2","1","2","5","6","5","1") = "5"
    & skf21("4","2","1","2","5","6","6","1") = "5"
    & skf21("4","2","1","2","5","6","7","1") = "6"
    & skf21("4","2","1","2","5","7","1","1") = "6"
    & skf21("4","2","1","2","5","7","2","1") = "6"
    & skf21("4","2","1","2","5","7","3","1") = "6"
    & skf21("4","2","1","2","5","7","4","1") = "6"
    & skf21("4","2","1","2","5","7","5","1") = "6"
    & skf21("4","2","1","2","5","7","6","1") = "6"
    & skf21("4","2","1","2","5","7","7","1") = "6"
    & skf21("4","2","1","2","6","1","1","1") = "5"
    & skf21("4","2","1","2","6","1","2","1") = "5"
    & skf21("4","2","1","2","6","1","3","1") = "5"
    & skf21("4","2","1","2","6","1","4","1") = "5"
    & skf21("4","2","1","2","6","1","5","1") = "5"
    & skf21("4","2","1","2","6","1","6","1") = "5"
    & skf21("4","2","1","2","6","1","7","1") = "6"
    & skf21("4","2","1","2","6","2","1","1") = "5"
    & skf21("4","2","1","2","6","2","2","1") = "5"
    & skf21("4","2","1","2","6","2","3","1") = "5"
    & skf21("4","2","1","2","6","2","4","1") = "5"
    & skf21("4","2","1","2","6","2","5","1") = "5"
    & skf21("4","2","1","2","6","2","6","1") = "5"
    & skf21("4","2","1","2","6","2","7","1") = "6"
    & skf21("4","2","1","2","6","3","1","1") = "5"
    & skf21("4","2","1","2","6","3","2","1") = "5"
    & skf21("4","2","1","2","6","3","3","1") = "5"
    & skf21("4","2","1","2","6","3","4","1") = "5"
    & skf21("4","2","1","2","6","3","5","1") = "5"
    & skf21("4","2","1","2","6","3","6","1") = "5"
    & skf21("4","2","1","2","6","3","7","1") = "6"
    & skf21("4","2","1","2","6","4","1","1") = "5"
    & skf21("4","2","1","2","6","4","2","1") = "5"
    & skf21("4","2","1","2","6","4","3","1") = "5"
    & skf21("4","2","1","2","6","4","4","1") = "5"
    & skf21("4","2","1","2","6","4","5","1") = "5"
    & skf21("4","2","1","2","6","4","6","1") = "5"
    & skf21("4","2","1","2","6","4","7","1") = "6"
    & skf21("4","2","1","2","6","5","1","1") = "5"
    & skf21("4","2","1","2","6","5","2","1") = "5"
    & skf21("4","2","1","2","6","5","3","1") = "5"
    & skf21("4","2","1","2","6","5","4","1") = "5"
    & skf21("4","2","1","2","6","5","5","1") = "5"
    & skf21("4","2","1","2","6","5","6","1") = "5"
    & skf21("4","2","1","2","6","5","7","1") = "6"
    & skf21("4","2","1","2","6","6","1","1") = "5"
    & skf21("4","2","1","2","6","6","2","1") = "5"
    & skf21("4","2","1","2","6","6","3","1") = "5"
    & skf21("4","2","1","2","6","6","4","1") = "5"
    & skf21("4","2","1","2","6","6","5","1") = "5"
    & skf21("4","2","1","2","6","6","6","1") = "5"
    & skf21("4","2","1","2","6","6","7","1") = "6"
    & skf21("4","2","1","2","6","7","1","1") = "6"
    & skf21("4","2","1","2","6","7","2","1") = "6"
    & skf21("4","2","1","2","6","7","3","1") = "6"
    & skf21("4","2","1","2","6","7","4","1") = "6"
    & skf21("4","2","1","2","6","7","5","1") = "6"
    & skf21("4","2","1","2","6","7","6","1") = "6"
    & skf21("4","2","1","2","6","7","7","1") = "6"
    & skf21("4","2","1","2","7","1","1","1") = "6"
    & skf21("4","2","1","2","7","1","2","1") = "6"
    & skf21("4","2","1","2","7","1","3","1") = "6"
    & skf21("4","2","1","2","7","1","4","1") = "6"
    & skf21("4","2","1","2","7","1","5","1") = "6"
    & skf21("4","2","1","2","7","1","6","1") = "6"
    & skf21("4","2","1","2","7","1","7","1") = "6"
    & skf21("4","2","1","2","7","2","1","1") = "6"
    & skf21("4","2","1","2","7","2","2","1") = "6"
    & skf21("4","2","1","2","7","2","3","1") = "6"
    & skf21("4","2","1","2","7","2","4","1") = "6"
    & skf21("4","2","1","2","7","2","5","1") = "6"
    & skf21("4","2","1","2","7","2","6","1") = "6"
    & skf21("4","2","1","2","7","2","7","1") = "6"
    & skf21("4","2","1","2","7","3","1","1") = "6"
    & skf21("4","2","1","2","7","3","2","1") = "6"
    & skf21("4","2","1","2","7","3","3","1") = "6"
    & skf21("4","2","1","2","7","3","4","1") = "6"
    & skf21("4","2","1","2","7","3","5","1") = "6"
    & skf21("4","2","1","2","7","3","6","1") = "6"
    & skf21("4","2","1","2","7","3","7","1") = "6"
    & skf21("4","2","1","2","7","4","1","1") = "6"
    & skf21("4","2","1","2","7","4","2","1") = "6"
    & skf21("4","2","1","2","7","4","3","1") = "6"
    & skf21("4","2","1","2","7","4","4","1") = "6"
    & skf21("4","2","1","2","7","4","5","1") = "6"
    & skf21("4","2","1","2","7","4","6","1") = "6"
    & skf21("4","2","1","2","7","4","7","1") = "6"
    & skf21("4","2","1","2","7","5","1","1") = "6"
    & skf21("4","2","1","2","7","5","2","1") = "6"
    & skf21("4","2","1","2","7","5","3","1") = "6"
    & skf21("4","2","1","2","7","5","4","1") = "6"
    & skf21("4","2","1","2","7","5","5","1") = "6"
    & skf21("4","2","1","2","7","5","6","1") = "6"
    & skf21("4","2","1","2","7","5","7","1") = "6"
    & skf21("4","2","1","2","7","6","1","1") = "6"
    & skf21("4","2","1","2","7","6","2","1") = "6"
    & skf21("4","2","1","2","7","6","3","1") = "6"
    & skf21("4","2","1","2","7","6","4","1") = "6"
    & skf21("4","2","1","2","7","6","5","1") = "6"
    & skf21("4","2","1","2","7","6","6","1") = "6"
    & skf21("4","2","1","2","7","6","7","1") = "6"
    & skf21("4","2","1","2","7","7","1","1") = "6"
    & skf21("4","2","1","2","7","7","2","1") = "6"
    & skf21("4","2","1","2","7","7","3","1") = "6"
    & skf21("4","2","1","2","7","7","4","1") = "6"
    & skf21("4","2","1","2","7","7","5","1") = "6"
    & skf21("4","2","1","2","7","7","6","1") = "6"
    & skf21("4","2","1","2","7","7","7","1") = "6"
    & skf21("4","2","1","3","1","1","1","1") = "3"
    & skf21("4","2","1","3","1","1","2","1") = "3"
    & skf21("4","2","1","3","1","1","3","1") = "3"
    & skf21("4","2","1","3","1","1","4","1") = "3"
    & skf21("4","2","1","3","1","1","5","1") = "4"
    & skf21("4","2","1","3","1","1","6","1") = "5"
    & skf21("4","2","1","3","1","1","7","1") = "6"
    & skf21("4","2","1","3","1","2","1","1") = "3"
    & skf21("4","2","1","3","1","2","2","1") = "3"
    & skf21("4","2","1","3","1","2","3","1") = "3"
    & skf21("4","2","1","3","1","2","4","1") = "3"
    & skf21("4","2","1","3","1","2","5","1") = "4"
    & skf21("4","2","1","3","1","2","6","1") = "5"
    & skf21("4","2","1","3","1","2","7","1") = "6"
    & skf21("4","2","1","3","1","3","1","1") = "3"
    & skf21("4","2","1","3","1","3","2","1") = "3"
    & skf21("4","2","1","3","1","3","3","1") = "3"
    & skf21("4","2","1","3","1","3","4","1") = "3"
    & skf21("4","2","1","3","1","3","5","1") = "4"
    & skf21("4","2","1","3","1","3","6","1") = "5"
    & skf21("4","2","1","3","1","3","7","1") = "6"
    & skf21("4","2","1","3","1","4","1","1") = "3"
    & skf21("4","2","1","3","1","4","2","1") = "3"
    & skf21("4","2","1","3","1","4","3","1") = "3"
    & skf21("4","2","1","3","1","4","4","1") = "3"
    & skf21("4","2","1","3","1","4","5","1") = "4"
    & skf21("4","2","1","3","1","4","6","1") = "5"
    & skf21("4","2","1","3","1","4","7","1") = "6"
    & skf21("4","2","1","3","1","5","1","1") = "4"
    & skf21("4","2","1","3","1","5","2","1") = "4"
    & skf21("4","2","1","3","1","5","3","1") = "4"
    & skf21("4","2","1","3","1","5","4","1") = "4"
    & skf21("4","2","1","3","1","5","5","1") = "4"
    & skf21("4","2","1","3","1","5","6","1") = "5"
    & skf21("4","2","1","3","1","5","7","1") = "6"
    & skf21("4","2","1","3","1","6","1","1") = "5"
    & skf21("4","2","1","3","1","6","2","1") = "5"
    & skf21("4","2","1","3","1","6","3","1") = "5"
    & skf21("4","2","1","3","1","6","4","1") = "5"
    & skf21("4","2","1","3","1","6","5","1") = "5"
    & skf21("4","2","1","3","1","6","6","1") = "5"
    & skf21("4","2","1","3","1","6","7","1") = "6"
    & skf21("4","2","1","3","1","7","1","1") = "6"
    & skf21("4","2","1","3","1","7","2","1") = "6"
    & skf21("4","2","1","3","1","7","3","1") = "6"
    & skf21("4","2","1","3","1","7","4","1") = "6"
    & skf21("4","2","1","3","1","7","5","1") = "6"
    & skf21("4","2","1","3","1","7","6","1") = "6"
    & skf21("4","2","1","3","1","7","7","1") = "6"
    & skf21("4","2","1","3","2","1","1","1") = "3"
    & skf21("4","2","1","3","2","1","2","1") = "3"
    & skf21("4","2","1","3","2","1","3","1") = "3"
    & skf21("4","2","1","3","2","1","4","1") = "3"
    & skf21("4","2","1","3","2","1","5","1") = "4"
    & skf21("4","2","1","3","2","1","6","1") = "5"
    & skf21("4","2","1","3","2","1","7","1") = "6"
    & skf21("4","2","1","3","2","2","1","1") = "3"
    & skf21("4","2","1","3","2","2","2","1") = "3"
    & skf21("4","2","1","3","2","2","3","1") = "3"
    & skf21("4","2","1","3","2","2","4","1") = "3"
    & skf21("4","2","1","3","2","2","5","1") = "4"
    & skf21("4","2","1","3","2","2","6","1") = "5"
    & skf21("4","2","1","3","2","2","7","1") = "6"
    & skf21("4","2","1","3","2","3","1","1") = "3"
    & skf21("4","2","1","3","2","3","2","1") = "3"
    & skf21("4","2","1","3","2","3","3","1") = "3"
    & skf21("4","2","1","3","2","3","4","1") = "3"
    & skf21("4","2","1","3","2","3","5","1") = "4"
    & skf21("4","2","1","3","2","3","6","1") = "5"
    & skf21("4","2","1","3","2","3","7","1") = "6"
    & skf21("4","2","1","3","2","4","1","1") = "3"
    & skf21("4","2","1","3","2","4","2","1") = "3"
    & skf21("4","2","1","3","2","4","3","1") = "3"
    & skf21("4","2","1","3","2","4","4","1") = "3"
    & skf21("4","2","1","3","2","4","5","1") = "4"
    & skf21("4","2","1","3","2","4","6","1") = "5"
    & skf21("4","2","1","3","2","4","7","1") = "6"
    & skf21("4","2","1","3","2","5","1","1") = "4"
    & skf21("4","2","1","3","2","5","2","1") = "4"
    & skf21("4","2","1","3","2","5","3","1") = "4"
    & skf21("4","2","1","3","2","5","4","1") = "4"
    & skf21("4","2","1","3","2","5","5","1") = "4"
    & skf21("4","2","1","3","2","5","6","1") = "5"
    & skf21("4","2","1","3","2","5","7","1") = "6"
    & skf21("4","2","1","3","2","6","1","1") = "5"
    & skf21("4","2","1","3","2","6","2","1") = "5"
    & skf21("4","2","1","3","2","6","3","1") = "5"
    & skf21("4","2","1","3","2","6","4","1") = "5"
    & skf21("4","2","1","3","2","6","5","1") = "5"
    & skf21("4","2","1","3","2","6","6","1") = "5"
    & skf21("4","2","1","3","2","6","7","1") = "6"
    & skf21("4","2","1","3","2","7","1","1") = "6"
    & skf21("4","2","1","3","2","7","2","1") = "6"
    & skf21("4","2","1","3","2","7","3","1") = "6"
    & skf21("4","2","1","3","2","7","4","1") = "6"
    & skf21("4","2","1","3","2","7","5","1") = "6"
    & skf21("4","2","1","3","2","7","6","1") = "6"
    & skf21("4","2","1","3","2","7","7","1") = "6"
    & skf21("4","2","1","3","3","1","1","1") = "3"
    & skf21("4","2","1","3","3","1","2","1") = "3"
    & skf21("4","2","1","3","3","1","3","1") = "3"
    & skf21("4","2","1","3","3","1","4","1") = "3"
    & skf21("4","2","1","3","3","1","5","1") = "4"
    & skf21("4","2","1","3","3","1","6","1") = "5"
    & skf21("4","2","1","3","3","1","7","1") = "6"
    & skf21("4","2","1","3","3","2","1","1") = "3"
    & skf21("4","2","1","3","3","2","2","1") = "3"
    & skf21("4","2","1","3","3","2","3","1") = "3"
    & skf21("4","2","1","3","3","2","4","1") = "3"
    & skf21("4","2","1","3","3","2","5","1") = "4"
    & skf21("4","2","1","3","3","2","6","1") = "5"
    & skf21("4","2","1","3","3","2","7","1") = "6"
    & skf21("4","2","1","3","3","3","1","1") = "3"
    & skf21("4","2","1","3","3","3","2","1") = "3"
    & skf21("4","2","1","3","3","3","3","1") = "3"
    & skf21("4","2","1","3","3","3","4","1") = "3"
    & skf21("4","2","1","3","3","3","5","1") = "4"
    & skf21("4","2","1","3","3","3","6","1") = "5"
    & skf21("4","2","1","3","3","3","7","1") = "6"
    & skf21("4","2","1","3","3","4","1","1") = "3"
    & skf21("4","2","1","3","3","4","2","1") = "3"
    & skf21("4","2","1","3","3","4","3","1") = "3"
    & skf21("4","2","1","3","3","4","4","1") = "3"
    & skf21("4","2","1","3","3","4","5","1") = "4"
    & skf21("4","2","1","3","3","4","6","1") = "5"
    & skf21("4","2","1","3","3","4","7","1") = "6"
    & skf21("4","2","1","3","3","5","1","1") = "4"
    & skf21("4","2","1","3","3","5","2","1") = "4"
    & skf21("4","2","1","3","3","5","3","1") = "4"
    & skf21("4","2","1","3","3","5","4","1") = "4"
    & skf21("4","2","1","3","3","5","5","1") = "4"
    & skf21("4","2","1","3","3","5","6","1") = "5"
    & skf21("4","2","1","3","3","5","7","1") = "6"
    & skf21("4","2","1","3","3","6","1","1") = "5"
    & skf21("4","2","1","3","3","6","2","1") = "5"
    & skf21("4","2","1","3","3","6","3","1") = "5"
    & skf21("4","2","1","3","3","6","4","1") = "5"
    & skf21("4","2","1","3","3","6","5","1") = "5"
    & skf21("4","2","1","3","3","6","6","1") = "5"
    & skf21("4","2","1","3","3","6","7","1") = "6"
    & skf21("4","2","1","3","3","7","1","1") = "6"
    & skf21("4","2","1","3","3","7","2","1") = "6"
    & skf21("4","2","1","3","3","7","3","1") = "6"
    & skf21("4","2","1","3","3","7","4","1") = "6"
    & skf21("4","2","1","3","3","7","5","1") = "6"
    & skf21("4","2","1","3","3","7","6","1") = "6"
    & skf21("4","2","1","3","3","7","7","1") = "6"
    & skf21("4","2","1","3","4","1","1","1") = "3"
    & skf21("4","2","1","3","4","1","2","1") = "3"
    & skf21("4","2","1","3","4","1","3","1") = "3"
    & skf21("4","2","1","3","4","1","4","1") = "3"
    & skf21("4","2","1","3","4","1","5","1") = "4"
    & skf21("4","2","1","3","4","1","6","1") = "5"
    & skf21("4","2","1","3","4","1","7","1") = "6"
    & skf21("4","2","1","3","4","2","1","1") = "3"
    & skf21("4","2","1","3","4","2","2","1") = "3"
    & skf21("4","2","1","3","4","2","3","1") = "3"
    & skf21("4","2","1","3","4","2","4","1") = "3"
    & skf21("4","2","1","3","4","2","5","1") = "4"
    & skf21("4","2","1","3","4","2","6","1") = "5"
    & skf21("4","2","1","3","4","2","7","1") = "6"
    & skf21("4","2","1","3","4","3","1","1") = "3"
    & skf21("4","2","1","3","4","3","2","1") = "3"
    & skf21("4","2","1","3","4","3","3","1") = "3"
    & skf21("4","2","1","3","4","3","4","1") = "3"
    & skf21("4","2","1","3","4","3","5","1") = "4"
    & skf21("4","2","1","3","4","3","6","1") = "5"
    & skf21("4","2","1","3","4","3","7","1") = "6"
    & skf21("4","2","1","3","4","4","1","1") = "3"
    & skf21("4","2","1","3","4","4","2","1") = "3"
    & skf21("4","2","1","3","4","4","3","1") = "3"
    & skf21("4","2","1","3","4","4","4","1") = "3"
    & skf21("4","2","1","3","4","4","5","1") = "4"
    & skf21("4","2","1","3","4","4","6","1") = "5"
    & skf21("4","2","1","3","4","4","7","1") = "6"
    & skf21("4","2","1","3","4","5","1","1") = "4"
    & skf21("4","2","1","3","4","5","2","1") = "4"
    & skf21("4","2","1","3","4","5","3","1") = "4"
    & skf21("4","2","1","3","4","5","4","1") = "4"
    & skf21("4","2","1","3","4","5","5","1") = "4"
    & skf21("4","2","1","3","4","5","6","1") = "5"
    & skf21("4","2","1","3","4","5","7","1") = "6"
    & skf21("4","2","1","3","4","6","1","1") = "5"
    & skf21("4","2","1","3","4","6","2","1") = "5"
    & skf21("4","2","1","3","4","6","3","1") = "5"
    & skf21("4","2","1","3","4","6","4","1") = "5"
    & skf21("4","2","1","3","4","6","5","1") = "5"
    & skf21("4","2","1","3","4","6","6","1") = "5"
    & skf21("4","2","1","3","4","6","7","1") = "6"
    & skf21("4","2","1","3","4","7","1","1") = "6"
    & skf21("4","2","1","3","4","7","2","1") = "6"
    & skf21("4","2","1","3","4","7","3","1") = "6"
    & skf21("4","2","1","3","4","7","4","1") = "6"
    & skf21("4","2","1","3","4","7","5","1") = "6"
    & skf21("4","2","1","3","4","7","6","1") = "6"
    & skf21("4","2","1","3","4","7","7","1") = "6"
    & skf21("4","2","1","3","5","1","1","1") = "4"
    & skf21("4","2","1","3","5","1","2","1") = "4"
    & skf21("4","2","1","3","5","1","3","1") = "4"
    & skf21("4","2","1","3","5","1","4","1") = "4"
    & skf21("4","2","1","3","5","1","5","1") = "4"
    & skf21("4","2","1","3","5","1","6","1") = "5"
    & skf21("4","2","1","3","5","1","7","1") = "6"
    & skf21("4","2","1","3","5","2","1","1") = "4"
    & skf21("4","2","1","3","5","2","2","1") = "4"
    & skf21("4","2","1","3","5","2","3","1") = "4"
    & skf21("4","2","1","3","5","2","4","1") = "4"
    & skf21("4","2","1","3","5","2","5","1") = "4"
    & skf21("4","2","1","3","5","2","6","1") = "5"
    & skf21("4","2","1","3","5","2","7","1") = "6"
    & skf21("4","2","1","3","5","3","1","1") = "4"
    & skf21("4","2","1","3","5","3","2","1") = "4"
    & skf21("4","2","1","3","5","3","3","1") = "4"
    & skf21("4","2","1","3","5","3","4","1") = "4"
    & skf21("4","2","1","3","5","3","5","1") = "4"
    & skf21("4","2","1","3","5","3","6","1") = "5"
    & skf21("4","2","1","3","5","3","7","1") = "6"
    & skf21("4","2","1","3","5","4","1","1") = "4"
    & skf21("4","2","1","3","5","4","2","1") = "4"
    & skf21("4","2","1","3","5","4","3","1") = "4"
    & skf21("4","2","1","3","5","4","4","1") = "4"
    & skf21("4","2","1","3","5","4","5","1") = "4"
    & skf21("4","2","1","3","5","4","6","1") = "5"
    & skf21("4","2","1","3","5","4","7","1") = "6"
    & skf21("4","2","1","3","5","5","1","1") = "4"
    & skf21("4","2","1","3","5","5","2","1") = "4"
    & skf21("4","2","1","3","5","5","3","1") = "4"
    & skf21("4","2","1","3","5","5","4","1") = "4"
    & skf21("4","2","1","3","5","5","5","1") = "4"
    & skf21("4","2","1","3","5","5","6","1") = "5"
    & skf21("4","2","1","3","5","5","7","1") = "6"
    & skf21("4","2","1","3","5","6","1","1") = "5"
    & skf21("4","2","1","3","5","6","2","1") = "5"
    & skf21("4","2","1","3","5","6","3","1") = "5"
    & skf21("4","2","1","3","5","6","4","1") = "5"
    & skf21("4","2","1","3","5","6","5","1") = "5"
    & skf21("4","2","1","3","5","6","6","1") = "5"
    & skf21("4","2","1","3","5","6","7","1") = "6"
    & skf21("4","2","1","3","5","7","1","1") = "6"
    & skf21("4","2","1","3","5","7","2","1") = "6"
    & skf21("4","2","1","3","5","7","3","1") = "6"
    & skf21("4","2","1","3","5","7","4","1") = "6"
    & skf21("4","2","1","3","5","7","5","1") = "6"
    & skf21("4","2","1","3","5","7","6","1") = "6"
    & skf21("4","2","1","3","5","7","7","1") = "6"
    & skf21("4","2","1","3","6","1","1","1") = "5"
    & skf21("4","2","1","3","6","1","2","1") = "5"
    & skf21("4","2","1","3","6","1","3","1") = "5"
    & skf21("4","2","1","3","6","1","4","1") = "5"
    & skf21("4","2","1","3","6","1","5","1") = "5"
    & skf21("4","2","1","3","6","1","6","1") = "5"
    & skf21("4","2","1","3","6","1","7","1") = "6"
    & skf21("4","2","1","3","6","2","1","1") = "5"
    & skf21("4","2","1","3","6","2","2","1") = "5"
    & skf21("4","2","1","3","6","2","3","1") = "5"
    & skf21("4","2","1","3","6","2","4","1") = "5"
    & skf21("4","2","1","3","6","2","5","1") = "5"
    & skf21("4","2","1","3","6","2","6","1") = "5"
    & skf21("4","2","1","3","6","2","7","1") = "6"
    & skf21("4","2","1","3","6","3","1","1") = "5"
    & skf21("4","2","1","3","6","3","2","1") = "5"
    & skf21("4","2","1","3","6","3","3","1") = "5"
    & skf21("4","2","1","3","6","3","4","1") = "5"
    & skf21("4","2","1","3","6","3","5","1") = "5"
    & skf21("4","2","1","3","6","3","6","1") = "5"
    & skf21("4","2","1","3","6","3","7","1") = "6"
    & skf21("4","2","1","3","6","4","1","1") = "5"
    & skf21("4","2","1","3","6","4","2","1") = "5"
    & skf21("4","2","1","3","6","4","3","1") = "5"
    & skf21("4","2","1","3","6","4","4","1") = "5"
    & skf21("4","2","1","3","6","4","5","1") = "5"
    & skf21("4","2","1","3","6","4","6","1") = "5"
    & skf21("4","2","1","3","6","4","7","1") = "6"
    & skf21("4","2","1","3","6","5","1","1") = "5"
    & skf21("4","2","1","3","6","5","2","1") = "5"
    & skf21("4","2","1","3","6","5","3","1") = "5"
    & skf21("4","2","1","3","6","5","4","1") = "5"
    & skf21("4","2","1","3","6","5","5","1") = "5"
    & skf21("4","2","1","3","6","5","6","1") = "5"
    & skf21("4","2","1","3","6","5","7","1") = "6"
    & skf21("4","2","1","3","6","6","1","1") = "5"
    & skf21("4","2","1","3","6","6","2","1") = "5"
    & skf21("4","2","1","3","6","6","3","1") = "5"
    & skf21("4","2","1","3","6","6","4","1") = "5"
    & skf21("4","2","1","3","6","6","5","1") = "5"
    & skf21("4","2","1","3","6","6","6","1") = "5"
    & skf21("4","2","1","3","6","6","7","1") = "6"
    & skf21("4","2","1","3","6","7","1","1") = "6"
    & skf21("4","2","1","3","6","7","2","1") = "6"
    & skf21("4","2","1","3","6","7","3","1") = "6"
    & skf21("4","2","1","3","6","7","4","1") = "6"
    & skf21("4","2","1","3","6","7","5","1") = "6"
    & skf21("4","2","1","3","6","7","6","1") = "6"
    & skf21("4","2","1","3","6","7","7","1") = "6"
    & skf21("4","2","1","3","7","1","1","1") = "6"
    & skf21("4","2","1","3","7","1","2","1") = "6"
    & skf21("4","2","1","3","7","1","3","1") = "6"
    & skf21("4","2","1","3","7","1","4","1") = "6"
    & skf21("4","2","1","3","7","1","5","1") = "6"
    & skf21("4","2","1","3","7","1","6","1") = "6"
    & skf21("4","2","1","3","7","1","7","1") = "6"
    & skf21("4","2","1","3","7","2","1","1") = "6"
    & skf21("4","2","1","3","7","2","2","1") = "6"
    & skf21("4","2","1","3","7","2","3","1") = "6"
    & skf21("4","2","1","3","7","2","4","1") = "6"
    & skf21("4","2","1","3","7","2","5","1") = "6"
    & skf21("4","2","1","3","7","2","6","1") = "6"
    & skf21("4","2","1","3","7","2","7","1") = "6"
    & skf21("4","2","1","3","7","3","1","1") = "6"
    & skf21("4","2","1","3","7","3","2","1") = "6"
    & skf21("4","2","1","3","7","3","3","1") = "6"
    & skf21("4","2","1","3","7","3","4","1") = "6"
    & skf21("4","2","1","3","7","3","5","1") = "6"
    & skf21("4","2","1","3","7","3","6","1") = "6"
    & skf21("4","2","1","3","7","3","7","1") = "6"
    & skf21("4","2","1","3","7","4","1","1") = "6"
    & skf21("4","2","1","3","7","4","2","1") = "6"
    & skf21("4","2","1","3","7","4","3","1") = "6"
    & skf21("4","2","1","3","7","4","4","1") = "6"
    & skf21("4","2","1","3","7","4","5","1") = "6"
    & skf21("4","2","1","3","7","4","6","1") = "6"
    & skf21("4","2","1","3","7","4","7","1") = "6"
    & skf21("4","2","1","3","7","5","1","1") = "6"
    & skf21("4","2","1","3","7","5","2","1") = "6"
    & skf21("4","2","1","3","7","5","3","1") = "6"
    & skf21("4","2","1","3","7","5","4","1") = "6"
    & skf21("4","2","1","3","7","5","5","1") = "6"
    & skf21("4","2","1","3","7","5","6","1") = "6"
    & skf21("4","2","1","3","7","5","7","1") = "6"
    & skf21("4","2","1","3","7","6","1","1") = "6"
    & skf21("4","2","1","3","7","6","2","1") = "6"
    & skf21("4","2","1","3","7","6","3","1") = "6"
    & skf21("4","2","1","3","7","6","4","1") = "6"
    & skf21("4","2","1","3","7","6","5","1") = "6"
    & skf21("4","2","1","3","7","6","6","1") = "6"
    & skf21("4","2","1","3","7","6","7","1") = "6"
    & skf21("4","2","1","3","7","7","1","1") = "6"
    & skf21("4","2","1","3","7","7","2","1") = "6"
    & skf21("4","2","1","3","7","7","3","1") = "6"
    & skf21("4","2","1","3","7","7","4","1") = "6"
    & skf21("4","2","1","3","7","7","5","1") = "6"
    & skf21("4","2","1","3","7","7","6","1") = "6"
    & skf21("4","2","1","3","7","7","7","1") = "6"
    & skf21("4","2","1","4","1","1","1","1") = "3"
    & skf21("4","2","1","4","1","1","2","1") = "3"
    & skf21("4","2","1","4","1","1","3","1") = "3"
    & skf21("4","2","1","4","1","1","4","1") = "3"
    & skf21("4","2","1","4","1","1","5","1") = "4"
    & skf21("4","2","1","4","1","1","6","1") = "5"
    & skf21("4","2","1","4","1","1","7","1") = "6"
    & skf21("4","2","1","4","1","2","1","1") = "3"
    & skf21("4","2","1","4","1","2","2","1") = "3"
    & skf21("4","2","1","4","1","2","3","1") = "3"
    & skf21("4","2","1","4","1","2","4","1") = "3"
    & skf21("4","2","1","4","1","2","5","1") = "4"
    & skf21("4","2","1","4","1","2","6","1") = "5"
    & skf21("4","2","1","4","1","2","7","1") = "6"
    & skf21("4","2","1","4","1","3","1","1") = "3"
    & skf21("4","2","1","4","1","3","2","1") = "3"
    & skf21("4","2","1","4","1","3","3","1") = "3"
    & skf21("4","2","1","4","1","3","4","1") = "3"
    & skf21("4","2","1","4","1","3","5","1") = "4"
    & skf21("4","2","1","4","1","3","6","1") = "5"
    & skf21("4","2","1","4","1","3","7","1") = "6"
    & skf21("4","2","1","4","1","4","1","1") = "3"
    & skf21("4","2","1","4","1","4","2","1") = "3"
    & skf21("4","2","1","4","1","4","3","1") = "3"
    & skf21("4","2","1","4","1","4","4","1") = "3"
    & skf21("4","2","1","4","1","4","5","1") = "4"
    & skf21("4","2","1","4","1","4","6","1") = "5"
    & skf21("4","2","1","4","1","4","7","1") = "6"
    & skf21("4","2","1","4","1","5","1","1") = "4"
    & skf21("4","2","1","4","1","5","2","1") = "4"
    & skf21("4","2","1","4","1","5","3","1") = "4"
    & skf21("4","2","1","4","1","5","4","1") = "4"
    & skf21("4","2","1","4","1","5","5","1") = "4"
    & skf21("4","2","1","4","1","5","6","1") = "5"
    & skf21("4","2","1","4","1","5","7","1") = "6"
    & skf21("4","2","1","4","1","6","1","1") = "5"
    & skf21("4","2","1","4","1","6","2","1") = "5"
    & skf21("4","2","1","4","1","6","3","1") = "5"
    & skf21("4","2","1","4","1","6","4","1") = "5"
    & skf21("4","2","1","4","1","6","5","1") = "5"
    & skf21("4","2","1","4","1","6","6","1") = "5"
    & skf21("4","2","1","4","1","6","7","1") = "6"
    & skf21("4","2","1","4","1","7","1","1") = "6"
    & skf21("4","2","1","4","1","7","2","1") = "6"
    & skf21("4","2","1","4","1","7","3","1") = "6"
    & skf21("4","2","1","4","1","7","4","1") = "6"
    & skf21("4","2","1","4","1","7","5","1") = "6"
    & skf21("4","2","1","4","1","7","6","1") = "6"
    & skf21("4","2","1","4","1","7","7","1") = "6"
    & skf21("4","2","1","4","2","1","1","1") = "3"
    & skf21("4","2","1","4","2","1","2","1") = "3"
    & skf21("4","2","1","4","2","1","3","1") = "3"
    & skf21("4","2","1","4","2","1","4","1") = "3"
    & skf21("4","2","1","4","2","1","5","1") = "4"
    & skf21("4","2","1","4","2","1","6","1") = "5"
    & skf21("4","2","1","4","2","1","7","1") = "6"
    & skf21("4","2","1","4","2","2","1","1") = "3"
    & skf21("4","2","1","4","2","2","2","1") = "3"
    & skf21("4","2","1","4","2","2","3","1") = "3"
    & skf21("4","2","1","4","2","2","4","1") = "3"
    & skf21("4","2","1","4","2","2","5","1") = "4"
    & skf21("4","2","1","4","2","2","6","1") = "5"
    & skf21("4","2","1","4","2","2","7","1") = "6"
    & skf21("4","2","1","4","2","3","1","1") = "3"
    & skf21("4","2","1","4","2","3","2","1") = "3"
    & skf21("4","2","1","4","2","3","3","1") = "3"
    & skf21("4","2","1","4","2","3","4","1") = "3"
    & skf21("4","2","1","4","2","3","5","1") = "4"
    & skf21("4","2","1","4","2","3","6","1") = "5"
    & skf21("4","2","1","4","2","3","7","1") = "6"
    & skf21("4","2","1","4","2","4","1","1") = "3"
    & skf21("4","2","1","4","2","4","2","1") = "3"
    & skf21("4","2","1","4","2","4","3","1") = "3"
    & skf21("4","2","1","4","2","4","4","1") = "3"
    & skf21("4","2","1","4","2","4","5","1") = "4"
    & skf21("4","2","1","4","2","4","6","1") = "5"
    & skf21("4","2","1","4","2","4","7","1") = "6"
    & skf21("4","2","1","4","2","5","1","1") = "4"
    & skf21("4","2","1","4","2","5","2","1") = "4"
    & skf21("4","2","1","4","2","5","3","1") = "4"
    & skf21("4","2","1","4","2","5","4","1") = "4"
    & skf21("4","2","1","4","2","5","5","1") = "4"
    & skf21("4","2","1","4","2","5","6","1") = "5"
    & skf21("4","2","1","4","2","5","7","1") = "6"
    & skf21("4","2","1","4","2","6","1","1") = "5"
    & skf21("4","2","1","4","2","6","2","1") = "5"
    & skf21("4","2","1","4","2","6","3","1") = "5"
    & skf21("4","2","1","4","2","6","4","1") = "5"
    & skf21("4","2","1","4","2","6","5","1") = "5"
    & skf21("4","2","1","4","2","6","6","1") = "5"
    & skf21("4","2","1","4","2","6","7","1") = "6"
    & skf21("4","2","1","4","2","7","1","1") = "6"
    & skf21("4","2","1","4","2","7","2","1") = "6"
    & skf21("4","2","1","4","2","7","3","1") = "6"
    & skf21("4","2","1","4","2","7","4","1") = "6"
    & skf21("4","2","1","4","2","7","5","1") = "6"
    & skf21("4","2","1","4","2","7","6","1") = "6"
    & skf21("4","2","1","4","2","7","7","1") = "6"
    & skf21("4","2","1","4","3","1","1","1") = "3"
    & skf21("4","2","1","4","3","1","2","1") = "3"
    & skf21("4","2","1","4","3","1","3","1") = "3"
    & skf21("4","2","1","4","3","1","4","1") = "3"
    & skf21("4","2","1","4","3","1","5","1") = "4"
    & skf21("4","2","1","4","3","1","6","1") = "5"
    & skf21("4","2","1","4","3","1","7","1") = "6"
    & skf21("4","2","1","4","3","2","1","1") = "3"
    & skf21("4","2","1","4","3","2","2","1") = "3"
    & skf21("4","2","1","4","3","2","3","1") = "3"
    & skf21("4","2","1","4","3","2","4","1") = "3"
    & skf21("4","2","1","4","3","2","5","1") = "4"
    & skf21("4","2","1","4","3","2","6","1") = "5"
    & skf21("4","2","1","4","3","2","7","1") = "6"
    & skf21("4","2","1","4","3","3","1","1") = "3"
    & skf21("4","2","1","4","3","3","2","1") = "3"
    & skf21("4","2","1","4","3","3","3","1") = "3"
    & skf21("4","2","1","4","3","3","4","1") = "3"
    & skf21("4","2","1","4","3","3","5","1") = "4"
    & skf21("4","2","1","4","3","3","6","1") = "5"
    & skf21("4","2","1","4","3","3","7","1") = "6"
    & skf21("4","2","1","4","3","4","1","1") = "3"
    & skf21("4","2","1","4","3","4","2","1") = "3"
    & skf21("4","2","1","4","3","4","3","1") = "3"
    & skf21("4","2","1","4","3","4","4","1") = "3"
    & skf21("4","2","1","4","3","4","5","1") = "4"
    & skf21("4","2","1","4","3","4","6","1") = "5"
    & skf21("4","2","1","4","3","4","7","1") = "6"
    & skf21("4","2","1","4","3","5","1","1") = "4"
    & skf21("4","2","1","4","3","5","2","1") = "4"
    & skf21("4","2","1","4","3","5","3","1") = "4"
    & skf21("4","2","1","4","3","5","4","1") = "4"
    & skf21("4","2","1","4","3","5","5","1") = "4"
    & skf21("4","2","1","4","3","5","6","1") = "5"
    & skf21("4","2","1","4","3","5","7","1") = "6"
    & skf21("4","2","1","4","3","6","1","1") = "5"
    & skf21("4","2","1","4","3","6","2","1") = "5"
    & skf21("4","2","1","4","3","6","3","1") = "5"
    & skf21("4","2","1","4","3","6","4","1") = "5"
    & skf21("4","2","1","4","3","6","5","1") = "5"
    & skf21("4","2","1","4","3","6","6","1") = "5"
    & skf21("4","2","1","4","3","6","7","1") = "6"
    & skf21("4","2","1","4","3","7","1","1") = "6"
    & skf21("4","2","1","4","3","7","2","1") = "6"
    & skf21("4","2","1","4","3","7","3","1") = "6"
    & skf21("4","2","1","4","3","7","4","1") = "6"
    & skf21("4","2","1","4","3","7","5","1") = "6"
    & skf21("4","2","1","4","3","7","6","1") = "6"
    & skf21("4","2","1","4","3","7","7","1") = "6"
    & skf21("4","2","1","4","4","1","1","1") = "3"
    & skf21("4","2","1","4","4","1","2","1") = "3"
    & skf21("4","2","1","4","4","1","3","1") = "3"
    & skf21("4","2","1","4","4","1","4","1") = "3"
    & skf21("4","2","1","4","4","1","5","1") = "4"
    & skf21("4","2","1","4","4","1","6","1") = "5"
    & skf21("4","2","1","4","4","1","7","1") = "6"
    & skf21("4","2","1","4","4","2","1","1") = "3"
    & skf21("4","2","1","4","4","2","2","1") = "3"
    & skf21("4","2","1","4","4","2","3","1") = "3"
    & skf21("4","2","1","4","4","2","4","1") = "3"
    & skf21("4","2","1","4","4","2","5","1") = "4"
    & skf21("4","2","1","4","4","2","6","1") = "5"
    & skf21("4","2","1","4","4","2","7","1") = "6"
    & skf21("4","2","1","4","4","3","1","1") = "3"
    & skf21("4","2","1","4","4","3","2","1") = "3"
    & skf21("4","2","1","4","4","3","3","1") = "3"
    & skf21("4","2","1","4","4","3","4","1") = "3"
    & skf21("4","2","1","4","4","3","5","1") = "4"
    & skf21("4","2","1","4","4","3","6","1") = "5"
    & skf21("4","2","1","4","4","3","7","1") = "6"
    & skf21("4","2","1","4","4","4","1","1") = "3"
    & skf21("4","2","1","4","4","4","2","1") = "3"
    & skf21("4","2","1","4","4","4","3","1") = "3"
    & skf21("4","2","1","4","4","4","4","1") = "3"
    & skf21("4","2","1","4","4","4","5","1") = "4"
    & skf21("4","2","1","4","4","4","6","1") = "5"
    & skf21("4","2","1","4","4","4","7","1") = "6"
    & skf21("4","2","1","4","4","5","1","1") = "4"
    & skf21("4","2","1","4","4","5","2","1") = "4"
    & skf21("4","2","1","4","4","5","3","1") = "4"
    & skf21("4","2","1","4","4","5","4","1") = "4"
    & skf21("4","2","1","4","4","5","5","1") = "4"
    & skf21("4","2","1","4","4","5","6","1") = "5"
    & skf21("4","2","1","4","4","5","7","1") = "6"
    & skf21("4","2","1","4","4","6","1","1") = "5"
    & skf21("4","2","1","4","4","6","2","1") = "5"
    & skf21("4","2","1","4","4","6","3","1") = "5"
    & skf21("4","2","1","4","4","6","4","1") = "5"
    & skf21("4","2","1","4","4","6","5","1") = "5"
    & skf21("4","2","1","4","4","6","6","1") = "5"
    & skf21("4","2","1","4","4","6","7","1") = "6"
    & skf21("4","2","1","4","4","7","1","1") = "6"
    & skf21("4","2","1","4","4","7","2","1") = "6"
    & skf21("4","2","1","4","4","7","3","1") = "6"
    & skf21("4","2","1","4","4","7","4","1") = "6"
    & skf21("4","2","1","4","4","7","5","1") = "6"
    & skf21("4","2","1","4","4","7","6","1") = "6"
    & skf21("4","2","1","4","4","7","7","1") = "6"
    & skf21("4","2","1","4","5","1","1","1") = "4"
    & skf21("4","2","1","4","5","1","2","1") = "4"
    & skf21("4","2","1","4","5","1","3","1") = "4"
    & skf21("4","2","1","4","5","1","4","1") = "4"
    & skf21("4","2","1","4","5","1","5","1") = "4"
    & skf21("4","2","1","4","5","1","6","1") = "5"
    & skf21("4","2","1","4","5","1","7","1") = "6"
    & skf21("4","2","1","4","5","2","1","1") = "4"
    & skf21("4","2","1","4","5","2","2","1") = "4"
    & skf21("4","2","1","4","5","2","3","1") = "4"
    & skf21("4","2","1","4","5","2","4","1") = "4"
    & skf21("4","2","1","4","5","2","5","1") = "4"
    & skf21("4","2","1","4","5","2","6","1") = "5"
    & skf21("4","2","1","4","5","2","7","1") = "6"
    & skf21("4","2","1","4","5","3","1","1") = "4"
    & skf21("4","2","1","4","5","3","2","1") = "4"
    & skf21("4","2","1","4","5","3","3","1") = "4"
    & skf21("4","2","1","4","5","3","4","1") = "4"
    & skf21("4","2","1","4","5","3","5","1") = "4"
    & skf21("4","2","1","4","5","3","6","1") = "5"
    & skf21("4","2","1","4","5","3","7","1") = "6"
    & skf21("4","2","1","4","5","4","1","1") = "4"
    & skf21("4","2","1","4","5","4","2","1") = "4"
    & skf21("4","2","1","4","5","4","3","1") = "4"
    & skf21("4","2","1","4","5","4","4","1") = "4"
    & skf21("4","2","1","4","5","4","5","1") = "4"
    & skf21("4","2","1","4","5","4","6","1") = "5"
    & skf21("4","2","1","4","5","4","7","1") = "6"
    & skf21("4","2","1","4","5","5","1","1") = "4"
    & skf21("4","2","1","4","5","5","2","1") = "4"
    & skf21("4","2","1","4","5","5","3","1") = "4"
    & skf21("4","2","1","4","5","5","4","1") = "4"
    & skf21("4","2","1","4","5","5","5","1") = "4"
    & skf21("4","2","1","4","5","5","6","1") = "5"
    & skf21("4","2","1","4","5","5","7","1") = "6"
    & skf21("4","2","1","4","5","6","1","1") = "5"
    & skf21("4","2","1","4","5","6","2","1") = "5"
    & skf21("4","2","1","4","5","6","3","1") = "5"
    & skf21("4","2","1","4","5","6","4","1") = "5"
    & skf21("4","2","1","4","5","6","5","1") = "5"
    & skf21("4","2","1","4","5","6","6","1") = "5"
    & skf21("4","2","1","4","5","6","7","1") = "6"
    & skf21("4","2","1","4","5","7","1","1") = "6"
    & skf21("4","2","1","4","5","7","2","1") = "6"
    & skf21("4","2","1","4","5","7","3","1") = "6"
    & skf21("4","2","1","4","5","7","4","1") = "6"
    & skf21("4","2","1","4","5","7","5","1") = "6"
    & skf21("4","2","1","4","5","7","6","1") = "6"
    & skf21("4","2","1","4","5","7","7","1") = "6"
    & skf21("4","2","1","4","6","1","1","1") = "5"
    & skf21("4","2","1","4","6","1","2","1") = "5"
    & skf21("4","2","1","4","6","1","3","1") = "5"
    & skf21("4","2","1","4","6","1","4","1") = "5"
    & skf21("4","2","1","4","6","1","5","1") = "5"
    & skf21("4","2","1","4","6","1","6","1") = "5"
    & skf21("4","2","1","4","6","1","7","1") = "6"
    & skf21("4","2","1","4","6","2","1","1") = "5"
    & skf21("4","2","1","4","6","2","2","1") = "5"
    & skf21("4","2","1","4","6","2","3","1") = "5"
    & skf21("4","2","1","4","6","2","4","1") = "5"
    & skf21("4","2","1","4","6","2","5","1") = "5"
    & skf21("4","2","1","4","6","2","6","1") = "5"
    & skf21("4","2","1","4","6","2","7","1") = "6"
    & skf21("4","2","1","4","6","3","1","1") = "5"
    & skf21("4","2","1","4","6","3","2","1") = "5"
    & skf21("4","2","1","4","6","3","3","1") = "5"
    & skf21("4","2","1","4","6","3","4","1") = "5"
    & skf21("4","2","1","4","6","3","5","1") = "5"
    & skf21("4","2","1","4","6","3","6","1") = "5"
    & skf21("4","2","1","4","6","3","7","1") = "6"
    & skf21("4","2","1","4","6","4","1","1") = "5"
    & skf21("4","2","1","4","6","4","2","1") = "5"
    & skf21("4","2","1","4","6","4","3","1") = "5"
    & skf21("4","2","1","4","6","4","4","1") = "5"
    & skf21("4","2","1","4","6","4","5","1") = "5"
    & skf21("4","2","1","4","6","4","6","1") = "5"
    & skf21("4","2","1","4","6","4","7","1") = "6"
    & skf21("4","2","1","4","6","5","1","1") = "5"
    & skf21("4","2","1","4","6","5","2","1") = "5"
    & skf21("4","2","1","4","6","5","3","1") = "5"
    & skf21("4","2","1","4","6","5","4","1") = "5"
    & skf21("4","2","1","4","6","5","5","1") = "5"
    & skf21("4","2","1","4","6","5","6","1") = "5"
    & skf21("4","2","1","4","6","5","7","1") = "6"
    & skf21("4","2","1","4","6","6","1","1") = "5"
    & skf21("4","2","1","4","6","6","2","1") = "5"
    & skf21("4","2","1","4","6","6","3","1") = "5"
    & skf21("4","2","1","4","6","6","4","1") = "5"
    & skf21("4","2","1","4","6","6","5","1") = "5"
    & skf21("4","2","1","4","6","6","6","1") = "5"
    & skf21("4","2","1","4","6","6","7","1") = "6"
    & skf21("4","2","1","4","6","7","1","1") = "6"
    & skf21("4","2","1","4","6","7","2","1") = "6"
    & skf21("4","2","1","4","6","7","3","1") = "6"
    & skf21("4","2","1","4","6","7","4","1") = "6"
    & skf21("4","2","1","4","6","7","5","1") = "6"
    & skf21("4","2","1","4","6","7","6","1") = "6"
    & skf21("4","2","1","4","6","7","7","1") = "6"
    & skf21("4","2","1","4","7","1","1","1") = "6"
    & skf21("4","2","1","4","7","1","2","1") = "6"
    & skf21("4","2","1","4","7","1","3","1") = "6"
    & skf21("4","2","1","4","7","1","4","1") = "6"
    & skf21("4","2","1","4","7","1","5","1") = "6"
    & skf21("4","2","1","4","7","1","6","1") = "6"
    & skf21("4","2","1","4","7","1","7","1") = "6"
    & skf21("4","2","1","4","7","2","1","1") = "6"
    & skf21("4","2","1","4","7","2","2","1") = "6"
    & skf21("4","2","1","4","7","2","3","1") = "6"
    & skf21("4","2","1","4","7","2","4","1") = "6"
    & skf21("4","2","1","4","7","2","5","1") = "6"
    & skf21("4","2","1","4","7","2","6","1") = "6"
    & skf21("4","2","1","4","7","2","7","1") = "6"
    & skf21("4","2","1","4","7","3","1","1") = "6"
    & skf21("4","2","1","4","7","3","2","1") = "6"
    & skf21("4","2","1","4","7","3","3","1") = "6"
    & skf21("4","2","1","4","7","3","4","1") = "6"
    & skf21("4","2","1","4","7","3","5","1") = "6"
    & skf21("4","2","1","4","7","3","6","1") = "6"
    & skf21("4","2","1","4","7","3","7","1") = "6"
    & skf21("4","2","1","4","7","4","1","1") = "6"
    & skf21("4","2","1","4","7","4","2","1") = "6"
    & skf21("4","2","1","4","7","4","3","1") = "6"
    & skf21("4","2","1","4","7","4","4","1") = "6"
    & skf21("4","2","1","4","7","4","5","1") = "6"
    & skf21("4","2","1","4","7","4","6","1") = "6"
    & skf21("4","2","1","4","7","4","7","1") = "6"
    & skf21("4","2","1","4","7","5","1","1") = "6"
    & skf21("4","2","1","4","7","5","2","1") = "6"
    & skf21("4","2","1","4","7","5","3","1") = "6"
    & skf21("4","2","1","4","7","5","4","1") = "6"
    & skf21("4","2","1","4","7","5","5","1") = "6"
    & skf21("4","2","1","4","7","5","6","1") = "6"
    & skf21("4","2","1","4","7","5","7","1") = "6"
    & skf21("4","2","1","4","7","6","1","1") = "6"
    & skf21("4","2","1","4","7","6","2","1") = "6"
    & skf21("4","2","1","4","7","6","3","1") = "6"
    & skf21("4","2","1","4","7","6","4","1") = "6"
    & skf21("4","2","1","4","7","6","5","1") = "6"
    & skf21("4","2","1","4","7","6","6","1") = "6"
    & skf21("4","2","1","4","7","6","7","1") = "6"
    & skf21("4","2","1","4","7","7","1","1") = "6"
    & skf21("4","2","1","4","7","7","2","1") = "6"
    & skf21("4","2","1","4","7","7","3","1") = "6"
    & skf21("4","2","1","4","7","7","4","1") = "6"
    & skf21("4","2","1","4","7","7","5","1") = "6"
    & skf21("4","2","1","4","7","7","6","1") = "6"
    & skf21("4","2","1","4","7","7","7","1") = "6"
    & skf21("4","2","1","5","1","1","1","1") = "4"
    & skf21("4","2","1","5","1","1","2","1") = "4"
    & skf21("4","2","1","5","1","1","3","1") = "4"
    & skf21("4","2","1","5","1","1","4","1") = "4"
    & skf21("4","2","1","5","1","1","5","1") = "4"
    & skf21("4","2","1","5","1","1","6","1") = "5"
    & skf21("4","2","1","5","1","1","7","1") = "6"
    & skf21("4","2","1","5","1","2","1","1") = "4"
    & skf21("4","2","1","5","1","2","2","1") = "4"
    & skf21("4","2","1","5","1","2","3","1") = "4"
    & skf21("4","2","1","5","1","2","4","1") = "4"
    & skf21("4","2","1","5","1","2","5","1") = "4"
    & skf21("4","2","1","5","1","2","6","1") = "5"
    & skf21("4","2","1","5","1","2","7","1") = "6"
    & skf21("4","2","1","5","1","3","1","1") = "4"
    & skf21("4","2","1","5","1","3","2","1") = "4"
    & skf21("4","2","1","5","1","3","3","1") = "4"
    & skf21("4","2","1","5","1","3","4","1") = "4"
    & skf21("4","2","1","5","1","3","5","1") = "4"
    & skf21("4","2","1","5","1","3","6","1") = "5"
    & skf21("4","2","1","5","1","3","7","1") = "6"
    & skf21("4","2","1","5","1","4","1","1") = "4"
    & skf21("4","2","1","5","1","4","2","1") = "4"
    & skf21("4","2","1","5","1","4","3","1") = "4"
    & skf21("4","2","1","5","1","4","4","1") = "4"
    & skf21("4","2","1","5","1","4","5","1") = "4"
    & skf21("4","2","1","5","1","4","6","1") = "5"
    & skf21("4","2","1","5","1","4","7","1") = "6"
    & skf21("4","2","1","5","1","5","1","1") = "4"
    & skf21("4","2","1","5","1","5","2","1") = "4"
    & skf21("4","2","1","5","1","5","3","1") = "4"
    & skf21("4","2","1","5","1","5","4","1") = "4"
    & skf21("4","2","1","5","1","5","5","1") = "4"
    & skf21("4","2","1","5","1","5","6","1") = "5"
    & skf21("4","2","1","5","1","5","7","1") = "6"
    & skf21("4","2","1","5","1","6","1","1") = "5"
    & skf21("4","2","1","5","1","6","2","1") = "5"
    & skf21("4","2","1","5","1","6","3","1") = "5"
    & skf21("4","2","1","5","1","6","4","1") = "5"
    & skf21("4","2","1","5","1","6","5","1") = "5"
    & skf21("4","2","1","5","1","6","6","1") = "5"
    & skf21("4","2","1","5","1","6","7","1") = "6"
    & skf21("4","2","1","5","1","7","1","1") = "6"
    & skf21("4","2","1","5","1","7","2","1") = "6"
    & skf21("4","2","1","5","1","7","3","1") = "6"
    & skf21("4","2","1","5","1","7","4","1") = "6"
    & skf21("4","2","1","5","1","7","5","1") = "6"
    & skf21("4","2","1","5","1","7","6","1") = "6"
    & skf21("4","2","1","5","1","7","7","1") = "6"
    & skf21("4","2","1","5","2","1","1","1") = "4"
    & skf21("4","2","1","5","2","1","2","1") = "4"
    & skf21("4","2","1","5","2","1","3","1") = "4"
    & skf21("4","2","1","5","2","1","4","1") = "4"
    & skf21("4","2","1","5","2","1","5","1") = "4"
    & skf21("4","2","1","5","2","1","6","1") = "5"
    & skf21("4","2","1","5","2","1","7","1") = "6"
    & skf21("4","2","1","5","2","2","1","1") = "4"
    & skf21("4","2","1","5","2","2","2","1") = "4"
    & skf21("4","2","1","5","2","2","3","1") = "4"
    & skf21("4","2","1","5","2","2","4","1") = "4"
    & skf21("4","2","1","5","2","2","5","1") = "4"
    & skf21("4","2","1","5","2","2","6","1") = "5"
    & skf21("4","2","1","5","2","2","7","1") = "6"
    & skf21("4","2","1","5","2","3","1","1") = "4"
    & skf21("4","2","1","5","2","3","2","1") = "4"
    & skf21("4","2","1","5","2","3","3","1") = "4"
    & skf21("4","2","1","5","2","3","4","1") = "4"
    & skf21("4","2","1","5","2","3","5","1") = "4"
    & skf21("4","2","1","5","2","3","6","1") = "5"
    & skf21("4","2","1","5","2","3","7","1") = "6"
    & skf21("4","2","1","5","2","4","1","1") = "4"
    & skf21("4","2","1","5","2","4","2","1") = "4"
    & skf21("4","2","1","5","2","4","3","1") = "4"
    & skf21("4","2","1","5","2","4","4","1") = "4"
    & skf21("4","2","1","5","2","4","5","1") = "4"
    & skf21("4","2","1","5","2","4","6","1") = "5"
    & skf21("4","2","1","5","2","4","7","1") = "6"
    & skf21("4","2","1","5","2","5","1","1") = "4"
    & skf21("4","2","1","5","2","5","2","1") = "4"
    & skf21("4","2","1","5","2","5","3","1") = "4"
    & skf21("4","2","1","5","2","5","4","1") = "4"
    & skf21("4","2","1","5","2","5","5","1") = "4"
    & skf21("4","2","1","5","2","5","6","1") = "5"
    & skf21("4","2","1","5","2","5","7","1") = "6"
    & skf21("4","2","1","5","2","6","1","1") = "5"
    & skf21("4","2","1","5","2","6","2","1") = "5"
    & skf21("4","2","1","5","2","6","3","1") = "5"
    & skf21("4","2","1","5","2","6","4","1") = "5"
    & skf21("4","2","1","5","2","6","5","1") = "5"
    & skf21("4","2","1","5","2","6","6","1") = "5"
    & skf21("4","2","1","5","2","6","7","1") = "6"
    & skf21("4","2","1","5","2","7","1","1") = "6"
    & skf21("4","2","1","5","2","7","2","1") = "6"
    & skf21("4","2","1","5","2","7","3","1") = "6"
    & skf21("4","2","1","5","2","7","4","1") = "6"
    & skf21("4","2","1","5","2","7","5","1") = "6"
    & skf21("4","2","1","5","2","7","6","1") = "6"
    & skf21("4","2","1","5","2","7","7","1") = "6"
    & skf21("4","2","1","5","3","1","1","1") = "4"
    & skf21("4","2","1","5","3","1","2","1") = "4"
    & skf21("4","2","1","5","3","1","3","1") = "4"
    & skf21("4","2","1","5","3","1","4","1") = "4"
    & skf21("4","2","1","5","3","1","5","1") = "4"
    & skf21("4","2","1","5","3","1","6","1") = "5"
    & skf21("4","2","1","5","3","1","7","1") = "6"
    & skf21("4","2","1","5","3","2","1","1") = "4"
    & skf21("4","2","1","5","3","2","2","1") = "4"
    & skf21("4","2","1","5","3","2","3","1") = "4"
    & skf21("4","2","1","5","3","2","4","1") = "4"
    & skf21("4","2","1","5","3","2","5","1") = "4"
    & skf21("4","2","1","5","3","2","6","1") = "5"
    & skf21("4","2","1","5","3","2","7","1") = "6"
    & skf21("4","2","1","5","3","3","1","1") = "4"
    & skf21("4","2","1","5","3","3","2","1") = "4"
    & skf21("4","2","1","5","3","3","3","1") = "4"
    & skf21("4","2","1","5","3","3","4","1") = "4"
    & skf21("4","2","1","5","3","3","5","1") = "4"
    & skf21("4","2","1","5","3","3","6","1") = "5"
    & skf21("4","2","1","5","3","3","7","1") = "6"
    & skf21("4","2","1","5","3","4","1","1") = "4"
    & skf21("4","2","1","5","3","4","2","1") = "4"
    & skf21("4","2","1","5","3","4","3","1") = "4"
    & skf21("4","2","1","5","3","4","4","1") = "4"
    & skf21("4","2","1","5","3","4","5","1") = "4"
    & skf21("4","2","1","5","3","4","6","1") = "5"
    & skf21("4","2","1","5","3","4","7","1") = "6"
    & skf21("4","2","1","5","3","5","1","1") = "4"
    & skf21("4","2","1","5","3","5","2","1") = "4"
    & skf21("4","2","1","5","3","5","3","1") = "4"
    & skf21("4","2","1","5","3","5","4","1") = "4"
    & skf21("4","2","1","5","3","5","5","1") = "4"
    & skf21("4","2","1","5","3","5","6","1") = "5"
    & skf21("4","2","1","5","3","5","7","1") = "6"
    & skf21("4","2","1","5","3","6","1","1") = "5"
    & skf21("4","2","1","5","3","6","2","1") = "5"
    & skf21("4","2","1","5","3","6","3","1") = "5"
    & skf21("4","2","1","5","3","6","4","1") = "5"
    & skf21("4","2","1","5","3","6","5","1") = "5"
    & skf21("4","2","1","5","3","6","6","1") = "5"
    & skf21("4","2","1","5","3","6","7","1") = "6"
    & skf21("4","2","1","5","3","7","1","1") = "6"
    & skf21("4","2","1","5","3","7","2","1") = "6"
    & skf21("4","2","1","5","3","7","3","1") = "6"
    & skf21("4","2","1","5","3","7","4","1") = "6"
    & skf21("4","2","1","5","3","7","5","1") = "6"
    & skf21("4","2","1","5","3","7","6","1") = "6"
    & skf21("4","2","1","5","3","7","7","1") = "6"
    & skf21("4","2","1","5","4","1","1","1") = "4"
    & skf21("4","2","1","5","4","1","2","1") = "4"
    & skf21("4","2","1","5","4","1","3","1") = "4"
    & skf21("4","2","1","5","4","1","4","1") = "4"
    & skf21("4","2","1","5","4","1","5","1") = "4"
    & skf21("4","2","1","5","4","1","6","1") = "5"
    & skf21("4","2","1","5","4","1","7","1") = "6"
    & skf21("4","2","1","5","4","2","1","1") = "4"
    & skf21("4","2","1","5","4","2","2","1") = "4"
    & skf21("4","2","1","5","4","2","3","1") = "4"
    & skf21("4","2","1","5","4","2","4","1") = "4"
    & skf21("4","2","1","5","4","2","5","1") = "4"
    & skf21("4","2","1","5","4","2","6","1") = "5"
    & skf21("4","2","1","5","4","2","7","1") = "6"
    & skf21("4","2","1","5","4","3","1","1") = "4"
    & skf21("4","2","1","5","4","3","2","1") = "4"
    & skf21("4","2","1","5","4","3","3","1") = "4"
    & skf21("4","2","1","5","4","3","4","1") = "4"
    & skf21("4","2","1","5","4","3","5","1") = "4"
    & skf21("4","2","1","5","4","3","6","1") = "5"
    & skf21("4","2","1","5","4","3","7","1") = "6"
    & skf21("4","2","1","5","4","4","1","1") = "4"
    & skf21("4","2","1","5","4","4","2","1") = "4"
    & skf21("4","2","1","5","4","4","3","1") = "4"
    & skf21("4","2","1","5","4","4","4","1") = "4"
    & skf21("4","2","1","5","4","4","5","1") = "4"
    & skf21("4","2","1","5","4","4","6","1") = "5"
    & skf21("4","2","1","5","4","4","7","1") = "6"
    & skf21("4","2","1","5","4","5","1","1") = "4"
    & skf21("4","2","1","5","4","5","2","1") = "4"
    & skf21("4","2","1","5","4","5","3","1") = "4"
    & skf21("4","2","1","5","4","5","4","1") = "4"
    & skf21("4","2","1","5","4","5","5","1") = "4"
    & skf21("4","2","1","5","4","5","6","1") = "5"
    & skf21("4","2","1","5","4","5","7","1") = "6"
    & skf21("4","2","1","5","4","6","1","1") = "5"
    & skf21("4","2","1","5","4","6","2","1") = "5"
    & skf21("4","2","1","5","4","6","3","1") = "5"
    & skf21("4","2","1","5","4","6","4","1") = "5"
    & skf21("4","2","1","5","4","6","5","1") = "5"
    & skf21("4","2","1","5","4","6","6","1") = "5"
    & skf21("4","2","1","5","4","6","7","1") = "6"
    & skf21("4","2","1","5","4","7","1","1") = "6"
    & skf21("4","2","1","5","4","7","2","1") = "6"
    & skf21("4","2","1","5","4","7","3","1") = "6"
    & skf21("4","2","1","5","4","7","4","1") = "6"
    & skf21("4","2","1","5","4","7","5","1") = "6"
    & skf21("4","2","1","5","4","7","6","1") = "6"
    & skf21("4","2","1","5","4","7","7","1") = "6"
    & skf21("4","2","1","5","5","1","1","1") = "4"
    & skf21("4","2","1","5","5","1","2","1") = "4"
    & skf21("4","2","1","5","5","1","3","1") = "4"
    & skf21("4","2","1","5","5","1","4","1") = "4"
    & skf21("4","2","1","5","5","1","5","1") = "4"
    & skf21("4","2","1","5","5","1","6","1") = "5"
    & skf21("4","2","1","5","5","1","7","1") = "6"
    & skf21("4","2","1","5","5","2","1","1") = "4"
    & skf21("4","2","1","5","5","2","2","1") = "4"
    & skf21("4","2","1","5","5","2","3","1") = "4"
    & skf21("4","2","1","5","5","2","4","1") = "4"
    & skf21("4","2","1","5","5","2","5","1") = "4"
    & skf21("4","2","1","5","5","2","6","1") = "5"
    & skf21("4","2","1","5","5","2","7","1") = "6"
    & skf21("4","2","1","5","5","3","1","1") = "4"
    & skf21("4","2","1","5","5","3","2","1") = "4"
    & skf21("4","2","1","5","5","3","3","1") = "4"
    & skf21("4","2","1","5","5","3","4","1") = "4"
    & skf21("4","2","1","5","5","3","5","1") = "4"
    & skf21("4","2","1","5","5","3","6","1") = "5"
    & skf21("4","2","1","5","5","3","7","1") = "6"
    & skf21("4","2","1","5","5","4","1","1") = "4"
    & skf21("4","2","1","5","5","4","2","1") = "4"
    & skf21("4","2","1","5","5","4","3","1") = "4"
    & skf21("4","2","1","5","5","4","4","1") = "4"
    & skf21("4","2","1","5","5","4","5","1") = "4"
    & skf21("4","2","1","5","5","4","6","1") = "5"
    & skf21("4","2","1","5","5","4","7","1") = "6"
    & skf21("4","2","1","5","5","5","1","1") = "4"
    & skf21("4","2","1","5","5","5","2","1") = "4"
    & skf21("4","2","1","5","5","5","3","1") = "4"
    & skf21("4","2","1","5","5","5","4","1") = "4"
    & skf21("4","2","1","5","5","5","5","1") = "4"
    & skf21("4","2","1","5","5","5","6","1") = "5"
    & skf21("4","2","1","5","5","5","7","1") = "6"
    & skf21("4","2","1","5","5","6","1","1") = "5"
    & skf21("4","2","1","5","5","6","2","1") = "5"
    & skf21("4","2","1","5","5","6","3","1") = "5"
    & skf21("4","2","1","5","5","6","4","1") = "5"
    & skf21("4","2","1","5","5","6","5","1") = "5"
    & skf21("4","2","1","5","5","6","6","1") = "5"
    & skf21("4","2","1","5","5","6","7","1") = "6"
    & skf21("4","2","1","5","5","7","1","1") = "6"
    & skf21("4","2","1","5","5","7","2","1") = "6"
    & skf21("4","2","1","5","5","7","3","1") = "6"
    & skf21("4","2","1","5","5","7","4","1") = "6"
    & skf21("4","2","1","5","5","7","5","1") = "6"
    & skf21("4","2","1","5","5","7","6","1") = "6"
    & skf21("4","2","1","5","5","7","7","1") = "6"
    & skf21("4","2","1","5","6","1","1","1") = "5"
    & skf21("4","2","1","5","6","1","2","1") = "5"
    & skf21("4","2","1","5","6","1","3","1") = "5"
    & skf21("4","2","1","5","6","1","4","1") = "5"
    & skf21("4","2","1","5","6","1","5","1") = "5"
    & skf21("4","2","1","5","6","1","6","1") = "5"
    & skf21("4","2","1","5","6","1","7","1") = "6"
    & skf21("4","2","1","5","6","2","1","1") = "5"
    & skf21("4","2","1","5","6","2","2","1") = "5"
    & skf21("4","2","1","5","6","2","3","1") = "5"
    & skf21("4","2","1","5","6","2","4","1") = "5"
    & skf21("4","2","1","5","6","2","5","1") = "5"
    & skf21("4","2","1","5","6","2","6","1") = "5"
    & skf21("4","2","1","5","6","2","7","1") = "6"
    & skf21("4","2","1","5","6","3","1","1") = "5"
    & skf21("4","2","1","5","6","3","2","1") = "5"
    & skf21("4","2","1","5","6","3","3","1") = "5"
    & skf21("4","2","1","5","6","3","4","1") = "5"
    & skf21("4","2","1","5","6","3","5","1") = "5"
    & skf21("4","2","1","5","6","3","6","1") = "5"
    & skf21("4","2","1","5","6","3","7","1") = "6"
    & skf21("4","2","1","5","6","4","1","1") = "5"
    & skf21("4","2","1","5","6","4","2","1") = "5"
    & skf21("4","2","1","5","6","4","3","1") = "5"
    & skf21("4","2","1","5","6","4","4","1") = "5"
    & skf21("4","2","1","5","6","4","5","1") = "5"
    & skf21("4","2","1","5","6","4","6","1") = "5"
    & skf21("4","2","1","5","6","4","7","1") = "6"
    & skf21("4","2","1","5","6","5","1","1") = "5"
    & skf21("4","2","1","5","6","5","2","1") = "5"
    & skf21("4","2","1","5","6","5","3","1") = "5"
    & skf21("4","2","1","5","6","5","4","1") = "5"
    & skf21("4","2","1","5","6","5","5","1") = "5"
    & skf21("4","2","1","5","6","5","6","1") = "5"
    & skf21("4","2","1","5","6","5","7","1") = "6"
    & skf21("4","2","1","5","6","6","1","1") = "5"
    & skf21("4","2","1","5","6","6","2","1") = "5"
    & skf21("4","2","1","5","6","6","3","1") = "5"
    & skf21("4","2","1","5","6","6","4","1") = "5"
    & skf21("4","2","1","5","6","6","5","1") = "5"
    & skf21("4","2","1","5","6","6","6","1") = "5"
    & skf21("4","2","1","5","6","6","7","1") = "6"
    & skf21("4","2","1","5","6","7","1","1") = "6"
    & skf21("4","2","1","5","6","7","2","1") = "6"
    & skf21("4","2","1","5","6","7","3","1") = "6"
    & skf21("4","2","1","5","6","7","4","1") = "6"
    & skf21("4","2","1","5","6","7","5","1") = "6"
    & skf21("4","2","1","5","6","7","6","1") = "6"
    & skf21("4","2","1","5","6","7","7","1") = "6"
    & skf21("4","2","1","5","7","1","1","1") = "6"
    & skf21("4","2","1","5","7","1","2","1") = "6"
    & skf21("4","2","1","5","7","1","3","1") = "6"
    & skf21("4","2","1","5","7","1","4","1") = "6"
    & skf21("4","2","1","5","7","1","5","1") = "6"
    & skf21("4","2","1","5","7","1","6","1") = "6"
    & skf21("4","2","1","5","7","1","7","1") = "6"
    & skf21("4","2","1","5","7","2","1","1") = "6"
    & skf21("4","2","1","5","7","2","2","1") = "6"
    & skf21("4","2","1","5","7","2","3","1") = "6"
    & skf21("4","2","1","5","7","2","4","1") = "6"
    & skf21("4","2","1","5","7","2","5","1") = "6"
    & skf21("4","2","1","5","7","2","6","1") = "6"
    & skf21("4","2","1","5","7","2","7","1") = "6"
    & skf21("4","2","1","5","7","3","1","1") = "6"
    & skf21("4","2","1","5","7","3","2","1") = "6"
    & skf21("4","2","1","5","7","3","3","1") = "6"
    & skf21("4","2","1","5","7","3","4","1") = "6"
    & skf21("4","2","1","5","7","3","5","1") = "6"
    & skf21("4","2","1","5","7","3","6","1") = "6"
    & skf21("4","2","1","5","7","3","7","1") = "6"
    & skf21("4","2","1","5","7","4","1","1") = "6"
    & skf21("4","2","1","5","7","4","2","1") = "6"
    & skf21("4","2","1","5","7","4","3","1") = "6"
    & skf21("4","2","1","5","7","4","4","1") = "6"
    & skf21("4","2","1","5","7","4","5","1") = "6"
    & skf21("4","2","1","5","7","4","6","1") = "6"
    & skf21("4","2","1","5","7","4","7","1") = "6"
    & skf21("4","2","1","5","7","5","1","1") = "6"
    & skf21("4","2","1","5","7","5","2","1") = "6"
    & skf21("4","2","1","5","7","5","3","1") = "6"
    & skf21("4","2","1","5","7","5","4","1") = "6"
    & skf21("4","2","1","5","7","5","5","1") = "6"
    & skf21("4","2","1","5","7","5","6","1") = "6"
    & skf21("4","2","1","5","7","5","7","1") = "6"
    & skf21("4","2","1","5","7","6","1","1") = "6"
    & skf21("4","2","1","5","7","6","2","1") = "6"
    & skf21("4","2","1","5","7","6","3","1") = "6"
    & skf21("4","2","1","5","7","6","4","1") = "6"
    & skf21("4","2","1","5","7","6","5","1") = "6"
    & skf21("4","2","1","5","7","6","6","1") = "6"
    & skf21("4","2","1","5","7","6","7","1") = "6"
    & skf21("4","2","1","5","7","7","1","1") = "6"
    & skf21("4","2","1","5","7","7","2","1") = "6"
    & skf21("4","2","1","5","7","7","3","1") = "6"
    & skf21("4","2","1","5","7","7","4","1") = "6"
    & skf21("4","2","1","5","7","7","5","1") = "6"
    & skf21("4","2","1","5","7","7","6","1") = "6"
    & skf21("4","2","1","5","7","7","7","1") = "6"
    & skf21("4","2","1","6","1","1","1","1") = "5"
    & skf21("4","2","1","6","1","1","2","1") = "5"
    & skf21("4","2","1","6","1","1","3","1") = "5"
    & skf21("4","2","1","6","1","1","4","1") = "5"
    & skf21("4","2","1","6","1","1","5","1") = "5"
    & skf21("4","2","1","6","1","1","6","1") = "5"
    & skf21("4","2","1","6","1","1","7","1") = "6"
    & skf21("4","2","1","6","1","2","1","1") = "5"
    & skf21("4","2","1","6","1","2","2","1") = "5"
    & skf21("4","2","1","6","1","2","3","1") = "5"
    & skf21("4","2","1","6","1","2","4","1") = "5"
    & skf21("4","2","1","6","1","2","5","1") = "5"
    & skf21("4","2","1","6","1","2","6","1") = "5"
    & skf21("4","2","1","6","1","2","7","1") = "6"
    & skf21("4","2","1","6","1","3","1","1") = "5"
    & skf21("4","2","1","6","1","3","2","1") = "5"
    & skf21("4","2","1","6","1","3","3","1") = "5"
    & skf21("4","2","1","6","1","3","4","1") = "5"
    & skf21("4","2","1","6","1","3","5","1") = "5"
    & skf21("4","2","1","6","1","3","6","1") = "5"
    & skf21("4","2","1","6","1","3","7","1") = "6"
    & skf21("4","2","1","6","1","4","1","1") = "5"
    & skf21("4","2","1","6","1","4","2","1") = "5"
    & skf21("4","2","1","6","1","4","3","1") = "5"
    & skf21("4","2","1","6","1","4","4","1") = "5"
    & skf21("4","2","1","6","1","4","5","1") = "5"
    & skf21("4","2","1","6","1","4","6","1") = "5"
    & skf21("4","2","1","6","1","4","7","1") = "6"
    & skf21("4","2","1","6","1","5","1","1") = "5"
    & skf21("4","2","1","6","1","5","2","1") = "5"
    & skf21("4","2","1","6","1","5","3","1") = "5"
    & skf21("4","2","1","6","1","5","4","1") = "5"
    & skf21("4","2","1","6","1","5","5","1") = "5"
    & skf21("4","2","1","6","1","5","6","1") = "5"
    & skf21("4","2","1","6","1","5","7","1") = "6"
    & skf21("4","2","1","6","1","6","1","1") = "5"
    & skf21("4","2","1","6","1","6","2","1") = "5"
    & skf21("4","2","1","6","1","6","3","1") = "5"
    & skf21("4","2","1","6","1","6","4","1") = "5"
    & skf21("4","2","1","6","1","6","5","1") = "5"
    & skf21("4","2","1","6","1","6","6","1") = "5"
    & skf21("4","2","1","6","1","6","7","1") = "6"
    & skf21("4","2","1","6","1","7","1","1") = "6"
    & skf21("4","2","1","6","1","7","2","1") = "6"
    & skf21("4","2","1","6","1","7","3","1") = "6"
    & skf21("4","2","1","6","1","7","4","1") = "6"
    & skf21("4","2","1","6","1","7","5","1") = "6"
    & skf21("4","2","1","6","1","7","6","1") = "6"
    & skf21("4","2","1","6","1","7","7","1") = "6"
    & skf21("4","2","1","6","2","1","1","1") = "5"
    & skf21("4","2","1","6","2","1","2","1") = "5"
    & skf21("4","2","1","6","2","1","3","1") = "5"
    & skf21("4","2","1","6","2","1","4","1") = "5"
    & skf21("4","2","1","6","2","1","5","1") = "5"
    & skf21("4","2","1","6","2","1","6","1") = "5"
    & skf21("4","2","1","6","2","1","7","1") = "6"
    & skf21("4","2","1","6","2","2","1","1") = "5"
    & skf21("4","2","1","6","2","2","2","1") = "5"
    & skf21("4","2","1","6","2","2","3","1") = "5"
    & skf21("4","2","1","6","2","2","4","1") = "5"
    & skf21("4","2","1","6","2","2","5","1") = "5"
    & skf21("4","2","1","6","2","2","6","1") = "5"
    & skf21("4","2","1","6","2","2","7","1") = "6"
    & skf21("4","2","1","6","2","3","1","1") = "5"
    & skf21("4","2","1","6","2","3","2","1") = "5"
    & skf21("4","2","1","6","2","3","3","1") = "5"
    & skf21("4","2","1","6","2","3","4","1") = "5"
    & skf21("4","2","1","6","2","3","5","1") = "5"
    & skf21("4","2","1","6","2","3","6","1") = "5"
    & skf21("4","2","1","6","2","3","7","1") = "6"
    & skf21("4","2","1","6","2","4","1","1") = "5"
    & skf21("4","2","1","6","2","4","2","1") = "5"
    & skf21("4","2","1","6","2","4","3","1") = "5"
    & skf21("4","2","1","6","2","4","4","1") = "5"
    & skf21("4","2","1","6","2","4","5","1") = "5"
    & skf21("4","2","1","6","2","4","6","1") = "5"
    & skf21("4","2","1","6","2","4","7","1") = "6"
    & skf21("4","2","1","6","2","5","1","1") = "5"
    & skf21("4","2","1","6","2","5","2","1") = "5"
    & skf21("4","2","1","6","2","5","3","1") = "5"
    & skf21("4","2","1","6","2","5","4","1") = "5"
    & skf21("4","2","1","6","2","5","5","1") = "5"
    & skf21("4","2","1","6","2","5","6","1") = "5"
    & skf21("4","2","1","6","2","5","7","1") = "6"
    & skf21("4","2","1","6","2","6","1","1") = "5"
    & skf21("4","2","1","6","2","6","2","1") = "5"
    & skf21("4","2","1","6","2","6","3","1") = "5"
    & skf21("4","2","1","6","2","6","4","1") = "5"
    & skf21("4","2","1","6","2","6","5","1") = "5"
    & skf21("4","2","1","6","2","6","6","1") = "5"
    & skf21("4","2","1","6","2","6","7","1") = "6"
    & skf21("4","2","1","6","2","7","1","1") = "6"
    & skf21("4","2","1","6","2","7","2","1") = "6"
    & skf21("4","2","1","6","2","7","3","1") = "6"
    & skf21("4","2","1","6","2","7","4","1") = "6"
    & skf21("4","2","1","6","2","7","5","1") = "6"
    & skf21("4","2","1","6","2","7","6","1") = "6"
    & skf21("4","2","1","6","2","7","7","1") = "6"
    & skf21("4","2","1","6","3","1","1","1") = "5"
    & skf21("4","2","1","6","3","1","2","1") = "5"
    & skf21("4","2","1","6","3","1","3","1") = "5"
    & skf21("4","2","1","6","3","1","4","1") = "5"
    & skf21("4","2","1","6","3","1","5","1") = "5"
    & skf21("4","2","1","6","3","1","6","1") = "5"
    & skf21("4","2","1","6","3","1","7","1") = "6"
    & skf21("4","2","1","6","3","2","1","1") = "5"
    & skf21("4","2","1","6","3","2","2","1") = "5"
    & skf21("4","2","1","6","3","2","3","1") = "5"
    & skf21("4","2","1","6","3","2","4","1") = "5"
    & skf21("4","2","1","6","3","2","5","1") = "5"
    & skf21("4","2","1","6","3","2","6","1") = "5"
    & skf21("4","2","1","6","3","2","7","1") = "6"
    & skf21("4","2","1","6","3","3","1","1") = "5"
    & skf21("4","2","1","6","3","3","2","1") = "5"
    & skf21("4","2","1","6","3","3","3","1") = "5"
    & skf21("4","2","1","6","3","3","4","1") = "5"
    & skf21("4","2","1","6","3","3","5","1") = "5"
    & skf21("4","2","1","6","3","3","6","1") = "5"
    & skf21("4","2","1","6","3","3","7","1") = "6"
    & skf21("4","2","1","6","3","4","1","1") = "5"
    & skf21("4","2","1","6","3","4","2","1") = "5"
    & skf21("4","2","1","6","3","4","3","1") = "5"
    & skf21("4","2","1","6","3","4","4","1") = "5"
    & skf21("4","2","1","6","3","4","5","1") = "5"
    & skf21("4","2","1","6","3","4","6","1") = "5"
    & skf21("4","2","1","6","3","4","7","1") = "6"
    & skf21("4","2","1","6","3","5","1","1") = "5"
    & skf21("4","2","1","6","3","5","2","1") = "5"
    & skf21("4","2","1","6","3","5","3","1") = "5"
    & skf21("4","2","1","6","3","5","4","1") = "5"
    & skf21("4","2","1","6","3","5","5","1") = "5"
    & skf21("4","2","1","6","3","5","6","1") = "5"
    & skf21("4","2","1","6","3","5","7","1") = "6"
    & skf21("4","2","1","6","3","6","1","1") = "5"
    & skf21("4","2","1","6","3","6","2","1") = "5"
    & skf21("4","2","1","6","3","6","3","1") = "5"
    & skf21("4","2","1","6","3","6","4","1") = "5"
    & skf21("4","2","1","6","3","6","5","1") = "5"
    & skf21("4","2","1","6","3","6","6","1") = "5"
    & skf21("4","2","1","6","3","6","7","1") = "6"
    & skf21("4","2","1","6","3","7","1","1") = "6"
    & skf21("4","2","1","6","3","7","2","1") = "6"
    & skf21("4","2","1","6","3","7","3","1") = "6"
    & skf21("4","2","1","6","3","7","4","1") = "6"
    & skf21("4","2","1","6","3","7","5","1") = "6"
    & skf21("4","2","1","6","3","7","6","1") = "6"
    & skf21("4","2","1","6","3","7","7","1") = "6"
    & skf21("4","2","1","6","4","1","1","1") = "5"
    & skf21("4","2","1","6","4","1","2","1") = "5"
    & skf21("4","2","1","6","4","1","3","1") = "5"
    & skf21("4","2","1","6","4","1","4","1") = "5"
    & skf21("4","2","1","6","4","1","5","1") = "5"
    & skf21("4","2","1","6","4","1","6","1") = "5"
    & skf21("4","2","1","6","4","1","7","1") = "6"
    & skf21("4","2","1","6","4","2","1","1") = "5"
    & skf21("4","2","1","6","4","2","2","1") = "5"
    & skf21("4","2","1","6","4","2","3","1") = "5"
    & skf21("4","2","1","6","4","2","4","1") = "5"
    & skf21("4","2","1","6","4","2","5","1") = "5"
    & skf21("4","2","1","6","4","2","6","1") = "5"
    & skf21("4","2","1","6","4","2","7","1") = "6"
    & skf21("4","2","1","6","4","3","1","1") = "5"
    & skf21("4","2","1","6","4","3","2","1") = "5"
    & skf21("4","2","1","6","4","3","3","1") = "5"
    & skf21("4","2","1","6","4","3","4","1") = "5"
    & skf21("4","2","1","6","4","3","5","1") = "5"
    & skf21("4","2","1","6","4","3","6","1") = "5"
    & skf21("4","2","1","6","4","3","7","1") = "6"
    & skf21("4","2","1","6","4","4","1","1") = "5"
    & skf21("4","2","1","6","4","4","2","1") = "5"
    & skf21("4","2","1","6","4","4","3","1") = "5"
    & skf21("4","2","1","6","4","4","4","1") = "5"
    & skf21("4","2","1","6","4","4","5","1") = "5"
    & skf21("4","2","1","6","4","4","6","1") = "5"
    & skf21("4","2","1","6","4","4","7","1") = "6"
    & skf21("4","2","1","6","4","5","1","1") = "5"
    & skf21("4","2","1","6","4","5","2","1") = "5"
    & skf21("4","2","1","6","4","5","3","1") = "5"
    & skf21("4","2","1","6","4","5","4","1") = "5"
    & skf21("4","2","1","6","4","5","5","1") = "5"
    & skf21("4","2","1","6","4","5","6","1") = "5"
    & skf21("4","2","1","6","4","5","7","1") = "6"
    & skf21("4","2","1","6","4","6","1","1") = "5"
    & skf21("4","2","1","6","4","6","2","1") = "5"
    & skf21("4","2","1","6","4","6","3","1") = "5"
    & skf21("4","2","1","6","4","6","4","1") = "5"
    & skf21("4","2","1","6","4","6","5","1") = "5"
    & skf21("4","2","1","6","4","6","6","1") = "5"
    & skf21("4","2","1","6","4","6","7","1") = "6"
    & skf21("4","2","1","6","4","7","1","1") = "6"
    & skf21("4","2","1","6","4","7","2","1") = "6"
    & skf21("4","2","1","6","4","7","3","1") = "6"
    & skf21("4","2","1","6","4","7","4","1") = "6"
    & skf21("4","2","1","6","4","7","5","1") = "6"
    & skf21("4","2","1","6","4","7","6","1") = "6"
    & skf21("4","2","1","6","4","7","7","1") = "6"
    & skf21("4","2","1","6","5","1","1","1") = "5"
    & skf21("4","2","1","6","5","1","2","1") = "5"
    & skf21("4","2","1","6","5","1","3","1") = "5"
    & skf21("4","2","1","6","5","1","4","1") = "5"
    & skf21("4","2","1","6","5","1","5","1") = "5"
    & skf21("4","2","1","6","5","1","6","1") = "5"
    & skf21("4","2","1","6","5","1","7","1") = "6"
    & skf21("4","2","1","6","5","2","1","1") = "5"
    & skf21("4","2","1","6","5","2","2","1") = "5"
    & skf21("4","2","1","6","5","2","3","1") = "5"
    & skf21("4","2","1","6","5","2","4","1") = "5"
    & skf21("4","2","1","6","5","2","5","1") = "5"
    & skf21("4","2","1","6","5","2","6","1") = "5"
    & skf21("4","2","1","6","5","2","7","1") = "6"
    & skf21("4","2","1","6","5","3","1","1") = "5"
    & skf21("4","2","1","6","5","3","2","1") = "5"
    & skf21("4","2","1","6","5","3","3","1") = "5"
    & skf21("4","2","1","6","5","3","4","1") = "5"
    & skf21("4","2","1","6","5","3","5","1") = "5"
    & skf21("4","2","1","6","5","3","6","1") = "5"
    & skf21("4","2","1","6","5","3","7","1") = "6"
    & skf21("4","2","1","6","5","4","1","1") = "5"
    & skf21("4","2","1","6","5","4","2","1") = "5"
    & skf21("4","2","1","6","5","4","3","1") = "5"
    & skf21("4","2","1","6","5","4","4","1") = "5"
    & skf21("4","2","1","6","5","4","5","1") = "5"
    & skf21("4","2","1","6","5","4","6","1") = "5"
    & skf21("4","2","1","6","5","4","7","1") = "6"
    & skf21("4","2","1","6","5","5","1","1") = "5"
    & skf21("4","2","1","6","5","5","2","1") = "5"
    & skf21("4","2","1","6","5","5","3","1") = "5"
    & skf21("4","2","1","6","5","5","4","1") = "5"
    & skf21("4","2","1","6","5","5","5","1") = "5"
    & skf21("4","2","1","6","5","5","6","1") = "5"
    & skf21("4","2","1","6","5","5","7","1") = "6"
    & skf21("4","2","1","6","5","6","1","1") = "5"
    & skf21("4","2","1","6","5","6","2","1") = "5"
    & skf21("4","2","1","6","5","6","3","1") = "5"
    & skf21("4","2","1","6","5","6","4","1") = "5"
    & skf21("4","2","1","6","5","6","5","1") = "5"
    & skf21("4","2","1","6","5","6","6","1") = "5"
    & skf21("4","2","1","6","5","6","7","1") = "6"
    & skf21("4","2","1","6","5","7","1","1") = "6"
    & skf21("4","2","1","6","5","7","2","1") = "6"
    & skf21("4","2","1","6","5","7","3","1") = "6"
    & skf21("4","2","1","6","5","7","4","1") = "6"
    & skf21("4","2","1","6","5","7","5","1") = "6"
    & skf21("4","2","1","6","5","7","6","1") = "6"
    & skf21("4","2","1","6","5","7","7","1") = "6"
    & skf21("4","2","1","6","6","1","1","1") = "5"
    & skf21("4","2","1","6","6","1","2","1") = "5"
    & skf21("4","2","1","6","6","1","3","1") = "5"
    & skf21("4","2","1","6","6","1","4","1") = "5"
    & skf21("4","2","1","6","6","1","5","1") = "5"
    & skf21("4","2","1","6","6","1","6","1") = "5"
    & skf21("4","2","1","6","6","1","7","1") = "6"
    & skf21("4","2","1","6","6","2","1","1") = "5"
    & skf21("4","2","1","6","6","2","2","1") = "5"
    & skf21("4","2","1","6","6","2","3","1") = "5"
    & skf21("4","2","1","6","6","2","4","1") = "5"
    & skf21("4","2","1","6","6","2","5","1") = "5"
    & skf21("4","2","1","6","6","2","6","1") = "5"
    & skf21("4","2","1","6","6","2","7","1") = "6"
    & skf21("4","2","1","6","6","3","1","1") = "5"
    & skf21("4","2","1","6","6","3","2","1") = "5"
    & skf21("4","2","1","6","6","3","3","1") = "5"
    & skf21("4","2","1","6","6","3","4","1") = "5"
    & skf21("4","2","1","6","6","3","5","1") = "5"
    & skf21("4","2","1","6","6","3","6","1") = "5"
    & skf21("4","2","1","6","6","3","7","1") = "6"
    & skf21("4","2","1","6","6","4","1","1") = "5"
    & skf21("4","2","1","6","6","4","2","1") = "5"
    & skf21("4","2","1","6","6","4","3","1") = "5"
    & skf21("4","2","1","6","6","4","4","1") = "5"
    & skf21("4","2","1","6","6","4","5","1") = "5"
    & skf21("4","2","1","6","6","4","6","1") = "5"
    & skf21("4","2","1","6","6","4","7","1") = "6"
    & skf21("4","2","1","6","6","5","1","1") = "5"
    & skf21("4","2","1","6","6","5","2","1") = "5"
    & skf21("4","2","1","6","6","5","3","1") = "5"
    & skf21("4","2","1","6","6","5","4","1") = "5"
    & skf21("4","2","1","6","6","5","5","1") = "5"
    & skf21("4","2","1","6","6","5","6","1") = "5"
    & skf21("4","2","1","6","6","5","7","1") = "6"
    & skf21("4","2","1","6","6","6","1","1") = "5"
    & skf21("4","2","1","6","6","6","2","1") = "5"
    & skf21("4","2","1","6","6","6","3","1") = "5"
    & skf21("4","2","1","6","6","6","4","1") = "5"
    & skf21("4","2","1","6","6","6","5","1") = "5"
    & skf21("4","2","1","6","6","6","6","1") = "5"
    & skf21("4","2","1","6","6","6","7","1") = "6"
    & skf21("4","2","1","6","6","7","1","1") = "6"
    & skf21("4","2","1","6","6","7","2","1") = "6"
    & skf21("4","2","1","6","6","7","3","1") = "6"
    & skf21("4","2","1","6","6","7","4","1") = "6"
    & skf21("4","2","1","6","6","7","5","1") = "6"
    & skf21("4","2","1","6","6","7","6","1") = "6"
    & skf21("4","2","1","6","6","7","7","1") = "6"
    & skf21("4","2","1","6","7","1","1","1") = "6"
    & skf21("4","2","1","6","7","1","2","1") = "6"
    & skf21("4","2","1","6","7","1","3","1") = "6"
    & skf21("4","2","1","6","7","1","4","1") = "6"
    & skf21("4","2","1","6","7","1","5","1") = "6"
    & skf21("4","2","1","6","7","1","6","1") = "6"
    & skf21("4","2","1","6","7","1","7","1") = "6"
    & skf21("4","2","1","6","7","2","1","1") = "6"
    & skf21("4","2","1","6","7","2","2","1") = "6"
    & skf21("4","2","1","6","7","2","3","1") = "6"
    & skf21("4","2","1","6","7","2","4","1") = "6"
    & skf21("4","2","1","6","7","2","5","1") = "6"
    & skf21("4","2","1","6","7","2","6","1") = "6"
    & skf21("4","2","1","6","7","2","7","1") = "6"
    & skf21("4","2","1","6","7","3","1","1") = "6"
    & skf21("4","2","1","6","7","3","2","1") = "6"
    & skf21("4","2","1","6","7","3","3","1") = "6"
    & skf21("4","2","1","6","7","3","4","1") = "6"
    & skf21("4","2","1","6","7","3","5","1") = "6"
    & skf21("4","2","1","6","7","3","6","1") = "6"
    & skf21("4","2","1","6","7","3","7","1") = "6"
    & skf21("4","2","1","6","7","4","1","1") = "6"
    & skf21("4","2","1","6","7","4","2","1") = "6"
    & skf21("4","2","1","6","7","4","3","1") = "6"
    & skf21("4","2","1","6","7","4","4","1") = "6"
    & skf21("4","2","1","6","7","4","5","1") = "6"
    & skf21("4","2","1","6","7","4","6","1") = "6"
    & skf21("4","2","1","6","7","4","7","1") = "6"
    & skf21("4","2","1","6","7","5","1","1") = "6"
    & skf21("4","2","1","6","7","5","2","1") = "6"
    & skf21("4","2","1","6","7","5","3","1") = "6"
    & skf21("4","2","1","6","7","5","4","1") = "6"
    & skf21("4","2","1","6","7","5","5","1") = "6"
    & skf21("4","2","1","6","7","5","6","1") = "6"
    & skf21("4","2","1","6","7","5","7","1") = "6"
    & skf21("4","2","1","6","7","6","1","1") = "6"
    & skf21("4","2","1","6","7","6","2","1") = "6"
    & skf21("4","2","1","6","7","6","3","1") = "6"
    & skf21("4","2","1","6","7","6","4","1") = "6"
    & skf21("4","2","1","6","7","6","5","1") = "6"
    & skf21("4","2","1","6","7","6","6","1") = "6"
    & skf21("4","2","1","6","7","6","7","1") = "6"
    & skf21("4","2","1","6","7","7","1","1") = "6"
    & skf21("4","2","1","6","7","7","2","1") = "6"
    & skf21("4","2","1","6","7","7","3","1") = "6"
    & skf21("4","2","1","6","7","7","4","1") = "6"
    & skf21("4","2","1","6","7","7","5","1") = "6"
    & skf21("4","2","1","6","7","7","6","1") = "6"
    & skf21("4","2","1","6","7","7","7","1") = "6"
    & skf21("4","2","1","7","1","1","1","1") = "6"
    & skf21("4","2","1","7","1","1","2","1") = "6"
    & skf21("4","2","1","7","1","1","3","1") = "6"
    & skf21("4","2","1","7","1","1","4","1") = "6"
    & skf21("4","2","1","7","1","1","5","1") = "6"
    & skf21("4","2","1","7","1","1","6","1") = "6"
    & skf21("4","2","1","7","1","1","7","1") = "6"
    & skf21("4","2","1","7","1","2","1","1") = "6"
    & skf21("4","2","1","7","1","2","2","1") = "6"
    & skf21("4","2","1","7","1","2","3","1") = "6"
    & skf21("4","2","1","7","1","2","4","1") = "6"
    & skf21("4","2","1","7","1","2","5","1") = "6"
    & skf21("4","2","1","7","1","2","6","1") = "6"
    & skf21("4","2","1","7","1","2","7","1") = "6"
    & skf21("4","2","1","7","1","3","1","1") = "6"
    & skf21("4","2","1","7","1","3","2","1") = "6"
    & skf21("4","2","1","7","1","3","3","1") = "6"
    & skf21("4","2","1","7","1","3","4","1") = "6"
    & skf21("4","2","1","7","1","3","5","1") = "6"
    & skf21("4","2","1","7","1","3","6","1") = "6"
    & skf21("4","2","1","7","1","3","7","1") = "6"
    & skf21("4","2","1","7","1","4","1","1") = "6"
    & skf21("4","2","1","7","1","4","2","1") = "6"
    & skf21("4","2","1","7","1","4","3","1") = "6"
    & skf21("4","2","1","7","1","4","4","1") = "6"
    & skf21("4","2","1","7","1","4","5","1") = "6"
    & skf21("4","2","1","7","1","4","6","1") = "6"
    & skf21("4","2","1","7","1","4","7","1") = "6"
    & skf21("4","2","1","7","1","5","1","1") = "6"
    & skf21("4","2","1","7","1","5","2","1") = "6"
    & skf21("4","2","1","7","1","5","3","1") = "6"
    & skf21("4","2","1","7","1","5","4","1") = "6"
    & skf21("4","2","1","7","1","5","5","1") = "6"
    & skf21("4","2","1","7","1","5","6","1") = "6"
    & skf21("4","2","1","7","1","5","7","1") = "6"
    & skf21("4","2","1","7","1","6","1","1") = "6"
    & skf21("4","2","1","7","1","6","2","1") = "6"
    & skf21("4","2","1","7","1","6","3","1") = "6"
    & skf21("4","2","1","7","1","6","4","1") = "6"
    & skf21("4","2","1","7","1","6","5","1") = "6"
    & skf21("4","2","1","7","1","6","6","1") = "6"
    & skf21("4","2","1","7","1","6","7","1") = "6"
    & skf21("4","2","1","7","1","7","1","1") = "6"
    & skf21("4","2","1","7","1","7","2","1") = "6"
    & skf21("4","2","1","7","1","7","3","1") = "6"
    & skf21("4","2","1","7","1","7","4","1") = "6"
    & skf21("4","2","1","7","1","7","5","1") = "6"
    & skf21("4","2","1","7","1","7","6","1") = "6"
    & skf21("4","2","1","7","1","7","7","1") = "6"
    & skf21("4","2","1","7","2","1","1","1") = "6"
    & skf21("4","2","1","7","2","1","2","1") = "6"
    & skf21("4","2","1","7","2","1","3","1") = "6"
    & skf21("4","2","1","7","2","1","4","1") = "6"
    & skf21("4","2","1","7","2","1","5","1") = "6"
    & skf21("4","2","1","7","2","1","6","1") = "6"
    & skf21("4","2","1","7","2","1","7","1") = "6"
    & skf21("4","2","1","7","2","2","1","1") = "6"
    & skf21("4","2","1","7","2","2","2","1") = "6"
    & skf21("4","2","1","7","2","2","3","1") = "6"
    & skf21("4","2","1","7","2","2","4","1") = "6"
    & skf21("4","2","1","7","2","2","5","1") = "6"
    & skf21("4","2","1","7","2","2","6","1") = "6"
    & skf21("4","2","1","7","2","2","7","1") = "6"
    & skf21("4","2","1","7","2","3","1","1") = "6"
    & skf21("4","2","1","7","2","3","2","1") = "6"
    & skf21("4","2","1","7","2","3","3","1") = "6"
    & skf21("4","2","1","7","2","3","4","1") = "6"
    & skf21("4","2","1","7","2","3","5","1") = "6"
    & skf21("4","2","1","7","2","3","6","1") = "6"
    & skf21("4","2","1","7","2","3","7","1") = "6"
    & skf21("4","2","1","7","2","4","1","1") = "6"
    & skf21("4","2","1","7","2","4","2","1") = "6"
    & skf21("4","2","1","7","2","4","3","1") = "6"
    & skf21("4","2","1","7","2","4","4","1") = "6"
    & skf21("4","2","1","7","2","4","5","1") = "6"
    & skf21("4","2","1","7","2","4","6","1") = "6"
    & skf21("4","2","1","7","2","4","7","1") = "6"
    & skf21("4","2","1","7","2","5","1","1") = "6"
    & skf21("4","2","1","7","2","5","2","1") = "6"
    & skf21("4","2","1","7","2","5","3","1") = "6"
    & skf21("4","2","1","7","2","5","4","1") = "6"
    & skf21("4","2","1","7","2","5","5","1") = "6"
    & skf21("4","2","1","7","2","5","6","1") = "6"
    & skf21("4","2","1","7","2","5","7","1") = "6"
    & skf21("4","2","1","7","2","6","1","1") = "6"
    & skf21("4","2","1","7","2","6","2","1") = "6"
    & skf21("4","2","1","7","2","6","3","1") = "6"
    & skf21("4","2","1","7","2","6","4","1") = "6"
    & skf21("4","2","1","7","2","6","5","1") = "6"
    & skf21("4","2","1","7","2","6","6","1") = "6"
    & skf21("4","2","1","7","2","6","7","1") = "6"
    & skf21("4","2","1","7","2","7","1","1") = "6"
    & skf21("4","2","1","7","2","7","2","1") = "6"
    & skf21("4","2","1","7","2","7","3","1") = "6"
    & skf21("4","2","1","7","2","7","4","1") = "6"
    & skf21("4","2","1","7","2","7","5","1") = "6"
    & skf21("4","2","1","7","2","7","6","1") = "6"
    & skf21("4","2","1","7","2","7","7","1") = "6"
    & skf21("4","2","1","7","3","1","1","1") = "6"
    & skf21("4","2","1","7","3","1","2","1") = "6"
    & skf21("4","2","1","7","3","1","3","1") = "6"
    & skf21("4","2","1","7","3","1","4","1") = "6"
    & skf21("4","2","1","7","3","1","5","1") = "6"
    & skf21("4","2","1","7","3","1","6","1") = "6"
    & skf21("4","2","1","7","3","1","7","1") = "6"
    & skf21("4","2","1","7","3","2","1","1") = "6"
    & skf21("4","2","1","7","3","2","2","1") = "6"
    & skf21("4","2","1","7","3","2","3","1") = "6"
    & skf21("4","2","1","7","3","2","4","1") = "6"
    & skf21("4","2","1","7","3","2","5","1") = "6"
    & skf21("4","2","1","7","3","2","6","1") = "6"
    & skf21("4","2","1","7","3","2","7","1") = "6"
    & skf21("4","2","1","7","3","3","1","1") = "6"
    & skf21("4","2","1","7","3","3","2","1") = "6"
    & skf21("4","2","1","7","3","3","3","1") = "6"
    & skf21("4","2","1","7","3","3","4","1") = "6"
    & skf21("4","2","1","7","3","3","5","1") = "6"
    & skf21("4","2","1","7","3","3","6","1") = "6"
    & skf21("4","2","1","7","3","3","7","1") = "6"
    & skf21("4","2","1","7","3","4","1","1") = "6"
    & skf21("4","2","1","7","3","4","2","1") = "6"
    & skf21("4","2","1","7","3","4","3","1") = "6"
    & skf21("4","2","1","7","3","4","4","1") = "6"
    & skf21("4","2","1","7","3","4","5","1") = "6"
    & skf21("4","2","1","7","3","4","6","1") = "6"
    & skf21("4","2","1","7","3","4","7","1") = "6"
    & skf21("4","2","1","7","3","5","1","1") = "6"
    & skf21("4","2","1","7","3","5","2","1") = "6"
    & skf21("4","2","1","7","3","5","3","1") = "6"
    & skf21("4","2","1","7","3","5","4","1") = "6"
    & skf21("4","2","1","7","3","5","5","1") = "6"
    & skf21("4","2","1","7","3","5","6","1") = "6"
    & skf21("4","2","1","7","3","5","7","1") = "6"
    & skf21("4","2","1","7","3","6","1","1") = "6"
    & skf21("4","2","1","7","3","6","2","1") = "6"
    & skf21("4","2","1","7","3","6","3","1") = "6"
    & skf21("4","2","1","7","3","6","4","1") = "6"
    & skf21("4","2","1","7","3","6","5","1") = "6"
    & skf21("4","2","1","7","3","6","6","1") = "6"
    & skf21("4","2","1","7","3","6","7","1") = "6"
    & skf21("4","2","1","7","3","7","1","1") = "6"
    & skf21("4","2","1","7","3","7","2","1") = "6"
    & skf21("4","2","1","7","3","7","3","1") = "6"
    & skf21("4","2","1","7","3","7","4","1") = "6"
    & skf21("4","2","1","7","3","7","5","1") = "6"
    & skf21("4","2","1","7","3","7","6","1") = "6"
    & skf21("4","2","1","7","3","7","7","1") = "6"
    & skf21("4","2","1","7","4","1","1","1") = "6"
    & skf21("4","2","1","7","4","1","2","1") = "6"
    & skf21("4","2","1","7","4","1","3","1") = "6"
    & skf21("4","2","1","7","4","1","4","1") = "6"
    & skf21("4","2","1","7","4","1","5","1") = "6"
    & skf21("4","2","1","7","4","1","6","1") = "6"
    & skf21("4","2","1","7","4","1","7","1") = "6"
    & skf21("4","2","1","7","4","2","1","1") = "6"
    & skf21("4","2","1","7","4","2","2","1") = "6"
    & skf21("4","2","1","7","4","2","3","1") = "6"
    & skf21("4","2","1","7","4","2","4","1") = "6"
    & skf21("4","2","1","7","4","2","5","1") = "6"
    & skf21("4","2","1","7","4","2","6","1") = "6"
    & skf21("4","2","1","7","4","2","7","1") = "6"
    & skf21("4","2","1","7","4","3","1","1") = "6"
    & skf21("4","2","1","7","4","3","2","1") = "6"
    & skf21("4","2","1","7","4","3","3","1") = "6"
    & skf21("4","2","1","7","4","3","4","1") = "6"
    & skf21("4","2","1","7","4","3","5","1") = "6"
    & skf21("4","2","1","7","4","3","6","1") = "6"
    & skf21("4","2","1","7","4","3","7","1") = "6"
    & skf21("4","2","1","7","4","4","1","1") = "6"
    & skf21("4","2","1","7","4","4","2","1") = "6"
    & skf21("4","2","1","7","4","4","3","1") = "6"
    & skf21("4","2","1","7","4","4","4","1") = "6"
    & skf21("4","2","1","7","4","4","5","1") = "6"
    & skf21("4","2","1","7","4","4","6","1") = "6"
    & skf21("4","2","1","7","4","4","7","1") = "6"
    & skf21("4","2","1","7","4","5","1","1") = "6"
    & skf21("4","2","1","7","4","5","2","1") = "6"
    & skf21("4","2","1","7","4","5","3","1") = "6"
    & skf21("4","2","1","7","4","5","4","1") = "6"
    & skf21("4","2","1","7","4","5","5","1") = "6"
    & skf21("4","2","1","7","4","5","6","1") = "6"
    & skf21("4","2","1","7","4","5","7","1") = "6"
    & skf21("4","2","1","7","4","6","1","1") = "6"
    & skf21("4","2","1","7","4","6","2","1") = "6"
    & skf21("4","2","1","7","4","6","3","1") = "6"
    & skf21("4","2","1","7","4","6","4","1") = "6"
    & skf21("4","2","1","7","4","6","5","1") = "6"
    & skf21("4","2","1","7","4","6","6","1") = "6"
    & skf21("4","2","1","7","4","6","7","1") = "6"
    & skf21("4","2","1","7","4","7","1","1") = "6"
    & skf21("4","2","1","7","4","7","2","1") = "6"
    & skf21("4","2","1","7","4","7","3","1") = "6"
    & skf21("4","2","1","7","4","7","4","1") = "6"
    & skf21("4","2","1","7","4","7","5","1") = "6"
    & skf21("4","2","1","7","4","7","6","1") = "6"
    & skf21("4","2","1","7","4","7","7","1") = "6"
    & skf21("4","2","1","7","5","1","1","1") = "6"
    & skf21("4","2","1","7","5","1","2","1") = "6"
    & skf21("4","2","1","7","5","1","3","1") = "6"
    & skf21("4","2","1","7","5","1","4","1") = "6"
    & skf21("4","2","1","7","5","1","5","1") = "6"
    & skf21("4","2","1","7","5","1","6","1") = "6"
    & skf21("4","2","1","7","5","1","7","1") = "6"
    & skf21("4","2","1","7","5","2","1","1") = "6"
    & skf21("4","2","1","7","5","2","2","1") = "6"
    & skf21("4","2","1","7","5","2","3","1") = "6"
    & skf21("4","2","1","7","5","2","4","1") = "6"
    & skf21("4","2","1","7","5","2","5","1") = "6"
    & skf21("4","2","1","7","5","2","6","1") = "6"
    & skf21("4","2","1","7","5","2","7","1") = "6"
    & skf21("4","2","1","7","5","3","1","1") = "6"
    & skf21("4","2","1","7","5","3","2","1") = "6"
    & skf21("4","2","1","7","5","3","3","1") = "6"
    & skf21("4","2","1","7","5","3","4","1") = "6"
    & skf21("4","2","1","7","5","3","5","1") = "6"
    & skf21("4","2","1","7","5","3","6","1") = "6"
    & skf21("4","2","1","7","5","3","7","1") = "6"
    & skf21("4","2","1","7","5","4","1","1") = "6"
    & skf21("4","2","1","7","5","4","2","1") = "6"
    & skf21("4","2","1","7","5","4","3","1") = "6"
    & skf21("4","2","1","7","5","4","4","1") = "6"
    & skf21("4","2","1","7","5","4","5","1") = "6"
    & skf21("4","2","1","7","5","4","6","1") = "6"
    & skf21("4","2","1","7","5","4","7","1") = "6"
    & skf21("4","2","1","7","5","5","1","1") = "6"
    & skf21("4","2","1","7","5","5","2","1") = "6"
    & skf21("4","2","1","7","5","5","3","1") = "6"
    & skf21("4","2","1","7","5","5","4","1") = "6"
    & skf21("4","2","1","7","5","5","5","1") = "6"
    & skf21("4","2","1","7","5","5","6","1") = "6"
    & skf21("4","2","1","7","5","5","7","1") = "6"
    & skf21("4","2","1","7","5","6","1","1") = "6"
    & skf21("4","2","1","7","5","6","2","1") = "6"
    & skf21("4","2","1","7","5","6","3","1") = "6"
    & skf21("4","2","1","7","5","6","4","1") = "6"
    & skf21("4","2","1","7","5","6","5","1") = "6"
    & skf21("4","2","1","7","5","6","6","1") = "6"
    & skf21("4","2","1","7","5","6","7","1") = "6"
    & skf21("4","2","1","7","5","7","1","1") = "6"
    & skf21("4","2","1","7","5","7","2","1") = "6"
    & skf21("4","2","1","7","5","7","3","1") = "6"
    & skf21("4","2","1","7","5","7","4","1") = "6"
    & skf21("4","2","1","7","5","7","5","1") = "6"
    & skf21("4","2","1","7","5","7","6","1") = "6"
    & skf21("4","2","1","7","5","7","7","1") = "6"
    & skf21("4","2","1","7","6","1","1","1") = "6"
    & skf21("4","2","1","7","6","1","2","1") = "6"
    & skf21("4","2","1","7","6","1","3","1") = "6"
    & skf21("4","2","1","7","6","1","4","1") = "6"
    & skf21("4","2","1","7","6","1","5","1") = "6"
    & skf21("4","2","1","7","6","1","6","1") = "6"
    & skf21("4","2","1","7","6","1","7","1") = "6"
    & skf21("4","2","1","7","6","2","1","1") = "6"
    & skf21("4","2","1","7","6","2","2","1") = "6"
    & skf21("4","2","1","7","6","2","3","1") = "6"
    & skf21("4","2","1","7","6","2","4","1") = "6"
    & skf21("4","2","1","7","6","2","5","1") = "6"
    & skf21("4","2","1","7","6","2","6","1") = "6"
    & skf21("4","2","1","7","6","2","7","1") = "6"
    & skf21("4","2","1","7","6","3","1","1") = "6"
    & skf21("4","2","1","7","6","3","2","1") = "6"
    & skf21("4","2","1","7","6","3","3","1") = "6"
    & skf21("4","2","1","7","6","3","4","1") = "6"
    & skf21("4","2","1","7","6","3","5","1") = "6"
    & skf21("4","2","1","7","6","3","6","1") = "6"
    & skf21("4","2","1","7","6","3","7","1") = "6"
    & skf21("4","2","1","7","6","4","1","1") = "6"
    & skf21("4","2","1","7","6","4","2","1") = "6"
    & skf21("4","2","1","7","6","4","3","1") = "6"
    & skf21("4","2","1","7","6","4","4","1") = "6"
    & skf21("4","2","1","7","6","4","5","1") = "6"
    & skf21("4","2","1","7","6","4","6","1") = "6"
    & skf21("4","2","1","7","6","4","7","1") = "6"
    & skf21("4","2","1","7","6","5","1","1") = "6"
    & skf21("4","2","1","7","6","5","2","1") = "6"
    & skf21("4","2","1","7","6","5","3","1") = "6"
    & skf21("4","2","1","7","6","5","4","1") = "6"
    & skf21("4","2","1","7","6","5","5","1") = "6"
    & skf21("4","2","1","7","6","5","6","1") = "6"
    & skf21("4","2","1","7","6","5","7","1") = "6"
    & skf21("4","2","1","7","6","6","1","1") = "6"
    & skf21("4","2","1","7","6","6","2","1") = "6"
    & skf21("4","2","1","7","6","6","3","1") = "6"
    & skf21("4","2","1","7","6","6","4","1") = "6"
    & skf21("4","2","1","7","6","6","5","1") = "6"
    & skf21("4","2","1","7","6","6","6","1") = "6"
    & skf21("4","2","1","7","6","6","7","1") = "6"
    & skf21("4","2","1","7","6","7","1","1") = "6"
    & skf21("4","2","1","7","6","7","2","1") = "6"
    & skf21("4","2","1","7","6","7","3","1") = "6"
    & skf21("4","2","1","7","6","7","4","1") = "6"
    & skf21("4","2","1","7","6","7","5","1") = "6"
    & skf21("4","2","1","7","6","7","6","1") = "6"
    & skf21("4","2","1","7","6","7","7","1") = "6"
    & skf21("4","2","1","7","7","1","1","1") = "6"
    & skf21("4","2","1","7","7","1","2","1") = "6"
    & skf21("4","2","1","7","7","1","3","1") = "6"
    & skf21("4","2","1","7","7","1","4","1") = "6"
    & skf21("4","2","1","7","7","1","5","1") = "6"
    & skf21("4","2","1","7","7","1","6","1") = "6"
    & skf21("4","2","1","7","7","1","7","1") = "6"
    & skf21("4","2","1","7","7","2","1","1") = "6"
    & skf21("4","2","1","7","7","2","2","1") = "6"
    & skf21("4","2","1","7","7","2","3","1") = "6"
    & skf21("4","2","1","7","7","2","4","1") = "6"
    & skf21("4","2","1","7","7","2","5","1") = "6"
    & skf21("4","2","1","7","7","2","6","1") = "6"
    & skf21("4","2","1","7","7","2","7","1") = "6"
    & skf21("4","2","1","7","7","3","1","1") = "6"
    & skf21("4","2","1","7","7","3","2","1") = "6"
    & skf21("4","2","1","7","7","3","3","1") = "6"
    & skf21("4","2","1","7","7","3","4","1") = "6"
    & skf21("4","2","1","7","7","3","5","1") = "6"
    & skf21("4","2","1","7","7","3","6","1") = "6"
    & skf21("4","2","1","7","7","3","7","1") = "6"
    & skf21("4","2","1","7","7","4","1","1") = "6"
    & skf21("4","2","1","7","7","4","2","1") = "6"
    & skf21("4","2","1","7","7","4","3","1") = "6"
    & skf21("4","2","1","7","7","4","4","1") = "6"
    & skf21("4","2","1","7","7","4","5","1") = "6"
    & skf21("4","2","1","7","7","4","6","1") = "6"
    & skf21("4","2","1","7","7","4","7","1") = "6"
    & skf21("4","2","1","7","7","5","1","1") = "6"
    & skf21("4","2","1","7","7","5","2","1") = "6"
    & skf21("4","2","1","7","7","5","3","1") = "6"
    & skf21("4","2","1","7","7","5","4","1") = "6"
    & skf21("4","2","1","7","7","5","5","1") = "6"
    & skf21("4","2","1","7","7","5","6","1") = "6"
    & skf21("4","2","1","7","7","5","7","1") = "6"
    & skf21("4","2","1","7","7","6","1","1") = "6"
    & skf21("4","2","1","7","7","6","2","1") = "6"
    & skf21("4","2","1","7","7","6","3","1") = "6"
    & skf21("4","2","1","7","7","6","4","1") = "6"
    & skf21("4","2","1","7","7","6","5","1") = "6"
    & skf21("4","2","1","7","7","6","6","1") = "6"
    & skf21("4","2","1","7","7","6","7","1") = "6"
    & skf21("4","2","1","7","7","7","1","1") = "6"
    & skf21("4","2","1","7","7","7","2","1") = "6"
    & skf21("4","2","1","7","7","7","3","1") = "6"
    & skf21("4","2","1","7","7","7","4","1") = "6"
    & skf21("4","2","1","7","7","7","5","1") = "6"
    & skf21("4","2","1","7","7","7","6","1") = "6"
    & skf21("4","2","1","7","7","7","7","1") = "6"
    & skf21("4","2","2","1","1","1","1","1") = "3"
    & skf21("4","2","2","1","1","1","2","1") = "3"
    & skf21("4","2","2","1","1","1","3","1") = "3"
    & skf21("4","2","2","1","1","1","4","1") = "3"
    & skf21("4","2","2","1","1","1","5","1") = "4"
    & skf21("4","2","2","1","1","1","6","1") = "5"
    & skf21("4","2","2","1","1","1","7","1") = "6"
    & skf21("4","2","2","1","1","2","1","1") = "3"
    & skf21("4","2","2","1","1","2","2","1") = "3"
    & skf21("4","2","2","1","1","2","3","1") = "3"
    & skf21("4","2","2","1","1","2","4","1") = "3"
    & skf21("4","2","2","1","1","2","5","1") = "4"
    & skf21("4","2","2","1","1","2","6","1") = "5"
    & skf21("4","2","2","1","1","2","7","1") = "6"
    & skf21("4","2","2","1","1","3","1","1") = "3"
    & skf21("4","2","2","1","1","3","2","1") = "3"
    & skf21("4","2","2","1","1","3","3","1") = "3"
    & skf21("4","2","2","1","1","3","4","1") = "3"
    & skf21("4","2","2","1","1","3","5","1") = "4"
    & skf21("4","2","2","1","1","3","6","1") = "5"
    & skf21("4","2","2","1","1","3","7","1") = "6"
    & skf21("4","2","2","1","1","4","1","1") = "3"
    & skf21("4","2","2","1","1","4","2","1") = "3"
    & skf21("4","2","2","1","1","4","3","1") = "3"
    & skf21("4","2","2","1","1","4","4","1") = "3"
    & skf21("4","2","2","1","1","4","5","1") = "4"
    & skf21("4","2","2","1","1","4","6","1") = "5"
    & skf21("4","2","2","1","1","4","7","1") = "6"
    & skf21("4","2","2","1","1","5","1","1") = "4"
    & skf21("4","2","2","1","1","5","2","1") = "4"
    & skf21("4","2","2","1","1","5","3","1") = "4"
    & skf21("4","2","2","1","1","5","4","1") = "4"
    & skf21("4","2","2","1","1","5","5","1") = "4"
    & skf21("4","2","2","1","1","5","6","1") = "5"
    & skf21("4","2","2","1","1","5","7","1") = "6"
    & skf21("4","2","2","1","1","6","1","1") = "5"
    & skf21("4","2","2","1","1","6","2","1") = "5"
    & skf21("4","2","2","1","1","6","3","1") = "5"
    & skf21("4","2","2","1","1","6","4","1") = "5"
    & skf21("4","2","2","1","1","6","5","1") = "5"
    & skf21("4","2","2","1","1","6","6","1") = "5"
    & skf21("4","2","2","1","1","6","7","1") = "6"
    & skf21("4","2","2","1","1","7","1","1") = "6"
    & skf21("4","2","2","1","1","7","2","1") = "6"
    & skf21("4","2","2","1","1","7","3","1") = "6"
    & skf21("4","2","2","1","1","7","4","1") = "6"
    & skf21("4","2","2","1","1","7","5","1") = "6"
    & skf21("4","2","2","1","1","7","6","1") = "6"
    & skf21("4","2","2","1","1","7","7","1") = "6"
    & skf21("4","2","2","1","2","1","1","1") = "3"
    & skf21("4","2","2","1","2","1","2","1") = "3"
    & skf21("4","2","2","1","2","1","3","1") = "3"
    & skf21("4","2","2","1","2","1","4","1") = "3"
    & skf21("4","2","2","1","2","1","5","1") = "4"
    & skf21("4","2","2","1","2","1","6","1") = "5"
    & skf21("4","2","2","1","2","1","7","1") = "6"
    & skf21("4","2","2","1","2","2","1","1") = "3"
    & skf21("4","2","2","1","2","2","2","1") = "3"
    & skf21("4","2","2","1","2","2","3","1") = "3"
    & skf21("4","2","2","1","2","2","4","1") = "3"
    & skf21("4","2","2","1","2","2","5","1") = "4"
    & skf21("4","2","2","1","2","2","6","1") = "5"
    & skf21("4","2","2","1","2","2","7","1") = "6"
    & skf21("4","2","2","1","2","3","1","1") = "3"
    & skf21("4","2","2","1","2","3","2","1") = "3"
    & skf21("4","2","2","1","2","3","3","1") = "3"
    & skf21("4","2","2","1","2","3","4","1") = "3"
    & skf21("4","2","2","1","2","3","5","1") = "4"
    & skf21("4","2","2","1","2","3","6","1") = "5"
    & skf21("4","2","2","1","2","3","7","1") = "6"
    & skf21("4","2","2","1","2","4","1","1") = "3"
    & skf21("4","2","2","1","2","4","2","1") = "3"
    & skf21("4","2","2","1","2","4","3","1") = "3"
    & skf21("4","2","2","1","2","4","4","1") = "3"
    & skf21("4","2","2","1","2","4","5","1") = "4"
    & skf21("4","2","2","1","2","4","6","1") = "5"
    & skf21("4","2","2","1","2","4","7","1") = "6"
    & skf21("4","2","2","1","2","5","1","1") = "4"
    & skf21("4","2","2","1","2","5","2","1") = "4"
    & skf21("4","2","2","1","2","5","3","1") = "4"
    & skf21("4","2","2","1","2","5","4","1") = "4"
    & skf21("4","2","2","1","2","5","5","1") = "4"
    & skf21("4","2","2","1","2","5","6","1") = "5"
    & skf21("4","2","2","1","2","5","7","1") = "6"
    & skf21("4","2","2","1","2","6","1","1") = "5"
    & skf21("4","2","2","1","2","6","2","1") = "5"
    & skf21("4","2","2","1","2","6","3","1") = "5"
    & skf21("4","2","2","1","2","6","4","1") = "5"
    & skf21("4","2","2","1","2","6","5","1") = "5"
    & skf21("4","2","2","1","2","6","6","1") = "5"
    & skf21("4","2","2","1","2","6","7","1") = "6"
    & skf21("4","2","2","1","2","7","1","1") = "6"
    & skf21("4","2","2","1","2","7","2","1") = "6"
    & skf21("4","2","2","1","2","7","3","1") = "6"
    & skf21("4","2","2","1","2","7","4","1") = "6"
    & skf21("4","2","2","1","2","7","5","1") = "6"
    & skf21("4","2","2","1","2","7","6","1") = "6"
    & skf21("4","2","2","1","2","7","7","1") = "6"
    & skf21("4","2","2","1","3","1","1","1") = "3"
    & skf21("4","2","2","1","3","1","2","1") = "3"
    & skf21("4","2","2","1","3","1","3","1") = "3"
    & skf21("4","2","2","1","3","1","4","1") = "3"
    & skf21("4","2","2","1","3","1","5","1") = "4"
    & skf21("4","2","2","1","3","1","6","1") = "5"
    & skf21("4","2","2","1","3","1","7","1") = "6"
    & skf21("4","2","2","1","3","2","1","1") = "3"
    & skf21("4","2","2","1","3","2","2","1") = "3"
    & skf21("4","2","2","1","3","2","3","1") = "3"
    & skf21("4","2","2","1","3","2","4","1") = "3"
    & skf21("4","2","2","1","3","2","5","1") = "4"
    & skf21("4","2","2","1","3","2","6","1") = "5"
    & skf21("4","2","2","1","3","2","7","1") = "6"
    & skf21("4","2","2","1","3","3","1","1") = "3"
    & skf21("4","2","2","1","3","3","2","1") = "3"
    & skf21("4","2","2","1","3","3","3","1") = "3"
    & skf21("4","2","2","1","3","3","4","1") = "3"
    & skf21("4","2","2","1","3","3","5","1") = "4"
    & skf21("4","2","2","1","3","3","6","1") = "5"
    & skf21("4","2","2","1","3","3","7","1") = "6"
    & skf21("4","2","2","1","3","4","1","1") = "3"
    & skf21("4","2","2","1","3","4","2","1") = "3"
    & skf21("4","2","2","1","3","4","3","1") = "3"
    & skf21("4","2","2","1","3","4","4","1") = "3"
    & skf21("4","2","2","1","3","4","5","1") = "4"
    & skf21("4","2","2","1","3","4","6","1") = "5"
    & skf21("4","2","2","1","3","4","7","1") = "6"
    & skf21("4","2","2","1","3","5","1","1") = "4"
    & skf21("4","2","2","1","3","5","2","1") = "4"
    & skf21("4","2","2","1","3","5","3","1") = "4"
    & skf21("4","2","2","1","3","5","4","1") = "4"
    & skf21("4","2","2","1","3","5","5","1") = "4"
    & skf21("4","2","2","1","3","5","6","1") = "5"
    & skf21("4","2","2","1","3","5","7","1") = "6"
    & skf21("4","2","2","1","3","6","1","1") = "5"
    & skf21("4","2","2","1","3","6","2","1") = "5"
    & skf21("4","2","2","1","3","6","3","1") = "5"
    & skf21("4","2","2","1","3","6","4","1") = "5"
    & skf21("4","2","2","1","3","6","5","1") = "5"
    & skf21("4","2","2","1","3","6","6","1") = "5"
    & skf21("4","2","2","1","3","6","7","1") = "6"
    & skf21("4","2","2","1","3","7","1","1") = "6"
    & skf21("4","2","2","1","3","7","2","1") = "6"
    & skf21("4","2","2","1","3","7","3","1") = "6"
    & skf21("4","2","2","1","3","7","4","1") = "6"
    & skf21("4","2","2","1","3","7","5","1") = "6"
    & skf21("4","2","2","1","3","7","6","1") = "6"
    & skf21("4","2","2","1","3","7","7","1") = "6"
    & skf21("4","2","2","1","4","1","1","1") = "3"
    & skf21("4","2","2","1","4","1","2","1") = "3"
    & skf21("4","2","2","1","4","1","3","1") = "3"
    & skf21("4","2","2","1","4","1","4","1") = "3"
    & skf21("4","2","2","1","4","1","5","1") = "4"
    & skf21("4","2","2","1","4","1","6","1") = "5"
    & skf21("4","2","2","1","4","1","7","1") = "6"
    & skf21("4","2","2","1","4","2","1","1") = "3"
    & skf21("4","2","2","1","4","2","2","1") = "3"
    & skf21("4","2","2","1","4","2","3","1") = "3"
    & skf21("4","2","2","1","4","2","4","1") = "3"
    & skf21("4","2","2","1","4","2","5","1") = "4"
    & skf21("4","2","2","1","4","2","6","1") = "5"
    & skf21("4","2","2","1","4","2","7","1") = "6"
    & skf21("4","2","2","1","4","3","1","1") = "3"
    & skf21("4","2","2","1","4","3","2","1") = "3"
    & skf21("4","2","2","1","4","3","3","1") = "3"
    & skf21("4","2","2","1","4","3","4","1") = "3"
    & skf21("4","2","2","1","4","3","5","1") = "4"
    & skf21("4","2","2","1","4","3","6","1") = "5"
    & skf21("4","2","2","1","4","3","7","1") = "6"
    & skf21("4","2","2","1","4","4","1","1") = "3"
    & skf21("4","2","2","1","4","4","2","1") = "3"
    & skf21("4","2","2","1","4","4","3","1") = "3"
    & skf21("4","2","2","1","4","4","4","1") = "3"
    & skf21("4","2","2","1","4","4","5","1") = "4"
    & skf21("4","2","2","1","4","4","6","1") = "5"
    & skf21("4","2","2","1","4","4","7","1") = "6"
    & skf21("4","2","2","1","4","5","1","1") = "4"
    & skf21("4","2","2","1","4","5","2","1") = "4"
    & skf21("4","2","2","1","4","5","3","1") = "4"
    & skf21("4","2","2","1","4","5","4","1") = "4"
    & skf21("4","2","2","1","4","5","5","1") = "4"
    & skf21("4","2","2","1","4","5","6","1") = "5"
    & skf21("4","2","2","1","4","5","7","1") = "6"
    & skf21("4","2","2","1","4","6","1","1") = "5"
    & skf21("4","2","2","1","4","6","2","1") = "5"
    & skf21("4","2","2","1","4","6","3","1") = "5"
    & skf21("4","2","2","1","4","6","4","1") = "5"
    & skf21("4","2","2","1","4","6","5","1") = "5"
    & skf21("4","2","2","1","4","6","6","1") = "5"
    & skf21("4","2","2","1","4","6","7","1") = "6"
    & skf21("4","2","2","1","4","7","1","1") = "6"
    & skf21("4","2","2","1","4","7","2","1") = "6"
    & skf21("4","2","2","1","4","7","3","1") = "6"
    & skf21("4","2","2","1","4","7","4","1") = "6"
    & skf21("4","2","2","1","4","7","5","1") = "6"
    & skf21("4","2","2","1","4","7","6","1") = "6"
    & skf21("4","2","2","1","4","7","7","1") = "6"
    & skf21("4","2","2","1","5","1","1","1") = "4"
    & skf21("4","2","2","1","5","1","2","1") = "4"
    & skf21("4","2","2","1","5","1","3","1") = "4"
    & skf21("4","2","2","1","5","1","4","1") = "4"
    & skf21("4","2","2","1","5","1","5","1") = "4"
    & skf21("4","2","2","1","5","1","6","1") = "5"
    & skf21("4","2","2","1","5","1","7","1") = "6"
    & skf21("4","2","2","1","5","2","1","1") = "4"
    & skf21("4","2","2","1","5","2","2","1") = "4"
    & skf21("4","2","2","1","5","2","3","1") = "4"
    & skf21("4","2","2","1","5","2","4","1") = "4"
    & skf21("4","2","2","1","5","2","5","1") = "4"
    & skf21("4","2","2","1","5","2","6","1") = "5"
    & skf21("4","2","2","1","5","2","7","1") = "6"
    & skf21("4","2","2","1","5","3","1","1") = "4"
    & skf21("4","2","2","1","5","3","2","1") = "4"
    & skf21("4","2","2","1","5","3","3","1") = "4"
    & skf21("4","2","2","1","5","3","4","1") = "4"
    & skf21("4","2","2","1","5","3","5","1") = "4"
    & skf21("4","2","2","1","5","3","6","1") = "5"
    & skf21("4","2","2","1","5","3","7","1") = "6"
    & skf21("4","2","2","1","5","4","1","1") = "4"
    & skf21("4","2","2","1","5","4","2","1") = "4"
    & skf21("4","2","2","1","5","4","3","1") = "4"
    & skf21("4","2","2","1","5","4","4","1") = "4"
    & skf21("4","2","2","1","5","4","5","1") = "4"
    & skf21("4","2","2","1","5","4","6","1") = "5"
    & skf21("4","2","2","1","5","4","7","1") = "6"
    & skf21("4","2","2","1","5","5","1","1") = "4"
    & skf21("4","2","2","1","5","5","2","1") = "4"
    & skf21("4","2","2","1","5","5","3","1") = "4"
    & skf21("4","2","2","1","5","5","4","1") = "4"
    & skf21("4","2","2","1","5","5","5","1") = "4"
    & skf21("4","2","2","1","5","5","6","1") = "5"
    & skf21("4","2","2","1","5","5","7","1") = "6"
    & skf21("4","2","2","1","5","6","1","1") = "5"
    & skf21("4","2","2","1","5","6","2","1") = "5"
    & skf21("4","2","2","1","5","6","3","1") = "5"
    & skf21("4","2","2","1","5","6","4","1") = "5"
    & skf21("4","2","2","1","5","6","5","1") = "5"
    & skf21("4","2","2","1","5","6","6","1") = "5"
    & skf21("4","2","2","1","5","6","7","1") = "6"
    & skf21("4","2","2","1","5","7","1","1") = "6"
    & skf21("4","2","2","1","5","7","2","1") = "6"
    & skf21("4","2","2","1","5","7","3","1") = "6"
    & skf21("4","2","2","1","5","7","4","1") = "6"
    & skf21("4","2","2","1","5","7","5","1") = "6"
    & skf21("4","2","2","1","5","7","6","1") = "6"
    & skf21("4","2","2","1","5","7","7","1") = "6"
    & skf21("4","2","2","1","6","1","1","1") = "5"
    & skf21("4","2","2","1","6","1","2","1") = "5"
    & skf21("4","2","2","1","6","1","3","1") = "5"
    & skf21("4","2","2","1","6","1","4","1") = "5"
    & skf21("4","2","2","1","6","1","5","1") = "5"
    & skf21("4","2","2","1","6","1","6","1") = "5"
    & skf21("4","2","2","1","6","1","7","1") = "6"
    & skf21("4","2","2","1","6","2","1","1") = "5"
    & skf21("4","2","2","1","6","2","2","1") = "5"
    & skf21("4","2","2","1","6","2","3","1") = "5"
    & skf21("4","2","2","1","6","2","4","1") = "5"
    & skf21("4","2","2","1","6","2","5","1") = "5"
    & skf21("4","2","2","1","6","2","6","1") = "5"
    & skf21("4","2","2","1","6","2","7","1") = "6"
    & skf21("4","2","2","1","6","3","1","1") = "5"
    & skf21("4","2","2","1","6","3","2","1") = "5"
    & skf21("4","2","2","1","6","3","3","1") = "5"
    & skf21("4","2","2","1","6","3","4","1") = "5"
    & skf21("4","2","2","1","6","3","5","1") = "5"
    & skf21("4","2","2","1","6","3","6","1") = "5"
    & skf21("4","2","2","1","6","3","7","1") = "6"
    & skf21("4","2","2","1","6","4","1","1") = "5"
    & skf21("4","2","2","1","6","4","2","1") = "5"
    & skf21("4","2","2","1","6","4","3","1") = "5"
    & skf21("4","2","2","1","6","4","4","1") = "5"
    & skf21("4","2","2","1","6","4","5","1") = "5"
    & skf21("4","2","2","1","6","4","6","1") = "5"
    & skf21("4","2","2","1","6","4","7","1") = "6"
    & skf21("4","2","2","1","6","5","1","1") = "5"
    & skf21("4","2","2","1","6","5","2","1") = "5"
    & skf21("4","2","2","1","6","5","3","1") = "5"
    & skf21("4","2","2","1","6","5","4","1") = "5"
    & skf21("4","2","2","1","6","5","5","1") = "5"
    & skf21("4","2","2","1","6","5","6","1") = "5"
    & skf21("4","2","2","1","6","5","7","1") = "6"
    & skf21("4","2","2","1","6","6","1","1") = "5"
    & skf21("4","2","2","1","6","6","2","1") = "5"
    & skf21("4","2","2","1","6","6","3","1") = "5"
    & skf21("4","2","2","1","6","6","4","1") = "5"
    & skf21("4","2","2","1","6","6","5","1") = "5"
    & skf21("4","2","2","1","6","6","6","1") = "5"
    & skf21("4","2","2","1","6","6","7","1") = "6"
    & skf21("4","2","2","1","6","7","1","1") = "6"
    & skf21("4","2","2","1","6","7","2","1") = "6"
    & skf21("4","2","2","1","6","7","3","1") = "6"
    & skf21("4","2","2","1","6","7","4","1") = "6"
    & skf21("4","2","2","1","6","7","5","1") = "6"
    & skf21("4","2","2","1","6","7","6","1") = "6"
    & skf21("4","2","2","1","6","7","7","1") = "6"
    & skf21("4","2","2","1","7","1","1","1") = "6"
    & skf21("4","2","2","1","7","1","2","1") = "6"
    & skf21("4","2","2","1","7","1","3","1") = "6"
    & skf21("4","2","2","1","7","1","4","1") = "6"
    & skf21("4","2","2","1","7","1","5","1") = "6"
    & skf21("4","2","2","1","7","1","6","1") = "6"
    & skf21("4","2","2","1","7","1","7","1") = "6"
    & skf21("4","2","2","1","7","2","1","1") = "6"
    & skf21("4","2","2","1","7","2","2","1") = "6"
    & skf21("4","2","2","1","7","2","3","1") = "6"
    & skf21("4","2","2","1","7","2","4","1") = "6"
    & skf21("4","2","2","1","7","2","5","1") = "6"
    & skf21("4","2","2","1","7","2","6","1") = "6"
    & skf21("4","2","2","1","7","2","7","1") = "6"
    & skf21("4","2","2","1","7","3","1","1") = "6"
    & skf21("4","2","2","1","7","3","2","1") = "6"
    & skf21("4","2","2","1","7","3","3","1") = "6"
    & skf21("4","2","2","1","7","3","4","1") = "6"
    & skf21("4","2","2","1","7","3","5","1") = "6"
    & skf21("4","2","2","1","7","3","6","1") = "6"
    & skf21("4","2","2","1","7","3","7","1") = "6"
    & skf21("4","2","2","1","7","4","1","1") = "6"
    & skf21("4","2","2","1","7","4","2","1") = "6"
    & skf21("4","2","2","1","7","4","3","1") = "6"
    & skf21("4","2","2","1","7","4","4","1") = "6"
    & skf21("4","2","2","1","7","4","5","1") = "6"
    & skf21("4","2","2","1","7","4","6","1") = "6"
    & skf21("4","2","2","1","7","4","7","1") = "6"
    & skf21("4","2","2","1","7","5","1","1") = "6"
    & skf21("4","2","2","1","7","5","2","1") = "6"
    & skf21("4","2","2","1","7","5","3","1") = "6"
    & skf21("4","2","2","1","7","5","4","1") = "6"
    & skf21("4","2","2","1","7","5","5","1") = "6"
    & skf21("4","2","2","1","7","5","6","1") = "6"
    & skf21("4","2","2","1","7","5","7","1") = "6"
    & skf21("4","2","2","1","7","6","1","1") = "6"
    & skf21("4","2","2","1","7","6","2","1") = "6"
    & skf21("4","2","2","1","7","6","3","1") = "6"
    & skf21("4","2","2","1","7","6","4","1") = "6"
    & skf21("4","2","2","1","7","6","5","1") = "6"
    & skf21("4","2","2","1","7","6","6","1") = "6"
    & skf21("4","2","2","1","7","6","7","1") = "6"
    & skf21("4","2","2","1","7","7","1","1") = "6"
    & skf21("4","2","2","1","7","7","2","1") = "6"
    & skf21("4","2","2","1","7","7","3","1") = "6"
    & skf21("4","2","2","1","7","7","4","1") = "6"
    & skf21("4","2","2","1","7","7","5","1") = "6"
    & skf21("4","2","2","1","7","7","6","1") = "6"
    & skf21("4","2","2","1","7","7","7","1") = "6"
    & skf21("4","2","2","2","1","1","1","1") = "3"
    & skf21("4","2","2","2","1","1","2","1") = "3"
    & skf21("4","2","2","2","1","1","3","1") = "3"
    & skf21("4","2","2","2","1","1","4","1") = "3"
    & skf21("4","2","2","2","1","1","5","1") = "4"
    & skf21("4","2","2","2","1","1","6","1") = "5"
    & skf21("4","2","2","2","1","1","7","1") = "6"
    & skf21("4","2","2","2","1","2","1","1") = "3"
    & skf21("4","2","2","2","1","2","2","1") = "3"
    & skf21("4","2","2","2","1","2","3","1") = "3"
    & skf21("4","2","2","2","1","2","4","1") = "3"
    & skf21("4","2","2","2","1","2","5","1") = "4"
    & skf21("4","2","2","2","1","2","6","1") = "5"
    & skf21("4","2","2","2","1","2","7","1") = "6"
    & skf21("4","2","2","2","1","3","1","1") = "3"
    & skf21("4","2","2","2","1","3","2","1") = "3"
    & skf21("4","2","2","2","1","3","3","1") = "3"
    & skf21("4","2","2","2","1","3","4","1") = "3"
    & skf21("4","2","2","2","1","3","5","1") = "4"
    & skf21("4","2","2","2","1","3","6","1") = "5"
    & skf21("4","2","2","2","1","3","7","1") = "6"
    & skf21("4","2","2","2","1","4","1","1") = "3"
    & skf21("4","2","2","2","1","4","2","1") = "3"
    & skf21("4","2","2","2","1","4","3","1") = "3"
    & skf21("4","2","2","2","1","4","4","1") = "3"
    & skf21("4","2","2","2","1","4","5","1") = "4"
    & skf21("4","2","2","2","1","4","6","1") = "5"
    & skf21("4","2","2","2","1","4","7","1") = "6"
    & skf21("4","2","2","2","1","5","1","1") = "4"
    & skf21("4","2","2","2","1","5","2","1") = "4"
    & skf21("4","2","2","2","1","5","3","1") = "4"
    & skf21("4","2","2","2","1","5","4","1") = "4"
    & skf21("4","2","2","2","1","5","5","1") = "4"
    & skf21("4","2","2","2","1","5","6","1") = "5"
    & skf21("4","2","2","2","1","5","7","1") = "6"
    & skf21("4","2","2","2","1","6","1","1") = "5"
    & skf21("4","2","2","2","1","6","2","1") = "5"
    & skf21("4","2","2","2","1","6","3","1") = "5"
    & skf21("4","2","2","2","1","6","4","1") = "5"
    & skf21("4","2","2","2","1","6","5","1") = "5"
    & skf21("4","2","2","2","1","6","6","1") = "5"
    & skf21("4","2","2","2","1","6","7","1") = "6"
    & skf21("4","2","2","2","1","7","1","1") = "6"
    & skf21("4","2","2","2","1","7","2","1") = "6"
    & skf21("4","2","2","2","1","7","3","1") = "6"
    & skf21("4","2","2","2","1","7","4","1") = "6"
    & skf21("4","2","2","2","1","7","5","1") = "6"
    & skf21("4","2","2","2","1","7","6","1") = "6"
    & skf21("4","2","2","2","1","7","7","1") = "6"
    & skf21("4","2","2","2","2","1","1","1") = "3"
    & skf21("4","2","2","2","2","1","2","1") = "3"
    & skf21("4","2","2","2","2","1","3","1") = "3"
    & skf21("4","2","2","2","2","1","4","1") = "3"
    & skf21("4","2","2","2","2","1","5","1") = "4"
    & skf21("4","2","2","2","2","1","6","1") = "5"
    & skf21("4","2","2","2","2","1","7","1") = "6"
    & skf21("4","2","2","2","2","2","1","1") = "3"
    & skf21("4","2","2","2","2","2","2","1") = "3"
    & skf21("4","2","2","2","2","2","3","1") = "3"
    & skf21("4","2","2","2","2","2","4","1") = "3"
    & skf21("4","2","2","2","2","2","5","1") = "4"
    & skf21("4","2","2","2","2","2","6","1") = "5"
    & skf21("4","2","2","2","2","2","7","1") = "6"
    & skf21("4","2","2","2","2","3","1","1") = "3"
    & skf21("4","2","2","2","2","3","2","1") = "3"
    & skf21("4","2","2","2","2","3","3","1") = "3"
    & skf21("4","2","2","2","2","3","4","1") = "3"
    & skf21("4","2","2","2","2","3","5","1") = "4"
    & skf21("4","2","2","2","2","3","6","1") = "5"
    & skf21("4","2","2","2","2","3","7","1") = "6"
    & skf21("4","2","2","2","2","4","1","1") = "3"
    & skf21("4","2","2","2","2","4","2","1") = "3"
    & skf21("4","2","2","2","2","4","3","1") = "3"
    & skf21("4","2","2","2","2","4","4","1") = "3"
    & skf21("4","2","2","2","2","4","5","1") = "4"
    & skf21("4","2","2","2","2","4","6","1") = "5"
    & skf21("4","2","2","2","2","4","7","1") = "6"
    & skf21("4","2","2","2","2","5","1","1") = "4"
    & skf21("4","2","2","2","2","5","2","1") = "4"
    & skf21("4","2","2","2","2","5","3","1") = "4"
    & skf21("4","2","2","2","2","5","4","1") = "4"
    & skf21("4","2","2","2","2","5","5","1") = "4"
    & skf21("4","2","2","2","2","5","6","1") = "5"
    & skf21("4","2","2","2","2","5","7","1") = "6"
    & skf21("4","2","2","2","2","6","1","1") = "5"
    & skf21("4","2","2","2","2","6","2","1") = "5"
    & skf21("4","2","2","2","2","6","3","1") = "5"
    & skf21("4","2","2","2","2","6","4","1") = "5"
    & skf21("4","2","2","2","2","6","5","1") = "5"
    & skf21("4","2","2","2","2","6","6","1") = "5"
    & skf21("4","2","2","2","2","6","7","1") = "6"
    & skf21("4","2","2","2","2","7","1","1") = "6"
    & skf21("4","2","2","2","2","7","2","1") = "6"
    & skf21("4","2","2","2","2","7","3","1") = "6"
    & skf21("4","2","2","2","2","7","4","1") = "6"
    & skf21("4","2","2","2","2","7","5","1") = "6"
    & skf21("4","2","2","2","2","7","6","1") = "6"
    & skf21("4","2","2","2","2","7","7","1") = "6"
    & skf21("4","2","2","2","3","1","1","1") = "3"
    & skf21("4","2","2","2","3","1","2","1") = "3"
    & skf21("4","2","2","2","3","1","3","1") = "3"
    & skf21("4","2","2","2","3","1","4","1") = "3"
    & skf21("4","2","2","2","3","1","5","1") = "4"
    & skf21("4","2","2","2","3","1","6","1") = "5"
    & skf21("4","2","2","2","3","1","7","1") = "6"
    & skf21("4","2","2","2","3","2","1","1") = "3"
    & skf21("4","2","2","2","3","2","2","1") = "3"
    & skf21("4","2","2","2","3","2","3","1") = "3"
    & skf21("4","2","2","2","3","2","4","1") = "3"
    & skf21("4","2","2","2","3","2","5","1") = "4"
    & skf21("4","2","2","2","3","2","6","1") = "5"
    & skf21("4","2","2","2","3","2","7","1") = "6"
    & skf21("4","2","2","2","3","3","1","1") = "3"
    & skf21("4","2","2","2","3","3","2","1") = "3"
    & skf21("4","2","2","2","3","3","3","1") = "3"
    & skf21("4","2","2","2","3","3","4","1") = "3"
    & skf21("4","2","2","2","3","3","5","1") = "4"
    & skf21("4","2","2","2","3","3","6","1") = "5"
    & skf21("4","2","2","2","3","3","7","1") = "6"
    & skf21("4","2","2","2","3","4","1","1") = "3"
    & skf21("4","2","2","2","3","4","2","1") = "3"
    & skf21("4","2","2","2","3","4","3","1") = "3"
    & skf21("4","2","2","2","3","4","4","1") = "3"
    & skf21("4","2","2","2","3","4","5","1") = "4"
    & skf21("4","2","2","2","3","4","6","1") = "5"
    & skf21("4","2","2","2","3","4","7","1") = "6"
    & skf21("4","2","2","2","3","5","1","1") = "4"
    & skf21("4","2","2","2","3","5","2","1") = "4"
    & skf21("4","2","2","2","3","5","3","1") = "4"
    & skf21("4","2","2","2","3","5","4","1") = "4"
    & skf21("4","2","2","2","3","5","5","1") = "4"
    & skf21("4","2","2","2","3","5","6","1") = "5"
    & skf21("4","2","2","2","3","5","7","1") = "6"
    & skf21("4","2","2","2","3","6","1","1") = "5"
    & skf21("4","2","2","2","3","6","2","1") = "5"
    & skf21("4","2","2","2","3","6","3","1") = "5"
    & skf21("4","2","2","2","3","6","4","1") = "5"
    & skf21("4","2","2","2","3","6","5","1") = "5"
    & skf21("4","2","2","2","3","6","6","1") = "5"
    & skf21("4","2","2","2","3","6","7","1") = "6"
    & skf21("4","2","2","2","3","7","1","1") = "6"
    & skf21("4","2","2","2","3","7","2","1") = "6"
    & skf21("4","2","2","2","3","7","3","1") = "6"
    & skf21("4","2","2","2","3","7","4","1") = "6"
    & skf21("4","2","2","2","3","7","5","1") = "6"
    & skf21("4","2","2","2","3","7","6","1") = "6"
    & skf21("4","2","2","2","3","7","7","1") = "6"
    & skf21("4","2","2","2","4","1","1","1") = "3"
    & skf21("4","2","2","2","4","1","2","1") = "3"
    & skf21("4","2","2","2","4","1","3","1") = "3"
    & skf21("4","2","2","2","4","1","4","1") = "3"
    & skf21("4","2","2","2","4","1","5","1") = "4"
    & skf21("4","2","2","2","4","1","6","1") = "5"
    & skf21("4","2","2","2","4","1","7","1") = "6"
    & skf21("4","2","2","2","4","2","1","1") = "3"
    & skf21("4","2","2","2","4","2","2","1") = "3"
    & skf21("4","2","2","2","4","2","3","1") = "3"
    & skf21("4","2","2","2","4","2","4","1") = "3"
    & skf21("4","2","2","2","4","2","5","1") = "4"
    & skf21("4","2","2","2","4","2","6","1") = "5"
    & skf21("4","2","2","2","4","2","7","1") = "6"
    & skf21("4","2","2","2","4","3","1","1") = "3"
    & skf21("4","2","2","2","4","3","2","1") = "3"
    & skf21("4","2","2","2","4","3","3","1") = "3"
    & skf21("4","2","2","2","4","3","4","1") = "3"
    & skf21("4","2","2","2","4","3","5","1") = "4"
    & skf21("4","2","2","2","4","3","6","1") = "5"
    & skf21("4","2","2","2","4","3","7","1") = "6"
    & skf21("4","2","2","2","4","4","1","1") = "3"
    & skf21("4","2","2","2","4","4","2","1") = "3"
    & skf21("4","2","2","2","4","4","3","1") = "3"
    & skf21("4","2","2","2","4","4","4","1") = "3"
    & skf21("4","2","2","2","4","4","5","1") = "4"
    & skf21("4","2","2","2","4","4","6","1") = "5"
    & skf21("4","2","2","2","4","4","7","1") = "6"
    & skf21("4","2","2","2","4","5","1","1") = "4"
    & skf21("4","2","2","2","4","5","2","1") = "4"
    & skf21("4","2","2","2","4","5","3","1") = "4"
    & skf21("4","2","2","2","4","5","4","1") = "4"
    & skf21("4","2","2","2","4","5","5","1") = "4"
    & skf21("4","2","2","2","4","5","6","1") = "5"
    & skf21("4","2","2","2","4","5","7","1") = "6"
    & skf21("4","2","2","2","4","6","1","1") = "5"
    & skf21("4","2","2","2","4","6","2","1") = "5"
    & skf21("4","2","2","2","4","6","3","1") = "5"
    & skf21("4","2","2","2","4","6","4","1") = "5"
    & skf21("4","2","2","2","4","6","5","1") = "5"
    & skf21("4","2","2","2","4","6","6","1") = "5"
    & skf21("4","2","2","2","4","6","7","1") = "6"
    & skf21("4","2","2","2","4","7","1","1") = "6"
    & skf21("4","2","2","2","4","7","2","1") = "6"
    & skf21("4","2","2","2","4","7","3","1") = "6"
    & skf21("4","2","2","2","4","7","4","1") = "6"
    & skf21("4","2","2","2","4","7","5","1") = "6"
    & skf21("4","2","2","2","4","7","6","1") = "6"
    & skf21("4","2","2","2","4","7","7","1") = "6"
    & skf21("4","2","2","2","5","1","1","1") = "4"
    & skf21("4","2","2","2","5","1","2","1") = "4"
    & skf21("4","2","2","2","5","1","3","1") = "4"
    & skf21("4","2","2","2","5","1","4","1") = "4"
    & skf21("4","2","2","2","5","1","5","1") = "4"
    & skf21("4","2","2","2","5","1","6","1") = "5"
    & skf21("4","2","2","2","5","1","7","1") = "6"
    & skf21("4","2","2","2","5","2","1","1") = "4"
    & skf21("4","2","2","2","5","2","2","1") = "4"
    & skf21("4","2","2","2","5","2","3","1") = "4"
    & skf21("4","2","2","2","5","2","4","1") = "4"
    & skf21("4","2","2","2","5","2","5","1") = "4"
    & skf21("4","2","2","2","5","2","6","1") = "5"
    & skf21("4","2","2","2","5","2","7","1") = "6"
    & skf21("4","2","2","2","5","3","1","1") = "4"
    & skf21("4","2","2","2","5","3","2","1") = "4"
    & skf21("4","2","2","2","5","3","3","1") = "4"
    & skf21("4","2","2","2","5","3","4","1") = "4"
    & skf21("4","2","2","2","5","3","5","1") = "4"
    & skf21("4","2","2","2","5","3","6","1") = "5"
    & skf21("4","2","2","2","5","3","7","1") = "6"
    & skf21("4","2","2","2","5","4","1","1") = "4"
    & skf21("4","2","2","2","5","4","2","1") = "4"
    & skf21("4","2","2","2","5","4","3","1") = "4"
    & skf21("4","2","2","2","5","4","4","1") = "4"
    & skf21("4","2","2","2","5","4","5","1") = "4"
    & skf21("4","2","2","2","5","4","6","1") = "5"
    & skf21("4","2","2","2","5","4","7","1") = "6"
    & skf21("4","2","2","2","5","5","1","1") = "4"
    & skf21("4","2","2","2","5","5","2","1") = "4"
    & skf21("4","2","2","2","5","5","3","1") = "4"
    & skf21("4","2","2","2","5","5","4","1") = "4"
    & skf21("4","2","2","2","5","5","5","1") = "4"
    & skf21("4","2","2","2","5","5","6","1") = "5"
    & skf21("4","2","2","2","5","5","7","1") = "6"
    & skf21("4","2","2","2","5","6","1","1") = "5"
    & skf21("4","2","2","2","5","6","2","1") = "5"
    & skf21("4","2","2","2","5","6","3","1") = "5"
    & skf21("4","2","2","2","5","6","4","1") = "5"
    & skf21("4","2","2","2","5","6","5","1") = "5"
    & skf21("4","2","2","2","5","6","6","1") = "5"
    & skf21("4","2","2","2","5","6","7","1") = "6"
    & skf21("4","2","2","2","5","7","1","1") = "6"
    & skf21("4","2","2","2","5","7","2","1") = "6"
    & skf21("4","2","2","2","5","7","3","1") = "6"
    & skf21("4","2","2","2","5","7","4","1") = "6"
    & skf21("4","2","2","2","5","7","5","1") = "6"
    & skf21("4","2","2","2","5","7","6","1") = "6"
    & skf21("4","2","2","2","5","7","7","1") = "6"
    & skf21("4","2","2","2","6","1","1","1") = "5"
    & skf21("4","2","2","2","6","1","2","1") = "5"
    & skf21("4","2","2","2","6","1","3","1") = "5"
    & skf21("4","2","2","2","6","1","4","1") = "5"
    & skf21("4","2","2","2","6","1","5","1") = "5"
    & skf21("4","2","2","2","6","1","6","1") = "5"
    & skf21("4","2","2","2","6","1","7","1") = "6"
    & skf21("4","2","2","2","6","2","1","1") = "5"
    & skf21("4","2","2","2","6","2","2","1") = "5"
    & skf21("4","2","2","2","6","2","3","1") = "5"
    & skf21("4","2","2","2","6","2","4","1") = "5"
    & skf21("4","2","2","2","6","2","5","1") = "5"
    & skf21("4","2","2","2","6","2","6","1") = "5"
    & skf21("4","2","2","2","6","2","7","1") = "6"
    & skf21("4","2","2","2","6","3","1","1") = "5"
    & skf21("4","2","2","2","6","3","2","1") = "5"
    & skf21("4","2","2","2","6","3","3","1") = "5"
    & skf21("4","2","2","2","6","3","4","1") = "5"
    & skf21("4","2","2","2","6","3","5","1") = "5"
    & skf21("4","2","2","2","6","3","6","1") = "5"
    & skf21("4","2","2","2","6","3","7","1") = "6"
    & skf21("4","2","2","2","6","4","1","1") = "5"
    & skf21("4","2","2","2","6","4","2","1") = "5"
    & skf21("4","2","2","2","6","4","3","1") = "5"
    & skf21("4","2","2","2","6","4","4","1") = "5"
    & skf21("4","2","2","2","6","4","5","1") = "5"
    & skf21("4","2","2","2","6","4","6","1") = "5"
    & skf21("4","2","2","2","6","4","7","1") = "6"
    & skf21("4","2","2","2","6","5","1","1") = "5"
    & skf21("4","2","2","2","6","5","2","1") = "5"
    & skf21("4","2","2","2","6","5","3","1") = "5"
    & skf21("4","2","2","2","6","5","4","1") = "5"
    & skf21("4","2","2","2","6","5","5","1") = "5"
    & skf21("4","2","2","2","6","5","6","1") = "5"
    & skf21("4","2","2","2","6","5","7","1") = "6"
    & skf21("4","2","2","2","6","6","1","1") = "5"
    & skf21("4","2","2","2","6","6","2","1") = "5"
    & skf21("4","2","2","2","6","6","3","1") = "5"
    & skf21("4","2","2","2","6","6","4","1") = "5"
    & skf21("4","2","2","2","6","6","5","1") = "5"
    & skf21("4","2","2","2","6","6","6","1") = "5"
    & skf21("4","2","2","2","6","6","7","1") = "6"
    & skf21("4","2","2","2","6","7","1","1") = "6"
    & skf21("4","2","2","2","6","7","2","1") = "6"
    & skf21("4","2","2","2","6","7","3","1") = "6"
    & skf21("4","2","2","2","6","7","4","1") = "6"
    & skf21("4","2","2","2","6","7","5","1") = "6"
    & skf21("4","2","2","2","6","7","6","1") = "6"
    & skf21("4","2","2","2","6","7","7","1") = "6"
    & skf21("4","2","2","2","7","1","1","1") = "6"
    & skf21("4","2","2","2","7","1","2","1") = "6"
    & skf21("4","2","2","2","7","1","3","1") = "6"
    & skf21("4","2","2","2","7","1","4","1") = "6"
    & skf21("4","2","2","2","7","1","5","1") = "6"
    & skf21("4","2","2","2","7","1","6","1") = "6"
    & skf21("4","2","2","2","7","1","7","1") = "6"
    & skf21("4","2","2","2","7","2","1","1") = "6"
    & skf21("4","2","2","2","7","2","2","1") = "6"
    & skf21("4","2","2","2","7","2","3","1") = "6"
    & skf21("4","2","2","2","7","2","4","1") = "6"
    & skf21("4","2","2","2","7","2","5","1") = "6"
    & skf21("4","2","2","2","7","2","6","1") = "6"
    & skf21("4","2","2","2","7","2","7","1") = "6"
    & skf21("4","2","2","2","7","3","1","1") = "6"
    & skf21("4","2","2","2","7","3","2","1") = "6"
    & skf21("4","2","2","2","7","3","3","1") = "6"
    & skf21("4","2","2","2","7","3","4","1") = "6"
    & skf21("4","2","2","2","7","3","5","1") = "6"
    & skf21("4","2","2","2","7","3","6","1") = "6"
    & skf21("4","2","2","2","7","3","7","1") = "6"
    & skf21("4","2","2","2","7","4","1","1") = "6"
    & skf21("4","2","2","2","7","4","2","1") = "6"
    & skf21("4","2","2","2","7","4","3","1") = "6"
    & skf21("4","2","2","2","7","4","4","1") = "6"
    & skf21("4","2","2","2","7","4","5","1") = "6"
    & skf21("4","2","2","2","7","4","6","1") = "6"
    & skf21("4","2","2","2","7","4","7","1") = "6"
    & skf21("4","2","2","2","7","5","1","1") = "6"
    & skf21("4","2","2","2","7","5","2","1") = "6"
    & skf21("4","2","2","2","7","5","3","1") = "6"
    & skf21("4","2","2","2","7","5","4","1") = "6"
    & skf21("4","2","2","2","7","5","5","1") = "6"
    & skf21("4","2","2","2","7","5","6","1") = "6"
    & skf21("4","2","2","2","7","5","7","1") = "6"
    & skf21("4","2","2","2","7","6","1","1") = "6"
    & skf21("4","2","2","2","7","6","2","1") = "6"
    & skf21("4","2","2","2","7","6","3","1") = "6"
    & skf21("4","2","2","2","7","6","4","1") = "6"
    & skf21("4","2","2","2","7","6","5","1") = "6"
    & skf21("4","2","2","2","7","6","6","1") = "6"
    & skf21("4","2","2","2","7","6","7","1") = "6"
    & skf21("4","2","2","2","7","7","1","1") = "6"
    & skf21("4","2","2","2","7","7","2","1") = "6"
    & skf21("4","2","2","2","7","7","3","1") = "6"
    & skf21("4","2","2","2","7","7","4","1") = "6"
    & skf21("4","2","2","2","7","7","5","1") = "6"
    & skf21("4","2","2","2","7","7","6","1") = "6"
    & skf21("4","2","2","2","7","7","7","1") = "6"
    & skf21("4","2","2","3","1","1","1","1") = "3"
    & skf21("4","2","2","3","1","1","2","1") = "3"
    & skf21("4","2","2","3","1","1","3","1") = "3"
    & skf21("4","2","2","3","1","1","4","1") = "3"
    & skf21("4","2","2","3","1","1","5","1") = "4"
    & skf21("4","2","2","3","1","1","6","1") = "5"
    & skf21("4","2","2","3","1","1","7","1") = "6"
    & skf21("4","2","2","3","1","2","1","1") = "3"
    & skf21("4","2","2","3","1","2","2","1") = "3"
    & skf21("4","2","2","3","1","2","3","1") = "3"
    & skf21("4","2","2","3","1","2","4","1") = "3"
    & skf21("4","2","2","3","1","2","5","1") = "4"
    & skf21("4","2","2","3","1","2","6","1") = "5"
    & skf21("4","2","2","3","1","2","7","1") = "6"
    & skf21("4","2","2","3","1","3","1","1") = "3"
    & skf21("4","2","2","3","1","3","2","1") = "3"
    & skf21("4","2","2","3","1","3","3","1") = "3"
    & skf21("4","2","2","3","1","3","4","1") = "3"
    & skf21("4","2","2","3","1","3","5","1") = "4"
    & skf21("4","2","2","3","1","3","6","1") = "5"
    & skf21("4","2","2","3","1","3","7","1") = "6"
    & skf21("4","2","2","3","1","4","1","1") = "3"
    & skf21("4","2","2","3","1","4","2","1") = "3"
    & skf21("4","2","2","3","1","4","3","1") = "3"
    & skf21("4","2","2","3","1","4","4","1") = "3"
    & skf21("4","2","2","3","1","4","5","1") = "4"
    & skf21("4","2","2","3","1","4","6","1") = "5"
    & skf21("4","2","2","3","1","4","7","1") = "6"
    & skf21("4","2","2","3","1","5","1","1") = "4"
    & skf21("4","2","2","3","1","5","2","1") = "4"
    & skf21("4","2","2","3","1","5","3","1") = "4"
    & skf21("4","2","2","3","1","5","4","1") = "4"
    & skf21("4","2","2","3","1","5","5","1") = "4"
    & skf21("4","2","2","3","1","5","6","1") = "5"
    & skf21("4","2","2","3","1","5","7","1") = "6"
    & skf21("4","2","2","3","1","6","1","1") = "5"
    & skf21("4","2","2","3","1","6","2","1") = "5"
    & skf21("4","2","2","3","1","6","3","1") = "5"
    & skf21("4","2","2","3","1","6","4","1") = "5"
    & skf21("4","2","2","3","1","6","5","1") = "5"
    & skf21("4","2","2","3","1","6","6","1") = "5"
    & skf21("4","2","2","3","1","6","7","1") = "6"
    & skf21("4","2","2","3","1","7","1","1") = "6"
    & skf21("4","2","2","3","1","7","2","1") = "6"
    & skf21("4","2","2","3","1","7","3","1") = "6"
    & skf21("4","2","2","3","1","7","4","1") = "6"
    & skf21("4","2","2","3","1","7","5","1") = "6"
    & skf21("4","2","2","3","1","7","6","1") = "6"
    & skf21("4","2","2","3","1","7","7","1") = "6"
    & skf21("4","2","2","3","2","1","1","1") = "3"
    & skf21("4","2","2","3","2","1","2","1") = "3"
    & skf21("4","2","2","3","2","1","3","1") = "3"
    & skf21("4","2","2","3","2","1","4","1") = "3"
    & skf21("4","2","2","3","2","1","5","1") = "4"
    & skf21("4","2","2","3","2","1","6","1") = "5"
    & skf21("4","2","2","3","2","1","7","1") = "6"
    & skf21("4","2","2","3","2","2","1","1") = "3"
    & skf21("4","2","2","3","2","2","2","1") = "3"
    & skf21("4","2","2","3","2","2","3","1") = "3"
    & skf21("4","2","2","3","2","2","4","1") = "3"
    & skf21("4","2","2","3","2","2","5","1") = "4"
    & skf21("4","2","2","3","2","2","6","1") = "5"
    & skf21("4","2","2","3","2","2","7","1") = "6"
    & skf21("4","2","2","3","2","3","1","1") = "3"
    & skf21("4","2","2","3","2","3","2","1") = "3"
    & skf21("4","2","2","3","2","3","3","1") = "3"
    & skf21("4","2","2","3","2","3","4","1") = "3"
    & skf21("4","2","2","3","2","3","5","1") = "4"
    & skf21("4","2","2","3","2","3","6","1") = "5"
    & skf21("4","2","2","3","2","3","7","1") = "6"
    & skf21("4","2","2","3","2","4","1","1") = "3"
    & skf21("4","2","2","3","2","4","2","1") = "3"
    & skf21("4","2","2","3","2","4","3","1") = "3"
    & skf21("4","2","2","3","2","4","4","1") = "3"
    & skf21("4","2","2","3","2","4","5","1") = "4"
    & skf21("4","2","2","3","2","4","6","1") = "5"
    & skf21("4","2","2","3","2","4","7","1") = "6"
    & skf21("4","2","2","3","2","5","1","1") = "4"
    & skf21("4","2","2","3","2","5","2","1") = "4"
    & skf21("4","2","2","3","2","5","3","1") = "4"
    & skf21("4","2","2","3","2","5","4","1") = "4"
    & skf21("4","2","2","3","2","5","5","1") = "4"
    & skf21("4","2","2","3","2","5","6","1") = "5"
    & skf21("4","2","2","3","2","5","7","1") = "6"
    & skf21("4","2","2","3","2","6","1","1") = "5"
    & skf21("4","2","2","3","2","6","2","1") = "5"
    & skf21("4","2","2","3","2","6","3","1") = "5"
    & skf21("4","2","2","3","2","6","4","1") = "5"
    & skf21("4","2","2","3","2","6","5","1") = "5"
    & skf21("4","2","2","3","2","6","6","1") = "5"
    & skf21("4","2","2","3","2","6","7","1") = "6"
    & skf21("4","2","2","3","2","7","1","1") = "6"
    & skf21("4","2","2","3","2","7","2","1") = "6"
    & skf21("4","2","2","3","2","7","3","1") = "6"
    & skf21("4","2","2","3","2","7","4","1") = "6"
    & skf21("4","2","2","3","2","7","5","1") = "6"
    & skf21("4","2","2","3","2","7","6","1") = "6"
    & skf21("4","2","2","3","2","7","7","1") = "6"
    & skf21("4","2","2","3","3","1","1","1") = "3"
    & skf21("4","2","2","3","3","1","2","1") = "3"
    & skf21("4","2","2","3","3","1","3","1") = "3"
    & skf21("4","2","2","3","3","1","4","1") = "3"
    & skf21("4","2","2","3","3","1","5","1") = "4"
    & skf21("4","2","2","3","3","1","6","1") = "5"
    & skf21("4","2","2","3","3","1","7","1") = "6"
    & skf21("4","2","2","3","3","2","1","1") = "3"
    & skf21("4","2","2","3","3","2","2","1") = "3"
    & skf21("4","2","2","3","3","2","3","1") = "3"
    & skf21("4","2","2","3","3","2","4","1") = "3"
    & skf21("4","2","2","3","3","2","5","1") = "4"
    & skf21("4","2","2","3","3","2","6","1") = "5"
    & skf21("4","2","2","3","3","2","7","1") = "6"
    & skf21("4","2","2","3","3","3","1","1") = "3"
    & skf21("4","2","2","3","3","3","2","1") = "3"
    & skf21("4","2","2","3","3","3","3","1") = "3"
    & skf21("4","2","2","3","3","3","4","1") = "3"
    & skf21("4","2","2","3","3","3","5","1") = "4"
    & skf21("4","2","2","3","3","3","6","1") = "5"
    & skf21("4","2","2","3","3","3","7","1") = "6"
    & skf21("4","2","2","3","3","4","1","1") = "3"
    & skf21("4","2","2","3","3","4","2","1") = "3"
    & skf21("4","2","2","3","3","4","3","1") = "3"
    & skf21("4","2","2","3","3","4","4","1") = "3"
    & skf21("4","2","2","3","3","4","5","1") = "4"
    & skf21("4","2","2","3","3","4","6","1") = "5"
    & skf21("4","2","2","3","3","4","7","1") = "6"
    & skf21("4","2","2","3","3","5","1","1") = "4"
    & skf21("4","2","2","3","3","5","2","1") = "4"
    & skf21("4","2","2","3","3","5","3","1") = "4"
    & skf21("4","2","2","3","3","5","4","1") = "4"
    & skf21("4","2","2","3","3","5","5","1") = "4"
    & skf21("4","2","2","3","3","5","6","1") = "5"
    & skf21("4","2","2","3","3","5","7","1") = "6"
    & skf21("4","2","2","3","3","6","1","1") = "5"
    & skf21("4","2","2","3","3","6","2","1") = "5"
    & skf21("4","2","2","3","3","6","3","1") = "5"
    & skf21("4","2","2","3","3","6","4","1") = "5"
    & skf21("4","2","2","3","3","6","5","1") = "5"
    & skf21("4","2","2","3","3","6","6","1") = "5"
    & skf21("4","2","2","3","3","6","7","1") = "6"
    & skf21("4","2","2","3","3","7","1","1") = "6"
    & skf21("4","2","2","3","3","7","2","1") = "6"
    & skf21("4","2","2","3","3","7","3","1") = "6"
    & skf21("4","2","2","3","3","7","4","1") = "6"
    & skf21("4","2","2","3","3","7","5","1") = "6"
    & skf21("4","2","2","3","3","7","6","1") = "6"
    & skf21("4","2","2","3","3","7","7","1") = "6"
    & skf21("4","2","2","3","4","1","1","1") = "3"
    & skf21("4","2","2","3","4","1","2","1") = "3"
    & skf21("4","2","2","3","4","1","3","1") = "3"
    & skf21("4","2","2","3","4","1","4","1") = "3"
    & skf21("4","2","2","3","4","1","5","1") = "4"
    & skf21("4","2","2","3","4","1","6","1") = "5"
    & skf21("4","2","2","3","4","1","7","1") = "6"
    & skf21("4","2","2","3","4","2","1","1") = "3"
    & skf21("4","2","2","3","4","2","2","1") = "3"
    & skf21("4","2","2","3","4","2","3","1") = "3"
    & skf21("4","2","2","3","4","2","4","1") = "3"
    & skf21("4","2","2","3","4","2","5","1") = "4"
    & skf21("4","2","2","3","4","2","6","1") = "5"
    & skf21("4","2","2","3","4","2","7","1") = "6"
    & skf21("4","2","2","3","4","3","1","1") = "3"
    & skf21("4","2","2","3","4","3","2","1") = "3"
    & skf21("4","2","2","3","4","3","3","1") = "3"
    & skf21("4","2","2","3","4","3","4","1") = "3"
    & skf21("4","2","2","3","4","3","5","1") = "4"
    & skf21("4","2","2","3","4","3","6","1") = "5"
    & skf21("4","2","2","3","4","3","7","1") = "6"
    & skf21("4","2","2","3","4","4","1","1") = "3"
    & skf21("4","2","2","3","4","4","2","1") = "3"
    & skf21("4","2","2","3","4","4","3","1") = "3"
    & skf21("4","2","2","3","4","4","4","1") = "3"
    & skf21("4","2","2","3","4","4","5","1") = "4"
    & skf21("4","2","2","3","4","4","6","1") = "5"
    & skf21("4","2","2","3","4","4","7","1") = "6"
    & skf21("4","2","2","3","4","5","1","1") = "4"
    & skf21("4","2","2","3","4","5","2","1") = "4"
    & skf21("4","2","2","3","4","5","3","1") = "4"
    & skf21("4","2","2","3","4","5","4","1") = "4"
    & skf21("4","2","2","3","4","5","5","1") = "4"
    & skf21("4","2","2","3","4","5","6","1") = "5"
    & skf21("4","2","2","3","4","5","7","1") = "6"
    & skf21("4","2","2","3","4","6","1","1") = "5"
    & skf21("4","2","2","3","4","6","2","1") = "5"
    & skf21("4","2","2","3","4","6","3","1") = "5"
    & skf21("4","2","2","3","4","6","4","1") = "5"
    & skf21("4","2","2","3","4","6","5","1") = "5"
    & skf21("4","2","2","3","4","6","6","1") = "5"
    & skf21("4","2","2","3","4","6","7","1") = "6"
    & skf21("4","2","2","3","4","7","1","1") = "6"
    & skf21("4","2","2","3","4","7","2","1") = "6"
    & skf21("4","2","2","3","4","7","3","1") = "6"
    & skf21("4","2","2","3","4","7","4","1") = "6"
    & skf21("4","2","2","3","4","7","5","1") = "6"
    & skf21("4","2","2","3","4","7","6","1") = "6"
    & skf21("4","2","2","3","4","7","7","1") = "6"
    & skf21("4","2","2","3","5","1","1","1") = "4"
    & skf21("4","2","2","3","5","1","2","1") = "4"
    & skf21("4","2","2","3","5","1","3","1") = "4"
    & skf21("4","2","2","3","5","1","4","1") = "4"
    & skf21("4","2","2","3","5","1","5","1") = "4"
    & skf21("4","2","2","3","5","1","6","1") = "5"
    & skf21("4","2","2","3","5","1","7","1") = "6"
    & skf21("4","2","2","3","5","2","1","1") = "4"
    & skf21("4","2","2","3","5","2","2","1") = "4"
    & skf21("4","2","2","3","5","2","3","1") = "4"
    & skf21("4","2","2","3","5","2","4","1") = "4"
    & skf21("4","2","2","3","5","2","5","1") = "4"
    & skf21("4","2","2","3","5","2","6","1") = "5"
    & skf21("4","2","2","3","5","2","7","1") = "6"
    & skf21("4","2","2","3","5","3","1","1") = "4"
    & skf21("4","2","2","3","5","3","2","1") = "4"
    & skf21("4","2","2","3","5","3","3","1") = "4"
    & skf21("4","2","2","3","5","3","4","1") = "4"
    & skf21("4","2","2","3","5","3","5","1") = "4"
    & skf21("4","2","2","3","5","3","6","1") = "5"
    & skf21("4","2","2","3","5","3","7","1") = "6"
    & skf21("4","2","2","3","5","4","1","1") = "4"
    & skf21("4","2","2","3","5","4","2","1") = "4"
    & skf21("4","2","2","3","5","4","3","1") = "4"
    & skf21("4","2","2","3","5","4","4","1") = "4"
    & skf21("4","2","2","3","5","4","5","1") = "4"
    & skf21("4","2","2","3","5","4","6","1") = "5"
    & skf21("4","2","2","3","5","4","7","1") = "6"
    & skf21("4","2","2","3","5","5","1","1") = "4"
    & skf21("4","2","2","3","5","5","2","1") = "4"
    & skf21("4","2","2","3","5","5","3","1") = "4"
    & skf21("4","2","2","3","5","5","4","1") = "4"
    & skf21("4","2","2","3","5","5","5","1") = "4"
    & skf21("4","2","2","3","5","5","6","1") = "5"
    & skf21("4","2","2","3","5","5","7","1") = "6"
    & skf21("4","2","2","3","5","6","1","1") = "5"
    & skf21("4","2","2","3","5","6","2","1") = "5"
    & skf21("4","2","2","3","5","6","3","1") = "5"
    & skf21("4","2","2","3","5","6","4","1") = "5"
    & skf21("4","2","2","3","5","6","5","1") = "5"
    & skf21("4","2","2","3","5","6","6","1") = "5"
    & skf21("4","2","2","3","5","6","7","1") = "6"
    & skf21("4","2","2","3","5","7","1","1") = "6"
    & skf21("4","2","2","3","5","7","2","1") = "6"
    & skf21("4","2","2","3","5","7","3","1") = "6"
    & skf21("4","2","2","3","5","7","4","1") = "6"
    & skf21("4","2","2","3","5","7","5","1") = "6"
    & skf21("4","2","2","3","5","7","6","1") = "6"
    & skf21("4","2","2","3","5","7","7","1") = "6"
    & skf21("4","2","2","3","6","1","1","1") = "5"
    & skf21("4","2","2","3","6","1","2","1") = "5"
    & skf21("4","2","2","3","6","1","3","1") = "5"
    & skf21("4","2","2","3","6","1","4","1") = "5"
    & skf21("4","2","2","3","6","1","5","1") = "5"
    & skf21("4","2","2","3","6","1","6","1") = "5"
    & skf21("4","2","2","3","6","1","7","1") = "6"
    & skf21("4","2","2","3","6","2","1","1") = "5"
    & skf21("4","2","2","3","6","2","2","1") = "5"
    & skf21("4","2","2","3","6","2","3","1") = "5"
    & skf21("4","2","2","3","6","2","4","1") = "5"
    & skf21("4","2","2","3","6","2","5","1") = "5"
    & skf21("4","2","2","3","6","2","6","1") = "5"
    & skf21("4","2","2","3","6","2","7","1") = "6"
    & skf21("4","2","2","3","6","3","1","1") = "5"
    & skf21("4","2","2","3","6","3","2","1") = "5"
    & skf21("4","2","2","3","6","3","3","1") = "5"
    & skf21("4","2","2","3","6","3","4","1") = "5"
    & skf21("4","2","2","3","6","3","5","1") = "5"
    & skf21("4","2","2","3","6","3","6","1") = "5"
    & skf21("4","2","2","3","6","3","7","1") = "6"
    & skf21("4","2","2","3","6","4","1","1") = "5"
    & skf21("4","2","2","3","6","4","2","1") = "5"
    & skf21("4","2","2","3","6","4","3","1") = "5"
    & skf21("4","2","2","3","6","4","4","1") = "5"
    & skf21("4","2","2","3","6","4","5","1") = "5"
    & skf21("4","2","2","3","6","4","6","1") = "5"
    & skf21("4","2","2","3","6","4","7","1") = "6"
    & skf21("4","2","2","3","6","5","1","1") = "5"
    & skf21("4","2","2","3","6","5","2","1") = "5"
    & skf21("4","2","2","3","6","5","3","1") = "5"
    & skf21("4","2","2","3","6","5","4","1") = "5"
    & skf21("4","2","2","3","6","5","5","1") = "5"
    & skf21("4","2","2","3","6","5","6","1") = "5"
    & skf21("4","2","2","3","6","5","7","1") = "6"
    & skf21("4","2","2","3","6","6","1","1") = "5"
    & skf21("4","2","2","3","6","6","2","1") = "5"
    & skf21("4","2","2","3","6","6","3","1") = "5"
    & skf21("4","2","2","3","6","6","4","1") = "5"
    & skf21("4","2","2","3","6","6","5","1") = "5"
    & skf21("4","2","2","3","6","6","6","1") = "5"
    & skf21("4","2","2","3","6","6","7","1") = "6"
    & skf21("4","2","2","3","6","7","1","1") = "6"
    & skf21("4","2","2","3","6","7","2","1") = "6"
    & skf21("4","2","2","3","6","7","3","1") = "6"
    & skf21("4","2","2","3","6","7","4","1") = "6"
    & skf21("4","2","2","3","6","7","5","1") = "6"
    & skf21("4","2","2","3","6","7","6","1") = "6"
    & skf21("4","2","2","3","6","7","7","1") = "6"
    & skf21("4","2","2","3","7","1","1","1") = "6"
    & skf21("4","2","2","3","7","1","2","1") = "6"
    & skf21("4","2","2","3","7","1","3","1") = "6"
    & skf21("4","2","2","3","7","1","4","1") = "6"
    & skf21("4","2","2","3","7","1","5","1") = "6"
    & skf21("4","2","2","3","7","1","6","1") = "6"
    & skf21("4","2","2","3","7","1","7","1") = "6"
    & skf21("4","2","2","3","7","2","1","1") = "6"
    & skf21("4","2","2","3","7","2","2","1") = "6"
    & skf21("4","2","2","3","7","2","3","1") = "6"
    & skf21("4","2","2","3","7","2","4","1") = "6"
    & skf21("4","2","2","3","7","2","5","1") = "6"
    & skf21("4","2","2","3","7","2","6","1") = "6"
    & skf21("4","2","2","3","7","2","7","1") = "6"
    & skf21("4","2","2","3","7","3","1","1") = "6"
    & skf21("4","2","2","3","7","3","2","1") = "6"
    & skf21("4","2","2","3","7","3","3","1") = "6"
    & skf21("4","2","2","3","7","3","4","1") = "6"
    & skf21("4","2","2","3","7","3","5","1") = "6"
    & skf21("4","2","2","3","7","3","6","1") = "6"
    & skf21("4","2","2","3","7","3","7","1") = "6"
    & skf21("4","2","2","3","7","4","1","1") = "6"
    & skf21("4","2","2","3","7","4","2","1") = "6"
    & skf21("4","2","2","3","7","4","3","1") = "6"
    & skf21("4","2","2","3","7","4","4","1") = "6"
    & skf21("4","2","2","3","7","4","5","1") = "6"
    & skf21("4","2","2","3","7","4","6","1") = "6"
    & skf21("4","2","2","3","7","4","7","1") = "6"
    & skf21("4","2","2","3","7","5","1","1") = "6"
    & skf21("4","2","2","3","7","5","2","1") = "6"
    & skf21("4","2","2","3","7","5","3","1") = "6"
    & skf21("4","2","2","3","7","5","4","1") = "6"
    & skf21("4","2","2","3","7","5","5","1") = "6"
    & skf21("4","2","2","3","7","5","6","1") = "6"
    & skf21("4","2","2","3","7","5","7","1") = "6"
    & skf21("4","2","2","3","7","6","1","1") = "6"
    & skf21("4","2","2","3","7","6","2","1") = "6"
    & skf21("4","2","2","3","7","6","3","1") = "6"
    & skf21("4","2","2","3","7","6","4","1") = "6"
    & skf21("4","2","2","3","7","6","5","1") = "6"
    & skf21("4","2","2","3","7","6","6","1") = "6"
    & skf21("4","2","2","3","7","6","7","1") = "6"
    & skf21("4","2","2","3","7","7","1","1") = "6"
    & skf21("4","2","2","3","7","7","2","1") = "6"
    & skf21("4","2","2","3","7","7","3","1") = "6"
    & skf21("4","2","2","3","7","7","4","1") = "6"
    & skf21("4","2","2","3","7","7","5","1") = "6"
    & skf21("4","2","2","3","7","7","6","1") = "6"
    & skf21("4","2","2","3","7","7","7","1") = "6"
    & skf21("4","2","2","4","1","1","1","1") = "3"
    & skf21("4","2","2","4","1","1","2","1") = "3"
    & skf21("4","2","2","4","1","1","3","1") = "3"
    & skf21("4","2","2","4","1","1","4","1") = "3"
    & skf21("4","2","2","4","1","1","5","1") = "4"
    & skf21("4","2","2","4","1","1","6","1") = "5"
    & skf21("4","2","2","4","1","1","7","1") = "6"
    & skf21("4","2","2","4","1","2","1","1") = "3"
    & skf21("4","2","2","4","1","2","2","1") = "3"
    & skf21("4","2","2","4","1","2","3","1") = "3"
    & skf21("4","2","2","4","1","2","4","1") = "3"
    & skf21("4","2","2","4","1","2","5","1") = "4"
    & skf21("4","2","2","4","1","2","6","1") = "5"
    & skf21("4","2","2","4","1","2","7","1") = "6"
    & skf21("4","2","2","4","1","3","1","1") = "3"
    & skf21("4","2","2","4","1","3","2","1") = "3"
    & skf21("4","2","2","4","1","3","3","1") = "3"
    & skf21("4","2","2","4","1","3","4","1") = "3"
    & skf21("4","2","2","4","1","3","5","1") = "4"
    & skf21("4","2","2","4","1","3","6","1") = "5"
    & skf21("4","2","2","4","1","3","7","1") = "6"
    & skf21("4","2","2","4","1","4","1","1") = "3"
    & skf21("4","2","2","4","1","4","2","1") = "3"
    & skf21("4","2","2","4","1","4","3","1") = "3"
    & skf21("4","2","2","4","1","4","4","1") = "3"
    & skf21("4","2","2","4","1","4","5","1") = "4"
    & skf21("4","2","2","4","1","4","6","1") = "5"
    & skf21("4","2","2","4","1","4","7","1") = "6"
    & skf21("4","2","2","4","1","5","1","1") = "4"
    & skf21("4","2","2","4","1","5","2","1") = "4"
    & skf21("4","2","2","4","1","5","3","1") = "4"
    & skf21("4","2","2","4","1","5","4","1") = "4"
    & skf21("4","2","2","4","1","5","5","1") = "4"
    & skf21("4","2","2","4","1","5","6","1") = "5"
    & skf21("4","2","2","4","1","5","7","1") = "6"
    & skf21("4","2","2","4","1","6","1","1") = "5"
    & skf21("4","2","2","4","1","6","2","1") = "5"
    & skf21("4","2","2","4","1","6","3","1") = "5"
    & skf21("4","2","2","4","1","6","4","1") = "5"
    & skf21("4","2","2","4","1","6","5","1") = "5"
    & skf21("4","2","2","4","1","6","6","1") = "5"
    & skf21("4","2","2","4","1","6","7","1") = "6"
    & skf21("4","2","2","4","1","7","1","1") = "6"
    & skf21("4","2","2","4","1","7","2","1") = "6"
    & skf21("4","2","2","4","1","7","3","1") = "6"
    & skf21("4","2","2","4","1","7","4","1") = "6"
    & skf21("4","2","2","4","1","7","5","1") = "6"
    & skf21("4","2","2","4","1","7","6","1") = "6"
    & skf21("4","2","2","4","1","7","7","1") = "6"
    & skf21("4","2","2","4","2","1","1","1") = "3"
    & skf21("4","2","2","4","2","1","2","1") = "3"
    & skf21("4","2","2","4","2","1","3","1") = "3"
    & skf21("4","2","2","4","2","1","4","1") = "3"
    & skf21("4","2","2","4","2","1","5","1") = "4"
    & skf21("4","2","2","4","2","1","6","1") = "5"
    & skf21("4","2","2","4","2","1","7","1") = "6"
    & skf21("4","2","2","4","2","2","1","1") = "3"
    & skf21("4","2","2","4","2","2","2","1") = "3"
    & skf21("4","2","2","4","2","2","3","1") = "3"
    & skf21("4","2","2","4","2","2","4","1") = "3"
    & skf21("4","2","2","4","2","2","5","1") = "4"
    & skf21("4","2","2","4","2","2","6","1") = "5"
    & skf21("4","2","2","4","2","2","7","1") = "6"
    & skf21("4","2","2","4","2","3","1","1") = "3"
    & skf21("4","2","2","4","2","3","2","1") = "3"
    & skf21("4","2","2","4","2","3","3","1") = "3"
    & skf21("4","2","2","4","2","3","4","1") = "3"
    & skf21("4","2","2","4","2","3","5","1") = "4"
    & skf21("4","2","2","4","2","3","6","1") = "5"
    & skf21("4","2","2","4","2","3","7","1") = "6"
    & skf21("4","2","2","4","2","4","1","1") = "3"
    & skf21("4","2","2","4","2","4","2","1") = "3"
    & skf21("4","2","2","4","2","4","3","1") = "3"
    & skf21("4","2","2","4","2","4","4","1") = "3"
    & skf21("4","2","2","4","2","4","5","1") = "4"
    & skf21("4","2","2","4","2","4","6","1") = "5"
    & skf21("4","2","2","4","2","4","7","1") = "6"
    & skf21("4","2","2","4","2","5","1","1") = "4"
    & skf21("4","2","2","4","2","5","2","1") = "4"
    & skf21("4","2","2","4","2","5","3","1") = "4"
    & skf21("4","2","2","4","2","5","4","1") = "4"
    & skf21("4","2","2","4","2","5","5","1") = "4"
    & skf21("4","2","2","4","2","5","6","1") = "5"
    & skf21("4","2","2","4","2","5","7","1") = "6"
    & skf21("4","2","2","4","2","6","1","1") = "5"
    & skf21("4","2","2","4","2","6","2","1") = "5"
    & skf21("4","2","2","4","2","6","3","1") = "5"
    & skf21("4","2","2","4","2","6","4","1") = "5"
    & skf21("4","2","2","4","2","6","5","1") = "5"
    & skf21("4","2","2","4","2","6","6","1") = "5"
    & skf21("4","2","2","4","2","6","7","1") = "6"
    & skf21("4","2","2","4","2","7","1","1") = "6"
    & skf21("4","2","2","4","2","7","2","1") = "6"
    & skf21("4","2","2","4","2","7","3","1") = "6"
    & skf21("4","2","2","4","2","7","4","1") = "6"
    & skf21("4","2","2","4","2","7","5","1") = "6"
    & skf21("4","2","2","4","2","7","6","1") = "6"
    & skf21("4","2","2","4","2","7","7","1") = "6"
    & skf21("4","2","2","4","3","1","1","1") = "3"
    & skf21("4","2","2","4","3","1","2","1") = "3"
    & skf21("4","2","2","4","3","1","3","1") = "3"
    & skf21("4","2","2","4","3","1","4","1") = "3"
    & skf21("4","2","2","4","3","1","5","1") = "4"
    & skf21("4","2","2","4","3","1","6","1") = "5"
    & skf21("4","2","2","4","3","1","7","1") = "6"
    & skf21("4","2","2","4","3","2","1","1") = "3"
    & skf21("4","2","2","4","3","2","2","1") = "3"
    & skf21("4","2","2","4","3","2","3","1") = "3"
    & skf21("4","2","2","4","3","2","4","1") = "3"
    & skf21("4","2","2","4","3","2","5","1") = "4"
    & skf21("4","2","2","4","3","2","6","1") = "5"
    & skf21("4","2","2","4","3","2","7","1") = "6"
    & skf21("4","2","2","4","3","3","1","1") = "3"
    & skf21("4","2","2","4","3","3","2","1") = "3"
    & skf21("4","2","2","4","3","3","3","1") = "3"
    & skf21("4","2","2","4","3","3","4","1") = "3"
    & skf21("4","2","2","4","3","3","5","1") = "4"
    & skf21("4","2","2","4","3","3","6","1") = "5"
    & skf21("4","2","2","4","3","3","7","1") = "6"
    & skf21("4","2","2","4","3","4","1","1") = "3"
    & skf21("4","2","2","4","3","4","2","1") = "3"
    & skf21("4","2","2","4","3","4","3","1") = "3"
    & skf21("4","2","2","4","3","4","4","1") = "3"
    & skf21("4","2","2","4","3","4","5","1") = "4"
    & skf21("4","2","2","4","3","4","6","1") = "5"
    & skf21("4","2","2","4","3","4","7","1") = "6"
    & skf21("4","2","2","4","3","5","1","1") = "4"
    & skf21("4","2","2","4","3","5","2","1") = "4"
    & skf21("4","2","2","4","3","5","3","1") = "4"
    & skf21("4","2","2","4","3","5","4","1") = "4"
    & skf21("4","2","2","4","3","5","5","1") = "4"
    & skf21("4","2","2","4","3","5","6","1") = "5"
    & skf21("4","2","2","4","3","5","7","1") = "6"
    & skf21("4","2","2","4","3","6","1","1") = "5"
    & skf21("4","2","2","4","3","6","2","1") = "5"
    & skf21("4","2","2","4","3","6","3","1") = "5"
    & skf21("4","2","2","4","3","6","4","1") = "5"
    & skf21("4","2","2","4","3","6","5","1") = "5"
    & skf21("4","2","2","4","3","6","6","1") = "5"
    & skf21("4","2","2","4","3","6","7","1") = "6"
    & skf21("4","2","2","4","3","7","1","1") = "6"
    & skf21("4","2","2","4","3","7","2","1") = "6"
    & skf21("4","2","2","4","3","7","3","1") = "6"
    & skf21("4","2","2","4","3","7","4","1") = "6"
    & skf21("4","2","2","4","3","7","5","1") = "6"
    & skf21("4","2","2","4","3","7","6","1") = "6"
    & skf21("4","2","2","4","3","7","7","1") = "6"
    & skf21("4","2","2","4","4","1","1","1") = "3"
    & skf21("4","2","2","4","4","1","2","1") = "3"
    & skf21("4","2","2","4","4","1","3","1") = "3"
    & skf21("4","2","2","4","4","1","4","1") = "3"
    & skf21("4","2","2","4","4","1","5","1") = "4"
    & skf21("4","2","2","4","4","1","6","1") = "5"
    & skf21("4","2","2","4","4","1","7","1") = "6"
    & skf21("4","2","2","4","4","2","1","1") = "3"
    & skf21("4","2","2","4","4","2","2","1") = "3"
    & skf21("4","2","2","4","4","2","3","1") = "3"
    & skf21("4","2","2","4","4","2","4","1") = "3"
    & skf21("4","2","2","4","4","2","5","1") = "4"
    & skf21("4","2","2","4","4","2","6","1") = "5"
    & skf21("4","2","2","4","4","2","7","1") = "6"
    & skf21("4","2","2","4","4","3","1","1") = "3"
    & skf21("4","2","2","4","4","3","2","1") = "3"
    & skf21("4","2","2","4","4","3","3","1") = "3"
    & skf21("4","2","2","4","4","3","4","1") = "3"
    & skf21("4","2","2","4","4","3","5","1") = "4"
    & skf21("4","2","2","4","4","3","6","1") = "5"
    & skf21("4","2","2","4","4","3","7","1") = "6"
    & skf21("4","2","2","4","4","4","1","1") = "3"
    & skf21("4","2","2","4","4","4","2","1") = "3"
    & skf21("4","2","2","4","4","4","3","1") = "3"
    & skf21("4","2","2","4","4","4","4","1") = "3"
    & skf21("4","2","2","4","4","4","5","1") = "4"
    & skf21("4","2","2","4","4","4","6","1") = "5"
    & skf21("4","2","2","4","4","4","7","1") = "6"
    & skf21("4","2","2","4","4","5","1","1") = "4"
    & skf21("4","2","2","4","4","5","2","1") = "4"
    & skf21("4","2","2","4","4","5","3","1") = "4"
    & skf21("4","2","2","4","4","5","4","1") = "4"
    & skf21("4","2","2","4","4","5","5","1") = "4"
    & skf21("4","2","2","4","4","5","6","1") = "5"
    & skf21("4","2","2","4","4","5","7","1") = "6"
    & skf21("4","2","2","4","4","6","1","1") = "5"
    & skf21("4","2","2","4","4","6","2","1") = "5"
    & skf21("4","2","2","4","4","6","3","1") = "5"
    & skf21("4","2","2","4","4","6","4","1") = "5"
    & skf21("4","2","2","4","4","6","5","1") = "5"
    & skf21("4","2","2","4","4","6","6","1") = "5"
    & skf21("4","2","2","4","4","6","7","1") = "6"
    & skf21("4","2","2","4","4","7","1","1") = "6"
    & skf21("4","2","2","4","4","7","2","1") = "6"
    & skf21("4","2","2","4","4","7","3","1") = "6"
    & skf21("4","2","2","4","4","7","4","1") = "6"
    & skf21("4","2","2","4","4","7","5","1") = "6"
    & skf21("4","2","2","4","4","7","6","1") = "6"
    & skf21("4","2","2","4","4","7","7","1") = "6"
    & skf21("4","2","2","4","5","1","1","1") = "4"
    & skf21("4","2","2","4","5","1","2","1") = "4"
    & skf21("4","2","2","4","5","1","3","1") = "4"
    & skf21("4","2","2","4","5","1","4","1") = "4"
    & skf21("4","2","2","4","5","1","5","1") = "4"
    & skf21("4","2","2","4","5","1","6","1") = "5"
    & skf21("4","2","2","4","5","1","7","1") = "6"
    & skf21("4","2","2","4","5","2","1","1") = "4"
    & skf21("4","2","2","4","5","2","2","1") = "4"
    & skf21("4","2","2","4","5","2","3","1") = "4"
    & skf21("4","2","2","4","5","2","4","1") = "4"
    & skf21("4","2","2","4","5","2","5","1") = "4"
    & skf21("4","2","2","4","5","2","6","1") = "5"
    & skf21("4","2","2","4","5","2","7","1") = "6"
    & skf21("4","2","2","4","5","3","1","1") = "4"
    & skf21("4","2","2","4","5","3","2","1") = "4"
    & skf21("4","2","2","4","5","3","3","1") = "4"
    & skf21("4","2","2","4","5","3","4","1") = "4"
    & skf21("4","2","2","4","5","3","5","1") = "4"
    & skf21("4","2","2","4","5","3","6","1") = "5"
    & skf21("4","2","2","4","5","3","7","1") = "6"
    & skf21("4","2","2","4","5","4","1","1") = "4"
    & skf21("4","2","2","4","5","4","2","1") = "4"
    & skf21("4","2","2","4","5","4","3","1") = "4"
    & skf21("4","2","2","4","5","4","4","1") = "4"
    & skf21("4","2","2","4","5","4","5","1") = "4"
    & skf21("4","2","2","4","5","4","6","1") = "5"
    & skf21("4","2","2","4","5","4","7","1") = "6"
    & skf21("4","2","2","4","5","5","1","1") = "4"
    & skf21("4","2","2","4","5","5","2","1") = "4"
    & skf21("4","2","2","4","5","5","3","1") = "4"
    & skf21("4","2","2","4","5","5","4","1") = "4"
    & skf21("4","2","2","4","5","5","5","1") = "4"
    & skf21("4","2","2","4","5","5","6","1") = "5"
    & skf21("4","2","2","4","5","5","7","1") = "6"
    & skf21("4","2","2","4","5","6","1","1") = "5"
    & skf21("4","2","2","4","5","6","2","1") = "5"
    & skf21("4","2","2","4","5","6","3","1") = "5"
    & skf21("4","2","2","4","5","6","4","1") = "5"
    & skf21("4","2","2","4","5","6","5","1") = "5"
    & skf21("4","2","2","4","5","6","6","1") = "5"
    & skf21("4","2","2","4","5","6","7","1") = "6"
    & skf21("4","2","2","4","5","7","1","1") = "6"
    & skf21("4","2","2","4","5","7","2","1") = "6"
    & skf21("4","2","2","4","5","7","3","1") = "6"
    & skf21("4","2","2","4","5","7","4","1") = "6"
    & skf21("4","2","2","4","5","7","5","1") = "6"
    & skf21("4","2","2","4","5","7","6","1") = "6"
    & skf21("4","2","2","4","5","7","7","1") = "6"
    & skf21("4","2","2","4","6","1","1","1") = "5"
    & skf21("4","2","2","4","6","1","2","1") = "5"
    & skf21("4","2","2","4","6","1","3","1") = "5"
    & skf21("4","2","2","4","6","1","4","1") = "5"
    & skf21("4","2","2","4","6","1","5","1") = "5"
    & skf21("4","2","2","4","6","1","6","1") = "5"
    & skf21("4","2","2","4","6","1","7","1") = "6"
    & skf21("4","2","2","4","6","2","1","1") = "5"
    & skf21("4","2","2","4","6","2","2","1") = "5"
    & skf21("4","2","2","4","6","2","3","1") = "5"
    & skf21("4","2","2","4","6","2","4","1") = "5"
    & skf21("4","2","2","4","6","2","5","1") = "5"
    & skf21("4","2","2","4","6","2","6","1") = "5"
    & skf21("4","2","2","4","6","2","7","1") = "6"
    & skf21("4","2","2","4","6","3","1","1") = "5"
    & skf21("4","2","2","4","6","3","2","1") = "5"
    & skf21("4","2","2","4","6","3","3","1") = "5"
    & skf21("4","2","2","4","6","3","4","1") = "5"
    & skf21("4","2","2","4","6","3","5","1") = "5"
    & skf21("4","2","2","4","6","3","6","1") = "5"
    & skf21("4","2","2","4","6","3","7","1") = "6"
    & skf21("4","2","2","4","6","4","1","1") = "5"
    & skf21("4","2","2","4","6","4","2","1") = "5"
    & skf21("4","2","2","4","6","4","3","1") = "5"
    & skf21("4","2","2","4","6","4","4","1") = "5"
    & skf21("4","2","2","4","6","4","5","1") = "5"
    & skf21("4","2","2","4","6","4","6","1") = "5"
    & skf21("4","2","2","4","6","4","7","1") = "6"
    & skf21("4","2","2","4","6","5","1","1") = "5"
    & skf21("4","2","2","4","6","5","2","1") = "5"
    & skf21("4","2","2","4","6","5","3","1") = "5"
    & skf21("4","2","2","4","6","5","4","1") = "5"
    & skf21("4","2","2","4","6","5","5","1") = "5"
    & skf21("4","2","2","4","6","5","6","1") = "5"
    & skf21("4","2","2","4","6","5","7","1") = "6"
    & skf21("4","2","2","4","6","6","1","1") = "5"
    & skf21("4","2","2","4","6","6","2","1") = "5"
    & skf21("4","2","2","4","6","6","3","1") = "5"
    & skf21("4","2","2","4","6","6","4","1") = "5"
    & skf21("4","2","2","4","6","6","5","1") = "5"
    & skf21("4","2","2","4","6","6","6","1") = "5"
    & skf21("4","2","2","4","6","6","7","1") = "6"
    & skf21("4","2","2","4","6","7","1","1") = "6"
    & skf21("4","2","2","4","6","7","2","1") = "6"
    & skf21("4","2","2","4","6","7","3","1") = "6"
    & skf21("4","2","2","4","6","7","4","1") = "6"
    & skf21("4","2","2","4","6","7","5","1") = "6"
    & skf21("4","2","2","4","6","7","6","1") = "6"
    & skf21("4","2","2","4","6","7","7","1") = "6"
    & skf21("4","2","2","4","7","1","1","1") = "6"
    & skf21("4","2","2","4","7","1","2","1") = "6"
    & skf21("4","2","2","4","7","1","3","1") = "6"
    & skf21("4","2","2","4","7","1","4","1") = "6"
    & skf21("4","2","2","4","7","1","5","1") = "6"
    & skf21("4","2","2","4","7","1","6","1") = "6"
    & skf21("4","2","2","4","7","1","7","1") = "6"
    & skf21("4","2","2","4","7","2","1","1") = "6"
    & skf21("4","2","2","4","7","2","2","1") = "6"
    & skf21("4","2","2","4","7","2","3","1") = "6"
    & skf21("4","2","2","4","7","2","4","1") = "6"
    & skf21("4","2","2","4","7","2","5","1") = "6"
    & skf21("4","2","2","4","7","2","6","1") = "6"
    & skf21("4","2","2","4","7","2","7","1") = "6"
    & skf21("4","2","2","4","7","3","1","1") = "6"
    & skf21("4","2","2","4","7","3","2","1") = "6"
    & skf21("4","2","2","4","7","3","3","1") = "6"
    & skf21("4","2","2","4","7","3","4","1") = "6"
    & skf21("4","2","2","4","7","3","5","1") = "6"
    & skf21("4","2","2","4","7","3","6","1") = "6"
    & skf21("4","2","2","4","7","3","7","1") = "6"
    & skf21("4","2","2","4","7","4","1","1") = "6"
    & skf21("4","2","2","4","7","4","2","1") = "6"
    & skf21("4","2","2","4","7","4","3","1") = "6"
    & skf21("4","2","2","4","7","4","4","1") = "6"
    & skf21("4","2","2","4","7","4","5","1") = "6"
    & skf21("4","2","2","4","7","4","6","1") = "6"
    & skf21("4","2","2","4","7","4","7","1") = "6"
    & skf21("4","2","2","4","7","5","1","1") = "6"
    & skf21("4","2","2","4","7","5","2","1") = "6"
    & skf21("4","2","2","4","7","5","3","1") = "6"
    & skf21("4","2","2","4","7","5","4","1") = "6"
    & skf21("4","2","2","4","7","5","5","1") = "6"
    & skf21("4","2","2","4","7","5","6","1") = "6"
    & skf21("4","2","2","4","7","5","7","1") = "6"
    & skf21("4","2","2","4","7","6","1","1") = "6"
    & skf21("4","2","2","4","7","6","2","1") = "6"
    & skf21("4","2","2","4","7","6","3","1") = "6"
    & skf21("4","2","2","4","7","6","4","1") = "6"
    & skf21("4","2","2","4","7","6","5","1") = "6"
    & skf21("4","2","2","4","7","6","6","1") = "6"
    & skf21("4","2","2","4","7","6","7","1") = "6"
    & skf21("4","2","2","4","7","7","1","1") = "6"
    & skf21("4","2","2","4","7","7","2","1") = "6"
    & skf21("4","2","2","4","7","7","3","1") = "6"
    & skf21("4","2","2","4","7","7","4","1") = "6"
    & skf21("4","2","2","4","7","7","5","1") = "6"
    & skf21("4","2","2","4","7","7","6","1") = "6"
    & skf21("4","2","2","4","7","7","7","1") = "6"
    & skf21("4","2","2","5","1","1","1","1") = "4"
    & skf21("4","2","2","5","1","1","2","1") = "4"
    & skf21("4","2","2","5","1","1","3","1") = "4"
    & skf21("4","2","2","5","1","1","4","1") = "4"
    & skf21("4","2","2","5","1","1","5","1") = "4"
    & skf21("4","2","2","5","1","1","6","1") = "5"
    & skf21("4","2","2","5","1","1","7","1") = "6"
    & skf21("4","2","2","5","1","2","1","1") = "4"
    & skf21("4","2","2","5","1","2","2","1") = "4"
    & skf21("4","2","2","5","1","2","3","1") = "4"
    & skf21("4","2","2","5","1","2","4","1") = "4"
    & skf21("4","2","2","5","1","2","5","1") = "4"
    & skf21("4","2","2","5","1","2","6","1") = "5"
    & skf21("4","2","2","5","1","2","7","1") = "6"
    & skf21("4","2","2","5","1","3","1","1") = "4"
    & skf21("4","2","2","5","1","3","2","1") = "4"
    & skf21("4","2","2","5","1","3","3","1") = "4"
    & skf21("4","2","2","5","1","3","4","1") = "4"
    & skf21("4","2","2","5","1","3","5","1") = "4"
    & skf21("4","2","2","5","1","3","6","1") = "5"
    & skf21("4","2","2","5","1","3","7","1") = "6"
    & skf21("4","2","2","5","1","4","1","1") = "4"
    & skf21("4","2","2","5","1","4","2","1") = "4"
    & skf21("4","2","2","5","1","4","3","1") = "4"
    & skf21("4","2","2","5","1","4","4","1") = "4"
    & skf21("4","2","2","5","1","4","5","1") = "4"
    & skf21("4","2","2","5","1","4","6","1") = "5"
    & skf21("4","2","2","5","1","4","7","1") = "6"
    & skf21("4","2","2","5","1","5","1","1") = "4"
    & skf21("4","2","2","5","1","5","2","1") = "4"
    & skf21("4","2","2","5","1","5","3","1") = "4"
    & skf21("4","2","2","5","1","5","4","1") = "4"
    & skf21("4","2","2","5","1","5","5","1") = "4"
    & skf21("4","2","2","5","1","5","6","1") = "5"
    & skf21("4","2","2","5","1","5","7","1") = "6"
    & skf21("4","2","2","5","1","6","1","1") = "5"
    & skf21("4","2","2","5","1","6","2","1") = "5"
    & skf21("4","2","2","5","1","6","3","1") = "5"
    & skf21("4","2","2","5","1","6","4","1") = "5"
    & skf21("4","2","2","5","1","6","5","1") = "5"
    & skf21("4","2","2","5","1","6","6","1") = "5"
    & skf21("4","2","2","5","1","6","7","1") = "6"
    & skf21("4","2","2","5","1","7","1","1") = "6"
    & skf21("4","2","2","5","1","7","2","1") = "6"
    & skf21("4","2","2","5","1","7","3","1") = "6"
    & skf21("4","2","2","5","1","7","4","1") = "6"
    & skf21("4","2","2","5","1","7","5","1") = "6"
    & skf21("4","2","2","5","1","7","6","1") = "6"
    & skf21("4","2","2","5","1","7","7","1") = "6"
    & skf21("4","2","2","5","2","1","1","1") = "4"
    & skf21("4","2","2","5","2","1","2","1") = "4"
    & skf21("4","2","2","5","2","1","3","1") = "4"
    & skf21("4","2","2","5","2","1","4","1") = "4"
    & skf21("4","2","2","5","2","1","5","1") = "4"
    & skf21("4","2","2","5","2","1","6","1") = "5"
    & skf21("4","2","2","5","2","1","7","1") = "6"
    & skf21("4","2","2","5","2","2","1","1") = "4"
    & skf21("4","2","2","5","2","2","2","1") = "4"
    & skf21("4","2","2","5","2","2","3","1") = "4"
    & skf21("4","2","2","5","2","2","4","1") = "4"
    & skf21("4","2","2","5","2","2","5","1") = "4"
    & skf21("4","2","2","5","2","2","6","1") = "5"
    & skf21("4","2","2","5","2","2","7","1") = "6"
    & skf21("4","2","2","5","2","3","1","1") = "4"
    & skf21("4","2","2","5","2","3","2","1") = "4"
    & skf21("4","2","2","5","2","3","3","1") = "4"
    & skf21("4","2","2","5","2","3","4","1") = "4"
    & skf21("4","2","2","5","2","3","5","1") = "4"
    & skf21("4","2","2","5","2","3","6","1") = "5"
    & skf21("4","2","2","5","2","3","7","1") = "6"
    & skf21("4","2","2","5","2","4","1","1") = "4"
    & skf21("4","2","2","5","2","4","2","1") = "4"
    & skf21("4","2","2","5","2","4","3","1") = "4"
    & skf21("4","2","2","5","2","4","4","1") = "4"
    & skf21("4","2","2","5","2","4","5","1") = "4"
    & skf21("4","2","2","5","2","4","6","1") = "5"
    & skf21("4","2","2","5","2","4","7","1") = "6"
    & skf21("4","2","2","5","2","5","1","1") = "4"
    & skf21("4","2","2","5","2","5","2","1") = "4"
    & skf21("4","2","2","5","2","5","3","1") = "4"
    & skf21("4","2","2","5","2","5","4","1") = "4"
    & skf21("4","2","2","5","2","5","5","1") = "4"
    & skf21("4","2","2","5","2","5","6","1") = "5"
    & skf21("4","2","2","5","2","5","7","1") = "6"
    & skf21("4","2","2","5","2","6","1","1") = "5"
    & skf21("4","2","2","5","2","6","2","1") = "5"
    & skf21("4","2","2","5","2","6","3","1") = "5"
    & skf21("4","2","2","5","2","6","4","1") = "5"
    & skf21("4","2","2","5","2","6","5","1") = "5"
    & skf21("4","2","2","5","2","6","6","1") = "5"
    & skf21("4","2","2","5","2","6","7","1") = "6"
    & skf21("4","2","2","5","2","7","1","1") = "6"
    & skf21("4","2","2","5","2","7","2","1") = "6"
    & skf21("4","2","2","5","2","7","3","1") = "6"
    & skf21("4","2","2","5","2","7","4","1") = "6"
    & skf21("4","2","2","5","2","7","5","1") = "6"
    & skf21("4","2","2","5","2","7","6","1") = "6"
    & skf21("4","2","2","5","2","7","7","1") = "6"
    & skf21("4","2","2","5","3","1","1","1") = "4"
    & skf21("4","2","2","5","3","1","2","1") = "4"
    & skf21("4","2","2","5","3","1","3","1") = "4"
    & skf21("4","2","2","5","3","1","4","1") = "4"
    & skf21("4","2","2","5","3","1","5","1") = "4"
    & skf21("4","2","2","5","3","1","6","1") = "5"
    & skf21("4","2","2","5","3","1","7","1") = "6"
    & skf21("4","2","2","5","3","2","1","1") = "4"
    & skf21("4","2","2","5","3","2","2","1") = "4"
    & skf21("4","2","2","5","3","2","3","1") = "4"
    & skf21("4","2","2","5","3","2","4","1") = "4"
    & skf21("4","2","2","5","3","2","5","1") = "4"
    & skf21("4","2","2","5","3","2","6","1") = "5"
    & skf21("4","2","2","5","3","2","7","1") = "6"
    & skf21("4","2","2","5","3","3","1","1") = "4"
    & skf21("4","2","2","5","3","3","2","1") = "4"
    & skf21("4","2","2","5","3","3","3","1") = "4"
    & skf21("4","2","2","5","3","3","4","1") = "4"
    & skf21("4","2","2","5","3","3","5","1") = "4"
    & skf21("4","2","2","5","3","3","6","1") = "5"
    & skf21("4","2","2","5","3","3","7","1") = "6"
    & skf21("4","2","2","5","3","4","1","1") = "4"
    & skf21("4","2","2","5","3","4","2","1") = "4"
    & skf21("4","2","2","5","3","4","3","1") = "4"
    & skf21("4","2","2","5","3","4","4","1") = "4"
    & skf21("4","2","2","5","3","4","5","1") = "4"
    & skf21("4","2","2","5","3","4","6","1") = "5"
    & skf21("4","2","2","5","3","4","7","1") = "6"
    & skf21("4","2","2","5","3","5","1","1") = "4"
    & skf21("4","2","2","5","3","5","2","1") = "4"
    & skf21("4","2","2","5","3","5","3","1") = "4"
    & skf21("4","2","2","5","3","5","4","1") = "4"
    & skf21("4","2","2","5","3","5","5","1") = "4"
    & skf21("4","2","2","5","3","5","6","1") = "5"
    & skf21("4","2","2","5","3","5","7","1") = "6"
    & skf21("4","2","2","5","3","6","1","1") = "5"
    & skf21("4","2","2","5","3","6","2","1") = "5"
    & skf21("4","2","2","5","3","6","3","1") = "5"
    & skf21("4","2","2","5","3","6","4","1") = "5"
    & skf21("4","2","2","5","3","6","5","1") = "5"
    & skf21("4","2","2","5","3","6","6","1") = "5"
    & skf21("4","2","2","5","3","6","7","1") = "6"
    & skf21("4","2","2","5","3","7","1","1") = "6"
    & skf21("4","2","2","5","3","7","2","1") = "6"
    & skf21("4","2","2","5","3","7","3","1") = "6"
    & skf21("4","2","2","5","3","7","4","1") = "6"
    & skf21("4","2","2","5","3","7","5","1") = "6"
    & skf21("4","2","2","5","3","7","6","1") = "6"
    & skf21("4","2","2","5","3","7","7","1") = "6"
    & skf21("4","2","2","5","4","1","1","1") = "4"
    & skf21("4","2","2","5","4","1","2","1") = "4"
    & skf21("4","2","2","5","4","1","3","1") = "4"
    & skf21("4","2","2","5","4","1","4","1") = "4"
    & skf21("4","2","2","5","4","1","5","1") = "4"
    & skf21("4","2","2","5","4","1","6","1") = "5"
    & skf21("4","2","2","5","4","1","7","1") = "6"
    & skf21("4","2","2","5","4","2","1","1") = "4"
    & skf21("4","2","2","5","4","2","2","1") = "4"
    & skf21("4","2","2","5","4","2","3","1") = "4"
    & skf21("4","2","2","5","4","2","4","1") = "4"
    & skf21("4","2","2","5","4","2","5","1") = "4"
    & skf21("4","2","2","5","4","2","6","1") = "5"
    & skf21("4","2","2","5","4","2","7","1") = "6"
    & skf21("4","2","2","5","4","3","1","1") = "4"
    & skf21("4","2","2","5","4","3","2","1") = "4"
    & skf21("4","2","2","5","4","3","3","1") = "4"
    & skf21("4","2","2","5","4","3","4","1") = "4"
    & skf21("4","2","2","5","4","3","5","1") = "4"
    & skf21("4","2","2","5","4","3","6","1") = "5"
    & skf21("4","2","2","5","4","3","7","1") = "6"
    & skf21("4","2","2","5","4","4","1","1") = "4"
    & skf21("4","2","2","5","4","4","2","1") = "4"
    & skf21("4","2","2","5","4","4","3","1") = "4"
    & skf21("4","2","2","5","4","4","4","1") = "4"
    & skf21("4","2","2","5","4","4","5","1") = "4"
    & skf21("4","2","2","5","4","4","6","1") = "5"
    & skf21("4","2","2","5","4","4","7","1") = "6"
    & skf21("4","2","2","5","4","5","1","1") = "4"
    & skf21("4","2","2","5","4","5","2","1") = "4"
    & skf21("4","2","2","5","4","5","3","1") = "4"
    & skf21("4","2","2","5","4","5","4","1") = "4"
    & skf21("4","2","2","5","4","5","5","1") = "4"
    & skf21("4","2","2","5","4","5","6","1") = "5"
    & skf21("4","2","2","5","4","5","7","1") = "6"
    & skf21("4","2","2","5","4","6","1","1") = "5"
    & skf21("4","2","2","5","4","6","2","1") = "5"
    & skf21("4","2","2","5","4","6","3","1") = "5"
    & skf21("4","2","2","5","4","6","4","1") = "5"
    & skf21("4","2","2","5","4","6","5","1") = "5"
    & skf21("4","2","2","5","4","6","6","1") = "5"
    & skf21("4","2","2","5","4","6","7","1") = "6"
    & skf21("4","2","2","5","4","7","1","1") = "6"
    & skf21("4","2","2","5","4","7","2","1") = "6"
    & skf21("4","2","2","5","4","7","3","1") = "6"
    & skf21("4","2","2","5","4","7","4","1") = "6"
    & skf21("4","2","2","5","4","7","5","1") = "6"
    & skf21("4","2","2","5","4","7","6","1") = "6"
    & skf21("4","2","2","5","4","7","7","1") = "6"
    & skf21("4","2","2","5","5","1","1","1") = "4"
    & skf21("4","2","2","5","5","1","2","1") = "4"
    & skf21("4","2","2","5","5","1","3","1") = "4"
    & skf21("4","2","2","5","5","1","4","1") = "4"
    & skf21("4","2","2","5","5","1","5","1") = "4"
    & skf21("4","2","2","5","5","1","6","1") = "5"
    & skf21("4","2","2","5","5","1","7","1") = "6"
    & skf21("4","2","2","5","5","2","1","1") = "4"
    & skf21("4","2","2","5","5","2","2","1") = "4"
    & skf21("4","2","2","5","5","2","3","1") = "4"
    & skf21("4","2","2","5","5","2","4","1") = "4"
    & skf21("4","2","2","5","5","2","5","1") = "4"
    & skf21("4","2","2","5","5","2","6","1") = "5"
    & skf21("4","2","2","5","5","2","7","1") = "6"
    & skf21("4","2","2","5","5","3","1","1") = "4"
    & skf21("4","2","2","5","5","3","2","1") = "4"
    & skf21("4","2","2","5","5","3","3","1") = "4"
    & skf21("4","2","2","5","5","3","4","1") = "4"
    & skf21("4","2","2","5","5","3","5","1") = "4"
    & skf21("4","2","2","5","5","3","6","1") = "5"
    & skf21("4","2","2","5","5","3","7","1") = "6"
    & skf21("4","2","2","5","5","4","1","1") = "4"
    & skf21("4","2","2","5","5","4","2","1") = "4"
    & skf21("4","2","2","5","5","4","3","1") = "4"
    & skf21("4","2","2","5","5","4","4","1") = "4"
    & skf21("4","2","2","5","5","4","5","1") = "4"
    & skf21("4","2","2","5","5","4","6","1") = "5"
    & skf21("4","2","2","5","5","4","7","1") = "6"
    & skf21("4","2","2","5","5","5","1","1") = "4"
    & skf21("4","2","2","5","5","5","2","1") = "4"
    & skf21("4","2","2","5","5","5","3","1") = "4"
    & skf21("4","2","2","5","5","5","4","1") = "4"
    & skf21("4","2","2","5","5","5","5","1") = "4"
    & skf21("4","2","2","5","5","5","6","1") = "5"
    & skf21("4","2","2","5","5","5","7","1") = "6"
    & skf21("4","2","2","5","5","6","1","1") = "5"
    & skf21("4","2","2","5","5","6","2","1") = "5"
    & skf21("4","2","2","5","5","6","3","1") = "5"
    & skf21("4","2","2","5","5","6","4","1") = "5"
    & skf21("4","2","2","5","5","6","5","1") = "5"
    & skf21("4","2","2","5","5","6","6","1") = "5"
    & skf21("4","2","2","5","5","6","7","1") = "6"
    & skf21("4","2","2","5","5","7","1","1") = "6"
    & skf21("4","2","2","5","5","7","2","1") = "6"
    & skf21("4","2","2","5","5","7","3","1") = "6"
    & skf21("4","2","2","5","5","7","4","1") = "6"
    & skf21("4","2","2","5","5","7","5","1") = "6"
    & skf21("4","2","2","5","5","7","6","1") = "6"
    & skf21("4","2","2","5","5","7","7","1") = "6"
    & skf21("4","2","2","5","6","1","1","1") = "5"
    & skf21("4","2","2","5","6","1","2","1") = "5"
    & skf21("4","2","2","5","6","1","3","1") = "5"
    & skf21("4","2","2","5","6","1","4","1") = "5"
    & skf21("4","2","2","5","6","1","5","1") = "5"
    & skf21("4","2","2","5","6","1","6","1") = "5"
    & skf21("4","2","2","5","6","1","7","1") = "6"
    & skf21("4","2","2","5","6","2","1","1") = "5"
    & skf21("4","2","2","5","6","2","2","1") = "5"
    & skf21("4","2","2","5","6","2","3","1") = "5"
    & skf21("4","2","2","5","6","2","4","1") = "5"
    & skf21("4","2","2","5","6","2","5","1") = "5"
    & skf21("4","2","2","5","6","2","6","1") = "5"
    & skf21("4","2","2","5","6","2","7","1") = "6"
    & skf21("4","2","2","5","6","3","1","1") = "5"
    & skf21("4","2","2","5","6","3","2","1") = "5"
    & skf21("4","2","2","5","6","3","3","1") = "5"
    & skf21("4","2","2","5","6","3","4","1") = "5"
    & skf21("4","2","2","5","6","3","5","1") = "5"
    & skf21("4","2","2","5","6","3","6","1") = "5"
    & skf21("4","2","2","5","6","3","7","1") = "6"
    & skf21("4","2","2","5","6","4","1","1") = "5"
    & skf21("4","2","2","5","6","4","2","1") = "5"
    & skf21("4","2","2","5","6","4","3","1") = "5"
    & skf21("4","2","2","5","6","4","4","1") = "5"
    & skf21("4","2","2","5","6","4","5","1") = "5"
    & skf21("4","2","2","5","6","4","6","1") = "5"
    & skf21("4","2","2","5","6","4","7","1") = "6"
    & skf21("4","2","2","5","6","5","1","1") = "5"
    & skf21("4","2","2","5","6","5","2","1") = "5"
    & skf21("4","2","2","5","6","5","3","1") = "5"
    & skf21("4","2","2","5","6","5","4","1") = "5"
    & skf21("4","2","2","5","6","5","5","1") = "5"
    & skf21("4","2","2","5","6","5","6","1") = "5"
    & skf21("4","2","2","5","6","5","7","1") = "6"
    & skf21("4","2","2","5","6","6","1","1") = "5"
    & skf21("4","2","2","5","6","6","2","1") = "5"
    & skf21("4","2","2","5","6","6","3","1") = "5"
    & skf21("4","2","2","5","6","6","4","1") = "5"
    & skf21("4","2","2","5","6","6","5","1") = "5"
    & skf21("4","2","2","5","6","6","6","1") = "5"
    & skf21("4","2","2","5","6","6","7","1") = "6"
    & skf21("4","2","2","5","6","7","1","1") = "6"
    & skf21("4","2","2","5","6","7","2","1") = "6"
    & skf21("4","2","2","5","6","7","3","1") = "6"
    & skf21("4","2","2","5","6","7","4","1") = "6"
    & skf21("4","2","2","5","6","7","5","1") = "6"
    & skf21("4","2","2","5","6","7","6","1") = "6"
    & skf21("4","2","2","5","6","7","7","1") = "6"
    & skf21("4","2","2","5","7","1","1","1") = "6"
    & skf21("4","2","2","5","7","1","2","1") = "6"
    & skf21("4","2","2","5","7","1","3","1") = "6"
    & skf21("4","2","2","5","7","1","4","1") = "6"
    & skf21("4","2","2","5","7","1","5","1") = "6"
    & skf21("4","2","2","5","7","1","6","1") = "6"
    & skf21("4","2","2","5","7","1","7","1") = "6"
    & skf21("4","2","2","5","7","2","1","1") = "6"
    & skf21("4","2","2","5","7","2","2","1") = "6"
    & skf21("4","2","2","5","7","2","3","1") = "6"
    & skf21("4","2","2","5","7","2","4","1") = "6"
    & skf21("4","2","2","5","7","2","5","1") = "6"
    & skf21("4","2","2","5","7","2","6","1") = "6"
    & skf21("4","2","2","5","7","2","7","1") = "6"
    & skf21("4","2","2","5","7","3","1","1") = "6"
    & skf21("4","2","2","5","7","3","2","1") = "6"
    & skf21("4","2","2","5","7","3","3","1") = "6"
    & skf21("4","2","2","5","7","3","4","1") = "6"
    & skf21("4","2","2","5","7","3","5","1") = "6"
    & skf21("4","2","2","5","7","3","6","1") = "6"
    & skf21("4","2","2","5","7","3","7","1") = "6"
    & skf21("4","2","2","5","7","4","1","1") = "6"
    & skf21("4","2","2","5","7","4","2","1") = "6"
    & skf21("4","2","2","5","7","4","3","1") = "6"
    & skf21("4","2","2","5","7","4","4","1") = "6"
    & skf21("4","2","2","5","7","4","5","1") = "6"
    & skf21("4","2","2","5","7","4","6","1") = "6"
    & skf21("4","2","2","5","7","4","7","1") = "6"
    & skf21("4","2","2","5","7","5","1","1") = "6"
    & skf21("4","2","2","5","7","5","2","1") = "6"
    & skf21("4","2","2","5","7","5","3","1") = "6"
    & skf21("4","2","2","5","7","5","4","1") = "6"
    & skf21("4","2","2","5","7","5","5","1") = "6"
    & skf21("4","2","2","5","7","5","6","1") = "6"
    & skf21("4","2","2","5","7","5","7","1") = "6"
    & skf21("4","2","2","5","7","6","1","1") = "6"
    & skf21("4","2","2","5","7","6","2","1") = "6"
    & skf21("4","2","2","5","7","6","3","1") = "6"
    & skf21("4","2","2","5","7","6","4","1") = "6"
    & skf21("4","2","2","5","7","6","5","1") = "6"
    & skf21("4","2","2","5","7","6","6","1") = "6"
    & skf21("4","2","2","5","7","6","7","1") = "6"
    & skf21("4","2","2","5","7","7","1","1") = "6"
    & skf21("4","2","2","5","7","7","2","1") = "6"
    & skf21("4","2","2","5","7","7","3","1") = "6"
    & skf21("4","2","2","5","7","7","4","1") = "6"
    & skf21("4","2","2","5","7","7","5","1") = "6"
    & skf21("4","2","2","5","7","7","6","1") = "6"
    & skf21("4","2","2","5","7","7","7","1") = "6"
    & skf21("4","2","2","6","1","1","1","1") = "5"
    & skf21("4","2","2","6","1","1","2","1") = "5"
    & skf21("4","2","2","6","1","1","3","1") = "5"
    & skf21("4","2","2","6","1","1","4","1") = "5"
    & skf21("4","2","2","6","1","1","5","1") = "5"
    & skf21("4","2","2","6","1","1","6","1") = "5"
    & skf21("4","2","2","6","1","1","7","1") = "6"
    & skf21("4","2","2","6","1","2","1","1") = "5"
    & skf21("4","2","2","6","1","2","2","1") = "5"
    & skf21("4","2","2","6","1","2","3","1") = "5"
    & skf21("4","2","2","6","1","2","4","1") = "5"
    & skf21("4","2","2","6","1","2","5","1") = "5"
    & skf21("4","2","2","6","1","2","6","1") = "5"
    & skf21("4","2","2","6","1","2","7","1") = "6"
    & skf21("4","2","2","6","1","3","1","1") = "5"
    & skf21("4","2","2","6","1","3","2","1") = "5"
    & skf21("4","2","2","6","1","3","3","1") = "5"
    & skf21("4","2","2","6","1","3","4","1") = "5"
    & skf21("4","2","2","6","1","3","5","1") = "5"
    & skf21("4","2","2","6","1","3","6","1") = "5"
    & skf21("4","2","2","6","1","3","7","1") = "6"
    & skf21("4","2","2","6","1","4","1","1") = "5"
    & skf21("4","2","2","6","1","4","2","1") = "5"
    & skf21("4","2","2","6","1","4","3","1") = "5"
    & skf21("4","2","2","6","1","4","4","1") = "5"
    & skf21("4","2","2","6","1","4","5","1") = "5"
    & skf21("4","2","2","6","1","4","6","1") = "5"
    & skf21("4","2","2","6","1","4","7","1") = "6"
    & skf21("4","2","2","6","1","5","1","1") = "5"
    & skf21("4","2","2","6","1","5","2","1") = "5"
    & skf21("4","2","2","6","1","5","3","1") = "5"
    & skf21("4","2","2","6","1","5","4","1") = "5"
    & skf21("4","2","2","6","1","5","5","1") = "5"
    & skf21("4","2","2","6","1","5","6","1") = "5"
    & skf21("4","2","2","6","1","5","7","1") = "6"
    & skf21("4","2","2","6","1","6","1","1") = "5"
    & skf21("4","2","2","6","1","6","2","1") = "5"
    & skf21("4","2","2","6","1","6","3","1") = "5"
    & skf21("4","2","2","6","1","6","4","1") = "5"
    & skf21("4","2","2","6","1","6","5","1") = "5"
    & skf21("4","2","2","6","1","6","6","1") = "5"
    & skf21("4","2","2","6","1","6","7","1") = "6"
    & skf21("4","2","2","6","1","7","1","1") = "6"
    & skf21("4","2","2","6","1","7","2","1") = "6"
    & skf21("4","2","2","6","1","7","3","1") = "6"
    & skf21("4","2","2","6","1","7","4","1") = "6"
    & skf21("4","2","2","6","1","7","5","1") = "6"
    & skf21("4","2","2","6","1","7","6","1") = "6"
    & skf21("4","2","2","6","1","7","7","1") = "6"
    & skf21("4","2","2","6","2","1","1","1") = "5"
    & skf21("4","2","2","6","2","1","2","1") = "5"
    & skf21("4","2","2","6","2","1","3","1") = "5"
    & skf21("4","2","2","6","2","1","4","1") = "5"
    & skf21("4","2","2","6","2","1","5","1") = "5"
    & skf21("4","2","2","6","2","1","6","1") = "5"
    & skf21("4","2","2","6","2","1","7","1") = "6"
    & skf21("4","2","2","6","2","2","1","1") = "5"
    & skf21("4","2","2","6","2","2","2","1") = "5"
    & skf21("4","2","2","6","2","2","3","1") = "5"
    & skf21("4","2","2","6","2","2","4","1") = "5"
    & skf21("4","2","2","6","2","2","5","1") = "5"
    & skf21("4","2","2","6","2","2","6","1") = "5"
    & skf21("4","2","2","6","2","2","7","1") = "6"
    & skf21("4","2","2","6","2","3","1","1") = "5"
    & skf21("4","2","2","6","2","3","2","1") = "5"
    & skf21("4","2","2","6","2","3","3","1") = "5"
    & skf21("4","2","2","6","2","3","4","1") = "5"
    & skf21("4","2","2","6","2","3","5","1") = "5"
    & skf21("4","2","2","6","2","3","6","1") = "5"
    & skf21("4","2","2","6","2","3","7","1") = "6"
    & skf21("4","2","2","6","2","4","1","1") = "5"
    & skf21("4","2","2","6","2","4","2","1") = "5"
    & skf21("4","2","2","6","2","4","3","1") = "5"
    & skf21("4","2","2","6","2","4","4","1") = "5"
    & skf21("4","2","2","6","2","4","5","1") = "5"
    & skf21("4","2","2","6","2","4","6","1") = "5"
    & skf21("4","2","2","6","2","4","7","1") = "6"
    & skf21("4","2","2","6","2","5","1","1") = "5"
    & skf21("4","2","2","6","2","5","2","1") = "5"
    & skf21("4","2","2","6","2","5","3","1") = "5"
    & skf21("4","2","2","6","2","5","4","1") = "5"
    & skf21("4","2","2","6","2","5","5","1") = "5"
    & skf21("4","2","2","6","2","5","6","1") = "5"
    & skf21("4","2","2","6","2","5","7","1") = "6"
    & skf21("4","2","2","6","2","6","1","1") = "5"
    & skf21("4","2","2","6","2","6","2","1") = "5"
    & skf21("4","2","2","6","2","6","3","1") = "5"
    & skf21("4","2","2","6","2","6","4","1") = "5"
    & skf21("4","2","2","6","2","6","5","1") = "5"
    & skf21("4","2","2","6","2","6","6","1") = "5"
    & skf21("4","2","2","6","2","6","7","1") = "6"
    & skf21("4","2","2","6","2","7","1","1") = "6"
    & skf21("4","2","2","6","2","7","2","1") = "6"
    & skf21("4","2","2","6","2","7","3","1") = "6"
    & skf21("4","2","2","6","2","7","4","1") = "6"
    & skf21("4","2","2","6","2","7","5","1") = "6"
    & skf21("4","2","2","6","2","7","6","1") = "6"
    & skf21("4","2","2","6","2","7","7","1") = "6"
    & skf21("4","2","2","6","3","1","1","1") = "5"
    & skf21("4","2","2","6","3","1","2","1") = "5"
    & skf21("4","2","2","6","3","1","3","1") = "5"
    & skf21("4","2","2","6","3","1","4","1") = "5"
    & skf21("4","2","2","6","3","1","5","1") = "5"
    & skf21("4","2","2","6","3","1","6","1") = "5"
    & skf21("4","2","2","6","3","1","7","1") = "6"
    & skf21("4","2","2","6","3","2","1","1") = "5"
    & skf21("4","2","2","6","3","2","2","1") = "5"
    & skf21("4","2","2","6","3","2","3","1") = "5"
    & skf21("4","2","2","6","3","2","4","1") = "5"
    & skf21("4","2","2","6","3","2","5","1") = "5"
    & skf21("4","2","2","6","3","2","6","1") = "5"
    & skf21("4","2","2","6","3","2","7","1") = "6"
    & skf21("4","2","2","6","3","3","1","1") = "5"
    & skf21("4","2","2","6","3","3","2","1") = "5"
    & skf21("4","2","2","6","3","3","3","1") = "5"
    & skf21("4","2","2","6","3","3","4","1") = "5"
    & skf21("4","2","2","6","3","3","5","1") = "5"
    & skf21("4","2","2","6","3","3","6","1") = "5"
    & skf21("4","2","2","6","3","3","7","1") = "6"
    & skf21("4","2","2","6","3","4","1","1") = "5"
    & skf21("4","2","2","6","3","4","2","1") = "5"
    & skf21("4","2","2","6","3","4","3","1") = "5"
    & skf21("4","2","2","6","3","4","4","1") = "5"
    & skf21("4","2","2","6","3","4","5","1") = "5"
    & skf21("4","2","2","6","3","4","6","1") = "5"
    & skf21("4","2","2","6","3","4","7","1") = "6"
    & skf21("4","2","2","6","3","5","1","1") = "5"
    & skf21("4","2","2","6","3","5","2","1") = "5"
    & skf21("4","2","2","6","3","5","3","1") = "5"
    & skf21("4","2","2","6","3","5","4","1") = "5"
    & skf21("4","2","2","6","3","5","5","1") = "5"
    & skf21("4","2","2","6","3","5","6","1") = "5"
    & skf21("4","2","2","6","3","5","7","1") = "6"
    & skf21("4","2","2","6","3","6","1","1") = "5"
    & skf21("4","2","2","6","3","6","2","1") = "5"
    & skf21("4","2","2","6","3","6","3","1") = "5"
    & skf21("4","2","2","6","3","6","4","1") = "5"
    & skf21("4","2","2","6","3","6","5","1") = "5"
    & skf21("4","2","2","6","3","6","6","1") = "5"
    & skf21("4","2","2","6","3","6","7","1") = "6"
    & skf21("4","2","2","6","3","7","1","1") = "6"
    & skf21("4","2","2","6","3","7","2","1") = "6"
    & skf21("4","2","2","6","3","7","3","1") = "6"
    & skf21("4","2","2","6","3","7","4","1") = "6"
    & skf21("4","2","2","6","3","7","5","1") = "6"
    & skf21("4","2","2","6","3","7","6","1") = "6"
    & skf21("4","2","2","6","3","7","7","1") = "6"
    & skf21("4","2","2","6","4","1","1","1") = "5"
    & skf21("4","2","2","6","4","1","2","1") = "5"
    & skf21("4","2","2","6","4","1","3","1") = "5"
    & skf21("4","2","2","6","4","1","4","1") = "5"
    & skf21("4","2","2","6","4","1","5","1") = "5"
    & skf21("4","2","2","6","4","1","6","1") = "5"
    & skf21("4","2","2","6","4","1","7","1") = "6"
    & skf21("4","2","2","6","4","2","1","1") = "5"
    & skf21("4","2","2","6","4","2","2","1") = "5"
    & skf21("4","2","2","6","4","2","3","1") = "5"
    & skf21("4","2","2","6","4","2","4","1") = "5"
    & skf21("4","2","2","6","4","2","5","1") = "5"
    & skf21("4","2","2","6","4","2","6","1") = "5"
    & skf21("4","2","2","6","4","2","7","1") = "6"
    & skf21("4","2","2","6","4","3","1","1") = "5"
    & skf21("4","2","2","6","4","3","2","1") = "5"
    & skf21("4","2","2","6","4","3","3","1") = "5"
    & skf21("4","2","2","6","4","3","4","1") = "5"
    & skf21("4","2","2","6","4","3","5","1") = "5"
    & skf21("4","2","2","6","4","3","6","1") = "5"
    & skf21("4","2","2","6","4","3","7","1") = "6"
    & skf21("4","2","2","6","4","4","1","1") = "5"
    & skf21("4","2","2","6","4","4","2","1") = "5"
    & skf21("4","2","2","6","4","4","3","1") = "5"
    & skf21("4","2","2","6","4","4","4","1") = "5"
    & skf21("4","2","2","6","4","4","5","1") = "5"
    & skf21("4","2","2","6","4","4","6","1") = "5"
    & skf21("4","2","2","6","4","4","7","1") = "6"
    & skf21("4","2","2","6","4","5","1","1") = "5"
    & skf21("4","2","2","6","4","5","2","1") = "5"
    & skf21("4","2","2","6","4","5","3","1") = "5"
    & skf21("4","2","2","6","4","5","4","1") = "5"
    & skf21("4","2","2","6","4","5","5","1") = "5"
    & skf21("4","2","2","6","4","5","6","1") = "5"
    & skf21("4","2","2","6","4","5","7","1") = "6"
    & skf21("4","2","2","6","4","6","1","1") = "5"
    & skf21("4","2","2","6","4","6","2","1") = "5"
    & skf21("4","2","2","6","4","6","3","1") = "5"
    & skf21("4","2","2","6","4","6","4","1") = "5"
    & skf21("4","2","2","6","4","6","5","1") = "5"
    & skf21("4","2","2","6","4","6","6","1") = "5"
    & skf21("4","2","2","6","4","6","7","1") = "6"
    & skf21("4","2","2","6","4","7","1","1") = "6"
    & skf21("4","2","2","6","4","7","2","1") = "6"
    & skf21("4","2","2","6","4","7","3","1") = "6"
    & skf21("4","2","2","6","4","7","4","1") = "6"
    & skf21("4","2","2","6","4","7","5","1") = "6"
    & skf21("4","2","2","6","4","7","6","1") = "6"
    & skf21("4","2","2","6","4","7","7","1") = "6"
    & skf21("4","2","2","6","5","1","1","1") = "5"
    & skf21("4","2","2","6","5","1","2","1") = "5"
    & skf21("4","2","2","6","5","1","3","1") = "5"
    & skf21("4","2","2","6","5","1","4","1") = "5"
    & skf21("4","2","2","6","5","1","5","1") = "5"
    & skf21("4","2","2","6","5","1","6","1") = "5"
    & skf21("4","2","2","6","5","1","7","1") = "6"
    & skf21("4","2","2","6","5","2","1","1") = "5"
    & skf21("4","2","2","6","5","2","2","1") = "5"
    & skf21("4","2","2","6","5","2","3","1") = "5"
    & skf21("4","2","2","6","5","2","4","1") = "5"
    & skf21("4","2","2","6","5","2","5","1") = "5"
    & skf21("4","2","2","6","5","2","6","1") = "5"
    & skf21("4","2","2","6","5","2","7","1") = "6"
    & skf21("4","2","2","6","5","3","1","1") = "5"
    & skf21("4","2","2","6","5","3","2","1") = "5"
    & skf21("4","2","2","6","5","3","3","1") = "5"
    & skf21("4","2","2","6","5","3","4","1") = "5"
    & skf21("4","2","2","6","5","3","5","1") = "5"
    & skf21("4","2","2","6","5","3","6","1") = "5"
    & skf21("4","2","2","6","5","3","7","1") = "6"
    & skf21("4","2","2","6","5","4","1","1") = "5"
    & skf21("4","2","2","6","5","4","2","1") = "5"
    & skf21("4","2","2","6","5","4","3","1") = "5"
    & skf21("4","2","2","6","5","4","4","1") = "5"
    & skf21("4","2","2","6","5","4","5","1") = "5"
    & skf21("4","2","2","6","5","4","6","1") = "5"
    & skf21("4","2","2","6","5","4","7","1") = "6"
    & skf21("4","2","2","6","5","5","1","1") = "5"
    & skf21("4","2","2","6","5","5","2","1") = "5"
    & skf21("4","2","2","6","5","5","3","1") = "5"
    & skf21("4","2","2","6","5","5","4","1") = "5"
    & skf21("4","2","2","6","5","5","5","1") = "5"
    & skf21("4","2","2","6","5","5","6","1") = "5"
    & skf21("4","2","2","6","5","5","7","1") = "6"
    & skf21("4","2","2","6","5","6","1","1") = "5"
    & skf21("4","2","2","6","5","6","2","1") = "5"
    & skf21("4","2","2","6","5","6","3","1") = "5"
    & skf21("4","2","2","6","5","6","4","1") = "5"
    & skf21("4","2","2","6","5","6","5","1") = "5"
    & skf21("4","2","2","6","5","6","6","1") = "5"
    & skf21("4","2","2","6","5","6","7","1") = "6"
    & skf21("4","2","2","6","5","7","1","1") = "6"
    & skf21("4","2","2","6","5","7","2","1") = "6"
    & skf21("4","2","2","6","5","7","3","1") = "6"
    & skf21("4","2","2","6","5","7","4","1") = "6"
    & skf21("4","2","2","6","5","7","5","1") = "6"
    & skf21("4","2","2","6","5","7","6","1") = "6"
    & skf21("4","2","2","6","5","7","7","1") = "6"
    & skf21("4","2","2","6","6","1","1","1") = "5"
    & skf21("4","2","2","6","6","1","2","1") = "5"
    & skf21("4","2","2","6","6","1","3","1") = "5"
    & skf21("4","2","2","6","6","1","4","1") = "5"
    & skf21("4","2","2","6","6","1","5","1") = "5"
    & skf21("4","2","2","6","6","1","6","1") = "5"
    & skf21("4","2","2","6","6","1","7","1") = "6"
    & skf21("4","2","2","6","6","2","1","1") = "5"
    & skf21("4","2","2","6","6","2","2","1") = "5"
    & skf21("4","2","2","6","6","2","3","1") = "5"
    & skf21("4","2","2","6","6","2","4","1") = "5"
    & skf21("4","2","2","6","6","2","5","1") = "5"
    & skf21("4","2","2","6","6","2","6","1") = "5"
    & skf21("4","2","2","6","6","2","7","1") = "6"
    & skf21("4","2","2","6","6","3","1","1") = "5"
    & skf21("4","2","2","6","6","3","2","1") = "5"
    & skf21("4","2","2","6","6","3","3","1") = "5"
    & skf21("4","2","2","6","6","3","4","1") = "5"
    & skf21("4","2","2","6","6","3","5","1") = "5"
    & skf21("4","2","2","6","6","3","6","1") = "5"
    & skf21("4","2","2","6","6","3","7","1") = "6"
    & skf21("4","2","2","6","6","4","1","1") = "5"
    & skf21("4","2","2","6","6","4","2","1") = "5"
    & skf21("4","2","2","6","6","4","3","1") = "5"
    & skf21("4","2","2","6","6","4","4","1") = "5"
    & skf21("4","2","2","6","6","4","5","1") = "5"
    & skf21("4","2","2","6","6","4","6","1") = "5"
    & skf21("4","2","2","6","6","4","7","1") = "6"
    & skf21("4","2","2","6","6","5","1","1") = "5"
    & skf21("4","2","2","6","6","5","2","1") = "5"
    & skf21("4","2","2","6","6","5","3","1") = "5"
    & skf21("4","2","2","6","6","5","4","1") = "5"
    & skf21("4","2","2","6","6","5","5","1") = "5"
    & skf21("4","2","2","6","6","5","6","1") = "5"
    & skf21("4","2","2","6","6","5","7","1") = "6"
    & skf21("4","2","2","6","6","6","1","1") = "5"
    & skf21("4","2","2","6","6","6","2","1") = "5"
    & skf21("4","2","2","6","6","6","3","1") = "5"
    & skf21("4","2","2","6","6","6","4","1") = "5"
    & skf21("4","2","2","6","6","6","5","1") = "5"
    & skf21("4","2","2","6","6","6","6","1") = "5"
    & skf21("4","2","2","6","6","6","7","1") = "6"
    & skf21("4","2","2","6","6","7","1","1") = "6"
    & skf21("4","2","2","6","6","7","2","1") = "6"
    & skf21("4","2","2","6","6","7","3","1") = "6"
    & skf21("4","2","2","6","6","7","4","1") = "6"
    & skf21("4","2","2","6","6","7","5","1") = "6"
    & skf21("4","2","2","6","6","7","6","1") = "6"
    & skf21("4","2","2","6","6","7","7","1") = "6"
    & skf21("4","2","2","6","7","1","1","1") = "6"
    & skf21("4","2","2","6","7","1","2","1") = "6"
    & skf21("4","2","2","6","7","1","3","1") = "6"
    & skf21("4","2","2","6","7","1","4","1") = "6"
    & skf21("4","2","2","6","7","1","5","1") = "6"
    & skf21("4","2","2","6","7","1","6","1") = "6"
    & skf21("4","2","2","6","7","1","7","1") = "6"
    & skf21("4","2","2","6","7","2","1","1") = "6"
    & skf21("4","2","2","6","7","2","2","1") = "6"
    & skf21("4","2","2","6","7","2","3","1") = "6"
    & skf21("4","2","2","6","7","2","4","1") = "6"
    & skf21("4","2","2","6","7","2","5","1") = "6"
    & skf21("4","2","2","6","7","2","6","1") = "6"
    & skf21("4","2","2","6","7","2","7","1") = "6"
    & skf21("4","2","2","6","7","3","1","1") = "6"
    & skf21("4","2","2","6","7","3","2","1") = "6"
    & skf21("4","2","2","6","7","3","3","1") = "6"
    & skf21("4","2","2","6","7","3","4","1") = "6"
    & skf21("4","2","2","6","7","3","5","1") = "6"
    & skf21("4","2","2","6","7","3","6","1") = "6"
    & skf21("4","2","2","6","7","3","7","1") = "6"
    & skf21("4","2","2","6","7","4","1","1") = "6"
    & skf21("4","2","2","6","7","4","2","1") = "6"
    & skf21("4","2","2","6","7","4","3","1") = "6"
    & skf21("4","2","2","6","7","4","4","1") = "6"
    & skf21("4","2","2","6","7","4","5","1") = "6"
    & skf21("4","2","2","6","7","4","6","1") = "6"
    & skf21("4","2","2","6","7","4","7","1") = "6"
    & skf21("4","2","2","6","7","5","1","1") = "6"
    & skf21("4","2","2","6","7","5","2","1") = "6"
    & skf21("4","2","2","6","7","5","3","1") = "6"
    & skf21("4","2","2","6","7","5","4","1") = "6"
    & skf21("4","2","2","6","7","5","5","1") = "6"
    & skf21("4","2","2","6","7","5","6","1") = "6"
    & skf21("4","2","2","6","7","5","7","1") = "6"
    & skf21("4","2","2","6","7","6","1","1") = "6"
    & skf21("4","2","2","6","7","6","2","1") = "6"
    & skf21("4","2","2","6","7","6","3","1") = "6"
    & skf21("4","2","2","6","7","6","4","1") = "6"
    & skf21("4","2","2","6","7","6","5","1") = "6"
    & skf21("4","2","2","6","7","6","6","1") = "6"
    & skf21("4","2","2","6","7","6","7","1") = "6"
    & skf21("4","2","2","6","7","7","1","1") = "6"
    & skf21("4","2","2","6","7","7","2","1") = "6"
    & skf21("4","2","2","6","7","7","3","1") = "6"
    & skf21("4","2","2","6","7","7","4","1") = "6"
    & skf21("4","2","2","6","7","7","5","1") = "6"
    & skf21("4","2","2","6","7","7","6","1") = "6"
    & skf21("4","2","2","6","7","7","7","1") = "6"
    & skf21("4","2","2","7","1","1","1","1") = "6"
    & skf21("4","2","2","7","1","1","2","1") = "6"
    & skf21("4","2","2","7","1","1","3","1") = "6"
    & skf21("4","2","2","7","1","1","4","1") = "6"
    & skf21("4","2","2","7","1","1","5","1") = "6"
    & skf21("4","2","2","7","1","1","6","1") = "6"
    & skf21("4","2","2","7","1","1","7","1") = "6"
    & skf21("4","2","2","7","1","2","1","1") = "6"
    & skf21("4","2","2","7","1","2","2","1") = "6"
    & skf21("4","2","2","7","1","2","3","1") = "6"
    & skf21("4","2","2","7","1","2","4","1") = "6"
    & skf21("4","2","2","7","1","2","5","1") = "6"
    & skf21("4","2","2","7","1","2","6","1") = "6"
    & skf21("4","2","2","7","1","2","7","1") = "6"
    & skf21("4","2","2","7","1","3","1","1") = "6"
    & skf21("4","2","2","7","1","3","2","1") = "6"
    & skf21("4","2","2","7","1","3","3","1") = "6"
    & skf21("4","2","2","7","1","3","4","1") = "6"
    & skf21("4","2","2","7","1","3","5","1") = "6"
    & skf21("4","2","2","7","1","3","6","1") = "6"
    & skf21("4","2","2","7","1","3","7","1") = "6"
    & skf21("4","2","2","7","1","4","1","1") = "6"
    & skf21("4","2","2","7","1","4","2","1") = "6"
    & skf21("4","2","2","7","1","4","3","1") = "6"
    & skf21("4","2","2","7","1","4","4","1") = "6"
    & skf21("4","2","2","7","1","4","5","1") = "6"
    & skf21("4","2","2","7","1","4","6","1") = "6"
    & skf21("4","2","2","7","1","4","7","1") = "6"
    & skf21("4","2","2","7","1","5","1","1") = "6"
    & skf21("4","2","2","7","1","5","2","1") = "6"
    & skf21("4","2","2","7","1","5","3","1") = "6"
    & skf21("4","2","2","7","1","5","4","1") = "6"
    & skf21("4","2","2","7","1","5","5","1") = "6"
    & skf21("4","2","2","7","1","5","6","1") = "6"
    & skf21("4","2","2","7","1","5","7","1") = "6"
    & skf21("4","2","2","7","1","6","1","1") = "6"
    & skf21("4","2","2","7","1","6","2","1") = "6"
    & skf21("4","2","2","7","1","6","3","1") = "6"
    & skf21("4","2","2","7","1","6","4","1") = "6"
    & skf21("4","2","2","7","1","6","5","1") = "6"
    & skf21("4","2","2","7","1","6","6","1") = "6"
    & skf21("4","2","2","7","1","6","7","1") = "6"
    & skf21("4","2","2","7","1","7","1","1") = "6"
    & skf21("4","2","2","7","1","7","2","1") = "6"
    & skf21("4","2","2","7","1","7","3","1") = "6"
    & skf21("4","2","2","7","1","7","4","1") = "6"
    & skf21("4","2","2","7","1","7","5","1") = "6"
    & skf21("4","2","2","7","1","7","6","1") = "6"
    & skf21("4","2","2","7","1","7","7","1") = "6"
    & skf21("4","2","2","7","2","1","1","1") = "6"
    & skf21("4","2","2","7","2","1","2","1") = "6"
    & skf21("4","2","2","7","2","1","3","1") = "6"
    & skf21("4","2","2","7","2","1","4","1") = "6"
    & skf21("4","2","2","7","2","1","5","1") = "6"
    & skf21("4","2","2","7","2","1","6","1") = "6"
    & skf21("4","2","2","7","2","1","7","1") = "6"
    & skf21("4","2","2","7","2","2","1","1") = "6"
    & skf21("4","2","2","7","2","2","2","1") = "6"
    & skf21("4","2","2","7","2","2","3","1") = "6"
    & skf21("4","2","2","7","2","2","4","1") = "6"
    & skf21("4","2","2","7","2","2","5","1") = "6"
    & skf21("4","2","2","7","2","2","6","1") = "6"
    & skf21("4","2","2","7","2","2","7","1") = "6"
    & skf21("4","2","2","7","2","3","1","1") = "6"
    & skf21("4","2","2","7","2","3","2","1") = "6"
    & skf21("4","2","2","7","2","3","3","1") = "6"
    & skf21("4","2","2","7","2","3","4","1") = "6"
    & skf21("4","2","2","7","2","3","5","1") = "6"
    & skf21("4","2","2","7","2","3","6","1") = "6"
    & skf21("4","2","2","7","2","3","7","1") = "6"
    & skf21("4","2","2","7","2","4","1","1") = "6"
    & skf21("4","2","2","7","2","4","2","1") = "6"
    & skf21("4","2","2","7","2","4","3","1") = "6"
    & skf21("4","2","2","7","2","4","4","1") = "6"
    & skf21("4","2","2","7","2","4","5","1") = "6"
    & skf21("4","2","2","7","2","4","6","1") = "6"
    & skf21("4","2","2","7","2","4","7","1") = "6"
    & skf21("4","2","2","7","2","5","1","1") = "6"
    & skf21("4","2","2","7","2","5","2","1") = "6"
    & skf21("4","2","2","7","2","5","3","1") = "6"
    & skf21("4","2","2","7","2","5","4","1") = "6"
    & skf21("4","2","2","7","2","5","5","1") = "6"
    & skf21("4","2","2","7","2","5","6","1") = "6"
    & skf21("4","2","2","7","2","5","7","1") = "6"
    & skf21("4","2","2","7","2","6","1","1") = "6"
    & skf21("4","2","2","7","2","6","2","1") = "6"
    & skf21("4","2","2","7","2","6","3","1") = "6"
    & skf21("4","2","2","7","2","6","4","1") = "6"
    & skf21("4","2","2","7","2","6","5","1") = "6"
    & skf21("4","2","2","7","2","6","6","1") = "6"
    & skf21("4","2","2","7","2","6","7","1") = "6"
    & skf21("4","2","2","7","2","7","1","1") = "6"
    & skf21("4","2","2","7","2","7","2","1") = "6"
    & skf21("4","2","2","7","2","7","3","1") = "6"
    & skf21("4","2","2","7","2","7","4","1") = "6"
    & skf21("4","2","2","7","2","7","5","1") = "6"
    & skf21("4","2","2","7","2","7","6","1") = "6"
    & skf21("4","2","2","7","2","7","7","1") = "6"
    & skf21("4","2","2","7","3","1","1","1") = "6"
    & skf21("4","2","2","7","3","1","2","1") = "6"
    & skf21("4","2","2","7","3","1","3","1") = "6"
    & skf21("4","2","2","7","3","1","4","1") = "6"
    & skf21("4","2","2","7","3","1","5","1") = "6"
    & skf21("4","2","2","7","3","1","6","1") = "6"
    & skf21("4","2","2","7","3","1","7","1") = "6"
    & skf21("4","2","2","7","3","2","1","1") = "6"
    & skf21("4","2","2","7","3","2","2","1") = "6"
    & skf21("4","2","2","7","3","2","3","1") = "6"
    & skf21("4","2","2","7","3","2","4","1") = "6"
    & skf21("4","2","2","7","3","2","5","1") = "6"
    & skf21("4","2","2","7","3","2","6","1") = "6"
    & skf21("4","2","2","7","3","2","7","1") = "6"
    & skf21("4","2","2","7","3","3","1","1") = "6"
    & skf21("4","2","2","7","3","3","2","1") = "6"
    & skf21("4","2","2","7","3","3","3","1") = "6"
    & skf21("4","2","2","7","3","3","4","1") = "6"
    & skf21("4","2","2","7","3","3","5","1") = "6"
    & skf21("4","2","2","7","3","3","6","1") = "6"
    & skf21("4","2","2","7","3","3","7","1") = "6"
    & skf21("4","2","2","7","3","4","1","1") = "6"
    & skf21("4","2","2","7","3","4","2","1") = "6"
    & skf21("4","2","2","7","3","4","3","1") = "6"
    & skf21("4","2","2","7","3","4","4","1") = "6"
    & skf21("4","2","2","7","3","4","5","1") = "6"
    & skf21("4","2","2","7","3","4","6","1") = "6"
    & skf21("4","2","2","7","3","4","7","1") = "6"
    & skf21("4","2","2","7","3","5","1","1") = "6"
    & skf21("4","2","2","7","3","5","2","1") = "6"
    & skf21("4","2","2","7","3","5","3","1") = "6"
    & skf21("4","2","2","7","3","5","4","1") = "6"
    & skf21("4","2","2","7","3","5","5","1") = "6"
    & skf21("4","2","2","7","3","5","6","1") = "6"
    & skf21("4","2","2","7","3","5","7","1") = "6"
    & skf21("4","2","2","7","3","6","1","1") = "6"
    & skf21("4","2","2","7","3","6","2","1") = "6"
    & skf21("4","2","2","7","3","6","3","1") = "6"
    & skf21("4","2","2","7","3","6","4","1") = "6"
    & skf21("4","2","2","7","3","6","5","1") = "6"
    & skf21("4","2","2","7","3","6","6","1") = "6"
    & skf21("4","2","2","7","3","6","7","1") = "6"
    & skf21("4","2","2","7","3","7","1","1") = "6"
    & skf21("4","2","2","7","3","7","2","1") = "6"
    & skf21("4","2","2","7","3","7","3","1") = "6"
    & skf21("4","2","2","7","3","7","4","1") = "6"
    & skf21("4","2","2","7","3","7","5","1") = "6"
    & skf21("4","2","2","7","3","7","6","1") = "6"
    & skf21("4","2","2","7","3","7","7","1") = "6"
    & skf21("4","2","2","7","4","1","1","1") = "6"
    & skf21("4","2","2","7","4","1","2","1") = "6"
    & skf21("4","2","2","7","4","1","3","1") = "6"
    & skf21("4","2","2","7","4","1","4","1") = "6"
    & skf21("4","2","2","7","4","1","5","1") = "6"
    & skf21("4","2","2","7","4","1","6","1") = "6"
    & skf21("4","2","2","7","4","1","7","1") = "6"
    & skf21("4","2","2","7","4","2","1","1") = "6"
    & skf21("4","2","2","7","4","2","2","1") = "6"
    & skf21("4","2","2","7","4","2","3","1") = "6"
    & skf21("4","2","2","7","4","2","4","1") = "6"
    & skf21("4","2","2","7","4","2","5","1") = "6"
    & skf21("4","2","2","7","4","2","6","1") = "6"
    & skf21("4","2","2","7","4","2","7","1") = "6"
    & skf21("4","2","2","7","4","3","1","1") = "6"
    & skf21("4","2","2","7","4","3","2","1") = "6"
    & skf21("4","2","2","7","4","3","3","1") = "6"
    & skf21("4","2","2","7","4","3","4","1") = "6"
    & skf21("4","2","2","7","4","3","5","1") = "6"
    & skf21("4","2","2","7","4","3","6","1") = "6"
    & skf21("4","2","2","7","4","3","7","1") = "6"
    & skf21("4","2","2","7","4","4","1","1") = "6"
    & skf21("4","2","2","7","4","4","2","1") = "6"
    & skf21("4","2","2","7","4","4","3","1") = "6"
    & skf21("4","2","2","7","4","4","4","1") = "6"
    & skf21("4","2","2","7","4","4","5","1") = "6"
    & skf21("4","2","2","7","4","4","6","1") = "6"
    & skf21("4","2","2","7","4","4","7","1") = "6"
    & skf21("4","2","2","7","4","5","1","1") = "6"
    & skf21("4","2","2","7","4","5","2","1") = "6"
    & skf21("4","2","2","7","4","5","3","1") = "6"
    & skf21("4","2","2","7","4","5","4","1") = "6"
    & skf21("4","2","2","7","4","5","5","1") = "6"
    & skf21("4","2","2","7","4","5","6","1") = "6"
    & skf21("4","2","2","7","4","5","7","1") = "6"
    & skf21("4","2","2","7","4","6","1","1") = "6"
    & skf21("4","2","2","7","4","6","2","1") = "6"
    & skf21("4","2","2","7","4","6","3","1") = "6"
    & skf21("4","2","2","7","4","6","4","1") = "6"
    & skf21("4","2","2","7","4","6","5","1") = "6"
    & skf21("4","2","2","7","4","6","6","1") = "6"
    & skf21("4","2","2","7","4","6","7","1") = "6"
    & skf21("4","2","2","7","4","7","1","1") = "6"
    & skf21("4","2","2","7","4","7","2","1") = "6"
    & skf21("4","2","2","7","4","7","3","1") = "6"
    & skf21("4","2","2","7","4","7","4","1") = "6"
    & skf21("4","2","2","7","4","7","5","1") = "6"
    & skf21("4","2","2","7","4","7","6","1") = "6"
    & skf21("4","2","2","7","4","7","7","1") = "6"
    & skf21("4","2","2","7","5","1","1","1") = "6"
    & skf21("4","2","2","7","5","1","2","1") = "6"
    & skf21("4","2","2","7","5","1","3","1") = "6"
    & skf21("4","2","2","7","5","1","4","1") = "6"
    & skf21("4","2","2","7","5","1","5","1") = "6"
    & skf21("4","2","2","7","5","1","6","1") = "6"
    & skf21("4","2","2","7","5","1","7","1") = "6"
    & skf21("4","2","2","7","5","2","1","1") = "6"
    & skf21("4","2","2","7","5","2","2","1") = "6"
    & skf21("4","2","2","7","5","2","3","1") = "6"
    & skf21("4","2","2","7","5","2","4","1") = "6"
    & skf21("4","2","2","7","5","2","5","1") = "6"
    & skf21("4","2","2","7","5","2","6","1") = "6"
    & skf21("4","2","2","7","5","2","7","1") = "6"
    & skf21("4","2","2","7","5","3","1","1") = "6"
    & skf21("4","2","2","7","5","3","2","1") = "6"
    & skf21("4","2","2","7","5","3","3","1") = "6"
    & skf21("4","2","2","7","5","3","4","1") = "6"
    & skf21("4","2","2","7","5","3","5","1") = "6"
    & skf21("4","2","2","7","5","3","6","1") = "6"
    & skf21("4","2","2","7","5","3","7","1") = "6"
    & skf21("4","2","2","7","5","4","1","1") = "6"
    & skf21("4","2","2","7","5","4","2","1") = "6"
    & skf21("4","2","2","7","5","4","3","1") = "6"
    & skf21("4","2","2","7","5","4","4","1") = "6"
    & skf21("4","2","2","7","5","4","5","1") = "6"
    & skf21("4","2","2","7","5","4","6","1") = "6"
    & skf21("4","2","2","7","5","4","7","1") = "6"
    & skf21("4","2","2","7","5","5","1","1") = "6"
    & skf21("4","2","2","7","5","5","2","1") = "6"
    & skf21("4","2","2","7","5","5","3","1") = "6"
    & skf21("4","2","2","7","5","5","4","1") = "6"
    & skf21("4","2","2","7","5","5","5","1") = "6"
    & skf21("4","2","2","7","5","5","6","1") = "6"
    & skf21("4","2","2","7","5","5","7","1") = "6"
    & skf21("4","2","2","7","5","6","1","1") = "6"
    & skf21("4","2","2","7","5","6","2","1") = "6"
    & skf21("4","2","2","7","5","6","3","1") = "6"
    & skf21("4","2","2","7","5","6","4","1") = "6"
    & skf21("4","2","2","7","5","6","5","1") = "6"
    & skf21("4","2","2","7","5","6","6","1") = "6"
    & skf21("4","2","2","7","5","6","7","1") = "6"
    & skf21("4","2","2","7","5","7","1","1") = "6"
    & skf21("4","2","2","7","5","7","2","1") = "6"
    & skf21("4","2","2","7","5","7","3","1") = "6"
    & skf21("4","2","2","7","5","7","4","1") = "6"
    & skf21("4","2","2","7","5","7","5","1") = "6"
    & skf21("4","2","2","7","5","7","6","1") = "6"
    & skf21("4","2","2","7","5","7","7","1") = "6"
    & skf21("4","2","2","7","6","1","1","1") = "6"
    & skf21("4","2","2","7","6","1","2","1") = "6"
    & skf21("4","2","2","7","6","1","3","1") = "6"
    & skf21("4","2","2","7","6","1","4","1") = "6"
    & skf21("4","2","2","7","6","1","5","1") = "6"
    & skf21("4","2","2","7","6","1","6","1") = "6"
    & skf21("4","2","2","7","6","1","7","1") = "6"
    & skf21("4","2","2","7","6","2","1","1") = "6"
    & skf21("4","2","2","7","6","2","2","1") = "6"
    & skf21("4","2","2","7","6","2","3","1") = "6"
    & skf21("4","2","2","7","6","2","4","1") = "6"
    & skf21("4","2","2","7","6","2","5","1") = "6"
    & skf21("4","2","2","7","6","2","6","1") = "6"
    & skf21("4","2","2","7","6","2","7","1") = "6"
    & skf21("4","2","2","7","6","3","1","1") = "6"
    & skf21("4","2","2","7","6","3","2","1") = "6"
    & skf21("4","2","2","7","6","3","3","1") = "6"
    & skf21("4","2","2","7","6","3","4","1") = "6"
    & skf21("4","2","2","7","6","3","5","1") = "6"
    & skf21("4","2","2","7","6","3","6","1") = "6"
    & skf21("4","2","2","7","6","3","7","1") = "6"
    & skf21("4","2","2","7","6","4","1","1") = "6"
    & skf21("4","2","2","7","6","4","2","1") = "6"
    & skf21("4","2","2","7","6","4","3","1") = "6"
    & skf21("4","2","2","7","6","4","4","1") = "6"
    & skf21("4","2","2","7","6","4","5","1") = "6"
    & skf21("4","2","2","7","6","4","6","1") = "6"
    & skf21("4","2","2","7","6","4","7","1") = "6"
    & skf21("4","2","2","7","6","5","1","1") = "6"
    & skf21("4","2","2","7","6","5","2","1") = "6"
    & skf21("4","2","2","7","6","5","3","1") = "6"
    & skf21("4","2","2","7","6","5","4","1") = "6"
    & skf21("4","2","2","7","6","5","5","1") = "6"
    & skf21("4","2","2","7","6","5","6","1") = "6"
    & skf21("4","2","2","7","6","5","7","1") = "6"
    & skf21("4","2","2","7","6","6","1","1") = "6"
    & skf21("4","2","2","7","6","6","2","1") = "6"
    & skf21("4","2","2","7","6","6","3","1") = "6"
    & skf21("4","2","2","7","6","6","4","1") = "6"
    & skf21("4","2","2","7","6","6","5","1") = "6"
    & skf21("4","2","2","7","6","6","6","1") = "6"
    & skf21("4","2","2","7","6","6","7","1") = "6"
    & skf21("4","2","2","7","6","7","1","1") = "6"
    & skf21("4","2","2","7","6","7","2","1") = "6"
    & skf21("4","2","2","7","6","7","3","1") = "6"
    & skf21("4","2","2","7","6","7","4","1") = "6"
    & skf21("4","2","2","7","6","7","5","1") = "6"
    & skf21("4","2","2","7","6","7","6","1") = "6"
    & skf21("4","2","2","7","6","7","7","1") = "6"
    & skf21("4","2","2","7","7","1","1","1") = "6"
    & skf21("4","2","2","7","7","1","2","1") = "6"
    & skf21("4","2","2","7","7","1","3","1") = "6"
    & skf21("4","2","2","7","7","1","4","1") = "6"
    & skf21("4","2","2","7","7","1","5","1") = "6"
    & skf21("4","2","2","7","7","1","6","1") = "6"
    & skf21("4","2","2","7","7","1","7","1") = "6"
    & skf21("4","2","2","7","7","2","1","1") = "6"
    & skf21("4","2","2","7","7","2","2","1") = "6"
    & skf21("4","2","2","7","7","2","3","1") = "6"
    & skf21("4","2","2","7","7","2","4","1") = "6"
    & skf21("4","2","2","7","7","2","5","1") = "6"
    & skf21("4","2","2","7","7","2","6","1") = "6"
    & skf21("4","2","2","7","7","2","7","1") = "6"
    & skf21("4","2","2","7","7","3","1","1") = "6"
    & skf21("4","2","2","7","7","3","2","1") = "6"
    & skf21("4","2","2","7","7","3","3","1") = "6"
    & skf21("4","2","2","7","7","3","4","1") = "6"
    & skf21("4","2","2","7","7","3","5","1") = "6"
    & skf21("4","2","2","7","7","3","6","1") = "6"
    & skf21("4","2","2","7","7","3","7","1") = "6"
    & skf21("4","2","2","7","7","4","1","1") = "6"
    & skf21("4","2","2","7","7","4","2","1") = "6"
    & skf21("4","2","2","7","7","4","3","1") = "6"
    & skf21("4","2","2","7","7","4","4","1") = "6"
    & skf21("4","2","2","7","7","4","5","1") = "6"
    & skf21("4","2","2","7","7","4","6","1") = "6"
    & skf21("4","2","2","7","7","4","7","1") = "6"
    & skf21("4","2","2","7","7","5","1","1") = "6"
    & skf21("4","2","2","7","7","5","2","1") = "6"
    & skf21("4","2","2","7","7","5","3","1") = "6"
    & skf21("4","2","2","7","7","5","4","1") = "6"
    & skf21("4","2","2","7","7","5","5","1") = "6"
    & skf21("4","2","2","7","7","5","6","1") = "6"
    & skf21("4","2","2","7","7","5","7","1") = "6"
    & skf21("4","2","2","7","7","6","1","1") = "6"
    & skf21("4","2","2","7","7","6","2","1") = "6"
    & skf21("4","2","2","7","7","6","3","1") = "6"
    & skf21("4","2","2","7","7","6","4","1") = "6"
    & skf21("4","2","2","7","7","6","5","1") = "6"
    & skf21("4","2","2","7","7","6","6","1") = "6"
    & skf21("4","2","2","7","7","6","7","1") = "6"
    & skf21("4","2","2","7","7","7","1","1") = "6"
    & skf21("4","2","2","7","7","7","2","1") = "6"
    & skf21("4","2","2","7","7","7","3","1") = "6"
    & skf21("4","2","2","7","7","7","4","1") = "6"
    & skf21("4","2","2","7","7","7","5","1") = "6"
    & skf21("4","2","2","7","7","7","6","1") = "6"
    & skf21("4","2","2","7","7","7","7","1") = "6"
    & skf21("4","2","3","1","1","1","1","1") = "3"
    & skf21("4","2","3","1","1","1","2","1") = "3"
    & skf21("4","2","3","1","1","1","3","1") = "3"
    & skf21("4","2","3","1","1","1","4","1") = "3"
    & skf21("4","2","3","1","1","1","5","1") = "4"
    & skf21("4","2","3","1","1","1","6","1") = "5"
    & skf21("4","2","3","1","1","1","7","1") = "6"
    & skf21("4","2","3","1","1","2","1","1") = "3"
    & skf21("4","2","3","1","1","2","2","1") = "3"
    & skf21("4","2","3","1","1","2","3","1") = "3"
    & skf21("4","2","3","1","1","2","4","1") = "3"
    & skf21("4","2","3","1","1","2","5","1") = "4"
    & skf21("4","2","3","1","1","2","6","1") = "5"
    & skf21("4","2","3","1","1","2","7","1") = "6"
    & skf21("4","2","3","1","1","3","1","1") = "3"
    & skf21("4","2","3","1","1","3","2","1") = "3"
    & skf21("4","2","3","1","1","3","3","1") = "3"
    & skf21("4","2","3","1","1","3","4","1") = "3"
    & skf21("4","2","3","1","1","3","5","1") = "4"
    & skf21("4","2","3","1","1","3","6","1") = "5"
    & skf21("4","2","3","1","1","3","7","1") = "6"
    & skf21("4","2","3","1","1","4","1","1") = "3"
    & skf21("4","2","3","1","1","4","2","1") = "3"
    & skf21("4","2","3","1","1","4","3","1") = "3"
    & skf21("4","2","3","1","1","4","4","1") = "3"
    & skf21("4","2","3","1","1","4","5","1") = "4"
    & skf21("4","2","3","1","1","4","6","1") = "5"
    & skf21("4","2","3","1","1","4","7","1") = "6"
    & skf21("4","2","3","1","1","5","1","1") = "4"
    & skf21("4","2","3","1","1","5","2","1") = "4"
    & skf21("4","2","3","1","1","5","3","1") = "4"
    & skf21("4","2","3","1","1","5","4","1") = "4"
    & skf21("4","2","3","1","1","5","5","1") = "4"
    & skf21("4","2","3","1","1","5","6","1") = "5"
    & skf21("4","2","3","1","1","5","7","1") = "6"
    & skf21("4","2","3","1","1","6","1","1") = "5"
    & skf21("4","2","3","1","1","6","2","1") = "5"
    & skf21("4","2","3","1","1","6","3","1") = "5"
    & skf21("4","2","3","1","1","6","4","1") = "5"
    & skf21("4","2","3","1","1","6","5","1") = "5"
    & skf21("4","2","3","1","1","6","6","1") = "5"
    & skf21("4","2","3","1","1","6","7","1") = "6"
    & skf21("4","2","3","1","1","7","1","1") = "6"
    & skf21("4","2","3","1","1","7","2","1") = "6"
    & skf21("4","2","3","1","1","7","3","1") = "6"
    & skf21("4","2","3","1","1","7","4","1") = "6"
    & skf21("4","2","3","1","1","7","5","1") = "6"
    & skf21("4","2","3","1","1","7","6","1") = "6"
    & skf21("4","2","3","1","1","7","7","1") = "6"
    & skf21("4","2","3","1","2","1","1","1") = "3"
    & skf21("4","2","3","1","2","1","2","1") = "3"
    & skf21("4","2","3","1","2","1","3","1") = "3"
    & skf21("4","2","3","1","2","1","4","1") = "3"
    & skf21("4","2","3","1","2","1","5","1") = "4"
    & skf21("4","2","3","1","2","1","6","1") = "5"
    & skf21("4","2","3","1","2","1","7","1") = "6"
    & skf21("4","2","3","1","2","2","1","1") = "3"
    & skf21("4","2","3","1","2","2","2","1") = "3"
    & skf21("4","2","3","1","2","2","3","1") = "3"
    & skf21("4","2","3","1","2","2","4","1") = "3"
    & skf21("4","2","3","1","2","2","5","1") = "4"
    & skf21("4","2","3","1","2","2","6","1") = "5"
    & skf21("4","2","3","1","2","2","7","1") = "6"
    & skf21("4","2","3","1","2","3","1","1") = "3"
    & skf21("4","2","3","1","2","3","2","1") = "3"
    & skf21("4","2","3","1","2","3","3","1") = "3"
    & skf21("4","2","3","1","2","3","4","1") = "3"
    & skf21("4","2","3","1","2","3","5","1") = "4"
    & skf21("4","2","3","1","2","3","6","1") = "5"
    & skf21("4","2","3","1","2","3","7","1") = "6"
    & skf21("4","2","3","1","2","4","1","1") = "3"
    & skf21("4","2","3","1","2","4","2","1") = "3"
    & skf21("4","2","3","1","2","4","3","1") = "3"
    & skf21("4","2","3","1","2","4","4","1") = "3"
    & skf21("4","2","3","1","2","4","5","1") = "4"
    & skf21("4","2","3","1","2","4","6","1") = "5"
    & skf21("4","2","3","1","2","4","7","1") = "6"
    & skf21("4","2","3","1","2","5","1","1") = "4"
    & skf21("4","2","3","1","2","5","2","1") = "4"
    & skf21("4","2","3","1","2","5","3","1") = "4"
    & skf21("4","2","3","1","2","5","4","1") = "4"
    & skf21("4","2","3","1","2","5","5","1") = "4"
    & skf21("4","2","3","1","2","5","6","1") = "5"
    & skf21("4","2","3","1","2","5","7","1") = "6"
    & skf21("4","2","3","1","2","6","1","1") = "5"
    & skf21("4","2","3","1","2","6","2","1") = "5"
    & skf21("4","2","3","1","2","6","3","1") = "5"
    & skf21("4","2","3","1","2","6","4","1") = "5"
    & skf21("4","2","3","1","2","6","5","1") = "5"
    & skf21("4","2","3","1","2","6","6","1") = "5"
    & skf21("4","2","3","1","2","6","7","1") = "6"
    & skf21("4","2","3","1","2","7","1","1") = "6"
    & skf21("4","2","3","1","2","7","2","1") = "6"
    & skf21("4","2","3","1","2","7","3","1") = "6"
    & skf21("4","2","3","1","2","7","4","1") = "6"
    & skf21("4","2","3","1","2","7","5","1") = "6"
    & skf21("4","2","3","1","2","7","6","1") = "6"
    & skf21("4","2","3","1","2","7","7","1") = "6"
    & skf21("4","2","3","1","3","1","1","1") = "3"
    & skf21("4","2","3","1","3","1","2","1") = "3"
    & skf21("4","2","3","1","3","1","3","1") = "3"
    & skf21("4","2","3","1","3","1","4","1") = "3"
    & skf21("4","2","3","1","3","1","5","1") = "4"
    & skf21("4","2","3","1","3","1","6","1") = "5"
    & skf21("4","2","3","1","3","1","7","1") = "6"
    & skf21("4","2","3","1","3","2","1","1") = "3"
    & skf21("4","2","3","1","3","2","2","1") = "3"
    & skf21("4","2","3","1","3","2","3","1") = "3"
    & skf21("4","2","3","1","3","2","4","1") = "3"
    & skf21("4","2","3","1","3","2","5","1") = "4"
    & skf21("4","2","3","1","3","2","6","1") = "5"
    & skf21("4","2","3","1","3","2","7","1") = "6"
    & skf21("4","2","3","1","3","3","1","1") = "3"
    & skf21("4","2","3","1","3","3","2","1") = "3"
    & skf21("4","2","3","1","3","3","3","1") = "3"
    & skf21("4","2","3","1","3","3","4","1") = "3"
    & skf21("4","2","3","1","3","3","5","1") = "4"
    & skf21("4","2","3","1","3","3","6","1") = "5"
    & skf21("4","2","3","1","3","3","7","1") = "6"
    & skf21("4","2","3","1","3","4","1","1") = "3"
    & skf21("4","2","3","1","3","4","2","1") = "3"
    & skf21("4","2","3","1","3","4","3","1") = "3"
    & skf21("4","2","3","1","3","4","4","1") = "3"
    & skf21("4","2","3","1","3","4","5","1") = "4"
    & skf21("4","2","3","1","3","4","6","1") = "5"
    & skf21("4","2","3","1","3","4","7","1") = "6"
    & skf21("4","2","3","1","3","5","1","1") = "4"
    & skf21("4","2","3","1","3","5","2","1") = "4"
    & skf21("4","2","3","1","3","5","3","1") = "4"
    & skf21("4","2","3","1","3","5","4","1") = "4"
    & skf21("4","2","3","1","3","5","5","1") = "4"
    & skf21("4","2","3","1","3","5","6","1") = "5"
    & skf21("4","2","3","1","3","5","7","1") = "6"
    & skf21("4","2","3","1","3","6","1","1") = "5"
    & skf21("4","2","3","1","3","6","2","1") = "5"
    & skf21("4","2","3","1","3","6","3","1") = "5"
    & skf21("4","2","3","1","3","6","4","1") = "5"
    & skf21("4","2","3","1","3","6","5","1") = "5"
    & skf21("4","2","3","1","3","6","6","1") = "5"
    & skf21("4","2","3","1","3","6","7","1") = "6"
    & skf21("4","2","3","1","3","7","1","1") = "6"
    & skf21("4","2","3","1","3","7","2","1") = "6"
    & skf21("4","2","3","1","3","7","3","1") = "6"
    & skf21("4","2","3","1","3","7","4","1") = "6"
    & skf21("4","2","3","1","3","7","5","1") = "6"
    & skf21("4","2","3","1","3","7","6","1") = "6"
    & skf21("4","2","3","1","3","7","7","1") = "6"
    & skf21("4","2","3","1","4","1","1","1") = "3"
    & skf21("4","2","3","1","4","1","2","1") = "3"
    & skf21("4","2","3","1","4","1","3","1") = "3"
    & skf21("4","2","3","1","4","1","4","1") = "3"
    & skf21("4","2","3","1","4","1","5","1") = "4"
    & skf21("4","2","3","1","4","1","6","1") = "5"
    & skf21("4","2","3","1","4","1","7","1") = "6"
    & skf21("4","2","3","1","4","2","1","1") = "3"
    & skf21("4","2","3","1","4","2","2","1") = "3"
    & skf21("4","2","3","1","4","2","3","1") = "3"
    & skf21("4","2","3","1","4","2","4","1") = "3"
    & skf21("4","2","3","1","4","2","5","1") = "4"
    & skf21("4","2","3","1","4","2","6","1") = "5"
    & skf21("4","2","3","1","4","2","7","1") = "6"
    & skf21("4","2","3","1","4","3","1","1") = "3"
    & skf21("4","2","3","1","4","3","2","1") = "3"
    & skf21("4","2","3","1","4","3","3","1") = "3"
    & skf21("4","2","3","1","4","3","4","1") = "3"
    & skf21("4","2","3","1","4","3","5","1") = "4"
    & skf21("4","2","3","1","4","3","6","1") = "5"
    & skf21("4","2","3","1","4","3","7","1") = "6"
    & skf21("4","2","3","1","4","4","1","1") = "3"
    & skf21("4","2","3","1","4","4","2","1") = "3"
    & skf21("4","2","3","1","4","4","3","1") = "3"
    & skf21("4","2","3","1","4","4","4","1") = "3"
    & skf21("4","2","3","1","4","4","5","1") = "4"
    & skf21("4","2","3","1","4","4","6","1") = "5"
    & skf21("4","2","3","1","4","4","7","1") = "6"
    & skf21("4","2","3","1","4","5","1","1") = "4"
    & skf21("4","2","3","1","4","5","2","1") = "4"
    & skf21("4","2","3","1","4","5","3","1") = "4"
    & skf21("4","2","3","1","4","5","4","1") = "4"
    & skf21("4","2","3","1","4","5","5","1") = "4"
    & skf21("4","2","3","1","4","5","6","1") = "5"
    & skf21("4","2","3","1","4","5","7","1") = "6"
    & skf21("4","2","3","1","4","6","1","1") = "5"
    & skf21("4","2","3","1","4","6","2","1") = "5"
    & skf21("4","2","3","1","4","6","3","1") = "5"
    & skf21("4","2","3","1","4","6","4","1") = "5"
    & skf21("4","2","3","1","4","6","5","1") = "5"
    & skf21("4","2","3","1","4","6","6","1") = "5"
    & skf21("4","2","3","1","4","6","7","1") = "6"
    & skf21("4","2","3","1","4","7","1","1") = "6"
    & skf21("4","2","3","1","4","7","2","1") = "6"
    & skf21("4","2","3","1","4","7","3","1") = "6"
    & skf21("4","2","3","1","4","7","4","1") = "6"
    & skf21("4","2","3","1","4","7","5","1") = "6"
    & skf21("4","2","3","1","4","7","6","1") = "6"
    & skf21("4","2","3","1","4","7","7","1") = "6"
    & skf21("4","2","3","1","5","1","1","1") = "4"
    & skf21("4","2","3","1","5","1","2","1") = "4"
    & skf21("4","2","3","1","5","1","3","1") = "4"
    & skf21("4","2","3","1","5","1","4","1") = "4"
    & skf21("4","2","3","1","5","1","5","1") = "4"
    & skf21("4","2","3","1","5","1","6","1") = "5"
    & skf21("4","2","3","1","5","1","7","1") = "6"
    & skf21("4","2","3","1","5","2","1","1") = "4"
    & skf21("4","2","3","1","5","2","2","1") = "4"
    & skf21("4","2","3","1","5","2","3","1") = "4"
    & skf21("4","2","3","1","5","2","4","1") = "4"
    & skf21("4","2","3","1","5","2","5","1") = "4"
    & skf21("4","2","3","1","5","2","6","1") = "5"
    & skf21("4","2","3","1","5","2","7","1") = "6"
    & skf21("4","2","3","1","5","3","1","1") = "4"
    & skf21("4","2","3","1","5","3","2","1") = "4"
    & skf21("4","2","3","1","5","3","3","1") = "4"
    & skf21("4","2","3","1","5","3","4","1") = "4"
    & skf21("4","2","3","1","5","3","5","1") = "4"
    & skf21("4","2","3","1","5","3","6","1") = "5"
    & skf21("4","2","3","1","5","3","7","1") = "6"
    & skf21("4","2","3","1","5","4","1","1") = "4"
    & skf21("4","2","3","1","5","4","2","1") = "4"
    & skf21("4","2","3","1","5","4","3","1") = "4"
    & skf21("4","2","3","1","5","4","4","1") = "4"
    & skf21("4","2","3","1","5","4","5","1") = "4"
    & skf21("4","2","3","1","5","4","6","1") = "5"
    & skf21("4","2","3","1","5","4","7","1") = "6"
    & skf21("4","2","3","1","5","5","1","1") = "4"
    & skf21("4","2","3","1","5","5","2","1") = "4"
    & skf21("4","2","3","1","5","5","3","1") = "4"
    & skf21("4","2","3","1","5","5","4","1") = "4"
    & skf21("4","2","3","1","5","5","5","1") = "4"
    & skf21("4","2","3","1","5","5","6","1") = "5"
    & skf21("4","2","3","1","5","5","7","1") = "6"
    & skf21("4","2","3","1","5","6","1","1") = "5"
    & skf21("4","2","3","1","5","6","2","1") = "5"
    & skf21("4","2","3","1","5","6","3","1") = "5"
    & skf21("4","2","3","1","5","6","4","1") = "5"
    & skf21("4","2","3","1","5","6","5","1") = "5"
    & skf21("4","2","3","1","5","6","6","1") = "5"
    & skf21("4","2","3","1","5","6","7","1") = "6"
    & skf21("4","2","3","1","5","7","1","1") = "6"
    & skf21("4","2","3","1","5","7","2","1") = "6"
    & skf21("4","2","3","1","5","7","3","1") = "6"
    & skf21("4","2","3","1","5","7","4","1") = "6"
    & skf21("4","2","3","1","5","7","5","1") = "6"
    & skf21("4","2","3","1","5","7","6","1") = "6"
    & skf21("4","2","3","1","5","7","7","1") = "6"
    & skf21("4","2","3","1","6","1","1","1") = "5"
    & skf21("4","2","3","1","6","1","2","1") = "5"
    & skf21("4","2","3","1","6","1","3","1") = "5"
    & skf21("4","2","3","1","6","1","4","1") = "5"
    & skf21("4","2","3","1","6","1","5","1") = "5"
    & skf21("4","2","3","1","6","1","6","1") = "5"
    & skf21("4","2","3","1","6","1","7","1") = "6"
    & skf21("4","2","3","1","6","2","1","1") = "5"
    & skf21("4","2","3","1","6","2","2","1") = "5"
    & skf21("4","2","3","1","6","2","3","1") = "5"
    & skf21("4","2","3","1","6","2","4","1") = "5"
    & skf21("4","2","3","1","6","2","5","1") = "5"
    & skf21("4","2","3","1","6","2","6","1") = "5"
    & skf21("4","2","3","1","6","2","7","1") = "6"
    & skf21("4","2","3","1","6","3","1","1") = "5"
    & skf21("4","2","3","1","6","3","2","1") = "5"
    & skf21("4","2","3","1","6","3","3","1") = "5"
    & skf21("4","2","3","1","6","3","4","1") = "5"
    & skf21("4","2","3","1","6","3","5","1") = "5"
    & skf21("4","2","3","1","6","3","6","1") = "5"
    & skf21("4","2","3","1","6","3","7","1") = "6"
    & skf21("4","2","3","1","6","4","1","1") = "5"
    & skf21("4","2","3","1","6","4","2","1") = "5"
    & skf21("4","2","3","1","6","4","3","1") = "5"
    & skf21("4","2","3","1","6","4","4","1") = "5"
    & skf21("4","2","3","1","6","4","5","1") = "5"
    & skf21("4","2","3","1","6","4","6","1") = "5"
    & skf21("4","2","3","1","6","4","7","1") = "6"
    & skf21("4","2","3","1","6","5","1","1") = "5"
    & skf21("4","2","3","1","6","5","2","1") = "5"
    & skf21("4","2","3","1","6","5","3","1") = "5"
    & skf21("4","2","3","1","6","5","4","1") = "5"
    & skf21("4","2","3","1","6","5","5","1") = "5"
    & skf21("4","2","3","1","6","5","6","1") = "5"
    & skf21("4","2","3","1","6","5","7","1") = "6"
    & skf21("4","2","3","1","6","6","1","1") = "5"
    & skf21("4","2","3","1","6","6","2","1") = "5"
    & skf21("4","2","3","1","6","6","3","1") = "5"
    & skf21("4","2","3","1","6","6","4","1") = "5"
    & skf21("4","2","3","1","6","6","5","1") = "5"
    & skf21("4","2","3","1","6","6","6","1") = "5"
    & skf21("4","2","3","1","6","6","7","1") = "6"
    & skf21("4","2","3","1","6","7","1","1") = "6"
    & skf21("4","2","3","1","6","7","2","1") = "6"
    & skf21("4","2","3","1","6","7","3","1") = "6"
    & skf21("4","2","3","1","6","7","4","1") = "6"
    & skf21("4","2","3","1","6","7","5","1") = "6"
    & skf21("4","2","3","1","6","7","6","1") = "6"
    & skf21("4","2","3","1","6","7","7","1") = "6"
    & skf21("4","2","3","1","7","1","1","1") = "6"
    & skf21("4","2","3","1","7","1","2","1") = "6"
    & skf21("4","2","3","1","7","1","3","1") = "6"
    & skf21("4","2","3","1","7","1","4","1") = "6"
    & skf21("4","2","3","1","7","1","5","1") = "6"
    & skf21("4","2","3","1","7","1","6","1") = "6"
    & skf21("4","2","3","1","7","1","7","1") = "6"
    & skf21("4","2","3","1","7","2","1","1") = "6"
    & skf21("4","2","3","1","7","2","2","1") = "6"
    & skf21("4","2","3","1","7","2","3","1") = "6"
    & skf21("4","2","3","1","7","2","4","1") = "6"
    & skf21("4","2","3","1","7","2","5","1") = "6"
    & skf21("4","2","3","1","7","2","6","1") = "6"
    & skf21("4","2","3","1","7","2","7","1") = "6"
    & skf21("4","2","3","1","7","3","1","1") = "6"
    & skf21("4","2","3","1","7","3","2","1") = "6"
    & skf21("4","2","3","1","7","3","3","1") = "6"
    & skf21("4","2","3","1","7","3","4","1") = "6"
    & skf21("4","2","3","1","7","3","5","1") = "6"
    & skf21("4","2","3","1","7","3","6","1") = "6"
    & skf21("4","2","3","1","7","3","7","1") = "6"
    & skf21("4","2","3","1","7","4","1","1") = "6"
    & skf21("4","2","3","1","7","4","2","1") = "6"
    & skf21("4","2","3","1","7","4","3","1") = "6"
    & skf21("4","2","3","1","7","4","4","1") = "6"
    & skf21("4","2","3","1","7","4","5","1") = "6"
    & skf21("4","2","3","1","7","4","6","1") = "6"
    & skf21("4","2","3","1","7","4","7","1") = "6"
    & skf21("4","2","3","1","7","5","1","1") = "6"
    & skf21("4","2","3","1","7","5","2","1") = "6"
    & skf21("4","2","3","1","7","5","3","1") = "6"
    & skf21("4","2","3","1","7","5","4","1") = "6"
    & skf21("4","2","3","1","7","5","5","1") = "6"
    & skf21("4","2","3","1","7","5","6","1") = "6"
    & skf21("4","2","3","1","7","5","7","1") = "6"
    & skf21("4","2","3","1","7","6","1","1") = "6"
    & skf21("4","2","3","1","7","6","2","1") = "6"
    & skf21("4","2","3","1","7","6","3","1") = "6"
    & skf21("4","2","3","1","7","6","4","1") = "6"
    & skf21("4","2","3","1","7","6","5","1") = "6"
    & skf21("4","2","3","1","7","6","6","1") = "6"
    & skf21("4","2","3","1","7","6","7","1") = "6"
    & skf21("4","2","3","1","7","7","1","1") = "6"
    & skf21("4","2","3","1","7","7","2","1") = "6"
    & skf21("4","2","3","1","7","7","3","1") = "6"
    & skf21("4","2","3","1","7","7","4","1") = "6"
    & skf21("4","2","3","1","7","7","5","1") = "6"
    & skf21("4","2","3","1","7","7","6","1") = "6"
    & skf21("4","2","3","1","7","7","7","1") = "6"
    & skf21("4","2","3","2","1","1","1","1") = "3"
    & skf21("4","2","3","2","1","1","2","1") = "3"
    & skf21("4","2","3","2","1","1","3","1") = "3"
    & skf21("4","2","3","2","1","1","4","1") = "3"
    & skf21("4","2","3","2","1","1","5","1") = "4"
    & skf21("4","2","3","2","1","1","6","1") = "5"
    & skf21("4","2","3","2","1","1","7","1") = "6"
    & skf21("4","2","3","2","1","2","1","1") = "3"
    & skf21("4","2","3","2","1","2","2","1") = "3"
    & skf21("4","2","3","2","1","2","3","1") = "3"
    & skf21("4","2","3","2","1","2","4","1") = "3"
    & skf21("4","2","3","2","1","2","5","1") = "4"
    & skf21("4","2","3","2","1","2","6","1") = "5"
    & skf21("4","2","3","2","1","2","7","1") = "6"
    & skf21("4","2","3","2","1","3","1","1") = "3"
    & skf21("4","2","3","2","1","3","2","1") = "3"
    & skf21("4","2","3","2","1","3","3","1") = "3"
    & skf21("4","2","3","2","1","3","4","1") = "3"
    & skf21("4","2","3","2","1","3","5","1") = "4"
    & skf21("4","2","3","2","1","3","6","1") = "5"
    & skf21("4","2","3","2","1","3","7","1") = "6"
    & skf21("4","2","3","2","1","4","1","1") = "3"
    & skf21("4","2","3","2","1","4","2","1") = "3"
    & skf21("4","2","3","2","1","4","3","1") = "3"
    & skf21("4","2","3","2","1","4","4","1") = "3"
    & skf21("4","2","3","2","1","4","5","1") = "4"
    & skf21("4","2","3","2","1","4","6","1") = "5"
    & skf21("4","2","3","2","1","4","7","1") = "6"
    & skf21("4","2","3","2","1","5","1","1") = "4"
    & skf21("4","2","3","2","1","5","2","1") = "4"
    & skf21("4","2","3","2","1","5","3","1") = "4"
    & skf21("4","2","3","2","1","5","4","1") = "4"
    & skf21("4","2","3","2","1","5","5","1") = "4"
    & skf21("4","2","3","2","1","5","6","1") = "5"
    & skf21("4","2","3","2","1","5","7","1") = "6"
    & skf21("4","2","3","2","1","6","1","1") = "5"
    & skf21("4","2","3","2","1","6","2","1") = "5"
    & skf21("4","2","3","2","1","6","3","1") = "5"
    & skf21("4","2","3","2","1","6","4","1") = "5"
    & skf21("4","2","3","2","1","6","5","1") = "5"
    & skf21("4","2","3","2","1","6","6","1") = "5"
    & skf21("4","2","3","2","1","6","7","1") = "6"
    & skf21("4","2","3","2","1","7","1","1") = "6"
    & skf21("4","2","3","2","1","7","2","1") = "6"
    & skf21("4","2","3","2","1","7","3","1") = "6"
    & skf21("4","2","3","2","1","7","4","1") = "6"
    & skf21("4","2","3","2","1","7","5","1") = "6"
    & skf21("4","2","3","2","1","7","6","1") = "6"
    & skf21("4","2","3","2","1","7","7","1") = "6"
    & skf21("4","2","3","2","2","1","1","1") = "3"
    & skf21("4","2","3","2","2","1","2","1") = "3"
    & skf21("4","2","3","2","2","1","3","1") = "3"
    & skf21("4","2","3","2","2","1","4","1") = "3"
    & skf21("4","2","3","2","2","1","5","1") = "4"
    & skf21("4","2","3","2","2","1","6","1") = "5"
    & skf21("4","2","3","2","2","1","7","1") = "6"
    & skf21("4","2","3","2","2","2","1","1") = "3"
    & skf21("4","2","3","2","2","2","2","1") = "3"
    & skf21("4","2","3","2","2","2","3","1") = "3"
    & skf21("4","2","3","2","2","2","4","1") = "3"
    & skf21("4","2","3","2","2","2","5","1") = "4"
    & skf21("4","2","3","2","2","2","6","1") = "5"
    & skf21("4","2","3","2","2","2","7","1") = "6"
    & skf21("4","2","3","2","2","3","1","1") = "3"
    & skf21("4","2","3","2","2","3","2","1") = "3"
    & skf21("4","2","3","2","2","3","3","1") = "3"
    & skf21("4","2","3","2","2","3","4","1") = "3"
    & skf21("4","2","3","2","2","3","5","1") = "4"
    & skf21("4","2","3","2","2","3","6","1") = "5"
    & skf21("4","2","3","2","2","3","7","1") = "6"
    & skf21("4","2","3","2","2","4","1","1") = "3"
    & skf21("4","2","3","2","2","4","2","1") = "3"
    & skf21("4","2","3","2","2","4","3","1") = "3"
    & skf21("4","2","3","2","2","4","4","1") = "3"
    & skf21("4","2","3","2","2","4","5","1") = "4"
    & skf21("4","2","3","2","2","4","6","1") = "5"
    & skf21("4","2","3","2","2","4","7","1") = "6"
    & skf21("4","2","3","2","2","5","1","1") = "4"
    & skf21("4","2","3","2","2","5","2","1") = "4"
    & skf21("4","2","3","2","2","5","3","1") = "4"
    & skf21("4","2","3","2","2","5","4","1") = "4"
    & skf21("4","2","3","2","2","5","5","1") = "4"
    & skf21("4","2","3","2","2","5","6","1") = "5"
    & skf21("4","2","3","2","2","5","7","1") = "6"
    & skf21("4","2","3","2","2","6","1","1") = "5"
    & skf21("4","2","3","2","2","6","2","1") = "5"
    & skf21("4","2","3","2","2","6","3","1") = "5"
    & skf21("4","2","3","2","2","6","4","1") = "5"
    & skf21("4","2","3","2","2","6","5","1") = "5"
    & skf21("4","2","3","2","2","6","6","1") = "5"
    & skf21("4","2","3","2","2","6","7","1") = "6"
    & skf21("4","2","3","2","2","7","1","1") = "6"
    & skf21("4","2","3","2","2","7","2","1") = "6"
    & skf21("4","2","3","2","2","7","3","1") = "6"
    & skf21("4","2","3","2","2","7","4","1") = "6"
    & skf21("4","2","3","2","2","7","5","1") = "6"
    & skf21("4","2","3","2","2","7","6","1") = "6"
    & skf21("4","2","3","2","2","7","7","1") = "6"
    & skf21("4","2","3","2","3","1","1","1") = "3"
    & skf21("4","2","3","2","3","1","2","1") = "3"
    & skf21("4","2","3","2","3","1","3","1") = "3"
    & skf21("4","2","3","2","3","1","4","1") = "3"
    & skf21("4","2","3","2","3","1","5","1") = "4"
    & skf21("4","2","3","2","3","1","6","1") = "5"
    & skf21("4","2","3","2","3","1","7","1") = "6"
    & skf21("4","2","3","2","3","2","1","1") = "3"
    & skf21("4","2","3","2","3","2","2","1") = "3"
    & skf21("4","2","3","2","3","2","3","1") = "3"
    & skf21("4","2","3","2","3","2","4","1") = "3"
    & skf21("4","2","3","2","3","2","5","1") = "4"
    & skf21("4","2","3","2","3","2","6","1") = "5"
    & skf21("4","2","3","2","3","2","7","1") = "6"
    & skf21("4","2","3","2","3","3","1","1") = "3"
    & skf21("4","2","3","2","3","3","2","1") = "3"
    & skf21("4","2","3","2","3","3","3","1") = "3"
    & skf21("4","2","3","2","3","3","4","1") = "3"
    & skf21("4","2","3","2","3","3","5","1") = "4"
    & skf21("4","2","3","2","3","3","6","1") = "5"
    & skf21("4","2","3","2","3","3","7","1") = "6"
    & skf21("4","2","3","2","3","4","1","1") = "3"
    & skf21("4","2","3","2","3","4","2","1") = "3"
    & skf21("4","2","3","2","3","4","3","1") = "3"
    & skf21("4","2","3","2","3","4","4","1") = "3"
    & skf21("4","2","3","2","3","4","5","1") = "4"
    & skf21("4","2","3","2","3","4","6","1") = "5"
    & skf21("4","2","3","2","3","4","7","1") = "6"
    & skf21("4","2","3","2","3","5","1","1") = "4"
    & skf21("4","2","3","2","3","5","2","1") = "4"
    & skf21("4","2","3","2","3","5","3","1") = "4"
    & skf21("4","2","3","2","3","5","4","1") = "4"
    & skf21("4","2","3","2","3","5","5","1") = "4"
    & skf21("4","2","3","2","3","5","6","1") = "5"
    & skf21("4","2","3","2","3","5","7","1") = "6"
    & skf21("4","2","3","2","3","6","1","1") = "5"
    & skf21("4","2","3","2","3","6","2","1") = "5"
    & skf21("4","2","3","2","3","6","3","1") = "5"
    & skf21("4","2","3","2","3","6","4","1") = "5"
    & skf21("4","2","3","2","3","6","5","1") = "5"
    & skf21("4","2","3","2","3","6","6","1") = "5"
    & skf21("4","2","3","2","3","6","7","1") = "6"
    & skf21("4","2","3","2","3","7","1","1") = "6"
    & skf21("4","2","3","2","3","7","2","1") = "6"
    & skf21("4","2","3","2","3","7","3","1") = "6"
    & skf21("4","2","3","2","3","7","4","1") = "6"
    & skf21("4","2","3","2","3","7","5","1") = "6"
    & skf21("4","2","3","2","3","7","6","1") = "6"
    & skf21("4","2","3","2","3","7","7","1") = "6"
    & skf21("4","2","3","2","4","1","1","1") = "3"
    & skf21("4","2","3","2","4","1","2","1") = "3"
    & skf21("4","2","3","2","4","1","3","1") = "3"
    & skf21("4","2","3","2","4","1","4","1") = "3"
    & skf21("4","2","3","2","4","1","5","1") = "4"
    & skf21("4","2","3","2","4","1","6","1") = "5"
    & skf21("4","2","3","2","4","1","7","1") = "6"
    & skf21("4","2","3","2","4","2","1","1") = "3"
    & skf21("4","2","3","2","4","2","2","1") = "3"
    & skf21("4","2","3","2","4","2","3","1") = "3"
    & skf21("4","2","3","2","4","2","4","1") = "3"
    & skf21("4","2","3","2","4","2","5","1") = "4"
    & skf21("4","2","3","2","4","2","6","1") = "5"
    & skf21("4","2","3","2","4","2","7","1") = "6"
    & skf21("4","2","3","2","4","3","1","1") = "3"
    & skf21("4","2","3","2","4","3","2","1") = "3"
    & skf21("4","2","3","2","4","3","3","1") = "3"
    & skf21("4","2","3","2","4","3","4","1") = "3"
    & skf21("4","2","3","2","4","3","5","1") = "4"
    & skf21("4","2","3","2","4","3","6","1") = "5"
    & skf21("4","2","3","2","4","3","7","1") = "6"
    & skf21("4","2","3","2","4","4","1","1") = "3"
    & skf21("4","2","3","2","4","4","2","1") = "3"
    & skf21("4","2","3","2","4","4","3","1") = "3"
    & skf21("4","2","3","2","4","4","4","1") = "3"
    & skf21("4","2","3","2","4","4","5","1") = "4"
    & skf21("4","2","3","2","4","4","6","1") = "5"
    & skf21("4","2","3","2","4","4","7","1") = "6"
    & skf21("4","2","3","2","4","5","1","1") = "4"
    & skf21("4","2","3","2","4","5","2","1") = "4"
    & skf21("4","2","3","2","4","5","3","1") = "4"
    & skf21("4","2","3","2","4","5","4","1") = "4"
    & skf21("4","2","3","2","4","5","5","1") = "4"
    & skf21("4","2","3","2","4","5","6","1") = "5"
    & skf21("4","2","3","2","4","5","7","1") = "6"
    & skf21("4","2","3","2","4","6","1","1") = "5"
    & skf21("4","2","3","2","4","6","2","1") = "5"
    & skf21("4","2","3","2","4","6","3","1") = "5"
    & skf21("4","2","3","2","4","6","4","1") = "5"
    & skf21("4","2","3","2","4","6","5","1") = "5"
    & skf21("4","2","3","2","4","6","6","1") = "5"
    & skf21("4","2","3","2","4","6","7","1") = "6"
    & skf21("4","2","3","2","4","7","1","1") = "6"
    & skf21("4","2","3","2","4","7","2","1") = "6"
    & skf21("4","2","3","2","4","7","3","1") = "6"
    & skf21("4","2","3","2","4","7","4","1") = "6"
    & skf21("4","2","3","2","4","7","5","1") = "6"
    & skf21("4","2","3","2","4","7","6","1") = "6"
    & skf21("4","2","3","2","4","7","7","1") = "6"
    & skf21("4","2","3","2","5","1","1","1") = "4"
    & skf21("4","2","3","2","5","1","2","1") = "4"
    & skf21("4","2","3","2","5","1","3","1") = "4"
    & skf21("4","2","3","2","5","1","4","1") = "4"
    & skf21("4","2","3","2","5","1","5","1") = "4"
    & skf21("4","2","3","2","5","1","6","1") = "5"
    & skf21("4","2","3","2","5","1","7","1") = "6"
    & skf21("4","2","3","2","5","2","1","1") = "4"
    & skf21("4","2","3","2","5","2","2","1") = "4"
    & skf21("4","2","3","2","5","2","3","1") = "4"
    & skf21("4","2","3","2","5","2","4","1") = "4"
    & skf21("4","2","3","2","5","2","5","1") = "4"
    & skf21("4","2","3","2","5","2","6","1") = "5"
    & skf21("4","2","3","2","5","2","7","1") = "6"
    & skf21("4","2","3","2","5","3","1","1") = "4"
    & skf21("4","2","3","2","5","3","2","1") = "4"
    & skf21("4","2","3","2","5","3","3","1") = "4"
    & skf21("4","2","3","2","5","3","4","1") = "4"
    & skf21("4","2","3","2","5","3","5","1") = "4"
    & skf21("4","2","3","2","5","3","6","1") = "5"
    & skf21("4","2","3","2","5","3","7","1") = "6"
    & skf21("4","2","3","2","5","4","1","1") = "4"
    & skf21("4","2","3","2","5","4","2","1") = "4"
    & skf21("4","2","3","2","5","4","3","1") = "4"
    & skf21("4","2","3","2","5","4","4","1") = "4"
    & skf21("4","2","3","2","5","4","5","1") = "4"
    & skf21("4","2","3","2","5","4","6","1") = "5"
    & skf21("4","2","3","2","5","4","7","1") = "6"
    & skf21("4","2","3","2","5","5","1","1") = "4"
    & skf21("4","2","3","2","5","5","2","1") = "4"
    & skf21("4","2","3","2","5","5","3","1") = "4"
    & skf21("4","2","3","2","5","5","4","1") = "4"
    & skf21("4","2","3","2","5","5","5","1") = "4"
    & skf21("4","2","3","2","5","5","6","1") = "5"
    & skf21("4","2","3","2","5","5","7","1") = "6"
    & skf21("4","2","3","2","5","6","1","1") = "5"
    & skf21("4","2","3","2","5","6","2","1") = "5"
    & skf21("4","2","3","2","5","6","3","1") = "5"
    & skf21("4","2","3","2","5","6","4","1") = "5"
    & skf21("4","2","3","2","5","6","5","1") = "5"
    & skf21("4","2","3","2","5","6","6","1") = "5"
    & skf21("4","2","3","2","5","6","7","1") = "6"
    & skf21("4","2","3","2","5","7","1","1") = "6"
    & skf21("4","2","3","2","5","7","2","1") = "6"
    & skf21("4","2","3","2","5","7","3","1") = "6"
    & skf21("4","2","3","2","5","7","4","1") = "6"
    & skf21("4","2","3","2","5","7","5","1") = "6"
    & skf21("4","2","3","2","5","7","6","1") = "6"
    & skf21("4","2","3","2","5","7","7","1") = "6"
    & skf21("4","2","3","2","6","1","1","1") = "5"
    & skf21("4","2","3","2","6","1","2","1") = "5"
    & skf21("4","2","3","2","6","1","3","1") = "5"
    & skf21("4","2","3","2","6","1","4","1") = "5"
    & skf21("4","2","3","2","6","1","5","1") = "5"
    & skf21("4","2","3","2","6","1","6","1") = "5"
    & skf21("4","2","3","2","6","1","7","1") = "6"
    & skf21("4","2","3","2","6","2","1","1") = "5"
    & skf21("4","2","3","2","6","2","2","1") = "5"
    & skf21("4","2","3","2","6","2","3","1") = "5"
    & skf21("4","2","3","2","6","2","4","1") = "5"
    & skf21("4","2","3","2","6","2","5","1") = "5"
    & skf21("4","2","3","2","6","2","6","1") = "5"
    & skf21("4","2","3","2","6","2","7","1") = "6"
    & skf21("4","2","3","2","6","3","1","1") = "5"
    & skf21("4","2","3","2","6","3","2","1") = "5"
    & skf21("4","2","3","2","6","3","3","1") = "5"
    & skf21("4","2","3","2","6","3","4","1") = "5"
    & skf21("4","2","3","2","6","3","5","1") = "5"
    & skf21("4","2","3","2","6","3","6","1") = "5"
    & skf21("4","2","3","2","6","3","7","1") = "6"
    & skf21("4","2","3","2","6","4","1","1") = "5"
    & skf21("4","2","3","2","6","4","2","1") = "5"
    & skf21("4","2","3","2","6","4","3","1") = "5"
    & skf21("4","2","3","2","6","4","4","1") = "5"
    & skf21("4","2","3","2","6","4","5","1") = "5"
    & skf21("4","2","3","2","6","4","6","1") = "5"
    & skf21("4","2","3","2","6","4","7","1") = "6"
    & skf21("4","2","3","2","6","5","1","1") = "5"
    & skf21("4","2","3","2","6","5","2","1") = "5"
    & skf21("4","2","3","2","6","5","3","1") = "5"
    & skf21("4","2","3","2","6","5","4","1") = "5"
    & skf21("4","2","3","2","6","5","5","1") = "5"
    & skf21("4","2","3","2","6","5","6","1") = "5"
    & skf21("4","2","3","2","6","5","7","1") = "6"
    & skf21("4","2","3","2","6","6","1","1") = "5"
    & skf21("4","2","3","2","6","6","2","1") = "5"
    & skf21("4","2","3","2","6","6","3","1") = "5"
    & skf21("4","2","3","2","6","6","4","1") = "5"
    & skf21("4","2","3","2","6","6","5","1") = "5"
    & skf21("4","2","3","2","6","6","6","1") = "5"
    & skf21("4","2","3","2","6","6","7","1") = "6"
    & skf21("4","2","3","2","6","7","1","1") = "6"
    & skf21("4","2","3","2","6","7","2","1") = "6"
    & skf21("4","2","3","2","6","7","3","1") = "6"
    & skf21("4","2","3","2","6","7","4","1") = "6"
    & skf21("4","2","3","2","6","7","5","1") = "6"
    & skf21("4","2","3","2","6","7","6","1") = "6"
    & skf21("4","2","3","2","6","7","7","1") = "6"
    & skf21("4","2","3","2","7","1","1","1") = "6"
    & skf21("4","2","3","2","7","1","2","1") = "6"
    & skf21("4","2","3","2","7","1","3","1") = "6"
    & skf21("4","2","3","2","7","1","4","1") = "6"
    & skf21("4","2","3","2","7","1","5","1") = "6"
    & skf21("4","2","3","2","7","1","6","1") = "6"
    & skf21("4","2","3","2","7","1","7","1") = "6"
    & skf21("4","2","3","2","7","2","1","1") = "6"
    & skf21("4","2","3","2","7","2","2","1") = "6"
    & skf21("4","2","3","2","7","2","3","1") = "6"
    & skf21("4","2","3","2","7","2","4","1") = "6"
    & skf21("4","2","3","2","7","2","5","1") = "6"
    & skf21("4","2","3","2","7","2","6","1") = "6"
    & skf21("4","2","3","2","7","2","7","1") = "6"
    & skf21("4","2","3","2","7","3","1","1") = "6"
    & skf21("4","2","3","2","7","3","2","1") = "6"
    & skf21("4","2","3","2","7","3","3","1") = "6"
    & skf21("4","2","3","2","7","3","4","1") = "6"
    & skf21("4","2","3","2","7","3","5","1") = "6"
    & skf21("4","2","3","2","7","3","6","1") = "6"
    & skf21("4","2","3","2","7","3","7","1") = "6"
    & skf21("4","2","3","2","7","4","1","1") = "6"
    & skf21("4","2","3","2","7","4","2","1") = "6"
    & skf21("4","2","3","2","7","4","3","1") = "6"
    & skf21("4","2","3","2","7","4","4","1") = "6"
    & skf21("4","2","3","2","7","4","5","1") = "6"
    & skf21("4","2","3","2","7","4","6","1") = "6"
    & skf21("4","2","3","2","7","4","7","1") = "6"
    & skf21("4","2","3","2","7","5","1","1") = "6"
    & skf21("4","2","3","2","7","5","2","1") = "6"
    & skf21("4","2","3","2","7","5","3","1") = "6"
    & skf21("4","2","3","2","7","5","4","1") = "6"
    & skf21("4","2","3","2","7","5","5","1") = "6"
    & skf21("4","2","3","2","7","5","6","1") = "6"
    & skf21("4","2","3","2","7","5","7","1") = "6"
    & skf21("4","2","3","2","7","6","1","1") = "6"
    & skf21("4","2","3","2","7","6","2","1") = "6"
    & skf21("4","2","3","2","7","6","3","1") = "6"
    & skf21("4","2","3","2","7","6","4","1") = "6"
    & skf21("4","2","3","2","7","6","5","1") = "6"
    & skf21("4","2","3","2","7","6","6","1") = "6"
    & skf21("4","2","3","2","7","6","7","1") = "6"
    & skf21("4","2","3","2","7","7","1","1") = "6"
    & skf21("4","2","3","2","7","7","2","1") = "6"
    & skf21("4","2","3","2","7","7","3","1") = "6"
    & skf21("4","2","3","2","7","7","4","1") = "6"
    & skf21("4","2","3","2","7","7","5","1") = "6"
    & skf21("4","2","3","2","7","7","6","1") = "6"
    & skf21("4","2","3","2","7","7","7","1") = "6"
    & skf21("4","2","3","3","1","1","1","1") = "3"
    & skf21("4","2","3","3","1","1","2","1") = "3"
    & skf21("4","2","3","3","1","1","3","1") = "3"
    & skf21("4","2","3","3","1","1","4","1") = "3"
    & skf21("4","2","3","3","1","1","5","1") = "4"
    & skf21("4","2","3","3","1","1","6","1") = "5"
    & skf21("4","2","3","3","1","1","7","1") = "6"
    & skf21("4","2","3","3","1","2","1","1") = "3"
    & skf21("4","2","3","3","1","2","2","1") = "3"
    & skf21("4","2","3","3","1","2","3","1") = "3"
    & skf21("4","2","3","3","1","2","4","1") = "3"
    & skf21("4","2","3","3","1","2","5","1") = "4"
    & skf21("4","2","3","3","1","2","6","1") = "5"
    & skf21("4","2","3","3","1","2","7","1") = "6"
    & skf21("4","2","3","3","1","3","1","1") = "3"
    & skf21("4","2","3","3","1","3","2","1") = "3"
    & skf21("4","2","3","3","1","3","3","1") = "3"
    & skf21("4","2","3","3","1","3","4","1") = "3"
    & skf21("4","2","3","3","1","3","5","1") = "4"
    & skf21("4","2","3","3","1","3","6","1") = "5"
    & skf21("4","2","3","3","1","3","7","1") = "6"
    & skf21("4","2","3","3","1","4","1","1") = "3"
    & skf21("4","2","3","3","1","4","2","1") = "3"
    & skf21("4","2","3","3","1","4","3","1") = "3"
    & skf21("4","2","3","3","1","4","4","1") = "3"
    & skf21("4","2","3","3","1","4","5","1") = "4"
    & skf21("4","2","3","3","1","4","6","1") = "5"
    & skf21("4","2","3","3","1","4","7","1") = "6"
    & skf21("4","2","3","3","1","5","1","1") = "4"
    & skf21("4","2","3","3","1","5","2","1") = "4"
    & skf21("4","2","3","3","1","5","3","1") = "4"
    & skf21("4","2","3","3","1","5","4","1") = "4"
    & skf21("4","2","3","3","1","5","5","1") = "4"
    & skf21("4","2","3","3","1","5","6","1") = "5"
    & skf21("4","2","3","3","1","5","7","1") = "6"
    & skf21("4","2","3","3","1","6","1","1") = "5"
    & skf21("4","2","3","3","1","6","2","1") = "5"
    & skf21("4","2","3","3","1","6","3","1") = "5"
    & skf21("4","2","3","3","1","6","4","1") = "5"
    & skf21("4","2","3","3","1","6","5","1") = "5"
    & skf21("4","2","3","3","1","6","6","1") = "5"
    & skf21("4","2","3","3","1","6","7","1") = "6"
    & skf21("4","2","3","3","1","7","1","1") = "6"
    & skf21("4","2","3","3","1","7","2","1") = "6"
    & skf21("4","2","3","3","1","7","3","1") = "6"
    & skf21("4","2","3","3","1","7","4","1") = "6"
    & skf21("4","2","3","3","1","7","5","1") = "6"
    & skf21("4","2","3","3","1","7","6","1") = "6"
    & skf21("4","2","3","3","1","7","7","1") = "6"
    & skf21("4","2","3","3","2","1","1","1") = "3"
    & skf21("4","2","3","3","2","1","2","1") = "3"
    & skf21("4","2","3","3","2","1","3","1") = "3"
    & skf21("4","2","3","3","2","1","4","1") = "3"
    & skf21("4","2","3","3","2","1","5","1") = "4"
    & skf21("4","2","3","3","2","1","6","1") = "5"
    & skf21("4","2","3","3","2","1","7","1") = "6"
    & skf21("4","2","3","3","2","2","1","1") = "3"
    & skf21("4","2","3","3","2","2","2","1") = "3"
    & skf21("4","2","3","3","2","2","3","1") = "3"
    & skf21("4","2","3","3","2","2","4","1") = "3"
    & skf21("4","2","3","3","2","2","5","1") = "4"
    & skf21("4","2","3","3","2","2","6","1") = "5"
    & skf21("4","2","3","3","2","2","7","1") = "6"
    & skf21("4","2","3","3","2","3","1","1") = "3"
    & skf21("4","2","3","3","2","3","2","1") = "3"
    & skf21("4","2","3","3","2","3","3","1") = "3"
    & skf21("4","2","3","3","2","3","4","1") = "3"
    & skf21("4","2","3","3","2","3","5","1") = "4"
    & skf21("4","2","3","3","2","3","6","1") = "5"
    & skf21("4","2","3","3","2","3","7","1") = "6"
    & skf21("4","2","3","3","2","4","1","1") = "3"
    & skf21("4","2","3","3","2","4","2","1") = "3"
    & skf21("4","2","3","3","2","4","3","1") = "3"
    & skf21("4","2","3","3","2","4","4","1") = "3"
    & skf21("4","2","3","3","2","4","5","1") = "4"
    & skf21("4","2","3","3","2","4","6","1") = "5"
    & skf21("4","2","3","3","2","4","7","1") = "6"
    & skf21("4","2","3","3","2","5","1","1") = "4"
    & skf21("4","2","3","3","2","5","2","1") = "4"
    & skf21("4","2","3","3","2","5","3","1") = "4"
    & skf21("4","2","3","3","2","5","4","1") = "4"
    & skf21("4","2","3","3","2","5","5","1") = "4"
    & skf21("4","2","3","3","2","5","6","1") = "5"
    & skf21("4","2","3","3","2","5","7","1") = "6"
    & skf21("4","2","3","3","2","6","1","1") = "5"
    & skf21("4","2","3","3","2","6","2","1") = "5"
    & skf21("4","2","3","3","2","6","3","1") = "5"
    & skf21("4","2","3","3","2","6","4","1") = "5"
    & skf21("4","2","3","3","2","6","5","1") = "5"
    & skf21("4","2","3","3","2","6","6","1") = "5"
    & skf21("4","2","3","3","2","6","7","1") = "6"
    & skf21("4","2","3","3","2","7","1","1") = "6"
    & skf21("4","2","3","3","2","7","2","1") = "6"
    & skf21("4","2","3","3","2","7","3","1") = "6"
    & skf21("4","2","3","3","2","7","4","1") = "6"
    & skf21("4","2","3","3","2","7","5","1") = "6"
    & skf21("4","2","3","3","2","7","6","1") = "6"
    & skf21("4","2","3","3","2","7","7","1") = "6"
    & skf21("4","2","3","3","3","1","1","1") = "3"
    & skf21("4","2","3","3","3","1","2","1") = "3"
    & skf21("4","2","3","3","3","1","3","1") = "3"
    & skf21("4","2","3","3","3","1","4","1") = "3"
    & skf21("4","2","3","3","3","1","5","1") = "4"
    & skf21("4","2","3","3","3","1","6","1") = "5"
    & skf21("4","2","3","3","3","1","7","1") = "6"
    & skf21("4","2","3","3","3","2","1","1") = "3"
    & skf21("4","2","3","3","3","2","2","1") = "3"
    & skf21("4","2","3","3","3","2","3","1") = "3"
    & skf21("4","2","3","3","3","2","4","1") = "3"
    & skf21("4","2","3","3","3","2","5","1") = "4"
    & skf21("4","2","3","3","3","2","6","1") = "5"
    & skf21("4","2","3","3","3","2","7","1") = "6"
    & skf21("4","2","3","3","3","3","1","1") = "3"
    & skf21("4","2","3","3","3","3","2","1") = "3"
    & skf21("4","2","3","3","3","3","3","1") = "3"
    & skf21("4","2","3","3","3","3","4","1") = "3"
    & skf21("4","2","3","3","3","3","5","1") = "4"
    & skf21("4","2","3","3","3","3","6","1") = "5"
    & skf21("4","2","3","3","3","3","7","1") = "6"
    & skf21("4","2","3","3","3","4","1","1") = "3"
    & skf21("4","2","3","3","3","4","2","1") = "3"
    & skf21("4","2","3","3","3","4","3","1") = "3"
    & skf21("4","2","3","3","3","4","4","1") = "3"
    & skf21("4","2","3","3","3","4","5","1") = "4"
    & skf21("4","2","3","3","3","4","6","1") = "5"
    & skf21("4","2","3","3","3","4","7","1") = "6"
    & skf21("4","2","3","3","3","5","1","1") = "4"
    & skf21("4","2","3","3","3","5","2","1") = "4"
    & skf21("4","2","3","3","3","5","3","1") = "4"
    & skf21("4","2","3","3","3","5","4","1") = "4"
    & skf21("4","2","3","3","3","5","5","1") = "4"
    & skf21("4","2","3","3","3","5","6","1") = "5"
    & skf21("4","2","3","3","3","5","7","1") = "6"
    & skf21("4","2","3","3","3","6","1","1") = "5"
    & skf21("4","2","3","3","3","6","2","1") = "5"
    & skf21("4","2","3","3","3","6","3","1") = "5"
    & skf21("4","2","3","3","3","6","4","1") = "5"
    & skf21("4","2","3","3","3","6","5","1") = "5"
    & skf21("4","2","3","3","3","6","6","1") = "5"
    & skf21("4","2","3","3","3","6","7","1") = "6"
    & skf21("4","2","3","3","3","7","1","1") = "6"
    & skf21("4","2","3","3","3","7","2","1") = "6"
    & skf21("4","2","3","3","3","7","3","1") = "6"
    & skf21("4","2","3","3","3","7","4","1") = "6"
    & skf21("4","2","3","3","3","7","5","1") = "6"
    & skf21("4","2","3","3","3","7","6","1") = "6"
    & skf21("4","2","3","3","3","7","7","1") = "6"
    & skf21("4","2","3","3","4","1","1","1") = "3"
    & skf21("4","2","3","3","4","1","2","1") = "3"
    & skf21("4","2","3","3","4","1","3","1") = "3"
    & skf21("4","2","3","3","4","1","4","1") = "3"
    & skf21("4","2","3","3","4","1","5","1") = "4"
    & skf21("4","2","3","3","4","1","6","1") = "5"
    & skf21("4","2","3","3","4","1","7","1") = "6"
    & skf21("4","2","3","3","4","2","1","1") = "3"
    & skf21("4","2","3","3","4","2","2","1") = "3"
    & skf21("4","2","3","3","4","2","3","1") = "3"
    & skf21("4","2","3","3","4","2","4","1") = "3"
    & skf21("4","2","3","3","4","2","5","1") = "4"
    & skf21("4","2","3","3","4","2","6","1") = "5"
    & skf21("4","2","3","3","4","2","7","1") = "6"
    & skf21("4","2","3","3","4","3","1","1") = "3"
    & skf21("4","2","3","3","4","3","2","1") = "3"
    & skf21("4","2","3","3","4","3","3","1") = "3"
    & skf21("4","2","3","3","4","3","4","1") = "3"
    & skf21("4","2","3","3","4","3","5","1") = "4"
    & skf21("4","2","3","3","4","3","6","1") = "5"
    & skf21("4","2","3","3","4","3","7","1") = "6"
    & skf21("4","2","3","3","4","4","1","1") = "3"
    & skf21("4","2","3","3","4","4","2","1") = "3"
    & skf21("4","2","3","3","4","4","3","1") = "3"
    & skf21("4","2","3","3","4","4","4","1") = "3"
    & skf21("4","2","3","3","4","4","5","1") = "4"
    & skf21("4","2","3","3","4","4","6","1") = "5"
    & skf21("4","2","3","3","4","4","7","1") = "6"
    & skf21("4","2","3","3","4","5","1","1") = "4"
    & skf21("4","2","3","3","4","5","2","1") = "4"
    & skf21("4","2","3","3","4","5","3","1") = "4"
    & skf21("4","2","3","3","4","5","4","1") = "4"
    & skf21("4","2","3","3","4","5","5","1") = "4"
    & skf21("4","2","3","3","4","5","6","1") = "5"
    & skf21("4","2","3","3","4","5","7","1") = "6"
    & skf21("4","2","3","3","4","6","1","1") = "5"
    & skf21("4","2","3","3","4","6","2","1") = "5"
    & skf21("4","2","3","3","4","6","3","1") = "5"
    & skf21("4","2","3","3","4","6","4","1") = "5"
    & skf21("4","2","3","3","4","6","5","1") = "5"
    & skf21("4","2","3","3","4","6","6","1") = "5"
    & skf21("4","2","3","3","4","6","7","1") = "6"
    & skf21("4","2","3","3","4","7","1","1") = "6"
    & skf21("4","2","3","3","4","7","2","1") = "6"
    & skf21("4","2","3","3","4","7","3","1") = "6"
    & skf21("4","2","3","3","4","7","4","1") = "6"
    & skf21("4","2","3","3","4","7","5","1") = "6"
    & skf21("4","2","3","3","4","7","6","1") = "6"
    & skf21("4","2","3","3","4","7","7","1") = "6"
    & skf21("4","2","3","3","5","1","1","1") = "4"
    & skf21("4","2","3","3","5","1","2","1") = "4"
    & skf21("4","2","3","3","5","1","3","1") = "4"
    & skf21("4","2","3","3","5","1","4","1") = "4"
    & skf21("4","2","3","3","5","1","5","1") = "4"
    & skf21("4","2","3","3","5","1","6","1") = "5"
    & skf21("4","2","3","3","5","1","7","1") = "6"
    & skf21("4","2","3","3","5","2","1","1") = "4"
    & skf21("4","2","3","3","5","2","2","1") = "4"
    & skf21("4","2","3","3","5","2","3","1") = "4"
    & skf21("4","2","3","3","5","2","4","1") = "4"
    & skf21("4","2","3","3","5","2","5","1") = "4"
    & skf21("4","2","3","3","5","2","6","1") = "5"
    & skf21("4","2","3","3","5","2","7","1") = "6"
    & skf21("4","2","3","3","5","3","1","1") = "4"
    & skf21("4","2","3","3","5","3","2","1") = "4"
    & skf21("4","2","3","3","5","3","3","1") = "4"
    & skf21("4","2","3","3","5","3","4","1") = "4"
    & skf21("4","2","3","3","5","3","5","1") = "4"
    & skf21("4","2","3","3","5","3","6","1") = "5"
    & skf21("4","2","3","3","5","3","7","1") = "6"
    & skf21("4","2","3","3","5","4","1","1") = "4"
    & skf21("4","2","3","3","5","4","2","1") = "4"
    & skf21("4","2","3","3","5","4","3","1") = "4"
    & skf21("4","2","3","3","5","4","4","1") = "4"
    & skf21("4","2","3","3","5","4","5","1") = "4"
    & skf21("4","2","3","3","5","4","6","1") = "5"
    & skf21("4","2","3","3","5","4","7","1") = "6"
    & skf21("4","2","3","3","5","5","1","1") = "4"
    & skf21("4","2","3","3","5","5","2","1") = "4"
    & skf21("4","2","3","3","5","5","3","1") = "4"
    & skf21("4","2","3","3","5","5","4","1") = "4"
    & skf21("4","2","3","3","5","5","5","1") = "4"
    & skf21("4","2","3","3","5","5","6","1") = "5"
    & skf21("4","2","3","3","5","5","7","1") = "6"
    & skf21("4","2","3","3","5","6","1","1") = "5"
    & skf21("4","2","3","3","5","6","2","1") = "5"
    & skf21("4","2","3","3","5","6","3","1") = "5"
    & skf21("4","2","3","3","5","6","4","1") = "5"
    & skf21("4","2","3","3","5","6","5","1") = "5"
    & skf21("4","2","3","3","5","6","6","1") = "5"
    & skf21("4","2","3","3","5","6","7","1") = "6"
    & skf21("4","2","3","3","5","7","1","1") = "6"
    & skf21("4","2","3","3","5","7","2","1") = "6"
    & skf21("4","2","3","3","5","7","3","1") = "6"
    & skf21("4","2","3","3","5","7","4","1") = "6"
    & skf21("4","2","3","3","5","7","5","1") = "6"
    & skf21("4","2","3","3","5","7","6","1") = "6"
    & skf21("4","2","3","3","5","7","7","1") = "6"
    & skf21("4","2","3","3","6","1","1","1") = "5"
    & skf21("4","2","3","3","6","1","2","1") = "5"
    & skf21("4","2","3","3","6","1","3","1") = "5"
    & skf21("4","2","3","3","6","1","4","1") = "5"
    & skf21("4","2","3","3","6","1","5","1") = "5"
    & skf21("4","2","3","3","6","1","6","1") = "5"
    & skf21("4","2","3","3","6","1","7","1") = "6"
    & skf21("4","2","3","3","6","2","1","1") = "5"
    & skf21("4","2","3","3","6","2","2","1") = "5"
    & skf21("4","2","3","3","6","2","3","1") = "5"
    & skf21("4","2","3","3","6","2","4","1") = "5"
    & skf21("4","2","3","3","6","2","5","1") = "5"
    & skf21("4","2","3","3","6","2","6","1") = "5"
    & skf21("4","2","3","3","6","2","7","1") = "6"
    & skf21("4","2","3","3","6","3","1","1") = "5"
    & skf21("4","2","3","3","6","3","2","1") = "5"
    & skf21("4","2","3","3","6","3","3","1") = "5"
    & skf21("4","2","3","3","6","3","4","1") = "5"
    & skf21("4","2","3","3","6","3","5","1") = "5"
    & skf21("4","2","3","3","6","3","6","1") = "5"
    & skf21("4","2","3","3","6","3","7","1") = "6"
    & skf21("4","2","3","3","6","4","1","1") = "5"
    & skf21("4","2","3","3","6","4","2","1") = "5"
    & skf21("4","2","3","3","6","4","3","1") = "5"
    & skf21("4","2","3","3","6","4","4","1") = "5"
    & skf21("4","2","3","3","6","4","5","1") = "5"
    & skf21("4","2","3","3","6","4","6","1") = "5"
    & skf21("4","2","3","3","6","4","7","1") = "6"
    & skf21("4","2","3","3","6","5","1","1") = "5"
    & skf21("4","2","3","3","6","5","2","1") = "5"
    & skf21("4","2","3","3","6","5","3","1") = "5"
    & skf21("4","2","3","3","6","5","4","1") = "5"
    & skf21("4","2","3","3","6","5","5","1") = "5"
    & skf21("4","2","3","3","6","5","6","1") = "5"
    & skf21("4","2","3","3","6","5","7","1") = "6"
    & skf21("4","2","3","3","6","6","1","1") = "5"
    & skf21("4","2","3","3","6","6","2","1") = "5"
    & skf21("4","2","3","3","6","6","3","1") = "5"
    & skf21("4","2","3","3","6","6","4","1") = "5"
    & skf21("4","2","3","3","6","6","5","1") = "5"
    & skf21("4","2","3","3","6","6","6","1") = "5"
    & skf21("4","2","3","3","6","6","7","1") = "6"
    & skf21("4","2","3","3","6","7","1","1") = "6"
    & skf21("4","2","3","3","6","7","2","1") = "6"
    & skf21("4","2","3","3","6","7","3","1") = "6"
    & skf21("4","2","3","3","6","7","4","1") = "6"
    & skf21("4","2","3","3","6","7","5","1") = "6"
    & skf21("4","2","3","3","6","7","6","1") = "6"
    & skf21("4","2","3","3","6","7","7","1") = "6"
    & skf21("4","2","3","3","7","1","1","1") = "6"
    & skf21("4","2","3","3","7","1","2","1") = "6"
    & skf21("4","2","3","3","7","1","3","1") = "6"
    & skf21("4","2","3","3","7","1","4","1") = "6"
    & skf21("4","2","3","3","7","1","5","1") = "6"
    & skf21("4","2","3","3","7","1","6","1") = "6"
    & skf21("4","2","3","3","7","1","7","1") = "6"
    & skf21("4","2","3","3","7","2","1","1") = "6"
    & skf21("4","2","3","3","7","2","2","1") = "6"
    & skf21("4","2","3","3","7","2","3","1") = "6"
    & skf21("4","2","3","3","7","2","4","1") = "6"
    & skf21("4","2","3","3","7","2","5","1") = "6"
    & skf21("4","2","3","3","7","2","6","1") = "6"
    & skf21("4","2","3","3","7","2","7","1") = "6"
    & skf21("4","2","3","3","7","3","1","1") = "6"
    & skf21("4","2","3","3","7","3","2","1") = "6"
    & skf21("4","2","3","3","7","3","3","1") = "6"
    & skf21("4","2","3","3","7","3","4","1") = "6"
    & skf21("4","2","3","3","7","3","5","1") = "6"
    & skf21("4","2","3","3","7","3","6","1") = "6"
    & skf21("4","2","3","3","7","3","7","1") = "6"
    & skf21("4","2","3","3","7","4","1","1") = "6"
    & skf21("4","2","3","3","7","4","2","1") = "6"
    & skf21("4","2","3","3","7","4","3","1") = "6"
    & skf21("4","2","3","3","7","4","4","1") = "6"
    & skf21("4","2","3","3","7","4","5","1") = "6"
    & skf21("4","2","3","3","7","4","6","1") = "6"
    & skf21("4","2","3","3","7","4","7","1") = "6"
    & skf21("4","2","3","3","7","5","1","1") = "6"
    & skf21("4","2","3","3","7","5","2","1") = "6"
    & skf21("4","2","3","3","7","5","3","1") = "6"
    & skf21("4","2","3","3","7","5","4","1") = "6"
    & skf21("4","2","3","3","7","5","5","1") = "6"
    & skf21("4","2","3","3","7","5","6","1") = "6"
    & skf21("4","2","3","3","7","5","7","1") = "6"
    & skf21("4","2","3","3","7","6","1","1") = "6"
    & skf21("4","2","3","3","7","6","2","1") = "6"
    & skf21("4","2","3","3","7","6","3","1") = "6"
    & skf21("4","2","3","3","7","6","4","1") = "6"
    & skf21("4","2","3","3","7","6","5","1") = "6"
    & skf21("4","2","3","3","7","6","6","1") = "6"
    & skf21("4","2","3","3","7","6","7","1") = "6"
    & skf21("4","2","3","3","7","7","1","1") = "6"
    & skf21("4","2","3","3","7","7","2","1") = "6"
    & skf21("4","2","3","3","7","7","3","1") = "6"
    & skf21("4","2","3","3","7","7","4","1") = "6"
    & skf21("4","2","3","3","7","7","5","1") = "6"
    & skf21("4","2","3","3","7","7","6","1") = "6"
    & skf21("4","2","3","3","7","7","7","1") = "6"
    & skf21("4","2","3","4","1","1","1","1") = "3"
    & skf21("4","2","3","4","1","1","2","1") = "3"
    & skf21("4","2","3","4","1","1","3","1") = "3"
    & skf21("4","2","3","4","1","1","4","1") = "3"
    & skf21("4","2","3","4","1","1","5","1") = "4"
    & skf21("4","2","3","4","1","1","6","1") = "5"
    & skf21("4","2","3","4","1","1","7","1") = "6"
    & skf21("4","2","3","4","1","2","1","1") = "3"
    & skf21("4","2","3","4","1","2","2","1") = "3"
    & skf21("4","2","3","4","1","2","3","1") = "3"
    & skf21("4","2","3","4","1","2","4","1") = "3"
    & skf21("4","2","3","4","1","2","5","1") = "4"
    & skf21("4","2","3","4","1","2","6","1") = "5"
    & skf21("4","2","3","4","1","2","7","1") = "6"
    & skf21("4","2","3","4","1","3","1","1") = "3"
    & skf21("4","2","3","4","1","3","2","1") = "3"
    & skf21("4","2","3","4","1","3","3","1") = "3"
    & skf21("4","2","3","4","1","3","4","1") = "3"
    & skf21("4","2","3","4","1","3","5","1") = "4"
    & skf21("4","2","3","4","1","3","6","1") = "5"
    & skf21("4","2","3","4","1","3","7","1") = "6"
    & skf21("4","2","3","4","1","4","1","1") = "3"
    & skf21("4","2","3","4","1","4","2","1") = "3"
    & skf21("4","2","3","4","1","4","3","1") = "3"
    & skf21("4","2","3","4","1","4","4","1") = "3"
    & skf21("4","2","3","4","1","4","5","1") = "4"
    & skf21("4","2","3","4","1","4","6","1") = "5"
    & skf21("4","2","3","4","1","4","7","1") = "6"
    & skf21("4","2","3","4","1","5","1","1") = "4"
    & skf21("4","2","3","4","1","5","2","1") = "4"
    & skf21("4","2","3","4","1","5","3","1") = "4"
    & skf21("4","2","3","4","1","5","4","1") = "4"
    & skf21("4","2","3","4","1","5","5","1") = "4"
    & skf21("4","2","3","4","1","5","6","1") = "5"
    & skf21("4","2","3","4","1","5","7","1") = "6"
    & skf21("4","2","3","4","1","6","1","1") = "5"
    & skf21("4","2","3","4","1","6","2","1") = "5"
    & skf21("4","2","3","4","1","6","3","1") = "5"
    & skf21("4","2","3","4","1","6","4","1") = "5"
    & skf21("4","2","3","4","1","6","5","1") = "5"
    & skf21("4","2","3","4","1","6","6","1") = "5"
    & skf21("4","2","3","4","1","6","7","1") = "6"
    & skf21("4","2","3","4","1","7","1","1") = "6"
    & skf21("4","2","3","4","1","7","2","1") = "6"
    & skf21("4","2","3","4","1","7","3","1") = "6"
    & skf21("4","2","3","4","1","7","4","1") = "6"
    & skf21("4","2","3","4","1","7","5","1") = "6"
    & skf21("4","2","3","4","1","7","6","1") = "6"
    & skf21("4","2","3","4","1","7","7","1") = "6"
    & skf21("4","2","3","4","2","1","1","1") = "3"
    & skf21("4","2","3","4","2","1","2","1") = "3"
    & skf21("4","2","3","4","2","1","3","1") = "3"
    & skf21("4","2","3","4","2","1","4","1") = "3"
    & skf21("4","2","3","4","2","1","5","1") = "4"
    & skf21("4","2","3","4","2","1","6","1") = "5"
    & skf21("4","2","3","4","2","1","7","1") = "6"
    & skf21("4","2","3","4","2","2","1","1") = "3"
    & skf21("4","2","3","4","2","2","2","1") = "3"
    & skf21("4","2","3","4","2","2","3","1") = "3"
    & skf21("4","2","3","4","2","2","4","1") = "3"
    & skf21("4","2","3","4","2","2","5","1") = "4"
    & skf21("4","2","3","4","2","2","6","1") = "5"
    & skf21("4","2","3","4","2","2","7","1") = "6"
    & skf21("4","2","3","4","2","3","1","1") = "3"
    & skf21("4","2","3","4","2","3","2","1") = "3"
    & skf21("4","2","3","4","2","3","3","1") = "3"
    & skf21("4","2","3","4","2","3","4","1") = "3"
    & skf21("4","2","3","4","2","3","5","1") = "4"
    & skf21("4","2","3","4","2","3","6","1") = "5"
    & skf21("4","2","3","4","2","3","7","1") = "6"
    & skf21("4","2","3","4","2","4","1","1") = "3"
    & skf21("4","2","3","4","2","4","2","1") = "3"
    & skf21("4","2","3","4","2","4","3","1") = "3"
    & skf21("4","2","3","4","2","4","4","1") = "3"
    & skf21("4","2","3","4","2","4","5","1") = "4"
    & skf21("4","2","3","4","2","4","6","1") = "5"
    & skf21("4","2","3","4","2","4","7","1") = "6"
    & skf21("4","2","3","4","2","5","1","1") = "4"
    & skf21("4","2","3","4","2","5","2","1") = "4"
    & skf21("4","2","3","4","2","5","3","1") = "4"
    & skf21("4","2","3","4","2","5","4","1") = "4"
    & skf21("4","2","3","4","2","5","5","1") = "4"
    & skf21("4","2","3","4","2","5","6","1") = "5"
    & skf21("4","2","3","4","2","5","7","1") = "6"
    & skf21("4","2","3","4","2","6","1","1") = "5"
    & skf21("4","2","3","4","2","6","2","1") = "5"
    & skf21("4","2","3","4","2","6","3","1") = "5"
    & skf21("4","2","3","4","2","6","4","1") = "5"
    & skf21("4","2","3","4","2","6","5","1") = "5"
    & skf21("4","2","3","4","2","6","6","1") = "5"
    & skf21("4","2","3","4","2","6","7","1") = "6"
    & skf21("4","2","3","4","2","7","1","1") = "6"
    & skf21("4","2","3","4","2","7","2","1") = "6"
    & skf21("4","2","3","4","2","7","3","1") = "6"
    & skf21("4","2","3","4","2","7","4","1") = "6"
    & skf21("4","2","3","4","2","7","5","1") = "6"
    & skf21("4","2","3","4","2","7","6","1") = "6"
    & skf21("4","2","3","4","2","7","7","1") = "6"
    & skf21("4","2","3","4","3","1","1","1") = "3"
    & skf21("4","2","3","4","3","1","2","1") = "3"
    & skf21("4","2","3","4","3","1","3","1") = "3"
    & skf21("4","2","3","4","3","1","4","1") = "3"
    & skf21("4","2","3","4","3","1","5","1") = "4"
    & skf21("4","2","3","4","3","1","6","1") = "5"
    & skf21("4","2","3","4","3","1","7","1") = "6"
    & skf21("4","2","3","4","3","2","1","1") = "3"
    & skf21("4","2","3","4","3","2","2","1") = "3"
    & skf21("4","2","3","4","3","2","3","1") = "3"
    & skf21("4","2","3","4","3","2","4","1") = "3"
    & skf21("4","2","3","4","3","2","5","1") = "4"
    & skf21("4","2","3","4","3","2","6","1") = "5"
    & skf21("4","2","3","4","3","2","7","1") = "6"
    & skf21("4","2","3","4","3","3","1","1") = "3"
    & skf21("4","2","3","4","3","3","2","1") = "3"
    & skf21("4","2","3","4","3","3","3","1") = "3"
    & skf21("4","2","3","4","3","3","4","1") = "3"
    & skf21("4","2","3","4","3","3","5","1") = "4"
    & skf21("4","2","3","4","3","3","6","1") = "5"
    & skf21("4","2","3","4","3","3","7","1") = "6"
    & skf21("4","2","3","4","3","4","1","1") = "3"
    & skf21("4","2","3","4","3","4","2","1") = "3"
    & skf21("4","2","3","4","3","4","3","1") = "3"
    & skf21("4","2","3","4","3","4","4","1") = "3"
    & skf21("4","2","3","4","3","4","5","1") = "4"
    & skf21("4","2","3","4","3","4","6","1") = "5"
    & skf21("4","2","3","4","3","4","7","1") = "6"
    & skf21("4","2","3","4","3","5","1","1") = "4"
    & skf21("4","2","3","4","3","5","2","1") = "4"
    & skf21("4","2","3","4","3","5","3","1") = "4"
    & skf21("4","2","3","4","3","5","4","1") = "4"
    & skf21("4","2","3","4","3","5","5","1") = "4"
    & skf21("4","2","3","4","3","5","6","1") = "5"
    & skf21("4","2","3","4","3","5","7","1") = "6"
    & skf21("4","2","3","4","3","6","1","1") = "5"
    & skf21("4","2","3","4","3","6","2","1") = "5"
    & skf21("4","2","3","4","3","6","3","1") = "5"
    & skf21("4","2","3","4","3","6","4","1") = "5"
    & skf21("4","2","3","4","3","6","5","1") = "5"
    & skf21("4","2","3","4","3","6","6","1") = "5"
    & skf21("4","2","3","4","3","6","7","1") = "6"
    & skf21("4","2","3","4","3","7","1","1") = "6"
    & skf21("4","2","3","4","3","7","2","1") = "6"
    & skf21("4","2","3","4","3","7","3","1") = "6"
    & skf21("4","2","3","4","3","7","4","1") = "6"
    & skf21("4","2","3","4","3","7","5","1") = "6"
    & skf21("4","2","3","4","3","7","6","1") = "6"
    & skf21("4","2","3","4","3","7","7","1") = "6"
    & skf21("4","2","3","4","4","1","1","1") = "3"
    & skf21("4","2","3","4","4","1","2","1") = "3"
    & skf21("4","2","3","4","4","1","3","1") = "3"
    & skf21("4","2","3","4","4","1","4","1") = "3"
    & skf21("4","2","3","4","4","1","5","1") = "4"
    & skf21("4","2","3","4","4","1","6","1") = "5"
    & skf21("4","2","3","4","4","1","7","1") = "6"
    & skf21("4","2","3","4","4","2","1","1") = "3"
    & skf21("4","2","3","4","4","2","2","1") = "3"
    & skf21("4","2","3","4","4","2","3","1") = "3"
    & skf21("4","2","3","4","4","2","4","1") = "3"
    & skf21("4","2","3","4","4","2","5","1") = "4"
    & skf21("4","2","3","4","4","2","6","1") = "5"
    & skf21("4","2","3","4","4","2","7","1") = "6"
    & skf21("4","2","3","4","4","3","1","1") = "3"
    & skf21("4","2","3","4","4","3","2","1") = "3"
    & skf21("4","2","3","4","4","3","3","1") = "3"
    & skf21("4","2","3","4","4","3","4","1") = "3"
    & skf21("4","2","3","4","4","3","5","1") = "4"
    & skf21("4","2","3","4","4","3","6","1") = "5"
    & skf21("4","2","3","4","4","3","7","1") = "6"
    & skf21("4","2","3","4","4","4","1","1") = "3"
    & skf21("4","2","3","4","4","4","2","1") = "3"
    & skf21("4","2","3","4","4","4","3","1") = "3"
    & skf21("4","2","3","4","4","4","4","1") = "3"
    & skf21("4","2","3","4","4","4","5","1") = "4"
    & skf21("4","2","3","4","4","4","6","1") = "5"
    & skf21("4","2","3","4","4","4","7","1") = "6"
    & skf21("4","2","3","4","4","5","1","1") = "4"
    & skf21("4","2","3","4","4","5","2","1") = "4"
    & skf21("4","2","3","4","4","5","3","1") = "4"
    & skf21("4","2","3","4","4","5","4","1") = "4"
    & skf21("4","2","3","4","4","5","5","1") = "4"
    & skf21("4","2","3","4","4","5","6","1") = "5"
    & skf21("4","2","3","4","4","5","7","1") = "6"
    & skf21("4","2","3","4","4","6","1","1") = "5"
    & skf21("4","2","3","4","4","6","2","1") = "5"
    & skf21("4","2","3","4","4","6","3","1") = "5"
    & skf21("4","2","3","4","4","6","4","1") = "5"
    & skf21("4","2","3","4","4","6","5","1") = "5"
    & skf21("4","2","3","4","4","6","6","1") = "5"
    & skf21("4","2","3","4","4","6","7","1") = "6"
    & skf21("4","2","3","4","4","7","1","1") = "6"
    & skf21("4","2","3","4","4","7","2","1") = "6"
    & skf21("4","2","3","4","4","7","3","1") = "6"
    & skf21("4","2","3","4","4","7","4","1") = "6"
    & skf21("4","2","3","4","4","7","5","1") = "6"
    & skf21("4","2","3","4","4","7","6","1") = "6"
    & skf21("4","2","3","4","4","7","7","1") = "6"
    & skf21("4","2","3","4","5","1","1","1") = "4"
    & skf21("4","2","3","4","5","1","2","1") = "4"
    & skf21("4","2","3","4","5","1","3","1") = "4"
    & skf21("4","2","3","4","5","1","4","1") = "4"
    & skf21("4","2","3","4","5","1","5","1") = "4"
    & skf21("4","2","3","4","5","1","6","1") = "5"
    & skf21("4","2","3","4","5","1","7","1") = "6"
    & skf21("4","2","3","4","5","2","1","1") = "4"
    & skf21("4","2","3","4","5","2","2","1") = "4"
    & skf21("4","2","3","4","5","2","3","1") = "4"
    & skf21("4","2","3","4","5","2","4","1") = "4"
    & skf21("4","2","3","4","5","2","5","1") = "4"
    & skf21("4","2","3","4","5","2","6","1") = "5"
    & skf21("4","2","3","4","5","2","7","1") = "6"
    & skf21("4","2","3","4","5","3","1","1") = "4"
    & skf21("4","2","3","4","5","3","2","1") = "4"
    & skf21("4","2","3","4","5","3","3","1") = "4"
    & skf21("4","2","3","4","5","3","4","1") = "4"
    & skf21("4","2","3","4","5","3","5","1") = "4"
    & skf21("4","2","3","4","5","3","6","1") = "5"
    & skf21("4","2","3","4","5","3","7","1") = "6"
    & skf21("4","2","3","4","5","4","1","1") = "4"
    & skf21("4","2","3","4","5","4","2","1") = "4"
    & skf21("4","2","3","4","5","4","3","1") = "4"
    & skf21("4","2","3","4","5","4","4","1") = "4"
    & skf21("4","2","3","4","5","4","5","1") = "4"
    & skf21("4","2","3","4","5","4","6","1") = "5"
    & skf21("4","2","3","4","5","4","7","1") = "6"
    & skf21("4","2","3","4","5","5","1","1") = "4"
    & skf21("4","2","3","4","5","5","2","1") = "4"
    & skf21("4","2","3","4","5","5","3","1") = "4"
    & skf21("4","2","3","4","5","5","4","1") = "4"
    & skf21("4","2","3","4","5","5","5","1") = "4"
    & skf21("4","2","3","4","5","5","6","1") = "5"
    & skf21("4","2","3","4","5","5","7","1") = "6"
    & skf21("4","2","3","4","5","6","1","1") = "5"
    & skf21("4","2","3","4","5","6","2","1") = "5"
    & skf21("4","2","3","4","5","6","3","1") = "5"
    & skf21("4","2","3","4","5","6","4","1") = "5"
    & skf21("4","2","3","4","5","6","5","1") = "5"
    & skf21("4","2","3","4","5","6","6","1") = "5"
    & skf21("4","2","3","4","5","6","7","1") = "6"
    & skf21("4","2","3","4","5","7","1","1") = "6"
    & skf21("4","2","3","4","5","7","2","1") = "6"
    & skf21("4","2","3","4","5","7","3","1") = "6"
    & skf21("4","2","3","4","5","7","4","1") = "6"
    & skf21("4","2","3","4","5","7","5","1") = "6"
    & skf21("4","2","3","4","5","7","6","1") = "6"
    & skf21("4","2","3","4","5","7","7","1") = "6"
    & skf21("4","2","3","4","6","1","1","1") = "5"
    & skf21("4","2","3","4","6","1","2","1") = "5"
    & skf21("4","2","3","4","6","1","3","1") = "5"
    & skf21("4","2","3","4","6","1","4","1") = "5"
    & skf21("4","2","3","4","6","1","5","1") = "5"
    & skf21("4","2","3","4","6","1","6","1") = "5"
    & skf21("4","2","3","4","6","1","7","1") = "6"
    & skf21("4","2","3","4","6","2","1","1") = "5"
    & skf21("4","2","3","4","6","2","2","1") = "5"
    & skf21("4","2","3","4","6","2","3","1") = "5"
    & skf21("4","2","3","4","6","2","4","1") = "5"
    & skf21("4","2","3","4","6","2","5","1") = "5"
    & skf21("4","2","3","4","6","2","6","1") = "5"
    & skf21("4","2","3","4","6","2","7","1") = "6"
    & skf21("4","2","3","4","6","3","1","1") = "5"
    & skf21("4","2","3","4","6","3","2","1") = "5"
    & skf21("4","2","3","4","6","3","3","1") = "5"
    & skf21("4","2","3","4","6","3","4","1") = "5"
    & skf21("4","2","3","4","6","3","5","1") = "5"
    & skf21("4","2","3","4","6","3","6","1") = "5"
    & skf21("4","2","3","4","6","3","7","1") = "6"
    & skf21("4","2","3","4","6","4","1","1") = "5"
    & skf21("4","2","3","4","6","4","2","1") = "5"
    & skf21("4","2","3","4","6","4","3","1") = "5"
    & skf21("4","2","3","4","6","4","4","1") = "5"
    & skf21("4","2","3","4","6","4","5","1") = "5"
    & skf21("4","2","3","4","6","4","6","1") = "5"
    & skf21("4","2","3","4","6","4","7","1") = "6"
    & skf21("4","2","3","4","6","5","1","1") = "5"
    & skf21("4","2","3","4","6","5","2","1") = "5"
    & skf21("4","2","3","4","6","5","3","1") = "5"
    & skf21("4","2","3","4","6","5","4","1") = "5"
    & skf21("4","2","3","4","6","5","5","1") = "5"
    & skf21("4","2","3","4","6","5","6","1") = "5"
    & skf21("4","2","3","4","6","5","7","1") = "6"
    & skf21("4","2","3","4","6","6","1","1") = "5"
    & skf21("4","2","3","4","6","6","2","1") = "5"
    & skf21("4","2","3","4","6","6","3","1") = "5"
    & skf21("4","2","3","4","6","6","4","1") = "5"
    & skf21("4","2","3","4","6","6","5","1") = "5"
    & skf21("4","2","3","4","6","6","6","1") = "5"
    & skf21("4","2","3","4","6","6","7","1") = "6"
    & skf21("4","2","3","4","6","7","1","1") = "6"
    & skf21("4","2","3","4","6","7","2","1") = "6"
    & skf21("4","2","3","4","6","7","3","1") = "6"
    & skf21("4","2","3","4","6","7","4","1") = "6"
    & skf21("4","2","3","4","6","7","5","1") = "6"
    & skf21("4","2","3","4","6","7","6","1") = "6"
    & skf21("4","2","3","4","6","7","7","1") = "6"
    & skf21("4","2","3","4","7","1","1","1") = "6"
    & skf21("4","2","3","4","7","1","2","1") = "6"
    & skf21("4","2","3","4","7","1","3","1") = "6"
    & skf21("4","2","3","4","7","1","4","1") = "6"
    & skf21("4","2","3","4","7","1","5","1") = "6"
    & skf21("4","2","3","4","7","1","6","1") = "6"
    & skf21("4","2","3","4","7","1","7","1") = "6"
    & skf21("4","2","3","4","7","2","1","1") = "6"
    & skf21("4","2","3","4","7","2","2","1") = "6"
    & skf21("4","2","3","4","7","2","3","1") = "6"
    & skf21("4","2","3","4","7","2","4","1") = "6"
    & skf21("4","2","3","4","7","2","5","1") = "6"
    & skf21("4","2","3","4","7","2","6","1") = "6"
    & skf21("4","2","3","4","7","2","7","1") = "6"
    & skf21("4","2","3","4","7","3","1","1") = "6"
    & skf21("4","2","3","4","7","3","2","1") = "6"
    & skf21("4","2","3","4","7","3","3","1") = "6"
    & skf21("4","2","3","4","7","3","4","1") = "6"
    & skf21("4","2","3","4","7","3","5","1") = "6"
    & skf21("4","2","3","4","7","3","6","1") = "6"
    & skf21("4","2","3","4","7","3","7","1") = "6"
    & skf21("4","2","3","4","7","4","1","1") = "6"
    & skf21("4","2","3","4","7","4","2","1") = "6"
    & skf21("4","2","3","4","7","4","3","1") = "6"
    & skf21("4","2","3","4","7","4","4","1") = "6"
    & skf21("4","2","3","4","7","4","5","1") = "6"
    & skf21("4","2","3","4","7","4","6","1") = "6"
    & skf21("4","2","3","4","7","4","7","1") = "6"
    & skf21("4","2","3","4","7","5","1","1") = "6"
    & skf21("4","2","3","4","7","5","2","1") = "6"
    & skf21("4","2","3","4","7","5","3","1") = "6"
    & skf21("4","2","3","4","7","5","4","1") = "6"
    & skf21("4","2","3","4","7","5","5","1") = "6"
    & skf21("4","2","3","4","7","5","6","1") = "6"
    & skf21("4","2","3","4","7","5","7","1") = "6"
    & skf21("4","2","3","4","7","6","1","1") = "6"
    & skf21("4","2","3","4","7","6","2","1") = "6"
    & skf21("4","2","3","4","7","6","3","1") = "6"
    & skf21("4","2","3","4","7","6","4","1") = "6"
    & skf21("4","2","3","4","7","6","5","1") = "6"
    & skf21("4","2","3","4","7","6","6","1") = "6"
    & skf21("4","2","3","4","7","6","7","1") = "6"
    & skf21("4","2","3","4","7","7","1","1") = "6"
    & skf21("4","2","3","4","7","7","2","1") = "6"
    & skf21("4","2","3","4","7","7","3","1") = "6"
    & skf21("4","2","3","4","7","7","4","1") = "6"
    & skf21("4","2","3","4","7","7","5","1") = "6"
    & skf21("4","2","3","4","7","7","6","1") = "6"
    & skf21("4","2","3","4","7","7","7","1") = "6"
    & skf21("4","2","3","5","1","1","1","1") = "4"
    & skf21("4","2","3","5","1","1","2","1") = "4"
    & skf21("4","2","3","5","1","1","3","1") = "4"
    & skf21("4","2","3","5","1","1","4","1") = "4"
    & skf21("4","2","3","5","1","1","5","1") = "4"
    & skf21("4","2","3","5","1","1","6","1") = "5"
    & skf21("4","2","3","5","1","1","7","1") = "6"
    & skf21("4","2","3","5","1","2","1","1") = "4"
    & skf21("4","2","3","5","1","2","2","1") = "4"
    & skf21("4","2","3","5","1","2","3","1") = "4"
    & skf21("4","2","3","5","1","2","4","1") = "4"
    & skf21("4","2","3","5","1","2","5","1") = "4"
    & skf21("4","2","3","5","1","2","6","1") = "5"
    & skf21("4","2","3","5","1","2","7","1") = "6"
    & skf21("4","2","3","5","1","3","1","1") = "4"
    & skf21("4","2","3","5","1","3","2","1") = "4"
    & skf21("4","2","3","5","1","3","3","1") = "4"
    & skf21("4","2","3","5","1","3","4","1") = "4"
    & skf21("4","2","3","5","1","3","5","1") = "4"
    & skf21("4","2","3","5","1","3","6","1") = "5"
    & skf21("4","2","3","5","1","3","7","1") = "6"
    & skf21("4","2","3","5","1","4","1","1") = "4"
    & skf21("4","2","3","5","1","4","2","1") = "4"
    & skf21("4","2","3","5","1","4","3","1") = "4"
    & skf21("4","2","3","5","1","4","4","1") = "4"
    & skf21("4","2","3","5","1","4","5","1") = "4"
    & skf21("4","2","3","5","1","4","6","1") = "5"
    & skf21("4","2","3","5","1","4","7","1") = "6"
    & skf21("4","2","3","5","1","5","1","1") = "4"
    & skf21("4","2","3","5","1","5","2","1") = "4"
    & skf21("4","2","3","5","1","5","3","1") = "4"
    & skf21("4","2","3","5","1","5","4","1") = "4"
    & skf21("4","2","3","5","1","5","5","1") = "4"
    & skf21("4","2","3","5","1","5","6","1") = "5"
    & skf21("4","2","3","5","1","5","7","1") = "6"
    & skf21("4","2","3","5","1","6","1","1") = "5"
    & skf21("4","2","3","5","1","6","2","1") = "5"
    & skf21("4","2","3","5","1","6","3","1") = "5"
    & skf21("4","2","3","5","1","6","4","1") = "5"
    & skf21("4","2","3","5","1","6","5","1") = "5"
    & skf21("4","2","3","5","1","6","6","1") = "5"
    & skf21("4","2","3","5","1","6","7","1") = "6"
    & skf21("4","2","3","5","1","7","1","1") = "6"
    & skf21("4","2","3","5","1","7","2","1") = "6"
    & skf21("4","2","3","5","1","7","3","1") = "6"
    & skf21("4","2","3","5","1","7","4","1") = "6"
    & skf21("4","2","3","5","1","7","5","1") = "6"
    & skf21("4","2","3","5","1","7","6","1") = "6"
    & skf21("4","2","3","5","1","7","7","1") = "6"
    & skf21("4","2","3","5","2","1","1","1") = "4"
    & skf21("4","2","3","5","2","1","2","1") = "4"
    & skf21("4","2","3","5","2","1","3","1") = "4"
    & skf21("4","2","3","5","2","1","4","1") = "4"
    & skf21("4","2","3","5","2","1","5","1") = "4"
    & skf21("4","2","3","5","2","1","6","1") = "5"
    & skf21("4","2","3","5","2","1","7","1") = "6"
    & skf21("4","2","3","5","2","2","1","1") = "4"
    & skf21("4","2","3","5","2","2","2","1") = "4"
    & skf21("4","2","3","5","2","2","3","1") = "4"
    & skf21("4","2","3","5","2","2","4","1") = "4"
    & skf21("4","2","3","5","2","2","5","1") = "4"
    & skf21("4","2","3","5","2","2","6","1") = "5"
    & skf21("4","2","3","5","2","2","7","1") = "6"
    & skf21("4","2","3","5","2","3","1","1") = "4"
    & skf21("4","2","3","5","2","3","2","1") = "4"
    & skf21("4","2","3","5","2","3","3","1") = "4"
    & skf21("4","2","3","5","2","3","4","1") = "4"
    & skf21("4","2","3","5","2","3","5","1") = "4"
    & skf21("4","2","3","5","2","3","6","1") = "5"
    & skf21("4","2","3","5","2","3","7","1") = "6"
    & skf21("4","2","3","5","2","4","1","1") = "4"
    & skf21("4","2","3","5","2","4","2","1") = "4"
    & skf21("4","2","3","5","2","4","3","1") = "4"
    & skf21("4","2","3","5","2","4","4","1") = "4"
    & skf21("4","2","3","5","2","4","5","1") = "4"
    & skf21("4","2","3","5","2","4","6","1") = "5"
    & skf21("4","2","3","5","2","4","7","1") = "6"
    & skf21("4","2","3","5","2","5","1","1") = "4"
    & skf21("4","2","3","5","2","5","2","1") = "4"
    & skf21("4","2","3","5","2","5","3","1") = "4"
    & skf21("4","2","3","5","2","5","4","1") = "4"
    & skf21("4","2","3","5","2","5","5","1") = "4"
    & skf21("4","2","3","5","2","5","6","1") = "5"
    & skf21("4","2","3","5","2","5","7","1") = "6"
    & skf21("4","2","3","5","2","6","1","1") = "5"
    & skf21("4","2","3","5","2","6","2","1") = "5"
    & skf21("4","2","3","5","2","6","3","1") = "5"
    & skf21("4","2","3","5","2","6","4","1") = "5"
    & skf21("4","2","3","5","2","6","5","1") = "5"
    & skf21("4","2","3","5","2","6","6","1") = "5"
    & skf21("4","2","3","5","2","6","7","1") = "6"
    & skf21("4","2","3","5","2","7","1","1") = "6"
    & skf21("4","2","3","5","2","7","2","1") = "6"
    & skf21("4","2","3","5","2","7","3","1") = "6"
    & skf21("4","2","3","5","2","7","4","1") = "6"
    & skf21("4","2","3","5","2","7","5","1") = "6"
    & skf21("4","2","3","5","2","7","6","1") = "6"
    & skf21("4","2","3","5","2","7","7","1") = "6"
    & skf21("4","2","3","5","3","1","1","1") = "4"
    & skf21("4","2","3","5","3","1","2","1") = "4"
    & skf21("4","2","3","5","3","1","3","1") = "4"
    & skf21("4","2","3","5","3","1","4","1") = "4"
    & skf21("4","2","3","5","3","1","5","1") = "4"
    & skf21("4","2","3","5","3","1","6","1") = "5"
    & skf21("4","2","3","5","3","1","7","1") = "6"
    & skf21("4","2","3","5","3","2","1","1") = "4"
    & skf21("4","2","3","5","3","2","2","1") = "4"
    & skf21("4","2","3","5","3","2","3","1") = "4"
    & skf21("4","2","3","5","3","2","4","1") = "4"
    & skf21("4","2","3","5","3","2","5","1") = "4"
    & skf21("4","2","3","5","3","2","6","1") = "5"
    & skf21("4","2","3","5","3","2","7","1") = "6"
    & skf21("4","2","3","5","3","3","1","1") = "4"
    & skf21("4","2","3","5","3","3","2","1") = "4"
    & skf21("4","2","3","5","3","3","3","1") = "4"
    & skf21("4","2","3","5","3","3","4","1") = "4"
    & skf21("4","2","3","5","3","3","5","1") = "4"
    & skf21("4","2","3","5","3","3","6","1") = "5"
    & skf21("4","2","3","5","3","3","7","1") = "6"
    & skf21("4","2","3","5","3","4","1","1") = "4"
    & skf21("4","2","3","5","3","4","2","1") = "4"
    & skf21("4","2","3","5","3","4","3","1") = "4"
    & skf21("4","2","3","5","3","4","4","1") = "4"
    & skf21("4","2","3","5","3","4","5","1") = "4"
    & skf21("4","2","3","5","3","4","6","1") = "5"
    & skf21("4","2","3","5","3","4","7","1") = "6"
    & skf21("4","2","3","5","3","5","1","1") = "4"
    & skf21("4","2","3","5","3","5","2","1") = "4"
    & skf21("4","2","3","5","3","5","3","1") = "4"
    & skf21("4","2","3","5","3","5","4","1") = "4"
    & skf21("4","2","3","5","3","5","5","1") = "4"
    & skf21("4","2","3","5","3","5","6","1") = "5"
    & skf21("4","2","3","5","3","5","7","1") = "6"
    & skf21("4","2","3","5","3","6","1","1") = "5"
    & skf21("4","2","3","5","3","6","2","1") = "5"
    & skf21("4","2","3","5","3","6","3","1") = "5"
    & skf21("4","2","3","5","3","6","4","1") = "5"
    & skf21("4","2","3","5","3","6","5","1") = "5"
    & skf21("4","2","3","5","3","6","6","1") = "5"
    & skf21("4","2","3","5","3","6","7","1") = "6"
    & skf21("4","2","3","5","3","7","1","1") = "6"
    & skf21("4","2","3","5","3","7","2","1") = "6"
    & skf21("4","2","3","5","3","7","3","1") = "6"
    & skf21("4","2","3","5","3","7","4","1") = "6"
    & skf21("4","2","3","5","3","7","5","1") = "6"
    & skf21("4","2","3","5","3","7","6","1") = "6"
    & skf21("4","2","3","5","3","7","7","1") = "6"
    & skf21("4","2","3","5","4","1","1","1") = "4"
    & skf21("4","2","3","5","4","1","2","1") = "4"
    & skf21("4","2","3","5","4","1","3","1") = "4"
    & skf21("4","2","3","5","4","1","4","1") = "4"
    & skf21("4","2","3","5","4","1","5","1") = "4"
    & skf21("4","2","3","5","4","1","6","1") = "5"
    & skf21("4","2","3","5","4","1","7","1") = "6"
    & skf21("4","2","3","5","4","2","1","1") = "4"
    & skf21("4","2","3","5","4","2","2","1") = "4"
    & skf21("4","2","3","5","4","2","3","1") = "4"
    & skf21("4","2","3","5","4","2","4","1") = "4"
    & skf21("4","2","3","5","4","2","5","1") = "4"
    & skf21("4","2","3","5","4","2","6","1") = "5"
    & skf21("4","2","3","5","4","2","7","1") = "6"
    & skf21("4","2","3","5","4","3","1","1") = "4"
    & skf21("4","2","3","5","4","3","2","1") = "4"
    & skf21("4","2","3","5","4","3","3","1") = "4"
    & skf21("4","2","3","5","4","3","4","1") = "4"
    & skf21("4","2","3","5","4","3","5","1") = "4"
    & skf21("4","2","3","5","4","3","6","1") = "5"
    & skf21("4","2","3","5","4","3","7","1") = "6"
    & skf21("4","2","3","5","4","4","1","1") = "4"
    & skf21("4","2","3","5","4","4","2","1") = "4"
    & skf21("4","2","3","5","4","4","3","1") = "4"
    & skf21("4","2","3","5","4","4","4","1") = "4"
    & skf21("4","2","3","5","4","4","5","1") = "4"
    & skf21("4","2","3","5","4","4","6","1") = "5"
    & skf21("4","2","3","5","4","4","7","1") = "6"
    & skf21("4","2","3","5","4","5","1","1") = "4"
    & skf21("4","2","3","5","4","5","2","1") = "4"
    & skf21("4","2","3","5","4","5","3","1") = "4"
    & skf21("4","2","3","5","4","5","4","1") = "4"
    & skf21("4","2","3","5","4","5","5","1") = "4"
    & skf21("4","2","3","5","4","5","6","1") = "5"
    & skf21("4","2","3","5","4","5","7","1") = "6"
    & skf21("4","2","3","5","4","6","1","1") = "5"
    & skf21("4","2","3","5","4","6","2","1") = "5"
    & skf21("4","2","3","5","4","6","3","1") = "5"
    & skf21("4","2","3","5","4","6","4","1") = "5"
    & skf21("4","2","3","5","4","6","5","1") = "5"
    & skf21("4","2","3","5","4","6","6","1") = "5"
    & skf21("4","2","3","5","4","6","7","1") = "6"
    & skf21("4","2","3","5","4","7","1","1") = "6"
    & skf21("4","2","3","5","4","7","2","1") = "6"
    & skf21("4","2","3","5","4","7","3","1") = "6"
    & skf21("4","2","3","5","4","7","4","1") = "6"
    & skf21("4","2","3","5","4","7","5","1") = "6"
    & skf21("4","2","3","5","4","7","6","1") = "6"
    & skf21("4","2","3","5","4","7","7","1") = "6"
    & skf21("4","2","3","5","5","1","1","1") = "4"
    & skf21("4","2","3","5","5","1","2","1") = "4"
    & skf21("4","2","3","5","5","1","3","1") = "4"
    & skf21("4","2","3","5","5","1","4","1") = "4"
    & skf21("4","2","3","5","5","1","5","1") = "4"
    & skf21("4","2","3","5","5","1","6","1") = "5"
    & skf21("4","2","3","5","5","1","7","1") = "6"
    & skf21("4","2","3","5","5","2","1","1") = "4"
    & skf21("4","2","3","5","5","2","2","1") = "4"
    & skf21("4","2","3","5","5","2","3","1") = "4"
    & skf21("4","2","3","5","5","2","4","1") = "4"
    & skf21("4","2","3","5","5","2","5","1") = "4"
    & skf21("4","2","3","5","5","2","6","1") = "5"
    & skf21("4","2","3","5","5","2","7","1") = "6"
    & skf21("4","2","3","5","5","3","1","1") = "4"
    & skf21("4","2","3","5","5","3","2","1") = "4"
    & skf21("4","2","3","5","5","3","3","1") = "4"
    & skf21("4","2","3","5","5","3","4","1") = "4"
    & skf21("4","2","3","5","5","3","5","1") = "4"
    & skf21("4","2","3","5","5","3","6","1") = "5"
    & skf21("4","2","3","5","5","3","7","1") = "6"
    & skf21("4","2","3","5","5","4","1","1") = "4"
    & skf21("4","2","3","5","5","4","2","1") = "4"
    & skf21("4","2","3","5","5","4","3","1") = "4"
    & skf21("4","2","3","5","5","4","4","1") = "4"
    & skf21("4","2","3","5","5","4","5","1") = "4"
    & skf21("4","2","3","5","5","4","6","1") = "5"
    & skf21("4","2","3","5","5","4","7","1") = "6"
    & skf21("4","2","3","5","5","5","1","1") = "4"
    & skf21("4","2","3","5","5","5","2","1") = "4"
    & skf21("4","2","3","5","5","5","3","1") = "4"
    & skf21("4","2","3","5","5","5","4","1") = "4"
    & skf21("4","2","3","5","5","5","5","1") = "4"
    & skf21("4","2","3","5","5","5","6","1") = "5"
    & skf21("4","2","3","5","5","5","7","1") = "6"
    & skf21("4","2","3","5","5","6","1","1") = "5"
    & skf21("4","2","3","5","5","6","2","1") = "5"
    & skf21("4","2","3","5","5","6","3","1") = "5"
    & skf21("4","2","3","5","5","6","4","1") = "5"
    & skf21("4","2","3","5","5","6","5","1") = "5"
    & skf21("4","2","3","5","5","6","6","1") = "5"
    & skf21("4","2","3","5","5","6","7","1") = "6"
    & skf21("4","2","3","5","5","7","1","1") = "6"
    & skf21("4","2","3","5","5","7","2","1") = "6"
    & skf21("4","2","3","5","5","7","3","1") = "6"
    & skf21("4","2","3","5","5","7","4","1") = "6"
    & skf21("4","2","3","5","5","7","5","1") = "6"
    & skf21("4","2","3","5","5","7","6","1") = "6"
    & skf21("4","2","3","5","5","7","7","1") = "6"
    & skf21("4","2","3","5","6","1","1","1") = "5"
    & skf21("4","2","3","5","6","1","2","1") = "5"
    & skf21("4","2","3","5","6","1","3","1") = "5"
    & skf21("4","2","3","5","6","1","4","1") = "5"
    & skf21("4","2","3","5","6","1","5","1") = "5"
    & skf21("4","2","3","5","6","1","6","1") = "5"
    & skf21("4","2","3","5","6","1","7","1") = "6"
    & skf21("4","2","3","5","6","2","1","1") = "5"
    & skf21("4","2","3","5","6","2","2","1") = "5"
    & skf21("4","2","3","5","6","2","3","1") = "5"
    & skf21("4","2","3","5","6","2","4","1") = "5"
    & skf21("4","2","3","5","6","2","5","1") = "5"
    & skf21("4","2","3","5","6","2","6","1") = "5"
    & skf21("4","2","3","5","6","2","7","1") = "6"
    & skf21("4","2","3","5","6","3","1","1") = "5"
    & skf21("4","2","3","5","6","3","2","1") = "5"
    & skf21("4","2","3","5","6","3","3","1") = "5"
    & skf21("4","2","3","5","6","3","4","1") = "5"
    & skf21("4","2","3","5","6","3","5","1") = "5"
    & skf21("4","2","3","5","6","3","6","1") = "5"
    & skf21("4","2","3","5","6","3","7","1") = "6"
    & skf21("4","2","3","5","6","4","1","1") = "5"
    & skf21("4","2","3","5","6","4","2","1") = "5"
    & skf21("4","2","3","5","6","4","3","1") = "5"
    & skf21("4","2","3","5","6","4","4","1") = "5"
    & skf21("4","2","3","5","6","4","5","1") = "5"
    & skf21("4","2","3","5","6","4","6","1") = "5"
    & skf21("4","2","3","5","6","4","7","1") = "6"
    & skf21("4","2","3","5","6","5","1","1") = "5"
    & skf21("4","2","3","5","6","5","2","1") = "5"
    & skf21("4","2","3","5","6","5","3","1") = "5"
    & skf21("4","2","3","5","6","5","4","1") = "5"
    & skf21("4","2","3","5","6","5","5","1") = "5"
    & skf21("4","2","3","5","6","5","6","1") = "5"
    & skf21("4","2","3","5","6","5","7","1") = "6"
    & skf21("4","2","3","5","6","6","1","1") = "5"
    & skf21("4","2","3","5","6","6","2","1") = "5"
    & skf21("4","2","3","5","6","6","3","1") = "5"
    & skf21("4","2","3","5","6","6","4","1") = "5"
    & skf21("4","2","3","5","6","6","5","1") = "5"
    & skf21("4","2","3","5","6","6","6","1") = "5"
    & skf21("4","2","3","5","6","6","7","1") = "6"
    & skf21("4","2","3","5","6","7","1","1") = "6"
    & skf21("4","2","3","5","6","7","2","1") = "6"
    & skf21("4","2","3","5","6","7","3","1") = "6"
    & skf21("4","2","3","5","6","7","4","1") = "6"
    & skf21("4","2","3","5","6","7","5","1") = "6"
    & skf21("4","2","3","5","6","7","6","1") = "6"
    & skf21("4","2","3","5","6","7","7","1") = "6"
    & skf21("4","2","3","5","7","1","1","1") = "6"
    & skf21("4","2","3","5","7","1","2","1") = "6"
    & skf21("4","2","3","5","7","1","3","1") = "6"
    & skf21("4","2","3","5","7","1","4","1") = "6"
    & skf21("4","2","3","5","7","1","5","1") = "6"
    & skf21("4","2","3","5","7","1","6","1") = "6"
    & skf21("4","2","3","5","7","1","7","1") = "6"
    & skf21("4","2","3","5","7","2","1","1") = "6"
    & skf21("4","2","3","5","7","2","2","1") = "6"
    & skf21("4","2","3","5","7","2","3","1") = "6"
    & skf21("4","2","3","5","7","2","4","1") = "6"
    & skf21("4","2","3","5","7","2","5","1") = "6"
    & skf21("4","2","3","5","7","2","6","1") = "6"
    & skf21("4","2","3","5","7","2","7","1") = "6"
    & skf21("4","2","3","5","7","3","1","1") = "6"
    & skf21("4","2","3","5","7","3","2","1") = "6"
    & skf21("4","2","3","5","7","3","3","1") = "6"
    & skf21("4","2","3","5","7","3","4","1") = "6"
    & skf21("4","2","3","5","7","3","5","1") = "6"
    & skf21("4","2","3","5","7","3","6","1") = "6"
    & skf21("4","2","3","5","7","3","7","1") = "6"
    & skf21("4","2","3","5","7","4","1","1") = "6"
    & skf21("4","2","3","5","7","4","2","1") = "6"
    & skf21("4","2","3","5","7","4","3","1") = "6"
    & skf21("4","2","3","5","7","4","4","1") = "6"
    & skf21("4","2","3","5","7","4","5","1") = "6"
    & skf21("4","2","3","5","7","4","6","1") = "6"
    & skf21("4","2","3","5","7","4","7","1") = "6"
    & skf21("4","2","3","5","7","5","1","1") = "6"
    & skf21("4","2","3","5","7","5","2","1") = "6"
    & skf21("4","2","3","5","7","5","3","1") = "6"
    & skf21("4","2","3","5","7","5","4","1") = "6"
    & skf21("4","2","3","5","7","5","5","1") = "6"
    & skf21("4","2","3","5","7","5","6","1") = "6"
    & skf21("4","2","3","5","7","5","7","1") = "6"
    & skf21("4","2","3","5","7","6","1","1") = "6"
    & skf21("4","2","3","5","7","6","2","1") = "6"
    & skf21("4","2","3","5","7","6","3","1") = "6"
    & skf21("4","2","3","5","7","6","4","1") = "6"
    & skf21("4","2","3","5","7","6","5","1") = "6"
    & skf21("4","2","3","5","7","6","6","1") = "6"
    & skf21("4","2","3","5","7","6","7","1") = "6"
    & skf21("4","2","3","5","7","7","1","1") = "6"
    & skf21("4","2","3","5","7","7","2","1") = "6"
    & skf21("4","2","3","5","7","7","3","1") = "6"
    & skf21("4","2","3","5","7","7","4","1") = "6"
    & skf21("4","2","3","5","7","7","5","1") = "6"
    & skf21("4","2","3","5","7","7","6","1") = "6"
    & skf21("4","2","3","5","7","7","7","1") = "6"
    & skf21("4","2","3","6","1","1","1","1") = "5"
    & skf21("4","2","3","6","1","1","2","1") = "5"
    & skf21("4","2","3","6","1","1","3","1") = "5"
    & skf21("4","2","3","6","1","1","4","1") = "5"
    & skf21("4","2","3","6","1","1","5","1") = "5"
    & skf21("4","2","3","6","1","1","6","1") = "5"
    & skf21("4","2","3","6","1","1","7","1") = "6"
    & skf21("4","2","3","6","1","2","1","1") = "5"
    & skf21("4","2","3","6","1","2","2","1") = "5"
    & skf21("4","2","3","6","1","2","3","1") = "5"
    & skf21("4","2","3","6","1","2","4","1") = "5"
    & skf21("4","2","3","6","1","2","5","1") = "5"
    & skf21("4","2","3","6","1","2","6","1") = "5"
    & skf21("4","2","3","6","1","2","7","1") = "6"
    & skf21("4","2","3","6","1","3","1","1") = "5"
    & skf21("4","2","3","6","1","3","2","1") = "5"
    & skf21("4","2","3","6","1","3","3","1") = "5"
    & skf21("4","2","3","6","1","3","4","1") = "5"
    & skf21("4","2","3","6","1","3","5","1") = "5"
    & skf21("4","2","3","6","1","3","6","1") = "5"
    & skf21("4","2","3","6","1","3","7","1") = "6"
    & skf21("4","2","3","6","1","4","1","1") = "5"
    & skf21("4","2","3","6","1","4","2","1") = "5"
    & skf21("4","2","3","6","1","4","3","1") = "5"
    & skf21("4","2","3","6","1","4","4","1") = "5"
    & skf21("4","2","3","6","1","4","5","1") = "5"
    & skf21("4","2","3","6","1","4","6","1") = "5"
    & skf21("4","2","3","6","1","4","7","1") = "6"
    & skf21("4","2","3","6","1","5","1","1") = "5"
    & skf21("4","2","3","6","1","5","2","1") = "5"
    & skf21("4","2","3","6","1","5","3","1") = "5"
    & skf21("4","2","3","6","1","5","4","1") = "5"
    & skf21("4","2","3","6","1","5","5","1") = "5"
    & skf21("4","2","3","6","1","5","6","1") = "5"
    & skf21("4","2","3","6","1","5","7","1") = "6"
    & skf21("4","2","3","6","1","6","1","1") = "5"
    & skf21("4","2","3","6","1","6","2","1") = "5"
    & skf21("4","2","3","6","1","6","3","1") = "5"
    & skf21("4","2","3","6","1","6","4","1") = "5"
    & skf21("4","2","3","6","1","6","5","1") = "5"
    & skf21("4","2","3","6","1","6","6","1") = "5"
    & skf21("4","2","3","6","1","6","7","1") = "6"
    & skf21("4","2","3","6","1","7","1","1") = "6"
    & skf21("4","2","3","6","1","7","2","1") = "6"
    & skf21("4","2","3","6","1","7","3","1") = "6"
    & skf21("4","2","3","6","1","7","4","1") = "6"
    & skf21("4","2","3","6","1","7","5","1") = "6"
    & skf21("4","2","3","6","1","7","6","1") = "6"
    & skf21("4","2","3","6","1","7","7","1") = "6"
    & skf21("4","2","3","6","2","1","1","1") = "5"
    & skf21("4","2","3","6","2","1","2","1") = "5"
    & skf21("4","2","3","6","2","1","3","1") = "5"
    & skf21("4","2","3","6","2","1","4","1") = "5"
    & skf21("4","2","3","6","2","1","5","1") = "5"
    & skf21("4","2","3","6","2","1","6","1") = "5"
    & skf21("4","2","3","6","2","1","7","1") = "6"
    & skf21("4","2","3","6","2","2","1","1") = "5"
    & skf21("4","2","3","6","2","2","2","1") = "5"
    & skf21("4","2","3","6","2","2","3","1") = "5"
    & skf21("4","2","3","6","2","2","4","1") = "5"
    & skf21("4","2","3","6","2","2","5","1") = "5"
    & skf21("4","2","3","6","2","2","6","1") = "5"
    & skf21("4","2","3","6","2","2","7","1") = "6"
    & skf21("4","2","3","6","2","3","1","1") = "5"
    & skf21("4","2","3","6","2","3","2","1") = "5"
    & skf21("4","2","3","6","2","3","3","1") = "5"
    & skf21("4","2","3","6","2","3","4","1") = "5"
    & skf21("4","2","3","6","2","3","5","1") = "5"
    & skf21("4","2","3","6","2","3","6","1") = "5"
    & skf21("4","2","3","6","2","3","7","1") = "6"
    & skf21("4","2","3","6","2","4","1","1") = "5"
    & skf21("4","2","3","6","2","4","2","1") = "5"
    & skf21("4","2","3","6","2","4","3","1") = "5"
    & skf21("4","2","3","6","2","4","4","1") = "5"
    & skf21("4","2","3","6","2","4","5","1") = "5"
    & skf21("4","2","3","6","2","4","6","1") = "5"
    & skf21("4","2","3","6","2","4","7","1") = "6"
    & skf21("4","2","3","6","2","5","1","1") = "5"
    & skf21("4","2","3","6","2","5","2","1") = "5"
    & skf21("4","2","3","6","2","5","3","1") = "5"
    & skf21("4","2","3","6","2","5","4","1") = "5"
    & skf21("4","2","3","6","2","5","5","1") = "5"
    & skf21("4","2","3","6","2","5","6","1") = "5"
    & skf21("4","2","3","6","2","5","7","1") = "6"
    & skf21("4","2","3","6","2","6","1","1") = "5"
    & skf21("4","2","3","6","2","6","2","1") = "5"
    & skf21("4","2","3","6","2","6","3","1") = "5"
    & skf21("4","2","3","6","2","6","4","1") = "5"
    & skf21("4","2","3","6","2","6","5","1") = "5"
    & skf21("4","2","3","6","2","6","6","1") = "5"
    & skf21("4","2","3","6","2","6","7","1") = "6"
    & skf21("4","2","3","6","2","7","1","1") = "6"
    & skf21("4","2","3","6","2","7","2","1") = "6"
    & skf21("4","2","3","6","2","7","3","1") = "6"
    & skf21("4","2","3","6","2","7","4","1") = "6"
    & skf21("4","2","3","6","2","7","5","1") = "6"
    & skf21("4","2","3","6","2","7","6","1") = "6"
    & skf21("4","2","3","6","2","7","7","1") = "6"
    & skf21("4","2","3","6","3","1","1","1") = "5"
    & skf21("4","2","3","6","3","1","2","1") = "5"
    & skf21("4","2","3","6","3","1","3","1") = "5"
    & skf21("4","2","3","6","3","1","4","1") = "5"
    & skf21("4","2","3","6","3","1","5","1") = "5"
    & skf21("4","2","3","6","3","1","6","1") = "5"
    & skf21("4","2","3","6","3","1","7","1") = "6"
    & skf21("4","2","3","6","3","2","1","1") = "5"
    & skf21("4","2","3","6","3","2","2","1") = "5"
    & skf21("4","2","3","6","3","2","3","1") = "5"
    & skf21("4","2","3","6","3","2","4","1") = "5"
    & skf21("4","2","3","6","3","2","5","1") = "5"
    & skf21("4","2","3","6","3","2","6","1") = "5"
    & skf21("4","2","3","6","3","2","7","1") = "6"
    & skf21("4","2","3","6","3","3","1","1") = "5"
    & skf21("4","2","3","6","3","3","2","1") = "5"
    & skf21("4","2","3","6","3","3","3","1") = "5"
    & skf21("4","2","3","6","3","3","4","1") = "5"
    & skf21("4","2","3","6","3","3","5","1") = "5"
    & skf21("4","2","3","6","3","3","6","1") = "5"
    & skf21("4","2","3","6","3","3","7","1") = "6"
    & skf21("4","2","3","6","3","4","1","1") = "5"
    & skf21("4","2","3","6","3","4","2","1") = "5"
    & skf21("4","2","3","6","3","4","3","1") = "5"
    & skf21("4","2","3","6","3","4","4","1") = "5"
    & skf21("4","2","3","6","3","4","5","1") = "5"
    & skf21("4","2","3","6","3","4","6","1") = "5"
    & skf21("4","2","3","6","3","4","7","1") = "6"
    & skf21("4","2","3","6","3","5","1","1") = "5"
    & skf21("4","2","3","6","3","5","2","1") = "5"
    & skf21("4","2","3","6","3","5","3","1") = "5"
    & skf21("4","2","3","6","3","5","4","1") = "5"
    & skf21("4","2","3","6","3","5","5","1") = "5"
    & skf21("4","2","3","6","3","5","6","1") = "5"
    & skf21("4","2","3","6","3","5","7","1") = "6"
    & skf21("4","2","3","6","3","6","1","1") = "5"
    & skf21("4","2","3","6","3","6","2","1") = "5"
    & skf21("4","2","3","6","3","6","3","1") = "5"
    & skf21("4","2","3","6","3","6","4","1") = "5"
    & skf21("4","2","3","6","3","6","5","1") = "5"
    & skf21("4","2","3","6","3","6","6","1") = "5"
    & skf21("4","2","3","6","3","6","7","1") = "6"
    & skf21("4","2","3","6","3","7","1","1") = "6"
    & skf21("4","2","3","6","3","7","2","1") = "6"
    & skf21("4","2","3","6","3","7","3","1") = "6"
    & skf21("4","2","3","6","3","7","4","1") = "6"
    & skf21("4","2","3","6","3","7","5","1") = "6"
    & skf21("4","2","3","6","3","7","6","1") = "6"
    & skf21("4","2","3","6","3","7","7","1") = "6"
    & skf21("4","2","3","6","4","1","1","1") = "5"
    & skf21("4","2","3","6","4","1","2","1") = "5"
    & skf21("4","2","3","6","4","1","3","1") = "5"
    & skf21("4","2","3","6","4","1","4","1") = "5"
    & skf21("4","2","3","6","4","1","5","1") = "5"
    & skf21("4","2","3","6","4","1","6","1") = "5"
    & skf21("4","2","3","6","4","1","7","1") = "6"
    & skf21("4","2","3","6","4","2","1","1") = "5"
    & skf21("4","2","3","6","4","2","2","1") = "5"
    & skf21("4","2","3","6","4","2","3","1") = "5"
    & skf21("4","2","3","6","4","2","4","1") = "5"
    & skf21("4","2","3","6","4","2","5","1") = "5"
    & skf21("4","2","3","6","4","2","6","1") = "5"
    & skf21("4","2","3","6","4","2","7","1") = "6"
    & skf21("4","2","3","6","4","3","1","1") = "5"
    & skf21("4","2","3","6","4","3","2","1") = "5"
    & skf21("4","2","3","6","4","3","3","1") = "5"
    & skf21("4","2","3","6","4","3","4","1") = "5"
    & skf21("4","2","3","6","4","3","5","1") = "5"
    & skf21("4","2","3","6","4","3","6","1") = "5"
    & skf21("4","2","3","6","4","3","7","1") = "6"
    & skf21("4","2","3","6","4","4","1","1") = "5"
    & skf21("4","2","3","6","4","4","2","1") = "5"
    & skf21("4","2","3","6","4","4","3","1") = "5"
    & skf21("4","2","3","6","4","4","4","1") = "5"
    & skf21("4","2","3","6","4","4","5","1") = "5"
    & skf21("4","2","3","6","4","4","6","1") = "5"
    & skf21("4","2","3","6","4","4","7","1") = "6"
    & skf21("4","2","3","6","4","5","1","1") = "5"
    & skf21("4","2","3","6","4","5","2","1") = "5"
    & skf21("4","2","3","6","4","5","3","1") = "5"
    & skf21("4","2","3","6","4","5","4","1") = "5"
    & skf21("4","2","3","6","4","5","5","1") = "5"
    & skf21("4","2","3","6","4","5","6","1") = "5"
    & skf21("4","2","3","6","4","5","7","1") = "6"
    & skf21("4","2","3","6","4","6","1","1") = "5"
    & skf21("4","2","3","6","4","6","2","1") = "5"
    & skf21("4","2","3","6","4","6","3","1") = "5"
    & skf21("4","2","3","6","4","6","4","1") = "5"
    & skf21("4","2","3","6","4","6","5","1") = "5"
    & skf21("4","2","3","6","4","6","6","1") = "5"
    & skf21("4","2","3","6","4","6","7","1") = "6"
    & skf21("4","2","3","6","4","7","1","1") = "6"
    & skf21("4","2","3","6","4","7","2","1") = "6"
    & skf21("4","2","3","6","4","7","3","1") = "6"
    & skf21("4","2","3","6","4","7","4","1") = "6"
    & skf21("4","2","3","6","4","7","5","1") = "6"
    & skf21("4","2","3","6","4","7","6","1") = "6"
    & skf21("4","2","3","6","4","7","7","1") = "6"
    & skf21("4","2","3","6","5","1","1","1") = "5"
    & skf21("4","2","3","6","5","1","2","1") = "5"
    & skf21("4","2","3","6","5","1","3","1") = "5"
    & skf21("4","2","3","6","5","1","4","1") = "5"
    & skf21("4","2","3","6","5","1","5","1") = "5"
    & skf21("4","2","3","6","5","1","6","1") = "5"
    & skf21("4","2","3","6","5","1","7","1") = "6"
    & skf21("4","2","3","6","5","2","1","1") = "5"
    & skf21("4","2","3","6","5","2","2","1") = "5"
    & skf21("4","2","3","6","5","2","3","1") = "5"
    & skf21("4","2","3","6","5","2","4","1") = "5"
    & skf21("4","2","3","6","5","2","5","1") = "5"
    & skf21("4","2","3","6","5","2","6","1") = "5"
    & skf21("4","2","3","6","5","2","7","1") = "6"
    & skf21("4","2","3","6","5","3","1","1") = "5"
    & skf21("4","2","3","6","5","3","2","1") = "5"
    & skf21("4","2","3","6","5","3","3","1") = "5"
    & skf21("4","2","3","6","5","3","4","1") = "5"
    & skf21("4","2","3","6","5","3","5","1") = "5"
    & skf21("4","2","3","6","5","3","6","1") = "5"
    & skf21("4","2","3","6","5","3","7","1") = "6"
    & skf21("4","2","3","6","5","4","1","1") = "5"
    & skf21("4","2","3","6","5","4","2","1") = "5"
    & skf21("4","2","3","6","5","4","3","1") = "5"
    & skf21("4","2","3","6","5","4","4","1") = "5"
    & skf21("4","2","3","6","5","4","5","1") = "5"
    & skf21("4","2","3","6","5","4","6","1") = "5"
    & skf21("4","2","3","6","5","4","7","1") = "6"
    & skf21("4","2","3","6","5","5","1","1") = "5"
    & skf21("4","2","3","6","5","5","2","1") = "5"
    & skf21("4","2","3","6","5","5","3","1") = "5"
    & skf21("4","2","3","6","5","5","4","1") = "5"
    & skf21("4","2","3","6","5","5","5","1") = "5"
    & skf21("4","2","3","6","5","5","6","1") = "5"
    & skf21("4","2","3","6","5","5","7","1") = "6"
    & skf21("4","2","3","6","5","6","1","1") = "5"
    & skf21("4","2","3","6","5","6","2","1") = "5"
    & skf21("4","2","3","6","5","6","3","1") = "5"
    & skf21("4","2","3","6","5","6","4","1") = "5"
    & skf21("4","2","3","6","5","6","5","1") = "5"
    & skf21("4","2","3","6","5","6","6","1") = "5"
    & skf21("4","2","3","6","5","6","7","1") = "6"
    & skf21("4","2","3","6","5","7","1","1") = "6"
    & skf21("4","2","3","6","5","7","2","1") = "6"
    & skf21("4","2","3","6","5","7","3","1") = "6"
    & skf21("4","2","3","6","5","7","4","1") = "6"
    & skf21("4","2","3","6","5","7","5","1") = "6"
    & skf21("4","2","3","6","5","7","6","1") = "6"
    & skf21("4","2","3","6","5","7","7","1") = "6"
    & skf21("4","2","3","6","6","1","1","1") = "5"
    & skf21("4","2","3","6","6","1","2","1") = "5"
    & skf21("4","2","3","6","6","1","3","1") = "5"
    & skf21("4","2","3","6","6","1","4","1") = "5"
    & skf21("4","2","3","6","6","1","5","1") = "5"
    & skf21("4","2","3","6","6","1","6","1") = "5"
    & skf21("4","2","3","6","6","1","7","1") = "6"
    & skf21("4","2","3","6","6","2","1","1") = "5"
    & skf21("4","2","3","6","6","2","2","1") = "5"
    & skf21("4","2","3","6","6","2","3","1") = "5"
    & skf21("4","2","3","6","6","2","4","1") = "5"
    & skf21("4","2","3","6","6","2","5","1") = "5"
    & skf21("4","2","3","6","6","2","6","1") = "5"
    & skf21("4","2","3","6","6","2","7","1") = "6"
    & skf21("4","2","3","6","6","3","1","1") = "5"
    & skf21("4","2","3","6","6","3","2","1") = "5"
    & skf21("4","2","3","6","6","3","3","1") = "5"
    & skf21("4","2","3","6","6","3","4","1") = "5"
    & skf21("4","2","3","6","6","3","5","1") = "5"
    & skf21("4","2","3","6","6","3","6","1") = "5"
    & skf21("4","2","3","6","6","3","7","1") = "6"
    & skf21("4","2","3","6","6","4","1","1") = "5"
    & skf21("4","2","3","6","6","4","2","1") = "5"
    & skf21("4","2","3","6","6","4","3","1") = "5"
    & skf21("4","2","3","6","6","4","4","1") = "5"
    & skf21("4","2","3","6","6","4","5","1") = "5"
    & skf21("4","2","3","6","6","4","6","1") = "5"
    & skf21("4","2","3","6","6","4","7","1") = "6"
    & skf21("4","2","3","6","6","5","1","1") = "5"
    & skf21("4","2","3","6","6","5","2","1") = "5"
    & skf21("4","2","3","6","6","5","3","1") = "5"
    & skf21("4","2","3","6","6","5","4","1") = "5"
    & skf21("4","2","3","6","6","5","5","1") = "5"
    & skf21("4","2","3","6","6","5","6","1") = "5"
    & skf21("4","2","3","6","6","5","7","1") = "6"
    & skf21("4","2","3","6","6","6","1","1") = "5"
    & skf21("4","2","3","6","6","6","2","1") = "5"
    & skf21("4","2","3","6","6","6","3","1") = "5"
    & skf21("4","2","3","6","6","6","4","1") = "5"
    & skf21("4","2","3","6","6","6","5","1") = "5"
    & skf21("4","2","3","6","6","6","6","1") = "5"
    & skf21("4","2","3","6","6","6","7","1") = "6"
    & skf21("4","2","3","6","6","7","1","1") = "6"
    & skf21("4","2","3","6","6","7","2","1") = "6"
    & skf21("4","2","3","6","6","7","3","1") = "6"
    & skf21("4","2","3","6","6","7","4","1") = "6"
    & skf21("4","2","3","6","6","7","5","1") = "6"
    & skf21("4","2","3","6","6","7","6","1") = "6"
    & skf21("4","2","3","6","6","7","7","1") = "6"
    & skf21("4","2","3","6","7","1","1","1") = "6"
    & skf21("4","2","3","6","7","1","2","1") = "6"
    & skf21("4","2","3","6","7","1","3","1") = "6"
    & skf21("4","2","3","6","7","1","4","1") = "6"
    & skf21("4","2","3","6","7","1","5","1") = "6"
    & skf21("4","2","3","6","7","1","6","1") = "6"
    & skf21("4","2","3","6","7","1","7","1") = "6"
    & skf21("4","2","3","6","7","2","1","1") = "6"
    & skf21("4","2","3","6","7","2","2","1") = "6"
    & skf21("4","2","3","6","7","2","3","1") = "6"
    & skf21("4","2","3","6","7","2","4","1") = "6"
    & skf21("4","2","3","6","7","2","5","1") = "6"
    & skf21("4","2","3","6","7","2","6","1") = "6"
    & skf21("4","2","3","6","7","2","7","1") = "6"
    & skf21("4","2","3","6","7","3","1","1") = "6"
    & skf21("4","2","3","6","7","3","2","1") = "6"
    & skf21("4","2","3","6","7","3","3","1") = "6"
    & skf21("4","2","3","6","7","3","4","1") = "6"
    & skf21("4","2","3","6","7","3","5","1") = "6"
    & skf21("4","2","3","6","7","3","6","1") = "6"
    & skf21("4","2","3","6","7","3","7","1") = "6"
    & skf21("4","2","3","6","7","4","1","1") = "6"
    & skf21("4","2","3","6","7","4","2","1") = "6"
    & skf21("4","2","3","6","7","4","3","1") = "6"
    & skf21("4","2","3","6","7","4","4","1") = "6"
    & skf21("4","2","3","6","7","4","5","1") = "6"
    & skf21("4","2","3","6","7","4","6","1") = "6"
    & skf21("4","2","3","6","7","4","7","1") = "6"
    & skf21("4","2","3","6","7","5","1","1") = "6"
    & skf21("4","2","3","6","7","5","2","1") = "6"
    & skf21("4","2","3","6","7","5","3","1") = "6"
    & skf21("4","2","3","6","7","5","4","1") = "6"
    & skf21("4","2","3","6","7","5","5","1") = "6"
    & skf21("4","2","3","6","7","5","6","1") = "6"
    & skf21("4","2","3","6","7","5","7","1") = "6"
    & skf21("4","2","3","6","7","6","1","1") = "6"
    & skf21("4","2","3","6","7","6","2","1") = "6"
    & skf21("4","2","3","6","7","6","3","1") = "6"
    & skf21("4","2","3","6","7","6","4","1") = "6"
    & skf21("4","2","3","6","7","6","5","1") = "6"
    & skf21("4","2","3","6","7","6","6","1") = "6"
    & skf21("4","2","3","6","7","6","7","1") = "6"
    & skf21("4","2","3","6","7","7","1","1") = "6"
    & skf21("4","2","3","6","7","7","2","1") = "6"
    & skf21("4","2","3","6","7","7","3","1") = "6"
    & skf21("4","2","3","6","7","7","4","1") = "6"
    & skf21("4","2","3","6","7","7","5","1") = "6"
    & skf21("4","2","3","6","7","7","6","1") = "6"
    & skf21("4","2","3","6","7","7","7","1") = "6"
    & skf21("4","2","3","7","1","1","1","1") = "6"
    & skf21("4","2","3","7","1","1","2","1") = "6"
    & skf21("4","2","3","7","1","1","3","1") = "6"
    & skf21("4","2","3","7","1","1","4","1") = "6"
    & skf21("4","2","3","7","1","1","5","1") = "6"
    & skf21("4","2","3","7","1","1","6","1") = "6"
    & skf21("4","2","3","7","1","1","7","1") = "6"
    & skf21("4","2","3","7","1","2","1","1") = "6"
    & skf21("4","2","3","7","1","2","2","1") = "6"
    & skf21("4","2","3","7","1","2","3","1") = "6"
    & skf21("4","2","3","7","1","2","4","1") = "6"
    & skf21("4","2","3","7","1","2","5","1") = "6"
    & skf21("4","2","3","7","1","2","6","1") = "6"
    & skf21("4","2","3","7","1","2","7","1") = "6"
    & skf21("4","2","3","7","1","3","1","1") = "6"
    & skf21("4","2","3","7","1","3","2","1") = "6"
    & skf21("4","2","3","7","1","3","3","1") = "6"
    & skf21("4","2","3","7","1","3","4","1") = "6"
    & skf21("4","2","3","7","1","3","5","1") = "6"
    & skf21("4","2","3","7","1","3","6","1") = "6"
    & skf21("4","2","3","7","1","3","7","1") = "6"
    & skf21("4","2","3","7","1","4","1","1") = "6"
    & skf21("4","2","3","7","1","4","2","1") = "6"
    & skf21("4","2","3","7","1","4","3","1") = "6"
    & skf21("4","2","3","7","1","4","4","1") = "6"
    & skf21("4","2","3","7","1","4","5","1") = "6"
    & skf21("4","2","3","7","1","4","6","1") = "6"
    & skf21("4","2","3","7","1","4","7","1") = "6"
    & skf21("4","2","3","7","1","5","1","1") = "6"
    & skf21("4","2","3","7","1","5","2","1") = "6"
    & skf21("4","2","3","7","1","5","3","1") = "6"
    & skf21("4","2","3","7","1","5","4","1") = "6"
    & skf21("4","2","3","7","1","5","5","1") = "6"
    & skf21("4","2","3","7","1","5","6","1") = "6"
    & skf21("4","2","3","7","1","5","7","1") = "6"
    & skf21("4","2","3","7","1","6","1","1") = "6"
    & skf21("4","2","3","7","1","6","2","1") = "6"
    & skf21("4","2","3","7","1","6","3","1") = "6"
    & skf21("4","2","3","7","1","6","4","1") = "6"
    & skf21("4","2","3","7","1","6","5","1") = "6"
    & skf21("4","2","3","7","1","6","6","1") = "6"
    & skf21("4","2","3","7","1","6","7","1") = "6"
    & skf21("4","2","3","7","1","7","1","1") = "6"
    & skf21("4","2","3","7","1","7","2","1") = "6"
    & skf21("4","2","3","7","1","7","3","1") = "6"
    & skf21("4","2","3","7","1","7","4","1") = "6"
    & skf21("4","2","3","7","1","7","5","1") = "6"
    & skf21("4","2","3","7","1","7","6","1") = "6"
    & skf21("4","2","3","7","1","7","7","1") = "6"
    & skf21("4","2","3","7","2","1","1","1") = "6"
    & skf21("4","2","3","7","2","1","2","1") = "6"
    & skf21("4","2","3","7","2","1","3","1") = "6"
    & skf21("4","2","3","7","2","1","4","1") = "6"
    & skf21("4","2","3","7","2","1","5","1") = "6"
    & skf21("4","2","3","7","2","1","6","1") = "6"
    & skf21("4","2","3","7","2","1","7","1") = "6"
    & skf21("4","2","3","7","2","2","1","1") = "6"
    & skf21("4","2","3","7","2","2","2","1") = "6"
    & skf21("4","2","3","7","2","2","3","1") = "6"
    & skf21("4","2","3","7","2","2","4","1") = "6"
    & skf21("4","2","3","7","2","2","5","1") = "6"
    & skf21("4","2","3","7","2","2","6","1") = "6"
    & skf21("4","2","3","7","2","2","7","1") = "6"
    & skf21("4","2","3","7","2","3","1","1") = "6"
    & skf21("4","2","3","7","2","3","2","1") = "6"
    & skf21("4","2","3","7","2","3","3","1") = "6"
    & skf21("4","2","3","7","2","3","4","1") = "6"
    & skf21("4","2","3","7","2","3","5","1") = "6"
    & skf21("4","2","3","7","2","3","6","1") = "6"
    & skf21("4","2","3","7","2","3","7","1") = "6"
    & skf21("4","2","3","7","2","4","1","1") = "6"
    & skf21("4","2","3","7","2","4","2","1") = "6"
    & skf21("4","2","3","7","2","4","3","1") = "6"
    & skf21("4","2","3","7","2","4","4","1") = "6"
    & skf21("4","2","3","7","2","4","5","1") = "6"
    & skf21("4","2","3","7","2","4","6","1") = "6"
    & skf21("4","2","3","7","2","4","7","1") = "6"
    & skf21("4","2","3","7","2","5","1","1") = "6"
    & skf21("4","2","3","7","2","5","2","1") = "6"
    & skf21("4","2","3","7","2","5","3","1") = "6"
    & skf21("4","2","3","7","2","5","4","1") = "6"
    & skf21("4","2","3","7","2","5","5","1") = "6"
    & skf21("4","2","3","7","2","5","6","1") = "6"
    & skf21("4","2","3","7","2","5","7","1") = "6"
    & skf21("4","2","3","7","2","6","1","1") = "6"
    & skf21("4","2","3","7","2","6","2","1") = "6"
    & skf21("4","2","3","7","2","6","3","1") = "6"
    & skf21("4","2","3","7","2","6","4","1") = "6"
    & skf21("4","2","3","7","2","6","5","1") = "6"
    & skf21("4","2","3","7","2","6","6","1") = "6"
    & skf21("4","2","3","7","2","6","7","1") = "6"
    & skf21("4","2","3","7","2","7","1","1") = "6"
    & skf21("4","2","3","7","2","7","2","1") = "6"
    & skf21("4","2","3","7","2","7","3","1") = "6"
    & skf21("4","2","3","7","2","7","4","1") = "6"
    & skf21("4","2","3","7","2","7","5","1") = "6"
    & skf21("4","2","3","7","2","7","6","1") = "6"
    & skf21("4","2","3","7","2","7","7","1") = "6"
    & skf21("4","2","3","7","3","1","1","1") = "6"
    & skf21("4","2","3","7","3","1","2","1") = "6"
    & skf21("4","2","3","7","3","1","3","1") = "6"
    & skf21("4","2","3","7","3","1","4","1") = "6"
    & skf21("4","2","3","7","3","1","5","1") = "6"
    & skf21("4","2","3","7","3","1","6","1") = "6"
    & skf21("4","2","3","7","3","1","7","1") = "6"
    & skf21("4","2","3","7","3","2","1","1") = "6"
    & skf21("4","2","3","7","3","2","2","1") = "6"
    & skf21("4","2","3","7","3","2","3","1") = "6"
    & skf21("4","2","3","7","3","2","4","1") = "6"
    & skf21("4","2","3","7","3","2","5","1") = "6"
    & skf21("4","2","3","7","3","2","6","1") = "6"
    & skf21("4","2","3","7","3","2","7","1") = "6"
    & skf21("4","2","3","7","3","3","1","1") = "6"
    & skf21("4","2","3","7","3","3","2","1") = "6"
    & skf21("4","2","3","7","3","3","3","1") = "6"
    & skf21("4","2","3","7","3","3","4","1") = "6"
    & skf21("4","2","3","7","3","3","5","1") = "6"
    & skf21("4","2","3","7","3","3","6","1") = "6"
    & skf21("4","2","3","7","3","3","7","1") = "6"
    & skf21("4","2","3","7","3","4","1","1") = "6"
    & skf21("4","2","3","7","3","4","2","1") = "6"
    & skf21("4","2","3","7","3","4","3","1") = "6"
    & skf21("4","2","3","7","3","4","4","1") = "6"
    & skf21("4","2","3","7","3","4","5","1") = "6"
    & skf21("4","2","3","7","3","4","6","1") = "6"
    & skf21("4","2","3","7","3","4","7","1") = "6"
    & skf21("4","2","3","7","3","5","1","1") = "6"
    & skf21("4","2","3","7","3","5","2","1") = "6"
    & skf21("4","2","3","7","3","5","3","1") = "6"
    & skf21("4","2","3","7","3","5","4","1") = "6"
    & skf21("4","2","3","7","3","5","5","1") = "6"
    & skf21("4","2","3","7","3","5","6","1") = "6"
    & skf21("4","2","3","7","3","5","7","1") = "6"
    & skf21("4","2","3","7","3","6","1","1") = "6"
    & skf21("4","2","3","7","3","6","2","1") = "6"
    & skf21("4","2","3","7","3","6","3","1") = "6"
    & skf21("4","2","3","7","3","6","4","1") = "6"
    & skf21("4","2","3","7","3","6","5","1") = "6"
    & skf21("4","2","3","7","3","6","6","1") = "6"
    & skf21("4","2","3","7","3","6","7","1") = "6"
    & skf21("4","2","3","7","3","7","1","1") = "6"
    & skf21("4","2","3","7","3","7","2","1") = "6"
    & skf21("4","2","3","7","3","7","3","1") = "6"
    & skf21("4","2","3","7","3","7","4","1") = "6"
    & skf21("4","2","3","7","3","7","5","1") = "6"
    & skf21("4","2","3","7","3","7","6","1") = "6"
    & skf21("4","2","3","7","3","7","7","1") = "6"
    & skf21("4","2","3","7","4","1","1","1") = "6"
    & skf21("4","2","3","7","4","1","2","1") = "6"
    & skf21("4","2","3","7","4","1","3","1") = "6"
    & skf21("4","2","3","7","4","1","4","1") = "6"
    & skf21("4","2","3","7","4","1","5","1") = "6"
    & skf21("4","2","3","7","4","1","6","1") = "6"
    & skf21("4","2","3","7","4","1","7","1") = "6"
    & skf21("4","2","3","7","4","2","1","1") = "6"
    & skf21("4","2","3","7","4","2","2","1") = "6"
    & skf21("4","2","3","7","4","2","3","1") = "6"
    & skf21("4","2","3","7","4","2","4","1") = "6"
    & skf21("4","2","3","7","4","2","5","1") = "6"
    & skf21("4","2","3","7","4","2","6","1") = "6"
    & skf21("4","2","3","7","4","2","7","1") = "6"
    & skf21("4","2","3","7","4","3","1","1") = "6"
    & skf21("4","2","3","7","4","3","2","1") = "6"
    & skf21("4","2","3","7","4","3","3","1") = "6"
    & skf21("4","2","3","7","4","3","4","1") = "6"
    & skf21("4","2","3","7","4","3","5","1") = "6"
    & skf21("4","2","3","7","4","3","6","1") = "6"
    & skf21("4","2","3","7","4","3","7","1") = "6"
    & skf21("4","2","3","7","4","4","1","1") = "6"
    & skf21("4","2","3","7","4","4","2","1") = "6"
    & skf21("4","2","3","7","4","4","3","1") = "6"
    & skf21("4","2","3","7","4","4","4","1") = "6"
    & skf21("4","2","3","7","4","4","5","1") = "6"
    & skf21("4","2","3","7","4","4","6","1") = "6"
    & skf21("4","2","3","7","4","4","7","1") = "6"
    & skf21("4","2","3","7","4","5","1","1") = "6"
    & skf21("4","2","3","7","4","5","2","1") = "6"
    & skf21("4","2","3","7","4","5","3","1") = "6"
    & skf21("4","2","3","7","4","5","4","1") = "6"
    & skf21("4","2","3","7","4","5","5","1") = "6"
    & skf21("4","2","3","7","4","5","6","1") = "6"
    & skf21("4","2","3","7","4","5","7","1") = "6"
    & skf21("4","2","3","7","4","6","1","1") = "6"
    & skf21("4","2","3","7","4","6","2","1") = "6"
    & skf21("4","2","3","7","4","6","3","1") = "6"
    & skf21("4","2","3","7","4","6","4","1") = "6"
    & skf21("4","2","3","7","4","6","5","1") = "6"
    & skf21("4","2","3","7","4","6","6","1") = "6"
    & skf21("4","2","3","7","4","6","7","1") = "6"
    & skf21("4","2","3","7","4","7","1","1") = "6"
    & skf21("4","2","3","7","4","7","2","1") = "6"
    & skf21("4","2","3","7","4","7","3","1") = "6"
    & skf21("4","2","3","7","4","7","4","1") = "6"
    & skf21("4","2","3","7","4","7","5","1") = "6"
    & skf21("4","2","3","7","4","7","6","1") = "6"
    & skf21("4","2","3","7","4","7","7","1") = "6"
    & skf21("4","2","3","7","5","1","1","1") = "6"
    & skf21("4","2","3","7","5","1","2","1") = "6"
    & skf21("4","2","3","7","5","1","3","1") = "6"
    & skf21("4","2","3","7","5","1","4","1") = "6"
    & skf21("4","2","3","7","5","1","5","1") = "6"
    & skf21("4","2","3","7","5","1","6","1") = "6"
    & skf21("4","2","3","7","5","1","7","1") = "6"
    & skf21("4","2","3","7","5","2","1","1") = "6"
    & skf21("4","2","3","7","5","2","2","1") = "6"
    & skf21("4","2","3","7","5","2","3","1") = "6"
    & skf21("4","2","3","7","5","2","4","1") = "6"
    & skf21("4","2","3","7","5","2","5","1") = "6"
    & skf21("4","2","3","7","5","2","6","1") = "6"
    & skf21("4","2","3","7","5","2","7","1") = "6"
    & skf21("4","2","3","7","5","3","1","1") = "6"
    & skf21("4","2","3","7","5","3","2","1") = "6"
    & skf21("4","2","3","7","5","3","3","1") = "6"
    & skf21("4","2","3","7","5","3","4","1") = "6"
    & skf21("4","2","3","7","5","3","5","1") = "6"
    & skf21("4","2","3","7","5","3","6","1") = "6"
    & skf21("4","2","3","7","5","3","7","1") = "6"
    & skf21("4","2","3","7","5","4","1","1") = "6"
    & skf21("4","2","3","7","5","4","2","1") = "6"
    & skf21("4","2","3","7","5","4","3","1") = "6"
    & skf21("4","2","3","7","5","4","4","1") = "6"
    & skf21("4","2","3","7","5","4","5","1") = "6"
    & skf21("4","2","3","7","5","4","6","1") = "6"
    & skf21("4","2","3","7","5","4","7","1") = "6"
    & skf21("4","2","3","7","5","5","1","1") = "6"
    & skf21("4","2","3","7","5","5","2","1") = "6"
    & skf21("4","2","3","7","5","5","3","1") = "6"
    & skf21("4","2","3","7","5","5","4","1") = "6"
    & skf21("4","2","3","7","5","5","5","1") = "6"
    & skf21("4","2","3","7","5","5","6","1") = "6"
    & skf21("4","2","3","7","5","5","7","1") = "6"
    & skf21("4","2","3","7","5","6","1","1") = "6"
    & skf21("4","2","3","7","5","6","2","1") = "6"
    & skf21("4","2","3","7","5","6","3","1") = "6"
    & skf21("4","2","3","7","5","6","4","1") = "6"
    & skf21("4","2","3","7","5","6","5","1") = "6"
    & skf21("4","2","3","7","5","6","6","1") = "6"
    & skf21("4","2","3","7","5","6","7","1") = "6"
    & skf21("4","2","3","7","5","7","1","1") = "6"
    & skf21("4","2","3","7","5","7","2","1") = "6"
    & skf21("4","2","3","7","5","7","3","1") = "6"
    & skf21("4","2","3","7","5","7","4","1") = "6"
    & skf21("4","2","3","7","5","7","5","1") = "6"
    & skf21("4","2","3","7","5","7","6","1") = "6"
    & skf21("4","2","3","7","5","7","7","1") = "6"
    & skf21("4","2","3","7","6","1","1","1") = "6"
    & skf21("4","2","3","7","6","1","2","1") = "6"
    & skf21("4","2","3","7","6","1","3","1") = "6"
    & skf21("4","2","3","7","6","1","4","1") = "6"
    & skf21("4","2","3","7","6","1","5","1") = "6"
    & skf21("4","2","3","7","6","1","6","1") = "6"
    & skf21("4","2","3","7","6","1","7","1") = "6"
    & skf21("4","2","3","7","6","2","1","1") = "6"
    & skf21("4","2","3","7","6","2","2","1") = "6"
    & skf21("4","2","3","7","6","2","3","1") = "6"
    & skf21("4","2","3","7","6","2","4","1") = "6"
    & skf21("4","2","3","7","6","2","5","1") = "6"
    & skf21("4","2","3","7","6","2","6","1") = "6"
    & skf21("4","2","3","7","6","2","7","1") = "6"
    & skf21("4","2","3","7","6","3","1","1") = "6"
    & skf21("4","2","3","7","6","3","2","1") = "6"
    & skf21("4","2","3","7","6","3","3","1") = "6"
    & skf21("4","2","3","7","6","3","4","1") = "6"
    & skf21("4","2","3","7","6","3","5","1") = "6"
    & skf21("4","2","3","7","6","3","6","1") = "6"
    & skf21("4","2","3","7","6","3","7","1") = "6"
    & skf21("4","2","3","7","6","4","1","1") = "6"
    & skf21("4","2","3","7","6","4","2","1") = "6"
    & skf21("4","2","3","7","6","4","3","1") = "6"
    & skf21("4","2","3","7","6","4","4","1") = "6"
    & skf21("4","2","3","7","6","4","5","1") = "6"
    & skf21("4","2","3","7","6","4","6","1") = "6"
    & skf21("4","2","3","7","6","4","7","1") = "6"
    & skf21("4","2","3","7","6","5","1","1") = "6"
    & skf21("4","2","3","7","6","5","2","1") = "6"
    & skf21("4","2","3","7","6","5","3","1") = "6"
    & skf21("4","2","3","7","6","5","4","1") = "6"
    & skf21("4","2","3","7","6","5","5","1") = "6"
    & skf21("4","2","3","7","6","5","6","1") = "6"
    & skf21("4","2","3","7","6","5","7","1") = "6"
    & skf21("4","2","3","7","6","6","1","1") = "6"
    & skf21("4","2","3","7","6","6","2","1") = "6"
    & skf21("4","2","3","7","6","6","3","1") = "6"
    & skf21("4","2","3","7","6","6","4","1") = "6"
    & skf21("4","2","3","7","6","6","5","1") = "6"
    & skf21("4","2","3","7","6","6","6","1") = "6"
    & skf21("4","2","3","7","6","6","7","1") = "6"
    & skf21("4","2","3","7","6","7","1","1") = "6"
    & skf21("4","2","3","7","6","7","2","1") = "6"
    & skf21("4","2","3","7","6","7","3","1") = "6"
    & skf21("4","2","3","7","6","7","4","1") = "6"
    & skf21("4","2","3","7","6","7","5","1") = "6"
    & skf21("4","2","3","7","6","7","6","1") = "6"
    & skf21("4","2","3","7","6","7","7","1") = "6"
    & skf21("4","2","3","7","7","1","1","1") = "6"
    & skf21("4","2","3","7","7","1","2","1") = "6"
    & skf21("4","2","3","7","7","1","3","1") = "6"
    & skf21("4","2","3","7","7","1","4","1") = "6"
    & skf21("4","2","3","7","7","1","5","1") = "6"
    & skf21("4","2","3","7","7","1","6","1") = "6"
    & skf21("4","2","3","7","7","1","7","1") = "6"
    & skf21("4","2","3","7","7","2","1","1") = "6"
    & skf21("4","2","3","7","7","2","2","1") = "6"
    & skf21("4","2","3","7","7","2","3","1") = "6"
    & skf21("4","2","3","7","7","2","4","1") = "6"
    & skf21("4","2","3","7","7","2","5","1") = "6"
    & skf21("4","2","3","7","7","2","6","1") = "6"
    & skf21("4","2","3","7","7","2","7","1") = "6"
    & skf21("4","2","3","7","7","3","1","1") = "6"
    & skf21("4","2","3","7","7","3","2","1") = "6"
    & skf21("4","2","3","7","7","3","3","1") = "6"
    & skf21("4","2","3","7","7","3","4","1") = "6"
    & skf21("4","2","3","7","7","3","5","1") = "6"
    & skf21("4","2","3","7","7","3","6","1") = "6"
    & skf21("4","2","3","7","7","3","7","1") = "6"
    & skf21("4","2","3","7","7","4","1","1") = "6"
    & skf21("4","2","3","7","7","4","2","1") = "6"
    & skf21("4","2","3","7","7","4","3","1") = "6"
    & skf21("4","2","3","7","7","4","4","1") = "6"
    & skf21("4","2","3","7","7","4","5","1") = "6"
    & skf21("4","2","3","7","7","4","6","1") = "6"
    & skf21("4","2","3","7","7","4","7","1") = "6"
    & skf21("4","2","3","7","7","5","1","1") = "6"
    & skf21("4","2","3","7","7","5","2","1") = "6"
    & skf21("4","2","3","7","7","5","3","1") = "6"
    & skf21("4","2","3","7","7","5","4","1") = "6"
    & skf21("4","2","3","7","7","5","5","1") = "6"
    & skf21("4","2","3","7","7","5","6","1") = "6"
    & skf21("4","2","3","7","7","5","7","1") = "6"
    & skf21("4","2","3","7","7","6","1","1") = "6"
    & skf21("4","2","3","7","7","6","2","1") = "6"
    & skf21("4","2","3","7","7","6","3","1") = "6"
    & skf21("4","2","3","7","7","6","4","1") = "6"
    & skf21("4","2","3","7","7","6","5","1") = "6"
    & skf21("4","2","3","7","7","6","6","1") = "6"
    & skf21("4","2","3","7","7","6","7","1") = "6"
    & skf21("4","2","3","7","7","7","1","1") = "6"
    & skf21("4","2","3","7","7","7","2","1") = "6"
    & skf21("4","2","3","7","7","7","3","1") = "6"
    & skf21("4","2","3","7","7","7","4","1") = "6"
    & skf21("4","2","3","7","7","7","5","1") = "6"
    & skf21("4","2","3","7","7","7","6","1") = "6"
    & skf21("4","2","3","7","7","7","7","1") = "6"
    & skf21("4","2","4","1","1","1","1","1") = "3"
    & skf21("4","2","4","1","1","1","2","1") = "3"
    & skf21("4","2","4","1","1","1","3","1") = "3"
    & skf21("4","2","4","1","1","1","4","1") = "3"
    & skf21("4","2","4","1","1","1","5","1") = "4"
    & skf21("4","2","4","1","1","1","6","1") = "5"
    & skf21("4","2","4","1","1","1","7","1") = "6"
    & skf21("4","2","4","1","1","2","1","1") = "3"
    & skf21("4","2","4","1","1","2","2","1") = "3"
    & skf21("4","2","4","1","1","2","3","1") = "3"
    & skf21("4","2","4","1","1","2","4","1") = "3"
    & skf21("4","2","4","1","1","2","5","1") = "4"
    & skf21("4","2","4","1","1","2","6","1") = "5"
    & skf21("4","2","4","1","1","2","7","1") = "6"
    & skf21("4","2","4","1","1","3","1","1") = "3"
    & skf21("4","2","4","1","1","3","2","1") = "3"
    & skf21("4","2","4","1","1","3","3","1") = "3"
    & skf21("4","2","4","1","1","3","4","1") = "3"
    & skf21("4","2","4","1","1","3","5","1") = "4"
    & skf21("4","2","4","1","1","3","6","1") = "5"
    & skf21("4","2","4","1","1","3","7","1") = "6"
    & skf21("4","2","4","1","1","4","1","1") = "3"
    & skf21("4","2","4","1","1","4","2","1") = "3"
    & skf21("4","2","4","1","1","4","3","1") = "3"
    & skf21("4","2","4","1","1","4","4","1") = "3"
    & skf21("4","2","4","1","1","4","5","1") = "4"
    & skf21("4","2","4","1","1","4","6","1") = "5"
    & skf21("4","2","4","1","1","4","7","1") = "6"
    & skf21("4","2","4","1","1","5","1","1") = "4"
    & skf21("4","2","4","1","1","5","2","1") = "4"
    & skf21("4","2","4","1","1","5","3","1") = "4"
    & skf21("4","2","4","1","1","5","4","1") = "4"
    & skf21("4","2","4","1","1","5","5","1") = "4"
    & skf21("4","2","4","1","1","5","6","1") = "5"
    & skf21("4","2","4","1","1","5","7","1") = "6"
    & skf21("4","2","4","1","1","6","1","1") = "5"
    & skf21("4","2","4","1","1","6","2","1") = "5"
    & skf21("4","2","4","1","1","6","3","1") = "5"
    & skf21("4","2","4","1","1","6","4","1") = "5"
    & skf21("4","2","4","1","1","6","5","1") = "5"
    & skf21("4","2","4","1","1","6","6","1") = "5"
    & skf21("4","2","4","1","1","6","7","1") = "6"
    & skf21("4","2","4","1","1","7","1","1") = "6"
    & skf21("4","2","4","1","1","7","2","1") = "6"
    & skf21("4","2","4","1","1","7","3","1") = "6"
    & skf21("4","2","4","1","1","7","4","1") = "6"
    & skf21("4","2","4","1","1","7","5","1") = "6"
    & skf21("4","2","4","1","1","7","6","1") = "6"
    & skf21("4","2","4","1","1","7","7","1") = "6"
    & skf21("4","2","4","1","2","1","1","1") = "3"
    & skf21("4","2","4","1","2","1","2","1") = "3"
    & skf21("4","2","4","1","2","1","3","1") = "3"
    & skf21("4","2","4","1","2","1","4","1") = "3"
    & skf21("4","2","4","1","2","1","5","1") = "4"
    & skf21("4","2","4","1","2","1","6","1") = "5"
    & skf21("4","2","4","1","2","1","7","1") = "6"
    & skf21("4","2","4","1","2","2","1","1") = "3"
    & skf21("4","2","4","1","2","2","2","1") = "3"
    & skf21("4","2","4","1","2","2","3","1") = "3"
    & skf21("4","2","4","1","2","2","4","1") = "3"
    & skf21("4","2","4","1","2","2","5","1") = "4"
    & skf21("4","2","4","1","2","2","6","1") = "5"
    & skf21("4","2","4","1","2","2","7","1") = "6"
    & skf21("4","2","4","1","2","3","1","1") = "3"
    & skf21("4","2","4","1","2","3","2","1") = "3"
    & skf21("4","2","4","1","2","3","3","1") = "3"
    & skf21("4","2","4","1","2","3","4","1") = "3"
    & skf21("4","2","4","1","2","3","5","1") = "4"
    & skf21("4","2","4","1","2","3","6","1") = "5"
    & skf21("4","2","4","1","2","3","7","1") = "6"
    & skf21("4","2","4","1","2","4","1","1") = "3"
    & skf21("4","2","4","1","2","4","2","1") = "3"
    & skf21("4","2","4","1","2","4","3","1") = "3"
    & skf21("4","2","4","1","2","4","4","1") = "3"
    & skf21("4","2","4","1","2","4","5","1") = "4"
    & skf21("4","2","4","1","2","4","6","1") = "5"
    & skf21("4","2","4","1","2","4","7","1") = "6"
    & skf21("4","2","4","1","2","5","1","1") = "4"
    & skf21("4","2","4","1","2","5","2","1") = "4"
    & skf21("4","2","4","1","2","5","3","1") = "4"
    & skf21("4","2","4","1","2","5","4","1") = "4"
    & skf21("4","2","4","1","2","5","5","1") = "4"
    & skf21("4","2","4","1","2","5","6","1") = "5"
    & skf21("4","2","4","1","2","5","7","1") = "6"
    & skf21("4","2","4","1","2","6","1","1") = "5"
    & skf21("4","2","4","1","2","6","2","1") = "5"
    & skf21("4","2","4","1","2","6","3","1") = "5"
    & skf21("4","2","4","1","2","6","4","1") = "5"
    & skf21("4","2","4","1","2","6","5","1") = "5"
    & skf21("4","2","4","1","2","6","6","1") = "5"
    & skf21("4","2","4","1","2","6","7","1") = "6"
    & skf21("4","2","4","1","2","7","1","1") = "6"
    & skf21("4","2","4","1","2","7","2","1") = "6"
    & skf21("4","2","4","1","2","7","3","1") = "6"
    & skf21("4","2","4","1","2","7","4","1") = "6"
    & skf21("4","2","4","1","2","7","5","1") = "6"
    & skf21("4","2","4","1","2","7","6","1") = "6"
    & skf21("4","2","4","1","2","7","7","1") = "6"
    & skf21("4","2","4","1","3","1","1","1") = "3"
    & skf21("4","2","4","1","3","1","2","1") = "3"
    & skf21("4","2","4","1","3","1","3","1") = "3"
    & skf21("4","2","4","1","3","1","4","1") = "3"
    & skf21("4","2","4","1","3","1","5","1") = "4"
    & skf21("4","2","4","1","3","1","6","1") = "5"
    & skf21("4","2","4","1","3","1","7","1") = "6"
    & skf21("4","2","4","1","3","2","1","1") = "3"
    & skf21("4","2","4","1","3","2","2","1") = "3"
    & skf21("4","2","4","1","3","2","3","1") = "3"
    & skf21("4","2","4","1","3","2","4","1") = "3"
    & skf21("4","2","4","1","3","2","5","1") = "4"
    & skf21("4","2","4","1","3","2","6","1") = "5"
    & skf21("4","2","4","1","3","2","7","1") = "6"
    & skf21("4","2","4","1","3","3","1","1") = "3"
    & skf21("4","2","4","1","3","3","2","1") = "3"
    & skf21("4","2","4","1","3","3","3","1") = "3"
    & skf21("4","2","4","1","3","3","4","1") = "3"
    & skf21("4","2","4","1","3","3","5","1") = "4"
    & skf21("4","2","4","1","3","3","6","1") = "5"
    & skf21("4","2","4","1","3","3","7","1") = "6"
    & skf21("4","2","4","1","3","4","1","1") = "3"
    & skf21("4","2","4","1","3","4","2","1") = "3"
    & skf21("4","2","4","1","3","4","3","1") = "3"
    & skf21("4","2","4","1","3","4","4","1") = "3"
    & skf21("4","2","4","1","3","4","5","1") = "4"
    & skf21("4","2","4","1","3","4","6","1") = "5"
    & skf21("4","2","4","1","3","4","7","1") = "6"
    & skf21("4","2","4","1","3","5","1","1") = "4"
    & skf21("4","2","4","1","3","5","2","1") = "4"
    & skf21("4","2","4","1","3","5","3","1") = "4"
    & skf21("4","2","4","1","3","5","4","1") = "4"
    & skf21("4","2","4","1","3","5","5","1") = "4"
    & skf21("4","2","4","1","3","5","6","1") = "5"
    & skf21("4","2","4","1","3","5","7","1") = "6"
    & skf21("4","2","4","1","3","6","1","1") = "5"
    & skf21("4","2","4","1","3","6","2","1") = "5"
    & skf21("4","2","4","1","3","6","3","1") = "5"
    & skf21("4","2","4","1","3","6","4","1") = "5"
    & skf21("4","2","4","1","3","6","5","1") = "5"
    & skf21("4","2","4","1","3","6","6","1") = "5"
    & skf21("4","2","4","1","3","6","7","1") = "6"
    & skf21("4","2","4","1","3","7","1","1") = "6"
    & skf21("4","2","4","1","3","7","2","1") = "6"
    & skf21("4","2","4","1","3","7","3","1") = "6"
    & skf21("4","2","4","1","3","7","4","1") = "6"
    & skf21("4","2","4","1","3","7","5","1") = "6"
    & skf21("4","2","4","1","3","7","6","1") = "6"
    & skf21("4","2","4","1","3","7","7","1") = "6"
    & skf21("4","2","4","1","4","1","1","1") = "3"
    & skf21("4","2","4","1","4","1","2","1") = "3"
    & skf21("4","2","4","1","4","1","3","1") = "3"
    & skf21("4","2","4","1","4","1","4","1") = "3"
    & skf21("4","2","4","1","4","1","5","1") = "4"
    & skf21("4","2","4","1","4","1","6","1") = "5"
    & skf21("4","2","4","1","4","1","7","1") = "6"
    & skf21("4","2","4","1","4","2","1","1") = "3"
    & skf21("4","2","4","1","4","2","2","1") = "3"
    & skf21("4","2","4","1","4","2","3","1") = "3"
    & skf21("4","2","4","1","4","2","4","1") = "3"
    & skf21("4","2","4","1","4","2","5","1") = "4"
    & skf21("4","2","4","1","4","2","6","1") = "5"
    & skf21("4","2","4","1","4","2","7","1") = "6"
    & skf21("4","2","4","1","4","3","1","1") = "3"
    & skf21("4","2","4","1","4","3","2","1") = "3"
    & skf21("4","2","4","1","4","3","3","1") = "3"
    & skf21("4","2","4","1","4","3","4","1") = "3"
    & skf21("4","2","4","1","4","3","5","1") = "4"
    & skf21("4","2","4","1","4","3","6","1") = "5"
    & skf21("4","2","4","1","4","3","7","1") = "6"
    & skf21("4","2","4","1","4","4","1","1") = "3"
    & skf21("4","2","4","1","4","4","2","1") = "3"
    & skf21("4","2","4","1","4","4","3","1") = "3"
    & skf21("4","2","4","1","4","4","4","1") = "3"
    & skf21("4","2","4","1","4","4","5","1") = "4"
    & skf21("4","2","4","1","4","4","6","1") = "5"
    & skf21("4","2","4","1","4","4","7","1") = "6"
    & skf21("4","2","4","1","4","5","1","1") = "4"
    & skf21("4","2","4","1","4","5","2","1") = "4"
    & skf21("4","2","4","1","4","5","3","1") = "4"
    & skf21("4","2","4","1","4","5","4","1") = "4"
    & skf21("4","2","4","1","4","5","5","1") = "4"
    & skf21("4","2","4","1","4","5","6","1") = "5"
    & skf21("4","2","4","1","4","5","7","1") = "6"
    & skf21("4","2","4","1","4","6","1","1") = "5"
    & skf21("4","2","4","1","4","6","2","1") = "5"
    & skf21("4","2","4","1","4","6","3","1") = "5"
    & skf21("4","2","4","1","4","6","4","1") = "5"
    & skf21("4","2","4","1","4","6","5","1") = "5"
    & skf21("4","2","4","1","4","6","6","1") = "5"
    & skf21("4","2","4","1","4","6","7","1") = "6"
    & skf21("4","2","4","1","4","7","1","1") = "6"
    & skf21("4","2","4","1","4","7","2","1") = "6"
    & skf21("4","2","4","1","4","7","3","1") = "6"
    & skf21("4","2","4","1","4","7","4","1") = "6"
    & skf21("4","2","4","1","4","7","5","1") = "6"
    & skf21("4","2","4","1","4","7","6","1") = "6"
    & skf21("4","2","4","1","4","7","7","1") = "6"
    & skf21("4","2","4","1","5","1","1","1") = "4"
    & skf21("4","2","4","1","5","1","2","1") = "4"
    & skf21("4","2","4","1","5","1","3","1") = "4"
    & skf21("4","2","4","1","5","1","4","1") = "4"
    & skf21("4","2","4","1","5","1","5","1") = "4"
    & skf21("4","2","4","1","5","1","6","1") = "5"
    & skf21("4","2","4","1","5","1","7","1") = "6"
    & skf21("4","2","4","1","5","2","1","1") = "4"
    & skf21("4","2","4","1","5","2","2","1") = "4"
    & skf21("4","2","4","1","5","2","3","1") = "4"
    & skf21("4","2","4","1","5","2","4","1") = "4"
    & skf21("4","2","4","1","5","2","5","1") = "4"
    & skf21("4","2","4","1","5","2","6","1") = "5"
    & skf21("4","2","4","1","5","2","7","1") = "6"
    & skf21("4","2","4","1","5","3","1","1") = "4"
    & skf21("4","2","4","1","5","3","2","1") = "4"
    & skf21("4","2","4","1","5","3","3","1") = "4"
    & skf21("4","2","4","1","5","3","4","1") = "4"
    & skf21("4","2","4","1","5","3","5","1") = "4"
    & skf21("4","2","4","1","5","3","6","1") = "5"
    & skf21("4","2","4","1","5","3","7","1") = "6"
    & skf21("4","2","4","1","5","4","1","1") = "4"
    & skf21("4","2","4","1","5","4","2","1") = "4"
    & skf21("4","2","4","1","5","4","3","1") = "4"
    & skf21("4","2","4","1","5","4","4","1") = "4"
    & skf21("4","2","4","1","5","4","5","1") = "4"
    & skf21("4","2","4","1","5","4","6","1") = "5"
    & skf21("4","2","4","1","5","4","7","1") = "6"
    & skf21("4","2","4","1","5","5","1","1") = "4"
    & skf21("4","2","4","1","5","5","2","1") = "4"
    & skf21("4","2","4","1","5","5","3","1") = "4"
    & skf21("4","2","4","1","5","5","4","1") = "4"
    & skf21("4","2","4","1","5","5","5","1") = "4"
    & skf21("4","2","4","1","5","5","6","1") = "5"
    & skf21("4","2","4","1","5","5","7","1") = "6"
    & skf21("4","2","4","1","5","6","1","1") = "5"
    & skf21("4","2","4","1","5","6","2","1") = "5"
    & skf21("4","2","4","1","5","6","3","1") = "5"
    & skf21("4","2","4","1","5","6","4","1") = "5"
    & skf21("4","2","4","1","5","6","5","1") = "5"
    & skf21("4","2","4","1","5","6","6","1") = "5"
    & skf21("4","2","4","1","5","6","7","1") = "6"
    & skf21("4","2","4","1","5","7","1","1") = "6"
    & skf21("4","2","4","1","5","7","2","1") = "6"
    & skf21("4","2","4","1","5","7","3","1") = "6"
    & skf21("4","2","4","1","5","7","4","1") = "6"
    & skf21("4","2","4","1","5","7","5","1") = "6"
    & skf21("4","2","4","1","5","7","6","1") = "6"
    & skf21("4","2","4","1","5","7","7","1") = "6"
    & skf21("4","2","4","1","6","1","1","1") = "5"
    & skf21("4","2","4","1","6","1","2","1") = "5"
    & skf21("4","2","4","1","6","1","3","1") = "5"
    & skf21("4","2","4","1","6","1","4","1") = "5"
    & skf21("4","2","4","1","6","1","5","1") = "5"
    & skf21("4","2","4","1","6","1","6","1") = "5"
    & skf21("4","2","4","1","6","1","7","1") = "6"
    & skf21("4","2","4","1","6","2","1","1") = "5"
    & skf21("4","2","4","1","6","2","2","1") = "5"
    & skf21("4","2","4","1","6","2","3","1") = "5"
    & skf21("4","2","4","1","6","2","4","1") = "5"
    & skf21("4","2","4","1","6","2","5","1") = "5"
    & skf21("4","2","4","1","6","2","6","1") = "5"
    & skf21("4","2","4","1","6","2","7","1") = "6"
    & skf21("4","2","4","1","6","3","1","1") = "5"
    & skf21("4","2","4","1","6","3","2","1") = "5"
    & skf21("4","2","4","1","6","3","3","1") = "5"
    & skf21("4","2","4","1","6","3","4","1") = "5"
    & skf21("4","2","4","1","6","3","5","1") = "5"
    & skf21("4","2","4","1","6","3","6","1") = "5"
    & skf21("4","2","4","1","6","3","7","1") = "6"
    & skf21("4","2","4","1","6","4","1","1") = "5"
    & skf21("4","2","4","1","6","4","2","1") = "5"
    & skf21("4","2","4","1","6","4","3","1") = "5"
    & skf21("4","2","4","1","6","4","4","1") = "5"
    & skf21("4","2","4","1","6","4","5","1") = "5"
    & skf21("4","2","4","1","6","4","6","1") = "5"
    & skf21("4","2","4","1","6","4","7","1") = "6"
    & skf21("4","2","4","1","6","5","1","1") = "5"
    & skf21("4","2","4","1","6","5","2","1") = "5"
    & skf21("4","2","4","1","6","5","3","1") = "5"
    & skf21("4","2","4","1","6","5","4","1") = "5"
    & skf21("4","2","4","1","6","5","5","1") = "5"
    & skf21("4","2","4","1","6","5","6","1") = "5"
    & skf21("4","2","4","1","6","5","7","1") = "6"
    & skf21("4","2","4","1","6","6","1","1") = "5"
    & skf21("4","2","4","1","6","6","2","1") = "5"
    & skf21("4","2","4","1","6","6","3","1") = "5"
    & skf21("4","2","4","1","6","6","4","1") = "5"
    & skf21("4","2","4","1","6","6","5","1") = "5"
    & skf21("4","2","4","1","6","6","6","1") = "5"
    & skf21("4","2","4","1","6","6","7","1") = "6"
    & skf21("4","2","4","1","6","7","1","1") = "6"
    & skf21("4","2","4","1","6","7","2","1") = "6"
    & skf21("4","2","4","1","6","7","3","1") = "6"
    & skf21("4","2","4","1","6","7","4","1") = "6"
    & skf21("4","2","4","1","6","7","5","1") = "6"
    & skf21("4","2","4","1","6","7","6","1") = "6"
    & skf21("4","2","4","1","6","7","7","1") = "6"
    & skf21("4","2","4","1","7","1","1","1") = "6"
    & skf21("4","2","4","1","7","1","2","1") = "6"
    & skf21("4","2","4","1","7","1","3","1") = "6"
    & skf21("4","2","4","1","7","1","4","1") = "6"
    & skf21("4","2","4","1","7","1","5","1") = "6"
    & skf21("4","2","4","1","7","1","6","1") = "6"
    & skf21("4","2","4","1","7","1","7","1") = "6"
    & skf21("4","2","4","1","7","2","1","1") = "6"
    & skf21("4","2","4","1","7","2","2","1") = "6"
    & skf21("4","2","4","1","7","2","3","1") = "6"
    & skf21("4","2","4","1","7","2","4","1") = "6"
    & skf21("4","2","4","1","7","2","5","1") = "6"
    & skf21("4","2","4","1","7","2","6","1") = "6"
    & skf21("4","2","4","1","7","2","7","1") = "6"
    & skf21("4","2","4","1","7","3","1","1") = "6"
    & skf21("4","2","4","1","7","3","2","1") = "6"
    & skf21("4","2","4","1","7","3","3","1") = "6"
    & skf21("4","2","4","1","7","3","4","1") = "6"
    & skf21("4","2","4","1","7","3","5","1") = "6"
    & skf21("4","2","4","1","7","3","6","1") = "6"
    & skf21("4","2","4","1","7","3","7","1") = "6"
    & skf21("4","2","4","1","7","4","1","1") = "6"
    & skf21("4","2","4","1","7","4","2","1") = "6"
    & skf21("4","2","4","1","7","4","3","1") = "6"
    & skf21("4","2","4","1","7","4","4","1") = "6"
    & skf21("4","2","4","1","7","4","5","1") = "6"
    & skf21("4","2","4","1","7","4","6","1") = "6"
    & skf21("4","2","4","1","7","4","7","1") = "6"
    & skf21("4","2","4","1","7","5","1","1") = "6"
    & skf21("4","2","4","1","7","5","2","1") = "6"
    & skf21("4","2","4","1","7","5","3","1") = "6"
    & skf21("4","2","4","1","7","5","4","1") = "6"
    & skf21("4","2","4","1","7","5","5","1") = "6"
    & skf21("4","2","4","1","7","5","6","1") = "6"
    & skf21("4","2","4","1","7","5","7","1") = "6"
    & skf21("4","2","4","1","7","6","1","1") = "6"
    & skf21("4","2","4","1","7","6","2","1") = "6"
    & skf21("4","2","4","1","7","6","3","1") = "6"
    & skf21("4","2","4","1","7","6","4","1") = "6"
    & skf21("4","2","4","1","7","6","5","1") = "6"
    & skf21("4","2","4","1","7","6","6","1") = "6"
    & skf21("4","2","4","1","7","6","7","1") = "6"
    & skf21("4","2","4","1","7","7","1","1") = "6"
    & skf21("4","2","4","1","7","7","2","1") = "6"
    & skf21("4","2","4","1","7","7","3","1") = "6"
    & skf21("4","2","4","1","7","7","4","1") = "6"
    & skf21("4","2","4","1","7","7","5","1") = "6"
    & skf21("4","2","4","1","7","7","6","1") = "6"
    & skf21("4","2","4","1","7","7","7","1") = "6"
    & skf21("4","2","4","2","1","1","1","1") = "3"
    & skf21("4","2","4","2","1","1","2","1") = "3"
    & skf21("4","2","4","2","1","1","3","1") = "3"
    & skf21("4","2","4","2","1","1","4","1") = "3"
    & skf21("4","2","4","2","1","1","5","1") = "4"
    & skf21("4","2","4","2","1","1","6","1") = "5"
    & skf21("4","2","4","2","1","1","7","1") = "6"
    & skf21("4","2","4","2","1","2","1","1") = "3"
    & skf21("4","2","4","2","1","2","2","1") = "3"
    & skf21("4","2","4","2","1","2","3","1") = "3"
    & skf21("4","2","4","2","1","2","4","1") = "3"
    & skf21("4","2","4","2","1","2","5","1") = "4"
    & skf21("4","2","4","2","1","2","6","1") = "5"
    & skf21("4","2","4","2","1","2","7","1") = "6"
    & skf21("4","2","4","2","1","3","1","1") = "3"
    & skf21("4","2","4","2","1","3","2","1") = "3"
    & skf21("4","2","4","2","1","3","3","1") = "3"
    & skf21("4","2","4","2","1","3","4","1") = "3"
    & skf21("4","2","4","2","1","3","5","1") = "4"
    & skf21("4","2","4","2","1","3","6","1") = "5"
    & skf21("4","2","4","2","1","3","7","1") = "6"
    & skf21("4","2","4","2","1","4","1","1") = "3"
    & skf21("4","2","4","2","1","4","2","1") = "3"
    & skf21("4","2","4","2","1","4","3","1") = "3"
    & skf21("4","2","4","2","1","4","4","1") = "3"
    & skf21("4","2","4","2","1","4","5","1") = "4"
    & skf21("4","2","4","2","1","4","6","1") = "5"
    & skf21("4","2","4","2","1","4","7","1") = "6"
    & skf21("4","2","4","2","1","5","1","1") = "4"
    & skf21("4","2","4","2","1","5","2","1") = "4"
    & skf21("4","2","4","2","1","5","3","1") = "4"
    & skf21("4","2","4","2","1","5","4","1") = "4"
    & skf21("4","2","4","2","1","5","5","1") = "4"
    & skf21("4","2","4","2","1","5","6","1") = "5"
    & skf21("4","2","4","2","1","5","7","1") = "6"
    & skf21("4","2","4","2","1","6","1","1") = "5"
    & skf21("4","2","4","2","1","6","2","1") = "5"
    & skf21("4","2","4","2","1","6","3","1") = "5"
    & skf21("4","2","4","2","1","6","4","1") = "5"
    & skf21("4","2","4","2","1","6","5","1") = "5"
    & skf21("4","2","4","2","1","6","6","1") = "5"
    & skf21("4","2","4","2","1","6","7","1") = "6"
    & skf21("4","2","4","2","1","7","1","1") = "6"
    & skf21("4","2","4","2","1","7","2","1") = "6"
    & skf21("4","2","4","2","1","7","3","1") = "6"
    & skf21("4","2","4","2","1","7","4","1") = "6"
    & skf21("4","2","4","2","1","7","5","1") = "6"
    & skf21("4","2","4","2","1","7","6","1") = "6"
    & skf21("4","2","4","2","1","7","7","1") = "6"
    & skf21("4","2","4","2","2","1","1","1") = "3"
    & skf21("4","2","4","2","2","1","2","1") = "3"
    & skf21("4","2","4","2","2","1","3","1") = "3"
    & skf21("4","2","4","2","2","1","4","1") = "3"
    & skf21("4","2","4","2","2","1","5","1") = "4"
    & skf21("4","2","4","2","2","1","6","1") = "5"
    & skf21("4","2","4","2","2","1","7","1") = "6"
    & skf21("4","2","4","2","2","2","1","1") = "3"
    & skf21("4","2","4","2","2","2","2","1") = "3"
    & skf21("4","2","4","2","2","2","3","1") = "3"
    & skf21("4","2","4","2","2","2","4","1") = "3"
    & skf21("4","2","4","2","2","2","5","1") = "4"
    & skf21("4","2","4","2","2","2","6","1") = "5"
    & skf21("4","2","4","2","2","2","7","1") = "6"
    & skf21("4","2","4","2","2","3","1","1") = "3"
    & skf21("4","2","4","2","2","3","2","1") = "3"
    & skf21("4","2","4","2","2","3","3","1") = "3"
    & skf21("4","2","4","2","2","3","4","1") = "3"
    & skf21("4","2","4","2","2","3","5","1") = "4"
    & skf21("4","2","4","2","2","3","6","1") = "5"
    & skf21("4","2","4","2","2","3","7","1") = "6"
    & skf21("4","2","4","2","2","4","1","1") = "3"
    & skf21("4","2","4","2","2","4","2","1") = "3"
    & skf21("4","2","4","2","2","4","3","1") = "3"
    & skf21("4","2","4","2","2","4","4","1") = "3"
    & skf21("4","2","4","2","2","4","5","1") = "4"
    & skf21("4","2","4","2","2","4","6","1") = "5"
    & skf21("4","2","4","2","2","4","7","1") = "6"
    & skf21("4","2","4","2","2","5","1","1") = "4"
    & skf21("4","2","4","2","2","5","2","1") = "4"
    & skf21("4","2","4","2","2","5","3","1") = "4"
    & skf21("4","2","4","2","2","5","4","1") = "4"
    & skf21("4","2","4","2","2","5","5","1") = "4"
    & skf21("4","2","4","2","2","5","6","1") = "5"
    & skf21("4","2","4","2","2","5","7","1") = "6"
    & skf21("4","2","4","2","2","6","1","1") = "5"
    & skf21("4","2","4","2","2","6","2","1") = "5"
    & skf21("4","2","4","2","2","6","3","1") = "5"
    & skf21("4","2","4","2","2","6","4","1") = "5"
    & skf21("4","2","4","2","2","6","5","1") = "5"
    & skf21("4","2","4","2","2","6","6","1") = "5"
    & skf21("4","2","4","2","2","6","7","1") = "6"
    & skf21("4","2","4","2","2","7","1","1") = "6"
    & skf21("4","2","4","2","2","7","2","1") = "6"
    & skf21("4","2","4","2","2","7","3","1") = "6"
    & skf21("4","2","4","2","2","7","4","1") = "6"
    & skf21("4","2","4","2","2","7","5","1") = "6"
    & skf21("4","2","4","2","2","7","6","1") = "6"
    & skf21("4","2","4","2","2","7","7","1") = "6"
    & skf21("4","2","4","2","3","1","1","1") = "3"
    & skf21("4","2","4","2","3","1","2","1") = "3"
    & skf21("4","2","4","2","3","1","3","1") = "3"
    & skf21("4","2","4","2","3","1","4","1") = "3"
    & skf21("4","2","4","2","3","1","5","1") = "4"
    & skf21("4","2","4","2","3","1","6","1") = "5"
    & skf21("4","2","4","2","3","1","7","1") = "6"
    & skf21("4","2","4","2","3","2","1","1") = "3"
    & skf21("4","2","4","2","3","2","2","1") = "3"
    & skf21("4","2","4","2","3","2","3","1") = "3"
    & skf21("4","2","4","2","3","2","4","1") = "3"
    & skf21("4","2","4","2","3","2","5","1") = "4"
    & skf21("4","2","4","2","3","2","6","1") = "5"
    & skf21("4","2","4","2","3","2","7","1") = "6"
    & skf21("4","2","4","2","3","3","1","1") = "3"
    & skf21("4","2","4","2","3","3","2","1") = "3"
    & skf21("4","2","4","2","3","3","3","1") = "3"
    & skf21("4","2","4","2","3","3","4","1") = "3"
    & skf21("4","2","4","2","3","3","5","1") = "4"
    & skf21("4","2","4","2","3","3","6","1") = "5"
    & skf21("4","2","4","2","3","3","7","1") = "6"
    & skf21("4","2","4","2","3","4","1","1") = "3"
    & skf21("4","2","4","2","3","4","2","1") = "3"
    & skf21("4","2","4","2","3","4","3","1") = "3"
    & skf21("4","2","4","2","3","4","4","1") = "3"
    & skf21("4","2","4","2","3","4","5","1") = "4"
    & skf21("4","2","4","2","3","4","6","1") = "5"
    & skf21("4","2","4","2","3","4","7","1") = "6"
    & skf21("4","2","4","2","3","5","1","1") = "4"
    & skf21("4","2","4","2","3","5","2","1") = "4"
    & skf21("4","2","4","2","3","5","3","1") = "4"
    & skf21("4","2","4","2","3","5","4","1") = "4"
    & skf21("4","2","4","2","3","5","5","1") = "4"
    & skf21("4","2","4","2","3","5","6","1") = "5"
    & skf21("4","2","4","2","3","5","7","1") = "6"
    & skf21("4","2","4","2","3","6","1","1") = "5"
    & skf21("4","2","4","2","3","6","2","1") = "5"
    & skf21("4","2","4","2","3","6","3","1") = "5"
    & skf21("4","2","4","2","3","6","4","1") = "5"
    & skf21("4","2","4","2","3","6","5","1") = "5"
    & skf21("4","2","4","2","3","6","6","1") = "5"
    & skf21("4","2","4","2","3","6","7","1") = "6"
    & skf21("4","2","4","2","3","7","1","1") = "6"
    & skf21("4","2","4","2","3","7","2","1") = "6"
    & skf21("4","2","4","2","3","7","3","1") = "6"
    & skf21("4","2","4","2","3","7","4","1") = "6"
    & skf21("4","2","4","2","3","7","5","1") = "6"
    & skf21("4","2","4","2","3","7","6","1") = "6"
    & skf21("4","2","4","2","3","7","7","1") = "6"
    & skf21("4","2","4","2","4","1","1","1") = "3"
    & skf21("4","2","4","2","4","1","2","1") = "3"
    & skf21("4","2","4","2","4","1","3","1") = "3"
    & skf21("4","2","4","2","4","1","4","1") = "3"
    & skf21("4","2","4","2","4","1","5","1") = "4"
    & skf21("4","2","4","2","4","1","6","1") = "5"
    & skf21("4","2","4","2","4","1","7","1") = "6"
    & skf21("4","2","4","2","4","2","1","1") = "3"
    & skf21("4","2","4","2","4","2","2","1") = "3"
    & skf21("4","2","4","2","4","2","3","1") = "3"
    & skf21("4","2","4","2","4","2","4","1") = "3"
    & skf21("4","2","4","2","4","2","5","1") = "4"
    & skf21("4","2","4","2","4","2","6","1") = "5"
    & skf21("4","2","4","2","4","2","7","1") = "6"
    & skf21("4","2","4","2","4","3","1","1") = "3"
    & skf21("4","2","4","2","4","3","2","1") = "3"
    & skf21("4","2","4","2","4","3","3","1") = "3"
    & skf21("4","2","4","2","4","3","4","1") = "3"
    & skf21("4","2","4","2","4","3","5","1") = "4"
    & skf21("4","2","4","2","4","3","6","1") = "5"
    & skf21("4","2","4","2","4","3","7","1") = "6"
    & skf21("4","2","4","2","4","4","1","1") = "3"
    & skf21("4","2","4","2","4","4","2","1") = "3"
    & skf21("4","2","4","2","4","4","3","1") = "3"
    & skf21("4","2","4","2","4","4","4","1") = "3"
    & skf21("4","2","4","2","4","4","5","1") = "4"
    & skf21("4","2","4","2","4","4","6","1") = "5"
    & skf21("4","2","4","2","4","4","7","1") = "6"
    & skf21("4","2","4","2","4","5","1","1") = "4"
    & skf21("4","2","4","2","4","5","2","1") = "4"
    & skf21("4","2","4","2","4","5","3","1") = "4"
    & skf21("4","2","4","2","4","5","4","1") = "4"
    & skf21("4","2","4","2","4","5","5","1") = "4"
    & skf21("4","2","4","2","4","5","6","1") = "5"
    & skf21("4","2","4","2","4","5","7","1") = "6"
    & skf21("4","2","4","2","4","6","1","1") = "5"
    & skf21("4","2","4","2","4","6","2","1") = "5"
    & skf21("4","2","4","2","4","6","3","1") = "5"
    & skf21("4","2","4","2","4","6","4","1") = "5"
    & skf21("4","2","4","2","4","6","5","1") = "5"
    & skf21("4","2","4","2","4","6","6","1") = "5"
    & skf21("4","2","4","2","4","6","7","1") = "6"
    & skf21("4","2","4","2","4","7","1","1") = "6"
    & skf21("4","2","4","2","4","7","2","1") = "6"
    & skf21("4","2","4","2","4","7","3","1") = "6"
    & skf21("4","2","4","2","4","7","4","1") = "6"
    & skf21("4","2","4","2","4","7","5","1") = "6"
    & skf21("4","2","4","2","4","7","6","1") = "6"
    & skf21("4","2","4","2","4","7","7","1") = "6"
    & skf21("4","2","4","2","5","1","1","1") = "4"
    & skf21("4","2","4","2","5","1","2","1") = "4"
    & skf21("4","2","4","2","5","1","3","1") = "4"
    & skf21("4","2","4","2","5","1","4","1") = "4"
    & skf21("4","2","4","2","5","1","5","1") = "4"
    & skf21("4","2","4","2","5","1","6","1") = "5"
    & skf21("4","2","4","2","5","1","7","1") = "6"
    & skf21("4","2","4","2","5","2","1","1") = "4"
    & skf21("4","2","4","2","5","2","2","1") = "4"
    & skf21("4","2","4","2","5","2","3","1") = "4"
    & skf21("4","2","4","2","5","2","4","1") = "4"
    & skf21("4","2","4","2","5","2","5","1") = "4"
    & skf21("4","2","4","2","5","2","6","1") = "5"
    & skf21("4","2","4","2","5","2","7","1") = "6"
    & skf21("4","2","4","2","5","3","1","1") = "4"
    & skf21("4","2","4","2","5","3","2","1") = "4"
    & skf21("4","2","4","2","5","3","3","1") = "4"
    & skf21("4","2","4","2","5","3","4","1") = "4"
    & skf21("4","2","4","2","5","3","5","1") = "4"
    & skf21("4","2","4","2","5","3","6","1") = "5"
    & skf21("4","2","4","2","5","3","7","1") = "6"
    & skf21("4","2","4","2","5","4","1","1") = "4"
    & skf21("4","2","4","2","5","4","2","1") = "4"
    & skf21("4","2","4","2","5","4","3","1") = "4"
    & skf21("4","2","4","2","5","4","4","1") = "4"
    & skf21("4","2","4","2","5","4","5","1") = "4"
    & skf21("4","2","4","2","5","4","6","1") = "5"
    & skf21("4","2","4","2","5","4","7","1") = "6"
    & skf21("4","2","4","2","5","5","1","1") = "4"
    & skf21("4","2","4","2","5","5","2","1") = "4"
    & skf21("4","2","4","2","5","5","3","1") = "4"
    & skf21("4","2","4","2","5","5","4","1") = "4"
    & skf21("4","2","4","2","5","5","5","1") = "4"
    & skf21("4","2","4","2","5","5","6","1") = "5"
    & skf21("4","2","4","2","5","5","7","1") = "6"
    & skf21("4","2","4","2","5","6","1","1") = "5"
    & skf21("4","2","4","2","5","6","2","1") = "5"
    & skf21("4","2","4","2","5","6","3","1") = "5"
    & skf21("4","2","4","2","5","6","4","1") = "5"
    & skf21("4","2","4","2","5","6","5","1") = "5"
    & skf21("4","2","4","2","5","6","6","1") = "5"
    & skf21("4","2","4","2","5","6","7","1") = "6"
    & skf21("4","2","4","2","5","7","1","1") = "6"
    & skf21("4","2","4","2","5","7","2","1") = "6"
    & skf21("4","2","4","2","5","7","3","1") = "6"
    & skf21("4","2","4","2","5","7","4","1") = "6"
    & skf21("4","2","4","2","5","7","5","1") = "6"
    & skf21("4","2","4","2","5","7","6","1") = "6"
    & skf21("4","2","4","2","5","7","7","1") = "6"
    & skf21("4","2","4","2","6","1","1","1") = "5"
    & skf21("4","2","4","2","6","1","2","1") = "5"
    & skf21("4","2","4","2","6","1","3","1") = "5"
    & skf21("4","2","4","2","6","1","4","1") = "5"
    & skf21("4","2","4","2","6","1","5","1") = "5"
    & skf21("4","2","4","2","6","1","6","1") = "5"
    & skf21("4","2","4","2","6","1","7","1") = "6"
    & skf21("4","2","4","2","6","2","1","1") = "5"
    & skf21("4","2","4","2","6","2","2","1") = "5"
    & skf21("4","2","4","2","6","2","3","1") = "5"
    & skf21("4","2","4","2","6","2","4","1") = "5"
    & skf21("4","2","4","2","6","2","5","1") = "5"
    & skf21("4","2","4","2","6","2","6","1") = "5"
    & skf21("4","2","4","2","6","2","7","1") = "6"
    & skf21("4","2","4","2","6","3","1","1") = "5"
    & skf21("4","2","4","2","6","3","2","1") = "5"
    & skf21("4","2","4","2","6","3","3","1") = "5"
    & skf21("4","2","4","2","6","3","4","1") = "5"
    & skf21("4","2","4","2","6","3","5","1") = "5"
    & skf21("4","2","4","2","6","3","6","1") = "5"
    & skf21("4","2","4","2","6","3","7","1") = "6"
    & skf21("4","2","4","2","6","4","1","1") = "5"
    & skf21("4","2","4","2","6","4","2","1") = "5"
    & skf21("4","2","4","2","6","4","3","1") = "5"
    & skf21("4","2","4","2","6","4","4","1") = "5"
    & skf21("4","2","4","2","6","4","5","1") = "5"
    & skf21("4","2","4","2","6","4","6","1") = "5"
    & skf21("4","2","4","2","6","4","7","1") = "6"
    & skf21("4","2","4","2","6","5","1","1") = "5"
    & skf21("4","2","4","2","6","5","2","1") = "5"
    & skf21("4","2","4","2","6","5","3","1") = "5"
    & skf21("4","2","4","2","6","5","4","1") = "5"
    & skf21("4","2","4","2","6","5","5","1") = "5"
    & skf21("4","2","4","2","6","5","6","1") = "5"
    & skf21("4","2","4","2","6","5","7","1") = "6"
    & skf21("4","2","4","2","6","6","1","1") = "5"
    & skf21("4","2","4","2","6","6","2","1") = "5"
    & skf21("4","2","4","2","6","6","3","1") = "5"
    & skf21("4","2","4","2","6","6","4","1") = "5"
    & skf21("4","2","4","2","6","6","5","1") = "5"
    & skf21("4","2","4","2","6","6","6","1") = "5"
    & skf21("4","2","4","2","6","6","7","1") = "6"
    & skf21("4","2","4","2","6","7","1","1") = "6"
    & skf21("4","2","4","2","6","7","2","1") = "6"
    & skf21("4","2","4","2","6","7","3","1") = "6"
    & skf21("4","2","4","2","6","7","4","1") = "6"
    & skf21("4","2","4","2","6","7","5","1") = "6"
    & skf21("4","2","4","2","6","7","6","1") = "6"
    & skf21("4","2","4","2","6","7","7","1") = "6"
    & skf21("4","2","4","2","7","1","1","1") = "6"
    & skf21("4","2","4","2","7","1","2","1") = "6"
    & skf21("4","2","4","2","7","1","3","1") = "6"
    & skf21("4","2","4","2","7","1","4","1") = "6"
    & skf21("4","2","4","2","7","1","5","1") = "6"
    & skf21("4","2","4","2","7","1","6","1") = "6"
    & skf21("4","2","4","2","7","1","7","1") = "6"
    & skf21("4","2","4","2","7","2","1","1") = "6"
    & skf21("4","2","4","2","7","2","2","1") = "6"
    & skf21("4","2","4","2","7","2","3","1") = "6"
    & skf21("4","2","4","2","7","2","4","1") = "6"
    & skf21("4","2","4","2","7","2","5","1") = "6"
    & skf21("4","2","4","2","7","2","6","1") = "6"
    & skf21("4","2","4","2","7","2","7","1") = "6"
    & skf21("4","2","4","2","7","3","1","1") = "6"
    & skf21("4","2","4","2","7","3","2","1") = "6"
    & skf21("4","2","4","2","7","3","3","1") = "6"
    & skf21("4","2","4","2","7","3","4","1") = "6"
    & skf21("4","2","4","2","7","3","5","1") = "6"
    & skf21("4","2","4","2","7","3","6","1") = "6"
    & skf21("4","2","4","2","7","3","7","1") = "6"
    & skf21("4","2","4","2","7","4","1","1") = "6"
    & skf21("4","2","4","2","7","4","2","1") = "6"
    & skf21("4","2","4","2","7","4","3","1") = "6"
    & skf21("4","2","4","2","7","4","4","1") = "6"
    & skf21("4","2","4","2","7","4","5","1") = "6"
    & skf21("4","2","4","2","7","4","6","1") = "6"
    & skf21("4","2","4","2","7","4","7","1") = "6"
    & skf21("4","2","4","2","7","5","1","1") = "6"
    & skf21("4","2","4","2","7","5","2","1") = "6"
    & skf21("4","2","4","2","7","5","3","1") = "6"
    & skf21("4","2","4","2","7","5","4","1") = "6"
    & skf21("4","2","4","2","7","5","5","1") = "6"
    & skf21("4","2","4","2","7","5","6","1") = "6"
    & skf21("4","2","4","2","7","5","7","1") = "6"
    & skf21("4","2","4","2","7","6","1","1") = "6"
    & skf21("4","2","4","2","7","6","2","1") = "6"
    & skf21("4","2","4","2","7","6","3","1") = "6"
    & skf21("4","2","4","2","7","6","4","1") = "6"
    & skf21("4","2","4","2","7","6","5","1") = "6"
    & skf21("4","2","4","2","7","6","6","1") = "6"
    & skf21("4","2","4","2","7","6","7","1") = "6"
    & skf21("4","2","4","2","7","7","1","1") = "6"
    & skf21("4","2","4","2","7","7","2","1") = "6"
    & skf21("4","2","4","2","7","7","3","1") = "6"
    & skf21("4","2","4","2","7","7","4","1") = "6"
    & skf21("4","2","4","2","7","7","5","1") = "6"
    & skf21("4","2","4","2","7","7","6","1") = "6"
    & skf21("4","2","4","2","7","7","7","1") = "6"
    & skf21("4","2","4","3","1","1","1","1") = "3"
    & skf21("4","2","4","3","1","1","2","1") = "3"
    & skf21("4","2","4","3","1","1","3","1") = "3"
    & skf21("4","2","4","3","1","1","4","1") = "3"
    & skf21("4","2","4","3","1","1","5","1") = "4"
    & skf21("4","2","4","3","1","1","6","1") = "5"
    & skf21("4","2","4","3","1","1","7","1") = "6"
    & skf21("4","2","4","3","1","2","1","1") = "3"
    & skf21("4","2","4","3","1","2","2","1") = "3"
    & skf21("4","2","4","3","1","2","3","1") = "3"
    & skf21("4","2","4","3","1","2","4","1") = "3"
    & skf21("4","2","4","3","1","2","5","1") = "4"
    & skf21("4","2","4","3","1","2","6","1") = "5"
    & skf21("4","2","4","3","1","2","7","1") = "6"
    & skf21("4","2","4","3","1","3","1","1") = "3"
    & skf21("4","2","4","3","1","3","2","1") = "3"
    & skf21("4","2","4","3","1","3","3","1") = "3"
    & skf21("4","2","4","3","1","3","4","1") = "3"
    & skf21("4","2","4","3","1","3","5","1") = "4"
    & skf21("4","2","4","3","1","3","6","1") = "5"
    & skf21("4","2","4","3","1","3","7","1") = "6"
    & skf21("4","2","4","3","1","4","1","1") = "3"
    & skf21("4","2","4","3","1","4","2","1") = "3"
    & skf21("4","2","4","3","1","4","3","1") = "3"
    & skf21("4","2","4","3","1","4","4","1") = "3"
    & skf21("4","2","4","3","1","4","5","1") = "4"
    & skf21("4","2","4","3","1","4","6","1") = "5"
    & skf21("4","2","4","3","1","4","7","1") = "6"
    & skf21("4","2","4","3","1","5","1","1") = "4"
    & skf21("4","2","4","3","1","5","2","1") = "4"
    & skf21("4","2","4","3","1","5","3","1") = "4"
    & skf21("4","2","4","3","1","5","4","1") = "4"
    & skf21("4","2","4","3","1","5","5","1") = "4"
    & skf21("4","2","4","3","1","5","6","1") = "5"
    & skf21("4","2","4","3","1","5","7","1") = "6"
    & skf21("4","2","4","3","1","6","1","1") = "5"
    & skf21("4","2","4","3","1","6","2","1") = "5"
    & skf21("4","2","4","3","1","6","3","1") = "5"
    & skf21("4","2","4","3","1","6","4","1") = "5"
    & skf21("4","2","4","3","1","6","5","1") = "5"
    & skf21("4","2","4","3","1","6","6","1") = "5"
    & skf21("4","2","4","3","1","6","7","1") = "6"
    & skf21("4","2","4","3","1","7","1","1") = "6"
    & skf21("4","2","4","3","1","7","2","1") = "6"
    & skf21("4","2","4","3","1","7","3","1") = "6"
    & skf21("4","2","4","3","1","7","4","1") = "6"
    & skf21("4","2","4","3","1","7","5","1") = "6"
    & skf21("4","2","4","3","1","7","6","1") = "6"
    & skf21("4","2","4","3","1","7","7","1") = "6"
    & skf21("4","2","4","3","2","1","1","1") = "3"
    & skf21("4","2","4","3","2","1","2","1") = "3"
    & skf21("4","2","4","3","2","1","3","1") = "3"
    & skf21("4","2","4","3","2","1","4","1") = "3"
    & skf21("4","2","4","3","2","1","5","1") = "4"
    & skf21("4","2","4","3","2","1","6","1") = "5"
    & skf21("4","2","4","3","2","1","7","1") = "6"
    & skf21("4","2","4","3","2","2","1","1") = "3"
    & skf21("4","2","4","3","2","2","2","1") = "3"
    & skf21("4","2","4","3","2","2","3","1") = "3"
    & skf21("4","2","4","3","2","2","4","1") = "3"
    & skf21("4","2","4","3","2","2","5","1") = "4"
    & skf21("4","2","4","3","2","2","6","1") = "5"
    & skf21("4","2","4","3","2","2","7","1") = "6"
    & skf21("4","2","4","3","2","3","1","1") = "3"
    & skf21("4","2","4","3","2","3","2","1") = "3"
    & skf21("4","2","4","3","2","3","3","1") = "3"
    & skf21("4","2","4","3","2","3","4","1") = "3"
    & skf21("4","2","4","3","2","3","5","1") = "4"
    & skf21("4","2","4","3","2","3","6","1") = "5"
    & skf21("4","2","4","3","2","3","7","1") = "6"
    & skf21("4","2","4","3","2","4","1","1") = "3"
    & skf21("4","2","4","3","2","4","2","1") = "3"
    & skf21("4","2","4","3","2","4","3","1") = "3"
    & skf21("4","2","4","3","2","4","4","1") = "3"
    & skf21("4","2","4","3","2","4","5","1") = "4"
    & skf21("4","2","4","3","2","4","6","1") = "5"
    & skf21("4","2","4","3","2","4","7","1") = "6"
    & skf21("4","2","4","3","2","5","1","1") = "4"
    & skf21("4","2","4","3","2","5","2","1") = "4"
    & skf21("4","2","4","3","2","5","3","1") = "4"
    & skf21("4","2","4","3","2","5","4","1") = "4"
    & skf21("4","2","4","3","2","5","5","1") = "4"
    & skf21("4","2","4","3","2","5","6","1") = "5"
    & skf21("4","2","4","3","2","5","7","1") = "6"
    & skf21("4","2","4","3","2","6","1","1") = "5"
    & skf21("4","2","4","3","2","6","2","1") = "5"
    & skf21("4","2","4","3","2","6","3","1") = "5"
    & skf21("4","2","4","3","2","6","4","1") = "5"
    & skf21("4","2","4","3","2","6","5","1") = "5"
    & skf21("4","2","4","3","2","6","6","1") = "5"
    & skf21("4","2","4","3","2","6","7","1") = "6"
    & skf21("4","2","4","3","2","7","1","1") = "6"
    & skf21("4","2","4","3","2","7","2","1") = "6"
    & skf21("4","2","4","3","2","7","3","1") = "6"
    & skf21("4","2","4","3","2","7","4","1") = "6"
    & skf21("4","2","4","3","2","7","5","1") = "6"
    & skf21("4","2","4","3","2","7","6","1") = "6"
    & skf21("4","2","4","3","2","7","7","1") = "6"
    & skf21("4","2","4","3","3","1","1","1") = "3"
    & skf21("4","2","4","3","3","1","2","1") = "3"
    & skf21("4","2","4","3","3","1","3","1") = "3"
    & skf21("4","2","4","3","3","1","4","1") = "3"
    & skf21("4","2","4","3","3","1","5","1") = "4"
    & skf21("4","2","4","3","3","1","6","1") = "5"
    & skf21("4","2","4","3","3","1","7","1") = "6"
    & skf21("4","2","4","3","3","2","1","1") = "3"
    & skf21("4","2","4","3","3","2","2","1") = "3"
    & skf21("4","2","4","3","3","2","3","1") = "3"
    & skf21("4","2","4","3","3","2","4","1") = "3"
    & skf21("4","2","4","3","3","2","5","1") = "4"
    & skf21("4","2","4","3","3","2","6","1") = "5"
    & skf21("4","2","4","3","3","2","7","1") = "6"
    & skf21("4","2","4","3","3","3","1","1") = "3"
    & skf21("4","2","4","3","3","3","2","1") = "3"
    & skf21("4","2","4","3","3","3","3","1") = "3"
    & skf21("4","2","4","3","3","3","4","1") = "3"
    & skf21("4","2","4","3","3","3","5","1") = "4"
    & skf21("4","2","4","3","3","3","6","1") = "5"
    & skf21("4","2","4","3","3","3","7","1") = "6"
    & skf21("4","2","4","3","3","4","1","1") = "3"
    & skf21("4","2","4","3","3","4","2","1") = "3"
    & skf21("4","2","4","3","3","4","3","1") = "3"
    & skf21("4","2","4","3","3","4","4","1") = "3"
    & skf21("4","2","4","3","3","4","5","1") = "4"
    & skf21("4","2","4","3","3","4","6","1") = "5"
    & skf21("4","2","4","3","3","4","7","1") = "6"
    & skf21("4","2","4","3","3","5","1","1") = "4"
    & skf21("4","2","4","3","3","5","2","1") = "4"
    & skf21("4","2","4","3","3","5","3","1") = "4"
    & skf21("4","2","4","3","3","5","4","1") = "4"
    & skf21("4","2","4","3","3","5","5","1") = "4"
    & skf21("4","2","4","3","3","5","6","1") = "5"
    & skf21("4","2","4","3","3","5","7","1") = "6"
    & skf21("4","2","4","3","3","6","1","1") = "5"
    & skf21("4","2","4","3","3","6","2","1") = "5"
    & skf21("4","2","4","3","3","6","3","1") = "5"
    & skf21("4","2","4","3","3","6","4","1") = "5"
    & skf21("4","2","4","3","3","6","5","1") = "5"
    & skf21("4","2","4","3","3","6","6","1") = "5"
    & skf21("4","2","4","3","3","6","7","1") = "6"
    & skf21("4","2","4","3","3","7","1","1") = "6"
    & skf21("4","2","4","3","3","7","2","1") = "6"
    & skf21("4","2","4","3","3","7","3","1") = "6"
    & skf21("4","2","4","3","3","7","4","1") = "6"
    & skf21("4","2","4","3","3","7","5","1") = "6"
    & skf21("4","2","4","3","3","7","6","1") = "6"
    & skf21("4","2","4","3","3","7","7","1") = "6"
    & skf21("4","2","4","3","4","1","1","1") = "3"
    & skf21("4","2","4","3","4","1","2","1") = "3"
    & skf21("4","2","4","3","4","1","3","1") = "3"
    & skf21("4","2","4","3","4","1","4","1") = "3"
    & skf21("4","2","4","3","4","1","5","1") = "4"
    & skf21("4","2","4","3","4","1","6","1") = "5"
    & skf21("4","2","4","3","4","1","7","1") = "6"
    & skf21("4","2","4","3","4","2","1","1") = "3"
    & skf21("4","2","4","3","4","2","2","1") = "3"
    & skf21("4","2","4","3","4","2","3","1") = "3"
    & skf21("4","2","4","3","4","2","4","1") = "3"
    & skf21("4","2","4","3","4","2","5","1") = "4"
    & skf21("4","2","4","3","4","2","6","1") = "5"
    & skf21("4","2","4","3","4","2","7","1") = "6"
    & skf21("4","2","4","3","4","3","1","1") = "3"
    & skf21("4","2","4","3","4","3","2","1") = "3"
    & skf21("4","2","4","3","4","3","3","1") = "3"
    & skf21("4","2","4","3","4","3","4","1") = "3"
    & skf21("4","2","4","3","4","3","5","1") = "4"
    & skf21("4","2","4","3","4","3","6","1") = "5"
    & skf21("4","2","4","3","4","3","7","1") = "6"
    & skf21("4","2","4","3","4","4","1","1") = "3"
    & skf21("4","2","4","3","4","4","2","1") = "3"
    & skf21("4","2","4","3","4","4","3","1") = "3"
    & skf21("4","2","4","3","4","4","4","1") = "3"
    & skf21("4","2","4","3","4","4","5","1") = "4"
    & skf21("4","2","4","3","4","4","6","1") = "5"
    & skf21("4","2","4","3","4","4","7","1") = "6"
    & skf21("4","2","4","3","4","5","1","1") = "4"
    & skf21("4","2","4","3","4","5","2","1") = "4"
    & skf21("4","2","4","3","4","5","3","1") = "4"
    & skf21("4","2","4","3","4","5","4","1") = "4"
    & skf21("4","2","4","3","4","5","5","1") = "4"
    & skf21("4","2","4","3","4","5","6","1") = "5"
    & skf21("4","2","4","3","4","5","7","1") = "6"
    & skf21("4","2","4","3","4","6","1","1") = "5"
    & skf21("4","2","4","3","4","6","2","1") = "5"
    & skf21("4","2","4","3","4","6","3","1") = "5"
    & skf21("4","2","4","3","4","6","4","1") = "5"
    & skf21("4","2","4","3","4","6","5","1") = "5"
    & skf21("4","2","4","3","4","6","6","1") = "5"
    & skf21("4","2","4","3","4","6","7","1") = "6"
    & skf21("4","2","4","3","4","7","1","1") = "6"
    & skf21("4","2","4","3","4","7","2","1") = "6"
    & skf21("4","2","4","3","4","7","3","1") = "6"
    & skf21("4","2","4","3","4","7","4","1") = "6"
    & skf21("4","2","4","3","4","7","5","1") = "6"
    & skf21("4","2","4","3","4","7","6","1") = "6"
    & skf21("4","2","4","3","4","7","7","1") = "6"
    & skf21("4","2","4","3","5","1","1","1") = "4"
    & skf21("4","2","4","3","5","1","2","1") = "4"
    & skf21("4","2","4","3","5","1","3","1") = "4"
    & skf21("4","2","4","3","5","1","4","1") = "4"
    & skf21("4","2","4","3","5","1","5","1") = "4"
    & skf21("4","2","4","3","5","1","6","1") = "5"
    & skf21("4","2","4","3","5","1","7","1") = "6"
    & skf21("4","2","4","3","5","2","1","1") = "4"
    & skf21("4","2","4","3","5","2","2","1") = "4"
    & skf21("4","2","4","3","5","2","3","1") = "4"
    & skf21("4","2","4","3","5","2","4","1") = "4"
    & skf21("4","2","4","3","5","2","5","1") = "4"
    & skf21("4","2","4","3","5","2","6","1") = "5"
    & skf21("4","2","4","3","5","2","7","1") = "6"
    & skf21("4","2","4","3","5","3","1","1") = "4"
    & skf21("4","2","4","3","5","3","2","1") = "4"
    & skf21("4","2","4","3","5","3","3","1") = "4"
    & skf21("4","2","4","3","5","3","4","1") = "4"
    & skf21("4","2","4","3","5","3","5","1") = "4"
    & skf21("4","2","4","3","5","3","6","1") = "5"
    & skf21("4","2","4","3","5","3","7","1") = "6"
    & skf21("4","2","4","3","5","4","1","1") = "4"
    & skf21("4","2","4","3","5","4","2","1") = "4"
    & skf21("4","2","4","3","5","4","3","1") = "4"
    & skf21("4","2","4","3","5","4","4","1") = "4"
    & skf21("4","2","4","3","5","4","5","1") = "4"
    & skf21("4","2","4","3","5","4","6","1") = "5"
    & skf21("4","2","4","3","5","4","7","1") = "6"
    & skf21("4","2","4","3","5","5","1","1") = "4"
    & skf21("4","2","4","3","5","5","2","1") = "4"
    & skf21("4","2","4","3","5","5","3","1") = "4"
    & skf21("4","2","4","3","5","5","4","1") = "4"
    & skf21("4","2","4","3","5","5","5","1") = "4"
    & skf21("4","2","4","3","5","5","6","1") = "5"
    & skf21("4","2","4","3","5","5","7","1") = "6"
    & skf21("4","2","4","3","5","6","1","1") = "5"
    & skf21("4","2","4","3","5","6","2","1") = "5"
    & skf21("4","2","4","3","5","6","3","1") = "5"
    & skf21("4","2","4","3","5","6","4","1") = "5"
    & skf21("4","2","4","3","5","6","5","1") = "5"
    & skf21("4","2","4","3","5","6","6","1") = "5"
    & skf21("4","2","4","3","5","6","7","1") = "6"
    & skf21("4","2","4","3","5","7","1","1") = "6"
    & skf21("4","2","4","3","5","7","2","1") = "6"
    & skf21("4","2","4","3","5","7","3","1") = "6"
    & skf21("4","2","4","3","5","7","4","1") = "6"
    & skf21("4","2","4","3","5","7","5","1") = "6"
    & skf21("4","2","4","3","5","7","6","1") = "6"
    & skf21("4","2","4","3","5","7","7","1") = "6"
    & skf21("4","2","4","3","6","1","1","1") = "5"
    & skf21("4","2","4","3","6","1","2","1") = "5"
    & skf21("4","2","4","3","6","1","3","1") = "5"
    & skf21("4","2","4","3","6","1","4","1") = "5"
    & skf21("4","2","4","3","6","1","5","1") = "5"
    & skf21("4","2","4","3","6","1","6","1") = "5"
    & skf21("4","2","4","3","6","1","7","1") = "6"
    & skf21("4","2","4","3","6","2","1","1") = "5"
    & skf21("4","2","4","3","6","2","2","1") = "5"
    & skf21("4","2","4","3","6","2","3","1") = "5"
    & skf21("4","2","4","3","6","2","4","1") = "5"
    & skf21("4","2","4","3","6","2","5","1") = "5"
    & skf21("4","2","4","3","6","2","6","1") = "5"
    & skf21("4","2","4","3","6","2","7","1") = "6"
    & skf21("4","2","4","3","6","3","1","1") = "5"
    & skf21("4","2","4","3","6","3","2","1") = "5"
    & skf21("4","2","4","3","6","3","3","1") = "5"
    & skf21("4","2","4","3","6","3","4","1") = "5"
    & skf21("4","2","4","3","6","3","5","1") = "5"
    & skf21("4","2","4","3","6","3","6","1") = "5"
    & skf21("4","2","4","3","6","3","7","1") = "6"
    & skf21("4","2","4","3","6","4","1","1") = "5"
    & skf21("4","2","4","3","6","4","2","1") = "5"
    & skf21("4","2","4","3","6","4","3","1") = "5"
    & skf21("4","2","4","3","6","4","4","1") = "5"
    & skf21("4","2","4","3","6","4","5","1") = "5"
    & skf21("4","2","4","3","6","4","6","1") = "5"
    & skf21("4","2","4","3","6","4","7","1") = "6"
    & skf21("4","2","4","3","6","5","1","1") = "5"
    & skf21("4","2","4","3","6","5","2","1") = "5"
    & skf21("4","2","4","3","6","5","3","1") = "5"
    & skf21("4","2","4","3","6","5","4","1") = "5"
    & skf21("4","2","4","3","6","5","5","1") = "5"
    & skf21("4","2","4","3","6","5","6","1") = "5"
    & skf21("4","2","4","3","6","5","7","1") = "6"
    & skf21("4","2","4","3","6","6","1","1") = "5"
    & skf21("4","2","4","3","6","6","2","1") = "5"
    & skf21("4","2","4","3","6","6","3","1") = "5"
    & skf21("4","2","4","3","6","6","4","1") = "5"
    & skf21("4","2","4","3","6","6","5","1") = "5"
    & skf21("4","2","4","3","6","6","6","1") = "5"
    & skf21("4","2","4","3","6","6","7","1") = "6"
    & skf21("4","2","4","3","6","7","1","1") = "6"
    & skf21("4","2","4","3","6","7","2","1") = "6"
    & skf21("4","2","4","3","6","7","3","1") = "6"
    & skf21("4","2","4","3","6","7","4","1") = "6"
    & skf21("4","2","4","3","6","7","5","1") = "6"
    & skf21("4","2","4","3","6","7","6","1") = "6"
    & skf21("4","2","4","3","6","7","7","1") = "6"
    & skf21("4","2","4","3","7","1","1","1") = "6"
    & skf21("4","2","4","3","7","1","2","1") = "6"
    & skf21("4","2","4","3","7","1","3","1") = "6"
    & skf21("4","2","4","3","7","1","4","1") = "6"
    & skf21("4","2","4","3","7","1","5","1") = "6"
    & skf21("4","2","4","3","7","1","6","1") = "6"
    & skf21("4","2","4","3","7","1","7","1") = "6"
    & skf21("4","2","4","3","7","2","1","1") = "6"
    & skf21("4","2","4","3","7","2","2","1") = "6"
    & skf21("4","2","4","3","7","2","3","1") = "6"
    & skf21("4","2","4","3","7","2","4","1") = "6"
    & skf21("4","2","4","3","7","2","5","1") = "6"
    & skf21("4","2","4","3","7","2","6","1") = "6"
    & skf21("4","2","4","3","7","2","7","1") = "6"
    & skf21("4","2","4","3","7","3","1","1") = "6"
    & skf21("4","2","4","3","7","3","2","1") = "6"
    & skf21("4","2","4","3","7","3","3","1") = "6"
    & skf21("4","2","4","3","7","3","4","1") = "6"
    & skf21("4","2","4","3","7","3","5","1") = "6"
    & skf21("4","2","4","3","7","3","6","1") = "6"
    & skf21("4","2","4","3","7","3","7","1") = "6"
    & skf21("4","2","4","3","7","4","1","1") = "6"
    & skf21("4","2","4","3","7","4","2","1") = "6"
    & skf21("4","2","4","3","7","4","3","1") = "6"
    & skf21("4","2","4","3","7","4","4","1") = "6"
    & skf21("4","2","4","3","7","4","5","1") = "6"
    & skf21("4","2","4","3","7","4","6","1") = "6"
    & skf21("4","2","4","3","7","4","7","1") = "6"
    & skf21("4","2","4","3","7","5","1","1") = "6"
    & skf21("4","2","4","3","7","5","2","1") = "6"
    & skf21("4","2","4","3","7","5","3","1") = "6"
    & skf21("4","2","4","3","7","5","4","1") = "6"
    & skf21("4","2","4","3","7","5","5","1") = "6"
    & skf21("4","2","4","3","7","5","6","1") = "6"
    & skf21("4","2","4","3","7","5","7","1") = "6"
    & skf21("4","2","4","3","7","6","1","1") = "6"
    & skf21("4","2","4","3","7","6","2","1") = "6"
    & skf21("4","2","4","3","7","6","3","1") = "6"
    & skf21("4","2","4","3","7","6","4","1") = "6"
    & skf21("4","2","4","3","7","6","5","1") = "6"
    & skf21("4","2","4","3","7","6","6","1") = "6"
    & skf21("4","2","4","3","7","6","7","1") = "6"
    & skf21("4","2","4","3","7","7","1","1") = "6"
    & skf21("4","2","4","3","7","7","2","1") = "6"
    & skf21("4","2","4","3","7","7","3","1") = "6"
    & skf21("4","2","4","3","7","7","4","1") = "6"
    & skf21("4","2","4","3","7","7","5","1") = "6"
    & skf21("4","2","4","3","7","7","6","1") = "6"
    & skf21("4","2","4","3","7","7","7","1") = "6"
    & skf21("4","2","4","4","1","1","1","1") = "3"
    & skf21("4","2","4","4","1","1","2","1") = "3"
    & skf21("4","2","4","4","1","1","3","1") = "3"
    & skf21("4","2","4","4","1","1","4","1") = "3"
    & skf21("4","2","4","4","1","1","5","1") = "4"
    & skf21("4","2","4","4","1","1","6","1") = "5"
    & skf21("4","2","4","4","1","1","7","1") = "6"
    & skf21("4","2","4","4","1","2","1","1") = "3"
    & skf21("4","2","4","4","1","2","2","1") = "3"
    & skf21("4","2","4","4","1","2","3","1") = "3"
    & skf21("4","2","4","4","1","2","4","1") = "3"
    & skf21("4","2","4","4","1","2","5","1") = "4"
    & skf21("4","2","4","4","1","2","6","1") = "5"
    & skf21("4","2","4","4","1","2","7","1") = "6"
    & skf21("4","2","4","4","1","3","1","1") = "3"
    & skf21("4","2","4","4","1","3","2","1") = "3"
    & skf21("4","2","4","4","1","3","3","1") = "3"
    & skf21("4","2","4","4","1","3","4","1") = "3"
    & skf21("4","2","4","4","1","3","5","1") = "4"
    & skf21("4","2","4","4","1","3","6","1") = "5"
    & skf21("4","2","4","4","1","3","7","1") = "6"
    & skf21("4","2","4","4","1","4","1","1") = "3"
    & skf21("4","2","4","4","1","4","2","1") = "3"
    & skf21("4","2","4","4","1","4","3","1") = "3"
    & skf21("4","2","4","4","1","4","4","1") = "3"
    & skf21("4","2","4","4","1","4","5","1") = "4"
    & skf21("4","2","4","4","1","4","6","1") = "5"
    & skf21("4","2","4","4","1","4","7","1") = "6"
    & skf21("4","2","4","4","1","5","1","1") = "4"
    & skf21("4","2","4","4","1","5","2","1") = "4"
    & skf21("4","2","4","4","1","5","3","1") = "4"
    & skf21("4","2","4","4","1","5","4","1") = "4"
    & skf21("4","2","4","4","1","5","5","1") = "4"
    & skf21("4","2","4","4","1","5","6","1") = "5"
    & skf21("4","2","4","4","1","5","7","1") = "6"
    & skf21("4","2","4","4","1","6","1","1") = "5"
    & skf21("4","2","4","4","1","6","2","1") = "5"
    & skf21("4","2","4","4","1","6","3","1") = "5"
    & skf21("4","2","4","4","1","6","4","1") = "5"
    & skf21("4","2","4","4","1","6","5","1") = "5"
    & skf21("4","2","4","4","1","6","6","1") = "5"
    & skf21("4","2","4","4","1","6","7","1") = "6"
    & skf21("4","2","4","4","1","7","1","1") = "6"
    & skf21("4","2","4","4","1","7","2","1") = "6"
    & skf21("4","2","4","4","1","7","3","1") = "6"
    & skf21("4","2","4","4","1","7","4","1") = "6"
    & skf21("4","2","4","4","1","7","5","1") = "6"
    & skf21("4","2","4","4","1","7","6","1") = "6"
    & skf21("4","2","4","4","1","7","7","1") = "6"
    & skf21("4","2","4","4","2","1","1","1") = "3"
    & skf21("4","2","4","4","2","1","2","1") = "3"
    & skf21("4","2","4","4","2","1","3","1") = "3"
    & skf21("4","2","4","4","2","1","4","1") = "3"
    & skf21("4","2","4","4","2","1","5","1") = "4"
    & skf21("4","2","4","4","2","1","6","1") = "5"
    & skf21("4","2","4","4","2","1","7","1") = "6"
    & skf21("4","2","4","4","2","2","1","1") = "3"
    & skf21("4","2","4","4","2","2","2","1") = "3"
    & skf21("4","2","4","4","2","2","3","1") = "3"
    & skf21("4","2","4","4","2","2","4","1") = "3"
    & skf21("4","2","4","4","2","2","5","1") = "4"
    & skf21("4","2","4","4","2","2","6","1") = "5"
    & skf21("4","2","4","4","2","2","7","1") = "6"
    & skf21("4","2","4","4","2","3","1","1") = "3"
    & skf21("4","2","4","4","2","3","2","1") = "3"
    & skf21("4","2","4","4","2","3","3","1") = "3"
    & skf21("4","2","4","4","2","3","4","1") = "3"
    & skf21("4","2","4","4","2","3","5","1") = "4"
    & skf21("4","2","4","4","2","3","6","1") = "5"
    & skf21("4","2","4","4","2","3","7","1") = "6"
    & skf21("4","2","4","4","2","4","1","1") = "3"
    & skf21("4","2","4","4","2","4","2","1") = "3"
    & skf21("4","2","4","4","2","4","3","1") = "3"
    & skf21("4","2","4","4","2","4","4","1") = "3"
    & skf21("4","2","4","4","2","4","5","1") = "4"
    & skf21("4","2","4","4","2","4","6","1") = "5"
    & skf21("4","2","4","4","2","4","7","1") = "6"
    & skf21("4","2","4","4","2","5","1","1") = "4"
    & skf21("4","2","4","4","2","5","2","1") = "4"
    & skf21("4","2","4","4","2","5","3","1") = "4"
    & skf21("4","2","4","4","2","5","4","1") = "4"
    & skf21("4","2","4","4","2","5","5","1") = "4"
    & skf21("4","2","4","4","2","5","6","1") = "5"
    & skf21("4","2","4","4","2","5","7","1") = "6"
    & skf21("4","2","4","4","2","6","1","1") = "5"
    & skf21("4","2","4","4","2","6","2","1") = "5"
    & skf21("4","2","4","4","2","6","3","1") = "5"
    & skf21("4","2","4","4","2","6","4","1") = "5"
    & skf21("4","2","4","4","2","6","5","1") = "5"
    & skf21("4","2","4","4","2","6","6","1") = "5"
    & skf21("4","2","4","4","2","6","7","1") = "6"
    & skf21("4","2","4","4","2","7","1","1") = "6"
    & skf21("4","2","4","4","2","7","2","1") = "6"
    & skf21("4","2","4","4","2","7","3","1") = "6"
    & skf21("4","2","4","4","2","7","4","1") = "6"
    & skf21("4","2","4","4","2","7","5","1") = "6"
    & skf21("4","2","4","4","2","7","6","1") = "6"
    & skf21("4","2","4","4","2","7","7","1") = "6"
    & skf21("4","2","4","4","3","1","1","1") = "3"
    & skf21("4","2","4","4","3","1","2","1") = "3"
    & skf21("4","2","4","4","3","1","3","1") = "3"
    & skf21("4","2","4","4","3","1","4","1") = "3"
    & skf21("4","2","4","4","3","1","5","1") = "4"
    & skf21("4","2","4","4","3","1","6","1") = "5"
    & skf21("4","2","4","4","3","1","7","1") = "6"
    & skf21("4","2","4","4","3","2","1","1") = "3"
    & skf21("4","2","4","4","3","2","2","1") = "3"
    & skf21("4","2","4","4","3","2","3","1") = "3"
    & skf21("4","2","4","4","3","2","4","1") = "3"
    & skf21("4","2","4","4","3","2","5","1") = "4"
    & skf21("4","2","4","4","3","2","6","1") = "5"
    & skf21("4","2","4","4","3","2","7","1") = "6"
    & skf21("4","2","4","4","3","3","1","1") = "3"
    & skf21("4","2","4","4","3","3","2","1") = "3"
    & skf21("4","2","4","4","3","3","3","1") = "3"
    & skf21("4","2","4","4","3","3","4","1") = "3"
    & skf21("4","2","4","4","3","3","5","1") = "4"
    & skf21("4","2","4","4","3","3","6","1") = "5"
    & skf21("4","2","4","4","3","3","7","1") = "6"
    & skf21("4","2","4","4","3","4","1","1") = "3"
    & skf21("4","2","4","4","3","4","2","1") = "3"
    & skf21("4","2","4","4","3","4","3","1") = "3"
    & skf21("4","2","4","4","3","4","4","1") = "3"
    & skf21("4","2","4","4","3","4","5","1") = "4"
    & skf21("4","2","4","4","3","4","6","1") = "5"
    & skf21("4","2","4","4","3","4","7","1") = "6"
    & skf21("4","2","4","4","3","5","1","1") = "4"
    & skf21("4","2","4","4","3","5","2","1") = "4"
    & skf21("4","2","4","4","3","5","3","1") = "4"
    & skf21("4","2","4","4","3","5","4","1") = "4"
    & skf21("4","2","4","4","3","5","5","1") = "4"
    & skf21("4","2","4","4","3","5","6","1") = "5"
    & skf21("4","2","4","4","3","5","7","1") = "6"
    & skf21("4","2","4","4","3","6","1","1") = "5"
    & skf21("4","2","4","4","3","6","2","1") = "5"
    & skf21("4","2","4","4","3","6","3","1") = "5"
    & skf21("4","2","4","4","3","6","4","1") = "5"
    & skf21("4","2","4","4","3","6","5","1") = "5"
    & skf21("4","2","4","4","3","6","6","1") = "5"
    & skf21("4","2","4","4","3","6","7","1") = "6"
    & skf21("4","2","4","4","3","7","1","1") = "6"
    & skf21("4","2","4","4","3","7","2","1") = "6"
    & skf21("4","2","4","4","3","7","3","1") = "6"
    & skf21("4","2","4","4","3","7","4","1") = "6"
    & skf21("4","2","4","4","3","7","5","1") = "6"
    & skf21("4","2","4","4","3","7","6","1") = "6"
    & skf21("4","2","4","4","3","7","7","1") = "6"
    & skf21("4","2","4","4","4","1","1","1") = "3"
    & skf21("4","2","4","4","4","1","2","1") = "3"
    & skf21("4","2","4","4","4","1","3","1") = "3"
    & skf21("4","2","4","4","4","1","4","1") = "3"
    & skf21("4","2","4","4","4","1","5","1") = "4"
    & skf21("4","2","4","4","4","1","6","1") = "5"
    & skf21("4","2","4","4","4","1","7","1") = "6"
    & skf21("4","2","4","4","4","2","1","1") = "3"
    & skf21("4","2","4","4","4","2","2","1") = "3"
    & skf21("4","2","4","4","4","2","3","1") = "3"
    & skf21("4","2","4","4","4","2","4","1") = "3"
    & skf21("4","2","4","4","4","2","5","1") = "4"
    & skf21("4","2","4","4","4","2","6","1") = "5"
    & skf21("4","2","4","4","4","2","7","1") = "6"
    & skf21("4","2","4","4","4","3","1","1") = "3"
    & skf21("4","2","4","4","4","3","2","1") = "3"
    & skf21("4","2","4","4","4","3","3","1") = "3"
    & skf21("4","2","4","4","4","3","4","1") = "3"
    & skf21("4","2","4","4","4","3","5","1") = "4"
    & skf21("4","2","4","4","4","3","6","1") = "5"
    & skf21("4","2","4","4","4","3","7","1") = "6"
    & skf21("4","2","4","4","4","4","1","1") = "3"
    & skf21("4","2","4","4","4","4","2","1") = "3"
    & skf21("4","2","4","4","4","4","3","1") = "3"
    & skf21("4","2","4","4","4","4","4","1") = "3"
    & skf21("4","2","4","4","4","4","5","1") = "4"
    & skf21("4","2","4","4","4","4","6","1") = "5"
    & skf21("4","2","4","4","4","4","7","1") = "6"
    & skf21("4","2","4","4","4","5","1","1") = "4"
    & skf21("4","2","4","4","4","5","2","1") = "4"
    & skf21("4","2","4","4","4","5","3","1") = "4"
    & skf21("4","2","4","4","4","5","4","1") = "4"
    & skf21("4","2","4","4","4","5","5","1") = "4"
    & skf21("4","2","4","4","4","5","6","1") = "5"
    & skf21("4","2","4","4","4","5","7","1") = "6"
    & skf21("4","2","4","4","4","6","1","1") = "5"
    & skf21("4","2","4","4","4","6","2","1") = "5"
    & skf21("4","2","4","4","4","6","3","1") = "5"
    & skf21("4","2","4","4","4","6","4","1") = "5"
    & skf21("4","2","4","4","4","6","5","1") = "5"
    & skf21("4","2","4","4","4","6","6","1") = "5"
    & skf21("4","2","4","4","4","6","7","1") = "6"
    & skf21("4","2","4","4","4","7","1","1") = "6"
    & skf21("4","2","4","4","4","7","2","1") = "6"
    & skf21("4","2","4","4","4","7","3","1") = "6"
    & skf21("4","2","4","4","4","7","4","1") = "6"
    & skf21("4","2","4","4","4","7","5","1") = "6"
    & skf21("4","2","4","4","4","7","6","1") = "6"
    & skf21("4","2","4","4","4","7","7","1") = "6"
    & skf21("4","2","4","4","5","1","1","1") = "4"
    & skf21("4","2","4","4","5","1","2","1") = "4"
    & skf21("4","2","4","4","5","1","3","1") = "4"
    & skf21("4","2","4","4","5","1","4","1") = "4"
    & skf21("4","2","4","4","5","1","5","1") = "4"
    & skf21("4","2","4","4","5","1","6","1") = "5"
    & skf21("4","2","4","4","5","1","7","1") = "6"
    & skf21("4","2","4","4","5","2","1","1") = "4"
    & skf21("4","2","4","4","5","2","2","1") = "4"
    & skf21("4","2","4","4","5","2","3","1") = "4"
    & skf21("4","2","4","4","5","2","4","1") = "4"
    & skf21("4","2","4","4","5","2","5","1") = "4"
    & skf21("4","2","4","4","5","2","6","1") = "5"
    & skf21("4","2","4","4","5","2","7","1") = "6"
    & skf21("4","2","4","4","5","3","1","1") = "4"
    & skf21("4","2","4","4","5","3","2","1") = "4"
    & skf21("4","2","4","4","5","3","3","1") = "4"
    & skf21("4","2","4","4","5","3","4","1") = "4"
    & skf21("4","2","4","4","5","3","5","1") = "4"
    & skf21("4","2","4","4","5","3","6","1") = "5"
    & skf21("4","2","4","4","5","3","7","1") = "6"
    & skf21("4","2","4","4","5","4","1","1") = "4"
    & skf21("4","2","4","4","5","4","2","1") = "4"
    & skf21("4","2","4","4","5","4","3","1") = "4"
    & skf21("4","2","4","4","5","4","4","1") = "4"
    & skf21("4","2","4","4","5","4","5","1") = "4"
    & skf21("4","2","4","4","5","4","6","1") = "5"
    & skf21("4","2","4","4","5","4","7","1") = "6"
    & skf21("4","2","4","4","5","5","1","1") = "4"
    & skf21("4","2","4","4","5","5","2","1") = "4"
    & skf21("4","2","4","4","5","5","3","1") = "4"
    & skf21("4","2","4","4","5","5","4","1") = "4"
    & skf21("4","2","4","4","5","5","5","1") = "4"
    & skf21("4","2","4","4","5","5","6","1") = "5"
    & skf21("4","2","4","4","5","5","7","1") = "6"
    & skf21("4","2","4","4","5","6","1","1") = "5"
    & skf21("4","2","4","4","5","6","2","1") = "5"
    & skf21("4","2","4","4","5","6","3","1") = "5"
    & skf21("4","2","4","4","5","6","4","1") = "5"
    & skf21("4","2","4","4","5","6","5","1") = "5"
    & skf21("4","2","4","4","5","6","6","1") = "5"
    & skf21("4","2","4","4","5","6","7","1") = "6"
    & skf21("4","2","4","4","5","7","1","1") = "6"
    & skf21("4","2","4","4","5","7","2","1") = "6"
    & skf21("4","2","4","4","5","7","3","1") = "6"
    & skf21("4","2","4","4","5","7","4","1") = "6"
    & skf21("4","2","4","4","5","7","5","1") = "6"
    & skf21("4","2","4","4","5","7","6","1") = "6"
    & skf21("4","2","4","4","5","7","7","1") = "6"
    & skf21("4","2","4","4","6","1","1","1") = "5"
    & skf21("4","2","4","4","6","1","2","1") = "5"
    & skf21("4","2","4","4","6","1","3","1") = "5"
    & skf21("4","2","4","4","6","1","4","1") = "5"
    & skf21("4","2","4","4","6","1","5","1") = "5"
    & skf21("4","2","4","4","6","1","6","1") = "5"
    & skf21("4","2","4","4","6","1","7","1") = "6"
    & skf21("4","2","4","4","6","2","1","1") = "5"
    & skf21("4","2","4","4","6","2","2","1") = "5"
    & skf21("4","2","4","4","6","2","3","1") = "5"
    & skf21("4","2","4","4","6","2","4","1") = "5"
    & skf21("4","2","4","4","6","2","5","1") = "5"
    & skf21("4","2","4","4","6","2","6","1") = "5"
    & skf21("4","2","4","4","6","2","7","1") = "6"
    & skf21("4","2","4","4","6","3","1","1") = "5"
    & skf21("4","2","4","4","6","3","2","1") = "5"
    & skf21("4","2","4","4","6","3","3","1") = "5"
    & skf21("4","2","4","4","6","3","4","1") = "5"
    & skf21("4","2","4","4","6","3","5","1") = "5"
    & skf21("4","2","4","4","6","3","6","1") = "5"
    & skf21("4","2","4","4","6","3","7","1") = "6"
    & skf21("4","2","4","4","6","4","1","1") = "5"
    & skf21("4","2","4","4","6","4","2","1") = "5"
    & skf21("4","2","4","4","6","4","3","1") = "5"
    & skf21("4","2","4","4","6","4","4","1") = "5"
    & skf21("4","2","4","4","6","4","5","1") = "5"
    & skf21("4","2","4","4","6","4","6","1") = "5"
    & skf21("4","2","4","4","6","4","7","1") = "6"
    & skf21("4","2","4","4","6","5","1","1") = "5"
    & skf21("4","2","4","4","6","5","2","1") = "5"
    & skf21("4","2","4","4","6","5","3","1") = "5"
    & skf21("4","2","4","4","6","5","4","1") = "5"
    & skf21("4","2","4","4","6","5","5","1") = "5"
    & skf21("4","2","4","4","6","5","6","1") = "5"
    & skf21("4","2","4","4","6","5","7","1") = "6"
    & skf21("4","2","4","4","6","6","1","1") = "5"
    & skf21("4","2","4","4","6","6","2","1") = "5"
    & skf21("4","2","4","4","6","6","3","1") = "5"
    & skf21("4","2","4","4","6","6","4","1") = "5"
    & skf21("4","2","4","4","6","6","5","1") = "5"
    & skf21("4","2","4","4","6","6","6","1") = "5"
    & skf21("4","2","4","4","6","6","7","1") = "6"
    & skf21("4","2","4","4","6","7","1","1") = "6"
    & skf21("4","2","4","4","6","7","2","1") = "6"
    & skf21("4","2","4","4","6","7","3","1") = "6"
    & skf21("4","2","4","4","6","7","4","1") = "6"
    & skf21("4","2","4","4","6","7","5","1") = "6"
    & skf21("4","2","4","4","6","7","6","1") = "6"
    & skf21("4","2","4","4","6","7","7","1") = "6"
    & skf21("4","2","4","4","7","1","1","1") = "6"
    & skf21("4","2","4","4","7","1","2","1") = "6"
    & skf21("4","2","4","4","7","1","3","1") = "6"
    & skf21("4","2","4","4","7","1","4","1") = "6"
    & skf21("4","2","4","4","7","1","5","1") = "6"
    & skf21("4","2","4","4","7","1","6","1") = "6"
    & skf21("4","2","4","4","7","1","7","1") = "6"
    & skf21("4","2","4","4","7","2","1","1") = "6"
    & skf21("4","2","4","4","7","2","2","1") = "6"
    & skf21("4","2","4","4","7","2","3","1") = "6"
    & skf21("4","2","4","4","7","2","4","1") = "6"
    & skf21("4","2","4","4","7","2","5","1") = "6"
    & skf21("4","2","4","4","7","2","6","1") = "6"
    & skf21("4","2","4","4","7","2","7","1") = "6"
    & skf21("4","2","4","4","7","3","1","1") = "6"
    & skf21("4","2","4","4","7","3","2","1") = "6"
    & skf21("4","2","4","4","7","3","3","1") = "6"
    & skf21("4","2","4","4","7","3","4","1") = "6"
    & skf21("4","2","4","4","7","3","5","1") = "6"
    & skf21("4","2","4","4","7","3","6","1") = "6"
    & skf21("4","2","4","4","7","3","7","1") = "6"
    & skf21("4","2","4","4","7","4","1","1") = "6"
    & skf21("4","2","4","4","7","4","2","1") = "6"
    & skf21("4","2","4","4","7","4","3","1") = "6"
    & skf21("4","2","4","4","7","4","4","1") = "6"
    & skf21("4","2","4","4","7","4","5","1") = "6"
    & skf21("4","2","4","4","7","4","6","1") = "6"
    & skf21("4","2","4","4","7","4","7","1") = "6"
    & skf21("4","2","4","4","7","5","1","1") = "6"
    & skf21("4","2","4","4","7","5","2","1") = "6"
    & skf21("4","2","4","4","7","5","3","1") = "6"
    & skf21("4","2","4","4","7","5","4","1") = "6"
    & skf21("4","2","4","4","7","5","5","1") = "6"
    & skf21("4","2","4","4","7","5","6","1") = "6"
    & skf21("4","2","4","4","7","5","7","1") = "6"
    & skf21("4","2","4","4","7","6","1","1") = "6"
    & skf21("4","2","4","4","7","6","2","1") = "6"
    & skf21("4","2","4","4","7","6","3","1") = "6"
    & skf21("4","2","4","4","7","6","4","1") = "6"
    & skf21("4","2","4","4","7","6","5","1") = "6"
    & skf21("4","2","4","4","7","6","6","1") = "6"
    & skf21("4","2","4","4","7","6","7","1") = "6"
    & skf21("4","2","4","4","7","7","1","1") = "6"
    & skf21("4","2","4","4","7","7","2","1") = "6"
    & skf21("4","2","4","4","7","7","3","1") = "6"
    & skf21("4","2","4","4","7","7","4","1") = "6"
    & skf21("4","2","4","4","7","7","5","1") = "6"
    & skf21("4","2","4","4","7","7","6","1") = "6"
    & skf21("4","2","4","4","7","7","7","1") = "6"
    & skf21("4","2","4","5","1","1","1","1") = "4"
    & skf21("4","2","4","5","1","1","2","1") = "4"
    & skf21("4","2","4","5","1","1","3","1") = "4"
    & skf21("4","2","4","5","1","1","4","1") = "4"
    & skf21("4","2","4","5","1","1","5","1") = "4"
    & skf21("4","2","4","5","1","1","6","1") = "5"
    & skf21("4","2","4","5","1","1","7","1") = "6"
    & skf21("4","2","4","5","1","2","1","1") = "4"
    & skf21("4","2","4","5","1","2","2","1") = "4"
    & skf21("4","2","4","5","1","2","3","1") = "4"
    & skf21("4","2","4","5","1","2","4","1") = "4"
    & skf21("4","2","4","5","1","2","5","1") = "4"
    & skf21("4","2","4","5","1","2","6","1") = "5"
    & skf21("4","2","4","5","1","2","7","1") = "6"
    & skf21("4","2","4","5","1","3","1","1") = "4"
    & skf21("4","2","4","5","1","3","2","1") = "4"
    & skf21("4","2","4","5","1","3","3","1") = "4"
    & skf21("4","2","4","5","1","3","4","1") = "4"
    & skf21("4","2","4","5","1","3","5","1") = "4"
    & skf21("4","2","4","5","1","3","6","1") = "5"
    & skf21("4","2","4","5","1","3","7","1") = "6"
    & skf21("4","2","4","5","1","4","1","1") = "4"
    & skf21("4","2","4","5","1","4","2","1") = "4"
    & skf21("4","2","4","5","1","4","3","1") = "4"
    & skf21("4","2","4","5","1","4","4","1") = "4"
    & skf21("4","2","4","5","1","4","5","1") = "4"
    & skf21("4","2","4","5","1","4","6","1") = "5"
    & skf21("4","2","4","5","1","4","7","1") = "6"
    & skf21("4","2","4","5","1","5","1","1") = "4"
    & skf21("4","2","4","5","1","5","2","1") = "4"
    & skf21("4","2","4","5","1","5","3","1") = "4"
    & skf21("4","2","4","5","1","5","4","1") = "4"
    & skf21("4","2","4","5","1","5","5","1") = "4"
    & skf21("4","2","4","5","1","5","6","1") = "5"
    & skf21("4","2","4","5","1","5","7","1") = "6"
    & skf21("4","2","4","5","1","6","1","1") = "5"
    & skf21("4","2","4","5","1","6","2","1") = "5"
    & skf21("4","2","4","5","1","6","3","1") = "5"
    & skf21("4","2","4","5","1","6","4","1") = "5"
    & skf21("4","2","4","5","1","6","5","1") = "5"
    & skf21("4","2","4","5","1","6","6","1") = "5"
    & skf21("4","2","4","5","1","6","7","1") = "6"
    & skf21("4","2","4","5","1","7","1","1") = "6"
    & skf21("4","2","4","5","1","7","2","1") = "6"
    & skf21("4","2","4","5","1","7","3","1") = "6"
    & skf21("4","2","4","5","1","7","4","1") = "6"
    & skf21("4","2","4","5","1","7","5","1") = "6"
    & skf21("4","2","4","5","1","7","6","1") = "6"
    & skf21("4","2","4","5","1","7","7","1") = "6"
    & skf21("4","2","4","5","2","1","1","1") = "4"
    & skf21("4","2","4","5","2","1","2","1") = "4"
    & skf21("4","2","4","5","2","1","3","1") = "4"
    & skf21("4","2","4","5","2","1","4","1") = "4"
    & skf21("4","2","4","5","2","1","5","1") = "4"
    & skf21("4","2","4","5","2","1","6","1") = "5"
    & skf21("4","2","4","5","2","1","7","1") = "6"
    & skf21("4","2","4","5","2","2","1","1") = "4"
    & skf21("4","2","4","5","2","2","2","1") = "4"
    & skf21("4","2","4","5","2","2","3","1") = "4"
    & skf21("4","2","4","5","2","2","4","1") = "4"
    & skf21("4","2","4","5","2","2","5","1") = "4"
    & skf21("4","2","4","5","2","2","6","1") = "5"
    & skf21("4","2","4","5","2","2","7","1") = "6"
    & skf21("4","2","4","5","2","3","1","1") = "4"
    & skf21("4","2","4","5","2","3","2","1") = "4"
    & skf21("4","2","4","5","2","3","3","1") = "4"
    & skf21("4","2","4","5","2","3","4","1") = "4"
    & skf21("4","2","4","5","2","3","5","1") = "4"
    & skf21("4","2","4","5","2","3","6","1") = "5"
    & skf21("4","2","4","5","2","3","7","1") = "6"
    & skf21("4","2","4","5","2","4","1","1") = "4"
    & skf21("4","2","4","5","2","4","2","1") = "4"
    & skf21("4","2","4","5","2","4","3","1") = "4"
    & skf21("4","2","4","5","2","4","4","1") = "4"
    & skf21("4","2","4","5","2","4","5","1") = "4"
    & skf21("4","2","4","5","2","4","6","1") = "5"
    & skf21("4","2","4","5","2","4","7","1") = "6"
    & skf21("4","2","4","5","2","5","1","1") = "4"
    & skf21("4","2","4","5","2","5","2","1") = "4"
    & skf21("4","2","4","5","2","5","3","1") = "4"
    & skf21("4","2","4","5","2","5","4","1") = "4"
    & skf21("4","2","4","5","2","5","5","1") = "4"
    & skf21("4","2","4","5","2","5","6","1") = "5"
    & skf21("4","2","4","5","2","5","7","1") = "6"
    & skf21("4","2","4","5","2","6","1","1") = "5"
    & skf21("4","2","4","5","2","6","2","1") = "5"
    & skf21("4","2","4","5","2","6","3","1") = "5"
    & skf21("4","2","4","5","2","6","4","1") = "5"
    & skf21("4","2","4","5","2","6","5","1") = "5"
    & skf21("4","2","4","5","2","6","6","1") = "5"
    & skf21("4","2","4","5","2","6","7","1") = "6"
    & skf21("4","2","4","5","2","7","1","1") = "6"
    & skf21("4","2","4","5","2","7","2","1") = "6"
    & skf21("4","2","4","5","2","7","3","1") = "6"
    & skf21("4","2","4","5","2","7","4","1") = "6"
    & skf21("4","2","4","5","2","7","5","1") = "6"
    & skf21("4","2","4","5","2","7","6","1") = "6"
    & skf21("4","2","4","5","2","7","7","1") = "6"
    & skf21("4","2","4","5","3","1","1","1") = "4"
    & skf21("4","2","4","5","3","1","2","1") = "4"
    & skf21("4","2","4","5","3","1","3","1") = "4"
    & skf21("4","2","4","5","3","1","4","1") = "4"
    & skf21("4","2","4","5","3","1","5","1") = "4"
    & skf21("4","2","4","5","3","1","6","1") = "5"
    & skf21("4","2","4","5","3","1","7","1") = "6"
    & skf21("4","2","4","5","3","2","1","1") = "4"
    & skf21("4","2","4","5","3","2","2","1") = "4"
    & skf21("4","2","4","5","3","2","3","1") = "4"
    & skf21("4","2","4","5","3","2","4","1") = "4"
    & skf21("4","2","4","5","3","2","5","1") = "4"
    & skf21("4","2","4","5","3","2","6","1") = "5"
    & skf21("4","2","4","5","3","2","7","1") = "6"
    & skf21("4","2","4","5","3","3","1","1") = "4"
    & skf21("4","2","4","5","3","3","2","1") = "4"
    & skf21("4","2","4","5","3","3","3","1") = "4"
    & skf21("4","2","4","5","3","3","4","1") = "4"
    & skf21("4","2","4","5","3","3","5","1") = "4"
    & skf21("4","2","4","5","3","3","6","1") = "5"
    & skf21("4","2","4","5","3","3","7","1") = "6"
    & skf21("4","2","4","5","3","4","1","1") = "4"
    & skf21("4","2","4","5","3","4","2","1") = "4"
    & skf21("4","2","4","5","3","4","3","1") = "4"
    & skf21("4","2","4","5","3","4","4","1") = "4"
    & skf21("4","2","4","5","3","4","5","1") = "4"
    & skf21("4","2","4","5","3","4","6","1") = "5"
    & skf21("4","2","4","5","3","4","7","1") = "6"
    & skf21("4","2","4","5","3","5","1","1") = "4"
    & skf21("4","2","4","5","3","5","2","1") = "4"
    & skf21("4","2","4","5","3","5","3","1") = "4"
    & skf21("4","2","4","5","3","5","4","1") = "4"
    & skf21("4","2","4","5","3","5","5","1") = "4"
    & skf21("4","2","4","5","3","5","6","1") = "5"
    & skf21("4","2","4","5","3","5","7","1") = "6"
    & skf21("4","2","4","5","3","6","1","1") = "5"
    & skf21("4","2","4","5","3","6","2","1") = "5"
    & skf21("4","2","4","5","3","6","3","1") = "5"
    & skf21("4","2","4","5","3","6","4","1") = "5"
    & skf21("4","2","4","5","3","6","5","1") = "5"
    & skf21("4","2","4","5","3","6","6","1") = "5"
    & skf21("4","2","4","5","3","6","7","1") = "6"
    & skf21("4","2","4","5","3","7","1","1") = "6"
    & skf21("4","2","4","5","3","7","2","1") = "6"
    & skf21("4","2","4","5","3","7","3","1") = "6"
    & skf21("4","2","4","5","3","7","4","1") = "6"
    & skf21("4","2","4","5","3","7","5","1") = "6"
    & skf21("4","2","4","5","3","7","6","1") = "6"
    & skf21("4","2","4","5","3","7","7","1") = "6"
    & skf21("4","2","4","5","4","1","1","1") = "4"
    & skf21("4","2","4","5","4","1","2","1") = "4"
    & skf21("4","2","4","5","4","1","3","1") = "4"
    & skf21("4","2","4","5","4","1","4","1") = "4"
    & skf21("4","2","4","5","4","1","5","1") = "4"
    & skf21("4","2","4","5","4","1","6","1") = "5"
    & skf21("4","2","4","5","4","1","7","1") = "6"
    & skf21("4","2","4","5","4","2","1","1") = "4"
    & skf21("4","2","4","5","4","2","2","1") = "4"
    & skf21("4","2","4","5","4","2","3","1") = "4"
    & skf21("4","2","4","5","4","2","4","1") = "4"
    & skf21("4","2","4","5","4","2","5","1") = "4"
    & skf21("4","2","4","5","4","2","6","1") = "5"
    & skf21("4","2","4","5","4","2","7","1") = "6"
    & skf21("4","2","4","5","4","3","1","1") = "4"
    & skf21("4","2","4","5","4","3","2","1") = "4"
    & skf21("4","2","4","5","4","3","3","1") = "4"
    & skf21("4","2","4","5","4","3","4","1") = "4"
    & skf21("4","2","4","5","4","3","5","1") = "4"
    & skf21("4","2","4","5","4","3","6","1") = "5"
    & skf21("4","2","4","5","4","3","7","1") = "6"
    & skf21("4","2","4","5","4","4","1","1") = "4"
    & skf21("4","2","4","5","4","4","2","1") = "4"
    & skf21("4","2","4","5","4","4","3","1") = "4"
    & skf21("4","2","4","5","4","4","4","1") = "4"
    & skf21("4","2","4","5","4","4","5","1") = "4"
    & skf21("4","2","4","5","4","4","6","1") = "5"
    & skf21("4","2","4","5","4","4","7","1") = "6"
    & skf21("4","2","4","5","4","5","1","1") = "4"
    & skf21("4","2","4","5","4","5","2","1") = "4"
    & skf21("4","2","4","5","4","5","3","1") = "4"
    & skf21("4","2","4","5","4","5","4","1") = "4"
    & skf21("4","2","4","5","4","5","5","1") = "4"
    & skf21("4","2","4","5","4","5","6","1") = "5"
    & skf21("4","2","4","5","4","5","7","1") = "6"
    & skf21("4","2","4","5","4","6","1","1") = "5"
    & skf21("4","2","4","5","4","6","2","1") = "5"
    & skf21("4","2","4","5","4","6","3","1") = "5"
    & skf21("4","2","4","5","4","6","4","1") = "5"
    & skf21("4","2","4","5","4","6","5","1") = "5"
    & skf21("4","2","4","5","4","6","6","1") = "5"
    & skf21("4","2","4","5","4","6","7","1") = "6"
    & skf21("4","2","4","5","4","7","1","1") = "6"
    & skf21("4","2","4","5","4","7","2","1") = "6"
    & skf21("4","2","4","5","4","7","3","1") = "6"
    & skf21("4","2","4","5","4","7","4","1") = "6"
    & skf21("4","2","4","5","4","7","5","1") = "6"
    & skf21("4","2","4","5","4","7","6","1") = "6"
    & skf21("4","2","4","5","4","7","7","1") = "6"
    & skf21("4","2","4","5","5","1","1","1") = "4"
    & skf21("4","2","4","5","5","1","2","1") = "4"
    & skf21("4","2","4","5","5","1","3","1") = "4"
    & skf21("4","2","4","5","5","1","4","1") = "4"
    & skf21("4","2","4","5","5","1","5","1") = "4"
    & skf21("4","2","4","5","5","1","6","1") = "5"
    & skf21("4","2","4","5","5","1","7","1") = "6"
    & skf21("4","2","4","5","5","2","1","1") = "4"
    & skf21("4","2","4","5","5","2","2","1") = "4"
    & skf21("4","2","4","5","5","2","3","1") = "4"
    & skf21("4","2","4","5","5","2","4","1") = "4"
    & skf21("4","2","4","5","5","2","5","1") = "4"
    & skf21("4","2","4","5","5","2","6","1") = "5"
    & skf21("4","2","4","5","5","2","7","1") = "6"
    & skf21("4","2","4","5","5","3","1","1") = "4"
    & skf21("4","2","4","5","5","3","2","1") = "4"
    & skf21("4","2","4","5","5","3","3","1") = "4"
    & skf21("4","2","4","5","5","3","4","1") = "4"
    & skf21("4","2","4","5","5","3","5","1") = "4"
    & skf21("4","2","4","5","5","3","6","1") = "5"
    & skf21("4","2","4","5","5","3","7","1") = "6"
    & skf21("4","2","4","5","5","4","1","1") = "4"
    & skf21("4","2","4","5","5","4","2","1") = "4"
    & skf21("4","2","4","5","5","4","3","1") = "4"
    & skf21("4","2","4","5","5","4","4","1") = "4"
    & skf21("4","2","4","5","5","4","5","1") = "4"
    & skf21("4","2","4","5","5","4","6","1") = "5"
    & skf21("4","2","4","5","5","4","7","1") = "6"
    & skf21("4","2","4","5","5","5","1","1") = "4"
    & skf21("4","2","4","5","5","5","2","1") = "4"
    & skf21("4","2","4","5","5","5","3","1") = "4"
    & skf21("4","2","4","5","5","5","4","1") = "4"
    & skf21("4","2","4","5","5","5","5","1") = "4"
    & skf21("4","2","4","5","5","5","6","1") = "5"
    & skf21("4","2","4","5","5","5","7","1") = "6"
    & skf21("4","2","4","5","5","6","1","1") = "5"
    & skf21("4","2","4","5","5","6","2","1") = "5"
    & skf21("4","2","4","5","5","6","3","1") = "5"
    & skf21("4","2","4","5","5","6","4","1") = "5"
    & skf21("4","2","4","5","5","6","5","1") = "5"
    & skf21("4","2","4","5","5","6","6","1") = "5"
    & skf21("4","2","4","5","5","6","7","1") = "6"
    & skf21("4","2","4","5","5","7","1","1") = "6"
    & skf21("4","2","4","5","5","7","2","1") = "6"
    & skf21("4","2","4","5","5","7","3","1") = "6"
    & skf21("4","2","4","5","5","7","4","1") = "6"
    & skf21("4","2","4","5","5","7","5","1") = "6"
    & skf21("4","2","4","5","5","7","6","1") = "6"
    & skf21("4","2","4","5","5","7","7","1") = "6"
    & skf21("4","2","4","5","6","1","1","1") = "5"
    & skf21("4","2","4","5","6","1","2","1") = "5"
    & skf21("4","2","4","5","6","1","3","1") = "5"
    & skf21("4","2","4","5","6","1","4","1") = "5"
    & skf21("4","2","4","5","6","1","5","1") = "5"
    & skf21("4","2","4","5","6","1","6","1") = "5"
    & skf21("4","2","4","5","6","1","7","1") = "6"
    & skf21("4","2","4","5","6","2","1","1") = "5"
    & skf21("4","2","4","5","6","2","2","1") = "5"
    & skf21("4","2","4","5","6","2","3","1") = "5"
    & skf21("4","2","4","5","6","2","4","1") = "5"
    & skf21("4","2","4","5","6","2","5","1") = "5"
    & skf21("4","2","4","5","6","2","6","1") = "5"
    & skf21("4","2","4","5","6","2","7","1") = "6"
    & skf21("4","2","4","5","6","3","1","1") = "5"
    & skf21("4","2","4","5","6","3","2","1") = "5"
    & skf21("4","2","4","5","6","3","3","1") = "5"
    & skf21("4","2","4","5","6","3","4","1") = "5"
    & skf21("4","2","4","5","6","3","5","1") = "5"
    & skf21("4","2","4","5","6","3","6","1") = "5"
    & skf21("4","2","4","5","6","3","7","1") = "6"
    & skf21("4","2","4","5","6","4","1","1") = "5"
    & skf21("4","2","4","5","6","4","2","1") = "5"
    & skf21("4","2","4","5","6","4","3","1") = "5"
    & skf21("4","2","4","5","6","4","4","1") = "5"
    & skf21("4","2","4","5","6","4","5","1") = "5"
    & skf21("4","2","4","5","6","4","6","1") = "5"
    & skf21("4","2","4","5","6","4","7","1") = "6"
    & skf21("4","2","4","5","6","5","1","1") = "5"
    & skf21("4","2","4","5","6","5","2","1") = "5"
    & skf21("4","2","4","5","6","5","3","1") = "5"
    & skf21("4","2","4","5","6","5","4","1") = "5"
    & skf21("4","2","4","5","6","5","5","1") = "5"
    & skf21("4","2","4","5","6","5","6","1") = "5"
    & skf21("4","2","4","5","6","5","7","1") = "6"
    & skf21("4","2","4","5","6","6","1","1") = "5"
    & skf21("4","2","4","5","6","6","2","1") = "5"
    & skf21("4","2","4","5","6","6","3","1") = "5"
    & skf21("4","2","4","5","6","6","4","1") = "5"
    & skf21("4","2","4","5","6","6","5","1") = "5"
    & skf21("4","2","4","5","6","6","6","1") = "5"
    & skf21("4","2","4","5","6","6","7","1") = "6"
    & skf21("4","2","4","5","6","7","1","1") = "6"
    & skf21("4","2","4","5","6","7","2","1") = "6"
    & skf21("4","2","4","5","6","7","3","1") = "6"
    & skf21("4","2","4","5","6","7","4","1") = "6"
    & skf21("4","2","4","5","6","7","5","1") = "6"
    & skf21("4","2","4","5","6","7","6","1") = "6"
    & skf21("4","2","4","5","6","7","7","1") = "6"
    & skf21("4","2","4","5","7","1","1","1") = "6"
    & skf21("4","2","4","5","7","1","2","1") = "6"
    & skf21("4","2","4","5","7","1","3","1") = "6"
    & skf21("4","2","4","5","7","1","4","1") = "6"
    & skf21("4","2","4","5","7","1","5","1") = "6"
    & skf21("4","2","4","5","7","1","6","1") = "6"
    & skf21("4","2","4","5","7","1","7","1") = "6"
    & skf21("4","2","4","5","7","2","1","1") = "6"
    & skf21("4","2","4","5","7","2","2","1") = "6"
    & skf21("4","2","4","5","7","2","3","1") = "6"
    & skf21("4","2","4","5","7","2","4","1") = "6"
    & skf21("4","2","4","5","7","2","5","1") = "6"
    & skf21("4","2","4","5","7","2","6","1") = "6"
    & skf21("4","2","4","5","7","2","7","1") = "6"
    & skf21("4","2","4","5","7","3","1","1") = "6"
    & skf21("4","2","4","5","7","3","2","1") = "6"
    & skf21("4","2","4","5","7","3","3","1") = "6"
    & skf21("4","2","4","5","7","3","4","1") = "6"
    & skf21("4","2","4","5","7","3","5","1") = "6"
    & skf21("4","2","4","5","7","3","6","1") = "6"
    & skf21("4","2","4","5","7","3","7","1") = "6"
    & skf21("4","2","4","5","7","4","1","1") = "6"
    & skf21("4","2","4","5","7","4","2","1") = "6"
    & skf21("4","2","4","5","7","4","3","1") = "6"
    & skf21("4","2","4","5","7","4","4","1") = "6"
    & skf21("4","2","4","5","7","4","5","1") = "6"
    & skf21("4","2","4","5","7","4","6","1") = "6"
    & skf21("4","2","4","5","7","4","7","1") = "6"
    & skf21("4","2","4","5","7","5","1","1") = "6"
    & skf21("4","2","4","5","7","5","2","1") = "6"
    & skf21("4","2","4","5","7","5","3","1") = "6"
    & skf21("4","2","4","5","7","5","4","1") = "6"
    & skf21("4","2","4","5","7","5","5","1") = "6"
    & skf21("4","2","4","5","7","5","6","1") = "6"
    & skf21("4","2","4","5","7","5","7","1") = "6"
    & skf21("4","2","4","5","7","6","1","1") = "6"
    & skf21("4","2","4","5","7","6","2","1") = "6"
    & skf21("4","2","4","5","7","6","3","1") = "6"
    & skf21("4","2","4","5","7","6","4","1") = "6"
    & skf21("4","2","4","5","7","6","5","1") = "6"
    & skf21("4","2","4","5","7","6","6","1") = "6"
    & skf21("4","2","4","5","7","6","7","1") = "6"
    & skf21("4","2","4","5","7","7","1","1") = "6"
    & skf21("4","2","4","5","7","7","2","1") = "6"
    & skf21("4","2","4","5","7","7","3","1") = "6"
    & skf21("4","2","4","5","7","7","4","1") = "6"
    & skf21("4","2","4","5","7","7","5","1") = "6"
    & skf21("4","2","4","5","7","7","6","1") = "6"
    & skf21("4","2","4","5","7","7","7","1") = "6"
    & skf21("4","2","4","6","1","1","1","1") = "5"
    & skf21("4","2","4","6","1","1","2","1") = "5"
    & skf21("4","2","4","6","1","1","3","1") = "5"
    & skf21("4","2","4","6","1","1","4","1") = "5"
    & skf21("4","2","4","6","1","1","5","1") = "5"
    & skf21("4","2","4","6","1","1","6","1") = "5"
    & skf21("4","2","4","6","1","1","7","1") = "6"
    & skf21("4","2","4","6","1","2","1","1") = "5"
    & skf21("4","2","4","6","1","2","2","1") = "5"
    & skf21("4","2","4","6","1","2","3","1") = "5"
    & skf21("4","2","4","6","1","2","4","1") = "5"
    & skf21("4","2","4","6","1","2","5","1") = "5"
    & skf21("4","2","4","6","1","2","6","1") = "5"
    & skf21("4","2","4","6","1","2","7","1") = "6"
    & skf21("4","2","4","6","1","3","1","1") = "5"
    & skf21("4","2","4","6","1","3","2","1") = "5"
    & skf21("4","2","4","6","1","3","3","1") = "5"
    & skf21("4","2","4","6","1","3","4","1") = "5"
    & skf21("4","2","4","6","1","3","5","1") = "5"
    & skf21("4","2","4","6","1","3","6","1") = "5"
    & skf21("4","2","4","6","1","3","7","1") = "6"
    & skf21("4","2","4","6","1","4","1","1") = "5"
    & skf21("4","2","4","6","1","4","2","1") = "5"
    & skf21("4","2","4","6","1","4","3","1") = "5"
    & skf21("4","2","4","6","1","4","4","1") = "5"
    & skf21("4","2","4","6","1","4","5","1") = "5"
    & skf21("4","2","4","6","1","4","6","1") = "5"
    & skf21("4","2","4","6","1","4","7","1") = "6"
    & skf21("4","2","4","6","1","5","1","1") = "5"
    & skf21("4","2","4","6","1","5","2","1") = "5"
    & skf21("4","2","4","6","1","5","3","1") = "5"
    & skf21("4","2","4","6","1","5","4","1") = "5"
    & skf21("4","2","4","6","1","5","5","1") = "5"
    & skf21("4","2","4","6","1","5","6","1") = "5"
    & skf21("4","2","4","6","1","5","7","1") = "6"
    & skf21("4","2","4","6","1","6","1","1") = "5"
    & skf21("4","2","4","6","1","6","2","1") = "5"
    & skf21("4","2","4","6","1","6","3","1") = "5"
    & skf21("4","2","4","6","1","6","4","1") = "5"
    & skf21("4","2","4","6","1","6","5","1") = "5"
    & skf21("4","2","4","6","1","6","6","1") = "5"
    & skf21("4","2","4","6","1","6","7","1") = "6"
    & skf21("4","2","4","6","1","7","1","1") = "6"
    & skf21("4","2","4","6","1","7","2","1") = "6"
    & skf21("4","2","4","6","1","7","3","1") = "6"
    & skf21("4","2","4","6","1","7","4","1") = "6"
    & skf21("4","2","4","6","1","7","5","1") = "6"
    & skf21("4","2","4","6","1","7","6","1") = "6"
    & skf21("4","2","4","6","1","7","7","1") = "6"
    & skf21("4","2","4","6","2","1","1","1") = "5"
    & skf21("4","2","4","6","2","1","2","1") = "5"
    & skf21("4","2","4","6","2","1","3","1") = "5"
    & skf21("4","2","4","6","2","1","4","1") = "5"
    & skf21("4","2","4","6","2","1","5","1") = "5"
    & skf21("4","2","4","6","2","1","6","1") = "5"
    & skf21("4","2","4","6","2","1","7","1") = "6"
    & skf21("4","2","4","6","2","2","1","1") = "5"
    & skf21("4","2","4","6","2","2","2","1") = "5"
    & skf21("4","2","4","6","2","2","3","1") = "5"
    & skf21("4","2","4","6","2","2","4","1") = "5"
    & skf21("4","2","4","6","2","2","5","1") = "5"
    & skf21("4","2","4","6","2","2","6","1") = "5"
    & skf21("4","2","4","6","2","2","7","1") = "6"
    & skf21("4","2","4","6","2","3","1","1") = "5"
    & skf21("4","2","4","6","2","3","2","1") = "5"
    & skf21("4","2","4","6","2","3","3","1") = "5"
    & skf21("4","2","4","6","2","3","4","1") = "5"
    & skf21("4","2","4","6","2","3","5","1") = "5"
    & skf21("4","2","4","6","2","3","6","1") = "5"
    & skf21("4","2","4","6","2","3","7","1") = "6"
    & skf21("4","2","4","6","2","4","1","1") = "5"
    & skf21("4","2","4","6","2","4","2","1") = "5"
    & skf21("4","2","4","6","2","4","3","1") = "5"
    & skf21("4","2","4","6","2","4","4","1") = "5"
    & skf21("4","2","4","6","2","4","5","1") = "5"
    & skf21("4","2","4","6","2","4","6","1") = "5"
    & skf21("4","2","4","6","2","4","7","1") = "6"
    & skf21("4","2","4","6","2","5","1","1") = "5"
    & skf21("4","2","4","6","2","5","2","1") = "5"
    & skf21("4","2","4","6","2","5","3","1") = "5"
    & skf21("4","2","4","6","2","5","4","1") = "5"
    & skf21("4","2","4","6","2","5","5","1") = "5"
    & skf21("4","2","4","6","2","5","6","1") = "5"
    & skf21("4","2","4","6","2","5","7","1") = "6"
    & skf21("4","2","4","6","2","6","1","1") = "5"
    & skf21("4","2","4","6","2","6","2","1") = "5"
    & skf21("4","2","4","6","2","6","3","1") = "5"
    & skf21("4","2","4","6","2","6","4","1") = "5"
    & skf21("4","2","4","6","2","6","5","1") = "5"
    & skf21("4","2","4","6","2","6","6","1") = "5"
    & skf21("4","2","4","6","2","6","7","1") = "6"
    & skf21("4","2","4","6","2","7","1","1") = "6"
    & skf21("4","2","4","6","2","7","2","1") = "6"
    & skf21("4","2","4","6","2","7","3","1") = "6"
    & skf21("4","2","4","6","2","7","4","1") = "6"
    & skf21("4","2","4","6","2","7","5","1") = "6"
    & skf21("4","2","4","6","2","7","6","1") = "6"
    & skf21("4","2","4","6","2","7","7","1") = "6"
    & skf21("4","2","4","6","3","1","1","1") = "5"
    & skf21("4","2","4","6","3","1","2","1") = "5"
    & skf21("4","2","4","6","3","1","3","1") = "5"
    & skf21("4","2","4","6","3","1","4","1") = "5"
    & skf21("4","2","4","6","3","1","5","1") = "5"
    & skf21("4","2","4","6","3","1","6","1") = "5"
    & skf21("4","2","4","6","3","1","7","1") = "6"
    & skf21("4","2","4","6","3","2","1","1") = "5"
    & skf21("4","2","4","6","3","2","2","1") = "5"
    & skf21("4","2","4","6","3","2","3","1") = "5"
    & skf21("4","2","4","6","3","2","4","1") = "5"
    & skf21("4","2","4","6","3","2","5","1") = "5"
    & skf21("4","2","4","6","3","2","6","1") = "5"
    & skf21("4","2","4","6","3","2","7","1") = "6"
    & skf21("4","2","4","6","3","3","1","1") = "5"
    & skf21("4","2","4","6","3","3","2","1") = "5"
    & skf21("4","2","4","6","3","3","3","1") = "5"
    & skf21("4","2","4","6","3","3","4","1") = "5"
    & skf21("4","2","4","6","3","3","5","1") = "5"
    & skf21("4","2","4","6","3","3","6","1") = "5"
    & skf21("4","2","4","6","3","3","7","1") = "6"
    & skf21("4","2","4","6","3","4","1","1") = "5"
    & skf21("4","2","4","6","3","4","2","1") = "5"
    & skf21("4","2","4","6","3","4","3","1") = "5"
    & skf21("4","2","4","6","3","4","4","1") = "5"
    & skf21("4","2","4","6","3","4","5","1") = "5"
    & skf21("4","2","4","6","3","4","6","1") = "5"
    & skf21("4","2","4","6","3","4","7","1") = "6"
    & skf21("4","2","4","6","3","5","1","1") = "5"
    & skf21("4","2","4","6","3","5","2","1") = "5"
    & skf21("4","2","4","6","3","5","3","1") = "5"
    & skf21("4","2","4","6","3","5","4","1") = "5"
    & skf21("4","2","4","6","3","5","5","1") = "5"
    & skf21("4","2","4","6","3","5","6","1") = "5"
    & skf21("4","2","4","6","3","5","7","1") = "6"
    & skf21("4","2","4","6","3","6","1","1") = "5"
    & skf21("4","2","4","6","3","6","2","1") = "5"
    & skf21("4","2","4","6","3","6","3","1") = "5"
    & skf21("4","2","4","6","3","6","4","1") = "5"
    & skf21("4","2","4","6","3","6","5","1") = "5"
    & skf21("4","2","4","6","3","6","6","1") = "5"
    & skf21("4","2","4","6","3","6","7","1") = "6"
    & skf21("4","2","4","6","3","7","1","1") = "6"
    & skf21("4","2","4","6","3","7","2","1") = "6"
    & skf21("4","2","4","6","3","7","3","1") = "6"
    & skf21("4","2","4","6","3","7","4","1") = "6"
    & skf21("4","2","4","6","3","7","5","1") = "6"
    & skf21("4","2","4","6","3","7","6","1") = "6"
    & skf21("4","2","4","6","3","7","7","1") = "6"
    & skf21("4","2","4","6","4","1","1","1") = "5"
    & skf21("4","2","4","6","4","1","2","1") = "5"
    & skf21("4","2","4","6","4","1","3","1") = "5"
    & skf21("4","2","4","6","4","1","4","1") = "5"
    & skf21("4","2","4","6","4","1","5","1") = "5"
    & skf21("4","2","4","6","4","1","6","1") = "5"
    & skf21("4","2","4","6","4","1","7","1") = "6"
    & skf21("4","2","4","6","4","2","1","1") = "5"
    & skf21("4","2","4","6","4","2","2","1") = "5"
    & skf21("4","2","4","6","4","2","3","1") = "5"
    & skf21("4","2","4","6","4","2","4","1") = "5"
    & skf21("4","2","4","6","4","2","5","1") = "5"
    & skf21("4","2","4","6","4","2","6","1") = "5"
    & skf21("4","2","4","6","4","2","7","1") = "6"
    & skf21("4","2","4","6","4","3","1","1") = "5"
    & skf21("4","2","4","6","4","3","2","1") = "5"
    & skf21("4","2","4","6","4","3","3","1") = "5"
    & skf21("4","2","4","6","4","3","4","1") = "5"
    & skf21("4","2","4","6","4","3","5","1") = "5"
    & skf21("4","2","4","6","4","3","6","1") = "5"
    & skf21("4","2","4","6","4","3","7","1") = "6"
    & skf21("4","2","4","6","4","4","1","1") = "5"
    & skf21("4","2","4","6","4","4","2","1") = "5"
    & skf21("4","2","4","6","4","4","3","1") = "5"
    & skf21("4","2","4","6","4","4","4","1") = "5"
    & skf21("4","2","4","6","4","4","5","1") = "5"
    & skf21("4","2","4","6","4","4","6","1") = "5"
    & skf21("4","2","4","6","4","4","7","1") = "6"
    & skf21("4","2","4","6","4","5","1","1") = "5"
    & skf21("4","2","4","6","4","5","2","1") = "5"
    & skf21("4","2","4","6","4","5","3","1") = "5"
    & skf21("4","2","4","6","4","5","4","1") = "5"
    & skf21("4","2","4","6","4","5","5","1") = "5"
    & skf21("4","2","4","6","4","5","6","1") = "5"
    & skf21("4","2","4","6","4","5","7","1") = "6"
    & skf21("4","2","4","6","4","6","1","1") = "5"
    & skf21("4","2","4","6","4","6","2","1") = "5"
    & skf21("4","2","4","6","4","6","3","1") = "5"
    & skf21("4","2","4","6","4","6","4","1") = "5"
    & skf21("4","2","4","6","4","6","5","1") = "5"
    & skf21("4","2","4","6","4","6","6","1") = "5"
    & skf21("4","2","4","6","4","6","7","1") = "6"
    & skf21("4","2","4","6","4","7","1","1") = "6"
    & skf21("4","2","4","6","4","7","2","1") = "6"
    & skf21("4","2","4","6","4","7","3","1") = "6"
    & skf21("4","2","4","6","4","7","4","1") = "6"
    & skf21("4","2","4","6","4","7","5","1") = "6"
    & skf21("4","2","4","6","4","7","6","1") = "6"
    & skf21("4","2","4","6","4","7","7","1") = "6"
    & skf21("4","2","4","6","5","1","1","1") = "5"
    & skf21("4","2","4","6","5","1","2","1") = "5"
    & skf21("4","2","4","6","5","1","3","1") = "5"
    & skf21("4","2","4","6","5","1","4","1") = "5"
    & skf21("4","2","4","6","5","1","5","1") = "5"
    & skf21("4","2","4","6","5","1","6","1") = "5"
    & skf21("4","2","4","6","5","1","7","1") = "6"
    & skf21("4","2","4","6","5","2","1","1") = "5"
    & skf21("4","2","4","6","5","2","2","1") = "5"
    & skf21("4","2","4","6","5","2","3","1") = "5"
    & skf21("4","2","4","6","5","2","4","1") = "5"
    & skf21("4","2","4","6","5","2","5","1") = "5"
    & skf21("4","2","4","6","5","2","6","1") = "5"
    & skf21("4","2","4","6","5","2","7","1") = "6"
    & skf21("4","2","4","6","5","3","1","1") = "5"
    & skf21("4","2","4","6","5","3","2","1") = "5"
    & skf21("4","2","4","6","5","3","3","1") = "5"
    & skf21("4","2","4","6","5","3","4","1") = "5"
    & skf21("4","2","4","6","5","3","5","1") = "5"
    & skf21("4","2","4","6","5","3","6","1") = "5"
    & skf21("4","2","4","6","5","3","7","1") = "6"
    & skf21("4","2","4","6","5","4","1","1") = "5"
    & skf21("4","2","4","6","5","4","2","1") = "5"
    & skf21("4","2","4","6","5","4","3","1") = "5"
    & skf21("4","2","4","6","5","4","4","1") = "5"
    & skf21("4","2","4","6","5","4","5","1") = "5"
    & skf21("4","2","4","6","5","4","6","1") = "5"
    & skf21("4","2","4","6","5","4","7","1") = "6"
    & skf21("4","2","4","6","5","5","1","1") = "5"
    & skf21("4","2","4","6","5","5","2","1") = "5"
    & skf21("4","2","4","6","5","5","3","1") = "5"
    & skf21("4","2","4","6","5","5","4","1") = "5"
    & skf21("4","2","4","6","5","5","5","1") = "5"
    & skf21("4","2","4","6","5","5","6","1") = "5"
    & skf21("4","2","4","6","5","5","7","1") = "6"
    & skf21("4","2","4","6","5","6","1","1") = "5"
    & skf21("4","2","4","6","5","6","2","1") = "5"
    & skf21("4","2","4","6","5","6","3","1") = "5"
    & skf21("4","2","4","6","5","6","4","1") = "5"
    & skf21("4","2","4","6","5","6","5","1") = "5"
    & skf21("4","2","4","6","5","6","6","1") = "5"
    & skf21("4","2","4","6","5","6","7","1") = "6"
    & skf21("4","2","4","6","5","7","1","1") = "6"
    & skf21("4","2","4","6","5","7","2","1") = "6"
    & skf21("4","2","4","6","5","7","3","1") = "6"
    & skf21("4","2","4","6","5","7","4","1") = "6"
    & skf21("4","2","4","6","5","7","5","1") = "6"
    & skf21("4","2","4","6","5","7","6","1") = "6"
    & skf21("4","2","4","6","5","7","7","1") = "6"
    & skf21("4","2","4","6","6","1","1","1") = "5"
    & skf21("4","2","4","6","6","1","2","1") = "5"
    & skf21("4","2","4","6","6","1","3","1") = "5"
    & skf21("4","2","4","6","6","1","4","1") = "5"
    & skf21("4","2","4","6","6","1","5","1") = "5"
    & skf21("4","2","4","6","6","1","6","1") = "5"
    & skf21("4","2","4","6","6","1","7","1") = "6"
    & skf21("4","2","4","6","6","2","1","1") = "5"
    & skf21("4","2","4","6","6","2","2","1") = "5"
    & skf21("4","2","4","6","6","2","3","1") = "5"
    & skf21("4","2","4","6","6","2","4","1") = "5"
    & skf21("4","2","4","6","6","2","5","1") = "5"
    & skf21("4","2","4","6","6","2","6","1") = "5"
    & skf21("4","2","4","6","6","2","7","1") = "6"
    & skf21("4","2","4","6","6","3","1","1") = "5"
    & skf21("4","2","4","6","6","3","2","1") = "5"
    & skf21("4","2","4","6","6","3","3","1") = "5"
    & skf21("4","2","4","6","6","3","4","1") = "5"
    & skf21("4","2","4","6","6","3","5","1") = "5"
    & skf21("4","2","4","6","6","3","6","1") = "5"
    & skf21("4","2","4","6","6","3","7","1") = "6"
    & skf21("4","2","4","6","6","4","1","1") = "5"
    & skf21("4","2","4","6","6","4","2","1") = "5"
    & skf21("4","2","4","6","6","4","3","1") = "5"
    & skf21("4","2","4","6","6","4","4","1") = "5"
    & skf21("4","2","4","6","6","4","5","1") = "5"
    & skf21("4","2","4","6","6","4","6","1") = "5"
    & skf21("4","2","4","6","6","4","7","1") = "6"
    & skf21("4","2","4","6","6","5","1","1") = "5"
    & skf21("4","2","4","6","6","5","2","1") = "5"
    & skf21("4","2","4","6","6","5","3","1") = "5"
    & skf21("4","2","4","6","6","5","4","1") = "5"
    & skf21("4","2","4","6","6","5","5","1") = "5"
    & skf21("4","2","4","6","6","5","6","1") = "5"
    & skf21("4","2","4","6","6","5","7","1") = "6"
    & skf21("4","2","4","6","6","6","1","1") = "5"
    & skf21("4","2","4","6","6","6","2","1") = "5"
    & skf21("4","2","4","6","6","6","3","1") = "5"
    & skf21("4","2","4","6","6","6","4","1") = "5"
    & skf21("4","2","4","6","6","6","5","1") = "5"
    & skf21("4","2","4","6","6","6","6","1") = "5"
    & skf21("4","2","4","6","6","6","7","1") = "6"
    & skf21("4","2","4","6","6","7","1","1") = "6"
    & skf21("4","2","4","6","6","7","2","1") = "6"
    & skf21("4","2","4","6","6","7","3","1") = "6"
    & skf21("4","2","4","6","6","7","4","1") = "6"
    & skf21("4","2","4","6","6","7","5","1") = "6"
    & skf21("4","2","4","6","6","7","6","1") = "6"
    & skf21("4","2","4","6","6","7","7","1") = "6"
    & skf21("4","2","4","6","7","1","1","1") = "6"
    & skf21("4","2","4","6","7","1","2","1") = "6"
    & skf21("4","2","4","6","7","1","3","1") = "6"
    & skf21("4","2","4","6","7","1","4","1") = "6"
    & skf21("4","2","4","6","7","1","5","1") = "6"
    & skf21("4","2","4","6","7","1","6","1") = "6"
    & skf21("4","2","4","6","7","1","7","1") = "6"
    & skf21("4","2","4","6","7","2","1","1") = "6"
    & skf21("4","2","4","6","7","2","2","1") = "6"
    & skf21("4","2","4","6","7","2","3","1") = "6"
    & skf21("4","2","4","6","7","2","4","1") = "6"
    & skf21("4","2","4","6","7","2","5","1") = "6"
    & skf21("4","2","4","6","7","2","6","1") = "6"
    & skf21("4","2","4","6","7","2","7","1") = "6"
    & skf21("4","2","4","6","7","3","1","1") = "6"
    & skf21("4","2","4","6","7","3","2","1") = "6"
    & skf21("4","2","4","6","7","3","3","1") = "6"
    & skf21("4","2","4","6","7","3","4","1") = "6"
    & skf21("4","2","4","6","7","3","5","1") = "6"
    & skf21("4","2","4","6","7","3","6","1") = "6"
    & skf21("4","2","4","6","7","3","7","1") = "6"
    & skf21("4","2","4","6","7","4","1","1") = "6"
    & skf21("4","2","4","6","7","4","2","1") = "6"
    & skf21("4","2","4","6","7","4","3","1") = "6"
    & skf21("4","2","4","6","7","4","4","1") = "6"
    & skf21("4","2","4","6","7","4","5","1") = "6"
    & skf21("4","2","4","6","7","4","6","1") = "6"
    & skf21("4","2","4","6","7","4","7","1") = "6"
    & skf21("4","2","4","6","7","5","1","1") = "6"
    & skf21("4","2","4","6","7","5","2","1") = "6"
    & skf21("4","2","4","6","7","5","3","1") = "6"
    & skf21("4","2","4","6","7","5","4","1") = "6"
    & skf21("4","2","4","6","7","5","5","1") = "6"
    & skf21("4","2","4","6","7","5","6","1") = "6"
    & skf21("4","2","4","6","7","5","7","1") = "6"
    & skf21("4","2","4","6","7","6","1","1") = "6"
    & skf21("4","2","4","6","7","6","2","1") = "6"
    & skf21("4","2","4","6","7","6","3","1") = "6"
    & skf21("4","2","4","6","7","6","4","1") = "6"
    & skf21("4","2","4","6","7","6","5","1") = "6"
    & skf21("4","2","4","6","7","6","6","1") = "6"
    & skf21("4","2","4","6","7","6","7","1") = "6"
    & skf21("4","2","4","6","7","7","1","1") = "6"
    & skf21("4","2","4","6","7","7","2","1") = "6"
    & skf21("4","2","4","6","7","7","3","1") = "6"
    & skf21("4","2","4","6","7","7","4","1") = "6"
    & skf21("4","2","4","6","7","7","5","1") = "6"
    & skf21("4","2","4","6","7","7","6","1") = "6"
    & skf21("4","2","4","6","7","7","7","1") = "6"
    & skf21("4","2","4","7","1","1","1","1") = "6"
    & skf21("4","2","4","7","1","1","2","1") = "6"
    & skf21("4","2","4","7","1","1","3","1") = "6"
    & skf21("4","2","4","7","1","1","4","1") = "6"
    & skf21("4","2","4","7","1","1","5","1") = "6"
    & skf21("4","2","4","7","1","1","6","1") = "6"
    & skf21("4","2","4","7","1","1","7","1") = "6"
    & skf21("4","2","4","7","1","2","1","1") = "6"
    & skf21("4","2","4","7","1","2","2","1") = "6"
    & skf21("4","2","4","7","1","2","3","1") = "6"
    & skf21("4","2","4","7","1","2","4","1") = "6"
    & skf21("4","2","4","7","1","2","5","1") = "6"
    & skf21("4","2","4","7","1","2","6","1") = "6"
    & skf21("4","2","4","7","1","2","7","1") = "6"
    & skf21("4","2","4","7","1","3","1","1") = "6"
    & skf21("4","2","4","7","1","3","2","1") = "6"
    & skf21("4","2","4","7","1","3","3","1") = "6"
    & skf21("4","2","4","7","1","3","4","1") = "6"
    & skf21("4","2","4","7","1","3","5","1") = "6"
    & skf21("4","2","4","7","1","3","6","1") = "6"
    & skf21("4","2","4","7","1","3","7","1") = "6"
    & skf21("4","2","4","7","1","4","1","1") = "6"
    & skf21("4","2","4","7","1","4","2","1") = "6"
    & skf21("4","2","4","7","1","4","3","1") = "6"
    & skf21("4","2","4","7","1","4","4","1") = "6"
    & skf21("4","2","4","7","1","4","5","1") = "6"
    & skf21("4","2","4","7","1","4","6","1") = "6"
    & skf21("4","2","4","7","1","4","7","1") = "6"
    & skf21("4","2","4","7","1","5","1","1") = "6"
    & skf21("4","2","4","7","1","5","2","1") = "6"
    & skf21("4","2","4","7","1","5","3","1") = "6"
    & skf21("4","2","4","7","1","5","4","1") = "6"
    & skf21("4","2","4","7","1","5","5","1") = "6"
    & skf21("4","2","4","7","1","5","6","1") = "6"
    & skf21("4","2","4","7","1","5","7","1") = "6"
    & skf21("4","2","4","7","1","6","1","1") = "6"
    & skf21("4","2","4","7","1","6","2","1") = "6"
    & skf21("4","2","4","7","1","6","3","1") = "6"
    & skf21("4","2","4","7","1","6","4","1") = "6"
    & skf21("4","2","4","7","1","6","5","1") = "6"
    & skf21("4","2","4","7","1","6","6","1") = "6"
    & skf21("4","2","4","7","1","6","7","1") = "6"
    & skf21("4","2","4","7","1","7","1","1") = "6"
    & skf21("4","2","4","7","1","7","2","1") = "6"
    & skf21("4","2","4","7","1","7","3","1") = "6"
    & skf21("4","2","4","7","1","7","4","1") = "6"
    & skf21("4","2","4","7","1","7","5","1") = "6"
    & skf21("4","2","4","7","1","7","6","1") = "6"
    & skf21("4","2","4","7","1","7","7","1") = "6"
    & skf21("4","2","4","7","2","1","1","1") = "6"
    & skf21("4","2","4","7","2","1","2","1") = "6"
    & skf21("4","2","4","7","2","1","3","1") = "6"
    & skf21("4","2","4","7","2","1","4","1") = "6"
    & skf21("4","2","4","7","2","1","5","1") = "6"
    & skf21("4","2","4","7","2","1","6","1") = "6"
    & skf21("4","2","4","7","2","1","7","1") = "6"
    & skf21("4","2","4","7","2","2","1","1") = "6"
    & skf21("4","2","4","7","2","2","2","1") = "6"
    & skf21("4","2","4","7","2","2","3","1") = "6"
    & skf21("4","2","4","7","2","2","4","1") = "6"
    & skf21("4","2","4","7","2","2","5","1") = "6"
    & skf21("4","2","4","7","2","2","6","1") = "6"
    & skf21("4","2","4","7","2","2","7","1") = "6"
    & skf21("4","2","4","7","2","3","1","1") = "6"
    & skf21("4","2","4","7","2","3","2","1") = "6"
    & skf21("4","2","4","7","2","3","3","1") = "6"
    & skf21("4","2","4","7","2","3","4","1") = "6"
    & skf21("4","2","4","7","2","3","5","1") = "6"
    & skf21("4","2","4","7","2","3","6","1") = "6"
    & skf21("4","2","4","7","2","3","7","1") = "6"
    & skf21("4","2","4","7","2","4","1","1") = "6"
    & skf21("4","2","4","7","2","4","2","1") = "6"
    & skf21("4","2","4","7","2","4","3","1") = "6"
    & skf21("4","2","4","7","2","4","4","1") = "6"
    & skf21("4","2","4","7","2","4","5","1") = "6"
    & skf21("4","2","4","7","2","4","6","1") = "6"
    & skf21("4","2","4","7","2","4","7","1") = "6"
    & skf21("4","2","4","7","2","5","1","1") = "6"
    & skf21("4","2","4","7","2","5","2","1") = "6"
    & skf21("4","2","4","7","2","5","3","1") = "6"
    & skf21("4","2","4","7","2","5","4","1") = "6"
    & skf21("4","2","4","7","2","5","5","1") = "6"
    & skf21("4","2","4","7","2","5","6","1") = "6"
    & skf21("4","2","4","7","2","5","7","1") = "6"
    & skf21("4","2","4","7","2","6","1","1") = "6"
    & skf21("4","2","4","7","2","6","2","1") = "6"
    & skf21("4","2","4","7","2","6","3","1") = "6"
    & skf21("4","2","4","7","2","6","4","1") = "6"
    & skf21("4","2","4","7","2","6","5","1") = "6"
    & skf21("4","2","4","7","2","6","6","1") = "6"
    & skf21("4","2","4","7","2","6","7","1") = "6"
    & skf21("4","2","4","7","2","7","1","1") = "6"
    & skf21("4","2","4","7","2","7","2","1") = "6"
    & skf21("4","2","4","7","2","7","3","1") = "6"
    & skf21("4","2","4","7","2","7","4","1") = "6"
    & skf21("4","2","4","7","2","7","5","1") = "6"
    & skf21("4","2","4","7","2","7","6","1") = "6"
    & skf21("4","2","4","7","2","7","7","1") = "6"
    & skf21("4","2","4","7","3","1","1","1") = "6"
    & skf21("4","2","4","7","3","1","2","1") = "6"
    & skf21("4","2","4","7","3","1","3","1") = "6"
    & skf21("4","2","4","7","3","1","4","1") = "6"
    & skf21("4","2","4","7","3","1","5","1") = "6"
    & skf21("4","2","4","7","3","1","6","1") = "6"
    & skf21("4","2","4","7","3","1","7","1") = "6"
    & skf21("4","2","4","7","3","2","1","1") = "6"
    & skf21("4","2","4","7","3","2","2","1") = "6"
    & skf21("4","2","4","7","3","2","3","1") = "6"
    & skf21("4","2","4","7","3","2","4","1") = "6"
    & skf21("4","2","4","7","3","2","5","1") = "6"
    & skf21("4","2","4","7","3","2","6","1") = "6"
    & skf21("4","2","4","7","3","2","7","1") = "6"
    & skf21("4","2","4","7","3","3","1","1") = "6"
    & skf21("4","2","4","7","3","3","2","1") = "6"
    & skf21("4","2","4","7","3","3","3","1") = "6"
    & skf21("4","2","4","7","3","3","4","1") = "6"
    & skf21("4","2","4","7","3","3","5","1") = "6"
    & skf21("4","2","4","7","3","3","6","1") = "6"
    & skf21("4","2","4","7","3","3","7","1") = "6"
    & skf21("4","2","4","7","3","4","1","1") = "6"
    & skf21("4","2","4","7","3","4","2","1") = "6"
    & skf21("4","2","4","7","3","4","3","1") = "6"
    & skf21("4","2","4","7","3","4","4","1") = "6"
    & skf21("4","2","4","7","3","4","5","1") = "6"
    & skf21("4","2","4","7","3","4","6","1") = "6"
    & skf21("4","2","4","7","3","4","7","1") = "6"
    & skf21("4","2","4","7","3","5","1","1") = "6"
    & skf21("4","2","4","7","3","5","2","1") = "6"
    & skf21("4","2","4","7","3","5","3","1") = "6"
    & skf21("4","2","4","7","3","5","4","1") = "6"
    & skf21("4","2","4","7","3","5","5","1") = "6"
    & skf21("4","2","4","7","3","5","6","1") = "6"
    & skf21("4","2","4","7","3","5","7","1") = "6"
    & skf21("4","2","4","7","3","6","1","1") = "6"
    & skf21("4","2","4","7","3","6","2","1") = "6"
    & skf21("4","2","4","7","3","6","3","1") = "6"
    & skf21("4","2","4","7","3","6","4","1") = "6"
    & skf21("4","2","4","7","3","6","5","1") = "6"
    & skf21("4","2","4","7","3","6","6","1") = "6"
    & skf21("4","2","4","7","3","6","7","1") = "6"
    & skf21("4","2","4","7","3","7","1","1") = "6"
    & skf21("4","2","4","7","3","7","2","1") = "6"
    & skf21("4","2","4","7","3","7","3","1") = "6"
    & skf21("4","2","4","7","3","7","4","1") = "6"
    & skf21("4","2","4","7","3","7","5","1") = "6"
    & skf21("4","2","4","7","3","7","6","1") = "6"
    & skf21("4","2","4","7","3","7","7","1") = "6"
    & skf21("4","2","4","7","4","1","1","1") = "6"
    & skf21("4","2","4","7","4","1","2","1") = "6"
    & skf21("4","2","4","7","4","1","3","1") = "6"
    & skf21("4","2","4","7","4","1","4","1") = "6"
    & skf21("4","2","4","7","4","1","5","1") = "6"
    & skf21("4","2","4","7","4","1","6","1") = "6"
    & skf21("4","2","4","7","4","1","7","1") = "6"
    & skf21("4","2","4","7","4","2","1","1") = "6"
    & skf21("4","2","4","7","4","2","2","1") = "6"
    & skf21("4","2","4","7","4","2","3","1") = "6"
    & skf21("4","2","4","7","4","2","4","1") = "6"
    & skf21("4","2","4","7","4","2","5","1") = "6"
    & skf21("4","2","4","7","4","2","6","1") = "6"
    & skf21("4","2","4","7","4","2","7","1") = "6"
    & skf21("4","2","4","7","4","3","1","1") = "6"
    & skf21("4","2","4","7","4","3","2","1") = "6"
    & skf21("4","2","4","7","4","3","3","1") = "6"
    & skf21("4","2","4","7","4","3","4","1") = "6"
    & skf21("4","2","4","7","4","3","5","1") = "6"
    & skf21("4","2","4","7","4","3","6","1") = "6"
    & skf21("4","2","4","7","4","3","7","1") = "6"
    & skf21("4","2","4","7","4","4","1","1") = "6"
    & skf21("4","2","4","7","4","4","2","1") = "6"
    & skf21("4","2","4","7","4","4","3","1") = "6"
    & skf21("4","2","4","7","4","4","4","1") = "6"
    & skf21("4","2","4","7","4","4","5","1") = "6"
    & skf21("4","2","4","7","4","4","6","1") = "6"
    & skf21("4","2","4","7","4","4","7","1") = "6"
    & skf21("4","2","4","7","4","5","1","1") = "6"
    & skf21("4","2","4","7","4","5","2","1") = "6"
    & skf21("4","2","4","7","4","5","3","1") = "6"
    & skf21("4","2","4","7","4","5","4","1") = "6"
    & skf21("4","2","4","7","4","5","5","1") = "6"
    & skf21("4","2","4","7","4","5","6","1") = "6"
    & skf21("4","2","4","7","4","5","7","1") = "6"
    & skf21("4","2","4","7","4","6","1","1") = "6"
    & skf21("4","2","4","7","4","6","2","1") = "6"
    & skf21("4","2","4","7","4","6","3","1") = "6"
    & skf21("4","2","4","7","4","6","4","1") = "6"
    & skf21("4","2","4","7","4","6","5","1") = "6"
    & skf21("4","2","4","7","4","6","6","1") = "6"
    & skf21("4","2","4","7","4","6","7","1") = "6"
    & skf21("4","2","4","7","4","7","1","1") = "6"
    & skf21("4","2","4","7","4","7","2","1") = "6"
    & skf21("4","2","4","7","4","7","3","1") = "6"
    & skf21("4","2","4","7","4","7","4","1") = "6"
    & skf21("4","2","4","7","4","7","5","1") = "6"
    & skf21("4","2","4","7","4","7","6","1") = "6"
    & skf21("4","2","4","7","4","7","7","1") = "6"
    & skf21("4","2","4","7","5","1","1","1") = "6"
    & skf21("4","2","4","7","5","1","2","1") = "6"
    & skf21("4","2","4","7","5","1","3","1") = "6"
    & skf21("4","2","4","7","5","1","4","1") = "6"
    & skf21("4","2","4","7","5","1","5","1") = "6"
    & skf21("4","2","4","7","5","1","6","1") = "6"
    & skf21("4","2","4","7","5","1","7","1") = "6"
    & skf21("4","2","4","7","5","2","1","1") = "6"
    & skf21("4","2","4","7","5","2","2","1") = "6"
    & skf21("4","2","4","7","5","2","3","1") = "6"
    & skf21("4","2","4","7","5","2","4","1") = "6"
    & skf21("4","2","4","7","5","2","5","1") = "6"
    & skf21("4","2","4","7","5","2","6","1") = "6"
    & skf21("4","2","4","7","5","2","7","1") = "6"
    & skf21("4","2","4","7","5","3","1","1") = "6"
    & skf21("4","2","4","7","5","3","2","1") = "6"
    & skf21("4","2","4","7","5","3","3","1") = "6"
    & skf21("4","2","4","7","5","3","4","1") = "6"
    & skf21("4","2","4","7","5","3","5","1") = "6"
    & skf21("4","2","4","7","5","3","6","1") = "6"
    & skf21("4","2","4","7","5","3","7","1") = "6"
    & skf21("4","2","4","7","5","4","1","1") = "6"
    & skf21("4","2","4","7","5","4","2","1") = "6"
    & skf21("4","2","4","7","5","4","3","1") = "6"
    & skf21("4","2","4","7","5","4","4","1") = "6"
    & skf21("4","2","4","7","5","4","5","1") = "6"
    & skf21("4","2","4","7","5","4","6","1") = "6"
    & skf21("4","2","4","7","5","4","7","1") = "6"
    & skf21("4","2","4","7","5","5","1","1") = "6"
    & skf21("4","2","4","7","5","5","2","1") = "6"
    & skf21("4","2","4","7","5","5","3","1") = "6"
    & skf21("4","2","4","7","5","5","4","1") = "6"
    & skf21("4","2","4","7","5","5","5","1") = "6"
    & skf21("4","2","4","7","5","5","6","1") = "6"
    & skf21("4","2","4","7","5","5","7","1") = "6"
    & skf21("4","2","4","7","5","6","1","1") = "6"
    & skf21("4","2","4","7","5","6","2","1") = "6"
    & skf21("4","2","4","7","5","6","3","1") = "6"
    & skf21("4","2","4","7","5","6","4","1") = "6"
    & skf21("4","2","4","7","5","6","5","1") = "6"
    & skf21("4","2","4","7","5","6","6","1") = "6"
    & skf21("4","2","4","7","5","6","7","1") = "6"
    & skf21("4","2","4","7","5","7","1","1") = "6"
    & skf21("4","2","4","7","5","7","2","1") = "6"
    & skf21("4","2","4","7","5","7","3","1") = "6"
    & skf21("4","2","4","7","5","7","4","1") = "6"
    & skf21("4","2","4","7","5","7","5","1") = "6"
    & skf21("4","2","4","7","5","7","6","1") = "6"
    & skf21("4","2","4","7","5","7","7","1") = "6"
    & skf21("4","2","4","7","6","1","1","1") = "6"
    & skf21("4","2","4","7","6","1","2","1") = "6"
    & skf21("4","2","4","7","6","1","3","1") = "6"
    & skf21("4","2","4","7","6","1","4","1") = "6"
    & skf21("4","2","4","7","6","1","5","1") = "6"
    & skf21("4","2","4","7","6","1","6","1") = "6"
    & skf21("4","2","4","7","6","1","7","1") = "6"
    & skf21("4","2","4","7","6","2","1","1") = "6"
    & skf21("4","2","4","7","6","2","2","1") = "6"
    & skf21("4","2","4","7","6","2","3","1") = "6"
    & skf21("4","2","4","7","6","2","4","1") = "6"
    & skf21("4","2","4","7","6","2","5","1") = "6"
    & skf21("4","2","4","7","6","2","6","1") = "6"
    & skf21("4","2","4","7","6","2","7","1") = "6"
    & skf21("4","2","4","7","6","3","1","1") = "6"
    & skf21("4","2","4","7","6","3","2","1") = "6"
    & skf21("4","2","4","7","6","3","3","1") = "6"
    & skf21("4","2","4","7","6","3","4","1") = "6"
    & skf21("4","2","4","7","6","3","5","1") = "6"
    & skf21("4","2","4","7","6","3","6","1") = "6"
    & skf21("4","2","4","7","6","3","7","1") = "6"
    & skf21("4","2","4","7","6","4","1","1") = "6"
    & skf21("4","2","4","7","6","4","2","1") = "6"
    & skf21("4","2","4","7","6","4","3","1") = "6"
    & skf21("4","2","4","7","6","4","4","1") = "6"
    & skf21("4","2","4","7","6","4","5","1") = "6"
    & skf21("4","2","4","7","6","4","6","1") = "6"
    & skf21("4","2","4","7","6","4","7","1") = "6"
    & skf21("4","2","4","7","6","5","1","1") = "6"
    & skf21("4","2","4","7","6","5","2","1") = "6"
    & skf21("4","2","4","7","6","5","3","1") = "6"
    & skf21("4","2","4","7","6","5","4","1") = "6"
    & skf21("4","2","4","7","6","5","5","1") = "6"
    & skf21("4","2","4","7","6","5","6","1") = "6"
    & skf21("4","2","4","7","6","5","7","1") = "6"
    & skf21("4","2","4","7","6","6","1","1") = "6"
    & skf21("4","2","4","7","6","6","2","1") = "6"
    & skf21("4","2","4","7","6","6","3","1") = "6"
    & skf21("4","2","4","7","6","6","4","1") = "6"
    & skf21("4","2","4","7","6","6","5","1") = "6"
    & skf21("4","2","4","7","6","6","6","1") = "6"
    & skf21("4","2","4","7","6","6","7","1") = "6"
    & skf21("4","2","4","7","6","7","1","1") = "6"
    & skf21("4","2","4","7","6","7","2","1") = "6"
    & skf21("4","2","4","7","6","7","3","1") = "6"
    & skf21("4","2","4","7","6","7","4","1") = "6"
    & skf21("4","2","4","7","6","7","5","1") = "6"
    & skf21("4","2","4","7","6","7","6","1") = "6"
    & skf21("4","2","4","7","6","7","7","1") = "6"
    & skf21("4","2","4","7","7","1","1","1") = "6"
    & skf21("4","2","4","7","7","1","2","1") = "6"
    & skf21("4","2","4","7","7","1","3","1") = "6"
    & skf21("4","2","4","7","7","1","4","1") = "6"
    & skf21("4","2","4","7","7","1","5","1") = "6"
    & skf21("4","2","4","7","7","1","6","1") = "6"
    & skf21("4","2","4","7","7","1","7","1") = "6"
    & skf21("4","2","4","7","7","2","1","1") = "6"
    & skf21("4","2","4","7","7","2","2","1") = "6"
    & skf21("4","2","4","7","7","2","3","1") = "6"
    & skf21("4","2","4","7","7","2","4","1") = "6"
    & skf21("4","2","4","7","7","2","5","1") = "6"
    & skf21("4","2","4","7","7","2","6","1") = "6"
    & skf21("4","2","4","7","7","2","7","1") = "6"
    & skf21("4","2","4","7","7","3","1","1") = "6"
    & skf21("4","2","4","7","7","3","2","1") = "6"
    & skf21("4","2","4","7","7","3","3","1") = "6"
    & skf21("4","2","4","7","7","3","4","1") = "6"
    & skf21("4","2","4","7","7","3","5","1") = "6"
    & skf21("4","2","4","7","7","3","6","1") = "6"
    & skf21("4","2","4","7","7","3","7","1") = "6"
    & skf21("4","2","4","7","7","4","1","1") = "6"
    & skf21("4","2","4","7","7","4","2","1") = "6"
    & skf21("4","2","4","7","7","4","3","1") = "6"
    & skf21("4","2","4","7","7","4","4","1") = "6"
    & skf21("4","2","4","7","7","4","5","1") = "6"
    & skf21("4","2","4","7","7","4","6","1") = "6"
    & skf21("4","2","4","7","7","4","7","1") = "6"
    & skf21("4","2","4","7","7","5","1","1") = "6"
    & skf21("4","2","4","7","7","5","2","1") = "6"
    & skf21("4","2","4","7","7","5","3","1") = "6"
    & skf21("4","2","4","7","7","5","4","1") = "6"
    & skf21("4","2","4","7","7","5","5","1") = "6"
    & skf21("4","2","4","7","7","5","6","1") = "6"
    & skf21("4","2","4","7","7","5","7","1") = "6"
    & skf21("4","2","4","7","7","6","1","1") = "6"
    & skf21("4","2","4","7","7","6","2","1") = "6"
    & skf21("4","2","4","7","7","6","3","1") = "6"
    & skf21("4","2","4","7","7","6","4","1") = "6"
    & skf21("4","2","4","7","7","6","5","1") = "6"
    & skf21("4","2","4","7","7","6","6","1") = "6"
    & skf21("4","2","4","7","7","6","7","1") = "6"
    & skf21("4","2","4","7","7","7","1","1") = "6"
    & skf21("4","2","4","7","7","7","2","1") = "6"
    & skf21("4","2","4","7","7","7","3","1") = "6"
    & skf21("4","2","4","7","7","7","4","1") = "6"
    & skf21("4","2","4","7","7","7","5","1") = "6"
    & skf21("4","2","4","7","7","7","6","1") = "6"
    & skf21("4","2","4","7","7","7","7","1") = "6"
    & skf21("4","2","5","1","1","1","1","1") = "4"
    & skf21("4","2","5","1","1","1","2","1") = "4"
    & skf21("4","2","5","1","1","1","3","1") = "4"
    & skf21("4","2","5","1","1","1","4","1") = "4"
    & skf21("4","2","5","1","1","1","5","1") = "4"
    & skf21("4","2","5","1","1","1","6","1") = "5"
    & skf21("4","2","5","1","1","1","7","1") = "6"
    & skf21("4","2","5","1","1","2","1","1") = "4"
    & skf21("4","2","5","1","1","2","2","1") = "4"
    & skf21("4","2","5","1","1","2","3","1") = "4"
    & skf21("4","2","5","1","1","2","4","1") = "4"
    & skf21("4","2","5","1","1","2","5","1") = "4"
    & skf21("4","2","5","1","1","2","6","1") = "5"
    & skf21("4","2","5","1","1","2","7","1") = "6"
    & skf21("4","2","5","1","1","3","1","1") = "4"
    & skf21("4","2","5","1","1","3","2","1") = "4"
    & skf21("4","2","5","1","1","3","3","1") = "4"
    & skf21("4","2","5","1","1","3","4","1") = "4"
    & skf21("4","2","5","1","1","3","5","1") = "4"
    & skf21("4","2","5","1","1","3","6","1") = "5"
    & skf21("4","2","5","1","1","3","7","1") = "6"
    & skf21("4","2","5","1","1","4","1","1") = "4"
    & skf21("4","2","5","1","1","4","2","1") = "4"
    & skf21("4","2","5","1","1","4","3","1") = "4"
    & skf21("4","2","5","1","1","4","4","1") = "4"
    & skf21("4","2","5","1","1","4","5","1") = "4"
    & skf21("4","2","5","1","1","4","6","1") = "5"
    & skf21("4","2","5","1","1","4","7","1") = "6"
    & skf21("4","2","5","1","1","5","1","1") = "4"
    & skf21("4","2","5","1","1","5","2","1") = "4"
    & skf21("4","2","5","1","1","5","3","1") = "4"
    & skf21("4","2","5","1","1","5","4","1") = "4"
    & skf21("4","2","5","1","1","5","5","1") = "4"
    & skf21("4","2","5","1","1","5","6","1") = "5"
    & skf21("4","2","5","1","1","5","7","1") = "6"
    & skf21("4","2","5","1","1","6","1","1") = "5"
    & skf21("4","2","5","1","1","6","2","1") = "5"
    & skf21("4","2","5","1","1","6","3","1") = "5"
    & skf21("4","2","5","1","1","6","4","1") = "5"
    & skf21("4","2","5","1","1","6","5","1") = "5"
    & skf21("4","2","5","1","1","6","6","1") = "5"
    & skf21("4","2","5","1","1","6","7","1") = "6"
    & skf21("4","2","5","1","1","7","1","1") = "6"
    & skf21("4","2","5","1","1","7","2","1") = "6"
    & skf21("4","2","5","1","1","7","3","1") = "6"
    & skf21("4","2","5","1","1","7","4","1") = "6"
    & skf21("4","2","5","1","1","7","5","1") = "6"
    & skf21("4","2","5","1","1","7","6","1") = "6"
    & skf21("4","2","5","1","1","7","7","1") = "6"
    & skf21("4","2","5","1","2","1","1","1") = "4"
    & skf21("4","2","5","1","2","1","2","1") = "4"
    & skf21("4","2","5","1","2","1","3","1") = "4"
    & skf21("4","2","5","1","2","1","4","1") = "4"
    & skf21("4","2","5","1","2","1","5","1") = "4"
    & skf21("4","2","5","1","2","1","6","1") = "5"
    & skf21("4","2","5","1","2","1","7","1") = "6"
    & skf21("4","2","5","1","2","2","1","1") = "4"
    & skf21("4","2","5","1","2","2","2","1") = "4"
    & skf21("4","2","5","1","2","2","3","1") = "4"
    & skf21("4","2","5","1","2","2","4","1") = "4"
    & skf21("4","2","5","1","2","2","5","1") = "4"
    & skf21("4","2","5","1","2","2","6","1") = "5"
    & skf21("4","2","5","1","2","2","7","1") = "6"
    & skf21("4","2","5","1","2","3","1","1") = "4"
    & skf21("4","2","5","1","2","3","2","1") = "4"
    & skf21("4","2","5","1","2","3","3","1") = "4"
    & skf21("4","2","5","1","2","3","4","1") = "4"
    & skf21("4","2","5","1","2","3","5","1") = "4"
    & skf21("4","2","5","1","2","3","6","1") = "5"
    & skf21("4","2","5","1","2","3","7","1") = "6"
    & skf21("4","2","5","1","2","4","1","1") = "4"
    & skf21("4","2","5","1","2","4","2","1") = "4"
    & skf21("4","2","5","1","2","4","3","1") = "4"
    & skf21("4","2","5","1","2","4","4","1") = "4"
    & skf21("4","2","5","1","2","4","5","1") = "4"
    & skf21("4","2","5","1","2","4","6","1") = "5"
    & skf21("4","2","5","1","2","4","7","1") = "6"
    & skf21("4","2","5","1","2","5","1","1") = "4"
    & skf21("4","2","5","1","2","5","2","1") = "4"
    & skf21("4","2","5","1","2","5","3","1") = "4"
    & skf21("4","2","5","1","2","5","4","1") = "4"
    & skf21("4","2","5","1","2","5","5","1") = "4"
    & skf21("4","2","5","1","2","5","6","1") = "5"
    & skf21("4","2","5","1","2","5","7","1") = "6"
    & skf21("4","2","5","1","2","6","1","1") = "5"
    & skf21("4","2","5","1","2","6","2","1") = "5"
    & skf21("4","2","5","1","2","6","3","1") = "5"
    & skf21("4","2","5","1","2","6","4","1") = "5"
    & skf21("4","2","5","1","2","6","5","1") = "5"
    & skf21("4","2","5","1","2","6","6","1") = "5"
    & skf21("4","2","5","1","2","6","7","1") = "6"
    & skf21("4","2","5","1","2","7","1","1") = "6"
    & skf21("4","2","5","1","2","7","2","1") = "6"
    & skf21("4","2","5","1","2","7","3","1") = "6"
    & skf21("4","2","5","1","2","7","4","1") = "6"
    & skf21("4","2","5","1","2","7","5","1") = "6"
    & skf21("4","2","5","1","2","7","6","1") = "6"
    & skf21("4","2","5","1","2","7","7","1") = "6"
    & skf21("4","2","5","1","3","1","1","1") = "4"
    & skf21("4","2","5","1","3","1","2","1") = "4"
    & skf21("4","2","5","1","3","1","3","1") = "4"
    & skf21("4","2","5","1","3","1","4","1") = "4"
    & skf21("4","2","5","1","3","1","5","1") = "4"
    & skf21("4","2","5","1","3","1","6","1") = "5"
    & skf21("4","2","5","1","3","1","7","1") = "6"
    & skf21("4","2","5","1","3","2","1","1") = "4"
    & skf21("4","2","5","1","3","2","2","1") = "4"
    & skf21("4","2","5","1","3","2","3","1") = "4"
    & skf21("4","2","5","1","3","2","4","1") = "4"
    & skf21("4","2","5","1","3","2","5","1") = "4"
    & skf21("4","2","5","1","3","2","6","1") = "5"
    & skf21("4","2","5","1","3","2","7","1") = "6"
    & skf21("4","2","5","1","3","3","1","1") = "4"
    & skf21("4","2","5","1","3","3","2","1") = "4"
    & skf21("4","2","5","1","3","3","3","1") = "4"
    & skf21("4","2","5","1","3","3","4","1") = "4"
    & skf21("4","2","5","1","3","3","5","1") = "4"
    & skf21("4","2","5","1","3","3","6","1") = "5"
    & skf21("4","2","5","1","3","3","7","1") = "6"
    & skf21("4","2","5","1","3","4","1","1") = "4"
    & skf21("4","2","5","1","3","4","2","1") = "4"
    & skf21("4","2","5","1","3","4","3","1") = "4"
    & skf21("4","2","5","1","3","4","4","1") = "4"
    & skf21("4","2","5","1","3","4","5","1") = "4"
    & skf21("4","2","5","1","3","4","6","1") = "5"
    & skf21("4","2","5","1","3","4","7","1") = "6"
    & skf21("4","2","5","1","3","5","1","1") = "4"
    & skf21("4","2","5","1","3","5","2","1") = "4"
    & skf21("4","2","5","1","3","5","3","1") = "4"
    & skf21("4","2","5","1","3","5","4","1") = "4"
    & skf21("4","2","5","1","3","5","5","1") = "4"
    & skf21("4","2","5","1","3","5","6","1") = "5"
    & skf21("4","2","5","1","3","5","7","1") = "6"
    & skf21("4","2","5","1","3","6","1","1") = "5"
    & skf21("4","2","5","1","3","6","2","1") = "5"
    & skf21("4","2","5","1","3","6","3","1") = "5"
    & skf21("4","2","5","1","3","6","4","1") = "5"
    & skf21("4","2","5","1","3","6","5","1") = "5"
    & skf21("4","2","5","1","3","6","6","1") = "5"
    & skf21("4","2","5","1","3","6","7","1") = "6"
    & skf21("4","2","5","1","3","7","1","1") = "6"
    & skf21("4","2","5","1","3","7","2","1") = "6"
    & skf21("4","2","5","1","3","7","3","1") = "6"
    & skf21("4","2","5","1","3","7","4","1") = "6"
    & skf21("4","2","5","1","3","7","5","1") = "6"
    & skf21("4","2","5","1","3","7","6","1") = "6"
    & skf21("4","2","5","1","3","7","7","1") = "6"
    & skf21("4","2","5","1","4","1","1","1") = "4"
    & skf21("4","2","5","1","4","1","2","1") = "4"
    & skf21("4","2","5","1","4","1","3","1") = "4"
    & skf21("4","2","5","1","4","1","4","1") = "4"
    & skf21("4","2","5","1","4","1","5","1") = "4"
    & skf21("4","2","5","1","4","1","6","1") = "5"
    & skf21("4","2","5","1","4","1","7","1") = "6"
    & skf21("4","2","5","1","4","2","1","1") = "4"
    & skf21("4","2","5","1","4","2","2","1") = "4"
    & skf21("4","2","5","1","4","2","3","1") = "4"
    & skf21("4","2","5","1","4","2","4","1") = "4"
    & skf21("4","2","5","1","4","2","5","1") = "4"
    & skf21("4","2","5","1","4","2","6","1") = "5"
    & skf21("4","2","5","1","4","2","7","1") = "6"
    & skf21("4","2","5","1","4","3","1","1") = "4"
    & skf21("4","2","5","1","4","3","2","1") = "4"
    & skf21("4","2","5","1","4","3","3","1") = "4"
    & skf21("4","2","5","1","4","3","4","1") = "4"
    & skf21("4","2","5","1","4","3","5","1") = "4"
    & skf21("4","2","5","1","4","3","6","1") = "5"
    & skf21("4","2","5","1","4","3","7","1") = "6"
    & skf21("4","2","5","1","4","4","1","1") = "4"
    & skf21("4","2","5","1","4","4","2","1") = "4"
    & skf21("4","2","5","1","4","4","3","1") = "4"
    & skf21("4","2","5","1","4","4","4","1") = "4"
    & skf21("4","2","5","1","4","4","5","1") = "4"
    & skf21("4","2","5","1","4","4","6","1") = "5"
    & skf21("4","2","5","1","4","4","7","1") = "6"
    & skf21("4","2","5","1","4","5","1","1") = "4"
    & skf21("4","2","5","1","4","5","2","1") = "4"
    & skf21("4","2","5","1","4","5","3","1") = "4"
    & skf21("4","2","5","1","4","5","4","1") = "4"
    & skf21("4","2","5","1","4","5","5","1") = "4"
    & skf21("4","2","5","1","4","5","6","1") = "5"
    & skf21("4","2","5","1","4","5","7","1") = "6"
    & skf21("4","2","5","1","4","6","1","1") = "5"
    & skf21("4","2","5","1","4","6","2","1") = "5"
    & skf21("4","2","5","1","4","6","3","1") = "5"
    & skf21("4","2","5","1","4","6","4","1") = "5"
    & skf21("4","2","5","1","4","6","5","1") = "5"
    & skf21("4","2","5","1","4","6","6","1") = "5"
    & skf21("4","2","5","1","4","6","7","1") = "6"
    & skf21("4","2","5","1","4","7","1","1") = "6"
    & skf21("4","2","5","1","4","7","2","1") = "6"
    & skf21("4","2","5","1","4","7","3","1") = "6"
    & skf21("4","2","5","1","4","7","4","1") = "6"
    & skf21("4","2","5","1","4","7","5","1") = "6"
    & skf21("4","2","5","1","4","7","6","1") = "6"
    & skf21("4","2","5","1","4","7","7","1") = "6"
    & skf21("4","2","5","1","5","1","1","1") = "4"
    & skf21("4","2","5","1","5","1","2","1") = "4"
    & skf21("4","2","5","1","5","1","3","1") = "4"
    & skf21("4","2","5","1","5","1","4","1") = "4"
    & skf21("4","2","5","1","5","1","5","1") = "4"
    & skf21("4","2","5","1","5","1","6","1") = "5"
    & skf21("4","2","5","1","5","1","7","1") = "6"
    & skf21("4","2","5","1","5","2","1","1") = "4"
    & skf21("4","2","5","1","5","2","2","1") = "4"
    & skf21("4","2","5","1","5","2","3","1") = "4"
    & skf21("4","2","5","1","5","2","4","1") = "4"
    & skf21("4","2","5","1","5","2","5","1") = "4"
    & skf21("4","2","5","1","5","2","6","1") = "5"
    & skf21("4","2","5","1","5","2","7","1") = "6"
    & skf21("4","2","5","1","5","3","1","1") = "4"
    & skf21("4","2","5","1","5","3","2","1") = "4"
    & skf21("4","2","5","1","5","3","3","1") = "4"
    & skf21("4","2","5","1","5","3","4","1") = "4"
    & skf21("4","2","5","1","5","3","5","1") = "4"
    & skf21("4","2","5","1","5","3","6","1") = "5"
    & skf21("4","2","5","1","5","3","7","1") = "6"
    & skf21("4","2","5","1","5","4","1","1") = "4"
    & skf21("4","2","5","1","5","4","2","1") = "4"
    & skf21("4","2","5","1","5","4","3","1") = "4"
    & skf21("4","2","5","1","5","4","4","1") = "4"
    & skf21("4","2","5","1","5","4","5","1") = "4"
    & skf21("4","2","5","1","5","4","6","1") = "5"
    & skf21("4","2","5","1","5","4","7","1") = "6"
    & skf21("4","2","5","1","5","5","1","1") = "4"
    & skf21("4","2","5","1","5","5","2","1") = "4"
    & skf21("4","2","5","1","5","5","3","1") = "4"
    & skf21("4","2","5","1","5","5","4","1") = "4"
    & skf21("4","2","5","1","5","5","5","1") = "4"
    & skf21("4","2","5","1","5","5","6","1") = "5"
    & skf21("4","2","5","1","5","5","7","1") = "6"
    & skf21("4","2","5","1","5","6","1","1") = "5"
    & skf21("4","2","5","1","5","6","2","1") = "5"
    & skf21("4","2","5","1","5","6","3","1") = "5"
    & skf21("4","2","5","1","5","6","4","1") = "5"
    & skf21("4","2","5","1","5","6","5","1") = "5"
    & skf21("4","2","5","1","5","6","6","1") = "5"
    & skf21("4","2","5","1","5","6","7","1") = "6"
    & skf21("4","2","5","1","5","7","1","1") = "6"
    & skf21("4","2","5","1","5","7","2","1") = "6"
    & skf21("4","2","5","1","5","7","3","1") = "6"
    & skf21("4","2","5","1","5","7","4","1") = "6"
    & skf21("4","2","5","1","5","7","5","1") = "6"
    & skf21("4","2","5","1","5","7","6","1") = "6"
    & skf21("4","2","5","1","5","7","7","1") = "6"
    & skf21("4","2","5","1","6","1","1","1") = "5"
    & skf21("4","2","5","1","6","1","2","1") = "5"
    & skf21("4","2","5","1","6","1","3","1") = "5"
    & skf21("4","2","5","1","6","1","4","1") = "5"
    & skf21("4","2","5","1","6","1","5","1") = "5"
    & skf21("4","2","5","1","6","1","6","1") = "5"
    & skf21("4","2","5","1","6","1","7","1") = "6"
    & skf21("4","2","5","1","6","2","1","1") = "5"
    & skf21("4","2","5","1","6","2","2","1") = "5"
    & skf21("4","2","5","1","6","2","3","1") = "5"
    & skf21("4","2","5","1","6","2","4","1") = "5"
    & skf21("4","2","5","1","6","2","5","1") = "5"
    & skf21("4","2","5","1","6","2","6","1") = "5"
    & skf21("4","2","5","1","6","2","7","1") = "6"
    & skf21("4","2","5","1","6","3","1","1") = "5"
    & skf21("4","2","5","1","6","3","2","1") = "5"
    & skf21("4","2","5","1","6","3","3","1") = "5"
    & skf21("4","2","5","1","6","3","4","1") = "5"
    & skf21("4","2","5","1","6","3","5","1") = "5"
    & skf21("4","2","5","1","6","3","6","1") = "5"
    & skf21("4","2","5","1","6","3","7","1") = "6"
    & skf21("4","2","5","1","6","4","1","1") = "5"
    & skf21("4","2","5","1","6","4","2","1") = "5"
    & skf21("4","2","5","1","6","4","3","1") = "5"
    & skf21("4","2","5","1","6","4","4","1") = "5"
    & skf21("4","2","5","1","6","4","5","1") = "5"
    & skf21("4","2","5","1","6","4","6","1") = "5"
    & skf21("4","2","5","1","6","4","7","1") = "6"
    & skf21("4","2","5","1","6","5","1","1") = "5"
    & skf21("4","2","5","1","6","5","2","1") = "5"
    & skf21("4","2","5","1","6","5","3","1") = "5"
    & skf21("4","2","5","1","6","5","4","1") = "5"
    & skf21("4","2","5","1","6","5","5","1") = "5"
    & skf21("4","2","5","1","6","5","6","1") = "5"
    & skf21("4","2","5","1","6","5","7","1") = "6"
    & skf21("4","2","5","1","6","6","1","1") = "5"
    & skf21("4","2","5","1","6","6","2","1") = "5"
    & skf21("4","2","5","1","6","6","3","1") = "5"
    & skf21("4","2","5","1","6","6","4","1") = "5"
    & skf21("4","2","5","1","6","6","5","1") = "5"
    & skf21("4","2","5","1","6","6","6","1") = "5"
    & skf21("4","2","5","1","6","6","7","1") = "6"
    & skf21("4","2","5","1","6","7","1","1") = "6"
    & skf21("4","2","5","1","6","7","2","1") = "6"
    & skf21("4","2","5","1","6","7","3","1") = "6"
    & skf21("4","2","5","1","6","7","4","1") = "6"
    & skf21("4","2","5","1","6","7","5","1") = "6"
    & skf21("4","2","5","1","6","7","6","1") = "6"
    & skf21("4","2","5","1","6","7","7","1") = "6"
    & skf21("4","2","5","1","7","1","1","1") = "6"
    & skf21("4","2","5","1","7","1","2","1") = "6"
    & skf21("4","2","5","1","7","1","3","1") = "6"
    & skf21("4","2","5","1","7","1","4","1") = "6"
    & skf21("4","2","5","1","7","1","5","1") = "6"
    & skf21("4","2","5","1","7","1","6","1") = "6"
    & skf21("4","2","5","1","7","1","7","1") = "6"
    & skf21("4","2","5","1","7","2","1","1") = "6"
    & skf21("4","2","5","1","7","2","2","1") = "6"
    & skf21("4","2","5","1","7","2","3","1") = "6"
    & skf21("4","2","5","1","7","2","4","1") = "6"
    & skf21("4","2","5","1","7","2","5","1") = "6"
    & skf21("4","2","5","1","7","2","6","1") = "6"
    & skf21("4","2","5","1","7","2","7","1") = "6"
    & skf21("4","2","5","1","7","3","1","1") = "6"
    & skf21("4","2","5","1","7","3","2","1") = "6"
    & skf21("4","2","5","1","7","3","3","1") = "6"
    & skf21("4","2","5","1","7","3","4","1") = "6"
    & skf21("4","2","5","1","7","3","5","1") = "6"
    & skf21("4","2","5","1","7","3","6","1") = "6"
    & skf21("4","2","5","1","7","3","7","1") = "6"
    & skf21("4","2","5","1","7","4","1","1") = "6"
    & skf21("4","2","5","1","7","4","2","1") = "6"
    & skf21("4","2","5","1","7","4","3","1") = "6"
    & skf21("4","2","5","1","7","4","4","1") = "6"
    & skf21("4","2","5","1","7","4","5","1") = "6"
    & skf21("4","2","5","1","7","4","6","1") = "6"
    & skf21("4","2","5","1","7","4","7","1") = "6"
    & skf21("4","2","5","1","7","5","1","1") = "6"
    & skf21("4","2","5","1","7","5","2","1") = "6"
    & skf21("4","2","5","1","7","5","3","1") = "6"
    & skf21("4","2","5","1","7","5","4","1") = "6"
    & skf21("4","2","5","1","7","5","5","1") = "6"
    & skf21("4","2","5","1","7","5","6","1") = "6"
    & skf21("4","2","5","1","7","5","7","1") = "6"
    & skf21("4","2","5","1","7","6","1","1") = "6"
    & skf21("4","2","5","1","7","6","2","1") = "6"
    & skf21("4","2","5","1","7","6","3","1") = "6"
    & skf21("4","2","5","1","7","6","4","1") = "6"
    & skf21("4","2","5","1","7","6","5","1") = "6"
    & skf21("4","2","5","1","7","6","6","1") = "6"
    & skf21("4","2","5","1","7","6","7","1") = "6"
    & skf21("4","2","5","1","7","7","1","1") = "6"
    & skf21("4","2","5","1","7","7","2","1") = "6"
    & skf21("4","2","5","1","7","7","3","1") = "6"
    & skf21("4","2","5","1","7","7","4","1") = "6"
    & skf21("4","2","5","1","7","7","5","1") = "6"
    & skf21("4","2","5","1","7","7","6","1") = "6"
    & skf21("4","2","5","1","7","7","7","1") = "6"
    & skf21("4","2","5","2","1","1","1","1") = "4"
    & skf21("4","2","5","2","1","1","2","1") = "4"
    & skf21("4","2","5","2","1","1","3","1") = "4"
    & skf21("4","2","5","2","1","1","4","1") = "4"
    & skf21("4","2","5","2","1","1","5","1") = "4"
    & skf21("4","2","5","2","1","1","6","1") = "5"
    & skf21("4","2","5","2","1","1","7","1") = "6"
    & skf21("4","2","5","2","1","2","1","1") = "4"
    & skf21("4","2","5","2","1","2","2","1") = "4"
    & skf21("4","2","5","2","1","2","3","1") = "4"
    & skf21("4","2","5","2","1","2","4","1") = "4"
    & skf21("4","2","5","2","1","2","5","1") = "4"
    & skf21("4","2","5","2","1","2","6","1") = "5"
    & skf21("4","2","5","2","1","2","7","1") = "6"
    & skf21("4","2","5","2","1","3","1","1") = "4"
    & skf21("4","2","5","2","1","3","2","1") = "4"
    & skf21("4","2","5","2","1","3","3","1") = "4"
    & skf21("4","2","5","2","1","3","4","1") = "4"
    & skf21("4","2","5","2","1","3","5","1") = "4"
    & skf21("4","2","5","2","1","3","6","1") = "5"
    & skf21("4","2","5","2","1","3","7","1") = "6"
    & skf21("4","2","5","2","1","4","1","1") = "4"
    & skf21("4","2","5","2","1","4","2","1") = "4"
    & skf21("4","2","5","2","1","4","3","1") = "4"
    & skf21("4","2","5","2","1","4","4","1") = "4"
    & skf21("4","2","5","2","1","4","5","1") = "4"
    & skf21("4","2","5","2","1","4","6","1") = "5"
    & skf21("4","2","5","2","1","4","7","1") = "6"
    & skf21("4","2","5","2","1","5","1","1") = "4"
    & skf21("4","2","5","2","1","5","2","1") = "4"
    & skf21("4","2","5","2","1","5","3","1") = "4"
    & skf21("4","2","5","2","1","5","4","1") = "4"
    & skf21("4","2","5","2","1","5","5","1") = "4"
    & skf21("4","2","5","2","1","5","6","1") = "5"
    & skf21("4","2","5","2","1","5","7","1") = "6"
    & skf21("4","2","5","2","1","6","1","1") = "5"
    & skf21("4","2","5","2","1","6","2","1") = "5"
    & skf21("4","2","5","2","1","6","3","1") = "5"
    & skf21("4","2","5","2","1","6","4","1") = "5"
    & skf21("4","2","5","2","1","6","5","1") = "5"
    & skf21("4","2","5","2","1","6","6","1") = "5"
    & skf21("4","2","5","2","1","6","7","1") = "6"
    & skf21("4","2","5","2","1","7","1","1") = "6"
    & skf21("4","2","5","2","1","7","2","1") = "6"
    & skf21("4","2","5","2","1","7","3","1") = "6"
    & skf21("4","2","5","2","1","7","4","1") = "6"
    & skf21("4","2","5","2","1","7","5","1") = "6"
    & skf21("4","2","5","2","1","7","6","1") = "6"
    & skf21("4","2","5","2","1","7","7","1") = "6"
    & skf21("4","2","5","2","2","1","1","1") = "4"
    & skf21("4","2","5","2","2","1","2","1") = "4"
    & skf21("4","2","5","2","2","1","3","1") = "4"
    & skf21("4","2","5","2","2","1","4","1") = "4"
    & skf21("4","2","5","2","2","1","5","1") = "4"
    & skf21("4","2","5","2","2","1","6","1") = "5"
    & skf21("4","2","5","2","2","1","7","1") = "6"
    & skf21("4","2","5","2","2","2","1","1") = "4"
    & skf21("4","2","5","2","2","2","2","1") = "4"
    & skf21("4","2","5","2","2","2","3","1") = "4"
    & skf21("4","2","5","2","2","2","4","1") = "4"
    & skf21("4","2","5","2","2","2","5","1") = "4"
    & skf21("4","2","5","2","2","2","6","1") = "5"
    & skf21("4","2","5","2","2","2","7","1") = "6"
    & skf21("4","2","5","2","2","3","1","1") = "4"
    & skf21("4","2","5","2","2","3","2","1") = "4"
    & skf21("4","2","5","2","2","3","3","1") = "4"
    & skf21("4","2","5","2","2","3","4","1") = "4"
    & skf21("4","2","5","2","2","3","5","1") = "4"
    & skf21("4","2","5","2","2","3","6","1") = "5"
    & skf21("4","2","5","2","2","3","7","1") = "6"
    & skf21("4","2","5","2","2","4","1","1") = "4"
    & skf21("4","2","5","2","2","4","2","1") = "4"
    & skf21("4","2","5","2","2","4","3","1") = "4"
    & skf21("4","2","5","2","2","4","4","1") = "4"
    & skf21("4","2","5","2","2","4","5","1") = "4"
    & skf21("4","2","5","2","2","4","6","1") = "5"
    & skf21("4","2","5","2","2","4","7","1") = "6"
    & skf21("4","2","5","2","2","5","1","1") = "4"
    & skf21("4","2","5","2","2","5","2","1") = "4"
    & skf21("4","2","5","2","2","5","3","1") = "4"
    & skf21("4","2","5","2","2","5","4","1") = "4"
    & skf21("4","2","5","2","2","5","5","1") = "4"
    & skf21("4","2","5","2","2","5","6","1") = "5"
    & skf21("4","2","5","2","2","5","7","1") = "6"
    & skf21("4","2","5","2","2","6","1","1") = "5"
    & skf21("4","2","5","2","2","6","2","1") = "5"
    & skf21("4","2","5","2","2","6","3","1") = "5"
    & skf21("4","2","5","2","2","6","4","1") = "5"
    & skf21("4","2","5","2","2","6","5","1") = "5"
    & skf21("4","2","5","2","2","6","6","1") = "5"
    & skf21("4","2","5","2","2","6","7","1") = "6"
    & skf21("4","2","5","2","2","7","1","1") = "6"
    & skf21("4","2","5","2","2","7","2","1") = "6"
    & skf21("4","2","5","2","2","7","3","1") = "6"
    & skf21("4","2","5","2","2","7","4","1") = "6"
    & skf21("4","2","5","2","2","7","5","1") = "6"
    & skf21("4","2","5","2","2","7","6","1") = "6"
    & skf21("4","2","5","2","2","7","7","1") = "6"
    & skf21("4","2","5","2","3","1","1","1") = "4"
    & skf21("4","2","5","2","3","1","2","1") = "4"
    & skf21("4","2","5","2","3","1","3","1") = "4"
    & skf21("4","2","5","2","3","1","4","1") = "4"
    & skf21("4","2","5","2","3","1","5","1") = "4"
    & skf21("4","2","5","2","3","1","6","1") = "5"
    & skf21("4","2","5","2","3","1","7","1") = "6"
    & skf21("4","2","5","2","3","2","1","1") = "4"
    & skf21("4","2","5","2","3","2","2","1") = "4"
    & skf21("4","2","5","2","3","2","3","1") = "4"
    & skf21("4","2","5","2","3","2","4","1") = "4"
    & skf21("4","2","5","2","3","2","5","1") = "4"
    & skf21("4","2","5","2","3","2","6","1") = "5"
    & skf21("4","2","5","2","3","2","7","1") = "6"
    & skf21("4","2","5","2","3","3","1","1") = "4"
    & skf21("4","2","5","2","3","3","2","1") = "4"
    & skf21("4","2","5","2","3","3","3","1") = "4"
    & skf21("4","2","5","2","3","3","4","1") = "4"
    & skf21("4","2","5","2","3","3","5","1") = "4"
    & skf21("4","2","5","2","3","3","6","1") = "5"
    & skf21("4","2","5","2","3","3","7","1") = "6"
    & skf21("4","2","5","2","3","4","1","1") = "4"
    & skf21("4","2","5","2","3","4","2","1") = "4"
    & skf21("4","2","5","2","3","4","3","1") = "4"
    & skf21("4","2","5","2","3","4","4","1") = "4"
    & skf21("4","2","5","2","3","4","5","1") = "4"
    & skf21("4","2","5","2","3","4","6","1") = "5"
    & skf21("4","2","5","2","3","4","7","1") = "6"
    & skf21("4","2","5","2","3","5","1","1") = "4"
    & skf21("4","2","5","2","3","5","2","1") = "4"
    & skf21("4","2","5","2","3","5","3","1") = "4"
    & skf21("4","2","5","2","3","5","4","1") = "4"
    & skf21("4","2","5","2","3","5","5","1") = "4"
    & skf21("4","2","5","2","3","5","6","1") = "5"
    & skf21("4","2","5","2","3","5","7","1") = "6"
    & skf21("4","2","5","2","3","6","1","1") = "5"
    & skf21("4","2","5","2","3","6","2","1") = "5"
    & skf21("4","2","5","2","3","6","3","1") = "5"
    & skf21("4","2","5","2","3","6","4","1") = "5"
    & skf21("4","2","5","2","3","6","5","1") = "5"
    & skf21("4","2","5","2","3","6","6","1") = "5"
    & skf21("4","2","5","2","3","6","7","1") = "6"
    & skf21("4","2","5","2","3","7","1","1") = "6"
    & skf21("4","2","5","2","3","7","2","1") = "6"
    & skf21("4","2","5","2","3","7","3","1") = "6"
    & skf21("4","2","5","2","3","7","4","1") = "6"
    & skf21("4","2","5","2","3","7","5","1") = "6"
    & skf21("4","2","5","2","3","7","6","1") = "6"
    & skf21("4","2","5","2","3","7","7","1") = "6"
    & skf21("4","2","5","2","4","1","1","1") = "4"
    & skf21("4","2","5","2","4","1","2","1") = "4"
    & skf21("4","2","5","2","4","1","3","1") = "4"
    & skf21("4","2","5","2","4","1","4","1") = "4"
    & skf21("4","2","5","2","4","1","5","1") = "4"
    & skf21("4","2","5","2","4","1","6","1") = "5"
    & skf21("4","2","5","2","4","1","7","1") = "6"
    & skf21("4","2","5","2","4","2","1","1") = "4"
    & skf21("4","2","5","2","4","2","2","1") = "4"
    & skf21("4","2","5","2","4","2","3","1") = "4"
    & skf21("4","2","5","2","4","2","4","1") = "4"
    & skf21("4","2","5","2","4","2","5","1") = "4"
    & skf21("4","2","5","2","4","2","6","1") = "5"
    & skf21("4","2","5","2","4","2","7","1") = "6"
    & skf21("4","2","5","2","4","3","1","1") = "4"
    & skf21("4","2","5","2","4","3","2","1") = "4"
    & skf21("4","2","5","2","4","3","3","1") = "4"
    & skf21("4","2","5","2","4","3","4","1") = "4"
    & skf21("4","2","5","2","4","3","5","1") = "4"
    & skf21("4","2","5","2","4","3","6","1") = "5"
    & skf21("4","2","5","2","4","3","7","1") = "6"
    & skf21("4","2","5","2","4","4","1","1") = "4"
    & skf21("4","2","5","2","4","4","2","1") = "4"
    & skf21("4","2","5","2","4","4","3","1") = "4"
    & skf21("4","2","5","2","4","4","4","1") = "4"
    & skf21("4","2","5","2","4","4","5","1") = "4"
    & skf21("4","2","5","2","4","4","6","1") = "5"
    & skf21("4","2","5","2","4","4","7","1") = "6"
    & skf21("4","2","5","2","4","5","1","1") = "4"
    & skf21("4","2","5","2","4","5","2","1") = "4"
    & skf21("4","2","5","2","4","5","3","1") = "4"
    & skf21("4","2","5","2","4","5","4","1") = "4"
    & skf21("4","2","5","2","4","5","5","1") = "4"
    & skf21("4","2","5","2","4","5","6","1") = "5"
    & skf21("4","2","5","2","4","5","7","1") = "6"
    & skf21("4","2","5","2","4","6","1","1") = "5"
    & skf21("4","2","5","2","4","6","2","1") = "5"
    & skf21("4","2","5","2","4","6","3","1") = "5"
    & skf21("4","2","5","2","4","6","4","1") = "5"
    & skf21("4","2","5","2","4","6","5","1") = "5"
    & skf21("4","2","5","2","4","6","6","1") = "5"
    & skf21("4","2","5","2","4","6","7","1") = "6"
    & skf21("4","2","5","2","4","7","1","1") = "6"
    & skf21("4","2","5","2","4","7","2","1") = "6"
    & skf21("4","2","5","2","4","7","3","1") = "6"
    & skf21("4","2","5","2","4","7","4","1") = "6"
    & skf21("4","2","5","2","4","7","5","1") = "6"
    & skf21("4","2","5","2","4","7","6","1") = "6"
    & skf21("4","2","5","2","4","7","7","1") = "6"
    & skf21("4","2","5","2","5","1","1","1") = "4"
    & skf21("4","2","5","2","5","1","2","1") = "4"
    & skf21("4","2","5","2","5","1","3","1") = "4"
    & skf21("4","2","5","2","5","1","4","1") = "4"
    & skf21("4","2","5","2","5","1","5","1") = "4"
    & skf21("4","2","5","2","5","1","6","1") = "5"
    & skf21("4","2","5","2","5","1","7","1") = "6"
    & skf21("4","2","5","2","5","2","1","1") = "4"
    & skf21("4","2","5","2","5","2","2","1") = "4"
    & skf21("4","2","5","2","5","2","3","1") = "4"
    & skf21("4","2","5","2","5","2","4","1") = "4"
    & skf21("4","2","5","2","5","2","5","1") = "4"
    & skf21("4","2","5","2","5","2","6","1") = "5"
    & skf21("4","2","5","2","5","2","7","1") = "6"
    & skf21("4","2","5","2","5","3","1","1") = "4"
    & skf21("4","2","5","2","5","3","2","1") = "4"
    & skf21("4","2","5","2","5","3","3","1") = "4"
    & skf21("4","2","5","2","5","3","4","1") = "4"
    & skf21("4","2","5","2","5","3","5","1") = "4"
    & skf21("4","2","5","2","5","3","6","1") = "5"
    & skf21("4","2","5","2","5","3","7","1") = "6"
    & skf21("4","2","5","2","5","4","1","1") = "4"
    & skf21("4","2","5","2","5","4","2","1") = "4"
    & skf21("4","2","5","2","5","4","3","1") = "4"
    & skf21("4","2","5","2","5","4","4","1") = "4"
    & skf21("4","2","5","2","5","4","5","1") = "4"
    & skf21("4","2","5","2","5","4","6","1") = "5"
    & skf21("4","2","5","2","5","4","7","1") = "6"
    & skf21("4","2","5","2","5","5","1","1") = "4"
    & skf21("4","2","5","2","5","5","2","1") = "4"
    & skf21("4","2","5","2","5","5","3","1") = "4"
    & skf21("4","2","5","2","5","5","4","1") = "4"
    & skf21("4","2","5","2","5","5","5","1") = "4"
    & skf21("4","2","5","2","5","5","6","1") = "5"
    & skf21("4","2","5","2","5","5","7","1") = "6"
    & skf21("4","2","5","2","5","6","1","1") = "5"
    & skf21("4","2","5","2","5","6","2","1") = "5"
    & skf21("4","2","5","2","5","6","3","1") = "5"
    & skf21("4","2","5","2","5","6","4","1") = "5"
    & skf21("4","2","5","2","5","6","5","1") = "5"
    & skf21("4","2","5","2","5","6","6","1") = "5"
    & skf21("4","2","5","2","5","6","7","1") = "6"
    & skf21("4","2","5","2","5","7","1","1") = "6"
    & skf21("4","2","5","2","5","7","2","1") = "6"
    & skf21("4","2","5","2","5","7","3","1") = "6"
    & skf21("4","2","5","2","5","7","4","1") = "6"
    & skf21("4","2","5","2","5","7","5","1") = "6"
    & skf21("4","2","5","2","5","7","6","1") = "6"
    & skf21("4","2","5","2","5","7","7","1") = "6"
    & skf21("4","2","5","2","6","1","1","1") = "5"
    & skf21("4","2","5","2","6","1","2","1") = "5"
    & skf21("4","2","5","2","6","1","3","1") = "5"
    & skf21("4","2","5","2","6","1","4","1") = "5"
    & skf21("4","2","5","2","6","1","5","1") = "5"
    & skf21("4","2","5","2","6","1","6","1") = "5"
    & skf21("4","2","5","2","6","1","7","1") = "6"
    & skf21("4","2","5","2","6","2","1","1") = "5"
    & skf21("4","2","5","2","6","2","2","1") = "5"
    & skf21("4","2","5","2","6","2","3","1") = "5"
    & skf21("4","2","5","2","6","2","4","1") = "5"
    & skf21("4","2","5","2","6","2","5","1") = "5"
    & skf21("4","2","5","2","6","2","6","1") = "5"
    & skf21("4","2","5","2","6","2","7","1") = "6"
    & skf21("4","2","5","2","6","3","1","1") = "5"
    & skf21("4","2","5","2","6","3","2","1") = "5"
    & skf21("4","2","5","2","6","3","3","1") = "5"
    & skf21("4","2","5","2","6","3","4","1") = "5"
    & skf21("4","2","5","2","6","3","5","1") = "5"
    & skf21("4","2","5","2","6","3","6","1") = "5"
    & skf21("4","2","5","2","6","3","7","1") = "6"
    & skf21("4","2","5","2","6","4","1","1") = "5"
    & skf21("4","2","5","2","6","4","2","1") = "5"
    & skf21("4","2","5","2","6","4","3","1") = "5"
    & skf21("4","2","5","2","6","4","4","1") = "5"
    & skf21("4","2","5","2","6","4","5","1") = "5"
    & skf21("4","2","5","2","6","4","6","1") = "5"
    & skf21("4","2","5","2","6","4","7","1") = "6"
    & skf21("4","2","5","2","6","5","1","1") = "5"
    & skf21("4","2","5","2","6","5","2","1") = "5"
    & skf21("4","2","5","2","6","5","3","1") = "5"
    & skf21("4","2","5","2","6","5","4","1") = "5"
    & skf21("4","2","5","2","6","5","5","1") = "5"
    & skf21("4","2","5","2","6","5","6","1") = "5"
    & skf21("4","2","5","2","6","5","7","1") = "6"
    & skf21("4","2","5","2","6","6","1","1") = "5"
    & skf21("4","2","5","2","6","6","2","1") = "5"
    & skf21("4","2","5","2","6","6","3","1") = "5"
    & skf21("4","2","5","2","6","6","4","1") = "5"
    & skf21("4","2","5","2","6","6","5","1") = "5"
    & skf21("4","2","5","2","6","6","6","1") = "5"
    & skf21("4","2","5","2","6","6","7","1") = "6"
    & skf21("4","2","5","2","6","7","1","1") = "6"
    & skf21("4","2","5","2","6","7","2","1") = "6"
    & skf21("4","2","5","2","6","7","3","1") = "6"
    & skf21("4","2","5","2","6","7","4","1") = "6"
    & skf21("4","2","5","2","6","7","5","1") = "6"
    & skf21("4","2","5","2","6","7","6","1") = "6"
    & skf21("4","2","5","2","6","7","7","1") = "6"
    & skf21("4","2","5","2","7","1","1","1") = "6"
    & skf21("4","2","5","2","7","1","2","1") = "6"
    & skf21("4","2","5","2","7","1","3","1") = "6"
    & skf21("4","2","5","2","7","1","4","1") = "6"
    & skf21("4","2","5","2","7","1","5","1") = "6"
    & skf21("4","2","5","2","7","1","6","1") = "6"
    & skf21("4","2","5","2","7","1","7","1") = "6"
    & skf21("4","2","5","2","7","2","1","1") = "6"
    & skf21("4","2","5","2","7","2","2","1") = "6"
    & skf21("4","2","5","2","7","2","3","1") = "6"
    & skf21("4","2","5","2","7","2","4","1") = "6"
    & skf21("4","2","5","2","7","2","5","1") = "6"
    & skf21("4","2","5","2","7","2","6","1") = "6"
    & skf21("4","2","5","2","7","2","7","1") = "6"
    & skf21("4","2","5","2","7","3","1","1") = "6"
    & skf21("4","2","5","2","7","3","2","1") = "6"
    & skf21("4","2","5","2","7","3","3","1") = "6"
    & skf21("4","2","5","2","7","3","4","1") = "6"
    & skf21("4","2","5","2","7","3","5","1") = "6"
    & skf21("4","2","5","2","7","3","6","1") = "6"
    & skf21("4","2","5","2","7","3","7","1") = "6"
    & skf21("4","2","5","2","7","4","1","1") = "6"
    & skf21("4","2","5","2","7","4","2","1") = "6"
    & skf21("4","2","5","2","7","4","3","1") = "6"
    & skf21("4","2","5","2","7","4","4","1") = "6"
    & skf21("4","2","5","2","7","4","5","1") = "6"
    & skf21("4","2","5","2","7","4","6","1") = "6"
    & skf21("4","2","5","2","7","4","7","1") = "6"
    & skf21("4","2","5","2","7","5","1","1") = "6"
    & skf21("4","2","5","2","7","5","2","1") = "6"
    & skf21("4","2","5","2","7","5","3","1") = "6"
    & skf21("4","2","5","2","7","5","4","1") = "6"
    & skf21("4","2","5","2","7","5","5","1") = "6"
    & skf21("4","2","5","2","7","5","6","1") = "6"
    & skf21("4","2","5","2","7","5","7","1") = "6"
    & skf21("4","2","5","2","7","6","1","1") = "6"
    & skf21("4","2","5","2","7","6","2","1") = "6"
    & skf21("4","2","5","2","7","6","3","1") = "6"
    & skf21("4","2","5","2","7","6","4","1") = "6"
    & skf21("4","2","5","2","7","6","5","1") = "6"
    & skf21("4","2","5","2","7","6","6","1") = "6"
    & skf21("4","2","5","2","7","6","7","1") = "6"
    & skf21("4","2","5","2","7","7","1","1") = "6"
    & skf21("4","2","5","2","7","7","2","1") = "6"
    & skf21("4","2","5","2","7","7","3","1") = "6"
    & skf21("4","2","5","2","7","7","4","1") = "6"
    & skf21("4","2","5","2","7","7","5","1") = "6"
    & skf21("4","2","5","2","7","7","6","1") = "6"
    & skf21("4","2","5","2","7","7","7","1") = "6"
    & skf21("4","2","5","3","1","1","1","1") = "4"
    & skf21("4","2","5","3","1","1","2","1") = "4"
    & skf21("4","2","5","3","1","1","3","1") = "4"
    & skf21("4","2","5","3","1","1","4","1") = "4"
    & skf21("4","2","5","3","1","1","5","1") = "4"
    & skf21("4","2","5","3","1","1","6","1") = "5"
    & skf21("4","2","5","3","1","1","7","1") = "6"
    & skf21("4","2","5","3","1","2","1","1") = "4"
    & skf21("4","2","5","3","1","2","2","1") = "4"
    & skf21("4","2","5","3","1","2","3","1") = "4"
    & skf21("4","2","5","3","1","2","4","1") = "4"
    & skf21("4","2","5","3","1","2","5","1") = "4"
    & skf21("4","2","5","3","1","2","6","1") = "5"
    & skf21("4","2","5","3","1","2","7","1") = "6"
    & skf21("4","2","5","3","1","3","1","1") = "4"
    & skf21("4","2","5","3","1","3","2","1") = "4"
    & skf21("4","2","5","3","1","3","3","1") = "4"
    & skf21("4","2","5","3","1","3","4","1") = "4"
    & skf21("4","2","5","3","1","3","5","1") = "4"
    & skf21("4","2","5","3","1","3","6","1") = "5"
    & skf21("4","2","5","3","1","3","7","1") = "6"
    & skf21("4","2","5","3","1","4","1","1") = "4"
    & skf21("4","2","5","3","1","4","2","1") = "4"
    & skf21("4","2","5","3","1","4","3","1") = "4"
    & skf21("4","2","5","3","1","4","4","1") = "4"
    & skf21("4","2","5","3","1","4","5","1") = "4"
    & skf21("4","2","5","3","1","4","6","1") = "5"
    & skf21("4","2","5","3","1","4","7","1") = "6"
    & skf21("4","2","5","3","1","5","1","1") = "4"
    & skf21("4","2","5","3","1","5","2","1") = "4"
    & skf21("4","2","5","3","1","5","3","1") = "4"
    & skf21("4","2","5","3","1","5","4","1") = "4"
    & skf21("4","2","5","3","1","5","5","1") = "4"
    & skf21("4","2","5","3","1","5","6","1") = "5"
    & skf21("4","2","5","3","1","5","7","1") = "6"
    & skf21("4","2","5","3","1","6","1","1") = "5"
    & skf21("4","2","5","3","1","6","2","1") = "5"
    & skf21("4","2","5","3","1","6","3","1") = "5"
    & skf21("4","2","5","3","1","6","4","1") = "5"
    & skf21("4","2","5","3","1","6","5","1") = "5"
    & skf21("4","2","5","3","1","6","6","1") = "5"
    & skf21("4","2","5","3","1","6","7","1") = "6"
    & skf21("4","2","5","3","1","7","1","1") = "6"
    & skf21("4","2","5","3","1","7","2","1") = "6"
    & skf21("4","2","5","3","1","7","3","1") = "6"
    & skf21("4","2","5","3","1","7","4","1") = "6"
    & skf21("4","2","5","3","1","7","5","1") = "6"
    & skf21("4","2","5","3","1","7","6","1") = "6"
    & skf21("4","2","5","3","1","7","7","1") = "6"
    & skf21("4","2","5","3","2","1","1","1") = "4"
    & skf21("4","2","5","3","2","1","2","1") = "4"
    & skf21("4","2","5","3","2","1","3","1") = "4"
    & skf21("4","2","5","3","2","1","4","1") = "4"
    & skf21("4","2","5","3","2","1","5","1") = "4"
    & skf21("4","2","5","3","2","1","6","1") = "5"
    & skf21("4","2","5","3","2","1","7","1") = "6"
    & skf21("4","2","5","3","2","2","1","1") = "4"
    & skf21("4","2","5","3","2","2","2","1") = "4"
    & skf21("4","2","5","3","2","2","3","1") = "4"
    & skf21("4","2","5","3","2","2","4","1") = "4"
    & skf21("4","2","5","3","2","2","5","1") = "4"
    & skf21("4","2","5","3","2","2","6","1") = "5"
    & skf21("4","2","5","3","2","2","7","1") = "6"
    & skf21("4","2","5","3","2","3","1","1") = "4"
    & skf21("4","2","5","3","2","3","2","1") = "4"
    & skf21("4","2","5","3","2","3","3","1") = "4"
    & skf21("4","2","5","3","2","3","4","1") = "4"
    & skf21("4","2","5","3","2","3","5","1") = "4"
    & skf21("4","2","5","3","2","3","6","1") = "5"
    & skf21("4","2","5","3","2","3","7","1") = "6"
    & skf21("4","2","5","3","2","4","1","1") = "4"
    & skf21("4","2","5","3","2","4","2","1") = "4"
    & skf21("4","2","5","3","2","4","3","1") = "4"
    & skf21("4","2","5","3","2","4","4","1") = "4"
    & skf21("4","2","5","3","2","4","5","1") = "4"
    & skf21("4","2","5","3","2","4","6","1") = "5"
    & skf21("4","2","5","3","2","4","7","1") = "6"
    & skf21("4","2","5","3","2","5","1","1") = "4"
    & skf21("4","2","5","3","2","5","2","1") = "4"
    & skf21("4","2","5","3","2","5","3","1") = "4"
    & skf21("4","2","5","3","2","5","4","1") = "4"
    & skf21("4","2","5","3","2","5","5","1") = "4"
    & skf21("4","2","5","3","2","5","6","1") = "5"
    & skf21("4","2","5","3","2","5","7","1") = "6"
    & skf21("4","2","5","3","2","6","1","1") = "5"
    & skf21("4","2","5","3","2","6","2","1") = "5"
    & skf21("4","2","5","3","2","6","3","1") = "5"
    & skf21("4","2","5","3","2","6","4","1") = "5"
    & skf21("4","2","5","3","2","6","5","1") = "5"
    & skf21("4","2","5","3","2","6","6","1") = "5"
    & skf21("4","2","5","3","2","6","7","1") = "6"
    & skf21("4","2","5","3","2","7","1","1") = "6"
    & skf21("4","2","5","3","2","7","2","1") = "6"
    & skf21("4","2","5","3","2","7","3","1") = "6"
    & skf21("4","2","5","3","2","7","4","1") = "6"
    & skf21("4","2","5","3","2","7","5","1") = "6"
    & skf21("4","2","5","3","2","7","6","1") = "6"
    & skf21("4","2","5","3","2","7","7","1") = "6"
    & skf21("4","2","5","3","3","1","1","1") = "4"
    & skf21("4","2","5","3","3","1","2","1") = "4"
    & skf21("4","2","5","3","3","1","3","1") = "4"
    & skf21("4","2","5","3","3","1","4","1") = "4"
    & skf21("4","2","5","3","3","1","5","1") = "4"
    & skf21("4","2","5","3","3","1","6","1") = "5"
    & skf21("4","2","5","3","3","1","7","1") = "6"
    & skf21("4","2","5","3","3","2","1","1") = "4"
    & skf21("4","2","5","3","3","2","2","1") = "4"
    & skf21("4","2","5","3","3","2","3","1") = "4"
    & skf21("4","2","5","3","3","2","4","1") = "4"
    & skf21("4","2","5","3","3","2","5","1") = "4"
    & skf21("4","2","5","3","3","2","6","1") = "5"
    & skf21("4","2","5","3","3","2","7","1") = "6"
    & skf21("4","2","5","3","3","3","1","1") = "4"
    & skf21("4","2","5","3","3","3","2","1") = "4"
    & skf21("4","2","5","3","3","3","3","1") = "4"
    & skf21("4","2","5","3","3","3","4","1") = "4"
    & skf21("4","2","5","3","3","3","5","1") = "4"
    & skf21("4","2","5","3","3","3","6","1") = "5"
    & skf21("4","2","5","3","3","3","7","1") = "6"
    & skf21("4","2","5","3","3","4","1","1") = "4"
    & skf21("4","2","5","3","3","4","2","1") = "4"
    & skf21("4","2","5","3","3","4","3","1") = "4"
    & skf21("4","2","5","3","3","4","4","1") = "4"
    & skf21("4","2","5","3","3","4","5","1") = "4"
    & skf21("4","2","5","3","3","4","6","1") = "5"
    & skf21("4","2","5","3","3","4","7","1") = "6"
    & skf21("4","2","5","3","3","5","1","1") = "4"
    & skf21("4","2","5","3","3","5","2","1") = "4"
    & skf21("4","2","5","3","3","5","3","1") = "4"
    & skf21("4","2","5","3","3","5","4","1") = "4"
    & skf21("4","2","5","3","3","5","5","1") = "4"
    & skf21("4","2","5","3","3","5","6","1") = "5"
    & skf21("4","2","5","3","3","5","7","1") = "6"
    & skf21("4","2","5","3","3","6","1","1") = "5"
    & skf21("4","2","5","3","3","6","2","1") = "5"
    & skf21("4","2","5","3","3","6","3","1") = "5"
    & skf21("4","2","5","3","3","6","4","1") = "5"
    & skf21("4","2","5","3","3","6","5","1") = "5"
    & skf21("4","2","5","3","3","6","6","1") = "5"
    & skf21("4","2","5","3","3","6","7","1") = "6"
    & skf21("4","2","5","3","3","7","1","1") = "6"
    & skf21("4","2","5","3","3","7","2","1") = "6"
    & skf21("4","2","5","3","3","7","3","1") = "6"
    & skf21("4","2","5","3","3","7","4","1") = "6"
    & skf21("4","2","5","3","3","7","5","1") = "6"
    & skf21("4","2","5","3","3","7","6","1") = "6"
    & skf21("4","2","5","3","3","7","7","1") = "6"
    & skf21("4","2","5","3","4","1","1","1") = "4"
    & skf21("4","2","5","3","4","1","2","1") = "4"
    & skf21("4","2","5","3","4","1","3","1") = "4"
    & skf21("4","2","5","3","4","1","4","1") = "4"
    & skf21("4","2","5","3","4","1","5","1") = "4"
    & skf21("4","2","5","3","4","1","6","1") = "5"
    & skf21("4","2","5","3","4","1","7","1") = "6"
    & skf21("4","2","5","3","4","2","1","1") = "4"
    & skf21("4","2","5","3","4","2","2","1") = "4"
    & skf21("4","2","5","3","4","2","3","1") = "4"
    & skf21("4","2","5","3","4","2","4","1") = "4"
    & skf21("4","2","5","3","4","2","5","1") = "4"
    & skf21("4","2","5","3","4","2","6","1") = "5"
    & skf21("4","2","5","3","4","2","7","1") = "6"
    & skf21("4","2","5","3","4","3","1","1") = "4"
    & skf21("4","2","5","3","4","3","2","1") = "4"
    & skf21("4","2","5","3","4","3","3","1") = "4"
    & skf21("4","2","5","3","4","3","4","1") = "4"
    & skf21("4","2","5","3","4","3","5","1") = "4"
    & skf21("4","2","5","3","4","3","6","1") = "5"
    & skf21("4","2","5","3","4","3","7","1") = "6"
    & skf21("4","2","5","3","4","4","1","1") = "4"
    & skf21("4","2","5","3","4","4","2","1") = "4"
    & skf21("4","2","5","3","4","4","3","1") = "4"
    & skf21("4","2","5","3","4","4","4","1") = "4"
    & skf21("4","2","5","3","4","4","5","1") = "4"
    & skf21("4","2","5","3","4","4","6","1") = "5"
    & skf21("4","2","5","3","4","4","7","1") = "6"
    & skf21("4","2","5","3","4","5","1","1") = "4"
    & skf21("4","2","5","3","4","5","2","1") = "4"
    & skf21("4","2","5","3","4","5","3","1") = "4"
    & skf21("4","2","5","3","4","5","4","1") = "4"
    & skf21("4","2","5","3","4","5","5","1") = "4"
    & skf21("4","2","5","3","4","5","6","1") = "5"
    & skf21("4","2","5","3","4","5","7","1") = "6"
    & skf21("4","2","5","3","4","6","1","1") = "5"
    & skf21("4","2","5","3","4","6","2","1") = "5"
    & skf21("4","2","5","3","4","6","3","1") = "5"
    & skf21("4","2","5","3","4","6","4","1") = "5"
    & skf21("4","2","5","3","4","6","5","1") = "5"
    & skf21("4","2","5","3","4","6","6","1") = "5"
    & skf21("4","2","5","3","4","6","7","1") = "6"
    & skf21("4","2","5","3","4","7","1","1") = "6"
    & skf21("4","2","5","3","4","7","2","1") = "6"
    & skf21("4","2","5","3","4","7","3","1") = "6"
    & skf21("4","2","5","3","4","7","4","1") = "6"
    & skf21("4","2","5","3","4","7","5","1") = "6"
    & skf21("4","2","5","3","4","7","6","1") = "6"
    & skf21("4","2","5","3","4","7","7","1") = "6"
    & skf21("4","2","5","3","5","1","1","1") = "4"
    & skf21("4","2","5","3","5","1","2","1") = "4"
    & skf21("4","2","5","3","5","1","3","1") = "4"
    & skf21("4","2","5","3","5","1","4","1") = "4"
    & skf21("4","2","5","3","5","1","5","1") = "4"
    & skf21("4","2","5","3","5","1","6","1") = "5"
    & skf21("4","2","5","3","5","1","7","1") = "6"
    & skf21("4","2","5","3","5","2","1","1") = "4"
    & skf21("4","2","5","3","5","2","2","1") = "4"
    & skf21("4","2","5","3","5","2","3","1") = "4"
    & skf21("4","2","5","3","5","2","4","1") = "4"
    & skf21("4","2","5","3","5","2","5","1") = "4"
    & skf21("4","2","5","3","5","2","6","1") = "5"
    & skf21("4","2","5","3","5","2","7","1") = "6"
    & skf21("4","2","5","3","5","3","1","1") = "4"
    & skf21("4","2","5","3","5","3","2","1") = "4"
    & skf21("4","2","5","3","5","3","3","1") = "4"
    & skf21("4","2","5","3","5","3","4","1") = "4"
    & skf21("4","2","5","3","5","3","5","1") = "4"
    & skf21("4","2","5","3","5","3","6","1") = "5"
    & skf21("4","2","5","3","5","3","7","1") = "6"
    & skf21("4","2","5","3","5","4","1","1") = "4"
    & skf21("4","2","5","3","5","4","2","1") = "4"
    & skf21("4","2","5","3","5","4","3","1") = "4"
    & skf21("4","2","5","3","5","4","4","1") = "4"
    & skf21("4","2","5","3","5","4","5","1") = "4"
    & skf21("4","2","5","3","5","4","6","1") = "5"
    & skf21("4","2","5","3","5","4","7","1") = "6"
    & skf21("4","2","5","3","5","5","1","1") = "4"
    & skf21("4","2","5","3","5","5","2","1") = "4"
    & skf21("4","2","5","3","5","5","3","1") = "4"
    & skf21("4","2","5","3","5","5","4","1") = "4"
    & skf21("4","2","5","3","5","5","5","1") = "4"
    & skf21("4","2","5","3","5","5","6","1") = "5"
    & skf21("4","2","5","3","5","5","7","1") = "6"
    & skf21("4","2","5","3","5","6","1","1") = "5"
    & skf21("4","2","5","3","5","6","2","1") = "5"
    & skf21("4","2","5","3","5","6","3","1") = "5"
    & skf21("4","2","5","3","5","6","4","1") = "5"
    & skf21("4","2","5","3","5","6","5","1") = "5"
    & skf21("4","2","5","3","5","6","6","1") = "5"
    & skf21("4","2","5","3","5","6","7","1") = "6"
    & skf21("4","2","5","3","5","7","1","1") = "6"
    & skf21("4","2","5","3","5","7","2","1") = "6"
    & skf21("4","2","5","3","5","7","3","1") = "6"
    & skf21("4","2","5","3","5","7","4","1") = "6"
    & skf21("4","2","5","3","5","7","5","1") = "6"
    & skf21("4","2","5","3","5","7","6","1") = "6"
    & skf21("4","2","5","3","5","7","7","1") = "6"
    & skf21("4","2","5","3","6","1","1","1") = "5"
    & skf21("4","2","5","3","6","1","2","1") = "5"
    & skf21("4","2","5","3","6","1","3","1") = "5"
    & skf21("4","2","5","3","6","1","4","1") = "5"
    & skf21("4","2","5","3","6","1","5","1") = "5"
    & skf21("4","2","5","3","6","1","6","1") = "5"
    & skf21("4","2","5","3","6","1","7","1") = "6"
    & skf21("4","2","5","3","6","2","1","1") = "5"
    & skf21("4","2","5","3","6","2","2","1") = "5"
    & skf21("4","2","5","3","6","2","3","1") = "5"
    & skf21("4","2","5","3","6","2","4","1") = "5"
    & skf21("4","2","5","3","6","2","5","1") = "5"
    & skf21("4","2","5","3","6","2","6","1") = "5"
    & skf21("4","2","5","3","6","2","7","1") = "6"
    & skf21("4","2","5","3","6","3","1","1") = "5"
    & skf21("4","2","5","3","6","3","2","1") = "5"
    & skf21("4","2","5","3","6","3","3","1") = "5"
    & skf21("4","2","5","3","6","3","4","1") = "5"
    & skf21("4","2","5","3","6","3","5","1") = "5"
    & skf21("4","2","5","3","6","3","6","1") = "5"
    & skf21("4","2","5","3","6","3","7","1") = "6"
    & skf21("4","2","5","3","6","4","1","1") = "5"
    & skf21("4","2","5","3","6","4","2","1") = "5"
    & skf21("4","2","5","3","6","4","3","1") = "5"
    & skf21("4","2","5","3","6","4","4","1") = "5"
    & skf21("4","2","5","3","6","4","5","1") = "5"
    & skf21("4","2","5","3","6","4","6","1") = "5"
    & skf21("4","2","5","3","6","4","7","1") = "6"
    & skf21("4","2","5","3","6","5","1","1") = "5"
    & skf21("4","2","5","3","6","5","2","1") = "5"
    & skf21("4","2","5","3","6","5","3","1") = "5"
    & skf21("4","2","5","3","6","5","4","1") = "5"
    & skf21("4","2","5","3","6","5","5","1") = "5"
    & skf21("4","2","5","3","6","5","6","1") = "5"
    & skf21("4","2","5","3","6","5","7","1") = "6"
    & skf21("4","2","5","3","6","6","1","1") = "5"
    & skf21("4","2","5","3","6","6","2","1") = "5"
    & skf21("4","2","5","3","6","6","3","1") = "5"
    & skf21("4","2","5","3","6","6","4","1") = "5"
    & skf21("4","2","5","3","6","6","5","1") = "5"
    & skf21("4","2","5","3","6","6","6","1") = "5"
    & skf21("4","2","5","3","6","6","7","1") = "6"
    & skf21("4","2","5","3","6","7","1","1") = "6"
    & skf21("4","2","5","3","6","7","2","1") = "6"
    & skf21("4","2","5","3","6","7","3","1") = "6"
    & skf21("4","2","5","3","6","7","4","1") = "6"
    & skf21("4","2","5","3","6","7","5","1") = "6"
    & skf21("4","2","5","3","6","7","6","1") = "6"
    & skf21("4","2","5","3","6","7","7","1") = "6"
    & skf21("4","2","5","3","7","1","1","1") = "6"
    & skf21("4","2","5","3","7","1","2","1") = "6"
    & skf21("4","2","5","3","7","1","3","1") = "6"
    & skf21("4","2","5","3","7","1","4","1") = "6"
    & skf21("4","2","5","3","7","1","5","1") = "6"
    & skf21("4","2","5","3","7","1","6","1") = "6"
    & skf21("4","2","5","3","7","1","7","1") = "6"
    & skf21("4","2","5","3","7","2","1","1") = "6"
    & skf21("4","2","5","3","7","2","2","1") = "6"
    & skf21("4","2","5","3","7","2","3","1") = "6"
    & skf21("4","2","5","3","7","2","4","1") = "6"
    & skf21("4","2","5","3","7","2","5","1") = "6"
    & skf21("4","2","5","3","7","2","6","1") = "6"
    & skf21("4","2","5","3","7","2","7","1") = "6"
    & skf21("4","2","5","3","7","3","1","1") = "6"
    & skf21("4","2","5","3","7","3","2","1") = "6"
    & skf21("4","2","5","3","7","3","3","1") = "6"
    & skf21("4","2","5","3","7","3","4","1") = "6"
    & skf21("4","2","5","3","7","3","5","1") = "6"
    & skf21("4","2","5","3","7","3","6","1") = "6"
    & skf21("4","2","5","3","7","3","7","1") = "6"
    & skf21("4","2","5","3","7","4","1","1") = "6"
    & skf21("4","2","5","3","7","4","2","1") = "6"
    & skf21("4","2","5","3","7","4","3","1") = "6"
    & skf21("4","2","5","3","7","4","4","1") = "6"
    & skf21("4","2","5","3","7","4","5","1") = "6"
    & skf21("4","2","5","3","7","4","6","1") = "6"
    & skf21("4","2","5","3","7","4","7","1") = "6"
    & skf21("4","2","5","3","7","5","1","1") = "6"
    & skf21("4","2","5","3","7","5","2","1") = "6"
    & skf21("4","2","5","3","7","5","3","1") = "6"
    & skf21("4","2","5","3","7","5","4","1") = "6"
    & skf21("4","2","5","3","7","5","5","1") = "6"
    & skf21("4","2","5","3","7","5","6","1") = "6"
    & skf21("4","2","5","3","7","5","7","1") = "6"
    & skf21("4","2","5","3","7","6","1","1") = "6"
    & skf21("4","2","5","3","7","6","2","1") = "6"
    & skf21("4","2","5","3","7","6","3","1") = "6"
    & skf21("4","2","5","3","7","6","4","1") = "6"
    & skf21("4","2","5","3","7","6","5","1") = "6"
    & skf21("4","2","5","3","7","6","6","1") = "6"
    & skf21("4","2","5","3","7","6","7","1") = "6"
    & skf21("4","2","5","3","7","7","1","1") = "6"
    & skf21("4","2","5","3","7","7","2","1") = "6"
    & skf21("4","2","5","3","7","7","3","1") = "6"
    & skf21("4","2","5","3","7","7","4","1") = "6"
    & skf21("4","2","5","3","7","7","5","1") = "6"
    & skf21("4","2","5","3","7","7","6","1") = "6"
    & skf21("4","2","5","3","7","7","7","1") = "6"
    & skf21("4","2","5","4","1","1","1","1") = "4"
    & skf21("4","2","5","4","1","1","2","1") = "4"
    & skf21("4","2","5","4","1","1","3","1") = "4"
    & skf21("4","2","5","4","1","1","4","1") = "4"
    & skf21("4","2","5","4","1","1","5","1") = "4"
    & skf21("4","2","5","4","1","1","6","1") = "5"
    & skf21("4","2","5","4","1","1","7","1") = "6"
    & skf21("4","2","5","4","1","2","1","1") = "4"
    & skf21("4","2","5","4","1","2","2","1") = "4"
    & skf21("4","2","5","4","1","2","3","1") = "4"
    & skf21("4","2","5","4","1","2","4","1") = "4"
    & skf21("4","2","5","4","1","2","5","1") = "4"
    & skf21("4","2","5","4","1","2","6","1") = "5"
    & skf21("4","2","5","4","1","2","7","1") = "6"
    & skf21("4","2","5","4","1","3","1","1") = "4"
    & skf21("4","2","5","4","1","3","2","1") = "4"
    & skf21("4","2","5","4","1","3","3","1") = "4"
    & skf21("4","2","5","4","1","3","4","1") = "4"
    & skf21("4","2","5","4","1","3","5","1") = "4"
    & skf21("4","2","5","4","1","3","6","1") = "5"
    & skf21("4","2","5","4","1","3","7","1") = "6"
    & skf21("4","2","5","4","1","4","1","1") = "4"
    & skf21("4","2","5","4","1","4","2","1") = "4"
    & skf21("4","2","5","4","1","4","3","1") = "4"
    & skf21("4","2","5","4","1","4","4","1") = "4"
    & skf21("4","2","5","4","1","4","5","1") = "4"
    & skf21("4","2","5","4","1","4","6","1") = "5"
    & skf21("4","2","5","4","1","4","7","1") = "6"
    & skf21("4","2","5","4","1","5","1","1") = "4"
    & skf21("4","2","5","4","1","5","2","1") = "4"
    & skf21("4","2","5","4","1","5","3","1") = "4"
    & skf21("4","2","5","4","1","5","4","1") = "4"
    & skf21("4","2","5","4","1","5","5","1") = "4"
    & skf21("4","2","5","4","1","5","6","1") = "5"
    & skf21("4","2","5","4","1","5","7","1") = "6"
    & skf21("4","2","5","4","1","6","1","1") = "5"
    & skf21("4","2","5","4","1","6","2","1") = "5"
    & skf21("4","2","5","4","1","6","3","1") = "5"
    & skf21("4","2","5","4","1","6","4","1") = "5"
    & skf21("4","2","5","4","1","6","5","1") = "5"
    & skf21("4","2","5","4","1","6","6","1") = "5"
    & skf21("4","2","5","4","1","6","7","1") = "6"
    & skf21("4","2","5","4","1","7","1","1") = "6"
    & skf21("4","2","5","4","1","7","2","1") = "6"
    & skf21("4","2","5","4","1","7","3","1") = "6"
    & skf21("4","2","5","4","1","7","4","1") = "6"
    & skf21("4","2","5","4","1","7","5","1") = "6"
    & skf21("4","2","5","4","1","7","6","1") = "6"
    & skf21("4","2","5","4","1","7","7","1") = "6"
    & skf21("4","2","5","4","2","1","1","1") = "4"
    & skf21("4","2","5","4","2","1","2","1") = "4"
    & skf21("4","2","5","4","2","1","3","1") = "4"
    & skf21("4","2","5","4","2","1","4","1") = "4"
    & skf21("4","2","5","4","2","1","5","1") = "4"
    & skf21("4","2","5","4","2","1","6","1") = "5"
    & skf21("4","2","5","4","2","1","7","1") = "6"
    & skf21("4","2","5","4","2","2","1","1") = "4"
    & skf21("4","2","5","4","2","2","2","1") = "4"
    & skf21("4","2","5","4","2","2","3","1") = "4"
    & skf21("4","2","5","4","2","2","4","1") = "4"
    & skf21("4","2","5","4","2","2","5","1") = "4"
    & skf21("4","2","5","4","2","2","6","1") = "5"
    & skf21("4","2","5","4","2","2","7","1") = "6"
    & skf21("4","2","5","4","2","3","1","1") = "4"
    & skf21("4","2","5","4","2","3","2","1") = "4"
    & skf21("4","2","5","4","2","3","3","1") = "4"
    & skf21("4","2","5","4","2","3","4","1") = "4"
    & skf21("4","2","5","4","2","3","5","1") = "4"
    & skf21("4","2","5","4","2","3","6","1") = "5"
    & skf21("4","2","5","4","2","3","7","1") = "6"
    & skf21("4","2","5","4","2","4","1","1") = "4"
    & skf21("4","2","5","4","2","4","2","1") = "4"
    & skf21("4","2","5","4","2","4","3","1") = "4"
    & skf21("4","2","5","4","2","4","4","1") = "4"
    & skf21("4","2","5","4","2","4","5","1") = "4"
    & skf21("4","2","5","4","2","4","6","1") = "5"
    & skf21("4","2","5","4","2","4","7","1") = "6"
    & skf21("4","2","5","4","2","5","1","1") = "4"
    & skf21("4","2","5","4","2","5","2","1") = "4"
    & skf21("4","2","5","4","2","5","3","1") = "4"
    & skf21("4","2","5","4","2","5","4","1") = "4"
    & skf21("4","2","5","4","2","5","5","1") = "4"
    & skf21("4","2","5","4","2","5","6","1") = "5"
    & skf21("4","2","5","4","2","5","7","1") = "6"
    & skf21("4","2","5","4","2","6","1","1") = "5"
    & skf21("4","2","5","4","2","6","2","1") = "5"
    & skf21("4","2","5","4","2","6","3","1") = "5"
    & skf21("4","2","5","4","2","6","4","1") = "5"
    & skf21("4","2","5","4","2","6","5","1") = "5"
    & skf21("4","2","5","4","2","6","6","1") = "5"
    & skf21("4","2","5","4","2","6","7","1") = "6"
    & skf21("4","2","5","4","2","7","1","1") = "6"
    & skf21("4","2","5","4","2","7","2","1") = "6"
    & skf21("4","2","5","4","2","7","3","1") = "6"
    & skf21("4","2","5","4","2","7","4","1") = "6"
    & skf21("4","2","5","4","2","7","5","1") = "6"
    & skf21("4","2","5","4","2","7","6","1") = "6"
    & skf21("4","2","5","4","2","7","7","1") = "6"
    & skf21("4","2","5","4","3","1","1","1") = "4"
    & skf21("4","2","5","4","3","1","2","1") = "4"
    & skf21("4","2","5","4","3","1","3","1") = "4"
    & skf21("4","2","5","4","3","1","4","1") = "4"
    & skf21("4","2","5","4","3","1","5","1") = "4"
    & skf21("4","2","5","4","3","1","6","1") = "5"
    & skf21("4","2","5","4","3","1","7","1") = "6"
    & skf21("4","2","5","4","3","2","1","1") = "4"
    & skf21("4","2","5","4","3","2","2","1") = "4"
    & skf21("4","2","5","4","3","2","3","1") = "4"
    & skf21("4","2","5","4","3","2","4","1") = "4"
    & skf21("4","2","5","4","3","2","5","1") = "4"
    & skf21("4","2","5","4","3","2","6","1") = "5"
    & skf21("4","2","5","4","3","2","7","1") = "6"
    & skf21("4","2","5","4","3","3","1","1") = "4"
    & skf21("4","2","5","4","3","3","2","1") = "4"
    & skf21("4","2","5","4","3","3","3","1") = "4"
    & skf21("4","2","5","4","3","3","4","1") = "4"
    & skf21("4","2","5","4","3","3","5","1") = "4"
    & skf21("4","2","5","4","3","3","6","1") = "5"
    & skf21("4","2","5","4","3","3","7","1") = "6"
    & skf21("4","2","5","4","3","4","1","1") = "4"
    & skf21("4","2","5","4","3","4","2","1") = "4"
    & skf21("4","2","5","4","3","4","3","1") = "4"
    & skf21("4","2","5","4","3","4","4","1") = "4"
    & skf21("4","2","5","4","3","4","5","1") = "4"
    & skf21("4","2","5","4","3","4","6","1") = "5"
    & skf21("4","2","5","4","3","4","7","1") = "6"
    & skf21("4","2","5","4","3","5","1","1") = "4"
    & skf21("4","2","5","4","3","5","2","1") = "4"
    & skf21("4","2","5","4","3","5","3","1") = "4"
    & skf21("4","2","5","4","3","5","4","1") = "4"
    & skf21("4","2","5","4","3","5","5","1") = "4"
    & skf21("4","2","5","4","3","5","6","1") = "5"
    & skf21("4","2","5","4","3","5","7","1") = "6"
    & skf21("4","2","5","4","3","6","1","1") = "5"
    & skf21("4","2","5","4","3","6","2","1") = "5"
    & skf21("4","2","5","4","3","6","3","1") = "5"
    & skf21("4","2","5","4","3","6","4","1") = "5"
    & skf21("4","2","5","4","3","6","5","1") = "5"
    & skf21("4","2","5","4","3","6","6","1") = "5"
    & skf21("4","2","5","4","3","6","7","1") = "6"
    & skf21("4","2","5","4","3","7","1","1") = "6"
    & skf21("4","2","5","4","3","7","2","1") = "6"
    & skf21("4","2","5","4","3","7","3","1") = "6"
    & skf21("4","2","5","4","3","7","4","1") = "6"
    & skf21("4","2","5","4","3","7","5","1") = "6"
    & skf21("4","2","5","4","3","7","6","1") = "6"
    & skf21("4","2","5","4","3","7","7","1") = "6"
    & skf21("4","2","5","4","4","1","1","1") = "4"
    & skf21("4","2","5","4","4","1","2","1") = "4"
    & skf21("4","2","5","4","4","1","3","1") = "4"
    & skf21("4","2","5","4","4","1","4","1") = "4"
    & skf21("4","2","5","4","4","1","5","1") = "4"
    & skf21("4","2","5","4","4","1","6","1") = "5"
    & skf21("4","2","5","4","4","1","7","1") = "6"
    & skf21("4","2","5","4","4","2","1","1") = "4"
    & skf21("4","2","5","4","4","2","2","1") = "4"
    & skf21("4","2","5","4","4","2","3","1") = "4"
    & skf21("4","2","5","4","4","2","4","1") = "4"
    & skf21("4","2","5","4","4","2","5","1") = "4"
    & skf21("4","2","5","4","4","2","6","1") = "5"
    & skf21("4","2","5","4","4","2","7","1") = "6"
    & skf21("4","2","5","4","4","3","1","1") = "4"
    & skf21("4","2","5","4","4","3","2","1") = "4"
    & skf21("4","2","5","4","4","3","3","1") = "4"
    & skf21("4","2","5","4","4","3","4","1") = "4"
    & skf21("4","2","5","4","4","3","5","1") = "4"
    & skf21("4","2","5","4","4","3","6","1") = "5"
    & skf21("4","2","5","4","4","3","7","1") = "6"
    & skf21("4","2","5","4","4","4","1","1") = "4"
    & skf21("4","2","5","4","4","4","2","1") = "4"
    & skf21("4","2","5","4","4","4","3","1") = "4"
    & skf21("4","2","5","4","4","4","4","1") = "4"
    & skf21("4","2","5","4","4","4","5","1") = "4"
    & skf21("4","2","5","4","4","4","6","1") = "5"
    & skf21("4","2","5","4","4","4","7","1") = "6"
    & skf21("4","2","5","4","4","5","1","1") = "4"
    & skf21("4","2","5","4","4","5","2","1") = "4"
    & skf21("4","2","5","4","4","5","3","1") = "4"
    & skf21("4","2","5","4","4","5","4","1") = "4"
    & skf21("4","2","5","4","4","5","5","1") = "4"
    & skf21("4","2","5","4","4","5","6","1") = "5"
    & skf21("4","2","5","4","4","5","7","1") = "6"
    & skf21("4","2","5","4","4","6","1","1") = "5"
    & skf21("4","2","5","4","4","6","2","1") = "5"
    & skf21("4","2","5","4","4","6","3","1") = "5"
    & skf21("4","2","5","4","4","6","4","1") = "5"
    & skf21("4","2","5","4","4","6","5","1") = "5"
    & skf21("4","2","5","4","4","6","6","1") = "5"
    & skf21("4","2","5","4","4","6","7","1") = "6"
    & skf21("4","2","5","4","4","7","1","1") = "6"
    & skf21("4","2","5","4","4","7","2","1") = "6"
    & skf21("4","2","5","4","4","7","3","1") = "6"
    & skf21("4","2","5","4","4","7","4","1") = "6"
    & skf21("4","2","5","4","4","7","5","1") = "6"
    & skf21("4","2","5","4","4","7","6","1") = "6"
    & skf21("4","2","5","4","4","7","7","1") = "6"
    & skf21("4","2","5","4","5","1","1","1") = "4"
    & skf21("4","2","5","4","5","1","2","1") = "4"
    & skf21("4","2","5","4","5","1","3","1") = "4"
    & skf21("4","2","5","4","5","1","4","1") = "4"
    & skf21("4","2","5","4","5","1","5","1") = "4"
    & skf21("4","2","5","4","5","1","6","1") = "5"
    & skf21("4","2","5","4","5","1","7","1") = "6"
    & skf21("4","2","5","4","5","2","1","1") = "4"
    & skf21("4","2","5","4","5","2","2","1") = "4"
    & skf21("4","2","5","4","5","2","3","1") = "4"
    & skf21("4","2","5","4","5","2","4","1") = "4"
    & skf21("4","2","5","4","5","2","5","1") = "4"
    & skf21("4","2","5","4","5","2","6","1") = "5"
    & skf21("4","2","5","4","5","2","7","1") = "6"
    & skf21("4","2","5","4","5","3","1","1") = "4"
    & skf21("4","2","5","4","5","3","2","1") = "4"
    & skf21("4","2","5","4","5","3","3","1") = "4"
    & skf21("4","2","5","4","5","3","4","1") = "4"
    & skf21("4","2","5","4","5","3","5","1") = "4"
    & skf21("4","2","5","4","5","3","6","1") = "5"
    & skf21("4","2","5","4","5","3","7","1") = "6"
    & skf21("4","2","5","4","5","4","1","1") = "4"
    & skf21("4","2","5","4","5","4","2","1") = "4"
    & skf21("4","2","5","4","5","4","3","1") = "4"
    & skf21("4","2","5","4","5","4","4","1") = "4"
    & skf21("4","2","5","4","5","4","5","1") = "4"
    & skf21("4","2","5","4","5","4","6","1") = "5"
    & skf21("4","2","5","4","5","4","7","1") = "6"
    & skf21("4","2","5","4","5","5","1","1") = "4"
    & skf21("4","2","5","4","5","5","2","1") = "4"
    & skf21("4","2","5","4","5","5","3","1") = "4"
    & skf21("4","2","5","4","5","5","4","1") = "4"
    & skf21("4","2","5","4","5","5","5","1") = "4"
    & skf21("4","2","5","4","5","5","6","1") = "5"
    & skf21("4","2","5","4","5","5","7","1") = "6"
    & skf21("4","2","5","4","5","6","1","1") = "5"
    & skf21("4","2","5","4","5","6","2","1") = "5"
    & skf21("4","2","5","4","5","6","3","1") = "5"
    & skf21("4","2","5","4","5","6","4","1") = "5"
    & skf21("4","2","5","4","5","6","5","1") = "5"
    & skf21("4","2","5","4","5","6","6","1") = "5"
    & skf21("4","2","5","4","5","6","7","1") = "6"
    & skf21("4","2","5","4","5","7","1","1") = "6"
    & skf21("4","2","5","4","5","7","2","1") = "6"
    & skf21("4","2","5","4","5","7","3","1") = "6"
    & skf21("4","2","5","4","5","7","4","1") = "6"
    & skf21("4","2","5","4","5","7","5","1") = "6"
    & skf21("4","2","5","4","5","7","6","1") = "6"
    & skf21("4","2","5","4","5","7","7","1") = "6"
    & skf21("4","2","5","4","6","1","1","1") = "5"
    & skf21("4","2","5","4","6","1","2","1") = "5"
    & skf21("4","2","5","4","6","1","3","1") = "5"
    & skf21("4","2","5","4","6","1","4","1") = "5"
    & skf21("4","2","5","4","6","1","5","1") = "5"
    & skf21("4","2","5","4","6","1","6","1") = "5"
    & skf21("4","2","5","4","6","1","7","1") = "6"
    & skf21("4","2","5","4","6","2","1","1") = "5"
    & skf21("4","2","5","4","6","2","2","1") = "5"
    & skf21("4","2","5","4","6","2","3","1") = "5"
    & skf21("4","2","5","4","6","2","4","1") = "5"
    & skf21("4","2","5","4","6","2","5","1") = "5"
    & skf21("4","2","5","4","6","2","6","1") = "5"
    & skf21("4","2","5","4","6","2","7","1") = "6"
    & skf21("4","2","5","4","6","3","1","1") = "5"
    & skf21("4","2","5","4","6","3","2","1") = "5"
    & skf21("4","2","5","4","6","3","3","1") = "5"
    & skf21("4","2","5","4","6","3","4","1") = "5"
    & skf21("4","2","5","4","6","3","5","1") = "5"
    & skf21("4","2","5","4","6","3","6","1") = "5"
    & skf21("4","2","5","4","6","3","7","1") = "6"
    & skf21("4","2","5","4","6","4","1","1") = "5"
    & skf21("4","2","5","4","6","4","2","1") = "5"
    & skf21("4","2","5","4","6","4","3","1") = "5"
    & skf21("4","2","5","4","6","4","4","1") = "5"
    & skf21("4","2","5","4","6","4","5","1") = "5"
    & skf21("4","2","5","4","6","4","6","1") = "5"
    & skf21("4","2","5","4","6","4","7","1") = "6"
    & skf21("4","2","5","4","6","5","1","1") = "5"
    & skf21("4","2","5","4","6","5","2","1") = "5"
    & skf21("4","2","5","4","6","5","3","1") = "5"
    & skf21("4","2","5","4","6","5","4","1") = "5"
    & skf21("4","2","5","4","6","5","5","1") = "5"
    & skf21("4","2","5","4","6","5","6","1") = "5"
    & skf21("4","2","5","4","6","5","7","1") = "6"
    & skf21("4","2","5","4","6","6","1","1") = "5"
    & skf21("4","2","5","4","6","6","2","1") = "5"
    & skf21("4","2","5","4","6","6","3","1") = "5"
    & skf21("4","2","5","4","6","6","4","1") = "5"
    & skf21("4","2","5","4","6","6","5","1") = "5"
    & skf21("4","2","5","4","6","6","6","1") = "5"
    & skf21("4","2","5","4","6","6","7","1") = "6"
    & skf21("4","2","5","4","6","7","1","1") = "6"
    & skf21("4","2","5","4","6","7","2","1") = "6"
    & skf21("4","2","5","4","6","7","3","1") = "6"
    & skf21("4","2","5","4","6","7","4","1") = "6"
    & skf21("4","2","5","4","6","7","5","1") = "6"
    & skf21("4","2","5","4","6","7","6","1") = "6"
    & skf21("4","2","5","4","6","7","7","1") = "6"
    & skf21("4","2","5","4","7","1","1","1") = "6"
    & skf21("4","2","5","4","7","1","2","1") = "6"
    & skf21("4","2","5","4","7","1","3","1") = "6"
    & skf21("4","2","5","4","7","1","4","1") = "6"
    & skf21("4","2","5","4","7","1","5","1") = "6"
    & skf21("4","2","5","4","7","1","6","1") = "6"
    & skf21("4","2","5","4","7","1","7","1") = "6"
    & skf21("4","2","5","4","7","2","1","1") = "6"
    & skf21("4","2","5","4","7","2","2","1") = "6"
    & skf21("4","2","5","4","7","2","3","1") = "6"
    & skf21("4","2","5","4","7","2","4","1") = "6"
    & skf21("4","2","5","4","7","2","5","1") = "6"
    & skf21("4","2","5","4","7","2","6","1") = "6"
    & skf21("4","2","5","4","7","2","7","1") = "6"
    & skf21("4","2","5","4","7","3","1","1") = "6"
    & skf21("4","2","5","4","7","3","2","1") = "6"
    & skf21("4","2","5","4","7","3","3","1") = "6"
    & skf21("4","2","5","4","7","3","4","1") = "6"
    & skf21("4","2","5","4","7","3","5","1") = "6"
    & skf21("4","2","5","4","7","3","6","1") = "6"
    & skf21("4","2","5","4","7","3","7","1") = "6"
    & skf21("4","2","5","4","7","4","1","1") = "6"
    & skf21("4","2","5","4","7","4","2","1") = "6"
    & skf21("4","2","5","4","7","4","3","1") = "6"
    & skf21("4","2","5","4","7","4","4","1") = "6"
    & skf21("4","2","5","4","7","4","5","1") = "6"
    & skf21("4","2","5","4","7","4","6","1") = "6"
    & skf21("4","2","5","4","7","4","7","1") = "6"
    & skf21("4","2","5","4","7","5","1","1") = "6"
    & skf21("4","2","5","4","7","5","2","1") = "6"
    & skf21("4","2","5","4","7","5","3","1") = "6"
    & skf21("4","2","5","4","7","5","4","1") = "6"
    & skf21("4","2","5","4","7","5","5","1") = "6"
    & skf21("4","2","5","4","7","5","6","1") = "6"
    & skf21("4","2","5","4","7","5","7","1") = "6"
    & skf21("4","2","5","4","7","6","1","1") = "6"
    & skf21("4","2","5","4","7","6","2","1") = "6"
    & skf21("4","2","5","4","7","6","3","1") = "6"
    & skf21("4","2","5","4","7","6","4","1") = "6"
    & skf21("4","2","5","4","7","6","5","1") = "6"
    & skf21("4","2","5","4","7","6","6","1") = "6"
    & skf21("4","2","5","4","7","6","7","1") = "6"
    & skf21("4","2","5","4","7","7","1","1") = "6"
    & skf21("4","2","5","4","7","7","2","1") = "6"
    & skf21("4","2","5","4","7","7","3","1") = "6"
    & skf21("4","2","5","4","7","7","4","1") = "6"
    & skf21("4","2","5","4","7","7","5","1") = "6"
    & skf21("4","2","5","4","7","7","6","1") = "6"
    & skf21("4","2","5","4","7","7","7","1") = "6"
    & skf21("4","2","5","5","1","1","1","1") = "4"
    & skf21("4","2","5","5","1","1","2","1") = "4"
    & skf21("4","2","5","5","1","1","3","1") = "4"
    & skf21("4","2","5","5","1","1","4","1") = "4"
    & skf21("4","2","5","5","1","1","5","1") = "4"
    & skf21("4","2","5","5","1","1","6","1") = "5"
    & skf21("4","2","5","5","1","1","7","1") = "6"
    & skf21("4","2","5","5","1","2","1","1") = "4"
    & skf21("4","2","5","5","1","2","2","1") = "4"
    & skf21("4","2","5","5","1","2","3","1") = "4"
    & skf21("4","2","5","5","1","2","4","1") = "4"
    & skf21("4","2","5","5","1","2","5","1") = "4"
    & skf21("4","2","5","5","1","2","6","1") = "5"
    & skf21("4","2","5","5","1","2","7","1") = "6"
    & skf21("4","2","5","5","1","3","1","1") = "4"
    & skf21("4","2","5","5","1","3","2","1") = "4"
    & skf21("4","2","5","5","1","3","3","1") = "4"
    & skf21("4","2","5","5","1","3","4","1") = "4"
    & skf21("4","2","5","5","1","3","5","1") = "4"
    & skf21("4","2","5","5","1","3","6","1") = "5"
    & skf21("4","2","5","5","1","3","7","1") = "6"
    & skf21("4","2","5","5","1","4","1","1") = "4"
    & skf21("4","2","5","5","1","4","2","1") = "4"
    & skf21("4","2","5","5","1","4","3","1") = "4"
    & skf21("4","2","5","5","1","4","4","1") = "4"
    & skf21("4","2","5","5","1","4","5","1") = "4"
    & skf21("4","2","5","5","1","4","6","1") = "5"
    & skf21("4","2","5","5","1","4","7","1") = "6"
    & skf21("4","2","5","5","1","5","1","1") = "4"
    & skf21("4","2","5","5","1","5","2","1") = "4"
    & skf21("4","2","5","5","1","5","3","1") = "4"
    & skf21("4","2","5","5","1","5","4","1") = "4"
    & skf21("4","2","5","5","1","5","5","1") = "4"
    & skf21("4","2","5","5","1","5","6","1") = "5"
    & skf21("4","2","5","5","1","5","7","1") = "6"
    & skf21("4","2","5","5","1","6","1","1") = "5"
    & skf21("4","2","5","5","1","6","2","1") = "5"
    & skf21("4","2","5","5","1","6","3","1") = "5"
    & skf21("4","2","5","5","1","6","4","1") = "5"
    & skf21("4","2","5","5","1","6","5","1") = "5"
    & skf21("4","2","5","5","1","6","6","1") = "5"
    & skf21("4","2","5","5","1","6","7","1") = "6"
    & skf21("4","2","5","5","1","7","1","1") = "6"
    & skf21("4","2","5","5","1","7","2","1") = "6"
    & skf21("4","2","5","5","1","7","3","1") = "6"
    & skf21("4","2","5","5","1","7","4","1") = "6"
    & skf21("4","2","5","5","1","7","5","1") = "6"
    & skf21("4","2","5","5","1","7","6","1") = "6"
    & skf21("4","2","5","5","1","7","7","1") = "6"
    & skf21("4","2","5","5","2","1","1","1") = "4"
    & skf21("4","2","5","5","2","1","2","1") = "4"
    & skf21("4","2","5","5","2","1","3","1") = "4"
    & skf21("4","2","5","5","2","1","4","1") = "4"
    & skf21("4","2","5","5","2","1","5","1") = "4"
    & skf21("4","2","5","5","2","1","6","1") = "5"
    & skf21("4","2","5","5","2","1","7","1") = "6"
    & skf21("4","2","5","5","2","2","1","1") = "4"
    & skf21("4","2","5","5","2","2","2","1") = "4"
    & skf21("4","2","5","5","2","2","3","1") = "4"
    & skf21("4","2","5","5","2","2","4","1") = "4"
    & skf21("4","2","5","5","2","2","5","1") = "4"
    & skf21("4","2","5","5","2","2","6","1") = "5"
    & skf21("4","2","5","5","2","2","7","1") = "6"
    & skf21("4","2","5","5","2","3","1","1") = "4"
    & skf21("4","2","5","5","2","3","2","1") = "4"
    & skf21("4","2","5","5","2","3","3","1") = "4"
    & skf21("4","2","5","5","2","3","4","1") = "4"
    & skf21("4","2","5","5","2","3","5","1") = "4"
    & skf21("4","2","5","5","2","3","6","1") = "5"
    & skf21("4","2","5","5","2","3","7","1") = "6"
    & skf21("4","2","5","5","2","4","1","1") = "4"
    & skf21("4","2","5","5","2","4","2","1") = "4"
    & skf21("4","2","5","5","2","4","3","1") = "4"
    & skf21("4","2","5","5","2","4","4","1") = "4"
    & skf21("4","2","5","5","2","4","5","1") = "4"
    & skf21("4","2","5","5","2","4","6","1") = "5"
    & skf21("4","2","5","5","2","4","7","1") = "6"
    & skf21("4","2","5","5","2","5","1","1") = "4"
    & skf21("4","2","5","5","2","5","2","1") = "4"
    & skf21("4","2","5","5","2","5","3","1") = "4"
    & skf21("4","2","5","5","2","5","4","1") = "4"
    & skf21("4","2","5","5","2","5","5","1") = "4"
    & skf21("4","2","5","5","2","5","6","1") = "5"
    & skf21("4","2","5","5","2","5","7","1") = "6"
    & skf21("4","2","5","5","2","6","1","1") = "5"
    & skf21("4","2","5","5","2","6","2","1") = "5"
    & skf21("4","2","5","5","2","6","3","1") = "5"
    & skf21("4","2","5","5","2","6","4","1") = "5"
    & skf21("4","2","5","5","2","6","5","1") = "5"
    & skf21("4","2","5","5","2","6","6","1") = "5"
    & skf21("4","2","5","5","2","6","7","1") = "6"
    & skf21("4","2","5","5","2","7","1","1") = "6"
    & skf21("4","2","5","5","2","7","2","1") = "6"
    & skf21("4","2","5","5","2","7","3","1") = "6"
    & skf21("4","2","5","5","2","7","4","1") = "6"
    & skf21("4","2","5","5","2","7","5","1") = "6"
    & skf21("4","2","5","5","2","7","6","1") = "6"
    & skf21("4","2","5","5","2","7","7","1") = "6"
    & skf21("4","2","5","5","3","1","1","1") = "4"
    & skf21("4","2","5","5","3","1","2","1") = "4"
    & skf21("4","2","5","5","3","1","3","1") = "4"
    & skf21("4","2","5","5","3","1","4","1") = "4"
    & skf21("4","2","5","5","3","1","5","1") = "4"
    & skf21("4","2","5","5","3","1","6","1") = "5"
    & skf21("4","2","5","5","3","1","7","1") = "6"
    & skf21("4","2","5","5","3","2","1","1") = "4"
    & skf21("4","2","5","5","3","2","2","1") = "4"
    & skf21("4","2","5","5","3","2","3","1") = "4"
    & skf21("4","2","5","5","3","2","4","1") = "4"
    & skf21("4","2","5","5","3","2","5","1") = "4"
    & skf21("4","2","5","5","3","2","6","1") = "5"
    & skf21("4","2","5","5","3","2","7","1") = "6"
    & skf21("4","2","5","5","3","3","1","1") = "4"
    & skf21("4","2","5","5","3","3","2","1") = "4"
    & skf21("4","2","5","5","3","3","3","1") = "4"
    & skf21("4","2","5","5","3","3","4","1") = "4"
    & skf21("4","2","5","5","3","3","5","1") = "4"
    & skf21("4","2","5","5","3","3","6","1") = "5"
    & skf21("4","2","5","5","3","3","7","1") = "6"
    & skf21("4","2","5","5","3","4","1","1") = "4"
    & skf21("4","2","5","5","3","4","2","1") = "4"
    & skf21("4","2","5","5","3","4","3","1") = "4"
    & skf21("4","2","5","5","3","4","4","1") = "4"
    & skf21("4","2","5","5","3","4","5","1") = "4"
    & skf21("4","2","5","5","3","4","6","1") = "5"
    & skf21("4","2","5","5","3","4","7","1") = "6"
    & skf21("4","2","5","5","3","5","1","1") = "4"
    & skf21("4","2","5","5","3","5","2","1") = "4"
    & skf21("4","2","5","5","3","5","3","1") = "4"
    & skf21("4","2","5","5","3","5","4","1") = "4"
    & skf21("4","2","5","5","3","5","5","1") = "4"
    & skf21("4","2","5","5","3","5","6","1") = "5"
    & skf21("4","2","5","5","3","5","7","1") = "6"
    & skf21("4","2","5","5","3","6","1","1") = "5"
    & skf21("4","2","5","5","3","6","2","1") = "5"
    & skf21("4","2","5","5","3","6","3","1") = "5"
    & skf21("4","2","5","5","3","6","4","1") = "5"
    & skf21("4","2","5","5","3","6","5","1") = "5"
    & skf21("4","2","5","5","3","6","6","1") = "5"
    & skf21("4","2","5","5","3","6","7","1") = "6"
    & skf21("4","2","5","5","3","7","1","1") = "6"
    & skf21("4","2","5","5","3","7","2","1") = "6"
    & skf21("4","2","5","5","3","7","3","1") = "6"
    & skf21("4","2","5","5","3","7","4","1") = "6"
    & skf21("4","2","5","5","3","7","5","1") = "6"
    & skf21("4","2","5","5","3","7","6","1") = "6"
    & skf21("4","2","5","5","3","7","7","1") = "6"
    & skf21("4","2","5","5","4","1","1","1") = "4"
    & skf21("4","2","5","5","4","1","2","1") = "4"
    & skf21("4","2","5","5","4","1","3","1") = "4"
    & skf21("4","2","5","5","4","1","4","1") = "4"
    & skf21("4","2","5","5","4","1","5","1") = "4"
    & skf21("4","2","5","5","4","1","6","1") = "5"
    & skf21("4","2","5","5","4","1","7","1") = "6"
    & skf21("4","2","5","5","4","2","1","1") = "4"
    & skf21("4","2","5","5","4","2","2","1") = "4"
    & skf21("4","2","5","5","4","2","3","1") = "4"
    & skf21("4","2","5","5","4","2","4","1") = "4"
    & skf21("4","2","5","5","4","2","5","1") = "4"
    & skf21("4","2","5","5","4","2","6","1") = "5"
    & skf21("4","2","5","5","4","2","7","1") = "6"
    & skf21("4","2","5","5","4","3","1","1") = "4"
    & skf21("4","2","5","5","4","3","2","1") = "4"
    & skf21("4","2","5","5","4","3","3","1") = "4"
    & skf21("4","2","5","5","4","3","4","1") = "4"
    & skf21("4","2","5","5","4","3","5","1") = "4"
    & skf21("4","2","5","5","4","3","6","1") = "5"
    & skf21("4","2","5","5","4","3","7","1") = "6"
    & skf21("4","2","5","5","4","4","1","1") = "4"
    & skf21("4","2","5","5","4","4","2","1") = "4"
    & skf21("4","2","5","5","4","4","3","1") = "4"
    & skf21("4","2","5","5","4","4","4","1") = "4"
    & skf21("4","2","5","5","4","4","5","1") = "4"
    & skf21("4","2","5","5","4","4","6","1") = "5"
    & skf21("4","2","5","5","4","4","7","1") = "6"
    & skf21("4","2","5","5","4","5","1","1") = "4"
    & skf21("4","2","5","5","4","5","2","1") = "4"
    & skf21("4","2","5","5","4","5","3","1") = "4"
    & skf21("4","2","5","5","4","5","4","1") = "4"
    & skf21("4","2","5","5","4","5","5","1") = "4"
    & skf21("4","2","5","5","4","5","6","1") = "5"
    & skf21("4","2","5","5","4","5","7","1") = "6"
    & skf21("4","2","5","5","4","6","1","1") = "5"
    & skf21("4","2","5","5","4","6","2","1") = "5"
    & skf21("4","2","5","5","4","6","3","1") = "5"
    & skf21("4","2","5","5","4","6","4","1") = "5"
    & skf21("4","2","5","5","4","6","5","1") = "5"
    & skf21("4","2","5","5","4","6","6","1") = "5"
    & skf21("4","2","5","5","4","6","7","1") = "6"
    & skf21("4","2","5","5","4","7","1","1") = "6"
    & skf21("4","2","5","5","4","7","2","1") = "6"
    & skf21("4","2","5","5","4","7","3","1") = "6"
    & skf21("4","2","5","5","4","7","4","1") = "6"
    & skf21("4","2","5","5","4","7","5","1") = "6"
    & skf21("4","2","5","5","4","7","6","1") = "6"
    & skf21("4","2","5","5","4","7","7","1") = "6"
    & skf21("4","2","5","5","5","1","1","1") = "4"
    & skf21("4","2","5","5","5","1","2","1") = "4"
    & skf21("4","2","5","5","5","1","3","1") = "4"
    & skf21("4","2","5","5","5","1","4","1") = "4"
    & skf21("4","2","5","5","5","1","5","1") = "4"
    & skf21("4","2","5","5","5","1","6","1") = "5"
    & skf21("4","2","5","5","5","1","7","1") = "6"
    & skf21("4","2","5","5","5","2","1","1") = "4"
    & skf21("4","2","5","5","5","2","2","1") = "4"
    & skf21("4","2","5","5","5","2","3","1") = "4"
    & skf21("4","2","5","5","5","2","4","1") = "4"
    & skf21("4","2","5","5","5","2","5","1") = "4"
    & skf21("4","2","5","5","5","2","6","1") = "5"
    & skf21("4","2","5","5","5","2","7","1") = "6"
    & skf21("4","2","5","5","5","3","1","1") = "4"
    & skf21("4","2","5","5","5","3","2","1") = "4"
    & skf21("4","2","5","5","5","3","3","1") = "4"
    & skf21("4","2","5","5","5","3","4","1") = "4"
    & skf21("4","2","5","5","5","3","5","1") = "4"
    & skf21("4","2","5","5","5","3","6","1") = "5"
    & skf21("4","2","5","5","5","3","7","1") = "6"
    & skf21("4","2","5","5","5","4","1","1") = "4"
    & skf21("4","2","5","5","5","4","2","1") = "4"
    & skf21("4","2","5","5","5","4","3","1") = "4"
    & skf21("4","2","5","5","5","4","4","1") = "4"
    & skf21("4","2","5","5","5","4","5","1") = "4"
    & skf21("4","2","5","5","5","4","6","1") = "5"
    & skf21("4","2","5","5","5","4","7","1") = "6"
    & skf21("4","2","5","5","5","5","1","1") = "4"
    & skf21("4","2","5","5","5","5","2","1") = "4"
    & skf21("4","2","5","5","5","5","3","1") = "4"
    & skf21("4","2","5","5","5","5","4","1") = "4"
    & skf21("4","2","5","5","5","5","5","1") = "4"
    & skf21("4","2","5","5","5","5","6","1") = "5"
    & skf21("4","2","5","5","5","5","7","1") = "6"
    & skf21("4","2","5","5","5","6","1","1") = "5"
    & skf21("4","2","5","5","5","6","2","1") = "5"
    & skf21("4","2","5","5","5","6","3","1") = "5"
    & skf21("4","2","5","5","5","6","4","1") = "5"
    & skf21("4","2","5","5","5","6","5","1") = "5"
    & skf21("4","2","5","5","5","6","6","1") = "5"
    & skf21("4","2","5","5","5","6","7","1") = "6"
    & skf21("4","2","5","5","5","7","1","1") = "6"
    & skf21("4","2","5","5","5","7","2","1") = "6"
    & skf21("4","2","5","5","5","7","3","1") = "6"
    & skf21("4","2","5","5","5","7","4","1") = "6"
    & skf21("4","2","5","5","5","7","5","1") = "6"
    & skf21("4","2","5","5","5","7","6","1") = "6"
    & skf21("4","2","5","5","5","7","7","1") = "6"
    & skf21("4","2","5","5","6","1","1","1") = "5"
    & skf21("4","2","5","5","6","1","2","1") = "5"
    & skf21("4","2","5","5","6","1","3","1") = "5"
    & skf21("4","2","5","5","6","1","4","1") = "5"
    & skf21("4","2","5","5","6","1","5","1") = "5"
    & skf21("4","2","5","5","6","1","6","1") = "5"
    & skf21("4","2","5","5","6","1","7","1") = "6"
    & skf21("4","2","5","5","6","2","1","1") = "5"
    & skf21("4","2","5","5","6","2","2","1") = "5"
    & skf21("4","2","5","5","6","2","3","1") = "5"
    & skf21("4","2","5","5","6","2","4","1") = "5"
    & skf21("4","2","5","5","6","2","5","1") = "5"
    & skf21("4","2","5","5","6","2","6","1") = "5"
    & skf21("4","2","5","5","6","2","7","1") = "6"
    & skf21("4","2","5","5","6","3","1","1") = "5"
    & skf21("4","2","5","5","6","3","2","1") = "5"
    & skf21("4","2","5","5","6","3","3","1") = "5"
    & skf21("4","2","5","5","6","3","4","1") = "5"
    & skf21("4","2","5","5","6","3","5","1") = "5"
    & skf21("4","2","5","5","6","3","6","1") = "5"
    & skf21("4","2","5","5","6","3","7","1") = "6"
    & skf21("4","2","5","5","6","4","1","1") = "5"
    & skf21("4","2","5","5","6","4","2","1") = "5"
    & skf21("4","2","5","5","6","4","3","1") = "5"
    & skf21("4","2","5","5","6","4","4","1") = "5"
    & skf21("4","2","5","5","6","4","5","1") = "5"
    & skf21("4","2","5","5","6","4","6","1") = "5"
    & skf21("4","2","5","5","6","4","7","1") = "6"
    & skf21("4","2","5","5","6","5","1","1") = "5"
    & skf21("4","2","5","5","6","5","2","1") = "5"
    & skf21("4","2","5","5","6","5","3","1") = "5"
    & skf21("4","2","5","5","6","5","4","1") = "5"
    & skf21("4","2","5","5","6","5","5","1") = "5"
    & skf21("4","2","5","5","6","5","6","1") = "5"
    & skf21("4","2","5","5","6","5","7","1") = "6"
    & skf21("4","2","5","5","6","6","1","1") = "5"
    & skf21("4","2","5","5","6","6","2","1") = "5"
    & skf21("4","2","5","5","6","6","3","1") = "5"
    & skf21("4","2","5","5","6","6","4","1") = "5"
    & skf21("4","2","5","5","6","6","5","1") = "5"
    & skf21("4","2","5","5","6","6","6","1") = "5"
    & skf21("4","2","5","5","6","6","7","1") = "6"
    & skf21("4","2","5","5","6","7","1","1") = "6"
    & skf21("4","2","5","5","6","7","2","1") = "6"
    & skf21("4","2","5","5","6","7","3","1") = "6"
    & skf21("4","2","5","5","6","7","4","1") = "6"
    & skf21("4","2","5","5","6","7","5","1") = "6"
    & skf21("4","2","5","5","6","7","6","1") = "6"
    & skf21("4","2","5","5","6","7","7","1") = "6"
    & skf21("4","2","5","5","7","1","1","1") = "6"
    & skf21("4","2","5","5","7","1","2","1") = "6"
    & skf21("4","2","5","5","7","1","3","1") = "6"
    & skf21("4","2","5","5","7","1","4","1") = "6"
    & skf21("4","2","5","5","7","1","5","1") = "6"
    & skf21("4","2","5","5","7","1","6","1") = "6"
    & skf21("4","2","5","5","7","1","7","1") = "6"
    & skf21("4","2","5","5","7","2","1","1") = "6"
    & skf21("4","2","5","5","7","2","2","1") = "6"
    & skf21("4","2","5","5","7","2","3","1") = "6"
    & skf21("4","2","5","5","7","2","4","1") = "6"
    & skf21("4","2","5","5","7","2","5","1") = "6"
    & skf21("4","2","5","5","7","2","6","1") = "6"
    & skf21("4","2","5","5","7","2","7","1") = "6"
    & skf21("4","2","5","5","7","3","1","1") = "6"
    & skf21("4","2","5","5","7","3","2","1") = "6"
    & skf21("4","2","5","5","7","3","3","1") = "6"
    & skf21("4","2","5","5","7","3","4","1") = "6"
    & skf21("4","2","5","5","7","3","5","1") = "6"
    & skf21("4","2","5","5","7","3","6","1") = "6"
    & skf21("4","2","5","5","7","3","7","1") = "6"
    & skf21("4","2","5","5","7","4","1","1") = "6"
    & skf21("4","2","5","5","7","4","2","1") = "6"
    & skf21("4","2","5","5","7","4","3","1") = "6"
    & skf21("4","2","5","5","7","4","4","1") = "6"
    & skf21("4","2","5","5","7","4","5","1") = "6"
    & skf21("4","2","5","5","7","4","6","1") = "6"
    & skf21("4","2","5","5","7","4","7","1") = "6"
    & skf21("4","2","5","5","7","5","1","1") = "6"
    & skf21("4","2","5","5","7","5","2","1") = "6"
    & skf21("4","2","5","5","7","5","3","1") = "6"
    & skf21("4","2","5","5","7","5","4","1") = "6"
    & skf21("4","2","5","5","7","5","5","1") = "6"
    & skf21("4","2","5","5","7","5","6","1") = "6"
    & skf21("4","2","5","5","7","5","7","1") = "6"
    & skf21("4","2","5","5","7","6","1","1") = "6"
    & skf21("4","2","5","5","7","6","2","1") = "6"
    & skf21("4","2","5","5","7","6","3","1") = "6"
    & skf21("4","2","5","5","7","6","4","1") = "6"
    & skf21("4","2","5","5","7","6","5","1") = "6"
    & skf21("4","2","5","5","7","6","6","1") = "6"
    & skf21("4","2","5","5","7","6","7","1") = "6"
    & skf21("4","2","5","5","7","7","1","1") = "6"
    & skf21("4","2","5","5","7","7","2","1") = "6"
    & skf21("4","2","5","5","7","7","3","1") = "6"
    & skf21("4","2","5","5","7","7","4","1") = "6"
    & skf21("4","2","5","5","7","7","5","1") = "6"
    & skf21("4","2","5","5","7","7","6","1") = "6"
    & skf21("4","2","5","5","7","7","7","1") = "6"
    & skf21("4","2","5","6","1","1","1","1") = "5"
    & skf21("4","2","5","6","1","1","2","1") = "5"
    & skf21("4","2","5","6","1","1","3","1") = "5"
    & skf21("4","2","5","6","1","1","4","1") = "5"
    & skf21("4","2","5","6","1","1","5","1") = "5"
    & skf21("4","2","5","6","1","1","6","1") = "5"
    & skf21("4","2","5","6","1","1","7","1") = "6"
    & skf21("4","2","5","6","1","2","1","1") = "5"
    & skf21("4","2","5","6","1","2","2","1") = "5"
    & skf21("4","2","5","6","1","2","3","1") = "5"
    & skf21("4","2","5","6","1","2","4","1") = "5"
    & skf21("4","2","5","6","1","2","5","1") = "5"
    & skf21("4","2","5","6","1","2","6","1") = "5"
    & skf21("4","2","5","6","1","2","7","1") = "6"
    & skf21("4","2","5","6","1","3","1","1") = "5"
    & skf21("4","2","5","6","1","3","2","1") = "5"
    & skf21("4","2","5","6","1","3","3","1") = "5"
    & skf21("4","2","5","6","1","3","4","1") = "5"
    & skf21("4","2","5","6","1","3","5","1") = "5"
    & skf21("4","2","5","6","1","3","6","1") = "5"
    & skf21("4","2","5","6","1","3","7","1") = "6"
    & skf21("4","2","5","6","1","4","1","1") = "5"
    & skf21("4","2","5","6","1","4","2","1") = "5"
    & skf21("4","2","5","6","1","4","3","1") = "5"
    & skf21("4","2","5","6","1","4","4","1") = "5"
    & skf21("4","2","5","6","1","4","5","1") = "5"
    & skf21("4","2","5","6","1","4","6","1") = "5"
    & skf21("4","2","5","6","1","4","7","1") = "6"
    & skf21("4","2","5","6","1","5","1","1") = "5"
    & skf21("4","2","5","6","1","5","2","1") = "5"
    & skf21("4","2","5","6","1","5","3","1") = "5"
    & skf21("4","2","5","6","1","5","4","1") = "5"
    & skf21("4","2","5","6","1","5","5","1") = "5"
    & skf21("4","2","5","6","1","5","6","1") = "5"
    & skf21("4","2","5","6","1","5","7","1") = "6"
    & skf21("4","2","5","6","1","6","1","1") = "5"
    & skf21("4","2","5","6","1","6","2","1") = "5"
    & skf21("4","2","5","6","1","6","3","1") = "5"
    & skf21("4","2","5","6","1","6","4","1") = "5"
    & skf21("4","2","5","6","1","6","5","1") = "5"
    & skf21("4","2","5","6","1","6","6","1") = "5"
    & skf21("4","2","5","6","1","6","7","1") = "6"
    & skf21("4","2","5","6","1","7","1","1") = "6"
    & skf21("4","2","5","6","1","7","2","1") = "6"
    & skf21("4","2","5","6","1","7","3","1") = "6"
    & skf21("4","2","5","6","1","7","4","1") = "6"
    & skf21("4","2","5","6","1","7","5","1") = "6"
    & skf21("4","2","5","6","1","7","6","1") = "6"
    & skf21("4","2","5","6","1","7","7","1") = "6"
    & skf21("4","2","5","6","2","1","1","1") = "5"
    & skf21("4","2","5","6","2","1","2","1") = "5"
    & skf21("4","2","5","6","2","1","3","1") = "5"
    & skf21("4","2","5","6","2","1","4","1") = "5"
    & skf21("4","2","5","6","2","1","5","1") = "5"
    & skf21("4","2","5","6","2","1","6","1") = "5"
    & skf21("4","2","5","6","2","1","7","1") = "6"
    & skf21("4","2","5","6","2","2","1","1") = "5"
    & skf21("4","2","5","6","2","2","2","1") = "5"
    & skf21("4","2","5","6","2","2","3","1") = "5"
    & skf21("4","2","5","6","2","2","4","1") = "5"
    & skf21("4","2","5","6","2","2","5","1") = "5"
    & skf21("4","2","5","6","2","2","6","1") = "5"
    & skf21("4","2","5","6","2","2","7","1") = "6"
    & skf21("4","2","5","6","2","3","1","1") = "5"
    & skf21("4","2","5","6","2","3","2","1") = "5"
    & skf21("4","2","5","6","2","3","3","1") = "5"
    & skf21("4","2","5","6","2","3","4","1") = "5"
    & skf21("4","2","5","6","2","3","5","1") = "5"
    & skf21("4","2","5","6","2","3","6","1") = "5"
    & skf21("4","2","5","6","2","3","7","1") = "6"
    & skf21("4","2","5","6","2","4","1","1") = "5"
    & skf21("4","2","5","6","2","4","2","1") = "5"
    & skf21("4","2","5","6","2","4","3","1") = "5"
    & skf21("4","2","5","6","2","4","4","1") = "5"
    & skf21("4","2","5","6","2","4","5","1") = "5"
    & skf21("4","2","5","6","2","4","6","1") = "5"
    & skf21("4","2","5","6","2","4","7","1") = "6"
    & skf21("4","2","5","6","2","5","1","1") = "5"
    & skf21("4","2","5","6","2","5","2","1") = "5"
    & skf21("4","2","5","6","2","5","3","1") = "5"
    & skf21("4","2","5","6","2","5","4","1") = "5"
    & skf21("4","2","5","6","2","5","5","1") = "5"
    & skf21("4","2","5","6","2","5","6","1") = "5"
    & skf21("4","2","5","6","2","5","7","1") = "6"
    & skf21("4","2","5","6","2","6","1","1") = "5"
    & skf21("4","2","5","6","2","6","2","1") = "5"
    & skf21("4","2","5","6","2","6","3","1") = "5"
    & skf21("4","2","5","6","2","6","4","1") = "5"
    & skf21("4","2","5","6","2","6","5","1") = "5"
    & skf21("4","2","5","6","2","6","6","1") = "5"
    & skf21("4","2","5","6","2","6","7","1") = "6"
    & skf21("4","2","5","6","2","7","1","1") = "6"
    & skf21("4","2","5","6","2","7","2","1") = "6"
    & skf21("4","2","5","6","2","7","3","1") = "6"
    & skf21("4","2","5","6","2","7","4","1") = "6"
    & skf21("4","2","5","6","2","7","5","1") = "6"
    & skf21("4","2","5","6","2","7","6","1") = "6"
    & skf21("4","2","5","6","2","7","7","1") = "6"
    & skf21("4","2","5","6","3","1","1","1") = "5"
    & skf21("4","2","5","6","3","1","2","1") = "5"
    & skf21("4","2","5","6","3","1","3","1") = "5"
    & skf21("4","2","5","6","3","1","4","1") = "5"
    & skf21("4","2","5","6","3","1","5","1") = "5"
    & skf21("4","2","5","6","3","1","6","1") = "5"
    & skf21("4","2","5","6","3","1","7","1") = "6"
    & skf21("4","2","5","6","3","2","1","1") = "5"
    & skf21("4","2","5","6","3","2","2","1") = "5"
    & skf21("4","2","5","6","3","2","3","1") = "5"
    & skf21("4","2","5","6","3","2","4","1") = "5"
    & skf21("4","2","5","6","3","2","5","1") = "5"
    & skf21("4","2","5","6","3","2","6","1") = "5"
    & skf21("4","2","5","6","3","2","7","1") = "6"
    & skf21("4","2","5","6","3","3","1","1") = "5"
    & skf21("4","2","5","6","3","3","2","1") = "5"
    & skf21("4","2","5","6","3","3","3","1") = "5"
    & skf21("4","2","5","6","3","3","4","1") = "5"
    & skf21("4","2","5","6","3","3","5","1") = "5"
    & skf21("4","2","5","6","3","3","6","1") = "5"
    & skf21("4","2","5","6","3","3","7","1") = "6"
    & skf21("4","2","5","6","3","4","1","1") = "5"
    & skf21("4","2","5","6","3","4","2","1") = "5"
    & skf21("4","2","5","6","3","4","3","1") = "5"
    & skf21("4","2","5","6","3","4","4","1") = "5"
    & skf21("4","2","5","6","3","4","5","1") = "5"
    & skf21("4","2","5","6","3","4","6","1") = "5"
    & skf21("4","2","5","6","3","4","7","1") = "6"
    & skf21("4","2","5","6","3","5","1","1") = "5"
    & skf21("4","2","5","6","3","5","2","1") = "5"
    & skf21("4","2","5","6","3","5","3","1") = "5"
    & skf21("4","2","5","6","3","5","4","1") = "5"
    & skf21("4","2","5","6","3","5","5","1") = "5"
    & skf21("4","2","5","6","3","5","6","1") = "5"
    & skf21("4","2","5","6","3","5","7","1") = "6"
    & skf21("4","2","5","6","3","6","1","1") = "5"
    & skf21("4","2","5","6","3","6","2","1") = "5"
    & skf21("4","2","5","6","3","6","3","1") = "5"
    & skf21("4","2","5","6","3","6","4","1") = "5"
    & skf21("4","2","5","6","3","6","5","1") = "5"
    & skf21("4","2","5","6","3","6","6","1") = "5"
    & skf21("4","2","5","6","3","6","7","1") = "6"
    & skf21("4","2","5","6","3","7","1","1") = "6"
    & skf21("4","2","5","6","3","7","2","1") = "6"
    & skf21("4","2","5","6","3","7","3","1") = "6"
    & skf21("4","2","5","6","3","7","4","1") = "6"
    & skf21("4","2","5","6","3","7","5","1") = "6"
    & skf21("4","2","5","6","3","7","6","1") = "6"
    & skf21("4","2","5","6","3","7","7","1") = "6"
    & skf21("4","2","5","6","4","1","1","1") = "5"
    & skf21("4","2","5","6","4","1","2","1") = "5"
    & skf21("4","2","5","6","4","1","3","1") = "5"
    & skf21("4","2","5","6","4","1","4","1") = "5"
    & skf21("4","2","5","6","4","1","5","1") = "5"
    & skf21("4","2","5","6","4","1","6","1") = "5"
    & skf21("4","2","5","6","4","1","7","1") = "6"
    & skf21("4","2","5","6","4","2","1","1") = "5"
    & skf21("4","2","5","6","4","2","2","1") = "5"
    & skf21("4","2","5","6","4","2","3","1") = "5"
    & skf21("4","2","5","6","4","2","4","1") = "5"
    & skf21("4","2","5","6","4","2","5","1") = "5"
    & skf21("4","2","5","6","4","2","6","1") = "5"
    & skf21("4","2","5","6","4","2","7","1") = "6"
    & skf21("4","2","5","6","4","3","1","1") = "5"
    & skf21("4","2","5","6","4","3","2","1") = "5"
    & skf21("4","2","5","6","4","3","3","1") = "5"
    & skf21("4","2","5","6","4","3","4","1") = "5"
    & skf21("4","2","5","6","4","3","5","1") = "5"
    & skf21("4","2","5","6","4","3","6","1") = "5"
    & skf21("4","2","5","6","4","3","7","1") = "6"
    & skf21("4","2","5","6","4","4","1","1") = "5"
    & skf21("4","2","5","6","4","4","2","1") = "5"
    & skf21("4","2","5","6","4","4","3","1") = "5"
    & skf21("4","2","5","6","4","4","4","1") = "5"
    & skf21("4","2","5","6","4","4","5","1") = "5"
    & skf21("4","2","5","6","4","4","6","1") = "5"
    & skf21("4","2","5","6","4","4","7","1") = "6"
    & skf21("4","2","5","6","4","5","1","1") = "5"
    & skf21("4","2","5","6","4","5","2","1") = "5"
    & skf21("4","2","5","6","4","5","3","1") = "5"
    & skf21("4","2","5","6","4","5","4","1") = "5"
    & skf21("4","2","5","6","4","5","5","1") = "5"
    & skf21("4","2","5","6","4","5","6","1") = "5"
    & skf21("4","2","5","6","4","5","7","1") = "6"
    & skf21("4","2","5","6","4","6","1","1") = "5"
    & skf21("4","2","5","6","4","6","2","1") = "5"
    & skf21("4","2","5","6","4","6","3","1") = "5"
    & skf21("4","2","5","6","4","6","4","1") = "5"
    & skf21("4","2","5","6","4","6","5","1") = "5"
    & skf21("4","2","5","6","4","6","6","1") = "5"
    & skf21("4","2","5","6","4","6","7","1") = "6"
    & skf21("4","2","5","6","4","7","1","1") = "6"
    & skf21("4","2","5","6","4","7","2","1") = "6"
    & skf21("4","2","5","6","4","7","3","1") = "6"
    & skf21("4","2","5","6","4","7","4","1") = "6"
    & skf21("4","2","5","6","4","7","5","1") = "6"
    & skf21("4","2","5","6","4","7","6","1") = "6"
    & skf21("4","2","5","6","4","7","7","1") = "6"
    & skf21("4","2","5","6","5","1","1","1") = "5"
    & skf21("4","2","5","6","5","1","2","1") = "5"
    & skf21("4","2","5","6","5","1","3","1") = "5"
    & skf21("4","2","5","6","5","1","4","1") = "5"
    & skf21("4","2","5","6","5","1","5","1") = "5"
    & skf21("4","2","5","6","5","1","6","1") = "5"
    & skf21("4","2","5","6","5","1","7","1") = "6"
    & skf21("4","2","5","6","5","2","1","1") = "5"
    & skf21("4","2","5","6","5","2","2","1") = "5"
    & skf21("4","2","5","6","5","2","3","1") = "5"
    & skf21("4","2","5","6","5","2","4","1") = "5"
    & skf21("4","2","5","6","5","2","5","1") = "5"
    & skf21("4","2","5","6","5","2","6","1") = "5"
    & skf21("4","2","5","6","5","2","7","1") = "6"
    & skf21("4","2","5","6","5","3","1","1") = "5"
    & skf21("4","2","5","6","5","3","2","1") = "5"
    & skf21("4","2","5","6","5","3","3","1") = "5"
    & skf21("4","2","5","6","5","3","4","1") = "5"
    & skf21("4","2","5","6","5","3","5","1") = "5"
    & skf21("4","2","5","6","5","3","6","1") = "5"
    & skf21("4","2","5","6","5","3","7","1") = "6"
    & skf21("4","2","5","6","5","4","1","1") = "5"
    & skf21("4","2","5","6","5","4","2","1") = "5"
    & skf21("4","2","5","6","5","4","3","1") = "5"
    & skf21("4","2","5","6","5","4","4","1") = "5"
    & skf21("4","2","5","6","5","4","5","1") = "5"
    & skf21("4","2","5","6","5","4","6","1") = "5"
    & skf21("4","2","5","6","5","4","7","1") = "6"
    & skf21("4","2","5","6","5","5","1","1") = "5"
    & skf21("4","2","5","6","5","5","2","1") = "5"
    & skf21("4","2","5","6","5","5","3","1") = "5"
    & skf21("4","2","5","6","5","5","4","1") = "5"
    & skf21("4","2","5","6","5","5","5","1") = "5"
    & skf21("4","2","5","6","5","5","6","1") = "5"
    & skf21("4","2","5","6","5","5","7","1") = "6"
    & skf21("4","2","5","6","5","6","1","1") = "5"
    & skf21("4","2","5","6","5","6","2","1") = "5"
    & skf21("4","2","5","6","5","6","3","1") = "5"
    & skf21("4","2","5","6","5","6","4","1") = "5"
    & skf21("4","2","5","6","5","6","5","1") = "5"
    & skf21("4","2","5","6","5","6","6","1") = "5"
    & skf21("4","2","5","6","5","6","7","1") = "6"
    & skf21("4","2","5","6","5","7","1","1") = "6"
    & skf21("4","2","5","6","5","7","2","1") = "6"
    & skf21("4","2","5","6","5","7","3","1") = "6"
    & skf21("4","2","5","6","5","7","4","1") = "6"
    & skf21("4","2","5","6","5","7","5","1") = "6"
    & skf21("4","2","5","6","5","7","6","1") = "6"
    & skf21("4","2","5","6","5","7","7","1") = "6"
    & skf21("4","2","5","6","6","1","1","1") = "5"
    & skf21("4","2","5","6","6","1","2","1") = "5"
    & skf21("4","2","5","6","6","1","3","1") = "5"
    & skf21("4","2","5","6","6","1","4","1") = "5"
    & skf21("4","2","5","6","6","1","5","1") = "5"
    & skf21("4","2","5","6","6","1","6","1") = "5"
    & skf21("4","2","5","6","6","1","7","1") = "6"
    & skf21("4","2","5","6","6","2","1","1") = "5"
    & skf21("4","2","5","6","6","2","2","1") = "5"
    & skf21("4","2","5","6","6","2","3","1") = "5"
    & skf21("4","2","5","6","6","2","4","1") = "5"
    & skf21("4","2","5","6","6","2","5","1") = "5"
    & skf21("4","2","5","6","6","2","6","1") = "5"
    & skf21("4","2","5","6","6","2","7","1") = "6"
    & skf21("4","2","5","6","6","3","1","1") = "5"
    & skf21("4","2","5","6","6","3","2","1") = "5"
    & skf21("4","2","5","6","6","3","3","1") = "5"
    & skf21("4","2","5","6","6","3","4","1") = "5"
    & skf21("4","2","5","6","6","3","5","1") = "5"
    & skf21("4","2","5","6","6","3","6","1") = "5"
    & skf21("4","2","5","6","6","3","7","1") = "6"
    & skf21("4","2","5","6","6","4","1","1") = "5"
    & skf21("4","2","5","6","6","4","2","1") = "5"
    & skf21("4","2","5","6","6","4","3","1") = "5"
    & skf21("4","2","5","6","6","4","4","1") = "5"
    & skf21("4","2","5","6","6","4","5","1") = "5"
    & skf21("4","2","5","6","6","4","6","1") = "5"
    & skf21("4","2","5","6","6","4","7","1") = "6"
    & skf21("4","2","5","6","6","5","1","1") = "5"
    & skf21("4","2","5","6","6","5","2","1") = "5"
    & skf21("4","2","5","6","6","5","3","1") = "5"
    & skf21("4","2","5","6","6","5","4","1") = "5"
    & skf21("4","2","5","6","6","5","5","1") = "5"
    & skf21("4","2","5","6","6","5","6","1") = "5"
    & skf21("4","2","5","6","6","5","7","1") = "6"
    & skf21("4","2","5","6","6","6","1","1") = "5"
    & skf21("4","2","5","6","6","6","2","1") = "5"
    & skf21("4","2","5","6","6","6","3","1") = "5"
    & skf21("4","2","5","6","6","6","4","1") = "5"
    & skf21("4","2","5","6","6","6","5","1") = "5"
    & skf21("4","2","5","6","6","6","6","1") = "5"
    & skf21("4","2","5","6","6","6","7","1") = "6"
    & skf21("4","2","5","6","6","7","1","1") = "6"
    & skf21("4","2","5","6","6","7","2","1") = "6"
    & skf21("4","2","5","6","6","7","3","1") = "6"
    & skf21("4","2","5","6","6","7","4","1") = "6"
    & skf21("4","2","5","6","6","7","5","1") = "6"
    & skf21("4","2","5","6","6","7","6","1") = "6"
    & skf21("4","2","5","6","6","7","7","1") = "6"
    & skf21("4","2","5","6","7","1","1","1") = "6"
    & skf21("4","2","5","6","7","1","2","1") = "6"
    & skf21("4","2","5","6","7","1","3","1") = "6"
    & skf21("4","2","5","6","7","1","4","1") = "6"
    & skf21("4","2","5","6","7","1","5","1") = "6"
    & skf21("4","2","5","6","7","1","6","1") = "6"
    & skf21("4","2","5","6","7","1","7","1") = "6"
    & skf21("4","2","5","6","7","2","1","1") = "6"
    & skf21("4","2","5","6","7","2","2","1") = "6"
    & skf21("4","2","5","6","7","2","3","1") = "6"
    & skf21("4","2","5","6","7","2","4","1") = "6"
    & skf21("4","2","5","6","7","2","5","1") = "6"
    & skf21("4","2","5","6","7","2","6","1") = "6"
    & skf21("4","2","5","6","7","2","7","1") = "6"
    & skf21("4","2","5","6","7","3","1","1") = "6"
    & skf21("4","2","5","6","7","3","2","1") = "6"
    & skf21("4","2","5","6","7","3","3","1") = "6"
    & skf21("4","2","5","6","7","3","4","1") = "6"
    & skf21("4","2","5","6","7","3","5","1") = "6"
    & skf21("4","2","5","6","7","3","6","1") = "6"
    & skf21("4","2","5","6","7","3","7","1") = "6"
    & skf21("4","2","5","6","7","4","1","1") = "6"
    & skf21("4","2","5","6","7","4","2","1") = "6"
    & skf21("4","2","5","6","7","4","3","1") = "6"
    & skf21("4","2","5","6","7","4","4","1") = "6"
    & skf21("4","2","5","6","7","4","5","1") = "6"
    & skf21("4","2","5","6","7","4","6","1") = "6"
    & skf21("4","2","5","6","7","4","7","1") = "6"
    & skf21("4","2","5","6","7","5","1","1") = "6"
    & skf21("4","2","5","6","7","5","2","1") = "6"
    & skf21("4","2","5","6","7","5","3","1") = "6"
    & skf21("4","2","5","6","7","5","4","1") = "6"
    & skf21("4","2","5","6","7","5","5","1") = "6"
    & skf21("4","2","5","6","7","5","6","1") = "6"
    & skf21("4","2","5","6","7","5","7","1") = "6"
    & skf21("4","2","5","6","7","6","1","1") = "6"
    & skf21("4","2","5","6","7","6","2","1") = "6"
    & skf21("4","2","5","6","7","6","3","1") = "6"
    & skf21("4","2","5","6","7","6","4","1") = "6"
    & skf21("4","2","5","6","7","6","5","1") = "6"
    & skf21("4","2","5","6","7","6","6","1") = "6"
    & skf21("4","2","5","6","7","6","7","1") = "6"
    & skf21("4","2","5","6","7","7","1","1") = "6"
    & skf21("4","2","5","6","7","7","2","1") = "6"
    & skf21("4","2","5","6","7","7","3","1") = "6"
    & skf21("4","2","5","6","7","7","4","1") = "6"
    & skf21("4","2","5","6","7","7","5","1") = "6"
    & skf21("4","2","5","6","7","7","6","1") = "6"
    & skf21("4","2","5","6","7","7","7","1") = "6"
    & skf21("4","2","5","7","1","1","1","1") = "6"
    & skf21("4","2","5","7","1","1","2","1") = "6"
    & skf21("4","2","5","7","1","1","3","1") = "6"
    & skf21("4","2","5","7","1","1","4","1") = "6"
    & skf21("4","2","5","7","1","1","5","1") = "6"
    & skf21("4","2","5","7","1","1","6","1") = "6"
    & skf21("4","2","5","7","1","1","7","1") = "6"
    & skf21("4","2","5","7","1","2","1","1") = "6"
    & skf21("4","2","5","7","1","2","2","1") = "6"
    & skf21("4","2","5","7","1","2","3","1") = "6"
    & skf21("4","2","5","7","1","2","4","1") = "6"
    & skf21("4","2","5","7","1","2","5","1") = "6"
    & skf21("4","2","5","7","1","2","6","1") = "6"
    & skf21("4","2","5","7","1","2","7","1") = "6"
    & skf21("4","2","5","7","1","3","1","1") = "6"
    & skf21("4","2","5","7","1","3","2","1") = "6"
    & skf21("4","2","5","7","1","3","3","1") = "6"
    & skf21("4","2","5","7","1","3","4","1") = "6"
    & skf21("4","2","5","7","1","3","5","1") = "6"
    & skf21("4","2","5","7","1","3","6","1") = "6"
    & skf21("4","2","5","7","1","3","7","1") = "6"
    & skf21("4","2","5","7","1","4","1","1") = "6"
    & skf21("4","2","5","7","1","4","2","1") = "6"
    & skf21("4","2","5","7","1","4","3","1") = "6"
    & skf21("4","2","5","7","1","4","4","1") = "6"
    & skf21("4","2","5","7","1","4","5","1") = "6"
    & skf21("4","2","5","7","1","4","6","1") = "6"
    & skf21("4","2","5","7","1","4","7","1") = "6"
    & skf21("4","2","5","7","1","5","1","1") = "6"
    & skf21("4","2","5","7","1","5","2","1") = "6"
    & skf21("4","2","5","7","1","5","3","1") = "6"
    & skf21("4","2","5","7","1","5","4","1") = "6"
    & skf21("4","2","5","7","1","5","5","1") = "6"
    & skf21("4","2","5","7","1","5","6","1") = "6"
    & skf21("4","2","5","7","1","5","7","1") = "6"
    & skf21("4","2","5","7","1","6","1","1") = "6"
    & skf21("4","2","5","7","1","6","2","1") = "6"
    & skf21("4","2","5","7","1","6","3","1") = "6"
    & skf21("4","2","5","7","1","6","4","1") = "6"
    & skf21("4","2","5","7","1","6","5","1") = "6"
    & skf21("4","2","5","7","1","6","6","1") = "6"
    & skf21("4","2","5","7","1","6","7","1") = "6"
    & skf21("4","2","5","7","1","7","1","1") = "6"
    & skf21("4","2","5","7","1","7","2","1") = "6"
    & skf21("4","2","5","7","1","7","3","1") = "6"
    & skf21("4","2","5","7","1","7","4","1") = "6"
    & skf21("4","2","5","7","1","7","5","1") = "6"
    & skf21("4","2","5","7","1","7","6","1") = "6"
    & skf21("4","2","5","7","1","7","7","1") = "6"
    & skf21("4","2","5","7","2","1","1","1") = "6"
    & skf21("4","2","5","7","2","1","2","1") = "6"
    & skf21("4","2","5","7","2","1","3","1") = "6"
    & skf21("4","2","5","7","2","1","4","1") = "6"
    & skf21("4","2","5","7","2","1","5","1") = "6"
    & skf21("4","2","5","7","2","1","6","1") = "6"
    & skf21("4","2","5","7","2","1","7","1") = "6"
    & skf21("4","2","5","7","2","2","1","1") = "6"
    & skf21("4","2","5","7","2","2","2","1") = "6"
    & skf21("4","2","5","7","2","2","3","1") = "6"
    & skf21("4","2","5","7","2","2","4","1") = "6"
    & skf21("4","2","5","7","2","2","5","1") = "6"
    & skf21("4","2","5","7","2","2","6","1") = "6"
    & skf21("4","2","5","7","2","2","7","1") = "6"
    & skf21("4","2","5","7","2","3","1","1") = "6"
    & skf21("4","2","5","7","2","3","2","1") = "6"
    & skf21("4","2","5","7","2","3","3","1") = "6"
    & skf21("4","2","5","7","2","3","4","1") = "6"
    & skf21("4","2","5","7","2","3","5","1") = "6"
    & skf21("4","2","5","7","2","3","6","1") = "6"
    & skf21("4","2","5","7","2","3","7","1") = "6"
    & skf21("4","2","5","7","2","4","1","1") = "6"
    & skf21("4","2","5","7","2","4","2","1") = "6"
    & skf21("4","2","5","7","2","4","3","1") = "6"
    & skf21("4","2","5","7","2","4","4","1") = "6"
    & skf21("4","2","5","7","2","4","5","1") = "6"
    & skf21("4","2","5","7","2","4","6","1") = "6"
    & skf21("4","2","5","7","2","4","7","1") = "6"
    & skf21("4","2","5","7","2","5","1","1") = "6"
    & skf21("4","2","5","7","2","5","2","1") = "6"
    & skf21("4","2","5","7","2","5","3","1") = "6"
    & skf21("4","2","5","7","2","5","4","1") = "6"
    & skf21("4","2","5","7","2","5","5","1") = "6"
    & skf21("4","2","5","7","2","5","6","1") = "6"
    & skf21("4","2","5","7","2","5","7","1") = "6"
    & skf21("4","2","5","7","2","6","1","1") = "6"
    & skf21("4","2","5","7","2","6","2","1") = "6"
    & skf21("4","2","5","7","2","6","3","1") = "6"
    & skf21("4","2","5","7","2","6","4","1") = "6"
    & skf21("4","2","5","7","2","6","5","1") = "6"
    & skf21("4","2","5","7","2","6","6","1") = "6"
    & skf21("4","2","5","7","2","6","7","1") = "6"
    & skf21("4","2","5","7","2","7","1","1") = "6"
    & skf21("4","2","5","7","2","7","2","1") = "6"
    & skf21("4","2","5","7","2","7","3","1") = "6"
    & skf21("4","2","5","7","2","7","4","1") = "6"
    & skf21("4","2","5","7","2","7","5","1") = "6"
    & skf21("4","2","5","7","2","7","6","1") = "6"
    & skf21("4","2","5","7","2","7","7","1") = "6"
    & skf21("4","2","5","7","3","1","1","1") = "6"
    & skf21("4","2","5","7","3","1","2","1") = "6"
    & skf21("4","2","5","7","3","1","3","1") = "6"
    & skf21("4","2","5","7","3","1","4","1") = "6"
    & skf21("4","2","5","7","3","1","5","1") = "6"
    & skf21("4","2","5","7","3","1","6","1") = "6"
    & skf21("4","2","5","7","3","1","7","1") = "6"
    & skf21("4","2","5","7","3","2","1","1") = "6"
    & skf21("4","2","5","7","3","2","2","1") = "6"
    & skf21("4","2","5","7","3","2","3","1") = "6"
    & skf21("4","2","5","7","3","2","4","1") = "6"
    & skf21("4","2","5","7","3","2","5","1") = "6"
    & skf21("4","2","5","7","3","2","6","1") = "6"
    & skf21("4","2","5","7","3","2","7","1") = "6"
    & skf21("4","2","5","7","3","3","1","1") = "6"
    & skf21("4","2","5","7","3","3","2","1") = "6"
    & skf21("4","2","5","7","3","3","3","1") = "6"
    & skf21("4","2","5","7","3","3","4","1") = "6"
    & skf21("4","2","5","7","3","3","5","1") = "6"
    & skf21("4","2","5","7","3","3","6","1") = "6"
    & skf21("4","2","5","7","3","3","7","1") = "6"
    & skf21("4","2","5","7","3","4","1","1") = "6"
    & skf21("4","2","5","7","3","4","2","1") = "6"
    & skf21("4","2","5","7","3","4","3","1") = "6"
    & skf21("4","2","5","7","3","4","4","1") = "6"
    & skf21("4","2","5","7","3","4","5","1") = "6"
    & skf21("4","2","5","7","3","4","6","1") = "6"
    & skf21("4","2","5","7","3","4","7","1") = "6"
    & skf21("4","2","5","7","3","5","1","1") = "6"
    & skf21("4","2","5","7","3","5","2","1") = "6"
    & skf21("4","2","5","7","3","5","3","1") = "6"
    & skf21("4","2","5","7","3","5","4","1") = "6"
    & skf21("4","2","5","7","3","5","5","1") = "6"
    & skf21("4","2","5","7","3","5","6","1") = "6"
    & skf21("4","2","5","7","3","5","7","1") = "6"
    & skf21("4","2","5","7","3","6","1","1") = "6"
    & skf21("4","2","5","7","3","6","2","1") = "6"
    & skf21("4","2","5","7","3","6","3","1") = "6"
    & skf21("4","2","5","7","3","6","4","1") = "6"
    & skf21("4","2","5","7","3","6","5","1") = "6"
    & skf21("4","2","5","7","3","6","6","1") = "6"
    & skf21("4","2","5","7","3","6","7","1") = "6"
    & skf21("4","2","5","7","3","7","1","1") = "6"
    & skf21("4","2","5","7","3","7","2","1") = "6"
    & skf21("4","2","5","7","3","7","3","1") = "6"
    & skf21("4","2","5","7","3","7","4","1") = "6"
    & skf21("4","2","5","7","3","7","5","1") = "6"
    & skf21("4","2","5","7","3","7","6","1") = "6"
    & skf21("4","2","5","7","3","7","7","1") = "6"
    & skf21("4","2","5","7","4","1","1","1") = "6"
    & skf21("4","2","5","7","4","1","2","1") = "6"
    & skf21("4","2","5","7","4","1","3","1") = "6"
    & skf21("4","2","5","7","4","1","4","1") = "6"
    & skf21("4","2","5","7","4","1","5","1") = "6"
    & skf21("4","2","5","7","4","1","6","1") = "6"
    & skf21("4","2","5","7","4","1","7","1") = "6"
    & skf21("4","2","5","7","4","2","1","1") = "6"
    & skf21("4","2","5","7","4","2","2","1") = "6"
    & skf21("4","2","5","7","4","2","3","1") = "6"
    & skf21("4","2","5","7","4","2","4","1") = "6"
    & skf21("4","2","5","7","4","2","5","1") = "6"
    & skf21("4","2","5","7","4","2","6","1") = "6"
    & skf21("4","2","5","7","4","2","7","1") = "6"
    & skf21("4","2","5","7","4","3","1","1") = "6"
    & skf21("4","2","5","7","4","3","2","1") = "6"
    & skf21("4","2","5","7","4","3","3","1") = "6"
    & skf21("4","2","5","7","4","3","4","1") = "6"
    & skf21("4","2","5","7","4","3","5","1") = "6"
    & skf21("4","2","5","7","4","3","6","1") = "6"
    & skf21("4","2","5","7","4","3","7","1") = "6"
    & skf21("4","2","5","7","4","4","1","1") = "6"
    & skf21("4","2","5","7","4","4","2","1") = "6"
    & skf21("4","2","5","7","4","4","3","1") = "6"
    & skf21("4","2","5","7","4","4","4","1") = "6"
    & skf21("4","2","5","7","4","4","5","1") = "6"
    & skf21("4","2","5","7","4","4","6","1") = "6"
    & skf21("4","2","5","7","4","4","7","1") = "6"
    & skf21("4","2","5","7","4","5","1","1") = "6"
    & skf21("4","2","5","7","4","5","2","1") = "6"
    & skf21("4","2","5","7","4","5","3","1") = "6"
    & skf21("4","2","5","7","4","5","4","1") = "6"
    & skf21("4","2","5","7","4","5","5","1") = "6"
    & skf21("4","2","5","7","4","5","6","1") = "6"
    & skf21("4","2","5","7","4","5","7","1") = "6"
    & skf21("4","2","5","7","4","6","1","1") = "6"
    & skf21("4","2","5","7","4","6","2","1") = "6"
    & skf21("4","2","5","7","4","6","3","1") = "6"
    & skf21("4","2","5","7","4","6","4","1") = "6"
    & skf21("4","2","5","7","4","6","5","1") = "6"
    & skf21("4","2","5","7","4","6","6","1") = "6"
    & skf21("4","2","5","7","4","6","7","1") = "6"
    & skf21("4","2","5","7","4","7","1","1") = "6"
    & skf21("4","2","5","7","4","7","2","1") = "6"
    & skf21("4","2","5","7","4","7","3","1") = "6"
    & skf21("4","2","5","7","4","7","4","1") = "6"
    & skf21("4","2","5","7","4","7","5","1") = "6"
    & skf21("4","2","5","7","4","7","6","1") = "6"
    & skf21("4","2","5","7","4","7","7","1") = "6"
    & skf21("4","2","5","7","5","1","1","1") = "6"
    & skf21("4","2","5","7","5","1","2","1") = "6"
    & skf21("4","2","5","7","5","1","3","1") = "6"
    & skf21("4","2","5","7","5","1","4","1") = "6"
    & skf21("4","2","5","7","5","1","5","1") = "6"
    & skf21("4","2","5","7","5","1","6","1") = "6"
    & skf21("4","2","5","7","5","1","7","1") = "6"
    & skf21("4","2","5","7","5","2","1","1") = "6"
    & skf21("4","2","5","7","5","2","2","1") = "6"
    & skf21("4","2","5","7","5","2","3","1") = "6"
    & skf21("4","2","5","7","5","2","4","1") = "6"
    & skf21("4","2","5","7","5","2","5","1") = "6"
    & skf21("4","2","5","7","5","2","6","1") = "6"
    & skf21("4","2","5","7","5","2","7","1") = "6"
    & skf21("4","2","5","7","5","3","1","1") = "6"
    & skf21("4","2","5","7","5","3","2","1") = "6"
    & skf21("4","2","5","7","5","3","3","1") = "6"
    & skf21("4","2","5","7","5","3","4","1") = "6"
    & skf21("4","2","5","7","5","3","5","1") = "6"
    & skf21("4","2","5","7","5","3","6","1") = "6"
    & skf21("4","2","5","7","5","3","7","1") = "6"
    & skf21("4","2","5","7","5","4","1","1") = "6"
    & skf21("4","2","5","7","5","4","2","1") = "6"
    & skf21("4","2","5","7","5","4","3","1") = "6"
    & skf21("4","2","5","7","5","4","4","1") = "6"
    & skf21("4","2","5","7","5","4","5","1") = "6"
    & skf21("4","2","5","7","5","4","6","1") = "6"
    & skf21("4","2","5","7","5","4","7","1") = "6"
    & skf21("4","2","5","7","5","5","1","1") = "6"
    & skf21("4","2","5","7","5","5","2","1") = "6"
    & skf21("4","2","5","7","5","5","3","1") = "6"
    & skf21("4","2","5","7","5","5","4","1") = "6"
    & skf21("4","2","5","7","5","5","5","1") = "6"
    & skf21("4","2","5","7","5","5","6","1") = "6"
    & skf21("4","2","5","7","5","5","7","1") = "6"
    & skf21("4","2","5","7","5","6","1","1") = "6"
    & skf21("4","2","5","7","5","6","2","1") = "6"
    & skf21("4","2","5","7","5","6","3","1") = "6"
    & skf21("4","2","5","7","5","6","4","1") = "6"
    & skf21("4","2","5","7","5","6","5","1") = "6"
    & skf21("4","2","5","7","5","6","6","1") = "6"
    & skf21("4","2","5","7","5","6","7","1") = "6"
    & skf21("4","2","5","7","5","7","1","1") = "6"
    & skf21("4","2","5","7","5","7","2","1") = "6"
    & skf21("4","2","5","7","5","7","3","1") = "6"
    & skf21("4","2","5","7","5","7","4","1") = "6"
    & skf21("4","2","5","7","5","7","5","1") = "6"
    & skf21("4","2","5","7","5","7","6","1") = "6"
    & skf21("4","2","5","7","5","7","7","1") = "6"
    & skf21("4","2","5","7","6","1","1","1") = "6"
    & skf21("4","2","5","7","6","1","2","1") = "6"
    & skf21("4","2","5","7","6","1","3","1") = "6"
    & skf21("4","2","5","7","6","1","4","1") = "6"
    & skf21("4","2","5","7","6","1","5","1") = "6"
    & skf21("4","2","5","7","6","1","6","1") = "6"
    & skf21("4","2","5","7","6","1","7","1") = "6"
    & skf21("4","2","5","7","6","2","1","1") = "6"
    & skf21("4","2","5","7","6","2","2","1") = "6"
    & skf21("4","2","5","7","6","2","3","1") = "6"
    & skf21("4","2","5","7","6","2","4","1") = "6"
    & skf21("4","2","5","7","6","2","5","1") = "6"
    & skf21("4","2","5","7","6","2","6","1") = "6"
    & skf21("4","2","5","7","6","2","7","1") = "6"
    & skf21("4","2","5","7","6","3","1","1") = "6"
    & skf21("4","2","5","7","6","3","2","1") = "6"
    & skf21("4","2","5","7","6","3","3","1") = "6"
    & skf21("4","2","5","7","6","3","4","1") = "6"
    & skf21("4","2","5","7","6","3","5","1") = "6"
    & skf21("4","2","5","7","6","3","6","1") = "6"
    & skf21("4","2","5","7","6","3","7","1") = "6"
    & skf21("4","2","5","7","6","4","1","1") = "6"
    & skf21("4","2","5","7","6","4","2","1") = "6"
    & skf21("4","2","5","7","6","4","3","1") = "6"
    & skf21("4","2","5","7","6","4","4","1") = "6"
    & skf21("4","2","5","7","6","4","5","1") = "6"
    & skf21("4","2","5","7","6","4","6","1") = "6"
    & skf21("4","2","5","7","6","4","7","1") = "6"
    & skf21("4","2","5","7","6","5","1","1") = "6"
    & skf21("4","2","5","7","6","5","2","1") = "6"
    & skf21("4","2","5","7","6","5","3","1") = "6"
    & skf21("4","2","5","7","6","5","4","1") = "6"
    & skf21("4","2","5","7","6","5","5","1") = "6"
    & skf21("4","2","5","7","6","5","6","1") = "6"
    & skf21("4","2","5","7","6","5","7","1") = "6"
    & skf21("4","2","5","7","6","6","1","1") = "6"
    & skf21("4","2","5","7","6","6","2","1") = "6"
    & skf21("4","2","5","7","6","6","3","1") = "6"
    & skf21("4","2","5","7","6","6","4","1") = "6"
    & skf21("4","2","5","7","6","6","5","1") = "6"
    & skf21("4","2","5","7","6","6","6","1") = "6"
    & skf21("4","2","5","7","6","6","7","1") = "6"
    & skf21("4","2","5","7","6","7","1","1") = "6"
    & skf21("4","2","5","7","6","7","2","1") = "6"
    & skf21("4","2","5","7","6","7","3","1") = "6"
    & skf21("4","2","5","7","6","7","4","1") = "6"
    & skf21("4","2","5","7","6","7","5","1") = "6"
    & skf21("4","2","5","7","6","7","6","1") = "6"
    & skf21("4","2","5","7","6","7","7","1") = "6"
    & skf21("4","2","5","7","7","1","1","1") = "6"
    & skf21("4","2","5","7","7","1","2","1") = "6"
    & skf21("4","2","5","7","7","1","3","1") = "6"
    & skf21("4","2","5","7","7","1","4","1") = "6"
    & skf21("4","2","5","7","7","1","5","1") = "6"
    & skf21("4","2","5","7","7","1","6","1") = "6"
    & skf21("4","2","5","7","7","1","7","1") = "6"
    & skf21("4","2","5","7","7","2","1","1") = "6"
    & skf21("4","2","5","7","7","2","2","1") = "6"
    & skf21("4","2","5","7","7","2","3","1") = "6"
    & skf21("4","2","5","7","7","2","4","1") = "6"
    & skf21("4","2","5","7","7","2","5","1") = "6"
    & skf21("4","2","5","7","7","2","6","1") = "6"
    & skf21("4","2","5","7","7","2","7","1") = "6"
    & skf21("4","2","5","7","7","3","1","1") = "6"
    & skf21("4","2","5","7","7","3","2","1") = "6"
    & skf21("4","2","5","7","7","3","3","1") = "6"
    & skf21("4","2","5","7","7","3","4","1") = "6"
    & skf21("4","2","5","7","7","3","5","1") = "6"
    & skf21("4","2","5","7","7","3","6","1") = "6"
    & skf21("4","2","5","7","7","3","7","1") = "6"
    & skf21("4","2","5","7","7","4","1","1") = "6"
    & skf21("4","2","5","7","7","4","2","1") = "6"
    & skf21("4","2","5","7","7","4","3","1") = "6"
    & skf21("4","2","5","7","7","4","4","1") = "6"
    & skf21("4","2","5","7","7","4","5","1") = "6"
    & skf21("4","2","5","7","7","4","6","1") = "6"
    & skf21("4","2","5","7","7","4","7","1") = "6"
    & skf21("4","2","5","7","7","5","1","1") = "6"
    & skf21("4","2","5","7","7","5","2","1") = "6"
    & skf21("4","2","5","7","7","5","3","1") = "6"
    & skf21("4","2","5","7","7","5","4","1") = "6"
    & skf21("4","2","5","7","7","5","5","1") = "6"
    & skf21("4","2","5","7","7","5","6","1") = "6"
    & skf21("4","2","5","7","7","5","7","1") = "6"
    & skf21("4","2","5","7","7","6","1","1") = "6"
    & skf21("4","2","5","7","7","6","2","1") = "6"
    & skf21("4","2","5","7","7","6","3","1") = "6"
    & skf21("4","2","5","7","7","6","4","1") = "6"
    & skf21("4","2","5","7","7","6","5","1") = "6"
    & skf21("4","2","5","7","7","6","6","1") = "6"
    & skf21("4","2","5","7","7","6","7","1") = "6"
    & skf21("4","2","5","7","7","7","1","1") = "6"
    & skf21("4","2","5","7","7","7","2","1") = "6"
    & skf21("4","2","5","7","7","7","3","1") = "6"
    & skf21("4","2","5","7","7","7","4","1") = "6"
    & skf21("4","2","5","7","7","7","5","1") = "6"
    & skf21("4","2","5","7","7","7","6","1") = "6"
    & skf21("4","2","5","7","7","7","7","1") = "6"
    & skf21("4","2","6","1","1","1","1","1") = "5"
    & skf21("4","2","6","1","1","1","2","1") = "5"
    & skf21("4","2","6","1","1","1","3","1") = "5"
    & skf21("4","2","6","1","1","1","4","1") = "5"
    & skf21("4","2","6","1","1","1","5","1") = "5"
    & skf21("4","2","6","1","1","1","6","1") = "5"
    & skf21("4","2","6","1","1","1","7","1") = "6"
    & skf21("4","2","6","1","1","2","1","1") = "5"
    & skf21("4","2","6","1","1","2","2","1") = "5"
    & skf21("4","2","6","1","1","2","3","1") = "5"
    & skf21("4","2","6","1","1","2","4","1") = "5"
    & skf21("4","2","6","1","1","2","5","1") = "5"
    & skf21("4","2","6","1","1","2","6","1") = "5"
    & skf21("4","2","6","1","1","2","7","1") = "6"
    & skf21("4","2","6","1","1","3","1","1") = "5"
    & skf21("4","2","6","1","1","3","2","1") = "5"
    & skf21("4","2","6","1","1","3","3","1") = "5"
    & skf21("4","2","6","1","1","3","4","1") = "5"
    & skf21("4","2","6","1","1","3","5","1") = "5"
    & skf21("4","2","6","1","1","3","6","1") = "5"
    & skf21("4","2","6","1","1","3","7","1") = "6"
    & skf21("4","2","6","1","1","4","1","1") = "5"
    & skf21("4","2","6","1","1","4","2","1") = "5"
    & skf21("4","2","6","1","1","4","3","1") = "5"
    & skf21("4","2","6","1","1","4","4","1") = "5"
    & skf21("4","2","6","1","1","4","5","1") = "5"
    & skf21("4","2","6","1","1","4","6","1") = "5"
    & skf21("4","2","6","1","1","4","7","1") = "6"
    & skf21("4","2","6","1","1","5","1","1") = "5"
    & skf21("4","2","6","1","1","5","2","1") = "5"
    & skf21("4","2","6","1","1","5","3","1") = "5"
    & skf21("4","2","6","1","1","5","4","1") = "5"
    & skf21("4","2","6","1","1","5","5","1") = "5"
    & skf21("4","2","6","1","1","5","6","1") = "5"
    & skf21("4","2","6","1","1","5","7","1") = "6"
    & skf21("4","2","6","1","1","6","1","1") = "5"
    & skf21("4","2","6","1","1","6","2","1") = "5"
    & skf21("4","2","6","1","1","6","3","1") = "5"
    & skf21("4","2","6","1","1","6","4","1") = "5"
    & skf21("4","2","6","1","1","6","5","1") = "5"
    & skf21("4","2","6","1","1","6","6","1") = "5"
    & skf21("4","2","6","1","1","6","7","1") = "6"
    & skf21("4","2","6","1","1","7","1","1") = "6"
    & skf21("4","2","6","1","1","7","2","1") = "6"
    & skf21("4","2","6","1","1","7","3","1") = "6"
    & skf21("4","2","6","1","1","7","4","1") = "6"
    & skf21("4","2","6","1","1","7","5","1") = "6"
    & skf21("4","2","6","1","1","7","6","1") = "6"
    & skf21("4","2","6","1","1","7","7","1") = "6"
    & skf21("4","2","6","1","2","1","1","1") = "5"
    & skf21("4","2","6","1","2","1","2","1") = "5"
    & skf21("4","2","6","1","2","1","3","1") = "5"
    & skf21("4","2","6","1","2","1","4","1") = "5"
    & skf21("4","2","6","1","2","1","5","1") = "5"
    & skf21("4","2","6","1","2","1","6","1") = "5"
    & skf21("4","2","6","1","2","1","7","1") = "6"
    & skf21("4","2","6","1","2","2","1","1") = "5"
    & skf21("4","2","6","1","2","2","2","1") = "5"
    & skf21("4","2","6","1","2","2","3","1") = "5"
    & skf21("4","2","6","1","2","2","4","1") = "5"
    & skf21("4","2","6","1","2","2","5","1") = "5"
    & skf21("4","2","6","1","2","2","6","1") = "5"
    & skf21("4","2","6","1","2","2","7","1") = "6"
    & skf21("4","2","6","1","2","3","1","1") = "5"
    & skf21("4","2","6","1","2","3","2","1") = "5"
    & skf21("4","2","6","1","2","3","3","1") = "5"
    & skf21("4","2","6","1","2","3","4","1") = "5"
    & skf21("4","2","6","1","2","3","5","1") = "5"
    & skf21("4","2","6","1","2","3","6","1") = "5"
    & skf21("4","2","6","1","2","3","7","1") = "6"
    & skf21("4","2","6","1","2","4","1","1") = "5"
    & skf21("4","2","6","1","2","4","2","1") = "5"
    & skf21("4","2","6","1","2","4","3","1") = "5"
    & skf21("4","2","6","1","2","4","4","1") = "5"
    & skf21("4","2","6","1","2","4","5","1") = "5"
    & skf21("4","2","6","1","2","4","6","1") = "5"
    & skf21("4","2","6","1","2","4","7","1") = "6"
    & skf21("4","2","6","1","2","5","1","1") = "5"
    & skf21("4","2","6","1","2","5","2","1") = "5"
    & skf21("4","2","6","1","2","5","3","1") = "5"
    & skf21("4","2","6","1","2","5","4","1") = "5"
    & skf21("4","2","6","1","2","5","5","1") = "5"
    & skf21("4","2","6","1","2","5","6","1") = "5"
    & skf21("4","2","6","1","2","5","7","1") = "6"
    & skf21("4","2","6","1","2","6","1","1") = "5"
    & skf21("4","2","6","1","2","6","2","1") = "5"
    & skf21("4","2","6","1","2","6","3","1") = "5"
    & skf21("4","2","6","1","2","6","4","1") = "5"
    & skf21("4","2","6","1","2","6","5","1") = "5"
    & skf21("4","2","6","1","2","6","6","1") = "5"
    & skf21("4","2","6","1","2","6","7","1") = "6"
    & skf21("4","2","6","1","2","7","1","1") = "6"
    & skf21("4","2","6","1","2","7","2","1") = "6"
    & skf21("4","2","6","1","2","7","3","1") = "6"
    & skf21("4","2","6","1","2","7","4","1") = "6"
    & skf21("4","2","6","1","2","7","5","1") = "6"
    & skf21("4","2","6","1","2","7","6","1") = "6"
    & skf21("4","2","6","1","2","7","7","1") = "6"
    & skf21("4","2","6","1","3","1","1","1") = "5"
    & skf21("4","2","6","1","3","1","2","1") = "5"
    & skf21("4","2","6","1","3","1","3","1") = "5"
    & skf21("4","2","6","1","3","1","4","1") = "5"
    & skf21("4","2","6","1","3","1","5","1") = "5"
    & skf21("4","2","6","1","3","1","6","1") = "5"
    & skf21("4","2","6","1","3","1","7","1") = "6"
    & skf21("4","2","6","1","3","2","1","1") = "5"
    & skf21("4","2","6","1","3","2","2","1") = "5"
    & skf21("4","2","6","1","3","2","3","1") = "5"
    & skf21("4","2","6","1","3","2","4","1") = "5"
    & skf21("4","2","6","1","3","2","5","1") = "5"
    & skf21("4","2","6","1","3","2","6","1") = "5"
    & skf21("4","2","6","1","3","2","7","1") = "6"
    & skf21("4","2","6","1","3","3","1","1") = "5"
    & skf21("4","2","6","1","3","3","2","1") = "5"
    & skf21("4","2","6","1","3","3","3","1") = "5"
    & skf21("4","2","6","1","3","3","4","1") = "5"
    & skf21("4","2","6","1","3","3","5","1") = "5"
    & skf21("4","2","6","1","3","3","6","1") = "5"
    & skf21("4","2","6","1","3","3","7","1") = "6"
    & skf21("4","2","6","1","3","4","1","1") = "5"
    & skf21("4","2","6","1","3","4","2","1") = "5"
    & skf21("4","2","6","1","3","4","3","1") = "5"
    & skf21("4","2","6","1","3","4","4","1") = "5"
    & skf21("4","2","6","1","3","4","5","1") = "5"
    & skf21("4","2","6","1","3","4","6","1") = "5"
    & skf21("4","2","6","1","3","4","7","1") = "6"
    & skf21("4","2","6","1","3","5","1","1") = "5"
    & skf21("4","2","6","1","3","5","2","1") = "5"
    & skf21("4","2","6","1","3","5","3","1") = "5"
    & skf21("4","2","6","1","3","5","4","1") = "5"
    & skf21("4","2","6","1","3","5","5","1") = "5"
    & skf21("4","2","6","1","3","5","6","1") = "5"
    & skf21("4","2","6","1","3","5","7","1") = "6"
    & skf21("4","2","6","1","3","6","1","1") = "5"
    & skf21("4","2","6","1","3","6","2","1") = "5"
    & skf21("4","2","6","1","3","6","3","1") = "5"
    & skf21("4","2","6","1","3","6","4","1") = "5"
    & skf21("4","2","6","1","3","6","5","1") = "5"
    & skf21("4","2","6","1","3","6","6","1") = "5"
    & skf21("4","2","6","1","3","6","7","1") = "6"
    & skf21("4","2","6","1","3","7","1","1") = "6"
    & skf21("4","2","6","1","3","7","2","1") = "6"
    & skf21("4","2","6","1","3","7","3","1") = "6"
    & skf21("4","2","6","1","3","7","4","1") = "6"
    & skf21("4","2","6","1","3","7","5","1") = "6"
    & skf21("4","2","6","1","3","7","6","1") = "6"
    & skf21("4","2","6","1","3","7","7","1") = "6"
    & skf21("4","2","6","1","4","1","1","1") = "5"
    & skf21("4","2","6","1","4","1","2","1") = "5"
    & skf21("4","2","6","1","4","1","3","1") = "5"
    & skf21("4","2","6","1","4","1","4","1") = "5"
    & skf21("4","2","6","1","4","1","5","1") = "5"
    & skf21("4","2","6","1","4","1","6","1") = "5"
    & skf21("4","2","6","1","4","1","7","1") = "6"
    & skf21("4","2","6","1","4","2","1","1") = "5"
    & skf21("4","2","6","1","4","2","2","1") = "5"
    & skf21("4","2","6","1","4","2","3","1") = "5"
    & skf21("4","2","6","1","4","2","4","1") = "5"
    & skf21("4","2","6","1","4","2","5","1") = "5"
    & skf21("4","2","6","1","4","2","6","1") = "5"
    & skf21("4","2","6","1","4","2","7","1") = "6"
    & skf21("4","2","6","1","4","3","1","1") = "5"
    & skf21("4","2","6","1","4","3","2","1") = "5"
    & skf21("4","2","6","1","4","3","3","1") = "5"
    & skf21("4","2","6","1","4","3","4","1") = "5"
    & skf21("4","2","6","1","4","3","5","1") = "5"
    & skf21("4","2","6","1","4","3","6","1") = "5"
    & skf21("4","2","6","1","4","3","7","1") = "6"
    & skf21("4","2","6","1","4","4","1","1") = "5"
    & skf21("4","2","6","1","4","4","2","1") = "5"
    & skf21("4","2","6","1","4","4","3","1") = "5"
    & skf21("4","2","6","1","4","4","4","1") = "5"
    & skf21("4","2","6","1","4","4","5","1") = "5"
    & skf21("4","2","6","1","4","4","6","1") = "5"
    & skf21("4","2","6","1","4","4","7","1") = "6"
    & skf21("4","2","6","1","4","5","1","1") = "5"
    & skf21("4","2","6","1","4","5","2","1") = "5"
    & skf21("4","2","6","1","4","5","3","1") = "5"
    & skf21("4","2","6","1","4","5","4","1") = "5"
    & skf21("4","2","6","1","4","5","5","1") = "5"
    & skf21("4","2","6","1","4","5","6","1") = "5"
    & skf21("4","2","6","1","4","5","7","1") = "6"
    & skf21("4","2","6","1","4","6","1","1") = "5"
    & skf21("4","2","6","1","4","6","2","1") = "5"
    & skf21("4","2","6","1","4","6","3","1") = "5"
    & skf21("4","2","6","1","4","6","4","1") = "5"
    & skf21("4","2","6","1","4","6","5","1") = "5"
    & skf21("4","2","6","1","4","6","6","1") = "5"
    & skf21("4","2","6","1","4","6","7","1") = "6"
    & skf21("4","2","6","1","4","7","1","1") = "6"
    & skf21("4","2","6","1","4","7","2","1") = "6"
    & skf21("4","2","6","1","4","7","3","1") = "6"
    & skf21("4","2","6","1","4","7","4","1") = "6"
    & skf21("4","2","6","1","4","7","5","1") = "6"
    & skf21("4","2","6","1","4","7","6","1") = "6"
    & skf21("4","2","6","1","4","7","7","1") = "6"
    & skf21("4","2","6","1","5","1","1","1") = "5"
    & skf21("4","2","6","1","5","1","2","1") = "5"
    & skf21("4","2","6","1","5","1","3","1") = "5"
    & skf21("4","2","6","1","5","1","4","1") = "5"
    & skf21("4","2","6","1","5","1","5","1") = "5"
    & skf21("4","2","6","1","5","1","6","1") = "5"
    & skf21("4","2","6","1","5","1","7","1") = "6"
    & skf21("4","2","6","1","5","2","1","1") = "5"
    & skf21("4","2","6","1","5","2","2","1") = "5"
    & skf21("4","2","6","1","5","2","3","1") = "5"
    & skf21("4","2","6","1","5","2","4","1") = "5"
    & skf21("4","2","6","1","5","2","5","1") = "5"
    & skf21("4","2","6","1","5","2","6","1") = "5"
    & skf21("4","2","6","1","5","2","7","1") = "6"
    & skf21("4","2","6","1","5","3","1","1") = "5"
    & skf21("4","2","6","1","5","3","2","1") = "5"
    & skf21("4","2","6","1","5","3","3","1") = "5"
    & skf21("4","2","6","1","5","3","4","1") = "5"
    & skf21("4","2","6","1","5","3","5","1") = "5"
    & skf21("4","2","6","1","5","3","6","1") = "5"
    & skf21("4","2","6","1","5","3","7","1") = "6"
    & skf21("4","2","6","1","5","4","1","1") = "5"
    & skf21("4","2","6","1","5","4","2","1") = "5"
    & skf21("4","2","6","1","5","4","3","1") = "5"
    & skf21("4","2","6","1","5","4","4","1") = "5"
    & skf21("4","2","6","1","5","4","5","1") = "5"
    & skf21("4","2","6","1","5","4","6","1") = "5"
    & skf21("4","2","6","1","5","4","7","1") = "6"
    & skf21("4","2","6","1","5","5","1","1") = "5"
    & skf21("4","2","6","1","5","5","2","1") = "5"
    & skf21("4","2","6","1","5","5","3","1") = "5"
    & skf21("4","2","6","1","5","5","4","1") = "5"
    & skf21("4","2","6","1","5","5","5","1") = "5"
    & skf21("4","2","6","1","5","5","6","1") = "5"
    & skf21("4","2","6","1","5","5","7","1") = "6"
    & skf21("4","2","6","1","5","6","1","1") = "5"
    & skf21("4","2","6","1","5","6","2","1") = "5"
    & skf21("4","2","6","1","5","6","3","1") = "5"
    & skf21("4","2","6","1","5","6","4","1") = "5"
    & skf21("4","2","6","1","5","6","5","1") = "5"
    & skf21("4","2","6","1","5","6","6","1") = "5"
    & skf21("4","2","6","1","5","6","7","1") = "6"
    & skf21("4","2","6","1","5","7","1","1") = "6"
    & skf21("4","2","6","1","5","7","2","1") = "6"
    & skf21("4","2","6","1","5","7","3","1") = "6"
    & skf21("4","2","6","1","5","7","4","1") = "6"
    & skf21("4","2","6","1","5","7","5","1") = "6"
    & skf21("4","2","6","1","5","7","6","1") = "6"
    & skf21("4","2","6","1","5","7","7","1") = "6"
    & skf21("4","2","6","1","6","1","1","1") = "5"
    & skf21("4","2","6","1","6","1","2","1") = "5"
    & skf21("4","2","6","1","6","1","3","1") = "5"
    & skf21("4","2","6","1","6","1","4","1") = "5"
    & skf21("4","2","6","1","6","1","5","1") = "5"
    & skf21("4","2","6","1","6","1","6","1") = "5"
    & skf21("4","2","6","1","6","1","7","1") = "6"
    & skf21("4","2","6","1","6","2","1","1") = "5"
    & skf21("4","2","6","1","6","2","2","1") = "5"
    & skf21("4","2","6","1","6","2","3","1") = "5"
    & skf21("4","2","6","1","6","2","4","1") = "5"
    & skf21("4","2","6","1","6","2","5","1") = "5"
    & skf21("4","2","6","1","6","2","6","1") = "5"
    & skf21("4","2","6","1","6","2","7","1") = "6"
    & skf21("4","2","6","1","6","3","1","1") = "5"
    & skf21("4","2","6","1","6","3","2","1") = "5"
    & skf21("4","2","6","1","6","3","3","1") = "5"
    & skf21("4","2","6","1","6","3","4","1") = "5"
    & skf21("4","2","6","1","6","3","5","1") = "5"
    & skf21("4","2","6","1","6","3","6","1") = "5"
    & skf21("4","2","6","1","6","3","7","1") = "6"
    & skf21("4","2","6","1","6","4","1","1") = "5"
    & skf21("4","2","6","1","6","4","2","1") = "5"
    & skf21("4","2","6","1","6","4","3","1") = "5"
    & skf21("4","2","6","1","6","4","4","1") = "5"
    & skf21("4","2","6","1","6","4","5","1") = "5"
    & skf21("4","2","6","1","6","4","6","1") = "5"
    & skf21("4","2","6","1","6","4","7","1") = "6"
    & skf21("4","2","6","1","6","5","1","1") = "5"
    & skf21("4","2","6","1","6","5","2","1") = "5"
    & skf21("4","2","6","1","6","5","3","1") = "5"
    & skf21("4","2","6","1","6","5","4","1") = "5"
    & skf21("4","2","6","1","6","5","5","1") = "5"
    & skf21("4","2","6","1","6","5","6","1") = "5"
    & skf21("4","2","6","1","6","5","7","1") = "6"
    & skf21("4","2","6","1","6","6","1","1") = "5"
    & skf21("4","2","6","1","6","6","2","1") = "5"
    & skf21("4","2","6","1","6","6","3","1") = "5"
    & skf21("4","2","6","1","6","6","4","1") = "5"
    & skf21("4","2","6","1","6","6","5","1") = "5"
    & skf21("4","2","6","1","6","6","6","1") = "5"
    & skf21("4","2","6","1","6","6","7","1") = "6"
    & skf21("4","2","6","1","6","7","1","1") = "6"
    & skf21("4","2","6","1","6","7","2","1") = "6"
    & skf21("4","2","6","1","6","7","3","1") = "6"
    & skf21("4","2","6","1","6","7","4","1") = "6"
    & skf21("4","2","6","1","6","7","5","1") = "6"
    & skf21("4","2","6","1","6","7","6","1") = "6"
    & skf21("4","2","6","1","6","7","7","1") = "6"
    & skf21("4","2","6","1","7","1","1","1") = "6"
    & skf21("4","2","6","1","7","1","2","1") = "6"
    & skf21("4","2","6","1","7","1","3","1") = "6"
    & skf21("4","2","6","1","7","1","4","1") = "6"
    & skf21("4","2","6","1","7","1","5","1") = "6"
    & skf21("4","2","6","1","7","1","6","1") = "6"
    & skf21("4","2","6","1","7","1","7","1") = "6"
    & skf21("4","2","6","1","7","2","1","1") = "6"
    & skf21("4","2","6","1","7","2","2","1") = "6"
    & skf21("4","2","6","1","7","2","3","1") = "6"
    & skf21("4","2","6","1","7","2","4","1") = "6"
    & skf21("4","2","6","1","7","2","5","1") = "6"
    & skf21("4","2","6","1","7","2","6","1") = "6"
    & skf21("4","2","6","1","7","2","7","1") = "6"
    & skf21("4","2","6","1","7","3","1","1") = "6"
    & skf21("4","2","6","1","7","3","2","1") = "6"
    & skf21("4","2","6","1","7","3","3","1") = "6"
    & skf21("4","2","6","1","7","3","4","1") = "6"
    & skf21("4","2","6","1","7","3","5","1") = "6"
    & skf21("4","2","6","1","7","3","6","1") = "6"
    & skf21("4","2","6","1","7","3","7","1") = "6"
    & skf21("4","2","6","1","7","4","1","1") = "6"
    & skf21("4","2","6","1","7","4","2","1") = "6"
    & skf21("4","2","6","1","7","4","3","1") = "6"
    & skf21("4","2","6","1","7","4","4","1") = "6"
    & skf21("4","2","6","1","7","4","5","1") = "6"
    & skf21("4","2","6","1","7","4","6","1") = "6"
    & skf21("4","2","6","1","7","4","7","1") = "6"
    & skf21("4","2","6","1","7","5","1","1") = "6"
    & skf21("4","2","6","1","7","5","2","1") = "6"
    & skf21("4","2","6","1","7","5","3","1") = "6"
    & skf21("4","2","6","1","7","5","4","1") = "6"
    & skf21("4","2","6","1","7","5","5","1") = "6"
    & skf21("4","2","6","1","7","5","6","1") = "6"
    & skf21("4","2","6","1","7","5","7","1") = "6"
    & skf21("4","2","6","1","7","6","1","1") = "6"
    & skf21("4","2","6","1","7","6","2","1") = "6"
    & skf21("4","2","6","1","7","6","3","1") = "6"
    & skf21("4","2","6","1","7","6","4","1") = "6"
    & skf21("4","2","6","1","7","6","5","1") = "6"
    & skf21("4","2","6","1","7","6","6","1") = "6"
    & skf21("4","2","6","1","7","6","7","1") = "6"
    & skf21("4","2","6","1","7","7","1","1") = "6"
    & skf21("4","2","6","1","7","7","2","1") = "6"
    & skf21("4","2","6","1","7","7","3","1") = "6"
    & skf21("4","2","6","1","7","7","4","1") = "6"
    & skf21("4","2","6","1","7","7","5","1") = "6"
    & skf21("4","2","6","1","7","7","6","1") = "6"
    & skf21("4","2","6","1","7","7","7","1") = "6"
    & skf21("4","2","6","2","1","1","1","1") = "5"
    & skf21("4","2","6","2","1","1","2","1") = "5"
    & skf21("4","2","6","2","1","1","3","1") = "5"
    & skf21("4","2","6","2","1","1","4","1") = "5"
    & skf21("4","2","6","2","1","1","5","1") = "5"
    & skf21("4","2","6","2","1","1","6","1") = "5"
    & skf21("4","2","6","2","1","1","7","1") = "6"
    & skf21("4","2","6","2","1","2","1","1") = "5"
    & skf21("4","2","6","2","1","2","2","1") = "5"
    & skf21("4","2","6","2","1","2","3","1") = "5"
    & skf21("4","2","6","2","1","2","4","1") = "5"
    & skf21("4","2","6","2","1","2","5","1") = "5"
    & skf21("4","2","6","2","1","2","6","1") = "5"
    & skf21("4","2","6","2","1","2","7","1") = "6"
    & skf21("4","2","6","2","1","3","1","1") = "5"
    & skf21("4","2","6","2","1","3","2","1") = "5"
    & skf21("4","2","6","2","1","3","3","1") = "5"
    & skf21("4","2","6","2","1","3","4","1") = "5"
    & skf21("4","2","6","2","1","3","5","1") = "5"
    & skf21("4","2","6","2","1","3","6","1") = "5"
    & skf21("4","2","6","2","1","3","7","1") = "6"
    & skf21("4","2","6","2","1","4","1","1") = "5"
    & skf21("4","2","6","2","1","4","2","1") = "5"
    & skf21("4","2","6","2","1","4","3","1") = "5"
    & skf21("4","2","6","2","1","4","4","1") = "5"
    & skf21("4","2","6","2","1","4","5","1") = "5"
    & skf21("4","2","6","2","1","4","6","1") = "5"
    & skf21("4","2","6","2","1","4","7","1") = "6"
    & skf21("4","2","6","2","1","5","1","1") = "5"
    & skf21("4","2","6","2","1","5","2","1") = "5"
    & skf21("4","2","6","2","1","5","3","1") = "5"
    & skf21("4","2","6","2","1","5","4","1") = "5"
    & skf21("4","2","6","2","1","5","5","1") = "5"
    & skf21("4","2","6","2","1","5","6","1") = "5"
    & skf21("4","2","6","2","1","5","7","1") = "6"
    & skf21("4","2","6","2","1","6","1","1") = "5"
    & skf21("4","2","6","2","1","6","2","1") = "5"
    & skf21("4","2","6","2","1","6","3","1") = "5"
    & skf21("4","2","6","2","1","6","4","1") = "5"
    & skf21("4","2","6","2","1","6","5","1") = "5"
    & skf21("4","2","6","2","1","6","6","1") = "5"
    & skf21("4","2","6","2","1","6","7","1") = "6"
    & skf21("4","2","6","2","1","7","1","1") = "6"
    & skf21("4","2","6","2","1","7","2","1") = "6"
    & skf21("4","2","6","2","1","7","3","1") = "6"
    & skf21("4","2","6","2","1","7","4","1") = "6"
    & skf21("4","2","6","2","1","7","5","1") = "6"
    & skf21("4","2","6","2","1","7","6","1") = "6"
    & skf21("4","2","6","2","1","7","7","1") = "6"
    & skf21("4","2","6","2","2","1","1","1") = "5"
    & skf21("4","2","6","2","2","1","2","1") = "5"
    & skf21("4","2","6","2","2","1","3","1") = "5"
    & skf21("4","2","6","2","2","1","4","1") = "5"
    & skf21("4","2","6","2","2","1","5","1") = "5"
    & skf21("4","2","6","2","2","1","6","1") = "5"
    & skf21("4","2","6","2","2","1","7","1") = "6"
    & skf21("4","2","6","2","2","2","1","1") = "5"
    & skf21("4","2","6","2","2","2","2","1") = "5"
    & skf21("4","2","6","2","2","2","3","1") = "5"
    & skf21("4","2","6","2","2","2","4","1") = "5"
    & skf21("4","2","6","2","2","2","5","1") = "5"
    & skf21("4","2","6","2","2","2","6","1") = "5"
    & skf21("4","2","6","2","2","2","7","1") = "6"
    & skf21("4","2","6","2","2","3","1","1") = "5"
    & skf21("4","2","6","2","2","3","2","1") = "5"
    & skf21("4","2","6","2","2","3","3","1") = "5"
    & skf21("4","2","6","2","2","3","4","1") = "5"
    & skf21("4","2","6","2","2","3","5","1") = "5"
    & skf21("4","2","6","2","2","3","6","1") = "5"
    & skf21("4","2","6","2","2","3","7","1") = "6"
    & skf21("4","2","6","2","2","4","1","1") = "5"
    & skf21("4","2","6","2","2","4","2","1") = "5"
    & skf21("4","2","6","2","2","4","3","1") = "5"
    & skf21("4","2","6","2","2","4","4","1") = "5"
    & skf21("4","2","6","2","2","4","5","1") = "5"
    & skf21("4","2","6","2","2","4","6","1") = "5"
    & skf21("4","2","6","2","2","4","7","1") = "6"
    & skf21("4","2","6","2","2","5","1","1") = "5"
    & skf21("4","2","6","2","2","5","2","1") = "5"
    & skf21("4","2","6","2","2","5","3","1") = "5"
    & skf21("4","2","6","2","2","5","4","1") = "5"
    & skf21("4","2","6","2","2","5","5","1") = "5"
    & skf21("4","2","6","2","2","5","6","1") = "5"
    & skf21("4","2","6","2","2","5","7","1") = "6"
    & skf21("4","2","6","2","2","6","1","1") = "5"
    & skf21("4","2","6","2","2","6","2","1") = "5"
    & skf21("4","2","6","2","2","6","3","1") = "5"
    & skf21("4","2","6","2","2","6","4","1") = "5"
    & skf21("4","2","6","2","2","6","5","1") = "5"
    & skf21("4","2","6","2","2","6","6","1") = "5"
    & skf21("4","2","6","2","2","6","7","1") = "6"
    & skf21("4","2","6","2","2","7","1","1") = "6"
    & skf21("4","2","6","2","2","7","2","1") = "6"
    & skf21("4","2","6","2","2","7","3","1") = "6"
    & skf21("4","2","6","2","2","7","4","1") = "6"
    & skf21("4","2","6","2","2","7","5","1") = "6"
    & skf21("4","2","6","2","2","7","6","1") = "6"
    & skf21("4","2","6","2","2","7","7","1") = "6"
    & skf21("4","2","6","2","3","1","1","1") = "5"
    & skf21("4","2","6","2","3","1","2","1") = "5"
    & skf21("4","2","6","2","3","1","3","1") = "5"
    & skf21("4","2","6","2","3","1","4","1") = "5"
    & skf21("4","2","6","2","3","1","5","1") = "5"
    & skf21("4","2","6","2","3","1","6","1") = "5"
    & skf21("4","2","6","2","3","1","7","1") = "6"
    & skf21("4","2","6","2","3","2","1","1") = "5"
    & skf21("4","2","6","2","3","2","2","1") = "5"
    & skf21("4","2","6","2","3","2","3","1") = "5"
    & skf21("4","2","6","2","3","2","4","1") = "5"
    & skf21("4","2","6","2","3","2","5","1") = "5"
    & skf21("4","2","6","2","3","2","6","1") = "5"
    & skf21("4","2","6","2","3","2","7","1") = "6"
    & skf21("4","2","6","2","3","3","1","1") = "5"
    & skf21("4","2","6","2","3","3","2","1") = "5"
    & skf21("4","2","6","2","3","3","3","1") = "5"
    & skf21("4","2","6","2","3","3","4","1") = "5"
    & skf21("4","2","6","2","3","3","5","1") = "5"
    & skf21("4","2","6","2","3","3","6","1") = "5"
    & skf21("4","2","6","2","3","3","7","1") = "6"
    & skf21("4","2","6","2","3","4","1","1") = "5"
    & skf21("4","2","6","2","3","4","2","1") = "5"
    & skf21("4","2","6","2","3","4","3","1") = "5"
    & skf21("4","2","6","2","3","4","4","1") = "5"
    & skf21("4","2","6","2","3","4","5","1") = "5"
    & skf21("4","2","6","2","3","4","6","1") = "5"
    & skf21("4","2","6","2","3","4","7","1") = "6"
    & skf21("4","2","6","2","3","5","1","1") = "5"
    & skf21("4","2","6","2","3","5","2","1") = "5"
    & skf21("4","2","6","2","3","5","3","1") = "5"
    & skf21("4","2","6","2","3","5","4","1") = "5"
    & skf21("4","2","6","2","3","5","5","1") = "5"
    & skf21("4","2","6","2","3","5","6","1") = "5"
    & skf21("4","2","6","2","3","5","7","1") = "6"
    & skf21("4","2","6","2","3","6","1","1") = "5"
    & skf21("4","2","6","2","3","6","2","1") = "5"
    & skf21("4","2","6","2","3","6","3","1") = "5"
    & skf21("4","2","6","2","3","6","4","1") = "5"
    & skf21("4","2","6","2","3","6","5","1") = "5"
    & skf21("4","2","6","2","3","6","6","1") = "5"
    & skf21("4","2","6","2","3","6","7","1") = "6"
    & skf21("4","2","6","2","3","7","1","1") = "6"
    & skf21("4","2","6","2","3","7","2","1") = "6"
    & skf21("4","2","6","2","3","7","3","1") = "6"
    & skf21("4","2","6","2","3","7","4","1") = "6"
    & skf21("4","2","6","2","3","7","5","1") = "6"
    & skf21("4","2","6","2","3","7","6","1") = "6"
    & skf21("4","2","6","2","3","7","7","1") = "6"
    & skf21("4","2","6","2","4","1","1","1") = "5"
    & skf21("4","2","6","2","4","1","2","1") = "5"
    & skf21("4","2","6","2","4","1","3","1") = "5"
    & skf21("4","2","6","2","4","1","4","1") = "5"
    & skf21("4","2","6","2","4","1","5","1") = "5"
    & skf21("4","2","6","2","4","1","6","1") = "5"
    & skf21("4","2","6","2","4","1","7","1") = "6"
    & skf21("4","2","6","2","4","2","1","1") = "5"
    & skf21("4","2","6","2","4","2","2","1") = "5"
    & skf21("4","2","6","2","4","2","3","1") = "5"
    & skf21("4","2","6","2","4","2","4","1") = "5"
    & skf21("4","2","6","2","4","2","5","1") = "5"
    & skf21("4","2","6","2","4","2","6","1") = "5"
    & skf21("4","2","6","2","4","2","7","1") = "6"
    & skf21("4","2","6","2","4","3","1","1") = "5"
    & skf21("4","2","6","2","4","3","2","1") = "5"
    & skf21("4","2","6","2","4","3","3","1") = "5"
    & skf21("4","2","6","2","4","3","4","1") = "5"
    & skf21("4","2","6","2","4","3","5","1") = "5"
    & skf21("4","2","6","2","4","3","6","1") = "5"
    & skf21("4","2","6","2","4","3","7","1") = "6"
    & skf21("4","2","6","2","4","4","1","1") = "5"
    & skf21("4","2","6","2","4","4","2","1") = "5"
    & skf21("4","2","6","2","4","4","3","1") = "5"
    & skf21("4","2","6","2","4","4","4","1") = "5"
    & skf21("4","2","6","2","4","4","5","1") = "5"
    & skf21("4","2","6","2","4","4","6","1") = "5"
    & skf21("4","2","6","2","4","4","7","1") = "6"
    & skf21("4","2","6","2","4","5","1","1") = "5"
    & skf21("4","2","6","2","4","5","2","1") = "5"
    & skf21("4","2","6","2","4","5","3","1") = "5"
    & skf21("4","2","6","2","4","5","4","1") = "5"
    & skf21("4","2","6","2","4","5","5","1") = "5"
    & skf21("4","2","6","2","4","5","6","1") = "5"
    & skf21("4","2","6","2","4","5","7","1") = "6"
    & skf21("4","2","6","2","4","6","1","1") = "5"
    & skf21("4","2","6","2","4","6","2","1") = "5"
    & skf21("4","2","6","2","4","6","3","1") = "5"
    & skf21("4","2","6","2","4","6","4","1") = "5"
    & skf21("4","2","6","2","4","6","5","1") = "5"
    & skf21("4","2","6","2","4","6","6","1") = "5"
    & skf21("4","2","6","2","4","6","7","1") = "6"
    & skf21("4","2","6","2","4","7","1","1") = "6"
    & skf21("4","2","6","2","4","7","2","1") = "6"
    & skf21("4","2","6","2","4","7","3","1") = "6"
    & skf21("4","2","6","2","4","7","4","1") = "6"
    & skf21("4","2","6","2","4","7","5","1") = "6"
    & skf21("4","2","6","2","4","7","6","1") = "6"
    & skf21("4","2","6","2","4","7","7","1") = "6"
    & skf21("4","2","6","2","5","1","1","1") = "5"
    & skf21("4","2","6","2","5","1","2","1") = "5"
    & skf21("4","2","6","2","5","1","3","1") = "5"
    & skf21("4","2","6","2","5","1","4","1") = "5"
    & skf21("4","2","6","2","5","1","5","1") = "5"
    & skf21("4","2","6","2","5","1","6","1") = "5"
    & skf21("4","2","6","2","5","1","7","1") = "6"
    & skf21("4","2","6","2","5","2","1","1") = "5"
    & skf21("4","2","6","2","5","2","2","1") = "5"
    & skf21("4","2","6","2","5","2","3","1") = "5"
    & skf21("4","2","6","2","5","2","4","1") = "5"
    & skf21("4","2","6","2","5","2","5","1") = "5"
    & skf21("4","2","6","2","5","2","6","1") = "5"
    & skf21("4","2","6","2","5","2","7","1") = "6"
    & skf21("4","2","6","2","5","3","1","1") = "5"
    & skf21("4","2","6","2","5","3","2","1") = "5"
    & skf21("4","2","6","2","5","3","3","1") = "5"
    & skf21("4","2","6","2","5","3","4","1") = "5"
    & skf21("4","2","6","2","5","3","5","1") = "5"
    & skf21("4","2","6","2","5","3","6","1") = "5"
    & skf21("4","2","6","2","5","3","7","1") = "6"
    & skf21("4","2","6","2","5","4","1","1") = "5"
    & skf21("4","2","6","2","5","4","2","1") = "5"
    & skf21("4","2","6","2","5","4","3","1") = "5"
    & skf21("4","2","6","2","5","4","4","1") = "5"
    & skf21("4","2","6","2","5","4","5","1") = "5"
    & skf21("4","2","6","2","5","4","6","1") = "5"
    & skf21("4","2","6","2","5","4","7","1") = "6"
    & skf21("4","2","6","2","5","5","1","1") = "5"
    & skf21("4","2","6","2","5","5","2","1") = "5"
    & skf21("4","2","6","2","5","5","3","1") = "5"
    & skf21("4","2","6","2","5","5","4","1") = "5"
    & skf21("4","2","6","2","5","5","5","1") = "5"
    & skf21("4","2","6","2","5","5","6","1") = "5"
    & skf21("4","2","6","2","5","5","7","1") = "6"
    & skf21("4","2","6","2","5","6","1","1") = "5"
    & skf21("4","2","6","2","5","6","2","1") = "5"
    & skf21("4","2","6","2","5","6","3","1") = "5"
    & skf21("4","2","6","2","5","6","4","1") = "5"
    & skf21("4","2","6","2","5","6","5","1") = "5"
    & skf21("4","2","6","2","5","6","6","1") = "5"
    & skf21("4","2","6","2","5","6","7","1") = "6"
    & skf21("4","2","6","2","5","7","1","1") = "6"
    & skf21("4","2","6","2","5","7","2","1") = "6"
    & skf21("4","2","6","2","5","7","3","1") = "6"
    & skf21("4","2","6","2","5","7","4","1") = "6"
    & skf21("4","2","6","2","5","7","5","1") = "6"
    & skf21("4","2","6","2","5","7","6","1") = "6"
    & skf21("4","2","6","2","5","7","7","1") = "6"
    & skf21("4","2","6","2","6","1","1","1") = "5"
    & skf21("4","2","6","2","6","1","2","1") = "5"
    & skf21("4","2","6","2","6","1","3","1") = "5"
    & skf21("4","2","6","2","6","1","4","1") = "5"
    & skf21("4","2","6","2","6","1","5","1") = "5"
    & skf21("4","2","6","2","6","1","6","1") = "5"
    & skf21("4","2","6","2","6","1","7","1") = "6"
    & skf21("4","2","6","2","6","2","1","1") = "5"
    & skf21("4","2","6","2","6","2","2","1") = "5"
    & skf21("4","2","6","2","6","2","3","1") = "5"
    & skf21("4","2","6","2","6","2","4","1") = "5"
    & skf21("4","2","6","2","6","2","5","1") = "5"
    & skf21("4","2","6","2","6","2","6","1") = "5"
    & skf21("4","2","6","2","6","2","7","1") = "6"
    & skf21("4","2","6","2","6","3","1","1") = "5"
    & skf21("4","2","6","2","6","3","2","1") = "5"
    & skf21("4","2","6","2","6","3","3","1") = "5"
    & skf21("4","2","6","2","6","3","4","1") = "5"
    & skf21("4","2","6","2","6","3","5","1") = "5"
    & skf21("4","2","6","2","6","3","6","1") = "5"
    & skf21("4","2","6","2","6","3","7","1") = "6"
    & skf21("4","2","6","2","6","4","1","1") = "5"
    & skf21("4","2","6","2","6","4","2","1") = "5"
    & skf21("4","2","6","2","6","4","3","1") = "5"
    & skf21("4","2","6","2","6","4","4","1") = "5"
    & skf21("4","2","6","2","6","4","5","1") = "5"
    & skf21("4","2","6","2","6","4","6","1") = "5"
    & skf21("4","2","6","2","6","4","7","1") = "6"
    & skf21("4","2","6","2","6","5","1","1") = "5"
    & skf21("4","2","6","2","6","5","2","1") = "5"
    & skf21("4","2","6","2","6","5","3","1") = "5"
    & skf21("4","2","6","2","6","5","4","1") = "5"
    & skf21("4","2","6","2","6","5","5","1") = "5"
    & skf21("4","2","6","2","6","5","6","1") = "5"
    & skf21("4","2","6","2","6","5","7","1") = "6"
    & skf21("4","2","6","2","6","6","1","1") = "5"
    & skf21("4","2","6","2","6","6","2","1") = "5"
    & skf21("4","2","6","2","6","6","3","1") = "5"
    & skf21("4","2","6","2","6","6","4","1") = "5"
    & skf21("4","2","6","2","6","6","5","1") = "5"
    & skf21("4","2","6","2","6","6","6","1") = "5"
    & skf21("4","2","6","2","6","6","7","1") = "6"
    & skf21("4","2","6","2","6","7","1","1") = "6"
    & skf21("4","2","6","2","6","7","2","1") = "6"
    & skf21("4","2","6","2","6","7","3","1") = "6"
    & skf21("4","2","6","2","6","7","4","1") = "6"
    & skf21("4","2","6","2","6","7","5","1") = "6"
    & skf21("4","2","6","2","6","7","6","1") = "6"
    & skf21("4","2","6","2","6","7","7","1") = "6"
    & skf21("4","2","6","2","7","1","1","1") = "6"
    & skf21("4","2","6","2","7","1","2","1") = "6"
    & skf21("4","2","6","2","7","1","3","1") = "6"
    & skf21("4","2","6","2","7","1","4","1") = "6"
    & skf21("4","2","6","2","7","1","5","1") = "6"
    & skf21("4","2","6","2","7","1","6","1") = "6"
    & skf21("4","2","6","2","7","1","7","1") = "6"
    & skf21("4","2","6","2","7","2","1","1") = "6"
    & skf21("4","2","6","2","7","2","2","1") = "6"
    & skf21("4","2","6","2","7","2","3","1") = "6"
    & skf21("4","2","6","2","7","2","4","1") = "6"
    & skf21("4","2","6","2","7","2","5","1") = "6"
    & skf21("4","2","6","2","7","2","6","1") = "6"
    & skf21("4","2","6","2","7","2","7","1") = "6"
    & skf21("4","2","6","2","7","3","1","1") = "6"
    & skf21("4","2","6","2","7","3","2","1") = "6"
    & skf21("4","2","6","2","7","3","3","1") = "6"
    & skf21("4","2","6","2","7","3","4","1") = "6"
    & skf21("4","2","6","2","7","3","5","1") = "6"
    & skf21("4","2","6","2","7","3","6","1") = "6"
    & skf21("4","2","6","2","7","3","7","1") = "6"
    & skf21("4","2","6","2","7","4","1","1") = "6"
    & skf21("4","2","6","2","7","4","2","1") = "6"
    & skf21("4","2","6","2","7","4","3","1") = "6"
    & skf21("4","2","6","2","7","4","4","1") = "6"
    & skf21("4","2","6","2","7","4","5","1") = "6"
    & skf21("4","2","6","2","7","4","6","1") = "6"
    & skf21("4","2","6","2","7","4","7","1") = "6"
    & skf21("4","2","6","2","7","5","1","1") = "6"
    & skf21("4","2","6","2","7","5","2","1") = "6"
    & skf21("4","2","6","2","7","5","3","1") = "6"
    & skf21("4","2","6","2","7","5","4","1") = "6"
    & skf21("4","2","6","2","7","5","5","1") = "6"
    & skf21("4","2","6","2","7","5","6","1") = "6"
    & skf21("4","2","6","2","7","5","7","1") = "6"
    & skf21("4","2","6","2","7","6","1","1") = "6"
    & skf21("4","2","6","2","7","6","2","1") = "6"
    & skf21("4","2","6","2","7","6","3","1") = "6"
    & skf21("4","2","6","2","7","6","4","1") = "6"
    & skf21("4","2","6","2","7","6","5","1") = "6"
    & skf21("4","2","6","2","7","6","6","1") = "6"
    & skf21("4","2","6","2","7","6","7","1") = "6"
    & skf21("4","2","6","2","7","7","1","1") = "6"
    & skf21("4","2","6","2","7","7","2","1") = "6"
    & skf21("4","2","6","2","7","7","3","1") = "6"
    & skf21("4","2","6","2","7","7","4","1") = "6"
    & skf21("4","2","6","2","7","7","5","1") = "6"
    & skf21("4","2","6","2","7","7","6","1") = "6"
    & skf21("4","2","6","2","7","7","7","1") = "6"
    & skf21("4","2","6","3","1","1","1","1") = "5"
    & skf21("4","2","6","3","1","1","2","1") = "5"
    & skf21("4","2","6","3","1","1","3","1") = "5"
    & skf21("4","2","6","3","1","1","4","1") = "5"
    & skf21("4","2","6","3","1","1","5","1") = "5"
    & skf21("4","2","6","3","1","1","6","1") = "5"
    & skf21("4","2","6","3","1","1","7","1") = "6"
    & skf21("4","2","6","3","1","2","1","1") = "5"
    & skf21("4","2","6","3","1","2","2","1") = "5"
    & skf21("4","2","6","3","1","2","3","1") = "5"
    & skf21("4","2","6","3","1","2","4","1") = "5"
    & skf21("4","2","6","3","1","2","5","1") = "5"
    & skf21("4","2","6","3","1","2","6","1") = "5"
    & skf21("4","2","6","3","1","2","7","1") = "6"
    & skf21("4","2","6","3","1","3","1","1") = "5"
    & skf21("4","2","6","3","1","3","2","1") = "5"
    & skf21("4","2","6","3","1","3","3","1") = "5"
    & skf21("4","2","6","3","1","3","4","1") = "5"
    & skf21("4","2","6","3","1","3","5","1") = "5"
    & skf21("4","2","6","3","1","3","6","1") = "5"
    & skf21("4","2","6","3","1","3","7","1") = "6"
    & skf21("4","2","6","3","1","4","1","1") = "5"
    & skf21("4","2","6","3","1","4","2","1") = "5"
    & skf21("4","2","6","3","1","4","3","1") = "5"
    & skf21("4","2","6","3","1","4","4","1") = "5"
    & skf21("4","2","6","3","1","4","5","1") = "5"
    & skf21("4","2","6","3","1","4","6","1") = "5"
    & skf21("4","2","6","3","1","4","7","1") = "6"
    & skf21("4","2","6","3","1","5","1","1") = "5"
    & skf21("4","2","6","3","1","5","2","1") = "5"
    & skf21("4","2","6","3","1","5","3","1") = "5"
    & skf21("4","2","6","3","1","5","4","1") = "5"
    & skf21("4","2","6","3","1","5","5","1") = "5"
    & skf21("4","2","6","3","1","5","6","1") = "5"
    & skf21("4","2","6","3","1","5","7","1") = "6"
    & skf21("4","2","6","3","1","6","1","1") = "5"
    & skf21("4","2","6","3","1","6","2","1") = "5"
    & skf21("4","2","6","3","1","6","3","1") = "5"
    & skf21("4","2","6","3","1","6","4","1") = "5"
    & skf21("4","2","6","3","1","6","5","1") = "5"
    & skf21("4","2","6","3","1","6","6","1") = "5"
    & skf21("4","2","6","3","1","6","7","1") = "6"
    & skf21("4","2","6","3","1","7","1","1") = "6"
    & skf21("4","2","6","3","1","7","2","1") = "6"
    & skf21("4","2","6","3","1","7","3","1") = "6"
    & skf21("4","2","6","3","1","7","4","1") = "6"
    & skf21("4","2","6","3","1","7","5","1") = "6"
    & skf21("4","2","6","3","1","7","6","1") = "6"
    & skf21("4","2","6","3","1","7","7","1") = "6"
    & skf21("4","2","6","3","2","1","1","1") = "5"
    & skf21("4","2","6","3","2","1","2","1") = "5"
    & skf21("4","2","6","3","2","1","3","1") = "5"
    & skf21("4","2","6","3","2","1","4","1") = "5"
    & skf21("4","2","6","3","2","1","5","1") = "5"
    & skf21("4","2","6","3","2","1","6","1") = "5"
    & skf21("4","2","6","3","2","1","7","1") = "6"
    & skf21("4","2","6","3","2","2","1","1") = "5"
    & skf21("4","2","6","3","2","2","2","1") = "5"
    & skf21("4","2","6","3","2","2","3","1") = "5"
    & skf21("4","2","6","3","2","2","4","1") = "5"
    & skf21("4","2","6","3","2","2","5","1") = "5"
    & skf21("4","2","6","3","2","2","6","1") = "5"
    & skf21("4","2","6","3","2","2","7","1") = "6"
    & skf21("4","2","6","3","2","3","1","1") = "5"
    & skf21("4","2","6","3","2","3","2","1") = "5"
    & skf21("4","2","6","3","2","3","3","1") = "5"
    & skf21("4","2","6","3","2","3","4","1") = "5"
    & skf21("4","2","6","3","2","3","5","1") = "5"
    & skf21("4","2","6","3","2","3","6","1") = "5"
    & skf21("4","2","6","3","2","3","7","1") = "6"
    & skf21("4","2","6","3","2","4","1","1") = "5"
    & skf21("4","2","6","3","2","4","2","1") = "5"
    & skf21("4","2","6","3","2","4","3","1") = "5"
    & skf21("4","2","6","3","2","4","4","1") = "5"
    & skf21("4","2","6","3","2","4","5","1") = "5"
    & skf21("4","2","6","3","2","4","6","1") = "5"
    & skf21("4","2","6","3","2","4","7","1") = "6"
    & skf21("4","2","6","3","2","5","1","1") = "5"
    & skf21("4","2","6","3","2","5","2","1") = "5"
    & skf21("4","2","6","3","2","5","3","1") = "5"
    & skf21("4","2","6","3","2","5","4","1") = "5"
    & skf21("4","2","6","3","2","5","5","1") = "5"
    & skf21("4","2","6","3","2","5","6","1") = "5"
    & skf21("4","2","6","3","2","5","7","1") = "6"
    & skf21("4","2","6","3","2","6","1","1") = "5"
    & skf21("4","2","6","3","2","6","2","1") = "5"
    & skf21("4","2","6","3","2","6","3","1") = "5"
    & skf21("4","2","6","3","2","6","4","1") = "5"
    & skf21("4","2","6","3","2","6","5","1") = "5"
    & skf21("4","2","6","3","2","6","6","1") = "5"
    & skf21("4","2","6","3","2","6","7","1") = "6"
    & skf21("4","2","6","3","2","7","1","1") = "6"
    & skf21("4","2","6","3","2","7","2","1") = "6"
    & skf21("4","2","6","3","2","7","3","1") = "6"
    & skf21("4","2","6","3","2","7","4","1") = "6"
    & skf21("4","2","6","3","2","7","5","1") = "6"
    & skf21("4","2","6","3","2","7","6","1") = "6"
    & skf21("4","2","6","3","2","7","7","1") = "6"
    & skf21("4","2","6","3","3","1","1","1") = "5"
    & skf21("4","2","6","3","3","1","2","1") = "5"
    & skf21("4","2","6","3","3","1","3","1") = "5"
    & skf21("4","2","6","3","3","1","4","1") = "5"
    & skf21("4","2","6","3","3","1","5","1") = "5"
    & skf21("4","2","6","3","3","1","6","1") = "5"
    & skf21("4","2","6","3","3","1","7","1") = "6"
    & skf21("4","2","6","3","3","2","1","1") = "5"
    & skf21("4","2","6","3","3","2","2","1") = "5"
    & skf21("4","2","6","3","3","2","3","1") = "5"
    & skf21("4","2","6","3","3","2","4","1") = "5"
    & skf21("4","2","6","3","3","2","5","1") = "5"
    & skf21("4","2","6","3","3","2","6","1") = "5"
    & skf21("4","2","6","3","3","2","7","1") = "6"
    & skf21("4","2","6","3","3","3","1","1") = "5"
    & skf21("4","2","6","3","3","3","2","1") = "5"
    & skf21("4","2","6","3","3","3","3","1") = "5"
    & skf21("4","2","6","3","3","3","4","1") = "5"
    & skf21("4","2","6","3","3","3","5","1") = "5"
    & skf21("4","2","6","3","3","3","6","1") = "5"
    & skf21("4","2","6","3","3","3","7","1") = "6"
    & skf21("4","2","6","3","3","4","1","1") = "5"
    & skf21("4","2","6","3","3","4","2","1") = "5"
    & skf21("4","2","6","3","3","4","3","1") = "5"
    & skf21("4","2","6","3","3","4","4","1") = "5"
    & skf21("4","2","6","3","3","4","5","1") = "5"
    & skf21("4","2","6","3","3","4","6","1") = "5"
    & skf21("4","2","6","3","3","4","7","1") = "6"
    & skf21("4","2","6","3","3","5","1","1") = "5"
    & skf21("4","2","6","3","3","5","2","1") = "5"
    & skf21("4","2","6","3","3","5","3","1") = "5"
    & skf21("4","2","6","3","3","5","4","1") = "5"
    & skf21("4","2","6","3","3","5","5","1") = "5"
    & skf21("4","2","6","3","3","5","6","1") = "5"
    & skf21("4","2","6","3","3","5","7","1") = "6"
    & skf21("4","2","6","3","3","6","1","1") = "5"
    & skf21("4","2","6","3","3","6","2","1") = "5"
    & skf21("4","2","6","3","3","6","3","1") = "5"
    & skf21("4","2","6","3","3","6","4","1") = "5"
    & skf21("4","2","6","3","3","6","5","1") = "5"
    & skf21("4","2","6","3","3","6","6","1") = "5"
    & skf21("4","2","6","3","3","6","7","1") = "6"
    & skf21("4","2","6","3","3","7","1","1") = "6"
    & skf21("4","2","6","3","3","7","2","1") = "6"
    & skf21("4","2","6","3","3","7","3","1") = "6"
    & skf21("4","2","6","3","3","7","4","1") = "6"
    & skf21("4","2","6","3","3","7","5","1") = "6"
    & skf21("4","2","6","3","3","7","6","1") = "6"
    & skf21("4","2","6","3","3","7","7","1") = "6"
    & skf21("4","2","6","3","4","1","1","1") = "5"
    & skf21("4","2","6","3","4","1","2","1") = "5"
    & skf21("4","2","6","3","4","1","3","1") = "5"
    & skf21("4","2","6","3","4","1","4","1") = "5"
    & skf21("4","2","6","3","4","1","5","1") = "5"
    & skf21("4","2","6","3","4","1","6","1") = "5"
    & skf21("4","2","6","3","4","1","7","1") = "6"
    & skf21("4","2","6","3","4","2","1","1") = "5"
    & skf21("4","2","6","3","4","2","2","1") = "5"
    & skf21("4","2","6","3","4","2","3","1") = "5"
    & skf21("4","2","6","3","4","2","4","1") = "5"
    & skf21("4","2","6","3","4","2","5","1") = "5"
    & skf21("4","2","6","3","4","2","6","1") = "5"
    & skf21("4","2","6","3","4","2","7","1") = "6"
    & skf21("4","2","6","3","4","3","1","1") = "5"
    & skf21("4","2","6","3","4","3","2","1") = "5"
    & skf21("4","2","6","3","4","3","3","1") = "5"
    & skf21("4","2","6","3","4","3","4","1") = "5"
    & skf21("4","2","6","3","4","3","5","1") = "5"
    & skf21("4","2","6","3","4","3","6","1") = "5"
    & skf21("4","2","6","3","4","3","7","1") = "6"
    & skf21("4","2","6","3","4","4","1","1") = "5"
    & skf21("4","2","6","3","4","4","2","1") = "5"
    & skf21("4","2","6","3","4","4","3","1") = "5"
    & skf21("4","2","6","3","4","4","4","1") = "5"
    & skf21("4","2","6","3","4","4","5","1") = "5"
    & skf21("4","2","6","3","4","4","6","1") = "5"
    & skf21("4","2","6","3","4","4","7","1") = "6"
    & skf21("4","2","6","3","4","5","1","1") = "5"
    & skf21("4","2","6","3","4","5","2","1") = "5"
    & skf21("4","2","6","3","4","5","3","1") = "5"
    & skf21("4","2","6","3","4","5","4","1") = "5"
    & skf21("4","2","6","3","4","5","5","1") = "5"
    & skf21("4","2","6","3","4","5","6","1") = "5"
    & skf21("4","2","6","3","4","5","7","1") = "6"
    & skf21("4","2","6","3","4","6","1","1") = "5"
    & skf21("4","2","6","3","4","6","2","1") = "5"
    & skf21("4","2","6","3","4","6","3","1") = "5"
    & skf21("4","2","6","3","4","6","4","1") = "5"
    & skf21("4","2","6","3","4","6","5","1") = "5"
    & skf21("4","2","6","3","4","6","6","1") = "5"
    & skf21("4","2","6","3","4","6","7","1") = "6"
    & skf21("4","2","6","3","4","7","1","1") = "6"
    & skf21("4","2","6","3","4","7","2","1") = "6"
    & skf21("4","2","6","3","4","7","3","1") = "6"
    & skf21("4","2","6","3","4","7","4","1") = "6"
    & skf21("4","2","6","3","4","7","5","1") = "6"
    & skf21("4","2","6","3","4","7","6","1") = "6"
    & skf21("4","2","6","3","4","7","7","1") = "6"
    & skf21("4","2","6","3","5","1","1","1") = "5"
    & skf21("4","2","6","3","5","1","2","1") = "5"
    & skf21("4","2","6","3","5","1","3","1") = "5"
    & skf21("4","2","6","3","5","1","4","1") = "5"
    & skf21("4","2","6","3","5","1","5","1") = "5"
    & skf21("4","2","6","3","5","1","6","1") = "5"
    & skf21("4","2","6","3","5","1","7","1") = "6"
    & skf21("4","2","6","3","5","2","1","1") = "5"
    & skf21("4","2","6","3","5","2","2","1") = "5"
    & skf21("4","2","6","3","5","2","3","1") = "5"
    & skf21("4","2","6","3","5","2","4","1") = "5"
    & skf21("4","2","6","3","5","2","5","1") = "5"
    & skf21("4","2","6","3","5","2","6","1") = "5"
    & skf21("4","2","6","3","5","2","7","1") = "6"
    & skf21("4","2","6","3","5","3","1","1") = "5"
    & skf21("4","2","6","3","5","3","2","1") = "5"
    & skf21("4","2","6","3","5","3","3","1") = "5"
    & skf21("4","2","6","3","5","3","4","1") = "5"
    & skf21("4","2","6","3","5","3","5","1") = "5"
    & skf21("4","2","6","3","5","3","6","1") = "5"
    & skf21("4","2","6","3","5","3","7","1") = "6"
    & skf21("4","2","6","3","5","4","1","1") = "5"
    & skf21("4","2","6","3","5","4","2","1") = "5"
    & skf21("4","2","6","3","5","4","3","1") = "5"
    & skf21("4","2","6","3","5","4","4","1") = "5"
    & skf21("4","2","6","3","5","4","5","1") = "5"
    & skf21("4","2","6","3","5","4","6","1") = "5"
    & skf21("4","2","6","3","5","4","7","1") = "6"
    & skf21("4","2","6","3","5","5","1","1") = "5"
    & skf21("4","2","6","3","5","5","2","1") = "5"
    & skf21("4","2","6","3","5","5","3","1") = "5"
    & skf21("4","2","6","3","5","5","4","1") = "5"
    & skf21("4","2","6","3","5","5","5","1") = "5"
    & skf21("4","2","6","3","5","5","6","1") = "5"
    & skf21("4","2","6","3","5","5","7","1") = "6"
    & skf21("4","2","6","3","5","6","1","1") = "5"
    & skf21("4","2","6","3","5","6","2","1") = "5"
    & skf21("4","2","6","3","5","6","3","1") = "5"
    & skf21("4","2","6","3","5","6","4","1") = "5"
    & skf21("4","2","6","3","5","6","5","1") = "5"
    & skf21("4","2","6","3","5","6","6","1") = "5"
    & skf21("4","2","6","3","5","6","7","1") = "6"
    & skf21("4","2","6","3","5","7","1","1") = "6"
    & skf21("4","2","6","3","5","7","2","1") = "6"
    & skf21("4","2","6","3","5","7","3","1") = "6"
    & skf21("4","2","6","3","5","7","4","1") = "6"
    & skf21("4","2","6","3","5","7","5","1") = "6"
    & skf21("4","2","6","3","5","7","6","1") = "6"
    & skf21("4","2","6","3","5","7","7","1") = "6"
    & skf21("4","2","6","3","6","1","1","1") = "5"
    & skf21("4","2","6","3","6","1","2","1") = "5"
    & skf21("4","2","6","3","6","1","3","1") = "5"
    & skf21("4","2","6","3","6","1","4","1") = "5"
    & skf21("4","2","6","3","6","1","5","1") = "5"
    & skf21("4","2","6","3","6","1","6","1") = "5"
    & skf21("4","2","6","3","6","1","7","1") = "6"
    & skf21("4","2","6","3","6","2","1","1") = "5"
    & skf21("4","2","6","3","6","2","2","1") = "5"
    & skf21("4","2","6","3","6","2","3","1") = "5"
    & skf21("4","2","6","3","6","2","4","1") = "5"
    & skf21("4","2","6","3","6","2","5","1") = "5"
    & skf21("4","2","6","3","6","2","6","1") = "5"
    & skf21("4","2","6","3","6","2","7","1") = "6"
    & skf21("4","2","6","3","6","3","1","1") = "5"
    & skf21("4","2","6","3","6","3","2","1") = "5"
    & skf21("4","2","6","3","6","3","3","1") = "5"
    & skf21("4","2","6","3","6","3","4","1") = "5"
    & skf21("4","2","6","3","6","3","5","1") = "5"
    & skf21("4","2","6","3","6","3","6","1") = "5"
    & skf21("4","2","6","3","6","3","7","1") = "6"
    & skf21("4","2","6","3","6","4","1","1") = "5"
    & skf21("4","2","6","3","6","4","2","1") = "5"
    & skf21("4","2","6","3","6","4","3","1") = "5"
    & skf21("4","2","6","3","6","4","4","1") = "5"
    & skf21("4","2","6","3","6","4","5","1") = "5"
    & skf21("4","2","6","3","6","4","6","1") = "5"
    & skf21("4","2","6","3","6","4","7","1") = "6"
    & skf21("4","2","6","3","6","5","1","1") = "5"
    & skf21("4","2","6","3","6","5","2","1") = "5"
    & skf21("4","2","6","3","6","5","3","1") = "5"
    & skf21("4","2","6","3","6","5","4","1") = "5"
    & skf21("4","2","6","3","6","5","5","1") = "5"
    & skf21("4","2","6","3","6","5","6","1") = "5"
    & skf21("4","2","6","3","6","5","7","1") = "6"
    & skf21("4","2","6","3","6","6","1","1") = "5"
    & skf21("4","2","6","3","6","6","2","1") = "5"
    & skf21("4","2","6","3","6","6","3","1") = "5"
    & skf21("4","2","6","3","6","6","4","1") = "5"
    & skf21("4","2","6","3","6","6","5","1") = "5"
    & skf21("4","2","6","3","6","6","6","1") = "5"
    & skf21("4","2","6","3","6","6","7","1") = "6"
    & skf21("4","2","6","3","6","7","1","1") = "6"
    & skf21("4","2","6","3","6","7","2","1") = "6"
    & skf21("4","2","6","3","6","7","3","1") = "6"
    & skf21("4","2","6","3","6","7","4","1") = "6"
    & skf21("4","2","6","3","6","7","5","1") = "6"
    & skf21("4","2","6","3","6","7","6","1") = "6"
    & skf21("4","2","6","3","6","7","7","1") = "6"
    & skf21("4","2","6","3","7","1","1","1") = "6"
    & skf21("4","2","6","3","7","1","2","1") = "6"
    & skf21("4","2","6","3","7","1","3","1") = "6"
    & skf21("4","2","6","3","7","1","4","1") = "6"
    & skf21("4","2","6","3","7","1","5","1") = "6"
    & skf21("4","2","6","3","7","1","6","1") = "6"
    & skf21("4","2","6","3","7","1","7","1") = "6"
    & skf21("4","2","6","3","7","2","1","1") = "6"
    & skf21("4","2","6","3","7","2","2","1") = "6"
    & skf21("4","2","6","3","7","2","3","1") = "6"
    & skf21("4","2","6","3","7","2","4","1") = "6"
    & skf21("4","2","6","3","7","2","5","1") = "6"
    & skf21("4","2","6","3","7","2","6","1") = "6"
    & skf21("4","2","6","3","7","2","7","1") = "6"
    & skf21("4","2","6","3","7","3","1","1") = "6"
    & skf21("4","2","6","3","7","3","2","1") = "6"
    & skf21("4","2","6","3","7","3","3","1") = "6"
    & skf21("4","2","6","3","7","3","4","1") = "6"
    & skf21("4","2","6","3","7","3","5","1") = "6"
    & skf21("4","2","6","3","7","3","6","1") = "6"
    & skf21("4","2","6","3","7","3","7","1") = "6"
    & skf21("4","2","6","3","7","4","1","1") = "6"
    & skf21("4","2","6","3","7","4","2","1") = "6"
    & skf21("4","2","6","3","7","4","3","1") = "6"
    & skf21("4","2","6","3","7","4","4","1") = "6"
    & skf21("4","2","6","3","7","4","5","1") = "6"
    & skf21("4","2","6","3","7","4","6","1") = "6"
    & skf21("4","2","6","3","7","4","7","1") = "6"
    & skf21("4","2","6","3","7","5","1","1") = "6"
    & skf21("4","2","6","3","7","5","2","1") = "6"
    & skf21("4","2","6","3","7","5","3","1") = "6"
    & skf21("4","2","6","3","7","5","4","1") = "6"
    & skf21("4","2","6","3","7","5","5","1") = "6"
    & skf21("4","2","6","3","7","5","6","1") = "6"
    & skf21("4","2","6","3","7","5","7","1") = "6"
    & skf21("4","2","6","3","7","6","1","1") = "6"
    & skf21("4","2","6","3","7","6","2","1") = "6"
    & skf21("4","2","6","3","7","6","3","1") = "6"
    & skf21("4","2","6","3","7","6","4","1") = "6"
    & skf21("4","2","6","3","7","6","5","1") = "6"
    & skf21("4","2","6","3","7","6","6","1") = "6"
    & skf21("4","2","6","3","7","6","7","1") = "6"
    & skf21("4","2","6","3","7","7","1","1") = "6"
    & skf21("4","2","6","3","7","7","2","1") = "6"
    & skf21("4","2","6","3","7","7","3","1") = "6"
    & skf21("4","2","6","3","7","7","4","1") = "6"
    & skf21("4","2","6","3","7","7","5","1") = "6"
    & skf21("4","2","6","3","7","7","6","1") = "6"
    & skf21("4","2","6","3","7","7","7","1") = "6"
    & skf21("4","2","6","4","1","1","1","1") = "5"
    & skf21("4","2","6","4","1","1","2","1") = "5"
    & skf21("4","2","6","4","1","1","3","1") = "5"
    & skf21("4","2","6","4","1","1","4","1") = "5"
    & skf21("4","2","6","4","1","1","5","1") = "5"
    & skf21("4","2","6","4","1","1","6","1") = "5"
    & skf21("4","2","6","4","1","1","7","1") = "6"
    & skf21("4","2","6","4","1","2","1","1") = "5"
    & skf21("4","2","6","4","1","2","2","1") = "5"
    & skf21("4","2","6","4","1","2","3","1") = "5"
    & skf21("4","2","6","4","1","2","4","1") = "5"
    & skf21("4","2","6","4","1","2","5","1") = "5"
    & skf21("4","2","6","4","1","2","6","1") = "5"
    & skf21("4","2","6","4","1","2","7","1") = "6"
    & skf21("4","2","6","4","1","3","1","1") = "5"
    & skf21("4","2","6","4","1","3","2","1") = "5"
    & skf21("4","2","6","4","1","3","3","1") = "5"
    & skf21("4","2","6","4","1","3","4","1") = "5"
    & skf21("4","2","6","4","1","3","5","1") = "5"
    & skf21("4","2","6","4","1","3","6","1") = "5"
    & skf21("4","2","6","4","1","3","7","1") = "6"
    & skf21("4","2","6","4","1","4","1","1") = "5"
    & skf21("4","2","6","4","1","4","2","1") = "5"
    & skf21("4","2","6","4","1","4","3","1") = "5"
    & skf21("4","2","6","4","1","4","4","1") = "5"
    & skf21("4","2","6","4","1","4","5","1") = "5"
    & skf21("4","2","6","4","1","4","6","1") = "5"
    & skf21("4","2","6","4","1","4","7","1") = "6"
    & skf21("4","2","6","4","1","5","1","1") = "5"
    & skf21("4","2","6","4","1","5","2","1") = "5"
    & skf21("4","2","6","4","1","5","3","1") = "5"
    & skf21("4","2","6","4","1","5","4","1") = "5"
    & skf21("4","2","6","4","1","5","5","1") = "5"
    & skf21("4","2","6","4","1","5","6","1") = "5"
    & skf21("4","2","6","4","1","5","7","1") = "6"
    & skf21("4","2","6","4","1","6","1","1") = "5"
    & skf21("4","2","6","4","1","6","2","1") = "5"
    & skf21("4","2","6","4","1","6","3","1") = "5"
    & skf21("4","2","6","4","1","6","4","1") = "5"
    & skf21("4","2","6","4","1","6","5","1") = "5"
    & skf21("4","2","6","4","1","6","6","1") = "5"
    & skf21("4","2","6","4","1","6","7","1") = "6"
    & skf21("4","2","6","4","1","7","1","1") = "6"
    & skf21("4","2","6","4","1","7","2","1") = "6"
    & skf21("4","2","6","4","1","7","3","1") = "6"
    & skf21("4","2","6","4","1","7","4","1") = "6"
    & skf21("4","2","6","4","1","7","5","1") = "6"
    & skf21("4","2","6","4","1","7","6","1") = "6"
    & skf21("4","2","6","4","1","7","7","1") = "6"
    & skf21("4","2","6","4","2","1","1","1") = "5"
    & skf21("4","2","6","4","2","1","2","1") = "5"
    & skf21("4","2","6","4","2","1","3","1") = "5"
    & skf21("4","2","6","4","2","1","4","1") = "5"
    & skf21("4","2","6","4","2","1","5","1") = "5"
    & skf21("4","2","6","4","2","1","6","1") = "5"
    & skf21("4","2","6","4","2","1","7","1") = "6"
    & skf21("4","2","6","4","2","2","1","1") = "5"
    & skf21("4","2","6","4","2","2","2","1") = "5"
    & skf21("4","2","6","4","2","2","3","1") = "5"
    & skf21("4","2","6","4","2","2","4","1") = "5"
    & skf21("4","2","6","4","2","2","5","1") = "5"
    & skf21("4","2","6","4","2","2","6","1") = "5"
    & skf21("4","2","6","4","2","2","7","1") = "6"
    & skf21("4","2","6","4","2","3","1","1") = "5"
    & skf21("4","2","6","4","2","3","2","1") = "5"
    & skf21("4","2","6","4","2","3","3","1") = "5"
    & skf21("4","2","6","4","2","3","4","1") = "5"
    & skf21("4","2","6","4","2","3","5","1") = "5"
    & skf21("4","2","6","4","2","3","6","1") = "5"
    & skf21("4","2","6","4","2","3","7","1") = "6"
    & skf21("4","2","6","4","2","4","1","1") = "5"
    & skf21("4","2","6","4","2","4","2","1") = "5"
    & skf21("4","2","6","4","2","4","3","1") = "5"
    & skf21("4","2","6","4","2","4","4","1") = "5"
    & skf21("4","2","6","4","2","4","5","1") = "5"
    & skf21("4","2","6","4","2","4","6","1") = "5"
    & skf21("4","2","6","4","2","4","7","1") = "6"
    & skf21("4","2","6","4","2","5","1","1") = "5"
    & skf21("4","2","6","4","2","5","2","1") = "5"
    & skf21("4","2","6","4","2","5","3","1") = "5"
    & skf21("4","2","6","4","2","5","4","1") = "5"
    & skf21("4","2","6","4","2","5","5","1") = "5"
    & skf21("4","2","6","4","2","5","6","1") = "5"
    & skf21("4","2","6","4","2","5","7","1") = "6"
    & skf21("4","2","6","4","2","6","1","1") = "5"
    & skf21("4","2","6","4","2","6","2","1") = "5"
    & skf21("4","2","6","4","2","6","3","1") = "5"
    & skf21("4","2","6","4","2","6","4","1") = "5"
    & skf21("4","2","6","4","2","6","5","1") = "5"
    & skf21("4","2","6","4","2","6","6","1") = "5"
    & skf21("4","2","6","4","2","6","7","1") = "6"
    & skf21("4","2","6","4","2","7","1","1") = "6"
    & skf21("4","2","6","4","2","7","2","1") = "6"
    & skf21("4","2","6","4","2","7","3","1") = "6"
    & skf21("4","2","6","4","2","7","4","1") = "6"
    & skf21("4","2","6","4","2","7","5","1") = "6"
    & skf21("4","2","6","4","2","7","6","1") = "6"
    & skf21("4","2","6","4","2","7","7","1") = "6"
    & skf21("4","2","6","4","3","1","1","1") = "5"
    & skf21("4","2","6","4","3","1","2","1") = "5"
    & skf21("4","2","6","4","3","1","3","1") = "5"
    & skf21("4","2","6","4","3","1","4","1") = "5"
    & skf21("4","2","6","4","3","1","5","1") = "5"
    & skf21("4","2","6","4","3","1","6","1") = "5"
    & skf21("4","2","6","4","3","1","7","1") = "6"
    & skf21("4","2","6","4","3","2","1","1") = "5"
    & skf21("4","2","6","4","3","2","2","1") = "5"
    & skf21("4","2","6","4","3","2","3","1") = "5"
    & skf21("4","2","6","4","3","2","4","1") = "5"
    & skf21("4","2","6","4","3","2","5","1") = "5"
    & skf21("4","2","6","4","3","2","6","1") = "5"
    & skf21("4","2","6","4","3","2","7","1") = "6"
    & skf21("4","2","6","4","3","3","1","1") = "5"
    & skf21("4","2","6","4","3","3","2","1") = "5"
    & skf21("4","2","6","4","3","3","3","1") = "5"
    & skf21("4","2","6","4","3","3","4","1") = "5"
    & skf21("4","2","6","4","3","3","5","1") = "5"
    & skf21("4","2","6","4","3","3","6","1") = "5"
    & skf21("4","2","6","4","3","3","7","1") = "6"
    & skf21("4","2","6","4","3","4","1","1") = "5"
    & skf21("4","2","6","4","3","4","2","1") = "5"
    & skf21("4","2","6","4","3","4","3","1") = "5"
    & skf21("4","2","6","4","3","4","4","1") = "5"
    & skf21("4","2","6","4","3","4","5","1") = "5"
    & skf21("4","2","6","4","3","4","6","1") = "5"
    & skf21("4","2","6","4","3","4","7","1") = "6"
    & skf21("4","2","6","4","3","5","1","1") = "5"
    & skf21("4","2","6","4","3","5","2","1") = "5"
    & skf21("4","2","6","4","3","5","3","1") = "5"
    & skf21("4","2","6","4","3","5","4","1") = "5"
    & skf21("4","2","6","4","3","5","5","1") = "5"
    & skf21("4","2","6","4","3","5","6","1") = "5"
    & skf21("4","2","6","4","3","5","7","1") = "6"
    & skf21("4","2","6","4","3","6","1","1") = "5"
    & skf21("4","2","6","4","3","6","2","1") = "5"
    & skf21("4","2","6","4","3","6","3","1") = "5"
    & skf21("4","2","6","4","3","6","4","1") = "5"
    & skf21("4","2","6","4","3","6","5","1") = "5"
    & skf21("4","2","6","4","3","6","6","1") = "5"
    & skf21("4","2","6","4","3","6","7","1") = "6"
    & skf21("4","2","6","4","3","7","1","1") = "6"
    & skf21("4","2","6","4","3","7","2","1") = "6"
    & skf21("4","2","6","4","3","7","3","1") = "6"
    & skf21("4","2","6","4","3","7","4","1") = "6"
    & skf21("4","2","6","4","3","7","5","1") = "6"
    & skf21("4","2","6","4","3","7","6","1") = "6"
    & skf21("4","2","6","4","3","7","7","1") = "6"
    & skf21("4","2","6","4","4","1","1","1") = "5"
    & skf21("4","2","6","4","4","1","2","1") = "5"
    & skf21("4","2","6","4","4","1","3","1") = "5"
    & skf21("4","2","6","4","4","1","4","1") = "5"
    & skf21("4","2","6","4","4","1","5","1") = "5"
    & skf21("4","2","6","4","4","1","6","1") = "5"
    & skf21("4","2","6","4","4","1","7","1") = "6"
    & skf21("4","2","6","4","4","2","1","1") = "5"
    & skf21("4","2","6","4","4","2","2","1") = "5"
    & skf21("4","2","6","4","4","2","3","1") = "5"
    & skf21("4","2","6","4","4","2","4","1") = "5"
    & skf21("4","2","6","4","4","2","5","1") = "5"
    & skf21("4","2","6","4","4","2","6","1") = "5"
    & skf21("4","2","6","4","4","2","7","1") = "6"
    & skf21("4","2","6","4","4","3","1","1") = "5"
    & skf21("4","2","6","4","4","3","2","1") = "5"
    & skf21("4","2","6","4","4","3","3","1") = "5"
    & skf21("4","2","6","4","4","3","4","1") = "5"
    & skf21("4","2","6","4","4","3","5","1") = "5"
    & skf21("4","2","6","4","4","3","6","1") = "5"
    & skf21("4","2","6","4","4","3","7","1") = "6"
    & skf21("4","2","6","4","4","4","1","1") = "5"
    & skf21("4","2","6","4","4","4","2","1") = "5"
    & skf21("4","2","6","4","4","4","3","1") = "5"
    & skf21("4","2","6","4","4","4","4","1") = "5"
    & skf21("4","2","6","4","4","4","5","1") = "5"
    & skf21("4","2","6","4","4","4","6","1") = "5"
    & skf21("4","2","6","4","4","4","7","1") = "6"
    & skf21("4","2","6","4","4","5","1","1") = "5"
    & skf21("4","2","6","4","4","5","2","1") = "5"
    & skf21("4","2","6","4","4","5","3","1") = "5"
    & skf21("4","2","6","4","4","5","4","1") = "5"
    & skf21("4","2","6","4","4","5","5","1") = "5"
    & skf21("4","2","6","4","4","5","6","1") = "5"
    & skf21("4","2","6","4","4","5","7","1") = "6"
    & skf21("4","2","6","4","4","6","1","1") = "5"
    & skf21("4","2","6","4","4","6","2","1") = "5"
    & skf21("4","2","6","4","4","6","3","1") = "5"
    & skf21("4","2","6","4","4","6","4","1") = "5"
    & skf21("4","2","6","4","4","6","5","1") = "5"
    & skf21("4","2","6","4","4","6","6","1") = "5"
    & skf21("4","2","6","4","4","6","7","1") = "6"
    & skf21("4","2","6","4","4","7","1","1") = "6"
    & skf21("4","2","6","4","4","7","2","1") = "6"
    & skf21("4","2","6","4","4","7","3","1") = "6"
    & skf21("4","2","6","4","4","7","4","1") = "6"
    & skf21("4","2","6","4","4","7","5","1") = "6"
    & skf21("4","2","6","4","4","7","6","1") = "6"
    & skf21("4","2","6","4","4","7","7","1") = "6"
    & skf21("4","2","6","4","5","1","1","1") = "5"
    & skf21("4","2","6","4","5","1","2","1") = "5"
    & skf21("4","2","6","4","5","1","3","1") = "5"
    & skf21("4","2","6","4","5","1","4","1") = "5"
    & skf21("4","2","6","4","5","1","5","1") = "5"
    & skf21("4","2","6","4","5","1","6","1") = "5"
    & skf21("4","2","6","4","5","1","7","1") = "6"
    & skf21("4","2","6","4","5","2","1","1") = "5"
    & skf21("4","2","6","4","5","2","2","1") = "5"
    & skf21("4","2","6","4","5","2","3","1") = "5"
    & skf21("4","2","6","4","5","2","4","1") = "5"
    & skf21("4","2","6","4","5","2","5","1") = "5"
    & skf21("4","2","6","4","5","2","6","1") = "5"
    & skf21("4","2","6","4","5","2","7","1") = "6"
    & skf21("4","2","6","4","5","3","1","1") = "5"
    & skf21("4","2","6","4","5","3","2","1") = "5"
    & skf21("4","2","6","4","5","3","3","1") = "5"
    & skf21("4","2","6","4","5","3","4","1") = "5"
    & skf21("4","2","6","4","5","3","5","1") = "5"
    & skf21("4","2","6","4","5","3","6","1") = "5"
    & skf21("4","2","6","4","5","3","7","1") = "6"
    & skf21("4","2","6","4","5","4","1","1") = "5"
    & skf21("4","2","6","4","5","4","2","1") = "5"
    & skf21("4","2","6","4","5","4","3","1") = "5"
    & skf21("4","2","6","4","5","4","4","1") = "5"
    & skf21("4","2","6","4","5","4","5","1") = "5"
    & skf21("4","2","6","4","5","4","6","1") = "5"
    & skf21("4","2","6","4","5","4","7","1") = "6"
    & skf21("4","2","6","4","5","5","1","1") = "5"
    & skf21("4","2","6","4","5","5","2","1") = "5"
    & skf21("4","2","6","4","5","5","3","1") = "5"
    & skf21("4","2","6","4","5","5","4","1") = "5"
    & skf21("4","2","6","4","5","5","5","1") = "5"
    & skf21("4","2","6","4","5","5","6","1") = "5"
    & skf21("4","2","6","4","5","5","7","1") = "6"
    & skf21("4","2","6","4","5","6","1","1") = "5"
    & skf21("4","2","6","4","5","6","2","1") = "5"
    & skf21("4","2","6","4","5","6","3","1") = "5"
    & skf21("4","2","6","4","5","6","4","1") = "5"
    & skf21("4","2","6","4","5","6","5","1") = "5"
    & skf21("4","2","6","4","5","6","6","1") = "5"
    & skf21("4","2","6","4","5","6","7","1") = "6"
    & skf21("4","2","6","4","5","7","1","1") = "6"
    & skf21("4","2","6","4","5","7","2","1") = "6"
    & skf21("4","2","6","4","5","7","3","1") = "6"
    & skf21("4","2","6","4","5","7","4","1") = "6"
    & skf21("4","2","6","4","5","7","5","1") = "6"
    & skf21("4","2","6","4","5","7","6","1") = "6"
    & skf21("4","2","6","4","5","7","7","1") = "6"
    & skf21("4","2","6","4","6","1","1","1") = "5"
    & skf21("4","2","6","4","6","1","2","1") = "5"
    & skf21("4","2","6","4","6","1","3","1") = "5"
    & skf21("4","2","6","4","6","1","4","1") = "5"
    & skf21("4","2","6","4","6","1","5","1") = "5"
    & skf21("4","2","6","4","6","1","6","1") = "5"
    & skf21("4","2","6","4","6","1","7","1") = "6"
    & skf21("4","2","6","4","6","2","1","1") = "5"
    & skf21("4","2","6","4","6","2","2","1") = "5"
    & skf21("4","2","6","4","6","2","3","1") = "5"
    & skf21("4","2","6","4","6","2","4","1") = "5"
    & skf21("4","2","6","4","6","2","5","1") = "5"
    & skf21("4","2","6","4","6","2","6","1") = "5"
    & skf21("4","2","6","4","6","2","7","1") = "6"
    & skf21("4","2","6","4","6","3","1","1") = "5"
    & skf21("4","2","6","4","6","3","2","1") = "5"
    & skf21("4","2","6","4","6","3","3","1") = "5"
    & skf21("4","2","6","4","6","3","4","1") = "5"
    & skf21("4","2","6","4","6","3","5","1") = "5"
    & skf21("4","2","6","4","6","3","6","1") = "5"
    & skf21("4","2","6","4","6","3","7","1") = "6"
    & skf21("4","2","6","4","6","4","1","1") = "5"
    & skf21("4","2","6","4","6","4","2","1") = "5"
    & skf21("4","2","6","4","6","4","3","1") = "5"
    & skf21("4","2","6","4","6","4","4","1") = "5"
    & skf21("4","2","6","4","6","4","5","1") = "5"
    & skf21("4","2","6","4","6","4","6","1") = "5"
    & skf21("4","2","6","4","6","4","7","1") = "6"
    & skf21("4","2","6","4","6","5","1","1") = "5"
    & skf21("4","2","6","4","6","5","2","1") = "5"
    & skf21("4","2","6","4","6","5","3","1") = "5"
    & skf21("4","2","6","4","6","5","4","1") = "5"
    & skf21("4","2","6","4","6","5","5","1") = "5"
    & skf21("4","2","6","4","6","5","6","1") = "5"
    & skf21("4","2","6","4","6","5","7","1") = "6"
    & skf21("4","2","6","4","6","6","1","1") = "5"
    & skf21("4","2","6","4","6","6","2","1") = "5"
    & skf21("4","2","6","4","6","6","3","1") = "5"
    & skf21("4","2","6","4","6","6","4","1") = "5"
    & skf21("4","2","6","4","6","6","5","1") = "5"
    & skf21("4","2","6","4","6","6","6","1") = "5"
    & skf21("4","2","6","4","6","6","7","1") = "6"
    & skf21("4","2","6","4","6","7","1","1") = "6"
    & skf21("4","2","6","4","6","7","2","1") = "6"
    & skf21("4","2","6","4","6","7","3","1") = "6"
    & skf21("4","2","6","4","6","7","4","1") = "6"
    & skf21("4","2","6","4","6","7","5","1") = "6"
    & skf21("4","2","6","4","6","7","6","1") = "6"
    & skf21("4","2","6","4","6","7","7","1") = "6"
    & skf21("4","2","6","4","7","1","1","1") = "6"
    & skf21("4","2","6","4","7","1","2","1") = "6"
    & skf21("4","2","6","4","7","1","3","1") = "6"
    & skf21("4","2","6","4","7","1","4","1") = "6"
    & skf21("4","2","6","4","7","1","5","1") = "6"
    & skf21("4","2","6","4","7","1","6","1") = "6"
    & skf21("4","2","6","4","7","1","7","1") = "6"
    & skf21("4","2","6","4","7","2","1","1") = "6"
    & skf21("4","2","6","4","7","2","2","1") = "6"
    & skf21("4","2","6","4","7","2","3","1") = "6"
    & skf21("4","2","6","4","7","2","4","1") = "6"
    & skf21("4","2","6","4","7","2","5","1") = "6"
    & skf21("4","2","6","4","7","2","6","1") = "6"
    & skf21("4","2","6","4","7","2","7","1") = "6"
    & skf21("4","2","6","4","7","3","1","1") = "6"
    & skf21("4","2","6","4","7","3","2","1") = "6"
    & skf21("4","2","6","4","7","3","3","1") = "6"
    & skf21("4","2","6","4","7","3","4","1") = "6"
    & skf21("4","2","6","4","7","3","5","1") = "6"
    & skf21("4","2","6","4","7","3","6","1") = "6"
    & skf21("4","2","6","4","7","3","7","1") = "6"
    & skf21("4","2","6","4","7","4","1","1") = "6"
    & skf21("4","2","6","4","7","4","2","1") = "6"
    & skf21("4","2","6","4","7","4","3","1") = "6"
    & skf21("4","2","6","4","7","4","4","1") = "6"
    & skf21("4","2","6","4","7","4","5","1") = "6"
    & skf21("4","2","6","4","7","4","6","1") = "6"
    & skf21("4","2","6","4","7","4","7","1") = "6"
    & skf21("4","2","6","4","7","5","1","1") = "6"
    & skf21("4","2","6","4","7","5","2","1") = "6"
    & skf21("4","2","6","4","7","5","3","1") = "6"
    & skf21("4","2","6","4","7","5","4","1") = "6"
    & skf21("4","2","6","4","7","5","5","1") = "6"
    & skf21("4","2","6","4","7","5","6","1") = "6"
    & skf21("4","2","6","4","7","5","7","1") = "6"
    & skf21("4","2","6","4","7","6","1","1") = "6"
    & skf21("4","2","6","4","7","6","2","1") = "6"
    & skf21("4","2","6","4","7","6","3","1") = "6"
    & skf21("4","2","6","4","7","6","4","1") = "6"
    & skf21("4","2","6","4","7","6","5","1") = "6"
    & skf21("4","2","6","4","7","6","6","1") = "6"
    & skf21("4","2","6","4","7","6","7","1") = "6"
    & skf21("4","2","6","4","7","7","1","1") = "6"
    & skf21("4","2","6","4","7","7","2","1") = "6"
    & skf21("4","2","6","4","7","7","3","1") = "6"
    & skf21("4","2","6","4","7","7","4","1") = "6"
    & skf21("4","2","6","4","7","7","5","1") = "6"
    & skf21("4","2","6","4","7","7","6","1") = "6"
    & skf21("4","2","6","4","7","7","7","1") = "6"
    & skf21("4","2","6","5","1","1","1","1") = "5"
    & skf21("4","2","6","5","1","1","2","1") = "5"
    & skf21("4","2","6","5","1","1","3","1") = "5"
    & skf21("4","2","6","5","1","1","4","1") = "5"
    & skf21("4","2","6","5","1","1","5","1") = "5"
    & skf21("4","2","6","5","1","1","6","1") = "5"
    & skf21("4","2","6","5","1","1","7","1") = "6"
    & skf21("4","2","6","5","1","2","1","1") = "5"
    & skf21("4","2","6","5","1","2","2","1") = "5"
    & skf21("4","2","6","5","1","2","3","1") = "5"
    & skf21("4","2","6","5","1","2","4","1") = "5"
    & skf21("4","2","6","5","1","2","5","1") = "5"
    & skf21("4","2","6","5","1","2","6","1") = "5"
    & skf21("4","2","6","5","1","2","7","1") = "6"
    & skf21("4","2","6","5","1","3","1","1") = "5"
    & skf21("4","2","6","5","1","3","2","1") = "5"
    & skf21("4","2","6","5","1","3","3","1") = "5"
    & skf21("4","2","6","5","1","3","4","1") = "5"
    & skf21("4","2","6","5","1","3","5","1") = "5"
    & skf21("4","2","6","5","1","3","6","1") = "5"
    & skf21("4","2","6","5","1","3","7","1") = "6"
    & skf21("4","2","6","5","1","4","1","1") = "5"
    & skf21("4","2","6","5","1","4","2","1") = "5"
    & skf21("4","2","6","5","1","4","3","1") = "5"
    & skf21("4","2","6","5","1","4","4","1") = "5"
    & skf21("4","2","6","5","1","4","5","1") = "5"
    & skf21("4","2","6","5","1","4","6","1") = "5"
    & skf21("4","2","6","5","1","4","7","1") = "6"
    & skf21("4","2","6","5","1","5","1","1") = "5"
    & skf21("4","2","6","5","1","5","2","1") = "5"
    & skf21("4","2","6","5","1","5","3","1") = "5"
    & skf21("4","2","6","5","1","5","4","1") = "5"
    & skf21("4","2","6","5","1","5","5","1") = "5"
    & skf21("4","2","6","5","1","5","6","1") = "5"
    & skf21("4","2","6","5","1","5","7","1") = "6"
    & skf21("4","2","6","5","1","6","1","1") = "5"
    & skf21("4","2","6","5","1","6","2","1") = "5"
    & skf21("4","2","6","5","1","6","3","1") = "5"
    & skf21("4","2","6","5","1","6","4","1") = "5"
    & skf21("4","2","6","5","1","6","5","1") = "5"
    & skf21("4","2","6","5","1","6","6","1") = "5"
    & skf21("4","2","6","5","1","6","7","1") = "6"
    & skf21("4","2","6","5","1","7","1","1") = "6"
    & skf21("4","2","6","5","1","7","2","1") = "6"
    & skf21("4","2","6","5","1","7","3","1") = "6"
    & skf21("4","2","6","5","1","7","4","1") = "6"
    & skf21("4","2","6","5","1","7","5","1") = "6"
    & skf21("4","2","6","5","1","7","6","1") = "6"
    & skf21("4","2","6","5","1","7","7","1") = "6"
    & skf21("4","2","6","5","2","1","1","1") = "5"
    & skf21("4","2","6","5","2","1","2","1") = "5"
    & skf21("4","2","6","5","2","1","3","1") = "5"
    & skf21("4","2","6","5","2","1","4","1") = "5"
    & skf21("4","2","6","5","2","1","5","1") = "5"
    & skf21("4","2","6","5","2","1","6","1") = "5"
    & skf21("4","2","6","5","2","1","7","1") = "6"
    & skf21("4","2","6","5","2","2","1","1") = "5"
    & skf21("4","2","6","5","2","2","2","1") = "5"
    & skf21("4","2","6","5","2","2","3","1") = "5"
    & skf21("4","2","6","5","2","2","4","1") = "5"
    & skf21("4","2","6","5","2","2","5","1") = "5"
    & skf21("4","2","6","5","2","2","6","1") = "5"
    & skf21("4","2","6","5","2","2","7","1") = "6"
    & skf21("4","2","6","5","2","3","1","1") = "5"
    & skf21("4","2","6","5","2","3","2","1") = "5"
    & skf21("4","2","6","5","2","3","3","1") = "5"
    & skf21("4","2","6","5","2","3","4","1") = "5"
    & skf21("4","2","6","5","2","3","5","1") = "5"
    & skf21("4","2","6","5","2","3","6","1") = "5"
    & skf21("4","2","6","5","2","3","7","1") = "6"
    & skf21("4","2","6","5","2","4","1","1") = "5"
    & skf21("4","2","6","5","2","4","2","1") = "5"
    & skf21("4","2","6","5","2","4","3","1") = "5"
    & skf21("4","2","6","5","2","4","4","1") = "5"
    & skf21("4","2","6","5","2","4","5","1") = "5"
    & skf21("4","2","6","5","2","4","6","1") = "5"
    & skf21("4","2","6","5","2","4","7","1") = "6"
    & skf21("4","2","6","5","2","5","1","1") = "5"
    & skf21("4","2","6","5","2","5","2","1") = "5"
    & skf21("4","2","6","5","2","5","3","1") = "5"
    & skf21("4","2","6","5","2","5","4","1") = "5"
    & skf21("4","2","6","5","2","5","5","1") = "5"
    & skf21("4","2","6","5","2","5","6","1") = "5"
    & skf21("4","2","6","5","2","5","7","1") = "6"
    & skf21("4","2","6","5","2","6","1","1") = "5"
    & skf21("4","2","6","5","2","6","2","1") = "5"
    & skf21("4","2","6","5","2","6","3","1") = "5"
    & skf21("4","2","6","5","2","6","4","1") = "5"
    & skf21("4","2","6","5","2","6","5","1") = "5"
    & skf21("4","2","6","5","2","6","6","1") = "5"
    & skf21("4","2","6","5","2","6","7","1") = "6"
    & skf21("4","2","6","5","2","7","1","1") = "6"
    & skf21("4","2","6","5","2","7","2","1") = "6"
    & skf21("4","2","6","5","2","7","3","1") = "6"
    & skf21("4","2","6","5","2","7","4","1") = "6"
    & skf21("4","2","6","5","2","7","5","1") = "6"
    & skf21("4","2","6","5","2","7","6","1") = "6"
    & skf21("4","2","6","5","2","7","7","1") = "6"
    & skf21("4","2","6","5","3","1","1","1") = "5"
    & skf21("4","2","6","5","3","1","2","1") = "5"
    & skf21("4","2","6","5","3","1","3","1") = "5"
    & skf21("4","2","6","5","3","1","4","1") = "5"
    & skf21("4","2","6","5","3","1","5","1") = "5"
    & skf21("4","2","6","5","3","1","6","1") = "5"
    & skf21("4","2","6","5","3","1","7","1") = "6"
    & skf21("4","2","6","5","3","2","1","1") = "5"
    & skf21("4","2","6","5","3","2","2","1") = "5"
    & skf21("4","2","6","5","3","2","3","1") = "5"
    & skf21("4","2","6","5","3","2","4","1") = "5"
    & skf21("4","2","6","5","3","2","5","1") = "5"
    & skf21("4","2","6","5","3","2","6","1") = "5"
    & skf21("4","2","6","5","3","2","7","1") = "6"
    & skf21("4","2","6","5","3","3","1","1") = "5"
    & skf21("4","2","6","5","3","3","2","1") = "5"
    & skf21("4","2","6","5","3","3","3","1") = "5"
    & skf21("4","2","6","5","3","3","4","1") = "5"
    & skf21("4","2","6","5","3","3","5","1") = "5"
    & skf21("4","2","6","5","3","3","6","1") = "5"
    & skf21("4","2","6","5","3","3","7","1") = "6"
    & skf21("4","2","6","5","3","4","1","1") = "5"
    & skf21("4","2","6","5","3","4","2","1") = "5"
    & skf21("4","2","6","5","3","4","3","1") = "5"
    & skf21("4","2","6","5","3","4","4","1") = "5"
    & skf21("4","2","6","5","3","4","5","1") = "5"
    & skf21("4","2","6","5","3","4","6","1") = "5"
    & skf21("4","2","6","5","3","4","7","1") = "6"
    & skf21("4","2","6","5","3","5","1","1") = "5"
    & skf21("4","2","6","5","3","5","2","1") = "5"
    & skf21("4","2","6","5","3","5","3","1") = "5"
    & skf21("4","2","6","5","3","5","4","1") = "5"
    & skf21("4","2","6","5","3","5","5","1") = "5"
    & skf21("4","2","6","5","3","5","6","1") = "5"
    & skf21("4","2","6","5","3","5","7","1") = "6"
    & skf21("4","2","6","5","3","6","1","1") = "5"
    & skf21("4","2","6","5","3","6","2","1") = "5"
    & skf21("4","2","6","5","3","6","3","1") = "5"
    & skf21("4","2","6","5","3","6","4","1") = "5"
    & skf21("4","2","6","5","3","6","5","1") = "5"
    & skf21("4","2","6","5","3","6","6","1") = "5"
    & skf21("4","2","6","5","3","6","7","1") = "6"
    & skf21("4","2","6","5","3","7","1","1") = "6"
    & skf21("4","2","6","5","3","7","2","1") = "6"
    & skf21("4","2","6","5","3","7","3","1") = "6"
    & skf21("4","2","6","5","3","7","4","1") = "6"
    & skf21("4","2","6","5","3","7","5","1") = "6"
    & skf21("4","2","6","5","3","7","6","1") = "6"
    & skf21("4","2","6","5","3","7","7","1") = "6"
    & skf21("4","2","6","5","4","1","1","1") = "5"
    & skf21("4","2","6","5","4","1","2","1") = "5"
    & skf21("4","2","6","5","4","1","3","1") = "5"
    & skf21("4","2","6","5","4","1","4","1") = "5"
    & skf21("4","2","6","5","4","1","5","1") = "5"
    & skf21("4","2","6","5","4","1","6","1") = "5"
    & skf21("4","2","6","5","4","1","7","1") = "6"
    & skf21("4","2","6","5","4","2","1","1") = "5"
    & skf21("4","2","6","5","4","2","2","1") = "5"
    & skf21("4","2","6","5","4","2","3","1") = "5"
    & skf21("4","2","6","5","4","2","4","1") = "5"
    & skf21("4","2","6","5","4","2","5","1") = "5"
    & skf21("4","2","6","5","4","2","6","1") = "5"
    & skf21("4","2","6","5","4","2","7","1") = "6"
    & skf21("4","2","6","5","4","3","1","1") = "5"
    & skf21("4","2","6","5","4","3","2","1") = "5"
    & skf21("4","2","6","5","4","3","3","1") = "5"
    & skf21("4","2","6","5","4","3","4","1") = "5"
    & skf21("4","2","6","5","4","3","5","1") = "5"
    & skf21("4","2","6","5","4","3","6","1") = "5"
    & skf21("4","2","6","5","4","3","7","1") = "6"
    & skf21("4","2","6","5","4","4","1","1") = "5"
    & skf21("4","2","6","5","4","4","2","1") = "5"
    & skf21("4","2","6","5","4","4","3","1") = "5"
    & skf21("4","2","6","5","4","4","4","1") = "5"
    & skf21("4","2","6","5","4","4","5","1") = "5"
    & skf21("4","2","6","5","4","4","6","1") = "5"
    & skf21("4","2","6","5","4","4","7","1") = "6"
    & skf21("4","2","6","5","4","5","1","1") = "5"
    & skf21("4","2","6","5","4","5","2","1") = "5"
    & skf21("4","2","6","5","4","5","3","1") = "5"
    & skf21("4","2","6","5","4","5","4","1") = "5"
    & skf21("4","2","6","5","4","5","5","1") = "5"
    & skf21("4","2","6","5","4","5","6","1") = "5"
    & skf21("4","2","6","5","4","5","7","1") = "6"
    & skf21("4","2","6","5","4","6","1","1") = "5"
    & skf21("4","2","6","5","4","6","2","1") = "5"
    & skf21("4","2","6","5","4","6","3","1") = "5"
    & skf21("4","2","6","5","4","6","4","1") = "5"
    & skf21("4","2","6","5","4","6","5","1") = "5"
    & skf21("4","2","6","5","4","6","6","1") = "5"
    & skf21("4","2","6","5","4","6","7","1") = "6"
    & skf21("4","2","6","5","4","7","1","1") = "6"
    & skf21("4","2","6","5","4","7","2","1") = "6"
    & skf21("4","2","6","5","4","7","3","1") = "6"
    & skf21("4","2","6","5","4","7","4","1") = "6"
    & skf21("4","2","6","5","4","7","5","1") = "6"
    & skf21("4","2","6","5","4","7","6","1") = "6"
    & skf21("4","2","6","5","4","7","7","1") = "6"
    & skf21("4","2","6","5","5","1","1","1") = "5"
    & skf21("4","2","6","5","5","1","2","1") = "5"
    & skf21("4","2","6","5","5","1","3","1") = "5"
    & skf21("4","2","6","5","5","1","4","1") = "5"
    & skf21("4","2","6","5","5","1","5","1") = "5"
    & skf21("4","2","6","5","5","1","6","1") = "5"
    & skf21("4","2","6","5","5","1","7","1") = "6"
    & skf21("4","2","6","5","5","2","1","1") = "5"
    & skf21("4","2","6","5","5","2","2","1") = "5"
    & skf21("4","2","6","5","5","2","3","1") = "5"
    & skf21("4","2","6","5","5","2","4","1") = "5"
    & skf21("4","2","6","5","5","2","5","1") = "5"
    & skf21("4","2","6","5","5","2","6","1") = "5"
    & skf21("4","2","6","5","5","2","7","1") = "6"
    & skf21("4","2","6","5","5","3","1","1") = "5"
    & skf21("4","2","6","5","5","3","2","1") = "5"
    & skf21("4","2","6","5","5","3","3","1") = "5"
    & skf21("4","2","6","5","5","3","4","1") = "5"
    & skf21("4","2","6","5","5","3","5","1") = "5"
    & skf21("4","2","6","5","5","3","6","1") = "5"
    & skf21("4","2","6","5","5","3","7","1") = "6"
    & skf21("4","2","6","5","5","4","1","1") = "5"
    & skf21("4","2","6","5","5","4","2","1") = "5"
    & skf21("4","2","6","5","5","4","3","1") = "5"
    & skf21("4","2","6","5","5","4","4","1") = "5"
    & skf21("4","2","6","5","5","4","5","1") = "5"
    & skf21("4","2","6","5","5","4","6","1") = "5"
    & skf21("4","2","6","5","5","4","7","1") = "6"
    & skf21("4","2","6","5","5","5","1","1") = "5"
    & skf21("4","2","6","5","5","5","2","1") = "5"
    & skf21("4","2","6","5","5","5","3","1") = "5"
    & skf21("4","2","6","5","5","5","4","1") = "5"
    & skf21("4","2","6","5","5","5","5","1") = "5"
    & skf21("4","2","6","5","5","5","6","1") = "5"
    & skf21("4","2","6","5","5","5","7","1") = "6"
    & skf21("4","2","6","5","5","6","1","1") = "5"
    & skf21("4","2","6","5","5","6","2","1") = "5"
    & skf21("4","2","6","5","5","6","3","1") = "5"
    & skf21("4","2","6","5","5","6","4","1") = "5"
    & skf21("4","2","6","5","5","6","5","1") = "5"
    & skf21("4","2","6","5","5","6","6","1") = "5"
    & skf21("4","2","6","5","5","6","7","1") = "6"
    & skf21("4","2","6","5","5","7","1","1") = "6"
    & skf21("4","2","6","5","5","7","2","1") = "6"
    & skf21("4","2","6","5","5","7","3","1") = "6"
    & skf21("4","2","6","5","5","7","4","1") = "6"
    & skf21("4","2","6","5","5","7","5","1") = "6"
    & skf21("4","2","6","5","5","7","6","1") = "6"
    & skf21("4","2","6","5","5","7","7","1") = "6"
    & skf21("4","2","6","5","6","1","1","1") = "5"
    & skf21("4","2","6","5","6","1","2","1") = "5"
    & skf21("4","2","6","5","6","1","3","1") = "5"
    & skf21("4","2","6","5","6","1","4","1") = "5"
    & skf21("4","2","6","5","6","1","5","1") = "5"
    & skf21("4","2","6","5","6","1","6","1") = "5"
    & skf21("4","2","6","5","6","1","7","1") = "6"
    & skf21("4","2","6","5","6","2","1","1") = "5"
    & skf21("4","2","6","5","6","2","2","1") = "5"
    & skf21("4","2","6","5","6","2","3","1") = "5"
    & skf21("4","2","6","5","6","2","4","1") = "5"
    & skf21("4","2","6","5","6","2","5","1") = "5"
    & skf21("4","2","6","5","6","2","6","1") = "5"
    & skf21("4","2","6","5","6","2","7","1") = "6"
    & skf21("4","2","6","5","6","3","1","1") = "5"
    & skf21("4","2","6","5","6","3","2","1") = "5"
    & skf21("4","2","6","5","6","3","3","1") = "5"
    & skf21("4","2","6","5","6","3","4","1") = "5"
    & skf21("4","2","6","5","6","3","5","1") = "5"
    & skf21("4","2","6","5","6","3","6","1") = "5"
    & skf21("4","2","6","5","6","3","7","1") = "6"
    & skf21("4","2","6","5","6","4","1","1") = "5"
    & skf21("4","2","6","5","6","4","2","1") = "5"
    & skf21("4","2","6","5","6","4","3","1") = "5"
    & skf21("4","2","6","5","6","4","4","1") = "5"
    & skf21("4","2","6","5","6","4","5","1") = "5"
    & skf21("4","2","6","5","6","4","6","1") = "5"
    & skf21("4","2","6","5","6","4","7","1") = "6"
    & skf21("4","2","6","5","6","5","1","1") = "5"
    & skf21("4","2","6","5","6","5","2","1") = "5"
    & skf21("4","2","6","5","6","5","3","1") = "5"
    & skf21("4","2","6","5","6","5","4","1") = "5"
    & skf21("4","2","6","5","6","5","5","1") = "5"
    & skf21("4","2","6","5","6","5","6","1") = "5"
    & skf21("4","2","6","5","6","5","7","1") = "6"
    & skf21("4","2","6","5","6","6","1","1") = "5"
    & skf21("4","2","6","5","6","6","2","1") = "5"
    & skf21("4","2","6","5","6","6","3","1") = "5"
    & skf21("4","2","6","5","6","6","4","1") = "5"
    & skf21("4","2","6","5","6","6","5","1") = "5"
    & skf21("4","2","6","5","6","6","6","1") = "5"
    & skf21("4","2","6","5","6","6","7","1") = "6"
    & skf21("4","2","6","5","6","7","1","1") = "6"
    & skf21("4","2","6","5","6","7","2","1") = "6"
    & skf21("4","2","6","5","6","7","3","1") = "6"
    & skf21("4","2","6","5","6","7","4","1") = "6"
    & skf21("4","2","6","5","6","7","5","1") = "6"
    & skf21("4","2","6","5","6","7","6","1") = "6"
    & skf21("4","2","6","5","6","7","7","1") = "6"
    & skf21("4","2","6","5","7","1","1","1") = "6"
    & skf21("4","2","6","5","7","1","2","1") = "6"
    & skf21("4","2","6","5","7","1","3","1") = "6"
    & skf21("4","2","6","5","7","1","4","1") = "6"
    & skf21("4","2","6","5","7","1","5","1") = "6"
    & skf21("4","2","6","5","7","1","6","1") = "6"
    & skf21("4","2","6","5","7","1","7","1") = "6"
    & skf21("4","2","6","5","7","2","1","1") = "6"
    & skf21("4","2","6","5","7","2","2","1") = "6"
    & skf21("4","2","6","5","7","2","3","1") = "6"
    & skf21("4","2","6","5","7","2","4","1") = "6"
    & skf21("4","2","6","5","7","2","5","1") = "6"
    & skf21("4","2","6","5","7","2","6","1") = "6"
    & skf21("4","2","6","5","7","2","7","1") = "6"
    & skf21("4","2","6","5","7","3","1","1") = "6"
    & skf21("4","2","6","5","7","3","2","1") = "6"
    & skf21("4","2","6","5","7","3","3","1") = "6"
    & skf21("4","2","6","5","7","3","4","1") = "6"
    & skf21("4","2","6","5","7","3","5","1") = "6"
    & skf21("4","2","6","5","7","3","6","1") = "6"
    & skf21("4","2","6","5","7","3","7","1") = "6"
    & skf21("4","2","6","5","7","4","1","1") = "6"
    & skf21("4","2","6","5","7","4","2","1") = "6"
    & skf21("4","2","6","5","7","4","3","1") = "6"
    & skf21("4","2","6","5","7","4","4","1") = "6"
    & skf21("4","2","6","5","7","4","5","1") = "6"
    & skf21("4","2","6","5","7","4","6","1") = "6"
    & skf21("4","2","6","5","7","4","7","1") = "6"
    & skf21("4","2","6","5","7","5","1","1") = "6"
    & skf21("4","2","6","5","7","5","2","1") = "6"
    & skf21("4","2","6","5","7","5","3","1") = "6"
    & skf21("4","2","6","5","7","5","4","1") = "6"
    & skf21("4","2","6","5","7","5","5","1") = "6"
    & skf21("4","2","6","5","7","5","6","1") = "6"
    & skf21("4","2","6","5","7","5","7","1") = "6"
    & skf21("4","2","6","5","7","6","1","1") = "6"
    & skf21("4","2","6","5","7","6","2","1") = "6"
    & skf21("4","2","6","5","7","6","3","1") = "6"
    & skf21("4","2","6","5","7","6","4","1") = "6"
    & skf21("4","2","6","5","7","6","5","1") = "6"
    & skf21("4","2","6","5","7","6","6","1") = "6"
    & skf21("4","2","6","5","7","6","7","1") = "6"
    & skf21("4","2","6","5","7","7","1","1") = "6"
    & skf21("4","2","6","5","7","7","2","1") = "6"
    & skf21("4","2","6","5","7","7","3","1") = "6"
    & skf21("4","2","6","5","7","7","4","1") = "6"
    & skf21("4","2","6","5","7","7","5","1") = "6"
    & skf21("4","2","6","5","7","7","6","1") = "6"
    & skf21("4","2","6","5","7","7","7","1") = "6"
    & skf21("4","2","6","6","1","1","1","1") = "5"
    & skf21("4","2","6","6","1","1","2","1") = "5"
    & skf21("4","2","6","6","1","1","3","1") = "5"
    & skf21("4","2","6","6","1","1","4","1") = "5"
    & skf21("4","2","6","6","1","1","5","1") = "5"
    & skf21("4","2","6","6","1","1","6","1") = "5"
    & skf21("4","2","6","6","1","1","7","1") = "6"
    & skf21("4","2","6","6","1","2","1","1") = "5"
    & skf21("4","2","6","6","1","2","2","1") = "5"
    & skf21("4","2","6","6","1","2","3","1") = "5"
    & skf21("4","2","6","6","1","2","4","1") = "5"
    & skf21("4","2","6","6","1","2","5","1") = "5"
    & skf21("4","2","6","6","1","2","6","1") = "5"
    & skf21("4","2","6","6","1","2","7","1") = "6"
    & skf21("4","2","6","6","1","3","1","1") = "5"
    & skf21("4","2","6","6","1","3","2","1") = "5"
    & skf21("4","2","6","6","1","3","3","1") = "5"
    & skf21("4","2","6","6","1","3","4","1") = "5"
    & skf21("4","2","6","6","1","3","5","1") = "5"
    & skf21("4","2","6","6","1","3","6","1") = "5"
    & skf21("4","2","6","6","1","3","7","1") = "6"
    & skf21("4","2","6","6","1","4","1","1") = "5"
    & skf21("4","2","6","6","1","4","2","1") = "5"
    & skf21("4","2","6","6","1","4","3","1") = "5"
    & skf21("4","2","6","6","1","4","4","1") = "5"
    & skf21("4","2","6","6","1","4","5","1") = "5"
    & skf21("4","2","6","6","1","4","6","1") = "5"
    & skf21("4","2","6","6","1","4","7","1") = "6"
    & skf21("4","2","6","6","1","5","1","1") = "5"
    & skf21("4","2","6","6","1","5","2","1") = "5"
    & skf21("4","2","6","6","1","5","3","1") = "5"
    & skf21("4","2","6","6","1","5","4","1") = "5"
    & skf21("4","2","6","6","1","5","5","1") = "5"
    & skf21("4","2","6","6","1","5","6","1") = "5"
    & skf21("4","2","6","6","1","5","7","1") = "6"
    & skf21("4","2","6","6","1","6","1","1") = "5"
    & skf21("4","2","6","6","1","6","2","1") = "5"
    & skf21("4","2","6","6","1","6","3","1") = "5"
    & skf21("4","2","6","6","1","6","4","1") = "5"
    & skf21("4","2","6","6","1","6","5","1") = "5"
    & skf21("4","2","6","6","1","6","6","1") = "5"
    & skf21("4","2","6","6","1","6","7","1") = "6"
    & skf21("4","2","6","6","1","7","1","1") = "6"
    & skf21("4","2","6","6","1","7","2","1") = "6"
    & skf21("4","2","6","6","1","7","3","1") = "6"
    & skf21("4","2","6","6","1","7","4","1") = "6"
    & skf21("4","2","6","6","1","7","5","1") = "6"
    & skf21("4","2","6","6","1","7","6","1") = "6"
    & skf21("4","2","6","6","1","7","7","1") = "6"
    & skf21("4","2","6","6","2","1","1","1") = "5"
    & skf21("4","2","6","6","2","1","2","1") = "5"
    & skf21("4","2","6","6","2","1","3","1") = "5"
    & skf21("4","2","6","6","2","1","4","1") = "5"
    & skf21("4","2","6","6","2","1","5","1") = "5"
    & skf21("4","2","6","6","2","1","6","1") = "5"
    & skf21("4","2","6","6","2","1","7","1") = "6"
    & skf21("4","2","6","6","2","2","1","1") = "5"
    & skf21("4","2","6","6","2","2","2","1") = "5"
    & skf21("4","2","6","6","2","2","3","1") = "5"
    & skf21("4","2","6","6","2","2","4","1") = "5"
    & skf21("4","2","6","6","2","2","5","1") = "5"
    & skf21("4","2","6","6","2","2","6","1") = "5"
    & skf21("4","2","6","6","2","2","7","1") = "6"
    & skf21("4","2","6","6","2","3","1","1") = "5"
    & skf21("4","2","6","6","2","3","2","1") = "5"
    & skf21("4","2","6","6","2","3","3","1") = "5"
    & skf21("4","2","6","6","2","3","4","1") = "5"
    & skf21("4","2","6","6","2","3","5","1") = "5"
    & skf21("4","2","6","6","2","3","6","1") = "5"
    & skf21("4","2","6","6","2","3","7","1") = "6"
    & skf21("4","2","6","6","2","4","1","1") = "5"
    & skf21("4","2","6","6","2","4","2","1") = "5"
    & skf21("4","2","6","6","2","4","3","1") = "5"
    & skf21("4","2","6","6","2","4","4","1") = "5"
    & skf21("4","2","6","6","2","4","5","1") = "5"
    & skf21("4","2","6","6","2","4","6","1") = "5"
    & skf21("4","2","6","6","2","4","7","1") = "6"
    & skf21("4","2","6","6","2","5","1","1") = "5"
    & skf21("4","2","6","6","2","5","2","1") = "5"
    & skf21("4","2","6","6","2","5","3","1") = "5"
    & skf21("4","2","6","6","2","5","4","1") = "5"
    & skf21("4","2","6","6","2","5","5","1") = "5"
    & skf21("4","2","6","6","2","5","6","1") = "5"
    & skf21("4","2","6","6","2","5","7","1") = "6"
    & skf21("4","2","6","6","2","6","1","1") = "5"
    & skf21("4","2","6","6","2","6","2","1") = "5"
    & skf21("4","2","6","6","2","6","3","1") = "5"
    & skf21("4","2","6","6","2","6","4","1") = "5"
    & skf21("4","2","6","6","2","6","5","1") = "5"
    & skf21("4","2","6","6","2","6","6","1") = "5"
    & skf21("4","2","6","6","2","6","7","1") = "6"
    & skf21("4","2","6","6","2","7","1","1") = "6"
    & skf21("4","2","6","6","2","7","2","1") = "6"
    & skf21("4","2","6","6","2","7","3","1") = "6"
    & skf21("4","2","6","6","2","7","4","1") = "6"
    & skf21("4","2","6","6","2","7","5","1") = "6"
    & skf21("4","2","6","6","2","7","6","1") = "6"
    & skf21("4","2","6","6","2","7","7","1") = "6"
    & skf21("4","2","6","6","3","1","1","1") = "5"
    & skf21("4","2","6","6","3","1","2","1") = "5"
    & skf21("4","2","6","6","3","1","3","1") = "5"
    & skf21("4","2","6","6","3","1","4","1") = "5"
    & skf21("4","2","6","6","3","1","5","1") = "5"
    & skf21("4","2","6","6","3","1","6","1") = "5"
    & skf21("4","2","6","6","3","1","7","1") = "6"
    & skf21("4","2","6","6","3","2","1","1") = "5"
    & skf21("4","2","6","6","3","2","2","1") = "5"
    & skf21("4","2","6","6","3","2","3","1") = "5"
    & skf21("4","2","6","6","3","2","4","1") = "5"
    & skf21("4","2","6","6","3","2","5","1") = "5"
    & skf21("4","2","6","6","3","2","6","1") = "5"
    & skf21("4","2","6","6","3","2","7","1") = "6"
    & skf21("4","2","6","6","3","3","1","1") = "5"
    & skf21("4","2","6","6","3","3","2","1") = "5"
    & skf21("4","2","6","6","3","3","3","1") = "5"
    & skf21("4","2","6","6","3","3","4","1") = "5"
    & skf21("4","2","6","6","3","3","5","1") = "5"
    & skf21("4","2","6","6","3","3","6","1") = "5"
    & skf21("4","2","6","6","3","3","7","1") = "6"
    & skf21("4","2","6","6","3","4","1","1") = "5"
    & skf21("4","2","6","6","3","4","2","1") = "5"
    & skf21("4","2","6","6","3","4","3","1") = "5"
    & skf21("4","2","6","6","3","4","4","1") = "5"
    & skf21("4","2","6","6","3","4","5","1") = "5"
    & skf21("4","2","6","6","3","4","6","1") = "5"
    & skf21("4","2","6","6","3","4","7","1") = "6"
    & skf21("4","2","6","6","3","5","1","1") = "5"
    & skf21("4","2","6","6","3","5","2","1") = "5"
    & skf21("4","2","6","6","3","5","3","1") = "5"
    & skf21("4","2","6","6","3","5","4","1") = "5"
    & skf21("4","2","6","6","3","5","5","1") = "5"
    & skf21("4","2","6","6","3","5","6","1") = "5"
    & skf21("4","2","6","6","3","5","7","1") = "6"
    & skf21("4","2","6","6","3","6","1","1") = "5"
    & skf21("4","2","6","6","3","6","2","1") = "5"
    & skf21("4","2","6","6","3","6","3","1") = "5"
    & skf21("4","2","6","6","3","6","4","1") = "5"
    & skf21("4","2","6","6","3","6","5","1") = "5"
    & skf21("4","2","6","6","3","6","6","1") = "5"
    & skf21("4","2","6","6","3","6","7","1") = "6"
    & skf21("4","2","6","6","3","7","1","1") = "6"
    & skf21("4","2","6","6","3","7","2","1") = "6"
    & skf21("4","2","6","6","3","7","3","1") = "6"
    & skf21("4","2","6","6","3","7","4","1") = "6"
    & skf21("4","2","6","6","3","7","5","1") = "6"
    & skf21("4","2","6","6","3","7","6","1") = "6"
    & skf21("4","2","6","6","3","7","7","1") = "6"
    & skf21("4","2","6","6","4","1","1","1") = "5"
    & skf21("4","2","6","6","4","1","2","1") = "5"
    & skf21("4","2","6","6","4","1","3","1") = "5"
    & skf21("4","2","6","6","4","1","4","1") = "5"
    & skf21("4","2","6","6","4","1","5","1") = "5"
    & skf21("4","2","6","6","4","1","6","1") = "5"
    & skf21("4","2","6","6","4","1","7","1") = "6"
    & skf21("4","2","6","6","4","2","1","1") = "5"
    & skf21("4","2","6","6","4","2","2","1") = "5"
    & skf21("4","2","6","6","4","2","3","1") = "5"
    & skf21("4","2","6","6","4","2","4","1") = "5"
    & skf21("4","2","6","6","4","2","5","1") = "5"
    & skf21("4","2","6","6","4","2","6","1") = "5"
    & skf21("4","2","6","6","4","2","7","1") = "6"
    & skf21("4","2","6","6","4","3","1","1") = "5"
    & skf21("4","2","6","6","4","3","2","1") = "5"
    & skf21("4","2","6","6","4","3","3","1") = "5"
    & skf21("4","2","6","6","4","3","4","1") = "5"
    & skf21("4","2","6","6","4","3","5","1") = "5"
    & skf21("4","2","6","6","4","3","6","1") = "5"
    & skf21("4","2","6","6","4","3","7","1") = "6"
    & skf21("4","2","6","6","4","4","1","1") = "5"
    & skf21("4","2","6","6","4","4","2","1") = "5"
    & skf21("4","2","6","6","4","4","3","1") = "5"
    & skf21("4","2","6","6","4","4","4","1") = "5"
    & skf21("4","2","6","6","4","4","5","1") = "5"
    & skf21("4","2","6","6","4","4","6","1") = "5"
    & skf21("4","2","6","6","4","4","7","1") = "6"
    & skf21("4","2","6","6","4","5","1","1") = "5"
    & skf21("4","2","6","6","4","5","2","1") = "5"
    & skf21("4","2","6","6","4","5","3","1") = "5"
    & skf21("4","2","6","6","4","5","4","1") = "5"
    & skf21("4","2","6","6","4","5","5","1") = "5"
    & skf21("4","2","6","6","4","5","6","1") = "5"
    & skf21("4","2","6","6","4","5","7","1") = "6"
    & skf21("4","2","6","6","4","6","1","1") = "5"
    & skf21("4","2","6","6","4","6","2","1") = "5"
    & skf21("4","2","6","6","4","6","3","1") = "5"
    & skf21("4","2","6","6","4","6","4","1") = "5"
    & skf21("4","2","6","6","4","6","5","1") = "5"
    & skf21("4","2","6","6","4","6","6","1") = "5"
    & skf21("4","2","6","6","4","6","7","1") = "6"
    & skf21("4","2","6","6","4","7","1","1") = "6"
    & skf21("4","2","6","6","4","7","2","1") = "6"
    & skf21("4","2","6","6","4","7","3","1") = "6"
    & skf21("4","2","6","6","4","7","4","1") = "6"
    & skf21("4","2","6","6","4","7","5","1") = "6"
    & skf21("4","2","6","6","4","7","6","1") = "6"
    & skf21("4","2","6","6","4","7","7","1") = "6"
    & skf21("4","2","6","6","5","1","1","1") = "5"
    & skf21("4","2","6","6","5","1","2","1") = "5"
    & skf21("4","2","6","6","5","1","3","1") = "5"
    & skf21("4","2","6","6","5","1","4","1") = "5"
    & skf21("4","2","6","6","5","1","5","1") = "5"
    & skf21("4","2","6","6","5","1","6","1") = "5"
    & skf21("4","2","6","6","5","1","7","1") = "6"
    & skf21("4","2","6","6","5","2","1","1") = "5"
    & skf21("4","2","6","6","5","2","2","1") = "5"
    & skf21("4","2","6","6","5","2","3","1") = "5"
    & skf21("4","2","6","6","5","2","4","1") = "5"
    & skf21("4","2","6","6","5","2","5","1") = "5"
    & skf21("4","2","6","6","5","2","6","1") = "5"
    & skf21("4","2","6","6","5","2","7","1") = "6"
    & skf21("4","2","6","6","5","3","1","1") = "5"
    & skf21("4","2","6","6","5","3","2","1") = "5"
    & skf21("4","2","6","6","5","3","3","1") = "5"
    & skf21("4","2","6","6","5","3","4","1") = "5"
    & skf21("4","2","6","6","5","3","5","1") = "5"
    & skf21("4","2","6","6","5","3","6","1") = "5"
    & skf21("4","2","6","6","5","3","7","1") = "6"
    & skf21("4","2","6","6","5","4","1","1") = "5"
    & skf21("4","2","6","6","5","4","2","1") = "5"
    & skf21("4","2","6","6","5","4","3","1") = "5"
    & skf21("4","2","6","6","5","4","4","1") = "5"
    & skf21("4","2","6","6","5","4","5","1") = "5"
    & skf21("4","2","6","6","5","4","6","1") = "5"
    & skf21("4","2","6","6","5","4","7","1") = "6"
    & skf21("4","2","6","6","5","5","1","1") = "5"
    & skf21("4","2","6","6","5","5","2","1") = "5"
    & skf21("4","2","6","6","5","5","3","1") = "5"
    & skf21("4","2","6","6","5","5","4","1") = "5"
    & skf21("4","2","6","6","5","5","5","1") = "5"
    & skf21("4","2","6","6","5","5","6","1") = "5"
    & skf21("4","2","6","6","5","5","7","1") = "6"
    & skf21("4","2","6","6","5","6","1","1") = "5"
    & skf21("4","2","6","6","5","6","2","1") = "5"
    & skf21("4","2","6","6","5","6","3","1") = "5"
    & skf21("4","2","6","6","5","6","4","1") = "5"
    & skf21("4","2","6","6","5","6","5","1") = "5"
    & skf21("4","2","6","6","5","6","6","1") = "5"
    & skf21("4","2","6","6","5","6","7","1") = "6"
    & skf21("4","2","6","6","5","7","1","1") = "6"
    & skf21("4","2","6","6","5","7","2","1") = "6"
    & skf21("4","2","6","6","5","7","3","1") = "6"
    & skf21("4","2","6","6","5","7","4","1") = "6"
    & skf21("4","2","6","6","5","7","5","1") = "6"
    & skf21("4","2","6","6","5","7","6","1") = "6"
    & skf21("4","2","6","6","5","7","7","1") = "6"
    & skf21("4","2","6","6","6","1","1","1") = "5"
    & skf21("4","2","6","6","6","1","2","1") = "5"
    & skf21("4","2","6","6","6","1","3","1") = "5"
    & skf21("4","2","6","6","6","1","4","1") = "5"
    & skf21("4","2","6","6","6","1","5","1") = "5"
    & skf21("4","2","6","6","6","1","6","1") = "5"
    & skf21("4","2","6","6","6","1","7","1") = "6"
    & skf21("4","2","6","6","6","2","1","1") = "5"
    & skf21("4","2","6","6","6","2","2","1") = "5"
    & skf21("4","2","6","6","6","2","3","1") = "5"
    & skf21("4","2","6","6","6","2","4","1") = "5"
    & skf21("4","2","6","6","6","2","5","1") = "5"
    & skf21("4","2","6","6","6","2","6","1") = "5"
    & skf21("4","2","6","6","6","2","7","1") = "6"
    & skf21("4","2","6","6","6","3","1","1") = "5"
    & skf21("4","2","6","6","6","3","2","1") = "5"
    & skf21("4","2","6","6","6","3","3","1") = "5"
    & skf21("4","2","6","6","6","3","4","1") = "5"
    & skf21("4","2","6","6","6","3","5","1") = "5"
    & skf21("4","2","6","6","6","3","6","1") = "5"
    & skf21("4","2","6","6","6","3","7","1") = "6"
    & skf21("4","2","6","6","6","4","1","1") = "5"
    & skf21("4","2","6","6","6","4","2","1") = "5"
    & skf21("4","2","6","6","6","4","3","1") = "5"
    & skf21("4","2","6","6","6","4","4","1") = "5"
    & skf21("4","2","6","6","6","4","5","1") = "5"
    & skf21("4","2","6","6","6","4","6","1") = "5"
    & skf21("4","2","6","6","6","4","7","1") = "6"
    & skf21("4","2","6","6","6","5","1","1") = "5"
    & skf21("4","2","6","6","6","5","2","1") = "5"
    & skf21("4","2","6","6","6","5","3","1") = "5"
    & skf21("4","2","6","6","6","5","4","1") = "5"
    & skf21("4","2","6","6","6","5","5","1") = "5"
    & skf21("4","2","6","6","6","5","6","1") = "5"
    & skf21("4","2","6","6","6","5","7","1") = "6"
    & skf21("4","2","6","6","6","6","1","1") = "5"
    & skf21("4","2","6","6","6","6","2","1") = "5"
    & skf21("4","2","6","6","6","6","3","1") = "5"
    & skf21("4","2","6","6","6","6","4","1") = "5"
    & skf21("4","2","6","6","6","6","5","1") = "5"
    & skf21("4","2","6","6","6","6","6","1") = "5"
    & skf21("4","2","6","6","6","6","7","1") = "6"
    & skf21("4","2","6","6","6","7","1","1") = "6"
    & skf21("4","2","6","6","6","7","2","1") = "6"
    & skf21("4","2","6","6","6","7","3","1") = "6"
    & skf21("4","2","6","6","6","7","4","1") = "6"
    & skf21("4","2","6","6","6","7","5","1") = "6"
    & skf21("4","2","6","6","6","7","6","1") = "6"
    & skf21("4","2","6","6","6","7","7","1") = "6"
    & skf21("4","2","6","6","7","1","1","1") = "6"
    & skf21("4","2","6","6","7","1","2","1") = "6"
    & skf21("4","2","6","6","7","1","3","1") = "6"
    & skf21("4","2","6","6","7","1","4","1") = "6"
    & skf21("4","2","6","6","7","1","5","1") = "6"
    & skf21("4","2","6","6","7","1","6","1") = "6"
    & skf21("4","2","6","6","7","1","7","1") = "6"
    & skf21("4","2","6","6","7","2","1","1") = "6"
    & skf21("4","2","6","6","7","2","2","1") = "6"
    & skf21("4","2","6","6","7","2","3","1") = "6"
    & skf21("4","2","6","6","7","2","4","1") = "6"
    & skf21("4","2","6","6","7","2","5","1") = "6"
    & skf21("4","2","6","6","7","2","6","1") = "6"
    & skf21("4","2","6","6","7","2","7","1") = "6"
    & skf21("4","2","6","6","7","3","1","1") = "6"
    & skf21("4","2","6","6","7","3","2","1") = "6"
    & skf21("4","2","6","6","7","3","3","1") = "6"
    & skf21("4","2","6","6","7","3","4","1") = "6"
    & skf21("4","2","6","6","7","3","5","1") = "6"
    & skf21("4","2","6","6","7","3","6","1") = "6"
    & skf21("4","2","6","6","7","3","7","1") = "6"
    & skf21("4","2","6","6","7","4","1","1") = "6"
    & skf21("4","2","6","6","7","4","2","1") = "6"
    & skf21("4","2","6","6","7","4","3","1") = "6"
    & skf21("4","2","6","6","7","4","4","1") = "6"
    & skf21("4","2","6","6","7","4","5","1") = "6"
    & skf21("4","2","6","6","7","4","6","1") = "6"
    & skf21("4","2","6","6","7","4","7","1") = "6"
    & skf21("4","2","6","6","7","5","1","1") = "6"
    & skf21("4","2","6","6","7","5","2","1") = "6"
    & skf21("4","2","6","6","7","5","3","1") = "6"
    & skf21("4","2","6","6","7","5","4","1") = "6"
    & skf21("4","2","6","6","7","5","5","1") = "6"
    & skf21("4","2","6","6","7","5","6","1") = "6"
    & skf21("4","2","6","6","7","5","7","1") = "6"
    & skf21("4","2","6","6","7","6","1","1") = "6"
    & skf21("4","2","6","6","7","6","2","1") = "6"
    & skf21("4","2","6","6","7","6","3","1") = "6"
    & skf21("4","2","6","6","7","6","4","1") = "6"
    & skf21("4","2","6","6","7","6","5","1") = "6"
    & skf21("4","2","6","6","7","6","6","1") = "6"
    & skf21("4","2","6","6","7","6","7","1") = "6"
    & skf21("4","2","6","6","7","7","1","1") = "6"
    & skf21("4","2","6","6","7","7","2","1") = "6"
    & skf21("4","2","6","6","7","7","3","1") = "6"
    & skf21("4","2","6","6","7","7","4","1") = "6"
    & skf21("4","2","6","6","7","7","5","1") = "6"
    & skf21("4","2","6","6","7","7","6","1") = "6"
    & skf21("4","2","6","6","7","7","7","1") = "6"
    & skf21("4","2","6","7","1","1","1","1") = "6"
    & skf21("4","2","6","7","1","1","2","1") = "6"
    & skf21("4","2","6","7","1","1","3","1") = "6"
    & skf21("4","2","6","7","1","1","4","1") = "6"
    & skf21("4","2","6","7","1","1","5","1") = "6"
    & skf21("4","2","6","7","1","1","6","1") = "6"
    & skf21("4","2","6","7","1","1","7","1") = "6"
    & skf21("4","2","6","7","1","2","1","1") = "6"
    & skf21("4","2","6","7","1","2","2","1") = "6"
    & skf21("4","2","6","7","1","2","3","1") = "6"
    & skf21("4","2","6","7","1","2","4","1") = "6"
    & skf21("4","2","6","7","1","2","5","1") = "6"
    & skf21("4","2","6","7","1","2","6","1") = "6"
    & skf21("4","2","6","7","1","2","7","1") = "6"
    & skf21("4","2","6","7","1","3","1","1") = "6"
    & skf21("4","2","6","7","1","3","2","1") = "6"
    & skf21("4","2","6","7","1","3","3","1") = "6"
    & skf21("4","2","6","7","1","3","4","1") = "6"
    & skf21("4","2","6","7","1","3","5","1") = "6"
    & skf21("4","2","6","7","1","3","6","1") = "6"
    & skf21("4","2","6","7","1","3","7","1") = "6"
    & skf21("4","2","6","7","1","4","1","1") = "6"
    & skf21("4","2","6","7","1","4","2","1") = "6"
    & skf21("4","2","6","7","1","4","3","1") = "6"
    & skf21("4","2","6","7","1","4","4","1") = "6"
    & skf21("4","2","6","7","1","4","5","1") = "6"
    & skf21("4","2","6","7","1","4","6","1") = "6"
    & skf21("4","2","6","7","1","4","7","1") = "6"
    & skf21("4","2","6","7","1","5","1","1") = "6"
    & skf21("4","2","6","7","1","5","2","1") = "6"
    & skf21("4","2","6","7","1","5","3","1") = "6"
    & skf21("4","2","6","7","1","5","4","1") = "6"
    & skf21("4","2","6","7","1","5","5","1") = "6"
    & skf21("4","2","6","7","1","5","6","1") = "6"
    & skf21("4","2","6","7","1","5","7","1") = "6"
    & skf21("4","2","6","7","1","6","1","1") = "6"
    & skf21("4","2","6","7","1","6","2","1") = "6"
    & skf21("4","2","6","7","1","6","3","1") = "6"
    & skf21("4","2","6","7","1","6","4","1") = "6"
    & skf21("4","2","6","7","1","6","5","1") = "6"
    & skf21("4","2","6","7","1","6","6","1") = "6"
    & skf21("4","2","6","7","1","6","7","1") = "6"
    & skf21("4","2","6","7","1","7","1","1") = "6"
    & skf21("4","2","6","7","1","7","2","1") = "6"
    & skf21("4","2","6","7","1","7","3","1") = "6"
    & skf21("4","2","6","7","1","7","4","1") = "6"
    & skf21("4","2","6","7","1","7","5","1") = "6"
    & skf21("4","2","6","7","1","7","6","1") = "6"
    & skf21("4","2","6","7","1","7","7","1") = "6"
    & skf21("4","2","6","7","2","1","1","1") = "6"
    & skf21("4","2","6","7","2","1","2","1") = "6"
    & skf21("4","2","6","7","2","1","3","1") = "6"
    & skf21("4","2","6","7","2","1","4","1") = "6"
    & skf21("4","2","6","7","2","1","5","1") = "6"
    & skf21("4","2","6","7","2","1","6","1") = "6"
    & skf21("4","2","6","7","2","1","7","1") = "6"
    & skf21("4","2","6","7","2","2","1","1") = "6"
    & skf21("4","2","6","7","2","2","2","1") = "6"
    & skf21("4","2","6","7","2","2","3","1") = "6"
    & skf21("4","2","6","7","2","2","4","1") = "6"
    & skf21("4","2","6","7","2","2","5","1") = "6"
    & skf21("4","2","6","7","2","2","6","1") = "6"
    & skf21("4","2","6","7","2","2","7","1") = "6"
    & skf21("4","2","6","7","2","3","1","1") = "6"
    & skf21("4","2","6","7","2","3","2","1") = "6"
    & skf21("4","2","6","7","2","3","3","1") = "6"
    & skf21("4","2","6","7","2","3","4","1") = "6"
    & skf21("4","2","6","7","2","3","5","1") = "6"
    & skf21("4","2","6","7","2","3","6","1") = "6"
    & skf21("4","2","6","7","2","3","7","1") = "6"
    & skf21("4","2","6","7","2","4","1","1") = "6"
    & skf21("4","2","6","7","2","4","2","1") = "6"
    & skf21("4","2","6","7","2","4","3","1") = "6"
    & skf21("4","2","6","7","2","4","4","1") = "6"
    & skf21("4","2","6","7","2","4","5","1") = "6"
    & skf21("4","2","6","7","2","4","6","1") = "6"
    & skf21("4","2","6","7","2","4","7","1") = "6"
    & skf21("4","2","6","7","2","5","1","1") = "6"
    & skf21("4","2","6","7","2","5","2","1") = "6"
    & skf21("4","2","6","7","2","5","3","1") = "6"
    & skf21("4","2","6","7","2","5","4","1") = "6"
    & skf21("4","2","6","7","2","5","5","1") = "6"
    & skf21("4","2","6","7","2","5","6","1") = "6"
    & skf21("4","2","6","7","2","5","7","1") = "6"
    & skf21("4","2","6","7","2","6","1","1") = "6"
    & skf21("4","2","6","7","2","6","2","1") = "6"
    & skf21("4","2","6","7","2","6","3","1") = "6"
    & skf21("4","2","6","7","2","6","4","1") = "6"
    & skf21("4","2","6","7","2","6","5","1") = "6"
    & skf21("4","2","6","7","2","6","6","1") = "6"
    & skf21("4","2","6","7","2","6","7","1") = "6"
    & skf21("4","2","6","7","2","7","1","1") = "6"
    & skf21("4","2","6","7","2","7","2","1") = "6"
    & skf21("4","2","6","7","2","7","3","1") = "6"
    & skf21("4","2","6","7","2","7","4","1") = "6"
    & skf21("4","2","6","7","2","7","5","1") = "6"
    & skf21("4","2","6","7","2","7","6","1") = "6"
    & skf21("4","2","6","7","2","7","7","1") = "6"
    & skf21("4","2","6","7","3","1","1","1") = "6"
    & skf21("4","2","6","7","3","1","2","1") = "6"
    & skf21("4","2","6","7","3","1","3","1") = "6"
    & skf21("4","2","6","7","3","1","4","1") = "6"
    & skf21("4","2","6","7","3","1","5","1") = "6"
    & skf21("4","2","6","7","3","1","6","1") = "6"
    & skf21("4","2","6","7","3","1","7","1") = "6"
    & skf21("4","2","6","7","3","2","1","1") = "6"
    & skf21("4","2","6","7","3","2","2","1") = "6"
    & skf21("4","2","6","7","3","2","3","1") = "6"
    & skf21("4","2","6","7","3","2","4","1") = "6"
    & skf21("4","2","6","7","3","2","5","1") = "6"
    & skf21("4","2","6","7","3","2","6","1") = "6"
    & skf21("4","2","6","7","3","2","7","1") = "6"
    & skf21("4","2","6","7","3","3","1","1") = "6"
    & skf21("4","2","6","7","3","3","2","1") = "6"
    & skf21("4","2","6","7","3","3","3","1") = "6"
    & skf21("4","2","6","7","3","3","4","1") = "6"
    & skf21("4","2","6","7","3","3","5","1") = "6"
    & skf21("4","2","6","7","3","3","6","1") = "6"
    & skf21("4","2","6","7","3","3","7","1") = "6"
    & skf21("4","2","6","7","3","4","1","1") = "6"
    & skf21("4","2","6","7","3","4","2","1") = "6"
    & skf21("4","2","6","7","3","4","3","1") = "6"
    & skf21("4","2","6","7","3","4","4","1") = "6"
    & skf21("4","2","6","7","3","4","5","1") = "6"
    & skf21("4","2","6","7","3","4","6","1") = "6"
    & skf21("4","2","6","7","3","4","7","1") = "6"
    & skf21("4","2","6","7","3","5","1","1") = "6"
    & skf21("4","2","6","7","3","5","2","1") = "6"
    & skf21("4","2","6","7","3","5","3","1") = "6"
    & skf21("4","2","6","7","3","5","4","1") = "6"
    & skf21("4","2","6","7","3","5","5","1") = "6"
    & skf21("4","2","6","7","3","5","6","1") = "6"
    & skf21("4","2","6","7","3","5","7","1") = "6"
    & skf21("4","2","6","7","3","6","1","1") = "6"
    & skf21("4","2","6","7","3","6","2","1") = "6"
    & skf21("4","2","6","7","3","6","3","1") = "6"
    & skf21("4","2","6","7","3","6","4","1") = "6"
    & skf21("4","2","6","7","3","6","5","1") = "6"
    & skf21("4","2","6","7","3","6","6","1") = "6"
    & skf21("4","2","6","7","3","6","7","1") = "6"
    & skf21("4","2","6","7","3","7","1","1") = "6"
    & skf21("4","2","6","7","3","7","2","1") = "6"
    & skf21("4","2","6","7","3","7","3","1") = "6"
    & skf21("4","2","6","7","3","7","4","1") = "6"
    & skf21("4","2","6","7","3","7","5","1") = "6"
    & skf21("4","2","6","7","3","7","6","1") = "6"
    & skf21("4","2","6","7","3","7","7","1") = "6"
    & skf21("4","2","6","7","4","1","1","1") = "6"
    & skf21("4","2","6","7","4","1","2","1") = "6"
    & skf21("4","2","6","7","4","1","3","1") = "6"
    & skf21("4","2","6","7","4","1","4","1") = "6"
    & skf21("4","2","6","7","4","1","5","1") = "6"
    & skf21("4","2","6","7","4","1","6","1") = "6"
    & skf21("4","2","6","7","4","1","7","1") = "6"
    & skf21("4","2","6","7","4","2","1","1") = "6"
    & skf21("4","2","6","7","4","2","2","1") = "6"
    & skf21("4","2","6","7","4","2","3","1") = "6"
    & skf21("4","2","6","7","4","2","4","1") = "6"
    & skf21("4","2","6","7","4","2","5","1") = "6"
    & skf21("4","2","6","7","4","2","6","1") = "6"
    & skf21("4","2","6","7","4","2","7","1") = "6"
    & skf21("4","2","6","7","4","3","1","1") = "6"
    & skf21("4","2","6","7","4","3","2","1") = "6"
    & skf21("4","2","6","7","4","3","3","1") = "6"
    & skf21("4","2","6","7","4","3","4","1") = "6"
    & skf21("4","2","6","7","4","3","5","1") = "6"
    & skf21("4","2","6","7","4","3","6","1") = "6"
    & skf21("4","2","6","7","4","3","7","1") = "6"
    & skf21("4","2","6","7","4","4","1","1") = "6"
    & skf21("4","2","6","7","4","4","2","1") = "6"
    & skf21("4","2","6","7","4","4","3","1") = "6"
    & skf21("4","2","6","7","4","4","4","1") = "6"
    & skf21("4","2","6","7","4","4","5","1") = "6"
    & skf21("4","2","6","7","4","4","6","1") = "6"
    & skf21("4","2","6","7","4","4","7","1") = "6"
    & skf21("4","2","6","7","4","5","1","1") = "6"
    & skf21("4","2","6","7","4","5","2","1") = "6"
    & skf21("4","2","6","7","4","5","3","1") = "6"
    & skf21("4","2","6","7","4","5","4","1") = "6"
    & skf21("4","2","6","7","4","5","5","1") = "6"
    & skf21("4","2","6","7","4","5","6","1") = "6"
    & skf21("4","2","6","7","4","5","7","1") = "6"
    & skf21("4","2","6","7","4","6","1","1") = "6"
    & skf21("4","2","6","7","4","6","2","1") = "6"
    & skf21("4","2","6","7","4","6","3","1") = "6"
    & skf21("4","2","6","7","4","6","4","1") = "6"
    & skf21("4","2","6","7","4","6","5","1") = "6"
    & skf21("4","2","6","7","4","6","6","1") = "6"
    & skf21("4","2","6","7","4","6","7","1") = "6"
    & skf21("4","2","6","7","4","7","1","1") = "6"
    & skf21("4","2","6","7","4","7","2","1") = "6"
    & skf21("4","2","6","7","4","7","3","1") = "6"
    & skf21("4","2","6","7","4","7","4","1") = "6"
    & skf21("4","2","6","7","4","7","5","1") = "6"
    & skf21("4","2","6","7","4","7","6","1") = "6"
    & skf21("4","2","6","7","4","7","7","1") = "6"
    & skf21("4","2","6","7","5","1","1","1") = "6"
    & skf21("4","2","6","7","5","1","2","1") = "6"
    & skf21("4","2","6","7","5","1","3","1") = "6"
    & skf21("4","2","6","7","5","1","4","1") = "6"
    & skf21("4","2","6","7","5","1","5","1") = "6"
    & skf21("4","2","6","7","5","1","6","1") = "6"
    & skf21("4","2","6","7","5","1","7","1") = "6"
    & skf21("4","2","6","7","5","2","1","1") = "6"
    & skf21("4","2","6","7","5","2","2","1") = "6"
    & skf21("4","2","6","7","5","2","3","1") = "6"
    & skf21("4","2","6","7","5","2","4","1") = "6"
    & skf21("4","2","6","7","5","2","5","1") = "6"
    & skf21("4","2","6","7","5","2","6","1") = "6"
    & skf21("4","2","6","7","5","2","7","1") = "6"
    & skf21("4","2","6","7","5","3","1","1") = "6"
    & skf21("4","2","6","7","5","3","2","1") = "6"
    & skf21("4","2","6","7","5","3","3","1") = "6"
    & skf21("4","2","6","7","5","3","4","1") = "6"
    & skf21("4","2","6","7","5","3","5","1") = "6"
    & skf21("4","2","6","7","5","3","6","1") = "6"
    & skf21("4","2","6","7","5","3","7","1") = "6"
    & skf21("4","2","6","7","5","4","1","1") = "6"
    & skf21("4","2","6","7","5","4","2","1") = "6"
    & skf21("4","2","6","7","5","4","3","1") = "6"
    & skf21("4","2","6","7","5","4","4","1") = "6"
    & skf21("4","2","6","7","5","4","5","1") = "6"
    & skf21("4","2","6","7","5","4","6","1") = "6"
    & skf21("4","2","6","7","5","4","7","1") = "6"
    & skf21("4","2","6","7","5","5","1","1") = "6"
    & skf21("4","2","6","7","5","5","2","1") = "6"
    & skf21("4","2","6","7","5","5","3","1") = "6"
    & skf21("4","2","6","7","5","5","4","1") = "6"
    & skf21("4","2","6","7","5","5","5","1") = "6"
    & skf21("4","2","6","7","5","5","6","1") = "6"
    & skf21("4","2","6","7","5","5","7","1") = "6"
    & skf21("4","2","6","7","5","6","1","1") = "6"
    & skf21("4","2","6","7","5","6","2","1") = "6"
    & skf21("4","2","6","7","5","6","3","1") = "6"
    & skf21("4","2","6","7","5","6","4","1") = "6"
    & skf21("4","2","6","7","5","6","5","1") = "6"
    & skf21("4","2","6","7","5","6","6","1") = "6"
    & skf21("4","2","6","7","5","6","7","1") = "6"
    & skf21("4","2","6","7","5","7","1","1") = "6"
    & skf21("4","2","6","7","5","7","2","1") = "6"
    & skf21("4","2","6","7","5","7","3","1") = "6"
    & skf21("4","2","6","7","5","7","4","1") = "6"
    & skf21("4","2","6","7","5","7","5","1") = "6"
    & skf21("4","2","6","7","5","7","6","1") = "6"
    & skf21("4","2","6","7","5","7","7","1") = "6"
    & skf21("4","2","6","7","6","1","1","1") = "6"
    & skf21("4","2","6","7","6","1","2","1") = "6"
    & skf21("4","2","6","7","6","1","3","1") = "6"
    & skf21("4","2","6","7","6","1","4","1") = "6"
    & skf21("4","2","6","7","6","1","5","1") = "6"
    & skf21("4","2","6","7","6","1","6","1") = "6"
    & skf21("4","2","6","7","6","1","7","1") = "6"
    & skf21("4","2","6","7","6","2","1","1") = "6"
    & skf21("4","2","6","7","6","2","2","1") = "6"
    & skf21("4","2","6","7","6","2","3","1") = "6"
    & skf21("4","2","6","7","6","2","4","1") = "6"
    & skf21("4","2","6","7","6","2","5","1") = "6"
    & skf21("4","2","6","7","6","2","6","1") = "6"
    & skf21("4","2","6","7","6","2","7","1") = "6"
    & skf21("4","2","6","7","6","3","1","1") = "6"
    & skf21("4","2","6","7","6","3","2","1") = "6"
    & skf21("4","2","6","7","6","3","3","1") = "6"
    & skf21("4","2","6","7","6","3","4","1") = "6"
    & skf21("4","2","6","7","6","3","5","1") = "6"
    & skf21("4","2","6","7","6","3","6","1") = "6"
    & skf21("4","2","6","7","6","3","7","1") = "6"
    & skf21("4","2","6","7","6","4","1","1") = "6"
    & skf21("4","2","6","7","6","4","2","1") = "6"
    & skf21("4","2","6","7","6","4","3","1") = "6"
    & skf21("4","2","6","7","6","4","4","1") = "6"
    & skf21("4","2","6","7","6","4","5","1") = "6"
    & skf21("4","2","6","7","6","4","6","1") = "6"
    & skf21("4","2","6","7","6","4","7","1") = "6"
    & skf21("4","2","6","7","6","5","1","1") = "6"
    & skf21("4","2","6","7","6","5","2","1") = "6"
    & skf21("4","2","6","7","6","5","3","1") = "6"
    & skf21("4","2","6","7","6","5","4","1") = "6"
    & skf21("4","2","6","7","6","5","5","1") = "6"
    & skf21("4","2","6","7","6","5","6","1") = "6"
    & skf21("4","2","6","7","6","5","7","1") = "6"
    & skf21("4","2","6","7","6","6","1","1") = "6"
    & skf21("4","2","6","7","6","6","2","1") = "6"
    & skf21("4","2","6","7","6","6","3","1") = "6"
    & skf21("4","2","6","7","6","6","4","1") = "6"
    & skf21("4","2","6","7","6","6","5","1") = "6"
    & skf21("4","2","6","7","6","6","6","1") = "6"
    & skf21("4","2","6","7","6","6","7","1") = "6"
    & skf21("4","2","6","7","6","7","1","1") = "6"
    & skf21("4","2","6","7","6","7","2","1") = "6"
    & skf21("4","2","6","7","6","7","3","1") = "6"
    & skf21("4","2","6","7","6","7","4","1") = "6"
    & skf21("4","2","6","7","6","7","5","1") = "6"
    & skf21("4","2","6","7","6","7","6","1") = "6"
    & skf21("4","2","6","7","6","7","7","1") = "6"
    & skf21("4","2","6","7","7","1","1","1") = "6"
    & skf21("4","2","6","7","7","1","2","1") = "6"
    & skf21("4","2","6","7","7","1","3","1") = "6"
    & skf21("4","2","6","7","7","1","4","1") = "6"
    & skf21("4","2","6","7","7","1","5","1") = "6"
    & skf21("4","2","6","7","7","1","6","1") = "6"
    & skf21("4","2","6","7","7","1","7","1") = "6"
    & skf21("4","2","6","7","7","2","1","1") = "6"
    & skf21("4","2","6","7","7","2","2","1") = "6"
    & skf21("4","2","6","7","7","2","3","1") = "6"
    & skf21("4","2","6","7","7","2","4","1") = "6"
    & skf21("4","2","6","7","7","2","5","1") = "6"
    & skf21("4","2","6","7","7","2","6","1") = "6"
    & skf21("4","2","6","7","7","2","7","1") = "6"
    & skf21("4","2","6","7","7","3","1","1") = "6"
    & skf21("4","2","6","7","7","3","2","1") = "6"
    & skf21("4","2","6","7","7","3","3","1") = "6"
    & skf21("4","2","6","7","7","3","4","1") = "6"
    & skf21("4","2","6","7","7","3","5","1") = "6"
    & skf21("4","2","6","7","7","3","6","1") = "6"
    & skf21("4","2","6","7","7","3","7","1") = "6"
    & skf21("4","2","6","7","7","4","1","1") = "6"
    & skf21("4","2","6","7","7","4","2","1") = "6"
    & skf21("4","2","6","7","7","4","3","1") = "6"
    & skf21("4","2","6","7","7","4","4","1") = "6"
    & skf21("4","2","6","7","7","4","5","1") = "6"
    & skf21("4","2","6","7","7","4","6","1") = "6"
    & skf21("4","2","6","7","7","4","7","1") = "6"
    & skf21("4","2","6","7","7","5","1","1") = "6"
    & skf21("4","2","6","7","7","5","2","1") = "6"
    & skf21("4","2","6","7","7","5","3","1") = "6"
    & skf21("4","2","6","7","7","5","4","1") = "6"
    & skf21("4","2","6","7","7","5","5","1") = "6"
    & skf21("4","2","6","7","7","5","6","1") = "6"
    & skf21("4","2","6","7","7","5","7","1") = "6"
    & skf21("4","2","6","7","7","6","1","1") = "6"
    & skf21("4","2","6","7","7","6","2","1") = "6"
    & skf21("4","2","6","7","7","6","3","1") = "6"
    & skf21("4","2","6","7","7","6","4","1") = "6"
    & skf21("4","2","6","7","7","6","5","1") = "6"
    & skf21("4","2","6","7","7","6","6","1") = "6"
    & skf21("4","2","6","7","7","6","7","1") = "6"
    & skf21("4","2","6","7","7","7","1","1") = "6"
    & skf21("4","2","6","7","7","7","2","1") = "6"
    & skf21("4","2","6","7","7","7","3","1") = "6"
    & skf21("4","2","6","7","7","7","4","1") = "6"
    & skf21("4","2","6","7","7","7","5","1") = "6"
    & skf21("4","2","6","7","7","7","6","1") = "6"
    & skf21("4","2","6","7","7","7","7","1") = "6"
    & skf21("4","2","7","1","1","1","1","1") = "6"
    & skf21("4","2","7","1","1","1","2","1") = "6"
    & skf21("4","2","7","1","1","1","3","1") = "6"
    & skf21("4","2","7","1","1","1","4","1") = "6"
    & skf21("4","2","7","1","1","1","5","1") = "6"
    & skf21("4","2","7","1","1","1","6","1") = "6"
    & skf21("4","2","7","1","1","1","7","1") = "6"
    & skf21("4","2","7","1","1","2","1","1") = "6"
    & skf21("4","2","7","1","1","2","2","1") = "6"
    & skf21("4","2","7","1","1","2","3","1") = "6"
    & skf21("4","2","7","1","1","2","4","1") = "6"
    & skf21("4","2","7","1","1","2","5","1") = "6"
    & skf21("4","2","7","1","1","2","6","1") = "6"
    & skf21("4","2","7","1","1","2","7","1") = "6"
    & skf21("4","2","7","1","1","3","1","1") = "6"
    & skf21("4","2","7","1","1","3","2","1") = "6"
    & skf21("4","2","7","1","1","3","3","1") = "6"
    & skf21("4","2","7","1","1","3","4","1") = "6"
    & skf21("4","2","7","1","1","3","5","1") = "6"
    & skf21("4","2","7","1","1","3","6","1") = "6"
    & skf21("4","2","7","1","1","3","7","1") = "6"
    & skf21("4","2","7","1","1","4","1","1") = "6"
    & skf21("4","2","7","1","1","4","2","1") = "6"
    & skf21("4","2","7","1","1","4","3","1") = "6"
    & skf21("4","2","7","1","1","4","4","1") = "6"
    & skf21("4","2","7","1","1","4","5","1") = "6"
    & skf21("4","2","7","1","1","4","6","1") = "6"
    & skf21("4","2","7","1","1","4","7","1") = "6"
    & skf21("4","2","7","1","1","5","1","1") = "6"
    & skf21("4","2","7","1","1","5","2","1") = "6"
    & skf21("4","2","7","1","1","5","3","1") = "6"
    & skf21("4","2","7","1","1","5","4","1") = "6"
    & skf21("4","2","7","1","1","5","5","1") = "6"
    & skf21("4","2","7","1","1","5","6","1") = "6"
    & skf21("4","2","7","1","1","5","7","1") = "6"
    & skf21("4","2","7","1","1","6","1","1") = "6"
    & skf21("4","2","7","1","1","6","2","1") = "6"
    & skf21("4","2","7","1","1","6","3","1") = "6"
    & skf21("4","2","7","1","1","6","4","1") = "6"
    & skf21("4","2","7","1","1","6","5","1") = "6"
    & skf21("4","2","7","1","1","6","6","1") = "6"
    & skf21("4","2","7","1","1","6","7","1") = "6"
    & skf21("4","2","7","1","1","7","1","1") = "6"
    & skf21("4","2","7","1","1","7","2","1") = "6"
    & skf21("4","2","7","1","1","7","3","1") = "6"
    & skf21("4","2","7","1","1","7","4","1") = "6"
    & skf21("4","2","7","1","1","7","5","1") = "6"
    & skf21("4","2","7","1","1","7","6","1") = "6"
    & skf21("4","2","7","1","1","7","7","1") = "6"
    & skf21("4","2","7","1","2","1","1","1") = "6"
    & skf21("4","2","7","1","2","1","2","1") = "6"
    & skf21("4","2","7","1","2","1","3","1") = "6"
    & skf21("4","2","7","1","2","1","4","1") = "6"
    & skf21("4","2","7","1","2","1","5","1") = "6"
    & skf21("4","2","7","1","2","1","6","1") = "6"
    & skf21("4","2","7","1","2","1","7","1") = "6"
    & skf21("4","2","7","1","2","2","1","1") = "6"
    & skf21("4","2","7","1","2","2","2","1") = "6"
    & skf21("4","2","7","1","2","2","3","1") = "6"
    & skf21("4","2","7","1","2","2","4","1") = "6"
    & skf21("4","2","7","1","2","2","5","1") = "6"
    & skf21("4","2","7","1","2","2","6","1") = "6"
    & skf21("4","2","7","1","2","2","7","1") = "6"
    & skf21("4","2","7","1","2","3","1","1") = "6"
    & skf21("4","2","7","1","2","3","2","1") = "6"
    & skf21("4","2","7","1","2","3","3","1") = "6"
    & skf21("4","2","7","1","2","3","4","1") = "6"
    & skf21("4","2","7","1","2","3","5","1") = "6"
    & skf21("4","2","7","1","2","3","6","1") = "6"
    & skf21("4","2","7","1","2","3","7","1") = "6"
    & skf21("4","2","7","1","2","4","1","1") = "6"
    & skf21("4","2","7","1","2","4","2","1") = "6"
    & skf21("4","2","7","1","2","4","3","1") = "6"
    & skf21("4","2","7","1","2","4","4","1") = "6"
    & skf21("4","2","7","1","2","4","5","1") = "6"
    & skf21("4","2","7","1","2","4","6","1") = "6"
    & skf21("4","2","7","1","2","4","7","1") = "6"
    & skf21("4","2","7","1","2","5","1","1") = "6"
    & skf21("4","2","7","1","2","5","2","1") = "6"
    & skf21("4","2","7","1","2","5","3","1") = "6"
    & skf21("4","2","7","1","2","5","4","1") = "6"
    & skf21("4","2","7","1","2","5","5","1") = "6"
    & skf21("4","2","7","1","2","5","6","1") = "6"
    & skf21("4","2","7","1","2","5","7","1") = "6"
    & skf21("4","2","7","1","2","6","1","1") = "6"
    & skf21("4","2","7","1","2","6","2","1") = "6"
    & skf21("4","2","7","1","2","6","3","1") = "6"
    & skf21("4","2","7","1","2","6","4","1") = "6"
    & skf21("4","2","7","1","2","6","5","1") = "6"
    & skf21("4","2","7","1","2","6","6","1") = "6"
    & skf21("4","2","7","1","2","6","7","1") = "6"
    & skf21("4","2","7","1","2","7","1","1") = "6"
    & skf21("4","2","7","1","2","7","2","1") = "6"
    & skf21("4","2","7","1","2","7","3","1") = "6"
    & skf21("4","2","7","1","2","7","4","1") = "6"
    & skf21("4","2","7","1","2","7","5","1") = "6"
    & skf21("4","2","7","1","2","7","6","1") = "6"
    & skf21("4","2","7","1","2","7","7","1") = "6"
    & skf21("4","2","7","1","3","1","1","1") = "6"
    & skf21("4","2","7","1","3","1","2","1") = "6"
    & skf21("4","2","7","1","3","1","3","1") = "6"
    & skf21("4","2","7","1","3","1","4","1") = "6"
    & skf21("4","2","7","1","3","1","5","1") = "6"
    & skf21("4","2","7","1","3","1","6","1") = "6"
    & skf21("4","2","7","1","3","1","7","1") = "6"
    & skf21("4","2","7","1","3","2","1","1") = "6"
    & skf21("4","2","7","1","3","2","2","1") = "6"
    & skf21("4","2","7","1","3","2","3","1") = "6"
    & skf21("4","2","7","1","3","2","4","1") = "6"
    & skf21("4","2","7","1","3","2","5","1") = "6"
    & skf21("4","2","7","1","3","2","6","1") = "6"
    & skf21("4","2","7","1","3","2","7","1") = "6"
    & skf21("4","2","7","1","3","3","1","1") = "6"
    & skf21("4","2","7","1","3","3","2","1") = "6"
    & skf21("4","2","7","1","3","3","3","1") = "6"
    & skf21("4","2","7","1","3","3","4","1") = "6"
    & skf21("4","2","7","1","3","3","5","1") = "6"
    & skf21("4","2","7","1","3","3","6","1") = "6"
    & skf21("4","2","7","1","3","3","7","1") = "6"
    & skf21("4","2","7","1","3","4","1","1") = "6"
    & skf21("4","2","7","1","3","4","2","1") = "6"
    & skf21("4","2","7","1","3","4","3","1") = "6"
    & skf21("4","2","7","1","3","4","4","1") = "6"
    & skf21("4","2","7","1","3","4","5","1") = "6"
    & skf21("4","2","7","1","3","4","6","1") = "6"
    & skf21("4","2","7","1","3","4","7","1") = "6"
    & skf21("4","2","7","1","3","5","1","1") = "6"
    & skf21("4","2","7","1","3","5","2","1") = "6"
    & skf21("4","2","7","1","3","5","3","1") = "6"
    & skf21("4","2","7","1","3","5","4","1") = "6"
    & skf21("4","2","7","1","3","5","5","1") = "6"
    & skf21("4","2","7","1","3","5","6","1") = "6"
    & skf21("4","2","7","1","3","5","7","1") = "6"
    & skf21("4","2","7","1","3","6","1","1") = "6"
    & skf21("4","2","7","1","3","6","2","1") = "6"
    & skf21("4","2","7","1","3","6","3","1") = "6"
    & skf21("4","2","7","1","3","6","4","1") = "6"
    & skf21("4","2","7","1","3","6","5","1") = "6"
    & skf21("4","2","7","1","3","6","6","1") = "6"
    & skf21("4","2","7","1","3","6","7","1") = "6"
    & skf21("4","2","7","1","3","7","1","1") = "6"
    & skf21("4","2","7","1","3","7","2","1") = "6"
    & skf21("4","2","7","1","3","7","3","1") = "6"
    & skf21("4","2","7","1","3","7","4","1") = "6"
    & skf21("4","2","7","1","3","7","5","1") = "6"
    & skf21("4","2","7","1","3","7","6","1") = "6"
    & skf21("4","2","7","1","3","7","7","1") = "6"
    & skf21("4","2","7","1","4","1","1","1") = "6"
    & skf21("4","2","7","1","4","1","2","1") = "6"
    & skf21("4","2","7","1","4","1","3","1") = "6"
    & skf21("4","2","7","1","4","1","4","1") = "6"
    & skf21("4","2","7","1","4","1","5","1") = "6"
    & skf21("4","2","7","1","4","1","6","1") = "6"
    & skf21("4","2","7","1","4","1","7","1") = "6"
    & skf21("4","2","7","1","4","2","1","1") = "6"
    & skf21("4","2","7","1","4","2","2","1") = "6"
    & skf21("4","2","7","1","4","2","3","1") = "6"
    & skf21("4","2","7","1","4","2","4","1") = "6"
    & skf21("4","2","7","1","4","2","5","1") = "6"
    & skf21("4","2","7","1","4","2","6","1") = "6"
    & skf21("4","2","7","1","4","2","7","1") = "6"
    & skf21("4","2","7","1","4","3","1","1") = "6"
    & skf21("4","2","7","1","4","3","2","1") = "6"
    & skf21("4","2","7","1","4","3","3","1") = "6"
    & skf21("4","2","7","1","4","3","4","1") = "6"
    & skf21("4","2","7","1","4","3","5","1") = "6"
    & skf21("4","2","7","1","4","3","6","1") = "6"
    & skf21("4","2","7","1","4","3","7","1") = "6"
    & skf21("4","2","7","1","4","4","1","1") = "6"
    & skf21("4","2","7","1","4","4","2","1") = "6"
    & skf21("4","2","7","1","4","4","3","1") = "6"
    & skf21("4","2","7","1","4","4","4","1") = "6"
    & skf21("4","2","7","1","4","4","5","1") = "6"
    & skf21("4","2","7","1","4","4","6","1") = "6"
    & skf21("4","2","7","1","4","4","7","1") = "6"
    & skf21("4","2","7","1","4","5","1","1") = "6"
    & skf21("4","2","7","1","4","5","2","1") = "6"
    & skf21("4","2","7","1","4","5","3","1") = "6"
    & skf21("4","2","7","1","4","5","4","1") = "6"
    & skf21("4","2","7","1","4","5","5","1") = "6"
    & skf21("4","2","7","1","4","5","6","1") = "6"
    & skf21("4","2","7","1","4","5","7","1") = "6"
    & skf21("4","2","7","1","4","6","1","1") = "6"
    & skf21("4","2","7","1","4","6","2","1") = "6"
    & skf21("4","2","7","1","4","6","3","1") = "6"
    & skf21("4","2","7","1","4","6","4","1") = "6"
    & skf21("4","2","7","1","4","6","5","1") = "6"
    & skf21("4","2","7","1","4","6","6","1") = "6"
    & skf21("4","2","7","1","4","6","7","1") = "6"
    & skf21("4","2","7","1","4","7","1","1") = "6"
    & skf21("4","2","7","1","4","7","2","1") = "6"
    & skf21("4","2","7","1","4","7","3","1") = "6"
    & skf21("4","2","7","1","4","7","4","1") = "6"
    & skf21("4","2","7","1","4","7","5","1") = "6"
    & skf21("4","2","7","1","4","7","6","1") = "6"
    & skf21("4","2","7","1","4","7","7","1") = "6"
    & skf21("4","2","7","1","5","1","1","1") = "6"
    & skf21("4","2","7","1","5","1","2","1") = "6"
    & skf21("4","2","7","1","5","1","3","1") = "6"
    & skf21("4","2","7","1","5","1","4","1") = "6"
    & skf21("4","2","7","1","5","1","5","1") = "6"
    & skf21("4","2","7","1","5","1","6","1") = "6"
    & skf21("4","2","7","1","5","1","7","1") = "6"
    & skf21("4","2","7","1","5","2","1","1") = "6"
    & skf21("4","2","7","1","5","2","2","1") = "6"
    & skf21("4","2","7","1","5","2","3","1") = "6"
    & skf21("4","2","7","1","5","2","4","1") = "6"
    & skf21("4","2","7","1","5","2","5","1") = "6"
    & skf21("4","2","7","1","5","2","6","1") = "6"
    & skf21("4","2","7","1","5","2","7","1") = "6"
    & skf21("4","2","7","1","5","3","1","1") = "6"
    & skf21("4","2","7","1","5","3","2","1") = "6"
    & skf21("4","2","7","1","5","3","3","1") = "6"
    & skf21("4","2","7","1","5","3","4","1") = "6"
    & skf21("4","2","7","1","5","3","5","1") = "6"
    & skf21("4","2","7","1","5","3","6","1") = "6"
    & skf21("4","2","7","1","5","3","7","1") = "6"
    & skf21("4","2","7","1","5","4","1","1") = "6"
    & skf21("4","2","7","1","5","4","2","1") = "6"
    & skf21("4","2","7","1","5","4","3","1") = "6"
    & skf21("4","2","7","1","5","4","4","1") = "6"
    & skf21("4","2","7","1","5","4","5","1") = "6"
    & skf21("4","2","7","1","5","4","6","1") = "6"
    & skf21("4","2","7","1","5","4","7","1") = "6"
    & skf21("4","2","7","1","5","5","1","1") = "6"
    & skf21("4","2","7","1","5","5","2","1") = "6"
    & skf21("4","2","7","1","5","5","3","1") = "6"
    & skf21("4","2","7","1","5","5","4","1") = "6"
    & skf21("4","2","7","1","5","5","5","1") = "6"
    & skf21("4","2","7","1","5","5","6","1") = "6"
    & skf21("4","2","7","1","5","5","7","1") = "6"
    & skf21("4","2","7","1","5","6","1","1") = "6"
    & skf21("4","2","7","1","5","6","2","1") = "6"
    & skf21("4","2","7","1","5","6","3","1") = "6"
    & skf21("4","2","7","1","5","6","4","1") = "6"
    & skf21("4","2","7","1","5","6","5","1") = "6"
    & skf21("4","2","7","1","5","6","6","1") = "6"
    & skf21("4","2","7","1","5","6","7","1") = "6"
    & skf21("4","2","7","1","5","7","1","1") = "6"
    & skf21("4","2","7","1","5","7","2","1") = "6"
    & skf21("4","2","7","1","5","7","3","1") = "6"
    & skf21("4","2","7","1","5","7","4","1") = "6"
    & skf21("4","2","7","1","5","7","5","1") = "6"
    & skf21("4","2","7","1","5","7","6","1") = "6"
    & skf21("4","2","7","1","5","7","7","1") = "6"
    & skf21("4","2","7","1","6","1","1","1") = "6"
    & skf21("4","2","7","1","6","1","2","1") = "6"
    & skf21("4","2","7","1","6","1","3","1") = "6"
    & skf21("4","2","7","1","6","1","4","1") = "6"
    & skf21("4","2","7","1","6","1","5","1") = "6"
    & skf21("4","2","7","1","6","1","6","1") = "6"
    & skf21("4","2","7","1","6","1","7","1") = "6"
    & skf21("4","2","7","1","6","2","1","1") = "6"
    & skf21("4","2","7","1","6","2","2","1") = "6"
    & skf21("4","2","7","1","6","2","3","1") = "6"
    & skf21("4","2","7","1","6","2","4","1") = "6"
    & skf21("4","2","7","1","6","2","5","1") = "6"
    & skf21("4","2","7","1","6","2","6","1") = "6"
    & skf21("4","2","7","1","6","2","7","1") = "6"
    & skf21("4","2","7","1","6","3","1","1") = "6"
    & skf21("4","2","7","1","6","3","2","1") = "6"
    & skf21("4","2","7","1","6","3","3","1") = "6"
    & skf21("4","2","7","1","6","3","4","1") = "6"
    & skf21("4","2","7","1","6","3","5","1") = "6"
    & skf21("4","2","7","1","6","3","6","1") = "6"
    & skf21("4","2","7","1","6","3","7","1") = "6"
    & skf21("4","2","7","1","6","4","1","1") = "6"
    & skf21("4","2","7","1","6","4","2","1") = "6"
    & skf21("4","2","7","1","6","4","3","1") = "6"
    & skf21("4","2","7","1","6","4","4","1") = "6"
    & skf21("4","2","7","1","6","4","5","1") = "6"
    & skf21("4","2","7","1","6","4","6","1") = "6"
    & skf21("4","2","7","1","6","4","7","1") = "6"
    & skf21("4","2","7","1","6","5","1","1") = "6"
    & skf21("4","2","7","1","6","5","2","1") = "6"
    & skf21("4","2","7","1","6","5","3","1") = "6"
    & skf21("4","2","7","1","6","5","4","1") = "6"
    & skf21("4","2","7","1","6","5","5","1") = "6"
    & skf21("4","2","7","1","6","5","6","1") = "6"
    & skf21("4","2","7","1","6","5","7","1") = "6"
    & skf21("4","2","7","1","6","6","1","1") = "6"
    & skf21("4","2","7","1","6","6","2","1") = "6"
    & skf21("4","2","7","1","6","6","3","1") = "6"
    & skf21("4","2","7","1","6","6","4","1") = "6"
    & skf21("4","2","7","1","6","6","5","1") = "6"
    & skf21("4","2","7","1","6","6","6","1") = "6"
    & skf21("4","2","7","1","6","6","7","1") = "6"
    & skf21("4","2","7","1","6","7","1","1") = "6"
    & skf21("4","2","7","1","6","7","2","1") = "6"
    & skf21("4","2","7","1","6","7","3","1") = "6"
    & skf21("4","2","7","1","6","7","4","1") = "6"
    & skf21("4","2","7","1","6","7","5","1") = "6"
    & skf21("4","2","7","1","6","7","6","1") = "6"
    & skf21("4","2","7","1","6","7","7","1") = "6"
    & skf21("4","2","7","1","7","1","1","1") = "6"
    & skf21("4","2","7","1","7","1","2","1") = "6"
    & skf21("4","2","7","1","7","1","3","1") = "6"
    & skf21("4","2","7","1","7","1","4","1") = "6"
    & skf21("4","2","7","1","7","1","5","1") = "6"
    & skf21("4","2","7","1","7","1","6","1") = "6"
    & skf21("4","2","7","1","7","1","7","1") = "6"
    & skf21("4","2","7","1","7","2","1","1") = "6"
    & skf21("4","2","7","1","7","2","2","1") = "6"
    & skf21("4","2","7","1","7","2","3","1") = "6"
    & skf21("4","2","7","1","7","2","4","1") = "6"
    & skf21("4","2","7","1","7","2","5","1") = "6"
    & skf21("4","2","7","1","7","2","6","1") = "6"
    & skf21("4","2","7","1","7","2","7","1") = "6"
    & skf21("4","2","7","1","7","3","1","1") = "6"
    & skf21("4","2","7","1","7","3","2","1") = "6"
    & skf21("4","2","7","1","7","3","3","1") = "6"
    & skf21("4","2","7","1","7","3","4","1") = "6"
    & skf21("4","2","7","1","7","3","5","1") = "6"
    & skf21("4","2","7","1","7","3","6","1") = "6"
    & skf21("4","2","7","1","7","3","7","1") = "6"
    & skf21("4","2","7","1","7","4","1","1") = "6"
    & skf21("4","2","7","1","7","4","2","1") = "6"
    & skf21("4","2","7","1","7","4","3","1") = "6"
    & skf21("4","2","7","1","7","4","4","1") = "6"
    & skf21("4","2","7","1","7","4","5","1") = "6"
    & skf21("4","2","7","1","7","4","6","1") = "6"
    & skf21("4","2","7","1","7","4","7","1") = "6"
    & skf21("4","2","7","1","7","5","1","1") = "6"
    & skf21("4","2","7","1","7","5","2","1") = "6"
    & skf21("4","2","7","1","7","5","3","1") = "6"
    & skf21("4","2","7","1","7","5","4","1") = "6"
    & skf21("4","2","7","1","7","5","5","1") = "6"
    & skf21("4","2","7","1","7","5","6","1") = "6"
    & skf21("4","2","7","1","7","5","7","1") = "6"
    & skf21("4","2","7","1","7","6","1","1") = "6"
    & skf21("4","2","7","1","7","6","2","1") = "6"
    & skf21("4","2","7","1","7","6","3","1") = "6"
    & skf21("4","2","7","1","7","6","4","1") = "6"
    & skf21("4","2","7","1","7","6","5","1") = "6"
    & skf21("4","2","7","1","7","6","6","1") = "6"
    & skf21("4","2","7","1","7","6","7","1") = "6"
    & skf21("4","2","7","1","7","7","1","1") = "6"
    & skf21("4","2","7","1","7","7","2","1") = "6"
    & skf21("4","2","7","1","7","7","3","1") = "6"
    & skf21("4","2","7","1","7","7","4","1") = "6"
    & skf21("4","2","7","1","7","7","5","1") = "6"
    & skf21("4","2","7","1","7","7","6","1") = "6"
    & skf21("4","2","7","1","7","7","7","1") = "6"
    & skf21("4","2","7","2","1","1","1","1") = "6"
    & skf21("4","2","7","2","1","1","2","1") = "6"
    & skf21("4","2","7","2","1","1","3","1") = "6"
    & skf21("4","2","7","2","1","1","4","1") = "6"
    & skf21("4","2","7","2","1","1","5","1") = "6"
    & skf21("4","2","7","2","1","1","6","1") = "6"
    & skf21("4","2","7","2","1","1","7","1") = "6"
    & skf21("4","2","7","2","1","2","1","1") = "6"
    & skf21("4","2","7","2","1","2","2","1") = "6"
    & skf21("4","2","7","2","1","2","3","1") = "6"
    & skf21("4","2","7","2","1","2","4","1") = "6"
    & skf21("4","2","7","2","1","2","5","1") = "6"
    & skf21("4","2","7","2","1","2","6","1") = "6"
    & skf21("4","2","7","2","1","2","7","1") = "6"
    & skf21("4","2","7","2","1","3","1","1") = "6"
    & skf21("4","2","7","2","1","3","2","1") = "6"
    & skf21("4","2","7","2","1","3","3","1") = "6"
    & skf21("4","2","7","2","1","3","4","1") = "6"
    & skf21("4","2","7","2","1","3","5","1") = "6"
    & skf21("4","2","7","2","1","3","6","1") = "6"
    & skf21("4","2","7","2","1","3","7","1") = "6"
    & skf21("4","2","7","2","1","4","1","1") = "6"
    & skf21("4","2","7","2","1","4","2","1") = "6"
    & skf21("4","2","7","2","1","4","3","1") = "6"
    & skf21("4","2","7","2","1","4","4","1") = "6"
    & skf21("4","2","7","2","1","4","5","1") = "6"
    & skf21("4","2","7","2","1","4","6","1") = "6"
    & skf21("4","2","7","2","1","4","7","1") = "6"
    & skf21("4","2","7","2","1","5","1","1") = "6"
    & skf21("4","2","7","2","1","5","2","1") = "6"
    & skf21("4","2","7","2","1","5","3","1") = "6"
    & skf21("4","2","7","2","1","5","4","1") = "6"
    & skf21("4","2","7","2","1","5","5","1") = "6"
    & skf21("4","2","7","2","1","5","6","1") = "6"
    & skf21("4","2","7","2","1","5","7","1") = "6"
    & skf21("4","2","7","2","1","6","1","1") = "6"
    & skf21("4","2","7","2","1","6","2","1") = "6"
    & skf21("4","2","7","2","1","6","3","1") = "6"
    & skf21("4","2","7","2","1","6","4","1") = "6"
    & skf21("4","2","7","2","1","6","5","1") = "6"
    & skf21("4","2","7","2","1","6","6","1") = "6"
    & skf21("4","2","7","2","1","6","7","1") = "6"
    & skf21("4","2","7","2","1","7","1","1") = "6"
    & skf21("4","2","7","2","1","7","2","1") = "6"
    & skf21("4","2","7","2","1","7","3","1") = "6"
    & skf21("4","2","7","2","1","7","4","1") = "6"
    & skf21("4","2","7","2","1","7","5","1") = "6"
    & skf21("4","2","7","2","1","7","6","1") = "6"
    & skf21("4","2","7","2","1","7","7","1") = "6"
    & skf21("4","2","7","2","2","1","1","1") = "6"
    & skf21("4","2","7","2","2","1","2","1") = "6"
    & skf21("4","2","7","2","2","1","3","1") = "6"
    & skf21("4","2","7","2","2","1","4","1") = "6"
    & skf21("4","2","7","2","2","1","5","1") = "6"
    & skf21("4","2","7","2","2","1","6","1") = "6"
    & skf21("4","2","7","2","2","1","7","1") = "6"
    & skf21("4","2","7","2","2","2","1","1") = "6"
    & skf21("4","2","7","2","2","2","2","1") = "6"
    & skf21("4","2","7","2","2","2","3","1") = "6"
    & skf21("4","2","7","2","2","2","4","1") = "6"
    & skf21("4","2","7","2","2","2","5","1") = "6"
    & skf21("4","2","7","2","2","2","6","1") = "6"
    & skf21("4","2","7","2","2","2","7","1") = "6"
    & skf21("4","2","7","2","2","3","1","1") = "6"
    & skf21("4","2","7","2","2","3","2","1") = "6"
    & skf21("4","2","7","2","2","3","3","1") = "6"
    & skf21("4","2","7","2","2","3","4","1") = "6"
    & skf21("4","2","7","2","2","3","5","1") = "6"
    & skf21("4","2","7","2","2","3","6","1") = "6"
    & skf21("4","2","7","2","2","3","7","1") = "6"
    & skf21("4","2","7","2","2","4","1","1") = "6"
    & skf21("4","2","7","2","2","4","2","1") = "6"
    & skf21("4","2","7","2","2","4","3","1") = "6"
    & skf21("4","2","7","2","2","4","4","1") = "6"
    & skf21("4","2","7","2","2","4","5","1") = "6"
    & skf21("4","2","7","2","2","4","6","1") = "6"
    & skf21("4","2","7","2","2","4","7","1") = "6"
    & skf21("4","2","7","2","2","5","1","1") = "6"
    & skf21("4","2","7","2","2","5","2","1") = "6"
    & skf21("4","2","7","2","2","5","3","1") = "6"
    & skf21("4","2","7","2","2","5","4","1") = "6"
    & skf21("4","2","7","2","2","5","5","1") = "6"
    & skf21("4","2","7","2","2","5","6","1") = "6"
    & skf21("4","2","7","2","2","5","7","1") = "6"
    & skf21("4","2","7","2","2","6","1","1") = "6"
    & skf21("4","2","7","2","2","6","2","1") = "6"
    & skf21("4","2","7","2","2","6","3","1") = "6"
    & skf21("4","2","7","2","2","6","4","1") = "6"
    & skf21("4","2","7","2","2","6","5","1") = "6"
    & skf21("4","2","7","2","2","6","6","1") = "6"
    & skf21("4","2","7","2","2","6","7","1") = "6"
    & skf21("4","2","7","2","2","7","1","1") = "6"
    & skf21("4","2","7","2","2","7","2","1") = "6"
    & skf21("4","2","7","2","2","7","3","1") = "6"
    & skf21("4","2","7","2","2","7","4","1") = "6"
    & skf21("4","2","7","2","2","7","5","1") = "6"
    & skf21("4","2","7","2","2","7","6","1") = "6"
    & skf21("4","2","7","2","2","7","7","1") = "6"
    & skf21("4","2","7","2","3","1","1","1") = "6"
    & skf21("4","2","7","2","3","1","2","1") = "6"
    & skf21("4","2","7","2","3","1","3","1") = "6"
    & skf21("4","2","7","2","3","1","4","1") = "6"
    & skf21("4","2","7","2","3","1","5","1") = "6"
    & skf21("4","2","7","2","3","1","6","1") = "6"
    & skf21("4","2","7","2","3","1","7","1") = "6"
    & skf21("4","2","7","2","3","2","1","1") = "6"
    & skf21("4","2","7","2","3","2","2","1") = "6"
    & skf21("4","2","7","2","3","2","3","1") = "6"
    & skf21("4","2","7","2","3","2","4","1") = "6"
    & skf21("4","2","7","2","3","2","5","1") = "6"
    & skf21("4","2","7","2","3","2","6","1") = "6"
    & skf21("4","2","7","2","3","2","7","1") = "6"
    & skf21("4","2","7","2","3","3","1","1") = "6"
    & skf21("4","2","7","2","3","3","2","1") = "6"
    & skf21("4","2","7","2","3","3","3","1") = "6"
    & skf21("4","2","7","2","3","3","4","1") = "6"
    & skf21("4","2","7","2","3","3","5","1") = "6"
    & skf21("4","2","7","2","3","3","6","1") = "6"
    & skf21("4","2","7","2","3","3","7","1") = "6"
    & skf21("4","2","7","2","3","4","1","1") = "6"
    & skf21("4","2","7","2","3","4","2","1") = "6"
    & skf21("4","2","7","2","3","4","3","1") = "6"
    & skf21("4","2","7","2","3","4","4","1") = "6"
    & skf21("4","2","7","2","3","4","5","1") = "6"
    & skf21("4","2","7","2","3","4","6","1") = "6"
    & skf21("4","2","7","2","3","4","7","1") = "6"
    & skf21("4","2","7","2","3","5","1","1") = "6"
    & skf21("4","2","7","2","3","5","2","1") = "6"
    & skf21("4","2","7","2","3","5","3","1") = "6"
    & skf21("4","2","7","2","3","5","4","1") = "6"
    & skf21("4","2","7","2","3","5","5","1") = "6"
    & skf21("4","2","7","2","3","5","6","1") = "6"
    & skf21("4","2","7","2","3","5","7","1") = "6"
    & skf21("4","2","7","2","3","6","1","1") = "6"
    & skf21("4","2","7","2","3","6","2","1") = "6"
    & skf21("4","2","7","2","3","6","3","1") = "6"
    & skf21("4","2","7","2","3","6","4","1") = "6"
    & skf21("4","2","7","2","3","6","5","1") = "6"
    & skf21("4","2","7","2","3","6","6","1") = "6"
    & skf21("4","2","7","2","3","6","7","1") = "6"
    & skf21("4","2","7","2","3","7","1","1") = "6"
    & skf21("4","2","7","2","3","7","2","1") = "6"
    & skf21("4","2","7","2","3","7","3","1") = "6"
    & skf21("4","2","7","2","3","7","4","1") = "6"
    & skf21("4","2","7","2","3","7","5","1") = "6"
    & skf21("4","2","7","2","3","7","6","1") = "6"
    & skf21("4","2","7","2","3","7","7","1") = "6"
    & skf21("4","2","7","2","4","1","1","1") = "6"
    & skf21("4","2","7","2","4","1","2","1") = "6"
    & skf21("4","2","7","2","4","1","3","1") = "6"
    & skf21("4","2","7","2","4","1","4","1") = "6"
    & skf21("4","2","7","2","4","1","5","1") = "6"
    & skf21("4","2","7","2","4","1","6","1") = "6"
    & skf21("4","2","7","2","4","1","7","1") = "6"
    & skf21("4","2","7","2","4","2","1","1") = "6"
    & skf21("4","2","7","2","4","2","2","1") = "6"
    & skf21("4","2","7","2","4","2","3","1") = "6"
    & skf21("4","2","7","2","4","2","4","1") = "6"
    & skf21("4","2","7","2","4","2","5","1") = "6"
    & skf21("4","2","7","2","4","2","6","1") = "6"
    & skf21("4","2","7","2","4","2","7","1") = "6"
    & skf21("4","2","7","2","4","3","1","1") = "6"
    & skf21("4","2","7","2","4","3","2","1") = "6"
    & skf21("4","2","7","2","4","3","3","1") = "6"
    & skf21("4","2","7","2","4","3","4","1") = "6"
    & skf21("4","2","7","2","4","3","5","1") = "6"
    & skf21("4","2","7","2","4","3","6","1") = "6"
    & skf21("4","2","7","2","4","3","7","1") = "6"
    & skf21("4","2","7","2","4","4","1","1") = "6"
    & skf21("4","2","7","2","4","4","2","1") = "6"
    & skf21("4","2","7","2","4","4","3","1") = "6"
    & skf21("4","2","7","2","4","4","4","1") = "6"
    & skf21("4","2","7","2","4","4","5","1") = "6"
    & skf21("4","2","7","2","4","4","6","1") = "6"
    & skf21("4","2","7","2","4","4","7","1") = "6"
    & skf21("4","2","7","2","4","5","1","1") = "6"
    & skf21("4","2","7","2","4","5","2","1") = "6"
    & skf21("4","2","7","2","4","5","3","1") = "6"
    & skf21("4","2","7","2","4","5","4","1") = "6"
    & skf21("4","2","7","2","4","5","5","1") = "6"
    & skf21("4","2","7","2","4","5","6","1") = "6"
    & skf21("4","2","7","2","4","5","7","1") = "6"
    & skf21("4","2","7","2","4","6","1","1") = "6"
    & skf21("4","2","7","2","4","6","2","1") = "6"
    & skf21("4","2","7","2","4","6","3","1") = "6"
    & skf21("4","2","7","2","4","6","4","1") = "6"
    & skf21("4","2","7","2","4","6","5","1") = "6"
    & skf21("4","2","7","2","4","6","6","1") = "6"
    & skf21("4","2","7","2","4","6","7","1") = "6"
    & skf21("4","2","7","2","4","7","1","1") = "6"
    & skf21("4","2","7","2","4","7","2","1") = "6"
    & skf21("4","2","7","2","4","7","3","1") = "6"
    & skf21("4","2","7","2","4","7","4","1") = "6"
    & skf21("4","2","7","2","4","7","5","1") = "6"
    & skf21("4","2","7","2","4","7","6","1") = "6"
    & skf21("4","2","7","2","4","7","7","1") = "6"
    & skf21("4","2","7","2","5","1","1","1") = "6"
    & skf21("4","2","7","2","5","1","2","1") = "6"
    & skf21("4","2","7","2","5","1","3","1") = "6"
    & skf21("4","2","7","2","5","1","4","1") = "6"
    & skf21("4","2","7","2","5","1","5","1") = "6"
    & skf21("4","2","7","2","5","1","6","1") = "6"
    & skf21("4","2","7","2","5","1","7","1") = "6"
    & skf21("4","2","7","2","5","2","1","1") = "6"
    & skf21("4","2","7","2","5","2","2","1") = "6"
    & skf21("4","2","7","2","5","2","3","1") = "6"
    & skf21("4","2","7","2","5","2","4","1") = "6"
    & skf21("4","2","7","2","5","2","5","1") = "6"
    & skf21("4","2","7","2","5","2","6","1") = "6"
    & skf21("4","2","7","2","5","2","7","1") = "6"
    & skf21("4","2","7","2","5","3","1","1") = "6"
    & skf21("4","2","7","2","5","3","2","1") = "6"
    & skf21("4","2","7","2","5","3","3","1") = "6"
    & skf21("4","2","7","2","5","3","4","1") = "6"
    & skf21("4","2","7","2","5","3","5","1") = "6"
    & skf21("4","2","7","2","5","3","6","1") = "6"
    & skf21("4","2","7","2","5","3","7","1") = "6"
    & skf21("4","2","7","2","5","4","1","1") = "6"
    & skf21("4","2","7","2","5","4","2","1") = "6"
    & skf21("4","2","7","2","5","4","3","1") = "6"
    & skf21("4","2","7","2","5","4","4","1") = "6"
    & skf21("4","2","7","2","5","4","5","1") = "6"
    & skf21("4","2","7","2","5","4","6","1") = "6"
    & skf21("4","2","7","2","5","4","7","1") = "6"
    & skf21("4","2","7","2","5","5","1","1") = "6"
    & skf21("4","2","7","2","5","5","2","1") = "6"
    & skf21("4","2","7","2","5","5","3","1") = "6"
    & skf21("4","2","7","2","5","5","4","1") = "6"
    & skf21("4","2","7","2","5","5","5","1") = "6"
    & skf21("4","2","7","2","5","5","6","1") = "6"
    & skf21("4","2","7","2","5","5","7","1") = "6"
    & skf21("4","2","7","2","5","6","1","1") = "6"
    & skf21("4","2","7","2","5","6","2","1") = "6"
    & skf21("4","2","7","2","5","6","3","1") = "6"
    & skf21("4","2","7","2","5","6","4","1") = "6"
    & skf21("4","2","7","2","5","6","5","1") = "6"
    & skf21("4","2","7","2","5","6","6","1") = "6"
    & skf21("4","2","7","2","5","6","7","1") = "6"
    & skf21("4","2","7","2","5","7","1","1") = "6"
    & skf21("4","2","7","2","5","7","2","1") = "6"
    & skf21("4","2","7","2","5","7","3","1") = "6"
    & skf21("4","2","7","2","5","7","4","1") = "6"
    & skf21("4","2","7","2","5","7","5","1") = "6"
    & skf21("4","2","7","2","5","7","6","1") = "6"
    & skf21("4","2","7","2","5","7","7","1") = "6"
    & skf21("4","2","7","2","6","1","1","1") = "6"
    & skf21("4","2","7","2","6","1","2","1") = "6"
    & skf21("4","2","7","2","6","1","3","1") = "6"
    & skf21("4","2","7","2","6","1","4","1") = "6"
    & skf21("4","2","7","2","6","1","5","1") = "6"
    & skf21("4","2","7","2","6","1","6","1") = "6"
    & skf21("4","2","7","2","6","1","7","1") = "6"
    & skf21("4","2","7","2","6","2","1","1") = "6"
    & skf21("4","2","7","2","6","2","2","1") = "6"
    & skf21("4","2","7","2","6","2","3","1") = "6"
    & skf21("4","2","7","2","6","2","4","1") = "6"
    & skf21("4","2","7","2","6","2","5","1") = "6"
    & skf21("4","2","7","2","6","2","6","1") = "6"
    & skf21("4","2","7","2","6","2","7","1") = "6"
    & skf21("4","2","7","2","6","3","1","1") = "6"
    & skf21("4","2","7","2","6","3","2","1") = "6"
    & skf21("4","2","7","2","6","3","3","1") = "6"
    & skf21("4","2","7","2","6","3","4","1") = "6"
    & skf21("4","2","7","2","6","3","5","1") = "6"
    & skf21("4","2","7","2","6","3","6","1") = "6"
    & skf21("4","2","7","2","6","3","7","1") = "6"
    & skf21("4","2","7","2","6","4","1","1") = "6"
    & skf21("4","2","7","2","6","4","2","1") = "6"
    & skf21("4","2","7","2","6","4","3","1") = "6"
    & skf21("4","2","7","2","6","4","4","1") = "6"
    & skf21("4","2","7","2","6","4","5","1") = "6"
    & skf21("4","2","7","2","6","4","6","1") = "6"
    & skf21("4","2","7","2","6","4","7","1") = "6"
    & skf21("4","2","7","2","6","5","1","1") = "6"
    & skf21("4","2","7","2","6","5","2","1") = "6"
    & skf21("4","2","7","2","6","5","3","1") = "6"
    & skf21("4","2","7","2","6","5","4","1") = "6"
    & skf21("4","2","7","2","6","5","5","1") = "6"
    & skf21("4","2","7","2","6","5","6","1") = "6"
    & skf21("4","2","7","2","6","5","7","1") = "6"
    & skf21("4","2","7","2","6","6","1","1") = "6"
    & skf21("4","2","7","2","6","6","2","1") = "6"
    & skf21("4","2","7","2","6","6","3","1") = "6"
    & skf21("4","2","7","2","6","6","4","1") = "6"
    & skf21("4","2","7","2","6","6","5","1") = "6"
    & skf21("4","2","7","2","6","6","6","1") = "6"
    & skf21("4","2","7","2","6","6","7","1") = "6"
    & skf21("4","2","7","2","6","7","1","1") = "6"
    & skf21("4","2","7","2","6","7","2","1") = "6"
    & skf21("4","2","7","2","6","7","3","1") = "6"
    & skf21("4","2","7","2","6","7","4","1") = "6"
    & skf21("4","2","7","2","6","7","5","1") = "6"
    & skf21("4","2","7","2","6","7","6","1") = "6"
    & skf21("4","2","7","2","6","7","7","1") = "6"
    & skf21("4","2","7","2","7","1","1","1") = "6"
    & skf21("4","2","7","2","7","1","2","1") = "6"
    & skf21("4","2","7","2","7","1","3","1") = "6"
    & skf21("4","2","7","2","7","1","4","1") = "6"
    & skf21("4","2","7","2","7","1","5","1") = "6"
    & skf21("4","2","7","2","7","1","6","1") = "6"
    & skf21("4","2","7","2","7","1","7","1") = "6"
    & skf21("4","2","7","2","7","2","1","1") = "6"
    & skf21("4","2","7","2","7","2","2","1") = "6"
    & skf21("4","2","7","2","7","2","3","1") = "6"
    & skf21("4","2","7","2","7","2","4","1") = "6"
    & skf21("4","2","7","2","7","2","5","1") = "6"
    & skf21("4","2","7","2","7","2","6","1") = "6"
    & skf21("4","2","7","2","7","2","7","1") = "6"
    & skf21("4","2","7","2","7","3","1","1") = "6"
    & skf21("4","2","7","2","7","3","2","1") = "6"
    & skf21("4","2","7","2","7","3","3","1") = "6"
    & skf21("4","2","7","2","7","3","4","1") = "6"
    & skf21("4","2","7","2","7","3","5","1") = "6"
    & skf21("4","2","7","2","7","3","6","1") = "6"
    & skf21("4","2","7","2","7","3","7","1") = "6"
    & skf21("4","2","7","2","7","4","1","1") = "6"
    & skf21("4","2","7","2","7","4","2","1") = "6"
    & skf21("4","2","7","2","7","4","3","1") = "6"
    & skf21("4","2","7","2","7","4","4","1") = "6"
    & skf21("4","2","7","2","7","4","5","1") = "6"
    & skf21("4","2","7","2","7","4","6","1") = "6"
    & skf21("4","2","7","2","7","4","7","1") = "6"
    & skf21("4","2","7","2","7","5","1","1") = "6"
    & skf21("4","2","7","2","7","5","2","1") = "6"
    & skf21("4","2","7","2","7","5","3","1") = "6"
    & skf21("4","2","7","2","7","5","4","1") = "6"
    & skf21("4","2","7","2","7","5","5","1") = "6"
    & skf21("4","2","7","2","7","5","6","1") = "6"
    & skf21("4","2","7","2","7","5","7","1") = "6"
    & skf21("4","2","7","2","7","6","1","1") = "6"
    & skf21("4","2","7","2","7","6","2","1") = "6"
    & skf21("4","2","7","2","7","6","3","1") = "6"
    & skf21("4","2","7","2","7","6","4","1") = "6"
    & skf21("4","2","7","2","7","6","5","1") = "6"
    & skf21("4","2","7","2","7","6","6","1") = "6"
    & skf21("4","2","7","2","7","6","7","1") = "6"
    & skf21("4","2","7","2","7","7","1","1") = "6"
    & skf21("4","2","7","2","7","7","2","1") = "6"
    & skf21("4","2","7","2","7","7","3","1") = "6"
    & skf21("4","2","7","2","7","7","4","1") = "6"
    & skf21("4","2","7","2","7","7","5","1") = "6"
    & skf21("4","2","7","2","7","7","6","1") = "6"
    & skf21("4","2","7","2","7","7","7","1") = "6"
    & skf21("4","2","7","3","1","1","1","1") = "6"
    & skf21("4","2","7","3","1","1","2","1") = "6"
    & skf21("4","2","7","3","1","1","3","1") = "6"
    & skf21("4","2","7","3","1","1","4","1") = "6"
    & skf21("4","2","7","3","1","1","5","1") = "6"
    & skf21("4","2","7","3","1","1","6","1") = "6"
    & skf21("4","2","7","3","1","1","7","1") = "6"
    & skf21("4","2","7","3","1","2","1","1") = "6"
    & skf21("4","2","7","3","1","2","2","1") = "6"
    & skf21("4","2","7","3","1","2","3","1") = "6"
    & skf21("4","2","7","3","1","2","4","1") = "6"
    & skf21("4","2","7","3","1","2","5","1") = "6"
    & skf21("4","2","7","3","1","2","6","1") = "6"
    & skf21("4","2","7","3","1","2","7","1") = "6"
    & skf21("4","2","7","3","1","3","1","1") = "6"
    & skf21("4","2","7","3","1","3","2","1") = "6"
    & skf21("4","2","7","3","1","3","3","1") = "6"
    & skf21("4","2","7","3","1","3","4","1") = "6"
    & skf21("4","2","7","3","1","3","5","1") = "6"
    & skf21("4","2","7","3","1","3","6","1") = "6"
    & skf21("4","2","7","3","1","3","7","1") = "6"
    & skf21("4","2","7","3","1","4","1","1") = "6"
    & skf21("4","2","7","3","1","4","2","1") = "6"
    & skf21("4","2","7","3","1","4","3","1") = "6"
    & skf21("4","2","7","3","1","4","4","1") = "6"
    & skf21("4","2","7","3","1","4","5","1") = "6"
    & skf21("4","2","7","3","1","4","6","1") = "6"
    & skf21("4","2","7","3","1","4","7","1") = "6"
    & skf21("4","2","7","3","1","5","1","1") = "6"
    & skf21("4","2","7","3","1","5","2","1") = "6"
    & skf21("4","2","7","3","1","5","3","1") = "6"
    & skf21("4","2","7","3","1","5","4","1") = "6"
    & skf21("4","2","7","3","1","5","5","1") = "6"
    & skf21("4","2","7","3","1","5","6","1") = "6"
    & skf21("4","2","7","3","1","5","7","1") = "6"
    & skf21("4","2","7","3","1","6","1","1") = "6"
    & skf21("4","2","7","3","1","6","2","1") = "6"
    & skf21("4","2","7","3","1","6","3","1") = "6"
    & skf21("4","2","7","3","1","6","4","1") = "6"
    & skf21("4","2","7","3","1","6","5","1") = "6"
    & skf21("4","2","7","3","1","6","6","1") = "6"
    & skf21("4","2","7","3","1","6","7","1") = "6"
    & skf21("4","2","7","3","1","7","1","1") = "6"
    & skf21("4","2","7","3","1","7","2","1") = "6"
    & skf21("4","2","7","3","1","7","3","1") = "6"
    & skf21("4","2","7","3","1","7","4","1") = "6"
    & skf21("4","2","7","3","1","7","5","1") = "6"
    & skf21("4","2","7","3","1","7","6","1") = "6"
    & skf21("4","2","7","3","1","7","7","1") = "6"
    & skf21("4","2","7","3","2","1","1","1") = "6"
    & skf21("4","2","7","3","2","1","2","1") = "6"
    & skf21("4","2","7","3","2","1","3","1") = "6"
    & skf21("4","2","7","3","2","1","4","1") = "6"
    & skf21("4","2","7","3","2","1","5","1") = "6"
    & skf21("4","2","7","3","2","1","6","1") = "6"
    & skf21("4","2","7","3","2","1","7","1") = "6"
    & skf21("4","2","7","3","2","2","1","1") = "6"
    & skf21("4","2","7","3","2","2","2","1") = "6"
    & skf21("4","2","7","3","2","2","3","1") = "6"
    & skf21("4","2","7","3","2","2","4","1") = "6"
    & skf21("4","2","7","3","2","2","5","1") = "6"
    & skf21("4","2","7","3","2","2","6","1") = "6"
    & skf21("4","2","7","3","2","2","7","1") = "6"
    & skf21("4","2","7","3","2","3","1","1") = "6"
    & skf21("4","2","7","3","2","3","2","1") = "6"
    & skf21("4","2","7","3","2","3","3","1") = "6"
    & skf21("4","2","7","3","2","3","4","1") = "6"
    & skf21("4","2","7","3","2","3","5","1") = "6"
    & skf21("4","2","7","3","2","3","6","1") = "6"
    & skf21("4","2","7","3","2","3","7","1") = "6"
    & skf21("4","2","7","3","2","4","1","1") = "6"
    & skf21("4","2","7","3","2","4","2","1") = "6"
    & skf21("4","2","7","3","2","4","3","1") = "6"
    & skf21("4","2","7","3","2","4","4","1") = "6"
    & skf21("4","2","7","3","2","4","5","1") = "6"
    & skf21("4","2","7","3","2","4","6","1") = "6"
    & skf21("4","2","7","3","2","4","7","1") = "6"
    & skf21("4","2","7","3","2","5","1","1") = "6"
    & skf21("4","2","7","3","2","5","2","1") = "6"
    & skf21("4","2","7","3","2","5","3","1") = "6"
    & skf21("4","2","7","3","2","5","4","1") = "6"
    & skf21("4","2","7","3","2","5","5","1") = "6"
    & skf21("4","2","7","3","2","5","6","1") = "6"
    & skf21("4","2","7","3","2","5","7","1") = "6"
    & skf21("4","2","7","3","2","6","1","1") = "6"
    & skf21("4","2","7","3","2","6","2","1") = "6"
    & skf21("4","2","7","3","2","6","3","1") = "6"
    & skf21("4","2","7","3","2","6","4","1") = "6"
    & skf21("4","2","7","3","2","6","5","1") = "6"
    & skf21("4","2","7","3","2","6","6","1") = "6"
    & skf21("4","2","7","3","2","6","7","1") = "6"
    & skf21("4","2","7","3","2","7","1","1") = "6"
    & skf21("4","2","7","3","2","7","2","1") = "6"
    & skf21("4","2","7","3","2","7","3","1") = "6"
    & skf21("4","2","7","3","2","7","4","1") = "6"
    & skf21("4","2","7","3","2","7","5","1") = "6"
    & skf21("4","2","7","3","2","7","6","1") = "6"
    & skf21("4","2","7","3","2","7","7","1") = "6"
    & skf21("4","2","7","3","3","1","1","1") = "6"
    & skf21("4","2","7","3","3","1","2","1") = "6"
    & skf21("4","2","7","3","3","1","3","1") = "6"
    & skf21("4","2","7","3","3","1","4","1") = "6"
    & skf21("4","2","7","3","3","1","5","1") = "6"
    & skf21("4","2","7","3","3","1","6","1") = "6"
    & skf21("4","2","7","3","3","1","7","1") = "6"
    & skf21("4","2","7","3","3","2","1","1") = "6"
    & skf21("4","2","7","3","3","2","2","1") = "6"
    & skf21("4","2","7","3","3","2","3","1") = "6"
    & skf21("4","2","7","3","3","2","4","1") = "6"
    & skf21("4","2","7","3","3","2","5","1") = "6"
    & skf21("4","2","7","3","3","2","6","1") = "6"
    & skf21("4","2","7","3","3","2","7","1") = "6"
    & skf21("4","2","7","3","3","3","1","1") = "6"
    & skf21("4","2","7","3","3","3","2","1") = "6"
    & skf21("4","2","7","3","3","3","3","1") = "6"
    & skf21("4","2","7","3","3","3","4","1") = "6"
    & skf21("4","2","7","3","3","3","5","1") = "6"
    & skf21("4","2","7","3","3","3","6","1") = "6"
    & skf21("4","2","7","3","3","3","7","1") = "6"
    & skf21("4","2","7","3","3","4","1","1") = "6"
    & skf21("4","2","7","3","3","4","2","1") = "6"
    & skf21("4","2","7","3","3","4","3","1") = "6"
    & skf21("4","2","7","3","3","4","4","1") = "6"
    & skf21("4","2","7","3","3","4","5","1") = "6"
    & skf21("4","2","7","3","3","4","6","1") = "6"
    & skf21("4","2","7","3","3","4","7","1") = "6"
    & skf21("4","2","7","3","3","5","1","1") = "6"
    & skf21("4","2","7","3","3","5","2","1") = "6"
    & skf21("4","2","7","3","3","5","3","1") = "6"
    & skf21("4","2","7","3","3","5","4","1") = "6"
    & skf21("4","2","7","3","3","5","5","1") = "6"
    & skf21("4","2","7","3","3","5","6","1") = "6"
    & skf21("4","2","7","3","3","5","7","1") = "6"
    & skf21("4","2","7","3","3","6","1","1") = "6"
    & skf21("4","2","7","3","3","6","2","1") = "6"
    & skf21("4","2","7","3","3","6","3","1") = "6"
    & skf21("4","2","7","3","3","6","4","1") = "6"
    & skf21("4","2","7","3","3","6","5","1") = "6"
    & skf21("4","2","7","3","3","6","6","1") = "6"
    & skf21("4","2","7","3","3","6","7","1") = "6"
    & skf21("4","2","7","3","3","7","1","1") = "6"
    & skf21("4","2","7","3","3","7","2","1") = "6"
    & skf21("4","2","7","3","3","7","3","1") = "6"
    & skf21("4","2","7","3","3","7","4","1") = "6"
    & skf21("4","2","7","3","3","7","5","1") = "6"
    & skf21("4","2","7","3","3","7","6","1") = "6"
    & skf21("4","2","7","3","3","7","7","1") = "6"
    & skf21("4","2","7","3","4","1","1","1") = "6"
    & skf21("4","2","7","3","4","1","2","1") = "6"
    & skf21("4","2","7","3","4","1","3","1") = "6"
    & skf21("4","2","7","3","4","1","4","1") = "6"
    & skf21("4","2","7","3","4","1","5","1") = "6"
    & skf21("4","2","7","3","4","1","6","1") = "6"
    & skf21("4","2","7","3","4","1","7","1") = "6"
    & skf21("4","2","7","3","4","2","1","1") = "6"
    & skf21("4","2","7","3","4","2","2","1") = "6"
    & skf21("4","2","7","3","4","2","3","1") = "6"
    & skf21("4","2","7","3","4","2","4","1") = "6"
    & skf21("4","2","7","3","4","2","5","1") = "6"
    & skf21("4","2","7","3","4","2","6","1") = "6"
    & skf21("4","2","7","3","4","2","7","1") = "6"
    & skf21("4","2","7","3","4","3","1","1") = "6"
    & skf21("4","2","7","3","4","3","2","1") = "6"
    & skf21("4","2","7","3","4","3","3","1") = "6"
    & skf21("4","2","7","3","4","3","4","1") = "6"
    & skf21("4","2","7","3","4","3","5","1") = "6"
    & skf21("4","2","7","3","4","3","6","1") = "6"
    & skf21("4","2","7","3","4","3","7","1") = "6"
    & skf21("4","2","7","3","4","4","1","1") = "6"
    & skf21("4","2","7","3","4","4","2","1") = "6"
    & skf21("4","2","7","3","4","4","3","1") = "6"
    & skf21("4","2","7","3","4","4","4","1") = "6"
    & skf21("4","2","7","3","4","4","5","1") = "6"
    & skf21("4","2","7","3","4","4","6","1") = "6"
    & skf21("4","2","7","3","4","4","7","1") = "6"
    & skf21("4","2","7","3","4","5","1","1") = "6"
    & skf21("4","2","7","3","4","5","2","1") = "6"
    & skf21("4","2","7","3","4","5","3","1") = "6"
    & skf21("4","2","7","3","4","5","4","1") = "6"
    & skf21("4","2","7","3","4","5","5","1") = "6"
    & skf21("4","2","7","3","4","5","6","1") = "6"
    & skf21("4","2","7","3","4","5","7","1") = "6"
    & skf21("4","2","7","3","4","6","1","1") = "6"
    & skf21("4","2","7","3","4","6","2","1") = "6"
    & skf21("4","2","7","3","4","6","3","1") = "6"
    & skf21("4","2","7","3","4","6","4","1") = "6"
    & skf21("4","2","7","3","4","6","5","1") = "6"
    & skf21("4","2","7","3","4","6","6","1") = "6"
    & skf21("4","2","7","3","4","6","7","1") = "6"
    & skf21("4","2","7","3","4","7","1","1") = "6"
    & skf21("4","2","7","3","4","7","2","1") = "6"
    & skf21("4","2","7","3","4","7","3","1") = "6"
    & skf21("4","2","7","3","4","7","4","1") = "6"
    & skf21("4","2","7","3","4","7","5","1") = "6"
    & skf21("4","2","7","3","4","7","6","1") = "6"
    & skf21("4","2","7","3","4","7","7","1") = "6"
    & skf21("4","2","7","3","5","1","1","1") = "6"
    & skf21("4","2","7","3","5","1","2","1") = "6"
    & skf21("4","2","7","3","5","1","3","1") = "6"
    & skf21("4","2","7","3","5","1","4","1") = "6"
    & skf21("4","2","7","3","5","1","5","1") = "6"
    & skf21("4","2","7","3","5","1","6","1") = "6"
    & skf21("4","2","7","3","5","1","7","1") = "6"
    & skf21("4","2","7","3","5","2","1","1") = "6"
    & skf21("4","2","7","3","5","2","2","1") = "6"
    & skf21("4","2","7","3","5","2","3","1") = "6"
    & skf21("4","2","7","3","5","2","4","1") = "6"
    & skf21("4","2","7","3","5","2","5","1") = "6"
    & skf21("4","2","7","3","5","2","6","1") = "6"
    & skf21("4","2","7","3","5","2","7","1") = "6"
    & skf21("4","2","7","3","5","3","1","1") = "6"
    & skf21("4","2","7","3","5","3","2","1") = "6"
    & skf21("4","2","7","3","5","3","3","1") = "6"
    & skf21("4","2","7","3","5","3","4","1") = "6"
    & skf21("4","2","7","3","5","3","5","1") = "6"
    & skf21("4","2","7","3","5","3","6","1") = "6"
    & skf21("4","2","7","3","5","3","7","1") = "6"
    & skf21("4","2","7","3","5","4","1","1") = "6"
    & skf21("4","2","7","3","5","4","2","1") = "6"
    & skf21("4","2","7","3","5","4","3","1") = "6"
    & skf21("4","2","7","3","5","4","4","1") = "6"
    & skf21("4","2","7","3","5","4","5","1") = "6"
    & skf21("4","2","7","3","5","4","6","1") = "6"
    & skf21("4","2","7","3","5","4","7","1") = "6"
    & skf21("4","2","7","3","5","5","1","1") = "6"
    & skf21("4","2","7","3","5","5","2","1") = "6"
    & skf21("4","2","7","3","5","5","3","1") = "6"
    & skf21("4","2","7","3","5","5","4","1") = "6"
    & skf21("4","2","7","3","5","5","5","1") = "6"
    & skf21("4","2","7","3","5","5","6","1") = "6"
    & skf21("4","2","7","3","5","5","7","1") = "6"
    & skf21("4","2","7","3","5","6","1","1") = "6"
    & skf21("4","2","7","3","5","6","2","1") = "6"
    & skf21("4","2","7","3","5","6","3","1") = "6"
    & skf21("4","2","7","3","5","6","4","1") = "6"
    & skf21("4","2","7","3","5","6","5","1") = "6"
    & skf21("4","2","7","3","5","6","6","1") = "6"
    & skf21("4","2","7","3","5","6","7","1") = "6"
    & skf21("4","2","7","3","5","7","1","1") = "6"
    & skf21("4","2","7","3","5","7","2","1") = "6"
    & skf21("4","2","7","3","5","7","3","1") = "6"
    & skf21("4","2","7","3","5","7","4","1") = "6"
    & skf21("4","2","7","3","5","7","5","1") = "6"
    & skf21("4","2","7","3","5","7","6","1") = "6"
    & skf21("4","2","7","3","5","7","7","1") = "6"
    & skf21("4","2","7","3","6","1","1","1") = "6"
    & skf21("4","2","7","3","6","1","2","1") = "6"
    & skf21("4","2","7","3","6","1","3","1") = "6"
    & skf21("4","2","7","3","6","1","4","1") = "6"
    & skf21("4","2","7","3","6","1","5","1") = "6"
    & skf21("4","2","7","3","6","1","6","1") = "6"
    & skf21("4","2","7","3","6","1","7","1") = "6"
    & skf21("4","2","7","3","6","2","1","1") = "6"
    & skf21("4","2","7","3","6","2","2","1") = "6"
    & skf21("4","2","7","3","6","2","3","1") = "6"
    & skf21("4","2","7","3","6","2","4","1") = "6"
    & skf21("4","2","7","3","6","2","5","1") = "6"
    & skf21("4","2","7","3","6","2","6","1") = "6"
    & skf21("4","2","7","3","6","2","7","1") = "6"
    & skf21("4","2","7","3","6","3","1","1") = "6"
    & skf21("4","2","7","3","6","3","2","1") = "6"
    & skf21("4","2","7","3","6","3","3","1") = "6"
    & skf21("4","2","7","3","6","3","4","1") = "6"
    & skf21("4","2","7","3","6","3","5","1") = "6"
    & skf21("4","2","7","3","6","3","6","1") = "6"
    & skf21("4","2","7","3","6","3","7","1") = "6"
    & skf21("4","2","7","3","6","4","1","1") = "6"
    & skf21("4","2","7","3","6","4","2","1") = "6"
    & skf21("4","2","7","3","6","4","3","1") = "6"
    & skf21("4","2","7","3","6","4","4","1") = "6"
    & skf21("4","2","7","3","6","4","5","1") = "6"
    & skf21("4","2","7","3","6","4","6","1") = "6"
    & skf21("4","2","7","3","6","4","7","1") = "6"
    & skf21("4","2","7","3","6","5","1","1") = "6"
    & skf21("4","2","7","3","6","5","2","1") = "6"
    & skf21("4","2","7","3","6","5","3","1") = "6"
    & skf21("4","2","7","3","6","5","4","1") = "6"
    & skf21("4","2","7","3","6","5","5","1") = "6"
    & skf21("4","2","7","3","6","5","6","1") = "6"
    & skf21("4","2","7","3","6","5","7","1") = "6"
    & skf21("4","2","7","3","6","6","1","1") = "6"
    & skf21("4","2","7","3","6","6","2","1") = "6"
    & skf21("4","2","7","3","6","6","3","1") = "6"
    & skf21("4","2","7","3","6","6","4","1") = "6"
    & skf21("4","2","7","3","6","6","5","1") = "6"
    & skf21("4","2","7","3","6","6","6","1") = "6"
    & skf21("4","2","7","3","6","6","7","1") = "6"
    & skf21("4","2","7","3","6","7","1","1") = "6"
    & skf21("4","2","7","3","6","7","2","1") = "6"
    & skf21("4","2","7","3","6","7","3","1") = "6"
    & skf21("4","2","7","3","6","7","4","1") = "6"
    & skf21("4","2","7","3","6","7","5","1") = "6"
    & skf21("4","2","7","3","6","7","6","1") = "6"
    & skf21("4","2","7","3","6","7","7","1") = "6"
    & skf21("4","2","7","3","7","1","1","1") = "6"
    & skf21("4","2","7","3","7","1","2","1") = "6"
    & skf21("4","2","7","3","7","1","3","1") = "6"
    & skf21("4","2","7","3","7","1","4","1") = "6"
    & skf21("4","2","7","3","7","1","5","1") = "6"
    & skf21("4","2","7","3","7","1","6","1") = "6"
    & skf21("4","2","7","3","7","1","7","1") = "6"
    & skf21("4","2","7","3","7","2","1","1") = "6"
    & skf21("4","2","7","3","7","2","2","1") = "6"
    & skf21("4","2","7","3","7","2","3","1") = "6"
    & skf21("4","2","7","3","7","2","4","1") = "6"
    & skf21("4","2","7","3","7","2","5","1") = "6"
    & skf21("4","2","7","3","7","2","6","1") = "6"
    & skf21("4","2","7","3","7","2","7","1") = "6"
    & skf21("4","2","7","3","7","3","1","1") = "6"
    & skf21("4","2","7","3","7","3","2","1") = "6"
    & skf21("4","2","7","3","7","3","3","1") = "6"
    & skf21("4","2","7","3","7","3","4","1") = "6"
    & skf21("4","2","7","3","7","3","5","1") = "6"
    & skf21("4","2","7","3","7","3","6","1") = "6"
    & skf21("4","2","7","3","7","3","7","1") = "6"
    & skf21("4","2","7","3","7","4","1","1") = "6"
    & skf21("4","2","7","3","7","4","2","1") = "6"
    & skf21("4","2","7","3","7","4","3","1") = "6"
    & skf21("4","2","7","3","7","4","4","1") = "6"
    & skf21("4","2","7","3","7","4","5","1") = "6"
    & skf21("4","2","7","3","7","4","6","1") = "6"
    & skf21("4","2","7","3","7","4","7","1") = "6"
    & skf21("4","2","7","3","7","5","1","1") = "6"
    & skf21("4","2","7","3","7","5","2","1") = "6"
    & skf21("4","2","7","3","7","5","3","1") = "6"
    & skf21("4","2","7","3","7","5","4","1") = "6"
    & skf21("4","2","7","3","7","5","5","1") = "6"
    & skf21("4","2","7","3","7","5","6","1") = "6"
    & skf21("4","2","7","3","7","5","7","1") = "6"
    & skf21("4","2","7","3","7","6","1","1") = "6"
    & skf21("4","2","7","3","7","6","2","1") = "6"
    & skf21("4","2","7","3","7","6","3","1") = "6"
    & skf21("4","2","7","3","7","6","4","1") = "6"
    & skf21("4","2","7","3","7","6","5","1") = "6"
    & skf21("4","2","7","3","7","6","6","1") = "6"
    & skf21("4","2","7","3","7","6","7","1") = "6"
    & skf21("4","2","7","3","7","7","1","1") = "6"
    & skf21("4","2","7","3","7","7","2","1") = "6"
    & skf21("4","2","7","3","7","7","3","1") = "6"
    & skf21("4","2","7","3","7","7","4","1") = "6"
    & skf21("4","2","7","3","7","7","5","1") = "6"
    & skf21("4","2","7","3","7","7","6","1") = "6"
    & skf21("4","2","7","3","7","7","7","1") = "6"
    & skf21("4","2","7","4","1","1","1","1") = "6"
    & skf21("4","2","7","4","1","1","2","1") = "6"
    & skf21("4","2","7","4","1","1","3","1") = "6"
    & skf21("4","2","7","4","1","1","4","1") = "6"
    & skf21("4","2","7","4","1","1","5","1") = "6"
    & skf21("4","2","7","4","1","1","6","1") = "6"
    & skf21("4","2","7","4","1","1","7","1") = "6"
    & skf21("4","2","7","4","1","2","1","1") = "6"
    & skf21("4","2","7","4","1","2","2","1") = "6"
    & skf21("4","2","7","4","1","2","3","1") = "6"
    & skf21("4","2","7","4","1","2","4","1") = "6"
    & skf21("4","2","7","4","1","2","5","1") = "6"
    & skf21("4","2","7","4","1","2","6","1") = "6"
    & skf21("4","2","7","4","1","2","7","1") = "6"
    & skf21("4","2","7","4","1","3","1","1") = "6"
    & skf21("4","2","7","4","1","3","2","1") = "6"
    & skf21("4","2","7","4","1","3","3","1") = "6"
    & skf21("4","2","7","4","1","3","4","1") = "6"
    & skf21("4","2","7","4","1","3","5","1") = "6"
    & skf21("4","2","7","4","1","3","6","1") = "6"
    & skf21("4","2","7","4","1","3","7","1") = "6"
    & skf21("4","2","7","4","1","4","1","1") = "6"
    & skf21("4","2","7","4","1","4","2","1") = "6"
    & skf21("4","2","7","4","1","4","3","1") = "6"
    & skf21("4","2","7","4","1","4","4","1") = "6"
    & skf21("4","2","7","4","1","4","5","1") = "6"
    & skf21("4","2","7","4","1","4","6","1") = "6"
    & skf21("4","2","7","4","1","4","7","1") = "6"
    & skf21("4","2","7","4","1","5","1","1") = "6"
    & skf21("4","2","7","4","1","5","2","1") = "6"
    & skf21("4","2","7","4","1","5","3","1") = "6"
    & skf21("4","2","7","4","1","5","4","1") = "6"
    & skf21("4","2","7","4","1","5","5","1") = "6"
    & skf21("4","2","7","4","1","5","6","1") = "6"
    & skf21("4","2","7","4","1","5","7","1") = "6"
    & skf21("4","2","7","4","1","6","1","1") = "6"
    & skf21("4","2","7","4","1","6","2","1") = "6"
    & skf21("4","2","7","4","1","6","3","1") = "6"
    & skf21("4","2","7","4","1","6","4","1") = "6"
    & skf21("4","2","7","4","1","6","5","1") = "6"
    & skf21("4","2","7","4","1","6","6","1") = "6"
    & skf21("4","2","7","4","1","6","7","1") = "6"
    & skf21("4","2","7","4","1","7","1","1") = "6"
    & skf21("4","2","7","4","1","7","2","1") = "6"
    & skf21("4","2","7","4","1","7","3","1") = "6"
    & skf21("4","2","7","4","1","7","4","1") = "6"
    & skf21("4","2","7","4","1","7","5","1") = "6"
    & skf21("4","2","7","4","1","7","6","1") = "6"
    & skf21("4","2","7","4","1","7","7","1") = "6"
    & skf21("4","2","7","4","2","1","1","1") = "6"
    & skf21("4","2","7","4","2","1","2","1") = "6"
    & skf21("4","2","7","4","2","1","3","1") = "6"
    & skf21("4","2","7","4","2","1","4","1") = "6"
    & skf21("4","2","7","4","2","1","5","1") = "6"
    & skf21("4","2","7","4","2","1","6","1") = "6"
    & skf21("4","2","7","4","2","1","7","1") = "6"
    & skf21("4","2","7","4","2","2","1","1") = "6"
    & skf21("4","2","7","4","2","2","2","1") = "6"
    & skf21("4","2","7","4","2","2","3","1") = "6"
    & skf21("4","2","7","4","2","2","4","1") = "6"
    & skf21("4","2","7","4","2","2","5","1") = "6"
    & skf21("4","2","7","4","2","2","6","1") = "6"
    & skf21("4","2","7","4","2","2","7","1") = "6"
    & skf21("4","2","7","4","2","3","1","1") = "6"
    & skf21("4","2","7","4","2","3","2","1") = "6"
    & skf21("4","2","7","4","2","3","3","1") = "6"
    & skf21("4","2","7","4","2","3","4","1") = "6"
    & skf21("4","2","7","4","2","3","5","1") = "6"
    & skf21("4","2","7","4","2","3","6","1") = "6"
    & skf21("4","2","7","4","2","3","7","1") = "6"
    & skf21("4","2","7","4","2","4","1","1") = "6"
    & skf21("4","2","7","4","2","4","2","1") = "6"
    & skf21("4","2","7","4","2","4","3","1") = "6"
    & skf21("4","2","7","4","2","4","4","1") = "6"
    & skf21("4","2","7","4","2","4","5","1") = "6"
    & skf21("4","2","7","4","2","4","6","1") = "6"
    & skf21("4","2","7","4","2","4","7","1") = "6"
    & skf21("4","2","7","4","2","5","1","1") = "6"
    & skf21("4","2","7","4","2","5","2","1") = "6"
    & skf21("4","2","7","4","2","5","3","1") = "6"
    & skf21("4","2","7","4","2","5","4","1") = "6"
    & skf21("4","2","7","4","2","5","5","1") = "6"
    & skf21("4","2","7","4","2","5","6","1") = "6"
    & skf21("4","2","7","4","2","5","7","1") = "6"
    & skf21("4","2","7","4","2","6","1","1") = "6"
    & skf21("4","2","7","4","2","6","2","1") = "6"
    & skf21("4","2","7","4","2","6","3","1") = "6"
    & skf21("4","2","7","4","2","6","4","1") = "6"
    & skf21("4","2","7","4","2","6","5","1") = "6"
    & skf21("4","2","7","4","2","6","6","1") = "6"
    & skf21("4","2","7","4","2","6","7","1") = "6"
    & skf21("4","2","7","4","2","7","1","1") = "6"
    & skf21("4","2","7","4","2","7","2","1") = "6"
    & skf21("4","2","7","4","2","7","3","1") = "6"
    & skf21("4","2","7","4","2","7","4","1") = "6"
    & skf21("4","2","7","4","2","7","5","1") = "6"
    & skf21("4","2","7","4","2","7","6","1") = "6"
    & skf21("4","2","7","4","2","7","7","1") = "6"
    & skf21("4","2","7","4","3","1","1","1") = "6"
    & skf21("4","2","7","4","3","1","2","1") = "6"
    & skf21("4","2","7","4","3","1","3","1") = "6"
    & skf21("4","2","7","4","3","1","4","1") = "6"
    & skf21("4","2","7","4","3","1","5","1") = "6"
    & skf21("4","2","7","4","3","1","6","1") = "6"
    & skf21("4","2","7","4","3","1","7","1") = "6"
    & skf21("4","2","7","4","3","2","1","1") = "6"
    & skf21("4","2","7","4","3","2","2","1") = "6"
    & skf21("4","2","7","4","3","2","3","1") = "6"
    & skf21("4","2","7","4","3","2","4","1") = "6"
    & skf21("4","2","7","4","3","2","5","1") = "6"
    & skf21("4","2","7","4","3","2","6","1") = "6"
    & skf21("4","2","7","4","3","2","7","1") = "6"
    & skf21("4","2","7","4","3","3","1","1") = "6"
    & skf21("4","2","7","4","3","3","2","1") = "6"
    & skf21("4","2","7","4","3","3","3","1") = "6"
    & skf21("4","2","7","4","3","3","4","1") = "6"
    & skf21("4","2","7","4","3","3","5","1") = "6"
    & skf21("4","2","7","4","3","3","6","1") = "6"
    & skf21("4","2","7","4","3","3","7","1") = "6"
    & skf21("4","2","7","4","3","4","1","1") = "6"
    & skf21("4","2","7","4","3","4","2","1") = "6"
    & skf21("4","2","7","4","3","4","3","1") = "6"
    & skf21("4","2","7","4","3","4","4","1") = "6"
    & skf21("4","2","7","4","3","4","5","1") = "6"
    & skf21("4","2","7","4","3","4","6","1") = "6"
    & skf21("4","2","7","4","3","4","7","1") = "6"
    & skf21("4","2","7","4","3","5","1","1") = "6"
    & skf21("4","2","7","4","3","5","2","1") = "6"
    & skf21("4","2","7","4","3","5","3","1") = "6"
    & skf21("4","2","7","4","3","5","4","1") = "6"
    & skf21("4","2","7","4","3","5","5","1") = "6"
    & skf21("4","2","7","4","3","5","6","1") = "6"
    & skf21("4","2","7","4","3","5","7","1") = "6"
    & skf21("4","2","7","4","3","6","1","1") = "6"
    & skf21("4","2","7","4","3","6","2","1") = "6"
    & skf21("4","2","7","4","3","6","3","1") = "6"
    & skf21("4","2","7","4","3","6","4","1") = "6"
    & skf21("4","2","7","4","3","6","5","1") = "6"
    & skf21("4","2","7","4","3","6","6","1") = "6"
    & skf21("4","2","7","4","3","6","7","1") = "6"
    & skf21("4","2","7","4","3","7","1","1") = "6"
    & skf21("4","2","7","4","3","7","2","1") = "6"
    & skf21("4","2","7","4","3","7","3","1") = "6"
    & skf21("4","2","7","4","3","7","4","1") = "6"
    & skf21("4","2","7","4","3","7","5","1") = "6"
    & skf21("4","2","7","4","3","7","6","1") = "6"
    & skf21("4","2","7","4","3","7","7","1") = "6"
    & skf21("4","2","7","4","4","1","1","1") = "6"
    & skf21("4","2","7","4","4","1","2","1") = "6"
    & skf21("4","2","7","4","4","1","3","1") = "6"
    & skf21("4","2","7","4","4","1","4","1") = "6"
    & skf21("4","2","7","4","4","1","5","1") = "6"
    & skf21("4","2","7","4","4","1","6","1") = "6"
    & skf21("4","2","7","4","4","1","7","1") = "6"
    & skf21("4","2","7","4","4","2","1","1") = "6"
    & skf21("4","2","7","4","4","2","2","1") = "6"
    & skf21("4","2","7","4","4","2","3","1") = "6"
    & skf21("4","2","7","4","4","2","4","1") = "6"
    & skf21("4","2","7","4","4","2","5","1") = "6"
    & skf21("4","2","7","4","4","2","6","1") = "6"
    & skf21("4","2","7","4","4","2","7","1") = "6"
    & skf21("4","2","7","4","4","3","1","1") = "6"
    & skf21("4","2","7","4","4","3","2","1") = "6"
    & skf21("4","2","7","4","4","3","3","1") = "6"
    & skf21("4","2","7","4","4","3","4","1") = "6"
    & skf21("4","2","7","4","4","3","5","1") = "6"
    & skf21("4","2","7","4","4","3","6","1") = "6"
    & skf21("4","2","7","4","4","3","7","1") = "6"
    & skf21("4","2","7","4","4","4","1","1") = "6"
    & skf21("4","2","7","4","4","4","2","1") = "6"
    & skf21("4","2","7","4","4","4","3","1") = "6"
    & skf21("4","2","7","4","4","4","4","1") = "6"
    & skf21("4","2","7","4","4","4","5","1") = "6"
    & skf21("4","2","7","4","4","4","6","1") = "6"
    & skf21("4","2","7","4","4","4","7","1") = "6"
    & skf21("4","2","7","4","4","5","1","1") = "6"
    & skf21("4","2","7","4","4","5","2","1") = "6"
    & skf21("4","2","7","4","4","5","3","1") = "6"
    & skf21("4","2","7","4","4","5","4","1") = "6"
    & skf21("4","2","7","4","4","5","5","1") = "6"
    & skf21("4","2","7","4","4","5","6","1") = "6"
    & skf21("4","2","7","4","4","5","7","1") = "6"
    & skf21("4","2","7","4","4","6","1","1") = "6"
    & skf21("4","2","7","4","4","6","2","1") = "6"
    & skf21("4","2","7","4","4","6","3","1") = "6"
    & skf21("4","2","7","4","4","6","4","1") = "6"
    & skf21("4","2","7","4","4","6","5","1") = "6"
    & skf21("4","2","7","4","4","6","6","1") = "6"
    & skf21("4","2","7","4","4","6","7","1") = "6"
    & skf21("4","2","7","4","4","7","1","1") = "6"
    & skf21("4","2","7","4","4","7","2","1") = "6"
    & skf21("4","2","7","4","4","7","3","1") = "6"
    & skf21("4","2","7","4","4","7","4","1") = "6"
    & skf21("4","2","7","4","4","7","5","1") = "6"
    & skf21("4","2","7","4","4","7","6","1") = "6"
    & skf21("4","2","7","4","4","7","7","1") = "6"
    & skf21("4","2","7","4","5","1","1","1") = "6"
    & skf21("4","2","7","4","5","1","2","1") = "6"
    & skf21("4","2","7","4","5","1","3","1") = "6"
    & skf21("4","2","7","4","5","1","4","1") = "6"
    & skf21("4","2","7","4","5","1","5","1") = "6"
    & skf21("4","2","7","4","5","1","6","1") = "6"
    & skf21("4","2","7","4","5","1","7","1") = "6"
    & skf21("4","2","7","4","5","2","1","1") = "6"
    & skf21("4","2","7","4","5","2","2","1") = "6"
    & skf21("4","2","7","4","5","2","3","1") = "6"
    & skf21("4","2","7","4","5","2","4","1") = "6"
    & skf21("4","2","7","4","5","2","5","1") = "6"
    & skf21("4","2","7","4","5","2","6","1") = "6"
    & skf21("4","2","7","4","5","2","7","1") = "6"
    & skf21("4","2","7","4","5","3","1","1") = "6"
    & skf21("4","2","7","4","5","3","2","1") = "6"
    & skf21("4","2","7","4","5","3","3","1") = "6"
    & skf21("4","2","7","4","5","3","4","1") = "6"
    & skf21("4","2","7","4","5","3","5","1") = "6"
    & skf21("4","2","7","4","5","3","6","1") = "6"
    & skf21("4","2","7","4","5","3","7","1") = "6"
    & skf21("4","2","7","4","5","4","1","1") = "6"
    & skf21("4","2","7","4","5","4","2","1") = "6"
    & skf21("4","2","7","4","5","4","3","1") = "6"
    & skf21("4","2","7","4","5","4","4","1") = "6"
    & skf21("4","2","7","4","5","4","5","1") = "6"
    & skf21("4","2","7","4","5","4","6","1") = "6"
    & skf21("4","2","7","4","5","4","7","1") = "6"
    & skf21("4","2","7","4","5","5","1","1") = "6"
    & skf21("4","2","7","4","5","5","2","1") = "6"
    & skf21("4","2","7","4","5","5","3","1") = "6"
    & skf21("4","2","7","4","5","5","4","1") = "6"
    & skf21("4","2","7","4","5","5","5","1") = "6"
    & skf21("4","2","7","4","5","5","6","1") = "6"
    & skf21("4","2","7","4","5","5","7","1") = "6"
    & skf21("4","2","7","4","5","6","1","1") = "6"
    & skf21("4","2","7","4","5","6","2","1") = "6"
    & skf21("4","2","7","4","5","6","3","1") = "6"
    & skf21("4","2","7","4","5","6","4","1") = "6"
    & skf21("4","2","7","4","5","6","5","1") = "6"
    & skf21("4","2","7","4","5","6","6","1") = "6"
    & skf21("4","2","7","4","5","6","7","1") = "6"
    & skf21("4","2","7","4","5","7","1","1") = "6"
    & skf21("4","2","7","4","5","7","2","1") = "6"
    & skf21("4","2","7","4","5","7","3","1") = "6"
    & skf21("4","2","7","4","5","7","4","1") = "6"
    & skf21("4","2","7","4","5","7","5","1") = "6"
    & skf21("4","2","7","4","5","7","6","1") = "6"
    & skf21("4","2","7","4","5","7","7","1") = "6"
    & skf21("4","2","7","4","6","1","1","1") = "6"
    & skf21("4","2","7","4","6","1","2","1") = "6"
    & skf21("4","2","7","4","6","1","3","1") = "6"
    & skf21("4","2","7","4","6","1","4","1") = "6"
    & skf21("4","2","7","4","6","1","5","1") = "6"
    & skf21("4","2","7","4","6","1","6","1") = "6"
    & skf21("4","2","7","4","6","1","7","1") = "6"
    & skf21("4","2","7","4","6","2","1","1") = "6"
    & skf21("4","2","7","4","6","2","2","1") = "6"
    & skf21("4","2","7","4","6","2","3","1") = "6"
    & skf21("4","2","7","4","6","2","4","1") = "6"
    & skf21("4","2","7","4","6","2","5","1") = "6"
    & skf21("4","2","7","4","6","2","6","1") = "6"
    & skf21("4","2","7","4","6","2","7","1") = "6"
    & skf21("4","2","7","4","6","3","1","1") = "6"
    & skf21("4","2","7","4","6","3","2","1") = "6"
    & skf21("4","2","7","4","6","3","3","1") = "6"
    & skf21("4","2","7","4","6","3","4","1") = "6"
    & skf21("4","2","7","4","6","3","5","1") = "6"
    & skf21("4","2","7","4","6","3","6","1") = "6"
    & skf21("4","2","7","4","6","3","7","1") = "6"
    & skf21("4","2","7","4","6","4","1","1") = "6"
    & skf21("4","2","7","4","6","4","2","1") = "6"
    & skf21("4","2","7","4","6","4","3","1") = "6"
    & skf21("4","2","7","4","6","4","4","1") = "6"
    & skf21("4","2","7","4","6","4","5","1") = "6"
    & skf21("4","2","7","4","6","4","6","1") = "6"
    & skf21("4","2","7","4","6","4","7","1") = "6"
    & skf21("4","2","7","4","6","5","1","1") = "6"
    & skf21("4","2","7","4","6","5","2","1") = "6"
    & skf21("4","2","7","4","6","5","3","1") = "6"
    & skf21("4","2","7","4","6","5","4","1") = "6"
    & skf21("4","2","7","4","6","5","5","1") = "6"
    & skf21("4","2","7","4","6","5","6","1") = "6"
    & skf21("4","2","7","4","6","5","7","1") = "6"
    & skf21("4","2","7","4","6","6","1","1") = "6"
    & skf21("4","2","7","4","6","6","2","1") = "6"
    & skf21("4","2","7","4","6","6","3","1") = "6"
    & skf21("4","2","7","4","6","6","4","1") = "6"
    & skf21("4","2","7","4","6","6","5","1") = "6"
    & skf21("4","2","7","4","6","6","6","1") = "6"
    & skf21("4","2","7","4","6","6","7","1") = "6"
    & skf21("4","2","7","4","6","7","1","1") = "6"
    & skf21("4","2","7","4","6","7","2","1") = "6"
    & skf21("4","2","7","4","6","7","3","1") = "6"
    & skf21("4","2","7","4","6","7","4","1") = "6"
    & skf21("4","2","7","4","6","7","5","1") = "6"
    & skf21("4","2","7","4","6","7","6","1") = "6"
    & skf21("4","2","7","4","6","7","7","1") = "6"
    & skf21("4","2","7","4","7","1","1","1") = "6"
    & skf21("4","2","7","4","7","1","2","1") = "6"
    & skf21("4","2","7","4","7","1","3","1") = "6"
    & skf21("4","2","7","4","7","1","4","1") = "6"
    & skf21("4","2","7","4","7","1","5","1") = "6"
    & skf21("4","2","7","4","7","1","6","1") = "6"
    & skf21("4","2","7","4","7","1","7","1") = "6"
    & skf21("4","2","7","4","7","2","1","1") = "6"
    & skf21("4","2","7","4","7","2","2","1") = "6"
    & skf21("4","2","7","4","7","2","3","1") = "6"
    & skf21("4","2","7","4","7","2","4","1") = "6"
    & skf21("4","2","7","4","7","2","5","1") = "6"
    & skf21("4","2","7","4","7","2","6","1") = "6"
    & skf21("4","2","7","4","7","2","7","1") = "6"
    & skf21("4","2","7","4","7","3","1","1") = "6"
    & skf21("4","2","7","4","7","3","2","1") = "6"
    & skf21("4","2","7","4","7","3","3","1") = "6"
    & skf21("4","2","7","4","7","3","4","1") = "6"
    & skf21("4","2","7","4","7","3","5","1") = "6"
    & skf21("4","2","7","4","7","3","6","1") = "6"
    & skf21("4","2","7","4","7","3","7","1") = "6"
    & skf21("4","2","7","4","7","4","1","1") = "6"
    & skf21("4","2","7","4","7","4","2","1") = "6"
    & skf21("4","2","7","4","7","4","3","1") = "6"
    & skf21("4","2","7","4","7","4","4","1") = "6"
    & skf21("4","2","7","4","7","4","5","1") = "6"
    & skf21("4","2","7","4","7","4","6","1") = "6"
    & skf21("4","2","7","4","7","4","7","1") = "6"
    & skf21("4","2","7","4","7","5","1","1") = "6"
    & skf21("4","2","7","4","7","5","2","1") = "6"
    & skf21("4","2","7","4","7","5","3","1") = "6"
    & skf21("4","2","7","4","7","5","4","1") = "6"
    & skf21("4","2","7","4","7","5","5","1") = "6"
    & skf21("4","2","7","4","7","5","6","1") = "6"
    & skf21("4","2","7","4","7","5","7","1") = "6"
    & skf21("4","2","7","4","7","6","1","1") = "6"
    & skf21("4","2","7","4","7","6","2","1") = "6"
    & skf21("4","2","7","4","7","6","3","1") = "6"
    & skf21("4","2","7","4","7","6","4","1") = "6"
    & skf21("4","2","7","4","7","6","5","1") = "6"
    & skf21("4","2","7","4","7","6","6","1") = "6"
    & skf21("4","2","7","4","7","6","7","1") = "6"
    & skf21("4","2","7","4","7","7","1","1") = "6"
    & skf21("4","2","7","4","7","7","2","1") = "6"
    & skf21("4","2","7","4","7","7","3","1") = "6"
    & skf21("4","2","7","4","7","7","4","1") = "6"
    & skf21("4","2","7","4","7","7","5","1") = "6"
    & skf21("4","2","7","4","7","7","6","1") = "6"
    & skf21("4","2","7","4","7","7","7","1") = "6"
    & skf21("4","2","7","5","1","1","1","1") = "6"
    & skf21("4","2","7","5","1","1","2","1") = "6"
    & skf21("4","2","7","5","1","1","3","1") = "6"
    & skf21("4","2","7","5","1","1","4","1") = "6"
    & skf21("4","2","7","5","1","1","5","1") = "6"
    & skf21("4","2","7","5","1","1","6","1") = "6"
    & skf21("4","2","7","5","1","1","7","1") = "6"
    & skf21("4","2","7","5","1","2","1","1") = "6"
    & skf21("4","2","7","5","1","2","2","1") = "6"
    & skf21("4","2","7","5","1","2","3","1") = "6"
    & skf21("4","2","7","5","1","2","4","1") = "6"
    & skf21("4","2","7","5","1","2","5","1") = "6"
    & skf21("4","2","7","5","1","2","6","1") = "6"
    & skf21("4","2","7","5","1","2","7","1") = "6"
    & skf21("4","2","7","5","1","3","1","1") = "6"
    & skf21("4","2","7","5","1","3","2","1") = "6"
    & skf21("4","2","7","5","1","3","3","1") = "6"
    & skf21("4","2","7","5","1","3","4","1") = "6"
    & skf21("4","2","7","5","1","3","5","1") = "6"
    & skf21("4","2","7","5","1","3","6","1") = "6"
    & skf21("4","2","7","5","1","3","7","1") = "6"
    & skf21("4","2","7","5","1","4","1","1") = "6"
    & skf21("4","2","7","5","1","4","2","1") = "6"
    & skf21("4","2","7","5","1","4","3","1") = "6"
    & skf21("4","2","7","5","1","4","4","1") = "6"
    & skf21("4","2","7","5","1","4","5","1") = "6"
    & skf21("4","2","7","5","1","4","6","1") = "6"
    & skf21("4","2","7","5","1","4","7","1") = "6"
    & skf21("4","2","7","5","1","5","1","1") = "6"
    & skf21("4","2","7","5","1","5","2","1") = "6"
    & skf21("4","2","7","5","1","5","3","1") = "6"
    & skf21("4","2","7","5","1","5","4","1") = "6"
    & skf21("4","2","7","5","1","5","5","1") = "6"
    & skf21("4","2","7","5","1","5","6","1") = "6"
    & skf21("4","2","7","5","1","5","7","1") = "6"
    & skf21("4","2","7","5","1","6","1","1") = "6"
    & skf21("4","2","7","5","1","6","2","1") = "6"
    & skf21("4","2","7","5","1","6","3","1") = "6"
    & skf21("4","2","7","5","1","6","4","1") = "6"
    & skf21("4","2","7","5","1","6","5","1") = "6"
    & skf21("4","2","7","5","1","6","6","1") = "6"
    & skf21("4","2","7","5","1","6","7","1") = "6"
    & skf21("4","2","7","5","1","7","1","1") = "6"
    & skf21("4","2","7","5","1","7","2","1") = "6"
    & skf21("4","2","7","5","1","7","3","1") = "6"
    & skf21("4","2","7","5","1","7","4","1") = "6"
    & skf21("4","2","7","5","1","7","5","1") = "6"
    & skf21("4","2","7","5","1","7","6","1") = "6"
    & skf21("4","2","7","5","1","7","7","1") = "6"
    & skf21("4","2","7","5","2","1","1","1") = "6"
    & skf21("4","2","7","5","2","1","2","1") = "6"
    & skf21("4","2","7","5","2","1","3","1") = "6"
    & skf21("4","2","7","5","2","1","4","1") = "6"
    & skf21("4","2","7","5","2","1","5","1") = "6"
    & skf21("4","2","7","5","2","1","6","1") = "6"
    & skf21("4","2","7","5","2","1","7","1") = "6"
    & skf21("4","2","7","5","2","2","1","1") = "6"
    & skf21("4","2","7","5","2","2","2","1") = "6"
    & skf21("4","2","7","5","2","2","3","1") = "6"
    & skf21("4","2","7","5","2","2","4","1") = "6"
    & skf21("4","2","7","5","2","2","5","1") = "6"
    & skf21("4","2","7","5","2","2","6","1") = "6"
    & skf21("4","2","7","5","2","2","7","1") = "6"
    & skf21("4","2","7","5","2","3","1","1") = "6"
    & skf21("4","2","7","5","2","3","2","1") = "6"
    & skf21("4","2","7","5","2","3","3","1") = "6"
    & skf21("4","2","7","5","2","3","4","1") = "6"
    & skf21("4","2","7","5","2","3","5","1") = "6"
    & skf21("4","2","7","5","2","3","6","1") = "6"
    & skf21("4","2","7","5","2","3","7","1") = "6"
    & skf21("4","2","7","5","2","4","1","1") = "6"
    & skf21("4","2","7","5","2","4","2","1") = "6"
    & skf21("4","2","7","5","2","4","3","1") = "6"
    & skf21("4","2","7","5","2","4","4","1") = "6"
    & skf21("4","2","7","5","2","4","5","1") = "6"
    & skf21("4","2","7","5","2","4","6","1") = "6"
    & skf21("4","2","7","5","2","4","7","1") = "6"
    & skf21("4","2","7","5","2","5","1","1") = "6"
    & skf21("4","2","7","5","2","5","2","1") = "6"
    & skf21("4","2","7","5","2","5","3","1") = "6"
    & skf21("4","2","7","5","2","5","4","1") = "6"
    & skf21("4","2","7","5","2","5","5","1") = "6"
    & skf21("4","2","7","5","2","5","6","1") = "6"
    & skf21("4","2","7","5","2","5","7","1") = "6"
    & skf21("4","2","7","5","2","6","1","1") = "6"
    & skf21("4","2","7","5","2","6","2","1") = "6"
    & skf21("4","2","7","5","2","6","3","1") = "6"
    & skf21("4","2","7","5","2","6","4","1") = "6"
    & skf21("4","2","7","5","2","6","5","1") = "6"
    & skf21("4","2","7","5","2","6","6","1") = "6"
    & skf21("4","2","7","5","2","6","7","1") = "6"
    & skf21("4","2","7","5","2","7","1","1") = "6"
    & skf21("4","2","7","5","2","7","2","1") = "6"
    & skf21("4","2","7","5","2","7","3","1") = "6"
    & skf21("4","2","7","5","2","7","4","1") = "6"
    & skf21("4","2","7","5","2","7","5","1") = "6"
    & skf21("4","2","7","5","2","7","6","1") = "6"
    & skf21("4","2","7","5","2","7","7","1") = "6"
    & skf21("4","2","7","5","3","1","1","1") = "6"
    & skf21("4","2","7","5","3","1","2","1") = "6"
    & skf21("4","2","7","5","3","1","3","1") = "6"
    & skf21("4","2","7","5","3","1","4","1") = "6"
    & skf21("4","2","7","5","3","1","5","1") = "6"
    & skf21("4","2","7","5","3","1","6","1") = "6"
    & skf21("4","2","7","5","3","1","7","1") = "6"
    & skf21("4","2","7","5","3","2","1","1") = "6"
    & skf21("4","2","7","5","3","2","2","1") = "6"
    & skf21("4","2","7","5","3","2","3","1") = "6"
    & skf21("4","2","7","5","3","2","4","1") = "6"
    & skf21("4","2","7","5","3","2","5","1") = "6"
    & skf21("4","2","7","5","3","2","6","1") = "6"
    & skf21("4","2","7","5","3","2","7","1") = "6"
    & skf21("4","2","7","5","3","3","1","1") = "6"
    & skf21("4","2","7","5","3","3","2","1") = "6"
    & skf21("4","2","7","5","3","3","3","1") = "6"
    & skf21("4","2","7","5","3","3","4","1") = "6"
    & skf21("4","2","7","5","3","3","5","1") = "6"
    & skf21("4","2","7","5","3","3","6","1") = "6"
    & skf21("4","2","7","5","3","3","7","1") = "6"
    & skf21("4","2","7","5","3","4","1","1") = "6"
    & skf21("4","2","7","5","3","4","2","1") = "6"
    & skf21("4","2","7","5","3","4","3","1") = "6"
    & skf21("4","2","7","5","3","4","4","1") = "6"
    & skf21("4","2","7","5","3","4","5","1") = "6"
    & skf21("4","2","7","5","3","4","6","1") = "6"
    & skf21("4","2","7","5","3","4","7","1") = "6"
    & skf21("4","2","7","5","3","5","1","1") = "6"
    & skf21("4","2","7","5","3","5","2","1") = "6"
    & skf21("4","2","7","5","3","5","3","1") = "6"
    & skf21("4","2","7","5","3","5","4","1") = "6"
    & skf21("4","2","7","5","3","5","5","1") = "6"
    & skf21("4","2","7","5","3","5","6","1") = "6"
    & skf21("4","2","7","5","3","5","7","1") = "6"
    & skf21("4","2","7","5","3","6","1","1") = "6"
    & skf21("4","2","7","5","3","6","2","1") = "6"
    & skf21("4","2","7","5","3","6","3","1") = "6"
    & skf21("4","2","7","5","3","6","4","1") = "6"
    & skf21("4","2","7","5","3","6","5","1") = "6"
    & skf21("4","2","7","5","3","6","6","1") = "6"
    & skf21("4","2","7","5","3","6","7","1") = "6"
    & skf21("4","2","7","5","3","7","1","1") = "6"
    & skf21("4","2","7","5","3","7","2","1") = "6"
    & skf21("4","2","7","5","3","7","3","1") = "6"
    & skf21("4","2","7","5","3","7","4","1") = "6"
    & skf21("4","2","7","5","3","7","5","1") = "6"
    & skf21("4","2","7","5","3","7","6","1") = "6"
    & skf21("4","2","7","5","3","7","7","1") = "6"
    & skf21("4","2","7","5","4","1","1","1") = "6"
    & skf21("4","2","7","5","4","1","2","1") = "6"
    & skf21("4","2","7","5","4","1","3","1") = "6"
    & skf21("4","2","7","5","4","1","4","1") = "6"
    & skf21("4","2","7","5","4","1","5","1") = "6"
    & skf21("4","2","7","5","4","1","6","1") = "6"
    & skf21("4","2","7","5","4","1","7","1") = "6"
    & skf21("4","2","7","5","4","2","1","1") = "6"
    & skf21("4","2","7","5","4","2","2","1") = "6"
    & skf21("4","2","7","5","4","2","3","1") = "6"
    & skf21("4","2","7","5","4","2","4","1") = "6"
    & skf21("4","2","7","5","4","2","5","1") = "6"
    & skf21("4","2","7","5","4","2","6","1") = "6"
    & skf21("4","2","7","5","4","2","7","1") = "6"
    & skf21("4","2","7","5","4","3","1","1") = "6"
    & skf21("4","2","7","5","4","3","2","1") = "6"
    & skf21("4","2","7","5","4","3","3","1") = "6"
    & skf21("4","2","7","5","4","3","4","1") = "6"
    & skf21("4","2","7","5","4","3","5","1") = "6"
    & skf21("4","2","7","5","4","3","6","1") = "6"
    & skf21("4","2","7","5","4","3","7","1") = "6"
    & skf21("4","2","7","5","4","4","1","1") = "6"
    & skf21("4","2","7","5","4","4","2","1") = "6"
    & skf21("4","2","7","5","4","4","3","1") = "6"
    & skf21("4","2","7","5","4","4","4","1") = "6"
    & skf21("4","2","7","5","4","4","5","1") = "6"
    & skf21("4","2","7","5","4","4","6","1") = "6"
    & skf21("4","2","7","5","4","4","7","1") = "6"
    & skf21("4","2","7","5","4","5","1","1") = "6"
    & skf21("4","2","7","5","4","5","2","1") = "6"
    & skf21("4","2","7","5","4","5","3","1") = "6"
    & skf21("4","2","7","5","4","5","4","1") = "6"
    & skf21("4","2","7","5","4","5","5","1") = "6"
    & skf21("4","2","7","5","4","5","6","1") = "6"
    & skf21("4","2","7","5","4","5","7","1") = "6"
    & skf21("4","2","7","5","4","6","1","1") = "6"
    & skf21("4","2","7","5","4","6","2","1") = "6"
    & skf21("4","2","7","5","4","6","3","1") = "6"
    & skf21("4","2","7","5","4","6","4","1") = "6"
    & skf21("4","2","7","5","4","6","5","1") = "6"
    & skf21("4","2","7","5","4","6","6","1") = "6"
    & skf21("4","2","7","5","4","6","7","1") = "6"
    & skf21("4","2","7","5","4","7","1","1") = "6"
    & skf21("4","2","7","5","4","7","2","1") = "6"
    & skf21("4","2","7","5","4","7","3","1") = "6"
    & skf21("4","2","7","5","4","7","4","1") = "6"
    & skf21("4","2","7","5","4","7","5","1") = "6"
    & skf21("4","2","7","5","4","7","6","1") = "6"
    & skf21("4","2","7","5","4","7","7","1") = "6"
    & skf21("4","2","7","5","5","1","1","1") = "6"
    & skf21("4","2","7","5","5","1","2","1") = "6"
    & skf21("4","2","7","5","5","1","3","1") = "6"
    & skf21("4","2","7","5","5","1","4","1") = "6"
    & skf21("4","2","7","5","5","1","5","1") = "6"
    & skf21("4","2","7","5","5","1","6","1") = "6"
    & skf21("4","2","7","5","5","1","7","1") = "6"
    & skf21("4","2","7","5","5","2","1","1") = "6"
    & skf21("4","2","7","5","5","2","2","1") = "6"
    & skf21("4","2","7","5","5","2","3","1") = "6"
    & skf21("4","2","7","5","5","2","4","1") = "6"
    & skf21("4","2","7","5","5","2","5","1") = "6"
    & skf21("4","2","7","5","5","2","6","1") = "6"
    & skf21("4","2","7","5","5","2","7","1") = "6"
    & skf21("4","2","7","5","5","3","1","1") = "6"
    & skf21("4","2","7","5","5","3","2","1") = "6"
    & skf21("4","2","7","5","5","3","3","1") = "6"
    & skf21("4","2","7","5","5","3","4","1") = "6"
    & skf21("4","2","7","5","5","3","5","1") = "6"
    & skf21("4","2","7","5","5","3","6","1") = "6"
    & skf21("4","2","7","5","5","3","7","1") = "6"
    & skf21("4","2","7","5","5","4","1","1") = "6"
    & skf21("4","2","7","5","5","4","2","1") = "6"
    & skf21("4","2","7","5","5","4","3","1") = "6"
    & skf21("4","2","7","5","5","4","4","1") = "6"
    & skf21("4","2","7","5","5","4","5","1") = "6"
    & skf21("4","2","7","5","5","4","6","1") = "6"
    & skf21("4","2","7","5","5","4","7","1") = "6"
    & skf21("4","2","7","5","5","5","1","1") = "6"
    & skf21("4","2","7","5","5","5","2","1") = "6"
    & skf21("4","2","7","5","5","5","3","1") = "6"
    & skf21("4","2","7","5","5","5","4","1") = "6"
    & skf21("4","2","7","5","5","5","5","1") = "6"
    & skf21("4","2","7","5","5","5","6","1") = "6"
    & skf21("4","2","7","5","5","5","7","1") = "6"
    & skf21("4","2","7","5","5","6","1","1") = "6"
    & skf21("4","2","7","5","5","6","2","1") = "6"
    & skf21("4","2","7","5","5","6","3","1") = "6"
    & skf21("4","2","7","5","5","6","4","1") = "6"
    & skf21("4","2","7","5","5","6","5","1") = "6"
    & skf21("4","2","7","5","5","6","6","1") = "6"
    & skf21("4","2","7","5","5","6","7","1") = "6"
    & skf21("4","2","7","5","5","7","1","1") = "6"
    & skf21("4","2","7","5","5","7","2","1") = "6"
    & skf21("4","2","7","5","5","7","3","1") = "6"
    & skf21("4","2","7","5","5","7","4","1") = "6"
    & skf21("4","2","7","5","5","7","5","1") = "6"
    & skf21("4","2","7","5","5","7","6","1") = "6"
    & skf21("4","2","7","5","5","7","7","1") = "6"
    & skf21("4","2","7","5","6","1","1","1") = "6"
    & skf21("4","2","7","5","6","1","2","1") = "6"
    & skf21("4","2","7","5","6","1","3","1") = "6"
    & skf21("4","2","7","5","6","1","4","1") = "6"
    & skf21("4","2","7","5","6","1","5","1") = "6"
    & skf21("4","2","7","5","6","1","6","1") = "6"
    & skf21("4","2","7","5","6","1","7","1") = "6"
    & skf21("4","2","7","5","6","2","1","1") = "6"
    & skf21("4","2","7","5","6","2","2","1") = "6"
    & skf21("4","2","7","5","6","2","3","1") = "6"
    & skf21("4","2","7","5","6","2","4","1") = "6"
    & skf21("4","2","7","5","6","2","5","1") = "6"
    & skf21("4","2","7","5","6","2","6","1") = "6"
    & skf21("4","2","7","5","6","2","7","1") = "6"
    & skf21("4","2","7","5","6","3","1","1") = "6"
    & skf21("4","2","7","5","6","3","2","1") = "6"
    & skf21("4","2","7","5","6","3","3","1") = "6"
    & skf21("4","2","7","5","6","3","4","1") = "6"
    & skf21("4","2","7","5","6","3","5","1") = "6"
    & skf21("4","2","7","5","6","3","6","1") = "6"
    & skf21("4","2","7","5","6","3","7","1") = "6"
    & skf21("4","2","7","5","6","4","1","1") = "6"
    & skf21("4","2","7","5","6","4","2","1") = "6"
    & skf21("4","2","7","5","6","4","3","1") = "6"
    & skf21("4","2","7","5","6","4","4","1") = "6"
    & skf21("4","2","7","5","6","4","5","1") = "6"
    & skf21("4","2","7","5","6","4","6","1") = "6"
    & skf21("4","2","7","5","6","4","7","1") = "6"
    & skf21("4","2","7","5","6","5","1","1") = "6"
    & skf21("4","2","7","5","6","5","2","1") = "6"
    & skf21("4","2","7","5","6","5","3","1") = "6"
    & skf21("4","2","7","5","6","5","4","1") = "6"
    & skf21("4","2","7","5","6","5","5","1") = "6"
    & skf21("4","2","7","5","6","5","6","1") = "6"
    & skf21("4","2","7","5","6","5","7","1") = "6"
    & skf21("4","2","7","5","6","6","1","1") = "6"
    & skf21("4","2","7","5","6","6","2","1") = "6"
    & skf21("4","2","7","5","6","6","3","1") = "6"
    & skf21("4","2","7","5","6","6","4","1") = "6"
    & skf21("4","2","7","5","6","6","5","1") = "6"
    & skf21("4","2","7","5","6","6","6","1") = "6"
    & skf21("4","2","7","5","6","6","7","1") = "6"
    & skf21("4","2","7","5","6","7","1","1") = "6"
    & skf21("4","2","7","5","6","7","2","1") = "6"
    & skf21("4","2","7","5","6","7","3","1") = "6"
    & skf21("4","2","7","5","6","7","4","1") = "6"
    & skf21("4","2","7","5","6","7","5","1") = "6"
    & skf21("4","2","7","5","6","7","6","1") = "6"
    & skf21("4","2","7","5","6","7","7","1") = "6"
    & skf21("4","2","7","5","7","1","1","1") = "6"
    & skf21("4","2","7","5","7","1","2","1") = "6"
    & skf21("4","2","7","5","7","1","3","1") = "6"
    & skf21("4","2","7","5","7","1","4","1") = "6"
    & skf21("4","2","7","5","7","1","5","1") = "6"
    & skf21("4","2","7","5","7","1","6","1") = "6"
    & skf21("4","2","7","5","7","1","7","1") = "6"
    & skf21("4","2","7","5","7","2","1","1") = "6"
    & skf21("4","2","7","5","7","2","2","1") = "6"
    & skf21("4","2","7","5","7","2","3","1") = "6"
    & skf21("4","2","7","5","7","2","4","1") = "6"
    & skf21("4","2","7","5","7","2","5","1") = "6"
    & skf21("4","2","7","5","7","2","6","1") = "6"
    & skf21("4","2","7","5","7","2","7","1") = "6"
    & skf21("4","2","7","5","7","3","1","1") = "6"
    & skf21("4","2","7","5","7","3","2","1") = "6"
    & skf21("4","2","7","5","7","3","3","1") = "6"
    & skf21("4","2","7","5","7","3","4","1") = "6"
    & skf21("4","2","7","5","7","3","5","1") = "6"
    & skf21("4","2","7","5","7","3","6","1") = "6"
    & skf21("4","2","7","5","7","3","7","1") = "6"
    & skf21("4","2","7","5","7","4","1","1") = "6"
    & skf21("4","2","7","5","7","4","2","1") = "6"
    & skf21("4","2","7","5","7","4","3","1") = "6"
    & skf21("4","2","7","5","7","4","4","1") = "6"
    & skf21("4","2","7","5","7","4","5","1") = "6"
    & skf21("4","2","7","5","7","4","6","1") = "6"
    & skf21("4","2","7","5","7","4","7","1") = "6"
    & skf21("4","2","7","5","7","5","1","1") = "6"
    & skf21("4","2","7","5","7","5","2","1") = "6"
    & skf21("4","2","7","5","7","5","3","1") = "6"
    & skf21("4","2","7","5","7","5","4","1") = "6"
    & skf21("4","2","7","5","7","5","5","1") = "6"
    & skf21("4","2","7","5","7","5","6","1") = "6"
    & skf21("4","2","7","5","7","5","7","1") = "6"
    & skf21("4","2","7","5","7","6","1","1") = "6"
    & skf21("4","2","7","5","7","6","2","1") = "6"
    & skf21("4","2","7","5","7","6","3","1") = "6"
    & skf21("4","2","7","5","7","6","4","1") = "6"
    & skf21("4","2","7","5","7","6","5","1") = "6"
    & skf21("4","2","7","5","7","6","6","1") = "6"
    & skf21("4","2","7","5","7","6","7","1") = "6"
    & skf21("4","2","7","5","7","7","1","1") = "6"
    & skf21("4","2","7","5","7","7","2","1") = "6"
    & skf21("4","2","7","5","7","7","3","1") = "6"
    & skf21("4","2","7","5","7","7","4","1") = "6"
    & skf21("4","2","7","5","7","7","5","1") = "6"
    & skf21("4","2","7","5","7","7","6","1") = "6"
    & skf21("4","2","7","5","7","7","7","1") = "6"
    & skf21("4","2","7","6","1","1","1","1") = "6"
    & skf21("4","2","7","6","1","1","2","1") = "6"
    & skf21("4","2","7","6","1","1","3","1") = "6"
    & skf21("4","2","7","6","1","1","4","1") = "6"
    & skf21("4","2","7","6","1","1","5","1") = "6"
    & skf21("4","2","7","6","1","1","6","1") = "6"
    & skf21("4","2","7","6","1","1","7","1") = "6"
    & skf21("4","2","7","6","1","2","1","1") = "6"
    & skf21("4","2","7","6","1","2","2","1") = "6"
    & skf21("4","2","7","6","1","2","3","1") = "6"
    & skf21("4","2","7","6","1","2","4","1") = "6"
    & skf21("4","2","7","6","1","2","5","1") = "6"
    & skf21("4","2","7","6","1","2","6","1") = "6"
    & skf21("4","2","7","6","1","2","7","1") = "6"
    & skf21("4","2","7","6","1","3","1","1") = "6"
    & skf21("4","2","7","6","1","3","2","1") = "6"
    & skf21("4","2","7","6","1","3","3","1") = "6"
    & skf21("4","2","7","6","1","3","4","1") = "6"
    & skf21("4","2","7","6","1","3","5","1") = "6"
    & skf21("4","2","7","6","1","3","6","1") = "6"
    & skf21("4","2","7","6","1","3","7","1") = "6"
    & skf21("4","2","7","6","1","4","1","1") = "6"
    & skf21("4","2","7","6","1","4","2","1") = "6"
    & skf21("4","2","7","6","1","4","3","1") = "6"
    & skf21("4","2","7","6","1","4","4","1") = "6"
    & skf21("4","2","7","6","1","4","5","1") = "6"
    & skf21("4","2","7","6","1","4","6","1") = "6"
    & skf21("4","2","7","6","1","4","7","1") = "6"
    & skf21("4","2","7","6","1","5","1","1") = "6"
    & skf21("4","2","7","6","1","5","2","1") = "6"
    & skf21("4","2","7","6","1","5","3","1") = "6"
    & skf21("4","2","7","6","1","5","4","1") = "6"
    & skf21("4","2","7","6","1","5","5","1") = "6"
    & skf21("4","2","7","6","1","5","6","1") = "6"
    & skf21("4","2","7","6","1","5","7","1") = "6"
    & skf21("4","2","7","6","1","6","1","1") = "6"
    & skf21("4","2","7","6","1","6","2","1") = "6"
    & skf21("4","2","7","6","1","6","3","1") = "6"
    & skf21("4","2","7","6","1","6","4","1") = "6"
    & skf21("4","2","7","6","1","6","5","1") = "6"
    & skf21("4","2","7","6","1","6","6","1") = "6"
    & skf21("4","2","7","6","1","6","7","1") = "6"
    & skf21("4","2","7","6","1","7","1","1") = "6"
    & skf21("4","2","7","6","1","7","2","1") = "6"
    & skf21("4","2","7","6","1","7","3","1") = "6"
    & skf21("4","2","7","6","1","7","4","1") = "6"
    & skf21("4","2","7","6","1","7","5","1") = "6"
    & skf21("4","2","7","6","1","7","6","1") = "6"
    & skf21("4","2","7","6","1","7","7","1") = "6"
    & skf21("4","2","7","6","2","1","1","1") = "6"
    & skf21("4","2","7","6","2","1","2","1") = "6"
    & skf21("4","2","7","6","2","1","3","1") = "6"
    & skf21("4","2","7","6","2","1","4","1") = "6"
    & skf21("4","2","7","6","2","1","5","1") = "6"
    & skf21("4","2","7","6","2","1","6","1") = "6"
    & skf21("4","2","7","6","2","1","7","1") = "6"
    & skf21("4","2","7","6","2","2","1","1") = "6"
    & skf21("4","2","7","6","2","2","2","1") = "6"
    & skf21("4","2","7","6","2","2","3","1") = "6"
    & skf21("4","2","7","6","2","2","4","1") = "6"
    & skf21("4","2","7","6","2","2","5","1") = "6"
    & skf21("4","2","7","6","2","2","6","1") = "6"
    & skf21("4","2","7","6","2","2","7","1") = "6"
    & skf21("4","2","7","6","2","3","1","1") = "6"
    & skf21("4","2","7","6","2","3","2","1") = "6"
    & skf21("4","2","7","6","2","3","3","1") = "6"
    & skf21("4","2","7","6","2","3","4","1") = "6"
    & skf21("4","2","7","6","2","3","5","1") = "6"
    & skf21("4","2","7","6","2","3","6","1") = "6"
    & skf21("4","2","7","6","2","3","7","1") = "6"
    & skf21("4","2","7","6","2","4","1","1") = "6"
    & skf21("4","2","7","6","2","4","2","1") = "6"
    & skf21("4","2","7","6","2","4","3","1") = "6"
    & skf21("4","2","7","6","2","4","4","1") = "6"
    & skf21("4","2","7","6","2","4","5","1") = "6"
    & skf21("4","2","7","6","2","4","6","1") = "6"
    & skf21("4","2","7","6","2","4","7","1") = "6"
    & skf21("4","2","7","6","2","5","1","1") = "6"
    & skf21("4","2","7","6","2","5","2","1") = "6"
    & skf21("4","2","7","6","2","5","3","1") = "6"
    & skf21("4","2","7","6","2","5","4","1") = "6"
    & skf21("4","2","7","6","2","5","5","1") = "6"
    & skf21("4","2","7","6","2","5","6","1") = "6"
    & skf21("4","2","7","6","2","5","7","1") = "6"
    & skf21("4","2","7","6","2","6","1","1") = "6"
    & skf21("4","2","7","6","2","6","2","1") = "6"
    & skf21("4","2","7","6","2","6","3","1") = "6"
    & skf21("4","2","7","6","2","6","4","1") = "6"
    & skf21("4","2","7","6","2","6","5","1") = "6"
    & skf21("4","2","7","6","2","6","6","1") = "6"
    & skf21("4","2","7","6","2","6","7","1") = "6"
    & skf21("4","2","7","6","2","7","1","1") = "6"
    & skf21("4","2","7","6","2","7","2","1") = "6"
    & skf21("4","2","7","6","2","7","3","1") = "6"
    & skf21("4","2","7","6","2","7","4","1") = "6"
    & skf21("4","2","7","6","2","7","5","1") = "6"
    & skf21("4","2","7","6","2","7","6","1") = "6"
    & skf21("4","2","7","6","2","7","7","1") = "6"
    & skf21("4","2","7","6","3","1","1","1") = "6"
    & skf21("4","2","7","6","3","1","2","1") = "6"
    & skf21("4","2","7","6","3","1","3","1") = "6"
    & skf21("4","2","7","6","3","1","4","1") = "6"
    & skf21("4","2","7","6","3","1","5","1") = "6"
    & skf21("4","2","7","6","3","1","6","1") = "6"
    & skf21("4","2","7","6","3","1","7","1") = "6"
    & skf21("4","2","7","6","3","2","1","1") = "6"
    & skf21("4","2","7","6","3","2","2","1") = "6"
    & skf21("4","2","7","6","3","2","3","1") = "6"
    & skf21("4","2","7","6","3","2","4","1") = "6"
    & skf21("4","2","7","6","3","2","5","1") = "6"
    & skf21("4","2","7","6","3","2","6","1") = "6"
    & skf21("4","2","7","6","3","2","7","1") = "6"
    & skf21("4","2","7","6","3","3","1","1") = "6"
    & skf21("4","2","7","6","3","3","2","1") = "6"
    & skf21("4","2","7","6","3","3","3","1") = "6"
    & skf21("4","2","7","6","3","3","4","1") = "6"
    & skf21("4","2","7","6","3","3","5","1") = "6"
    & skf21("4","2","7","6","3","3","6","1") = "6"
    & skf21("4","2","7","6","3","3","7","1") = "6"
    & skf21("4","2","7","6","3","4","1","1") = "6"
    & skf21("4","2","7","6","3","4","2","1") = "6"
    & skf21("4","2","7","6","3","4","3","1") = "6"
    & skf21("4","2","7","6","3","4","4","1") = "6"
    & skf21("4","2","7","6","3","4","5","1") = "6"
    & skf21("4","2","7","6","3","4","6","1") = "6"
    & skf21("4","2","7","6","3","4","7","1") = "6"
    & skf21("4","2","7","6","3","5","1","1") = "6"
    & skf21("4","2","7","6","3","5","2","1") = "6"
    & skf21("4","2","7","6","3","5","3","1") = "6"
    & skf21("4","2","7","6","3","5","4","1") = "6"
    & skf21("4","2","7","6","3","5","5","1") = "6"
    & skf21("4","2","7","6","3","5","6","1") = "6"
    & skf21("4","2","7","6","3","5","7","1") = "6"
    & skf21("4","2","7","6","3","6","1","1") = "6"
    & skf21("4","2","7","6","3","6","2","1") = "6"
    & skf21("4","2","7","6","3","6","3","1") = "6"
    & skf21("4","2","7","6","3","6","4","1") = "6"
    & skf21("4","2","7","6","3","6","5","1") = "6"
    & skf21("4","2","7","6","3","6","6","1") = "6"
    & skf21("4","2","7","6","3","6","7","1") = "6"
    & skf21("4","2","7","6","3","7","1","1") = "6"
    & skf21("4","2","7","6","3","7","2","1") = "6"
    & skf21("4","2","7","6","3","7","3","1") = "6"
    & skf21("4","2","7","6","3","7","4","1") = "6"
    & skf21("4","2","7","6","3","7","5","1") = "6"
    & skf21("4","2","7","6","3","7","6","1") = "6"
    & skf21("4","2","7","6","3","7","7","1") = "6"
    & skf21("4","2","7","6","4","1","1","1") = "6"
    & skf21("4","2","7","6","4","1","2","1") = "6"
    & skf21("4","2","7","6","4","1","3","1") = "6"
    & skf21("4","2","7","6","4","1","4","1") = "6"
    & skf21("4","2","7","6","4","1","5","1") = "6"
    & skf21("4","2","7","6","4","1","6","1") = "6"
    & skf21("4","2","7","6","4","1","7","1") = "6"
    & skf21("4","2","7","6","4","2","1","1") = "6"
    & skf21("4","2","7","6","4","2","2","1") = "6"
    & skf21("4","2","7","6","4","2","3","1") = "6"
    & skf21("4","2","7","6","4","2","4","1") = "6"
    & skf21("4","2","7","6","4","2","5","1") = "6"
    & skf21("4","2","7","6","4","2","6","1") = "6"
    & skf21("4","2","7","6","4","2","7","1") = "6"
    & skf21("4","2","7","6","4","3","1","1") = "6"
    & skf21("4","2","7","6","4","3","2","1") = "6"
    & skf21("4","2","7","6","4","3","3","1") = "6"
    & skf21("4","2","7","6","4","3","4","1") = "6"
    & skf21("4","2","7","6","4","3","5","1") = "6"
    & skf21("4","2","7","6","4","3","6","1") = "6"
    & skf21("4","2","7","6","4","3","7","1") = "6"
    & skf21("4","2","7","6","4","4","1","1") = "6"
    & skf21("4","2","7","6","4","4","2","1") = "6"
    & skf21("4","2","7","6","4","4","3","1") = "6"
    & skf21("4","2","7","6","4","4","4","1") = "6"
    & skf21("4","2","7","6","4","4","5","1") = "6"
    & skf21("4","2","7","6","4","4","6","1") = "6"
    & skf21("4","2","7","6","4","4","7","1") = "6"
    & skf21("4","2","7","6","4","5","1","1") = "6"
    & skf21("4","2","7","6","4","5","2","1") = "6"
    & skf21("4","2","7","6","4","5","3","1") = "6"
    & skf21("4","2","7","6","4","5","4","1") = "6"
    & skf21("4","2","7","6","4","5","5","1") = "6"
    & skf21("4","2","7","6","4","5","6","1") = "6"
    & skf21("4","2","7","6","4","5","7","1") = "6"
    & skf21("4","2","7","6","4","6","1","1") = "6"
    & skf21("4","2","7","6","4","6","2","1") = "6"
    & skf21("4","2","7","6","4","6","3","1") = "6"
    & skf21("4","2","7","6","4","6","4","1") = "6"
    & skf21("4","2","7","6","4","6","5","1") = "6"
    & skf21("4","2","7","6","4","6","6","1") = "6"
    & skf21("4","2","7","6","4","6","7","1") = "6"
    & skf21("4","2","7","6","4","7","1","1") = "6"
    & skf21("4","2","7","6","4","7","2","1") = "6"
    & skf21("4","2","7","6","4","7","3","1") = "6"
    & skf21("4","2","7","6","4","7","4","1") = "6"
    & skf21("4","2","7","6","4","7","5","1") = "6"
    & skf21("4","2","7","6","4","7","6","1") = "6"
    & skf21("4","2","7","6","4","7","7","1") = "6"
    & skf21("4","2","7","6","5","1","1","1") = "6"
    & skf21("4","2","7","6","5","1","2","1") = "6"
    & skf21("4","2","7","6","5","1","3","1") = "6"
    & skf21("4","2","7","6","5","1","4","1") = "6"
    & skf21("4","2","7","6","5","1","5","1") = "6"
    & skf21("4","2","7","6","5","1","6","1") = "6"
    & skf21("4","2","7","6","5","1","7","1") = "6"
    & skf21("4","2","7","6","5","2","1","1") = "6"
    & skf21("4","2","7","6","5","2","2","1") = "6"
    & skf21("4","2","7","6","5","2","3","1") = "6"
    & skf21("4","2","7","6","5","2","4","1") = "6"
    & skf21("4","2","7","6","5","2","5","1") = "6"
    & skf21("4","2","7","6","5","2","6","1") = "6"
    & skf21("4","2","7","6","5","2","7","1") = "6"
    & skf21("4","2","7","6","5","3","1","1") = "6"
    & skf21("4","2","7","6","5","3","2","1") = "6"
    & skf21("4","2","7","6","5","3","3","1") = "6"
    & skf21("4","2","7","6","5","3","4","1") = "6"
    & skf21("4","2","7","6","5","3","5","1") = "6"
    & skf21("4","2","7","6","5","3","6","1") = "6"
    & skf21("4","2","7","6","5","3","7","1") = "6"
    & skf21("4","2","7","6","5","4","1","1") = "6"
    & skf21("4","2","7","6","5","4","2","1") = "6"
    & skf21("4","2","7","6","5","4","3","1") = "6"
    & skf21("4","2","7","6","5","4","4","1") = "6"
    & skf21("4","2","7","6","5","4","5","1") = "6"
    & skf21("4","2","7","6","5","4","6","1") = "6"
    & skf21("4","2","7","6","5","4","7","1") = "6"
    & skf21("4","2","7","6","5","5","1","1") = "6"
    & skf21("4","2","7","6","5","5","2","1") = "6"
    & skf21("4","2","7","6","5","5","3","1") = "6"
    & skf21("4","2","7","6","5","5","4","1") = "6"
    & skf21("4","2","7","6","5","5","5","1") = "6"
    & skf21("4","2","7","6","5","5","6","1") = "6"
    & skf21("4","2","7","6","5","5","7","1") = "6"
    & skf21("4","2","7","6","5","6","1","1") = "6"
    & skf21("4","2","7","6","5","6","2","1") = "6"
    & skf21("4","2","7","6","5","6","3","1") = "6"
    & skf21("4","2","7","6","5","6","4","1") = "6"
    & skf21("4","2","7","6","5","6","5","1") = "6"
    & skf21("4","2","7","6","5","6","6","1") = "6"
    & skf21("4","2","7","6","5","6","7","1") = "6"
    & skf21("4","2","7","6","5","7","1","1") = "6"
    & skf21("4","2","7","6","5","7","2","1") = "6"
    & skf21("4","2","7","6","5","7","3","1") = "6"
    & skf21("4","2","7","6","5","7","4","1") = "6"
    & skf21("4","2","7","6","5","7","5","1") = "6"
    & skf21("4","2","7","6","5","7","6","1") = "6"
    & skf21("4","2","7","6","5","7","7","1") = "6"
    & skf21("4","2","7","6","6","1","1","1") = "6"
    & skf21("4","2","7","6","6","1","2","1") = "6"
    & skf21("4","2","7","6","6","1","3","1") = "6"
    & skf21("4","2","7","6","6","1","4","1") = "6"
    & skf21("4","2","7","6","6","1","5","1") = "6"
    & skf21("4","2","7","6","6","1","6","1") = "6"
    & skf21("4","2","7","6","6","1","7","1") = "6"
    & skf21("4","2","7","6","6","2","1","1") = "6"
    & skf21("4","2","7","6","6","2","2","1") = "6"
    & skf21("4","2","7","6","6","2","3","1") = "6"
    & skf21("4","2","7","6","6","2","4","1") = "6"
    & skf21("4","2","7","6","6","2","5","1") = "6"
    & skf21("4","2","7","6","6","2","6","1") = "6"
    & skf21("4","2","7","6","6","2","7","1") = "6"
    & skf21("4","2","7","6","6","3","1","1") = "6"
    & skf21("4","2","7","6","6","3","2","1") = "6"
    & skf21("4","2","7","6","6","3","3","1") = "6"
    & skf21("4","2","7","6","6","3","4","1") = "6"
    & skf21("4","2","7","6","6","3","5","1") = "6"
    & skf21("4","2","7","6","6","3","6","1") = "6"
    & skf21("4","2","7","6","6","3","7","1") = "6"
    & skf21("4","2","7","6","6","4","1","1") = "6"
    & skf21("4","2","7","6","6","4","2","1") = "6"
    & skf21("4","2","7","6","6","4","3","1") = "6"
    & skf21("4","2","7","6","6","4","4","1") = "6"
    & skf21("4","2","7","6","6","4","5","1") = "6"
    & skf21("4","2","7","6","6","4","6","1") = "6"
    & skf21("4","2","7","6","6","4","7","1") = "6"
    & skf21("4","2","7","6","6","5","1","1") = "6"
    & skf21("4","2","7","6","6","5","2","1") = "6"
    & skf21("4","2","7","6","6","5","3","1") = "6"
    & skf21("4","2","7","6","6","5","4","1") = "6"
    & skf21("4","2","7","6","6","5","5","1") = "6"
    & skf21("4","2","7","6","6","5","6","1") = "6"
    & skf21("4","2","7","6","6","5","7","1") = "6"
    & skf21("4","2","7","6","6","6","1","1") = "6"
    & skf21("4","2","7","6","6","6","2","1") = "6"
    & skf21("4","2","7","6","6","6","3","1") = "6"
    & skf21("4","2","7","6","6","6","4","1") = "6"
    & skf21("4","2","7","6","6","6","5","1") = "6"
    & skf21("4","2","7","6","6","6","6","1") = "6"
    & skf21("4","2","7","6","6","6","7","1") = "6"
    & skf21("4","2","7","6","6","7","1","1") = "6"
    & skf21("4","2","7","6","6","7","2","1") = "6"
    & skf21("4","2","7","6","6","7","3","1") = "6"
    & skf21("4","2","7","6","6","7","4","1") = "6"
    & skf21("4","2","7","6","6","7","5","1") = "6"
    & skf21("4","2","7","6","6","7","6","1") = "6"
    & skf21("4","2","7","6","6","7","7","1") = "6"
    & skf21("4","2","7","6","7","1","1","1") = "6"
    & skf21("4","2","7","6","7","1","2","1") = "6"
    & skf21("4","2","7","6","7","1","3","1") = "6"
    & skf21("4","2","7","6","7","1","4","1") = "6"
    & skf21("4","2","7","6","7","1","5","1") = "6"
    & skf21("4","2","7","6","7","1","6","1") = "6"
    & skf21("4","2","7","6","7","1","7","1") = "6"
    & skf21("4","2","7","6","7","2","1","1") = "6"
    & skf21("4","2","7","6","7","2","2","1") = "6"
    & skf21("4","2","7","6","7","2","3","1") = "6"
    & skf21("4","2","7","6","7","2","4","1") = "6"
    & skf21("4","2","7","6","7","2","5","1") = "6"
    & skf21("4","2","7","6","7","2","6","1") = "6"
    & skf21("4","2","7","6","7","2","7","1") = "6"
    & skf21("4","2","7","6","7","3","1","1") = "6"
    & skf21("4","2","7","6","7","3","2","1") = "6"
    & skf21("4","2","7","6","7","3","3","1") = "6"
    & skf21("4","2","7","6","7","3","4","1") = "6"
    & skf21("4","2","7","6","7","3","5","1") = "6"
    & skf21("4","2","7","6","7","3","6","1") = "6"
    & skf21("4","2","7","6","7","3","7","1") = "6"
    & skf21("4","2","7","6","7","4","1","1") = "6"
    & skf21("4","2","7","6","7","4","2","1") = "6"
    & skf21("4","2","7","6","7","4","3","1") = "6"
    & skf21("4","2","7","6","7","4","4","1") = "6"
    & skf21("4","2","7","6","7","4","5","1") = "6"
    & skf21("4","2","7","6","7","4","6","1") = "6"
    & skf21("4","2","7","6","7","4","7","1") = "6"
    & skf21("4","2","7","6","7","5","1","1") = "6"
    & skf21("4","2","7","6","7","5","2","1") = "6"
    & skf21("4","2","7","6","7","5","3","1") = "6"
    & skf21("4","2","7","6","7","5","4","1") = "6"
    & skf21("4","2","7","6","7","5","5","1") = "6"
    & skf21("4","2","7","6","7","5","6","1") = "6"
    & skf21("4","2","7","6","7","5","7","1") = "6"
    & skf21("4","2","7","6","7","6","1","1") = "6"
    & skf21("4","2","7","6","7","6","2","1") = "6"
    & skf21("4","2","7","6","7","6","3","1") = "6"
    & skf21("4","2","7","6","7","6","4","1") = "6"
    & skf21("4","2","7","6","7","6","5","1") = "6"
    & skf21("4","2","7","6","7","6","6","1") = "6"
    & skf21("4","2","7","6","7","6","7","1") = "6"
    & skf21("4","2","7","6","7","7","1","1") = "6"
    & skf21("4","2","7","6","7","7","2","1") = "6"
    & skf21("4","2","7","6","7","7","3","1") = "6"
    & skf21("4","2","7","6","7","7","4","1") = "6"
    & skf21("4","2","7","6","7","7","5","1") = "6"
    & skf21("4","2","7","6","7","7","6","1") = "6"
    & skf21("4","2","7","6","7","7","7","1") = "6"
    & skf21("4","2","7","7","1","1","1","1") = "6"
    & skf21("4","2","7","7","1","1","2","1") = "6"
    & skf21("4","2","7","7","1","1","3","1") = "6"
    & skf21("4","2","7","7","1","1","4","1") = "6"
    & skf21("4","2","7","7","1","1","5","1") = "6"
    & skf21("4","2","7","7","1","1","6","1") = "6"
    & skf21("4","2","7","7","1","1","7","1") = "6"
    & skf21("4","2","7","7","1","2","1","1") = "6"
    & skf21("4","2","7","7","1","2","2","1") = "6"
    & skf21("4","2","7","7","1","2","3","1") = "6"
    & skf21("4","2","7","7","1","2","4","1") = "6"
    & skf21("4","2","7","7","1","2","5","1") = "6"
    & skf21("4","2","7","7","1","2","6","1") = "6"
    & skf21("4","2","7","7","1","2","7","1") = "6"
    & skf21("4","2","7","7","1","3","1","1") = "6"
    & skf21("4","2","7","7","1","3","2","1") = "6"
    & skf21("4","2","7","7","1","3","3","1") = "6"
    & skf21("4","2","7","7","1","3","4","1") = "6"
    & skf21("4","2","7","7","1","3","5","1") = "6"
    & skf21("4","2","7","7","1","3","6","1") = "6"
    & skf21("4","2","7","7","1","3","7","1") = "6"
    & skf21("4","2","7","7","1","4","1","1") = "6"
    & skf21("4","2","7","7","1","4","2","1") = "6"
    & skf21("4","2","7","7","1","4","3","1") = "6"
    & skf21("4","2","7","7","1","4","4","1") = "6"
    & skf21("4","2","7","7","1","4","5","1") = "6"
    & skf21("4","2","7","7","1","4","6","1") = "6"
    & skf21("4","2","7","7","1","4","7","1") = "6"
    & skf21("4","2","7","7","1","5","1","1") = "6"
    & skf21("4","2","7","7","1","5","2","1") = "6"
    & skf21("4","2","7","7","1","5","3","1") = "6"
    & skf21("4","2","7","7","1","5","4","1") = "6"
    & skf21("4","2","7","7","1","5","5","1") = "6"
    & skf21("4","2","7","7","1","5","6","1") = "6"
    & skf21("4","2","7","7","1","5","7","1") = "6"
    & skf21("4","2","7","7","1","6","1","1") = "6"
    & skf21("4","2","7","7","1","6","2","1") = "6"
    & skf21("4","2","7","7","1","6","3","1") = "6"
    & skf21("4","2","7","7","1","6","4","1") = "6"
    & skf21("4","2","7","7","1","6","5","1") = "6"
    & skf21("4","2","7","7","1","6","6","1") = "6"
    & skf21("4","2","7","7","1","6","7","1") = "6"
    & skf21("4","2","7","7","1","7","1","1") = "6"
    & skf21("4","2","7","7","1","7","2","1") = "6"
    & skf21("4","2","7","7","1","7","3","1") = "6"
    & skf21("4","2","7","7","1","7","4","1") = "6"
    & skf21("4","2","7","7","1","7","5","1") = "6"
    & skf21("4","2","7","7","1","7","6","1") = "6"
    & skf21("4","2","7","7","1","7","7","1") = "6"
    & skf21("4","2","7","7","2","1","1","1") = "6"
    & skf21("4","2","7","7","2","1","2","1") = "6"
    & skf21("4","2","7","7","2","1","3","1") = "6"
    & skf21("4","2","7","7","2","1","4","1") = "6"
    & skf21("4","2","7","7","2","1","5","1") = "6"
    & skf21("4","2","7","7","2","1","6","1") = "6"
    & skf21("4","2","7","7","2","1","7","1") = "6"
    & skf21("4","2","7","7","2","2","1","1") = "6"
    & skf21("4","2","7","7","2","2","2","1") = "6"
    & skf21("4","2","7","7","2","2","3","1") = "6"
    & skf21("4","2","7","7","2","2","4","1") = "6"
    & skf21("4","2","7","7","2","2","5","1") = "6"
    & skf21("4","2","7","7","2","2","6","1") = "6"
    & skf21("4","2","7","7","2","2","7","1") = "6"
    & skf21("4","2","7","7","2","3","1","1") = "6"
    & skf21("4","2","7","7","2","3","2","1") = "6"
    & skf21("4","2","7","7","2","3","3","1") = "6"
    & skf21("4","2","7","7","2","3","4","1") = "6"
    & skf21("4","2","7","7","2","3","5","1") = "6"
    & skf21("4","2","7","7","2","3","6","1") = "6"
    & skf21("4","2","7","7","2","3","7","1") = "6"
    & skf21("4","2","7","7","2","4","1","1") = "6"
    & skf21("4","2","7","7","2","4","2","1") = "6"
    & skf21("4","2","7","7","2","4","3","1") = "6"
    & skf21("4","2","7","7","2","4","4","1") = "6"
    & skf21("4","2","7","7","2","4","5","1") = "6"
    & skf21("4","2","7","7","2","4","6","1") = "6"
    & skf21("4","2","7","7","2","4","7","1") = "6"
    & skf21("4","2","7","7","2","5","1","1") = "6"
    & skf21("4","2","7","7","2","5","2","1") = "6"
    & skf21("4","2","7","7","2","5","3","1") = "6"
    & skf21("4","2","7","7","2","5","4","1") = "6"
    & skf21("4","2","7","7","2","5","5","1") = "6"
    & skf21("4","2","7","7","2","5","6","1") = "6"
    & skf21("4","2","7","7","2","5","7","1") = "6"
    & skf21("4","2","7","7","2","6","1","1") = "6"
    & skf21("4","2","7","7","2","6","2","1") = "6"
    & skf21("4","2","7","7","2","6","3","1") = "6"
    & skf21("4","2","7","7","2","6","4","1") = "6"
    & skf21("4","2","7","7","2","6","5","1") = "6"
    & skf21("4","2","7","7","2","6","6","1") = "6"
    & skf21("4","2","7","7","2","6","7","1") = "6"
    & skf21("4","2","7","7","2","7","1","1") = "6"
    & skf21("4","2","7","7","2","7","2","1") = "6"
    & skf21("4","2","7","7","2","7","3","1") = "6"
    & skf21("4","2","7","7","2","7","4","1") = "6"
    & skf21("4","2","7","7","2","7","5","1") = "6"
    & skf21("4","2","7","7","2","7","6","1") = "6"
    & skf21("4","2","7","7","2","7","7","1") = "6"
    & skf21("4","2","7","7","3","1","1","1") = "6"
    & skf21("4","2","7","7","3","1","2","1") = "6"
    & skf21("4","2","7","7","3","1","3","1") = "6"
    & skf21("4","2","7","7","3","1","4","1") = "6"
    & skf21("4","2","7","7","3","1","5","1") = "6"
    & skf21("4","2","7","7","3","1","6","1") = "6"
    & skf21("4","2","7","7","3","1","7","1") = "6"
    & skf21("4","2","7","7","3","2","1","1") = "6"
    & skf21("4","2","7","7","3","2","2","1") = "6"
    & skf21("4","2","7","7","3","2","3","1") = "6"
    & skf21("4","2","7","7","3","2","4","1") = "6"
    & skf21("4","2","7","7","3","2","5","1") = "6"
    & skf21("4","2","7","7","3","2","6","1") = "6"
    & skf21("4","2","7","7","3","2","7","1") = "6"
    & skf21("4","2","7","7","3","3","1","1") = "6"
    & skf21("4","2","7","7","3","3","2","1") = "6"
    & skf21("4","2","7","7","3","3","3","1") = "6"
    & skf21("4","2","7","7","3","3","4","1") = "6"
    & skf21("4","2","7","7","3","3","5","1") = "6"
    & skf21("4","2","7","7","3","3","6","1") = "6"
    & skf21("4","2","7","7","3","3","7","1") = "6"
    & skf21("4","2","7","7","3","4","1","1") = "6"
    & skf21("4","2","7","7","3","4","2","1") = "6"
    & skf21("4","2","7","7","3","4","3","1") = "6"
    & skf21("4","2","7","7","3","4","4","1") = "6"
    & skf21("4","2","7","7","3","4","5","1") = "6"
    & skf21("4","2","7","7","3","4","6","1") = "6"
    & skf21("4","2","7","7","3","4","7","1") = "6"
    & skf21("4","2","7","7","3","5","1","1") = "6"
    & skf21("4","2","7","7","3","5","2","1") = "6"
    & skf21("4","2","7","7","3","5","3","1") = "6"
    & skf21("4","2","7","7","3","5","4","1") = "6"
    & skf21("4","2","7","7","3","5","5","1") = "6"
    & skf21("4","2","7","7","3","5","6","1") = "6"
    & skf21("4","2","7","7","3","5","7","1") = "6"
    & skf21("4","2","7","7","3","6","1","1") = "6"
    & skf21("4","2","7","7","3","6","2","1") = "6"
    & skf21("4","2","7","7","3","6","3","1") = "6"
    & skf21("4","2","7","7","3","6","4","1") = "6"
    & skf21("4","2","7","7","3","6","5","1") = "6"
    & skf21("4","2","7","7","3","6","6","1") = "6"
    & skf21("4","2","7","7","3","6","7","1") = "6"
    & skf21("4","2","7","7","3","7","1","1") = "6"
    & skf21("4","2","7","7","3","7","2","1") = "6"
    & skf21("4","2","7","7","3","7","3","1") = "6"
    & skf21("4","2","7","7","3","7","4","1") = "6"
    & skf21("4","2","7","7","3","7","5","1") = "6"
    & skf21("4","2","7","7","3","7","6","1") = "6"
    & skf21("4","2","7","7","3","7","7","1") = "6"
    & skf21("4","2","7","7","4","1","1","1") = "6"
    & skf21("4","2","7","7","4","1","2","1") = "6"
    & skf21("4","2","7","7","4","1","3","1") = "6"
    & skf21("4","2","7","7","4","1","4","1") = "6"
    & skf21("4","2","7","7","4","1","5","1") = "6"
    & skf21("4","2","7","7","4","1","6","1") = "6"
    & skf21("4","2","7","7","4","1","7","1") = "6"
    & skf21("4","2","7","7","4","2","1","1") = "6"
    & skf21("4","2","7","7","4","2","2","1") = "6"
    & skf21("4","2","7","7","4","2","3","1") = "6"
    & skf21("4","2","7","7","4","2","4","1") = "6"
    & skf21("4","2","7","7","4","2","5","1") = "6"
    & skf21("4","2","7","7","4","2","6","1") = "6"
    & skf21("4","2","7","7","4","2","7","1") = "6"
    & skf21("4","2","7","7","4","3","1","1") = "6"
    & skf21("4","2","7","7","4","3","2","1") = "6"
    & skf21("4","2","7","7","4","3","3","1") = "6"
    & skf21("4","2","7","7","4","3","4","1") = "6"
    & skf21("4","2","7","7","4","3","5","1") = "6"
    & skf21("4","2","7","7","4","3","6","1") = "6"
    & skf21("4","2","7","7","4","3","7","1") = "6"
    & skf21("4","2","7","7","4","4","1","1") = "6"
    & skf21("4","2","7","7","4","4","2","1") = "6"
    & skf21("4","2","7","7","4","4","3","1") = "6"
    & skf21("4","2","7","7","4","4","4","1") = "6"
    & skf21("4","2","7","7","4","4","5","1") = "6"
    & skf21("4","2","7","7","4","4","6","1") = "6"
    & skf21("4","2","7","7","4","4","7","1") = "6"
    & skf21("4","2","7","7","4","5","1","1") = "6"
    & skf21("4","2","7","7","4","5","2","1") = "6"
    & skf21("4","2","7","7","4","5","3","1") = "6"
    & skf21("4","2","7","7","4","5","4","1") = "6"
    & skf21("4","2","7","7","4","5","5","1") = "6"
    & skf21("4","2","7","7","4","5","6","1") = "6"
    & skf21("4","2","7","7","4","5","7","1") = "6"
    & skf21("4","2","7","7","4","6","1","1") = "6"
    & skf21("4","2","7","7","4","6","2","1") = "6"
    & skf21("4","2","7","7","4","6","3","1") = "6"
    & skf21("4","2","7","7","4","6","4","1") = "6"
    & skf21("4","2","7","7","4","6","5","1") = "6"
    & skf21("4","2","7","7","4","6","6","1") = "6"
    & skf21("4","2","7","7","4","6","7","1") = "6"
    & skf21("4","2","7","7","4","7","1","1") = "6"
    & skf21("4","2","7","7","4","7","2","1") = "6"
    & skf21("4","2","7","7","4","7","3","1") = "6"
    & skf21("4","2","7","7","4","7","4","1") = "6"
    & skf21("4","2","7","7","4","7","5","1") = "6"
    & skf21("4","2","7","7","4","7","6","1") = "6"
    & skf21("4","2","7","7","4","7","7","1") = "6"
    & skf21("4","2","7","7","5","1","1","1") = "6"
    & skf21("4","2","7","7","5","1","2","1") = "6"
    & skf21("4","2","7","7","5","1","3","1") = "6"
    & skf21("4","2","7","7","5","1","4","1") = "6"
    & skf21("4","2","7","7","5","1","5","1") = "6"
    & skf21("4","2","7","7","5","1","6","1") = "6"
    & skf21("4","2","7","7","5","1","7","1") = "6"
    & skf21("4","2","7","7","5","2","1","1") = "6"
    & skf21("4","2","7","7","5","2","2","1") = "6"
    & skf21("4","2","7","7","5","2","3","1") = "6"
    & skf21("4","2","7","7","5","2","4","1") = "6"
    & skf21("4","2","7","7","5","2","5","1") = "6"
    & skf21("4","2","7","7","5","2","6","1") = "6"
    & skf21("4","2","7","7","5","2","7","1") = "6"
    & skf21("4","2","7","7","5","3","1","1") = "6"
    & skf21("4","2","7","7","5","3","2","1") = "6"
    & skf21("4","2","7","7","5","3","3","1") = "6"
    & skf21("4","2","7","7","5","3","4","1") = "6"
    & skf21("4","2","7","7","5","3","5","1") = "6"
    & skf21("4","2","7","7","5","3","6","1") = "6"
    & skf21("4","2","7","7","5","3","7","1") = "6"
    & skf21("4","2","7","7","5","4","1","1") = "6"
    & skf21("4","2","7","7","5","4","2","1") = "6"
    & skf21("4","2","7","7","5","4","3","1") = "6"
    & skf21("4","2","7","7","5","4","4","1") = "6"
    & skf21("4","2","7","7","5","4","5","1") = "6"
    & skf21("4","2","7","7","5","4","6","1") = "6"
    & skf21("4","2","7","7","5","4","7","1") = "6"
    & skf21("4","2","7","7","5","5","1","1") = "6"
    & skf21("4","2","7","7","5","5","2","1") = "6"
    & skf21("4","2","7","7","5","5","3","1") = "6"
    & skf21("4","2","7","7","5","5","4","1") = "6"
    & skf21("4","2","7","7","5","5","5","1") = "6"
    & skf21("4","2","7","7","5","5","6","1") = "6"
    & skf21("4","2","7","7","5","5","7","1") = "6"
    & skf21("4","2","7","7","5","6","1","1") = "6"
    & skf21("4","2","7","7","5","6","2","1") = "6"
    & skf21("4","2","7","7","5","6","3","1") = "6"
    & skf21("4","2","7","7","5","6","4","1") = "6"
    & skf21("4","2","7","7","5","6","5","1") = "6"
    & skf21("4","2","7","7","5","6","6","1") = "6"
    & skf21("4","2","7","7","5","6","7","1") = "6"
    & skf21("4","2","7","7","5","7","1","1") = "6"
    & skf21("4","2","7","7","5","7","2","1") = "6"
    & skf21("4","2","7","7","5","7","3","1") = "6"
    & skf21("4","2","7","7","5","7","4","1") = "6"
    & skf21("4","2","7","7","5","7","5","1") = "6"
    & skf21("4","2","7","7","5","7","6","1") = "6"
    & skf21("4","2","7","7","5","7","7","1") = "6"
    & skf21("4","2","7","7","6","1","1","1") = "6"
    & skf21("4","2","7","7","6","1","2","1") = "6"
    & skf21("4","2","7","7","6","1","3","1") = "6"
    & skf21("4","2","7","7","6","1","4","1") = "6"
    & skf21("4","2","7","7","6","1","5","1") = "6"
    & skf21("4","2","7","7","6","1","6","1") = "6"
    & skf21("4","2","7","7","6","1","7","1") = "6"
    & skf21("4","2","7","7","6","2","1","1") = "6"
    & skf21("4","2","7","7","6","2","2","1") = "6"
    & skf21("4","2","7","7","6","2","3","1") = "6"
    & skf21("4","2","7","7","6","2","4","1") = "6"
    & skf21("4","2","7","7","6","2","5","1") = "6"
    & skf21("4","2","7","7","6","2","6","1") = "6"
    & skf21("4","2","7","7","6","2","7","1") = "6"
    & skf21("4","2","7","7","6","3","1","1") = "6"
    & skf21("4","2","7","7","6","3","2","1") = "6"
    & skf21("4","2","7","7","6","3","3","1") = "6"
    & skf21("4","2","7","7","6","3","4","1") = "6"
    & skf21("4","2","7","7","6","3","5","1") = "6"
    & skf21("4","2","7","7","6","3","6","1") = "6"
    & skf21("4","2","7","7","6","3","7","1") = "6"
    & skf21("4","2","7","7","6","4","1","1") = "6"
    & skf21("4","2","7","7","6","4","2","1") = "6"
    & skf21("4","2","7","7","6","4","3","1") = "6"
    & skf21("4","2","7","7","6","4","4","1") = "6"
    & skf21("4","2","7","7","6","4","5","1") = "6"
    & skf21("4","2","7","7","6","4","6","1") = "6"
    & skf21("4","2","7","7","6","4","7","1") = "6"
    & skf21("4","2","7","7","6","5","1","1") = "6"
    & skf21("4","2","7","7","6","5","2","1") = "6"
    & skf21("4","2","7","7","6","5","3","1") = "6"
    & skf21("4","2","7","7","6","5","4","1") = "6"
    & skf21("4","2","7","7","6","5","5","1") = "6"
    & skf21("4","2","7","7","6","5","6","1") = "6"
    & skf21("4","2","7","7","6","5","7","1") = "6"
    & skf21("4","2","7","7","6","6","1","1") = "6"
    & skf21("4","2","7","7","6","6","2","1") = "6"
    & skf21("4","2","7","7","6","6","3","1") = "6"
    & skf21("4","2","7","7","6","6","4","1") = "6"
    & skf21("4","2","7","7","6","6","5","1") = "6"
    & skf21("4","2","7","7","6","6","6","1") = "6"
    & skf21("4","2","7","7","6","6","7","1") = "6"
    & skf21("4","2","7","7","6","7","1","1") = "6"
    & skf21("4","2","7","7","6","7","2","1") = "6"
    & skf21("4","2","7","7","6","7","3","1") = "6"
    & skf21("4","2","7","7","6","7","4","1") = "6"
    & skf21("4","2","7","7","6","7","5","1") = "6"
    & skf21("4","2","7","7","6","7","6","1") = "6"
    & skf21("4","2","7","7","6","7","7","1") = "6"
    & skf21("4","2","7","7","7","1","1","1") = "6"
    & skf21("4","2","7","7","7","1","2","1") = "6"
    & skf21("4","2","7","7","7","1","3","1") = "6"
    & skf21("4","2","7","7","7","1","4","1") = "6"
    & skf21("4","2","7","7","7","1","5","1") = "6"
    & skf21("4","2","7","7","7","1","6","1") = "6"
    & skf21("4","2","7","7","7","1","7","1") = "6"
    & skf21("4","2","7","7","7","2","1","1") = "6"
    & skf21("4","2","7","7","7","2","2","1") = "6"
    & skf21("4","2","7","7","7","2","3","1") = "6"
    & skf21("4","2","7","7","7","2","4","1") = "6"
    & skf21("4","2","7","7","7","2","5","1") = "6"
    & skf21("4","2","7","7","7","2","6","1") = "6"
    & skf21("4","2","7","7","7","2","7","1") = "6"
    & skf21("4","2","7","7","7","3","1","1") = "6"
    & skf21("4","2","7","7","7","3","2","1") = "6"
    & skf21("4","2","7","7","7","3","3","1") = "6"
    & skf21("4","2","7","7","7","3","4","1") = "6"
    & skf21("4","2","7","7","7","3","5","1") = "6"
    & skf21("4","2","7","7","7","3","6","1") = "6"
    & skf21("4","2","7","7","7","3","7","1") = "6"
    & skf21("4","2","7","7","7","4","1","1") = "6"
    & skf21("4","2","7","7","7","4","2","1") = "6"
    & skf21("4","2","7","7","7","4","3","1") = "6"
    & skf21("4","2","7","7","7","4","4","1") = "6"
    & skf21("4","2","7","7","7","4","5","1") = "6"
    & skf21("4","2","7","7","7","4","6","1") = "6"
    & skf21("4","2","7","7","7","4","7","1") = "6"
    & skf21("4","2","7","7","7","5","1","1") = "6"
    & skf21("4","2","7","7","7","5","2","1") = "6"
    & skf21("4","2","7","7","7","5","3","1") = "6"
    & skf21("4","2","7","7","7","5","4","1") = "6"
    & skf21("4","2","7","7","7","5","5","1") = "6"
    & skf21("4","2","7","7","7","5","6","1") = "6"
    & skf21("4","2","7","7","7","5","7","1") = "6"
    & skf21("4","2","7","7","7","6","1","1") = "6"
    & skf21("4","2","7","7","7","6","2","1") = "6"
    & skf21("4","2","7","7","7","6","3","1") = "6"
    & skf21("4","2","7","7","7","6","4","1") = "6"
    & skf21("4","2","7","7","7","6","5","1") = "6"
    & skf21("4","2","7","7","7","6","6","1") = "6"
    & skf21("4","2","7","7","7","6","7","1") = "6"
    & skf21("4","2","7","7","7","7","1","1") = "6"
    & skf21("4","2","7","7","7","7","2","1") = "6"
    & skf21("4","2","7","7","7","7","3","1") = "6"
    & skf21("4","2","7","7","7","7","4","1") = "6"
    & skf21("4","2","7","7","7","7","5","1") = "6"
    & skf21("4","2","7","7","7","7","6","1") = "6"
    & skf21("4","2","7","7","7","7","7","1") = "6"
    & skf21("4","3","1","1","1","1","1","1") = "3"
    & skf21("4","3","1","1","1","1","2","1") = "3"
    & skf21("4","3","1","1","1","1","3","1") = "3"
    & skf21("4","3","1","1","1","1","4","1") = "3"
    & skf21("4","3","1","1","1","1","5","1") = "4"
    & skf21("4","3","1","1","1","1","6","1") = "5"
    & skf21("4","3","1","1","1","1","7","1") = "6"
    & skf21("4","3","1","1","1","2","1","1") = "3"
    & skf21("4","3","1","1","1","2","2","1") = "3"
    & skf21("4","3","1","1","1","2","3","1") = "3"
    & skf21("4","3","1","1","1","2","4","1") = "3"
    & skf21("4","3","1","1","1","2","5","1") = "4"
    & skf21("4","3","1","1","1","2","6","1") = "5"
    & skf21("4","3","1","1","1","2","7","1") = "6"
    & skf21("4","3","1","1","1","3","1","1") = "3"
    & skf21("4","3","1","1","1","3","2","1") = "3"
    & skf21("4","3","1","1","1","3","3","1") = "3"
    & skf21("4","3","1","1","1","3","4","1") = "3"
    & skf21("4","3","1","1","1","3","5","1") = "4"
    & skf21("4","3","1","1","1","3","6","1") = "5"
    & skf21("4","3","1","1","1","3","7","1") = "6"
    & skf21("4","3","1","1","1","4","1","1") = "3"
    & skf21("4","3","1","1","1","4","2","1") = "3"
    & skf21("4","3","1","1","1","4","3","1") = "3"
    & skf21("4","3","1","1","1","4","4","1") = "3"
    & skf21("4","3","1","1","1","4","5","1") = "4"
    & skf21("4","3","1","1","1","4","6","1") = "5"
    & skf21("4","3","1","1","1","4","7","1") = "6"
    & skf21("4","3","1","1","1","5","1","1") = "4"
    & skf21("4","3","1","1","1","5","2","1") = "4"
    & skf21("4","3","1","1","1","5","3","1") = "4"
    & skf21("4","3","1","1","1","5","4","1") = "4"
    & skf21("4","3","1","1","1","5","5","1") = "4"
    & skf21("4","3","1","1","1","5","6","1") = "5"
    & skf21("4","3","1","1","1","5","7","1") = "6"
    & skf21("4","3","1","1","1","6","1","1") = "5"
    & skf21("4","3","1","1","1","6","2","1") = "5"
    & skf21("4","3","1","1","1","6","3","1") = "5"
    & skf21("4","3","1","1","1","6","4","1") = "5"
    & skf21("4","3","1","1","1","6","5","1") = "5"
    & skf21("4","3","1","1","1","6","6","1") = "5"
    & skf21("4","3","1","1","1","6","7","1") = "6"
    & skf21("4","3","1","1","1","7","1","1") = "6"
    & skf21("4","3","1","1","1","7","2","1") = "6"
    & skf21("4","3","1","1","1","7","3","1") = "6"
    & skf21("4","3","1","1","1","7","4","1") = "6"
    & skf21("4","3","1","1","1","7","5","1") = "6"
    & skf21("4","3","1","1","1","7","6","1") = "6"
    & skf21("4","3","1","1","1","7","7","1") = "6"
    & skf21("4","3","1","1","2","1","1","1") = "3"
    & skf21("4","3","1","1","2","1","2","1") = "3"
    & skf21("4","3","1","1","2","1","3","1") = "3"
    & skf21("4","3","1","1","2","1","4","1") = "3"
    & skf21("4","3","1","1","2","1","5","1") = "4"
    & skf21("4","3","1","1","2","1","6","1") = "5"
    & skf21("4","3","1","1","2","1","7","1") = "6"
    & skf21("4","3","1","1","2","2","1","1") = "3"
    & skf21("4","3","1","1","2","2","2","1") = "3"
    & skf21("4","3","1","1","2","2","3","1") = "3"
    & skf21("4","3","1","1","2","2","4","1") = "3"
    & skf21("4","3","1","1","2","2","5","1") = "4"
    & skf21("4","3","1","1","2","2","6","1") = "5"
    & skf21("4","3","1","1","2","2","7","1") = "6"
    & skf21("4","3","1","1","2","3","1","1") = "3"
    & skf21("4","3","1","1","2","3","2","1") = "3"
    & skf21("4","3","1","1","2","3","3","1") = "3"
    & skf21("4","3","1","1","2","3","4","1") = "3"
    & skf21("4","3","1","1","2","3","5","1") = "4"
    & skf21("4","3","1","1","2","3","6","1") = "5"
    & skf21("4","3","1","1","2","3","7","1") = "6"
    & skf21("4","3","1","1","2","4","1","1") = "3"
    & skf21("4","3","1","1","2","4","2","1") = "3"
    & skf21("4","3","1","1","2","4","3","1") = "3"
    & skf21("4","3","1","1","2","4","4","1") = "3"
    & skf21("4","3","1","1","2","4","5","1") = "4"
    & skf21("4","3","1","1","2","4","6","1") = "5"
    & skf21("4","3","1","1","2","4","7","1") = "6"
    & skf21("4","3","1","1","2","5","1","1") = "4"
    & skf21("4","3","1","1","2","5","2","1") = "4"
    & skf21("4","3","1","1","2","5","3","1") = "4"
    & skf21("4","3","1","1","2","5","4","1") = "4"
    & skf21("4","3","1","1","2","5","5","1") = "4"
    & skf21("4","3","1","1","2","5","6","1") = "5"
    & skf21("4","3","1","1","2","5","7","1") = "6"
    & skf21("4","3","1","1","2","6","1","1") = "5"
    & skf21("4","3","1","1","2","6","2","1") = "5"
    & skf21("4","3","1","1","2","6","3","1") = "5"
    & skf21("4","3","1","1","2","6","4","1") = "5"
    & skf21("4","3","1","1","2","6","5","1") = "5"
    & skf21("4","3","1","1","2","6","6","1") = "5"
    & skf21("4","3","1","1","2","6","7","1") = "6"
    & skf21("4","3","1","1","2","7","1","1") = "6"
    & skf21("4","3","1","1","2","7","2","1") = "6"
    & skf21("4","3","1","1","2","7","3","1") = "6"
    & skf21("4","3","1","1","2","7","4","1") = "6"
    & skf21("4","3","1","1","2","7","5","1") = "6"
    & skf21("4","3","1","1","2","7","6","1") = "6"
    & skf21("4","3","1","1","2","7","7","1") = "6"
    & skf21("4","3","1","1","3","1","1","1") = "3"
    & skf21("4","3","1","1","3","1","2","1") = "3"
    & skf21("4","3","1","1","3","1","3","1") = "3"
    & skf21("4","3","1","1","3","1","4","1") = "3"
    & skf21("4","3","1","1","3","1","5","1") = "4"
    & skf21("4","3","1","1","3","1","6","1") = "5"
    & skf21("4","3","1","1","3","1","7","1") = "6"
    & skf21("4","3","1","1","3","2","1","1") = "3"
    & skf21("4","3","1","1","3","2","2","1") = "3"
    & skf21("4","3","1","1","3","2","3","1") = "3"
    & skf21("4","3","1","1","3","2","4","1") = "3"
    & skf21("4","3","1","1","3","2","5","1") = "4"
    & skf21("4","3","1","1","3","2","6","1") = "5"
    & skf21("4","3","1","1","3","2","7","1") = "6"
    & skf21("4","3","1","1","3","3","1","1") = "3"
    & skf21("4","3","1","1","3","3","2","1") = "3"
    & skf21("4","3","1","1","3","3","3","1") = "3"
    & skf21("4","3","1","1","3","3","4","1") = "3"
    & skf21("4","3","1","1","3","3","5","1") = "4"
    & skf21("4","3","1","1","3","3","6","1") = "5"
    & skf21("4","3","1","1","3","3","7","1") = "6"
    & skf21("4","3","1","1","3","4","1","1") = "3"
    & skf21("4","3","1","1","3","4","2","1") = "3"
    & skf21("4","3","1","1","3","4","3","1") = "3"
    & skf21("4","3","1","1","3","4","4","1") = "3"
    & skf21("4","3","1","1","3","4","5","1") = "4"
    & skf21("4","3","1","1","3","4","6","1") = "5"
    & skf21("4","3","1","1","3","4","7","1") = "6"
    & skf21("4","3","1","1","3","5","1","1") = "4"
    & skf21("4","3","1","1","3","5","2","1") = "4"
    & skf21("4","3","1","1","3","5","3","1") = "4"
    & skf21("4","3","1","1","3","5","4","1") = "4"
    & skf21("4","3","1","1","3","5","5","1") = "4"
    & skf21("4","3","1","1","3","5","6","1") = "5"
    & skf21("4","3","1","1","3","5","7","1") = "6"
    & skf21("4","3","1","1","3","6","1","1") = "5"
    & skf21("4","3","1","1","3","6","2","1") = "5"
    & skf21("4","3","1","1","3","6","3","1") = "5"
    & skf21("4","3","1","1","3","6","4","1") = "5"
    & skf21("4","3","1","1","3","6","5","1") = "5"
    & skf21("4","3","1","1","3","6","6","1") = "5"
    & skf21("4","3","1","1","3","6","7","1") = "6"
    & skf21("4","3","1","1","3","7","1","1") = "6"
    & skf21("4","3","1","1","3","7","2","1") = "6"
    & skf21("4","3","1","1","3","7","3","1") = "6"
    & skf21("4","3","1","1","3","7","4","1") = "6"
    & skf21("4","3","1","1","3","7","5","1") = "6"
    & skf21("4","3","1","1","3","7","6","1") = "6"
    & skf21("4","3","1","1","3","7","7","1") = "6"
    & skf21("4","3","1","1","4","1","1","1") = "3"
    & skf21("4","3","1","1","4","1","2","1") = "3"
    & skf21("4","3","1","1","4","1","3","1") = "3"
    & skf21("4","3","1","1","4","1","4","1") = "3"
    & skf21("4","3","1","1","4","1","5","1") = "4"
    & skf21("4","3","1","1","4","1","6","1") = "5"
    & skf21("4","3","1","1","4","1","7","1") = "6"
    & skf21("4","3","1","1","4","2","1","1") = "3"
    & skf21("4","3","1","1","4","2","2","1") = "3"
    & skf21("4","3","1","1","4","2","3","1") = "3"
    & skf21("4","3","1","1","4","2","4","1") = "3"
    & skf21("4","3","1","1","4","2","5","1") = "4"
    & skf21("4","3","1","1","4","2","6","1") = "5"
    & skf21("4","3","1","1","4","2","7","1") = "6"
    & skf21("4","3","1","1","4","3","1","1") = "3"
    & skf21("4","3","1","1","4","3","2","1") = "3"
    & skf21("4","3","1","1","4","3","3","1") = "3"
    & skf21("4","3","1","1","4","3","4","1") = "3"
    & skf21("4","3","1","1","4","3","5","1") = "4"
    & skf21("4","3","1","1","4","3","6","1") = "5"
    & skf21("4","3","1","1","4","3","7","1") = "6"
    & skf21("4","3","1","1","4","4","1","1") = "3"
    & skf21("4","3","1","1","4","4","2","1") = "3"
    & skf21("4","3","1","1","4","4","3","1") = "3"
    & skf21("4","3","1","1","4","4","4","1") = "3"
    & skf21("4","3","1","1","4","4","5","1") = "4"
    & skf21("4","3","1","1","4","4","6","1") = "5"
    & skf21("4","3","1","1","4","4","7","1") = "6"
    & skf21("4","3","1","1","4","5","1","1") = "4"
    & skf21("4","3","1","1","4","5","2","1") = "4"
    & skf21("4","3","1","1","4","5","3","1") = "4"
    & skf21("4","3","1","1","4","5","4","1") = "4"
    & skf21("4","3","1","1","4","5","5","1") = "4"
    & skf21("4","3","1","1","4","5","6","1") = "5"
    & skf21("4","3","1","1","4","5","7","1") = "6"
    & skf21("4","3","1","1","4","6","1","1") = "5"
    & skf21("4","3","1","1","4","6","2","1") = "5"
    & skf21("4","3","1","1","4","6","3","1") = "5"
    & skf21("4","3","1","1","4","6","4","1") = "5"
    & skf21("4","3","1","1","4","6","5","1") = "5"
    & skf21("4","3","1","1","4","6","6","1") = "5"
    & skf21("4","3","1","1","4","6","7","1") = "6"
    & skf21("4","3","1","1","4","7","1","1") = "6"
    & skf21("4","3","1","1","4","7","2","1") = "6"
    & skf21("4","3","1","1","4","7","3","1") = "6"
    & skf21("4","3","1","1","4","7","4","1") = "6"
    & skf21("4","3","1","1","4","7","5","1") = "6"
    & skf21("4","3","1","1","4","7","6","1") = "6"
    & skf21("4","3","1","1","4","7","7","1") = "6"
    & skf21("4","3","1","1","5","1","1","1") = "4"
    & skf21("4","3","1","1","5","1","2","1") = "4"
    & skf21("4","3","1","1","5","1","3","1") = "4"
    & skf21("4","3","1","1","5","1","4","1") = "4"
    & skf21("4","3","1","1","5","1","5","1") = "4"
    & skf21("4","3","1","1","5","1","6","1") = "5"
    & skf21("4","3","1","1","5","1","7","1") = "6"
    & skf21("4","3","1","1","5","2","1","1") = "4"
    & skf21("4","3","1","1","5","2","2","1") = "4"
    & skf21("4","3","1","1","5","2","3","1") = "4"
    & skf21("4","3","1","1","5","2","4","1") = "4"
    & skf21("4","3","1","1","5","2","5","1") = "4"
    & skf21("4","3","1","1","5","2","6","1") = "5"
    & skf21("4","3","1","1","5","2","7","1") = "6"
    & skf21("4","3","1","1","5","3","1","1") = "4"
    & skf21("4","3","1","1","5","3","2","1") = "4"
    & skf21("4","3","1","1","5","3","3","1") = "4"
    & skf21("4","3","1","1","5","3","4","1") = "4"
    & skf21("4","3","1","1","5","3","5","1") = "4"
    & skf21("4","3","1","1","5","3","6","1") = "5"
    & skf21("4","3","1","1","5","3","7","1") = "6"
    & skf21("4","3","1","1","5","4","1","1") = "4"
    & skf21("4","3","1","1","5","4","2","1") = "4"
    & skf21("4","3","1","1","5","4","3","1") = "4"
    & skf21("4","3","1","1","5","4","4","1") = "4"
    & skf21("4","3","1","1","5","4","5","1") = "4"
    & skf21("4","3","1","1","5","4","6","1") = "5"
    & skf21("4","3","1","1","5","4","7","1") = "6"
    & skf21("4","3","1","1","5","5","1","1") = "4"
    & skf21("4","3","1","1","5","5","2","1") = "4"
    & skf21("4","3","1","1","5","5","3","1") = "4"
    & skf21("4","3","1","1","5","5","4","1") = "4"
    & skf21("4","3","1","1","5","5","5","1") = "4"
    & skf21("4","3","1","1","5","5","6","1") = "5"
    & skf21("4","3","1","1","5","5","7","1") = "6"
    & skf21("4","3","1","1","5","6","1","1") = "5"
    & skf21("4","3","1","1","5","6","2","1") = "5"
    & skf21("4","3","1","1","5","6","3","1") = "5"
    & skf21("4","3","1","1","5","6","4","1") = "5"
    & skf21("4","3","1","1","5","6","5","1") = "5"
    & skf21("4","3","1","1","5","6","6","1") = "5"
    & skf21("4","3","1","1","5","6","7","1") = "6"
    & skf21("4","3","1","1","5","7","1","1") = "6"
    & skf21("4","3","1","1","5","7","2","1") = "6"
    & skf21("4","3","1","1","5","7","3","1") = "6"
    & skf21("4","3","1","1","5","7","4","1") = "6"
    & skf21("4","3","1","1","5","7","5","1") = "6"
    & skf21("4","3","1","1","5","7","6","1") = "6"
    & skf21("4","3","1","1","5","7","7","1") = "6"
    & skf21("4","3","1","1","6","1","1","1") = "5"
    & skf21("4","3","1","1","6","1","2","1") = "5"
    & skf21("4","3","1","1","6","1","3","1") = "5"
    & skf21("4","3","1","1","6","1","4","1") = "5"
    & skf21("4","3","1","1","6","1","5","1") = "5"
    & skf21("4","3","1","1","6","1","6","1") = "5"
    & skf21("4","3","1","1","6","1","7","1") = "6"
    & skf21("4","3","1","1","6","2","1","1") = "5"
    & skf21("4","3","1","1","6","2","2","1") = "5"
    & skf21("4","3","1","1","6","2","3","1") = "5"
    & skf21("4","3","1","1","6","2","4","1") = "5"
    & skf21("4","3","1","1","6","2","5","1") = "5"
    & skf21("4","3","1","1","6","2","6","1") = "5"
    & skf21("4","3","1","1","6","2","7","1") = "6"
    & skf21("4","3","1","1","6","3","1","1") = "5"
    & skf21("4","3","1","1","6","3","2","1") = "5"
    & skf21("4","3","1","1","6","3","3","1") = "5"
    & skf21("4","3","1","1","6","3","4","1") = "5"
    & skf21("4","3","1","1","6","3","5","1") = "5"
    & skf21("4","3","1","1","6","3","6","1") = "5"
    & skf21("4","3","1","1","6","3","7","1") = "6"
    & skf21("4","3","1","1","6","4","1","1") = "5"
    & skf21("4","3","1","1","6","4","2","1") = "5"
    & skf21("4","3","1","1","6","4","3","1") = "5"
    & skf21("4","3","1","1","6","4","4","1") = "5"
    & skf21("4","3","1","1","6","4","5","1") = "5"
    & skf21("4","3","1","1","6","4","6","1") = "5"
    & skf21("4","3","1","1","6","4","7","1") = "6"
    & skf21("4","3","1","1","6","5","1","1") = "5"
    & skf21("4","3","1","1","6","5","2","1") = "5"
    & skf21("4","3","1","1","6","5","3","1") = "5"
    & skf21("4","3","1","1","6","5","4","1") = "5"
    & skf21("4","3","1","1","6","5","5","1") = "5"
    & skf21("4","3","1","1","6","5","6","1") = "5"
    & skf21("4","3","1","1","6","5","7","1") = "6"
    & skf21("4","3","1","1","6","6","1","1") = "5"
    & skf21("4","3","1","1","6","6","2","1") = "5"
    & skf21("4","3","1","1","6","6","3","1") = "5"
    & skf21("4","3","1","1","6","6","4","1") = "5"
    & skf21("4","3","1","1","6","6","5","1") = "5"
    & skf21("4","3","1","1","6","6","6","1") = "5"
    & skf21("4","3","1","1","6","6","7","1") = "6"
    & skf21("4","3","1","1","6","7","1","1") = "6"
    & skf21("4","3","1","1","6","7","2","1") = "6"
    & skf21("4","3","1","1","6","7","3","1") = "6"
    & skf21("4","3","1","1","6","7","4","1") = "6"
    & skf21("4","3","1","1","6","7","5","1") = "6"
    & skf21("4","3","1","1","6","7","6","1") = "6"
    & skf21("4","3","1","1","6","7","7","1") = "6"
    & skf21("4","3","1","1","7","1","1","1") = "6"
    & skf21("4","3","1","1","7","1","2","1") = "6"
    & skf21("4","3","1","1","7","1","3","1") = "6"
    & skf21("4","3","1","1","7","1","4","1") = "6"
    & skf21("4","3","1","1","7","1","5","1") = "6"
    & skf21("4","3","1","1","7","1","6","1") = "6"
    & skf21("4","3","1","1","7","1","7","1") = "6"
    & skf21("4","3","1","1","7","2","1","1") = "6"
    & skf21("4","3","1","1","7","2","2","1") = "6"
    & skf21("4","3","1","1","7","2","3","1") = "6"
    & skf21("4","3","1","1","7","2","4","1") = "6"
    & skf21("4","3","1","1","7","2","5","1") = "6"
    & skf21("4","3","1","1","7","2","6","1") = "6"
    & skf21("4","3","1","1","7","2","7","1") = "6"
    & skf21("4","3","1","1","7","3","1","1") = "6"
    & skf21("4","3","1","1","7","3","2","1") = "6"
    & skf21("4","3","1","1","7","3","3","1") = "6"
    & skf21("4","3","1","1","7","3","4","1") = "6"
    & skf21("4","3","1","1","7","3","5","1") = "6"
    & skf21("4","3","1","1","7","3","6","1") = "6"
    & skf21("4","3","1","1","7","3","7","1") = "6"
    & skf21("4","3","1","1","7","4","1","1") = "6"
    & skf21("4","3","1","1","7","4","2","1") = "6"
    & skf21("4","3","1","1","7","4","3","1") = "6"
    & skf21("4","3","1","1","7","4","4","1") = "6"
    & skf21("4","3","1","1","7","4","5","1") = "6"
    & skf21("4","3","1","1","7","4","6","1") = "6"
    & skf21("4","3","1","1","7","4","7","1") = "6"
    & skf21("4","3","1","1","7","5","1","1") = "6"
    & skf21("4","3","1","1","7","5","2","1") = "6"
    & skf21("4","3","1","1","7","5","3","1") = "6"
    & skf21("4","3","1","1","7","5","4","1") = "6"
    & skf21("4","3","1","1","7","5","5","1") = "6"
    & skf21("4","3","1","1","7","5","6","1") = "6"
    & skf21("4","3","1","1","7","5","7","1") = "6"
    & skf21("4","3","1","1","7","6","1","1") = "6"
    & skf21("4","3","1","1","7","6","2","1") = "6"
    & skf21("4","3","1","1","7","6","3","1") = "6"
    & skf21("4","3","1","1","7","6","4","1") = "6"
    & skf21("4","3","1","1","7","6","5","1") = "6"
    & skf21("4","3","1","1","7","6","6","1") = "6"
    & skf21("4","3","1","1","7","6","7","1") = "6"
    & skf21("4","3","1","1","7","7","1","1") = "6"
    & skf21("4","3","1","1","7","7","2","1") = "6"
    & skf21("4","3","1","1","7","7","3","1") = "6"
    & skf21("4","3","1","1","7","7","4","1") = "6"
    & skf21("4","3","1","1","7","7","5","1") = "6"
    & skf21("4","3","1","1","7","7","6","1") = "6"
    & skf21("4","3","1","1","7","7","7","1") = "6"
    & skf21("4","3","1","2","1","1","1","1") = "3"
    & skf21("4","3","1","2","1","1","2","1") = "3"
    & skf21("4","3","1","2","1","1","3","1") = "3"
    & skf21("4","3","1","2","1","1","4","1") = "3"
    & skf21("4","3","1","2","1","1","5","1") = "4"
    & skf21("4","3","1","2","1","1","6","1") = "5"
    & skf21("4","3","1","2","1","1","7","1") = "6"
    & skf21("4","3","1","2","1","2","1","1") = "3"
    & skf21("4","3","1","2","1","2","2","1") = "3"
    & skf21("4","3","1","2","1","2","3","1") = "3"
    & skf21("4","3","1","2","1","2","4","1") = "3"
    & skf21("4","3","1","2","1","2","5","1") = "4"
    & skf21("4","3","1","2","1","2","6","1") = "5"
    & skf21("4","3","1","2","1","2","7","1") = "6"
    & skf21("4","3","1","2","1","3","1","1") = "3"
    & skf21("4","3","1","2","1","3","2","1") = "3"
    & skf21("4","3","1","2","1","3","3","1") = "3"
    & skf21("4","3","1","2","1","3","4","1") = "3"
    & skf21("4","3","1","2","1","3","5","1") = "4"
    & skf21("4","3","1","2","1","3","6","1") = "5"
    & skf21("4","3","1","2","1","3","7","1") = "6"
    & skf21("4","3","1","2","1","4","1","1") = "3"
    & skf21("4","3","1","2","1","4","2","1") = "3"
    & skf21("4","3","1","2","1","4","3","1") = "3"
    & skf21("4","3","1","2","1","4","4","1") = "3"
    & skf21("4","3","1","2","1","4","5","1") = "4"
    & skf21("4","3","1","2","1","4","6","1") = "5"
    & skf21("4","3","1","2","1","4","7","1") = "6"
    & skf21("4","3","1","2","1","5","1","1") = "4"
    & skf21("4","3","1","2","1","5","2","1") = "4"
    & skf21("4","3","1","2","1","5","3","1") = "4"
    & skf21("4","3","1","2","1","5","4","1") = "4"
    & skf21("4","3","1","2","1","5","5","1") = "4"
    & skf21("4","3","1","2","1","5","6","1") = "5"
    & skf21("4","3","1","2","1","5","7","1") = "6"
    & skf21("4","3","1","2","1","6","1","1") = "5"
    & skf21("4","3","1","2","1","6","2","1") = "5"
    & skf21("4","3","1","2","1","6","3","1") = "5"
    & skf21("4","3","1","2","1","6","4","1") = "5"
    & skf21("4","3","1","2","1","6","5","1") = "5"
    & skf21("4","3","1","2","1","6","6","1") = "5"
    & skf21("4","3","1","2","1","6","7","1") = "6"
    & skf21("4","3","1","2","1","7","1","1") = "6"
    & skf21("4","3","1","2","1","7","2","1") = "6"
    & skf21("4","3","1","2","1","7","3","1") = "6"
    & skf21("4","3","1","2","1","7","4","1") = "6"
    & skf21("4","3","1","2","1","7","5","1") = "6"
    & skf21("4","3","1","2","1","7","6","1") = "6"
    & skf21("4","3","1","2","1","7","7","1") = "6"
    & skf21("4","3","1","2","2","1","1","1") = "3"
    & skf21("4","3","1","2","2","1","2","1") = "3"
    & skf21("4","3","1","2","2","1","3","1") = "3"
    & skf21("4","3","1","2","2","1","4","1") = "3"
    & skf21("4","3","1","2","2","1","5","1") = "4"
    & skf21("4","3","1","2","2","1","6","1") = "5"
    & skf21("4","3","1","2","2","1","7","1") = "6"
    & skf21("4","3","1","2","2","2","1","1") = "3"
    & skf21("4","3","1","2","2","2","2","1") = "3"
    & skf21("4","3","1","2","2","2","3","1") = "3"
    & skf21("4","3","1","2","2","2","4","1") = "3"
    & skf21("4","3","1","2","2","2","5","1") = "4"
    & skf21("4","3","1","2","2","2","6","1") = "5"
    & skf21("4","3","1","2","2","2","7","1") = "6"
    & skf21("4","3","1","2","2","3","1","1") = "3"
    & skf21("4","3","1","2","2","3","2","1") = "3"
    & skf21("4","3","1","2","2","3","3","1") = "3"
    & skf21("4","3","1","2","2","3","4","1") = "3"
    & skf21("4","3","1","2","2","3","5","1") = "4"
    & skf21("4","3","1","2","2","3","6","1") = "5"
    & skf21("4","3","1","2","2","3","7","1") = "6"
    & skf21("4","3","1","2","2","4","1","1") = "3"
    & skf21("4","3","1","2","2","4","2","1") = "3"
    & skf21("4","3","1","2","2","4","3","1") = "3"
    & skf21("4","3","1","2","2","4","4","1") = "3"
    & skf21("4","3","1","2","2","4","5","1") = "4"
    & skf21("4","3","1","2","2","4","6","1") = "5"
    & skf21("4","3","1","2","2","4","7","1") = "6"
    & skf21("4","3","1","2","2","5","1","1") = "4"
    & skf21("4","3","1","2","2","5","2","1") = "4"
    & skf21("4","3","1","2","2","5","3","1") = "4"
    & skf21("4","3","1","2","2","5","4","1") = "4"
    & skf21("4","3","1","2","2","5","5","1") = "4"
    & skf21("4","3","1","2","2","5","6","1") = "5"
    & skf21("4","3","1","2","2","5","7","1") = "6"
    & skf21("4","3","1","2","2","6","1","1") = "5"
    & skf21("4","3","1","2","2","6","2","1") = "5"
    & skf21("4","3","1","2","2","6","3","1") = "5"
    & skf21("4","3","1","2","2","6","4","1") = "5"
    & skf21("4","3","1","2","2","6","5","1") = "5"
    & skf21("4","3","1","2","2","6","6","1") = "5"
    & skf21("4","3","1","2","2","6","7","1") = "6"
    & skf21("4","3","1","2","2","7","1","1") = "6"
    & skf21("4","3","1","2","2","7","2","1") = "6"
    & skf21("4","3","1","2","2","7","3","1") = "6"
    & skf21("4","3","1","2","2","7","4","1") = "6"
    & skf21("4","3","1","2","2","7","5","1") = "6"
    & skf21("4","3","1","2","2","7","6","1") = "6"
    & skf21("4","3","1","2","2","7","7","1") = "6"
    & skf21("4","3","1","2","3","1","1","1") = "3"
    & skf21("4","3","1","2","3","1","2","1") = "3"
    & skf21("4","3","1","2","3","1","3","1") = "3"
    & skf21("4","3","1","2","3","1","4","1") = "3"
    & skf21("4","3","1","2","3","1","5","1") = "4"
    & skf21("4","3","1","2","3","1","6","1") = "5"
    & skf21("4","3","1","2","3","1","7","1") = "6"
    & skf21("4","3","1","2","3","2","1","1") = "3"
    & skf21("4","3","1","2","3","2","2","1") = "3"
    & skf21("4","3","1","2","3","2","3","1") = "3"
    & skf21("4","3","1","2","3","2","4","1") = "3"
    & skf21("4","3","1","2","3","2","5","1") = "4"
    & skf21("4","3","1","2","3","2","6","1") = "5"
    & skf21("4","3","1","2","3","2","7","1") = "6"
    & skf21("4","3","1","2","3","3","1","1") = "3"
    & skf21("4","3","1","2","3","3","2","1") = "3"
    & skf21("4","3","1","2","3","3","3","1") = "3"
    & skf21("4","3","1","2","3","3","4","1") = "3"
    & skf21("4","3","1","2","3","3","5","1") = "4"
    & skf21("4","3","1","2","3","3","6","1") = "5"
    & skf21("4","3","1","2","3","3","7","1") = "6"
    & skf21("4","3","1","2","3","4","1","1") = "3"
    & skf21("4","3","1","2","3","4","2","1") = "3"
    & skf21("4","3","1","2","3","4","3","1") = "3"
    & skf21("4","3","1","2","3","4","4","1") = "3"
    & skf21("4","3","1","2","3","4","5","1") = "4"
    & skf21("4","3","1","2","3","4","6","1") = "5"
    & skf21("4","3","1","2","3","4","7","1") = "6"
    & skf21("4","3","1","2","3","5","1","1") = "4"
    & skf21("4","3","1","2","3","5","2","1") = "4"
    & skf21("4","3","1","2","3","5","3","1") = "4"
    & skf21("4","3","1","2","3","5","4","1") = "4"
    & skf21("4","3","1","2","3","5","5","1") = "4"
    & skf21("4","3","1","2","3","5","6","1") = "5"
    & skf21("4","3","1","2","3","5","7","1") = "6"
    & skf21("4","3","1","2","3","6","1","1") = "5"
    & skf21("4","3","1","2","3","6","2","1") = "5"
    & skf21("4","3","1","2","3","6","3","1") = "5"
    & skf21("4","3","1","2","3","6","4","1") = "5"
    & skf21("4","3","1","2","3","6","5","1") = "5"
    & skf21("4","3","1","2","3","6","6","1") = "5"
    & skf21("4","3","1","2","3","6","7","1") = "6"
    & skf21("4","3","1","2","3","7","1","1") = "6"
    & skf21("4","3","1","2","3","7","2","1") = "6"
    & skf21("4","3","1","2","3","7","3","1") = "6"
    & skf21("4","3","1","2","3","7","4","1") = "6"
    & skf21("4","3","1","2","3","7","5","1") = "6"
    & skf21("4","3","1","2","3","7","6","1") = "6"
    & skf21("4","3","1","2","3","7","7","1") = "6"
    & skf21("4","3","1","2","4","1","1","1") = "3"
    & skf21("4","3","1","2","4","1","2","1") = "3"
    & skf21("4","3","1","2","4","1","3","1") = "3"
    & skf21("4","3","1","2","4","1","4","1") = "3"
    & skf21("4","3","1","2","4","1","5","1") = "4"
    & skf21("4","3","1","2","4","1","6","1") = "5"
    & skf21("4","3","1","2","4","1","7","1") = "6"
    & skf21("4","3","1","2","4","2","1","1") = "3"
    & skf21("4","3","1","2","4","2","2","1") = "3"
    & skf21("4","3","1","2","4","2","3","1") = "3"
    & skf21("4","3","1","2","4","2","4","1") = "3"
    & skf21("4","3","1","2","4","2","5","1") = "4"
    & skf21("4","3","1","2","4","2","6","1") = "5"
    & skf21("4","3","1","2","4","2","7","1") = "6"
    & skf21("4","3","1","2","4","3","1","1") = "3"
    & skf21("4","3","1","2","4","3","2","1") = "3"
    & skf21("4","3","1","2","4","3","3","1") = "3"
    & skf21("4","3","1","2","4","3","4","1") = "3"
    & skf21("4","3","1","2","4","3","5","1") = "4"
    & skf21("4","3","1","2","4","3","6","1") = "5"
    & skf21("4","3","1","2","4","3","7","1") = "6"
    & skf21("4","3","1","2","4","4","1","1") = "3"
    & skf21("4","3","1","2","4","4","2","1") = "3"
    & skf21("4","3","1","2","4","4","3","1") = "3"
    & skf21("4","3","1","2","4","4","4","1") = "3"
    & skf21("4","3","1","2","4","4","5","1") = "4"
    & skf21("4","3","1","2","4","4","6","1") = "5"
    & skf21("4","3","1","2","4","4","7","1") = "6"
    & skf21("4","3","1","2","4","5","1","1") = "4"
    & skf21("4","3","1","2","4","5","2","1") = "4"
    & skf21("4","3","1","2","4","5","3","1") = "4"
    & skf21("4","3","1","2","4","5","4","1") = "4"
    & skf21("4","3","1","2","4","5","5","1") = "4"
    & skf21("4","3","1","2","4","5","6","1") = "5"
    & skf21("4","3","1","2","4","5","7","1") = "6"
    & skf21("4","3","1","2","4","6","1","1") = "5"
    & skf21("4","3","1","2","4","6","2","1") = "5"
    & skf21("4","3","1","2","4","6","3","1") = "5"
    & skf21("4","3","1","2","4","6","4","1") = "5"
    & skf21("4","3","1","2","4","6","5","1") = "5"
    & skf21("4","3","1","2","4","6","6","1") = "5"
    & skf21("4","3","1","2","4","6","7","1") = "6"
    & skf21("4","3","1","2","4","7","1","1") = "6"
    & skf21("4","3","1","2","4","7","2","1") = "6"
    & skf21("4","3","1","2","4","7","3","1") = "6"
    & skf21("4","3","1","2","4","7","4","1") = "6"
    & skf21("4","3","1","2","4","7","5","1") = "6"
    & skf21("4","3","1","2","4","7","6","1") = "6"
    & skf21("4","3","1","2","4","7","7","1") = "6"
    & skf21("4","3","1","2","5","1","1","1") = "4"
    & skf21("4","3","1","2","5","1","2","1") = "4"
    & skf21("4","3","1","2","5","1","3","1") = "4"
    & skf21("4","3","1","2","5","1","4","1") = "4"
    & skf21("4","3","1","2","5","1","5","1") = "4"
    & skf21("4","3","1","2","5","1","6","1") = "5"
    & skf21("4","3","1","2","5","1","7","1") = "6"
    & skf21("4","3","1","2","5","2","1","1") = "4"
    & skf21("4","3","1","2","5","2","2","1") = "4"
    & skf21("4","3","1","2","5","2","3","1") = "4"
    & skf21("4","3","1","2","5","2","4","1") = "4"
    & skf21("4","3","1","2","5","2","5","1") = "4"
    & skf21("4","3","1","2","5","2","6","1") = "5"
    & skf21("4","3","1","2","5","2","7","1") = "6"
    & skf21("4","3","1","2","5","3","1","1") = "4"
    & skf21("4","3","1","2","5","3","2","1") = "4"
    & skf21("4","3","1","2","5","3","3","1") = "4"
    & skf21("4","3","1","2","5","3","4","1") = "4"
    & skf21("4","3","1","2","5","3","5","1") = "4"
    & skf21("4","3","1","2","5","3","6","1") = "5"
    & skf21("4","3","1","2","5","3","7","1") = "6"
    & skf21("4","3","1","2","5","4","1","1") = "4"
    & skf21("4","3","1","2","5","4","2","1") = "4"
    & skf21("4","3","1","2","5","4","3","1") = "4"
    & skf21("4","3","1","2","5","4","4","1") = "4"
    & skf21("4","3","1","2","5","4","5","1") = "4"
    & skf21("4","3","1","2","5","4","6","1") = "5"
    & skf21("4","3","1","2","5","4","7","1") = "6"
    & skf21("4","3","1","2","5","5","1","1") = "4"
    & skf21("4","3","1","2","5","5","2","1") = "4"
    & skf21("4","3","1","2","5","5","3","1") = "4"
    & skf21("4","3","1","2","5","5","4","1") = "4"
    & skf21("4","3","1","2","5","5","5","1") = "4"
    & skf21("4","3","1","2","5","5","6","1") = "5"
    & skf21("4","3","1","2","5","5","7","1") = "6"
    & skf21("4","3","1","2","5","6","1","1") = "5"
    & skf21("4","3","1","2","5","6","2","1") = "5"
    & skf21("4","3","1","2","5","6","3","1") = "5"
    & skf21("4","3","1","2","5","6","4","1") = "5"
    & skf21("4","3","1","2","5","6","5","1") = "5"
    & skf21("4","3","1","2","5","6","6","1") = "5"
    & skf21("4","3","1","2","5","6","7","1") = "6"
    & skf21("4","3","1","2","5","7","1","1") = "6"
    & skf21("4","3","1","2","5","7","2","1") = "6"
    & skf21("4","3","1","2","5","7","3","1") = "6"
    & skf21("4","3","1","2","5","7","4","1") = "6"
    & skf21("4","3","1","2","5","7","5","1") = "6"
    & skf21("4","3","1","2","5","7","6","1") = "6"
    & skf21("4","3","1","2","5","7","7","1") = "6"
    & skf21("4","3","1","2","6","1","1","1") = "5"
    & skf21("4","3","1","2","6","1","2","1") = "5"
    & skf21("4","3","1","2","6","1","3","1") = "5"
    & skf21("4","3","1","2","6","1","4","1") = "5"
    & skf21("4","3","1","2","6","1","5","1") = "5"
    & skf21("4","3","1","2","6","1","6","1") = "5"
    & skf21("4","3","1","2","6","1","7","1") = "6"
    & skf21("4","3","1","2","6","2","1","1") = "5"
    & skf21("4","3","1","2","6","2","2","1") = "5"
    & skf21("4","3","1","2","6","2","3","1") = "5"
    & skf21("4","3","1","2","6","2","4","1") = "5"
    & skf21("4","3","1","2","6","2","5","1") = "5"
    & skf21("4","3","1","2","6","2","6","1") = "5"
    & skf21("4","3","1","2","6","2","7","1") = "6"
    & skf21("4","3","1","2","6","3","1","1") = "5"
    & skf21("4","3","1","2","6","3","2","1") = "5"
    & skf21("4","3","1","2","6","3","3","1") = "5"
    & skf21("4","3","1","2","6","3","4","1") = "5"
    & skf21("4","3","1","2","6","3","5","1") = "5"
    & skf21("4","3","1","2","6","3","6","1") = "5"
    & skf21("4","3","1","2","6","3","7","1") = "6"
    & skf21("4","3","1","2","6","4","1","1") = "5"
    & skf21("4","3","1","2","6","4","2","1") = "5"
    & skf21("4","3","1","2","6","4","3","1") = "5"
    & skf21("4","3","1","2","6","4","4","1") = "5"
    & skf21("4","3","1","2","6","4","5","1") = "5"
    & skf21("4","3","1","2","6","4","6","1") = "5"
    & skf21("4","3","1","2","6","4","7","1") = "6"
    & skf21("4","3","1","2","6","5","1","1") = "5"
    & skf21("4","3","1","2","6","5","2","1") = "5"
    & skf21("4","3","1","2","6","5","3","1") = "5"
    & skf21("4","3","1","2","6","5","4","1") = "5"
    & skf21("4","3","1","2","6","5","5","1") = "5"
    & skf21("4","3","1","2","6","5","6","1") = "5"
    & skf21("4","3","1","2","6","5","7","1") = "6"
    & skf21("4","3","1","2","6","6","1","1") = "5"
    & skf21("4","3","1","2","6","6","2","1") = "5"
    & skf21("4","3","1","2","6","6","3","1") = "5"
    & skf21("4","3","1","2","6","6","4","1") = "5"
    & skf21("4","3","1","2","6","6","5","1") = "5"
    & skf21("4","3","1","2","6","6","6","1") = "5"
    & skf21("4","3","1","2","6","6","7","1") = "6"
    & skf21("4","3","1","2","6","7","1","1") = "6"
    & skf21("4","3","1","2","6","7","2","1") = "6"
    & skf21("4","3","1","2","6","7","3","1") = "6"
    & skf21("4","3","1","2","6","7","4","1") = "6"
    & skf21("4","3","1","2","6","7","5","1") = "6"
    & skf21("4","3","1","2","6","7","6","1") = "6"
    & skf21("4","3","1","2","6","7","7","1") = "6"
    & skf21("4","3","1","2","7","1","1","1") = "6"
    & skf21("4","3","1","2","7","1","2","1") = "6"
    & skf21("4","3","1","2","7","1","3","1") = "6"
    & skf21("4","3","1","2","7","1","4","1") = "6"
    & skf21("4","3","1","2","7","1","5","1") = "6"
    & skf21("4","3","1","2","7","1","6","1") = "6"
    & skf21("4","3","1","2","7","1","7","1") = "6"
    & skf21("4","3","1","2","7","2","1","1") = "6"
    & skf21("4","3","1","2","7","2","2","1") = "6"
    & skf21("4","3","1","2","7","2","3","1") = "6"
    & skf21("4","3","1","2","7","2","4","1") = "6"
    & skf21("4","3","1","2","7","2","5","1") = "6"
    & skf21("4","3","1","2","7","2","6","1") = "6"
    & skf21("4","3","1","2","7","2","7","1") = "6"
    & skf21("4","3","1","2","7","3","1","1") = "6"
    & skf21("4","3","1","2","7","3","2","1") = "6"
    & skf21("4","3","1","2","7","3","3","1") = "6"
    & skf21("4","3","1","2","7","3","4","1") = "6"
    & skf21("4","3","1","2","7","3","5","1") = "6"
    & skf21("4","3","1","2","7","3","6","1") = "6"
    & skf21("4","3","1","2","7","3","7","1") = "6"
    & skf21("4","3","1","2","7","4","1","1") = "6"
    & skf21("4","3","1","2","7","4","2","1") = "6"
    & skf21("4","3","1","2","7","4","3","1") = "6"
    & skf21("4","3","1","2","7","4","4","1") = "6"
    & skf21("4","3","1","2","7","4","5","1") = "6"
    & skf21("4","3","1","2","7","4","6","1") = "6"
    & skf21("4","3","1","2","7","4","7","1") = "6"
    & skf21("4","3","1","2","7","5","1","1") = "6"
    & skf21("4","3","1","2","7","5","2","1") = "6"
    & skf21("4","3","1","2","7","5","3","1") = "6"
    & skf21("4","3","1","2","7","5","4","1") = "6"
    & skf21("4","3","1","2","7","5","5","1") = "6"
    & skf21("4","3","1","2","7","5","6","1") = "6"
    & skf21("4","3","1","2","7","5","7","1") = "6"
    & skf21("4","3","1","2","7","6","1","1") = "6"
    & skf21("4","3","1","2","7","6","2","1") = "6"
    & skf21("4","3","1","2","7","6","3","1") = "6"
    & skf21("4","3","1","2","7","6","4","1") = "6"
    & skf21("4","3","1","2","7","6","5","1") = "6"
    & skf21("4","3","1","2","7","6","6","1") = "6"
    & skf21("4","3","1","2","7","6","7","1") = "6"
    & skf21("4","3","1","2","7","7","1","1") = "6"
    & skf21("4","3","1","2","7","7","2","1") = "6"
    & skf21("4","3","1","2","7","7","3","1") = "6"
    & skf21("4","3","1","2","7","7","4","1") = "6"
    & skf21("4","3","1","2","7","7","5","1") = "6"
    & skf21("4","3","1","2","7","7","6","1") = "6"
    & skf21("4","3","1","2","7","7","7","1") = "6"
    & skf21("4","3","1","3","1","1","1","1") = "3"
    & skf21("4","3","1","3","1","1","2","1") = "3"
    & skf21("4","3","1","3","1","1","3","1") = "3"
    & skf21("4","3","1","3","1","1","4","1") = "3"
    & skf21("4","3","1","3","1","1","5","1") = "4"
    & skf21("4","3","1","3","1","1","6","1") = "5"
    & skf21("4","3","1","3","1","1","7","1") = "6"
    & skf21("4","3","1","3","1","2","1","1") = "3"
    & skf21("4","3","1","3","1","2","2","1") = "3"
    & skf21("4","3","1","3","1","2","3","1") = "3"
    & skf21("4","3","1","3","1","2","4","1") = "3"
    & skf21("4","3","1","3","1","2","5","1") = "4"
    & skf21("4","3","1","3","1","2","6","1") = "5"
    & skf21("4","3","1","3","1","2","7","1") = "6"
    & skf21("4","3","1","3","1","3","1","1") = "3"
    & skf21("4","3","1","3","1","3","2","1") = "3"
    & skf21("4","3","1","3","1","3","3","1") = "3"
    & skf21("4","3","1","3","1","3","4","1") = "3"
    & skf21("4","3","1","3","1","3","5","1") = "4"
    & skf21("4","3","1","3","1","3","6","1") = "5"
    & skf21("4","3","1","3","1","3","7","1") = "6"
    & skf21("4","3","1","3","1","4","1","1") = "3"
    & skf21("4","3","1","3","1","4","2","1") = "3"
    & skf21("4","3","1","3","1","4","3","1") = "3"
    & skf21("4","3","1","3","1","4","4","1") = "3"
    & skf21("4","3","1","3","1","4","5","1") = "4"
    & skf21("4","3","1","3","1","4","6","1") = "5"
    & skf21("4","3","1","3","1","4","7","1") = "6"
    & skf21("4","3","1","3","1","5","1","1") = "4"
    & skf21("4","3","1","3","1","5","2","1") = "4"
    & skf21("4","3","1","3","1","5","3","1") = "4"
    & skf21("4","3","1","3","1","5","4","1") = "4"
    & skf21("4","3","1","3","1","5","5","1") = "4"
    & skf21("4","3","1","3","1","5","6","1") = "5"
    & skf21("4","3","1","3","1","5","7","1") = "6"
    & skf21("4","3","1","3","1","6","1","1") = "5"
    & skf21("4","3","1","3","1","6","2","1") = "5"
    & skf21("4","3","1","3","1","6","3","1") = "5"
    & skf21("4","3","1","3","1","6","4","1") = "5"
    & skf21("4","3","1","3","1","6","5","1") = "5"
    & skf21("4","3","1","3","1","6","6","1") = "5"
    & skf21("4","3","1","3","1","6","7","1") = "6"
    & skf21("4","3","1","3","1","7","1","1") = "6"
    & skf21("4","3","1","3","1","7","2","1") = "6"
    & skf21("4","3","1","3","1","7","3","1") = "6"
    & skf21("4","3","1","3","1","7","4","1") = "6"
    & skf21("4","3","1","3","1","7","5","1") = "6"
    & skf21("4","3","1","3","1","7","6","1") = "6"
    & skf21("4","3","1","3","1","7","7","1") = "6"
    & skf21("4","3","1","3","2","1","1","1") = "3"
    & skf21("4","3","1","3","2","1","2","1") = "3"
    & skf21("4","3","1","3","2","1","3","1") = "3"
    & skf21("4","3","1","3","2","1","4","1") = "3"
    & skf21("4","3","1","3","2","1","5","1") = "4"
    & skf21("4","3","1","3","2","1","6","1") = "5"
    & skf21("4","3","1","3","2","1","7","1") = "6"
    & skf21("4","3","1","3","2","2","1","1") = "3"
    & skf21("4","3","1","3","2","2","2","1") = "3"
    & skf21("4","3","1","3","2","2","3","1") = "3"
    & skf21("4","3","1","3","2","2","4","1") = "3"
    & skf21("4","3","1","3","2","2","5","1") = "4"
    & skf21("4","3","1","3","2","2","6","1") = "5"
    & skf21("4","3","1","3","2","2","7","1") = "6"
    & skf21("4","3","1","3","2","3","1","1") = "3"
    & skf21("4","3","1","3","2","3","2","1") = "3"
    & skf21("4","3","1","3","2","3","3","1") = "3"
    & skf21("4","3","1","3","2","3","4","1") = "3"
    & skf21("4","3","1","3","2","3","5","1") = "4"
    & skf21("4","3","1","3","2","3","6","1") = "5"
    & skf21("4","3","1","3","2","3","7","1") = "6"
    & skf21("4","3","1","3","2","4","1","1") = "3"
    & skf21("4","3","1","3","2","4","2","1") = "3"
    & skf21("4","3","1","3","2","4","3","1") = "3"
    & skf21("4","3","1","3","2","4","4","1") = "3"
    & skf21("4","3","1","3","2","4","5","1") = "4"
    & skf21("4","3","1","3","2","4","6","1") = "5"
    & skf21("4","3","1","3","2","4","7","1") = "6"
    & skf21("4","3","1","3","2","5","1","1") = "4"
    & skf21("4","3","1","3","2","5","2","1") = "4"
    & skf21("4","3","1","3","2","5","3","1") = "4"
    & skf21("4","3","1","3","2","5","4","1") = "4"
    & skf21("4","3","1","3","2","5","5","1") = "4"
    & skf21("4","3","1","3","2","5","6","1") = "5"
    & skf21("4","3","1","3","2","5","7","1") = "6"
    & skf21("4","3","1","3","2","6","1","1") = "5"
    & skf21("4","3","1","3","2","6","2","1") = "5"
    & skf21("4","3","1","3","2","6","3","1") = "5"
    & skf21("4","3","1","3","2","6","4","1") = "5"
    & skf21("4","3","1","3","2","6","5","1") = "5"
    & skf21("4","3","1","3","2","6","6","1") = "5"
    & skf21("4","3","1","3","2","6","7","1") = "6"
    & skf21("4","3","1","3","2","7","1","1") = "6"
    & skf21("4","3","1","3","2","7","2","1") = "6"
    & skf21("4","3","1","3","2","7","3","1") = "6"
    & skf21("4","3","1","3","2","7","4","1") = "6"
    & skf21("4","3","1","3","2","7","5","1") = "6"
    & skf21("4","3","1","3","2","7","6","1") = "6"
    & skf21("4","3","1","3","2","7","7","1") = "6"
    & skf21("4","3","1","3","3","1","1","1") = "3"
    & skf21("4","3","1","3","3","1","2","1") = "3"
    & skf21("4","3","1","3","3","1","3","1") = "3"
    & skf21("4","3","1","3","3","1","4","1") = "3"
    & skf21("4","3","1","3","3","1","5","1") = "4"
    & skf21("4","3","1","3","3","1","6","1") = "5"
    & skf21("4","3","1","3","3","1","7","1") = "6"
    & skf21("4","3","1","3","3","2","1","1") = "3"
    & skf21("4","3","1","3","3","2","2","1") = "3"
    & skf21("4","3","1","3","3","2","3","1") = "3"
    & skf21("4","3","1","3","3","2","4","1") = "3"
    & skf21("4","3","1","3","3","2","5","1") = "4"
    & skf21("4","3","1","3","3","2","6","1") = "5"
    & skf21("4","3","1","3","3","2","7","1") = "6"
    & skf21("4","3","1","3","3","3","1","1") = "3"
    & skf21("4","3","1","3","3","3","2","1") = "3"
    & skf21("4","3","1","3","3","3","3","1") = "3"
    & skf21("4","3","1","3","3","3","4","1") = "3"
    & skf21("4","3","1","3","3","3","5","1") = "4"
    & skf21("4","3","1","3","3","3","6","1") = "5"
    & skf21("4","3","1","3","3","3","7","1") = "6"
    & skf21("4","3","1","3","3","4","1","1") = "3"
    & skf21("4","3","1","3","3","4","2","1") = "3"
    & skf21("4","3","1","3","3","4","3","1") = "3"
    & skf21("4","3","1","3","3","4","4","1") = "3"
    & skf21("4","3","1","3","3","4","5","1") = "4"
    & skf21("4","3","1","3","3","4","6","1") = "5"
    & skf21("4","3","1","3","3","4","7","1") = "6"
    & skf21("4","3","1","3","3","5","1","1") = "4"
    & skf21("4","3","1","3","3","5","2","1") = "4"
    & skf21("4","3","1","3","3","5","3","1") = "4"
    & skf21("4","3","1","3","3","5","4","1") = "4"
    & skf21("4","3","1","3","3","5","5","1") = "4"
    & skf21("4","3","1","3","3","5","6","1") = "5"
    & skf21("4","3","1","3","3","5","7","1") = "6"
    & skf21("4","3","1","3","3","6","1","1") = "5"
    & skf21("4","3","1","3","3","6","2","1") = "5"
    & skf21("4","3","1","3","3","6","3","1") = "5"
    & skf21("4","3","1","3","3","6","4","1") = "5"
    & skf21("4","3","1","3","3","6","5","1") = "5"
    & skf21("4","3","1","3","3","6","6","1") = "5"
    & skf21("4","3","1","3","3","6","7","1") = "6"
    & skf21("4","3","1","3","3","7","1","1") = "6"
    & skf21("4","3","1","3","3","7","2","1") = "6"
    & skf21("4","3","1","3","3","7","3","1") = "6"
    & skf21("4","3","1","3","3","7","4","1") = "6"
    & skf21("4","3","1","3","3","7","5","1") = "6"
    & skf21("4","3","1","3","3","7","6","1") = "6"
    & skf21("4","3","1","3","3","7","7","1") = "6"
    & skf21("4","3","1","3","4","1","1","1") = "3"
    & skf21("4","3","1","3","4","1","2","1") = "3"
    & skf21("4","3","1","3","4","1","3","1") = "3"
    & skf21("4","3","1","3","4","1","4","1") = "3"
    & skf21("4","3","1","3","4","1","5","1") = "4"
    & skf21("4","3","1","3","4","1","6","1") = "5"
    & skf21("4","3","1","3","4","1","7","1") = "6"
    & skf21("4","3","1","3","4","2","1","1") = "3"
    & skf21("4","3","1","3","4","2","2","1") = "3"
    & skf21("4","3","1","3","4","2","3","1") = "3"
    & skf21("4","3","1","3","4","2","4","1") = "3"
    & skf21("4","3","1","3","4","2","5","1") = "4"
    & skf21("4","3","1","3","4","2","6","1") = "5"
    & skf21("4","3","1","3","4","2","7","1") = "6"
    & skf21("4","3","1","3","4","3","1","1") = "3"
    & skf21("4","3","1","3","4","3","2","1") = "3"
    & skf21("4","3","1","3","4","3","3","1") = "3"
    & skf21("4","3","1","3","4","3","4","1") = "3"
    & skf21("4","3","1","3","4","3","5","1") = "4"
    & skf21("4","3","1","3","4","3","6","1") = "5"
    & skf21("4","3","1","3","4","3","7","1") = "6"
    & skf21("4","3","1","3","4","4","1","1") = "3"
    & skf21("4","3","1","3","4","4","2","1") = "3"
    & skf21("4","3","1","3","4","4","3","1") = "3"
    & skf21("4","3","1","3","4","4","4","1") = "3"
    & skf21("4","3","1","3","4","4","5","1") = "4"
    & skf21("4","3","1","3","4","4","6","1") = "5"
    & skf21("4","3","1","3","4","4","7","1") = "6"
    & skf21("4","3","1","3","4","5","1","1") = "4"
    & skf21("4","3","1","3","4","5","2","1") = "4"
    & skf21("4","3","1","3","4","5","3","1") = "4"
    & skf21("4","3","1","3","4","5","4","1") = "4"
    & skf21("4","3","1","3","4","5","5","1") = "4"
    & skf21("4","3","1","3","4","5","6","1") = "5"
    & skf21("4","3","1","3","4","5","7","1") = "6"
    & skf21("4","3","1","3","4","6","1","1") = "5"
    & skf21("4","3","1","3","4","6","2","1") = "5"
    & skf21("4","3","1","3","4","6","3","1") = "5"
    & skf21("4","3","1","3","4","6","4","1") = "5"
    & skf21("4","3","1","3","4","6","5","1") = "5"
    & skf21("4","3","1","3","4","6","6","1") = "5"
    & skf21("4","3","1","3","4","6","7","1") = "6"
    & skf21("4","3","1","3","4","7","1","1") = "6"
    & skf21("4","3","1","3","4","7","2","1") = "6"
    & skf21("4","3","1","3","4","7","3","1") = "6"
    & skf21("4","3","1","3","4","7","4","1") = "6"
    & skf21("4","3","1","3","4","7","5","1") = "6"
    & skf21("4","3","1","3","4","7","6","1") = "6"
    & skf21("4","3","1","3","4","7","7","1") = "6"
    & skf21("4","3","1","3","5","1","1","1") = "4"
    & skf21("4","3","1","3","5","1","2","1") = "4"
    & skf21("4","3","1","3","5","1","3","1") = "4"
    & skf21("4","3","1","3","5","1","4","1") = "4"
    & skf21("4","3","1","3","5","1","5","1") = "4"
    & skf21("4","3","1","3","5","1","6","1") = "5"
    & skf21("4","3","1","3","5","1","7","1") = "6"
    & skf21("4","3","1","3","5","2","1","1") = "4"
    & skf21("4","3","1","3","5","2","2","1") = "4"
    & skf21("4","3","1","3","5","2","3","1") = "4"
    & skf21("4","3","1","3","5","2","4","1") = "4"
    & skf21("4","3","1","3","5","2","5","1") = "4"
    & skf21("4","3","1","3","5","2","6","1") = "5"
    & skf21("4","3","1","3","5","2","7","1") = "6"
    & skf21("4","3","1","3","5","3","1","1") = "4"
    & skf21("4","3","1","3","5","3","2","1") = "4"
    & skf21("4","3","1","3","5","3","3","1") = "4"
    & skf21("4","3","1","3","5","3","4","1") = "4"
    & skf21("4","3","1","3","5","3","5","1") = "4"
    & skf21("4","3","1","3","5","3","6","1") = "5"
    & skf21("4","3","1","3","5","3","7","1") = "6"
    & skf21("4","3","1","3","5","4","1","1") = "4"
    & skf21("4","3","1","3","5","4","2","1") = "4"
    & skf21("4","3","1","3","5","4","3","1") = "4"
    & skf21("4","3","1","3","5","4","4","1") = "4"
    & skf21("4","3","1","3","5","4","5","1") = "4"
    & skf21("4","3","1","3","5","4","6","1") = "5"
    & skf21("4","3","1","3","5","4","7","1") = "6"
    & skf21("4","3","1","3","5","5","1","1") = "4"
    & skf21("4","3","1","3","5","5","2","1") = "4"
    & skf21("4","3","1","3","5","5","3","1") = "4"
    & skf21("4","3","1","3","5","5","4","1") = "4"
    & skf21("4","3","1","3","5","5","5","1") = "4"
    & skf21("4","3","1","3","5","5","6","1") = "5"
    & skf21("4","3","1","3","5","5","7","1") = "6"
    & skf21("4","3","1","3","5","6","1","1") = "5"
    & skf21("4","3","1","3","5","6","2","1") = "5"
    & skf21("4","3","1","3","5","6","3","1") = "5"
    & skf21("4","3","1","3","5","6","4","1") = "5"
    & skf21("4","3","1","3","5","6","5","1") = "5"
    & skf21("4","3","1","3","5","6","6","1") = "5"
    & skf21("4","3","1","3","5","6","7","1") = "6"
    & skf21("4","3","1","3","5","7","1","1") = "6"
    & skf21("4","3","1","3","5","7","2","1") = "6"
    & skf21("4","3","1","3","5","7","3","1") = "6"
    & skf21("4","3","1","3","5","7","4","1") = "6"
    & skf21("4","3","1","3","5","7","5","1") = "6"
    & skf21("4","3","1","3","5","7","6","1") = "6"
    & skf21("4","3","1","3","5","7","7","1") = "6"
    & skf21("4","3","1","3","6","1","1","1") = "5"
    & skf21("4","3","1","3","6","1","2","1") = "5"
    & skf21("4","3","1","3","6","1","3","1") = "5"
    & skf21("4","3","1","3","6","1","4","1") = "5"
    & skf21("4","3","1","3","6","1","5","1") = "5"
    & skf21("4","3","1","3","6","1","6","1") = "5"
    & skf21("4","3","1","3","6","1","7","1") = "6"
    & skf21("4","3","1","3","6","2","1","1") = "5"
    & skf21("4","3","1","3","6","2","2","1") = "5"
    & skf21("4","3","1","3","6","2","3","1") = "5"
    & skf21("4","3","1","3","6","2","4","1") = "5"
    & skf21("4","3","1","3","6","2","5","1") = "5"
    & skf21("4","3","1","3","6","2","6","1") = "5"
    & skf21("4","3","1","3","6","2","7","1") = "6"
    & skf21("4","3","1","3","6","3","1","1") = "5"
    & skf21("4","3","1","3","6","3","2","1") = "5"
    & skf21("4","3","1","3","6","3","3","1") = "5"
    & skf21("4","3","1","3","6","3","4","1") = "5"
    & skf21("4","3","1","3","6","3","5","1") = "5"
    & skf21("4","3","1","3","6","3","6","1") = "5"
    & skf21("4","3","1","3","6","3","7","1") = "6"
    & skf21("4","3","1","3","6","4","1","1") = "5"
    & skf21("4","3","1","3","6","4","2","1") = "5"
    & skf21("4","3","1","3","6","4","3","1") = "5"
    & skf21("4","3","1","3","6","4","4","1") = "5"
    & skf21("4","3","1","3","6","4","5","1") = "5"
    & skf21("4","3","1","3","6","4","6","1") = "5"
    & skf21("4","3","1","3","6","4","7","1") = "6"
    & skf21("4","3","1","3","6","5","1","1") = "5"
    & skf21("4","3","1","3","6","5","2","1") = "5"
    & skf21("4","3","1","3","6","5","3","1") = "5"
    & skf21("4","3","1","3","6","5","4","1") = "5"
    & skf21("4","3","1","3","6","5","5","1") = "5"
    & skf21("4","3","1","3","6","5","6","1") = "5"
    & skf21("4","3","1","3","6","5","7","1") = "6"
    & skf21("4","3","1","3","6","6","1","1") = "5"
    & skf21("4","3","1","3","6","6","2","1") = "5"
    & skf21("4","3","1","3","6","6","3","1") = "5"
    & skf21("4","3","1","3","6","6","4","1") = "5"
    & skf21("4","3","1","3","6","6","5","1") = "5"
    & skf21("4","3","1","3","6","6","6","1") = "5"
    & skf21("4","3","1","3","6","6","7","1") = "6"
    & skf21("4","3","1","3","6","7","1","1") = "6"
    & skf21("4","3","1","3","6","7","2","1") = "6"
    & skf21("4","3","1","3","6","7","3","1") = "6"
    & skf21("4","3","1","3","6","7","4","1") = "6"
    & skf21("4","3","1","3","6","7","5","1") = "6"
    & skf21("4","3","1","3","6","7","6","1") = "6"
    & skf21("4","3","1","3","6","7","7","1") = "6"
    & skf21("4","3","1","3","7","1","1","1") = "6"
    & skf21("4","3","1","3","7","1","2","1") = "6"
    & skf21("4","3","1","3","7","1","3","1") = "6"
    & skf21("4","3","1","3","7","1","4","1") = "6"
    & skf21("4","3","1","3","7","1","5","1") = "6"
    & skf21("4","3","1","3","7","1","6","1") = "6"
    & skf21("4","3","1","3","7","1","7","1") = "6"
    & skf21("4","3","1","3","7","2","1","1") = "6"
    & skf21("4","3","1","3","7","2","2","1") = "6"
    & skf21("4","3","1","3","7","2","3","1") = "6"
    & skf21("4","3","1","3","7","2","4","1") = "6"
    & skf21("4","3","1","3","7","2","5","1") = "6"
    & skf21("4","3","1","3","7","2","6","1") = "6"
    & skf21("4","3","1","3","7","2","7","1") = "6"
    & skf21("4","3","1","3","7","3","1","1") = "6"
    & skf21("4","3","1","3","7","3","2","1") = "6"
    & skf21("4","3","1","3","7","3","3","1") = "6"
    & skf21("4","3","1","3","7","3","4","1") = "6"
    & skf21("4","3","1","3","7","3","5","1") = "6"
    & skf21("4","3","1","3","7","3","6","1") = "6"
    & skf21("4","3","1","3","7","3","7","1") = "6"
    & skf21("4","3","1","3","7","4","1","1") = "6"
    & skf21("4","3","1","3","7","4","2","1") = "6"
    & skf21("4","3","1","3","7","4","3","1") = "6"
    & skf21("4","3","1","3","7","4","4","1") = "6"
    & skf21("4","3","1","3","7","4","5","1") = "6"
    & skf21("4","3","1","3","7","4","6","1") = "6"
    & skf21("4","3","1","3","7","4","7","1") = "6"
    & skf21("4","3","1","3","7","5","1","1") = "6"
    & skf21("4","3","1","3","7","5","2","1") = "6"
    & skf21("4","3","1","3","7","5","3","1") = "6"
    & skf21("4","3","1","3","7","5","4","1") = "6"
    & skf21("4","3","1","3","7","5","5","1") = "6"
    & skf21("4","3","1","3","7","5","6","1") = "6"
    & skf21("4","3","1","3","7","5","7","1") = "6"
    & skf21("4","3","1","3","7","6","1","1") = "6"
    & skf21("4","3","1","3","7","6","2","1") = "6"
    & skf21("4","3","1","3","7","6","3","1") = "6"
    & skf21("4","3","1","3","7","6","4","1") = "6"
    & skf21("4","3","1","3","7","6","5","1") = "6"
    & skf21("4","3","1","3","7","6","6","1") = "6"
    & skf21("4","3","1","3","7","6","7","1") = "6"
    & skf21("4","3","1","3","7","7","1","1") = "6"
    & skf21("4","3","1","3","7","7","2","1") = "6"
    & skf21("4","3","1","3","7","7","3","1") = "6"
    & skf21("4","3","1","3","7","7","4","1") = "6"
    & skf21("4","3","1","3","7","7","5","1") = "6"
    & skf21("4","3","1","3","7","7","6","1") = "6"
    & skf21("4","3","1","3","7","7","7","1") = "6"
    & skf21("4","3","1","4","1","1","1","1") = "3"
    & skf21("4","3","1","4","1","1","2","1") = "3"
    & skf21("4","3","1","4","1","1","3","1") = "3"
    & skf21("4","3","1","4","1","1","4","1") = "3"
    & skf21("4","3","1","4","1","1","5","1") = "4"
    & skf21("4","3","1","4","1","1","6","1") = "5"
    & skf21("4","3","1","4","1","1","7","1") = "6"
    & skf21("4","3","1","4","1","2","1","1") = "3"
    & skf21("4","3","1","4","1","2","2","1") = "3"
    & skf21("4","3","1","4","1","2","3","1") = "3"
    & skf21("4","3","1","4","1","2","4","1") = "3"
    & skf21("4","3","1","4","1","2","5","1") = "4"
    & skf21("4","3","1","4","1","2","6","1") = "5"
    & skf21("4","3","1","4","1","2","7","1") = "6"
    & skf21("4","3","1","4","1","3","1","1") = "3"
    & skf21("4","3","1","4","1","3","2","1") = "3"
    & skf21("4","3","1","4","1","3","3","1") = "3"
    & skf21("4","3","1","4","1","3","4","1") = "3"
    & skf21("4","3","1","4","1","3","5","1") = "4"
    & skf21("4","3","1","4","1","3","6","1") = "5"
    & skf21("4","3","1","4","1","3","7","1") = "6"
    & skf21("4","3","1","4","1","4","1","1") = "3"
    & skf21("4","3","1","4","1","4","2","1") = "3"
    & skf21("4","3","1","4","1","4","3","1") = "3"
    & skf21("4","3","1","4","1","4","4","1") = "3"
    & skf21("4","3","1","4","1","4","5","1") = "4"
    & skf21("4","3","1","4","1","4","6","1") = "5"
    & skf21("4","3","1","4","1","4","7","1") = "6"
    & skf21("4","3","1","4","1","5","1","1") = "4"
    & skf21("4","3","1","4","1","5","2","1") = "4"
    & skf21("4","3","1","4","1","5","3","1") = "4"
    & skf21("4","3","1","4","1","5","4","1") = "4"
    & skf21("4","3","1","4","1","5","5","1") = "4"
    & skf21("4","3","1","4","1","5","6","1") = "5"
    & skf21("4","3","1","4","1","5","7","1") = "6"
    & skf21("4","3","1","4","1","6","1","1") = "5"
    & skf21("4","3","1","4","1","6","2","1") = "5"
    & skf21("4","3","1","4","1","6","3","1") = "5"
    & skf21("4","3","1","4","1","6","4","1") = "5"
    & skf21("4","3","1","4","1","6","5","1") = "5"
    & skf21("4","3","1","4","1","6","6","1") = "5"
    & skf21("4","3","1","4","1","6","7","1") = "6"
    & skf21("4","3","1","4","1","7","1","1") = "6"
    & skf21("4","3","1","4","1","7","2","1") = "6"
    & skf21("4","3","1","4","1","7","3","1") = "6"
    & skf21("4","3","1","4","1","7","4","1") = "6"
    & skf21("4","3","1","4","1","7","5","1") = "6"
    & skf21("4","3","1","4","1","7","6","1") = "6"
    & skf21("4","3","1","4","1","7","7","1") = "6"
    & skf21("4","3","1","4","2","1","1","1") = "3"
    & skf21("4","3","1","4","2","1","2","1") = "3"
    & skf21("4","3","1","4","2","1","3","1") = "3"
    & skf21("4","3","1","4","2","1","4","1") = "3"
    & skf21("4","3","1","4","2","1","5","1") = "4"
    & skf21("4","3","1","4","2","1","6","1") = "5"
    & skf21("4","3","1","4","2","1","7","1") = "6"
    & skf21("4","3","1","4","2","2","1","1") = "3"
    & skf21("4","3","1","4","2","2","2","1") = "3"
    & skf21("4","3","1","4","2","2","3","1") = "3"
    & skf21("4","3","1","4","2","2","4","1") = "3"
    & skf21("4","3","1","4","2","2","5","1") = "4"
    & skf21("4","3","1","4","2","2","6","1") = "5"
    & skf21("4","3","1","4","2","2","7","1") = "6"
    & skf21("4","3","1","4","2","3","1","1") = "3"
    & skf21("4","3","1","4","2","3","2","1") = "3"
    & skf21("4","3","1","4","2","3","3","1") = "3"
    & skf21("4","3","1","4","2","3","4","1") = "3"
    & skf21("4","3","1","4","2","3","5","1") = "4"
    & skf21("4","3","1","4","2","3","6","1") = "5"
    & skf21("4","3","1","4","2","3","7","1") = "6"
    & skf21("4","3","1","4","2","4","1","1") = "3"
    & skf21("4","3","1","4","2","4","2","1") = "3"
    & skf21("4","3","1","4","2","4","3","1") = "3"
    & skf21("4","3","1","4","2","4","4","1") = "3"
    & skf21("4","3","1","4","2","4","5","1") = "4"
    & skf21("4","3","1","4","2","4","6","1") = "5"
    & skf21("4","3","1","4","2","4","7","1") = "6"
    & skf21("4","3","1","4","2","5","1","1") = "4"
    & skf21("4","3","1","4","2","5","2","1") = "4"
    & skf21("4","3","1","4","2","5","3","1") = "4"
    & skf21("4","3","1","4","2","5","4","1") = "4"
    & skf21("4","3","1","4","2","5","5","1") = "4"
    & skf21("4","3","1","4","2","5","6","1") = "5"
    & skf21("4","3","1","4","2","5","7","1") = "6"
    & skf21("4","3","1","4","2","6","1","1") = "5"
    & skf21("4","3","1","4","2","6","2","1") = "5"
    & skf21("4","3","1","4","2","6","3","1") = "5"
    & skf21("4","3","1","4","2","6","4","1") = "5"
    & skf21("4","3","1","4","2","6","5","1") = "5"
    & skf21("4","3","1","4","2","6","6","1") = "5"
    & skf21("4","3","1","4","2","6","7","1") = "6"
    & skf21("4","3","1","4","2","7","1","1") = "6"
    & skf21("4","3","1","4","2","7","2","1") = "6"
    & skf21("4","3","1","4","2","7","3","1") = "6"
    & skf21("4","3","1","4","2","7","4","1") = "6"
    & skf21("4","3","1","4","2","7","5","1") = "6"
    & skf21("4","3","1","4","2","7","6","1") = "6"
    & skf21("4","3","1","4","2","7","7","1") = "6"
    & skf21("4","3","1","4","3","1","1","1") = "3"
    & skf21("4","3","1","4","3","1","2","1") = "3"
    & skf21("4","3","1","4","3","1","3","1") = "3"
    & skf21("4","3","1","4","3","1","4","1") = "3"
    & skf21("4","3","1","4","3","1","5","1") = "4"
    & skf21("4","3","1","4","3","1","6","1") = "5"
    & skf21("4","3","1","4","3","1","7","1") = "6"
    & skf21("4","3","1","4","3","2","1","1") = "3"
    & skf21("4","3","1","4","3","2","2","1") = "3"
    & skf21("4","3","1","4","3","2","3","1") = "3"
    & skf21("4","3","1","4","3","2","4","1") = "3"
    & skf21("4","3","1","4","3","2","5","1") = "4"
    & skf21("4","3","1","4","3","2","6","1") = "5"
    & skf21("4","3","1","4","3","2","7","1") = "6"
    & skf21("4","3","1","4","3","3","1","1") = "3"
    & skf21("4","3","1","4","3","3","2","1") = "3"
    & skf21("4","3","1","4","3","3","3","1") = "3"
    & skf21("4","3","1","4","3","3","4","1") = "3"
    & skf21("4","3","1","4","3","3","5","1") = "4"
    & skf21("4","3","1","4","3","3","6","1") = "5"
    & skf21("4","3","1","4","3","3","7","1") = "6"
    & skf21("4","3","1","4","3","4","1","1") = "3"
    & skf21("4","3","1","4","3","4","2","1") = "3"
    & skf21("4","3","1","4","3","4","3","1") = "3"
    & skf21("4","3","1","4","3","4","4","1") = "3"
    & skf21("4","3","1","4","3","4","5","1") = "4"
    & skf21("4","3","1","4","3","4","6","1") = "5"
    & skf21("4","3","1","4","3","4","7","1") = "6"
    & skf21("4","3","1","4","3","5","1","1") = "4"
    & skf21("4","3","1","4","3","5","2","1") = "4"
    & skf21("4","3","1","4","3","5","3","1") = "4"
    & skf21("4","3","1","4","3","5","4","1") = "4"
    & skf21("4","3","1","4","3","5","5","1") = "4"
    & skf21("4","3","1","4","3","5","6","1") = "5"
    & skf21("4","3","1","4","3","5","7","1") = "6"
    & skf21("4","3","1","4","3","6","1","1") = "5"
    & skf21("4","3","1","4","3","6","2","1") = "5"
    & skf21("4","3","1","4","3","6","3","1") = "5"
    & skf21("4","3","1","4","3","6","4","1") = "5"
    & skf21("4","3","1","4","3","6","5","1") = "5"
    & skf21("4","3","1","4","3","6","6","1") = "5"
    & skf21("4","3","1","4","3","6","7","1") = "6"
    & skf21("4","3","1","4","3","7","1","1") = "6"
    & skf21("4","3","1","4","3","7","2","1") = "6"
    & skf21("4","3","1","4","3","7","3","1") = "6"
    & skf21("4","3","1","4","3","7","4","1") = "6"
    & skf21("4","3","1","4","3","7","5","1") = "6"
    & skf21("4","3","1","4","3","7","6","1") = "6"
    & skf21("4","3","1","4","3","7","7","1") = "6"
    & skf21("4","3","1","4","4","1","1","1") = "3"
    & skf21("4","3","1","4","4","1","2","1") = "3"
    & skf21("4","3","1","4","4","1","3","1") = "3"
    & skf21("4","3","1","4","4","1","4","1") = "3"
    & skf21("4","3","1","4","4","1","5","1") = "4"
    & skf21("4","3","1","4","4","1","6","1") = "5"
    & skf21("4","3","1","4","4","1","7","1") = "6"
    & skf21("4","3","1","4","4","2","1","1") = "3"
    & skf21("4","3","1","4","4","2","2","1") = "3"
    & skf21("4","3","1","4","4","2","3","1") = "3"
    & skf21("4","3","1","4","4","2","4","1") = "3"
    & skf21("4","3","1","4","4","2","5","1") = "4"
    & skf21("4","3","1","4","4","2","6","1") = "5"
    & skf21("4","3","1","4","4","2","7","1") = "6"
    & skf21("4","3","1","4","4","3","1","1") = "3"
    & skf21("4","3","1","4","4","3","2","1") = "3"
    & skf21("4","3","1","4","4","3","3","1") = "3"
    & skf21("4","3","1","4","4","3","4","1") = "3"
    & skf21("4","3","1","4","4","3","5","1") = "4"
    & skf21("4","3","1","4","4","3","6","1") = "5"
    & skf21("4","3","1","4","4","3","7","1") = "6"
    & skf21("4","3","1","4","4","4","1","1") = "3"
    & skf21("4","3","1","4","4","4","2","1") = "3"
    & skf21("4","3","1","4","4","4","3","1") = "3"
    & skf21("4","3","1","4","4","4","4","1") = "3"
    & skf21("4","3","1","4","4","4","5","1") = "4"
    & skf21("4","3","1","4","4","4","6","1") = "5"
    & skf21("4","3","1","4","4","4","7","1") = "6"
    & skf21("4","3","1","4","4","5","1","1") = "4"
    & skf21("4","3","1","4","4","5","2","1") = "4"
    & skf21("4","3","1","4","4","5","3","1") = "4"
    & skf21("4","3","1","4","4","5","4","1") = "4"
    & skf21("4","3","1","4","4","5","5","1") = "4"
    & skf21("4","3","1","4","4","5","6","1") = "5"
    & skf21("4","3","1","4","4","5","7","1") = "6"
    & skf21("4","3","1","4","4","6","1","1") = "5"
    & skf21("4","3","1","4","4","6","2","1") = "5"
    & skf21("4","3","1","4","4","6","3","1") = "5"
    & skf21("4","3","1","4","4","6","4","1") = "5"
    & skf21("4","3","1","4","4","6","5","1") = "5"
    & skf21("4","3","1","4","4","6","6","1") = "5"
    & skf21("4","3","1","4","4","6","7","1") = "6"
    & skf21("4","3","1","4","4","7","1","1") = "6"
    & skf21("4","3","1","4","4","7","2","1") = "6"
    & skf21("4","3","1","4","4","7","3","1") = "6"
    & skf21("4","3","1","4","4","7","4","1") = "6"
    & skf21("4","3","1","4","4","7","5","1") = "6"
    & skf21("4","3","1","4","4","7","6","1") = "6"
    & skf21("4","3","1","4","4","7","7","1") = "6"
    & skf21("4","3","1","4","5","1","1","1") = "4"
    & skf21("4","3","1","4","5","1","2","1") = "4"
    & skf21("4","3","1","4","5","1","3","1") = "4"
    & skf21("4","3","1","4","5","1","4","1") = "4"
    & skf21("4","3","1","4","5","1","5","1") = "4"
    & skf21("4","3","1","4","5","1","6","1") = "5"
    & skf21("4","3","1","4","5","1","7","1") = "6"
    & skf21("4","3","1","4","5","2","1","1") = "4"
    & skf21("4","3","1","4","5","2","2","1") = "4"
    & skf21("4","3","1","4","5","2","3","1") = "4"
    & skf21("4","3","1","4","5","2","4","1") = "4"
    & skf21("4","3","1","4","5","2","5","1") = "4"
    & skf21("4","3","1","4","5","2","6","1") = "5"
    & skf21("4","3","1","4","5","2","7","1") = "6"
    & skf21("4","3","1","4","5","3","1","1") = "4"
    & skf21("4","3","1","4","5","3","2","1") = "4"
    & skf21("4","3","1","4","5","3","3","1") = "4"
    & skf21("4","3","1","4","5","3","4","1") = "4"
    & skf21("4","3","1","4","5","3","5","1") = "4"
    & skf21("4","3","1","4","5","3","6","1") = "5"
    & skf21("4","3","1","4","5","3","7","1") = "6"
    & skf21("4","3","1","4","5","4","1","1") = "4"
    & skf21("4","3","1","4","5","4","2","1") = "4"
    & skf21("4","3","1","4","5","4","3","1") = "4"
    & skf21("4","3","1","4","5","4","4","1") = "4"
    & skf21("4","3","1","4","5","4","5","1") = "4"
    & skf21("4","3","1","4","5","4","6","1") = "5"
    & skf21("4","3","1","4","5","4","7","1") = "6"
    & skf21("4","3","1","4","5","5","1","1") = "4"
    & skf21("4","3","1","4","5","5","2","1") = "4"
    & skf21("4","3","1","4","5","5","3","1") = "4"
    & skf21("4","3","1","4","5","5","4","1") = "4"
    & skf21("4","3","1","4","5","5","5","1") = "4"
    & skf21("4","3","1","4","5","5","6","1") = "5"
    & skf21("4","3","1","4","5","5","7","1") = "6"
    & skf21("4","3","1","4","5","6","1","1") = "5"
    & skf21("4","3","1","4","5","6","2","1") = "5"
    & skf21("4","3","1","4","5","6","3","1") = "5"
    & skf21("4","3","1","4","5","6","4","1") = "5"
    & skf21("4","3","1","4","5","6","5","1") = "5"
    & skf21("4","3","1","4","5","6","6","1") = "5"
    & skf21("4","3","1","4","5","6","7","1") = "6"
    & skf21("4","3","1","4","5","7","1","1") = "6"
    & skf21("4","3","1","4","5","7","2","1") = "6"
    & skf21("4","3","1","4","5","7","3","1") = "6"
    & skf21("4","3","1","4","5","7","4","1") = "6"
    & skf21("4","3","1","4","5","7","5","1") = "6"
    & skf21("4","3","1","4","5","7","6","1") = "6"
    & skf21("4","3","1","4","5","7","7","1") = "6"
    & skf21("4","3","1","4","6","1","1","1") = "5"
    & skf21("4","3","1","4","6","1","2","1") = "5"
    & skf21("4","3","1","4","6","1","3","1") = "5"
    & skf21("4","3","1","4","6","1","4","1") = "5"
    & skf21("4","3","1","4","6","1","5","1") = "5"
    & skf21("4","3","1","4","6","1","6","1") = "5"
    & skf21("4","3","1","4","6","1","7","1") = "6"
    & skf21("4","3","1","4","6","2","1","1") = "5"
    & skf21("4","3","1","4","6","2","2","1") = "5"
    & skf21("4","3","1","4","6","2","3","1") = "5"
    & skf21("4","3","1","4","6","2","4","1") = "5"
    & skf21("4","3","1","4","6","2","5","1") = "5"
    & skf21("4","3","1","4","6","2","6","1") = "5"
    & skf21("4","3","1","4","6","2","7","1") = "6"
    & skf21("4","3","1","4","6","3","1","1") = "5"
    & skf21("4","3","1","4","6","3","2","1") = "5"
    & skf21("4","3","1","4","6","3","3","1") = "5"
    & skf21("4","3","1","4","6","3","4","1") = "5"
    & skf21("4","3","1","4","6","3","5","1") = "5"
    & skf21("4","3","1","4","6","3","6","1") = "5"
    & skf21("4","3","1","4","6","3","7","1") = "6"
    & skf21("4","3","1","4","6","4","1","1") = "5"
    & skf21("4","3","1","4","6","4","2","1") = "5"
    & skf21("4","3","1","4","6","4","3","1") = "5"
    & skf21("4","3","1","4","6","4","4","1") = "5"
    & skf21("4","3","1","4","6","4","5","1") = "5"
    & skf21("4","3","1","4","6","4","6","1") = "5"
    & skf21("4","3","1","4","6","4","7","1") = "6"
    & skf21("4","3","1","4","6","5","1","1") = "5"
    & skf21("4","3","1","4","6","5","2","1") = "5"
    & skf21("4","3","1","4","6","5","3","1") = "5"
    & skf21("4","3","1","4","6","5","4","1") = "5"
    & skf21("4","3","1","4","6","5","5","1") = "5"
    & skf21("4","3","1","4","6","5","6","1") = "5"
    & skf21("4","3","1","4","6","5","7","1") = "6"
    & skf21("4","3","1","4","6","6","1","1") = "5"
    & skf21("4","3","1","4","6","6","2","1") = "5"
    & skf21("4","3","1","4","6","6","3","1") = "5"
    & skf21("4","3","1","4","6","6","4","1") = "5"
    & skf21("4","3","1","4","6","6","5","1") = "5"
    & skf21("4","3","1","4","6","6","6","1") = "5"
    & skf21("4","3","1","4","6","6","7","1") = "6"
    & skf21("4","3","1","4","6","7","1","1") = "6"
    & skf21("4","3","1","4","6","7","2","1") = "6"
    & skf21("4","3","1","4","6","7","3","1") = "6"
    & skf21("4","3","1","4","6","7","4","1") = "6"
    & skf21("4","3","1","4","6","7","5","1") = "6"
    & skf21("4","3","1","4","6","7","6","1") = "6"
    & skf21("4","3","1","4","6","7","7","1") = "6"
    & skf21("4","3","1","4","7","1","1","1") = "6"
    & skf21("4","3","1","4","7","1","2","1") = "6"
    & skf21("4","3","1","4","7","1","3","1") = "6"
    & skf21("4","3","1","4","7","1","4","1") = "6"
    & skf21("4","3","1","4","7","1","5","1") = "6"
    & skf21("4","3","1","4","7","1","6","1") = "6"
    & skf21("4","3","1","4","7","1","7","1") = "6"
    & skf21("4","3","1","4","7","2","1","1") = "6"
    & skf21("4","3","1","4","7","2","2","1") = "6"
    & skf21("4","3","1","4","7","2","3","1") = "6"
    & skf21("4","3","1","4","7","2","4","1") = "6"
    & skf21("4","3","1","4","7","2","5","1") = "6"
    & skf21("4","3","1","4","7","2","6","1") = "6"
    & skf21("4","3","1","4","7","2","7","1") = "6"
    & skf21("4","3","1","4","7","3","1","1") = "6"
    & skf21("4","3","1","4","7","3","2","1") = "6"
    & skf21("4","3","1","4","7","3","3","1") = "6"
    & skf21("4","3","1","4","7","3","4","1") = "6"
    & skf21("4","3","1","4","7","3","5","1") = "6"
    & skf21("4","3","1","4","7","3","6","1") = "6"
    & skf21("4","3","1","4","7","3","7","1") = "6"
    & skf21("4","3","1","4","7","4","1","1") = "6"
    & skf21("4","3","1","4","7","4","2","1") = "6"
    & skf21("4","3","1","4","7","4","3","1") = "6"
    & skf21("4","3","1","4","7","4","4","1") = "6"
    & skf21("4","3","1","4","7","4","5","1") = "6"
    & skf21("4","3","1","4","7","4","6","1") = "6"
    & skf21("4","3","1","4","7","4","7","1") = "6"
    & skf21("4","3","1","4","7","5","1","1") = "6"
    & skf21("4","3","1","4","7","5","2","1") = "6"
    & skf21("4","3","1","4","7","5","3","1") = "6"
    & skf21("4","3","1","4","7","5","4","1") = "6"
    & skf21("4","3","1","4","7","5","5","1") = "6"
    & skf21("4","3","1","4","7","5","6","1") = "6"
    & skf21("4","3","1","4","7","5","7","1") = "6"
    & skf21("4","3","1","4","7","6","1","1") = "6"
    & skf21("4","3","1","4","7","6","2","1") = "6"
    & skf21("4","3","1","4","7","6","3","1") = "6"
    & skf21("4","3","1","4","7","6","4","1") = "6"
    & skf21("4","3","1","4","7","6","5","1") = "6"
    & skf21("4","3","1","4","7","6","6","1") = "6"
    & skf21("4","3","1","4","7","6","7","1") = "6"
    & skf21("4","3","1","4","7","7","1","1") = "6"
    & skf21("4","3","1","4","7","7","2","1") = "6"
    & skf21("4","3","1","4","7","7","3","1") = "6"
    & skf21("4","3","1","4","7","7","4","1") = "6"
    & skf21("4","3","1","4","7","7","5","1") = "6"
    & skf21("4","3","1","4","7","7","6","1") = "6"
    & skf21("4","3","1","4","7","7","7","1") = "6"
    & skf21("4","3","1","5","1","1","1","1") = "4"
    & skf21("4","3","1","5","1","1","2","1") = "4"
    & skf21("4","3","1","5","1","1","3","1") = "4"
    & skf21("4","3","1","5","1","1","4","1") = "4"
    & skf21("4","3","1","5","1","1","5","1") = "4"
    & skf21("4","3","1","5","1","1","6","1") = "5"
    & skf21("4","3","1","5","1","1","7","1") = "6"
    & skf21("4","3","1","5","1","2","1","1") = "4"
    & skf21("4","3","1","5","1","2","2","1") = "4"
    & skf21("4","3","1","5","1","2","3","1") = "4"
    & skf21("4","3","1","5","1","2","4","1") = "4"
    & skf21("4","3","1","5","1","2","5","1") = "4"
    & skf21("4","3","1","5","1","2","6","1") = "5"
    & skf21("4","3","1","5","1","2","7","1") = "6"
    & skf21("4","3","1","5","1","3","1","1") = "4"
    & skf21("4","3","1","5","1","3","2","1") = "4"
    & skf21("4","3","1","5","1","3","3","1") = "4"
    & skf21("4","3","1","5","1","3","4","1") = "4"
    & skf21("4","3","1","5","1","3","5","1") = "4"
    & skf21("4","3","1","5","1","3","6","1") = "5"
    & skf21("4","3","1","5","1","3","7","1") = "6"
    & skf21("4","3","1","5","1","4","1","1") = "4"
    & skf21("4","3","1","5","1","4","2","1") = "4"
    & skf21("4","3","1","5","1","4","3","1") = "4"
    & skf21("4","3","1","5","1","4","4","1") = "4"
    & skf21("4","3","1","5","1","4","5","1") = "4"
    & skf21("4","3","1","5","1","4","6","1") = "5"
    & skf21("4","3","1","5","1","4","7","1") = "6"
    & skf21("4","3","1","5","1","5","1","1") = "4"
    & skf21("4","3","1","5","1","5","2","1") = "4"
    & skf21("4","3","1","5","1","5","3","1") = "4"
    & skf21("4","3","1","5","1","5","4","1") = "4"
    & skf21("4","3","1","5","1","5","5","1") = "4"
    & skf21("4","3","1","5","1","5","6","1") = "5"
    & skf21("4","3","1","5","1","5","7","1") = "6"
    & skf21("4","3","1","5","1","6","1","1") = "5"
    & skf21("4","3","1","5","1","6","2","1") = "5"
    & skf21("4","3","1","5","1","6","3","1") = "5"
    & skf21("4","3","1","5","1","6","4","1") = "5"
    & skf21("4","3","1","5","1","6","5","1") = "5"
    & skf21("4","3","1","5","1","6","6","1") = "5"
    & skf21("4","3","1","5","1","6","7","1") = "6"
    & skf21("4","3","1","5","1","7","1","1") = "6"
    & skf21("4","3","1","5","1","7","2","1") = "6"
    & skf21("4","3","1","5","1","7","3","1") = "6"
    & skf21("4","3","1","5","1","7","4","1") = "6"
    & skf21("4","3","1","5","1","7","5","1") = "6"
    & skf21("4","3","1","5","1","7","6","1") = "6"
    & skf21("4","3","1","5","1","7","7","1") = "6"
    & skf21("4","3","1","5","2","1","1","1") = "4"
    & skf21("4","3","1","5","2","1","2","1") = "4"
    & skf21("4","3","1","5","2","1","3","1") = "4"
    & skf21("4","3","1","5","2","1","4","1") = "4"
    & skf21("4","3","1","5","2","1","5","1") = "4"
    & skf21("4","3","1","5","2","1","6","1") = "5"
    & skf21("4","3","1","5","2","1","7","1") = "6"
    & skf21("4","3","1","5","2","2","1","1") = "4"
    & skf21("4","3","1","5","2","2","2","1") = "4"
    & skf21("4","3","1","5","2","2","3","1") = "4"
    & skf21("4","3","1","5","2","2","4","1") = "4"
    & skf21("4","3","1","5","2","2","5","1") = "4"
    & skf21("4","3","1","5","2","2","6","1") = "5"
    & skf21("4","3","1","5","2","2","7","1") = "6"
    & skf21("4","3","1","5","2","3","1","1") = "4"
    & skf21("4","3","1","5","2","3","2","1") = "4"
    & skf21("4","3","1","5","2","3","3","1") = "4"
    & skf21("4","3","1","5","2","3","4","1") = "4"
    & skf21("4","3","1","5","2","3","5","1") = "4"
    & skf21("4","3","1","5","2","3","6","1") = "5"
    & skf21("4","3","1","5","2","3","7","1") = "6"
    & skf21("4","3","1","5","2","4","1","1") = "4"
    & skf21("4","3","1","5","2","4","2","1") = "4"
    & skf21("4","3","1","5","2","4","3","1") = "4"
    & skf21("4","3","1","5","2","4","4","1") = "4"
    & skf21("4","3","1","5","2","4","5","1") = "4"
    & skf21("4","3","1","5","2","4","6","1") = "5"
    & skf21("4","3","1","5","2","4","7","1") = "6"
    & skf21("4","3","1","5","2","5","1","1") = "4"
    & skf21("4","3","1","5","2","5","2","1") = "4"
    & skf21("4","3","1","5","2","5","3","1") = "4"
    & skf21("4","3","1","5","2","5","4","1") = "4"
    & skf21("4","3","1","5","2","5","5","1") = "4"
    & skf21("4","3","1","5","2","5","6","1") = "5"
    & skf21("4","3","1","5","2","5","7","1") = "6"
    & skf21("4","3","1","5","2","6","1","1") = "5"
    & skf21("4","3","1","5","2","6","2","1") = "5"
    & skf21("4","3","1","5","2","6","3","1") = "5"
    & skf21("4","3","1","5","2","6","4","1") = "5"
    & skf21("4","3","1","5","2","6","5","1") = "5"
    & skf21("4","3","1","5","2","6","6","1") = "5"
    & skf21("4","3","1","5","2","6","7","1") = "6"
    & skf21("4","3","1","5","2","7","1","1") = "6"
    & skf21("4","3","1","5","2","7","2","1") = "6"
    & skf21("4","3","1","5","2","7","3","1") = "6"
    & skf21("4","3","1","5","2","7","4","1") = "6"
    & skf21("4","3","1","5","2","7","5","1") = "6"
    & skf21("4","3","1","5","2","7","6","1") = "6"
    & skf21("4","3","1","5","2","7","7","1") = "6"
    & skf21("4","3","1","5","3","1","1","1") = "4"
    & skf21("4","3","1","5","3","1","2","1") = "4"
    & skf21("4","3","1","5","3","1","3","1") = "4"
    & skf21("4","3","1","5","3","1","4","1") = "4"
    & skf21("4","3","1","5","3","1","5","1") = "4"
    & skf21("4","3","1","5","3","1","6","1") = "5"
    & skf21("4","3","1","5","3","1","7","1") = "6"
    & skf21("4","3","1","5","3","2","1","1") = "4"
    & skf21("4","3","1","5","3","2","2","1") = "4"
    & skf21("4","3","1","5","3","2","3","1") = "4"
    & skf21("4","3","1","5","3","2","4","1") = "4"
    & skf21("4","3","1","5","3","2","5","1") = "4"
    & skf21("4","3","1","5","3","2","6","1") = "5"
    & skf21("4","3","1","5","3","2","7","1") = "6"
    & skf21("4","3","1","5","3","3","1","1") = "4"
    & skf21("4","3","1","5","3","3","2","1") = "4"
    & skf21("4","3","1","5","3","3","3","1") = "4"
    & skf21("4","3","1","5","3","3","4","1") = "4"
    & skf21("4","3","1","5","3","3","5","1") = "4"
    & skf21("4","3","1","5","3","3","6","1") = "5"
    & skf21("4","3","1","5","3","3","7","1") = "6"
    & skf21("4","3","1","5","3","4","1","1") = "4"
    & skf21("4","3","1","5","3","4","2","1") = "4"
    & skf21("4","3","1","5","3","4","3","1") = "4"
    & skf21("4","3","1","5","3","4","4","1") = "4"
    & skf21("4","3","1","5","3","4","5","1") = "4"
    & skf21("4","3","1","5","3","4","6","1") = "5"
    & skf21("4","3","1","5","3","4","7","1") = "6"
    & skf21("4","3","1","5","3","5","1","1") = "4"
    & skf21("4","3","1","5","3","5","2","1") = "4"
    & skf21("4","3","1","5","3","5","3","1") = "4"
    & skf21("4","3","1","5","3","5","4","1") = "4"
    & skf21("4","3","1","5","3","5","5","1") = "4"
    & skf21("4","3","1","5","3","5","6","1") = "5"
    & skf21("4","3","1","5","3","5","7","1") = "6"
    & skf21("4","3","1","5","3","6","1","1") = "5"
    & skf21("4","3","1","5","3","6","2","1") = "5"
    & skf21("4","3","1","5","3","6","3","1") = "5"
    & skf21("4","3","1","5","3","6","4","1") = "5"
    & skf21("4","3","1","5","3","6","5","1") = "5"
    & skf21("4","3","1","5","3","6","6","1") = "5"
    & skf21("4","3","1","5","3","6","7","1") = "6"
    & skf21("4","3","1","5","3","7","1","1") = "6"
    & skf21("4","3","1","5","3","7","2","1") = "6"
    & skf21("4","3","1","5","3","7","3","1") = "6"
    & skf21("4","3","1","5","3","7","4","1") = "6"
    & skf21("4","3","1","5","3","7","5","1") = "6"
    & skf21("4","3","1","5","3","7","6","1") = "6"
    & skf21("4","3","1","5","3","7","7","1") = "6"
    & skf21("4","3","1","5","4","1","1","1") = "4"
    & skf21("4","3","1","5","4","1","2","1") = "4"
    & skf21("4","3","1","5","4","1","3","1") = "4"
    & skf21("4","3","1","5","4","1","4","1") = "4"
    & skf21("4","3","1","5","4","1","5","1") = "4"
    & skf21("4","3","1","5","4","1","6","1") = "5"
    & skf21("4","3","1","5","4","1","7","1") = "6"
    & skf21("4","3","1","5","4","2","1","1") = "4"
    & skf21("4","3","1","5","4","2","2","1") = "4"
    & skf21("4","3","1","5","4","2","3","1") = "4"
    & skf21("4","3","1","5","4","2","4","1") = "4"
    & skf21("4","3","1","5","4","2","5","1") = "4"
    & skf21("4","3","1","5","4","2","6","1") = "5"
    & skf21("4","3","1","5","4","2","7","1") = "6"
    & skf21("4","3","1","5","4","3","1","1") = "4"
    & skf21("4","3","1","5","4","3","2","1") = "4"
    & skf21("4","3","1","5","4","3","3","1") = "4"
    & skf21("4","3","1","5","4","3","4","1") = "4"
    & skf21("4","3","1","5","4","3","5","1") = "4"
    & skf21("4","3","1","5","4","3","6","1") = "5"
    & skf21("4","3","1","5","4","3","7","1") = "6"
    & skf21("4","3","1","5","4","4","1","1") = "4"
    & skf21("4","3","1","5","4","4","2","1") = "4"
    & skf21("4","3","1","5","4","4","3","1") = "4"
    & skf21("4","3","1","5","4","4","4","1") = "4"
    & skf21("4","3","1","5","4","4","5","1") = "4"
    & skf21("4","3","1","5","4","4","6","1") = "5"
    & skf21("4","3","1","5","4","4","7","1") = "6"
    & skf21("4","3","1","5","4","5","1","1") = "4"
    & skf21("4","3","1","5","4","5","2","1") = "4"
    & skf21("4","3","1","5","4","5","3","1") = "4"
    & skf21("4","3","1","5","4","5","4","1") = "4"
    & skf21("4","3","1","5","4","5","5","1") = "4"
    & skf21("4","3","1","5","4","5","6","1") = "5"
    & skf21("4","3","1","5","4","5","7","1") = "6"
    & skf21("4","3","1","5","4","6","1","1") = "5"
    & skf21("4","3","1","5","4","6","2","1") = "5"
    & skf21("4","3","1","5","4","6","3","1") = "5"
    & skf21("4","3","1","5","4","6","4","1") = "5"
    & skf21("4","3","1","5","4","6","5","1") = "5"
    & skf21("4","3","1","5","4","6","6","1") = "5"
    & skf21("4","3","1","5","4","6","7","1") = "6"
    & skf21("4","3","1","5","4","7","1","1") = "6"
    & skf21("4","3","1","5","4","7","2","1") = "6"
    & skf21("4","3","1","5","4","7","3","1") = "6"
    & skf21("4","3","1","5","4","7","4","1") = "6"
    & skf21("4","3","1","5","4","7","5","1") = "6"
    & skf21("4","3","1","5","4","7","6","1") = "6"
    & skf21("4","3","1","5","4","7","7","1") = "6"
    & skf21("4","3","1","5","5","1","1","1") = "4"
    & skf21("4","3","1","5","5","1","2","1") = "4"
    & skf21("4","3","1","5","5","1","3","1") = "4"
    & skf21("4","3","1","5","5","1","4","1") = "4"
    & skf21("4","3","1","5","5","1","5","1") = "4"
    & skf21("4","3","1","5","5","1","6","1") = "5"
    & skf21("4","3","1","5","5","1","7","1") = "6"
    & skf21("4","3","1","5","5","2","1","1") = "4"
    & skf21("4","3","1","5","5","2","2","1") = "4"
    & skf21("4","3","1","5","5","2","3","1") = "4"
    & skf21("4","3","1","5","5","2","4","1") = "4"
    & skf21("4","3","1","5","5","2","5","1") = "4"
    & skf21("4","3","1","5","5","2","6","1") = "5"
    & skf21("4","3","1","5","5","2","7","1") = "6"
    & skf21("4","3","1","5","5","3","1","1") = "4"
    & skf21("4","3","1","5","5","3","2","1") = "4"
    & skf21("4","3","1","5","5","3","3","1") = "4"
    & skf21("4","3","1","5","5","3","4","1") = "4"
    & skf21("4","3","1","5","5","3","5","1") = "4"
    & skf21("4","3","1","5","5","3","6","1") = "5"
    & skf21("4","3","1","5","5","3","7","1") = "6"
    & skf21("4","3","1","5","5","4","1","1") = "4"
    & skf21("4","3","1","5","5","4","2","1") = "4"
    & skf21("4","3","1","5","5","4","3","1") = "4"
    & skf21("4","3","1","5","5","4","4","1") = "4"
    & skf21("4","3","1","5","5","4","5","1") = "4"
    & skf21("4","3","1","5","5","4","6","1") = "5"
    & skf21("4","3","1","5","5","4","7","1") = "6"
    & skf21("4","3","1","5","5","5","1","1") = "4"
    & skf21("4","3","1","5","5","5","2","1") = "4"
    & skf21("4","3","1","5","5","5","3","1") = "4"
    & skf21("4","3","1","5","5","5","4","1") = "4"
    & skf21("4","3","1","5","5","5","5","1") = "4"
    & skf21("4","3","1","5","5","5","6","1") = "5"
    & skf21("4","3","1","5","5","5","7","1") = "6"
    & skf21("4","3","1","5","5","6","1","1") = "5"
    & skf21("4","3","1","5","5","6","2","1") = "5"
    & skf21("4","3","1","5","5","6","3","1") = "5"
    & skf21("4","3","1","5","5","6","4","1") = "5"
    & skf21("4","3","1","5","5","6","5","1") = "5"
    & skf21("4","3","1","5","5","6","6","1") = "5"
    & skf21("4","3","1","5","5","6","7","1") = "6"
    & skf21("4","3","1","5","5","7","1","1") = "6"
    & skf21("4","3","1","5","5","7","2","1") = "6"
    & skf21("4","3","1","5","5","7","3","1") = "6"
    & skf21("4","3","1","5","5","7","4","1") = "6"
    & skf21("4","3","1","5","5","7","5","1") = "6"
    & skf21("4","3","1","5","5","7","6","1") = "6"
    & skf21("4","3","1","5","5","7","7","1") = "6"
    & skf21("4","3","1","5","6","1","1","1") = "5"
    & skf21("4","3","1","5","6","1","2","1") = "5"
    & skf21("4","3","1","5","6","1","3","1") = "5"
    & skf21("4","3","1","5","6","1","4","1") = "5"
    & skf21("4","3","1","5","6","1","5","1") = "5"
    & skf21("4","3","1","5","6","1","6","1") = "5"
    & skf21("4","3","1","5","6","1","7","1") = "6"
    & skf21("4","3","1","5","6","2","1","1") = "5"
    & skf21("4","3","1","5","6","2","2","1") = "5"
    & skf21("4","3","1","5","6","2","3","1") = "5"
    & skf21("4","3","1","5","6","2","4","1") = "5"
    & skf21("4","3","1","5","6","2","5","1") = "5"
    & skf21("4","3","1","5","6","2","6","1") = "5"
    & skf21("4","3","1","5","6","2","7","1") = "6"
    & skf21("4","3","1","5","6","3","1","1") = "5"
    & skf21("4","3","1","5","6","3","2","1") = "5"
    & skf21("4","3","1","5","6","3","3","1") = "5"
    & skf21("4","3","1","5","6","3","4","1") = "5"
    & skf21("4","3","1","5","6","3","5","1") = "5"
    & skf21("4","3","1","5","6","3","6","1") = "5"
    & skf21("4","3","1","5","6","3","7","1") = "6"
    & skf21("4","3","1","5","6","4","1","1") = "5"
    & skf21("4","3","1","5","6","4","2","1") = "5"
    & skf21("4","3","1","5","6","4","3","1") = "5"
    & skf21("4","3","1","5","6","4","4","1") = "5"
    & skf21("4","3","1","5","6","4","5","1") = "5"
    & skf21("4","3","1","5","6","4","6","1") = "5"
    & skf21("4","3","1","5","6","4","7","1") = "6"
    & skf21("4","3","1","5","6","5","1","1") = "5"
    & skf21("4","3","1","5","6","5","2","1") = "5"
    & skf21("4","3","1","5","6","5","3","1") = "5"
    & skf21("4","3","1","5","6","5","4","1") = "5"
    & skf21("4","3","1","5","6","5","5","1") = "5"
    & skf21("4","3","1","5","6","5","6","1") = "5"
    & skf21("4","3","1","5","6","5","7","1") = "6"
    & skf21("4","3","1","5","6","6","1","1") = "5"
    & skf21("4","3","1","5","6","6","2","1") = "5"
    & skf21("4","3","1","5","6","6","3","1") = "5"
    & skf21("4","3","1","5","6","6","4","1") = "5"
    & skf21("4","3","1","5","6","6","5","1") = "5"
    & skf21("4","3","1","5","6","6","6","1") = "5"
    & skf21("4","3","1","5","6","6","7","1") = "6"
    & skf21("4","3","1","5","6","7","1","1") = "6"
    & skf21("4","3","1","5","6","7","2","1") = "6"
    & skf21("4","3","1","5","6","7","3","1") = "6"
    & skf21("4","3","1","5","6","7","4","1") = "6"
    & skf21("4","3","1","5","6","7","5","1") = "6"
    & skf21("4","3","1","5","6","7","6","1") = "6"
    & skf21("4","3","1","5","6","7","7","1") = "6"
    & skf21("4","3","1","5","7","1","1","1") = "6"
    & skf21("4","3","1","5","7","1","2","1") = "6"
    & skf21("4","3","1","5","7","1","3","1") = "6"
    & skf21("4","3","1","5","7","1","4","1") = "6"
    & skf21("4","3","1","5","7","1","5","1") = "6"
    & skf21("4","3","1","5","7","1","6","1") = "6"
    & skf21("4","3","1","5","7","1","7","1") = "6"
    & skf21("4","3","1","5","7","2","1","1") = "6"
    & skf21("4","3","1","5","7","2","2","1") = "6"
    & skf21("4","3","1","5","7","2","3","1") = "6"
    & skf21("4","3","1","5","7","2","4","1") = "6"
    & skf21("4","3","1","5","7","2","5","1") = "6"
    & skf21("4","3","1","5","7","2","6","1") = "6"
    & skf21("4","3","1","5","7","2","7","1") = "6"
    & skf21("4","3","1","5","7","3","1","1") = "6"
    & skf21("4","3","1","5","7","3","2","1") = "6"
    & skf21("4","3","1","5","7","3","3","1") = "6"
    & skf21("4","3","1","5","7","3","4","1") = "6"
    & skf21("4","3","1","5","7","3","5","1") = "6"
    & skf21("4","3","1","5","7","3","6","1") = "6"
    & skf21("4","3","1","5","7","3","7","1") = "6"
    & skf21("4","3","1","5","7","4","1","1") = "6"
    & skf21("4","3","1","5","7","4","2","1") = "6"
    & skf21("4","3","1","5","7","4","3","1") = "6"
    & skf21("4","3","1","5","7","4","4","1") = "6"
    & skf21("4","3","1","5","7","4","5","1") = "6"
    & skf21("4","3","1","5","7","4","6","1") = "6"
    & skf21("4","3","1","5","7","4","7","1") = "6"
    & skf21("4","3","1","5","7","5","1","1") = "6"
    & skf21("4","3","1","5","7","5","2","1") = "6"
    & skf21("4","3","1","5","7","5","3","1") = "6"
    & skf21("4","3","1","5","7","5","4","1") = "6"
    & skf21("4","3","1","5","7","5","5","1") = "6"
    & skf21("4","3","1","5","7","5","6","1") = "6"
    & skf21("4","3","1","5","7","5","7","1") = "6"
    & skf21("4","3","1","5","7","6","1","1") = "6"
    & skf21("4","3","1","5","7","6","2","1") = "6"
    & skf21("4","3","1","5","7","6","3","1") = "6"
    & skf21("4","3","1","5","7","6","4","1") = "6"
    & skf21("4","3","1","5","7","6","5","1") = "6"
    & skf21("4","3","1","5","7","6","6","1") = "6"
    & skf21("4","3","1","5","7","6","7","1") = "6"
    & skf21("4","3","1","5","7","7","1","1") = "6"
    & skf21("4","3","1","5","7","7","2","1") = "6"
    & skf21("4","3","1","5","7","7","3","1") = "6"
    & skf21("4","3","1","5","7","7","4","1") = "6"
    & skf21("4","3","1","5","7","7","5","1") = "6"
    & skf21("4","3","1","5","7","7","6","1") = "6"
    & skf21("4","3","1","5","7","7","7","1") = "6"
    & skf21("4","3","1","6","1","1","1","1") = "5"
    & skf21("4","3","1","6","1","1","2","1") = "5"
    & skf21("4","3","1","6","1","1","3","1") = "5"
    & skf21("4","3","1","6","1","1","4","1") = "5"
    & skf21("4","3","1","6","1","1","5","1") = "5"
    & skf21("4","3","1","6","1","1","6","1") = "5"
    & skf21("4","3","1","6","1","1","7","1") = "6"
    & skf21("4","3","1","6","1","2","1","1") = "5"
    & skf21("4","3","1","6","1","2","2","1") = "5"
    & skf21("4","3","1","6","1","2","3","1") = "5"
    & skf21("4","3","1","6","1","2","4","1") = "5"
    & skf21("4","3","1","6","1","2","5","1") = "5"
    & skf21("4","3","1","6","1","2","6","1") = "5"
    & skf21("4","3","1","6","1","2","7","1") = "6"
    & skf21("4","3","1","6","1","3","1","1") = "5"
    & skf21("4","3","1","6","1","3","2","1") = "5"
    & skf21("4","3","1","6","1","3","3","1") = "5"
    & skf21("4","3","1","6","1","3","4","1") = "5"
    & skf21("4","3","1","6","1","3","5","1") = "5"
    & skf21("4","3","1","6","1","3","6","1") = "5"
    & skf21("4","3","1","6","1","3","7","1") = "6"
    & skf21("4","3","1","6","1","4","1","1") = "5"
    & skf21("4","3","1","6","1","4","2","1") = "5"
    & skf21("4","3","1","6","1","4","3","1") = "5"
    & skf21("4","3","1","6","1","4","4","1") = "5"
    & skf21("4","3","1","6","1","4","5","1") = "5"
    & skf21("4","3","1","6","1","4","6","1") = "5"
    & skf21("4","3","1","6","1","4","7","1") = "6"
    & skf21("4","3","1","6","1","5","1","1") = "5"
    & skf21("4","3","1","6","1","5","2","1") = "5"
    & skf21("4","3","1","6","1","5","3","1") = "5"
    & skf21("4","3","1","6","1","5","4","1") = "5"
    & skf21("4","3","1","6","1","5","5","1") = "5"
    & skf21("4","3","1","6","1","5","6","1") = "5"
    & skf21("4","3","1","6","1","5","7","1") = "6"
    & skf21("4","3","1","6","1","6","1","1") = "5"
    & skf21("4","3","1","6","1","6","2","1") = "5"
    & skf21("4","3","1","6","1","6","3","1") = "5"
    & skf21("4","3","1","6","1","6","4","1") = "5"
    & skf21("4","3","1","6","1","6","5","1") = "5"
    & skf21("4","3","1","6","1","6","6","1") = "5"
    & skf21("4","3","1","6","1","6","7","1") = "6"
    & skf21("4","3","1","6","1","7","1","1") = "6"
    & skf21("4","3","1","6","1","7","2","1") = "6"
    & skf21("4","3","1","6","1","7","3","1") = "6"
    & skf21("4","3","1","6","1","7","4","1") = "6"
    & skf21("4","3","1","6","1","7","5","1") = "6"
    & skf21("4","3","1","6","1","7","6","1") = "6"
    & skf21("4","3","1","6","1","7","7","1") = "6"
    & skf21("4","3","1","6","2","1","1","1") = "5"
    & skf21("4","3","1","6","2","1","2","1") = "5"
    & skf21("4","3","1","6","2","1","3","1") = "5"
    & skf21("4","3","1","6","2","1","4","1") = "5"
    & skf21("4","3","1","6","2","1","5","1") = "5"
    & skf21("4","3","1","6","2","1","6","1") = "5"
    & skf21("4","3","1","6","2","1","7","1") = "6"
    & skf21("4","3","1","6","2","2","1","1") = "5"
    & skf21("4","3","1","6","2","2","2","1") = "5"
    & skf21("4","3","1","6","2","2","3","1") = "5"
    & skf21("4","3","1","6","2","2","4","1") = "5"
    & skf21("4","3","1","6","2","2","5","1") = "5"
    & skf21("4","3","1","6","2","2","6","1") = "5"
    & skf21("4","3","1","6","2","2","7","1") = "6"
    & skf21("4","3","1","6","2","3","1","1") = "5"
    & skf21("4","3","1","6","2","3","2","1") = "5"
    & skf21("4","3","1","6","2","3","3","1") = "5"
    & skf21("4","3","1","6","2","3","4","1") = "5"
    & skf21("4","3","1","6","2","3","5","1") = "5"
    & skf21("4","3","1","6","2","3","6","1") = "5"
    & skf21("4","3","1","6","2","3","7","1") = "6"
    & skf21("4","3","1","6","2","4","1","1") = "5"
    & skf21("4","3","1","6","2","4","2","1") = "5"
    & skf21("4","3","1","6","2","4","3","1") = "5"
    & skf21("4","3","1","6","2","4","4","1") = "5"
    & skf21("4","3","1","6","2","4","5","1") = "5"
    & skf21("4","3","1","6","2","4","6","1") = "5"
    & skf21("4","3","1","6","2","4","7","1") = "6"
    & skf21("4","3","1","6","2","5","1","1") = "5"
    & skf21("4","3","1","6","2","5","2","1") = "5"
    & skf21("4","3","1","6","2","5","3","1") = "5"
    & skf21("4","3","1","6","2","5","4","1") = "5"
    & skf21("4","3","1","6","2","5","5","1") = "5"
    & skf21("4","3","1","6","2","5","6","1") = "5"
    & skf21("4","3","1","6","2","5","7","1") = "6"
    & skf21("4","3","1","6","2","6","1","1") = "5"
    & skf21("4","3","1","6","2","6","2","1") = "5"
    & skf21("4","3","1","6","2","6","3","1") = "5"
    & skf21("4","3","1","6","2","6","4","1") = "5"
    & skf21("4","3","1","6","2","6","5","1") = "5"
    & skf21("4","3","1","6","2","6","6","1") = "5"
    & skf21("4","3","1","6","2","6","7","1") = "6"
    & skf21("4","3","1","6","2","7","1","1") = "6"
    & skf21("4","3","1","6","2","7","2","1") = "6"
    & skf21("4","3","1","6","2","7","3","1") = "6"
    & skf21("4","3","1","6","2","7","4","1") = "6"
    & skf21("4","3","1","6","2","7","5","1") = "6"
    & skf21("4","3","1","6","2","7","6","1") = "6"
    & skf21("4","3","1","6","2","7","7","1") = "6"
    & skf21("4","3","1","6","3","1","1","1") = "5"
    & skf21("4","3","1","6","3","1","2","1") = "5"
    & skf21("4","3","1","6","3","1","3","1") = "5"
    & skf21("4","3","1","6","3","1","4","1") = "5"
    & skf21("4","3","1","6","3","1","5","1") = "5"
    & skf21("4","3","1","6","3","1","6","1") = "5"
    & skf21("4","3","1","6","3","1","7","1") = "6"
    & skf21("4","3","1","6","3","2","1","1") = "5"
    & skf21("4","3","1","6","3","2","2","1") = "5"
    & skf21("4","3","1","6","3","2","3","1") = "5"
    & skf21("4","3","1","6","3","2","4","1") = "5"
    & skf21("4","3","1","6","3","2","5","1") = "5"
    & skf21("4","3","1","6","3","2","6","1") = "5"
    & skf21("4","3","1","6","3","2","7","1") = "6"
    & skf21("4","3","1","6","3","3","1","1") = "5"
    & skf21("4","3","1","6","3","3","2","1") = "5"
    & skf21("4","3","1","6","3","3","3","1") = "5"
    & skf21("4","3","1","6","3","3","4","1") = "5"
    & skf21("4","3","1","6","3","3","5","1") = "5"
    & skf21("4","3","1","6","3","3","6","1") = "5"
    & skf21("4","3","1","6","3","3","7","1") = "6"
    & skf21("4","3","1","6","3","4","1","1") = "5"
    & skf21("4","3","1","6","3","4","2","1") = "5"
    & skf21("4","3","1","6","3","4","3","1") = "5"
    & skf21("4","3","1","6","3","4","4","1") = "5"
    & skf21("4","3","1","6","3","4","5","1") = "5"
    & skf21("4","3","1","6","3","4","6","1") = "5"
    & skf21("4","3","1","6","3","4","7","1") = "6"
    & skf21("4","3","1","6","3","5","1","1") = "5"
    & skf21("4","3","1","6","3","5","2","1") = "5"
    & skf21("4","3","1","6","3","5","3","1") = "5"
    & skf21("4","3","1","6","3","5","4","1") = "5"
    & skf21("4","3","1","6","3","5","5","1") = "5"
    & skf21("4","3","1","6","3","5","6","1") = "5"
    & skf21("4","3","1","6","3","5","7","1") = "6"
    & skf21("4","3","1","6","3","6","1","1") = "5"
    & skf21("4","3","1","6","3","6","2","1") = "5"
    & skf21("4","3","1","6","3","6","3","1") = "5"
    & skf21("4","3","1","6","3","6","4","1") = "5"
    & skf21("4","3","1","6","3","6","5","1") = "5"
    & skf21("4","3","1","6","3","6","6","1") = "5"
    & skf21("4","3","1","6","3","6","7","1") = "6"
    & skf21("4","3","1","6","3","7","1","1") = "6"
    & skf21("4","3","1","6","3","7","2","1") = "6"
    & skf21("4","3","1","6","3","7","3","1") = "6"
    & skf21("4","3","1","6","3","7","4","1") = "6"
    & skf21("4","3","1","6","3","7","5","1") = "6"
    & skf21("4","3","1","6","3","7","6","1") = "6"
    & skf21("4","3","1","6","3","7","7","1") = "6"
    & skf21("4","3","1","6","4","1","1","1") = "5"
    & skf21("4","3","1","6","4","1","2","1") = "5"
    & skf21("4","3","1","6","4","1","3","1") = "5"
    & skf21("4","3","1","6","4","1","4","1") = "5"
    & skf21("4","3","1","6","4","1","5","1") = "5"
    & skf21("4","3","1","6","4","1","6","1") = "5"
    & skf21("4","3","1","6","4","1","7","1") = "6"
    & skf21("4","3","1","6","4","2","1","1") = "5"
    & skf21("4","3","1","6","4","2","2","1") = "5"
    & skf21("4","3","1","6","4","2","3","1") = "5"
    & skf21("4","3","1","6","4","2","4","1") = "5"
    & skf21("4","3","1","6","4","2","5","1") = "5"
    & skf21("4","3","1","6","4","2","6","1") = "5"
    & skf21("4","3","1","6","4","2","7","1") = "6"
    & skf21("4","3","1","6","4","3","1","1") = "5"
    & skf21("4","3","1","6","4","3","2","1") = "5"
    & skf21("4","3","1","6","4","3","3","1") = "5"
    & skf21("4","3","1","6","4","3","4","1") = "5"
    & skf21("4","3","1","6","4","3","5","1") = "5"
    & skf21("4","3","1","6","4","3","6","1") = "5"
    & skf21("4","3","1","6","4","3","7","1") = "6"
    & skf21("4","3","1","6","4","4","1","1") = "5"
    & skf21("4","3","1","6","4","4","2","1") = "5"
    & skf21("4","3","1","6","4","4","3","1") = "5"
    & skf21("4","3","1","6","4","4","4","1") = "5"
    & skf21("4","3","1","6","4","4","5","1") = "5"
    & skf21("4","3","1","6","4","4","6","1") = "5"
    & skf21("4","3","1","6","4","4","7","1") = "6"
    & skf21("4","3","1","6","4","5","1","1") = "5"
    & skf21("4","3","1","6","4","5","2","1") = "5"
    & skf21("4","3","1","6","4","5","3","1") = "5"
    & skf21("4","3","1","6","4","5","4","1") = "5"
    & skf21("4","3","1","6","4","5","5","1") = "5"
    & skf21("4","3","1","6","4","5","6","1") = "5"
    & skf21("4","3","1","6","4","5","7","1") = "6"
    & skf21("4","3","1","6","4","6","1","1") = "5"
    & skf21("4","3","1","6","4","6","2","1") = "5"
    & skf21("4","3","1","6","4","6","3","1") = "5"
    & skf21("4","3","1","6","4","6","4","1") = "5"
    & skf21("4","3","1","6","4","6","5","1") = "5"
    & skf21("4","3","1","6","4","6","6","1") = "5"
    & skf21("4","3","1","6","4","6","7","1") = "6"
    & skf21("4","3","1","6","4","7","1","1") = "6"
    & skf21("4","3","1","6","4","7","2","1") = "6"
    & skf21("4","3","1","6","4","7","3","1") = "6"
    & skf21("4","3","1","6","4","7","4","1") = "6"
    & skf21("4","3","1","6","4","7","5","1") = "6"
    & skf21("4","3","1","6","4","7","6","1") = "6"
    & skf21("4","3","1","6","4","7","7","1") = "6"
    & skf21("4","3","1","6","5","1","1","1") = "5"
    & skf21("4","3","1","6","5","1","2","1") = "5"
    & skf21("4","3","1","6","5","1","3","1") = "5"
    & skf21("4","3","1","6","5","1","4","1") = "5"
    & skf21("4","3","1","6","5","1","5","1") = "5"
    & skf21("4","3","1","6","5","1","6","1") = "5"
    & skf21("4","3","1","6","5","1","7","1") = "6"
    & skf21("4","3","1","6","5","2","1","1") = "5"
    & skf21("4","3","1","6","5","2","2","1") = "5"
    & skf21("4","3","1","6","5","2","3","1") = "5"
    & skf21("4","3","1","6","5","2","4","1") = "5"
    & skf21("4","3","1","6","5","2","5","1") = "5"
    & skf21("4","3","1","6","5","2","6","1") = "5"
    & skf21("4","3","1","6","5","2","7","1") = "6"
    & skf21("4","3","1","6","5","3","1","1") = "5"
    & skf21("4","3","1","6","5","3","2","1") = "5"
    & skf21("4","3","1","6","5","3","3","1") = "5"
    & skf21("4","3","1","6","5","3","4","1") = "5"
    & skf21("4","3","1","6","5","3","5","1") = "5"
    & skf21("4","3","1","6","5","3","6","1") = "5"
    & skf21("4","3","1","6","5","3","7","1") = "6"
    & skf21("4","3","1","6","5","4","1","1") = "5"
    & skf21("4","3","1","6","5","4","2","1") = "5"
    & skf21("4","3","1","6","5","4","3","1") = "5"
    & skf21("4","3","1","6","5","4","4","1") = "5"
    & skf21("4","3","1","6","5","4","5","1") = "5"
    & skf21("4","3","1","6","5","4","6","1") = "5"
    & skf21("4","3","1","6","5","4","7","1") = "6"
    & skf21("4","3","1","6","5","5","1","1") = "5"
    & skf21("4","3","1","6","5","5","2","1") = "5"
    & skf21("4","3","1","6","5","5","3","1") = "5"
    & skf21("4","3","1","6","5","5","4","1") = "5"
    & skf21("4","3","1","6","5","5","5","1") = "5"
    & skf21("4","3","1","6","5","5","6","1") = "5"
    & skf21("4","3","1","6","5","5","7","1") = "6"
    & skf21("4","3","1","6","5","6","1","1") = "5"
    & skf21("4","3","1","6","5","6","2","1") = "5"
    & skf21("4","3","1","6","5","6","3","1") = "5"
    & skf21("4","3","1","6","5","6","4","1") = "5"
    & skf21("4","3","1","6","5","6","5","1") = "5"
    & skf21("4","3","1","6","5","6","6","1") = "5"
    & skf21("4","3","1","6","5","6","7","1") = "6"
    & skf21("4","3","1","6","5","7","1","1") = "6"
    & skf21("4","3","1","6","5","7","2","1") = "6"
    & skf21("4","3","1","6","5","7","3","1") = "6"
    & skf21("4","3","1","6","5","7","4","1") = "6"
    & skf21("4","3","1","6","5","7","5","1") = "6"
    & skf21("4","3","1","6","5","7","6","1") = "6"
    & skf21("4","3","1","6","5","7","7","1") = "6"
    & skf21("4","3","1","6","6","1","1","1") = "5"
    & skf21("4","3","1","6","6","1","2","1") = "5"
    & skf21("4","3","1","6","6","1","3","1") = "5"
    & skf21("4","3","1","6","6","1","4","1") = "5"
    & skf21("4","3","1","6","6","1","5","1") = "5"
    & skf21("4","3","1","6","6","1","6","1") = "5"
    & skf21("4","3","1","6","6","1","7","1") = "6"
    & skf21("4","3","1","6","6","2","1","1") = "5"
    & skf21("4","3","1","6","6","2","2","1") = "5"
    & skf21("4","3","1","6","6","2","3","1") = "5"
    & skf21("4","3","1","6","6","2","4","1") = "5"
    & skf21("4","3","1","6","6","2","5","1") = "5"
    & skf21("4","3","1","6","6","2","6","1") = "5"
    & skf21("4","3","1","6","6","2","7","1") = "6"
    & skf21("4","3","1","6","6","3","1","1") = "5"
    & skf21("4","3","1","6","6","3","2","1") = "5"
    & skf21("4","3","1","6","6","3","3","1") = "5"
    & skf21("4","3","1","6","6","3","4","1") = "5"
    & skf21("4","3","1","6","6","3","5","1") = "5"
    & skf21("4","3","1","6","6","3","6","1") = "5"
    & skf21("4","3","1","6","6","3","7","1") = "6"
    & skf21("4","3","1","6","6","4","1","1") = "5"
    & skf21("4","3","1","6","6","4","2","1") = "5"
    & skf21("4","3","1","6","6","4","3","1") = "5"
    & skf21("4","3","1","6","6","4","4","1") = "5"
    & skf21("4","3","1","6","6","4","5","1") = "5"
    & skf21("4","3","1","6","6","4","6","1") = "5"
    & skf21("4","3","1","6","6","4","7","1") = "6"
    & skf21("4","3","1","6","6","5","1","1") = "5"
    & skf21("4","3","1","6","6","5","2","1") = "5"
    & skf21("4","3","1","6","6","5","3","1") = "5"
    & skf21("4","3","1","6","6","5","4","1") = "5"
    & skf21("4","3","1","6","6","5","5","1") = "5"
    & skf21("4","3","1","6","6","5","6","1") = "5"
    & skf21("4","3","1","6","6","5","7","1") = "6"
    & skf21("4","3","1","6","6","6","1","1") = "5"
    & skf21("4","3","1","6","6","6","2","1") = "5"
    & skf21("4","3","1","6","6","6","3","1") = "5"
    & skf21("4","3","1","6","6","6","4","1") = "5"
    & skf21("4","3","1","6","6","6","5","1") = "5"
    & skf21("4","3","1","6","6","6","6","1") = "5"
    & skf21("4","3","1","6","6","6","7","1") = "6"
    & skf21("4","3","1","6","6","7","1","1") = "6"
    & skf21("4","3","1","6","6","7","2","1") = "6"
    & skf21("4","3","1","6","6","7","3","1") = "6"
    & skf21("4","3","1","6","6","7","4","1") = "6"
    & skf21("4","3","1","6","6","7","5","1") = "6"
    & skf21("4","3","1","6","6","7","6","1") = "6"
    & skf21("4","3","1","6","6","7","7","1") = "6"
    & skf21("4","3","1","6","7","1","1","1") = "6"
    & skf21("4","3","1","6","7","1","2","1") = "6"
    & skf21("4","3","1","6","7","1","3","1") = "6"
    & skf21("4","3","1","6","7","1","4","1") = "6"
    & skf21("4","3","1","6","7","1","5","1") = "6"
    & skf21("4","3","1","6","7","1","6","1") = "6"
    & skf21("4","3","1","6","7","1","7","1") = "6"
    & skf21("4","3","1","6","7","2","1","1") = "6"
    & skf21("4","3","1","6","7","2","2","1") = "6"
    & skf21("4","3","1","6","7","2","3","1") = "6"
    & skf21("4","3","1","6","7","2","4","1") = "6"
    & skf21("4","3","1","6","7","2","5","1") = "6"
    & skf21("4","3","1","6","7","2","6","1") = "6"
    & skf21("4","3","1","6","7","2","7","1") = "6"
    & skf21("4","3","1","6","7","3","1","1") = "6"
    & skf21("4","3","1","6","7","3","2","1") = "6"
    & skf21("4","3","1","6","7","3","3","1") = "6"
    & skf21("4","3","1","6","7","3","4","1") = "6"
    & skf21("4","3","1","6","7","3","5","1") = "6"
    & skf21("4","3","1","6","7","3","6","1") = "6"
    & skf21("4","3","1","6","7","3","7","1") = "6"
    & skf21("4","3","1","6","7","4","1","1") = "6"
    & skf21("4","3","1","6","7","4","2","1") = "6"
    & skf21("4","3","1","6","7","4","3","1") = "6"
    & skf21("4","3","1","6","7","4","4","1") = "6"
    & skf21("4","3","1","6","7","4","5","1") = "6"
    & skf21("4","3","1","6","7","4","6","1") = "6"
    & skf21("4","3","1","6","7","4","7","1") = "6"
    & skf21("4","3","1","6","7","5","1","1") = "6"
    & skf21("4","3","1","6","7","5","2","1") = "6"
    & skf21("4","3","1","6","7","5","3","1") = "6"
    & skf21("4","3","1","6","7","5","4","1") = "6"
    & skf21("4","3","1","6","7","5","5","1") = "6"
    & skf21("4","3","1","6","7","5","6","1") = "6"
    & skf21("4","3","1","6","7","5","7","1") = "6"
    & skf21("4","3","1","6","7","6","1","1") = "6"
    & skf21("4","3","1","6","7","6","2","1") = "6"
    & skf21("4","3","1","6","7","6","3","1") = "6"
    & skf21("4","3","1","6","7","6","4","1") = "6"
    & skf21("4","3","1","6","7","6","5","1") = "6"
    & skf21("4","3","1","6","7","6","6","1") = "6"
    & skf21("4","3","1","6","7","6","7","1") = "6"
    & skf21("4","3","1","6","7","7","1","1") = "6"
    & skf21("4","3","1","6","7","7","2","1") = "6"
    & skf21("4","3","1","6","7","7","3","1") = "6"
    & skf21("4","3","1","6","7","7","4","1") = "6"
    & skf21("4","3","1","6","7","7","5","1") = "6"
    & skf21("4","3","1","6","7","7","6","1") = "6"
    & skf21("4","3","1","6","7","7","7","1") = "6"
    & skf21("4","3","1","7","1","1","1","1") = "6"
    & skf21("4","3","1","7","1","1","2","1") = "6"
    & skf21("4","3","1","7","1","1","3","1") = "6"
    & skf21("4","3","1","7","1","1","4","1") = "6"
    & skf21("4","3","1","7","1","1","5","1") = "6"
    & skf21("4","3","1","7","1","1","6","1") = "6"
    & skf21("4","3","1","7","1","1","7","1") = "6"
    & skf21("4","3","1","7","1","2","1","1") = "6"
    & skf21("4","3","1","7","1","2","2","1") = "6"
    & skf21("4","3","1","7","1","2","3","1") = "6"
    & skf21("4","3","1","7","1","2","4","1") = "6"
    & skf21("4","3","1","7","1","2","5","1") = "6"
    & skf21("4","3","1","7","1","2","6","1") = "6"
    & skf21("4","3","1","7","1","2","7","1") = "6"
    & skf21("4","3","1","7","1","3","1","1") = "6"
    & skf21("4","3","1","7","1","3","2","1") = "6"
    & skf21("4","3","1","7","1","3","3","1") = "6"
    & skf21("4","3","1","7","1","3","4","1") = "6"
    & skf21("4","3","1","7","1","3","5","1") = "6"
    & skf21("4","3","1","7","1","3","6","1") = "6"
    & skf21("4","3","1","7","1","3","7","1") = "6"
    & skf21("4","3","1","7","1","4","1","1") = "6"
    & skf21("4","3","1","7","1","4","2","1") = "6"
    & skf21("4","3","1","7","1","4","3","1") = "6"
    & skf21("4","3","1","7","1","4","4","1") = "6"
    & skf21("4","3","1","7","1","4","5","1") = "6"
    & skf21("4","3","1","7","1","4","6","1") = "6"
    & skf21("4","3","1","7","1","4","7","1") = "6"
    & skf21("4","3","1","7","1","5","1","1") = "6"
    & skf21("4","3","1","7","1","5","2","1") = "6"
    & skf21("4","3","1","7","1","5","3","1") = "6"
    & skf21("4","3","1","7","1","5","4","1") = "6"
    & skf21("4","3","1","7","1","5","5","1") = "6"
    & skf21("4","3","1","7","1","5","6","1") = "6"
    & skf21("4","3","1","7","1","5","7","1") = "6"
    & skf21("4","3","1","7","1","6","1","1") = "6"
    & skf21("4","3","1","7","1","6","2","1") = "6"
    & skf21("4","3","1","7","1","6","3","1") = "6"
    & skf21("4","3","1","7","1","6","4","1") = "6"
    & skf21("4","3","1","7","1","6","5","1") = "6"
    & skf21("4","3","1","7","1","6","6","1") = "6"
    & skf21("4","3","1","7","1","6","7","1") = "6"
    & skf21("4","3","1","7","1","7","1","1") = "6"
    & skf21("4","3","1","7","1","7","2","1") = "6"
    & skf21("4","3","1","7","1","7","3","1") = "6"
    & skf21("4","3","1","7","1","7","4","1") = "6"
    & skf21("4","3","1","7","1","7","5","1") = "6"
    & skf21("4","3","1","7","1","7","6","1") = "6"
    & skf21("4","3","1","7","1","7","7","1") = "6"
    & skf21("4","3","1","7","2","1","1","1") = "6"
    & skf21("4","3","1","7","2","1","2","1") = "6"
    & skf21("4","3","1","7","2","1","3","1") = "6"
    & skf21("4","3","1","7","2","1","4","1") = "6"
    & skf21("4","3","1","7","2","1","5","1") = "6"
    & skf21("4","3","1","7","2","1","6","1") = "6"
    & skf21("4","3","1","7","2","1","7","1") = "6"
    & skf21("4","3","1","7","2","2","1","1") = "6"
    & skf21("4","3","1","7","2","2","2","1") = "6"
    & skf21("4","3","1","7","2","2","3","1") = "6"
    & skf21("4","3","1","7","2","2","4","1") = "6"
    & skf21("4","3","1","7","2","2","5","1") = "6"
    & skf21("4","3","1","7","2","2","6","1") = "6"
    & skf21("4","3","1","7","2","2","7","1") = "6"
    & skf21("4","3","1","7","2","3","1","1") = "6"
    & skf21("4","3","1","7","2","3","2","1") = "6"
    & skf21("4","3","1","7","2","3","3","1") = "6"
    & skf21("4","3","1","7","2","3","4","1") = "6"
    & skf21("4","3","1","7","2","3","5","1") = "6"
    & skf21("4","3","1","7","2","3","6","1") = "6"
    & skf21("4","3","1","7","2","3","7","1") = "6"
    & skf21("4","3","1","7","2","4","1","1") = "6"
    & skf21("4","3","1","7","2","4","2","1") = "6"
    & skf21("4","3","1","7","2","4","3","1") = "6"
    & skf21("4","3","1","7","2","4","4","1") = "6"
    & skf21("4","3","1","7","2","4","5","1") = "6"
    & skf21("4","3","1","7","2","4","6","1") = "6"
    & skf21("4","3","1","7","2","4","7","1") = "6"
    & skf21("4","3","1","7","2","5","1","1") = "6"
    & skf21("4","3","1","7","2","5","2","1") = "6"
    & skf21("4","3","1","7","2","5","3","1") = "6"
    & skf21("4","3","1","7","2","5","4","1") = "6"
    & skf21("4","3","1","7","2","5","5","1") = "6"
    & skf21("4","3","1","7","2","5","6","1") = "6"
    & skf21("4","3","1","7","2","5","7","1") = "6"
    & skf21("4","3","1","7","2","6","1","1") = "6"
    & skf21("4","3","1","7","2","6","2","1") = "6"
    & skf21("4","3","1","7","2","6","3","1") = "6"
    & skf21("4","3","1","7","2","6","4","1") = "6"
    & skf21("4","3","1","7","2","6","5","1") = "6"
    & skf21("4","3","1","7","2","6","6","1") = "6"
    & skf21("4","3","1","7","2","6","7","1") = "6"
    & skf21("4","3","1","7","2","7","1","1") = "6"
    & skf21("4","3","1","7","2","7","2","1") = "6"
    & skf21("4","3","1","7","2","7","3","1") = "6"
    & skf21("4","3","1","7","2","7","4","1") = "6"
    & skf21("4","3","1","7","2","7","5","1") = "6"
    & skf21("4","3","1","7","2","7","6","1") = "6"
    & skf21("4","3","1","7","2","7","7","1") = "6"
    & skf21("4","3","1","7","3","1","1","1") = "6"
    & skf21("4","3","1","7","3","1","2","1") = "6"
    & skf21("4","3","1","7","3","1","3","1") = "6"
    & skf21("4","3","1","7","3","1","4","1") = "6"
    & skf21("4","3","1","7","3","1","5","1") = "6"
    & skf21("4","3","1","7","3","1","6","1") = "6"
    & skf21("4","3","1","7","3","1","7","1") = "6"
    & skf21("4","3","1","7","3","2","1","1") = "6"
    & skf21("4","3","1","7","3","2","2","1") = "6"
    & skf21("4","3","1","7","3","2","3","1") = "6"
    & skf21("4","3","1","7","3","2","4","1") = "6"
    & skf21("4","3","1","7","3","2","5","1") = "6"
    & skf21("4","3","1","7","3","2","6","1") = "6"
    & skf21("4","3","1","7","3","2","7","1") = "6"
    & skf21("4","3","1","7","3","3","1","1") = "6"
    & skf21("4","3","1","7","3","3","2","1") = "6"
    & skf21("4","3","1","7","3","3","3","1") = "6"
    & skf21("4","3","1","7","3","3","4","1") = "6"
    & skf21("4","3","1","7","3","3","5","1") = "6"
    & skf21("4","3","1","7","3","3","6","1") = "6"
    & skf21("4","3","1","7","3","3","7","1") = "6"
    & skf21("4","3","1","7","3","4","1","1") = "6"
    & skf21("4","3","1","7","3","4","2","1") = "6"
    & skf21("4","3","1","7","3","4","3","1") = "6"
    & skf21("4","3","1","7","3","4","4","1") = "6"
    & skf21("4","3","1","7","3","4","5","1") = "6"
    & skf21("4","3","1","7","3","4","6","1") = "6"
    & skf21("4","3","1","7","3","4","7","1") = "6"
    & skf21("4","3","1","7","3","5","1","1") = "6"
    & skf21("4","3","1","7","3","5","2","1") = "6"
    & skf21("4","3","1","7","3","5","3","1") = "6"
    & skf21("4","3","1","7","3","5","4","1") = "6"
    & skf21("4","3","1","7","3","5","5","1") = "6"
    & skf21("4","3","1","7","3","5","6","1") = "6"
    & skf21("4","3","1","7","3","5","7","1") = "6"
    & skf21("4","3","1","7","3","6","1","1") = "6"
    & skf21("4","3","1","7","3","6","2","1") = "6"
    & skf21("4","3","1","7","3","6","3","1") = "6"
    & skf21("4","3","1","7","3","6","4","1") = "6"
    & skf21("4","3","1","7","3","6","5","1") = "6"
    & skf21("4","3","1","7","3","6","6","1") = "6"
    & skf21("4","3","1","7","3","6","7","1") = "6"
    & skf21("4","3","1","7","3","7","1","1") = "6"
    & skf21("4","3","1","7","3","7","2","1") = "6"
    & skf21("4","3","1","7","3","7","3","1") = "6"
    & skf21("4","3","1","7","3","7","4","1") = "6"
    & skf21("4","3","1","7","3","7","5","1") = "6"
    & skf21("4","3","1","7","3","7","6","1") = "6"
    & skf21("4","3","1","7","3","7","7","1") = "6"
    & skf21("4","3","1","7","4","1","1","1") = "6"
    & skf21("4","3","1","7","4","1","2","1") = "6"
    & skf21("4","3","1","7","4","1","3","1") = "6"
    & skf21("4","3","1","7","4","1","4","1") = "6"
    & skf21("4","3","1","7","4","1","5","1") = "6"
    & skf21("4","3","1","7","4","1","6","1") = "6"
    & skf21("4","3","1","7","4","1","7","1") = "6"
    & skf21("4","3","1","7","4","2","1","1") = "6"
    & skf21("4","3","1","7","4","2","2","1") = "6"
    & skf21("4","3","1","7","4","2","3","1") = "6"
    & skf21("4","3","1","7","4","2","4","1") = "6"
    & skf21("4","3","1","7","4","2","5","1") = "6"
    & skf21("4","3","1","7","4","2","6","1") = "6"
    & skf21("4","3","1","7","4","2","7","1") = "6"
    & skf21("4","3","1","7","4","3","1","1") = "6"
    & skf21("4","3","1","7","4","3","2","1") = "6"
    & skf21("4","3","1","7","4","3","3","1") = "6"
    & skf21("4","3","1","7","4","3","4","1") = "6"
    & skf21("4","3","1","7","4","3","5","1") = "6"
    & skf21("4","3","1","7","4","3","6","1") = "6"
    & skf21("4","3","1","7","4","3","7","1") = "6"
    & skf21("4","3","1","7","4","4","1","1") = "6"
    & skf21("4","3","1","7","4","4","2","1") = "6"
    & skf21("4","3","1","7","4","4","3","1") = "6"
    & skf21("4","3","1","7","4","4","4","1") = "6"
    & skf21("4","3","1","7","4","4","5","1") = "6"
    & skf21("4","3","1","7","4","4","6","1") = "6"
    & skf21("4","3","1","7","4","4","7","1") = "6"
    & skf21("4","3","1","7","4","5","1","1") = "6"
    & skf21("4","3","1","7","4","5","2","1") = "6"
    & skf21("4","3","1","7","4","5","3","1") = "6"
    & skf21("4","3","1","7","4","5","4","1") = "6"
    & skf21("4","3","1","7","4","5","5","1") = "6"
    & skf21("4","3","1","7","4","5","6","1") = "6"
    & skf21("4","3","1","7","4","5","7","1") = "6"
    & skf21("4","3","1","7","4","6","1","1") = "6"
    & skf21("4","3","1","7","4","6","2","1") = "6"
    & skf21("4","3","1","7","4","6","3","1") = "6"
    & skf21("4","3","1","7","4","6","4","1") = "6"
    & skf21("4","3","1","7","4","6","5","1") = "6"
    & skf21("4","3","1","7","4","6","6","1") = "6"
    & skf21("4","3","1","7","4","6","7","1") = "6"
    & skf21("4","3","1","7","4","7","1","1") = "6"
    & skf21("4","3","1","7","4","7","2","1") = "6"
    & skf21("4","3","1","7","4","7","3","1") = "6"
    & skf21("4","3","1","7","4","7","4","1") = "6"
    & skf21("4","3","1","7","4","7","5","1") = "6"
    & skf21("4","3","1","7","4","7","6","1") = "6"
    & skf21("4","3","1","7","4","7","7","1") = "6"
    & skf21("4","3","1","7","5","1","1","1") = "6"
    & skf21("4","3","1","7","5","1","2","1") = "6"
    & skf21("4","3","1","7","5","1","3","1") = "6"
    & skf21("4","3","1","7","5","1","4","1") = "6"
    & skf21("4","3","1","7","5","1","5","1") = "6"
    & skf21("4","3","1","7","5","1","6","1") = "6"
    & skf21("4","3","1","7","5","1","7","1") = "6"
    & skf21("4","3","1","7","5","2","1","1") = "6"
    & skf21("4","3","1","7","5","2","2","1") = "6"
    & skf21("4","3","1","7","5","2","3","1") = "6"
    & skf21("4","3","1","7","5","2","4","1") = "6"
    & skf21("4","3","1","7","5","2","5","1") = "6"
    & skf21("4","3","1","7","5","2","6","1") = "6"
    & skf21("4","3","1","7","5","2","7","1") = "6"
    & skf21("4","3","1","7","5","3","1","1") = "6"
    & skf21("4","3","1","7","5","3","2","1") = "6"
    & skf21("4","3","1","7","5","3","3","1") = "6"
    & skf21("4","3","1","7","5","3","4","1") = "6"
    & skf21("4","3","1","7","5","3","5","1") = "6"
    & skf21("4","3","1","7","5","3","6","1") = "6"
    & skf21("4","3","1","7","5","3","7","1") = "6"
    & skf21("4","3","1","7","5","4","1","1") = "6"
    & skf21("4","3","1","7","5","4","2","1") = "6"
    & skf21("4","3","1","7","5","4","3","1") = "6"
    & skf21("4","3","1","7","5","4","4","1") = "6"
    & skf21("4","3","1","7","5","4","5","1") = "6"
    & skf21("4","3","1","7","5","4","6","1") = "6"
    & skf21("4","3","1","7","5","4","7","1") = "6"
    & skf21("4","3","1","7","5","5","1","1") = "6"
    & skf21("4","3","1","7","5","5","2","1") = "6"
    & skf21("4","3","1","7","5","5","3","1") = "6"
    & skf21("4","3","1","7","5","5","4","1") = "6"
    & skf21("4","3","1","7","5","5","5","1") = "6"
    & skf21("4","3","1","7","5","5","6","1") = "6"
    & skf21("4","3","1","7","5","5","7","1") = "6"
    & skf21("4","3","1","7","5","6","1","1") = "6"
    & skf21("4","3","1","7","5","6","2","1") = "6"
    & skf21("4","3","1","7","5","6","3","1") = "6"
    & skf21("4","3","1","7","5","6","4","1") = "6"
    & skf21("4","3","1","7","5","6","5","1") = "6"
    & skf21("4","3","1","7","5","6","6","1") = "6"
    & skf21("4","3","1","7","5","6","7","1") = "6"
    & skf21("4","3","1","7","5","7","1","1") = "6"
    & skf21("4","3","1","7","5","7","2","1") = "6"
    & skf21("4","3","1","7","5","7","3","1") = "6"
    & skf21("4","3","1","7","5","7","4","1") = "6"
    & skf21("4","3","1","7","5","7","5","1") = "6"
    & skf21("4","3","1","7","5","7","6","1") = "6"
    & skf21("4","3","1","7","5","7","7","1") = "6"
    & skf21("4","3","1","7","6","1","1","1") = "6"
    & skf21("4","3","1","7","6","1","2","1") = "6"
    & skf21("4","3","1","7","6","1","3","1") = "6"
    & skf21("4","3","1","7","6","1","4","1") = "6"
    & skf21("4","3","1","7","6","1","5","1") = "6"
    & skf21("4","3","1","7","6","1","6","1") = "6"
    & skf21("4","3","1","7","6","1","7","1") = "6"
    & skf21("4","3","1","7","6","2","1","1") = "6"
    & skf21("4","3","1","7","6","2","2","1") = "6"
    & skf21("4","3","1","7","6","2","3","1") = "6"
    & skf21("4","3","1","7","6","2","4","1") = "6"
    & skf21("4","3","1","7","6","2","5","1") = "6"
    & skf21("4","3","1","7","6","2","6","1") = "6"
    & skf21("4","3","1","7","6","2","7","1") = "6"
    & skf21("4","3","1","7","6","3","1","1") = "6"
    & skf21("4","3","1","7","6","3","2","1") = "6"
    & skf21("4","3","1","7","6","3","3","1") = "6"
    & skf21("4","3","1","7","6","3","4","1") = "6"
    & skf21("4","3","1","7","6","3","5","1") = "6"
    & skf21("4","3","1","7","6","3","6","1") = "6"
    & skf21("4","3","1","7","6","3","7","1") = "6"
    & skf21("4","3","1","7","6","4","1","1") = "6"
    & skf21("4","3","1","7","6","4","2","1") = "6"
    & skf21("4","3","1","7","6","4","3","1") = "6"
    & skf21("4","3","1","7","6","4","4","1") = "6"
    & skf21("4","3","1","7","6","4","5","1") = "6"
    & skf21("4","3","1","7","6","4","6","1") = "6"
    & skf21("4","3","1","7","6","4","7","1") = "6"
    & skf21("4","3","1","7","6","5","1","1") = "6"
    & skf21("4","3","1","7","6","5","2","1") = "6"
    & skf21("4","3","1","7","6","5","3","1") = "6"
    & skf21("4","3","1","7","6","5","4","1") = "6"
    & skf21("4","3","1","7","6","5","5","1") = "6"
    & skf21("4","3","1","7","6","5","6","1") = "6"
    & skf21("4","3","1","7","6","5","7","1") = "6"
    & skf21("4","3","1","7","6","6","1","1") = "6"
    & skf21("4","3","1","7","6","6","2","1") = "6"
    & skf21("4","3","1","7","6","6","3","1") = "6"
    & skf21("4","3","1","7","6","6","4","1") = "6"
    & skf21("4","3","1","7","6","6","5","1") = "6"
    & skf21("4","3","1","7","6","6","6","1") = "6"
    & skf21("4","3","1","7","6","6","7","1") = "6"
    & skf21("4","3","1","7","6","7","1","1") = "6"
    & skf21("4","3","1","7","6","7","2","1") = "6"
    & skf21("4","3","1","7","6","7","3","1") = "6"
    & skf21("4","3","1","7","6","7","4","1") = "6"
    & skf21("4","3","1","7","6","7","5","1") = "6"
    & skf21("4","3","1","7","6","7","6","1") = "6"
    & skf21("4","3","1","7","6","7","7","1") = "6"
    & skf21("4","3","1","7","7","1","1","1") = "6"
    & skf21("4","3","1","7","7","1","2","1") = "6"
    & skf21("4","3","1","7","7","1","3","1") = "6"
    & skf21("4","3","1","7","7","1","4","1") = "6"
    & skf21("4","3","1","7","7","1","5","1") = "6"
    & skf21("4","3","1","7","7","1","6","1") = "6"
    & skf21("4","3","1","7","7","1","7","1") = "6"
    & skf21("4","3","1","7","7","2","1","1") = "6"
    & skf21("4","3","1","7","7","2","2","1") = "6"
    & skf21("4","3","1","7","7","2","3","1") = "6"
    & skf21("4","3","1","7","7","2","4","1") = "6"
    & skf21("4","3","1","7","7","2","5","1") = "6"
    & skf21("4","3","1","7","7","2","6","1") = "6"
    & skf21("4","3","1","7","7","2","7","1") = "6"
    & skf21("4","3","1","7","7","3","1","1") = "6"
    & skf21("4","3","1","7","7","3","2","1") = "6"
    & skf21("4","3","1","7","7","3","3","1") = "6"
    & skf21("4","3","1","7","7","3","4","1") = "6"
    & skf21("4","3","1","7","7","3","5","1") = "6"
    & skf21("4","3","1","7","7","3","6","1") = "6"
    & skf21("4","3","1","7","7","3","7","1") = "6"
    & skf21("4","3","1","7","7","4","1","1") = "6"
    & skf21("4","3","1","7","7","4","2","1") = "6"
    & skf21("4","3","1","7","7","4","3","1") = "6"
    & skf21("4","3","1","7","7","4","4","1") = "6"
    & skf21("4","3","1","7","7","4","5","1") = "6"
    & skf21("4","3","1","7","7","4","6","1") = "6"
    & skf21("4","3","1","7","7","4","7","1") = "6"
    & skf21("4","3","1","7","7","5","1","1") = "6"
    & skf21("4","3","1","7","7","5","2","1") = "6"
    & skf21("4","3","1","7","7","5","3","1") = "6"
    & skf21("4","3","1","7","7","5","4","1") = "6"
    & skf21("4","3","1","7","7","5","5","1") = "6"
    & skf21("4","3","1","7","7","5","6","1") = "6"
    & skf21("4","3","1","7","7","5","7","1") = "6"
    & skf21("4","3","1","7","7","6","1","1") = "6"
    & skf21("4","3","1","7","7","6","2","1") = "6"
    & skf21("4","3","1","7","7","6","3","1") = "6"
    & skf21("4","3","1","7","7","6","4","1") = "6"
    & skf21("4","3","1","7","7","6","5","1") = "6"
    & skf21("4","3","1","7","7","6","6","1") = "6"
    & skf21("4","3","1","7","7","6","7","1") = "6"
    & skf21("4","3","1","7","7","7","1","1") = "6"
    & skf21("4","3","1","7","7","7","2","1") = "6"
    & skf21("4","3","1","7","7","7","3","1") = "6"
    & skf21("4","3","1","7","7","7","4","1") = "6"
    & skf21("4","3","1","7","7","7","5","1") = "6"
    & skf21("4","3","1","7","7","7","6","1") = "6"
    & skf21("4","3","1","7","7","7","7","1") = "6"
    & skf21("4","3","2","1","1","1","1","1") = "3"
    & skf21("4","3","2","1","1","1","2","1") = "3"
    & skf21("4","3","2","1","1","1","3","1") = "3"
    & skf21("4","3","2","1","1","1","4","1") = "3"
    & skf21("4","3","2","1","1","1","5","1") = "4"
    & skf21("4","3","2","1","1","1","6","1") = "5"
    & skf21("4","3","2","1","1","1","7","1") = "6"
    & skf21("4","3","2","1","1","2","1","1") = "3"
    & skf21("4","3","2","1","1","2","2","1") = "3"
    & skf21("4","3","2","1","1","2","3","1") = "3"
    & skf21("4","3","2","1","1","2","4","1") = "3"
    & skf21("4","3","2","1","1","2","5","1") = "4"
    & skf21("4","3","2","1","1","2","6","1") = "5"
    & skf21("4","3","2","1","1","2","7","1") = "6"
    & skf21("4","3","2","1","1","3","1","1") = "3"
    & skf21("4","3","2","1","1","3","2","1") = "3"
    & skf21("4","3","2","1","1","3","3","1") = "3"
    & skf21("4","3","2","1","1","3","4","1") = "3"
    & skf21("4","3","2","1","1","3","5","1") = "4"
    & skf21("4","3","2","1","1","3","6","1") = "5"
    & skf21("4","3","2","1","1","3","7","1") = "6"
    & skf21("4","3","2","1","1","4","1","1") = "3"
    & skf21("4","3","2","1","1","4","2","1") = "3"
    & skf21("4","3","2","1","1","4","3","1") = "3"
    & skf21("4","3","2","1","1","4","4","1") = "3"
    & skf21("4","3","2","1","1","4","5","1") = "4"
    & skf21("4","3","2","1","1","4","6","1") = "5"
    & skf21("4","3","2","1","1","4","7","1") = "6"
    & skf21("4","3","2","1","1","5","1","1") = "4"
    & skf21("4","3","2","1","1","5","2","1") = "4"
    & skf21("4","3","2","1","1","5","3","1") = "4"
    & skf21("4","3","2","1","1","5","4","1") = "4"
    & skf21("4","3","2","1","1","5","5","1") = "4"
    & skf21("4","3","2","1","1","5","6","1") = "5"
    & skf21("4","3","2","1","1","5","7","1") = "6"
    & skf21("4","3","2","1","1","6","1","1") = "5"
    & skf21("4","3","2","1","1","6","2","1") = "5"
    & skf21("4","3","2","1","1","6","3","1") = "5"
    & skf21("4","3","2","1","1","6","4","1") = "5"
    & skf21("4","3","2","1","1","6","5","1") = "5"
    & skf21("4","3","2","1","1","6","6","1") = "5"
    & skf21("4","3","2","1","1","6","7","1") = "6"
    & skf21("4","3","2","1","1","7","1","1") = "6"
    & skf21("4","3","2","1","1","7","2","1") = "6"
    & skf21("4","3","2","1","1","7","3","1") = "6"
    & skf21("4","3","2","1","1","7","4","1") = "6"
    & skf21("4","3","2","1","1","7","5","1") = "6"
    & skf21("4","3","2","1","1","7","6","1") = "6"
    & skf21("4","3","2","1","1","7","7","1") = "6"
    & skf21("4","3","2","1","2","1","1","1") = "3"
    & skf21("4","3","2","1","2","1","2","1") = "3"
    & skf21("4","3","2","1","2","1","3","1") = "3"
    & skf21("4","3","2","1","2","1","4","1") = "3"
    & skf21("4","3","2","1","2","1","5","1") = "4"
    & skf21("4","3","2","1","2","1","6","1") = "5"
    & skf21("4","3","2","1","2","1","7","1") = "6"
    & skf21("4","3","2","1","2","2","1","1") = "3"
    & skf21("4","3","2","1","2","2","2","1") = "3"
    & skf21("4","3","2","1","2","2","3","1") = "3"
    & skf21("4","3","2","1","2","2","4","1") = "3"
    & skf21("4","3","2","1","2","2","5","1") = "4"
    & skf21("4","3","2","1","2","2","6","1") = "5"
    & skf21("4","3","2","1","2","2","7","1") = "6"
    & skf21("4","3","2","1","2","3","1","1") = "3"
    & skf21("4","3","2","1","2","3","2","1") = "3"
    & skf21("4","3","2","1","2","3","3","1") = "3"
    & skf21("4","3","2","1","2","3","4","1") = "3"
    & skf21("4","3","2","1","2","3","5","1") = "4"
    & skf21("4","3","2","1","2","3","6","1") = "5"
    & skf21("4","3","2","1","2","3","7","1") = "6"
    & skf21("4","3","2","1","2","4","1","1") = "3"
    & skf21("4","3","2","1","2","4","2","1") = "3"
    & skf21("4","3","2","1","2","4","3","1") = "3"
    & skf21("4","3","2","1","2","4","4","1") = "3"
    & skf21("4","3","2","1","2","4","5","1") = "4"
    & skf21("4","3","2","1","2","4","6","1") = "5"
    & skf21("4","3","2","1","2","4","7","1") = "6"
    & skf21("4","3","2","1","2","5","1","1") = "4"
    & skf21("4","3","2","1","2","5","2","1") = "4"
    & skf21("4","3","2","1","2","5","3","1") = "4"
    & skf21("4","3","2","1","2","5","4","1") = "4"
    & skf21("4","3","2","1","2","5","5","1") = "4"
    & skf21("4","3","2","1","2","5","6","1") = "5"
    & skf21("4","3","2","1","2","5","7","1") = "6"
    & skf21("4","3","2","1","2","6","1","1") = "5"
    & skf21("4","3","2","1","2","6","2","1") = "5"
    & skf21("4","3","2","1","2","6","3","1") = "5"
    & skf21("4","3","2","1","2","6","4","1") = "5"
    & skf21("4","3","2","1","2","6","5","1") = "5"
    & skf21("4","3","2","1","2","6","6","1") = "5"
    & skf21("4","3","2","1","2","6","7","1") = "6"
    & skf21("4","3","2","1","2","7","1","1") = "6"
    & skf21("4","3","2","1","2","7","2","1") = "6"
    & skf21("4","3","2","1","2","7","3","1") = "6"
    & skf21("4","3","2","1","2","7","4","1") = "6"
    & skf21("4","3","2","1","2","7","5","1") = "6"
    & skf21("4","3","2","1","2","7","6","1") = "6"
    & skf21("4","3","2","1","2","7","7","1") = "6"
    & skf21("4","3","2","1","3","1","1","1") = "3"
    & skf21("4","3","2","1","3","1","2","1") = "3"
    & skf21("4","3","2","1","3","1","3","1") = "3"
    & skf21("4","3","2","1","3","1","4","1") = "3"
    & skf21("4","3","2","1","3","1","5","1") = "4"
    & skf21("4","3","2","1","3","1","6","1") = "5"
    & skf21("4","3","2","1","3","1","7","1") = "6"
    & skf21("4","3","2","1","3","2","1","1") = "3"
    & skf21("4","3","2","1","3","2","2","1") = "3"
    & skf21("4","3","2","1","3","2","3","1") = "3"
    & skf21("4","3","2","1","3","2","4","1") = "3"
    & skf21("4","3","2","1","3","2","5","1") = "4"
    & skf21("4","3","2","1","3","2","6","1") = "5"
    & skf21("4","3","2","1","3","2","7","1") = "6"
    & skf21("4","3","2","1","3","3","1","1") = "3"
    & skf21("4","3","2","1","3","3","2","1") = "3"
    & skf21("4","3","2","1","3","3","3","1") = "3"
    & skf21("4","3","2","1","3","3","4","1") = "3"
    & skf21("4","3","2","1","3","3","5","1") = "4"
    & skf21("4","3","2","1","3","3","6","1") = "5"
    & skf21("4","3","2","1","3","3","7","1") = "6"
    & skf21("4","3","2","1","3","4","1","1") = "3"
    & skf21("4","3","2","1","3","4","2","1") = "3"
    & skf21("4","3","2","1","3","4","3","1") = "3"
    & skf21("4","3","2","1","3","4","4","1") = "3"
    & skf21("4","3","2","1","3","4","5","1") = "4"
    & skf21("4","3","2","1","3","4","6","1") = "5"
    & skf21("4","3","2","1","3","4","7","1") = "6"
    & skf21("4","3","2","1","3","5","1","1") = "4"
    & skf21("4","3","2","1","3","5","2","1") = "4"
    & skf21("4","3","2","1","3","5","3","1") = "4"
    & skf21("4","3","2","1","3","5","4","1") = "4"
    & skf21("4","3","2","1","3","5","5","1") = "4"
    & skf21("4","3","2","1","3","5","6","1") = "5"
    & skf21("4","3","2","1","3","5","7","1") = "6"
    & skf21("4","3","2","1","3","6","1","1") = "5"
    & skf21("4","3","2","1","3","6","2","1") = "5"
    & skf21("4","3","2","1","3","6","3","1") = "5"
    & skf21("4","3","2","1","3","6","4","1") = "5"
    & skf21("4","3","2","1","3","6","5","1") = "5"
    & skf21("4","3","2","1","3","6","6","1") = "5"
    & skf21("4","3","2","1","3","6","7","1") = "6"
    & skf21("4","3","2","1","3","7","1","1") = "6"
    & skf21("4","3","2","1","3","7","2","1") = "6"
    & skf21("4","3","2","1","3","7","3","1") = "6"
    & skf21("4","3","2","1","3","7","4","1") = "6"
    & skf21("4","3","2","1","3","7","5","1") = "6"
    & skf21("4","3","2","1","3","7","6","1") = "6"
    & skf21("4","3","2","1","3","7","7","1") = "6"
    & skf21("4","3","2","1","4","1","1","1") = "3"
    & skf21("4","3","2","1","4","1","2","1") = "3"
    & skf21("4","3","2","1","4","1","3","1") = "3"
    & skf21("4","3","2","1","4","1","4","1") = "3"
    & skf21("4","3","2","1","4","1","5","1") = "4"
    & skf21("4","3","2","1","4","1","6","1") = "5"
    & skf21("4","3","2","1","4","1","7","1") = "6"
    & skf21("4","3","2","1","4","2","1","1") = "3"
    & skf21("4","3","2","1","4","2","2","1") = "3"
    & skf21("4","3","2","1","4","2","3","1") = "3"
    & skf21("4","3","2","1","4","2","4","1") = "3"
    & skf21("4","3","2","1","4","2","5","1") = "4"
    & skf21("4","3","2","1","4","2","6","1") = "5"
    & skf21("4","3","2","1","4","2","7","1") = "6"
    & skf21("4","3","2","1","4","3","1","1") = "3"
    & skf21("4","3","2","1","4","3","2","1") = "3"
    & skf21("4","3","2","1","4","3","3","1") = "3"
    & skf21("4","3","2","1","4","3","4","1") = "3"
    & skf21("4","3","2","1","4","3","5","1") = "4"
    & skf21("4","3","2","1","4","3","6","1") = "5"
    & skf21("4","3","2","1","4","3","7","1") = "6"
    & skf21("4","3","2","1","4","4","1","1") = "3"
    & skf21("4","3","2","1","4","4","2","1") = "3"
    & skf21("4","3","2","1","4","4","3","1") = "3"
    & skf21("4","3","2","1","4","4","4","1") = "3"
    & skf21("4","3","2","1","4","4","5","1") = "4"
    & skf21("4","3","2","1","4","4","6","1") = "5"
    & skf21("4","3","2","1","4","4","7","1") = "6"
    & skf21("4","3","2","1","4","5","1","1") = "4"
    & skf21("4","3","2","1","4","5","2","1") = "4"
    & skf21("4","3","2","1","4","5","3","1") = "4"
    & skf21("4","3","2","1","4","5","4","1") = "4"
    & skf21("4","3","2","1","4","5","5","1") = "4"
    & skf21("4","3","2","1","4","5","6","1") = "5"
    & skf21("4","3","2","1","4","5","7","1") = "6"
    & skf21("4","3","2","1","4","6","1","1") = "5"
    & skf21("4","3","2","1","4","6","2","1") = "5"
    & skf21("4","3","2","1","4","6","3","1") = "5"
    & skf21("4","3","2","1","4","6","4","1") = "5"
    & skf21("4","3","2","1","4","6","5","1") = "5"
    & skf21("4","3","2","1","4","6","6","1") = "5"
    & skf21("4","3","2","1","4","6","7","1") = "6"
    & skf21("4","3","2","1","4","7","1","1") = "6"
    & skf21("4","3","2","1","4","7","2","1") = "6"
    & skf21("4","3","2","1","4","7","3","1") = "6"
    & skf21("4","3","2","1","4","7","4","1") = "6"
    & skf21("4","3","2","1","4","7","5","1") = "6"
    & skf21("4","3","2","1","4","7","6","1") = "6"
    & skf21("4","3","2","1","4","7","7","1") = "6"
    & skf21("4","3","2","1","5","1","1","1") = "4"
    & skf21("4","3","2","1","5","1","2","1") = "4"
    & skf21("4","3","2","1","5","1","3","1") = "4"
    & skf21("4","3","2","1","5","1","4","1") = "4"
    & skf21("4","3","2","1","5","1","5","1") = "4"
    & skf21("4","3","2","1","5","1","6","1") = "5"
    & skf21("4","3","2","1","5","1","7","1") = "6"
    & skf21("4","3","2","1","5","2","1","1") = "4"
    & skf21("4","3","2","1","5","2","2","1") = "4"
    & skf21("4","3","2","1","5","2","3","1") = "4"
    & skf21("4","3","2","1","5","2","4","1") = "4"
    & skf21("4","3","2","1","5","2","5","1") = "4"
    & skf21("4","3","2","1","5","2","6","1") = "5"
    & skf21("4","3","2","1","5","2","7","1") = "6"
    & skf21("4","3","2","1","5","3","1","1") = "4"
    & skf21("4","3","2","1","5","3","2","1") = "4"
    & skf21("4","3","2","1","5","3","3","1") = "4"
    & skf21("4","3","2","1","5","3","4","1") = "4"
    & skf21("4","3","2","1","5","3","5","1") = "4"
    & skf21("4","3","2","1","5","3","6","1") = "5"
    & skf21("4","3","2","1","5","3","7","1") = "6"
    & skf21("4","3","2","1","5","4","1","1") = "4"
    & skf21("4","3","2","1","5","4","2","1") = "4"
    & skf21("4","3","2","1","5","4","3","1") = "4"
    & skf21("4","3","2","1","5","4","4","1") = "4"
    & skf21("4","3","2","1","5","4","5","1") = "4"
    & skf21("4","3","2","1","5","4","6","1") = "5"
    & skf21("4","3","2","1","5","4","7","1") = "6"
    & skf21("4","3","2","1","5","5","1","1") = "4"
    & skf21("4","3","2","1","5","5","2","1") = "4"
    & skf21("4","3","2","1","5","5","3","1") = "4"
    & skf21("4","3","2","1","5","5","4","1") = "4"
    & skf21("4","3","2","1","5","5","5","1") = "4"
    & skf21("4","3","2","1","5","5","6","1") = "5"
    & skf21("4","3","2","1","5","5","7","1") = "6"
    & skf21("4","3","2","1","5","6","1","1") = "5"
    & skf21("4","3","2","1","5","6","2","1") = "5"
    & skf21("4","3","2","1","5","6","3","1") = "5"
    & skf21("4","3","2","1","5","6","4","1") = "5"
    & skf21("4","3","2","1","5","6","5","1") = "5"
    & skf21("4","3","2","1","5","6","6","1") = "5"
    & skf21("4","3","2","1","5","6","7","1") = "6"
    & skf21("4","3","2","1","5","7","1","1") = "6"
    & skf21("4","3","2","1","5","7","2","1") = "6"
    & skf21("4","3","2","1","5","7","3","1") = "6"
    & skf21("4","3","2","1","5","7","4","1") = "6"
    & skf21("4","3","2","1","5","7","5","1") = "6"
    & skf21("4","3","2","1","5","7","6","1") = "6"
    & skf21("4","3","2","1","5","7","7","1") = "6"
    & skf21("4","3","2","1","6","1","1","1") = "5"
    & skf21("4","3","2","1","6","1","2","1") = "5"
    & skf21("4","3","2","1","6","1","3","1") = "5"
    & skf21("4","3","2","1","6","1","4","1") = "5"
    & skf21("4","3","2","1","6","1","5","1") = "5"
    & skf21("4","3","2","1","6","1","6","1") = "5"
    & skf21("4","3","2","1","6","1","7","1") = "6"
    & skf21("4","3","2","1","6","2","1","1") = "5"
    & skf21("4","3","2","1","6","2","2","1") = "5"
    & skf21("4","3","2","1","6","2","3","1") = "5"
    & skf21("4","3","2","1","6","2","4","1") = "5"
    & skf21("4","3","2","1","6","2","5","1") = "5"
    & skf21("4","3","2","1","6","2","6","1") = "5"
    & skf21("4","3","2","1","6","2","7","1") = "6"
    & skf21("4","3","2","1","6","3","1","1") = "5"
    & skf21("4","3","2","1","6","3","2","1") = "5"
    & skf21("4","3","2","1","6","3","3","1") = "5"
    & skf21("4","3","2","1","6","3","4","1") = "5"
    & skf21("4","3","2","1","6","3","5","1") = "5"
    & skf21("4","3","2","1","6","3","6","1") = "5"
    & skf21("4","3","2","1","6","3","7","1") = "6"
    & skf21("4","3","2","1","6","4","1","1") = "5"
    & skf21("4","3","2","1","6","4","2","1") = "5"
    & skf21("4","3","2","1","6","4","3","1") = "5"
    & skf21("4","3","2","1","6","4","4","1") = "5"
    & skf21("4","3","2","1","6","4","5","1") = "5"
    & skf21("4","3","2","1","6","4","6","1") = "5"
    & skf21("4","3","2","1","6","4","7","1") = "6"
    & skf21("4","3","2","1","6","5","1","1") = "5"
    & skf21("4","3","2","1","6","5","2","1") = "5"
    & skf21("4","3","2","1","6","5","3","1") = "5"
    & skf21("4","3","2","1","6","5","4","1") = "5"
    & skf21("4","3","2","1","6","5","5","1") = "5"
    & skf21("4","3","2","1","6","5","6","1") = "5"
    & skf21("4","3","2","1","6","5","7","1") = "6"
    & skf21("4","3","2","1","6","6","1","1") = "5"
    & skf21("4","3","2","1","6","6","2","1") = "5"
    & skf21("4","3","2","1","6","6","3","1") = "5"
    & skf21("4","3","2","1","6","6","4","1") = "5"
    & skf21("4","3","2","1","6","6","5","1") = "5"
    & skf21("4","3","2","1","6","6","6","1") = "5"
    & skf21("4","3","2","1","6","6","7","1") = "6"
    & skf21("4","3","2","1","6","7","1","1") = "6"
    & skf21("4","3","2","1","6","7","2","1") = "6"
    & skf21("4","3","2","1","6","7","3","1") = "6"
    & skf21("4","3","2","1","6","7","4","1") = "6"
    & skf21("4","3","2","1","6","7","5","1") = "6"
    & skf21("4","3","2","1","6","7","6","1") = "6"
    & skf21("4","3","2","1","6","7","7","1") = "6"
    & skf21("4","3","2","1","7","1","1","1") = "6"
    & skf21("4","3","2","1","7","1","2","1") = "6"
    & skf21("4","3","2","1","7","1","3","1") = "6"
    & skf21("4","3","2","1","7","1","4","1") = "6"
    & skf21("4","3","2","1","7","1","5","1") = "6"
    & skf21("4","3","2","1","7","1","6","1") = "6"
    & skf21("4","3","2","1","7","1","7","1") = "6"
    & skf21("4","3","2","1","7","2","1","1") = "6"
    & skf21("4","3","2","1","7","2","2","1") = "6"
    & skf21("4","3","2","1","7","2","3","1") = "6"
    & skf21("4","3","2","1","7","2","4","1") = "6"
    & skf21("4","3","2","1","7","2","5","1") = "6"
    & skf21("4","3","2","1","7","2","6","1") = "6"
    & skf21("4","3","2","1","7","2","7","1") = "6"
    & skf21("4","3","2","1","7","3","1","1") = "6"
    & skf21("4","3","2","1","7","3","2","1") = "6"
    & skf21("4","3","2","1","7","3","3","1") = "6"
    & skf21("4","3","2","1","7","3","4","1") = "6"
    & skf21("4","3","2","1","7","3","5","1") = "6"
    & skf21("4","3","2","1","7","3","6","1") = "6"
    & skf21("4","3","2","1","7","3","7","1") = "6"
    & skf21("4","3","2","1","7","4","1","1") = "6"
    & skf21("4","3","2","1","7","4","2","1") = "6"
    & skf21("4","3","2","1","7","4","3","1") = "6"
    & skf21("4","3","2","1","7","4","4","1") = "6"
    & skf21("4","3","2","1","7","4","5","1") = "6"
    & skf21("4","3","2","1","7","4","6","1") = "6"
    & skf21("4","3","2","1","7","4","7","1") = "6"
    & skf21("4","3","2","1","7","5","1","1") = "6"
    & skf21("4","3","2","1","7","5","2","1") = "6"
    & skf21("4","3","2","1","7","5","3","1") = "6"
    & skf21("4","3","2","1","7","5","4","1") = "6"
    & skf21("4","3","2","1","7","5","5","1") = "6"
    & skf21("4","3","2","1","7","5","6","1") = "6"
    & skf21("4","3","2","1","7","5","7","1") = "6"
    & skf21("4","3","2","1","7","6","1","1") = "6"
    & skf21("4","3","2","1","7","6","2","1") = "6"
    & skf21("4","3","2","1","7","6","3","1") = "6"
    & skf21("4","3","2","1","7","6","4","1") = "6"
    & skf21("4","3","2","1","7","6","5","1") = "6"
    & skf21("4","3","2","1","7","6","6","1") = "6"
    & skf21("4","3","2","1","7","6","7","1") = "6"
    & skf21("4","3","2","1","7","7","1","1") = "6"
    & skf21("4","3","2","1","7","7","2","1") = "6"
    & skf21("4","3","2","1","7","7","3","1") = "6"
    & skf21("4","3","2","1","7","7","4","1") = "6"
    & skf21("4","3","2","1","7","7","5","1") = "6"
    & skf21("4","3","2","1","7","7","6","1") = "6"
    & skf21("4","3","2","1","7","7","7","1") = "6"
    & skf21("4","3","2","2","1","1","1","1") = "3"
    & skf21("4","3","2","2","1","1","2","1") = "3"
    & skf21("4","3","2","2","1","1","3","1") = "3"
    & skf21("4","3","2","2","1","1","4","1") = "3"
    & skf21("4","3","2","2","1","1","5","1") = "4"
    & skf21("4","3","2","2","1","1","6","1") = "5"
    & skf21("4","3","2","2","1","1","7","1") = "6"
    & skf21("4","3","2","2","1","2","1","1") = "3"
    & skf21("4","3","2","2","1","2","2","1") = "3"
    & skf21("4","3","2","2","1","2","3","1") = "3"
    & skf21("4","3","2","2","1","2","4","1") = "3"
    & skf21("4","3","2","2","1","2","5","1") = "4"
    & skf21("4","3","2","2","1","2","6","1") = "5"
    & skf21("4","3","2","2","1","2","7","1") = "6"
    & skf21("4","3","2","2","1","3","1","1") = "3"
    & skf21("4","3","2","2","1","3","2","1") = "3"
    & skf21("4","3","2","2","1","3","3","1") = "3"
    & skf21("4","3","2","2","1","3","4","1") = "3"
    & skf21("4","3","2","2","1","3","5","1") = "4"
    & skf21("4","3","2","2","1","3","6","1") = "5"
    & skf21("4","3","2","2","1","3","7","1") = "6"
    & skf21("4","3","2","2","1","4","1","1") = "3"
    & skf21("4","3","2","2","1","4","2","1") = "3"
    & skf21("4","3","2","2","1","4","3","1") = "3"
    & skf21("4","3","2","2","1","4","4","1") = "3"
    & skf21("4","3","2","2","1","4","5","1") = "4"
    & skf21("4","3","2","2","1","4","6","1") = "5"
    & skf21("4","3","2","2","1","4","7","1") = "6"
    & skf21("4","3","2","2","1","5","1","1") = "4"
    & skf21("4","3","2","2","1","5","2","1") = "4"
    & skf21("4","3","2","2","1","5","3","1") = "4"
    & skf21("4","3","2","2","1","5","4","1") = "4"
    & skf21("4","3","2","2","1","5","5","1") = "4"
    & skf21("4","3","2","2","1","5","6","1") = "5"
    & skf21("4","3","2","2","1","5","7","1") = "6"
    & skf21("4","3","2","2","1","6","1","1") = "5"
    & skf21("4","3","2","2","1","6","2","1") = "5"
    & skf21("4","3","2","2","1","6","3","1") = "5"
    & skf21("4","3","2","2","1","6","4","1") = "5"
    & skf21("4","3","2","2","1","6","5","1") = "5"
    & skf21("4","3","2","2","1","6","6","1") = "5"
    & skf21("4","3","2","2","1","6","7","1") = "6"
    & skf21("4","3","2","2","1","7","1","1") = "6"
    & skf21("4","3","2","2","1","7","2","1") = "6"
    & skf21("4","3","2","2","1","7","3","1") = "6"
    & skf21("4","3","2","2","1","7","4","1") = "6"
    & skf21("4","3","2","2","1","7","5","1") = "6"
    & skf21("4","3","2","2","1","7","6","1") = "6"
    & skf21("4","3","2","2","1","7","7","1") = "6"
    & skf21("4","3","2","2","2","1","1","1") = "3"
    & skf21("4","3","2","2","2","1","2","1") = "3"
    & skf21("4","3","2","2","2","1","3","1") = "3"
    & skf21("4","3","2","2","2","1","4","1") = "3"
    & skf21("4","3","2","2","2","1","5","1") = "4"
    & skf21("4","3","2","2","2","1","6","1") = "5"
    & skf21("4","3","2","2","2","1","7","1") = "6"
    & skf21("4","3","2","2","2","2","1","1") = "3"
    & skf21("4","3","2","2","2","2","2","1") = "3"
    & skf21("4","3","2","2","2","2","3","1") = "3"
    & skf21("4","3","2","2","2","2","4","1") = "3"
    & skf21("4","3","2","2","2","2","5","1") = "4"
    & skf21("4","3","2","2","2","2","6","1") = "5"
    & skf21("4","3","2","2","2","2","7","1") = "6"
    & skf21("4","3","2","2","2","3","1","1") = "3"
    & skf21("4","3","2","2","2","3","2","1") = "3"
    & skf21("4","3","2","2","2","3","3","1") = "3"
    & skf21("4","3","2","2","2","3","4","1") = "3"
    & skf21("4","3","2","2","2","3","5","1") = "4"
    & skf21("4","3","2","2","2","3","6","1") = "5"
    & skf21("4","3","2","2","2","3","7","1") = "6"
    & skf21("4","3","2","2","2","4","1","1") = "3"
    & skf21("4","3","2","2","2","4","2","1") = "3"
    & skf21("4","3","2","2","2","4","3","1") = "3"
    & skf21("4","3","2","2","2","4","4","1") = "3"
    & skf21("4","3","2","2","2","4","5","1") = "4"
    & skf21("4","3","2","2","2","4","6","1") = "5"
    & skf21("4","3","2","2","2","4","7","1") = "6"
    & skf21("4","3","2","2","2","5","1","1") = "4"
    & skf21("4","3","2","2","2","5","2","1") = "4"
    & skf21("4","3","2","2","2","5","3","1") = "4"
    & skf21("4","3","2","2","2","5","4","1") = "4"
    & skf21("4","3","2","2","2","5","5","1") = "4"
    & skf21("4","3","2","2","2","5","6","1") = "5"
    & skf21("4","3","2","2","2","5","7","1") = "6"
    & skf21("4","3","2","2","2","6","1","1") = "5"
    & skf21("4","3","2","2","2","6","2","1") = "5"
    & skf21("4","3","2","2","2","6","3","1") = "5"
    & skf21("4","3","2","2","2","6","4","1") = "5"
    & skf21("4","3","2","2","2","6","5","1") = "5"
    & skf21("4","3","2","2","2","6","6","1") = "5"
    & skf21("4","3","2","2","2","6","7","1") = "6"
    & skf21("4","3","2","2","2","7","1","1") = "6"
    & skf21("4","3","2","2","2","7","2","1") = "6"
    & skf21("4","3","2","2","2","7","3","1") = "6"
    & skf21("4","3","2","2","2","7","4","1") = "6"
    & skf21("4","3","2","2","2","7","5","1") = "6"
    & skf21("4","3","2","2","2","7","6","1") = "6"
    & skf21("4","3","2","2","2","7","7","1") = "6"
    & skf21("4","3","2","2","3","1","1","1") = "3"
    & skf21("4","3","2","2","3","1","2","1") = "3"
    & skf21("4","3","2","2","3","1","3","1") = "3"
    & skf21("4","3","2","2","3","1","4","1") = "3"
    & skf21("4","3","2","2","3","1","5","1") = "4"
    & skf21("4","3","2","2","3","1","6","1") = "5"
    & skf21("4","3","2","2","3","1","7","1") = "6"
    & skf21("4","3","2","2","3","2","1","1") = "3"
    & skf21("4","3","2","2","3","2","2","1") = "3"
    & skf21("4","3","2","2","3","2","3","1") = "3"
    & skf21("4","3","2","2","3","2","4","1") = "3"
    & skf21("4","3","2","2","3","2","5","1") = "4"
    & skf21("4","3","2","2","3","2","6","1") = "5"
    & skf21("4","3","2","2","3","2","7","1") = "6"
    & skf21("4","3","2","2","3","3","1","1") = "3"
    & skf21("4","3","2","2","3","3","2","1") = "3"
    & skf21("4","3","2","2","3","3","3","1") = "3"
    & skf21("4","3","2","2","3","3","4","1") = "3"
    & skf21("4","3","2","2","3","3","5","1") = "4"
    & skf21("4","3","2","2","3","3","6","1") = "5"
    & skf21("4","3","2","2","3","3","7","1") = "6"
    & skf21("4","3","2","2","3","4","1","1") = "3"
    & skf21("4","3","2","2","3","4","2","1") = "3"
    & skf21("4","3","2","2","3","4","3","1") = "3"
    & skf21("4","3","2","2","3","4","4","1") = "3"
    & skf21("4","3","2","2","3","4","5","1") = "4"
    & skf21("4","3","2","2","3","4","6","1") = "5"
    & skf21("4","3","2","2","3","4","7","1") = "6"
    & skf21("4","3","2","2","3","5","1","1") = "4"
    & skf21("4","3","2","2","3","5","2","1") = "4"
    & skf21("4","3","2","2","3","5","3","1") = "4"
    & skf21("4","3","2","2","3","5","4","1") = "4"
    & skf21("4","3","2","2","3","5","5","1") = "4"
    & skf21("4","3","2","2","3","5","6","1") = "5"
    & skf21("4","3","2","2","3","5","7","1") = "6"
    & skf21("4","3","2","2","3","6","1","1") = "5"
    & skf21("4","3","2","2","3","6","2","1") = "5"
    & skf21("4","3","2","2","3","6","3","1") = "5"
    & skf21("4","3","2","2","3","6","4","1") = "5"
    & skf21("4","3","2","2","3","6","5","1") = "5"
    & skf21("4","3","2","2","3","6","6","1") = "5"
    & skf21("4","3","2","2","3","6","7","1") = "6"
    & skf21("4","3","2","2","3","7","1","1") = "6"
    & skf21("4","3","2","2","3","7","2","1") = "6"
    & skf21("4","3","2","2","3","7","3","1") = "6"
    & skf21("4","3","2","2","3","7","4","1") = "6"
    & skf21("4","3","2","2","3","7","5","1") = "6"
    & skf21("4","3","2","2","3","7","6","1") = "6"
    & skf21("4","3","2","2","3","7","7","1") = "6"
    & skf21("4","3","2","2","4","1","1","1") = "3"
    & skf21("4","3","2","2","4","1","2","1") = "3"
    & skf21("4","3","2","2","4","1","3","1") = "3"
    & skf21("4","3","2","2","4","1","4","1") = "3"
    & skf21("4","3","2","2","4","1","5","1") = "4"
    & skf21("4","3","2","2","4","1","6","1") = "5"
    & skf21("4","3","2","2","4","1","7","1") = "6"
    & skf21("4","3","2","2","4","2","1","1") = "3"
    & skf21("4","3","2","2","4","2","2","1") = "3"
    & skf21("4","3","2","2","4","2","3","1") = "3"
    & skf21("4","3","2","2","4","2","4","1") = "3"
    & skf21("4","3","2","2","4","2","5","1") = "4"
    & skf21("4","3","2","2","4","2","6","1") = "5"
    & skf21("4","3","2","2","4","2","7","1") = "6"
    & skf21("4","3","2","2","4","3","1","1") = "3"
    & skf21("4","3","2","2","4","3","2","1") = "3"
    & skf21("4","3","2","2","4","3","3","1") = "3"
    & skf21("4","3","2","2","4","3","4","1") = "3"
    & skf21("4","3","2","2","4","3","5","1") = "4"
    & skf21("4","3","2","2","4","3","6","1") = "5"
    & skf21("4","3","2","2","4","3","7","1") = "6"
    & skf21("4","3","2","2","4","4","1","1") = "3"
    & skf21("4","3","2","2","4","4","2","1") = "3"
    & skf21("4","3","2","2","4","4","3","1") = "3"
    & skf21("4","3","2","2","4","4","4","1") = "3"
    & skf21("4","3","2","2","4","4","5","1") = "4"
    & skf21("4","3","2","2","4","4","6","1") = "5"
    & skf21("4","3","2","2","4","4","7","1") = "6"
    & skf21("4","3","2","2","4","5","1","1") = "4"
    & skf21("4","3","2","2","4","5","2","1") = "4"
    & skf21("4","3","2","2","4","5","3","1") = "4"
    & skf21("4","3","2","2","4","5","4","1") = "4"
    & skf21("4","3","2","2","4","5","5","1") = "4"
    & skf21("4","3","2","2","4","5","6","1") = "5"
    & skf21("4","3","2","2","4","5","7","1") = "6"
    & skf21("4","3","2","2","4","6","1","1") = "5"
    & skf21("4","3","2","2","4","6","2","1") = "5"
    & skf21("4","3","2","2","4","6","3","1") = "5"
    & skf21("4","3","2","2","4","6","4","1") = "5"
    & skf21("4","3","2","2","4","6","5","1") = "5"
    & skf21("4","3","2","2","4","6","6","1") = "5"
    & skf21("4","3","2","2","4","6","7","1") = "6"
    & skf21("4","3","2","2","4","7","1","1") = "6"
    & skf21("4","3","2","2","4","7","2","1") = "6"
    & skf21("4","3","2","2","4","7","3","1") = "6"
    & skf21("4","3","2","2","4","7","4","1") = "6"
    & skf21("4","3","2","2","4","7","5","1") = "6"
    & skf21("4","3","2","2","4","7","6","1") = "6"
    & skf21("4","3","2","2","4","7","7","1") = "6"
    & skf21("4","3","2","2","5","1","1","1") = "4"
    & skf21("4","3","2","2","5","1","2","1") = "4"
    & skf21("4","3","2","2","5","1","3","1") = "4"
    & skf21("4","3","2","2","5","1","4","1") = "4"
    & skf21("4","3","2","2","5","1","5","1") = "4"
    & skf21("4","3","2","2","5","1","6","1") = "5"
    & skf21("4","3","2","2","5","1","7","1") = "6"
    & skf21("4","3","2","2","5","2","1","1") = "4"
    & skf21("4","3","2","2","5","2","2","1") = "4"
    & skf21("4","3","2","2","5","2","3","1") = "4"
    & skf21("4","3","2","2","5","2","4","1") = "4"
    & skf21("4","3","2","2","5","2","5","1") = "4"
    & skf21("4","3","2","2","5","2","6","1") = "5"
    & skf21("4","3","2","2","5","2","7","1") = "6"
    & skf21("4","3","2","2","5","3","1","1") = "4"
    & skf21("4","3","2","2","5","3","2","1") = "4"
    & skf21("4","3","2","2","5","3","3","1") = "4"
    & skf21("4","3","2","2","5","3","4","1") = "4"
    & skf21("4","3","2","2","5","3","5","1") = "4"
    & skf21("4","3","2","2","5","3","6","1") = "5"
    & skf21("4","3","2","2","5","3","7","1") = "6"
    & skf21("4","3","2","2","5","4","1","1") = "4"
    & skf21("4","3","2","2","5","4","2","1") = "4"
    & skf21("4","3","2","2","5","4","3","1") = "4"
    & skf21("4","3","2","2","5","4","4","1") = "4"
    & skf21("4","3","2","2","5","4","5","1") = "4"
    & skf21("4","3","2","2","5","4","6","1") = "5"
    & skf21("4","3","2","2","5","4","7","1") = "6"
    & skf21("4","3","2","2","5","5","1","1") = "4"
    & skf21("4","3","2","2","5","5","2","1") = "4"
    & skf21("4","3","2","2","5","5","3","1") = "4"
    & skf21("4","3","2","2","5","5","4","1") = "4"
    & skf21("4","3","2","2","5","5","5","1") = "4"
    & skf21("4","3","2","2","5","5","6","1") = "5"
    & skf21("4","3","2","2","5","5","7","1") = "6"
    & skf21("4","3","2","2","5","6","1","1") = "5"
    & skf21("4","3","2","2","5","6","2","1") = "5"
    & skf21("4","3","2","2","5","6","3","1") = "5"
    & skf21("4","3","2","2","5","6","4","1") = "5"
    & skf21("4","3","2","2","5","6","5","1") = "5"
    & skf21("4","3","2","2","5","6","6","1") = "5"
    & skf21("4","3","2","2","5","6","7","1") = "6"
    & skf21("4","3","2","2","5","7","1","1") = "6"
    & skf21("4","3","2","2","5","7","2","1") = "6"
    & skf21("4","3","2","2","5","7","3","1") = "6"
    & skf21("4","3","2","2","5","7","4","1") = "6"
    & skf21("4","3","2","2","5","7","5","1") = "6"
    & skf21("4","3","2","2","5","7","6","1") = "6"
    & skf21("4","3","2","2","5","7","7","1") = "6"
    & skf21("4","3","2","2","6","1","1","1") = "5"
    & skf21("4","3","2","2","6","1","2","1") = "5"
    & skf21("4","3","2","2","6","1","3","1") = "5"
    & skf21("4","3","2","2","6","1","4","1") = "5"
    & skf21("4","3","2","2","6","1","5","1") = "5"
    & skf21("4","3","2","2","6","1","6","1") = "5"
    & skf21("4","3","2","2","6","1","7","1") = "6"
    & skf21("4","3","2","2","6","2","1","1") = "5"
    & skf21("4","3","2","2","6","2","2","1") = "5"
    & skf21("4","3","2","2","6","2","3","1") = "5"
    & skf21("4","3","2","2","6","2","4","1") = "5"
    & skf21("4","3","2","2","6","2","5","1") = "5"
    & skf21("4","3","2","2","6","2","6","1") = "5"
    & skf21("4","3","2","2","6","2","7","1") = "6"
    & skf21("4","3","2","2","6","3","1","1") = "5"
    & skf21("4","3","2","2","6","3","2","1") = "5"
    & skf21("4","3","2","2","6","3","3","1") = "5"
    & skf21("4","3","2","2","6","3","4","1") = "5"
    & skf21("4","3","2","2","6","3","5","1") = "5"
    & skf21("4","3","2","2","6","3","6","1") = "5"
    & skf21("4","3","2","2","6","3","7","1") = "6"
    & skf21("4","3","2","2","6","4","1","1") = "5"
    & skf21("4","3","2","2","6","4","2","1") = "5"
    & skf21("4","3","2","2","6","4","3","1") = "5"
    & skf21("4","3","2","2","6","4","4","1") = "5"
    & skf21("4","3","2","2","6","4","5","1") = "5"
    & skf21("4","3","2","2","6","4","6","1") = "5"
    & skf21("4","3","2","2","6","4","7","1") = "6"
    & skf21("4","3","2","2","6","5","1","1") = "5"
    & skf21("4","3","2","2","6","5","2","1") = "5"
    & skf21("4","3","2","2","6","5","3","1") = "5"
    & skf21("4","3","2","2","6","5","4","1") = "5"
    & skf21("4","3","2","2","6","5","5","1") = "5"
    & skf21("4","3","2","2","6","5","6","1") = "5"
    & skf21("4","3","2","2","6","5","7","1") = "6"
    & skf21("4","3","2","2","6","6","1","1") = "5"
    & skf21("4","3","2","2","6","6","2","1") = "5"
    & skf21("4","3","2","2","6","6","3","1") = "5"
    & skf21("4","3","2","2","6","6","4","1") = "5"
    & skf21("4","3","2","2","6","6","5","1") = "5"
    & skf21("4","3","2","2","6","6","6","1") = "5"
    & skf21("4","3","2","2","6","6","7","1") = "6"
    & skf21("4","3","2","2","6","7","1","1") = "6"
    & skf21("4","3","2","2","6","7","2","1") = "6"
    & skf21("4","3","2","2","6","7","3","1") = "6"
    & skf21("4","3","2","2","6","7","4","1") = "6"
    & skf21("4","3","2","2","6","7","5","1") = "6"
    & skf21("4","3","2","2","6","7","6","1") = "6"
    & skf21("4","3","2","2","6","7","7","1") = "6"
    & skf21("4","3","2","2","7","1","1","1") = "6"
    & skf21("4","3","2","2","7","1","2","1") = "6"
    & skf21("4","3","2","2","7","1","3","1") = "6"
    & skf21("4","3","2","2","7","1","4","1") = "6"
    & skf21("4","3","2","2","7","1","5","1") = "6"
    & skf21("4","3","2","2","7","1","6","1") = "6"
    & skf21("4","3","2","2","7","1","7","1") = "6"
    & skf21("4","3","2","2","7","2","1","1") = "6"
    & skf21("4","3","2","2","7","2","2","1") = "6"
    & skf21("4","3","2","2","7","2","3","1") = "6"
    & skf21("4","3","2","2","7","2","4","1") = "6"
    & skf21("4","3","2","2","7","2","5","1") = "6"
    & skf21("4","3","2","2","7","2","6","1") = "6"
    & skf21("4","3","2","2","7","2","7","1") = "6"
    & skf21("4","3","2","2","7","3","1","1") = "6"
    & skf21("4","3","2","2","7","3","2","1") = "6"
    & skf21("4","3","2","2","7","3","3","1") = "6"
    & skf21("4","3","2","2","7","3","4","1") = "6"
    & skf21("4","3","2","2","7","3","5","1") = "6"
    & skf21("4","3","2","2","7","3","6","1") = "6"
    & skf21("4","3","2","2","7","3","7","1") = "6"
    & skf21("4","3","2","2","7","4","1","1") = "6"
    & skf21("4","3","2","2","7","4","2","1") = "6"
    & skf21("4","3","2","2","7","4","3","1") = "6"
    & skf21("4","3","2","2","7","4","4","1") = "6"
    & skf21("4","3","2","2","7","4","5","1") = "6"
    & skf21("4","3","2","2","7","4","6","1") = "6"
    & skf21("4","3","2","2","7","4","7","1") = "6"
    & skf21("4","3","2","2","7","5","1","1") = "6"
    & skf21("4","3","2","2","7","5","2","1") = "6"
    & skf21("4","3","2","2","7","5","3","1") = "6"
    & skf21("4","3","2","2","7","5","4","1") = "6"
    & skf21("4","3","2","2","7","5","5","1") = "6"
    & skf21("4","3","2","2","7","5","6","1") = "6"
    & skf21("4","3","2","2","7","5","7","1") = "6"
    & skf21("4","3","2","2","7","6","1","1") = "6"
    & skf21("4","3","2","2","7","6","2","1") = "6"
    & skf21("4","3","2","2","7","6","3","1") = "6"
    & skf21("4","3","2","2","7","6","4","1") = "6"
    & skf21("4","3","2","2","7","6","5","1") = "6"
    & skf21("4","3","2","2","7","6","6","1") = "6"
    & skf21("4","3","2","2","7","6","7","1") = "6"
    & skf21("4","3","2","2","7","7","1","1") = "6"
    & skf21("4","3","2","2","7","7","2","1") = "6"
    & skf21("4","3","2","2","7","7","3","1") = "6"
    & skf21("4","3","2","2","7","7","4","1") = "6"
    & skf21("4","3","2","2","7","7","5","1") = "6"
    & skf21("4","3","2","2","7","7","6","1") = "6"
    & skf21("4","3","2","2","7","7","7","1") = "6"
    & skf21("4","3","2","3","1","1","1","1") = "3"
    & skf21("4","3","2","3","1","1","2","1") = "3"
    & skf21("4","3","2","3","1","1","3","1") = "3"
    & skf21("4","3","2","3","1","1","4","1") = "3"
    & skf21("4","3","2","3","1","1","5","1") = "4"
    & skf21("4","3","2","3","1","1","6","1") = "5"
    & skf21("4","3","2","3","1","1","7","1") = "6"
    & skf21("4","3","2","3","1","2","1","1") = "3"
    & skf21("4","3","2","3","1","2","2","1") = "3"
    & skf21("4","3","2","3","1","2","3","1") = "3"
    & skf21("4","3","2","3","1","2","4","1") = "3"
    & skf21("4","3","2","3","1","2","5","1") = "4"
    & skf21("4","3","2","3","1","2","6","1") = "5"
    & skf21("4","3","2","3","1","2","7","1") = "6"
    & skf21("4","3","2","3","1","3","1","1") = "3"
    & skf21("4","3","2","3","1","3","2","1") = "3"
    & skf21("4","3","2","3","1","3","3","1") = "3"
    & skf21("4","3","2","3","1","3","4","1") = "3"
    & skf21("4","3","2","3","1","3","5","1") = "4"
    & skf21("4","3","2","3","1","3","6","1") = "5"
    & skf21("4","3","2","3","1","3","7","1") = "6"
    & skf21("4","3","2","3","1","4","1","1") = "3"
    & skf21("4","3","2","3","1","4","2","1") = "3"
    & skf21("4","3","2","3","1","4","3","1") = "3"
    & skf21("4","3","2","3","1","4","4","1") = "3"
    & skf21("4","3","2","3","1","4","5","1") = "4"
    & skf21("4","3","2","3","1","4","6","1") = "5"
    & skf21("4","3","2","3","1","4","7","1") = "6"
    & skf21("4","3","2","3","1","5","1","1") = "4"
    & skf21("4","3","2","3","1","5","2","1") = "4"
    & skf21("4","3","2","3","1","5","3","1") = "4"
    & skf21("4","3","2","3","1","5","4","1") = "4"
    & skf21("4","3","2","3","1","5","5","1") = "4"
    & skf21("4","3","2","3","1","5","6","1") = "5"
    & skf21("4","3","2","3","1","5","7","1") = "6"
    & skf21("4","3","2","3","1","6","1","1") = "5"
    & skf21("4","3","2","3","1","6","2","1") = "5"
    & skf21("4","3","2","3","1","6","3","1") = "5"
    & skf21("4","3","2","3","1","6","4","1") = "5"
    & skf21("4","3","2","3","1","6","5","1") = "5"
    & skf21("4","3","2","3","1","6","6","1") = "5"
    & skf21("4","3","2","3","1","6","7","1") = "6"
    & skf21("4","3","2","3","1","7","1","1") = "6"
    & skf21("4","3","2","3","1","7","2","1") = "6"
    & skf21("4","3","2","3","1","7","3","1") = "6"
    & skf21("4","3","2","3","1","7","4","1") = "6"
    & skf21("4","3","2","3","1","7","5","1") = "6"
    & skf21("4","3","2","3","1","7","6","1") = "6"
    & skf21("4","3","2","3","1","7","7","1") = "6"
    & skf21("4","3","2","3","2","1","1","1") = "3"
    & skf21("4","3","2","3","2","1","2","1") = "3"
    & skf21("4","3","2","3","2","1","3","1") = "3"
    & skf21("4","3","2","3","2","1","4","1") = "3"
    & skf21("4","3","2","3","2","1","5","1") = "4"
    & skf21("4","3","2","3","2","1","6","1") = "5"
    & skf21("4","3","2","3","2","1","7","1") = "6"
    & skf21("4","3","2","3","2","2","1","1") = "3"
    & skf21("4","3","2","3","2","2","2","1") = "3"
    & skf21("4","3","2","3","2","2","3","1") = "3"
    & skf21("4","3","2","3","2","2","4","1") = "3"
    & skf21("4","3","2","3","2","2","5","1") = "4"
    & skf21("4","3","2","3","2","2","6","1") = "5"
    & skf21("4","3","2","3","2","2","7","1") = "6"
    & skf21("4","3","2","3","2","3","1","1") = "3"
    & skf21("4","3","2","3","2","3","2","1") = "3"
    & skf21("4","3","2","3","2","3","3","1") = "3"
    & skf21("4","3","2","3","2","3","4","1") = "3"
    & skf21("4","3","2","3","2","3","5","1") = "4"
    & skf21("4","3","2","3","2","3","6","1") = "5"
    & skf21("4","3","2","3","2","3","7","1") = "6"
    & skf21("4","3","2","3","2","4","1","1") = "3"
    & skf21("4","3","2","3","2","4","2","1") = "3"
    & skf21("4","3","2","3","2","4","3","1") = "3"
    & skf21("4","3","2","3","2","4","4","1") = "3"
    & skf21("4","3","2","3","2","4","5","1") = "4"
    & skf21("4","3","2","3","2","4","6","1") = "5"
    & skf21("4","3","2","3","2","4","7","1") = "6"
    & skf21("4","3","2","3","2","5","1","1") = "4"
    & skf21("4","3","2","3","2","5","2","1") = "4"
    & skf21("4","3","2","3","2","5","3","1") = "4"
    & skf21("4","3","2","3","2","5","4","1") = "4"
    & skf21("4","3","2","3","2","5","5","1") = "4"
    & skf21("4","3","2","3","2","5","6","1") = "5"
    & skf21("4","3","2","3","2","5","7","1") = "6"
    & skf21("4","3","2","3","2","6","1","1") = "5"
    & skf21("4","3","2","3","2","6","2","1") = "5"
    & skf21("4","3","2","3","2","6","3","1") = "5"
    & skf21("4","3","2","3","2","6","4","1") = "5"
    & skf21("4","3","2","3","2","6","5","1") = "5"
    & skf21("4","3","2","3","2","6","6","1") = "5"
    & skf21("4","3","2","3","2","6","7","1") = "6"
    & skf21("4","3","2","3","2","7","1","1") = "6"
    & skf21("4","3","2","3","2","7","2","1") = "6"
    & skf21("4","3","2","3","2","7","3","1") = "6"
    & skf21("4","3","2","3","2","7","4","1") = "6"
    & skf21("4","3","2","3","2","7","5","1") = "6"
    & skf21("4","3","2","3","2","7","6","1") = "6"
    & skf21("4","3","2","3","2","7","7","1") = "6"
    & skf21("4","3","2","3","3","1","1","1") = "3"
    & skf21("4","3","2","3","3","1","2","1") = "3"
    & skf21("4","3","2","3","3","1","3","1") = "3"
    & skf21("4","3","2","3","3","1","4","1") = "3"
    & skf21("4","3","2","3","3","1","5","1") = "4"
    & skf21("4","3","2","3","3","1","6","1") = "5"
    & skf21("4","3","2","3","3","1","7","1") = "6"
    & skf21("4","3","2","3","3","2","1","1") = "3"
    & skf21("4","3","2","3","3","2","2","1") = "3"
    & skf21("4","3","2","3","3","2","3","1") = "3"
    & skf21("4","3","2","3","3","2","4","1") = "3"
    & skf21("4","3","2","3","3","2","5","1") = "4"
    & skf21("4","3","2","3","3","2","6","1") = "5"
    & skf21("4","3","2","3","3","2","7","1") = "6"
    & skf21("4","3","2","3","3","3","1","1") = "3"
    & skf21("4","3","2","3","3","3","2","1") = "3"
    & skf21("4","3","2","3","3","3","3","1") = "3"
    & skf21("4","3","2","3","3","3","4","1") = "3"
    & skf21("4","3","2","3","3","3","5","1") = "4"
    & skf21("4","3","2","3","3","3","6","1") = "5"
    & skf21("4","3","2","3","3","3","7","1") = "6"
    & skf21("4","3","2","3","3","4","1","1") = "3"
    & skf21("4","3","2","3","3","4","2","1") = "3"
    & skf21("4","3","2","3","3","4","3","1") = "3"
    & skf21("4","3","2","3","3","4","4","1") = "3"
    & skf21("4","3","2","3","3","4","5","1") = "4"
    & skf21("4","3","2","3","3","4","6","1") = "5"
    & skf21("4","3","2","3","3","4","7","1") = "6"
    & skf21("4","3","2","3","3","5","1","1") = "4"
    & skf21("4","3","2","3","3","5","2","1") = "4"
    & skf21("4","3","2","3","3","5","3","1") = "4"
    & skf21("4","3","2","3","3","5","4","1") = "4"
    & skf21("4","3","2","3","3","5","5","1") = "4"
    & skf21("4","3","2","3","3","5","6","1") = "5"
    & skf21("4","3","2","3","3","5","7","1") = "6"
    & skf21("4","3","2","3","3","6","1","1") = "5"
    & skf21("4","3","2","3","3","6","2","1") = "5"
    & skf21("4","3","2","3","3","6","3","1") = "5"
    & skf21("4","3","2","3","3","6","4","1") = "5"
    & skf21("4","3","2","3","3","6","5","1") = "5"
    & skf21("4","3","2","3","3","6","6","1") = "5"
    & skf21("4","3","2","3","3","6","7","1") = "6"
    & skf21("4","3","2","3","3","7","1","1") = "6"
    & skf21("4","3","2","3","3","7","2","1") = "6"
    & skf21("4","3","2","3","3","7","3","1") = "6"
    & skf21("4","3","2","3","3","7","4","1") = "6"
    & skf21("4","3","2","3","3","7","5","1") = "6"
    & skf21("4","3","2","3","3","7","6","1") = "6"
    & skf21("4","3","2","3","3","7","7","1") = "6"
    & skf21("4","3","2","3","4","1","1","1") = "3"
    & skf21("4","3","2","3","4","1","2","1") = "3"
    & skf21("4","3","2","3","4","1","3","1") = "3"
    & skf21("4","3","2","3","4","1","4","1") = "3"
    & skf21("4","3","2","3","4","1","5","1") = "4"
    & skf21("4","3","2","3","4","1","6","1") = "5"
    & skf21("4","3","2","3","4","1","7","1") = "6"
    & skf21("4","3","2","3","4","2","1","1") = "3"
    & skf21("4","3","2","3","4","2","2","1") = "3"
    & skf21("4","3","2","3","4","2","3","1") = "3"
    & skf21("4","3","2","3","4","2","4","1") = "3"
    & skf21("4","3","2","3","4","2","5","1") = "4"
    & skf21("4","3","2","3","4","2","6","1") = "5"
    & skf21("4","3","2","3","4","2","7","1") = "6"
    & skf21("4","3","2","3","4","3","1","1") = "3"
    & skf21("4","3","2","3","4","3","2","1") = "3"
    & skf21("4","3","2","3","4","3","3","1") = "3"
    & skf21("4","3","2","3","4","3","4","1") = "3"
    & skf21("4","3","2","3","4","3","5","1") = "4"
    & skf21("4","3","2","3","4","3","6","1") = "5"
    & skf21("4","3","2","3","4","3","7","1") = "6"
    & skf21("4","3","2","3","4","4","1","1") = "3"
    & skf21("4","3","2","3","4","4","2","1") = "3"
    & skf21("4","3","2","3","4","4","3","1") = "3"
    & skf21("4","3","2","3","4","4","4","1") = "3"
    & skf21("4","3","2","3","4","4","5","1") = "4"
    & skf21("4","3","2","3","4","4","6","1") = "5"
    & skf21("4","3","2","3","4","4","7","1") = "6"
    & skf21("4","3","2","3","4","5","1","1") = "4"
    & skf21("4","3","2","3","4","5","2","1") = "4"
    & skf21("4","3","2","3","4","5","3","1") = "4"
    & skf21("4","3","2","3","4","5","4","1") = "4"
    & skf21("4","3","2","3","4","5","5","1") = "4"
    & skf21("4","3","2","3","4","5","6","1") = "5"
    & skf21("4","3","2","3","4","5","7","1") = "6"
    & skf21("4","3","2","3","4","6","1","1") = "5"
    & skf21("4","3","2","3","4","6","2","1") = "5"
    & skf21("4","3","2","3","4","6","3","1") = "5"
    & skf21("4","3","2","3","4","6","4","1") = "5"
    & skf21("4","3","2","3","4","6","5","1") = "5"
    & skf21("4","3","2","3","4","6","6","1") = "5"
    & skf21("4","3","2","3","4","6","7","1") = "6"
    & skf21("4","3","2","3","4","7","1","1") = "6"
    & skf21("4","3","2","3","4","7","2","1") = "6"
    & skf21("4","3","2","3","4","7","3","1") = "6"
    & skf21("4","3","2","3","4","7","4","1") = "6"
    & skf21("4","3","2","3","4","7","5","1") = "6"
    & skf21("4","3","2","3","4","7","6","1") = "6"
    & skf21("4","3","2","3","4","7","7","1") = "6"
    & skf21("4","3","2","3","5","1","1","1") = "4"
    & skf21("4","3","2","3","5","1","2","1") = "4"
    & skf21("4","3","2","3","5","1","3","1") = "4"
    & skf21("4","3","2","3","5","1","4","1") = "4"
    & skf21("4","3","2","3","5","1","5","1") = "4"
    & skf21("4","3","2","3","5","1","6","1") = "5"
    & skf21("4","3","2","3","5","1","7","1") = "6"
    & skf21("4","3","2","3","5","2","1","1") = "4"
    & skf21("4","3","2","3","5","2","2","1") = "4"
    & skf21("4","3","2","3","5","2","3","1") = "4"
    & skf21("4","3","2","3","5","2","4","1") = "4"
    & skf21("4","3","2","3","5","2","5","1") = "4"
    & skf21("4","3","2","3","5","2","6","1") = "5"
    & skf21("4","3","2","3","5","2","7","1") = "6"
    & skf21("4","3","2","3","5","3","1","1") = "4"
    & skf21("4","3","2","3","5","3","2","1") = "4"
    & skf21("4","3","2","3","5","3","3","1") = "4"
    & skf21("4","3","2","3","5","3","4","1") = "4"
    & skf21("4","3","2","3","5","3","5","1") = "4"
    & skf21("4","3","2","3","5","3","6","1") = "5"
    & skf21("4","3","2","3","5","3","7","1") = "6"
    & skf21("4","3","2","3","5","4","1","1") = "4"
    & skf21("4","3","2","3","5","4","2","1") = "4"
    & skf21("4","3","2","3","5","4","3","1") = "4"
    & skf21("4","3","2","3","5","4","4","1") = "4"
    & skf21("4","3","2","3","5","4","5","1") = "4"
    & skf21("4","3","2","3","5","4","6","1") = "5"
    & skf21("4","3","2","3","5","4","7","1") = "6"
    & skf21("4","3","2","3","5","5","1","1") = "4"
    & skf21("4","3","2","3","5","5","2","1") = "4"
    & skf21("4","3","2","3","5","5","3","1") = "4"
    & skf21("4","3","2","3","5","5","4","1") = "4"
    & skf21("4","3","2","3","5","5","5","1") = "4"
    & skf21("4","3","2","3","5","5","6","1") = "5"
    & skf21("4","3","2","3","5","5","7","1") = "6"
    & skf21("4","3","2","3","5","6","1","1") = "5"
    & skf21("4","3","2","3","5","6","2","1") = "5"
    & skf21("4","3","2","3","5","6","3","1") = "5"
    & skf21("4","3","2","3","5","6","4","1") = "5"
    & skf21("4","3","2","3","5","6","5","1") = "5"
    & skf21("4","3","2","3","5","6","6","1") = "5"
    & skf21("4","3","2","3","5","6","7","1") = "6"
    & skf21("4","3","2","3","5","7","1","1") = "6"
    & skf21("4","3","2","3","5","7","2","1") = "6"
    & skf21("4","3","2","3","5","7","3","1") = "6"
    & skf21("4","3","2","3","5","7","4","1") = "6"
    & skf21("4","3","2","3","5","7","5","1") = "6"
    & skf21("4","3","2","3","5","7","6","1") = "6"
    & skf21("4","3","2","3","5","7","7","1") = "6"
    & skf21("4","3","2","3","6","1","1","1") = "5"
    & skf21("4","3","2","3","6","1","2","1") = "5"
    & skf21("4","3","2","3","6","1","3","1") = "5"
    & skf21("4","3","2","3","6","1","4","1") = "5"
    & skf21("4","3","2","3","6","1","5","1") = "5"
    & skf21("4","3","2","3","6","1","6","1") = "5"
    & skf21("4","3","2","3","6","1","7","1") = "6"
    & skf21("4","3","2","3","6","2","1","1") = "5"
    & skf21("4","3","2","3","6","2","2","1") = "5"
    & skf21("4","3","2","3","6","2","3","1") = "5"
    & skf21("4","3","2","3","6","2","4","1") = "5"
    & skf21("4","3","2","3","6","2","5","1") = "5"
    & skf21("4","3","2","3","6","2","6","1") = "5"
    & skf21("4","3","2","3","6","2","7","1") = "6"
    & skf21("4","3","2","3","6","3","1","1") = "5"
    & skf21("4","3","2","3","6","3","2","1") = "5"
    & skf21("4","3","2","3","6","3","3","1") = "5"
    & skf21("4","3","2","3","6","3","4","1") = "5"
    & skf21("4","3","2","3","6","3","5","1") = "5"
    & skf21("4","3","2","3","6","3","6","1") = "5"
    & skf21("4","3","2","3","6","3","7","1") = "6"
    & skf21("4","3","2","3","6","4","1","1") = "5"
    & skf21("4","3","2","3","6","4","2","1") = "5"
    & skf21("4","3","2","3","6","4","3","1") = "5"
    & skf21("4","3","2","3","6","4","4","1") = "5"
    & skf21("4","3","2","3","6","4","5","1") = "5"
    & skf21("4","3","2","3","6","4","6","1") = "5"
    & skf21("4","3","2","3","6","4","7","1") = "6"
    & skf21("4","3","2","3","6","5","1","1") = "5"
    & skf21("4","3","2","3","6","5","2","1") = "5"
    & skf21("4","3","2","3","6","5","3","1") = "5"
    & skf21("4","3","2","3","6","5","4","1") = "5"
    & skf21("4","3","2","3","6","5","5","1") = "5"
    & skf21("4","3","2","3","6","5","6","1") = "5"
    & skf21("4","3","2","3","6","5","7","1") = "6"
    & skf21("4","3","2","3","6","6","1","1") = "5"
    & skf21("4","3","2","3","6","6","2","1") = "5"
    & skf21("4","3","2","3","6","6","3","1") = "5"
    & skf21("4","3","2","3","6","6","4","1") = "5"
    & skf21("4","3","2","3","6","6","5","1") = "5"
    & skf21("4","3","2","3","6","6","6","1") = "5"
    & skf21("4","3","2","3","6","6","7","1") = "6"
    & skf21("4","3","2","3","6","7","1","1") = "6"
    & skf21("4","3","2","3","6","7","2","1") = "6"
    & skf21("4","3","2","3","6","7","3","1") = "6"
    & skf21("4","3","2","3","6","7","4","1") = "6"
    & skf21("4","3","2","3","6","7","5","1") = "6"
    & skf21("4","3","2","3","6","7","6","1") = "6"
    & skf21("4","3","2","3","6","7","7","1") = "6"
    & skf21("4","3","2","3","7","1","1","1") = "6"
    & skf21("4","3","2","3","7","1","2","1") = "6"
    & skf21("4","3","2","3","7","1","3","1") = "6"
    & skf21("4","3","2","3","7","1","4","1") = "6"
    & skf21("4","3","2","3","7","1","5","1") = "6"
    & skf21("4","3","2","3","7","1","6","1") = "6"
    & skf21("4","3","2","3","7","1","7","1") = "6"
    & skf21("4","3","2","3","7","2","1","1") = "6"
    & skf21("4","3","2","3","7","2","2","1") = "6"
    & skf21("4","3","2","3","7","2","3","1") = "6"
    & skf21("4","3","2","3","7","2","4","1") = "6"
    & skf21("4","3","2","3","7","2","5","1") = "6"
    & skf21("4","3","2","3","7","2","6","1") = "6"
    & skf21("4","3","2","3","7","2","7","1") = "6"
    & skf21("4","3","2","3","7","3","1","1") = "6"
    & skf21("4","3","2","3","7","3","2","1") = "6"
    & skf21("4","3","2","3","7","3","3","1") = "6"
    & skf21("4","3","2","3","7","3","4","1") = "6"
    & skf21("4","3","2","3","7","3","5","1") = "6"
    & skf21("4","3","2","3","7","3","6","1") = "6"
    & skf21("4","3","2","3","7","3","7","1") = "6"
    & skf21("4","3","2","3","7","4","1","1") = "6"
    & skf21("4","3","2","3","7","4","2","1") = "6"
    & skf21("4","3","2","3","7","4","3","1") = "6"
    & skf21("4","3","2","3","7","4","4","1") = "6"
    & skf21("4","3","2","3","7","4","5","1") = "6"
    & skf21("4","3","2","3","7","4","6","1") = "6"
    & skf21("4","3","2","3","7","4","7","1") = "6"
    & skf21("4","3","2","3","7","5","1","1") = "6"
    & skf21("4","3","2","3","7","5","2","1") = "6"
    & skf21("4","3","2","3","7","5","3","1") = "6"
    & skf21("4","3","2","3","7","5","4","1") = "6"
    & skf21("4","3","2","3","7","5","5","1") = "6"
    & skf21("4","3","2","3","7","5","6","1") = "6"
    & skf21("4","3","2","3","7","5","7","1") = "6"
    & skf21("4","3","2","3","7","6","1","1") = "6"
    & skf21("4","3","2","3","7","6","2","1") = "6"
    & skf21("4","3","2","3","7","6","3","1") = "6"
    & skf21("4","3","2","3","7","6","4","1") = "6"
    & skf21("4","3","2","3","7","6","5","1") = "6"
    & skf21("4","3","2","3","7","6","6","1") = "6"
    & skf21("4","3","2","3","7","6","7","1") = "6"
    & skf21("4","3","2","3","7","7","1","1") = "6"
    & skf21("4","3","2","3","7","7","2","1") = "6"
    & skf21("4","3","2","3","7","7","3","1") = "6"
    & skf21("4","3","2","3","7","7","4","1") = "6"
    & skf21("4","3","2","3","7","7","5","1") = "6"
    & skf21("4","3","2","3","7","7","6","1") = "6"
    & skf21("4","3","2","3","7","7","7","1") = "6"
    & skf21("4","3","2","4","1","1","1","1") = "3"
    & skf21("4","3","2","4","1","1","2","1") = "3"
    & skf21("4","3","2","4","1","1","3","1") = "3"
    & skf21("4","3","2","4","1","1","4","1") = "3"
    & skf21("4","3","2","4","1","1","5","1") = "4"
    & skf21("4","3","2","4","1","1","6","1") = "5"
    & skf21("4","3","2","4","1","1","7","1") = "6"
    & skf21("4","3","2","4","1","2","1","1") = "3"
    & skf21("4","3","2","4","1","2","2","1") = "3"
    & skf21("4","3","2","4","1","2","3","1") = "3"
    & skf21("4","3","2","4","1","2","4","1") = "3"
    & skf21("4","3","2","4","1","2","5","1") = "4"
    & skf21("4","3","2","4","1","2","6","1") = "5"
    & skf21("4","3","2","4","1","2","7","1") = "6"
    & skf21("4","3","2","4","1","3","1","1") = "3"
    & skf21("4","3","2","4","1","3","2","1") = "3"
    & skf21("4","3","2","4","1","3","3","1") = "3"
    & skf21("4","3","2","4","1","3","4","1") = "3"
    & skf21("4","3","2","4","1","3","5","1") = "4"
    & skf21("4","3","2","4","1","3","6","1") = "5"
    & skf21("4","3","2","4","1","3","7","1") = "6"
    & skf21("4","3","2","4","1","4","1","1") = "3"
    & skf21("4","3","2","4","1","4","2","1") = "3"
    & skf21("4","3","2","4","1","4","3","1") = "3"
    & skf21("4","3","2","4","1","4","4","1") = "3"
    & skf21("4","3","2","4","1","4","5","1") = "4"
    & skf21("4","3","2","4","1","4","6","1") = "5"
    & skf21("4","3","2","4","1","4","7","1") = "6"
    & skf21("4","3","2","4","1","5","1","1") = "4"
    & skf21("4","3","2","4","1","5","2","1") = "4"
    & skf21("4","3","2","4","1","5","3","1") = "4"
    & skf21("4","3","2","4","1","5","4","1") = "4"
    & skf21("4","3","2","4","1","5","5","1") = "4"
    & skf21("4","3","2","4","1","5","6","1") = "5"
    & skf21("4","3","2","4","1","5","7","1") = "6"
    & skf21("4","3","2","4","1","6","1","1") = "5"
    & skf21("4","3","2","4","1","6","2","1") = "5"
    & skf21("4","3","2","4","1","6","3","1") = "5"
    & skf21("4","3","2","4","1","6","4","1") = "5"
    & skf21("4","3","2","4","1","6","5","1") = "5"
    & skf21("4","3","2","4","1","6","6","1") = "5"
    & skf21("4","3","2","4","1","6","7","1") = "6"
    & skf21("4","3","2","4","1","7","1","1") = "6"
    & skf21("4","3","2","4","1","7","2","1") = "6"
    & skf21("4","3","2","4","1","7","3","1") = "6"
    & skf21("4","3","2","4","1","7","4","1") = "6"
    & skf21("4","3","2","4","1","7","5","1") = "6"
    & skf21("4","3","2","4","1","7","6","1") = "6"
    & skf21("4","3","2","4","1","7","7","1") = "6"
    & skf21("4","3","2","4","2","1","1","1") = "3"
    & skf21("4","3","2","4","2","1","2","1") = "3"
    & skf21("4","3","2","4","2","1","3","1") = "3"
    & skf21("4","3","2","4","2","1","4","1") = "3"
    & skf21("4","3","2","4","2","1","5","1") = "4"
    & skf21("4","3","2","4","2","1","6","1") = "5"
    & skf21("4","3","2","4","2","1","7","1") = "6"
    & skf21("4","3","2","4","2","2","1","1") = "3"
    & skf21("4","3","2","4","2","2","2","1") = "3"
    & skf21("4","3","2","4","2","2","3","1") = "3"
    & skf21("4","3","2","4","2","2","4","1") = "3"
    & skf21("4","3","2","4","2","2","5","1") = "4"
    & skf21("4","3","2","4","2","2","6","1") = "5"
    & skf21("4","3","2","4","2","2","7","1") = "6"
    & skf21("4","3","2","4","2","3","1","1") = "3"
    & skf21("4","3","2","4","2","3","2","1") = "3"
    & skf21("4","3","2","4","2","3","3","1") = "3"
    & skf21("4","3","2","4","2","3","4","1") = "3"
    & skf21("4","3","2","4","2","3","5","1") = "4"
    & skf21("4","3","2","4","2","3","6","1") = "5"
    & skf21("4","3","2","4","2","3","7","1") = "6"
    & skf21("4","3","2","4","2","4","1","1") = "3"
    & skf21("4","3","2","4","2","4","2","1") = "3"
    & skf21("4","3","2","4","2","4","3","1") = "3"
    & skf21("4","3","2","4","2","4","4","1") = "3"
    & skf21("4","3","2","4","2","4","5","1") = "4"
    & skf21("4","3","2","4","2","4","6","1") = "5"
    & skf21("4","3","2","4","2","4","7","1") = "6"
    & skf21("4","3","2","4","2","5","1","1") = "4"
    & skf21("4","3","2","4","2","5","2","1") = "4"
    & skf21("4","3","2","4","2","5","3","1") = "4"
    & skf21("4","3","2","4","2","5","4","1") = "4"
    & skf21("4","3","2","4","2","5","5","1") = "4"
    & skf21("4","3","2","4","2","5","6","1") = "5"
    & skf21("4","3","2","4","2","5","7","1") = "6"
    & skf21("4","3","2","4","2","6","1","1") = "5"
    & skf21("4","3","2","4","2","6","2","1") = "5"
    & skf21("4","3","2","4","2","6","3","1") = "5"
    & skf21("4","3","2","4","2","6","4","1") = "5"
    & skf21("4","3","2","4","2","6","5","1") = "5"
    & skf21("4","3","2","4","2","6","6","1") = "5"
    & skf21("4","3","2","4","2","6","7","1") = "6"
    & skf21("4","3","2","4","2","7","1","1") = "6"
    & skf21("4","3","2","4","2","7","2","1") = "6"
    & skf21("4","3","2","4","2","7","3","1") = "6"
    & skf21("4","3","2","4","2","7","4","1") = "6"
    & skf21("4","3","2","4","2","7","5","1") = "6"
    & skf21("4","3","2","4","2","7","6","1") = "6"
    & skf21("4","3","2","4","2","7","7","1") = "6"
    & skf21("4","3","2","4","3","1","1","1") = "3"
    & skf21("4","3","2","4","3","1","2","1") = "3"
    & skf21("4","3","2","4","3","1","3","1") = "3"
    & skf21("4","3","2","4","3","1","4","1") = "3"
    & skf21("4","3","2","4","3","1","5","1") = "4"
    & skf21("4","3","2","4","3","1","6","1") = "5"
    & skf21("4","3","2","4","3","1","7","1") = "6"
    & skf21("4","3","2","4","3","2","1","1") = "3"
    & skf21("4","3","2","4","3","2","2","1") = "3"
    & skf21("4","3","2","4","3","2","3","1") = "3"
    & skf21("4","3","2","4","3","2","4","1") = "3"
    & skf21("4","3","2","4","3","2","5","1") = "4"
    & skf21("4","3","2","4","3","2","6","1") = "5"
    & skf21("4","3","2","4","3","2","7","1") = "6"
    & skf21("4","3","2","4","3","3","1","1") = "3"
    & skf21("4","3","2","4","3","3","2","1") = "3"
    & skf21("4","3","2","4","3","3","3","1") = "3"
    & skf21("4","3","2","4","3","3","4","1") = "3"
    & skf21("4","3","2","4","3","3","5","1") = "4"
    & skf21("4","3","2","4","3","3","6","1") = "5"
    & skf21("4","3","2","4","3","3","7","1") = "6"
    & skf21("4","3","2","4","3","4","1","1") = "3"
    & skf21("4","3","2","4","3","4","2","1") = "3"
    & skf21("4","3","2","4","3","4","3","1") = "3"
    & skf21("4","3","2","4","3","4","4","1") = "3"
    & skf21("4","3","2","4","3","4","5","1") = "4"
    & skf21("4","3","2","4","3","4","6","1") = "5"
    & skf21("4","3","2","4","3","4","7","1") = "6"
    & skf21("4","3","2","4","3","5","1","1") = "4"
    & skf21("4","3","2","4","3","5","2","1") = "4"
    & skf21("4","3","2","4","3","5","3","1") = "4"
    & skf21("4","3","2","4","3","5","4","1") = "4"
    & skf21("4","3","2","4","3","5","5","1") = "4"
    & skf21("4","3","2","4","3","5","6","1") = "5"
    & skf21("4","3","2","4","3","5","7","1") = "6"
    & skf21("4","3","2","4","3","6","1","1") = "5"
    & skf21("4","3","2","4","3","6","2","1") = "5"
    & skf21("4","3","2","4","3","6","3","1") = "5"
    & skf21("4","3","2","4","3","6","4","1") = "5"
    & skf21("4","3","2","4","3","6","5","1") = "5"
    & skf21("4","3","2","4","3","6","6","1") = "5"
    & skf21("4","3","2","4","3","6","7","1") = "6"
    & skf21("4","3","2","4","3","7","1","1") = "6"
    & skf21("4","3","2","4","3","7","2","1") = "6"
    & skf21("4","3","2","4","3","7","3","1") = "6"
    & skf21("4","3","2","4","3","7","4","1") = "6"
    & skf21("4","3","2","4","3","7","5","1") = "6"
    & skf21("4","3","2","4","3","7","6","1") = "6"
    & skf21("4","3","2","4","3","7","7","1") = "6"
    & skf21("4","3","2","4","4","1","1","1") = "3"
    & skf21("4","3","2","4","4","1","2","1") = "3"
    & skf21("4","3","2","4","4","1","3","1") = "3"
    & skf21("4","3","2","4","4","1","4","1") = "3"
    & skf21("4","3","2","4","4","1","5","1") = "4"
    & skf21("4","3","2","4","4","1","6","1") = "5"
    & skf21("4","3","2","4","4","1","7","1") = "6"
    & skf21("4","3","2","4","4","2","1","1") = "3"
    & skf21("4","3","2","4","4","2","2","1") = "3"
    & skf21("4","3","2","4","4","2","3","1") = "3"
    & skf21("4","3","2","4","4","2","4","1") = "3"
    & skf21("4","3","2","4","4","2","5","1") = "4"
    & skf21("4","3","2","4","4","2","6","1") = "5"
    & skf21("4","3","2","4","4","2","7","1") = "6"
    & skf21("4","3","2","4","4","3","1","1") = "3"
    & skf21("4","3","2","4","4","3","2","1") = "3"
    & skf21("4","3","2","4","4","3","3","1") = "3"
    & skf21("4","3","2","4","4","3","4","1") = "3"
    & skf21("4","3","2","4","4","3","5","1") = "4"
    & skf21("4","3","2","4","4","3","6","1") = "5"
    & skf21("4","3","2","4","4","3","7","1") = "6"
    & skf21("4","3","2","4","4","4","1","1") = "3"
    & skf21("4","3","2","4","4","4","2","1") = "3"
    & skf21("4","3","2","4","4","4","3","1") = "3"
    & skf21("4","3","2","4","4","4","4","1") = "3"
    & skf21("4","3","2","4","4","4","5","1") = "4"
    & skf21("4","3","2","4","4","4","6","1") = "5"
    & skf21("4","3","2","4","4","4","7","1") = "6"
    & skf21("4","3","2","4","4","5","1","1") = "4"
    & skf21("4","3","2","4","4","5","2","1") = "4"
    & skf21("4","3","2","4","4","5","3","1") = "4"
    & skf21("4","3","2","4","4","5","4","1") = "4"
    & skf21("4","3","2","4","4","5","5","1") = "4"
    & skf21("4","3","2","4","4","5","6","1") = "5"
    & skf21("4","3","2","4","4","5","7","1") = "6"
    & skf21("4","3","2","4","4","6","1","1") = "5"
    & skf21("4","3","2","4","4","6","2","1") = "5"
    & skf21("4","3","2","4","4","6","3","1") = "5"
    & skf21("4","3","2","4","4","6","4","1") = "5"
    & skf21("4","3","2","4","4","6","5","1") = "5"
    & skf21("4","3","2","4","4","6","6","1") = "5"
    & skf21("4","3","2","4","4","6","7","1") = "6"
    & skf21("4","3","2","4","4","7","1","1") = "6"
    & skf21("4","3","2","4","4","7","2","1") = "6"
    & skf21("4","3","2","4","4","7","3","1") = "6"
    & skf21("4","3","2","4","4","7","4","1") = "6"
    & skf21("4","3","2","4","4","7","5","1") = "6"
    & skf21("4","3","2","4","4","7","6","1") = "6"
    & skf21("4","3","2","4","4","7","7","1") = "6"
    & skf21("4","3","2","4","5","1","1","1") = "4"
    & skf21("4","3","2","4","5","1","2","1") = "4"
    & skf21("4","3","2","4","5","1","3","1") = "4"
    & skf21("4","3","2","4","5","1","4","1") = "4"
    & skf21("4","3","2","4","5","1","5","1") = "4"
    & skf21("4","3","2","4","5","1","6","1") = "5"
    & skf21("4","3","2","4","5","1","7","1") = "6"
    & skf21("4","3","2","4","5","2","1","1") = "4"
    & skf21("4","3","2","4","5","2","2","1") = "4"
    & skf21("4","3","2","4","5","2","3","1") = "4"
    & skf21("4","3","2","4","5","2","4","1") = "4"
    & skf21("4","3","2","4","5","2","5","1") = "4"
    & skf21("4","3","2","4","5","2","6","1") = "5"
    & skf21("4","3","2","4","5","2","7","1") = "6"
    & skf21("4","3","2","4","5","3","1","1") = "4"
    & skf21("4","3","2","4","5","3","2","1") = "4"
    & skf21("4","3","2","4","5","3","3","1") = "4"
    & skf21("4","3","2","4","5","3","4","1") = "4"
    & skf21("4","3","2","4","5","3","5","1") = "4"
    & skf21("4","3","2","4","5","3","6","1") = "5"
    & skf21("4","3","2","4","5","3","7","1") = "6"
    & skf21("4","3","2","4","5","4","1","1") = "4"
    & skf21("4","3","2","4","5","4","2","1") = "4"
    & skf21("4","3","2","4","5","4","3","1") = "4"
    & skf21("4","3","2","4","5","4","4","1") = "4"
    & skf21("4","3","2","4","5","4","5","1") = "4"
    & skf21("4","3","2","4","5","4","6","1") = "5"
    & skf21("4","3","2","4","5","4","7","1") = "6"
    & skf21("4","3","2","4","5","5","1","1") = "4"
    & skf21("4","3","2","4","5","5","2","1") = "4"
    & skf21("4","3","2","4","5","5","3","1") = "4"
    & skf21("4","3","2","4","5","5","4","1") = "4"
    & skf21("4","3","2","4","5","5","5","1") = "4"
    & skf21("4","3","2","4","5","5","6","1") = "5"
    & skf21("4","3","2","4","5","5","7","1") = "6"
    & skf21("4","3","2","4","5","6","1","1") = "5"
    & skf21("4","3","2","4","5","6","2","1") = "5"
    & skf21("4","3","2","4","5","6","3","1") = "5"
    & skf21("4","3","2","4","5","6","4","1") = "5"
    & skf21("4","3","2","4","5","6","5","1") = "5"
    & skf21("4","3","2","4","5","6","6","1") = "5"
    & skf21("4","3","2","4","5","6","7","1") = "6"
    & skf21("4","3","2","4","5","7","1","1") = "6"
    & skf21("4","3","2","4","5","7","2","1") = "6"
    & skf21("4","3","2","4","5","7","3","1") = "6"
    & skf21("4","3","2","4","5","7","4","1") = "6"
    & skf21("4","3","2","4","5","7","5","1") = "6"
    & skf21("4","3","2","4","5","7","6","1") = "6"
    & skf21("4","3","2","4","5","7","7","1") = "6"
    & skf21("4","3","2","4","6","1","1","1") = "5"
    & skf21("4","3","2","4","6","1","2","1") = "5"
    & skf21("4","3","2","4","6","1","3","1") = "5"
    & skf21("4","3","2","4","6","1","4","1") = "5"
    & skf21("4","3","2","4","6","1","5","1") = "5"
    & skf21("4","3","2","4","6","1","6","1") = "5"
    & skf21("4","3","2","4","6","1","7","1") = "6"
    & skf21("4","3","2","4","6","2","1","1") = "5"
    & skf21("4","3","2","4","6","2","2","1") = "5"
    & skf21("4","3","2","4","6","2","3","1") = "5"
    & skf21("4","3","2","4","6","2","4","1") = "5"
    & skf21("4","3","2","4","6","2","5","1") = "5"
    & skf21("4","3","2","4","6","2","6","1") = "5"
    & skf21("4","3","2","4","6","2","7","1") = "6"
    & skf21("4","3","2","4","6","3","1","1") = "5"
    & skf21("4","3","2","4","6","3","2","1") = "5"
    & skf21("4","3","2","4","6","3","3","1") = "5"
    & skf21("4","3","2","4","6","3","4","1") = "5"
    & skf21("4","3","2","4","6","3","5","1") = "5"
    & skf21("4","3","2","4","6","3","6","1") = "5"
    & skf21("4","3","2","4","6","3","7","1") = "6"
    & skf21("4","3","2","4","6","4","1","1") = "5"
    & skf21("4","3","2","4","6","4","2","1") = "5"
    & skf21("4","3","2","4","6","4","3","1") = "5"
    & skf21("4","3","2","4","6","4","4","1") = "5"
    & skf21("4","3","2","4","6","4","5","1") = "5"
    & skf21("4","3","2","4","6","4","6","1") = "5"
    & skf21("4","3","2","4","6","4","7","1") = "6"
    & skf21("4","3","2","4","6","5","1","1") = "5"
    & skf21("4","3","2","4","6","5","2","1") = "5"
    & skf21("4","3","2","4","6","5","3","1") = "5"
    & skf21("4","3","2","4","6","5","4","1") = "5"
    & skf21("4","3","2","4","6","5","5","1") = "5"
    & skf21("4","3","2","4","6","5","6","1") = "5"
    & skf21("4","3","2","4","6","5","7","1") = "6"
    & skf21("4","3","2","4","6","6","1","1") = "5"
    & skf21("4","3","2","4","6","6","2","1") = "5"
    & skf21("4","3","2","4","6","6","3","1") = "5"
    & skf21("4","3","2","4","6","6","4","1") = "5"
    & skf21("4","3","2","4","6","6","5","1") = "5"
    & skf21("4","3","2","4","6","6","6","1") = "5"
    & skf21("4","3","2","4","6","6","7","1") = "6"
    & skf21("4","3","2","4","6","7","1","1") = "6"
    & skf21("4","3","2","4","6","7","2","1") = "6"
    & skf21("4","3","2","4","6","7","3","1") = "6"
    & skf21("4","3","2","4","6","7","4","1") = "6"
    & skf21("4","3","2","4","6","7","5","1") = "6"
    & skf21("4","3","2","4","6","7","6","1") = "6"
    & skf21("4","3","2","4","6","7","7","1") = "6"
    & skf21("4","3","2","4","7","1","1","1") = "6"
    & skf21("4","3","2","4","7","1","2","1") = "6"
    & skf21("4","3","2","4","7","1","3","1") = "6"
    & skf21("4","3","2","4","7","1","4","1") = "6"
    & skf21("4","3","2","4","7","1","5","1") = "6"
    & skf21("4","3","2","4","7","1","6","1") = "6"
    & skf21("4","3","2","4","7","1","7","1") = "6"
    & skf21("4","3","2","4","7","2","1","1") = "6"
    & skf21("4","3","2","4","7","2","2","1") = "6"
    & skf21("4","3","2","4","7","2","3","1") = "6"
    & skf21("4","3","2","4","7","2","4","1") = "6"
    & skf21("4","3","2","4","7","2","5","1") = "6"
    & skf21("4","3","2","4","7","2","6","1") = "6"
    & skf21("4","3","2","4","7","2","7","1") = "6"
    & skf21("4","3","2","4","7","3","1","1") = "6"
    & skf21("4","3","2","4","7","3","2","1") = "6"
    & skf21("4","3","2","4","7","3","3","1") = "6"
    & skf21("4","3","2","4","7","3","4","1") = "6"
    & skf21("4","3","2","4","7","3","5","1") = "6"
    & skf21("4","3","2","4","7","3","6","1") = "6"
    & skf21("4","3","2","4","7","3","7","1") = "6"
    & skf21("4","3","2","4","7","4","1","1") = "6"
    & skf21("4","3","2","4","7","4","2","1") = "6"
    & skf21("4","3","2","4","7","4","3","1") = "6"
    & skf21("4","3","2","4","7","4","4","1") = "6"
    & skf21("4","3","2","4","7","4","5","1") = "6"
    & skf21("4","3","2","4","7","4","6","1") = "6"
    & skf21("4","3","2","4","7","4","7","1") = "6"
    & skf21("4","3","2","4","7","5","1","1") = "6"
    & skf21("4","3","2","4","7","5","2","1") = "6"
    & skf21("4","3","2","4","7","5","3","1") = "6"
    & skf21("4","3","2","4","7","5","4","1") = "6"
    & skf21("4","3","2","4","7","5","5","1") = "6"
    & skf21("4","3","2","4","7","5","6","1") = "6"
    & skf21("4","3","2","4","7","5","7","1") = "6"
    & skf21("4","3","2","4","7","6","1","1") = "6"
    & skf21("4","3","2","4","7","6","2","1") = "6"
    & skf21("4","3","2","4","7","6","3","1") = "6"
    & skf21("4","3","2","4","7","6","4","1") = "6"
    & skf21("4","3","2","4","7","6","5","1") = "6"
    & skf21("4","3","2","4","7","6","6","1") = "6"
    & skf21("4","3","2","4","7","6","7","1") = "6"
    & skf21("4","3","2","4","7","7","1","1") = "6"
    & skf21("4","3","2","4","7","7","2","1") = "6"
    & skf21("4","3","2","4","7","7","3","1") = "6"
    & skf21("4","3","2","4","7","7","4","1") = "6"
    & skf21("4","3","2","4","7","7","5","1") = "6"
    & skf21("4","3","2","4","7","7","6","1") = "6"
    & skf21("4","3","2","4","7","7","7","1") = "6"
    & skf21("4","3","2","5","1","1","1","1") = "4"
    & skf21("4","3","2","5","1","1","2","1") = "4"
    & skf21("4","3","2","5","1","1","3","1") = "4"
    & skf21("4","3","2","5","1","1","4","1") = "4"
    & skf21("4","3","2","5","1","1","5","1") = "4"
    & skf21("4","3","2","5","1","1","6","1") = "5"
    & skf21("4","3","2","5","1","1","7","1") = "6"
    & skf21("4","3","2","5","1","2","1","1") = "4"
    & skf21("4","3","2","5","1","2","2","1") = "4"
    & skf21("4","3","2","5","1","2","3","1") = "4"
    & skf21("4","3","2","5","1","2","4","1") = "4"
    & skf21("4","3","2","5","1","2","5","1") = "4"
    & skf21("4","3","2","5","1","2","6","1") = "5"
    & skf21("4","3","2","5","1","2","7","1") = "6"
    & skf21("4","3","2","5","1","3","1","1") = "4"
    & skf21("4","3","2","5","1","3","2","1") = "4"
    & skf21("4","3","2","5","1","3","3","1") = "4"
    & skf21("4","3","2","5","1","3","4","1") = "4"
    & skf21("4","3","2","5","1","3","5","1") = "4"
    & skf21("4","3","2","5","1","3","6","1") = "5"
    & skf21("4","3","2","5","1","3","7","1") = "6"
    & skf21("4","3","2","5","1","4","1","1") = "4"
    & skf21("4","3","2","5","1","4","2","1") = "4"
    & skf21("4","3","2","5","1","4","3","1") = "4"
    & skf21("4","3","2","5","1","4","4","1") = "4"
    & skf21("4","3","2","5","1","4","5","1") = "4"
    & skf21("4","3","2","5","1","4","6","1") = "5"
    & skf21("4","3","2","5","1","4","7","1") = "6"
    & skf21("4","3","2","5","1","5","1","1") = "4"
    & skf21("4","3","2","5","1","5","2","1") = "4"
    & skf21("4","3","2","5","1","5","3","1") = "4"
    & skf21("4","3","2","5","1","5","4","1") = "4"
    & skf21("4","3","2","5","1","5","5","1") = "4"
    & skf21("4","3","2","5","1","5","6","1") = "5"
    & skf21("4","3","2","5","1","5","7","1") = "6"
    & skf21("4","3","2","5","1","6","1","1") = "5"
    & skf21("4","3","2","5","1","6","2","1") = "5"
    & skf21("4","3","2","5","1","6","3","1") = "5"
    & skf21("4","3","2","5","1","6","4","1") = "5"
    & skf21("4","3","2","5","1","6","5","1") = "5"
    & skf21("4","3","2","5","1","6","6","1") = "5"
    & skf21("4","3","2","5","1","6","7","1") = "6"
    & skf21("4","3","2","5","1","7","1","1") = "6"
    & skf21("4","3","2","5","1","7","2","1") = "6"
    & skf21("4","3","2","5","1","7","3","1") = "6"
    & skf21("4","3","2","5","1","7","4","1") = "6"
    & skf21("4","3","2","5","1","7","5","1") = "6"
    & skf21("4","3","2","5","1","7","6","1") = "6"
    & skf21("4","3","2","5","1","7","7","1") = "6"
    & skf21("4","3","2","5","2","1","1","1") = "4"
    & skf21("4","3","2","5","2","1","2","1") = "4"
    & skf21("4","3","2","5","2","1","3","1") = "4"
    & skf21("4","3","2","5","2","1","4","1") = "4"
    & skf21("4","3","2","5","2","1","5","1") = "4"
    & skf21("4","3","2","5","2","1","6","1") = "5"
    & skf21("4","3","2","5","2","1","7","1") = "6"
    & skf21("4","3","2","5","2","2","1","1") = "4"
    & skf21("4","3","2","5","2","2","2","1") = "4"
    & skf21("4","3","2","5","2","2","3","1") = "4"
    & skf21("4","3","2","5","2","2","4","1") = "4"
    & skf21("4","3","2","5","2","2","5","1") = "4"
    & skf21("4","3","2","5","2","2","6","1") = "5"
    & skf21("4","3","2","5","2","2","7","1") = "6"
    & skf21("4","3","2","5","2","3","1","1") = "4"
    & skf21("4","3","2","5","2","3","2","1") = "4"
    & skf21("4","3","2","5","2","3","3","1") = "4"
    & skf21("4","3","2","5","2","3","4","1") = "4"
    & skf21("4","3","2","5","2","3","5","1") = "4"
    & skf21("4","3","2","5","2","3","6","1") = "5"
    & skf21("4","3","2","5","2","3","7","1") = "6"
    & skf21("4","3","2","5","2","4","1","1") = "4"
    & skf21("4","3","2","5","2","4","2","1") = "4"
    & skf21("4","3","2","5","2","4","3","1") = "4"
    & skf21("4","3","2","5","2","4","4","1") = "4"
    & skf21("4","3","2","5","2","4","5","1") = "4"
    & skf21("4","3","2","5","2","4","6","1") = "5"
    & skf21("4","3","2","5","2","4","7","1") = "6"
    & skf21("4","3","2","5","2","5","1","1") = "4"
    & skf21("4","3","2","5","2","5","2","1") = "4"
    & skf21("4","3","2","5","2","5","3","1") = "4"
    & skf21("4","3","2","5","2","5","4","1") = "4"
    & skf21("4","3","2","5","2","5","5","1") = "4"
    & skf21("4","3","2","5","2","5","6","1") = "5"
    & skf21("4","3","2","5","2","5","7","1") = "6"
    & skf21("4","3","2","5","2","6","1","1") = "5"
    & skf21("4","3","2","5","2","6","2","1") = "5"
    & skf21("4","3","2","5","2","6","3","1") = "5"
    & skf21("4","3","2","5","2","6","4","1") = "5"
    & skf21("4","3","2","5","2","6","5","1") = "5"
    & skf21("4","3","2","5","2","6","6","1") = "5"
    & skf21("4","3","2","5","2","6","7","1") = "6"
    & skf21("4","3","2","5","2","7","1","1") = "6"
    & skf21("4","3","2","5","2","7","2","1") = "6"
    & skf21("4","3","2","5","2","7","3","1") = "6"
    & skf21("4","3","2","5","2","7","4","1") = "6"
    & skf21("4","3","2","5","2","7","5","1") = "6"
    & skf21("4","3","2","5","2","7","6","1") = "6"
    & skf21("4","3","2","5","2","7","7","1") = "6"
    & skf21("4","3","2","5","3","1","1","1") = "4"
    & skf21("4","3","2","5","3","1","2","1") = "4"
    & skf21("4","3","2","5","3","1","3","1") = "4"
    & skf21("4","3","2","5","3","1","4","1") = "4"
    & skf21("4","3","2","5","3","1","5","1") = "4"
    & skf21("4","3","2","5","3","1","6","1") = "5"
    & skf21("4","3","2","5","3","1","7","1") = "6"
    & skf21("4","3","2","5","3","2","1","1") = "4"
    & skf21("4","3","2","5","3","2","2","1") = "4"
    & skf21("4","3","2","5","3","2","3","1") = "4"
    & skf21("4","3","2","5","3","2","4","1") = "4"
    & skf21("4","3","2","5","3","2","5","1") = "4"
    & skf21("4","3","2","5","3","2","6","1") = "5"
    & skf21("4","3","2","5","3","2","7","1") = "6"
    & skf21("4","3","2","5","3","3","1","1") = "4"
    & skf21("4","3","2","5","3","3","2","1") = "4"
    & skf21("4","3","2","5","3","3","3","1") = "4"
    & skf21("4","3","2","5","3","3","4","1") = "4"
    & skf21("4","3","2","5","3","3","5","1") = "4"
    & skf21("4","3","2","5","3","3","6","1") = "5"
    & skf21("4","3","2","5","3","3","7","1") = "6"
    & skf21("4","3","2","5","3","4","1","1") = "4"
    & skf21("4","3","2","5","3","4","2","1") = "4"
    & skf21("4","3","2","5","3","4","3","1") = "4"
    & skf21("4","3","2","5","3","4","4","1") = "4"
    & skf21("4","3","2","5","3","4","5","1") = "4"
    & skf21("4","3","2","5","3","4","6","1") = "5"
    & skf21("4","3","2","5","3","4","7","1") = "6"
    & skf21("4","3","2","5","3","5","1","1") = "4"
    & skf21("4","3","2","5","3","5","2","1") = "4"
    & skf21("4","3","2","5","3","5","3","1") = "4"
    & skf21("4","3","2","5","3","5","4","1") = "4"
    & skf21("4","3","2","5","3","5","5","1") = "4"
    & skf21("4","3","2","5","3","5","6","1") = "5"
    & skf21("4","3","2","5","3","5","7","1") = "6"
    & skf21("4","3","2","5","3","6","1","1") = "5"
    & skf21("4","3","2","5","3","6","2","1") = "5"
    & skf21("4","3","2","5","3","6","3","1") = "5"
    & skf21("4","3","2","5","3","6","4","1") = "5"
    & skf21("4","3","2","5","3","6","5","1") = "5"
    & skf21("4","3","2","5","3","6","6","1") = "5"
    & skf21("4","3","2","5","3","6","7","1") = "6"
    & skf21("4","3","2","5","3","7","1","1") = "6"
    & skf21("4","3","2","5","3","7","2","1") = "6"
    & skf21("4","3","2","5","3","7","3","1") = "6"
    & skf21("4","3","2","5","3","7","4","1") = "6"
    & skf21("4","3","2","5","3","7","5","1") = "6"
    & skf21("4","3","2","5","3","7","6","1") = "6"
    & skf21("4","3","2","5","3","7","7","1") = "6"
    & skf21("4","3","2","5","4","1","1","1") = "4"
    & skf21("4","3","2","5","4","1","2","1") = "4"
    & skf21("4","3","2","5","4","1","3","1") = "4"
    & skf21("4","3","2","5","4","1","4","1") = "2"
    & skf21("4","3","2","5","4","1","5","1") = "2"
    & skf21("4","3","2","5","4","1","6","1") = "5"
    & skf21("4","3","2","5","4","1","7","1") = "6"
    & skf21("4","3","2","5","4","2","1","1") = "4"
    & skf21("4","3","2","5","4","2","2","1") = "2"
    & skf21("4","3","2","5","4","2","3","1") = "4"
    & skf21("4","3","2","5","4","2","4","1") = "2"
    & skf21("4","3","2","5","4","2","5","1") = "4"
    & skf21("4","3","2","5","4","2","6","1") = "5"
    & skf21("4","3","2","5","4","2","7","1") = "6"
    & skf21("4","3","2","5","4","3","1","1") = "4"
    & skf21("4","3","2","5","4","3","2","1") = "4"
    & skf21("4","3","2","5","4","3","3","1") = "4"
    & skf21("4","3","2","5","4","3","4","1") = "4"
    & skf21("4","3","2","5","4","3","5","1") = "4"
    & skf21("4","3","2","5","4","3","6","1") = "5"
    & skf21("4","3","2","5","4","3","7","1") = "6"
    & skf21("4","3","2","5","4","4","1","1") = "4"
    & skf21("4","3","2","5","4","4","2","1") = "4"
    & skf21("4","3","2","5","4","4","3","1") = "4"
    & skf21("4","3","2","5","4","4","4","1") = "4"
    & skf21("4","3","2","5","4","4","5","1") = "4"
    & skf21("4","3","2","5","4","4","6","1") = "5"
    & skf21("4","3","2","5","4","4","7","1") = "6"
    & skf21("4","3","2","5","4","5","1","1") = "4"
    & skf21("4","3","2","5","4","5","2","1") = "4"
    & skf21("4","3","2","5","4","5","3","1") = "4"
    & skf21("4","3","2","5","4","5","4","1") = "4"
    & skf21("4","3","2","5","4","5","5","1") = "4"
    & skf21("4","3","2","5","4","5","6","1") = "5"
    & skf21("4","3","2","5","4","5","7","1") = "6"
    & skf21("4","3","2","5","4","6","1","1") = "5"
    & skf21("4","3","2","5","4","6","2","1") = "5"
    & skf21("4","3","2","5","4","6","3","1") = "5"
    & skf21("4","3","2","5","4","6","4","1") = "5"
    & skf21("4","3","2","5","4","6","5","1") = "5"
    & skf21("4","3","2","5","4","6","6","1") = "5"
    & skf21("4","3","2","5","4","6","7","1") = "6"
    & skf21("4","3","2","5","4","7","1","1") = "6"
    & skf21("4","3","2","5","4","7","2","1") = "6"
    & skf21("4","3","2","5","4","7","3","1") = "6"
    & skf21("4","3","2","5","4","7","4","1") = "6"
    & skf21("4","3","2","5","4","7","5","1") = "6"
    & skf21("4","3","2","5","4","7","6","1") = "6"
    & skf21("4","3","2","5","4","7","7","1") = "6"
    & skf21("4","3","2","5","5","1","1","1") = "4"
    & skf21("4","3","2","5","5","1","2","1") = "4"
    & skf21("4","3","2","5","5","1","3","1") = "4"
    & skf21("4","3","2","5","5","1","4","1") = "4"
    & skf21("4","3","2","5","5","1","5","1") = "4"
    & skf21("4","3","2","5","5","1","6","1") = "5"
    & skf21("4","3","2","5","5","1","7","1") = "6"
    & skf21("4","3","2","5","5","2","1","1") = "4"
    & skf21("4","3","2","5","5","2","2","1") = "4"
    & skf21("4","3","2","5","5","2","3","1") = "4"
    & skf21("4","3","2","5","5","2","4","1") = "4"
    & skf21("4","3","2","5","5","2","5","1") = "4"
    & skf21("4","3","2","5","5","2","6","1") = "5"
    & skf21("4","3","2","5","5","2","7","1") = "6"
    & skf21("4","3","2","5","5","3","1","1") = "4"
    & skf21("4","3","2","5","5","3","2","1") = "4"
    & skf21("4","3","2","5","5","3","3","1") = "4"
    & skf21("4","3","2","5","5","3","4","1") = "4"
    & skf21("4","3","2","5","5","3","5","1") = "4"
    & skf21("4","3","2","5","5","3","6","1") = "5"
    & skf21("4","3","2","5","5","3","7","1") = "6"
    & skf21("4","3","2","5","5","4","1","1") = "4"
    & skf21("4","3","2","5","5","4","2","1") = "4"
    & skf21("4","3","2","5","5","4","3","1") = "4"
    & skf21("4","3","2","5","5","4","4","1") = "4"
    & skf21("4","3","2","5","5","4","5","1") = "4"
    & skf21("4","3","2","5","5","4","6","1") = "5"
    & skf21("4","3","2","5","5","4","7","1") = "6"
    & skf21("4","3","2","5","5","5","1","1") = "4"
    & skf21("4","3","2","5","5","5","2","1") = "4"
    & skf21("4","3","2","5","5","5","3","1") = "4"
    & skf21("4","3","2","5","5","5","4","1") = "4"
    & skf21("4","3","2","5","5","5","5","1") = "4"
    & skf21("4","3","2","5","5","5","6","1") = "5"
    & skf21("4","3","2","5","5","5","7","1") = "6"
    & skf21("4","3","2","5","5","6","1","1") = "5"
    & skf21("4","3","2","5","5","6","2","1") = "5"
    & skf21("4","3","2","5","5","6","3","1") = "5"
    & skf21("4","3","2","5","5","6","4","1") = "5"
    & skf21("4","3","2","5","5","6","5","1") = "5"
    & skf21("4","3","2","5","5","6","6","1") = "5"
    & skf21("4","3","2","5","5","6","7","1") = "6"
    & skf21("4","3","2","5","5","7","1","1") = "6"
    & skf21("4","3","2","5","5","7","2","1") = "6"
    & skf21("4","3","2","5","5","7","3","1") = "6"
    & skf21("4","3","2","5","5","7","4","1") = "6"
    & skf21("4","3","2","5","5","7","5","1") = "6"
    & skf21("4","3","2","5","5","7","6","1") = "6"
    & skf21("4","3","2","5","5","7","7","1") = "6"
    & skf21("4","3","2","5","6","1","1","1") = "5"
    & skf21("4","3","2","5","6","1","2","1") = "5"
    & skf21("4","3","2","5","6","1","3","1") = "5"
    & skf21("4","3","2","5","6","1","4","1") = "5"
    & skf21("4","3","2","5","6","1","5","1") = "5"
    & skf21("4","3","2","5","6","1","6","1") = "5"
    & skf21("4","3","2","5","6","1","7","1") = "6"
    & skf21("4","3","2","5","6","2","1","1") = "5"
    & skf21("4","3","2","5","6","2","2","1") = "5"
    & skf21("4","3","2","5","6","2","3","1") = "5"
    & skf21("4","3","2","5","6","2","4","1") = "5"
    & skf21("4","3","2","5","6","2","5","1") = "5"
    & skf21("4","3","2","5","6","2","6","1") = "5"
    & skf21("4","3","2","5","6","2","7","1") = "6"
    & skf21("4","3","2","5","6","3","1","1") = "5"
    & skf21("4","3","2","5","6","3","2","1") = "5"
    & skf21("4","3","2","5","6","3","3","1") = "5"
    & skf21("4","3","2","5","6","3","4","1") = "5"
    & skf21("4","3","2","5","6","3","5","1") = "5"
    & skf21("4","3","2","5","6","3","6","1") = "5"
    & skf21("4","3","2","5","6","3","7","1") = "6"
    & skf21("4","3","2","5","6","4","1","1") = "5"
    & skf21("4","3","2","5","6","4","2","1") = "5"
    & skf21("4","3","2","5","6","4","3","1") = "5"
    & skf21("4","3","2","5","6","4","4","1") = "5"
    & skf21("4","3","2","5","6","4","5","1") = "5"
    & skf21("4","3","2","5","6","4","6","1") = "5"
    & skf21("4","3","2","5","6","4","7","1") = "6"
    & skf21("4","3","2","5","6","5","1","1") = "5"
    & skf21("4","3","2","5","6","5","2","1") = "5"
    & skf21("4","3","2","5","6","5","3","1") = "5"
    & skf21("4","3","2","5","6","5","4","1") = "5"
    & skf21("4","3","2","5","6","5","5","1") = "5"
    & skf21("4","3","2","5","6","5","6","1") = "5"
    & skf21("4","3","2","5","6","5","7","1") = "6"
    & skf21("4","3","2","5","6","6","1","1") = "5"
    & skf21("4","3","2","5","6","6","2","1") = "5"
    & skf21("4","3","2","5","6","6","3","1") = "5"
    & skf21("4","3","2","5","6","6","4","1") = "5"
    & skf21("4","3","2","5","6","6","5","1") = "5"
    & skf21("4","3","2","5","6","6","6","1") = "5"
    & skf21("4","3","2","5","6","6","7","1") = "6"
    & skf21("4","3","2","5","6","7","1","1") = "6"
    & skf21("4","3","2","5","6","7","2","1") = "6"
    & skf21("4","3","2","5","6","7","3","1") = "6"
    & skf21("4","3","2","5","6","7","4","1") = "6"
    & skf21("4","3","2","5","6","7","5","1") = "6"
    & skf21("4","3","2","5","6","7","6","1") = "6"
    & skf21("4","3","2","5","6","7","7","1") = "6"
    & skf21("4","3","2","5","7","1","1","1") = "6"
    & skf21("4","3","2","5","7","1","2","1") = "6"
    & skf21("4","3","2","5","7","1","3","1") = "6"
    & skf21("4","3","2","5","7","1","4","1") = "6"
    & skf21("4","3","2","5","7","1","5","1") = "6"
    & skf21("4","3","2","5","7","1","6","1") = "6"
    & skf21("4","3","2","5","7","1","7","1") = "6"
    & skf21("4","3","2","5","7","2","1","1") = "6"
    & skf21("4","3","2","5","7","2","2","1") = "6"
    & skf21("4","3","2","5","7","2","3","1") = "6"
    & skf21("4","3","2","5","7","2","4","1") = "6"
    & skf21("4","3","2","5","7","2","5","1") = "6"
    & skf21("4","3","2","5","7","2","6","1") = "6"
    & skf21("4","3","2","5","7","2","7","1") = "6"
    & skf21("4","3","2","5","7","3","1","1") = "6"
    & skf21("4","3","2","5","7","3","2","1") = "6"
    & skf21("4","3","2","5","7","3","3","1") = "6"
    & skf21("4","3","2","5","7","3","4","1") = "6"
    & skf21("4","3","2","5","7","3","5","1") = "6"
    & skf21("4","3","2","5","7","3","6","1") = "6"
    & skf21("4","3","2","5","7","3","7","1") = "6"
    & skf21("4","3","2","5","7","4","1","1") = "6"
    & skf21("4","3","2","5","7","4","2","1") = "6"
    & skf21("4","3","2","5","7","4","3","1") = "6"
    & skf21("4","3","2","5","7","4","4","1") = "6"
    & skf21("4","3","2","5","7","4","5","1") = "6"
    & skf21("4","3","2","5","7","4","6","1") = "6"
    & skf21("4","3","2","5","7","4","7","1") = "6"
    & skf21("4","3","2","5","7","5","1","1") = "6"
    & skf21("4","3","2","5","7","5","2","1") = "6"
    & skf21("4","3","2","5","7","5","3","1") = "6"
    & skf21("4","3","2","5","7","5","4","1") = "6"
    & skf21("4","3","2","5","7","5","5","1") = "6"
    & skf21("4","3","2","5","7","5","6","1") = "6"
    & skf21("4","3","2","5","7","5","7","1") = "6"
    & skf21("4","3","2","5","7","6","1","1") = "6"
    & skf21("4","3","2","5","7","6","2","1") = "6"
    & skf21("4","3","2","5","7","6","3","1") = "6"
    & skf21("4","3","2","5","7","6","4","1") = "6"
    & skf21("4","3","2","5","7","6","5","1") = "6"
    & skf21("4","3","2","5","7","6","6","1") = "6"
    & skf21("4","3","2","5","7","6","7","1") = "6"
    & skf21("4","3","2","5","7","7","1","1") = "6"
    & skf21("4","3","2","5","7","7","2","1") = "6"
    & skf21("4","3","2","5","7","7","3","1") = "6"
    & skf21("4","3","2","5","7","7","4","1") = "6"
    & skf21("4","3","2","5","7","7","5","1") = "6"
    & skf21("4","3","2","5","7","7","6","1") = "6"
    & skf21("4","3","2","5","7","7","7","1") = "6"
    & skf21("4","3","2","6","1","1","1","1") = "5"
    & skf21("4","3","2","6","1","1","2","1") = "5"
    & skf21("4","3","2","6","1","1","3","1") = "5"
    & skf21("4","3","2","6","1","1","4","1") = "5"
    & skf21("4","3","2","6","1","1","5","1") = "5"
    & skf21("4","3","2","6","1","1","6","1") = "5"
    & skf21("4","3","2","6","1","1","7","1") = "6"
    & skf21("4","3","2","6","1","2","1","1") = "5"
    & skf21("4","3","2","6","1","2","2","1") = "5"
    & skf21("4","3","2","6","1","2","3","1") = "5"
    & skf21("4","3","2","6","1","2","4","1") = "5"
    & skf21("4","3","2","6","1","2","5","1") = "5"
    & skf21("4","3","2","6","1","2","6","1") = "5"
    & skf21("4","3","2","6","1","2","7","1") = "6"
    & skf21("4","3","2","6","1","3","1","1") = "5"
    & skf21("4","3","2","6","1","3","2","1") = "5"
    & skf21("4","3","2","6","1","3","3","1") = "5"
    & skf21("4","3","2","6","1","3","4","1") = "5"
    & skf21("4","3","2","6","1","3","5","1") = "5"
    & skf21("4","3","2","6","1","3","6","1") = "5"
    & skf21("4","3","2","6","1","3","7","1") = "6"
    & skf21("4","3","2","6","1","4","1","1") = "5"
    & skf21("4","3","2","6","1","4","2","1") = "5"
    & skf21("4","3","2","6","1","4","3","1") = "5"
    & skf21("4","3","2","6","1","4","4","1") = "5"
    & skf21("4","3","2","6","1","4","5","1") = "5"
    & skf21("4","3","2","6","1","4","6","1") = "5"
    & skf21("4","3","2","6","1","4","7","1") = "6"
    & skf21("4","3","2","6","1","5","1","1") = "5"
    & skf21("4","3","2","6","1","5","2","1") = "5"
    & skf21("4","3","2","6","1","5","3","1") = "5"
    & skf21("4","3","2","6","1","5","4","1") = "5"
    & skf21("4","3","2","6","1","5","5","1") = "5"
    & skf21("4","3","2","6","1","5","6","1") = "5"
    & skf21("4","3","2","6","1","5","7","1") = "6"
    & skf21("4","3","2","6","1","6","1","1") = "5"
    & skf21("4","3","2","6","1","6","2","1") = "5"
    & skf21("4","3","2","6","1","6","3","1") = "5"
    & skf21("4","3","2","6","1","6","4","1") = "5"
    & skf21("4","3","2","6","1","6","5","1") = "5"
    & skf21("4","3","2","6","1","6","6","1") = "5"
    & skf21("4","3","2","6","1","6","7","1") = "6"
    & skf21("4","3","2","6","1","7","1","1") = "6"
    & skf21("4","3","2","6","1","7","2","1") = "6"
    & skf21("4","3","2","6","1","7","3","1") = "6"
    & skf21("4","3","2","6","1","7","4","1") = "6"
    & skf21("4","3","2","6","1","7","5","1") = "6"
    & skf21("4","3","2","6","1","7","6","1") = "6"
    & skf21("4","3","2","6","1","7","7","1") = "6"
    & skf21("4","3","2","6","2","1","1","1") = "5"
    & skf21("4","3","2","6","2","1","2","1") = "5"
    & skf21("4","3","2","6","2","1","3","1") = "5"
    & skf21("4","3","2","6","2","1","4","1") = "5"
    & skf21("4","3","2","6","2","1","5","1") = "5"
    & skf21("4","3","2","6","2","1","6","1") = "5"
    & skf21("4","3","2","6","2","1","7","1") = "6"
    & skf21("4","3","2","6","2","2","1","1") = "5"
    & skf21("4","3","2","6","2","2","2","1") = "5"
    & skf21("4","3","2","6","2","2","3","1") = "5"
    & skf21("4","3","2","6","2","2","4","1") = "5"
    & skf21("4","3","2","6","2","2","5","1") = "5"
    & skf21("4","3","2","6","2","2","6","1") = "5"
    & skf21("4","3","2","6","2","2","7","1") = "6"
    & skf21("4","3","2","6","2","3","1","1") = "5"
    & skf21("4","3","2","6","2","3","2","1") = "5"
    & skf21("4","3","2","6","2","3","3","1") = "5"
    & skf21("4","3","2","6","2","3","4","1") = "5"
    & skf21("4","3","2","6","2","3","5","1") = "5"
    & skf21("4","3","2","6","2","3","6","1") = "5"
    & skf21("4","3","2","6","2","3","7","1") = "6"
    & skf21("4","3","2","6","2","4","1","1") = "5"
    & skf21("4","3","2","6","2","4","2","1") = "5"
    & skf21("4","3","2","6","2","4","3","1") = "5"
    & skf21("4","3","2","6","2","4","4","1") = "5"
    & skf21("4","3","2","6","2","4","5","1") = "5"
    & skf21("4","3","2","6","2","4","6","1") = "5"
    & skf21("4","3","2","6","2","4","7","1") = "6"
    & skf21("4","3","2","6","2","5","1","1") = "5"
    & skf21("4","3","2","6","2","5","2","1") = "5"
    & skf21("4","3","2","6","2","5","3","1") = "5"
    & skf21("4","3","2","6","2","5","4","1") = "5"
    & skf21("4","3","2","6","2","5","5","1") = "5"
    & skf21("4","3","2","6","2","5","6","1") = "5"
    & skf21("4","3","2","6","2","5","7","1") = "6"
    & skf21("4","3","2","6","2","6","1","1") = "5"
    & skf21("4","3","2","6","2","6","2","1") = "5"
    & skf21("4","3","2","6","2","6","3","1") = "5"
    & skf21("4","3","2","6","2","6","4","1") = "5"
    & skf21("4","3","2","6","2","6","5","1") = "5"
    & skf21("4","3","2","6","2","6","6","1") = "5"
    & skf21("4","3","2","6","2","6","7","1") = "6"
    & skf21("4","3","2","6","2","7","1","1") = "6"
    & skf21("4","3","2","6","2","7","2","1") = "6"
    & skf21("4","3","2","6","2","7","3","1") = "6"
    & skf21("4","3","2","6","2","7","4","1") = "6"
    & skf21("4","3","2","6","2","7","5","1") = "6"
    & skf21("4","3","2","6","2","7","6","1") = "6"
    & skf21("4","3","2","6","2","7","7","1") = "6"
    & skf21("4","3","2","6","3","1","1","1") = "5"
    & skf21("4","3","2","6","3","1","2","1") = "5"
    & skf21("4","3","2","6","3","1","3","1") = "5"
    & skf21("4","3","2","6","3","1","4","1") = "5"
    & skf21("4","3","2","6","3","1","5","1") = "5"
    & skf21("4","3","2","6","3","1","6","1") = "5"
    & skf21("4","3","2","6","3","1","7","1") = "6"
    & skf21("4","3","2","6","3","2","1","1") = "5"
    & skf21("4","3","2","6","3","2","2","1") = "5"
    & skf21("4","3","2","6","3","2","3","1") = "5"
    & skf21("4","3","2","6","3","2","4","1") = "5"
    & skf21("4","3","2","6","3","2","5","1") = "5"
    & skf21("4","3","2","6","3","2","6","1") = "5"
    & skf21("4","3","2","6","3","2","7","1") = "6"
    & skf21("4","3","2","6","3","3","1","1") = "5"
    & skf21("4","3","2","6","3","3","2","1") = "5"
    & skf21("4","3","2","6","3","3","3","1") = "5"
    & skf21("4","3","2","6","3","3","4","1") = "5"
    & skf21("4","3","2","6","3","3","5","1") = "5"
    & skf21("4","3","2","6","3","3","6","1") = "5"
    & skf21("4","3","2","6","3","3","7","1") = "6"
    & skf21("4","3","2","6","3","4","1","1") = "5"
    & skf21("4","3","2","6","3","4","2","1") = "5"
    & skf21("4","3","2","6","3","4","3","1") = "5"
    & skf21("4","3","2","6","3","4","4","1") = "5"
    & skf21("4","3","2","6","3","4","5","1") = "5"
    & skf21("4","3","2","6","3","4","6","1") = "5"
    & skf21("4","3","2","6","3","4","7","1") = "6"
    & skf21("4","3","2","6","3","5","1","1") = "5"
    & skf21("4","3","2","6","3","5","2","1") = "5"
    & skf21("4","3","2","6","3","5","3","1") = "5"
    & skf21("4","3","2","6","3","5","4","1") = "5"
    & skf21("4","3","2","6","3","5","5","1") = "5"
    & skf21("4","3","2","6","3","5","6","1") = "5"
    & skf21("4","3","2","6","3","5","7","1") = "6"
    & skf21("4","3","2","6","3","6","1","1") = "5"
    & skf21("4","3","2","6","3","6","2","1") = "5"
    & skf21("4","3","2","6","3","6","3","1") = "5"
    & skf21("4","3","2","6","3","6","4","1") = "5"
    & skf21("4","3","2","6","3","6","5","1") = "5"
    & skf21("4","3","2","6","3","6","6","1") = "5"
    & skf21("4","3","2","6","3","6","7","1") = "6"
    & skf21("4","3","2","6","3","7","1","1") = "6"
    & skf21("4","3","2","6","3","7","2","1") = "6"
    & skf21("4","3","2","6","3","7","3","1") = "6"
    & skf21("4","3","2","6","3","7","4","1") = "6"
    & skf21("4","3","2","6","3","7","5","1") = "6"
    & skf21("4","3","2","6","3","7","6","1") = "6"
    & skf21("4","3","2","6","3","7","7","1") = "6"
    & skf21("4","3","2","6","4","1","1","1") = "5"
    & skf21("4","3","2","6","4","1","2","1") = "5"
    & skf21("4","3","2","6","4","1","3","1") = "5"
    & skf21("4","3","2","6","4","1","4","1") = "5"
    & skf21("4","3","2","6","4","1","5","1") = "5"
    & skf21("4","3","2","6","4","1","6","1") = "5"
    & skf21("4","3","2","6","4","1","7","1") = "6"
    & skf21("4","3","2","6","4","2","1","1") = "5"
    & skf21("4","3","2","6","4","2","2","1") = "5"
    & skf21("4","3","2","6","4","2","3","1") = "5"
    & skf21("4","3","2","6","4","2","4","1") = "5"
    & skf21("4","3","2","6","4","2","5","1") = "5"
    & skf21("4","3","2","6","4","2","6","1") = "5"
    & skf21("4","3","2","6","4","2","7","1") = "6"
    & skf21("4","3","2","6","4","3","1","1") = "5"
    & skf21("4","3","2","6","4","3","2","1") = "5"
    & skf21("4","3","2","6","4","3","3","1") = "5"
    & skf21("4","3","2","6","4","3","4","1") = "5"
    & skf21("4","3","2","6","4","3","5","1") = "5"
    & skf21("4","3","2","6","4","3","6","1") = "5"
    & skf21("4","3","2","6","4","3","7","1") = "6"
    & skf21("4","3","2","6","4","4","1","1") = "5"
    & skf21("4","3","2","6","4","4","2","1") = "5"
    & skf21("4","3","2","6","4","4","3","1") = "5"
    & skf21("4","3","2","6","4","4","4","1") = "5"
    & skf21("4","3","2","6","4","4","5","1") = "5"
    & skf21("4","3","2","6","4","4","6","1") = "5"
    & skf21("4","3","2","6","4","4","7","1") = "6"
    & skf21("4","3","2","6","4","5","1","1") = "5"
    & skf21("4","3","2","6","4","5","2","1") = "5"
    & skf21("4","3","2","6","4","5","3","1") = "5"
    & skf21("4","3","2","6","4","5","4","1") = "5"
    & skf21("4","3","2","6","4","5","5","1") = "5"
    & skf21("4","3","2","6","4","5","6","1") = "5"
    & skf21("4","3","2","6","4","5","7","1") = "6"
    & skf21("4","3","2","6","4","6","1","1") = "5"
    & skf21("4","3","2","6","4","6","2","1") = "5"
    & skf21("4","3","2","6","4","6","3","1") = "5"
    & skf21("4","3","2","6","4","6","4","1") = "5"
    & skf21("4","3","2","6","4","6","5","1") = "5"
    & skf21("4","3","2","6","4","6","6","1") = "5"
    & skf21("4","3","2","6","4","6","7","1") = "6"
    & skf21("4","3","2","6","4","7","1","1") = "6"
    & skf21("4","3","2","6","4","7","2","1") = "6"
    & skf21("4","3","2","6","4","7","3","1") = "6"
    & skf21("4","3","2","6","4","7","4","1") = "6"
    & skf21("4","3","2","6","4","7","5","1") = "6"
    & skf21("4","3","2","6","4","7","6","1") = "6"
    & skf21("4","3","2","6","4","7","7","1") = "6"
    & skf21("4","3","2","6","5","1","1","1") = "5"
    & skf21("4","3","2","6","5","1","2","1") = "5"
    & skf21("4","3","2","6","5","1","3","1") = "5"
    & skf21("4","3","2","6","5","1","4","1") = "5"
    & skf21("4","3","2","6","5","1","5","1") = "5"
    & skf21("4","3","2","6","5","1","6","1") = "5"
    & skf21("4","3","2","6","5","1","7","1") = "6"
    & skf21("4","3","2","6","5","2","1","1") = "5"
    & skf21("4","3","2","6","5","2","2","1") = "5"
    & skf21("4","3","2","6","5","2","3","1") = "5"
    & skf21("4","3","2","6","5","2","4","1") = "5"
    & skf21("4","3","2","6","5","2","5","1") = "5"
    & skf21("4","3","2","6","5","2","6","1") = "5"
    & skf21("4","3","2","6","5","2","7","1") = "6"
    & skf21("4","3","2","6","5","3","1","1") = "5"
    & skf21("4","3","2","6","5","3","2","1") = "5"
    & skf21("4","3","2","6","5","3","3","1") = "5"
    & skf21("4","3","2","6","5","3","4","1") = "5"
    & skf21("4","3","2","6","5","3","5","1") = "5"
    & skf21("4","3","2","6","5","3","6","1") = "5"
    & skf21("4","3","2","6","5","3","7","1") = "6"
    & skf21("4","3","2","6","5","4","1","1") = "5"
    & skf21("4","3","2","6","5","4","2","1") = "5"
    & skf21("4","3","2","6","5","4","3","1") = "5"
    & skf21("4","3","2","6","5","4","4","1") = "5"
    & skf21("4","3","2","6","5","4","5","1") = "5"
    & skf21("4","3","2","6","5","4","6","1") = "5"
    & skf21("4","3","2","6","5","4","7","1") = "6"
    & skf21("4","3","2","6","5","5","1","1") = "5"
    & skf21("4","3","2","6","5","5","2","1") = "5"
    & skf21("4","3","2","6","5","5","3","1") = "5"
    & skf21("4","3","2","6","5","5","4","1") = "5"
    & skf21("4","3","2","6","5","5","5","1") = "5"
    & skf21("4","3","2","6","5","5","6","1") = "5"
    & skf21("4","3","2","6","5","5","7","1") = "6"
    & skf21("4","3","2","6","5","6","1","1") = "5"
    & skf21("4","3","2","6","5","6","2","1") = "5"
    & skf21("4","3","2","6","5","6","3","1") = "5"
    & skf21("4","3","2","6","5","6","4","1") = "5"
    & skf21("4","3","2","6","5","6","5","1") = "5"
    & skf21("4","3","2","6","5","6","6","1") = "5"
    & skf21("4","3","2","6","5","6","7","1") = "6"
    & skf21("4","3","2","6","5","7","1","1") = "6"
    & skf21("4","3","2","6","5","7","2","1") = "6"
    & skf21("4","3","2","6","5","7","3","1") = "6"
    & skf21("4","3","2","6","5","7","4","1") = "6"
    & skf21("4","3","2","6","5","7","5","1") = "6"
    & skf21("4","3","2","6","5","7","6","1") = "6"
    & skf21("4","3","2","6","5","7","7","1") = "6"
    & skf21("4","3","2","6","6","1","1","1") = "5"
    & skf21("4","3","2","6","6","1","2","1") = "5"
    & skf21("4","3","2","6","6","1","3","1") = "5"
    & skf21("4","3","2","6","6","1","4","1") = "5"
    & skf21("4","3","2","6","6","1","5","1") = "5"
    & skf21("4","3","2","6","6","1","6","1") = "5"
    & skf21("4","3","2","6","6","1","7","1") = "6"
    & skf21("4","3","2","6","6","2","1","1") = "5"
    & skf21("4","3","2","6","6","2","2","1") = "5"
    & skf21("4","3","2","6","6","2","3","1") = "5"
    & skf21("4","3","2","6","6","2","4","1") = "5"
    & skf21("4","3","2","6","6","2","5","1") = "5"
    & skf21("4","3","2","6","6","2","6","1") = "5"
    & skf21("4","3","2","6","6","2","7","1") = "6"
    & skf21("4","3","2","6","6","3","1","1") = "5"
    & skf21("4","3","2","6","6","3","2","1") = "5"
    & skf21("4","3","2","6","6","3","3","1") = "5"
    & skf21("4","3","2","6","6","3","4","1") = "5"
    & skf21("4","3","2","6","6","3","5","1") = "5"
    & skf21("4","3","2","6","6","3","6","1") = "5"
    & skf21("4","3","2","6","6","3","7","1") = "6"
    & skf21("4","3","2","6","6","4","1","1") = "5"
    & skf21("4","3","2","6","6","4","2","1") = "5"
    & skf21("4","3","2","6","6","4","3","1") = "5"
    & skf21("4","3","2","6","6","4","4","1") = "5"
    & skf21("4","3","2","6","6","4","5","1") = "5"
    & skf21("4","3","2","6","6","4","6","1") = "5"
    & skf21("4","3","2","6","6","4","7","1") = "6"
    & skf21("4","3","2","6","6","5","1","1") = "5"
    & skf21("4","3","2","6","6","5","2","1") = "5"
    & skf21("4","3","2","6","6","5","3","1") = "5"
    & skf21("4","3","2","6","6","5","4","1") = "5"
    & skf21("4","3","2","6","6","5","5","1") = "5"
    & skf21("4","3","2","6","6","5","6","1") = "5"
    & skf21("4","3","2","6","6","5","7","1") = "6"
    & skf21("4","3","2","6","6","6","1","1") = "5"
    & skf21("4","3","2","6","6","6","2","1") = "5"
    & skf21("4","3","2","6","6","6","3","1") = "5"
    & skf21("4","3","2","6","6","6","4","1") = "5"
    & skf21("4","3","2","6","6","6","5","1") = "5"
    & skf21("4","3","2","6","6","6","6","1") = "5"
    & skf21("4","3","2","6","6","6","7","1") = "6"
    & skf21("4","3","2","6","6","7","1","1") = "6"
    & skf21("4","3","2","6","6","7","2","1") = "6"
    & skf21("4","3","2","6","6","7","3","1") = "6"
    & skf21("4","3","2","6","6","7","4","1") = "6"
    & skf21("4","3","2","6","6","7","5","1") = "6"
    & skf21("4","3","2","6","6","7","6","1") = "6"
    & skf21("4","3","2","6","6","7","7","1") = "6"
    & skf21("4","3","2","6","7","1","1","1") = "6"
    & skf21("4","3","2","6","7","1","2","1") = "6"
    & skf21("4","3","2","6","7","1","3","1") = "6"
    & skf21("4","3","2","6","7","1","4","1") = "6"
    & skf21("4","3","2","6","7","1","5","1") = "6"
    & skf21("4","3","2","6","7","1","6","1") = "6"
    & skf21("4","3","2","6","7","1","7","1") = "6"
    & skf21("4","3","2","6","7","2","1","1") = "6"
    & skf21("4","3","2","6","7","2","2","1") = "6"
    & skf21("4","3","2","6","7","2","3","1") = "6"
    & skf21("4","3","2","6","7","2","4","1") = "6"
    & skf21("4","3","2","6","7","2","5","1") = "6"
    & skf21("4","3","2","6","7","2","6","1") = "6"
    & skf21("4","3","2","6","7","2","7","1") = "6"
    & skf21("4","3","2","6","7","3","1","1") = "6"
    & skf21("4","3","2","6","7","3","2","1") = "6"
    & skf21("4","3","2","6","7","3","3","1") = "6"
    & skf21("4","3","2","6","7","3","4","1") = "6"
    & skf21("4","3","2","6","7","3","5","1") = "6"
    & skf21("4","3","2","6","7","3","6","1") = "6"
    & skf21("4","3","2","6","7","3","7","1") = "6"
    & skf21("4","3","2","6","7","4","1","1") = "6"
    & skf21("4","3","2","6","7","4","2","1") = "6"
    & skf21("4","3","2","6","7","4","3","1") = "6"
    & skf21("4","3","2","6","7","4","4","1") = "6"
    & skf21("4","3","2","6","7","4","5","1") = "6"
    & skf21("4","3","2","6","7","4","6","1") = "6"
    & skf21("4","3","2","6","7","4","7","1") = "6"
    & skf21("4","3","2","6","7","5","1","1") = "6"
    & skf21("4","3","2","6","7","5","2","1") = "6"
    & skf21("4","3","2","6","7","5","3","1") = "6"
    & skf21("4","3","2","6","7","5","4","1") = "6"
    & skf21("4","3","2","6","7","5","5","1") = "6"
    & skf21("4","3","2","6","7","5","6","1") = "6"
    & skf21("4","3","2","6","7","5","7","1") = "6"
    & skf21("4","3","2","6","7","6","1","1") = "6"
    & skf21("4","3","2","6","7","6","2","1") = "6"
    & skf21("4","3","2","6","7","6","3","1") = "6"
    & skf21("4","3","2","6","7","6","4","1") = "6"
    & skf21("4","3","2","6","7","6","5","1") = "6"
    & skf21("4","3","2","6","7","6","6","1") = "6"
    & skf21("4","3","2","6","7","6","7","1") = "6"
    & skf21("4","3","2","6","7","7","1","1") = "6"
    & skf21("4","3","2","6","7","7","2","1") = "6"
    & skf21("4","3","2","6","7","7","3","1") = "6"
    & skf21("4","3","2","6","7","7","4","1") = "6"
    & skf21("4","3","2","6","7","7","5","1") = "6"
    & skf21("4","3","2","6","7","7","6","1") = "6"
    & skf21("4","3","2","6","7","7","7","1") = "6"
    & skf21("4","3","2","7","1","1","1","1") = "6"
    & skf21("4","3","2","7","1","1","2","1") = "6"
    & skf21("4","3","2","7","1","1","3","1") = "6"
    & skf21("4","3","2","7","1","1","4","1") = "6"
    & skf21("4","3","2","7","1","1","5","1") = "6"
    & skf21("4","3","2","7","1","1","6","1") = "6"
    & skf21("4","3","2","7","1","1","7","1") = "6"
    & skf21("4","3","2","7","1","2","1","1") = "6"
    & skf21("4","3","2","7","1","2","2","1") = "6"
    & skf21("4","3","2","7","1","2","3","1") = "6"
    & skf21("4","3","2","7","1","2","4","1") = "6"
    & skf21("4","3","2","7","1","2","5","1") = "6"
    & skf21("4","3","2","7","1","2","6","1") = "6"
    & skf21("4","3","2","7","1","2","7","1") = "6"
    & skf21("4","3","2","7","1","3","1","1") = "6"
    & skf21("4","3","2","7","1","3","2","1") = "6"
    & skf21("4","3","2","7","1","3","3","1") = "6"
    & skf21("4","3","2","7","1","3","4","1") = "6"
    & skf21("4","3","2","7","1","3","5","1") = "6"
    & skf21("4","3","2","7","1","3","6","1") = "6"
    & skf21("4","3","2","7","1","3","7","1") = "6"
    & skf21("4","3","2","7","1","4","1","1") = "6"
    & skf21("4","3","2","7","1","4","2","1") = "6"
    & skf21("4","3","2","7","1","4","3","1") = "6"
    & skf21("4","3","2","7","1","4","4","1") = "6"
    & skf21("4","3","2","7","1","4","5","1") = "6"
    & skf21("4","3","2","7","1","4","6","1") = "6"
    & skf21("4","3","2","7","1","4","7","1") = "6"
    & skf21("4","3","2","7","1","5","1","1") = "6"
    & skf21("4","3","2","7","1","5","2","1") = "6"
    & skf21("4","3","2","7","1","5","3","1") = "6"
    & skf21("4","3","2","7","1","5","4","1") = "6"
    & skf21("4","3","2","7","1","5","5","1") = "6"
    & skf21("4","3","2","7","1","5","6","1") = "6"
    & skf21("4","3","2","7","1","5","7","1") = "6"
    & skf21("4","3","2","7","1","6","1","1") = "6"
    & skf21("4","3","2","7","1","6","2","1") = "6"
    & skf21("4","3","2","7","1","6","3","1") = "6"
    & skf21("4","3","2","7","1","6","4","1") = "6"
    & skf21("4","3","2","7","1","6","5","1") = "6"
    & skf21("4","3","2","7","1","6","6","1") = "6"
    & skf21("4","3","2","7","1","6","7","1") = "6"
    & skf21("4","3","2","7","1","7","1","1") = "6"
    & skf21("4","3","2","7","1","7","2","1") = "6"
    & skf21("4","3","2","7","1","7","3","1") = "6"
    & skf21("4","3","2","7","1","7","4","1") = "6"
    & skf21("4","3","2","7","1","7","5","1") = "6"
    & skf21("4","3","2","7","1","7","6","1") = "6"
    & skf21("4","3","2","7","1","7","7","1") = "6"
    & skf21("4","3","2","7","2","1","1","1") = "6"
    & skf21("4","3","2","7","2","1","2","1") = "6"
    & skf21("4","3","2","7","2","1","3","1") = "6"
    & skf21("4","3","2","7","2","1","4","1") = "6"
    & skf21("4","3","2","7","2","1","5","1") = "6"
    & skf21("4","3","2","7","2","1","6","1") = "6"
    & skf21("4","3","2","7","2","1","7","1") = "6"
    & skf21("4","3","2","7","2","2","1","1") = "6"
    & skf21("4","3","2","7","2","2","2","1") = "6"
    & skf21("4","3","2","7","2","2","3","1") = "6"
    & skf21("4","3","2","7","2","2","4","1") = "6"
    & skf21("4","3","2","7","2","2","5","1") = "6"
    & skf21("4","3","2","7","2","2","6","1") = "6"
    & skf21("4","3","2","7","2","2","7","1") = "6"
    & skf21("4","3","2","7","2","3","1","1") = "6"
    & skf21("4","3","2","7","2","3","2","1") = "6"
    & skf21("4","3","2","7","2","3","3","1") = "6"
    & skf21("4","3","2","7","2","3","4","1") = "6"
    & skf21("4","3","2","7","2","3","5","1") = "6"
    & skf21("4","3","2","7","2","3","6","1") = "6"
    & skf21("4","3","2","7","2","3","7","1") = "6"
    & skf21("4","3","2","7","2","4","1","1") = "6"
    & skf21("4","3","2","7","2","4","2","1") = "6"
    & skf21("4","3","2","7","2","4","3","1") = "6"
    & skf21("4","3","2","7","2","4","4","1") = "6"
    & skf21("4","3","2","7","2","4","5","1") = "6"
    & skf21("4","3","2","7","2","4","6","1") = "6"
    & skf21("4","3","2","7","2","4","7","1") = "6"
    & skf21("4","3","2","7","2","5","1","1") = "6"
    & skf21("4","3","2","7","2","5","2","1") = "6"
    & skf21("4","3","2","7","2","5","3","1") = "6"
    & skf21("4","3","2","7","2","5","4","1") = "6"
    & skf21("4","3","2","7","2","5","5","1") = "6"
    & skf21("4","3","2","7","2","5","6","1") = "6"
    & skf21("4","3","2","7","2","5","7","1") = "6"
    & skf21("4","3","2","7","2","6","1","1") = "6"
    & skf21("4","3","2","7","2","6","2","1") = "6"
    & skf21("4","3","2","7","2","6","3","1") = "6"
    & skf21("4","3","2","7","2","6","4","1") = "6"
    & skf21("4","3","2","7","2","6","5","1") = "6"
    & skf21("4","3","2","7","2","6","6","1") = "6"
    & skf21("4","3","2","7","2","6","7","1") = "6"
    & skf21("4","3","2","7","2","7","1","1") = "6"
    & skf21("4","3","2","7","2","7","2","1") = "6"
    & skf21("4","3","2","7","2","7","3","1") = "6"
    & skf21("4","3","2","7","2","7","4","1") = "6"
    & skf21("4","3","2","7","2","7","5","1") = "6"
    & skf21("4","3","2","7","2","7","6","1") = "6"
    & skf21("4","3","2","7","2","7","7","1") = "6"
    & skf21("4","3","2","7","3","1","1","1") = "6"
    & skf21("4","3","2","7","3","1","2","1") = "6"
    & skf21("4","3","2","7","3","1","3","1") = "6"
    & skf21("4","3","2","7","3","1","4","1") = "6"
    & skf21("4","3","2","7","3","1","5","1") = "6"
    & skf21("4","3","2","7","3","1","6","1") = "6"
    & skf21("4","3","2","7","3","1","7","1") = "6"
    & skf21("4","3","2","7","3","2","1","1") = "6"
    & skf21("4","3","2","7","3","2","2","1") = "6"
    & skf21("4","3","2","7","3","2","3","1") = "6"
    & skf21("4","3","2","7","3","2","4","1") = "6"
    & skf21("4","3","2","7","3","2","5","1") = "6"
    & skf21("4","3","2","7","3","2","6","1") = "6"
    & skf21("4","3","2","7","3","2","7","1") = "6"
    & skf21("4","3","2","7","3","3","1","1") = "6"
    & skf21("4","3","2","7","3","3","2","1") = "6"
    & skf21("4","3","2","7","3","3","3","1") = "6"
    & skf21("4","3","2","7","3","3","4","1") = "6"
    & skf21("4","3","2","7","3","3","5","1") = "6"
    & skf21("4","3","2","7","3","3","6","1") = "6"
    & skf21("4","3","2","7","3","3","7","1") = "6"
    & skf21("4","3","2","7","3","4","1","1") = "6"
    & skf21("4","3","2","7","3","4","2","1") = "6"
    & skf21("4","3","2","7","3","4","3","1") = "6"
    & skf21("4","3","2","7","3","4","4","1") = "6"
    & skf21("4","3","2","7","3","4","5","1") = "6"
    & skf21("4","3","2","7","3","4","6","1") = "6"
    & skf21("4","3","2","7","3","4","7","1") = "6"
    & skf21("4","3","2","7","3","5","1","1") = "6"
    & skf21("4","3","2","7","3","5","2","1") = "6"
    & skf21("4","3","2","7","3","5","3","1") = "6"
    & skf21("4","3","2","7","3","5","4","1") = "6"
    & skf21("4","3","2","7","3","5","5","1") = "6"
    & skf21("4","3","2","7","3","5","6","1") = "6"
    & skf21("4","3","2","7","3","5","7","1") = "6"
    & skf21("4","3","2","7","3","6","1","1") = "6"
    & skf21("4","3","2","7","3","6","2","1") = "6"
    & skf21("4","3","2","7","3","6","3","1") = "6"
    & skf21("4","3","2","7","3","6","4","1") = "6"
    & skf21("4","3","2","7","3","6","5","1") = "6"
    & skf21("4","3","2","7","3","6","6","1") = "6"
    & skf21("4","3","2","7","3","6","7","1") = "6"
    & skf21("4","3","2","7","3","7","1","1") = "6"
    & skf21("4","3","2","7","3","7","2","1") = "6"
    & skf21("4","3","2","7","3","7","3","1") = "6"
    & skf21("4","3","2","7","3","7","4","1") = "6"
    & skf21("4","3","2","7","3","7","5","1") = "6"
    & skf21("4","3","2","7","3","7","6","1") = "6"
    & skf21("4","3","2","7","3","7","7","1") = "6"
    & skf21("4","3","2","7","4","1","1","1") = "6"
    & skf21("4","3","2","7","4","1","2","1") = "6"
    & skf21("4","3","2","7","4","1","3","1") = "6"
    & skf21("4","3","2","7","4","1","4","1") = "6"
    & skf21("4","3","2","7","4","1","5","1") = "6"
    & skf21("4","3","2","7","4","1","6","1") = "6"
    & skf21("4","3","2","7","4","1","7","1") = "6"
    & skf21("4","3","2","7","4","2","1","1") = "6"
    & skf21("4","3","2","7","4","2","2","1") = "6"
    & skf21("4","3","2","7","4","2","3","1") = "6"
    & skf21("4","3","2","7","4","2","4","1") = "6"
    & skf21("4","3","2","7","4","2","5","1") = "6"
    & skf21("4","3","2","7","4","2","6","1") = "6"
    & skf21("4","3","2","7","4","2","7","1") = "6"
    & skf21("4","3","2","7","4","3","1","1") = "6"
    & skf21("4","3","2","7","4","3","2","1") = "6"
    & skf21("4","3","2","7","4","3","3","1") = "6"
    & skf21("4","3","2","7","4","3","4","1") = "6"
    & skf21("4","3","2","7","4","3","5","1") = "6"
    & skf21("4","3","2","7","4","3","6","1") = "6"
    & skf21("4","3","2","7","4","3","7","1") = "6"
    & skf21("4","3","2","7","4","4","1","1") = "6"
    & skf21("4","3","2","7","4","4","2","1") = "6"
    & skf21("4","3","2","7","4","4","3","1") = "6"
    & skf21("4","3","2","7","4","4","4","1") = "6"
    & skf21("4","3","2","7","4","4","5","1") = "6"
    & skf21("4","3","2","7","4","4","6","1") = "6"
    & skf21("4","3","2","7","4","4","7","1") = "6"
    & skf21("4","3","2","7","4","5","1","1") = "6"
    & skf21("4","3","2","7","4","5","2","1") = "6"
    & skf21("4","3","2","7","4","5","3","1") = "6"
    & skf21("4","3","2","7","4","5","4","1") = "6"
    & skf21("4","3","2","7","4","5","5","1") = "6"
    & skf21("4","3","2","7","4","5","6","1") = "6"
    & skf21("4","3","2","7","4","5","7","1") = "6"
    & skf21("4","3","2","7","4","6","1","1") = "6"
    & skf21("4","3","2","7","4","6","2","1") = "6"
    & skf21("4","3","2","7","4","6","3","1") = "6"
    & skf21("4","3","2","7","4","6","4","1") = "6"
    & skf21("4","3","2","7","4","6","5","1") = "6"
    & skf21("4","3","2","7","4","6","6","1") = "6"
    & skf21("4","3","2","7","4","6","7","1") = "6"
    & skf21("4","3","2","7","4","7","1","1") = "6"
    & skf21("4","3","2","7","4","7","2","1") = "6"
    & skf21("4","3","2","7","4","7","3","1") = "6"
    & skf21("4","3","2","7","4","7","4","1") = "6"
    & skf21("4","3","2","7","4","7","5","1") = "6"
    & skf21("4","3","2","7","4","7","6","1") = "6"
    & skf21("4","3","2","7","4","7","7","1") = "6"
    & skf21("4","3","2","7","5","1","1","1") = "6"
    & skf21("4","3","2","7","5","1","2","1") = "6"
    & skf21("4","3","2","7","5","1","3","1") = "6"
    & skf21("4","3","2","7","5","1","4","1") = "6"
    & skf21("4","3","2","7","5","1","5","1") = "6"
    & skf21("4","3","2","7","5","1","6","1") = "6"
    & skf21("4","3","2","7","5","1","7","1") = "6"
    & skf21("4","3","2","7","5","2","1","1") = "6"
    & skf21("4","3","2","7","5","2","2","1") = "6"
    & skf21("4","3","2","7","5","2","3","1") = "6"
    & skf21("4","3","2","7","5","2","4","1") = "6"
    & skf21("4","3","2","7","5","2","5","1") = "6"
    & skf21("4","3","2","7","5","2","6","1") = "6"
    & skf21("4","3","2","7","5","2","7","1") = "6"
    & skf21("4","3","2","7","5","3","1","1") = "6"
    & skf21("4","3","2","7","5","3","2","1") = "6"
    & skf21("4","3","2","7","5","3","3","1") = "6"
    & skf21("4","3","2","7","5","3","4","1") = "6"
    & skf21("4","3","2","7","5","3","5","1") = "6"
    & skf21("4","3","2","7","5","3","6","1") = "6"
    & skf21("4","3","2","7","5","3","7","1") = "6"
    & skf21("4","3","2","7","5","4","1","1") = "6"
    & skf21("4","3","2","7","5","4","2","1") = "6"
    & skf21("4","3","2","7","5","4","3","1") = "6"
    & skf21("4","3","2","7","5","4","4","1") = "6"
    & skf21("4","3","2","7","5","4","5","1") = "6"
    & skf21("4","3","2","7","5","4","6","1") = "6"
    & skf21("4","3","2","7","5","4","7","1") = "6"
    & skf21("4","3","2","7","5","5","1","1") = "6"
    & skf21("4","3","2","7","5","5","2","1") = "6"
    & skf21("4","3","2","7","5","5","3","1") = "6"
    & skf21("4","3","2","7","5","5","4","1") = "6"
    & skf21("4","3","2","7","5","5","5","1") = "6"
    & skf21("4","3","2","7","5","5","6","1") = "6"
    & skf21("4","3","2","7","5","5","7","1") = "6"
    & skf21("4","3","2","7","5","6","1","1") = "6"
    & skf21("4","3","2","7","5","6","2","1") = "6"
    & skf21("4","3","2","7","5","6","3","1") = "6"
    & skf21("4","3","2","7","5","6","4","1") = "6"
    & skf21("4","3","2","7","5","6","5","1") = "6"
    & skf21("4","3","2","7","5","6","6","1") = "6"
    & skf21("4","3","2","7","5","6","7","1") = "6"
    & skf21("4","3","2","7","5","7","1","1") = "6"
    & skf21("4","3","2","7","5","7","2","1") = "6"
    & skf21("4","3","2","7","5","7","3","1") = "6"
    & skf21("4","3","2","7","5","7","4","1") = "6"
    & skf21("4","3","2","7","5","7","5","1") = "6"
    & skf21("4","3","2","7","5","7","6","1") = "6"
    & skf21("4","3","2","7","5","7","7","1") = "6"
    & skf21("4","3","2","7","6","1","1","1") = "6"
    & skf21("4","3","2","7","6","1","2","1") = "6"
    & skf21("4","3","2","7","6","1","3","1") = "6"
    & skf21("4","3","2","7","6","1","4","1") = "6"
    & skf21("4","3","2","7","6","1","5","1") = "6"
    & skf21("4","3","2","7","6","1","6","1") = "6"
    & skf21("4","3","2","7","6","1","7","1") = "6"
    & skf21("4","3","2","7","6","2","1","1") = "6"
    & skf21("4","3","2","7","6","2","2","1") = "6"
    & skf21("4","3","2","7","6","2","3","1") = "6"
    & skf21("4","3","2","7","6","2","4","1") = "6"
    & skf21("4","3","2","7","6","2","5","1") = "6"
    & skf21("4","3","2","7","6","2","6","1") = "6"
    & skf21("4","3","2","7","6","2","7","1") = "6"
    & skf21("4","3","2","7","6","3","1","1") = "6"
    & skf21("4","3","2","7","6","3","2","1") = "6"
    & skf21("4","3","2","7","6","3","3","1") = "6"
    & skf21("4","3","2","7","6","3","4","1") = "6"
    & skf21("4","3","2","7","6","3","5","1") = "6"
    & skf21("4","3","2","7","6","3","6","1") = "6"
    & skf21("4","3","2","7","6","3","7","1") = "6"
    & skf21("4","3","2","7","6","4","1","1") = "6"
    & skf21("4","3","2","7","6","4","2","1") = "6"
    & skf21("4","3","2","7","6","4","3","1") = "6"
    & skf21("4","3","2","7","6","4","4","1") = "6"
    & skf21("4","3","2","7","6","4","5","1") = "6"
    & skf21("4","3","2","7","6","4","6","1") = "6"
    & skf21("4","3","2","7","6","4","7","1") = "6"
    & skf21("4","3","2","7","6","5","1","1") = "6"
    & skf21("4","3","2","7","6","5","2","1") = "6"
    & skf21("4","3","2","7","6","5","3","1") = "6"
    & skf21("4","3","2","7","6","5","4","1") = "6"
    & skf21("4","3","2","7","6","5","5","1") = "6"
    & skf21("4","3","2","7","6","5","6","1") = "6"
    & skf21("4","3","2","7","6","5","7","1") = "6"
    & skf21("4","3","2","7","6","6","1","1") = "6"
    & skf21("4","3","2","7","6","6","2","1") = "6"
    & skf21("4","3","2","7","6","6","3","1") = "6"
    & skf21("4","3","2","7","6","6","4","1") = "6"
    & skf21("4","3","2","7","6","6","5","1") = "6"
    & skf21("4","3","2","7","6","6","6","1") = "6"
    & skf21("4","3","2","7","6","6","7","1") = "6"
    & skf21("4","3","2","7","6","7","1","1") = "6"
    & skf21("4","3","2","7","6","7","2","1") = "6"
    & skf21("4","3","2","7","6","7","3","1") = "6"
    & skf21("4","3","2","7","6","7","4","1") = "6"
    & skf21("4","3","2","7","6","7","5","1") = "6"
    & skf21("4","3","2","7","6","7","6","1") = "6"
    & skf21("4","3","2","7","6","7","7","1") = "6"
    & skf21("4","3","2","7","7","1","1","1") = "6"
    & skf21("4","3","2","7","7","1","2","1") = "6"
    & skf21("4","3","2","7","7","1","3","1") = "6"
    & skf21("4","3","2","7","7","1","4","1") = "6"
    & skf21("4","3","2","7","7","1","5","1") = "6"
    & skf21("4","3","2","7","7","1","6","1") = "6"
    & skf21("4","3","2","7","7","1","7","1") = "6"
    & skf21("4","3","2","7","7","2","1","1") = "6"
    & skf21("4","3","2","7","7","2","2","1") = "6"
    & skf21("4","3","2","7","7","2","3","1") = "6"
    & skf21("4","3","2","7","7","2","4","1") = "6"
    & skf21("4","3","2","7","7","2","5","1") = "6"
    & skf21("4","3","2","7","7","2","6","1") = "6"
    & skf21("4","3","2","7","7","2","7","1") = "6"
    & skf21("4","3","2","7","7","3","1","1") = "6"
    & skf21("4","3","2","7","7","3","2","1") = "6"
    & skf21("4","3","2","7","7","3","3","1") = "6"
    & skf21("4","3","2","7","7","3","4","1") = "6"
    & skf21("4","3","2","7","7","3","5","1") = "6"
    & skf21("4","3","2","7","7","3","6","1") = "6"
    & skf21("4","3","2","7","7","3","7","1") = "6"
    & skf21("4","3","2","7","7","4","1","1") = "6"
    & skf21("4","3","2","7","7","4","2","1") = "6"
    & skf21("4","3","2","7","7","4","3","1") = "6"
    & skf21("4","3","2","7","7","4","4","1") = "6"
    & skf21("4","3","2","7","7","4","5","1") = "6"
    & skf21("4","3","2","7","7","4","6","1") = "6"
    & skf21("4","3","2","7","7","4","7","1") = "6"
    & skf21("4","3","2","7","7","5","1","1") = "6"
    & skf21("4","3","2","7","7","5","2","1") = "6"
    & skf21("4","3","2","7","7","5","3","1") = "6"
    & skf21("4","3","2","7","7","5","4","1") = "6"
    & skf21("4","3","2","7","7","5","5","1") = "6"
    & skf21("4","3","2","7","7","5","6","1") = "6"
    & skf21("4","3","2","7","7","5","7","1") = "6"
    & skf21("4","3","2","7","7","6","1","1") = "6"
    & skf21("4","3","2","7","7","6","2","1") = "6"
    & skf21("4","3","2","7","7","6","3","1") = "6"
    & skf21("4","3","2","7","7","6","4","1") = "6"
    & skf21("4","3","2","7","7","6","5","1") = "6"
    & skf21("4","3","2","7","7","6","6","1") = "6"
    & skf21("4","3","2","7","7","6","7","1") = "6"
    & skf21("4","3","2","7","7","7","1","1") = "6"
    & skf21("4","3","2","7","7","7","2","1") = "6"
    & skf21("4","3","2","7","7","7","3","1") = "6"
    & skf21("4","3","2","7","7","7","4","1") = "6"
    & skf21("4","3","2","7","7","7","5","1") = "6"
    & skf21("4","3","2","7","7","7","6","1") = "6"
    & skf21("4","3","2","7","7","7","7","1") = "6"
    & skf21("4","3","3","1","1","1","1","1") = "3"
    & skf21("4","3","3","1","1","1","2","1") = "3"
    & skf21("4","3","3","1","1","1","3","1") = "3"
    & skf21("4","3","3","1","1","1","4","1") = "3"
    & skf21("4","3","3","1","1","1","5","1") = "4"
    & skf21("4","3","3","1","1","1","6","1") = "5"
    & skf21("4","3","3","1","1","1","7","1") = "6"
    & skf21("4","3","3","1","1","2","1","1") = "3"
    & skf21("4","3","3","1","1","2","2","1") = "3"
    & skf21("4","3","3","1","1","2","3","1") = "3"
    & skf21("4","3","3","1","1","2","4","1") = "3"
    & skf21("4","3","3","1","1","2","5","1") = "4"
    & skf21("4","3","3","1","1","2","6","1") = "5"
    & skf21("4","3","3","1","1","2","7","1") = "6"
    & skf21("4","3","3","1","1","3","1","1") = "3"
    & skf21("4","3","3","1","1","3","2","1") = "3"
    & skf21("4","3","3","1","1","3","3","1") = "3"
    & skf21("4","3","3","1","1","3","4","1") = "3"
    & skf21("4","3","3","1","1","3","5","1") = "4"
    & skf21("4","3","3","1","1","3","6","1") = "5"
    & skf21("4","3","3","1","1","3","7","1") = "6"
    & skf21("4","3","3","1","1","4","1","1") = "3"
    & skf21("4","3","3","1","1","4","2","1") = "3"
    & skf21("4","3","3","1","1","4","3","1") = "3"
    & skf21("4","3","3","1","1","4","4","1") = "3"
    & skf21("4","3","3","1","1","4","5","1") = "4"
    & skf21("4","3","3","1","1","4","6","1") = "5"
    & skf21("4","3","3","1","1","4","7","1") = "6"
    & skf21("4","3","3","1","1","5","1","1") = "4"
    & skf21("4","3","3","1","1","5","2","1") = "4"
    & skf21("4","3","3","1","1","5","3","1") = "4"
    & skf21("4","3","3","1","1","5","4","1") = "4"
    & skf21("4","3","3","1","1","5","5","1") = "4"
    & skf21("4","3","3","1","1","5","6","1") = "5"
    & skf21("4","3","3","1","1","5","7","1") = "6"
    & skf21("4","3","3","1","1","6","1","1") = "5"
    & skf21("4","3","3","1","1","6","2","1") = "5"
    & skf21("4","3","3","1","1","6","3","1") = "5"
    & skf21("4","3","3","1","1","6","4","1") = "5"
    & skf21("4","3","3","1","1","6","5","1") = "5"
    & skf21("4","3","3","1","1","6","6","1") = "5"
    & skf21("4","3","3","1","1","6","7","1") = "6"
    & skf21("4","3","3","1","1","7","1","1") = "6"
    & skf21("4","3","3","1","1","7","2","1") = "6"
    & skf21("4","3","3","1","1","7","3","1") = "6"
    & skf21("4","3","3","1","1","7","4","1") = "6"
    & skf21("4","3","3","1","1","7","5","1") = "6"
    & skf21("4","3","3","1","1","7","6","1") = "6"
    & skf21("4","3","3","1","1","7","7","1") = "6"
    & skf21("4","3","3","1","2","1","1","1") = "3"
    & skf21("4","3","3","1","2","1","2","1") = "3"
    & skf21("4","3","3","1","2","1","3","1") = "3"
    & skf21("4","3","3","1","2","1","4","1") = "3"
    & skf21("4","3","3","1","2","1","5","1") = "4"
    & skf21("4","3","3","1","2","1","6","1") = "5"
    & skf21("4","3","3","1","2","1","7","1") = "6"
    & skf21("4","3","3","1","2","2","1","1") = "3"
    & skf21("4","3","3","1","2","2","2","1") = "3"
    & skf21("4","3","3","1","2","2","3","1") = "3"
    & skf21("4","3","3","1","2","2","4","1") = "3"
    & skf21("4","3","3","1","2","2","5","1") = "4"
    & skf21("4","3","3","1","2","2","6","1") = "5"
    & skf21("4","3","3","1","2","2","7","1") = "6"
    & skf21("4","3","3","1","2","3","1","1") = "3"
    & skf21("4","3","3","1","2","3","2","1") = "3"
    & skf21("4","3","3","1","2","3","3","1") = "3"
    & skf21("4","3","3","1","2","3","4","1") = "3"
    & skf21("4","3","3","1","2","3","5","1") = "4"
    & skf21("4","3","3","1","2","3","6","1") = "5"
    & skf21("4","3","3","1","2","3","7","1") = "6"
    & skf21("4","3","3","1","2","4","1","1") = "3"
    & skf21("4","3","3","1","2","4","2","1") = "3"
    & skf21("4","3","3","1","2","4","3","1") = "3"
    & skf21("4","3","3","1","2","4","4","1") = "3"
    & skf21("4","3","3","1","2","4","5","1") = "4"
    & skf21("4","3","3","1","2","4","6","1") = "5"
    & skf21("4","3","3","1","2","4","7","1") = "6"
    & skf21("4","3","3","1","2","5","1","1") = "4"
    & skf21("4","3","3","1","2","5","2","1") = "4"
    & skf21("4","3","3","1","2","5","3","1") = "4"
    & skf21("4","3","3","1","2","5","4","1") = "4"
    & skf21("4","3","3","1","2","5","5","1") = "4"
    & skf21("4","3","3","1","2","5","6","1") = "5"
    & skf21("4","3","3","1","2","5","7","1") = "6"
    & skf21("4","3","3","1","2","6","1","1") = "5"
    & skf21("4","3","3","1","2","6","2","1") = "5"
    & skf21("4","3","3","1","2","6","3","1") = "5"
    & skf21("4","3","3","1","2","6","4","1") = "5"
    & skf21("4","3","3","1","2","6","5","1") = "5"
    & skf21("4","3","3","1","2","6","6","1") = "5"
    & skf21("4","3","3","1","2","6","7","1") = "6"
    & skf21("4","3","3","1","2","7","1","1") = "6"
    & skf21("4","3","3","1","2","7","2","1") = "6"
    & skf21("4","3","3","1","2","7","3","1") = "6"
    & skf21("4","3","3","1","2","7","4","1") = "6"
    & skf21("4","3","3","1","2","7","5","1") = "6"
    & skf21("4","3","3","1","2","7","6","1") = "6"
    & skf21("4","3","3","1","2","7","7","1") = "6"
    & skf21("4","3","3","1","3","1","1","1") = "3"
    & skf21("4","3","3","1","3","1","2","1") = "3"
    & skf21("4","3","3","1","3","1","3","1") = "3"
    & skf21("4","3","3","1","3","1","4","1") = "3"
    & skf21("4","3","3","1","3","1","5","1") = "4"
    & skf21("4","3","3","1","3","1","6","1") = "5"
    & skf21("4","3","3","1","3","1","7","1") = "6"
    & skf21("4","3","3","1","3","2","1","1") = "3"
    & skf21("4","3","3","1","3","2","2","1") = "3"
    & skf21("4","3","3","1","3","2","3","1") = "3"
    & skf21("4","3","3","1","3","2","4","1") = "3"
    & skf21("4","3","3","1","3","2","5","1") = "4"
    & skf21("4","3","3","1","3","2","6","1") = "5"
    & skf21("4","3","3","1","3","2","7","1") = "6"
    & skf21("4","3","3","1","3","3","1","1") = "3"
    & skf21("4","3","3","1","3","3","2","1") = "3"
    & skf21("4","3","3","1","3","3","3","1") = "3"
    & skf21("4","3","3","1","3","3","4","1") = "3"
    & skf21("4","3","3","1","3","3","5","1") = "4"
    & skf21("4","3","3","1","3","3","6","1") = "5"
    & skf21("4","3","3","1","3","3","7","1") = "6"
    & skf21("4","3","3","1","3","4","1","1") = "3"
    & skf21("4","3","3","1","3","4","2","1") = "3"
    & skf21("4","3","3","1","3","4","3","1") = "3"
    & skf21("4","3","3","1","3","4","4","1") = "3"
    & skf21("4","3","3","1","3","4","5","1") = "4"
    & skf21("4","3","3","1","3","4","6","1") = "5"
    & skf21("4","3","3","1","3","4","7","1") = "6"
    & skf21("4","3","3","1","3","5","1","1") = "4"
    & skf21("4","3","3","1","3","5","2","1") = "4"
    & skf21("4","3","3","1","3","5","3","1") = "4"
    & skf21("4","3","3","1","3","5","4","1") = "4"
    & skf21("4","3","3","1","3","5","5","1") = "4"
    & skf21("4","3","3","1","3","5","6","1") = "5"
    & skf21("4","3","3","1","3","5","7","1") = "6"
    & skf21("4","3","3","1","3","6","1","1") = "5"
    & skf21("4","3","3","1","3","6","2","1") = "5"
    & skf21("4","3","3","1","3","6","3","1") = "5"
    & skf21("4","3","3","1","3","6","4","1") = "5"
    & skf21("4","3","3","1","3","6","5","1") = "5"
    & skf21("4","3","3","1","3","6","6","1") = "5"
    & skf21("4","3","3","1","3","6","7","1") = "6"
    & skf21("4","3","3","1","3","7","1","1") = "6"
    & skf21("4","3","3","1","3","7","2","1") = "6"
    & skf21("4","3","3","1","3","7","3","1") = "6"
    & skf21("4","3","3","1","3","7","4","1") = "6"
    & skf21("4","3","3","1","3","7","5","1") = "6"
    & skf21("4","3","3","1","3","7","6","1") = "6"
    & skf21("4","3","3","1","3","7","7","1") = "6"
    & skf21("4","3","3","1","4","1","1","1") = "3"
    & skf21("4","3","3","1","4","1","2","1") = "3"
    & skf21("4","3","3","1","4","1","3","1") = "3"
    & skf21("4","3","3","1","4","1","4","1") = "3"
    & skf21("4","3","3","1","4","1","5","1") = "4"
    & skf21("4","3","3","1","4","1","6","1") = "5"
    & skf21("4","3","3","1","4","1","7","1") = "6"
    & skf21("4","3","3","1","4","2","1","1") = "3"
    & skf21("4","3","3","1","4","2","2","1") = "3"
    & skf21("4","3","3","1","4","2","3","1") = "3"
    & skf21("4","3","3","1","4","2","4","1") = "3"
    & skf21("4","3","3","1","4","2","5","1") = "4"
    & skf21("4","3","3","1","4","2","6","1") = "5"
    & skf21("4","3","3","1","4","2","7","1") = "6"
    & skf21("4","3","3","1","4","3","1","1") = "3"
    & skf21("4","3","3","1","4","3","2","1") = "3"
    & skf21("4","3","3","1","4","3","3","1") = "3"
    & skf21("4","3","3","1","4","3","4","1") = "3"
    & skf21("4","3","3","1","4","3","5","1") = "4"
    & skf21("4","3","3","1","4","3","6","1") = "5"
    & skf21("4","3","3","1","4","3","7","1") = "6"
    & skf21("4","3","3","1","4","4","1","1") = "3"
    & skf21("4","3","3","1","4","4","2","1") = "3"
    & skf21("4","3","3","1","4","4","3","1") = "3"
    & skf21("4","3","3","1","4","4","4","1") = "3"
    & skf21("4","3","3","1","4","4","5","1") = "4"
    & skf21("4","3","3","1","4","4","6","1") = "5"
    & skf21("4","3","3","1","4","4","7","1") = "6"
    & skf21("4","3","3","1","4","5","1","1") = "4"
    & skf21("4","3","3","1","4","5","2","1") = "4"
    & skf21("4","3","3","1","4","5","3","1") = "4"
    & skf21("4","3","3","1","4","5","4","1") = "4"
    & skf21("4","3","3","1","4","5","5","1") = "4"
    & skf21("4","3","3","1","4","5","6","1") = "5"
    & skf21("4","3","3","1","4","5","7","1") = "6"
    & skf21("4","3","3","1","4","6","1","1") = "5"
    & skf21("4","3","3","1","4","6","2","1") = "5"
    & skf21("4","3","3","1","4","6","3","1") = "5"
    & skf21("4","3","3","1","4","6","4","1") = "5"
    & skf21("4","3","3","1","4","6","5","1") = "5"
    & skf21("4","3","3","1","4","6","6","1") = "5"
    & skf21("4","3","3","1","4","6","7","1") = "6"
    & skf21("4","3","3","1","4","7","1","1") = "6"
    & skf21("4","3","3","1","4","7","2","1") = "6"
    & skf21("4","3","3","1","4","7","3","1") = "6"
    & skf21("4","3","3","1","4","7","4","1") = "6"
    & skf21("4","3","3","1","4","7","5","1") = "6"
    & skf21("4","3","3","1","4","7","6","1") = "6"
    & skf21("4","3","3","1","4","7","7","1") = "6"
    & skf21("4","3","3","1","5","1","1","1") = "4"
    & skf21("4","3","3","1","5","1","2","1") = "4"
    & skf21("4","3","3","1","5","1","3","1") = "4"
    & skf21("4","3","3","1","5","1","4","1") = "4"
    & skf21("4","3","3","1","5","1","5","1") = "4"
    & skf21("4","3","3","1","5","1","6","1") = "5"
    & skf21("4","3","3","1","5","1","7","1") = "6"
    & skf21("4","3","3","1","5","2","1","1") = "4"
    & skf21("4","3","3","1","5","2","2","1") = "4"
    & skf21("4","3","3","1","5","2","3","1") = "4"
    & skf21("4","3","3","1","5","2","4","1") = "4"
    & skf21("4","3","3","1","5","2","5","1") = "4"
    & skf21("4","3","3","1","5","2","6","1") = "5"
    & skf21("4","3","3","1","5","2","7","1") = "6"
    & skf21("4","3","3","1","5","3","1","1") = "4"
    & skf21("4","3","3","1","5","3","2","1") = "4"
    & skf21("4","3","3","1","5","3","3","1") = "4"
    & skf21("4","3","3","1","5","3","4","1") = "4"
    & skf21("4","3","3","1","5","3","5","1") = "4"
    & skf21("4","3","3","1","5","3","6","1") = "5"
    & skf21("4","3","3","1","5","3","7","1") = "6"
    & skf21("4","3","3","1","5","4","1","1") = "4"
    & skf21("4","3","3","1","5","4","2","1") = "4"
    & skf21("4","3","3","1","5","4","3","1") = "4"
    & skf21("4","3","3","1","5","4","4","1") = "4"
    & skf21("4","3","3","1","5","4","5","1") = "4"
    & skf21("4","3","3","1","5","4","6","1") = "5"
    & skf21("4","3","3","1","5","4","7","1") = "6"
    & skf21("4","3","3","1","5","5","1","1") = "4"
    & skf21("4","3","3","1","5","5","2","1") = "4"
    & skf21("4","3","3","1","5","5","3","1") = "4"
    & skf21("4","3","3","1","5","5","4","1") = "4"
    & skf21("4","3","3","1","5","5","5","1") = "4"
    & skf21("4","3","3","1","5","5","6","1") = "5"
    & skf21("4","3","3","1","5","5","7","1") = "6"
    & skf21("4","3","3","1","5","6","1","1") = "5"
    & skf21("4","3","3","1","5","6","2","1") = "5"
    & skf21("4","3","3","1","5","6","3","1") = "5"
    & skf21("4","3","3","1","5","6","4","1") = "5"
    & skf21("4","3","3","1","5","6","5","1") = "5"
    & skf21("4","3","3","1","5","6","6","1") = "5"
    & skf21("4","3","3","1","5","6","7","1") = "6"
    & skf21("4","3","3","1","5","7","1","1") = "6"
    & skf21("4","3","3","1","5","7","2","1") = "6"
    & skf21("4","3","3","1","5","7","3","1") = "6"
    & skf21("4","3","3","1","5","7","4","1") = "6"
    & skf21("4","3","3","1","5","7","5","1") = "6"
    & skf21("4","3","3","1","5","7","6","1") = "6"
    & skf21("4","3","3","1","5","7","7","1") = "6"
    & skf21("4","3","3","1","6","1","1","1") = "5"
    & skf21("4","3","3","1","6","1","2","1") = "5"
    & skf21("4","3","3","1","6","1","3","1") = "5"
    & skf21("4","3","3","1","6","1","4","1") = "5"
    & skf21("4","3","3","1","6","1","5","1") = "5"
    & skf21("4","3","3","1","6","1","6","1") = "5"
    & skf21("4","3","3","1","6","1","7","1") = "6"
    & skf21("4","3","3","1","6","2","1","1") = "5"
    & skf21("4","3","3","1","6","2","2","1") = "5"
    & skf21("4","3","3","1","6","2","3","1") = "5"
    & skf21("4","3","3","1","6","2","4","1") = "5"
    & skf21("4","3","3","1","6","2","5","1") = "5"
    & skf21("4","3","3","1","6","2","6","1") = "5"
    & skf21("4","3","3","1","6","2","7","1") = "6"
    & skf21("4","3","3","1","6","3","1","1") = "5"
    & skf21("4","3","3","1","6","3","2","1") = "5"
    & skf21("4","3","3","1","6","3","3","1") = "5"
    & skf21("4","3","3","1","6","3","4","1") = "5"
    & skf21("4","3","3","1","6","3","5","1") = "5"
    & skf21("4","3","3","1","6","3","6","1") = "5"
    & skf21("4","3","3","1","6","3","7","1") = "6"
    & skf21("4","3","3","1","6","4","1","1") = "5"
    & skf21("4","3","3","1","6","4","2","1") = "5"
    & skf21("4","3","3","1","6","4","3","1") = "5"
    & skf21("4","3","3","1","6","4","4","1") = "5"
    & skf21("4","3","3","1","6","4","5","1") = "5"
    & skf21("4","3","3","1","6","4","6","1") = "5"
    & skf21("4","3","3","1","6","4","7","1") = "6"
    & skf21("4","3","3","1","6","5","1","1") = "5"
    & skf21("4","3","3","1","6","5","2","1") = "5"
    & skf21("4","3","3","1","6","5","3","1") = "5"
    & skf21("4","3","3","1","6","5","4","1") = "5"
    & skf21("4","3","3","1","6","5","5","1") = "5"
    & skf21("4","3","3","1","6","5","6","1") = "5"
    & skf21("4","3","3","1","6","5","7","1") = "6"
    & skf21("4","3","3","1","6","6","1","1") = "5"
    & skf21("4","3","3","1","6","6","2","1") = "5"
    & skf21("4","3","3","1","6","6","3","1") = "5"
    & skf21("4","3","3","1","6","6","4","1") = "5"
    & skf21("4","3","3","1","6","6","5","1") = "5"
    & skf21("4","3","3","1","6","6","6","1") = "5"
    & skf21("4","3","3","1","6","6","7","1") = "6"
    & skf21("4","3","3","1","6","7","1","1") = "6"
    & skf21("4","3","3","1","6","7","2","1") = "6"
    & skf21("4","3","3","1","6","7","3","1") = "6"
    & skf21("4","3","3","1","6","7","4","1") = "6"
    & skf21("4","3","3","1","6","7","5","1") = "6"
    & skf21("4","3","3","1","6","7","6","1") = "6"
    & skf21("4","3","3","1","6","7","7","1") = "6"
    & skf21("4","3","3","1","7","1","1","1") = "6"
    & skf21("4","3","3","1","7","1","2","1") = "6"
    & skf21("4","3","3","1","7","1","3","1") = "6"
    & skf21("4","3","3","1","7","1","4","1") = "6"
    & skf21("4","3","3","1","7","1","5","1") = "6"
    & skf21("4","3","3","1","7","1","6","1") = "6"
    & skf21("4","3","3","1","7","1","7","1") = "6"
    & skf21("4","3","3","1","7","2","1","1") = "6"
    & skf21("4","3","3","1","7","2","2","1") = "6"
    & skf21("4","3","3","1","7","2","3","1") = "6"
    & skf21("4","3","3","1","7","2","4","1") = "6"
    & skf21("4","3","3","1","7","2","5","1") = "6"
    & skf21("4","3","3","1","7","2","6","1") = "6"
    & skf21("4","3","3","1","7","2","7","1") = "6"
    & skf21("4","3","3","1","7","3","1","1") = "6"
    & skf21("4","3","3","1","7","3","2","1") = "6"
    & skf21("4","3","3","1","7","3","3","1") = "6"
    & skf21("4","3","3","1","7","3","4","1") = "6"
    & skf21("4","3","3","1","7","3","5","1") = "6"
    & skf21("4","3","3","1","7","3","6","1") = "6"
    & skf21("4","3","3","1","7","3","7","1") = "6"
    & skf21("4","3","3","1","7","4","1","1") = "6"
    & skf21("4","3","3","1","7","4","2","1") = "6"
    & skf21("4","3","3","1","7","4","3","1") = "6"
    & skf21("4","3","3","1","7","4","4","1") = "6"
    & skf21("4","3","3","1","7","4","5","1") = "6"
    & skf21("4","3","3","1","7","4","6","1") = "6"
    & skf21("4","3","3","1","7","4","7","1") = "6"
    & skf21("4","3","3","1","7","5","1","1") = "6"
    & skf21("4","3","3","1","7","5","2","1") = "6"
    & skf21("4","3","3","1","7","5","3","1") = "6"
    & skf21("4","3","3","1","7","5","4","1") = "6"
    & skf21("4","3","3","1","7","5","5","1") = "6"
    & skf21("4","3","3","1","7","5","6","1") = "6"
    & skf21("4","3","3","1","7","5","7","1") = "6"
    & skf21("4","3","3","1","7","6","1","1") = "6"
    & skf21("4","3","3","1","7","6","2","1") = "6"
    & skf21("4","3","3","1","7","6","3","1") = "6"
    & skf21("4","3","3","1","7","6","4","1") = "6"
    & skf21("4","3","3","1","7","6","5","1") = "6"
    & skf21("4","3","3","1","7","6","6","1") = "6"
    & skf21("4","3","3","1","7","6","7","1") = "6"
    & skf21("4","3","3","1","7","7","1","1") = "6"
    & skf21("4","3","3","1","7","7","2","1") = "6"
    & skf21("4","3","3","1","7","7","3","1") = "6"
    & skf21("4","3","3","1","7","7","4","1") = "6"
    & skf21("4","3","3","1","7","7","5","1") = "6"
    & skf21("4","3","3","1","7","7","6","1") = "6"
    & skf21("4","3","3","1","7","7","7","1") = "6"
    & skf21("4","3","3","2","1","1","1","1") = "3"
    & skf21("4","3","3","2","1","1","2","1") = "3"
    & skf21("4","3","3","2","1","1","3","1") = "3"
    & skf21("4","3","3","2","1","1","4","1") = "3"
    & skf21("4","3","3","2","1","1","5","1") = "4"
    & skf21("4","3","3","2","1","1","6","1") = "5"
    & skf21("4","3","3","2","1","1","7","1") = "6"
    & skf21("4","3","3","2","1","2","1","1") = "3"
    & skf21("4","3","3","2","1","2","2","1") = "3"
    & skf21("4","3","3","2","1","2","3","1") = "3"
    & skf21("4","3","3","2","1","2","4","1") = "3"
    & skf21("4","3","3","2","1","2","5","1") = "4"
    & skf21("4","3","3","2","1","2","6","1") = "5"
    & skf21("4","3","3","2","1","2","7","1") = "6"
    & skf21("4","3","3","2","1","3","1","1") = "3"
    & skf21("4","3","3","2","1","3","2","1") = "3"
    & skf21("4","3","3","2","1","3","3","1") = "3"
    & skf21("4","3","3","2","1","3","4","1") = "3"
    & skf21("4","3","3","2","1","3","5","1") = "4"
    & skf21("4","3","3","2","1","3","6","1") = "5"
    & skf21("4","3","3","2","1","3","7","1") = "6"
    & skf21("4","3","3","2","1","4","1","1") = "3"
    & skf21("4","3","3","2","1","4","2","1") = "3"
    & skf21("4","3","3","2","1","4","3","1") = "3"
    & skf21("4","3","3","2","1","4","4","1") = "3"
    & skf21("4","3","3","2","1","4","5","1") = "4"
    & skf21("4","3","3","2","1","4","6","1") = "5"
    & skf21("4","3","3","2","1","4","7","1") = "6"
    & skf21("4","3","3","2","1","5","1","1") = "4"
    & skf21("4","3","3","2","1","5","2","1") = "4"
    & skf21("4","3","3","2","1","5","3","1") = "4"
    & skf21("4","3","3","2","1","5","4","1") = "4"
    & skf21("4","3","3","2","1","5","5","1") = "4"
    & skf21("4","3","3","2","1","5","6","1") = "5"
    & skf21("4","3","3","2","1","5","7","1") = "6"
    & skf21("4","3","3","2","1","6","1","1") = "5"
    & skf21("4","3","3","2","1","6","2","1") = "5"
    & skf21("4","3","3","2","1","6","3","1") = "5"
    & skf21("4","3","3","2","1","6","4","1") = "5"
    & skf21("4","3","3","2","1","6","5","1") = "5"
    & skf21("4","3","3","2","1","6","6","1") = "5"
    & skf21("4","3","3","2","1","6","7","1") = "6"
    & skf21("4","3","3","2","1","7","1","1") = "6"
    & skf21("4","3","3","2","1","7","2","1") = "6"
    & skf21("4","3","3","2","1","7","3","1") = "6"
    & skf21("4","3","3","2","1","7","4","1") = "6"
    & skf21("4","3","3","2","1","7","5","1") = "6"
    & skf21("4","3","3","2","1","7","6","1") = "6"
    & skf21("4","3","3","2","1","7","7","1") = "6"
    & skf21("4","3","3","2","2","1","1","1") = "3"
    & skf21("4","3","3","2","2","1","2","1") = "3"
    & skf21("4","3","3","2","2","1","3","1") = "3"
    & skf21("4","3","3","2","2","1","4","1") = "3"
    & skf21("4","3","3","2","2","1","5","1") = "4"
    & skf21("4","3","3","2","2","1","6","1") = "5"
    & skf21("4","3","3","2","2","1","7","1") = "6"
    & skf21("4","3","3","2","2","2","1","1") = "3"
    & skf21("4","3","3","2","2","2","2","1") = "3"
    & skf21("4","3","3","2","2","2","3","1") = "3"
    & skf21("4","3","3","2","2","2","4","1") = "3"
    & skf21("4","3","3","2","2","2","5","1") = "4"
    & skf21("4","3","3","2","2","2","6","1") = "5"
    & skf21("4","3","3","2","2","2","7","1") = "6"
    & skf21("4","3","3","2","2","3","1","1") = "3"
    & skf21("4","3","3","2","2","3","2","1") = "3"
    & skf21("4","3","3","2","2","3","3","1") = "3"
    & skf21("4","3","3","2","2","3","4","1") = "3"
    & skf21("4","3","3","2","2","3","5","1") = "4"
    & skf21("4","3","3","2","2","3","6","1") = "5"
    & skf21("4","3","3","2","2","3","7","1") = "6"
    & skf21("4","3","3","2","2","4","1","1") = "3"
    & skf21("4","3","3","2","2","4","2","1") = "3"
    & skf21("4","3","3","2","2","4","3","1") = "3"
    & skf21("4","3","3","2","2","4","4","1") = "3"
    & skf21("4","3","3","2","2","4","5","1") = "4"
    & skf21("4","3","3","2","2","4","6","1") = "5"
    & skf21("4","3","3","2","2","4","7","1") = "6"
    & skf21("4","3","3","2","2","5","1","1") = "4"
    & skf21("4","3","3","2","2","5","2","1") = "4"
    & skf21("4","3","3","2","2","5","3","1") = "4"
    & skf21("4","3","3","2","2","5","4","1") = "4"
    & skf21("4","3","3","2","2","5","5","1") = "4"
    & skf21("4","3","3","2","2","5","6","1") = "5"
    & skf21("4","3","3","2","2","5","7","1") = "6"
    & skf21("4","3","3","2","2","6","1","1") = "5"
    & skf21("4","3","3","2","2","6","2","1") = "5"
    & skf21("4","3","3","2","2","6","3","1") = "5"
    & skf21("4","3","3","2","2","6","4","1") = "5"
    & skf21("4","3","3","2","2","6","5","1") = "5"
    & skf21("4","3","3","2","2","6","6","1") = "5"
    & skf21("4","3","3","2","2","6","7","1") = "6"
    & skf21("4","3","3","2","2","7","1","1") = "6"
    & skf21("4","3","3","2","2","7","2","1") = "6"
    & skf21("4","3","3","2","2","7","3","1") = "6"
    & skf21("4","3","3","2","2","7","4","1") = "6"
    & skf21("4","3","3","2","2","7","5","1") = "6"
    & skf21("4","3","3","2","2","7","6","1") = "6"
    & skf21("4","3","3","2","2","7","7","1") = "6"
    & skf21("4","3","3","2","3","1","1","1") = "3"
    & skf21("4","3","3","2","3","1","2","1") = "3"
    & skf21("4","3","3","2","3","1","3","1") = "3"
    & skf21("4","3","3","2","3","1","4","1") = "3"
    & skf21("4","3","3","2","3","1","5","1") = "4"
    & skf21("4","3","3","2","3","1","6","1") = "5"
    & skf21("4","3","3","2","3","1","7","1") = "6"
    & skf21("4","3","3","2","3","2","1","1") = "3"
    & skf21("4","3","3","2","3","2","2","1") = "3"
    & skf21("4","3","3","2","3","2","3","1") = "3"
    & skf21("4","3","3","2","3","2","4","1") = "3"
    & skf21("4","3","3","2","3","2","5","1") = "4"
    & skf21("4","3","3","2","3","2","6","1") = "5"
    & skf21("4","3","3","2","3","2","7","1") = "6"
    & skf21("4","3","3","2","3","3","1","1") = "3"
    & skf21("4","3","3","2","3","3","2","1") = "3"
    & skf21("4","3","3","2","3","3","3","1") = "3"
    & skf21("4","3","3","2","3","3","4","1") = "3"
    & skf21("4","3","3","2","3","3","5","1") = "4"
    & skf21("4","3","3","2","3","3","6","1") = "5"
    & skf21("4","3","3","2","3","3","7","1") = "6"
    & skf21("4","3","3","2","3","4","1","1") = "3"
    & skf21("4","3","3","2","3","4","2","1") = "3"
    & skf21("4","3","3","2","3","4","3","1") = "3"
    & skf21("4","3","3","2","3","4","4","1") = "3"
    & skf21("4","3","3","2","3","4","5","1") = "4"
    & skf21("4","3","3","2","3","4","6","1") = "5"
    & skf21("4","3","3","2","3","4","7","1") = "6"
    & skf21("4","3","3","2","3","5","1","1") = "4"
    & skf21("4","3","3","2","3","5","2","1") = "4"
    & skf21("4","3","3","2","3","5","3","1") = "4"
    & skf21("4","3","3","2","3","5","4","1") = "4"
    & skf21("4","3","3","2","3","5","5","1") = "4"
    & skf21("4","3","3","2","3","5","6","1") = "5"
    & skf21("4","3","3","2","3","5","7","1") = "6"
    & skf21("4","3","3","2","3","6","1","1") = "5"
    & skf21("4","3","3","2","3","6","2","1") = "5"
    & skf21("4","3","3","2","3","6","3","1") = "5"
    & skf21("4","3","3","2","3","6","4","1") = "5"
    & skf21("4","3","3","2","3","6","5","1") = "5"
    & skf21("4","3","3","2","3","6","6","1") = "5"
    & skf21("4","3","3","2","3","6","7","1") = "6"
    & skf21("4","3","3","2","3","7","1","1") = "6"
    & skf21("4","3","3","2","3","7","2","1") = "6"
    & skf21("4","3","3","2","3","7","3","1") = "6"
    & skf21("4","3","3","2","3","7","4","1") = "6"
    & skf21("4","3","3","2","3","7","5","1") = "6"
    & skf21("4","3","3","2","3","7","6","1") = "6"
    & skf21("4","3","3","2","3","7","7","1") = "6"
    & skf21("4","3","3","2","4","1","1","1") = "3"
    & skf21("4","3","3","2","4","1","2","1") = "3"
    & skf21("4","3","3","2","4","1","3","1") = "3"
    & skf21("4","3","3","2","4","1","4","1") = "3"
    & skf21("4","3","3","2","4","1","5","1") = "4"
    & skf21("4","3","3","2","4","1","6","1") = "5"
    & skf21("4","3","3","2","4","1","7","1") = "6"
    & skf21("4","3","3","2","4","2","1","1") = "3"
    & skf21("4","3","3","2","4","2","2","1") = "3"
    & skf21("4","3","3","2","4","2","3","1") = "3"
    & skf21("4","3","3","2","4","2","4","1") = "3"
    & skf21("4","3","3","2","4","2","5","1") = "4"
    & skf21("4","3","3","2","4","2","6","1") = "5"
    & skf21("4","3","3","2","4","2","7","1") = "6"
    & skf21("4","3","3","2","4","3","1","1") = "3"
    & skf21("4","3","3","2","4","3","2","1") = "3"
    & skf21("4","3","3","2","4","3","3","1") = "3"
    & skf21("4","3","3","2","4","3","4","1") = "3"
    & skf21("4","3","3","2","4","3","5","1") = "4"
    & skf21("4","3","3","2","4","3","6","1") = "5"
    & skf21("4","3","3","2","4","3","7","1") = "6"
    & skf21("4","3","3","2","4","4","1","1") = "3"
    & skf21("4","3","3","2","4","4","2","1") = "3"
    & skf21("4","3","3","2","4","4","3","1") = "3"
    & skf21("4","3","3","2","4","4","4","1") = "3"
    & skf21("4","3","3","2","4","4","5","1") = "4"
    & skf21("4","3","3","2","4","4","6","1") = "5"
    & skf21("4","3","3","2","4","4","7","1") = "6"
    & skf21("4","3","3","2","4","5","1","1") = "4"
    & skf21("4","3","3","2","4","5","2","1") = "4"
    & skf21("4","3","3","2","4","5","3","1") = "4"
    & skf21("4","3","3","2","4","5","4","1") = "4"
    & skf21("4","3","3","2","4","5","5","1") = "4"
    & skf21("4","3","3","2","4","5","6","1") = "5"
    & skf21("4","3","3","2","4","5","7","1") = "6"
    & skf21("4","3","3","2","4","6","1","1") = "5"
    & skf21("4","3","3","2","4","6","2","1") = "5"
    & skf21("4","3","3","2","4","6","3","1") = "5"
    & skf21("4","3","3","2","4","6","4","1") = "5"
    & skf21("4","3","3","2","4","6","5","1") = "5"
    & skf21("4","3","3","2","4","6","6","1") = "5"
    & skf21("4","3","3","2","4","6","7","1") = "6"
    & skf21("4","3","3","2","4","7","1","1") = "6"
    & skf21("4","3","3","2","4","7","2","1") = "6"
    & skf21("4","3","3","2","4","7","3","1") = "6"
    & skf21("4","3","3","2","4","7","4","1") = "6"
    & skf21("4","3","3","2","4","7","5","1") = "6"
    & skf21("4","3","3","2","4","7","6","1") = "6"
    & skf21("4","3","3","2","4","7","7","1") = "6"
    & skf21("4","3","3","2","5","1","1","1") = "4"
    & skf21("4","3","3","2","5","1","2","1") = "4"
    & skf21("4","3","3","2","5","1","3","1") = "4"
    & skf21("4","3","3","2","5","1","4","1") = "4"
    & skf21("4","3","3","2","5","1","5","1") = "4"
    & skf21("4","3","3","2","5","1","6","1") = "5"
    & skf21("4","3","3","2","5","1","7","1") = "6"
    & skf21("4","3","3","2","5","2","1","1") = "4"
    & skf21("4","3","3","2","5","2","2","1") = "4"
    & skf21("4","3","3","2","5","2","3","1") = "4"
    & skf21("4","3","3","2","5","2","4","1") = "4"
    & skf21("4","3","3","2","5","2","5","1") = "4"
    & skf21("4","3","3","2","5","2","6","1") = "5"
    & skf21("4","3","3","2","5","2","7","1") = "6"
    & skf21("4","3","3","2","5","3","1","1") = "4"
    & skf21("4","3","3","2","5","3","2","1") = "4"
    & skf21("4","3","3","2","5","3","3","1") = "4"
    & skf21("4","3","3","2","5","3","4","1") = "4"
    & skf21("4","3","3","2","5","3","5","1") = "4"
    & skf21("4","3","3","2","5","3","6","1") = "5"
    & skf21("4","3","3","2","5","3","7","1") = "6"
    & skf21("4","3","3","2","5","4","1","1") = "4"
    & skf21("4","3","3","2","5","4","2","1") = "4"
    & skf21("4","3","3","2","5","4","3","1") = "4"
    & skf21("4","3","3","2","5","4","4","1") = "4"
    & skf21("4","3","3","2","5","4","5","1") = "4"
    & skf21("4","3","3","2","5","4","6","1") = "5"
    & skf21("4","3","3","2","5","4","7","1") = "6"
    & skf21("4","3","3","2","5","5","1","1") = "4"
    & skf21("4","3","3","2","5","5","2","1") = "4"
    & skf21("4","3","3","2","5","5","3","1") = "4"
    & skf21("4","3","3","2","5","5","4","1") = "4"
    & skf21("4","3","3","2","5","5","5","1") = "4"
    & skf21("4","3","3","2","5","5","6","1") = "5"
    & skf21("4","3","3","2","5","5","7","1") = "6"
    & skf21("4","3","3","2","5","6","1","1") = "5"
    & skf21("4","3","3","2","5","6","2","1") = "5"
    & skf21("4","3","3","2","5","6","3","1") = "5"
    & skf21("4","3","3","2","5","6","4","1") = "5"
    & skf21("4","3","3","2","5","6","5","1") = "5"
    & skf21("4","3","3","2","5","6","6","1") = "5"
    & skf21("4","3","3","2","5","6","7","1") = "6"
    & skf21("4","3","3","2","5","7","1","1") = "6"
    & skf21("4","3","3","2","5","7","2","1") = "6"
    & skf21("4","3","3","2","5","7","3","1") = "6"
    & skf21("4","3","3","2","5","7","4","1") = "6"
    & skf21("4","3","3","2","5","7","5","1") = "6"
    & skf21("4","3","3","2","5","7","6","1") = "6"
    & skf21("4","3","3","2","5","7","7","1") = "6"
    & skf21("4","3","3","2","6","1","1","1") = "5"
    & skf21("4","3","3","2","6","1","2","1") = "5"
    & skf21("4","3","3","2","6","1","3","1") = "5"
    & skf21("4","3","3","2","6","1","4","1") = "5"
    & skf21("4","3","3","2","6","1","5","1") = "5"
    & skf21("4","3","3","2","6","1","6","1") = "5"
    & skf21("4","3","3","2","6","1","7","1") = "6"
    & skf21("4","3","3","2","6","2","1","1") = "5"
    & skf21("4","3","3","2","6","2","2","1") = "5"
    & skf21("4","3","3","2","6","2","3","1") = "5"
    & skf21("4","3","3","2","6","2","4","1") = "5"
    & skf21("4","3","3","2","6","2","5","1") = "5"
    & skf21("4","3","3","2","6","2","6","1") = "5"
    & skf21("4","3","3","2","6","2","7","1") = "6"
    & skf21("4","3","3","2","6","3","1","1") = "5"
    & skf21("4","3","3","2","6","3","2","1") = "5"
    & skf21("4","3","3","2","6","3","3","1") = "5"
    & skf21("4","3","3","2","6","3","4","1") = "5"
    & skf21("4","3","3","2","6","3","5","1") = "5"
    & skf21("4","3","3","2","6","3","6","1") = "5"
    & skf21("4","3","3","2","6","3","7","1") = "6"
    & skf21("4","3","3","2","6","4","1","1") = "5"
    & skf21("4","3","3","2","6","4","2","1") = "5"
    & skf21("4","3","3","2","6","4","3","1") = "5"
    & skf21("4","3","3","2","6","4","4","1") = "5"
    & skf21("4","3","3","2","6","4","5","1") = "5"
    & skf21("4","3","3","2","6","4","6","1") = "5"
    & skf21("4","3","3","2","6","4","7","1") = "6"
    & skf21("4","3","3","2","6","5","1","1") = "5"
    & skf21("4","3","3","2","6","5","2","1") = "5"
    & skf21("4","3","3","2","6","5","3","1") = "5"
    & skf21("4","3","3","2","6","5","4","1") = "5"
    & skf21("4","3","3","2","6","5","5","1") = "5"
    & skf21("4","3","3","2","6","5","6","1") = "5"
    & skf21("4","3","3","2","6","5","7","1") = "6"
    & skf21("4","3","3","2","6","6","1","1") = "5"
    & skf21("4","3","3","2","6","6","2","1") = "5"
    & skf21("4","3","3","2","6","6","3","1") = "5"
    & skf21("4","3","3","2","6","6","4","1") = "5"
    & skf21("4","3","3","2","6","6","5","1") = "5"
    & skf21("4","3","3","2","6","6","6","1") = "5"
    & skf21("4","3","3","2","6","6","7","1") = "6"
    & skf21("4","3","3","2","6","7","1","1") = "6"
    & skf21("4","3","3","2","6","7","2","1") = "6"
    & skf21("4","3","3","2","6","7","3","1") = "6"
    & skf21("4","3","3","2","6","7","4","1") = "6"
    & skf21("4","3","3","2","6","7","5","1") = "6"
    & skf21("4","3","3","2","6","7","6","1") = "6"
    & skf21("4","3","3","2","6","7","7","1") = "6"
    & skf21("4","3","3","2","7","1","1","1") = "6"
    & skf21("4","3","3","2","7","1","2","1") = "6"
    & skf21("4","3","3","2","7","1","3","1") = "6"
    & skf21("4","3","3","2","7","1","4","1") = "6"
    & skf21("4","3","3","2","7","1","5","1") = "6"
    & skf21("4","3","3","2","7","1","6","1") = "6"
    & skf21("4","3","3","2","7","1","7","1") = "6"
    & skf21("4","3","3","2","7","2","1","1") = "6"
    & skf21("4","3","3","2","7","2","2","1") = "6"
    & skf21("4","3","3","2","7","2","3","1") = "6"
    & skf21("4","3","3","2","7","2","4","1") = "6"
    & skf21("4","3","3","2","7","2","5","1") = "6"
    & skf21("4","3","3","2","7","2","6","1") = "6"
    & skf21("4","3","3","2","7","2","7","1") = "6"
    & skf21("4","3","3","2","7","3","1","1") = "6"
    & skf21("4","3","3","2","7","3","2","1") = "6"
    & skf21("4","3","3","2","7","3","3","1") = "6"
    & skf21("4","3","3","2","7","3","4","1") = "6"
    & skf21("4","3","3","2","7","3","5","1") = "6"
    & skf21("4","3","3","2","7","3","6","1") = "6"
    & skf21("4","3","3","2","7","3","7","1") = "6"
    & skf21("4","3","3","2","7","4","1","1") = "6"
    & skf21("4","3","3","2","7","4","2","1") = "6"
    & skf21("4","3","3","2","7","4","3","1") = "6"
    & skf21("4","3","3","2","7","4","4","1") = "6"
    & skf21("4","3","3","2","7","4","5","1") = "6"
    & skf21("4","3","3","2","7","4","6","1") = "6"
    & skf21("4","3","3","2","7","4","7","1") = "6"
    & skf21("4","3","3","2","7","5","1","1") = "6"
    & skf21("4","3","3","2","7","5","2","1") = "6"
    & skf21("4","3","3","2","7","5","3","1") = "6"
    & skf21("4","3","3","2","7","5","4","1") = "6"
    & skf21("4","3","3","2","7","5","5","1") = "6"
    & skf21("4","3","3","2","7","5","6","1") = "6"
    & skf21("4","3","3","2","7","5","7","1") = "6"
    & skf21("4","3","3","2","7","6","1","1") = "6"
    & skf21("4","3","3","2","7","6","2","1") = "6"
    & skf21("4","3","3","2","7","6","3","1") = "6"
    & skf21("4","3","3","2","7","6","4","1") = "6"
    & skf21("4","3","3","2","7","6","5","1") = "6"
    & skf21("4","3","3","2","7","6","6","1") = "6"
    & skf21("4","3","3","2","7","6","7","1") = "6"
    & skf21("4","3","3","2","7","7","1","1") = "6"
    & skf21("4","3","3","2","7","7","2","1") = "6"
    & skf21("4","3","3","2","7","7","3","1") = "6"
    & skf21("4","3","3","2","7","7","4","1") = "6"
    & skf21("4","3","3","2","7","7","5","1") = "6"
    & skf21("4","3","3","2","7","7","6","1") = "6"
    & skf21("4","3","3","2","7","7","7","1") = "6"
    & skf21("4","3","3","3","1","1","1","1") = "3"
    & skf21("4","3","3","3","1","1","2","1") = "3"
    & skf21("4","3","3","3","1","1","3","1") = "3"
    & skf21("4","3","3","3","1","1","4","1") = "3"
    & skf21("4","3","3","3","1","1","5","1") = "4"
    & skf21("4","3","3","3","1","1","6","1") = "5"
    & skf21("4","3","3","3","1","1","7","1") = "6"
    & skf21("4","3","3","3","1","2","1","1") = "3"
    & skf21("4","3","3","3","1","2","2","1") = "3"
    & skf21("4","3","3","3","1","2","3","1") = "3"
    & skf21("4","3","3","3","1","2","4","1") = "3"
    & skf21("4","3","3","3","1","2","5","1") = "4"
    & skf21("4","3","3","3","1","2","6","1") = "5"
    & skf21("4","3","3","3","1","2","7","1") = "6"
    & skf21("4","3","3","3","1","3","1","1") = "3"
    & skf21("4","3","3","3","1","3","2","1") = "3"
    & skf21("4","3","3","3","1","3","3","1") = "3"
    & skf21("4","3","3","3","1","3","4","1") = "3"
    & skf21("4","3","3","3","1","3","5","1") = "4"
    & skf21("4","3","3","3","1","3","6","1") = "5"
    & skf21("4","3","3","3","1","3","7","1") = "6"
    & skf21("4","3","3","3","1","4","1","1") = "3"
    & skf21("4","3","3","3","1","4","2","1") = "3"
    & skf21("4","3","3","3","1","4","3","1") = "3"
    & skf21("4","3","3","3","1","4","4","1") = "3"
    & skf21("4","3","3","3","1","4","5","1") = "4"
    & skf21("4","3","3","3","1","4","6","1") = "5"
    & skf21("4","3","3","3","1","4","7","1") = "6"
    & skf21("4","3","3","3","1","5","1","1") = "4"
    & skf21("4","3","3","3","1","5","2","1") = "4"
    & skf21("4","3","3","3","1","5","3","1") = "4"
    & skf21("4","3","3","3","1","5","4","1") = "4"
    & skf21("4","3","3","3","1","5","5","1") = "4"
    & skf21("4","3","3","3","1","5","6","1") = "5"
    & skf21("4","3","3","3","1","5","7","1") = "6"
    & skf21("4","3","3","3","1","6","1","1") = "5"
    & skf21("4","3","3","3","1","6","2","1") = "5"
    & skf21("4","3","3","3","1","6","3","1") = "5"
    & skf21("4","3","3","3","1","6","4","1") = "5"
    & skf21("4","3","3","3","1","6","5","1") = "5"
    & skf21("4","3","3","3","1","6","6","1") = "5"
    & skf21("4","3","3","3","1","6","7","1") = "6"
    & skf21("4","3","3","3","1","7","1","1") = "6"
    & skf21("4","3","3","3","1","7","2","1") = "6"
    & skf21("4","3","3","3","1","7","3","1") = "6"
    & skf21("4","3","3","3","1","7","4","1") = "6"
    & skf21("4","3","3","3","1","7","5","1") = "6"
    & skf21("4","3","3","3","1","7","6","1") = "6"
    & skf21("4","3","3","3","1","7","7","1") = "6"
    & skf21("4","3","3","3","2","1","1","1") = "3"
    & skf21("4","3","3","3","2","1","2","1") = "3"
    & skf21("4","3","3","3","2","1","3","1") = "3"
    & skf21("4","3","3","3","2","1","4","1") = "3"
    & skf21("4","3","3","3","2","1","5","1") = "4"
    & skf21("4","3","3","3","2","1","6","1") = "5"
    & skf21("4","3","3","3","2","1","7","1") = "6"
    & skf21("4","3","3","3","2","2","1","1") = "3"
    & skf21("4","3","3","3","2","2","2","1") = "3"
    & skf21("4","3","3","3","2","2","3","1") = "3"
    & skf21("4","3","3","3","2","2","4","1") = "3"
    & skf21("4","3","3","3","2","2","5","1") = "4"
    & skf21("4","3","3","3","2","2","6","1") = "5"
    & skf21("4","3","3","3","2","2","7","1") = "6"
    & skf21("4","3","3","3","2","3","1","1") = "3"
    & skf21("4","3","3","3","2","3","2","1") = "3"
    & skf21("4","3","3","3","2","3","3","1") = "3"
    & skf21("4","3","3","3","2","3","4","1") = "3"
    & skf21("4","3","3","3","2","3","5","1") = "4"
    & skf21("4","3","3","3","2","3","6","1") = "5"
    & skf21("4","3","3","3","2","3","7","1") = "6"
    & skf21("4","3","3","3","2","4","1","1") = "3"
    & skf21("4","3","3","3","2","4","2","1") = "3"
    & skf21("4","3","3","3","2","4","3","1") = "3"
    & skf21("4","3","3","3","2","4","4","1") = "3"
    & skf21("4","3","3","3","2","4","5","1") = "4"
    & skf21("4","3","3","3","2","4","6","1") = "5"
    & skf21("4","3","3","3","2","4","7","1") = "6"
    & skf21("4","3","3","3","2","5","1","1") = "4"
    & skf21("4","3","3","3","2","5","2","1") = "4"
    & skf21("4","3","3","3","2","5","3","1") = "4"
    & skf21("4","3","3","3","2","5","4","1") = "4"
    & skf21("4","3","3","3","2","5","5","1") = "4"
    & skf21("4","3","3","3","2","5","6","1") = "5"
    & skf21("4","3","3","3","2","5","7","1") = "6"
    & skf21("4","3","3","3","2","6","1","1") = "5"
    & skf21("4","3","3","3","2","6","2","1") = "5"
    & skf21("4","3","3","3","2","6","3","1") = "5"
    & skf21("4","3","3","3","2","6","4","1") = "5"
    & skf21("4","3","3","3","2","6","5","1") = "5"
    & skf21("4","3","3","3","2","6","6","1") = "5"
    & skf21("4","3","3","3","2","6","7","1") = "6"
    & skf21("4","3","3","3","2","7","1","1") = "6"
    & skf21("4","3","3","3","2","7","2","1") = "6"
    & skf21("4","3","3","3","2","7","3","1") = "6"
    & skf21("4","3","3","3","2","7","4","1") = "6"
    & skf21("4","3","3","3","2","7","5","1") = "6"
    & skf21("4","3","3","3","2","7","6","1") = "6"
    & skf21("4","3","3","3","2","7","7","1") = "6"
    & skf21("4","3","3","3","3","1","1","1") = "3"
    & skf21("4","3","3","3","3","1","2","1") = "3"
    & skf21("4","3","3","3","3","1","3","1") = "3"
    & skf21("4","3","3","3","3","1","4","1") = "3"
    & skf21("4","3","3","3","3","1","5","1") = "4"
    & skf21("4","3","3","3","3","1","6","1") = "5"
    & skf21("4","3","3","3","3","1","7","1") = "6"
    & skf21("4","3","3","3","3","2","1","1") = "3"
    & skf21("4","3","3","3","3","2","2","1") = "3"
    & skf21("4","3","3","3","3","2","3","1") = "3"
    & skf21("4","3","3","3","3","2","4","1") = "3"
    & skf21("4","3","3","3","3","2","5","1") = "4"
    & skf21("4","3","3","3","3","2","6","1") = "5"
    & skf21("4","3","3","3","3","2","7","1") = "6"
    & skf21("4","3","3","3","3","3","1","1") = "3"
    & skf21("4","3","3","3","3","3","2","1") = "3"
    & skf21("4","3","3","3","3","3","3","1") = "3"
    & skf21("4","3","3","3","3","3","4","1") = "3"
    & skf21("4","3","3","3","3","3","5","1") = "4"
    & skf21("4","3","3","3","3","3","6","1") = "5"
    & skf21("4","3","3","3","3","3","7","1") = "6"
    & skf21("4","3","3","3","3","4","1","1") = "3"
    & skf21("4","3","3","3","3","4","2","1") = "3"
    & skf21("4","3","3","3","3","4","3","1") = "3"
    & skf21("4","3","3","3","3","4","4","1") = "3"
    & skf21("4","3","3","3","3","4","5","1") = "4"
    & skf21("4","3","3","3","3","4","6","1") = "5"
    & skf21("4","3","3","3","3","4","7","1") = "6"
    & skf21("4","3","3","3","3","5","1","1") = "4"
    & skf21("4","3","3","3","3","5","2","1") = "4"
    & skf21("4","3","3","3","3","5","3","1") = "4"
    & skf21("4","3","3","3","3","5","4","1") = "4"
    & skf21("4","3","3","3","3","5","5","1") = "4"
    & skf21("4","3","3","3","3","5","6","1") = "5"
    & skf21("4","3","3","3","3","5","7","1") = "6"
    & skf21("4","3","3","3","3","6","1","1") = "5"
    & skf21("4","3","3","3","3","6","2","1") = "5"
    & skf21("4","3","3","3","3","6","3","1") = "5"
    & skf21("4","3","3","3","3","6","4","1") = "5"
    & skf21("4","3","3","3","3","6","5","1") = "5"
    & skf21("4","3","3","3","3","6","6","1") = "5"
    & skf21("4","3","3","3","3","6","7","1") = "6"
    & skf21("4","3","3","3","3","7","1","1") = "6"
    & skf21("4","3","3","3","3","7","2","1") = "6"
    & skf21("4","3","3","3","3","7","3","1") = "6"
    & skf21("4","3","3","3","3","7","4","1") = "6"
    & skf21("4","3","3","3","3","7","5","1") = "6"
    & skf21("4","3","3","3","3","7","6","1") = "6"
    & skf21("4","3","3","3","3","7","7","1") = "6"
    & skf21("4","3","3","3","4","1","1","1") = "3"
    & skf21("4","3","3","3","4","1","2","1") = "3"
    & skf21("4","3","3","3","4","1","3","1") = "3"
    & skf21("4","3","3","3","4","1","4","1") = "3"
    & skf21("4","3","3","3","4","1","5","1") = "4"
    & skf21("4","3","3","3","4","1","6","1") = "5"
    & skf21("4","3","3","3","4","1","7","1") = "6"
    & skf21("4","3","3","3","4","2","1","1") = "3"
    & skf21("4","3","3","3","4","2","2","1") = "3"
    & skf21("4","3","3","3","4","2","3","1") = "3"
    & skf21("4","3","3","3","4","2","4","1") = "3"
    & skf21("4","3","3","3","4","2","5","1") = "4"
    & skf21("4","3","3","3","4","2","6","1") = "5"
    & skf21("4","3","3","3","4","2","7","1") = "6"
    & skf21("4","3","3","3","4","3","1","1") = "3"
    & skf21("4","3","3","3","4","3","2","1") = "3"
    & skf21("4","3","3","3","4","3","3","1") = "3"
    & skf21("4","3","3","3","4","3","4","1") = "3"
    & skf21("4","3","3","3","4","3","5","1") = "4"
    & skf21("4","3","3","3","4","3","6","1") = "5"
    & skf21("4","3","3","3","4","3","7","1") = "6"
    & skf21("4","3","3","3","4","4","1","1") = "3"
    & skf21("4","3","3","3","4","4","2","1") = "3"
    & skf21("4","3","3","3","4","4","3","1") = "3"
    & skf21("4","3","3","3","4","4","4","1") = "3"
    & skf21("4","3","3","3","4","4","5","1") = "4"
    & skf21("4","3","3","3","4","4","6","1") = "5"
    & skf21("4","3","3","3","4","4","7","1") = "6"
    & skf21("4","3","3","3","4","5","1","1") = "4"
    & skf21("4","3","3","3","4","5","2","1") = "4"
    & skf21("4","3","3","3","4","5","3","1") = "4"
    & skf21("4","3","3","3","4","5","4","1") = "4"
    & skf21("4","3","3","3","4","5","5","1") = "4"
    & skf21("4","3","3","3","4","5","6","1") = "5"
    & skf21("4","3","3","3","4","5","7","1") = "6"
    & skf21("4","3","3","3","4","6","1","1") = "5"
    & skf21("4","3","3","3","4","6","2","1") = "5"
    & skf21("4","3","3","3","4","6","3","1") = "5"
    & skf21("4","3","3","3","4","6","4","1") = "5"
    & skf21("4","3","3","3","4","6","5","1") = "5"
    & skf21("4","3","3","3","4","6","6","1") = "5"
    & skf21("4","3","3","3","4","6","7","1") = "6"
    & skf21("4","3","3","3","4","7","1","1") = "6"
    & skf21("4","3","3","3","4","7","2","1") = "6"
    & skf21("4","3","3","3","4","7","3","1") = "6"
    & skf21("4","3","3","3","4","7","4","1") = "6"
    & skf21("4","3","3","3","4","7","5","1") = "6"
    & skf21("4","3","3","3","4","7","6","1") = "6"
    & skf21("4","3","3","3","4","7","7","1") = "6"
    & skf21("4","3","3","3","5","1","1","1") = "4"
    & skf21("4","3","3","3","5","1","2","1") = "4"
    & skf21("4","3","3","3","5","1","3","1") = "4"
    & skf21("4","3","3","3","5","1","4","1") = "4"
    & skf21("4","3","3","3","5","1","5","1") = "4"
    & skf21("4","3","3","3","5","1","6","1") = "5"
    & skf21("4","3","3","3","5","1","7","1") = "6"
    & skf21("4","3","3","3","5","2","1","1") = "4"
    & skf21("4","3","3","3","5","2","2","1") = "4"
    & skf21("4","3","3","3","5","2","3","1") = "4"
    & skf21("4","3","3","3","5","2","4","1") = "4"
    & skf21("4","3","3","3","5","2","5","1") = "4"
    & skf21("4","3","3","3","5","2","6","1") = "5"
    & skf21("4","3","3","3","5","2","7","1") = "6"
    & skf21("4","3","3","3","5","3","1","1") = "4"
    & skf21("4","3","3","3","5","3","2","1") = "4"
    & skf21("4","3","3","3","5","3","3","1") = "4"
    & skf21("4","3","3","3","5","3","4","1") = "4"
    & skf21("4","3","3","3","5","3","5","1") = "4"
    & skf21("4","3","3","3","5","3","6","1") = "5"
    & skf21("4","3","3","3","5","3","7","1") = "6"
    & skf21("4","3","3","3","5","4","1","1") = "4"
    & skf21("4","3","3","3","5","4","2","1") = "4"
    & skf21("4","3","3","3","5","4","3","1") = "4"
    & skf21("4","3","3","3","5","4","4","1") = "4"
    & skf21("4","3","3","3","5","4","5","1") = "4"
    & skf21("4","3","3","3","5","4","6","1") = "5"
    & skf21("4","3","3","3","5","4","7","1") = "6"
    & skf21("4","3","3","3","5","5","1","1") = "4"
    & skf21("4","3","3","3","5","5","2","1") = "4"
    & skf21("4","3","3","3","5","5","3","1") = "4"
    & skf21("4","3","3","3","5","5","4","1") = "4"
    & skf21("4","3","3","3","5","5","5","1") = "4"
    & skf21("4","3","3","3","5","5","6","1") = "5"
    & skf21("4","3","3","3","5","5","7","1") = "6"
    & skf21("4","3","3","3","5","6","1","1") = "5"
    & skf21("4","3","3","3","5","6","2","1") = "5"
    & skf21("4","3","3","3","5","6","3","1") = "5"
    & skf21("4","3","3","3","5","6","4","1") = "5"
    & skf21("4","3","3","3","5","6","5","1") = "5"
    & skf21("4","3","3","3","5","6","6","1") = "5"
    & skf21("4","3","3","3","5","6","7","1") = "6"
    & skf21("4","3","3","3","5","7","1","1") = "6"
    & skf21("4","3","3","3","5","7","2","1") = "6"
    & skf21("4","3","3","3","5","7","3","1") = "6"
    & skf21("4","3","3","3","5","7","4","1") = "6"
    & skf21("4","3","3","3","5","7","5","1") = "6"
    & skf21("4","3","3","3","5","7","6","1") = "6"
    & skf21("4","3","3","3","5","7","7","1") = "6"
    & skf21("4","3","3","3","6","1","1","1") = "5"
    & skf21("4","3","3","3","6","1","2","1") = "5"
    & skf21("4","3","3","3","6","1","3","1") = "5"
    & skf21("4","3","3","3","6","1","4","1") = "5"
    & skf21("4","3","3","3","6","1","5","1") = "5"
    & skf21("4","3","3","3","6","1","6","1") = "5"
    & skf21("4","3","3","3","6","1","7","1") = "6"
    & skf21("4","3","3","3","6","2","1","1") = "5"
    & skf21("4","3","3","3","6","2","2","1") = "5"
    & skf21("4","3","3","3","6","2","3","1") = "5"
    & skf21("4","3","3","3","6","2","4","1") = "5"
    & skf21("4","3","3","3","6","2","5","1") = "5"
    & skf21("4","3","3","3","6","2","6","1") = "5"
    & skf21("4","3","3","3","6","2","7","1") = "6"
    & skf21("4","3","3","3","6","3","1","1") = "5"
    & skf21("4","3","3","3","6","3","2","1") = "5"
    & skf21("4","3","3","3","6","3","3","1") = "5"
    & skf21("4","3","3","3","6","3","4","1") = "5"
    & skf21("4","3","3","3","6","3","5","1") = "5"
    & skf21("4","3","3","3","6","3","6","1") = "5"
    & skf21("4","3","3","3","6","3","7","1") = "6"
    & skf21("4","3","3","3","6","4","1","1") = "5"
    & skf21("4","3","3","3","6","4","2","1") = "5"
    & skf21("4","3","3","3","6","4","3","1") = "5"
    & skf21("4","3","3","3","6","4","4","1") = "5"
    & skf21("4","3","3","3","6","4","5","1") = "5"
    & skf21("4","3","3","3","6","4","6","1") = "5"
    & skf21("4","3","3","3","6","4","7","1") = "6"
    & skf21("4","3","3","3","6","5","1","1") = "5"
    & skf21("4","3","3","3","6","5","2","1") = "5"
    & skf21("4","3","3","3","6","5","3","1") = "5"
    & skf21("4","3","3","3","6","5","4","1") = "5"
    & skf21("4","3","3","3","6","5","5","1") = "5"
    & skf21("4","3","3","3","6","5","6","1") = "5"
    & skf21("4","3","3","3","6","5","7","1") = "6"
    & skf21("4","3","3","3","6","6","1","1") = "5"
    & skf21("4","3","3","3","6","6","2","1") = "5"
    & skf21("4","3","3","3","6","6","3","1") = "5"
    & skf21("4","3","3","3","6","6","4","1") = "5"
    & skf21("4","3","3","3","6","6","5","1") = "5"
    & skf21("4","3","3","3","6","6","6","1") = "5"
    & skf21("4","3","3","3","6","6","7","1") = "6"
    & skf21("4","3","3","3","6","7","1","1") = "6"
    & skf21("4","3","3","3","6","7","2","1") = "6"
    & skf21("4","3","3","3","6","7","3","1") = "6"
    & skf21("4","3","3","3","6","7","4","1") = "6"
    & skf21("4","3","3","3","6","7","5","1") = "6"
    & skf21("4","3","3","3","6","7","6","1") = "6"
    & skf21("4","3","3","3","6","7","7","1") = "6"
    & skf21("4","3","3","3","7","1","1","1") = "6"
    & skf21("4","3","3","3","7","1","2","1") = "6"
    & skf21("4","3","3","3","7","1","3","1") = "6"
    & skf21("4","3","3","3","7","1","4","1") = "6"
    & skf21("4","3","3","3","7","1","5","1") = "6"
    & skf21("4","3","3","3","7","1","6","1") = "6"
    & skf21("4","3","3","3","7","1","7","1") = "6"
    & skf21("4","3","3","3","7","2","1","1") = "6"
    & skf21("4","3","3","3","7","2","2","1") = "6"
    & skf21("4","3","3","3","7","2","3","1") = "6"
    & skf21("4","3","3","3","7","2","4","1") = "6"
    & skf21("4","3","3","3","7","2","5","1") = "6"
    & skf21("4","3","3","3","7","2","6","1") = "6"
    & skf21("4","3","3","3","7","2","7","1") = "6"
    & skf21("4","3","3","3","7","3","1","1") = "6"
    & skf21("4","3","3","3","7","3","2","1") = "6"
    & skf21("4","3","3","3","7","3","3","1") = "6"
    & skf21("4","3","3","3","7","3","4","1") = "6"
    & skf21("4","3","3","3","7","3","5","1") = "6"
    & skf21("4","3","3","3","7","3","6","1") = "6"
    & skf21("4","3","3","3","7","3","7","1") = "6"
    & skf21("4","3","3","3","7","4","1","1") = "6"
    & skf21("4","3","3","3","7","4","2","1") = "6"
    & skf21("4","3","3","3","7","4","3","1") = "6"
    & skf21("4","3","3","3","7","4","4","1") = "6"
    & skf21("4","3","3","3","7","4","5","1") = "6"
    & skf21("4","3","3","3","7","4","6","1") = "6"
    & skf21("4","3","3","3","7","4","7","1") = "6"
    & skf21("4","3","3","3","7","5","1","1") = "6"
    & skf21("4","3","3","3","7","5","2","1") = "6"
    & skf21("4","3","3","3","7","5","3","1") = "6"
    & skf21("4","3","3","3","7","5","4","1") = "6"
    & skf21("4","3","3","3","7","5","5","1") = "6"
    & skf21("4","3","3","3","7","5","6","1") = "6"
    & skf21("4","3","3","3","7","5","7","1") = "6"
    & skf21("4","3","3","3","7","6","1","1") = "6"
    & skf21("4","3","3","3","7","6","2","1") = "6"
    & skf21("4","3","3","3","7","6","3","1") = "6"
    & skf21("4","3","3","3","7","6","4","1") = "6"
    & skf21("4","3","3","3","7","6","5","1") = "6"
    & skf21("4","3","3","3","7","6","6","1") = "6"
    & skf21("4","3","3","3","7","6","7","1") = "6"
    & skf21("4","3","3","3","7","7","1","1") = "6"
    & skf21("4","3","3","3","7","7","2","1") = "6"
    & skf21("4","3","3","3","7","7","3","1") = "6"
    & skf21("4","3","3","3","7","7","4","1") = "6"
    & skf21("4","3","3","3","7","7","5","1") = "6"
    & skf21("4","3","3","3","7","7","6","1") = "6"
    & skf21("4","3","3","3","7","7","7","1") = "6"
    & skf21("4","3","3","4","1","1","1","1") = "3"
    & skf21("4","3","3","4","1","1","2","1") = "3"
    & skf21("4","3","3","4","1","1","3","1") = "3"
    & skf21("4","3","3","4","1","1","4","1") = "3"
    & skf21("4","3","3","4","1","1","5","1") = "4"
    & skf21("4","3","3","4","1","1","6","1") = "5"
    & skf21("4","3","3","4","1","1","7","1") = "6"
    & skf21("4","3","3","4","1","2","1","1") = "3"
    & skf21("4","3","3","4","1","2","2","1") = "3"
    & skf21("4","3","3","4","1","2","3","1") = "3"
    & skf21("4","3","3","4","1","2","4","1") = "3"
    & skf21("4","3","3","4","1","2","5","1") = "4"
    & skf21("4","3","3","4","1","2","6","1") = "5"
    & skf21("4","3","3","4","1","2","7","1") = "6"
    & skf21("4","3","3","4","1","3","1","1") = "3"
    & skf21("4","3","3","4","1","3","2","1") = "3"
    & skf21("4","3","3","4","1","3","3","1") = "3"
    & skf21("4","3","3","4","1","3","4","1") = "3"
    & skf21("4","3","3","4","1","3","5","1") = "4"
    & skf21("4","3","3","4","1","3","6","1") = "5"
    & skf21("4","3","3","4","1","3","7","1") = "6"
    & skf21("4","3","3","4","1","4","1","1") = "3"
    & skf21("4","3","3","4","1","4","2","1") = "3"
    & skf21("4","3","3","4","1","4","3","1") = "3"
    & skf21("4","3","3","4","1","4","4","1") = "3"
    & skf21("4","3","3","4","1","4","5","1") = "4"
    & skf21("4","3","3","4","1","4","6","1") = "5"
    & skf21("4","3","3","4","1","4","7","1") = "6"
    & skf21("4","3","3","4","1","5","1","1") = "4"
    & skf21("4","3","3","4","1","5","2","1") = "4"
    & skf21("4","3","3","4","1","5","3","1") = "4"
    & skf21("4","3","3","4","1","5","4","1") = "4"
    & skf21("4","3","3","4","1","5","5","1") = "4"
    & skf21("4","3","3","4","1","5","6","1") = "5"
    & skf21("4","3","3","4","1","5","7","1") = "6"
    & skf21("4","3","3","4","1","6","1","1") = "5"
    & skf21("4","3","3","4","1","6","2","1") = "5"
    & skf21("4","3","3","4","1","6","3","1") = "5"
    & skf21("4","3","3","4","1","6","4","1") = "5"
    & skf21("4","3","3","4","1","6","5","1") = "5"
    & skf21("4","3","3","4","1","6","6","1") = "5"
    & skf21("4","3","3","4","1","6","7","1") = "6"
    & skf21("4","3","3","4","1","7","1","1") = "6"
    & skf21("4","3","3","4","1","7","2","1") = "6"
    & skf21("4","3","3","4","1","7","3","1") = "6"
    & skf21("4","3","3","4","1","7","4","1") = "6"
    & skf21("4","3","3","4","1","7","5","1") = "6"
    & skf21("4","3","3","4","1","7","6","1") = "6"
    & skf21("4","3","3","4","1","7","7","1") = "6"
    & skf21("4","3","3","4","2","1","1","1") = "3"
    & skf21("4","3","3","4","2","1","2","1") = "3"
    & skf21("4","3","3","4","2","1","3","1") = "3"
    & skf21("4","3","3","4","2","1","4","1") = "3"
    & skf21("4","3","3","4","2","1","5","1") = "4"
    & skf21("4","3","3","4","2","1","6","1") = "5"
    & skf21("4","3","3","4","2","1","7","1") = "6"
    & skf21("4","3","3","4","2","2","1","1") = "3"
    & skf21("4","3","3","4","2","2","2","1") = "3"
    & skf21("4","3","3","4","2","2","3","1") = "3"
    & skf21("4","3","3","4","2","2","4","1") = "3"
    & skf21("4","3","3","4","2","2","5","1") = "4"
    & skf21("4","3","3","4","2","2","6","1") = "5"
    & skf21("4","3","3","4","2","2","7","1") = "6"
    & skf21("4","3","3","4","2","3","1","1") = "3"
    & skf21("4","3","3","4","2","3","2","1") = "3"
    & skf21("4","3","3","4","2","3","3","1") = "3"
    & skf21("4","3","3","4","2","3","4","1") = "3"
    & skf21("4","3","3","4","2","3","5","1") = "4"
    & skf21("4","3","3","4","2","3","6","1") = "5"
    & skf21("4","3","3","4","2","3","7","1") = "6"
    & skf21("4","3","3","4","2","4","1","1") = "3"
    & skf21("4","3","3","4","2","4","2","1") = "3"
    & skf21("4","3","3","4","2","4","3","1") = "3"
    & skf21("4","3","3","4","2","4","4","1") = "3"
    & skf21("4","3","3","4","2","4","5","1") = "4"
    & skf21("4","3","3","4","2","4","6","1") = "5"
    & skf21("4","3","3","4","2","4","7","1") = "6"
    & skf21("4","3","3","4","2","5","1","1") = "4"
    & skf21("4","3","3","4","2","5","2","1") = "4"
    & skf21("4","3","3","4","2","5","3","1") = "4"
    & skf21("4","3","3","4","2","5","4","1") = "4"
    & skf21("4","3","3","4","2","5","5","1") = "4"
    & skf21("4","3","3","4","2","5","6","1") = "5"
    & skf21("4","3","3","4","2","5","7","1") = "6"
    & skf21("4","3","3","4","2","6","1","1") = "5"
    & skf21("4","3","3","4","2","6","2","1") = "5"
    & skf21("4","3","3","4","2","6","3","1") = "5"
    & skf21("4","3","3","4","2","6","4","1") = "5"
    & skf21("4","3","3","4","2","6","5","1") = "5"
    & skf21("4","3","3","4","2","6","6","1") = "5"
    & skf21("4","3","3","4","2","6","7","1") = "6"
    & skf21("4","3","3","4","2","7","1","1") = "6"
    & skf21("4","3","3","4","2","7","2","1") = "6"
    & skf21("4","3","3","4","2","7","3","1") = "6"
    & skf21("4","3","3","4","2","7","4","1") = "6"
    & skf21("4","3","3","4","2","7","5","1") = "6"
    & skf21("4","3","3","4","2","7","6","1") = "6"
    & skf21("4","3","3","4","2","7","7","1") = "6"
    & skf21("4","3","3","4","3","1","1","1") = "3"
    & skf21("4","3","3","4","3","1","2","1") = "3"
    & skf21("4","3","3","4","3","1","3","1") = "3"
    & skf21("4","3","3","4","3","1","4","1") = "3"
    & skf21("4","3","3","4","3","1","5","1") = "4"
    & skf21("4","3","3","4","3","1","6","1") = "5"
    & skf21("4","3","3","4","3","1","7","1") = "6"
    & skf21("4","3","3","4","3","2","1","1") = "3"
    & skf21("4","3","3","4","3","2","2","1") = "3"
    & skf21("4","3","3","4","3","2","3","1") = "3"
    & skf21("4","3","3","4","3","2","4","1") = "3"
    & skf21("4","3","3","4","3","2","5","1") = "4"
    & skf21("4","3","3","4","3","2","6","1") = "5"
    & skf21("4","3","3","4","3","2","7","1") = "6"
    & skf21("4","3","3","4","3","3","1","1") = "3"
    & skf21("4","3","3","4","3","3","2","1") = "3"
    & skf21("4","3","3","4","3","3","3","1") = "3"
    & skf21("4","3","3","4","3","3","4","1") = "3"
    & skf21("4","3","3","4","3","3","5","1") = "4"
    & skf21("4","3","3","4","3","3","6","1") = "5"
    & skf21("4","3","3","4","3","3","7","1") = "6"
    & skf21("4","3","3","4","3","4","1","1") = "3"
    & skf21("4","3","3","4","3","4","2","1") = "3"
    & skf21("4","3","3","4","3","4","3","1") = "3"
    & skf21("4","3","3","4","3","4","4","1") = "3"
    & skf21("4","3","3","4","3","4","5","1") = "4"
    & skf21("4","3","3","4","3","4","6","1") = "5"
    & skf21("4","3","3","4","3","4","7","1") = "6"
    & skf21("4","3","3","4","3","5","1","1") = "4"
    & skf21("4","3","3","4","3","5","2","1") = "4"
    & skf21("4","3","3","4","3","5","3","1") = "4"
    & skf21("4","3","3","4","3","5","4","1") = "4"
    & skf21("4","3","3","4","3","5","5","1") = "4"
    & skf21("4","3","3","4","3","5","6","1") = "5"
    & skf21("4","3","3","4","3","5","7","1") = "6"
    & skf21("4","3","3","4","3","6","1","1") = "5"
    & skf21("4","3","3","4","3","6","2","1") = "5"
    & skf21("4","3","3","4","3","6","3","1") = "5"
    & skf21("4","3","3","4","3","6","4","1") = "5"
    & skf21("4","3","3","4","3","6","5","1") = "5"
    & skf21("4","3","3","4","3","6","6","1") = "5"
    & skf21("4","3","3","4","3","6","7","1") = "6"
    & skf21("4","3","3","4","3","7","1","1") = "6"
    & skf21("4","3","3","4","3","7","2","1") = "6"
    & skf21("4","3","3","4","3","7","3","1") = "6"
    & skf21("4","3","3","4","3","7","4","1") = "6"
    & skf21("4","3","3","4","3","7","5","1") = "6"
    & skf21("4","3","3","4","3","7","6","1") = "6"
    & skf21("4","3","3","4","3","7","7","1") = "6"
    & skf21("4","3","3","4","4","1","1","1") = "3"
    & skf21("4","3","3","4","4","1","2","1") = "3"
    & skf21("4","3","3","4","4","1","3","1") = "3"
    & skf21("4","3","3","4","4","1","4","1") = "3"
    & skf21("4","3","3","4","4","1","5","1") = "4"
    & skf21("4","3","3","4","4","1","6","1") = "5"
    & skf21("4","3","3","4","4","1","7","1") = "6"
    & skf21("4","3","3","4","4","2","1","1") = "3"
    & skf21("4","3","3","4","4","2","2","1") = "3"
    & skf21("4","3","3","4","4","2","3","1") = "3"
    & skf21("4","3","3","4","4","2","4","1") = "3"
    & skf21("4","3","3","4","4","2","5","1") = "4"
    & skf21("4","3","3","4","4","2","6","1") = "5"
    & skf21("4","3","3","4","4","2","7","1") = "6"
    & skf21("4","3","3","4","4","3","1","1") = "3"
    & skf21("4","3","3","4","4","3","2","1") = "3"
    & skf21("4","3","3","4","4","3","3","1") = "3"
    & skf21("4","3","3","4","4","3","4","1") = "3"
    & skf21("4","3","3","4","4","3","5","1") = "4"
    & skf21("4","3","3","4","4","3","6","1") = "5"
    & skf21("4","3","3","4","4","3","7","1") = "6"
    & skf21("4","3","3","4","4","4","1","1") = "3"
    & skf21("4","3","3","4","4","4","2","1") = "3"
    & skf21("4","3","3","4","4","4","3","1") = "3"
    & skf21("4","3","3","4","4","4","4","1") = "3"
    & skf21("4","3","3","4","4","4","5","1") = "4"
    & skf21("4","3","3","4","4","4","6","1") = "5"
    & skf21("4","3","3","4","4","4","7","1") = "6"
    & skf21("4","3","3","4","4","5","1","1") = "4"
    & skf21("4","3","3","4","4","5","2","1") = "4"
    & skf21("4","3","3","4","4","5","3","1") = "4"
    & skf21("4","3","3","4","4","5","4","1") = "4"
    & skf21("4","3","3","4","4","5","5","1") = "4"
    & skf21("4","3","3","4","4","5","6","1") = "5"
    & skf21("4","3","3","4","4","5","7","1") = "6"
    & skf21("4","3","3","4","4","6","1","1") = "5"
    & skf21("4","3","3","4","4","6","2","1") = "5"
    & skf21("4","3","3","4","4","6","3","1") = "5"
    & skf21("4","3","3","4","4","6","4","1") = "5"
    & skf21("4","3","3","4","4","6","5","1") = "5"
    & skf21("4","3","3","4","4","6","6","1") = "5"
    & skf21("4","3","3","4","4","6","7","1") = "6"
    & skf21("4","3","3","4","4","7","1","1") = "6"
    & skf21("4","3","3","4","4","7","2","1") = "6"
    & skf21("4","3","3","4","4","7","3","1") = "6"
    & skf21("4","3","3","4","4","7","4","1") = "6"
    & skf21("4","3","3","4","4","7","5","1") = "6"
    & skf21("4","3","3","4","4","7","6","1") = "6"
    & skf21("4","3","3","4","4","7","7","1") = "6"
    & skf21("4","3","3","4","5","1","1","1") = "4"
    & skf21("4","3","3","4","5","1","2","1") = "4"
    & skf21("4","3","3","4","5","1","3","1") = "4"
    & skf21("4","3","3","4","5","1","4","1") = "4"
    & skf21("4","3","3","4","5","1","5","1") = "4"
    & skf21("4","3","3","4","5","1","6","1") = "5"
    & skf21("4","3","3","4","5","1","7","1") = "6"
    & skf21("4","3","3","4","5","2","1","1") = "4"
    & skf21("4","3","3","4","5","2","2","1") = "4"
    & skf21("4","3","3","4","5","2","3","1") = "4"
    & skf21("4","3","3","4","5","2","4","1") = "4"
    & skf21("4","3","3","4","5","2","5","1") = "4"
    & skf21("4","3","3","4","5","2","6","1") = "5"
    & skf21("4","3","3","4","5","2","7","1") = "6"
    & skf21("4","3","3","4","5","3","1","1") = "4"
    & skf21("4","3","3","4","5","3","2","1") = "4"
    & skf21("4","3","3","4","5","3","3","1") = "4"
    & skf21("4","3","3","4","5","3","4","1") = "4"
    & skf21("4","3","3","4","5","3","5","1") = "4"
    & skf21("4","3","3","4","5","3","6","1") = "5"
    & skf21("4","3","3","4","5","3","7","1") = "6"
    & skf21("4","3","3","4","5","4","1","1") = "4"
    & skf21("4","3","3","4","5","4","2","1") = "4"
    & skf21("4","3","3","4","5","4","3","1") = "4"
    & skf21("4","3","3","4","5","4","4","1") = "4"
    & skf21("4","3","3","4","5","4","5","1") = "4"
    & skf21("4","3","3","4","5","4","6","1") = "5"
    & skf21("4","3","3","4","5","4","7","1") = "6"
    & skf21("4","3","3","4","5","5","1","1") = "4"
    & skf21("4","3","3","4","5","5","2","1") = "4"
    & skf21("4","3","3","4","5","5","3","1") = "4"
    & skf21("4","3","3","4","5","5","4","1") = "4"
    & skf21("4","3","3","4","5","5","5","1") = "4"
    & skf21("4","3","3","4","5","5","6","1") = "5"
    & skf21("4","3","3","4","5","5","7","1") = "6"
    & skf21("4","3","3","4","5","6","1","1") = "5"
    & skf21("4","3","3","4","5","6","2","1") = "5"
    & skf21("4","3","3","4","5","6","3","1") = "5"
    & skf21("4","3","3","4","5","6","4","1") = "5"
    & skf21("4","3","3","4","5","6","5","1") = "5"
    & skf21("4","3","3","4","5","6","6","1") = "5"
    & skf21("4","3","3","4","5","6","7","1") = "6"
    & skf21("4","3","3","4","5","7","1","1") = "6"
    & skf21("4","3","3","4","5","7","2","1") = "6"
    & skf21("4","3","3","4","5","7","3","1") = "6"
    & skf21("4","3","3","4","5","7","4","1") = "6"
    & skf21("4","3","3","4","5","7","5","1") = "6"
    & skf21("4","3","3","4","5","7","6","1") = "6"
    & skf21("4","3","3","4","5","7","7","1") = "6"
    & skf21("4","3","3","4","6","1","1","1") = "5"
    & skf21("4","3","3","4","6","1","2","1") = "5"
    & skf21("4","3","3","4","6","1","3","1") = "5"
    & skf21("4","3","3","4","6","1","4","1") = "5"
    & skf21("4","3","3","4","6","1","5","1") = "5"
    & skf21("4","3","3","4","6","1","6","1") = "5"
    & skf21("4","3","3","4","6","1","7","1") = "6"
    & skf21("4","3","3","4","6","2","1","1") = "5"
    & skf21("4","3","3","4","6","2","2","1") = "5"
    & skf21("4","3","3","4","6","2","3","1") = "5"
    & skf21("4","3","3","4","6","2","4","1") = "5"
    & skf21("4","3","3","4","6","2","5","1") = "5"
    & skf21("4","3","3","4","6","2","6","1") = "5"
    & skf21("4","3","3","4","6","2","7","1") = "6"
    & skf21("4","3","3","4","6","3","1","1") = "5"
    & skf21("4","3","3","4","6","3","2","1") = "5"
    & skf21("4","3","3","4","6","3","3","1") = "5"
    & skf21("4","3","3","4","6","3","4","1") = "5"
    & skf21("4","3","3","4","6","3","5","1") = "5"
    & skf21("4","3","3","4","6","3","6","1") = "5"
    & skf21("4","3","3","4","6","3","7","1") = "6"
    & skf21("4","3","3","4","6","4","1","1") = "5"
    & skf21("4","3","3","4","6","4","2","1") = "5"
    & skf21("4","3","3","4","6","4","3","1") = "5"
    & skf21("4","3","3","4","6","4","4","1") = "5"
    & skf21("4","3","3","4","6","4","5","1") = "5"
    & skf21("4","3","3","4","6","4","6","1") = "5"
    & skf21("4","3","3","4","6","4","7","1") = "6"
    & skf21("4","3","3","4","6","5","1","1") = "5"
    & skf21("4","3","3","4","6","5","2","1") = "5"
    & skf21("4","3","3","4","6","5","3","1") = "5"
    & skf21("4","3","3","4","6","5","4","1") = "5"
    & skf21("4","3","3","4","6","5","5","1") = "5"
    & skf21("4","3","3","4","6","5","6","1") = "5"
    & skf21("4","3","3","4","6","5","7","1") = "6"
    & skf21("4","3","3","4","6","6","1","1") = "5"
    & skf21("4","3","3","4","6","6","2","1") = "5"
    & skf21("4","3","3","4","6","6","3","1") = "5"
    & skf21("4","3","3","4","6","6","4","1") = "5"
    & skf21("4","3","3","4","6","6","5","1") = "5"
    & skf21("4","3","3","4","6","6","6","1") = "5"
    & skf21("4","3","3","4","6","6","7","1") = "6"
    & skf21("4","3","3","4","6","7","1","1") = "6"
    & skf21("4","3","3","4","6","7","2","1") = "6"
    & skf21("4","3","3","4","6","7","3","1") = "6"
    & skf21("4","3","3","4","6","7","4","1") = "6"
    & skf21("4","3","3","4","6","7","5","1") = "6"
    & skf21("4","3","3","4","6","7","6","1") = "6"
    & skf21("4","3","3","4","6","7","7","1") = "6"
    & skf21("4","3","3","4","7","1","1","1") = "6"
    & skf21("4","3","3","4","7","1","2","1") = "6"
    & skf21("4","3","3","4","7","1","3","1") = "6"
    & skf21("4","3","3","4","7","1","4","1") = "6"
    & skf21("4","3","3","4","7","1","5","1") = "6"
    & skf21("4","3","3","4","7","1","6","1") = "6"
    & skf21("4","3","3","4","7","1","7","1") = "6"
    & skf21("4","3","3","4","7","2","1","1") = "6"
    & skf21("4","3","3","4","7","2","2","1") = "6"
    & skf21("4","3","3","4","7","2","3","1") = "6"
    & skf21("4","3","3","4","7","2","4","1") = "6"
    & skf21("4","3","3","4","7","2","5","1") = "6"
    & skf21("4","3","3","4","7","2","6","1") = "6"
    & skf21("4","3","3","4","7","2","7","1") = "6"
    & skf21("4","3","3","4","7","3","1","1") = "6"
    & skf21("4","3","3","4","7","3","2","1") = "6"
    & skf21("4","3","3","4","7","3","3","1") = "6"
    & skf21("4","3","3","4","7","3","4","1") = "6"
    & skf21("4","3","3","4","7","3","5","1") = "6"
    & skf21("4","3","3","4","7","3","6","1") = "6"
    & skf21("4","3","3","4","7","3","7","1") = "6"
    & skf21("4","3","3","4","7","4","1","1") = "6"
    & skf21("4","3","3","4","7","4","2","1") = "6"
    & skf21("4","3","3","4","7","4","3","1") = "6"
    & skf21("4","3","3","4","7","4","4","1") = "6"
    & skf21("4","3","3","4","7","4","5","1") = "6"
    & skf21("4","3","3","4","7","4","6","1") = "6"
    & skf21("4","3","3","4","7","4","7","1") = "6"
    & skf21("4","3","3","4","7","5","1","1") = "6"
    & skf21("4","3","3","4","7","5","2","1") = "6"
    & skf21("4","3","3","4","7","5","3","1") = "6"
    & skf21("4","3","3","4","7","5","4","1") = "6"
    & skf21("4","3","3","4","7","5","5","1") = "6"
    & skf21("4","3","3","4","7","5","6","1") = "6"
    & skf21("4","3","3","4","7","5","7","1") = "6"
    & skf21("4","3","3","4","7","6","1","1") = "6"
    & skf21("4","3","3","4","7","6","2","1") = "6"
    & skf21("4","3","3","4","7","6","3","1") = "6"
    & skf21("4","3","3","4","7","6","4","1") = "6"
    & skf21("4","3","3","4","7","6","5","1") = "6"
    & skf21("4","3","3","4","7","6","6","1") = "6"
    & skf21("4","3","3","4","7","6","7","1") = "6"
    & skf21("4","3","3","4","7","7","1","1") = "6"
    & skf21("4","3","3","4","7","7","2","1") = "6"
    & skf21("4","3","3","4","7","7","3","1") = "6"
    & skf21("4","3","3","4","7","7","4","1") = "6"
    & skf21("4","3","3","4","7","7","5","1") = "6"
    & skf21("4","3","3","4","7","7","6","1") = "6"
    & skf21("4","3","3","4","7","7","7","1") = "6"
    & skf21("4","3","3","5","1","1","1","1") = "4"
    & skf21("4","3","3","5","1","1","2","1") = "4"
    & skf21("4","3","3","5","1","1","3","1") = "4"
    & skf21("4","3","3","5","1","1","4","1") = "4"
    & skf21("4","3","3","5","1","1","5","1") = "4"
    & skf21("4","3","3","5","1","1","6","1") = "5"
    & skf21("4","3","3","5","1","1","7","1") = "6"
    & skf21("4","3","3","5","1","2","1","1") = "4"
    & skf21("4","3","3","5","1","2","2","1") = "4"
    & skf21("4","3","3","5","1","2","3","1") = "4"
    & skf21("4","3","3","5","1","2","4","1") = "4"
    & skf21("4","3","3","5","1","2","5","1") = "4"
    & skf21("4","3","3","5","1","2","6","1") = "5"
    & skf21("4","3","3","5","1","2","7","1") = "6"
    & skf21("4","3","3","5","1","3","1","1") = "4"
    & skf21("4","3","3","5","1","3","2","1") = "4"
    & skf21("4","3","3","5","1","3","3","1") = "4"
    & skf21("4","3","3","5","1","3","4","1") = "4"
    & skf21("4","3","3","5","1","3","5","1") = "4"
    & skf21("4","3","3","5","1","3","6","1") = "5"
    & skf21("4","3","3","5","1","3","7","1") = "6"
    & skf21("4","3","3","5","1","4","1","1") = "4"
    & skf21("4","3","3","5","1","4","2","1") = "4"
    & skf21("4","3","3","5","1","4","3","1") = "4"
    & skf21("4","3","3","5","1","4","4","1") = "4"
    & skf21("4","3","3","5","1","4","5","1") = "4"
    & skf21("4","3","3","5","1","4","6","1") = "5"
    & skf21("4","3","3","5","1","4","7","1") = "6"
    & skf21("4","3","3","5","1","5","1","1") = "4"
    & skf21("4","3","3","5","1","5","2","1") = "4"
    & skf21("4","3","3","5","1","5","3","1") = "4"
    & skf21("4","3","3","5","1","5","4","1") = "4"
    & skf21("4","3","3","5","1","5","5","1") = "4"
    & skf21("4","3","3","5","1","5","6","1") = "5"
    & skf21("4","3","3","5","1","5","7","1") = "6"
    & skf21("4","3","3","5","1","6","1","1") = "5"
    & skf21("4","3","3","5","1","6","2","1") = "5"
    & skf21("4","3","3","5","1","6","3","1") = "5"
    & skf21("4","3","3","5","1","6","4","1") = "5"
    & skf21("4","3","3","5","1","6","5","1") = "5"
    & skf21("4","3","3","5","1","6","6","1") = "5"
    & skf21("4","3","3","5","1","6","7","1") = "6"
    & skf21("4","3","3","5","1","7","1","1") = "6"
    & skf21("4","3","3","5","1","7","2","1") = "6"
    & skf21("4","3","3","5","1","7","3","1") = "6"
    & skf21("4","3","3","5","1","7","4","1") = "6"
    & skf21("4","3","3","5","1","7","5","1") = "6"
    & skf21("4","3","3","5","1","7","6","1") = "6"
    & skf21("4","3","3","5","1","7","7","1") = "6"
    & skf21("4","3","3","5","2","1","1","1") = "4"
    & skf21("4","3","3","5","2","1","2","1") = "4"
    & skf21("4","3","3","5","2","1","3","1") = "4"
    & skf21("4","3","3","5","2","1","4","1") = "4"
    & skf21("4","3","3","5","2","1","5","1") = "4"
    & skf21("4","3","3","5","2","1","6","1") = "5"
    & skf21("4","3","3","5","2","1","7","1") = "6"
    & skf21("4","3","3","5","2","2","1","1") = "4"
    & skf21("4","3","3","5","2","2","2","1") = "4"
    & skf21("4","3","3","5","2","2","3","1") = "4"
    & skf21("4","3","3","5","2","2","4","1") = "4"
    & skf21("4","3","3","5","2","2","5","1") = "4"
    & skf21("4","3","3","5","2","2","6","1") = "5"
    & skf21("4","3","3","5","2","2","7","1") = "6"
    & skf21("4","3","3","5","2","3","1","1") = "4"
    & skf21("4","3","3","5","2","3","2","1") = "4"
    & skf21("4","3","3","5","2","3","3","1") = "4"
    & skf21("4","3","3","5","2","3","4","1") = "4"
    & skf21("4","3","3","5","2","3","5","1") = "4"
    & skf21("4","3","3","5","2","3","6","1") = "5"
    & skf21("4","3","3","5","2","3","7","1") = "6"
    & skf21("4","3","3","5","2","4","1","1") = "4"
    & skf21("4","3","3","5","2","4","2","1") = "4"
    & skf21("4","3","3","5","2","4","3","1") = "4"
    & skf21("4","3","3","5","2","4","4","1") = "4"
    & skf21("4","3","3","5","2","4","5","1") = "4"
    & skf21("4","3","3","5","2","4","6","1") = "5"
    & skf21("4","3","3","5","2","4","7","1") = "6"
    & skf21("4","3","3","5","2","5","1","1") = "4"
    & skf21("4","3","3","5","2","5","2","1") = "4"
    & skf21("4","3","3","5","2","5","3","1") = "4"
    & skf21("4","3","3","5","2","5","4","1") = "4"
    & skf21("4","3","3","5","2","5","5","1") = "4"
    & skf21("4","3","3","5","2","5","6","1") = "5"
    & skf21("4","3","3","5","2","5","7","1") = "6"
    & skf21("4","3","3","5","2","6","1","1") = "5"
    & skf21("4","3","3","5","2","6","2","1") = "5"
    & skf21("4","3","3","5","2","6","3","1") = "5"
    & skf21("4","3","3","5","2","6","4","1") = "5"
    & skf21("4","3","3","5","2","6","5","1") = "5"
    & skf21("4","3","3","5","2","6","6","1") = "5"
    & skf21("4","3","3","5","2","6","7","1") = "6"
    & skf21("4","3","3","5","2","7","1","1") = "6"
    & skf21("4","3","3","5","2","7","2","1") = "6"
    & skf21("4","3","3","5","2","7","3","1") = "6"
    & skf21("4","3","3","5","2","7","4","1") = "6"
    & skf21("4","3","3","5","2","7","5","1") = "6"
    & skf21("4","3","3","5","2","7","6","1") = "6"
    & skf21("4","3","3","5","2","7","7","1") = "6"
    & skf21("4","3","3","5","3","1","1","1") = "4"
    & skf21("4","3","3","5","3","1","2","1") = "4"
    & skf21("4","3","3","5","3","1","3","1") = "4"
    & skf21("4","3","3","5","3","1","4","1") = "4"
    & skf21("4","3","3","5","3","1","5","1") = "4"
    & skf21("4","3","3","5","3","1","6","1") = "5"
    & skf21("4","3","3","5","3","1","7","1") = "6"
    & skf21("4","3","3","5","3","2","1","1") = "4"
    & skf21("4","3","3","5","3","2","2","1") = "4"
    & skf21("4","3","3","5","3","2","3","1") = "4"
    & skf21("4","3","3","5","3","2","4","1") = "4"
    & skf21("4","3","3","5","3","2","5","1") = "4"
    & skf21("4","3","3","5","3","2","6","1") = "5"
    & skf21("4","3","3","5","3","2","7","1") = "6"
    & skf21("4","3","3","5","3","3","1","1") = "4"
    & skf21("4","3","3","5","3","3","2","1") = "4"
    & skf21("4","3","3","5","3","3","3","1") = "4"
    & skf21("4","3","3","5","3","3","4","1") = "4"
    & skf21("4","3","3","5","3","3","5","1") = "4"
    & skf21("4","3","3","5","3","3","6","1") = "5"
    & skf21("4","3","3","5","3","3","7","1") = "6"
    & skf21("4","3","3","5","3","4","1","1") = "4"
    & skf21("4","3","3","5","3","4","2","1") = "4"
    & skf21("4","3","3","5","3","4","3","1") = "4"
    & skf21("4","3","3","5","3","4","4","1") = "4"
    & skf21("4","3","3","5","3","4","5","1") = "4"
    & skf21("4","3","3","5","3","4","6","1") = "5"
    & skf21("4","3","3","5","3","4","7","1") = "6"
    & skf21("4","3","3","5","3","5","1","1") = "4"
    & skf21("4","3","3","5","3","5","2","1") = "4"
    & skf21("4","3","3","5","3","5","3","1") = "4"
    & skf21("4","3","3","5","3","5","4","1") = "4"
    & skf21("4","3","3","5","3","5","5","1") = "4"
    & skf21("4","3","3","5","3","5","6","1") = "5"
    & skf21("4","3","3","5","3","5","7","1") = "6"
    & skf21("4","3","3","5","3","6","1","1") = "5"
    & skf21("4","3","3","5","3","6","2","1") = "5"
    & skf21("4","3","3","5","3","6","3","1") = "5"
    & skf21("4","3","3","5","3","6","4","1") = "5"
    & skf21("4","3","3","5","3","6","5","1") = "5"
    & skf21("4","3","3","5","3","6","6","1") = "5"
    & skf21("4","3","3","5","3","6","7","1") = "6"
    & skf21("4","3","3","5","3","7","1","1") = "6"
    & skf21("4","3","3","5","3","7","2","1") = "6"
    & skf21("4","3","3","5","3","7","3","1") = "6"
    & skf21("4","3","3","5","3","7","4","1") = "6"
    & skf21("4","3","3","5","3","7","5","1") = "6"
    & skf21("4","3","3","5","3","7","6","1") = "6"
    & skf21("4","3","3","5","3","7","7","1") = "6"
    & skf21("4","3","3","5","4","1","1","1") = "4"
    & skf21("4","3","3","5","4","1","2","1") = "4"
    & skf21("4","3","3","5","4","1","3","1") = "4"
    & skf21("4","3","3","5","4","1","4","1") = "4"
    & skf21("4","3","3","5","4","1","5","1") = "4"
    & skf21("4","3","3","5","4","1","6","1") = "5"
    & skf21("4","3","3","5","4","1","7","1") = "6"
    & skf21("4","3","3","5","4","2","1","1") = "4"
    & skf21("4","3","3","5","4","2","2","1") = "4"
    & skf21("4","3","3","5","4","2","3","1") = "4"
    & skf21("4","3","3","5","4","2","4","1") = "4"
    & skf21("4","3","3","5","4","2","5","1") = "4"
    & skf21("4","3","3","5","4","2","6","1") = "5"
    & skf21("4","3","3","5","4","2","7","1") = "6"
    & skf21("4","3","3","5","4","3","1","1") = "4"
    & skf21("4","3","3","5","4","3","2","1") = "4"
    & skf21("4","3","3","5","4","3","3","1") = "4"
    & skf21("4","3","3","5","4","3","4","1") = "4"
    & skf21("4","3","3","5","4","3","5","1") = "4"
    & skf21("4","3","3","5","4","3","6","1") = "5"
    & skf21("4","3","3","5","4","3","7","1") = "6"
    & skf21("4","3","3","5","4","4","1","1") = "4"
    & skf21("4","3","3","5","4","4","2","1") = "4"
    & skf21("4","3","3","5","4","4","3","1") = "4"
    & skf21("4","3","3","5","4","4","4","1") = "4"
    & skf21("4","3","3","5","4","4","5","1") = "4"
    & skf21("4","3","3","5","4","4","6","1") = "5"
    & skf21("4","3","3","5","4","4","7","1") = "6"
    & skf21("4","3","3","5","4","5","1","1") = "4"
    & skf21("4","3","3","5","4","5","2","1") = "4"
    & skf21("4","3","3","5","4","5","3","1") = "4"
    & skf21("4","3","3","5","4","5","4","1") = "4"
    & skf21("4","3","3","5","4","5","5","1") = "4"
    & skf21("4","3","3","5","4","5","6","1") = "5"
    & skf21("4","3","3","5","4","5","7","1") = "6"
    & skf21("4","3","3","5","4","6","1","1") = "5"
    & skf21("4","3","3","5","4","6","2","1") = "5"
    & skf21("4","3","3","5","4","6","3","1") = "5"
    & skf21("4","3","3","5","4","6","4","1") = "5"
    & skf21("4","3","3","5","4","6","5","1") = "5"
    & skf21("4","3","3","5","4","6","6","1") = "5"
    & skf21("4","3","3","5","4","6","7","1") = "6"
    & skf21("4","3","3","5","4","7","1","1") = "6"
    & skf21("4","3","3","5","4","7","2","1") = "6"
    & skf21("4","3","3","5","4","7","3","1") = "6"
    & skf21("4","3","3","5","4","7","4","1") = "6"
    & skf21("4","3","3","5","4","7","5","1") = "6"
    & skf21("4","3","3","5","4","7","6","1") = "6"
    & skf21("4","3","3","5","4","7","7","1") = "6"
    & skf21("4","3","3","5","5","1","1","1") = "4"
    & skf21("4","3","3","5","5","1","2","1") = "4"
    & skf21("4","3","3","5","5","1","3","1") = "4"
    & skf21("4","3","3","5","5","1","4","1") = "4"
    & skf21("4","3","3","5","5","1","5","1") = "4"
    & skf21("4","3","3","5","5","1","6","1") = "5"
    & skf21("4","3","3","5","5","1","7","1") = "6"
    & skf21("4","3","3","5","5","2","1","1") = "4"
    & skf21("4","3","3","5","5","2","2","1") = "4"
    & skf21("4","3","3","5","5","2","3","1") = "4"
    & skf21("4","3","3","5","5","2","4","1") = "4"
    & skf21("4","3","3","5","5","2","5","1") = "4"
    & skf21("4","3","3","5","5","2","6","1") = "5"
    & skf21("4","3","3","5","5","2","7","1") = "6"
    & skf21("4","3","3","5","5","3","1","1") = "4"
    & skf21("4","3","3","5","5","3","2","1") = "4"
    & skf21("4","3","3","5","5","3","3","1") = "4"
    & skf21("4","3","3","5","5","3","4","1") = "4"
    & skf21("4","3","3","5","5","3","5","1") = "4"
    & skf21("4","3","3","5","5","3","6","1") = "5"
    & skf21("4","3","3","5","5","3","7","1") = "6"
    & skf21("4","3","3","5","5","4","1","1") = "4"
    & skf21("4","3","3","5","5","4","2","1") = "4"
    & skf21("4","3","3","5","5","4","3","1") = "4"
    & skf21("4","3","3","5","5","4","4","1") = "4"
    & skf21("4","3","3","5","5","4","5","1") = "4"
    & skf21("4","3","3","5","5","4","6","1") = "5"
    & skf21("4","3","3","5","5","4","7","1") = "6"
    & skf21("4","3","3","5","5","5","1","1") = "4"
    & skf21("4","3","3","5","5","5","2","1") = "4"
    & skf21("4","3","3","5","5","5","3","1") = "4"
    & skf21("4","3","3","5","5","5","4","1") = "4"
    & skf21("4","3","3","5","5","5","5","1") = "4"
    & skf21("4","3","3","5","5","5","6","1") = "5"
    & skf21("4","3","3","5","5","5","7","1") = "6"
    & skf21("4","3","3","5","5","6","1","1") = "5"
    & skf21("4","3","3","5","5","6","2","1") = "5"
    & skf21("4","3","3","5","5","6","3","1") = "5"
    & skf21("4","3","3","5","5","6","4","1") = "5"
    & skf21("4","3","3","5","5","6","5","1") = "5"
    & skf21("4","3","3","5","5","6","6","1") = "5"
    & skf21("4","3","3","5","5","6","7","1") = "6"
    & skf21("4","3","3","5","5","7","1","1") = "6"
    & skf21("4","3","3","5","5","7","2","1") = "6"
    & skf21("4","3","3","5","5","7","3","1") = "6"
    & skf21("4","3","3","5","5","7","4","1") = "6"
    & skf21("4","3","3","5","5","7","5","1") = "6"
    & skf21("4","3","3","5","5","7","6","1") = "6"
    & skf21("4","3","3","5","5","7","7","1") = "6"
    & skf21("4","3","3","5","6","1","1","1") = "5"
    & skf21("4","3","3","5","6","1","2","1") = "5"
    & skf21("4","3","3","5","6","1","3","1") = "5"
    & skf21("4","3","3","5","6","1","4","1") = "5"
    & skf21("4","3","3","5","6","1","5","1") = "5"
    & skf21("4","3","3","5","6","1","6","1") = "5"
    & skf21("4","3","3","5","6","1","7","1") = "6"
    & skf21("4","3","3","5","6","2","1","1") = "5"
    & skf21("4","3","3","5","6","2","2","1") = "5"
    & skf21("4","3","3","5","6","2","3","1") = "5"
    & skf21("4","3","3","5","6","2","4","1") = "5"
    & skf21("4","3","3","5","6","2","5","1") = "5"
    & skf21("4","3","3","5","6","2","6","1") = "5"
    & skf21("4","3","3","5","6","2","7","1") = "6"
    & skf21("4","3","3","5","6","3","1","1") = "5"
    & skf21("4","3","3","5","6","3","2","1") = "5"
    & skf21("4","3","3","5","6","3","3","1") = "5"
    & skf21("4","3","3","5","6","3","4","1") = "5"
    & skf21("4","3","3","5","6","3","5","1") = "5"
    & skf21("4","3","3","5","6","3","6","1") = "5"
    & skf21("4","3","3","5","6","3","7","1") = "6"
    & skf21("4","3","3","5","6","4","1","1") = "5"
    & skf21("4","3","3","5","6","4","2","1") = "5"
    & skf21("4","3","3","5","6","4","3","1") = "5"
    & skf21("4","3","3","5","6","4","4","1") = "5"
    & skf21("4","3","3","5","6","4","5","1") = "5"
    & skf21("4","3","3","5","6","4","6","1") = "5"
    & skf21("4","3","3","5","6","4","7","1") = "6"
    & skf21("4","3","3","5","6","5","1","1") = "5"
    & skf21("4","3","3","5","6","5","2","1") = "5"
    & skf21("4","3","3","5","6","5","3","1") = "5"
    & skf21("4","3","3","5","6","5","4","1") = "5"
    & skf21("4","3","3","5","6","5","5","1") = "5"
    & skf21("4","3","3","5","6","5","6","1") = "5"
    & skf21("4","3","3","5","6","5","7","1") = "6"
    & skf21("4","3","3","5","6","6","1","1") = "5"
    & skf21("4","3","3","5","6","6","2","1") = "5"
    & skf21("4","3","3","5","6","6","3","1") = "5"
    & skf21("4","3","3","5","6","6","4","1") = "5"
    & skf21("4","3","3","5","6","6","5","1") = "5"
    & skf21("4","3","3","5","6","6","6","1") = "5"
    & skf21("4","3","3","5","6","6","7","1") = "6"
    & skf21("4","3","3","5","6","7","1","1") = "6"
    & skf21("4","3","3","5","6","7","2","1") = "6"
    & skf21("4","3","3","5","6","7","3","1") = "6"
    & skf21("4","3","3","5","6","7","4","1") = "6"
    & skf21("4","3","3","5","6","7","5","1") = "6"
    & skf21("4","3","3","5","6","7","6","1") = "6"
    & skf21("4","3","3","5","6","7","7","1") = "6"
    & skf21("4","3","3","5","7","1","1","1") = "6"
    & skf21("4","3","3","5","7","1","2","1") = "6"
    & skf21("4","3","3","5","7","1","3","1") = "6"
    & skf21("4","3","3","5","7","1","4","1") = "6"
    & skf21("4","3","3","5","7","1","5","1") = "6"
    & skf21("4","3","3","5","7","1","6","1") = "6"
    & skf21("4","3","3","5","7","1","7","1") = "6"
    & skf21("4","3","3","5","7","2","1","1") = "6"
    & skf21("4","3","3","5","7","2","2","1") = "6"
    & skf21("4","3","3","5","7","2","3","1") = "6"
    & skf21("4","3","3","5","7","2","4","1") = "6"
    & skf21("4","3","3","5","7","2","5","1") = "6"
    & skf21("4","3","3","5","7","2","6","1") = "6"
    & skf21("4","3","3","5","7","2","7","1") = "6"
    & skf21("4","3","3","5","7","3","1","1") = "6"
    & skf21("4","3","3","5","7","3","2","1") = "6"
    & skf21("4","3","3","5","7","3","3","1") = "6"
    & skf21("4","3","3","5","7","3","4","1") = "6"
    & skf21("4","3","3","5","7","3","5","1") = "6"
    & skf21("4","3","3","5","7","3","6","1") = "6"
    & skf21("4","3","3","5","7","3","7","1") = "6"
    & skf21("4","3","3","5","7","4","1","1") = "6"
    & skf21("4","3","3","5","7","4","2","1") = "6"
    & skf21("4","3","3","5","7","4","3","1") = "6"
    & skf21("4","3","3","5","7","4","4","1") = "6"
    & skf21("4","3","3","5","7","4","5","1") = "6"
    & skf21("4","3","3","5","7","4","6","1") = "6"
    & skf21("4","3","3","5","7","4","7","1") = "6"
    & skf21("4","3","3","5","7","5","1","1") = "6"
    & skf21("4","3","3","5","7","5","2","1") = "6"
    & skf21("4","3","3","5","7","5","3","1") = "6"
    & skf21("4","3","3","5","7","5","4","1") = "6"
    & skf21("4","3","3","5","7","5","5","1") = "6"
    & skf21("4","3","3","5","7","5","6","1") = "6"
    & skf21("4","3","3","5","7","5","7","1") = "6"
    & skf21("4","3","3","5","7","6","1","1") = "6"
    & skf21("4","3","3","5","7","6","2","1") = "6"
    & skf21("4","3","3","5","7","6","3","1") = "6"
    & skf21("4","3","3","5","7","6","4","1") = "6"
    & skf21("4","3","3","5","7","6","5","1") = "6"
    & skf21("4","3","3","5","7","6","6","1") = "6"
    & skf21("4","3","3","5","7","6","7","1") = "6"
    & skf21("4","3","3","5","7","7","1","1") = "6"
    & skf21("4","3","3","5","7","7","2","1") = "6"
    & skf21("4","3","3","5","7","7","3","1") = "6"
    & skf21("4","3","3","5","7","7","4","1") = "6"
    & skf21("4","3","3","5","7","7","5","1") = "6"
    & skf21("4","3","3","5","7","7","6","1") = "6"
    & skf21("4","3","3","5","7","7","7","1") = "6"
    & skf21("4","3","3","6","1","1","1","1") = "5"
    & skf21("4","3","3","6","1","1","2","1") = "5"
    & skf21("4","3","3","6","1","1","3","1") = "5"
    & skf21("4","3","3","6","1","1","4","1") = "5"
    & skf21("4","3","3","6","1","1","5","1") = "5"
    & skf21("4","3","3","6","1","1","6","1") = "5"
    & skf21("4","3","3","6","1","1","7","1") = "6"
    & skf21("4","3","3","6","1","2","1","1") = "5"
    & skf21("4","3","3","6","1","2","2","1") = "5"
    & skf21("4","3","3","6","1","2","3","1") = "5"
    & skf21("4","3","3","6","1","2","4","1") = "5"
    & skf21("4","3","3","6","1","2","5","1") = "5"
    & skf21("4","3","3","6","1","2","6","1") = "5"
    & skf21("4","3","3","6","1","2","7","1") = "6"
    & skf21("4","3","3","6","1","3","1","1") = "5"
    & skf21("4","3","3","6","1","3","2","1") = "5"
    & skf21("4","3","3","6","1","3","3","1") = "5"
    & skf21("4","3","3","6","1","3","4","1") = "5"
    & skf21("4","3","3","6","1","3","5","1") = "5"
    & skf21("4","3","3","6","1","3","6","1") = "5"
    & skf21("4","3","3","6","1","3","7","1") = "6"
    & skf21("4","3","3","6","1","4","1","1") = "5"
    & skf21("4","3","3","6","1","4","2","1") = "5"
    & skf21("4","3","3","6","1","4","3","1") = "5"
    & skf21("4","3","3","6","1","4","4","1") = "5"
    & skf21("4","3","3","6","1","4","5","1") = "5"
    & skf21("4","3","3","6","1","4","6","1") = "5"
    & skf21("4","3","3","6","1","4","7","1") = "6"
    & skf21("4","3","3","6","1","5","1","1") = "5"
    & skf21("4","3","3","6","1","5","2","1") = "5"
    & skf21("4","3","3","6","1","5","3","1") = "5"
    & skf21("4","3","3","6","1","5","4","1") = "5"
    & skf21("4","3","3","6","1","5","5","1") = "5"
    & skf21("4","3","3","6","1","5","6","1") = "5"
    & skf21("4","3","3","6","1","5","7","1") = "6"
    & skf21("4","3","3","6","1","6","1","1") = "5"
    & skf21("4","3","3","6","1","6","2","1") = "5"
    & skf21("4","3","3","6","1","6","3","1") = "5"
    & skf21("4","3","3","6","1","6","4","1") = "5"
    & skf21("4","3","3","6","1","6","5","1") = "5"
    & skf21("4","3","3","6","1","6","6","1") = "5"
    & skf21("4","3","3","6","1","6","7","1") = "6"
    & skf21("4","3","3","6","1","7","1","1") = "6"
    & skf21("4","3","3","6","1","7","2","1") = "6"
    & skf21("4","3","3","6","1","7","3","1") = "6"
    & skf21("4","3","3","6","1","7","4","1") = "6"
    & skf21("4","3","3","6","1","7","5","1") = "6"
    & skf21("4","3","3","6","1","7","6","1") = "6"
    & skf21("4","3","3","6","1","7","7","1") = "6"
    & skf21("4","3","3","6","2","1","1","1") = "5"
    & skf21("4","3","3","6","2","1","2","1") = "5"
    & skf21("4","3","3","6","2","1","3","1") = "5"
    & skf21("4","3","3","6","2","1","4","1") = "5"
    & skf21("4","3","3","6","2","1","5","1") = "5"
    & skf21("4","3","3","6","2","1","6","1") = "5"
    & skf21("4","3","3","6","2","1","7","1") = "6"
    & skf21("4","3","3","6","2","2","1","1") = "5"
    & skf21("4","3","3","6","2","2","2","1") = "5"
    & skf21("4","3","3","6","2","2","3","1") = "5"
    & skf21("4","3","3","6","2","2","4","1") = "5"
    & skf21("4","3","3","6","2","2","5","1") = "5"
    & skf21("4","3","3","6","2","2","6","1") = "5"
    & skf21("4","3","3","6","2","2","7","1") = "6"
    & skf21("4","3","3","6","2","3","1","1") = "5"
    & skf21("4","3","3","6","2","3","2","1") = "5"
    & skf21("4","3","3","6","2","3","3","1") = "5"
    & skf21("4","3","3","6","2","3","4","1") = "5"
    & skf21("4","3","3","6","2","3","5","1") = "5"
    & skf21("4","3","3","6","2","3","6","1") = "5"
    & skf21("4","3","3","6","2","3","7","1") = "6"
    & skf21("4","3","3","6","2","4","1","1") = "5"
    & skf21("4","3","3","6","2","4","2","1") = "5"
    & skf21("4","3","3","6","2","4","3","1") = "5"
    & skf21("4","3","3","6","2","4","4","1") = "5"
    & skf21("4","3","3","6","2","4","5","1") = "5"
    & skf21("4","3","3","6","2","4","6","1") = "5"
    & skf21("4","3","3","6","2","4","7","1") = "6"
    & skf21("4","3","3","6","2","5","1","1") = "5"
    & skf21("4","3","3","6","2","5","2","1") = "5"
    & skf21("4","3","3","6","2","5","3","1") = "5"
    & skf21("4","3","3","6","2","5","4","1") = "5"
    & skf21("4","3","3","6","2","5","5","1") = "5"
    & skf21("4","3","3","6","2","5","6","1") = "5"
    & skf21("4","3","3","6","2","5","7","1") = "6"
    & skf21("4","3","3","6","2","6","1","1") = "5"
    & skf21("4","3","3","6","2","6","2","1") = "5"
    & skf21("4","3","3","6","2","6","3","1") = "5"
    & skf21("4","3","3","6","2","6","4","1") = "5"
    & skf21("4","3","3","6","2","6","5","1") = "5"
    & skf21("4","3","3","6","2","6","6","1") = "5"
    & skf21("4","3","3","6","2","6","7","1") = "6"
    & skf21("4","3","3","6","2","7","1","1") = "6"
    & skf21("4","3","3","6","2","7","2","1") = "6"
    & skf21("4","3","3","6","2","7","3","1") = "6"
    & skf21("4","3","3","6","2","7","4","1") = "6"
    & skf21("4","3","3","6","2","7","5","1") = "6"
    & skf21("4","3","3","6","2","7","6","1") = "6"
    & skf21("4","3","3","6","2","7","7","1") = "6"
    & skf21("4","3","3","6","3","1","1","1") = "5"
    & skf21("4","3","3","6","3","1","2","1") = "5"
    & skf21("4","3","3","6","3","1","3","1") = "5"
    & skf21("4","3","3","6","3","1","4","1") = "5"
    & skf21("4","3","3","6","3","1","5","1") = "5"
    & skf21("4","3","3","6","3","1","6","1") = "5"
    & skf21("4","3","3","6","3","1","7","1") = "6"
    & skf21("4","3","3","6","3","2","1","1") = "5"
    & skf21("4","3","3","6","3","2","2","1") = "5"
    & skf21("4","3","3","6","3","2","3","1") = "5"
    & skf21("4","3","3","6","3","2","4","1") = "5"
    & skf21("4","3","3","6","3","2","5","1") = "5"
    & skf21("4","3","3","6","3","2","6","1") = "5"
    & skf21("4","3","3","6","3","2","7","1") = "6"
    & skf21("4","3","3","6","3","3","1","1") = "5"
    & skf21("4","3","3","6","3","3","2","1") = "5"
    & skf21("4","3","3","6","3","3","3","1") = "5"
    & skf21("4","3","3","6","3","3","4","1") = "5"
    & skf21("4","3","3","6","3","3","5","1") = "5"
    & skf21("4","3","3","6","3","3","6","1") = "5"
    & skf21("4","3","3","6","3","3","7","1") = "6"
    & skf21("4","3","3","6","3","4","1","1") = "5"
    & skf21("4","3","3","6","3","4","2","1") = "5"
    & skf21("4","3","3","6","3","4","3","1") = "5"
    & skf21("4","3","3","6","3","4","4","1") = "5"
    & skf21("4","3","3","6","3","4","5","1") = "5"
    & skf21("4","3","3","6","3","4","6","1") = "5"
    & skf21("4","3","3","6","3","4","7","1") = "6"
    & skf21("4","3","3","6","3","5","1","1") = "5"
    & skf21("4","3","3","6","3","5","2","1") = "5"
    & skf21("4","3","3","6","3","5","3","1") = "5"
    & skf21("4","3","3","6","3","5","4","1") = "5"
    & skf21("4","3","3","6","3","5","5","1") = "5"
    & skf21("4","3","3","6","3","5","6","1") = "5"
    & skf21("4","3","3","6","3","5","7","1") = "6"
    & skf21("4","3","3","6","3","6","1","1") = "5"
    & skf21("4","3","3","6","3","6","2","1") = "5"
    & skf21("4","3","3","6","3","6","3","1") = "5"
    & skf21("4","3","3","6","3","6","4","1") = "5"
    & skf21("4","3","3","6","3","6","5","1") = "5"
    & skf21("4","3","3","6","3","6","6","1") = "5"
    & skf21("4","3","3","6","3","6","7","1") = "6"
    & skf21("4","3","3","6","3","7","1","1") = "6"
    & skf21("4","3","3","6","3","7","2","1") = "6"
    & skf21("4","3","3","6","3","7","3","1") = "6"
    & skf21("4","3","3","6","3","7","4","1") = "6"
    & skf21("4","3","3","6","3","7","5","1") = "6"
    & skf21("4","3","3","6","3","7","6","1") = "6"
    & skf21("4","3","3","6","3","7","7","1") = "6"
    & skf21("4","3","3","6","4","1","1","1") = "5"
    & skf21("4","3","3","6","4","1","2","1") = "5"
    & skf21("4","3","3","6","4","1","3","1") = "5"
    & skf21("4","3","3","6","4","1","4","1") = "5"
    & skf21("4","3","3","6","4","1","5","1") = "5"
    & skf21("4","3","3","6","4","1","6","1") = "5"
    & skf21("4","3","3","6","4","1","7","1") = "6"
    & skf21("4","3","3","6","4","2","1","1") = "5"
    & skf21("4","3","3","6","4","2","2","1") = "5"
    & skf21("4","3","3","6","4","2","3","1") = "5"
    & skf21("4","3","3","6","4","2","4","1") = "5"
    & skf21("4","3","3","6","4","2","5","1") = "5"
    & skf21("4","3","3","6","4","2","6","1") = "5"
    & skf21("4","3","3","6","4","2","7","1") = "6"
    & skf21("4","3","3","6","4","3","1","1") = "5"
    & skf21("4","3","3","6","4","3","2","1") = "5"
    & skf21("4","3","3","6","4","3","3","1") = "5"
    & skf21("4","3","3","6","4","3","4","1") = "5"
    & skf21("4","3","3","6","4","3","5","1") = "5"
    & skf21("4","3","3","6","4","3","6","1") = "5"
    & skf21("4","3","3","6","4","3","7","1") = "6"
    & skf21("4","3","3","6","4","4","1","1") = "5"
    & skf21("4","3","3","6","4","4","2","1") = "5"
    & skf21("4","3","3","6","4","4","3","1") = "5"
    & skf21("4","3","3","6","4","4","4","1") = "5"
    & skf21("4","3","3","6","4","4","5","1") = "5"
    & skf21("4","3","3","6","4","4","6","1") = "5"
    & skf21("4","3","3","6","4","4","7","1") = "6"
    & skf21("4","3","3","6","4","5","1","1") = "5"
    & skf21("4","3","3","6","4","5","2","1") = "5"
    & skf21("4","3","3","6","4","5","3","1") = "5"
    & skf21("4","3","3","6","4","5","4","1") = "5"
    & skf21("4","3","3","6","4","5","5","1") = "5"
    & skf21("4","3","3","6","4","5","6","1") = "5"
    & skf21("4","3","3","6","4","5","7","1") = "6"
    & skf21("4","3","3","6","4","6","1","1") = "5"
    & skf21("4","3","3","6","4","6","2","1") = "5"
    & skf21("4","3","3","6","4","6","3","1") = "5"
    & skf21("4","3","3","6","4","6","4","1") = "5"
    & skf21("4","3","3","6","4","6","5","1") = "5"
    & skf21("4","3","3","6","4","6","6","1") = "5"
    & skf21("4","3","3","6","4","6","7","1") = "6"
    & skf21("4","3","3","6","4","7","1","1") = "6"
    & skf21("4","3","3","6","4","7","2","1") = "6"
    & skf21("4","3","3","6","4","7","3","1") = "6"
    & skf21("4","3","3","6","4","7","4","1") = "6"
    & skf21("4","3","3","6","4","7","5","1") = "6"
    & skf21("4","3","3","6","4","7","6","1") = "6"
    & skf21("4","3","3","6","4","7","7","1") = "6"
    & skf21("4","3","3","6","5","1","1","1") = "5"
    & skf21("4","3","3","6","5","1","2","1") = "5"
    & skf21("4","3","3","6","5","1","3","1") = "5"
    & skf21("4","3","3","6","5","1","4","1") = "5"
    & skf21("4","3","3","6","5","1","5","1") = "5"
    & skf21("4","3","3","6","5","1","6","1") = "5"
    & skf21("4","3","3","6","5","1","7","1") = "6"
    & skf21("4","3","3","6","5","2","1","1") = "5"
    & skf21("4","3","3","6","5","2","2","1") = "5"
    & skf21("4","3","3","6","5","2","3","1") = "5"
    & skf21("4","3","3","6","5","2","4","1") = "5"
    & skf21("4","3","3","6","5","2","5","1") = "5"
    & skf21("4","3","3","6","5","2","6","1") = "5"
    & skf21("4","3","3","6","5","2","7","1") = "6"
    & skf21("4","3","3","6","5","3","1","1") = "5"
    & skf21("4","3","3","6","5","3","2","1") = "5"
    & skf21("4","3","3","6","5","3","3","1") = "5"
    & skf21("4","3","3","6","5","3","4","1") = "5"
    & skf21("4","3","3","6","5","3","5","1") = "5"
    & skf21("4","3","3","6","5","3","6","1") = "5"
    & skf21("4","3","3","6","5","3","7","1") = "6"
    & skf21("4","3","3","6","5","4","1","1") = "5"
    & skf21("4","3","3","6","5","4","2","1") = "5"
    & skf21("4","3","3","6","5","4","3","1") = "5"
    & skf21("4","3","3","6","5","4","4","1") = "5"
    & skf21("4","3","3","6","5","4","5","1") = "5"
    & skf21("4","3","3","6","5","4","6","1") = "5"
    & skf21("4","3","3","6","5","4","7","1") = "6"
    & skf21("4","3","3","6","5","5","1","1") = "5"
    & skf21("4","3","3","6","5","5","2","1") = "5"
    & skf21("4","3","3","6","5","5","3","1") = "5"
    & skf21("4","3","3","6","5","5","4","1") = "5"
    & skf21("4","3","3","6","5","5","5","1") = "5"
    & skf21("4","3","3","6","5","5","6","1") = "5"
    & skf21("4","3","3","6","5","5","7","1") = "6"
    & skf21("4","3","3","6","5","6","1","1") = "5"
    & skf21("4","3","3","6","5","6","2","1") = "5"
    & skf21("4","3","3","6","5","6","3","1") = "5"
    & skf21("4","3","3","6","5","6","4","1") = "5"
    & skf21("4","3","3","6","5","6","5","1") = "5"
    & skf21("4","3","3","6","5","6","6","1") = "5"
    & skf21("4","3","3","6","5","6","7","1") = "6"
    & skf21("4","3","3","6","5","7","1","1") = "6"
    & skf21("4","3","3","6","5","7","2","1") = "6"
    & skf21("4","3","3","6","5","7","3","1") = "6"
    & skf21("4","3","3","6","5","7","4","1") = "6"
    & skf21("4","3","3","6","5","7","5","1") = "6"
    & skf21("4","3","3","6","5","7","6","1") = "6"
    & skf21("4","3","3","6","5","7","7","1") = "6"
    & skf21("4","3","3","6","6","1","1","1") = "5"
    & skf21("4","3","3","6","6","1","2","1") = "5"
    & skf21("4","3","3","6","6","1","3","1") = "5"
    & skf21("4","3","3","6","6","1","4","1") = "5"
    & skf21("4","3","3","6","6","1","5","1") = "5"
    & skf21("4","3","3","6","6","1","6","1") = "5"
    & skf21("4","3","3","6","6","1","7","1") = "6"
    & skf21("4","3","3","6","6","2","1","1") = "5"
    & skf21("4","3","3","6","6","2","2","1") = "5"
    & skf21("4","3","3","6","6","2","3","1") = "5"
    & skf21("4","3","3","6","6","2","4","1") = "5"
    & skf21("4","3","3","6","6","2","5","1") = "5"
    & skf21("4","3","3","6","6","2","6","1") = "5"
    & skf21("4","3","3","6","6","2","7","1") = "6"
    & skf21("4","3","3","6","6","3","1","1") = "5"
    & skf21("4","3","3","6","6","3","2","1") = "5"
    & skf21("4","3","3","6","6","3","3","1") = "5"
    & skf21("4","3","3","6","6","3","4","1") = "5"
    & skf21("4","3","3","6","6","3","5","1") = "5"
    & skf21("4","3","3","6","6","3","6","1") = "5"
    & skf21("4","3","3","6","6","3","7","1") = "6"
    & skf21("4","3","3","6","6","4","1","1") = "5"
    & skf21("4","3","3","6","6","4","2","1") = "5"
    & skf21("4","3","3","6","6","4","3","1") = "5"
    & skf21("4","3","3","6","6","4","4","1") = "5"
    & skf21("4","3","3","6","6","4","5","1") = "5"
    & skf21("4","3","3","6","6","4","6","1") = "5"
    & skf21("4","3","3","6","6","4","7","1") = "6"
    & skf21("4","3","3","6","6","5","1","1") = "5"
    & skf21("4","3","3","6","6","5","2","1") = "5"
    & skf21("4","3","3","6","6","5","3","1") = "5"
    & skf21("4","3","3","6","6","5","4","1") = "5"
    & skf21("4","3","3","6","6","5","5","1") = "5"
    & skf21("4","3","3","6","6","5","6","1") = "5"
    & skf21("4","3","3","6","6","5","7","1") = "6"
    & skf21("4","3","3","6","6","6","1","1") = "5"
    & skf21("4","3","3","6","6","6","2","1") = "5"
    & skf21("4","3","3","6","6","6","3","1") = "5"
    & skf21("4","3","3","6","6","6","4","1") = "5"
    & skf21("4","3","3","6","6","6","5","1") = "5"
    & skf21("4","3","3","6","6","6","6","1") = "5"
    & skf21("4","3","3","6","6","6","7","1") = "6"
    & skf21("4","3","3","6","6","7","1","1") = "6"
    & skf21("4","3","3","6","6","7","2","1") = "6"
    & skf21("4","3","3","6","6","7","3","1") = "6"
    & skf21("4","3","3","6","6","7","4","1") = "6"
    & skf21("4","3","3","6","6","7","5","1") = "6"
    & skf21("4","3","3","6","6","7","6","1") = "6"
    & skf21("4","3","3","6","6","7","7","1") = "6"
    & skf21("4","3","3","6","7","1","1","1") = "6"
    & skf21("4","3","3","6","7","1","2","1") = "6"
    & skf21("4","3","3","6","7","1","3","1") = "6"
    & skf21("4","3","3","6","7","1","4","1") = "6"
    & skf21("4","3","3","6","7","1","5","1") = "6"
    & skf21("4","3","3","6","7","1","6","1") = "6"
    & skf21("4","3","3","6","7","1","7","1") = "6"
    & skf21("4","3","3","6","7","2","1","1") = "6"
    & skf21("4","3","3","6","7","2","2","1") = "6"
    & skf21("4","3","3","6","7","2","3","1") = "6"
    & skf21("4","3","3","6","7","2","4","1") = "6"
    & skf21("4","3","3","6","7","2","5","1") = "6"
    & skf21("4","3","3","6","7","2","6","1") = "6"
    & skf21("4","3","3","6","7","2","7","1") = "6"
    & skf21("4","3","3","6","7","3","1","1") = "6"
    & skf21("4","3","3","6","7","3","2","1") = "6"
    & skf21("4","3","3","6","7","3","3","1") = "6"
    & skf21("4","3","3","6","7","3","4","1") = "6"
    & skf21("4","3","3","6","7","3","5","1") = "6"
    & skf21("4","3","3","6","7","3","6","1") = "6"
    & skf21("4","3","3","6","7","3","7","1") = "6"
    & skf21("4","3","3","6","7","4","1","1") = "6"
    & skf21("4","3","3","6","7","4","2","1") = "6"
    & skf21("4","3","3","6","7","4","3","1") = "6"
    & skf21("4","3","3","6","7","4","4","1") = "6"
    & skf21("4","3","3","6","7","4","5","1") = "6"
    & skf21("4","3","3","6","7","4","6","1") = "6"
    & skf21("4","3","3","6","7","4","7","1") = "6"
    & skf21("4","3","3","6","7","5","1","1") = "6"
    & skf21("4","3","3","6","7","5","2","1") = "6"
    & skf21("4","3","3","6","7","5","3","1") = "6"
    & skf21("4","3","3","6","7","5","4","1") = "6"
    & skf21("4","3","3","6","7","5","5","1") = "6"
    & skf21("4","3","3","6","7","5","6","1") = "6"
    & skf21("4","3","3","6","7","5","7","1") = "6"
    & skf21("4","3","3","6","7","6","1","1") = "6"
    & skf21("4","3","3","6","7","6","2","1") = "6"
    & skf21("4","3","3","6","7","6","3","1") = "6"
    & skf21("4","3","3","6","7","6","4","1") = "6"
    & skf21("4","3","3","6","7","6","5","1") = "6"
    & skf21("4","3","3","6","7","6","6","1") = "6"
    & skf21("4","3","3","6","7","6","7","1") = "6"
    & skf21("4","3","3","6","7","7","1","1") = "6"
    & skf21("4","3","3","6","7","7","2","1") = "6"
    & skf21("4","3","3","6","7","7","3","1") = "6"
    & skf21("4","3","3","6","7","7","4","1") = "6"
    & skf21("4","3","3","6","7","7","5","1") = "6"
    & skf21("4","3","3","6","7","7","6","1") = "6"
    & skf21("4","3","3","6","7","7","7","1") = "6"
    & skf21("4","3","3","7","1","1","1","1") = "6"
    & skf21("4","3","3","7","1","1","2","1") = "6"
    & skf21("4","3","3","7","1","1","3","1") = "6"
    & skf21("4","3","3","7","1","1","4","1") = "6"
    & skf21("4","3","3","7","1","1","5","1") = "6"
    & skf21("4","3","3","7","1","1","6","1") = "6"
    & skf21("4","3","3","7","1","1","7","1") = "6"
    & skf21("4","3","3","7","1","2","1","1") = "6"
    & skf21("4","3","3","7","1","2","2","1") = "6"
    & skf21("4","3","3","7","1","2","3","1") = "6"
    & skf21("4","3","3","7","1","2","4","1") = "6"
    & skf21("4","3","3","7","1","2","5","1") = "6"
    & skf21("4","3","3","7","1","2","6","1") = "6"
    & skf21("4","3","3","7","1","2","7","1") = "6"
    & skf21("4","3","3","7","1","3","1","1") = "6"
    & skf21("4","3","3","7","1","3","2","1") = "6"
    & skf21("4","3","3","7","1","3","3","1") = "6"
    & skf21("4","3","3","7","1","3","4","1") = "6"
    & skf21("4","3","3","7","1","3","5","1") = "6"
    & skf21("4","3","3","7","1","3","6","1") = "6"
    & skf21("4","3","3","7","1","3","7","1") = "6"
    & skf21("4","3","3","7","1","4","1","1") = "6"
    & skf21("4","3","3","7","1","4","2","1") = "6"
    & skf21("4","3","3","7","1","4","3","1") = "6"
    & skf21("4","3","3","7","1","4","4","1") = "6"
    & skf21("4","3","3","7","1","4","5","1") = "6"
    & skf21("4","3","3","7","1","4","6","1") = "6"
    & skf21("4","3","3","7","1","4","7","1") = "6"
    & skf21("4","3","3","7","1","5","1","1") = "6"
    & skf21("4","3","3","7","1","5","2","1") = "6"
    & skf21("4","3","3","7","1","5","3","1") = "6"
    & skf21("4","3","3","7","1","5","4","1") = "6"
    & skf21("4","3","3","7","1","5","5","1") = "6"
    & skf21("4","3","3","7","1","5","6","1") = "6"
    & skf21("4","3","3","7","1","5","7","1") = "6"
    & skf21("4","3","3","7","1","6","1","1") = "6"
    & skf21("4","3","3","7","1","6","2","1") = "6"
    & skf21("4","3","3","7","1","6","3","1") = "6"
    & skf21("4","3","3","7","1","6","4","1") = "6"
    & skf21("4","3","3","7","1","6","5","1") = "6"
    & skf21("4","3","3","7","1","6","6","1") = "6"
    & skf21("4","3","3","7","1","6","7","1") = "6"
    & skf21("4","3","3","7","1","7","1","1") = "6"
    & skf21("4","3","3","7","1","7","2","1") = "6"
    & skf21("4","3","3","7","1","7","3","1") = "6"
    & skf21("4","3","3","7","1","7","4","1") = "6"
    & skf21("4","3","3","7","1","7","5","1") = "6"
    & skf21("4","3","3","7","1","7","6","1") = "6"
    & skf21("4","3","3","7","1","7","7","1") = "6"
    & skf21("4","3","3","7","2","1","1","1") = "6"
    & skf21("4","3","3","7","2","1","2","1") = "6"
    & skf21("4","3","3","7","2","1","3","1") = "6"
    & skf21("4","3","3","7","2","1","4","1") = "6"
    & skf21("4","3","3","7","2","1","5","1") = "6"
    & skf21("4","3","3","7","2","1","6","1") = "6"
    & skf21("4","3","3","7","2","1","7","1") = "6"
    & skf21("4","3","3","7","2","2","1","1") = "6"
    & skf21("4","3","3","7","2","2","2","1") = "6"
    & skf21("4","3","3","7","2","2","3","1") = "6"
    & skf21("4","3","3","7","2","2","4","1") = "6"
    & skf21("4","3","3","7","2","2","5","1") = "6"
    & skf21("4","3","3","7","2","2","6","1") = "6"
    & skf21("4","3","3","7","2","2","7","1") = "6"
    & skf21("4","3","3","7","2","3","1","1") = "6"
    & skf21("4","3","3","7","2","3","2","1") = "6"
    & skf21("4","3","3","7","2","3","3","1") = "6"
    & skf21("4","3","3","7","2","3","4","1") = "6"
    & skf21("4","3","3","7","2","3","5","1") = "6"
    & skf21("4","3","3","7","2","3","6","1") = "6"
    & skf21("4","3","3","7","2","3","7","1") = "6"
    & skf21("4","3","3","7","2","4","1","1") = "6"
    & skf21("4","3","3","7","2","4","2","1") = "6"
    & skf21("4","3","3","7","2","4","3","1") = "6"
    & skf21("4","3","3","7","2","4","4","1") = "6"
    & skf21("4","3","3","7","2","4","5","1") = "6"
    & skf21("4","3","3","7","2","4","6","1") = "6"
    & skf21("4","3","3","7","2","4","7","1") = "6"
    & skf21("4","3","3","7","2","5","1","1") = "6"
    & skf21("4","3","3","7","2","5","2","1") = "6"
    & skf21("4","3","3","7","2","5","3","1") = "6"
    & skf21("4","3","3","7","2","5","4","1") = "6"
    & skf21("4","3","3","7","2","5","5","1") = "6"
    & skf21("4","3","3","7","2","5","6","1") = "6"
    & skf21("4","3","3","7","2","5","7","1") = "6"
    & skf21("4","3","3","7","2","6","1","1") = "6"
    & skf21("4","3","3","7","2","6","2","1") = "6"
    & skf21("4","3","3","7","2","6","3","1") = "6"
    & skf21("4","3","3","7","2","6","4","1") = "6"
    & skf21("4","3","3","7","2","6","5","1") = "6"
    & skf21("4","3","3","7","2","6","6","1") = "6"
    & skf21("4","3","3","7","2","6","7","1") = "6"
    & skf21("4","3","3","7","2","7","1","1") = "6"
    & skf21("4","3","3","7","2","7","2","1") = "6"
    & skf21("4","3","3","7","2","7","3","1") = "6"
    & skf21("4","3","3","7","2","7","4","1") = "6"
    & skf21("4","3","3","7","2","7","5","1") = "6"
    & skf21("4","3","3","7","2","7","6","1") = "6"
    & skf21("4","3","3","7","2","7","7","1") = "6"
    & skf21("4","3","3","7","3","1","1","1") = "6"
    & skf21("4","3","3","7","3","1","2","1") = "6"
    & skf21("4","3","3","7","3","1","3","1") = "6"
    & skf21("4","3","3","7","3","1","4","1") = "6"
    & skf21("4","3","3","7","3","1","5","1") = "6"
    & skf21("4","3","3","7","3","1","6","1") = "6"
    & skf21("4","3","3","7","3","1","7","1") = "6"
    & skf21("4","3","3","7","3","2","1","1") = "6"
    & skf21("4","3","3","7","3","2","2","1") = "6"
    & skf21("4","3","3","7","3","2","3","1") = "6"
    & skf21("4","3","3","7","3","2","4","1") = "6"
    & skf21("4","3","3","7","3","2","5","1") = "6"
    & skf21("4","3","3","7","3","2","6","1") = "6"
    & skf21("4","3","3","7","3","2","7","1") = "6"
    & skf21("4","3","3","7","3","3","1","1") = "6"
    & skf21("4","3","3","7","3","3","2","1") = "6"
    & skf21("4","3","3","7","3","3","3","1") = "6"
    & skf21("4","3","3","7","3","3","4","1") = "6"
    & skf21("4","3","3","7","3","3","5","1") = "6"
    & skf21("4","3","3","7","3","3","6","1") = "6"
    & skf21("4","3","3","7","3","3","7","1") = "6"
    & skf21("4","3","3","7","3","4","1","1") = "6"
    & skf21("4","3","3","7","3","4","2","1") = "6"
    & skf21("4","3","3","7","3","4","3","1") = "6"
    & skf21("4","3","3","7","3","4","4","1") = "6"
    & skf21("4","3","3","7","3","4","5","1") = "6"
    & skf21("4","3","3","7","3","4","6","1") = "6"
    & skf21("4","3","3","7","3","4","7","1") = "6"
    & skf21("4","3","3","7","3","5","1","1") = "6"
    & skf21("4","3","3","7","3","5","2","1") = "6"
    & skf21("4","3","3","7","3","5","3","1") = "6"
    & skf21("4","3","3","7","3","5","4","1") = "6"
    & skf21("4","3","3","7","3","5","5","1") = "6"
    & skf21("4","3","3","7","3","5","6","1") = "6"
    & skf21("4","3","3","7","3","5","7","1") = "6"
    & skf21("4","3","3","7","3","6","1","1") = "6"
    & skf21("4","3","3","7","3","6","2","1") = "6"
    & skf21("4","3","3","7","3","6","3","1") = "6"
    & skf21("4","3","3","7","3","6","4","1") = "6"
    & skf21("4","3","3","7","3","6","5","1") = "6"
    & skf21("4","3","3","7","3","6","6","1") = "6"
    & skf21("4","3","3","7","3","6","7","1") = "6"
    & skf21("4","3","3","7","3","7","1","1") = "6"
    & skf21("4","3","3","7","3","7","2","1") = "6"
    & skf21("4","3","3","7","3","7","3","1") = "6"
    & skf21("4","3","3","7","3","7","4","1") = "6"
    & skf21("4","3","3","7","3","7","5","1") = "6"
    & skf21("4","3","3","7","3","7","6","1") = "6"
    & skf21("4","3","3","7","3","7","7","1") = "6"
    & skf21("4","3","3","7","4","1","1","1") = "6"
    & skf21("4","3","3","7","4","1","2","1") = "6"
    & skf21("4","3","3","7","4","1","3","1") = "6"
    & skf21("4","3","3","7","4","1","4","1") = "6"
    & skf21("4","3","3","7","4","1","5","1") = "6"
    & skf21("4","3","3","7","4","1","6","1") = "6"
    & skf21("4","3","3","7","4","1","7","1") = "6"
    & skf21("4","3","3","7","4","2","1","1") = "6"
    & skf21("4","3","3","7","4","2","2","1") = "6"
    & skf21("4","3","3","7","4","2","3","1") = "6"
    & skf21("4","3","3","7","4","2","4","1") = "6"
    & skf21("4","3","3","7","4","2","5","1") = "6"
    & skf21("4","3","3","7","4","2","6","1") = "6"
    & skf21("4","3","3","7","4","2","7","1") = "6"
    & skf21("4","3","3","7","4","3","1","1") = "6"
    & skf21("4","3","3","7","4","3","2","1") = "6"
    & skf21("4","3","3","7","4","3","3","1") = "6"
    & skf21("4","3","3","7","4","3","4","1") = "6"
    & skf21("4","3","3","7","4","3","5","1") = "6"
    & skf21("4","3","3","7","4","3","6","1") = "6"
    & skf21("4","3","3","7","4","3","7","1") = "6"
    & skf21("4","3","3","7","4","4","1","1") = "6"
    & skf21("4","3","3","7","4","4","2","1") = "6"
    & skf21("4","3","3","7","4","4","3","1") = "6"
    & skf21("4","3","3","7","4","4","4","1") = "6"
    & skf21("4","3","3","7","4","4","5","1") = "6"
    & skf21("4","3","3","7","4","4","6","1") = "6"
    & skf21("4","3","3","7","4","4","7","1") = "6"
    & skf21("4","3","3","7","4","5","1","1") = "6"
    & skf21("4","3","3","7","4","5","2","1") = "6"
    & skf21("4","3","3","7","4","5","3","1") = "6"
    & skf21("4","3","3","7","4","5","4","1") = "6"
    & skf21("4","3","3","7","4","5","5","1") = "6"
    & skf21("4","3","3","7","4","5","6","1") = "6"
    & skf21("4","3","3","7","4","5","7","1") = "6"
    & skf21("4","3","3","7","4","6","1","1") = "6"
    & skf21("4","3","3","7","4","6","2","1") = "6"
    & skf21("4","3","3","7","4","6","3","1") = "6"
    & skf21("4","3","3","7","4","6","4","1") = "6"
    & skf21("4","3","3","7","4","6","5","1") = "6"
    & skf21("4","3","3","7","4","6","6","1") = "6"
    & skf21("4","3","3","7","4","6","7","1") = "6"
    & skf21("4","3","3","7","4","7","1","1") = "6"
    & skf21("4","3","3","7","4","7","2","1") = "6"
    & skf21("4","3","3","7","4","7","3","1") = "6"
    & skf21("4","3","3","7","4","7","4","1") = "6"
    & skf21("4","3","3","7","4","7","5","1") = "6"
    & skf21("4","3","3","7","4","7","6","1") = "6"
    & skf21("4","3","3","7","4","7","7","1") = "6"
    & skf21("4","3","3","7","5","1","1","1") = "6"
    & skf21("4","3","3","7","5","1","2","1") = "6"
    & skf21("4","3","3","7","5","1","3","1") = "6"
    & skf21("4","3","3","7","5","1","4","1") = "6"
    & skf21("4","3","3","7","5","1","5","1") = "6"
    & skf21("4","3","3","7","5","1","6","1") = "6"
    & skf21("4","3","3","7","5","1","7","1") = "6"
    & skf21("4","3","3","7","5","2","1","1") = "6"
    & skf21("4","3","3","7","5","2","2","1") = "6"
    & skf21("4","3","3","7","5","2","3","1") = "6"
    & skf21("4","3","3","7","5","2","4","1") = "6"
    & skf21("4","3","3","7","5","2","5","1") = "6"
    & skf21("4","3","3","7","5","2","6","1") = "6"
    & skf21("4","3","3","7","5","2","7","1") = "6"
    & skf21("4","3","3","7","5","3","1","1") = "6"
    & skf21("4","3","3","7","5","3","2","1") = "6"
    & skf21("4","3","3","7","5","3","3","1") = "6"
    & skf21("4","3","3","7","5","3","4","1") = "6"
    & skf21("4","3","3","7","5","3","5","1") = "6"
    & skf21("4","3","3","7","5","3","6","1") = "6"
    & skf21("4","3","3","7","5","3","7","1") = "6"
    & skf21("4","3","3","7","5","4","1","1") = "6"
    & skf21("4","3","3","7","5","4","2","1") = "6"
    & skf21("4","3","3","7","5","4","3","1") = "6"
    & skf21("4","3","3","7","5","4","4","1") = "6"
    & skf21("4","3","3","7","5","4","5","1") = "6"
    & skf21("4","3","3","7","5","4","6","1") = "6"
    & skf21("4","3","3","7","5","4","7","1") = "6"
    & skf21("4","3","3","7","5","5","1","1") = "6"
    & skf21("4","3","3","7","5","5","2","1") = "6"
    & skf21("4","3","3","7","5","5","3","1") = "6"
    & skf21("4","3","3","7","5","5","4","1") = "6"
    & skf21("4","3","3","7","5","5","5","1") = "6"
    & skf21("4","3","3","7","5","5","6","1") = "6"
    & skf21("4","3","3","7","5","5","7","1") = "6"
    & skf21("4","3","3","7","5","6","1","1") = "6"
    & skf21("4","3","3","7","5","6","2","1") = "6"
    & skf21("4","3","3","7","5","6","3","1") = "6"
    & skf21("4","3","3","7","5","6","4","1") = "6"
    & skf21("4","3","3","7","5","6","5","1") = "6"
    & skf21("4","3","3","7","5","6","6","1") = "6"
    & skf21("4","3","3","7","5","6","7","1") = "6"
    & skf21("4","3","3","7","5","7","1","1") = "6"
    & skf21("4","3","3","7","5","7","2","1") = "6"
    & skf21("4","3","3","7","5","7","3","1") = "6"
    & skf21("4","3","3","7","5","7","4","1") = "6"
    & skf21("4","3","3","7","5","7","5","1") = "6"
    & skf21("4","3","3","7","5","7","6","1") = "6"
    & skf21("4","3","3","7","5","7","7","1") = "6"
    & skf21("4","3","3","7","6","1","1","1") = "6"
    & skf21("4","3","3","7","6","1","2","1") = "6"
    & skf21("4","3","3","7","6","1","3","1") = "6"
    & skf21("4","3","3","7","6","1","4","1") = "6"
    & skf21("4","3","3","7","6","1","5","1") = "6"
    & skf21("4","3","3","7","6","1","6","1") = "6"
    & skf21("4","3","3","7","6","1","7","1") = "6"
    & skf21("4","3","3","7","6","2","1","1") = "6"
    & skf21("4","3","3","7","6","2","2","1") = "6"
    & skf21("4","3","3","7","6","2","3","1") = "6"
    & skf21("4","3","3","7","6","2","4","1") = "6"
    & skf21("4","3","3","7","6","2","5","1") = "6"
    & skf21("4","3","3","7","6","2","6","1") = "6"
    & skf21("4","3","3","7","6","2","7","1") = "6"
    & skf21("4","3","3","7","6","3","1","1") = "6"
    & skf21("4","3","3","7","6","3","2","1") = "6"
    & skf21("4","3","3","7","6","3","3","1") = "6"
    & skf21("4","3","3","7","6","3","4","1") = "6"
    & skf21("4","3","3","7","6","3","5","1") = "6"
    & skf21("4","3","3","7","6","3","6","1") = "6"
    & skf21("4","3","3","7","6","3","7","1") = "6"
    & skf21("4","3","3","7","6","4","1","1") = "6"
    & skf21("4","3","3","7","6","4","2","1") = "6"
    & skf21("4","3","3","7","6","4","3","1") = "6"
    & skf21("4","3","3","7","6","4","4","1") = "6"
    & skf21("4","3","3","7","6","4","5","1") = "6"
    & skf21("4","3","3","7","6","4","6","1") = "6"
    & skf21("4","3","3","7","6","4","7","1") = "6"
    & skf21("4","3","3","7","6","5","1","1") = "6"
    & skf21("4","3","3","7","6","5","2","1") = "6"
    & skf21("4","3","3","7","6","5","3","1") = "6"
    & skf21("4","3","3","7","6","5","4","1") = "6"
    & skf21("4","3","3","7","6","5","5","1") = "6"
    & skf21("4","3","3","7","6","5","6","1") = "6"
    & skf21("4","3","3","7","6","5","7","1") = "6"
    & skf21("4","3","3","7","6","6","1","1") = "6"
    & skf21("4","3","3","7","6","6","2","1") = "6"
    & skf21("4","3","3","7","6","6","3","1") = "6"
    & skf21("4","3","3","7","6","6","4","1") = "6"
    & skf21("4","3","3","7","6","6","5","1") = "6"
    & skf21("4","3","3","7","6","6","6","1") = "6"
    & skf21("4","3","3","7","6","6","7","1") = "6"
    & skf21("4","3","3","7","6","7","1","1") = "6"
    & skf21("4","3","3","7","6","7","2","1") = "6"
    & skf21("4","3","3","7","6","7","3","1") = "6"
    & skf21("4","3","3","7","6","7","4","1") = "6"
    & skf21("4","3","3","7","6","7","5","1") = "6"
    & skf21("4","3","3","7","6","7","6","1") = "6"
    & skf21("4","3","3","7","6","7","7","1") = "6"
    & skf21("4","3","3","7","7","1","1","1") = "6"
    & skf21("4","3","3","7","7","1","2","1") = "6"
    & skf21("4","3","3","7","7","1","3","1") = "6"
    & skf21("4","3","3","7","7","1","4","1") = "6"
    & skf21("4","3","3","7","7","1","5","1") = "6"
    & skf21("4","3","3","7","7","1","6","1") = "6"
    & skf21("4","3","3","7","7","1","7","1") = "6"
    & skf21("4","3","3","7","7","2","1","1") = "6"
    & skf21("4","3","3","7","7","2","2","1") = "6"
    & skf21("4","3","3","7","7","2","3","1") = "6"
    & skf21("4","3","3","7","7","2","4","1") = "6"
    & skf21("4","3","3","7","7","2","5","1") = "6"
    & skf21("4","3","3","7","7","2","6","1") = "6"
    & skf21("4","3","3","7","7","2","7","1") = "6"
    & skf21("4","3","3","7","7","3","1","1") = "6"
    & skf21("4","3","3","7","7","3","2","1") = "6"
    & skf21("4","3","3","7","7","3","3","1") = "6"
    & skf21("4","3","3","7","7","3","4","1") = "6"
    & skf21("4","3","3","7","7","3","5","1") = "6"
    & skf21("4","3","3","7","7","3","6","1") = "6"
    & skf21("4","3","3","7","7","3","7","1") = "6"
    & skf21("4","3","3","7","7","4","1","1") = "6"
    & skf21("4","3","3","7","7","4","2","1") = "6"
    & skf21("4","3","3","7","7","4","3","1") = "6"
    & skf21("4","3","3","7","7","4","4","1") = "6"
    & skf21("4","3","3","7","7","4","5","1") = "6"
    & skf21("4","3","3","7","7","4","6","1") = "6"
    & skf21("4","3","3","7","7","4","7","1") = "6"
    & skf21("4","3","3","7","7","5","1","1") = "6"
    & skf21("4","3","3","7","7","5","2","1") = "6"
    & skf21("4","3","3","7","7","5","3","1") = "6"
    & skf21("4","3","3","7","7","5","4","1") = "6"
    & skf21("4","3","3","7","7","5","5","1") = "6"
    & skf21("4","3","3","7","7","5","6","1") = "6"
    & skf21("4","3","3","7","7","5","7","1") = "6"
    & skf21("4","3","3","7","7","6","1","1") = "6"
    & skf21("4","3","3","7","7","6","2","1") = "6"
    & skf21("4","3","3","7","7","6","3","1") = "6"
    & skf21("4","3","3","7","7","6","4","1") = "6"
    & skf21("4","3","3","7","7","6","5","1") = "6"
    & skf21("4","3","3","7","7","6","6","1") = "6"
    & skf21("4","3","3","7","7","6","7","1") = "6"
    & skf21("4","3","3","7","7","7","1","1") = "6"
    & skf21("4","3","3","7","7","7","2","1") = "6"
    & skf21("4","3","3","7","7","7","3","1") = "6"
    & skf21("4","3","3","7","7","7","4","1") = "6"
    & skf21("4","3","3","7","7","7","5","1") = "6"
    & skf21("4","3","3","7","7","7","6","1") = "6"
    & skf21("4","3","3","7","7","7","7","1") = "6"
    & skf21("4","3","4","1","1","1","1","1") = "3"
    & skf21("4","3","4","1","1","1","2","1") = "3"
    & skf21("4","3","4","1","1","1","3","1") = "3"
    & skf21("4","3","4","1","1","1","4","1") = "3"
    & skf21("4","3","4","1","1","1","5","1") = "4"
    & skf21("4","3","4","1","1","1","6","1") = "5"
    & skf21("4","3","4","1","1","1","7","1") = "6"
    & skf21("4","3","4","1","1","2","1","1") = "3"
    & skf21("4","3","4","1","1","2","2","1") = "3"
    & skf21("4","3","4","1","1","2","3","1") = "3"
    & skf21("4","3","4","1","1","2","4","1") = "3"
    & skf21("4","3","4","1","1","2","5","1") = "4"
    & skf21("4","3","4","1","1","2","6","1") = "5"
    & skf21("4","3","4","1","1","2","7","1") = "6"
    & skf21("4","3","4","1","1","3","1","1") = "3"
    & skf21("4","3","4","1","1","3","2","1") = "3"
    & skf21("4","3","4","1","1","3","3","1") = "3"
    & skf21("4","3","4","1","1","3","4","1") = "3"
    & skf21("4","3","4","1","1","3","5","1") = "4"
    & skf21("4","3","4","1","1","3","6","1") = "5"
    & skf21("4","3","4","1","1","3","7","1") = "6"
    & skf21("4","3","4","1","1","4","1","1") = "3"
    & skf21("4","3","4","1","1","4","2","1") = "3"
    & skf21("4","3","4","1","1","4","3","1") = "3"
    & skf21("4","3","4","1","1","4","4","1") = "3"
    & skf21("4","3","4","1","1","4","5","1") = "4"
    & skf21("4","3","4","1","1","4","6","1") = "5"
    & skf21("4","3","4","1","1","4","7","1") = "6"
    & skf21("4","3","4","1","1","5","1","1") = "4"
    & skf21("4","3","4","1","1","5","2","1") = "4"
    & skf21("4","3","4","1","1","5","3","1") = "4"
    & skf21("4","3","4","1","1","5","4","1") = "4"
    & skf21("4","3","4","1","1","5","5","1") = "4"
    & skf21("4","3","4","1","1","5","6","1") = "5"
    & skf21("4","3","4","1","1","5","7","1") = "6"
    & skf21("4","3","4","1","1","6","1","1") = "5"
    & skf21("4","3","4","1","1","6","2","1") = "5"
    & skf21("4","3","4","1","1","6","3","1") = "5"
    & skf21("4","3","4","1","1","6","4","1") = "5"
    & skf21("4","3","4","1","1","6","5","1") = "5"
    & skf21("4","3","4","1","1","6","6","1") = "5"
    & skf21("4","3","4","1","1","6","7","1") = "6"
    & skf21("4","3","4","1","1","7","1","1") = "6"
    & skf21("4","3","4","1","1","7","2","1") = "6"
    & skf21("4","3","4","1","1","7","3","1") = "6"
    & skf21("4","3","4","1","1","7","4","1") = "6"
    & skf21("4","3","4","1","1","7","5","1") = "6"
    & skf21("4","3","4","1","1","7","6","1") = "6"
    & skf21("4","3","4","1","1","7","7","1") = "6"
    & skf21("4","3","4","1","2","1","1","1") = "3"
    & skf21("4","3","4","1","2","1","2","1") = "3"
    & skf21("4","3","4","1","2","1","3","1") = "3"
    & skf21("4","3","4","1","2","1","4","1") = "3"
    & skf21("4","3","4","1","2","1","5","1") = "4"
    & skf21("4","3","4","1","2","1","6","1") = "5"
    & skf21("4","3","4","1","2","1","7","1") = "6"
    & skf21("4","3","4","1","2","2","1","1") = "3"
    & skf21("4","3","4","1","2","2","2","1") = "3"
    & skf21("4","3","4","1","2","2","3","1") = "3"
    & skf21("4","3","4","1","2","2","4","1") = "3"
    & skf21("4","3","4","1","2","2","5","1") = "4"
    & skf21("4","3","4","1","2","2","6","1") = "5"
    & skf21("4","3","4","1","2","2","7","1") = "6"
    & skf21("4","3","4","1","2","3","1","1") = "3"
    & skf21("4","3","4","1","2","3","2","1") = "3"
    & skf21("4","3","4","1","2","3","3","1") = "3"
    & skf21("4","3","4","1","2","3","4","1") = "3"
    & skf21("4","3","4","1","2","3","5","1") = "4"
    & skf21("4","3","4","1","2","3","6","1") = "5"
    & skf21("4","3","4","1","2","3","7","1") = "6"
    & skf21("4","3","4","1","2","4","1","1") = "3"
    & skf21("4","3","4","1","2","4","2","1") = "3"
    & skf21("4","3","4","1","2","4","3","1") = "3"
    & skf21("4","3","4","1","2","4","4","1") = "3"
    & skf21("4","3","4","1","2","4","5","1") = "4"
    & skf21("4","3","4","1","2","4","6","1") = "5"
    & skf21("4","3","4","1","2","4","7","1") = "6"
    & skf21("4","3","4","1","2","5","1","1") = "4"
    & skf21("4","3","4","1","2","5","2","1") = "4"
    & skf21("4","3","4","1","2","5","3","1") = "4"
    & skf21("4","3","4","1","2","5","4","1") = "4"
    & skf21("4","3","4","1","2","5","5","1") = "4"
    & skf21("4","3","4","1","2","5","6","1") = "5"
    & skf21("4","3","4","1","2","5","7","1") = "6"
    & skf21("4","3","4","1","2","6","1","1") = "5"
    & skf21("4","3","4","1","2","6","2","1") = "5"
    & skf21("4","3","4","1","2","6","3","1") = "5"
    & skf21("4","3","4","1","2","6","4","1") = "5"
    & skf21("4","3","4","1","2","6","5","1") = "5"
    & skf21("4","3","4","1","2","6","6","1") = "5"
    & skf21("4","3","4","1","2","6","7","1") = "6"
    & skf21("4","3","4","1","2","7","1","1") = "6"
    & skf21("4","3","4","1","2","7","2","1") = "6"
    & skf21("4","3","4","1","2","7","3","1") = "6"
    & skf21("4","3","4","1","2","7","4","1") = "6"
    & skf21("4","3","4","1","2","7","5","1") = "6"
    & skf21("4","3","4","1","2","7","6","1") = "6"
    & skf21("4","3","4","1","2","7","7","1") = "6"
    & skf21("4","3","4","1","3","1","1","1") = "3"
    & skf21("4","3","4","1","3","1","2","1") = "3"
    & skf21("4","3","4","1","3","1","3","1") = "3"
    & skf21("4","3","4","1","3","1","4","1") = "3"
    & skf21("4","3","4","1","3","1","5","1") = "4"
    & skf21("4","3","4","1","3","1","6","1") = "5"
    & skf21("4","3","4","1","3","1","7","1") = "6"
    & skf21("4","3","4","1","3","2","1","1") = "3"
    & skf21("4","3","4","1","3","2","2","1") = "3"
    & skf21("4","3","4","1","3","2","3","1") = "3"
    & skf21("4","3","4","1","3","2","4","1") = "3"
    & skf21("4","3","4","1","3","2","5","1") = "4"
    & skf21("4","3","4","1","3","2","6","1") = "5"
    & skf21("4","3","4","1","3","2","7","1") = "6"
    & skf21("4","3","4","1","3","3","1","1") = "3"
    & skf21("4","3","4","1","3","3","2","1") = "3"
    & skf21("4","3","4","1","3","3","3","1") = "3"
    & skf21("4","3","4","1","3","3","4","1") = "3"
    & skf21("4","3","4","1","3","3","5","1") = "4"
    & skf21("4","3","4","1","3","3","6","1") = "5"
    & skf21("4","3","4","1","3","3","7","1") = "6"
    & skf21("4","3","4","1","3","4","1","1") = "3"
    & skf21("4","3","4","1","3","4","2","1") = "3"
    & skf21("4","3","4","1","3","4","3","1") = "3"
    & skf21("4","3","4","1","3","4","4","1") = "3"
    & skf21("4","3","4","1","3","4","5","1") = "4"
    & skf21("4","3","4","1","3","4","6","1") = "5"
    & skf21("4","3","4","1","3","4","7","1") = "6"
    & skf21("4","3","4","1","3","5","1","1") = "4"
    & skf21("4","3","4","1","3","5","2","1") = "4"
    & skf21("4","3","4","1","3","5","3","1") = "4"
    & skf21("4","3","4","1","3","5","4","1") = "4"
    & skf21("4","3","4","1","3","5","5","1") = "4"
    & skf21("4","3","4","1","3","5","6","1") = "5"
    & skf21("4","3","4","1","3","5","7","1") = "6"
    & skf21("4","3","4","1","3","6","1","1") = "5"
    & skf21("4","3","4","1","3","6","2","1") = "5"
    & skf21("4","3","4","1","3","6","3","1") = "5"
    & skf21("4","3","4","1","3","6","4","1") = "5"
    & skf21("4","3","4","1","3","6","5","1") = "5"
    & skf21("4","3","4","1","3","6","6","1") = "5"
    & skf21("4","3","4","1","3","6","7","1") = "6"
    & skf21("4","3","4","1","3","7","1","1") = "6"
    & skf21("4","3","4","1","3","7","2","1") = "6"
    & skf21("4","3","4","1","3","7","3","1") = "6"
    & skf21("4","3","4","1","3","7","4","1") = "6"
    & skf21("4","3","4","1","3","7","5","1") = "6"
    & skf21("4","3","4","1","3","7","6","1") = "6"
    & skf21("4","3","4","1","3","7","7","1") = "6"
    & skf21("4","3","4","1","4","1","1","1") = "3"
    & skf21("4","3","4","1","4","1","2","1") = "3"
    & skf21("4","3","4","1","4","1","3","1") = "3"
    & skf21("4","3","4","1","4","1","4","1") = "3"
    & skf21("4","3","4","1","4","1","5","1") = "4"
    & skf21("4","3","4","1","4","1","6","1") = "5"
    & skf21("4","3","4","1","4","1","7","1") = "6"
    & skf21("4","3","4","1","4","2","1","1") = "3"
    & skf21("4","3","4","1","4","2","2","1") = "3"
    & skf21("4","3","4","1","4","2","3","1") = "3"
    & skf21("4","3","4","1","4","2","4","1") = "3"
    & skf21("4","3","4","1","4","2","5","1") = "4"
    & skf21("4","3","4","1","4","2","6","1") = "5"
    & skf21("4","3","4","1","4","2","7","1") = "6"
    & skf21("4","3","4","1","4","3","1","1") = "3"
    & skf21("4","3","4","1","4","3","2","1") = "3"
    & skf21("4","3","4","1","4","3","3","1") = "3"
    & skf21("4","3","4","1","4","3","4","1") = "3"
    & skf21("4","3","4","1","4","3","5","1") = "4"
    & skf21("4","3","4","1","4","3","6","1") = "5"
    & skf21("4","3","4","1","4","3","7","1") = "6"
    & skf21("4","3","4","1","4","4","1","1") = "3"
    & skf21("4","3","4","1","4","4","2","1") = "3"
    & skf21("4","3","4","1","4","4","3","1") = "3"
    & skf21("4","3","4","1","4","4","4","1") = "3"
    & skf21("4","3","4","1","4","4","5","1") = "4"
    & skf21("4","3","4","1","4","4","6","1") = "5"
    & skf21("4","3","4","1","4","4","7","1") = "6"
    & skf21("4","3","4","1","4","5","1","1") = "4"
    & skf21("4","3","4","1","4","5","2","1") = "4"
    & skf21("4","3","4","1","4","5","3","1") = "4"
    & skf21("4","3","4","1","4","5","4","1") = "4"
    & skf21("4","3","4","1","4","5","5","1") = "4"
    & skf21("4","3","4","1","4","5","6","1") = "5"
    & skf21("4","3","4","1","4","5","7","1") = "6"
    & skf21("4","3","4","1","4","6","1","1") = "5"
    & skf21("4","3","4","1","4","6","2","1") = "5"
    & skf21("4","3","4","1","4","6","3","1") = "5"
    & skf21("4","3","4","1","4","6","4","1") = "5"
    & skf21("4","3","4","1","4","6","5","1") = "5"
    & skf21("4","3","4","1","4","6","6","1") = "5"
    & skf21("4","3","4","1","4","6","7","1") = "6"
    & skf21("4","3","4","1","4","7","1","1") = "6"
    & skf21("4","3","4","1","4","7","2","1") = "6"
    & skf21("4","3","4","1","4","7","3","1") = "6"
    & skf21("4","3","4","1","4","7","4","1") = "6"
    & skf21("4","3","4","1","4","7","5","1") = "6"
    & skf21("4","3","4","1","4","7","6","1") = "6"
    & skf21("4","3","4","1","4","7","7","1") = "6"
    & skf21("4","3","4","1","5","1","1","1") = "4"
    & skf21("4","3","4","1","5","1","2","1") = "4"
    & skf21("4","3","4","1","5","1","3","1") = "4"
    & skf21("4","3","4","1","5","1","4","1") = "4"
    & skf21("4","3","4","1","5","1","5","1") = "4"
    & skf21("4","3","4","1","5","1","6","1") = "5"
    & skf21("4","3","4","1","5","1","7","1") = "6"
    & skf21("4","3","4","1","5","2","1","1") = "4"
    & skf21("4","3","4","1","5","2","2","1") = "4"
    & skf21("4","3","4","1","5","2","3","1") = "4"
    & skf21("4","3","4","1","5","2","4","1") = "4"
    & skf21("4","3","4","1","5","2","5","1") = "4"
    & skf21("4","3","4","1","5","2","6","1") = "5"
    & skf21("4","3","4","1","5","2","7","1") = "6"
    & skf21("4","3","4","1","5","3","1","1") = "4"
    & skf21("4","3","4","1","5","3","2","1") = "4"
    & skf21("4","3","4","1","5","3","3","1") = "4"
    & skf21("4","3","4","1","5","3","4","1") = "4"
    & skf21("4","3","4","1","5","3","5","1") = "4"
    & skf21("4","3","4","1","5","3","6","1") = "5"
    & skf21("4","3","4","1","5","3","7","1") = "6"
    & skf21("4","3","4","1","5","4","1","1") = "4"
    & skf21("4","3","4","1","5","4","2","1") = "4"
    & skf21("4","3","4","1","5","4","3","1") = "4"
    & skf21("4","3","4","1","5","4","4","1") = "4"
    & skf21("4","3","4","1","5","4","5","1") = "4"
    & skf21("4","3","4","1","5","4","6","1") = "5"
    & skf21("4","3","4","1","5","4","7","1") = "6"
    & skf21("4","3","4","1","5","5","1","1") = "4"
    & skf21("4","3","4","1","5","5","2","1") = "4"
    & skf21("4","3","4","1","5","5","3","1") = "4"
    & skf21("4","3","4","1","5","5","4","1") = "4"
    & skf21("4","3","4","1","5","5","5","1") = "4"
    & skf21("4","3","4","1","5","5","6","1") = "5"
    & skf21("4","3","4","1","5","5","7","1") = "6"
    & skf21("4","3","4","1","5","6","1","1") = "5"
    & skf21("4","3","4","1","5","6","2","1") = "5"
    & skf21("4","3","4","1","5","6","3","1") = "5"
    & skf21("4","3","4","1","5","6","4","1") = "5"
    & skf21("4","3","4","1","5","6","5","1") = "5"
    & skf21("4","3","4","1","5","6","6","1") = "5"
    & skf21("4","3","4","1","5","6","7","1") = "6"
    & skf21("4","3","4","1","5","7","1","1") = "6"
    & skf21("4","3","4","1","5","7","2","1") = "6"
    & skf21("4","3","4","1","5","7","3","1") = "6"
    & skf21("4","3","4","1","5","7","4","1") = "6"
    & skf21("4","3","4","1","5","7","5","1") = "6"
    & skf21("4","3","4","1","5","7","6","1") = "6"
    & skf21("4","3","4","1","5","7","7","1") = "6"
    & skf21("4","3","4","1","6","1","1","1") = "5"
    & skf21("4","3","4","1","6","1","2","1") = "5"
    & skf21("4","3","4","1","6","1","3","1") = "5"
    & skf21("4","3","4","1","6","1","4","1") = "5"
    & skf21("4","3","4","1","6","1","5","1") = "5"
    & skf21("4","3","4","1","6","1","6","1") = "5"
    & skf21("4","3","4","1","6","1","7","1") = "6"
    & skf21("4","3","4","1","6","2","1","1") = "5"
    & skf21("4","3","4","1","6","2","2","1") = "5"
    & skf21("4","3","4","1","6","2","3","1") = "5"
    & skf21("4","3","4","1","6","2","4","1") = "5"
    & skf21("4","3","4","1","6","2","5","1") = "5"
    & skf21("4","3","4","1","6","2","6","1") = "5"
    & skf21("4","3","4","1","6","2","7","1") = "6"
    & skf21("4","3","4","1","6","3","1","1") = "5"
    & skf21("4","3","4","1","6","3","2","1") = "5"
    & skf21("4","3","4","1","6","3","3","1") = "5"
    & skf21("4","3","4","1","6","3","4","1") = "5"
    & skf21("4","3","4","1","6","3","5","1") = "5"
    & skf21("4","3","4","1","6","3","6","1") = "5"
    & skf21("4","3","4","1","6","3","7","1") = "6"
    & skf21("4","3","4","1","6","4","1","1") = "5"
    & skf21("4","3","4","1","6","4","2","1") = "5"
    & skf21("4","3","4","1","6","4","3","1") = "5"
    & skf21("4","3","4","1","6","4","4","1") = "5"
    & skf21("4","3","4","1","6","4","5","1") = "5"
    & skf21("4","3","4","1","6","4","6","1") = "5"
    & skf21("4","3","4","1","6","4","7","1") = "6"
    & skf21("4","3","4","1","6","5","1","1") = "5"
    & skf21("4","3","4","1","6","5","2","1") = "5"
    & skf21("4","3","4","1","6","5","3","1") = "5"
    & skf21("4","3","4","1","6","5","4","1") = "5"
    & skf21("4","3","4","1","6","5","5","1") = "5"
    & skf21("4","3","4","1","6","5","6","1") = "5"
    & skf21("4","3","4","1","6","5","7","1") = "6"
    & skf21("4","3","4","1","6","6","1","1") = "5"
    & skf21("4","3","4","1","6","6","2","1") = "5"
    & skf21("4","3","4","1","6","6","3","1") = "5"
    & skf21("4","3","4","1","6","6","4","1") = "5"
    & skf21("4","3","4","1","6","6","5","1") = "5"
    & skf21("4","3","4","1","6","6","6","1") = "5"
    & skf21("4","3","4","1","6","6","7","1") = "6"
    & skf21("4","3","4","1","6","7","1","1") = "6"
    & skf21("4","3","4","1","6","7","2","1") = "6"
    & skf21("4","3","4","1","6","7","3","1") = "6"
    & skf21("4","3","4","1","6","7","4","1") = "6"
    & skf21("4","3","4","1","6","7","5","1") = "6"
    & skf21("4","3","4","1","6","7","6","1") = "6"
    & skf21("4","3","4","1","6","7","7","1") = "6"
    & skf21("4","3","4","1","7","1","1","1") = "6"
    & skf21("4","3","4","1","7","1","2","1") = "6"
    & skf21("4","3","4","1","7","1","3","1") = "6"
    & skf21("4","3","4","1","7","1","4","1") = "6"
    & skf21("4","3","4","1","7","1","5","1") = "6"
    & skf21("4","3","4","1","7","1","6","1") = "6"
    & skf21("4","3","4","1","7","1","7","1") = "6"
    & skf21("4","3","4","1","7","2","1","1") = "6"
    & skf21("4","3","4","1","7","2","2","1") = "6"
    & skf21("4","3","4","1","7","2","3","1") = "6"
    & skf21("4","3","4","1","7","2","4","1") = "6"
    & skf21("4","3","4","1","7","2","5","1") = "6"
    & skf21("4","3","4","1","7","2","6","1") = "6"
    & skf21("4","3","4","1","7","2","7","1") = "6"
    & skf21("4","3","4","1","7","3","1","1") = "6"
    & skf21("4","3","4","1","7","3","2","1") = "6"
    & skf21("4","3","4","1","7","3","3","1") = "6"
    & skf21("4","3","4","1","7","3","4","1") = "6"
    & skf21("4","3","4","1","7","3","5","1") = "6"
    & skf21("4","3","4","1","7","3","6","1") = "6"
    & skf21("4","3","4","1","7","3","7","1") = "6"
    & skf21("4","3","4","1","7","4","1","1") = "6"
    & skf21("4","3","4","1","7","4","2","1") = "6"
    & skf21("4","3","4","1","7","4","3","1") = "6"
    & skf21("4","3","4","1","7","4","4","1") = "6"
    & skf21("4","3","4","1","7","4","5","1") = "6"
    & skf21("4","3","4","1","7","4","6","1") = "6"
    & skf21("4","3","4","1","7","4","7","1") = "6"
    & skf21("4","3","4","1","7","5","1","1") = "6"
    & skf21("4","3","4","1","7","5","2","1") = "6"
    & skf21("4","3","4","1","7","5","3","1") = "6"
    & skf21("4","3","4","1","7","5","4","1") = "6"
    & skf21("4","3","4","1","7","5","5","1") = "6"
    & skf21("4","3","4","1","7","5","6","1") = "6"
    & skf21("4","3","4","1","7","5","7","1") = "6"
    & skf21("4","3","4","1","7","6","1","1") = "6"
    & skf21("4","3","4","1","7","6","2","1") = "6"
    & skf21("4","3","4","1","7","6","3","1") = "6"
    & skf21("4","3","4","1","7","6","4","1") = "6"
    & skf21("4","3","4","1","7","6","5","1") = "6"
    & skf21("4","3","4","1","7","6","6","1") = "6"
    & skf21("4","3","4","1","7","6","7","1") = "6"
    & skf21("4","3","4","1","7","7","1","1") = "6"
    & skf21("4","3","4","1","7","7","2","1") = "6"
    & skf21("4","3","4","1","7","7","3","1") = "6"
    & skf21("4","3","4","1","7","7","4","1") = "6"
    & skf21("4","3","4","1","7","7","5","1") = "6"
    & skf21("4","3","4","1","7","7","6","1") = "6"
    & skf21("4","3","4","1","7","7","7","1") = "6"
    & skf21("4","3","4","2","1","1","1","1") = "3"
    & skf21("4","3","4","2","1","1","2","1") = "3"
    & skf21("4","3","4","2","1","1","3","1") = "3"
    & skf21("4","3","4","2","1","1","4","1") = "3"
    & skf21("4","3","4","2","1","1","5","1") = "4"
    & skf21("4","3","4","2","1","1","6","1") = "5"
    & skf21("4","3","4","2","1","1","7","1") = "6"
    & skf21("4","3","4","2","1","2","1","1") = "3"
    & skf21("4","3","4","2","1","2","2","1") = "3"
    & skf21("4","3","4","2","1","2","3","1") = "3"
    & skf21("4","3","4","2","1","2","4","1") = "3"
    & skf21("4","3","4","2","1","2","5","1") = "4"
    & skf21("4","3","4","2","1","2","6","1") = "5"
    & skf21("4","3","4","2","1","2","7","1") = "6"
    & skf21("4","3","4","2","1","3","1","1") = "3"
    & skf21("4","3","4","2","1","3","2","1") = "3"
    & skf21("4","3","4","2","1","3","3","1") = "3"
    & skf21("4","3","4","2","1","3","4","1") = "3"
    & skf21("4","3","4","2","1","3","5","1") = "4"
    & skf21("4","3","4","2","1","3","6","1") = "5"
    & skf21("4","3","4","2","1","3","7","1") = "6"
    & skf21("4","3","4","2","1","4","1","1") = "3"
    & skf21("4","3","4","2","1","4","2","1") = "3"
    & skf21("4","3","4","2","1","4","3","1") = "3"
    & skf21("4","3","4","2","1","4","4","1") = "3"
    & skf21("4","3","4","2","1","4","5","1") = "4"
    & skf21("4","3","4","2","1","4","6","1") = "5"
    & skf21("4","3","4","2","1","4","7","1") = "6"
    & skf21("4","3","4","2","1","5","1","1") = "4"
    & skf21("4","3","4","2","1","5","2","1") = "4"
    & skf21("4","3","4","2","1","5","3","1") = "4"
    & skf21("4","3","4","2","1","5","4","1") = "4"
    & skf21("4","3","4","2","1","5","5","1") = "4"
    & skf21("4","3","4","2","1","5","6","1") = "5"
    & skf21("4","3","4","2","1","5","7","1") = "6"
    & skf21("4","3","4","2","1","6","1","1") = "5"
    & skf21("4","3","4","2","1","6","2","1") = "5"
    & skf21("4","3","4","2","1","6","3","1") = "5"
    & skf21("4","3","4","2","1","6","4","1") = "5"
    & skf21("4","3","4","2","1","6","5","1") = "5"
    & skf21("4","3","4","2","1","6","6","1") = "5"
    & skf21("4","3","4","2","1","6","7","1") = "6"
    & skf21("4","3","4","2","1","7","1","1") = "6"
    & skf21("4","3","4","2","1","7","2","1") = "6"
    & skf21("4","3","4","2","1","7","3","1") = "6"
    & skf21("4","3","4","2","1","7","4","1") = "6"
    & skf21("4","3","4","2","1","7","5","1") = "6"
    & skf21("4","3","4","2","1","7","6","1") = "6"
    & skf21("4","3","4","2","1","7","7","1") = "6"
    & skf21("4","3","4","2","2","1","1","1") = "3"
    & skf21("4","3","4","2","2","1","2","1") = "3"
    & skf21("4","3","4","2","2","1","3","1") = "3"
    & skf21("4","3","4","2","2","1","4","1") = "3"
    & skf21("4","3","4","2","2","1","5","1") = "4"
    & skf21("4","3","4","2","2","1","6","1") = "5"
    & skf21("4","3","4","2","2","1","7","1") = "6"
    & skf21("4","3","4","2","2","2","1","1") = "3"
    & skf21("4","3","4","2","2","2","2","1") = "3"
    & skf21("4","3","4","2","2","2","3","1") = "3"
    & skf21("4","3","4","2","2","2","4","1") = "3"
    & skf21("4","3","4","2","2","2","5","1") = "4"
    & skf21("4","3","4","2","2","2","6","1") = "5"
    & skf21("4","3","4","2","2","2","7","1") = "6"
    & skf21("4","3","4","2","2","3","1","1") = "3"
    & skf21("4","3","4","2","2","3","2","1") = "3"
    & skf21("4","3","4","2","2","3","3","1") = "3"
    & skf21("4","3","4","2","2","3","4","1") = "3"
    & skf21("4","3","4","2","2","3","5","1") = "4"
    & skf21("4","3","4","2","2","3","6","1") = "5"
    & skf21("4","3","4","2","2","3","7","1") = "6"
    & skf21("4","3","4","2","2","4","1","1") = "3"
    & skf21("4","3","4","2","2","4","2","1") = "3"
    & skf21("4","3","4","2","2","4","3","1") = "3"
    & skf21("4","3","4","2","2","4","4","1") = "3"
    & skf21("4","3","4","2","2","4","5","1") = "4"
    & skf21("4","3","4","2","2","4","6","1") = "5"
    & skf21("4","3","4","2","2","4","7","1") = "6"
    & skf21("4","3","4","2","2","5","1","1") = "4"
    & skf21("4","3","4","2","2","5","2","1") = "4"
    & skf21("4","3","4","2","2","5","3","1") = "4"
    & skf21("4","3","4","2","2","5","4","1") = "4"
    & skf21("4","3","4","2","2","5","5","1") = "4"
    & skf21("4","3","4","2","2","5","6","1") = "5"
    & skf21("4","3","4","2","2","5","7","1") = "6"
    & skf21("4","3","4","2","2","6","1","1") = "5"
    & skf21("4","3","4","2","2","6","2","1") = "5"
    & skf21("4","3","4","2","2","6","3","1") = "5"
    & skf21("4","3","4","2","2","6","4","1") = "5"
    & skf21("4","3","4","2","2","6","5","1") = "5"
    & skf21("4","3","4","2","2","6","6","1") = "5"
    & skf21("4","3","4","2","2","6","7","1") = "6"
    & skf21("4","3","4","2","2","7","1","1") = "6"
    & skf21("4","3","4","2","2","7","2","1") = "6"
    & skf21("4","3","4","2","2","7","3","1") = "6"
    & skf21("4","3","4","2","2","7","4","1") = "6"
    & skf21("4","3","4","2","2","7","5","1") = "6"
    & skf21("4","3","4","2","2","7","6","1") = "6"
    & skf21("4","3","4","2","2","7","7","1") = "6"
    & skf21("4","3","4","2","3","1","1","1") = "3"
    & skf21("4","3","4","2","3","1","2","1") = "3"
    & skf21("4","3","4","2","3","1","3","1") = "3"
    & skf21("4","3","4","2","3","1","4","1") = "3"
    & skf21("4","3","4","2","3","1","5","1") = "4"
    & skf21("4","3","4","2","3","1","6","1") = "5"
    & skf21("4","3","4","2","3","1","7","1") = "6"
    & skf21("4","3","4","2","3","2","1","1") = "3"
    & skf21("4","3","4","2","3","2","2","1") = "3"
    & skf21("4","3","4","2","3","2","3","1") = "3"
    & skf21("4","3","4","2","3","2","4","1") = "3"
    & skf21("4","3","4","2","3","2","5","1") = "4"
    & skf21("4","3","4","2","3","2","6","1") = "5"
    & skf21("4","3","4","2","3","2","7","1") = "6"
    & skf21("4","3","4","2","3","3","1","1") = "3"
    & skf21("4","3","4","2","3","3","2","1") = "3"
    & skf21("4","3","4","2","3","3","3","1") = "3"
    & skf21("4","3","4","2","3","3","4","1") = "3"
    & skf21("4","3","4","2","3","3","5","1") = "4"
    & skf21("4","3","4","2","3","3","6","1") = "5"
    & skf21("4","3","4","2","3","3","7","1") = "6"
    & skf21("4","3","4","2","3","4","1","1") = "3"
    & skf21("4","3","4","2","3","4","2","1") = "3"
    & skf21("4","3","4","2","3","4","3","1") = "3"
    & skf21("4","3","4","2","3","4","4","1") = "3"
    & skf21("4","3","4","2","3","4","5","1") = "4"
    & skf21("4","3","4","2","3","4","6","1") = "5"
    & skf21("4","3","4","2","3","4","7","1") = "6"
    & skf21("4","3","4","2","3","5","1","1") = "4"
    & skf21("4","3","4","2","3","5","2","1") = "4"
    & skf21("4","3","4","2","3","5","3","1") = "4"
    & skf21("4","3","4","2","3","5","4","1") = "4"
    & skf21("4","3","4","2","3","5","5","1") = "4"
    & skf21("4","3","4","2","3","5","6","1") = "5"
    & skf21("4","3","4","2","3","5","7","1") = "6"
    & skf21("4","3","4","2","3","6","1","1") = "5"
    & skf21("4","3","4","2","3","6","2","1") = "5"
    & skf21("4","3","4","2","3","6","3","1") = "5"
    & skf21("4","3","4","2","3","6","4","1") = "5"
    & skf21("4","3","4","2","3","6","5","1") = "5"
    & skf21("4","3","4","2","3","6","6","1") = "5"
    & skf21("4","3","4","2","3","6","7","1") = "6"
    & skf21("4","3","4","2","3","7","1","1") = "6"
    & skf21("4","3","4","2","3","7","2","1") = "6"
    & skf21("4","3","4","2","3","7","3","1") = "6"
    & skf21("4","3","4","2","3","7","4","1") = "6"
    & skf21("4","3","4","2","3","7","5","1") = "6"
    & skf21("4","3","4","2","3","7","6","1") = "6"
    & skf21("4","3","4","2","3","7","7","1") = "6"
    & skf21("4","3","4","2","4","1","1","1") = "3"
    & skf21("4","3","4","2","4","1","2","1") = "3"
    & skf21("4","3","4","2","4","1","3","1") = "3"
    & skf21("4","3","4","2","4","1","4","1") = "3"
    & skf21("4","3","4","2","4","1","5","1") = "4"
    & skf21("4","3","4","2","4","1","6","1") = "5"
    & skf21("4","3","4","2","4","1","7","1") = "6"
    & skf21("4","3","4","2","4","2","1","1") = "3"
    & skf21("4","3","4","2","4","2","2","1") = "3"
    & skf21("4","3","4","2","4","2","3","1") = "3"
    & skf21("4","3","4","2","4","2","4","1") = "3"
    & skf21("4","3","4","2","4","2","5","1") = "4"
    & skf21("4","3","4","2","4","2","6","1") = "5"
    & skf21("4","3","4","2","4","2","7","1") = "6"
    & skf21("4","3","4","2","4","3","1","1") = "3"
    & skf21("4","3","4","2","4","3","2","1") = "3"
    & skf21("4","3","4","2","4","3","3","1") = "3"
    & skf21("4","3","4","2","4","3","4","1") = "3"
    & skf21("4","3","4","2","4","3","5","1") = "4"
    & skf21("4","3","4","2","4","3","6","1") = "5"
    & skf21("4","3","4","2","4","3","7","1") = "6"
    & skf21("4","3","4","2","4","4","1","1") = "3"
    & skf21("4","3","4","2","4","4","2","1") = "3"
    & skf21("4","3","4","2","4","4","3","1") = "3"
    & skf21("4","3","4","2","4","4","4","1") = "3"
    & skf21("4","3","4","2","4","4","5","1") = "4"
    & skf21("4","3","4","2","4","4","6","1") = "5"
    & skf21("4","3","4","2","4","4","7","1") = "6"
    & skf21("4","3","4","2","4","5","1","1") = "4"
    & skf21("4","3","4","2","4","5","2","1") = "4"
    & skf21("4","3","4","2","4","5","3","1") = "4"
    & skf21("4","3","4","2","4","5","4","1") = "4"
    & skf21("4","3","4","2","4","5","5","1") = "4"
    & skf21("4","3","4","2","4","5","6","1") = "5"
    & skf21("4","3","4","2","4","5","7","1") = "6"
    & skf21("4","3","4","2","4","6","1","1") = "5"
    & skf21("4","3","4","2","4","6","2","1") = "5"
    & skf21("4","3","4","2","4","6","3","1") = "5"
    & skf21("4","3","4","2","4","6","4","1") = "5"
    & skf21("4","3","4","2","4","6","5","1") = "5"
    & skf21("4","3","4","2","4","6","6","1") = "5"
    & skf21("4","3","4","2","4","6","7","1") = "6"
    & skf21("4","3","4","2","4","7","1","1") = "6"
    & skf21("4","3","4","2","4","7","2","1") = "6"
    & skf21("4","3","4","2","4","7","3","1") = "6"
    & skf21("4","3","4","2","4","7","4","1") = "6"
    & skf21("4","3","4","2","4","7","5","1") = "6"
    & skf21("4","3","4","2","4","7","6","1") = "6"
    & skf21("4","3","4","2","4","7","7","1") = "6"
    & skf21("4","3","4","2","5","1","1","1") = "4"
    & skf21("4","3","4","2","5","1","2","1") = "4"
    & skf21("4","3","4","2","5","1","3","1") = "4"
    & skf21("4","3","4","2","5","1","4","1") = "4"
    & skf21("4","3","4","2","5","1","5","1") = "4"
    & skf21("4","3","4","2","5","1","6","1") = "5"
    & skf21("4","3","4","2","5","1","7","1") = "6"
    & skf21("4","3","4","2","5","2","1","1") = "4"
    & skf21("4","3","4","2","5","2","2","1") = "4"
    & skf21("4","3","4","2","5","2","3","1") = "4"
    & skf21("4","3","4","2","5","2","4","1") = "4"
    & skf21("4","3","4","2","5","2","5","1") = "4"
    & skf21("4","3","4","2","5","2","6","1") = "5"
    & skf21("4","3","4","2","5","2","7","1") = "6"
    & skf21("4","3","4","2","5","3","1","1") = "4"
    & skf21("4","3","4","2","5","3","2","1") = "4"
    & skf21("4","3","4","2","5","3","3","1") = "4"
    & skf21("4","3","4","2","5","3","4","1") = "4"
    & skf21("4","3","4","2","5","3","5","1") = "4"
    & skf21("4","3","4","2","5","3","6","1") = "5"
    & skf21("4","3","4","2","5","3","7","1") = "6"
    & skf21("4","3","4","2","5","4","1","1") = "4"
    & skf21("4","3","4","2","5","4","2","1") = "4"
    & skf21("4","3","4","2","5","4","3","1") = "4"
    & skf21("4","3","4","2","5","4","4","1") = "4"
    & skf21("4","3","4","2","5","4","5","1") = "4"
    & skf21("4","3","4","2","5","4","6","1") = "5"
    & skf21("4","3","4","2","5","4","7","1") = "6"
    & skf21("4","3","4","2","5","5","1","1") = "4"
    & skf21("4","3","4","2","5","5","2","1") = "4"
    & skf21("4","3","4","2","5","5","3","1") = "4"
    & skf21("4","3","4","2","5","5","4","1") = "4"
    & skf21("4","3","4","2","5","5","5","1") = "4"
    & skf21("4","3","4","2","5","5","6","1") = "5"
    & skf21("4","3","4","2","5","5","7","1") = "6"
    & skf21("4","3","4","2","5","6","1","1") = "5"
    & skf21("4","3","4","2","5","6","2","1") = "5"
    & skf21("4","3","4","2","5","6","3","1") = "5"
    & skf21("4","3","4","2","5","6","4","1") = "5"
    & skf21("4","3","4","2","5","6","5","1") = "5"
    & skf21("4","3","4","2","5","6","6","1") = "5"
    & skf21("4","3","4","2","5","6","7","1") = "6"
    & skf21("4","3","4","2","5","7","1","1") = "6"
    & skf21("4","3","4","2","5","7","2","1") = "6"
    & skf21("4","3","4","2","5","7","3","1") = "6"
    & skf21("4","3","4","2","5","7","4","1") = "6"
    & skf21("4","3","4","2","5","7","5","1") = "6"
    & skf21("4","3","4","2","5","7","6","1") = "6"
    & skf21("4","3","4","2","5","7","7","1") = "6"
    & skf21("4","3","4","2","6","1","1","1") = "5"
    & skf21("4","3","4","2","6","1","2","1") = "5"
    & skf21("4","3","4","2","6","1","3","1") = "5"
    & skf21("4","3","4","2","6","1","4","1") = "5"
    & skf21("4","3","4","2","6","1","5","1") = "5"
    & skf21("4","3","4","2","6","1","6","1") = "5"
    & skf21("4","3","4","2","6","1","7","1") = "6"
    & skf21("4","3","4","2","6","2","1","1") = "5"
    & skf21("4","3","4","2","6","2","2","1") = "5"
    & skf21("4","3","4","2","6","2","3","1") = "5"
    & skf21("4","3","4","2","6","2","4","1") = "5"
    & skf21("4","3","4","2","6","2","5","1") = "5"
    & skf21("4","3","4","2","6","2","6","1") = "5"
    & skf21("4","3","4","2","6","2","7","1") = "6"
    & skf21("4","3","4","2","6","3","1","1") = "5"
    & skf21("4","3","4","2","6","3","2","1") = "5"
    & skf21("4","3","4","2","6","3","3","1") = "5"
    & skf21("4","3","4","2","6","3","4","1") = "5"
    & skf21("4","3","4","2","6","3","5","1") = "5"
    & skf21("4","3","4","2","6","3","6","1") = "5"
    & skf21("4","3","4","2","6","3","7","1") = "6"
    & skf21("4","3","4","2","6","4","1","1") = "5"
    & skf21("4","3","4","2","6","4","2","1") = "5"
    & skf21("4","3","4","2","6","4","3","1") = "5"
    & skf21("4","3","4","2","6","4","4","1") = "5"
    & skf21("4","3","4","2","6","4","5","1") = "5"
    & skf21("4","3","4","2","6","4","6","1") = "5"
    & skf21("4","3","4","2","6","4","7","1") = "6"
    & skf21("4","3","4","2","6","5","1","1") = "5"
    & skf21("4","3","4","2","6","5","2","1") = "5"
    & skf21("4","3","4","2","6","5","3","1") = "5"
    & skf21("4","3","4","2","6","5","4","1") = "5"
    & skf21("4","3","4","2","6","5","5","1") = "5"
    & skf21("4","3","4","2","6","5","6","1") = "5"
    & skf21("4","3","4","2","6","5","7","1") = "6"
    & skf21("4","3","4","2","6","6","1","1") = "5"
    & skf21("4","3","4","2","6","6","2","1") = "5"
    & skf21("4","3","4","2","6","6","3","1") = "5"
    & skf21("4","3","4","2","6","6","4","1") = "5"
    & skf21("4","3","4","2","6","6","5","1") = "5"
    & skf21("4","3","4","2","6","6","6","1") = "5"
    & skf21("4","3","4","2","6","6","7","1") = "6"
    & skf21("4","3","4","2","6","7","1","1") = "6"
    & skf21("4","3","4","2","6","7","2","1") = "6"
    & skf21("4","3","4","2","6","7","3","1") = "6"
    & skf21("4","3","4","2","6","7","4","1") = "6"
    & skf21("4","3","4","2","6","7","5","1") = "6"
    & skf21("4","3","4","2","6","7","6","1") = "6"
    & skf21("4","3","4","2","6","7","7","1") = "6"
    & skf21("4","3","4","2","7","1","1","1") = "6"
    & skf21("4","3","4","2","7","1","2","1") = "6"
    & skf21("4","3","4","2","7","1","3","1") = "6"
    & skf21("4","3","4","2","7","1","4","1") = "6"
    & skf21("4","3","4","2","7","1","5","1") = "6"
    & skf21("4","3","4","2","7","1","6","1") = "6"
    & skf21("4","3","4","2","7","1","7","1") = "6"
    & skf21("4","3","4","2","7","2","1","1") = "6"
    & skf21("4","3","4","2","7","2","2","1") = "6"
    & skf21("4","3","4","2","7","2","3","1") = "6"
    & skf21("4","3","4","2","7","2","4","1") = "6"
    & skf21("4","3","4","2","7","2","5","1") = "6"
    & skf21("4","3","4","2","7","2","6","1") = "6"
    & skf21("4","3","4","2","7","2","7","1") = "6"
    & skf21("4","3","4","2","7","3","1","1") = "6"
    & skf21("4","3","4","2","7","3","2","1") = "6"
    & skf21("4","3","4","2","7","3","3","1") = "6"
    & skf21("4","3","4","2","7","3","4","1") = "6"
    & skf21("4","3","4","2","7","3","5","1") = "6"
    & skf21("4","3","4","2","7","3","6","1") = "6"
    & skf21("4","3","4","2","7","3","7","1") = "6"
    & skf21("4","3","4","2","7","4","1","1") = "6"
    & skf21("4","3","4","2","7","4","2","1") = "6"
    & skf21("4","3","4","2","7","4","3","1") = "6"
    & skf21("4","3","4","2","7","4","4","1") = "6"
    & skf21("4","3","4","2","7","4","5","1") = "6"
    & skf21("4","3","4","2","7","4","6","1") = "6"
    & skf21("4","3","4","2","7","4","7","1") = "6"
    & skf21("4","3","4","2","7","5","1","1") = "6"
    & skf21("4","3","4","2","7","5","2","1") = "6"
    & skf21("4","3","4","2","7","5","3","1") = "6"
    & skf21("4","3","4","2","7","5","4","1") = "6"
    & skf21("4","3","4","2","7","5","5","1") = "6"
    & skf21("4","3","4","2","7","5","6","1") = "6"
    & skf21("4","3","4","2","7","5","7","1") = "6"
    & skf21("4","3","4","2","7","6","1","1") = "6"
    & skf21("4","3","4","2","7","6","2","1") = "6"
    & skf21("4","3","4","2","7","6","3","1") = "6"
    & skf21("4","3","4","2","7","6","4","1") = "6"
    & skf21("4","3","4","2","7","6","5","1") = "6"
    & skf21("4","3","4","2","7","6","6","1") = "6"
    & skf21("4","3","4","2","7","6","7","1") = "6"
    & skf21("4","3","4","2","7","7","1","1") = "6"
    & skf21("4","3","4","2","7","7","2","1") = "6"
    & skf21("4","3","4","2","7","7","3","1") = "6"
    & skf21("4","3","4","2","7","7","4","1") = "6"
    & skf21("4","3","4","2","7","7","5","1") = "6"
    & skf21("4","3","4","2","7","7","6","1") = "6"
    & skf21("4","3","4","2","7","7","7","1") = "6"
    & skf21("4","3","4","3","1","1","1","1") = "3"
    & skf21("4","3","4","3","1","1","2","1") = "3"
    & skf21("4","3","4","3","1","1","3","1") = "3"
    & skf21("4","3","4","3","1","1","4","1") = "3"
    & skf21("4","3","4","3","1","1","5","1") = "4"
    & skf21("4","3","4","3","1","1","6","1") = "5"
    & skf21("4","3","4","3","1","1","7","1") = "6"
    & skf21("4","3","4","3","1","2","1","1") = "3"
    & skf21("4","3","4","3","1","2","2","1") = "3"
    & skf21("4","3","4","3","1","2","3","1") = "3"
    & skf21("4","3","4","3","1","2","4","1") = "3"
    & skf21("4","3","4","3","1","2","5","1") = "4"
    & skf21("4","3","4","3","1","2","6","1") = "5"
    & skf21("4","3","4","3","1","2","7","1") = "6"
    & skf21("4","3","4","3","1","3","1","1") = "3"
    & skf21("4","3","4","3","1","3","2","1") = "3"
    & skf21("4","3","4","3","1","3","3","1") = "3"
    & skf21("4","3","4","3","1","3","4","1") = "3"
    & skf21("4","3","4","3","1","3","5","1") = "4"
    & skf21("4","3","4","3","1","3","6","1") = "5"
    & skf21("4","3","4","3","1","3","7","1") = "6"
    & skf21("4","3","4","3","1","4","1","1") = "3"
    & skf21("4","3","4","3","1","4","2","1") = "3"
    & skf21("4","3","4","3","1","4","3","1") = "3"
    & skf21("4","3","4","3","1","4","4","1") = "3"
    & skf21("4","3","4","3","1","4","5","1") = "4"
    & skf21("4","3","4","3","1","4","6","1") = "5"
    & skf21("4","3","4","3","1","4","7","1") = "6"
    & skf21("4","3","4","3","1","5","1","1") = "4"
    & skf21("4","3","4","3","1","5","2","1") = "4"
    & skf21("4","3","4","3","1","5","3","1") = "4"
    & skf21("4","3","4","3","1","5","4","1") = "4"
    & skf21("4","3","4","3","1","5","5","1") = "4"
    & skf21("4","3","4","3","1","5","6","1") = "5"
    & skf21("4","3","4","3","1","5","7","1") = "6"
    & skf21("4","3","4","3","1","6","1","1") = "5"
    & skf21("4","3","4","3","1","6","2","1") = "5"
    & skf21("4","3","4","3","1","6","3","1") = "5"
    & skf21("4","3","4","3","1","6","4","1") = "5"
    & skf21("4","3","4","3","1","6","5","1") = "5"
    & skf21("4","3","4","3","1","6","6","1") = "5"
    & skf21("4","3","4","3","1","6","7","1") = "6"
    & skf21("4","3","4","3","1","7","1","1") = "6"
    & skf21("4","3","4","3","1","7","2","1") = "6"
    & skf21("4","3","4","3","1","7","3","1") = "6"
    & skf21("4","3","4","3","1","7","4","1") = "6"
    & skf21("4","3","4","3","1","7","5","1") = "6"
    & skf21("4","3","4","3","1","7","6","1") = "6"
    & skf21("4","3","4","3","1","7","7","1") = "6"
    & skf21("4","3","4","3","2","1","1","1") = "3"
    & skf21("4","3","4","3","2","1","2","1") = "3"
    & skf21("4","3","4","3","2","1","3","1") = "3"
    & skf21("4","3","4","3","2","1","4","1") = "3"
    & skf21("4","3","4","3","2","1","5","1") = "4"
    & skf21("4","3","4","3","2","1","6","1") = "5"
    & skf21("4","3","4","3","2","1","7","1") = "6"
    & skf21("4","3","4","3","2","2","1","1") = "3"
    & skf21("4","3","4","3","2","2","2","1") = "3"
    & skf21("4","3","4","3","2","2","3","1") = "3"
    & skf21("4","3","4","3","2","2","4","1") = "3"
    & skf21("4","3","4","3","2","2","5","1") = "4"
    & skf21("4","3","4","3","2","2","6","1") = "5"
    & skf21("4","3","4","3","2","2","7","1") = "6"
    & skf21("4","3","4","3","2","3","1","1") = "3"
    & skf21("4","3","4","3","2","3","2","1") = "3"
    & skf21("4","3","4","3","2","3","3","1") = "3"
    & skf21("4","3","4","3","2","3","4","1") = "3"
    & skf21("4","3","4","3","2","3","5","1") = "4"
    & skf21("4","3","4","3","2","3","6","1") = "5"
    & skf21("4","3","4","3","2","3","7","1") = "6"
    & skf21("4","3","4","3","2","4","1","1") = "3"
    & skf21("4","3","4","3","2","4","2","1") = "3"
    & skf21("4","3","4","3","2","4","3","1") = "3"
    & skf21("4","3","4","3","2","4","4","1") = "3"
    & skf21("4","3","4","3","2","4","5","1") = "4"
    & skf21("4","3","4","3","2","4","6","1") = "5"
    & skf21("4","3","4","3","2","4","7","1") = "6"
    & skf21("4","3","4","3","2","5","1","1") = "4"
    & skf21("4","3","4","3","2","5","2","1") = "4"
    & skf21("4","3","4","3","2","5","3","1") = "4"
    & skf21("4","3","4","3","2","5","4","1") = "4"
    & skf21("4","3","4","3","2","5","5","1") = "4"
    & skf21("4","3","4","3","2","5","6","1") = "5"
    & skf21("4","3","4","3","2","5","7","1") = "6"
    & skf21("4","3","4","3","2","6","1","1") = "5"
    & skf21("4","3","4","3","2","6","2","1") = "5"
    & skf21("4","3","4","3","2","6","3","1") = "5"
    & skf21("4","3","4","3","2","6","4","1") = "5"
    & skf21("4","3","4","3","2","6","5","1") = "5"
    & skf21("4","3","4","3","2","6","6","1") = "5"
    & skf21("4","3","4","3","2","6","7","1") = "6"
    & skf21("4","3","4","3","2","7","1","1") = "6"
    & skf21("4","3","4","3","2","7","2","1") = "6"
    & skf21("4","3","4","3","2","7","3","1") = "6"
    & skf21("4","3","4","3","2","7","4","1") = "6"
    & skf21("4","3","4","3","2","7","5","1") = "6"
    & skf21("4","3","4","3","2","7","6","1") = "6"
    & skf21("4","3","4","3","2","7","7","1") = "6"
    & skf21("4","3","4","3","3","1","1","1") = "3"
    & skf21("4","3","4","3","3","1","2","1") = "3"
    & skf21("4","3","4","3","3","1","3","1") = "3"
    & skf21("4","3","4","3","3","1","4","1") = "3"
    & skf21("4","3","4","3","3","1","5","1") = "4"
    & skf21("4","3","4","3","3","1","6","1") = "5"
    & skf21("4","3","4","3","3","1","7","1") = "6"
    & skf21("4","3","4","3","3","2","1","1") = "3"
    & skf21("4","3","4","3","3","2","2","1") = "3"
    & skf21("4","3","4","3","3","2","3","1") = "3"
    & skf21("4","3","4","3","3","2","4","1") = "3"
    & skf21("4","3","4","3","3","2","5","1") = "4"
    & skf21("4","3","4","3","3","2","6","1") = "5"
    & skf21("4","3","4","3","3","2","7","1") = "6"
    & skf21("4","3","4","3","3","3","1","1") = "3"
    & skf21("4","3","4","3","3","3","2","1") = "3"
    & skf21("4","3","4","3","3","3","3","1") = "3"
    & skf21("4","3","4","3","3","3","4","1") = "3"
    & skf21("4","3","4","3","3","3","5","1") = "4"
    & skf21("4","3","4","3","3","3","6","1") = "5"
    & skf21("4","3","4","3","3","3","7","1") = "6"
    & skf21("4","3","4","3","3","4","1","1") = "3"
    & skf21("4","3","4","3","3","4","2","1") = "3"
    & skf21("4","3","4","3","3","4","3","1") = "3"
    & skf21("4","3","4","3","3","4","4","1") = "3"
    & skf21("4","3","4","3","3","4","5","1") = "4"
    & skf21("4","3","4","3","3","4","6","1") = "5"
    & skf21("4","3","4","3","3","4","7","1") = "6"
    & skf21("4","3","4","3","3","5","1","1") = "4"
    & skf21("4","3","4","3","3","5","2","1") = "4"
    & skf21("4","3","4","3","3","5","3","1") = "4"
    & skf21("4","3","4","3","3","5","4","1") = "4"
    & skf21("4","3","4","3","3","5","5","1") = "4"
    & skf21("4","3","4","3","3","5","6","1") = "5"
    & skf21("4","3","4","3","3","5","7","1") = "6"
    & skf21("4","3","4","3","3","6","1","1") = "5"
    & skf21("4","3","4","3","3","6","2","1") = "5"
    & skf21("4","3","4","3","3","6","3","1") = "5"
    & skf21("4","3","4","3","3","6","4","1") = "5"
    & skf21("4","3","4","3","3","6","5","1") = "5"
    & skf21("4","3","4","3","3","6","6","1") = "5"
    & skf21("4","3","4","3","3","6","7","1") = "6"
    & skf21("4","3","4","3","3","7","1","1") = "6"
    & skf21("4","3","4","3","3","7","2","1") = "6"
    & skf21("4","3","4","3","3","7","3","1") = "6"
    & skf21("4","3","4","3","3","7","4","1") = "6"
    & skf21("4","3","4","3","3","7","5","1") = "6"
    & skf21("4","3","4","3","3","7","6","1") = "6"
    & skf21("4","3","4","3","3","7","7","1") = "6"
    & skf21("4","3","4","3","4","1","1","1") = "3"
    & skf21("4","3","4","3","4","1","2","1") = "3"
    & skf21("4","3","4","3","4","1","3","1") = "3"
    & skf21("4","3","4","3","4","1","4","1") = "3"
    & skf21("4","3","4","3","4","1","5","1") = "4"
    & skf21("4","3","4","3","4","1","6","1") = "5"
    & skf21("4","3","4","3","4","1","7","1") = "6"
    & skf21("4","3","4","3","4","2","1","1") = "3"
    & skf21("4","3","4","3","4","2","2","1") = "3"
    & skf21("4","3","4","3","4","2","3","1") = "3"
    & skf21("4","3","4","3","4","2","4","1") = "3"
    & skf21("4","3","4","3","4","2","5","1") = "4"
    & skf21("4","3","4","3","4","2","6","1") = "5"
    & skf21("4","3","4","3","4","2","7","1") = "6"
    & skf21("4","3","4","3","4","3","1","1") = "3"
    & skf21("4","3","4","3","4","3","2","1") = "3"
    & skf21("4","3","4","3","4","3","3","1") = "3"
    & skf21("4","3","4","3","4","3","4","1") = "3"
    & skf21("4","3","4","3","4","3","5","1") = "4"
    & skf21("4","3","4","3","4","3","6","1") = "5"
    & skf21("4","3","4","3","4","3","7","1") = "6"
    & skf21("4","3","4","3","4","4","1","1") = "3"
    & skf21("4","3","4","3","4","4","2","1") = "3"
    & skf21("4","3","4","3","4","4","3","1") = "3"
    & skf21("4","3","4","3","4","4","4","1") = "3"
    & skf21("4","3","4","3","4","4","5","1") = "4"
    & skf21("4","3","4","3","4","4","6","1") = "5"
    & skf21("4","3","4","3","4","4","7","1") = "6"
    & skf21("4","3","4","3","4","5","1","1") = "4"
    & skf21("4","3","4","3","4","5","2","1") = "4"
    & skf21("4","3","4","3","4","5","3","1") = "4"
    & skf21("4","3","4","3","4","5","4","1") = "4"
    & skf21("4","3","4","3","4","5","5","1") = "4"
    & skf21("4","3","4","3","4","5","6","1") = "5"
    & skf21("4","3","4","3","4","5","7","1") = "6"
    & skf21("4","3","4","3","4","6","1","1") = "5"
    & skf21("4","3","4","3","4","6","2","1") = "5"
    & skf21("4","3","4","3","4","6","3","1") = "5"
    & skf21("4","3","4","3","4","6","4","1") = "5"
    & skf21("4","3","4","3","4","6","5","1") = "5"
    & skf21("4","3","4","3","4","6","6","1") = "5"
    & skf21("4","3","4","3","4","6","7","1") = "6"
    & skf21("4","3","4","3","4","7","1","1") = "6"
    & skf21("4","3","4","3","4","7","2","1") = "6"
    & skf21("4","3","4","3","4","7","3","1") = "6"
    & skf21("4","3","4","3","4","7","4","1") = "6"
    & skf21("4","3","4","3","4","7","5","1") = "6"
    & skf21("4","3","4","3","4","7","6","1") = "6"
    & skf21("4","3","4","3","4","7","7","1") = "6"
    & skf21("4","3","4","3","5","1","1","1") = "4"
    & skf21("4","3","4","3","5","1","2","1") = "4"
    & skf21("4","3","4","3","5","1","3","1") = "4"
    & skf21("4","3","4","3","5","1","4","1") = "4"
    & skf21("4","3","4","3","5","1","5","1") = "4"
    & skf21("4","3","4","3","5","1","6","1") = "5"
    & skf21("4","3","4","3","5","1","7","1") = "6"
    & skf21("4","3","4","3","5","2","1","1") = "4"
    & skf21("4","3","4","3","5","2","2","1") = "4"
    & skf21("4","3","4","3","5","2","3","1") = "4"
    & skf21("4","3","4","3","5","2","4","1") = "4"
    & skf21("4","3","4","3","5","2","5","1") = "4"
    & skf21("4","3","4","3","5","2","6","1") = "5"
    & skf21("4","3","4","3","5","2","7","1") = "6"
    & skf21("4","3","4","3","5","3","1","1") = "4"
    & skf21("4","3","4","3","5","3","2","1") = "4"
    & skf21("4","3","4","3","5","3","3","1") = "4"
    & skf21("4","3","4","3","5","3","4","1") = "4"
    & skf21("4","3","4","3","5","3","5","1") = "4"
    & skf21("4","3","4","3","5","3","6","1") = "5"
    & skf21("4","3","4","3","5","3","7","1") = "6"
    & skf21("4","3","4","3","5","4","1","1") = "4"
    & skf21("4","3","4","3","5","4","2","1") = "4"
    & skf21("4","3","4","3","5","4","3","1") = "4"
    & skf21("4","3","4","3","5","4","4","1") = "4"
    & skf21("4","3","4","3","5","4","5","1") = "4"
    & skf21("4","3","4","3","5","4","6","1") = "5"
    & skf21("4","3","4","3","5","4","7","1") = "6"
    & skf21("4","3","4","3","5","5","1","1") = "4"
    & skf21("4","3","4","3","5","5","2","1") = "4"
    & skf21("4","3","4","3","5","5","3","1") = "4"
    & skf21("4","3","4","3","5","5","4","1") = "4"
    & skf21("4","3","4","3","5","5","5","1") = "4"
    & skf21("4","3","4","3","5","5","6","1") = "5"
    & skf21("4","3","4","3","5","5","7","1") = "6"
    & skf21("4","3","4","3","5","6","1","1") = "5"
    & skf21("4","3","4","3","5","6","2","1") = "5"
    & skf21("4","3","4","3","5","6","3","1") = "5"
    & skf21("4","3","4","3","5","6","4","1") = "5"
    & skf21("4","3","4","3","5","6","5","1") = "5"
    & skf21("4","3","4","3","5","6","6","1") = "5"
    & skf21("4","3","4","3","5","6","7","1") = "6"
    & skf21("4","3","4","3","5","7","1","1") = "6"
    & skf21("4","3","4","3","5","7","2","1") = "6"
    & skf21("4","3","4","3","5","7","3","1") = "6"
    & skf21("4","3","4","3","5","7","4","1") = "6"
    & skf21("4","3","4","3","5","7","5","1") = "6"
    & skf21("4","3","4","3","5","7","6","1") = "6"
    & skf21("4","3","4","3","5","7","7","1") = "6"
    & skf21("4","3","4","3","6","1","1","1") = "5"
    & skf21("4","3","4","3","6","1","2","1") = "5"
    & skf21("4","3","4","3","6","1","3","1") = "5"
    & skf21("4","3","4","3","6","1","4","1") = "5"
    & skf21("4","3","4","3","6","1","5","1") = "5"
    & skf21("4","3","4","3","6","1","6","1") = "5"
    & skf21("4","3","4","3","6","1","7","1") = "6"
    & skf21("4","3","4","3","6","2","1","1") = "5"
    & skf21("4","3","4","3","6","2","2","1") = "5"
    & skf21("4","3","4","3","6","2","3","1") = "5"
    & skf21("4","3","4","3","6","2","4","1") = "5"
    & skf21("4","3","4","3","6","2","5","1") = "5"
    & skf21("4","3","4","3","6","2","6","1") = "5"
    & skf21("4","3","4","3","6","2","7","1") = "6"
    & skf21("4","3","4","3","6","3","1","1") = "5"
    & skf21("4","3","4","3","6","3","2","1") = "5"
    & skf21("4","3","4","3","6","3","3","1") = "5"
    & skf21("4","3","4","3","6","3","4","1") = "5"
    & skf21("4","3","4","3","6","3","5","1") = "5"
    & skf21("4","3","4","3","6","3","6","1") = "5"
    & skf21("4","3","4","3","6","3","7","1") = "6"
    & skf21("4","3","4","3","6","4","1","1") = "5"
    & skf21("4","3","4","3","6","4","2","1") = "5"
    & skf21("4","3","4","3","6","4","3","1") = "5"
    & skf21("4","3","4","3","6","4","4","1") = "5"
    & skf21("4","3","4","3","6","4","5","1") = "5"
    & skf21("4","3","4","3","6","4","6","1") = "5"
    & skf21("4","3","4","3","6","4","7","1") = "6"
    & skf21("4","3","4","3","6","5","1","1") = "5"
    & skf21("4","3","4","3","6","5","2","1") = "5"
    & skf21("4","3","4","3","6","5","3","1") = "5"
    & skf21("4","3","4","3","6","5","4","1") = "5"
    & skf21("4","3","4","3","6","5","5","1") = "5"
    & skf21("4","3","4","3","6","5","6","1") = "5"
    & skf21("4","3","4","3","6","5","7","1") = "6"
    & skf21("4","3","4","3","6","6","1","1") = "5"
    & skf21("4","3","4","3","6","6","2","1") = "5"
    & skf21("4","3","4","3","6","6","3","1") = "5"
    & skf21("4","3","4","3","6","6","4","1") = "5"
    & skf21("4","3","4","3","6","6","5","1") = "5"
    & skf21("4","3","4","3","6","6","6","1") = "5"
    & skf21("4","3","4","3","6","6","7","1") = "6"
    & skf21("4","3","4","3","6","7","1","1") = "6"
    & skf21("4","3","4","3","6","7","2","1") = "6"
    & skf21("4","3","4","3","6","7","3","1") = "6"
    & skf21("4","3","4","3","6","7","4","1") = "6"
    & skf21("4","3","4","3","6","7","5","1") = "6"
    & skf21("4","3","4","3","6","7","6","1") = "6"
    & skf21("4","3","4","3","6","7","7","1") = "6"
    & skf21("4","3","4","3","7","1","1","1") = "6"
    & skf21("4","3","4","3","7","1","2","1") = "6"
    & skf21("4","3","4","3","7","1","3","1") = "6"
    & skf21("4","3","4","3","7","1","4","1") = "6"
    & skf21("4","3","4","3","7","1","5","1") = "6"
    & skf21("4","3","4","3","7","1","6","1") = "6"
    & skf21("4","3","4","3","7","1","7","1") = "6"
    & skf21("4","3","4","3","7","2","1","1") = "6"
    & skf21("4","3","4","3","7","2","2","1") = "6"
    & skf21("4","3","4","3","7","2","3","1") = "6"
    & skf21("4","3","4","3","7","2","4","1") = "6"
    & skf21("4","3","4","3","7","2","5","1") = "6"
    & skf21("4","3","4","3","7","2","6","1") = "6"
    & skf21("4","3","4","3","7","2","7","1") = "6"
    & skf21("4","3","4","3","7","3","1","1") = "6"
    & skf21("4","3","4","3","7","3","2","1") = "6"
    & skf21("4","3","4","3","7","3","3","1") = "6"
    & skf21("4","3","4","3","7","3","4","1") = "6"
    & skf21("4","3","4","3","7","3","5","1") = "6"
    & skf21("4","3","4","3","7","3","6","1") = "6"
    & skf21("4","3","4","3","7","3","7","1") = "6"
    & skf21("4","3","4","3","7","4","1","1") = "6"
    & skf21("4","3","4","3","7","4","2","1") = "6"
    & skf21("4","3","4","3","7","4","3","1") = "6"
    & skf21("4","3","4","3","7","4","4","1") = "6"
    & skf21("4","3","4","3","7","4","5","1") = "6"
    & skf21("4","3","4","3","7","4","6","1") = "6"
    & skf21("4","3","4","3","7","4","7","1") = "6"
    & skf21("4","3","4","3","7","5","1","1") = "6"
    & skf21("4","3","4","3","7","5","2","1") = "6"
    & skf21("4","3","4","3","7","5","3","1") = "6"
    & skf21("4","3","4","3","7","5","4","1") = "6"
    & skf21("4","3","4","3","7","5","5","1") = "6"
    & skf21("4","3","4","3","7","5","6","1") = "6"
    & skf21("4","3","4","3","7","5","7","1") = "6"
    & skf21("4","3","4","3","7","6","1","1") = "6"
    & skf21("4","3","4","3","7","6","2","1") = "6"
    & skf21("4","3","4","3","7","6","3","1") = "6"
    & skf21("4","3","4","3","7","6","4","1") = "6"
    & skf21("4","3","4","3","7","6","5","1") = "6"
    & skf21("4","3","4","3","7","6","6","1") = "6"
    & skf21("4","3","4","3","7","6","7","1") = "6"
    & skf21("4","3","4","3","7","7","1","1") = "6"
    & skf21("4","3","4","3","7","7","2","1") = "6"
    & skf21("4","3","4","3","7","7","3","1") = "6"
    & skf21("4","3","4","3","7","7","4","1") = "6"
    & skf21("4","3","4","3","7","7","5","1") = "6"
    & skf21("4","3","4","3","7","7","6","1") = "6"
    & skf21("4","3","4","3","7","7","7","1") = "6"
    & skf21("4","3","4","4","1","1","1","1") = "3"
    & skf21("4","3","4","4","1","1","2","1") = "3"
    & skf21("4","3","4","4","1","1","3","1") = "3"
    & skf21("4","3","4","4","1","1","4","1") = "3"
    & skf21("4","3","4","4","1","1","5","1") = "4"
    & skf21("4","3","4","4","1","1","6","1") = "5"
    & skf21("4","3","4","4","1","1","7","1") = "6"
    & skf21("4","3","4","4","1","2","1","1") = "3"
    & skf21("4","3","4","4","1","2","2","1") = "3"
    & skf21("4","3","4","4","1","2","3","1") = "3"
    & skf21("4","3","4","4","1","2","4","1") = "3"
    & skf21("4","3","4","4","1","2","5","1") = "4"
    & skf21("4","3","4","4","1","2","6","1") = "5"
    & skf21("4","3","4","4","1","2","7","1") = "6"
    & skf21("4","3","4","4","1","3","1","1") = "3"
    & skf21("4","3","4","4","1","3","2","1") = "3"
    & skf21("4","3","4","4","1","3","3","1") = "3"
    & skf21("4","3","4","4","1","3","4","1") = "3"
    & skf21("4","3","4","4","1","3","5","1") = "4"
    & skf21("4","3","4","4","1","3","6","1") = "5"
    & skf21("4","3","4","4","1","3","7","1") = "6"
    & skf21("4","3","4","4","1","4","1","1") = "3"
    & skf21("4","3","4","4","1","4","2","1") = "3"
    & skf21("4","3","4","4","1","4","3","1") = "3"
    & skf21("4","3","4","4","1","4","4","1") = "3"
    & skf21("4","3","4","4","1","4","5","1") = "4"
    & skf21("4","3","4","4","1","4","6","1") = "5"
    & skf21("4","3","4","4","1","4","7","1") = "6"
    & skf21("4","3","4","4","1","5","1","1") = "4"
    & skf21("4","3","4","4","1","5","2","1") = "4"
    & skf21("4","3","4","4","1","5","3","1") = "4"
    & skf21("4","3","4","4","1","5","4","1") = "4"
    & skf21("4","3","4","4","1","5","5","1") = "4"
    & skf21("4","3","4","4","1","5","6","1") = "5"
    & skf21("4","3","4","4","1","5","7","1") = "6"
    & skf21("4","3","4","4","1","6","1","1") = "5"
    & skf21("4","3","4","4","1","6","2","1") = "5"
    & skf21("4","3","4","4","1","6","3","1") = "5"
    & skf21("4","3","4","4","1","6","4","1") = "5"
    & skf21("4","3","4","4","1","6","5","1") = "5"
    & skf21("4","3","4","4","1","6","6","1") = "5"
    & skf21("4","3","4","4","1","6","7","1") = "6"
    & skf21("4","3","4","4","1","7","1","1") = "6"
    & skf21("4","3","4","4","1","7","2","1") = "6"
    & skf21("4","3","4","4","1","7","3","1") = "6"
    & skf21("4","3","4","4","1","7","4","1") = "6"
    & skf21("4","3","4","4","1","7","5","1") = "6"
    & skf21("4","3","4","4","1","7","6","1") = "6"
    & skf21("4","3","4","4","1","7","7","1") = "6"
    & skf21("4","3","4","4","2","1","1","1") = "3"
    & skf21("4","3","4","4","2","1","2","1") = "3"
    & skf21("4","3","4","4","2","1","3","1") = "3"
    & skf21("4","3","4","4","2","1","4","1") = "3"
    & skf21("4","3","4","4","2","1","5","1") = "4"
    & skf21("4","3","4","4","2","1","6","1") = "5"
    & skf21("4","3","4","4","2","1","7","1") = "6"
    & skf21("4","3","4","4","2","2","1","1") = "3"
    & skf21("4","3","4","4","2","2","2","1") = "3"
    & skf21("4","3","4","4","2","2","3","1") = "3"
    & skf21("4","3","4","4","2","2","4","1") = "3"
    & skf21("4","3","4","4","2","2","5","1") = "4"
    & skf21("4","3","4","4","2","2","6","1") = "5"
    & skf21("4","3","4","4","2","2","7","1") = "6"
    & skf21("4","3","4","4","2","3","1","1") = "3"
    & skf21("4","3","4","4","2","3","2","1") = "3"
    & skf21("4","3","4","4","2","3","3","1") = "3"
    & skf21("4","3","4","4","2","3","4","1") = "3"
    & skf21("4","3","4","4","2","3","5","1") = "4"
    & skf21("4","3","4","4","2","3","6","1") = "5"
    & skf21("4","3","4","4","2","3","7","1") = "6"
    & skf21("4","3","4","4","2","4","1","1") = "3"
    & skf21("4","3","4","4","2","4","2","1") = "3"
    & skf21("4","3","4","4","2","4","3","1") = "3"
    & skf21("4","3","4","4","2","4","4","1") = "3"
    & skf21("4","3","4","4","2","4","5","1") = "4"
    & skf21("4","3","4","4","2","4","6","1") = "5"
    & skf21("4","3","4","4","2","4","7","1") = "6"
    & skf21("4","3","4","4","2","5","1","1") = "4"
    & skf21("4","3","4","4","2","5","2","1") = "4"
    & skf21("4","3","4","4","2","5","3","1") = "4"
    & skf21("4","3","4","4","2","5","4","1") = "4"
    & skf21("4","3","4","4","2","5","5","1") = "4"
    & skf21("4","3","4","4","2","5","6","1") = "5"
    & skf21("4","3","4","4","2","5","7","1") = "6"
    & skf21("4","3","4","4","2","6","1","1") = "5"
    & skf21("4","3","4","4","2","6","2","1") = "5"
    & skf21("4","3","4","4","2","6","3","1") = "5"
    & skf21("4","3","4","4","2","6","4","1") = "5"
    & skf21("4","3","4","4","2","6","5","1") = "5"
    & skf21("4","3","4","4","2","6","6","1") = "5"
    & skf21("4","3","4","4","2","6","7","1") = "6"
    & skf21("4","3","4","4","2","7","1","1") = "6"
    & skf21("4","3","4","4","2","7","2","1") = "6"
    & skf21("4","3","4","4","2","7","3","1") = "6"
    & skf21("4","3","4","4","2","7","4","1") = "6"
    & skf21("4","3","4","4","2","7","5","1") = "6"
    & skf21("4","3","4","4","2","7","6","1") = "6"
    & skf21("4","3","4","4","2","7","7","1") = "6"
    & skf21("4","3","4","4","3","1","1","1") = "3"
    & skf21("4","3","4","4","3","1","2","1") = "3"
    & skf21("4","3","4","4","3","1","3","1") = "3"
    & skf21("4","3","4","4","3","1","4","1") = "3"
    & skf21("4","3","4","4","3","1","5","1") = "4"
    & skf21("4","3","4","4","3","1","6","1") = "5"
    & skf21("4","3","4","4","3","1","7","1") = "6"
    & skf21("4","3","4","4","3","2","1","1") = "3"
    & skf21("4","3","4","4","3","2","2","1") = "3"
    & skf21("4","3","4","4","3","2","3","1") = "3"
    & skf21("4","3","4","4","3","2","4","1") = "3"
    & skf21("4","3","4","4","3","2","5","1") = "4"
    & skf21("4","3","4","4","3","2","6","1") = "5"
    & skf21("4","3","4","4","3","2","7","1") = "6"
    & skf21("4","3","4","4","3","3","1","1") = "3"
    & skf21("4","3","4","4","3","3","2","1") = "3"
    & skf21("4","3","4","4","3","3","3","1") = "3"
    & skf21("4","3","4","4","3","3","4","1") = "3"
    & skf21("4","3","4","4","3","3","5","1") = "4"
    & skf21("4","3","4","4","3","3","6","1") = "5"
    & skf21("4","3","4","4","3","3","7","1") = "6"
    & skf21("4","3","4","4","3","4","1","1") = "3"
    & skf21("4","3","4","4","3","4","2","1") = "3"
    & skf21("4","3","4","4","3","4","3","1") = "3"
    & skf21("4","3","4","4","3","4","4","1") = "3"
    & skf21("4","3","4","4","3","4","5","1") = "4"
    & skf21("4","3","4","4","3","4","6","1") = "5"
    & skf21("4","3","4","4","3","4","7","1") = "6"
    & skf21("4","3","4","4","3","5","1","1") = "4"
    & skf21("4","3","4","4","3","5","2","1") = "4"
    & skf21("4","3","4","4","3","5","3","1") = "4"
    & skf21("4","3","4","4","3","5","4","1") = "4"
    & skf21("4","3","4","4","3","5","5","1") = "4"
    & skf21("4","3","4","4","3","5","6","1") = "5"
    & skf21("4","3","4","4","3","5","7","1") = "6"
    & skf21("4","3","4","4","3","6","1","1") = "5"
    & skf21("4","3","4","4","3","6","2","1") = "5"
    & skf21("4","3","4","4","3","6","3","1") = "5"
    & skf21("4","3","4","4","3","6","4","1") = "5"
    & skf21("4","3","4","4","3","6","5","1") = "5"
    & skf21("4","3","4","4","3","6","6","1") = "5"
    & skf21("4","3","4","4","3","6","7","1") = "6"
    & skf21("4","3","4","4","3","7","1","1") = "6"
    & skf21("4","3","4","4","3","7","2","1") = "6"
    & skf21("4","3","4","4","3","7","3","1") = "6"
    & skf21("4","3","4","4","3","7","4","1") = "6"
    & skf21("4","3","4","4","3","7","5","1") = "6"
    & skf21("4","3","4","4","3","7","6","1") = "6"
    & skf21("4","3","4","4","3","7","7","1") = "6"
    & skf21("4","3","4","4","4","1","1","1") = "3"
    & skf21("4","3","4","4","4","1","2","1") = "3"
    & skf21("4","3","4","4","4","1","3","1") = "3"
    & skf21("4","3","4","4","4","1","4","1") = "3"
    & skf21("4","3","4","4","4","1","5","1") = "4"
    & skf21("4","3","4","4","4","1","6","1") = "5"
    & skf21("4","3","4","4","4","1","7","1") = "6"
    & skf21("4","3","4","4","4","2","1","1") = "3"
    & skf21("4","3","4","4","4","2","2","1") = "3"
    & skf21("4","3","4","4","4","2","3","1") = "3"
    & skf21("4","3","4","4","4","2","4","1") = "3"
    & skf21("4","3","4","4","4","2","5","1") = "4"
    & skf21("4","3","4","4","4","2","6","1") = "5"
    & skf21("4","3","4","4","4","2","7","1") = "6"
    & skf21("4","3","4","4","4","3","1","1") = "3"
    & skf21("4","3","4","4","4","3","2","1") = "3"
    & skf21("4","3","4","4","4","3","3","1") = "3"
    & skf21("4","3","4","4","4","3","4","1") = "3"
    & skf21("4","3","4","4","4","3","5","1") = "4"
    & skf21("4","3","4","4","4","3","6","1") = "5"
    & skf21("4","3","4","4","4","3","7","1") = "6"
    & skf21("4","3","4","4","4","4","1","1") = "3"
    & skf21("4","3","4","4","4","4","2","1") = "3"
    & skf21("4","3","4","4","4","4","3","1") = "3"
    & skf21("4","3","4","4","4","4","4","1") = "3"
    & skf21("4","3","4","4","4","4","5","1") = "4"
    & skf21("4","3","4","4","4","4","6","1") = "5"
    & skf21("4","3","4","4","4","4","7","1") = "6"
    & skf21("4","3","4","4","4","5","1","1") = "4"
    & skf21("4","3","4","4","4","5","2","1") = "4"
    & skf21("4","3","4","4","4","5","3","1") = "4"
    & skf21("4","3","4","4","4","5","4","1") = "4"
    & skf21("4","3","4","4","4","5","5","1") = "4"
    & skf21("4","3","4","4","4","5","6","1") = "5"
    & skf21("4","3","4","4","4","5","7","1") = "6"
    & skf21("4","3","4","4","4","6","1","1") = "5"
    & skf21("4","3","4","4","4","6","2","1") = "5"
    & skf21("4","3","4","4","4","6","3","1") = "5"
    & skf21("4","3","4","4","4","6","4","1") = "5"
    & skf21("4","3","4","4","4","6","5","1") = "5"
    & skf21("4","3","4","4","4","6","6","1") = "5"
    & skf21("4","3","4","4","4","6","7","1") = "6"
    & skf21("4","3","4","4","4","7","1","1") = "6"
    & skf21("4","3","4","4","4","7","2","1") = "6"
    & skf21("4","3","4","4","4","7","3","1") = "6"
    & skf21("4","3","4","4","4","7","4","1") = "6"
    & skf21("4","3","4","4","4","7","5","1") = "6"
    & skf21("4","3","4","4","4","7","6","1") = "6"
    & skf21("4","3","4","4","4","7","7","1") = "6"
    & skf21("4","3","4","4","5","1","1","1") = "4"
    & skf21("4","3","4","4","5","1","2","1") = "4"
    & skf21("4","3","4","4","5","1","3","1") = "4"
    & skf21("4","3","4","4","5","1","4","1") = "4"
    & skf21("4","3","4","4","5","1","5","1") = "4"
    & skf21("4","3","4","4","5","1","6","1") = "5"
    & skf21("4","3","4","4","5","1","7","1") = "6"
    & skf21("4","3","4","4","5","2","1","1") = "4"
    & skf21("4","3","4","4","5","2","2","1") = "4"
    & skf21("4","3","4","4","5","2","3","1") = "4"
    & skf21("4","3","4","4","5","2","4","1") = "4"
    & skf21("4","3","4","4","5","2","5","1") = "4"
    & skf21("4","3","4","4","5","2","6","1") = "5"
    & skf21("4","3","4","4","5","2","7","1") = "6"
    & skf21("4","3","4","4","5","3","1","1") = "4"
    & skf21("4","3","4","4","5","3","2","1") = "4"
    & skf21("4","3","4","4","5","3","3","1") = "4"
    & skf21("4","3","4","4","5","3","4","1") = "4"
    & skf21("4","3","4","4","5","3","5","1") = "4"
    & skf21("4","3","4","4","5","3","6","1") = "5"
    & skf21("4","3","4","4","5","3","7","1") = "6"
    & skf21("4","3","4","4","5","4","1","1") = "4"
    & skf21("4","3","4","4","5","4","2","1") = "4"
    & skf21("4","3","4","4","5","4","3","1") = "4"
    & skf21("4","3","4","4","5","4","4","1") = "4"
    & skf21("4","3","4","4","5","4","5","1") = "4"
    & skf21("4","3","4","4","5","4","6","1") = "5"
    & skf21("4","3","4","4","5","4","7","1") = "6"
    & skf21("4","3","4","4","5","5","1","1") = "4"
    & skf21("4","3","4","4","5","5","2","1") = "4"
    & skf21("4","3","4","4","5","5","3","1") = "4"
    & skf21("4","3","4","4","5","5","4","1") = "4"
    & skf21("4","3","4","4","5","5","5","1") = "4"
    & skf21("4","3","4","4","5","5","6","1") = "5"
    & skf21("4","3","4","4","5","5","7","1") = "6"
    & skf21("4","3","4","4","5","6","1","1") = "5"
    & skf21("4","3","4","4","5","6","2","1") = "5"
    & skf21("4","3","4","4","5","6","3","1") = "5"
    & skf21("4","3","4","4","5","6","4","1") = "5"
    & skf21("4","3","4","4","5","6","5","1") = "5"
    & skf21("4","3","4","4","5","6","6","1") = "5"
    & skf21("4","3","4","4","5","6","7","1") = "6"
    & skf21("4","3","4","4","5","7","1","1") = "6"
    & skf21("4","3","4","4","5","7","2","1") = "6"
    & skf21("4","3","4","4","5","7","3","1") = "6"
    & skf21("4","3","4","4","5","7","4","1") = "6"
    & skf21("4","3","4","4","5","7","5","1") = "6"
    & skf21("4","3","4","4","5","7","6","1") = "6"
    & skf21("4","3","4","4","5","7","7","1") = "6"
    & skf21("4","3","4","4","6","1","1","1") = "5"
    & skf21("4","3","4","4","6","1","2","1") = "5"
    & skf21("4","3","4","4","6","1","3","1") = "5"
    & skf21("4","3","4","4","6","1","4","1") = "5"
    & skf21("4","3","4","4","6","1","5","1") = "5"
    & skf21("4","3","4","4","6","1","6","1") = "5"
    & skf21("4","3","4","4","6","1","7","1") = "6"
    & skf21("4","3","4","4","6","2","1","1") = "5"
    & skf21("4","3","4","4","6","2","2","1") = "5"
    & skf21("4","3","4","4","6","2","3","1") = "5"
    & skf21("4","3","4","4","6","2","4","1") = "5"
    & skf21("4","3","4","4","6","2","5","1") = "5"
    & skf21("4","3","4","4","6","2","6","1") = "5"
    & skf21("4","3","4","4","6","2","7","1") = "6"
    & skf21("4","3","4","4","6","3","1","1") = "5"
    & skf21("4","3","4","4","6","3","2","1") = "5"
    & skf21("4","3","4","4","6","3","3","1") = "5"
    & skf21("4","3","4","4","6","3","4","1") = "5"
    & skf21("4","3","4","4","6","3","5","1") = "5"
    & skf21("4","3","4","4","6","3","6","1") = "5"
    & skf21("4","3","4","4","6","3","7","1") = "6"
    & skf21("4","3","4","4","6","4","1","1") = "5"
    & skf21("4","3","4","4","6","4","2","1") = "5"
    & skf21("4","3","4","4","6","4","3","1") = "5"
    & skf21("4","3","4","4","6","4","4","1") = "5"
    & skf21("4","3","4","4","6","4","5","1") = "5"
    & skf21("4","3","4","4","6","4","6","1") = "5"
    & skf21("4","3","4","4","6","4","7","1") = "6"
    & skf21("4","3","4","4","6","5","1","1") = "5"
    & skf21("4","3","4","4","6","5","2","1") = "5"
    & skf21("4","3","4","4","6","5","3","1") = "5"
    & skf21("4","3","4","4","6","5","4","1") = "5"
    & skf21("4","3","4","4","6","5","5","1") = "5"
    & skf21("4","3","4","4","6","5","6","1") = "5"
    & skf21("4","3","4","4","6","5","7","1") = "6"
    & skf21("4","3","4","4","6","6","1","1") = "5"
    & skf21("4","3","4","4","6","6","2","1") = "5"
    & skf21("4","3","4","4","6","6","3","1") = "5"
    & skf21("4","3","4","4","6","6","4","1") = "5"
    & skf21("4","3","4","4","6","6","5","1") = "5"
    & skf21("4","3","4","4","6","6","6","1") = "5"
    & skf21("4","3","4","4","6","6","7","1") = "6"
    & skf21("4","3","4","4","6","7","1","1") = "6"
    & skf21("4","3","4","4","6","7","2","1") = "6"
    & skf21("4","3","4","4","6","7","3","1") = "6"
    & skf21("4","3","4","4","6","7","4","1") = "6"
    & skf21("4","3","4","4","6","7","5","1") = "6"
    & skf21("4","3","4","4","6","7","6","1") = "6"
    & skf21("4","3","4","4","6","7","7","1") = "6"
    & skf21("4","3","4","4","7","1","1","1") = "6"
    & skf21("4","3","4","4","7","1","2","1") = "6"
    & skf21("4","3","4","4","7","1","3","1") = "6"
    & skf21("4","3","4","4","7","1","4","1") = "6"
    & skf21("4","3","4","4","7","1","5","1") = "6"
    & skf21("4","3","4","4","7","1","6","1") = "6"
    & skf21("4","3","4","4","7","1","7","1") = "6"
    & skf21("4","3","4","4","7","2","1","1") = "6"
    & skf21("4","3","4","4","7","2","2","1") = "6"
    & skf21("4","3","4","4","7","2","3","1") = "6"
    & skf21("4","3","4","4","7","2","4","1") = "6"
    & skf21("4","3","4","4","7","2","5","1") = "6"
    & skf21("4","3","4","4","7","2","6","1") = "6"
    & skf21("4","3","4","4","7","2","7","1") = "6"
    & skf21("4","3","4","4","7","3","1","1") = "6"
    & skf21("4","3","4","4","7","3","2","1") = "6"
    & skf21("4","3","4","4","7","3","3","1") = "6"
    & skf21("4","3","4","4","7","3","4","1") = "6"
    & skf21("4","3","4","4","7","3","5","1") = "6"
    & skf21("4","3","4","4","7","3","6","1") = "6"
    & skf21("4","3","4","4","7","3","7","1") = "6"
    & skf21("4","3","4","4","7","4","1","1") = "6"
    & skf21("4","3","4","4","7","4","2","1") = "6"
    & skf21("4","3","4","4","7","4","3","1") = "6"
    & skf21("4","3","4","4","7","4","4","1") = "6"
    & skf21("4","3","4","4","7","4","5","1") = "6"
    & skf21("4","3","4","4","7","4","6","1") = "6"
    & skf21("4","3","4","4","7","4","7","1") = "6"
    & skf21("4","3","4","4","7","5","1","1") = "6"
    & skf21("4","3","4","4","7","5","2","1") = "6"
    & skf21("4","3","4","4","7","5","3","1") = "6"
    & skf21("4","3","4","4","7","5","4","1") = "6"
    & skf21("4","3","4","4","7","5","5","1") = "6"
    & skf21("4","3","4","4","7","5","6","1") = "6"
    & skf21("4","3","4","4","7","5","7","1") = "6"
    & skf21("4","3","4","4","7","6","1","1") = "6"
    & skf21("4","3","4","4","7","6","2","1") = "6"
    & skf21("4","3","4","4","7","6","3","1") = "6"
    & skf21("4","3","4","4","7","6","4","1") = "6"
    & skf21("4","3","4","4","7","6","5","1") = "6"
    & skf21("4","3","4","4","7","6","6","1") = "6"
    & skf21("4","3","4","4","7","6","7","1") = "6"
    & skf21("4","3","4","4","7","7","1","1") = "6"
    & skf21("4","3","4","4","7","7","2","1") = "6"
    & skf21("4","3","4","4","7","7","3","1") = "6"
    & skf21("4","3","4","4","7","7","4","1") = "6"
    & skf21("4","3","4","4","7","7","5","1") = "6"
    & skf21("4","3","4","4","7","7","6","1") = "6"
    & skf21("4","3","4","4","7","7","7","1") = "6"
    & skf21("4","3","4","5","1","1","1","1") = "4"
    & skf21("4","3","4","5","1","1","2","1") = "4"
    & skf21("4","3","4","5","1","1","3","1") = "4"
    & skf21("4","3","4","5","1","1","4","1") = "4"
    & skf21("4","3","4","5","1","1","5","1") = "4"
    & skf21("4","3","4","5","1","1","6","1") = "5"
    & skf21("4","3","4","5","1","1","7","1") = "6"
    & skf21("4","3","4","5","1","2","1","1") = "4"
    & skf21("4","3","4","5","1","2","2","1") = "4"
    & skf21("4","3","4","5","1","2","3","1") = "4"
    & skf21("4","3","4","5","1","2","4","1") = "4"
    & skf21("4","3","4","5","1","2","5","1") = "4"
    & skf21("4","3","4","5","1","2","6","1") = "5"
    & skf21("4","3","4","5","1","2","7","1") = "6"
    & skf21("4","3","4","5","1","3","1","1") = "4"
    & skf21("4","3","4","5","1","3","2","1") = "4"
    & skf21("4","3","4","5","1","3","3","1") = "4"
    & skf21("4","3","4","5","1","3","4","1") = "4"
    & skf21("4","3","4","5","1","3","5","1") = "4"
    & skf21("4","3","4","5","1","3","6","1") = "5"
    & skf21("4","3","4","5","1","3","7","1") = "6"
    & skf21("4","3","4","5","1","4","1","1") = "4"
    & skf21("4","3","4","5","1","4","2","1") = "4"
    & skf21("4","3","4","5","1","4","3","1") = "4"
    & skf21("4","3","4","5","1","4","4","1") = "4"
    & skf21("4","3","4","5","1","4","5","1") = "4"
    & skf21("4","3","4","5","1","4","6","1") = "5"
    & skf21("4","3","4","5","1","4","7","1") = "6"
    & skf21("4","3","4","5","1","5","1","1") = "4"
    & skf21("4","3","4","5","1","5","2","1") = "4"
    & skf21("4","3","4","5","1","5","3","1") = "4"
    & skf21("4","3","4","5","1","5","4","1") = "4"
    & skf21("4","3","4","5","1","5","5","1") = "4"
    & skf21("4","3","4","5","1","5","6","1") = "5"
    & skf21("4","3","4","5","1","5","7","1") = "6"
    & skf21("4","3","4","5","1","6","1","1") = "5"
    & skf21("4","3","4","5","1","6","2","1") = "5"
    & skf21("4","3","4","5","1","6","3","1") = "5"
    & skf21("4","3","4","5","1","6","4","1") = "5"
    & skf21("4","3","4","5","1","6","5","1") = "5"
    & skf21("4","3","4","5","1","6","6","1") = "5"
    & skf21("4","3","4","5","1","6","7","1") = "6"
    & skf21("4","3","4","5","1","7","1","1") = "6"
    & skf21("4","3","4","5","1","7","2","1") = "6"
    & skf21("4","3","4","5","1","7","3","1") = "6"
    & skf21("4","3","4","5","1","7","4","1") = "6"
    & skf21("4","3","4","5","1","7","5","1") = "6"
    & skf21("4","3","4","5","1","7","6","1") = "6"
    & skf21("4","3","4","5","1","7","7","1") = "6"
    & skf21("4","3","4","5","2","1","1","1") = "4"
    & skf21("4","3","4","5","2","1","2","1") = "4"
    & skf21("4","3","4","5","2","1","3","1") = "4"
    & skf21("4","3","4","5","2","1","4","1") = "4"
    & skf21("4","3","4","5","2","1","5","1") = "4"
    & skf21("4","3","4","5","2","1","6","1") = "5"
    & skf21("4","3","4","5","2","1","7","1") = "6"
    & skf21("4","3","4","5","2","2","1","1") = "4"
    & skf21("4","3","4","5","2","2","2","1") = "4"
    & skf21("4","3","4","5","2","2","3","1") = "4"
    & skf21("4","3","4","5","2","2","4","1") = "4"
    & skf21("4","3","4","5","2","2","5","1") = "4"
    & skf21("4","3","4","5","2","2","6","1") = "5"
    & skf21("4","3","4","5","2","2","7","1") = "6"
    & skf21("4","3","4","5","2","3","1","1") = "4"
    & skf21("4","3","4","5","2","3","2","1") = "4"
    & skf21("4","3","4","5","2","3","3","1") = "4"
    & skf21("4","3","4","5","2","3","4","1") = "4"
    & skf21("4","3","4","5","2","3","5","1") = "4"
    & skf21("4","3","4","5","2","3","6","1") = "5"
    & skf21("4","3","4","5","2","3","7","1") = "6"
    & skf21("4","3","4","5","2","4","1","1") = "4"
    & skf21("4","3","4","5","2","4","2","1") = "4"
    & skf21("4","3","4","5","2","4","3","1") = "4"
    & skf21("4","3","4","5","2","4","4","1") = "4"
    & skf21("4","3","4","5","2","4","5","1") = "4"
    & skf21("4","3","4","5","2","4","6","1") = "5"
    & skf21("4","3","4","5","2","4","7","1") = "6"
    & skf21("4","3","4","5","2","5","1","1") = "4"
    & skf21("4","3","4","5","2","5","2","1") = "4"
    & skf21("4","3","4","5","2","5","3","1") = "4"
    & skf21("4","3","4","5","2","5","4","1") = "4"
    & skf21("4","3","4","5","2","5","5","1") = "4"
    & skf21("4","3","4","5","2","5","6","1") = "5"
    & skf21("4","3","4","5","2","5","7","1") = "6"
    & skf21("4","3","4","5","2","6","1","1") = "5"
    & skf21("4","3","4","5","2","6","2","1") = "5"
    & skf21("4","3","4","5","2","6","3","1") = "5"
    & skf21("4","3","4","5","2","6","4","1") = "5"
    & skf21("4","3","4","5","2","6","5","1") = "5"
    & skf21("4","3","4","5","2","6","6","1") = "5"
    & skf21("4","3","4","5","2","6","7","1") = "6"
    & skf21("4","3","4","5","2","7","1","1") = "6"
    & skf21("4","3","4","5","2","7","2","1") = "6"
    & skf21("4","3","4","5","2","7","3","1") = "6"
    & skf21("4","3","4","5","2","7","4","1") = "6"
    & skf21("4","3","4","5","2","7","5","1") = "6"
    & skf21("4","3","4","5","2","7","6","1") = "6"
    & skf21("4","3","4","5","2","7","7","1") = "6"
    & skf21("4","3","4","5","3","1","1","1") = "4"
    & skf21("4","3","4","5","3","1","2","1") = "4"
    & skf21("4","3","4","5","3","1","3","1") = "4"
    & skf21("4","3","4","5","3","1","4","1") = "4"
    & skf21("4","3","4","5","3","1","5","1") = "4"
    & skf21("4","3","4","5","3","1","6","1") = "5"
    & skf21("4","3","4","5","3","1","7","1") = "6"
    & skf21("4","3","4","5","3","2","1","1") = "4"
    & skf21("4","3","4","5","3","2","2","1") = "4"
    & skf21("4","3","4","5","3","2","3","1") = "4"
    & skf21("4","3","4","5","3","2","4","1") = "4"
    & skf21("4","3","4","5","3","2","5","1") = "4"
    & skf21("4","3","4","5","3","2","6","1") = "5"
    & skf21("4","3","4","5","3","2","7","1") = "6"
    & skf21("4","3","4","5","3","3","1","1") = "4"
    & skf21("4","3","4","5","3","3","2","1") = "4"
    & skf21("4","3","4","5","3","3","3","1") = "4"
    & skf21("4","3","4","5","3","3","4","1") = "4"
    & skf21("4","3","4","5","3","3","5","1") = "4"
    & skf21("4","3","4","5","3","3","6","1") = "5"
    & skf21("4","3","4","5","3","3","7","1") = "6"
    & skf21("4","3","4","5","3","4","1","1") = "4"
    & skf21("4","3","4","5","3","4","2","1") = "4"
    & skf21("4","3","4","5","3","4","3","1") = "4"
    & skf21("4","3","4","5","3","4","4","1") = "4"
    & skf21("4","3","4","5","3","4","5","1") = "4"
    & skf21("4","3","4","5","3","4","6","1") = "5"
    & skf21("4","3","4","5","3","4","7","1") = "6"
    & skf21("4","3","4","5","3","5","1","1") = "4"
    & skf21("4","3","4","5","3","5","2","1") = "4"
    & skf21("4","3","4","5","3","5","3","1") = "4"
    & skf21("4","3","4","5","3","5","4","1") = "4"
    & skf21("4","3","4","5","3","5","5","1") = "4"
    & skf21("4","3","4","5","3","5","6","1") = "5"
    & skf21("4","3","4","5","3","5","7","1") = "6"
    & skf21("4","3","4","5","3","6","1","1") = "5"
    & skf21("4","3","4","5","3","6","2","1") = "5"
    & skf21("4","3","4","5","3","6","3","1") = "5"
    & skf21("4","3","4","5","3","6","4","1") = "5"
    & skf21("4","3","4","5","3","6","5","1") = "5"
    & skf21("4","3","4","5","3","6","6","1") = "5"
    & skf21("4","3","4","5","3","6","7","1") = "6"
    & skf21("4","3","4","5","3","7","1","1") = "6"
    & skf21("4","3","4","5","3","7","2","1") = "6"
    & skf21("4","3","4","5","3","7","3","1") = "6"
    & skf21("4","3","4","5","3","7","4","1") = "6"
    & skf21("4","3","4","5","3","7","5","1") = "6"
    & skf21("4","3","4","5","3","7","6","1") = "6"
    & skf21("4","3","4","5","3","7","7","1") = "6"
    & skf21("4","3","4","5","4","1","1","1") = "4"
    & skf21("4","3","4","5","4","1","2","1") = "4"
    & skf21("4","3","4","5","4","1","3","1") = "4"
    & skf21("4","3","4","5","4","1","4","1") = "4"
    & skf21("4","3","4","5","4","1","5","1") = "4"
    & skf21("4","3","4","5","4","1","6","1") = "5"
    & skf21("4","3","4","5","4","1","7","1") = "6"
    & skf21("4","3","4","5","4","2","1","1") = "4"
    & skf21("4","3","4","5","4","2","2","1") = "4"
    & skf21("4","3","4","5","4","2","3","1") = "4"
    & skf21("4","3","4","5","4","2","4","1") = "4"
    & skf21("4","3","4","5","4","2","5","1") = "4"
    & skf21("4","3","4","5","4","2","6","1") = "5"
    & skf21("4","3","4","5","4","2","7","1") = "6"
    & skf21("4","3","4","5","4","3","1","1") = "4"
    & skf21("4","3","4","5","4","3","2","1") = "4"
    & skf21("4","3","4","5","4","3","3","1") = "4"
    & skf21("4","3","4","5","4","3","4","1") = "4"
    & skf21("4","3","4","5","4","3","5","1") = "4"
    & skf21("4","3","4","5","4","3","6","1") = "5"
    & skf21("4","3","4","5","4","3","7","1") = "6"
    & skf21("4","3","4","5","4","4","1","1") = "4"
    & skf21("4","3","4","5","4","4","2","1") = "4"
    & skf21("4","3","4","5","4","4","3","1") = "4"
    & skf21("4","3","4","5","4","4","4","1") = "4"
    & skf21("4","3","4","5","4","4","5","1") = "4"
    & skf21("4","3","4","5","4","4","6","1") = "5"
    & skf21("4","3","4","5","4","4","7","1") = "6"
    & skf21("4","3","4","5","4","5","1","1") = "4"
    & skf21("4","3","4","5","4","5","2","1") = "4"
    & skf21("4","3","4","5","4","5","3","1") = "4"
    & skf21("4","3","4","5","4","5","4","1") = "4"
    & skf21("4","3","4","5","4","5","5","1") = "4"
    & skf21("4","3","4","5","4","5","6","1") = "5"
    & skf21("4","3","4","5","4","5","7","1") = "6"
    & skf21("4","3","4","5","4","6","1","1") = "5"
    & skf21("4","3","4","5","4","6","2","1") = "5"
    & skf21("4","3","4","5","4","6","3","1") = "5"
    & skf21("4","3","4","5","4","6","4","1") = "5"
    & skf21("4","3","4","5","4","6","5","1") = "5"
    & skf21("4","3","4","5","4","6","6","1") = "5"
    & skf21("4","3","4","5","4","6","7","1") = "6"
    & skf21("4","3","4","5","4","7","1","1") = "6"
    & skf21("4","3","4","5","4","7","2","1") = "6"
    & skf21("4","3","4","5","4","7","3","1") = "6"
    & skf21("4","3","4","5","4","7","4","1") = "6"
    & skf21("4","3","4","5","4","7","5","1") = "6"
    & skf21("4","3","4","5","4","7","6","1") = "6"
    & skf21("4","3","4","5","4","7","7","1") = "6"
    & skf21("4","3","4","5","5","1","1","1") = "4"
    & skf21("4","3","4","5","5","1","2","1") = "4"
    & skf21("4","3","4","5","5","1","3","1") = "4"
    & skf21("4","3","4","5","5","1","4","1") = "4"
    & skf21("4","3","4","5","5","1","5","1") = "4"
    & skf21("4","3","4","5","5","1","6","1") = "5"
    & skf21("4","3","4","5","5","1","7","1") = "6"
    & skf21("4","3","4","5","5","2","1","1") = "4"
    & skf21("4","3","4","5","5","2","2","1") = "4"
    & skf21("4","3","4","5","5","2","3","1") = "4"
    & skf21("4","3","4","5","5","2","4","1") = "4"
    & skf21("4","3","4","5","5","2","5","1") = "4"
    & skf21("4","3","4","5","5","2","6","1") = "5"
    & skf21("4","3","4","5","5","2","7","1") = "6"
    & skf21("4","3","4","5","5","3","1","1") = "4"
    & skf21("4","3","4","5","5","3","2","1") = "4"
    & skf21("4","3","4","5","5","3","3","1") = "4"
    & skf21("4","3","4","5","5","3","4","1") = "4"
    & skf21("4","3","4","5","5","3","5","1") = "4"
    & skf21("4","3","4","5","5","3","6","1") = "5"
    & skf21("4","3","4","5","5","3","7","1") = "6"
    & skf21("4","3","4","5","5","4","1","1") = "4"
    & skf21("4","3","4","5","5","4","2","1") = "4"
    & skf21("4","3","4","5","5","4","3","1") = "4"
    & skf21("4","3","4","5","5","4","4","1") = "4"
    & skf21("4","3","4","5","5","4","5","1") = "4"
    & skf21("4","3","4","5","5","4","6","1") = "5"
    & skf21("4","3","4","5","5","4","7","1") = "6"
    & skf21("4","3","4","5","5","5","1","1") = "4"
    & skf21("4","3","4","5","5","5","2","1") = "4"
    & skf21("4","3","4","5","5","5","3","1") = "4"
    & skf21("4","3","4","5","5","5","4","1") = "4"
    & skf21("4","3","4","5","5","5","5","1") = "4"
    & skf21("4","3","4","5","5","5","6","1") = "5"
    & skf21("4","3","4","5","5","5","7","1") = "6"
    & skf21("4","3","4","5","5","6","1","1") = "5"
    & skf21("4","3","4","5","5","6","2","1") = "5"
    & skf21("4","3","4","5","5","6","3","1") = "5"
    & skf21("4","3","4","5","5","6","4","1") = "5"
    & skf21("4","3","4","5","5","6","5","1") = "5"
    & skf21("4","3","4","5","5","6","6","1") = "5"
    & skf21("4","3","4","5","5","6","7","1") = "6"
    & skf21("4","3","4","5","5","7","1","1") = "6"
    & skf21("4","3","4","5","5","7","2","1") = "6"
    & skf21("4","3","4","5","5","7","3","1") = "6"
    & skf21("4","3","4","5","5","7","4","1") = "6"
    & skf21("4","3","4","5","5","7","5","1") = "6"
    & skf21("4","3","4","5","5","7","6","1") = "6"
    & skf21("4","3","4","5","5","7","7","1") = "6"
    & skf21("4","3","4","5","6","1","1","1") = "5"
    & skf21("4","3","4","5","6","1","2","1") = "5"
    & skf21("4","3","4","5","6","1","3","1") = "5"
    & skf21("4","3","4","5","6","1","4","1") = "5"
    & skf21("4","3","4","5","6","1","5","1") = "5"
    & skf21("4","3","4","5","6","1","6","1") = "5"
    & skf21("4","3","4","5","6","1","7","1") = "6"
    & skf21("4","3","4","5","6","2","1","1") = "5"
    & skf21("4","3","4","5","6","2","2","1") = "5"
    & skf21("4","3","4","5","6","2","3","1") = "5"
    & skf21("4","3","4","5","6","2","4","1") = "5"
    & skf21("4","3","4","5","6","2","5","1") = "5"
    & skf21("4","3","4","5","6","2","6","1") = "5"
    & skf21("4","3","4","5","6","2","7","1") = "6"
    & skf21("4","3","4","5","6","3","1","1") = "5"
    & skf21("4","3","4","5","6","3","2","1") = "5"
    & skf21("4","3","4","5","6","3","3","1") = "5"
    & skf21("4","3","4","5","6","3","4","1") = "5"
    & skf21("4","3","4","5","6","3","5","1") = "5"
    & skf21("4","3","4","5","6","3","6","1") = "5"
    & skf21("4","3","4","5","6","3","7","1") = "6"
    & skf21("4","3","4","5","6","4","1","1") = "5"
    & skf21("4","3","4","5","6","4","2","1") = "5"
    & skf21("4","3","4","5","6","4","3","1") = "5"
    & skf21("4","3","4","5","6","4","4","1") = "5"
    & skf21("4","3","4","5","6","4","5","1") = "5"
    & skf21("4","3","4","5","6","4","6","1") = "5"
    & skf21("4","3","4","5","6","4","7","1") = "6"
    & skf21("4","3","4","5","6","5","1","1") = "5"
    & skf21("4","3","4","5","6","5","2","1") = "5"
    & skf21("4","3","4","5","6","5","3","1") = "5"
    & skf21("4","3","4","5","6","5","4","1") = "5"
    & skf21("4","3","4","5","6","5","5","1") = "5"
    & skf21("4","3","4","5","6","5","6","1") = "5"
    & skf21("4","3","4","5","6","5","7","1") = "6"
    & skf21("4","3","4","5","6","6","1","1") = "5"
    & skf21("4","3","4","5","6","6","2","1") = "5"
    & skf21("4","3","4","5","6","6","3","1") = "5"
    & skf21("4","3","4","5","6","6","4","1") = "5"
    & skf21("4","3","4","5","6","6","5","1") = "5"
    & skf21("4","3","4","5","6","6","6","1") = "5"
    & skf21("4","3","4","5","6","6","7","1") = "6"
    & skf21("4","3","4","5","6","7","1","1") = "6"
    & skf21("4","3","4","5","6","7","2","1") = "6"
    & skf21("4","3","4","5","6","7","3","1") = "6"
    & skf21("4","3","4","5","6","7","4","1") = "6"
    & skf21("4","3","4","5","6","7","5","1") = "6"
    & skf21("4","3","4","5","6","7","6","1") = "6"
    & skf21("4","3","4","5","6","7","7","1") = "6"
    & skf21("4","3","4","5","7","1","1","1") = "6"
    & skf21("4","3","4","5","7","1","2","1") = "6"
    & skf21("4","3","4","5","7","1","3","1") = "6"
    & skf21("4","3","4","5","7","1","4","1") = "6"
    & skf21("4","3","4","5","7","1","5","1") = "6"
    & skf21("4","3","4","5","7","1","6","1") = "6"
    & skf21("4","3","4","5","7","1","7","1") = "6"
    & skf21("4","3","4","5","7","2","1","1") = "6"
    & skf21("4","3","4","5","7","2","2","1") = "6"
    & skf21("4","3","4","5","7","2","3","1") = "6"
    & skf21("4","3","4","5","7","2","4","1") = "6"
    & skf21("4","3","4","5","7","2","5","1") = "6"
    & skf21("4","3","4","5","7","2","6","1") = "6"
    & skf21("4","3","4","5","7","2","7","1") = "6"
    & skf21("4","3","4","5","7","3","1","1") = "6"
    & skf21("4","3","4","5","7","3","2","1") = "6"
    & skf21("4","3","4","5","7","3","3","1") = "6"
    & skf21("4","3","4","5","7","3","4","1") = "6"
    & skf21("4","3","4","5","7","3","5","1") = "6"
    & skf21("4","3","4","5","7","3","6","1") = "6"
    & skf21("4","3","4","5","7","3","7","1") = "6"
    & skf21("4","3","4","5","7","4","1","1") = "6"
    & skf21("4","3","4","5","7","4","2","1") = "6"
    & skf21("4","3","4","5","7","4","3","1") = "6"
    & skf21("4","3","4","5","7","4","4","1") = "6"
    & skf21("4","3","4","5","7","4","5","1") = "6"
    & skf21("4","3","4","5","7","4","6","1") = "6"
    & skf21("4","3","4","5","7","4","7","1") = "6"
    & skf21("4","3","4","5","7","5","1","1") = "6"
    & skf21("4","3","4","5","7","5","2","1") = "6"
    & skf21("4","3","4","5","7","5","3","1") = "6"
    & skf21("4","3","4","5","7","5","4","1") = "6"
    & skf21("4","3","4","5","7","5","5","1") = "6"
    & skf21("4","3","4","5","7","5","6","1") = "6"
    & skf21("4","3","4","5","7","5","7","1") = "6"
    & skf21("4","3","4","5","7","6","1","1") = "6"
    & skf21("4","3","4","5","7","6","2","1") = "6"
    & skf21("4","3","4","5","7","6","3","1") = "6"
    & skf21("4","3","4","5","7","6","4","1") = "6"
    & skf21("4","3","4","5","7","6","5","1") = "6"
    & skf21("4","3","4","5","7","6","6","1") = "6"
    & skf21("4","3","4","5","7","6","7","1") = "6"
    & skf21("4","3","4","5","7","7","1","1") = "6"
    & skf21("4","3","4","5","7","7","2","1") = "6"
    & skf21("4","3","4","5","7","7","3","1") = "6"
    & skf21("4","3","4","5","7","7","4","1") = "6"
    & skf21("4","3","4","5","7","7","5","1") = "6"
    & skf21("4","3","4","5","7","7","6","1") = "6"
    & skf21("4","3","4","5","7","7","7","1") = "6"
    & skf21("4","3","4","6","1","1","1","1") = "5"
    & skf21("4","3","4","6","1","1","2","1") = "5"
    & skf21("4","3","4","6","1","1","3","1") = "5"
    & skf21("4","3","4","6","1","1","4","1") = "5"
    & skf21("4","3","4","6","1","1","5","1") = "5"
    & skf21("4","3","4","6","1","1","6","1") = "5"
    & skf21("4","3","4","6","1","1","7","1") = "6"
    & skf21("4","3","4","6","1","2","1","1") = "5"
    & skf21("4","3","4","6","1","2","2","1") = "5"
    & skf21("4","3","4","6","1","2","3","1") = "5"
    & skf21("4","3","4","6","1","2","4","1") = "5"
    & skf21("4","3","4","6","1","2","5","1") = "5"
    & skf21("4","3","4","6","1","2","6","1") = "5"
    & skf21("4","3","4","6","1","2","7","1") = "6"
    & skf21("4","3","4","6","1","3","1","1") = "5"
    & skf21("4","3","4","6","1","3","2","1") = "5"
    & skf21("4","3","4","6","1","3","3","1") = "5"
    & skf21("4","3","4","6","1","3","4","1") = "5"
    & skf21("4","3","4","6","1","3","5","1") = "5"
    & skf21("4","3","4","6","1","3","6","1") = "5"
    & skf21("4","3","4","6","1","3","7","1") = "6"
    & skf21("4","3","4","6","1","4","1","1") = "5"
    & skf21("4","3","4","6","1","4","2","1") = "5"
    & skf21("4","3","4","6","1","4","3","1") = "5"
    & skf21("4","3","4","6","1","4","4","1") = "5"
    & skf21("4","3","4","6","1","4","5","1") = "5"
    & skf21("4","3","4","6","1","4","6","1") = "5"
    & skf21("4","3","4","6","1","4","7","1") = "6"
    & skf21("4","3","4","6","1","5","1","1") = "5"
    & skf21("4","3","4","6","1","5","2","1") = "5"
    & skf21("4","3","4","6","1","5","3","1") = "5"
    & skf21("4","3","4","6","1","5","4","1") = "5"
    & skf21("4","3","4","6","1","5","5","1") = "5"
    & skf21("4","3","4","6","1","5","6","1") = "5"
    & skf21("4","3","4","6","1","5","7","1") = "6"
    & skf21("4","3","4","6","1","6","1","1") = "5"
    & skf21("4","3","4","6","1","6","2","1") = "5"
    & skf21("4","3","4","6","1","6","3","1") = "5"
    & skf21("4","3","4","6","1","6","4","1") = "5"
    & skf21("4","3","4","6","1","6","5","1") = "5"
    & skf21("4","3","4","6","1","6","6","1") = "5"
    & skf21("4","3","4","6","1","6","7","1") = "6"
    & skf21("4","3","4","6","1","7","1","1") = "6"
    & skf21("4","3","4","6","1","7","2","1") = "6"
    & skf21("4","3","4","6","1","7","3","1") = "6"
    & skf21("4","3","4","6","1","7","4","1") = "6"
    & skf21("4","3","4","6","1","7","5","1") = "6"
    & skf21("4","3","4","6","1","7","6","1") = "6"
    & skf21("4","3","4","6","1","7","7","1") = "6"
    & skf21("4","3","4","6","2","1","1","1") = "5"
    & skf21("4","3","4","6","2","1","2","1") = "5"
    & skf21("4","3","4","6","2","1","3","1") = "5"
    & skf21("4","3","4","6","2","1","4","1") = "5"
    & skf21("4","3","4","6","2","1","5","1") = "5"
    & skf21("4","3","4","6","2","1","6","1") = "5"
    & skf21("4","3","4","6","2","1","7","1") = "6"
    & skf21("4","3","4","6","2","2","1","1") = "5"
    & skf21("4","3","4","6","2","2","2","1") = "5"
    & skf21("4","3","4","6","2","2","3","1") = "5"
    & skf21("4","3","4","6","2","2","4","1") = "5"
    & skf21("4","3","4","6","2","2","5","1") = "5"
    & skf21("4","3","4","6","2","2","6","1") = "5"
    & skf21("4","3","4","6","2","2","7","1") = "6"
    & skf21("4","3","4","6","2","3","1","1") = "5"
    & skf21("4","3","4","6","2","3","2","1") = "5"
    & skf21("4","3","4","6","2","3","3","1") = "5"
    & skf21("4","3","4","6","2","3","4","1") = "5"
    & skf21("4","3","4","6","2","3","5","1") = "5"
    & skf21("4","3","4","6","2","3","6","1") = "5"
    & skf21("4","3","4","6","2","3","7","1") = "6"
    & skf21("4","3","4","6","2","4","1","1") = "5"
    & skf21("4","3","4","6","2","4","2","1") = "5"
    & skf21("4","3","4","6","2","4","3","1") = "5"
    & skf21("4","3","4","6","2","4","4","1") = "5"
    & skf21("4","3","4","6","2","4","5","1") = "5"
    & skf21("4","3","4","6","2","4","6","1") = "5"
    & skf21("4","3","4","6","2","4","7","1") = "6"
    & skf21("4","3","4","6","2","5","1","1") = "5"
    & skf21("4","3","4","6","2","5","2","1") = "5"
    & skf21("4","3","4","6","2","5","3","1") = "5"
    & skf21("4","3","4","6","2","5","4","1") = "5"
    & skf21("4","3","4","6","2","5","5","1") = "5"
    & skf21("4","3","4","6","2","5","6","1") = "5"
    & skf21("4","3","4","6","2","5","7","1") = "6"
    & skf21("4","3","4","6","2","6","1","1") = "5"
    & skf21("4","3","4","6","2","6","2","1") = "5"
    & skf21("4","3","4","6","2","6","3","1") = "5"
    & skf21("4","3","4","6","2","6","4","1") = "5"
    & skf21("4","3","4","6","2","6","5","1") = "5"
    & skf21("4","3","4","6","2","6","6","1") = "5"
    & skf21("4","3","4","6","2","6","7","1") = "6"
    & skf21("4","3","4","6","2","7","1","1") = "6"
    & skf21("4","3","4","6","2","7","2","1") = "6"
    & skf21("4","3","4","6","2","7","3","1") = "6"
    & skf21("4","3","4","6","2","7","4","1") = "6"
    & skf21("4","3","4","6","2","7","5","1") = "6"
    & skf21("4","3","4","6","2","7","6","1") = "6"
    & skf21("4","3","4","6","2","7","7","1") = "6"
    & skf21("4","3","4","6","3","1","1","1") = "5"
    & skf21("4","3","4","6","3","1","2","1") = "5"
    & skf21("4","3","4","6","3","1","3","1") = "5"
    & skf21("4","3","4","6","3","1","4","1") = "5"
    & skf21("4","3","4","6","3","1","5","1") = "5"
    & skf21("4","3","4","6","3","1","6","1") = "5"
    & skf21("4","3","4","6","3","1","7","1") = "6"
    & skf21("4","3","4","6","3","2","1","1") = "5"
    & skf21("4","3","4","6","3","2","2","1") = "5"
    & skf21("4","3","4","6","3","2","3","1") = "5"
    & skf21("4","3","4","6","3","2","4","1") = "5"
    & skf21("4","3","4","6","3","2","5","1") = "5"
    & skf21("4","3","4","6","3","2","6","1") = "5"
    & skf21("4","3","4","6","3","2","7","1") = "6"
    & skf21("4","3","4","6","3","3","1","1") = "5"
    & skf21("4","3","4","6","3","3","2","1") = "5"
    & skf21("4","3","4","6","3","3","3","1") = "5"
    & skf21("4","3","4","6","3","3","4","1") = "5"
    & skf21("4","3","4","6","3","3","5","1") = "5"
    & skf21("4","3","4","6","3","3","6","1") = "5"
    & skf21("4","3","4","6","3","3","7","1") = "6"
    & skf21("4","3","4","6","3","4","1","1") = "5"
    & skf21("4","3","4","6","3","4","2","1") = "5"
    & skf21("4","3","4","6","3","4","3","1") = "5"
    & skf21("4","3","4","6","3","4","4","1") = "5"
    & skf21("4","3","4","6","3","4","5","1") = "5"
    & skf21("4","3","4","6","3","4","6","1") = "5"
    & skf21("4","3","4","6","3","4","7","1") = "6"
    & skf21("4","3","4","6","3","5","1","1") = "5"
    & skf21("4","3","4","6","3","5","2","1") = "5"
    & skf21("4","3","4","6","3","5","3","1") = "5"
    & skf21("4","3","4","6","3","5","4","1") = "5"
    & skf21("4","3","4","6","3","5","5","1") = "5"
    & skf21("4","3","4","6","3","5","6","1") = "5"
    & skf21("4","3","4","6","3","5","7","1") = "6"
    & skf21("4","3","4","6","3","6","1","1") = "5"
    & skf21("4","3","4","6","3","6","2","1") = "5"
    & skf21("4","3","4","6","3","6","3","1") = "5"
    & skf21("4","3","4","6","3","6","4","1") = "5"
    & skf21("4","3","4","6","3","6","5","1") = "5"
    & skf21("4","3","4","6","3","6","6","1") = "5"
    & skf21("4","3","4","6","3","6","7","1") = "6"
    & skf21("4","3","4","6","3","7","1","1") = "6"
    & skf21("4","3","4","6","3","7","2","1") = "6"
    & skf21("4","3","4","6","3","7","3","1") = "6"
    & skf21("4","3","4","6","3","7","4","1") = "6"
    & skf21("4","3","4","6","3","7","5","1") = "6"
    & skf21("4","3","4","6","3","7","6","1") = "6"
    & skf21("4","3","4","6","3","7","7","1") = "6"
    & skf21("4","3","4","6","4","1","1","1") = "5"
    & skf21("4","3","4","6","4","1","2","1") = "5"
    & skf21("4","3","4","6","4","1","3","1") = "5"
    & skf21("4","3","4","6","4","1","4","1") = "5"
    & skf21("4","3","4","6","4","1","5","1") = "5"
    & skf21("4","3","4","6","4","1","6","1") = "5"
    & skf21("4","3","4","6","4","1","7","1") = "6"
    & skf21("4","3","4","6","4","2","1","1") = "5"
    & skf21("4","3","4","6","4","2","2","1") = "5"
    & skf21("4","3","4","6","4","2","3","1") = "5"
    & skf21("4","3","4","6","4","2","4","1") = "5"
    & skf21("4","3","4","6","4","2","5","1") = "5"
    & skf21("4","3","4","6","4","2","6","1") = "5"
    & skf21("4","3","4","6","4","2","7","1") = "6"
    & skf21("4","3","4","6","4","3","1","1") = "5"
    & skf21("4","3","4","6","4","3","2","1") = "5"
    & skf21("4","3","4","6","4","3","3","1") = "5"
    & skf21("4","3","4","6","4","3","4","1") = "5"
    & skf21("4","3","4","6","4","3","5","1") = "5"
    & skf21("4","3","4","6","4","3","6","1") = "5"
    & skf21("4","3","4","6","4","3","7","1") = "6"
    & skf21("4","3","4","6","4","4","1","1") = "5"
    & skf21("4","3","4","6","4","4","2","1") = "5"
    & skf21("4","3","4","6","4","4","3","1") = "5"
    & skf21("4","3","4","6","4","4","4","1") = "5"
    & skf21("4","3","4","6","4","4","5","1") = "5"
    & skf21("4","3","4","6","4","4","6","1") = "5"
    & skf21("4","3","4","6","4","4","7","1") = "6"
    & skf21("4","3","4","6","4","5","1","1") = "5"
    & skf21("4","3","4","6","4","5","2","1") = "5"
    & skf21("4","3","4","6","4","5","3","1") = "5"
    & skf21("4","3","4","6","4","5","4","1") = "5"
    & skf21("4","3","4","6","4","5","5","1") = "5"
    & skf21("4","3","4","6","4","5","6","1") = "5"
    & skf21("4","3","4","6","4","5","7","1") = "6"
    & skf21("4","3","4","6","4","6","1","1") = "5"
    & skf21("4","3","4","6","4","6","2","1") = "5"
    & skf21("4","3","4","6","4","6","3","1") = "5"
    & skf21("4","3","4","6","4","6","4","1") = "5"
    & skf21("4","3","4","6","4","6","5","1") = "5"
    & skf21("4","3","4","6","4","6","6","1") = "5"
    & skf21("4","3","4","6","4","6","7","1") = "6"
    & skf21("4","3","4","6","4","7","1","1") = "6"
    & skf21("4","3","4","6","4","7","2","1") = "6"
    & skf21("4","3","4","6","4","7","3","1") = "6"
    & skf21("4","3","4","6","4","7","4","1") = "6"
    & skf21("4","3","4","6","4","7","5","1") = "6"
    & skf21("4","3","4","6","4","7","6","1") = "6"
    & skf21("4","3","4","6","4","7","7","1") = "6"
    & skf21("4","3","4","6","5","1","1","1") = "5"
    & skf21("4","3","4","6","5","1","2","1") = "5"
    & skf21("4","3","4","6","5","1","3","1") = "5"
    & skf21("4","3","4","6","5","1","4","1") = "5"
    & skf21("4","3","4","6","5","1","5","1") = "5"
    & skf21("4","3","4","6","5","1","6","1") = "5"
    & skf21("4","3","4","6","5","1","7","1") = "6"
    & skf21("4","3","4","6","5","2","1","1") = "5"
    & skf21("4","3","4","6","5","2","2","1") = "5"
    & skf21("4","3","4","6","5","2","3","1") = "5"
    & skf21("4","3","4","6","5","2","4","1") = "5"
    & skf21("4","3","4","6","5","2","5","1") = "5"
    & skf21("4","3","4","6","5","2","6","1") = "5"
    & skf21("4","3","4","6","5","2","7","1") = "6"
    & skf21("4","3","4","6","5","3","1","1") = "5"
    & skf21("4","3","4","6","5","3","2","1") = "5"
    & skf21("4","3","4","6","5","3","3","1") = "5"
    & skf21("4","3","4","6","5","3","4","1") = "5"
    & skf21("4","3","4","6","5","3","5","1") = "5"
    & skf21("4","3","4","6","5","3","6","1") = "5"
    & skf21("4","3","4","6","5","3","7","1") = "6"
    & skf21("4","3","4","6","5","4","1","1") = "5"
    & skf21("4","3","4","6","5","4","2","1") = "5"
    & skf21("4","3","4","6","5","4","3","1") = "5"
    & skf21("4","3","4","6","5","4","4","1") = "5"
    & skf21("4","3","4","6","5","4","5","1") = "5"
    & skf21("4","3","4","6","5","4","6","1") = "5"
    & skf21("4","3","4","6","5","4","7","1") = "6"
    & skf21("4","3","4","6","5","5","1","1") = "5"
    & skf21("4","3","4","6","5","5","2","1") = "5"
    & skf21("4","3","4","6","5","5","3","1") = "5"
    & skf21("4","3","4","6","5","5","4","1") = "5"
    & skf21("4","3","4","6","5","5","5","1") = "5"
    & skf21("4","3","4","6","5","5","6","1") = "5"
    & skf21("4","3","4","6","5","5","7","1") = "6"
    & skf21("4","3","4","6","5","6","1","1") = "5"
    & skf21("4","3","4","6","5","6","2","1") = "5"
    & skf21("4","3","4","6","5","6","3","1") = "5"
    & skf21("4","3","4","6","5","6","4","1") = "5"
    & skf21("4","3","4","6","5","6","5","1") = "5"
    & skf21("4","3","4","6","5","6","6","1") = "5"
    & skf21("4","3","4","6","5","6","7","1") = "6"
    & skf21("4","3","4","6","5","7","1","1") = "6"
    & skf21("4","3","4","6","5","7","2","1") = "6"
    & skf21("4","3","4","6","5","7","3","1") = "6"
    & skf21("4","3","4","6","5","7","4","1") = "6"
    & skf21("4","3","4","6","5","7","5","1") = "6"
    & skf21("4","3","4","6","5","7","6","1") = "6"
    & skf21("4","3","4","6","5","7","7","1") = "6"
    & skf21("4","3","4","6","6","1","1","1") = "5"
    & skf21("4","3","4","6","6","1","2","1") = "5"
    & skf21("4","3","4","6","6","1","3","1") = "5"
    & skf21("4","3","4","6","6","1","4","1") = "5"
    & skf21("4","3","4","6","6","1","5","1") = "5"
    & skf21("4","3","4","6","6","1","6","1") = "5"
    & skf21("4","3","4","6","6","1","7","1") = "6"
    & skf21("4","3","4","6","6","2","1","1") = "5"
    & skf21("4","3","4","6","6","2","2","1") = "5"
    & skf21("4","3","4","6","6","2","3","1") = "5"
    & skf21("4","3","4","6","6","2","4","1") = "5"
    & skf21("4","3","4","6","6","2","5","1") = "5"
    & skf21("4","3","4","6","6","2","6","1") = "5"
    & skf21("4","3","4","6","6","2","7","1") = "6"
    & skf21("4","3","4","6","6","3","1","1") = "5"
    & skf21("4","3","4","6","6","3","2","1") = "5"
    & skf21("4","3","4","6","6","3","3","1") = "5"
    & skf21("4","3","4","6","6","3","4","1") = "5"
    & skf21("4","3","4","6","6","3","5","1") = "5"
    & skf21("4","3","4","6","6","3","6","1") = "5"
    & skf21("4","3","4","6","6","3","7","1") = "6"
    & skf21("4","3","4","6","6","4","1","1") = "5"
    & skf21("4","3","4","6","6","4","2","1") = "5"
    & skf21("4","3","4","6","6","4","3","1") = "5"
    & skf21("4","3","4","6","6","4","4","1") = "5"
    & skf21("4","3","4","6","6","4","5","1") = "5"
    & skf21("4","3","4","6","6","4","6","1") = "5"
    & skf21("4","3","4","6","6","4","7","1") = "6"
    & skf21("4","3","4","6","6","5","1","1") = "5"
    & skf21("4","3","4","6","6","5","2","1") = "5"
    & skf21("4","3","4","6","6","5","3","1") = "5"
    & skf21("4","3","4","6","6","5","4","1") = "5"
    & skf21("4","3","4","6","6","5","5","1") = "5"
    & skf21("4","3","4","6","6","5","6","1") = "5"
    & skf21("4","3","4","6","6","5","7","1") = "6"
    & skf21("4","3","4","6","6","6","1","1") = "5"
    & skf21("4","3","4","6","6","6","2","1") = "5"
    & skf21("4","3","4","6","6","6","3","1") = "5"
    & skf21("4","3","4","6","6","6","4","1") = "5"
    & skf21("4","3","4","6","6","6","5","1") = "5"
    & skf21("4","3","4","6","6","6","6","1") = "5"
    & skf21("4","3","4","6","6","6","7","1") = "6"
    & skf21("4","3","4","6","6","7","1","1") = "6"
    & skf21("4","3","4","6","6","7","2","1") = "6"
    & skf21("4","3","4","6","6","7","3","1") = "6"
    & skf21("4","3","4","6","6","7","4","1") = "6"
    & skf21("4","3","4","6","6","7","5","1") = "6"
    & skf21("4","3","4","6","6","7","6","1") = "6"
    & skf21("4","3","4","6","6","7","7","1") = "6"
    & skf21("4","3","4","6","7","1","1","1") = "6"
    & skf21("4","3","4","6","7","1","2","1") = "6"
    & skf21("4","3","4","6","7","1","3","1") = "6"
    & skf21("4","3","4","6","7","1","4","1") = "6"
    & skf21("4","3","4","6","7","1","5","1") = "6"
    & skf21("4","3","4","6","7","1","6","1") = "6"
    & skf21("4","3","4","6","7","1","7","1") = "6"
    & skf21("4","3","4","6","7","2","1","1") = "6"
    & skf21("4","3","4","6","7","2","2","1") = "6"
    & skf21("4","3","4","6","7","2","3","1") = "6"
    & skf21("4","3","4","6","7","2","4","1") = "6"
    & skf21("4","3","4","6","7","2","5","1") = "6"
    & skf21("4","3","4","6","7","2","6","1") = "6"
    & skf21("4","3","4","6","7","2","7","1") = "6"
    & skf21("4","3","4","6","7","3","1","1") = "6"
    & skf21("4","3","4","6","7","3","2","1") = "6"
    & skf21("4","3","4","6","7","3","3","1") = "6"
    & skf21("4","3","4","6","7","3","4","1") = "6"
    & skf21("4","3","4","6","7","3","5","1") = "6"
    & skf21("4","3","4","6","7","3","6","1") = "6"
    & skf21("4","3","4","6","7","3","7","1") = "6"
    & skf21("4","3","4","6","7","4","1","1") = "6"
    & skf21("4","3","4","6","7","4","2","1") = "6"
    & skf21("4","3","4","6","7","4","3","1") = "6"
    & skf21("4","3","4","6","7","4","4","1") = "6"
    & skf21("4","3","4","6","7","4","5","1") = "6"
    & skf21("4","3","4","6","7","4","6","1") = "6"
    & skf21("4","3","4","6","7","4","7","1") = "6"
    & skf21("4","3","4","6","7","5","1","1") = "6"
    & skf21("4","3","4","6","7","5","2","1") = "6"
    & skf21("4","3","4","6","7","5","3","1") = "6"
    & skf21("4","3","4","6","7","5","4","1") = "6"
    & skf21("4","3","4","6","7","5","5","1") = "6"
    & skf21("4","3","4","6","7","5","6","1") = "6"
    & skf21("4","3","4","6","7","5","7","1") = "6"
    & skf21("4","3","4","6","7","6","1","1") = "6"
    & skf21("4","3","4","6","7","6","2","1") = "6"
    & skf21("4","3","4","6","7","6","3","1") = "6"
    & skf21("4","3","4","6","7","6","4","1") = "6"
    & skf21("4","3","4","6","7","6","5","1") = "6"
    & skf21("4","3","4","6","7","6","6","1") = "6"
    & skf21("4","3","4","6","7","6","7","1") = "6"
    & skf21("4","3","4","6","7","7","1","1") = "6"
    & skf21("4","3","4","6","7","7","2","1") = "6"
    & skf21("4","3","4","6","7","7","3","1") = "6"
    & skf21("4","3","4","6","7","7","4","1") = "6"
    & skf21("4","3","4","6","7","7","5","1") = "6"
    & skf21("4","3","4","6","7","7","6","1") = "6"
    & skf21("4","3","4","6","7","7","7","1") = "6"
    & skf21("4","3","4","7","1","1","1","1") = "6"
    & skf21("4","3","4","7","1","1","2","1") = "6"
    & skf21("4","3","4","7","1","1","3","1") = "6"
    & skf21("4","3","4","7","1","1","4","1") = "6"
    & skf21("4","3","4","7","1","1","5","1") = "6"
    & skf21("4","3","4","7","1","1","6","1") = "6"
    & skf21("4","3","4","7","1","1","7","1") = "6"
    & skf21("4","3","4","7","1","2","1","1") = "6"
    & skf21("4","3","4","7","1","2","2","1") = "6"
    & skf21("4","3","4","7","1","2","3","1") = "6"
    & skf21("4","3","4","7","1","2","4","1") = "6"
    & skf21("4","3","4","7","1","2","5","1") = "6"
    & skf21("4","3","4","7","1","2","6","1") = "6"
    & skf21("4","3","4","7","1","2","7","1") = "6"
    & skf21("4","3","4","7","1","3","1","1") = "6"
    & skf21("4","3","4","7","1","3","2","1") = "6"
    & skf21("4","3","4","7","1","3","3","1") = "6"
    & skf21("4","3","4","7","1","3","4","1") = "6"
    & skf21("4","3","4","7","1","3","5","1") = "6"
    & skf21("4","3","4","7","1","3","6","1") = "6"
    & skf21("4","3","4","7","1","3","7","1") = "6"
    & skf21("4","3","4","7","1","4","1","1") = "6"
    & skf21("4","3","4","7","1","4","2","1") = "6"
    & skf21("4","3","4","7","1","4","3","1") = "6"
    & skf21("4","3","4","7","1","4","4","1") = "6"
    & skf21("4","3","4","7","1","4","5","1") = "6"
    & skf21("4","3","4","7","1","4","6","1") = "6"
    & skf21("4","3","4","7","1","4","7","1") = "6"
    & skf21("4","3","4","7","1","5","1","1") = "6"
    & skf21("4","3","4","7","1","5","2","1") = "6"
    & skf21("4","3","4","7","1","5","3","1") = "6"
    & skf21("4","3","4","7","1","5","4","1") = "6"
    & skf21("4","3","4","7","1","5","5","1") = "6"
    & skf21("4","3","4","7","1","5","6","1") = "6"
    & skf21("4","3","4","7","1","5","7","1") = "6"
    & skf21("4","3","4","7","1","6","1","1") = "6"
    & skf21("4","3","4","7","1","6","2","1") = "6"
    & skf21("4","3","4","7","1","6","3","1") = "6"
    & skf21("4","3","4","7","1","6","4","1") = "6"
    & skf21("4","3","4","7","1","6","5","1") = "6"
    & skf21("4","3","4","7","1","6","6","1") = "6"
    & skf21("4","3","4","7","1","6","7","1") = "6"
    & skf21("4","3","4","7","1","7","1","1") = "6"
    & skf21("4","3","4","7","1","7","2","1") = "6"
    & skf21("4","3","4","7","1","7","3","1") = "6"
    & skf21("4","3","4","7","1","7","4","1") = "6"
    & skf21("4","3","4","7","1","7","5","1") = "6"
    & skf21("4","3","4","7","1","7","6","1") = "6"
    & skf21("4","3","4","7","1","7","7","1") = "6"
    & skf21("4","3","4","7","2","1","1","1") = "6"
    & skf21("4","3","4","7","2","1","2","1") = "6"
    & skf21("4","3","4","7","2","1","3","1") = "6"
    & skf21("4","3","4","7","2","1","4","1") = "6"
    & skf21("4","3","4","7","2","1","5","1") = "6"
    & skf21("4","3","4","7","2","1","6","1") = "6"
    & skf21("4","3","4","7","2","1","7","1") = "6"
    & skf21("4","3","4","7","2","2","1","1") = "6"
    & skf21("4","3","4","7","2","2","2","1") = "6"
    & skf21("4","3","4","7","2","2","3","1") = "6"
    & skf21("4","3","4","7","2","2","4","1") = "6"
    & skf21("4","3","4","7","2","2","5","1") = "6"
    & skf21("4","3","4","7","2","2","6","1") = "6"
    & skf21("4","3","4","7","2","2","7","1") = "6"
    & skf21("4","3","4","7","2","3","1","1") = "6"
    & skf21("4","3","4","7","2","3","2","1") = "6"
    & skf21("4","3","4","7","2","3","3","1") = "6"
    & skf21("4","3","4","7","2","3","4","1") = "6"
    & skf21("4","3","4","7","2","3","5","1") = "6"
    & skf21("4","3","4","7","2","3","6","1") = "6"
    & skf21("4","3","4","7","2","3","7","1") = "6"
    & skf21("4","3","4","7","2","4","1","1") = "6"
    & skf21("4","3","4","7","2","4","2","1") = "6"
    & skf21("4","3","4","7","2","4","3","1") = "6"
    & skf21("4","3","4","7","2","4","4","1") = "6"
    & skf21("4","3","4","7","2","4","5","1") = "6"
    & skf21("4","3","4","7","2","4","6","1") = "6"
    & skf21("4","3","4","7","2","4","7","1") = "6"
    & skf21("4","3","4","7","2","5","1","1") = "6"
    & skf21("4","3","4","7","2","5","2","1") = "6"
    & skf21("4","3","4","7","2","5","3","1") = "6"
    & skf21("4","3","4","7","2","5","4","1") = "6"
    & skf21("4","3","4","7","2","5","5","1") = "6"
    & skf21("4","3","4","7","2","5","6","1") = "6"
    & skf21("4","3","4","7","2","5","7","1") = "6"
    & skf21("4","3","4","7","2","6","1","1") = "6"
    & skf21("4","3","4","7","2","6","2","1") = "6"
    & skf21("4","3","4","7","2","6","3","1") = "6"
    & skf21("4","3","4","7","2","6","4","1") = "6"
    & skf21("4","3","4","7","2","6","5","1") = "6"
    & skf21("4","3","4","7","2","6","6","1") = "6"
    & skf21("4","3","4","7","2","6","7","1") = "6"
    & skf21("4","3","4","7","2","7","1","1") = "6"
    & skf21("4","3","4","7","2","7","2","1") = "6"
    & skf21("4","3","4","7","2","7","3","1") = "6"
    & skf21("4","3","4","7","2","7","4","1") = "6"
    & skf21("4","3","4","7","2","7","5","1") = "6"
    & skf21("4","3","4","7","2","7","6","1") = "6"
    & skf21("4","3","4","7","2","7","7","1") = "6"
    & skf21("4","3","4","7","3","1","1","1") = "6"
    & skf21("4","3","4","7","3","1","2","1") = "6"
    & skf21("4","3","4","7","3","1","3","1") = "6"
    & skf21("4","3","4","7","3","1","4","1") = "6"
    & skf21("4","3","4","7","3","1","5","1") = "6"
    & skf21("4","3","4","7","3","1","6","1") = "6"
    & skf21("4","3","4","7","3","1","7","1") = "6"
    & skf21("4","3","4","7","3","2","1","1") = "6"
    & skf21("4","3","4","7","3","2","2","1") = "6"
    & skf21("4","3","4","7","3","2","3","1") = "6"
    & skf21("4","3","4","7","3","2","4","1") = "6"
    & skf21("4","3","4","7","3","2","5","1") = "6"
    & skf21("4","3","4","7","3","2","6","1") = "6"
    & skf21("4","3","4","7","3","2","7","1") = "6"
    & skf21("4","3","4","7","3","3","1","1") = "6"
    & skf21("4","3","4","7","3","3","2","1") = "6"
    & skf21("4","3","4","7","3","3","3","1") = "6"
    & skf21("4","3","4","7","3","3","4","1") = "6"
    & skf21("4","3","4","7","3","3","5","1") = "6"
    & skf21("4","3","4","7","3","3","6","1") = "6"
    & skf21("4","3","4","7","3","3","7","1") = "6"
    & skf21("4","3","4","7","3","4","1","1") = "6"
    & skf21("4","3","4","7","3","4","2","1") = "6"
    & skf21("4","3","4","7","3","4","3","1") = "6"
    & skf21("4","3","4","7","3","4","4","1") = "6"
    & skf21("4","3","4","7","3","4","5","1") = "6"
    & skf21("4","3","4","7","3","4","6","1") = "6"
    & skf21("4","3","4","7","3","4","7","1") = "6"
    & skf21("4","3","4","7","3","5","1","1") = "6"
    & skf21("4","3","4","7","3","5","2","1") = "6"
    & skf21("4","3","4","7","3","5","3","1") = "6"
    & skf21("4","3","4","7","3","5","4","1") = "6"
    & skf21("4","3","4","7","3","5","5","1") = "6"
    & skf21("4","3","4","7","3","5","6","1") = "6"
    & skf21("4","3","4","7","3","5","7","1") = "6"
    & skf21("4","3","4","7","3","6","1","1") = "6"
    & skf21("4","3","4","7","3","6","2","1") = "6"
    & skf21("4","3","4","7","3","6","3","1") = "6"
    & skf21("4","3","4","7","3","6","4","1") = "6"
    & skf21("4","3","4","7","3","6","5","1") = "6"
    & skf21("4","3","4","7","3","6","6","1") = "6"
    & skf21("4","3","4","7","3","6","7","1") = "6"
    & skf21("4","3","4","7","3","7","1","1") = "6"
    & skf21("4","3","4","7","3","7","2","1") = "6"
    & skf21("4","3","4","7","3","7","3","1") = "6"
    & skf21("4","3","4","7","3","7","4","1") = "6"
    & skf21("4","3","4","7","3","7","5","1") = "6"
    & skf21("4","3","4","7","3","7","6","1") = "6"
    & skf21("4","3","4","7","3","7","7","1") = "6"
    & skf21("4","3","4","7","4","1","1","1") = "6"
    & skf21("4","3","4","7","4","1","2","1") = "6"
    & skf21("4","3","4","7","4","1","3","1") = "6"
    & skf21("4","3","4","7","4","1","4","1") = "6"
    & skf21("4","3","4","7","4","1","5","1") = "6"
    & skf21("4","3","4","7","4","1","6","1") = "6"
    & skf21("4","3","4","7","4","1","7","1") = "6"
    & skf21("4","3","4","7","4","2","1","1") = "6"
    & skf21("4","3","4","7","4","2","2","1") = "6"
    & skf21("4","3","4","7","4","2","3","1") = "6"
    & skf21("4","3","4","7","4","2","4","1") = "6"
    & skf21("4","3","4","7","4","2","5","1") = "6"
    & skf21("4","3","4","7","4","2","6","1") = "6"
    & skf21("4","3","4","7","4","2","7","1") = "6"
    & skf21("4","3","4","7","4","3","1","1") = "6"
    & skf21("4","3","4","7","4","3","2","1") = "6"
    & skf21("4","3","4","7","4","3","3","1") = "6"
    & skf21("4","3","4","7","4","3","4","1") = "6"
    & skf21("4","3","4","7","4","3","5","1") = "6"
    & skf21("4","3","4","7","4","3","6","1") = "6"
    & skf21("4","3","4","7","4","3","7","1") = "6"
    & skf21("4","3","4","7","4","4","1","1") = "6"
    & skf21("4","3","4","7","4","4","2","1") = "6"
    & skf21("4","3","4","7","4","4","3","1") = "6"
    & skf21("4","3","4","7","4","4","4","1") = "6"
    & skf21("4","3","4","7","4","4","5","1") = "6"
    & skf21("4","3","4","7","4","4","6","1") = "6"
    & skf21("4","3","4","7","4","4","7","1") = "6"
    & skf21("4","3","4","7","4","5","1","1") = "6"
    & skf21("4","3","4","7","4","5","2","1") = "6"
    & skf21("4","3","4","7","4","5","3","1") = "6"
    & skf21("4","3","4","7","4","5","4","1") = "6"
    & skf21("4","3","4","7","4","5","5","1") = "6"
    & skf21("4","3","4","7","4","5","6","1") = "6"
    & skf21("4","3","4","7","4","5","7","1") = "6"
    & skf21("4","3","4","7","4","6","1","1") = "6"
    & skf21("4","3","4","7","4","6","2","1") = "6"
    & skf21("4","3","4","7","4","6","3","1") = "6"
    & skf21("4","3","4","7","4","6","4","1") = "6"
    & skf21("4","3","4","7","4","6","5","1") = "6"
    & skf21("4","3","4","7","4","6","6","1") = "6"
    & skf21("4","3","4","7","4","6","7","1") = "6"
    & skf21("4","3","4","7","4","7","1","1") = "6"
    & skf21("4","3","4","7","4","7","2","1") = "6"
    & skf21("4","3","4","7","4","7","3","1") = "6"
    & skf21("4","3","4","7","4","7","4","1") = "6"
    & skf21("4","3","4","7","4","7","5","1") = "6"
    & skf21("4","3","4","7","4","7","6","1") = "6"
    & skf21("4","3","4","7","4","7","7","1") = "6"
    & skf21("4","3","4","7","5","1","1","1") = "6"
    & skf21("4","3","4","7","5","1","2","1") = "6"
    & skf21("4","3","4","7","5","1","3","1") = "6"
    & skf21("4","3","4","7","5","1","4","1") = "6"
    & skf21("4","3","4","7","5","1","5","1") = "6"
    & skf21("4","3","4","7","5","1","6","1") = "6"
    & skf21("4","3","4","7","5","1","7","1") = "6"
    & skf21("4","3","4","7","5","2","1","1") = "6"
    & skf21("4","3","4","7","5","2","2","1") = "6"
    & skf21("4","3","4","7","5","2","3","1") = "6"
    & skf21("4","3","4","7","5","2","4","1") = "6"
    & skf21("4","3","4","7","5","2","5","1") = "6"
    & skf21("4","3","4","7","5","2","6","1") = "6"
    & skf21("4","3","4","7","5","2","7","1") = "6"
    & skf21("4","3","4","7","5","3","1","1") = "6"
    & skf21("4","3","4","7","5","3","2","1") = "6"
    & skf21("4","3","4","7","5","3","3","1") = "6"
    & skf21("4","3","4","7","5","3","4","1") = "6"
    & skf21("4","3","4","7","5","3","5","1") = "6"
    & skf21("4","3","4","7","5","3","6","1") = "6"
    & skf21("4","3","4","7","5","3","7","1") = "6"
    & skf21("4","3","4","7","5","4","1","1") = "6"
    & skf21("4","3","4","7","5","4","2","1") = "6"
    & skf21("4","3","4","7","5","4","3","1") = "6"
    & skf21("4","3","4","7","5","4","4","1") = "6"
    & skf21("4","3","4","7","5","4","5","1") = "6"
    & skf21("4","3","4","7","5","4","6","1") = "6"
    & skf21("4","3","4","7","5","4","7","1") = "6"
    & skf21("4","3","4","7","5","5","1","1") = "6"
    & skf21("4","3","4","7","5","5","2","1") = "6"
    & skf21("4","3","4","7","5","5","3","1") = "6"
    & skf21("4","3","4","7","5","5","4","1") = "6"
    & skf21("4","3","4","7","5","5","5","1") = "6"
    & skf21("4","3","4","7","5","5","6","1") = "6"
    & skf21("4","3","4","7","5","5","7","1") = "6"
    & skf21("4","3","4","7","5","6","1","1") = "6"
    & skf21("4","3","4","7","5","6","2","1") = "6"
    & skf21("4","3","4","7","5","6","3","1") = "6"
    & skf21("4","3","4","7","5","6","4","1") = "6"
    & skf21("4","3","4","7","5","6","5","1") = "6"
    & skf21("4","3","4","7","5","6","6","1") = "6"
    & skf21("4","3","4","7","5","6","7","1") = "6"
    & skf21("4","3","4","7","5","7","1","1") = "6"
    & skf21("4","3","4","7","5","7","2","1") = "6"
    & skf21("4","3","4","7","5","7","3","1") = "6"
    & skf21("4","3","4","7","5","7","4","1") = "6"
    & skf21("4","3","4","7","5","7","5","1") = "6"
    & skf21("4","3","4","7","5","7","6","1") = "6"
    & skf21("4","3","4","7","5","7","7","1") = "6"
    & skf21("4","3","4","7","6","1","1","1") = "6"
    & skf21("4","3","4","7","6","1","2","1") = "6"
    & skf21("4","3","4","7","6","1","3","1") = "6"
    & skf21("4","3","4","7","6","1","4","1") = "6"
    & skf21("4","3","4","7","6","1","5","1") = "6"
    & skf21("4","3","4","7","6","1","6","1") = "6"
    & skf21("4","3","4","7","6","1","7","1") = "6"
    & skf21("4","3","4","7","6","2","1","1") = "6"
    & skf21("4","3","4","7","6","2","2","1") = "6"
    & skf21("4","3","4","7","6","2","3","1") = "6"
    & skf21("4","3","4","7","6","2","4","1") = "6"
    & skf21("4","3","4","7","6","2","5","1") = "6"
    & skf21("4","3","4","7","6","2","6","1") = "6"
    & skf21("4","3","4","7","6","2","7","1") = "6"
    & skf21("4","3","4","7","6","3","1","1") = "6"
    & skf21("4","3","4","7","6","3","2","1") = "6"
    & skf21("4","3","4","7","6","3","3","1") = "6"
    & skf21("4","3","4","7","6","3","4","1") = "6"
    & skf21("4","3","4","7","6","3","5","1") = "6"
    & skf21("4","3","4","7","6","3","6","1") = "6"
    & skf21("4","3","4","7","6","3","7","1") = "6"
    & skf21("4","3","4","7","6","4","1","1") = "6"
    & skf21("4","3","4","7","6","4","2","1") = "6"
    & skf21("4","3","4","7","6","4","3","1") = "6"
    & skf21("4","3","4","7","6","4","4","1") = "6"
    & skf21("4","3","4","7","6","4","5","1") = "6"
    & skf21("4","3","4","7","6","4","6","1") = "6"
    & skf21("4","3","4","7","6","4","7","1") = "6"
    & skf21("4","3","4","7","6","5","1","1") = "6"
    & skf21("4","3","4","7","6","5","2","1") = "6"
    & skf21("4","3","4","7","6","5","3","1") = "6"
    & skf21("4","3","4","7","6","5","4","1") = "6"
    & skf21("4","3","4","7","6","5","5","1") = "6"
    & skf21("4","3","4","7","6","5","6","1") = "6"
    & skf21("4","3","4","7","6","5","7","1") = "6"
    & skf21("4","3","4","7","6","6","1","1") = "6"
    & skf21("4","3","4","7","6","6","2","1") = "6"
    & skf21("4","3","4","7","6","6","3","1") = "6"
    & skf21("4","3","4","7","6","6","4","1") = "6"
    & skf21("4","3","4","7","6","6","5","1") = "6"
    & skf21("4","3","4","7","6","6","6","1") = "6"
    & skf21("4","3","4","7","6","6","7","1") = "6"
    & skf21("4","3","4","7","6","7","1","1") = "6"
    & skf21("4","3","4","7","6","7","2","1") = "6"
    & skf21("4","3","4","7","6","7","3","1") = "6"
    & skf21("4","3","4","7","6","7","4","1") = "6"
    & skf21("4","3","4","7","6","7","5","1") = "6"
    & skf21("4","3","4","7","6","7","6","1") = "6"
    & skf21("4","3","4","7","6","7","7","1") = "6"
    & skf21("4","3","4","7","7","1","1","1") = "6"
    & skf21("4","3","4","7","7","1","2","1") = "6"
    & skf21("4","3","4","7","7","1","3","1") = "6"
    & skf21("4","3","4","7","7","1","4","1") = "6"
    & skf21("4","3","4","7","7","1","5","1") = "6"
    & skf21("4","3","4","7","7","1","6","1") = "6"
    & skf21("4","3","4","7","7","1","7","1") = "6"
    & skf21("4","3","4","7","7","2","1","1") = "6"
    & skf21("4","3","4","7","7","2","2","1") = "6"
    & skf21("4","3","4","7","7","2","3","1") = "6"
    & skf21("4","3","4","7","7","2","4","1") = "6"
    & skf21("4","3","4","7","7","2","5","1") = "6"
    & skf21("4","3","4","7","7","2","6","1") = "6"
    & skf21("4","3","4","7","7","2","7","1") = "6"
    & skf21("4","3","4","7","7","3","1","1") = "6"
    & skf21("4","3","4","7","7","3","2","1") = "6"
    & skf21("4","3","4","7","7","3","3","1") = "6"
    & skf21("4","3","4","7","7","3","4","1") = "6"
    & skf21("4","3","4","7","7","3","5","1") = "6"
    & skf21("4","3","4","7","7","3","6","1") = "6"
    & skf21("4","3","4","7","7","3","7","1") = "6"
    & skf21("4","3","4","7","7","4","1","1") = "6"
    & skf21("4","3","4","7","7","4","2","1") = "6"
    & skf21("4","3","4","7","7","4","3","1") = "6"
    & skf21("4","3","4","7","7","4","4","1") = "6"
    & skf21("4","3","4","7","7","4","5","1") = "6"
    & skf21("4","3","4","7","7","4","6","1") = "6"
    & skf21("4","3","4","7","7","4","7","1") = "6"
    & skf21("4","3","4","7","7","5","1","1") = "6"
    & skf21("4","3","4","7","7","5","2","1") = "6"
    & skf21("4","3","4","7","7","5","3","1") = "6"
    & skf21("4","3","4","7","7","5","4","1") = "6"
    & skf21("4","3","4","7","7","5","5","1") = "6"
    & skf21("4","3","4","7","7","5","6","1") = "6"
    & skf21("4","3","4","7","7","5","7","1") = "6"
    & skf21("4","3","4","7","7","6","1","1") = "6"
    & skf21("4","3","4","7","7","6","2","1") = "6"
    & skf21("4","3","4","7","7","6","3","1") = "6"
    & skf21("4","3","4","7","7","6","4","1") = "6"
    & skf21("4","3","4","7","7","6","5","1") = "6"
    & skf21("4","3","4","7","7","6","6","1") = "6"
    & skf21("4","3","4","7","7","6","7","1") = "6"
    & skf21("4","3","4","7","7","7","1","1") = "6"
    & skf21("4","3","4","7","7","7","2","1") = "6"
    & skf21("4","3","4","7","7","7","3","1") = "6"
    & skf21("4","3","4","7","7","7","4","1") = "6"
    & skf21("4","3","4","7","7","7","5","1") = "6"
    & skf21("4","3","4","7","7","7","6","1") = "6"
    & skf21("4","3","4","7","7","7","7","1") = "6"
    & skf21("4","3","5","1","1","1","1","1") = "4"
    & skf21("4","3","5","1","1","1","2","1") = "4"
    & skf21("4","3","5","1","1","1","3","1") = "4"
    & skf21("4","3","5","1","1","1","4","1") = "4"
    & skf21("4","3","5","1","1","1","5","1") = "4"
    & skf21("4","3","5","1","1","1","6","1") = "5"
    & skf21("4","3","5","1","1","1","7","1") = "6"
    & skf21("4","3","5","1","1","2","1","1") = "4"
    & skf21("4","3","5","1","1","2","2","1") = "4"
    & skf21("4","3","5","1","1","2","3","1") = "4"
    & skf21("4","3","5","1","1","2","4","1") = "4"
    & skf21("4","3","5","1","1","2","5","1") = "4"
    & skf21("4","3","5","1","1","2","6","1") = "5"
    & skf21("4","3","5","1","1","2","7","1") = "6"
    & skf21("4","3","5","1","1","3","1","1") = "4"
    & skf21("4","3","5","1","1","3","2","1") = "4"
    & skf21("4","3","5","1","1","3","3","1") = "4"
    & skf21("4","3","5","1","1","3","4","1") = "4"
    & skf21("4","3","5","1","1","3","5","1") = "4"
    & skf21("4","3","5","1","1","3","6","1") = "5"
    & skf21("4","3","5","1","1","3","7","1") = "6"
    & skf21("4","3","5","1","1","4","1","1") = "4"
    & skf21("4","3","5","1","1","4","2","1") = "4"
    & skf21("4","3","5","1","1","4","3","1") = "4"
    & skf21("4","3","5","1","1","4","4","1") = "4"
    & skf21("4","3","5","1","1","4","5","1") = "4"
    & skf21("4","3","5","1","1","4","6","1") = "5"
    & skf21("4","3","5","1","1","4","7","1") = "6"
    & skf21("4","3","5","1","1","5","1","1") = "4"
    & skf21("4","3","5","1","1","5","2","1") = "4"
    & skf21("4","3","5","1","1","5","3","1") = "4"
    & skf21("4","3","5","1","1","5","4","1") = "4"
    & skf21("4","3","5","1","1","5","5","1") = "4"
    & skf21("4","3","5","1","1","5","6","1") = "5"
    & skf21("4","3","5","1","1","5","7","1") = "6"
    & skf21("4","3","5","1","1","6","1","1") = "5"
    & skf21("4","3","5","1","1","6","2","1") = "5"
    & skf21("4","3","5","1","1","6","3","1") = "5"
    & skf21("4","3","5","1","1","6","4","1") = "5"
    & skf21("4","3","5","1","1","6","5","1") = "5"
    & skf21("4","3","5","1","1","6","6","1") = "5"
    & skf21("4","3","5","1","1","6","7","1") = "6"
    & skf21("4","3","5","1","1","7","1","1") = "6"
    & skf21("4","3","5","1","1","7","2","1") = "6"
    & skf21("4","3","5","1","1","7","3","1") = "6"
    & skf21("4","3","5","1","1","7","4","1") = "6"
    & skf21("4","3","5","1","1","7","5","1") = "6"
    & skf21("4","3","5","1","1","7","6","1") = "6"
    & skf21("4","3","5","1","1","7","7","1") = "6"
    & skf21("4","3","5","1","2","1","1","1") = "4"
    & skf21("4","3","5","1","2","1","2","1") = "4"
    & skf21("4","3","5","1","2","1","3","1") = "4"
    & skf21("4","3","5","1","2","1","4","1") = "4"
    & skf21("4","3","5","1","2","1","5","1") = "4"
    & skf21("4","3","5","1","2","1","6","1") = "5"
    & skf21("4","3","5","1","2","1","7","1") = "6"
    & skf21("4","3","5","1","2","2","1","1") = "4"
    & skf21("4","3","5","1","2","2","2","1") = "4"
    & skf21("4","3","5","1","2","2","3","1") = "4"
    & skf21("4","3","5","1","2","2","4","1") = "4"
    & skf21("4","3","5","1","2","2","5","1") = "4"
    & skf21("4","3","5","1","2","2","6","1") = "5"
    & skf21("4","3","5","1","2","2","7","1") = "6"
    & skf21("4","3","5","1","2","3","1","1") = "4"
    & skf21("4","3","5","1","2","3","2","1") = "4"
    & skf21("4","3","5","1","2","3","3","1") = "4"
    & skf21("4","3","5","1","2","3","4","1") = "4"
    & skf21("4","3","5","1","2","3","5","1") = "4"
    & skf21("4","3","5","1","2","3","6","1") = "5"
    & skf21("4","3","5","1","2","3","7","1") = "6"
    & skf21("4","3","5","1","2","4","1","1") = "4"
    & skf21("4","3","5","1","2","4","2","1") = "4"
    & skf21("4","3","5","1","2","4","3","1") = "4"
    & skf21("4","3","5","1","2","4","4","1") = "4"
    & skf21("4","3","5","1","2","4","5","1") = "4"
    & skf21("4","3","5","1","2","4","6","1") = "5"
    & skf21("4","3","5","1","2","4","7","1") = "6"
    & skf21("4","3","5","1","2","5","1","1") = "4"
    & skf21("4","3","5","1","2","5","2","1") = "4"
    & skf21("4","3","5","1","2","5","3","1") = "4"
    & skf21("4","3","5","1","2","5","4","1") = "4"
    & skf21("4","3","5","1","2","5","5","1") = "4"
    & skf21("4","3","5","1","2","5","6","1") = "5"
    & skf21("4","3","5","1","2","5","7","1") = "6"
    & skf21("4","3","5","1","2","6","1","1") = "5"
    & skf21("4","3","5","1","2","6","2","1") = "5"
    & skf21("4","3","5","1","2","6","3","1") = "5"
    & skf21("4","3","5","1","2","6","4","1") = "5"
    & skf21("4","3","5","1","2","6","5","1") = "5"
    & skf21("4","3","5","1","2","6","6","1") = "5"
    & skf21("4","3","5","1","2","6","7","1") = "6"
    & skf21("4","3","5","1","2","7","1","1") = "6"
    & skf21("4","3","5","1","2","7","2","1") = "6"
    & skf21("4","3","5","1","2","7","3","1") = "6"
    & skf21("4","3","5","1","2","7","4","1") = "6"
    & skf21("4","3","5","1","2","7","5","1") = "6"
    & skf21("4","3","5","1","2","7","6","1") = "6"
    & skf21("4","3","5","1","2","7","7","1") = "6"
    & skf21("4","3","5","1","3","1","1","1") = "4"
    & skf21("4","3","5","1","3","1","2","1") = "4"
    & skf21("4","3","5","1","3","1","3","1") = "4"
    & skf21("4","3","5","1","3","1","4","1") = "4"
    & skf21("4","3","5","1","3","1","5","1") = "4"
    & skf21("4","3","5","1","3","1","6","1") = "5"
    & skf21("4","3","5","1","3","1","7","1") = "6"
    & skf21("4","3","5","1","3","2","1","1") = "4"
    & skf21("4","3","5","1","3","2","2","1") = "4"
    & skf21("4","3","5","1","3","2","3","1") = "4"
    & skf21("4","3","5","1","3","2","4","1") = "4"
    & skf21("4","3","5","1","3","2","5","1") = "4"
    & skf21("4","3","5","1","3","2","6","1") = "5"
    & skf21("4","3","5","1","3","2","7","1") = "6"
    & skf21("4","3","5","1","3","3","1","1") = "4"
    & skf21("4","3","5","1","3","3","2","1") = "4"
    & skf21("4","3","5","1","3","3","3","1") = "4"
    & skf21("4","3","5","1","3","3","4","1") = "4"
    & skf21("4","3","5","1","3","3","5","1") = "4"
    & skf21("4","3","5","1","3","3","6","1") = "5"
    & skf21("4","3","5","1","3","3","7","1") = "6"
    & skf21("4","3","5","1","3","4","1","1") = "4"
    & skf21("4","3","5","1","3","4","2","1") = "4"
    & skf21("4","3","5","1","3","4","3","1") = "4"
    & skf21("4","3","5","1","3","4","4","1") = "4"
    & skf21("4","3","5","1","3","4","5","1") = "4"
    & skf21("4","3","5","1","3","4","6","1") = "5"
    & skf21("4","3","5","1","3","4","7","1") = "6"
    & skf21("4","3","5","1","3","5","1","1") = "4"
    & skf21("4","3","5","1","3","5","2","1") = "4"
    & skf21("4","3","5","1","3","5","3","1") = "4"
    & skf21("4","3","5","1","3","5","4","1") = "4"
    & skf21("4","3","5","1","3","5","5","1") = "4"
    & skf21("4","3","5","1","3","5","6","1") = "5"
    & skf21("4","3","5","1","3","5","7","1") = "6"
    & skf21("4","3","5","1","3","6","1","1") = "5"
    & skf21("4","3","5","1","3","6","2","1") = "5"
    & skf21("4","3","5","1","3","6","3","1") = "5"
    & skf21("4","3","5","1","3","6","4","1") = "5"
    & skf21("4","3","5","1","3","6","5","1") = "5"
    & skf21("4","3","5","1","3","6","6","1") = "5"
    & skf21("4","3","5","1","3","6","7","1") = "6"
    & skf21("4","3","5","1","3","7","1","1") = "6"
    & skf21("4","3","5","1","3","7","2","1") = "6"
    & skf21("4","3","5","1","3","7","3","1") = "6"
    & skf21("4","3","5","1","3","7","4","1") = "6"
    & skf21("4","3","5","1","3","7","5","1") = "6"
    & skf21("4","3","5","1","3","7","6","1") = "6"
    & skf21("4","3","5","1","3","7","7","1") = "6"
    & skf21("4","3","5","1","4","1","1","1") = "4"
    & skf21("4","3","5","1","4","1","2","1") = "4"
    & skf21("4","3","5","1","4","1","3","1") = "4"
    & skf21("4","3","5","1","4","1","4","1") = "4"
    & skf21("4","3","5","1","4","1","5","1") = "4"
    & skf21("4","3","5","1","4","1","6","1") = "5"
    & skf21("4","3","5","1","4","1","7","1") = "6"
    & skf21("4","3","5","1","4","2","1","1") = "4"
    & skf21("4","3","5","1","4","2","2","1") = "4"
    & skf21("4","3","5","1","4","2","3","1") = "4"
    & skf21("4","3","5","1","4","2","4","1") = "4"
    & skf21("4","3","5","1","4","2","5","1") = "4"
    & skf21("4","3","5","1","4","2","6","1") = "5"
    & skf21("4","3","5","1","4","2","7","1") = "6"
    & skf21("4","3","5","1","4","3","1","1") = "4"
    & skf21("4","3","5","1","4","3","2","1") = "4"
    & skf21("4","3","5","1","4","3","3","1") = "4"
    & skf21("4","3","5","1","4","3","4","1") = "4"
    & skf21("4","3","5","1","4","3","5","1") = "4"
    & skf21("4","3","5","1","4","3","6","1") = "5"
    & skf21("4","3","5","1","4","3","7","1") = "6"
    & skf21("4","3","5","1","4","4","1","1") = "4"
    & skf21("4","3","5","1","4","4","2","1") = "4"
    & skf21("4","3","5","1","4","4","3","1") = "4"
    & skf21("4","3","5","1","4","4","4","1") = "4"
    & skf21("4","3","5","1","4","4","5","1") = "4"
    & skf21("4","3","5","1","4","4","6","1") = "5"
    & skf21("4","3","5","1","4","4","7","1") = "6"
    & skf21("4","3","5","1","4","5","1","1") = "4"
    & skf21("4","3","5","1","4","5","2","1") = "4"
    & skf21("4","3","5","1","4","5","3","1") = "4"
    & skf21("4","3","5","1","4","5","4","1") = "4"
    & skf21("4","3","5","1","4","5","5","1") = "4"
    & skf21("4","3","5","1","4","5","6","1") = "5"
    & skf21("4","3","5","1","4","5","7","1") = "6"
    & skf21("4","3","5","1","4","6","1","1") = "5"
    & skf21("4","3","5","1","4","6","2","1") = "5"
    & skf21("4","3","5","1","4","6","3","1") = "5"
    & skf21("4","3","5","1","4","6","4","1") = "5"
    & skf21("4","3","5","1","4","6","5","1") = "5"
    & skf21("4","3","5","1","4","6","6","1") = "5"
    & skf21("4","3","5","1","4","6","7","1") = "6"
    & skf21("4","3","5","1","4","7","1","1") = "6"
    & skf21("4","3","5","1","4","7","2","1") = "6"
    & skf21("4","3","5","1","4","7","3","1") = "6"
    & skf21("4","3","5","1","4","7","4","1") = "6"
    & skf21("4","3","5","1","4","7","5","1") = "6"
    & skf21("4","3","5","1","4","7","6","1") = "6"
    & skf21("4","3","5","1","4","7","7","1") = "6"
    & skf21("4","3","5","1","5","1","1","1") = "4"
    & skf21("4","3","5","1","5","1","2","1") = "4"
    & skf21("4","3","5","1","5","1","3","1") = "4"
    & skf21("4","3","5","1","5","1","4","1") = "4"
    & skf21("4","3","5","1","5","1","5","1") = "4"
    & skf21("4","3","5","1","5","1","6","1") = "5"
    & skf21("4","3","5","1","5","1","7","1") = "6"
    & skf21("4","3","5","1","5","2","1","1") = "4"
    & skf21("4","3","5","1","5","2","2","1") = "4"
    & skf21("4","3","5","1","5","2","3","1") = "4"
    & skf21("4","3","5","1","5","2","4","1") = "4"
    & skf21("4","3","5","1","5","2","5","1") = "4"
    & skf21("4","3","5","1","5","2","6","1") = "5"
    & skf21("4","3","5","1","5","2","7","1") = "6"
    & skf21("4","3","5","1","5","3","1","1") = "4"
    & skf21("4","3","5","1","5","3","2","1") = "4"
    & skf21("4","3","5","1","5","3","3","1") = "4"
    & skf21("4","3","5","1","5","3","4","1") = "4"
    & skf21("4","3","5","1","5","3","5","1") = "4"
    & skf21("4","3","5","1","5","3","6","1") = "5"
    & skf21("4","3","5","1","5","3","7","1") = "6"
    & skf21("4","3","5","1","5","4","1","1") = "4"
    & skf21("4","3","5","1","5","4","2","1") = "4"
    & skf21("4","3","5","1","5","4","3","1") = "4"
    & skf21("4","3","5","1","5","4","4","1") = "4"
    & skf21("4","3","5","1","5","4","5","1") = "4"
    & skf21("4","3","5","1","5","4","6","1") = "5"
    & skf21("4","3","5","1","5","4","7","1") = "6"
    & skf21("4","3","5","1","5","5","1","1") = "4"
    & skf21("4","3","5","1","5","5","2","1") = "4"
    & skf21("4","3","5","1","5","5","3","1") = "4"
    & skf21("4","3","5","1","5","5","4","1") = "4"
    & skf21("4","3","5","1","5","5","5","1") = "4"
    & skf21("4","3","5","1","5","5","6","1") = "5"
    & skf21("4","3","5","1","5","5","7","1") = "6"
    & skf21("4","3","5","1","5","6","1","1") = "5"
    & skf21("4","3","5","1","5","6","2","1") = "5"
    & skf21("4","3","5","1","5","6","3","1") = "5"
    & skf21("4","3","5","1","5","6","4","1") = "5"
    & skf21("4","3","5","1","5","6","5","1") = "5"
    & skf21("4","3","5","1","5","6","6","1") = "5"
    & skf21("4","3","5","1","5","6","7","1") = "6"
    & skf21("4","3","5","1","5","7","1","1") = "6"
    & skf21("4","3","5","1","5","7","2","1") = "6"
    & skf21("4","3","5","1","5","7","3","1") = "6"
    & skf21("4","3","5","1","5","7","4","1") = "6"
    & skf21("4","3","5","1","5","7","5","1") = "6"
    & skf21("4","3","5","1","5","7","6","1") = "6"
    & skf21("4","3","5","1","5","7","7","1") = "6"
    & skf21("4","3","5","1","6","1","1","1") = "5"
    & skf21("4","3","5","1","6","1","2","1") = "5"
    & skf21("4","3","5","1","6","1","3","1") = "5"
    & skf21("4","3","5","1","6","1","4","1") = "5"
    & skf21("4","3","5","1","6","1","5","1") = "5"
    & skf21("4","3","5","1","6","1","6","1") = "5"
    & skf21("4","3","5","1","6","1","7","1") = "6"
    & skf21("4","3","5","1","6","2","1","1") = "5"
    & skf21("4","3","5","1","6","2","2","1") = "5"
    & skf21("4","3","5","1","6","2","3","1") = "5"
    & skf21("4","3","5","1","6","2","4","1") = "5"
    & skf21("4","3","5","1","6","2","5","1") = "5"
    & skf21("4","3","5","1","6","2","6","1") = "5"
    & skf21("4","3","5","1","6","2","7","1") = "6"
    & skf21("4","3","5","1","6","3","1","1") = "5"
    & skf21("4","3","5","1","6","3","2","1") = "5"
    & skf21("4","3","5","1","6","3","3","1") = "5"
    & skf21("4","3","5","1","6","3","4","1") = "5"
    & skf21("4","3","5","1","6","3","5","1") = "5"
    & skf21("4","3","5","1","6","3","6","1") = "5"
    & skf21("4","3","5","1","6","3","7","1") = "6"
    & skf21("4","3","5","1","6","4","1","1") = "5"
    & skf21("4","3","5","1","6","4","2","1") = "5"
    & skf21("4","3","5","1","6","4","3","1") = "5"
    & skf21("4","3","5","1","6","4","4","1") = "5"
    & skf21("4","3","5","1","6","4","5","1") = "5"
    & skf21("4","3","5","1","6","4","6","1") = "5"
    & skf21("4","3","5","1","6","4","7","1") = "6"
    & skf21("4","3","5","1","6","5","1","1") = "5"
    & skf21("4","3","5","1","6","5","2","1") = "5"
    & skf21("4","3","5","1","6","5","3","1") = "5"
    & skf21("4","3","5","1","6","5","4","1") = "5"
    & skf21("4","3","5","1","6","5","5","1") = "5"
    & skf21("4","3","5","1","6","5","6","1") = "5"
    & skf21("4","3","5","1","6","5","7","1") = "6"
    & skf21("4","3","5","1","6","6","1","1") = "5"
    & skf21("4","3","5","1","6","6","2","1") = "5"
    & skf21("4","3","5","1","6","6","3","1") = "5"
    & skf21("4","3","5","1","6","6","4","1") = "5"
    & skf21("4","3","5","1","6","6","5","1") = "5"
    & skf21("4","3","5","1","6","6","6","1") = "5"
    & skf21("4","3","5","1","6","6","7","1") = "6"
    & skf21("4","3","5","1","6","7","1","1") = "6"
    & skf21("4","3","5","1","6","7","2","1") = "6"
    & skf21("4","3","5","1","6","7","3","1") = "6"
    & skf21("4","3","5","1","6","7","4","1") = "6"
    & skf21("4","3","5","1","6","7","5","1") = "6"
    & skf21("4","3","5","1","6","7","6","1") = "6"
    & skf21("4","3","5","1","6","7","7","1") = "6"
    & skf21("4","3","5","1","7","1","1","1") = "6"
    & skf21("4","3","5","1","7","1","2","1") = "6"
    & skf21("4","3","5","1","7","1","3","1") = "6"
    & skf21("4","3","5","1","7","1","4","1") = "6"
    & skf21("4","3","5","1","7","1","5","1") = "6"
    & skf21("4","3","5","1","7","1","6","1") = "6"
    & skf21("4","3","5","1","7","1","7","1") = "6"
    & skf21("4","3","5","1","7","2","1","1") = "6"
    & skf21("4","3","5","1","7","2","2","1") = "6"
    & skf21("4","3","5","1","7","2","3","1") = "6"
    & skf21("4","3","5","1","7","2","4","1") = "6"
    & skf21("4","3","5","1","7","2","5","1") = "6"
    & skf21("4","3","5","1","7","2","6","1") = "6"
    & skf21("4","3","5","1","7","2","7","1") = "6"
    & skf21("4","3","5","1","7","3","1","1") = "6"
    & skf21("4","3","5","1","7","3","2","1") = "6"
    & skf21("4","3","5","1","7","3","3","1") = "6"
    & skf21("4","3","5","1","7","3","4","1") = "6"
    & skf21("4","3","5","1","7","3","5","1") = "6"
    & skf21("4","3","5","1","7","3","6","1") = "6"
    & skf21("4","3","5","1","7","3","7","1") = "6"
    & skf21("4","3","5","1","7","4","1","1") = "6"
    & skf21("4","3","5","1","7","4","2","1") = "6"
    & skf21("4","3","5","1","7","4","3","1") = "6"
    & skf21("4","3","5","1","7","4","4","1") = "6"
    & skf21("4","3","5","1","7","4","5","1") = "6"
    & skf21("4","3","5","1","7","4","6","1") = "6"
    & skf21("4","3","5","1","7","4","7","1") = "6"
    & skf21("4","3","5","1","7","5","1","1") = "6"
    & skf21("4","3","5","1","7","5","2","1") = "6"
    & skf21("4","3","5","1","7","5","3","1") = "6"
    & skf21("4","3","5","1","7","5","4","1") = "6"
    & skf21("4","3","5","1","7","5","5","1") = "6"
    & skf21("4","3","5","1","7","5","6","1") = "6"
    & skf21("4","3","5","1","7","5","7","1") = "6"
    & skf21("4","3","5","1","7","6","1","1") = "6"
    & skf21("4","3","5","1","7","6","2","1") = "6"
    & skf21("4","3","5","1","7","6","3","1") = "6"
    & skf21("4","3","5","1","7","6","4","1") = "6"
    & skf21("4","3","5","1","7","6","5","1") = "6"
    & skf21("4","3","5","1","7","6","6","1") = "6"
    & skf21("4","3","5","1","7","6","7","1") = "6"
    & skf21("4","3","5","1","7","7","1","1") = "6"
    & skf21("4","3","5","1","7","7","2","1") = "6"
    & skf21("4","3","5","1","7","7","3","1") = "6"
    & skf21("4","3","5","1","7","7","4","1") = "6"
    & skf21("4","3","5","1","7","7","5","1") = "6"
    & skf21("4","3","5","1","7","7","6","1") = "6"
    & skf21("4","3","5","1","7","7","7","1") = "6"
    & skf21("4","3","5","2","1","1","1","1") = "4"
    & skf21("4","3","5","2","1","1","2","1") = "4"
    & skf21("4","3","5","2","1","1","3","1") = "4"
    & skf21("4","3","5","2","1","1","4","1") = "4"
    & skf21("4","3","5","2","1","1","5","1") = "4"
    & skf21("4","3","5","2","1","1","6","1") = "5"
    & skf21("4","3","5","2","1","1","7","1") = "6"
    & skf21("4","3","5","2","1","2","1","1") = "4"
    & skf21("4","3","5","2","1","2","2","1") = "4"
    & skf21("4","3","5","2","1","2","3","1") = "4"
    & skf21("4","3","5","2","1","2","4","1") = "4"
    & skf21("4","3","5","2","1","2","5","1") = "4"
    & skf21("4","3","5","2","1","2","6","1") = "5"
    & skf21("4","3","5","2","1","2","7","1") = "6"
    & skf21("4","3","5","2","1","3","1","1") = "4"
    & skf21("4","3","5","2","1","3","2","1") = "4"
    & skf21("4","3","5","2","1","3","3","1") = "4"
    & skf21("4","3","5","2","1","3","4","1") = "4"
    & skf21("4","3","5","2","1","3","5","1") = "4"
    & skf21("4","3","5","2","1","3","6","1") = "5"
    & skf21("4","3","5","2","1","3","7","1") = "6"
    & skf21("4","3","5","2","1","4","1","1") = "4"
    & skf21("4","3","5","2","1","4","2","1") = "4"
    & skf21("4","3","5","2","1","4","3","1") = "4"
    & skf21("4","3","5","2","1","4","4","1") = "4"
    & skf21("4","3","5","2","1","4","5","1") = "4"
    & skf21("4","3","5","2","1","4","6","1") = "5"
    & skf21("4","3","5","2","1","4","7","1") = "6"
    & skf21("4","3","5","2","1","5","1","1") = "4"
    & skf21("4","3","5","2","1","5","2","1") = "4"
    & skf21("4","3","5","2","1","5","3","1") = "4"
    & skf21("4","3","5","2","1","5","4","1") = "4"
    & skf21("4","3","5","2","1","5","5","1") = "4"
    & skf21("4","3","5","2","1","5","6","1") = "5"
    & skf21("4","3","5","2","1","5","7","1") = "6"
    & skf21("4","3","5","2","1","6","1","1") = "5"
    & skf21("4","3","5","2","1","6","2","1") = "5"
    & skf21("4","3","5","2","1","6","3","1") = "5"
    & skf21("4","3","5","2","1","6","4","1") = "5"
    & skf21("4","3","5","2","1","6","5","1") = "5"
    & skf21("4","3","5","2","1","6","6","1") = "5"
    & skf21("4","3","5","2","1","6","7","1") = "6"
    & skf21("4","3","5","2","1","7","1","1") = "6"
    & skf21("4","3","5","2","1","7","2","1") = "6"
    & skf21("4","3","5","2","1","7","3","1") = "6"
    & skf21("4","3","5","2","1","7","4","1") = "6"
    & skf21("4","3","5","2","1","7","5","1") = "6"
    & skf21("4","3","5","2","1","7","6","1") = "6"
    & skf21("4","3","5","2","1","7","7","1") = "6"
    & skf21("4","3","5","2","2","1","1","1") = "4"
    & skf21("4","3","5","2","2","1","2","1") = "4"
    & skf21("4","3","5","2","2","1","3","1") = "4"
    & skf21("4","3","5","2","2","1","4","1") = "4"
    & skf21("4","3","5","2","2","1","5","1") = "4"
    & skf21("4","3","5","2","2","1","6","1") = "5"
    & skf21("4","3","5","2","2","1","7","1") = "6"
    & skf21("4","3","5","2","2","2","1","1") = "4"
    & skf21("4","3","5","2","2","2","2","1") = "4"
    & skf21("4","3","5","2","2","2","3","1") = "4"
    & skf21("4","3","5","2","2","2","4","1") = "4"
    & skf21("4","3","5","2","2","2","5","1") = "4"
    & skf21("4","3","5","2","2","2","6","1") = "5"
    & skf21("4","3","5","2","2","2","7","1") = "6"
    & skf21("4","3","5","2","2","3","1","1") = "4"
    & skf21("4","3","5","2","2","3","2","1") = "4"
    & skf21("4","3","5","2","2","3","3","1") = "4"
    & skf21("4","3","5","2","2","3","4","1") = "4"
    & skf21("4","3","5","2","2","3","5","1") = "4"
    & skf21("4","3","5","2","2","3","6","1") = "5"
    & skf21("4","3","5","2","2","3","7","1") = "6"
    & skf21("4","3","5","2","2","4","1","1") = "4"
    & skf21("4","3","5","2","2","4","2","1") = "4"
    & skf21("4","3","5","2","2","4","3","1") = "4"
    & skf21("4","3","5","2","2","4","4","1") = "4"
    & skf21("4","3","5","2","2","4","5","1") = "4"
    & skf21("4","3","5","2","2","4","6","1") = "5"
    & skf21("4","3","5","2","2","4","7","1") = "6"
    & skf21("4","3","5","2","2","5","1","1") = "4"
    & skf21("4","3","5","2","2","5","2","1") = "4"
    & skf21("4","3","5","2","2","5","3","1") = "4"
    & skf21("4","3","5","2","2","5","4","1") = "4"
    & skf21("4","3","5","2","2","5","5","1") = "4"
    & skf21("4","3","5","2","2","5","6","1") = "5"
    & skf21("4","3","5","2","2","5","7","1") = "6"
    & skf21("4","3","5","2","2","6","1","1") = "5"
    & skf21("4","3","5","2","2","6","2","1") = "5"
    & skf21("4","3","5","2","2","6","3","1") = "5"
    & skf21("4","3","5","2","2","6","4","1") = "5"
    & skf21("4","3","5","2","2","6","5","1") = "5"
    & skf21("4","3","5","2","2","6","6","1") = "5"
    & skf21("4","3","5","2","2","6","7","1") = "6"
    & skf21("4","3","5","2","2","7","1","1") = "6"
    & skf21("4","3","5","2","2","7","2","1") = "6"
    & skf21("4","3","5","2","2","7","3","1") = "6"
    & skf21("4","3","5","2","2","7","4","1") = "6"
    & skf21("4","3","5","2","2","7","5","1") = "6"
    & skf21("4","3","5","2","2","7","6","1") = "6"
    & skf21("4","3","5","2","2","7","7","1") = "6"
    & skf21("4","3","5","2","3","1","1","1") = "4"
    & skf21("4","3","5","2","3","1","2","1") = "4"
    & skf21("4","3","5","2","3","1","3","1") = "4"
    & skf21("4","3","5","2","3","1","4","1") = "4"
    & skf21("4","3","5","2","3","1","5","1") = "4"
    & skf21("4","3","5","2","3","1","6","1") = "5"
    & skf21("4","3","5","2","3","1","7","1") = "6"
    & skf21("4","3","5","2","3","2","1","1") = "4"
    & skf21("4","3","5","2","3","2","2","1") = "4"
    & skf21("4","3","5","2","3","2","3","1") = "4"
    & skf21("4","3","5","2","3","2","4","1") = "4"
    & skf21("4","3","5","2","3","2","5","1") = "4"
    & skf21("4","3","5","2","3","2","6","1") = "5"
    & skf21("4","3","5","2","3","2","7","1") = "6"
    & skf21("4","3","5","2","3","3","1","1") = "4"
    & skf21("4","3","5","2","3","3","2","1") = "4"
    & skf21("4","3","5","2","3","3","3","1") = "4"
    & skf21("4","3","5","2","3","3","4","1") = "4"
    & skf21("4","3","5","2","3","3","5","1") = "4"
    & skf21("4","3","5","2","3","3","6","1") = "5"
    & skf21("4","3","5","2","3","3","7","1") = "6"
    & skf21("4","3","5","2","3","4","1","1") = "4"
    & skf21("4","3","5","2","3","4","2","1") = "4"
    & skf21("4","3","5","2","3","4","3","1") = "4"
    & skf21("4","3","5","2","3","4","4","1") = "4"
    & skf21("4","3","5","2","3","4","5","1") = "4"
    & skf21("4","3","5","2","3","4","6","1") = "5"
    & skf21("4","3","5","2","3","4","7","1") = "6"
    & skf21("4","3","5","2","3","5","1","1") = "4"
    & skf21("4","3","5","2","3","5","2","1") = "4"
    & skf21("4","3","5","2","3","5","3","1") = "4"
    & skf21("4","3","5","2","3","5","4","1") = "4"
    & skf21("4","3","5","2","3","5","5","1") = "4"
    & skf21("4","3","5","2","3","5","6","1") = "5"
    & skf21("4","3","5","2","3","5","7","1") = "6"
    & skf21("4","3","5","2","3","6","1","1") = "5"
    & skf21("4","3","5","2","3","6","2","1") = "5"
    & skf21("4","3","5","2","3","6","3","1") = "5"
    & skf21("4","3","5","2","3","6","4","1") = "5"
    & skf21("4","3","5","2","3","6","5","1") = "5"
    & skf21("4","3","5","2","3","6","6","1") = "5"
    & skf21("4","3","5","2","3","6","7","1") = "6"
    & skf21("4","3","5","2","3","7","1","1") = "6"
    & skf21("4","3","5","2","3","7","2","1") = "6"
    & skf21("4","3","5","2","3","7","3","1") = "6"
    & skf21("4","3","5","2","3","7","4","1") = "6"
    & skf21("4","3","5","2","3","7","5","1") = "6"
    & skf21("4","3","5","2","3","7","6","1") = "6"
    & skf21("4","3","5","2","3","7","7","1") = "6"
    & skf21("4","3","5","2","4","1","1","1") = "4"
    & skf21("4","3","5","2","4","1","2","1") = "4"
    & skf21("4","3","5","2","4","1","3","1") = "4"
    & skf21("4","3","5","2","4","1","4","1") = "4"
    & skf21("4","3","5","2","4","1","5","1") = "4"
    & skf21("4","3","5","2","4","1","6","1") = "5"
    & skf21("4","3","5","2","4","1","7","1") = "6"
    & skf21("4","3","5","2","4","2","1","1") = "4"
    & skf21("4","3","5","2","4","2","2","1") = "4"
    & skf21("4","3","5","2","4","2","3","1") = "4"
    & skf21("4","3","5","2","4","2","4","1") = "4"
    & skf21("4","3","5","2","4","2","5","1") = "4"
    & skf21("4","3","5","2","4","2","6","1") = "5"
    & skf21("4","3","5","2","4","2","7","1") = "6"
    & skf21("4","3","5","2","4","3","1","1") = "4"
    & skf21("4","3","5","2","4","3","2","1") = "4"
    & skf21("4","3","5","2","4","3","3","1") = "4"
    & skf21("4","3","5","2","4","3","4","1") = "4"
    & skf21("4","3","5","2","4","3","5","1") = "4"
    & skf21("4","3","5","2","4","3","6","1") = "5"
    & skf21("4","3","5","2","4","3","7","1") = "6"
    & skf21("4","3","5","2","4","4","1","1") = "4"
    & skf21("4","3","5","2","4","4","2","1") = "4"
    & skf21("4","3","5","2","4","4","3","1") = "4"
    & skf21("4","3","5","2","4","4","4","1") = "4"
    & skf21("4","3","5","2","4","4","5","1") = "4"
    & skf21("4","3","5","2","4","4","6","1") = "5"
    & skf21("4","3","5","2","4","4","7","1") = "6"
    & skf21("4","3","5","2","4","5","1","1") = "4"
    & skf21("4","3","5","2","4","5","2","1") = "4"
    & skf21("4","3","5","2","4","5","3","1") = "4"
    & skf21("4","3","5","2","4","5","4","1") = "4"
    & skf21("4","3","5","2","4","5","5","1") = "4"
    & skf21("4","3","5","2","4","5","6","1") = "5"
    & skf21("4","3","5","2","4","5","7","1") = "6"
    & skf21("4","3","5","2","4","6","1","1") = "5"
    & skf21("4","3","5","2","4","6","2","1") = "5"
    & skf21("4","3","5","2","4","6","3","1") = "5"
    & skf21("4","3","5","2","4","6","4","1") = "5"
    & skf21("4","3","5","2","4","6","5","1") = "5"
    & skf21("4","3","5","2","4","6","6","1") = "5"
    & skf21("4","3","5","2","4","6","7","1") = "6"
    & skf21("4","3","5","2","4","7","1","1") = "6"
    & skf21("4","3","5","2","4","7","2","1") = "6"
    & skf21("4","3","5","2","4","7","3","1") = "6"
    & skf21("4","3","5","2","4","7","4","1") = "6"
    & skf21("4","3","5","2","4","7","5","1") = "6"
    & skf21("4","3","5","2","4","7","6","1") = "6"
    & skf21("4","3","5","2","4","7","7","1") = "6"
    & skf21("4","3","5","2","5","1","1","1") = "4"
    & skf21("4","3","5","2","5","1","2","1") = "4"
    & skf21("4","3","5","2","5","1","3","1") = "4"
    & skf21("4","3","5","2","5","1","4","1") = "4"
    & skf21("4","3","5","2","5","1","5","1") = "4"
    & skf21("4","3","5","2","5","1","6","1") = "5"
    & skf21("4","3","5","2","5","1","7","1") = "6"
    & skf21("4","3","5","2","5","2","1","1") = "4"
    & skf21("4","3","5","2","5","2","2","1") = "4"
    & skf21("4","3","5","2","5","2","3","1") = "4"
    & skf21("4","3","5","2","5","2","4","1") = "4"
    & skf21("4","3","5","2","5","2","5","1") = "4"
    & skf21("4","3","5","2","5","2","6","1") = "5"
    & skf21("4","3","5","2","5","2","7","1") = "6"
    & skf21("4","3","5","2","5","3","1","1") = "4"
    & skf21("4","3","5","2","5","3","2","1") = "4"
    & skf21("4","3","5","2","5","3","3","1") = "4"
    & skf21("4","3","5","2","5","3","4","1") = "4"
    & skf21("4","3","5","2","5","3","5","1") = "4"
    & skf21("4","3","5","2","5","3","6","1") = "5"
    & skf21("4","3","5","2","5","3","7","1") = "6"
    & skf21("4","3","5","2","5","4","1","1") = "4"
    & skf21("4","3","5","2","5","4","2","1") = "4"
    & skf21("4","3","5","2","5","4","3","1") = "4"
    & skf21("4","3","5","2","5","4","4","1") = "4"
    & skf21("4","3","5","2","5","4","5","1") = "4"
    & skf21("4","3","5","2","5","4","6","1") = "5"
    & skf21("4","3","5","2","5","4","7","1") = "6"
    & skf21("4","3","5","2","5","5","1","1") = "4"
    & skf21("4","3","5","2","5","5","2","1") = "4"
    & skf21("4","3","5","2","5","5","3","1") = "4"
    & skf21("4","3","5","2","5","5","4","1") = "4"
    & skf21("4","3","5","2","5","5","5","1") = "4"
    & skf21("4","3","5","2","5","5","6","1") = "5"
    & skf21("4","3","5","2","5","5","7","1") = "6"
    & skf21("4","3","5","2","5","6","1","1") = "5"
    & skf21("4","3","5","2","5","6","2","1") = "5"
    & skf21("4","3","5","2","5","6","3","1") = "5"
    & skf21("4","3","5","2","5","6","4","1") = "5"
    & skf21("4","3","5","2","5","6","5","1") = "5"
    & skf21("4","3","5","2","5","6","6","1") = "5"
    & skf21("4","3","5","2","5","6","7","1") = "6"
    & skf21("4","3","5","2","5","7","1","1") = "6"
    & skf21("4","3","5","2","5","7","2","1") = "6"
    & skf21("4","3","5","2","5","7","3","1") = "6"
    & skf21("4","3","5","2","5","7","4","1") = "6"
    & skf21("4","3","5","2","5","7","5","1") = "6"
    & skf21("4","3","5","2","5","7","6","1") = "6"
    & skf21("4","3","5","2","5","7","7","1") = "6"
    & skf21("4","3","5","2","6","1","1","1") = "5"
    & skf21("4","3","5","2","6","1","2","1") = "5"
    & skf21("4","3","5","2","6","1","3","1") = "5"
    & skf21("4","3","5","2","6","1","4","1") = "5"
    & skf21("4","3","5","2","6","1","5","1") = "5"
    & skf21("4","3","5","2","6","1","6","1") = "5"
    & skf21("4","3","5","2","6","1","7","1") = "6"
    & skf21("4","3","5","2","6","2","1","1") = "5"
    & skf21("4","3","5","2","6","2","2","1") = "5"
    & skf21("4","3","5","2","6","2","3","1") = "5"
    & skf21("4","3","5","2","6","2","4","1") = "5"
    & skf21("4","3","5","2","6","2","5","1") = "5"
    & skf21("4","3","5","2","6","2","6","1") = "5"
    & skf21("4","3","5","2","6","2","7","1") = "6"
    & skf21("4","3","5","2","6","3","1","1") = "5"
    & skf21("4","3","5","2","6","3","2","1") = "5"
    & skf21("4","3","5","2","6","3","3","1") = "5"
    & skf21("4","3","5","2","6","3","4","1") = "5"
    & skf21("4","3","5","2","6","3","5","1") = "5"
    & skf21("4","3","5","2","6","3","6","1") = "5"
    & skf21("4","3","5","2","6","3","7","1") = "6"
    & skf21("4","3","5","2","6","4","1","1") = "5"
    & skf21("4","3","5","2","6","4","2","1") = "5"
    & skf21("4","3","5","2","6","4","3","1") = "5"
    & skf21("4","3","5","2","6","4","4","1") = "5"
    & skf21("4","3","5","2","6","4","5","1") = "5"
    & skf21("4","3","5","2","6","4","6","1") = "5"
    & skf21("4","3","5","2","6","4","7","1") = "6"
    & skf21("4","3","5","2","6","5","1","1") = "5"
    & skf21("4","3","5","2","6","5","2","1") = "5"
    & skf21("4","3","5","2","6","5","3","1") = "5"
    & skf21("4","3","5","2","6","5","4","1") = "5"
    & skf21("4","3","5","2","6","5","5","1") = "5"
    & skf21("4","3","5","2","6","5","6","1") = "5"
    & skf21("4","3","5","2","6","5","7","1") = "6"
    & skf21("4","3","5","2","6","6","1","1") = "5"
    & skf21("4","3","5","2","6","6","2","1") = "5"
    & skf21("4","3","5","2","6","6","3","1") = "5"
    & skf21("4","3","5","2","6","6","4","1") = "5"
    & skf21("4","3","5","2","6","6","5","1") = "5"
    & skf21("4","3","5","2","6","6","6","1") = "5"
    & skf21("4","3","5","2","6","6","7","1") = "6"
    & skf21("4","3","5","2","6","7","1","1") = "6"
    & skf21("4","3","5","2","6","7","2","1") = "6"
    & skf21("4","3","5","2","6","7","3","1") = "6"
    & skf21("4","3","5","2","6","7","4","1") = "6"
    & skf21("4","3","5","2","6","7","5","1") = "6"
    & skf21("4","3","5","2","6","7","6","1") = "6"
    & skf21("4","3","5","2","6","7","7","1") = "6"
    & skf21("4","3","5","2","7","1","1","1") = "6"
    & skf21("4","3","5","2","7","1","2","1") = "6"
    & skf21("4","3","5","2","7","1","3","1") = "6"
    & skf21("4","3","5","2","7","1","4","1") = "6"
    & skf21("4","3","5","2","7","1","5","1") = "6"
    & skf21("4","3","5","2","7","1","6","1") = "6"
    & skf21("4","3","5","2","7","1","7","1") = "6"
    & skf21("4","3","5","2","7","2","1","1") = "6"
    & skf21("4","3","5","2","7","2","2","1") = "6"
    & skf21("4","3","5","2","7","2","3","1") = "6"
    & skf21("4","3","5","2","7","2","4","1") = "6"
    & skf21("4","3","5","2","7","2","5","1") = "6"
    & skf21("4","3","5","2","7","2","6","1") = "6"
    & skf21("4","3","5","2","7","2","7","1") = "6"
    & skf21("4","3","5","2","7","3","1","1") = "6"
    & skf21("4","3","5","2","7","3","2","1") = "6"
    & skf21("4","3","5","2","7","3","3","1") = "6"
    & skf21("4","3","5","2","7","3","4","1") = "6"
    & skf21("4","3","5","2","7","3","5","1") = "6"
    & skf21("4","3","5","2","7","3","6","1") = "6"
    & skf21("4","3","5","2","7","3","7","1") = "6"
    & skf21("4","3","5","2","7","4","1","1") = "6"
    & skf21("4","3","5","2","7","4","2","1") = "6"
    & skf21("4","3","5","2","7","4","3","1") = "6"
    & skf21("4","3","5","2","7","4","4","1") = "6"
    & skf21("4","3","5","2","7","4","5","1") = "6"
    & skf21("4","3","5","2","7","4","6","1") = "6"
    & skf21("4","3","5","2","7","4","7","1") = "6"
    & skf21("4","3","5","2","7","5","1","1") = "6"
    & skf21("4","3","5","2","7","5","2","1") = "6"
    & skf21("4","3","5","2","7","5","3","1") = "6"
    & skf21("4","3","5","2","7","5","4","1") = "6"
    & skf21("4","3","5","2","7","5","5","1") = "6"
    & skf21("4","3","5","2","7","5","6","1") = "6"
    & skf21("4","3","5","2","7","5","7","1") = "6"
    & skf21("4","3","5","2","7","6","1","1") = "6"
    & skf21("4","3","5","2","7","6","2","1") = "6"
    & skf21("4","3","5","2","7","6","3","1") = "6"
    & skf21("4","3","5","2","7","6","4","1") = "6"
    & skf21("4","3","5","2","7","6","5","1") = "6"
    & skf21("4","3","5","2","7","6","6","1") = "6"
    & skf21("4","3","5","2","7","6","7","1") = "6"
    & skf21("4","3","5","2","7","7","1","1") = "6"
    & skf21("4","3","5","2","7","7","2","1") = "6"
    & skf21("4","3","5","2","7","7","3","1") = "6"
    & skf21("4","3","5","2","7","7","4","1") = "6"
    & skf21("4","3","5","2","7","7","5","1") = "6"
    & skf21("4","3","5","2","7","7","6","1") = "6"
    & skf21("4","3","5","2","7","7","7","1") = "6"
    & skf21("4","3","5","3","1","1","1","1") = "4"
    & skf21("4","3","5","3","1","1","2","1") = "4"
    & skf21("4","3","5","3","1","1","3","1") = "4"
    & skf21("4","3","5","3","1","1","4","1") = "4"
    & skf21("4","3","5","3","1","1","5","1") = "4"
    & skf21("4","3","5","3","1","1","6","1") = "5"
    & skf21("4","3","5","3","1","1","7","1") = "6"
    & skf21("4","3","5","3","1","2","1","1") = "4"
    & skf21("4","3","5","3","1","2","2","1") = "4"
    & skf21("4","3","5","3","1","2","3","1") = "4"
    & skf21("4","3","5","3","1","2","4","1") = "4"
    & skf21("4","3","5","3","1","2","5","1") = "4"
    & skf21("4","3","5","3","1","2","6","1") = "5"
    & skf21("4","3","5","3","1","2","7","1") = "6"
    & skf21("4","3","5","3","1","3","1","1") = "4"
    & skf21("4","3","5","3","1","3","2","1") = "4"
    & skf21("4","3","5","3","1","3","3","1") = "4"
    & skf21("4","3","5","3","1","3","4","1") = "4"
    & skf21("4","3","5","3","1","3","5","1") = "4"
    & skf21("4","3","5","3","1","3","6","1") = "5"
    & skf21("4","3","5","3","1","3","7","1") = "6"
    & skf21("4","3","5","3","1","4","1","1") = "4"
    & skf21("4","3","5","3","1","4","2","1") = "4"
    & skf21("4","3","5","3","1","4","3","1") = "4"
    & skf21("4","3","5","3","1","4","4","1") = "4"
    & skf21("4","3","5","3","1","4","5","1") = "4"
    & skf21("4","3","5","3","1","4","6","1") = "5"
    & skf21("4","3","5","3","1","4","7","1") = "6"
    & skf21("4","3","5","3","1","5","1","1") = "4"
    & skf21("4","3","5","3","1","5","2","1") = "4"
    & skf21("4","3","5","3","1","5","3","1") = "4"
    & skf21("4","3","5","3","1","5","4","1") = "4"
    & skf21("4","3","5","3","1","5","5","1") = "4"
    & skf21("4","3","5","3","1","5","6","1") = "5"
    & skf21("4","3","5","3","1","5","7","1") = "6"
    & skf21("4","3","5","3","1","6","1","1") = "5"
    & skf21("4","3","5","3","1","6","2","1") = "5"
    & skf21("4","3","5","3","1","6","3","1") = "5"
    & skf21("4","3","5","3","1","6","4","1") = "5"
    & skf21("4","3","5","3","1","6","5","1") = "5"
    & skf21("4","3","5","3","1","6","6","1") = "5"
    & skf21("4","3","5","3","1","6","7","1") = "6"
    & skf21("4","3","5","3","1","7","1","1") = "6"
    & skf21("4","3","5","3","1","7","2","1") = "6"
    & skf21("4","3","5","3","1","7","3","1") = "6"
    & skf21("4","3","5","3","1","7","4","1") = "6"
    & skf21("4","3","5","3","1","7","5","1") = "6"
    & skf21("4","3","5","3","1","7","6","1") = "6"
    & skf21("4","3","5","3","1","7","7","1") = "6"
    & skf21("4","3","5","3","2","1","1","1") = "4"
    & skf21("4","3","5","3","2","1","2","1") = "4"
    & skf21("4","3","5","3","2","1","3","1") = "4"
    & skf21("4","3","5","3","2","1","4","1") = "4"
    & skf21("4","3","5","3","2","1","5","1") = "4"
    & skf21("4","3","5","3","2","1","6","1") = "5"
    & skf21("4","3","5","3","2","1","7","1") = "6"
    & skf21("4","3","5","3","2","2","1","1") = "4"
    & skf21("4","3","5","3","2","2","2","1") = "4"
    & skf21("4","3","5","3","2","2","3","1") = "4"
    & skf21("4","3","5","3","2","2","4","1") = "4"
    & skf21("4","3","5","3","2","2","5","1") = "4"
    & skf21("4","3","5","3","2","2","6","1") = "5"
    & skf21("4","3","5","3","2","2","7","1") = "6"
    & skf21("4","3","5","3","2","3","1","1") = "4"
    & skf21("4","3","5","3","2","3","2","1") = "4"
    & skf21("4","3","5","3","2","3","3","1") = "4"
    & skf21("4","3","5","3","2","3","4","1") = "4"
    & skf21("4","3","5","3","2","3","5","1") = "4"
    & skf21("4","3","5","3","2","3","6","1") = "5"
    & skf21("4","3","5","3","2","3","7","1") = "6"
    & skf21("4","3","5","3","2","4","1","1") = "4"
    & skf21("4","3","5","3","2","4","2","1") = "4"
    & skf21("4","3","5","3","2","4","3","1") = "4"
    & skf21("4","3","5","3","2","4","4","1") = "4"
    & skf21("4","3","5","3","2","4","5","1") = "4"
    & skf21("4","3","5","3","2","4","6","1") = "5"
    & skf21("4","3","5","3","2","4","7","1") = "6"
    & skf21("4","3","5","3","2","5","1","1") = "4"
    & skf21("4","3","5","3","2","5","2","1") = "4"
    & skf21("4","3","5","3","2","5","3","1") = "4"
    & skf21("4","3","5","3","2","5","4","1") = "4"
    & skf21("4","3","5","3","2","5","5","1") = "4"
    & skf21("4","3","5","3","2","5","6","1") = "5"
    & skf21("4","3","5","3","2","5","7","1") = "6"
    & skf21("4","3","5","3","2","6","1","1") = "5"
    & skf21("4","3","5","3","2","6","2","1") = "5"
    & skf21("4","3","5","3","2","6","3","1") = "5"
    & skf21("4","3","5","3","2","6","4","1") = "5"
    & skf21("4","3","5","3","2","6","5","1") = "5"
    & skf21("4","3","5","3","2","6","6","1") = "5"
    & skf21("4","3","5","3","2","6","7","1") = "6"
    & skf21("4","3","5","3","2","7","1","1") = "6"
    & skf21("4","3","5","3","2","7","2","1") = "6"
    & skf21("4","3","5","3","2","7","3","1") = "6"
    & skf21("4","3","5","3","2","7","4","1") = "6"
    & skf21("4","3","5","3","2","7","5","1") = "6"
    & skf21("4","3","5","3","2","7","6","1") = "6"
    & skf21("4","3","5","3","2","7","7","1") = "6"
    & skf21("4","3","5","3","3","1","1","1") = "4"
    & skf21("4","3","5","3","3","1","2","1") = "4"
    & skf21("4","3","5","3","3","1","3","1") = "4"
    & skf21("4","3","5","3","3","1","4","1") = "4"
    & skf21("4","3","5","3","3","1","5","1") = "4"
    & skf21("4","3","5","3","3","1","6","1") = "5"
    & skf21("4","3","5","3","3","1","7","1") = "6"
    & skf21("4","3","5","3","3","2","1","1") = "4"
    & skf21("4","3","5","3","3","2","2","1") = "4"
    & skf21("4","3","5","3","3","2","3","1") = "4"
    & skf21("4","3","5","3","3","2","4","1") = "4"
    & skf21("4","3","5","3","3","2","5","1") = "4"
    & skf21("4","3","5","3","3","2","6","1") = "5"
    & skf21("4","3","5","3","3","2","7","1") = "6"
    & skf21("4","3","5","3","3","3","1","1") = "4"
    & skf21("4","3","5","3","3","3","2","1") = "4"
    & skf21("4","3","5","3","3","3","3","1") = "4"
    & skf21("4","3","5","3","3","3","4","1") = "4"
    & skf21("4","3","5","3","3","3","5","1") = "4"
    & skf21("4","3","5","3","3","3","6","1") = "5"
    & skf21("4","3","5","3","3","3","7","1") = "6"
    & skf21("4","3","5","3","3","4","1","1") = "4"
    & skf21("4","3","5","3","3","4","2","1") = "4"
    & skf21("4","3","5","3","3","4","3","1") = "4"
    & skf21("4","3","5","3","3","4","4","1") = "4"
    & skf21("4","3","5","3","3","4","5","1") = "4"
    & skf21("4","3","5","3","3","4","6","1") = "5"
    & skf21("4","3","5","3","3","4","7","1") = "6"
    & skf21("4","3","5","3","3","5","1","1") = "4"
    & skf21("4","3","5","3","3","5","2","1") = "4"
    & skf21("4","3","5","3","3","5","3","1") = "4"
    & skf21("4","3","5","3","3","5","4","1") = "4"
    & skf21("4","3","5","3","3","5","5","1") = "4"
    & skf21("4","3","5","3","3","5","6","1") = "5"
    & skf21("4","3","5","3","3","5","7","1") = "6"
    & skf21("4","3","5","3","3","6","1","1") = "5"
    & skf21("4","3","5","3","3","6","2","1") = "5"
    & skf21("4","3","5","3","3","6","3","1") = "5"
    & skf21("4","3","5","3","3","6","4","1") = "5"
    & skf21("4","3","5","3","3","6","5","1") = "5"
    & skf21("4","3","5","3","3","6","6","1") = "5"
    & skf21("4","3","5","3","3","6","7","1") = "6"
    & skf21("4","3","5","3","3","7","1","1") = "6"
    & skf21("4","3","5","3","3","7","2","1") = "6"
    & skf21("4","3","5","3","3","7","3","1") = "6"
    & skf21("4","3","5","3","3","7","4","1") = "6"
    & skf21("4","3","5","3","3","7","5","1") = "6"
    & skf21("4","3","5","3","3","7","6","1") = "6"
    & skf21("4","3","5","3","3","7","7","1") = "6"
    & skf21("4","3","5","3","4","1","1","1") = "4"
    & skf21("4","3","5","3","4","1","2","1") = "4"
    & skf21("4","3","5","3","4","1","3","1") = "4"
    & skf21("4","3","5","3","4","1","4","1") = "4"
    & skf21("4","3","5","3","4","1","5","1") = "4"
    & skf21("4","3","5","3","4","1","6","1") = "5"
    & skf21("4","3","5","3","4","1","7","1") = "6"
    & skf21("4","3","5","3","4","2","1","1") = "4"
    & skf21("4","3","5","3","4","2","2","1") = "4"
    & skf21("4","3","5","3","4","2","3","1") = "4"
    & skf21("4","3","5","3","4","2","4","1") = "4"
    & skf21("4","3","5","3","4","2","5","1") = "4"
    & skf21("4","3","5","3","4","2","6","1") = "5"
    & skf21("4","3","5","3","4","2","7","1") = "6"
    & skf21("4","3","5","3","4","3","1","1") = "4"
    & skf21("4","3","5","3","4","3","2","1") = "4"
    & skf21("4","3","5","3","4","3","3","1") = "4"
    & skf21("4","3","5","3","4","3","4","1") = "4"
    & skf21("4","3","5","3","4","3","5","1") = "4"
    & skf21("4","3","5","3","4","3","6","1") = "5"
    & skf21("4","3","5","3","4","3","7","1") = "6"
    & skf21("4","3","5","3","4","4","1","1") = "4"
    & skf21("4","3","5","3","4","4","2","1") = "4"
    & skf21("4","3","5","3","4","4","3","1") = "4"
    & skf21("4","3","5","3","4","4","4","1") = "4"
    & skf21("4","3","5","3","4","4","5","1") = "4"
    & skf21("4","3","5","3","4","4","6","1") = "5"
    & skf21("4","3","5","3","4","4","7","1") = "6"
    & skf21("4","3","5","3","4","5","1","1") = "4"
    & skf21("4","3","5","3","4","5","2","1") = "4"
    & skf21("4","3","5","3","4","5","3","1") = "4"
    & skf21("4","3","5","3","4","5","4","1") = "4"
    & skf21("4","3","5","3","4","5","5","1") = "4"
    & skf21("4","3","5","3","4","5","6","1") = "5"
    & skf21("4","3","5","3","4","5","7","1") = "6"
    & skf21("4","3","5","3","4","6","1","1") = "5"
    & skf21("4","3","5","3","4","6","2","1") = "5"
    & skf21("4","3","5","3","4","6","3","1") = "5"
    & skf21("4","3","5","3","4","6","4","1") = "5"
    & skf21("4","3","5","3","4","6","5","1") = "5"
    & skf21("4","3","5","3","4","6","6","1") = "5"
    & skf21("4","3","5","3","4","6","7","1") = "6"
    & skf21("4","3","5","3","4","7","1","1") = "6"
    & skf21("4","3","5","3","4","7","2","1") = "6"
    & skf21("4","3","5","3","4","7","3","1") = "6"
    & skf21("4","3","5","3","4","7","4","1") = "6"
    & skf21("4","3","5","3","4","7","5","1") = "6"
    & skf21("4","3","5","3","4","7","6","1") = "6"
    & skf21("4","3","5","3","4","7","7","1") = "6"
    & skf21("4","3","5","3","5","1","1","1") = "4"
    & skf21("4","3","5","3","5","1","2","1") = "4"
    & skf21("4","3","5","3","5","1","3","1") = "4"
    & skf21("4","3","5","3","5","1","4","1") = "4"
    & skf21("4","3","5","3","5","1","5","1") = "4"
    & skf21("4","3","5","3","5","1","6","1") = "5"
    & skf21("4","3","5","3","5","1","7","1") = "6"
    & skf21("4","3","5","3","5","2","1","1") = "4"
    & skf21("4","3","5","3","5","2","2","1") = "4"
    & skf21("4","3","5","3","5","2","3","1") = "4"
    & skf21("4","3","5","3","5","2","4","1") = "4"
    & skf21("4","3","5","3","5","2","5","1") = "4"
    & skf21("4","3","5","3","5","2","6","1") = "5"
    & skf21("4","3","5","3","5","2","7","1") = "6"
    & skf21("4","3","5","3","5","3","1","1") = "4"
    & skf21("4","3","5","3","5","3","2","1") = "4"
    & skf21("4","3","5","3","5","3","3","1") = "4"
    & skf21("4","3","5","3","5","3","4","1") = "4"
    & skf21("4","3","5","3","5","3","5","1") = "4"
    & skf21("4","3","5","3","5","3","6","1") = "5"
    & skf21("4","3","5","3","5","3","7","1") = "6"
    & skf21("4","3","5","3","5","4","1","1") = "4"
    & skf21("4","3","5","3","5","4","2","1") = "4"
    & skf21("4","3","5","3","5","4","3","1") = "4"
    & skf21("4","3","5","3","5","4","4","1") = "4"
    & skf21("4","3","5","3","5","4","5","1") = "4"
    & skf21("4","3","5","3","5","4","6","1") = "5"
    & skf21("4","3","5","3","5","4","7","1") = "6"
    & skf21("4","3","5","3","5","5","1","1") = "4"
    & skf21("4","3","5","3","5","5","2","1") = "4"
    & skf21("4","3","5","3","5","5","3","1") = "4"
    & skf21("4","3","5","3","5","5","4","1") = "4"
    & skf21("4","3","5","3","5","5","5","1") = "4"
    & skf21("4","3","5","3","5","5","6","1") = "5"
    & skf21("4","3","5","3","5","5","7","1") = "6"
    & skf21("4","3","5","3","5","6","1","1") = "5"
    & skf21("4","3","5","3","5","6","2","1") = "5"
    & skf21("4","3","5","3","5","6","3","1") = "5"
    & skf21("4","3","5","3","5","6","4","1") = "5"
    & skf21("4","3","5","3","5","6","5","1") = "5"
    & skf21("4","3","5","3","5","6","6","1") = "5"
    & skf21("4","3","5","3","5","6","7","1") = "6"
    & skf21("4","3","5","3","5","7","1","1") = "6"
    & skf21("4","3","5","3","5","7","2","1") = "6"
    & skf21("4","3","5","3","5","7","3","1") = "6"
    & skf21("4","3","5","3","5","7","4","1") = "6"
    & skf21("4","3","5","3","5","7","5","1") = "6"
    & skf21("4","3","5","3","5","7","6","1") = "6"
    & skf21("4","3","5","3","5","7","7","1") = "6"
    & skf21("4","3","5","3","6","1","1","1") = "5"
    & skf21("4","3","5","3","6","1","2","1") = "5"
    & skf21("4","3","5","3","6","1","3","1") = "5"
    & skf21("4","3","5","3","6","1","4","1") = "5"
    & skf21("4","3","5","3","6","1","5","1") = "5"
    & skf21("4","3","5","3","6","1","6","1") = "5"
    & skf21("4","3","5","3","6","1","7","1") = "6"
    & skf21("4","3","5","3","6","2","1","1") = "5"
    & skf21("4","3","5","3","6","2","2","1") = "5"
    & skf21("4","3","5","3","6","2","3","1") = "5"
    & skf21("4","3","5","3","6","2","4","1") = "5"
    & skf21("4","3","5","3","6","2","5","1") = "5"
    & skf21("4","3","5","3","6","2","6","1") = "5"
    & skf21("4","3","5","3","6","2","7","1") = "6"
    & skf21("4","3","5","3","6","3","1","1") = "5"
    & skf21("4","3","5","3","6","3","2","1") = "5"
    & skf21("4","3","5","3","6","3","3","1") = "5"
    & skf21("4","3","5","3","6","3","4","1") = "5"
    & skf21("4","3","5","3","6","3","5","1") = "5"
    & skf21("4","3","5","3","6","3","6","1") = "5"
    & skf21("4","3","5","3","6","3","7","1") = "6"
    & skf21("4","3","5","3","6","4","1","1") = "5"
    & skf21("4","3","5","3","6","4","2","1") = "5"
    & skf21("4","3","5","3","6","4","3","1") = "5"
    & skf21("4","3","5","3","6","4","4","1") = "5"
    & skf21("4","3","5","3","6","4","5","1") = "5"
    & skf21("4","3","5","3","6","4","6","1") = "5"
    & skf21("4","3","5","3","6","4","7","1") = "6"
    & skf21("4","3","5","3","6","5","1","1") = "5"
    & skf21("4","3","5","3","6","5","2","1") = "5"
    & skf21("4","3","5","3","6","5","3","1") = "5"
    & skf21("4","3","5","3","6","5","4","1") = "5"
    & skf21("4","3","5","3","6","5","5","1") = "5"
    & skf21("4","3","5","3","6","5","6","1") = "5"
    & skf21("4","3","5","3","6","5","7","1") = "6"
    & skf21("4","3","5","3","6","6","1","1") = "5"
    & skf21("4","3","5","3","6","6","2","1") = "5"
    & skf21("4","3","5","3","6","6","3","1") = "5"
    & skf21("4","3","5","3","6","6","4","1") = "5"
    & skf21("4","3","5","3","6","6","5","1") = "5"
    & skf21("4","3","5","3","6","6","6","1") = "5"
    & skf21("4","3","5","3","6","6","7","1") = "6"
    & skf21("4","3","5","3","6","7","1","1") = "6"
    & skf21("4","3","5","3","6","7","2","1") = "6"
    & skf21("4","3","5","3","6","7","3","1") = "6"
    & skf21("4","3","5","3","6","7","4","1") = "6"
    & skf21("4","3","5","3","6","7","5","1") = "6"
    & skf21("4","3","5","3","6","7","6","1") = "6"
    & skf21("4","3","5","3","6","7","7","1") = "6"
    & skf21("4","3","5","3","7","1","1","1") = "6"
    & skf21("4","3","5","3","7","1","2","1") = "6"
    & skf21("4","3","5","3","7","1","3","1") = "6"
    & skf21("4","3","5","3","7","1","4","1") = "6"
    & skf21("4","3","5","3","7","1","5","1") = "6"
    & skf21("4","3","5","3","7","1","6","1") = "6"
    & skf21("4","3","5","3","7","1","7","1") = "6"
    & skf21("4","3","5","3","7","2","1","1") = "6"
    & skf21("4","3","5","3","7","2","2","1") = "6"
    & skf21("4","3","5","3","7","2","3","1") = "6"
    & skf21("4","3","5","3","7","2","4","1") = "6"
    & skf21("4","3","5","3","7","2","5","1") = "6"
    & skf21("4","3","5","3","7","2","6","1") = "6"
    & skf21("4","3","5","3","7","2","7","1") = "6"
    & skf21("4","3","5","3","7","3","1","1") = "6"
    & skf21("4","3","5","3","7","3","2","1") = "6"
    & skf21("4","3","5","3","7","3","3","1") = "6"
    & skf21("4","3","5","3","7","3","4","1") = "6"
    & skf21("4","3","5","3","7","3","5","1") = "6"
    & skf21("4","3","5","3","7","3","6","1") = "6"
    & skf21("4","3","5","3","7","3","7","1") = "6"
    & skf21("4","3","5","3","7","4","1","1") = "6"
    & skf21("4","3","5","3","7","4","2","1") = "6"
    & skf21("4","3","5","3","7","4","3","1") = "6"
    & skf21("4","3","5","3","7","4","4","1") = "6"
    & skf21("4","3","5","3","7","4","5","1") = "6"
    & skf21("4","3","5","3","7","4","6","1") = "6"
    & skf21("4","3","5","3","7","4","7","1") = "6"
    & skf21("4","3","5","3","7","5","1","1") = "6"
    & skf21("4","3","5","3","7","5","2","1") = "6"
    & skf21("4","3","5","3","7","5","3","1") = "6"
    & skf21("4","3","5","3","7","5","4","1") = "6"
    & skf21("4","3","5","3","7","5","5","1") = "6"
    & skf21("4","3","5","3","7","5","6","1") = "6"
    & skf21("4","3","5","3","7","5","7","1") = "6"
    & skf21("4","3","5","3","7","6","1","1") = "6"
    & skf21("4","3","5","3","7","6","2","1") = "6"
    & skf21("4","3","5","3","7","6","3","1") = "6"
    & skf21("4","3","5","3","7","6","4","1") = "6"
    & skf21("4","3","5","3","7","6","5","1") = "6"
    & skf21("4","3","5","3","7","6","6","1") = "6"
    & skf21("4","3","5","3","7","6","7","1") = "6"
    & skf21("4","3","5","3","7","7","1","1") = "6"
    & skf21("4","3","5","3","7","7","2","1") = "6"
    & skf21("4","3","5","3","7","7","3","1") = "6"
    & skf21("4","3","5","3","7","7","4","1") = "6"
    & skf21("4","3","5","3","7","7","5","1") = "6"
    & skf21("4","3","5","3","7","7","6","1") = "6"
    & skf21("4","3","5","3","7","7","7","1") = "6"
    & skf21("4","3","5","4","1","1","1","1") = "4"
    & skf21("4","3","5","4","1","1","2","1") = "4"
    & skf21("4","3","5","4","1","1","3","1") = "4"
    & skf21("4","3","5","4","1","1","4","1") = "4"
    & skf21("4","3","5","4","1","1","5","1") = "4"
    & skf21("4","3","5","4","1","1","6","1") = "5"
    & skf21("4","3","5","4","1","1","7","1") = "6"
    & skf21("4","3","5","4","1","2","1","1") = "4"
    & skf21("4","3","5","4","1","2","2","1") = "4"
    & skf21("4","3","5","4","1","2","3","1") = "4"
    & skf21("4","3","5","4","1","2","4","1") = "4"
    & skf21("4","3","5","4","1","2","5","1") = "4"
    & skf21("4","3","5","4","1","2","6","1") = "5"
    & skf21("4","3","5","4","1","2","7","1") = "6"
    & skf21("4","3","5","4","1","3","1","1") = "4"
    & skf21("4","3","5","4","1","3","2","1") = "4"
    & skf21("4","3","5","4","1","3","3","1") = "4"
    & skf21("4","3","5","4","1","3","4","1") = "4"
    & skf21("4","3","5","4","1","3","5","1") = "4"
    & skf21("4","3","5","4","1","3","6","1") = "5"
    & skf21("4","3","5","4","1","3","7","1") = "6"
    & skf21("4","3","5","4","1","4","1","1") = "4"
    & skf21("4","3","5","4","1","4","2","1") = "4"
    & skf21("4","3","5","4","1","4","3","1") = "4"
    & skf21("4","3","5","4","1","4","4","1") = "4"
    & skf21("4","3","5","4","1","4","5","1") = "4"
    & skf21("4","3","5","4","1","4","6","1") = "5"
    & skf21("4","3","5","4","1","4","7","1") = "6"
    & skf21("4","3","5","4","1","5","1","1") = "4"
    & skf21("4","3","5","4","1","5","2","1") = "4"
    & skf21("4","3","5","4","1","5","3","1") = "4"
    & skf21("4","3","5","4","1","5","4","1") = "4"
    & skf21("4","3","5","4","1","5","5","1") = "4"
    & skf21("4","3","5","4","1","5","6","1") = "5"
    & skf21("4","3","5","4","1","5","7","1") = "6"
    & skf21("4","3","5","4","1","6","1","1") = "5"
    & skf21("4","3","5","4","1","6","2","1") = "5"
    & skf21("4","3","5","4","1","6","3","1") = "5"
    & skf21("4","3","5","4","1","6","4","1") = "5"
    & skf21("4","3","5","4","1","6","5","1") = "5"
    & skf21("4","3","5","4","1","6","6","1") = "5"
    & skf21("4","3","5","4","1","6","7","1") = "6"
    & skf21("4","3","5","4","1","7","1","1") = "6"
    & skf21("4","3","5","4","1","7","2","1") = "6"
    & skf21("4","3","5","4","1","7","3","1") = "6"
    & skf21("4","3","5","4","1","7","4","1") = "6"
    & skf21("4","3","5","4","1","7","5","1") = "6"
    & skf21("4","3","5","4","1","7","6","1") = "6"
    & skf21("4","3","5","4","1","7","7","1") = "6"
    & skf21("4","3","5","4","2","1","1","1") = "4"
    & skf21("4","3","5","4","2","1","2","1") = "4"
    & skf21("4","3","5","4","2","1","3","1") = "4"
    & skf21("4","3","5","4","2","1","4","1") = "4"
    & skf21("4","3","5","4","2","1","5","1") = "4"
    & skf21("4","3","5","4","2","1","6","1") = "5"
    & skf21("4","3","5","4","2","1","7","1") = "6"
    & skf21("4","3","5","4","2","2","1","1") = "4"
    & skf21("4","3","5","4","2","2","2","1") = "4"
    & skf21("4","3","5","4","2","2","3","1") = "4"
    & skf21("4","3","5","4","2","2","4","1") = "4"
    & skf21("4","3","5","4","2","2","5","1") = "4"
    & skf21("4","3","5","4","2","2","6","1") = "5"
    & skf21("4","3","5","4","2","2","7","1") = "6"
    & skf21("4","3","5","4","2","3","1","1") = "4"
    & skf21("4","3","5","4","2","3","2","1") = "4"
    & skf21("4","3","5","4","2","3","3","1") = "4"
    & skf21("4","3","5","4","2","3","4","1") = "4"
    & skf21("4","3","5","4","2","3","5","1") = "4"
    & skf21("4","3","5","4","2","3","6","1") = "5"
    & skf21("4","3","5","4","2","3","7","1") = "6"
    & skf21("4","3","5","4","2","4","1","1") = "4"
    & skf21("4","3","5","4","2","4","2","1") = "4"
    & skf21("4","3","5","4","2","4","3","1") = "4"
    & skf21("4","3","5","4","2","4","4","1") = "4"
    & skf21("4","3","5","4","2","4","5","1") = "4"
    & skf21("4","3","5","4","2","4","6","1") = "5"
    & skf21("4","3","5","4","2","4","7","1") = "6"
    & skf21("4","3","5","4","2","5","1","1") = "4"
    & skf21("4","3","5","4","2","5","2","1") = "4"
    & skf21("4","3","5","4","2","5","3","1") = "4"
    & skf21("4","3","5","4","2","5","4","1") = "4"
    & skf21("4","3","5","4","2","5","5","1") = "4"
    & skf21("4","3","5","4","2","5","6","1") = "5"
    & skf21("4","3","5","4","2","5","7","1") = "6"
    & skf21("4","3","5","4","2","6","1","1") = "5"
    & skf21("4","3","5","4","2","6","2","1") = "5"
    & skf21("4","3","5","4","2","6","3","1") = "5"
    & skf21("4","3","5","4","2","6","4","1") = "5"
    & skf21("4","3","5","4","2","6","5","1") = "5"
    & skf21("4","3","5","4","2","6","6","1") = "5"
    & skf21("4","3","5","4","2","6","7","1") = "6"
    & skf21("4","3","5","4","2","7","1","1") = "6"
    & skf21("4","3","5","4","2","7","2","1") = "6"
    & skf21("4","3","5","4","2","7","3","1") = "6"
    & skf21("4","3","5","4","2","7","4","1") = "6"
    & skf21("4","3","5","4","2","7","5","1") = "6"
    & skf21("4","3","5","4","2","7","6","1") = "6"
    & skf21("4","3","5","4","2","7","7","1") = "6"
    & skf21("4","3","5","4","3","1","1","1") = "4"
    & skf21("4","3","5","4","3","1","2","1") = "4"
    & skf21("4","3","5","4","3","1","3","1") = "4"
    & skf21("4","3","5","4","3","1","4","1") = "4"
    & skf21("4","3","5","4","3","1","5","1") = "4"
    & skf21("4","3","5","4","3","1","6","1") = "5"
    & skf21("4","3","5","4","3","1","7","1") = "6"
    & skf21("4","3","5","4","3","2","1","1") = "4"
    & skf21("4","3","5","4","3","2","2","1") = "4"
    & skf21("4","3","5","4","3","2","3","1") = "4"
    & skf21("4","3","5","4","3","2","4","1") = "4"
    & skf21("4","3","5","4","3","2","5","1") = "4"
    & skf21("4","3","5","4","3","2","6","1") = "5"
    & skf21("4","3","5","4","3","2","7","1") = "6"
    & skf21("4","3","5","4","3","3","1","1") = "4"
    & skf21("4","3","5","4","3","3","2","1") = "4"
    & skf21("4","3","5","4","3","3","3","1") = "4"
    & skf21("4","3","5","4","3","3","4","1") = "4"
    & skf21("4","3","5","4","3","3","5","1") = "4"
    & skf21("4","3","5","4","3","3","6","1") = "5"
    & skf21("4","3","5","4","3","3","7","1") = "6"
    & skf21("4","3","5","4","3","4","1","1") = "4"
    & skf21("4","3","5","4","3","4","2","1") = "4"
    & skf21("4","3","5","4","3","4","3","1") = "4"
    & skf21("4","3","5","4","3","4","4","1") = "4"
    & skf21("4","3","5","4","3","4","5","1") = "4"
    & skf21("4","3","5","4","3","4","6","1") = "5"
    & skf21("4","3","5","4","3","4","7","1") = "6"
    & skf21("4","3","5","4","3","5","1","1") = "4"
    & skf21("4","3","5","4","3","5","2","1") = "4"
    & skf21("4","3","5","4","3","5","3","1") = "4"
    & skf21("4","3","5","4","3","5","4","1") = "4"
    & skf21("4","3","5","4","3","5","5","1") = "4"
    & skf21("4","3","5","4","3","5","6","1") = "5"
    & skf21("4","3","5","4","3","5","7","1") = "6"
    & skf21("4","3","5","4","3","6","1","1") = "5"
    & skf21("4","3","5","4","3","6","2","1") = "5"
    & skf21("4","3","5","4","3","6","3","1") = "5"
    & skf21("4","3","5","4","3","6","4","1") = "5"
    & skf21("4","3","5","4","3","6","5","1") = "5"
    & skf21("4","3","5","4","3","6","6","1") = "5"
    & skf21("4","3","5","4","3","6","7","1") = "6"
    & skf21("4","3","5","4","3","7","1","1") = "6"
    & skf21("4","3","5","4","3","7","2","1") = "6"
    & skf21("4","3","5","4","3","7","3","1") = "6"
    & skf21("4","3","5","4","3","7","4","1") = "6"
    & skf21("4","3","5","4","3","7","5","1") = "6"
    & skf21("4","3","5","4","3","7","6","1") = "6"
    & skf21("4","3","5","4","3","7","7","1") = "6"
    & skf21("4","3","5","4","4","1","1","1") = "4"
    & skf21("4","3","5","4","4","1","2","1") = "4"
    & skf21("4","3","5","4","4","1","3","1") = "4"
    & skf21("4","3","5","4","4","1","4","1") = "4"
    & skf21("4","3","5","4","4","1","5","1") = "4"
    & skf21("4","3","5","4","4","1","6","1") = "5"
    & skf21("4","3","5","4","4","1","7","1") = "6"
    & skf21("4","3","5","4","4","2","1","1") = "4"
    & skf21("4","3","5","4","4","2","2","1") = "4"
    & skf21("4","3","5","4","4","2","3","1") = "4"
    & skf21("4","3","5","4","4","2","4","1") = "4"
    & skf21("4","3","5","4","4","2","5","1") = "4"
    & skf21("4","3","5","4","4","2","6","1") = "5"
    & skf21("4","3","5","4","4","2","7","1") = "6"
    & skf21("4","3","5","4","4","3","1","1") = "4"
    & skf21("4","3","5","4","4","3","2","1") = "4"
    & skf21("4","3","5","4","4","3","3","1") = "4"
    & skf21("4","3","5","4","4","3","4","1") = "4"
    & skf21("4","3","5","4","4","3","5","1") = "4"
    & skf21("4","3","5","4","4","3","6","1") = "5"
    & skf21("4","3","5","4","4","3","7","1") = "6"
    & skf21("4","3","5","4","4","4","1","1") = "4"
    & skf21("4","3","5","4","4","4","2","1") = "4"
    & skf21("4","3","5","4","4","4","3","1") = "4"
    & skf21("4","3","5","4","4","4","4","1") = "4"
    & skf21("4","3","5","4","4","4","5","1") = "4"
    & skf21("4","3","5","4","4","4","6","1") = "5"
    & skf21("4","3","5","4","4","4","7","1") = "6"
    & skf21("4","3","5","4","4","5","1","1") = "4"
    & skf21("4","3","5","4","4","5","2","1") = "4"
    & skf21("4","3","5","4","4","5","3","1") = "4"
    & skf21("4","3","5","4","4","5","4","1") = "4"
    & skf21("4","3","5","4","4","5","5","1") = "4"
    & skf21("4","3","5","4","4","5","6","1") = "5"
    & skf21("4","3","5","4","4","5","7","1") = "6"
    & skf21("4","3","5","4","4","6","1","1") = "5"
    & skf21("4","3","5","4","4","6","2","1") = "5"
    & skf21("4","3","5","4","4","6","3","1") = "5"
    & skf21("4","3","5","4","4","6","4","1") = "5"
    & skf21("4","3","5","4","4","6","5","1") = "5"
    & skf21("4","3","5","4","4","6","6","1") = "5"
    & skf21("4","3","5","4","4","6","7","1") = "6"
    & skf21("4","3","5","4","4","7","1","1") = "6"
    & skf21("4","3","5","4","4","7","2","1") = "6"
    & skf21("4","3","5","4","4","7","3","1") = "6"
    & skf21("4","3","5","4","4","7","4","1") = "6"
    & skf21("4","3","5","4","4","7","5","1") = "6"
    & skf21("4","3","5","4","4","7","6","1") = "6"
    & skf21("4","3","5","4","4","7","7","1") = "6"
    & skf21("4","3","5","4","5","1","1","1") = "4"
    & skf21("4","3","5","4","5","1","2","1") = "4"
    & skf21("4","3","5","4","5","1","3","1") = "4"
    & skf21("4","3","5","4","5","1","4","1") = "4"
    & skf21("4","3","5","4","5","1","5","1") = "4"
    & skf21("4","3","5","4","5","1","6","1") = "5"
    & skf21("4","3","5","4","5","1","7","1") = "6"
    & skf21("4","3","5","4","5","2","1","1") = "4"
    & skf21("4","3","5","4","5","2","2","1") = "4"
    & skf21("4","3","5","4","5","2","3","1") = "4"
    & skf21("4","3","5","4","5","2","4","1") = "4"
    & skf21("4","3","5","4","5","2","5","1") = "4"
    & skf21("4","3","5","4","5","2","6","1") = "5"
    & skf21("4","3","5","4","5","2","7","1") = "6"
    & skf21("4","3","5","4","5","3","1","1") = "4"
    & skf21("4","3","5","4","5","3","2","1") = "4"
    & skf21("4","3","5","4","5","3","3","1") = "4"
    & skf21("4","3","5","4","5","3","4","1") = "4"
    & skf21("4","3","5","4","5","3","5","1") = "4"
    & skf21("4","3","5","4","5","3","6","1") = "5"
    & skf21("4","3","5","4","5","3","7","1") = "6"
    & skf21("4","3","5","4","5","4","1","1") = "4"
    & skf21("4","3","5","4","5","4","2","1") = "4"
    & skf21("4","3","5","4","5","4","3","1") = "4"
    & skf21("4","3","5","4","5","4","4","1") = "4"
    & skf21("4","3","5","4","5","4","5","1") = "4"
    & skf21("4","3","5","4","5","4","6","1") = "5"
    & skf21("4","3","5","4","5","4","7","1") = "6"
    & skf21("4","3","5","4","5","5","1","1") = "4"
    & skf21("4","3","5","4","5","5","2","1") = "4"
    & skf21("4","3","5","4","5","5","3","1") = "4"
    & skf21("4","3","5","4","5","5","4","1") = "4"
    & skf21("4","3","5","4","5","5","5","1") = "4"
    & skf21("4","3","5","4","5","5","6","1") = "5"
    & skf21("4","3","5","4","5","5","7","1") = "6"
    & skf21("4","3","5","4","5","6","1","1") = "5"
    & skf21("4","3","5","4","5","6","2","1") = "5"
    & skf21("4","3","5","4","5","6","3","1") = "5"
    & skf21("4","3","5","4","5","6","4","1") = "5"
    & skf21("4","3","5","4","5","6","5","1") = "5"
    & skf21("4","3","5","4","5","6","6","1") = "5"
    & skf21("4","3","5","4","5","6","7","1") = "6"
    & skf21("4","3","5","4","5","7","1","1") = "6"
    & skf21("4","3","5","4","5","7","2","1") = "6"
    & skf21("4","3","5","4","5","7","3","1") = "6"
    & skf21("4","3","5","4","5","7","4","1") = "6"
    & skf21("4","3","5","4","5","7","5","1") = "6"
    & skf21("4","3","5","4","5","7","6","1") = "6"
    & skf21("4","3","5","4","5","7","7","1") = "6"
    & skf21("4","3","5","4","6","1","1","1") = "5"
    & skf21("4","3","5","4","6","1","2","1") = "5"
    & skf21("4","3","5","4","6","1","3","1") = "5"
    & skf21("4","3","5","4","6","1","4","1") = "5"
    & skf21("4","3","5","4","6","1","5","1") = "5"
    & skf21("4","3","5","4","6","1","6","1") = "5"
    & skf21("4","3","5","4","6","1","7","1") = "6"
    & skf21("4","3","5","4","6","2","1","1") = "5"
    & skf21("4","3","5","4","6","2","2","1") = "5"
    & skf21("4","3","5","4","6","2","3","1") = "5"
    & skf21("4","3","5","4","6","2","4","1") = "5"
    & skf21("4","3","5","4","6","2","5","1") = "5"
    & skf21("4","3","5","4","6","2","6","1") = "5"
    & skf21("4","3","5","4","6","2","7","1") = "6"
    & skf21("4","3","5","4","6","3","1","1") = "5"
    & skf21("4","3","5","4","6","3","2","1") = "5"
    & skf21("4","3","5","4","6","3","3","1") = "5"
    & skf21("4","3","5","4","6","3","4","1") = "5"
    & skf21("4","3","5","4","6","3","5","1") = "5"
    & skf21("4","3","5","4","6","3","6","1") = "5"
    & skf21("4","3","5","4","6","3","7","1") = "6"
    & skf21("4","3","5","4","6","4","1","1") = "5"
    & skf21("4","3","5","4","6","4","2","1") = "5"
    & skf21("4","3","5","4","6","4","3","1") = "5"
    & skf21("4","3","5","4","6","4","4","1") = "5"
    & skf21("4","3","5","4","6","4","5","1") = "5"
    & skf21("4","3","5","4","6","4","6","1") = "5"
    & skf21("4","3","5","4","6","4","7","1") = "6"
    & skf21("4","3","5","4","6","5","1","1") = "5"
    & skf21("4","3","5","4","6","5","2","1") = "5"
    & skf21("4","3","5","4","6","5","3","1") = "5"
    & skf21("4","3","5","4","6","5","4","1") = "5"
    & skf21("4","3","5","4","6","5","5","1") = "5"
    & skf21("4","3","5","4","6","5","6","1") = "5"
    & skf21("4","3","5","4","6","5","7","1") = "6"
    & skf21("4","3","5","4","6","6","1","1") = "5"
    & skf21("4","3","5","4","6","6","2","1") = "5"
    & skf21("4","3","5","4","6","6","3","1") = "5"
    & skf21("4","3","5","4","6","6","4","1") = "5"
    & skf21("4","3","5","4","6","6","5","1") = "5"
    & skf21("4","3","5","4","6","6","6","1") = "5"
    & skf21("4","3","5","4","6","6","7","1") = "6"
    & skf21("4","3","5","4","6","7","1","1") = "6"
    & skf21("4","3","5","4","6","7","2","1") = "6"
    & skf21("4","3","5","4","6","7","3","1") = "6"
    & skf21("4","3","5","4","6","7","4","1") = "6"
    & skf21("4","3","5","4","6","7","5","1") = "6"
    & skf21("4","3","5","4","6","7","6","1") = "6"
    & skf21("4","3","5","4","6","7","7","1") = "6"
    & skf21("4","3","5","4","7","1","1","1") = "6"
    & skf21("4","3","5","4","7","1","2","1") = "6"
    & skf21("4","3","5","4","7","1","3","1") = "6"
    & skf21("4","3","5","4","7","1","4","1") = "6"
    & skf21("4","3","5","4","7","1","5","1") = "6"
    & skf21("4","3","5","4","7","1","6","1") = "6"
    & skf21("4","3","5","4","7","1","7","1") = "6"
    & skf21("4","3","5","4","7","2","1","1") = "6"
    & skf21("4","3","5","4","7","2","2","1") = "6"
    & skf21("4","3","5","4","7","2","3","1") = "6"
    & skf21("4","3","5","4","7","2","4","1") = "6"
    & skf21("4","3","5","4","7","2","5","1") = "6"
    & skf21("4","3","5","4","7","2","6","1") = "6"
    & skf21("4","3","5","4","7","2","7","1") = "6"
    & skf21("4","3","5","4","7","3","1","1") = "6"
    & skf21("4","3","5","4","7","3","2","1") = "6"
    & skf21("4","3","5","4","7","3","3","1") = "6"
    & skf21("4","3","5","4","7","3","4","1") = "6"
    & skf21("4","3","5","4","7","3","5","1") = "6"
    & skf21("4","3","5","4","7","3","6","1") = "6"
    & skf21("4","3","5","4","7","3","7","1") = "6"
    & skf21("4","3","5","4","7","4","1","1") = "6"
    & skf21("4","3","5","4","7","4","2","1") = "6"
    & skf21("4","3","5","4","7","4","3","1") = "6"
    & skf21("4","3","5","4","7","4","4","1") = "6"
    & skf21("4","3","5","4","7","4","5","1") = "6"
    & skf21("4","3","5","4","7","4","6","1") = "6"
    & skf21("4","3","5","4","7","4","7","1") = "6"
    & skf21("4","3","5","4","7","5","1","1") = "6"
    & skf21("4","3","5","4","7","5","2","1") = "6"
    & skf21("4","3","5","4","7","5","3","1") = "6"
    & skf21("4","3","5","4","7","5","4","1") = "6"
    & skf21("4","3","5","4","7","5","5","1") = "6"
    & skf21("4","3","5","4","7","5","6","1") = "6"
    & skf21("4","3","5","4","7","5","7","1") = "6"
    & skf21("4","3","5","4","7","6","1","1") = "6"
    & skf21("4","3","5","4","7","6","2","1") = "6"
    & skf21("4","3","5","4","7","6","3","1") = "6"
    & skf21("4","3","5","4","7","6","4","1") = "6"
    & skf21("4","3","5","4","7","6","5","1") = "6"
    & skf21("4","3","5","4","7","6","6","1") = "6"
    & skf21("4","3","5","4","7","6","7","1") = "6"
    & skf21("4","3","5","4","7","7","1","1") = "6"
    & skf21("4","3","5","4","7","7","2","1") = "6"
    & skf21("4","3","5","4","7","7","3","1") = "6"
    & skf21("4","3","5","4","7","7","4","1") = "6"
    & skf21("4","3","5","4","7","7","5","1") = "6"
    & skf21("4","3","5","4","7","7","6","1") = "6"
    & skf21("4","3","5","4","7","7","7","1") = "6"
    & skf21("4","3","5","5","1","1","1","1") = "4"
    & skf21("4","3","5","5","1","1","2","1") = "4"
    & skf21("4","3","5","5","1","1","3","1") = "4"
    & skf21("4","3","5","5","1","1","4","1") = "4"
    & skf21("4","3","5","5","1","1","5","1") = "4"
    & skf21("4","3","5","5","1","1","6","1") = "5"
    & skf21("4","3","5","5","1","1","7","1") = "6"
    & skf21("4","3","5","5","1","2","1","1") = "4"
    & skf21("4","3","5","5","1","2","2","1") = "4"
    & skf21("4","3","5","5","1","2","3","1") = "4"
    & skf21("4","3","5","5","1","2","4","1") = "4"
    & skf21("4","3","5","5","1","2","5","1") = "4"
    & skf21("4","3","5","5","1","2","6","1") = "5"
    & skf21("4","3","5","5","1","2","7","1") = "6"
    & skf21("4","3","5","5","1","3","1","1") = "4"
    & skf21("4","3","5","5","1","3","2","1") = "4"
    & skf21("4","3","5","5","1","3","3","1") = "4"
    & skf21("4","3","5","5","1","3","4","1") = "4"
    & skf21("4","3","5","5","1","3","5","1") = "4"
    & skf21("4","3","5","5","1","3","6","1") = "5"
    & skf21("4","3","5","5","1","3","7","1") = "6"
    & skf21("4","3","5","5","1","4","1","1") = "4"
    & skf21("4","3","5","5","1","4","2","1") = "4"
    & skf21("4","3","5","5","1","4","3","1") = "4"
    & skf21("4","3","5","5","1","4","4","1") = "4"
    & skf21("4","3","5","5","1","4","5","1") = "4"
    & skf21("4","3","5","5","1","4","6","1") = "5"
    & skf21("4","3","5","5","1","4","7","1") = "6"
    & skf21("4","3","5","5","1","5","1","1") = "4"
    & skf21("4","3","5","5","1","5","2","1") = "4"
    & skf21("4","3","5","5","1","5","3","1") = "4"
    & skf21("4","3","5","5","1","5","4","1") = "4"
    & skf21("4","3","5","5","1","5","5","1") = "4"
    & skf21("4","3","5","5","1","5","6","1") = "5"
    & skf21("4","3","5","5","1","5","7","1") = "6"
    & skf21("4","3","5","5","1","6","1","1") = "5"
    & skf21("4","3","5","5","1","6","2","1") = "5"
    & skf21("4","3","5","5","1","6","3","1") = "5"
    & skf21("4","3","5","5","1","6","4","1") = "5"
    & skf21("4","3","5","5","1","6","5","1") = "5"
    & skf21("4","3","5","5","1","6","6","1") = "5"
    & skf21("4","3","5","5","1","6","7","1") = "6"
    & skf21("4","3","5","5","1","7","1","1") = "6"
    & skf21("4","3","5","5","1","7","2","1") = "6"
    & skf21("4","3","5","5","1","7","3","1") = "6"
    & skf21("4","3","5","5","1","7","4","1") = "6"
    & skf21("4","3","5","5","1","7","5","1") = "6"
    & skf21("4","3","5","5","1","7","6","1") = "6"
    & skf21("4","3","5","5","1","7","7","1") = "6"
    & skf21("4","3","5","5","2","1","1","1") = "4"
    & skf21("4","3","5","5","2","1","2","1") = "4"
    & skf21("4","3","5","5","2","1","3","1") = "4"
    & skf21("4","3","5","5","2","1","4","1") = "4"
    & skf21("4","3","5","5","2","1","5","1") = "4"
    & skf21("4","3","5","5","2","1","6","1") = "5"
    & skf21("4","3","5","5","2","1","7","1") = "6"
    & skf21("4","3","5","5","2","2","1","1") = "4"
    & skf21("4","3","5","5","2","2","2","1") = "4"
    & skf21("4","3","5","5","2","2","3","1") = "4"
    & skf21("4","3","5","5","2","2","4","1") = "4"
    & skf21("4","3","5","5","2","2","5","1") = "4"
    & skf21("4","3","5","5","2","2","6","1") = "5"
    & skf21("4","3","5","5","2","2","7","1") = "6"
    & skf21("4","3","5","5","2","3","1","1") = "4"
    & skf21("4","3","5","5","2","3","2","1") = "4"
    & skf21("4","3","5","5","2","3","3","1") = "4"
    & skf21("4","3","5","5","2","3","4","1") = "4"
    & skf21("4","3","5","5","2","3","5","1") = "4"
    & skf21("4","3","5","5","2","3","6","1") = "5"
    & skf21("4","3","5","5","2","3","7","1") = "6"
    & skf21("4","3","5","5","2","4","1","1") = "4"
    & skf21("4","3","5","5","2","4","2","1") = "4"
    & skf21("4","3","5","5","2","4","3","1") = "4"
    & skf21("4","3","5","5","2","4","4","1") = "4"
    & skf21("4","3","5","5","2","4","5","1") = "4"
    & skf21("4","3","5","5","2","4","6","1") = "5"
    & skf21("4","3","5","5","2","4","7","1") = "6"
    & skf21("4","3","5","5","2","5","1","1") = "4"
    & skf21("4","3","5","5","2","5","2","1") = "4"
    & skf21("4","3","5","5","2","5","3","1") = "4"
    & skf21("4","3","5","5","2","5","4","1") = "4"
    & skf21("4","3","5","5","2","5","5","1") = "4"
    & skf21("4","3","5","5","2","5","6","1") = "5"
    & skf21("4","3","5","5","2","5","7","1") = "6"
    & skf21("4","3","5","5","2","6","1","1") = "5"
    & skf21("4","3","5","5","2","6","2","1") = "5"
    & skf21("4","3","5","5","2","6","3","1") = "5"
    & skf21("4","3","5","5","2","6","4","1") = "5"
    & skf21("4","3","5","5","2","6","5","1") = "5"
    & skf21("4","3","5","5","2","6","6","1") = "5"
    & skf21("4","3","5","5","2","6","7","1") = "6"
    & skf21("4","3","5","5","2","7","1","1") = "6"
    & skf21("4","3","5","5","2","7","2","1") = "6"
    & skf21("4","3","5","5","2","7","3","1") = "6"
    & skf21("4","3","5","5","2","7","4","1") = "6"
    & skf21("4","3","5","5","2","7","5","1") = "6"
    & skf21("4","3","5","5","2","7","6","1") = "6"
    & skf21("4","3","5","5","2","7","7","1") = "6"
    & skf21("4","3","5","5","3","1","1","1") = "4"
    & skf21("4","3","5","5","3","1","2","1") = "4"
    & skf21("4","3","5","5","3","1","3","1") = "4"
    & skf21("4","3","5","5","3","1","4","1") = "4"
    & skf21("4","3","5","5","3","1","5","1") = "4"
    & skf21("4","3","5","5","3","1","6","1") = "5"
    & skf21("4","3","5","5","3","1","7","1") = "6"
    & skf21("4","3","5","5","3","2","1","1") = "4"
    & skf21("4","3","5","5","3","2","2","1") = "4"
    & skf21("4","3","5","5","3","2","3","1") = "4"
    & skf21("4","3","5","5","3","2","4","1") = "4"
    & skf21("4","3","5","5","3","2","5","1") = "4"
    & skf21("4","3","5","5","3","2","6","1") = "5"
    & skf21("4","3","5","5","3","2","7","1") = "6"
    & skf21("4","3","5","5","3","3","1","1") = "4"
    & skf21("4","3","5","5","3","3","2","1") = "4"
    & skf21("4","3","5","5","3","3","3","1") = "4"
    & skf21("4","3","5","5","3","3","4","1") = "4"
    & skf21("4","3","5","5","3","3","5","1") = "4"
    & skf21("4","3","5","5","3","3","6","1") = "5"
    & skf21("4","3","5","5","3","3","7","1") = "6"
    & skf21("4","3","5","5","3","4","1","1") = "4"
    & skf21("4","3","5","5","3","4","2","1") = "4"
    & skf21("4","3","5","5","3","4","3","1") = "4"
    & skf21("4","3","5","5","3","4","4","1") = "4"
    & skf21("4","3","5","5","3","4","5","1") = "4"
    & skf21("4","3","5","5","3","4","6","1") = "5"
    & skf21("4","3","5","5","3","4","7","1") = "6"
    & skf21("4","3","5","5","3","5","1","1") = "4"
    & skf21("4","3","5","5","3","5","2","1") = "4"
    & skf21("4","3","5","5","3","5","3","1") = "4"
    & skf21("4","3","5","5","3","5","4","1") = "4"
    & skf21("4","3","5","5","3","5","5","1") = "4"
    & skf21("4","3","5","5","3","5","6","1") = "5"
    & skf21("4","3","5","5","3","5","7","1") = "6"
    & skf21("4","3","5","5","3","6","1","1") = "5"
    & skf21("4","3","5","5","3","6","2","1") = "5"
    & skf21("4","3","5","5","3","6","3","1") = "5"
    & skf21("4","3","5","5","3","6","4","1") = "5"
    & skf21("4","3","5","5","3","6","5","1") = "5"
    & skf21("4","3","5","5","3","6","6","1") = "5"
    & skf21("4","3","5","5","3","6","7","1") = "6"
    & skf21("4","3","5","5","3","7","1","1") = "6"
    & skf21("4","3","5","5","3","7","2","1") = "6"
    & skf21("4","3","5","5","3","7","3","1") = "6"
    & skf21("4","3","5","5","3","7","4","1") = "6"
    & skf21("4","3","5","5","3","7","5","1") = "6"
    & skf21("4","3","5","5","3","7","6","1") = "6"
    & skf21("4","3","5","5","3","7","7","1") = "6"
    & skf21("4","3","5","5","4","1","1","1") = "4"
    & skf21("4","3","5","5","4","1","2","1") = "4"
    & skf21("4","3","5","5","4","1","3","1") = "4"
    & skf21("4","3","5","5","4","1","4","1") = "4"
    & skf21("4","3","5","5","4","1","5","1") = "4"
    & skf21("4","3","5","5","4","1","6","1") = "5"
    & skf21("4","3","5","5","4","1","7","1") = "6"
    & skf21("4","3","5","5","4","2","1","1") = "4"
    & skf21("4","3","5","5","4","2","2","1") = "4"
    & skf21("4","3","5","5","4","2","3","1") = "4"
    & skf21("4","3","5","5","4","2","4","1") = "4"
    & skf21("4","3","5","5","4","2","5","1") = "4"
    & skf21("4","3","5","5","4","2","6","1") = "5"
    & skf21("4","3","5","5","4","2","7","1") = "6"
    & skf21("4","3","5","5","4","3","1","1") = "4"
    & skf21("4","3","5","5","4","3","2","1") = "4"
    & skf21("4","3","5","5","4","3","3","1") = "4"
    & skf21("4","3","5","5","4","3","4","1") = "4"
    & skf21("4","3","5","5","4","3","5","1") = "4"
    & skf21("4","3","5","5","4","3","6","1") = "5"
    & skf21("4","3","5","5","4","3","7","1") = "6"
    & skf21("4","3","5","5","4","4","1","1") = "4"
    & skf21("4","3","5","5","4","4","2","1") = "4"
    & skf21("4","3","5","5","4","4","3","1") = "4"
    & skf21("4","3","5","5","4","4","4","1") = "4"
    & skf21("4","3","5","5","4","4","5","1") = "4"
    & skf21("4","3","5","5","4","4","6","1") = "5"
    & skf21("4","3","5","5","4","4","7","1") = "6"
    & skf21("4","3","5","5","4","5","1","1") = "4"
    & skf21("4","3","5","5","4","5","2","1") = "4"
    & skf21("4","3","5","5","4","5","3","1") = "4"
    & skf21("4","3","5","5","4","5","4","1") = "4"
    & skf21("4","3","5","5","4","5","5","1") = "4"
    & skf21("4","3","5","5","4","5","6","1") = "5"
    & skf21("4","3","5","5","4","5","7","1") = "6"
    & skf21("4","3","5","5","4","6","1","1") = "5"
    & skf21("4","3","5","5","4","6","2","1") = "5"
    & skf21("4","3","5","5","4","6","3","1") = "5"
    & skf21("4","3","5","5","4","6","4","1") = "5"
    & skf21("4","3","5","5","4","6","5","1") = "5"
    & skf21("4","3","5","5","4","6","6","1") = "5"
    & skf21("4","3","5","5","4","6","7","1") = "6"
    & skf21("4","3","5","5","4","7","1","1") = "6"
    & skf21("4","3","5","5","4","7","2","1") = "6"
    & skf21("4","3","5","5","4","7","3","1") = "6"
    & skf21("4","3","5","5","4","7","4","1") = "6"
    & skf21("4","3","5","5","4","7","5","1") = "6"
    & skf21("4","3","5","5","4","7","6","1") = "6"
    & skf21("4","3","5","5","4","7","7","1") = "6"
    & skf21("4","3","5","5","5","1","1","1") = "4"
    & skf21("4","3","5","5","5","1","2","1") = "4"
    & skf21("4","3","5","5","5","1","3","1") = "4"
    & skf21("4","3","5","5","5","1","4","1") = "4"
    & skf21("4","3","5","5","5","1","5","1") = "4"
    & skf21("4","3","5","5","5","1","6","1") = "5"
    & skf21("4","3","5","5","5","1","7","1") = "6"
    & skf21("4","3","5","5","5","2","1","1") = "4"
    & skf21("4","3","5","5","5","2","2","1") = "4"
    & skf21("4","3","5","5","5","2","3","1") = "4"
    & skf21("4","3","5","5","5","2","4","1") = "4"
    & skf21("4","3","5","5","5","2","5","1") = "4"
    & skf21("4","3","5","5","5","2","6","1") = "5"
    & skf21("4","3","5","5","5","2","7","1") = "6"
    & skf21("4","3","5","5","5","3","1","1") = "4"
    & skf21("4","3","5","5","5","3","2","1") = "4"
    & skf21("4","3","5","5","5","3","3","1") = "4"
    & skf21("4","3","5","5","5","3","4","1") = "4"
    & skf21("4","3","5","5","5","3","5","1") = "4"
    & skf21("4","3","5","5","5","3","6","1") = "5"
    & skf21("4","3","5","5","5","3","7","1") = "6"
    & skf21("4","3","5","5","5","4","1","1") = "4"
    & skf21("4","3","5","5","5","4","2","1") = "4"
    & skf21("4","3","5","5","5","4","3","1") = "4"
    & skf21("4","3","5","5","5","4","4","1") = "4"
    & skf21("4","3","5","5","5","4","5","1") = "4"
    & skf21("4","3","5","5","5","4","6","1") = "5"
    & skf21("4","3","5","5","5","4","7","1") = "6"
    & skf21("4","3","5","5","5","5","1","1") = "4"
    & skf21("4","3","5","5","5","5","2","1") = "4"
    & skf21("4","3","5","5","5","5","3","1") = "4"
    & skf21("4","3","5","5","5","5","4","1") = "4"
    & skf21("4","3","5","5","5","5","5","1") = "4"
    & skf21("4","3","5","5","5","5","6","1") = "5"
    & skf21("4","3","5","5","5","5","7","1") = "6"
    & skf21("4","3","5","5","5","6","1","1") = "5"
    & skf21("4","3","5","5","5","6","2","1") = "5"
    & skf21("4","3","5","5","5","6","3","1") = "5"
    & skf21("4","3","5","5","5","6","4","1") = "5"
    & skf21("4","3","5","5","5","6","5","1") = "5"
    & skf21("4","3","5","5","5","6","6","1") = "5"
    & skf21("4","3","5","5","5","6","7","1") = "6"
    & skf21("4","3","5","5","5","7","1","1") = "6"
    & skf21("4","3","5","5","5","7","2","1") = "6"
    & skf21("4","3","5","5","5","7","3","1") = "6"
    & skf21("4","3","5","5","5","7","4","1") = "6"
    & skf21("4","3","5","5","5","7","5","1") = "6"
    & skf21("4","3","5","5","5","7","6","1") = "6"
    & skf21("4","3","5","5","5","7","7","1") = "6"
    & skf21("4","3","5","5","6","1","1","1") = "5"
    & skf21("4","3","5","5","6","1","2","1") = "5"
    & skf21("4","3","5","5","6","1","3","1") = "5"
    & skf21("4","3","5","5","6","1","4","1") = "5"
    & skf21("4","3","5","5","6","1","5","1") = "5"
    & skf21("4","3","5","5","6","1","6","1") = "5"
    & skf21("4","3","5","5","6","1","7","1") = "6"
    & skf21("4","3","5","5","6","2","1","1") = "5"
    & skf21("4","3","5","5","6","2","2","1") = "5"
    & skf21("4","3","5","5","6","2","3","1") = "5"
    & skf21("4","3","5","5","6","2","4","1") = "5"
    & skf21("4","3","5","5","6","2","5","1") = "5"
    & skf21("4","3","5","5","6","2","6","1") = "5"
    & skf21("4","3","5","5","6","2","7","1") = "6"
    & skf21("4","3","5","5","6","3","1","1") = "5"
    & skf21("4","3","5","5","6","3","2","1") = "5"
    & skf21("4","3","5","5","6","3","3","1") = "5"
    & skf21("4","3","5","5","6","3","4","1") = "5"
    & skf21("4","3","5","5","6","3","5","1") = "5"
    & skf21("4","3","5","5","6","3","6","1") = "5"
    & skf21("4","3","5","5","6","3","7","1") = "6"
    & skf21("4","3","5","5","6","4","1","1") = "5"
    & skf21("4","3","5","5","6","4","2","1") = "5"
    & skf21("4","3","5","5","6","4","3","1") = "5"
    & skf21("4","3","5","5","6","4","4","1") = "5"
    & skf21("4","3","5","5","6","4","5","1") = "5"
    & skf21("4","3","5","5","6","4","6","1") = "5"
    & skf21("4","3","5","5","6","4","7","1") = "6"
    & skf21("4","3","5","5","6","5","1","1") = "5"
    & skf21("4","3","5","5","6","5","2","1") = "5"
    & skf21("4","3","5","5","6","5","3","1") = "5"
    & skf21("4","3","5","5","6","5","4","1") = "5"
    & skf21("4","3","5","5","6","5","5","1") = "5"
    & skf21("4","3","5","5","6","5","6","1") = "5"
    & skf21("4","3","5","5","6","5","7","1") = "6"
    & skf21("4","3","5","5","6","6","1","1") = "5"
    & skf21("4","3","5","5","6","6","2","1") = "5"
    & skf21("4","3","5","5","6","6","3","1") = "5"
    & skf21("4","3","5","5","6","6","4","1") = "5"
    & skf21("4","3","5","5","6","6","5","1") = "5"
    & skf21("4","3","5","5","6","6","6","1") = "5"
    & skf21("4","3","5","5","6","6","7","1") = "6"
    & skf21("4","3","5","5","6","7","1","1") = "6"
    & skf21("4","3","5","5","6","7","2","1") = "6"
    & skf21("4","3","5","5","6","7","3","1") = "6"
    & skf21("4","3","5","5","6","7","4","1") = "6"
    & skf21("4","3","5","5","6","7","5","1") = "6"
    & skf21("4","3","5","5","6","7","6","1") = "6"
    & skf21("4","3","5","5","6","7","7","1") = "6"
    & skf21("4","3","5","5","7","1","1","1") = "6"
    & skf21("4","3","5","5","7","1","2","1") = "6"
    & skf21("4","3","5","5","7","1","3","1") = "6"
    & skf21("4","3","5","5","7","1","4","1") = "6"
    & skf21("4","3","5","5","7","1","5","1") = "6"
    & skf21("4","3","5","5","7","1","6","1") = "6"
    & skf21("4","3","5","5","7","1","7","1") = "6"
    & skf21("4","3","5","5","7","2","1","1") = "6"
    & skf21("4","3","5","5","7","2","2","1") = "6"
    & skf21("4","3","5","5","7","2","3","1") = "6"
    & skf21("4","3","5","5","7","2","4","1") = "6"
    & skf21("4","3","5","5","7","2","5","1") = "6"
    & skf21("4","3","5","5","7","2","6","1") = "6"
    & skf21("4","3","5","5","7","2","7","1") = "6"
    & skf21("4","3","5","5","7","3","1","1") = "6"
    & skf21("4","3","5","5","7","3","2","1") = "6"
    & skf21("4","3","5","5","7","3","3","1") = "6"
    & skf21("4","3","5","5","7","3","4","1") = "6"
    & skf21("4","3","5","5","7","3","5","1") = "6"
    & skf21("4","3","5","5","7","3","6","1") = "6"
    & skf21("4","3","5","5","7","3","7","1") = "6"
    & skf21("4","3","5","5","7","4","1","1") = "6"
    & skf21("4","3","5","5","7","4","2","1") = "6"
    & skf21("4","3","5","5","7","4","3","1") = "6"
    & skf21("4","3","5","5","7","4","4","1") = "6"
    & skf21("4","3","5","5","7","4","5","1") = "6"
    & skf21("4","3","5","5","7","4","6","1") = "6"
    & skf21("4","3","5","5","7","4","7","1") = "6"
    & skf21("4","3","5","5","7","5","1","1") = "6"
    & skf21("4","3","5","5","7","5","2","1") = "6"
    & skf21("4","3","5","5","7","5","3","1") = "6"
    & skf21("4","3","5","5","7","5","4","1") = "6"
    & skf21("4","3","5","5","7","5","5","1") = "6"
    & skf21("4","3","5","5","7","5","6","1") = "6"
    & skf21("4","3","5","5","7","5","7","1") = "6"
    & skf21("4","3","5","5","7","6","1","1") = "6"
    & skf21("4","3","5","5","7","6","2","1") = "6"
    & skf21("4","3","5","5","7","6","3","1") = "6"
    & skf21("4","3","5","5","7","6","4","1") = "6"
    & skf21("4","3","5","5","7","6","5","1") = "6"
    & skf21("4","3","5","5","7","6","6","1") = "6"
    & skf21("4","3","5","5","7","6","7","1") = "6"
    & skf21("4","3","5","5","7","7","1","1") = "6"
    & skf21("4","3","5","5","7","7","2","1") = "6"
    & skf21("4","3","5","5","7","7","3","1") = "6"
    & skf21("4","3","5","5","7","7","4","1") = "6"
    & skf21("4","3","5","5","7","7","5","1") = "6"
    & skf21("4","3","5","5","7","7","6","1") = "6"
    & skf21("4","3","5","5","7","7","7","1") = "6"
    & skf21("4","3","5","6","1","1","1","1") = "5"
    & skf21("4","3","5","6","1","1","2","1") = "5"
    & skf21("4","3","5","6","1","1","3","1") = "5"
    & skf21("4","3","5","6","1","1","4","1") = "5"
    & skf21("4","3","5","6","1","1","5","1") = "5"
    & skf21("4","3","5","6","1","1","6","1") = "5"
    & skf21("4","3","5","6","1","1","7","1") = "6"
    & skf21("4","3","5","6","1","2","1","1") = "5"
    & skf21("4","3","5","6","1","2","2","1") = "5"
    & skf21("4","3","5","6","1","2","3","1") = "5"
    & skf21("4","3","5","6","1","2","4","1") = "5"
    & skf21("4","3","5","6","1","2","5","1") = "5"
    & skf21("4","3","5","6","1","2","6","1") = "5"
    & skf21("4","3","5","6","1","2","7","1") = "6"
    & skf21("4","3","5","6","1","3","1","1") = "5"
    & skf21("4","3","5","6","1","3","2","1") = "5"
    & skf21("4","3","5","6","1","3","3","1") = "5"
    & skf21("4","3","5","6","1","3","4","1") = "5"
    & skf21("4","3","5","6","1","3","5","1") = "5"
    & skf21("4","3","5","6","1","3","6","1") = "5"
    & skf21("4","3","5","6","1","3","7","1") = "6"
    & skf21("4","3","5","6","1","4","1","1") = "5"
    & skf21("4","3","5","6","1","4","2","1") = "5"
    & skf21("4","3","5","6","1","4","3","1") = "5"
    & skf21("4","3","5","6","1","4","4","1") = "5"
    & skf21("4","3","5","6","1","4","5","1") = "5"
    & skf21("4","3","5","6","1","4","6","1") = "5"
    & skf21("4","3","5","6","1","4","7","1") = "6"
    & skf21("4","3","5","6","1","5","1","1") = "5"
    & skf21("4","3","5","6","1","5","2","1") = "5"
    & skf21("4","3","5","6","1","5","3","1") = "5"
    & skf21("4","3","5","6","1","5","4","1") = "5"
    & skf21("4","3","5","6","1","5","5","1") = "5"
    & skf21("4","3","5","6","1","5","6","1") = "5"
    & skf21("4","3","5","6","1","5","7","1") = "6"
    & skf21("4","3","5","6","1","6","1","1") = "5"
    & skf21("4","3","5","6","1","6","2","1") = "5"
    & skf21("4","3","5","6","1","6","3","1") = "5"
    & skf21("4","3","5","6","1","6","4","1") = "5"
    & skf21("4","3","5","6","1","6","5","1") = "5"
    & skf21("4","3","5","6","1","6","6","1") = "5"
    & skf21("4","3","5","6","1","6","7","1") = "6"
    & skf21("4","3","5","6","1","7","1","1") = "6"
    & skf21("4","3","5","6","1","7","2","1") = "6"
    & skf21("4","3","5","6","1","7","3","1") = "6"
    & skf21("4","3","5","6","1","7","4","1") = "6"
    & skf21("4","3","5","6","1","7","5","1") = "6"
    & skf21("4","3","5","6","1","7","6","1") = "6"
    & skf21("4","3","5","6","1","7","7","1") = "6"
    & skf21("4","3","5","6","2","1","1","1") = "5"
    & skf21("4","3","5","6","2","1","2","1") = "5"
    & skf21("4","3","5","6","2","1","3","1") = "5"
    & skf21("4","3","5","6","2","1","4","1") = "5"
    & skf21("4","3","5","6","2","1","5","1") = "5"
    & skf21("4","3","5","6","2","1","6","1") = "5"
    & skf21("4","3","5","6","2","1","7","1") = "6"
    & skf21("4","3","5","6","2","2","1","1") = "5"
    & skf21("4","3","5","6","2","2","2","1") = "5"
    & skf21("4","3","5","6","2","2","3","1") = "5"
    & skf21("4","3","5","6","2","2","4","1") = "5"
    & skf21("4","3","5","6","2","2","5","1") = "5"
    & skf21("4","3","5","6","2","2","6","1") = "5"
    & skf21("4","3","5","6","2","2","7","1") = "6"
    & skf21("4","3","5","6","2","3","1","1") = "5"
    & skf21("4","3","5","6","2","3","2","1") = "5"
    & skf21("4","3","5","6","2","3","3","1") = "5"
    & skf21("4","3","5","6","2","3","4","1") = "5"
    & skf21("4","3","5","6","2","3","5","1") = "5"
    & skf21("4","3","5","6","2","3","6","1") = "5"
    & skf21("4","3","5","6","2","3","7","1") = "6"
    & skf21("4","3","5","6","2","4","1","1") = "5"
    & skf21("4","3","5","6","2","4","2","1") = "5"
    & skf21("4","3","5","6","2","4","3","1") = "5"
    & skf21("4","3","5","6","2","4","4","1") = "5"
    & skf21("4","3","5","6","2","4","5","1") = "5"
    & skf21("4","3","5","6","2","4","6","1") = "5"
    & skf21("4","3","5","6","2","4","7","1") = "6"
    & skf21("4","3","5","6","2","5","1","1") = "5"
    & skf21("4","3","5","6","2","5","2","1") = "5"
    & skf21("4","3","5","6","2","5","3","1") = "5"
    & skf21("4","3","5","6","2","5","4","1") = "5"
    & skf21("4","3","5","6","2","5","5","1") = "5"
    & skf21("4","3","5","6","2","5","6","1") = "5"
    & skf21("4","3","5","6","2","5","7","1") = "6"
    & skf21("4","3","5","6","2","6","1","1") = "5"
    & skf21("4","3","5","6","2","6","2","1") = "5"
    & skf21("4","3","5","6","2","6","3","1") = "5"
    & skf21("4","3","5","6","2","6","4","1") = "5"
    & skf21("4","3","5","6","2","6","5","1") = "5"
    & skf21("4","3","5","6","2","6","6","1") = "5"
    & skf21("4","3","5","6","2","6","7","1") = "6"
    & skf21("4","3","5","6","2","7","1","1") = "6"
    & skf21("4","3","5","6","2","7","2","1") = "6"
    & skf21("4","3","5","6","2","7","3","1") = "6"
    & skf21("4","3","5","6","2","7","4","1") = "6"
    & skf21("4","3","5","6","2","7","5","1") = "6"
    & skf21("4","3","5","6","2","7","6","1") = "6"
    & skf21("4","3","5","6","2","7","7","1") = "6"
    & skf21("4","3","5","6","3","1","1","1") = "5"
    & skf21("4","3","5","6","3","1","2","1") = "5"
    & skf21("4","3","5","6","3","1","3","1") = "5"
    & skf21("4","3","5","6","3","1","4","1") = "5"
    & skf21("4","3","5","6","3","1","5","1") = "5"
    & skf21("4","3","5","6","3","1","6","1") = "5"
    & skf21("4","3","5","6","3","1","7","1") = "6"
    & skf21("4","3","5","6","3","2","1","1") = "5"
    & skf21("4","3","5","6","3","2","2","1") = "5"
    & skf21("4","3","5","6","3","2","3","1") = "5"
    & skf21("4","3","5","6","3","2","4","1") = "5"
    & skf21("4","3","5","6","3","2","5","1") = "5"
    & skf21("4","3","5","6","3","2","6","1") = "5"
    & skf21("4","3","5","6","3","2","7","1") = "6"
    & skf21("4","3","5","6","3","3","1","1") = "5"
    & skf21("4","3","5","6","3","3","2","1") = "5"
    & skf21("4","3","5","6","3","3","3","1") = "5"
    & skf21("4","3","5","6","3","3","4","1") = "5"
    & skf21("4","3","5","6","3","3","5","1") = "5"
    & skf21("4","3","5","6","3","3","6","1") = "5"
    & skf21("4","3","5","6","3","3","7","1") = "6"
    & skf21("4","3","5","6","3","4","1","1") = "5"
    & skf21("4","3","5","6","3","4","2","1") = "5"
    & skf21("4","3","5","6","3","4","3","1") = "5"
    & skf21("4","3","5","6","3","4","4","1") = "5"
    & skf21("4","3","5","6","3","4","5","1") = "5"
    & skf21("4","3","5","6","3","4","6","1") = "5"
    & skf21("4","3","5","6","3","4","7","1") = "6"
    & skf21("4","3","5","6","3","5","1","1") = "5"
    & skf21("4","3","5","6","3","5","2","1") = "5"
    & skf21("4","3","5","6","3","5","3","1") = "5"
    & skf21("4","3","5","6","3","5","4","1") = "5"
    & skf21("4","3","5","6","3","5","5","1") = "5"
    & skf21("4","3","5","6","3","5","6","1") = "5"
    & skf21("4","3","5","6","3","5","7","1") = "6"
    & skf21("4","3","5","6","3","6","1","1") = "5"
    & skf21("4","3","5","6","3","6","2","1") = "5"
    & skf21("4","3","5","6","3","6","3","1") = "5"
    & skf21("4","3","5","6","3","6","4","1") = "5"
    & skf21("4","3","5","6","3","6","5","1") = "5"
    & skf21("4","3","5","6","3","6","6","1") = "5"
    & skf21("4","3","5","6","3","6","7","1") = "6"
    & skf21("4","3","5","6","3","7","1","1") = "6"
    & skf21("4","3","5","6","3","7","2","1") = "6"
    & skf21("4","3","5","6","3","7","3","1") = "6"
    & skf21("4","3","5","6","3","7","4","1") = "6"
    & skf21("4","3","5","6","3","7","5","1") = "6"
    & skf21("4","3","5","6","3","7","6","1") = "6"
    & skf21("4","3","5","6","3","7","7","1") = "6"
    & skf21("4","3","5","6","4","1","1","1") = "5"
    & skf21("4","3","5","6","4","1","2","1") = "5"
    & skf21("4","3","5","6","4","1","3","1") = "5"
    & skf21("4","3","5","6","4","1","4","1") = "5"
    & skf21("4","3","5","6","4","1","5","1") = "5"
    & skf21("4","3","5","6","4","1","6","1") = "5"
    & skf21("4","3","5","6","4","1","7","1") = "6"
    & skf21("4","3","5","6","4","2","1","1") = "5"
    & skf21("4","3","5","6","4","2","2","1") = "5"
    & skf21("4","3","5","6","4","2","3","1") = "5"
    & skf21("4","3","5","6","4","2","4","1") = "5"
    & skf21("4","3","5","6","4","2","5","1") = "5"
    & skf21("4","3","5","6","4","2","6","1") = "5"
    & skf21("4","3","5","6","4","2","7","1") = "6"
    & skf21("4","3","5","6","4","3","1","1") = "5"
    & skf21("4","3","5","6","4","3","2","1") = "5"
    & skf21("4","3","5","6","4","3","3","1") = "5"
    & skf21("4","3","5","6","4","3","4","1") = "5"
    & skf21("4","3","5","6","4","3","5","1") = "5"
    & skf21("4","3","5","6","4","3","6","1") = "5"
    & skf21("4","3","5","6","4","3","7","1") = "6"
    & skf21("4","3","5","6","4","4","1","1") = "5"
    & skf21("4","3","5","6","4","4","2","1") = "5"
    & skf21("4","3","5","6","4","4","3","1") = "5"
    & skf21("4","3","5","6","4","4","4","1") = "5"
    & skf21("4","3","5","6","4","4","5","1") = "5"
    & skf21("4","3","5","6","4","4","6","1") = "5"
    & skf21("4","3","5","6","4","4","7","1") = "6"
    & skf21("4","3","5","6","4","5","1","1") = "5"
    & skf21("4","3","5","6","4","5","2","1") = "5"
    & skf21("4","3","5","6","4","5","3","1") = "5"
    & skf21("4","3","5","6","4","5","4","1") = "5"
    & skf21("4","3","5","6","4","5","5","1") = "5"
    & skf21("4","3","5","6","4","5","6","1") = "5"
    & skf21("4","3","5","6","4","5","7","1") = "6"
    & skf21("4","3","5","6","4","6","1","1") = "5"
    & skf21("4","3","5","6","4","6","2","1") = "5"
    & skf21("4","3","5","6","4","6","3","1") = "5"
    & skf21("4","3","5","6","4","6","4","1") = "5"
    & skf21("4","3","5","6","4","6","5","1") = "5"
    & skf21("4","3","5","6","4","6","6","1") = "5"
    & skf21("4","3","5","6","4","6","7","1") = "6"
    & skf21("4","3","5","6","4","7","1","1") = "6"
    & skf21("4","3","5","6","4","7","2","1") = "6"
    & skf21("4","3","5","6","4","7","3","1") = "6"
    & skf21("4","3","5","6","4","7","4","1") = "6"
    & skf21("4","3","5","6","4","7","5","1") = "6"
    & skf21("4","3","5","6","4","7","6","1") = "6"
    & skf21("4","3","5","6","4","7","7","1") = "6"
    & skf21("4","3","5","6","5","1","1","1") = "5"
    & skf21("4","3","5","6","5","1","2","1") = "5"
    & skf21("4","3","5","6","5","1","3","1") = "5"
    & skf21("4","3","5","6","5","1","4","1") = "5"
    & skf21("4","3","5","6","5","1","5","1") = "5"
    & skf21("4","3","5","6","5","1","6","1") = "5"
    & skf21("4","3","5","6","5","1","7","1") = "6"
    & skf21("4","3","5","6","5","2","1","1") = "5"
    & skf21("4","3","5","6","5","2","2","1") = "5"
    & skf21("4","3","5","6","5","2","3","1") = "5"
    & skf21("4","3","5","6","5","2","4","1") = "5"
    & skf21("4","3","5","6","5","2","5","1") = "5"
    & skf21("4","3","5","6","5","2","6","1") = "5"
    & skf21("4","3","5","6","5","2","7","1") = "6"
    & skf21("4","3","5","6","5","3","1","1") = "5"
    & skf21("4","3","5","6","5","3","2","1") = "5"
    & skf21("4","3","5","6","5","3","3","1") = "5"
    & skf21("4","3","5","6","5","3","4","1") = "5"
    & skf21("4","3","5","6","5","3","5","1") = "5"
    & skf21("4","3","5","6","5","3","6","1") = "5"
    & skf21("4","3","5","6","5","3","7","1") = "6"
    & skf21("4","3","5","6","5","4","1","1") = "5"
    & skf21("4","3","5","6","5","4","2","1") = "5"
    & skf21("4","3","5","6","5","4","3","1") = "5"
    & skf21("4","3","5","6","5","4","4","1") = "5"
    & skf21("4","3","5","6","5","4","5","1") = "5"
    & skf21("4","3","5","6","5","4","6","1") = "5"
    & skf21("4","3","5","6","5","4","7","1") = "6"
    & skf21("4","3","5","6","5","5","1","1") = "5"
    & skf21("4","3","5","6","5","5","2","1") = "5"
    & skf21("4","3","5","6","5","5","3","1") = "5"
    & skf21("4","3","5","6","5","5","4","1") = "5"
    & skf21("4","3","5","6","5","5","5","1") = "5"
    & skf21("4","3","5","6","5","5","6","1") = "5"
    & skf21("4","3","5","6","5","5","7","1") = "6"
    & skf21("4","3","5","6","5","6","1","1") = "5"
    & skf21("4","3","5","6","5","6","2","1") = "5"
    & skf21("4","3","5","6","5","6","3","1") = "5"
    & skf21("4","3","5","6","5","6","4","1") = "5"
    & skf21("4","3","5","6","5","6","5","1") = "5"
    & skf21("4","3","5","6","5","6","6","1") = "5"
    & skf21("4","3","5","6","5","6","7","1") = "6"
    & skf21("4","3","5","6","5","7","1","1") = "6"
    & skf21("4","3","5","6","5","7","2","1") = "6"
    & skf21("4","3","5","6","5","7","3","1") = "6"
    & skf21("4","3","5","6","5","7","4","1") = "6"
    & skf21("4","3","5","6","5","7","5","1") = "6"
    & skf21("4","3","5","6","5","7","6","1") = "6"
    & skf21("4","3","5","6","5","7","7","1") = "6"
    & skf21("4","3","5","6","6","1","1","1") = "5"
    & skf21("4","3","5","6","6","1","2","1") = "5"
    & skf21("4","3","5","6","6","1","3","1") = "5"
    & skf21("4","3","5","6","6","1","4","1") = "5"
    & skf21("4","3","5","6","6","1","5","1") = "5"
    & skf21("4","3","5","6","6","1","6","1") = "5"
    & skf21("4","3","5","6","6","1","7","1") = "6"
    & skf21("4","3","5","6","6","2","1","1") = "5"
    & skf21("4","3","5","6","6","2","2","1") = "5"
    & skf21("4","3","5","6","6","2","3","1") = "5"
    & skf21("4","3","5","6","6","2","4","1") = "5"
    & skf21("4","3","5","6","6","2","5","1") = "5"
    & skf21("4","3","5","6","6","2","6","1") = "5"
    & skf21("4","3","5","6","6","2","7","1") = "6"
    & skf21("4","3","5","6","6","3","1","1") = "5"
    & skf21("4","3","5","6","6","3","2","1") = "5"
    & skf21("4","3","5","6","6","3","3","1") = "5"
    & skf21("4","3","5","6","6","3","4","1") = "5"
    & skf21("4","3","5","6","6","3","5","1") = "5"
    & skf21("4","3","5","6","6","3","6","1") = "5"
    & skf21("4","3","5","6","6","3","7","1") = "6"
    & skf21("4","3","5","6","6","4","1","1") = "5"
    & skf21("4","3","5","6","6","4","2","1") = "5"
    & skf21("4","3","5","6","6","4","3","1") = "5"
    & skf21("4","3","5","6","6","4","4","1") = "5"
    & skf21("4","3","5","6","6","4","5","1") = "5"
    & skf21("4","3","5","6","6","4","6","1") = "5"
    & skf21("4","3","5","6","6","4","7","1") = "6"
    & skf21("4","3","5","6","6","5","1","1") = "5"
    & skf21("4","3","5","6","6","5","2","1") = "5"
    & skf21("4","3","5","6","6","5","3","1") = "5"
    & skf21("4","3","5","6","6","5","4","1") = "5"
    & skf21("4","3","5","6","6","5","5","1") = "5"
    & skf21("4","3","5","6","6","5","6","1") = "5"
    & skf21("4","3","5","6","6","5","7","1") = "6"
    & skf21("4","3","5","6","6","6","1","1") = "5"
    & skf21("4","3","5","6","6","6","2","1") = "5"
    & skf21("4","3","5","6","6","6","3","1") = "5"
    & skf21("4","3","5","6","6","6","4","1") = "5"
    & skf21("4","3","5","6","6","6","5","1") = "5"
    & skf21("4","3","5","6","6","6","6","1") = "5"
    & skf21("4","3","5","6","6","6","7","1") = "6"
    & skf21("4","3","5","6","6","7","1","1") = "6"
    & skf21("4","3","5","6","6","7","2","1") = "6"
    & skf21("4","3","5","6","6","7","3","1") = "6"
    & skf21("4","3","5","6","6","7","4","1") = "6"
    & skf21("4","3","5","6","6","7","5","1") = "6"
    & skf21("4","3","5","6","6","7","6","1") = "6"
    & skf21("4","3","5","6","6","7","7","1") = "6"
    & skf21("4","3","5","6","7","1","1","1") = "6"
    & skf21("4","3","5","6","7","1","2","1") = "6"
    & skf21("4","3","5","6","7","1","3","1") = "6"
    & skf21("4","3","5","6","7","1","4","1") = "6"
    & skf21("4","3","5","6","7","1","5","1") = "6"
    & skf21("4","3","5","6","7","1","6","1") = "6"
    & skf21("4","3","5","6","7","1","7","1") = "6"
    & skf21("4","3","5","6","7","2","1","1") = "6"
    & skf21("4","3","5","6","7","2","2","1") = "6"
    & skf21("4","3","5","6","7","2","3","1") = "6"
    & skf21("4","3","5","6","7","2","4","1") = "6"
    & skf21("4","3","5","6","7","2","5","1") = "6"
    & skf21("4","3","5","6","7","2","6","1") = "6"
    & skf21("4","3","5","6","7","2","7","1") = "6"
    & skf21("4","3","5","6","7","3","1","1") = "6"
    & skf21("4","3","5","6","7","3","2","1") = "6"
    & skf21("4","3","5","6","7","3","3","1") = "6"
    & skf21("4","3","5","6","7","3","4","1") = "6"
    & skf21("4","3","5","6","7","3","5","1") = "6"
    & skf21("4","3","5","6","7","3","6","1") = "6"
    & skf21("4","3","5","6","7","3","7","1") = "6"
    & skf21("4","3","5","6","7","4","1","1") = "6"
    & skf21("4","3","5","6","7","4","2","1") = "6"
    & skf21("4","3","5","6","7","4","3","1") = "6"
    & skf21("4","3","5","6","7","4","4","1") = "6"
    & skf21("4","3","5","6","7","4","5","1") = "6"
    & skf21("4","3","5","6","7","4","6","1") = "6"
    & skf21("4","3","5","6","7","4","7","1") = "6"
    & skf21("4","3","5","6","7","5","1","1") = "6"
    & skf21("4","3","5","6","7","5","2","1") = "6"
    & skf21("4","3","5","6","7","5","3","1") = "6"
    & skf21("4","3","5","6","7","5","4","1") = "6"
    & skf21("4","3","5","6","7","5","5","1") = "6"
    & skf21("4","3","5","6","7","5","6","1") = "6"
    & skf21("4","3","5","6","7","5","7","1") = "6"
    & skf21("4","3","5","6","7","6","1","1") = "6"
    & skf21("4","3","5","6","7","6","2","1") = "6"
    & skf21("4","3","5","6","7","6","3","1") = "6"
    & skf21("4","3","5","6","7","6","4","1") = "6"
    & skf21("4","3","5","6","7","6","5","1") = "6"
    & skf21("4","3","5","6","7","6","6","1") = "6"
    & skf21("4","3","5","6","7","6","7","1") = "6"
    & skf21("4","3","5","6","7","7","1","1") = "6"
    & skf21("4","3","5","6","7","7","2","1") = "6"
    & skf21("4","3","5","6","7","7","3","1") = "6"
    & skf21("4","3","5","6","7","7","4","1") = "6"
    & skf21("4","3","5","6","7","7","5","1") = "6"
    & skf21("4","3","5","6","7","7","6","1") = "6"
    & skf21("4","3","5","6","7","7","7","1") = "6"
    & skf21("4","3","5","7","1","1","1","1") = "6"
    & skf21("4","3","5","7","1","1","2","1") = "6"
    & skf21("4","3","5","7","1","1","3","1") = "6"
    & skf21("4","3","5","7","1","1","4","1") = "6"
    & skf21("4","3","5","7","1","1","5","1") = "6"
    & skf21("4","3","5","7","1","1","6","1") = "6"
    & skf21("4","3","5","7","1","1","7","1") = "6"
    & skf21("4","3","5","7","1","2","1","1") = "6"
    & skf21("4","3","5","7","1","2","2","1") = "6"
    & skf21("4","3","5","7","1","2","3","1") = "6"
    & skf21("4","3","5","7","1","2","4","1") = "6"
    & skf21("4","3","5","7","1","2","5","1") = "6"
    & skf21("4","3","5","7","1","2","6","1") = "6"
    & skf21("4","3","5","7","1","2","7","1") = "6"
    & skf21("4","3","5","7","1","3","1","1") = "6"
    & skf21("4","3","5","7","1","3","2","1") = "6"
    & skf21("4","3","5","7","1","3","3","1") = "6"
    & skf21("4","3","5","7","1","3","4","1") = "6"
    & skf21("4","3","5","7","1","3","5","1") = "6"
    & skf21("4","3","5","7","1","3","6","1") = "6"
    & skf21("4","3","5","7","1","3","7","1") = "6"
    & skf21("4","3","5","7","1","4","1","1") = "6"
    & skf21("4","3","5","7","1","4","2","1") = "6"
    & skf21("4","3","5","7","1","4","3","1") = "6"
    & skf21("4","3","5","7","1","4","4","1") = "6"
    & skf21("4","3","5","7","1","4","5","1") = "6"
    & skf21("4","3","5","7","1","4","6","1") = "6"
    & skf21("4","3","5","7","1","4","7","1") = "6"
    & skf21("4","3","5","7","1","5","1","1") = "6"
    & skf21("4","3","5","7","1","5","2","1") = "6"
    & skf21("4","3","5","7","1","5","3","1") = "6"
    & skf21("4","3","5","7","1","5","4","1") = "6"
    & skf21("4","3","5","7","1","5","5","1") = "6"
    & skf21("4","3","5","7","1","5","6","1") = "6"
    & skf21("4","3","5","7","1","5","7","1") = "6"
    & skf21("4","3","5","7","1","6","1","1") = "6"
    & skf21("4","3","5","7","1","6","2","1") = "6"
    & skf21("4","3","5","7","1","6","3","1") = "6"
    & skf21("4","3","5","7","1","6","4","1") = "6"
    & skf21("4","3","5","7","1","6","5","1") = "6"
    & skf21("4","3","5","7","1","6","6","1") = "6"
    & skf21("4","3","5","7","1","6","7","1") = "6"
    & skf21("4","3","5","7","1","7","1","1") = "6"
    & skf21("4","3","5","7","1","7","2","1") = "6"
    & skf21("4","3","5","7","1","7","3","1") = "6"
    & skf21("4","3","5","7","1","7","4","1") = "6"
    & skf21("4","3","5","7","1","7","5","1") = "6"
    & skf21("4","3","5","7","1","7","6","1") = "6"
    & skf21("4","3","5","7","1","7","7","1") = "6"
    & skf21("4","3","5","7","2","1","1","1") = "6"
    & skf21("4","3","5","7","2","1","2","1") = "6"
    & skf21("4","3","5","7","2","1","3","1") = "6"
    & skf21("4","3","5","7","2","1","4","1") = "6"
    & skf21("4","3","5","7","2","1","5","1") = "6"
    & skf21("4","3","5","7","2","1","6","1") = "6"
    & skf21("4","3","5","7","2","1","7","1") = "6"
    & skf21("4","3","5","7","2","2","1","1") = "6"
    & skf21("4","3","5","7","2","2","2","1") = "6"
    & skf21("4","3","5","7","2","2","3","1") = "6"
    & skf21("4","3","5","7","2","2","4","1") = "6"
    & skf21("4","3","5","7","2","2","5","1") = "6"
    & skf21("4","3","5","7","2","2","6","1") = "6"
    & skf21("4","3","5","7","2","2","7","1") = "6"
    & skf21("4","3","5","7","2","3","1","1") = "6"
    & skf21("4","3","5","7","2","3","2","1") = "6"
    & skf21("4","3","5","7","2","3","3","1") = "6"
    & skf21("4","3","5","7","2","3","4","1") = "6"
    & skf21("4","3","5","7","2","3","5","1") = "6"
    & skf21("4","3","5","7","2","3","6","1") = "6"
    & skf21("4","3","5","7","2","3","7","1") = "6"
    & skf21("4","3","5","7","2","4","1","1") = "6"
    & skf21("4","3","5","7","2","4","2","1") = "6"
    & skf21("4","3","5","7","2","4","3","1") = "6"
    & skf21("4","3","5","7","2","4","4","1") = "6"
    & skf21("4","3","5","7","2","4","5","1") = "6"
    & skf21("4","3","5","7","2","4","6","1") = "6"
    & skf21("4","3","5","7","2","4","7","1") = "6"
    & skf21("4","3","5","7","2","5","1","1") = "6"
    & skf21("4","3","5","7","2","5","2","1") = "6"
    & skf21("4","3","5","7","2","5","3","1") = "6"
    & skf21("4","3","5","7","2","5","4","1") = "6"
    & skf21("4","3","5","7","2","5","5","1") = "6"
    & skf21("4","3","5","7","2","5","6","1") = "6"
    & skf21("4","3","5","7","2","5","7","1") = "6"
    & skf21("4","3","5","7","2","6","1","1") = "6"
    & skf21("4","3","5","7","2","6","2","1") = "6"
    & skf21("4","3","5","7","2","6","3","1") = "6"
    & skf21("4","3","5","7","2","6","4","1") = "6"
    & skf21("4","3","5","7","2","6","5","1") = "6"
    & skf21("4","3","5","7","2","6","6","1") = "6"
    & skf21("4","3","5","7","2","6","7","1") = "6"
    & skf21("4","3","5","7","2","7","1","1") = "6"
    & skf21("4","3","5","7","2","7","2","1") = "6"
    & skf21("4","3","5","7","2","7","3","1") = "6"
    & skf21("4","3","5","7","2","7","4","1") = "6"
    & skf21("4","3","5","7","2","7","5","1") = "6"
    & skf21("4","3","5","7","2","7","6","1") = "6"
    & skf21("4","3","5","7","2","7","7","1") = "6"
    & skf21("4","3","5","7","3","1","1","1") = "6"
    & skf21("4","3","5","7","3","1","2","1") = "6"
    & skf21("4","3","5","7","3","1","3","1") = "6"
    & skf21("4","3","5","7","3","1","4","1") = "6"
    & skf21("4","3","5","7","3","1","5","1") = "6"
    & skf21("4","3","5","7","3","1","6","1") = "6"
    & skf21("4","3","5","7","3","1","7","1") = "6"
    & skf21("4","3","5","7","3","2","1","1") = "6"
    & skf21("4","3","5","7","3","2","2","1") = "6"
    & skf21("4","3","5","7","3","2","3","1") = "6"
    & skf21("4","3","5","7","3","2","4","1") = "6"
    & skf21("4","3","5","7","3","2","5","1") = "6"
    & skf21("4","3","5","7","3","2","6","1") = "6"
    & skf21("4","3","5","7","3","2","7","1") = "6"
    & skf21("4","3","5","7","3","3","1","1") = "6"
    & skf21("4","3","5","7","3","3","2","1") = "6"
    & skf21("4","3","5","7","3","3","3","1") = "6"
    & skf21("4","3","5","7","3","3","4","1") = "6"
    & skf21("4","3","5","7","3","3","5","1") = "6"
    & skf21("4","3","5","7","3","3","6","1") = "6"
    & skf21("4","3","5","7","3","3","7","1") = "6"
    & skf21("4","3","5","7","3","4","1","1") = "6"
    & skf21("4","3","5","7","3","4","2","1") = "6"
    & skf21("4","3","5","7","3","4","3","1") = "6"
    & skf21("4","3","5","7","3","4","4","1") = "6"
    & skf21("4","3","5","7","3","4","5","1") = "6"
    & skf21("4","3","5","7","3","4","6","1") = "6"
    & skf21("4","3","5","7","3","4","7","1") = "6"
    & skf21("4","3","5","7","3","5","1","1") = "6"
    & skf21("4","3","5","7","3","5","2","1") = "6"
    & skf21("4","3","5","7","3","5","3","1") = "6"
    & skf21("4","3","5","7","3","5","4","1") = "6"
    & skf21("4","3","5","7","3","5","5","1") = "6"
    & skf21("4","3","5","7","3","5","6","1") = "6"
    & skf21("4","3","5","7","3","5","7","1") = "6"
    & skf21("4","3","5","7","3","6","1","1") = "6"
    & skf21("4","3","5","7","3","6","2","1") = "6"
    & skf21("4","3","5","7","3","6","3","1") = "6"
    & skf21("4","3","5","7","3","6","4","1") = "6"
    & skf21("4","3","5","7","3","6","5","1") = "6"
    & skf21("4","3","5","7","3","6","6","1") = "6"
    & skf21("4","3","5","7","3","6","7","1") = "6"
    & skf21("4","3","5","7","3","7","1","1") = "6"
    & skf21("4","3","5","7","3","7","2","1") = "6"
    & skf21("4","3","5","7","3","7","3","1") = "6"
    & skf21("4","3","5","7","3","7","4","1") = "6"
    & skf21("4","3","5","7","3","7","5","1") = "6"
    & skf21("4","3","5","7","3","7","6","1") = "6"
    & skf21("4","3","5","7","3","7","7","1") = "6"
    & skf21("4","3","5","7","4","1","1","1") = "6"
    & skf21("4","3","5","7","4","1","2","1") = "6"
    & skf21("4","3","5","7","4","1","3","1") = "6"
    & skf21("4","3","5","7","4","1","4","1") = "6"
    & skf21("4","3","5","7","4","1","5","1") = "6"
    & skf21("4","3","5","7","4","1","6","1") = "6"
    & skf21("4","3","5","7","4","1","7","1") = "6"
    & skf21("4","3","5","7","4","2","1","1") = "6"
    & skf21("4","3","5","7","4","2","2","1") = "6"
    & skf21("4","3","5","7","4","2","3","1") = "6"
    & skf21("4","3","5","7","4","2","4","1") = "6"
    & skf21("4","3","5","7","4","2","5","1") = "6"
    & skf21("4","3","5","7","4","2","6","1") = "6"
    & skf21("4","3","5","7","4","2","7","1") = "6"
    & skf21("4","3","5","7","4","3","1","1") = "6"
    & skf21("4","3","5","7","4","3","2","1") = "6"
    & skf21("4","3","5","7","4","3","3","1") = "6"
    & skf21("4","3","5","7","4","3","4","1") = "6"
    & skf21("4","3","5","7","4","3","5","1") = "6"
    & skf21("4","3","5","7","4","3","6","1") = "6"
    & skf21("4","3","5","7","4","3","7","1") = "6"
    & skf21("4","3","5","7","4","4","1","1") = "6"
    & skf21("4","3","5","7","4","4","2","1") = "6"
    & skf21("4","3","5","7","4","4","3","1") = "6"
    & skf21("4","3","5","7","4","4","4","1") = "6"
    & skf21("4","3","5","7","4","4","5","1") = "6"
    & skf21("4","3","5","7","4","4","6","1") = "6"
    & skf21("4","3","5","7","4","4","7","1") = "6"
    & skf21("4","3","5","7","4","5","1","1") = "6"
    & skf21("4","3","5","7","4","5","2","1") = "6"
    & skf21("4","3","5","7","4","5","3","1") = "6"
    & skf21("4","3","5","7","4","5","4","1") = "6"
    & skf21("4","3","5","7","4","5","5","1") = "6"
    & skf21("4","3","5","7","4","5","6","1") = "6"
    & skf21("4","3","5","7","4","5","7","1") = "6"
    & skf21("4","3","5","7","4","6","1","1") = "6"
    & skf21("4","3","5","7","4","6","2","1") = "6"
    & skf21("4","3","5","7","4","6","3","1") = "6"
    & skf21("4","3","5","7","4","6","4","1") = "6"
    & skf21("4","3","5","7","4","6","5","1") = "6"
    & skf21("4","3","5","7","4","6","6","1") = "6"
    & skf21("4","3","5","7","4","6","7","1") = "6"
    & skf21("4","3","5","7","4","7","1","1") = "6"
    & skf21("4","3","5","7","4","7","2","1") = "6"
    & skf21("4","3","5","7","4","7","3","1") = "6"
    & skf21("4","3","5","7","4","7","4","1") = "6"
    & skf21("4","3","5","7","4","7","5","1") = "6"
    & skf21("4","3","5","7","4","7","6","1") = "6"
    & skf21("4","3","5","7","4","7","7","1") = "6"
    & skf21("4","3","5","7","5","1","1","1") = "6"
    & skf21("4","3","5","7","5","1","2","1") = "6"
    & skf21("4","3","5","7","5","1","3","1") = "6"
    & skf21("4","3","5","7","5","1","4","1") = "6"
    & skf21("4","3","5","7","5","1","5","1") = "6"
    & skf21("4","3","5","7","5","1","6","1") = "6"
    & skf21("4","3","5","7","5","1","7","1") = "6"
    & skf21("4","3","5","7","5","2","1","1") = "6"
    & skf21("4","3","5","7","5","2","2","1") = "6"
    & skf21("4","3","5","7","5","2","3","1") = "6"
    & skf21("4","3","5","7","5","2","4","1") = "6"
    & skf21("4","3","5","7","5","2","5","1") = "6"
    & skf21("4","3","5","7","5","2","6","1") = "6"
    & skf21("4","3","5","7","5","2","7","1") = "6"
    & skf21("4","3","5","7","5","3","1","1") = "6"
    & skf21("4","3","5","7","5","3","2","1") = "6"
    & skf21("4","3","5","7","5","3","3","1") = "6"
    & skf21("4","3","5","7","5","3","4","1") = "6"
    & skf21("4","3","5","7","5","3","5","1") = "6"
    & skf21("4","3","5","7","5","3","6","1") = "6"
    & skf21("4","3","5","7","5","3","7","1") = "6"
    & skf21("4","3","5","7","5","4","1","1") = "6"
    & skf21("4","3","5","7","5","4","2","1") = "6"
    & skf21("4","3","5","7","5","4","3","1") = "6"
    & skf21("4","3","5","7","5","4","4","1") = "6"
    & skf21("4","3","5","7","5","4","5","1") = "6"
    & skf21("4","3","5","7","5","4","6","1") = "6"
    & skf21("4","3","5","7","5","4","7","1") = "6"
    & skf21("4","3","5","7","5","5","1","1") = "6"
    & skf21("4","3","5","7","5","5","2","1") = "6"
    & skf21("4","3","5","7","5","5","3","1") = "6"
    & skf21("4","3","5","7","5","5","4","1") = "6"
    & skf21("4","3","5","7","5","5","5","1") = "6"
    & skf21("4","3","5","7","5","5","6","1") = "6"
    & skf21("4","3","5","7","5","5","7","1") = "6"
    & skf21("4","3","5","7","5","6","1","1") = "6"
    & skf21("4","3","5","7","5","6","2","1") = "6"
    & skf21("4","3","5","7","5","6","3","1") = "6"
    & skf21("4","3","5","7","5","6","4","1") = "6"
    & skf21("4","3","5","7","5","6","5","1") = "6"
    & skf21("4","3","5","7","5","6","6","1") = "6"
    & skf21("4","3","5","7","5","6","7","1") = "6"
    & skf21("4","3","5","7","5","7","1","1") = "6"
    & skf21("4","3","5","7","5","7","2","1") = "6"
    & skf21("4","3","5","7","5","7","3","1") = "6"
    & skf21("4","3","5","7","5","7","4","1") = "6"
    & skf21("4","3","5","7","5","7","5","1") = "6"
    & skf21("4","3","5","7","5","7","6","1") = "6"
    & skf21("4","3","5","7","5","7","7","1") = "6"
    & skf21("4","3","5","7","6","1","1","1") = "6"
    & skf21("4","3","5","7","6","1","2","1") = "6"
    & skf21("4","3","5","7","6","1","3","1") = "6"
    & skf21("4","3","5","7","6","1","4","1") = "6"
    & skf21("4","3","5","7","6","1","5","1") = "6"
    & skf21("4","3","5","7","6","1","6","1") = "6"
    & skf21("4","3","5","7","6","1","7","1") = "6"
    & skf21("4","3","5","7","6","2","1","1") = "6"
    & skf21("4","3","5","7","6","2","2","1") = "6"
    & skf21("4","3","5","7","6","2","3","1") = "6"
    & skf21("4","3","5","7","6","2","4","1") = "6"
    & skf21("4","3","5","7","6","2","5","1") = "6"
    & skf21("4","3","5","7","6","2","6","1") = "6"
    & skf21("4","3","5","7","6","2","7","1") = "6"
    & skf21("4","3","5","7","6","3","1","1") = "6"
    & skf21("4","3","5","7","6","3","2","1") = "6"
    & skf21("4","3","5","7","6","3","3","1") = "6"
    & skf21("4","3","5","7","6","3","4","1") = "6"
    & skf21("4","3","5","7","6","3","5","1") = "6"
    & skf21("4","3","5","7","6","3","6","1") = "6"
    & skf21("4","3","5","7","6","3","7","1") = "6"
    & skf21("4","3","5","7","6","4","1","1") = "6"
    & skf21("4","3","5","7","6","4","2","1") = "6"
    & skf21("4","3","5","7","6","4","3","1") = "6"
    & skf21("4","3","5","7","6","4","4","1") = "6"
    & skf21("4","3","5","7","6","4","5","1") = "6"
    & skf21("4","3","5","7","6","4","6","1") = "6"
    & skf21("4","3","5","7","6","4","7","1") = "6"
    & skf21("4","3","5","7","6","5","1","1") = "6"
    & skf21("4","3","5","7","6","5","2","1") = "6"
    & skf21("4","3","5","7","6","5","3","1") = "6"
    & skf21("4","3","5","7","6","5","4","1") = "6"
    & skf21("4","3","5","7","6","5","5","1") = "6"
    & skf21("4","3","5","7","6","5","6","1") = "6"
    & skf21("4","3","5","7","6","5","7","1") = "6"
    & skf21("4","3","5","7","6","6","1","1") = "6"
    & skf21("4","3","5","7","6","6","2","1") = "6"
    & skf21("4","3","5","7","6","6","3","1") = "6"
    & skf21("4","3","5","7","6","6","4","1") = "6"
    & skf21("4","3","5","7","6","6","5","1") = "6"
    & skf21("4","3","5","7","6","6","6","1") = "6"
    & skf21("4","3","5","7","6","6","7","1") = "6"
    & skf21("4","3","5","7","6","7","1","1") = "6"
    & skf21("4","3","5","7","6","7","2","1") = "6"
    & skf21("4","3","5","7","6","7","3","1") = "6"
    & skf21("4","3","5","7","6","7","4","1") = "6"
    & skf21("4","3","5","7","6","7","5","1") = "6"
    & skf21("4","3","5","7","6","7","6","1") = "6"
    & skf21("4","3","5","7","6","7","7","1") = "6"
    & skf21("4","3","5","7","7","1","1","1") = "6"
    & skf21("4","3","5","7","7","1","2","1") = "6"
    & skf21("4","3","5","7","7","1","3","1") = "6"
    & skf21("4","3","5","7","7","1","4","1") = "6"
    & skf21("4","3","5","7","7","1","5","1") = "6"
    & skf21("4","3","5","7","7","1","6","1") = "6"
    & skf21("4","3","5","7","7","1","7","1") = "6"
    & skf21("4","3","5","7","7","2","1","1") = "6"
    & skf21("4","3","5","7","7","2","2","1") = "6"
    & skf21("4","3","5","7","7","2","3","1") = "6"
    & skf21("4","3","5","7","7","2","4","1") = "6"
    & skf21("4","3","5","7","7","2","5","1") = "6"
    & skf21("4","3","5","7","7","2","6","1") = "6"
    & skf21("4","3","5","7","7","2","7","1") = "6"
    & skf21("4","3","5","7","7","3","1","1") = "6"
    & skf21("4","3","5","7","7","3","2","1") = "6"
    & skf21("4","3","5","7","7","3","3","1") = "6"
    & skf21("4","3","5","7","7","3","4","1") = "6"
    & skf21("4","3","5","7","7","3","5","1") = "6"
    & skf21("4","3","5","7","7","3","6","1") = "6"
    & skf21("4","3","5","7","7","3","7","1") = "6"
    & skf21("4","3","5","7","7","4","1","1") = "6"
    & skf21("4","3","5","7","7","4","2","1") = "6"
    & skf21("4","3","5","7","7","4","3","1") = "6"
    & skf21("4","3","5","7","7","4","4","1") = "6"
    & skf21("4","3","5","7","7","4","5","1") = "6"
    & skf21("4","3","5","7","7","4","6","1") = "6"
    & skf21("4","3","5","7","7","4","7","1") = "6"
    & skf21("4","3","5","7","7","5","1","1") = "6"
    & skf21("4","3","5","7","7","5","2","1") = "6"
    & skf21("4","3","5","7","7","5","3","1") = "6"
    & skf21("4","3","5","7","7","5","4","1") = "6"
    & skf21("4","3","5","7","7","5","5","1") = "6"
    & skf21("4","3","5","7","7","5","6","1") = "6"
    & skf21("4","3","5","7","7","5","7","1") = "6"
    & skf21("4","3","5","7","7","6","1","1") = "6"
    & skf21("4","3","5","7","7","6","2","1") = "6"
    & skf21("4","3","5","7","7","6","3","1") = "6"
    & skf21("4","3","5","7","7","6","4","1") = "6"
    & skf21("4","3","5","7","7","6","5","1") = "6"
    & skf21("4","3","5","7","7","6","6","1") = "6"
    & skf21("4","3","5","7","7","6","7","1") = "6"
    & skf21("4","3","5","7","7","7","1","1") = "6"
    & skf21("4","3","5","7","7","7","2","1") = "6"
    & skf21("4","3","5","7","7","7","3","1") = "6"
    & skf21("4","3","5","7","7","7","4","1") = "6"
    & skf21("4","3","5","7","7","7","5","1") = "6"
    & skf21("4","3","5","7","7","7","6","1") = "6"
    & skf21("4","3","5","7","7","7","7","1") = "6"
    & skf21("4","3","6","1","1","1","1","1") = "5"
    & skf21("4","3","6","1","1","1","2","1") = "5"
    & skf21("4","3","6","1","1","1","3","1") = "5"
    & skf21("4","3","6","1","1","1","4","1") = "5"
    & skf21("4","3","6","1","1","1","5","1") = "5"
    & skf21("4","3","6","1","1","1","6","1") = "5"
    & skf21("4","3","6","1","1","1","7","1") = "6"
    & skf21("4","3","6","1","1","2","1","1") = "5"
    & skf21("4","3","6","1","1","2","2","1") = "5"
    & skf21("4","3","6","1","1","2","3","1") = "5"
    & skf21("4","3","6","1","1","2","4","1") = "5"
    & skf21("4","3","6","1","1","2","5","1") = "5"
    & skf21("4","3","6","1","1","2","6","1") = "5"
    & skf21("4","3","6","1","1","2","7","1") = "6"
    & skf21("4","3","6","1","1","3","1","1") = "5"
    & skf21("4","3","6","1","1","3","2","1") = "5"
    & skf21("4","3","6","1","1","3","3","1") = "5"
    & skf21("4","3","6","1","1","3","4","1") = "5"
    & skf21("4","3","6","1","1","3","5","1") = "5"
    & skf21("4","3","6","1","1","3","6","1") = "5"
    & skf21("4","3","6","1","1","3","7","1") = "6"
    & skf21("4","3","6","1","1","4","1","1") = "5"
    & skf21("4","3","6","1","1","4","2","1") = "5"
    & skf21("4","3","6","1","1","4","3","1") = "5"
    & skf21("4","3","6","1","1","4","4","1") = "5"
    & skf21("4","3","6","1","1","4","5","1") = "5"
    & skf21("4","3","6","1","1","4","6","1") = "5"
    & skf21("4","3","6","1","1","4","7","1") = "6"
    & skf21("4","3","6","1","1","5","1","1") = "5"
    & skf21("4","3","6","1","1","5","2","1") = "5"
    & skf21("4","3","6","1","1","5","3","1") = "5"
    & skf21("4","3","6","1","1","5","4","1") = "5"
    & skf21("4","3","6","1","1","5","5","1") = "5"
    & skf21("4","3","6","1","1","5","6","1") = "5"
    & skf21("4","3","6","1","1","5","7","1") = "6"
    & skf21("4","3","6","1","1","6","1","1") = "5"
    & skf21("4","3","6","1","1","6","2","1") = "5"
    & skf21("4","3","6","1","1","6","3","1") = "5"
    & skf21("4","3","6","1","1","6","4","1") = "5"
    & skf21("4","3","6","1","1","6","5","1") = "5"
    & skf21("4","3","6","1","1","6","6","1") = "5"
    & skf21("4","3","6","1","1","6","7","1") = "6"
    & skf21("4","3","6","1","1","7","1","1") = "6"
    & skf21("4","3","6","1","1","7","2","1") = "6"
    & skf21("4","3","6","1","1","7","3","1") = "6"
    & skf21("4","3","6","1","1","7","4","1") = "6"
    & skf21("4","3","6","1","1","7","5","1") = "6"
    & skf21("4","3","6","1","1","7","6","1") = "6"
    & skf21("4","3","6","1","1","7","7","1") = "6"
    & skf21("4","3","6","1","2","1","1","1") = "5"
    & skf21("4","3","6","1","2","1","2","1") = "5"
    & skf21("4","3","6","1","2","1","3","1") = "5"
    & skf21("4","3","6","1","2","1","4","1") = "5"
    & skf21("4","3","6","1","2","1","5","1") = "5"
    & skf21("4","3","6","1","2","1","6","1") = "5"
    & skf21("4","3","6","1","2","1","7","1") = "6"
    & skf21("4","3","6","1","2","2","1","1") = "5"
    & skf21("4","3","6","1","2","2","2","1") = "5"
    & skf21("4","3","6","1","2","2","3","1") = "5"
    & skf21("4","3","6","1","2","2","4","1") = "5"
    & skf21("4","3","6","1","2","2","5","1") = "5"
    & skf21("4","3","6","1","2","2","6","1") = "5"
    & skf21("4","3","6","1","2","2","7","1") = "6"
    & skf21("4","3","6","1","2","3","1","1") = "5"
    & skf21("4","3","6","1","2","3","2","1") = "5"
    & skf21("4","3","6","1","2","3","3","1") = "5"
    & skf21("4","3","6","1","2","3","4","1") = "5"
    & skf21("4","3","6","1","2","3","5","1") = "5"
    & skf21("4","3","6","1","2","3","6","1") = "5"
    & skf21("4","3","6","1","2","3","7","1") = "6"
    & skf21("4","3","6","1","2","4","1","1") = "5"
    & skf21("4","3","6","1","2","4","2","1") = "5"
    & skf21("4","3","6","1","2","4","3","1") = "5"
    & skf21("4","3","6","1","2","4","4","1") = "5"
    & skf21("4","3","6","1","2","4","5","1") = "5"
    & skf21("4","3","6","1","2","4","6","1") = "5"
    & skf21("4","3","6","1","2","4","7","1") = "6"
    & skf21("4","3","6","1","2","5","1","1") = "5"
    & skf21("4","3","6","1","2","5","2","1") = "5"
    & skf21("4","3","6","1","2","5","3","1") = "5"
    & skf21("4","3","6","1","2","5","4","1") = "5"
    & skf21("4","3","6","1","2","5","5","1") = "5"
    & skf21("4","3","6","1","2","5","6","1") = "5"
    & skf21("4","3","6","1","2","5","7","1") = "6"
    & skf21("4","3","6","1","2","6","1","1") = "5"
    & skf21("4","3","6","1","2","6","2","1") = "5"
    & skf21("4","3","6","1","2","6","3","1") = "5"
    & skf21("4","3","6","1","2","6","4","1") = "5"
    & skf21("4","3","6","1","2","6","5","1") = "5"
    & skf21("4","3","6","1","2","6","6","1") = "5"
    & skf21("4","3","6","1","2","6","7","1") = "6"
    & skf21("4","3","6","1","2","7","1","1") = "6"
    & skf21("4","3","6","1","2","7","2","1") = "6"
    & skf21("4","3","6","1","2","7","3","1") = "6"
    & skf21("4","3","6","1","2","7","4","1") = "6"
    & skf21("4","3","6","1","2","7","5","1") = "6"
    & skf21("4","3","6","1","2","7","6","1") = "6"
    & skf21("4","3","6","1","2","7","7","1") = "6"
    & skf21("4","3","6","1","3","1","1","1") = "5"
    & skf21("4","3","6","1","3","1","2","1") = "5"
    & skf21("4","3","6","1","3","1","3","1") = "5"
    & skf21("4","3","6","1","3","1","4","1") = "5"
    & skf21("4","3","6","1","3","1","5","1") = "5"
    & skf21("4","3","6","1","3","1","6","1") = "5"
    & skf21("4","3","6","1","3","1","7","1") = "6"
    & skf21("4","3","6","1","3","2","1","1") = "5"
    & skf21("4","3","6","1","3","2","2","1") = "5"
    & skf21("4","3","6","1","3","2","3","1") = "5"
    & skf21("4","3","6","1","3","2","4","1") = "5"
    & skf21("4","3","6","1","3","2","5","1") = "5"
    & skf21("4","3","6","1","3","2","6","1") = "5"
    & skf21("4","3","6","1","3","2","7","1") = "6"
    & skf21("4","3","6","1","3","3","1","1") = "5"
    & skf21("4","3","6","1","3","3","2","1") = "5"
    & skf21("4","3","6","1","3","3","3","1") = "5"
    & skf21("4","3","6","1","3","3","4","1") = "5"
    & skf21("4","3","6","1","3","3","5","1") = "5"
    & skf21("4","3","6","1","3","3","6","1") = "5"
    & skf21("4","3","6","1","3","3","7","1") = "6"
    & skf21("4","3","6","1","3","4","1","1") = "5"
    & skf21("4","3","6","1","3","4","2","1") = "5"
    & skf21("4","3","6","1","3","4","3","1") = "5"
    & skf21("4","3","6","1","3","4","4","1") = "5"
    & skf21("4","3","6","1","3","4","5","1") = "5"
    & skf21("4","3","6","1","3","4","6","1") = "5"
    & skf21("4","3","6","1","3","4","7","1") = "6"
    & skf21("4","3","6","1","3","5","1","1") = "5"
    & skf21("4","3","6","1","3","5","2","1") = "5"
    & skf21("4","3","6","1","3","5","3","1") = "5"
    & skf21("4","3","6","1","3","5","4","1") = "5"
    & skf21("4","3","6","1","3","5","5","1") = "5"
    & skf21("4","3","6","1","3","5","6","1") = "5"
    & skf21("4","3","6","1","3","5","7","1") = "6"
    & skf21("4","3","6","1","3","6","1","1") = "5"
    & skf21("4","3","6","1","3","6","2","1") = "5"
    & skf21("4","3","6","1","3","6","3","1") = "5"
    & skf21("4","3","6","1","3","6","4","1") = "5"
    & skf21("4","3","6","1","3","6","5","1") = "5"
    & skf21("4","3","6","1","3","6","6","1") = "5"
    & skf21("4","3","6","1","3","6","7","1") = "6"
    & skf21("4","3","6","1","3","7","1","1") = "6"
    & skf21("4","3","6","1","3","7","2","1") = "6"
    & skf21("4","3","6","1","3","7","3","1") = "6"
    & skf21("4","3","6","1","3","7","4","1") = "6"
    & skf21("4","3","6","1","3","7","5","1") = "6"
    & skf21("4","3","6","1","3","7","6","1") = "6"
    & skf21("4","3","6","1","3","7","7","1") = "6"
    & skf21("4","3","6","1","4","1","1","1") = "5"
    & skf21("4","3","6","1","4","1","2","1") = "5"
    & skf21("4","3","6","1","4","1","3","1") = "5"
    & skf21("4","3","6","1","4","1","4","1") = "5"
    & skf21("4","3","6","1","4","1","5","1") = "5"
    & skf21("4","3","6","1","4","1","6","1") = "5"
    & skf21("4","3","6","1","4","1","7","1") = "6"
    & skf21("4","3","6","1","4","2","1","1") = "5"
    & skf21("4","3","6","1","4","2","2","1") = "5"
    & skf21("4","3","6","1","4","2","3","1") = "5"
    & skf21("4","3","6","1","4","2","4","1") = "5"
    & skf21("4","3","6","1","4","2","5","1") = "5"
    & skf21("4","3","6","1","4","2","6","1") = "5"
    & skf21("4","3","6","1","4","2","7","1") = "6"
    & skf21("4","3","6","1","4","3","1","1") = "5"
    & skf21("4","3","6","1","4","3","2","1") = "5"
    & skf21("4","3","6","1","4","3","3","1") = "5"
    & skf21("4","3","6","1","4","3","4","1") = "5"
    & skf21("4","3","6","1","4","3","5","1") = "5"
    & skf21("4","3","6","1","4","3","6","1") = "5"
    & skf21("4","3","6","1","4","3","7","1") = "6"
    & skf21("4","3","6","1","4","4","1","1") = "5"
    & skf21("4","3","6","1","4","4","2","1") = "5"
    & skf21("4","3","6","1","4","4","3","1") = "5"
    & skf21("4","3","6","1","4","4","4","1") = "5"
    & skf21("4","3","6","1","4","4","5","1") = "5"
    & skf21("4","3","6","1","4","4","6","1") = "5"
    & skf21("4","3","6","1","4","4","7","1") = "6"
    & skf21("4","3","6","1","4","5","1","1") = "5"
    & skf21("4","3","6","1","4","5","2","1") = "5"
    & skf21("4","3","6","1","4","5","3","1") = "5"
    & skf21("4","3","6","1","4","5","4","1") = "5"
    & skf21("4","3","6","1","4","5","5","1") = "5"
    & skf21("4","3","6","1","4","5","6","1") = "5"
    & skf21("4","3","6","1","4","5","7","1") = "6"
    & skf21("4","3","6","1","4","6","1","1") = "5"
    & skf21("4","3","6","1","4","6","2","1") = "5"
    & skf21("4","3","6","1","4","6","3","1") = "5"
    & skf21("4","3","6","1","4","6","4","1") = "5"
    & skf21("4","3","6","1","4","6","5","1") = "5"
    & skf21("4","3","6","1","4","6","6","1") = "5"
    & skf21("4","3","6","1","4","6","7","1") = "6"
    & skf21("4","3","6","1","4","7","1","1") = "6"
    & skf21("4","3","6","1","4","7","2","1") = "6"
    & skf21("4","3","6","1","4","7","3","1") = "6"
    & skf21("4","3","6","1","4","7","4","1") = "6"
    & skf21("4","3","6","1","4","7","5","1") = "6"
    & skf21("4","3","6","1","4","7","6","1") = "6"
    & skf21("4","3","6","1","4","7","7","1") = "6"
    & skf21("4","3","6","1","5","1","1","1") = "5"
    & skf21("4","3","6","1","5","1","2","1") = "5"
    & skf21("4","3","6","1","5","1","3","1") = "5"
    & skf21("4","3","6","1","5","1","4","1") = "5"
    & skf21("4","3","6","1","5","1","5","1") = "5"
    & skf21("4","3","6","1","5","1","6","1") = "5"
    & skf21("4","3","6","1","5","1","7","1") = "6"
    & skf21("4","3","6","1","5","2","1","1") = "5"
    & skf21("4","3","6","1","5","2","2","1") = "5"
    & skf21("4","3","6","1","5","2","3","1") = "5"
    & skf21("4","3","6","1","5","2","4","1") = "5"
    & skf21("4","3","6","1","5","2","5","1") = "5"
    & skf21("4","3","6","1","5","2","6","1") = "5"
    & skf21("4","3","6","1","5","2","7","1") = "6"
    & skf21("4","3","6","1","5","3","1","1") = "5"
    & skf21("4","3","6","1","5","3","2","1") = "5"
    & skf21("4","3","6","1","5","3","3","1") = "5"
    & skf21("4","3","6","1","5","3","4","1") = "5"
    & skf21("4","3","6","1","5","3","5","1") = "5"
    & skf21("4","3","6","1","5","3","6","1") = "5"
    & skf21("4","3","6","1","5","3","7","1") = "6"
    & skf21("4","3","6","1","5","4","1","1") = "5"
    & skf21("4","3","6","1","5","4","2","1") = "5"
    & skf21("4","3","6","1","5","4","3","1") = "5"
    & skf21("4","3","6","1","5","4","4","1") = "5"
    & skf21("4","3","6","1","5","4","5","1") = "5"
    & skf21("4","3","6","1","5","4","6","1") = "5"
    & skf21("4","3","6","1","5","4","7","1") = "6"
    & skf21("4","3","6","1","5","5","1","1") = "5"
    & skf21("4","3","6","1","5","5","2","1") = "5"
    & skf21("4","3","6","1","5","5","3","1") = "5"
    & skf21("4","3","6","1","5","5","4","1") = "5"
    & skf21("4","3","6","1","5","5","5","1") = "5"
    & skf21("4","3","6","1","5","5","6","1") = "5"
    & skf21("4","3","6","1","5","5","7","1") = "6"
    & skf21("4","3","6","1","5","6","1","1") = "5"
    & skf21("4","3","6","1","5","6","2","1") = "5"
    & skf21("4","3","6","1","5","6","3","1") = "5"
    & skf21("4","3","6","1","5","6","4","1") = "5"
    & skf21("4","3","6","1","5","6","5","1") = "5"
    & skf21("4","3","6","1","5","6","6","1") = "5"
    & skf21("4","3","6","1","5","6","7","1") = "6"
    & skf21("4","3","6","1","5","7","1","1") = "6"
    & skf21("4","3","6","1","5","7","2","1") = "6"
    & skf21("4","3","6","1","5","7","3","1") = "6"
    & skf21("4","3","6","1","5","7","4","1") = "6"
    & skf21("4","3","6","1","5","7","5","1") = "6"
    & skf21("4","3","6","1","5","7","6","1") = "6"
    & skf21("4","3","6","1","5","7","7","1") = "6"
    & skf21("4","3","6","1","6","1","1","1") = "5"
    & skf21("4","3","6","1","6","1","2","1") = "5"
    & skf21("4","3","6","1","6","1","3","1") = "5"
    & skf21("4","3","6","1","6","1","4","1") = "5"
    & skf21("4","3","6","1","6","1","5","1") = "5"
    & skf21("4","3","6","1","6","1","6","1") = "5"
    & skf21("4","3","6","1","6","1","7","1") = "6"
    & skf21("4","3","6","1","6","2","1","1") = "5"
    & skf21("4","3","6","1","6","2","2","1") = "5"
    & skf21("4","3","6","1","6","2","3","1") = "5"
    & skf21("4","3","6","1","6","2","4","1") = "5"
    & skf21("4","3","6","1","6","2","5","1") = "5"
    & skf21("4","3","6","1","6","2","6","1") = "5"
    & skf21("4","3","6","1","6","2","7","1") = "6"
    & skf21("4","3","6","1","6","3","1","1") = "5"
    & skf21("4","3","6","1","6","3","2","1") = "5"
    & skf21("4","3","6","1","6","3","3","1") = "5"
    & skf21("4","3","6","1","6","3","4","1") = "5"
    & skf21("4","3","6","1","6","3","5","1") = "5"
    & skf21("4","3","6","1","6","3","6","1") = "5"
    & skf21("4","3","6","1","6","3","7","1") = "6"
    & skf21("4","3","6","1","6","4","1","1") = "5"
    & skf21("4","3","6","1","6","4","2","1") = "5"
    & skf21("4","3","6","1","6","4","3","1") = "5"
    & skf21("4","3","6","1","6","4","4","1") = "5"
    & skf21("4","3","6","1","6","4","5","1") = "5"
    & skf21("4","3","6","1","6","4","6","1") = "5"
    & skf21("4","3","6","1","6","4","7","1") = "6"
    & skf21("4","3","6","1","6","5","1","1") = "5"
    & skf21("4","3","6","1","6","5","2","1") = "5"
    & skf21("4","3","6","1","6","5","3","1") = "5"
    & skf21("4","3","6","1","6","5","4","1") = "5"
    & skf21("4","3","6","1","6","5","5","1") = "5"
    & skf21("4","3","6","1","6","5","6","1") = "5"
    & skf21("4","3","6","1","6","5","7","1") = "6"
    & skf21("4","3","6","1","6","6","1","1") = "5"
    & skf21("4","3","6","1","6","6","2","1") = "5"
    & skf21("4","3","6","1","6","6","3","1") = "5"
    & skf21("4","3","6","1","6","6","4","1") = "5"
    & skf21("4","3","6","1","6","6","5","1") = "5"
    & skf21("4","3","6","1","6","6","6","1") = "5"
    & skf21("4","3","6","1","6","6","7","1") = "6"
    & skf21("4","3","6","1","6","7","1","1") = "6"
    & skf21("4","3","6","1","6","7","2","1") = "6"
    & skf21("4","3","6","1","6","7","3","1") = "6"
    & skf21("4","3","6","1","6","7","4","1") = "6"
    & skf21("4","3","6","1","6","7","5","1") = "6"
    & skf21("4","3","6","1","6","7","6","1") = "6"
    & skf21("4","3","6","1","6","7","7","1") = "6"
    & skf21("4","3","6","1","7","1","1","1") = "6"
    & skf21("4","3","6","1","7","1","2","1") = "6"
    & skf21("4","3","6","1","7","1","3","1") = "6"
    & skf21("4","3","6","1","7","1","4","1") = "6"
    & skf21("4","3","6","1","7","1","5","1") = "6"
    & skf21("4","3","6","1","7","1","6","1") = "6"
    & skf21("4","3","6","1","7","1","7","1") = "6"
    & skf21("4","3","6","1","7","2","1","1") = "6"
    & skf21("4","3","6","1","7","2","2","1") = "6"
    & skf21("4","3","6","1","7","2","3","1") = "6"
    & skf21("4","3","6","1","7","2","4","1") = "6"
    & skf21("4","3","6","1","7","2","5","1") = "6"
    & skf21("4","3","6","1","7","2","6","1") = "6"
    & skf21("4","3","6","1","7","2","7","1") = "6"
    & skf21("4","3","6","1","7","3","1","1") = "6"
    & skf21("4","3","6","1","7","3","2","1") = "6"
    & skf21("4","3","6","1","7","3","3","1") = "6"
    & skf21("4","3","6","1","7","3","4","1") = "6"
    & skf21("4","3","6","1","7","3","5","1") = "6"
    & skf21("4","3","6","1","7","3","6","1") = "6"
    & skf21("4","3","6","1","7","3","7","1") = "6"
    & skf21("4","3","6","1","7","4","1","1") = "6"
    & skf21("4","3","6","1","7","4","2","1") = "6"
    & skf21("4","3","6","1","7","4","3","1") = "6"
    & skf21("4","3","6","1","7","4","4","1") = "6"
    & skf21("4","3","6","1","7","4","5","1") = "6"
    & skf21("4","3","6","1","7","4","6","1") = "6"
    & skf21("4","3","6","1","7","4","7","1") = "6"
    & skf21("4","3","6","1","7","5","1","1") = "6"
    & skf21("4","3","6","1","7","5","2","1") = "6"
    & skf21("4","3","6","1","7","5","3","1") = "6"
    & skf21("4","3","6","1","7","5","4","1") = "6"
    & skf21("4","3","6","1","7","5","5","1") = "6"
    & skf21("4","3","6","1","7","5","6","1") = "6"
    & skf21("4","3","6","1","7","5","7","1") = "6"
    & skf21("4","3","6","1","7","6","1","1") = "6"
    & skf21("4","3","6","1","7","6","2","1") = "6"
    & skf21("4","3","6","1","7","6","3","1") = "6"
    & skf21("4","3","6","1","7","6","4","1") = "6"
    & skf21("4","3","6","1","7","6","5","1") = "6"
    & skf21("4","3","6","1","7","6","6","1") = "6"
    & skf21("4","3","6","1","7","6","7","1") = "6"
    & skf21("4","3","6","1","7","7","1","1") = "6"
    & skf21("4","3","6","1","7","7","2","1") = "6"
    & skf21("4","3","6","1","7","7","3","1") = "6"
    & skf21("4","3","6","1","7","7","4","1") = "6"
    & skf21("4","3","6","1","7","7","5","1") = "6"
    & skf21("4","3","6","1","7","7","6","1") = "6"
    & skf21("4","3","6","1","7","7","7","1") = "6"
    & skf21("4","3","6","2","1","1","1","1") = "5"
    & skf21("4","3","6","2","1","1","2","1") = "5"
    & skf21("4","3","6","2","1","1","3","1") = "5"
    & skf21("4","3","6","2","1","1","4","1") = "5"
    & skf21("4","3","6","2","1","1","5","1") = "5"
    & skf21("4","3","6","2","1","1","6","1") = "5"
    & skf21("4","3","6","2","1","1","7","1") = "6"
    & skf21("4","3","6","2","1","2","1","1") = "5"
    & skf21("4","3","6","2","1","2","2","1") = "5"
    & skf21("4","3","6","2","1","2","3","1") = "5"
    & skf21("4","3","6","2","1","2","4","1") = "5"
    & skf21("4","3","6","2","1","2","5","1") = "5"
    & skf21("4","3","6","2","1","2","6","1") = "5"
    & skf21("4","3","6","2","1","2","7","1") = "6"
    & skf21("4","3","6","2","1","3","1","1") = "5"
    & skf21("4","3","6","2","1","3","2","1") = "5"
    & skf21("4","3","6","2","1","3","3","1") = "5"
    & skf21("4","3","6","2","1","3","4","1") = "5"
    & skf21("4","3","6","2","1","3","5","1") = "5"
    & skf21("4","3","6","2","1","3","6","1") = "5"
    & skf21("4","3","6","2","1","3","7","1") = "6"
    & skf21("4","3","6","2","1","4","1","1") = "5"
    & skf21("4","3","6","2","1","4","2","1") = "5"
    & skf21("4","3","6","2","1","4","3","1") = "5"
    & skf21("4","3","6","2","1","4","4","1") = "5"
    & skf21("4","3","6","2","1","4","5","1") = "5"
    & skf21("4","3","6","2","1","4","6","1") = "5"
    & skf21("4","3","6","2","1","4","7","1") = "6"
    & skf21("4","3","6","2","1","5","1","1") = "5"
    & skf21("4","3","6","2","1","5","2","1") = "5"
    & skf21("4","3","6","2","1","5","3","1") = "5"
    & skf21("4","3","6","2","1","5","4","1") = "5"
    & skf21("4","3","6","2","1","5","5","1") = "5"
    & skf21("4","3","6","2","1","5","6","1") = "5"
    & skf21("4","3","6","2","1","5","7","1") = "6"
    & skf21("4","3","6","2","1","6","1","1") = "5"
    & skf21("4","3","6","2","1","6","2","1") = "5"
    & skf21("4","3","6","2","1","6","3","1") = "5"
    & skf21("4","3","6","2","1","6","4","1") = "5"
    & skf21("4","3","6","2","1","6","5","1") = "5"
    & skf21("4","3","6","2","1","6","6","1") = "5"
    & skf21("4","3","6","2","1","6","7","1") = "6"
    & skf21("4","3","6","2","1","7","1","1") = "6"
    & skf21("4","3","6","2","1","7","2","1") = "6"
    & skf21("4","3","6","2","1","7","3","1") = "6"
    & skf21("4","3","6","2","1","7","4","1") = "6"
    & skf21("4","3","6","2","1","7","5","1") = "6"
    & skf21("4","3","6","2","1","7","6","1") = "6"
    & skf21("4","3","6","2","1","7","7","1") = "6"
    & skf21("4","3","6","2","2","1","1","1") = "5"
    & skf21("4","3","6","2","2","1","2","1") = "5"
    & skf21("4","3","6","2","2","1","3","1") = "5"
    & skf21("4","3","6","2","2","1","4","1") = "5"
    & skf21("4","3","6","2","2","1","5","1") = "5"
    & skf21("4","3","6","2","2","1","6","1") = "5"
    & skf21("4","3","6","2","2","1","7","1") = "6"
    & skf21("4","3","6","2","2","2","1","1") = "5"
    & skf21("4","3","6","2","2","2","2","1") = "5"
    & skf21("4","3","6","2","2","2","3","1") = "5"
    & skf21("4","3","6","2","2","2","4","1") = "5"
    & skf21("4","3","6","2","2","2","5","1") = "5"
    & skf21("4","3","6","2","2","2","6","1") = "5"
    & skf21("4","3","6","2","2","2","7","1") = "6"
    & skf21("4","3","6","2","2","3","1","1") = "5"
    & skf21("4","3","6","2","2","3","2","1") = "5"
    & skf21("4","3","6","2","2","3","3","1") = "5"
    & skf21("4","3","6","2","2","3","4","1") = "5"
    & skf21("4","3","6","2","2","3","5","1") = "5"
    & skf21("4","3","6","2","2","3","6","1") = "5"
    & skf21("4","3","6","2","2","3","7","1") = "6"
    & skf21("4","3","6","2","2","4","1","1") = "5"
    & skf21("4","3","6","2","2","4","2","1") = "5"
    & skf21("4","3","6","2","2","4","3","1") = "5"
    & skf21("4","3","6","2","2","4","4","1") = "5"
    & skf21("4","3","6","2","2","4","5","1") = "5"
    & skf21("4","3","6","2","2","4","6","1") = "5"
    & skf21("4","3","6","2","2","4","7","1") = "6"
    & skf21("4","3","6","2","2","5","1","1") = "5"
    & skf21("4","3","6","2","2","5","2","1") = "5"
    & skf21("4","3","6","2","2","5","3","1") = "5"
    & skf21("4","3","6","2","2","5","4","1") = "5"
    & skf21("4","3","6","2","2","5","5","1") = "5"
    & skf21("4","3","6","2","2","5","6","1") = "5"
    & skf21("4","3","6","2","2","5","7","1") = "6"
    & skf21("4","3","6","2","2","6","1","1") = "5"
    & skf21("4","3","6","2","2","6","2","1") = "5"
    & skf21("4","3","6","2","2","6","3","1") = "5"
    & skf21("4","3","6","2","2","6","4","1") = "5"
    & skf21("4","3","6","2","2","6","5","1") = "5"
    & skf21("4","3","6","2","2","6","6","1") = "5"
    & skf21("4","3","6","2","2","6","7","1") = "6"
    & skf21("4","3","6","2","2","7","1","1") = "6"
    & skf21("4","3","6","2","2","7","2","1") = "6"
    & skf21("4","3","6","2","2","7","3","1") = "6"
    & skf21("4","3","6","2","2","7","4","1") = "6"
    & skf21("4","3","6","2","2","7","5","1") = "6"
    & skf21("4","3","6","2","2","7","6","1") = "6"
    & skf21("4","3","6","2","2","7","7","1") = "6"
    & skf21("4","3","6","2","3","1","1","1") = "5"
    & skf21("4","3","6","2","3","1","2","1") = "5"
    & skf21("4","3","6","2","3","1","3","1") = "5"
    & skf21("4","3","6","2","3","1","4","1") = "5"
    & skf21("4","3","6","2","3","1","5","1") = "5"
    & skf21("4","3","6","2","3","1","6","1") = "5"
    & skf21("4","3","6","2","3","1","7","1") = "6"
    & skf21("4","3","6","2","3","2","1","1") = "5"
    & skf21("4","3","6","2","3","2","2","1") = "5"
    & skf21("4","3","6","2","3","2","3","1") = "5"
    & skf21("4","3","6","2","3","2","4","1") = "5"
    & skf21("4","3","6","2","3","2","5","1") = "5"
    & skf21("4","3","6","2","3","2","6","1") = "5"
    & skf21("4","3","6","2","3","2","7","1") = "6"
    & skf21("4","3","6","2","3","3","1","1") = "5"
    & skf21("4","3","6","2","3","3","2","1") = "5"
    & skf21("4","3","6","2","3","3","3","1") = "5"
    & skf21("4","3","6","2","3","3","4","1") = "5"
    & skf21("4","3","6","2","3","3","5","1") = "5"
    & skf21("4","3","6","2","3","3","6","1") = "5"
    & skf21("4","3","6","2","3","3","7","1") = "6"
    & skf21("4","3","6","2","3","4","1","1") = "5"
    & skf21("4","3","6","2","3","4","2","1") = "5"
    & skf21("4","3","6","2","3","4","3","1") = "5"
    & skf21("4","3","6","2","3","4","4","1") = "5"
    & skf21("4","3","6","2","3","4","5","1") = "5"
    & skf21("4","3","6","2","3","4","6","1") = "5"
    & skf21("4","3","6","2","3","4","7","1") = "6"
    & skf21("4","3","6","2","3","5","1","1") = "5"
    & skf21("4","3","6","2","3","5","2","1") = "5"
    & skf21("4","3","6","2","3","5","3","1") = "5"
    & skf21("4","3","6","2","3","5","4","1") = "5"
    & skf21("4","3","6","2","3","5","5","1") = "5"
    & skf21("4","3","6","2","3","5","6","1") = "5"
    & skf21("4","3","6","2","3","5","7","1") = "6"
    & skf21("4","3","6","2","3","6","1","1") = "5"
    & skf21("4","3","6","2","3","6","2","1") = "5"
    & skf21("4","3","6","2","3","6","3","1") = "5"
    & skf21("4","3","6","2","3","6","4","1") = "5"
    & skf21("4","3","6","2","3","6","5","1") = "5"
    & skf21("4","3","6","2","3","6","6","1") = "5"
    & skf21("4","3","6","2","3","6","7","1") = "6"
    & skf21("4","3","6","2","3","7","1","1") = "6"
    & skf21("4","3","6","2","3","7","2","1") = "6"
    & skf21("4","3","6","2","3","7","3","1") = "6"
    & skf21("4","3","6","2","3","7","4","1") = "6"
    & skf21("4","3","6","2","3","7","5","1") = "6"
    & skf21("4","3","6","2","3","7","6","1") = "6"
    & skf21("4","3","6","2","3","7","7","1") = "6"
    & skf21("4","3","6","2","4","1","1","1") = "5"
    & skf21("4","3","6","2","4","1","2","1") = "5"
    & skf21("4","3","6","2","4","1","3","1") = "5"
    & skf21("4","3","6","2","4","1","4","1") = "5"
    & skf21("4","3","6","2","4","1","5","1") = "5"
    & skf21("4","3","6","2","4","1","6","1") = "5"
    & skf21("4","3","6","2","4","1","7","1") = "6"
    & skf21("4","3","6","2","4","2","1","1") = "5"
    & skf21("4","3","6","2","4","2","2","1") = "5"
    & skf21("4","3","6","2","4","2","3","1") = "5"
    & skf21("4","3","6","2","4","2","4","1") = "5"
    & skf21("4","3","6","2","4","2","5","1") = "5"
    & skf21("4","3","6","2","4","2","6","1") = "5"
    & skf21("4","3","6","2","4","2","7","1") = "6"
    & skf21("4","3","6","2","4","3","1","1") = "5"
    & skf21("4","3","6","2","4","3","2","1") = "5"
    & skf21("4","3","6","2","4","3","3","1") = "5"
    & skf21("4","3","6","2","4","3","4","1") = "5"
    & skf21("4","3","6","2","4","3","5","1") = "5"
    & skf21("4","3","6","2","4","3","6","1") = "5"
    & skf21("4","3","6","2","4","3","7","1") = "6"
    & skf21("4","3","6","2","4","4","1","1") = "5"
    & skf21("4","3","6","2","4","4","2","1") = "5"
    & skf21("4","3","6","2","4","4","3","1") = "5"
    & skf21("4","3","6","2","4","4","4","1") = "5"
    & skf21("4","3","6","2","4","4","5","1") = "5"
    & skf21("4","3","6","2","4","4","6","1") = "5"
    & skf21("4","3","6","2","4","4","7","1") = "6"
    & skf21("4","3","6","2","4","5","1","1") = "5"
    & skf21("4","3","6","2","4","5","2","1") = "5"
    & skf21("4","3","6","2","4","5","3","1") = "5"
    & skf21("4","3","6","2","4","5","4","1") = "5"
    & skf21("4","3","6","2","4","5","5","1") = "5"
    & skf21("4","3","6","2","4","5","6","1") = "5"
    & skf21("4","3","6","2","4","5","7","1") = "6"
    & skf21("4","3","6","2","4","6","1","1") = "5"
    & skf21("4","3","6","2","4","6","2","1") = "5"
    & skf21("4","3","6","2","4","6","3","1") = "5"
    & skf21("4","3","6","2","4","6","4","1") = "5"
    & skf21("4","3","6","2","4","6","5","1") = "5"
    & skf21("4","3","6","2","4","6","6","1") = "5"
    & skf21("4","3","6","2","4","6","7","1") = "6"
    & skf21("4","3","6","2","4","7","1","1") = "6"
    & skf21("4","3","6","2","4","7","2","1") = "6"
    & skf21("4","3","6","2","4","7","3","1") = "6"
    & skf21("4","3","6","2","4","7","4","1") = "6"
    & skf21("4","3","6","2","4","7","5","1") = "6"
    & skf21("4","3","6","2","4","7","6","1") = "6"
    & skf21("4","3","6","2","4","7","7","1") = "6"
    & skf21("4","3","6","2","5","1","1","1") = "5"
    & skf21("4","3","6","2","5","1","2","1") = "5"
    & skf21("4","3","6","2","5","1","3","1") = "5"
    & skf21("4","3","6","2","5","1","4","1") = "5"
    & skf21("4","3","6","2","5","1","5","1") = "5"
    & skf21("4","3","6","2","5","1","6","1") = "5"
    & skf21("4","3","6","2","5","1","7","1") = "6"
    & skf21("4","3","6","2","5","2","1","1") = "5"
    & skf21("4","3","6","2","5","2","2","1") = "5"
    & skf21("4","3","6","2","5","2","3","1") = "5"
    & skf21("4","3","6","2","5","2","4","1") = "5"
    & skf21("4","3","6","2","5","2","5","1") = "5"
    & skf21("4","3","6","2","5","2","6","1") = "5"
    & skf21("4","3","6","2","5","2","7","1") = "6"
    & skf21("4","3","6","2","5","3","1","1") = "5"
    & skf21("4","3","6","2","5","3","2","1") = "5"
    & skf21("4","3","6","2","5","3","3","1") = "5"
    & skf21("4","3","6","2","5","3","4","1") = "5"
    & skf21("4","3","6","2","5","3","5","1") = "5"
    & skf21("4","3","6","2","5","3","6","1") = "5"
    & skf21("4","3","6","2","5","3","7","1") = "6"
    & skf21("4","3","6","2","5","4","1","1") = "5"
    & skf21("4","3","6","2","5","4","2","1") = "5"
    & skf21("4","3","6","2","5","4","3","1") = "5"
    & skf21("4","3","6","2","5","4","4","1") = "5"
    & skf21("4","3","6","2","5","4","5","1") = "5"
    & skf21("4","3","6","2","5","4","6","1") = "5"
    & skf21("4","3","6","2","5","4","7","1") = "6"
    & skf21("4","3","6","2","5","5","1","1") = "5"
    & skf21("4","3","6","2","5","5","2","1") = "5"
    & skf21("4","3","6","2","5","5","3","1") = "5"
    & skf21("4","3","6","2","5","5","4","1") = "5"
    & skf21("4","3","6","2","5","5","5","1") = "5"
    & skf21("4","3","6","2","5","5","6","1") = "5"
    & skf21("4","3","6","2","5","5","7","1") = "6"
    & skf21("4","3","6","2","5","6","1","1") = "5"
    & skf21("4","3","6","2","5","6","2","1") = "5"
    & skf21("4","3","6","2","5","6","3","1") = "5"
    & skf21("4","3","6","2","5","6","4","1") = "5"
    & skf21("4","3","6","2","5","6","5","1") = "5"
    & skf21("4","3","6","2","5","6","6","1") = "5"
    & skf21("4","3","6","2","5","6","7","1") = "6"
    & skf21("4","3","6","2","5","7","1","1") = "6"
    & skf21("4","3","6","2","5","7","2","1") = "6"
    & skf21("4","3","6","2","5","7","3","1") = "6"
    & skf21("4","3","6","2","5","7","4","1") = "6"
    & skf21("4","3","6","2","5","7","5","1") = "6"
    & skf21("4","3","6","2","5","7","6","1") = "6"
    & skf21("4","3","6","2","5","7","7","1") = "6"
    & skf21("4","3","6","2","6","1","1","1") = "5"
    & skf21("4","3","6","2","6","1","2","1") = "5"
    & skf21("4","3","6","2","6","1","3","1") = "5"
    & skf21("4","3","6","2","6","1","4","1") = "5"
    & skf21("4","3","6","2","6","1","5","1") = "5"
    & skf21("4","3","6","2","6","1","6","1") = "5"
    & skf21("4","3","6","2","6","1","7","1") = "6"
    & skf21("4","3","6","2","6","2","1","1") = "5"
    & skf21("4","3","6","2","6","2","2","1") = "5"
    & skf21("4","3","6","2","6","2","3","1") = "5"
    & skf21("4","3","6","2","6","2","4","1") = "5"
    & skf21("4","3","6","2","6","2","5","1") = "5"
    & skf21("4","3","6","2","6","2","6","1") = "5"
    & skf21("4","3","6","2","6","2","7","1") = "6"
    & skf21("4","3","6","2","6","3","1","1") = "5"
    & skf21("4","3","6","2","6","3","2","1") = "5"
    & skf21("4","3","6","2","6","3","3","1") = "5"
    & skf21("4","3","6","2","6","3","4","1") = "5"
    & skf21("4","3","6","2","6","3","5","1") = "5"
    & skf21("4","3","6","2","6","3","6","1") = "5"
    & skf21("4","3","6","2","6","3","7","1") = "6"
    & skf21("4","3","6","2","6","4","1","1") = "5"
    & skf21("4","3","6","2","6","4","2","1") = "5"
    & skf21("4","3","6","2","6","4","3","1") = "5"
    & skf21("4","3","6","2","6","4","4","1") = "5"
    & skf21("4","3","6","2","6","4","5","1") = "5"
    & skf21("4","3","6","2","6","4","6","1") = "5"
    & skf21("4","3","6","2","6","4","7","1") = "6"
    & skf21("4","3","6","2","6","5","1","1") = "5"
    & skf21("4","3","6","2","6","5","2","1") = "5"
    & skf21("4","3","6","2","6","5","3","1") = "5"
    & skf21("4","3","6","2","6","5","4","1") = "5"
    & skf21("4","3","6","2","6","5","5","1") = "5"
    & skf21("4","3","6","2","6","5","6","1") = "5"
    & skf21("4","3","6","2","6","5","7","1") = "6"
    & skf21("4","3","6","2","6","6","1","1") = "5"
    & skf21("4","3","6","2","6","6","2","1") = "5"
    & skf21("4","3","6","2","6","6","3","1") = "5"
    & skf21("4","3","6","2","6","6","4","1") = "5"
    & skf21("4","3","6","2","6","6","5","1") = "5"
    & skf21("4","3","6","2","6","6","6","1") = "5"
    & skf21("4","3","6","2","6","6","7","1") = "6"
    & skf21("4","3","6","2","6","7","1","1") = "6"
    & skf21("4","3","6","2","6","7","2","1") = "6"
    & skf21("4","3","6","2","6","7","3","1") = "6"
    & skf21("4","3","6","2","6","7","4","1") = "6"
    & skf21("4","3","6","2","6","7","5","1") = "6"
    & skf21("4","3","6","2","6","7","6","1") = "6"
    & skf21("4","3","6","2","6","7","7","1") = "6"
    & skf21("4","3","6","2","7","1","1","1") = "6"
    & skf21("4","3","6","2","7","1","2","1") = "6"
    & skf21("4","3","6","2","7","1","3","1") = "6"
    & skf21("4","3","6","2","7","1","4","1") = "6"
    & skf21("4","3","6","2","7","1","5","1") = "6"
    & skf21("4","3","6","2","7","1","6","1") = "6"
    & skf21("4","3","6","2","7","1","7","1") = "6"
    & skf21("4","3","6","2","7","2","1","1") = "6"
    & skf21("4","3","6","2","7","2","2","1") = "6"
    & skf21("4","3","6","2","7","2","3","1") = "6"
    & skf21("4","3","6","2","7","2","4","1") = "6"
    & skf21("4","3","6","2","7","2","5","1") = "6"
    & skf21("4","3","6","2","7","2","6","1") = "6"
    & skf21("4","3","6","2","7","2","7","1") = "6"
    & skf21("4","3","6","2","7","3","1","1") = "6"
    & skf21("4","3","6","2","7","3","2","1") = "6"
    & skf21("4","3","6","2","7","3","3","1") = "6"
    & skf21("4","3","6","2","7","3","4","1") = "6"
    & skf21("4","3","6","2","7","3","5","1") = "6"
    & skf21("4","3","6","2","7","3","6","1") = "6"
    & skf21("4","3","6","2","7","3","7","1") = "6"
    & skf21("4","3","6","2","7","4","1","1") = "6"
    & skf21("4","3","6","2","7","4","2","1") = "6"
    & skf21("4","3","6","2","7","4","3","1") = "6"
    & skf21("4","3","6","2","7","4","4","1") = "6"
    & skf21("4","3","6","2","7","4","5","1") = "6"
    & skf21("4","3","6","2","7","4","6","1") = "6"
    & skf21("4","3","6","2","7","4","7","1") = "6"
    & skf21("4","3","6","2","7","5","1","1") = "6"
    & skf21("4","3","6","2","7","5","2","1") = "6"
    & skf21("4","3","6","2","7","5","3","1") = "6"
    & skf21("4","3","6","2","7","5","4","1") = "6"
    & skf21("4","3","6","2","7","5","5","1") = "6"
    & skf21("4","3","6","2","7","5","6","1") = "6"
    & skf21("4","3","6","2","7","5","7","1") = "6"
    & skf21("4","3","6","2","7","6","1","1") = "6"
    & skf21("4","3","6","2","7","6","2","1") = "6"
    & skf21("4","3","6","2","7","6","3","1") = "6"
    & skf21("4","3","6","2","7","6","4","1") = "6"
    & skf21("4","3","6","2","7","6","5","1") = "6"
    & skf21("4","3","6","2","7","6","6","1") = "6"
    & skf21("4","3","6","2","7","6","7","1") = "6"
    & skf21("4","3","6","2","7","7","1","1") = "6"
    & skf21("4","3","6","2","7","7","2","1") = "6"
    & skf21("4","3","6","2","7","7","3","1") = "6"
    & skf21("4","3","6","2","7","7","4","1") = "6"
    & skf21("4","3","6","2","7","7","5","1") = "6"
    & skf21("4","3","6","2","7","7","6","1") = "6"
    & skf21("4","3","6","2","7","7","7","1") = "6"
    & skf21("4","3","6","3","1","1","1","1") = "5"
    & skf21("4","3","6","3","1","1","2","1") = "5"
    & skf21("4","3","6","3","1","1","3","1") = "5"
    & skf21("4","3","6","3","1","1","4","1") = "5"
    & skf21("4","3","6","3","1","1","5","1") = "5"
    & skf21("4","3","6","3","1","1","6","1") = "5"
    & skf21("4","3","6","3","1","1","7","1") = "6"
    & skf21("4","3","6","3","1","2","1","1") = "5"
    & skf21("4","3","6","3","1","2","2","1") = "5"
    & skf21("4","3","6","3","1","2","3","1") = "5"
    & skf21("4","3","6","3","1","2","4","1") = "5"
    & skf21("4","3","6","3","1","2","5","1") = "5"
    & skf21("4","3","6","3","1","2","6","1") = "5"
    & skf21("4","3","6","3","1","2","7","1") = "6"
    & skf21("4","3","6","3","1","3","1","1") = "5"
    & skf21("4","3","6","3","1","3","2","1") = "5"
    & skf21("4","3","6","3","1","3","3","1") = "5"
    & skf21("4","3","6","3","1","3","4","1") = "5"
    & skf21("4","3","6","3","1","3","5","1") = "5"
    & skf21("4","3","6","3","1","3","6","1") = "5"
    & skf21("4","3","6","3","1","3","7","1") = "6"
    & skf21("4","3","6","3","1","4","1","1") = "5"
    & skf21("4","3","6","3","1","4","2","1") = "5"
    & skf21("4","3","6","3","1","4","3","1") = "5"
    & skf21("4","3","6","3","1","4","4","1") = "5"
    & skf21("4","3","6","3","1","4","5","1") = "5"
    & skf21("4","3","6","3","1","4","6","1") = "5"
    & skf21("4","3","6","3","1","4","7","1") = "6"
    & skf21("4","3","6","3","1","5","1","1") = "5"
    & skf21("4","3","6","3","1","5","2","1") = "5"
    & skf21("4","3","6","3","1","5","3","1") = "5"
    & skf21("4","3","6","3","1","5","4","1") = "5"
    & skf21("4","3","6","3","1","5","5","1") = "5"
    & skf21("4","3","6","3","1","5","6","1") = "5"
    & skf21("4","3","6","3","1","5","7","1") = "6"
    & skf21("4","3","6","3","1","6","1","1") = "5"
    & skf21("4","3","6","3","1","6","2","1") = "5"
    & skf21("4","3","6","3","1","6","3","1") = "5"
    & skf21("4","3","6","3","1","6","4","1") = "5"
    & skf21("4","3","6","3","1","6","5","1") = "5"
    & skf21("4","3","6","3","1","6","6","1") = "5"
    & skf21("4","3","6","3","1","6","7","1") = "6"
    & skf21("4","3","6","3","1","7","1","1") = "6"
    & skf21("4","3","6","3","1","7","2","1") = "6"
    & skf21("4","3","6","3","1","7","3","1") = "6"
    & skf21("4","3","6","3","1","7","4","1") = "6"
    & skf21("4","3","6","3","1","7","5","1") = "6"
    & skf21("4","3","6","3","1","7","6","1") = "6"
    & skf21("4","3","6","3","1","7","7","1") = "6"
    & skf21("4","3","6","3","2","1","1","1") = "5"
    & skf21("4","3","6","3","2","1","2","1") = "5"
    & skf21("4","3","6","3","2","1","3","1") = "5"
    & skf21("4","3","6","3","2","1","4","1") = "5"
    & skf21("4","3","6","3","2","1","5","1") = "5"
    & skf21("4","3","6","3","2","1","6","1") = "5"
    & skf21("4","3","6","3","2","1","7","1") = "6"
    & skf21("4","3","6","3","2","2","1","1") = "5"
    & skf21("4","3","6","3","2","2","2","1") = "5"
    & skf21("4","3","6","3","2","2","3","1") = "5"
    & skf21("4","3","6","3","2","2","4","1") = "5"
    & skf21("4","3","6","3","2","2","5","1") = "5"
    & skf21("4","3","6","3","2","2","6","1") = "5"
    & skf21("4","3","6","3","2","2","7","1") = "6"
    & skf21("4","3","6","3","2","3","1","1") = "5"
    & skf21("4","3","6","3","2","3","2","1") = "5"
    & skf21("4","3","6","3","2","3","3","1") = "5"
    & skf21("4","3","6","3","2","3","4","1") = "5"
    & skf21("4","3","6","3","2","3","5","1") = "5"
    & skf21("4","3","6","3","2","3","6","1") = "5"
    & skf21("4","3","6","3","2","3","7","1") = "6"
    & skf21("4","3","6","3","2","4","1","1") = "5"
    & skf21("4","3","6","3","2","4","2","1") = "5"
    & skf21("4","3","6","3","2","4","3","1") = "5"
    & skf21("4","3","6","3","2","4","4","1") = "5"
    & skf21("4","3","6","3","2","4","5","1") = "5"
    & skf21("4","3","6","3","2","4","6","1") = "5"
    & skf21("4","3","6","3","2","4","7","1") = "6"
    & skf21("4","3","6","3","2","5","1","1") = "5"
    & skf21("4","3","6","3","2","5","2","1") = "5"
    & skf21("4","3","6","3","2","5","3","1") = "5"
    & skf21("4","3","6","3","2","5","4","1") = "5"
    & skf21("4","3","6","3","2","5","5","1") = "5"
    & skf21("4","3","6","3","2","5","6","1") = "5"
    & skf21("4","3","6","3","2","5","7","1") = "6"
    & skf21("4","3","6","3","2","6","1","1") = "5"
    & skf21("4","3","6","3","2","6","2","1") = "5"
    & skf21("4","3","6","3","2","6","3","1") = "5"
    & skf21("4","3","6","3","2","6","4","1") = "5"
    & skf21("4","3","6","3","2","6","5","1") = "5"
    & skf21("4","3","6","3","2","6","6","1") = "5"
    & skf21("4","3","6","3","2","6","7","1") = "6"
    & skf21("4","3","6","3","2","7","1","1") = "6"
    & skf21("4","3","6","3","2","7","2","1") = "6"
    & skf21("4","3","6","3","2","7","3","1") = "6"
    & skf21("4","3","6","3","2","7","4","1") = "6"
    & skf21("4","3","6","3","2","7","5","1") = "6"
    & skf21("4","3","6","3","2","7","6","1") = "6"
    & skf21("4","3","6","3","2","7","7","1") = "6"
    & skf21("4","3","6","3","3","1","1","1") = "5"
    & skf21("4","3","6","3","3","1","2","1") = "5"
    & skf21("4","3","6","3","3","1","3","1") = "5"
    & skf21("4","3","6","3","3","1","4","1") = "5"
    & skf21("4","3","6","3","3","1","5","1") = "5"
    & skf21("4","3","6","3","3","1","6","1") = "5"
    & skf21("4","3","6","3","3","1","7","1") = "6"
    & skf21("4","3","6","3","3","2","1","1") = "5"
    & skf21("4","3","6","3","3","2","2","1") = "5"
    & skf21("4","3","6","3","3","2","3","1") = "5"
    & skf21("4","3","6","3","3","2","4","1") = "5"
    & skf21("4","3","6","3","3","2","5","1") = "5"
    & skf21("4","3","6","3","3","2","6","1") = "5"
    & skf21("4","3","6","3","3","2","7","1") = "6"
    & skf21("4","3","6","3","3","3","1","1") = "5"
    & skf21("4","3","6","3","3","3","2","1") = "5"
    & skf21("4","3","6","3","3","3","3","1") = "5"
    & skf21("4","3","6","3","3","3","4","1") = "5"
    & skf21("4","3","6","3","3","3","5","1") = "5"
    & skf21("4","3","6","3","3","3","6","1") = "5"
    & skf21("4","3","6","3","3","3","7","1") = "6"
    & skf21("4","3","6","3","3","4","1","1") = "5"
    & skf21("4","3","6","3","3","4","2","1") = "5"
    & skf21("4","3","6","3","3","4","3","1") = "5"
    & skf21("4","3","6","3","3","4","4","1") = "5"
    & skf21("4","3","6","3","3","4","5","1") = "5"
    & skf21("4","3","6","3","3","4","6","1") = "5"
    & skf21("4","3","6","3","3","4","7","1") = "6"
    & skf21("4","3","6","3","3","5","1","1") = "5"
    & skf21("4","3","6","3","3","5","2","1") = "5"
    & skf21("4","3","6","3","3","5","3","1") = "5"
    & skf21("4","3","6","3","3","5","4","1") = "5"
    & skf21("4","3","6","3","3","5","5","1") = "5"
    & skf21("4","3","6","3","3","5","6","1") = "5"
    & skf21("4","3","6","3","3","5","7","1") = "6"
    & skf21("4","3","6","3","3","6","1","1") = "5"
    & skf21("4","3","6","3","3","6","2","1") = "5"
    & skf21("4","3","6","3","3","6","3","1") = "5"
    & skf21("4","3","6","3","3","6","4","1") = "5"
    & skf21("4","3","6","3","3","6","5","1") = "5"
    & skf21("4","3","6","3","3","6","6","1") = "5"
    & skf21("4","3","6","3","3","6","7","1") = "6"
    & skf21("4","3","6","3","3","7","1","1") = "6"
    & skf21("4","3","6","3","3","7","2","1") = "6"
    & skf21("4","3","6","3","3","7","3","1") = "6"
    & skf21("4","3","6","3","3","7","4","1") = "6"
    & skf21("4","3","6","3","3","7","5","1") = "6"
    & skf21("4","3","6","3","3","7","6","1") = "6"
    & skf21("4","3","6","3","3","7","7","1") = "6"
    & skf21("4","3","6","3","4","1","1","1") = "5"
    & skf21("4","3","6","3","4","1","2","1") = "5"
    & skf21("4","3","6","3","4","1","3","1") = "5"
    & skf21("4","3","6","3","4","1","4","1") = "5"
    & skf21("4","3","6","3","4","1","5","1") = "5"
    & skf21("4","3","6","3","4","1","6","1") = "5"
    & skf21("4","3","6","3","4","1","7","1") = "6"
    & skf21("4","3","6","3","4","2","1","1") = "5"
    & skf21("4","3","6","3","4","2","2","1") = "5"
    & skf21("4","3","6","3","4","2","3","1") = "5"
    & skf21("4","3","6","3","4","2","4","1") = "5"
    & skf21("4","3","6","3","4","2","5","1") = "5"
    & skf21("4","3","6","3","4","2","6","1") = "5"
    & skf21("4","3","6","3","4","2","7","1") = "6"
    & skf21("4","3","6","3","4","3","1","1") = "5"
    & skf21("4","3","6","3","4","3","2","1") = "5"
    & skf21("4","3","6","3","4","3","3","1") = "5"
    & skf21("4","3","6","3","4","3","4","1") = "5"
    & skf21("4","3","6","3","4","3","5","1") = "5"
    & skf21("4","3","6","3","4","3","6","1") = "5"
    & skf21("4","3","6","3","4","3","7","1") = "6"
    & skf21("4","3","6","3","4","4","1","1") = "5"
    & skf21("4","3","6","3","4","4","2","1") = "5"
    & skf21("4","3","6","3","4","4","3","1") = "5"
    & skf21("4","3","6","3","4","4","4","1") = "5"
    & skf21("4","3","6","3","4","4","5","1") = "5"
    & skf21("4","3","6","3","4","4","6","1") = "5"
    & skf21("4","3","6","3","4","4","7","1") = "6"
    & skf21("4","3","6","3","4","5","1","1") = "5"
    & skf21("4","3","6","3","4","5","2","1") = "5"
    & skf21("4","3","6","3","4","5","3","1") = "5"
    & skf21("4","3","6","3","4","5","4","1") = "5"
    & skf21("4","3","6","3","4","5","5","1") = "5"
    & skf21("4","3","6","3","4","5","6","1") = "5"
    & skf21("4","3","6","3","4","5","7","1") = "6"
    & skf21("4","3","6","3","4","6","1","1") = "5"
    & skf21("4","3","6","3","4","6","2","1") = "5"
    & skf21("4","3","6","3","4","6","3","1") = "5"
    & skf21("4","3","6","3","4","6","4","1") = "5"
    & skf21("4","3","6","3","4","6","5","1") = "5"
    & skf21("4","3","6","3","4","6","6","1") = "5"
    & skf21("4","3","6","3","4","6","7","1") = "6"
    & skf21("4","3","6","3","4","7","1","1") = "6"
    & skf21("4","3","6","3","4","7","2","1") = "6"
    & skf21("4","3","6","3","4","7","3","1") = "6"
    & skf21("4","3","6","3","4","7","4","1") = "6"
    & skf21("4","3","6","3","4","7","5","1") = "6"
    & skf21("4","3","6","3","4","7","6","1") = "6"
    & skf21("4","3","6","3","4","7","7","1") = "6"
    & skf21("4","3","6","3","5","1","1","1") = "5"
    & skf21("4","3","6","3","5","1","2","1") = "5"
    & skf21("4","3","6","3","5","1","3","1") = "5"
    & skf21("4","3","6","3","5","1","4","1") = "5"
    & skf21("4","3","6","3","5","1","5","1") = "5"
    & skf21("4","3","6","3","5","1","6","1") = "5"
    & skf21("4","3","6","3","5","1","7","1") = "6"
    & skf21("4","3","6","3","5","2","1","1") = "5"
    & skf21("4","3","6","3","5","2","2","1") = "5"
    & skf21("4","3","6","3","5","2","3","1") = "5"
    & skf21("4","3","6","3","5","2","4","1") = "5"
    & skf21("4","3","6","3","5","2","5","1") = "5"
    & skf21("4","3","6","3","5","2","6","1") = "5"
    & skf21("4","3","6","3","5","2","7","1") = "6"
    & skf21("4","3","6","3","5","3","1","1") = "5"
    & skf21("4","3","6","3","5","3","2","1") = "5"
    & skf21("4","3","6","3","5","3","3","1") = "5"
    & skf21("4","3","6","3","5","3","4","1") = "5"
    & skf21("4","3","6","3","5","3","5","1") = "5"
    & skf21("4","3","6","3","5","3","6","1") = "5"
    & skf21("4","3","6","3","5","3","7","1") = "6"
    & skf21("4","3","6","3","5","4","1","1") = "5"
    & skf21("4","3","6","3","5","4","2","1") = "5"
    & skf21("4","3","6","3","5","4","3","1") = "5"
    & skf21("4","3","6","3","5","4","4","1") = "5"
    & skf21("4","3","6","3","5","4","5","1") = "5"
    & skf21("4","3","6","3","5","4","6","1") = "5"
    & skf21("4","3","6","3","5","4","7","1") = "6"
    & skf21("4","3","6","3","5","5","1","1") = "5"
    & skf21("4","3","6","3","5","5","2","1") = "5"
    & skf21("4","3","6","3","5","5","3","1") = "5"
    & skf21("4","3","6","3","5","5","4","1") = "5"
    & skf21("4","3","6","3","5","5","5","1") = "5"
    & skf21("4","3","6","3","5","5","6","1") = "5"
    & skf21("4","3","6","3","5","5","7","1") = "6"
    & skf21("4","3","6","3","5","6","1","1") = "5"
    & skf21("4","3","6","3","5","6","2","1") = "5"
    & skf21("4","3","6","3","5","6","3","1") = "5"
    & skf21("4","3","6","3","5","6","4","1") = "5"
    & skf21("4","3","6","3","5","6","5","1") = "5"
    & skf21("4","3","6","3","5","6","6","1") = "5"
    & skf21("4","3","6","3","5","6","7","1") = "6"
    & skf21("4","3","6","3","5","7","1","1") = "6"
    & skf21("4","3","6","3","5","7","2","1") = "6"
    & skf21("4","3","6","3","5","7","3","1") = "6"
    & skf21("4","3","6","3","5","7","4","1") = "6"
    & skf21("4","3","6","3","5","7","5","1") = "6"
    & skf21("4","3","6","3","5","7","6","1") = "6"
    & skf21("4","3","6","3","5","7","7","1") = "6"
    & skf21("4","3","6","3","6","1","1","1") = "5"
    & skf21("4","3","6","3","6","1","2","1") = "5"
    & skf21("4","3","6","3","6","1","3","1") = "5"
    & skf21("4","3","6","3","6","1","4","1") = "5"
    & skf21("4","3","6","3","6","1","5","1") = "5"
    & skf21("4","3","6","3","6","1","6","1") = "5"
    & skf21("4","3","6","3","6","1","7","1") = "6"
    & skf21("4","3","6","3","6","2","1","1") = "5"
    & skf21("4","3","6","3","6","2","2","1") = "5"
    & skf21("4","3","6","3","6","2","3","1") = "5"
    & skf21("4","3","6","3","6","2","4","1") = "5"
    & skf21("4","3","6","3","6","2","5","1") = "5"
    & skf21("4","3","6","3","6","2","6","1") = "5"
    & skf21("4","3","6","3","6","2","7","1") = "6"
    & skf21("4","3","6","3","6","3","1","1") = "5"
    & skf21("4","3","6","3","6","3","2","1") = "5"
    & skf21("4","3","6","3","6","3","3","1") = "5"
    & skf21("4","3","6","3","6","3","4","1") = "5"
    & skf21("4","3","6","3","6","3","5","1") = "5"
    & skf21("4","3","6","3","6","3","6","1") = "5"
    & skf21("4","3","6","3","6","3","7","1") = "6"
    & skf21("4","3","6","3","6","4","1","1") = "5"
    & skf21("4","3","6","3","6","4","2","1") = "5"
    & skf21("4","3","6","3","6","4","3","1") = "5"
    & skf21("4","3","6","3","6","4","4","1") = "5"
    & skf21("4","3","6","3","6","4","5","1") = "5"
    & skf21("4","3","6","3","6","4","6","1") = "5"
    & skf21("4","3","6","3","6","4","7","1") = "6"
    & skf21("4","3","6","3","6","5","1","1") = "5"
    & skf21("4","3","6","3","6","5","2","1") = "5"
    & skf21("4","3","6","3","6","5","3","1") = "5"
    & skf21("4","3","6","3","6","5","4","1") = "5"
    & skf21("4","3","6","3","6","5","5","1") = "5"
    & skf21("4","3","6","3","6","5","6","1") = "5"
    & skf21("4","3","6","3","6","5","7","1") = "6"
    & skf21("4","3","6","3","6","6","1","1") = "5"
    & skf21("4","3","6","3","6","6","2","1") = "5"
    & skf21("4","3","6","3","6","6","3","1") = "5"
    & skf21("4","3","6","3","6","6","4","1") = "5"
    & skf21("4","3","6","3","6","6","5","1") = "5"
    & skf21("4","3","6","3","6","6","6","1") = "5"
    & skf21("4","3","6","3","6","6","7","1") = "6"
    & skf21("4","3","6","3","6","7","1","1") = "6"
    & skf21("4","3","6","3","6","7","2","1") = "6"
    & skf21("4","3","6","3","6","7","3","1") = "6"
    & skf21("4","3","6","3","6","7","4","1") = "6"
    & skf21("4","3","6","3","6","7","5","1") = "6"
    & skf21("4","3","6","3","6","7","6","1") = "6"
    & skf21("4","3","6","3","6","7","7","1") = "6"
    & skf21("4","3","6","3","7","1","1","1") = "6"
    & skf21("4","3","6","3","7","1","2","1") = "6"
    & skf21("4","3","6","3","7","1","3","1") = "6"
    & skf21("4","3","6","3","7","1","4","1") = "6"
    & skf21("4","3","6","3","7","1","5","1") = "6"
    & skf21("4","3","6","3","7","1","6","1") = "6"
    & skf21("4","3","6","3","7","1","7","1") = "6"
    & skf21("4","3","6","3","7","2","1","1") = "6"
    & skf21("4","3","6","3","7","2","2","1") = "6"
    & skf21("4","3","6","3","7","2","3","1") = "6"
    & skf21("4","3","6","3","7","2","4","1") = "6"
    & skf21("4","3","6","3","7","2","5","1") = "6"
    & skf21("4","3","6","3","7","2","6","1") = "6"
    & skf21("4","3","6","3","7","2","7","1") = "6"
    & skf21("4","3","6","3","7","3","1","1") = "6"
    & skf21("4","3","6","3","7","3","2","1") = "6"
    & skf21("4","3","6","3","7","3","3","1") = "6"
    & skf21("4","3","6","3","7","3","4","1") = "6"
    & skf21("4","3","6","3","7","3","5","1") = "6"
    & skf21("4","3","6","3","7","3","6","1") = "6"
    & skf21("4","3","6","3","7","3","7","1") = "6"
    & skf21("4","3","6","3","7","4","1","1") = "6"
    & skf21("4","3","6","3","7","4","2","1") = "6"
    & skf21("4","3","6","3","7","4","3","1") = "6"
    & skf21("4","3","6","3","7","4","4","1") = "6"
    & skf21("4","3","6","3","7","4","5","1") = "6"
    & skf21("4","3","6","3","7","4","6","1") = "6"
    & skf21("4","3","6","3","7","4","7","1") = "6"
    & skf21("4","3","6","3","7","5","1","1") = "6"
    & skf21("4","3","6","3","7","5","2","1") = "6"
    & skf21("4","3","6","3","7","5","3","1") = "6"
    & skf21("4","3","6","3","7","5","4","1") = "6"
    & skf21("4","3","6","3","7","5","5","1") = "6"
    & skf21("4","3","6","3","7","5","6","1") = "6"
    & skf21("4","3","6","3","7","5","7","1") = "6"
    & skf21("4","3","6","3","7","6","1","1") = "6"
    & skf21("4","3","6","3","7","6","2","1") = "6"
    & skf21("4","3","6","3","7","6","3","1") = "6"
    & skf21("4","3","6","3","7","6","4","1") = "6"
    & skf21("4","3","6","3","7","6","5","1") = "6"
    & skf21("4","3","6","3","7","6","6","1") = "6"
    & skf21("4","3","6","3","7","6","7","1") = "6"
    & skf21("4","3","6","3","7","7","1","1") = "6"
    & skf21("4","3","6","3","7","7","2","1") = "6"
    & skf21("4","3","6","3","7","7","3","1") = "6"
    & skf21("4","3","6","3","7","7","4","1") = "6"
    & skf21("4","3","6","3","7","7","5","1") = "6"
    & skf21("4","3","6","3","7","7","6","1") = "6"
    & skf21("4","3","6","3","7","7","7","1") = "6"
    & skf21("4","3","6","4","1","1","1","1") = "5"
    & skf21("4","3","6","4","1","1","2","1") = "5"
    & skf21("4","3","6","4","1","1","3","1") = "5"
    & skf21("4","3","6","4","1","1","4","1") = "5"
    & skf21("4","3","6","4","1","1","5","1") = "5"
    & skf21("4","3","6","4","1","1","6","1") = "5"
    & skf21("4","3","6","4","1","1","7","1") = "6"
    & skf21("4","3","6","4","1","2","1","1") = "5"
    & skf21("4","3","6","4","1","2","2","1") = "5"
    & skf21("4","3","6","4","1","2","3","1") = "5"
    & skf21("4","3","6","4","1","2","4","1") = "5"
    & skf21("4","3","6","4","1","2","5","1") = "5"
    & skf21("4","3","6","4","1","2","6","1") = "5"
    & skf21("4","3","6","4","1","2","7","1") = "6"
    & skf21("4","3","6","4","1","3","1","1") = "5"
    & skf21("4","3","6","4","1","3","2","1") = "5"
    & skf21("4","3","6","4","1","3","3","1") = "5"
    & skf21("4","3","6","4","1","3","4","1") = "5"
    & skf21("4","3","6","4","1","3","5","1") = "5"
    & skf21("4","3","6","4","1","3","6","1") = "5"
    & skf21("4","3","6","4","1","3","7","1") = "6"
    & skf21("4","3","6","4","1","4","1","1") = "5"
    & skf21("4","3","6","4","1","4","2","1") = "5"
    & skf21("4","3","6","4","1","4","3","1") = "5"
    & skf21("4","3","6","4","1","4","4","1") = "5"
    & skf21("4","3","6","4","1","4","5","1") = "5"
    & skf21("4","3","6","4","1","4","6","1") = "5"
    & skf21("4","3","6","4","1","4","7","1") = "6"
    & skf21("4","3","6","4","1","5","1","1") = "5"
    & skf21("4","3","6","4","1","5","2","1") = "5"
    & skf21("4","3","6","4","1","5","3","1") = "5"
    & skf21("4","3","6","4","1","5","4","1") = "5"
    & skf21("4","3","6","4","1","5","5","1") = "5"
    & skf21("4","3","6","4","1","5","6","1") = "5"
    & skf21("4","3","6","4","1","5","7","1") = "6"
    & skf21("4","3","6","4","1","6","1","1") = "5"
    & skf21("4","3","6","4","1","6","2","1") = "5"
    & skf21("4","3","6","4","1","6","3","1") = "5"
    & skf21("4","3","6","4","1","6","4","1") = "5"
    & skf21("4","3","6","4","1","6","5","1") = "5"
    & skf21("4","3","6","4","1","6","6","1") = "5"
    & skf21("4","3","6","4","1","6","7","1") = "6"
    & skf21("4","3","6","4","1","7","1","1") = "6"
    & skf21("4","3","6","4","1","7","2","1") = "6"
    & skf21("4","3","6","4","1","7","3","1") = "6"
    & skf21("4","3","6","4","1","7","4","1") = "6"
    & skf21("4","3","6","4","1","7","5","1") = "6"
    & skf21("4","3","6","4","1","7","6","1") = "6"
    & skf21("4","3","6","4","1","7","7","1") = "6"
    & skf21("4","3","6","4","2","1","1","1") = "5"
    & skf21("4","3","6","4","2","1","2","1") = "5"
    & skf21("4","3","6","4","2","1","3","1") = "5"
    & skf21("4","3","6","4","2","1","4","1") = "5"
    & skf21("4","3","6","4","2","1","5","1") = "5"
    & skf21("4","3","6","4","2","1","6","1") = "5"
    & skf21("4","3","6","4","2","1","7","1") = "6"
    & skf21("4","3","6","4","2","2","1","1") = "5"
    & skf21("4","3","6","4","2","2","2","1") = "5"
    & skf21("4","3","6","4","2","2","3","1") = "5"
    & skf21("4","3","6","4","2","2","4","1") = "5"
    & skf21("4","3","6","4","2","2","5","1") = "5"
    & skf21("4","3","6","4","2","2","6","1") = "5"
    & skf21("4","3","6","4","2","2","7","1") = "6"
    & skf21("4","3","6","4","2","3","1","1") = "5"
    & skf21("4","3","6","4","2","3","2","1") = "5"
    & skf21("4","3","6","4","2","3","3","1") = "5"
    & skf21("4","3","6","4","2","3","4","1") = "5"
    & skf21("4","3","6","4","2","3","5","1") = "5"
    & skf21("4","3","6","4","2","3","6","1") = "5"
    & skf21("4","3","6","4","2","3","7","1") = "6"
    & skf21("4","3","6","4","2","4","1","1") = "5"
    & skf21("4","3","6","4","2","4","2","1") = "5"
    & skf21("4","3","6","4","2","4","3","1") = "5"
    & skf21("4","3","6","4","2","4","4","1") = "5"
    & skf21("4","3","6","4","2","4","5","1") = "5"
    & skf21("4","3","6","4","2","4","6","1") = "5"
    & skf21("4","3","6","4","2","4","7","1") = "6"
    & skf21("4","3","6","4","2","5","1","1") = "5"
    & skf21("4","3","6","4","2","5","2","1") = "5"
    & skf21("4","3","6","4","2","5","3","1") = "5"
    & skf21("4","3","6","4","2","5","4","1") = "5"
    & skf21("4","3","6","4","2","5","5","1") = "5"
    & skf21("4","3","6","4","2","5","6","1") = "5"
    & skf21("4","3","6","4","2","5","7","1") = "6"
    & skf21("4","3","6","4","2","6","1","1") = "5"
    & skf21("4","3","6","4","2","6","2","1") = "5"
    & skf21("4","3","6","4","2","6","3","1") = "5"
    & skf21("4","3","6","4","2","6","4","1") = "5"
    & skf21("4","3","6","4","2","6","5","1") = "5"
    & skf21("4","3","6","4","2","6","6","1") = "5"
    & skf21("4","3","6","4","2","6","7","1") = "6"
    & skf21("4","3","6","4","2","7","1","1") = "6"
    & skf21("4","3","6","4","2","7","2","1") = "6"
    & skf21("4","3","6","4","2","7","3","1") = "6"
    & skf21("4","3","6","4","2","7","4","1") = "6"
    & skf21("4","3","6","4","2","7","5","1") = "6"
    & skf21("4","3","6","4","2","7","6","1") = "6"
    & skf21("4","3","6","4","2","7","7","1") = "6"
    & skf21("4","3","6","4","3","1","1","1") = "5"
    & skf21("4","3","6","4","3","1","2","1") = "5"
    & skf21("4","3","6","4","3","1","3","1") = "5"
    & skf21("4","3","6","4","3","1","4","1") = "5"
    & skf21("4","3","6","4","3","1","5","1") = "5"
    & skf21("4","3","6","4","3","1","6","1") = "5"
    & skf21("4","3","6","4","3","1","7","1") = "6"
    & skf21("4","3","6","4","3","2","1","1") = "5"
    & skf21("4","3","6","4","3","2","2","1") = "5"
    & skf21("4","3","6","4","3","2","3","1") = "5"
    & skf21("4","3","6","4","3","2","4","1") = "5"
    & skf21("4","3","6","4","3","2","5","1") = "5"
    & skf21("4","3","6","4","3","2","6","1") = "5"
    & skf21("4","3","6","4","3","2","7","1") = "6"
    & skf21("4","3","6","4","3","3","1","1") = "5"
    & skf21("4","3","6","4","3","3","2","1") = "5"
    & skf21("4","3","6","4","3","3","3","1") = "5"
    & skf21("4","3","6","4","3","3","4","1") = "5"
    & skf21("4","3","6","4","3","3","5","1") = "5"
    & skf21("4","3","6","4","3","3","6","1") = "5"
    & skf21("4","3","6","4","3","3","7","1") = "6"
    & skf21("4","3","6","4","3","4","1","1") = "5"
    & skf21("4","3","6","4","3","4","2","1") = "5"
    & skf21("4","3","6","4","3","4","3","1") = "5"
    & skf21("4","3","6","4","3","4","4","1") = "5"
    & skf21("4","3","6","4","3","4","5","1") = "5"
    & skf21("4","3","6","4","3","4","6","1") = "5"
    & skf21("4","3","6","4","3","4","7","1") = "6"
    & skf21("4","3","6","4","3","5","1","1") = "5"
    & skf21("4","3","6","4","3","5","2","1") = "5"
    & skf21("4","3","6","4","3","5","3","1") = "5"
    & skf21("4","3","6","4","3","5","4","1") = "5"
    & skf21("4","3","6","4","3","5","5","1") = "5"
    & skf21("4","3","6","4","3","5","6","1") = "5"
    & skf21("4","3","6","4","3","5","7","1") = "6"
    & skf21("4","3","6","4","3","6","1","1") = "5"
    & skf21("4","3","6","4","3","6","2","1") = "5"
    & skf21("4","3","6","4","3","6","3","1") = "5"
    & skf21("4","3","6","4","3","6","4","1") = "5"
    & skf21("4","3","6","4","3","6","5","1") = "5"
    & skf21("4","3","6","4","3","6","6","1") = "5"
    & skf21("4","3","6","4","3","6","7","1") = "6"
    & skf21("4","3","6","4","3","7","1","1") = "6"
    & skf21("4","3","6","4","3","7","2","1") = "6"
    & skf21("4","3","6","4","3","7","3","1") = "6"
    & skf21("4","3","6","4","3","7","4","1") = "6"
    & skf21("4","3","6","4","3","7","5","1") = "6"
    & skf21("4","3","6","4","3","7","6","1") = "6"
    & skf21("4","3","6","4","3","7","7","1") = "6"
    & skf21("4","3","6","4","4","1","1","1") = "5"
    & skf21("4","3","6","4","4","1","2","1") = "5"
    & skf21("4","3","6","4","4","1","3","1") = "5"
    & skf21("4","3","6","4","4","1","4","1") = "5"
    & skf21("4","3","6","4","4","1","5","1") = "5"
    & skf21("4","3","6","4","4","1","6","1") = "5"
    & skf21("4","3","6","4","4","1","7","1") = "6"
    & skf21("4","3","6","4","4","2","1","1") = "5"
    & skf21("4","3","6","4","4","2","2","1") = "5"
    & skf21("4","3","6","4","4","2","3","1") = "5"
    & skf21("4","3","6","4","4","2","4","1") = "5"
    & skf21("4","3","6","4","4","2","5","1") = "5"
    & skf21("4","3","6","4","4","2","6","1") = "5"
    & skf21("4","3","6","4","4","2","7","1") = "6"
    & skf21("4","3","6","4","4","3","1","1") = "5"
    & skf21("4","3","6","4","4","3","2","1") = "5"
    & skf21("4","3","6","4","4","3","3","1") = "5"
    & skf21("4","3","6","4","4","3","4","1") = "5"
    & skf21("4","3","6","4","4","3","5","1") = "5"
    & skf21("4","3","6","4","4","3","6","1") = "5"
    & skf21("4","3","6","4","4","3","7","1") = "6"
    & skf21("4","3","6","4","4","4","1","1") = "5"
    & skf21("4","3","6","4","4","4","2","1") = "5"
    & skf21("4","3","6","4","4","4","3","1") = "5"
    & skf21("4","3","6","4","4","4","4","1") = "5"
    & skf21("4","3","6","4","4","4","5","1") = "5"
    & skf21("4","3","6","4","4","4","6","1") = "5"
    & skf21("4","3","6","4","4","4","7","1") = "6"
    & skf21("4","3","6","4","4","5","1","1") = "5"
    & skf21("4","3","6","4","4","5","2","1") = "5"
    & skf21("4","3","6","4","4","5","3","1") = "5"
    & skf21("4","3","6","4","4","5","4","1") = "5"
    & skf21("4","3","6","4","4","5","5","1") = "5"
    & skf21("4","3","6","4","4","5","6","1") = "5"
    & skf21("4","3","6","4","4","5","7","1") = "6"
    & skf21("4","3","6","4","4","6","1","1") = "5"
    & skf21("4","3","6","4","4","6","2","1") = "5"
    & skf21("4","3","6","4","4","6","3","1") = "5"
    & skf21("4","3","6","4","4","6","4","1") = "5"
    & skf21("4","3","6","4","4","6","5","1") = "5"
    & skf21("4","3","6","4","4","6","6","1") = "5"
    & skf21("4","3","6","4","4","6","7","1") = "6"
    & skf21("4","3","6","4","4","7","1","1") = "6"
    & skf21("4","3","6","4","4","7","2","1") = "6"
    & skf21("4","3","6","4","4","7","3","1") = "6"
    & skf21("4","3","6","4","4","7","4","1") = "6"
    & skf21("4","3","6","4","4","7","5","1") = "6"
    & skf21("4","3","6","4","4","7","6","1") = "6"
    & skf21("4","3","6","4","4","7","7","1") = "6"
    & skf21("4","3","6","4","5","1","1","1") = "5"
    & skf21("4","3","6","4","5","1","2","1") = "5"
    & skf21("4","3","6","4","5","1","3","1") = "5"
    & skf21("4","3","6","4","5","1","4","1") = "5"
    & skf21("4","3","6","4","5","1","5","1") = "5"
    & skf21("4","3","6","4","5","1","6","1") = "5"
    & skf21("4","3","6","4","5","1","7","1") = "6"
    & skf21("4","3","6","4","5","2","1","1") = "5"
    & skf21("4","3","6","4","5","2","2","1") = "5"
    & skf21("4","3","6","4","5","2","3","1") = "5"
    & skf21("4","3","6","4","5","2","4","1") = "5"
    & skf21("4","3","6","4","5","2","5","1") = "5"
    & skf21("4","3","6","4","5","2","6","1") = "5"
    & skf21("4","3","6","4","5","2","7","1") = "6"
    & skf21("4","3","6","4","5","3","1","1") = "5"
    & skf21("4","3","6","4","5","3","2","1") = "5"
    & skf21("4","3","6","4","5","3","3","1") = "5"
    & skf21("4","3","6","4","5","3","4","1") = "5"
    & skf21("4","3","6","4","5","3","5","1") = "5"
    & skf21("4","3","6","4","5","3","6","1") = "5"
    & skf21("4","3","6","4","5","3","7","1") = "6"
    & skf21("4","3","6","4","5","4","1","1") = "5"
    & skf21("4","3","6","4","5","4","2","1") = "5"
    & skf21("4","3","6","4","5","4","3","1") = "5"
    & skf21("4","3","6","4","5","4","4","1") = "5"
    & skf21("4","3","6","4","5","4","5","1") = "5"
    & skf21("4","3","6","4","5","4","6","1") = "5"
    & skf21("4","3","6","4","5","4","7","1") = "6"
    & skf21("4","3","6","4","5","5","1","1") = "5"
    & skf21("4","3","6","4","5","5","2","1") = "5"
    & skf21("4","3","6","4","5","5","3","1") = "5"
    & skf21("4","3","6","4","5","5","4","1") = "5"
    & skf21("4","3","6","4","5","5","5","1") = "5"
    & skf21("4","3","6","4","5","5","6","1") = "5"
    & skf21("4","3","6","4","5","5","7","1") = "6"
    & skf21("4","3","6","4","5","6","1","1") = "5"
    & skf21("4","3","6","4","5","6","2","1") = "5"
    & skf21("4","3","6","4","5","6","3","1") = "5"
    & skf21("4","3","6","4","5","6","4","1") = "5"
    & skf21("4","3","6","4","5","6","5","1") = "5"
    & skf21("4","3","6","4","5","6","6","1") = "5"
    & skf21("4","3","6","4","5","6","7","1") = "6"
    & skf21("4","3","6","4","5","7","1","1") = "6"
    & skf21("4","3","6","4","5","7","2","1") = "6"
    & skf21("4","3","6","4","5","7","3","1") = "6"
    & skf21("4","3","6","4","5","7","4","1") = "6"
    & skf21("4","3","6","4","5","7","5","1") = "6"
    & skf21("4","3","6","4","5","7","6","1") = "6"
    & skf21("4","3","6","4","5","7","7","1") = "6"
    & skf21("4","3","6","4","6","1","1","1") = "5"
    & skf21("4","3","6","4","6","1","2","1") = "5"
    & skf21("4","3","6","4","6","1","3","1") = "5"
    & skf21("4","3","6","4","6","1","4","1") = "5"
    & skf21("4","3","6","4","6","1","5","1") = "5"
    & skf21("4","3","6","4","6","1","6","1") = "5"
    & skf21("4","3","6","4","6","1","7","1") = "6"
    & skf21("4","3","6","4","6","2","1","1") = "5"
    & skf21("4","3","6","4","6","2","2","1") = "5"
    & skf21("4","3","6","4","6","2","3","1") = "5"
    & skf21("4","3","6","4","6","2","4","1") = "5"
    & skf21("4","3","6","4","6","2","5","1") = "5"
    & skf21("4","3","6","4","6","2","6","1") = "5"
    & skf21("4","3","6","4","6","2","7","1") = "6"
    & skf21("4","3","6","4","6","3","1","1") = "5"
    & skf21("4","3","6","4","6","3","2","1") = "5"
    & skf21("4","3","6","4","6","3","3","1") = "5"
    & skf21("4","3","6","4","6","3","4","1") = "5"
    & skf21("4","3","6","4","6","3","5","1") = "5"
    & skf21("4","3","6","4","6","3","6","1") = "5"
    & skf21("4","3","6","4","6","3","7","1") = "6"
    & skf21("4","3","6","4","6","4","1","1") = "5"
    & skf21("4","3","6","4","6","4","2","1") = "5"
    & skf21("4","3","6","4","6","4","3","1") = "5"
    & skf21("4","3","6","4","6","4","4","1") = "5"
    & skf21("4","3","6","4","6","4","5","1") = "5"
    & skf21("4","3","6","4","6","4","6","1") = "5"
    & skf21("4","3","6","4","6","4","7","1") = "6"
    & skf21("4","3","6","4","6","5","1","1") = "5"
    & skf21("4","3","6","4","6","5","2","1") = "5"
    & skf21("4","3","6","4","6","5","3","1") = "5"
    & skf21("4","3","6","4","6","5","4","1") = "5"
    & skf21("4","3","6","4","6","5","5","1") = "5"
    & skf21("4","3","6","4","6","5","6","1") = "5"
    & skf21("4","3","6","4","6","5","7","1") = "6"
    & skf21("4","3","6","4","6","6","1","1") = "5"
    & skf21("4","3","6","4","6","6","2","1") = "5"
    & skf21("4","3","6","4","6","6","3","1") = "5"
    & skf21("4","3","6","4","6","6","4","1") = "5"
    & skf21("4","3","6","4","6","6","5","1") = "5"
    & skf21("4","3","6","4","6","6","6","1") = "5"
    & skf21("4","3","6","4","6","6","7","1") = "6"
    & skf21("4","3","6","4","6","7","1","1") = "6"
    & skf21("4","3","6","4","6","7","2","1") = "6"
    & skf21("4","3","6","4","6","7","3","1") = "6"
    & skf21("4","3","6","4","6","7","4","1") = "6"
    & skf21("4","3","6","4","6","7","5","1") = "6"
    & skf21("4","3","6","4","6","7","6","1") = "6"
    & skf21("4","3","6","4","6","7","7","1") = "6"
    & skf21("4","3","6","4","7","1","1","1") = "6"
    & skf21("4","3","6","4","7","1","2","1") = "6"
    & skf21("4","3","6","4","7","1","3","1") = "6"
    & skf21("4","3","6","4","7","1","4","1") = "6"
    & skf21("4","3","6","4","7","1","5","1") = "6"
    & skf21("4","3","6","4","7","1","6","1") = "6"
    & skf21("4","3","6","4","7","1","7","1") = "6"
    & skf21("4","3","6","4","7","2","1","1") = "6"
    & skf21("4","3","6","4","7","2","2","1") = "6"
    & skf21("4","3","6","4","7","2","3","1") = "6"
    & skf21("4","3","6","4","7","2","4","1") = "6"
    & skf21("4","3","6","4","7","2","5","1") = "6"
    & skf21("4","3","6","4","7","2","6","1") = "6"
    & skf21("4","3","6","4","7","2","7","1") = "6"
    & skf21("4","3","6","4","7","3","1","1") = "6"
    & skf21("4","3","6","4","7","3","2","1") = "6"
    & skf21("4","3","6","4","7","3","3","1") = "6"
    & skf21("4","3","6","4","7","3","4","1") = "6"
    & skf21("4","3","6","4","7","3","5","1") = "6"
    & skf21("4","3","6","4","7","3","6","1") = "6"
    & skf21("4","3","6","4","7","3","7","1") = "6"
    & skf21("4","3","6","4","7","4","1","1") = "6"
    & skf21("4","3","6","4","7","4","2","1") = "6"
    & skf21("4","3","6","4","7","4","3","1") = "6"
    & skf21("4","3","6","4","7","4","4","1") = "6"
    & skf21("4","3","6","4","7","4","5","1") = "6"
    & skf21("4","3","6","4","7","4","6","1") = "6"
    & skf21("4","3","6","4","7","4","7","1") = "6"
    & skf21("4","3","6","4","7","5","1","1") = "6"
    & skf21("4","3","6","4","7","5","2","1") = "6"
    & skf21("4","3","6","4","7","5","3","1") = "6"
    & skf21("4","3","6","4","7","5","4","1") = "6"
    & skf21("4","3","6","4","7","5","5","1") = "6"
    & skf21("4","3","6","4","7","5","6","1") = "6"
    & skf21("4","3","6","4","7","5","7","1") = "6"
    & skf21("4","3","6","4","7","6","1","1") = "6"
    & skf21("4","3","6","4","7","6","2","1") = "6"
    & skf21("4","3","6","4","7","6","3","1") = "6"
    & skf21("4","3","6","4","7","6","4","1") = "6"
    & skf21("4","3","6","4","7","6","5","1") = "6"
    & skf21("4","3","6","4","7","6","6","1") = "6"
    & skf21("4","3","6","4","7","6","7","1") = "6"
    & skf21("4","3","6","4","7","7","1","1") = "6"
    & skf21("4","3","6","4","7","7","2","1") = "6"
    & skf21("4","3","6","4","7","7","3","1") = "6"
    & skf21("4","3","6","4","7","7","4","1") = "6"
    & skf21("4","3","6","4","7","7","5","1") = "6"
    & skf21("4","3","6","4","7","7","6","1") = "6"
    & skf21("4","3","6","4","7","7","7","1") = "6"
    & skf21("4","3","6","5","1","1","1","1") = "5"
    & skf21("4","3","6","5","1","1","2","1") = "5"
    & skf21("4","3","6","5","1","1","3","1") = "5"
    & skf21("4","3","6","5","1","1","4","1") = "5"
    & skf21("4","3","6","5","1","1","5","1") = "5"
    & skf21("4","3","6","5","1","1","6","1") = "5"
    & skf21("4","3","6","5","1","1","7","1") = "6"
    & skf21("4","3","6","5","1","2","1","1") = "5"
    & skf21("4","3","6","5","1","2","2","1") = "5"
    & skf21("4","3","6","5","1","2","3","1") = "5"
    & skf21("4","3","6","5","1","2","4","1") = "5"
    & skf21("4","3","6","5","1","2","5","1") = "5"
    & skf21("4","3","6","5","1","2","6","1") = "5"
    & skf21("4","3","6","5","1","2","7","1") = "6"
    & skf21("4","3","6","5","1","3","1","1") = "5"
    & skf21("4","3","6","5","1","3","2","1") = "5"
    & skf21("4","3","6","5","1","3","3","1") = "5"
    & skf21("4","3","6","5","1","3","4","1") = "5"
    & skf21("4","3","6","5","1","3","5","1") = "5"
    & skf21("4","3","6","5","1","3","6","1") = "5"
    & skf21("4","3","6","5","1","3","7","1") = "6"
    & skf21("4","3","6","5","1","4","1","1") = "5"
    & skf21("4","3","6","5","1","4","2","1") = "5"
    & skf21("4","3","6","5","1","4","3","1") = "5"
    & skf21("4","3","6","5","1","4","4","1") = "5"
    & skf21("4","3","6","5","1","4","5","1") = "5"
    & skf21("4","3","6","5","1","4","6","1") = "5"
    & skf21("4","3","6","5","1","4","7","1") = "6"
    & skf21("4","3","6","5","1","5","1","1") = "5"
    & skf21("4","3","6","5","1","5","2","1") = "5"
    & skf21("4","3","6","5","1","5","3","1") = "5"
    & skf21("4","3","6","5","1","5","4","1") = "5"
    & skf21("4","3","6","5","1","5","5","1") = "5"
    & skf21("4","3","6","5","1","5","6","1") = "5"
    & skf21("4","3","6","5","1","5","7","1") = "6"
    & skf21("4","3","6","5","1","6","1","1") = "5"
    & skf21("4","3","6","5","1","6","2","1") = "5"
    & skf21("4","3","6","5","1","6","3","1") = "5"
    & skf21("4","3","6","5","1","6","4","1") = "5"
    & skf21("4","3","6","5","1","6","5","1") = "5"
    & skf21("4","3","6","5","1","6","6","1") = "5"
    & skf21("4","3","6","5","1","6","7","1") = "6"
    & skf21("4","3","6","5","1","7","1","1") = "6"
    & skf21("4","3","6","5","1","7","2","1") = "6"
    & skf21("4","3","6","5","1","7","3","1") = "6"
    & skf21("4","3","6","5","1","7","4","1") = "6"
    & skf21("4","3","6","5","1","7","5","1") = "6"
    & skf21("4","3","6","5","1","7","6","1") = "6"
    & skf21("4","3","6","5","1","7","7","1") = "6"
    & skf21("4","3","6","5","2","1","1","1") = "5"
    & skf21("4","3","6","5","2","1","2","1") = "5"
    & skf21("4","3","6","5","2","1","3","1") = "5"
    & skf21("4","3","6","5","2","1","4","1") = "5"
    & skf21("4","3","6","5","2","1","5","1") = "5"
    & skf21("4","3","6","5","2","1","6","1") = "5"
    & skf21("4","3","6","5","2","1","7","1") = "6"
    & skf21("4","3","6","5","2","2","1","1") = "5"
    & skf21("4","3","6","5","2","2","2","1") = "5"
    & skf21("4","3","6","5","2","2","3","1") = "5"
    & skf21("4","3","6","5","2","2","4","1") = "5"
    & skf21("4","3","6","5","2","2","5","1") = "5"
    & skf21("4","3","6","5","2","2","6","1") = "5"
    & skf21("4","3","6","5","2","2","7","1") = "6"
    & skf21("4","3","6","5","2","3","1","1") = "5"
    & skf21("4","3","6","5","2","3","2","1") = "5"
    & skf21("4","3","6","5","2","3","3","1") = "5"
    & skf21("4","3","6","5","2","3","4","1") = "5"
    & skf21("4","3","6","5","2","3","5","1") = "5"
    & skf21("4","3","6","5","2","3","6","1") = "5"
    & skf21("4","3","6","5","2","3","7","1") = "6"
    & skf21("4","3","6","5","2","4","1","1") = "5"
    & skf21("4","3","6","5","2","4","2","1") = "5"
    & skf21("4","3","6","5","2","4","3","1") = "5"
    & skf21("4","3","6","5","2","4","4","1") = "5"
    & skf21("4","3","6","5","2","4","5","1") = "5"
    & skf21("4","3","6","5","2","4","6","1") = "5"
    & skf21("4","3","6","5","2","4","7","1") = "6"
    & skf21("4","3","6","5","2","5","1","1") = "5"
    & skf21("4","3","6","5","2","5","2","1") = "5"
    & skf21("4","3","6","5","2","5","3","1") = "5"
    & skf21("4","3","6","5","2","5","4","1") = "5"
    & skf21("4","3","6","5","2","5","5","1") = "5"
    & skf21("4","3","6","5","2","5","6","1") = "5"
    & skf21("4","3","6","5","2","5","7","1") = "6"
    & skf21("4","3","6","5","2","6","1","1") = "5"
    & skf21("4","3","6","5","2","6","2","1") = "5"
    & skf21("4","3","6","5","2","6","3","1") = "5"
    & skf21("4","3","6","5","2","6","4","1") = "5"
    & skf21("4","3","6","5","2","6","5","1") = "5"
    & skf21("4","3","6","5","2","6","6","1") = "5"
    & skf21("4","3","6","5","2","6","7","1") = "6"
    & skf21("4","3","6","5","2","7","1","1") = "6"
    & skf21("4","3","6","5","2","7","2","1") = "6"
    & skf21("4","3","6","5","2","7","3","1") = "6"
    & skf21("4","3","6","5","2","7","4","1") = "6"
    & skf21("4","3","6","5","2","7","5","1") = "6"
    & skf21("4","3","6","5","2","7","6","1") = "6"
    & skf21("4","3","6","5","2","7","7","1") = "6"
    & skf21("4","3","6","5","3","1","1","1") = "5"
    & skf21("4","3","6","5","3","1","2","1") = "5"
    & skf21("4","3","6","5","3","1","3","1") = "5"
    & skf21("4","3","6","5","3","1","4","1") = "5"
    & skf21("4","3","6","5","3","1","5","1") = "5"
    & skf21("4","3","6","5","3","1","6","1") = "5"
    & skf21("4","3","6","5","3","1","7","1") = "6"
    & skf21("4","3","6","5","3","2","1","1") = "5"
    & skf21("4","3","6","5","3","2","2","1") = "5"
    & skf21("4","3","6","5","3","2","3","1") = "5"
    & skf21("4","3","6","5","3","2","4","1") = "5"
    & skf21("4","3","6","5","3","2","5","1") = "5"
    & skf21("4","3","6","5","3","2","6","1") = "5"
    & skf21("4","3","6","5","3","2","7","1") = "6"
    & skf21("4","3","6","5","3","3","1","1") = "5"
    & skf21("4","3","6","5","3","3","2","1") = "5"
    & skf21("4","3","6","5","3","3","3","1") = "5"
    & skf21("4","3","6","5","3","3","4","1") = "5"
    & skf21("4","3","6","5","3","3","5","1") = "5"
    & skf21("4","3","6","5","3","3","6","1") = "5"
    & skf21("4","3","6","5","3","3","7","1") = "6"
    & skf21("4","3","6","5","3","4","1","1") = "5"
    & skf21("4","3","6","5","3","4","2","1") = "5"
    & skf21("4","3","6","5","3","4","3","1") = "5"
    & skf21("4","3","6","5","3","4","4","1") = "5"
    & skf21("4","3","6","5","3","4","5","1") = "5"
    & skf21("4","3","6","5","3","4","6","1") = "5"
    & skf21("4","3","6","5","3","4","7","1") = "6"
    & skf21("4","3","6","5","3","5","1","1") = "5"
    & skf21("4","3","6","5","3","5","2","1") = "5"
    & skf21("4","3","6","5","3","5","3","1") = "5"
    & skf21("4","3","6","5","3","5","4","1") = "5"
    & skf21("4","3","6","5","3","5","5","1") = "5"
    & skf21("4","3","6","5","3","5","6","1") = "5"
    & skf21("4","3","6","5","3","5","7","1") = "6"
    & skf21("4","3","6","5","3","6","1","1") = "5"
    & skf21("4","3","6","5","3","6","2","1") = "5"
    & skf21("4","3","6","5","3","6","3","1") = "5"
    & skf21("4","3","6","5","3","6","4","1") = "5"
    & skf21("4","3","6","5","3","6","5","1") = "5"
    & skf21("4","3","6","5","3","6","6","1") = "5"
    & skf21("4","3","6","5","3","6","7","1") = "6"
    & skf21("4","3","6","5","3","7","1","1") = "6"
    & skf21("4","3","6","5","3","7","2","1") = "6"
    & skf21("4","3","6","5","3","7","3","1") = "6"
    & skf21("4","3","6","5","3","7","4","1") = "6"
    & skf21("4","3","6","5","3","7","5","1") = "6"
    & skf21("4","3","6","5","3","7","6","1") = "6"
    & skf21("4","3","6","5","3","7","7","1") = "6"
    & skf21("4","3","6","5","4","1","1","1") = "5"
    & skf21("4","3","6","5","4","1","2","1") = "5"
    & skf21("4","3","6","5","4","1","3","1") = "5"
    & skf21("4","3","6","5","4","1","4","1") = "5"
    & skf21("4","3","6","5","4","1","5","1") = "5"
    & skf21("4","3","6","5","4","1","6","1") = "5"
    & skf21("4","3","6","5","4","1","7","1") = "6"
    & skf21("4","3","6","5","4","2","1","1") = "5"
    & skf21("4","3","6","5","4","2","2","1") = "5"
    & skf21("4","3","6","5","4","2","3","1") = "5"
    & skf21("4","3","6","5","4","2","4","1") = "5"
    & skf21("4","3","6","5","4","2","5","1") = "5"
    & skf21("4","3","6","5","4","2","6","1") = "5"
    & skf21("4","3","6","5","4","2","7","1") = "6"
    & skf21("4","3","6","5","4","3","1","1") = "5"
    & skf21("4","3","6","5","4","3","2","1") = "5"
    & skf21("4","3","6","5","4","3","3","1") = "5"
    & skf21("4","3","6","5","4","3","4","1") = "5"
    & skf21("4","3","6","5","4","3","5","1") = "5"
    & skf21("4","3","6","5","4","3","6","1") = "5"
    & skf21("4","3","6","5","4","3","7","1") = "6"
    & skf21("4","3","6","5","4","4","1","1") = "5"
    & skf21("4","3","6","5","4","4","2","1") = "5"
    & skf21("4","3","6","5","4","4","3","1") = "5"
    & skf21("4","3","6","5","4","4","4","1") = "5"
    & skf21("4","3","6","5","4","4","5","1") = "5"
    & skf21("4","3","6","5","4","4","6","1") = "5"
    & skf21("4","3","6","5","4","4","7","1") = "6"
    & skf21("4","3","6","5","4","5","1","1") = "5"
    & skf21("4","3","6","5","4","5","2","1") = "5"
    & skf21("4","3","6","5","4","5","3","1") = "5"
    & skf21("4","3","6","5","4","5","4","1") = "5"
    & skf21("4","3","6","5","4","5","5","1") = "5"
    & skf21("4","3","6","5","4","5","6","1") = "5"
    & skf21("4","3","6","5","4","5","7","1") = "6"
    & skf21("4","3","6","5","4","6","1","1") = "5"
    & skf21("4","3","6","5","4","6","2","1") = "5"
    & skf21("4","3","6","5","4","6","3","1") = "5"
    & skf21("4","3","6","5","4","6","4","1") = "5"
    & skf21("4","3","6","5","4","6","5","1") = "5"
    & skf21("4","3","6","5","4","6","6","1") = "5"
    & skf21("4","3","6","5","4","6","7","1") = "6"
    & skf21("4","3","6","5","4","7","1","1") = "6"
    & skf21("4","3","6","5","4","7","2","1") = "6"
    & skf21("4","3","6","5","4","7","3","1") = "6"
    & skf21("4","3","6","5","4","7","4","1") = "6"
    & skf21("4","3","6","5","4","7","5","1") = "6"
    & skf21("4","3","6","5","4","7","6","1") = "6"
    & skf21("4","3","6","5","4","7","7","1") = "6"
    & skf21("4","3","6","5","5","1","1","1") = "5"
    & skf21("4","3","6","5","5","1","2","1") = "5"
    & skf21("4","3","6","5","5","1","3","1") = "5"
    & skf21("4","3","6","5","5","1","4","1") = "5"
    & skf21("4","3","6","5","5","1","5","1") = "5"
    & skf21("4","3","6","5","5","1","6","1") = "5"
    & skf21("4","3","6","5","5","1","7","1") = "6"
    & skf21("4","3","6","5","5","2","1","1") = "5"
    & skf21("4","3","6","5","5","2","2","1") = "5"
    & skf21("4","3","6","5","5","2","3","1") = "5"
    & skf21("4","3","6","5","5","2","4","1") = "5"
    & skf21("4","3","6","5","5","2","5","1") = "5"
    & skf21("4","3","6","5","5","2","6","1") = "5"
    & skf21("4","3","6","5","5","2","7","1") = "6"
    & skf21("4","3","6","5","5","3","1","1") = "5"
    & skf21("4","3","6","5","5","3","2","1") = "5"
    & skf21("4","3","6","5","5","3","3","1") = "5"
    & skf21("4","3","6","5","5","3","4","1") = "5"
    & skf21("4","3","6","5","5","3","5","1") = "5"
    & skf21("4","3","6","5","5","3","6","1") = "5"
    & skf21("4","3","6","5","5","3","7","1") = "6"
    & skf21("4","3","6","5","5","4","1","1") = "5"
    & skf21("4","3","6","5","5","4","2","1") = "5"
    & skf21("4","3","6","5","5","4","3","1") = "5"
    & skf21("4","3","6","5","5","4","4","1") = "5"
    & skf21("4","3","6","5","5","4","5","1") = "5"
    & skf21("4","3","6","5","5","4","6","1") = "5"
    & skf21("4","3","6","5","5","4","7","1") = "6"
    & skf21("4","3","6","5","5","5","1","1") = "5"
    & skf21("4","3","6","5","5","5","2","1") = "5"
    & skf21("4","3","6","5","5","5","3","1") = "5"
    & skf21("4","3","6","5","5","5","4","1") = "5"
    & skf21("4","3","6","5","5","5","5","1") = "5"
    & skf21("4","3","6","5","5","5","6","1") = "5"
    & skf21("4","3","6","5","5","5","7","1") = "6"
    & skf21("4","3","6","5","5","6","1","1") = "5"
    & skf21("4","3","6","5","5","6","2","1") = "5"
    & skf21("4","3","6","5","5","6","3","1") = "5"
    & skf21("4","3","6","5","5","6","4","1") = "5"
    & skf21("4","3","6","5","5","6","5","1") = "5"
    & skf21("4","3","6","5","5","6","6","1") = "5"
    & skf21("4","3","6","5","5","6","7","1") = "6"
    & skf21("4","3","6","5","5","7","1","1") = "6"
    & skf21("4","3","6","5","5","7","2","1") = "6"
    & skf21("4","3","6","5","5","7","3","1") = "6"
    & skf21("4","3","6","5","5","7","4","1") = "6"
    & skf21("4","3","6","5","5","7","5","1") = "6"
    & skf21("4","3","6","5","5","7","6","1") = "6"
    & skf21("4","3","6","5","5","7","7","1") = "6"
    & skf21("4","3","6","5","6","1","1","1") = "5"
    & skf21("4","3","6","5","6","1","2","1") = "5"
    & skf21("4","3","6","5","6","1","3","1") = "5"
    & skf21("4","3","6","5","6","1","4","1") = "5"
    & skf21("4","3","6","5","6","1","5","1") = "5"
    & skf21("4","3","6","5","6","1","6","1") = "5"
    & skf21("4","3","6","5","6","1","7","1") = "6"
    & skf21("4","3","6","5","6","2","1","1") = "5"
    & skf21("4","3","6","5","6","2","2","1") = "5"
    & skf21("4","3","6","5","6","2","3","1") = "5"
    & skf21("4","3","6","5","6","2","4","1") = "5"
    & skf21("4","3","6","5","6","2","5","1") = "5"
    & skf21("4","3","6","5","6","2","6","1") = "5"
    & skf21("4","3","6","5","6","2","7","1") = "6"
    & skf21("4","3","6","5","6","3","1","1") = "5"
    & skf21("4","3","6","5","6","3","2","1") = "5"
    & skf21("4","3","6","5","6","3","3","1") = "5"
    & skf21("4","3","6","5","6","3","4","1") = "5"
    & skf21("4","3","6","5","6","3","5","1") = "5"
    & skf21("4","3","6","5","6","3","6","1") = "5"
    & skf21("4","3","6","5","6","3","7","1") = "6"
    & skf21("4","3","6","5","6","4","1","1") = "5"
    & skf21("4","3","6","5","6","4","2","1") = "5"
    & skf21("4","3","6","5","6","4","3","1") = "5"
    & skf21("4","3","6","5","6","4","4","1") = "5"
    & skf21("4","3","6","5","6","4","5","1") = "5"
    & skf21("4","3","6","5","6","4","6","1") = "5"
    & skf21("4","3","6","5","6","4","7","1") = "6"
    & skf21("4","3","6","5","6","5","1","1") = "5"
    & skf21("4","3","6","5","6","5","2","1") = "5"
    & skf21("4","3","6","5","6","5","3","1") = "5"
    & skf21("4","3","6","5","6","5","4","1") = "5"
    & skf21("4","3","6","5","6","5","5","1") = "5"
    & skf21("4","3","6","5","6","5","6","1") = "5"
    & skf21("4","3","6","5","6","5","7","1") = "6"
    & skf21("4","3","6","5","6","6","1","1") = "5"
    & skf21("4","3","6","5","6","6","2","1") = "5"
    & skf21("4","3","6","5","6","6","3","1") = "5"
    & skf21("4","3","6","5","6","6","4","1") = "5"
    & skf21("4","3","6","5","6","6","5","1") = "5"
    & skf21("4","3","6","5","6","6","6","1") = "5"
    & skf21("4","3","6","5","6","6","7","1") = "6"
    & skf21("4","3","6","5","6","7","1","1") = "6"
    & skf21("4","3","6","5","6","7","2","1") = "6"
    & skf21("4","3","6","5","6","7","3","1") = "6"
    & skf21("4","3","6","5","6","7","4","1") = "6"
    & skf21("4","3","6","5","6","7","5","1") = "6"
    & skf21("4","3","6","5","6","7","6","1") = "6"
    & skf21("4","3","6","5","6","7","7","1") = "6"
    & skf21("4","3","6","5","7","1","1","1") = "6"
    & skf21("4","3","6","5","7","1","2","1") = "6"
    & skf21("4","3","6","5","7","1","3","1") = "6"
    & skf21("4","3","6","5","7","1","4","1") = "6"
    & skf21("4","3","6","5","7","1","5","1") = "6"
    & skf21("4","3","6","5","7","1","6","1") = "6"
    & skf21("4","3","6","5","7","1","7","1") = "6"
    & skf21("4","3","6","5","7","2","1","1") = "6"
    & skf21("4","3","6","5","7","2","2","1") = "6"
    & skf21("4","3","6","5","7","2","3","1") = "6"
    & skf21("4","3","6","5","7","2","4","1") = "6"
    & skf21("4","3","6","5","7","2","5","1") = "6"
    & skf21("4","3","6","5","7","2","6","1") = "6"
    & skf21("4","3","6","5","7","2","7","1") = "6"
    & skf21("4","3","6","5","7","3","1","1") = "6"
    & skf21("4","3","6","5","7","3","2","1") = "6"
    & skf21("4","3","6","5","7","3","3","1") = "6"
    & skf21("4","3","6","5","7","3","4","1") = "6"
    & skf21("4","3","6","5","7","3","5","1") = "6"
    & skf21("4","3","6","5","7","3","6","1") = "6"
    & skf21("4","3","6","5","7","3","7","1") = "6"
    & skf21("4","3","6","5","7","4","1","1") = "6"
    & skf21("4","3","6","5","7","4","2","1") = "6"
    & skf21("4","3","6","5","7","4","3","1") = "6"
    & skf21("4","3","6","5","7","4","4","1") = "6"
    & skf21("4","3","6","5","7","4","5","1") = "6"
    & skf21("4","3","6","5","7","4","6","1") = "6"
    & skf21("4","3","6","5","7","4","7","1") = "6"
    & skf21("4","3","6","5","7","5","1","1") = "6"
    & skf21("4","3","6","5","7","5","2","1") = "6"
    & skf21("4","3","6","5","7","5","3","1") = "6"
    & skf21("4","3","6","5","7","5","4","1") = "6"
    & skf21("4","3","6","5","7","5","5","1") = "6"
    & skf21("4","3","6","5","7","5","6","1") = "6"
    & skf21("4","3","6","5","7","5","7","1") = "6"
    & skf21("4","3","6","5","7","6","1","1") = "6"
    & skf21("4","3","6","5","7","6","2","1") = "6"
    & skf21("4","3","6","5","7","6","3","1") = "6"
    & skf21("4","3","6","5","7","6","4","1") = "6"
    & skf21("4","3","6","5","7","6","5","1") = "6"
    & skf21("4","3","6","5","7","6","6","1") = "6"
    & skf21("4","3","6","5","7","6","7","1") = "6"
    & skf21("4","3","6","5","7","7","1","1") = "6"
    & skf21("4","3","6","5","7","7","2","1") = "6"
    & skf21("4","3","6","5","7","7","3","1") = "6"
    & skf21("4","3","6","5","7","7","4","1") = "6"
    & skf21("4","3","6","5","7","7","5","1") = "6"
    & skf21("4","3","6","5","7","7","6","1") = "6"
    & skf21("4","3","6","5","7","7","7","1") = "6"
    & skf21("4","3","6","6","1","1","1","1") = "5"
    & skf21("4","3","6","6","1","1","2","1") = "5"
    & skf21("4","3","6","6","1","1","3","1") = "5"
    & skf21("4","3","6","6","1","1","4","1") = "5"
    & skf21("4","3","6","6","1","1","5","1") = "5"
    & skf21("4","3","6","6","1","1","6","1") = "5"
    & skf21("4","3","6","6","1","1","7","1") = "6"
    & skf21("4","3","6","6","1","2","1","1") = "5"
    & skf21("4","3","6","6","1","2","2","1") = "5"
    & skf21("4","3","6","6","1","2","3","1") = "5"
    & skf21("4","3","6","6","1","2","4","1") = "5"
    & skf21("4","3","6","6","1","2","5","1") = "5"
    & skf21("4","3","6","6","1","2","6","1") = "5"
    & skf21("4","3","6","6","1","2","7","1") = "6"
    & skf21("4","3","6","6","1","3","1","1") = "5"
    & skf21("4","3","6","6","1","3","2","1") = "5"
    & skf21("4","3","6","6","1","3","3","1") = "5"
    & skf21("4","3","6","6","1","3","4","1") = "5"
    & skf21("4","3","6","6","1","3","5","1") = "5"
    & skf21("4","3","6","6","1","3","6","1") = "5"
    & skf21("4","3","6","6","1","3","7","1") = "6"
    & skf21("4","3","6","6","1","4","1","1") = "5"
    & skf21("4","3","6","6","1","4","2","1") = "5"
    & skf21("4","3","6","6","1","4","3","1") = "5"
    & skf21("4","3","6","6","1","4","4","1") = "5"
    & skf21("4","3","6","6","1","4","5","1") = "5"
    & skf21("4","3","6","6","1","4","6","1") = "5"
    & skf21("4","3","6","6","1","4","7","1") = "6"
    & skf21("4","3","6","6","1","5","1","1") = "5"
    & skf21("4","3","6","6","1","5","2","1") = "5"
    & skf21("4","3","6","6","1","5","3","1") = "5"
    & skf21("4","3","6","6","1","5","4","1") = "5"
    & skf21("4","3","6","6","1","5","5","1") = "5"
    & skf21("4","3","6","6","1","5","6","1") = "5"
    & skf21("4","3","6","6","1","5","7","1") = "6"
    & skf21("4","3","6","6","1","6","1","1") = "5"
    & skf21("4","3","6","6","1","6","2","1") = "5"
    & skf21("4","3","6","6","1","6","3","1") = "5"
    & skf21("4","3","6","6","1","6","4","1") = "5"
    & skf21("4","3","6","6","1","6","5","1") = "5"
    & skf21("4","3","6","6","1","6","6","1") = "5"
    & skf21("4","3","6","6","1","6","7","1") = "6"
    & skf21("4","3","6","6","1","7","1","1") = "6"
    & skf21("4","3","6","6","1","7","2","1") = "6"
    & skf21("4","3","6","6","1","7","3","1") = "6"
    & skf21("4","3","6","6","1","7","4","1") = "6"
    & skf21("4","3","6","6","1","7","5","1") = "6"
    & skf21("4","3","6","6","1","7","6","1") = "6"
    & skf21("4","3","6","6","1","7","7","1") = "6"
    & skf21("4","3","6","6","2","1","1","1") = "5"
    & skf21("4","3","6","6","2","1","2","1") = "5"
    & skf21("4","3","6","6","2","1","3","1") = "5"
    & skf21("4","3","6","6","2","1","4","1") = "5"
    & skf21("4","3","6","6","2","1","5","1") = "5"
    & skf21("4","3","6","6","2","1","6","1") = "5"
    & skf21("4","3","6","6","2","1","7","1") = "6"
    & skf21("4","3","6","6","2","2","1","1") = "5"
    & skf21("4","3","6","6","2","2","2","1") = "5"
    & skf21("4","3","6","6","2","2","3","1") = "5"
    & skf21("4","3","6","6","2","2","4","1") = "5"
    & skf21("4","3","6","6","2","2","5","1") = "5"
    & skf21("4","3","6","6","2","2","6","1") = "5"
    & skf21("4","3","6","6","2","2","7","1") = "6"
    & skf21("4","3","6","6","2","3","1","1") = "5"
    & skf21("4","3","6","6","2","3","2","1") = "5"
    & skf21("4","3","6","6","2","3","3","1") = "5"
    & skf21("4","3","6","6","2","3","4","1") = "5"
    & skf21("4","3","6","6","2","3","5","1") = "5"
    & skf21("4","3","6","6","2","3","6","1") = "5"
    & skf21("4","3","6","6","2","3","7","1") = "6"
    & skf21("4","3","6","6","2","4","1","1") = "5"
    & skf21("4","3","6","6","2","4","2","1") = "5"
    & skf21("4","3","6","6","2","4","3","1") = "5"
    & skf21("4","3","6","6","2","4","4","1") = "5"
    & skf21("4","3","6","6","2","4","5","1") = "5"
    & skf21("4","3","6","6","2","4","6","1") = "5"
    & skf21("4","3","6","6","2","4","7","1") = "6"
    & skf21("4","3","6","6","2","5","1","1") = "5"
    & skf21("4","3","6","6","2","5","2","1") = "5"
    & skf21("4","3","6","6","2","5","3","1") = "5"
    & skf21("4","3","6","6","2","5","4","1") = "5"
    & skf21("4","3","6","6","2","5","5","1") = "5"
    & skf21("4","3","6","6","2","5","6","1") = "5"
    & skf21("4","3","6","6","2","5","7","1") = "6"
    & skf21("4","3","6","6","2","6","1","1") = "5"
    & skf21("4","3","6","6","2","6","2","1") = "5"
    & skf21("4","3","6","6","2","6","3","1") = "5"
    & skf21("4","3","6","6","2","6","4","1") = "5"
    & skf21("4","3","6","6","2","6","5","1") = "5"
    & skf21("4","3","6","6","2","6","6","1") = "5"
    & skf21("4","3","6","6","2","6","7","1") = "6"
    & skf21("4","3","6","6","2","7","1","1") = "6"
    & skf21("4","3","6","6","2","7","2","1") = "6"
    & skf21("4","3","6","6","2","7","3","1") = "6"
    & skf21("4","3","6","6","2","7","4","1") = "6"
    & skf21("4","3","6","6","2","7","5","1") = "6"
    & skf21("4","3","6","6","2","7","6","1") = "6"
    & skf21("4","3","6","6","2","7","7","1") = "6"
    & skf21("4","3","6","6","3","1","1","1") = "5"
    & skf21("4","3","6","6","3","1","2","1") = "5"
    & skf21("4","3","6","6","3","1","3","1") = "5"
    & skf21("4","3","6","6","3","1","4","1") = "5"
    & skf21("4","3","6","6","3","1","5","1") = "5"
    & skf21("4","3","6","6","3","1","6","1") = "5"
    & skf21("4","3","6","6","3","1","7","1") = "6"
    & skf21("4","3","6","6","3","2","1","1") = "5"
    & skf21("4","3","6","6","3","2","2","1") = "5"
    & skf21("4","3","6","6","3","2","3","1") = "5"
    & skf21("4","3","6","6","3","2","4","1") = "5"
    & skf21("4","3","6","6","3","2","5","1") = "5"
    & skf21("4","3","6","6","3","2","6","1") = "5"
    & skf21("4","3","6","6","3","2","7","1") = "6"
    & skf21("4","3","6","6","3","3","1","1") = "5"
    & skf21("4","3","6","6","3","3","2","1") = "5"
    & skf21("4","3","6","6","3","3","3","1") = "5"
    & skf21("4","3","6","6","3","3","4","1") = "5"
    & skf21("4","3","6","6","3","3","5","1") = "5"
    & skf21("4","3","6","6","3","3","6","1") = "5"
    & skf21("4","3","6","6","3","3","7","1") = "6"
    & skf21("4","3","6","6","3","4","1","1") = "5"
    & skf21("4","3","6","6","3","4","2","1") = "5"
    & skf21("4","3","6","6","3","4","3","1") = "5"
    & skf21("4","3","6","6","3","4","4","1") = "5"
    & skf21("4","3","6","6","3","4","5","1") = "5"
    & skf21("4","3","6","6","3","4","6","1") = "5"
    & skf21("4","3","6","6","3","4","7","1") = "6"
    & skf21("4","3","6","6","3","5","1","1") = "5"
    & skf21("4","3","6","6","3","5","2","1") = "5"
    & skf21("4","3","6","6","3","5","3","1") = "5"
    & skf21("4","3","6","6","3","5","4","1") = "5"
    & skf21("4","3","6","6","3","5","5","1") = "5"
    & skf21("4","3","6","6","3","5","6","1") = "5"
    & skf21("4","3","6","6","3","5","7","1") = "6"
    & skf21("4","3","6","6","3","6","1","1") = "5"
    & skf21("4","3","6","6","3","6","2","1") = "5"
    & skf21("4","3","6","6","3","6","3","1") = "5"
    & skf21("4","3","6","6","3","6","4","1") = "5"
    & skf21("4","3","6","6","3","6","5","1") = "5"
    & skf21("4","3","6","6","3","6","6","1") = "5"
    & skf21("4","3","6","6","3","6","7","1") = "6"
    & skf21("4","3","6","6","3","7","1","1") = "6"
    & skf21("4","3","6","6","3","7","2","1") = "6"
    & skf21("4","3","6","6","3","7","3","1") = "6"
    & skf21("4","3","6","6","3","7","4","1") = "6"
    & skf21("4","3","6","6","3","7","5","1") = "6"
    & skf21("4","3","6","6","3","7","6","1") = "6"
    & skf21("4","3","6","6","3","7","7","1") = "6"
    & skf21("4","3","6","6","4","1","1","1") = "5"
    & skf21("4","3","6","6","4","1","2","1") = "5"
    & skf21("4","3","6","6","4","1","3","1") = "5"
    & skf21("4","3","6","6","4","1","4","1") = "5"
    & skf21("4","3","6","6","4","1","5","1") = "5"
    & skf21("4","3","6","6","4","1","6","1") = "5"
    & skf21("4","3","6","6","4","1","7","1") = "6"
    & skf21("4","3","6","6","4","2","1","1") = "5"
    & skf21("4","3","6","6","4","2","2","1") = "5"
    & skf21("4","3","6","6","4","2","3","1") = "5"
    & skf21("4","3","6","6","4","2","4","1") = "5"
    & skf21("4","3","6","6","4","2","5","1") = "5"
    & skf21("4","3","6","6","4","2","6","1") = "5"
    & skf21("4","3","6","6","4","2","7","1") = "6"
    & skf21("4","3","6","6","4","3","1","1") = "5"
    & skf21("4","3","6","6","4","3","2","1") = "5"
    & skf21("4","3","6","6","4","3","3","1") = "5"
    & skf21("4","3","6","6","4","3","4","1") = "5"
    & skf21("4","3","6","6","4","3","5","1") = "5"
    & skf21("4","3","6","6","4","3","6","1") = "5"
    & skf21("4","3","6","6","4","3","7","1") = "6"
    & skf21("4","3","6","6","4","4","1","1") = "5"
    & skf21("4","3","6","6","4","4","2","1") = "5"
    & skf21("4","3","6","6","4","4","3","1") = "5"
    & skf21("4","3","6","6","4","4","4","1") = "5"
    & skf21("4","3","6","6","4","4","5","1") = "5"
    & skf21("4","3","6","6","4","4","6","1") = "5"
    & skf21("4","3","6","6","4","4","7","1") = "6"
    & skf21("4","3","6","6","4","5","1","1") = "5"
    & skf21("4","3","6","6","4","5","2","1") = "5"
    & skf21("4","3","6","6","4","5","3","1") = "5"
    & skf21("4","3","6","6","4","5","4","1") = "5"
    & skf21("4","3","6","6","4","5","5","1") = "5"
    & skf21("4","3","6","6","4","5","6","1") = "5"
    & skf21("4","3","6","6","4","5","7","1") = "6"
    & skf21("4","3","6","6","4","6","1","1") = "5"
    & skf21("4","3","6","6","4","6","2","1") = "5"
    & skf21("4","3","6","6","4","6","3","1") = "5"
    & skf21("4","3","6","6","4","6","4","1") = "5"
    & skf21("4","3","6","6","4","6","5","1") = "5"
    & skf21("4","3","6","6","4","6","6","1") = "5"
    & skf21("4","3","6","6","4","6","7","1") = "6"
    & skf21("4","3","6","6","4","7","1","1") = "6"
    & skf21("4","3","6","6","4","7","2","1") = "6"
    & skf21("4","3","6","6","4","7","3","1") = "6"
    & skf21("4","3","6","6","4","7","4","1") = "6"
    & skf21("4","3","6","6","4","7","5","1") = "6"
    & skf21("4","3","6","6","4","7","6","1") = "6"
    & skf21("4","3","6","6","4","7","7","1") = "6"
    & skf21("4","3","6","6","5","1","1","1") = "5"
    & skf21("4","3","6","6","5","1","2","1") = "5"
    & skf21("4","3","6","6","5","1","3","1") = "5"
    & skf21("4","3","6","6","5","1","4","1") = "5"
    & skf21("4","3","6","6","5","1","5","1") = "5"
    & skf21("4","3","6","6","5","1","6","1") = "5"
    & skf21("4","3","6","6","5","1","7","1") = "6"
    & skf21("4","3","6","6","5","2","1","1") = "5"
    & skf21("4","3","6","6","5","2","2","1") = "5"
    & skf21("4","3","6","6","5","2","3","1") = "5"
    & skf21("4","3","6","6","5","2","4","1") = "5"
    & skf21("4","3","6","6","5","2","5","1") = "5"
    & skf21("4","3","6","6","5","2","6","1") = "5"
    & skf21("4","3","6","6","5","2","7","1") = "6"
    & skf21("4","3","6","6","5","3","1","1") = "5"
    & skf21("4","3","6","6","5","3","2","1") = "5"
    & skf21("4","3","6","6","5","3","3","1") = "5"
    & skf21("4","3","6","6","5","3","4","1") = "5"
    & skf21("4","3","6","6","5","3","5","1") = "5"
    & skf21("4","3","6","6","5","3","6","1") = "5"
    & skf21("4","3","6","6","5","3","7","1") = "6"
    & skf21("4","3","6","6","5","4","1","1") = "5"
    & skf21("4","3","6","6","5","4","2","1") = "5"
    & skf21("4","3","6","6","5","4","3","1") = "5"
    & skf21("4","3","6","6","5","4","4","1") = "5"
    & skf21("4","3","6","6","5","4","5","1") = "5"
    & skf21("4","3","6","6","5","4","6","1") = "5"
    & skf21("4","3","6","6","5","4","7","1") = "6"
    & skf21("4","3","6","6","5","5","1","1") = "5"
    & skf21("4","3","6","6","5","5","2","1") = "5"
    & skf21("4","3","6","6","5","5","3","1") = "5"
    & skf21("4","3","6","6","5","5","4","1") = "5"
    & skf21("4","3","6","6","5","5","5","1") = "5"
    & skf21("4","3","6","6","5","5","6","1") = "5"
    & skf21("4","3","6","6","5","5","7","1") = "6"
    & skf21("4","3","6","6","5","6","1","1") = "5"
    & skf21("4","3","6","6","5","6","2","1") = "5"
    & skf21("4","3","6","6","5","6","3","1") = "5"
    & skf21("4","3","6","6","5","6","4","1") = "5"
    & skf21("4","3","6","6","5","6","5","1") = "5"
    & skf21("4","3","6","6","5","6","6","1") = "5"
    & skf21("4","3","6","6","5","6","7","1") = "6"
    & skf21("4","3","6","6","5","7","1","1") = "6"
    & skf21("4","3","6","6","5","7","2","1") = "6"
    & skf21("4","3","6","6","5","7","3","1") = "6"
    & skf21("4","3","6","6","5","7","4","1") = "6"
    & skf21("4","3","6","6","5","7","5","1") = "6"
    & skf21("4","3","6","6","5","7","6","1") = "6"
    & skf21("4","3","6","6","5","7","7","1") = "6"
    & skf21("4","3","6","6","6","1","1","1") = "5"
    & skf21("4","3","6","6","6","1","2","1") = "5"
    & skf21("4","3","6","6","6","1","3","1") = "5"
    & skf21("4","3","6","6","6","1","4","1") = "5"
    & skf21("4","3","6","6","6","1","5","1") = "5"
    & skf21("4","3","6","6","6","1","6","1") = "5"
    & skf21("4","3","6","6","6","1","7","1") = "6"
    & skf21("4","3","6","6","6","2","1","1") = "5"
    & skf21("4","3","6","6","6","2","2","1") = "5"
    & skf21("4","3","6","6","6","2","3","1") = "5"
    & skf21("4","3","6","6","6","2","4","1") = "5"
    & skf21("4","3","6","6","6","2","5","1") = "5"
    & skf21("4","3","6","6","6","2","6","1") = "5"
    & skf21("4","3","6","6","6","2","7","1") = "6"
    & skf21("4","3","6","6","6","3","1","1") = "5"
    & skf21("4","3","6","6","6","3","2","1") = "5"
    & skf21("4","3","6","6","6","3","3","1") = "5"
    & skf21("4","3","6","6","6","3","4","1") = "5"
    & skf21("4","3","6","6","6","3","5","1") = "5"
    & skf21("4","3","6","6","6","3","6","1") = "5"
    & skf21("4","3","6","6","6","3","7","1") = "6"
    & skf21("4","3","6","6","6","4","1","1") = "5"
    & skf21("4","3","6","6","6","4","2","1") = "5"
    & skf21("4","3","6","6","6","4","3","1") = "5"
    & skf21("4","3","6","6","6","4","4","1") = "5"
    & skf21("4","3","6","6","6","4","5","1") = "5"
    & skf21("4","3","6","6","6","4","6","1") = "5"
    & skf21("4","3","6","6","6","4","7","1") = "6"
    & skf21("4","3","6","6","6","5","1","1") = "5"
    & skf21("4","3","6","6","6","5","2","1") = "5"
    & skf21("4","3","6","6","6","5","3","1") = "5"
    & skf21("4","3","6","6","6","5","4","1") = "5"
    & skf21("4","3","6","6","6","5","5","1") = "5"
    & skf21("4","3","6","6","6","5","6","1") = "5"
    & skf21("4","3","6","6","6","5","7","1") = "6"
    & skf21("4","3","6","6","6","6","1","1") = "5"
    & skf21("4","3","6","6","6","6","2","1") = "5"
    & skf21("4","3","6","6","6","6","3","1") = "5"
    & skf21("4","3","6","6","6","6","4","1") = "5"
    & skf21("4","3","6","6","6","6","5","1") = "5"
    & skf21("4","3","6","6","6","6","6","1") = "5"
    & skf21("4","3","6","6","6","6","7","1") = "6"
    & skf21("4","3","6","6","6","7","1","1") = "6"
    & skf21("4","3","6","6","6","7","2","1") = "6"
    & skf21("4","3","6","6","6","7","3","1") = "6"
    & skf21("4","3","6","6","6","7","4","1") = "6"
    & skf21("4","3","6","6","6","7","5","1") = "6"
    & skf21("4","3","6","6","6","7","6","1") = "6"
    & skf21("4","3","6","6","6","7","7","1") = "6"
    & skf21("4","3","6","6","7","1","1","1") = "6"
    & skf21("4","3","6","6","7","1","2","1") = "6"
    & skf21("4","3","6","6","7","1","3","1") = "6"
    & skf21("4","3","6","6","7","1","4","1") = "6"
    & skf21("4","3","6","6","7","1","5","1") = "6"
    & skf21("4","3","6","6","7","1","6","1") = "6"
    & skf21("4","3","6","6","7","1","7","1") = "6"
    & skf21("4","3","6","6","7","2","1","1") = "6"
    & skf21("4","3","6","6","7","2","2","1") = "6"
    & skf21("4","3","6","6","7","2","3","1") = "6"
    & skf21("4","3","6","6","7","2","4","1") = "6"
    & skf21("4","3","6","6","7","2","5","1") = "6"
    & skf21("4","3","6","6","7","2","6","1") = "6"
    & skf21("4","3","6","6","7","2","7","1") = "6"
    & skf21("4","3","6","6","7","3","1","1") = "6"
    & skf21("4","3","6","6","7","3","2","1") = "6"
    & skf21("4","3","6","6","7","3","3","1") = "6"
    & skf21("4","3","6","6","7","3","4","1") = "6"
    & skf21("4","3","6","6","7","3","5","1") = "6"
    & skf21("4","3","6","6","7","3","6","1") = "6"
    & skf21("4","3","6","6","7","3","7","1") = "6"
    & skf21("4","3","6","6","7","4","1","1") = "6"
    & skf21("4","3","6","6","7","4","2","1") = "6"
    & skf21("4","3","6","6","7","4","3","1") = "6"
    & skf21("4","3","6","6","7","4","4","1") = "6"
    & skf21("4","3","6","6","7","4","5","1") = "6"
    & skf21("4","3","6","6","7","4","6","1") = "6"
    & skf21("4","3","6","6","7","4","7","1") = "6"
    & skf21("4","3","6","6","7","5","1","1") = "6"
    & skf21("4","3","6","6","7","5","2","1") = "6"
    & skf21("4","3","6","6","7","5","3","1") = "6"
    & skf21("4","3","6","6","7","5","4","1") = "6"
    & skf21("4","3","6","6","7","5","5","1") = "6"
    & skf21("4","3","6","6","7","5","6","1") = "6"
    & skf21("4","3","6","6","7","5","7","1") = "6"
    & skf21("4","3","6","6","7","6","1","1") = "6"
    & skf21("4","3","6","6","7","6","2","1") = "6"
    & skf21("4","3","6","6","7","6","3","1") = "6"
    & skf21("4","3","6","6","7","6","4","1") = "6"
    & skf21("4","3","6","6","7","6","5","1") = "6"
    & skf21("4","3","6","6","7","6","6","1") = "6"
    & skf21("4","3","6","6","7","6","7","1") = "6"
    & skf21("4","3","6","6","7","7","1","1") = "6"
    & skf21("4","3","6","6","7","7","2","1") = "6"
    & skf21("4","3","6","6","7","7","3","1") = "6"
    & skf21("4","3","6","6","7","7","4","1") = "6"
    & skf21("4","3","6","6","7","7","5","1") = "6"
    & skf21("4","3","6","6","7","7","6","1") = "6"
    & skf21("4","3","6","6","7","7","7","1") = "6"
    & skf21("4","3","6","7","1","1","1","1") = "6"
    & skf21("4","3","6","7","1","1","2","1") = "6"
    & skf21("4","3","6","7","1","1","3","1") = "6"
    & skf21("4","3","6","7","1","1","4","1") = "6"
    & skf21("4","3","6","7","1","1","5","1") = "6"
    & skf21("4","3","6","7","1","1","6","1") = "6"
    & skf21("4","3","6","7","1","1","7","1") = "6"
    & skf21("4","3","6","7","1","2","1","1") = "6"
    & skf21("4","3","6","7","1","2","2","1") = "6"
    & skf21("4","3","6","7","1","2","3","1") = "6"
    & skf21("4","3","6","7","1","2","4","1") = "6"
    & skf21("4","3","6","7","1","2","5","1") = "6"
    & skf21("4","3","6","7","1","2","6","1") = "6"
    & skf21("4","3","6","7","1","2","7","1") = "6"
    & skf21("4","3","6","7","1","3","1","1") = "6"
    & skf21("4","3","6","7","1","3","2","1") = "6"
    & skf21("4","3","6","7","1","3","3","1") = "6"
    & skf21("4","3","6","7","1","3","4","1") = "6"
    & skf21("4","3","6","7","1","3","5","1") = "6"
    & skf21("4","3","6","7","1","3","6","1") = "6"
    & skf21("4","3","6","7","1","3","7","1") = "6"
    & skf21("4","3","6","7","1","4","1","1") = "6"
    & skf21("4","3","6","7","1","4","2","1") = "6"
    & skf21("4","3","6","7","1","4","3","1") = "6"
    & skf21("4","3","6","7","1","4","4","1") = "6"
    & skf21("4","3","6","7","1","4","5","1") = "6"
    & skf21("4","3","6","7","1","4","6","1") = "6"
    & skf21("4","3","6","7","1","4","7","1") = "6"
    & skf21("4","3","6","7","1","5","1","1") = "6"
    & skf21("4","3","6","7","1","5","2","1") = "6"
    & skf21("4","3","6","7","1","5","3","1") = "6"
    & skf21("4","3","6","7","1","5","4","1") = "6"
    & skf21("4","3","6","7","1","5","5","1") = "6"
    & skf21("4","3","6","7","1","5","6","1") = "6"
    & skf21("4","3","6","7","1","5","7","1") = "6"
    & skf21("4","3","6","7","1","6","1","1") = "6"
    & skf21("4","3","6","7","1","6","2","1") = "6"
    & skf21("4","3","6","7","1","6","3","1") = "6"
    & skf21("4","3","6","7","1","6","4","1") = "6"
    & skf21("4","3","6","7","1","6","5","1") = "6"
    & skf21("4","3","6","7","1","6","6","1") = "6"
    & skf21("4","3","6","7","1","6","7","1") = "6"
    & skf21("4","3","6","7","1","7","1","1") = "6"
    & skf21("4","3","6","7","1","7","2","1") = "6"
    & skf21("4","3","6","7","1","7","3","1") = "6"
    & skf21("4","3","6","7","1","7","4","1") = "6"
    & skf21("4","3","6","7","1","7","5","1") = "6"
    & skf21("4","3","6","7","1","7","6","1") = "6"
    & skf21("4","3","6","7","1","7","7","1") = "6"
    & skf21("4","3","6","7","2","1","1","1") = "6"
    & skf21("4","3","6","7","2","1","2","1") = "6"
    & skf21("4","3","6","7","2","1","3","1") = "6"
    & skf21("4","3","6","7","2","1","4","1") = "6"
    & skf21("4","3","6","7","2","1","5","1") = "6"
    & skf21("4","3","6","7","2","1","6","1") = "6"
    & skf21("4","3","6","7","2","1","7","1") = "6"
    & skf21("4","3","6","7","2","2","1","1") = "6"
    & skf21("4","3","6","7","2","2","2","1") = "6"
    & skf21("4","3","6","7","2","2","3","1") = "6"
    & skf21("4","3","6","7","2","2","4","1") = "6"
    & skf21("4","3","6","7","2","2","5","1") = "6"
    & skf21("4","3","6","7","2","2","6","1") = "6"
    & skf21("4","3","6","7","2","2","7","1") = "6"
    & skf21("4","3","6","7","2","3","1","1") = "6"
    & skf21("4","3","6","7","2","3","2","1") = "6"
    & skf21("4","3","6","7","2","3","3","1") = "6"
    & skf21("4","3","6","7","2","3","4","1") = "6"
    & skf21("4","3","6","7","2","3","5","1") = "6"
    & skf21("4","3","6","7","2","3","6","1") = "6"
    & skf21("4","3","6","7","2","3","7","1") = "6"
    & skf21("4","3","6","7","2","4","1","1") = "6"
    & skf21("4","3","6","7","2","4","2","1") = "6"
    & skf21("4","3","6","7","2","4","3","1") = "6"
    & skf21("4","3","6","7","2","4","4","1") = "6"
    & skf21("4","3","6","7","2","4","5","1") = "6"
    & skf21("4","3","6","7","2","4","6","1") = "6"
    & skf21("4","3","6","7","2","4","7","1") = "6"
    & skf21("4","3","6","7","2","5","1","1") = "6"
    & skf21("4","3","6","7","2","5","2","1") = "6"
    & skf21("4","3","6","7","2","5","3","1") = "6"
    & skf21("4","3","6","7","2","5","4","1") = "6"
    & skf21("4","3","6","7","2","5","5","1") = "6"
    & skf21("4","3","6","7","2","5","6","1") = "6"
    & skf21("4","3","6","7","2","5","7","1") = "6"
    & skf21("4","3","6","7","2","6","1","1") = "6"
    & skf21("4","3","6","7","2","6","2","1") = "6"
    & skf21("4","3","6","7","2","6","3","1") = "6"
    & skf21("4","3","6","7","2","6","4","1") = "6"
    & skf21("4","3","6","7","2","6","5","1") = "6"
    & skf21("4","3","6","7","2","6","6","1") = "6"
    & skf21("4","3","6","7","2","6","7","1") = "6"
    & skf21("4","3","6","7","2","7","1","1") = "6"
    & skf21("4","3","6","7","2","7","2","1") = "6"
    & skf21("4","3","6","7","2","7","3","1") = "6"
    & skf21("4","3","6","7","2","7","4","1") = "6"
    & skf21("4","3","6","7","2","7","5","1") = "6"
    & skf21("4","3","6","7","2","7","6","1") = "6"
    & skf21("4","3","6","7","2","7","7","1") = "6"
    & skf21("4","3","6","7","3","1","1","1") = "6"
    & skf21("4","3","6","7","3","1","2","1") = "6"
    & skf21("4","3","6","7","3","1","3","1") = "6"
    & skf21("4","3","6","7","3","1","4","1") = "6"
    & skf21("4","3","6","7","3","1","5","1") = "6"
    & skf21("4","3","6","7","3","1","6","1") = "6"
    & skf21("4","3","6","7","3","1","7","1") = "6"
    & skf21("4","3","6","7","3","2","1","1") = "6"
    & skf21("4","3","6","7","3","2","2","1") = "6"
    & skf21("4","3","6","7","3","2","3","1") = "6"
    & skf21("4","3","6","7","3","2","4","1") = "6"
    & skf21("4","3","6","7","3","2","5","1") = "6"
    & skf21("4","3","6","7","3","2","6","1") = "6"
    & skf21("4","3","6","7","3","2","7","1") = "6"
    & skf21("4","3","6","7","3","3","1","1") = "6"
    & skf21("4","3","6","7","3","3","2","1") = "6"
    & skf21("4","3","6","7","3","3","3","1") = "6"
    & skf21("4","3","6","7","3","3","4","1") = "6"
    & skf21("4","3","6","7","3","3","5","1") = "6"
    & skf21("4","3","6","7","3","3","6","1") = "6"
    & skf21("4","3","6","7","3","3","7","1") = "6"
    & skf21("4","3","6","7","3","4","1","1") = "6"
    & skf21("4","3","6","7","3","4","2","1") = "6"
    & skf21("4","3","6","7","3","4","3","1") = "6"
    & skf21("4","3","6","7","3","4","4","1") = "6"
    & skf21("4","3","6","7","3","4","5","1") = "6"
    & skf21("4","3","6","7","3","4","6","1") = "6"
    & skf21("4","3","6","7","3","4","7","1") = "6"
    & skf21("4","3","6","7","3","5","1","1") = "6"
    & skf21("4","3","6","7","3","5","2","1") = "6"
    & skf21("4","3","6","7","3","5","3","1") = "6"
    & skf21("4","3","6","7","3","5","4","1") = "6"
    & skf21("4","3","6","7","3","5","5","1") = "6"
    & skf21("4","3","6","7","3","5","6","1") = "6"
    & skf21("4","3","6","7","3","5","7","1") = "6"
    & skf21("4","3","6","7","3","6","1","1") = "6"
    & skf21("4","3","6","7","3","6","2","1") = "6"
    & skf21("4","3","6","7","3","6","3","1") = "6"
    & skf21("4","3","6","7","3","6","4","1") = "6"
    & skf21("4","3","6","7","3","6","5","1") = "6"
    & skf21("4","3","6","7","3","6","6","1") = "6"
    & skf21("4","3","6","7","3","6","7","1") = "6"
    & skf21("4","3","6","7","3","7","1","1") = "6"
    & skf21("4","3","6","7","3","7","2","1") = "6"
    & skf21("4","3","6","7","3","7","3","1") = "6"
    & skf21("4","3","6","7","3","7","4","1") = "6"
    & skf21("4","3","6","7","3","7","5","1") = "6"
    & skf21("4","3","6","7","3","7","6","1") = "6"
    & skf21("4","3","6","7","3","7","7","1") = "6"
    & skf21("4","3","6","7","4","1","1","1") = "6"
    & skf21("4","3","6","7","4","1","2","1") = "6"
    & skf21("4","3","6","7","4","1","3","1") = "6"
    & skf21("4","3","6","7","4","1","4","1") = "6"
    & skf21("4","3","6","7","4","1","5","1") = "6"
    & skf21("4","3","6","7","4","1","6","1") = "6"
    & skf21("4","3","6","7","4","1","7","1") = "6"
    & skf21("4","3","6","7","4","2","1","1") = "6"
    & skf21("4","3","6","7","4","2","2","1") = "6"
    & skf21("4","3","6","7","4","2","3","1") = "6"
    & skf21("4","3","6","7","4","2","4","1") = "6"
    & skf21("4","3","6","7","4","2","5","1") = "6"
    & skf21("4","3","6","7","4","2","6","1") = "6"
    & skf21("4","3","6","7","4","2","7","1") = "6"
    & skf21("4","3","6","7","4","3","1","1") = "6"
    & skf21("4","3","6","7","4","3","2","1") = "6"
    & skf21("4","3","6","7","4","3","3","1") = "6"
    & skf21("4","3","6","7","4","3","4","1") = "6"
    & skf21("4","3","6","7","4","3","5","1") = "6"
    & skf21("4","3","6","7","4","3","6","1") = "6"
    & skf21("4","3","6","7","4","3","7","1") = "6"
    & skf21("4","3","6","7","4","4","1","1") = "6"
    & skf21("4","3","6","7","4","4","2","1") = "6"
    & skf21("4","3","6","7","4","4","3","1") = "6"
    & skf21("4","3","6","7","4","4","4","1") = "6"
    & skf21("4","3","6","7","4","4","5","1") = "6"
    & skf21("4","3","6","7","4","4","6","1") = "6"
    & skf21("4","3","6","7","4","4","7","1") = "6"
    & skf21("4","3","6","7","4","5","1","1") = "6"
    & skf21("4","3","6","7","4","5","2","1") = "6"
    & skf21("4","3","6","7","4","5","3","1") = "6"
    & skf21("4","3","6","7","4","5","4","1") = "6"
    & skf21("4","3","6","7","4","5","5","1") = "6"
    & skf21("4","3","6","7","4","5","6","1") = "6"
    & skf21("4","3","6","7","4","5","7","1") = "6"
    & skf21("4","3","6","7","4","6","1","1") = "6"
    & skf21("4","3","6","7","4","6","2","1") = "6"
    & skf21("4","3","6","7","4","6","3","1") = "6"
    & skf21("4","3","6","7","4","6","4","1") = "6"
    & skf21("4","3","6","7","4","6","5","1") = "6"
    & skf21("4","3","6","7","4","6","6","1") = "6"
    & skf21("4","3","6","7","4","6","7","1") = "6"
    & skf21("4","3","6","7","4","7","1","1") = "6"
    & skf21("4","3","6","7","4","7","2","1") = "6"
    & skf21("4","3","6","7","4","7","3","1") = "6"
    & skf21("4","3","6","7","4","7","4","1") = "6"
    & skf21("4","3","6","7","4","7","5","1") = "6"
    & skf21("4","3","6","7","4","7","6","1") = "6"
    & skf21("4","3","6","7","4","7","7","1") = "6"
    & skf21("4","3","6","7","5","1","1","1") = "6"
    & skf21("4","3","6","7","5","1","2","1") = "6"
    & skf21("4","3","6","7","5","1","3","1") = "6"
    & skf21("4","3","6","7","5","1","4","1") = "6"
    & skf21("4","3","6","7","5","1","5","1") = "6"
    & skf21("4","3","6","7","5","1","6","1") = "6"
    & skf21("4","3","6","7","5","1","7","1") = "6"
    & skf21("4","3","6","7","5","2","1","1") = "6"
    & skf21("4","3","6","7","5","2","2","1") = "6"
    & skf21("4","3","6","7","5","2","3","1") = "6"
    & skf21("4","3","6","7","5","2","4","1") = "6"
    & skf21("4","3","6","7","5","2","5","1") = "6"
    & skf21("4","3","6","7","5","2","6","1") = "6"
    & skf21("4","3","6","7","5","2","7","1") = "6"
    & skf21("4","3","6","7","5","3","1","1") = "6"
    & skf21("4","3","6","7","5","3","2","1") = "6"
    & skf21("4","3","6","7","5","3","3","1") = "6"
    & skf21("4","3","6","7","5","3","4","1") = "6"
    & skf21("4","3","6","7","5","3","5","1") = "6"
    & skf21("4","3","6","7","5","3","6","1") = "6"
    & skf21("4","3","6","7","5","3","7","1") = "6"
    & skf21("4","3","6","7","5","4","1","1") = "6"
    & skf21("4","3","6","7","5","4","2","1") = "6"
    & skf21("4","3","6","7","5","4","3","1") = "6"
    & skf21("4","3","6","7","5","4","4","1") = "6"
    & skf21("4","3","6","7","5","4","5","1") = "6"
    & skf21("4","3","6","7","5","4","6","1") = "6"
    & skf21("4","3","6","7","5","4","7","1") = "6"
    & skf21("4","3","6","7","5","5","1","1") = "6"
    & skf21("4","3","6","7","5","5","2","1") = "6"
    & skf21("4","3","6","7","5","5","3","1") = "6"
    & skf21("4","3","6","7","5","5","4","1") = "6"
    & skf21("4","3","6","7","5","5","5","1") = "6"
    & skf21("4","3","6","7","5","5","6","1") = "6"
    & skf21("4","3","6","7","5","5","7","1") = "6"
    & skf21("4","3","6","7","5","6","1","1") = "6"
    & skf21("4","3","6","7","5","6","2","1") = "6"
    & skf21("4","3","6","7","5","6","3","1") = "6"
    & skf21("4","3","6","7","5","6","4","1") = "6"
    & skf21("4","3","6","7","5","6","5","1") = "6"
    & skf21("4","3","6","7","5","6","6","1") = "6"
    & skf21("4","3","6","7","5","6","7","1") = "6"
    & skf21("4","3","6","7","5","7","1","1") = "6"
    & skf21("4","3","6","7","5","7","2","1") = "6"
    & skf21("4","3","6","7","5","7","3","1") = "6"
    & skf21("4","3","6","7","5","7","4","1") = "6"
    & skf21("4","3","6","7","5","7","5","1") = "6"
    & skf21("4","3","6","7","5","7","6","1") = "6"
    & skf21("4","3","6","7","5","7","7","1") = "6"
    & skf21("4","3","6","7","6","1","1","1") = "6"
    & skf21("4","3","6","7","6","1","2","1") = "6"
    & skf21("4","3","6","7","6","1","3","1") = "6"
    & skf21("4","3","6","7","6","1","4","1") = "6"
    & skf21("4","3","6","7","6","1","5","1") = "6"
    & skf21("4","3","6","7","6","1","6","1") = "6"
    & skf21("4","3","6","7","6","1","7","1") = "6"
    & skf21("4","3","6","7","6","2","1","1") = "6"
    & skf21("4","3","6","7","6","2","2","1") = "6"
    & skf21("4","3","6","7","6","2","3","1") = "6"
    & skf21("4","3","6","7","6","2","4","1") = "6"
    & skf21("4","3","6","7","6","2","5","1") = "6"
    & skf21("4","3","6","7","6","2","6","1") = "6"
    & skf21("4","3","6","7","6","2","7","1") = "6"
    & skf21("4","3","6","7","6","3","1","1") = "6"
    & skf21("4","3","6","7","6","3","2","1") = "6"
    & skf21("4","3","6","7","6","3","3","1") = "6"
    & skf21("4","3","6","7","6","3","4","1") = "6"
    & skf21("4","3","6","7","6","3","5","1") = "6"
    & skf21("4","3","6","7","6","3","6","1") = "6"
    & skf21("4","3","6","7","6","3","7","1") = "6"
    & skf21("4","3","6","7","6","4","1","1") = "6"
    & skf21("4","3","6","7","6","4","2","1") = "6"
    & skf21("4","3","6","7","6","4","3","1") = "6"
    & skf21("4","3","6","7","6","4","4","1") = "6"
    & skf21("4","3","6","7","6","4","5","1") = "6"
    & skf21("4","3","6","7","6","4","6","1") = "6"
    & skf21("4","3","6","7","6","4","7","1") = "6"
    & skf21("4","3","6","7","6","5","1","1") = "6"
    & skf21("4","3","6","7","6","5","2","1") = "6"
    & skf21("4","3","6","7","6","5","3","1") = "6"
    & skf21("4","3","6","7","6","5","4","1") = "6"
    & skf21("4","3","6","7","6","5","5","1") = "6"
    & skf21("4","3","6","7","6","5","6","1") = "6"
    & skf21("4","3","6","7","6","5","7","1") = "6"
    & skf21("4","3","6","7","6","6","1","1") = "6"
    & skf21("4","3","6","7","6","6","2","1") = "6"
    & skf21("4","3","6","7","6","6","3","1") = "6"
    & skf21("4","3","6","7","6","6","4","1") = "6"
    & skf21("4","3","6","7","6","6","5","1") = "6"
    & skf21("4","3","6","7","6","6","6","1") = "6"
    & skf21("4","3","6","7","6","6","7","1") = "6"
    & skf21("4","3","6","7","6","7","1","1") = "6"
    & skf21("4","3","6","7","6","7","2","1") = "6"
    & skf21("4","3","6","7","6","7","3","1") = "6"
    & skf21("4","3","6","7","6","7","4","1") = "6"
    & skf21("4","3","6","7","6","7","5","1") = "6"
    & skf21("4","3","6","7","6","7","6","1") = "6"
    & skf21("4","3","6","7","6","7","7","1") = "6"
    & skf21("4","3","6","7","7","1","1","1") = "6"
    & skf21("4","3","6","7","7","1","2","1") = "6"
    & skf21("4","3","6","7","7","1","3","1") = "6"
    & skf21("4","3","6","7","7","1","4","1") = "6"
    & skf21("4","3","6","7","7","1","5","1") = "6"
    & skf21("4","3","6","7","7","1","6","1") = "6"
    & skf21("4","3","6","7","7","1","7","1") = "6"
    & skf21("4","3","6","7","7","2","1","1") = "6"
    & skf21("4","3","6","7","7","2","2","1") = "6"
    & skf21("4","3","6","7","7","2","3","1") = "6"
    & skf21("4","3","6","7","7","2","4","1") = "6"
    & skf21("4","3","6","7","7","2","5","1") = "6"
    & skf21("4","3","6","7","7","2","6","1") = "6"
    & skf21("4","3","6","7","7","2","7","1") = "6"
    & skf21("4","3","6","7","7","3","1","1") = "6"
    & skf21("4","3","6","7","7","3","2","1") = "6"
    & skf21("4","3","6","7","7","3","3","1") = "6"
    & skf21("4","3","6","7","7","3","4","1") = "6"
    & skf21("4","3","6","7","7","3","5","1") = "6"
    & skf21("4","3","6","7","7","3","6","1") = "6"
    & skf21("4","3","6","7","7","3","7","1") = "6"
    & skf21("4","3","6","7","7","4","1","1") = "6"
    & skf21("4","3","6","7","7","4","2","1") = "6"
    & skf21("4","3","6","7","7","4","3","1") = "6"
    & skf21("4","3","6","7","7","4","4","1") = "6"
    & skf21("4","3","6","7","7","4","5","1") = "6"
    & skf21("4","3","6","7","7","4","6","1") = "6"
    & skf21("4","3","6","7","7","4","7","1") = "6"
    & skf21("4","3","6","7","7","5","1","1") = "6"
    & skf21("4","3","6","7","7","5","2","1") = "6"
    & skf21("4","3","6","7","7","5","3","1") = "6"
    & skf21("4","3","6","7","7","5","4","1") = "6"
    & skf21("4","3","6","7","7","5","5","1") = "6"
    & skf21("4","3","6","7","7","5","6","1") = "6"
    & skf21("4","3","6","7","7","5","7","1") = "6"
    & skf21("4","3","6","7","7","6","1","1") = "6"
    & skf21("4","3","6","7","7","6","2","1") = "6"
    & skf21("4","3","6","7","7","6","3","1") = "6"
    & skf21("4","3","6","7","7","6","4","1") = "6"
    & skf21("4","3","6","7","7","6","5","1") = "6"
    & skf21("4","3","6","7","7","6","6","1") = "6"
    & skf21("4","3","6","7","7","6","7","1") = "6"
    & skf21("4","3","6","7","7","7","1","1") = "6"
    & skf21("4","3","6","7","7","7","2","1") = "6"
    & skf21("4","3","6","7","7","7","3","1") = "6"
    & skf21("4","3","6","7","7","7","4","1") = "6"
    & skf21("4","3","6","7","7","7","5","1") = "6"
    & skf21("4","3","6","7","7","7","6","1") = "6"
    & skf21("4","3","6","7","7","7","7","1") = "6"
    & skf21("4","3","7","1","1","1","1","1") = "6"
    & skf21("4","3","7","1","1","1","2","1") = "6"
    & skf21("4","3","7","1","1","1","3","1") = "6"
    & skf21("4","3","7","1","1","1","4","1") = "6"
    & skf21("4","3","7","1","1","1","5","1") = "6"
    & skf21("4","3","7","1","1","1","6","1") = "6"
    & skf21("4","3","7","1","1","1","7","1") = "6"
    & skf21("4","3","7","1","1","2","1","1") = "6"
    & skf21("4","3","7","1","1","2","2","1") = "6"
    & skf21("4","3","7","1","1","2","3","1") = "6"
    & skf21("4","3","7","1","1","2","4","1") = "6"
    & skf21("4","3","7","1","1","2","5","1") = "6"
    & skf21("4","3","7","1","1","2","6","1") = "6"
    & skf21("4","3","7","1","1","2","7","1") = "6"
    & skf21("4","3","7","1","1","3","1","1") = "6"
    & skf21("4","3","7","1","1","3","2","1") = "6"
    & skf21("4","3","7","1","1","3","3","1") = "6"
    & skf21("4","3","7","1","1","3","4","1") = "6"
    & skf21("4","3","7","1","1","3","5","1") = "6"
    & skf21("4","3","7","1","1","3","6","1") = "6"
    & skf21("4","3","7","1","1","3","7","1") = "6"
    & skf21("4","3","7","1","1","4","1","1") = "6"
    & skf21("4","3","7","1","1","4","2","1") = "6"
    & skf21("4","3","7","1","1","4","3","1") = "6"
    & skf21("4","3","7","1","1","4","4","1") = "6"
    & skf21("4","3","7","1","1","4","5","1") = "6"
    & skf21("4","3","7","1","1","4","6","1") = "6"
    & skf21("4","3","7","1","1","4","7","1") = "6"
    & skf21("4","3","7","1","1","5","1","1") = "6"
    & skf21("4","3","7","1","1","5","2","1") = "6"
    & skf21("4","3","7","1","1","5","3","1") = "6"
    & skf21("4","3","7","1","1","5","4","1") = "6"
    & skf21("4","3","7","1","1","5","5","1") = "6"
    & skf21("4","3","7","1","1","5","6","1") = "6"
    & skf21("4","3","7","1","1","5","7","1") = "6"
    & skf21("4","3","7","1","1","6","1","1") = "6"
    & skf21("4","3","7","1","1","6","2","1") = "6"
    & skf21("4","3","7","1","1","6","3","1") = "6"
    & skf21("4","3","7","1","1","6","4","1") = "6"
    & skf21("4","3","7","1","1","6","5","1") = "6"
    & skf21("4","3","7","1","1","6","6","1") = "6"
    & skf21("4","3","7","1","1","6","7","1") = "6"
    & skf21("4","3","7","1","1","7","1","1") = "6"
    & skf21("4","3","7","1","1","7","2","1") = "6"
    & skf21("4","3","7","1","1","7","3","1") = "6"
    & skf21("4","3","7","1","1","7","4","1") = "6"
    & skf21("4","3","7","1","1","7","5","1") = "6"
    & skf21("4","3","7","1","1","7","6","1") = "6"
    & skf21("4","3","7","1","1","7","7","1") = "6"
    & skf21("4","3","7","1","2","1","1","1") = "6"
    & skf21("4","3","7","1","2","1","2","1") = "6"
    & skf21("4","3","7","1","2","1","3","1") = "6"
    & skf21("4","3","7","1","2","1","4","1") = "6"
    & skf21("4","3","7","1","2","1","5","1") = "6"
    & skf21("4","3","7","1","2","1","6","1") = "6"
    & skf21("4","3","7","1","2","1","7","1") = "6"
    & skf21("4","3","7","1","2","2","1","1") = "6"
    & skf21("4","3","7","1","2","2","2","1") = "6"
    & skf21("4","3","7","1","2","2","3","1") = "6"
    & skf21("4","3","7","1","2","2","4","1") = "6"
    & skf21("4","3","7","1","2","2","5","1") = "6"
    & skf21("4","3","7","1","2","2","6","1") = "6"
    & skf21("4","3","7","1","2","2","7","1") = "6"
    & skf21("4","3","7","1","2","3","1","1") = "6"
    & skf21("4","3","7","1","2","3","2","1") = "6"
    & skf21("4","3","7","1","2","3","3","1") = "6"
    & skf21("4","3","7","1","2","3","4","1") = "6"
    & skf21("4","3","7","1","2","3","5","1") = "6"
    & skf21("4","3","7","1","2","3","6","1") = "6"
    & skf21("4","3","7","1","2","3","7","1") = "6"
    & skf21("4","3","7","1","2","4","1","1") = "6"
    & skf21("4","3","7","1","2","4","2","1") = "6"
    & skf21("4","3","7","1","2","4","3","1") = "6"
    & skf21("4","3","7","1","2","4","4","1") = "6"
    & skf21("4","3","7","1","2","4","5","1") = "6"
    & skf21("4","3","7","1","2","4","6","1") = "6"
    & skf21("4","3","7","1","2","4","7","1") = "6"
    & skf21("4","3","7","1","2","5","1","1") = "6"
    & skf21("4","3","7","1","2","5","2","1") = "6"
    & skf21("4","3","7","1","2","5","3","1") = "6"
    & skf21("4","3","7","1","2","5","4","1") = "6"
    & skf21("4","3","7","1","2","5","5","1") = "6"
    & skf21("4","3","7","1","2","5","6","1") = "6"
    & skf21("4","3","7","1","2","5","7","1") = "6"
    & skf21("4","3","7","1","2","6","1","1") = "6"
    & skf21("4","3","7","1","2","6","2","1") = "6"
    & skf21("4","3","7","1","2","6","3","1") = "6"
    & skf21("4","3","7","1","2","6","4","1") = "6"
    & skf21("4","3","7","1","2","6","5","1") = "6"
    & skf21("4","3","7","1","2","6","6","1") = "6"
    & skf21("4","3","7","1","2","6","7","1") = "6"
    & skf21("4","3","7","1","2","7","1","1") = "6"
    & skf21("4","3","7","1","2","7","2","1") = "6"
    & skf21("4","3","7","1","2","7","3","1") = "6"
    & skf21("4","3","7","1","2","7","4","1") = "6"
    & skf21("4","3","7","1","2","7","5","1") = "6"
    & skf21("4","3","7","1","2","7","6","1") = "6"
    & skf21("4","3","7","1","2","7","7","1") = "6"
    & skf21("4","3","7","1","3","1","1","1") = "6"
    & skf21("4","3","7","1","3","1","2","1") = "6"
    & skf21("4","3","7","1","3","1","3","1") = "6"
    & skf21("4","3","7","1","3","1","4","1") = "6"
    & skf21("4","3","7","1","3","1","5","1") = "6"
    & skf21("4","3","7","1","3","1","6","1") = "6"
    & skf21("4","3","7","1","3","1","7","1") = "6"
    & skf21("4","3","7","1","3","2","1","1") = "6"
    & skf21("4","3","7","1","3","2","2","1") = "6"
    & skf21("4","3","7","1","3","2","3","1") = "6"
    & skf21("4","3","7","1","3","2","4","1") = "6"
    & skf21("4","3","7","1","3","2","5","1") = "6"
    & skf21("4","3","7","1","3","2","6","1") = "6"
    & skf21("4","3","7","1","3","2","7","1") = "6"
    & skf21("4","3","7","1","3","3","1","1") = "6"
    & skf21("4","3","7","1","3","3","2","1") = "6"
    & skf21("4","3","7","1","3","3","3","1") = "6"
    & skf21("4","3","7","1","3","3","4","1") = "6"
    & skf21("4","3","7","1","3","3","5","1") = "6"
    & skf21("4","3","7","1","3","3","6","1") = "6"
    & skf21("4","3","7","1","3","3","7","1") = "6"
    & skf21("4","3","7","1","3","4","1","1") = "6"
    & skf21("4","3","7","1","3","4","2","1") = "6"
    & skf21("4","3","7","1","3","4","3","1") = "6"
    & skf21("4","3","7","1","3","4","4","1") = "6"
    & skf21("4","3","7","1","3","4","5","1") = "6"
    & skf21("4","3","7","1","3","4","6","1") = "6"
    & skf21("4","3","7","1","3","4","7","1") = "6"
    & skf21("4","3","7","1","3","5","1","1") = "6"
    & skf21("4","3","7","1","3","5","2","1") = "6"
    & skf21("4","3","7","1","3","5","3","1") = "6"
    & skf21("4","3","7","1","3","5","4","1") = "6"
    & skf21("4","3","7","1","3","5","5","1") = "6"
    & skf21("4","3","7","1","3","5","6","1") = "6"
    & skf21("4","3","7","1","3","5","7","1") = "6"
    & skf21("4","3","7","1","3","6","1","1") = "6"
    & skf21("4","3","7","1","3","6","2","1") = "6"
    & skf21("4","3","7","1","3","6","3","1") = "6"
    & skf21("4","3","7","1","3","6","4","1") = "6"
    & skf21("4","3","7","1","3","6","5","1") = "6"
    & skf21("4","3","7","1","3","6","6","1") = "6"
    & skf21("4","3","7","1","3","6","7","1") = "6"
    & skf21("4","3","7","1","3","7","1","1") = "6"
    & skf21("4","3","7","1","3","7","2","1") = "6"
    & skf21("4","3","7","1","3","7","3","1") = "6"
    & skf21("4","3","7","1","3","7","4","1") = "6"
    & skf21("4","3","7","1","3","7","5","1") = "6"
    & skf21("4","3","7","1","3","7","6","1") = "6"
    & skf21("4","3","7","1","3","7","7","1") = "6"
    & skf21("4","3","7","1","4","1","1","1") = "6"
    & skf21("4","3","7","1","4","1","2","1") = "6"
    & skf21("4","3","7","1","4","1","3","1") = "6"
    & skf21("4","3","7","1","4","1","4","1") = "6"
    & skf21("4","3","7","1","4","1","5","1") = "6"
    & skf21("4","3","7","1","4","1","6","1") = "6"
    & skf21("4","3","7","1","4","1","7","1") = "6"
    & skf21("4","3","7","1","4","2","1","1") = "6"
    & skf21("4","3","7","1","4","2","2","1") = "6"
    & skf21("4","3","7","1","4","2","3","1") = "6"
    & skf21("4","3","7","1","4","2","4","1") = "6"
    & skf21("4","3","7","1","4","2","5","1") = "6"
    & skf21("4","3","7","1","4","2","6","1") = "6"
    & skf21("4","3","7","1","4","2","7","1") = "6"
    & skf21("4","3","7","1","4","3","1","1") = "6"
    & skf21("4","3","7","1","4","3","2","1") = "6"
    & skf21("4","3","7","1","4","3","3","1") = "6"
    & skf21("4","3","7","1","4","3","4","1") = "6"
    & skf21("4","3","7","1","4","3","5","1") = "6"
    & skf21("4","3","7","1","4","3","6","1") = "6"
    & skf21("4","3","7","1","4","3","7","1") = "6"
    & skf21("4","3","7","1","4","4","1","1") = "6"
    & skf21("4","3","7","1","4","4","2","1") = "6"
    & skf21("4","3","7","1","4","4","3","1") = "6"
    & skf21("4","3","7","1","4","4","4","1") = "6"
    & skf21("4","3","7","1","4","4","5","1") = "6"
    & skf21("4","3","7","1","4","4","6","1") = "6"
    & skf21("4","3","7","1","4","4","7","1") = "6"
    & skf21("4","3","7","1","4","5","1","1") = "6"
    & skf21("4","3","7","1","4","5","2","1") = "6"
    & skf21("4","3","7","1","4","5","3","1") = "6"
    & skf21("4","3","7","1","4","5","4","1") = "6"
    & skf21("4","3","7","1","4","5","5","1") = "6"
    & skf21("4","3","7","1","4","5","6","1") = "6"
    & skf21("4","3","7","1","4","5","7","1") = "6"
    & skf21("4","3","7","1","4","6","1","1") = "6"
    & skf21("4","3","7","1","4","6","2","1") = "6"
    & skf21("4","3","7","1","4","6","3","1") = "6"
    & skf21("4","3","7","1","4","6","4","1") = "6"
    & skf21("4","3","7","1","4","6","5","1") = "6"
    & skf21("4","3","7","1","4","6","6","1") = "6"
    & skf21("4","3","7","1","4","6","7","1") = "6"
    & skf21("4","3","7","1","4","7","1","1") = "6"
    & skf21("4","3","7","1","4","7","2","1") = "6"
    & skf21("4","3","7","1","4","7","3","1") = "6"
    & skf21("4","3","7","1","4","7","4","1") = "6"
    & skf21("4","3","7","1","4","7","5","1") = "6"
    & skf21("4","3","7","1","4","7","6","1") = "6"
    & skf21("4","3","7","1","4","7","7","1") = "6"
    & skf21("4","3","7","1","5","1","1","1") = "6"
    & skf21("4","3","7","1","5","1","2","1") = "6"
    & skf21("4","3","7","1","5","1","3","1") = "6"
    & skf21("4","3","7","1","5","1","4","1") = "6"
    & skf21("4","3","7","1","5","1","5","1") = "6"
    & skf21("4","3","7","1","5","1","6","1") = "6"
    & skf21("4","3","7","1","5","1","7","1") = "6"
    & skf21("4","3","7","1","5","2","1","1") = "6"
    & skf21("4","3","7","1","5","2","2","1") = "6"
    & skf21("4","3","7","1","5","2","3","1") = "6"
    & skf21("4","3","7","1","5","2","4","1") = "6"
    & skf21("4","3","7","1","5","2","5","1") = "6"
    & skf21("4","3","7","1","5","2","6","1") = "6"
    & skf21("4","3","7","1","5","2","7","1") = "6"
    & skf21("4","3","7","1","5","3","1","1") = "6"
    & skf21("4","3","7","1","5","3","2","1") = "6"
    & skf21("4","3","7","1","5","3","3","1") = "6"
    & skf21("4","3","7","1","5","3","4","1") = "6"
    & skf21("4","3","7","1","5","3","5","1") = "6"
    & skf21("4","3","7","1","5","3","6","1") = "6"
    & skf21("4","3","7","1","5","3","7","1") = "6"
    & skf21("4","3","7","1","5","4","1","1") = "6"
    & skf21("4","3","7","1","5","4","2","1") = "6"
    & skf21("4","3","7","1","5","4","3","1") = "6"
    & skf21("4","3","7","1","5","4","4","1") = "6"
    & skf21("4","3","7","1","5","4","5","1") = "6"
    & skf21("4","3","7","1","5","4","6","1") = "6"
    & skf21("4","3","7","1","5","4","7","1") = "6"
    & skf21("4","3","7","1","5","5","1","1") = "6"
    & skf21("4","3","7","1","5","5","2","1") = "6"
    & skf21("4","3","7","1","5","5","3","1") = "6"
    & skf21("4","3","7","1","5","5","4","1") = "6"
    & skf21("4","3","7","1","5","5","5","1") = "6"
    & skf21("4","3","7","1","5","5","6","1") = "6"
    & skf21("4","3","7","1","5","5","7","1") = "6"
    & skf21("4","3","7","1","5","6","1","1") = "6"
    & skf21("4","3","7","1","5","6","2","1") = "6"
    & skf21("4","3","7","1","5","6","3","1") = "6"
    & skf21("4","3","7","1","5","6","4","1") = "6"
    & skf21("4","3","7","1","5","6","5","1") = "6"
    & skf21("4","3","7","1","5","6","6","1") = "6"
    & skf21("4","3","7","1","5","6","7","1") = "6"
    & skf21("4","3","7","1","5","7","1","1") = "6"
    & skf21("4","3","7","1","5","7","2","1") = "6"
    & skf21("4","3","7","1","5","7","3","1") = "6"
    & skf21("4","3","7","1","5","7","4","1") = "6"
    & skf21("4","3","7","1","5","7","5","1") = "6"
    & skf21("4","3","7","1","5","7","6","1") = "6"
    & skf21("4","3","7","1","5","7","7","1") = "6"
    & skf21("4","3","7","1","6","1","1","1") = "6"
    & skf21("4","3","7","1","6","1","2","1") = "6"
    & skf21("4","3","7","1","6","1","3","1") = "6"
    & skf21("4","3","7","1","6","1","4","1") = "6"
    & skf21("4","3","7","1","6","1","5","1") = "6"
    & skf21("4","3","7","1","6","1","6","1") = "6"
    & skf21("4","3","7","1","6","1","7","1") = "6"
    & skf21("4","3","7","1","6","2","1","1") = "6"
    & skf21("4","3","7","1","6","2","2","1") = "6"
    & skf21("4","3","7","1","6","2","3","1") = "6"
    & skf21("4","3","7","1","6","2","4","1") = "6"
    & skf21("4","3","7","1","6","2","5","1") = "6"
    & skf21("4","3","7","1","6","2","6","1") = "6"
    & skf21("4","3","7","1","6","2","7","1") = "6"
    & skf21("4","3","7","1","6","3","1","1") = "6"
    & skf21("4","3","7","1","6","3","2","1") = "6"
    & skf21("4","3","7","1","6","3","3","1") = "6"
    & skf21("4","3","7","1","6","3","4","1") = "6"
    & skf21("4","3","7","1","6","3","5","1") = "6"
    & skf21("4","3","7","1","6","3","6","1") = "6"
    & skf21("4","3","7","1","6","3","7","1") = "6"
    & skf21("4","3","7","1","6","4","1","1") = "6"
    & skf21("4","3","7","1","6","4","2","1") = "6"
    & skf21("4","3","7","1","6","4","3","1") = "6"
    & skf21("4","3","7","1","6","4","4","1") = "6"
    & skf21("4","3","7","1","6","4","5","1") = "6"
    & skf21("4","3","7","1","6","4","6","1") = "6"
    & skf21("4","3","7","1","6","4","7","1") = "6"
    & skf21("4","3","7","1","6","5","1","1") = "6"
    & skf21("4","3","7","1","6","5","2","1") = "6"
    & skf21("4","3","7","1","6","5","3","1") = "6"
    & skf21("4","3","7","1","6","5","4","1") = "6"
    & skf21("4","3","7","1","6","5","5","1") = "6"
    & skf21("4","3","7","1","6","5","6","1") = "6"
    & skf21("4","3","7","1","6","5","7","1") = "6"
    & skf21("4","3","7","1","6","6","1","1") = "6"
    & skf21("4","3","7","1","6","6","2","1") = "6"
    & skf21("4","3","7","1","6","6","3","1") = "6"
    & skf21("4","3","7","1","6","6","4","1") = "6"
    & skf21("4","3","7","1","6","6","5","1") = "6"
    & skf21("4","3","7","1","6","6","6","1") = "6"
    & skf21("4","3","7","1","6","6","7","1") = "6"
    & skf21("4","3","7","1","6","7","1","1") = "6"
    & skf21("4","3","7","1","6","7","2","1") = "6"
    & skf21("4","3","7","1","6","7","3","1") = "6"
    & skf21("4","3","7","1","6","7","4","1") = "6"
    & skf21("4","3","7","1","6","7","5","1") = "6"
    & skf21("4","3","7","1","6","7","6","1") = "6"
    & skf21("4","3","7","1","6","7","7","1") = "6"
    & skf21("4","3","7","1","7","1","1","1") = "6"
    & skf21("4","3","7","1","7","1","2","1") = "6"
    & skf21("4","3","7","1","7","1","3","1") = "6"
    & skf21("4","3","7","1","7","1","4","1") = "6"
    & skf21("4","3","7","1","7","1","5","1") = "6"
    & skf21("4","3","7","1","7","1","6","1") = "6"
    & skf21("4","3","7","1","7","1","7","1") = "6"
    & skf21("4","3","7","1","7","2","1","1") = "6"
    & skf21("4","3","7","1","7","2","2","1") = "6"
    & skf21("4","3","7","1","7","2","3","1") = "6"
    & skf21("4","3","7","1","7","2","4","1") = "6"
    & skf21("4","3","7","1","7","2","5","1") = "6"
    & skf21("4","3","7","1","7","2","6","1") = "6"
    & skf21("4","3","7","1","7","2","7","1") = "6"
    & skf21("4","3","7","1","7","3","1","1") = "6"
    & skf21("4","3","7","1","7","3","2","1") = "6"
    & skf21("4","3","7","1","7","3","3","1") = "6"
    & skf21("4","3","7","1","7","3","4","1") = "6"
    & skf21("4","3","7","1","7","3","5","1") = "6"
    & skf21("4","3","7","1","7","3","6","1") = "6"
    & skf21("4","3","7","1","7","3","7","1") = "6"
    & skf21("4","3","7","1","7","4","1","1") = "6"
    & skf21("4","3","7","1","7","4","2","1") = "6"
    & skf21("4","3","7","1","7","4","3","1") = "6"
    & skf21("4","3","7","1","7","4","4","1") = "6"
    & skf21("4","3","7","1","7","4","5","1") = "6"
    & skf21("4","3","7","1","7","4","6","1") = "6"
    & skf21("4","3","7","1","7","4","7","1") = "6"
    & skf21("4","3","7","1","7","5","1","1") = "6"
    & skf21("4","3","7","1","7","5","2","1") = "6"
    & skf21("4","3","7","1","7","5","3","1") = "6"
    & skf21("4","3","7","1","7","5","4","1") = "6"
    & skf21("4","3","7","1","7","5","5","1") = "6"
    & skf21("4","3","7","1","7","5","6","1") = "6"
    & skf21("4","3","7","1","7","5","7","1") = "6"
    & skf21("4","3","7","1","7","6","1","1") = "6"
    & skf21("4","3","7","1","7","6","2","1") = "6"
    & skf21("4","3","7","1","7","6","3","1") = "6"
    & skf21("4","3","7","1","7","6","4","1") = "6"
    & skf21("4","3","7","1","7","6","5","1") = "6"
    & skf21("4","3","7","1","7","6","6","1") = "6"
    & skf21("4","3","7","1","7","6","7","1") = "6"
    & skf21("4","3","7","1","7","7","1","1") = "6"
    & skf21("4","3","7","1","7","7","2","1") = "6"
    & skf21("4","3","7","1","7","7","3","1") = "6"
    & skf21("4","3","7","1","7","7","4","1") = "6"
    & skf21("4","3","7","1","7","7","5","1") = "6"
    & skf21("4","3","7","1","7","7","6","1") = "6"
    & skf21("4","3","7","1","7","7","7","1") = "6"
    & skf21("4","3","7","2","1","1","1","1") = "6"
    & skf21("4","3","7","2","1","1","2","1") = "6"
    & skf21("4","3","7","2","1","1","3","1") = "6"
    & skf21("4","3","7","2","1","1","4","1") = "6"
    & skf21("4","3","7","2","1","1","5","1") = "6"
    & skf21("4","3","7","2","1","1","6","1") = "6"
    & skf21("4","3","7","2","1","1","7","1") = "6"
    & skf21("4","3","7","2","1","2","1","1") = "6"
    & skf21("4","3","7","2","1","2","2","1") = "6"
    & skf21("4","3","7","2","1","2","3","1") = "6"
    & skf21("4","3","7","2","1","2","4","1") = "6"
    & skf21("4","3","7","2","1","2","5","1") = "6"
    & skf21("4","3","7","2","1","2","6","1") = "6"
    & skf21("4","3","7","2","1","2","7","1") = "6"
    & skf21("4","3","7","2","1","3","1","1") = "6"
    & skf21("4","3","7","2","1","3","2","1") = "6"
    & skf21("4","3","7","2","1","3","3","1") = "6"
    & skf21("4","3","7","2","1","3","4","1") = "6"
    & skf21("4","3","7","2","1","3","5","1") = "6"
    & skf21("4","3","7","2","1","3","6","1") = "6"
    & skf21("4","3","7","2","1","3","7","1") = "6"
    & skf21("4","3","7","2","1","4","1","1") = "6"
    & skf21("4","3","7","2","1","4","2","1") = "6"
    & skf21("4","3","7","2","1","4","3","1") = "6"
    & skf21("4","3","7","2","1","4","4","1") = "6"
    & skf21("4","3","7","2","1","4","5","1") = "6"
    & skf21("4","3","7","2","1","4","6","1") = "6"
    & skf21("4","3","7","2","1","4","7","1") = "6"
    & skf21("4","3","7","2","1","5","1","1") = "6"
    & skf21("4","3","7","2","1","5","2","1") = "6"
    & skf21("4","3","7","2","1","5","3","1") = "6"
    & skf21("4","3","7","2","1","5","4","1") = "6"
    & skf21("4","3","7","2","1","5","5","1") = "6"
    & skf21("4","3","7","2","1","5","6","1") = "6"
    & skf21("4","3","7","2","1","5","7","1") = "6"
    & skf21("4","3","7","2","1","6","1","1") = "6"
    & skf21("4","3","7","2","1","6","2","1") = "6"
    & skf21("4","3","7","2","1","6","3","1") = "6"
    & skf21("4","3","7","2","1","6","4","1") = "6"
    & skf21("4","3","7","2","1","6","5","1") = "6"
    & skf21("4","3","7","2","1","6","6","1") = "6"
    & skf21("4","3","7","2","1","6","7","1") = "6"
    & skf21("4","3","7","2","1","7","1","1") = "6"
    & skf21("4","3","7","2","1","7","2","1") = "6"
    & skf21("4","3","7","2","1","7","3","1") = "6"
    & skf21("4","3","7","2","1","7","4","1") = "6"
    & skf21("4","3","7","2","1","7","5","1") = "6"
    & skf21("4","3","7","2","1","7","6","1") = "6"
    & skf21("4","3","7","2","1","7","7","1") = "6"
    & skf21("4","3","7","2","2","1","1","1") = "6"
    & skf21("4","3","7","2","2","1","2","1") = "6"
    & skf21("4","3","7","2","2","1","3","1") = "6"
    & skf21("4","3","7","2","2","1","4","1") = "6"
    & skf21("4","3","7","2","2","1","5","1") = "6"
    & skf21("4","3","7","2","2","1","6","1") = "6"
    & skf21("4","3","7","2","2","1","7","1") = "6"
    & skf21("4","3","7","2","2","2","1","1") = "6"
    & skf21("4","3","7","2","2","2","2","1") = "6"
    & skf21("4","3","7","2","2","2","3","1") = "6"
    & skf21("4","3","7","2","2","2","4","1") = "6"
    & skf21("4","3","7","2","2","2","5","1") = "6"
    & skf21("4","3","7","2","2","2","6","1") = "6"
    & skf21("4","3","7","2","2","2","7","1") = "6"
    & skf21("4","3","7","2","2","3","1","1") = "6"
    & skf21("4","3","7","2","2","3","2","1") = "6"
    & skf21("4","3","7","2","2","3","3","1") = "6"
    & skf21("4","3","7","2","2","3","4","1") = "6"
    & skf21("4","3","7","2","2","3","5","1") = "6"
    & skf21("4","3","7","2","2","3","6","1") = "6"
    & skf21("4","3","7","2","2","3","7","1") = "6"
    & skf21("4","3","7","2","2","4","1","1") = "6"
    & skf21("4","3","7","2","2","4","2","1") = "6"
    & skf21("4","3","7","2","2","4","3","1") = "6"
    & skf21("4","3","7","2","2","4","4","1") = "6"
    & skf21("4","3","7","2","2","4","5","1") = "6"
    & skf21("4","3","7","2","2","4","6","1") = "6"
    & skf21("4","3","7","2","2","4","7","1") = "6"
    & skf21("4","3","7","2","2","5","1","1") = "6"
    & skf21("4","3","7","2","2","5","2","1") = "6"
    & skf21("4","3","7","2","2","5","3","1") = "6"
    & skf21("4","3","7","2","2","5","4","1") = "6"
    & skf21("4","3","7","2","2","5","5","1") = "6"
    & skf21("4","3","7","2","2","5","6","1") = "6"
    & skf21("4","3","7","2","2","5","7","1") = "6"
    & skf21("4","3","7","2","2","6","1","1") = "6"
    & skf21("4","3","7","2","2","6","2","1") = "6"
    & skf21("4","3","7","2","2","6","3","1") = "6"
    & skf21("4","3","7","2","2","6","4","1") = "6"
    & skf21("4","3","7","2","2","6","5","1") = "6"
    & skf21("4","3","7","2","2","6","6","1") = "6"
    & skf21("4","3","7","2","2","6","7","1") = "6"
    & skf21("4","3","7","2","2","7","1","1") = "6"
    & skf21("4","3","7","2","2","7","2","1") = "6"
    & skf21("4","3","7","2","2","7","3","1") = "6"
    & skf21("4","3","7","2","2","7","4","1") = "6"
    & skf21("4","3","7","2","2","7","5","1") = "6"
    & skf21("4","3","7","2","2","7","6","1") = "6"
    & skf21("4","3","7","2","2","7","7","1") = "6"
    & skf21("4","3","7","2","3","1","1","1") = "6"
    & skf21("4","3","7","2","3","1","2","1") = "6"
    & skf21("4","3","7","2","3","1","3","1") = "6"
    & skf21("4","3","7","2","3","1","4","1") = "6"
    & skf21("4","3","7","2","3","1","5","1") = "6"
    & skf21("4","3","7","2","3","1","6","1") = "6"
    & skf21("4","3","7","2","3","1","7","1") = "6"
    & skf21("4","3","7","2","3","2","1","1") = "6"
    & skf21("4","3","7","2","3","2","2","1") = "6"
    & skf21("4","3","7","2","3","2","3","1") = "6"
    & skf21("4","3","7","2","3","2","4","1") = "6"
    & skf21("4","3","7","2","3","2","5","1") = "6"
    & skf21("4","3","7","2","3","2","6","1") = "6"
    & skf21("4","3","7","2","3","2","7","1") = "6"
    & skf21("4","3","7","2","3","3","1","1") = "6"
    & skf21("4","3","7","2","3","3","2","1") = "6"
    & skf21("4","3","7","2","3","3","3","1") = "6"
    & skf21("4","3","7","2","3","3","4","1") = "6"
    & skf21("4","3","7","2","3","3","5","1") = "6"
    & skf21("4","3","7","2","3","3","6","1") = "6"
    & skf21("4","3","7","2","3","3","7","1") = "6"
    & skf21("4","3","7","2","3","4","1","1") = "6"
    & skf21("4","3","7","2","3","4","2","1") = "6"
    & skf21("4","3","7","2","3","4","3","1") = "6"
    & skf21("4","3","7","2","3","4","4","1") = "6"
    & skf21("4","3","7","2","3","4","5","1") = "6"
    & skf21("4","3","7","2","3","4","6","1") = "6"
    & skf21("4","3","7","2","3","4","7","1") = "6"
    & skf21("4","3","7","2","3","5","1","1") = "6"
    & skf21("4","3","7","2","3","5","2","1") = "6"
    & skf21("4","3","7","2","3","5","3","1") = "6"
    & skf21("4","3","7","2","3","5","4","1") = "6"
    & skf21("4","3","7","2","3","5","5","1") = "6"
    & skf21("4","3","7","2","3","5","6","1") = "6"
    & skf21("4","3","7","2","3","5","7","1") = "6"
    & skf21("4","3","7","2","3","6","1","1") = "6"
    & skf21("4","3","7","2","3","6","2","1") = "6"
    & skf21("4","3","7","2","3","6","3","1") = "6"
    & skf21("4","3","7","2","3","6","4","1") = "6"
    & skf21("4","3","7","2","3","6","5","1") = "6"
    & skf21("4","3","7","2","3","6","6","1") = "6"
    & skf21("4","3","7","2","3","6","7","1") = "6"
    & skf21("4","3","7","2","3","7","1","1") = "6"
    & skf21("4","3","7","2","3","7","2","1") = "6"
    & skf21("4","3","7","2","3","7","3","1") = "6"
    & skf21("4","3","7","2","3","7","4","1") = "6"
    & skf21("4","3","7","2","3","7","5","1") = "6"
    & skf21("4","3","7","2","3","7","6","1") = "6"
    & skf21("4","3","7","2","3","7","7","1") = "6"
    & skf21("4","3","7","2","4","1","1","1") = "6"
    & skf21("4","3","7","2","4","1","2","1") = "6"
    & skf21("4","3","7","2","4","1","3","1") = "6"
    & skf21("4","3","7","2","4","1","4","1") = "6"
    & skf21("4","3","7","2","4","1","5","1") = "6"
    & skf21("4","3","7","2","4","1","6","1") = "6"
    & skf21("4","3","7","2","4","1","7","1") = "6"
    & skf21("4","3","7","2","4","2","1","1") = "6"
    & skf21("4","3","7","2","4","2","2","1") = "6"
    & skf21("4","3","7","2","4","2","3","1") = "6"
    & skf21("4","3","7","2","4","2","4","1") = "6"
    & skf21("4","3","7","2","4","2","5","1") = "6"
    & skf21("4","3","7","2","4","2","6","1") = "6"
    & skf21("4","3","7","2","4","2","7","1") = "6"
    & skf21("4","3","7","2","4","3","1","1") = "6"
    & skf21("4","3","7","2","4","3","2","1") = "6"
    & skf21("4","3","7","2","4","3","3","1") = "6"
    & skf21("4","3","7","2","4","3","4","1") = "6"
    & skf21("4","3","7","2","4","3","5","1") = "6"
    & skf21("4","3","7","2","4","3","6","1") = "6"
    & skf21("4","3","7","2","4","3","7","1") = "6"
    & skf21("4","3","7","2","4","4","1","1") = "6"
    & skf21("4","3","7","2","4","4","2","1") = "6"
    & skf21("4","3","7","2","4","4","3","1") = "6"
    & skf21("4","3","7","2","4","4","4","1") = "6"
    & skf21("4","3","7","2","4","4","5","1") = "6"
    & skf21("4","3","7","2","4","4","6","1") = "6"
    & skf21("4","3","7","2","4","4","7","1") = "6"
    & skf21("4","3","7","2","4","5","1","1") = "6"
    & skf21("4","3","7","2","4","5","2","1") = "6"
    & skf21("4","3","7","2","4","5","3","1") = "6"
    & skf21("4","3","7","2","4","5","4","1") = "6"
    & skf21("4","3","7","2","4","5","5","1") = "6"
    & skf21("4","3","7","2","4","5","6","1") = "6"
    & skf21("4","3","7","2","4","5","7","1") = "6"
    & skf21("4","3","7","2","4","6","1","1") = "6"
    & skf21("4","3","7","2","4","6","2","1") = "6"
    & skf21("4","3","7","2","4","6","3","1") = "6"
    & skf21("4","3","7","2","4","6","4","1") = "6"
    & skf21("4","3","7","2","4","6","5","1") = "6"
    & skf21("4","3","7","2","4","6","6","1") = "6"
    & skf21("4","3","7","2","4","6","7","1") = "6"
    & skf21("4","3","7","2","4","7","1","1") = "6"
    & skf21("4","3","7","2","4","7","2","1") = "6"
    & skf21("4","3","7","2","4","7","3","1") = "6"
    & skf21("4","3","7","2","4","7","4","1") = "6"
    & skf21("4","3","7","2","4","7","5","1") = "6"
    & skf21("4","3","7","2","4","7","6","1") = "6"
    & skf21("4","3","7","2","4","7","7","1") = "6"
    & skf21("4","3","7","2","5","1","1","1") = "6"
    & skf21("4","3","7","2","5","1","2","1") = "6"
    & skf21("4","3","7","2","5","1","3","1") = "6"
    & skf21("4","3","7","2","5","1","4","1") = "6"
    & skf21("4","3","7","2","5","1","5","1") = "6"
    & skf21("4","3","7","2","5","1","6","1") = "6"
    & skf21("4","3","7","2","5","1","7","1") = "6"
    & skf21("4","3","7","2","5","2","1","1") = "6"
    & skf21("4","3","7","2","5","2","2","1") = "6"
    & skf21("4","3","7","2","5","2","3","1") = "6"
    & skf21("4","3","7","2","5","2","4","1") = "6"
    & skf21("4","3","7","2","5","2","5","1") = "6"
    & skf21("4","3","7","2","5","2","6","1") = "6"
    & skf21("4","3","7","2","5","2","7","1") = "6"
    & skf21("4","3","7","2","5","3","1","1") = "6"
    & skf21("4","3","7","2","5","3","2","1") = "6"
    & skf21("4","3","7","2","5","3","3","1") = "6"
    & skf21("4","3","7","2","5","3","4","1") = "6"
    & skf21("4","3","7","2","5","3","5","1") = "6"
    & skf21("4","3","7","2","5","3","6","1") = "6"
    & skf21("4","3","7","2","5","3","7","1") = "6"
    & skf21("4","3","7","2","5","4","1","1") = "6"
    & skf21("4","3","7","2","5","4","2","1") = "6"
    & skf21("4","3","7","2","5","4","3","1") = "6"
    & skf21("4","3","7","2","5","4","4","1") = "6"
    & skf21("4","3","7","2","5","4","5","1") = "6"
    & skf21("4","3","7","2","5","4","6","1") = "6"
    & skf21("4","3","7","2","5","4","7","1") = "6"
    & skf21("4","3","7","2","5","5","1","1") = "6"
    & skf21("4","3","7","2","5","5","2","1") = "6"
    & skf21("4","3","7","2","5","5","3","1") = "6"
    & skf21("4","3","7","2","5","5","4","1") = "6"
    & skf21("4","3","7","2","5","5","5","1") = "6"
    & skf21("4","3","7","2","5","5","6","1") = "6"
    & skf21("4","3","7","2","5","5","7","1") = "6"
    & skf21("4","3","7","2","5","6","1","1") = "6"
    & skf21("4","3","7","2","5","6","2","1") = "6"
    & skf21("4","3","7","2","5","6","3","1") = "6"
    & skf21("4","3","7","2","5","6","4","1") = "6"
    & skf21("4","3","7","2","5","6","5","1") = "6"
    & skf21("4","3","7","2","5","6","6","1") = "6"
    & skf21("4","3","7","2","5","6","7","1") = "6"
    & skf21("4","3","7","2","5","7","1","1") = "6"
    & skf21("4","3","7","2","5","7","2","1") = "6"
    & skf21("4","3","7","2","5","7","3","1") = "6"
    & skf21("4","3","7","2","5","7","4","1") = "6"
    & skf21("4","3","7","2","5","7","5","1") = "6"
    & skf21("4","3","7","2","5","7","6","1") = "6"
    & skf21("4","3","7","2","5","7","7","1") = "6"
    & skf21("4","3","7","2","6","1","1","1") = "6"
    & skf21("4","3","7","2","6","1","2","1") = "6"
    & skf21("4","3","7","2","6","1","3","1") = "6"
    & skf21("4","3","7","2","6","1","4","1") = "6"
    & skf21("4","3","7","2","6","1","5","1") = "6"
    & skf21("4","3","7","2","6","1","6","1") = "6"
    & skf21("4","3","7","2","6","1","7","1") = "6"
    & skf21("4","3","7","2","6","2","1","1") = "6"
    & skf21("4","3","7","2","6","2","2","1") = "6"
    & skf21("4","3","7","2","6","2","3","1") = "6"
    & skf21("4","3","7","2","6","2","4","1") = "6"
    & skf21("4","3","7","2","6","2","5","1") = "6"
    & skf21("4","3","7","2","6","2","6","1") = "6"
    & skf21("4","3","7","2","6","2","7","1") = "6"
    & skf21("4","3","7","2","6","3","1","1") = "6"
    & skf21("4","3","7","2","6","3","2","1") = "6"
    & skf21("4","3","7","2","6","3","3","1") = "6"
    & skf21("4","3","7","2","6","3","4","1") = "6"
    & skf21("4","3","7","2","6","3","5","1") = "6"
    & skf21("4","3","7","2","6","3","6","1") = "6"
    & skf21("4","3","7","2","6","3","7","1") = "6"
    & skf21("4","3","7","2","6","4","1","1") = "6"
    & skf21("4","3","7","2","6","4","2","1") = "6"
    & skf21("4","3","7","2","6","4","3","1") = "6"
    & skf21("4","3","7","2","6","4","4","1") = "6"
    & skf21("4","3","7","2","6","4","5","1") = "6"
    & skf21("4","3","7","2","6","4","6","1") = "6"
    & skf21("4","3","7","2","6","4","7","1") = "6"
    & skf21("4","3","7","2","6","5","1","1") = "6"
    & skf21("4","3","7","2","6","5","2","1") = "6"
    & skf21("4","3","7","2","6","5","3","1") = "6"
    & skf21("4","3","7","2","6","5","4","1") = "6"
    & skf21("4","3","7","2","6","5","5","1") = "6"
    & skf21("4","3","7","2","6","5","6","1") = "6"
    & skf21("4","3","7","2","6","5","7","1") = "6"
    & skf21("4","3","7","2","6","6","1","1") = "6"
    & skf21("4","3","7","2","6","6","2","1") = "6"
    & skf21("4","3","7","2","6","6","3","1") = "6"
    & skf21("4","3","7","2","6","6","4","1") = "6"
    & skf21("4","3","7","2","6","6","5","1") = "6"
    & skf21("4","3","7","2","6","6","6","1") = "6"
    & skf21("4","3","7","2","6","6","7","1") = "6"
    & skf21("4","3","7","2","6","7","1","1") = "6"
    & skf21("4","3","7","2","6","7","2","1") = "6"
    & skf21("4","3","7","2","6","7","3","1") = "6"
    & skf21("4","3","7","2","6","7","4","1") = "6"
    & skf21("4","3","7","2","6","7","5","1") = "6"
    & skf21("4","3","7","2","6","7","6","1") = "6"
    & skf21("4","3","7","2","6","7","7","1") = "6"
    & skf21("4","3","7","2","7","1","1","1") = "6"
    & skf21("4","3","7","2","7","1","2","1") = "6"
    & skf21("4","3","7","2","7","1","3","1") = "6"
    & skf21("4","3","7","2","7","1","4","1") = "6"
    & skf21("4","3","7","2","7","1","5","1") = "6"
    & skf21("4","3","7","2","7","1","6","1") = "6"
    & skf21("4","3","7","2","7","1","7","1") = "6"
    & skf21("4","3","7","2","7","2","1","1") = "6"
    & skf21("4","3","7","2","7","2","2","1") = "6"
    & skf21("4","3","7","2","7","2","3","1") = "6"
    & skf21("4","3","7","2","7","2","4","1") = "6"
    & skf21("4","3","7","2","7","2","5","1") = "6"
    & skf21("4","3","7","2","7","2","6","1") = "6"
    & skf21("4","3","7","2","7","2","7","1") = "6"
    & skf21("4","3","7","2","7","3","1","1") = "6"
    & skf21("4","3","7","2","7","3","2","1") = "6"
    & skf21("4","3","7","2","7","3","3","1") = "6"
    & skf21("4","3","7","2","7","3","4","1") = "6"
    & skf21("4","3","7","2","7","3","5","1") = "6"
    & skf21("4","3","7","2","7","3","6","1") = "6"
    & skf21("4","3","7","2","7","3","7","1") = "6"
    & skf21("4","3","7","2","7","4","1","1") = "6"
    & skf21("4","3","7","2","7","4","2","1") = "6"
    & skf21("4","3","7","2","7","4","3","1") = "6"
    & skf21("4","3","7","2","7","4","4","1") = "6"
    & skf21("4","3","7","2","7","4","5","1") = "6"
    & skf21("4","3","7","2","7","4","6","1") = "6"
    & skf21("4","3","7","2","7","4","7","1") = "6"
    & skf21("4","3","7","2","7","5","1","1") = "6"
    & skf21("4","3","7","2","7","5","2","1") = "6"
    & skf21("4","3","7","2","7","5","3","1") = "6"
    & skf21("4","3","7","2","7","5","4","1") = "6"
    & skf21("4","3","7","2","7","5","5","1") = "6"
    & skf21("4","3","7","2","7","5","6","1") = "6"
    & skf21("4","3","7","2","7","5","7","1") = "6"
    & skf21("4","3","7","2","7","6","1","1") = "6"
    & skf21("4","3","7","2","7","6","2","1") = "6"
    & skf21("4","3","7","2","7","6","3","1") = "6"
    & skf21("4","3","7","2","7","6","4","1") = "6"
    & skf21("4","3","7","2","7","6","5","1") = "6"
    & skf21("4","3","7","2","7","6","6","1") = "6"
    & skf21("4","3","7","2","7","6","7","1") = "6"
    & skf21("4","3","7","2","7","7","1","1") = "6"
    & skf21("4","3","7","2","7","7","2","1") = "6"
    & skf21("4","3","7","2","7","7","3","1") = "6"
    & skf21("4","3","7","2","7","7","4","1") = "6"
    & skf21("4","3","7","2","7","7","5","1") = "6"
    & skf21("4","3","7","2","7","7","6","1") = "6"
    & skf21("4","3","7","2","7","7","7","1") = "6"
    & skf21("4","3","7","3","1","1","1","1") = "6"
    & skf21("4","3","7","3","1","1","2","1") = "6"
    & skf21("4","3","7","3","1","1","3","1") = "6"
    & skf21("4","3","7","3","1","1","4","1") = "6"
    & skf21("4","3","7","3","1","1","5","1") = "6"
    & skf21("4","3","7","3","1","1","6","1") = "6"
    & skf21("4","3","7","3","1","1","7","1") = "6"
    & skf21("4","3","7","3","1","2","1","1") = "6"
    & skf21("4","3","7","3","1","2","2","1") = "6"
    & skf21("4","3","7","3","1","2","3","1") = "6"
    & skf21("4","3","7","3","1","2","4","1") = "6"
    & skf21("4","3","7","3","1","2","5","1") = "6"
    & skf21("4","3","7","3","1","2","6","1") = "6"
    & skf21("4","3","7","3","1","2","7","1") = "6"
    & skf21("4","3","7","3","1","3","1","1") = "6"
    & skf21("4","3","7","3","1","3","2","1") = "6"
    & skf21("4","3","7","3","1","3","3","1") = "6"
    & skf21("4","3","7","3","1","3","4","1") = "6"
    & skf21("4","3","7","3","1","3","5","1") = "6"
    & skf21("4","3","7","3","1","3","6","1") = "6"
    & skf21("4","3","7","3","1","3","7","1") = "6"
    & skf21("4","3","7","3","1","4","1","1") = "6"
    & skf21("4","3","7","3","1","4","2","1") = "6"
    & skf21("4","3","7","3","1","4","3","1") = "6"
    & skf21("4","3","7","3","1","4","4","1") = "6"
    & skf21("4","3","7","3","1","4","5","1") = "6"
    & skf21("4","3","7","3","1","4","6","1") = "6"
    & skf21("4","3","7","3","1","4","7","1") = "6"
    & skf21("4","3","7","3","1","5","1","1") = "6"
    & skf21("4","3","7","3","1","5","2","1") = "6"
    & skf21("4","3","7","3","1","5","3","1") = "6"
    & skf21("4","3","7","3","1","5","4","1") = "6"
    & skf21("4","3","7","3","1","5","5","1") = "6"
    & skf21("4","3","7","3","1","5","6","1") = "6"
    & skf21("4","3","7","3","1","5","7","1") = "6"
    & skf21("4","3","7","3","1","6","1","1") = "6"
    & skf21("4","3","7","3","1","6","2","1") = "6"
    & skf21("4","3","7","3","1","6","3","1") = "6"
    & skf21("4","3","7","3","1","6","4","1") = "6"
    & skf21("4","3","7","3","1","6","5","1") = "6"
    & skf21("4","3","7","3","1","6","6","1") = "6"
    & skf21("4","3","7","3","1","6","7","1") = "6"
    & skf21("4","3","7","3","1","7","1","1") = "6"
    & skf21("4","3","7","3","1","7","2","1") = "6"
    & skf21("4","3","7","3","1","7","3","1") = "6"
    & skf21("4","3","7","3","1","7","4","1") = "6"
    & skf21("4","3","7","3","1","7","5","1") = "6"
    & skf21("4","3","7","3","1","7","6","1") = "6"
    & skf21("4","3","7","3","1","7","7","1") = "6"
    & skf21("4","3","7","3","2","1","1","1") = "6"
    & skf21("4","3","7","3","2","1","2","1") = "6"
    & skf21("4","3","7","3","2","1","3","1") = "6"
    & skf21("4","3","7","3","2","1","4","1") = "6"
    & skf21("4","3","7","3","2","1","5","1") = "6"
    & skf21("4","3","7","3","2","1","6","1") = "6"
    & skf21("4","3","7","3","2","1","7","1") = "6"
    & skf21("4","3","7","3","2","2","1","1") = "6"
    & skf21("4","3","7","3","2","2","2","1") = "6"
    & skf21("4","3","7","3","2","2","3","1") = "6"
    & skf21("4","3","7","3","2","2","4","1") = "6"
    & skf21("4","3","7","3","2","2","5","1") = "6"
    & skf21("4","3","7","3","2","2","6","1") = "6"
    & skf21("4","3","7","3","2","2","7","1") = "6"
    & skf21("4","3","7","3","2","3","1","1") = "6"
    & skf21("4","3","7","3","2","3","2","1") = "6"
    & skf21("4","3","7","3","2","3","3","1") = "6"
    & skf21("4","3","7","3","2","3","4","1") = "6"
    & skf21("4","3","7","3","2","3","5","1") = "6"
    & skf21("4","3","7","3","2","3","6","1") = "6"
    & skf21("4","3","7","3","2","3","7","1") = "6"
    & skf21("4","3","7","3","2","4","1","1") = "6"
    & skf21("4","3","7","3","2","4","2","1") = "6"
    & skf21("4","3","7","3","2","4","3","1") = "6"
    & skf21("4","3","7","3","2","4","4","1") = "6"
    & skf21("4","3","7","3","2","4","5","1") = "6"
    & skf21("4","3","7","3","2","4","6","1") = "6"
    & skf21("4","3","7","3","2","4","7","1") = "6"
    & skf21("4","3","7","3","2","5","1","1") = "6"
    & skf21("4","3","7","3","2","5","2","1") = "6"
    & skf21("4","3","7","3","2","5","3","1") = "6"
    & skf21("4","3","7","3","2","5","4","1") = "6"
    & skf21("4","3","7","3","2","5","5","1") = "6"
    & skf21("4","3","7","3","2","5","6","1") = "6"
    & skf21("4","3","7","3","2","5","7","1") = "6"
    & skf21("4","3","7","3","2","6","1","1") = "6"
    & skf21("4","3","7","3","2","6","2","1") = "6"
    & skf21("4","3","7","3","2","6","3","1") = "6"
    & skf21("4","3","7","3","2","6","4","1") = "6"
    & skf21("4","3","7","3","2","6","5","1") = "6"
    & skf21("4","3","7","3","2","6","6","1") = "6"
    & skf21("4","3","7","3","2","6","7","1") = "6"
    & skf21("4","3","7","3","2","7","1","1") = "6"
    & skf21("4","3","7","3","2","7","2","1") = "6"
    & skf21("4","3","7","3","2","7","3","1") = "6"
    & skf21("4","3","7","3","2","7","4","1") = "6"
    & skf21("4","3","7","3","2","7","5","1") = "6"
    & skf21("4","3","7","3","2","7","6","1") = "6"
    & skf21("4","3","7","3","2","7","7","1") = "6"
    & skf21("4","3","7","3","3","1","1","1") = "6"
    & skf21("4","3","7","3","3","1","2","1") = "6"
    & skf21("4","3","7","3","3","1","3","1") = "6"
    & skf21("4","3","7","3","3","1","4","1") = "6"
    & skf21("4","3","7","3","3","1","5","1") = "6"
    & skf21("4","3","7","3","3","1","6","1") = "6"
    & skf21("4","3","7","3","3","1","7","1") = "6"
    & skf21("4","3","7","3","3","2","1","1") = "6"
    & skf21("4","3","7","3","3","2","2","1") = "6"
    & skf21("4","3","7","3","3","2","3","1") = "6"
    & skf21("4","3","7","3","3","2","4","1") = "6"
    & skf21("4","3","7","3","3","2","5","1") = "6"
    & skf21("4","3","7","3","3","2","6","1") = "6"
    & skf21("4","3","7","3","3","2","7","1") = "6"
    & skf21("4","3","7","3","3","3","1","1") = "6"
    & skf21("4","3","7","3","3","3","2","1") = "6"
    & skf21("4","3","7","3","3","3","3","1") = "6"
    & skf21("4","3","7","3","3","3","4","1") = "6"
    & skf21("4","3","7","3","3","3","5","1") = "6"
    & skf21("4","3","7","3","3","3","6","1") = "6"
    & skf21("4","3","7","3","3","3","7","1") = "6"
    & skf21("4","3","7","3","3","4","1","1") = "6"
    & skf21("4","3","7","3","3","4","2","1") = "6"
    & skf21("4","3","7","3","3","4","3","1") = "6"
    & skf21("4","3","7","3","3","4","4","1") = "6"
    & skf21("4","3","7","3","3","4","5","1") = "6"
    & skf21("4","3","7","3","3","4","6","1") = "6"
    & skf21("4","3","7","3","3","4","7","1") = "6"
    & skf21("4","3","7","3","3","5","1","1") = "6"
    & skf21("4","3","7","3","3","5","2","1") = "6"
    & skf21("4","3","7","3","3","5","3","1") = "6"
    & skf21("4","3","7","3","3","5","4","1") = "6"
    & skf21("4","3","7","3","3","5","5","1") = "6"
    & skf21("4","3","7","3","3","5","6","1") = "6"
    & skf21("4","3","7","3","3","5","7","1") = "6"
    & skf21("4","3","7","3","3","6","1","1") = "6"
    & skf21("4","3","7","3","3","6","2","1") = "6"
    & skf21("4","3","7","3","3","6","3","1") = "6"
    & skf21("4","3","7","3","3","6","4","1") = "6"
    & skf21("4","3","7","3","3","6","5","1") = "6"
    & skf21("4","3","7","3","3","6","6","1") = "6"
    & skf21("4","3","7","3","3","6","7","1") = "6"
    & skf21("4","3","7","3","3","7","1","1") = "6"
    & skf21("4","3","7","3","3","7","2","1") = "6"
    & skf21("4","3","7","3","3","7","3","1") = "6"
    & skf21("4","3","7","3","3","7","4","1") = "6"
    & skf21("4","3","7","3","3","7","5","1") = "6"
    & skf21("4","3","7","3","3","7","6","1") = "6"
    & skf21("4","3","7","3","3","7","7","1") = "6"
    & skf21("4","3","7","3","4","1","1","1") = "6"
    & skf21("4","3","7","3","4","1","2","1") = "6"
    & skf21("4","3","7","3","4","1","3","1") = "6"
    & skf21("4","3","7","3","4","1","4","1") = "6"
    & skf21("4","3","7","3","4","1","5","1") = "6"
    & skf21("4","3","7","3","4","1","6","1") = "6"
    & skf21("4","3","7","3","4","1","7","1") = "6"
    & skf21("4","3","7","3","4","2","1","1") = "6"
    & skf21("4","3","7","3","4","2","2","1") = "6"
    & skf21("4","3","7","3","4","2","3","1") = "6"
    & skf21("4","3","7","3","4","2","4","1") = "6"
    & skf21("4","3","7","3","4","2","5","1") = "6"
    & skf21("4","3","7","3","4","2","6","1") = "6"
    & skf21("4","3","7","3","4","2","7","1") = "6"
    & skf21("4","3","7","3","4","3","1","1") = "6"
    & skf21("4","3","7","3","4","3","2","1") = "6"
    & skf21("4","3","7","3","4","3","3","1") = "6"
    & skf21("4","3","7","3","4","3","4","1") = "6"
    & skf21("4","3","7","3","4","3","5","1") = "6"
    & skf21("4","3","7","3","4","3","6","1") = "6"
    & skf21("4","3","7","3","4","3","7","1") = "6"
    & skf21("4","3","7","3","4","4","1","1") = "6"
    & skf21("4","3","7","3","4","4","2","1") = "6"
    & skf21("4","3","7","3","4","4","3","1") = "6"
    & skf21("4","3","7","3","4","4","4","1") = "6"
    & skf21("4","3","7","3","4","4","5","1") = "6"
    & skf21("4","3","7","3","4","4","6","1") = "6"
    & skf21("4","3","7","3","4","4","7","1") = "6"
    & skf21("4","3","7","3","4","5","1","1") = "6"
    & skf21("4","3","7","3","4","5","2","1") = "6"
    & skf21("4","3","7","3","4","5","3","1") = "6"
    & skf21("4","3","7","3","4","5","4","1") = "6"
    & skf21("4","3","7","3","4","5","5","1") = "6"
    & skf21("4","3","7","3","4","5","6","1") = "6"
    & skf21("4","3","7","3","4","5","7","1") = "6"
    & skf21("4","3","7","3","4","6","1","1") = "6"
    & skf21("4","3","7","3","4","6","2","1") = "6"
    & skf21("4","3","7","3","4","6","3","1") = "6"
    & skf21("4","3","7","3","4","6","4","1") = "6"
    & skf21("4","3","7","3","4","6","5","1") = "6"
    & skf21("4","3","7","3","4","6","6","1") = "6"
    & skf21("4","3","7","3","4","6","7","1") = "6"
    & skf21("4","3","7","3","4","7","1","1") = "6"
    & skf21("4","3","7","3","4","7","2","1") = "6"
    & skf21("4","3","7","3","4","7","3","1") = "6"
    & skf21("4","3","7","3","4","7","4","1") = "6"
    & skf21("4","3","7","3","4","7","5","1") = "6"
    & skf21("4","3","7","3","4","7","6","1") = "6"
    & skf21("4","3","7","3","4","7","7","1") = "6"
    & skf21("4","3","7","3","5","1","1","1") = "6"
    & skf21("4","3","7","3","5","1","2","1") = "6"
    & skf21("4","3","7","3","5","1","3","1") = "6"
    & skf21("4","3","7","3","5","1","4","1") = "6"
    & skf21("4","3","7","3","5","1","5","1") = "6"
    & skf21("4","3","7","3","5","1","6","1") = "6"
    & skf21("4","3","7","3","5","1","7","1") = "6"
    & skf21("4","3","7","3","5","2","1","1") = "6"
    & skf21("4","3","7","3","5","2","2","1") = "6"
    & skf21("4","3","7","3","5","2","3","1") = "6"
    & skf21("4","3","7","3","5","2","4","1") = "6"
    & skf21("4","3","7","3","5","2","5","1") = "6"
    & skf21("4","3","7","3","5","2","6","1") = "6"
    & skf21("4","3","7","3","5","2","7","1") = "6"
    & skf21("4","3","7","3","5","3","1","1") = "6"
    & skf21("4","3","7","3","5","3","2","1") = "6"
    & skf21("4","3","7","3","5","3","3","1") = "6"
    & skf21("4","3","7","3","5","3","4","1") = "6"
    & skf21("4","3","7","3","5","3","5","1") = "6"
    & skf21("4","3","7","3","5","3","6","1") = "6"
    & skf21("4","3","7","3","5","3","7","1") = "6"
    & skf21("4","3","7","3","5","4","1","1") = "6"
    & skf21("4","3","7","3","5","4","2","1") = "6"
    & skf21("4","3","7","3","5","4","3","1") = "6"
    & skf21("4","3","7","3","5","4","4","1") = "6"
    & skf21("4","3","7","3","5","4","5","1") = "6"
    & skf21("4","3","7","3","5","4","6","1") = "6"
    & skf21("4","3","7","3","5","4","7","1") = "6"
    & skf21("4","3","7","3","5","5","1","1") = "6"
    & skf21("4","3","7","3","5","5","2","1") = "6"
    & skf21("4","3","7","3","5","5","3","1") = "6"
    & skf21("4","3","7","3","5","5","4","1") = "6"
    & skf21("4","3","7","3","5","5","5","1") = "6"
    & skf21("4","3","7","3","5","5","6","1") = "6"
    & skf21("4","3","7","3","5","5","7","1") = "6"
    & skf21("4","3","7","3","5","6","1","1") = "6"
    & skf21("4","3","7","3","5","6","2","1") = "6"
    & skf21("4","3","7","3","5","6","3","1") = "6"
    & skf21("4","3","7","3","5","6","4","1") = "6"
    & skf21("4","3","7","3","5","6","5","1") = "6"
    & skf21("4","3","7","3","5","6","6","1") = "6"
    & skf21("4","3","7","3","5","6","7","1") = "6"
    & skf21("4","3","7","3","5","7","1","1") = "6"
    & skf21("4","3","7","3","5","7","2","1") = "6"
    & skf21("4","3","7","3","5","7","3","1") = "6"
    & skf21("4","3","7","3","5","7","4","1") = "6"
    & skf21("4","3","7","3","5","7","5","1") = "6"
    & skf21("4","3","7","3","5","7","6","1") = "6"
    & skf21("4","3","7","3","5","7","7","1") = "6"
    & skf21("4","3","7","3","6","1","1","1") = "6"
    & skf21("4","3","7","3","6","1","2","1") = "6"
    & skf21("4","3","7","3","6","1","3","1") = "6"
    & skf21("4","3","7","3","6","1","4","1") = "6"
    & skf21("4","3","7","3","6","1","5","1") = "6"
    & skf21("4","3","7","3","6","1","6","1") = "6"
    & skf21("4","3","7","3","6","1","7","1") = "6"
    & skf21("4","3","7","3","6","2","1","1") = "6"
    & skf21("4","3","7","3","6","2","2","1") = "6"
    & skf21("4","3","7","3","6","2","3","1") = "6"
    & skf21("4","3","7","3","6","2","4","1") = "6"
    & skf21("4","3","7","3","6","2","5","1") = "6"
    & skf21("4","3","7","3","6","2","6","1") = "6"
    & skf21("4","3","7","3","6","2","7","1") = "6"
    & skf21("4","3","7","3","6","3","1","1") = "6"
    & skf21("4","3","7","3","6","3","2","1") = "6"
    & skf21("4","3","7","3","6","3","3","1") = "6"
    & skf21("4","3","7","3","6","3","4","1") = "6"
    & skf21("4","3","7","3","6","3","5","1") = "6"
    & skf21("4","3","7","3","6","3","6","1") = "6"
    & skf21("4","3","7","3","6","3","7","1") = "6"
    & skf21("4","3","7","3","6","4","1","1") = "6"
    & skf21("4","3","7","3","6","4","2","1") = "6"
    & skf21("4","3","7","3","6","4","3","1") = "6"
    & skf21("4","3","7","3","6","4","4","1") = "6"
    & skf21("4","3","7","3","6","4","5","1") = "6"
    & skf21("4","3","7","3","6","4","6","1") = "6"
    & skf21("4","3","7","3","6","4","7","1") = "6"
    & skf21("4","3","7","3","6","5","1","1") = "6"
    & skf21("4","3","7","3","6","5","2","1") = "6"
    & skf21("4","3","7","3","6","5","3","1") = "6"
    & skf21("4","3","7","3","6","5","4","1") = "6"
    & skf21("4","3","7","3","6","5","5","1") = "6"
    & skf21("4","3","7","3","6","5","6","1") = "6"
    & skf21("4","3","7","3","6","5","7","1") = "6"
    & skf21("4","3","7","3","6","6","1","1") = "6"
    & skf21("4","3","7","3","6","6","2","1") = "6"
    & skf21("4","3","7","3","6","6","3","1") = "6"
    & skf21("4","3","7","3","6","6","4","1") = "6"
    & skf21("4","3","7","3","6","6","5","1") = "6"
    & skf21("4","3","7","3","6","6","6","1") = "6"
    & skf21("4","3","7","3","6","6","7","1") = "6"
    & skf21("4","3","7","3","6","7","1","1") = "6"
    & skf21("4","3","7","3","6","7","2","1") = "6"
    & skf21("4","3","7","3","6","7","3","1") = "6"
    & skf21("4","3","7","3","6","7","4","1") = "6"
    & skf21("4","3","7","3","6","7","5","1") = "6"
    & skf21("4","3","7","3","6","7","6","1") = "6"
    & skf21("4","3","7","3","6","7","7","1") = "6"
    & skf21("4","3","7","3","7","1","1","1") = "6"
    & skf21("4","3","7","3","7","1","2","1") = "6"
    & skf21("4","3","7","3","7","1","3","1") = "6"
    & skf21("4","3","7","3","7","1","4","1") = "6"
    & skf21("4","3","7","3","7","1","5","1") = "6"
    & skf21("4","3","7","3","7","1","6","1") = "6"
    & skf21("4","3","7","3","7","1","7","1") = "6"
    & skf21("4","3","7","3","7","2","1","1") = "6"
    & skf21("4","3","7","3","7","2","2","1") = "6"
    & skf21("4","3","7","3","7","2","3","1") = "6"
    & skf21("4","3","7","3","7","2","4","1") = "6"
    & skf21("4","3","7","3","7","2","5","1") = "6"
    & skf21("4","3","7","3","7","2","6","1") = "6"
    & skf21("4","3","7","3","7","2","7","1") = "6"
    & skf21("4","3","7","3","7","3","1","1") = "6"
    & skf21("4","3","7","3","7","3","2","1") = "6"
    & skf21("4","3","7","3","7","3","3","1") = "6"
    & skf21("4","3","7","3","7","3","4","1") = "6"
    & skf21("4","3","7","3","7","3","5","1") = "6"
    & skf21("4","3","7","3","7","3","6","1") = "6"
    & skf21("4","3","7","3","7","3","7","1") = "6"
    & skf21("4","3","7","3","7","4","1","1") = "6"
    & skf21("4","3","7","3","7","4","2","1") = "6"
    & skf21("4","3","7","3","7","4","3","1") = "6"
    & skf21("4","3","7","3","7","4","4","1") = "6"
    & skf21("4","3","7","3","7","4","5","1") = "6"
    & skf21("4","3","7","3","7","4","6","1") = "6"
    & skf21("4","3","7","3","7","4","7","1") = "6"
    & skf21("4","3","7","3","7","5","1","1") = "6"
    & skf21("4","3","7","3","7","5","2","1") = "6"
    & skf21("4","3","7","3","7","5","3","1") = "6"
    & skf21("4","3","7","3","7","5","4","1") = "6"
    & skf21("4","3","7","3","7","5","5","1") = "6"
    & skf21("4","3","7","3","7","5","6","1") = "6"
    & skf21("4","3","7","3","7","5","7","1") = "6"
    & skf21("4","3","7","3","7","6","1","1") = "6"
    & skf21("4","3","7","3","7","6","2","1") = "6"
    & skf21("4","3","7","3","7","6","3","1") = "6"
    & skf21("4","3","7","3","7","6","4","1") = "6"
    & skf21("4","3","7","3","7","6","5","1") = "6"
    & skf21("4","3","7","3","7","6","6","1") = "6"
    & skf21("4","3","7","3","7","6","7","1") = "6"
    & skf21("4","3","7","3","7","7","1","1") = "6"
    & skf21("4","3","7","3","7","7","2","1") = "6"
    & skf21("4","3","7","3","7","7","3","1") = "6"
    & skf21("4","3","7","3","7","7","4","1") = "6"
    & skf21("4","3","7","3","7","7","5","1") = "6"
    & skf21("4","3","7","3","7","7","6","1") = "6"
    & skf21("4","3","7","3","7","7","7","1") = "6"
    & skf21("4","3","7","4","1","1","1","1") = "6"
    & skf21("4","3","7","4","1","1","2","1") = "6"
    & skf21("4","3","7","4","1","1","3","1") = "6"
    & skf21("4","3","7","4","1","1","4","1") = "6"
    & skf21("4","3","7","4","1","1","5","1") = "6"
    & skf21("4","3","7","4","1","1","6","1") = "6"
    & skf21("4","3","7","4","1","1","7","1") = "6"
    & skf21("4","3","7","4","1","2","1","1") = "6"
    & skf21("4","3","7","4","1","2","2","1") = "6"
    & skf21("4","3","7","4","1","2","3","1") = "6"
    & skf21("4","3","7","4","1","2","4","1") = "6"
    & skf21("4","3","7","4","1","2","5","1") = "6"
    & skf21("4","3","7","4","1","2","6","1") = "6"
    & skf21("4","3","7","4","1","2","7","1") = "6"
    & skf21("4","3","7","4","1","3","1","1") = "6"
    & skf21("4","3","7","4","1","3","2","1") = "6"
    & skf21("4","3","7","4","1","3","3","1") = "6"
    & skf21("4","3","7","4","1","3","4","1") = "6"
    & skf21("4","3","7","4","1","3","5","1") = "6"
    & skf21("4","3","7","4","1","3","6","1") = "6"
    & skf21("4","3","7","4","1","3","7","1") = "6"
    & skf21("4","3","7","4","1","4","1","1") = "6"
    & skf21("4","3","7","4","1","4","2","1") = "6"
    & skf21("4","3","7","4","1","4","3","1") = "6"
    & skf21("4","3","7","4","1","4","4","1") = "6"
    & skf21("4","3","7","4","1","4","5","1") = "6"
    & skf21("4","3","7","4","1","4","6","1") = "6"
    & skf21("4","3","7","4","1","4","7","1") = "6"
    & skf21("4","3","7","4","1","5","1","1") = "6"
    & skf21("4","3","7","4","1","5","2","1") = "6"
    & skf21("4","3","7","4","1","5","3","1") = "6"
    & skf21("4","3","7","4","1","5","4","1") = "6"
    & skf21("4","3","7","4","1","5","5","1") = "6"
    & skf21("4","3","7","4","1","5","6","1") = "6"
    & skf21("4","3","7","4","1","5","7","1") = "6"
    & skf21("4","3","7","4","1","6","1","1") = "6"
    & skf21("4","3","7","4","1","6","2","1") = "6"
    & skf21("4","3","7","4","1","6","3","1") = "6"
    & skf21("4","3","7","4","1","6","4","1") = "6"
    & skf21("4","3","7","4","1","6","5","1") = "6"
    & skf21("4","3","7","4","1","6","6","1") = "6"
    & skf21("4","3","7","4","1","6","7","1") = "6"
    & skf21("4","3","7","4","1","7","1","1") = "6"
    & skf21("4","3","7","4","1","7","2","1") = "6"
    & skf21("4","3","7","4","1","7","3","1") = "6"
    & skf21("4","3","7","4","1","7","4","1") = "6"
    & skf21("4","3","7","4","1","7","5","1") = "6"
    & skf21("4","3","7","4","1","7","6","1") = "6"
    & skf21("4","3","7","4","1","7","7","1") = "6"
    & skf21("4","3","7","4","2","1","1","1") = "6"
    & skf21("4","3","7","4","2","1","2","1") = "6"
    & skf21("4","3","7","4","2","1","3","1") = "6"
    & skf21("4","3","7","4","2","1","4","1") = "6"
    & skf21("4","3","7","4","2","1","5","1") = "6"
    & skf21("4","3","7","4","2","1","6","1") = "6"
    & skf21("4","3","7","4","2","1","7","1") = "6"
    & skf21("4","3","7","4","2","2","1","1") = "6"
    & skf21("4","3","7","4","2","2","2","1") = "6"
    & skf21("4","3","7","4","2","2","3","1") = "6"
    & skf21("4","3","7","4","2","2","4","1") = "6"
    & skf21("4","3","7","4","2","2","5","1") = "6"
    & skf21("4","3","7","4","2","2","6","1") = "6"
    & skf21("4","3","7","4","2","2","7","1") = "6"
    & skf21("4","3","7","4","2","3","1","1") = "6"
    & skf21("4","3","7","4","2","3","2","1") = "6"
    & skf21("4","3","7","4","2","3","3","1") = "6"
    & skf21("4","3","7","4","2","3","4","1") = "6"
    & skf21("4","3","7","4","2","3","5","1") = "6"
    & skf21("4","3","7","4","2","3","6","1") = "6"
    & skf21("4","3","7","4","2","3","7","1") = "6"
    & skf21("4","3","7","4","2","4","1","1") = "6"
    & skf21("4","3","7","4","2","4","2","1") = "6"
    & skf21("4","3","7","4","2","4","3","1") = "6"
    & skf21("4","3","7","4","2","4","4","1") = "6"
    & skf21("4","3","7","4","2","4","5","1") = "6"
    & skf21("4","3","7","4","2","4","6","1") = "6"
    & skf21("4","3","7","4","2","4","7","1") = "6"
    & skf21("4","3","7","4","2","5","1","1") = "6"
    & skf21("4","3","7","4","2","5","2","1") = "6"
    & skf21("4","3","7","4","2","5","3","1") = "6"
    & skf21("4","3","7","4","2","5","4","1") = "6"
    & skf21("4","3","7","4","2","5","5","1") = "6"
    & skf21("4","3","7","4","2","5","6","1") = "6"
    & skf21("4","3","7","4","2","5","7","1") = "6"
    & skf21("4","3","7","4","2","6","1","1") = "6"
    & skf21("4","3","7","4","2","6","2","1") = "6"
    & skf21("4","3","7","4","2","6","3","1") = "6"
    & skf21("4","3","7","4","2","6","4","1") = "6"
    & skf21("4","3","7","4","2","6","5","1") = "6"
    & skf21("4","3","7","4","2","6","6","1") = "6"
    & skf21("4","3","7","4","2","6","7","1") = "6"
    & skf21("4","3","7","4","2","7","1","1") = "6"
    & skf21("4","3","7","4","2","7","2","1") = "6"
    & skf21("4","3","7","4","2","7","3","1") = "6"
    & skf21("4","3","7","4","2","7","4","1") = "6"
    & skf21("4","3","7","4","2","7","5","1") = "6"
    & skf21("4","3","7","4","2","7","6","1") = "6"
    & skf21("4","3","7","4","2","7","7","1") = "6"
    & skf21("4","3","7","4","3","1","1","1") = "6"
    & skf21("4","3","7","4","3","1","2","1") = "6"
    & skf21("4","3","7","4","3","1","3","1") = "6"
    & skf21("4","3","7","4","3","1","4","1") = "6"
    & skf21("4","3","7","4","3","1","5","1") = "6"
    & skf21("4","3","7","4","3","1","6","1") = "6"
    & skf21("4","3","7","4","3","1","7","1") = "6"
    & skf21("4","3","7","4","3","2","1","1") = "6"
    & skf21("4","3","7","4","3","2","2","1") = "6"
    & skf21("4","3","7","4","3","2","3","1") = "6"
    & skf21("4","3","7","4","3","2","4","1") = "6"
    & skf21("4","3","7","4","3","2","5","1") = "6"
    & skf21("4","3","7","4","3","2","6","1") = "6"
    & skf21("4","3","7","4","3","2","7","1") = "6"
    & skf21("4","3","7","4","3","3","1","1") = "6"
    & skf21("4","3","7","4","3","3","2","1") = "6"
    & skf21("4","3","7","4","3","3","3","1") = "6"
    & skf21("4","3","7","4","3","3","4","1") = "6"
    & skf21("4","3","7","4","3","3","5","1") = "6"
    & skf21("4","3","7","4","3","3","6","1") = "6"
    & skf21("4","3","7","4","3","3","7","1") = "6"
    & skf21("4","3","7","4","3","4","1","1") = "6"
    & skf21("4","3","7","4","3","4","2","1") = "6"
    & skf21("4","3","7","4","3","4","3","1") = "6"
    & skf21("4","3","7","4","3","4","4","1") = "6"
    & skf21("4","3","7","4","3","4","5","1") = "6"
    & skf21("4","3","7","4","3","4","6","1") = "6"
    & skf21("4","3","7","4","3","4","7","1") = "6"
    & skf21("4","3","7","4","3","5","1","1") = "6"
    & skf21("4","3","7","4","3","5","2","1") = "6"
    & skf21("4","3","7","4","3","5","3","1") = "6"
    & skf21("4","3","7","4","3","5","4","1") = "6"
    & skf21("4","3","7","4","3","5","5","1") = "6"
    & skf21("4","3","7","4","3","5","6","1") = "6"
    & skf21("4","3","7","4","3","5","7","1") = "6"
    & skf21("4","3","7","4","3","6","1","1") = "6"
    & skf21("4","3","7","4","3","6","2","1") = "6"
    & skf21("4","3","7","4","3","6","3","1") = "6"
    & skf21("4","3","7","4","3","6","4","1") = "6"
    & skf21("4","3","7","4","3","6","5","1") = "6"
    & skf21("4","3","7","4","3","6","6","1") = "6"
    & skf21("4","3","7","4","3","6","7","1") = "6"
    & skf21("4","3","7","4","3","7","1","1") = "6"
    & skf21("4","3","7","4","3","7","2","1") = "6"
    & skf21("4","3","7","4","3","7","3","1") = "6"
    & skf21("4","3","7","4","3","7","4","1") = "6"
    & skf21("4","3","7","4","3","7","5","1") = "6"
    & skf21("4","3","7","4","3","7","6","1") = "6"
    & skf21("4","3","7","4","3","7","7","1") = "6"
    & skf21("4","3","7","4","4","1","1","1") = "6"
    & skf21("4","3","7","4","4","1","2","1") = "6"
    & skf21("4","3","7","4","4","1","3","1") = "6"
    & skf21("4","3","7","4","4","1","4","1") = "6"
    & skf21("4","3","7","4","4","1","5","1") = "6"
    & skf21("4","3","7","4","4","1","6","1") = "6"
    & skf21("4","3","7","4","4","1","7","1") = "6"
    & skf21("4","3","7","4","4","2","1","1") = "6"
    & skf21("4","3","7","4","4","2","2","1") = "6"
    & skf21("4","3","7","4","4","2","3","1") = "6"
    & skf21("4","3","7","4","4","2","4","1") = "6"
    & skf21("4","3","7","4","4","2","5","1") = "6"
    & skf21("4","3","7","4","4","2","6","1") = "6"
    & skf21("4","3","7","4","4","2","7","1") = "6"
    & skf21("4","3","7","4","4","3","1","1") = "6"
    & skf21("4","3","7","4","4","3","2","1") = "6"
    & skf21("4","3","7","4","4","3","3","1") = "6"
    & skf21("4","3","7","4","4","3","4","1") = "6"
    & skf21("4","3","7","4","4","3","5","1") = "6"
    & skf21("4","3","7","4","4","3","6","1") = "6"
    & skf21("4","3","7","4","4","3","7","1") = "6"
    & skf21("4","3","7","4","4","4","1","1") = "6"
    & skf21("4","3","7","4","4","4","2","1") = "6"
    & skf21("4","3","7","4","4","4","3","1") = "6"
    & skf21("4","3","7","4","4","4","4","1") = "6"
    & skf21("4","3","7","4","4","4","5","1") = "6"
    & skf21("4","3","7","4","4","4","6","1") = "6"
    & skf21("4","3","7","4","4","4","7","1") = "6"
    & skf21("4","3","7","4","4","5","1","1") = "6"
    & skf21("4","3","7","4","4","5","2","1") = "6"
    & skf21("4","3","7","4","4","5","3","1") = "6"
    & skf21("4","3","7","4","4","5","4","1") = "6"
    & skf21("4","3","7","4","4","5","5","1") = "6"
    & skf21("4","3","7","4","4","5","6","1") = "6"
    & skf21("4","3","7","4","4","5","7","1") = "6"
    & skf21("4","3","7","4","4","6","1","1") = "6"
    & skf21("4","3","7","4","4","6","2","1") = "6"
    & skf21("4","3","7","4","4","6","3","1") = "6"
    & skf21("4","3","7","4","4","6","4","1") = "6"
    & skf21("4","3","7","4","4","6","5","1") = "6"
    & skf21("4","3","7","4","4","6","6","1") = "6"
    & skf21("4","3","7","4","4","6","7","1") = "6"
    & skf21("4","3","7","4","4","7","1","1") = "6"
    & skf21("4","3","7","4","4","7","2","1") = "6"
    & skf21("4","3","7","4","4","7","3","1") = "6"
    & skf21("4","3","7","4","4","7","4","1") = "6"
    & skf21("4","3","7","4","4","7","5","1") = "6"
    & skf21("4","3","7","4","4","7","6","1") = "6"
    & skf21("4","3","7","4","4","7","7","1") = "6"
    & skf21("4","3","7","4","5","1","1","1") = "6"
    & skf21("4","3","7","4","5","1","2","1") = "6"
    & skf21("4","3","7","4","5","1","3","1") = "6"
    & skf21("4","3","7","4","5","1","4","1") = "6"
    & skf21("4","3","7","4","5","1","5","1") = "6"
    & skf21("4","3","7","4","5","1","6","1") = "6"
    & skf21("4","3","7","4","5","1","7","1") = "6"
    & skf21("4","3","7","4","5","2","1","1") = "6"
    & skf21("4","3","7","4","5","2","2","1") = "6"
    & skf21("4","3","7","4","5","2","3","1") = "6"
    & skf21("4","3","7","4","5","2","4","1") = "6"
    & skf21("4","3","7","4","5","2","5","1") = "6"
    & skf21("4","3","7","4","5","2","6","1") = "6"
    & skf21("4","3","7","4","5","2","7","1") = "6"
    & skf21("4","3","7","4","5","3","1","1") = "6"
    & skf21("4","3","7","4","5","3","2","1") = "6"
    & skf21("4","3","7","4","5","3","3","1") = "6"
    & skf21("4","3","7","4","5","3","4","1") = "6"
    & skf21("4","3","7","4","5","3","5","1") = "6"
    & skf21("4","3","7","4","5","3","6","1") = "6"
    & skf21("4","3","7","4","5","3","7","1") = "6"
    & skf21("4","3","7","4","5","4","1","1") = "6"
    & skf21("4","3","7","4","5","4","2","1") = "6"
    & skf21("4","3","7","4","5","4","3","1") = "6"
    & skf21("4","3","7","4","5","4","4","1") = "6"
    & skf21("4","3","7","4","5","4","5","1") = "6"
    & skf21("4","3","7","4","5","4","6","1") = "6"
    & skf21("4","3","7","4","5","4","7","1") = "6"
    & skf21("4","3","7","4","5","5","1","1") = "6"
    & skf21("4","3","7","4","5","5","2","1") = "6"
    & skf21("4","3","7","4","5","5","3","1") = "6"
    & skf21("4","3","7","4","5","5","4","1") = "6"
    & skf21("4","3","7","4","5","5","5","1") = "6"
    & skf21("4","3","7","4","5","5","6","1") = "6"
    & skf21("4","3","7","4","5","5","7","1") = "6"
    & skf21("4","3","7","4","5","6","1","1") = "6"
    & skf21("4","3","7","4","5","6","2","1") = "6"
    & skf21("4","3","7","4","5","6","3","1") = "6"
    & skf21("4","3","7","4","5","6","4","1") = "6"
    & skf21("4","3","7","4","5","6","5","1") = "6"
    & skf21("4","3","7","4","5","6","6","1") = "6"
    & skf21("4","3","7","4","5","6","7","1") = "6"
    & skf21("4","3","7","4","5","7","1","1") = "6"
    & skf21("4","3","7","4","5","7","2","1") = "6"
    & skf21("4","3","7","4","5","7","3","1") = "6"
    & skf21("4","3","7","4","5","7","4","1") = "6"
    & skf21("4","3","7","4","5","7","5","1") = "6"
    & skf21("4","3","7","4","5","7","6","1") = "6"
    & skf21("4","3","7","4","5","7","7","1") = "6"
    & skf21("4","3","7","4","6","1","1","1") = "6"
    & skf21("4","3","7","4","6","1","2","1") = "6"
    & skf21("4","3","7","4","6","1","3","1") = "6"
    & skf21("4","3","7","4","6","1","4","1") = "6"
    & skf21("4","3","7","4","6","1","5","1") = "6"
    & skf21("4","3","7","4","6","1","6","1") = "6"
    & skf21("4","3","7","4","6","1","7","1") = "6"
    & skf21("4","3","7","4","6","2","1","1") = "6"
    & skf21("4","3","7","4","6","2","2","1") = "6"
    & skf21("4","3","7","4","6","2","3","1") = "6"
    & skf21("4","3","7","4","6","2","4","1") = "6"
    & skf21("4","3","7","4","6","2","5","1") = "6"
    & skf21("4","3","7","4","6","2","6","1") = "6"
    & skf21("4","3","7","4","6","2","7","1") = "6"
    & skf21("4","3","7","4","6","3","1","1") = "6"
    & skf21("4","3","7","4","6","3","2","1") = "6"
    & skf21("4","3","7","4","6","3","3","1") = "6"
    & skf21("4","3","7","4","6","3","4","1") = "6"
    & skf21("4","3","7","4","6","3","5","1") = "6"
    & skf21("4","3","7","4","6","3","6","1") = "6"
    & skf21("4","3","7","4","6","3","7","1") = "6"
    & skf21("4","3","7","4","6","4","1","1") = "6"
    & skf21("4","3","7","4","6","4","2","1") = "6"
    & skf21("4","3","7","4","6","4","3","1") = "6"
    & skf21("4","3","7","4","6","4","4","1") = "6"
    & skf21("4","3","7","4","6","4","5","1") = "6"
    & skf21("4","3","7","4","6","4","6","1") = "6"
    & skf21("4","3","7","4","6","4","7","1") = "6"
    & skf21("4","3","7","4","6","5","1","1") = "6"
    & skf21("4","3","7","4","6","5","2","1") = "6"
    & skf21("4","3","7","4","6","5","3","1") = "6"
    & skf21("4","3","7","4","6","5","4","1") = "6"
    & skf21("4","3","7","4","6","5","5","1") = "6"
    & skf21("4","3","7","4","6","5","6","1") = "6"
    & skf21("4","3","7","4","6","5","7","1") = "6"
    & skf21("4","3","7","4","6","6","1","1") = "6"
    & skf21("4","3","7","4","6","6","2","1") = "6"
    & skf21("4","3","7","4","6","6","3","1") = "6"
    & skf21("4","3","7","4","6","6","4","1") = "6"
    & skf21("4","3","7","4","6","6","5","1") = "6"
    & skf21("4","3","7","4","6","6","6","1") = "6"
    & skf21("4","3","7","4","6","6","7","1") = "6"
    & skf21("4","3","7","4","6","7","1","1") = "6"
    & skf21("4","3","7","4","6","7","2","1") = "6"
    & skf21("4","3","7","4","6","7","3","1") = "6"
    & skf21("4","3","7","4","6","7","4","1") = "6"
    & skf21("4","3","7","4","6","7","5","1") = "6"
    & skf21("4","3","7","4","6","7","6","1") = "6"
    & skf21("4","3","7","4","6","7","7","1") = "6"
    & skf21("4","3","7","4","7","1","1","1") = "6"
    & skf21("4","3","7","4","7","1","2","1") = "6"
    & skf21("4","3","7","4","7","1","3","1") = "6"
    & skf21("4","3","7","4","7","1","4","1") = "6"
    & skf21("4","3","7","4","7","1","5","1") = "6"
    & skf21("4","3","7","4","7","1","6","1") = "6"
    & skf21("4","3","7","4","7","1","7","1") = "6"
    & skf21("4","3","7","4","7","2","1","1") = "6"
    & skf21("4","3","7","4","7","2","2","1") = "6"
    & skf21("4","3","7","4","7","2","3","1") = "6"
    & skf21("4","3","7","4","7","2","4","1") = "6"
    & skf21("4","3","7","4","7","2","5","1") = "6"
    & skf21("4","3","7","4","7","2","6","1") = "6"
    & skf21("4","3","7","4","7","2","7","1") = "6"
    & skf21("4","3","7","4","7","3","1","1") = "6"
    & skf21("4","3","7","4","7","3","2","1") = "6"
    & skf21("4","3","7","4","7","3","3","1") = "6"
    & skf21("4","3","7","4","7","3","4","1") = "6"
    & skf21("4","3","7","4","7","3","5","1") = "6"
    & skf21("4","3","7","4","7","3","6","1") = "6"
    & skf21("4","3","7","4","7","3","7","1") = "6"
    & skf21("4","3","7","4","7","4","1","1") = "6"
    & skf21("4","3","7","4","7","4","2","1") = "6"
    & skf21("4","3","7","4","7","4","3","1") = "6"
    & skf21("4","3","7","4","7","4","4","1") = "6"
    & skf21("4","3","7","4","7","4","5","1") = "6"
    & skf21("4","3","7","4","7","4","6","1") = "6"
    & skf21("4","3","7","4","7","4","7","1") = "6"
    & skf21("4","3","7","4","7","5","1","1") = "6"
    & skf21("4","3","7","4","7","5","2","1") = "6"
    & skf21("4","3","7","4","7","5","3","1") = "6"
    & skf21("4","3","7","4","7","5","4","1") = "6"
    & skf21("4","3","7","4","7","5","5","1") = "6"
    & skf21("4","3","7","4","7","5","6","1") = "6"
    & skf21("4","3","7","4","7","5","7","1") = "6"
    & skf21("4","3","7","4","7","6","1","1") = "6"
    & skf21("4","3","7","4","7","6","2","1") = "6"
    & skf21("4","3","7","4","7","6","3","1") = "6"
    & skf21("4","3","7","4","7","6","4","1") = "6"
    & skf21("4","3","7","4","7","6","5","1") = "6"
    & skf21("4","3","7","4","7","6","6","1") = "6"
    & skf21("4","3","7","4","7","6","7","1") = "6"
    & skf21("4","3","7","4","7","7","1","1") = "6"
    & skf21("4","3","7","4","7","7","2","1") = "6"
    & skf21("4","3","7","4","7","7","3","1") = "6"
    & skf21("4","3","7","4","7","7","4","1") = "6"
    & skf21("4","3","7","4","7","7","5","1") = "6"
    & skf21("4","3","7","4","7","7","6","1") = "6"
    & skf21("4","3","7","4","7","7","7","1") = "6"
    & skf21("4","3","7","5","1","1","1","1") = "6"
    & skf21("4","3","7","5","1","1","2","1") = "6"
    & skf21("4","3","7","5","1","1","3","1") = "6"
    & skf21("4","3","7","5","1","1","4","1") = "6"
    & skf21("4","3","7","5","1","1","5","1") = "6"
    & skf21("4","3","7","5","1","1","6","1") = "6"
    & skf21("4","3","7","5","1","1","7","1") = "6"
    & skf21("4","3","7","5","1","2","1","1") = "6"
    & skf21("4","3","7","5","1","2","2","1") = "6"
    & skf21("4","3","7","5","1","2","3","1") = "6"
    & skf21("4","3","7","5","1","2","4","1") = "6"
    & skf21("4","3","7","5","1","2","5","1") = "6"
    & skf21("4","3","7","5","1","2","6","1") = "6"
    & skf21("4","3","7","5","1","2","7","1") = "6"
    & skf21("4","3","7","5","1","3","1","1") = "6"
    & skf21("4","3","7","5","1","3","2","1") = "6"
    & skf21("4","3","7","5","1","3","3","1") = "6"
    & skf21("4","3","7","5","1","3","4","1") = "6"
    & skf21("4","3","7","5","1","3","5","1") = "6"
    & skf21("4","3","7","5","1","3","6","1") = "6"
    & skf21("4","3","7","5","1","3","7","1") = "6"
    & skf21("4","3","7","5","1","4","1","1") = "6"
    & skf21("4","3","7","5","1","4","2","1") = "6"
    & skf21("4","3","7","5","1","4","3","1") = "6"
    & skf21("4","3","7","5","1","4","4","1") = "6"
    & skf21("4","3","7","5","1","4","5","1") = "6"
    & skf21("4","3","7","5","1","4","6","1") = "6"
    & skf21("4","3","7","5","1","4","7","1") = "6"
    & skf21("4","3","7","5","1","5","1","1") = "6"
    & skf21("4","3","7","5","1","5","2","1") = "6"
    & skf21("4","3","7","5","1","5","3","1") = "6"
    & skf21("4","3","7","5","1","5","4","1") = "6"
    & skf21("4","3","7","5","1","5","5","1") = "6"
    & skf21("4","3","7","5","1","5","6","1") = "6"
    & skf21("4","3","7","5","1","5","7","1") = "6"
    & skf21("4","3","7","5","1","6","1","1") = "6"
    & skf21("4","3","7","5","1","6","2","1") = "6"
    & skf21("4","3","7","5","1","6","3","1") = "6"
    & skf21("4","3","7","5","1","6","4","1") = "6"
    & skf21("4","3","7","5","1","6","5","1") = "6"
    & skf21("4","3","7","5","1","6","6","1") = "6"
    & skf21("4","3","7","5","1","6","7","1") = "6"
    & skf21("4","3","7","5","1","7","1","1") = "6"
    & skf21("4","3","7","5","1","7","2","1") = "6"
    & skf21("4","3","7","5","1","7","3","1") = "6"
    & skf21("4","3","7","5","1","7","4","1") = "6"
    & skf21("4","3","7","5","1","7","5","1") = "6"
    & skf21("4","3","7","5","1","7","6","1") = "6"
    & skf21("4","3","7","5","1","7","7","1") = "6"
    & skf21("4","3","7","5","2","1","1","1") = "6"
    & skf21("4","3","7","5","2","1","2","1") = "6"
    & skf21("4","3","7","5","2","1","3","1") = "6"
    & skf21("4","3","7","5","2","1","4","1") = "6"
    & skf21("4","3","7","5","2","1","5","1") = "6"
    & skf21("4","3","7","5","2","1","6","1") = "6"
    & skf21("4","3","7","5","2","1","7","1") = "6"
    & skf21("4","3","7","5","2","2","1","1") = "6"
    & skf21("4","3","7","5","2","2","2","1") = "6"
    & skf21("4","3","7","5","2","2","3","1") = "6"
    & skf21("4","3","7","5","2","2","4","1") = "6"
    & skf21("4","3","7","5","2","2","5","1") = "6"
    & skf21("4","3","7","5","2","2","6","1") = "6"
    & skf21("4","3","7","5","2","2","7","1") = "6"
    & skf21("4","3","7","5","2","3","1","1") = "6"
    & skf21("4","3","7","5","2","3","2","1") = "6"
    & skf21("4","3","7","5","2","3","3","1") = "6"
    & skf21("4","3","7","5","2","3","4","1") = "6"
    & skf21("4","3","7","5","2","3","5","1") = "6"
    & skf21("4","3","7","5","2","3","6","1") = "6"
    & skf21("4","3","7","5","2","3","7","1") = "6"
    & skf21("4","3","7","5","2","4","1","1") = "6"
    & skf21("4","3","7","5","2","4","2","1") = "6"
    & skf21("4","3","7","5","2","4","3","1") = "6"
    & skf21("4","3","7","5","2","4","4","1") = "6"
    & skf21("4","3","7","5","2","4","5","1") = "6"
    & skf21("4","3","7","5","2","4","6","1") = "6"
    & skf21("4","3","7","5","2","4","7","1") = "6"
    & skf21("4","3","7","5","2","5","1","1") = "6"
    & skf21("4","3","7","5","2","5","2","1") = "6"
    & skf21("4","3","7","5","2","5","3","1") = "6"
    & skf21("4","3","7","5","2","5","4","1") = "6"
    & skf21("4","3","7","5","2","5","5","1") = "6"
    & skf21("4","3","7","5","2","5","6","1") = "6"
    & skf21("4","3","7","5","2","5","7","1") = "6"
    & skf21("4","3","7","5","2","6","1","1") = "6"
    & skf21("4","3","7","5","2","6","2","1") = "6"
    & skf21("4","3","7","5","2","6","3","1") = "6"
    & skf21("4","3","7","5","2","6","4","1") = "6"
    & skf21("4","3","7","5","2","6","5","1") = "6"
    & skf21("4","3","7","5","2","6","6","1") = "6"
    & skf21("4","3","7","5","2","6","7","1") = "6"
    & skf21("4","3","7","5","2","7","1","1") = "6"
    & skf21("4","3","7","5","2","7","2","1") = "6"
    & skf21("4","3","7","5","2","7","3","1") = "6"
    & skf21("4","3","7","5","2","7","4","1") = "6"
    & skf21("4","3","7","5","2","7","5","1") = "6"
    & skf21("4","3","7","5","2","7","6","1") = "6"
    & skf21("4","3","7","5","2","7","7","1") = "6"
    & skf21("4","3","7","5","3","1","1","1") = "6"
    & skf21("4","3","7","5","3","1","2","1") = "6"
    & skf21("4","3","7","5","3","1","3","1") = "6"
    & skf21("4","3","7","5","3","1","4","1") = "6"
    & skf21("4","3","7","5","3","1","5","1") = "6"
    & skf21("4","3","7","5","3","1","6","1") = "6"
    & skf21("4","3","7","5","3","1","7","1") = "6"
    & skf21("4","3","7","5","3","2","1","1") = "6"
    & skf21("4","3","7","5","3","2","2","1") = "6"
    & skf21("4","3","7","5","3","2","3","1") = "6"
    & skf21("4","3","7","5","3","2","4","1") = "6"
    & skf21("4","3","7","5","3","2","5","1") = "6"
    & skf21("4","3","7","5","3","2","6","1") = "6"
    & skf21("4","3","7","5","3","2","7","1") = "6"
    & skf21("4","3","7","5","3","3","1","1") = "6"
    & skf21("4","3","7","5","3","3","2","1") = "6"
    & skf21("4","3","7","5","3","3","3","1") = "6"
    & skf21("4","3","7","5","3","3","4","1") = "6"
    & skf21("4","3","7","5","3","3","5","1") = "6"
    & skf21("4","3","7","5","3","3","6","1") = "6"
    & skf21("4","3","7","5","3","3","7","1") = "6"
    & skf21("4","3","7","5","3","4","1","1") = "6"
    & skf21("4","3","7","5","3","4","2","1") = "6"
    & skf21("4","3","7","5","3","4","3","1") = "6"
    & skf21("4","3","7","5","3","4","4","1") = "6"
    & skf21("4","3","7","5","3","4","5","1") = "6"
    & skf21("4","3","7","5","3","4","6","1") = "6"
    & skf21("4","3","7","5","3","4","7","1") = "6"
    & skf21("4","3","7","5","3","5","1","1") = "6"
    & skf21("4","3","7","5","3","5","2","1") = "6"
    & skf21("4","3","7","5","3","5","3","1") = "6"
    & skf21("4","3","7","5","3","5","4","1") = "6"
    & skf21("4","3","7","5","3","5","5","1") = "6"
    & skf21("4","3","7","5","3","5","6","1") = "6"
    & skf21("4","3","7","5","3","5","7","1") = "6"
    & skf21("4","3","7","5","3","6","1","1") = "6"
    & skf21("4","3","7","5","3","6","2","1") = "6"
    & skf21("4","3","7","5","3","6","3","1") = "6"
    & skf21("4","3","7","5","3","6","4","1") = "6"
    & skf21("4","3","7","5","3","6","5","1") = "6"
    & skf21("4","3","7","5","3","6","6","1") = "6"
    & skf21("4","3","7","5","3","6","7","1") = "6"
    & skf21("4","3","7","5","3","7","1","1") = "6"
    & skf21("4","3","7","5","3","7","2","1") = "6"
    & skf21("4","3","7","5","3","7","3","1") = "6"
    & skf21("4","3","7","5","3","7","4","1") = "6"
    & skf21("4","3","7","5","3","7","5","1") = "6"
    & skf21("4","3","7","5","3","7","6","1") = "6"
    & skf21("4","3","7","5","3","7","7","1") = "6"
    & skf21("4","3","7","5","4","1","1","1") = "6"
    & skf21("4","3","7","5","4","1","2","1") = "6"
    & skf21("4","3","7","5","4","1","3","1") = "6"
    & skf21("4","3","7","5","4","1","4","1") = "6"
    & skf21("4","3","7","5","4","1","5","1") = "6"
    & skf21("4","3","7","5","4","1","6","1") = "6"
    & skf21("4","3","7","5","4","1","7","1") = "6"
    & skf21("4","3","7","5","4","2","1","1") = "6"
    & skf21("4","3","7","5","4","2","2","1") = "6"
    & skf21("4","3","7","5","4","2","3","1") = "6"
    & skf21("4","3","7","5","4","2","4","1") = "6"
    & skf21("4","3","7","5","4","2","5","1") = "6"
    & skf21("4","3","7","5","4","2","6","1") = "6"
    & skf21("4","3","7","5","4","2","7","1") = "6"
    & skf21("4","3","7","5","4","3","1","1") = "6"
    & skf21("4","3","7","5","4","3","2","1") = "6"
    & skf21("4","3","7","5","4","3","3","1") = "6"
    & skf21("4","3","7","5","4","3","4","1") = "6"
    & skf21("4","3","7","5","4","3","5","1") = "6"
    & skf21("4","3","7","5","4","3","6","1") = "6"
    & skf21("4","3","7","5","4","3","7","1") = "6"
    & skf21("4","3","7","5","4","4","1","1") = "6"
    & skf21("4","3","7","5","4","4","2","1") = "6"
    & skf21("4","3","7","5","4","4","3","1") = "6"
    & skf21("4","3","7","5","4","4","4","1") = "6"
    & skf21("4","3","7","5","4","4","5","1") = "6"
    & skf21("4","3","7","5","4","4","6","1") = "6"
    & skf21("4","3","7","5","4","4","7","1") = "6"
    & skf21("4","3","7","5","4","5","1","1") = "6"
    & skf21("4","3","7","5","4","5","2","1") = "6"
    & skf21("4","3","7","5","4","5","3","1") = "6"
    & skf21("4","3","7","5","4","5","4","1") = "6"
    & skf21("4","3","7","5","4","5","5","1") = "6"
    & skf21("4","3","7","5","4","5","6","1") = "6"
    & skf21("4","3","7","5","4","5","7","1") = "6"
    & skf21("4","3","7","5","4","6","1","1") = "6"
    & skf21("4","3","7","5","4","6","2","1") = "6"
    & skf21("4","3","7","5","4","6","3","1") = "6"
    & skf21("4","3","7","5","4","6","4","1") = "6"
    & skf21("4","3","7","5","4","6","5","1") = "6"
    & skf21("4","3","7","5","4","6","6","1") = "6"
    & skf21("4","3","7","5","4","6","7","1") = "6"
    & skf21("4","3","7","5","4","7","1","1") = "6"
    & skf21("4","3","7","5","4","7","2","1") = "6"
    & skf21("4","3","7","5","4","7","3","1") = "6"
    & skf21("4","3","7","5","4","7","4","1") = "6"
    & skf21("4","3","7","5","4","7","5","1") = "6"
    & skf21("4","3","7","5","4","7","6","1") = "6"
    & skf21("4","3","7","5","4","7","7","1") = "6"
    & skf21("4","3","7","5","5","1","1","1") = "6"
    & skf21("4","3","7","5","5","1","2","1") = "6"
    & skf21("4","3","7","5","5","1","3","1") = "6"
    & skf21("4","3","7","5","5","1","4","1") = "6"
    & skf21("4","3","7","5","5","1","5","1") = "6"
    & skf21("4","3","7","5","5","1","6","1") = "6"
    & skf21("4","3","7","5","5","1","7","1") = "6"
    & skf21("4","3","7","5","5","2","1","1") = "6"
    & skf21("4","3","7","5","5","2","2","1") = "6"
    & skf21("4","3","7","5","5","2","3","1") = "6"
    & skf21("4","3","7","5","5","2","4","1") = "6"
    & skf21("4","3","7","5","5","2","5","1") = "6"
    & skf21("4","3","7","5","5","2","6","1") = "6"
    & skf21("4","3","7","5","5","2","7","1") = "6"
    & skf21("4","3","7","5","5","3","1","1") = "6"
    & skf21("4","3","7","5","5","3","2","1") = "6"
    & skf21("4","3","7","5","5","3","3","1") = "6"
    & skf21("4","3","7","5","5","3","4","1") = "6"
    & skf21("4","3","7","5","5","3","5","1") = "6"
    & skf21("4","3","7","5","5","3","6","1") = "6"
    & skf21("4","3","7","5","5","3","7","1") = "6"
    & skf21("4","3","7","5","5","4","1","1") = "6"
    & skf21("4","3","7","5","5","4","2","1") = "6"
    & skf21("4","3","7","5","5","4","3","1") = "6"
    & skf21("4","3","7","5","5","4","4","1") = "6"
    & skf21("4","3","7","5","5","4","5","1") = "6"
    & skf21("4","3","7","5","5","4","6","1") = "6"
    & skf21("4","3","7","5","5","4","7","1") = "6"
    & skf21("4","3","7","5","5","5","1","1") = "6"
    & skf21("4","3","7","5","5","5","2","1") = "6"
    & skf21("4","3","7","5","5","5","3","1") = "6"
    & skf21("4","3","7","5","5","5","4","1") = "6"
    & skf21("4","3","7","5","5","5","5","1") = "6"
    & skf21("4","3","7","5","5","5","6","1") = "6"
    & skf21("4","3","7","5","5","5","7","1") = "6"
    & skf21("4","3","7","5","5","6","1","1") = "6"
    & skf21("4","3","7","5","5","6","2","1") = "6"
    & skf21("4","3","7","5","5","6","3","1") = "6"
    & skf21("4","3","7","5","5","6","4","1") = "6"
    & skf21("4","3","7","5","5","6","5","1") = "6"
    & skf21("4","3","7","5","5","6","6","1") = "6"
    & skf21("4","3","7","5","5","6","7","1") = "6"
    & skf21("4","3","7","5","5","7","1","1") = "6"
    & skf21("4","3","7","5","5","7","2","1") = "6"
    & skf21("4","3","7","5","5","7","3","1") = "6"
    & skf21("4","3","7","5","5","7","4","1") = "6"
    & skf21("4","3","7","5","5","7","5","1") = "6"
    & skf21("4","3","7","5","5","7","6","1") = "6"
    & skf21("4","3","7","5","5","7","7","1") = "6"
    & skf21("4","3","7","5","6","1","1","1") = "6"
    & skf21("4","3","7","5","6","1","2","1") = "6"
    & skf21("4","3","7","5","6","1","3","1") = "6"
    & skf21("4","3","7","5","6","1","4","1") = "6"
    & skf21("4","3","7","5","6","1","5","1") = "6"
    & skf21("4","3","7","5","6","1","6","1") = "6"
    & skf21("4","3","7","5","6","1","7","1") = "6"
    & skf21("4","3","7","5","6","2","1","1") = "6"
    & skf21("4","3","7","5","6","2","2","1") = "6"
    & skf21("4","3","7","5","6","2","3","1") = "6"
    & skf21("4","3","7","5","6","2","4","1") = "6"
    & skf21("4","3","7","5","6","2","5","1") = "6"
    & skf21("4","3","7","5","6","2","6","1") = "6"
    & skf21("4","3","7","5","6","2","7","1") = "6"
    & skf21("4","3","7","5","6","3","1","1") = "6"
    & skf21("4","3","7","5","6","3","2","1") = "6"
    & skf21("4","3","7","5","6","3","3","1") = "6"
    & skf21("4","3","7","5","6","3","4","1") = "6"
    & skf21("4","3","7","5","6","3","5","1") = "6"
    & skf21("4","3","7","5","6","3","6","1") = "6"
    & skf21("4","3","7","5","6","3","7","1") = "6"
    & skf21("4","3","7","5","6","4","1","1") = "6"
    & skf21("4","3","7","5","6","4","2","1") = "6"
    & skf21("4","3","7","5","6","4","3","1") = "6"
    & skf21("4","3","7","5","6","4","4","1") = "6"
    & skf21("4","3","7","5","6","4","5","1") = "6"
    & skf21("4","3","7","5","6","4","6","1") = "6"
    & skf21("4","3","7","5","6","4","7","1") = "6"
    & skf21("4","3","7","5","6","5","1","1") = "6"
    & skf21("4","3","7","5","6","5","2","1") = "6"
    & skf21("4","3","7","5","6","5","3","1") = "6"
    & skf21("4","3","7","5","6","5","4","1") = "6"
    & skf21("4","3","7","5","6","5","5","1") = "6"
    & skf21("4","3","7","5","6","5","6","1") = "6"
    & skf21("4","3","7","5","6","5","7","1") = "6"
    & skf21("4","3","7","5","6","6","1","1") = "6"
    & skf21("4","3","7","5","6","6","2","1") = "6"
    & skf21("4","3","7","5","6","6","3","1") = "6"
    & skf21("4","3","7","5","6","6","4","1") = "6"
    & skf21("4","3","7","5","6","6","5","1") = "6"
    & skf21("4","3","7","5","6","6","6","1") = "6"
    & skf21("4","3","7","5","6","6","7","1") = "6"
    & skf21("4","3","7","5","6","7","1","1") = "6"
    & skf21("4","3","7","5","6","7","2","1") = "6"
    & skf21("4","3","7","5","6","7","3","1") = "6"
    & skf21("4","3","7","5","6","7","4","1") = "6"
    & skf21("4","3","7","5","6","7","5","1") = "6"
    & skf21("4","3","7","5","6","7","6","1") = "6"
    & skf21("4","3","7","5","6","7","7","1") = "6"
    & skf21("4","3","7","5","7","1","1","1") = "6"
    & skf21("4","3","7","5","7","1","2","1") = "6"
    & skf21("4","3","7","5","7","1","3","1") = "6"
    & skf21("4","3","7","5","7","1","4","1") = "6"
    & skf21("4","3","7","5","7","1","5","1") = "6"
    & skf21("4","3","7","5","7","1","6","1") = "6"
    & skf21("4","3","7","5","7","1","7","1") = "6"
    & skf21("4","3","7","5","7","2","1","1") = "6"
    & skf21("4","3","7","5","7","2","2","1") = "6"
    & skf21("4","3","7","5","7","2","3","1") = "6"
    & skf21("4","3","7","5","7","2","4","1") = "6"
    & skf21("4","3","7","5","7","2","5","1") = "6"
    & skf21("4","3","7","5","7","2","6","1") = "6"
    & skf21("4","3","7","5","7","2","7","1") = "6"
    & skf21("4","3","7","5","7","3","1","1") = "6"
    & skf21("4","3","7","5","7","3","2","1") = "6"
    & skf21("4","3","7","5","7","3","3","1") = "6"
    & skf21("4","3","7","5","7","3","4","1") = "6"
    & skf21("4","3","7","5","7","3","5","1") = "6"
    & skf21("4","3","7","5","7","3","6","1") = "6"
    & skf21("4","3","7","5","7","3","7","1") = "6"
    & skf21("4","3","7","5","7","4","1","1") = "6"
    & skf21("4","3","7","5","7","4","2","1") = "6"
    & skf21("4","3","7","5","7","4","3","1") = "6"
    & skf21("4","3","7","5","7","4","4","1") = "6"
    & skf21("4","3","7","5","7","4","5","1") = "6"
    & skf21("4","3","7","5","7","4","6","1") = "6"
    & skf21("4","3","7","5","7","4","7","1") = "6"
    & skf21("4","3","7","5","7","5","1","1") = "6"
    & skf21("4","3","7","5","7","5","2","1") = "6"
    & skf21("4","3","7","5","7","5","3","1") = "6"
    & skf21("4","3","7","5","7","5","4","1") = "6"
    & skf21("4","3","7","5","7","5","5","1") = "6"
    & skf21("4","3","7","5","7","5","6","1") = "6"
    & skf21("4","3","7","5","7","5","7","1") = "6"
    & skf21("4","3","7","5","7","6","1","1") = "6"
    & skf21("4","3","7","5","7","6","2","1") = "6"
    & skf21("4","3","7","5","7","6","3","1") = "6"
    & skf21("4","3","7","5","7","6","4","1") = "6"
    & skf21("4","3","7","5","7","6","5","1") = "6"
    & skf21("4","3","7","5","7","6","6","1") = "6"
    & skf21("4","3","7","5","7","6","7","1") = "6"
    & skf21("4","3","7","5","7","7","1","1") = "6"
    & skf21("4","3","7","5","7","7","2","1") = "6"
    & skf21("4","3","7","5","7","7","3","1") = "6"
    & skf21("4","3","7","5","7","7","4","1") = "6"
    & skf21("4","3","7","5","7","7","5","1") = "6"
    & skf21("4","3","7","5","7","7","6","1") = "6"
    & skf21("4","3","7","5","7","7","7","1") = "6"
    & skf21("4","3","7","6","1","1","1","1") = "6"
    & skf21("4","3","7","6","1","1","2","1") = "6"
    & skf21("4","3","7","6","1","1","3","1") = "6"
    & skf21("4","3","7","6","1","1","4","1") = "6"
    & skf21("4","3","7","6","1","1","5","1") = "6"
    & skf21("4","3","7","6","1","1","6","1") = "6"
    & skf21("4","3","7","6","1","1","7","1") = "6"
    & skf21("4","3","7","6","1","2","1","1") = "6"
    & skf21("4","3","7","6","1","2","2","1") = "6"
    & skf21("4","3","7","6","1","2","3","1") = "6"
    & skf21("4","3","7","6","1","2","4","1") = "6"
    & skf21("4","3","7","6","1","2","5","1") = "6"
    & skf21("4","3","7","6","1","2","6","1") = "6"
    & skf21("4","3","7","6","1","2","7","1") = "6"
    & skf21("4","3","7","6","1","3","1","1") = "6"
    & skf21("4","3","7","6","1","3","2","1") = "6"
    & skf21("4","3","7","6","1","3","3","1") = "6"
    & skf21("4","3","7","6","1","3","4","1") = "6"
    & skf21("4","3","7","6","1","3","5","1") = "6"
    & skf21("4","3","7","6","1","3","6","1") = "6"
    & skf21("4","3","7","6","1","3","7","1") = "6"
    & skf21("4","3","7","6","1","4","1","1") = "6"
    & skf21("4","3","7","6","1","4","2","1") = "6"
    & skf21("4","3","7","6","1","4","3","1") = "6"
    & skf21("4","3","7","6","1","4","4","1") = "6"
    & skf21("4","3","7","6","1","4","5","1") = "6"
    & skf21("4","3","7","6","1","4","6","1") = "6"
    & skf21("4","3","7","6","1","4","7","1") = "6"
    & skf21("4","3","7","6","1","5","1","1") = "6"
    & skf21("4","3","7","6","1","5","2","1") = "6"
    & skf21("4","3","7","6","1","5","3","1") = "6"
    & skf21("4","3","7","6","1","5","4","1") = "6"
    & skf21("4","3","7","6","1","5","5","1") = "6"
    & skf21("4","3","7","6","1","5","6","1") = "6"
    & skf21("4","3","7","6","1","5","7","1") = "6"
    & skf21("4","3","7","6","1","6","1","1") = "6"
    & skf21("4","3","7","6","1","6","2","1") = "6"
    & skf21("4","3","7","6","1","6","3","1") = "6"
    & skf21("4","3","7","6","1","6","4","1") = "6"
    & skf21("4","3","7","6","1","6","5","1") = "6"
    & skf21("4","3","7","6","1","6","6","1") = "6"
    & skf21("4","3","7","6","1","6","7","1") = "6"
    & skf21("4","3","7","6","1","7","1","1") = "6"
    & skf21("4","3","7","6","1","7","2","1") = "6"
    & skf21("4","3","7","6","1","7","3","1") = "6"
    & skf21("4","3","7","6","1","7","4","1") = "6"
    & skf21("4","3","7","6","1","7","5","1") = "6"
    & skf21("4","3","7","6","1","7","6","1") = "6"
    & skf21("4","3","7","6","1","7","7","1") = "6"
    & skf21("4","3","7","6","2","1","1","1") = "6"
    & skf21("4","3","7","6","2","1","2","1") = "6"
    & skf21("4","3","7","6","2","1","3","1") = "6"
    & skf21("4","3","7","6","2","1","4","1") = "6"
    & skf21("4","3","7","6","2","1","5","1") = "6"
    & skf21("4","3","7","6","2","1","6","1") = "6"
    & skf21("4","3","7","6","2","1","7","1") = "6"
    & skf21("4","3","7","6","2","2","1","1") = "6"
    & skf21("4","3","7","6","2","2","2","1") = "6"
    & skf21("4","3","7","6","2","2","3","1") = "6"
    & skf21("4","3","7","6","2","2","4","1") = "6"
    & skf21("4","3","7","6","2","2","5","1") = "6"
    & skf21("4","3","7","6","2","2","6","1") = "6"
    & skf21("4","3","7","6","2","2","7","1") = "6"
    & skf21("4","3","7","6","2","3","1","1") = "6"
    & skf21("4","3","7","6","2","3","2","1") = "6"
    & skf21("4","3","7","6","2","3","3","1") = "6"
    & skf21("4","3","7","6","2","3","4","1") = "6"
    & skf21("4","3","7","6","2","3","5","1") = "6"
    & skf21("4","3","7","6","2","3","6","1") = "6"
    & skf21("4","3","7","6","2","3","7","1") = "6"
    & skf21("4","3","7","6","2","4","1","1") = "6"
    & skf21("4","3","7","6","2","4","2","1") = "6"
    & skf21("4","3","7","6","2","4","3","1") = "6"
    & skf21("4","3","7","6","2","4","4","1") = "6"
    & skf21("4","3","7","6","2","4","5","1") = "6"
    & skf21("4","3","7","6","2","4","6","1") = "6"
    & skf21("4","3","7","6","2","4","7","1") = "6"
    & skf21("4","3","7","6","2","5","1","1") = "6"
    & skf21("4","3","7","6","2","5","2","1") = "6"
    & skf21("4","3","7","6","2","5","3","1") = "6"
    & skf21("4","3","7","6","2","5","4","1") = "6"
    & skf21("4","3","7","6","2","5","5","1") = "6"
    & skf21("4","3","7","6","2","5","6","1") = "6"
    & skf21("4","3","7","6","2","5","7","1") = "6"
    & skf21("4","3","7","6","2","6","1","1") = "6"
    & skf21("4","3","7","6","2","6","2","1") = "6"
    & skf21("4","3","7","6","2","6","3","1") = "6"
    & skf21("4","3","7","6","2","6","4","1") = "6"
    & skf21("4","3","7","6","2","6","5","1") = "6"
    & skf21("4","3","7","6","2","6","6","1") = "6"
    & skf21("4","3","7","6","2","6","7","1") = "6"
    & skf21("4","3","7","6","2","7","1","1") = "6"
    & skf21("4","3","7","6","2","7","2","1") = "6"
    & skf21("4","3","7","6","2","7","3","1") = "6"
    & skf21("4","3","7","6","2","7","4","1") = "6"
    & skf21("4","3","7","6","2","7","5","1") = "6"
    & skf21("4","3","7","6","2","7","6","1") = "6"
    & skf21("4","3","7","6","2","7","7","1") = "6"
    & skf21("4","3","7","6","3","1","1","1") = "6"
    & skf21("4","3","7","6","3","1","2","1") = "6"
    & skf21("4","3","7","6","3","1","3","1") = "6"
    & skf21("4","3","7","6","3","1","4","1") = "6"
    & skf21("4","3","7","6","3","1","5","1") = "6"
    & skf21("4","3","7","6","3","1","6","1") = "6"
    & skf21("4","3","7","6","3","1","7","1") = "6"
    & skf21("4","3","7","6","3","2","1","1") = "6"
    & skf21("4","3","7","6","3","2","2","1") = "6"
    & skf21("4","3","7","6","3","2","3","1") = "6"
    & skf21("4","3","7","6","3","2","4","1") = "6"
    & skf21("4","3","7","6","3","2","5","1") = "6"
    & skf21("4","3","7","6","3","2","6","1") = "6"
    & skf21("4","3","7","6","3","2","7","1") = "6"
    & skf21("4","3","7","6","3","3","1","1") = "6"
    & skf21("4","3","7","6","3","3","2","1") = "6"
    & skf21("4","3","7","6","3","3","3","1") = "6"
    & skf21("4","3","7","6","3","3","4","1") = "6"
    & skf21("4","3","7","6","3","3","5","1") = "6"
    & skf21("4","3","7","6","3","3","6","1") = "6"
    & skf21("4","3","7","6","3","3","7","1") = "6"
    & skf21("4","3","7","6","3","4","1","1") = "6"
    & skf21("4","3","7","6","3","4","2","1") = "6"
    & skf21("4","3","7","6","3","4","3","1") = "6"
    & skf21("4","3","7","6","3","4","4","1") = "6"
    & skf21("4","3","7","6","3","4","5","1") = "6"
    & skf21("4","3","7","6","3","4","6","1") = "6"
    & skf21("4","3","7","6","3","4","7","1") = "6"
    & skf21("4","3","7","6","3","5","1","1") = "6"
    & skf21("4","3","7","6","3","5","2","1") = "6"
    & skf21("4","3","7","6","3","5","3","1") = "6"
    & skf21("4","3","7","6","3","5","4","1") = "6"
    & skf21("4","3","7","6","3","5","5","1") = "6"
    & skf21("4","3","7","6","3","5","6","1") = "6"
    & skf21("4","3","7","6","3","5","7","1") = "6"
    & skf21("4","3","7","6","3","6","1","1") = "6"
    & skf21("4","3","7","6","3","6","2","1") = "6"
    & skf21("4","3","7","6","3","6","3","1") = "6"
    & skf21("4","3","7","6","3","6","4","1") = "6"
    & skf21("4","3","7","6","3","6","5","1") = "6"
    & skf21("4","3","7","6","3","6","6","1") = "6"
    & skf21("4","3","7","6","3","6","7","1") = "6"
    & skf21("4","3","7","6","3","7","1","1") = "6"
    & skf21("4","3","7","6","3","7","2","1") = "6"
    & skf21("4","3","7","6","3","7","3","1") = "6"
    & skf21("4","3","7","6","3","7","4","1") = "6"
    & skf21("4","3","7","6","3","7","5","1") = "6"
    & skf21("4","3","7","6","3","7","6","1") = "6"
    & skf21("4","3","7","6","3","7","7","1") = "6"
    & skf21("4","3","7","6","4","1","1","1") = "6"
    & skf21("4","3","7","6","4","1","2","1") = "6"
    & skf21("4","3","7","6","4","1","3","1") = "6"
    & skf21("4","3","7","6","4","1","4","1") = "6"
    & skf21("4","3","7","6","4","1","5","1") = "6"
    & skf21("4","3","7","6","4","1","6","1") = "6"
    & skf21("4","3","7","6","4","1","7","1") = "6"
    & skf21("4","3","7","6","4","2","1","1") = "6"
    & skf21("4","3","7","6","4","2","2","1") = "6"
    & skf21("4","3","7","6","4","2","3","1") = "6"
    & skf21("4","3","7","6","4","2","4","1") = "6"
    & skf21("4","3","7","6","4","2","5","1") = "6"
    & skf21("4","3","7","6","4","2","6","1") = "6"
    & skf21("4","3","7","6","4","2","7","1") = "6"
    & skf21("4","3","7","6","4","3","1","1") = "6"
    & skf21("4","3","7","6","4","3","2","1") = "6"
    & skf21("4","3","7","6","4","3","3","1") = "6"
    & skf21("4","3","7","6","4","3","4","1") = "6"
    & skf21("4","3","7","6","4","3","5","1") = "6"
    & skf21("4","3","7","6","4","3","6","1") = "6"
    & skf21("4","3","7","6","4","3","7","1") = "6"
    & skf21("4","3","7","6","4","4","1","1") = "6"
    & skf21("4","3","7","6","4","4","2","1") = "6"
    & skf21("4","3","7","6","4","4","3","1") = "6"
    & skf21("4","3","7","6","4","4","4","1") = "6"
    & skf21("4","3","7","6","4","4","5","1") = "6"
    & skf21("4","3","7","6","4","4","6","1") = "6"
    & skf21("4","3","7","6","4","4","7","1") = "6"
    & skf21("4","3","7","6","4","5","1","1") = "6"
    & skf21("4","3","7","6","4","5","2","1") = "6"
    & skf21("4","3","7","6","4","5","3","1") = "6"
    & skf21("4","3","7","6","4","5","4","1") = "6"
    & skf21("4","3","7","6","4","5","5","1") = "6"
    & skf21("4","3","7","6","4","5","6","1") = "6"
    & skf21("4","3","7","6","4","5","7","1") = "6"
    & skf21("4","3","7","6","4","6","1","1") = "6"
    & skf21("4","3","7","6","4","6","2","1") = "6"
    & skf21("4","3","7","6","4","6","3","1") = "6"
    & skf21("4","3","7","6","4","6","4","1") = "6"
    & skf21("4","3","7","6","4","6","5","1") = "6"
    & skf21("4","3","7","6","4","6","6","1") = "6"
    & skf21("4","3","7","6","4","6","7","1") = "6"
    & skf21("4","3","7","6","4","7","1","1") = "6"
    & skf21("4","3","7","6","4","7","2","1") = "6"
    & skf21("4","3","7","6","4","7","3","1") = "6"
    & skf21("4","3","7","6","4","7","4","1") = "6"
    & skf21("4","3","7","6","4","7","5","1") = "6"
    & skf21("4","3","7","6","4","7","6","1") = "6"
    & skf21("4","3","7","6","4","7","7","1") = "6"
    & skf21("4","3","7","6","5","1","1","1") = "6"
    & skf21("4","3","7","6","5","1","2","1") = "6"
    & skf21("4","3","7","6","5","1","3","1") = "6"
    & skf21("4","3","7","6","5","1","4","1") = "6"
    & skf21("4","3","7","6","5","1","5","1") = "6"
    & skf21("4","3","7","6","5","1","6","1") = "6"
    & skf21("4","3","7","6","5","1","7","1") = "6"
    & skf21("4","3","7","6","5","2","1","1") = "6"
    & skf21("4","3","7","6","5","2","2","1") = "6"
    & skf21("4","3","7","6","5","2","3","1") = "6"
    & skf21("4","3","7","6","5","2","4","1") = "6"
    & skf21("4","3","7","6","5","2","5","1") = "6"
    & skf21("4","3","7","6","5","2","6","1") = "6"
    & skf21("4","3","7","6","5","2","7","1") = "6"
    & skf21("4","3","7","6","5","3","1","1") = "6"
    & skf21("4","3","7","6","5","3","2","1") = "6"
    & skf21("4","3","7","6","5","3","3","1") = "6"
    & skf21("4","3","7","6","5","3","4","1") = "6"
    & skf21("4","3","7","6","5","3","5","1") = "6"
    & skf21("4","3","7","6","5","3","6","1") = "6"
    & skf21("4","3","7","6","5","3","7","1") = "6"
    & skf21("4","3","7","6","5","4","1","1") = "6"
    & skf21("4","3","7","6","5","4","2","1") = "6"
    & skf21("4","3","7","6","5","4","3","1") = "6"
    & skf21("4","3","7","6","5","4","4","1") = "6"
    & skf21("4","3","7","6","5","4","5","1") = "6"
    & skf21("4","3","7","6","5","4","6","1") = "6"
    & skf21("4","3","7","6","5","4","7","1") = "6"
    & skf21("4","3","7","6","5","5","1","1") = "6"
    & skf21("4","3","7","6","5","5","2","1") = "6"
    & skf21("4","3","7","6","5","5","3","1") = "6"
    & skf21("4","3","7","6","5","5","4","1") = "6"
    & skf21("4","3","7","6","5","5","5","1") = "6"
    & skf21("4","3","7","6","5","5","6","1") = "6"
    & skf21("4","3","7","6","5","5","7","1") = "6"
    & skf21("4","3","7","6","5","6","1","1") = "6"
    & skf21("4","3","7","6","5","6","2","1") = "6"
    & skf21("4","3","7","6","5","6","3","1") = "6"
    & skf21("4","3","7","6","5","6","4","1") = "6"
    & skf21("4","3","7","6","5","6","5","1") = "6"
    & skf21("4","3","7","6","5","6","6","1") = "6"
    & skf21("4","3","7","6","5","6","7","1") = "6"
    & skf21("4","3","7","6","5","7","1","1") = "6"
    & skf21("4","3","7","6","5","7","2","1") = "6"
    & skf21("4","3","7","6","5","7","3","1") = "6"
    & skf21("4","3","7","6","5","7","4","1") = "6"
    & skf21("4","3","7","6","5","7","5","1") = "6"
    & skf21("4","3","7","6","5","7","6","1") = "6"
    & skf21("4","3","7","6","5","7","7","1") = "6"
    & skf21("4","3","7","6","6","1","1","1") = "6"
    & skf21("4","3","7","6","6","1","2","1") = "6"
    & skf21("4","3","7","6","6","1","3","1") = "6"
    & skf21("4","3","7","6","6","1","4","1") = "6"
    & skf21("4","3","7","6","6","1","5","1") = "6"
    & skf21("4","3","7","6","6","1","6","1") = "6"
    & skf21("4","3","7","6","6","1","7","1") = "6"
    & skf21("4","3","7","6","6","2","1","1") = "6"
    & skf21("4","3","7","6","6","2","2","1") = "6"
    & skf21("4","3","7","6","6","2","3","1") = "6"
    & skf21("4","3","7","6","6","2","4","1") = "6"
    & skf21("4","3","7","6","6","2","5","1") = "6"
    & skf21("4","3","7","6","6","2","6","1") = "6"
    & skf21("4","3","7","6","6","2","7","1") = "6"
    & skf21("4","3","7","6","6","3","1","1") = "6"
    & skf21("4","3","7","6","6","3","2","1") = "6"
    & skf21("4","3","7","6","6","3","3","1") = "6"
    & skf21("4","3","7","6","6","3","4","1") = "6"
    & skf21("4","3","7","6","6","3","5","1") = "6"
    & skf21("4","3","7","6","6","3","6","1") = "6"
    & skf21("4","3","7","6","6","3","7","1") = "6"
    & skf21("4","3","7","6","6","4","1","1") = "6"
    & skf21("4","3","7","6","6","4","2","1") = "6"
    & skf21("4","3","7","6","6","4","3","1") = "6"
    & skf21("4","3","7","6","6","4","4","1") = "6"
    & skf21("4","3","7","6","6","4","5","1") = "6"
    & skf21("4","3","7","6","6","4","6","1") = "6"
    & skf21("4","3","7","6","6","4","7","1") = "6"
    & skf21("4","3","7","6","6","5","1","1") = "6"
    & skf21("4","3","7","6","6","5","2","1") = "6"
    & skf21("4","3","7","6","6","5","3","1") = "6"
    & skf21("4","3","7","6","6","5","4","1") = "6"
    & skf21("4","3","7","6","6","5","5","1") = "6"
    & skf21("4","3","7","6","6","5","6","1") = "6"
    & skf21("4","3","7","6","6","5","7","1") = "6"
    & skf21("4","3","7","6","6","6","1","1") = "6"
    & skf21("4","3","7","6","6","6","2","1") = "6"
    & skf21("4","3","7","6","6","6","3","1") = "6"
    & skf21("4","3","7","6","6","6","4","1") = "6"
    & skf21("4","3","7","6","6","6","5","1") = "6"
    & skf21("4","3","7","6","6","6","6","1") = "6"
    & skf21("4","3","7","6","6","6","7","1") = "6"
    & skf21("4","3","7","6","6","7","1","1") = "6"
    & skf21("4","3","7","6","6","7","2","1") = "6"
    & skf21("4","3","7","6","6","7","3","1") = "6"
    & skf21("4","3","7","6","6","7","4","1") = "6"
    & skf21("4","3","7","6","6","7","5","1") = "6"
    & skf21("4","3","7","6","6","7","6","1") = "6"
    & skf21("4","3","7","6","6","7","7","1") = "6"
    & skf21("4","3","7","6","7","1","1","1") = "6"
    & skf21("4","3","7","6","7","1","2","1") = "6"
    & skf21("4","3","7","6","7","1","3","1") = "6"
    & skf21("4","3","7","6","7","1","4","1") = "6"
    & skf21("4","3","7","6","7","1","5","1") = "6"
    & skf21("4","3","7","6","7","1","6","1") = "6"
    & skf21("4","3","7","6","7","1","7","1") = "6"
    & skf21("4","3","7","6","7","2","1","1") = "6"
    & skf21("4","3","7","6","7","2","2","1") = "6"
    & skf21("4","3","7","6","7","2","3","1") = "6"
    & skf21("4","3","7","6","7","2","4","1") = "6"
    & skf21("4","3","7","6","7","2","5","1") = "6"
    & skf21("4","3","7","6","7","2","6","1") = "6"
    & skf21("4","3","7","6","7","2","7","1") = "6"
    & skf21("4","3","7","6","7","3","1","1") = "6"
    & skf21("4","3","7","6","7","3","2","1") = "6"
    & skf21("4","3","7","6","7","3","3","1") = "6"
    & skf21("4","3","7","6","7","3","4","1") = "6"
    & skf21("4","3","7","6","7","3","5","1") = "6"
    & skf21("4","3","7","6","7","3","6","1") = "6"
    & skf21("4","3","7","6","7","3","7","1") = "6"
    & skf21("4","3","7","6","7","4","1","1") = "6"
    & skf21("4","3","7","6","7","4","2","1") = "6"
    & skf21("4","3","7","6","7","4","3","1") = "6"
    & skf21("4","3","7","6","7","4","4","1") = "6"
    & skf21("4","3","7","6","7","4","5","1") = "6"
    & skf21("4","3","7","6","7","4","6","1") = "6"
    & skf21("4","3","7","6","7","4","7","1") = "6"
    & skf21("4","3","7","6","7","5","1","1") = "6"
    & skf21("4","3","7","6","7","5","2","1") = "6"
    & skf21("4","3","7","6","7","5","3","1") = "6"
    & skf21("4","3","7","6","7","5","4","1") = "6"
    & skf21("4","3","7","6","7","5","5","1") = "6"
    & skf21("4","3","7","6","7","5","6","1") = "6"
    & skf21("4","3","7","6","7","5","7","1") = "6"
    & skf21("4","3","7","6","7","6","1","1") = "6"
    & skf21("4","3","7","6","7","6","2","1") = "6"
    & skf21("4","3","7","6","7","6","3","1") = "6"
    & skf21("4","3","7","6","7","6","4","1") = "6"
    & skf21("4","3","7","6","7","6","5","1") = "6"
    & skf21("4","3","7","6","7","6","6","1") = "6"
    & skf21("4","3","7","6","7","6","7","1") = "6"
    & skf21("4","3","7","6","7","7","1","1") = "6"
    & skf21("4","3","7","6","7","7","2","1") = "6"
    & skf21("4","3","7","6","7","7","3","1") = "6"
    & skf21("4","3","7","6","7","7","4","1") = "6"
    & skf21("4","3","7","6","7","7","5","1") = "6"
    & skf21("4","3","7","6","7","7","6","1") = "6"
    & skf21("4","3","7","6","7","7","7","1") = "6"
    & skf21("4","3","7","7","1","1","1","1") = "6"
    & skf21("4","3","7","7","1","1","2","1") = "6"
    & skf21("4","3","7","7","1","1","3","1") = "6"
    & skf21("4","3","7","7","1","1","4","1") = "6"
    & skf21("4","3","7","7","1","1","5","1") = "6"
    & skf21("4","3","7","7","1","1","6","1") = "6"
    & skf21("4","3","7","7","1","1","7","1") = "6"
    & skf21("4","3","7","7","1","2","1","1") = "6"
    & skf21("4","3","7","7","1","2","2","1") = "6"
    & skf21("4","3","7","7","1","2","3","1") = "6"
    & skf21("4","3","7","7","1","2","4","1") = "6"
    & skf21("4","3","7","7","1","2","5","1") = "6"
    & skf21("4","3","7","7","1","2","6","1") = "6"
    & skf21("4","3","7","7","1","2","7","1") = "6"
    & skf21("4","3","7","7","1","3","1","1") = "6"
    & skf21("4","3","7","7","1","3","2","1") = "6"
    & skf21("4","3","7","7","1","3","3","1") = "6"
    & skf21("4","3","7","7","1","3","4","1") = "6"
    & skf21("4","3","7","7","1","3","5","1") = "6"
    & skf21("4","3","7","7","1","3","6","1") = "6"
    & skf21("4","3","7","7","1","3","7","1") = "6"
    & skf21("4","3","7","7","1","4","1","1") = "6"
    & skf21("4","3","7","7","1","4","2","1") = "6"
    & skf21("4","3","7","7","1","4","3","1") = "6"
    & skf21("4","3","7","7","1","4","4","1") = "6"
    & skf21("4","3","7","7","1","4","5","1") = "6"
    & skf21("4","3","7","7","1","4","6","1") = "6"
    & skf21("4","3","7","7","1","4","7","1") = "6"
    & skf21("4","3","7","7","1","5","1","1") = "6"
    & skf21("4","3","7","7","1","5","2","1") = "6"
    & skf21("4","3","7","7","1","5","3","1") = "6"
    & skf21("4","3","7","7","1","5","4","1") = "6"
    & skf21("4","3","7","7","1","5","5","1") = "6"
    & skf21("4","3","7","7","1","5","6","1") = "6"
    & skf21("4","3","7","7","1","5","7","1") = "6"
    & skf21("4","3","7","7","1","6","1","1") = "6"
    & skf21("4","3","7","7","1","6","2","1") = "6"
    & skf21("4","3","7","7","1","6","3","1") = "6"
    & skf21("4","3","7","7","1","6","4","1") = "6"
    & skf21("4","3","7","7","1","6","5","1") = "6"
    & skf21("4","3","7","7","1","6","6","1") = "6"
    & skf21("4","3","7","7","1","6","7","1") = "6"
    & skf21("4","3","7","7","1","7","1","1") = "6"
    & skf21("4","3","7","7","1","7","2","1") = "6"
    & skf21("4","3","7","7","1","7","3","1") = "6"
    & skf21("4","3","7","7","1","7","4","1") = "6"
    & skf21("4","3","7","7","1","7","5","1") = "6"
    & skf21("4","3","7","7","1","7","6","1") = "6"
    & skf21("4","3","7","7","1","7","7","1") = "6"
    & skf21("4","3","7","7","2","1","1","1") = "6"
    & skf21("4","3","7","7","2","1","2","1") = "6"
    & skf21("4","3","7","7","2","1","3","1") = "6"
    & skf21("4","3","7","7","2","1","4","1") = "6"
    & skf21("4","3","7","7","2","1","5","1") = "6"
    & skf21("4","3","7","7","2","1","6","1") = "6"
    & skf21("4","3","7","7","2","1","7","1") = "6"
    & skf21("4","3","7","7","2","2","1","1") = "6"
    & skf21("4","3","7","7","2","2","2","1") = "6"
    & skf21("4","3","7","7","2","2","3","1") = "6"
    & skf21("4","3","7","7","2","2","4","1") = "6"
    & skf21("4","3","7","7","2","2","5","1") = "6"
    & skf21("4","3","7","7","2","2","6","1") = "6"
    & skf21("4","3","7","7","2","2","7","1") = "6"
    & skf21("4","3","7","7","2","3","1","1") = "6"
    & skf21("4","3","7","7","2","3","2","1") = "6"
    & skf21("4","3","7","7","2","3","3","1") = "6"
    & skf21("4","3","7","7","2","3","4","1") = "6"
    & skf21("4","3","7","7","2","3","5","1") = "6"
    & skf21("4","3","7","7","2","3","6","1") = "6"
    & skf21("4","3","7","7","2","3","7","1") = "6"
    & skf21("4","3","7","7","2","4","1","1") = "6"
    & skf21("4","3","7","7","2","4","2","1") = "6"
    & skf21("4","3","7","7","2","4","3","1") = "6"
    & skf21("4","3","7","7","2","4","4","1") = "6"
    & skf21("4","3","7","7","2","4","5","1") = "6"
    & skf21("4","3","7","7","2","4","6","1") = "6"
    & skf21("4","3","7","7","2","4","7","1") = "6"
    & skf21("4","3","7","7","2","5","1","1") = "6"
    & skf21("4","3","7","7","2","5","2","1") = "6"
    & skf21("4","3","7","7","2","5","3","1") = "6"
    & skf21("4","3","7","7","2","5","4","1") = "6"
    & skf21("4","3","7","7","2","5","5","1") = "6"
    & skf21("4","3","7","7","2","5","6","1") = "6"
    & skf21("4","3","7","7","2","5","7","1") = "6"
    & skf21("4","3","7","7","2","6","1","1") = "6"
    & skf21("4","3","7","7","2","6","2","1") = "6"
    & skf21("4","3","7","7","2","6","3","1") = "6"
    & skf21("4","3","7","7","2","6","4","1") = "6"
    & skf21("4","3","7","7","2","6","5","1") = "6"
    & skf21("4","3","7","7","2","6","6","1") = "6"
    & skf21("4","3","7","7","2","6","7","1") = "6"
    & skf21("4","3","7","7","2","7","1","1") = "6"
    & skf21("4","3","7","7","2","7","2","1") = "6"
    & skf21("4","3","7","7","2","7","3","1") = "6"
    & skf21("4","3","7","7","2","7","4","1") = "6"
    & skf21("4","3","7","7","2","7","5","1") = "6"
    & skf21("4","3","7","7","2","7","6","1") = "6"
    & skf21("4","3","7","7","2","7","7","1") = "6"
    & skf21("4","3","7","7","3","1","1","1") = "6"
    & skf21("4","3","7","7","3","1","2","1") = "6"
    & skf21("4","3","7","7","3","1","3","1") = "6"
    & skf21("4","3","7","7","3","1","4","1") = "6"
    & skf21("4","3","7","7","3","1","5","1") = "6"
    & skf21("4","3","7","7","3","1","6","1") = "6"
    & skf21("4","3","7","7","3","1","7","1") = "6"
    & skf21("4","3","7","7","3","2","1","1") = "6"
    & skf21("4","3","7","7","3","2","2","1") = "6"
    & skf21("4","3","7","7","3","2","3","1") = "6"
    & skf21("4","3","7","7","3","2","4","1") = "6"
    & skf21("4","3","7","7","3","2","5","1") = "6"
    & skf21("4","3","7","7","3","2","6","1") = "6"
    & skf21("4","3","7","7","3","2","7","1") = "6"
    & skf21("4","3","7","7","3","3","1","1") = "6"
    & skf21("4","3","7","7","3","3","2","1") = "6"
    & skf21("4","3","7","7","3","3","3","1") = "6"
    & skf21("4","3","7","7","3","3","4","1") = "6"
    & skf21("4","3","7","7","3","3","5","1") = "6"
    & skf21("4","3","7","7","3","3","6","1") = "6"
    & skf21("4","3","7","7","3","3","7","1") = "6"
    & skf21("4","3","7","7","3","4","1","1") = "6"
    & skf21("4","3","7","7","3","4","2","1") = "6"
    & skf21("4","3","7","7","3","4","3","1") = "6"
    & skf21("4","3","7","7","3","4","4","1") = "6"
    & skf21("4","3","7","7","3","4","5","1") = "6"
    & skf21("4","3","7","7","3","4","6","1") = "6"
    & skf21("4","3","7","7","3","4","7","1") = "6"
    & skf21("4","3","7","7","3","5","1","1") = "6"
    & skf21("4","3","7","7","3","5","2","1") = "6"
    & skf21("4","3","7","7","3","5","3","1") = "6"
    & skf21("4","3","7","7","3","5","4","1") = "6"
    & skf21("4","3","7","7","3","5","5","1") = "6"
    & skf21("4","3","7","7","3","5","6","1") = "6"
    & skf21("4","3","7","7","3","5","7","1") = "6"
    & skf21("4","3","7","7","3","6","1","1") = "6"
    & skf21("4","3","7","7","3","6","2","1") = "6"
    & skf21("4","3","7","7","3","6","3","1") = "6"
    & skf21("4","3","7","7","3","6","4","1") = "6"
    & skf21("4","3","7","7","3","6","5","1") = "6"
    & skf21("4","3","7","7","3","6","6","1") = "6"
    & skf21("4","3","7","7","3","6","7","1") = "6"
    & skf21("4","3","7","7","3","7","1","1") = "6"
    & skf21("4","3","7","7","3","7","2","1") = "6"
    & skf21("4","3","7","7","3","7","3","1") = "6"
    & skf21("4","3","7","7","3","7","4","1") = "6"
    & skf21("4","3","7","7","3","7","5","1") = "6"
    & skf21("4","3","7","7","3","7","6","1") = "6"
    & skf21("4","3","7","7","3","7","7","1") = "6"
    & skf21("4","3","7","7","4","1","1","1") = "6"
    & skf21("4","3","7","7","4","1","2","1") = "6"
    & skf21("4","3","7","7","4","1","3","1") = "6"
    & skf21("4","3","7","7","4","1","4","1") = "6"
    & skf21("4","3","7","7","4","1","5","1") = "6"
    & skf21("4","3","7","7","4","1","6","1") = "6"
    & skf21("4","3","7","7","4","1","7","1") = "6"
    & skf21("4","3","7","7","4","2","1","1") = "6"
    & skf21("4","3","7","7","4","2","2","1") = "6"
    & skf21("4","3","7","7","4","2","3","1") = "6"
    & skf21("4","3","7","7","4","2","4","1") = "6"
    & skf21("4","3","7","7","4","2","5","1") = "6"
    & skf21("4","3","7","7","4","2","6","1") = "6"
    & skf21("4","3","7","7","4","2","7","1") = "6"
    & skf21("4","3","7","7","4","3","1","1") = "6"
    & skf21("4","3","7","7","4","3","2","1") = "6"
    & skf21("4","3","7","7","4","3","3","1") = "6"
    & skf21("4","3","7","7","4","3","4","1") = "6"
    & skf21("4","3","7","7","4","3","5","1") = "6"
    & skf21("4","3","7","7","4","3","6","1") = "6"
    & skf21("4","3","7","7","4","3","7","1") = "6"
    & skf21("4","3","7","7","4","4","1","1") = "6"
    & skf21("4","3","7","7","4","4","2","1") = "6"
    & skf21("4","3","7","7","4","4","3","1") = "6"
    & skf21("4","3","7","7","4","4","4","1") = "6"
    & skf21("4","3","7","7","4","4","5","1") = "6"
    & skf21("4","3","7","7","4","4","6","1") = "6"
    & skf21("4","3","7","7","4","4","7","1") = "6"
    & skf21("4","3","7","7","4","5","1","1") = "6"
    & skf21("4","3","7","7","4","5","2","1") = "6"
    & skf21("4","3","7","7","4","5","3","1") = "6"
    & skf21("4","3","7","7","4","5","4","1") = "6"
    & skf21("4","3","7","7","4","5","5","1") = "6"
    & skf21("4","3","7","7","4","5","6","1") = "6"
    & skf21("4","3","7","7","4","5","7","1") = "6"
    & skf21("4","3","7","7","4","6","1","1") = "6"
    & skf21("4","3","7","7","4","6","2","1") = "6"
    & skf21("4","3","7","7","4","6","3","1") = "6"
    & skf21("4","3","7","7","4","6","4","1") = "6"
    & skf21("4","3","7","7","4","6","5","1") = "6"
    & skf21("4","3","7","7","4","6","6","1") = "6"
    & skf21("4","3","7","7","4","6","7","1") = "6"
    & skf21("4","3","7","7","4","7","1","1") = "6"
    & skf21("4","3","7","7","4","7","2","1") = "6"
    & skf21("4","3","7","7","4","7","3","1") = "6"
    & skf21("4","3","7","7","4","7","4","1") = "6"
    & skf21("4","3","7","7","4","7","5","1") = "6"
    & skf21("4","3","7","7","4","7","6","1") = "6"
    & skf21("4","3","7","7","4","7","7","1") = "6"
    & skf21("4","3","7","7","5","1","1","1") = "6"
    & skf21("4","3","7","7","5","1","2","1") = "6"
    & skf21("4","3","7","7","5","1","3","1") = "6"
    & skf21("4","3","7","7","5","1","4","1") = "6"
    & skf21("4","3","7","7","5","1","5","1") = "6"
    & skf21("4","3","7","7","5","1","6","1") = "6"
    & skf21("4","3","7","7","5","1","7","1") = "6"
    & skf21("4","3","7","7","5","2","1","1") = "6"
    & skf21("4","3","7","7","5","2","2","1") = "6"
    & skf21("4","3","7","7","5","2","3","1") = "6"
    & skf21("4","3","7","7","5","2","4","1") = "6"
    & skf21("4","3","7","7","5","2","5","1") = "6"
    & skf21("4","3","7","7","5","2","6","1") = "6"
    & skf21("4","3","7","7","5","2","7","1") = "6"
    & skf21("4","3","7","7","5","3","1","1") = "6"
    & skf21("4","3","7","7","5","3","2","1") = "6"
    & skf21("4","3","7","7","5","3","3","1") = "6"
    & skf21("4","3","7","7","5","3","4","1") = "6"
    & skf21("4","3","7","7","5","3","5","1") = "6"
    & skf21("4","3","7","7","5","3","6","1") = "6"
    & skf21("4","3","7","7","5","3","7","1") = "6"
    & skf21("4","3","7","7","5","4","1","1") = "6"
    & skf21("4","3","7","7","5","4","2","1") = "6"
    & skf21("4","3","7","7","5","4","3","1") = "6"
    & skf21("4","3","7","7","5","4","4","1") = "6"
    & skf21("4","3","7","7","5","4","5","1") = "6"
    & skf21("4","3","7","7","5","4","6","1") = "6"
    & skf21("4","3","7","7","5","4","7","1") = "6"
    & skf21("4","3","7","7","5","5","1","1") = "6"
    & skf21("4","3","7","7","5","5","2","1") = "6"
    & skf21("4","3","7","7","5","5","3","1") = "6"
    & skf21("4","3","7","7","5","5","4","1") = "6"
    & skf21("4","3","7","7","5","5","5","1") = "6"
    & skf21("4","3","7","7","5","5","6","1") = "6"
    & skf21("4","3","7","7","5","5","7","1") = "6"
    & skf21("4","3","7","7","5","6","1","1") = "6"
    & skf21("4","3","7","7","5","6","2","1") = "6"
    & skf21("4","3","7","7","5","6","3","1") = "6"
    & skf21("4","3","7","7","5","6","4","1") = "6"
    & skf21("4","3","7","7","5","6","5","1") = "6"
    & skf21("4","3","7","7","5","6","6","1") = "6"
    & skf21("4","3","7","7","5","6","7","1") = "6"
    & skf21("4","3","7","7","5","7","1","1") = "6"
    & skf21("4","3","7","7","5","7","2","1") = "6"
    & skf21("4","3","7","7","5","7","3","1") = "6"
    & skf21("4","3","7","7","5","7","4","1") = "6"
    & skf21("4","3","7","7","5","7","5","1") = "6"
    & skf21("4","3","7","7","5","7","6","1") = "6"
    & skf21("4","3","7","7","5","7","7","1") = "6"
    & skf21("4","3","7","7","6","1","1","1") = "6"
    & skf21("4","3","7","7","6","1","2","1") = "6"
    & skf21("4","3","7","7","6","1","3","1") = "6"
    & skf21("4","3","7","7","6","1","4","1") = "6"
    & skf21("4","3","7","7","6","1","5","1") = "6"
    & skf21("4","3","7","7","6","1","6","1") = "6"
    & skf21("4","3","7","7","6","1","7","1") = "6"
    & skf21("4","3","7","7","6","2","1","1") = "6"
    & skf21("4","3","7","7","6","2","2","1") = "6"
    & skf21("4","3","7","7","6","2","3","1") = "6"
    & skf21("4","3","7","7","6","2","4","1") = "6"
    & skf21("4","3","7","7","6","2","5","1") = "6"
    & skf21("4","3","7","7","6","2","6","1") = "6"
    & skf21("4","3","7","7","6","2","7","1") = "6"
    & skf21("4","3","7","7","6","3","1","1") = "6"
    & skf21("4","3","7","7","6","3","2","1") = "6"
    & skf21("4","3","7","7","6","3","3","1") = "6"
    & skf21("4","3","7","7","6","3","4","1") = "6"
    & skf21("4","3","7","7","6","3","5","1") = "6"
    & skf21("4","3","7","7","6","3","6","1") = "6"
    & skf21("4","3","7","7","6","3","7","1") = "6"
    & skf21("4","3","7","7","6","4","1","1") = "6"
    & skf21("4","3","7","7","6","4","2","1") = "6"
    & skf21("4","3","7","7","6","4","3","1") = "6"
    & skf21("4","3","7","7","6","4","4","1") = "6"
    & skf21("4","3","7","7","6","4","5","1") = "6"
    & skf21("4","3","7","7","6","4","6","1") = "6"
    & skf21("4","3","7","7","6","4","7","1") = "6"
    & skf21("4","3","7","7","6","5","1","1") = "6"
    & skf21("4","3","7","7","6","5","2","1") = "6"
    & skf21("4","3","7","7","6","5","3","1") = "6"
    & skf21("4","3","7","7","6","5","4","1") = "6"
    & skf21("4","3","7","7","6","5","5","1") = "6"
    & skf21("4","3","7","7","6","5","6","1") = "6"
    & skf21("4","3","7","7","6","5","7","1") = "6"
    & skf21("4","3","7","7","6","6","1","1") = "6"
    & skf21("4","3","7","7","6","6","2","1") = "6"
    & skf21("4","3","7","7","6","6","3","1") = "6"
    & skf21("4","3","7","7","6","6","4","1") = "6"
    & skf21("4","3","7","7","6","6","5","1") = "6"
    & skf21("4","3","7","7","6","6","6","1") = "6"
    & skf21("4","3","7","7","6","6","7","1") = "6"
    & skf21("4","3","7","7","6","7","1","1") = "6"
    & skf21("4","3","7","7","6","7","2","1") = "6"
    & skf21("4","3","7","7","6","7","3","1") = "6"
    & skf21("4","3","7","7","6","7","4","1") = "6"
    & skf21("4","3","7","7","6","7","5","1") = "6"
    & skf21("4","3","7","7","6","7","6","1") = "6"
    & skf21("4","3","7","7","6","7","7","1") = "6"
    & skf21("4","3","7","7","7","1","1","1") = "6"
    & skf21("4","3","7","7","7","1","2","1") = "6"
    & skf21("4","3","7","7","7","1","3","1") = "6"
    & skf21("4","3","7","7","7","1","4","1") = "6"
    & skf21("4","3","7","7","7","1","5","1") = "6"
    & skf21("4","3","7","7","7","1","6","1") = "6"
    & skf21("4","3","7","7","7","1","7","1") = "6"
    & skf21("4","3","7","7","7","2","1","1") = "6"
    & skf21("4","3","7","7","7","2","2","1") = "6"
    & skf21("4","3","7","7","7","2","3","1") = "6"
    & skf21("4","3","7","7","7","2","4","1") = "6"
    & skf21("4","3","7","7","7","2","5","1") = "6"
    & skf21("4","3","7","7","7","2","6","1") = "6"
    & skf21("4","3","7","7","7","2","7","1") = "6"
    & skf21("4","3","7","7","7","3","1","1") = "6"
    & skf21("4","3","7","7","7","3","2","1") = "6"
    & skf21("4","3","7","7","7","3","3","1") = "6"
    & skf21("4","3","7","7","7","3","4","1") = "6"
    & skf21("4","3","7","7","7","3","5","1") = "6"
    & skf21("4","3","7","7","7","3","6","1") = "6"
    & skf21("4","3","7","7","7","3","7","1") = "6"
    & skf21("4","3","7","7","7","4","1","1") = "6"
    & skf21("4","3","7","7","7","4","2","1") = "6"
    & skf21("4","3","7","7","7","4","3","1") = "6"
    & skf21("4","3","7","7","7","4","4","1") = "6"
    & skf21("4","3","7","7","7","4","5","1") = "6"
    & skf21("4","3","7","7","7","4","6","1") = "6"
    & skf21("4","3","7","7","7","4","7","1") = "6"
    & skf21("4","3","7","7","7","5","1","1") = "6"
    & skf21("4","3","7","7","7","5","2","1") = "6"
    & skf21("4","3","7","7","7","5","3","1") = "6"
    & skf21("4","3","7","7","7","5","4","1") = "6"
    & skf21("4","3","7","7","7","5","5","1") = "6"
    & skf21("4","3","7","7","7","5","6","1") = "6"
    & skf21("4","3","7","7","7","5","7","1") = "6"
    & skf21("4","3","7","7","7","6","1","1") = "6"
    & skf21("4","3","7","7","7","6","2","1") = "6"
    & skf21("4","3","7","7","7","6","3","1") = "6"
    & skf21("4","3","7","7","7","6","4","1") = "6"
    & skf21("4","3","7","7","7","6","5","1") = "6"
    & skf21("4","3","7","7","7","6","6","1") = "6"
    & skf21("4","3","7","7","7","6","7","1") = "6"
    & skf21("4","3","7","7","7","7","1","1") = "6"
    & skf21("4","3","7","7","7","7","2","1") = "6"
    & skf21("4","3","7","7","7","7","3","1") = "6"
    & skf21("4","3","7","7","7","7","4","1") = "6"
    & skf21("4","3","7","7","7","7","5","1") = "6"
    & skf21("4","3","7","7","7","7","6","1") = "6"
    & skf21("4","3","7","7","7","7","7","1") = "6"
    & skf21("4","4","1","1","1","1","1","1") = "3"
    & skf21("4","4","1","1","1","1","2","1") = "3"
    & skf21("4","4","1","1","1","1","3","1") = "3"
    & skf21("4","4","1","1","1","1","4","1") = "3"
    & skf21("4","4","1","1","1","1","5","1") = "4"
    & skf21("4","4","1","1","1","1","6","1") = "5"
    & skf21("4","4","1","1","1","1","7","1") = "6"
    & skf21("4","4","1","1","1","2","1","1") = "3"
    & skf21("4","4","1","1","1","2","2","1") = "3"
    & skf21("4","4","1","1","1","2","3","1") = "3"
    & skf21("4","4","1","1","1","2","4","1") = "3"
    & skf21("4","4","1","1","1","2","5","1") = "4"
    & skf21("4","4","1","1","1","2","6","1") = "5"
    & skf21("4","4","1","1","1","2","7","1") = "6"
    & skf21("4","4","1","1","1","3","1","1") = "3"
    & skf21("4","4","1","1","1","3","2","1") = "3"
    & skf21("4","4","1","1","1","3","3","1") = "3"
    & skf21("4","4","1","1","1","3","4","1") = "3"
    & skf21("4","4","1","1","1","3","5","1") = "4"
    & skf21("4","4","1","1","1","3","6","1") = "5"
    & skf21("4","4","1","1","1","3","7","1") = "6"
    & skf21("4","4","1","1","1","4","1","1") = "3"
    & skf21("4","4","1","1","1","4","2","1") = "3"
    & skf21("4","4","1","1","1","4","3","1") = "3"
    & skf21("4","4","1","1","1","4","4","1") = "3"
    & skf21("4","4","1","1","1","4","5","1") = "4"
    & skf21("4","4","1","1","1","4","6","1") = "5"
    & skf21("4","4","1","1","1","4","7","1") = "6"
    & skf21("4","4","1","1","1","5","1","1") = "4"
    & skf21("4","4","1","1","1","5","2","1") = "4"
    & skf21("4","4","1","1","1","5","3","1") = "4"
    & skf21("4","4","1","1","1","5","4","1") = "4"
    & skf21("4","4","1","1","1","5","5","1") = "4"
    & skf21("4","4","1","1","1","5","6","1") = "5"
    & skf21("4","4","1","1","1","5","7","1") = "6"
    & skf21("4","4","1","1","1","6","1","1") = "5"
    & skf21("4","4","1","1","1","6","2","1") = "5"
    & skf21("4","4","1","1","1","6","3","1") = "5"
    & skf21("4","4","1","1","1","6","4","1") = "5"
    & skf21("4","4","1","1","1","6","5","1") = "5"
    & skf21("4","4","1","1","1","6","6","1") = "5"
    & skf21("4","4","1","1","1","6","7","1") = "6"
    & skf21("4","4","1","1","1","7","1","1") = "6"
    & skf21("4","4","1","1","1","7","2","1") = "6"
    & skf21("4","4","1","1","1","7","3","1") = "6"
    & skf21("4","4","1","1","1","7","4","1") = "6"
    & skf21("4","4","1","1","1","7","5","1") = "6"
    & skf21("4","4","1","1","1","7","6","1") = "6"
    & skf21("4","4","1","1","1","7","7","1") = "6"
    & skf21("4","4","1","1","2","1","1","1") = "3"
    & skf21("4","4","1","1","2","1","2","1") = "3"
    & skf21("4","4","1","1","2","1","3","1") = "3"
    & skf21("4","4","1","1","2","1","4","1") = "3"
    & skf21("4","4","1","1","2","1","5","1") = "4"
    & skf21("4","4","1","1","2","1","6","1") = "5"
    & skf21("4","4","1","1","2","1","7","1") = "6"
    & skf21("4","4","1","1","2","2","1","1") = "3"
    & skf21("4","4","1","1","2","2","2","1") = "3"
    & skf21("4","4","1","1","2","2","3","1") = "3"
    & skf21("4","4","1","1","2","2","4","1") = "3"
    & skf21("4","4","1","1","2","2","5","1") = "4"
    & skf21("4","4","1","1","2","2","6","1") = "5"
    & skf21("4","4","1","1","2","2","7","1") = "6"
    & skf21("4","4","1","1","2","3","1","1") = "3"
    & skf21("4","4","1","1","2","3","2","1") = "3"
    & skf21("4","4","1","1","2","3","3","1") = "3"
    & skf21("4","4","1","1","2","3","4","1") = "3"
    & skf21("4","4","1","1","2","3","5","1") = "4"
    & skf21("4","4","1","1","2","3","6","1") = "5"
    & skf21("4","4","1","1","2","3","7","1") = "6"
    & skf21("4","4","1","1","2","4","1","1") = "3"
    & skf21("4","4","1","1","2","4","2","1") = "3"
    & skf21("4","4","1","1","2","4","3","1") = "3"
    & skf21("4","4","1","1","2","4","4","1") = "3"
    & skf21("4","4","1","1","2","4","5","1") = "4"
    & skf21("4","4","1","1","2","4","6","1") = "5"
    & skf21("4","4","1","1","2","4","7","1") = "6"
    & skf21("4","4","1","1","2","5","1","1") = "4"
    & skf21("4","4","1","1","2","5","2","1") = "4"
    & skf21("4","4","1","1","2","5","3","1") = "4"
    & skf21("4","4","1","1","2","5","4","1") = "4"
    & skf21("4","4","1","1","2","5","5","1") = "4"
    & skf21("4","4","1","1","2","5","6","1") = "5"
    & skf21("4","4","1","1","2","5","7","1") = "6"
    & skf21("4","4","1","1","2","6","1","1") = "5"
    & skf21("4","4","1","1","2","6","2","1") = "5"
    & skf21("4","4","1","1","2","6","3","1") = "5"
    & skf21("4","4","1","1","2","6","4","1") = "5"
    & skf21("4","4","1","1","2","6","5","1") = "5"
    & skf21("4","4","1","1","2","6","6","1") = "5"
    & skf21("4","4","1","1","2","6","7","1") = "6"
    & skf21("4","4","1","1","2","7","1","1") = "6"
    & skf21("4","4","1","1","2","7","2","1") = "6"
    & skf21("4","4","1","1","2","7","3","1") = "6"
    & skf21("4","4","1","1","2","7","4","1") = "6"
    & skf21("4","4","1","1","2","7","5","1") = "6"
    & skf21("4","4","1","1","2","7","6","1") = "6"
    & skf21("4","4","1","1","2","7","7","1") = "6"
    & skf21("4","4","1","1","3","1","1","1") = "3"
    & skf21("4","4","1","1","3","1","2","1") = "3"
    & skf21("4","4","1","1","3","1","3","1") = "3"
    & skf21("4","4","1","1","3","1","4","1") = "3"
    & skf21("4","4","1","1","3","1","5","1") = "4"
    & skf21("4","4","1","1","3","1","6","1") = "5"
    & skf21("4","4","1","1","3","1","7","1") = "6"
    & skf21("4","4","1","1","3","2","1","1") = "3"
    & skf21("4","4","1","1","3","2","2","1") = "3"
    & skf21("4","4","1","1","3","2","3","1") = "3"
    & skf21("4","4","1","1","3","2","4","1") = "3"
    & skf21("4","4","1","1","3","2","5","1") = "4"
    & skf21("4","4","1","1","3","2","6","1") = "5"
    & skf21("4","4","1","1","3","2","7","1") = "6"
    & skf21("4","4","1","1","3","3","1","1") = "3"
    & skf21("4","4","1","1","3","3","2","1") = "3"
    & skf21("4","4","1","1","3","3","3","1") = "3"
    & skf21("4","4","1","1","3","3","4","1") = "3"
    & skf21("4","4","1","1","3","3","5","1") = "4"
    & skf21("4","4","1","1","3","3","6","1") = "5"
    & skf21("4","4","1","1","3","3","7","1") = "6"
    & skf21("4","4","1","1","3","4","1","1") = "3"
    & skf21("4","4","1","1","3","4","2","1") = "3"
    & skf21("4","4","1","1","3","4","3","1") = "3"
    & skf21("4","4","1","1","3","4","4","1") = "3"
    & skf21("4","4","1","1","3","4","5","1") = "4"
    & skf21("4","4","1","1","3","4","6","1") = "5"
    & skf21("4","4","1","1","3","4","7","1") = "6"
    & skf21("4","4","1","1","3","5","1","1") = "4"
    & skf21("4","4","1","1","3","5","2","1") = "4"
    & skf21("4","4","1","1","3","5","3","1") = "4"
    & skf21("4","4","1","1","3","5","4","1") = "4"
    & skf21("4","4","1","1","3","5","5","1") = "4"
    & skf21("4","4","1","1","3","5","6","1") = "5"
    & skf21("4","4","1","1","3","5","7","1") = "6"
    & skf21("4","4","1","1","3","6","1","1") = "5"
    & skf21("4","4","1","1","3","6","2","1") = "5"
    & skf21("4","4","1","1","3","6","3","1") = "5"
    & skf21("4","4","1","1","3","6","4","1") = "5"
    & skf21("4","4","1","1","3","6","5","1") = "5"
    & skf21("4","4","1","1","3","6","6","1") = "5"
    & skf21("4","4","1","1","3","6","7","1") = "6"
    & skf21("4","4","1","1","3","7","1","1") = "6"
    & skf21("4","4","1","1","3","7","2","1") = "6"
    & skf21("4","4","1","1","3","7","3","1") = "6"
    & skf21("4","4","1","1","3","7","4","1") = "6"
    & skf21("4","4","1","1","3","7","5","1") = "6"
    & skf21("4","4","1","1","3","7","6","1") = "6"
    & skf21("4","4","1","1","3","7","7","1") = "6"
    & skf21("4","4","1","1","4","1","1","1") = "3"
    & skf21("4","4","1","1","4","1","2","1") = "3"
    & skf21("4","4","1","1","4","1","3","1") = "3"
    & skf21("4","4","1","1","4","1","4","1") = "3"
    & skf21("4","4","1","1","4","1","5","1") = "4"
    & skf21("4","4","1","1","4","1","6","1") = "5"
    & skf21("4","4","1","1","4","1","7","1") = "6"
    & skf21("4","4","1","1","4","2","1","1") = "3"
    & skf21("4","4","1","1","4","2","2","1") = "3"
    & skf21("4","4","1","1","4","2","3","1") = "3"
    & skf21("4","4","1","1","4","2","4","1") = "3"
    & skf21("4","4","1","1","4","2","5","1") = "4"
    & skf21("4","4","1","1","4","2","6","1") = "5"
    & skf21("4","4","1","1","4","2","7","1") = "6"
    & skf21("4","4","1","1","4","3","1","1") = "3"
    & skf21("4","4","1","1","4","3","2","1") = "3"
    & skf21("4","4","1","1","4","3","3","1") = "3"
    & skf21("4","4","1","1","4","3","4","1") = "3"
    & skf21("4","4","1","1","4","3","5","1") = "4"
    & skf21("4","4","1","1","4","3","6","1") = "5"
    & skf21("4","4","1","1","4","3","7","1") = "6"
    & skf21("4","4","1","1","4","4","1","1") = "3"
    & skf21("4","4","1","1","4","4","2","1") = "3"
    & skf21("4","4","1","1","4","4","3","1") = "3"
    & skf21("4","4","1","1","4","4","4","1") = "3"
    & skf21("4","4","1","1","4","4","5","1") = "4"
    & skf21("4","4","1","1","4","4","6","1") = "5"
    & skf21("4","4","1","1","4","4","7","1") = "6"
    & skf21("4","4","1","1","4","5","1","1") = "4"
    & skf21("4","4","1","1","4","5","2","1") = "4"
    & skf21("4","4","1","1","4","5","3","1") = "4"
    & skf21("4","4","1","1","4","5","4","1") = "4"
    & skf21("4","4","1","1","4","5","5","1") = "4"
    & skf21("4","4","1","1","4","5","6","1") = "5"
    & skf21("4","4","1","1","4","5","7","1") = "6"
    & skf21("4","4","1","1","4","6","1","1") = "5"
    & skf21("4","4","1","1","4","6","2","1") = "5"
    & skf21("4","4","1","1","4","6","3","1") = "5"
    & skf21("4","4","1","1","4","6","4","1") = "5"
    & skf21("4","4","1","1","4","6","5","1") = "5"
    & skf21("4","4","1","1","4","6","6","1") = "5"
    & skf21("4","4","1","1","4","6","7","1") = "6"
    & skf21("4","4","1","1","4","7","1","1") = "6"
    & skf21("4","4","1","1","4","7","2","1") = "6"
    & skf21("4","4","1","1","4","7","3","1") = "6"
    & skf21("4","4","1","1","4","7","4","1") = "6"
    & skf21("4","4","1","1","4","7","5","1") = "6"
    & skf21("4","4","1","1","4","7","6","1") = "6"
    & skf21("4","4","1","1","4","7","7","1") = "6"
    & skf21("4","4","1","1","5","1","1","1") = "4"
    & skf21("4","4","1","1","5","1","2","1") = "4"
    & skf21("4","4","1","1","5","1","3","1") = "4"
    & skf21("4","4","1","1","5","1","4","1") = "4"
    & skf21("4","4","1","1","5","1","5","1") = "4"
    & skf21("4","4","1","1","5","1","6","1") = "5"
    & skf21("4","4","1","1","5","1","7","1") = "6"
    & skf21("4","4","1","1","5","2","1","1") = "4"
    & skf21("4","4","1","1","5","2","2","1") = "4"
    & skf21("4","4","1","1","5","2","3","1") = "4"
    & skf21("4","4","1","1","5","2","4","1") = "4"
    & skf21("4","4","1","1","5","2","5","1") = "4"
    & skf21("4","4","1","1","5","2","6","1") = "5"
    & skf21("4","4","1","1","5","2","7","1") = "6"
    & skf21("4","4","1","1","5","3","1","1") = "4"
    & skf21("4","4","1","1","5","3","2","1") = "4"
    & skf21("4","4","1","1","5","3","3","1") = "4"
    & skf21("4","4","1","1","5","3","4","1") = "4"
    & skf21("4","4","1","1","5","3","5","1") = "4"
    & skf21("4","4","1","1","5","3","6","1") = "5"
    & skf21("4","4","1","1","5","3","7","1") = "6"
    & skf21("4","4","1","1","5","4","1","1") = "4"
    & skf21("4","4","1","1","5","4","2","1") = "4"
    & skf21("4","4","1","1","5","4","3","1") = "4"
    & skf21("4","4","1","1","5","4","4","1") = "4"
    & skf21("4","4","1","1","5","4","5","1") = "4"
    & skf21("4","4","1","1","5","4","6","1") = "5"
    & skf21("4","4","1","1","5","4","7","1") = "6"
    & skf21("4","4","1","1","5","5","1","1") = "4"
    & skf21("4","4","1","1","5","5","2","1") = "4"
    & skf21("4","4","1","1","5","5","3","1") = "4"
    & skf21("4","4","1","1","5","5","4","1") = "4"
    & skf21("4","4","1","1","5","5","5","1") = "4"
    & skf21("4","4","1","1","5","5","6","1") = "5"
    & skf21("4","4","1","1","5","5","7","1") = "6"
    & skf21("4","4","1","1","5","6","1","1") = "5"
    & skf21("4","4","1","1","5","6","2","1") = "5"
    & skf21("4","4","1","1","5","6","3","1") = "5"
    & skf21("4","4","1","1","5","6","4","1") = "5"
    & skf21("4","4","1","1","5","6","5","1") = "5"
    & skf21("4","4","1","1","5","6","6","1") = "5"
    & skf21("4","4","1","1","5","6","7","1") = "6"
    & skf21("4","4","1","1","5","7","1","1") = "6"
    & skf21("4","4","1","1","5","7","2","1") = "6"
    & skf21("4","4","1","1","5","7","3","1") = "6"
    & skf21("4","4","1","1","5","7","4","1") = "6"
    & skf21("4","4","1","1","5","7","5","1") = "6"
    & skf21("4","4","1","1","5","7","6","1") = "6"
    & skf21("4","4","1","1","5","7","7","1") = "6"
    & skf21("4","4","1","1","6","1","1","1") = "5"
    & skf21("4","4","1","1","6","1","2","1") = "5"
    & skf21("4","4","1","1","6","1","3","1") = "5"
    & skf21("4","4","1","1","6","1","4","1") = "5"
    & skf21("4","4","1","1","6","1","5","1") = "5"
    & skf21("4","4","1","1","6","1","6","1") = "5"
    & skf21("4","4","1","1","6","1","7","1") = "6"
    & skf21("4","4","1","1","6","2","1","1") = "5"
    & skf21("4","4","1","1","6","2","2","1") = "5"
    & skf21("4","4","1","1","6","2","3","1") = "5"
    & skf21("4","4","1","1","6","2","4","1") = "5"
    & skf21("4","4","1","1","6","2","5","1") = "5"
    & skf21("4","4","1","1","6","2","6","1") = "5"
    & skf21("4","4","1","1","6","2","7","1") = "6"
    & skf21("4","4","1","1","6","3","1","1") = "5"
    & skf21("4","4","1","1","6","3","2","1") = "5"
    & skf21("4","4","1","1","6","3","3","1") = "5"
    & skf21("4","4","1","1","6","3","4","1") = "5"
    & skf21("4","4","1","1","6","3","5","1") = "5"
    & skf21("4","4","1","1","6","3","6","1") = "5"
    & skf21("4","4","1","1","6","3","7","1") = "6"
    & skf21("4","4","1","1","6","4","1","1") = "5"
    & skf21("4","4","1","1","6","4","2","1") = "5"
    & skf21("4","4","1","1","6","4","3","1") = "5"
    & skf21("4","4","1","1","6","4","4","1") = "5"
    & skf21("4","4","1","1","6","4","5","1") = "5"
    & skf21("4","4","1","1","6","4","6","1") = "5"
    & skf21("4","4","1","1","6","4","7","1") = "6"
    & skf21("4","4","1","1","6","5","1","1") = "5"
    & skf21("4","4","1","1","6","5","2","1") = "5"
    & skf21("4","4","1","1","6","5","3","1") = "5"
    & skf21("4","4","1","1","6","5","4","1") = "5"
    & skf21("4","4","1","1","6","5","5","1") = "5"
    & skf21("4","4","1","1","6","5","6","1") = "5"
    & skf21("4","4","1","1","6","5","7","1") = "6"
    & skf21("4","4","1","1","6","6","1","1") = "5"
    & skf21("4","4","1","1","6","6","2","1") = "5"
    & skf21("4","4","1","1","6","6","3","1") = "5"
    & skf21("4","4","1","1","6","6","4","1") = "5"
    & skf21("4","4","1","1","6","6","5","1") = "5"
    & skf21("4","4","1","1","6","6","6","1") = "5"
    & skf21("4","4","1","1","6","6","7","1") = "6"
    & skf21("4","4","1","1","6","7","1","1") = "6"
    & skf21("4","4","1","1","6","7","2","1") = "6"
    & skf21("4","4","1","1","6","7","3","1") = "6"
    & skf21("4","4","1","1","6","7","4","1") = "6"
    & skf21("4","4","1","1","6","7","5","1") = "6"
    & skf21("4","4","1","1","6","7","6","1") = "6"
    & skf21("4","4","1","1","6","7","7","1") = "6"
    & skf21("4","4","1","1","7","1","1","1") = "6"
    & skf21("4","4","1","1","7","1","2","1") = "6"
    & skf21("4","4","1","1","7","1","3","1") = "6"
    & skf21("4","4","1","1","7","1","4","1") = "6"
    & skf21("4","4","1","1","7","1","5","1") = "6"
    & skf21("4","4","1","1","7","1","6","1") = "6"
    & skf21("4","4","1","1","7","1","7","1") = "6"
    & skf21("4","4","1","1","7","2","1","1") = "6"
    & skf21("4","4","1","1","7","2","2","1") = "6"
    & skf21("4","4","1","1","7","2","3","1") = "6"
    & skf21("4","4","1","1","7","2","4","1") = "6"
    & skf21("4","4","1","1","7","2","5","1") = "6"
    & skf21("4","4","1","1","7","2","6","1") = "6"
    & skf21("4","4","1","1","7","2","7","1") = "6"
    & skf21("4","4","1","1","7","3","1","1") = "6"
    & skf21("4","4","1","1","7","3","2","1") = "6"
    & skf21("4","4","1","1","7","3","3","1") = "6"
    & skf21("4","4","1","1","7","3","4","1") = "6"
    & skf21("4","4","1","1","7","3","5","1") = "6"
    & skf21("4","4","1","1","7","3","6","1") = "6"
    & skf21("4","4","1","1","7","3","7","1") = "6"
    & skf21("4","4","1","1","7","4","1","1") = "6"
    & skf21("4","4","1","1","7","4","2","1") = "6"
    & skf21("4","4","1","1","7","4","3","1") = "6"
    & skf21("4","4","1","1","7","4","4","1") = "6"
    & skf21("4","4","1","1","7","4","5","1") = "6"
    & skf21("4","4","1","1","7","4","6","1") = "6"
    & skf21("4","4","1","1","7","4","7","1") = "6"
    & skf21("4","4","1","1","7","5","1","1") = "6"
    & skf21("4","4","1","1","7","5","2","1") = "6"
    & skf21("4","4","1","1","7","5","3","1") = "6"
    & skf21("4","4","1","1","7","5","4","1") = "6"
    & skf21("4","4","1","1","7","5","5","1") = "6"
    & skf21("4","4","1","1","7","5","6","1") = "6"
    & skf21("4","4","1","1","7","5","7","1") = "6"
    & skf21("4","4","1","1","7","6","1","1") = "6"
    & skf21("4","4","1","1","7","6","2","1") = "6"
    & skf21("4","4","1","1","7","6","3","1") = "6"
    & skf21("4","4","1","1","7","6","4","1") = "6"
    & skf21("4","4","1","1","7","6","5","1") = "6"
    & skf21("4","4","1","1","7","6","6","1") = "6"
    & skf21("4","4","1","1","7","6","7","1") = "6"
    & skf21("4","4","1","1","7","7","1","1") = "6"
    & skf21("4","4","1","1","7","7","2","1") = "6"
    & skf21("4","4","1","1","7","7","3","1") = "6"
    & skf21("4","4","1","1","7","7","4","1") = "6"
    & skf21("4","4","1","1","7","7","5","1") = "6"
    & skf21("4","4","1","1","7","7","6","1") = "6"
    & skf21("4","4","1","1","7","7","7","1") = "6"
    & skf21("4","4","1","2","1","1","1","1") = "3"
    & skf21("4","4","1","2","1","1","2","1") = "3"
    & skf21("4","4","1","2","1","1","3","1") = "3"
    & skf21("4","4","1","2","1","1","4","1") = "3"
    & skf21("4","4","1","2","1","1","5","1") = "4"
    & skf21("4","4","1","2","1","1","6","1") = "5"
    & skf21("4","4","1","2","1","1","7","1") = "6"
    & skf21("4","4","1","2","1","2","1","1") = "3"
    & skf21("4","4","1","2","1","2","2","1") = "3"
    & skf21("4","4","1","2","1","2","3","1") = "3"
    & skf21("4","4","1","2","1","2","4","1") = "3"
    & skf21("4","4","1","2","1","2","5","1") = "4"
    & skf21("4","4","1","2","1","2","6","1") = "5"
    & skf21("4","4","1","2","1","2","7","1") = "6"
    & skf21("4","4","1","2","1","3","1","1") = "3"
    & skf21("4","4","1","2","1","3","2","1") = "3"
    & skf21("4","4","1","2","1","3","3","1") = "3"
    & skf21("4","4","1","2","1","3","4","1") = "3"
    & skf21("4","4","1","2","1","3","5","1") = "4"
    & skf21("4","4","1","2","1","3","6","1") = "5"
    & skf21("4","4","1","2","1","3","7","1") = "6"
    & skf21("4","4","1","2","1","4","1","1") = "3"
    & skf21("4","4","1","2","1","4","2","1") = "3"
    & skf21("4","4","1","2","1","4","3","1") = "3"
    & skf21("4","4","1","2","1","4","4","1") = "3"
    & skf21("4","4","1","2","1","4","5","1") = "4"
    & skf21("4","4","1","2","1","4","6","1") = "5"
    & skf21("4","4","1","2","1","4","7","1") = "6"
    & skf21("4","4","1","2","1","5","1","1") = "4"
    & skf21("4","4","1","2","1","5","2","1") = "4"
    & skf21("4","4","1","2","1","5","3","1") = "4"
    & skf21("4","4","1","2","1","5","4","1") = "4"
    & skf21("4","4","1","2","1","5","5","1") = "4"
    & skf21("4","4","1","2","1","5","6","1") = "5"
    & skf21("4","4","1","2","1","5","7","1") = "6"
    & skf21("4","4","1","2","1","6","1","1") = "5"
    & skf21("4","4","1","2","1","6","2","1") = "5"
    & skf21("4","4","1","2","1","6","3","1") = "5"
    & skf21("4","4","1","2","1","6","4","1") = "5"
    & skf21("4","4","1","2","1","6","5","1") = "5"
    & skf21("4","4","1","2","1","6","6","1") = "5"
    & skf21("4","4","1","2","1","6","7","1") = "6"
    & skf21("4","4","1","2","1","7","1","1") = "6"
    & skf21("4","4","1","2","1","7","2","1") = "6"
    & skf21("4","4","1","2","1","7","3","1") = "6"
    & skf21("4","4","1","2","1","7","4","1") = "6"
    & skf21("4","4","1","2","1","7","5","1") = "6"
    & skf21("4","4","1","2","1","7","6","1") = "6"
    & skf21("4","4","1","2","1","7","7","1") = "6"
    & skf21("4","4","1","2","2","1","1","1") = "3"
    & skf21("4","4","1","2","2","1","2","1") = "3"
    & skf21("4","4","1","2","2","1","3","1") = "3"
    & skf21("4","4","1","2","2","1","4","1") = "3"
    & skf21("4","4","1","2","2","1","5","1") = "4"
    & skf21("4","4","1","2","2","1","6","1") = "5"
    & skf21("4","4","1","2","2","1","7","1") = "6"
    & skf21("4","4","1","2","2","2","1","1") = "3"
    & skf21("4","4","1","2","2","2","2","1") = "3"
    & skf21("4","4","1","2","2","2","3","1") = "3"
    & skf21("4","4","1","2","2","2","4","1") = "3"
    & skf21("4","4","1","2","2","2","5","1") = "4"
    & skf21("4","4","1","2","2","2","6","1") = "5"
    & skf21("4","4","1","2","2","2","7","1") = "6"
    & skf21("4","4","1","2","2","3","1","1") = "3"
    & skf21("4","4","1","2","2","3","2","1") = "3"
    & skf21("4","4","1","2","2","3","3","1") = "3"
    & skf21("4","4","1","2","2","3","4","1") = "3"
    & skf21("4","4","1","2","2","3","5","1") = "4"
    & skf21("4","4","1","2","2","3","6","1") = "5"
    & skf21("4","4","1","2","2","3","7","1") = "6"
    & skf21("4","4","1","2","2","4","1","1") = "3"
    & skf21("4","4","1","2","2","4","2","1") = "3"
    & skf21("4","4","1","2","2","4","3","1") = "3"
    & skf21("4","4","1","2","2","4","4","1") = "3"
    & skf21("4","4","1","2","2","4","5","1") = "4"
    & skf21("4","4","1","2","2","4","6","1") = "5"
    & skf21("4","4","1","2","2","4","7","1") = "6"
    & skf21("4","4","1","2","2","5","1","1") = "4"
    & skf21("4","4","1","2","2","5","2","1") = "4"
    & skf21("4","4","1","2","2","5","3","1") = "4"
    & skf21("4","4","1","2","2","5","4","1") = "4"
    & skf21("4","4","1","2","2","5","5","1") = "4"
    & skf21("4","4","1","2","2","5","6","1") = "5"
    & skf21("4","4","1","2","2","5","7","1") = "6"
    & skf21("4","4","1","2","2","6","1","1") = "5"
    & skf21("4","4","1","2","2","6","2","1") = "5"
    & skf21("4","4","1","2","2","6","3","1") = "5"
    & skf21("4","4","1","2","2","6","4","1") = "5"
    & skf21("4","4","1","2","2","6","5","1") = "5"
    & skf21("4","4","1","2","2","6","6","1") = "5"
    & skf21("4","4","1","2","2","6","7","1") = "6"
    & skf21("4","4","1","2","2","7","1","1") = "6"
    & skf21("4","4","1","2","2","7","2","1") = "6"
    & skf21("4","4","1","2","2","7","3","1") = "6"
    & skf21("4","4","1","2","2","7","4","1") = "6"
    & skf21("4","4","1","2","2","7","5","1") = "6"
    & skf21("4","4","1","2","2","7","6","1") = "6"
    & skf21("4","4","1","2","2","7","7","1") = "6"
    & skf21("4","4","1","2","3","1","1","1") = "3"
    & skf21("4","4","1","2","3","1","2","1") = "3"
    & skf21("4","4","1","2","3","1","3","1") = "3"
    & skf21("4","4","1","2","3","1","4","1") = "3"
    & skf21("4","4","1","2","3","1","5","1") = "4"
    & skf21("4","4","1","2","3","1","6","1") = "5"
    & skf21("4","4","1","2","3","1","7","1") = "6"
    & skf21("4","4","1","2","3","2","1","1") = "3"
    & skf21("4","4","1","2","3","2","2","1") = "3"
    & skf21("4","4","1","2","3","2","3","1") = "3"
    & skf21("4","4","1","2","3","2","4","1") = "3"
    & skf21("4","4","1","2","3","2","5","1") = "4"
    & skf21("4","4","1","2","3","2","6","1") = "5"
    & skf21("4","4","1","2","3","2","7","1") = "6"
    & skf21("4","4","1","2","3","3","1","1") = "3"
    & skf21("4","4","1","2","3","3","2","1") = "3"
    & skf21("4","4","1","2","3","3","3","1") = "3"
    & skf21("4","4","1","2","3","3","4","1") = "3"
    & skf21("4","4","1","2","3","3","5","1") = "4"
    & skf21("4","4","1","2","3","3","6","1") = "5"
    & skf21("4","4","1","2","3","3","7","1") = "6"
    & skf21("4","4","1","2","3","4","1","1") = "3"
    & skf21("4","4","1","2","3","4","2","1") = "3"
    & skf21("4","4","1","2","3","4","3","1") = "3"
    & skf21("4","4","1","2","3","4","4","1") = "3"
    & skf21("4","4","1","2","3","4","5","1") = "4"
    & skf21("4","4","1","2","3","4","6","1") = "5"
    & skf21("4","4","1","2","3","4","7","1") = "6"
    & skf21("4","4","1","2","3","5","1","1") = "4"
    & skf21("4","4","1","2","3","5","2","1") = "4"
    & skf21("4","4","1","2","3","5","3","1") = "4"
    & skf21("4","4","1","2","3","5","4","1") = "4"
    & skf21("4","4","1","2","3","5","5","1") = "4"
    & skf21("4","4","1","2","3","5","6","1") = "5"
    & skf21("4","4","1","2","3","5","7","1") = "6"
    & skf21("4","4","1","2","3","6","1","1") = "5"
    & skf21("4","4","1","2","3","6","2","1") = "5"
    & skf21("4","4","1","2","3","6","3","1") = "5"
    & skf21("4","4","1","2","3","6","4","1") = "5"
    & skf21("4","4","1","2","3","6","5","1") = "5"
    & skf21("4","4","1","2","3","6","6","1") = "5"
    & skf21("4","4","1","2","3","6","7","1") = "6"
    & skf21("4","4","1","2","3","7","1","1") = "6"
    & skf21("4","4","1","2","3","7","2","1") = "6"
    & skf21("4","4","1","2","3","7","3","1") = "6"
    & skf21("4","4","1","2","3","7","4","1") = "6"
    & skf21("4","4","1","2","3","7","5","1") = "6"
    & skf21("4","4","1","2","3","7","6","1") = "6"
    & skf21("4","4","1","2","3","7","7","1") = "6"
    & skf21("4","4","1","2","4","1","1","1") = "3"
    & skf21("4","4","1","2","4","1","2","1") = "3"
    & skf21("4","4","1","2","4","1","3","1") = "3"
    & skf21("4","4","1","2","4","1","4","1") = "3"
    & skf21("4","4","1","2","4","1","5","1") = "4"
    & skf21("4","4","1","2","4","1","6","1") = "5"
    & skf21("4","4","1","2","4","1","7","1") = "6"
    & skf21("4","4","1","2","4","2","1","1") = "3"
    & skf21("4","4","1","2","4","2","2","1") = "3"
    & skf21("4","4","1","2","4","2","3","1") = "3"
    & skf21("4","4","1","2","4","2","4","1") = "3"
    & skf21("4","4","1","2","4","2","5","1") = "4"
    & skf21("4","4","1","2","4","2","6","1") = "5"
    & skf21("4","4","1","2","4","2","7","1") = "6"
    & skf21("4","4","1","2","4","3","1","1") = "3"
    & skf21("4","4","1","2","4","3","2","1") = "2"
    & skf21("4","4","1","2","4","3","3","1") = "3"
    & skf21("4","4","1","2","4","3","4","1") = "3"
    & skf21("4","4","1","2","4","3","5","1") = "4"
    & skf21("4","4","1","2","4","3","6","1") = "5"
    & skf21("4","4","1","2","4","3","7","1") = "6"
    & skf21("4","4","1","2","4","4","1","1") = "3"
    & skf21("4","4","1","2","4","4","2","1") = "3"
    & skf21("4","4","1","2","4","4","3","1") = "3"
    & skf21("4","4","1","2","4","4","4","1") = "3"
    & skf21("4","4","1","2","4","4","5","1") = "4"
    & skf21("4","4","1","2","4","4","6","1") = "5"
    & skf21("4","4","1","2","4","4","7","1") = "6"
    & skf21("4","4","1","2","4","5","1","1") = "4"
    & skf21("4","4","1","2","4","5","2","1") = "4"
    & skf21("4","4","1","2","4","5","3","1") = "4"
    & skf21("4","4","1","2","4","5","4","1") = "4"
    & skf21("4","4","1","2","4","5","5","1") = "4"
    & skf21("4","4","1","2","4","5","6","1") = "5"
    & skf21("4","4","1","2","4","5","7","1") = "6"
    & skf21("4","4","1","2","4","6","1","1") = "5"
    & skf21("4","4","1","2","4","6","2","1") = "5"
    & skf21("4","4","1","2","4","6","3","1") = "5"
    & skf21("4","4","1","2","4","6","4","1") = "5"
    & skf21("4","4","1","2","4","6","5","1") = "5"
    & skf21("4","4","1","2","4","6","6","1") = "5"
    & skf21("4","4","1","2","4","6","7","1") = "6"
    & skf21("4","4","1","2","4","7","1","1") = "6"
    & skf21("4","4","1","2","4","7","2","1") = "6"
    & skf21("4","4","1","2","4","7","3","1") = "6"
    & skf21("4","4","1","2","4","7","4","1") = "6"
    & skf21("4","4","1","2","4","7","5","1") = "6"
    & skf21("4","4","1","2","4","7","6","1") = "6"
    & skf21("4","4","1","2","4","7","7","1") = "6"
    & skf21("4","4","1","2","5","1","1","1") = "4"
    & skf21("4","4","1","2","5","1","2","1") = "4"
    & skf21("4","4","1","2","5","1","3","1") = "4"
    & skf21("4","4","1","2","5","1","4","1") = "4"
    & skf21("4","4","1","2","5","1","5","1") = "4"
    & skf21("4","4","1","2","5","1","6","1") = "5"
    & skf21("4","4","1","2","5","1","7","1") = "6"
    & skf21("4","4","1","2","5","2","1","1") = "4"
    & skf21("4","4","1","2","5","2","2","1") = "4"
    & skf21("4","4","1","2","5","2","3","1") = "4"
    & skf21("4","4","1","2","5","2","4","1") = "4"
    & skf21("4","4","1","2","5","2","5","1") = "4"
    & skf21("4","4","1","2","5","2","6","1") = "5"
    & skf21("4","4","1","2","5","2","7","1") = "6"
    & skf21("4","4","1","2","5","3","1","1") = "4"
    & skf21("4","4","1","2","5","3","2","1") = "4"
    & skf21("4","4","1","2","5","3","3","1") = "4"
    & skf21("4","4","1","2","5","3","4","1") = "4"
    & skf21("4","4","1","2","5","3","5","1") = "4"
    & skf21("4","4","1","2","5","3","6","1") = "5"
    & skf21("4","4","1","2","5","3","7","1") = "6"
    & skf21("4","4","1","2","5","4","1","1") = "4"
    & skf21("4","4","1","2","5","4","2","1") = "4"
    & skf21("4","4","1","2","5","4","3","1") = "4"
    & skf21("4","4","1","2","5","4","4","1") = "4"
    & skf21("4","4","1","2","5","4","5","1") = "4"
    & skf21("4","4","1","2","5","4","6","1") = "5"
    & skf21("4","4","1","2","5","4","7","1") = "6"
    & skf21("4","4","1","2","5","5","1","1") = "4"
    & skf21("4","4","1","2","5","5","2","1") = "4"
    & skf21("4","4","1","2","5","5","3","1") = "4"
    & skf21("4","4","1","2","5","5","4","1") = "4"
    & skf21("4","4","1","2","5","5","5","1") = "4"
    & skf21("4","4","1","2","5","5","6","1") = "5"
    & skf21("4","4","1","2","5","5","7","1") = "6"
    & skf21("4","4","1","2","5","6","1","1") = "5"
    & skf21("4","4","1","2","5","6","2","1") = "5"
    & skf21("4","4","1","2","5","6","3","1") = "5"
    & skf21("4","4","1","2","5","6","4","1") = "5"
    & skf21("4","4","1","2","5","6","5","1") = "5"
    & skf21("4","4","1","2","5","6","6","1") = "5"
    & skf21("4","4","1","2","5","6","7","1") = "6"
    & skf21("4","4","1","2","5","7","1","1") = "6"
    & skf21("4","4","1","2","5","7","2","1") = "6"
    & skf21("4","4","1","2","5","7","3","1") = "6"
    & skf21("4","4","1","2","5","7","4","1") = "6"
    & skf21("4","4","1","2","5","7","5","1") = "6"
    & skf21("4","4","1","2","5","7","6","1") = "6"
    & skf21("4","4","1","2","5","7","7","1") = "6"
    & skf21("4","4","1","2","6","1","1","1") = "5"
    & skf21("4","4","1","2","6","1","2","1") = "5"
    & skf21("4","4","1","2","6","1","3","1") = "5"
    & skf21("4","4","1","2","6","1","4","1") = "5"
    & skf21("4","4","1","2","6","1","5","1") = "5"
    & skf21("4","4","1","2","6","1","6","1") = "5"
    & skf21("4","4","1","2","6","1","7","1") = "6"
    & skf21("4","4","1","2","6","2","1","1") = "5"
    & skf21("4","4","1","2","6","2","2","1") = "5"
    & skf21("4","4","1","2","6","2","3","1") = "5"
    & skf21("4","4","1","2","6","2","4","1") = "5"
    & skf21("4","4","1","2","6","2","5","1") = "5"
    & skf21("4","4","1","2","6","2","6","1") = "5"
    & skf21("4","4","1","2","6","2","7","1") = "6"
    & skf21("4","4","1","2","6","3","1","1") = "5"
    & skf21("4","4","1","2","6","3","2","1") = "5"
    & skf21("4","4","1","2","6","3","3","1") = "5"
    & skf21("4","4","1","2","6","3","4","1") = "5"
    & skf21("4","4","1","2","6","3","5","1") = "5"
    & skf21("4","4","1","2","6","3","6","1") = "5"
    & skf21("4","4","1","2","6","3","7","1") = "6"
    & skf21("4","4","1","2","6","4","1","1") = "5"
    & skf21("4","4","1","2","6","4","2","1") = "5"
    & skf21("4","4","1","2","6","4","3","1") = "5"
    & skf21("4","4","1","2","6","4","4","1") = "5"
    & skf21("4","4","1","2","6","4","5","1") = "5"
    & skf21("4","4","1","2","6","4","6","1") = "5"
    & skf21("4","4","1","2","6","4","7","1") = "6"
    & skf21("4","4","1","2","6","5","1","1") = "5"
    & skf21("4","4","1","2","6","5","2","1") = "5"
    & skf21("4","4","1","2","6","5","3","1") = "5"
    & skf21("4","4","1","2","6","5","4","1") = "5"
    & skf21("4","4","1","2","6","5","5","1") = "5"
    & skf21("4","4","1","2","6","5","6","1") = "5"
    & skf21("4","4","1","2","6","5","7","1") = "6"
    & skf21("4","4","1","2","6","6","1","1") = "5"
    & skf21("4","4","1","2","6","6","2","1") = "5"
    & skf21("4","4","1","2","6","6","3","1") = "5"
    & skf21("4","4","1","2","6","6","4","1") = "5"
    & skf21("4","4","1","2","6","6","5","1") = "5"
    & skf21("4","4","1","2","6","6","6","1") = "5"
    & skf21("4","4","1","2","6","6","7","1") = "6"
    & skf21("4","4","1","2","6","7","1","1") = "6"
    & skf21("4","4","1","2","6","7","2","1") = "6"
    & skf21("4","4","1","2","6","7","3","1") = "6"
    & skf21("4","4","1","2","6","7","4","1") = "6"
    & skf21("4","4","1","2","6","7","5","1") = "6"
    & skf21("4","4","1","2","6","7","6","1") = "6"
    & skf21("4","4","1","2","6","7","7","1") = "6"
    & skf21("4","4","1","2","7","1","1","1") = "6"
    & skf21("4","4","1","2","7","1","2","1") = "6"
    & skf21("4","4","1","2","7","1","3","1") = "6"
    & skf21("4","4","1","2","7","1","4","1") = "6"
    & skf21("4","4","1","2","7","1","5","1") = "6"
    & skf21("4","4","1","2","7","1","6","1") = "6"
    & skf21("4","4","1","2","7","1","7","1") = "6"
    & skf21("4","4","1","2","7","2","1","1") = "6"
    & skf21("4","4","1","2","7","2","2","1") = "6"
    & skf21("4","4","1","2","7","2","3","1") = "6"
    & skf21("4","4","1","2","7","2","4","1") = "6"
    & skf21("4","4","1","2","7","2","5","1") = "6"
    & skf21("4","4","1","2","7","2","6","1") = "6"
    & skf21("4","4","1","2","7","2","7","1") = "6"
    & skf21("4","4","1","2","7","3","1","1") = "6"
    & skf21("4","4","1","2","7","3","2","1") = "6"
    & skf21("4","4","1","2","7","3","3","1") = "6"
    & skf21("4","4","1","2","7","3","4","1") = "6"
    & skf21("4","4","1","2","7","3","5","1") = "6"
    & skf21("4","4","1","2","7","3","6","1") = "6"
    & skf21("4","4","1","2","7","3","7","1") = "6"
    & skf21("4","4","1","2","7","4","1","1") = "6"
    & skf21("4","4","1","2","7","4","2","1") = "6"
    & skf21("4","4","1","2","7","4","3","1") = "6"
    & skf21("4","4","1","2","7","4","4","1") = "6"
    & skf21("4","4","1","2","7","4","5","1") = "6"
    & skf21("4","4","1","2","7","4","6","1") = "6"
    & skf21("4","4","1","2","7","4","7","1") = "6"
    & skf21("4","4","1","2","7","5","1","1") = "6"
    & skf21("4","4","1","2","7","5","2","1") = "6"
    & skf21("4","4","1","2","7","5","3","1") = "6"
    & skf21("4","4","1","2","7","5","4","1") = "6"
    & skf21("4","4","1","2","7","5","5","1") = "6"
    & skf21("4","4","1","2","7","5","6","1") = "6"
    & skf21("4","4","1","2","7","5","7","1") = "6"
    & skf21("4","4","1","2","7","6","1","1") = "6"
    & skf21("4","4","1","2","7","6","2","1") = "6"
    & skf21("4","4","1","2","7","6","3","1") = "6"
    & skf21("4","4","1","2","7","6","4","1") = "6"
    & skf21("4","4","1","2","7","6","5","1") = "6"
    & skf21("4","4","1","2","7","6","6","1") = "6"
    & skf21("4","4","1","2","7","6","7","1") = "6"
    & skf21("4","4","1","2","7","7","1","1") = "6"
    & skf21("4","4","1","2","7","7","2","1") = "6"
    & skf21("4","4","1","2","7","7","3","1") = "6"
    & skf21("4","4","1","2","7","7","4","1") = "6"
    & skf21("4","4","1","2","7","7","5","1") = "6"
    & skf21("4","4","1","2","7","7","6","1") = "6"
    & skf21("4","4","1","2","7","7","7","1") = "6"
    & skf21("4","4","1","3","1","1","1","1") = "3"
    & skf21("4","4","1","3","1","1","2","1") = "3"
    & skf21("4","4","1","3","1","1","3","1") = "3"
    & skf21("4","4","1","3","1","1","4","1") = "3"
    & skf21("4","4","1","3","1","1","5","1") = "4"
    & skf21("4","4","1","3","1","1","6","1") = "5"
    & skf21("4","4","1","3","1","1","7","1") = "6"
    & skf21("4","4","1","3","1","2","1","1") = "3"
    & skf21("4","4","1","3","1","2","2","1") = "3"
    & skf21("4","4","1","3","1","2","3","1") = "3"
    & skf21("4","4","1","3","1","2","4","1") = "3"
    & skf21("4","4","1","3","1","2","5","1") = "4"
    & skf21("4","4","1","3","1","2","6","1") = "5"
    & skf21("4","4","1","3","1","2","7","1") = "6"
    & skf21("4","4","1","3","1","3","1","1") = "3"
    & skf21("4","4","1","3","1","3","2","1") = "3"
    & skf21("4","4","1","3","1","3","3","1") = "3"
    & skf21("4","4","1","3","1","3","4","1") = "3"
    & skf21("4","4","1","3","1","3","5","1") = "4"
    & skf21("4","4","1","3","1","3","6","1") = "5"
    & skf21("4","4","1","3","1","3","7","1") = "6"
    & skf21("4","4","1","3","1","4","1","1") = "3"
    & skf21("4","4","1","3","1","4","2","1") = "3"
    & skf21("4","4","1","3","1","4","3","1") = "3"
    & skf21("4","4","1","3","1","4","4","1") = "3"
    & skf21("4","4","1","3","1","4","5","1") = "4"
    & skf21("4","4","1","3","1","4","6","1") = "5"
    & skf21("4","4","1","3","1","4","7","1") = "6"
    & skf21("4","4","1","3","1","5","1","1") = "4"
    & skf21("4","4","1","3","1","5","2","1") = "4"
    & skf21("4","4","1","3","1","5","3","1") = "4"
    & skf21("4","4","1","3","1","5","4","1") = "4"
    & skf21("4","4","1","3","1","5","5","1") = "4"
    & skf21("4","4","1","3","1","5","6","1") = "5"
    & skf21("4","4","1","3","1","5","7","1") = "6"
    & skf21("4","4","1","3","1","6","1","1") = "5"
    & skf21("4","4","1","3","1","6","2","1") = "5"
    & skf21("4","4","1","3","1","6","3","1") = "5"
    & skf21("4","4","1","3","1","6","4","1") = "5"
    & skf21("4","4","1","3","1","6","5","1") = "5"
    & skf21("4","4","1","3","1","6","6","1") = "5"
    & skf21("4","4","1","3","1","6","7","1") = "6"
    & skf21("4","4","1","3","1","7","1","1") = "6"
    & skf21("4","4","1","3","1","7","2","1") = "6"
    & skf21("4","4","1","3","1","7","3","1") = "6"
    & skf21("4","4","1","3","1","7","4","1") = "6"
    & skf21("4","4","1","3","1","7","5","1") = "6"
    & skf21("4","4","1","3","1","7","6","1") = "6"
    & skf21("4","4","1","3","1","7","7","1") = "6"
    & skf21("4","4","1","3","2","1","1","1") = "3"
    & skf21("4","4","1","3","2","1","2","1") = "3"
    & skf21("4","4","1","3","2","1","3","1") = "3"
    & skf21("4","4","1","3","2","1","4","1") = "3"
    & skf21("4","4","1","3","2","1","5","1") = "4"
    & skf21("4","4","1","3","2","1","6","1") = "5"
    & skf21("4","4","1","3","2","1","7","1") = "6"
    & skf21("4","4","1","3","2","2","1","1") = "3"
    & skf21("4","4","1","3","2","2","2","1") = "3"
    & skf21("4","4","1","3","2","2","3","1") = "3"
    & skf21("4","4","1","3","2","2","4","1") = "3"
    & skf21("4","4","1","3","2","2","5","1") = "4"
    & skf21("4","4","1","3","2","2","6","1") = "5"
    & skf21("4","4","1","3","2","2","7","1") = "6"
    & skf21("4","4","1","3","2","3","1","1") = "3"
    & skf21("4","4","1","3","2","3","2","1") = "3"
    & skf21("4","4","1","3","2","3","3","1") = "3"
    & skf21("4","4","1","3","2","3","4","1") = "3"
    & skf21("4","4","1","3","2","3","5","1") = "4"
    & skf21("4","4","1","3","2","3","6","1") = "5"
    & skf21("4","4","1","3","2","3","7","1") = "6"
    & skf21("4","4","1","3","2","4","1","1") = "3"
    & skf21("4","4","1","3","2","4","2","1") = "3"
    & skf21("4","4","1","3","2","4","3","1") = "3"
    & skf21("4","4","1","3","2","4","4","1") = "3"
    & skf21("4","4","1","3","2","4","5","1") = "4"
    & skf21("4","4","1","3","2","4","6","1") = "5"
    & skf21("4","4","1","3","2","4","7","1") = "6"
    & skf21("4","4","1","3","2","5","1","1") = "4"
    & skf21("4","4","1","3","2","5","2","1") = "4"
    & skf21("4","4","1","3","2","5","3","1") = "4"
    & skf21("4","4","1","3","2","5","4","1") = "4"
    & skf21("4","4","1","3","2","5","5","1") = "4"
    & skf21("4","4","1","3","2","5","6","1") = "5"
    & skf21("4","4","1","3","2","5","7","1") = "6"
    & skf21("4","4","1","3","2","6","1","1") = "5"
    & skf21("4","4","1","3","2","6","2","1") = "5"
    & skf21("4","4","1","3","2","6","3","1") = "5"
    & skf21("4","4","1","3","2","6","4","1") = "5"
    & skf21("4","4","1","3","2","6","5","1") = "5"
    & skf21("4","4","1","3","2","6","6","1") = "5"
    & skf21("4","4","1","3","2","6","7","1") = "6"
    & skf21("4","4","1","3","2","7","1","1") = "6"
    & skf21("4","4","1","3","2","7","2","1") = "6"
    & skf21("4","4","1","3","2","7","3","1") = "6"
    & skf21("4","4","1","3","2","7","4","1") = "6"
    & skf21("4","4","1","3","2","7","5","1") = "6"
    & skf21("4","4","1","3","2","7","6","1") = "6"
    & skf21("4","4","1","3","2","7","7","1") = "6"
    & skf21("4","4","1","3","3","1","1","1") = "3"
    & skf21("4","4","1","3","3","1","2","1") = "3"
    & skf21("4","4","1","3","3","1","3","1") = "3"
    & skf21("4","4","1","3","3","1","4","1") = "3"
    & skf21("4","4","1","3","3","1","5","1") = "4"
    & skf21("4","4","1","3","3","1","6","1") = "5"
    & skf21("4","4","1","3","3","1","7","1") = "6"
    & skf21("4","4","1","3","3","2","1","1") = "3"
    & skf21("4","4","1","3","3","2","2","1") = "3"
    & skf21("4","4","1","3","3","2","3","1") = "3"
    & skf21("4","4","1","3","3","2","4","1") = "3"
    & skf21("4","4","1","3","3","2","5","1") = "4"
    & skf21("4","4","1","3","3","2","6","1") = "5"
    & skf21("4","4","1","3","3","2","7","1") = "6"
    & skf21("4","4","1","3","3","3","1","1") = "3"
    & skf21("4","4","1","3","3","3","2","1") = "3"
    & skf21("4","4","1","3","3","3","3","1") = "3"
    & skf21("4","4","1","3","3","3","4","1") = "3"
    & skf21("4","4","1","3","3","3","5","1") = "4"
    & skf21("4","4","1","3","3","3","6","1") = "5"
    & skf21("4","4","1","3","3","3","7","1") = "6"
    & skf21("4","4","1","3","3","4","1","1") = "3"
    & skf21("4","4","1","3","3","4","2","1") = "3"
    & skf21("4","4","1","3","3","4","3","1") = "3"
    & skf21("4","4","1","3","3","4","4","1") = "3"
    & skf21("4","4","1","3","3","4","5","1") = "4"
    & skf21("4","4","1","3","3","4","6","1") = "5"
    & skf21("4","4","1","3","3","4","7","1") = "6"
    & skf21("4","4","1","3","3","5","1","1") = "4"
    & skf21("4","4","1","3","3","5","2","1") = "4"
    & skf21("4","4","1","3","3","5","3","1") = "4"
    & skf21("4","4","1","3","3","5","4","1") = "4"
    & skf21("4","4","1","3","3","5","5","1") = "4"
    & skf21("4","4","1","3","3","5","6","1") = "5"
    & skf21("4","4","1","3","3","5","7","1") = "6"
    & skf21("4","4","1","3","3","6","1","1") = "5"
    & skf21("4","4","1","3","3","6","2","1") = "5"
    & skf21("4","4","1","3","3","6","3","1") = "5"
    & skf21("4","4","1","3","3","6","4","1") = "5"
    & skf21("4","4","1","3","3","6","5","1") = "5"
    & skf21("4","4","1","3","3","6","6","1") = "5"
    & skf21("4","4","1","3","3","6","7","1") = "6"
    & skf21("4","4","1","3","3","7","1","1") = "6"
    & skf21("4","4","1","3","3","7","2","1") = "6"
    & skf21("4","4","1","3","3","7","3","1") = "6"
    & skf21("4","4","1","3","3","7","4","1") = "6"
    & skf21("4","4","1","3","3","7","5","1") = "6"
    & skf21("4","4","1","3","3","7","6","1") = "6"
    & skf21("4","4","1","3","3","7","7","1") = "6"
    & skf21("4","4","1","3","4","1","1","1") = "3"
    & skf21("4","4","1","3","4","1","2","1") = "3"
    & skf21("4","4","1","3","4","1","3","1") = "3"
    & skf21("4","4","1","3","4","1","4","1") = "3"
    & skf21("4","4","1","3","4","1","5","1") = "4"
    & skf21("4","4","1","3","4","1","6","1") = "5"
    & skf21("4","4","1","3","4","1","7","1") = "6"
    & skf21("4","4","1","3","4","2","1","1") = "3"
    & skf21("4","4","1","3","4","2","2","1") = "3"
    & skf21("4","4","1","3","4","2","3","1") = "3"
    & skf21("4","4","1","3","4","2","4","1") = "3"
    & skf21("4","4","1","3","4","2","5","1") = "4"
    & skf21("4","4","1","3","4","2","6","1") = "5"
    & skf21("4","4","1","3","4","2","7","1") = "6"
    & skf21("4","4","1","3","4","3","1","1") = "3"
    & skf21("4","4","1","3","4","3","2","1") = "3"
    & skf21("4","4","1","3","4","3","3","1") = "3"
    & skf21("4","4","1","3","4","3","4","1") = "3"
    & skf21("4","4","1","3","4","3","5","1") = "4"
    & skf21("4","4","1","3","4","3","6","1") = "5"
    & skf21("4","4","1","3","4","3","7","1") = "6"
    & skf21("4","4","1","3","4","4","1","1") = "3"
    & skf21("4","4","1","3","4","4","2","1") = "3"
    & skf21("4","4","1","3","4","4","3","1") = "3"
    & skf21("4","4","1","3","4","4","4","1") = "3"
    & skf21("4","4","1","3","4","4","5","1") = "4"
    & skf21("4","4","1","3","4","4","6","1") = "5"
    & skf21("4","4","1","3","4","4","7","1") = "6"
    & skf21("4","4","1","3","4","5","1","1") = "4"
    & skf21("4","4","1","3","4","5","2","1") = "4"
    & skf21("4","4","1","3","4","5","3","1") = "4"
    & skf21("4","4","1","3","4","5","4","1") = "4"
    & skf21("4","4","1","3","4","5","5","1") = "4"
    & skf21("4","4","1","3","4","5","6","1") = "5"
    & skf21("4","4","1","3","4","5","7","1") = "6"
    & skf21("4","4","1","3","4","6","1","1") = "5"
    & skf21("4","4","1","3","4","6","2","1") = "5"
    & skf21("4","4","1","3","4","6","3","1") = "5"
    & skf21("4","4","1","3","4","6","4","1") = "5"
    & skf21("4","4","1","3","4","6","5","1") = "5"
    & skf21("4","4","1","3","4","6","6","1") = "5"
    & skf21("4","4","1","3","4","6","7","1") = "6"
    & skf21("4","4","1","3","4","7","1","1") = "6"
    & skf21("4","4","1","3","4","7","2","1") = "6"
    & skf21("4","4","1","3","4","7","3","1") = "6"
    & skf21("4","4","1","3","4","7","4","1") = "6"
    & skf21("4","4","1","3","4","7","5","1") = "6"
    & skf21("4","4","1","3","4","7","6","1") = "6"
    & skf21("4","4","1","3","4","7","7","1") = "6"
    & skf21("4","4","1","3","5","1","1","1") = "4"
    & skf21("4","4","1","3","5","1","2","1") = "4"
    & skf21("4","4","1","3","5","1","3","1") = "4"
    & skf21("4","4","1","3","5","1","4","1") = "4"
    & skf21("4","4","1","3","5","1","5","1") = "4"
    & skf21("4","4","1","3","5","1","6","1") = "5"
    & skf21("4","4","1","3","5","1","7","1") = "6"
    & skf21("4","4","1","3","5","2","1","1") = "4"
    & skf21("4","4","1","3","5","2","2","1") = "4"
    & skf21("4","4","1","3","5","2","3","1") = "4"
    & skf21("4","4","1","3","5","2","4","1") = "4"
    & skf21("4","4","1","3","5","2","5","1") = "4"
    & skf21("4","4","1","3","5","2","6","1") = "5"
    & skf21("4","4","1","3","5","2","7","1") = "6"
    & skf21("4","4","1","3","5","3","1","1") = "4"
    & skf21("4","4","1","3","5","3","2","1") = "4"
    & skf21("4","4","1","3","5","3","3","1") = "4"
    & skf21("4","4","1","3","5","3","4","1") = "4"
    & skf21("4","4","1","3","5","3","5","1") = "4"
    & skf21("4","4","1","3","5","3","6","1") = "5"
    & skf21("4","4","1","3","5","3","7","1") = "6"
    & skf21("4","4","1","3","5","4","1","1") = "4"
    & skf21("4","4","1","3","5","4","2","1") = "4"
    & skf21("4","4","1","3","5","4","3","1") = "4"
    & skf21("4","4","1","3","5","4","4","1") = "4"
    & skf21("4","4","1","3","5","4","5","1") = "4"
    & skf21("4","4","1","3","5","4","6","1") = "5"
    & skf21("4","4","1","3","5","4","7","1") = "6"
    & skf21("4","4","1","3","5","5","1","1") = "4"
    & skf21("4","4","1","3","5","5","2","1") = "4"
    & skf21("4","4","1","3","5","5","3","1") = "4"
    & skf21("4","4","1","3","5","5","4","1") = "4"
    & skf21("4","4","1","3","5","5","5","1") = "4"
    & skf21("4","4","1","3","5","5","6","1") = "5"
    & skf21("4","4","1","3","5","5","7","1") = "6"
    & skf21("4","4","1","3","5","6","1","1") = "5"
    & skf21("4","4","1","3","5","6","2","1") = "5"
    & skf21("4","4","1","3","5","6","3","1") = "5"
    & skf21("4","4","1","3","5","6","4","1") = "5"
    & skf21("4","4","1","3","5","6","5","1") = "5"
    & skf21("4","4","1","3","5","6","6","1") = "5"
    & skf21("4","4","1","3","5","6","7","1") = "6"
    & skf21("4","4","1","3","5","7","1","1") = "6"
    & skf21("4","4","1","3","5","7","2","1") = "6"
    & skf21("4","4","1","3","5","7","3","1") = "6"
    & skf21("4","4","1","3","5","7","4","1") = "6"
    & skf21("4","4","1","3","5","7","5","1") = "6"
    & skf21("4","4","1","3","5","7","6","1") = "6"
    & skf21("4","4","1","3","5","7","7","1") = "6"
    & skf21("4","4","1","3","6","1","1","1") = "5"
    & skf21("4","4","1","3","6","1","2","1") = "5"
    & skf21("4","4","1","3","6","1","3","1") = "5"
    & skf21("4","4","1","3","6","1","4","1") = "5"
    & skf21("4","4","1","3","6","1","5","1") = "5"
    & skf21("4","4","1","3","6","1","6","1") = "5"
    & skf21("4","4","1","3","6","1","7","1") = "6"
    & skf21("4","4","1","3","6","2","1","1") = "5"
    & skf21("4","4","1","3","6","2","2","1") = "5"
    & skf21("4","4","1","3","6","2","3","1") = "5"
    & skf21("4","4","1","3","6","2","4","1") = "5"
    & skf21("4","4","1","3","6","2","5","1") = "5"
    & skf21("4","4","1","3","6","2","6","1") = "5"
    & skf21("4","4","1","3","6","2","7","1") = "6"
    & skf21("4","4","1","3","6","3","1","1") = "5"
    & skf21("4","4","1","3","6","3","2","1") = "5"
    & skf21("4","4","1","3","6","3","3","1") = "5"
    & skf21("4","4","1","3","6","3","4","1") = "5"
    & skf21("4","4","1","3","6","3","5","1") = "5"
    & skf21("4","4","1","3","6","3","6","1") = "5"
    & skf21("4","4","1","3","6","3","7","1") = "6"
    & skf21("4","4","1","3","6","4","1","1") = "5"
    & skf21("4","4","1","3","6","4","2","1") = "5"
    & skf21("4","4","1","3","6","4","3","1") = "5"
    & skf21("4","4","1","3","6","4","4","1") = "5"
    & skf21("4","4","1","3","6","4","5","1") = "5"
    & skf21("4","4","1","3","6","4","6","1") = "5"
    & skf21("4","4","1","3","6","4","7","1") = "6"
    & skf21("4","4","1","3","6","5","1","1") = "5"
    & skf21("4","4","1","3","6","5","2","1") = "5"
    & skf21("4","4","1","3","6","5","3","1") = "5"
    & skf21("4","4","1","3","6","5","4","1") = "5"
    & skf21("4","4","1","3","6","5","5","1") = "5"
    & skf21("4","4","1","3","6","5","6","1") = "5"
    & skf21("4","4","1","3","6","5","7","1") = "6"
    & skf21("4","4","1","3","6","6","1","1") = "5"
    & skf21("4","4","1","3","6","6","2","1") = "5"
    & skf21("4","4","1","3","6","6","3","1") = "5"
    & skf21("4","4","1","3","6","6","4","1") = "5"
    & skf21("4","4","1","3","6","6","5","1") = "5"
    & skf21("4","4","1","3","6","6","6","1") = "5"
    & skf21("4","4","1","3","6","6","7","1") = "6"
    & skf21("4","4","1","3","6","7","1","1") = "6"
    & skf21("4","4","1","3","6","7","2","1") = "6"
    & skf21("4","4","1","3","6","7","3","1") = "6"
    & skf21("4","4","1","3","6","7","4","1") = "6"
    & skf21("4","4","1","3","6","7","5","1") = "6"
    & skf21("4","4","1","3","6","7","6","1") = "6"
    & skf21("4","4","1","3","6","7","7","1") = "6"
    & skf21("4","4","1","3","7","1","1","1") = "6"
    & skf21("4","4","1","3","7","1","2","1") = "6"
    & skf21("4","4","1","3","7","1","3","1") = "6"
    & skf21("4","4","1","3","7","1","4","1") = "6"
    & skf21("4","4","1","3","7","1","5","1") = "6"
    & skf21("4","4","1","3","7","1","6","1") = "6"
    & skf21("4","4","1","3","7","1","7","1") = "6"
    & skf21("4","4","1","3","7","2","1","1") = "6"
    & skf21("4","4","1","3","7","2","2","1") = "6"
    & skf21("4","4","1","3","7","2","3","1") = "6"
    & skf21("4","4","1","3","7","2","4","1") = "6"
    & skf21("4","4","1","3","7","2","5","1") = "6"
    & skf21("4","4","1","3","7","2","6","1") = "6"
    & skf21("4","4","1","3","7","2","7","1") = "6"
    & skf21("4","4","1","3","7","3","1","1") = "6"
    & skf21("4","4","1","3","7","3","2","1") = "6"
    & skf21("4","4","1","3","7","3","3","1") = "6"
    & skf21("4","4","1","3","7","3","4","1") = "6"
    & skf21("4","4","1","3","7","3","5","1") = "6"
    & skf21("4","4","1","3","7","3","6","1") = "6"
    & skf21("4","4","1","3","7","3","7","1") = "6"
    & skf21("4","4","1","3","7","4","1","1") = "6"
    & skf21("4","4","1","3","7","4","2","1") = "6"
    & skf21("4","4","1","3","7","4","3","1") = "6"
    & skf21("4","4","1","3","7","4","4","1") = "6"
    & skf21("4","4","1","3","7","4","5","1") = "6"
    & skf21("4","4","1","3","7","4","6","1") = "6"
    & skf21("4","4","1","3","7","4","7","1") = "6"
    & skf21("4","4","1","3","7","5","1","1") = "6"
    & skf21("4","4","1","3","7","5","2","1") = "6"
    & skf21("4","4","1","3","7","5","3","1") = "6"
    & skf21("4","4","1","3","7","5","4","1") = "6"
    & skf21("4","4","1","3","7","5","5","1") = "6"
    & skf21("4","4","1","3","7","5","6","1") = "6"
    & skf21("4","4","1","3","7","5","7","1") = "6"
    & skf21("4","4","1","3","7","6","1","1") = "6"
    & skf21("4","4","1","3","7","6","2","1") = "6"
    & skf21("4","4","1","3","7","6","3","1") = "6"
    & skf21("4","4","1","3","7","6","4","1") = "6"
    & skf21("4","4","1","3","7","6","5","1") = "6"
    & skf21("4","4","1","3","7","6","6","1") = "6"
    & skf21("4","4","1","3","7","6","7","1") = "6"
    & skf21("4","4","1","3","7","7","1","1") = "6"
    & skf21("4","4","1","3","7","7","2","1") = "6"
    & skf21("4","4","1","3","7","7","3","1") = "6"
    & skf21("4","4","1","3","7","7","4","1") = "6"
    & skf21("4","4","1","3","7","7","5","1") = "6"
    & skf21("4","4","1","3","7","7","6","1") = "6"
    & skf21("4","4","1","3","7","7","7","1") = "6"
    & skf21("4","4","1","4","1","1","1","1") = "3"
    & skf21("4","4","1","4","1","1","2","1") = "3"
    & skf21("4","4","1","4","1","1","3","1") = "3"
    & skf21("4","4","1","4","1","1","4","1") = "3"
    & skf21("4","4","1","4","1","1","5","1") = "4"
    & skf21("4","4","1","4","1","1","6","1") = "5"
    & skf21("4","4","1","4","1","1","7","1") = "6"
    & skf21("4","4","1","4","1","2","1","1") = "3"
    & skf21("4","4","1","4","1","2","2","1") = "3"
    & skf21("4","4","1","4","1","2","3","1") = "3"
    & skf21("4","4","1","4","1","2","4","1") = "3"
    & skf21("4","4","1","4","1","2","5","1") = "4"
    & skf21("4","4","1","4","1","2","6","1") = "5"
    & skf21("4","4","1","4","1","2","7","1") = "6"
    & skf21("4","4","1","4","1","3","1","1") = "3"
    & skf21("4","4","1","4","1","3","2","1") = "3"
    & skf21("4","4","1","4","1","3","3","1") = "3"
    & skf21("4","4","1","4","1","3","4","1") = "3"
    & skf21("4","4","1","4","1","3","5","1") = "4"
    & skf21("4","4","1","4","1","3","6","1") = "5"
    & skf21("4","4","1","4","1","3","7","1") = "6"
    & skf21("4","4","1","4","1","4","1","1") = "3"
    & skf21("4","4","1","4","1","4","2","1") = "3"
    & skf21("4","4","1","4","1","4","3","1") = "3"
    & skf21("4","4","1","4","1","4","4","1") = "3"
    & skf21("4","4","1","4","1","4","5","1") = "4"
    & skf21("4","4","1","4","1","4","6","1") = "5"
    & skf21("4","4","1","4","1","4","7","1") = "6"
    & skf21("4","4","1","4","1","5","1","1") = "4"
    & skf21("4","4","1","4","1","5","2","1") = "4"
    & skf21("4","4","1","4","1","5","3","1") = "4"
    & skf21("4","4","1","4","1","5","4","1") = "4"
    & skf21("4","4","1","4","1","5","5","1") = "4"
    & skf21("4","4","1","4","1","5","6","1") = "5"
    & skf21("4","4","1","4","1","5","7","1") = "6"
    & skf21("4","4","1","4","1","6","1","1") = "5"
    & skf21("4","4","1","4","1","6","2","1") = "5"
    & skf21("4","4","1","4","1","6","3","1") = "5"
    & skf21("4","4","1","4","1","6","4","1") = "5"
    & skf21("4","4","1","4","1","6","5","1") = "5"
    & skf21("4","4","1","4","1","6","6","1") = "5"
    & skf21("4","4","1","4","1","6","7","1") = "6"
    & skf21("4","4","1","4","1","7","1","1") = "6"
    & skf21("4","4","1","4","1","7","2","1") = "6"
    & skf21("4","4","1","4","1","7","3","1") = "6"
    & skf21("4","4","1","4","1","7","4","1") = "6"
    & skf21("4","4","1","4","1","7","5","1") = "6"
    & skf21("4","4","1","4","1","7","6","1") = "6"
    & skf21("4","4","1","4","1","7","7","1") = "6"
    & skf21("4","4","1","4","2","1","1","1") = "3"
    & skf21("4","4","1","4","2","1","2","1") = "3"
    & skf21("4","4","1","4","2","1","3","1") = "3"
    & skf21("4","4","1","4","2","1","4","1") = "3"
    & skf21("4","4","1","4","2","1","5","1") = "4"
    & skf21("4","4","1","4","2","1","6","1") = "5"
    & skf21("4","4","1","4","2","1","7","1") = "6"
    & skf21("4","4","1","4","2","2","1","1") = "3"
    & skf21("4","4","1","4","2","2","2","1") = "3"
    & skf21("4","4","1","4","2","2","3","1") = "3"
    & skf21("4","4","1","4","2","2","4","1") = "3"
    & skf21("4","4","1","4","2","2","5","1") = "4"
    & skf21("4","4","1","4","2","2","6","1") = "5"
    & skf21("4","4","1","4","2","2","7","1") = "6"
    & skf21("4","4","1","4","2","3","1","1") = "3"
    & skf21("4","4","1","4","2","3","2","1") = "3"
    & skf21("4","4","1","4","2","3","3","1") = "3"
    & skf21("4","4","1","4","2","3","4","1") = "3"
    & skf21("4","4","1","4","2","3","5","1") = "4"
    & skf21("4","4","1","4","2","3","6","1") = "5"
    & skf21("4","4","1","4","2","3","7","1") = "6"
    & skf21("4","4","1","4","2","4","1","1") = "3"
    & skf21("4","4","1","4","2","4","2","1") = "3"
    & skf21("4","4","1","4","2","4","3","1") = "3"
    & skf21("4","4","1","4","2","4","4","1") = "3"
    & skf21("4","4","1","4","2","4","5","1") = "4"
    & skf21("4","4","1","4","2","4","6","1") = "5"
    & skf21("4","4","1","4","2","4","7","1") = "6"
    & skf21("4","4","1","4","2","5","1","1") = "4"
    & skf21("4","4","1","4","2","5","2","1") = "4"
    & skf21("4","4","1","4","2","5","3","1") = "4"
    & skf21("4","4","1","4","2","5","4","1") = "4"
    & skf21("4","4","1","4","2","5","5","1") = "4"
    & skf21("4","4","1","4","2","5","6","1") = "5"
    & skf21("4","4","1","4","2","5","7","1") = "6"
    & skf21("4","4","1","4","2","6","1","1") = "5"
    & skf21("4","4","1","4","2","6","2","1") = "5"
    & skf21("4","4","1","4","2","6","3","1") = "5"
    & skf21("4","4","1","4","2","6","4","1") = "5"
    & skf21("4","4","1","4","2","6","5","1") = "5"
    & skf21("4","4","1","4","2","6","6","1") = "5"
    & skf21("4","4","1","4","2","6","7","1") = "6"
    & skf21("4","4","1","4","2","7","1","1") = "6"
    & skf21("4","4","1","4","2","7","2","1") = "6"
    & skf21("4","4","1","4","2","7","3","1") = "6"
    & skf21("4","4","1","4","2","7","4","1") = "6"
    & skf21("4","4","1","4","2","7","5","1") = "6"
    & skf21("4","4","1","4","2","7","6","1") = "6"
    & skf21("4","4","1","4","2","7","7","1") = "6"
    & skf21("4","4","1","4","3","1","1","1") = "3"
    & skf21("4","4","1","4","3","1","2","1") = "3"
    & skf21("4","4","1","4","3","1","3","1") = "3"
    & skf21("4","4","1","4","3","1","4","1") = "3"
    & skf21("4","4","1","4","3","1","5","1") = "4"
    & skf21("4","4","1","4","3","1","6","1") = "5"
    & skf21("4","4","1","4","3","1","7","1") = "6"
    & skf21("4","4","1","4","3","2","1","1") = "3"
    & skf21("4","4","1","4","3","2","2","1") = "3"
    & skf21("4","4","1","4","3","2","3","1") = "3"
    & skf21("4","4","1","4","3","2","4","1") = "3"
    & skf21("4","4","1","4","3","2","5","1") = "4"
    & skf21("4","4","1","4","3","2","6","1") = "5"
    & skf21("4","4","1","4","3","2","7","1") = "6"
    & skf21("4","4","1","4","3","3","1","1") = "3"
    & skf21("4","4","1","4","3","3","2","1") = "3"
    & skf21("4","4","1","4","3","3","3","1") = "3"
    & skf21("4","4","1","4","3","3","4","1") = "3"
    & skf21("4","4","1","4","3","3","5","1") = "4"
    & skf21("4","4","1","4","3","3","6","1") = "5"
    & skf21("4","4","1","4","3","3","7","1") = "6"
    & skf21("4","4","1","4","3","4","1","1") = "3"
    & skf21("4","4","1","4","3","4","2","1") = "3"
    & skf21("4","4","1","4","3","4","3","1") = "3"
    & skf21("4","4","1","4","3","4","4","1") = "3"
    & skf21("4","4","1","4","3","4","5","1") = "4"
    & skf21("4","4","1","4","3","4","6","1") = "5"
    & skf21("4","4","1","4","3","4","7","1") = "6"
    & skf21("4","4","1","4","3","5","1","1") = "4"
    & skf21("4","4","1","4","3","5","2","1") = "4"
    & skf21("4","4","1","4","3","5","3","1") = "4"
    & skf21("4","4","1","4","3","5","4","1") = "4"
    & skf21("4","4","1","4","3","5","5","1") = "4"
    & skf21("4","4","1","4","3","5","6","1") = "5"
    & skf21("4","4","1","4","3","5","7","1") = "6"
    & skf21("4","4","1","4","3","6","1","1") = "5"
    & skf21("4","4","1","4","3","6","2","1") = "5"
    & skf21("4","4","1","4","3","6","3","1") = "5"
    & skf21("4","4","1","4","3","6","4","1") = "5"
    & skf21("4","4","1","4","3","6","5","1") = "5"
    & skf21("4","4","1","4","3","6","6","1") = "5"
    & skf21("4","4","1","4","3","6","7","1") = "6"
    & skf21("4","4","1","4","3","7","1","1") = "6"
    & skf21("4","4","1","4","3","7","2","1") = "6"
    & skf21("4","4","1","4","3","7","3","1") = "6"
    & skf21("4","4","1","4","3","7","4","1") = "6"
    & skf21("4","4","1","4","3","7","5","1") = "6"
    & skf21("4","4","1","4","3","7","6","1") = "6"
    & skf21("4","4","1","4","3","7","7","1") = "6"
    & skf21("4","4","1","4","4","1","1","1") = "3"
    & skf21("4","4","1","4","4","1","2","1") = "3"
    & skf21("4","4","1","4","4","1","3","1") = "3"
    & skf21("4","4","1","4","4","1","4","1") = "3"
    & skf21("4","4","1","4","4","1","5","1") = "4"
    & skf21("4","4","1","4","4","1","6","1") = "5"
    & skf21("4","4","1","4","4","1","7","1") = "6"
    & skf21("4","4","1","4","4","2","1","1") = "3"
    & skf21("4","4","1","4","4","2","2","1") = "3"
    & skf21("4","4","1","4","4","2","3","1") = "3"
    & skf21("4","4","1","4","4","2","4","1") = "3"
    & skf21("4","4","1","4","4","2","5","1") = "4"
    & skf21("4","4","1","4","4","2","6","1") = "5"
    & skf21("4","4","1","4","4","2","7","1") = "6"
    & skf21("4","4","1","4","4","3","1","1") = "3"
    & skf21("4","4","1","4","4","3","2","1") = "3"
    & skf21("4","4","1","4","4","3","3","1") = "3"
    & skf21("4","4","1","4","4","3","4","1") = "3"
    & skf21("4","4","1","4","4","3","5","1") = "4"
    & skf21("4","4","1","4","4","3","6","1") = "5"
    & skf21("4","4","1","4","4","3","7","1") = "6"
    & skf21("4","4","1","4","4","4","1","1") = "3"
    & skf21("4","4","1","4","4","4","2","1") = "3"
    & skf21("4","4","1","4","4","4","3","1") = "3"
    & skf21("4","4","1","4","4","4","4","1") = "3"
    & skf21("4","4","1","4","4","4","5","1") = "4"
    & skf21("4","4","1","4","4","4","6","1") = "5"
    & skf21("4","4","1","4","4","4","7","1") = "6"
    & skf21("4","4","1","4","4","5","1","1") = "4"
    & skf21("4","4","1","4","4","5","2","1") = "4"
    & skf21("4","4","1","4","4","5","3","1") = "4"
    & skf21("4","4","1","4","4","5","4","1") = "4"
    & skf21("4","4","1","4","4","5","5","1") = "4"
    & skf21("4","4","1","4","4","5","6","1") = "5"
    & skf21("4","4","1","4","4","5","7","1") = "6"
    & skf21("4","4","1","4","4","6","1","1") = "5"
    & skf21("4","4","1","4","4","6","2","1") = "5"
    & skf21("4","4","1","4","4","6","3","1") = "5"
    & skf21("4","4","1","4","4","6","4","1") = "5"
    & skf21("4","4","1","4","4","6","5","1") = "5"
    & skf21("4","4","1","4","4","6","6","1") = "5"
    & skf21("4","4","1","4","4","6","7","1") = "6"
    & skf21("4","4","1","4","4","7","1","1") = "6"
    & skf21("4","4","1","4","4","7","2","1") = "6"
    & skf21("4","4","1","4","4","7","3","1") = "6"
    & skf21("4","4","1","4","4","7","4","1") = "6"
    & skf21("4","4","1","4","4","7","5","1") = "6"
    & skf21("4","4","1","4","4","7","6","1") = "6"
    & skf21("4","4","1","4","4","7","7","1") = "6"
    & skf21("4","4","1","4","5","1","1","1") = "4"
    & skf21("4","4","1","4","5","1","2","1") = "4"
    & skf21("4","4","1","4","5","1","3","1") = "4"
    & skf21("4","4","1","4","5","1","4","1") = "4"
    & skf21("4","4","1","4","5","1","5","1") = "4"
    & skf21("4","4","1","4","5","1","6","1") = "5"
    & skf21("4","4","1","4","5","1","7","1") = "6"
    & skf21("4","4","1","4","5","2","1","1") = "4"
    & skf21("4","4","1","4","5","2","2","1") = "4"
    & skf21("4","4","1","4","5","2","3","1") = "4"
    & skf21("4","4","1","4","5","2","4","1") = "4"
    & skf21("4","4","1","4","5","2","5","1") = "4"
    & skf21("4","4","1","4","5","2","6","1") = "5"
    & skf21("4","4","1","4","5","2","7","1") = "6"
    & skf21("4","4","1","4","5","3","1","1") = "4"
    & skf21("4","4","1","4","5","3","2","1") = "4"
    & skf21("4","4","1","4","5","3","3","1") = "4"
    & skf21("4","4","1","4","5","3","4","1") = "4"
    & skf21("4","4","1","4","5","3","5","1") = "4"
    & skf21("4","4","1","4","5","3","6","1") = "5"
    & skf21("4","4","1","4","5","3","7","1") = "6"
    & skf21("4","4","1","4","5","4","1","1") = "4"
    & skf21("4","4","1","4","5","4","2","1") = "4"
    & skf21("4","4","1","4","5","4","3","1") = "4"
    & skf21("4","4","1","4","5","4","4","1") = "4"
    & skf21("4","4","1","4","5","4","5","1") = "4"
    & skf21("4","4","1","4","5","4","6","1") = "5"
    & skf21("4","4","1","4","5","4","7","1") = "6"
    & skf21("4","4","1","4","5","5","1","1") = "4"
    & skf21("4","4","1","4","5","5","2","1") = "4"
    & skf21("4","4","1","4","5","5","3","1") = "4"
    & skf21("4","4","1","4","5","5","4","1") = "4"
    & skf21("4","4","1","4","5","5","5","1") = "4"
    & skf21("4","4","1","4","5","5","6","1") = "5"
    & skf21("4","4","1","4","5","5","7","1") = "6"
    & skf21("4","4","1","4","5","6","1","1") = "5"
    & skf21("4","4","1","4","5","6","2","1") = "5"
    & skf21("4","4","1","4","5","6","3","1") = "5"
    & skf21("4","4","1","4","5","6","4","1") = "5"
    & skf21("4","4","1","4","5","6","5","1") = "5"
    & skf21("4","4","1","4","5","6","6","1") = "5"
    & skf21("4","4","1","4","5","6","7","1") = "6"
    & skf21("4","4","1","4","5","7","1","1") = "6"
    & skf21("4","4","1","4","5","7","2","1") = "6"
    & skf21("4","4","1","4","5","7","3","1") = "6"
    & skf21("4","4","1","4","5","7","4","1") = "6"
    & skf21("4","4","1","4","5","7","5","1") = "6"
    & skf21("4","4","1","4","5","7","6","1") = "6"
    & skf21("4","4","1","4","5","7","7","1") = "6"
    & skf21("4","4","1","4","6","1","1","1") = "5"
    & skf21("4","4","1","4","6","1","2","1") = "5"
    & skf21("4","4","1","4","6","1","3","1") = "5"
    & skf21("4","4","1","4","6","1","4","1") = "5"
    & skf21("4","4","1","4","6","1","5","1") = "5"
    & skf21("4","4","1","4","6","1","6","1") = "5"
    & skf21("4","4","1","4","6","1","7","1") = "6"
    & skf21("4","4","1","4","6","2","1","1") = "5"
    & skf21("4","4","1","4","6","2","2","1") = "5"
    & skf21("4","4","1","4","6","2","3","1") = "5"
    & skf21("4","4","1","4","6","2","4","1") = "5"
    & skf21("4","4","1","4","6","2","5","1") = "5"
    & skf21("4","4","1","4","6","2","6","1") = "5"
    & skf21("4","4","1","4","6","2","7","1") = "6"
    & skf21("4","4","1","4","6","3","1","1") = "5"
    & skf21("4","4","1","4","6","3","2","1") = "5"
    & skf21("4","4","1","4","6","3","3","1") = "5"
    & skf21("4","4","1","4","6","3","4","1") = "5"
    & skf21("4","4","1","4","6","3","5","1") = "5"
    & skf21("4","4","1","4","6","3","6","1") = "5"
    & skf21("4","4","1","4","6","3","7","1") = "6"
    & skf21("4","4","1","4","6","4","1","1") = "5"
    & skf21("4","4","1","4","6","4","2","1") = "5"
    & skf21("4","4","1","4","6","4","3","1") = "5"
    & skf21("4","4","1","4","6","4","4","1") = "5"
    & skf21("4","4","1","4","6","4","5","1") = "5"
    & skf21("4","4","1","4","6","4","6","1") = "5"
    & skf21("4","4","1","4","6","4","7","1") = "6"
    & skf21("4","4","1","4","6","5","1","1") = "5"
    & skf21("4","4","1","4","6","5","2","1") = "5"
    & skf21("4","4","1","4","6","5","3","1") = "5"
    & skf21("4","4","1","4","6","5","4","1") = "5"
    & skf21("4","4","1","4","6","5","5","1") = "5"
    & skf21("4","4","1","4","6","5","6","1") = "5"
    & skf21("4","4","1","4","6","5","7","1") = "6"
    & skf21("4","4","1","4","6","6","1","1") = "5"
    & skf21("4","4","1","4","6","6","2","1") = "5"
    & skf21("4","4","1","4","6","6","3","1") = "5"
    & skf21("4","4","1","4","6","6","4","1") = "5"
    & skf21("4","4","1","4","6","6","5","1") = "5"
    & skf21("4","4","1","4","6","6","6","1") = "5"
    & skf21("4","4","1","4","6","6","7","1") = "6"
    & skf21("4","4","1","4","6","7","1","1") = "6"
    & skf21("4","4","1","4","6","7","2","1") = "6"
    & skf21("4","4","1","4","6","7","3","1") = "6"
    & skf21("4","4","1","4","6","7","4","1") = "6"
    & skf21("4","4","1","4","6","7","5","1") = "6"
    & skf21("4","4","1","4","6","7","6","1") = "6"
    & skf21("4","4","1","4","6","7","7","1") = "6"
    & skf21("4","4","1","4","7","1","1","1") = "6"
    & skf21("4","4","1","4","7","1","2","1") = "6"
    & skf21("4","4","1","4","7","1","3","1") = "6"
    & skf21("4","4","1","4","7","1","4","1") = "6"
    & skf21("4","4","1","4","7","1","5","1") = "6"
    & skf21("4","4","1","4","7","1","6","1") = "6"
    & skf21("4","4","1","4","7","1","7","1") = "6"
    & skf21("4","4","1","4","7","2","1","1") = "6"
    & skf21("4","4","1","4","7","2","2","1") = "6"
    & skf21("4","4","1","4","7","2","3","1") = "6"
    & skf21("4","4","1","4","7","2","4","1") = "6"
    & skf21("4","4","1","4","7","2","5","1") = "6"
    & skf21("4","4","1","4","7","2","6","1") = "6"
    & skf21("4","4","1","4","7","2","7","1") = "6"
    & skf21("4","4","1","4","7","3","1","1") = "6"
    & skf21("4","4","1","4","7","3","2","1") = "6"
    & skf21("4","4","1","4","7","3","3","1") = "6"
    & skf21("4","4","1","4","7","3","4","1") = "6"
    & skf21("4","4","1","4","7","3","5","1") = "6"
    & skf21("4","4","1","4","7","3","6","1") = "6"
    & skf21("4","4","1","4","7","3","7","1") = "6"
    & skf21("4","4","1","4","7","4","1","1") = "6"
    & skf21("4","4","1","4","7","4","2","1") = "6"
    & skf21("4","4","1","4","7","4","3","1") = "6"
    & skf21("4","4","1","4","7","4","4","1") = "6"
    & skf21("4","4","1","4","7","4","5","1") = "6"
    & skf21("4","4","1","4","7","4","6","1") = "6"
    & skf21("4","4","1","4","7","4","7","1") = "6"
    & skf21("4","4","1","4","7","5","1","1") = "6"
    & skf21("4","4","1","4","7","5","2","1") = "6"
    & skf21("4","4","1","4","7","5","3","1") = "6"
    & skf21("4","4","1","4","7","5","4","1") = "6"
    & skf21("4","4","1","4","7","5","5","1") = "6"
    & skf21("4","4","1","4","7","5","6","1") = "6"
    & skf21("4","4","1","4","7","5","7","1") = "6"
    & skf21("4","4","1","4","7","6","1","1") = "6"
    & skf21("4","4","1","4","7","6","2","1") = "6"
    & skf21("4","4","1","4","7","6","3","1") = "6"
    & skf21("4","4","1","4","7","6","4","1") = "6"
    & skf21("4","4","1","4","7","6","5","1") = "6"
    & skf21("4","4","1","4","7","6","6","1") = "6"
    & skf21("4","4","1","4","7","6","7","1") = "6"
    & skf21("4","4","1","4","7","7","1","1") = "6"
    & skf21("4","4","1","4","7","7","2","1") = "6"
    & skf21("4","4","1","4","7","7","3","1") = "6"
    & skf21("4","4","1","4","7","7","4","1") = "6"
    & skf21("4","4","1","4","7","7","5","1") = "6"
    & skf21("4","4","1","4","7","7","6","1") = "6"
    & skf21("4","4","1","4","7","7","7","1") = "6"
    & skf21("4","4","1","5","1","1","1","1") = "4"
    & skf21("4","4","1","5","1","1","2","1") = "4"
    & skf21("4","4","1","5","1","1","3","1") = "4"
    & skf21("4","4","1","5","1","1","4","1") = "4"
    & skf21("4","4","1","5","1","1","5","1") = "4"
    & skf21("4","4","1","5","1","1","6","1") = "5"
    & skf21("4","4","1","5","1","1","7","1") = "6"
    & skf21("4","4","1","5","1","2","1","1") = "4"
    & skf21("4","4","1","5","1","2","2","1") = "4"
    & skf21("4","4","1","5","1","2","3","1") = "4"
    & skf21("4","4","1","5","1","2","4","1") = "4"
    & skf21("4","4","1","5","1","2","5","1") = "4"
    & skf21("4","4","1","5","1","2","6","1") = "5"
    & skf21("4","4","1","5","1","2","7","1") = "6"
    & skf21("4","4","1","5","1","3","1","1") = "4"
    & skf21("4","4","1","5","1","3","2","1") = "4"
    & skf21("4","4","1","5","1","3","3","1") = "4"
    & skf21("4","4","1","5","1","3","4","1") = "4"
    & skf21("4","4","1","5","1","3","5","1") = "4"
    & skf21("4","4","1","5","1","3","6","1") = "5"
    & skf21("4","4","1","5","1","3","7","1") = "6"
    & skf21("4","4","1","5","1","4","1","1") = "4"
    & skf21("4","4","1","5","1","4","2","1") = "4"
    & skf21("4","4","1","5","1","4","3","1") = "4"
    & skf21("4","4","1","5","1","4","4","1") = "4"
    & skf21("4","4","1","5","1","4","5","1") = "4"
    & skf21("4","4","1","5","1","4","6","1") = "5"
    & skf21("4","4","1","5","1","4","7","1") = "6"
    & skf21("4","4","1","5","1","5","1","1") = "4"
    & skf21("4","4","1","5","1","5","2","1") = "4"
    & skf21("4","4","1","5","1","5","3","1") = "4"
    & skf21("4","4","1","5","1","5","4","1") = "4"
    & skf21("4","4","1","5","1","5","5","1") = "4"
    & skf21("4","4","1","5","1","5","6","1") = "5"
    & skf21("4","4","1","5","1","5","7","1") = "6"
    & skf21("4","4","1","5","1","6","1","1") = "5"
    & skf21("4","4","1","5","1","6","2","1") = "5"
    & skf21("4","4","1","5","1","6","3","1") = "5"
    & skf21("4","4","1","5","1","6","4","1") = "5"
    & skf21("4","4","1","5","1","6","5","1") = "5"
    & skf21("4","4","1","5","1","6","6","1") = "5"
    & skf21("4","4","1","5","1","6","7","1") = "6"
    & skf21("4","4","1","5","1","7","1","1") = "6"
    & skf21("4","4","1","5","1","7","2","1") = "6"
    & skf21("4","4","1","5","1","7","3","1") = "6"
    & skf21("4","4","1","5","1","7","4","1") = "6"
    & skf21("4","4","1","5","1","7","5","1") = "6"
    & skf21("4","4","1","5","1","7","6","1") = "6"
    & skf21("4","4","1","5","1","7","7","1") = "6"
    & skf21("4","4","1","5","2","1","1","1") = "4"
    & skf21("4","4","1","5","2","1","2","1") = "4"
    & skf21("4","4","1","5","2","1","3","1") = "4"
    & skf21("4","4","1","5","2","1","4","1") = "4"
    & skf21("4","4","1","5","2","1","5","1") = "4"
    & skf21("4","4","1","5","2","1","6","1") = "5"
    & skf21("4","4","1","5","2","1","7","1") = "6"
    & skf21("4","4","1","5","2","2","1","1") = "4"
    & skf21("4","4","1","5","2","2","2","1") = "4"
    & skf21("4","4","1","5","2","2","3","1") = "4"
    & skf21("4","4","1","5","2","2","4","1") = "4"
    & skf21("4","4","1","5","2","2","5","1") = "4"
    & skf21("4","4","1","5","2","2","6","1") = "5"
    & skf21("4","4","1","5","2","2","7","1") = "6"
    & skf21("4","4","1","5","2","3","1","1") = "4"
    & skf21("4","4","1","5","2","3","2","1") = "4"
    & skf21("4","4","1","5","2","3","3","1") = "4"
    & skf21("4","4","1","5","2","3","4","1") = "4"
    & skf21("4","4","1","5","2","3","5","1") = "4"
    & skf21("4","4","1","5","2","3","6","1") = "5"
    & skf21("4","4","1","5","2","3","7","1") = "6"
    & skf21("4","4","1","5","2","4","1","1") = "4"
    & skf21("4","4","1","5","2","4","2","1") = "4"
    & skf21("4","4","1","5","2","4","3","1") = "4"
    & skf21("4","4","1","5","2","4","4","1") = "4"
    & skf21("4","4","1","5","2","4","5","1") = "4"
    & skf21("4","4","1","5","2","4","6","1") = "5"
    & skf21("4","4","1","5","2","4","7","1") = "6"
    & skf21("4","4","1","5","2","5","1","1") = "4"
    & skf21("4","4","1","5","2","5","2","1") = "4"
    & skf21("4","4","1","5","2","5","3","1") = "4"
    & skf21("4","4","1","5","2","5","4","1") = "4"
    & skf21("4","4","1","5","2","5","5","1") = "4"
    & skf21("4","4","1","5","2","5","6","1") = "5"
    & skf21("4","4","1","5","2","5","7","1") = "6"
    & skf21("4","4","1","5","2","6","1","1") = "5"
    & skf21("4","4","1","5","2","6","2","1") = "5"
    & skf21("4","4","1","5","2","6","3","1") = "5"
    & skf21("4","4","1","5","2","6","4","1") = "5"
    & skf21("4","4","1","5","2","6","5","1") = "5"
    & skf21("4","4","1","5","2","6","6","1") = "5"
    & skf21("4","4","1","5","2","6","7","1") = "6"
    & skf21("4","4","1","5","2","7","1","1") = "6"
    & skf21("4","4","1","5","2","7","2","1") = "6"
    & skf21("4","4","1","5","2","7","3","1") = "6"
    & skf21("4","4","1","5","2","7","4","1") = "6"
    & skf21("4","4","1","5","2","7","5","1") = "6"
    & skf21("4","4","1","5","2","7","6","1") = "6"
    & skf21("4","4","1","5","2","7","7","1") = "6"
    & skf21("4","4","1","5","3","1","1","1") = "4"
    & skf21("4","4","1","5","3","1","2","1") = "4"
    & skf21("4","4","1","5","3","1","3","1") = "4"
    & skf21("4","4","1","5","3","1","4","1") = "4"
    & skf21("4","4","1","5","3","1","5","1") = "4"
    & skf21("4","4","1","5","3","1","6","1") = "5"
    & skf21("4","4","1","5","3","1","7","1") = "6"
    & skf21("4","4","1","5","3","2","1","1") = "4"
    & skf21("4","4","1","5","3","2","2","1") = "4"
    & skf21("4","4","1","5","3","2","3","1") = "4"
    & skf21("4","4","1","5","3","2","4","1") = "4"
    & skf21("4","4","1","5","3","2","5","1") = "4"
    & skf21("4","4","1","5","3","2","6","1") = "5"
    & skf21("4","4","1","5","3","2","7","1") = "6"
    & skf21("4","4","1","5","3","3","1","1") = "4"
    & skf21("4","4","1","5","3","3","2","1") = "4"
    & skf21("4","4","1","5","3","3","3","1") = "4"
    & skf21("4","4","1","5","3","3","4","1") = "4"
    & skf21("4","4","1","5","3","3","5","1") = "4"
    & skf21("4","4","1","5","3","3","6","1") = "5"
    & skf21("4","4","1","5","3","3","7","1") = "6"
    & skf21("4","4","1","5","3","4","1","1") = "4"
    & skf21("4","4","1","5","3","4","2","1") = "4"
    & skf21("4","4","1","5","3","4","3","1") = "4"
    & skf21("4","4","1","5","3","4","4","1") = "4"
    & skf21("4","4","1","5","3","4","5","1") = "4"
    & skf21("4","4","1","5","3","4","6","1") = "5"
    & skf21("4","4","1","5","3","4","7","1") = "6"
    & skf21("4","4","1","5","3","5","1","1") = "4"
    & skf21("4","4","1","5","3","5","2","1") = "4"
    & skf21("4","4","1","5","3","5","3","1") = "4"
    & skf21("4","4","1","5","3","5","4","1") = "4"
    & skf21("4","4","1","5","3","5","5","1") = "4"
    & skf21("4","4","1","5","3","5","6","1") = "5"
    & skf21("4","4","1","5","3","5","7","1") = "6"
    & skf21("4","4","1","5","3","6","1","1") = "5"
    & skf21("4","4","1","5","3","6","2","1") = "5"
    & skf21("4","4","1","5","3","6","3","1") = "5"
    & skf21("4","4","1","5","3","6","4","1") = "5"
    & skf21("4","4","1","5","3","6","5","1") = "5"
    & skf21("4","4","1","5","3","6","6","1") = "5"
    & skf21("4","4","1","5","3","6","7","1") = "6"
    & skf21("4","4","1","5","3","7","1","1") = "6"
    & skf21("4","4","1","5","3","7","2","1") = "6"
    & skf21("4","4","1","5","3","7","3","1") = "6"
    & skf21("4","4","1","5","3","7","4","1") = "6"
    & skf21("4","4","1","5","3","7","5","1") = "6"
    & skf21("4","4","1","5","3","7","6","1") = "6"
    & skf21("4","4","1","5","3","7","7","1") = "6"
    & skf21("4","4","1","5","4","1","1","1") = "4"
    & skf21("4","4","1","5","4","1","2","1") = "4"
    & skf21("4","4","1","5","4","1","3","1") = "4"
    & skf21("4","4","1","5","4","1","4","1") = "4"
    & skf21("4","4","1","5","4","1","5","1") = "4"
    & skf21("4","4","1","5","4","1","6","1") = "5"
    & skf21("4","4","1","5","4","1","7","1") = "6"
    & skf21("4","4","1","5","4","2","1","1") = "4"
    & skf21("4","4","1","5","4","2","2","1") = "4"
    & skf21("4","4","1","5","4","2","3","1") = "4"
    & skf21("4","4","1","5","4","2","4","1") = "4"
    & skf21("4","4","1","5","4","2","5","1") = "4"
    & skf21("4","4","1","5","4","2","6","1") = "5"
    & skf21("4","4","1","5","4","2","7","1") = "6"
    & skf21("4","4","1","5","4","3","1","1") = "4"
    & skf21("4","4","1","5","4","3","2","1") = "4"
    & skf21("4","4","1","5","4","3","3","1") = "4"
    & skf21("4","4","1","5","4","3","4","1") = "4"
    & skf21("4","4","1","5","4","3","5","1") = "4"
    & skf21("4","4","1","5","4","3","6","1") = "5"
    & skf21("4","4","1","5","4","3","7","1") = "6"
    & skf21("4","4","1","5","4","4","1","1") = "4"
    & skf21("4","4","1","5","4","4","2","1") = "4"
    & skf21("4","4","1","5","4","4","3","1") = "4"
    & skf21("4","4","1","5","4","4","4","1") = "4"
    & skf21("4","4","1","5","4","4","5","1") = "4"
    & skf21("4","4","1","5","4","4","6","1") = "5"
    & skf21("4","4","1","5","4","4","7","1") = "6"
    & skf21("4","4","1","5","4","5","1","1") = "4"
    & skf21("4","4","1","5","4","5","2","1") = "4"
    & skf21("4","4","1","5","4","5","3","1") = "4"
    & skf21("4","4","1","5","4","5","4","1") = "4"
    & skf21("4","4","1","5","4","5","5","1") = "4"
    & skf21("4","4","1","5","4","5","6","1") = "5"
    & skf21("4","4","1","5","4","5","7","1") = "6"
    & skf21("4","4","1","5","4","6","1","1") = "5"
    & skf21("4","4","1","5","4","6","2","1") = "5"
    & skf21("4","4","1","5","4","6","3","1") = "5"
    & skf21("4","4","1","5","4","6","4","1") = "5"
    & skf21("4","4","1","5","4","6","5","1") = "5"
    & skf21("4","4","1","5","4","6","6","1") = "5"
    & skf21("4","4","1","5","4","6","7","1") = "6"
    & skf21("4","4","1","5","4","7","1","1") = "6"
    & skf21("4","4","1","5","4","7","2","1") = "6"
    & skf21("4","4","1","5","4","7","3","1") = "6"
    & skf21("4","4","1","5","4","7","4","1") = "6"
    & skf21("4","4","1","5","4","7","5","1") = "6"
    & skf21("4","4","1","5","4","7","6","1") = "6"
    & skf21("4","4","1","5","4","7","7","1") = "6"
    & skf21("4","4","1","5","5","1","1","1") = "4"
    & skf21("4","4","1","5","5","1","2","1") = "4"
    & skf21("4","4","1","5","5","1","3","1") = "4"
    & skf21("4","4","1","5","5","1","4","1") = "4"
    & skf21("4","4","1","5","5","1","5","1") = "4"
    & skf21("4","4","1","5","5","1","6","1") = "5"
    & skf21("4","4","1","5","5","1","7","1") = "6"
    & skf21("4","4","1","5","5","2","1","1") = "4"
    & skf21("4","4","1","5","5","2","2","1") = "4"
    & skf21("4","4","1","5","5","2","3","1") = "4"
    & skf21("4","4","1","5","5","2","4","1") = "4"
    & skf21("4","4","1","5","5","2","5","1") = "4"
    & skf21("4","4","1","5","5","2","6","1") = "5"
    & skf21("4","4","1","5","5","2","7","1") = "6"
    & skf21("4","4","1","5","5","3","1","1") = "4"
    & skf21("4","4","1","5","5","3","2","1") = "4"
    & skf21("4","4","1","5","5","3","3","1") = "4"
    & skf21("4","4","1","5","5","3","4","1") = "4"
    & skf21("4","4","1","5","5","3","5","1") = "4"
    & skf21("4","4","1","5","5","3","6","1") = "5"
    & skf21("4","4","1","5","5","3","7","1") = "6"
    & skf21("4","4","1","5","5","4","1","1") = "4"
    & skf21("4","4","1","5","5","4","2","1") = "4"
    & skf21("4","4","1","5","5","4","3","1") = "4"
    & skf21("4","4","1","5","5","4","4","1") = "4"
    & skf21("4","4","1","5","5","4","5","1") = "4"
    & skf21("4","4","1","5","5","4","6","1") = "5"
    & skf21("4","4","1","5","5","4","7","1") = "6"
    & skf21("4","4","1","5","5","5","1","1") = "4"
    & skf21("4","4","1","5","5","5","2","1") = "4"
    & skf21("4","4","1","5","5","5","3","1") = "4"
    & skf21("4","4","1","5","5","5","4","1") = "4"
    & skf21("4","4","1","5","5","5","5","1") = "4"
    & skf21("4","4","1","5","5","5","6","1") = "5"
    & skf21("4","4","1","5","5","5","7","1") = "6"
    & skf21("4","4","1","5","5","6","1","1") = "5"
    & skf21("4","4","1","5","5","6","2","1") = "5"
    & skf21("4","4","1","5","5","6","3","1") = "5"
    & skf21("4","4","1","5","5","6","4","1") = "5"
    & skf21("4","4","1","5","5","6","5","1") = "5"
    & skf21("4","4","1","5","5","6","6","1") = "5"
    & skf21("4","4","1","5","5","6","7","1") = "6"
    & skf21("4","4","1","5","5","7","1","1") = "6"
    & skf21("4","4","1","5","5","7","2","1") = "6"
    & skf21("4","4","1","5","5","7","3","1") = "6"
    & skf21("4","4","1","5","5","7","4","1") = "6"
    & skf21("4","4","1","5","5","7","5","1") = "6"
    & skf21("4","4","1","5","5","7","6","1") = "6"
    & skf21("4","4","1","5","5","7","7","1") = "6"
    & skf21("4","4","1","5","6","1","1","1") = "5"
    & skf21("4","4","1","5","6","1","2","1") = "5"
    & skf21("4","4","1","5","6","1","3","1") = "5"
    & skf21("4","4","1","5","6","1","4","1") = "5"
    & skf21("4","4","1","5","6","1","5","1") = "5"
    & skf21("4","4","1","5","6","1","6","1") = "5"
    & skf21("4","4","1","5","6","1","7","1") = "6"
    & skf21("4","4","1","5","6","2","1","1") = "5"
    & skf21("4","4","1","5","6","2","2","1") = "5"
    & skf21("4","4","1","5","6","2","3","1") = "5"
    & skf21("4","4","1","5","6","2","4","1") = "5"
    & skf21("4","4","1","5","6","2","5","1") = "5"
    & skf21("4","4","1","5","6","2","6","1") = "5"
    & skf21("4","4","1","5","6","2","7","1") = "6"
    & skf21("4","4","1","5","6","3","1","1") = "5"
    & skf21("4","4","1","5","6","3","2","1") = "5"
    & skf21("4","4","1","5","6","3","3","1") = "5"
    & skf21("4","4","1","5","6","3","4","1") = "5"
    & skf21("4","4","1","5","6","3","5","1") = "5"
    & skf21("4","4","1","5","6","3","6","1") = "5"
    & skf21("4","4","1","5","6","3","7","1") = "6"
    & skf21("4","4","1","5","6","4","1","1") = "5"
    & skf21("4","4","1","5","6","4","2","1") = "5"
    & skf21("4","4","1","5","6","4","3","1") = "5"
    & skf21("4","4","1","5","6","4","4","1") = "5"
    & skf21("4","4","1","5","6","4","5","1") = "5"
    & skf21("4","4","1","5","6","4","6","1") = "5"
    & skf21("4","4","1","5","6","4","7","1") = "6"
    & skf21("4","4","1","5","6","5","1","1") = "5"
    & skf21("4","4","1","5","6","5","2","1") = "5"
    & skf21("4","4","1","5","6","5","3","1") = "5"
    & skf21("4","4","1","5","6","5","4","1") = "5"
    & skf21("4","4","1","5","6","5","5","1") = "5"
    & skf21("4","4","1","5","6","5","6","1") = "5"
    & skf21("4","4","1","5","6","5","7","1") = "6"
    & skf21("4","4","1","5","6","6","1","1") = "5"
    & skf21("4","4","1","5","6","6","2","1") = "5"
    & skf21("4","4","1","5","6","6","3","1") = "5"
    & skf21("4","4","1","5","6","6","4","1") = "5"
    & skf21("4","4","1","5","6","6","5","1") = "5"
    & skf21("4","4","1","5","6","6","6","1") = "5"
    & skf21("4","4","1","5","6","6","7","1") = "6"
    & skf21("4","4","1","5","6","7","1","1") = "6"
    & skf21("4","4","1","5","6","7","2","1") = "6"
    & skf21("4","4","1","5","6","7","3","1") = "6"
    & skf21("4","4","1","5","6","7","4","1") = "6"
    & skf21("4","4","1","5","6","7","5","1") = "6"
    & skf21("4","4","1","5","6","7","6","1") = "6"
    & skf21("4","4","1","5","6","7","7","1") = "6"
    & skf21("4","4","1","5","7","1","1","1") = "6"
    & skf21("4","4","1","5","7","1","2","1") = "6"
    & skf21("4","4","1","5","7","1","3","1") = "6"
    & skf21("4","4","1","5","7","1","4","1") = "6"
    & skf21("4","4","1","5","7","1","5","1") = "6"
    & skf21("4","4","1","5","7","1","6","1") = "6"
    & skf21("4","4","1","5","7","1","7","1") = "6"
    & skf21("4","4","1","5","7","2","1","1") = "6"
    & skf21("4","4","1","5","7","2","2","1") = "6"
    & skf21("4","4","1","5","7","2","3","1") = "6"
    & skf21("4","4","1","5","7","2","4","1") = "6"
    & skf21("4","4","1","5","7","2","5","1") = "6"
    & skf21("4","4","1","5","7","2","6","1") = "6"
    & skf21("4","4","1","5","7","2","7","1") = "6"
    & skf21("4","4","1","5","7","3","1","1") = "6"
    & skf21("4","4","1","5","7","3","2","1") = "6"
    & skf21("4","4","1","5","7","3","3","1") = "6"
    & skf21("4","4","1","5","7","3","4","1") = "6"
    & skf21("4","4","1","5","7","3","5","1") = "6"
    & skf21("4","4","1","5","7","3","6","1") = "6"
    & skf21("4","4","1","5","7","3","7","1") = "6"
    & skf21("4","4","1","5","7","4","1","1") = "6"
    & skf21("4","4","1","5","7","4","2","1") = "6"
    & skf21("4","4","1","5","7","4","3","1") = "6"
    & skf21("4","4","1","5","7","4","4","1") = "6"
    & skf21("4","4","1","5","7","4","5","1") = "6"
    & skf21("4","4","1","5","7","4","6","1") = "6"
    & skf21("4","4","1","5","7","4","7","1") = "6"
    & skf21("4","4","1","5","7","5","1","1") = "6"
    & skf21("4","4","1","5","7","5","2","1") = "6"
    & skf21("4","4","1","5","7","5","3","1") = "6"
    & skf21("4","4","1","5","7","5","4","1") = "6"
    & skf21("4","4","1","5","7","5","5","1") = "6"
    & skf21("4","4","1","5","7","5","6","1") = "6"
    & skf21("4","4","1","5","7","5","7","1") = "6"
    & skf21("4","4","1","5","7","6","1","1") = "6"
    & skf21("4","4","1","5","7","6","2","1") = "6"
    & skf21("4","4","1","5","7","6","3","1") = "6"
    & skf21("4","4","1","5","7","6","4","1") = "6"
    & skf21("4","4","1","5","7","6","5","1") = "6"
    & skf21("4","4","1","5","7","6","6","1") = "6"
    & skf21("4","4","1","5","7","6","7","1") = "6"
    & skf21("4","4","1","5","7","7","1","1") = "6"
    & skf21("4","4","1","5","7","7","2","1") = "6"
    & skf21("4","4","1","5","7","7","3","1") = "6"
    & skf21("4","4","1","5","7","7","4","1") = "6"
    & skf21("4","4","1","5","7","7","5","1") = "6"
    & skf21("4","4","1","5","7","7","6","1") = "6"
    & skf21("4","4","1","5","7","7","7","1") = "6"
    & skf21("4","4","1","6","1","1","1","1") = "5"
    & skf21("4","4","1","6","1","1","2","1") = "5"
    & skf21("4","4","1","6","1","1","3","1") = "5"
    & skf21("4","4","1","6","1","1","4","1") = "5"
    & skf21("4","4","1","6","1","1","5","1") = "5"
    & skf21("4","4","1","6","1","1","6","1") = "5"
    & skf21("4","4","1","6","1","1","7","1") = "6"
    & skf21("4","4","1","6","1","2","1","1") = "5"
    & skf21("4","4","1","6","1","2","2","1") = "5"
    & skf21("4","4","1","6","1","2","3","1") = "5"
    & skf21("4","4","1","6","1","2","4","1") = "5"
    & skf21("4","4","1","6","1","2","5","1") = "5"
    & skf21("4","4","1","6","1","2","6","1") = "5"
    & skf21("4","4","1","6","1","2","7","1") = "6"
    & skf21("4","4","1","6","1","3","1","1") = "5"
    & skf21("4","4","1","6","1","3","2","1") = "5"
    & skf21("4","4","1","6","1","3","3","1") = "5"
    & skf21("4","4","1","6","1","3","4","1") = "5"
    & skf21("4","4","1","6","1","3","5","1") = "5"
    & skf21("4","4","1","6","1","3","6","1") = "5"
    & skf21("4","4","1","6","1","3","7","1") = "6"
    & skf21("4","4","1","6","1","4","1","1") = "5"
    & skf21("4","4","1","6","1","4","2","1") = "5"
    & skf21("4","4","1","6","1","4","3","1") = "5"
    & skf21("4","4","1","6","1","4","4","1") = "5"
    & skf21("4","4","1","6","1","4","5","1") = "5"
    & skf21("4","4","1","6","1","4","6","1") = "5"
    & skf21("4","4","1","6","1","4","7","1") = "6"
    & skf21("4","4","1","6","1","5","1","1") = "5"
    & skf21("4","4","1","6","1","5","2","1") = "5"
    & skf21("4","4","1","6","1","5","3","1") = "5"
    & skf21("4","4","1","6","1","5","4","1") = "5"
    & skf21("4","4","1","6","1","5","5","1") = "5"
    & skf21("4","4","1","6","1","5","6","1") = "5"
    & skf21("4","4","1","6","1","5","7","1") = "6"
    & skf21("4","4","1","6","1","6","1","1") = "5"
    & skf21("4","4","1","6","1","6","2","1") = "5"
    & skf21("4","4","1","6","1","6","3","1") = "5"
    & skf21("4","4","1","6","1","6","4","1") = "5"
    & skf21("4","4","1","6","1","6","5","1") = "5"
    & skf21("4","4","1","6","1","6","6","1") = "5"
    & skf21("4","4","1","6","1","6","7","1") = "6"
    & skf21("4","4","1","6","1","7","1","1") = "6"
    & skf21("4","4","1","6","1","7","2","1") = "6"
    & skf21("4","4","1","6","1","7","3","1") = "6"
    & skf21("4","4","1","6","1","7","4","1") = "6"
    & skf21("4","4","1","6","1","7","5","1") = "6"
    & skf21("4","4","1","6","1","7","6","1") = "6"
    & skf21("4","4","1","6","1","7","7","1") = "6"
    & skf21("4","4","1","6","2","1","1","1") = "5"
    & skf21("4","4","1","6","2","1","2","1") = "5"
    & skf21("4","4","1","6","2","1","3","1") = "5"
    & skf21("4","4","1","6","2","1","4","1") = "5"
    & skf21("4","4","1","6","2","1","5","1") = "5"
    & skf21("4","4","1","6","2","1","6","1") = "5"
    & skf21("4","4","1","6","2","1","7","1") = "6"
    & skf21("4","4","1","6","2","2","1","1") = "5"
    & skf21("4","4","1","6","2","2","2","1") = "5"
    & skf21("4","4","1","6","2","2","3","1") = "5"
    & skf21("4","4","1","6","2","2","4","1") = "5"
    & skf21("4","4","1","6","2","2","5","1") = "5"
    & skf21("4","4","1","6","2","2","6","1") = "5"
    & skf21("4","4","1","6","2","2","7","1") = "6"
    & skf21("4","4","1","6","2","3","1","1") = "5"
    & skf21("4","4","1","6","2","3","2","1") = "5"
    & skf21("4","4","1","6","2","3","3","1") = "5"
    & skf21("4","4","1","6","2","3","4","1") = "5"
    & skf21("4","4","1","6","2","3","5","1") = "5"
    & skf21("4","4","1","6","2","3","6","1") = "5"
    & skf21("4","4","1","6","2","3","7","1") = "6"
    & skf21("4","4","1","6","2","4","1","1") = "5"
    & skf21("4","4","1","6","2","4","2","1") = "5"
    & skf21("4","4","1","6","2","4","3","1") = "5"
    & skf21("4","4","1","6","2","4","4","1") = "5"
    & skf21("4","4","1","6","2","4","5","1") = "5"
    & skf21("4","4","1","6","2","4","6","1") = "5"
    & skf21("4","4","1","6","2","4","7","1") = "6"
    & skf21("4","4","1","6","2","5","1","1") = "5"
    & skf21("4","4","1","6","2","5","2","1") = "5"
    & skf21("4","4","1","6","2","5","3","1") = "5"
    & skf21("4","4","1","6","2","5","4","1") = "5"
    & skf21("4","4","1","6","2","5","5","1") = "5"
    & skf21("4","4","1","6","2","5","6","1") = "5"
    & skf21("4","4","1","6","2","5","7","1") = "6"
    & skf21("4","4","1","6","2","6","1","1") = "5"
    & skf21("4","4","1","6","2","6","2","1") = "5"
    & skf21("4","4","1","6","2","6","3","1") = "5"
    & skf21("4","4","1","6","2","6","4","1") = "5"
    & skf21("4","4","1","6","2","6","5","1") = "5"
    & skf21("4","4","1","6","2","6","6","1") = "5"
    & skf21("4","4","1","6","2","6","7","1") = "6"
    & skf21("4","4","1","6","2","7","1","1") = "6"
    & skf21("4","4","1","6","2","7","2","1") = "6"
    & skf21("4","4","1","6","2","7","3","1") = "6"
    & skf21("4","4","1","6","2","7","4","1") = "6"
    & skf21("4","4","1","6","2","7","5","1") = "6"
    & skf21("4","4","1","6","2","7","6","1") = "6"
    & skf21("4","4","1","6","2","7","7","1") = "6"
    & skf21("4","4","1","6","3","1","1","1") = "5"
    & skf21("4","4","1","6","3","1","2","1") = "5"
    & skf21("4","4","1","6","3","1","3","1") = "5"
    & skf21("4","4","1","6","3","1","4","1") = "5"
    & skf21("4","4","1","6","3","1","5","1") = "5"
    & skf21("4","4","1","6","3","1","6","1") = "5"
    & skf21("4","4","1","6","3","1","7","1") = "6"
    & skf21("4","4","1","6","3","2","1","1") = "5"
    & skf21("4","4","1","6","3","2","2","1") = "5"
    & skf21("4","4","1","6","3","2","3","1") = "5"
    & skf21("4","4","1","6","3","2","4","1") = "5"
    & skf21("4","4","1","6","3","2","5","1") = "5"
    & skf21("4","4","1","6","3","2","6","1") = "5"
    & skf21("4","4","1","6","3","2","7","1") = "6"
    & skf21("4","4","1","6","3","3","1","1") = "5"
    & skf21("4","4","1","6","3","3","2","1") = "5"
    & skf21("4","4","1","6","3","3","3","1") = "5"
    & skf21("4","4","1","6","3","3","4","1") = "5"
    & skf21("4","4","1","6","3","3","5","1") = "5"
    & skf21("4","4","1","6","3","3","6","1") = "5"
    & skf21("4","4","1","6","3","3","7","1") = "6"
    & skf21("4","4","1","6","3","4","1","1") = "5"
    & skf21("4","4","1","6","3","4","2","1") = "5"
    & skf21("4","4","1","6","3","4","3","1") = "5"
    & skf21("4","4","1","6","3","4","4","1") = "5"
    & skf21("4","4","1","6","3","4","5","1") = "5"
    & skf21("4","4","1","6","3","4","6","1") = "5"
    & skf21("4","4","1","6","3","4","7","1") = "6"
    & skf21("4","4","1","6","3","5","1","1") = "5"
    & skf21("4","4","1","6","3","5","2","1") = "5"
    & skf21("4","4","1","6","3","5","3","1") = "5"
    & skf21("4","4","1","6","3","5","4","1") = "5"
    & skf21("4","4","1","6","3","5","5","1") = "5"
    & skf21("4","4","1","6","3","5","6","1") = "5"
    & skf21("4","4","1","6","3","5","7","1") = "6"
    & skf21("4","4","1","6","3","6","1","1") = "5"
    & skf21("4","4","1","6","3","6","2","1") = "5"
    & skf21("4","4","1","6","3","6","3","1") = "5"
    & skf21("4","4","1","6","3","6","4","1") = "5"
    & skf21("4","4","1","6","3","6","5","1") = "5"
    & skf21("4","4","1","6","3","6","6","1") = "5"
    & skf21("4","4","1","6","3","6","7","1") = "6"
    & skf21("4","4","1","6","3","7","1","1") = "6"
    & skf21("4","4","1","6","3","7","2","1") = "6"
    & skf21("4","4","1","6","3","7","3","1") = "6"
    & skf21("4","4","1","6","3","7","4","1") = "6"
    & skf21("4","4","1","6","3","7","5","1") = "6"
    & skf21("4","4","1","6","3","7","6","1") = "6"
    & skf21("4","4","1","6","3","7","7","1") = "6"
    & skf21("4","4","1","6","4","1","1","1") = "5"
    & skf21("4","4","1","6","4","1","2","1") = "5"
    & skf21("4","4","1","6","4","1","3","1") = "5"
    & skf21("4","4","1","6","4","1","4","1") = "5"
    & skf21("4","4","1","6","4","1","5","1") = "5"
    & skf21("4","4","1","6","4","1","6","1") = "5"
    & skf21("4","4","1","6","4","1","7","1") = "6"
    & skf21("4","4","1","6","4","2","1","1") = "5"
    & skf21("4","4","1","6","4","2","2","1") = "5"
    & skf21("4","4","1","6","4","2","3","1") = "5"
    & skf21("4","4","1","6","4","2","4","1") = "5"
    & skf21("4","4","1","6","4","2","5","1") = "5"
    & skf21("4","4","1","6","4","2","6","1") = "5"
    & skf21("4","4","1","6","4","2","7","1") = "6"
    & skf21("4","4","1","6","4","3","1","1") = "5"
    & skf21("4","4","1","6","4","3","2","1") = "5"
    & skf21("4","4","1","6","4","3","3","1") = "5"
    & skf21("4","4","1","6","4","3","4","1") = "5"
    & skf21("4","4","1","6","4","3","5","1") = "5"
    & skf21("4","4","1","6","4","3","6","1") = "5"
    & skf21("4","4","1","6","4","3","7","1") = "6"
    & skf21("4","4","1","6","4","4","1","1") = "5"
    & skf21("4","4","1","6","4","4","2","1") = "5"
    & skf21("4","4","1","6","4","4","3","1") = "5"
    & skf21("4","4","1","6","4","4","4","1") = "5"
    & skf21("4","4","1","6","4","4","5","1") = "5"
    & skf21("4","4","1","6","4","4","6","1") = "5"
    & skf21("4","4","1","6","4","4","7","1") = "6"
    & skf21("4","4","1","6","4","5","1","1") = "5"
    & skf21("4","4","1","6","4","5","2","1") = "5"
    & skf21("4","4","1","6","4","5","3","1") = "5"
    & skf21("4","4","1","6","4","5","4","1") = "5"
    & skf21("4","4","1","6","4","5","5","1") = "5"
    & skf21("4","4","1","6","4","5","6","1") = "5"
    & skf21("4","4","1","6","4","5","7","1") = "6"
    & skf21("4","4","1","6","4","6","1","1") = "5"
    & skf21("4","4","1","6","4","6","2","1") = "5"
    & skf21("4","4","1","6","4","6","3","1") = "5"
    & skf21("4","4","1","6","4","6","4","1") = "5"
    & skf21("4","4","1","6","4","6","5","1") = "5"
    & skf21("4","4","1","6","4","6","6","1") = "5"
    & skf21("4","4","1","6","4","6","7","1") = "6"
    & skf21("4","4","1","6","4","7","1","1") = "6"
    & skf21("4","4","1","6","4","7","2","1") = "6"
    & skf21("4","4","1","6","4","7","3","1") = "6"
    & skf21("4","4","1","6","4","7","4","1") = "6"
    & skf21("4","4","1","6","4","7","5","1") = "6"
    & skf21("4","4","1","6","4","7","6","1") = "6"
    & skf21("4","4","1","6","4","7","7","1") = "6"
    & skf21("4","4","1","6","5","1","1","1") = "5"
    & skf21("4","4","1","6","5","1","2","1") = "5"
    & skf21("4","4","1","6","5","1","3","1") = "5"
    & skf21("4","4","1","6","5","1","4","1") = "5"
    & skf21("4","4","1","6","5","1","5","1") = "5"
    & skf21("4","4","1","6","5","1","6","1") = "5"
    & skf21("4","4","1","6","5","1","7","1") = "6"
    & skf21("4","4","1","6","5","2","1","1") = "5"
    & skf21("4","4","1","6","5","2","2","1") = "5"
    & skf21("4","4","1","6","5","2","3","1") = "5"
    & skf21("4","4","1","6","5","2","4","1") = "5"
    & skf21("4","4","1","6","5","2","5","1") = "5"
    & skf21("4","4","1","6","5","2","6","1") = "5"
    & skf21("4","4","1","6","5","2","7","1") = "6"
    & skf21("4","4","1","6","5","3","1","1") = "5"
    & skf21("4","4","1","6","5","3","2","1") = "5"
    & skf21("4","4","1","6","5","3","3","1") = "5"
    & skf21("4","4","1","6","5","3","4","1") = "5"
    & skf21("4","4","1","6","5","3","5","1") = "5"
    & skf21("4","4","1","6","5","3","6","1") = "5"
    & skf21("4","4","1","6","5","3","7","1") = "6"
    & skf21("4","4","1","6","5","4","1","1") = "5"
    & skf21("4","4","1","6","5","4","2","1") = "5"
    & skf21("4","4","1","6","5","4","3","1") = "5"
    & skf21("4","4","1","6","5","4","4","1") = "5"
    & skf21("4","4","1","6","5","4","5","1") = "5"
    & skf21("4","4","1","6","5","4","6","1") = "5"
    & skf21("4","4","1","6","5","4","7","1") = "6"
    & skf21("4","4","1","6","5","5","1","1") = "5"
    & skf21("4","4","1","6","5","5","2","1") = "5"
    & skf21("4","4","1","6","5","5","3","1") = "5"
    & skf21("4","4","1","6","5","5","4","1") = "5"
    & skf21("4","4","1","6","5","5","5","1") = "5"
    & skf21("4","4","1","6","5","5","6","1") = "5"
    & skf21("4","4","1","6","5","5","7","1") = "6"
    & skf21("4","4","1","6","5","6","1","1") = "5"
    & skf21("4","4","1","6","5","6","2","1") = "5"
    & skf21("4","4","1","6","5","6","3","1") = "5"
    & skf21("4","4","1","6","5","6","4","1") = "5"
    & skf21("4","4","1","6","5","6","5","1") = "5"
    & skf21("4","4","1","6","5","6","6","1") = "5"
    & skf21("4","4","1","6","5","6","7","1") = "6"
    & skf21("4","4","1","6","5","7","1","1") = "6"
    & skf21("4","4","1","6","5","7","2","1") = "6"
    & skf21("4","4","1","6","5","7","3","1") = "6"
    & skf21("4","4","1","6","5","7","4","1") = "6"
    & skf21("4","4","1","6","5","7","5","1") = "6"
    & skf21("4","4","1","6","5","7","6","1") = "6"
    & skf21("4","4","1","6","5","7","7","1") = "6"
    & skf21("4","4","1","6","6","1","1","1") = "5"
    & skf21("4","4","1","6","6","1","2","1") = "5"
    & skf21("4","4","1","6","6","1","3","1") = "5"
    & skf21("4","4","1","6","6","1","4","1") = "5"
    & skf21("4","4","1","6","6","1","5","1") = "5"
    & skf21("4","4","1","6","6","1","6","1") = "5"
    & skf21("4","4","1","6","6","1","7","1") = "6"
    & skf21("4","4","1","6","6","2","1","1") = "5"
    & skf21("4","4","1","6","6","2","2","1") = "5"
    & skf21("4","4","1","6","6","2","3","1") = "5"
    & skf21("4","4","1","6","6","2","4","1") = "5"
    & skf21("4","4","1","6","6","2","5","1") = "5"
    & skf21("4","4","1","6","6","2","6","1") = "5"
    & skf21("4","4","1","6","6","2","7","1") = "6"
    & skf21("4","4","1","6","6","3","1","1") = "5"
    & skf21("4","4","1","6","6","3","2","1") = "5"
    & skf21("4","4","1","6","6","3","3","1") = "5"
    & skf21("4","4","1","6","6","3","4","1") = "5"
    & skf21("4","4","1","6","6","3","5","1") = "5"
    & skf21("4","4","1","6","6","3","6","1") = "5"
    & skf21("4","4","1","6","6","3","7","1") = "6"
    & skf21("4","4","1","6","6","4","1","1") = "5"
    & skf21("4","4","1","6","6","4","2","1") = "5"
    & skf21("4","4","1","6","6","4","3","1") = "5"
    & skf21("4","4","1","6","6","4","4","1") = "5"
    & skf21("4","4","1","6","6","4","5","1") = "5"
    & skf21("4","4","1","6","6","4","6","1") = "5"
    & skf21("4","4","1","6","6","4","7","1") = "6"
    & skf21("4","4","1","6","6","5","1","1") = "5"
    & skf21("4","4","1","6","6","5","2","1") = "5"
    & skf21("4","4","1","6","6","5","3","1") = "5"
    & skf21("4","4","1","6","6","5","4","1") = "5"
    & skf21("4","4","1","6","6","5","5","1") = "5"
    & skf21("4","4","1","6","6","5","6","1") = "5"
    & skf21("4","4","1","6","6","5","7","1") = "6"
    & skf21("4","4","1","6","6","6","1","1") = "5"
    & skf21("4","4","1","6","6","6","2","1") = "5"
    & skf21("4","4","1","6","6","6","3","1") = "5"
    & skf21("4","4","1","6","6","6","4","1") = "5"
    & skf21("4","4","1","6","6","6","5","1") = "5"
    & skf21("4","4","1","6","6","6","6","1") = "5"
    & skf21("4","4","1","6","6","6","7","1") = "6"
    & skf21("4","4","1","6","6","7","1","1") = "6"
    & skf21("4","4","1","6","6","7","2","1") = "6"
    & skf21("4","4","1","6","6","7","3","1") = "6"
    & skf21("4","4","1","6","6","7","4","1") = "6"
    & skf21("4","4","1","6","6","7","5","1") = "6"
    & skf21("4","4","1","6","6","7","6","1") = "6"
    & skf21("4","4","1","6","6","7","7","1") = "6"
    & skf21("4","4","1","6","7","1","1","1") = "6"
    & skf21("4","4","1","6","7","1","2","1") = "6"
    & skf21("4","4","1","6","7","1","3","1") = "6"
    & skf21("4","4","1","6","7","1","4","1") = "6"
    & skf21("4","4","1","6","7","1","5","1") = "6"
    & skf21("4","4","1","6","7","1","6","1") = "6"
    & skf21("4","4","1","6","7","1","7","1") = "6"
    & skf21("4","4","1","6","7","2","1","1") = "6"
    & skf21("4","4","1","6","7","2","2","1") = "6"
    & skf21("4","4","1","6","7","2","3","1") = "6"
    & skf21("4","4","1","6","7","2","4","1") = "6"
    & skf21("4","4","1","6","7","2","5","1") = "6"
    & skf21("4","4","1","6","7","2","6","1") = "6"
    & skf21("4","4","1","6","7","2","7","1") = "6"
    & skf21("4","4","1","6","7","3","1","1") = "6"
    & skf21("4","4","1","6","7","3","2","1") = "6"
    & skf21("4","4","1","6","7","3","3","1") = "6"
    & skf21("4","4","1","6","7","3","4","1") = "6"
    & skf21("4","4","1","6","7","3","5","1") = "6"
    & skf21("4","4","1","6","7","3","6","1") = "6"
    & skf21("4","4","1","6","7","3","7","1") = "6"
    & skf21("4","4","1","6","7","4","1","1") = "6"
    & skf21("4","4","1","6","7","4","2","1") = "6"
    & skf21("4","4","1","6","7","4","3","1") = "6"
    & skf21("4","4","1","6","7","4","4","1") = "6"
    & skf21("4","4","1","6","7","4","5","1") = "6"
    & skf21("4","4","1","6","7","4","6","1") = "6"
    & skf21("4","4","1","6","7","4","7","1") = "6"
    & skf21("4","4","1","6","7","5","1","1") = "6"
    & skf21("4","4","1","6","7","5","2","1") = "6"
    & skf21("4","4","1","6","7","5","3","1") = "6"
    & skf21("4","4","1","6","7","5","4","1") = "6"
    & skf21("4","4","1","6","7","5","5","1") = "6"
    & skf21("4","4","1","6","7","5","6","1") = "6"
    & skf21("4","4","1","6","7","5","7","1") = "6"
    & skf21("4","4","1","6","7","6","1","1") = "6"
    & skf21("4","4","1","6","7","6","2","1") = "6"
    & skf21("4","4","1","6","7","6","3","1") = "6"
    & skf21("4","4","1","6","7","6","4","1") = "6"
    & skf21("4","4","1","6","7","6","5","1") = "6"
    & skf21("4","4","1","6","7","6","6","1") = "6"
    & skf21("4","4","1","6","7","6","7","1") = "6"
    & skf21("4","4","1","6","7","7","1","1") = "6"
    & skf21("4","4","1","6","7","7","2","1") = "6"
    & skf21("4","4","1","6","7","7","3","1") = "6"
    & skf21("4","4","1","6","7","7","4","1") = "6"
    & skf21("4","4","1","6","7","7","5","1") = "6"
    & skf21("4","4","1","6","7","7","6","1") = "6"
    & skf21("4","4","1","6","7","7","7","1") = "6"
    & skf21("4","4","1","7","1","1","1","1") = "6"
    & skf21("4","4","1","7","1","1","2","1") = "6"
    & skf21("4","4","1","7","1","1","3","1") = "6"
    & skf21("4","4","1","7","1","1","4","1") = "6"
    & skf21("4","4","1","7","1","1","5","1") = "6"
    & skf21("4","4","1","7","1","1","6","1") = "6"
    & skf21("4","4","1","7","1","1","7","1") = "6"
    & skf21("4","4","1","7","1","2","1","1") = "6"
    & skf21("4","4","1","7","1","2","2","1") = "6"
    & skf21("4","4","1","7","1","2","3","1") = "6"
    & skf21("4","4","1","7","1","2","4","1") = "6"
    & skf21("4","4","1","7","1","2","5","1") = "6"
    & skf21("4","4","1","7","1","2","6","1") = "6"
    & skf21("4","4","1","7","1","2","7","1") = "6"
    & skf21("4","4","1","7","1","3","1","1") = "6"
    & skf21("4","4","1","7","1","3","2","1") = "6"
    & skf21("4","4","1","7","1","3","3","1") = "6"
    & skf21("4","4","1","7","1","3","4","1") = "6"
    & skf21("4","4","1","7","1","3","5","1") = "6"
    & skf21("4","4","1","7","1","3","6","1") = "6"
    & skf21("4","4","1","7","1","3","7","1") = "6"
    & skf21("4","4","1","7","1","4","1","1") = "6"
    & skf21("4","4","1","7","1","4","2","1") = "6"
    & skf21("4","4","1","7","1","4","3","1") = "6"
    & skf21("4","4","1","7","1","4","4","1") = "6"
    & skf21("4","4","1","7","1","4","5","1") = "6"
    & skf21("4","4","1","7","1","4","6","1") = "6"
    & skf21("4","4","1","7","1","4","7","1") = "6"
    & skf21("4","4","1","7","1","5","1","1") = "6"
    & skf21("4","4","1","7","1","5","2","1") = "6"
    & skf21("4","4","1","7","1","5","3","1") = "6"
    & skf21("4","4","1","7","1","5","4","1") = "6"
    & skf21("4","4","1","7","1","5","5","1") = "6"
    & skf21("4","4","1","7","1","5","6","1") = "6"
    & skf21("4","4","1","7","1","5","7","1") = "6"
    & skf21("4","4","1","7","1","6","1","1") = "6"
    & skf21("4","4","1","7","1","6","2","1") = "6"
    & skf21("4","4","1","7","1","6","3","1") = "6"
    & skf21("4","4","1","7","1","6","4","1") = "6"
    & skf21("4","4","1","7","1","6","5","1") = "6"
    & skf21("4","4","1","7","1","6","6","1") = "6"
    & skf21("4","4","1","7","1","6","7","1") = "6"
    & skf21("4","4","1","7","1","7","1","1") = "6"
    & skf21("4","4","1","7","1","7","2","1") = "6"
    & skf21("4","4","1","7","1","7","3","1") = "6"
    & skf21("4","4","1","7","1","7","4","1") = "6"
    & skf21("4","4","1","7","1","7","5","1") = "6"
    & skf21("4","4","1","7","1","7","6","1") = "6"
    & skf21("4","4","1","7","1","7","7","1") = "6"
    & skf21("4","4","1","7","2","1","1","1") = "6"
    & skf21("4","4","1","7","2","1","2","1") = "6"
    & skf21("4","4","1","7","2","1","3","1") = "6"
    & skf21("4","4","1","7","2","1","4","1") = "6"
    & skf21("4","4","1","7","2","1","5","1") = "6"
    & skf21("4","4","1","7","2","1","6","1") = "6"
    & skf21("4","4","1","7","2","1","7","1") = "6"
    & skf21("4","4","1","7","2","2","1","1") = "6"
    & skf21("4","4","1","7","2","2","2","1") = "6"
    & skf21("4","4","1","7","2","2","3","1") = "6"
    & skf21("4","4","1","7","2","2","4","1") = "6"
    & skf21("4","4","1","7","2","2","5","1") = "6"
    & skf21("4","4","1","7","2","2","6","1") = "6"
    & skf21("4","4","1","7","2","2","7","1") = "6"
    & skf21("4","4","1","7","2","3","1","1") = "6"
    & skf21("4","4","1","7","2","3","2","1") = "6"
    & skf21("4","4","1","7","2","3","3","1") = "6"
    & skf21("4","4","1","7","2","3","4","1") = "6"
    & skf21("4","4","1","7","2","3","5","1") = "6"
    & skf21("4","4","1","7","2","3","6","1") = "6"
    & skf21("4","4","1","7","2","3","7","1") = "6"
    & skf21("4","4","1","7","2","4","1","1") = "6"
    & skf21("4","4","1","7","2","4","2","1") = "6"
    & skf21("4","4","1","7","2","4","3","1") = "6"
    & skf21("4","4","1","7","2","4","4","1") = "6"
    & skf21("4","4","1","7","2","4","5","1") = "6"
    & skf21("4","4","1","7","2","4","6","1") = "6"
    & skf21("4","4","1","7","2","4","7","1") = "6"
    & skf21("4","4","1","7","2","5","1","1") = "6"
    & skf21("4","4","1","7","2","5","2","1") = "6"
    & skf21("4","4","1","7","2","5","3","1") = "6"
    & skf21("4","4","1","7","2","5","4","1") = "6"
    & skf21("4","4","1","7","2","5","5","1") = "6"
    & skf21("4","4","1","7","2","5","6","1") = "6"
    & skf21("4","4","1","7","2","5","7","1") = "6"
    & skf21("4","4","1","7","2","6","1","1") = "6"
    & skf21("4","4","1","7","2","6","2","1") = "6"
    & skf21("4","4","1","7","2","6","3","1") = "6"
    & skf21("4","4","1","7","2","6","4","1") = "6"
    & skf21("4","4","1","7","2","6","5","1") = "6"
    & skf21("4","4","1","7","2","6","6","1") = "6"
    & skf21("4","4","1","7","2","6","7","1") = "6"
    & skf21("4","4","1","7","2","7","1","1") = "6"
    & skf21("4","4","1","7","2","7","2","1") = "6"
    & skf21("4","4","1","7","2","7","3","1") = "6"
    & skf21("4","4","1","7","2","7","4","1") = "6"
    & skf21("4","4","1","7","2","7","5","1") = "6"
    & skf21("4","4","1","7","2","7","6","1") = "6"
    & skf21("4","4","1","7","2","7","7","1") = "6"
    & skf21("4","4","1","7","3","1","1","1") = "6"
    & skf21("4","4","1","7","3","1","2","1") = "6"
    & skf21("4","4","1","7","3","1","3","1") = "6"
    & skf21("4","4","1","7","3","1","4","1") = "6"
    & skf21("4","4","1","7","3","1","5","1") = "6"
    & skf21("4","4","1","7","3","1","6","1") = "6"
    & skf21("4","4","1","7","3","1","7","1") = "6"
    & skf21("4","4","1","7","3","2","1","1") = "6"
    & skf21("4","4","1","7","3","2","2","1") = "6"
    & skf21("4","4","1","7","3","2","3","1") = "6"
    & skf21("4","4","1","7","3","2","4","1") = "6"
    & skf21("4","4","1","7","3","2","5","1") = "6"
    & skf21("4","4","1","7","3","2","6","1") = "6"
    & skf21("4","4","1","7","3","2","7","1") = "6"
    & skf21("4","4","1","7","3","3","1","1") = "6"
    & skf21("4","4","1","7","3","3","2","1") = "6"
    & skf21("4","4","1","7","3","3","3","1") = "6"
    & skf21("4","4","1","7","3","3","4","1") = "6"
    & skf21("4","4","1","7","3","3","5","1") = "6"
    & skf21("4","4","1","7","3","3","6","1") = "6"
    & skf21("4","4","1","7","3","3","7","1") = "6"
    & skf21("4","4","1","7","3","4","1","1") = "6"
    & skf21("4","4","1","7","3","4","2","1") = "6"
    & skf21("4","4","1","7","3","4","3","1") = "6"
    & skf21("4","4","1","7","3","4","4","1") = "6"
    & skf21("4","4","1","7","3","4","5","1") = "6"
    & skf21("4","4","1","7","3","4","6","1") = "6"
    & skf21("4","4","1","7","3","4","7","1") = "6"
    & skf21("4","4","1","7","3","5","1","1") = "6"
    & skf21("4","4","1","7","3","5","2","1") = "6"
    & skf21("4","4","1","7","3","5","3","1") = "6"
    & skf21("4","4","1","7","3","5","4","1") = "6"
    & skf21("4","4","1","7","3","5","5","1") = "6"
    & skf21("4","4","1","7","3","5","6","1") = "6"
    & skf21("4","4","1","7","3","5","7","1") = "6"
    & skf21("4","4","1","7","3","6","1","1") = "6"
    & skf21("4","4","1","7","3","6","2","1") = "6"
    & skf21("4","4","1","7","3","6","3","1") = "6"
    & skf21("4","4","1","7","3","6","4","1") = "6"
    & skf21("4","4","1","7","3","6","5","1") = "6"
    & skf21("4","4","1","7","3","6","6","1") = "6"
    & skf21("4","4","1","7","3","6","7","1") = "6"
    & skf21("4","4","1","7","3","7","1","1") = "6"
    & skf21("4","4","1","7","3","7","2","1") = "6"
    & skf21("4","4","1","7","3","7","3","1") = "6"
    & skf21("4","4","1","7","3","7","4","1") = "6"
    & skf21("4","4","1","7","3","7","5","1") = "6"
    & skf21("4","4","1","7","3","7","6","1") = "6"
    & skf21("4","4","1","7","3","7","7","1") = "6"
    & skf21("4","4","1","7","4","1","1","1") = "6"
    & skf21("4","4","1","7","4","1","2","1") = "6"
    & skf21("4","4","1","7","4","1","3","1") = "6"
    & skf21("4","4","1","7","4","1","4","1") = "6"
    & skf21("4","4","1","7","4","1","5","1") = "6"
    & skf21("4","4","1","7","4","1","6","1") = "6"
    & skf21("4","4","1","7","4","1","7","1") = "6"
    & skf21("4","4","1","7","4","2","1","1") = "6"
    & skf21("4","4","1","7","4","2","2","1") = "6"
    & skf21("4","4","1","7","4","2","3","1") = "6"
    & skf21("4","4","1","7","4","2","4","1") = "6"
    & skf21("4","4","1","7","4","2","5","1") = "6"
    & skf21("4","4","1","7","4","2","6","1") = "6"
    & skf21("4","4","1","7","4","2","7","1") = "6"
    & skf21("4","4","1","7","4","3","1","1") = "6"
    & skf21("4","4","1","7","4","3","2","1") = "6"
    & skf21("4","4","1","7","4","3","3","1") = "6"
    & skf21("4","4","1","7","4","3","4","1") = "6"
    & skf21("4","4","1","7","4","3","5","1") = "6"
    & skf21("4","4","1","7","4","3","6","1") = "6"
    & skf21("4","4","1","7","4","3","7","1") = "6"
    & skf21("4","4","1","7","4","4","1","1") = "6"
    & skf21("4","4","1","7","4","4","2","1") = "6"
    & skf21("4","4","1","7","4","4","3","1") = "6"
    & skf21("4","4","1","7","4","4","4","1") = "6"
    & skf21("4","4","1","7","4","4","5","1") = "6"
    & skf21("4","4","1","7","4","4","6","1") = "6"
    & skf21("4","4","1","7","4","4","7","1") = "6"
    & skf21("4","4","1","7","4","5","1","1") = "6"
    & skf21("4","4","1","7","4","5","2","1") = "6"
    & skf21("4","4","1","7","4","5","3","1") = "6"
    & skf21("4","4","1","7","4","5","4","1") = "6"
    & skf21("4","4","1","7","4","5","5","1") = "6"
    & skf21("4","4","1","7","4","5","6","1") = "6"
    & skf21("4","4","1","7","4","5","7","1") = "6"
    & skf21("4","4","1","7","4","6","1","1") = "6"
    & skf21("4","4","1","7","4","6","2","1") = "6"
    & skf21("4","4","1","7","4","6","3","1") = "6"
    & skf21("4","4","1","7","4","6","4","1") = "6"
    & skf21("4","4","1","7","4","6","5","1") = "6"
    & skf21("4","4","1","7","4","6","6","1") = "6"
    & skf21("4","4","1","7","4","6","7","1") = "6"
    & skf21("4","4","1","7","4","7","1","1") = "6"
    & skf21("4","4","1","7","4","7","2","1") = "6"
    & skf21("4","4","1","7","4","7","3","1") = "6"
    & skf21("4","4","1","7","4","7","4","1") = "6"
    & skf21("4","4","1","7","4","7","5","1") = "6"
    & skf21("4","4","1","7","4","7","6","1") = "6"
    & skf21("4","4","1","7","4","7","7","1") = "6"
    & skf21("4","4","1","7","5","1","1","1") = "6"
    & skf21("4","4","1","7","5","1","2","1") = "6"
    & skf21("4","4","1","7","5","1","3","1") = "6"
    & skf21("4","4","1","7","5","1","4","1") = "6"
    & skf21("4","4","1","7","5","1","5","1") = "6"
    & skf21("4","4","1","7","5","1","6","1") = "6"
    & skf21("4","4","1","7","5","1","7","1") = "6"
    & skf21("4","4","1","7","5","2","1","1") = "6"
    & skf21("4","4","1","7","5","2","2","1") = "6"
    & skf21("4","4","1","7","5","2","3","1") = "6"
    & skf21("4","4","1","7","5","2","4","1") = "6"
    & skf21("4","4","1","7","5","2","5","1") = "6"
    & skf21("4","4","1","7","5","2","6","1") = "6"
    & skf21("4","4","1","7","5","2","7","1") = "6"
    & skf21("4","4","1","7","5","3","1","1") = "6"
    & skf21("4","4","1","7","5","3","2","1") = "6"
    & skf21("4","4","1","7","5","3","3","1") = "6"
    & skf21("4","4","1","7","5","3","4","1") = "6"
    & skf21("4","4","1","7","5","3","5","1") = "6"
    & skf21("4","4","1","7","5","3","6","1") = "6"
    & skf21("4","4","1","7","5","3","7","1") = "6"
    & skf21("4","4","1","7","5","4","1","1") = "6"
    & skf21("4","4","1","7","5","4","2","1") = "6"
    & skf21("4","4","1","7","5","4","3","1") = "6"
    & skf21("4","4","1","7","5","4","4","1") = "6"
    & skf21("4","4","1","7","5","4","5","1") = "6"
    & skf21("4","4","1","7","5","4","6","1") = "6"
    & skf21("4","4","1","7","5","4","7","1") = "6"
    & skf21("4","4","1","7","5","5","1","1") = "6"
    & skf21("4","4","1","7","5","5","2","1") = "6"
    & skf21("4","4","1","7","5","5","3","1") = "6"
    & skf21("4","4","1","7","5","5","4","1") = "6"
    & skf21("4","4","1","7","5","5","5","1") = "6"
    & skf21("4","4","1","7","5","5","6","1") = "6"
    & skf21("4","4","1","7","5","5","7","1") = "6"
    & skf21("4","4","1","7","5","6","1","1") = "6"
    & skf21("4","4","1","7","5","6","2","1") = "6"
    & skf21("4","4","1","7","5","6","3","1") = "6"
    & skf21("4","4","1","7","5","6","4","1") = "6"
    & skf21("4","4","1","7","5","6","5","1") = "6"
    & skf21("4","4","1","7","5","6","6","1") = "6"
    & skf21("4","4","1","7","5","6","7","1") = "6"
    & skf21("4","4","1","7","5","7","1","1") = "6"
    & skf21("4","4","1","7","5","7","2","1") = "6"
    & skf21("4","4","1","7","5","7","3","1") = "6"
    & skf21("4","4","1","7","5","7","4","1") = "6"
    & skf21("4","4","1","7","5","7","5","1") = "6"
    & skf21("4","4","1","7","5","7","6","1") = "6"
    & skf21("4","4","1","7","5","7","7","1") = "6"
    & skf21("4","4","1","7","6","1","1","1") = "6"
    & skf21("4","4","1","7","6","1","2","1") = "6"
    & skf21("4","4","1","7","6","1","3","1") = "6"
    & skf21("4","4","1","7","6","1","4","1") = "6"
    & skf21("4","4","1","7","6","1","5","1") = "6"
    & skf21("4","4","1","7","6","1","6","1") = "6"
    & skf21("4","4","1","7","6","1","7","1") = "6"
    & skf21("4","4","1","7","6","2","1","1") = "6"
    & skf21("4","4","1","7","6","2","2","1") = "6"
    & skf21("4","4","1","7","6","2","3","1") = "6"
    & skf21("4","4","1","7","6","2","4","1") = "6"
    & skf21("4","4","1","7","6","2","5","1") = "6"
    & skf21("4","4","1","7","6","2","6","1") = "6"
    & skf21("4","4","1","7","6","2","7","1") = "6"
    & skf21("4","4","1","7","6","3","1","1") = "6"
    & skf21("4","4","1","7","6","3","2","1") = "6"
    & skf21("4","4","1","7","6","3","3","1") = "6"
    & skf21("4","4","1","7","6","3","4","1") = "6"
    & skf21("4","4","1","7","6","3","5","1") = "6"
    & skf21("4","4","1","7","6","3","6","1") = "6"
    & skf21("4","4","1","7","6","3","7","1") = "6"
    & skf21("4","4","1","7","6","4","1","1") = "6"
    & skf21("4","4","1","7","6","4","2","1") = "6"
    & skf21("4","4","1","7","6","4","3","1") = "6"
    & skf21("4","4","1","7","6","4","4","1") = "6"
    & skf21("4","4","1","7","6","4","5","1") = "6"
    & skf21("4","4","1","7","6","4","6","1") = "6"
    & skf21("4","4","1","7","6","4","7","1") = "6"
    & skf21("4","4","1","7","6","5","1","1") = "6"
    & skf21("4","4","1","7","6","5","2","1") = "6"
    & skf21("4","4","1","7","6","5","3","1") = "6"
    & skf21("4","4","1","7","6","5","4","1") = "6"
    & skf21("4","4","1","7","6","5","5","1") = "6"
    & skf21("4","4","1","7","6","5","6","1") = "6"
    & skf21("4","4","1","7","6","5","7","1") = "6"
    & skf21("4","4","1","7","6","6","1","1") = "6"
    & skf21("4","4","1","7","6","6","2","1") = "6"
    & skf21("4","4","1","7","6","6","3","1") = "6"
    & skf21("4","4","1","7","6","6","4","1") = "6"
    & skf21("4","4","1","7","6","6","5","1") = "6"
    & skf21("4","4","1","7","6","6","6","1") = "6"
    & skf21("4","4","1","7","6","6","7","1") = "6"
    & skf21("4","4","1","7","6","7","1","1") = "6"
    & skf21("4","4","1","7","6","7","2","1") = "6"
    & skf21("4","4","1","7","6","7","3","1") = "6"
    & skf21("4","4","1","7","6","7","4","1") = "6"
    & skf21("4","4","1","7","6","7","5","1") = "6"
    & skf21("4","4","1","7","6","7","6","1") = "6"
    & skf21("4","4","1","7","6","7","7","1") = "6"
    & skf21("4","4","1","7","7","1","1","1") = "6"
    & skf21("4","4","1","7","7","1","2","1") = "6"
    & skf21("4","4","1","7","7","1","3","1") = "6"
    & skf21("4","4","1","7","7","1","4","1") = "6"
    & skf21("4","4","1","7","7","1","5","1") = "6"
    & skf21("4","4","1","7","7","1","6","1") = "6"
    & skf21("4","4","1","7","7","1","7","1") = "6"
    & skf21("4","4","1","7","7","2","1","1") = "6"
    & skf21("4","4","1","7","7","2","2","1") = "6"
    & skf21("4","4","1","7","7","2","3","1") = "6"
    & skf21("4","4","1","7","7","2","4","1") = "6"
    & skf21("4","4","1","7","7","2","5","1") = "6"
    & skf21("4","4","1","7","7","2","6","1") = "6"
    & skf21("4","4","1","7","7","2","7","1") = "6"
    & skf21("4","4","1","7","7","3","1","1") = "6"
    & skf21("4","4","1","7","7","3","2","1") = "6"
    & skf21("4","4","1","7","7","3","3","1") = "6"
    & skf21("4","4","1","7","7","3","4","1") = "6"
    & skf21("4","4","1","7","7","3","5","1") = "6"
    & skf21("4","4","1","7","7","3","6","1") = "6"
    & skf21("4","4","1","7","7","3","7","1") = "6"
    & skf21("4","4","1","7","7","4","1","1") = "6"
    & skf21("4","4","1","7","7","4","2","1") = "6"
    & skf21("4","4","1","7","7","4","3","1") = "6"
    & skf21("4","4","1","7","7","4","4","1") = "6"
    & skf21("4","4","1","7","7","4","5","1") = "6"
    & skf21("4","4","1","7","7","4","6","1") = "6"
    & skf21("4","4","1","7","7","4","7","1") = "6"
    & skf21("4","4","1","7","7","5","1","1") = "6"
    & skf21("4","4","1","7","7","5","2","1") = "6"
    & skf21("4","4","1","7","7","5","3","1") = "6"
    & skf21("4","4","1","7","7","5","4","1") = "6"
    & skf21("4","4","1","7","7","5","5","1") = "6"
    & skf21("4","4","1","7","7","5","6","1") = "6"
    & skf21("4","4","1","7","7","5","7","1") = "6"
    & skf21("4","4","1","7","7","6","1","1") = "6"
    & skf21("4","4","1","7","7","6","2","1") = "6"
    & skf21("4","4","1","7","7","6","3","1") = "6"
    & skf21("4","4","1","7","7","6","4","1") = "6"
    & skf21("4","4","1","7","7","6","5","1") = "6"
    & skf21("4","4","1","7","7","6","6","1") = "6"
    & skf21("4","4","1","7","7","6","7","1") = "6"
    & skf21("4","4","1","7","7","7","1","1") = "6"
    & skf21("4","4","1","7","7","7","2","1") = "6"
    & skf21("4","4","1","7","7","7","3","1") = "6"
    & skf21("4","4","1","7","7","7","4","1") = "6"
    & skf21("4","4","1","7","7","7","5","1") = "6"
    & skf21("4","4","1","7","7","7","6","1") = "6"
    & skf21("4","4","1","7","7","7","7","1") = "6"
    & skf21("4","4","2","1","1","1","1","1") = "3"
    & skf21("4","4","2","1","1","1","2","1") = "3"
    & skf21("4","4","2","1","1","1","3","1") = "3"
    & skf21("4","4","2","1","1","1","4","1") = "3"
    & skf21("4","4","2","1","1","1","5","1") = "4"
    & skf21("4","4","2","1","1","1","6","1") = "5"
    & skf21("4","4","2","1","1","1","7","1") = "6"
    & skf21("4","4","2","1","1","2","1","1") = "3"
    & skf21("4","4","2","1","1","2","2","1") = "3"
    & skf21("4","4","2","1","1","2","3","1") = "3"
    & skf21("4","4","2","1","1","2","4","1") = "3"
    & skf21("4","4","2","1","1","2","5","1") = "4"
    & skf21("4","4","2","1","1","2","6","1") = "5"
    & skf21("4","4","2","1","1","2","7","1") = "6"
    & skf21("4","4","2","1","1","3","1","1") = "3"
    & skf21("4","4","2","1","1","3","2","1") = "3"
    & skf21("4","4","2","1","1","3","3","1") = "3"
    & skf21("4","4","2","1","1","3","4","1") = "3"
    & skf21("4","4","2","1","1","3","5","1") = "4"
    & skf21("4","4","2","1","1","3","6","1") = "5"
    & skf21("4","4","2","1","1","3","7","1") = "6"
    & skf21("4","4","2","1","1","4","1","1") = "3"
    & skf21("4","4","2","1","1","4","2","1") = "3"
    & skf21("4","4","2","1","1","4","3","1") = "3"
    & skf21("4","4","2","1","1","4","4","1") = "3"
    & skf21("4","4","2","1","1","4","5","1") = "4"
    & skf21("4","4","2","1","1","4","6","1") = "5"
    & skf21("4","4","2","1","1","4","7","1") = "6"
    & skf21("4","4","2","1","1","5","1","1") = "4"
    & skf21("4","4","2","1","1","5","2","1") = "4"
    & skf21("4","4","2","1","1","5","3","1") = "4"
    & skf21("4","4","2","1","1","5","4","1") = "4"
    & skf21("4","4","2","1","1","5","5","1") = "4"
    & skf21("4","4","2","1","1","5","6","1") = "5"
    & skf21("4","4","2","1","1","5","7","1") = "6"
    & skf21("4","4","2","1","1","6","1","1") = "5"
    & skf21("4","4","2","1","1","6","2","1") = "5"
    & skf21("4","4","2","1","1","6","3","1") = "5"
    & skf21("4","4","2","1","1","6","4","1") = "5"
    & skf21("4","4","2","1","1","6","5","1") = "5"
    & skf21("4","4","2","1","1","6","6","1") = "5"
    & skf21("4","4","2","1","1","6","7","1") = "6"
    & skf21("4","4","2","1","1","7","1","1") = "6"
    & skf21("4","4","2","1","1","7","2","1") = "6"
    & skf21("4","4","2","1","1","7","3","1") = "6"
    & skf21("4","4","2","1","1","7","4","1") = "6"
    & skf21("4","4","2","1","1","7","5","1") = "6"
    & skf21("4","4","2","1","1","7","6","1") = "6"
    & skf21("4","4","2","1","1","7","7","1") = "6"
    & skf21("4","4","2","1","2","1","1","1") = "3"
    & skf21("4","4","2","1","2","1","2","1") = "3"
    & skf21("4","4","2","1","2","1","3","1") = "3"
    & skf21("4","4","2","1","2","1","4","1") = "3"
    & skf21("4","4","2","1","2","1","5","1") = "4"
    & skf21("4","4","2","1","2","1","6","1") = "5"
    & skf21("4","4","2","1","2","1","7","1") = "6"
    & skf21("4","4","2","1","2","2","1","1") = "3"
    & skf21("4","4","2","1","2","2","2","1") = "3"
    & skf21("4","4","2","1","2","2","3","1") = "3"
    & skf21("4","4","2","1","2","2","4","1") = "3"
    & skf21("4","4","2","1","2","2","5","1") = "4"
    & skf21("4","4","2","1","2","2","6","1") = "5"
    & skf21("4","4","2","1","2","2","7","1") = "6"
    & skf21("4","4","2","1","2","3","1","1") = "3"
    & skf21("4","4","2","1","2","3","2","1") = "3"
    & skf21("4","4","2","1","2","3","3","1") = "3"
    & skf21("4","4","2","1","2","3","4","1") = "3"
    & skf21("4","4","2","1","2","3","5","1") = "4"
    & skf21("4","4","2","1","2","3","6","1") = "5"
    & skf21("4","4","2","1","2","3","7","1") = "6"
    & skf21("4","4","2","1","2","4","1","1") = "3"
    & skf21("4","4","2","1","2","4","2","1") = "3"
    & skf21("4","4","2","1","2","4","3","1") = "3"
    & skf21("4","4","2","1","2","4","4","1") = "3"
    & skf21("4","4","2","1","2","4","5","1") = "4"
    & skf21("4","4","2","1","2","4","6","1") = "5"
    & skf21("4","4","2","1","2","4","7","1") = "6"
    & skf21("4","4","2","1","2","5","1","1") = "4"
    & skf21("4","4","2","1","2","5","2","1") = "4"
    & skf21("4","4","2","1","2","5","3","1") = "4"
    & skf21("4","4","2","1","2","5","4","1") = "4"
    & skf21("4","4","2","1","2","5","5","1") = "4"
    & skf21("4","4","2","1","2","5","6","1") = "5"
    & skf21("4","4","2","1","2","5","7","1") = "6"
    & skf21("4","4","2","1","2","6","1","1") = "5"
    & skf21("4","4","2","1","2","6","2","1") = "5"
    & skf21("4","4","2","1","2","6","3","1") = "5"
    & skf21("4","4","2","1","2","6","4","1") = "5"
    & skf21("4","4","2","1","2","6","5","1") = "5"
    & skf21("4","4","2","1","2","6","6","1") = "5"
    & skf21("4","4","2","1","2","6","7","1") = "6"
    & skf21("4","4","2","1","2","7","1","1") = "6"
    & skf21("4","4","2","1","2","7","2","1") = "6"
    & skf21("4","4","2","1","2","7","3","1") = "6"
    & skf21("4","4","2","1","2","7","4","1") = "6"
    & skf21("4","4","2","1","2","7","5","1") = "6"
    & skf21("4","4","2","1","2","7","6","1") = "6"
    & skf21("4","4","2","1","2","7","7","1") = "6"
    & skf21("4","4","2","1","3","1","1","1") = "3"
    & skf21("4","4","2","1","3","1","2","1") = "3"
    & skf21("4","4","2","1","3","1","3","1") = "3"
    & skf21("4","4","2","1","3","1","4","1") = "3"
    & skf21("4","4","2","1","3","1","5","1") = "4"
    & skf21("4","4","2","1","3","1","6","1") = "5"
    & skf21("4","4","2","1","3","1","7","1") = "6"
    & skf21("4","4","2","1","3","2","1","1") = "3"
    & skf21("4","4","2","1","3","2","2","1") = "3"
    & skf21("4","4","2","1","3","2","3","1") = "3"
    & skf21("4","4","2","1","3","2","4","1") = "3"
    & skf21("4","4","2","1","3","2","5","1") = "4"
    & skf21("4","4","2","1","3","2","6","1") = "5"
    & skf21("4","4","2","1","3","2","7","1") = "6"
    & skf21("4","4","2","1","3","3","1","1") = "3"
    & skf21("4","4","2","1","3","3","2","1") = "3"
    & skf21("4","4","2","1","3","3","3","1") = "3"
    & skf21("4","4","2","1","3","3","4","1") = "3"
    & skf21("4","4","2","1","3","3","5","1") = "4"
    & skf21("4","4","2","1","3","3","6","1") = "5"
    & skf21("4","4","2","1","3","3","7","1") = "6"
    & skf21("4","4","2","1","3","4","1","1") = "3"
    & skf21("4","4","2","1","3","4","2","1") = "3"
    & skf21("4","4","2","1","3","4","3","1") = "3"
    & skf21("4","4","2","1","3","4","4","1") = "3"
    & skf21("4","4","2","1","3","4","5","1") = "4"
    & skf21("4","4","2","1","3","4","6","1") = "5"
    & skf21("4","4","2","1","3","4","7","1") = "6"
    & skf21("4","4","2","1","3","5","1","1") = "4"
    & skf21("4","4","2","1","3","5","2","1") = "4"
    & skf21("4","4","2","1","3","5","3","1") = "4"
    & skf21("4","4","2","1","3","5","4","1") = "4"
    & skf21("4","4","2","1","3","5","5","1") = "4"
    & skf21("4","4","2","1","3","5","6","1") = "5"
    & skf21("4","4","2","1","3","5","7","1") = "6"
    & skf21("4","4","2","1","3","6","1","1") = "5"
    & skf21("4","4","2","1","3","6","2","1") = "5"
    & skf21("4","4","2","1","3","6","3","1") = "5"
    & skf21("4","4","2","1","3","6","4","1") = "5"
    & skf21("4","4","2","1","3","6","5","1") = "5"
    & skf21("4","4","2","1","3","6","6","1") = "5"
    & skf21("4","4","2","1","3","6","7","1") = "6"
    & skf21("4","4","2","1","3","7","1","1") = "6"
    & skf21("4","4","2","1","3","7","2","1") = "6"
    & skf21("4","4","2","1","3","7","3","1") = "6"
    & skf21("4","4","2","1","3","7","4","1") = "6"
    & skf21("4","4","2","1","3","7","5","1") = "6"
    & skf21("4","4","2","1","3","7","6","1") = "6"
    & skf21("4","4","2","1","3","7","7","1") = "6"
    & skf21("4","4","2","1","4","1","1","1") = "3"
    & skf21("4","4","2","1","4","1","2","1") = "3"
    & skf21("4","4","2","1","4","1","3","1") = "3"
    & skf21("4","4","2","1","4","1","4","1") = "3"
    & skf21("4","4","2","1","4","1","5","1") = "4"
    & skf21("4","4","2","1","4","1","6","1") = "5"
    & skf21("4","4","2","1","4","1","7","1") = "6"
    & skf21("4","4","2","1","4","2","1","1") = "3"
    & skf21("4","4","2","1","4","2","2","1") = "3"
    & skf21("4","4","2","1","4","2","3","1") = "3"
    & skf21("4","4","2","1","4","2","4","1") = "3"
    & skf21("4","4","2","1","4","2","5","1") = "4"
    & skf21("4","4","2","1","4","2","6","1") = "5"
    & skf21("4","4","2","1","4","2","7","1") = "6"
    & skf21("4","4","2","1","4","3","1","1") = "3"
    & skf21("4","4","2","1","4","3","2","1") = "3"
    & skf21("4","4","2","1","4","3","3","1") = "3"
    & skf21("4","4","2","1","4","3","4","1") = "3"
    & skf21("4","4","2","1","4","3","5","1") = "4"
    & skf21("4","4","2","1","4","3","6","1") = "5"
    & skf21("4","4","2","1","4","3","7","1") = "6"
    & skf21("4","4","2","1","4","4","1","1") = "3"
    & skf21("4","4","2","1","4","4","2","1") = "3"
    & skf21("4","4","2","1","4","4","3","1") = "3"
    & skf21("4","4","2","1","4","4","4","1") = "3"
    & skf21("4","4","2","1","4","4","5","1") = "4"
    & skf21("4","4","2","1","4","4","6","1") = "5"
    & skf21("4","4","2","1","4","4","7","1") = "6"
    & skf21("4","4","2","1","4","5","1","1") = "4"
    & skf21("4","4","2","1","4","5","2","1") = "4"
    & skf21("4","4","2","1","4","5","3","1") = "4"
    & skf21("4","4","2","1","4","5","4","1") = "4"
    & skf21("4","4","2","1","4","5","5","1") = "4"
    & skf21("4","4","2","1","4","5","6","1") = "5"
    & skf21("4","4","2","1","4","5","7","1") = "6"
    & skf21("4","4","2","1","4","6","1","1") = "5"
    & skf21("4","4","2","1","4","6","2","1") = "5"
    & skf21("4","4","2","1","4","6","3","1") = "5"
    & skf21("4","4","2","1","4","6","4","1") = "5"
    & skf21("4","4","2","1","4","6","5","1") = "5"
    & skf21("4","4","2","1","4","6","6","1") = "5"
    & skf21("4","4","2","1","4","6","7","1") = "6"
    & skf21("4","4","2","1","4","7","1","1") = "6"
    & skf21("4","4","2","1","4","7","2","1") = "6"
    & skf21("4","4","2","1","4","7","3","1") = "6"
    & skf21("4","4","2","1","4","7","4","1") = "6"
    & skf21("4","4","2","1","4","7","5","1") = "6"
    & skf21("4","4","2","1","4","7","6","1") = "6"
    & skf21("4","4","2","1","4","7","7","1") = "6"
    & skf21("4","4","2","1","5","1","1","1") = "4"
    & skf21("4","4","2","1","5","1","2","1") = "4"
    & skf21("4","4","2","1","5","1","3","1") = "4"
    & skf21("4","4","2","1","5","1","4","1") = "4"
    & skf21("4","4","2","1","5","1","5","1") = "4"
    & skf21("4","4","2","1","5","1","6","1") = "5"
    & skf21("4","4","2","1","5","1","7","1") = "6"
    & skf21("4","4","2","1","5","2","1","1") = "4"
    & skf21("4","4","2","1","5","2","2","1") = "4"
    & skf21("4","4","2","1","5","2","3","1") = "4"
    & skf21("4","4","2","1","5","2","4","1") = "4"
    & skf21("4","4","2","1","5","2","5","1") = "4"
    & skf21("4","4","2","1","5","2","6","1") = "5"
    & skf21("4","4","2","1","5","2","7","1") = "6"
    & skf21("4","4","2","1","5","3","1","1") = "4"
    & skf21("4","4","2","1","5","3","2","1") = "4"
    & skf21("4","4","2","1","5","3","3","1") = "4"
    & skf21("4","4","2","1","5","3","4","1") = "4"
    & skf21("4","4","2","1","5","3","5","1") = "4"
    & skf21("4","4","2","1","5","3","6","1") = "5"
    & skf21("4","4","2","1","5","3","7","1") = "6"
    & skf21("4","4","2","1","5","4","1","1") = "4"
    & skf21("4","4","2","1","5","4","2","1") = "4"
    & skf21("4","4","2","1","5","4","3","1") = "4"
    & skf21("4","4","2","1","5","4","4","1") = "4"
    & skf21("4","4","2","1","5","4","5","1") = "4"
    & skf21("4","4","2","1","5","4","6","1") = "5"
    & skf21("4","4","2","1","5","4","7","1") = "6"
    & skf21("4","4","2","1","5","5","1","1") = "4"
    & skf21("4","4","2","1","5","5","2","1") = "4"
    & skf21("4","4","2","1","5","5","3","1") = "4"
    & skf21("4","4","2","1","5","5","4","1") = "4"
    & skf21("4","4","2","1","5","5","5","1") = "4"
    & skf21("4","4","2","1","5","5","6","1") = "5"
    & skf21("4","4","2","1","5","5","7","1") = "6"
    & skf21("4","4","2","1","5","6","1","1") = "5"
    & skf21("4","4","2","1","5","6","2","1") = "5"
    & skf21("4","4","2","1","5","6","3","1") = "5"
    & skf21("4","4","2","1","5","6","4","1") = "5"
    & skf21("4","4","2","1","5","6","5","1") = "5"
    & skf21("4","4","2","1","5","6","6","1") = "5"
    & skf21("4","4","2","1","5","6","7","1") = "6"
    & skf21("4","4","2","1","5","7","1","1") = "6"
    & skf21("4","4","2","1","5","7","2","1") = "6"
    & skf21("4","4","2","1","5","7","3","1") = "6"
    & skf21("4","4","2","1","5","7","4","1") = "6"
    & skf21("4","4","2","1","5","7","5","1") = "6"
    & skf21("4","4","2","1","5","7","6","1") = "6"
    & skf21("4","4","2","1","5","7","7","1") = "6"
    & skf21("4","4","2","1","6","1","1","1") = "5"
    & skf21("4","4","2","1","6","1","2","1") = "5"
    & skf21("4","4","2","1","6","1","3","1") = "5"
    & skf21("4","4","2","1","6","1","4","1") = "5"
    & skf21("4","4","2","1","6","1","5","1") = "5"
    & skf21("4","4","2","1","6","1","6","1") = "5"
    & skf21("4","4","2","1","6","1","7","1") = "6"
    & skf21("4","4","2","1","6","2","1","1") = "5"
    & skf21("4","4","2","1","6","2","2","1") = "5"
    & skf21("4","4","2","1","6","2","3","1") = "5"
    & skf21("4","4","2","1","6","2","4","1") = "5"
    & skf21("4","4","2","1","6","2","5","1") = "5"
    & skf21("4","4","2","1","6","2","6","1") = "5"
    & skf21("4","4","2","1","6","2","7","1") = "6"
    & skf21("4","4","2","1","6","3","1","1") = "5"
    & skf21("4","4","2","1","6","3","2","1") = "5"
    & skf21("4","4","2","1","6","3","3","1") = "5"
    & skf21("4","4","2","1","6","3","4","1") = "5"
    & skf21("4","4","2","1","6","3","5","1") = "5"
    & skf21("4","4","2","1","6","3","6","1") = "5"
    & skf21("4","4","2","1","6","3","7","1") = "6"
    & skf21("4","4","2","1","6","4","1","1") = "5"
    & skf21("4","4","2","1","6","4","2","1") = "5"
    & skf21("4","4","2","1","6","4","3","1") = "5"
    & skf21("4","4","2","1","6","4","4","1") = "5"
    & skf21("4","4","2","1","6","4","5","1") = "5"
    & skf21("4","4","2","1","6","4","6","1") = "5"
    & skf21("4","4","2","1","6","4","7","1") = "6"
    & skf21("4","4","2","1","6","5","1","1") = "5"
    & skf21("4","4","2","1","6","5","2","1") = "5"
    & skf21("4","4","2","1","6","5","3","1") = "5"
    & skf21("4","4","2","1","6","5","4","1") = "5"
    & skf21("4","4","2","1","6","5","5","1") = "5"
    & skf21("4","4","2","1","6","5","6","1") = "5"
    & skf21("4","4","2","1","6","5","7","1") = "6"
    & skf21("4","4","2","1","6","6","1","1") = "5"
    & skf21("4","4","2","1","6","6","2","1") = "5"
    & skf21("4","4","2","1","6","6","3","1") = "5"
    & skf21("4","4","2","1","6","6","4","1") = "5"
    & skf21("4","4","2","1","6","6","5","1") = "5"
    & skf21("4","4","2","1","6","6","6","1") = "5"
    & skf21("4","4","2","1","6","6","7","1") = "6"
    & skf21("4","4","2","1","6","7","1","1") = "6"
    & skf21("4","4","2","1","6","7","2","1") = "6"
    & skf21("4","4","2","1","6","7","3","1") = "6"
    & skf21("4","4","2","1","6","7","4","1") = "6"
    & skf21("4","4","2","1","6","7","5","1") = "6"
    & skf21("4","4","2","1","6","7","6","1") = "6"
    & skf21("4","4","2","1","6","7","7","1") = "6"
    & skf21("4","4","2","1","7","1","1","1") = "6"
    & skf21("4","4","2","1","7","1","2","1") = "6"
    & skf21("4","4","2","1","7","1","3","1") = "6"
    & skf21("4","4","2","1","7","1","4","1") = "6"
    & skf21("4","4","2","1","7","1","5","1") = "6"
    & skf21("4","4","2","1","7","1","6","1") = "6"
    & skf21("4","4","2","1","7","1","7","1") = "6"
    & skf21("4","4","2","1","7","2","1","1") = "6"
    & skf21("4","4","2","1","7","2","2","1") = "6"
    & skf21("4","4","2","1","7","2","3","1") = "6"
    & skf21("4","4","2","1","7","2","4","1") = "6"
    & skf21("4","4","2","1","7","2","5","1") = "6"
    & skf21("4","4","2","1","7","2","6","1") = "6"
    & skf21("4","4","2","1","7","2","7","1") = "6"
    & skf21("4","4","2","1","7","3","1","1") = "6"
    & skf21("4","4","2","1","7","3","2","1") = "6"
    & skf21("4","4","2","1","7","3","3","1") = "6"
    & skf21("4","4","2","1","7","3","4","1") = "6"
    & skf21("4","4","2","1","7","3","5","1") = "6"
    & skf21("4","4","2","1","7","3","6","1") = "6"
    & skf21("4","4","2","1","7","3","7","1") = "6"
    & skf21("4","4","2","1","7","4","1","1") = "6"
    & skf21("4","4","2","1","7","4","2","1") = "6"
    & skf21("4","4","2","1","7","4","3","1") = "6"
    & skf21("4","4","2","1","7","4","4","1") = "6"
    & skf21("4","4","2","1","7","4","5","1") = "6"
    & skf21("4","4","2","1","7","4","6","1") = "6"
    & skf21("4","4","2","1","7","4","7","1") = "6"
    & skf21("4","4","2","1","7","5","1","1") = "6"
    & skf21("4","4","2","1","7","5","2","1") = "6"
    & skf21("4","4","2","1","7","5","3","1") = "6"
    & skf21("4","4","2","1","7","5","4","1") = "6"
    & skf21("4","4","2","1","7","5","5","1") = "6"
    & skf21("4","4","2","1","7","5","6","1") = "6"
    & skf21("4","4","2","1","7","5","7","1") = "6"
    & skf21("4","4","2","1","7","6","1","1") = "6"
    & skf21("4","4","2","1","7","6","2","1") = "6"
    & skf21("4","4","2","1","7","6","3","1") = "6"
    & skf21("4","4","2","1","7","6","4","1") = "6"
    & skf21("4","4","2","1","7","6","5","1") = "6"
    & skf21("4","4","2","1","7","6","6","1") = "6"
    & skf21("4","4","2","1","7","6","7","1") = "6"
    & skf21("4","4","2","1","7","7","1","1") = "6"
    & skf21("4","4","2","1","7","7","2","1") = "6"
    & skf21("4","4","2","1","7","7","3","1") = "6"
    & skf21("4","4","2","1","7","7","4","1") = "6"
    & skf21("4","4","2","1","7","7","5","1") = "6"
    & skf21("4","4","2","1","7","7","6","1") = "6"
    & skf21("4","4","2","1","7","7","7","1") = "6"
    & skf21("4","4","2","2","1","1","1","1") = "3"
    & skf21("4","4","2","2","1","1","2","1") = "3"
    & skf21("4","4","2","2","1","1","3","1") = "3"
    & skf21("4","4","2","2","1","1","4","1") = "3"
    & skf21("4","4","2","2","1","1","5","1") = "4"
    & skf21("4","4","2","2","1","1","6","1") = "5"
    & skf21("4","4","2","2","1","1","7","1") = "6"
    & skf21("4","4","2","2","1","2","1","1") = "3"
    & skf21("4","4","2","2","1","2","2","1") = "3"
    & skf21("4","4","2","2","1","2","3","1") = "3"
    & skf21("4","4","2","2","1","2","4","1") = "3"
    & skf21("4","4","2","2","1","2","5","1") = "4"
    & skf21("4","4","2","2","1","2","6","1") = "5"
    & skf21("4","4","2","2","1","2","7","1") = "6"
    & skf21("4","4","2","2","1","3","1","1") = "3"
    & skf21("4","4","2","2","1","3","2","1") = "3"
    & skf21("4","4","2","2","1","3","3","1") = "3"
    & skf21("4","4","2","2","1","3","4","1") = "3"
    & skf21("4","4","2","2","1","3","5","1") = "4"
    & skf21("4","4","2","2","1","3","6","1") = "5"
    & skf21("4","4","2","2","1","3","7","1") = "6"
    & skf21("4","4","2","2","1","4","1","1") = "3"
    & skf21("4","4","2","2","1","4","2","1") = "3"
    & skf21("4","4","2","2","1","4","3","1") = "3"
    & skf21("4","4","2","2","1","4","4","1") = "3"
    & skf21("4","4","2","2","1","4","5","1") = "4"
    & skf21("4","4","2","2","1","4","6","1") = "5"
    & skf21("4","4","2","2","1","4","7","1") = "6"
    & skf21("4","4","2","2","1","5","1","1") = "4"
    & skf21("4","4","2","2","1","5","2","1") = "4"
    & skf21("4","4","2","2","1","5","3","1") = "4"
    & skf21("4","4","2","2","1","5","4","1") = "4"
    & skf21("4","4","2","2","1","5","5","1") = "4"
    & skf21("4","4","2","2","1","5","6","1") = "5"
    & skf21("4","4","2","2","1","5","7","1") = "6"
    & skf21("4","4","2","2","1","6","1","1") = "5"
    & skf21("4","4","2","2","1","6","2","1") = "5"
    & skf21("4","4","2","2","1","6","3","1") = "5"
    & skf21("4","4","2","2","1","6","4","1") = "5"
    & skf21("4","4","2","2","1","6","5","1") = "5"
    & skf21("4","4","2","2","1","6","6","1") = "5"
    & skf21("4","4","2","2","1","6","7","1") = "6"
    & skf21("4","4","2","2","1","7","1","1") = "6"
    & skf21("4","4","2","2","1","7","2","1") = "6"
    & skf21("4","4","2","2","1","7","3","1") = "6"
    & skf21("4","4","2","2","1","7","4","1") = "6"
    & skf21("4","4","2","2","1","7","5","1") = "6"
    & skf21("4","4","2","2","1","7","6","1") = "6"
    & skf21("4","4","2","2","1","7","7","1") = "6"
    & skf21("4","4","2","2","2","1","1","1") = "3"
    & skf21("4","4","2","2","2","1","2","1") = "3"
    & skf21("4","4","2","2","2","1","3","1") = "3"
    & skf21("4","4","2","2","2","1","4","1") = "3"
    & skf21("4","4","2","2","2","1","5","1") = "4"
    & skf21("4","4","2","2","2","1","6","1") = "5"
    & skf21("4","4","2","2","2","1","7","1") = "6"
    & skf21("4","4","2","2","2","2","1","1") = "3"
    & skf21("4","4","2","2","2","2","2","1") = "3"
    & skf21("4","4","2","2","2","2","3","1") = "3"
    & skf21("4","4","2","2","2","2","4","1") = "3"
    & skf21("4","4","2","2","2","2","5","1") = "4"
    & skf21("4","4","2","2","2","2","6","1") = "5"
    & skf21("4","4","2","2","2","2","7","1") = "6"
    & skf21("4","4","2","2","2","3","1","1") = "3"
    & skf21("4","4","2","2","2","3","2","1") = "3"
    & skf21("4","4","2","2","2","3","3","1") = "3"
    & skf21("4","4","2","2","2","3","4","1") = "3"
    & skf21("4","4","2","2","2","3","5","1") = "4"
    & skf21("4","4","2","2","2","3","6","1") = "5"
    & skf21("4","4","2","2","2","3","7","1") = "6"
    & skf21("4","4","2","2","2","4","1","1") = "3"
    & skf21("4","4","2","2","2","4","2","1") = "3"
    & skf21("4","4","2","2","2","4","3","1") = "3"
    & skf21("4","4","2","2","2","4","4","1") = "3"
    & skf21("4","4","2","2","2","4","5","1") = "4"
    & skf21("4","4","2","2","2","4","6","1") = "5"
    & skf21("4","4","2","2","2","4","7","1") = "6"
    & skf21("4","4","2","2","2","5","1","1") = "4"
    & skf21("4","4","2","2","2","5","2","1") = "4"
    & skf21("4","4","2","2","2","5","3","1") = "4"
    & skf21("4","4","2","2","2","5","4","1") = "4"
    & skf21("4","4","2","2","2","5","5","1") = "4"
    & skf21("4","4","2","2","2","5","6","1") = "5"
    & skf21("4","4","2","2","2","5","7","1") = "6"
    & skf21("4","4","2","2","2","6","1","1") = "5"
    & skf21("4","4","2","2","2","6","2","1") = "5"
    & skf21("4","4","2","2","2","6","3","1") = "5"
    & skf21("4","4","2","2","2","6","4","1") = "5"
    & skf21("4","4","2","2","2","6","5","1") = "5"
    & skf21("4","4","2","2","2","6","6","1") = "5"
    & skf21("4","4","2","2","2","6","7","1") = "6"
    & skf21("4","4","2","2","2","7","1","1") = "6"
    & skf21("4","4","2","2","2","7","2","1") = "6"
    & skf21("4","4","2","2","2","7","3","1") = "6"
    & skf21("4","4","2","2","2","7","4","1") = "6"
    & skf21("4","4","2","2","2","7","5","1") = "6"
    & skf21("4","4","2","2","2","7","6","1") = "6"
    & skf21("4","4","2","2","2","7","7","1") = "6"
    & skf21("4","4","2","2","3","1","1","1") = "3"
    & skf21("4","4","2","2","3","1","2","1") = "3"
    & skf21("4","4","2","2","3","1","3","1") = "3"
    & skf21("4","4","2","2","3","1","4","1") = "3"
    & skf21("4","4","2","2","3","1","5","1") = "4"
    & skf21("4","4","2","2","3","1","6","1") = "5"
    & skf21("4","4","2","2","3","1","7","1") = "6"
    & skf21("4","4","2","2","3","2","1","1") = "3"
    & skf21("4","4","2","2","3","2","2","1") = "3"
    & skf21("4","4","2","2","3","2","3","1") = "3"
    & skf21("4","4","2","2","3","2","4","1") = "3"
    & skf21("4","4","2","2","3","2","5","1") = "4"
    & skf21("4","4","2","2","3","2","6","1") = "5"
    & skf21("4","4","2","2","3","2","7","1") = "6"
    & skf21("4","4","2","2","3","3","1","1") = "3"
    & skf21("4","4","2","2","3","3","2","1") = "3"
    & skf21("4","4","2","2","3","3","3","1") = "3"
    & skf21("4","4","2","2","3","3","4","1") = "3"
    & skf21("4","4","2","2","3","3","5","1") = "4"
    & skf21("4","4","2","2","3","3","6","1") = "5"
    & skf21("4","4","2","2","3","3","7","1") = "6"
    & skf21("4","4","2","2","3","4","1","1") = "3"
    & skf21("4","4","2","2","3","4","2","1") = "3"
    & skf21("4","4","2","2","3","4","3","1") = "3"
    & skf21("4","4","2","2","3","4","4","1") = "3"
    & skf21("4","4","2","2","3","4","5","1") = "4"
    & skf21("4","4","2","2","3","4","6","1") = "5"
    & skf21("4","4","2","2","3","4","7","1") = "6"
    & skf21("4","4","2","2","3","5","1","1") = "4"
    & skf21("4","4","2","2","3","5","2","1") = "4"
    & skf21("4","4","2","2","3","5","3","1") = "4"
    & skf21("4","4","2","2","3","5","4","1") = "4"
    & skf21("4","4","2","2","3","5","5","1") = "4"
    & skf21("4","4","2","2","3","5","6","1") = "5"
    & skf21("4","4","2","2","3","5","7","1") = "6"
    & skf21("4","4","2","2","3","6","1","1") = "5"
    & skf21("4","4","2","2","3","6","2","1") = "5"
    & skf21("4","4","2","2","3","6","3","1") = "5"
    & skf21("4","4","2","2","3","6","4","1") = "5"
    & skf21("4","4","2","2","3","6","5","1") = "5"
    & skf21("4","4","2","2","3","6","6","1") = "5"
    & skf21("4","4","2","2","3","6","7","1") = "6"
    & skf21("4","4","2","2","3","7","1","1") = "6"
    & skf21("4","4","2","2","3","7","2","1") = "6"
    & skf21("4","4","2","2","3","7","3","1") = "6"
    & skf21("4","4","2","2","3","7","4","1") = "6"
    & skf21("4","4","2","2","3","7","5","1") = "6"
    & skf21("4","4","2","2","3","7","6","1") = "6"
    & skf21("4","4","2","2","3","7","7","1") = "6"
    & skf21("4","4","2","2","4","1","1","1") = "3"
    & skf21("4","4","2","2","4","1","2","1") = "3"
    & skf21("4","4","2","2","4","1","3","1") = "3"
    & skf21("4","4","2","2","4","1","4","1") = "3"
    & skf21("4","4","2","2","4","1","5","1") = "4"
    & skf21("4","4","2","2","4","1","6","1") = "5"
    & skf21("4","4","2","2","4","1","7","1") = "6"
    & skf21("4","4","2","2","4","2","1","1") = "3"
    & skf21("4","4","2","2","4","2","2","1") = "3"
    & skf21("4","4","2","2","4","2","3","1") = "3"
    & skf21("4","4","2","2","4","2","4","1") = "3"
    & skf21("4","4","2","2","4","2","5","1") = "4"
    & skf21("4","4","2","2","4","2","6","1") = "5"
    & skf21("4","4","2","2","4","2","7","1") = "6"
    & skf21("4","4","2","2","4","3","1","1") = "3"
    & skf21("4","4","2","2","4","3","2","1") = "3"
    & skf21("4","4","2","2","4","3","3","1") = "3"
    & skf21("4","4","2","2","4","3","4","1") = "3"
    & skf21("4","4","2","2","4","3","5","1") = "4"
    & skf21("4","4","2","2","4","3","6","1") = "5"
    & skf21("4","4","2","2","4","3","7","1") = "6"
    & skf21("4","4","2","2","4","4","1","1") = "3"
    & skf21("4","4","2","2","4","4","2","1") = "3"
    & skf21("4","4","2","2","4","4","3","1") = "3"
    & skf21("4","4","2","2","4","4","4","1") = "3"
    & skf21("4","4","2","2","4","4","5","1") = "4"
    & skf21("4","4","2","2","4","4","6","1") = "5"
    & skf21("4","4","2","2","4","4","7","1") = "6"
    & skf21("4","4","2","2","4","5","1","1") = "4"
    & skf21("4","4","2","2","4","5","2","1") = "4"
    & skf21("4","4","2","2","4","5","3","1") = "4"
    & skf21("4","4","2","2","4","5","4","1") = "4"
    & skf21("4","4","2","2","4","5","5","1") = "4"
    & skf21("4","4","2","2","4","5","6","1") = "5"
    & skf21("4","4","2","2","4","5","7","1") = "6"
    & skf21("4","4","2","2","4","6","1","1") = "5"
    & skf21("4","4","2","2","4","6","2","1") = "5"
    & skf21("4","4","2","2","4","6","3","1") = "5"
    & skf21("4","4","2","2","4","6","4","1") = "5"
    & skf21("4","4","2","2","4","6","5","1") = "5"
    & skf21("4","4","2","2","4","6","6","1") = "5"
    & skf21("4","4","2","2","4","6","7","1") = "6"
    & skf21("4","4","2","2","4","7","1","1") = "6"
    & skf21("4","4","2","2","4","7","2","1") = "6"
    & skf21("4","4","2","2","4","7","3","1") = "6"
    & skf21("4","4","2","2","4","7","4","1") = "6"
    & skf21("4","4","2","2","4","7","5","1") = "6"
    & skf21("4","4","2","2","4","7","6","1") = "6"
    & skf21("4","4","2","2","4","7","7","1") = "6"
    & skf21("4","4","2","2","5","1","1","1") = "4"
    & skf21("4","4","2","2","5","1","2","1") = "4"
    & skf21("4","4","2","2","5","1","3","1") = "4"
    & skf21("4","4","2","2","5","1","4","1") = "4"
    & skf21("4","4","2","2","5","1","5","1") = "4"
    & skf21("4","4","2","2","5","1","6","1") = "5"
    & skf21("4","4","2","2","5","1","7","1") = "6"
    & skf21("4","4","2","2","5","2","1","1") = "4"
    & skf21("4","4","2","2","5","2","2","1") = "4"
    & skf21("4","4","2","2","5","2","3","1") = "4"
    & skf21("4","4","2","2","5","2","4","1") = "4"
    & skf21("4","4","2","2","5","2","5","1") = "4"
    & skf21("4","4","2","2","5","2","6","1") = "5"
    & skf21("4","4","2","2","5","2","7","1") = "6"
    & skf21("4","4","2","2","5","3","1","1") = "4"
    & skf21("4","4","2","2","5","3","2","1") = "4"
    & skf21("4","4","2","2","5","3","3","1") = "4"
    & skf21("4","4","2","2","5","3","4","1") = "4"
    & skf21("4","4","2","2","5","3","5","1") = "4"
    & skf21("4","4","2","2","5","3","6","1") = "5"
    & skf21("4","4","2","2","5","3","7","1") = "6"
    & skf21("4","4","2","2","5","4","1","1") = "4"
    & skf21("4","4","2","2","5","4","2","1") = "4"
    & skf21("4","4","2","2","5","4","3","1") = "4"
    & skf21("4","4","2","2","5","4","4","1") = "4"
    & skf21("4","4","2","2","5","4","5","1") = "4"
    & skf21("4","4","2","2","5","4","6","1") = "5"
    & skf21("4","4","2","2","5","4","7","1") = "6"
    & skf21("4","4","2","2","5","5","1","1") = "4"
    & skf21("4","4","2","2","5","5","2","1") = "4"
    & skf21("4","4","2","2","5","5","3","1") = "4"
    & skf21("4","4","2","2","5","5","4","1") = "4"
    & skf21("4","4","2","2","5","5","5","1") = "4"
    & skf21("4","4","2","2","5","5","6","1") = "5"
    & skf21("4","4","2","2","5","5","7","1") = "6"
    & skf21("4","4","2","2","5","6","1","1") = "5"
    & skf21("4","4","2","2","5","6","2","1") = "5"
    & skf21("4","4","2","2","5","6","3","1") = "5"
    & skf21("4","4","2","2","5","6","4","1") = "5"
    & skf21("4","4","2","2","5","6","5","1") = "5"
    & skf21("4","4","2","2","5","6","6","1") = "5"
    & skf21("4","4","2","2","5","6","7","1") = "6"
    & skf21("4","4","2","2","5","7","1","1") = "6"
    & skf21("4","4","2","2","5","7","2","1") = "6"
    & skf21("4","4","2","2","5","7","3","1") = "6"
    & skf21("4","4","2","2","5","7","4","1") = "6"
    & skf21("4","4","2","2","5","7","5","1") = "6"
    & skf21("4","4","2","2","5","7","6","1") = "6"
    & skf21("4","4","2","2","5","7","7","1") = "6"
    & skf21("4","4","2","2","6","1","1","1") = "5"
    & skf21("4","4","2","2","6","1","2","1") = "5"
    & skf21("4","4","2","2","6","1","3","1") = "5"
    & skf21("4","4","2","2","6","1","4","1") = "5"
    & skf21("4","4","2","2","6","1","5","1") = "5"
    & skf21("4","4","2","2","6","1","6","1") = "5"
    & skf21("4","4","2","2","6","1","7","1") = "6"
    & skf21("4","4","2","2","6","2","1","1") = "5"
    & skf21("4","4","2","2","6","2","2","1") = "5"
    & skf21("4","4","2","2","6","2","3","1") = "5"
    & skf21("4","4","2","2","6","2","4","1") = "5"
    & skf21("4","4","2","2","6","2","5","1") = "5"
    & skf21("4","4","2","2","6","2","6","1") = "5"
    & skf21("4","4","2","2","6","2","7","1") = "6"
    & skf21("4","4","2","2","6","3","1","1") = "5"
    & skf21("4","4","2","2","6","3","2","1") = "5"
    & skf21("4","4","2","2","6","3","3","1") = "5"
    & skf21("4","4","2","2","6","3","4","1") = "5"
    & skf21("4","4","2","2","6","3","5","1") = "5"
    & skf21("4","4","2","2","6","3","6","1") = "5"
    & skf21("4","4","2","2","6","3","7","1") = "6"
    & skf21("4","4","2","2","6","4","1","1") = "5"
    & skf21("4","4","2","2","6","4","2","1") = "5"
    & skf21("4","4","2","2","6","4","3","1") = "5"
    & skf21("4","4","2","2","6","4","4","1") = "5"
    & skf21("4","4","2","2","6","4","5","1") = "5"
    & skf21("4","4","2","2","6","4","6","1") = "5"
    & skf21("4","4","2","2","6","4","7","1") = "6"
    & skf21("4","4","2","2","6","5","1","1") = "5"
    & skf21("4","4","2","2","6","5","2","1") = "5"
    & skf21("4","4","2","2","6","5","3","1") = "5"
    & skf21("4","4","2","2","6","5","4","1") = "5"
    & skf21("4","4","2","2","6","5","5","1") = "5"
    & skf21("4","4","2","2","6","5","6","1") = "5"
    & skf21("4","4","2","2","6","5","7","1") = "6"
    & skf21("4","4","2","2","6","6","1","1") = "5"
    & skf21("4","4","2","2","6","6","2","1") = "5"
    & skf21("4","4","2","2","6","6","3","1") = "5"
    & skf21("4","4","2","2","6","6","4","1") = "5"
    & skf21("4","4","2","2","6","6","5","1") = "5"
    & skf21("4","4","2","2","6","6","6","1") = "5"
    & skf21("4","4","2","2","6","6","7","1") = "6"
    & skf21("4","4","2","2","6","7","1","1") = "6"
    & skf21("4","4","2","2","6","7","2","1") = "6"
    & skf21("4","4","2","2","6","7","3","1") = "6"
    & skf21("4","4","2","2","6","7","4","1") = "6"
    & skf21("4","4","2","2","6","7","5","1") = "6"
    & skf21("4","4","2","2","6","7","6","1") = "6"
    & skf21("4","4","2","2","6","7","7","1") = "6"
    & skf21("4","4","2","2","7","1","1","1") = "6"
    & skf21("4","4","2","2","7","1","2","1") = "6"
    & skf21("4","4","2","2","7","1","3","1") = "6"
    & skf21("4","4","2","2","7","1","4","1") = "6"
    & skf21("4","4","2","2","7","1","5","1") = "6"
    & skf21("4","4","2","2","7","1","6","1") = "6"
    & skf21("4","4","2","2","7","1","7","1") = "6"
    & skf21("4","4","2","2","7","2","1","1") = "6"
    & skf21("4","4","2","2","7","2","2","1") = "6"
    & skf21("4","4","2","2","7","2","3","1") = "6"
    & skf21("4","4","2","2","7","2","4","1") = "6"
    & skf21("4","4","2","2","7","2","5","1") = "6"
    & skf21("4","4","2","2","7","2","6","1") = "6"
    & skf21("4","4","2","2","7","2","7","1") = "6"
    & skf21("4","4","2","2","7","3","1","1") = "6"
    & skf21("4","4","2","2","7","3","2","1") = "6"
    & skf21("4","4","2","2","7","3","3","1") = "6"
    & skf21("4","4","2","2","7","3","4","1") = "6"
    & skf21("4","4","2","2","7","3","5","1") = "6"
    & skf21("4","4","2","2","7","3","6","1") = "6"
    & skf21("4","4","2","2","7","3","7","1") = "6"
    & skf21("4","4","2","2","7","4","1","1") = "6"
    & skf21("4","4","2","2","7","4","2","1") = "6"
    & skf21("4","4","2","2","7","4","3","1") = "6"
    & skf21("4","4","2","2","7","4","4","1") = "6"
    & skf21("4","4","2","2","7","4","5","1") = "6"
    & skf21("4","4","2","2","7","4","6","1") = "6"
    & skf21("4","4","2","2","7","4","7","1") = "6"
    & skf21("4","4","2","2","7","5","1","1") = "6"
    & skf21("4","4","2","2","7","5","2","1") = "6"
    & skf21("4","4","2","2","7","5","3","1") = "6"
    & skf21("4","4","2","2","7","5","4","1") = "6"
    & skf21("4","4","2","2","7","5","5","1") = "6"
    & skf21("4","4","2","2","7","5","6","1") = "6"
    & skf21("4","4","2","2","7","5","7","1") = "6"
    & skf21("4","4","2","2","7","6","1","1") = "6"
    & skf21("4","4","2","2","7","6","2","1") = "6"
    & skf21("4","4","2","2","7","6","3","1") = "6"
    & skf21("4","4","2","2","7","6","4","1") = "6"
    & skf21("4","4","2","2","7","6","5","1") = "6"
    & skf21("4","4","2","2","7","6","6","1") = "6"
    & skf21("4","4","2","2","7","6","7","1") = "6"
    & skf21("4","4","2","2","7","7","1","1") = "6"
    & skf21("4","4","2","2","7","7","2","1") = "6"
    & skf21("4","4","2","2","7","7","3","1") = "6"
    & skf21("4","4","2","2","7","7","4","1") = "6"
    & skf21("4","4","2","2","7","7","5","1") = "6"
    & skf21("4","4","2","2","7","7","6","1") = "6"
    & skf21("4","4","2","2","7","7","7","1") = "6"
    & skf21("4","4","2","3","1","1","1","1") = "3"
    & skf21("4","4","2","3","1","1","2","1") = "3"
    & skf21("4","4","2","3","1","1","3","1") = "3"
    & skf21("4","4","2","3","1","1","4","1") = "3"
    & skf21("4","4","2","3","1","1","5","1") = "4"
    & skf21("4","4","2","3","1","1","6","1") = "5"
    & skf21("4","4","2","3","1","1","7","1") = "6"
    & skf21("4","4","2","3","1","2","1","1") = "3"
    & skf21("4","4","2","3","1","2","2","1") = "3"
    & skf21("4","4","2","3","1","2","3","1") = "3"
    & skf21("4","4","2","3","1","2","4","1") = "3"
    & skf21("4","4","2","3","1","2","5","1") = "4"
    & skf21("4","4","2","3","1","2","6","1") = "5"
    & skf21("4","4","2","3","1","2","7","1") = "6"
    & skf21("4","4","2","3","1","3","1","1") = "3"
    & skf21("4","4","2","3","1","3","2","1") = "3"
    & skf21("4","4","2","3","1","3","3","1") = "3"
    & skf21("4","4","2","3","1","3","4","1") = "3"
    & skf21("4","4","2","3","1","3","5","1") = "4"
    & skf21("4","4","2","3","1","3","6","1") = "5"
    & skf21("4","4","2","3","1","3","7","1") = "6"
    & skf21("4","4","2","3","1","4","1","1") = "3"
    & skf21("4","4","2","3","1","4","2","1") = "3"
    & skf21("4","4","2","3","1","4","3","1") = "3"
    & skf21("4","4","2","3","1","4","4","1") = "3"
    & skf21("4","4","2","3","1","4","5","1") = "4"
    & skf21("4","4","2","3","1","4","6","1") = "5"
    & skf21("4","4","2","3","1","4","7","1") = "6"
    & skf21("4","4","2","3","1","5","1","1") = "4"
    & skf21("4","4","2","3","1","5","2","1") = "4"
    & skf21("4","4","2","3","1","5","3","1") = "4"
    & skf21("4","4","2","3","1","5","4","1") = "4"
    & skf21("4","4","2","3","1","5","5","1") = "4"
    & skf21("4","4","2","3","1","5","6","1") = "5"
    & skf21("4","4","2","3","1","5","7","1") = "6"
    & skf21("4","4","2","3","1","6","1","1") = "5"
    & skf21("4","4","2","3","1","6","2","1") = "5"
    & skf21("4","4","2","3","1","6","3","1") = "5"
    & skf21("4","4","2","3","1","6","4","1") = "5"
    & skf21("4","4","2","3","1","6","5","1") = "5"
    & skf21("4","4","2","3","1","6","6","1") = "5"
    & skf21("4","4","2","3","1","6","7","1") = "6"
    & skf21("4","4","2","3","1","7","1","1") = "6"
    & skf21("4","4","2","3","1","7","2","1") = "6"
    & skf21("4","4","2","3","1","7","3","1") = "6"
    & skf21("4","4","2","3","1","7","4","1") = "6"
    & skf21("4","4","2","3","1","7","5","1") = "6"
    & skf21("4","4","2","3","1","7","6","1") = "6"
    & skf21("4","4","2","3","1","7","7","1") = "6"
    & skf21("4","4","2","3","2","1","1","1") = "3"
    & skf21("4","4","2","3","2","1","2","1") = "3"
    & skf21("4","4","2","3","2","1","3","1") = "3"
    & skf21("4","4","2","3","2","1","4","1") = "3"
    & skf21("4","4","2","3","2","1","5","1") = "4"
    & skf21("4","4","2","3","2","1","6","1") = "5"
    & skf21("4","4","2","3","2","1","7","1") = "6"
    & skf21("4","4","2","3","2","2","1","1") = "3"
    & skf21("4","4","2","3","2","2","2","1") = "3"
    & skf21("4","4","2","3","2","2","3","1") = "3"
    & skf21("4","4","2","3","2","2","4","1") = "3"
    & skf21("4","4","2","3","2","2","5","1") = "4"
    & skf21("4","4","2","3","2","2","6","1") = "5"
    & skf21("4","4","2","3","2","2","7","1") = "6"
    & skf21("4","4","2","3","2","3","1","1") = "3"
    & skf21("4","4","2","3","2","3","2","1") = "3"
    & skf21("4","4","2","3","2","3","3","1") = "3"
    & skf21("4","4","2","3","2","3","4","1") = "3"
    & skf21("4","4","2","3","2","3","5","1") = "4"
    & skf21("4","4","2","3","2","3","6","1") = "5"
    & skf21("4","4","2","3","2","3","7","1") = "6"
    & skf21("4","4","2","3","2","4","1","1") = "3"
    & skf21("4","4","2","3","2","4","2","1") = "3"
    & skf21("4","4","2","3","2","4","3","1") = "3"
    & skf21("4","4","2","3","2","4","4","1") = "3"
    & skf21("4","4","2","3","2","4","5","1") = "4"
    & skf21("4","4","2","3","2","4","6","1") = "5"
    & skf21("4","4","2","3","2","4","7","1") = "6"
    & skf21("4","4","2","3","2","5","1","1") = "4"
    & skf21("4","4","2","3","2","5","2","1") = "4"
    & skf21("4","4","2","3","2","5","3","1") = "4"
    & skf21("4","4","2","3","2","5","4","1") = "4"
    & skf21("4","4","2","3","2","5","5","1") = "4"
    & skf21("4","4","2","3","2","5","6","1") = "5"
    & skf21("4","4","2","3","2","5","7","1") = "6"
    & skf21("4","4","2","3","2","6","1","1") = "5"
    & skf21("4","4","2","3","2","6","2","1") = "5"
    & skf21("4","4","2","3","2","6","3","1") = "5"
    & skf21("4","4","2","3","2","6","4","1") = "5"
    & skf21("4","4","2","3","2","6","5","1") = "5"
    & skf21("4","4","2","3","2","6","6","1") = "5"
    & skf21("4","4","2","3","2","6","7","1") = "6"
    & skf21("4","4","2","3","2","7","1","1") = "6"
    & skf21("4","4","2","3","2","7","2","1") = "6"
    & skf21("4","4","2","3","2","7","3","1") = "6"
    & skf21("4","4","2","3","2","7","4","1") = "6"
    & skf21("4","4","2","3","2","7","5","1") = "6"
    & skf21("4","4","2","3","2","7","6","1") = "6"
    & skf21("4","4","2","3","2","7","7","1") = "6"
    & skf21("4","4","2","3","3","1","1","1") = "3"
    & skf21("4","4","2","3","3","1","2","1") = "3"
    & skf21("4","4","2","3","3","1","3","1") = "3"
    & skf21("4","4","2","3","3","1","4","1") = "3"
    & skf21("4","4","2","3","3","1","5","1") = "4"
    & skf21("4","4","2","3","3","1","6","1") = "5"
    & skf21("4","4","2","3","3","1","7","1") = "6"
    & skf21("4","4","2","3","3","2","1","1") = "3"
    & skf21("4","4","2","3","3","2","2","1") = "3"
    & skf21("4","4","2","3","3","2","3","1") = "3"
    & skf21("4","4","2","3","3","2","4","1") = "3"
    & skf21("4","4","2","3","3","2","5","1") = "4"
    & skf21("4","4","2","3","3","2","6","1") = "5"
    & skf21("4","4","2","3","3","2","7","1") = "6"
    & skf21("4","4","2","3","3","3","1","1") = "3"
    & skf21("4","4","2","3","3","3","2","1") = "3"
    & skf21("4","4","2","3","3","3","3","1") = "3"
    & skf21("4","4","2","3","3","3","4","1") = "3"
    & skf21("4","4","2","3","3","3","5","1") = "4"
    & skf21("4","4","2","3","3","3","6","1") = "5"
    & skf21("4","4","2","3","3","3","7","1") = "6"
    & skf21("4","4","2","3","3","4","1","1") = "3"
    & skf21("4","4","2","3","3","4","2","1") = "3"
    & skf21("4","4","2","3","3","4","3","1") = "3"
    & skf21("4","4","2","3","3","4","4","1") = "3"
    & skf21("4","4","2","3","3","4","5","1") = "4"
    & skf21("4","4","2","3","3","4","6","1") = "5"
    & skf21("4","4","2","3","3","4","7","1") = "6"
    & skf21("4","4","2","3","3","5","1","1") = "4"
    & skf21("4","4","2","3","3","5","2","1") = "4"
    & skf21("4","4","2","3","3","5","3","1") = "4"
    & skf21("4","4","2","3","3","5","4","1") = "4"
    & skf21("4","4","2","3","3","5","5","1") = "4"
    & skf21("4","4","2","3","3","5","6","1") = "5"
    & skf21("4","4","2","3","3","5","7","1") = "6"
    & skf21("4","4","2","3","3","6","1","1") = "5"
    & skf21("4","4","2","3","3","6","2","1") = "5"
    & skf21("4","4","2","3","3","6","3","1") = "5"
    & skf21("4","4","2","3","3","6","4","1") = "5"
    & skf21("4","4","2","3","3","6","5","1") = "5"
    & skf21("4","4","2","3","3","6","6","1") = "5"
    & skf21("4","4","2","3","3","6","7","1") = "6"
    & skf21("4","4","2","3","3","7","1","1") = "6"
    & skf21("4","4","2","3","3","7","2","1") = "6"
    & skf21("4","4","2","3","3","7","3","1") = "6"
    & skf21("4","4","2","3","3","7","4","1") = "6"
    & skf21("4","4","2","3","3","7","5","1") = "6"
    & skf21("4","4","2","3","3","7","6","1") = "6"
    & skf21("4","4","2","3","3","7","7","1") = "6"
    & skf21("4","4","2","3","4","1","1","1") = "3"
    & skf21("4","4","2","3","4","1","2","1") = "3"
    & skf21("4","4","2","3","4","1","3","1") = "3"
    & skf21("4","4","2","3","4","1","4","1") = "3"
    & skf21("4","4","2","3","4","1","5","1") = "4"
    & skf21("4","4","2","3","4","1","6","1") = "5"
    & skf21("4","4","2","3","4","1","7","1") = "6"
    & skf21("4","4","2","3","4","2","1","1") = "3"
    & skf21("4","4","2","3","4","2","2","1") = "3"
    & skf21("4","4","2","3","4","2","3","1") = "3"
    & skf21("4","4","2","3","4","2","4","1") = "3"
    & skf21("4","4","2","3","4","2","5","1") = "4"
    & skf21("4","4","2","3","4","2","6","1") = "5"
    & skf21("4","4","2","3","4","2","7","1") = "6"
    & skf21("4","4","2","3","4","3","1","1") = "3"
    & skf21("4","4","2","3","4","3","2","1") = "3"
    & skf21("4","4","2","3","4","3","3","1") = "3"
    & skf21("4","4","2","3","4","3","4","1") = "3"
    & skf21("4","4","2","3","4","3","5","1") = "4"
    & skf21("4","4","2","3","4","3","6","1") = "5"
    & skf21("4","4","2","3","4","3","7","1") = "6"
    & skf21("4","4","2","3","4","4","1","1") = "3"
    & skf21("4","4","2","3","4","4","2","1") = "3"
    & skf21("4","4","2","3","4","4","3","1") = "3"
    & skf21("4","4","2","3","4","4","4","1") = "3"
    & skf21("4","4","2","3","4","4","5","1") = "4"
    & skf21("4","4","2","3","4","4","6","1") = "5"
    & skf21("4","4","2","3","4","4","7","1") = "6"
    & skf21("4","4","2","3","4","5","1","1") = "4"
    & skf21("4","4","2","3","4","5","2","1") = "4"
    & skf21("4","4","2","3","4","5","3","1") = "4"
    & skf21("4","4","2","3","4","5","4","1") = "4"
    & skf21("4","4","2","3","4","5","5","1") = "4"
    & skf21("4","4","2","3","4","5","6","1") = "5"
    & skf21("4","4","2","3","4","5","7","1") = "6"
    & skf21("4","4","2","3","4","6","1","1") = "5"
    & skf21("4","4","2","3","4","6","2","1") = "5"
    & skf21("4","4","2","3","4","6","3","1") = "5"
    & skf21("4","4","2","3","4","6","4","1") = "5"
    & skf21("4","4","2","3","4","6","5","1") = "5"
    & skf21("4","4","2","3","4","6","6","1") = "5"
    & skf21("4","4","2","3","4","6","7","1") = "6"
    & skf21("4","4","2","3","4","7","1","1") = "6"
    & skf21("4","4","2","3","4","7","2","1") = "6"
    & skf21("4","4","2","3","4","7","3","1") = "6"
    & skf21("4","4","2","3","4","7","4","1") = "6"
    & skf21("4","4","2","3","4","7","5","1") = "6"
    & skf21("4","4","2","3","4","7","6","1") = "6"
    & skf21("4","4","2","3","4","7","7","1") = "6"
    & skf21("4","4","2","3","5","1","1","1") = "4"
    & skf21("4","4","2","3","5","1","2","1") = "4"
    & skf21("4","4","2","3","5","1","3","1") = "4"
    & skf21("4","4","2","3","5","1","4","1") = "4"
    & skf21("4","4","2","3","5","1","5","1") = "4"
    & skf21("4","4","2","3","5","1","6","1") = "5"
    & skf21("4","4","2","3","5","1","7","1") = "6"
    & skf21("4","4","2","3","5","2","1","1") = "4"
    & skf21("4","4","2","3","5","2","2","1") = "4"
    & skf21("4","4","2","3","5","2","3","1") = "4"
    & skf21("4","4","2","3","5","2","4","1") = "4"
    & skf21("4","4","2","3","5","2","5","1") = "4"
    & skf21("4","4","2","3","5","2","6","1") = "5"
    & skf21("4","4","2","3","5","2","7","1") = "6"
    & skf21("4","4","2","3","5","3","1","1") = "4"
    & skf21("4","4","2","3","5","3","2","1") = "4"
    & skf21("4","4","2","3","5","3","3","1") = "4"
    & skf21("4","4","2","3","5","3","4","1") = "4"
    & skf21("4","4","2","3","5","3","5","1") = "4"
    & skf21("4","4","2","3","5","3","6","1") = "5"
    & skf21("4","4","2","3","5","3","7","1") = "6"
    & skf21("4","4","2","3","5","4","1","1") = "4"
    & skf21("4","4","2","3","5","4","2","1") = "4"
    & skf21("4","4","2","3","5","4","3","1") = "4"
    & skf21("4","4","2","3","5","4","4","1") = "4"
    & skf21("4","4","2","3","5","4","5","1") = "4"
    & skf21("4","4","2","3","5","4","6","1") = "5"
    & skf21("4","4","2","3","5","4","7","1") = "6"
    & skf21("4","4","2","3","5","5","1","1") = "4"
    & skf21("4","4","2","3","5","5","2","1") = "4"
    & skf21("4","4","2","3","5","5","3","1") = "4"
    & skf21("4","4","2","3","5","5","4","1") = "4"
    & skf21("4","4","2","3","5","5","5","1") = "4"
    & skf21("4","4","2","3","5","5","6","1") = "5"
    & skf21("4","4","2","3","5","5","7","1") = "6"
    & skf21("4","4","2","3","5","6","1","1") = "5"
    & skf21("4","4","2","3","5","6","2","1") = "5"
    & skf21("4","4","2","3","5","6","3","1") = "5"
    & skf21("4","4","2","3","5","6","4","1") = "5"
    & skf21("4","4","2","3","5","6","5","1") = "5"
    & skf21("4","4","2","3","5","6","6","1") = "5"
    & skf21("4","4","2","3","5","6","7","1") = "6"
    & skf21("4","4","2","3","5","7","1","1") = "6"
    & skf21("4","4","2","3","5","7","2","1") = "6"
    & skf21("4","4","2","3","5","7","3","1") = "6"
    & skf21("4","4","2","3","5","7","4","1") = "6"
    & skf21("4","4","2","3","5","7","5","1") = "6"
    & skf21("4","4","2","3","5","7","6","1") = "6"
    & skf21("4","4","2","3","5","7","7","1") = "6"
    & skf21("4","4","2","3","6","1","1","1") = "5"
    & skf21("4","4","2","3","6","1","2","1") = "5"
    & skf21("4","4","2","3","6","1","3","1") = "5"
    & skf21("4","4","2","3","6","1","4","1") = "5"
    & skf21("4","4","2","3","6","1","5","1") = "5"
    & skf21("4","4","2","3","6","1","6","1") = "5"
    & skf21("4","4","2","3","6","1","7","1") = "6"
    & skf21("4","4","2","3","6","2","1","1") = "5"
    & skf21("4","4","2","3","6","2","2","1") = "5"
    & skf21("4","4","2","3","6","2","3","1") = "5"
    & skf21("4","4","2","3","6","2","4","1") = "5"
    & skf21("4","4","2","3","6","2","5","1") = "5"
    & skf21("4","4","2","3","6","2","6","1") = "5"
    & skf21("4","4","2","3","6","2","7","1") = "6"
    & skf21("4","4","2","3","6","3","1","1") = "5"
    & skf21("4","4","2","3","6","3","2","1") = "5"
    & skf21("4","4","2","3","6","3","3","1") = "5"
    & skf21("4","4","2","3","6","3","4","1") = "5"
    & skf21("4","4","2","3","6","3","5","1") = "5"
    & skf21("4","4","2","3","6","3","6","1") = "5"
    & skf21("4","4","2","3","6","3","7","1") = "6"
    & skf21("4","4","2","3","6","4","1","1") = "5"
    & skf21("4","4","2","3","6","4","2","1") = "5"
    & skf21("4","4","2","3","6","4","3","1") = "5"
    & skf21("4","4","2","3","6","4","4","1") = "5"
    & skf21("4","4","2","3","6","4","5","1") = "5"
    & skf21("4","4","2","3","6","4","6","1") = "5"
    & skf21("4","4","2","3","6","4","7","1") = "6"
    & skf21("4","4","2","3","6","5","1","1") = "5"
    & skf21("4","4","2","3","6","5","2","1") = "5"
    & skf21("4","4","2","3","6","5","3","1") = "5"
    & skf21("4","4","2","3","6","5","4","1") = "5"
    & skf21("4","4","2","3","6","5","5","1") = "5"
    & skf21("4","4","2","3","6","5","6","1") = "5"
    & skf21("4","4","2","3","6","5","7","1") = "6"
    & skf21("4","4","2","3","6","6","1","1") = "5"
    & skf21("4","4","2","3","6","6","2","1") = "5"
    & skf21("4","4","2","3","6","6","3","1") = "5"
    & skf21("4","4","2","3","6","6","4","1") = "5"
    & skf21("4","4","2","3","6","6","5","1") = "5"
    & skf21("4","4","2","3","6","6","6","1") = "5"
    & skf21("4","4","2","3","6","6","7","1") = "6"
    & skf21("4","4","2","3","6","7","1","1") = "6"
    & skf21("4","4","2","3","6","7","2","1") = "6"
    & skf21("4","4","2","3","6","7","3","1") = "6"
    & skf21("4","4","2","3","6","7","4","1") = "6"
    & skf21("4","4","2","3","6","7","5","1") = "6"
    & skf21("4","4","2","3","6","7","6","1") = "6"
    & skf21("4","4","2","3","6","7","7","1") = "6"
    & skf21("4","4","2","3","7","1","1","1") = "6"
    & skf21("4","4","2","3","7","1","2","1") = "6"
    & skf21("4","4","2","3","7","1","3","1") = "6"
    & skf21("4","4","2","3","7","1","4","1") = "6"
    & skf21("4","4","2","3","7","1","5","1") = "6"
    & skf21("4","4","2","3","7","1","6","1") = "6"
    & skf21("4","4","2","3","7","1","7","1") = "6"
    & skf21("4","4","2","3","7","2","1","1") = "6"
    & skf21("4","4","2","3","7","2","2","1") = "6"
    & skf21("4","4","2","3","7","2","3","1") = "6"
    & skf21("4","4","2","3","7","2","4","1") = "6"
    & skf21("4","4","2","3","7","2","5","1") = "6"
    & skf21("4","4","2","3","7","2","6","1") = "6"
    & skf21("4","4","2","3","7","2","7","1") = "6"
    & skf21("4","4","2","3","7","3","1","1") = "6"
    & skf21("4","4","2","3","7","3","2","1") = "6"
    & skf21("4","4","2","3","7","3","3","1") = "6"
    & skf21("4","4","2","3","7","3","4","1") = "6"
    & skf21("4","4","2","3","7","3","5","1") = "6"
    & skf21("4","4","2","3","7","3","6","1") = "6"
    & skf21("4","4","2","3","7","3","7","1") = "6"
    & skf21("4","4","2","3","7","4","1","1") = "6"
    & skf21("4","4","2","3","7","4","2","1") = "6"
    & skf21("4","4","2","3","7","4","3","1") = "6"
    & skf21("4","4","2","3","7","4","4","1") = "6"
    & skf21("4","4","2","3","7","4","5","1") = "6"
    & skf21("4","4","2","3","7","4","6","1") = "6"
    & skf21("4","4","2","3","7","4","7","1") = "6"
    & skf21("4","4","2","3","7","5","1","1") = "6"
    & skf21("4","4","2","3","7","5","2","1") = "6"
    & skf21("4","4","2","3","7","5","3","1") = "6"
    & skf21("4","4","2","3","7","5","4","1") = "6"
    & skf21("4","4","2","3","7","5","5","1") = "6"
    & skf21("4","4","2","3","7","5","6","1") = "6"
    & skf21("4","4","2","3","7","5","7","1") = "6"
    & skf21("4","4","2","3","7","6","1","1") = "6"
    & skf21("4","4","2","3","7","6","2","1") = "6"
    & skf21("4","4","2","3","7","6","3","1") = "6"
    & skf21("4","4","2","3","7","6","4","1") = "6"
    & skf21("4","4","2","3","7","6","5","1") = "6"
    & skf21("4","4","2","3","7","6","6","1") = "6"
    & skf21("4","4","2","3","7","6","7","1") = "6"
    & skf21("4","4","2","3","7","7","1","1") = "6"
    & skf21("4","4","2","3","7","7","2","1") = "6"
    & skf21("4","4","2","3","7","7","3","1") = "6"
    & skf21("4","4","2","3","7","7","4","1") = "6"
    & skf21("4","4","2","3","7","7","5","1") = "6"
    & skf21("4","4","2","3","7","7","6","1") = "6"
    & skf21("4","4","2","3","7","7","7","1") = "6"
    & skf21("4","4","2","4","1","1","1","1") = "3"
    & skf21("4","4","2","4","1","1","2","1") = "3"
    & skf21("4","4","2","4","1","1","3","1") = "3"
    & skf21("4","4","2","4","1","1","4","1") = "3"
    & skf21("4","4","2","4","1","1","5","1") = "4"
    & skf21("4","4","2","4","1","1","6","1") = "5"
    & skf21("4","4","2","4","1","1","7","1") = "6"
    & skf21("4","4","2","4","1","2","1","1") = "3"
    & skf21("4","4","2","4","1","2","2","1") = "3"
    & skf21("4","4","2","4","1","2","3","1") = "3"
    & skf21("4","4","2","4","1","2","4","1") = "3"
    & skf21("4","4","2","4","1","2","5","1") = "4"
    & skf21("4","4","2","4","1","2","6","1") = "5"
    & skf21("4","4","2","4","1","2","7","1") = "6"
    & skf21("4","4","2","4","1","3","1","1") = "3"
    & skf21("4","4","2","4","1","3","2","1") = "3"
    & skf21("4","4","2","4","1","3","3","1") = "3"
    & skf21("4","4","2","4","1","3","4","1") = "3"
    & skf21("4","4","2","4","1","3","5","1") = "4"
    & skf21("4","4","2","4","1","3","6","1") = "5"
    & skf21("4","4","2","4","1","3","7","1") = "6"
    & skf21("4","4","2","4","1","4","1","1") = "3"
    & skf21("4","4","2","4","1","4","2","1") = "3"
    & skf21("4","4","2","4","1","4","3","1") = "3"
    & skf21("4","4","2","4","1","4","4","1") = "3"
    & skf21("4","4","2","4","1","4","5","1") = "4"
    & skf21("4","4","2","4","1","4","6","1") = "5"
    & skf21("4","4","2","4","1","4","7","1") = "6"
    & skf21("4","4","2","4","1","5","1","1") = "4"
    & skf21("4","4","2","4","1","5","2","1") = "4"
    & skf21("4","4","2","4","1","5","3","1") = "4"
    & skf21("4","4","2","4","1","5","4","1") = "4"
    & skf21("4","4","2","4","1","5","5","1") = "4"
    & skf21("4","4","2","4","1","5","6","1") = "5"
    & skf21("4","4","2","4","1","5","7","1") = "6"
    & skf21("4","4","2","4","1","6","1","1") = "5"
    & skf21("4","4","2","4","1","6","2","1") = "5"
    & skf21("4","4","2","4","1","6","3","1") = "5"
    & skf21("4","4","2","4","1","6","4","1") = "5"
    & skf21("4","4","2","4","1","6","5","1") = "5"
    & skf21("4","4","2","4","1","6","6","1") = "5"
    & skf21("4","4","2","4","1","6","7","1") = "6"
    & skf21("4","4","2","4","1","7","1","1") = "6"
    & skf21("4","4","2","4","1","7","2","1") = "6"
    & skf21("4","4","2","4","1","7","3","1") = "6"
    & skf21("4","4","2","4","1","7","4","1") = "6"
    & skf21("4","4","2","4","1","7","5","1") = "6"
    & skf21("4","4","2","4","1","7","6","1") = "6"
    & skf21("4","4","2","4","1","7","7","1") = "6"
    & skf21("4","4","2","4","2","1","1","1") = "3"
    & skf21("4","4","2","4","2","1","2","1") = "3"
    & skf21("4","4","2","4","2","1","3","1") = "3"
    & skf21("4","4","2","4","2","1","4","1") = "3"
    & skf21("4","4","2","4","2","1","5","1") = "4"
    & skf21("4","4","2","4","2","1","6","1") = "5"
    & skf21("4","4","2","4","2","1","7","1") = "6"
    & skf21("4","4","2","4","2","2","1","1") = "3"
    & skf21("4","4","2","4","2","2","2","1") = "3"
    & skf21("4","4","2","4","2","2","3","1") = "3"
    & skf21("4","4","2","4","2","2","4","1") = "3"
    & skf21("4","4","2","4","2","2","5","1") = "4"
    & skf21("4","4","2","4","2","2","6","1") = "5"
    & skf21("4","4","2","4","2","2","7","1") = "6"
    & skf21("4","4","2","4","2","3","1","1") = "3"
    & skf21("4","4","2","4","2","3","2","1") = "3"
    & skf21("4","4","2","4","2","3","3","1") = "3"
    & skf21("4","4","2","4","2","3","4","1") = "3"
    & skf21("4","4","2","4","2","3","5","1") = "4"
    & skf21("4","4","2","4","2","3","6","1") = "5"
    & skf21("4","4","2","4","2","3","7","1") = "6"
    & skf21("4","4","2","4","2","4","1","1") = "3"
    & skf21("4","4","2","4","2","4","2","1") = "3"
    & skf21("4","4","2","4","2","4","3","1") = "3"
    & skf21("4","4","2","4","2","4","4","1") = "3"
    & skf21("4","4","2","4","2","4","5","1") = "4"
    & skf21("4","4","2","4","2","4","6","1") = "5"
    & skf21("4","4","2","4","2","4","7","1") = "6"
    & skf21("4","4","2","4","2","5","1","1") = "4"
    & skf21("4","4","2","4","2","5","2","1") = "4"
    & skf21("4","4","2","4","2","5","3","1") = "4"
    & skf21("4","4","2","4","2","5","4","1") = "4"
    & skf21("4","4","2","4","2","5","5","1") = "4"
    & skf21("4","4","2","4","2","5","6","1") = "5"
    & skf21("4","4","2","4","2","5","7","1") = "6"
    & skf21("4","4","2","4","2","6","1","1") = "5"
    & skf21("4","4","2","4","2","6","2","1") = "5"
    & skf21("4","4","2","4","2","6","3","1") = "5"
    & skf21("4","4","2","4","2","6","4","1") = "5"
    & skf21("4","4","2","4","2","6","5","1") = "5"
    & skf21("4","4","2","4","2","6","6","1") = "5"
    & skf21("4","4","2","4","2","6","7","1") = "6"
    & skf21("4","4","2","4","2","7","1","1") = "6"
    & skf21("4","4","2","4","2","7","2","1") = "6"
    & skf21("4","4","2","4","2","7","3","1") = "6"
    & skf21("4","4","2","4","2","7","4","1") = "6"
    & skf21("4","4","2","4","2","7","5","1") = "6"
    & skf21("4","4","2","4","2","7","6","1") = "6"
    & skf21("4","4","2","4","2","7","7","1") = "6"
    & skf21("4","4","2","4","3","1","1","1") = "3"
    & skf21("4","4","2","4","3","1","2","1") = "3"
    & skf21("4","4","2","4","3","1","3","1") = "3"
    & skf21("4","4","2","4","3","1","4","1") = "3"
    & skf21("4","4","2","4","3","1","5","1") = "4"
    & skf21("4","4","2","4","3","1","6","1") = "5"
    & skf21("4","4","2","4","3","1","7","1") = "6"
    & skf21("4","4","2","4","3","2","1","1") = "3"
    & skf21("4","4","2","4","3","2","2","1") = "3"
    & skf21("4","4","2","4","3","2","3","1") = "3"
    & skf21("4","4","2","4","3","2","4","1") = "3"
    & skf21("4","4","2","4","3","2","5","1") = "4"
    & skf21("4","4","2","4","3","2","6","1") = "5"
    & skf21("4","4","2","4","3","2","7","1") = "6"
    & skf21("4","4","2","4","3","3","1","1") = "3"
    & skf21("4","4","2","4","3","3","2","1") = "3"
    & skf21("4","4","2","4","3","3","3","1") = "3"
    & skf21("4","4","2","4","3","3","4","1") = "3"
    & skf21("4","4","2","4","3","3","5","1") = "4"
    & skf21("4","4","2","4","3","3","6","1") = "5"
    & skf21("4","4","2","4","3","3","7","1") = "6"
    & skf21("4","4","2","4","3","4","1","1") = "3"
    & skf21("4","4","2","4","3","4","2","1") = "3"
    & skf21("4","4","2","4","3","4","3","1") = "3"
    & skf21("4","4","2","4","3","4","4","1") = "3"
    & skf21("4","4","2","4","3","4","5","1") = "4"
    & skf21("4","4","2","4","3","4","6","1") = "5"
    & skf21("4","4","2","4","3","4","7","1") = "6"
    & skf21("4","4","2","4","3","5","1","1") = "4"
    & skf21("4","4","2","4","3","5","2","1") = "4"
    & skf21("4","4","2","4","3","5","3","1") = "4"
    & skf21("4","4","2","4","3","5","4","1") = "4"
    & skf21("4","4","2","4","3","5","5","1") = "4"
    & skf21("4","4","2","4","3","5","6","1") = "5"
    & skf21("4","4","2","4","3","5","7","1") = "6"
    & skf21("4","4","2","4","3","6","1","1") = "5"
    & skf21("4","4","2","4","3","6","2","1") = "5"
    & skf21("4","4","2","4","3","6","3","1") = "5"
    & skf21("4","4","2","4","3","6","4","1") = "5"
    & skf21("4","4","2","4","3","6","5","1") = "5"
    & skf21("4","4","2","4","3","6","6","1") = "5"
    & skf21("4","4","2","4","3","6","7","1") = "6"
    & skf21("4","4","2","4","3","7","1","1") = "6"
    & skf21("4","4","2","4","3","7","2","1") = "6"
    & skf21("4","4","2","4","3","7","3","1") = "6"
    & skf21("4","4","2","4","3","7","4","1") = "6"
    & skf21("4","4","2","4","3","7","5","1") = "6"
    & skf21("4","4","2","4","3","7","6","1") = "6"
    & skf21("4","4","2","4","3","7","7","1") = "6"
    & skf21("4","4","2","4","4","1","1","1") = "2"
    & skf21("4","4","2","4","4","1","2","1") = "3"
    & skf21("4","4","2","4","4","1","3","1") = "3"
    & skf21("4","4","2","4","4","1","4","1") = "3"
    & skf21("4","4","2","4","4","1","5","1") = "4"
    & skf21("4","4","2","4","4","1","6","1") = "5"
    & skf21("4","4","2","4","4","1","7","1") = "6"
    & skf21("4","4","2","4","4","2","1","1") = "3"
    & skf21("4","4","2","4","4","2","2","1") = "3"
    & skf21("4","4","2","4","4","2","3","1") = "3"
    & skf21("4","4","2","4","4","2","4","1") = "3"
    & skf21("4","4","2","4","4","2","5","1") = "4"
    & skf21("4","4","2","4","4","2","6","1") = "5"
    & skf21("4","4","2","4","4","2","7","1") = "6"
    & skf21("4","4","2","4","4","3","1","1") = "3"
    & skf21("4","4","2","4","4","3","2","1") = "3"
    & skf21("4","4","2","4","4","3","3","1") = "3"
    & skf21("4","4","2","4","4","3","4","1") = "3"
    & skf21("4","4","2","4","4","3","5","1") = "4"
    & skf21("4","4","2","4","4","3","6","1") = "5"
    & skf21("4","4","2","4","4","3","7","1") = "6"
    & skf21("4","4","2","4","4","4","1","1") = "3"
    & skf21("4","4","2","4","4","4","2","1") = "3"
    & skf21("4","4","2","4","4","4","3","1") = "3"
    & skf21("4","4","2","4","4","4","4","1") = "3"
    & skf21("4","4","2","4","4","4","5","1") = "4"
    & skf21("4","4","2","4","4","4","6","1") = "5"
    & skf21("4","4","2","4","4","4","7","1") = "6"
    & skf21("4","4","2","4","4","5","1","1") = "4"
    & skf21("4","4","2","4","4","5","2","1") = "4"
    & skf21("4","4","2","4","4","5","3","1") = "4"
    & skf21("4","4","2","4","4","5","4","1") = "4"
    & skf21("4","4","2","4","4","5","5","1") = "4"
    & skf21("4","4","2","4","4","5","6","1") = "5"
    & skf21("4","4","2","4","4","5","7","1") = "6"
    & skf21("4","4","2","4","4","6","1","1") = "5"
    & skf21("4","4","2","4","4","6","2","1") = "5"
    & skf21("4","4","2","4","4","6","3","1") = "5"
    & skf21("4","4","2","4","4","6","4","1") = "5"
    & skf21("4","4","2","4","4","6","5","1") = "5"
    & skf21("4","4","2","4","4","6","6","1") = "5"
    & skf21("4","4","2","4","4","6","7","1") = "6"
    & skf21("4","4","2","4","4","7","1","1") = "6"
    & skf21("4","4","2","4","4","7","2","1") = "6"
    & skf21("4","4","2","4","4","7","3","1") = "6"
    & skf21("4","4","2","4","4","7","4","1") = "6"
    & skf21("4","4","2","4","4","7","5","1") = "6"
    & skf21("4","4","2","4","4","7","6","1") = "6"
    & skf21("4","4","2","4","4","7","7","1") = "6"
    & skf21("4","4","2","4","5","1","1","1") = "4"
    & skf21("4","4","2","4","5","1","2","1") = "4"
    & skf21("4","4","2","4","5","1","3","1") = "4"
    & skf21("4","4","2","4","5","1","4","1") = "4"
    & skf21("4","4","2","4","5","1","5","1") = "4"
    & skf21("4","4","2","4","5","1","6","1") = "5"
    & skf21("4","4","2","4","5","1","7","1") = "6"
    & skf21("4","4","2","4","5","2","1","1") = "4"
    & skf21("4","4","2","4","5","2","2","1") = "4"
    & skf21("4","4","2","4","5","2","3","1") = "4"
    & skf21("4","4","2","4","5","2","4","1") = "4"
    & skf21("4","4","2","4","5","2","5","1") = "4"
    & skf21("4","4","2","4","5","2","6","1") = "5"
    & skf21("4","4","2","4","5","2","7","1") = "6"
    & skf21("4","4","2","4","5","3","1","1") = "4"
    & skf21("4","4","2","4","5","3","2","1") = "4"
    & skf21("4","4","2","4","5","3","3","1") = "4"
    & skf21("4","4","2","4","5","3","4","1") = "4"
    & skf21("4","4","2","4","5","3","5","1") = "4"
    & skf21("4","4","2","4","5","3","6","1") = "5"
    & skf21("4","4","2","4","5","3","7","1") = "6"
    & skf21("4","4","2","4","5","4","1","1") = "4"
    & skf21("4","4","2","4","5","4","2","1") = "4"
    & skf21("4","4","2","4","5","4","3","1") = "4"
    & skf21("4","4","2","4","5","4","4","1") = "4"
    & skf21("4","4","2","4","5","4","5","1") = "4"
    & skf21("4","4","2","4","5","4","6","1") = "5"
    & skf21("4","4","2","4","5","4","7","1") = "6"
    & skf21("4","4","2","4","5","5","1","1") = "4"
    & skf21("4","4","2","4","5","5","2","1") = "4"
    & skf21("4","4","2","4","5","5","3","1") = "4"
    & skf21("4","4","2","4","5","5","4","1") = "4"
    & skf21("4","4","2","4","5","5","5","1") = "4"
    & skf21("4","4","2","4","5","5","6","1") = "5"
    & skf21("4","4","2","4","5","5","7","1") = "6"
    & skf21("4","4","2","4","5","6","1","1") = "5"
    & skf21("4","4","2","4","5","6","2","1") = "5"
    & skf21("4","4","2","4","5","6","3","1") = "5"
    & skf21("4","4","2","4","5","6","4","1") = "5"
    & skf21("4","4","2","4","5","6","5","1") = "5"
    & skf21("4","4","2","4","5","6","6","1") = "5"
    & skf21("4","4","2","4","5","6","7","1") = "6"
    & skf21("4","4","2","4","5","7","1","1") = "6"
    & skf21("4","4","2","4","5","7","2","1") = "6"
    & skf21("4","4","2","4","5","7","3","1") = "6"
    & skf21("4","4","2","4","5","7","4","1") = "6"
    & skf21("4","4","2","4","5","7","5","1") = "6"
    & skf21("4","4","2","4","5","7","6","1") = "6"
    & skf21("4","4","2","4","5","7","7","1") = "6"
    & skf21("4","4","2","4","6","1","1","1") = "5"
    & skf21("4","4","2","4","6","1","2","1") = "5"
    & skf21("4","4","2","4","6","1","3","1") = "5"
    & skf21("4","4","2","4","6","1","4","1") = "5"
    & skf21("4","4","2","4","6","1","5","1") = "5"
    & skf21("4","4","2","4","6","1","6","1") = "5"
    & skf21("4","4","2","4","6","1","7","1") = "6"
    & skf21("4","4","2","4","6","2","1","1") = "5"
    & skf21("4","4","2","4","6","2","2","1") = "5"
    & skf21("4","4","2","4","6","2","3","1") = "5"
    & skf21("4","4","2","4","6","2","4","1") = "5"
    & skf21("4","4","2","4","6","2","5","1") = "5"
    & skf21("4","4","2","4","6","2","6","1") = "5"
    & skf21("4","4","2","4","6","2","7","1") = "6"
    & skf21("4","4","2","4","6","3","1","1") = "5"
    & skf21("4","4","2","4","6","3","2","1") = "5"
    & skf21("4","4","2","4","6","3","3","1") = "5"
    & skf21("4","4","2","4","6","3","4","1") = "5"
    & skf21("4","4","2","4","6","3","5","1") = "5"
    & skf21("4","4","2","4","6","3","6","1") = "5"
    & skf21("4","4","2","4","6","3","7","1") = "6"
    & skf21("4","4","2","4","6","4","1","1") = "5"
    & skf21("4","4","2","4","6","4","2","1") = "5"
    & skf21("4","4","2","4","6","4","3","1") = "5"
    & skf21("4","4","2","4","6","4","4","1") = "5"
    & skf21("4","4","2","4","6","4","5","1") = "5"
    & skf21("4","4","2","4","6","4","6","1") = "5"
    & skf21("4","4","2","4","6","4","7","1") = "6"
    & skf21("4","4","2","4","6","5","1","1") = "5"
    & skf21("4","4","2","4","6","5","2","1") = "5"
    & skf21("4","4","2","4","6","5","3","1") = "5"
    & skf21("4","4","2","4","6","5","4","1") = "5"
    & skf21("4","4","2","4","6","5","5","1") = "5"
    & skf21("4","4","2","4","6","5","6","1") = "5"
    & skf21("4","4","2","4","6","5","7","1") = "6"
    & skf21("4","4","2","4","6","6","1","1") = "5"
    & skf21("4","4","2","4","6","6","2","1") = "5"
    & skf21("4","4","2","4","6","6","3","1") = "5"
    & skf21("4","4","2","4","6","6","4","1") = "5"
    & skf21("4","4","2","4","6","6","5","1") = "5"
    & skf21("4","4","2","4","6","6","6","1") = "5"
    & skf21("4","4","2","4","6","6","7","1") = "6"
    & skf21("4","4","2","4","6","7","1","1") = "6"
    & skf21("4","4","2","4","6","7","2","1") = "6"
    & skf21("4","4","2","4","6","7","3","1") = "6"
    & skf21("4","4","2","4","6","7","4","1") = "6"
    & skf21("4","4","2","4","6","7","5","1") = "6"
    & skf21("4","4","2","4","6","7","6","1") = "6"
    & skf21("4","4","2","4","6","7","7","1") = "6"
    & skf21("4","4","2","4","7","1","1","1") = "6"
    & skf21("4","4","2","4","7","1","2","1") = "6"
    & skf21("4","4","2","4","7","1","3","1") = "6"
    & skf21("4","4","2","4","7","1","4","1") = "6"
    & skf21("4","4","2","4","7","1","5","1") = "6"
    & skf21("4","4","2","4","7","1","6","1") = "6"
    & skf21("4","4","2","4","7","1","7","1") = "6"
    & skf21("4","4","2","4","7","2","1","1") = "6"
    & skf21("4","4","2","4","7","2","2","1") = "6"
    & skf21("4","4","2","4","7","2","3","1") = "6"
    & skf21("4","4","2","4","7","2","4","1") = "6"
    & skf21("4","4","2","4","7","2","5","1") = "6"
    & skf21("4","4","2","4","7","2","6","1") = "6"
    & skf21("4","4","2","4","7","2","7","1") = "6"
    & skf21("4","4","2","4","7","3","1","1") = "6"
    & skf21("4","4","2","4","7","3","2","1") = "6"
    & skf21("4","4","2","4","7","3","3","1") = "6"
    & skf21("4","4","2","4","7","3","4","1") = "6"
    & skf21("4","4","2","4","7","3","5","1") = "6"
    & skf21("4","4","2","4","7","3","6","1") = "6"
    & skf21("4","4","2","4","7","3","7","1") = "6"
    & skf21("4","4","2","4","7","4","1","1") = "6"
    & skf21("4","4","2","4","7","4","2","1") = "6"
    & skf21("4","4","2","4","7","4","3","1") = "6"
    & skf21("4","4","2","4","7","4","4","1") = "6"
    & skf21("4","4","2","4","7","4","5","1") = "6"
    & skf21("4","4","2","4","7","4","6","1") = "6"
    & skf21("4","4","2","4","7","4","7","1") = "6"
    & skf21("4","4","2","4","7","5","1","1") = "6"
    & skf21("4","4","2","4","7","5","2","1") = "6"
    & skf21("4","4","2","4","7","5","3","1") = "6"
    & skf21("4","4","2","4","7","5","4","1") = "6"
    & skf21("4","4","2","4","7","5","5","1") = "6"
    & skf21("4","4","2","4","7","5","6","1") = "6"
    & skf21("4","4","2","4","7","5","7","1") = "6"
    & skf21("4","4","2","4","7","6","1","1") = "6"
    & skf21("4","4","2","4","7","6","2","1") = "6"
    & skf21("4","4","2","4","7","6","3","1") = "6"
    & skf21("4","4","2","4","7","6","4","1") = "6"
    & skf21("4","4","2","4","7","6","5","1") = "6"
    & skf21("4","4","2","4","7","6","6","1") = "6"
    & skf21("4","4","2","4","7","6","7","1") = "6"
    & skf21("4","4","2","4","7","7","1","1") = "6"
    & skf21("4","4","2","4","7","7","2","1") = "6"
    & skf21("4","4","2","4","7","7","3","1") = "6"
    & skf21("4","4","2","4","7","7","4","1") = "6"
    & skf21("4","4","2","4","7","7","5","1") = "6"
    & skf21("4","4","2","4","7","7","6","1") = "6"
    & skf21("4","4","2","4","7","7","7","1") = "6"
    & skf21("4","4","2","5","1","1","1","1") = "4"
    & skf21("4","4","2","5","1","1","2","1") = "4"
    & skf21("4","4","2","5","1","1","3","1") = "4"
    & skf21("4","4","2","5","1","1","4","1") = "4"
    & skf21("4","4","2","5","1","1","5","1") = "4"
    & skf21("4","4","2","5","1","1","6","1") = "5"
    & skf21("4","4","2","5","1","1","7","1") = "6"
    & skf21("4","4","2","5","1","2","1","1") = "4"
    & skf21("4","4","2","5","1","2","2","1") = "4"
    & skf21("4","4","2","5","1","2","3","1") = "4"
    & skf21("4","4","2","5","1","2","4","1") = "4"
    & skf21("4","4","2","5","1","2","5","1") = "4"
    & skf21("4","4","2","5","1","2","6","1") = "5"
    & skf21("4","4","2","5","1","2","7","1") = "6"
    & skf21("4","4","2","5","1","3","1","1") = "4"
    & skf21("4","4","2","5","1","3","2","1") = "4"
    & skf21("4","4","2","5","1","3","3","1") = "4"
    & skf21("4","4","2","5","1","3","4","1") = "4"
    & skf21("4","4","2","5","1","3","5","1") = "4"
    & skf21("4","4","2","5","1","3","6","1") = "5"
    & skf21("4","4","2","5","1","3","7","1") = "6"
    & skf21("4","4","2","5","1","4","1","1") = "4"
    & skf21("4","4","2","5","1","4","2","1") = "4"
    & skf21("4","4","2","5","1","4","3","1") = "4"
    & skf21("4","4","2","5","1","4","4","1") = "4"
    & skf21("4","4","2","5","1","4","5","1") = "4"
    & skf21("4","4","2","5","1","4","6","1") = "5"
    & skf21("4","4","2","5","1","4","7","1") = "6"
    & skf21("4","4","2","5","1","5","1","1") = "4"
    & skf21("4","4","2","5","1","5","2","1") = "4"
    & skf21("4","4","2","5","1","5","3","1") = "4"
    & skf21("4","4","2","5","1","5","4","1") = "4"
    & skf21("4","4","2","5","1","5","5","1") = "4"
    & skf21("4","4","2","5","1","5","6","1") = "5"
    & skf21("4","4","2","5","1","5","7","1") = "6"
    & skf21("4","4","2","5","1","6","1","1") = "5"
    & skf21("4","4","2","5","1","6","2","1") = "5"
    & skf21("4","4","2","5","1","6","3","1") = "5"
    & skf21("4","4","2","5","1","6","4","1") = "5"
    & skf21("4","4","2","5","1","6","5","1") = "5"
    & skf21("4","4","2","5","1","6","6","1") = "5"
    & skf21("4","4","2","5","1","6","7","1") = "6"
    & skf21("4","4","2","5","1","7","1","1") = "6"
    & skf21("4","4","2","5","1","7","2","1") = "6"
    & skf21("4","4","2","5","1","7","3","1") = "6"
    & skf21("4","4","2","5","1","7","4","1") = "6"
    & skf21("4","4","2","5","1","7","5","1") = "6"
    & skf21("4","4","2","5","1","7","6","1") = "6"
    & skf21("4","4","2","5","1","7","7","1") = "6"
    & skf21("4","4","2","5","2","1","1","1") = "4"
    & skf21("4","4","2","5","2","1","2","1") = "4"
    & skf21("4","4","2","5","2","1","3","1") = "4"
    & skf21("4","4","2","5","2","1","4","1") = "4"
    & skf21("4","4","2","5","2","1","5","1") = "4"
    & skf21("4","4","2","5","2","1","6","1") = "5"
    & skf21("4","4","2","5","2","1","7","1") = "6"
    & skf21("4","4","2","5","2","2","1","1") = "4"
    & skf21("4","4","2","5","2","2","2","1") = "4"
    & skf21("4","4","2","5","2","2","3","1") = "4"
    & skf21("4","4","2","5","2","2","4","1") = "4"
    & skf21("4","4","2","5","2","2","5","1") = "4"
    & skf21("4","4","2","5","2","2","6","1") = "5"
    & skf21("4","4","2","5","2","2","7","1") = "6"
    & skf21("4","4","2","5","2","3","1","1") = "4"
    & skf21("4","4","2","5","2","3","2","1") = "4"
    & skf21("4","4","2","5","2","3","3","1") = "4"
    & skf21("4","4","2","5","2","3","4","1") = "4"
    & skf21("4","4","2","5","2","3","5","1") = "4"
    & skf21("4","4","2","5","2","3","6","1") = "5"
    & skf21("4","4","2","5","2","3","7","1") = "6"
    & skf21("4","4","2","5","2","4","1","1") = "4"
    & skf21("4","4","2","5","2","4","2","1") = "4"
    & skf21("4","4","2","5","2","4","3","1") = "4"
    & skf21("4","4","2","5","2","4","4","1") = "4"
    & skf21("4","4","2","5","2","4","5","1") = "4"
    & skf21("4","4","2","5","2","4","6","1") = "5"
    & skf21("4","4","2","5","2","4","7","1") = "6"
    & skf21("4","4","2","5","2","5","1","1") = "4"
    & skf21("4","4","2","5","2","5","2","1") = "4"
    & skf21("4","4","2","5","2","5","3","1") = "4"
    & skf21("4","4","2","5","2","5","4","1") = "4"
    & skf21("4","4","2","5","2","5","5","1") = "4"
    & skf21("4","4","2","5","2","5","6","1") = "5"
    & skf21("4","4","2","5","2","5","7","1") = "6"
    & skf21("4","4","2","5","2","6","1","1") = "5"
    & skf21("4","4","2","5","2","6","2","1") = "5"
    & skf21("4","4","2","5","2","6","3","1") = "5"
    & skf21("4","4","2","5","2","6","4","1") = "5"
    & skf21("4","4","2","5","2","6","5","1") = "5"
    & skf21("4","4","2","5","2","6","6","1") = "5"
    & skf21("4","4","2","5","2","6","7","1") = "6"
    & skf21("4","4","2","5","2","7","1","1") = "6"
    & skf21("4","4","2","5","2","7","2","1") = "6"
    & skf21("4","4","2","5","2","7","3","1") = "6"
    & skf21("4","4","2","5","2","7","4","1") = "6"
    & skf21("4","4","2","5","2","7","5","1") = "6"
    & skf21("4","4","2","5","2","7","6","1") = "6"
    & skf21("4","4","2","5","2","7","7","1") = "6"
    & skf21("4","4","2","5","3","1","1","1") = "4"
    & skf21("4","4","2","5","3","1","2","1") = "4"
    & skf21("4","4","2","5","3","1","3","1") = "4"
    & skf21("4","4","2","5","3","1","4","1") = "4"
    & skf21("4","4","2","5","3","1","5","1") = "4"
    & skf21("4","4","2","5","3","1","6","1") = "5"
    & skf21("4","4","2","5","3","1","7","1") = "6"
    & skf21("4","4","2","5","3","2","1","1") = "4"
    & skf21("4","4","2","5","3","2","2","1") = "4"
    & skf21("4","4","2","5","3","2","3","1") = "4"
    & skf21("4","4","2","5","3","2","4","1") = "4"
    & skf21("4","4","2","5","3","2","5","1") = "4"
    & skf21("4","4","2","5","3","2","6","1") = "5"
    & skf21("4","4","2","5","3","2","7","1") = "6"
    & skf21("4","4","2","5","3","3","1","1") = "4"
    & skf21("4","4","2","5","3","3","2","1") = "4"
    & skf21("4","4","2","5","3","3","3","1") = "4"
    & skf21("4","4","2","5","3","3","4","1") = "4"
    & skf21("4","4","2","5","3","3","5","1") = "4"
    & skf21("4","4","2","5","3","3","6","1") = "5"
    & skf21("4","4","2","5","3","3","7","1") = "6"
    & skf21("4","4","2","5","3","4","1","1") = "4"
    & skf21("4","4","2","5","3","4","2","1") = "4"
    & skf21("4","4","2","5","3","4","3","1") = "4"
    & skf21("4","4","2","5","3","4","4","1") = "4"
    & skf21("4","4","2","5","3","4","5","1") = "4"
    & skf21("4","4","2","5","3","4","6","1") = "5"
    & skf21("4","4","2","5","3","4","7","1") = "6"
    & skf21("4","4","2","5","3","5","1","1") = "4"
    & skf21("4","4","2","5","3","5","2","1") = "4"
    & skf21("4","4","2","5","3","5","3","1") = "4"
    & skf21("4","4","2","5","3","5","4","1") = "4"
    & skf21("4","4","2","5","3","5","5","1") = "4"
    & skf21("4","4","2","5","3","5","6","1") = "5"
    & skf21("4","4","2","5","3","5","7","1") = "6"
    & skf21("4","4","2","5","3","6","1","1") = "5"
    & skf21("4","4","2","5","3","6","2","1") = "5"
    & skf21("4","4","2","5","3","6","3","1") = "5"
    & skf21("4","4","2","5","3","6","4","1") = "5"
    & skf21("4","4","2","5","3","6","5","1") = "5"
    & skf21("4","4","2","5","3","6","6","1") = "5"
    & skf21("4","4","2","5","3","6","7","1") = "6"
    & skf21("4","4","2","5","3","7","1","1") = "6"
    & skf21("4","4","2","5","3","7","2","1") = "6"
    & skf21("4","4","2","5","3","7","3","1") = "6"
    & skf21("4","4","2","5","3","7","4","1") = "6"
    & skf21("4","4","2","5","3","7","5","1") = "6"
    & skf21("4","4","2","5","3","7","6","1") = "6"
    & skf21("4","4","2","5","3","7","7","1") = "6"
    & skf21("4","4","2","5","4","1","1","1") = "4"
    & skf21("4","4","2","5","4","1","2","1") = "4"
    & skf21("4","4","2","5","4","1","3","1") = "4"
    & skf21("4","4","2","5","4","1","4","1") = "4"
    & skf21("4","4","2","5","4","1","5","1") = "4"
    & skf21("4","4","2","5","4","1","6","1") = "5"
    & skf21("4","4","2","5","4","1","7","1") = "6"
    & skf21("4","4","2","5","4","2","1","1") = "4"
    & skf21("4","4","2","5","4","2","2","1") = "4"
    & skf21("4","4","2","5","4","2","3","1") = "4"
    & skf21("4","4","2","5","4","2","4","1") = "4"
    & skf21("4","4","2","5","4","2","5","1") = "4"
    & skf21("4","4","2","5","4","2","6","1") = "5"
    & skf21("4","4","2","5","4","2","7","1") = "6"
    & skf21("4","4","2","5","4","3","1","1") = "4"
    & skf21("4","4","2","5","4","3","2","1") = "4"
    & skf21("4","4","2","5","4","3","3","1") = "4"
    & skf21("4","4","2","5","4","3","4","1") = "4"
    & skf21("4","4","2","5","4","3","5","1") = "4"
    & skf21("4","4","2","5","4","3","6","1") = "5"
    & skf21("4","4","2","5","4","3","7","1") = "6"
    & skf21("4","4","2","5","4","4","1","1") = "4"
    & skf21("4","4","2","5","4","4","2","1") = "4"
    & skf21("4","4","2","5","4","4","3","1") = "4"
    & skf21("4","4","2","5","4","4","4","1") = "4"
    & skf21("4","4","2","5","4","4","5","1") = "4"
    & skf21("4","4","2","5","4","4","6","1") = "5"
    & skf21("4","4","2","5","4","4","7","1") = "6"
    & skf21("4","4","2","5","4","5","1","1") = "4"
    & skf21("4","4","2","5","4","5","2","1") = "4"
    & skf21("4","4","2","5","4","5","3","1") = "4"
    & skf21("4","4","2","5","4","5","4","1") = "4"
    & skf21("4","4","2","5","4","5","5","1") = "4"
    & skf21("4","4","2","5","4","5","6","1") = "5"
    & skf21("4","4","2","5","4","5","7","1") = "6"
    & skf21("4","4","2","5","4","6","1","1") = "5"
    & skf21("4","4","2","5","4","6","2","1") = "5"
    & skf21("4","4","2","5","4","6","3","1") = "5"
    & skf21("4","4","2","5","4","6","4","1") = "5"
    & skf21("4","4","2","5","4","6","5","1") = "5"
    & skf21("4","4","2","5","4","6","6","1") = "5"
    & skf21("4","4","2","5","4","6","7","1") = "6"
    & skf21("4","4","2","5","4","7","1","1") = "6"
    & skf21("4","4","2","5","4","7","2","1") = "6"
    & skf21("4","4","2","5","4","7","3","1") = "6"
    & skf21("4","4","2","5","4","7","4","1") = "6"
    & skf21("4","4","2","5","4","7","5","1") = "6"
    & skf21("4","4","2","5","4","7","6","1") = "6"
    & skf21("4","4","2","5","4","7","7","1") = "6"
    & skf21("4","4","2","5","5","1","1","1") = "4"
    & skf21("4","4","2","5","5","1","2","1") = "4"
    & skf21("4","4","2","5","5","1","3","1") = "4"
    & skf21("4","4","2","5","5","1","4","1") = "4"
    & skf21("4","4","2","5","5","1","5","1") = "4"
    & skf21("4","4","2","5","5","1","6","1") = "5"
    & skf21("4","4","2","5","5","1","7","1") = "6"
    & skf21("4","4","2","5","5","2","1","1") = "4"
    & skf21("4","4","2","5","5","2","2","1") = "4"
    & skf21("4","4","2","5","5","2","3","1") = "4"
    & skf21("4","4","2","5","5","2","4","1") = "4"
    & skf21("4","4","2","5","5","2","5","1") = "4"
    & skf21("4","4","2","5","5","2","6","1") = "5"
    & skf21("4","4","2","5","5","2","7","1") = "6"
    & skf21("4","4","2","5","5","3","1","1") = "4"
    & skf21("4","4","2","5","5","3","2","1") = "4"
    & skf21("4","4","2","5","5","3","3","1") = "4"
    & skf21("4","4","2","5","5","3","4","1") = "4"
    & skf21("4","4","2","5","5","3","5","1") = "4"
    & skf21("4","4","2","5","5","3","6","1") = "5"
    & skf21("4","4","2","5","5","3","7","1") = "6"
    & skf21("4","4","2","5","5","4","1","1") = "4"
    & skf21("4","4","2","5","5","4","2","1") = "4"
    & skf21("4","4","2","5","5","4","3","1") = "4"
    & skf21("4","4","2","5","5","4","4","1") = "4"
    & skf21("4","4","2","5","5","4","5","1") = "4"
    & skf21("4","4","2","5","5","4","6","1") = "5"
    & skf21("4","4","2","5","5","4","7","1") = "6"
    & skf21("4","4","2","5","5","5","1","1") = "4"
    & skf21("4","4","2","5","5","5","2","1") = "4"
    & skf21("4","4","2","5","5","5","3","1") = "4"
    & skf21("4","4","2","5","5","5","4","1") = "4"
    & skf21("4","4","2","5","5","5","5","1") = "4"
    & skf21("4","4","2","5","5","5","6","1") = "5"
    & skf21("4","4","2","5","5","5","7","1") = "6"
    & skf21("4","4","2","5","5","6","1","1") = "5"
    & skf21("4","4","2","5","5","6","2","1") = "5"
    & skf21("4","4","2","5","5","6","3","1") = "5"
    & skf21("4","4","2","5","5","6","4","1") = "5"
    & skf21("4","4","2","5","5","6","5","1") = "5"
    & skf21("4","4","2","5","5","6","6","1") = "5"
    & skf21("4","4","2","5","5","6","7","1") = "6"
    & skf21("4","4","2","5","5","7","1","1") = "6"
    & skf21("4","4","2","5","5","7","2","1") = "6"
    & skf21("4","4","2","5","5","7","3","1") = "6"
    & skf21("4","4","2","5","5","7","4","1") = "6"
    & skf21("4","4","2","5","5","7","5","1") = "6"
    & skf21("4","4","2","5","5","7","6","1") = "6"
    & skf21("4","4","2","5","5","7","7","1") = "6"
    & skf21("4","4","2","5","6","1","1","1") = "5"
    & skf21("4","4","2","5","6","1","2","1") = "5"
    & skf21("4","4","2","5","6","1","3","1") = "5"
    & skf21("4","4","2","5","6","1","4","1") = "5"
    & skf21("4","4","2","5","6","1","5","1") = "5"
    & skf21("4","4","2","5","6","1","6","1") = "5"
    & skf21("4","4","2","5","6","1","7","1") = "6"
    & skf21("4","4","2","5","6","2","1","1") = "5"
    & skf21("4","4","2","5","6","2","2","1") = "5"
    & skf21("4","4","2","5","6","2","3","1") = "5"
    & skf21("4","4","2","5","6","2","4","1") = "5"
    & skf21("4","4","2","5","6","2","5","1") = "5"
    & skf21("4","4","2","5","6","2","6","1") = "5"
    & skf21("4","4","2","5","6","2","7","1") = "6"
    & skf21("4","4","2","5","6","3","1","1") = "5"
    & skf21("4","4","2","5","6","3","2","1") = "5"
    & skf21("4","4","2","5","6","3","3","1") = "5"
    & skf21("4","4","2","5","6","3","4","1") = "5"
    & skf21("4","4","2","5","6","3","5","1") = "5"
    & skf21("4","4","2","5","6","3","6","1") = "5"
    & skf21("4","4","2","5","6","3","7","1") = "6"
    & skf21("4","4","2","5","6","4","1","1") = "5"
    & skf21("4","4","2","5","6","4","2","1") = "5"
    & skf21("4","4","2","5","6","4","3","1") = "5"
    & skf21("4","4","2","5","6","4","4","1") = "5"
    & skf21("4","4","2","5","6","4","5","1") = "5"
    & skf21("4","4","2","5","6","4","6","1") = "5"
    & skf21("4","4","2","5","6","4","7","1") = "6"
    & skf21("4","4","2","5","6","5","1","1") = "5"
    & skf21("4","4","2","5","6","5","2","1") = "5"
    & skf21("4","4","2","5","6","5","3","1") = "5"
    & skf21("4","4","2","5","6","5","4","1") = "5"
    & skf21("4","4","2","5","6","5","5","1") = "5"
    & skf21("4","4","2","5","6","5","6","1") = "5"
    & skf21("4","4","2","5","6","5","7","1") = "6"
    & skf21("4","4","2","5","6","6","1","1") = "5"
    & skf21("4","4","2","5","6","6","2","1") = "5"
    & skf21("4","4","2","5","6","6","3","1") = "5"
    & skf21("4","4","2","5","6","6","4","1") = "5"
    & skf21("4","4","2","5","6","6","5","1") = "5"
    & skf21("4","4","2","5","6","6","6","1") = "5"
    & skf21("4","4","2","5","6","6","7","1") = "6"
    & skf21("4","4","2","5","6","7","1","1") = "6"
    & skf21("4","4","2","5","6","7","2","1") = "6"
    & skf21("4","4","2","5","6","7","3","1") = "6"
    & skf21("4","4","2","5","6","7","4","1") = "6"
    & skf21("4","4","2","5","6","7","5","1") = "6"
    & skf21("4","4","2","5","6","7","6","1") = "6"
    & skf21("4","4","2","5","6","7","7","1") = "6"
    & skf21("4","4","2","5","7","1","1","1") = "6"
    & skf21("4","4","2","5","7","1","2","1") = "6"
    & skf21("4","4","2","5","7","1","3","1") = "6"
    & skf21("4","4","2","5","7","1","4","1") = "6"
    & skf21("4","4","2","5","7","1","5","1") = "6"
    & skf21("4","4","2","5","7","1","6","1") = "6"
    & skf21("4","4","2","5","7","1","7","1") = "6"
    & skf21("4","4","2","5","7","2","1","1") = "6"
    & skf21("4","4","2","5","7","2","2","1") = "6"
    & skf21("4","4","2","5","7","2","3","1") = "6"
    & skf21("4","4","2","5","7","2","4","1") = "6"
    & skf21("4","4","2","5","7","2","5","1") = "6"
    & skf21("4","4","2","5","7","2","6","1") = "6"
    & skf21("4","4","2","5","7","2","7","1") = "6"
    & skf21("4","4","2","5","7","3","1","1") = "6"
    & skf21("4","4","2","5","7","3","2","1") = "6"
    & skf21("4","4","2","5","7","3","3","1") = "6"
    & skf21("4","4","2","5","7","3","4","1") = "6"
    & skf21("4","4","2","5","7","3","5","1") = "6"
    & skf21("4","4","2","5","7","3","6","1") = "6"
    & skf21("4","4","2","5","7","3","7","1") = "6"
    & skf21("4","4","2","5","7","4","1","1") = "6"
    & skf21("4","4","2","5","7","4","2","1") = "6"
    & skf21("4","4","2","5","7","4","3","1") = "6"
    & skf21("4","4","2","5","7","4","4","1") = "6"
    & skf21("4","4","2","5","7","4","5","1") = "6"
    & skf21("4","4","2","5","7","4","6","1") = "6"
    & skf21("4","4","2","5","7","4","7","1") = "6"
    & skf21("4","4","2","5","7","5","1","1") = "6"
    & skf21("4","4","2","5","7","5","2","1") = "6"
    & skf21("4","4","2","5","7","5","3","1") = "6"
    & skf21("4","4","2","5","7","5","4","1") = "6"
    & skf21("4","4","2","5","7","5","5","1") = "6"
    & skf21("4","4","2","5","7","5","6","1") = "6"
    & skf21("4","4","2","5","7","5","7","1") = "6"
    & skf21("4","4","2","5","7","6","1","1") = "6"
    & skf21("4","4","2","5","7","6","2","1") = "6"
    & skf21("4","4","2","5","7","6","3","1") = "6"
    & skf21("4","4","2","5","7","6","4","1") = "6"
    & skf21("4","4","2","5","7","6","5","1") = "6"
    & skf21("4","4","2","5","7","6","6","1") = "6"
    & skf21("4","4","2","5","7","6","7","1") = "6"
    & skf21("4","4","2","5","7","7","1","1") = "6"
    & skf21("4","4","2","5","7","7","2","1") = "6"
    & skf21("4","4","2","5","7","7","3","1") = "6"
    & skf21("4","4","2","5","7","7","4","1") = "6"
    & skf21("4","4","2","5","7","7","5","1") = "6"
    & skf21("4","4","2","5","7","7","6","1") = "6"
    & skf21("4","4","2","5","7","7","7","1") = "6"
    & skf21("4","4","2","6","1","1","1","1") = "5"
    & skf21("4","4","2","6","1","1","2","1") = "5"
    & skf21("4","4","2","6","1","1","3","1") = "5"
    & skf21("4","4","2","6","1","1","4","1") = "5"
    & skf21("4","4","2","6","1","1","5","1") = "5"
    & skf21("4","4","2","6","1","1","6","1") = "5"
    & skf21("4","4","2","6","1","1","7","1") = "6"
    & skf21("4","4","2","6","1","2","1","1") = "5"
    & skf21("4","4","2","6","1","2","2","1") = "5"
    & skf21("4","4","2","6","1","2","3","1") = "5"
    & skf21("4","4","2","6","1","2","4","1") = "5"
    & skf21("4","4","2","6","1","2","5","1") = "5"
    & skf21("4","4","2","6","1","2","6","1") = "5"
    & skf21("4","4","2","6","1","2","7","1") = "6"
    & skf21("4","4","2","6","1","3","1","1") = "5"
    & skf21("4","4","2","6","1","3","2","1") = "5"
    & skf21("4","4","2","6","1","3","3","1") = "5"
    & skf21("4","4","2","6","1","3","4","1") = "5"
    & skf21("4","4","2","6","1","3","5","1") = "5"
    & skf21("4","4","2","6","1","3","6","1") = "5"
    & skf21("4","4","2","6","1","3","7","1") = "6"
    & skf21("4","4","2","6","1","4","1","1") = "5"
    & skf21("4","4","2","6","1","4","2","1") = "5"
    & skf21("4","4","2","6","1","4","3","1") = "5"
    & skf21("4","4","2","6","1","4","4","1") = "5"
    & skf21("4","4","2","6","1","4","5","1") = "5"
    & skf21("4","4","2","6","1","4","6","1") = "5"
    & skf21("4","4","2","6","1","4","7","1") = "6"
    & skf21("4","4","2","6","1","5","1","1") = "5"
    & skf21("4","4","2","6","1","5","2","1") = "5"
    & skf21("4","4","2","6","1","5","3","1") = "5"
    & skf21("4","4","2","6","1","5","4","1") = "5"
    & skf21("4","4","2","6","1","5","5","1") = "5"
    & skf21("4","4","2","6","1","5","6","1") = "5"
    & skf21("4","4","2","6","1","5","7","1") = "6"
    & skf21("4","4","2","6","1","6","1","1") = "5"
    & skf21("4","4","2","6","1","6","2","1") = "5"
    & skf21("4","4","2","6","1","6","3","1") = "5"
    & skf21("4","4","2","6","1","6","4","1") = "5"
    & skf21("4","4","2","6","1","6","5","1") = "5"
    & skf21("4","4","2","6","1","6","6","1") = "5"
    & skf21("4","4","2","6","1","6","7","1") = "6"
    & skf21("4","4","2","6","1","7","1","1") = "6"
    & skf21("4","4","2","6","1","7","2","1") = "6"
    & skf21("4","4","2","6","1","7","3","1") = "6"
    & skf21("4","4","2","6","1","7","4","1") = "6"
    & skf21("4","4","2","6","1","7","5","1") = "6"
    & skf21("4","4","2","6","1","7","6","1") = "6"
    & skf21("4","4","2","6","1","7","7","1") = "6"
    & skf21("4","4","2","6","2","1","1","1") = "5"
    & skf21("4","4","2","6","2","1","2","1") = "5"
    & skf21("4","4","2","6","2","1","3","1") = "5"
    & skf21("4","4","2","6","2","1","4","1") = "5"
    & skf21("4","4","2","6","2","1","5","1") = "5"
    & skf21("4","4","2","6","2","1","6","1") = "5"
    & skf21("4","4","2","6","2","1","7","1") = "6"
    & skf21("4","4","2","6","2","2","1","1") = "5"
    & skf21("4","4","2","6","2","2","2","1") = "5"
    & skf21("4","4","2","6","2","2","3","1") = "5"
    & skf21("4","4","2","6","2","2","4","1") = "5"
    & skf21("4","4","2","6","2","2","5","1") = "5"
    & skf21("4","4","2","6","2","2","6","1") = "5"
    & skf21("4","4","2","6","2","2","7","1") = "6"
    & skf21("4","4","2","6","2","3","1","1") = "5"
    & skf21("4","4","2","6","2","3","2","1") = "5"
    & skf21("4","4","2","6","2","3","3","1") = "5"
    & skf21("4","4","2","6","2","3","4","1") = "5"
    & skf21("4","4","2","6","2","3","5","1") = "5"
    & skf21("4","4","2","6","2","3","6","1") = "5"
    & skf21("4","4","2","6","2","3","7","1") = "6"
    & skf21("4","4","2","6","2","4","1","1") = "5"
    & skf21("4","4","2","6","2","4","2","1") = "5"
    & skf21("4","4","2","6","2","4","3","1") = "5"
    & skf21("4","4","2","6","2","4","4","1") = "5"
    & skf21("4","4","2","6","2","4","5","1") = "5"
    & skf21("4","4","2","6","2","4","6","1") = "5"
    & skf21("4","4","2","6","2","4","7","1") = "6"
    & skf21("4","4","2","6","2","5","1","1") = "5"
    & skf21("4","4","2","6","2","5","2","1") = "5"
    & skf21("4","4","2","6","2","5","3","1") = "5"
    & skf21("4","4","2","6","2","5","4","1") = "5"
    & skf21("4","4","2","6","2","5","5","1") = "5"
    & skf21("4","4","2","6","2","5","6","1") = "5"
    & skf21("4","4","2","6","2","5","7","1") = "6"
    & skf21("4","4","2","6","2","6","1","1") = "5"
    & skf21("4","4","2","6","2","6","2","1") = "5"
    & skf21("4","4","2","6","2","6","3","1") = "5"
    & skf21("4","4","2","6","2","6","4","1") = "5"
    & skf21("4","4","2","6","2","6","5","1") = "5"
    & skf21("4","4","2","6","2","6","6","1") = "5"
    & skf21("4","4","2","6","2","6","7","1") = "6"
    & skf21("4","4","2","6","2","7","1","1") = "6"
    & skf21("4","4","2","6","2","7","2","1") = "6"
    & skf21("4","4","2","6","2","7","3","1") = "6"
    & skf21("4","4","2","6","2","7","4","1") = "6"
    & skf21("4","4","2","6","2","7","5","1") = "6"
    & skf21("4","4","2","6","2","7","6","1") = "6"
    & skf21("4","4","2","6","2","7","7","1") = "6"
    & skf21("4","4","2","6","3","1","1","1") = "5"
    & skf21("4","4","2","6","3","1","2","1") = "5"
    & skf21("4","4","2","6","3","1","3","1") = "5"
    & skf21("4","4","2","6","3","1","4","1") = "5"
    & skf21("4","4","2","6","3","1","5","1") = "5"
    & skf21("4","4","2","6","3","1","6","1") = "5"
    & skf21("4","4","2","6","3","1","7","1") = "6"
    & skf21("4","4","2","6","3","2","1","1") = "5"
    & skf21("4","4","2","6","3","2","2","1") = "5"
    & skf21("4","4","2","6","3","2","3","1") = "5"
    & skf21("4","4","2","6","3","2","4","1") = "5"
    & skf21("4","4","2","6","3","2","5","1") = "5"
    & skf21("4","4","2","6","3","2","6","1") = "5"
    & skf21("4","4","2","6","3","2","7","1") = "6"
    & skf21("4","4","2","6","3","3","1","1") = "5"
    & skf21("4","4","2","6","3","3","2","1") = "5"
    & skf21("4","4","2","6","3","3","3","1") = "5"
    & skf21("4","4","2","6","3","3","4","1") = "5"
    & skf21("4","4","2","6","3","3","5","1") = "5"
    & skf21("4","4","2","6","3","3","6","1") = "5"
    & skf21("4","4","2","6","3","3","7","1") = "6"
    & skf21("4","4","2","6","3","4","1","1") = "5"
    & skf21("4","4","2","6","3","4","2","1") = "5"
    & skf21("4","4","2","6","3","4","3","1") = "5"
    & skf21("4","4","2","6","3","4","4","1") = "5"
    & skf21("4","4","2","6","3","4","5","1") = "5"
    & skf21("4","4","2","6","3","4","6","1") = "5"
    & skf21("4","4","2","6","3","4","7","1") = "6"
    & skf21("4","4","2","6","3","5","1","1") = "5"
    & skf21("4","4","2","6","3","5","2","1") = "5"
    & skf21("4","4","2","6","3","5","3","1") = "5"
    & skf21("4","4","2","6","3","5","4","1") = "5"
    & skf21("4","4","2","6","3","5","5","1") = "5"
    & skf21("4","4","2","6","3","5","6","1") = "5"
    & skf21("4","4","2","6","3","5","7","1") = "6"
    & skf21("4","4","2","6","3","6","1","1") = "5"
    & skf21("4","4","2","6","3","6","2","1") = "5"
    & skf21("4","4","2","6","3","6","3","1") = "5"
    & skf21("4","4","2","6","3","6","4","1") = "5"
    & skf21("4","4","2","6","3","6","5","1") = "5"
    & skf21("4","4","2","6","3","6","6","1") = "5"
    & skf21("4","4","2","6","3","6","7","1") = "6"
    & skf21("4","4","2","6","3","7","1","1") = "6"
    & skf21("4","4","2","6","3","7","2","1") = "6"
    & skf21("4","4","2","6","3","7","3","1") = "6"
    & skf21("4","4","2","6","3","7","4","1") = "6"
    & skf21("4","4","2","6","3","7","5","1") = "6"
    & skf21("4","4","2","6","3","7","6","1") = "6"
    & skf21("4","4","2","6","3","7","7","1") = "6"
    & skf21("4","4","2","6","4","1","1","1") = "5"
    & skf21("4","4","2","6","4","1","2","1") = "5"
    & skf21("4","4","2","6","4","1","3","1") = "5"
    & skf21("4","4","2","6","4","1","4","1") = "5"
    & skf21("4","4","2","6","4","1","5","1") = "5"
    & skf21("4","4","2","6","4","1","6","1") = "5"
    & skf21("4","4","2","6","4","1","7","1") = "6"
    & skf21("4","4","2","6","4","2","1","1") = "5"
    & skf21("4","4","2","6","4","2","2","1") = "5"
    & skf21("4","4","2","6","4","2","3","1") = "5"
    & skf21("4","4","2","6","4","2","4","1") = "5"
    & skf21("4","4","2","6","4","2","5","1") = "5"
    & skf21("4","4","2","6","4","2","6","1") = "5"
    & skf21("4","4","2","6","4","2","7","1") = "6"
    & skf21("4","4","2","6","4","3","1","1") = "5"
    & skf21("4","4","2","6","4","3","2","1") = "5"
    & skf21("4","4","2","6","4","3","3","1") = "5"
    & skf21("4","4","2","6","4","3","4","1") = "5"
    & skf21("4","4","2","6","4","3","5","1") = "5"
    & skf21("4","4","2","6","4","3","6","1") = "5"
    & skf21("4","4","2","6","4","3","7","1") = "6"
    & skf21("4","4","2","6","4","4","1","1") = "5"
    & skf21("4","4","2","6","4","4","2","1") = "5"
    & skf21("4","4","2","6","4","4","3","1") = "5"
    & skf21("4","4","2","6","4","4","4","1") = "5"
    & skf21("4","4","2","6","4","4","5","1") = "5"
    & skf21("4","4","2","6","4","4","6","1") = "5"
    & skf21("4","4","2","6","4","4","7","1") = "6"
    & skf21("4","4","2","6","4","5","1","1") = "5"
    & skf21("4","4","2","6","4","5","2","1") = "5"
    & skf21("4","4","2","6","4","5","3","1") = "5"
    & skf21("4","4","2","6","4","5","4","1") = "5"
    & skf21("4","4","2","6","4","5","5","1") = "5"
    & skf21("4","4","2","6","4","5","6","1") = "5"
    & skf21("4","4","2","6","4","5","7","1") = "6"
    & skf21("4","4","2","6","4","6","1","1") = "5"
    & skf21("4","4","2","6","4","6","2","1") = "5"
    & skf21("4","4","2","6","4","6","3","1") = "5"
    & skf21("4","4","2","6","4","6","4","1") = "5"
    & skf21("4","4","2","6","4","6","5","1") = "5"
    & skf21("4","4","2","6","4","6","6","1") = "5"
    & skf21("4","4","2","6","4","6","7","1") = "6"
    & skf21("4","4","2","6","4","7","1","1") = "6"
    & skf21("4","4","2","6","4","7","2","1") = "6"
    & skf21("4","4","2","6","4","7","3","1") = "6"
    & skf21("4","4","2","6","4","7","4","1") = "6"
    & skf21("4","4","2","6","4","7","5","1") = "6"
    & skf21("4","4","2","6","4","7","6","1") = "6"
    & skf21("4","4","2","6","4","7","7","1") = "6"
    & skf21("4","4","2","6","5","1","1","1") = "5"
    & skf21("4","4","2","6","5","1","2","1") = "5"
    & skf21("4","4","2","6","5","1","3","1") = "5"
    & skf21("4","4","2","6","5","1","4","1") = "5"
    & skf21("4","4","2","6","5","1","5","1") = "5"
    & skf21("4","4","2","6","5","1","6","1") = "5"
    & skf21("4","4","2","6","5","1","7","1") = "6"
    & skf21("4","4","2","6","5","2","1","1") = "5"
    & skf21("4","4","2","6","5","2","2","1") = "5"
    & skf21("4","4","2","6","5","2","3","1") = "5"
    & skf21("4","4","2","6","5","2","4","1") = "5"
    & skf21("4","4","2","6","5","2","5","1") = "5"
    & skf21("4","4","2","6","5","2","6","1") = "5"
    & skf21("4","4","2","6","5","2","7","1") = "6"
    & skf21("4","4","2","6","5","3","1","1") = "5"
    & skf21("4","4","2","6","5","3","2","1") = "5"
    & skf21("4","4","2","6","5","3","3","1") = "5"
    & skf21("4","4","2","6","5","3","4","1") = "5"
    & skf21("4","4","2","6","5","3","5","1") = "5"
    & skf21("4","4","2","6","5","3","6","1") = "5"
    & skf21("4","4","2","6","5","3","7","1") = "6"
    & skf21("4","4","2","6","5","4","1","1") = "5"
    & skf21("4","4","2","6","5","4","2","1") = "5"
    & skf21("4","4","2","6","5","4","3","1") = "5"
    & skf21("4","4","2","6","5","4","4","1") = "5"
    & skf21("4","4","2","6","5","4","5","1") = "5"
    & skf21("4","4","2","6","5","4","6","1") = "5"
    & skf21("4","4","2","6","5","4","7","1") = "6"
    & skf21("4","4","2","6","5","5","1","1") = "5"
    & skf21("4","4","2","6","5","5","2","1") = "5"
    & skf21("4","4","2","6","5","5","3","1") = "5"
    & skf21("4","4","2","6","5","5","4","1") = "5"
    & skf21("4","4","2","6","5","5","5","1") = "5"
    & skf21("4","4","2","6","5","5","6","1") = "5"
    & skf21("4","4","2","6","5","5","7","1") = "6"
    & skf21("4","4","2","6","5","6","1","1") = "5"
    & skf21("4","4","2","6","5","6","2","1") = "5"
    & skf21("4","4","2","6","5","6","3","1") = "5"
    & skf21("4","4","2","6","5","6","4","1") = "5"
    & skf21("4","4","2","6","5","6","5","1") = "5"
    & skf21("4","4","2","6","5","6","6","1") = "5"
    & skf21("4","4","2","6","5","6","7","1") = "6"
    & skf21("4","4","2","6","5","7","1","1") = "6"
    & skf21("4","4","2","6","5","7","2","1") = "6"
    & skf21("4","4","2","6","5","7","3","1") = "6"
    & skf21("4","4","2","6","5","7","4","1") = "6"
    & skf21("4","4","2","6","5","7","5","1") = "6"
    & skf21("4","4","2","6","5","7","6","1") = "6"
    & skf21("4","4","2","6","5","7","7","1") = "6"
    & skf21("4","4","2","6","6","1","1","1") = "5"
    & skf21("4","4","2","6","6","1","2","1") = "5"
    & skf21("4","4","2","6","6","1","3","1") = "5"
    & skf21("4","4","2","6","6","1","4","1") = "5"
    & skf21("4","4","2","6","6","1","5","1") = "5"
    & skf21("4","4","2","6","6","1","6","1") = "5"
    & skf21("4","4","2","6","6","1","7","1") = "6"
    & skf21("4","4","2","6","6","2","1","1") = "5"
    & skf21("4","4","2","6","6","2","2","1") = "5"
    & skf21("4","4","2","6","6","2","3","1") = "5"
    & skf21("4","4","2","6","6","2","4","1") = "5"
    & skf21("4","4","2","6","6","2","5","1") = "5"
    & skf21("4","4","2","6","6","2","6","1") = "5"
    & skf21("4","4","2","6","6","2","7","1") = "6"
    & skf21("4","4","2","6","6","3","1","1") = "5"
    & skf21("4","4","2","6","6","3","2","1") = "5"
    & skf21("4","4","2","6","6","3","3","1") = "5"
    & skf21("4","4","2","6","6","3","4","1") = "5"
    & skf21("4","4","2","6","6","3","5","1") = "5"
    & skf21("4","4","2","6","6","3","6","1") = "5"
    & skf21("4","4","2","6","6","3","7","1") = "6"
    & skf21("4","4","2","6","6","4","1","1") = "5"
    & skf21("4","4","2","6","6","4","2","1") = "5"
    & skf21("4","4","2","6","6","4","3","1") = "5"
    & skf21("4","4","2","6","6","4","4","1") = "5"
    & skf21("4","4","2","6","6","4","5","1") = "5"
    & skf21("4","4","2","6","6","4","6","1") = "5"
    & skf21("4","4","2","6","6","4","7","1") = "6"
    & skf21("4","4","2","6","6","5","1","1") = "5"
    & skf21("4","4","2","6","6","5","2","1") = "5"
    & skf21("4","4","2","6","6","5","3","1") = "5"
    & skf21("4","4","2","6","6","5","4","1") = "5"
    & skf21("4","4","2","6","6","5","5","1") = "5"
    & skf21("4","4","2","6","6","5","6","1") = "5"
    & skf21("4","4","2","6","6","5","7","1") = "6"
    & skf21("4","4","2","6","6","6","1","1") = "5"
    & skf21("4","4","2","6","6","6","2","1") = "5"
    & skf21("4","4","2","6","6","6","3","1") = "5"
    & skf21("4","4","2","6","6","6","4","1") = "5"
    & skf21("4","4","2","6","6","6","5","1") = "5"
    & skf21("4","4","2","6","6","6","6","1") = "5"
    & skf21("4","4","2","6","6","6","7","1") = "6"
    & skf21("4","4","2","6","6","7","1","1") = "6"
    & skf21("4","4","2","6","6","7","2","1") = "6"
    & skf21("4","4","2","6","6","7","3","1") = "6"
    & skf21("4","4","2","6","6","7","4","1") = "6"
    & skf21("4","4","2","6","6","7","5","1") = "6"
    & skf21("4","4","2","6","6","7","6","1") = "6"
    & skf21("4","4","2","6","6","7","7","1") = "6"
    & skf21("4","4","2","6","7","1","1","1") = "6"
    & skf21("4","4","2","6","7","1","2","1") = "6"
    & skf21("4","4","2","6","7","1","3","1") = "6"
    & skf21("4","4","2","6","7","1","4","1") = "6"
    & skf21("4","4","2","6","7","1","5","1") = "6"
    & skf21("4","4","2","6","7","1","6","1") = "6"
    & skf21("4","4","2","6","7","1","7","1") = "6"
    & skf21("4","4","2","6","7","2","1","1") = "6"
    & skf21("4","4","2","6","7","2","2","1") = "6"
    & skf21("4","4","2","6","7","2","3","1") = "6"
    & skf21("4","4","2","6","7","2","4","1") = "6"
    & skf21("4","4","2","6","7","2","5","1") = "6"
    & skf21("4","4","2","6","7","2","6","1") = "6"
    & skf21("4","4","2","6","7","2","7","1") = "6"
    & skf21("4","4","2","6","7","3","1","1") = "6"
    & skf21("4","4","2","6","7","3","2","1") = "6"
    & skf21("4","4","2","6","7","3","3","1") = "6"
    & skf21("4","4","2","6","7","3","4","1") = "6"
    & skf21("4","4","2","6","7","3","5","1") = "6"
    & skf21("4","4","2","6","7","3","6","1") = "6"
    & skf21("4","4","2","6","7","3","7","1") = "6"
    & skf21("4","4","2","6","7","4","1","1") = "6"
    & skf21("4","4","2","6","7","4","2","1") = "6"
    & skf21("4","4","2","6","7","4","3","1") = "6"
    & skf21("4","4","2","6","7","4","4","1") = "6"
    & skf21("4","4","2","6","7","4","5","1") = "6"
    & skf21("4","4","2","6","7","4","6","1") = "6"
    & skf21("4","4","2","6","7","4","7","1") = "6"
    & skf21("4","4","2","6","7","5","1","1") = "6"
    & skf21("4","4","2","6","7","5","2","1") = "6"
    & skf21("4","4","2","6","7","5","3","1") = "6"
    & skf21("4","4","2","6","7","5","4","1") = "6"
    & skf21("4","4","2","6","7","5","5","1") = "6"
    & skf21("4","4","2","6","7","5","6","1") = "6"
    & skf21("4","4","2","6","7","5","7","1") = "6"
    & skf21("4","4","2","6","7","6","1","1") = "6"
    & skf21("4","4","2","6","7","6","2","1") = "6"
    & skf21("4","4","2","6","7","6","3","1") = "6"
    & skf21("4","4","2","6","7","6","4","1") = "6"
    & skf21("4","4","2","6","7","6","5","1") = "6"
    & skf21("4","4","2","6","7","6","6","1") = "6"
    & skf21("4","4","2","6","7","6","7","1") = "6"
    & skf21("4","4","2","6","7","7","1","1") = "6"
    & skf21("4","4","2","6","7","7","2","1") = "6"
    & skf21("4","4","2","6","7","7","3","1") = "6"
    & skf21("4","4","2","6","7","7","4","1") = "6"
    & skf21("4","4","2","6","7","7","5","1") = "6"
    & skf21("4","4","2","6","7","7","6","1") = "6"
    & skf21("4","4","2","6","7","7","7","1") = "6"
    & skf21("4","4","2","7","1","1","1","1") = "6"
    & skf21("4","4","2","7","1","1","2","1") = "6"
    & skf21("4","4","2","7","1","1","3","1") = "6"
    & skf21("4","4","2","7","1","1","4","1") = "6"
    & skf21("4","4","2","7","1","1","5","1") = "6"
    & skf21("4","4","2","7","1","1","6","1") = "6"
    & skf21("4","4","2","7","1","1","7","1") = "6"
    & skf21("4","4","2","7","1","2","1","1") = "6"
    & skf21("4","4","2","7","1","2","2","1") = "6"
    & skf21("4","4","2","7","1","2","3","1") = "6"
    & skf21("4","4","2","7","1","2","4","1") = "6"
    & skf21("4","4","2","7","1","2","5","1") = "6"
    & skf21("4","4","2","7","1","2","6","1") = "6"
    & skf21("4","4","2","7","1","2","7","1") = "6"
    & skf21("4","4","2","7","1","3","1","1") = "6"
    & skf21("4","4","2","7","1","3","2","1") = "6"
    & skf21("4","4","2","7","1","3","3","1") = "6"
    & skf21("4","4","2","7","1","3","4","1") = "6"
    & skf21("4","4","2","7","1","3","5","1") = "6"
    & skf21("4","4","2","7","1","3","6","1") = "6"
    & skf21("4","4","2","7","1","3","7","1") = "6"
    & skf21("4","4","2","7","1","4","1","1") = "6"
    & skf21("4","4","2","7","1","4","2","1") = "6"
    & skf21("4","4","2","7","1","4","3","1") = "6"
    & skf21("4","4","2","7","1","4","4","1") = "6"
    & skf21("4","4","2","7","1","4","5","1") = "6"
    & skf21("4","4","2","7","1","4","6","1") = "6"
    & skf21("4","4","2","7","1","4","7","1") = "6"
    & skf21("4","4","2","7","1","5","1","1") = "6"
    & skf21("4","4","2","7","1","5","2","1") = "6"
    & skf21("4","4","2","7","1","5","3","1") = "6"
    & skf21("4","4","2","7","1","5","4","1") = "6"
    & skf21("4","4","2","7","1","5","5","1") = "6"
    & skf21("4","4","2","7","1","5","6","1") = "6"
    & skf21("4","4","2","7","1","5","7","1") = "6"
    & skf21("4","4","2","7","1","6","1","1") = "6"
    & skf21("4","4","2","7","1","6","2","1") = "6"
    & skf21("4","4","2","7","1","6","3","1") = "6"
    & skf21("4","4","2","7","1","6","4","1") = "6"
    & skf21("4","4","2","7","1","6","5","1") = "6"
    & skf21("4","4","2","7","1","6","6","1") = "6"
    & skf21("4","4","2","7","1","6","7","1") = "6"
    & skf21("4","4","2","7","1","7","1","1") = "6"
    & skf21("4","4","2","7","1","7","2","1") = "6"
    & skf21("4","4","2","7","1","7","3","1") = "6"
    & skf21("4","4","2","7","1","7","4","1") = "6"
    & skf21("4","4","2","7","1","7","5","1") = "6"
    & skf21("4","4","2","7","1","7","6","1") = "6"
    & skf21("4","4","2","7","1","7","7","1") = "6"
    & skf21("4","4","2","7","2","1","1","1") = "6"
    & skf21("4","4","2","7","2","1","2","1") = "6"
    & skf21("4","4","2","7","2","1","3","1") = "6"
    & skf21("4","4","2","7","2","1","4","1") = "6"
    & skf21("4","4","2","7","2","1","5","1") = "6"
    & skf21("4","4","2","7","2","1","6","1") = "6"
    & skf21("4","4","2","7","2","1","7","1") = "6"
    & skf21("4","4","2","7","2","2","1","1") = "6"
    & skf21("4","4","2","7","2","2","2","1") = "6"
    & skf21("4","4","2","7","2","2","3","1") = "6"
    & skf21("4","4","2","7","2","2","4","1") = "6"
    & skf21("4","4","2","7","2","2","5","1") = "6"
    & skf21("4","4","2","7","2","2","6","1") = "6"
    & skf21("4","4","2","7","2","2","7","1") = "6"
    & skf21("4","4","2","7","2","3","1","1") = "6"
    & skf21("4","4","2","7","2","3","2","1") = "6"
    & skf21("4","4","2","7","2","3","3","1") = "6"
    & skf21("4","4","2","7","2","3","4","1") = "6"
    & skf21("4","4","2","7","2","3","5","1") = "6"
    & skf21("4","4","2","7","2","3","6","1") = "6"
    & skf21("4","4","2","7","2","3","7","1") = "6"
    & skf21("4","4","2","7","2","4","1","1") = "6"
    & skf21("4","4","2","7","2","4","2","1") = "6"
    & skf21("4","4","2","7","2","4","3","1") = "6"
    & skf21("4","4","2","7","2","4","4","1") = "6"
    & skf21("4","4","2","7","2","4","5","1") = "6"
    & skf21("4","4","2","7","2","4","6","1") = "6"
    & skf21("4","4","2","7","2","4","7","1") = "6"
    & skf21("4","4","2","7","2","5","1","1") = "6"
    & skf21("4","4","2","7","2","5","2","1") = "6"
    & skf21("4","4","2","7","2","5","3","1") = "6"
    & skf21("4","4","2","7","2","5","4","1") = "6"
    & skf21("4","4","2","7","2","5","5","1") = "6"
    & skf21("4","4","2","7","2","5","6","1") = "6"
    & skf21("4","4","2","7","2","5","7","1") = "6"
    & skf21("4","4","2","7","2","6","1","1") = "6"
    & skf21("4","4","2","7","2","6","2","1") = "6"
    & skf21("4","4","2","7","2","6","3","1") = "6"
    & skf21("4","4","2","7","2","6","4","1") = "6"
    & skf21("4","4","2","7","2","6","5","1") = "6"
    & skf21("4","4","2","7","2","6","6","1") = "6"
    & skf21("4","4","2","7","2","6","7","1") = "6"
    & skf21("4","4","2","7","2","7","1","1") = "6"
    & skf21("4","4","2","7","2","7","2","1") = "6"
    & skf21("4","4","2","7","2","7","3","1") = "6"
    & skf21("4","4","2","7","2","7","4","1") = "6"
    & skf21("4","4","2","7","2","7","5","1") = "6"
    & skf21("4","4","2","7","2","7","6","1") = "6"
    & skf21("4","4","2","7","2","7","7","1") = "6"
    & skf21("4","4","2","7","3","1","1","1") = "6"
    & skf21("4","4","2","7","3","1","2","1") = "6"
    & skf21("4","4","2","7","3","1","3","1") = "6"
    & skf21("4","4","2","7","3","1","4","1") = "6"
    & skf21("4","4","2","7","3","1","5","1") = "6"
    & skf21("4","4","2","7","3","1","6","1") = "6"
    & skf21("4","4","2","7","3","1","7","1") = "6"
    & skf21("4","4","2","7","3","2","1","1") = "6"
    & skf21("4","4","2","7","3","2","2","1") = "6"
    & skf21("4","4","2","7","3","2","3","1") = "6"
    & skf21("4","4","2","7","3","2","4","1") = "6"
    & skf21("4","4","2","7","3","2","5","1") = "6"
    & skf21("4","4","2","7","3","2","6","1") = "6"
    & skf21("4","4","2","7","3","2","7","1") = "6"
    & skf21("4","4","2","7","3","3","1","1") = "6"
    & skf21("4","4","2","7","3","3","2","1") = "6"
    & skf21("4","4","2","7","3","3","3","1") = "6"
    & skf21("4","4","2","7","3","3","4","1") = "6"
    & skf21("4","4","2","7","3","3","5","1") = "6"
    & skf21("4","4","2","7","3","3","6","1") = "6"
    & skf21("4","4","2","7","3","3","7","1") = "6"
    & skf21("4","4","2","7","3","4","1","1") = "6"
    & skf21("4","4","2","7","3","4","2","1") = "6"
    & skf21("4","4","2","7","3","4","3","1") = "6"
    & skf21("4","4","2","7","3","4","4","1") = "6"
    & skf21("4","4","2","7","3","4","5","1") = "6"
    & skf21("4","4","2","7","3","4","6","1") = "6"
    & skf21("4","4","2","7","3","4","7","1") = "6"
    & skf21("4","4","2","7","3","5","1","1") = "6"
    & skf21("4","4","2","7","3","5","2","1") = "6"
    & skf21("4","4","2","7","3","5","3","1") = "6"
    & skf21("4","4","2","7","3","5","4","1") = "6"
    & skf21("4","4","2","7","3","5","5","1") = "6"
    & skf21("4","4","2","7","3","5","6","1") = "6"
    & skf21("4","4","2","7","3","5","7","1") = "6"
    & skf21("4","4","2","7","3","6","1","1") = "6"
    & skf21("4","4","2","7","3","6","2","1") = "6"
    & skf21("4","4","2","7","3","6","3","1") = "6"
    & skf21("4","4","2","7","3","6","4","1") = "6"
    & skf21("4","4","2","7","3","6","5","1") = "6"
    & skf21("4","4","2","7","3","6","6","1") = "6"
    & skf21("4","4","2","7","3","6","7","1") = "6"
    & skf21("4","4","2","7","3","7","1","1") = "6"
    & skf21("4","4","2","7","3","7","2","1") = "6"
    & skf21("4","4","2","7","3","7","3","1") = "6"
    & skf21("4","4","2","7","3","7","4","1") = "6"
    & skf21("4","4","2","7","3","7","5","1") = "6"
    & skf21("4","4","2","7","3","7","6","1") = "6"
    & skf21("4","4","2","7","3","7","7","1") = "6"
    & skf21("4","4","2","7","4","1","1","1") = "6"
    & skf21("4","4","2","7","4","1","2","1") = "6"
    & skf21("4","4","2","7","4","1","3","1") = "6"
    & skf21("4","4","2","7","4","1","4","1") = "6"
    & skf21("4","4","2","7","4","1","5","1") = "6"
    & skf21("4","4","2","7","4","1","6","1") = "6"
    & skf21("4","4","2","7","4","1","7","1") = "6"
    & skf21("4","4","2","7","4","2","1","1") = "6"
    & skf21("4","4","2","7","4","2","2","1") = "6"
    & skf21("4","4","2","7","4","2","3","1") = "6"
    & skf21("4","4","2","7","4","2","4","1") = "6"
    & skf21("4","4","2","7","4","2","5","1") = "6"
    & skf21("4","4","2","7","4","2","6","1") = "6"
    & skf21("4","4","2","7","4","2","7","1") = "6"
    & skf21("4","4","2","7","4","3","1","1") = "6"
    & skf21("4","4","2","7","4","3","2","1") = "6"
    & skf21("4","4","2","7","4","3","3","1") = "6"
    & skf21("4","4","2","7","4","3","4","1") = "6"
    & skf21("4","4","2","7","4","3","5","1") = "6"
    & skf21("4","4","2","7","4","3","6","1") = "6"
    & skf21("4","4","2","7","4","3","7","1") = "6"
    & skf21("4","4","2","7","4","4","1","1") = "6"
    & skf21("4","4","2","7","4","4","2","1") = "6"
    & skf21("4","4","2","7","4","4","3","1") = "6"
    & skf21("4","4","2","7","4","4","4","1") = "6"
    & skf21("4","4","2","7","4","4","5","1") = "6"
    & skf21("4","4","2","7","4","4","6","1") = "6"
    & skf21("4","4","2","7","4","4","7","1") = "6"
    & skf21("4","4","2","7","4","5","1","1") = "6"
    & skf21("4","4","2","7","4","5","2","1") = "6"
    & skf21("4","4","2","7","4","5","3","1") = "6"
    & skf21("4","4","2","7","4","5","4","1") = "6"
    & skf21("4","4","2","7","4","5","5","1") = "6"
    & skf21("4","4","2","7","4","5","6","1") = "6"
    & skf21("4","4","2","7","4","5","7","1") = "6"
    & skf21("4","4","2","7","4","6","1","1") = "6"
    & skf21("4","4","2","7","4","6","2","1") = "6"
    & skf21("4","4","2","7","4","6","3","1") = "6"
    & skf21("4","4","2","7","4","6","4","1") = "6"
    & skf21("4","4","2","7","4","6","5","1") = "6"
    & skf21("4","4","2","7","4","6","6","1") = "6"
    & skf21("4","4","2","7","4","6","7","1") = "6"
    & skf21("4","4","2","7","4","7","1","1") = "6"
    & skf21("4","4","2","7","4","7","2","1") = "6"
    & skf21("4","4","2","7","4","7","3","1") = "6"
    & skf21("4","4","2","7","4","7","4","1") = "6"
    & skf21("4","4","2","7","4","7","5","1") = "6"
    & skf21("4","4","2","7","4","7","6","1") = "6"
    & skf21("4","4","2","7","4","7","7","1") = "6"
    & skf21("4","4","2","7","5","1","1","1") = "6"
    & skf21("4","4","2","7","5","1","2","1") = "6"
    & skf21("4","4","2","7","5","1","3","1") = "6"
    & skf21("4","4","2","7","5","1","4","1") = "6"
    & skf21("4","4","2","7","5","1","5","1") = "6"
    & skf21("4","4","2","7","5","1","6","1") = "6"
    & skf21("4","4","2","7","5","1","7","1") = "6"
    & skf21("4","4","2","7","5","2","1","1") = "6"
    & skf21("4","4","2","7","5","2","2","1") = "6"
    & skf21("4","4","2","7","5","2","3","1") = "6"
    & skf21("4","4","2","7","5","2","4","1") = "6"
    & skf21("4","4","2","7","5","2","5","1") = "6"
    & skf21("4","4","2","7","5","2","6","1") = "6"
    & skf21("4","4","2","7","5","2","7","1") = "6"
    & skf21("4","4","2","7","5","3","1","1") = "6"
    & skf21("4","4","2","7","5","3","2","1") = "6"
    & skf21("4","4","2","7","5","3","3","1") = "6"
    & skf21("4","4","2","7","5","3","4","1") = "6"
    & skf21("4","4","2","7","5","3","5","1") = "6"
    & skf21("4","4","2","7","5","3","6","1") = "6"
    & skf21("4","4","2","7","5","3","7","1") = "6"
    & skf21("4","4","2","7","5","4","1","1") = "6"
    & skf21("4","4","2","7","5","4","2","1") = "6"
    & skf21("4","4","2","7","5","4","3","1") = "6"
    & skf21("4","4","2","7","5","4","4","1") = "6"
    & skf21("4","4","2","7","5","4","5","1") = "6"
    & skf21("4","4","2","7","5","4","6","1") = "6"
    & skf21("4","4","2","7","5","4","7","1") = "6"
    & skf21("4","4","2","7","5","5","1","1") = "6"
    & skf21("4","4","2","7","5","5","2","1") = "6"
    & skf21("4","4","2","7","5","5","3","1") = "6"
    & skf21("4","4","2","7","5","5","4","1") = "6"
    & skf21("4","4","2","7","5","5","5","1") = "6"
    & skf21("4","4","2","7","5","5","6","1") = "6"
    & skf21("4","4","2","7","5","5","7","1") = "6"
    & skf21("4","4","2","7","5","6","1","1") = "6"
    & skf21("4","4","2","7","5","6","2","1") = "6"
    & skf21("4","4","2","7","5","6","3","1") = "6"
    & skf21("4","4","2","7","5","6","4","1") = "6"
    & skf21("4","4","2","7","5","6","5","1") = "6"
    & skf21("4","4","2","7","5","6","6","1") = "6"
    & skf21("4","4","2","7","5","6","7","1") = "6"
    & skf21("4","4","2","7","5","7","1","1") = "6"
    & skf21("4","4","2","7","5","7","2","1") = "6"
    & skf21("4","4","2","7","5","7","3","1") = "6"
    & skf21("4","4","2","7","5","7","4","1") = "6"
    & skf21("4","4","2","7","5","7","5","1") = "6"
    & skf21("4","4","2","7","5","7","6","1") = "6"
    & skf21("4","4","2","7","5","7","7","1") = "6"
    & skf21("4","4","2","7","6","1","1","1") = "6"
    & skf21("4","4","2","7","6","1","2","1") = "6"
    & skf21("4","4","2","7","6","1","3","1") = "6"
    & skf21("4","4","2","7","6","1","4","1") = "6"
    & skf21("4","4","2","7","6","1","5","1") = "6"
    & skf21("4","4","2","7","6","1","6","1") = "6"
    & skf21("4","4","2","7","6","1","7","1") = "6"
    & skf21("4","4","2","7","6","2","1","1") = "6"
    & skf21("4","4","2","7","6","2","2","1") = "6"
    & skf21("4","4","2","7","6","2","3","1") = "6"
    & skf21("4","4","2","7","6","2","4","1") = "6"
    & skf21("4","4","2","7","6","2","5","1") = "6"
    & skf21("4","4","2","7","6","2","6","1") = "6"
    & skf21("4","4","2","7","6","2","7","1") = "6"
    & skf21("4","4","2","7","6","3","1","1") = "6"
    & skf21("4","4","2","7","6","3","2","1") = "6"
    & skf21("4","4","2","7","6","3","3","1") = "6"
    & skf21("4","4","2","7","6","3","4","1") = "6"
    & skf21("4","4","2","7","6","3","5","1") = "6"
    & skf21("4","4","2","7","6","3","6","1") = "6"
    & skf21("4","4","2","7","6","3","7","1") = "6"
    & skf21("4","4","2","7","6","4","1","1") = "6"
    & skf21("4","4","2","7","6","4","2","1") = "6"
    & skf21("4","4","2","7","6","4","3","1") = "6"
    & skf21("4","4","2","7","6","4","4","1") = "6"
    & skf21("4","4","2","7","6","4","5","1") = "6"
    & skf21("4","4","2","7","6","4","6","1") = "6"
    & skf21("4","4","2","7","6","4","7","1") = "6"
    & skf21("4","4","2","7","6","5","1","1") = "6"
    & skf21("4","4","2","7","6","5","2","1") = "6"
    & skf21("4","4","2","7","6","5","3","1") = "6"
    & skf21("4","4","2","7","6","5","4","1") = "6"
    & skf21("4","4","2","7","6","5","5","1") = "6"
    & skf21("4","4","2","7","6","5","6","1") = "6"
    & skf21("4","4","2","7","6","5","7","1") = "6"
    & skf21("4","4","2","7","6","6","1","1") = "6"
    & skf21("4","4","2","7","6","6","2","1") = "6"
    & skf21("4","4","2","7","6","6","3","1") = "6"
    & skf21("4","4","2","7","6","6","4","1") = "6"
    & skf21("4","4","2","7","6","6","5","1") = "6"
    & skf21("4","4","2","7","6","6","6","1") = "6"
    & skf21("4","4","2","7","6","6","7","1") = "6"
    & skf21("4","4","2","7","6","7","1","1") = "6"
    & skf21("4","4","2","7","6","7","2","1") = "6"
    & skf21("4","4","2","7","6","7","3","1") = "6"
    & skf21("4","4","2","7","6","7","4","1") = "6"
    & skf21("4","4","2","7","6","7","5","1") = "6"
    & skf21("4","4","2","7","6","7","6","1") = "6"
    & skf21("4","4","2","7","6","7","7","1") = "6"
    & skf21("4","4","2","7","7","1","1","1") = "6"
    & skf21("4","4","2","7","7","1","2","1") = "6"
    & skf21("4","4","2","7","7","1","3","1") = "6"
    & skf21("4","4","2","7","7","1","4","1") = "6"
    & skf21("4","4","2","7","7","1","5","1") = "6"
    & skf21("4","4","2","7","7","1","6","1") = "6"
    & skf21("4","4","2","7","7","1","7","1") = "6"
    & skf21("4","4","2","7","7","2","1","1") = "6"
    & skf21("4","4","2","7","7","2","2","1") = "6"
    & skf21("4","4","2","7","7","2","3","1") = "6"
    & skf21("4","4","2","7","7","2","4","1") = "6"
    & skf21("4","4","2","7","7","2","5","1") = "6"
    & skf21("4","4","2","7","7","2","6","1") = "6"
    & skf21("4","4","2","7","7","2","7","1") = "6"
    & skf21("4","4","2","7","7","3","1","1") = "6"
    & skf21("4","4","2","7","7","3","2","1") = "6"
    & skf21("4","4","2","7","7","3","3","1") = "6"
    & skf21("4","4","2","7","7","3","4","1") = "6"
    & skf21("4","4","2","7","7","3","5","1") = "6"
    & skf21("4","4","2","7","7","3","6","1") = "6"
    & skf21("4","4","2","7","7","3","7","1") = "6"
    & skf21("4","4","2","7","7","4","1","1") = "6"
    & skf21("4","4","2","7","7","4","2","1") = "6"
    & skf21("4","4","2","7","7","4","3","1") = "6"
    & skf21("4","4","2","7","7","4","4","1") = "6"
    & skf21("4","4","2","7","7","4","5","1") = "6"
    & skf21("4","4","2","7","7","4","6","1") = "6"
    & skf21("4","4","2","7","7","4","7","1") = "6"
    & skf21("4","4","2","7","7","5","1","1") = "6"
    & skf21("4","4","2","7","7","5","2","1") = "6"
    & skf21("4","4","2","7","7","5","3","1") = "6"
    & skf21("4","4","2","7","7","5","4","1") = "6"
    & skf21("4","4","2","7","7","5","5","1") = "6"
    & skf21("4","4","2","7","7","5","6","1") = "6"
    & skf21("4","4","2","7","7","5","7","1") = "6"
    & skf21("4","4","2","7","7","6","1","1") = "6"
    & skf21("4","4","2","7","7","6","2","1") = "6"
    & skf21("4","4","2","7","7","6","3","1") = "6"
    & skf21("4","4","2","7","7","6","4","1") = "6"
    & skf21("4","4","2","7","7","6","5","1") = "6"
    & skf21("4","4","2","7","7","6","6","1") = "6"
    & skf21("4","4","2","7","7","6","7","1") = "6"
    & skf21("4","4","2","7","7","7","1","1") = "6"
    & skf21("4","4","2","7","7","7","2","1") = "6"
    & skf21("4","4","2","7","7","7","3","1") = "6"
    & skf21("4","4","2","7","7","7","4","1") = "6"
    & skf21("4","4","2","7","7","7","5","1") = "6"
    & skf21("4","4","2","7","7","7","6","1") = "6"
    & skf21("4","4","2","7","7","7","7","1") = "6"
    & skf21("4","4","3","1","1","1","1","1") = "3"
    & skf21("4","4","3","1","1","1","2","1") = "3"
    & skf21("4","4","3","1","1","1","3","1") = "3"
    & skf21("4","4","3","1","1","1","4","1") = "3"
    & skf21("4","4","3","1","1","1","5","1") = "4"
    & skf21("4","4","3","1","1","1","6","1") = "5"
    & skf21("4","4","3","1","1","1","7","1") = "6"
    & skf21("4","4","3","1","1","2","1","1") = "3"
    & skf21("4","4","3","1","1","2","2","1") = "3"
    & skf21("4","4","3","1","1","2","3","1") = "3"
    & skf21("4","4","3","1","1","2","4","1") = "3"
    & skf21("4","4","3","1","1","2","5","1") = "4"
    & skf21("4","4","3","1","1","2","6","1") = "5"
    & skf21("4","4","3","1","1","2","7","1") = "6"
    & skf21("4","4","3","1","1","3","1","1") = "3"
    & skf21("4","4","3","1","1","3","2","1") = "3"
    & skf21("4","4","3","1","1","3","3","1") = "3"
    & skf21("4","4","3","1","1","3","4","1") = "3"
    & skf21("4","4","3","1","1","3","5","1") = "4"
    & skf21("4","4","3","1","1","3","6","1") = "5"
    & skf21("4","4","3","1","1","3","7","1") = "6"
    & skf21("4","4","3","1","1","4","1","1") = "3"
    & skf21("4","4","3","1","1","4","2","1") = "3"
    & skf21("4","4","3","1","1","4","3","1") = "3"
    & skf21("4","4","3","1","1","4","4","1") = "3"
    & skf21("4","4","3","1","1","4","5","1") = "4"
    & skf21("4","4","3","1","1","4","6","1") = "5"
    & skf21("4","4","3","1","1","4","7","1") = "6"
    & skf21("4","4","3","1","1","5","1","1") = "4"
    & skf21("4","4","3","1","1","5","2","1") = "4"
    & skf21("4","4","3","1","1","5","3","1") = "4"
    & skf21("4","4","3","1","1","5","4","1") = "4"
    & skf21("4","4","3","1","1","5","5","1") = "4"
    & skf21("4","4","3","1","1","5","6","1") = "5"
    & skf21("4","4","3","1","1","5","7","1") = "6"
    & skf21("4","4","3","1","1","6","1","1") = "5"
    & skf21("4","4","3","1","1","6","2","1") = "5"
    & skf21("4","4","3","1","1","6","3","1") = "5"
    & skf21("4","4","3","1","1","6","4","1") = "5"
    & skf21("4","4","3","1","1","6","5","1") = "5"
    & skf21("4","4","3","1","1","6","6","1") = "5"
    & skf21("4","4","3","1","1","6","7","1") = "6"
    & skf21("4","4","3","1","1","7","1","1") = "6"
    & skf21("4","4","3","1","1","7","2","1") = "6"
    & skf21("4","4","3","1","1","7","3","1") = "6"
    & skf21("4","4","3","1","1","7","4","1") = "6"
    & skf21("4","4","3","1","1","7","5","1") = "6"
    & skf21("4","4","3","1","1","7","6","1") = "6"
    & skf21("4","4","3","1","1","7","7","1") = "6"
    & skf21("4","4","3","1","2","1","1","1") = "3"
    & skf21("4","4","3","1","2","1","2","1") = "3"
    & skf21("4","4","3","1","2","1","3","1") = "3"
    & skf21("4","4","3","1","2","1","4","1") = "3"
    & skf21("4","4","3","1","2","1","5","1") = "4"
    & skf21("4","4","3","1","2","1","6","1") = "5"
    & skf21("4","4","3","1","2","1","7","1") = "6"
    & skf21("4","4","3","1","2","2","1","1") = "3"
    & skf21("4","4","3","1","2","2","2","1") = "3"
    & skf21("4","4","3","1","2","2","3","1") = "3"
    & skf21("4","4","3","1","2","2","4","1") = "3"
    & skf21("4","4","3","1","2","2","5","1") = "4"
    & skf21("4","4","3","1","2","2","6","1") = "5"
    & skf21("4","4","3","1","2","2","7","1") = "6"
    & skf21("4","4","3","1","2","3","1","1") = "3"
    & skf21("4","4","3","1","2","3","2","1") = "3"
    & skf21("4","4","3","1","2","3","3","1") = "3"
    & skf21("4","4","3","1","2","3","4","1") = "3"
    & skf21("4","4","3","1","2","3","5","1") = "4"
    & skf21("4","4","3","1","2","3","6","1") = "5"
    & skf21("4","4","3","1","2","3","7","1") = "6"
    & skf21("4","4","3","1","2","4","1","1") = "3"
    & skf21("4","4","3","1","2","4","2","1") = "3"
    & skf21("4","4","3","1","2","4","3","1") = "3"
    & skf21("4","4","3","1","2","4","4","1") = "3"
    & skf21("4","4","3","1","2","4","5","1") = "4"
    & skf21("4","4","3","1","2","4","6","1") = "5"
    & skf21("4","4","3","1","2","4","7","1") = "6"
    & skf21("4","4","3","1","2","5","1","1") = "4"
    & skf21("4","4","3","1","2","5","2","1") = "4"
    & skf21("4","4","3","1","2","5","3","1") = "4"
    & skf21("4","4","3","1","2","5","4","1") = "4"
    & skf21("4","4","3","1","2","5","5","1") = "4"
    & skf21("4","4","3","1","2","5","6","1") = "5"
    & skf21("4","4","3","1","2","5","7","1") = "6"
    & skf21("4","4","3","1","2","6","1","1") = "5"
    & skf21("4","4","3","1","2","6","2","1") = "5"
    & skf21("4","4","3","1","2","6","3","1") = "5"
    & skf21("4","4","3","1","2","6","4","1") = "5"
    & skf21("4","4","3","1","2","6","5","1") = "5"
    & skf21("4","4","3","1","2","6","6","1") = "5"
    & skf21("4","4","3","1","2","6","7","1") = "6"
    & skf21("4","4","3","1","2","7","1","1") = "6"
    & skf21("4","4","3","1","2","7","2","1") = "6"
    & skf21("4","4","3","1","2","7","3","1") = "6"
    & skf21("4","4","3","1","2","7","4","1") = "6"
    & skf21("4","4","3","1","2","7","5","1") = "6"
    & skf21("4","4","3","1","2","7","6","1") = "6"
    & skf21("4","4","3","1","2","7","7","1") = "6"
    & skf21("4","4","3","1","3","1","1","1") = "3"
    & skf21("4","4","3","1","3","1","2","1") = "3"
    & skf21("4","4","3","1","3","1","3","1") = "3"
    & skf21("4","4","3","1","3","1","4","1") = "3"
    & skf21("4","4","3","1","3","1","5","1") = "4"
    & skf21("4","4","3","1","3","1","6","1") = "5"
    & skf21("4","4","3","1","3","1","7","1") = "6"
    & skf21("4","4","3","1","3","2","1","1") = "3"
    & skf21("4","4","3","1","3","2","2","1") = "3"
    & skf21("4","4","3","1","3","2","3","1") = "3"
    & skf21("4","4","3","1","3","2","4","1") = "3"
    & skf21("4","4","3","1","3","2","5","1") = "4"
    & skf21("4","4","3","1","3","2","6","1") = "5"
    & skf21("4","4","3","1","3","2","7","1") = "6"
    & skf21("4","4","3","1","3","3","1","1") = "3"
    & skf21("4","4","3","1","3","3","2","1") = "3"
    & skf21("4","4","3","1","3","3","3","1") = "3"
    & skf21("4","4","3","1","3","3","4","1") = "3"
    & skf21("4","4","3","1","3","3","5","1") = "4"
    & skf21("4","4","3","1","3","3","6","1") = "5"
    & skf21("4","4","3","1","3","3","7","1") = "6"
    & skf21("4","4","3","1","3","4","1","1") = "3"
    & skf21("4","4","3","1","3","4","2","1") = "3"
    & skf21("4","4","3","1","3","4","3","1") = "3"
    & skf21("4","4","3","1","3","4","4","1") = "3"
    & skf21("4","4","3","1","3","4","5","1") = "4"
    & skf21("4","4","3","1","3","4","6","1") = "5"
    & skf21("4","4","3","1","3","4","7","1") = "6"
    & skf21("4","4","3","1","3","5","1","1") = "4"
    & skf21("4","4","3","1","3","5","2","1") = "4"
    & skf21("4","4","3","1","3","5","3","1") = "4"
    & skf21("4","4","3","1","3","5","4","1") = "4"
    & skf21("4","4","3","1","3","5","5","1") = "4"
    & skf21("4","4","3","1","3","5","6","1") = "5"
    & skf21("4","4","3","1","3","5","7","1") = "6"
    & skf21("4","4","3","1","3","6","1","1") = "5"
    & skf21("4","4","3","1","3","6","2","1") = "5"
    & skf21("4","4","3","1","3","6","3","1") = "5"
    & skf21("4","4","3","1","3","6","4","1") = "5"
    & skf21("4","4","3","1","3","6","5","1") = "5"
    & skf21("4","4","3","1","3","6","6","1") = "5"
    & skf21("4","4","3","1","3","6","7","1") = "6"
    & skf21("4","4","3","1","3","7","1","1") = "6"
    & skf21("4","4","3","1","3","7","2","1") = "6"
    & skf21("4","4","3","1","3","7","3","1") = "6"
    & skf21("4","4","3","1","3","7","4","1") = "6"
    & skf21("4","4","3","1","3","7","5","1") = "6"
    & skf21("4","4","3","1","3","7","6","1") = "6"
    & skf21("4","4","3","1","3","7","7","1") = "6"
    & skf21("4","4","3","1","4","1","1","1") = "3"
    & skf21("4","4","3","1","4","1","2","1") = "3"
    & skf21("4","4","3","1","4","1","3","1") = "3"
    & skf21("4","4","3","1","4","1","4","1") = "3"
    & skf21("4","4","3","1","4","1","5","1") = "4"
    & skf21("4","4","3","1","4","1","6","1") = "5"
    & skf21("4","4","3","1","4","1","7","1") = "6"
    & skf21("4","4","3","1","4","2","1","1") = "3"
    & skf21("4","4","3","1","4","2","2","1") = "3"
    & skf21("4","4","3","1","4","2","3","1") = "3"
    & skf21("4","4","3","1","4","2","4","1") = "3"
    & skf21("4","4","3","1","4","2","5","1") = "4"
    & skf21("4","4","3","1","4","2","6","1") = "5"
    & skf21("4","4","3","1","4","2","7","1") = "6"
    & skf21("4","4","3","1","4","3","1","1") = "3"
    & skf21("4","4","3","1","4","3","2","1") = "3"
    & skf21("4","4","3","1","4","3","3","1") = "3"
    & skf21("4","4","3","1","4","3","4","1") = "3"
    & skf21("4","4","3","1","4","3","5","1") = "4"
    & skf21("4","4","3","1","4","3","6","1") = "5"
    & skf21("4","4","3","1","4","3","7","1") = "6"
    & skf21("4","4","3","1","4","4","1","1") = "3"
    & skf21("4","4","3","1","4","4","2","1") = "3"
    & skf21("4","4","3","1","4","4","3","1") = "3"
    & skf21("4","4","3","1","4","4","4","1") = "3"
    & skf21("4","4","3","1","4","4","5","1") = "4"
    & skf21("4","4","3","1","4","4","6","1") = "5"
    & skf21("4","4","3","1","4","4","7","1") = "6"
    & skf21("4","4","3","1","4","5","1","1") = "4"
    & skf21("4","4","3","1","4","5","2","1") = "4"
    & skf21("4","4","3","1","4","5","3","1") = "4"
    & skf21("4","4","3","1","4","5","4","1") = "4"
    & skf21("4","4","3","1","4","5","5","1") = "4"
    & skf21("4","4","3","1","4","5","6","1") = "5"
    & skf21("4","4","3","1","4","5","7","1") = "6"
    & skf21("4","4","3","1","4","6","1","1") = "5"
    & skf21("4","4","3","1","4","6","2","1") = "5"
    & skf21("4","4","3","1","4","6","3","1") = "5"
    & skf21("4","4","3","1","4","6","4","1") = "5"
    & skf21("4","4","3","1","4","6","5","1") = "5"
    & skf21("4","4","3","1","4","6","6","1") = "5"
    & skf21("4","4","3","1","4","6","7","1") = "6"
    & skf21("4","4","3","1","4","7","1","1") = "6"
    & skf21("4","4","3","1","4","7","2","1") = "6"
    & skf21("4","4","3","1","4","7","3","1") = "6"
    & skf21("4","4","3","1","4","7","4","1") = "6"
    & skf21("4","4","3","1","4","7","5","1") = "6"
    & skf21("4","4","3","1","4","7","6","1") = "6"
    & skf21("4","4","3","1","4","7","7","1") = "6"
    & skf21("4","4","3","1","5","1","1","1") = "4"
    & skf21("4","4","3","1","5","1","2","1") = "4"
    & skf21("4","4","3","1","5","1","3","1") = "4"
    & skf21("4","4","3","1","5","1","4","1") = "4"
    & skf21("4","4","3","1","5","1","5","1") = "4"
    & skf21("4","4","3","1","5","1","6","1") = "5"
    & skf21("4","4","3","1","5","1","7","1") = "6"
    & skf21("4","4","3","1","5","2","1","1") = "4"
    & skf21("4","4","3","1","5","2","2","1") = "4"
    & skf21("4","4","3","1","5","2","3","1") = "4"
    & skf21("4","4","3","1","5","2","4","1") = "4"
    & skf21("4","4","3","1","5","2","5","1") = "4"
    & skf21("4","4","3","1","5","2","6","1") = "5"
    & skf21("4","4","3","1","5","2","7","1") = "6"
    & skf21("4","4","3","1","5","3","1","1") = "4"
    & skf21("4","4","3","1","5","3","2","1") = "4"
    & skf21("4","4","3","1","5","3","3","1") = "4"
    & skf21("4","4","3","1","5","3","4","1") = "4"
    & skf21("4","4","3","1","5","3","5","1") = "4"
    & skf21("4","4","3","1","5","3","6","1") = "5"
    & skf21("4","4","3","1","5","3","7","1") = "6"
    & skf21("4","4","3","1","5","4","1","1") = "4"
    & skf21("4","4","3","1","5","4","2","1") = "4"
    & skf21("4","4","3","1","5","4","3","1") = "4"
    & skf21("4","4","3","1","5","4","4","1") = "4"
    & skf21("4","4","3","1","5","4","5","1") = "4"
    & skf21("4","4","3","1","5","4","6","1") = "5"
    & skf21("4","4","3","1","5","4","7","1") = "6"
    & skf21("4","4","3","1","5","5","1","1") = "4"
    & skf21("4","4","3","1","5","5","2","1") = "4"
    & skf21("4","4","3","1","5","5","3","1") = "4"
    & skf21("4","4","3","1","5","5","4","1") = "4"
    & skf21("4","4","3","1","5","5","5","1") = "4"
    & skf21("4","4","3","1","5","5","6","1") = "5"
    & skf21("4","4","3","1","5","5","7","1") = "6"
    & skf21("4","4","3","1","5","6","1","1") = "5"
    & skf21("4","4","3","1","5","6","2","1") = "5"
    & skf21("4","4","3","1","5","6","3","1") = "5"
    & skf21("4","4","3","1","5","6","4","1") = "5"
    & skf21("4","4","3","1","5","6","5","1") = "5"
    & skf21("4","4","3","1","5","6","6","1") = "5"
    & skf21("4","4","3","1","5","6","7","1") = "6"
    & skf21("4","4","3","1","5","7","1","1") = "6"
    & skf21("4","4","3","1","5","7","2","1") = "6"
    & skf21("4","4","3","1","5","7","3","1") = "6"
    & skf21("4","4","3","1","5","7","4","1") = "6"
    & skf21("4","4","3","1","5","7","5","1") = "6"
    & skf21("4","4","3","1","5","7","6","1") = "6"
    & skf21("4","4","3","1","5","7","7","1") = "6"
    & skf21("4","4","3","1","6","1","1","1") = "5"
    & skf21("4","4","3","1","6","1","2","1") = "5"
    & skf21("4","4","3","1","6","1","3","1") = "5"
    & skf21("4","4","3","1","6","1","4","1") = "5"
    & skf21("4","4","3","1","6","1","5","1") = "5"
    & skf21("4","4","3","1","6","1","6","1") = "5"
    & skf21("4","4","3","1","6","1","7","1") = "6"
    & skf21("4","4","3","1","6","2","1","1") = "5"
    & skf21("4","4","3","1","6","2","2","1") = "5"
    & skf21("4","4","3","1","6","2","3","1") = "5"
    & skf21("4","4","3","1","6","2","4","1") = "5"
    & skf21("4","4","3","1","6","2","5","1") = "5"
    & skf21("4","4","3","1","6","2","6","1") = "5"
    & skf21("4","4","3","1","6","2","7","1") = "6"
    & skf21("4","4","3","1","6","3","1","1") = "5"
    & skf21("4","4","3","1","6","3","2","1") = "5"
    & skf21("4","4","3","1","6","3","3","1") = "5"
    & skf21("4","4","3","1","6","3","4","1") = "5"
    & skf21("4","4","3","1","6","3","5","1") = "5"
    & skf21("4","4","3","1","6","3","6","1") = "5"
    & skf21("4","4","3","1","6","3","7","1") = "6"
    & skf21("4","4","3","1","6","4","1","1") = "5"
    & skf21("4","4","3","1","6","4","2","1") = "5"
    & skf21("4","4","3","1","6","4","3","1") = "5"
    & skf21("4","4","3","1","6","4","4","1") = "5"
    & skf21("4","4","3","1","6","4","5","1") = "5"
    & skf21("4","4","3","1","6","4","6","1") = "5"
    & skf21("4","4","3","1","6","4","7","1") = "6"
    & skf21("4","4","3","1","6","5","1","1") = "5"
    & skf21("4","4","3","1","6","5","2","1") = "5"
    & skf21("4","4","3","1","6","5","3","1") = "5"
    & skf21("4","4","3","1","6","5","4","1") = "5"
    & skf21("4","4","3","1","6","5","5","1") = "5"
    & skf21("4","4","3","1","6","5","6","1") = "5"
    & skf21("4","4","3","1","6","5","7","1") = "6"
    & skf21("4","4","3","1","6","6","1","1") = "5"
    & skf21("4","4","3","1","6","6","2","1") = "5"
    & skf21("4","4","3","1","6","6","3","1") = "5"
    & skf21("4","4","3","1","6","6","4","1") = "5"
    & skf21("4","4","3","1","6","6","5","1") = "5"
    & skf21("4","4","3","1","6","6","6","1") = "5"
    & skf21("4","4","3","1","6","6","7","1") = "6"
    & skf21("4","4","3","1","6","7","1","1") = "6"
    & skf21("4","4","3","1","6","7","2","1") = "6"
    & skf21("4","4","3","1","6","7","3","1") = "6"
    & skf21("4","4","3","1","6","7","4","1") = "6"
    & skf21("4","4","3","1","6","7","5","1") = "6"
    & skf21("4","4","3","1","6","7","6","1") = "6"
    & skf21("4","4","3","1","6","7","7","1") = "6"
    & skf21("4","4","3","1","7","1","1","1") = "6"
    & skf21("4","4","3","1","7","1","2","1") = "6"
    & skf21("4","4","3","1","7","1","3","1") = "6"
    & skf21("4","4","3","1","7","1","4","1") = "6"
    & skf21("4","4","3","1","7","1","5","1") = "6"
    & skf21("4","4","3","1","7","1","6","1") = "6"
    & skf21("4","4","3","1","7","1","7","1") = "6"
    & skf21("4","4","3","1","7","2","1","1") = "6"
    & skf21("4","4","3","1","7","2","2","1") = "6"
    & skf21("4","4","3","1","7","2","3","1") = "6"
    & skf21("4","4","3","1","7","2","4","1") = "6"
    & skf21("4","4","3","1","7","2","5","1") = "6"
    & skf21("4","4","3","1","7","2","6","1") = "6"
    & skf21("4","4","3","1","7","2","7","1") = "6"
    & skf21("4","4","3","1","7","3","1","1") = "6"
    & skf21("4","4","3","1","7","3","2","1") = "6"
    & skf21("4","4","3","1","7","3","3","1") = "6"
    & skf21("4","4","3","1","7","3","4","1") = "6"
    & skf21("4","4","3","1","7","3","5","1") = "6"
    & skf21("4","4","3","1","7","3","6","1") = "6"
    & skf21("4","4","3","1","7","3","7","1") = "6"
    & skf21("4","4","3","1","7","4","1","1") = "6"
    & skf21("4","4","3","1","7","4","2","1") = "6"
    & skf21("4","4","3","1","7","4","3","1") = "6"
    & skf21("4","4","3","1","7","4","4","1") = "6"
    & skf21("4","4","3","1","7","4","5","1") = "6"
    & skf21("4","4","3","1","7","4","6","1") = "6"
    & skf21("4","4","3","1","7","4","7","1") = "6"
    & skf21("4","4","3","1","7","5","1","1") = "6"
    & skf21("4","4","3","1","7","5","2","1") = "6"
    & skf21("4","4","3","1","7","5","3","1") = "6"
    & skf21("4","4","3","1","7","5","4","1") = "6"
    & skf21("4","4","3","1","7","5","5","1") = "6"
    & skf21("4","4","3","1","7","5","6","1") = "6"
    & skf21("4","4","3","1","7","5","7","1") = "6"
    & skf21("4","4","3","1","7","6","1","1") = "6"
    & skf21("4","4","3","1","7","6","2","1") = "6"
    & skf21("4","4","3","1","7","6","3","1") = "6"
    & skf21("4","4","3","1","7","6","4","1") = "6"
    & skf21("4","4","3","1","7","6","5","1") = "6"
    & skf21("4","4","3","1","7","6","6","1") = "6"
    & skf21("4","4","3","1","7","6","7","1") = "6"
    & skf21("4","4","3","1","7","7","1","1") = "6"
    & skf21("4","4","3","1","7","7","2","1") = "6"
    & skf21("4","4","3","1","7","7","3","1") = "6"
    & skf21("4","4","3","1","7","7","4","1") = "6"
    & skf21("4","4","3","1","7","7","5","1") = "6"
    & skf21("4","4","3","1","7","7","6","1") = "6"
    & skf21("4","4","3","1","7","7","7","1") = "6"
    & skf21("4","4","3","2","1","1","1","1") = "3"
    & skf21("4","4","3","2","1","1","2","1") = "3"
    & skf21("4","4","3","2","1","1","3","1") = "3"
    & skf21("4","4","3","2","1","1","4","1") = "3"
    & skf21("4","4","3","2","1","1","5","1") = "4"
    & skf21("4","4","3","2","1","1","6","1") = "5"
    & skf21("4","4","3","2","1","1","7","1") = "6"
    & skf21("4","4","3","2","1","2","1","1") = "3"
    & skf21("4","4","3","2","1","2","2","1") = "3"
    & skf21("4","4","3","2","1","2","3","1") = "3"
    & skf21("4","4","3","2","1","2","4","1") = "3"
    & skf21("4","4","3","2","1","2","5","1") = "4"
    & skf21("4","4","3","2","1","2","6","1") = "5"
    & skf21("4","4","3","2","1","2","7","1") = "6"
    & skf21("4","4","3","2","1","3","1","1") = "3"
    & skf21("4","4","3","2","1","3","2","1") = "3"
    & skf21("4","4","3","2","1","3","3","1") = "3"
    & skf21("4","4","3","2","1","3","4","1") = "3"
    & skf21("4","4","3","2","1","3","5","1") = "4"
    & skf21("4","4","3","2","1","3","6","1") = "5"
    & skf21("4","4","3","2","1","3","7","1") = "6"
    & skf21("4","4","3","2","1","4","1","1") = "3"
    & skf21("4","4","3","2","1","4","2","1") = "3"
    & skf21("4","4","3","2","1","4","3","1") = "3"
    & skf21("4","4","3","2","1","4","4","1") = "3"
    & skf21("4","4","3","2","1","4","5","1") = "4"
    & skf21("4","4","3","2","1","4","6","1") = "5"
    & skf21("4","4","3","2","1","4","7","1") = "6"
    & skf21("4","4","3","2","1","5","1","1") = "4"
    & skf21("4","4","3","2","1","5","2","1") = "4"
    & skf21("4","4","3","2","1","5","3","1") = "4"
    & skf21("4","4","3","2","1","5","4","1") = "4"
    & skf21("4","4","3","2","1","5","5","1") = "4"
    & skf21("4","4","3","2","1","5","6","1") = "5"
    & skf21("4","4","3","2","1","5","7","1") = "6"
    & skf21("4","4","3","2","1","6","1","1") = "5"
    & skf21("4","4","3","2","1","6","2","1") = "5"
    & skf21("4","4","3","2","1","6","3","1") = "5"
    & skf21("4","4","3","2","1","6","4","1") = "5"
    & skf21("4","4","3","2","1","6","5","1") = "5"
    & skf21("4","4","3","2","1","6","6","1") = "5"
    & skf21("4","4","3","2","1","6","7","1") = "6"
    & skf21("4","4","3","2","1","7","1","1") = "6"
    & skf21("4","4","3","2","1","7","2","1") = "6"
    & skf21("4","4","3","2","1","7","3","1") = "6"
    & skf21("4","4","3","2","1","7","4","1") = "6"
    & skf21("4","4","3","2","1","7","5","1") = "6"
    & skf21("4","4","3","2","1","7","6","1") = "6"
    & skf21("4","4","3","2","1","7","7","1") = "6"
    & skf21("4","4","3","2","2","1","1","1") = "3"
    & skf21("4","4","3","2","2","1","2","1") = "3"
    & skf21("4","4","3","2","2","1","3","1") = "3"
    & skf21("4","4","3","2","2","1","4","1") = "3"
    & skf21("4","4","3","2","2","1","5","1") = "4"
    & skf21("4","4","3","2","2","1","6","1") = "5"
    & skf21("4","4","3","2","2","1","7","1") = "6"
    & skf21("4","4","3","2","2","2","1","1") = "3"
    & skf21("4","4","3","2","2","2","2","1") = "3"
    & skf21("4","4","3","2","2","2","3","1") = "3"
    & skf21("4","4","3","2","2","2","4","1") = "3"
    & skf21("4","4","3","2","2","2","5","1") = "4"
    & skf21("4","4","3","2","2","2","6","1") = "5"
    & skf21("4","4","3","2","2","2","7","1") = "6"
    & skf21("4","4","3","2","2","3","1","1") = "3"
    & skf21("4","4","3","2","2","3","2","1") = "3"
    & skf21("4","4","3","2","2","3","3","1") = "3"
    & skf21("4","4","3","2","2","3","4","1") = "3"
    & skf21("4","4","3","2","2","3","5","1") = "4"
    & skf21("4","4","3","2","2","3","6","1") = "5"
    & skf21("4","4","3","2","2","3","7","1") = "6"
    & skf21("4","4","3","2","2","4","1","1") = "3"
    & skf21("4","4","3","2","2","4","2","1") = "3"
    & skf21("4","4","3","2","2","4","3","1") = "3"
    & skf21("4","4","3","2","2","4","4","1") = "3"
    & skf21("4","4","3","2","2","4","5","1") = "4"
    & skf21("4","4","3","2","2","4","6","1") = "5"
    & skf21("4","4","3","2","2","4","7","1") = "6"
    & skf21("4","4","3","2","2","5","1","1") = "4"
    & skf21("4","4","3","2","2","5","2","1") = "4"
    & skf21("4","4","3","2","2","5","3","1") = "4"
    & skf21("4","4","3","2","2","5","4","1") = "4"
    & skf21("4","4","3","2","2","5","5","1") = "4"
    & skf21("4","4","3","2","2","5","6","1") = "5"
    & skf21("4","4","3","2","2","5","7","1") = "6"
    & skf21("4","4","3","2","2","6","1","1") = "5"
    & skf21("4","4","3","2","2","6","2","1") = "5"
    & skf21("4","4","3","2","2","6","3","1") = "5"
    & skf21("4","4","3","2","2","6","4","1") = "5"
    & skf21("4","4","3","2","2","6","5","1") = "5"
    & skf21("4","4","3","2","2","6","6","1") = "5"
    & skf21("4","4","3","2","2","6","7","1") = "6"
    & skf21("4","4","3","2","2","7","1","1") = "6"
    & skf21("4","4","3","2","2","7","2","1") = "6"
    & skf21("4","4","3","2","2","7","3","1") = "6"
    & skf21("4","4","3","2","2","7","4","1") = "6"
    & skf21("4","4","3","2","2","7","5","1") = "6"
    & skf21("4","4","3","2","2","7","6","1") = "6"
    & skf21("4","4","3","2","2","7","7","1") = "6"
    & skf21("4","4","3","2","3","1","1","1") = "3"
    & skf21("4","4","3","2","3","1","2","1") = "3"
    & skf21("4","4","3","2","3","1","3","1") = "3"
    & skf21("4","4","3","2","3","1","4","1") = "3"
    & skf21("4","4","3","2","3","1","5","1") = "4"
    & skf21("4","4","3","2","3","1","6","1") = "5"
    & skf21("4","4","3","2","3","1","7","1") = "6"
    & skf21("4","4","3","2","3","2","1","1") = "3"
    & skf21("4","4","3","2","3","2","2","1") = "3"
    & skf21("4","4","3","2","3","2","3","1") = "3"
    & skf21("4","4","3","2","3","2","4","1") = "3"
    & skf21("4","4","3","2","3","2","5","1") = "4"
    & skf21("4","4","3","2","3","2","6","1") = "5"
    & skf21("4","4","3","2","3","2","7","1") = "6"
    & skf21("4","4","3","2","3","3","1","1") = "3"
    & skf21("4","4","3","2","3","3","2","1") = "3"
    & skf21("4","4","3","2","3","3","3","1") = "3"
    & skf21("4","4","3","2","3","3","4","1") = "3"
    & skf21("4","4","3","2","3","3","5","1") = "4"
    & skf21("4","4","3","2","3","3","6","1") = "5"
    & skf21("4","4","3","2","3","3","7","1") = "6"
    & skf21("4","4","3","2","3","4","1","1") = "3"
    & skf21("4","4","3","2","3","4","2","1") = "3"
    & skf21("4","4","3","2","3","4","3","1") = "3"
    & skf21("4","4","3","2","3","4","4","1") = "3"
    & skf21("4","4","3","2","3","4","5","1") = "4"
    & skf21("4","4","3","2","3","4","6","1") = "5"
    & skf21("4","4","3","2","3","4","7","1") = "6"
    & skf21("4","4","3","2","3","5","1","1") = "4"
    & skf21("4","4","3","2","3","5","2","1") = "4"
    & skf21("4","4","3","2","3","5","3","1") = "4"
    & skf21("4","4","3","2","3","5","4","1") = "4"
    & skf21("4","4","3","2","3","5","5","1") = "4"
    & skf21("4","4","3","2","3","5","6","1") = "5"
    & skf21("4","4","3","2","3","5","7","1") = "6"
    & skf21("4","4","3","2","3","6","1","1") = "5"
    & skf21("4","4","3","2","3","6","2","1") = "5"
    & skf21("4","4","3","2","3","6","3","1") = "5"
    & skf21("4","4","3","2","3","6","4","1") = "5"
    & skf21("4","4","3","2","3","6","5","1") = "5"
    & skf21("4","4","3","2","3","6","6","1") = "5"
    & skf21("4","4","3","2","3","6","7","1") = "6"
    & skf21("4","4","3","2","3","7","1","1") = "6"
    & skf21("4","4","3","2","3","7","2","1") = "6"
    & skf21("4","4","3","2","3","7","3","1") = "6"
    & skf21("4","4","3","2","3","7","4","1") = "6"
    & skf21("4","4","3","2","3","7","5","1") = "6"
    & skf21("4","4","3","2","3","7","6","1") = "6"
    & skf21("4","4","3","2","3","7","7","1") = "6"
    & skf21("4","4","3","2","4","1","1","1") = "3"
    & skf21("4","4","3","2","4","1","2","1") = "3"
    & skf21("4","4","3","2","4","1","3","1") = "3"
    & skf21("4","4","3","2","4","1","4","1") = "3"
    & skf21("4","4","3","2","4","1","5","1") = "4"
    & skf21("4","4","3","2","4","1","6","1") = "5"
    & skf21("4","4","3","2","4","1","7","1") = "6"
    & skf21("4","4","3","2","4","2","1","1") = "3"
    & skf21("4","4","3","2","4","2","2","1") = "3"
    & skf21("4","4","3","2","4","2","3","1") = "3"
    & skf21("4","4","3","2","4","2","4","1") = "3"
    & skf21("4","4","3","2","4","2","5","1") = "4"
    & skf21("4","4","3","2","4","2","6","1") = "5"
    & skf21("4","4","3","2","4","2","7","1") = "6"
    & skf21("4","4","3","2","4","3","1","1") = "3"
    & skf21("4","4","3","2","4","3","2","1") = "3"
    & skf21("4","4","3","2","4","3","3","1") = "3"
    & skf21("4","4","3","2","4","3","4","1") = "3"
    & skf21("4","4","3","2","4","3","5","1") = "4"
    & skf21("4","4","3","2","4","3","6","1") = "5"
    & skf21("4","4","3","2","4","3","7","1") = "6"
    & skf21("4","4","3","2","4","4","1","1") = "3"
    & skf21("4","4","3","2","4","4","2","1") = "3"
    & skf21("4","4","3","2","4","4","3","1") = "3"
    & skf21("4","4","3","2","4","4","4","1") = "3"
    & skf21("4","4","3","2","4","4","5","1") = "4"
    & skf21("4","4","3","2","4","4","6","1") = "5"
    & skf21("4","4","3","2","4","4","7","1") = "6"
    & skf21("4","4","3","2","4","5","1","1") = "4"
    & skf21("4","4","3","2","4","5","2","1") = "4"
    & skf21("4","4","3","2","4","5","3","1") = "4"
    & skf21("4","4","3","2","4","5","4","1") = "4"
    & skf21("4","4","3","2","4","5","5","1") = "4"
    & skf21("4","4","3","2","4","5","6","1") = "5"
    & skf21("4","4","3","2","4","5","7","1") = "6"
    & skf21("4","4","3","2","4","6","1","1") = "5"
    & skf21("4","4","3","2","4","6","2","1") = "5"
    & skf21("4","4","3","2","4","6","3","1") = "5"
    & skf21("4","4","3","2","4","6","4","1") = "5"
    & skf21("4","4","3","2","4","6","5","1") = "5"
    & skf21("4","4","3","2","4","6","6","1") = "5"
    & skf21("4","4","3","2","4","6","7","1") = "6"
    & skf21("4","4","3","2","4","7","1","1") = "6"
    & skf21("4","4","3","2","4","7","2","1") = "6"
    & skf21("4","4","3","2","4","7","3","1") = "6"
    & skf21("4","4","3","2","4","7","4","1") = "6"
    & skf21("4","4","3","2","4","7","5","1") = "6"
    & skf21("4","4","3","2","4","7","6","1") = "6"
    & skf21("4","4","3","2","4","7","7","1") = "6"
    & skf21("4","4","3","2","5","1","1","1") = "4"
    & skf21("4","4","3","2","5","1","2","1") = "4"
    & skf21("4","4","3","2","5","1","3","1") = "4"
    & skf21("4","4","3","2","5","1","4","1") = "4"
    & skf21("4","4","3","2","5","1","5","1") = "4"
    & skf21("4","4","3","2","5","1","6","1") = "5"
    & skf21("4","4","3","2","5","1","7","1") = "6"
    & skf21("4","4","3","2","5","2","1","1") = "4"
    & skf21("4","4","3","2","5","2","2","1") = "4"
    & skf21("4","4","3","2","5","2","3","1") = "4"
    & skf21("4","4","3","2","5","2","4","1") = "4"
    & skf21("4","4","3","2","5","2","5","1") = "4"
    & skf21("4","4","3","2","5","2","6","1") = "5"
    & skf21("4","4","3","2","5","2","7","1") = "6"
    & skf21("4","4","3","2","5","3","1","1") = "4"
    & skf21("4","4","3","2","5","3","2","1") = "4"
    & skf21("4","4","3","2","5","3","3","1") = "4"
    & skf21("4","4","3","2","5","3","4","1") = "4"
    & skf21("4","4","3","2","5","3","5","1") = "4"
    & skf21("4","4","3","2","5","3","6","1") = "5"
    & skf21("4","4","3","2","5","3","7","1") = "6"
    & skf21("4","4","3","2","5","4","1","1") = "4"
    & skf21("4","4","3","2","5","4","2","1") = "4"
    & skf21("4","4","3","2","5","4","3","1") = "4"
    & skf21("4","4","3","2","5","4","4","1") = "4"
    & skf21("4","4","3","2","5","4","5","1") = "4"
    & skf21("4","4","3","2","5","4","6","1") = "5"
    & skf21("4","4","3","2","5","4","7","1") = "6"
    & skf21("4","4","3","2","5","5","1","1") = "4"
    & skf21("4","4","3","2","5","5","2","1") = "4"
    & skf21("4","4","3","2","5","5","3","1") = "4"
    & skf21("4","4","3","2","5","5","4","1") = "4"
    & skf21("4","4","3","2","5","5","5","1") = "4"
    & skf21("4","4","3","2","5","5","6","1") = "5"
    & skf21("4","4","3","2","5","5","7","1") = "6"
    & skf21("4","4","3","2","5","6","1","1") = "5"
    & skf21("4","4","3","2","5","6","2","1") = "5"
    & skf21("4","4","3","2","5","6","3","1") = "5"
    & skf21("4","4","3","2","5","6","4","1") = "5"
    & skf21("4","4","3","2","5","6","5","1") = "5"
    & skf21("4","4","3","2","5","6","6","1") = "5"
    & skf21("4","4","3","2","5","6","7","1") = "6"
    & skf21("4","4","3","2","5","7","1","1") = "6"
    & skf21("4","4","3","2","5","7","2","1") = "6"
    & skf21("4","4","3","2","5","7","3","1") = "6"
    & skf21("4","4","3","2","5","7","4","1") = "6"
    & skf21("4","4","3","2","5","7","5","1") = "6"
    & skf21("4","4","3","2","5","7","6","1") = "6"
    & skf21("4","4","3","2","5","7","7","1") = "6"
    & skf21("4","4","3","2","6","1","1","1") = "5"
    & skf21("4","4","3","2","6","1","2","1") = "5"
    & skf21("4","4","3","2","6","1","3","1") = "5"
    & skf21("4","4","3","2","6","1","4","1") = "5"
    & skf21("4","4","3","2","6","1","5","1") = "5"
    & skf21("4","4","3","2","6","1","6","1") = "5"
    & skf21("4","4","3","2","6","1","7","1") = "6"
    & skf21("4","4","3","2","6","2","1","1") = "5"
    & skf21("4","4","3","2","6","2","2","1") = "5"
    & skf21("4","4","3","2","6","2","3","1") = "5"
    & skf21("4","4","3","2","6","2","4","1") = "5"
    & skf21("4","4","3","2","6","2","5","1") = "5"
    & skf21("4","4","3","2","6","2","6","1") = "5"
    & skf21("4","4","3","2","6","2","7","1") = "6"
    & skf21("4","4","3","2","6","3","1","1") = "5"
    & skf21("4","4","3","2","6","3","2","1") = "5"
    & skf21("4","4","3","2","6","3","3","1") = "5"
    & skf21("4","4","3","2","6","3","4","1") = "5"
    & skf21("4","4","3","2","6","3","5","1") = "5"
    & skf21("4","4","3","2","6","3","6","1") = "5"
    & skf21("4","4","3","2","6","3","7","1") = "6"
    & skf21("4","4","3","2","6","4","1","1") = "5"
    & skf21("4","4","3","2","6","4","2","1") = "5"
    & skf21("4","4","3","2","6","4","3","1") = "5"
    & skf21("4","4","3","2","6","4","4","1") = "5"
    & skf21("4","4","3","2","6","4","5","1") = "5"
    & skf21("4","4","3","2","6","4","6","1") = "5"
    & skf21("4","4","3","2","6","4","7","1") = "6"
    & skf21("4","4","3","2","6","5","1","1") = "5"
    & skf21("4","4","3","2","6","5","2","1") = "5"
    & skf21("4","4","3","2","6","5","3","1") = "5"
    & skf21("4","4","3","2","6","5","4","1") = "5"
    & skf21("4","4","3","2","6","5","5","1") = "5"
    & skf21("4","4","3","2","6","5","6","1") = "5"
    & skf21("4","4","3","2","6","5","7","1") = "6"
    & skf21("4","4","3","2","6","6","1","1") = "5"
    & skf21("4","4","3","2","6","6","2","1") = "5"
    & skf21("4","4","3","2","6","6","3","1") = "5"
    & skf21("4","4","3","2","6","6","4","1") = "5"
    & skf21("4","4","3","2","6","6","5","1") = "5"
    & skf21("4","4","3","2","6","6","6","1") = "5"
    & skf21("4","4","3","2","6","6","7","1") = "6"
    & skf21("4","4","3","2","6","7","1","1") = "6"
    & skf21("4","4","3","2","6","7","2","1") = "6"
    & skf21("4","4","3","2","6","7","3","1") = "6"
    & skf21("4","4","3","2","6","7","4","1") = "6"
    & skf21("4","4","3","2","6","7","5","1") = "6"
    & skf21("4","4","3","2","6","7","6","1") = "6"
    & skf21("4","4","3","2","6","7","7","1") = "6"
    & skf21("4","4","3","2","7","1","1","1") = "6"
    & skf21("4","4","3","2","7","1","2","1") = "6"
    & skf21("4","4","3","2","7","1","3","1") = "6"
    & skf21("4","4","3","2","7","1","4","1") = "6"
    & skf21("4","4","3","2","7","1","5","1") = "6"
    & skf21("4","4","3","2","7","1","6","1") = "6"
    & skf21("4","4","3","2","7","1","7","1") = "6"
    & skf21("4","4","3","2","7","2","1","1") = "6"
    & skf21("4","4","3","2","7","2","2","1") = "6"
    & skf21("4","4","3","2","7","2","3","1") = "6"
    & skf21("4","4","3","2","7","2","4","1") = "6"
    & skf21("4","4","3","2","7","2","5","1") = "6"
    & skf21("4","4","3","2","7","2","6","1") = "6"
    & skf21("4","4","3","2","7","2","7","1") = "6"
    & skf21("4","4","3","2","7","3","1","1") = "6"
    & skf21("4","4","3","2","7","3","2","1") = "6"
    & skf21("4","4","3","2","7","3","3","1") = "6"
    & skf21("4","4","3","2","7","3","4","1") = "6"
    & skf21("4","4","3","2","7","3","5","1") = "6"
    & skf21("4","4","3","2","7","3","6","1") = "6"
    & skf21("4","4","3","2","7","3","7","1") = "6"
    & skf21("4","4","3","2","7","4","1","1") = "6"
    & skf21("4","4","3","2","7","4","2","1") = "6"
    & skf21("4","4","3","2","7","4","3","1") = "6"
    & skf21("4","4","3","2","7","4","4","1") = "6"
    & skf21("4","4","3","2","7","4","5","1") = "6"
    & skf21("4","4","3","2","7","4","6","1") = "6"
    & skf21("4","4","3","2","7","4","7","1") = "6"
    & skf21("4","4","3","2","7","5","1","1") = "6"
    & skf21("4","4","3","2","7","5","2","1") = "6"
    & skf21("4","4","3","2","7","5","3","1") = "6"
    & skf21("4","4","3","2","7","5","4","1") = "6"
    & skf21("4","4","3","2","7","5","5","1") = "6"
    & skf21("4","4","3","2","7","5","6","1") = "6"
    & skf21("4","4","3","2","7","5","7","1") = "6"
    & skf21("4","4","3","2","7","6","1","1") = "6"
    & skf21("4","4","3","2","7","6","2","1") = "6"
    & skf21("4","4","3","2","7","6","3","1") = "6"
    & skf21("4","4","3","2","7","6","4","1") = "6"
    & skf21("4","4","3","2","7","6","5","1") = "6"
    & skf21("4","4","3","2","7","6","6","1") = "6"
    & skf21("4","4","3","2","7","6","7","1") = "6"
    & skf21("4","4","3","2","7","7","1","1") = "6"
    & skf21("4","4","3","2","7","7","2","1") = "6"
    & skf21("4","4","3","2","7","7","3","1") = "6"
    & skf21("4","4","3","2","7","7","4","1") = "6"
    & skf21("4","4","3","2","7","7","5","1") = "6"
    & skf21("4","4","3","2","7","7","6","1") = "6"
    & skf21("4","4","3","2","7","7","7","1") = "6"
    & skf21("4","4","3","3","1","1","1","1") = "3"
    & skf21("4","4","3","3","1","1","2","1") = "3"
    & skf21("4","4","3","3","1","1","3","1") = "3"
    & skf21("4","4","3","3","1","1","4","1") = "3"
    & skf21("4","4","3","3","1","1","5","1") = "4"
    & skf21("4","4","3","3","1","1","6","1") = "5"
    & skf21("4","4","3","3","1","1","7","1") = "6"
    & skf21("4","4","3","3","1","2","1","1") = "3"
    & skf21("4","4","3","3","1","2","2","1") = "3"
    & skf21("4","4","3","3","1","2","3","1") = "3"
    & skf21("4","4","3","3","1","2","4","1") = "3"
    & skf21("4","4","3","3","1","2","5","1") = "4"
    & skf21("4","4","3","3","1","2","6","1") = "5"
    & skf21("4","4","3","3","1","2","7","1") = "6"
    & skf21("4","4","3","3","1","3","1","1") = "3"
    & skf21("4","4","3","3","1","3","2","1") = "3"
    & skf21("4","4","3","3","1","3","3","1") = "3"
    & skf21("4","4","3","3","1","3","4","1") = "3"
    & skf21("4","4","3","3","1","3","5","1") = "4"
    & skf21("4","4","3","3","1","3","6","1") = "5"
    & skf21("4","4","3","3","1","3","7","1") = "6"
    & skf21("4","4","3","3","1","4","1","1") = "3"
    & skf21("4","4","3","3","1","4","2","1") = "3"
    & skf21("4","4","3","3","1","4","3","1") = "3"
    & skf21("4","4","3","3","1","4","4","1") = "3"
    & skf21("4","4","3","3","1","4","5","1") = "4"
    & skf21("4","4","3","3","1","4","6","1") = "5"
    & skf21("4","4","3","3","1","4","7","1") = "6"
    & skf21("4","4","3","3","1","5","1","1") = "4"
    & skf21("4","4","3","3","1","5","2","1") = "4"
    & skf21("4","4","3","3","1","5","3","1") = "4"
    & skf21("4","4","3","3","1","5","4","1") = "4"
    & skf21("4","4","3","3","1","5","5","1") = "4"
    & skf21("4","4","3","3","1","5","6","1") = "5"
    & skf21("4","4","3","3","1","5","7","1") = "6"
    & skf21("4","4","3","3","1","6","1","1") = "5"
    & skf21("4","4","3","3","1","6","2","1") = "5"
    & skf21("4","4","3","3","1","6","3","1") = "5"
    & skf21("4","4","3","3","1","6","4","1") = "5"
    & skf21("4","4","3","3","1","6","5","1") = "5"
    & skf21("4","4","3","3","1","6","6","1") = "5"
    & skf21("4","4","3","3","1","6","7","1") = "6"
    & skf21("4","4","3","3","1","7","1","1") = "6"
    & skf21("4","4","3","3","1","7","2","1") = "6"
    & skf21("4","4","3","3","1","7","3","1") = "6"
    & skf21("4","4","3","3","1","7","4","1") = "6"
    & skf21("4","4","3","3","1","7","5","1") = "6"
    & skf21("4","4","3","3","1","7","6","1") = "6"
    & skf21("4","4","3","3","1","7","7","1") = "6"
    & skf21("4","4","3","3","2","1","1","1") = "3"
    & skf21("4","4","3","3","2","1","2","1") = "3"
    & skf21("4","4","3","3","2","1","3","1") = "3"
    & skf21("4","4","3","3","2","1","4","1") = "3"
    & skf21("4","4","3","3","2","1","5","1") = "4"
    & skf21("4","4","3","3","2","1","6","1") = "5"
    & skf21("4","4","3","3","2","1","7","1") = "6"
    & skf21("4","4","3","3","2","2","1","1") = "3"
    & skf21("4","4","3","3","2","2","2","1") = "3"
    & skf21("4","4","3","3","2","2","3","1") = "3"
    & skf21("4","4","3","3","2","2","4","1") = "3"
    & skf21("4","4","3","3","2","2","5","1") = "4"
    & skf21("4","4","3","3","2","2","6","1") = "5"
    & skf21("4","4","3","3","2","2","7","1") = "6"
    & skf21("4","4","3","3","2","3","1","1") = "3"
    & skf21("4","4","3","3","2","3","2","1") = "3"
    & skf21("4","4","3","3","2","3","3","1") = "3"
    & skf21("4","4","3","3","2","3","4","1") = "3"
    & skf21("4","4","3","3","2","3","5","1") = "4"
    & skf21("4","4","3","3","2","3","6","1") = "5"
    & skf21("4","4","3","3","2","3","7","1") = "6"
    & skf21("4","4","3","3","2","4","1","1") = "3"
    & skf21("4","4","3","3","2","4","2","1") = "3"
    & skf21("4","4","3","3","2","4","3","1") = "3"
    & skf21("4","4","3","3","2","4","4","1") = "3"
    & skf21("4","4","3","3","2","4","5","1") = "4"
    & skf21("4","4","3","3","2","4","6","1") = "5"
    & skf21("4","4","3","3","2","4","7","1") = "6"
    & skf21("4","4","3","3","2","5","1","1") = "4"
    & skf21("4","4","3","3","2","5","2","1") = "4"
    & skf21("4","4","3","3","2","5","3","1") = "4"
    & skf21("4","4","3","3","2","5","4","1") = "4"
    & skf21("4","4","3","3","2","5","5","1") = "4"
    & skf21("4","4","3","3","2","5","6","1") = "5"
    & skf21("4","4","3","3","2","5","7","1") = "6"
    & skf21("4","4","3","3","2","6","1","1") = "5"
    & skf21("4","4","3","3","2","6","2","1") = "5"
    & skf21("4","4","3","3","2","6","3","1") = "5"
    & skf21("4","4","3","3","2","6","4","1") = "5"
    & skf21("4","4","3","3","2","6","5","1") = "5"
    & skf21("4","4","3","3","2","6","6","1") = "5"
    & skf21("4","4","3","3","2","6","7","1") = "6"
    & skf21("4","4","3","3","2","7","1","1") = "6"
    & skf21("4","4","3","3","2","7","2","1") = "6"
    & skf21("4","4","3","3","2","7","3","1") = "6"
    & skf21("4","4","3","3","2","7","4","1") = "6"
    & skf21("4","4","3","3","2","7","5","1") = "6"
    & skf21("4","4","3","3","2","7","6","1") = "6"
    & skf21("4","4","3","3","2","7","7","1") = "6"
    & skf21("4","4","3","3","3","1","1","1") = "3"
    & skf21("4","4","3","3","3","1","2","1") = "3"
    & skf21("4","4","3","3","3","1","3","1") = "3"
    & skf21("4","4","3","3","3","1","4","1") = "3"
    & skf21("4","4","3","3","3","1","5","1") = "4"
    & skf21("4","4","3","3","3","1","6","1") = "5"
    & skf21("4","4","3","3","3","1","7","1") = "6"
    & skf21("4","4","3","3","3","2","1","1") = "3"
    & skf21("4","4","3","3","3","2","2","1") = "3"
    & skf21("4","4","3","3","3","2","3","1") = "3"
    & skf21("4","4","3","3","3","2","4","1") = "3"
    & skf21("4","4","3","3","3","2","5","1") = "4"
    & skf21("4","4","3","3","3","2","6","1") = "5"
    & skf21("4","4","3","3","3","2","7","1") = "6"
    & skf21("4","4","3","3","3","3","1","1") = "3"
    & skf21("4","4","3","3","3","3","2","1") = "3"
    & skf21("4","4","3","3","3","3","3","1") = "3"
    & skf21("4","4","3","3","3","3","4","1") = "3"
    & skf21("4","4","3","3","3","3","5","1") = "4"
    & skf21("4","4","3","3","3","3","6","1") = "5"
    & skf21("4","4","3","3","3","3","7","1") = "6"
    & skf21("4","4","3","3","3","4","1","1") = "3"
    & skf21("4","4","3","3","3","4","2","1") = "3"
    & skf21("4","4","3","3","3","4","3","1") = "3"
    & skf21("4","4","3","3","3","4","4","1") = "3"
    & skf21("4","4","3","3","3","4","5","1") = "4"
    & skf21("4","4","3","3","3","4","6","1") = "5"
    & skf21("4","4","3","3","3","4","7","1") = "6"
    & skf21("4","4","3","3","3","5","1","1") = "4"
    & skf21("4","4","3","3","3","5","2","1") = "4"
    & skf21("4","4","3","3","3","5","3","1") = "4"
    & skf21("4","4","3","3","3","5","4","1") = "4"
    & skf21("4","4","3","3","3","5","5","1") = "4"
    & skf21("4","4","3","3","3","5","6","1") = "5"
    & skf21("4","4","3","3","3","5","7","1") = "6"
    & skf21("4","4","3","3","3","6","1","1") = "5"
    & skf21("4","4","3","3","3","6","2","1") = "5"
    & skf21("4","4","3","3","3","6","3","1") = "5"
    & skf21("4","4","3","3","3","6","4","1") = "5"
    & skf21("4","4","3","3","3","6","5","1") = "5"
    & skf21("4","4","3","3","3","6","6","1") = "5"
    & skf21("4","4","3","3","3","6","7","1") = "6"
    & skf21("4","4","3","3","3","7","1","1") = "6"
    & skf21("4","4","3","3","3","7","2","1") = "6"
    & skf21("4","4","3","3","3","7","3","1") = "6"
    & skf21("4","4","3","3","3","7","4","1") = "6"
    & skf21("4","4","3","3","3","7","5","1") = "6"
    & skf21("4","4","3","3","3","7","6","1") = "6"
    & skf21("4","4","3","3","3","7","7","1") = "6"
    & skf21("4","4","3","3","4","1","1","1") = "3"
    & skf21("4","4","3","3","4","1","2","1") = "3"
    & skf21("4","4","3","3","4","1","3","1") = "3"
    & skf21("4","4","3","3","4","1","4","1") = "3"
    & skf21("4","4","3","3","4","1","5","1") = "4"
    & skf21("4","4","3","3","4","1","6","1") = "5"
    & skf21("4","4","3","3","4","1","7","1") = "6"
    & skf21("4","4","3","3","4","2","1","1") = "3"
    & skf21("4","4","3","3","4","2","2","1") = "3"
    & skf21("4","4","3","3","4","2","3","1") = "3"
    & skf21("4","4","3","3","4","2","4","1") = "3"
    & skf21("4","4","3","3","4","2","5","1") = "4"
    & skf21("4","4","3","3","4","2","6","1") = "5"
    & skf21("4","4","3","3","4","2","7","1") = "6"
    & skf21("4","4","3","3","4","3","1","1") = "3"
    & skf21("4","4","3","3","4","3","2","1") = "3"
    & skf21("4","4","3","3","4","3","3","1") = "3"
    & skf21("4","4","3","3","4","3","4","1") = "3"
    & skf21("4","4","3","3","4","3","5","1") = "4"
    & skf21("4","4","3","3","4","3","6","1") = "5"
    & skf21("4","4","3","3","4","3","7","1") = "6"
    & skf21("4","4","3","3","4","4","1","1") = "3"
    & skf21("4","4","3","3","4","4","2","1") = "3"
    & skf21("4","4","3","3","4","4","3","1") = "3"
    & skf21("4","4","3","3","4","4","4","1") = "3"
    & skf21("4","4","3","3","4","4","5","1") = "4"
    & skf21("4","4","3","3","4","4","6","1") = "5"
    & skf21("4","4","3","3","4","4","7","1") = "6"
    & skf21("4","4","3","3","4","5","1","1") = "4"
    & skf21("4","4","3","3","4","5","2","1") = "4"
    & skf21("4","4","3","3","4","5","3","1") = "4"
    & skf21("4","4","3","3","4","5","4","1") = "4"
    & skf21("4","4","3","3","4","5","5","1") = "4"
    & skf21("4","4","3","3","4","5","6","1") = "5"
    & skf21("4","4","3","3","4","5","7","1") = "6"
    & skf21("4","4","3","3","4","6","1","1") = "5"
    & skf21("4","4","3","3","4","6","2","1") = "5"
    & skf21("4","4","3","3","4","6","3","1") = "5"
    & skf21("4","4","3","3","4","6","4","1") = "5"
    & skf21("4","4","3","3","4","6","5","1") = "5"
    & skf21("4","4","3","3","4","6","6","1") = "5"
    & skf21("4","4","3","3","4","6","7","1") = "6"
    & skf21("4","4","3","3","4","7","1","1") = "6"
    & skf21("4","4","3","3","4","7","2","1") = "6"
    & skf21("4","4","3","3","4","7","3","1") = "6"
    & skf21("4","4","3","3","4","7","4","1") = "6"
    & skf21("4","4","3","3","4","7","5","1") = "6"
    & skf21("4","4","3","3","4","7","6","1") = "6"
    & skf21("4","4","3","3","4","7","7","1") = "6"
    & skf21("4","4","3","3","5","1","1","1") = "4"
    & skf21("4","4","3","3","5","1","2","1") = "4"
    & skf21("4","4","3","3","5","1","3","1") = "4"
    & skf21("4","4","3","3","5","1","4","1") = "4"
    & skf21("4","4","3","3","5","1","5","1") = "4"
    & skf21("4","4","3","3","5","1","6","1") = "5"
    & skf21("4","4","3","3","5","1","7","1") = "6"
    & skf21("4","4","3","3","5","2","1","1") = "4"
    & skf21("4","4","3","3","5","2","2","1") = "4"
    & skf21("4","4","3","3","5","2","3","1") = "4"
    & skf21("4","4","3","3","5","2","4","1") = "4"
    & skf21("4","4","3","3","5","2","5","1") = "4"
    & skf21("4","4","3","3","5","2","6","1") = "5"
    & skf21("4","4","3","3","5","2","7","1") = "6"
    & skf21("4","4","3","3","5","3","1","1") = "4"
    & skf21("4","4","3","3","5","3","2","1") = "4"
    & skf21("4","4","3","3","5","3","3","1") = "4"
    & skf21("4","4","3","3","5","3","4","1") = "4"
    & skf21("4","4","3","3","5","3","5","1") = "4"
    & skf21("4","4","3","3","5","3","6","1") = "5"
    & skf21("4","4","3","3","5","3","7","1") = "6"
    & skf21("4","4","3","3","5","4","1","1") = "4"
    & skf21("4","4","3","3","5","4","2","1") = "4"
    & skf21("4","4","3","3","5","4","3","1") = "4"
    & skf21("4","4","3","3","5","4","4","1") = "4"
    & skf21("4","4","3","3","5","4","5","1") = "4"
    & skf21("4","4","3","3","5","4","6","1") = "5"
    & skf21("4","4","3","3","5","4","7","1") = "6"
    & skf21("4","4","3","3","5","5","1","1") = "4"
    & skf21("4","4","3","3","5","5","2","1") = "4"
    & skf21("4","4","3","3","5","5","3","1") = "4"
    & skf21("4","4","3","3","5","5","4","1") = "4"
    & skf21("4","4","3","3","5","5","5","1") = "4"
    & skf21("4","4","3","3","5","5","6","1") = "5"
    & skf21("4","4","3","3","5","5","7","1") = "6"
    & skf21("4","4","3","3","5","6","1","1") = "5"
    & skf21("4","4","3","3","5","6","2","1") = "5"
    & skf21("4","4","3","3","5","6","3","1") = "5"
    & skf21("4","4","3","3","5","6","4","1") = "5"
    & skf21("4","4","3","3","5","6","5","1") = "5"
    & skf21("4","4","3","3","5","6","6","1") = "5"
    & skf21("4","4","3","3","5","6","7","1") = "6"
    & skf21("4","4","3","3","5","7","1","1") = "6"
    & skf21("4","4","3","3","5","7","2","1") = "6"
    & skf21("4","4","3","3","5","7","3","1") = "6"
    & skf21("4","4","3","3","5","7","4","1") = "6"
    & skf21("4","4","3","3","5","7","5","1") = "6"
    & skf21("4","4","3","3","5","7","6","1") = "6"
    & skf21("4","4","3","3","5","7","7","1") = "6"
    & skf21("4","4","3","3","6","1","1","1") = "5"
    & skf21("4","4","3","3","6","1","2","1") = "5"
    & skf21("4","4","3","3","6","1","3","1") = "5"
    & skf21("4","4","3","3","6","1","4","1") = "5"
    & skf21("4","4","3","3","6","1","5","1") = "5"
    & skf21("4","4","3","3","6","1","6","1") = "5"
    & skf21("4","4","3","3","6","1","7","1") = "6"
    & skf21("4","4","3","3","6","2","1","1") = "5"
    & skf21("4","4","3","3","6","2","2","1") = "5"
    & skf21("4","4","3","3","6","2","3","1") = "5"
    & skf21("4","4","3","3","6","2","4","1") = "5"
    & skf21("4","4","3","3","6","2","5","1") = "5"
    & skf21("4","4","3","3","6","2","6","1") = "5"
    & skf21("4","4","3","3","6","2","7","1") = "6"
    & skf21("4","4","3","3","6","3","1","1") = "5"
    & skf21("4","4","3","3","6","3","2","1") = "5"
    & skf21("4","4","3","3","6","3","3","1") = "5"
    & skf21("4","4","3","3","6","3","4","1") = "5"
    & skf21("4","4","3","3","6","3","5","1") = "5"
    & skf21("4","4","3","3","6","3","6","1") = "5"
    & skf21("4","4","3","3","6","3","7","1") = "6"
    & skf21("4","4","3","3","6","4","1","1") = "5"
    & skf21("4","4","3","3","6","4","2","1") = "5"
    & skf21("4","4","3","3","6","4","3","1") = "5"
    & skf21("4","4","3","3","6","4","4","1") = "5"
    & skf21("4","4","3","3","6","4","5","1") = "5"
    & skf21("4","4","3","3","6","4","6","1") = "5"
    & skf21("4","4","3","3","6","4","7","1") = "6"
    & skf21("4","4","3","3","6","5","1","1") = "5"
    & skf21("4","4","3","3","6","5","2","1") = "5"
    & skf21("4","4","3","3","6","5","3","1") = "5"
    & skf21("4","4","3","3","6","5","4","1") = "5"
    & skf21("4","4","3","3","6","5","5","1") = "5"
    & skf21("4","4","3","3","6","5","6","1") = "5"
    & skf21("4","4","3","3","6","5","7","1") = "6"
    & skf21("4","4","3","3","6","6","1","1") = "5"
    & skf21("4","4","3","3","6","6","2","1") = "5"
    & skf21("4","4","3","3","6","6","3","1") = "5"
    & skf21("4","4","3","3","6","6","4","1") = "5"
    & skf21("4","4","3","3","6","6","5","1") = "5"
    & skf21("4","4","3","3","6","6","6","1") = "5"
    & skf21("4","4","3","3","6","6","7","1") = "6"
    & skf21("4","4","3","3","6","7","1","1") = "6"
    & skf21("4","4","3","3","6","7","2","1") = "6"
    & skf21("4","4","3","3","6","7","3","1") = "6"
    & skf21("4","4","3","3","6","7","4","1") = "6"
    & skf21("4","4","3","3","6","7","5","1") = "6"
    & skf21("4","4","3","3","6","7","6","1") = "6"
    & skf21("4","4","3","3","6","7","7","1") = "6"
    & skf21("4","4","3","3","7","1","1","1") = "6"
    & skf21("4","4","3","3","7","1","2","1") = "6"
    & skf21("4","4","3","3","7","1","3","1") = "6"
    & skf21("4","4","3","3","7","1","4","1") = "6"
    & skf21("4","4","3","3","7","1","5","1") = "6"
    & skf21("4","4","3","3","7","1","6","1") = "6"
    & skf21("4","4","3","3","7","1","7","1") = "6"
    & skf21("4","4","3","3","7","2","1","1") = "6"
    & skf21("4","4","3","3","7","2","2","1") = "6"
    & skf21("4","4","3","3","7","2","3","1") = "6"
    & skf21("4","4","3","3","7","2","4","1") = "6"
    & skf21("4","4","3","3","7","2","5","1") = "6"
    & skf21("4","4","3","3","7","2","6","1") = "6"
    & skf21("4","4","3","3","7","2","7","1") = "6"
    & skf21("4","4","3","3","7","3","1","1") = "6"
    & skf21("4","4","3","3","7","3","2","1") = "6"
    & skf21("4","4","3","3","7","3","3","1") = "6"
    & skf21("4","4","3","3","7","3","4","1") = "6"
    & skf21("4","4","3","3","7","3","5","1") = "6"
    & skf21("4","4","3","3","7","3","6","1") = "6"
    & skf21("4","4","3","3","7","3","7","1") = "6"
    & skf21("4","4","3","3","7","4","1","1") = "6"
    & skf21("4","4","3","3","7","4","2","1") = "6"
    & skf21("4","4","3","3","7","4","3","1") = "6"
    & skf21("4","4","3","3","7","4","4","1") = "6"
    & skf21("4","4","3","3","7","4","5","1") = "6"
    & skf21("4","4","3","3","7","4","6","1") = "6"
    & skf21("4","4","3","3","7","4","7","1") = "6"
    & skf21("4","4","3","3","7","5","1","1") = "6"
    & skf21("4","4","3","3","7","5","2","1") = "6"
    & skf21("4","4","3","3","7","5","3","1") = "6"
    & skf21("4","4","3","3","7","5","4","1") = "6"
    & skf21("4","4","3","3","7","5","5","1") = "6"
    & skf21("4","4","3","3","7","5","6","1") = "6"
    & skf21("4","4","3","3","7","5","7","1") = "6"
    & skf21("4","4","3","3","7","6","1","1") = "6"
    & skf21("4","4","3","3","7","6","2","1") = "6"
    & skf21("4","4","3","3","7","6","3","1") = "6"
    & skf21("4","4","3","3","7","6","4","1") = "6"
    & skf21("4","4","3","3","7","6","5","1") = "6"
    & skf21("4","4","3","3","7","6","6","1") = "6"
    & skf21("4","4","3","3","7","6","7","1") = "6"
    & skf21("4","4","3","3","7","7","1","1") = "6"
    & skf21("4","4","3","3","7","7","2","1") = "6"
    & skf21("4","4","3","3","7","7","3","1") = "6"
    & skf21("4","4","3","3","7","7","4","1") = "6"
    & skf21("4","4","3","3","7","7","5","1") = "6"
    & skf21("4","4","3","3","7","7","6","1") = "6"
    & skf21("4","4","3","3","7","7","7","1") = "6"
    & skf21("4","4","3","4","1","1","1","1") = "3"
    & skf21("4","4","3","4","1","1","2","1") = "3"
    & skf21("4","4","3","4","1","1","3","1") = "3"
    & skf21("4","4","3","4","1","1","4","1") = "3"
    & skf21("4","4","3","4","1","1","5","1") = "4"
    & skf21("4","4","3","4","1","1","6","1") = "5"
    & skf21("4","4","3","4","1","1","7","1") = "6"
    & skf21("4","4","3","4","1","2","1","1") = "3"
    & skf21("4","4","3","4","1","2","2","1") = "3"
    & skf21("4","4","3","4","1","2","3","1") = "3"
    & skf21("4","4","3","4","1","2","4","1") = "3"
    & skf21("4","4","3","4","1","2","5","1") = "4"
    & skf21("4","4","3","4","1","2","6","1") = "5"
    & skf21("4","4","3","4","1","2","7","1") = "6"
    & skf21("4","4","3","4","1","3","1","1") = "3"
    & skf21("4","4","3","4","1","3","2","1") = "3"
    & skf21("4","4","3","4","1","3","3","1") = "3"
    & skf21("4","4","3","4","1","3","4","1") = "3"
    & skf21("4","4","3","4","1","3","5","1") = "4"
    & skf21("4","4","3","4","1","3","6","1") = "5"
    & skf21("4","4","3","4","1","3","7","1") = "6"
    & skf21("4","4","3","4","1","4","1","1") = "3"
    & skf21("4","4","3","4","1","4","2","1") = "3"
    & skf21("4","4","3","4","1","4","3","1") = "3"
    & skf21("4","4","3","4","1","4","4","1") = "3"
    & skf21("4","4","3","4","1","4","5","1") = "4"
    & skf21("4","4","3","4","1","4","6","1") = "5"
    & skf21("4","4","3","4","1","4","7","1") = "6"
    & skf21("4","4","3","4","1","5","1","1") = "4"
    & skf21("4","4","3","4","1","5","2","1") = "4"
    & skf21("4","4","3","4","1","5","3","1") = "4"
    & skf21("4","4","3","4","1","5","4","1") = "4"
    & skf21("4","4","3","4","1","5","5","1") = "4"
    & skf21("4","4","3","4","1","5","6","1") = "5"
    & skf21("4","4","3","4","1","5","7","1") = "6"
    & skf21("4","4","3","4","1","6","1","1") = "5"
    & skf21("4","4","3","4","1","6","2","1") = "5"
    & skf21("4","4","3","4","1","6","3","1") = "5"
    & skf21("4","4","3","4","1","6","4","1") = "5"
    & skf21("4","4","3","4","1","6","5","1") = "5"
    & skf21("4","4","3","4","1","6","6","1") = "5"
    & skf21("4","4","3","4","1","6","7","1") = "6"
    & skf21("4","4","3","4","1","7","1","1") = "6"
    & skf21("4","4","3","4","1","7","2","1") = "6"
    & skf21("4","4","3","4","1","7","3","1") = "6"
    & skf21("4","4","3","4","1","7","4","1") = "6"
    & skf21("4","4","3","4","1","7","5","1") = "6"
    & skf21("4","4","3","4","1","7","6","1") = "6"
    & skf21("4","4","3","4","1","7","7","1") = "6"
    & skf21("4","4","3","4","2","1","1","1") = "3"
    & skf21("4","4","3","4","2","1","2","1") = "3"
    & skf21("4","4","3","4","2","1","3","1") = "3"
    & skf21("4","4","3","4","2","1","4","1") = "3"
    & skf21("4","4","3","4","2","1","5","1") = "4"
    & skf21("4","4","3","4","2","1","6","1") = "5"
    & skf21("4","4","3","4","2","1","7","1") = "6"
    & skf21("4","4","3","4","2","2","1","1") = "3"
    & skf21("4","4","3","4","2","2","2","1") = "3"
    & skf21("4","4","3","4","2","2","3","1") = "3"
    & skf21("4","4","3","4","2","2","4","1") = "3"
    & skf21("4","4","3","4","2","2","5","1") = "4"
    & skf21("4","4","3","4","2","2","6","1") = "5"
    & skf21("4","4","3","4","2","2","7","1") = "6"
    & skf21("4","4","3","4","2","3","1","1") = "3"
    & skf21("4","4","3","4","2","3","2","1") = "3"
    & skf21("4","4","3","4","2","3","3","1") = "3"
    & skf21("4","4","3","4","2","3","4","1") = "3"
    & skf21("4","4","3","4","2","3","5","1") = "4"
    & skf21("4","4","3","4","2","3","6","1") = "5"
    & skf21("4","4","3","4","2","3","7","1") = "6"
    & skf21("4","4","3","4","2","4","1","1") = "3"
    & skf21("4","4","3","4","2","4","2","1") = "3"
    & skf21("4","4","3","4","2","4","3","1") = "3"
    & skf21("4","4","3","4","2","4","4","1") = "3"
    & skf21("4","4","3","4","2","4","5","1") = "4"
    & skf21("4","4","3","4","2","4","6","1") = "5"
    & skf21("4","4","3","4","2","4","7","1") = "6"
    & skf21("4","4","3","4","2","5","1","1") = "4"
    & skf21("4","4","3","4","2","5","2","1") = "4"
    & skf21("4","4","3","4","2","5","3","1") = "4"
    & skf21("4","4","3","4","2","5","4","1") = "4"
    & skf21("4","4","3","4","2","5","5","1") = "4"
    & skf21("4","4","3","4","2","5","6","1") = "5"
    & skf21("4","4","3","4","2","5","7","1") = "6"
    & skf21("4","4","3","4","2","6","1","1") = "5"
    & skf21("4","4","3","4","2","6","2","1") = "5"
    & skf21("4","4","3","4","2","6","3","1") = "5"
    & skf21("4","4","3","4","2","6","4","1") = "5"
    & skf21("4","4","3","4","2","6","5","1") = "5"
    & skf21("4","4","3","4","2","6","6","1") = "5"
    & skf21("4","4","3","4","2","6","7","1") = "6"
    & skf21("4","4","3","4","2","7","1","1") = "6"
    & skf21("4","4","3","4","2","7","2","1") = "6"
    & skf21("4","4","3","4","2","7","3","1") = "6"
    & skf21("4","4","3","4","2","7","4","1") = "6"
    & skf21("4","4","3","4","2","7","5","1") = "6"
    & skf21("4","4","3","4","2","7","6","1") = "6"
    & skf21("4","4","3","4","2","7","7","1") = "6"
    & skf21("4","4","3","4","3","1","1","1") = "3"
    & skf21("4","4","3","4","3","1","2","1") = "3"
    & skf21("4","4","3","4","3","1","3","1") = "3"
    & skf21("4","4","3","4","3","1","4","1") = "3"
    & skf21("4","4","3","4","3","1","5","1") = "4"
    & skf21("4","4","3","4","3","1","6","1") = "5"
    & skf21("4","4","3","4","3","1","7","1") = "6"
    & skf21("4","4","3","4","3","2","1","1") = "3"
    & skf21("4","4","3","4","3","2","2","1") = "3"
    & skf21("4","4","3","4","3","2","3","1") = "3"
    & skf21("4","4","3","4","3","2","4","1") = "3"
    & skf21("4","4","3","4","3","2","5","1") = "4"
    & skf21("4","4","3","4","3","2","6","1") = "5"
    & skf21("4","4","3","4","3","2","7","1") = "6"
    & skf21("4","4","3","4","3","3","1","1") = "3"
    & skf21("4","4","3","4","3","3","2","1") = "3"
    & skf21("4","4","3","4","3","3","3","1") = "3"
    & skf21("4","4","3","4","3","3","4","1") = "3"
    & skf21("4","4","3","4","3","3","5","1") = "4"
    & skf21("4","4","3","4","3","3","6","1") = "5"
    & skf21("4","4","3","4","3","3","7","1") = "6"
    & skf21("4","4","3","4","3","4","1","1") = "3"
    & skf21("4","4","3","4","3","4","2","1") = "3"
    & skf21("4","4","3","4","3","4","3","1") = "3"
    & skf21("4","4","3","4","3","4","4","1") = "3"
    & skf21("4","4","3","4","3","4","5","1") = "4"
    & skf21("4","4","3","4","3","4","6","1") = "5"
    & skf21("4","4","3","4","3","4","7","1") = "6"
    & skf21("4","4","3","4","3","5","1","1") = "4"
    & skf21("4","4","3","4","3","5","2","1") = "4"
    & skf21("4","4","3","4","3","5","3","1") = "4"
    & skf21("4","4","3","4","3","5","4","1") = "4"
    & skf21("4","4","3","4","3","5","5","1") = "4"
    & skf21("4","4","3","4","3","5","6","1") = "5"
    & skf21("4","4","3","4","3","5","7","1") = "6"
    & skf21("4","4","3","4","3","6","1","1") = "5"
    & skf21("4","4","3","4","3","6","2","1") = "5"
    & skf21("4","4","3","4","3","6","3","1") = "5"
    & skf21("4","4","3","4","3","6","4","1") = "5"
    & skf21("4","4","3","4","3","6","5","1") = "5"
    & skf21("4","4","3","4","3","6","6","1") = "5"
    & skf21("4","4","3","4","3","6","7","1") = "6"
    & skf21("4","4","3","4","3","7","1","1") = "6"
    & skf21("4","4","3","4","3","7","2","1") = "6"
    & skf21("4","4","3","4","3","7","3","1") = "6"
    & skf21("4","4","3","4","3","7","4","1") = "6"
    & skf21("4","4","3","4","3","7","5","1") = "6"
    & skf21("4","4","3","4","3","7","6","1") = "6"
    & skf21("4","4","3","4","3","7","7","1") = "6"
    & skf21("4","4","3","4","4","1","1","1") = "3"
    & skf21("4","4","3","4","4","1","2","1") = "3"
    & skf21("4","4","3","4","4","1","3","1") = "3"
    & skf21("4","4","3","4","4","1","4","1") = "3"
    & skf21("4","4","3","4","4","1","5","1") = "4"
    & skf21("4","4","3","4","4","1","6","1") = "5"
    & skf21("4","4","3","4","4","1","7","1") = "6"
    & skf21("4","4","3","4","4","2","1","1") = "3"
    & skf21("4","4","3","4","4","2","2","1") = "3"
    & skf21("4","4","3","4","4","2","3","1") = "3"
    & skf21("4","4","3","4","4","2","4","1") = "3"
    & skf21("4","4","3","4","4","2","5","1") = "4"
    & skf21("4","4","3","4","4","2","6","1") = "5"
    & skf21("4","4","3","4","4","2","7","1") = "6"
    & skf21("4","4","3","4","4","3","1","1") = "3"
    & skf21("4","4","3","4","4","3","2","1") = "3"
    & skf21("4","4","3","4","4","3","3","1") = "3"
    & skf21("4","4","3","4","4","3","4","1") = "3"
    & skf21("4","4","3","4","4","3","5","1") = "4"
    & skf21("4","4","3","4","4","3","6","1") = "5"
    & skf21("4","4","3","4","4","3","7","1") = "6"
    & skf21("4","4","3","4","4","4","1","1") = "3"
    & skf21("4","4","3","4","4","4","2","1") = "3"
    & skf21("4","4","3","4","4","4","3","1") = "3"
    & skf21("4","4","3","4","4","4","4","1") = "3"
    & skf21("4","4","3","4","4","4","5","1") = "4"
    & skf21("4","4","3","4","4","4","6","1") = "5"
    & skf21("4","4","3","4","4","4","7","1") = "6"
    & skf21("4","4","3","4","4","5","1","1") = "4"
    & skf21("4","4","3","4","4","5","2","1") = "4"
    & skf21("4","4","3","4","4","5","3","1") = "4"
    & skf21("4","4","3","4","4","5","4","1") = "4"
    & skf21("4","4","3","4","4","5","5","1") = "4"
    & skf21("4","4","3","4","4","5","6","1") = "5"
    & skf21("4","4","3","4","4","5","7","1") = "6"
    & skf21("4","4","3","4","4","6","1","1") = "5"
    & skf21("4","4","3","4","4","6","2","1") = "5"
    & skf21("4","4","3","4","4","6","3","1") = "5"
    & skf21("4","4","3","4","4","6","4","1") = "5"
    & skf21("4","4","3","4","4","6","5","1") = "5"
    & skf21("4","4","3","4","4","6","6","1") = "5"
    & skf21("4","4","3","4","4","6","7","1") = "6"
    & skf21("4","4","3","4","4","7","1","1") = "6"
    & skf21("4","4","3","4","4","7","2","1") = "6"
    & skf21("4","4","3","4","4","7","3","1") = "6"
    & skf21("4","4","3","4","4","7","4","1") = "6"
    & skf21("4","4","3","4","4","7","5","1") = "6"
    & skf21("4","4","3","4","4","7","6","1") = "6"
    & skf21("4","4","3","4","4","7","7","1") = "6"
    & skf21("4","4","3","4","5","1","1","1") = "4"
    & skf21("4","4","3","4","5","1","2","1") = "4"
    & skf21("4","4","3","4","5","1","3","1") = "4"
    & skf21("4","4","3","4","5","1","4","1") = "4"
    & skf21("4","4","3","4","5","1","5","1") = "4"
    & skf21("4","4","3","4","5","1","6","1") = "5"
    & skf21("4","4","3","4","5","1","7","1") = "6"
    & skf21("4","4","3","4","5","2","1","1") = "4"
    & skf21("4","4","3","4","5","2","2","1") = "4"
    & skf21("4","4","3","4","5","2","3","1") = "4"
    & skf21("4","4","3","4","5","2","4","1") = "4"
    & skf21("4","4","3","4","5","2","5","1") = "4"
    & skf21("4","4","3","4","5","2","6","1") = "5"
    & skf21("4","4","3","4","5","2","7","1") = "6"
    & skf21("4","4","3","4","5","3","1","1") = "4"
    & skf21("4","4","3","4","5","3","2","1") = "4"
    & skf21("4","4","3","4","5","3","3","1") = "4"
    & skf21("4","4","3","4","5","3","4","1") = "4"
    & skf21("4","4","3","4","5","3","5","1") = "4"
    & skf21("4","4","3","4","5","3","6","1") = "5"
    & skf21("4","4","3","4","5","3","7","1") = "6"
    & skf21("4","4","3","4","5","4","1","1") = "4"
    & skf21("4","4","3","4","5","4","2","1") = "4"
    & skf21("4","4","3","4","5","4","3","1") = "4"
    & skf21("4","4","3","4","5","4","4","1") = "4"
    & skf21("4","4","3","4","5","4","5","1") = "4"
    & skf21("4","4","3","4","5","4","6","1") = "5"
    & skf21("4","4","3","4","5","4","7","1") = "6"
    & skf21("4","4","3","4","5","5","1","1") = "4"
    & skf21("4","4","3","4","5","5","2","1") = "4"
    & skf21("4","4","3","4","5","5","3","1") = "4"
    & skf21("4","4","3","4","5","5","4","1") = "4"
    & skf21("4","4","3","4","5","5","5","1") = "4"
    & skf21("4","4","3","4","5","5","6","1") = "5"
    & skf21("4","4","3","4","5","5","7","1") = "6"
    & skf21("4","4","3","4","5","6","1","1") = "5"
    & skf21("4","4","3","4","5","6","2","1") = "5"
    & skf21("4","4","3","4","5","6","3","1") = "5"
    & skf21("4","4","3","4","5","6","4","1") = "5"
    & skf21("4","4","3","4","5","6","5","1") = "5"
    & skf21("4","4","3","4","5","6","6","1") = "5"
    & skf21("4","4","3","4","5","6","7","1") = "6"
    & skf21("4","4","3","4","5","7","1","1") = "6"
    & skf21("4","4","3","4","5","7","2","1") = "6"
    & skf21("4","4","3","4","5","7","3","1") = "6"
    & skf21("4","4","3","4","5","7","4","1") = "6"
    & skf21("4","4","3","4","5","7","5","1") = "6"
    & skf21("4","4","3","4","5","7","6","1") = "6"
    & skf21("4","4","3","4","5","7","7","1") = "6"
    & skf21("4","4","3","4","6","1","1","1") = "5"
    & skf21("4","4","3","4","6","1","2","1") = "5"
    & skf21("4","4","3","4","6","1","3","1") = "5"
    & skf21("4","4","3","4","6","1","4","1") = "5"
    & skf21("4","4","3","4","6","1","5","1") = "5"
    & skf21("4","4","3","4","6","1","6","1") = "5"
    & skf21("4","4","3","4","6","1","7","1") = "6"
    & skf21("4","4","3","4","6","2","1","1") = "5"
    & skf21("4","4","3","4","6","2","2","1") = "5"
    & skf21("4","4","3","4","6","2","3","1") = "5"
    & skf21("4","4","3","4","6","2","4","1") = "5"
    & skf21("4","4","3","4","6","2","5","1") = "5"
    & skf21("4","4","3","4","6","2","6","1") = "5"
    & skf21("4","4","3","4","6","2","7","1") = "6"
    & skf21("4","4","3","4","6","3","1","1") = "5"
    & skf21("4","4","3","4","6","3","2","1") = "5"
    & skf21("4","4","3","4","6","3","3","1") = "5"
    & skf21("4","4","3","4","6","3","4","1") = "5"
    & skf21("4","4","3","4","6","3","5","1") = "5"
    & skf21("4","4","3","4","6","3","6","1") = "5"
    & skf21("4","4","3","4","6","3","7","1") = "6"
    & skf21("4","4","3","4","6","4","1","1") = "5"
    & skf21("4","4","3","4","6","4","2","1") = "5"
    & skf21("4","4","3","4","6","4","3","1") = "5"
    & skf21("4","4","3","4","6","4","4","1") = "5"
    & skf21("4","4","3","4","6","4","5","1") = "5"
    & skf21("4","4","3","4","6","4","6","1") = "5"
    & skf21("4","4","3","4","6","4","7","1") = "6"
    & skf21("4","4","3","4","6","5","1","1") = "5"
    & skf21("4","4","3","4","6","5","2","1") = "5"
    & skf21("4","4","3","4","6","5","3","1") = "5"
    & skf21("4","4","3","4","6","5","4","1") = "5"
    & skf21("4","4","3","4","6","5","5","1") = "5"
    & skf21("4","4","3","4","6","5","6","1") = "5"
    & skf21("4","4","3","4","6","5","7","1") = "6"
    & skf21("4","4","3","4","6","6","1","1") = "5"
    & skf21("4","4","3","4","6","6","2","1") = "5"
    & skf21("4","4","3","4","6","6","3","1") = "5"
    & skf21("4","4","3","4","6","6","4","1") = "5"
    & skf21("4","4","3","4","6","6","5","1") = "5"
    & skf21("4","4","3","4","6","6","6","1") = "5"
    & skf21("4","4","3","4","6","6","7","1") = "6"
    & skf21("4","4","3","4","6","7","1","1") = "6"
    & skf21("4","4","3","4","6","7","2","1") = "6"
    & skf21("4","4","3","4","6","7","3","1") = "6"
    & skf21("4","4","3","4","6","7","4","1") = "6"
    & skf21("4","4","3","4","6","7","5","1") = "6"
    & skf21("4","4","3","4","6","7","6","1") = "6"
    & skf21("4","4","3","4","6","7","7","1") = "6"
    & skf21("4","4","3","4","7","1","1","1") = "6"
    & skf21("4","4","3","4","7","1","2","1") = "6"
    & skf21("4","4","3","4","7","1","3","1") = "6"
    & skf21("4","4","3","4","7","1","4","1") = "6"
    & skf21("4","4","3","4","7","1","5","1") = "6"
    & skf21("4","4","3","4","7","1","6","1") = "6"
    & skf21("4","4","3","4","7","1","7","1") = "6"
    & skf21("4","4","3","4","7","2","1","1") = "6"
    & skf21("4","4","3","4","7","2","2","1") = "6"
    & skf21("4","4","3","4","7","2","3","1") = "6"
    & skf21("4","4","3","4","7","2","4","1") = "6"
    & skf21("4","4","3","4","7","2","5","1") = "6"
    & skf21("4","4","3","4","7","2","6","1") = "6"
    & skf21("4","4","3","4","7","2","7","1") = "6"
    & skf21("4","4","3","4","7","3","1","1") = "6"
    & skf21("4","4","3","4","7","3","2","1") = "6"
    & skf21("4","4","3","4","7","3","3","1") = "6"
    & skf21("4","4","3","4","7","3","4","1") = "6"
    & skf21("4","4","3","4","7","3","5","1") = "6"
    & skf21("4","4","3","4","7","3","6","1") = "6"
    & skf21("4","4","3","4","7","3","7","1") = "6"
    & skf21("4","4","3","4","7","4","1","1") = "6"
    & skf21("4","4","3","4","7","4","2","1") = "6"
    & skf21("4","4","3","4","7","4","3","1") = "6"
    & skf21("4","4","3","4","7","4","4","1") = "6"
    & skf21("4","4","3","4","7","4","5","1") = "6"
    & skf21("4","4","3","4","7","4","6","1") = "6"
    & skf21("4","4","3","4","7","4","7","1") = "6"
    & skf21("4","4","3","4","7","5","1","1") = "6"
    & skf21("4","4","3","4","7","5","2","1") = "6"
    & skf21("4","4","3","4","7","5","3","1") = "6"
    & skf21("4","4","3","4","7","5","4","1") = "6"
    & skf21("4","4","3","4","7","5","5","1") = "6"
    & skf21("4","4","3","4","7","5","6","1") = "6"
    & skf21("4","4","3","4","7","5","7","1") = "6"
    & skf21("4","4","3","4","7","6","1","1") = "6"
    & skf21("4","4","3","4","7","6","2","1") = "6"
    & skf21("4","4","3","4","7","6","3","1") = "6"
    & skf21("4","4","3","4","7","6","4","1") = "6"
    & skf21("4","4","3","4","7","6","5","1") = "6"
    & skf21("4","4","3","4","7","6","6","1") = "6"
    & skf21("4","4","3","4","7","6","7","1") = "6"
    & skf21("4","4","3","4","7","7","1","1") = "6"
    & skf21("4","4","3","4","7","7","2","1") = "6"
    & skf21("4","4","3","4","7","7","3","1") = "6"
    & skf21("4","4","3","4","7","7","4","1") = "6"
    & skf21("4","4","3","4","7","7","5","1") = "6"
    & skf21("4","4","3","4","7","7","6","1") = "6"
    & skf21("4","4","3","4","7","7","7","1") = "6"
    & skf21("4","4","3","5","1","1","1","1") = "4"
    & skf21("4","4","3","5","1","1","2","1") = "4"
    & skf21("4","4","3","5","1","1","3","1") = "4"
    & skf21("4","4","3","5","1","1","4","1") = "4"
    & skf21("4","4","3","5","1","1","5","1") = "4"
    & skf21("4","4","3","5","1","1","6","1") = "5"
    & skf21("4","4","3","5","1","1","7","1") = "6"
    & skf21("4","4","3","5","1","2","1","1") = "4"
    & skf21("4","4","3","5","1","2","2","1") = "4"
    & skf21("4","4","3","5","1","2","3","1") = "4"
    & skf21("4","4","3","5","1","2","4","1") = "4"
    & skf21("4","4","3","5","1","2","5","1") = "4"
    & skf21("4","4","3","5","1","2","6","1") = "5"
    & skf21("4","4","3","5","1","2","7","1") = "6"
    & skf21("4","4","3","5","1","3","1","1") = "4"
    & skf21("4","4","3","5","1","3","2","1") = "4"
    & skf21("4","4","3","5","1","3","3","1") = "4"
    & skf21("4","4","3","5","1","3","4","1") = "4"
    & skf21("4","4","3","5","1","3","5","1") = "4"
    & skf21("4","4","3","5","1","3","6","1") = "5"
    & skf21("4","4","3","5","1","3","7","1") = "6"
    & skf21("4","4","3","5","1","4","1","1") = "4"
    & skf21("4","4","3","5","1","4","2","1") = "4"
    & skf21("4","4","3","5","1","4","3","1") = "4"
    & skf21("4","4","3","5","1","4","4","1") = "4"
    & skf21("4","4","3","5","1","4","5","1") = "4"
    & skf21("4","4","3","5","1","4","6","1") = "5"
    & skf21("4","4","3","5","1","4","7","1") = "6"
    & skf21("4","4","3","5","1","5","1","1") = "4"
    & skf21("4","4","3","5","1","5","2","1") = "4"
    & skf21("4","4","3","5","1","5","3","1") = "4"
    & skf21("4","4","3","5","1","5","4","1") = "4"
    & skf21("4","4","3","5","1","5","5","1") = "4"
    & skf21("4","4","3","5","1","5","6","1") = "5"
    & skf21("4","4","3","5","1","5","7","1") = "6"
    & skf21("4","4","3","5","1","6","1","1") = "5"
    & skf21("4","4","3","5","1","6","2","1") = "5"
    & skf21("4","4","3","5","1","6","3","1") = "5"
    & skf21("4","4","3","5","1","6","4","1") = "5"
    & skf21("4","4","3","5","1","6","5","1") = "5"
    & skf21("4","4","3","5","1","6","6","1") = "5"
    & skf21("4","4","3","5","1","6","7","1") = "6"
    & skf21("4","4","3","5","1","7","1","1") = "6"
    & skf21("4","4","3","5","1","7","2","1") = "6"
    & skf21("4","4","3","5","1","7","3","1") = "6"
    & skf21("4","4","3","5","1","7","4","1") = "6"
    & skf21("4","4","3","5","1","7","5","1") = "6"
    & skf21("4","4","3","5","1","7","6","1") = "6"
    & skf21("4","4","3","5","1","7","7","1") = "6"
    & skf21("4","4","3","5","2","1","1","1") = "4"
    & skf21("4","4","3","5","2","1","2","1") = "4"
    & skf21("4","4","3","5","2","1","3","1") = "4"
    & skf21("4","4","3","5","2","1","4","1") = "4"
    & skf21("4","4","3","5","2","1","5","1") = "4"
    & skf21("4","4","3","5","2","1","6","1") = "5"
    & skf21("4","4","3","5","2","1","7","1") = "6"
    & skf21("4","4","3","5","2","2","1","1") = "4"
    & skf21("4","4","3","5","2","2","2","1") = "4"
    & skf21("4","4","3","5","2","2","3","1") = "4"
    & skf21("4","4","3","5","2","2","4","1") = "4"
    & skf21("4","4","3","5","2","2","5","1") = "4"
    & skf21("4","4","3","5","2","2","6","1") = "5"
    & skf21("4","4","3","5","2","2","7","1") = "6"
    & skf21("4","4","3","5","2","3","1","1") = "4"
    & skf21("4","4","3","5","2","3","2","1") = "4"
    & skf21("4","4","3","5","2","3","3","1") = "4"
    & skf21("4","4","3","5","2","3","4","1") = "4"
    & skf21("4","4","3","5","2","3","5","1") = "4"
    & skf21("4","4","3","5","2","3","6","1") = "5"
    & skf21("4","4","3","5","2","3","7","1") = "6"
    & skf21("4","4","3","5","2","4","1","1") = "4"
    & skf21("4","4","3","5","2","4","2","1") = "4"
    & skf21("4","4","3","5","2","4","3","1") = "4"
    & skf21("4","4","3","5","2","4","4","1") = "4"
    & skf21("4","4","3","5","2","4","5","1") = "4"
    & skf21("4","4","3","5","2","4","6","1") = "5"
    & skf21("4","4","3","5","2","4","7","1") = "6"
    & skf21("4","4","3","5","2","5","1","1") = "4"
    & skf21("4","4","3","5","2","5","2","1") = "4"
    & skf21("4","4","3","5","2","5","3","1") = "4"
    & skf21("4","4","3","5","2","5","4","1") = "4"
    & skf21("4","4","3","5","2","5","5","1") = "4"
    & skf21("4","4","3","5","2","5","6","1") = "5"
    & skf21("4","4","3","5","2","5","7","1") = "6"
    & skf21("4","4","3","5","2","6","1","1") = "5"
    & skf21("4","4","3","5","2","6","2","1") = "5"
    & skf21("4","4","3","5","2","6","3","1") = "5"
    & skf21("4","4","3","5","2","6","4","1") = "5"
    & skf21("4","4","3","5","2","6","5","1") = "5"
    & skf21("4","4","3","5","2","6","6","1") = "5"
    & skf21("4","4","3","5","2","6","7","1") = "6"
    & skf21("4","4","3","5","2","7","1","1") = "6"
    & skf21("4","4","3","5","2","7","2","1") = "6"
    & skf21("4","4","3","5","2","7","3","1") = "6"
    & skf21("4","4","3","5","2","7","4","1") = "6"
    & skf21("4","4","3","5","2","7","5","1") = "6"
    & skf21("4","4","3","5","2","7","6","1") = "6"
    & skf21("4","4","3","5","2","7","7","1") = "6"
    & skf21("4","4","3","5","3","1","1","1") = "4"
    & skf21("4","4","3","5","3","1","2","1") = "4"
    & skf21("4","4","3","5","3","1","3","1") = "4"
    & skf21("4","4","3","5","3","1","4","1") = "4"
    & skf21("4","4","3","5","3","1","5","1") = "4"
    & skf21("4","4","3","5","3","1","6","1") = "5"
    & skf21("4","4","3","5","3","1","7","1") = "6"
    & skf21("4","4","3","5","3","2","1","1") = "4"
    & skf21("4","4","3","5","3","2","2","1") = "4"
    & skf21("4","4","3","5","3","2","3","1") = "4"
    & skf21("4","4","3","5","3","2","4","1") = "4"
    & skf21("4","4","3","5","3","2","5","1") = "4"
    & skf21("4","4","3","5","3","2","6","1") = "5"
    & skf21("4","4","3","5","3","2","7","1") = "6"
    & skf21("4","4","3","5","3","3","1","1") = "4"
    & skf21("4","4","3","5","3","3","2","1") = "4"
    & skf21("4","4","3","5","3","3","3","1") = "4"
    & skf21("4","4","3","5","3","3","4","1") = "4"
    & skf21("4","4","3","5","3","3","5","1") = "4"
    & skf21("4","4","3","5","3","3","6","1") = "5"
    & skf21("4","4","3","5","3","3","7","1") = "6"
    & skf21("4","4","3","5","3","4","1","1") = "4"
    & skf21("4","4","3","5","3","4","2","1") = "4"
    & skf21("4","4","3","5","3","4","3","1") = "4"
    & skf21("4","4","3","5","3","4","4","1") = "4"
    & skf21("4","4","3","5","3","4","5","1") = "4"
    & skf21("4","4","3","5","3","4","6","1") = "5"
    & skf21("4","4","3","5","3","4","7","1") = "6"
    & skf21("4","4","3","5","3","5","1","1") = "4"
    & skf21("4","4","3","5","3","5","2","1") = "4"
    & skf21("4","4","3","5","3","5","3","1") = "4"
    & skf21("4","4","3","5","3","5","4","1") = "4"
    & skf21("4","4","3","5","3","5","5","1") = "4"
    & skf21("4","4","3","5","3","5","6","1") = "5"
    & skf21("4","4","3","5","3","5","7","1") = "6"
    & skf21("4","4","3","5","3","6","1","1") = "5"
    & skf21("4","4","3","5","3","6","2","1") = "5"
    & skf21("4","4","3","5","3","6","3","1") = "5"
    & skf21("4","4","3","5","3","6","4","1") = "5"
    & skf21("4","4","3","5","3","6","5","1") = "5"
    & skf21("4","4","3","5","3","6","6","1") = "5"
    & skf21("4","4","3","5","3","6","7","1") = "6"
    & skf21("4","4","3","5","3","7","1","1") = "6"
    & skf21("4","4","3","5","3","7","2","1") = "6"
    & skf21("4","4","3","5","3","7","3","1") = "6"
    & skf21("4","4","3","5","3","7","4","1") = "6"
    & skf21("4","4","3","5","3","7","5","1") = "6"
    & skf21("4","4","3","5","3","7","6","1") = "6"
    & skf21("4","4","3","5","3","7","7","1") = "6"
    & skf21("4","4","3","5","4","1","1","1") = "4"
    & skf21("4","4","3","5","4","1","2","1") = "4"
    & skf21("4","4","3","5","4","1","3","1") = "4"
    & skf21("4","4","3","5","4","1","4","1") = "4"
    & skf21("4","4","3","5","4","1","5","1") = "4"
    & skf21("4","4","3","5","4","1","6","1") = "5"
    & skf21("4","4","3","5","4","1","7","1") = "6"
    & skf21("4","4","3","5","4","2","1","1") = "4"
    & skf21("4","4","3","5","4","2","2","1") = "4"
    & skf21("4","4","3","5","4","2","3","1") = "4"
    & skf21("4","4","3","5","4","2","4","1") = "4"
    & skf21("4","4","3","5","4","2","5","1") = "4"
    & skf21("4","4","3","5","4","2","6","1") = "5"
    & skf21("4","4","3","5","4","2","7","1") = "6"
    & skf21("4","4","3","5","4","3","1","1") = "4"
    & skf21("4","4","3","5","4","3","2","1") = "4"
    & skf21("4","4","3","5","4","3","3","1") = "4"
    & skf21("4","4","3","5","4","3","4","1") = "4"
    & skf21("4","4","3","5","4","3","5","1") = "4"
    & skf21("4","4","3","5","4","3","6","1") = "5"
    & skf21("4","4","3","5","4","3","7","1") = "6"
    & skf21("4","4","3","5","4","4","1","1") = "4"
    & skf21("4","4","3","5","4","4","2","1") = "4"
    & skf21("4","4","3","5","4","4","3","1") = "4"
    & skf21("4","4","3","5","4","4","4","1") = "4"
    & skf21("4","4","3","5","4","4","5","1") = "4"
    & skf21("4","4","3","5","4","4","6","1") = "5"
    & skf21("4","4","3","5","4","4","7","1") = "6"
    & skf21("4","4","3","5","4","5","1","1") = "4"
    & skf21("4","4","3","5","4","5","2","1") = "4"
    & skf21("4","4","3","5","4","5","3","1") = "4"
    & skf21("4","4","3","5","4","5","4","1") = "4"
    & skf21("4","4","3","5","4","5","5","1") = "4"
    & skf21("4","4","3","5","4","5","6","1") = "5"
    & skf21("4","4","3","5","4","5","7","1") = "6"
    & skf21("4","4","3","5","4","6","1","1") = "5"
    & skf21("4","4","3","5","4","6","2","1") = "5"
    & skf21("4","4","3","5","4","6","3","1") = "5"
    & skf21("4","4","3","5","4","6","4","1") = "5"
    & skf21("4","4","3","5","4","6","5","1") = "5"
    & skf21("4","4","3","5","4","6","6","1") = "5"
    & skf21("4","4","3","5","4","6","7","1") = "6"
    & skf21("4","4","3","5","4","7","1","1") = "6"
    & skf21("4","4","3","5","4","7","2","1") = "6"
    & skf21("4","4","3","5","4","7","3","1") = "6"
    & skf21("4","4","3","5","4","7","4","1") = "6"
    & skf21("4","4","3","5","4","7","5","1") = "6"
    & skf21("4","4","3","5","4","7","6","1") = "6"
    & skf21("4","4","3","5","4","7","7","1") = "6"
    & skf21("4","4","3","5","5","1","1","1") = "4"
    & skf21("4","4","3","5","5","1","2","1") = "4"
    & skf21("4","4","3","5","5","1","3","1") = "4"
    & skf21("4","4","3","5","5","1","4","1") = "4"
    & skf21("4","4","3","5","5","1","5","1") = "4"
    & skf21("4","4","3","5","5","1","6","1") = "5"
    & skf21("4","4","3","5","5","1","7","1") = "6"
    & skf21("4","4","3","5","5","2","1","1") = "4"
    & skf21("4","4","3","5","5","2","2","1") = "4"
    & skf21("4","4","3","5","5","2","3","1") = "4"
    & skf21("4","4","3","5","5","2","4","1") = "4"
    & skf21("4","4","3","5","5","2","5","1") = "4"
    & skf21("4","4","3","5","5","2","6","1") = "5"
    & skf21("4","4","3","5","5","2","7","1") = "6"
    & skf21("4","4","3","5","5","3","1","1") = "4"
    & skf21("4","4","3","5","5","3","2","1") = "4"
    & skf21("4","4","3","5","5","3","3","1") = "4"
    & skf21("4","4","3","5","5","3","4","1") = "4"
    & skf21("4","4","3","5","5","3","5","1") = "4"
    & skf21("4","4","3","5","5","3","6","1") = "5"
    & skf21("4","4","3","5","5","3","7","1") = "6"
    & skf21("4","4","3","5","5","4","1","1") = "4"
    & skf21("4","4","3","5","5","4","2","1") = "4"
    & skf21("4","4","3","5","5","4","3","1") = "4"
    & skf21("4","4","3","5","5","4","4","1") = "4"
    & skf21("4","4","3","5","5","4","5","1") = "4"
    & skf21("4","4","3","5","5","4","6","1") = "5"
    & skf21("4","4","3","5","5","4","7","1") = "6"
    & skf21("4","4","3","5","5","5","1","1") = "4"
    & skf21("4","4","3","5","5","5","2","1") = "4"
    & skf21("4","4","3","5","5","5","3","1") = "4"
    & skf21("4","4","3","5","5","5","4","1") = "4"
    & skf21("4","4","3","5","5","5","5","1") = "4"
    & skf21("4","4","3","5","5","5","6","1") = "5"
    & skf21("4","4","3","5","5","5","7","1") = "6"
    & skf21("4","4","3","5","5","6","1","1") = "5"
    & skf21("4","4","3","5","5","6","2","1") = "5"
    & skf21("4","4","3","5","5","6","3","1") = "5"
    & skf21("4","4","3","5","5","6","4","1") = "5"
    & skf21("4","4","3","5","5","6","5","1") = "5"
    & skf21("4","4","3","5","5","6","6","1") = "5"
    & skf21("4","4","3","5","5","6","7","1") = "6"
    & skf21("4","4","3","5","5","7","1","1") = "6"
    & skf21("4","4","3","5","5","7","2","1") = "6"
    & skf21("4","4","3","5","5","7","3","1") = "6"
    & skf21("4","4","3","5","5","7","4","1") = "6"
    & skf21("4","4","3","5","5","7","5","1") = "6"
    & skf21("4","4","3","5","5","7","6","1") = "6"
    & skf21("4","4","3","5","5","7","7","1") = "6"
    & skf21("4","4","3","5","6","1","1","1") = "5"
    & skf21("4","4","3","5","6","1","2","1") = "5"
    & skf21("4","4","3","5","6","1","3","1") = "5"
    & skf21("4","4","3","5","6","1","4","1") = "5"
    & skf21("4","4","3","5","6","1","5","1") = "5"
    & skf21("4","4","3","5","6","1","6","1") = "5"
    & skf21("4","4","3","5","6","1","7","1") = "6"
    & skf21("4","4","3","5","6","2","1","1") = "5"
    & skf21("4","4","3","5","6","2","2","1") = "5"
    & skf21("4","4","3","5","6","2","3","1") = "5"
    & skf21("4","4","3","5","6","2","4","1") = "5"
    & skf21("4","4","3","5","6","2","5","1") = "5"
    & skf21("4","4","3","5","6","2","6","1") = "5"
    & skf21("4","4","3","5","6","2","7","1") = "6"
    & skf21("4","4","3","5","6","3","1","1") = "5"
    & skf21("4","4","3","5","6","3","2","1") = "5"
    & skf21("4","4","3","5","6","3","3","1") = "5"
    & skf21("4","4","3","5","6","3","4","1") = "5"
    & skf21("4","4","3","5","6","3","5","1") = "5"
    & skf21("4","4","3","5","6","3","6","1") = "5"
    & skf21("4","4","3","5","6","3","7","1") = "6"
    & skf21("4","4","3","5","6","4","1","1") = "5"
    & skf21("4","4","3","5","6","4","2","1") = "5"
    & skf21("4","4","3","5","6","4","3","1") = "5"
    & skf21("4","4","3","5","6","4","4","1") = "5"
    & skf21("4","4","3","5","6","4","5","1") = "5"
    & skf21("4","4","3","5","6","4","6","1") = "5"
    & skf21("4","4","3","5","6","4","7","1") = "6"
    & skf21("4","4","3","5","6","5","1","1") = "5"
    & skf21("4","4","3","5","6","5","2","1") = "5"
    & skf21("4","4","3","5","6","5","3","1") = "5"
    & skf21("4","4","3","5","6","5","4","1") = "5"
    & skf21("4","4","3","5","6","5","5","1") = "5"
    & skf21("4","4","3","5","6","5","6","1") = "5"
    & skf21("4","4","3","5","6","5","7","1") = "6"
    & skf21("4","4","3","5","6","6","1","1") = "5"
    & skf21("4","4","3","5","6","6","2","1") = "5"
    & skf21("4","4","3","5","6","6","3","1") = "5"
    & skf21("4","4","3","5","6","6","4","1") = "5"
    & skf21("4","4","3","5","6","6","5","1") = "5"
    & skf21("4","4","3","5","6","6","6","1") = "5"
    & skf21("4","4","3","5","6","6","7","1") = "6"
    & skf21("4","4","3","5","6","7","1","1") = "6"
    & skf21("4","4","3","5","6","7","2","1") = "6"
    & skf21("4","4","3","5","6","7","3","1") = "6"
    & skf21("4","4","3","5","6","7","4","1") = "6"
    & skf21("4","4","3","5","6","7","5","1") = "6"
    & skf21("4","4","3","5","6","7","6","1") = "6"
    & skf21("4","4","3","5","6","7","7","1") = "6"
    & skf21("4","4","3","5","7","1","1","1") = "6"
    & skf21("4","4","3","5","7","1","2","1") = "6"
    & skf21("4","4","3","5","7","1","3","1") = "6"
    & skf21("4","4","3","5","7","1","4","1") = "6"
    & skf21("4","4","3","5","7","1","5","1") = "6"
    & skf21("4","4","3","5","7","1","6","1") = "6"
    & skf21("4","4","3","5","7","1","7","1") = "6"
    & skf21("4","4","3","5","7","2","1","1") = "6"
    & skf21("4","4","3","5","7","2","2","1") = "6"
    & skf21("4","4","3","5","7","2","3","1") = "6"
    & skf21("4","4","3","5","7","2","4","1") = "6"
    & skf21("4","4","3","5","7","2","5","1") = "6"
    & skf21("4","4","3","5","7","2","6","1") = "6"
    & skf21("4","4","3","5","7","2","7","1") = "6"
    & skf21("4","4","3","5","7","3","1","1") = "6"
    & skf21("4","4","3","5","7","3","2","1") = "6"
    & skf21("4","4","3","5","7","3","3","1") = "6"
    & skf21("4","4","3","5","7","3","4","1") = "6"
    & skf21("4","4","3","5","7","3","5","1") = "6"
    & skf21("4","4","3","5","7","3","6","1") = "6"
    & skf21("4","4","3","5","7","3","7","1") = "6"
    & skf21("4","4","3","5","7","4","1","1") = "6"
    & skf21("4","4","3","5","7","4","2","1") = "6"
    & skf21("4","4","3","5","7","4","3","1") = "6"
    & skf21("4","4","3","5","7","4","4","1") = "6"
    & skf21("4","4","3","5","7","4","5","1") = "6"
    & skf21("4","4","3","5","7","4","6","1") = "6"
    & skf21("4","4","3","5","7","4","7","1") = "6"
    & skf21("4","4","3","5","7","5","1","1") = "6"
    & skf21("4","4","3","5","7","5","2","1") = "6"
    & skf21("4","4","3","5","7","5","3","1") = "6"
    & skf21("4","4","3","5","7","5","4","1") = "6"
    & skf21("4","4","3","5","7","5","5","1") = "6"
    & skf21("4","4","3","5","7","5","6","1") = "6"
    & skf21("4","4","3","5","7","5","7","1") = "6"
    & skf21("4","4","3","5","7","6","1","1") = "6"
    & skf21("4","4","3","5","7","6","2","1") = "6"
    & skf21("4","4","3","5","7","6","3","1") = "6"
    & skf21("4","4","3","5","7","6","4","1") = "6"
    & skf21("4","4","3","5","7","6","5","1") = "6"
    & skf21("4","4","3","5","7","6","6","1") = "6"
    & skf21("4","4","3","5","7","6","7","1") = "6"
    & skf21("4","4","3","5","7","7","1","1") = "6"
    & skf21("4","4","3","5","7","7","2","1") = "6"
    & skf21("4","4","3","5","7","7","3","1") = "6"
    & skf21("4","4","3","5","7","7","4","1") = "6"
    & skf21("4","4","3","5","7","7","5","1") = "6"
    & skf21("4","4","3","5","7","7","6","1") = "6"
    & skf21("4","4","3","5","7","7","7","1") = "6"
    & skf21("4","4","3","6","1","1","1","1") = "5"
    & skf21("4","4","3","6","1","1","2","1") = "5"
    & skf21("4","4","3","6","1","1","3","1") = "5"
    & skf21("4","4","3","6","1","1","4","1") = "5"
    & skf21("4","4","3","6","1","1","5","1") = "5"
    & skf21("4","4","3","6","1","1","6","1") = "5"
    & skf21("4","4","3","6","1","1","7","1") = "6"
    & skf21("4","4","3","6","1","2","1","1") = "5"
    & skf21("4","4","3","6","1","2","2","1") = "5"
    & skf21("4","4","3","6","1","2","3","1") = "5"
    & skf21("4","4","3","6","1","2","4","1") = "5"
    & skf21("4","4","3","6","1","2","5","1") = "5"
    & skf21("4","4","3","6","1","2","6","1") = "5"
    & skf21("4","4","3","6","1","2","7","1") = "6"
    & skf21("4","4","3","6","1","3","1","1") = "5"
    & skf21("4","4","3","6","1","3","2","1") = "5"
    & skf21("4","4","3","6","1","3","3","1") = "5"
    & skf21("4","4","3","6","1","3","4","1") = "5"
    & skf21("4","4","3","6","1","3","5","1") = "5"
    & skf21("4","4","3","6","1","3","6","1") = "5"
    & skf21("4","4","3","6","1","3","7","1") = "6"
    & skf21("4","4","3","6","1","4","1","1") = "5"
    & skf21("4","4","3","6","1","4","2","1") = "5"
    & skf21("4","4","3","6","1","4","3","1") = "5"
    & skf21("4","4","3","6","1","4","4","1") = "5"
    & skf21("4","4","3","6","1","4","5","1") = "5"
    & skf21("4","4","3","6","1","4","6","1") = "5"
    & skf21("4","4","3","6","1","4","7","1") = "6"
    & skf21("4","4","3","6","1","5","1","1") = "5"
    & skf21("4","4","3","6","1","5","2","1") = "5"
    & skf21("4","4","3","6","1","5","3","1") = "5"
    & skf21("4","4","3","6","1","5","4","1") = "5"
    & skf21("4","4","3","6","1","5","5","1") = "5"
    & skf21("4","4","3","6","1","5","6","1") = "5"
    & skf21("4","4","3","6","1","5","7","1") = "6"
    & skf21("4","4","3","6","1","6","1","1") = "5"
    & skf21("4","4","3","6","1","6","2","1") = "5"
    & skf21("4","4","3","6","1","6","3","1") = "5"
    & skf21("4","4","3","6","1","6","4","1") = "5"
    & skf21("4","4","3","6","1","6","5","1") = "5"
    & skf21("4","4","3","6","1","6","6","1") = "5"
    & skf21("4","4","3","6","1","6","7","1") = "6"
    & skf21("4","4","3","6","1","7","1","1") = "6"
    & skf21("4","4","3","6","1","7","2","1") = "6"
    & skf21("4","4","3","6","1","7","3","1") = "6"
    & skf21("4","4","3","6","1","7","4","1") = "6"
    & skf21("4","4","3","6","1","7","5","1") = "6"
    & skf21("4","4","3","6","1","7","6","1") = "6"
    & skf21("4","4","3","6","1","7","7","1") = "6"
    & skf21("4","4","3","6","2","1","1","1") = "5"
    & skf21("4","4","3","6","2","1","2","1") = "5"
    & skf21("4","4","3","6","2","1","3","1") = "5"
    & skf21("4","4","3","6","2","1","4","1") = "5"
    & skf21("4","4","3","6","2","1","5","1") = "5"
    & skf21("4","4","3","6","2","1","6","1") = "5"
    & skf21("4","4","3","6","2","1","7","1") = "6"
    & skf21("4","4","3","6","2","2","1","1") = "5"
    & skf21("4","4","3","6","2","2","2","1") = "5"
    & skf21("4","4","3","6","2","2","3","1") = "5"
    & skf21("4","4","3","6","2","2","4","1") = "5"
    & skf21("4","4","3","6","2","2","5","1") = "5"
    & skf21("4","4","3","6","2","2","6","1") = "5"
    & skf21("4","4","3","6","2","2","7","1") = "6"
    & skf21("4","4","3","6","2","3","1","1") = "5"
    & skf21("4","4","3","6","2","3","2","1") = "5"
    & skf21("4","4","3","6","2","3","3","1") = "5"
    & skf21("4","4","3","6","2","3","4","1") = "5"
    & skf21("4","4","3","6","2","3","5","1") = "5"
    & skf21("4","4","3","6","2","3","6","1") = "5"
    & skf21("4","4","3","6","2","3","7","1") = "6"
    & skf21("4","4","3","6","2","4","1","1") = "5"
    & skf21("4","4","3","6","2","4","2","1") = "5"
    & skf21("4","4","3","6","2","4","3","1") = "5"
    & skf21("4","4","3","6","2","4","4","1") = "5"
    & skf21("4","4","3","6","2","4","5","1") = "5"
    & skf21("4","4","3","6","2","4","6","1") = "5"
    & skf21("4","4","3","6","2","4","7","1") = "6"
    & skf21("4","4","3","6","2","5","1","1") = "5"
    & skf21("4","4","3","6","2","5","2","1") = "5"
    & skf21("4","4","3","6","2","5","3","1") = "5"
    & skf21("4","4","3","6","2","5","4","1") = "5"
    & skf21("4","4","3","6","2","5","5","1") = "5"
    & skf21("4","4","3","6","2","5","6","1") = "5"
    & skf21("4","4","3","6","2","5","7","1") = "6"
    & skf21("4","4","3","6","2","6","1","1") = "5"
    & skf21("4","4","3","6","2","6","2","1") = "5"
    & skf21("4","4","3","6","2","6","3","1") = "5"
    & skf21("4","4","3","6","2","6","4","1") = "5"
    & skf21("4","4","3","6","2","6","5","1") = "5"
    & skf21("4","4","3","6","2","6","6","1") = "5"
    & skf21("4","4","3","6","2","6","7","1") = "6"
    & skf21("4","4","3","6","2","7","1","1") = "6"
    & skf21("4","4","3","6","2","7","2","1") = "6"
    & skf21("4","4","3","6","2","7","3","1") = "6"
    & skf21("4","4","3","6","2","7","4","1") = "6"
    & skf21("4","4","3","6","2","7","5","1") = "6"
    & skf21("4","4","3","6","2","7","6","1") = "6"
    & skf21("4","4","3","6","2","7","7","1") = "6"
    & skf21("4","4","3","6","3","1","1","1") = "5"
    & skf21("4","4","3","6","3","1","2","1") = "5"
    & skf21("4","4","3","6","3","1","3","1") = "5"
    & skf21("4","4","3","6","3","1","4","1") = "5"
    & skf21("4","4","3","6","3","1","5","1") = "5"
    & skf21("4","4","3","6","3","1","6","1") = "5"
    & skf21("4","4","3","6","3","1","7","1") = "6"
    & skf21("4","4","3","6","3","2","1","1") = "5"
    & skf21("4","4","3","6","3","2","2","1") = "5"
    & skf21("4","4","3","6","3","2","3","1") = "5"
    & skf21("4","4","3","6","3","2","4","1") = "5"
    & skf21("4","4","3","6","3","2","5","1") = "5"
    & skf21("4","4","3","6","3","2","6","1") = "5"
    & skf21("4","4","3","6","3","2","7","1") = "6"
    & skf21("4","4","3","6","3","3","1","1") = "5"
    & skf21("4","4","3","6","3","3","2","1") = "5"
    & skf21("4","4","3","6","3","3","3","1") = "5"
    & skf21("4","4","3","6","3","3","4","1") = "5"
    & skf21("4","4","3","6","3","3","5","1") = "5"
    & skf21("4","4","3","6","3","3","6","1") = "5"
    & skf21("4","4","3","6","3","3","7","1") = "6"
    & skf21("4","4","3","6","3","4","1","1") = "5"
    & skf21("4","4","3","6","3","4","2","1") = "5"
    & skf21("4","4","3","6","3","4","3","1") = "5"
    & skf21("4","4","3","6","3","4","4","1") = "5"
    & skf21("4","4","3","6","3","4","5","1") = "5"
    & skf21("4","4","3","6","3","4","6","1") = "5"
    & skf21("4","4","3","6","3","4","7","1") = "6"
    & skf21("4","4","3","6","3","5","1","1") = "5"
    & skf21("4","4","3","6","3","5","2","1") = "5"
    & skf21("4","4","3","6","3","5","3","1") = "5"
    & skf21("4","4","3","6","3","5","4","1") = "5"
    & skf21("4","4","3","6","3","5","5","1") = "5"
    & skf21("4","4","3","6","3","5","6","1") = "5"
    & skf21("4","4","3","6","3","5","7","1") = "6"
    & skf21("4","4","3","6","3","6","1","1") = "5"
    & skf21("4","4","3","6","3","6","2","1") = "5"
    & skf21("4","4","3","6","3","6","3","1") = "5"
    & skf21("4","4","3","6","3","6","4","1") = "5"
    & skf21("4","4","3","6","3","6","5","1") = "5"
    & skf21("4","4","3","6","3","6","6","1") = "5"
    & skf21("4","4","3","6","3","6","7","1") = "6"
    & skf21("4","4","3","6","3","7","1","1") = "6"
    & skf21("4","4","3","6","3","7","2","1") = "6"
    & skf21("4","4","3","6","3","7","3","1") = "6"
    & skf21("4","4","3","6","3","7","4","1") = "6"
    & skf21("4","4","3","6","3","7","5","1") = "6"
    & skf21("4","4","3","6","3","7","6","1") = "6"
    & skf21("4","4","3","6","3","7","7","1") = "6"
    & skf21("4","4","3","6","4","1","1","1") = "5"
    & skf21("4","4","3","6","4","1","2","1") = "5"
    & skf21("4","4","3","6","4","1","3","1") = "5"
    & skf21("4","4","3","6","4","1","4","1") = "5"
    & skf21("4","4","3","6","4","1","5","1") = "5"
    & skf21("4","4","3","6","4","1","6","1") = "5"
    & skf21("4","4","3","6","4","1","7","1") = "6"
    & skf21("4","4","3","6","4","2","1","1") = "5"
    & skf21("4","4","3","6","4","2","2","1") = "5"
    & skf21("4","4","3","6","4","2","3","1") = "5"
    & skf21("4","4","3","6","4","2","4","1") = "5"
    & skf21("4","4","3","6","4","2","5","1") = "5"
    & skf21("4","4","3","6","4","2","6","1") = "5"
    & skf21("4","4","3","6","4","2","7","1") = "6"
    & skf21("4","4","3","6","4","3","1","1") = "5"
    & skf21("4","4","3","6","4","3","2","1") = "5"
    & skf21("4","4","3","6","4","3","3","1") = "5"
    & skf21("4","4","3","6","4","3","4","1") = "5"
    & skf21("4","4","3","6","4","3","5","1") = "5"
    & skf21("4","4","3","6","4","3","6","1") = "5"
    & skf21("4","4","3","6","4","3","7","1") = "6"
    & skf21("4","4","3","6","4","4","1","1") = "5"
    & skf21("4","4","3","6","4","4","2","1") = "5"
    & skf21("4","4","3","6","4","4","3","1") = "5"
    & skf21("4","4","3","6","4","4","4","1") = "5"
    & skf21("4","4","3","6","4","4","5","1") = "5"
    & skf21("4","4","3","6","4","4","6","1") = "5"
    & skf21("4","4","3","6","4","4","7","1") = "6"
    & skf21("4","4","3","6","4","5","1","1") = "5"
    & skf21("4","4","3","6","4","5","2","1") = "5"
    & skf21("4","4","3","6","4","5","3","1") = "5"
    & skf21("4","4","3","6","4","5","4","1") = "5"
    & skf21("4","4","3","6","4","5","5","1") = "5"
    & skf21("4","4","3","6","4","5","6","1") = "5"
    & skf21("4","4","3","6","4","5","7","1") = "6"
    & skf21("4","4","3","6","4","6","1","1") = "5"
    & skf21("4","4","3","6","4","6","2","1") = "5"
    & skf21("4","4","3","6","4","6","3","1") = "5"
    & skf21("4","4","3","6","4","6","4","1") = "5"
    & skf21("4","4","3","6","4","6","5","1") = "5"
    & skf21("4","4","3","6","4","6","6","1") = "5"
    & skf21("4","4","3","6","4","6","7","1") = "6"
    & skf21("4","4","3","6","4","7","1","1") = "6"
    & skf21("4","4","3","6","4","7","2","1") = "6"
    & skf21("4","4","3","6","4","7","3","1") = "6"
    & skf21("4","4","3","6","4","7","4","1") = "6"
    & skf21("4","4","3","6","4","7","5","1") = "6"
    & skf21("4","4","3","6","4","7","6","1") = "6"
    & skf21("4","4","3","6","4","7","7","1") = "6"
    & skf21("4","4","3","6","5","1","1","1") = "5"
    & skf21("4","4","3","6","5","1","2","1") = "5"
    & skf21("4","4","3","6","5","1","3","1") = "5"
    & skf21("4","4","3","6","5","1","4","1") = "5"
    & skf21("4","4","3","6","5","1","5","1") = "5"
    & skf21("4","4","3","6","5","1","6","1") = "5"
    & skf21("4","4","3","6","5","1","7","1") = "6"
    & skf21("4","4","3","6","5","2","1","1") = "5"
    & skf21("4","4","3","6","5","2","2","1") = "5"
    & skf21("4","4","3","6","5","2","3","1") = "5"
    & skf21("4","4","3","6","5","2","4","1") = "5"
    & skf21("4","4","3","6","5","2","5","1") = "5"
    & skf21("4","4","3","6","5","2","6","1") = "5"
    & skf21("4","4","3","6","5","2","7","1") = "6"
    & skf21("4","4","3","6","5","3","1","1") = "5"
    & skf21("4","4","3","6","5","3","2","1") = "5"
    & skf21("4","4","3","6","5","3","3","1") = "5"
    & skf21("4","4","3","6","5","3","4","1") = "5"
    & skf21("4","4","3","6","5","3","5","1") = "5"
    & skf21("4","4","3","6","5","3","6","1") = "5"
    & skf21("4","4","3","6","5","3","7","1") = "6"
    & skf21("4","4","3","6","5","4","1","1") = "5"
    & skf21("4","4","3","6","5","4","2","1") = "5"
    & skf21("4","4","3","6","5","4","3","1") = "5"
    & skf21("4","4","3","6","5","4","4","1") = "5"
    & skf21("4","4","3","6","5","4","5","1") = "5"
    & skf21("4","4","3","6","5","4","6","1") = "5"
    & skf21("4","4","3","6","5","4","7","1") = "6"
    & skf21("4","4","3","6","5","5","1","1") = "5"
    & skf21("4","4","3","6","5","5","2","1") = "5"
    & skf21("4","4","3","6","5","5","3","1") = "5"
    & skf21("4","4","3","6","5","5","4","1") = "5"
    & skf21("4","4","3","6","5","5","5","1") = "5"
    & skf21("4","4","3","6","5","5","6","1") = "5"
    & skf21("4","4","3","6","5","5","7","1") = "6"
    & skf21("4","4","3","6","5","6","1","1") = "5"
    & skf21("4","4","3","6","5","6","2","1") = "5"
    & skf21("4","4","3","6","5","6","3","1") = "5"
    & skf21("4","4","3","6","5","6","4","1") = "5"
    & skf21("4","4","3","6","5","6","5","1") = "5"
    & skf21("4","4","3","6","5","6","6","1") = "5"
    & skf21("4","4","3","6","5","6","7","1") = "6"
    & skf21("4","4","3","6","5","7","1","1") = "6"
    & skf21("4","4","3","6","5","7","2","1") = "6"
    & skf21("4","4","3","6","5","7","3","1") = "6"
    & skf21("4","4","3","6","5","7","4","1") = "6"
    & skf21("4","4","3","6","5","7","5","1") = "6"
    & skf21("4","4","3","6","5","7","6","1") = "6"
    & skf21("4","4","3","6","5","7","7","1") = "6"
    & skf21("4","4","3","6","6","1","1","1") = "5"
    & skf21("4","4","3","6","6","1","2","1") = "5"
    & skf21("4","4","3","6","6","1","3","1") = "5"
    & skf21("4","4","3","6","6","1","4","1") = "5"
    & skf21("4","4","3","6","6","1","5","1") = "5"
    & skf21("4","4","3","6","6","1","6","1") = "5"
    & skf21("4","4","3","6","6","1","7","1") = "6"
    & skf21("4","4","3","6","6","2","1","1") = "5"
    & skf21("4","4","3","6","6","2","2","1") = "5"
    & skf21("4","4","3","6","6","2","3","1") = "5"
    & skf21("4","4","3","6","6","2","4","1") = "5"
    & skf21("4","4","3","6","6","2","5","1") = "5"
    & skf21("4","4","3","6","6","2","6","1") = "5"
    & skf21("4","4","3","6","6","2","7","1") = "6"
    & skf21("4","4","3","6","6","3","1","1") = "5"
    & skf21("4","4","3","6","6","3","2","1") = "5"
    & skf21("4","4","3","6","6","3","3","1") = "5"
    & skf21("4","4","3","6","6","3","4","1") = "5"
    & skf21("4","4","3","6","6","3","5","1") = "5"
    & skf21("4","4","3","6","6","3","6","1") = "5"
    & skf21("4","4","3","6","6","3","7","1") = "6"
    & skf21("4","4","3","6","6","4","1","1") = "5"
    & skf21("4","4","3","6","6","4","2","1") = "5"
    & skf21("4","4","3","6","6","4","3","1") = "5"
    & skf21("4","4","3","6","6","4","4","1") = "5"
    & skf21("4","4","3","6","6","4","5","1") = "5"
    & skf21("4","4","3","6","6","4","6","1") = "5"
    & skf21("4","4","3","6","6","4","7","1") = "6"
    & skf21("4","4","3","6","6","5","1","1") = "5"
    & skf21("4","4","3","6","6","5","2","1") = "5"
    & skf21("4","4","3","6","6","5","3","1") = "5"
    & skf21("4","4","3","6","6","5","4","1") = "5"
    & skf21("4","4","3","6","6","5","5","1") = "5"
    & skf21("4","4","3","6","6","5","6","1") = "5"
    & skf21("4","4","3","6","6","5","7","1") = "6"
    & skf21("4","4","3","6","6","6","1","1") = "5"
    & skf21("4","4","3","6","6","6","2","1") = "5"
    & skf21("4","4","3","6","6","6","3","1") = "5"
    & skf21("4","4","3","6","6","6","4","1") = "5"
    & skf21("4","4","3","6","6","6","5","1") = "5"
    & skf21("4","4","3","6","6","6","6","1") = "5"
    & skf21("4","4","3","6","6","6","7","1") = "6"
    & skf21("4","4","3","6","6","7","1","1") = "6"
    & skf21("4","4","3","6","6","7","2","1") = "6"
    & skf21("4","4","3","6","6","7","3","1") = "6"
    & skf21("4","4","3","6","6","7","4","1") = "6"
    & skf21("4","4","3","6","6","7","5","1") = "6"
    & skf21("4","4","3","6","6","7","6","1") = "6"
    & skf21("4","4","3","6","6","7","7","1") = "6"
    & skf21("4","4","3","6","7","1","1","1") = "6"
    & skf21("4","4","3","6","7","1","2","1") = "6"
    & skf21("4","4","3","6","7","1","3","1") = "6"
    & skf21("4","4","3","6","7","1","4","1") = "6"
    & skf21("4","4","3","6","7","1","5","1") = "6"
    & skf21("4","4","3","6","7","1","6","1") = "6"
    & skf21("4","4","3","6","7","1","7","1") = "6"
    & skf21("4","4","3","6","7","2","1","1") = "6"
    & skf21("4","4","3","6","7","2","2","1") = "6"
    & skf21("4","4","3","6","7","2","3","1") = "6"
    & skf21("4","4","3","6","7","2","4","1") = "6"
    & skf21("4","4","3","6","7","2","5","1") = "6"
    & skf21("4","4","3","6","7","2","6","1") = "6"
    & skf21("4","4","3","6","7","2","7","1") = "6"
    & skf21("4","4","3","6","7","3","1","1") = "6"
    & skf21("4","4","3","6","7","3","2","1") = "6"
    & skf21("4","4","3","6","7","3","3","1") = "6"
    & skf21("4","4","3","6","7","3","4","1") = "6"
    & skf21("4","4","3","6","7","3","5","1") = "6"
    & skf21("4","4","3","6","7","3","6","1") = "6"
    & skf21("4","4","3","6","7","3","7","1") = "6"
    & skf21("4","4","3","6","7","4","1","1") = "6"
    & skf21("4","4","3","6","7","4","2","1") = "6"
    & skf21("4","4","3","6","7","4","3","1") = "6"
    & skf21("4","4","3","6","7","4","4","1") = "6"
    & skf21("4","4","3","6","7","4","5","1") = "6"
    & skf21("4","4","3","6","7","4","6","1") = "6"
    & skf21("4","4","3","6","7","4","7","1") = "6"
    & skf21("4","4","3","6","7","5","1","1") = "6"
    & skf21("4","4","3","6","7","5","2","1") = "6"
    & skf21("4","4","3","6","7","5","3","1") = "6"
    & skf21("4","4","3","6","7","5","4","1") = "6"
    & skf21("4","4","3","6","7","5","5","1") = "6"
    & skf21("4","4","3","6","7","5","6","1") = "6"
    & skf21("4","4","3","6","7","5","7","1") = "6"
    & skf21("4","4","3","6","7","6","1","1") = "6"
    & skf21("4","4","3","6","7","6","2","1") = "6"
    & skf21("4","4","3","6","7","6","3","1") = "6"
    & skf21("4","4","3","6","7","6","4","1") = "6"
    & skf21("4","4","3","6","7","6","5","1") = "6"
    & skf21("4","4","3","6","7","6","6","1") = "6"
    & skf21("4","4","3","6","7","6","7","1") = "6"
    & skf21("4","4","3","6","7","7","1","1") = "6"
    & skf21("4","4","3","6","7","7","2","1") = "6"
    & skf21("4","4","3","6","7","7","3","1") = "6"
    & skf21("4","4","3","6","7","7","4","1") = "6"
    & skf21("4","4","3","6","7","7","5","1") = "6"
    & skf21("4","4","3","6","7","7","6","1") = "6"
    & skf21("4","4","3","6","7","7","7","1") = "6"
    & skf21("4","4","3","7","1","1","1","1") = "6"
    & skf21("4","4","3","7","1","1","2","1") = "6"
    & skf21("4","4","3","7","1","1","3","1") = "6"
    & skf21("4","4","3","7","1","1","4","1") = "6"
    & skf21("4","4","3","7","1","1","5","1") = "6"
    & skf21("4","4","3","7","1","1","6","1") = "6"
    & skf21("4","4","3","7","1","1","7","1") = "6"
    & skf21("4","4","3","7","1","2","1","1") = "6"
    & skf21("4","4","3","7","1","2","2","1") = "6"
    & skf21("4","4","3","7","1","2","3","1") = "6"
    & skf21("4","4","3","7","1","2","4","1") = "6"
    & skf21("4","4","3","7","1","2","5","1") = "6"
    & skf21("4","4","3","7","1","2","6","1") = "6"
    & skf21("4","4","3","7","1","2","7","1") = "6"
    & skf21("4","4","3","7","1","3","1","1") = "6"
    & skf21("4","4","3","7","1","3","2","1") = "6"
    & skf21("4","4","3","7","1","3","3","1") = "6"
    & skf21("4","4","3","7","1","3","4","1") = "6"
    & skf21("4","4","3","7","1","3","5","1") = "6"
    & skf21("4","4","3","7","1","3","6","1") = "6"
    & skf21("4","4","3","7","1","3","7","1") = "6"
    & skf21("4","4","3","7","1","4","1","1") = "6"
    & skf21("4","4","3","7","1","4","2","1") = "6"
    & skf21("4","4","3","7","1","4","3","1") = "6"
    & skf21("4","4","3","7","1","4","4","1") = "6"
    & skf21("4","4","3","7","1","4","5","1") = "6"
    & skf21("4","4","3","7","1","4","6","1") = "6"
    & skf21("4","4","3","7","1","4","7","1") = "6"
    & skf21("4","4","3","7","1","5","1","1") = "6"
    & skf21("4","4","3","7","1","5","2","1") = "6"
    & skf21("4","4","3","7","1","5","3","1") = "6"
    & skf21("4","4","3","7","1","5","4","1") = "6"
    & skf21("4","4","3","7","1","5","5","1") = "6"
    & skf21("4","4","3","7","1","5","6","1") = "6"
    & skf21("4","4","3","7","1","5","7","1") = "6"
    & skf21("4","4","3","7","1","6","1","1") = "6"
    & skf21("4","4","3","7","1","6","2","1") = "6"
    & skf21("4","4","3","7","1","6","3","1") = "6"
    & skf21("4","4","3","7","1","6","4","1") = "6"
    & skf21("4","4","3","7","1","6","5","1") = "6"
    & skf21("4","4","3","7","1","6","6","1") = "6"
    & skf21("4","4","3","7","1","6","7","1") = "6"
    & skf21("4","4","3","7","1","7","1","1") = "6"
    & skf21("4","4","3","7","1","7","2","1") = "6"
    & skf21("4","4","3","7","1","7","3","1") = "6"
    & skf21("4","4","3","7","1","7","4","1") = "6"
    & skf21("4","4","3","7","1","7","5","1") = "6"
    & skf21("4","4","3","7","1","7","6","1") = "6"
    & skf21("4","4","3","7","1","7","7","1") = "6"
    & skf21("4","4","3","7","2","1","1","1") = "6"
    & skf21("4","4","3","7","2","1","2","1") = "6"
    & skf21("4","4","3","7","2","1","3","1") = "6"
    & skf21("4","4","3","7","2","1","4","1") = "6"
    & skf21("4","4","3","7","2","1","5","1") = "6"
    & skf21("4","4","3","7","2","1","6","1") = "6"
    & skf21("4","4","3","7","2","1","7","1") = "6"
    & skf21("4","4","3","7","2","2","1","1") = "6"
    & skf21("4","4","3","7","2","2","2","1") = "6"
    & skf21("4","4","3","7","2","2","3","1") = "6"
    & skf21("4","4","3","7","2","2","4","1") = "6"
    & skf21("4","4","3","7","2","2","5","1") = "6"
    & skf21("4","4","3","7","2","2","6","1") = "6"
    & skf21("4","4","3","7","2","2","7","1") = "6"
    & skf21("4","4","3","7","2","3","1","1") = "6"
    & skf21("4","4","3","7","2","3","2","1") = "6"
    & skf21("4","4","3","7","2","3","3","1") = "6"
    & skf21("4","4","3","7","2","3","4","1") = "6"
    & skf21("4","4","3","7","2","3","5","1") = "6"
    & skf21("4","4","3","7","2","3","6","1") = "6"
    & skf21("4","4","3","7","2","3","7","1") = "6"
    & skf21("4","4","3","7","2","4","1","1") = "6"
    & skf21("4","4","3","7","2","4","2","1") = "6"
    & skf21("4","4","3","7","2","4","3","1") = "6"
    & skf21("4","4","3","7","2","4","4","1") = "6"
    & skf21("4","4","3","7","2","4","5","1") = "6"
    & skf21("4","4","3","7","2","4","6","1") = "6"
    & skf21("4","4","3","7","2","4","7","1") = "6"
    & skf21("4","4","3","7","2","5","1","1") = "6"
    & skf21("4","4","3","7","2","5","2","1") = "6"
    & skf21("4","4","3","7","2","5","3","1") = "6"
    & skf21("4","4","3","7","2","5","4","1") = "6"
    & skf21("4","4","3","7","2","5","5","1") = "6"
    & skf21("4","4","3","7","2","5","6","1") = "6"
    & skf21("4","4","3","7","2","5","7","1") = "6"
    & skf21("4","4","3","7","2","6","1","1") = "6"
    & skf21("4","4","3","7","2","6","2","1") = "6"
    & skf21("4","4","3","7","2","6","3","1") = "6"
    & skf21("4","4","3","7","2","6","4","1") = "6"
    & skf21("4","4","3","7","2","6","5","1") = "6"
    & skf21("4","4","3","7","2","6","6","1") = "6"
    & skf21("4","4","3","7","2","6","7","1") = "6"
    & skf21("4","4","3","7","2","7","1","1") = "6"
    & skf21("4","4","3","7","2","7","2","1") = "6"
    & skf21("4","4","3","7","2","7","3","1") = "6"
    & skf21("4","4","3","7","2","7","4","1") = "6"
    & skf21("4","4","3","7","2","7","5","1") = "6"
    & skf21("4","4","3","7","2","7","6","1") = "6"
    & skf21("4","4","3","7","2","7","7","1") = "6"
    & skf21("4","4","3","7","3","1","1","1") = "6"
    & skf21("4","4","3","7","3","1","2","1") = "6"
    & skf21("4","4","3","7","3","1","3","1") = "6"
    & skf21("4","4","3","7","3","1","4","1") = "6"
    & skf21("4","4","3","7","3","1","5","1") = "6"
    & skf21("4","4","3","7","3","1","6","1") = "6"
    & skf21("4","4","3","7","3","1","7","1") = "6"
    & skf21("4","4","3","7","3","2","1","1") = "6"
    & skf21("4","4","3","7","3","2","2","1") = "6"
    & skf21("4","4","3","7","3","2","3","1") = "6"
    & skf21("4","4","3","7","3","2","4","1") = "6"
    & skf21("4","4","3","7","3","2","5","1") = "6"
    & skf21("4","4","3","7","3","2","6","1") = "6"
    & skf21("4","4","3","7","3","2","7","1") = "6"
    & skf21("4","4","3","7","3","3","1","1") = "6"
    & skf21("4","4","3","7","3","3","2","1") = "6"
    & skf21("4","4","3","7","3","3","3","1") = "6"
    & skf21("4","4","3","7","3","3","4","1") = "6"
    & skf21("4","4","3","7","3","3","5","1") = "6"
    & skf21("4","4","3","7","3","3","6","1") = "6"
    & skf21("4","4","3","7","3","3","7","1") = "6"
    & skf21("4","4","3","7","3","4","1","1") = "6"
    & skf21("4","4","3","7","3","4","2","1") = "6"
    & skf21("4","4","3","7","3","4","3","1") = "6"
    & skf21("4","4","3","7","3","4","4","1") = "6"
    & skf21("4","4","3","7","3","4","5","1") = "6"
    & skf21("4","4","3","7","3","4","6","1") = "6"
    & skf21("4","4","3","7","3","4","7","1") = "6"
    & skf21("4","4","3","7","3","5","1","1") = "6"
    & skf21("4","4","3","7","3","5","2","1") = "6"
    & skf21("4","4","3","7","3","5","3","1") = "6"
    & skf21("4","4","3","7","3","5","4","1") = "6"
    & skf21("4","4","3","7","3","5","5","1") = "6"
    & skf21("4","4","3","7","3","5","6","1") = "6"
    & skf21("4","4","3","7","3","5","7","1") = "6"
    & skf21("4","4","3","7","3","6","1","1") = "6"
    & skf21("4","4","3","7","3","6","2","1") = "6"
    & skf21("4","4","3","7","3","6","3","1") = "6"
    & skf21("4","4","3","7","3","6","4","1") = "6"
    & skf21("4","4","3","7","3","6","5","1") = "6"
    & skf21("4","4","3","7","3","6","6","1") = "6"
    & skf21("4","4","3","7","3","6","7","1") = "6"
    & skf21("4","4","3","7","3","7","1","1") = "6"
    & skf21("4","4","3","7","3","7","2","1") = "6"
    & skf21("4","4","3","7","3","7","3","1") = "6"
    & skf21("4","4","3","7","3","7","4","1") = "6"
    & skf21("4","4","3","7","3","7","5","1") = "6"
    & skf21("4","4","3","7","3","7","6","1") = "6"
    & skf21("4","4","3","7","3","7","7","1") = "6"
    & skf21("4","4","3","7","4","1","1","1") = "6"
    & skf21("4","4","3","7","4","1","2","1") = "6"
    & skf21("4","4","3","7","4","1","3","1") = "6"
    & skf21("4","4","3","7","4","1","4","1") = "6"
    & skf21("4","4","3","7","4","1","5","1") = "6"
    & skf21("4","4","3","7","4","1","6","1") = "6"
    & skf21("4","4","3","7","4","1","7","1") = "6"
    & skf21("4","4","3","7","4","2","1","1") = "6"
    & skf21("4","4","3","7","4","2","2","1") = "6"
    & skf21("4","4","3","7","4","2","3","1") = "6"
    & skf21("4","4","3","7","4","2","4","1") = "6"
    & skf21("4","4","3","7","4","2","5","1") = "6"
    & skf21("4","4","3","7","4","2","6","1") = "6"
    & skf21("4","4","3","7","4","2","7","1") = "6"
    & skf21("4","4","3","7","4","3","1","1") = "6"
    & skf21("4","4","3","7","4","3","2","1") = "6"
    & skf21("4","4","3","7","4","3","3","1") = "6"
    & skf21("4","4","3","7","4","3","4","1") = "6"
    & skf21("4","4","3","7","4","3","5","1") = "6"
    & skf21("4","4","3","7","4","3","6","1") = "6"
    & skf21("4","4","3","7","4","3","7","1") = "6"
    & skf21("4","4","3","7","4","4","1","1") = "6"
    & skf21("4","4","3","7","4","4","2","1") = "6"
    & skf21("4","4","3","7","4","4","3","1") = "6"
    & skf21("4","4","3","7","4","4","4","1") = "6"
    & skf21("4","4","3","7","4","4","5","1") = "6"
    & skf21("4","4","3","7","4","4","6","1") = "6"
    & skf21("4","4","3","7","4","4","7","1") = "6"
    & skf21("4","4","3","7","4","5","1","1") = "6"
    & skf21("4","4","3","7","4","5","2","1") = "6"
    & skf21("4","4","3","7","4","5","3","1") = "6"
    & skf21("4","4","3","7","4","5","4","1") = "6"
    & skf21("4","4","3","7","4","5","5","1") = "6"
    & skf21("4","4","3","7","4","5","6","1") = "6"
    & skf21("4","4","3","7","4","5","7","1") = "6"
    & skf21("4","4","3","7","4","6","1","1") = "6"
    & skf21("4","4","3","7","4","6","2","1") = "6"
    & skf21("4","4","3","7","4","6","3","1") = "6"
    & skf21("4","4","3","7","4","6","4","1") = "6"
    & skf21("4","4","3","7","4","6","5","1") = "6"
    & skf21("4","4","3","7","4","6","6","1") = "6"
    & skf21("4","4","3","7","4","6","7","1") = "6"
    & skf21("4","4","3","7","4","7","1","1") = "6"
    & skf21("4","4","3","7","4","7","2","1") = "6"
    & skf21("4","4","3","7","4","7","3","1") = "6"
    & skf21("4","4","3","7","4","7","4","1") = "6"
    & skf21("4","4","3","7","4","7","5","1") = "6"
    & skf21("4","4","3","7","4","7","6","1") = "6"
    & skf21("4","4","3","7","4","7","7","1") = "6"
    & skf21("4","4","3","7","5","1","1","1") = "6"
    & skf21("4","4","3","7","5","1","2","1") = "6"
    & skf21("4","4","3","7","5","1","3","1") = "6"
    & skf21("4","4","3","7","5","1","4","1") = "6"
    & skf21("4","4","3","7","5","1","5","1") = "6"
    & skf21("4","4","3","7","5","1","6","1") = "6"
    & skf21("4","4","3","7","5","1","7","1") = "6"
    & skf21("4","4","3","7","5","2","1","1") = "6"
    & skf21("4","4","3","7","5","2","2","1") = "6"
    & skf21("4","4","3","7","5","2","3","1") = "6"
    & skf21("4","4","3","7","5","2","4","1") = "6"
    & skf21("4","4","3","7","5","2","5","1") = "6"
    & skf21("4","4","3","7","5","2","6","1") = "6"
    & skf21("4","4","3","7","5","2","7","1") = "6"
    & skf21("4","4","3","7","5","3","1","1") = "6"
    & skf21("4","4","3","7","5","3","2","1") = "6"
    & skf21("4","4","3","7","5","3","3","1") = "6"
    & skf21("4","4","3","7","5","3","4","1") = "6"
    & skf21("4","4","3","7","5","3","5","1") = "6"
    & skf21("4","4","3","7","5","3","6","1") = "6"
    & skf21("4","4","3","7","5","3","7","1") = "6"
    & skf21("4","4","3","7","5","4","1","1") = "6"
    & skf21("4","4","3","7","5","4","2","1") = "6"
    & skf21("4","4","3","7","5","4","3","1") = "6"
    & skf21("4","4","3","7","5","4","4","1") = "6"
    & skf21("4","4","3","7","5","4","5","1") = "6"
    & skf21("4","4","3","7","5","4","6","1") = "6"
    & skf21("4","4","3","7","5","4","7","1") = "6"
    & skf21("4","4","3","7","5","5","1","1") = "6"
    & skf21("4","4","3","7","5","5","2","1") = "6"
    & skf21("4","4","3","7","5","5","3","1") = "6"
    & skf21("4","4","3","7","5","5","4","1") = "6"
    & skf21("4","4","3","7","5","5","5","1") = "6"
    & skf21("4","4","3","7","5","5","6","1") = "6"
    & skf21("4","4","3","7","5","5","7","1") = "6"
    & skf21("4","4","3","7","5","6","1","1") = "6"
    & skf21("4","4","3","7","5","6","2","1") = "6"
    & skf21("4","4","3","7","5","6","3","1") = "6"
    & skf21("4","4","3","7","5","6","4","1") = "6"
    & skf21("4","4","3","7","5","6","5","1") = "6"
    & skf21("4","4","3","7","5","6","6","1") = "6"
    & skf21("4","4","3","7","5","6","7","1") = "6"
    & skf21("4","4","3","7","5","7","1","1") = "6"
    & skf21("4","4","3","7","5","7","2","1") = "6"
    & skf21("4","4","3","7","5","7","3","1") = "6"
    & skf21("4","4","3","7","5","7","4","1") = "6"
    & skf21("4","4","3","7","5","7","5","1") = "6"
    & skf21("4","4","3","7","5","7","6","1") = "6"
    & skf21("4","4","3","7","5","7","7","1") = "6"
    & skf21("4","4","3","7","6","1","1","1") = "6"
    & skf21("4","4","3","7","6","1","2","1") = "6"
    & skf21("4","4","3","7","6","1","3","1") = "6"
    & skf21("4","4","3","7","6","1","4","1") = "6"
    & skf21("4","4","3","7","6","1","5","1") = "6"
    & skf21("4","4","3","7","6","1","6","1") = "6"
    & skf21("4","4","3","7","6","1","7","1") = "6"
    & skf21("4","4","3","7","6","2","1","1") = "6"
    & skf21("4","4","3","7","6","2","2","1") = "6"
    & skf21("4","4","3","7","6","2","3","1") = "6"
    & skf21("4","4","3","7","6","2","4","1") = "6"
    & skf21("4","4","3","7","6","2","5","1") = "6"
    & skf21("4","4","3","7","6","2","6","1") = "6"
    & skf21("4","4","3","7","6","2","7","1") = "6"
    & skf21("4","4","3","7","6","3","1","1") = "6"
    & skf21("4","4","3","7","6","3","2","1") = "6"
    & skf21("4","4","3","7","6","3","3","1") = "6"
    & skf21("4","4","3","7","6","3","4","1") = "6"
    & skf21("4","4","3","7","6","3","5","1") = "6"
    & skf21("4","4","3","7","6","3","6","1") = "6"
    & skf21("4","4","3","7","6","3","7","1") = "6"
    & skf21("4","4","3","7","6","4","1","1") = "6"
    & skf21("4","4","3","7","6","4","2","1") = "6"
    & skf21("4","4","3","7","6","4","3","1") = "6"
    & skf21("4","4","3","7","6","4","4","1") = "6"
    & skf21("4","4","3","7","6","4","5","1") = "6"
    & skf21("4","4","3","7","6","4","6","1") = "6"
    & skf21("4","4","3","7","6","4","7","1") = "6"
    & skf21("4","4","3","7","6","5","1","1") = "6"
    & skf21("4","4","3","7","6","5","2","1") = "6"
    & skf21("4","4","3","7","6","5","3","1") = "6"
    & skf21("4","4","3","7","6","5","4","1") = "6"
    & skf21("4","4","3","7","6","5","5","1") = "6"
    & skf21("4","4","3","7","6","5","6","1") = "6"
    & skf21("4","4","3","7","6","5","7","1") = "6"
    & skf21("4","4","3","7","6","6","1","1") = "6"
    & skf21("4","4","3","7","6","6","2","1") = "6"
    & skf21("4","4","3","7","6","6","3","1") = "6"
    & skf21("4","4","3","7","6","6","4","1") = "6"
    & skf21("4","4","3","7","6","6","5","1") = "6"
    & skf21("4","4","3","7","6","6","6","1") = "6"
    & skf21("4","4","3","7","6","6","7","1") = "6"
    & skf21("4","4","3","7","6","7","1","1") = "6"
    & skf21("4","4","3","7","6","7","2","1") = "6"
    & skf21("4","4","3","7","6","7","3","1") = "6"
    & skf21("4","4","3","7","6","7","4","1") = "6"
    & skf21("4","4","3","7","6","7","5","1") = "6"
    & skf21("4","4","3","7","6","7","6","1") = "6"
    & skf21("4","4","3","7","6","7","7","1") = "6"
    & skf21("4","4","3","7","7","1","1","1") = "6"
    & skf21("4","4","3","7","7","1","2","1") = "6"
    & skf21("4","4","3","7","7","1","3","1") = "6"
    & skf21("4","4","3","7","7","1","4","1") = "6"
    & skf21("4","4","3","7","7","1","5","1") = "6"
    & skf21("4","4","3","7","7","1","6","1") = "6"
    & skf21("4","4","3","7","7","1","7","1") = "6"
    & skf21("4","4","3","7","7","2","1","1") = "6"
    & skf21("4","4","3","7","7","2","2","1") = "6"
    & skf21("4","4","3","7","7","2","3","1") = "6"
    & skf21("4","4","3","7","7","2","4","1") = "6"
    & skf21("4","4","3","7","7","2","5","1") = "6"
    & skf21("4","4","3","7","7","2","6","1") = "6"
    & skf21("4","4","3","7","7","2","7","1") = "6"
    & skf21("4","4","3","7","7","3","1","1") = "6"
    & skf21("4","4","3","7","7","3","2","1") = "6"
    & skf21("4","4","3","7","7","3","3","1") = "6"
    & skf21("4","4","3","7","7","3","4","1") = "6"
    & skf21("4","4","3","7","7","3","5","1") = "6"
    & skf21("4","4","3","7","7","3","6","1") = "6"
    & skf21("4","4","3","7","7","3","7","1") = "6"
    & skf21("4","4","3","7","7","4","1","1") = "6"
    & skf21("4","4","3","7","7","4","2","1") = "6"
    & skf21("4","4","3","7","7","4","3","1") = "6"
    & skf21("4","4","3","7","7","4","4","1") = "6"
    & skf21("4","4","3","7","7","4","5","1") = "6"
    & skf21("4","4","3","7","7","4","6","1") = "6"
    & skf21("4","4","3","7","7","4","7","1") = "6"
    & skf21("4","4","3","7","7","5","1","1") = "6"
    & skf21("4","4","3","7","7","5","2","1") = "6"
    & skf21("4","4","3","7","7","5","3","1") = "6"
    & skf21("4","4","3","7","7","5","4","1") = "6"
    & skf21("4","4","3","7","7","5","5","1") = "6"
    & skf21("4","4","3","7","7","5","6","1") = "6"
    & skf21("4","4","3","7","7","5","7","1") = "6"
    & skf21("4","4","3","7","7","6","1","1") = "6"
    & skf21("4","4","3","7","7","6","2","1") = "6"
    & skf21("4","4","3","7","7","6","3","1") = "6"
    & skf21("4","4","3","7","7","6","4","1") = "6"
    & skf21("4","4","3","7","7","6","5","1") = "6"
    & skf21("4","4","3","7","7","6","6","1") = "6"
    & skf21("4","4","3","7","7","6","7","1") = "6"
    & skf21("4","4","3","7","7","7","1","1") = "6"
    & skf21("4","4","3","7","7","7","2","1") = "6"
    & skf21("4","4","3","7","7","7","3","1") = "6"
    & skf21("4","4","3","7","7","7","4","1") = "6"
    & skf21("4","4","3","7","7","7","5","1") = "6"
    & skf21("4","4","3","7","7","7","6","1") = "6"
    & skf21("4","4","3","7","7","7","7","1") = "6"
    & skf21("4","4","4","1","1","1","1","1") = "3"
    & skf21("4","4","4","1","1","1","2","1") = "3"
    & skf21("4","4","4","1","1","1","3","1") = "3"
    & skf21("4","4","4","1","1","1","4","1") = "3"
    & skf21("4","4","4","1","1","1","5","1") = "4"
    & skf21("4","4","4","1","1","1","6","1") = "5"
    & skf21("4","4","4","1","1","1","7","1") = "6"
    & skf21("4","4","4","1","1","2","1","1") = "3"
    & skf21("4","4","4","1","1","2","2","1") = "3"
    & skf21("4","4","4","1","1","2","3","1") = "3"
    & skf21("4","4","4","1","1","2","4","1") = "3"
    & skf21("4","4","4","1","1","2","5","1") = "4"
    & skf21("4","4","4","1","1","2","6","1") = "5"
    & skf21("4","4","4","1","1","2","7","1") = "6"
    & skf21("4","4","4","1","1","3","1","1") = "3"
    & skf21("4","4","4","1","1","3","2","1") = "3"
    & skf21("4","4","4","1","1","3","3","1") = "3"
    & skf21("4","4","4","1","1","3","4","1") = "3"
    & skf21("4","4","4","1","1","3","5","1") = "4"
    & skf21("4","4","4","1","1","3","6","1") = "5"
    & skf21("4","4","4","1","1","3","7","1") = "6"
    & skf21("4","4","4","1","1","4","1","1") = "3"
    & skf21("4","4","4","1","1","4","2","1") = "3"
    & skf21("4","4","4","1","1","4","3","1") = "3"
    & skf21("4","4","4","1","1","4","4","1") = "3"
    & skf21("4","4","4","1","1","4","5","1") = "4"
    & skf21("4","4","4","1","1","4","6","1") = "5"
    & skf21("4","4","4","1","1","4","7","1") = "6"
    & skf21("4","4","4","1","1","5","1","1") = "4"
    & skf21("4","4","4","1","1","5","2","1") = "4"
    & skf21("4","4","4","1","1","5","3","1") = "4"
    & skf21("4","4","4","1","1","5","4","1") = "4"
    & skf21("4","4","4","1","1","5","5","1") = "4"
    & skf21("4","4","4","1","1","5","6","1") = "5"
    & skf21("4","4","4","1","1","5","7","1") = "6"
    & skf21("4","4","4","1","1","6","1","1") = "5"
    & skf21("4","4","4","1","1","6","2","1") = "5"
    & skf21("4","4","4","1","1","6","3","1") = "5"
    & skf21("4","4","4","1","1","6","4","1") = "5"
    & skf21("4","4","4","1","1","6","5","1") = "5"
    & skf21("4","4","4","1","1","6","6","1") = "5"
    & skf21("4","4","4","1","1","6","7","1") = "6"
    & skf21("4","4","4","1","1","7","1","1") = "6"
    & skf21("4","4","4","1","1","7","2","1") = "6"
    & skf21("4","4","4","1","1","7","3","1") = "6"
    & skf21("4","4","4","1","1","7","4","1") = "6"
    & skf21("4","4","4","1","1","7","5","1") = "6"
    & skf21("4","4","4","1","1","7","6","1") = "6"
    & skf21("4","4","4","1","1","7","7","1") = "6"
    & skf21("4","4","4","1","2","1","1","1") = "3"
    & skf21("4","4","4","1","2","1","2","1") = "3"
    & skf21("4","4","4","1","2","1","3","1") = "3"
    & skf21("4","4","4","1","2","1","4","1") = "3"
    & skf21("4","4","4","1","2","1","5","1") = "4"
    & skf21("4","4","4","1","2","1","6","1") = "5"
    & skf21("4","4","4","1","2","1","7","1") = "6"
    & skf21("4","4","4","1","2","2","1","1") = "3"
    & skf21("4","4","4","1","2","2","2","1") = "3"
    & skf21("4","4","4","1","2","2","3","1") = "3"
    & skf21("4","4","4","1","2","2","4","1") = "3"
    & skf21("4","4","4","1","2","2","5","1") = "4"
    & skf21("4","4","4","1","2","2","6","1") = "5"
    & skf21("4","4","4","1","2","2","7","1") = "6"
    & skf21("4","4","4","1","2","3","1","1") = "3"
    & skf21("4","4","4","1","2","3","2","1") = "3"
    & skf21("4","4","4","1","2","3","3","1") = "3"
    & skf21("4","4","4","1","2","3","4","1") = "3"
    & skf21("4","4","4","1","2","3","5","1") = "4"
    & skf21("4","4","4","1","2","3","6","1") = "5"
    & skf21("4","4","4","1","2","3","7","1") = "6"
    & skf21("4","4","4","1","2","4","1","1") = "3"
    & skf21("4","4","4","1","2","4","2","1") = "3"
    & skf21("4","4","4","1","2","4","3","1") = "3"
    & skf21("4","4","4","1","2","4","4","1") = "3"
    & skf21("4","4","4","1","2","4","5","1") = "4"
    & skf21("4","4","4","1","2","4","6","1") = "5"
    & skf21("4","4","4","1","2","4","7","1") = "6"
    & skf21("4","4","4","1","2","5","1","1") = "4"
    & skf21("4","4","4","1","2","5","2","1") = "4"
    & skf21("4","4","4","1","2","5","3","1") = "4"
    & skf21("4","4","4","1","2","5","4","1") = "4"
    & skf21("4","4","4","1","2","5","5","1") = "4"
    & skf21("4","4","4","1","2","5","6","1") = "5"
    & skf21("4","4","4","1","2","5","7","1") = "6"
    & skf21("4","4","4","1","2","6","1","1") = "5"
    & skf21("4","4","4","1","2","6","2","1") = "5"
    & skf21("4","4","4","1","2","6","3","1") = "5"
    & skf21("4","4","4","1","2","6","4","1") = "5"
    & skf21("4","4","4","1","2","6","5","1") = "5"
    & skf21("4","4","4","1","2","6","6","1") = "5"
    & skf21("4","4","4","1","2","6","7","1") = "6"
    & skf21("4","4","4","1","2","7","1","1") = "6"
    & skf21("4","4","4","1","2","7","2","1") = "6"
    & skf21("4","4","4","1","2","7","3","1") = "6"
    & skf21("4","4","4","1","2","7","4","1") = "6"
    & skf21("4","4","4","1","2","7","5","1") = "6"
    & skf21("4","4","4","1","2","7","6","1") = "6"
    & skf21("4","4","4","1","2","7","7","1") = "6"
    & skf21("4","4","4","1","3","1","1","1") = "3"
    & skf21("4","4","4","1","3","1","2","1") = "3"
    & skf21("4","4","4","1","3","1","3","1") = "3"
    & skf21("4","4","4","1","3","1","4","1") = "3"
    & skf21("4","4","4","1","3","1","5","1") = "4"
    & skf21("4","4","4","1","3","1","6","1") = "5"
    & skf21("4","4","4","1","3","1","7","1") = "6"
    & skf21("4","4","4","1","3","2","1","1") = "3"
    & skf21("4","4","4","1","3","2","2","1") = "3"
    & skf21("4","4","4","1","3","2","3","1") = "3"
    & skf21("4","4","4","1","3","2","4","1") = "3"
    & skf21("4","4","4","1","3","2","5","1") = "4"
    & skf21("4","4","4","1","3","2","6","1") = "5"
    & skf21("4","4","4","1","3","2","7","1") = "6"
    & skf21("4","4","4","1","3","3","1","1") = "3"
    & skf21("4","4","4","1","3","3","2","1") = "3"
    & skf21("4","4","4","1","3","3","3","1") = "3"
    & skf21("4","4","4","1","3","3","4","1") = "3"
    & skf21("4","4","4","1","3","3","5","1") = "4"
    & skf21("4","4","4","1","3","3","6","1") = "5"
    & skf21("4","4","4","1","3","3","7","1") = "6"
    & skf21("4","4","4","1","3","4","1","1") = "3"
    & skf21("4","4","4","1","3","4","2","1") = "3"
    & skf21("4","4","4","1","3","4","3","1") = "3"
    & skf21("4","4","4","1","3","4","4","1") = "3"
    & skf21("4","4","4","1","3","4","5","1") = "4"
    & skf21("4","4","4","1","3","4","6","1") = "5"
    & skf21("4","4","4","1","3","4","7","1") = "6"
    & skf21("4","4","4","1","3","5","1","1") = "4"
    & skf21("4","4","4","1","3","5","2","1") = "4"
    & skf21("4","4","4","1","3","5","3","1") = "4"
    & skf21("4","4","4","1","3","5","4","1") = "4"
    & skf21("4","4","4","1","3","5","5","1") = "4"
    & skf21("4","4","4","1","3","5","6","1") = "5"
    & skf21("4","4","4","1","3","5","7","1") = "6"
    & skf21("4","4","4","1","3","6","1","1") = "5"
    & skf21("4","4","4","1","3","6","2","1") = "5"
    & skf21("4","4","4","1","3","6","3","1") = "5"
    & skf21("4","4","4","1","3","6","4","1") = "5"
    & skf21("4","4","4","1","3","6","5","1") = "5"
    & skf21("4","4","4","1","3","6","6","1") = "5"
    & skf21("4","4","4","1","3","6","7","1") = "6"
    & skf21("4","4","4","1","3","7","1","1") = "6"
    & skf21("4","4","4","1","3","7","2","1") = "6"
    & skf21("4","4","4","1","3","7","3","1") = "6"
    & skf21("4","4","4","1","3","7","4","1") = "6"
    & skf21("4","4","4","1","3","7","5","1") = "6"
    & skf21("4","4","4","1","3","7","6","1") = "6"
    & skf21("4","4","4","1","3","7","7","1") = "6"
    & skf21("4","4","4","1","4","1","1","1") = "3"
    & skf21("4","4","4","1","4","1","2","1") = "3"
    & skf21("4","4","4","1","4","1","3","1") = "3"
    & skf21("4","4","4","1","4","1","4","1") = "3"
    & skf21("4","4","4","1","4","1","5","1") = "4"
    & skf21("4","4","4","1","4","1","6","1") = "5"
    & skf21("4","4","4","1","4","1","7","1") = "6"
    & skf21("4","4","4","1","4","2","1","1") = "3"
    & skf21("4","4","4","1","4","2","2","1") = "3"
    & skf21("4","4","4","1","4","2","3","1") = "3"
    & skf21("4","4","4","1","4","2","4","1") = "3"
    & skf21("4","4","4","1","4","2","5","1") = "4"
    & skf21("4","4","4","1","4","2","6","1") = "5"
    & skf21("4","4","4","1","4","2","7","1") = "6"
    & skf21("4","4","4","1","4","3","1","1") = "3"
    & skf21("4","4","4","1","4","3","2","1") = "3"
    & skf21("4","4","4","1","4","3","3","1") = "3"
    & skf21("4","4","4","1","4","3","4","1") = "3"
    & skf21("4","4","4","1","4","3","5","1") = "4"
    & skf21("4","4","4","1","4","3","6","1") = "5"
    & skf21("4","4","4","1","4","3","7","1") = "6"
    & skf21("4","4","4","1","4","4","1","1") = "3"
    & skf21("4","4","4","1","4","4","2","1") = "3"
    & skf21("4","4","4","1","4","4","3","1") = "3"
    & skf21("4","4","4","1","4","4","4","1") = "3"
    & skf21("4","4","4","1","4","4","5","1") = "4"
    & skf21("4","4","4","1","4","4","6","1") = "5"
    & skf21("4","4","4","1","4","4","7","1") = "6"
    & skf21("4","4","4","1","4","5","1","1") = "4"
    & skf21("4","4","4","1","4","5","2","1") = "4"
    & skf21("4","4","4","1","4","5","3","1") = "4"
    & skf21("4","4","4","1","4","5","4","1") = "4"
    & skf21("4","4","4","1","4","5","5","1") = "4"
    & skf21("4","4","4","1","4","5","6","1") = "5"
    & skf21("4","4","4","1","4","5","7","1") = "6"
    & skf21("4","4","4","1","4","6","1","1") = "5"
    & skf21("4","4","4","1","4","6","2","1") = "5"
    & skf21("4","4","4","1","4","6","3","1") = "5"
    & skf21("4","4","4","1","4","6","4","1") = "5"
    & skf21("4","4","4","1","4","6","5","1") = "5"
    & skf21("4","4","4","1","4","6","6","1") = "5"
    & skf21("4","4","4","1","4","6","7","1") = "6"
    & skf21("4","4","4","1","4","7","1","1") = "6"
    & skf21("4","4","4","1","4","7","2","1") = "6"
    & skf21("4","4","4","1","4","7","3","1") = "6"
    & skf21("4","4","4","1","4","7","4","1") = "6"
    & skf21("4","4","4","1","4","7","5","1") = "6"
    & skf21("4","4","4","1","4","7","6","1") = "6"
    & skf21("4","4","4","1","4","7","7","1") = "6"
    & skf21("4","4","4","1","5","1","1","1") = "4"
    & skf21("4","4","4","1","5","1","2","1") = "4"
    & skf21("4","4","4","1","5","1","3","1") = "4"
    & skf21("4","4","4","1","5","1","4","1") = "4"
    & skf21("4","4","4","1","5","1","5","1") = "4"
    & skf21("4","4","4","1","5","1","6","1") = "5"
    & skf21("4","4","4","1","5","1","7","1") = "6"
    & skf21("4","4","4","1","5","2","1","1") = "4"
    & skf21("4","4","4","1","5","2","2","1") = "4"
    & skf21("4","4","4","1","5","2","3","1") = "4"
    & skf21("4","4","4","1","5","2","4","1") = "4"
    & skf21("4","4","4","1","5","2","5","1") = "4"
    & skf21("4","4","4","1","5","2","6","1") = "5"
    & skf21("4","4","4","1","5","2","7","1") = "6"
    & skf21("4","4","4","1","5","3","1","1") = "4"
    & skf21("4","4","4","1","5","3","2","1") = "4"
    & skf21("4","4","4","1","5","3","3","1") = "4"
    & skf21("4","4","4","1","5","3","4","1") = "4"
    & skf21("4","4","4","1","5","3","5","1") = "4"
    & skf21("4","4","4","1","5","3","6","1") = "5"
    & skf21("4","4","4","1","5","3","7","1") = "6"
    & skf21("4","4","4","1","5","4","1","1") = "4"
    & skf21("4","4","4","1","5","4","2","1") = "4"
    & skf21("4","4","4","1","5","4","3","1") = "4"
    & skf21("4","4","4","1","5","4","4","1") = "4"
    & skf21("4","4","4","1","5","4","5","1") = "4"
    & skf21("4","4","4","1","5","4","6","1") = "5"
    & skf21("4","4","4","1","5","4","7","1") = "6"
    & skf21("4","4","4","1","5","5","1","1") = "4"
    & skf21("4","4","4","1","5","5","2","1") = "4"
    & skf21("4","4","4","1","5","5","3","1") = "4"
    & skf21("4","4","4","1","5","5","4","1") = "4"
    & skf21("4","4","4","1","5","5","5","1") = "4"
    & skf21("4","4","4","1","5","5","6","1") = "5"
    & skf21("4","4","4","1","5","5","7","1") = "6"
    & skf21("4","4","4","1","5","6","1","1") = "5"
    & skf21("4","4","4","1","5","6","2","1") = "5"
    & skf21("4","4","4","1","5","6","3","1") = "5"
    & skf21("4","4","4","1","5","6","4","1") = "5"
    & skf21("4","4","4","1","5","6","5","1") = "5"
    & skf21("4","4","4","1","5","6","6","1") = "5"
    & skf21("4","4","4","1","5","6","7","1") = "6"
    & skf21("4","4","4","1","5","7","1","1") = "6"
    & skf21("4","4","4","1","5","7","2","1") = "6"
    & skf21("4","4","4","1","5","7","3","1") = "6"
    & skf21("4","4","4","1","5","7","4","1") = "6"
    & skf21("4","4","4","1","5","7","5","1") = "6"
    & skf21("4","4","4","1","5","7","6","1") = "6"
    & skf21("4","4","4","1","5","7","7","1") = "6"
    & skf21("4","4","4","1","6","1","1","1") = "5"
    & skf21("4","4","4","1","6","1","2","1") = "5"
    & skf21("4","4","4","1","6","1","3","1") = "5"
    & skf21("4","4","4","1","6","1","4","1") = "5"
    & skf21("4","4","4","1","6","1","5","1") = "5"
    & skf21("4","4","4","1","6","1","6","1") = "5"
    & skf21("4","4","4","1","6","1","7","1") = "6"
    & skf21("4","4","4","1","6","2","1","1") = "5"
    & skf21("4","4","4","1","6","2","2","1") = "5"
    & skf21("4","4","4","1","6","2","3","1") = "5"
    & skf21("4","4","4","1","6","2","4","1") = "5"
    & skf21("4","4","4","1","6","2","5","1") = "5"
    & skf21("4","4","4","1","6","2","6","1") = "5"
    & skf21("4","4","4","1","6","2","7","1") = "6"
    & skf21("4","4","4","1","6","3","1","1") = "5"
    & skf21("4","4","4","1","6","3","2","1") = "5"
    & skf21("4","4","4","1","6","3","3","1") = "5"
    & skf21("4","4","4","1","6","3","4","1") = "5"
    & skf21("4","4","4","1","6","3","5","1") = "5"
    & skf21("4","4","4","1","6","3","6","1") = "5"
    & skf21("4","4","4","1","6","3","7","1") = "6"
    & skf21("4","4","4","1","6","4","1","1") = "5"
    & skf21("4","4","4","1","6","4","2","1") = "5"
    & skf21("4","4","4","1","6","4","3","1") = "5"
    & skf21("4","4","4","1","6","4","4","1") = "5"
    & skf21("4","4","4","1","6","4","5","1") = "5"
    & skf21("4","4","4","1","6","4","6","1") = "5"
    & skf21("4","4","4","1","6","4","7","1") = "6"
    & skf21("4","4","4","1","6","5","1","1") = "5"
    & skf21("4","4","4","1","6","5","2","1") = "5"
    & skf21("4","4","4","1","6","5","3","1") = "5"
    & skf21("4","4","4","1","6","5","4","1") = "5"
    & skf21("4","4","4","1","6","5","5","1") = "5"
    & skf21("4","4","4","1","6","5","6","1") = "5"
    & skf21("4","4","4","1","6","5","7","1") = "6"
    & skf21("4","4","4","1","6","6","1","1") = "5"
    & skf21("4","4","4","1","6","6","2","1") = "5"
    & skf21("4","4","4","1","6","6","3","1") = "5"
    & skf21("4","4","4","1","6","6","4","1") = "5"
    & skf21("4","4","4","1","6","6","5","1") = "5"
    & skf21("4","4","4","1","6","6","6","1") = "5"
    & skf21("4","4","4","1","6","6","7","1") = "6"
    & skf21("4","4","4","1","6","7","1","1") = "6"
    & skf21("4","4","4","1","6","7","2","1") = "6"
    & skf21("4","4","4","1","6","7","3","1") = "6"
    & skf21("4","4","4","1","6","7","4","1") = "6"
    & skf21("4","4","4","1","6","7","5","1") = "6"
    & skf21("4","4","4","1","6","7","6","1") = "6"
    & skf21("4","4","4","1","6","7","7","1") = "6"
    & skf21("4","4","4","1","7","1","1","1") = "6"
    & skf21("4","4","4","1","7","1","2","1") = "6"
    & skf21("4","4","4","1","7","1","3","1") = "6"
    & skf21("4","4","4","1","7","1","4","1") = "6"
    & skf21("4","4","4","1","7","1","5","1") = "6"
    & skf21("4","4","4","1","7","1","6","1") = "6"
    & skf21("4","4","4","1","7","1","7","1") = "6"
    & skf21("4","4","4","1","7","2","1","1") = "6"
    & skf21("4","4","4","1","7","2","2","1") = "6"
    & skf21("4","4","4","1","7","2","3","1") = "6"
    & skf21("4","4","4","1","7","2","4","1") = "6"
    & skf21("4","4","4","1","7","2","5","1") = "6"
    & skf21("4","4","4","1","7","2","6","1") = "6"
    & skf21("4","4","4","1","7","2","7","1") = "6"
    & skf21("4","4","4","1","7","3","1","1") = "6"
    & skf21("4","4","4","1","7","3","2","1") = "6"
    & skf21("4","4","4","1","7","3","3","1") = "6"
    & skf21("4","4","4","1","7","3","4","1") = "6"
    & skf21("4","4","4","1","7","3","5","1") = "6"
    & skf21("4","4","4","1","7","3","6","1") = "6"
    & skf21("4","4","4","1","7","3","7","1") = "6"
    & skf21("4","4","4","1","7","4","1","1") = "6"
    & skf21("4","4","4","1","7","4","2","1") = "6"
    & skf21("4","4","4","1","7","4","3","1") = "6"
    & skf21("4","4","4","1","7","4","4","1") = "6"
    & skf21("4","4","4","1","7","4","5","1") = "6"
    & skf21("4","4","4","1","7","4","6","1") = "6"
    & skf21("4","4","4","1","7","4","7","1") = "6"
    & skf21("4","4","4","1","7","5","1","1") = "6"
    & skf21("4","4","4","1","7","5","2","1") = "6"
    & skf21("4","4","4","1","7","5","3","1") = "6"
    & skf21("4","4","4","1","7","5","4","1") = "6"
    & skf21("4","4","4","1","7","5","5","1") = "6"
    & skf21("4","4","4","1","7","5","6","1") = "6"
    & skf21("4","4","4","1","7","5","7","1") = "6"
    & skf21("4","4","4","1","7","6","1","1") = "6"
    & skf21("4","4","4","1","7","6","2","1") = "6"
    & skf21("4","4","4","1","7","6","3","1") = "6"
    & skf21("4","4","4","1","7","6","4","1") = "6"
    & skf21("4","4","4","1","7","6","5","1") = "6"
    & skf21("4","4","4","1","7","6","6","1") = "6"
    & skf21("4","4","4","1","7","6","7","1") = "6"
    & skf21("4","4","4","1","7","7","1","1") = "6"
    & skf21("4","4","4","1","7","7","2","1") = "6"
    & skf21("4","4","4","1","7","7","3","1") = "6"
    & skf21("4","4","4","1","7","7","4","1") = "6"
    & skf21("4","4","4","1","7","7","5","1") = "6"
    & skf21("4","4","4","1","7","7","6","1") = "6"
    & skf21("4","4","4","1","7","7","7","1") = "6"
    & skf21("4","4","4","2","1","1","1","1") = "3"
    & skf21("4","4","4","2","1","1","2","1") = "3"
    & skf21("4","4","4","2","1","1","3","1") = "3"
    & skf21("4","4","4","2","1","1","4","1") = "3"
    & skf21("4","4","4","2","1","1","5","1") = "4"
    & skf21("4","4","4","2","1","1","6","1") = "5"
    & skf21("4","4","4","2","1","1","7","1") = "6"
    & skf21("4","4","4","2","1","2","1","1") = "3"
    & skf21("4","4","4","2","1","2","2","1") = "3"
    & skf21("4","4","4","2","1","2","3","1") = "3"
    & skf21("4","4","4","2","1","2","4","1") = "3"
    & skf21("4","4","4","2","1","2","5","1") = "4"
    & skf21("4","4","4","2","1","2","6","1") = "5"
    & skf21("4","4","4","2","1","2","7","1") = "6"
    & skf21("4","4","4","2","1","3","1","1") = "3"
    & skf21("4","4","4","2","1","3","2","1") = "3"
    & skf21("4","4","4","2","1","3","3","1") = "3"
    & skf21("4","4","4","2","1","3","4","1") = "3"
    & skf21("4","4","4","2","1","3","5","1") = "4"
    & skf21("4","4","4","2","1","3","6","1") = "5"
    & skf21("4","4","4","2","1","3","7","1") = "6"
    & skf21("4","4","4","2","1","4","1","1") = "3"
    & skf21("4","4","4","2","1","4","2","1") = "3"
    & skf21("4","4","4","2","1","4","3","1") = "3"
    & skf21("4","4","4","2","1","4","4","1") = "3"
    & skf21("4","4","4","2","1","4","5","1") = "4"
    & skf21("4","4","4","2","1","4","6","1") = "5"
    & skf21("4","4","4","2","1","4","7","1") = "6"
    & skf21("4","4","4","2","1","5","1","1") = "4"
    & skf21("4","4","4","2","1","5","2","1") = "4"
    & skf21("4","4","4","2","1","5","3","1") = "4"
    & skf21("4","4","4","2","1","5","4","1") = "4"
    & skf21("4","4","4","2","1","5","5","1") = "4"
    & skf21("4","4","4","2","1","5","6","1") = "5"
    & skf21("4","4","4","2","1","5","7","1") = "6"
    & skf21("4","4","4","2","1","6","1","1") = "5"
    & skf21("4","4","4","2","1","6","2","1") = "5"
    & skf21("4","4","4","2","1","6","3","1") = "5"
    & skf21("4","4","4","2","1","6","4","1") = "5"
    & skf21("4","4","4","2","1","6","5","1") = "5"
    & skf21("4","4","4","2","1","6","6","1") = "5"
    & skf21("4","4","4","2","1","6","7","1") = "6"
    & skf21("4","4","4","2","1","7","1","1") = "6"
    & skf21("4","4","4","2","1","7","2","1") = "6"
    & skf21("4","4","4","2","1","7","3","1") = "6"
    & skf21("4","4","4","2","1","7","4","1") = "6"
    & skf21("4","4","4","2","1","7","5","1") = "6"
    & skf21("4","4","4","2","1","7","6","1") = "6"
    & skf21("4","4","4","2","1","7","7","1") = "6"
    & skf21("4","4","4","2","2","1","1","1") = "3"
    & skf21("4","4","4","2","2","1","2","1") = "3"
    & skf21("4","4","4","2","2","1","3","1") = "3"
    & skf21("4","4","4","2","2","1","4","1") = "3"
    & skf21("4","4","4","2","2","1","5","1") = "4"
    & skf21("4","4","4","2","2","1","6","1") = "5"
    & skf21("4","4","4","2","2","1","7","1") = "6"
    & skf21("4","4","4","2","2","2","1","1") = "3"
    & skf21("4","4","4","2","2","2","2","1") = "3"
    & skf21("4","4","4","2","2","2","3","1") = "2"
    & skf21("4","4","4","2","2","2","4","1") = "3"
    & skf21("4","4","4","2","2","2","5","1") = "4"
    & skf21("4","4","4","2","2","2","6","1") = "5"
    & skf21("4","4","4","2","2","2","7","1") = "6"
    & skf21("4","4","4","2","2","3","1","1") = "3"
    & skf21("4","4","4","2","2","3","2","1") = "3"
    & skf21("4","4","4","2","2","3","3","1") = "3"
    & skf21("4","4","4","2","2","3","4","1") = "3"
    & skf21("4","4","4","2","2","3","5","1") = "4"
    & skf21("4","4","4","2","2","3","6","1") = "5"
    & skf21("4","4","4","2","2","3","7","1") = "6"
    & skf21("4","4","4","2","2","4","1","1") = "3"
    & skf21("4","4","4","2","2","4","2","1") = "3"
    & skf21("4","4","4","2","2","4","3","1") = "3"
    & skf21("4","4","4","2","2","4","4","1") = "3"
    & skf21("4","4","4","2","2","4","5","1") = "4"
    & skf21("4","4","4","2","2","4","6","1") = "5"
    & skf21("4","4","4","2","2","4","7","1") = "6"
    & skf21("4","4","4","2","2","5","1","1") = "4"
    & skf21("4","4","4","2","2","5","2","1") = "4"
    & skf21("4","4","4","2","2","5","3","1") = "4"
    & skf21("4","4","4","2","2","5","4","1") = "4"
    & skf21("4","4","4","2","2","5","5","1") = "4"
    & skf21("4","4","4","2","2","5","6","1") = "5"
    & skf21("4","4","4","2","2","5","7","1") = "6"
    & skf21("4","4","4","2","2","6","1","1") = "5"
    & skf21("4","4","4","2","2","6","2","1") = "5"
    & skf21("4","4","4","2","2","6","3","1") = "5"
    & skf21("4","4","4","2","2","6","4","1") = "5"
    & skf21("4","4","4","2","2","6","5","1") = "5"
    & skf21("4","4","4","2","2","6","6","1") = "5"
    & skf21("4","4","4","2","2","6","7","1") = "6"
    & skf21("4","4","4","2","2","7","1","1") = "6"
    & skf21("4","4","4","2","2","7","2","1") = "6"
    & skf21("4","4","4","2","2","7","3","1") = "6"
    & skf21("4","4","4","2","2","7","4","1") = "6"
    & skf21("4","4","4","2","2","7","5","1") = "6"
    & skf21("4","4","4","2","2","7","6","1") = "6"
    & skf21("4","4","4","2","2","7","7","1") = "6"
    & skf21("4","4","4","2","3","1","1","1") = "3"
    & skf21("4","4","4","2","3","1","2","1") = "3"
    & skf21("4","4","4","2","3","1","3","1") = "3"
    & skf21("4","4","4","2","3","1","4","1") = "3"
    & skf21("4","4","4","2","3","1","5","1") = "4"
    & skf21("4","4","4","2","3","1","6","1") = "5"
    & skf21("4","4","4","2","3","1","7","1") = "6"
    & skf21("4","4","4","2","3","2","1","1") = "3"
    & skf21("4","4","4","2","3","2","2","1") = "3"
    & skf21("4","4","4","2","3","2","3","1") = "3"
    & skf21("4","4","4","2","3","2","4","1") = "3"
    & skf21("4","4","4","2","3","2","5","1") = "4"
    & skf21("4","4","4","2","3","2","6","1") = "5"
    & skf21("4","4","4","2","3","2","7","1") = "6"
    & skf21("4","4","4","2","3","3","1","1") = "3"
    & skf21("4","4","4","2","3","3","2","1") = "3"
    & skf21("4","4","4","2","3","3","3","1") = "3"
    & skf21("4","4","4","2","3","3","4","1") = "3"
    & skf21("4","4","4","2","3","3","5","1") = "4"
    & skf21("4","4","4","2","3","3","6","1") = "5"
    & skf21("4","4","4","2","3","3","7","1") = "6"
    & skf21("4","4","4","2","3","4","1","1") = "3"
    & skf21("4","4","4","2","3","4","2","1") = "3"
    & skf21("4","4","4","2","3","4","3","1") = "3"
    & skf21("4","4","4","2","3","4","4","1") = "3"
    & skf21("4","4","4","2","3","4","5","1") = "4"
    & skf21("4","4","4","2","3","4","6","1") = "5"
    & skf21("4","4","4","2","3","4","7","1") = "6"
    & skf21("4","4","4","2","3","5","1","1") = "4"
    & skf21("4","4","4","2","3","5","2","1") = "4"
    & skf21("4","4","4","2","3","5","3","1") = "4"
    & skf21("4","4","4","2","3","5","4","1") = "4"
    & skf21("4","4","4","2","3","5","5","1") = "4"
    & skf21("4","4","4","2","3","5","6","1") = "5"
    & skf21("4","4","4","2","3","5","7","1") = "6"
    & skf21("4","4","4","2","3","6","1","1") = "5"
    & skf21("4","4","4","2","3","6","2","1") = "5"
    & skf21("4","4","4","2","3","6","3","1") = "5"
    & skf21("4","4","4","2","3","6","4","1") = "5"
    & skf21("4","4","4","2","3","6","5","1") = "5"
    & skf21("4","4","4","2","3","6","6","1") = "5"
    & skf21("4","4","4","2","3","6","7","1") = "6"
    & skf21("4","4","4","2","3","7","1","1") = "6"
    & skf21("4","4","4","2","3","7","2","1") = "6"
    & skf21("4","4","4","2","3","7","3","1") = "6"
    & skf21("4","4","4","2","3","7","4","1") = "6"
    & skf21("4","4","4","2","3","7","5","1") = "6"
    & skf21("4","4","4","2","3","7","6","1") = "6"
    & skf21("4","4","4","2","3","7","7","1") = "6"
    & skf21("4","4","4","2","4","1","1","1") = "3"
    & skf21("4","4","4","2","4","1","2","1") = "3"
    & skf21("4","4","4","2","4","1","3","1") = "3"
    & skf21("4","4","4","2","4","1","4","1") = "3"
    & skf21("4","4","4","2","4","1","5","1") = "4"
    & skf21("4","4","4","2","4","1","6","1") = "5"
    & skf21("4","4","4","2","4","1","7","1") = "6"
    & skf21("4","4","4","2","4","2","1","1") = "3"
    & skf21("4","4","4","2","4","2","2","1") = "3"
    & skf21("4","4","4","2","4","2","3","1") = "3"
    & skf21("4","4","4","2","4","2","4","1") = "3"
    & skf21("4","4","4","2","4","2","5","1") = "4"
    & skf21("4","4","4","2","4","2","6","1") = "5"
    & skf21("4","4","4","2","4","2","7","1") = "6"
    & skf21("4","4","4","2","4","3","1","1") = "3"
    & skf21("4","4","4","2","4","3","2","1") = "3"
    & skf21("4","4","4","2","4","3","3","1") = "3"
    & skf21("4","4","4","2","4","3","4","1") = "3"
    & skf21("4","4","4","2","4","3","5","1") = "4"
    & skf21("4","4","4","2","4","3","6","1") = "5"
    & skf21("4","4","4","2","4","3","7","1") = "6"
    & skf21("4","4","4","2","4","4","1","1") = "3"
    & skf21("4","4","4","2","4","4","2","1") = "3"
    & skf21("4","4","4","2","4","4","3","1") = "3"
    & skf21("4","4","4","2","4","4","4","1") = "3"
    & skf21("4","4","4","2","4","4","5","1") = "4"
    & skf21("4","4","4","2","4","4","6","1") = "5"
    & skf21("4","4","4","2","4","4","7","1") = "6"
    & skf21("4","4","4","2","4","5","1","1") = "4"
    & skf21("4","4","4","2","4","5","2","1") = "4"
    & skf21("4","4","4","2","4","5","3","1") = "4"
    & skf21("4","4","4","2","4","5","4","1") = "4"
    & skf21("4","4","4","2","4","5","5","1") = "4"
    & skf21("4","4","4","2","4","5","6","1") = "5"
    & skf21("4","4","4","2","4","5","7","1") = "6"
    & skf21("4","4","4","2","4","6","1","1") = "5"
    & skf21("4","4","4","2","4","6","2","1") = "5"
    & skf21("4","4","4","2","4","6","3","1") = "5"
    & skf21("4","4","4","2","4","6","4","1") = "5"
    & skf21("4","4","4","2","4","6","5","1") = "5"
    & skf21("4","4","4","2","4","6","6","1") = "5"
    & skf21("4","4","4","2","4","6","7","1") = "6"
    & skf21("4","4","4","2","4","7","1","1") = "6"
    & skf21("4","4","4","2","4","7","2","1") = "6"
    & skf21("4","4","4","2","4","7","3","1") = "6"
    & skf21("4","4","4","2","4","7","4","1") = "6"
    & skf21("4","4","4","2","4","7","5","1") = "6"
    & skf21("4","4","4","2","4","7","6","1") = "6"
    & skf21("4","4","4","2","4","7","7","1") = "6"
    & skf21("4","4","4","2","5","1","1","1") = "4"
    & skf21("4","4","4","2","5","1","2","1") = "4"
    & skf21("4","4","4","2","5","1","3","1") = "4"
    & skf21("4","4","4","2","5","1","4","1") = "4"
    & skf21("4","4","4","2","5","1","5","1") = "4"
    & skf21("4","4","4","2","5","1","6","1") = "5"
    & skf21("4","4","4","2","5","1","7","1") = "6"
    & skf21("4","4","4","2","5","2","1","1") = "4"
    & skf21("4","4","4","2","5","2","2","1") = "4"
    & skf21("4","4","4","2","5","2","3","1") = "4"
    & skf21("4","4","4","2","5","2","4","1") = "4"
    & skf21("4","4","4","2","5","2","5","1") = "4"
    & skf21("4","4","4","2","5","2","6","1") = "5"
    & skf21("4","4","4","2","5","2","7","1") = "6"
    & skf21("4","4","4","2","5","3","1","1") = "4"
    & skf21("4","4","4","2","5","3","2","1") = "4"
    & skf21("4","4","4","2","5","3","3","1") = "4"
    & skf21("4","4","4","2","5","3","4","1") = "4"
    & skf21("4","4","4","2","5","3","5","1") = "4"
    & skf21("4","4","4","2","5","3","6","1") = "5"
    & skf21("4","4","4","2","5","3","7","1") = "6"
    & skf21("4","4","4","2","5","4","1","1") = "4"
    & skf21("4","4","4","2","5","4","2","1") = "4"
    & skf21("4","4","4","2","5","4","3","1") = "4"
    & skf21("4","4","4","2","5","4","4","1") = "4"
    & skf21("4","4","4","2","5","4","5","1") = "4"
    & skf21("4","4","4","2","5","4","6","1") = "5"
    & skf21("4","4","4","2","5","4","7","1") = "6"
    & skf21("4","4","4","2","5","5","1","1") = "4"
    & skf21("4","4","4","2","5","5","2","1") = "4"
    & skf21("4","4","4","2","5","5","3","1") = "4"
    & skf21("4","4","4","2","5","5","4","1") = "4"
    & skf21("4","4","4","2","5","5","5","1") = "4"
    & skf21("4","4","4","2","5","5","6","1") = "5"
    & skf21("4","4","4","2","5","5","7","1") = "6"
    & skf21("4","4","4","2","5","6","1","1") = "5"
    & skf21("4","4","4","2","5","6","2","1") = "5"
    & skf21("4","4","4","2","5","6","3","1") = "5"
    & skf21("4","4","4","2","5","6","4","1") = "5"
    & skf21("4","4","4","2","5","6","5","1") = "5"
    & skf21("4","4","4","2","5","6","6","1") = "5"
    & skf21("4","4","4","2","5","6","7","1") = "6"
    & skf21("4","4","4","2","5","7","1","1") = "6"
    & skf21("4","4","4","2","5","7","2","1") = "6"
    & skf21("4","4","4","2","5","7","3","1") = "6"
    & skf21("4","4","4","2","5","7","4","1") = "6"
    & skf21("4","4","4","2","5","7","5","1") = "6"
    & skf21("4","4","4","2","5","7","6","1") = "6"
    & skf21("4","4","4","2","5","7","7","1") = "6"
    & skf21("4","4","4","2","6","1","1","1") = "5"
    & skf21("4","4","4","2","6","1","2","1") = "5"
    & skf21("4","4","4","2","6","1","3","1") = "5"
    & skf21("4","4","4","2","6","1","4","1") = "5"
    & skf21("4","4","4","2","6","1","5","1") = "5"
    & skf21("4","4","4","2","6","1","6","1") = "5"
    & skf21("4","4","4","2","6","1","7","1") = "6"
    & skf21("4","4","4","2","6","2","1","1") = "5"
    & skf21("4","4","4","2","6","2","2","1") = "5"
    & skf21("4","4","4","2","6","2","3","1") = "5"
    & skf21("4","4","4","2","6","2","4","1") = "5"
    & skf21("4","4","4","2","6","2","5","1") = "5"
    & skf21("4","4","4","2","6","2","6","1") = "5"
    & skf21("4","4","4","2","6","2","7","1") = "6"
    & skf21("4","4","4","2","6","3","1","1") = "5"
    & skf21("4","4","4","2","6","3","2","1") = "5"
    & skf21("4","4","4","2","6","3","3","1") = "5"
    & skf21("4","4","4","2","6","3","4","1") = "5"
    & skf21("4","4","4","2","6","3","5","1") = "5"
    & skf21("4","4","4","2","6","3","6","1") = "5"
    & skf21("4","4","4","2","6","3","7","1") = "6"
    & skf21("4","4","4","2","6","4","1","1") = "5"
    & skf21("4","4","4","2","6","4","2","1") = "5"
    & skf21("4","4","4","2","6","4","3","1") = "5"
    & skf21("4","4","4","2","6","4","4","1") = "5"
    & skf21("4","4","4","2","6","4","5","1") = "5"
    & skf21("4","4","4","2","6","4","6","1") = "5"
    & skf21("4","4","4","2","6","4","7","1") = "6"
    & skf21("4","4","4","2","6","5","1","1") = "5"
    & skf21("4","4","4","2","6","5","2","1") = "5"
    & skf21("4","4","4","2","6","5","3","1") = "5"
    & skf21("4","4","4","2","6","5","4","1") = "5"
    & skf21("4","4","4","2","6","5","5","1") = "5"
    & skf21("4","4","4","2","6","5","6","1") = "5"
    & skf21("4","4","4","2","6","5","7","1") = "6"
    & skf21("4","4","4","2","6","6","1","1") = "5"
    & skf21("4","4","4","2","6","6","2","1") = "5"
    & skf21("4","4","4","2","6","6","3","1") = "5"
    & skf21("4","4","4","2","6","6","4","1") = "5"
    & skf21("4","4","4","2","6","6","5","1") = "5"
    & skf21("4","4","4","2","6","6","6","1") = "5"
    & skf21("4","4","4","2","6","6","7","1") = "6"
    & skf21("4","4","4","2","6","7","1","1") = "6"
    & skf21("4","4","4","2","6","7","2","1") = "6"
    & skf21("4","4","4","2","6","7","3","1") = "6"
    & skf21("4","4","4","2","6","7","4","1") = "6"
    & skf21("4","4","4","2","6","7","5","1") = "6"
    & skf21("4","4","4","2","6","7","6","1") = "6"
    & skf21("4","4","4","2","6","7","7","1") = "6"
    & skf21("4","4","4","2","7","1","1","1") = "6"
    & skf21("4","4","4","2","7","1","2","1") = "6"
    & skf21("4","4","4","2","7","1","3","1") = "6"
    & skf21("4","4","4","2","7","1","4","1") = "6"
    & skf21("4","4","4","2","7","1","5","1") = "6"
    & skf21("4","4","4","2","7","1","6","1") = "6"
    & skf21("4","4","4","2","7","1","7","1") = "6"
    & skf21("4","4","4","2","7","2","1","1") = "6"
    & skf21("4","4","4","2","7","2","2","1") = "6"
    & skf21("4","4","4","2","7","2","3","1") = "6"
    & skf21("4","4","4","2","7","2","4","1") = "6"
    & skf21("4","4","4","2","7","2","5","1") = "6"
    & skf21("4","4","4","2","7","2","6","1") = "6"
    & skf21("4","4","4","2","7","2","7","1") = "6"
    & skf21("4","4","4","2","7","3","1","1") = "6"
    & skf21("4","4","4","2","7","3","2","1") = "6"
    & skf21("4","4","4","2","7","3","3","1") = "6"
    & skf21("4","4","4","2","7","3","4","1") = "6"
    & skf21("4","4","4","2","7","3","5","1") = "6"
    & skf21("4","4","4","2","7","3","6","1") = "6"
    & skf21("4","4","4","2","7","3","7","1") = "6"
    & skf21("4","4","4","2","7","4","1","1") = "6"
    & skf21("4","4","4","2","7","4","2","1") = "6"
    & skf21("4","4","4","2","7","4","3","1") = "6"
    & skf21("4","4","4","2","7","4","4","1") = "6"
    & skf21("4","4","4","2","7","4","5","1") = "6"
    & skf21("4","4","4","2","7","4","6","1") = "6"
    & skf21("4","4","4","2","7","4","7","1") = "6"
    & skf21("4","4","4","2","7","5","1","1") = "6"
    & skf21("4","4","4","2","7","5","2","1") = "6"
    & skf21("4","4","4","2","7","5","3","1") = "6"
    & skf21("4","4","4","2","7","5","4","1") = "6"
    & skf21("4","4","4","2","7","5","5","1") = "6"
    & skf21("4","4","4","2","7","5","6","1") = "6"
    & skf21("4","4","4","2","7","5","7","1") = "6"
    & skf21("4","4","4","2","7","6","1","1") = "6"
    & skf21("4","4","4","2","7","6","2","1") = "6"
    & skf21("4","4","4","2","7","6","3","1") = "6"
    & skf21("4","4","4","2","7","6","4","1") = "6"
    & skf21("4","4","4","2","7","6","5","1") = "6"
    & skf21("4","4","4","2","7","6","6","1") = "6"
    & skf21("4","4","4","2","7","6","7","1") = "6"
    & skf21("4","4","4","2","7","7","1","1") = "6"
    & skf21("4","4","4","2","7","7","2","1") = "6"
    & skf21("4","4","4","2","7","7","3","1") = "6"
    & skf21("4","4","4","2","7","7","4","1") = "6"
    & skf21("4","4","4","2","7","7","5","1") = "6"
    & skf21("4","4","4","2","7","7","6","1") = "6"
    & skf21("4","4","4","2","7","7","7","1") = "6"
    & skf21("4","4","4","3","1","1","1","1") = "3"
    & skf21("4","4","4","3","1","1","2","1") = "3"
    & skf21("4","4","4","3","1","1","3","1") = "3"
    & skf21("4","4","4","3","1","1","4","1") = "3"
    & skf21("4","4","4","3","1","1","5","1") = "4"
    & skf21("4","4","4","3","1","1","6","1") = "5"
    & skf21("4","4","4","3","1","1","7","1") = "6"
    & skf21("4","4","4","3","1","2","1","1") = "3"
    & skf21("4","4","4","3","1","2","2","1") = "3"
    & skf21("4","4","4","3","1","2","3","1") = "3"
    & skf21("4","4","4","3","1","2","4","1") = "3"
    & skf21("4","4","4","3","1","2","5","1") = "4"
    & skf21("4","4","4","3","1","2","6","1") = "5"
    & skf21("4","4","4","3","1","2","7","1") = "6"
    & skf21("4","4","4","3","1","3","1","1") = "3"
    & skf21("4","4","4","3","1","3","2","1") = "3"
    & skf21("4","4","4","3","1","3","3","1") = "3"
    & skf21("4","4","4","3","1","3","4","1") = "3"
    & skf21("4","4","4","3","1","3","5","1") = "4"
    & skf21("4","4","4","3","1","3","6","1") = "5"
    & skf21("4","4","4","3","1","3","7","1") = "6"
    & skf21("4","4","4","3","1","4","1","1") = "3"
    & skf21("4","4","4","3","1","4","2","1") = "3"
    & skf21("4","4","4","3","1","4","3","1") = "3"
    & skf21("4","4","4","3","1","4","4","1") = "3"
    & skf21("4","4","4","3","1","4","5","1") = "4"
    & skf21("4","4","4","3","1","4","6","1") = "5"
    & skf21("4","4","4","3","1","4","7","1") = "6"
    & skf21("4","4","4","3","1","5","1","1") = "4"
    & skf21("4","4","4","3","1","5","2","1") = "4"
    & skf21("4","4","4","3","1","5","3","1") = "4"
    & skf21("4","4","4","3","1","5","4","1") = "4"
    & skf21("4","4","4","3","1","5","5","1") = "4"
    & skf21("4","4","4","3","1","5","6","1") = "5"
    & skf21("4","4","4","3","1","5","7","1") = "6"
    & skf21("4","4","4","3","1","6","1","1") = "5"
    & skf21("4","4","4","3","1","6","2","1") = "5"
    & skf21("4","4","4","3","1","6","3","1") = "5"
    & skf21("4","4","4","3","1","6","4","1") = "5"
    & skf21("4","4","4","3","1","6","5","1") = "5"
    & skf21("4","4","4","3","1","6","6","1") = "5"
    & skf21("4","4","4","3","1","6","7","1") = "6"
    & skf21("4","4","4","3","1","7","1","1") = "6"
    & skf21("4","4","4","3","1","7","2","1") = "6"
    & skf21("4","4","4","3","1","7","3","1") = "6"
    & skf21("4","4","4","3","1","7","4","1") = "6"
    & skf21("4","4","4","3","1","7","5","1") = "6"
    & skf21("4","4","4","3","1","7","6","1") = "6"
    & skf21("4","4","4","3","1","7","7","1") = "6"
    & skf21("4","4","4","3","2","1","1","1") = "3"
    & skf21("4","4","4","3","2","1","2","1") = "3"
    & skf21("4","4","4","3","2","1","3","1") = "3"
    & skf21("4","4","4","3","2","1","4","1") = "3"
    & skf21("4","4","4","3","2","1","5","1") = "4"
    & skf21("4","4","4","3","2","1","6","1") = "5"
    & skf21("4","4","4","3","2","1","7","1") = "6"
    & skf21("4","4","4","3","2","2","1","1") = "3"
    & skf21("4","4","4","3","2","2","2","1") = "3"
    & skf21("4","4","4","3","2","2","3","1") = "3"
    & skf21("4","4","4","3","2","2","4","1") = "3"
    & skf21("4","4","4","3","2","2","5","1") = "4"
    & skf21("4","4","4","3","2","2","6","1") = "5"
    & skf21("4","4","4","3","2","2","7","1") = "6"
    & skf21("4","4","4","3","2","3","1","1") = "3"
    & skf21("4","4","4","3","2","3","2","1") = "3"
    & skf21("4","4","4","3","2","3","3","1") = "3"
    & skf21("4","4","4","3","2","3","4","1") = "3"
    & skf21("4","4","4","3","2","3","5","1") = "4"
    & skf21("4","4","4","3","2","3","6","1") = "5"
    & skf21("4","4","4","3","2","3","7","1") = "6"
    & skf21("4","4","4","3","2","4","1","1") = "3"
    & skf21("4","4","4","3","2","4","2","1") = "3"
    & skf21("4","4","4","3","2","4","3","1") = "3"
    & skf21("4","4","4","3","2","4","4","1") = "3"
    & skf21("4","4","4","3","2","4","5","1") = "4"
    & skf21("4","4","4","3","2","4","6","1") = "5"
    & skf21("4","4","4","3","2","4","7","1") = "6"
    & skf21("4","4","4","3","2","5","1","1") = "4"
    & skf21("4","4","4","3","2","5","2","1") = "4"
    & skf21("4","4","4","3","2","5","3","1") = "4"
    & skf21("4","4","4","3","2","5","4","1") = "4"
    & skf21("4","4","4","3","2","5","5","1") = "4"
    & skf21("4","4","4","3","2","5","6","1") = "5"
    & skf21("4","4","4","3","2","5","7","1") = "6"
    & skf21("4","4","4","3","2","6","1","1") = "5"
    & skf21("4","4","4","3","2","6","2","1") = "5"
    & skf21("4","4","4","3","2","6","3","1") = "5"
    & skf21("4","4","4","3","2","6","4","1") = "5"
    & skf21("4","4","4","3","2","6","5","1") = "5"
    & skf21("4","4","4","3","2","6","6","1") = "5"
    & skf21("4","4","4","3","2","6","7","1") = "6"
    & skf21("4","4","4","3","2","7","1","1") = "6"
    & skf21("4","4","4","3","2","7","2","1") = "6"
    & skf21("4","4","4","3","2","7","3","1") = "6"
    & skf21("4","4","4","3","2","7","4","1") = "6"
    & skf21("4","4","4","3","2","7","5","1") = "6"
    & skf21("4","4","4","3","2","7","6","1") = "6"
    & skf21("4","4","4","3","2","7","7","1") = "6"
    & skf21("4","4","4","3","3","1","1","1") = "3"
    & skf21("4","4","4","3","3","1","2","1") = "3"
    & skf21("4","4","4","3","3","1","3","1") = "3"
    & skf21("4","4","4","3","3","1","4","1") = "3"
    & skf21("4","4","4","3","3","1","5","1") = "4"
    & skf21("4","4","4","3","3","1","6","1") = "5"
    & skf21("4","4","4","3","3","1","7","1") = "6"
    & skf21("4","4","4","3","3","2","1","1") = "3"
    & skf21("4","4","4","3","3","2","2","1") = "3"
    & skf21("4","4","4","3","3","2","3","1") = "3"
    & skf21("4","4","4","3","3","2","4","1") = "3"
    & skf21("4","4","4","3","3","2","5","1") = "4"
    & skf21("4","4","4","3","3","2","6","1") = "5"
    & skf21("4","4","4","3","3","2","7","1") = "6"
    & skf21("4","4","4","3","3","3","1","1") = "3"
    & skf21("4","4","4","3","3","3","2","1") = "3"
    & skf21("4","4","4","3","3","3","3","1") = "3"
    & skf21("4","4","4","3","3","3","4","1") = "3"
    & skf21("4","4","4","3","3","3","5","1") = "4"
    & skf21("4","4","4","3","3","3","6","1") = "5"
    & skf21("4","4","4","3","3","3","7","1") = "6"
    & skf21("4","4","4","3","3","4","1","1") = "3"
    & skf21("4","4","4","3","3","4","2","1") = "3"
    & skf21("4","4","4","3","3","4","3","1") = "3"
    & skf21("4","4","4","3","3","4","4","1") = "3"
    & skf21("4","4","4","3","3","4","5","1") = "4"
    & skf21("4","4","4","3","3","4","6","1") = "5"
    & skf21("4","4","4","3","3","4","7","1") = "6"
    & skf21("4","4","4","3","3","5","1","1") = "4"
    & skf21("4","4","4","3","3","5","2","1") = "4"
    & skf21("4","4","4","3","3","5","3","1") = "4"
    & skf21("4","4","4","3","3","5","4","1") = "4"
    & skf21("4","4","4","3","3","5","5","1") = "4"
    & skf21("4","4","4","3","3","5","6","1") = "5"
    & skf21("4","4","4","3","3","5","7","1") = "6"
    & skf21("4","4","4","3","3","6","1","1") = "5"
    & skf21("4","4","4","3","3","6","2","1") = "5"
    & skf21("4","4","4","3","3","6","3","1") = "5"
    & skf21("4","4","4","3","3","6","4","1") = "5"
    & skf21("4","4","4","3","3","6","5","1") = "5"
    & skf21("4","4","4","3","3","6","6","1") = "5"
    & skf21("4","4","4","3","3","6","7","1") = "6"
    & skf21("4","4","4","3","3","7","1","1") = "6"
    & skf21("4","4","4","3","3","7","2","1") = "6"
    & skf21("4","4","4","3","3","7","3","1") = "6"
    & skf21("4","4","4","3","3","7","4","1") = "6"
    & skf21("4","4","4","3","3","7","5","1") = "6"
    & skf21("4","4","4","3","3","7","6","1") = "6"
    & skf21("4","4","4","3","3","7","7","1") = "6"
    & skf21("4","4","4","3","4","1","1","1") = "3"
    & skf21("4","4","4","3","4","1","2","1") = "3"
    & skf21("4","4","4","3","4","1","3","1") = "3"
    & skf21("4","4","4","3","4","1","4","1") = "3"
    & skf21("4","4","4","3","4","1","5","1") = "4"
    & skf21("4","4","4","3","4","1","6","1") = "5"
    & skf21("4","4","4","3","4","1","7","1") = "6"
    & skf21("4","4","4","3","4","2","1","1") = "3"
    & skf21("4","4","4","3","4","2","2","1") = "3"
    & skf21("4","4","4","3","4","2","3","1") = "3"
    & skf21("4","4","4","3","4","2","4","1") = "3"
    & skf21("4","4","4","3","4","2","5","1") = "4"
    & skf21("4","4","4","3","4","2","6","1") = "5"
    & skf21("4","4","4","3","4","2","7","1") = "6"
    & skf21("4","4","4","3","4","3","1","1") = "3"
    & skf21("4","4","4","3","4","3","2","1") = "3"
    & skf21("4","4","4","3","4","3","3","1") = "3"
    & skf21("4","4","4","3","4","3","4","1") = "3"
    & skf21("4","4","4","3","4","3","5","1") = "4"
    & skf21("4","4","4","3","4","3","6","1") = "5"
    & skf21("4","4","4","3","4","3","7","1") = "6"
    & skf21("4","4","4","3","4","4","1","1") = "3"
    & skf21("4","4","4","3","4","4","2","1") = "3"
    & skf21("4","4","4","3","4","4","3","1") = "3"
    & skf21("4","4","4","3","4","4","4","1") = "3"
    & skf21("4","4","4","3","4","4","5","1") = "4"
    & skf21("4","4","4","3","4","4","6","1") = "5"
    & skf21("4","4","4","3","4","4","7","1") = "6"
    & skf21("4","4","4","3","4","5","1","1") = "4"
    & skf21("4","4","4","3","4","5","2","1") = "4"
    & skf21("4","4","4","3","4","5","3","1") = "4"
    & skf21("4","4","4","3","4","5","4","1") = "4"
    & skf21("4","4","4","3","4","5","5","1") = "4"
    & skf21("4","4","4","3","4","5","6","1") = "5"
    & skf21("4","4","4","3","4","5","7","1") = "6"
    & skf21("4","4","4","3","4","6","1","1") = "5"
    & skf21("4","4","4","3","4","6","2","1") = "5"
    & skf21("4","4","4","3","4","6","3","1") = "5"
    & skf21("4","4","4","3","4","6","4","1") = "5"
    & skf21("4","4","4","3","4","6","5","1") = "5"
    & skf21("4","4","4","3","4","6","6","1") = "5"
    & skf21("4","4","4","3","4","6","7","1") = "6"
    & skf21("4","4","4","3","4","7","1","1") = "6"
    & skf21("4","4","4","3","4","7","2","1") = "6"
    & skf21("4","4","4","3","4","7","3","1") = "6"
    & skf21("4","4","4","3","4","7","4","1") = "6"
    & skf21("4","4","4","3","4","7","5","1") = "6"
    & skf21("4","4","4","3","4","7","6","1") = "6"
    & skf21("4","4","4","3","4","7","7","1") = "6"
    & skf21("4","4","4","3","5","1","1","1") = "4"
    & skf21("4","4","4","3","5","1","2","1") = "4"
    & skf21("4","4","4","3","5","1","3","1") = "4"
    & skf21("4","4","4","3","5","1","4","1") = "4"
    & skf21("4","4","4","3","5","1","5","1") = "4"
    & skf21("4","4","4","3","5","1","6","1") = "5"
    & skf21("4","4","4","3","5","1","7","1") = "6"
    & skf21("4","4","4","3","5","2","1","1") = "4"
    & skf21("4","4","4","3","5","2","2","1") = "4"
    & skf21("4","4","4","3","5","2","3","1") = "4"
    & skf21("4","4","4","3","5","2","4","1") = "4"
    & skf21("4","4","4","3","5","2","5","1") = "4"
    & skf21("4","4","4","3","5","2","6","1") = "5"
    & skf21("4","4","4","3","5","2","7","1") = "6"
    & skf21("4","4","4","3","5","3","1","1") = "4"
    & skf21("4","4","4","3","5","3","2","1") = "4"
    & skf21("4","4","4","3","5","3","3","1") = "4"
    & skf21("4","4","4","3","5","3","4","1") = "4"
    & skf21("4","4","4","3","5","3","5","1") = "4"
    & skf21("4","4","4","3","5","3","6","1") = "5"
    & skf21("4","4","4","3","5","3","7","1") = "6"
    & skf21("4","4","4","3","5","4","1","1") = "4"
    & skf21("4","4","4","3","5","4","2","1") = "4"
    & skf21("4","4","4","3","5","4","3","1") = "4"
    & skf21("4","4","4","3","5","4","4","1") = "4"
    & skf21("4","4","4","3","5","4","5","1") = "4"
    & skf21("4","4","4","3","5","4","6","1") = "5"
    & skf21("4","4","4","3","5","4","7","1") = "6"
    & skf21("4","4","4","3","5","5","1","1") = "4"
    & skf21("4","4","4","3","5","5","2","1") = "4"
    & skf21("4","4","4","3","5","5","3","1") = "4"
    & skf21("4","4","4","3","5","5","4","1") = "4"
    & skf21("4","4","4","3","5","5","5","1") = "4"
    & skf21("4","4","4","3","5","5","6","1") = "5"
    & skf21("4","4","4","3","5","5","7","1") = "6"
    & skf21("4","4","4","3","5","6","1","1") = "5"
    & skf21("4","4","4","3","5","6","2","1") = "5"
    & skf21("4","4","4","3","5","6","3","1") = "5"
    & skf21("4","4","4","3","5","6","4","1") = "5"
    & skf21("4","4","4","3","5","6","5","1") = "5"
    & skf21("4","4","4","3","5","6","6","1") = "5"
    & skf21("4","4","4","3","5","6","7","1") = "6"
    & skf21("4","4","4","3","5","7","1","1") = "6"
    & skf21("4","4","4","3","5","7","2","1") = "6"
    & skf21("4","4","4","3","5","7","3","1") = "6"
    & skf21("4","4","4","3","5","7","4","1") = "6"
    & skf21("4","4","4","3","5","7","5","1") = "6"
    & skf21("4","4","4","3","5","7","6","1") = "6"
    & skf21("4","4","4","3","5","7","7","1") = "6"
    & skf21("4","4","4","3","6","1","1","1") = "5"
    & skf21("4","4","4","3","6","1","2","1") = "5"
    & skf21("4","4","4","3","6","1","3","1") = "5"
    & skf21("4","4","4","3","6","1","4","1") = "5"
    & skf21("4","4","4","3","6","1","5","1") = "5"
    & skf21("4","4","4","3","6","1","6","1") = "5"
    & skf21("4","4","4","3","6","1","7","1") = "6"
    & skf21("4","4","4","3","6","2","1","1") = "5"
    & skf21("4","4","4","3","6","2","2","1") = "5"
    & skf21("4","4","4","3","6","2","3","1") = "5"
    & skf21("4","4","4","3","6","2","4","1") = "5"
    & skf21("4","4","4","3","6","2","5","1") = "5"
    & skf21("4","4","4","3","6","2","6","1") = "5"
    & skf21("4","4","4","3","6","2","7","1") = "6"
    & skf21("4","4","4","3","6","3","1","1") = "5"
    & skf21("4","4","4","3","6","3","2","1") = "5"
    & skf21("4","4","4","3","6","3","3","1") = "5"
    & skf21("4","4","4","3","6","3","4","1") = "5"
    & skf21("4","4","4","3","6","3","5","1") = "5"
    & skf21("4","4","4","3","6","3","6","1") = "5"
    & skf21("4","4","4","3","6","3","7","1") = "6"
    & skf21("4","4","4","3","6","4","1","1") = "5"
    & skf21("4","4","4","3","6","4","2","1") = "5"
    & skf21("4","4","4","3","6","4","3","1") = "5"
    & skf21("4","4","4","3","6","4","4","1") = "5"
    & skf21("4","4","4","3","6","4","5","1") = "5"
    & skf21("4","4","4","3","6","4","6","1") = "5"
    & skf21("4","4","4","3","6","4","7","1") = "6"
    & skf21("4","4","4","3","6","5","1","1") = "5"
    & skf21("4","4","4","3","6","5","2","1") = "5"
    & skf21("4","4","4","3","6","5","3","1") = "5"
    & skf21("4","4","4","3","6","5","4","1") = "5"
    & skf21("4","4","4","3","6","5","5","1") = "5"
    & skf21("4","4","4","3","6","5","6","1") = "5"
    & skf21("4","4","4","3","6","5","7","1") = "6"
    & skf21("4","4","4","3","6","6","1","1") = "5"
    & skf21("4","4","4","3","6","6","2","1") = "5"
    & skf21("4","4","4","3","6","6","3","1") = "5"
    & skf21("4","4","4","3","6","6","4","1") = "5"
    & skf21("4","4","4","3","6","6","5","1") = "5"
    & skf21("4","4","4","3","6","6","6","1") = "5"
    & skf21("4","4","4","3","6","6","7","1") = "6"
    & skf21("4","4","4","3","6","7","1","1") = "6"
    & skf21("4","4","4","3","6","7","2","1") = "6"
    & skf21("4","4","4","3","6","7","3","1") = "6"
    & skf21("4","4","4","3","6","7","4","1") = "6"
    & skf21("4","4","4","3","6","7","5","1") = "6"
    & skf21("4","4","4","3","6","7","6","1") = "6"
    & skf21("4","4","4","3","6","7","7","1") = "6"
    & skf21("4","4","4","3","7","1","1","1") = "6"
    & skf21("4","4","4","3","7","1","2","1") = "6"
    & skf21("4","4","4","3","7","1","3","1") = "6"
    & skf21("4","4","4","3","7","1","4","1") = "6"
    & skf21("4","4","4","3","7","1","5","1") = "6"
    & skf21("4","4","4","3","7","1","6","1") = "6"
    & skf21("4","4","4","3","7","1","7","1") = "6"
    & skf21("4","4","4","3","7","2","1","1") = "6"
    & skf21("4","4","4","3","7","2","2","1") = "6"
    & skf21("4","4","4","3","7","2","3","1") = "6"
    & skf21("4","4","4","3","7","2","4","1") = "6"
    & skf21("4","4","4","3","7","2","5","1") = "6"
    & skf21("4","4","4","3","7","2","6","1") = "6"
    & skf21("4","4","4","3","7","2","7","1") = "6"
    & skf21("4","4","4","3","7","3","1","1") = "6"
    & skf21("4","4","4","3","7","3","2","1") = "6"
    & skf21("4","4","4","3","7","3","3","1") = "6"
    & skf21("4","4","4","3","7","3","4","1") = "6"
    & skf21("4","4","4","3","7","3","5","1") = "6"
    & skf21("4","4","4","3","7","3","6","1") = "6"
    & skf21("4","4","4","3","7","3","7","1") = "6"
    & skf21("4","4","4","3","7","4","1","1") = "6"
    & skf21("4","4","4","3","7","4","2","1") = "6"
    & skf21("4","4","4","3","7","4","3","1") = "6"
    & skf21("4","4","4","3","7","4","4","1") = "6"
    & skf21("4","4","4","3","7","4","5","1") = "6"
    & skf21("4","4","4","3","7","4","6","1") = "6"
    & skf21("4","4","4","3","7","4","7","1") = "6"
    & skf21("4","4","4","3","7","5","1","1") = "6"
    & skf21("4","4","4","3","7","5","2","1") = "6"
    & skf21("4","4","4","3","7","5","3","1") = "6"
    & skf21("4","4","4","3","7","5","4","1") = "6"
    & skf21("4","4","4","3","7","5","5","1") = "6"
    & skf21("4","4","4","3","7","5","6","1") = "6"
    & skf21("4","4","4","3","7","5","7","1") = "6"
    & skf21("4","4","4","3","7","6","1","1") = "6"
    & skf21("4","4","4","3","7","6","2","1") = "6"
    & skf21("4","4","4","3","7","6","3","1") = "6"
    & skf21("4","4","4","3","7","6","4","1") = "6"
    & skf21("4","4","4","3","7","6","5","1") = "6"
    & skf21("4","4","4","3","7","6","6","1") = "6"
    & skf21("4","4","4","3","7","6","7","1") = "6"
    & skf21("4","4","4","3","7","7","1","1") = "6"
    & skf21("4","4","4","3","7","7","2","1") = "6"
    & skf21("4","4","4","3","7","7","3","1") = "6"
    & skf21("4","4","4","3","7","7","4","1") = "6"
    & skf21("4","4","4","3","7","7","5","1") = "6"
    & skf21("4","4","4","3","7","7","6","1") = "6"
    & skf21("4","4","4","3","7","7","7","1") = "6"
    & skf21("4","4","4","4","1","1","1","1") = "3"
    & skf21("4","4","4","4","1","1","2","1") = "3"
    & skf21("4","4","4","4","1","1","3","1") = "3"
    & skf21("4","4","4","4","1","1","4","1") = "3"
    & skf21("4","4","4","4","1","1","5","1") = "4"
    & skf21("4","4","4","4","1","1","6","1") = "5"
    & skf21("4","4","4","4","1","1","7","1") = "6"
    & skf21("4","4","4","4","1","2","1","1") = "3"
    & skf21("4","4","4","4","1","2","2","1") = "3"
    & skf21("4","4","4","4","1","2","3","1") = "3"
    & skf21("4","4","4","4","1","2","4","1") = "3"
    & skf21("4","4","4","4","1","2","5","1") = "4"
    & skf21("4","4","4","4","1","2","6","1") = "5"
    & skf21("4","4","4","4","1","2","7","1") = "6"
    & skf21("4","4","4","4","1","3","1","1") = "3"
    & skf21("4","4","4","4","1","3","2","1") = "3"
    & skf21("4","4","4","4","1","3","3","1") = "3"
    & skf21("4","4","4","4","1","3","4","1") = "3"
    & skf21("4","4","4","4","1","3","5","1") = "4"
    & skf21("4","4","4","4","1","3","6","1") = "5"
    & skf21("4","4","4","4","1","3","7","1") = "6"
    & skf21("4","4","4","4","1","4","1","1") = "3"
    & skf21("4","4","4","4","1","4","2","1") = "3"
    & skf21("4","4","4","4","1","4","3","1") = "3"
    & skf21("4","4","4","4","1","4","4","1") = "3"
    & skf21("4","4","4","4","1","4","5","1") = "4"
    & skf21("4","4","4","4","1","4","6","1") = "5"
    & skf21("4","4","4","4","1","4","7","1") = "6"
    & skf21("4","4","4","4","1","5","1","1") = "4"
    & skf21("4","4","4","4","1","5","2","1") = "4"
    & skf21("4","4","4","4","1","5","3","1") = "4"
    & skf21("4","4","4","4","1","5","4","1") = "4"
    & skf21("4","4","4","4","1","5","5","1") = "4"
    & skf21("4","4","4","4","1","5","6","1") = "5"
    & skf21("4","4","4","4","1","5","7","1") = "6"
    & skf21("4","4","4","4","1","6","1","1") = "5"
    & skf21("4","4","4","4","1","6","2","1") = "5"
    & skf21("4","4","4","4","1","6","3","1") = "5"
    & skf21("4","4","4","4","1","6","4","1") = "5"
    & skf21("4","4","4","4","1","6","5","1") = "5"
    & skf21("4","4","4","4","1","6","6","1") = "5"
    & skf21("4","4","4","4","1","6","7","1") = "6"
    & skf21("4","4","4","4","1","7","1","1") = "6"
    & skf21("4","4","4","4","1","7","2","1") = "6"
    & skf21("4","4","4","4","1","7","3","1") = "6"
    & skf21("4","4","4","4","1","7","4","1") = "6"
    & skf21("4","4","4","4","1","7","5","1") = "6"
    & skf21("4","4","4","4","1","7","6","1") = "6"
    & skf21("4","4","4","4","1","7","7","1") = "6"
    & skf21("4","4","4","4","2","1","1","1") = "3"
    & skf21("4","4","4","4","2","1","2","1") = "3"
    & skf21("4","4","4","4","2","1","3","1") = "3"
    & skf21("4","4","4","4","2","1","4","1") = "3"
    & skf21("4","4","4","4","2","1","5","1") = "4"
    & skf21("4","4","4","4","2","1","6","1") = "5"
    & skf21("4","4","4","4","2","1","7","1") = "6"
    & skf21("4","4","4","4","2","2","1","1") = "3"
    & skf21("4","4","4","4","2","2","2","1") = "3"
    & skf21("4","4","4","4","2","2","3","1") = "3"
    & skf21("4","4","4","4","2","2","4","1") = "3"
    & skf21("4","4","4","4","2","2","5","1") = "4"
    & skf21("4","4","4","4","2","2","6","1") = "5"
    & skf21("4","4","4","4","2","2","7","1") = "6"
    & skf21("4","4","4","4","2","3","1","1") = "3"
    & skf21("4","4","4","4","2","3","2","1") = "3"
    & skf21("4","4","4","4","2","3","3","1") = "3"
    & skf21("4","4","4","4","2","3","4","1") = "3"
    & skf21("4","4","4","4","2","3","5","1") = "4"
    & skf21("4","4","4","4","2","3","6","1") = "5"
    & skf21("4","4","4","4","2","3","7","1") = "6"
    & skf21("4","4","4","4","2","4","1","1") = "3"
    & skf21("4","4","4","4","2","4","2","1") = "3"
    & skf21("4","4","4","4","2","4","3","1") = "3"
    & skf21("4","4","4","4","2","4","4","1") = "3"
    & skf21("4","4","4","4","2","4","5","1") = "4"
    & skf21("4","4","4","4","2","4","6","1") = "5"
    & skf21("4","4","4","4","2","4","7","1") = "6"
    & skf21("4","4","4","4","2","5","1","1") = "4"
    & skf21("4","4","4","4","2","5","2","1") = "4"
    & skf21("4","4","4","4","2","5","3","1") = "4"
    & skf21("4","4","4","4","2","5","4","1") = "4"
    & skf21("4","4","4","4","2","5","5","1") = "4"
    & skf21("4","4","4","4","2","5","6","1") = "5"
    & skf21("4","4","4","4","2","5","7","1") = "6"
    & skf21("4","4","4","4","2","6","1","1") = "5"
    & skf21("4","4","4","4","2","6","2","1") = "5"
    & skf21("4","4","4","4","2","6","3","1") = "5"
    & skf21("4","4","4","4","2","6","4","1") = "5"
    & skf21("4","4","4","4","2","6","5","1") = "5"
    & skf21("4","4","4","4","2","6","6","1") = "5"
    & skf21("4","4","4","4","2","6","7","1") = "6"
    & skf21("4","4","4","4","2","7","1","1") = "6"
    & skf21("4","4","4","4","2","7","2","1") = "6"
    & skf21("4","4","4","4","2","7","3","1") = "6"
    & skf21("4","4","4","4","2","7","4","1") = "6"
    & skf21("4","4","4","4","2","7","5","1") = "6"
    & skf21("4","4","4","4","2","7","6","1") = "6"
    & skf21("4","4","4","4","2","7","7","1") = "6"
    & skf21("4","4","4","4","3","1","1","1") = "3"
    & skf21("4","4","4","4","3","1","2","1") = "3"
    & skf21("4","4","4","4","3","1","3","1") = "3"
    & skf21("4","4","4","4","3","1","4","1") = "3"
    & skf21("4","4","4","4","3","1","5","1") = "4"
    & skf21("4","4","4","4","3","1","6","1") = "5"
    & skf21("4","4","4","4","3","1","7","1") = "6"
    & skf21("4","4","4","4","3","2","1","1") = "3"
    & skf21("4","4","4","4","3","2","2","1") = "3"
    & skf21("4","4","4","4","3","2","3","1") = "3"
    & skf21("4","4","4","4","3","2","4","1") = "3"
    & skf21("4","4","4","4","3","2","5","1") = "4"
    & skf21("4","4","4","4","3","2","6","1") = "5"
    & skf21("4","4","4","4","3","2","7","1") = "6"
    & skf21("4","4","4","4","3","3","1","1") = "3"
    & skf21("4","4","4","4","3","3","2","1") = "3"
    & skf21("4","4","4","4","3","3","3","1") = "3"
    & skf21("4","4","4","4","3","3","4","1") = "3"
    & skf21("4","4","4","4","3","3","5","1") = "4"
    & skf21("4","4","4","4","3","3","6","1") = "5"
    & skf21("4","4","4","4","3","3","7","1") = "6"
    & skf21("4","4","4","4","3","4","1","1") = "3"
    & skf21("4","4","4","4","3","4","2","1") = "3"
    & skf21("4","4","4","4","3","4","3","1") = "3"
    & skf21("4","4","4","4","3","4","4","1") = "3"
    & skf21("4","4","4","4","3","4","5","1") = "4"
    & skf21("4","4","4","4","3","4","6","1") = "5"
    & skf21("4","4","4","4","3","4","7","1") = "6"
    & skf21("4","4","4","4","3","5","1","1") = "4"
    & skf21("4","4","4","4","3","5","2","1") = "4"
    & skf21("4","4","4","4","3","5","3","1") = "4"
    & skf21("4","4","4","4","3","5","4","1") = "4"
    & skf21("4","4","4","4","3","5","5","1") = "4"
    & skf21("4","4","4","4","3","5","6","1") = "5"
    & skf21("4","4","4","4","3","5","7","1") = "6"
    & skf21("4","4","4","4","3","6","1","1") = "5"
    & skf21("4","4","4","4","3","6","2","1") = "5"
    & skf21("4","4","4","4","3","6","3","1") = "5"
    & skf21("4","4","4","4","3","6","4","1") = "5"
    & skf21("4","4","4","4","3","6","5","1") = "5"
    & skf21("4","4","4","4","3","6","6","1") = "5"
    & skf21("4","4","4","4","3","6","7","1") = "6"
    & skf21("4","4","4","4","3","7","1","1") = "6"
    & skf21("4","4","4","4","3","7","2","1") = "6"
    & skf21("4","4","4","4","3","7","3","1") = "6"
    & skf21("4","4","4","4","3","7","4","1") = "6"
    & skf21("4","4","4","4","3","7","5","1") = "6"
    & skf21("4","4","4","4","3","7","6","1") = "6"
    & skf21("4","4","4","4","3","7","7","1") = "6"
    & skf21("4","4","4","4","4","1","1","1") = "3"
    & skf21("4","4","4","4","4","1","2","1") = "3"
    & skf21("4","4","4","4","4","1","3","1") = "3"
    & skf21("4","4","4","4","4","1","4","1") = "3"
    & skf21("4","4","4","4","4","1","5","1") = "4"
    & skf21("4","4","4","4","4","1","6","1") = "5"
    & skf21("4","4","4","4","4","1","7","1") = "6"
    & skf21("4","4","4","4","4","2","1","1") = "3"
    & skf21("4","4","4","4","4","2","2","1") = "3"
    & skf21("4","4","4","4","4","2","3","1") = "3"
    & skf21("4","4","4","4","4","2","4","1") = "3"
    & skf21("4","4","4","4","4","2","5","1") = "5"
    & skf21("4","4","4","4","4","2","6","1") = "5"
    & skf21("4","4","4","4","4","2","7","1") = "6"
    & skf21("4","4","4","4","4","3","1","1") = "3"
    & skf21("4","4","4","4","4","3","2","1") = "3"
    & skf21("4","4","4","4","4","3","3","1") = "5"
    & skf21("4","4","4","4","4","3","4","1") = "5"
    & skf21("4","4","4","4","4","3","5","1") = "5"
    & skf21("4","4","4","4","4","3","6","1") = "5"
    & skf21("4","4","4","4","4","3","7","1") = "6"
    & skf21("4","4","4","4","4","4","1","1") = "5"
    & skf21("4","4","4","4","4","4","2","1") = "5"
    & skf21("4","4","4","4","4","4","3","1") = "5"
    & skf21("4","4","4","4","4","4","4","1") = "5"
    & skf21("4","4","4","4","4","4","5","1") = "5"
    & skf21("4","4","4","4","4","4","6","1") = "5"
    & skf21("4","4","4","4","4","4","7","1") = "6"
    & skf21("4","4","4","4","4","5","1","1") = "4"
    & skf21("4","4","4","4","4","5","2","1") = "4"
    & skf21("4","4","4","4","4","5","3","1") = "4"
    & skf21("4","4","4","4","4","5","4","1") = "4"
    & skf21("4","4","4","4","4","5","5","1") = "4"
    & skf21("4","4","4","4","4","5","6","1") = "5"
    & skf21("4","4","4","4","4","5","7","1") = "6"
    & skf21("4","4","4","4","4","6","1","1") = "5"
    & skf21("4","4","4","4","4","6","2","1") = "5"
    & skf21("4","4","4","4","4","6","3","1") = "5"
    & skf21("4","4","4","4","4","6","4","1") = "5"
    & skf21("4","4","4","4","4","6","5","1") = "5"
    & skf21("4","4","4","4","4","6","6","1") = "5"
    & skf21("4","4","4","4","4","6","7","1") = "6"
    & skf21("4","4","4","4","4","7","1","1") = "6"
    & skf21("4","4","4","4","4","7","2","1") = "6"
    & skf21("4","4","4","4","4","7","3","1") = "6"
    & skf21("4","4","4","4","4","7","4","1") = "6"
    & skf21("4","4","4","4","4","7","5","1") = "6"
    & skf21("4","4","4","4","4","7","6","1") = "6"
    & skf21("4","4","4","4","4","7","7","1") = "6"
    & skf21("4","4","4","4","5","1","1","1") = "4"
    & skf21("4","4","4","4","5","1","2","1") = "4"
    & skf21("4","4","4","4","5","1","3","1") = "4"
    & skf21("4","4","4","4","5","1","4","1") = "4"
    & skf21("4","4","4","4","5","1","5","1") = "4"
    & skf21("4","4","4","4","5","1","6","1") = "5"
    & skf21("4","4","4","4","5","1","7","1") = "6"
    & skf21("4","4","4","4","5","2","1","1") = "4"
    & skf21("4","4","4","4","5","2","2","1") = "4"
    & skf21("4","4","4","4","5","2","3","1") = "4"
    & skf21("4","4","4","4","5","2","4","1") = "4"
    & skf21("4","4","4","4","5","2","5","1") = "4"
    & skf21("4","4","4","4","5","2","6","1") = "5"
    & skf21("4","4","4","4","5","2","7","1") = "6"
    & skf21("4","4","4","4","5","3","1","1") = "4"
    & skf21("4","4","4","4","5","3","2","1") = "4"
    & skf21("4","4","4","4","5","3","3","1") = "4"
    & skf21("4","4","4","4","5","3","4","1") = "4"
    & skf21("4","4","4","4","5","3","5","1") = "4"
    & skf21("4","4","4","4","5","3","6","1") = "5"
    & skf21("4","4","4","4","5","3","7","1") = "6"
    & skf21("4","4","4","4","5","4","1","1") = "4"
    & skf21("4","4","4","4","5","4","2","1") = "4"
    & skf21("4","4","4","4","5","4","3","1") = "4"
    & skf21("4","4","4","4","5","4","4","1") = "4"
    & skf21("4","4","4","4","5","4","5","1") = "4"
    & skf21("4","4","4","4","5","4","6","1") = "5"
    & skf21("4","4","4","4","5","4","7","1") = "6"
    & skf21("4","4","4","4","5","5","1","1") = "4"
    & skf21("4","4","4","4","5","5","2","1") = "4"
    & skf21("4","4","4","4","5","5","3","1") = "4"
    & skf21("4","4","4","4","5","5","4","1") = "4"
    & skf21("4","4","4","4","5","5","5","1") = "4"
    & skf21("4","4","4","4","5","5","6","1") = "5"
    & skf21("4","4","4","4","5","5","7","1") = "6"
    & skf21("4","4","4","4","5","6","1","1") = "5"
    & skf21("4","4","4","4","5","6","2","1") = "5"
    & skf21("4","4","4","4","5","6","3","1") = "5"
    & skf21("4","4","4","4","5","6","4","1") = "5"
    & skf21("4","4","4","4","5","6","5","1") = "5"
    & skf21("4","4","4","4","5","6","6","1") = "5"
    & skf21("4","4","4","4","5","6","7","1") = "6"
    & skf21("4","4","4","4","5","7","1","1") = "6"
    & skf21("4","4","4","4","5","7","2","1") = "6"
    & skf21("4","4","4","4","5","7","3","1") = "6"
    & skf21("4","4","4","4","5","7","4","1") = "6"
    & skf21("4","4","4","4","5","7","5","1") = "6"
    & skf21("4","4","4","4","5","7","6","1") = "6"
    & skf21("4","4","4","4","5","7","7","1") = "6"
    & skf21("4","4","4","4","6","1","1","1") = "5"
    & skf21("4","4","4","4","6","1","2","1") = "5"
    & skf21("4","4","4","4","6","1","3","1") = "5"
    & skf21("4","4","4","4","6","1","4","1") = "5"
    & skf21("4","4","4","4","6","1","5","1") = "5"
    & skf21("4","4","4","4","6","1","6","1") = "5"
    & skf21("4","4","4","4","6","1","7","1") = "6"
    & skf21("4","4","4","4","6","2","1","1") = "5"
    & skf21("4","4","4","4","6","2","2","1") = "5"
    & skf21("4","4","4","4","6","2","3","1") = "5"
    & skf21("4","4","4","4","6","2","4","1") = "5"
    & skf21("4","4","4","4","6","2","5","1") = "5"
    & skf21("4","4","4","4","6","2","6","1") = "5"
    & skf21("4","4","4","4","6","2","7","1") = "6"
    & skf21("4","4","4","4","6","3","1","1") = "5"
    & skf21("4","4","4","4","6","3","2","1") = "5"
    & skf21("4","4","4","4","6","3","3","1") = "5"
    & skf21("4","4","4","4","6","3","4","1") = "5"
    & skf21("4","4","4","4","6","3","5","1") = "5"
    & skf21("4","4","4","4","6","3","6","1") = "5"
    & skf21("4","4","4","4","6","3","7","1") = "6"
    & skf21("4","4","4","4","6","4","1","1") = "5"
    & skf21("4","4","4","4","6","4","2","1") = "5"
    & skf21("4","4","4","4","6","4","3","1") = "5"
    & skf21("4","4","4","4","6","4","4","1") = "5"
    & skf21("4","4","4","4","6","4","5","1") = "5"
    & skf21("4","4","4","4","6","4","6","1") = "5"
    & skf21("4","4","4","4","6","4","7","1") = "6"
    & skf21("4","4","4","4","6","5","1","1") = "5"
    & skf21("4","4","4","4","6","5","2","1") = "5"
    & skf21("4","4","4","4","6","5","3","1") = "5"
    & skf21("4","4","4","4","6","5","4","1") = "5"
    & skf21("4","4","4","4","6","5","5","1") = "5"
    & skf21("4","4","4","4","6","5","6","1") = "5"
    & skf21("4","4","4","4","6","5","7","1") = "6"
    & skf21("4","4","4","4","6","6","1","1") = "5"
    & skf21("4","4","4","4","6","6","2","1") = "5"
    & skf21("4","4","4","4","6","6","3","1") = "5"
    & skf21("4","4","4","4","6","6","4","1") = "5"
    & skf21("4","4","4","4","6","6","5","1") = "5"
    & skf21("4","4","4","4","6","6","6","1") = "5"
    & skf21("4","4","4","4","6","6","7","1") = "6"
    & skf21("4","4","4","4","6","7","1","1") = "6"
    & skf21("4","4","4","4","6","7","2","1") = "6"
    & skf21("4","4","4","4","6","7","3","1") = "6"
    & skf21("4","4","4","4","6","7","4","1") = "6"
    & skf21("4","4","4","4","6","7","5","1") = "6"
    & skf21("4","4","4","4","6","7","6","1") = "6"
    & skf21("4","4","4","4","6","7","7","1") = "6"
    & skf21("4","4","4","4","7","1","1","1") = "6"
    & skf21("4","4","4","4","7","1","2","1") = "6"
    & skf21("4","4","4","4","7","1","3","1") = "6"
    & skf21("4","4","4","4","7","1","4","1") = "6"
    & skf21("4","4","4","4","7","1","5","1") = "6"
    & skf21("4","4","4","4","7","1","6","1") = "6"
    & skf21("4","4","4","4","7","1","7","1") = "6"
    & skf21("4","4","4","4","7","2","1","1") = "6"
    & skf21("4","4","4","4","7","2","2","1") = "6"
    & skf21("4","4","4","4","7","2","3","1") = "6"
    & skf21("4","4","4","4","7","2","4","1") = "6"
    & skf21("4","4","4","4","7","2","5","1") = "6"
    & skf21("4","4","4","4","7","2","6","1") = "6"
    & skf21("4","4","4","4","7","2","7","1") = "6"
    & skf21("4","4","4","4","7","3","1","1") = "6"
    & skf21("4","4","4","4","7","3","2","1") = "6"
    & skf21("4","4","4","4","7","3","3","1") = "6"
    & skf21("4","4","4","4","7","3","4","1") = "6"
    & skf21("4","4","4","4","7","3","5","1") = "6"
    & skf21("4","4","4","4","7","3","6","1") = "6"
    & skf21("4","4","4","4","7","3","7","1") = "6"
    & skf21("4","4","4","4","7","4","1","1") = "6"
    & skf21("4","4","4","4","7","4","2","1") = "6"
    & skf21("4","4","4","4","7","4","3","1") = "6"
    & skf21("4","4","4","4","7","4","4","1") = "6"
    & skf21("4","4","4","4","7","4","5","1") = "6"
    & skf21("4","4","4","4","7","4","6","1") = "6"
    & skf21("4","4","4","4","7","4","7","1") = "6"
    & skf21("4","4","4","4","7","5","1","1") = "6"
    & skf21("4","4","4","4","7","5","2","1") = "6"
    & skf21("4","4","4","4","7","5","3","1") = "6"
    & skf21("4","4","4","4","7","5","4","1") = "6"
    & skf21("4","4","4","4","7","5","5","1") = "6"
    & skf21("4","4","4","4","7","5","6","1") = "6"
    & skf21("4","4","4","4","7","5","7","1") = "6"
    & skf21("4","4","4","4","7","6","1","1") = "6"
    & skf21("4","4","4","4","7","6","2","1") = "6"
    & skf21("4","4","4","4","7","6","3","1") = "6"
    & skf21("4","4","4","4","7","6","4","1") = "6"
    & skf21("4","4","4","4","7","6","5","1") = "6"
    & skf21("4","4","4","4","7","6","6","1") = "6"
    & skf21("4","4","4","4","7","6","7","1") = "6"
    & skf21("4","4","4","4","7","7","1","1") = "6"
    & skf21("4","4","4","4","7","7","2","1") = "6"
    & skf21("4","4","4","4","7","7","3","1") = "6"
    & skf21("4","4","4","4","7","7","4","1") = "6"
    & skf21("4","4","4","4","7","7","5","1") = "6"
    & skf21("4","4","4","4","7","7","6","1") = "6"
    & skf21("4","4","4","4","7","7","7","1") = "6"
    & skf21("4","4","4","5","1","1","1","1") = "4"
    & skf21("4","4","4","5","1","1","2","1") = "4"
    & skf21("4","4","4","5","1","1","3","1") = "4"
    & skf21("4","4","4","5","1","1","4","1") = "4"
    & skf21("4","4","4","5","1","1","5","1") = "4"
    & skf21("4","4","4","5","1","1","6","1") = "5"
    & skf21("4","4","4","5","1","1","7","1") = "6"
    & skf21("4","4","4","5","1","2","1","1") = "4"
    & skf21("4","4","4","5","1","2","2","1") = "4"
    & skf21("4","4","4","5","1","2","3","1") = "4"
    & skf21("4","4","4","5","1","2","4","1") = "4"
    & skf21("4","4","4","5","1","2","5","1") = "4"
    & skf21("4","4","4","5","1","2","6","1") = "5"
    & skf21("4","4","4","5","1","2","7","1") = "6"
    & skf21("4","4","4","5","1","3","1","1") = "4"
    & skf21("4","4","4","5","1","3","2","1") = "4"
    & skf21("4","4","4","5","1","3","3","1") = "4"
    & skf21("4","4","4","5","1","3","4","1") = "4"
    & skf21("4","4","4","5","1","3","5","1") = "4"
    & skf21("4","4","4","5","1","3","6","1") = "5"
    & skf21("4","4","4","5","1","3","7","1") = "6"
    & skf21("4","4","4","5","1","4","1","1") = "4"
    & skf21("4","4","4","5","1","4","2","1") = "4"
    & skf21("4","4","4","5","1","4","3","1") = "4"
    & skf21("4","4","4","5","1","4","4","1") = "4"
    & skf21("4","4","4","5","1","4","5","1") = "4"
    & skf21("4","4","4","5","1","4","6","1") = "5"
    & skf21("4","4","4","5","1","4","7","1") = "6"
    & skf21("4","4","4","5","1","5","1","1") = "4"
    & skf21("4","4","4","5","1","5","2","1") = "4"
    & skf21("4","4","4","5","1","5","3","1") = "4"
    & skf21("4","4","4","5","1","5","4","1") = "4"
    & skf21("4","4","4","5","1","5","5","1") = "4"
    & skf21("4","4","4","5","1","5","6","1") = "5"
    & skf21("4","4","4","5","1","5","7","1") = "6"
    & skf21("4","4","4","5","1","6","1","1") = "5"
    & skf21("4","4","4","5","1","6","2","1") = "5"
    & skf21("4","4","4","5","1","6","3","1") = "5"
    & skf21("4","4","4","5","1","6","4","1") = "5"
    & skf21("4","4","4","5","1","6","5","1") = "5"
    & skf21("4","4","4","5","1","6","6","1") = "5"
    & skf21("4","4","4","5","1","6","7","1") = "6"
    & skf21("4","4","4","5","1","7","1","1") = "6"
    & skf21("4","4","4","5","1","7","2","1") = "6"
    & skf21("4","4","4","5","1","7","3","1") = "6"
    & skf21("4","4","4","5","1","7","4","1") = "6"
    & skf21("4","4","4","5","1","7","5","1") = "6"
    & skf21("4","4","4","5","1","7","6","1") = "6"
    & skf21("4","4","4","5","1","7","7","1") = "6"
    & skf21("4","4","4","5","2","1","1","1") = "4"
    & skf21("4","4","4","5","2","1","2","1") = "4"
    & skf21("4","4","4","5","2","1","3","1") = "4"
    & skf21("4","4","4","5","2","1","4","1") = "4"
    & skf21("4","4","4","5","2","1","5","1") = "4"
    & skf21("4","4","4","5","2","1","6","1") = "5"
    & skf21("4","4","4","5","2","1","7","1") = "6"
    & skf21("4","4","4","5","2","2","1","1") = "4"
    & skf21("4","4","4","5","2","2","2","1") = "4"
    & skf21("4","4","4","5","2","2","3","1") = "4"
    & skf21("4","4","4","5","2","2","4","1") = "4"
    & skf21("4","4","4","5","2","2","5","1") = "4"
    & skf21("4","4","4","5","2","2","6","1") = "5"
    & skf21("4","4","4","5","2","2","7","1") = "6"
    & skf21("4","4","4","5","2","3","1","1") = "4"
    & skf21("4","4","4","5","2","3","2","1") = "4"
    & skf21("4","4","4","5","2","3","3","1") = "4"
    & skf21("4","4","4","5","2","3","4","1") = "4"
    & skf21("4","4","4","5","2","3","5","1") = "4"
    & skf21("4","4","4","5","2","3","6","1") = "5"
    & skf21("4","4","4","5","2","3","7","1") = "6"
    & skf21("4","4","4","5","2","4","1","1") = "4"
    & skf21("4","4","4","5","2","4","2","1") = "4"
    & skf21("4","4","4","5","2","4","3","1") = "4"
    & skf21("4","4","4","5","2","4","4","1") = "4"
    & skf21("4","4","4","5","2","4","5","1") = "4"
    & skf21("4","4","4","5","2","4","6","1") = "5"
    & skf21("4","4","4","5","2","4","7","1") = "6"
    & skf21("4","4","4","5","2","5","1","1") = "4"
    & skf21("4","4","4","5","2","5","2","1") = "4"
    & skf21("4","4","4","5","2","5","3","1") = "4"
    & skf21("4","4","4","5","2","5","4","1") = "4"
    & skf21("4","4","4","5","2","5","5","1") = "4"
    & skf21("4","4","4","5","2","5","6","1") = "5"
    & skf21("4","4","4","5","2","5","7","1") = "6"
    & skf21("4","4","4","5","2","6","1","1") = "5"
    & skf21("4","4","4","5","2","6","2","1") = "5"
    & skf21("4","4","4","5","2","6","3","1") = "5"
    & skf21("4","4","4","5","2","6","4","1") = "5"
    & skf21("4","4","4","5","2","6","5","1") = "5"
    & skf21("4","4","4","5","2","6","6","1") = "5"
    & skf21("4","4","4","5","2","6","7","1") = "6"
    & skf21("4","4","4","5","2","7","1","1") = "6"
    & skf21("4","4","4","5","2","7","2","1") = "6"
    & skf21("4","4","4","5","2","7","3","1") = "6"
    & skf21("4","4","4","5","2","7","4","1") = "6"
    & skf21("4","4","4","5","2","7","5","1") = "6"
    & skf21("4","4","4","5","2","7","6","1") = "6"
    & skf21("4","4","4","5","2","7","7","1") = "6"
    & skf21("4","4","4","5","3","1","1","1") = "4"
    & skf21("4","4","4","5","3","1","2","1") = "4"
    & skf21("4","4","4","5","3","1","3","1") = "4"
    & skf21("4","4","4","5","3","1","4","1") = "4"
    & skf21("4","4","4","5","3","1","5","1") = "4"
    & skf21("4","4","4","5","3","1","6","1") = "5"
    & skf21("4","4","4","5","3","1","7","1") = "6"
    & skf21("4","4","4","5","3","2","1","1") = "4"
    & skf21("4","4","4","5","3","2","2","1") = "4"
    & skf21("4","4","4","5","3","2","3","1") = "4"
    & skf21("4","4","4","5","3","2","4","1") = "4"
    & skf21("4","4","4","5","3","2","5","1") = "4"
    & skf21("4","4","4","5","3","2","6","1") = "5"
    & skf21("4","4","4","5","3","2","7","1") = "6"
    & skf21("4","4","4","5","3","3","1","1") = "4"
    & skf21("4","4","4","5","3","3","2","1") = "4"
    & skf21("4","4","4","5","3","3","3","1") = "4"
    & skf21("4","4","4","5","3","3","4","1") = "4"
    & skf21("4","4","4","5","3","3","5","1") = "4"
    & skf21("4","4","4","5","3","3","6","1") = "5"
    & skf21("4","4","4","5","3","3","7","1") = "6"
    & skf21("4","4","4","5","3","4","1","1") = "4"
    & skf21("4","4","4","5","3","4","2","1") = "4"
    & skf21("4","4","4","5","3","4","3","1") = "4"
    & skf21("4","4","4","5","3","4","4","1") = "4"
    & skf21("4","4","4","5","3","4","5","1") = "4"
    & skf21("4","4","4","5","3","4","6","1") = "5"
    & skf21("4","4","4","5","3","4","7","1") = "6"
    & skf21("4","4","4","5","3","5","1","1") = "4"
    & skf21("4","4","4","5","3","5","2","1") = "4"
    & skf21("4","4","4","5","3","5","3","1") = "4"
    & skf21("4","4","4","5","3","5","4","1") = "4"
    & skf21("4","4","4","5","3","5","5","1") = "4"
    & skf21("4","4","4","5","3","5","6","1") = "5"
    & skf21("4","4","4","5","3","5","7","1") = "6"
    & skf21("4","4","4","5","3","6","1","1") = "5"
    & skf21("4","4","4","5","3","6","2","1") = "5"
    & skf21("4","4","4","5","3","6","3","1") = "5"
    & skf21("4","4","4","5","3","6","4","1") = "5"
    & skf21("4","4","4","5","3","6","5","1") = "5"
    & skf21("4","4","4","5","3","6","6","1") = "5"
    & skf21("4","4","4","5","3","6","7","1") = "6"
    & skf21("4","4","4","5","3","7","1","1") = "6"
    & skf21("4","4","4","5","3","7","2","1") = "6"
    & skf21("4","4","4","5","3","7","3","1") = "6"
    & skf21("4","4","4","5","3","7","4","1") = "6"
    & skf21("4","4","4","5","3","7","5","1") = "6"
    & skf21("4","4","4","5","3","7","6","1") = "6"
    & skf21("4","4","4","5","3","7","7","1") = "6"
    & skf21("4","4","4","5","4","1","1","1") = "4"
    & skf21("4","4","4","5","4","1","2","1") = "4"
    & skf21("4","4","4","5","4","1","3","1") = "4"
    & skf21("4","4","4","5","4","1","4","1") = "4"
    & skf21("4","4","4","5","4","1","5","1") = "4"
    & skf21("4","4","4","5","4","1","6","1") = "5"
    & skf21("4","4","4","5","4","1","7","1") = "6"
    & skf21("4","4","4","5","4","2","1","1") = "4"
    & skf21("4","4","4","5","4","2","2","1") = "4"
    & skf21("4","4","4","5","4","2","3","1") = "4"
    & skf21("4","4","4","5","4","2","4","1") = "4"
    & skf21("4","4","4","5","4","2","5","1") = "4"
    & skf21("4","4","4","5","4","2","6","1") = "5"
    & skf21("4","4","4","5","4","2","7","1") = "6"
    & skf21("4","4","4","5","4","3","1","1") = "4"
    & skf21("4","4","4","5","4","3","2","1") = "4"
    & skf21("4","4","4","5","4","3","3","1") = "4"
    & skf21("4","4","4","5","4","3","4","1") = "4"
    & skf21("4","4","4","5","4","3","5","1") = "4"
    & skf21("4","4","4","5","4","3","6","1") = "5"
    & skf21("4","4","4","5","4","3","7","1") = "6"
    & skf21("4","4","4","5","4","4","1","1") = "4"
    & skf21("4","4","4","5","4","4","2","1") = "4"
    & skf21("4","4","4","5","4","4","3","1") = "4"
    & skf21("4","4","4","5","4","4","4","1") = "4"
    & skf21("4","4","4","5","4","4","5","1") = "4"
    & skf21("4","4","4","5","4","4","6","1") = "5"
    & skf21("4","4","4","5","4","4","7","1") = "6"
    & skf21("4","4","4","5","4","5","1","1") = "4"
    & skf21("4","4","4","5","4","5","2","1") = "4"
    & skf21("4","4","4","5","4","5","3","1") = "4"
    & skf21("4","4","4","5","4","5","4","1") = "4"
    & skf21("4","4","4","5","4","5","5","1") = "4"
    & skf21("4","4","4","5","4","5","6","1") = "5"
    & skf21("4","4","4","5","4","5","7","1") = "6"
    & skf21("4","4","4","5","4","6","1","1") = "5"
    & skf21("4","4","4","5","4","6","2","1") = "5"
    & skf21("4","4","4","5","4","6","3","1") = "5"
    & skf21("4","4","4","5","4","6","4","1") = "5"
    & skf21("4","4","4","5","4","6","5","1") = "5"
    & skf21("4","4","4","5","4","6","6","1") = "5"
    & skf21("4","4","4","5","4","6","7","1") = "6"
    & skf21("4","4","4","5","4","7","1","1") = "6"
    & skf21("4","4","4","5","4","7","2","1") = "6"
    & skf21("4","4","4","5","4","7","3","1") = "6"
    & skf21("4","4","4","5","4","7","4","1") = "6"
    & skf21("4","4","4","5","4","7","5","1") = "6"
    & skf21("4","4","4","5","4","7","6","1") = "6"
    & skf21("4","4","4","5","4","7","7","1") = "6"
    & skf21("4","4","4","5","5","1","1","1") = "4"
    & skf21("4","4","4","5","5","1","2","1") = "4"
    & skf21("4","4","4","5","5","1","3","1") = "4"
    & skf21("4","4","4","5","5","1","4","1") = "4"
    & skf21("4","4","4","5","5","1","5","1") = "4"
    & skf21("4","4","4","5","5","1","6","1") = "5"
    & skf21("4","4","4","5","5","1","7","1") = "6"
    & skf21("4","4","4","5","5","2","1","1") = "4"
    & skf21("4","4","4","5","5","2","2","1") = "4"
    & skf21("4","4","4","5","5","2","3","1") = "4"
    & skf21("4","4","4","5","5","2","4","1") = "4"
    & skf21("4","4","4","5","5","2","5","1") = "4"
    & skf21("4","4","4","5","5","2","6","1") = "5"
    & skf21("4","4","4","5","5","2","7","1") = "6"
    & skf21("4","4","4","5","5","3","1","1") = "4"
    & skf21("4","4","4","5","5","3","2","1") = "4"
    & skf21("4","4","4","5","5","3","3","1") = "4"
    & skf21("4","4","4","5","5","3","4","1") = "4"
    & skf21("4","4","4","5","5","3","5","1") = "4"
    & skf21("4","4","4","5","5","3","6","1") = "5"
    & skf21("4","4","4","5","5","3","7","1") = "6"
    & skf21("4","4","4","5","5","4","1","1") = "4"
    & skf21("4","4","4","5","5","4","2","1") = "4"
    & skf21("4","4","4","5","5","4","3","1") = "4"
    & skf21("4","4","4","5","5","4","4","1") = "4"
    & skf21("4","4","4","5","5","4","5","1") = "4"
    & skf21("4","4","4","5","5","4","6","1") = "5"
    & skf21("4","4","4","5","5","4","7","1") = "6"
    & skf21("4","4","4","5","5","5","1","1") = "4"
    & skf21("4","4","4","5","5","5","2","1") = "4"
    & skf21("4","4","4","5","5","5","3","1") = "4"
    & skf21("4","4","4","5","5","5","4","1") = "4"
    & skf21("4","4","4","5","5","5","5","1") = "4"
    & skf21("4","4","4","5","5","5","6","1") = "5"
    & skf21("4","4","4","5","5","5","7","1") = "6"
    & skf21("4","4","4","5","5","6","1","1") = "5"
    & skf21("4","4","4","5","5","6","2","1") = "5"
    & skf21("4","4","4","5","5","6","3","1") = "5"
    & skf21("4","4","4","5","5","6","4","1") = "5"
    & skf21("4","4","4","5","5","6","5","1") = "5"
    & skf21("4","4","4","5","5","6","6","1") = "5"
    & skf21("4","4","4","5","5","6","7","1") = "6"
    & skf21("4","4","4","5","5","7","1","1") = "6"
    & skf21("4","4","4","5","5","7","2","1") = "6"
    & skf21("4","4","4","5","5","7","3","1") = "6"
    & skf21("4","4","4","5","5","7","4","1") = "6"
    & skf21("4","4","4","5","5","7","5","1") = "6"
    & skf21("4","4","4","5","5","7","6","1") = "6"
    & skf21("4","4","4","5","5","7","7","1") = "6"
    & skf21("4","4","4","5","6","1","1","1") = "5"
    & skf21("4","4","4","5","6","1","2","1") = "5"
    & skf21("4","4","4","5","6","1","3","1") = "5"
    & skf21("4","4","4","5","6","1","4","1") = "5"
    & skf21("4","4","4","5","6","1","5","1") = "5"
    & skf21("4","4","4","5","6","1","6","1") = "5"
    & skf21("4","4","4","5","6","1","7","1") = "6"
    & skf21("4","4","4","5","6","2","1","1") = "5"
    & skf21("4","4","4","5","6","2","2","1") = "5"
    & skf21("4","4","4","5","6","2","3","1") = "5"
    & skf21("4","4","4","5","6","2","4","1") = "5"
    & skf21("4","4","4","5","6","2","5","1") = "5"
    & skf21("4","4","4","5","6","2","6","1") = "5"
    & skf21("4","4","4","5","6","2","7","1") = "6"
    & skf21("4","4","4","5","6","3","1","1") = "5"
    & skf21("4","4","4","5","6","3","2","1") = "5"
    & skf21("4","4","4","5","6","3","3","1") = "5"
    & skf21("4","4","4","5","6","3","4","1") = "5"
    & skf21("4","4","4","5","6","3","5","1") = "5"
    & skf21("4","4","4","5","6","3","6","1") = "5"
    & skf21("4","4","4","5","6","3","7","1") = "6"
    & skf21("4","4","4","5","6","4","1","1") = "5"
    & skf21("4","4","4","5","6","4","2","1") = "5"
    & skf21("4","4","4","5","6","4","3","1") = "5"
    & skf21("4","4","4","5","6","4","4","1") = "5"
    & skf21("4","4","4","5","6","4","5","1") = "5"
    & skf21("4","4","4","5","6","4","6","1") = "5"
    & skf21("4","4","4","5","6","4","7","1") = "6"
    & skf21("4","4","4","5","6","5","1","1") = "5"
    & skf21("4","4","4","5","6","5","2","1") = "5"
    & skf21("4","4","4","5","6","5","3","1") = "5"
    & skf21("4","4","4","5","6","5","4","1") = "5"
    & skf21("4","4","4","5","6","5","5","1") = "5"
    & skf21("4","4","4","5","6","5","6","1") = "5"
    & skf21("4","4","4","5","6","5","7","1") = "6"
    & skf21("4","4","4","5","6","6","1","1") = "5"
    & skf21("4","4","4","5","6","6","2","1") = "5"
    & skf21("4","4","4","5","6","6","3","1") = "5"
    & skf21("4","4","4","5","6","6","4","1") = "5"
    & skf21("4","4","4","5","6","6","5","1") = "5"
    & skf21("4","4","4","5","6","6","6","1") = "5"
    & skf21("4","4","4","5","6","6","7","1") = "6"
    & skf21("4","4","4","5","6","7","1","1") = "6"
    & skf21("4","4","4","5","6","7","2","1") = "6"
    & skf21("4","4","4","5","6","7","3","1") = "6"
    & skf21("4","4","4","5","6","7","4","1") = "6"
    & skf21("4","4","4","5","6","7","5","1") = "6"
    & skf21("4","4","4","5","6","7","6","1") = "6"
    & skf21("4","4","4","5","6","7","7","1") = "6"
    & skf21("4","4","4","5","7","1","1","1") = "6"
    & skf21("4","4","4","5","7","1","2","1") = "6"
    & skf21("4","4","4","5","7","1","3","1") = "6"
    & skf21("4","4","4","5","7","1","4","1") = "6"
    & skf21("4","4","4","5","7","1","5","1") = "6"
    & skf21("4","4","4","5","7","1","6","1") = "6"
    & skf21("4","4","4","5","7","1","7","1") = "6"
    & skf21("4","4","4","5","7","2","1","1") = "6"
    & skf21("4","4","4","5","7","2","2","1") = "6"
    & skf21("4","4","4","5","7","2","3","1") = "6"
    & skf21("4","4","4","5","7","2","4","1") = "6"
    & skf21("4","4","4","5","7","2","5","1") = "6"
    & skf21("4","4","4","5","7","2","6","1") = "6"
    & skf21("4","4","4","5","7","2","7","1") = "6"
    & skf21("4","4","4","5","7","3","1","1") = "6"
    & skf21("4","4","4","5","7","3","2","1") = "6"
    & skf21("4","4","4","5","7","3","3","1") = "6"
    & skf21("4","4","4","5","7","3","4","1") = "6"
    & skf21("4","4","4","5","7","3","5","1") = "6"
    & skf21("4","4","4","5","7","3","6","1") = "6"
    & skf21("4","4","4","5","7","3","7","1") = "6"
    & skf21("4","4","4","5","7","4","1","1") = "6"
    & skf21("4","4","4","5","7","4","2","1") = "6"
    & skf21("4","4","4","5","7","4","3","1") = "6"
    & skf21("4","4","4","5","7","4","4","1") = "6"
    & skf21("4","4","4","5","7","4","5","1") = "6"
    & skf21("4","4","4","5","7","4","6","1") = "6"
    & skf21("4","4","4","5","7","4","7","1") = "6"
    & skf21("4","4","4","5","7","5","1","1") = "6"
    & skf21("4","4","4","5","7","5","2","1") = "6"
    & skf21("4","4","4","5","7","5","3","1") = "6"
    & skf21("4","4","4","5","7","5","4","1") = "6"
    & skf21("4","4","4","5","7","5","5","1") = "6"
    & skf21("4","4","4","5","7","5","6","1") = "6"
    & skf21("4","4","4","5","7","5","7","1") = "6"
    & skf21("4","4","4","5","7","6","1","1") = "6"
    & skf21("4","4","4","5","7","6","2","1") = "6"
    & skf21("4","4","4","5","7","6","3","1") = "6"
    & skf21("4","4","4","5","7","6","4","1") = "6"
    & skf21("4","4","4","5","7","6","5","1") = "6"
    & skf21("4","4","4","5","7","6","6","1") = "6"
    & skf21("4","4","4","5","7","6","7","1") = "6"
    & skf21("4","4","4","5","7","7","1","1") = "6"
    & skf21("4","4","4","5","7","7","2","1") = "6"
    & skf21("4","4","4","5","7","7","3","1") = "6"
    & skf21("4","4","4","5","7","7","4","1") = "6"
    & skf21("4","4","4","5","7","7","5","1") = "6"
    & skf21("4","4","4","5","7","7","6","1") = "6"
    & skf21("4","4","4","5","7","7","7","1") = "6"
    & skf21("4","4","4","6","1","1","1","1") = "5"
    & skf21("4","4","4","6","1","1","2","1") = "5"
    & skf21("4","4","4","6","1","1","3","1") = "5"
    & skf21("4","4","4","6","1","1","4","1") = "5"
    & skf21("4","4","4","6","1","1","5","1") = "5"
    & skf21("4","4","4","6","1","1","6","1") = "5"
    & skf21("4","4","4","6","1","1","7","1") = "6"
    & skf21("4","4","4","6","1","2","1","1") = "5"
    & skf21("4","4","4","6","1","2","2","1") = "5"
    & skf21("4","4","4","6","1","2","3","1") = "5"
    & skf21("4","4","4","6","1","2","4","1") = "5"
    & skf21("4","4","4","6","1","2","5","1") = "5"
    & skf21("4","4","4","6","1","2","6","1") = "5"
    & skf21("4","4","4","6","1","2","7","1") = "6"
    & skf21("4","4","4","6","1","3","1","1") = "5"
    & skf21("4","4","4","6","1","3","2","1") = "5"
    & skf21("4","4","4","6","1","3","3","1") = "5"
    & skf21("4","4","4","6","1","3","4","1") = "5"
    & skf21("4","4","4","6","1","3","5","1") = "5"
    & skf21("4","4","4","6","1","3","6","1") = "5"
    & skf21("4","4","4","6","1","3","7","1") = "6"
    & skf21("4","4","4","6","1","4","1","1") = "5"
    & skf21("4","4","4","6","1","4","2","1") = "5"
    & skf21("4","4","4","6","1","4","3","1") = "5"
    & skf21("4","4","4","6","1","4","4","1") = "5"
    & skf21("4","4","4","6","1","4","5","1") = "5"
    & skf21("4","4","4","6","1","4","6","1") = "5"
    & skf21("4","4","4","6","1","4","7","1") = "6"
    & skf21("4","4","4","6","1","5","1","1") = "5"
    & skf21("4","4","4","6","1","5","2","1") = "5"
    & skf21("4","4","4","6","1","5","3","1") = "5"
    & skf21("4","4","4","6","1","5","4","1") = "5"
    & skf21("4","4","4","6","1","5","5","1") = "5"
    & skf21("4","4","4","6","1","5","6","1") = "5"
    & skf21("4","4","4","6","1","5","7","1") = "6"
    & skf21("4","4","4","6","1","6","1","1") = "5"
    & skf21("4","4","4","6","1","6","2","1") = "5"
    & skf21("4","4","4","6","1","6","3","1") = "5"
    & skf21("4","4","4","6","1","6","4","1") = "5"
    & skf21("4","4","4","6","1","6","5","1") = "5"
    & skf21("4","4","4","6","1","6","6","1") = "5"
    & skf21("4","4","4","6","1","6","7","1") = "6"
    & skf21("4","4","4","6","1","7","1","1") = "6"
    & skf21("4","4","4","6","1","7","2","1") = "6"
    & skf21("4","4","4","6","1","7","3","1") = "6"
    & skf21("4","4","4","6","1","7","4","1") = "6"
    & skf21("4","4","4","6","1","7","5","1") = "6"
    & skf21("4","4","4","6","1","7","6","1") = "6"
    & skf21("4","4","4","6","1","7","7","1") = "6"
    & skf21("4","4","4","6","2","1","1","1") = "5"
    & skf21("4","4","4","6","2","1","2","1") = "5"
    & skf21("4","4","4","6","2","1","3","1") = "5"
    & skf21("4","4","4","6","2","1","4","1") = "5"
    & skf21("4","4","4","6","2","1","5","1") = "5"
    & skf21("4","4","4","6","2","1","6","1") = "5"
    & skf21("4","4","4","6","2","1","7","1") = "6"
    & skf21("4","4","4","6","2","2","1","1") = "5"
    & skf21("4","4","4","6","2","2","2","1") = "5"
    & skf21("4","4","4","6","2","2","3","1") = "5"
    & skf21("4","4","4","6","2","2","4","1") = "5"
    & skf21("4","4","4","6","2","2","5","1") = "5"
    & skf21("4","4","4","6","2","2","6","1") = "5"
    & skf21("4","4","4","6","2","2","7","1") = "6"
    & skf21("4","4","4","6","2","3","1","1") = "5"
    & skf21("4","4","4","6","2","3","2","1") = "5"
    & skf21("4","4","4","6","2","3","3","1") = "5"
    & skf21("4","4","4","6","2","3","4","1") = "5"
    & skf21("4","4","4","6","2","3","5","1") = "5"
    & skf21("4","4","4","6","2","3","6","1") = "5"
    & skf21("4","4","4","6","2","3","7","1") = "6"
    & skf21("4","4","4","6","2","4","1","1") = "5"
    & skf21("4","4","4","6","2","4","2","1") = "5"
    & skf21("4","4","4","6","2","4","3","1") = "5"
    & skf21("4","4","4","6","2","4","4","1") = "5"
    & skf21("4","4","4","6","2","4","5","1") = "5"
    & skf21("4","4","4","6","2","4","6","1") = "5"
    & skf21("4","4","4","6","2","4","7","1") = "6"
    & skf21("4","4","4","6","2","5","1","1") = "5"
    & skf21("4","4","4","6","2","5","2","1") = "5"
    & skf21("4","4","4","6","2","5","3","1") = "5"
    & skf21("4","4","4","6","2","5","4","1") = "5"
    & skf21("4","4","4","6","2","5","5","1") = "5"
    & skf21("4","4","4","6","2","5","6","1") = "5"
    & skf21("4","4","4","6","2","5","7","1") = "6"
    & skf21("4","4","4","6","2","6","1","1") = "5"
    & skf21("4","4","4","6","2","6","2","1") = "5"
    & skf21("4","4","4","6","2","6","3","1") = "5"
    & skf21("4","4","4","6","2","6","4","1") = "5"
    & skf21("4","4","4","6","2","6","5","1") = "5"
    & skf21("4","4","4","6","2","6","6","1") = "5"
    & skf21("4","4","4","6","2","6","7","1") = "6"
    & skf21("4","4","4","6","2","7","1","1") = "6"
    & skf21("4","4","4","6","2","7","2","1") = "6"
    & skf21("4","4","4","6","2","7","3","1") = "6"
    & skf21("4","4","4","6","2","7","4","1") = "6"
    & skf21("4","4","4","6","2","7","5","1") = "6"
    & skf21("4","4","4","6","2","7","6","1") = "6"
    & skf21("4","4","4","6","2","7","7","1") = "6"
    & skf21("4","4","4","6","3","1","1","1") = "5"
    & skf21("4","4","4","6","3","1","2","1") = "5"
    & skf21("4","4","4","6","3","1","3","1") = "5"
    & skf21("4","4","4","6","3","1","4","1") = "5"
    & skf21("4","4","4","6","3","1","5","1") = "5"
    & skf21("4","4","4","6","3","1","6","1") = "5"
    & skf21("4","4","4","6","3","1","7","1") = "6"
    & skf21("4","4","4","6","3","2","1","1") = "5"
    & skf21("4","4","4","6","3","2","2","1") = "5"
    & skf21("4","4","4","6","3","2","3","1") = "5"
    & skf21("4","4","4","6","3","2","4","1") = "5"
    & skf21("4","4","4","6","3","2","5","1") = "5"
    & skf21("4","4","4","6","3","2","6","1") = "5"
    & skf21("4","4","4","6","3","2","7","1") = "6"
    & skf21("4","4","4","6","3","3","1","1") = "5"
    & skf21("4","4","4","6","3","3","2","1") = "5"
    & skf21("4","4","4","6","3","3","3","1") = "5"
    & skf21("4","4","4","6","3","3","4","1") = "5"
    & skf21("4","4","4","6","3","3","5","1") = "5"
    & skf21("4","4","4","6","3","3","6","1") = "5"
    & skf21("4","4","4","6","3","3","7","1") = "6"
    & skf21("4","4","4","6","3","4","1","1") = "5"
    & skf21("4","4","4","6","3","4","2","1") = "5"
    & skf21("4","4","4","6","3","4","3","1") = "5"
    & skf21("4","4","4","6","3","4","4","1") = "5"
    & skf21("4","4","4","6","3","4","5","1") = "5"
    & skf21("4","4","4","6","3","4","6","1") = "5"
    & skf21("4","4","4","6","3","4","7","1") = "6"
    & skf21("4","4","4","6","3","5","1","1") = "5"
    & skf21("4","4","4","6","3","5","2","1") = "5"
    & skf21("4","4","4","6","3","5","3","1") = "5"
    & skf21("4","4","4","6","3","5","4","1") = "5"
    & skf21("4","4","4","6","3","5","5","1") = "5"
    & skf21("4","4","4","6","3","5","6","1") = "5"
    & skf21("4","4","4","6","3","5","7","1") = "6"
    & skf21("4","4","4","6","3","6","1","1") = "5"
    & skf21("4","4","4","6","3","6","2","1") = "5"
    & skf21("4","4","4","6","3","6","3","1") = "5"
    & skf21("4","4","4","6","3","6","4","1") = "5"
    & skf21("4","4","4","6","3","6","5","1") = "5"
    & skf21("4","4","4","6","3","6","6","1") = "5"
    & skf21("4","4","4","6","3","6","7","1") = "6"
    & skf21("4","4","4","6","3","7","1","1") = "6"
    & skf21("4","4","4","6","3","7","2","1") = "6"
    & skf21("4","4","4","6","3","7","3","1") = "6"
    & skf21("4","4","4","6","3","7","4","1") = "6"
    & skf21("4","4","4","6","3","7","5","1") = "6"
    & skf21("4","4","4","6","3","7","6","1") = "6"
    & skf21("4","4","4","6","3","7","7","1") = "6"
    & skf21("4","4","4","6","4","1","1","1") = "5"
    & skf21("4","4","4","6","4","1","2","1") = "5"
    & skf21("4","4","4","6","4","1","3","1") = "5"
    & skf21("4","4","4","6","4","1","4","1") = "5"
    & skf21("4","4","4","6","4","1","5","1") = "5"
    & skf21("4","4","4","6","4","1","6","1") = "5"
    & skf21("4","4","4","6","4","1","7","1") = "6"
    & skf21("4","4","4","6","4","2","1","1") = "5"
    & skf21("4","4","4","6","4","2","2","1") = "5"
    & skf21("4","4","4","6","4","2","3","1") = "5"
    & skf21("4","4","4","6","4","2","4","1") = "5"
    & skf21("4","4","4","6","4","2","5","1") = "5"
    & skf21("4","4","4","6","4","2","6","1") = "5"
    & skf21("4","4","4","6","4","2","7","1") = "6"
    & skf21("4","4","4","6","4","3","1","1") = "5"
    & skf21("4","4","4","6","4","3","2","1") = "5"
    & skf21("4","4","4","6","4","3","3","1") = "5"
    & skf21("4","4","4","6","4","3","4","1") = "5"
    & skf21("4","4","4","6","4","3","5","1") = "5"
    & skf21("4","4","4","6","4","3","6","1") = "5"
    & skf21("4","4","4","6","4","3","7","1") = "6"
    & skf21("4","4","4","6","4","4","1","1") = "5"
    & skf21("4","4","4","6","4","4","2","1") = "5"
    & skf21("4","4","4","6","4","4","3","1") = "5"
    & skf21("4","4","4","6","4","4","4","1") = "5"
    & skf21("4","4","4","6","4","4","5","1") = "5"
    & skf21("4","4","4","6","4","4","6","1") = "5"
    & skf21("4","4","4","6","4","4","7","1") = "6"
    & skf21("4","4","4","6","4","5","1","1") = "5"
    & skf21("4","4","4","6","4","5","2","1") = "5"
    & skf21("4","4","4","6","4","5","3","1") = "5"
    & skf21("4","4","4","6","4","5","4","1") = "5"
    & skf21("4","4","4","6","4","5","5","1") = "5"
    & skf21("4","4","4","6","4","5","6","1") = "5"
    & skf21("4","4","4","6","4","5","7","1") = "6"
    & skf21("4","4","4","6","4","6","1","1") = "5"
    & skf21("4","4","4","6","4","6","2","1") = "5"
    & skf21("4","4","4","6","4","6","3","1") = "5"
    & skf21("4","4","4","6","4","6","4","1") = "5"
    & skf21("4","4","4","6","4","6","5","1") = "5"
    & skf21("4","4","4","6","4","6","6","1") = "5"
    & skf21("4","4","4","6","4","6","7","1") = "6"
    & skf21("4","4","4","6","4","7","1","1") = "6"
    & skf21("4","4","4","6","4","7","2","1") = "6"
    & skf21("4","4","4","6","4","7","3","1") = "6"
    & skf21("4","4","4","6","4","7","4","1") = "6"
    & skf21("4","4","4","6","4","7","5","1") = "6"
    & skf21("4","4","4","6","4","7","6","1") = "6"
    & skf21("4","4","4","6","4","7","7","1") = "6"
    & skf21("4","4","4","6","5","1","1","1") = "5"
    & skf21("4","4","4","6","5","1","2","1") = "5"
    & skf21("4","4","4","6","5","1","3","1") = "5"
    & skf21("4","4","4","6","5","1","4","1") = "5"
    & skf21("4","4","4","6","5","1","5","1") = "5"
    & skf21("4","4","4","6","5","1","6","1") = "5"
    & skf21("4","4","4","6","5","1","7","1") = "6"
    & skf21("4","4","4","6","5","2","1","1") = "5"
    & skf21("4","4","4","6","5","2","2","1") = "5"
    & skf21("4","4","4","6","5","2","3","1") = "5"
    & skf21("4","4","4","6","5","2","4","1") = "5"
    & skf21("4","4","4","6","5","2","5","1") = "5"
    & skf21("4","4","4","6","5","2","6","1") = "5"
    & skf21("4","4","4","6","5","2","7","1") = "6"
    & skf21("4","4","4","6","5","3","1","1") = "5"
    & skf21("4","4","4","6","5","3","2","1") = "5"
    & skf21("4","4","4","6","5","3","3","1") = "5"
    & skf21("4","4","4","6","5","3","4","1") = "5"
    & skf21("4","4","4","6","5","3","5","1") = "5"
    & skf21("4","4","4","6","5","3","6","1") = "5"
    & skf21("4","4","4","6","5","3","7","1") = "6"
    & skf21("4","4","4","6","5","4","1","1") = "5"
    & skf21("4","4","4","6","5","4","2","1") = "5"
    & skf21("4","4","4","6","5","4","3","1") = "5"
    & skf21("4","4","4","6","5","4","4","1") = "5"
    & skf21("4","4","4","6","5","4","5","1") = "5"
    & skf21("4","4","4","6","5","4","6","1") = "5"
    & skf21("4","4","4","6","5","4","7","1") = "6"
    & skf21("4","4","4","6","5","5","1","1") = "5"
    & skf21("4","4","4","6","5","5","2","1") = "5"
    & skf21("4","4","4","6","5","5","3","1") = "5"
    & skf21("4","4","4","6","5","5","4","1") = "5"
    & skf21("4","4","4","6","5","5","5","1") = "5"
    & skf21("4","4","4","6","5","5","6","1") = "5"
    & skf21("4","4","4","6","5","5","7","1") = "6"
    & skf21("4","4","4","6","5","6","1","1") = "5"
    & skf21("4","4","4","6","5","6","2","1") = "5"
    & skf21("4","4","4","6","5","6","3","1") = "5"
    & skf21("4","4","4","6","5","6","4","1") = "5"
    & skf21("4","4","4","6","5","6","5","1") = "5"
    & skf21("4","4","4","6","5","6","6","1") = "5"
    & skf21("4","4","4","6","5","6","7","1") = "6"
    & skf21("4","4","4","6","5","7","1","1") = "6"
    & skf21("4","4","4","6","5","7","2","1") = "6"
    & skf21("4","4","4","6","5","7","3","1") = "6"
    & skf21("4","4","4","6","5","7","4","1") = "6"
    & skf21("4","4","4","6","5","7","5","1") = "6"
    & skf21("4","4","4","6","5","7","6","1") = "6"
    & skf21("4","4","4","6","5","7","7","1") = "6"
    & skf21("4","4","4","6","6","1","1","1") = "5"
    & skf21("4","4","4","6","6","1","2","1") = "5"
    & skf21("4","4","4","6","6","1","3","1") = "5"
    & skf21("4","4","4","6","6","1","4","1") = "5"
    & skf21("4","4","4","6","6","1","5","1") = "5"
    & skf21("4","4","4","6","6","1","6","1") = "5"
    & skf21("4","4","4","6","6","1","7","1") = "6"
    & skf21("4","4","4","6","6","2","1","1") = "5"
    & skf21("4","4","4","6","6","2","2","1") = "5"
    & skf21("4","4","4","6","6","2","3","1") = "5"
    & skf21("4","4","4","6","6","2","4","1") = "5"
    & skf21("4","4","4","6","6","2","5","1") = "5"
    & skf21("4","4","4","6","6","2","6","1") = "5"
    & skf21("4","4","4","6","6","2","7","1") = "6"
    & skf21("4","4","4","6","6","3","1","1") = "5"
    & skf21("4","4","4","6","6","3","2","1") = "5"
    & skf21("4","4","4","6","6","3","3","1") = "5"
    & skf21("4","4","4","6","6","3","4","1") = "5"
    & skf21("4","4","4","6","6","3","5","1") = "5"
    & skf21("4","4","4","6","6","3","6","1") = "5"
    & skf21("4","4","4","6","6","3","7","1") = "6"
    & skf21("4","4","4","6","6","4","1","1") = "5"
    & skf21("4","4","4","6","6","4","2","1") = "5"
    & skf21("4","4","4","6","6","4","3","1") = "5"
    & skf21("4","4","4","6","6","4","4","1") = "5"
    & skf21("4","4","4","6","6","4","5","1") = "5"
    & skf21("4","4","4","6","6","4","6","1") = "5"
    & skf21("4","4","4","6","6","4","7","1") = "6"
    & skf21("4","4","4","6","6","5","1","1") = "5"
    & skf21("4","4","4","6","6","5","2","1") = "5"
    & skf21("4","4","4","6","6","5","3","1") = "5"
    & skf21("4","4","4","6","6","5","4","1") = "5"
    & skf21("4","4","4","6","6","5","5","1") = "5"
    & skf21("4","4","4","6","6","5","6","1") = "5"
    & skf21("4","4","4","6","6","5","7","1") = "6"
    & skf21("4","4","4","6","6","6","1","1") = "5"
    & skf21("4","4","4","6","6","6","2","1") = "5"
    & skf21("4","4","4","6","6","6","3","1") = "5"
    & skf21("4","4","4","6","6","6","4","1") = "5"
    & skf21("4","4","4","6","6","6","5","1") = "5"
    & skf21("4","4","4","6","6","6","6","1") = "5"
    & skf21("4","4","4","6","6","6","7","1") = "6"
    & skf21("4","4","4","6","6","7","1","1") = "6"
    & skf21("4","4","4","6","6","7","2","1") = "6"
    & skf21("4","4","4","6","6","7","3","1") = "6"
    & skf21("4","4","4","6","6","7","4","1") = "6"
    & skf21("4","4","4","6","6","7","5","1") = "6"
    & skf21("4","4","4","6","6","7","6","1") = "6"
    & skf21("4","4","4","6","6","7","7","1") = "6"
    & skf21("4","4","4","6","7","1","1","1") = "6"
    & skf21("4","4","4","6","7","1","2","1") = "6"
    & skf21("4","4","4","6","7","1","3","1") = "6"
    & skf21("4","4","4","6","7","1","4","1") = "6"
    & skf21("4","4","4","6","7","1","5","1") = "6"
    & skf21("4","4","4","6","7","1","6","1") = "6"
    & skf21("4","4","4","6","7","1","7","1") = "6"
    & skf21("4","4","4","6","7","2","1","1") = "6"
    & skf21("4","4","4","6","7","2","2","1") = "6"
    & skf21("4","4","4","6","7","2","3","1") = "6"
    & skf21("4","4","4","6","7","2","4","1") = "6"
    & skf21("4","4","4","6","7","2","5","1") = "6"
    & skf21("4","4","4","6","7","2","6","1") = "6"
    & skf21("4","4","4","6","7","2","7","1") = "6"
    & skf21("4","4","4","6","7","3","1","1") = "6"
    & skf21("4","4","4","6","7","3","2","1") = "6"
    & skf21("4","4","4","6","7","3","3","1") = "6"
    & skf21("4","4","4","6","7","3","4","1") = "6"
    & skf21("4","4","4","6","7","3","5","1") = "6"
    & skf21("4","4","4","6","7","3","6","1") = "6"
    & skf21("4","4","4","6","7","3","7","1") = "6"
    & skf21("4","4","4","6","7","4","1","1") = "6"
    & skf21("4","4","4","6","7","4","2","1") = "6"
    & skf21("4","4","4","6","7","4","3","1") = "6"
    & skf21("4","4","4","6","7","4","4","1") = "6"
    & skf21("4","4","4","6","7","4","5","1") = "6"
    & skf21("4","4","4","6","7","4","6","1") = "6"
    & skf21("4","4","4","6","7","4","7","1") = "6"
    & skf21("4","4","4","6","7","5","1","1") = "6"
    & skf21("4","4","4","6","7","5","2","1") = "6"
    & skf21("4","4","4","6","7","5","3","1") = "6"
    & skf21("4","4","4","6","7","5","4","1") = "6"
    & skf21("4","4","4","6","7","5","5","1") = "6"
    & skf21("4","4","4","6","7","5","6","1") = "6"
    & skf21("4","4","4","6","7","5","7","1") = "6"
    & skf21("4","4","4","6","7","6","1","1") = "6"
    & skf21("4","4","4","6","7","6","2","1") = "6"
    & skf21("4","4","4","6","7","6","3","1") = "6"
    & skf21("4","4","4","6","7","6","4","1") = "6"
    & skf21("4","4","4","6","7","6","5","1") = "6"
    & skf21("4","4","4","6","7","6","6","1") = "6"
    & skf21("4","4","4","6","7","6","7","1") = "6"
    & skf21("4","4","4","6","7","7","1","1") = "6"
    & skf21("4","4","4","6","7","7","2","1") = "6"
    & skf21("4","4","4","6","7","7","3","1") = "6"
    & skf21("4","4","4","6","7","7","4","1") = "6"
    & skf21("4","4","4","6","7","7","5","1") = "6"
    & skf21("4","4","4","6","7","7","6","1") = "6"
    & skf21("4","4","4","6","7","7","7","1") = "6"
    & skf21("4","4","4","7","1","1","1","1") = "6"
    & skf21("4","4","4","7","1","1","2","1") = "6"
    & skf21("4","4","4","7","1","1","3","1") = "6"
    & skf21("4","4","4","7","1","1","4","1") = "6"
    & skf21("4","4","4","7","1","1","5","1") = "6"
    & skf21("4","4","4","7","1","1","6","1") = "6"
    & skf21("4","4","4","7","1","1","7","1") = "6"
    & skf21("4","4","4","7","1","2","1","1") = "6"
    & skf21("4","4","4","7","1","2","2","1") = "6"
    & skf21("4","4","4","7","1","2","3","1") = "6"
    & skf21("4","4","4","7","1","2","4","1") = "6"
    & skf21("4","4","4","7","1","2","5","1") = "6"
    & skf21("4","4","4","7","1","2","6","1") = "6"
    & skf21("4","4","4","7","1","2","7","1") = "6"
    & skf21("4","4","4","7","1","3","1","1") = "6"
    & skf21("4","4","4","7","1","3","2","1") = "6"
    & skf21("4","4","4","7","1","3","3","1") = "6"
    & skf21("4","4","4","7","1","3","4","1") = "6"
    & skf21("4","4","4","7","1","3","5","1") = "6"
    & skf21("4","4","4","7","1","3","6","1") = "6"
    & skf21("4","4","4","7","1","3","7","1") = "6"
    & skf21("4","4","4","7","1","4","1","1") = "6"
    & skf21("4","4","4","7","1","4","2","1") = "6"
    & skf21("4","4","4","7","1","4","3","1") = "6"
    & skf21("4","4","4","7","1","4","4","1") = "6"
    & skf21("4","4","4","7","1","4","5","1") = "6"
    & skf21("4","4","4","7","1","4","6","1") = "6"
    & skf21("4","4","4","7","1","4","7","1") = "6"
    & skf21("4","4","4","7","1","5","1","1") = "6"
    & skf21("4","4","4","7","1","5","2","1") = "6"
    & skf21("4","4","4","7","1","5","3","1") = "6"
    & skf21("4","4","4","7","1","5","4","1") = "6"
    & skf21("4","4","4","7","1","5","5","1") = "6"
    & skf21("4","4","4","7","1","5","6","1") = "6"
    & skf21("4","4","4","7","1","5","7","1") = "6"
    & skf21("4","4","4","7","1","6","1","1") = "6"
    & skf21("4","4","4","7","1","6","2","1") = "6"
    & skf21("4","4","4","7","1","6","3","1") = "6"
    & skf21("4","4","4","7","1","6","4","1") = "6"
    & skf21("4","4","4","7","1","6","5","1") = "6"
    & skf21("4","4","4","7","1","6","6","1") = "6"
    & skf21("4","4","4","7","1","6","7","1") = "6"
    & skf21("4","4","4","7","1","7","1","1") = "6"
    & skf21("4","4","4","7","1","7","2","1") = "6"
    & skf21("4","4","4","7","1","7","3","1") = "6"
    & skf21("4","4","4","7","1","7","4","1") = "6"
    & skf21("4","4","4","7","1","7","5","1") = "6"
    & skf21("4","4","4","7","1","7","6","1") = "6"
    & skf21("4","4","4","7","1","7","7","1") = "6"
    & skf21("4","4","4","7","2","1","1","1") = "6"
    & skf21("4","4","4","7","2","1","2","1") = "6"
    & skf21("4","4","4","7","2","1","3","1") = "6"
    & skf21("4","4","4","7","2","1","4","1") = "6"
    & skf21("4","4","4","7","2","1","5","1") = "6"
    & skf21("4","4","4","7","2","1","6","1") = "6"
    & skf21("4","4","4","7","2","1","7","1") = "6"
    & skf21("4","4","4","7","2","2","1","1") = "6"
    & skf21("4","4","4","7","2","2","2","1") = "6"
    & skf21("4","4","4","7","2","2","3","1") = "6"
    & skf21("4","4","4","7","2","2","4","1") = "6"
    & skf21("4","4","4","7","2","2","5","1") = "6"
    & skf21("4","4","4","7","2","2","6","1") = "6"
    & skf21("4","4","4","7","2","2","7","1") = "6"
    & skf21("4","4","4","7","2","3","1","1") = "6"
    & skf21("4","4","4","7","2","3","2","1") = "6"
    & skf21("4","4","4","7","2","3","3","1") = "6"
    & skf21("4","4","4","7","2","3","4","1") = "6"
    & skf21("4","4","4","7","2","3","5","1") = "6"
    & skf21("4","4","4","7","2","3","6","1") = "6"
    & skf21("4","4","4","7","2","3","7","1") = "6"
    & skf21("4","4","4","7","2","4","1","1") = "6"
    & skf21("4","4","4","7","2","4","2","1") = "6"
    & skf21("4","4","4","7","2","4","3","1") = "6"
    & skf21("4","4","4","7","2","4","4","1") = "6"
    & skf21("4","4","4","7","2","4","5","1") = "6"
    & skf21("4","4","4","7","2","4","6","1") = "6"
    & skf21("4","4","4","7","2","4","7","1") = "6"
    & skf21("4","4","4","7","2","5","1","1") = "6"
    & skf21("4","4","4","7","2","5","2","1") = "6"
    & skf21("4","4","4","7","2","5","3","1") = "6"
    & skf21("4","4","4","7","2","5","4","1") = "6"
    & skf21("4","4","4","7","2","5","5","1") = "6"
    & skf21("4","4","4","7","2","5","6","1") = "6"
    & skf21("4","4","4","7","2","5","7","1") = "6"
    & skf21("4","4","4","7","2","6","1","1") = "6"
    & skf21("4","4","4","7","2","6","2","1") = "6"
    & skf21("4","4","4","7","2","6","3","1") = "6"
    & skf21("4","4","4","7","2","6","4","1") = "6"
    & skf21("4","4","4","7","2","6","5","1") = "6"
    & skf21("4","4","4","7","2","6","6","1") = "6"
    & skf21("4","4","4","7","2","6","7","1") = "6"
    & skf21("4","4","4","7","2","7","1","1") = "6"
    & skf21("4","4","4","7","2","7","2","1") = "6"
    & skf21("4","4","4","7","2","7","3","1") = "6"
    & skf21("4","4","4","7","2","7","4","1") = "6"
    & skf21("4","4","4","7","2","7","5","1") = "6"
    & skf21("4","4","4","7","2","7","6","1") = "6"
    & skf21("4","4","4","7","2","7","7","1") = "6"
    & skf21("4","4","4","7","3","1","1","1") = "6"
    & skf21("4","4","4","7","3","1","2","1") = "6"
    & skf21("4","4","4","7","3","1","3","1") = "6"
    & skf21("4","4","4","7","3","1","4","1") = "6"
    & skf21("4","4","4","7","3","1","5","1") = "6"
    & skf21("4","4","4","7","3","1","6","1") = "6"
    & skf21("4","4","4","7","3","1","7","1") = "6"
    & skf21("4","4","4","7","3","2","1","1") = "6"
    & skf21("4","4","4","7","3","2","2","1") = "6"
    & skf21("4","4","4","7","3","2","3","1") = "6"
    & skf21("4","4","4","7","3","2","4","1") = "6"
    & skf21("4","4","4","7","3","2","5","1") = "6"
    & skf21("4","4","4","7","3","2","6","1") = "6"
    & skf21("4","4","4","7","3","2","7","1") = "6"
    & skf21("4","4","4","7","3","3","1","1") = "6"
    & skf21("4","4","4","7","3","3","2","1") = "6"
    & skf21("4","4","4","7","3","3","3","1") = "6"
    & skf21("4","4","4","7","3","3","4","1") = "6"
    & skf21("4","4","4","7","3","3","5","1") = "6"
    & skf21("4","4","4","7","3","3","6","1") = "6"
    & skf21("4","4","4","7","3","3","7","1") = "6"
    & skf21("4","4","4","7","3","4","1","1") = "6"
    & skf21("4","4","4","7","3","4","2","1") = "6"
    & skf21("4","4","4","7","3","4","3","1") = "6"
    & skf21("4","4","4","7","3","4","4","1") = "6"
    & skf21("4","4","4","7","3","4","5","1") = "6"
    & skf21("4","4","4","7","3","4","6","1") = "6"
    & skf21("4","4","4","7","3","4","7","1") = "6"
    & skf21("4","4","4","7","3","5","1","1") = "6"
    & skf21("4","4","4","7","3","5","2","1") = "6"
    & skf21("4","4","4","7","3","5","3","1") = "6"
    & skf21("4","4","4","7","3","5","4","1") = "6"
    & skf21("4","4","4","7","3","5","5","1") = "6"
    & skf21("4","4","4","7","3","5","6","1") = "6"
    & skf21("4","4","4","7","3","5","7","1") = "6"
    & skf21("4","4","4","7","3","6","1","1") = "6"
    & skf21("4","4","4","7","3","6","2","1") = "6"
    & skf21("4","4","4","7","3","6","3","1") = "6"
    & skf21("4","4","4","7","3","6","4","1") = "6"
    & skf21("4","4","4","7","3","6","5","1") = "6"
    & skf21("4","4","4","7","3","6","6","1") = "6"
    & skf21("4","4","4","7","3","6","7","1") = "6"
    & skf21("4","4","4","7","3","7","1","1") = "6"
    & skf21("4","4","4","7","3","7","2","1") = "6"
    & skf21("4","4","4","7","3","7","3","1") = "6"
    & skf21("4","4","4","7","3","7","4","1") = "6"
    & skf21("4","4","4","7","3","7","5","1") = "6"
    & skf21("4","4","4","7","3","7","6","1") = "6"
    & skf21("4","4","4","7","3","7","7","1") = "6"
    & skf21("4","4","4","7","4","1","1","1") = "6"
    & skf21("4","4","4","7","4","1","2","1") = "6"
    & skf21("4","4","4","7","4","1","3","1") = "6"
    & skf21("4","4","4","7","4","1","4","1") = "6"
    & skf21("4","4","4","7","4","1","5","1") = "6"
    & skf21("4","4","4","7","4","1","6","1") = "6"
    & skf21("4","4","4","7","4","1","7","1") = "6"
    & skf21("4","4","4","7","4","2","1","1") = "6"
    & skf21("4","4","4","7","4","2","2","1") = "6"
    & skf21("4","4","4","7","4","2","3","1") = "6"
    & skf21("4","4","4","7","4","2","4","1") = "6"
    & skf21("4","4","4","7","4","2","5","1") = "6"
    & skf21("4","4","4","7","4","2","6","1") = "6"
    & skf21("4","4","4","7","4","2","7","1") = "6"
    & skf21("4","4","4","7","4","3","1","1") = "6"
    & skf21("4","4","4","7","4","3","2","1") = "6"
    & skf21("4","4","4","7","4","3","3","1") = "6"
    & skf21("4","4","4","7","4","3","4","1") = "6"
    & skf21("4","4","4","7","4","3","5","1") = "6"
    & skf21("4","4","4","7","4","3","6","1") = "6"
    & skf21("4","4","4","7","4","3","7","1") = "6"
    & skf21("4","4","4","7","4","4","1","1") = "6"
    & skf21("4","4","4","7","4","4","2","1") = "6"
    & skf21("4","4","4","7","4","4","3","1") = "6"
    & skf21("4","4","4","7","4","4","4","1") = "6"
    & skf21("4","4","4","7","4","4","5","1") = "6"
    & skf21("4","4","4","7","4","4","6","1") = "6"
    & skf21("4","4","4","7","4","4","7","1") = "6"
    & skf21("4","4","4","7","4","5","1","1") = "6"
    & skf21("4","4","4","7","4","5","2","1") = "6"
    & skf21("4","4","4","7","4","5","3","1") = "6"
    & skf21("4","4","4","7","4","5","4","1") = "6"
    & skf21("4","4","4","7","4","5","5","1") = "6"
    & skf21("4","4","4","7","4","5","6","1") = "6"
    & skf21("4","4","4","7","4","5","7","1") = "6"
    & skf21("4","4","4","7","4","6","1","1") = "6"
    & skf21("4","4","4","7","4","6","2","1") = "6"
    & skf21("4","4","4","7","4","6","3","1") = "6"
    & skf21("4","4","4","7","4","6","4","1") = "6"
    & skf21("4","4","4","7","4","6","5","1") = "6"
    & skf21("4","4","4","7","4","6","6","1") = "6"
    & skf21("4","4","4","7","4","6","7","1") = "6"
    & skf21("4","4","4","7","4","7","1","1") = "6"
    & skf21("4","4","4","7","4","7","2","1") = "6"
    & skf21("4","4","4","7","4","7","3","1") = "6"
    & skf21("4","4","4","7","4","7","4","1") = "6"
    & skf21("4","4","4","7","4","7","5","1") = "6"
    & skf21("4","4","4","7","4","7","6","1") = "6"
    & skf21("4","4","4","7","4","7","7","1") = "6"
    & skf21("4","4","4","7","5","1","1","1") = "6"
    & skf21("4","4","4","7","5","1","2","1") = "6"
    & skf21("4","4","4","7","5","1","3","1") = "6"
    & skf21("4","4","4","7","5","1","4","1") = "6"
    & skf21("4","4","4","7","5","1","5","1") = "6"
    & skf21("4","4","4","7","5","1","6","1") = "6"
    & skf21("4","4","4","7","5","1","7","1") = "6"
    & skf21("4","4","4","7","5","2","1","1") = "6"
    & skf21("4","4","4","7","5","2","2","1") = "6"
    & skf21("4","4","4","7","5","2","3","1") = "6"
    & skf21("4","4","4","7","5","2","4","1") = "6"
    & skf21("4","4","4","7","5","2","5","1") = "6"
    & skf21("4","4","4","7","5","2","6","1") = "6"
    & skf21("4","4","4","7","5","2","7","1") = "6"
    & skf21("4","4","4","7","5","3","1","1") = "6"
    & skf21("4","4","4","7","5","3","2","1") = "6"
    & skf21("4","4","4","7","5","3","3","1") = "6"
    & skf21("4","4","4","7","5","3","4","1") = "6"
    & skf21("4","4","4","7","5","3","5","1") = "6"
    & skf21("4","4","4","7","5","3","6","1") = "6"
    & skf21("4","4","4","7","5","3","7","1") = "6"
    & skf21("4","4","4","7","5","4","1","1") = "6"
    & skf21("4","4","4","7","5","4","2","1") = "6"
    & skf21("4","4","4","7","5","4","3","1") = "6"
    & skf21("4","4","4","7","5","4","4","1") = "6"
    & skf21("4","4","4","7","5","4","5","1") = "6"
    & skf21("4","4","4","7","5","4","6","1") = "6"
    & skf21("4","4","4","7","5","4","7","1") = "6"
    & skf21("4","4","4","7","5","5","1","1") = "6"
    & skf21("4","4","4","7","5","5","2","1") = "6"
    & skf21("4","4","4","7","5","5","3","1") = "6"
    & skf21("4","4","4","7","5","5","4","1") = "6"
    & skf21("4","4","4","7","5","5","5","1") = "6"
    & skf21("4","4","4","7","5","5","6","1") = "6"
    & skf21("4","4","4","7","5","5","7","1") = "6"
    & skf21("4","4","4","7","5","6","1","1") = "6"
    & skf21("4","4","4","7","5","6","2","1") = "6"
    & skf21("4","4","4","7","5","6","3","1") = "6"
    & skf21("4","4","4","7","5","6","4","1") = "6"
    & skf21("4","4","4","7","5","6","5","1") = "6"
    & skf21("4","4","4","7","5","6","6","1") = "6"
    & skf21("4","4","4","7","5","6","7","1") = "6"
    & skf21("4","4","4","7","5","7","1","1") = "6"
    & skf21("4","4","4","7","5","7","2","1") = "6"
    & skf21("4","4","4","7","5","7","3","1") = "6"
    & skf21("4","4","4","7","5","7","4","1") = "6"
    & skf21("4","4","4","7","5","7","5","1") = "6"
    & skf21("4","4","4","7","5","7","6","1") = "6"
    & skf21("4","4","4","7","5","7","7","1") = "6"
    & skf21("4","4","4","7","6","1","1","1") = "6"
    & skf21("4","4","4","7","6","1","2","1") = "6"
    & skf21("4","4","4","7","6","1","3","1") = "6"
    & skf21("4","4","4","7","6","1","4","1") = "6"
    & skf21("4","4","4","7","6","1","5","1") = "6"
    & skf21("4","4","4","7","6","1","6","1") = "6"
    & skf21("4","4","4","7","6","1","7","1") = "6"
    & skf21("4","4","4","7","6","2","1","1") = "6"
    & skf21("4","4","4","7","6","2","2","1") = "6"
    & skf21("4","4","4","7","6","2","3","1") = "6"
    & skf21("4","4","4","7","6","2","4","1") = "6"
    & skf21("4","4","4","7","6","2","5","1") = "6"
    & skf21("4","4","4","7","6","2","6","1") = "6"
    & skf21("4","4","4","7","6","2","7","1") = "6"
    & skf21("4","4","4","7","6","3","1","1") = "6"
    & skf21("4","4","4","7","6","3","2","1") = "6"
    & skf21("4","4","4","7","6","3","3","1") = "6"
    & skf21("4","4","4","7","6","3","4","1") = "6"
    & skf21("4","4","4","7","6","3","5","1") = "6"
    & skf21("4","4","4","7","6","3","6","1") = "6"
    & skf21("4","4","4","7","6","3","7","1") = "6"
    & skf21("4","4","4","7","6","4","1","1") = "6"
    & skf21("4","4","4","7","6","4","2","1") = "6"
    & skf21("4","4","4","7","6","4","3","1") = "6"
    & skf21("4","4","4","7","6","4","4","1") = "6"
    & skf21("4","4","4","7","6","4","5","1") = "6"
    & skf21("4","4","4","7","6","4","6","1") = "6"
    & skf21("4","4","4","7","6","4","7","1") = "6"
    & skf21("4","4","4","7","6","5","1","1") = "6"
    & skf21("4","4","4","7","6","5","2","1") = "6"
    & skf21("4","4","4","7","6","5","3","1") = "6"
    & skf21("4","4","4","7","6","5","4","1") = "6"
    & skf21("4","4","4","7","6","5","5","1") = "6"
    & skf21("4","4","4","7","6","5","6","1") = "6"
    & skf21("4","4","4","7","6","5","7","1") = "6"
    & skf21("4","4","4","7","6","6","1","1") = "6"
    & skf21("4","4","4","7","6","6","2","1") = "6"
    & skf21("4","4","4","7","6","6","3","1") = "6"
    & skf21("4","4","4","7","6","6","4","1") = "6"
    & skf21("4","4","4","7","6","6","5","1") = "6"
    & skf21("4","4","4","7","6","6","6","1") = "6"
    & skf21("4","4","4","7","6","6","7","1") = "6"
    & skf21("4","4","4","7","6","7","1","1") = "6"
    & skf21("4","4","4","7","6","7","2","1") = "6"
    & skf21("4","4","4","7","6","7","3","1") = "6"
    & skf21("4","4","4","7","6","7","4","1") = "6"
    & skf21("4","4","4","7","6","7","5","1") = "6"
    & skf21("4","4","4","7","6","7","6","1") = "6"
    & skf21("4","4","4","7","6","7","7","1") = "6"
    & skf21("4","4","4","7","7","1","1","1") = "6"
    & skf21("4","4","4","7","7","1","2","1") = "6"
    & skf21("4","4","4","7","7","1","3","1") = "6"
    & skf21("4","4","4","7","7","1","4","1") = "6"
    & skf21("4","4","4","7","7","1","5","1") = "6"
    & skf21("4","4","4","7","7","1","6","1") = "6"
    & skf21("4","4","4","7","7","1","7","1") = "6"
    & skf21("4","4","4","7","7","2","1","1") = "6"
    & skf21("4","4","4","7","7","2","2","1") = "6"
    & skf21("4","4","4","7","7","2","3","1") = "6"
    & skf21("4","4","4","7","7","2","4","1") = "6"
    & skf21("4","4","4","7","7","2","5","1") = "6"
    & skf21("4","4","4","7","7","2","6","1") = "6"
    & skf21("4","4","4","7","7","2","7","1") = "6"
    & skf21("4","4","4","7","7","3","1","1") = "6"
    & skf21("4","4","4","7","7","3","2","1") = "6"
    & skf21("4","4","4","7","7","3","3","1") = "6"
    & skf21("4","4","4","7","7","3","4","1") = "6"
    & skf21("4","4","4","7","7","3","5","1") = "6"
    & skf21("4","4","4","7","7","3","6","1") = "6"
    & skf21("4","4","4","7","7","3","7","1") = "6"
    & skf21("4","4","4","7","7","4","1","1") = "6"
    & skf21("4","4","4","7","7","4","2","1") = "6"
    & skf21("4","4","4","7","7","4","3","1") = "6"
    & skf21("4","4","4","7","7","4","4","1") = "6"
    & skf21("4","4","4","7","7","4","5","1") = "6"
    & skf21("4","4","4","7","7","4","6","1") = "6"
    & skf21("4","4","4","7","7","4","7","1") = "6"
    & skf21("4","4","4","7","7","5","1","1") = "6"
    & skf21("4","4","4","7","7","5","2","1") = "6"
    & skf21("4","4","4","7","7","5","3","1") = "6"
    & skf21("4","4","4","7","7","5","4","1") = "6"
    & skf21("4","4","4","7","7","5","5","1") = "6"
    & skf21("4","4","4","7","7","5","6","1") = "6"
    & skf21("4","4","4","7","7","5","7","1") = "6"
    & skf21("4","4","4","7","7","6","1","1") = "6"
    & skf21("4","4","4","7","7","6","2","1") = "6"
    & skf21("4","4","4","7","7","6","3","1") = "6"
    & skf21("4","4","4","7","7","6","4","1") = "6"
    & skf21("4","4","4","7","7","6","5","1") = "6"
    & skf21("4","4","4","7","7","6","6","1") = "6"
    & skf21("4","4","4","7","7","6","7","1") = "6"
    & skf21("4","4","4","7","7","7","1","1") = "6"
    & skf21("4","4","4","7","7","7","2","1") = "6"
    & skf21("4","4","4","7","7","7","3","1") = "6"
    & skf21("4","4","4","7","7","7","4","1") = "6"
    & skf21("4","4","4","7","7","7","5","1") = "6"
    & skf21("4","4","4","7","7","7","6","1") = "6"
    & skf21("4","4","4","7","7","7","7","1") = "6"
    & skf21("4","4","5","1","1","1","1","1") = "4"
    & skf21("4","4","5","1","1","1","2","1") = "4"
    & skf21("4","4","5","1","1","1","3","1") = "4"
    & skf21("4","4","5","1","1","1","4","1") = "4"
    & skf21("4","4","5","1","1","1","5","1") = "4"
    & skf21("4","4","5","1","1","1","6","1") = "5"
    & skf21("4","4","5","1","1","1","7","1") = "6"
    & skf21("4","4","5","1","1","2","1","1") = "4"
    & skf21("4","4","5","1","1","2","2","1") = "4"
    & skf21("4","4","5","1","1","2","3","1") = "4"
    & skf21("4","4","5","1","1","2","4","1") = "4"
    & skf21("4","4","5","1","1","2","5","1") = "4"
    & skf21("4","4","5","1","1","2","6","1") = "5"
    & skf21("4","4","5","1","1","2","7","1") = "6"
    & skf21("4","4","5","1","1","3","1","1") = "4"
    & skf21("4","4","5","1","1","3","2","1") = "4"
    & skf21("4","4","5","1","1","3","3","1") = "4"
    & skf21("4","4","5","1","1","3","4","1") = "4"
    & skf21("4","4","5","1","1","3","5","1") = "4"
    & skf21("4","4","5","1","1","3","6","1") = "5"
    & skf21("4","4","5","1","1","3","7","1") = "6"
    & skf21("4","4","5","1","1","4","1","1") = "4"
    & skf21("4","4","5","1","1","4","2","1") = "4"
    & skf21("4","4","5","1","1","4","3","1") = "4"
    & skf21("4","4","5","1","1","4","4","1") = "4"
    & skf21("4","4","5","1","1","4","5","1") = "4"
    & skf21("4","4","5","1","1","4","6","1") = "5"
    & skf21("4","4","5","1","1","4","7","1") = "6"
    & skf21("4","4","5","1","1","5","1","1") = "4"
    & skf21("4","4","5","1","1","5","2","1") = "4"
    & skf21("4","4","5","1","1","5","3","1") = "4"
    & skf21("4","4","5","1","1","5","4","1") = "4"
    & skf21("4","4","5","1","1","5","5","1") = "4"
    & skf21("4","4","5","1","1","5","6","1") = "5"
    & skf21("4","4","5","1","1","5","7","1") = "6"
    & skf21("4","4","5","1","1","6","1","1") = "5"
    & skf21("4","4","5","1","1","6","2","1") = "5"
    & skf21("4","4","5","1","1","6","3","1") = "5"
    & skf21("4","4","5","1","1","6","4","1") = "5"
    & skf21("4","4","5","1","1","6","5","1") = "5"
    & skf21("4","4","5","1","1","6","6","1") = "5"
    & skf21("4","4","5","1","1","6","7","1") = "6"
    & skf21("4","4","5","1","1","7","1","1") = "6"
    & skf21("4","4","5","1","1","7","2","1") = "6"
    & skf21("4","4","5","1","1","7","3","1") = "6"
    & skf21("4","4","5","1","1","7","4","1") = "6"
    & skf21("4","4","5","1","1","7","5","1") = "6"
    & skf21("4","4","5","1","1","7","6","1") = "6"
    & skf21("4","4","5","1","1","7","7","1") = "6"
    & skf21("4","4","5","1","2","1","1","1") = "4"
    & skf21("4","4","5","1","2","1","2","1") = "4"
    & skf21("4","4","5","1","2","1","3","1") = "4"
    & skf21("4","4","5","1","2","1","4","1") = "4"
    & skf21("4","4","5","1","2","1","5","1") = "4"
    & skf21("4","4","5","1","2","1","6","1") = "5"
    & skf21("4","4","5","1","2","1","7","1") = "6"
    & skf21("4","4","5","1","2","2","1","1") = "4"
    & skf21("4","4","5","1","2","2","2","1") = "4"
    & skf21("4","4","5","1","2","2","3","1") = "4"
    & skf21("4","4","5","1","2","2","4","1") = "4"
    & skf21("4","4","5","1","2","2","5","1") = "4"
    & skf21("4","4","5","1","2","2","6","1") = "5"
    & skf21("4","4","5","1","2","2","7","1") = "6"
    & skf21("4","4","5","1","2","3","1","1") = "4"
    & skf21("4","4","5","1","2","3","2","1") = "4"
    & skf21("4","4","5","1","2","3","3","1") = "4"
    & skf21("4","4","5","1","2","3","4","1") = "4"
    & skf21("4","4","5","1","2","3","5","1") = "4"
    & skf21("4","4","5","1","2","3","6","1") = "5"
    & skf21("4","4","5","1","2","3","7","1") = "6"
    & skf21("4","4","5","1","2","4","1","1") = "4"
    & skf21("4","4","5","1","2","4","2","1") = "4"
    & skf21("4","4","5","1","2","4","3","1") = "4"
    & skf21("4","4","5","1","2","4","4","1") = "4"
    & skf21("4","4","5","1","2","4","5","1") = "4"
    & skf21("4","4","5","1","2","4","6","1") = "5"
    & skf21("4","4","5","1","2","4","7","1") = "6"
    & skf21("4","4","5","1","2","5","1","1") = "4"
    & skf21("4","4","5","1","2","5","2","1") = "4"
    & skf21("4","4","5","1","2","5","3","1") = "4"
    & skf21("4","4","5","1","2","5","4","1") = "4"
    & skf21("4","4","5","1","2","5","5","1") = "4"
    & skf21("4","4","5","1","2","5","6","1") = "5"
    & skf21("4","4","5","1","2","5","7","1") = "6"
    & skf21("4","4","5","1","2","6","1","1") = "5"
    & skf21("4","4","5","1","2","6","2","1") = "5"
    & skf21("4","4","5","1","2","6","3","1") = "5"
    & skf21("4","4","5","1","2","6","4","1") = "5"
    & skf21("4","4","5","1","2","6","5","1") = "5"
    & skf21("4","4","5","1","2","6","6","1") = "5"
    & skf21("4","4","5","1","2","6","7","1") = "6"
    & skf21("4","4","5","1","2","7","1","1") = "6"
    & skf21("4","4","5","1","2","7","2","1") = "6"
    & skf21("4","4","5","1","2","7","3","1") = "6"
    & skf21("4","4","5","1","2","7","4","1") = "6"
    & skf21("4","4","5","1","2","7","5","1") = "6"
    & skf21("4","4","5","1","2","7","6","1") = "6"
    & skf21("4","4","5","1","2","7","7","1") = "6"
    & skf21("4","4","5","1","3","1","1","1") = "4"
    & skf21("4","4","5","1","3","1","2","1") = "4"
    & skf21("4","4","5","1","3","1","3","1") = "4"
    & skf21("4","4","5","1","3","1","4","1") = "4"
    & skf21("4","4","5","1","3","1","5","1") = "4"
    & skf21("4","4","5","1","3","1","6","1") = "5"
    & skf21("4","4","5","1","3","1","7","1") = "6"
    & skf21("4","4","5","1","3","2","1","1") = "4"
    & skf21("4","4","5","1","3","2","2","1") = "4"
    & skf21("4","4","5","1","3","2","3","1") = "4"
    & skf21("4","4","5","1","3","2","4","1") = "4"
    & skf21("4","4","5","1","3","2","5","1") = "4"
    & skf21("4","4","5","1","3","2","6","1") = "5"
    & skf21("4","4","5","1","3","2","7","1") = "6"
    & skf21("4","4","5","1","3","3","1","1") = "4"
    & skf21("4","4","5","1","3","3","2","1") = "4"
    & skf21("4","4","5","1","3","3","3","1") = "4"
    & skf21("4","4","5","1","3","3","4","1") = "4"
    & skf21("4","4","5","1","3","3","5","1") = "4"
    & skf21("4","4","5","1","3","3","6","1") = "5"
    & skf21("4","4","5","1","3","3","7","1") = "6"
    & skf21("4","4","5","1","3","4","1","1") = "4"
    & skf21("4","4","5","1","3","4","2","1") = "4"
    & skf21("4","4","5","1","3","4","3","1") = "4"
    & skf21("4","4","5","1","3","4","4","1") = "4"
    & skf21("4","4","5","1","3","4","5","1") = "4"
    & skf21("4","4","5","1","3","4","6","1") = "5"
    & skf21("4","4","5","1","3","4","7","1") = "6"
    & skf21("4","4","5","1","3","5","1","1") = "4"
    & skf21("4","4","5","1","3","5","2","1") = "4"
    & skf21("4","4","5","1","3","5","3","1") = "4"
    & skf21("4","4","5","1","3","5","4","1") = "4"
    & skf21("4","4","5","1","3","5","5","1") = "4"
    & skf21("4","4","5","1","3","5","6","1") = "5"
    & skf21("4","4","5","1","3","5","7","1") = "6"
    & skf21("4","4","5","1","3","6","1","1") = "5"
    & skf21("4","4","5","1","3","6","2","1") = "5"
    & skf21("4","4","5","1","3","6","3","1") = "5"
    & skf21("4","4","5","1","3","6","4","1") = "5"
    & skf21("4","4","5","1","3","6","5","1") = "5"
    & skf21("4","4","5","1","3","6","6","1") = "5"
    & skf21("4","4","5","1","3","6","7","1") = "6"
    & skf21("4","4","5","1","3","7","1","1") = "6"
    & skf21("4","4","5","1","3","7","2","1") = "6"
    & skf21("4","4","5","1","3","7","3","1") = "6"
    & skf21("4","4","5","1","3","7","4","1") = "6"
    & skf21("4","4","5","1","3","7","5","1") = "6"
    & skf21("4","4","5","1","3","7","6","1") = "6"
    & skf21("4","4","5","1","3","7","7","1") = "6"
    & skf21("4","4","5","1","4","1","1","1") = "4"
    & skf21("4","4","5","1","4","1","2","1") = "4"
    & skf21("4","4","5","1","4","1","3","1") = "4"
    & skf21("4","4","5","1","4","1","4","1") = "4"
    & skf21("4","4","5","1","4","1","5","1") = "4"
    & skf21("4","4","5","1","4","1","6","1") = "5"
    & skf21("4","4","5","1","4","1","7","1") = "6"
    & skf21("4","4","5","1","4","2","1","1") = "4"
    & skf21("4","4","5","1","4","2","2","1") = "4"
    & skf21("4","4","5","1","4","2","3","1") = "4"
    & skf21("4","4","5","1","4","2","4","1") = "4"
    & skf21("4","4","5","1","4","2","5","1") = "4"
    & skf21("4","4","5","1","4","2","6","1") = "5"
    & skf21("4","4","5","1","4","2","7","1") = "6"
    & skf21("4","4","5","1","4","3","1","1") = "4"
    & skf21("4","4","5","1","4","3","2","1") = "4"
    & skf21("4","4","5","1","4","3","3","1") = "4"
    & skf21("4","4","5","1","4","3","4","1") = "4"
    & skf21("4","4","5","1","4","3","5","1") = "4"
    & skf21("4","4","5","1","4","3","6","1") = "5"
    & skf21("4","4","5","1","4","3","7","1") = "6"
    & skf21("4","4","5","1","4","4","1","1") = "4"
    & skf21("4","4","5","1","4","4","2","1") = "4"
    & skf21("4","4","5","1","4","4","3","1") = "4"
    & skf21("4","4","5","1","4","4","4","1") = "4"
    & skf21("4","4","5","1","4","4","5","1") = "4"
    & skf21("4","4","5","1","4","4","6","1") = "5"
    & skf21("4","4","5","1","4","4","7","1") = "6"
    & skf21("4","4","5","1","4","5","1","1") = "4"
    & skf21("4","4","5","1","4","5","2","1") = "4"
    & skf21("4","4","5","1","4","5","3","1") = "4"
    & skf21("4","4","5","1","4","5","4","1") = "4"
    & skf21("4","4","5","1","4","5","5","1") = "4"
    & skf21("4","4","5","1","4","5","6","1") = "5"
    & skf21("4","4","5","1","4","5","7","1") = "6"
    & skf21("4","4","5","1","4","6","1","1") = "5"
    & skf21("4","4","5","1","4","6","2","1") = "5"
    & skf21("4","4","5","1","4","6","3","1") = "5"
    & skf21("4","4","5","1","4","6","4","1") = "5"
    & skf21("4","4","5","1","4","6","5","1") = "5"
    & skf21("4","4","5","1","4","6","6","1") = "5"
    & skf21("4","4","5","1","4","6","7","1") = "6"
    & skf21("4","4","5","1","4","7","1","1") = "6"
    & skf21("4","4","5","1","4","7","2","1") = "6"
    & skf21("4","4","5","1","4","7","3","1") = "6"
    & skf21("4","4","5","1","4","7","4","1") = "6"
    & skf21("4","4","5","1","4","7","5","1") = "6"
    & skf21("4","4","5","1","4","7","6","1") = "6"
    & skf21("4","4","5","1","4","7","7","1") = "6"
    & skf21("4","4","5","1","5","1","1","1") = "4"
    & skf21("4","4","5","1","5","1","2","1") = "4"
    & skf21("4","4","5","1","5","1","3","1") = "4"
    & skf21("4","4","5","1","5","1","4","1") = "4"
    & skf21("4","4","5","1","5","1","5","1") = "4"
    & skf21("4","4","5","1","5","1","6","1") = "5"
    & skf21("4","4","5","1","5","1","7","1") = "6"
    & skf21("4","4","5","1","5","2","1","1") = "4"
    & skf21("4","4","5","1","5","2","2","1") = "4"
    & skf21("4","4","5","1","5","2","3","1") = "4"
    & skf21("4","4","5","1","5","2","4","1") = "4"
    & skf21("4","4","5","1","5","2","5","1") = "4"
    & skf21("4","4","5","1","5","2","6","1") = "5"
    & skf21("4","4","5","1","5","2","7","1") = "6"
    & skf21("4","4","5","1","5","3","1","1") = "4"
    & skf21("4","4","5","1","5","3","2","1") = "4"
    & skf21("4","4","5","1","5","3","3","1") = "4"
    & skf21("4","4","5","1","5","3","4","1") = "4"
    & skf21("4","4","5","1","5","3","5","1") = "4"
    & skf21("4","4","5","1","5","3","6","1") = "5"
    & skf21("4","4","5","1","5","3","7","1") = "6"
    & skf21("4","4","5","1","5","4","1","1") = "4"
    & skf21("4","4","5","1","5","4","2","1") = "4"
    & skf21("4","4","5","1","5","4","3","1") = "4"
    & skf21("4","4","5","1","5","4","4","1") = "4"
    & skf21("4","4","5","1","5","4","5","1") = "4"
    & skf21("4","4","5","1","5","4","6","1") = "5"
    & skf21("4","4","5","1","5","4","7","1") = "6"
    & skf21("4","4","5","1","5","5","1","1") = "4"
    & skf21("4","4","5","1","5","5","2","1") = "4"
    & skf21("4","4","5","1","5","5","3","1") = "4"
    & skf21("4","4","5","1","5","5","4","1") = "4"
    & skf21("4","4","5","1","5","5","5","1") = "4"
    & skf21("4","4","5","1","5","5","6","1") = "5"
    & skf21("4","4","5","1","5","5","7","1") = "6"
    & skf21("4","4","5","1","5","6","1","1") = "5"
    & skf21("4","4","5","1","5","6","2","1") = "5"
    & skf21("4","4","5","1","5","6","3","1") = "5"
    & skf21("4","4","5","1","5","6","4","1") = "5"
    & skf21("4","4","5","1","5","6","5","1") = "5"
    & skf21("4","4","5","1","5","6","6","1") = "5"
    & skf21("4","4","5","1","5","6","7","1") = "6"
    & skf21("4","4","5","1","5","7","1","1") = "6"
    & skf21("4","4","5","1","5","7","2","1") = "6"
    & skf21("4","4","5","1","5","7","3","1") = "6"
    & skf21("4","4","5","1","5","7","4","1") = "6"
    & skf21("4","4","5","1","5","7","5","1") = "6"
    & skf21("4","4","5","1","5","7","6","1") = "6"
    & skf21("4","4","5","1","5","7","7","1") = "6"
    & skf21("4","4","5","1","6","1","1","1") = "5"
    & skf21("4","4","5","1","6","1","2","1") = "5"
    & skf21("4","4","5","1","6","1","3","1") = "5"
    & skf21("4","4","5","1","6","1","4","1") = "5"
    & skf21("4","4","5","1","6","1","5","1") = "5"
    & skf21("4","4","5","1","6","1","6","1") = "5"
    & skf21("4","4","5","1","6","1","7","1") = "6"
    & skf21("4","4","5","1","6","2","1","1") = "5"
    & skf21("4","4","5","1","6","2","2","1") = "5"
    & skf21("4","4","5","1","6","2","3","1") = "5"
    & skf21("4","4","5","1","6","2","4","1") = "5"
    & skf21("4","4","5","1","6","2","5","1") = "5"
    & skf21("4","4","5","1","6","2","6","1") = "5"
    & skf21("4","4","5","1","6","2","7","1") = "6"
    & skf21("4","4","5","1","6","3","1","1") = "5"
    & skf21("4","4","5","1","6","3","2","1") = "5"
    & skf21("4","4","5","1","6","3","3","1") = "5"
    & skf21("4","4","5","1","6","3","4","1") = "5"
    & skf21("4","4","5","1","6","3","5","1") = "5"
    & skf21("4","4","5","1","6","3","6","1") = "5"
    & skf21("4","4","5","1","6","3","7","1") = "6"
    & skf21("4","4","5","1","6","4","1","1") = "5"
    & skf21("4","4","5","1","6","4","2","1") = "5"
    & skf21("4","4","5","1","6","4","3","1") = "5"
    & skf21("4","4","5","1","6","4","4","1") = "5"
    & skf21("4","4","5","1","6","4","5","1") = "5"
    & skf21("4","4","5","1","6","4","6","1") = "5"
    & skf21("4","4","5","1","6","4","7","1") = "6"
    & skf21("4","4","5","1","6","5","1","1") = "5"
    & skf21("4","4","5","1","6","5","2","1") = "5"
    & skf21("4","4","5","1","6","5","3","1") = "5"
    & skf21("4","4","5","1","6","5","4","1") = "5"
    & skf21("4","4","5","1","6","5","5","1") = "5"
    & skf21("4","4","5","1","6","5","6","1") = "5"
    & skf21("4","4","5","1","6","5","7","1") = "6"
    & skf21("4","4","5","1","6","6","1","1") = "5"
    & skf21("4","4","5","1","6","6","2","1") = "5"
    & skf21("4","4","5","1","6","6","3","1") = "5"
    & skf21("4","4","5","1","6","6","4","1") = "5"
    & skf21("4","4","5","1","6","6","5","1") = "5"
    & skf21("4","4","5","1","6","6","6","1") = "5"
    & skf21("4","4","5","1","6","6","7","1") = "6"
    & skf21("4","4","5","1","6","7","1","1") = "6"
    & skf21("4","4","5","1","6","7","2","1") = "6"
    & skf21("4","4","5","1","6","7","3","1") = "6"
    & skf21("4","4","5","1","6","7","4","1") = "6"
    & skf21("4","4","5","1","6","7","5","1") = "6"
    & skf21("4","4","5","1","6","7","6","1") = "6"
    & skf21("4","4","5","1","6","7","7","1") = "6"
    & skf21("4","4","5","1","7","1","1","1") = "6"
    & skf21("4","4","5","1","7","1","2","1") = "6"
    & skf21("4","4","5","1","7","1","3","1") = "6"
    & skf21("4","4","5","1","7","1","4","1") = "6"
    & skf21("4","4","5","1","7","1","5","1") = "6"
    & skf21("4","4","5","1","7","1","6","1") = "6"
    & skf21("4","4","5","1","7","1","7","1") = "6"
    & skf21("4","4","5","1","7","2","1","1") = "6"
    & skf21("4","4","5","1","7","2","2","1") = "6"
    & skf21("4","4","5","1","7","2","3","1") = "6"
    & skf21("4","4","5","1","7","2","4","1") = "6"
    & skf21("4","4","5","1","7","2","5","1") = "6"
    & skf21("4","4","5","1","7","2","6","1") = "6"
    & skf21("4","4","5","1","7","2","7","1") = "6"
    & skf21("4","4","5","1","7","3","1","1") = "6"
    & skf21("4","4","5","1","7","3","2","1") = "6"
    & skf21("4","4","5","1","7","3","3","1") = "6"
    & skf21("4","4","5","1","7","3","4","1") = "6"
    & skf21("4","4","5","1","7","3","5","1") = "6"
    & skf21("4","4","5","1","7","3","6","1") = "6"
    & skf21("4","4","5","1","7","3","7","1") = "6"
    & skf21("4","4","5","1","7","4","1","1") = "6"
    & skf21("4","4","5","1","7","4","2","1") = "6"
    & skf21("4","4","5","1","7","4","3","1") = "6"
    & skf21("4","4","5","1","7","4","4","1") = "6"
    & skf21("4","4","5","1","7","4","5","1") = "6"
    & skf21("4","4","5","1","7","4","6","1") = "6"
    & skf21("4","4","5","1","7","4","7","1") = "6"
    & skf21("4","4","5","1","7","5","1","1") = "6"
    & skf21("4","4","5","1","7","5","2","1") = "6"
    & skf21("4","4","5","1","7","5","3","1") = "6"
    & skf21("4","4","5","1","7","5","4","1") = "6"
    & skf21("4","4","5","1","7","5","5","1") = "6"
    & skf21("4","4","5","1","7","5","6","1") = "6"
    & skf21("4","4","5","1","7","5","7","1") = "6"
    & skf21("4","4","5","1","7","6","1","1") = "6"
    & skf21("4","4","5","1","7","6","2","1") = "6"
    & skf21("4","4","5","1","7","6","3","1") = "6"
    & skf21("4","4","5","1","7","6","4","1") = "6"
    & skf21("4","4","5","1","7","6","5","1") = "6"
    & skf21("4","4","5","1","7","6","6","1") = "6"
    & skf21("4","4","5","1","7","6","7","1") = "6"
    & skf21("4","4","5","1","7","7","1","1") = "6"
    & skf21("4","4","5","1","7","7","2","1") = "6"
    & skf21("4","4","5","1","7","7","3","1") = "6"
    & skf21("4","4","5","1","7","7","4","1") = "6"
    & skf21("4","4","5","1","7","7","5","1") = "6"
    & skf21("4","4","5","1","7","7","6","1") = "6"
    & skf21("4","4","5","1","7","7","7","1") = "6"
    & skf21("4","4","5","2","1","1","1","1") = "4"
    & skf21("4","4","5","2","1","1","2","1") = "4"
    & skf21("4","4","5","2","1","1","3","1") = "4"
    & skf21("4","4","5","2","1","1","4","1") = "4"
    & skf21("4","4","5","2","1","1","5","1") = "4"
    & skf21("4","4","5","2","1","1","6","1") = "5"
    & skf21("4","4","5","2","1","1","7","1") = "6"
    & skf21("4","4","5","2","1","2","1","1") = "4"
    & skf21("4","4","5","2","1","2","2","1") = "4"
    & skf21("4","4","5","2","1","2","3","1") = "4"
    & skf21("4","4","5","2","1","2","4","1") = "4"
    & skf21("4","4","5","2","1","2","5","1") = "4"
    & skf21("4","4","5","2","1","2","6","1") = "5"
    & skf21("4","4","5","2","1","2","7","1") = "6"
    & skf21("4","4","5","2","1","3","1","1") = "4"
    & skf21("4","4","5","2","1","3","2","1") = "4"
    & skf21("4","4","5","2","1","3","3","1") = "4"
    & skf21("4","4","5","2","1","3","4","1") = "4"
    & skf21("4","4","5","2","1","3","5","1") = "4"
    & skf21("4","4","5","2","1","3","6","1") = "5"
    & skf21("4","4","5","2","1","3","7","1") = "6"
    & skf21("4","4","5","2","1","4","1","1") = "4"
    & skf21("4","4","5","2","1","4","2","1") = "4"
    & skf21("4","4","5","2","1","4","3","1") = "4"
    & skf21("4","4","5","2","1","4","4","1") = "4"
    & skf21("4","4","5","2","1","4","5","1") = "4"
    & skf21("4","4","5","2","1","4","6","1") = "5"
    & skf21("4","4","5","2","1","4","7","1") = "6"
    & skf21("4","4","5","2","1","5","1","1") = "4"
    & skf21("4","4","5","2","1","5","2","1") = "4"
    & skf21("4","4","5","2","1","5","3","1") = "4"
    & skf21("4","4","5","2","1","5","4","1") = "4"
    & skf21("4","4","5","2","1","5","5","1") = "4"
    & skf21("4","4","5","2","1","5","6","1") = "5"
    & skf21("4","4","5","2","1","5","7","1") = "6"
    & skf21("4","4","5","2","1","6","1","1") = "5"
    & skf21("4","4","5","2","1","6","2","1") = "5"
    & skf21("4","4","5","2","1","6","3","1") = "5"
    & skf21("4","4","5","2","1","6","4","1") = "5"
    & skf21("4","4","5","2","1","6","5","1") = "5"
    & skf21("4","4","5","2","1","6","6","1") = "5"
    & skf21("4","4","5","2","1","6","7","1") = "6"
    & skf21("4","4","5","2","1","7","1","1") = "6"
    & skf21("4","4","5","2","1","7","2","1") = "6"
    & skf21("4","4","5","2","1","7","3","1") = "6"
    & skf21("4","4","5","2","1","7","4","1") = "6"
    & skf21("4","4","5","2","1","7","5","1") = "6"
    & skf21("4","4","5","2","1","7","6","1") = "6"
    & skf21("4","4","5","2","1","7","7","1") = "6"
    & skf21("4","4","5","2","2","1","1","1") = "4"
    & skf21("4","4","5","2","2","1","2","1") = "4"
    & skf21("4","4","5","2","2","1","3","1") = "4"
    & skf21("4","4","5","2","2","1","4","1") = "4"
    & skf21("4","4","5","2","2","1","5","1") = "4"
    & skf21("4","4","5","2","2","1","6","1") = "5"
    & skf21("4","4","5","2","2","1","7","1") = "6"
    & skf21("4","4","5","2","2","2","1","1") = "4"
    & skf21("4","4","5","2","2","2","2","1") = "4"
    & skf21("4","4","5","2","2","2","3","1") = "4"
    & skf21("4","4","5","2","2","2","4","1") = "4"
    & skf21("4","4","5","2","2","2","5","1") = "4"
    & skf21("4","4","5","2","2","2","6","1") = "5"
    & skf21("4","4","5","2","2","2","7","1") = "6"
    & skf21("4","4","5","2","2","3","1","1") = "4"
    & skf21("4","4","5","2","2","3","2","1") = "4"
    & skf21("4","4","5","2","2","3","3","1") = "4"
    & skf21("4","4","5","2","2","3","4","1") = "4"
    & skf21("4","4","5","2","2","3","5","1") = "4"
    & skf21("4","4","5","2","2","3","6","1") = "5"
    & skf21("4","4","5","2","2","3","7","1") = "6"
    & skf21("4","4","5","2","2","4","1","1") = "4"
    & skf21("4","4","5","2","2","4","2","1") = "4"
    & skf21("4","4","5","2","2","4","3","1") = "4"
    & skf21("4","4","5","2","2","4","4","1") = "4"
    & skf21("4","4","5","2","2","4","5","1") = "4"
    & skf21("4","4","5","2","2","4","6","1") = "5"
    & skf21("4","4","5","2","2","4","7","1") = "6"
    & skf21("4","4","5","2","2","5","1","1") = "4"
    & skf21("4","4","5","2","2","5","2","1") = "4"
    & skf21("4","4","5","2","2","5","3","1") = "4"
    & skf21("4","4","5","2","2","5","4","1") = "4"
    & skf21("4","4","5","2","2","5","5","1") = "4"
    & skf21("4","4","5","2","2","5","6","1") = "5"
    & skf21("4","4","5","2","2","5","7","1") = "6"
    & skf21("4","4","5","2","2","6","1","1") = "5"
    & skf21("4","4","5","2","2","6","2","1") = "5"
    & skf21("4","4","5","2","2","6","3","1") = "5"
    & skf21("4","4","5","2","2","6","4","1") = "5"
    & skf21("4","4","5","2","2","6","5","1") = "5"
    & skf21("4","4","5","2","2","6","6","1") = "5"
    & skf21("4","4","5","2","2","6","7","1") = "6"
    & skf21("4","4","5","2","2","7","1","1") = "6"
    & skf21("4","4","5","2","2","7","2","1") = "6"
    & skf21("4","4","5","2","2","7","3","1") = "6"
    & skf21("4","4","5","2","2","7","4","1") = "6"
    & skf21("4","4","5","2","2","7","5","1") = "6"
    & skf21("4","4","5","2","2","7","6","1") = "6"
    & skf21("4","4","5","2","2","7","7","1") = "6"
    & skf21("4","4","5","2","3","1","1","1") = "4"
    & skf21("4","4","5","2","3","1","2","1") = "4"
    & skf21("4","4","5","2","3","1","3","1") = "4"
    & skf21("4","4","5","2","3","1","4","1") = "4"
    & skf21("4","4","5","2","3","1","5","1") = "4"
    & skf21("4","4","5","2","3","1","6","1") = "5"
    & skf21("4","4","5","2","3","1","7","1") = "6"
    & skf21("4","4","5","2","3","2","1","1") = "4"
    & skf21("4","4","5","2","3","2","2","1") = "4"
    & skf21("4","4","5","2","3","2","3","1") = "4"
    & skf21("4","4","5","2","3","2","4","1") = "4"
    & skf21("4","4","5","2","3","2","5","1") = "4"
    & skf21("4","4","5","2","3","2","6","1") = "5"
    & skf21("4","4","5","2","3","2","7","1") = "6"
    & skf21("4","4","5","2","3","3","1","1") = "4"
    & skf21("4","4","5","2","3","3","2","1") = "4"
    & skf21("4","4","5","2","3","3","3","1") = "4"
    & skf21("4","4","5","2","3","3","4","1") = "4"
    & skf21("4","4","5","2","3","3","5","1") = "4"
    & skf21("4","4","5","2","3","3","6","1") = "5"
    & skf21("4","4","5","2","3","3","7","1") = "6"
    & skf21("4","4","5","2","3","4","1","1") = "4"
    & skf21("4","4","5","2","3","4","2","1") = "4"
    & skf21("4","4","5","2","3","4","3","1") = "4"
    & skf21("4","4","5","2","3","4","4","1") = "4"
    & skf21("4","4","5","2","3","4","5","1") = "4"
    & skf21("4","4","5","2","3","4","6","1") = "5"
    & skf21("4","4","5","2","3","4","7","1") = "6"
    & skf21("4","4","5","2","3","5","1","1") = "4"
    & skf21("4","4","5","2","3","5","2","1") = "4"
    & skf21("4","4","5","2","3","5","3","1") = "4"
    & skf21("4","4","5","2","3","5","4","1") = "4"
    & skf21("4","4","5","2","3","5","5","1") = "4"
    & skf21("4","4","5","2","3","5","6","1") = "5"
    & skf21("4","4","5","2","3","5","7","1") = "6"
    & skf21("4","4","5","2","3","6","1","1") = "5"
    & skf21("4","4","5","2","3","6","2","1") = "5"
    & skf21("4","4","5","2","3","6","3","1") = "5"
    & skf21("4","4","5","2","3","6","4","1") = "5"
    & skf21("4","4","5","2","3","6","5","1") = "5"
    & skf21("4","4","5","2","3","6","6","1") = "5"
    & skf21("4","4","5","2","3","6","7","1") = "6"
    & skf21("4","4","5","2","3","7","1","1") = "6"
    & skf21("4","4","5","2","3","7","2","1") = "6"
    & skf21("4","4","5","2","3","7","3","1") = "6"
    & skf21("4","4","5","2","3","7","4","1") = "6"
    & skf21("4","4","5","2","3","7","5","1") = "6"
    & skf21("4","4","5","2","3","7","6","1") = "6"
    & skf21("4","4","5","2","3","7","7","1") = "6"
    & skf21("4","4","5","2","4","1","1","1") = "4"
    & skf21("4","4","5","2","4","1","2","1") = "4"
    & skf21("4","4","5","2","4","1","3","1") = "4"
    & skf21("4","4","5","2","4","1","4","1") = "4"
    & skf21("4","4","5","2","4","1","5","1") = "4"
    & skf21("4","4","5","2","4","1","6","1") = "5"
    & skf21("4","4","5","2","4","1","7","1") = "6"
    & skf21("4","4","5","2","4","2","1","1") = "4"
    & skf21("4","4","5","2","4","2","2","1") = "4"
    & skf21("4","4","5","2","4","2","3","1") = "4"
    & skf21("4","4","5","2","4","2","4","1") = "4"
    & skf21("4","4","5","2","4","2","5","1") = "4"
    & skf21("4","4","5","2","4","2","6","1") = "5"
    & skf21("4","4","5","2","4","2","7","1") = "6"
    & skf21("4","4","5","2","4","3","1","1") = "4"
    & skf21("4","4","5","2","4","3","2","1") = "4"
    & skf21("4","4","5","2","4","3","3","1") = "4"
    & skf21("4","4","5","2","4","3","4","1") = "4"
    & skf21("4","4","5","2","4","3","5","1") = "4"
    & skf21("4","4","5","2","4","3","6","1") = "5"
    & skf21("4","4","5","2","4","3","7","1") = "6"
    & skf21("4","4","5","2","4","4","1","1") = "4"
    & skf21("4","4","5","2","4","4","2","1") = "4"
    & skf21("4","4","5","2","4","4","3","1") = "4"
    & skf21("4","4","5","2","4","4","4","1") = "4"
    & skf21("4","4","5","2","4","4","5","1") = "4"
    & skf21("4","4","5","2","4","4","6","1") = "5"
    & skf21("4","4","5","2","4","4","7","1") = "6"
    & skf21("4","4","5","2","4","5","1","1") = "4"
    & skf21("4","4","5","2","4","5","2","1") = "4"
    & skf21("4","4","5","2","4","5","3","1") = "4"
    & skf21("4","4","5","2","4","5","4","1") = "4"
    & skf21("4","4","5","2","4","5","5","1") = "4"
    & skf21("4","4","5","2","4","5","6","1") = "5"
    & skf21("4","4","5","2","4","5","7","1") = "6"
    & skf21("4","4","5","2","4","6","1","1") = "5"
    & skf21("4","4","5","2","4","6","2","1") = "5"
    & skf21("4","4","5","2","4","6","3","1") = "5"
    & skf21("4","4","5","2","4","6","4","1") = "5"
    & skf21("4","4","5","2","4","6","5","1") = "5"
    & skf21("4","4","5","2","4","6","6","1") = "5"
    & skf21("4","4","5","2","4","6","7","1") = "6"
    & skf21("4","4","5","2","4","7","1","1") = "6"
    & skf21("4","4","5","2","4","7","2","1") = "6"
    & skf21("4","4","5","2","4","7","3","1") = "6"
    & skf21("4","4","5","2","4","7","4","1") = "6"
    & skf21("4","4","5","2","4","7","5","1") = "6"
    & skf21("4","4","5","2","4","7","6","1") = "6"
    & skf21("4","4","5","2","4","7","7","1") = "6"
    & skf21("4","4","5","2","5","1","1","1") = "4"
    & skf21("4","4","5","2","5","1","2","1") = "4"
    & skf21("4","4","5","2","5","1","3","1") = "4"
    & skf21("4","4","5","2","5","1","4","1") = "4"
    & skf21("4","4","5","2","5","1","5","1") = "4"
    & skf21("4","4","5","2","5","1","6","1") = "5"
    & skf21("4","4","5","2","5","1","7","1") = "6"
    & skf21("4","4","5","2","5","2","1","1") = "4"
    & skf21("4","4","5","2","5","2","2","1") = "4"
    & skf21("4","4","5","2","5","2","3","1") = "4"
    & skf21("4","4","5","2","5","2","4","1") = "4"
    & skf21("4","4","5","2","5","2","5","1") = "4"
    & skf21("4","4","5","2","5","2","6","1") = "5"
    & skf21("4","4","5","2","5","2","7","1") = "6"
    & skf21("4","4","5","2","5","3","1","1") = "4"
    & skf21("4","4","5","2","5","3","2","1") = "4"
    & skf21("4","4","5","2","5","3","3","1") = "4"
    & skf21("4","4","5","2","5","3","4","1") = "4"
    & skf21("4","4","5","2","5","3","5","1") = "4"
    & skf21("4","4","5","2","5","3","6","1") = "5"
    & skf21("4","4","5","2","5","3","7","1") = "6"
    & skf21("4","4","5","2","5","4","1","1") = "4"
    & skf21("4","4","5","2","5","4","2","1") = "4"
    & skf21("4","4","5","2","5","4","3","1") = "4"
    & skf21("4","4","5","2","5","4","4","1") = "4"
    & skf21("4","4","5","2","5","4","5","1") = "4"
    & skf21("4","4","5","2","5","4","6","1") = "5"
    & skf21("4","4","5","2","5","4","7","1") = "6"
    & skf21("4","4","5","2","5","5","1","1") = "4"
    & skf21("4","4","5","2","5","5","2","1") = "4"
    & skf21("4","4","5","2","5","5","3","1") = "4"
    & skf21("4","4","5","2","5","5","4","1") = "4"
    & skf21("4","4","5","2","5","5","5","1") = "4"
    & skf21("4","4","5","2","5","5","6","1") = "5"
    & skf21("4","4","5","2","5","5","7","1") = "6"
    & skf21("4","4","5","2","5","6","1","1") = "5"
    & skf21("4","4","5","2","5","6","2","1") = "5"
    & skf21("4","4","5","2","5","6","3","1") = "5"
    & skf21("4","4","5","2","5","6","4","1") = "5"
    & skf21("4","4","5","2","5","6","5","1") = "5"
    & skf21("4","4","5","2","5","6","6","1") = "5"
    & skf21("4","4","5","2","5","6","7","1") = "6"
    & skf21("4","4","5","2","5","7","1","1") = "6"
    & skf21("4","4","5","2","5","7","2","1") = "6"
    & skf21("4","4","5","2","5","7","3","1") = "6"
    & skf21("4","4","5","2","5","7","4","1") = "6"
    & skf21("4","4","5","2","5","7","5","1") = "6"
    & skf21("4","4","5","2","5","7","6","1") = "6"
    & skf21("4","4","5","2","5","7","7","1") = "6"
    & skf21("4","4","5","2","6","1","1","1") = "5"
    & skf21("4","4","5","2","6","1","2","1") = "5"
    & skf21("4","4","5","2","6","1","3","1") = "5"
    & skf21("4","4","5","2","6","1","4","1") = "5"
    & skf21("4","4","5","2","6","1","5","1") = "5"
    & skf21("4","4","5","2","6","1","6","1") = "5"
    & skf21("4","4","5","2","6","1","7","1") = "6"
    & skf21("4","4","5","2","6","2","1","1") = "5"
    & skf21("4","4","5","2","6","2","2","1") = "5"
    & skf21("4","4","5","2","6","2","3","1") = "5"
    & skf21("4","4","5","2","6","2","4","1") = "5"
    & skf21("4","4","5","2","6","2","5","1") = "5"
    & skf21("4","4","5","2","6","2","6","1") = "5"
    & skf21("4","4","5","2","6","2","7","1") = "6"
    & skf21("4","4","5","2","6","3","1","1") = "5"
    & skf21("4","4","5","2","6","3","2","1") = "5"
    & skf21("4","4","5","2","6","3","3","1") = "5"
    & skf21("4","4","5","2","6","3","4","1") = "5"
    & skf21("4","4","5","2","6","3","5","1") = "5"
    & skf21("4","4","5","2","6","3","6","1") = "5"
    & skf21("4","4","5","2","6","3","7","1") = "6"
    & skf21("4","4","5","2","6","4","1","1") = "5"
    & skf21("4","4","5","2","6","4","2","1") = "5"
    & skf21("4","4","5","2","6","4","3","1") = "5"
    & skf21("4","4","5","2","6","4","4","1") = "5"
    & skf21("4","4","5","2","6","4","5","1") = "5"
    & skf21("4","4","5","2","6","4","6","1") = "5"
    & skf21("4","4","5","2","6","4","7","1") = "6"
    & skf21("4","4","5","2","6","5","1","1") = "5"
    & skf21("4","4","5","2","6","5","2","1") = "5"
    & skf21("4","4","5","2","6","5","3","1") = "5"
    & skf21("4","4","5","2","6","5","4","1") = "5"
    & skf21("4","4","5","2","6","5","5","1") = "5"
    & skf21("4","4","5","2","6","5","6","1") = "5"
    & skf21("4","4","5","2","6","5","7","1") = "6"
    & skf21("4","4","5","2","6","6","1","1") = "5"
    & skf21("4","4","5","2","6","6","2","1") = "5"
    & skf21("4","4","5","2","6","6","3","1") = "5"
    & skf21("4","4","5","2","6","6","4","1") = "5"
    & skf21("4","4","5","2","6","6","5","1") = "5"
    & skf21("4","4","5","2","6","6","6","1") = "5"
    & skf21("4","4","5","2","6","6","7","1") = "6"
    & skf21("4","4","5","2","6","7","1","1") = "6"
    & skf21("4","4","5","2","6","7","2","1") = "6"
    & skf21("4","4","5","2","6","7","3","1") = "6"
    & skf21("4","4","5","2","6","7","4","1") = "6"
    & skf21("4","4","5","2","6","7","5","1") = "6"
    & skf21("4","4","5","2","6","7","6","1") = "6"
    & skf21("4","4","5","2","6","7","7","1") = "6"
    & skf21("4","4","5","2","7","1","1","1") = "6"
    & skf21("4","4","5","2","7","1","2","1") = "6"
    & skf21("4","4","5","2","7","1","3","1") = "6"
    & skf21("4","4","5","2","7","1","4","1") = "6"
    & skf21("4","4","5","2","7","1","5","1") = "6"
    & skf21("4","4","5","2","7","1","6","1") = "6"
    & skf21("4","4","5","2","7","1","7","1") = "6"
    & skf21("4","4","5","2","7","2","1","1") = "6"
    & skf21("4","4","5","2","7","2","2","1") = "6"
    & skf21("4","4","5","2","7","2","3","1") = "6"
    & skf21("4","4","5","2","7","2","4","1") = "6"
    & skf21("4","4","5","2","7","2","5","1") = "6"
    & skf21("4","4","5","2","7","2","6","1") = "6"
    & skf21("4","4","5","2","7","2","7","1") = "6"
    & skf21("4","4","5","2","7","3","1","1") = "6"
    & skf21("4","4","5","2","7","3","2","1") = "6"
    & skf21("4","4","5","2","7","3","3","1") = "6"
    & skf21("4","4","5","2","7","3","4","1") = "6"
    & skf21("4","4","5","2","7","3","5","1") = "6"
    & skf21("4","4","5","2","7","3","6","1") = "6"
    & skf21("4","4","5","2","7","3","7","1") = "6"
    & skf21("4","4","5","2","7","4","1","1") = "6"
    & skf21("4","4","5","2","7","4","2","1") = "6"
    & skf21("4","4","5","2","7","4","3","1") = "6"
    & skf21("4","4","5","2","7","4","4","1") = "6"
    & skf21("4","4","5","2","7","4","5","1") = "6"
    & skf21("4","4","5","2","7","4","6","1") = "6"
    & skf21("4","4","5","2","7","4","7","1") = "6"
    & skf21("4","4","5","2","7","5","1","1") = "6"
    & skf21("4","4","5","2","7","5","2","1") = "6"
    & skf21("4","4","5","2","7","5","3","1") = "6"
    & skf21("4","4","5","2","7","5","4","1") = "6"
    & skf21("4","4","5","2","7","5","5","1") = "6"
    & skf21("4","4","5","2","7","5","6","1") = "6"
    & skf21("4","4","5","2","7","5","7","1") = "6"
    & skf21("4","4","5","2","7","6","1","1") = "6"
    & skf21("4","4","5","2","7","6","2","1") = "6"
    & skf21("4","4","5","2","7","6","3","1") = "6"
    & skf21("4","4","5","2","7","6","4","1") = "6"
    & skf21("4","4","5","2","7","6","5","1") = "6"
    & skf21("4","4","5","2","7","6","6","1") = "6"
    & skf21("4","4","5","2","7","6","7","1") = "6"
    & skf21("4","4","5","2","7","7","1","1") = "6"
    & skf21("4","4","5","2","7","7","2","1") = "6"
    & skf21("4","4","5","2","7","7","3","1") = "6"
    & skf21("4","4","5","2","7","7","4","1") = "6"
    & skf21("4","4","5","2","7","7","5","1") = "6"
    & skf21("4","4","5","2","7","7","6","1") = "6"
    & skf21("4","4","5","2","7","7","7","1") = "6"
    & skf21("4","4","5","3","1","1","1","1") = "4"
    & skf21("4","4","5","3","1","1","2","1") = "4"
    & skf21("4","4","5","3","1","1","3","1") = "4"
    & skf21("4","4","5","3","1","1","4","1") = "4"
    & skf21("4","4","5","3","1","1","5","1") = "4"
    & skf21("4","4","5","3","1","1","6","1") = "5"
    & skf21("4","4","5","3","1","1","7","1") = "6"
    & skf21("4","4","5","3","1","2","1","1") = "4"
    & skf21("4","4","5","3","1","2","2","1") = "4"
    & skf21("4","4","5","3","1","2","3","1") = "4"
    & skf21("4","4","5","3","1","2","4","1") = "4"
    & skf21("4","4","5","3","1","2","5","1") = "4"
    & skf21("4","4","5","3","1","2","6","1") = "5"
    & skf21("4","4","5","3","1","2","7","1") = "6"
    & skf21("4","4","5","3","1","3","1","1") = "4"
    & skf21("4","4","5","3","1","3","2","1") = "4"
    & skf21("4","4","5","3","1","3","3","1") = "4"
    & skf21("4","4","5","3","1","3","4","1") = "4"
    & skf21("4","4","5","3","1","3","5","1") = "4"
    & skf21("4","4","5","3","1","3","6","1") = "5"
    & skf21("4","4","5","3","1","3","7","1") = "6"
    & skf21("4","4","5","3","1","4","1","1") = "4"
    & skf21("4","4","5","3","1","4","2","1") = "4"
    & skf21("4","4","5","3","1","4","3","1") = "4"
    & skf21("4","4","5","3","1","4","4","1") = "4"
    & skf21("4","4","5","3","1","4","5","1") = "4"
    & skf21("4","4","5","3","1","4","6","1") = "5"
    & skf21("4","4","5","3","1","4","7","1") = "6"
    & skf21("4","4","5","3","1","5","1","1") = "4"
    & skf21("4","4","5","3","1","5","2","1") = "4"
    & skf21("4","4","5","3","1","5","3","1") = "4"
    & skf21("4","4","5","3","1","5","4","1") = "4"
    & skf21("4","4","5","3","1","5","5","1") = "4"
    & skf21("4","4","5","3","1","5","6","1") = "5"
    & skf21("4","4","5","3","1","5","7","1") = "6"
    & skf21("4","4","5","3","1","6","1","1") = "5"
    & skf21("4","4","5","3","1","6","2","1") = "5"
    & skf21("4","4","5","3","1","6","3","1") = "5"
    & skf21("4","4","5","3","1","6","4","1") = "5"
    & skf21("4","4","5","3","1","6","5","1") = "5"
    & skf21("4","4","5","3","1","6","6","1") = "5"
    & skf21("4","4","5","3","1","6","7","1") = "6"
    & skf21("4","4","5","3","1","7","1","1") = "6"
    & skf21("4","4","5","3","1","7","2","1") = "6"
    & skf21("4","4","5","3","1","7","3","1") = "6"
    & skf21("4","4","5","3","1","7","4","1") = "6"
    & skf21("4","4","5","3","1","7","5","1") = "6"
    & skf21("4","4","5","3","1","7","6","1") = "6"
    & skf21("4","4","5","3","1","7","7","1") = "6"
    & skf21("4","4","5","3","2","1","1","1") = "4"
    & skf21("4","4","5","3","2","1","2","1") = "4"
    & skf21("4","4","5","3","2","1","3","1") = "4"
    & skf21("4","4","5","3","2","1","4","1") = "4"
    & skf21("4","4","5","3","2","1","5","1") = "4"
    & skf21("4","4","5","3","2","1","6","1") = "5"
    & skf21("4","4","5","3","2","1","7","1") = "6"
    & skf21("4","4","5","3","2","2","1","1") = "4"
    & skf21("4","4","5","3","2","2","2","1") = "4"
    & skf21("4","4","5","3","2","2","3","1") = "4"
    & skf21("4","4","5","3","2","2","4","1") = "4"
    & skf21("4","4","5","3","2","2","5","1") = "4"
    & skf21("4","4","5","3","2","2","6","1") = "5"
    & skf21("4","4","5","3","2","2","7","1") = "6"
    & skf21("4","4","5","3","2","3","1","1") = "4"
    & skf21("4","4","5","3","2","3","2","1") = "4"
    & skf21("4","4","5","3","2","3","3","1") = "4"
    & skf21("4","4","5","3","2","3","4","1") = "4"
    & skf21("4","4","5","3","2","3","5","1") = "4"
    & skf21("4","4","5","3","2","3","6","1") = "5"
    & skf21("4","4","5","3","2","3","7","1") = "6"
    & skf21("4","4","5","3","2","4","1","1") = "4"
    & skf21("4","4","5","3","2","4","2","1") = "4"
    & skf21("4","4","5","3","2","4","3","1") = "4"
    & skf21("4","4","5","3","2","4","4","1") = "4"
    & skf21("4","4","5","3","2","4","5","1") = "4"
    & skf21("4","4","5","3","2","4","6","1") = "5"
    & skf21("4","4","5","3","2","4","7","1") = "6"
    & skf21("4","4","5","3","2","5","1","1") = "4"
    & skf21("4","4","5","3","2","5","2","1") = "4"
    & skf21("4","4","5","3","2","5","3","1") = "4"
    & skf21("4","4","5","3","2","5","4","1") = "4"
    & skf21("4","4","5","3","2","5","5","1") = "4"
    & skf21("4","4","5","3","2","5","6","1") = "5"
    & skf21("4","4","5","3","2","5","7","1") = "6"
    & skf21("4","4","5","3","2","6","1","1") = "5"
    & skf21("4","4","5","3","2","6","2","1") = "5"
    & skf21("4","4","5","3","2","6","3","1") = "5"
    & skf21("4","4","5","3","2","6","4","1") = "5"
    & skf21("4","4","5","3","2","6","5","1") = "5"
    & skf21("4","4","5","3","2","6","6","1") = "5"
    & skf21("4","4","5","3","2","6","7","1") = "6"
    & skf21("4","4","5","3","2","7","1","1") = "6"
    & skf21("4","4","5","3","2","7","2","1") = "6"
    & skf21("4","4","5","3","2","7","3","1") = "6"
    & skf21("4","4","5","3","2","7","4","1") = "6"
    & skf21("4","4","5","3","2","7","5","1") = "6"
    & skf21("4","4","5","3","2","7","6","1") = "6"
    & skf21("4","4","5","3","2","7","7","1") = "6"
    & skf21("4","4","5","3","3","1","1","1") = "4"
    & skf21("4","4","5","3","3","1","2","1") = "4"
    & skf21("4","4","5","3","3","1","3","1") = "4"
    & skf21("4","4","5","3","3","1","4","1") = "4"
    & skf21("4","4","5","3","3","1","5","1") = "4"
    & skf21("4","4","5","3","3","1","6","1") = "5"
    & skf21("4","4","5","3","3","1","7","1") = "6"
    & skf21("4","4","5","3","3","2","1","1") = "4"
    & skf21("4","4","5","3","3","2","2","1") = "4"
    & skf21("4","4","5","3","3","2","3","1") = "4"
    & skf21("4","4","5","3","3","2","4","1") = "4"
    & skf21("4","4","5","3","3","2","5","1") = "4"
    & skf21("4","4","5","3","3","2","6","1") = "5"
    & skf21("4","4","5","3","3","2","7","1") = "6"
    & skf21("4","4","5","3","3","3","1","1") = "4"
    & skf21("4","4","5","3","3","3","2","1") = "4"
    & skf21("4","4","5","3","3","3","3","1") = "4"
    & skf21("4","4","5","3","3","3","4","1") = "4"
    & skf21("4","4","5","3","3","3","5","1") = "4"
    & skf21("4","4","5","3","3","3","6","1") = "5"
    & skf21("4","4","5","3","3","3","7","1") = "6"
    & skf21("4","4","5","3","3","4","1","1") = "4"
    & skf21("4","4","5","3","3","4","2","1") = "4"
    & skf21("4","4","5","3","3","4","3","1") = "4"
    & skf21("4","4","5","3","3","4","4","1") = "4"
    & skf21("4","4","5","3","3","4","5","1") = "4"
    & skf21("4","4","5","3","3","4","6","1") = "5"
    & skf21("4","4","5","3","3","4","7","1") = "6"
    & skf21("4","4","5","3","3","5","1","1") = "4"
    & skf21("4","4","5","3","3","5","2","1") = "4"
    & skf21("4","4","5","3","3","5","3","1") = "4"
    & skf21("4","4","5","3","3","5","4","1") = "4"
    & skf21("4","4","5","3","3","5","5","1") = "4"
    & skf21("4","4","5","3","3","5","6","1") = "5"
    & skf21("4","4","5","3","3","5","7","1") = "6"
    & skf21("4","4","5","3","3","6","1","1") = "5"
    & skf21("4","4","5","3","3","6","2","1") = "5"
    & skf21("4","4","5","3","3","6","3","1") = "5"
    & skf21("4","4","5","3","3","6","4","1") = "5"
    & skf21("4","4","5","3","3","6","5","1") = "5"
    & skf21("4","4","5","3","3","6","6","1") = "5"
    & skf21("4","4","5","3","3","6","7","1") = "6"
    & skf21("4","4","5","3","3","7","1","1") = "6"
    & skf21("4","4","5","3","3","7","2","1") = "6"
    & skf21("4","4","5","3","3","7","3","1") = "6"
    & skf21("4","4","5","3","3","7","4","1") = "6"
    & skf21("4","4","5","3","3","7","5","1") = "6"
    & skf21("4","4","5","3","3","7","6","1") = "6"
    & skf21("4","4","5","3","3","7","7","1") = "6"
    & skf21("4","4","5","3","4","1","1","1") = "4"
    & skf21("4","4","5","3","4","1","2","1") = "4"
    & skf21("4","4","5","3","4","1","3","1") = "4"
    & skf21("4","4","5","3","4","1","4","1") = "4"
    & skf21("4","4","5","3","4","1","5","1") = "4"
    & skf21("4","4","5","3","4","1","6","1") = "5"
    & skf21("4","4","5","3","4","1","7","1") = "6"
    & skf21("4","4","5","3","4","2","1","1") = "4"
    & skf21("4","4","5","3","4","2","2","1") = "4"
    & skf21("4","4","5","3","4","2","3","1") = "4"
    & skf21("4","4","5","3","4","2","4","1") = "4"
    & skf21("4","4","5","3","4","2","5","1") = "4"
    & skf21("4","4","5","3","4","2","6","1") = "5"
    & skf21("4","4","5","3","4","2","7","1") = "6"
    & skf21("4","4","5","3","4","3","1","1") = "4"
    & skf21("4","4","5","3","4","3","2","1") = "4"
    & skf21("4","4","5","3","4","3","3","1") = "4"
    & skf21("4","4","5","3","4","3","4","1") = "4"
    & skf21("4","4","5","3","4","3","5","1") = "4"
    & skf21("4","4","5","3","4","3","6","1") = "5"
    & skf21("4","4","5","3","4","3","7","1") = "6"
    & skf21("4","4","5","3","4","4","1","1") = "4"
    & skf21("4","4","5","3","4","4","2","1") = "4"
    & skf21("4","4","5","3","4","4","3","1") = "4"
    & skf21("4","4","5","3","4","4","4","1") = "4"
    & skf21("4","4","5","3","4","4","5","1") = "4"
    & skf21("4","4","5","3","4","4","6","1") = "5"
    & skf21("4","4","5","3","4","4","7","1") = "6"
    & skf21("4","4","5","3","4","5","1","1") = "4"
    & skf21("4","4","5","3","4","5","2","1") = "4"
    & skf21("4","4","5","3","4","5","3","1") = "4"
    & skf21("4","4","5","3","4","5","4","1") = "4"
    & skf21("4","4","5","3","4","5","5","1") = "4"
    & skf21("4","4","5","3","4","5","6","1") = "5"
    & skf21("4","4","5","3","4","5","7","1") = "6"
    & skf21("4","4","5","3","4","6","1","1") = "5"
    & skf21("4","4","5","3","4","6","2","1") = "5"
    & skf21("4","4","5","3","4","6","3","1") = "5"
    & skf21("4","4","5","3","4","6","4","1") = "5"
    & skf21("4","4","5","3","4","6","5","1") = "5"
    & skf21("4","4","5","3","4","6","6","1") = "5"
    & skf21("4","4","5","3","4","6","7","1") = "6"
    & skf21("4","4","5","3","4","7","1","1") = "6"
    & skf21("4","4","5","3","4","7","2","1") = "6"
    & skf21("4","4","5","3","4","7","3","1") = "6"
    & skf21("4","4","5","3","4","7","4","1") = "6"
    & skf21("4","4","5","3","4","7","5","1") = "6"
    & skf21("4","4","5","3","4","7","6","1") = "6"
    & skf21("4","4","5","3","4","7","7","1") = "6"
    & skf21("4","4","5","3","5","1","1","1") = "4"
    & skf21("4","4","5","3","5","1","2","1") = "4"
    & skf21("4","4","5","3","5","1","3","1") = "4"
    & skf21("4","4","5","3","5","1","4","1") = "4"
    & skf21("4","4","5","3","5","1","5","1") = "4"
    & skf21("4","4","5","3","5","1","6","1") = "5"
    & skf21("4","4","5","3","5","1","7","1") = "6"
    & skf21("4","4","5","3","5","2","1","1") = "4"
    & skf21("4","4","5","3","5","2","2","1") = "4"
    & skf21("4","4","5","3","5","2","3","1") = "4"
    & skf21("4","4","5","3","5","2","4","1") = "4"
    & skf21("4","4","5","3","5","2","5","1") = "4"
    & skf21("4","4","5","3","5","2","6","1") = "5"
    & skf21("4","4","5","3","5","2","7","1") = "6"
    & skf21("4","4","5","3","5","3","1","1") = "4"
    & skf21("4","4","5","3","5","3","2","1") = "4"
    & skf21("4","4","5","3","5","3","3","1") = "4"
    & skf21("4","4","5","3","5","3","4","1") = "4"
    & skf21("4","4","5","3","5","3","5","1") = "4"
    & skf21("4","4","5","3","5","3","6","1") = "5"
    & skf21("4","4","5","3","5","3","7","1") = "6"
    & skf21("4","4","5","3","5","4","1","1") = "4"
    & skf21("4","4","5","3","5","4","2","1") = "4"
    & skf21("4","4","5","3","5","4","3","1") = "4"
    & skf21("4","4","5","3","5","4","4","1") = "4"
    & skf21("4","4","5","3","5","4","5","1") = "4"
    & skf21("4","4","5","3","5","4","6","1") = "5"
    & skf21("4","4","5","3","5","4","7","1") = "6"
    & skf21("4","4","5","3","5","5","1","1") = "4"
    & skf21("4","4","5","3","5","5","2","1") = "4"
    & skf21("4","4","5","3","5","5","3","1") = "4"
    & skf21("4","4","5","3","5","5","4","1") = "4"
    & skf21("4","4","5","3","5","5","5","1") = "4"
    & skf21("4","4","5","3","5","5","6","1") = "5"
    & skf21("4","4","5","3","5","5","7","1") = "6"
    & skf21("4","4","5","3","5","6","1","1") = "5"
    & skf21("4","4","5","3","5","6","2","1") = "5"
    & skf21("4","4","5","3","5","6","3","1") = "5"
    & skf21("4","4","5","3","5","6","4","1") = "5"
    & skf21("4","4","5","3","5","6","5","1") = "5"
    & skf21("4","4","5","3","5","6","6","1") = "5"
    & skf21("4","4","5","3","5","6","7","1") = "6"
    & skf21("4","4","5","3","5","7","1","1") = "6"
    & skf21("4","4","5","3","5","7","2","1") = "6"
    & skf21("4","4","5","3","5","7","3","1") = "6"
    & skf21("4","4","5","3","5","7","4","1") = "6"
    & skf21("4","4","5","3","5","7","5","1") = "6"
    & skf21("4","4","5","3","5","7","6","1") = "6"
    & skf21("4","4","5","3","5","7","7","1") = "6"
    & skf21("4","4","5","3","6","1","1","1") = "5"
    & skf21("4","4","5","3","6","1","2","1") = "5"
    & skf21("4","4","5","3","6","1","3","1") = "5"
    & skf21("4","4","5","3","6","1","4","1") = "5"
    & skf21("4","4","5","3","6","1","5","1") = "5"
    & skf21("4","4","5","3","6","1","6","1") = "5"
    & skf21("4","4","5","3","6","1","7","1") = "6"
    & skf21("4","4","5","3","6","2","1","1") = "5"
    & skf21("4","4","5","3","6","2","2","1") = "5"
    & skf21("4","4","5","3","6","2","3","1") = "5"
    & skf21("4","4","5","3","6","2","4","1") = "5"
    & skf21("4","4","5","3","6","2","5","1") = "5"
    & skf21("4","4","5","3","6","2","6","1") = "5"
    & skf21("4","4","5","3","6","2","7","1") = "6"
    & skf21("4","4","5","3","6","3","1","1") = "5"
    & skf21("4","4","5","3","6","3","2","1") = "5"
    & skf21("4","4","5","3","6","3","3","1") = "5"
    & skf21("4","4","5","3","6","3","4","1") = "5"
    & skf21("4","4","5","3","6","3","5","1") = "5"
    & skf21("4","4","5","3","6","3","6","1") = "5"
    & skf21("4","4","5","3","6","3","7","1") = "6"
    & skf21("4","4","5","3","6","4","1","1") = "5"
    & skf21("4","4","5","3","6","4","2","1") = "5"
    & skf21("4","4","5","3","6","4","3","1") = "5"
    & skf21("4","4","5","3","6","4","4","1") = "5"
    & skf21("4","4","5","3","6","4","5","1") = "5"
    & skf21("4","4","5","3","6","4","6","1") = "5"
    & skf21("4","4","5","3","6","4","7","1") = "6"
    & skf21("4","4","5","3","6","5","1","1") = "5"
    & skf21("4","4","5","3","6","5","2","1") = "5"
    & skf21("4","4","5","3","6","5","3","1") = "5"
    & skf21("4","4","5","3","6","5","4","1") = "5"
    & skf21("4","4","5","3","6","5","5","1") = "5"
    & skf21("4","4","5","3","6","5","6","1") = "5"
    & skf21("4","4","5","3","6","5","7","1") = "6"
    & skf21("4","4","5","3","6","6","1","1") = "5"
    & skf21("4","4","5","3","6","6","2","1") = "5"
    & skf21("4","4","5","3","6","6","3","1") = "5"
    & skf21("4","4","5","3","6","6","4","1") = "5"
    & skf21("4","4","5","3","6","6","5","1") = "5"
    & skf21("4","4","5","3","6","6","6","1") = "5"
    & skf21("4","4","5","3","6","6","7","1") = "6"
    & skf21("4","4","5","3","6","7","1","1") = "6"
    & skf21("4","4","5","3","6","7","2","1") = "6"
    & skf21("4","4","5","3","6","7","3","1") = "6"
    & skf21("4","4","5","3","6","7","4","1") = "6"
    & skf21("4","4","5","3","6","7","5","1") = "6"
    & skf21("4","4","5","3","6","7","6","1") = "6"
    & skf21("4","4","5","3","6","7","7","1") = "6"
    & skf21("4","4","5","3","7","1","1","1") = "6"
    & skf21("4","4","5","3","7","1","2","1") = "6"
    & skf21("4","4","5","3","7","1","3","1") = "6"
    & skf21("4","4","5","3","7","1","4","1") = "6"
    & skf21("4","4","5","3","7","1","5","1") = "6"
    & skf21("4","4","5","3","7","1","6","1") = "6"
    & skf21("4","4","5","3","7","1","7","1") = "6"
    & skf21("4","4","5","3","7","2","1","1") = "6"
    & skf21("4","4","5","3","7","2","2","1") = "6"
    & skf21("4","4","5","3","7","2","3","1") = "6"
    & skf21("4","4","5","3","7","2","4","1") = "6"
    & skf21("4","4","5","3","7","2","5","1") = "6"
    & skf21("4","4","5","3","7","2","6","1") = "6"
    & skf21("4","4","5","3","7","2","7","1") = "6"
    & skf21("4","4","5","3","7","3","1","1") = "6"
    & skf21("4","4","5","3","7","3","2","1") = "6"
    & skf21("4","4","5","3","7","3","3","1") = "6"
    & skf21("4","4","5","3","7","3","4","1") = "6"
    & skf21("4","4","5","3","7","3","5","1") = "6"
    & skf21("4","4","5","3","7","3","6","1") = "6"
    & skf21("4","4","5","3","7","3","7","1") = "6"
    & skf21("4","4","5","3","7","4","1","1") = "6"
    & skf21("4","4","5","3","7","4","2","1") = "6"
    & skf21("4","4","5","3","7","4","3","1") = "6"
    & skf21("4","4","5","3","7","4","4","1") = "6"
    & skf21("4","4","5","3","7","4","5","1") = "6"
    & skf21("4","4","5","3","7","4","6","1") = "6"
    & skf21("4","4","5","3","7","4","7","1") = "6"
    & skf21("4","4","5","3","7","5","1","1") = "6"
    & skf21("4","4","5","3","7","5","2","1") = "6"
    & skf21("4","4","5","3","7","5","3","1") = "6"
    & skf21("4","4","5","3","7","5","4","1") = "6"
    & skf21("4","4","5","3","7","5","5","1") = "6"
    & skf21("4","4","5","3","7","5","6","1") = "6"
    & skf21("4","4","5","3","7","5","7","1") = "6"
    & skf21("4","4","5","3","7","6","1","1") = "6"
    & skf21("4","4","5","3","7","6","2","1") = "6"
    & skf21("4","4","5","3","7","6","3","1") = "6"
    & skf21("4","4","5","3","7","6","4","1") = "6"
    & skf21("4","4","5","3","7","6","5","1") = "6"
    & skf21("4","4","5","3","7","6","6","1") = "6"
    & skf21("4","4","5","3","7","6","7","1") = "6"
    & skf21("4","4","5","3","7","7","1","1") = "6"
    & skf21("4","4","5","3","7","7","2","1") = "6"
    & skf21("4","4","5","3","7","7","3","1") = "6"
    & skf21("4","4","5","3","7","7","4","1") = "6"
    & skf21("4","4","5","3","7","7","5","1") = "6"
    & skf21("4","4","5","3","7","7","6","1") = "6"
    & skf21("4","4","5","3","7","7","7","1") = "6"
    & skf21("4","4","5","4","1","1","1","1") = "4"
    & skf21("4","4","5","4","1","1","2","1") = "4"
    & skf21("4","4","5","4","1","1","3","1") = "4"
    & skf21("4","4","5","4","1","1","4","1") = "4"
    & skf21("4","4","5","4","1","1","5","1") = "4"
    & skf21("4","4","5","4","1","1","6","1") = "5"
    & skf21("4","4","5","4","1","1","7","1") = "6"
    & skf21("4","4","5","4","1","2","1","1") = "4"
    & skf21("4","4","5","4","1","2","2","1") = "4"
    & skf21("4","4","5","4","1","2","3","1") = "4"
    & skf21("4","4","5","4","1","2","4","1") = "4"
    & skf21("4","4","5","4","1","2","5","1") = "4"
    & skf21("4","4","5","4","1","2","6","1") = "5"
    & skf21("4","4","5","4","1","2","7","1") = "6"
    & skf21("4","4","5","4","1","3","1","1") = "4"
    & skf21("4","4","5","4","1","3","2","1") = "4"
    & skf21("4","4","5","4","1","3","3","1") = "4"
    & skf21("4","4","5","4","1","3","4","1") = "4"
    & skf21("4","4","5","4","1","3","5","1") = "4"
    & skf21("4","4","5","4","1","3","6","1") = "5"
    & skf21("4","4","5","4","1","3","7","1") = "6"
    & skf21("4","4","5","4","1","4","1","1") = "4"
    & skf21("4","4","5","4","1","4","2","1") = "4"
    & skf21("4","4","5","4","1","4","3","1") = "4"
    & skf21("4","4","5","4","1","4","4","1") = "4"
    & skf21("4","4","5","4","1","4","5","1") = "4"
    & skf21("4","4","5","4","1","4","6","1") = "5"
    & skf21("4","4","5","4","1","4","7","1") = "6"
    & skf21("4","4","5","4","1","5","1","1") = "4"
    & skf21("4","4","5","4","1","5","2","1") = "4"
    & skf21("4","4","5","4","1","5","3","1") = "4"
    & skf21("4","4","5","4","1","5","4","1") = "4"
    & skf21("4","4","5","4","1","5","5","1") = "4"
    & skf21("4","4","5","4","1","5","6","1") = "5"
    & skf21("4","4","5","4","1","5","7","1") = "6"
    & skf21("4","4","5","4","1","6","1","1") = "5"
    & skf21("4","4","5","4","1","6","2","1") = "5"
    & skf21("4","4","5","4","1","6","3","1") = "5"
    & skf21("4","4","5","4","1","6","4","1") = "5"
    & skf21("4","4","5","4","1","6","5","1") = "5"
    & skf21("4","4","5","4","1","6","6","1") = "5"
    & skf21("4","4","5","4","1","6","7","1") = "6"
    & skf21("4","4","5","4","1","7","1","1") = "6"
    & skf21("4","4","5","4","1","7","2","1") = "6"
    & skf21("4","4","5","4","1","7","3","1") = "6"
    & skf21("4","4","5","4","1","7","4","1") = "6"
    & skf21("4","4","5","4","1","7","5","1") = "6"
    & skf21("4","4","5","4","1","7","6","1") = "6"
    & skf21("4","4","5","4","1","7","7","1") = "6"
    & skf21("4","4","5","4","2","1","1","1") = "4"
    & skf21("4","4","5","4","2","1","2","1") = "4"
    & skf21("4","4","5","4","2","1","3","1") = "4"
    & skf21("4","4","5","4","2","1","4","1") = "4"
    & skf21("4","4","5","4","2","1","5","1") = "4"
    & skf21("4","4","5","4","2","1","6","1") = "5"
    & skf21("4","4","5","4","2","1","7","1") = "6"
    & skf21("4","4","5","4","2","2","1","1") = "4"
    & skf21("4","4","5","4","2","2","2","1") = "4"
    & skf21("4","4","5","4","2","2","3","1") = "4"
    & skf21("4","4","5","4","2","2","4","1") = "4"
    & skf21("4","4","5","4","2","2","5","1") = "4"
    & skf21("4","4","5","4","2","2","6","1") = "5"
    & skf21("4","4","5","4","2","2","7","1") = "6"
    & skf21("4","4","5","4","2","3","1","1") = "4"
    & skf21("4","4","5","4","2","3","2","1") = "4"
    & skf21("4","4","5","4","2","3","3","1") = "4"
    & skf21("4","4","5","4","2","3","4","1") = "4"
    & skf21("4","4","5","4","2","3","5","1") = "4"
    & skf21("4","4","5","4","2","3","6","1") = "5"
    & skf21("4","4","5","4","2","3","7","1") = "6"
    & skf21("4","4","5","4","2","4","1","1") = "4"
    & skf21("4","4","5","4","2","4","2","1") = "4"
    & skf21("4","4","5","4","2","4","3","1") = "4"
    & skf21("4","4","5","4","2","4","4","1") = "4"
    & skf21("4","4","5","4","2","4","5","1") = "4"
    & skf21("4","4","5","4","2","4","6","1") = "5"
    & skf21("4","4","5","4","2","4","7","1") = "6"
    & skf21("4","4","5","4","2","5","1","1") = "4"
    & skf21("4","4","5","4","2","5","2","1") = "4"
    & skf21("4","4","5","4","2","5","3","1") = "4"
    & skf21("4","4","5","4","2","5","4","1") = "4"
    & skf21("4","4","5","4","2","5","5","1") = "4"
    & skf21("4","4","5","4","2","5","6","1") = "5"
    & skf21("4","4","5","4","2","5","7","1") = "6"
    & skf21("4","4","5","4","2","6","1","1") = "5"
    & skf21("4","4","5","4","2","6","2","1") = "5"
    & skf21("4","4","5","4","2","6","3","1") = "5"
    & skf21("4","4","5","4","2","6","4","1") = "5"
    & skf21("4","4","5","4","2","6","5","1") = "5"
    & skf21("4","4","5","4","2","6","6","1") = "5"
    & skf21("4","4","5","4","2","6","7","1") = "6"
    & skf21("4","4","5","4","2","7","1","1") = "6"
    & skf21("4","4","5","4","2","7","2","1") = "6"
    & skf21("4","4","5","4","2","7","3","1") = "6"
    & skf21("4","4","5","4","2","7","4","1") = "6"
    & skf21("4","4","5","4","2","7","5","1") = "6"
    & skf21("4","4","5","4","2","7","6","1") = "6"
    & skf21("4","4","5","4","2","7","7","1") = "6"
    & skf21("4","4","5","4","3","1","1","1") = "4"
    & skf21("4","4","5","4","3","1","2","1") = "4"
    & skf21("4","4","5","4","3","1","3","1") = "4"
    & skf21("4","4","5","4","3","1","4","1") = "4"
    & skf21("4","4","5","4","3","1","5","1") = "4"
    & skf21("4","4","5","4","3","1","6","1") = "5"
    & skf21("4","4","5","4","3","1","7","1") = "6"
    & skf21("4","4","5","4","3","2","1","1") = "4"
    & skf21("4","4","5","4","3","2","2","1") = "4"
    & skf21("4","4","5","4","3","2","3","1") = "4"
    & skf21("4","4","5","4","3","2","4","1") = "4"
    & skf21("4","4","5","4","3","2","5","1") = "4"
    & skf21("4","4","5","4","3","2","6","1") = "5"
    & skf21("4","4","5","4","3","2","7","1") = "6"
    & skf21("4","4","5","4","3","3","1","1") = "4"
    & skf21("4","4","5","4","3","3","2","1") = "4"
    & skf21("4","4","5","4","3","3","3","1") = "4"
    & skf21("4","4","5","4","3","3","4","1") = "4"
    & skf21("4","4","5","4","3","3","5","1") = "4"
    & skf21("4","4","5","4","3","3","6","1") = "5"
    & skf21("4","4","5","4","3","3","7","1") = "6"
    & skf21("4","4","5","4","3","4","1","1") = "4"
    & skf21("4","4","5","4","3","4","2","1") = "4"
    & skf21("4","4","5","4","3","4","3","1") = "4"
    & skf21("4","4","5","4","3","4","4","1") = "4"
    & skf21("4","4","5","4","3","4","5","1") = "4"
    & skf21("4","4","5","4","3","4","6","1") = "5"
    & skf21("4","4","5","4","3","4","7","1") = "6"
    & skf21("4","4","5","4","3","5","1","1") = "4"
    & skf21("4","4","5","4","3","5","2","1") = "4"
    & skf21("4","4","5","4","3","5","3","1") = "4"
    & skf21("4","4","5","4","3","5","4","1") = "4"
    & skf21("4","4","5","4","3","5","5","1") = "4"
    & skf21("4","4","5","4","3","5","6","1") = "5"
    & skf21("4","4","5","4","3","5","7","1") = "6"
    & skf21("4","4","5","4","3","6","1","1") = "5"
    & skf21("4","4","5","4","3","6","2","1") = "5"
    & skf21("4","4","5","4","3","6","3","1") = "5"
    & skf21("4","4","5","4","3","6","4","1") = "5"
    & skf21("4","4","5","4","3","6","5","1") = "5"
    & skf21("4","4","5","4","3","6","6","1") = "5"
    & skf21("4","4","5","4","3","6","7","1") = "6"
    & skf21("4","4","5","4","3","7","1","1") = "6"
    & skf21("4","4","5","4","3","7","2","1") = "6"
    & skf21("4","4","5","4","3","7","3","1") = "6"
    & skf21("4","4","5","4","3","7","4","1") = "6"
    & skf21("4","4","5","4","3","7","5","1") = "6"
    & skf21("4","4","5","4","3","7","6","1") = "6"
    & skf21("4","4","5","4","3","7","7","1") = "6"
    & skf21("4","4","5","4","4","1","1","1") = "4"
    & skf21("4","4","5","4","4","1","2","1") = "4"
    & skf21("4","4","5","4","4","1","3","1") = "4"
    & skf21("4","4","5","4","4","1","4","1") = "4"
    & skf21("4","4","5","4","4","1","5","1") = "4"
    & skf21("4","4","5","4","4","1","6","1") = "5"
    & skf21("4","4","5","4","4","1","7","1") = "6"
    & skf21("4","4","5","4","4","2","1","1") = "4"
    & skf21("4","4","5","4","4","2","2","1") = "4"
    & skf21("4","4","5","4","4","2","3","1") = "4"
    & skf21("4","4","5","4","4","2","4","1") = "4"
    & skf21("4","4","5","4","4","2","5","1") = "4"
    & skf21("4","4","5","4","4","2","6","1") = "5"
    & skf21("4","4","5","4","4","2","7","1") = "6"
    & skf21("4","4","5","4","4","3","1","1") = "4"
    & skf21("4","4","5","4","4","3","2","1") = "4"
    & skf21("4","4","5","4","4","3","3","1") = "4"
    & skf21("4","4","5","4","4","3","4","1") = "4"
    & skf21("4","4","5","4","4","3","5","1") = "4"
    & skf21("4","4","5","4","4","3","6","1") = "5"
    & skf21("4","4","5","4","4","3","7","1") = "6"
    & skf21("4","4","5","4","4","4","1","1") = "4"
    & skf21("4","4","5","4","4","4","2","1") = "4"
    & skf21("4","4","5","4","4","4","3","1") = "4"
    & skf21("4","4","5","4","4","4","4","1") = "4"
    & skf21("4","4","5","4","4","4","5","1") = "4"
    & skf21("4","4","5","4","4","4","6","1") = "5"
    & skf21("4","4","5","4","4","4","7","1") = "6"
    & skf21("4","4","5","4","4","5","1","1") = "4"
    & skf21("4","4","5","4","4","5","2","1") = "4"
    & skf21("4","4","5","4","4","5","3","1") = "4"
    & skf21("4","4","5","4","4","5","4","1") = "4"
    & skf21("4","4","5","4","4","5","5","1") = "4"
    & skf21("4","4","5","4","4","5","6","1") = "5"
    & skf21("4","4","5","4","4","5","7","1") = "6"
    & skf21("4","4","5","4","4","6","1","1") = "5"
    & skf21("4","4","5","4","4","6","2","1") = "5"
    & skf21("4","4","5","4","4","6","3","1") = "5"
    & skf21("4","4","5","4","4","6","4","1") = "5"
    & skf21("4","4","5","4","4","6","5","1") = "5"
    & skf21("4","4","5","4","4","6","6","1") = "5"
    & skf21("4","4","5","4","4","6","7","1") = "6"
    & skf21("4","4","5","4","4","7","1","1") = "6"
    & skf21("4","4","5","4","4","7","2","1") = "6"
    & skf21("4","4","5","4","4","7","3","1") = "6"
    & skf21("4","4","5","4","4","7","4","1") = "6"
    & skf21("4","4","5","4","4","7","5","1") = "6"
    & skf21("4","4","5","4","4","7","6","1") = "6"
    & skf21("4","4","5","4","4","7","7","1") = "6"
    & skf21("4","4","5","4","5","1","1","1") = "4"
    & skf21("4","4","5","4","5","1","2","1") = "4"
    & skf21("4","4","5","4","5","1","3","1") = "4"
    & skf21("4","4","5","4","5","1","4","1") = "4"
    & skf21("4","4","5","4","5","1","5","1") = "4"
    & skf21("4","4","5","4","5","1","6","1") = "5"
    & skf21("4","4","5","4","5","1","7","1") = "6"
    & skf21("4","4","5","4","5","2","1","1") = "4"
    & skf21("4","4","5","4","5","2","2","1") = "4"
    & skf21("4","4","5","4","5","2","3","1") = "4"
    & skf21("4","4","5","4","5","2","4","1") = "4"
    & skf21("4","4","5","4","5","2","5","1") = "4"
    & skf21("4","4","5","4","5","2","6","1") = "5"
    & skf21("4","4","5","4","5","2","7","1") = "6"
    & skf21("4","4","5","4","5","3","1","1") = "4"
    & skf21("4","4","5","4","5","3","2","1") = "4"
    & skf21("4","4","5","4","5","3","3","1") = "4"
    & skf21("4","4","5","4","5","3","4","1") = "4"
    & skf21("4","4","5","4","5","3","5","1") = "4"
    & skf21("4","4","5","4","5","3","6","1") = "5"
    & skf21("4","4","5","4","5","3","7","1") = "6"
    & skf21("4","4","5","4","5","4","1","1") = "4"
    & skf21("4","4","5","4","5","4","2","1") = "4"
    & skf21("4","4","5","4","5","4","3","1") = "4"
    & skf21("4","4","5","4","5","4","4","1") = "4"
    & skf21("4","4","5","4","5","4","5","1") = "4"
    & skf21("4","4","5","4","5","4","6","1") = "5"
    & skf21("4","4","5","4","5","4","7","1") = "6"
    & skf21("4","4","5","4","5","5","1","1") = "4"
    & skf21("4","4","5","4","5","5","2","1") = "4"
    & skf21("4","4","5","4","5","5","3","1") = "4"
    & skf21("4","4","5","4","5","5","4","1") = "4"
    & skf21("4","4","5","4","5","5","5","1") = "4"
    & skf21("4","4","5","4","5","5","6","1") = "5"
    & skf21("4","4","5","4","5","5","7","1") = "6"
    & skf21("4","4","5","4","5","6","1","1") = "5"
    & skf21("4","4","5","4","5","6","2","1") = "5"
    & skf21("4","4","5","4","5","6","3","1") = "5"
    & skf21("4","4","5","4","5","6","4","1") = "5"
    & skf21("4","4","5","4","5","6","5","1") = "5"
    & skf21("4","4","5","4","5","6","6","1") = "5"
    & skf21("4","4","5","4","5","6","7","1") = "6"
    & skf21("4","4","5","4","5","7","1","1") = "6"
    & skf21("4","4","5","4","5","7","2","1") = "6"
    & skf21("4","4","5","4","5","7","3","1") = "6"
    & skf21("4","4","5","4","5","7","4","1") = "6"
    & skf21("4","4","5","4","5","7","5","1") = "6"
    & skf21("4","4","5","4","5","7","6","1") = "6"
    & skf21("4","4","5","4","5","7","7","1") = "6"
    & skf21("4","4","5","4","6","1","1","1") = "5"
    & skf21("4","4","5","4","6","1","2","1") = "5"
    & skf21("4","4","5","4","6","1","3","1") = "5"
    & skf21("4","4","5","4","6","1","4","1") = "5"
    & skf21("4","4","5","4","6","1","5","1") = "5"
    & skf21("4","4","5","4","6","1","6","1") = "5"
    & skf21("4","4","5","4","6","1","7","1") = "6"
    & skf21("4","4","5","4","6","2","1","1") = "5"
    & skf21("4","4","5","4","6","2","2","1") = "5"
    & skf21("4","4","5","4","6","2","3","1") = "5"
    & skf21("4","4","5","4","6","2","4","1") = "5"
    & skf21("4","4","5","4","6","2","5","1") = "5"
    & skf21("4","4","5","4","6","2","6","1") = "5"
    & skf21("4","4","5","4","6","2","7","1") = "6"
    & skf21("4","4","5","4","6","3","1","1") = "5"
    & skf21("4","4","5","4","6","3","2","1") = "5"
    & skf21("4","4","5","4","6","3","3","1") = "5"
    & skf21("4","4","5","4","6","3","4","1") = "5"
    & skf21("4","4","5","4","6","3","5","1") = "5"
    & skf21("4","4","5","4","6","3","6","1") = "5"
    & skf21("4","4","5","4","6","3","7","1") = "6"
    & skf21("4","4","5","4","6","4","1","1") = "5"
    & skf21("4","4","5","4","6","4","2","1") = "5"
    & skf21("4","4","5","4","6","4","3","1") = "5"
    & skf21("4","4","5","4","6","4","4","1") = "5"
    & skf21("4","4","5","4","6","4","5","1") = "5"
    & skf21("4","4","5","4","6","4","6","1") = "5"
    & skf21("4","4","5","4","6","4","7","1") = "6"
    & skf21("4","4","5","4","6","5","1","1") = "5"
    & skf21("4","4","5","4","6","5","2","1") = "5"
    & skf21("4","4","5","4","6","5","3","1") = "5"
    & skf21("4","4","5","4","6","5","4","1") = "5"
    & skf21("4","4","5","4","6","5","5","1") = "5"
    & skf21("4","4","5","4","6","5","6","1") = "5"
    & skf21("4","4","5","4","6","5","7","1") = "6"
    & skf21("4","4","5","4","6","6","1","1") = "5"
    & skf21("4","4","5","4","6","6","2","1") = "5"
    & skf21("4","4","5","4","6","6","3","1") = "5"
    & skf21("4","4","5","4","6","6","4","1") = "5"
    & skf21("4","4","5","4","6","6","5","1") = "5"
    & skf21("4","4","5","4","6","6","6","1") = "5"
    & skf21("4","4","5","4","6","6","7","1") = "6"
    & skf21("4","4","5","4","6","7","1","1") = "6"
    & skf21("4","4","5","4","6","7","2","1") = "6"
    & skf21("4","4","5","4","6","7","3","1") = "6"
    & skf21("4","4","5","4","6","7","4","1") = "6"
    & skf21("4","4","5","4","6","7","5","1") = "6"
    & skf21("4","4","5","4","6","7","6","1") = "6"
    & skf21("4","4","5","4","6","7","7","1") = "6"
    & skf21("4","4","5","4","7","1","1","1") = "6"
    & skf21("4","4","5","4","7","1","2","1") = "6"
    & skf21("4","4","5","4","7","1","3","1") = "6"
    & skf21("4","4","5","4","7","1","4","1") = "6"
    & skf21("4","4","5","4","7","1","5","1") = "6"
    & skf21("4","4","5","4","7","1","6","1") = "6"
    & skf21("4","4","5","4","7","1","7","1") = "6"
    & skf21("4","4","5","4","7","2","1","1") = "6"
    & skf21("4","4","5","4","7","2","2","1") = "6"
    & skf21("4","4","5","4","7","2","3","1") = "6"
    & skf21("4","4","5","4","7","2","4","1") = "6"
    & skf21("4","4","5","4","7","2","5","1") = "6"
    & skf21("4","4","5","4","7","2","6","1") = "6"
    & skf21("4","4","5","4","7","2","7","1") = "6"
    & skf21("4","4","5","4","7","3","1","1") = "6"
    & skf21("4","4","5","4","7","3","2","1") = "6"
    & skf21("4","4","5","4","7","3","3","1") = "6"
    & skf21("4","4","5","4","7","3","4","1") = "6"
    & skf21("4","4","5","4","7","3","5","1") = "6"
    & skf21("4","4","5","4","7","3","6","1") = "6"
    & skf21("4","4","5","4","7","3","7","1") = "6"
    & skf21("4","4","5","4","7","4","1","1") = "6"
    & skf21("4","4","5","4","7","4","2","1") = "6"
    & skf21("4","4","5","4","7","4","3","1") = "6"
    & skf21("4","4","5","4","7","4","4","1") = "6"
    & skf21("4","4","5","4","7","4","5","1") = "6"
    & skf21("4","4","5","4","7","4","6","1") = "6"
    & skf21("4","4","5","4","7","4","7","1") = "6"
    & skf21("4","4","5","4","7","5","1","1") = "6"
    & skf21("4","4","5","4","7","5","2","1") = "6"
    & skf21("4","4","5","4","7","5","3","1") = "6"
    & skf21("4","4","5","4","7","5","4","1") = "6"
    & skf21("4","4","5","4","7","5","5","1") = "6"
    & skf21("4","4","5","4","7","5","6","1") = "6"
    & skf21("4","4","5","4","7","5","7","1") = "6"
    & skf21("4","4","5","4","7","6","1","1") = "6"
    & skf21("4","4","5","4","7","6","2","1") = "6"
    & skf21("4","4","5","4","7","6","3","1") = "6"
    & skf21("4","4","5","4","7","6","4","1") = "6"
    & skf21("4","4","5","4","7","6","5","1") = "6"
    & skf21("4","4","5","4","7","6","6","1") = "6"
    & skf21("4","4","5","4","7","6","7","1") = "6"
    & skf21("4","4","5","4","7","7","1","1") = "6"
    & skf21("4","4","5","4","7","7","2","1") = "6"
    & skf21("4","4","5","4","7","7","3","1") = "6"
    & skf21("4","4","5","4","7","7","4","1") = "6"
    & skf21("4","4","5","4","7","7","5","1") = "6"
    & skf21("4","4","5","4","7","7","6","1") = "6"
    & skf21("4","4","5","4","7","7","7","1") = "6"
    & skf21("4","4","5","5","1","1","1","1") = "4"
    & skf21("4","4","5","5","1","1","2","1") = "4"
    & skf21("4","4","5","5","1","1","3","1") = "4"
    & skf21("4","4","5","5","1","1","4","1") = "4"
    & skf21("4","4","5","5","1","1","5","1") = "4"
    & skf21("4","4","5","5","1","1","6","1") = "5"
    & skf21("4","4","5","5","1","1","7","1") = "6"
    & skf21("4","4","5","5","1","2","1","1") = "4"
    & skf21("4","4","5","5","1","2","2","1") = "4"
    & skf21("4","4","5","5","1","2","3","1") = "4"
    & skf21("4","4","5","5","1","2","4","1") = "4"
    & skf21("4","4","5","5","1","2","5","1") = "4"
    & skf21("4","4","5","5","1","2","6","1") = "5"
    & skf21("4","4","5","5","1","2","7","1") = "6"
    & skf21("4","4","5","5","1","3","1","1") = "4"
    & skf21("4","4","5","5","1","3","2","1") = "4"
    & skf21("4","4","5","5","1","3","3","1") = "4"
    & skf21("4","4","5","5","1","3","4","1") = "4"
    & skf21("4","4","5","5","1","3","5","1") = "4"
    & skf21("4","4","5","5","1","3","6","1") = "5"
    & skf21("4","4","5","5","1","3","7","1") = "6"
    & skf21("4","4","5","5","1","4","1","1") = "4"
    & skf21("4","4","5","5","1","4","2","1") = "4"
    & skf21("4","4","5","5","1","4","3","1") = "4"
    & skf21("4","4","5","5","1","4","4","1") = "4"
    & skf21("4","4","5","5","1","4","5","1") = "4"
    & skf21("4","4","5","5","1","4","6","1") = "5"
    & skf21("4","4","5","5","1","4","7","1") = "6"
    & skf21("4","4","5","5","1","5","1","1") = "4"
    & skf21("4","4","5","5","1","5","2","1") = "4"
    & skf21("4","4","5","5","1","5","3","1") = "4"
    & skf21("4","4","5","5","1","5","4","1") = "4"
    & skf21("4","4","5","5","1","5","5","1") = "4"
    & skf21("4","4","5","5","1","5","6","1") = "5"
    & skf21("4","4","5","5","1","5","7","1") = "6"
    & skf21("4","4","5","5","1","6","1","1") = "5"
    & skf21("4","4","5","5","1","6","2","1") = "5"
    & skf21("4","4","5","5","1","6","3","1") = "5"
    & skf21("4","4","5","5","1","6","4","1") = "5"
    & skf21("4","4","5","5","1","6","5","1") = "5"
    & skf21("4","4","5","5","1","6","6","1") = "5"
    & skf21("4","4","5","5","1","6","7","1") = "6"
    & skf21("4","4","5","5","1","7","1","1") = "6"
    & skf21("4","4","5","5","1","7","2","1") = "6"
    & skf21("4","4","5","5","1","7","3","1") = "6"
    & skf21("4","4","5","5","1","7","4","1") = "6"
    & skf21("4","4","5","5","1","7","5","1") = "6"
    & skf21("4","4","5","5","1","7","6","1") = "6"
    & skf21("4","4","5","5","1","7","7","1") = "6"
    & skf21("4","4","5","5","2","1","1","1") = "4"
    & skf21("4","4","5","5","2","1","2","1") = "4"
    & skf21("4","4","5","5","2","1","3","1") = "4"
    & skf21("4","4","5","5","2","1","4","1") = "4"
    & skf21("4","4","5","5","2","1","5","1") = "4"
    & skf21("4","4","5","5","2","1","6","1") = "5"
    & skf21("4","4","5","5","2","1","7","1") = "6"
    & skf21("4","4","5","5","2","2","1","1") = "4"
    & skf21("4","4","5","5","2","2","2","1") = "4"
    & skf21("4","4","5","5","2","2","3","1") = "4"
    & skf21("4","4","5","5","2","2","4","1") = "4"
    & skf21("4","4","5","5","2","2","5","1") = "4"
    & skf21("4","4","5","5","2","2","6","1") = "5"
    & skf21("4","4","5","5","2","2","7","1") = "6"
    & skf21("4","4","5","5","2","3","1","1") = "4"
    & skf21("4","4","5","5","2","3","2","1") = "4"
    & skf21("4","4","5","5","2","3","3","1") = "4"
    & skf21("4","4","5","5","2","3","4","1") = "4"
    & skf21("4","4","5","5","2","3","5","1") = "4"
    & skf21("4","4","5","5","2","3","6","1") = "5"
    & skf21("4","4","5","5","2","3","7","1") = "6"
    & skf21("4","4","5","5","2","4","1","1") = "4"
    & skf21("4","4","5","5","2","4","2","1") = "4"
    & skf21("4","4","5","5","2","4","3","1") = "4"
    & skf21("4","4","5","5","2","4","4","1") = "4"
    & skf21("4","4","5","5","2","4","5","1") = "4"
    & skf21("4","4","5","5","2","4","6","1") = "5"
    & skf21("4","4","5","5","2","4","7","1") = "6"
    & skf21("4","4","5","5","2","5","1","1") = "4"
    & skf21("4","4","5","5","2","5","2","1") = "4"
    & skf21("4","4","5","5","2","5","3","1") = "4"
    & skf21("4","4","5","5","2","5","4","1") = "4"
    & skf21("4","4","5","5","2","5","5","1") = "4"
    & skf21("4","4","5","5","2","5","6","1") = "5"
    & skf21("4","4","5","5","2","5","7","1") = "6"
    & skf21("4","4","5","5","2","6","1","1") = "5"
    & skf21("4","4","5","5","2","6","2","1") = "5"
    & skf21("4","4","5","5","2","6","3","1") = "5"
    & skf21("4","4","5","5","2","6","4","1") = "5"
    & skf21("4","4","5","5","2","6","5","1") = "5"
    & skf21("4","4","5","5","2","6","6","1") = "5"
    & skf21("4","4","5","5","2","6","7","1") = "6"
    & skf21("4","4","5","5","2","7","1","1") = "6"
    & skf21("4","4","5","5","2","7","2","1") = "6"
    & skf21("4","4","5","5","2","7","3","1") = "6"
    & skf21("4","4","5","5","2","7","4","1") = "6"
    & skf21("4","4","5","5","2","7","5","1") = "6"
    & skf21("4","4","5","5","2","7","6","1") = "6"
    & skf21("4","4","5","5","2","7","7","1") = "6"
    & skf21("4","4","5","5","3","1","1","1") = "4"
    & skf21("4","4","5","5","3","1","2","1") = "4"
    & skf21("4","4","5","5","3","1","3","1") = "4"
    & skf21("4","4","5","5","3","1","4","1") = "4"
    & skf21("4","4","5","5","3","1","5","1") = "4"
    & skf21("4","4","5","5","3","1","6","1") = "5"
    & skf21("4","4","5","5","3","1","7","1") = "6"
    & skf21("4","4","5","5","3","2","1","1") = "4"
    & skf21("4","4","5","5","3","2","2","1") = "4"
    & skf21("4","4","5","5","3","2","3","1") = "4"
    & skf21("4","4","5","5","3","2","4","1") = "4"
    & skf21("4","4","5","5","3","2","5","1") = "4"
    & skf21("4","4","5","5","3","2","6","1") = "5"
    & skf21("4","4","5","5","3","2","7","1") = "6"
    & skf21("4","4","5","5","3","3","1","1") = "4"
    & skf21("4","4","5","5","3","3","2","1") = "4"
    & skf21("4","4","5","5","3","3","3","1") = "4"
    & skf21("4","4","5","5","3","3","4","1") = "4"
    & skf21("4","4","5","5","3","3","5","1") = "4"
    & skf21("4","4","5","5","3","3","6","1") = "5"
    & skf21("4","4","5","5","3","3","7","1") = "6"
    & skf21("4","4","5","5","3","4","1","1") = "4"
    & skf21("4","4","5","5","3","4","2","1") = "4"
    & skf21("4","4","5","5","3","4","3","1") = "4"
    & skf21("4","4","5","5","3","4","4","1") = "4"
    & skf21("4","4","5","5","3","4","5","1") = "4"
    & skf21("4","4","5","5","3","4","6","1") = "5"
    & skf21("4","4","5","5","3","4","7","1") = "6"
    & skf21("4","4","5","5","3","5","1","1") = "4"
    & skf21("4","4","5","5","3","5","2","1") = "4"
    & skf21("4","4","5","5","3","5","3","1") = "4"
    & skf21("4","4","5","5","3","5","4","1") = "4"
    & skf21("4","4","5","5","3","5","5","1") = "4"
    & skf21("4","4","5","5","3","5","6","1") = "5"
    & skf21("4","4","5","5","3","5","7","1") = "6"
    & skf21("4","4","5","5","3","6","1","1") = "5"
    & skf21("4","4","5","5","3","6","2","1") = "5"
    & skf21("4","4","5","5","3","6","3","1") = "5"
    & skf21("4","4","5","5","3","6","4","1") = "5"
    & skf21("4","4","5","5","3","6","5","1") = "5"
    & skf21("4","4","5","5","3","6","6","1") = "5"
    & skf21("4","4","5","5","3","6","7","1") = "6"
    & skf21("4","4","5","5","3","7","1","1") = "6"
    & skf21("4","4","5","5","3","7","2","1") = "6"
    & skf21("4","4","5","5","3","7","3","1") = "6"
    & skf21("4","4","5","5","3","7","4","1") = "6"
    & skf21("4","4","5","5","3","7","5","1") = "6"
    & skf21("4","4","5","5","3","7","6","1") = "6"
    & skf21("4","4","5","5","3","7","7","1") = "6"
    & skf21("4","4","5","5","4","1","1","1") = "4"
    & skf21("4","4","5","5","4","1","2","1") = "4"
    & skf21("4","4","5","5","4","1","3","1") = "4"
    & skf21("4","4","5","5","4","1","4","1") = "4"
    & skf21("4","4","5","5","4","1","5","1") = "4"
    & skf21("4","4","5","5","4","1","6","1") = "5"
    & skf21("4","4","5","5","4","1","7","1") = "6"
    & skf21("4","4","5","5","4","2","1","1") = "4"
    & skf21("4","4","5","5","4","2","2","1") = "4"
    & skf21("4","4","5","5","4","2","3","1") = "4"
    & skf21("4","4","5","5","4","2","4","1") = "4"
    & skf21("4","4","5","5","4","2","5","1") = "4"
    & skf21("4","4","5","5","4","2","6","1") = "5"
    & skf21("4","4","5","5","4","2","7","1") = "6"
    & skf21("4","4","5","5","4","3","1","1") = "4"
    & skf21("4","4","5","5","4","3","2","1") = "4"
    & skf21("4","4","5","5","4","3","3","1") = "4"
    & skf21("4","4","5","5","4","3","4","1") = "4"
    & skf21("4","4","5","5","4","3","5","1") = "4"
    & skf21("4","4","5","5","4","3","6","1") = "5"
    & skf21("4","4","5","5","4","3","7","1") = "6"
    & skf21("4","4","5","5","4","4","1","1") = "4"
    & skf21("4","4","5","5","4","4","2","1") = "4"
    & skf21("4","4","5","5","4","4","3","1") = "4"
    & skf21("4","4","5","5","4","4","4","1") = "4"
    & skf21("4","4","5","5","4","4","5","1") = "4"
    & skf21("4","4","5","5","4","4","6","1") = "5"
    & skf21("4","4","5","5","4","4","7","1") = "6"
    & skf21("4","4","5","5","4","5","1","1") = "4"
    & skf21("4","4","5","5","4","5","2","1") = "4"
    & skf21("4","4","5","5","4","5","3","1") = "4"
    & skf21("4","4","5","5","4","5","4","1") = "4"
    & skf21("4","4","5","5","4","5","5","1") = "4"
    & skf21("4","4","5","5","4","5","6","1") = "5"
    & skf21("4","4","5","5","4","5","7","1") = "6"
    & skf21("4","4","5","5","4","6","1","1") = "5"
    & skf21("4","4","5","5","4","6","2","1") = "5"
    & skf21("4","4","5","5","4","6","3","1") = "5"
    & skf21("4","4","5","5","4","6","4","1") = "5"
    & skf21("4","4","5","5","4","6","5","1") = "5"
    & skf21("4","4","5","5","4","6","6","1") = "5"
    & skf21("4","4","5","5","4","6","7","1") = "6"
    & skf21("4","4","5","5","4","7","1","1") = "6"
    & skf21("4","4","5","5","4","7","2","1") = "6"
    & skf21("4","4","5","5","4","7","3","1") = "6"
    & skf21("4","4","5","5","4","7","4","1") = "6"
    & skf21("4","4","5","5","4","7","5","1") = "6"
    & skf21("4","4","5","5","4","7","6","1") = "6"
    & skf21("4","4","5","5","4","7","7","1") = "6"
    & skf21("4","4","5","5","5","1","1","1") = "4"
    & skf21("4","4","5","5","5","1","2","1") = "4"
    & skf21("4","4","5","5","5","1","3","1") = "4"
    & skf21("4","4","5","5","5","1","4","1") = "4"
    & skf21("4","4","5","5","5","1","5","1") = "4"
    & skf21("4","4","5","5","5","1","6","1") = "5"
    & skf21("4","4","5","5","5","1","7","1") = "6"
    & skf21("4","4","5","5","5","2","1","1") = "4"
    & skf21("4","4","5","5","5","2","2","1") = "4"
    & skf21("4","4","5","5","5","2","3","1") = "4"
    & skf21("4","4","5","5","5","2","4","1") = "4"
    & skf21("4","4","5","5","5","2","5","1") = "4"
    & skf21("4","4","5","5","5","2","6","1") = "5"
    & skf21("4","4","5","5","5","2","7","1") = "6"
    & skf21("4","4","5","5","5","3","1","1") = "4"
    & skf21("4","4","5","5","5","3","2","1") = "4"
    & skf21("4","4","5","5","5","3","3","1") = "4"
    & skf21("4","4","5","5","5","3","4","1") = "4"
    & skf21("4","4","5","5","5","3","5","1") = "4"
    & skf21("4","4","5","5","5","3","6","1") = "5"
    & skf21("4","4","5","5","5","3","7","1") = "6"
    & skf21("4","4","5","5","5","4","1","1") = "4"
    & skf21("4","4","5","5","5","4","2","1") = "4"
    & skf21("4","4","5","5","5","4","3","1") = "4"
    & skf21("4","4","5","5","5","4","4","1") = "4"
    & skf21("4","4","5","5","5","4","5","1") = "4"
    & skf21("4","4","5","5","5","4","6","1") = "5"
    & skf21("4","4","5","5","5","4","7","1") = "6"
    & skf21("4","4","5","5","5","5","1","1") = "4"
    & skf21("4","4","5","5","5","5","2","1") = "4"
    & skf21("4","4","5","5","5","5","3","1") = "4"
    & skf21("4","4","5","5","5","5","4","1") = "4"
    & skf21("4","4","5","5","5","5","5","1") = "4"
    & skf21("4","4","5","5","5","5","6","1") = "5"
    & skf21("4","4","5","5","5","5","7","1") = "6"
    & skf21("4","4","5","5","5","6","1","1") = "5"
    & skf21("4","4","5","5","5","6","2","1") = "5"
    & skf21("4","4","5","5","5","6","3","1") = "5"
    & skf21("4","4","5","5","5","6","4","1") = "5"
    & skf21("4","4","5","5","5","6","5","1") = "5"
    & skf21("4","4","5","5","5","6","6","1") = "5"
    & skf21("4","4","5","5","5","6","7","1") = "6"
    & skf21("4","4","5","5","5","7","1","1") = "6"
    & skf21("4","4","5","5","5","7","2","1") = "6"
    & skf21("4","4","5","5","5","7","3","1") = "6"
    & skf21("4","4","5","5","5","7","4","1") = "6"
    & skf21("4","4","5","5","5","7","5","1") = "6"
    & skf21("4","4","5","5","5","7","6","1") = "6"
    & skf21("4","4","5","5","5","7","7","1") = "6"
    & skf21("4","4","5","5","6","1","1","1") = "5"
    & skf21("4","4","5","5","6","1","2","1") = "5"
    & skf21("4","4","5","5","6","1","3","1") = "5"
    & skf21("4","4","5","5","6","1","4","1") = "5"
    & skf21("4","4","5","5","6","1","5","1") = "5"
    & skf21("4","4","5","5","6","1","6","1") = "5"
    & skf21("4","4","5","5","6","1","7","1") = "6"
    & skf21("4","4","5","5","6","2","1","1") = "5"
    & skf21("4","4","5","5","6","2","2","1") = "5"
    & skf21("4","4","5","5","6","2","3","1") = "5"
    & skf21("4","4","5","5","6","2","4","1") = "5"
    & skf21("4","4","5","5","6","2","5","1") = "5"
    & skf21("4","4","5","5","6","2","6","1") = "5"
    & skf21("4","4","5","5","6","2","7","1") = "6"
    & skf21("4","4","5","5","6","3","1","1") = "5"
    & skf21("4","4","5","5","6","3","2","1") = "5"
    & skf21("4","4","5","5","6","3","3","1") = "5"
    & skf21("4","4","5","5","6","3","4","1") = "5"
    & skf21("4","4","5","5","6","3","5","1") = "5"
    & skf21("4","4","5","5","6","3","6","1") = "5"
    & skf21("4","4","5","5","6","3","7","1") = "6"
    & skf21("4","4","5","5","6","4","1","1") = "5"
    & skf21("4","4","5","5","6","4","2","1") = "5"
    & skf21("4","4","5","5","6","4","3","1") = "5"
    & skf21("4","4","5","5","6","4","4","1") = "5"
    & skf21("4","4","5","5","6","4","5","1") = "5"
    & skf21("4","4","5","5","6","4","6","1") = "5"
    & skf21("4","4","5","5","6","4","7","1") = "6"
    & skf21("4","4","5","5","6","5","1","1") = "5"
    & skf21("4","4","5","5","6","5","2","1") = "5"
    & skf21("4","4","5","5","6","5","3","1") = "5"
    & skf21("4","4","5","5","6","5","4","1") = "5"
    & skf21("4","4","5","5","6","5","5","1") = "5"
    & skf21("4","4","5","5","6","5","6","1") = "5"
    & skf21("4","4","5","5","6","5","7","1") = "6"
    & skf21("4","4","5","5","6","6","1","1") = "5"
    & skf21("4","4","5","5","6","6","2","1") = "5"
    & skf21("4","4","5","5","6","6","3","1") = "5"
    & skf21("4","4","5","5","6","6","4","1") = "5"
    & skf21("4","4","5","5","6","6","5","1") = "5"
    & skf21("4","4","5","5","6","6","6","1") = "5"
    & skf21("4","4","5","5","6","6","7","1") = "6"
    & skf21("4","4","5","5","6","7","1","1") = "6"
    & skf21("4","4","5","5","6","7","2","1") = "6"
    & skf21("4","4","5","5","6","7","3","1") = "6"
    & skf21("4","4","5","5","6","7","4","1") = "6"
    & skf21("4","4","5","5","6","7","5","1") = "6"
    & skf21("4","4","5","5","6","7","6","1") = "6"
    & skf21("4","4","5","5","6","7","7","1") = "6"
    & skf21("4","4","5","5","7","1","1","1") = "6"
    & skf21("4","4","5","5","7","1","2","1") = "6"
    & skf21("4","4","5","5","7","1","3","1") = "6"
    & skf21("4","4","5","5","7","1","4","1") = "6"
    & skf21("4","4","5","5","7","1","5","1") = "6"
    & skf21("4","4","5","5","7","1","6","1") = "6"
    & skf21("4","4","5","5","7","1","7","1") = "6"
    & skf21("4","4","5","5","7","2","1","1") = "6"
    & skf21("4","4","5","5","7","2","2","1") = "6"
    & skf21("4","4","5","5","7","2","3","1") = "6"
    & skf21("4","4","5","5","7","2","4","1") = "6"
    & skf21("4","4","5","5","7","2","5","1") = "6"
    & skf21("4","4","5","5","7","2","6","1") = "6"
    & skf21("4","4","5","5","7","2","7","1") = "6"
    & skf21("4","4","5","5","7","3","1","1") = "6"
    & skf21("4","4","5","5","7","3","2","1") = "6"
    & skf21("4","4","5","5","7","3","3","1") = "6"
    & skf21("4","4","5","5","7","3","4","1") = "6"
    & skf21("4","4","5","5","7","3","5","1") = "6"
    & skf21("4","4","5","5","7","3","6","1") = "6"
    & skf21("4","4","5","5","7","3","7","1") = "6"
    & skf21("4","4","5","5","7","4","1","1") = "6"
    & skf21("4","4","5","5","7","4","2","1") = "6"
    & skf21("4","4","5","5","7","4","3","1") = "6"
    & skf21("4","4","5","5","7","4","4","1") = "6"
    & skf21("4","4","5","5","7","4","5","1") = "6"
    & skf21("4","4","5","5","7","4","6","1") = "6"
    & skf21("4","4","5","5","7","4","7","1") = "6"
    & skf21("4","4","5","5","7","5","1","1") = "6"
    & skf21("4","4","5","5","7","5","2","1") = "6"
    & skf21("4","4","5","5","7","5","3","1") = "6"
    & skf21("4","4","5","5","7","5","4","1") = "6"
    & skf21("4","4","5","5","7","5","5","1") = "6"
    & skf21("4","4","5","5","7","5","6","1") = "6"
    & skf21("4","4","5","5","7","5","7","1") = "6"
    & skf21("4","4","5","5","7","6","1","1") = "6"
    & skf21("4","4","5","5","7","6","2","1") = "6"
    & skf21("4","4","5","5","7","6","3","1") = "6"
    & skf21("4","4","5","5","7","6","4","1") = "6"
    & skf21("4","4","5","5","7","6","5","1") = "6"
    & skf21("4","4","5","5","7","6","6","1") = "6"
    & skf21("4","4","5","5","7","6","7","1") = "6"
    & skf21("4","4","5","5","7","7","1","1") = "6"
    & skf21("4","4","5","5","7","7","2","1") = "6"
    & skf21("4","4","5","5","7","7","3","1") = "6"
    & skf21("4","4","5","5","7","7","4","1") = "6"
    & skf21("4","4","5","5","7","7","5","1") = "6"
    & skf21("4","4","5","5","7","7","6","1") = "6"
    & skf21("4","4","5","5","7","7","7","1") = "6"
    & skf21("4","4","5","6","1","1","1","1") = "5"
    & skf21("4","4","5","6","1","1","2","1") = "5"
    & skf21("4","4","5","6","1","1","3","1") = "5"
    & skf21("4","4","5","6","1","1","4","1") = "5"
    & skf21("4","4","5","6","1","1","5","1") = "5"
    & skf21("4","4","5","6","1","1","6","1") = "5"
    & skf21("4","4","5","6","1","1","7","1") = "6"
    & skf21("4","4","5","6","1","2","1","1") = "5"
    & skf21("4","4","5","6","1","2","2","1") = "5"
    & skf21("4","4","5","6","1","2","3","1") = "5"
    & skf21("4","4","5","6","1","2","4","1") = "5"
    & skf21("4","4","5","6","1","2","5","1") = "5"
    & skf21("4","4","5","6","1","2","6","1") = "5"
    & skf21("4","4","5","6","1","2","7","1") = "6"
    & skf21("4","4","5","6","1","3","1","1") = "5"
    & skf21("4","4","5","6","1","3","2","1") = "5"
    & skf21("4","4","5","6","1","3","3","1") = "5"
    & skf21("4","4","5","6","1","3","4","1") = "5"
    & skf21("4","4","5","6","1","3","5","1") = "5"
    & skf21("4","4","5","6","1","3","6","1") = "5"
    & skf21("4","4","5","6","1","3","7","1") = "6"
    & skf21("4","4","5","6","1","4","1","1") = "5"
    & skf21("4","4","5","6","1","4","2","1") = "5"
    & skf21("4","4","5","6","1","4","3","1") = "5"
    & skf21("4","4","5","6","1","4","4","1") = "5"
    & skf21("4","4","5","6","1","4","5","1") = "5"
    & skf21("4","4","5","6","1","4","6","1") = "5"
    & skf21("4","4","5","6","1","4","7","1") = "6"
    & skf21("4","4","5","6","1","5","1","1") = "5"
    & skf21("4","4","5","6","1","5","2","1") = "5"
    & skf21("4","4","5","6","1","5","3","1") = "5"
    & skf21("4","4","5","6","1","5","4","1") = "5"
    & skf21("4","4","5","6","1","5","5","1") = "5"
    & skf21("4","4","5","6","1","5","6","1") = "5"
    & skf21("4","4","5","6","1","5","7","1") = "6"
    & skf21("4","4","5","6","1","6","1","1") = "5"
    & skf21("4","4","5","6","1","6","2","1") = "5"
    & skf21("4","4","5","6","1","6","3","1") = "5"
    & skf21("4","4","5","6","1","6","4","1") = "5"
    & skf21("4","4","5","6","1","6","5","1") = "5"
    & skf21("4","4","5","6","1","6","6","1") = "5"
    & skf21("4","4","5","6","1","6","7","1") = "6"
    & skf21("4","4","5","6","1","7","1","1") = "6"
    & skf21("4","4","5","6","1","7","2","1") = "6"
    & skf21("4","4","5","6","1","7","3","1") = "6"
    & skf21("4","4","5","6","1","7","4","1") = "6"
    & skf21("4","4","5","6","1","7","5","1") = "6"
    & skf21("4","4","5","6","1","7","6","1") = "6"
    & skf21("4","4","5","6","1","7","7","1") = "6"
    & skf21("4","4","5","6","2","1","1","1") = "5"
    & skf21("4","4","5","6","2","1","2","1") = "5"
    & skf21("4","4","5","6","2","1","3","1") = "5"
    & skf21("4","4","5","6","2","1","4","1") = "5"
    & skf21("4","4","5","6","2","1","5","1") = "5"
    & skf21("4","4","5","6","2","1","6","1") = "5"
    & skf21("4","4","5","6","2","1","7","1") = "6"
    & skf21("4","4","5","6","2","2","1","1") = "5"
    & skf21("4","4","5","6","2","2","2","1") = "5"
    & skf21("4","4","5","6","2","2","3","1") = "5"
    & skf21("4","4","5","6","2","2","4","1") = "5"
    & skf21("4","4","5","6","2","2","5","1") = "5"
    & skf21("4","4","5","6","2","2","6","1") = "5"
    & skf21("4","4","5","6","2","2","7","1") = "6"
    & skf21("4","4","5","6","2","3","1","1") = "5"
    & skf21("4","4","5","6","2","3","2","1") = "5"
    & skf21("4","4","5","6","2","3","3","1") = "5"
    & skf21("4","4","5","6","2","3","4","1") = "5"
    & skf21("4","4","5","6","2","3","5","1") = "5"
    & skf21("4","4","5","6","2","3","6","1") = "5"
    & skf21("4","4","5","6","2","3","7","1") = "6"
    & skf21("4","4","5","6","2","4","1","1") = "5"
    & skf21("4","4","5","6","2","4","2","1") = "5"
    & skf21("4","4","5","6","2","4","3","1") = "5"
    & skf21("4","4","5","6","2","4","4","1") = "5"
    & skf21("4","4","5","6","2","4","5","1") = "5"
    & skf21("4","4","5","6","2","4","6","1") = "5"
    & skf21("4","4","5","6","2","4","7","1") = "6"
    & skf21("4","4","5","6","2","5","1","1") = "5"
    & skf21("4","4","5","6","2","5","2","1") = "5"
    & skf21("4","4","5","6","2","5","3","1") = "5"
    & skf21("4","4","5","6","2","5","4","1") = "5"
    & skf21("4","4","5","6","2","5","5","1") = "5"
    & skf21("4","4","5","6","2","5","6","1") = "5"
    & skf21("4","4","5","6","2","5","7","1") = "6"
    & skf21("4","4","5","6","2","6","1","1") = "5"
    & skf21("4","4","5","6","2","6","2","1") = "5"
    & skf21("4","4","5","6","2","6","3","1") = "5"
    & skf21("4","4","5","6","2","6","4","1") = "5"
    & skf21("4","4","5","6","2","6","5","1") = "5"
    & skf21("4","4","5","6","2","6","6","1") = "5"
    & skf21("4","4","5","6","2","6","7","1") = "6"
    & skf21("4","4","5","6","2","7","1","1") = "6"
    & skf21("4","4","5","6","2","7","2","1") = "6"
    & skf21("4","4","5","6","2","7","3","1") = "6"
    & skf21("4","4","5","6","2","7","4","1") = "6"
    & skf21("4","4","5","6","2","7","5","1") = "6"
    & skf21("4","4","5","6","2","7","6","1") = "6"
    & skf21("4","4","5","6","2","7","7","1") = "6"
    & skf21("4","4","5","6","3","1","1","1") = "5"
    & skf21("4","4","5","6","3","1","2","1") = "5"
    & skf21("4","4","5","6","3","1","3","1") = "5"
    & skf21("4","4","5","6","3","1","4","1") = "5"
    & skf21("4","4","5","6","3","1","5","1") = "5"
    & skf21("4","4","5","6","3","1","6","1") = "5"
    & skf21("4","4","5","6","3","1","7","1") = "6"
    & skf21("4","4","5","6","3","2","1","1") = "5"
    & skf21("4","4","5","6","3","2","2","1") = "5"
    & skf21("4","4","5","6","3","2","3","1") = "5"
    & skf21("4","4","5","6","3","2","4","1") = "5"
    & skf21("4","4","5","6","3","2","5","1") = "5"
    & skf21("4","4","5","6","3","2","6","1") = "5"
    & skf21("4","4","5","6","3","2","7","1") = "6"
    & skf21("4","4","5","6","3","3","1","1") = "5"
    & skf21("4","4","5","6","3","3","2","1") = "5"
    & skf21("4","4","5","6","3","3","3","1") = "5"
    & skf21("4","4","5","6","3","3","4","1") = "5"
    & skf21("4","4","5","6","3","3","5","1") = "5"
    & skf21("4","4","5","6","3","3","6","1") = "5"
    & skf21("4","4","5","6","3","3","7","1") = "6"
    & skf21("4","4","5","6","3","4","1","1") = "5"
    & skf21("4","4","5","6","3","4","2","1") = "5"
    & skf21("4","4","5","6","3","4","3","1") = "5"
    & skf21("4","4","5","6","3","4","4","1") = "5"
    & skf21("4","4","5","6","3","4","5","1") = "5"
    & skf21("4","4","5","6","3","4","6","1") = "5"
    & skf21("4","4","5","6","3","4","7","1") = "6"
    & skf21("4","4","5","6","3","5","1","1") = "5"
    & skf21("4","4","5","6","3","5","2","1") = "5"
    & skf21("4","4","5","6","3","5","3","1") = "5"
    & skf21("4","4","5","6","3","5","4","1") = "5"
    & skf21("4","4","5","6","3","5","5","1") = "5"
    & skf21("4","4","5","6","3","5","6","1") = "5"
    & skf21("4","4","5","6","3","5","7","1") = "6"
    & skf21("4","4","5","6","3","6","1","1") = "5"
    & skf21("4","4","5","6","3","6","2","1") = "5"
    & skf21("4","4","5","6","3","6","3","1") = "5"
    & skf21("4","4","5","6","3","6","4","1") = "5"
    & skf21("4","4","5","6","3","6","5","1") = "5"
    & skf21("4","4","5","6","3","6","6","1") = "5"
    & skf21("4","4","5","6","3","6","7","1") = "6"
    & skf21("4","4","5","6","3","7","1","1") = "6"
    & skf21("4","4","5","6","3","7","2","1") = "6"
    & skf21("4","4","5","6","3","7","3","1") = "6"
    & skf21("4","4","5","6","3","7","4","1") = "6"
    & skf21("4","4","5","6","3","7","5","1") = "6"
    & skf21("4","4","5","6","3","7","6","1") = "6"
    & skf21("4","4","5","6","3","7","7","1") = "6"
    & skf21("4","4","5","6","4","1","1","1") = "5"
    & skf21("4","4","5","6","4","1","2","1") = "5"
    & skf21("4","4","5","6","4","1","3","1") = "5"
    & skf21("4","4","5","6","4","1","4","1") = "5"
    & skf21("4","4","5","6","4","1","5","1") = "5"
    & skf21("4","4","5","6","4","1","6","1") = "5"
    & skf21("4","4","5","6","4","1","7","1") = "6"
    & skf21("4","4","5","6","4","2","1","1") = "5"
    & skf21("4","4","5","6","4","2","2","1") = "5"
    & skf21("4","4","5","6","4","2","3","1") = "5"
    & skf21("4","4","5","6","4","2","4","1") = "5"
    & skf21("4","4","5","6","4","2","5","1") = "5"
    & skf21("4","4","5","6","4","2","6","1") = "5"
    & skf21("4","4","5","6","4","2","7","1") = "6"
    & skf21("4","4","5","6","4","3","1","1") = "5"
    & skf21("4","4","5","6","4","3","2","1") = "5"
    & skf21("4","4","5","6","4","3","3","1") = "5"
    & skf21("4","4","5","6","4","3","4","1") = "5"
    & skf21("4","4","5","6","4","3","5","1") = "5"
    & skf21("4","4","5","6","4","3","6","1") = "5"
    & skf21("4","4","5","6","4","3","7","1") = "6"
    & skf21("4","4","5","6","4","4","1","1") = "5"
    & skf21("4","4","5","6","4","4","2","1") = "5"
    & skf21("4","4","5","6","4","4","3","1") = "5"
    & skf21("4","4","5","6","4","4","4","1") = "5"
    & skf21("4","4","5","6","4","4","5","1") = "5"
    & skf21("4","4","5","6","4","4","6","1") = "5"
    & skf21("4","4","5","6","4","4","7","1") = "6"
    & skf21("4","4","5","6","4","5","1","1") = "5"
    & skf21("4","4","5","6","4","5","2","1") = "5"
    & skf21("4","4","5","6","4","5","3","1") = "5"
    & skf21("4","4","5","6","4","5","4","1") = "5"
    & skf21("4","4","5","6","4","5","5","1") = "5"
    & skf21("4","4","5","6","4","5","6","1") = "5"
    & skf21("4","4","5","6","4","5","7","1") = "6"
    & skf21("4","4","5","6","4","6","1","1") = "5"
    & skf21("4","4","5","6","4","6","2","1") = "5"
    & skf21("4","4","5","6","4","6","3","1") = "5"
    & skf21("4","4","5","6","4","6","4","1") = "5"
    & skf21("4","4","5","6","4","6","5","1") = "5"
    & skf21("4","4","5","6","4","6","6","1") = "5"
    & skf21("4","4","5","6","4","6","7","1") = "6"
    & skf21("4","4","5","6","4","7","1","1") = "6"
    & skf21("4","4","5","6","4","7","2","1") = "6"
    & skf21("4","4","5","6","4","7","3","1") = "6"
    & skf21("4","4","5","6","4","7","4","1") = "6"
    & skf21("4","4","5","6","4","7","5","1") = "6"
    & skf21("4","4","5","6","4","7","6","1") = "6"
    & skf21("4","4","5","6","4","7","7","1") = "6"
    & skf21("4","4","5","6","5","1","1","1") = "5"
    & skf21("4","4","5","6","5","1","2","1") = "5"
    & skf21("4","4","5","6","5","1","3","1") = "5"
    & skf21("4","4","5","6","5","1","4","1") = "5"
    & skf21("4","4","5","6","5","1","5","1") = "5"
    & skf21("4","4","5","6","5","1","6","1") = "5"
    & skf21("4","4","5","6","5","1","7","1") = "6"
    & skf21("4","4","5","6","5","2","1","1") = "5"
    & skf21("4","4","5","6","5","2","2","1") = "5"
    & skf21("4","4","5","6","5","2","3","1") = "5"
    & skf21("4","4","5","6","5","2","4","1") = "5"
    & skf21("4","4","5","6","5","2","5","1") = "5"
    & skf21("4","4","5","6","5","2","6","1") = "5"
    & skf21("4","4","5","6","5","2","7","1") = "6"
    & skf21("4","4","5","6","5","3","1","1") = "5"
    & skf21("4","4","5","6","5","3","2","1") = "5"
    & skf21("4","4","5","6","5","3","3","1") = "5"
    & skf21("4","4","5","6","5","3","4","1") = "5"
    & skf21("4","4","5","6","5","3","5","1") = "5"
    & skf21("4","4","5","6","5","3","6","1") = "5"
    & skf21("4","4","5","6","5","3","7","1") = "6"
    & skf21("4","4","5","6","5","4","1","1") = "5"
    & skf21("4","4","5","6","5","4","2","1") = "5"
    & skf21("4","4","5","6","5","4","3","1") = "5"
    & skf21("4","4","5","6","5","4","4","1") = "5"
    & skf21("4","4","5","6","5","4","5","1") = "5"
    & skf21("4","4","5","6","5","4","6","1") = "5"
    & skf21("4","4","5","6","5","4","7","1") = "6"
    & skf21("4","4","5","6","5","5","1","1") = "5"
    & skf21("4","4","5","6","5","5","2","1") = "5"
    & skf21("4","4","5","6","5","5","3","1") = "5"
    & skf21("4","4","5","6","5","5","4","1") = "5"
    & skf21("4","4","5","6","5","5","5","1") = "5"
    & skf21("4","4","5","6","5","5","6","1") = "5"
    & skf21("4","4","5","6","5","5","7","1") = "6"
    & skf21("4","4","5","6","5","6","1","1") = "5"
    & skf21("4","4","5","6","5","6","2","1") = "5"
    & skf21("4","4","5","6","5","6","3","1") = "5"
    & skf21("4","4","5","6","5","6","4","1") = "5"
    & skf21("4","4","5","6","5","6","5","1") = "5"
    & skf21("4","4","5","6","5","6","6","1") = "5"
    & skf21("4","4","5","6","5","6","7","1") = "6"
    & skf21("4","4","5","6","5","7","1","1") = "6"
    & skf21("4","4","5","6","5","7","2","1") = "6"
    & skf21("4","4","5","6","5","7","3","1") = "6"
    & skf21("4","4","5","6","5","7","4","1") = "6"
    & skf21("4","4","5","6","5","7","5","1") = "6"
    & skf21("4","4","5","6","5","7","6","1") = "6"
    & skf21("4","4","5","6","5","7","7","1") = "6"
    & skf21("4","4","5","6","6","1","1","1") = "5"
    & skf21("4","4","5","6","6","1","2","1") = "5"
    & skf21("4","4","5","6","6","1","3","1") = "5"
    & skf21("4","4","5","6","6","1","4","1") = "5"
    & skf21("4","4","5","6","6","1","5","1") = "5"
    & skf21("4","4","5","6","6","1","6","1") = "5"
    & skf21("4","4","5","6","6","1","7","1") = "6"
    & skf21("4","4","5","6","6","2","1","1") = "5"
    & skf21("4","4","5","6","6","2","2","1") = "5"
    & skf21("4","4","5","6","6","2","3","1") = "5"
    & skf21("4","4","5","6","6","2","4","1") = "5"
    & skf21("4","4","5","6","6","2","5","1") = "5"
    & skf21("4","4","5","6","6","2","6","1") = "5"
    & skf21("4","4","5","6","6","2","7","1") = "6"
    & skf21("4","4","5","6","6","3","1","1") = "5"
    & skf21("4","4","5","6","6","3","2","1") = "5"
    & skf21("4","4","5","6","6","3","3","1") = "5"
    & skf21("4","4","5","6","6","3","4","1") = "5"
    & skf21("4","4","5","6","6","3","5","1") = "5"
    & skf21("4","4","5","6","6","3","6","1") = "5"
    & skf21("4","4","5","6","6","3","7","1") = "6"
    & skf21("4","4","5","6","6","4","1","1") = "5"
    & skf21("4","4","5","6","6","4","2","1") = "5"
    & skf21("4","4","5","6","6","4","3","1") = "5"
    & skf21("4","4","5","6","6","4","4","1") = "5"
    & skf21("4","4","5","6","6","4","5","1") = "5"
    & skf21("4","4","5","6","6","4","6","1") = "5"
    & skf21("4","4","5","6","6","4","7","1") = "6"
    & skf21("4","4","5","6","6","5","1","1") = "5"
    & skf21("4","4","5","6","6","5","2","1") = "5"
    & skf21("4","4","5","6","6","5","3","1") = "5"
    & skf21("4","4","5","6","6","5","4","1") = "5"
    & skf21("4","4","5","6","6","5","5","1") = "5"
    & skf21("4","4","5","6","6","5","6","1") = "5"
    & skf21("4","4","5","6","6","5","7","1") = "6"
    & skf21("4","4","5","6","6","6","1","1") = "5"
    & skf21("4","4","5","6","6","6","2","1") = "5"
    & skf21("4","4","5","6","6","6","3","1") = "5"
    & skf21("4","4","5","6","6","6","4","1") = "5"
    & skf21("4","4","5","6","6","6","5","1") = "5"
    & skf21("4","4","5","6","6","6","6","1") = "5"
    & skf21("4","4","5","6","6","6","7","1") = "6"
    & skf21("4","4","5","6","6","7","1","1") = "6"
    & skf21("4","4","5","6","6","7","2","1") = "6"
    & skf21("4","4","5","6","6","7","3","1") = "6"
    & skf21("4","4","5","6","6","7","4","1") = "6"
    & skf21("4","4","5","6","6","7","5","1") = "6"
    & skf21("4","4","5","6","6","7","6","1") = "6"
    & skf21("4","4","5","6","6","7","7","1") = "6"
    & skf21("4","4","5","6","7","1","1","1") = "6"
    & skf21("4","4","5","6","7","1","2","1") = "6"
    & skf21("4","4","5","6","7","1","3","1") = "6"
    & skf21("4","4","5","6","7","1","4","1") = "6"
    & skf21("4","4","5","6","7","1","5","1") = "6"
    & skf21("4","4","5","6","7","1","6","1") = "6"
    & skf21("4","4","5","6","7","1","7","1") = "6"
    & skf21("4","4","5","6","7","2","1","1") = "6"
    & skf21("4","4","5","6","7","2","2","1") = "6"
    & skf21("4","4","5","6","7","2","3","1") = "6"
    & skf21("4","4","5","6","7","2","4","1") = "6"
    & skf21("4","4","5","6","7","2","5","1") = "6"
    & skf21("4","4","5","6","7","2","6","1") = "6"
    & skf21("4","4","5","6","7","2","7","1") = "6"
    & skf21("4","4","5","6","7","3","1","1") = "6"
    & skf21("4","4","5","6","7","3","2","1") = "6"
    & skf21("4","4","5","6","7","3","3","1") = "6"
    & skf21("4","4","5","6","7","3","4","1") = "6"
    & skf21("4","4","5","6","7","3","5","1") = "6"
    & skf21("4","4","5","6","7","3","6","1") = "6"
    & skf21("4","4","5","6","7","3","7","1") = "6"
    & skf21("4","4","5","6","7","4","1","1") = "6"
    & skf21("4","4","5","6","7","4","2","1") = "6"
    & skf21("4","4","5","6","7","4","3","1") = "6"
    & skf21("4","4","5","6","7","4","4","1") = "6"
    & skf21("4","4","5","6","7","4","5","1") = "6"
    & skf21("4","4","5","6","7","4","6","1") = "6"
    & skf21("4","4","5","6","7","4","7","1") = "6"
    & skf21("4","4","5","6","7","5","1","1") = "6"
    & skf21("4","4","5","6","7","5","2","1") = "6"
    & skf21("4","4","5","6","7","5","3","1") = "6"
    & skf21("4","4","5","6","7","5","4","1") = "6"
    & skf21("4","4","5","6","7","5","5","1") = "6"
    & skf21("4","4","5","6","7","5","6","1") = "6"
    & skf21("4","4","5","6","7","5","7","1") = "6"
    & skf21("4","4","5","6","7","6","1","1") = "6"
    & skf21("4","4","5","6","7","6","2","1") = "6"
    & skf21("4","4","5","6","7","6","3","1") = "6"
    & skf21("4","4","5","6","7","6","4","1") = "6"
    & skf21("4","4","5","6","7","6","5","1") = "6"
    & skf21("4","4","5","6","7","6","6","1") = "6"
    & skf21("4","4","5","6","7","6","7","1") = "6"
    & skf21("4","4","5","6","7","7","1","1") = "6"
    & skf21("4","4","5","6","7","7","2","1") = "6"
    & skf21("4","4","5","6","7","7","3","1") = "6"
    & skf21("4","4","5","6","7","7","4","1") = "6"
    & skf21("4","4","5","6","7","7","5","1") = "6"
    & skf21("4","4","5","6","7","7","6","1") = "6"
    & skf21("4","4","5","6","7","7","7","1") = "6"
    & skf21("4","4","5","7","1","1","1","1") = "6"
    & skf21("4","4","5","7","1","1","2","1") = "6"
    & skf21("4","4","5","7","1","1","3","1") = "6"
    & skf21("4","4","5","7","1","1","4","1") = "6"
    & skf21("4","4","5","7","1","1","5","1") = "6"
    & skf21("4","4","5","7","1","1","6","1") = "6"
    & skf21("4","4","5","7","1","1","7","1") = "6"
    & skf21("4","4","5","7","1","2","1","1") = "6"
    & skf21("4","4","5","7","1","2","2","1") = "6"
    & skf21("4","4","5","7","1","2","3","1") = "6"
    & skf21("4","4","5","7","1","2","4","1") = "6"
    & skf21("4","4","5","7","1","2","5","1") = "6"
    & skf21("4","4","5","7","1","2","6","1") = "6"
    & skf21("4","4","5","7","1","2","7","1") = "6"
    & skf21("4","4","5","7","1","3","1","1") = "6"
    & skf21("4","4","5","7","1","3","2","1") = "6"
    & skf21("4","4","5","7","1","3","3","1") = "6"
    & skf21("4","4","5","7","1","3","4","1") = "6"
    & skf21("4","4","5","7","1","3","5","1") = "6"
    & skf21("4","4","5","7","1","3","6","1") = "6"
    & skf21("4","4","5","7","1","3","7","1") = "6"
    & skf21("4","4","5","7","1","4","1","1") = "6"
    & skf21("4","4","5","7","1","4","2","1") = "6"
    & skf21("4","4","5","7","1","4","3","1") = "6"
    & skf21("4","4","5","7","1","4","4","1") = "6"
    & skf21("4","4","5","7","1","4","5","1") = "6"
    & skf21("4","4","5","7","1","4","6","1") = "6"
    & skf21("4","4","5","7","1","4","7","1") = "6"
    & skf21("4","4","5","7","1","5","1","1") = "6"
    & skf21("4","4","5","7","1","5","2","1") = "6"
    & skf21("4","4","5","7","1","5","3","1") = "6"
    & skf21("4","4","5","7","1","5","4","1") = "6"
    & skf21("4","4","5","7","1","5","5","1") = "6"
    & skf21("4","4","5","7","1","5","6","1") = "6"
    & skf21("4","4","5","7","1","5","7","1") = "6"
    & skf21("4","4","5","7","1","6","1","1") = "6"
    & skf21("4","4","5","7","1","6","2","1") = "6"
    & skf21("4","4","5","7","1","6","3","1") = "6"
    & skf21("4","4","5","7","1","6","4","1") = "6"
    & skf21("4","4","5","7","1","6","5","1") = "6"
    & skf21("4","4","5","7","1","6","6","1") = "6"
    & skf21("4","4","5","7","1","6","7","1") = "6"
    & skf21("4","4","5","7","1","7","1","1") = "6"
    & skf21("4","4","5","7","1","7","2","1") = "6"
    & skf21("4","4","5","7","1","7","3","1") = "6"
    & skf21("4","4","5","7","1","7","4","1") = "6"
    & skf21("4","4","5","7","1","7","5","1") = "6"
    & skf21("4","4","5","7","1","7","6","1") = "6"
    & skf21("4","4","5","7","1","7","7","1") = "6"
    & skf21("4","4","5","7","2","1","1","1") = "6"
    & skf21("4","4","5","7","2","1","2","1") = "6"
    & skf21("4","4","5","7","2","1","3","1") = "6"
    & skf21("4","4","5","7","2","1","4","1") = "6"
    & skf21("4","4","5","7","2","1","5","1") = "6"
    & skf21("4","4","5","7","2","1","6","1") = "6"
    & skf21("4","4","5","7","2","1","7","1") = "6"
    & skf21("4","4","5","7","2","2","1","1") = "6"
    & skf21("4","4","5","7","2","2","2","1") = "6"
    & skf21("4","4","5","7","2","2","3","1") = "6"
    & skf21("4","4","5","7","2","2","4","1") = "6"
    & skf21("4","4","5","7","2","2","5","1") = "6"
    & skf21("4","4","5","7","2","2","6","1") = "6"
    & skf21("4","4","5","7","2","2","7","1") = "6"
    & skf21("4","4","5","7","2","3","1","1") = "6"
    & skf21("4","4","5","7","2","3","2","1") = "6"
    & skf21("4","4","5","7","2","3","3","1") = "6"
    & skf21("4","4","5","7","2","3","4","1") = "6"
    & skf21("4","4","5","7","2","3","5","1") = "6"
    & skf21("4","4","5","7","2","3","6","1") = "6"
    & skf21("4","4","5","7","2","3","7","1") = "6"
    & skf21("4","4","5","7","2","4","1","1") = "6"
    & skf21("4","4","5","7","2","4","2","1") = "6"
    & skf21("4","4","5","7","2","4","3","1") = "6"
    & skf21("4","4","5","7","2","4","4","1") = "6"
    & skf21("4","4","5","7","2","4","5","1") = "6"
    & skf21("4","4","5","7","2","4","6","1") = "6"
    & skf21("4","4","5","7","2","4","7","1") = "6"
    & skf21("4","4","5","7","2","5","1","1") = "6"
    & skf21("4","4","5","7","2","5","2","1") = "6"
    & skf21("4","4","5","7","2","5","3","1") = "6"
    & skf21("4","4","5","7","2","5","4","1") = "6"
    & skf21("4","4","5","7","2","5","5","1") = "6"
    & skf21("4","4","5","7","2","5","6","1") = "6"
    & skf21("4","4","5","7","2","5","7","1") = "6"
    & skf21("4","4","5","7","2","6","1","1") = "6"
    & skf21("4","4","5","7","2","6","2","1") = "6"
    & skf21("4","4","5","7","2","6","3","1") = "6"
    & skf21("4","4","5","7","2","6","4","1") = "6"
    & skf21("4","4","5","7","2","6","5","1") = "6"
    & skf21("4","4","5","7","2","6","6","1") = "6"
    & skf21("4","4","5","7","2","6","7","1") = "6"
    & skf21("4","4","5","7","2","7","1","1") = "6"
    & skf21("4","4","5","7","2","7","2","1") = "6"
    & skf21("4","4","5","7","2","7","3","1") = "6"
    & skf21("4","4","5","7","2","7","4","1") = "6"
    & skf21("4","4","5","7","2","7","5","1") = "6"
    & skf21("4","4","5","7","2","7","6","1") = "6"
    & skf21("4","4","5","7","2","7","7","1") = "6"
    & skf21("4","4","5","7","3","1","1","1") = "6"
    & skf21("4","4","5","7","3","1","2","1") = "6"
    & skf21("4","4","5","7","3","1","3","1") = "6"
    & skf21("4","4","5","7","3","1","4","1") = "6"
    & skf21("4","4","5","7","3","1","5","1") = "6"
    & skf21("4","4","5","7","3","1","6","1") = "6"
    & skf21("4","4","5","7","3","1","7","1") = "6"
    & skf21("4","4","5","7","3","2","1","1") = "6"
    & skf21("4","4","5","7","3","2","2","1") = "6"
    & skf21("4","4","5","7","3","2","3","1") = "6"
    & skf21("4","4","5","7","3","2","4","1") = "6"
    & skf21("4","4","5","7","3","2","5","1") = "6"
    & skf21("4","4","5","7","3","2","6","1") = "6"
    & skf21("4","4","5","7","3","2","7","1") = "6"
    & skf21("4","4","5","7","3","3","1","1") = "6"
    & skf21("4","4","5","7","3","3","2","1") = "6"
    & skf21("4","4","5","7","3","3","3","1") = "6"
    & skf21("4","4","5","7","3","3","4","1") = "6"
    & skf21("4","4","5","7","3","3","5","1") = "6"
    & skf21("4","4","5","7","3","3","6","1") = "6"
    & skf21("4","4","5","7","3","3","7","1") = "6"
    & skf21("4","4","5","7","3","4","1","1") = "6"
    & skf21("4","4","5","7","3","4","2","1") = "6"
    & skf21("4","4","5","7","3","4","3","1") = "6"
    & skf21("4","4","5","7","3","4","4","1") = "6"
    & skf21("4","4","5","7","3","4","5","1") = "6"
    & skf21("4","4","5","7","3","4","6","1") = "6"
    & skf21("4","4","5","7","3","4","7","1") = "6"
    & skf21("4","4","5","7","3","5","1","1") = "6"
    & skf21("4","4","5","7","3","5","2","1") = "6"
    & skf21("4","4","5","7","3","5","3","1") = "6"
    & skf21("4","4","5","7","3","5","4","1") = "6"
    & skf21("4","4","5","7","3","5","5","1") = "6"
    & skf21("4","4","5","7","3","5","6","1") = "6"
    & skf21("4","4","5","7","3","5","7","1") = "6"
    & skf21("4","4","5","7","3","6","1","1") = "6"
    & skf21("4","4","5","7","3","6","2","1") = "6"
    & skf21("4","4","5","7","3","6","3","1") = "6"
    & skf21("4","4","5","7","3","6","4","1") = "6"
    & skf21("4","4","5","7","3","6","5","1") = "6"
    & skf21("4","4","5","7","3","6","6","1") = "6"
    & skf21("4","4","5","7","3","6","7","1") = "6"
    & skf21("4","4","5","7","3","7","1","1") = "6"
    & skf21("4","4","5","7","3","7","2","1") = "6"
    & skf21("4","4","5","7","3","7","3","1") = "6"
    & skf21("4","4","5","7","3","7","4","1") = "6"
    & skf21("4","4","5","7","3","7","5","1") = "6"
    & skf21("4","4","5","7","3","7","6","1") = "6"
    & skf21("4","4","5","7","3","7","7","1") = "6"
    & skf21("4","4","5","7","4","1","1","1") = "6"
    & skf21("4","4","5","7","4","1","2","1") = "6"
    & skf21("4","4","5","7","4","1","3","1") = "6"
    & skf21("4","4","5","7","4","1","4","1") = "6"
    & skf21("4","4","5","7","4","1","5","1") = "6"
    & skf21("4","4","5","7","4","1","6","1") = "6"
    & skf21("4","4","5","7","4","1","7","1") = "6"
    & skf21("4","4","5","7","4","2","1","1") = "6"
    & skf21("4","4","5","7","4","2","2","1") = "6"
    & skf21("4","4","5","7","4","2","3","1") = "6"
    & skf21("4","4","5","7","4","2","4","1") = "6"
    & skf21("4","4","5","7","4","2","5","1") = "6"
    & skf21("4","4","5","7","4","2","6","1") = "6"
    & skf21("4","4","5","7","4","2","7","1") = "6"
    & skf21("4","4","5","7","4","3","1","1") = "6"
    & skf21("4","4","5","7","4","3","2","1") = "6"
    & skf21("4","4","5","7","4","3","3","1") = "6"
    & skf21("4","4","5","7","4","3","4","1") = "6"
    & skf21("4","4","5","7","4","3","5","1") = "6"
    & skf21("4","4","5","7","4","3","6","1") = "6"
    & skf21("4","4","5","7","4","3","7","1") = "6"
    & skf21("4","4","5","7","4","4","1","1") = "6"
    & skf21("4","4","5","7","4","4","2","1") = "6"
    & skf21("4","4","5","7","4","4","3","1") = "6"
    & skf21("4","4","5","7","4","4","4","1") = "6"
    & skf21("4","4","5","7","4","4","5","1") = "6"
    & skf21("4","4","5","7","4","4","6","1") = "6"
    & skf21("4","4","5","7","4","4","7","1") = "6"
    & skf21("4","4","5","7","4","5","1","1") = "6"
    & skf21("4","4","5","7","4","5","2","1") = "6"
    & skf21("4","4","5","7","4","5","3","1") = "6"
    & skf21("4","4","5","7","4","5","4","1") = "6"
    & skf21("4","4","5","7","4","5","5","1") = "6"
    & skf21("4","4","5","7","4","5","6","1") = "6"
    & skf21("4","4","5","7","4","5","7","1") = "6"
    & skf21("4","4","5","7","4","6","1","1") = "6"
    & skf21("4","4","5","7","4","6","2","1") = "6"
    & skf21("4","4","5","7","4","6","3","1") = "6"
    & skf21("4","4","5","7","4","6","4","1") = "6"
    & skf21("4","4","5","7","4","6","5","1") = "6"
    & skf21("4","4","5","7","4","6","6","1") = "6"
    & skf21("4","4","5","7","4","6","7","1") = "6"
    & skf21("4","4","5","7","4","7","1","1") = "6"
    & skf21("4","4","5","7","4","7","2","1") = "6"
    & skf21("4","4","5","7","4","7","3","1") = "6"
    & skf21("4","4","5","7","4","7","4","1") = "6"
    & skf21("4","4","5","7","4","7","5","1") = "6"
    & skf21("4","4","5","7","4","7","6","1") = "6"
    & skf21("4","4","5","7","4","7","7","1") = "6"
    & skf21("4","4","5","7","5","1","1","1") = "6"
    & skf21("4","4","5","7","5","1","2","1") = "6"
    & skf21("4","4","5","7","5","1","3","1") = "6"
    & skf21("4","4","5","7","5","1","4","1") = "6"
    & skf21("4","4","5","7","5","1","5","1") = "6"
    & skf21("4","4","5","7","5","1","6","1") = "6"
    & skf21("4","4","5","7","5","1","7","1") = "6"
    & skf21("4","4","5","7","5","2","1","1") = "6"
    & skf21("4","4","5","7","5","2","2","1") = "6"
    & skf21("4","4","5","7","5","2","3","1") = "6"
    & skf21("4","4","5","7","5","2","4","1") = "6"
    & skf21("4","4","5","7","5","2","5","1") = "6"
    & skf21("4","4","5","7","5","2","6","1") = "6"
    & skf21("4","4","5","7","5","2","7","1") = "6"
    & skf21("4","4","5","7","5","3","1","1") = "6"
    & skf21("4","4","5","7","5","3","2","1") = "6"
    & skf21("4","4","5","7","5","3","3","1") = "6"
    & skf21("4","4","5","7","5","3","4","1") = "6"
    & skf21("4","4","5","7","5","3","5","1") = "6"
    & skf21("4","4","5","7","5","3","6","1") = "6"
    & skf21("4","4","5","7","5","3","7","1") = "6"
    & skf21("4","4","5","7","5","4","1","1") = "6"
    & skf21("4","4","5","7","5","4","2","1") = "6"
    & skf21("4","4","5","7","5","4","3","1") = "6"
    & skf21("4","4","5","7","5","4","4","1") = "6"
    & skf21("4","4","5","7","5","4","5","1") = "6"
    & skf21("4","4","5","7","5","4","6","1") = "6"
    & skf21("4","4","5","7","5","4","7","1") = "6"
    & skf21("4","4","5","7","5","5","1","1") = "6"
    & skf21("4","4","5","7","5","5","2","1") = "6"
    & skf21("4","4","5","7","5","5","3","1") = "6"
    & skf21("4","4","5","7","5","5","4","1") = "6"
    & skf21("4","4","5","7","5","5","5","1") = "6"
    & skf21("4","4","5","7","5","5","6","1") = "6"
    & skf21("4","4","5","7","5","5","7","1") = "6"
    & skf21("4","4","5","7","5","6","1","1") = "6"
    & skf21("4","4","5","7","5","6","2","1") = "6"
    & skf21("4","4","5","7","5","6","3","1") = "6"
    & skf21("4","4","5","7","5","6","4","1") = "6"
    & skf21("4","4","5","7","5","6","5","1") = "6"
    & skf21("4","4","5","7","5","6","6","1") = "6"
    & skf21("4","4","5","7","5","6","7","1") = "6"
    & skf21("4","4","5","7","5","7","1","1") = "6"
    & skf21("4","4","5","7","5","7","2","1") = "6"
    & skf21("4","4","5","7","5","7","3","1") = "6"
    & skf21("4","4","5","7","5","7","4","1") = "6"
    & skf21("4","4","5","7","5","7","5","1") = "6"
    & skf21("4","4","5","7","5","7","6","1") = "6"
    & skf21("4","4","5","7","5","7","7","1") = "6"
    & skf21("4","4","5","7","6","1","1","1") = "6"
    & skf21("4","4","5","7","6","1","2","1") = "6"
    & skf21("4","4","5","7","6","1","3","1") = "6"
    & skf21("4","4","5","7","6","1","4","1") = "6"
    & skf21("4","4","5","7","6","1","5","1") = "6"
    & skf21("4","4","5","7","6","1","6","1") = "6"
    & skf21("4","4","5","7","6","1","7","1") = "6"
    & skf21("4","4","5","7","6","2","1","1") = "6"
    & skf21("4","4","5","7","6","2","2","1") = "6"
    & skf21("4","4","5","7","6","2","3","1") = "6"
    & skf21("4","4","5","7","6","2","4","1") = "6"
    & skf21("4","4","5","7","6","2","5","1") = "6"
    & skf21("4","4","5","7","6","2","6","1") = "6"
    & skf21("4","4","5","7","6","2","7","1") = "6"
    & skf21("4","4","5","7","6","3","1","1") = "6"
    & skf21("4","4","5","7","6","3","2","1") = "6"
    & skf21("4","4","5","7","6","3","3","1") = "6"
    & skf21("4","4","5","7","6","3","4","1") = "6"
    & skf21("4","4","5","7","6","3","5","1") = "6"
    & skf21("4","4","5","7","6","3","6","1") = "6"
    & skf21("4","4","5","7","6","3","7","1") = "6"
    & skf21("4","4","5","7","6","4","1","1") = "6"
    & skf21("4","4","5","7","6","4","2","1") = "6"
    & skf21("4","4","5","7","6","4","3","1") = "6"
    & skf21("4","4","5","7","6","4","4","1") = "6"
    & skf21("4","4","5","7","6","4","5","1") = "6"
    & skf21("4","4","5","7","6","4","6","1") = "6"
    & skf21("4","4","5","7","6","4","7","1") = "6"
    & skf21("4","4","5","7","6","5","1","1") = "6"
    & skf21("4","4","5","7","6","5","2","1") = "6"
    & skf21("4","4","5","7","6","5","3","1") = "6"
    & skf21("4","4","5","7","6","5","4","1") = "6"
    & skf21("4","4","5","7","6","5","5","1") = "6"
    & skf21("4","4","5","7","6","5","6","1") = "6"
    & skf21("4","4","5","7","6","5","7","1") = "6"
    & skf21("4","4","5","7","6","6","1","1") = "6"
    & skf21("4","4","5","7","6","6","2","1") = "6"
    & skf21("4","4","5","7","6","6","3","1") = "6"
    & skf21("4","4","5","7","6","6","4","1") = "6"
    & skf21("4","4","5","7","6","6","5","1") = "6"
    & skf21("4","4","5","7","6","6","6","1") = "6"
    & skf21("4","4","5","7","6","6","7","1") = "6"
    & skf21("4","4","5","7","6","7","1","1") = "6"
    & skf21("4","4","5","7","6","7","2","1") = "6"
    & skf21("4","4","5","7","6","7","3","1") = "6"
    & skf21("4","4","5","7","6","7","4","1") = "6"
    & skf21("4","4","5","7","6","7","5","1") = "6"
    & skf21("4","4","5","7","6","7","6","1") = "6"
    & skf21("4","4","5","7","6","7","7","1") = "6"
    & skf21("4","4","5","7","7","1","1","1") = "6"
    & skf21("4","4","5","7","7","1","2","1") = "6"
    & skf21("4","4","5","7","7","1","3","1") = "6"
    & skf21("4","4","5","7","7","1","4","1") = "6"
    & skf21("4","4","5","7","7","1","5","1") = "6"
    & skf21("4","4","5","7","7","1","6","1") = "6"
    & skf21("4","4","5","7","7","1","7","1") = "6"
    & skf21("4","4","5","7","7","2","1","1") = "6"
    & skf21("4","4","5","7","7","2","2","1") = "6"
    & skf21("4","4","5","7","7","2","3","1") = "6"
    & skf21("4","4","5","7","7","2","4","1") = "6"
    & skf21("4","4","5","7","7","2","5","1") = "6"
    & skf21("4","4","5","7","7","2","6","1") = "6"
    & skf21("4","4","5","7","7","2","7","1") = "6"
    & skf21("4","4","5","7","7","3","1","1") = "6"
    & skf21("4","4","5","7","7","3","2","1") = "6"
    & skf21("4","4","5","7","7","3","3","1") = "6"
    & skf21("4","4","5","7","7","3","4","1") = "6"
    & skf21("4","4","5","7","7","3","5","1") = "6"
    & skf21("4","4","5","7","7","3","6","1") = "6"
    & skf21("4","4","5","7","7","3","7","1") = "6"
    & skf21("4","4","5","7","7","4","1","1") = "6"
    & skf21("4","4","5","7","7","4","2","1") = "6"
    & skf21("4","4","5","7","7","4","3","1") = "6"
    & skf21("4","4","5","7","7","4","4","1") = "6"
    & skf21("4","4","5","7","7","4","5","1") = "6"
    & skf21("4","4","5","7","7","4","6","1") = "6"
    & skf21("4","4","5","7","7","4","7","1") = "6"
    & skf21("4","4","5","7","7","5","1","1") = "6"
    & skf21("4","4","5","7","7","5","2","1") = "6"
    & skf21("4","4","5","7","7","5","3","1") = "6"
    & skf21("4","4","5","7","7","5","4","1") = "6"
    & skf21("4","4","5","7","7","5","5","1") = "6"
    & skf21("4","4","5","7","7","5","6","1") = "6"
    & skf21("4","4","5","7","7","5","7","1") = "6"
    & skf21("4","4","5","7","7","6","1","1") = "6"
    & skf21("4","4","5","7","7","6","2","1") = "6"
    & skf21("4","4","5","7","7","6","3","1") = "6"
    & skf21("4","4","5","7","7","6","4","1") = "6"
    & skf21("4","4","5","7","7","6","5","1") = "6"
    & skf21("4","4","5","7","7","6","6","1") = "6"
    & skf21("4","4","5","7","7","6","7","1") = "6"
    & skf21("4","4","5","7","7","7","1","1") = "6"
    & skf21("4","4","5","7","7","7","2","1") = "6"
    & skf21("4","4","5","7","7","7","3","1") = "6"
    & skf21("4","4","5","7","7","7","4","1") = "6"
    & skf21("4","4","5","7","7","7","5","1") = "6"
    & skf21("4","4","5","7","7","7","6","1") = "6"
    & skf21("4","4","5","7","7","7","7","1") = "6"
    & skf21("4","4","6","1","1","1","1","1") = "5"
    & skf21("4","4","6","1","1","1","2","1") = "5"
    & skf21("4","4","6","1","1","1","3","1") = "5"
    & skf21("4","4","6","1","1","1","4","1") = "5"
    & skf21("4","4","6","1","1","1","5","1") = "5"
    & skf21("4","4","6","1","1","1","6","1") = "5"
    & skf21("4","4","6","1","1","1","7","1") = "6"
    & skf21("4","4","6","1","1","2","1","1") = "5"
    & skf21("4","4","6","1","1","2","2","1") = "5"
    & skf21("4","4","6","1","1","2","3","1") = "5"
    & skf21("4","4","6","1","1","2","4","1") = "5"
    & skf21("4","4","6","1","1","2","5","1") = "5"
    & skf21("4","4","6","1","1","2","6","1") = "5"
    & skf21("4","4","6","1","1","2","7","1") = "6"
    & skf21("4","4","6","1","1","3","1","1") = "5"
    & skf21("4","4","6","1","1","3","2","1") = "5"
    & skf21("4","4","6","1","1","3","3","1") = "5"
    & skf21("4","4","6","1","1","3","4","1") = "5"
    & skf21("4","4","6","1","1","3","5","1") = "5"
    & skf21("4","4","6","1","1","3","6","1") = "5"
    & skf21("4","4","6","1","1","3","7","1") = "6"
    & skf21("4","4","6","1","1","4","1","1") = "5"
    & skf21("4","4","6","1","1","4","2","1") = "5"
    & skf21("4","4","6","1","1","4","3","1") = "5"
    & skf21("4","4","6","1","1","4","4","1") = "5"
    & skf21("4","4","6","1","1","4","5","1") = "5"
    & skf21("4","4","6","1","1","4","6","1") = "5"
    & skf21("4","4","6","1","1","4","7","1") = "6"
    & skf21("4","4","6","1","1","5","1","1") = "5"
    & skf21("4","4","6","1","1","5","2","1") = "5"
    & skf21("4","4","6","1","1","5","3","1") = "5"
    & skf21("4","4","6","1","1","5","4","1") = "5"
    & skf21("4","4","6","1","1","5","5","1") = "5"
    & skf21("4","4","6","1","1","5","6","1") = "5"
    & skf21("4","4","6","1","1","5","7","1") = "6"
    & skf21("4","4","6","1","1","6","1","1") = "5"
    & skf21("4","4","6","1","1","6","2","1") = "5"
    & skf21("4","4","6","1","1","6","3","1") = "5"
    & skf21("4","4","6","1","1","6","4","1") = "5"
    & skf21("4","4","6","1","1","6","5","1") = "5"
    & skf21("4","4","6","1","1","6","6","1") = "5"
    & skf21("4","4","6","1","1","6","7","1") = "6"
    & skf21("4","4","6","1","1","7","1","1") = "6"
    & skf21("4","4","6","1","1","7","2","1") = "6"
    & skf21("4","4","6","1","1","7","3","1") = "6"
    & skf21("4","4","6","1","1","7","4","1") = "6"
    & skf21("4","4","6","1","1","7","5","1") = "6"
    & skf21("4","4","6","1","1","7","6","1") = "6"
    & skf21("4","4","6","1","1","7","7","1") = "6"
    & skf21("4","4","6","1","2","1","1","1") = "5"
    & skf21("4","4","6","1","2","1","2","1") = "5"
    & skf21("4","4","6","1","2","1","3","1") = "5"
    & skf21("4","4","6","1","2","1","4","1") = "5"
    & skf21("4","4","6","1","2","1","5","1") = "5"
    & skf21("4","4","6","1","2","1","6","1") = "5"
    & skf21("4","4","6","1","2","1","7","1") = "6"
    & skf21("4","4","6","1","2","2","1","1") = "5"
    & skf21("4","4","6","1","2","2","2","1") = "5"
    & skf21("4","4","6","1","2","2","3","1") = "5"
    & skf21("4","4","6","1","2","2","4","1") = "5"
    & skf21("4","4","6","1","2","2","5","1") = "5"
    & skf21("4","4","6","1","2","2","6","1") = "5"
    & skf21("4","4","6","1","2","2","7","1") = "6"
    & skf21("4","4","6","1","2","3","1","1") = "5"
    & skf21("4","4","6","1","2","3","2","1") = "5"
    & skf21("4","4","6","1","2","3","3","1") = "5"
    & skf21("4","4","6","1","2","3","4","1") = "5"
    & skf21("4","4","6","1","2","3","5","1") = "5"
    & skf21("4","4","6","1","2","3","6","1") = "5"
    & skf21("4","4","6","1","2","3","7","1") = "6"
    & skf21("4","4","6","1","2","4","1","1") = "5"
    & skf21("4","4","6","1","2","4","2","1") = "5"
    & skf21("4","4","6","1","2","4","3","1") = "5"
    & skf21("4","4","6","1","2","4","4","1") = "5"
    & skf21("4","4","6","1","2","4","5","1") = "5"
    & skf21("4","4","6","1","2","4","6","1") = "5"
    & skf21("4","4","6","1","2","4","7","1") = "6"
    & skf21("4","4","6","1","2","5","1","1") = "5"
    & skf21("4","4","6","1","2","5","2","1") = "5"
    & skf21("4","4","6","1","2","5","3","1") = "5"
    & skf21("4","4","6","1","2","5","4","1") = "5"
    & skf21("4","4","6","1","2","5","5","1") = "5"
    & skf21("4","4","6","1","2","5","6","1") = "5"
    & skf21("4","4","6","1","2","5","7","1") = "6"
    & skf21("4","4","6","1","2","6","1","1") = "5"
    & skf21("4","4","6","1","2","6","2","1") = "5"
    & skf21("4","4","6","1","2","6","3","1") = "5"
    & skf21("4","4","6","1","2","6","4","1") = "5"
    & skf21("4","4","6","1","2","6","5","1") = "5"
    & skf21("4","4","6","1","2","6","6","1") = "5"
    & skf21("4","4","6","1","2","6","7","1") = "6"
    & skf21("4","4","6","1","2","7","1","1") = "6"
    & skf21("4","4","6","1","2","7","2","1") = "6"
    & skf21("4","4","6","1","2","7","3","1") = "6"
    & skf21("4","4","6","1","2","7","4","1") = "6"
    & skf21("4","4","6","1","2","7","5","1") = "6"
    & skf21("4","4","6","1","2","7","6","1") = "6"
    & skf21("4","4","6","1","2","7","7","1") = "6"
    & skf21("4","4","6","1","3","1","1","1") = "5"
    & skf21("4","4","6","1","3","1","2","1") = "5"
    & skf21("4","4","6","1","3","1","3","1") = "5"
    & skf21("4","4","6","1","3","1","4","1") = "5"
    & skf21("4","4","6","1","3","1","5","1") = "5"
    & skf21("4","4","6","1","3","1","6","1") = "5"
    & skf21("4","4","6","1","3","1","7","1") = "6"
    & skf21("4","4","6","1","3","2","1","1") = "5"
    & skf21("4","4","6","1","3","2","2","1") = "5"
    & skf21("4","4","6","1","3","2","3","1") = "5"
    & skf21("4","4","6","1","3","2","4","1") = "5"
    & skf21("4","4","6","1","3","2","5","1") = "5"
    & skf21("4","4","6","1","3","2","6","1") = "5"
    & skf21("4","4","6","1","3","2","7","1") = "6"
    & skf21("4","4","6","1","3","3","1","1") = "5"
    & skf21("4","4","6","1","3","3","2","1") = "5"
    & skf21("4","4","6","1","3","3","3","1") = "5"
    & skf21("4","4","6","1","3","3","4","1") = "5"
    & skf21("4","4","6","1","3","3","5","1") = "5"
    & skf21("4","4","6","1","3","3","6","1") = "5"
    & skf21("4","4","6","1","3","3","7","1") = "6"
    & skf21("4","4","6","1","3","4","1","1") = "5"
    & skf21("4","4","6","1","3","4","2","1") = "5"
    & skf21("4","4","6","1","3","4","3","1") = "5"
    & skf21("4","4","6","1","3","4","4","1") = "5"
    & skf21("4","4","6","1","3","4","5","1") = "5"
    & skf21("4","4","6","1","3","4","6","1") = "5"
    & skf21("4","4","6","1","3","4","7","1") = "6"
    & skf21("4","4","6","1","3","5","1","1") = "5"
    & skf21("4","4","6","1","3","5","2","1") = "5"
    & skf21("4","4","6","1","3","5","3","1") = "5"
    & skf21("4","4","6","1","3","5","4","1") = "5"
    & skf21("4","4","6","1","3","5","5","1") = "5"
    & skf21("4","4","6","1","3","5","6","1") = "5"
    & skf21("4","4","6","1","3","5","7","1") = "6"
    & skf21("4","4","6","1","3","6","1","1") = "5"
    & skf21("4","4","6","1","3","6","2","1") = "5"
    & skf21("4","4","6","1","3","6","3","1") = "5"
    & skf21("4","4","6","1","3","6","4","1") = "5"
    & skf21("4","4","6","1","3","6","5","1") = "5"
    & skf21("4","4","6","1","3","6","6","1") = "5"
    & skf21("4","4","6","1","3","6","7","1") = "6"
    & skf21("4","4","6","1","3","7","1","1") = "6"
    & skf21("4","4","6","1","3","7","2","1") = "6"
    & skf21("4","4","6","1","3","7","3","1") = "6"
    & skf21("4","4","6","1","3","7","4","1") = "6"
    & skf21("4","4","6","1","3","7","5","1") = "6"
    & skf21("4","4","6","1","3","7","6","1") = "6"
    & skf21("4","4","6","1","3","7","7","1") = "6"
    & skf21("4","4","6","1","4","1","1","1") = "5"
    & skf21("4","4","6","1","4","1","2","1") = "5"
    & skf21("4","4","6","1","4","1","3","1") = "5"
    & skf21("4","4","6","1","4","1","4","1") = "5"
    & skf21("4","4","6","1","4","1","5","1") = "5"
    & skf21("4","4","6","1","4","1","6","1") = "5"
    & skf21("4","4","6","1","4","1","7","1") = "6"
    & skf21("4","4","6","1","4","2","1","1") = "5"
    & skf21("4","4","6","1","4","2","2","1") = "5"
    & skf21("4","4","6","1","4","2","3","1") = "5"
    & skf21("4","4","6","1","4","2","4","1") = "5"
    & skf21("4","4","6","1","4","2","5","1") = "5"
    & skf21("4","4","6","1","4","2","6","1") = "5"
    & skf21("4","4","6","1","4","2","7","1") = "6"
    & skf21("4","4","6","1","4","3","1","1") = "5"
    & skf21("4","4","6","1","4","3","2","1") = "5"
    & skf21("4","4","6","1","4","3","3","1") = "5"
    & skf21("4","4","6","1","4","3","4","1") = "5"
    & skf21("4","4","6","1","4","3","5","1") = "5"
    & skf21("4","4","6","1","4","3","6","1") = "5"
    & skf21("4","4","6","1","4","3","7","1") = "6"
    & skf21("4","4","6","1","4","4","1","1") = "5"
    & skf21("4","4","6","1","4","4","2","1") = "5"
    & skf21("4","4","6","1","4","4","3","1") = "5"
    & skf21("4","4","6","1","4","4","4","1") = "5"
    & skf21("4","4","6","1","4","4","5","1") = "5"
    & skf21("4","4","6","1","4","4","6","1") = "5"
    & skf21("4","4","6","1","4","4","7","1") = "6"
    & skf21("4","4","6","1","4","5","1","1") = "5"
    & skf21("4","4","6","1","4","5","2","1") = "5"
    & skf21("4","4","6","1","4","5","3","1") = "5"
    & skf21("4","4","6","1","4","5","4","1") = "5"
    & skf21("4","4","6","1","4","5","5","1") = "5"
    & skf21("4","4","6","1","4","5","6","1") = "5"
    & skf21("4","4","6","1","4","5","7","1") = "6"
    & skf21("4","4","6","1","4","6","1","1") = "5"
    & skf21("4","4","6","1","4","6","2","1") = "5"
    & skf21("4","4","6","1","4","6","3","1") = "5"
    & skf21("4","4","6","1","4","6","4","1") = "5"
    & skf21("4","4","6","1","4","6","5","1") = "5"
    & skf21("4","4","6","1","4","6","6","1") = "5"
    & skf21("4","4","6","1","4","6","7","1") = "6"
    & skf21("4","4","6","1","4","7","1","1") = "6"
    & skf21("4","4","6","1","4","7","2","1") = "6"
    & skf21("4","4","6","1","4","7","3","1") = "6"
    & skf21("4","4","6","1","4","7","4","1") = "6"
    & skf21("4","4","6","1","4","7","5","1") = "6"
    & skf21("4","4","6","1","4","7","6","1") = "6"
    & skf21("4","4","6","1","4","7","7","1") = "6"
    & skf21("4","4","6","1","5","1","1","1") = "5"
    & skf21("4","4","6","1","5","1","2","1") = "5"
    & skf21("4","4","6","1","5","1","3","1") = "5"
    & skf21("4","4","6","1","5","1","4","1") = "5"
    & skf21("4","4","6","1","5","1","5","1") = "5"
    & skf21("4","4","6","1","5","1","6","1") = "5"
    & skf21("4","4","6","1","5","1","7","1") = "6"
    & skf21("4","4","6","1","5","2","1","1") = "5"
    & skf21("4","4","6","1","5","2","2","1") = "5"
    & skf21("4","4","6","1","5","2","3","1") = "5"
    & skf21("4","4","6","1","5","2","4","1") = "5"
    & skf21("4","4","6","1","5","2","5","1") = "5"
    & skf21("4","4","6","1","5","2","6","1") = "5"
    & skf21("4","4","6","1","5","2","7","1") = "6"
    & skf21("4","4","6","1","5","3","1","1") = "5"
    & skf21("4","4","6","1","5","3","2","1") = "5"
    & skf21("4","4","6","1","5","3","3","1") = "5"
    & skf21("4","4","6","1","5","3","4","1") = "5"
    & skf21("4","4","6","1","5","3","5","1") = "5"
    & skf21("4","4","6","1","5","3","6","1") = "5"
    & skf21("4","4","6","1","5","3","7","1") = "6"
    & skf21("4","4","6","1","5","4","1","1") = "5"
    & skf21("4","4","6","1","5","4","2","1") = "5"
    & skf21("4","4","6","1","5","4","3","1") = "5"
    & skf21("4","4","6","1","5","4","4","1") = "5"
    & skf21("4","4","6","1","5","4","5","1") = "5"
    & skf21("4","4","6","1","5","4","6","1") = "5"
    & skf21("4","4","6","1","5","4","7","1") = "6"
    & skf21("4","4","6","1","5","5","1","1") = "5"
    & skf21("4","4","6","1","5","5","2","1") = "5"
    & skf21("4","4","6","1","5","5","3","1") = "5"
    & skf21("4","4","6","1","5","5","4","1") = "5"
    & skf21("4","4","6","1","5","5","5","1") = "5"
    & skf21("4","4","6","1","5","5","6","1") = "5"
    & skf21("4","4","6","1","5","5","7","1") = "6"
    & skf21("4","4","6","1","5","6","1","1") = "5"
    & skf21("4","4","6","1","5","6","2","1") = "5"
    & skf21("4","4","6","1","5","6","3","1") = "5"
    & skf21("4","4","6","1","5","6","4","1") = "5"
    & skf21("4","4","6","1","5","6","5","1") = "5"
    & skf21("4","4","6","1","5","6","6","1") = "5"
    & skf21("4","4","6","1","5","6","7","1") = "6"
    & skf21("4","4","6","1","5","7","1","1") = "6"
    & skf21("4","4","6","1","5","7","2","1") = "6"
    & skf21("4","4","6","1","5","7","3","1") = "6"
    & skf21("4","4","6","1","5","7","4","1") = "6"
    & skf21("4","4","6","1","5","7","5","1") = "6"
    & skf21("4","4","6","1","5","7","6","1") = "6"
    & skf21("4","4","6","1","5","7","7","1") = "6"
    & skf21("4","4","6","1","6","1","1","1") = "5"
    & skf21("4","4","6","1","6","1","2","1") = "5"
    & skf21("4","4","6","1","6","1","3","1") = "5"
    & skf21("4","4","6","1","6","1","4","1") = "5"
    & skf21("4","4","6","1","6","1","5","1") = "5"
    & skf21("4","4","6","1","6","1","6","1") = "5"
    & skf21("4","4","6","1","6","1","7","1") = "6"
    & skf21("4","4","6","1","6","2","1","1") = "5"
    & skf21("4","4","6","1","6","2","2","1") = "5"
    & skf21("4","4","6","1","6","2","3","1") = "5"
    & skf21("4","4","6","1","6","2","4","1") = "5"
    & skf21("4","4","6","1","6","2","5","1") = "5"
    & skf21("4","4","6","1","6","2","6","1") = "5"
    & skf21("4","4","6","1","6","2","7","1") = "6"
    & skf21("4","4","6","1","6","3","1","1") = "5"
    & skf21("4","4","6","1","6","3","2","1") = "5"
    & skf21("4","4","6","1","6","3","3","1") = "5"
    & skf21("4","4","6","1","6","3","4","1") = "5"
    & skf21("4","4","6","1","6","3","5","1") = "5"
    & skf21("4","4","6","1","6","3","6","1") = "5"
    & skf21("4","4","6","1","6","3","7","1") = "6"
    & skf21("4","4","6","1","6","4","1","1") = "5"
    & skf21("4","4","6","1","6","4","2","1") = "5"
    & skf21("4","4","6","1","6","4","3","1") = "5"
    & skf21("4","4","6","1","6","4","4","1") = "5"
    & skf21("4","4","6","1","6","4","5","1") = "5"
    & skf21("4","4","6","1","6","4","6","1") = "5"
    & skf21("4","4","6","1","6","4","7","1") = "6"
    & skf21("4","4","6","1","6","5","1","1") = "5"
    & skf21("4","4","6","1","6","5","2","1") = "5"
    & skf21("4","4","6","1","6","5","3","1") = "5"
    & skf21("4","4","6","1","6","5","4","1") = "5"
    & skf21("4","4","6","1","6","5","5","1") = "5"
    & skf21("4","4","6","1","6","5","6","1") = "5"
    & skf21("4","4","6","1","6","5","7","1") = "6"
    & skf21("4","4","6","1","6","6","1","1") = "5"
    & skf21("4","4","6","1","6","6","2","1") = "5"
    & skf21("4","4","6","1","6","6","3","1") = "5"
    & skf21("4","4","6","1","6","6","4","1") = "5"
    & skf21("4","4","6","1","6","6","5","1") = "5"
    & skf21("4","4","6","1","6","6","6","1") = "5"
    & skf21("4","4","6","1","6","6","7","1") = "6"
    & skf21("4","4","6","1","6","7","1","1") = "6"
    & skf21("4","4","6","1","6","7","2","1") = "6"
    & skf21("4","4","6","1","6","7","3","1") = "6"
    & skf21("4","4","6","1","6","7","4","1") = "6"
    & skf21("4","4","6","1","6","7","5","1") = "6"
    & skf21("4","4","6","1","6","7","6","1") = "6"
    & skf21("4","4","6","1","6","7","7","1") = "6"
    & skf21("4","4","6","1","7","1","1","1") = "6"
    & skf21("4","4","6","1","7","1","2","1") = "6"
    & skf21("4","4","6","1","7","1","3","1") = "6"
    & skf21("4","4","6","1","7","1","4","1") = "6"
    & skf21("4","4","6","1","7","1","5","1") = "6"
    & skf21("4","4","6","1","7","1","6","1") = "6"
    & skf21("4","4","6","1","7","1","7","1") = "6"
    & skf21("4","4","6","1","7","2","1","1") = "6"
    & skf21("4","4","6","1","7","2","2","1") = "6"
    & skf21("4","4","6","1","7","2","3","1") = "6"
    & skf21("4","4","6","1","7","2","4","1") = "6"
    & skf21("4","4","6","1","7","2","5","1") = "6"
    & skf21("4","4","6","1","7","2","6","1") = "6"
    & skf21("4","4","6","1","7","2","7","1") = "6"
    & skf21("4","4","6","1","7","3","1","1") = "6"
    & skf21("4","4","6","1","7","3","2","1") = "6"
    & skf21("4","4","6","1","7","3","3","1") = "6"
    & skf21("4","4","6","1","7","3","4","1") = "6"
    & skf21("4","4","6","1","7","3","5","1") = "6"
    & skf21("4","4","6","1","7","3","6","1") = "6"
    & skf21("4","4","6","1","7","3","7","1") = "6"
    & skf21("4","4","6","1","7","4","1","1") = "6"
    & skf21("4","4","6","1","7","4","2","1") = "6"
    & skf21("4","4","6","1","7","4","3","1") = "6"
    & skf21("4","4","6","1","7","4","4","1") = "6"
    & skf21("4","4","6","1","7","4","5","1") = "6"
    & skf21("4","4","6","1","7","4","6","1") = "6"
    & skf21("4","4","6","1","7","4","7","1") = "6"
    & skf21("4","4","6","1","7","5","1","1") = "6"
    & skf21("4","4","6","1","7","5","2","1") = "6"
    & skf21("4","4","6","1","7","5","3","1") = "6"
    & skf21("4","4","6","1","7","5","4","1") = "6"
    & skf21("4","4","6","1","7","5","5","1") = "6"
    & skf21("4","4","6","1","7","5","6","1") = "6"
    & skf21("4","4","6","1","7","5","7","1") = "6"
    & skf21("4","4","6","1","7","6","1","1") = "6"
    & skf21("4","4","6","1","7","6","2","1") = "6"
    & skf21("4","4","6","1","7","6","3","1") = "6"
    & skf21("4","4","6","1","7","6","4","1") = "6"
    & skf21("4","4","6","1","7","6","5","1") = "6"
    & skf21("4","4","6","1","7","6","6","1") = "6"
    & skf21("4","4","6","1","7","6","7","1") = "6"
    & skf21("4","4","6","1","7","7","1","1") = "6"
    & skf21("4","4","6","1","7","7","2","1") = "6"
    & skf21("4","4","6","1","7","7","3","1") = "6"
    & skf21("4","4","6","1","7","7","4","1") = "6"
    & skf21("4","4","6","1","7","7","5","1") = "6"
    & skf21("4","4","6","1","7","7","6","1") = "6"
    & skf21("4","4","6","1","7","7","7","1") = "6"
    & skf21("4","4","6","2","1","1","1","1") = "5"
    & skf21("4","4","6","2","1","1","2","1") = "5"
    & skf21("4","4","6","2","1","1","3","1") = "5"
    & skf21("4","4","6","2","1","1","4","1") = "5"
    & skf21("4","4","6","2","1","1","5","1") = "5"
    & skf21("4","4","6","2","1","1","6","1") = "5"
    & skf21("4","4","6","2","1","1","7","1") = "6"
    & skf21("4","4","6","2","1","2","1","1") = "5"
    & skf21("4","4","6","2","1","2","2","1") = "5"
    & skf21("4","4","6","2","1","2","3","1") = "5"
    & skf21("4","4","6","2","1","2","4","1") = "5"
    & skf21("4","4","6","2","1","2","5","1") = "5"
    & skf21("4","4","6","2","1","2","6","1") = "5"
    & skf21("4","4","6","2","1","2","7","1") = "6"
    & skf21("4","4","6","2","1","3","1","1") = "5"
    & skf21("4","4","6","2","1","3","2","1") = "5"
    & skf21("4","4","6","2","1","3","3","1") = "5"
    & skf21("4","4","6","2","1","3","4","1") = "5"
    & skf21("4","4","6","2","1","3","5","1") = "5"
    & skf21("4","4","6","2","1","3","6","1") = "5"
    & skf21("4","4","6","2","1","3","7","1") = "6"
    & skf21("4","4","6","2","1","4","1","1") = "5"
    & skf21("4","4","6","2","1","4","2","1") = "5"
    & skf21("4","4","6","2","1","4","3","1") = "5"
    & skf21("4","4","6","2","1","4","4","1") = "5"
    & skf21("4","4","6","2","1","4","5","1") = "5"
    & skf21("4","4","6","2","1","4","6","1") = "5"
    & skf21("4","4","6","2","1","4","7","1") = "6"
    & skf21("4","4","6","2","1","5","1","1") = "5"
    & skf21("4","4","6","2","1","5","2","1") = "5"
    & skf21("4","4","6","2","1","5","3","1") = "5"
    & skf21("4","4","6","2","1","5","4","1") = "5"
    & skf21("4","4","6","2","1","5","5","1") = "5"
    & skf21("4","4","6","2","1","5","6","1") = "5"
    & skf21("4","4","6","2","1","5","7","1") = "6"
    & skf21("4","4","6","2","1","6","1","1") = "5"
    & skf21("4","4","6","2","1","6","2","1") = "5"
    & skf21("4","4","6","2","1","6","3","1") = "5"
    & skf21("4","4","6","2","1","6","4","1") = "5"
    & skf21("4","4","6","2","1","6","5","1") = "5"
    & skf21("4","4","6","2","1","6","6","1") = "5"
    & skf21("4","4","6","2","1","6","7","1") = "6"
    & skf21("4","4","6","2","1","7","1","1") = "6"
    & skf21("4","4","6","2","1","7","2","1") = "6"
    & skf21("4","4","6","2","1","7","3","1") = "6"
    & skf21("4","4","6","2","1","7","4","1") = "6"
    & skf21("4","4","6","2","1","7","5","1") = "6"
    & skf21("4","4","6","2","1","7","6","1") = "6"
    & skf21("4","4","6","2","1","7","7","1") = "6"
    & skf21("4","4","6","2","2","1","1","1") = "5"
    & skf21("4","4","6","2","2","1","2","1") = "5"
    & skf21("4","4","6","2","2","1","3","1") = "5"
    & skf21("4","4","6","2","2","1","4","1") = "5"
    & skf21("4","4","6","2","2","1","5","1") = "5"
    & skf21("4","4","6","2","2","1","6","1") = "5"
    & skf21("4","4","6","2","2","1","7","1") = "6"
    & skf21("4","4","6","2","2","2","1","1") = "5"
    & skf21("4","4","6","2","2","2","2","1") = "5"
    & skf21("4","4","6","2","2","2","3","1") = "5"
    & skf21("4","4","6","2","2","2","4","1") = "5"
    & skf21("4","4","6","2","2","2","5","1") = "5"
    & skf21("4","4","6","2","2","2","6","1") = "5"
    & skf21("4","4","6","2","2","2","7","1") = "6"
    & skf21("4","4","6","2","2","3","1","1") = "5"
    & skf21("4","4","6","2","2","3","2","1") = "5"
    & skf21("4","4","6","2","2","3","3","1") = "5"
    & skf21("4","4","6","2","2","3","4","1") = "5"
    & skf21("4","4","6","2","2","3","5","1") = "5"
    & skf21("4","4","6","2","2","3","6","1") = "5"
    & skf21("4","4","6","2","2","3","7","1") = "6"
    & skf21("4","4","6","2","2","4","1","1") = "5"
    & skf21("4","4","6","2","2","4","2","1") = "5"
    & skf21("4","4","6","2","2","4","3","1") = "5"
    & skf21("4","4","6","2","2","4","4","1") = "5"
    & skf21("4","4","6","2","2","4","5","1") = "5"
    & skf21("4","4","6","2","2","4","6","1") = "5"
    & skf21("4","4","6","2","2","4","7","1") = "6"
    & skf21("4","4","6","2","2","5","1","1") = "5"
    & skf21("4","4","6","2","2","5","2","1") = "5"
    & skf21("4","4","6","2","2","5","3","1") = "5"
    & skf21("4","4","6","2","2","5","4","1") = "5"
    & skf21("4","4","6","2","2","5","5","1") = "5"
    & skf21("4","4","6","2","2","5","6","1") = "5"
    & skf21("4","4","6","2","2","5","7","1") = "6"
    & skf21("4","4","6","2","2","6","1","1") = "5"
    & skf21("4","4","6","2","2","6","2","1") = "5"
    & skf21("4","4","6","2","2","6","3","1") = "5"
    & skf21("4","4","6","2","2","6","4","1") = "5"
    & skf21("4","4","6","2","2","6","5","1") = "5"
    & skf21("4","4","6","2","2","6","6","1") = "5"
    & skf21("4","4","6","2","2","6","7","1") = "6"
    & skf21("4","4","6","2","2","7","1","1") = "6"
    & skf21("4","4","6","2","2","7","2","1") = "6"
    & skf21("4","4","6","2","2","7","3","1") = "6"
    & skf21("4","4","6","2","2","7","4","1") = "6"
    & skf21("4","4","6","2","2","7","5","1") = "6"
    & skf21("4","4","6","2","2","7","6","1") = "6"
    & skf21("4","4","6","2","2","7","7","1") = "6"
    & skf21("4","4","6","2","3","1","1","1") = "5"
    & skf21("4","4","6","2","3","1","2","1") = "5"
    & skf21("4","4","6","2","3","1","3","1") = "5"
    & skf21("4","4","6","2","3","1","4","1") = "5"
    & skf21("4","4","6","2","3","1","5","1") = "5"
    & skf21("4","4","6","2","3","1","6","1") = "5"
    & skf21("4","4","6","2","3","1","7","1") = "6"
    & skf21("4","4","6","2","3","2","1","1") = "5"
    & skf21("4","4","6","2","3","2","2","1") = "5"
    & skf21("4","4","6","2","3","2","3","1") = "5"
    & skf21("4","4","6","2","3","2","4","1") = "5"
    & skf21("4","4","6","2","3","2","5","1") = "5"
    & skf21("4","4","6","2","3","2","6","1") = "5"
    & skf21("4","4","6","2","3","2","7","1") = "6"
    & skf21("4","4","6","2","3","3","1","1") = "5"
    & skf21("4","4","6","2","3","3","2","1") = "5"
    & skf21("4","4","6","2","3","3","3","1") = "5"
    & skf21("4","4","6","2","3","3","4","1") = "5"
    & skf21("4","4","6","2","3","3","5","1") = "5"
    & skf21("4","4","6","2","3","3","6","1") = "5"
    & skf21("4","4","6","2","3","3","7","1") = "6"
    & skf21("4","4","6","2","3","4","1","1") = "5"
    & skf21("4","4","6","2","3","4","2","1") = "5"
    & skf21("4","4","6","2","3","4","3","1") = "5"
    & skf21("4","4","6","2","3","4","4","1") = "5"
    & skf21("4","4","6","2","3","4","5","1") = "5"
    & skf21("4","4","6","2","3","4","6","1") = "5"
    & skf21("4","4","6","2","3","4","7","1") = "6"
    & skf21("4","4","6","2","3","5","1","1") = "5"
    & skf21("4","4","6","2","3","5","2","1") = "5"
    & skf21("4","4","6","2","3","5","3","1") = "5"
    & skf21("4","4","6","2","3","5","4","1") = "5"
    & skf21("4","4","6","2","3","5","5","1") = "5"
    & skf21("4","4","6","2","3","5","6","1") = "5"
    & skf21("4","4","6","2","3","5","7","1") = "6"
    & skf21("4","4","6","2","3","6","1","1") = "5"
    & skf21("4","4","6","2","3","6","2","1") = "5"
    & skf21("4","4","6","2","3","6","3","1") = "5"
    & skf21("4","4","6","2","3","6","4","1") = "5"
    & skf21("4","4","6","2","3","6","5","1") = "5"
    & skf21("4","4","6","2","3","6","6","1") = "5"
    & skf21("4","4","6","2","3","6","7","1") = "6"
    & skf21("4","4","6","2","3","7","1","1") = "6"
    & skf21("4","4","6","2","3","7","2","1") = "6"
    & skf21("4","4","6","2","3","7","3","1") = "6"
    & skf21("4","4","6","2","3","7","4","1") = "6"
    & skf21("4","4","6","2","3","7","5","1") = "6"
    & skf21("4","4","6","2","3","7","6","1") = "6"
    & skf21("4","4","6","2","3","7","7","1") = "6"
    & skf21("4","4","6","2","4","1","1","1") = "5"
    & skf21("4","4","6","2","4","1","2","1") = "5"
    & skf21("4","4","6","2","4","1","3","1") = "5"
    & skf21("4","4","6","2","4","1","4","1") = "5"
    & skf21("4","4","6","2","4","1","5","1") = "5"
    & skf21("4","4","6","2","4","1","6","1") = "5"
    & skf21("4","4","6","2","4","1","7","1") = "6"
    & skf21("4","4","6","2","4","2","1","1") = "5"
    & skf21("4","4","6","2","4","2","2","1") = "5"
    & skf21("4","4","6","2","4","2","3","1") = "5"
    & skf21("4","4","6","2","4","2","4","1") = "5"
    & skf21("4","4","6","2","4","2","5","1") = "5"
    & skf21("4","4","6","2","4","2","6","1") = "5"
    & skf21("4","4","6","2","4","2","7","1") = "6"
    & skf21("4","4","6","2","4","3","1","1") = "5"
    & skf21("4","4","6","2","4","3","2","1") = "5"
    & skf21("4","4","6","2","4","3","3","1") = "5"
    & skf21("4","4","6","2","4","3","4","1") = "5"
    & skf21("4","4","6","2","4","3","5","1") = "5"
    & skf21("4","4","6","2","4","3","6","1") = "5"
    & skf21("4","4","6","2","4","3","7","1") = "6"
    & skf21("4","4","6","2","4","4","1","1") = "5"
    & skf21("4","4","6","2","4","4","2","1") = "5"
    & skf21("4","4","6","2","4","4","3","1") = "5"
    & skf21("4","4","6","2","4","4","4","1") = "5"
    & skf21("4","4","6","2","4","4","5","1") = "5"
    & skf21("4","4","6","2","4","4","6","1") = "5"
    & skf21("4","4","6","2","4","4","7","1") = "6"
    & skf21("4","4","6","2","4","5","1","1") = "5"
    & skf21("4","4","6","2","4","5","2","1") = "5"
    & skf21("4","4","6","2","4","5","3","1") = "5"
    & skf21("4","4","6","2","4","5","4","1") = "5"
    & skf21("4","4","6","2","4","5","5","1") = "5"
    & skf21("4","4","6","2","4","5","6","1") = "5"
    & skf21("4","4","6","2","4","5","7","1") = "6"
    & skf21("4","4","6","2","4","6","1","1") = "5"
    & skf21("4","4","6","2","4","6","2","1") = "5"
    & skf21("4","4","6","2","4","6","3","1") = "5"
    & skf21("4","4","6","2","4","6","4","1") = "5"
    & skf21("4","4","6","2","4","6","5","1") = "5"
    & skf21("4","4","6","2","4","6","6","1") = "5"
    & skf21("4","4","6","2","4","6","7","1") = "6"
    & skf21("4","4","6","2","4","7","1","1") = "6"
    & skf21("4","4","6","2","4","7","2","1") = "6"
    & skf21("4","4","6","2","4","7","3","1") = "6"
    & skf21("4","4","6","2","4","7","4","1") = "6"
    & skf21("4","4","6","2","4","7","5","1") = "6"
    & skf21("4","4","6","2","4","7","6","1") = "6"
    & skf21("4","4","6","2","4","7","7","1") = "6"
    & skf21("4","4","6","2","5","1","1","1") = "5"
    & skf21("4","4","6","2","5","1","2","1") = "5"
    & skf21("4","4","6","2","5","1","3","1") = "5"
    & skf21("4","4","6","2","5","1","4","1") = "5"
    & skf21("4","4","6","2","5","1","5","1") = "5"
    & skf21("4","4","6","2","5","1","6","1") = "5"
    & skf21("4","4","6","2","5","1","7","1") = "6"
    & skf21("4","4","6","2","5","2","1","1") = "5"
    & skf21("4","4","6","2","5","2","2","1") = "5"
    & skf21("4","4","6","2","5","2","3","1") = "5"
    & skf21("4","4","6","2","5","2","4","1") = "5"
    & skf21("4","4","6","2","5","2","5","1") = "5"
    & skf21("4","4","6","2","5","2","6","1") = "5"
    & skf21("4","4","6","2","5","2","7","1") = "6"
    & skf21("4","4","6","2","5","3","1","1") = "5"
    & skf21("4","4","6","2","5","3","2","1") = "5"
    & skf21("4","4","6","2","5","3","3","1") = "5"
    & skf21("4","4","6","2","5","3","4","1") = "5"
    & skf21("4","4","6","2","5","3","5","1") = "5"
    & skf21("4","4","6","2","5","3","6","1") = "5"
    & skf21("4","4","6","2","5","3","7","1") = "6"
    & skf21("4","4","6","2","5","4","1","1") = "5"
    & skf21("4","4","6","2","5","4","2","1") = "5"
    & skf21("4","4","6","2","5","4","3","1") = "5"
    & skf21("4","4","6","2","5","4","4","1") = "5"
    & skf21("4","4","6","2","5","4","5","1") = "5"
    & skf21("4","4","6","2","5","4","6","1") = "5"
    & skf21("4","4","6","2","5","4","7","1") = "6"
    & skf21("4","4","6","2","5","5","1","1") = "5"
    & skf21("4","4","6","2","5","5","2","1") = "5"
    & skf21("4","4","6","2","5","5","3","1") = "5"
    & skf21("4","4","6","2","5","5","4","1") = "5"
    & skf21("4","4","6","2","5","5","5","1") = "5"
    & skf21("4","4","6","2","5","5","6","1") = "5"
    & skf21("4","4","6","2","5","5","7","1") = "6"
    & skf21("4","4","6","2","5","6","1","1") = "5"
    & skf21("4","4","6","2","5","6","2","1") = "5"
    & skf21("4","4","6","2","5","6","3","1") = "5"
    & skf21("4","4","6","2","5","6","4","1") = "5"
    & skf21("4","4","6","2","5","6","5","1") = "5"
    & skf21("4","4","6","2","5","6","6","1") = "5"
    & skf21("4","4","6","2","5","6","7","1") = "6"
    & skf21("4","4","6","2","5","7","1","1") = "6"
    & skf21("4","4","6","2","5","7","2","1") = "6"
    & skf21("4","4","6","2","5","7","3","1") = "6"
    & skf21("4","4","6","2","5","7","4","1") = "6"
    & skf21("4","4","6","2","5","7","5","1") = "6"
    & skf21("4","4","6","2","5","7","6","1") = "6"
    & skf21("4","4","6","2","5","7","7","1") = "6"
    & skf21("4","4","6","2","6","1","1","1") = "5"
    & skf21("4","4","6","2","6","1","2","1") = "5"
    & skf21("4","4","6","2","6","1","3","1") = "5"
    & skf21("4","4","6","2","6","1","4","1") = "5"
    & skf21("4","4","6","2","6","1","5","1") = "5"
    & skf21("4","4","6","2","6","1","6","1") = "5"
    & skf21("4","4","6","2","6","1","7","1") = "6"
    & skf21("4","4","6","2","6","2","1","1") = "5"
    & skf21("4","4","6","2","6","2","2","1") = "5"
    & skf21("4","4","6","2","6","2","3","1") = "5"
    & skf21("4","4","6","2","6","2","4","1") = "5"
    & skf21("4","4","6","2","6","2","5","1") = "5"
    & skf21("4","4","6","2","6","2","6","1") = "5"
    & skf21("4","4","6","2","6","2","7","1") = "6"
    & skf21("4","4","6","2","6","3","1","1") = "5"
    & skf21("4","4","6","2","6","3","2","1") = "5"
    & skf21("4","4","6","2","6","3","3","1") = "5"
    & skf21("4","4","6","2","6","3","4","1") = "5"
    & skf21("4","4","6","2","6","3","5","1") = "5"
    & skf21("4","4","6","2","6","3","6","1") = "5"
    & skf21("4","4","6","2","6","3","7","1") = "6"
    & skf21("4","4","6","2","6","4","1","1") = "5"
    & skf21("4","4","6","2","6","4","2","1") = "5"
    & skf21("4","4","6","2","6","4","3","1") = "5"
    & skf21("4","4","6","2","6","4","4","1") = "5"
    & skf21("4","4","6","2","6","4","5","1") = "5"
    & skf21("4","4","6","2","6","4","6","1") = "5"
    & skf21("4","4","6","2","6","4","7","1") = "6"
    & skf21("4","4","6","2","6","5","1","1") = "5"
    & skf21("4","4","6","2","6","5","2","1") = "5"
    & skf21("4","4","6","2","6","5","3","1") = "5"
    & skf21("4","4","6","2","6","5","4","1") = "5"
    & skf21("4","4","6","2","6","5","5","1") = "5"
    & skf21("4","4","6","2","6","5","6","1") = "5"
    & skf21("4","4","6","2","6","5","7","1") = "6"
    & skf21("4","4","6","2","6","6","1","1") = "5"
    & skf21("4","4","6","2","6","6","2","1") = "5"
    & skf21("4","4","6","2","6","6","3","1") = "5"
    & skf21("4","4","6","2","6","6","4","1") = "5"
    & skf21("4","4","6","2","6","6","5","1") = "5"
    & skf21("4","4","6","2","6","6","6","1") = "5"
    & skf21("4","4","6","2","6","6","7","1") = "6"
    & skf21("4","4","6","2","6","7","1","1") = "6"
    & skf21("4","4","6","2","6","7","2","1") = "6"
    & skf21("4","4","6","2","6","7","3","1") = "6"
    & skf21("4","4","6","2","6","7","4","1") = "6"
    & skf21("4","4","6","2","6","7","5","1") = "6"
    & skf21("4","4","6","2","6","7","6","1") = "6"
    & skf21("4","4","6","2","6","7","7","1") = "6"
    & skf21("4","4","6","2","7","1","1","1") = "6"
    & skf21("4","4","6","2","7","1","2","1") = "6"
    & skf21("4","4","6","2","7","1","3","1") = "6"
    & skf21("4","4","6","2","7","1","4","1") = "6"
    & skf21("4","4","6","2","7","1","5","1") = "6"
    & skf21("4","4","6","2","7","1","6","1") = "6"
    & skf21("4","4","6","2","7","1","7","1") = "6"
    & skf21("4","4","6","2","7","2","1","1") = "6"
    & skf21("4","4","6","2","7","2","2","1") = "6"
    & skf21("4","4","6","2","7","2","3","1") = "6"
    & skf21("4","4","6","2","7","2","4","1") = "6"
    & skf21("4","4","6","2","7","2","5","1") = "6"
    & skf21("4","4","6","2","7","2","6","1") = "6"
    & skf21("4","4","6","2","7","2","7","1") = "6"
    & skf21("4","4","6","2","7","3","1","1") = "6"
    & skf21("4","4","6","2","7","3","2","1") = "6"
    & skf21("4","4","6","2","7","3","3","1") = "6"
    & skf21("4","4","6","2","7","3","4","1") = "6"
    & skf21("4","4","6","2","7","3","5","1") = "6"
    & skf21("4","4","6","2","7","3","6","1") = "6"
    & skf21("4","4","6","2","7","3","7","1") = "6"
    & skf21("4","4","6","2","7","4","1","1") = "6"
    & skf21("4","4","6","2","7","4","2","1") = "6"
    & skf21("4","4","6","2","7","4","3","1") = "6"
    & skf21("4","4","6","2","7","4","4","1") = "6"
    & skf21("4","4","6","2","7","4","5","1") = "6"
    & skf21("4","4","6","2","7","4","6","1") = "6"
    & skf21("4","4","6","2","7","4","7","1") = "6"
    & skf21("4","4","6","2","7","5","1","1") = "6"
    & skf21("4","4","6","2","7","5","2","1") = "6"
    & skf21("4","4","6","2","7","5","3","1") = "6"
    & skf21("4","4","6","2","7","5","4","1") = "6"
    & skf21("4","4","6","2","7","5","5","1") = "6"
    & skf21("4","4","6","2","7","5","6","1") = "6"
    & skf21("4","4","6","2","7","5","7","1") = "6"
    & skf21("4","4","6","2","7","6","1","1") = "6"
    & skf21("4","4","6","2","7","6","2","1") = "6"
    & skf21("4","4","6","2","7","6","3","1") = "6"
    & skf21("4","4","6","2","7","6","4","1") = "6"
    & skf21("4","4","6","2","7","6","5","1") = "6"
    & skf21("4","4","6","2","7","6","6","1") = "6"
    & skf21("4","4","6","2","7","6","7","1") = "6"
    & skf21("4","4","6","2","7","7","1","1") = "6"
    & skf21("4","4","6","2","7","7","2","1") = "6"
    & skf21("4","4","6","2","7","7","3","1") = "6"
    & skf21("4","4","6","2","7","7","4","1") = "6"
    & skf21("4","4","6","2","7","7","5","1") = "6"
    & skf21("4","4","6","2","7","7","6","1") = "6"
    & skf21("4","4","6","2","7","7","7","1") = "6"
    & skf21("4","4","6","3","1","1","1","1") = "5"
    & skf21("4","4","6","3","1","1","2","1") = "5"
    & skf21("4","4","6","3","1","1","3","1") = "5"
    & skf21("4","4","6","3","1","1","4","1") = "5"
    & skf21("4","4","6","3","1","1","5","1") = "5"
    & skf21("4","4","6","3","1","1","6","1") = "5"
    & skf21("4","4","6","3","1","1","7","1") = "6"
    & skf21("4","4","6","3","1","2","1","1") = "5"
    & skf21("4","4","6","3","1","2","2","1") = "5"
    & skf21("4","4","6","3","1","2","3","1") = "5"
    & skf21("4","4","6","3","1","2","4","1") = "5"
    & skf21("4","4","6","3","1","2","5","1") = "5"
    & skf21("4","4","6","3","1","2","6","1") = "5"
    & skf21("4","4","6","3","1","2","7","1") = "6"
    & skf21("4","4","6","3","1","3","1","1") = "5"
    & skf21("4","4","6","3","1","3","2","1") = "5"
    & skf21("4","4","6","3","1","3","3","1") = "5"
    & skf21("4","4","6","3","1","3","4","1") = "5"
    & skf21("4","4","6","3","1","3","5","1") = "5"
    & skf21("4","4","6","3","1","3","6","1") = "5"
    & skf21("4","4","6","3","1","3","7","1") = "6"
    & skf21("4","4","6","3","1","4","1","1") = "5"
    & skf21("4","4","6","3","1","4","2","1") = "5"
    & skf21("4","4","6","3","1","4","3","1") = "5"
    & skf21("4","4","6","3","1","4","4","1") = "5"
    & skf21("4","4","6","3","1","4","5","1") = "5"
    & skf21("4","4","6","3","1","4","6","1") = "5"
    & skf21("4","4","6","3","1","4","7","1") = "6"
    & skf21("4","4","6","3","1","5","1","1") = "5"
    & skf21("4","4","6","3","1","5","2","1") = "5"
    & skf21("4","4","6","3","1","5","3","1") = "5"
    & skf21("4","4","6","3","1","5","4","1") = "5"
    & skf21("4","4","6","3","1","5","5","1") = "5"
    & skf21("4","4","6","3","1","5","6","1") = "5"
    & skf21("4","4","6","3","1","5","7","1") = "6"
    & skf21("4","4","6","3","1","6","1","1") = "5"
    & skf21("4","4","6","3","1","6","2","1") = "5"
    & skf21("4","4","6","3","1","6","3","1") = "5"
    & skf21("4","4","6","3","1","6","4","1") = "5"
    & skf21("4","4","6","3","1","6","5","1") = "5"
    & skf21("4","4","6","3","1","6","6","1") = "5"
    & skf21("4","4","6","3","1","6","7","1") = "6"
    & skf21("4","4","6","3","1","7","1","1") = "6"
    & skf21("4","4","6","3","1","7","2","1") = "6"
    & skf21("4","4","6","3","1","7","3","1") = "6"
    & skf21("4","4","6","3","1","7","4","1") = "6"
    & skf21("4","4","6","3","1","7","5","1") = "6"
    & skf21("4","4","6","3","1","7","6","1") = "6"
    & skf21("4","4","6","3","1","7","7","1") = "6"
    & skf21("4","4","6","3","2","1","1","1") = "5"
    & skf21("4","4","6","3","2","1","2","1") = "5"
    & skf21("4","4","6","3","2","1","3","1") = "5"
    & skf21("4","4","6","3","2","1","4","1") = "5"
    & skf21("4","4","6","3","2","1","5","1") = "5"
    & skf21("4","4","6","3","2","1","6","1") = "5"
    & skf21("4","4","6","3","2","1","7","1") = "6"
    & skf21("4","4","6","3","2","2","1","1") = "5"
    & skf21("4","4","6","3","2","2","2","1") = "5"
    & skf21("4","4","6","3","2","2","3","1") = "5"
    & skf21("4","4","6","3","2","2","4","1") = "5"
    & skf21("4","4","6","3","2","2","5","1") = "5"
    & skf21("4","4","6","3","2","2","6","1") = "5"
    & skf21("4","4","6","3","2","2","7","1") = "6"
    & skf21("4","4","6","3","2","3","1","1") = "5"
    & skf21("4","4","6","3","2","3","2","1") = "5"
    & skf21("4","4","6","3","2","3","3","1") = "5"
    & skf21("4","4","6","3","2","3","4","1") = "5"
    & skf21("4","4","6","3","2","3","5","1") = "5"
    & skf21("4","4","6","3","2","3","6","1") = "5"
    & skf21("4","4","6","3","2","3","7","1") = "6"
    & skf21("4","4","6","3","2","4","1","1") = "5"
    & skf21("4","4","6","3","2","4","2","1") = "5"
    & skf21("4","4","6","3","2","4","3","1") = "5"
    & skf21("4","4","6","3","2","4","4","1") = "5"
    & skf21("4","4","6","3","2","4","5","1") = "5"
    & skf21("4","4","6","3","2","4","6","1") = "5"
    & skf21("4","4","6","3","2","4","7","1") = "6"
    & skf21("4","4","6","3","2","5","1","1") = "5"
    & skf21("4","4","6","3","2","5","2","1") = "5"
    & skf21("4","4","6","3","2","5","3","1") = "5"
    & skf21("4","4","6","3","2","5","4","1") = "5"
    & skf21("4","4","6","3","2","5","5","1") = "5"
    & skf21("4","4","6","3","2","5","6","1") = "5"
    & skf21("4","4","6","3","2","5","7","1") = "6"
    & skf21("4","4","6","3","2","6","1","1") = "5"
    & skf21("4","4","6","3","2","6","2","1") = "5"
    & skf21("4","4","6","3","2","6","3","1") = "5"
    & skf21("4","4","6","3","2","6","4","1") = "5"
    & skf21("4","4","6","3","2","6","5","1") = "5"
    & skf21("4","4","6","3","2","6","6","1") = "5"
    & skf21("4","4","6","3","2","6","7","1") = "6"
    & skf21("4","4","6","3","2","7","1","1") = "6"
    & skf21("4","4","6","3","2","7","2","1") = "6"
    & skf21("4","4","6","3","2","7","3","1") = "6"
    & skf21("4","4","6","3","2","7","4","1") = "6"
    & skf21("4","4","6","3","2","7","5","1") = "6"
    & skf21("4","4","6","3","2","7","6","1") = "6"
    & skf21("4","4","6","3","2","7","7","1") = "6"
    & skf21("4","4","6","3","3","1","1","1") = "5"
    & skf21("4","4","6","3","3","1","2","1") = "5"
    & skf21("4","4","6","3","3","1","3","1") = "5"
    & skf21("4","4","6","3","3","1","4","1") = "5"
    & skf21("4","4","6","3","3","1","5","1") = "5"
    & skf21("4","4","6","3","3","1","6","1") = "5"
    & skf21("4","4","6","3","3","1","7","1") = "6"
    & skf21("4","4","6","3","3","2","1","1") = "5"
    & skf21("4","4","6","3","3","2","2","1") = "5"
    & skf21("4","4","6","3","3","2","3","1") = "5"
    & skf21("4","4","6","3","3","2","4","1") = "5"
    & skf21("4","4","6","3","3","2","5","1") = "5"
    & skf21("4","4","6","3","3","2","6","1") = "5"
    & skf21("4","4","6","3","3","2","7","1") = "6"
    & skf21("4","4","6","3","3","3","1","1") = "5"
    & skf21("4","4","6","3","3","3","2","1") = "5"
    & skf21("4","4","6","3","3","3","3","1") = "5"
    & skf21("4","4","6","3","3","3","4","1") = "5"
    & skf21("4","4","6","3","3","3","5","1") = "5"
    & skf21("4","4","6","3","3","3","6","1") = "5"
    & skf21("4","4","6","3","3","3","7","1") = "6"
    & skf21("4","4","6","3","3","4","1","1") = "5"
    & skf21("4","4","6","3","3","4","2","1") = "5"
    & skf21("4","4","6","3","3","4","3","1") = "5"
    & skf21("4","4","6","3","3","4","4","1") = "5"
    & skf21("4","4","6","3","3","4","5","1") = "5"
    & skf21("4","4","6","3","3","4","6","1") = "5"
    & skf21("4","4","6","3","3","4","7","1") = "6"
    & skf21("4","4","6","3","3","5","1","1") = "5"
    & skf21("4","4","6","3","3","5","2","1") = "5"
    & skf21("4","4","6","3","3","5","3","1") = "5"
    & skf21("4","4","6","3","3","5","4","1") = "5"
    & skf21("4","4","6","3","3","5","5","1") = "5"
    & skf21("4","4","6","3","3","5","6","1") = "5"
    & skf21("4","4","6","3","3","5","7","1") = "6"
    & skf21("4","4","6","3","3","6","1","1") = "5"
    & skf21("4","4","6","3","3","6","2","1") = "5"
    & skf21("4","4","6","3","3","6","3","1") = "5"
    & skf21("4","4","6","3","3","6","4","1") = "5"
    & skf21("4","4","6","3","3","6","5","1") = "5"
    & skf21("4","4","6","3","3","6","6","1") = "5"
    & skf21("4","4","6","3","3","6","7","1") = "6"
    & skf21("4","4","6","3","3","7","1","1") = "6"
    & skf21("4","4","6","3","3","7","2","1") = "6"
    & skf21("4","4","6","3","3","7","3","1") = "6"
    & skf21("4","4","6","3","3","7","4","1") = "6"
    & skf21("4","4","6","3","3","7","5","1") = "6"
    & skf21("4","4","6","3","3","7","6","1") = "6"
    & skf21("4","4","6","3","3","7","7","1") = "6"
    & skf21("4","4","6","3","4","1","1","1") = "5"
    & skf21("4","4","6","3","4","1","2","1") = "5"
    & skf21("4","4","6","3","4","1","3","1") = "5"
    & skf21("4","4","6","3","4","1","4","1") = "5"
    & skf21("4","4","6","3","4","1","5","1") = "5"
    & skf21("4","4","6","3","4","1","6","1") = "5"
    & skf21("4","4","6","3","4","1","7","1") = "6"
    & skf21("4","4","6","3","4","2","1","1") = "5"
    & skf21("4","4","6","3","4","2","2","1") = "5"
    & skf21("4","4","6","3","4","2","3","1") = "5"
    & skf21("4","4","6","3","4","2","4","1") = "5"
    & skf21("4","4","6","3","4","2","5","1") = "5"
    & skf21("4","4","6","3","4","2","6","1") = "5"
    & skf21("4","4","6","3","4","2","7","1") = "6"
    & skf21("4","4","6","3","4","3","1","1") = "5"
    & skf21("4","4","6","3","4","3","2","1") = "5"
    & skf21("4","4","6","3","4","3","3","1") = "5"
    & skf21("4","4","6","3","4","3","4","1") = "5"
    & skf21("4","4","6","3","4","3","5","1") = "5"
    & skf21("4","4","6","3","4","3","6","1") = "5"
    & skf21("4","4","6","3","4","3","7","1") = "6"
    & skf21("4","4","6","3","4","4","1","1") = "5"
    & skf21("4","4","6","3","4","4","2","1") = "5"
    & skf21("4","4","6","3","4","4","3","1") = "5"
    & skf21("4","4","6","3","4","4","4","1") = "5"
    & skf21("4","4","6","3","4","4","5","1") = "5"
    & skf21("4","4","6","3","4","4","6","1") = "5"
    & skf21("4","4","6","3","4","4","7","1") = "6"
    & skf21("4","4","6","3","4","5","1","1") = "5"
    & skf21("4","4","6","3","4","5","2","1") = "5"
    & skf21("4","4","6","3","4","5","3","1") = "5"
    & skf21("4","4","6","3","4","5","4","1") = "5"
    & skf21("4","4","6","3","4","5","5","1") = "5"
    & skf21("4","4","6","3","4","5","6","1") = "5"
    & skf21("4","4","6","3","4","5","7","1") = "6"
    & skf21("4","4","6","3","4","6","1","1") = "5"
    & skf21("4","4","6","3","4","6","2","1") = "5"
    & skf21("4","4","6","3","4","6","3","1") = "5"
    & skf21("4","4","6","3","4","6","4","1") = "5"
    & skf21("4","4","6","3","4","6","5","1") = "5"
    & skf21("4","4","6","3","4","6","6","1") = "5"
    & skf21("4","4","6","3","4","6","7","1") = "6"
    & skf21("4","4","6","3","4","7","1","1") = "6"
    & skf21("4","4","6","3","4","7","2","1") = "6"
    & skf21("4","4","6","3","4","7","3","1") = "6"
    & skf21("4","4","6","3","4","7","4","1") = "6"
    & skf21("4","4","6","3","4","7","5","1") = "6"
    & skf21("4","4","6","3","4","7","6","1") = "6"
    & skf21("4","4","6","3","4","7","7","1") = "6"
    & skf21("4","4","6","3","5","1","1","1") = "5"
    & skf21("4","4","6","3","5","1","2","1") = "5"
    & skf21("4","4","6","3","5","1","3","1") = "5"
    & skf21("4","4","6","3","5","1","4","1") = "5"
    & skf21("4","4","6","3","5","1","5","1") = "5"
    & skf21("4","4","6","3","5","1","6","1") = "5"
    & skf21("4","4","6","3","5","1","7","1") = "6"
    & skf21("4","4","6","3","5","2","1","1") = "5"
    & skf21("4","4","6","3","5","2","2","1") = "5"
    & skf21("4","4","6","3","5","2","3","1") = "5"
    & skf21("4","4","6","3","5","2","4","1") = "5"
    & skf21("4","4","6","3","5","2","5","1") = "5"
    & skf21("4","4","6","3","5","2","6","1") = "5"
    & skf21("4","4","6","3","5","2","7","1") = "6"
    & skf21("4","4","6","3","5","3","1","1") = "5"
    & skf21("4","4","6","3","5","3","2","1") = "5"
    & skf21("4","4","6","3","5","3","3","1") = "5"
    & skf21("4","4","6","3","5","3","4","1") = "5"
    & skf21("4","4","6","3","5","3","5","1") = "5"
    & skf21("4","4","6","3","5","3","6","1") = "5"
    & skf21("4","4","6","3","5","3","7","1") = "6"
    & skf21("4","4","6","3","5","4","1","1") = "5"
    & skf21("4","4","6","3","5","4","2","1") = "5"
    & skf21("4","4","6","3","5","4","3","1") = "5"
    & skf21("4","4","6","3","5","4","4","1") = "5"
    & skf21("4","4","6","3","5","4","5","1") = "5"
    & skf21("4","4","6","3","5","4","6","1") = "5"
    & skf21("4","4","6","3","5","4","7","1") = "6"
    & skf21("4","4","6","3","5","5","1","1") = "5"
    & skf21("4","4","6","3","5","5","2","1") = "5"
    & skf21("4","4","6","3","5","5","3","1") = "5"
    & skf21("4","4","6","3","5","5","4","1") = "5"
    & skf21("4","4","6","3","5","5","5","1") = "5"
    & skf21("4","4","6","3","5","5","6","1") = "5"
    & skf21("4","4","6","3","5","5","7","1") = "6"
    & skf21("4","4","6","3","5","6","1","1") = "5"
    & skf21("4","4","6","3","5","6","2","1") = "5"
    & skf21("4","4","6","3","5","6","3","1") = "5"
    & skf21("4","4","6","3","5","6","4","1") = "5"
    & skf21("4","4","6","3","5","6","5","1") = "5"
    & skf21("4","4","6","3","5","6","6","1") = "5"
    & skf21("4","4","6","3","5","6","7","1") = "6"
    & skf21("4","4","6","3","5","7","1","1") = "6"
    & skf21("4","4","6","3","5","7","2","1") = "6"
    & skf21("4","4","6","3","5","7","3","1") = "6"
    & skf21("4","4","6","3","5","7","4","1") = "6"
    & skf21("4","4","6","3","5","7","5","1") = "6"
    & skf21("4","4","6","3","5","7","6","1") = "6"
    & skf21("4","4","6","3","5","7","7","1") = "6"
    & skf21("4","4","6","3","6","1","1","1") = "5"
    & skf21("4","4","6","3","6","1","2","1") = "5"
    & skf21("4","4","6","3","6","1","3","1") = "5"
    & skf21("4","4","6","3","6","1","4","1") = "5"
    & skf21("4","4","6","3","6","1","5","1") = "5"
    & skf21("4","4","6","3","6","1","6","1") = "5"
    & skf21("4","4","6","3","6","1","7","1") = "6"
    & skf21("4","4","6","3","6","2","1","1") = "5"
    & skf21("4","4","6","3","6","2","2","1") = "5"
    & skf21("4","4","6","3","6","2","3","1") = "5"
    & skf21("4","4","6","3","6","2","4","1") = "5"
    & skf21("4","4","6","3","6","2","5","1") = "5"
    & skf21("4","4","6","3","6","2","6","1") = "5"
    & skf21("4","4","6","3","6","2","7","1") = "6"
    & skf21("4","4","6","3","6","3","1","1") = "5"
    & skf21("4","4","6","3","6","3","2","1") = "5"
    & skf21("4","4","6","3","6","3","3","1") = "5"
    & skf21("4","4","6","3","6","3","4","1") = "5"
    & skf21("4","4","6","3","6","3","5","1") = "5"
    & skf21("4","4","6","3","6","3","6","1") = "5"
    & skf21("4","4","6","3","6","3","7","1") = "6"
    & skf21("4","4","6","3","6","4","1","1") = "5"
    & skf21("4","4","6","3","6","4","2","1") = "5"
    & skf21("4","4","6","3","6","4","3","1") = "5"
    & skf21("4","4","6","3","6","4","4","1") = "5"
    & skf21("4","4","6","3","6","4","5","1") = "5"
    & skf21("4","4","6","3","6","4","6","1") = "5"
    & skf21("4","4","6","3","6","4","7","1") = "6"
    & skf21("4","4","6","3","6","5","1","1") = "5"
    & skf21("4","4","6","3","6","5","2","1") = "5"
    & skf21("4","4","6","3","6","5","3","1") = "5"
    & skf21("4","4","6","3","6","5","4","1") = "5"
    & skf21("4","4","6","3","6","5","5","1") = "5"
    & skf21("4","4","6","3","6","5","6","1") = "5"
    & skf21("4","4","6","3","6","5","7","1") = "6"
    & skf21("4","4","6","3","6","6","1","1") = "5"
    & skf21("4","4","6","3","6","6","2","1") = "5"
    & skf21("4","4","6","3","6","6","3","1") = "5"
    & skf21("4","4","6","3","6","6","4","1") = "5"
    & skf21("4","4","6","3","6","6","5","1") = "5"
    & skf21("4","4","6","3","6","6","6","1") = "5"
    & skf21("4","4","6","3","6","6","7","1") = "6"
    & skf21("4","4","6","3","6","7","1","1") = "6"
    & skf21("4","4","6","3","6","7","2","1") = "6"
    & skf21("4","4","6","3","6","7","3","1") = "6"
    & skf21("4","4","6","3","6","7","4","1") = "6"
    & skf21("4","4","6","3","6","7","5","1") = "6"
    & skf21("4","4","6","3","6","7","6","1") = "6"
    & skf21("4","4","6","3","6","7","7","1") = "6"
    & skf21("4","4","6","3","7","1","1","1") = "6"
    & skf21("4","4","6","3","7","1","2","1") = "6"
    & skf21("4","4","6","3","7","1","3","1") = "6"
    & skf21("4","4","6","3","7","1","4","1") = "6"
    & skf21("4","4","6","3","7","1","5","1") = "6"
    & skf21("4","4","6","3","7","1","6","1") = "6"
    & skf21("4","4","6","3","7","1","7","1") = "6"
    & skf21("4","4","6","3","7","2","1","1") = "6"
    & skf21("4","4","6","3","7","2","2","1") = "6"
    & skf21("4","4","6","3","7","2","3","1") = "6"
    & skf21("4","4","6","3","7","2","4","1") = "6"
    & skf21("4","4","6","3","7","2","5","1") = "6"
    & skf21("4","4","6","3","7","2","6","1") = "6"
    & skf21("4","4","6","3","7","2","7","1") = "6"
    & skf21("4","4","6","3","7","3","1","1") = "6"
    & skf21("4","4","6","3","7","3","2","1") = "6"
    & skf21("4","4","6","3","7","3","3","1") = "6"
    & skf21("4","4","6","3","7","3","4","1") = "6"
    & skf21("4","4","6","3","7","3","5","1") = "6"
    & skf21("4","4","6","3","7","3","6","1") = "6"
    & skf21("4","4","6","3","7","3","7","1") = "6"
    & skf21("4","4","6","3","7","4","1","1") = "6"
    & skf21("4","4","6","3","7","4","2","1") = "6"
    & skf21("4","4","6","3","7","4","3","1") = "6"
    & skf21("4","4","6","3","7","4","4","1") = "6"
    & skf21("4","4","6","3","7","4","5","1") = "6"
    & skf21("4","4","6","3","7","4","6","1") = "6"
    & skf21("4","4","6","3","7","4","7","1") = "6"
    & skf21("4","4","6","3","7","5","1","1") = "6"
    & skf21("4","4","6","3","7","5","2","1") = "6"
    & skf21("4","4","6","3","7","5","3","1") = "6"
    & skf21("4","4","6","3","7","5","4","1") = "6"
    & skf21("4","4","6","3","7","5","5","1") = "6"
    & skf21("4","4","6","3","7","5","6","1") = "6"
    & skf21("4","4","6","3","7","5","7","1") = "6"
    & skf21("4","4","6","3","7","6","1","1") = "6"
    & skf21("4","4","6","3","7","6","2","1") = "6"
    & skf21("4","4","6","3","7","6","3","1") = "6"
    & skf21("4","4","6","3","7","6","4","1") = "6"
    & skf21("4","4","6","3","7","6","5","1") = "6"
    & skf21("4","4","6","3","7","6","6","1") = "6"
    & skf21("4","4","6","3","7","6","7","1") = "6"
    & skf21("4","4","6","3","7","7","1","1") = "6"
    & skf21("4","4","6","3","7","7","2","1") = "6"
    & skf21("4","4","6","3","7","7","3","1") = "6"
    & skf21("4","4","6","3","7","7","4","1") = "6"
    & skf21("4","4","6","3","7","7","5","1") = "6"
    & skf21("4","4","6","3","7","7","6","1") = "6"
    & skf21("4","4","6","3","7","7","7","1") = "6"
    & skf21("4","4","6","4","1","1","1","1") = "5"
    & skf21("4","4","6","4","1","1","2","1") = "5"
    & skf21("4","4","6","4","1","1","3","1") = "5"
    & skf21("4","4","6","4","1","1","4","1") = "5"
    & skf21("4","4","6","4","1","1","5","1") = "5"
    & skf21("4","4","6","4","1","1","6","1") = "5"
    & skf21("4","4","6","4","1","1","7","1") = "6"
    & skf21("4","4","6","4","1","2","1","1") = "5"
    & skf21("4","4","6","4","1","2","2","1") = "5"
    & skf21("4","4","6","4","1","2","3","1") = "5"
    & skf21("4","4","6","4","1","2","4","1") = "5"
    & skf21("4","4","6","4","1","2","5","1") = "5"
    & skf21("4","4","6","4","1","2","6","1") = "5"
    & skf21("4","4","6","4","1","2","7","1") = "6"
    & skf21("4","4","6","4","1","3","1","1") = "5"
    & skf21("4","4","6","4","1","3","2","1") = "5"
    & skf21("4","4","6","4","1","3","3","1") = "5"
    & skf21("4","4","6","4","1","3","4","1") = "5"
    & skf21("4","4","6","4","1","3","5","1") = "5"
    & skf21("4","4","6","4","1","3","6","1") = "5"
    & skf21("4","4","6","4","1","3","7","1") = "6"
    & skf21("4","4","6","4","1","4","1","1") = "5"
    & skf21("4","4","6","4","1","4","2","1") = "5"
    & skf21("4","4","6","4","1","4","3","1") = "5"
    & skf21("4","4","6","4","1","4","4","1") = "5"
    & skf21("4","4","6","4","1","4","5","1") = "5"
    & skf21("4","4","6","4","1","4","6","1") = "5"
    & skf21("4","4","6","4","1","4","7","1") = "6"
    & skf21("4","4","6","4","1","5","1","1") = "5"
    & skf21("4","4","6","4","1","5","2","1") = "5"
    & skf21("4","4","6","4","1","5","3","1") = "5"
    & skf21("4","4","6","4","1","5","4","1") = "5"
    & skf21("4","4","6","4","1","5","5","1") = "5"
    & skf21("4","4","6","4","1","5","6","1") = "5"
    & skf21("4","4","6","4","1","5","7","1") = "6"
    & skf21("4","4","6","4","1","6","1","1") = "5"
    & skf21("4","4","6","4","1","6","2","1") = "5"
    & skf21("4","4","6","4","1","6","3","1") = "5"
    & skf21("4","4","6","4","1","6","4","1") = "5"
    & skf21("4","4","6","4","1","6","5","1") = "5"
    & skf21("4","4","6","4","1","6","6","1") = "5"
    & skf21("4","4","6","4","1","6","7","1") = "6"
    & skf21("4","4","6","4","1","7","1","1") = "6"
    & skf21("4","4","6","4","1","7","2","1") = "6"
    & skf21("4","4","6","4","1","7","3","1") = "6"
    & skf21("4","4","6","4","1","7","4","1") = "6"
    & skf21("4","4","6","4","1","7","5","1") = "6"
    & skf21("4","4","6","4","1","7","6","1") = "6"
    & skf21("4","4","6","4","1","7","7","1") = "6"
    & skf21("4","4","6","4","2","1","1","1") = "5"
    & skf21("4","4","6","4","2","1","2","1") = "5"
    & skf21("4","4","6","4","2","1","3","1") = "5"
    & skf21("4","4","6","4","2","1","4","1") = "5"
    & skf21("4","4","6","4","2","1","5","1") = "5"
    & skf21("4","4","6","4","2","1","6","1") = "5"
    & skf21("4","4","6","4","2","1","7","1") = "6"
    & skf21("4","4","6","4","2","2","1","1") = "5"
    & skf21("4","4","6","4","2","2","2","1") = "5"
    & skf21("4","4","6","4","2","2","3","1") = "5"
    & skf21("4","4","6","4","2","2","4","1") = "5"
    & skf21("4","4","6","4","2","2","5","1") = "5"
    & skf21("4","4","6","4","2","2","6","1") = "5"
    & skf21("4","4","6","4","2","2","7","1") = "6"
    & skf21("4","4","6","4","2","3","1","1") = "5"
    & skf21("4","4","6","4","2","3","2","1") = "5"
    & skf21("4","4","6","4","2","3","3","1") = "5"
    & skf21("4","4","6","4","2","3","4","1") = "5"
    & skf21("4","4","6","4","2","3","5","1") = "5"
    & skf21("4","4","6","4","2","3","6","1") = "5"
    & skf21("4","4","6","4","2","3","7","1") = "6"
    & skf21("4","4","6","4","2","4","1","1") = "5"
    & skf21("4","4","6","4","2","4","2","1") = "5"
    & skf21("4","4","6","4","2","4","3","1") = "5"
    & skf21("4","4","6","4","2","4","4","1") = "5"
    & skf21("4","4","6","4","2","4","5","1") = "5"
    & skf21("4","4","6","4","2","4","6","1") = "5"
    & skf21("4","4","6","4","2","4","7","1") = "6"
    & skf21("4","4","6","4","2","5","1","1") = "5"
    & skf21("4","4","6","4","2","5","2","1") = "5"
    & skf21("4","4","6","4","2","5","3","1") = "5"
    & skf21("4","4","6","4","2","5","4","1") = "5"
    & skf21("4","4","6","4","2","5","5","1") = "5"
    & skf21("4","4","6","4","2","5","6","1") = "5"
    & skf21("4","4","6","4","2","5","7","1") = "6"
    & skf21("4","4","6","4","2","6","1","1") = "5"
    & skf21("4","4","6","4","2","6","2","1") = "5"
    & skf21("4","4","6","4","2","6","3","1") = "5"
    & skf21("4","4","6","4","2","6","4","1") = "5"
    & skf21("4","4","6","4","2","6","5","1") = "5"
    & skf21("4","4","6","4","2","6","6","1") = "5"
    & skf21("4","4","6","4","2","6","7","1") = "6"
    & skf21("4","4","6","4","2","7","1","1") = "6"
    & skf21("4","4","6","4","2","7","2","1") = "6"
    & skf21("4","4","6","4","2","7","3","1") = "6"
    & skf21("4","4","6","4","2","7","4","1") = "6"
    & skf21("4","4","6","4","2","7","5","1") = "6"
    & skf21("4","4","6","4","2","7","6","1") = "6"
    & skf21("4","4","6","4","2","7","7","1") = "6"
    & skf21("4","4","6","4","3","1","1","1") = "5"
    & skf21("4","4","6","4","3","1","2","1") = "5"
    & skf21("4","4","6","4","3","1","3","1") = "5"
    & skf21("4","4","6","4","3","1","4","1") = "5"
    & skf21("4","4","6","4","3","1","5","1") = "5"
    & skf21("4","4","6","4","3","1","6","1") = "5"
    & skf21("4","4","6","4","3","1","7","1") = "6"
    & skf21("4","4","6","4","3","2","1","1") = "5"
    & skf21("4","4","6","4","3","2","2","1") = "5"
    & skf21("4","4","6","4","3","2","3","1") = "5"
    & skf21("4","4","6","4","3","2","4","1") = "5"
    & skf21("4","4","6","4","3","2","5","1") = "5"
    & skf21("4","4","6","4","3","2","6","1") = "5"
    & skf21("4","4","6","4","3","2","7","1") = "6"
    & skf21("4","4","6","4","3","3","1","1") = "5"
    & skf21("4","4","6","4","3","3","2","1") = "5"
    & skf21("4","4","6","4","3","3","3","1") = "5"
    & skf21("4","4","6","4","3","3","4","1") = "5"
    & skf21("4","4","6","4","3","3","5","1") = "5"
    & skf21("4","4","6","4","3","3","6","1") = "5"
    & skf21("4","4","6","4","3","3","7","1") = "6"
    & skf21("4","4","6","4","3","4","1","1") = "5"
    & skf21("4","4","6","4","3","4","2","1") = "5"
    & skf21("4","4","6","4","3","4","3","1") = "5"
    & skf21("4","4","6","4","3","4","4","1") = "5"
    & skf21("4","4","6","4","3","4","5","1") = "5"
    & skf21("4","4","6","4","3","4","6","1") = "5"
    & skf21("4","4","6","4","3","4","7","1") = "6"
    & skf21("4","4","6","4","3","5","1","1") = "5"
    & skf21("4","4","6","4","3","5","2","1") = "5"
    & skf21("4","4","6","4","3","5","3","1") = "5"
    & skf21("4","4","6","4","3","5","4","1") = "5"
    & skf21("4","4","6","4","3","5","5","1") = "5"
    & skf21("4","4","6","4","3","5","6","1") = "5"
    & skf21("4","4","6","4","3","5","7","1") = "6"
    & skf21("4","4","6","4","3","6","1","1") = "5"
    & skf21("4","4","6","4","3","6","2","1") = "5"
    & skf21("4","4","6","4","3","6","3","1") = "5"
    & skf21("4","4","6","4","3","6","4","1") = "5"
    & skf21("4","4","6","4","3","6","5","1") = "5"
    & skf21("4","4","6","4","3","6","6","1") = "5"
    & skf21("4","4","6","4","3","6","7","1") = "6"
    & skf21("4","4","6","4","3","7","1","1") = "6"
    & skf21("4","4","6","4","3","7","2","1") = "6"
    & skf21("4","4","6","4","3","7","3","1") = "6"
    & skf21("4","4","6","4","3","7","4","1") = "6"
    & skf21("4","4","6","4","3","7","5","1") = "6"
    & skf21("4","4","6","4","3","7","6","1") = "6"
    & skf21("4","4","6","4","3","7","7","1") = "6"
    & skf21("4","4","6","4","4","1","1","1") = "5"
    & skf21("4","4","6","4","4","1","2","1") = "5"
    & skf21("4","4","6","4","4","1","3","1") = "5"
    & skf21("4","4","6","4","4","1","4","1") = "5"
    & skf21("4","4","6","4","4","1","5","1") = "5"
    & skf21("4","4","6","4","4","1","6","1") = "5"
    & skf21("4","4","6","4","4","1","7","1") = "6"
    & skf21("4","4","6","4","4","2","1","1") = "5"
    & skf21("4","4","6","4","4","2","2","1") = "5"
    & skf21("4","4","6","4","4","2","3","1") = "5"
    & skf21("4","4","6","4","4","2","4","1") = "5"
    & skf21("4","4","6","4","4","2","5","1") = "5"
    & skf21("4","4","6","4","4","2","6","1") = "5"
    & skf21("4","4","6","4","4","2","7","1") = "6"
    & skf21("4","4","6","4","4","3","1","1") = "5"
    & skf21("4","4","6","4","4","3","2","1") = "5"
    & skf21("4","4","6","4","4","3","3","1") = "5"
    & skf21("4","4","6","4","4","3","4","1") = "5"
    & skf21("4","4","6","4","4","3","5","1") = "5"
    & skf21("4","4","6","4","4","3","6","1") = "5"
    & skf21("4","4","6","4","4","3","7","1") = "6"
    & skf21("4","4","6","4","4","4","1","1") = "5"
    & skf21("4","4","6","4","4","4","2","1") = "5"
    & skf21("4","4","6","4","4","4","3","1") = "5"
    & skf21("4","4","6","4","4","4","4","1") = "5"
    & skf21("4","4","6","4","4","4","5","1") = "5"
    & skf21("4","4","6","4","4","4","6","1") = "5"
    & skf21("4","4","6","4","4","4","7","1") = "6"
    & skf21("4","4","6","4","4","5","1","1") = "5"
    & skf21("4","4","6","4","4","5","2","1") = "5"
    & skf21("4","4","6","4","4","5","3","1") = "5"
    & skf21("4","4","6","4","4","5","4","1") = "5"
    & skf21("4","4","6","4","4","5","5","1") = "5"
    & skf21("4","4","6","4","4","5","6","1") = "5"
    & skf21("4","4","6","4","4","5","7","1") = "6"
    & skf21("4","4","6","4","4","6","1","1") = "5"
    & skf21("4","4","6","4","4","6","2","1") = "5"
    & skf21("4","4","6","4","4","6","3","1") = "5"
    & skf21("4","4","6","4","4","6","4","1") = "5"
    & skf21("4","4","6","4","4","6","5","1") = "5"
    & skf21("4","4","6","4","4","6","6","1") = "5"
    & skf21("4","4","6","4","4","6","7","1") = "6"
    & skf21("4","4","6","4","4","7","1","1") = "6"
    & skf21("4","4","6","4","4","7","2","1") = "6"
    & skf21("4","4","6","4","4","7","3","1") = "6"
    & skf21("4","4","6","4","4","7","4","1") = "6"
    & skf21("4","4","6","4","4","7","5","1") = "6"
    & skf21("4","4","6","4","4","7","6","1") = "6"
    & skf21("4","4","6","4","4","7","7","1") = "6"
    & skf21("4","4","6","4","5","1","1","1") = "5"
    & skf21("4","4","6","4","5","1","2","1") = "5"
    & skf21("4","4","6","4","5","1","3","1") = "5"
    & skf21("4","4","6","4","5","1","4","1") = "5"
    & skf21("4","4","6","4","5","1","5","1") = "5"
    & skf21("4","4","6","4","5","1","6","1") = "5"
    & skf21("4","4","6","4","5","1","7","1") = "6"
    & skf21("4","4","6","4","5","2","1","1") = "5"
    & skf21("4","4","6","4","5","2","2","1") = "5"
    & skf21("4","4","6","4","5","2","3","1") = "5"
    & skf21("4","4","6","4","5","2","4","1") = "5"
    & skf21("4","4","6","4","5","2","5","1") = "5"
    & skf21("4","4","6","4","5","2","6","1") = "5"
    & skf21("4","4","6","4","5","2","7","1") = "6"
    & skf21("4","4","6","4","5","3","1","1") = "5"
    & skf21("4","4","6","4","5","3","2","1") = "5"
    & skf21("4","4","6","4","5","3","3","1") = "5"
    & skf21("4","4","6","4","5","3","4","1") = "5"
    & skf21("4","4","6","4","5","3","5","1") = "5"
    & skf21("4","4","6","4","5","3","6","1") = "5"
    & skf21("4","4","6","4","5","3","7","1") = "6"
    & skf21("4","4","6","4","5","4","1","1") = "5"
    & skf21("4","4","6","4","5","4","2","1") = "5"
    & skf21("4","4","6","4","5","4","3","1") = "5"
    & skf21("4","4","6","4","5","4","4","1") = "5"
    & skf21("4","4","6","4","5","4","5","1") = "5"
    & skf21("4","4","6","4","5","4","6","1") = "5"
    & skf21("4","4","6","4","5","4","7","1") = "6"
    & skf21("4","4","6","4","5","5","1","1") = "5"
    & skf21("4","4","6","4","5","5","2","1") = "5"
    & skf21("4","4","6","4","5","5","3","1") = "5"
    & skf21("4","4","6","4","5","5","4","1") = "5"
    & skf21("4","4","6","4","5","5","5","1") = "5"
    & skf21("4","4","6","4","5","5","6","1") = "5"
    & skf21("4","4","6","4","5","5","7","1") = "6"
    & skf21("4","4","6","4","5","6","1","1") = "5"
    & skf21("4","4","6","4","5","6","2","1") = "5"
    & skf21("4","4","6","4","5","6","3","1") = "5"
    & skf21("4","4","6","4","5","6","4","1") = "5"
    & skf21("4","4","6","4","5","6","5","1") = "5"
    & skf21("4","4","6","4","5","6","6","1") = "5"
    & skf21("4","4","6","4","5","6","7","1") = "6"
    & skf21("4","4","6","4","5","7","1","1") = "6"
    & skf21("4","4","6","4","5","7","2","1") = "6"
    & skf21("4","4","6","4","5","7","3","1") = "6"
    & skf21("4","4","6","4","5","7","4","1") = "6"
    & skf21("4","4","6","4","5","7","5","1") = "6"
    & skf21("4","4","6","4","5","7","6","1") = "6"
    & skf21("4","4","6","4","5","7","7","1") = "6"
    & skf21("4","4","6","4","6","1","1","1") = "5"
    & skf21("4","4","6","4","6","1","2","1") = "5"
    & skf21("4","4","6","4","6","1","3","1") = "5"
    & skf21("4","4","6","4","6","1","4","1") = "5"
    & skf21("4","4","6","4","6","1","5","1") = "5"
    & skf21("4","4","6","4","6","1","6","1") = "5"
    & skf21("4","4","6","4","6","1","7","1") = "6"
    & skf21("4","4","6","4","6","2","1","1") = "5"
    & skf21("4","4","6","4","6","2","2","1") = "5"
    & skf21("4","4","6","4","6","2","3","1") = "5"
    & skf21("4","4","6","4","6","2","4","1") = "5"
    & skf21("4","4","6","4","6","2","5","1") = "5"
    & skf21("4","4","6","4","6","2","6","1") = "5"
    & skf21("4","4","6","4","6","2","7","1") = "6"
    & skf21("4","4","6","4","6","3","1","1") = "5"
    & skf21("4","4","6","4","6","3","2","1") = "5"
    & skf21("4","4","6","4","6","3","3","1") = "5"
    & skf21("4","4","6","4","6","3","4","1") = "5"
    & skf21("4","4","6","4","6","3","5","1") = "5"
    & skf21("4","4","6","4","6","3","6","1") = "5"
    & skf21("4","4","6","4","6","3","7","1") = "6"
    & skf21("4","4","6","4","6","4","1","1") = "5"
    & skf21("4","4","6","4","6","4","2","1") = "5"
    & skf21("4","4","6","4","6","4","3","1") = "5"
    & skf21("4","4","6","4","6","4","4","1") = "5"
    & skf21("4","4","6","4","6","4","5","1") = "5"
    & skf21("4","4","6","4","6","4","6","1") = "5"
    & skf21("4","4","6","4","6","4","7","1") = "6"
    & skf21("4","4","6","4","6","5","1","1") = "5"
    & skf21("4","4","6","4","6","5","2","1") = "5"
    & skf21("4","4","6","4","6","5","3","1") = "5"
    & skf21("4","4","6","4","6","5","4","1") = "5"
    & skf21("4","4","6","4","6","5","5","1") = "5"
    & skf21("4","4","6","4","6","5","6","1") = "5"
    & skf21("4","4","6","4","6","5","7","1") = "6"
    & skf21("4","4","6","4","6","6","1","1") = "5"
    & skf21("4","4","6","4","6","6","2","1") = "5"
    & skf21("4","4","6","4","6","6","3","1") = "5"
    & skf21("4","4","6","4","6","6","4","1") = "5"
    & skf21("4","4","6","4","6","6","5","1") = "5"
    & skf21("4","4","6","4","6","6","6","1") = "5"
    & skf21("4","4","6","4","6","6","7","1") = "6"
    & skf21("4","4","6","4","6","7","1","1") = "6"
    & skf21("4","4","6","4","6","7","2","1") = "6"
    & skf21("4","4","6","4","6","7","3","1") = "6"
    & skf21("4","4","6","4","6","7","4","1") = "6"
    & skf21("4","4","6","4","6","7","5","1") = "6"
    & skf21("4","4","6","4","6","7","6","1") = "6"
    & skf21("4","4","6","4","6","7","7","1") = "6"
    & skf21("4","4","6","4","7","1","1","1") = "6"
    & skf21("4","4","6","4","7","1","2","1") = "6"
    & skf21("4","4","6","4","7","1","3","1") = "6"
    & skf21("4","4","6","4","7","1","4","1") = "6"
    & skf21("4","4","6","4","7","1","5","1") = "6"
    & skf21("4","4","6","4","7","1","6","1") = "6"
    & skf21("4","4","6","4","7","1","7","1") = "6"
    & skf21("4","4","6","4","7","2","1","1") = "6"
    & skf21("4","4","6","4","7","2","2","1") = "6"
    & skf21("4","4","6","4","7","2","3","1") = "6"
    & skf21("4","4","6","4","7","2","4","1") = "6"
    & skf21("4","4","6","4","7","2","5","1") = "6"
    & skf21("4","4","6","4","7","2","6","1") = "6"
    & skf21("4","4","6","4","7","2","7","1") = "6"
    & skf21("4","4","6","4","7","3","1","1") = "6"
    & skf21("4","4","6","4","7","3","2","1") = "6"
    & skf21("4","4","6","4","7","3","3","1") = "6"
    & skf21("4","4","6","4","7","3","4","1") = "6"
    & skf21("4","4","6","4","7","3","5","1") = "6"
    & skf21("4","4","6","4","7","3","6","1") = "6"
    & skf21("4","4","6","4","7","3","7","1") = "6"
    & skf21("4","4","6","4","7","4","1","1") = "6"
    & skf21("4","4","6","4","7","4","2","1") = "6"
    & skf21("4","4","6","4","7","4","3","1") = "6"
    & skf21("4","4","6","4","7","4","4","1") = "6"
    & skf21("4","4","6","4","7","4","5","1") = "6"
    & skf21("4","4","6","4","7","4","6","1") = "6"
    & skf21("4","4","6","4","7","4","7","1") = "6"
    & skf21("4","4","6","4","7","5","1","1") = "6"
    & skf21("4","4","6","4","7","5","2","1") = "6"
    & skf21("4","4","6","4","7","5","3","1") = "6"
    & skf21("4","4","6","4","7","5","4","1") = "6"
    & skf21("4","4","6","4","7","5","5","1") = "6"
    & skf21("4","4","6","4","7","5","6","1") = "6"
    & skf21("4","4","6","4","7","5","7","1") = "6"
    & skf21("4","4","6","4","7","6","1","1") = "6"
    & skf21("4","4","6","4","7","6","2","1") = "6"
    & skf21("4","4","6","4","7","6","3","1") = "6"
    & skf21("4","4","6","4","7","6","4","1") = "6"
    & skf21("4","4","6","4","7","6","5","1") = "6"
    & skf21("4","4","6","4","7","6","6","1") = "6"
    & skf21("4","4","6","4","7","6","7","1") = "6"
    & skf21("4","4","6","4","7","7","1","1") = "6"
    & skf21("4","4","6","4","7","7","2","1") = "6"
    & skf21("4","4","6","4","7","7","3","1") = "6"
    & skf21("4","4","6","4","7","7","4","1") = "6"
    & skf21("4","4","6","4","7","7","5","1") = "6"
    & skf21("4","4","6","4","7","7","6","1") = "6"
    & skf21("4","4","6","4","7","7","7","1") = "6"
    & skf21("4","4","6","5","1","1","1","1") = "5"
    & skf21("4","4","6","5","1","1","2","1") = "5"
    & skf21("4","4","6","5","1","1","3","1") = "5"
    & skf21("4","4","6","5","1","1","4","1") = "5"
    & skf21("4","4","6","5","1","1","5","1") = "5"
    & skf21("4","4","6","5","1","1","6","1") = "5"
    & skf21("4","4","6","5","1","1","7","1") = "6"
    & skf21("4","4","6","5","1","2","1","1") = "5"
    & skf21("4","4","6","5","1","2","2","1") = "5"
    & skf21("4","4","6","5","1","2","3","1") = "5"
    & skf21("4","4","6","5","1","2","4","1") = "5"
    & skf21("4","4","6","5","1","2","5","1") = "5"
    & skf21("4","4","6","5","1","2","6","1") = "5"
    & skf21("4","4","6","5","1","2","7","1") = "6"
    & skf21("4","4","6","5","1","3","1","1") = "5"
    & skf21("4","4","6","5","1","3","2","1") = "5"
    & skf21("4","4","6","5","1","3","3","1") = "5"
    & skf21("4","4","6","5","1","3","4","1") = "5"
    & skf21("4","4","6","5","1","3","5","1") = "5"
    & skf21("4","4","6","5","1","3","6","1") = "5"
    & skf21("4","4","6","5","1","3","7","1") = "6"
    & skf21("4","4","6","5","1","4","1","1") = "5"
    & skf21("4","4","6","5","1","4","2","1") = "5"
    & skf21("4","4","6","5","1","4","3","1") = "5"
    & skf21("4","4","6","5","1","4","4","1") = "5"
    & skf21("4","4","6","5","1","4","5","1") = "5"
    & skf21("4","4","6","5","1","4","6","1") = "5"
    & skf21("4","4","6","5","1","4","7","1") = "6"
    & skf21("4","4","6","5","1","5","1","1") = "5"
    & skf21("4","4","6","5","1","5","2","1") = "5"
    & skf21("4","4","6","5","1","5","3","1") = "5"
    & skf21("4","4","6","5","1","5","4","1") = "5"
    & skf21("4","4","6","5","1","5","5","1") = "5"
    & skf21("4","4","6","5","1","5","6","1") = "5"
    & skf21("4","4","6","5","1","5","7","1") = "6"
    & skf21("4","4","6","5","1","6","1","1") = "5"
    & skf21("4","4","6","5","1","6","2","1") = "5"
    & skf21("4","4","6","5","1","6","3","1") = "5"
    & skf21("4","4","6","5","1","6","4","1") = "5"
    & skf21("4","4","6","5","1","6","5","1") = "5"
    & skf21("4","4","6","5","1","6","6","1") = "5"
    & skf21("4","4","6","5","1","6","7","1") = "6"
    & skf21("4","4","6","5","1","7","1","1") = "6"
    & skf21("4","4","6","5","1","7","2","1") = "6"
    & skf21("4","4","6","5","1","7","3","1") = "6"
    & skf21("4","4","6","5","1","7","4","1") = "6"
    & skf21("4","4","6","5","1","7","5","1") = "6"
    & skf21("4","4","6","5","1","7","6","1") = "6"
    & skf21("4","4","6","5","1","7","7","1") = "6"
    & skf21("4","4","6","5","2","1","1","1") = "5"
    & skf21("4","4","6","5","2","1","2","1") = "5"
    & skf21("4","4","6","5","2","1","3","1") = "5"
    & skf21("4","4","6","5","2","1","4","1") = "5"
    & skf21("4","4","6","5","2","1","5","1") = "5"
    & skf21("4","4","6","5","2","1","6","1") = "5"
    & skf21("4","4","6","5","2","1","7","1") = "6"
    & skf21("4","4","6","5","2","2","1","1") = "5"
    & skf21("4","4","6","5","2","2","2","1") = "5"
    & skf21("4","4","6","5","2","2","3","1") = "5"
    & skf21("4","4","6","5","2","2","4","1") = "5"
    & skf21("4","4","6","5","2","2","5","1") = "5"
    & skf21("4","4","6","5","2","2","6","1") = "5"
    & skf21("4","4","6","5","2","2","7","1") = "6"
    & skf21("4","4","6","5","2","3","1","1") = "5"
    & skf21("4","4","6","5","2","3","2","1") = "5"
    & skf21("4","4","6","5","2","3","3","1") = "5"
    & skf21("4","4","6","5","2","3","4","1") = "5"
    & skf21("4","4","6","5","2","3","5","1") = "5"
    & skf21("4","4","6","5","2","3","6","1") = "5"
    & skf21("4","4","6","5","2","3","7","1") = "6"
    & skf21("4","4","6","5","2","4","1","1") = "5"
    & skf21("4","4","6","5","2","4","2","1") = "5"
    & skf21("4","4","6","5","2","4","3","1") = "5"
    & skf21("4","4","6","5","2","4","4","1") = "5"
    & skf21("4","4","6","5","2","4","5","1") = "5"
    & skf21("4","4","6","5","2","4","6","1") = "5"
    & skf21("4","4","6","5","2","4","7","1") = "6"
    & skf21("4","4","6","5","2","5","1","1") = "5"
    & skf21("4","4","6","5","2","5","2","1") = "5"
    & skf21("4","4","6","5","2","5","3","1") = "5"
    & skf21("4","4","6","5","2","5","4","1") = "5"
    & skf21("4","4","6","5","2","5","5","1") = "5"
    & skf21("4","4","6","5","2","5","6","1") = "5"
    & skf21("4","4","6","5","2","5","7","1") = "6"
    & skf21("4","4","6","5","2","6","1","1") = "5"
    & skf21("4","4","6","5","2","6","2","1") = "5"
    & skf21("4","4","6","5","2","6","3","1") = "5"
    & skf21("4","4","6","5","2","6","4","1") = "5"
    & skf21("4","4","6","5","2","6","5","1") = "5"
    & skf21("4","4","6","5","2","6","6","1") = "5"
    & skf21("4","4","6","5","2","6","7","1") = "6"
    & skf21("4","4","6","5","2","7","1","1") = "6"
    & skf21("4","4","6","5","2","7","2","1") = "6"
    & skf21("4","4","6","5","2","7","3","1") = "6"
    & skf21("4","4","6","5","2","7","4","1") = "6"
    & skf21("4","4","6","5","2","7","5","1") = "6"
    & skf21("4","4","6","5","2","7","6","1") = "6"
    & skf21("4","4","6","5","2","7","7","1") = "6"
    & skf21("4","4","6","5","3","1","1","1") = "5"
    & skf21("4","4","6","5","3","1","2","1") = "5"
    & skf21("4","4","6","5","3","1","3","1") = "5"
    & skf21("4","4","6","5","3","1","4","1") = "5"
    & skf21("4","4","6","5","3","1","5","1") = "5"
    & skf21("4","4","6","5","3","1","6","1") = "5"
    & skf21("4","4","6","5","3","1","7","1") = "6"
    & skf21("4","4","6","5","3","2","1","1") = "5"
    & skf21("4","4","6","5","3","2","2","1") = "5"
    & skf21("4","4","6","5","3","2","3","1") = "5"
    & skf21("4","4","6","5","3","2","4","1") = "5"
    & skf21("4","4","6","5","3","2","5","1") = "5"
    & skf21("4","4","6","5","3","2","6","1") = "5"
    & skf21("4","4","6","5","3","2","7","1") = "6"
    & skf21("4","4","6","5","3","3","1","1") = "5"
    & skf21("4","4","6","5","3","3","2","1") = "5"
    & skf21("4","4","6","5","3","3","3","1") = "5"
    & skf21("4","4","6","5","3","3","4","1") = "5"
    & skf21("4","4","6","5","3","3","5","1") = "5"
    & skf21("4","4","6","5","3","3","6","1") = "5"
    & skf21("4","4","6","5","3","3","7","1") = "6"
    & skf21("4","4","6","5","3","4","1","1") = "5"
    & skf21("4","4","6","5","3","4","2","1") = "5"
    & skf21("4","4","6","5","3","4","3","1") = "5"
    & skf21("4","4","6","5","3","4","4","1") = "5"
    & skf21("4","4","6","5","3","4","5","1") = "5"
    & skf21("4","4","6","5","3","4","6","1") = "5"
    & skf21("4","4","6","5","3","4","7","1") = "6"
    & skf21("4","4","6","5","3","5","1","1") = "5"
    & skf21("4","4","6","5","3","5","2","1") = "5"
    & skf21("4","4","6","5","3","5","3","1") = "5"
    & skf21("4","4","6","5","3","5","4","1") = "5"
    & skf21("4","4","6","5","3","5","5","1") = "5"
    & skf21("4","4","6","5","3","5","6","1") = "5"
    & skf21("4","4","6","5","3","5","7","1") = "6"
    & skf21("4","4","6","5","3","6","1","1") = "5"
    & skf21("4","4","6","5","3","6","2","1") = "5"
    & skf21("4","4","6","5","3","6","3","1") = "5"
    & skf21("4","4","6","5","3","6","4","1") = "5"
    & skf21("4","4","6","5","3","6","5","1") = "5"
    & skf21("4","4","6","5","3","6","6","1") = "5"
    & skf21("4","4","6","5","3","6","7","1") = "6"
    & skf21("4","4","6","5","3","7","1","1") = "6"
    & skf21("4","4","6","5","3","7","2","1") = "6"
    & skf21("4","4","6","5","3","7","3","1") = "6"
    & skf21("4","4","6","5","3","7","4","1") = "6"
    & skf21("4","4","6","5","3","7","5","1") = "6"
    & skf21("4","4","6","5","3","7","6","1") = "6"
    & skf21("4","4","6","5","3","7","7","1") = "6"
    & skf21("4","4","6","5","4","1","1","1") = "5"
    & skf21("4","4","6","5","4","1","2","1") = "5"
    & skf21("4","4","6","5","4","1","3","1") = "5"
    & skf21("4","4","6","5","4","1","4","1") = "5"
    & skf21("4","4","6","5","4","1","5","1") = "5"
    & skf21("4","4","6","5","4","1","6","1") = "5"
    & skf21("4","4","6","5","4","1","7","1") = "6"
    & skf21("4","4","6","5","4","2","1","1") = "5"
    & skf21("4","4","6","5","4","2","2","1") = "5"
    & skf21("4","4","6","5","4","2","3","1") = "5"
    & skf21("4","4","6","5","4","2","4","1") = "5"
    & skf21("4","4","6","5","4","2","5","1") = "5"
    & skf21("4","4","6","5","4","2","6","1") = "5"
    & skf21("4","4","6","5","4","2","7","1") = "6"
    & skf21("4","4","6","5","4","3","1","1") = "5"
    & skf21("4","4","6","5","4","3","2","1") = "5"
    & skf21("4","4","6","5","4","3","3","1") = "5"
    & skf21("4","4","6","5","4","3","4","1") = "5"
    & skf21("4","4","6","5","4","3","5","1") = "5"
    & skf21("4","4","6","5","4","3","6","1") = "5"
    & skf21("4","4","6","5","4","3","7","1") = "6"
    & skf21("4","4","6","5","4","4","1","1") = "5"
    & skf21("4","4","6","5","4","4","2","1") = "5"
    & skf21("4","4","6","5","4","4","3","1") = "5"
    & skf21("4","4","6","5","4","4","4","1") = "5"
    & skf21("4","4","6","5","4","4","5","1") = "5"
    & skf21("4","4","6","5","4","4","6","1") = "5"
    & skf21("4","4","6","5","4","4","7","1") = "6"
    & skf21("4","4","6","5","4","5","1","1") = "5"
    & skf21("4","4","6","5","4","5","2","1") = "5"
    & skf21("4","4","6","5","4","5","3","1") = "5"
    & skf21("4","4","6","5","4","5","4","1") = "5"
    & skf21("4","4","6","5","4","5","5","1") = "5"
    & skf21("4","4","6","5","4","5","6","1") = "5"
    & skf21("4","4","6","5","4","5","7","1") = "6"
    & skf21("4","4","6","5","4","6","1","1") = "5"
    & skf21("4","4","6","5","4","6","2","1") = "5"
    & skf21("4","4","6","5","4","6","3","1") = "5"
    & skf21("4","4","6","5","4","6","4","1") = "5"
    & skf21("4","4","6","5","4","6","5","1") = "5"
    & skf21("4","4","6","5","4","6","6","1") = "5"
    & skf21("4","4","6","5","4","6","7","1") = "6"
    & skf21("4","4","6","5","4","7","1","1") = "6"
    & skf21("4","4","6","5","4","7","2","1") = "6"
    & skf21("4","4","6","5","4","7","3","1") = "6"
    & skf21("4","4","6","5","4","7","4","1") = "6"
    & skf21("4","4","6","5","4","7","5","1") = "6"
    & skf21("4","4","6","5","4","7","6","1") = "6"
    & skf21("4","4","6","5","4","7","7","1") = "6"
    & skf21("4","4","6","5","5","1","1","1") = "5"
    & skf21("4","4","6","5","5","1","2","1") = "5"
    & skf21("4","4","6","5","5","1","3","1") = "5"
    & skf21("4","4","6","5","5","1","4","1") = "5"
    & skf21("4","4","6","5","5","1","5","1") = "5"
    & skf21("4","4","6","5","5","1","6","1") = "5"
    & skf21("4","4","6","5","5","1","7","1") = "6"
    & skf21("4","4","6","5","5","2","1","1") = "5"
    & skf21("4","4","6","5","5","2","2","1") = "5"
    & skf21("4","4","6","5","5","2","3","1") = "5"
    & skf21("4","4","6","5","5","2","4","1") = "5"
    & skf21("4","4","6","5","5","2","5","1") = "5"
    & skf21("4","4","6","5","5","2","6","1") = "5"
    & skf21("4","4","6","5","5","2","7","1") = "6"
    & skf21("4","4","6","5","5","3","1","1") = "5"
    & skf21("4","4","6","5","5","3","2","1") = "5"
    & skf21("4","4","6","5","5","3","3","1") = "5"
    & skf21("4","4","6","5","5","3","4","1") = "5"
    & skf21("4","4","6","5","5","3","5","1") = "5"
    & skf21("4","4","6","5","5","3","6","1") = "5"
    & skf21("4","4","6","5","5","3","7","1") = "6"
    & skf21("4","4","6","5","5","4","1","1") = "5"
    & skf21("4","4","6","5","5","4","2","1") = "5"
    & skf21("4","4","6","5","5","4","3","1") = "5"
    & skf21("4","4","6","5","5","4","4","1") = "5"
    & skf21("4","4","6","5","5","4","5","1") = "5"
    & skf21("4","4","6","5","5","4","6","1") = "5"
    & skf21("4","4","6","5","5","4","7","1") = "6"
    & skf21("4","4","6","5","5","5","1","1") = "5"
    & skf21("4","4","6","5","5","5","2","1") = "5"
    & skf21("4","4","6","5","5","5","3","1") = "5"
    & skf21("4","4","6","5","5","5","4","1") = "5"
    & skf21("4","4","6","5","5","5","5","1") = "5"
    & skf21("4","4","6","5","5","5","6","1") = "5"
    & skf21("4","4","6","5","5","5","7","1") = "6"
    & skf21("4","4","6","5","5","6","1","1") = "5"
    & skf21("4","4","6","5","5","6","2","1") = "5"
    & skf21("4","4","6","5","5","6","3","1") = "5"
    & skf21("4","4","6","5","5","6","4","1") = "5"
    & skf21("4","4","6","5","5","6","5","1") = "5"
    & skf21("4","4","6","5","5","6","6","1") = "5"
    & skf21("4","4","6","5","5","6","7","1") = "6"
    & skf21("4","4","6","5","5","7","1","1") = "6"
    & skf21("4","4","6","5","5","7","2","1") = "6"
    & skf21("4","4","6","5","5","7","3","1") = "6"
    & skf21("4","4","6","5","5","7","4","1") = "6"
    & skf21("4","4","6","5","5","7","5","1") = "6"
    & skf21("4","4","6","5","5","7","6","1") = "6"
    & skf21("4","4","6","5","5","7","7","1") = "6"
    & skf21("4","4","6","5","6","1","1","1") = "5"
    & skf21("4","4","6","5","6","1","2","1") = "5"
    & skf21("4","4","6","5","6","1","3","1") = "5"
    & skf21("4","4","6","5","6","1","4","1") = "5"
    & skf21("4","4","6","5","6","1","5","1") = "5"
    & skf21("4","4","6","5","6","1","6","1") = "5"
    & skf21("4","4","6","5","6","1","7","1") = "6"
    & skf21("4","4","6","5","6","2","1","1") = "5"
    & skf21("4","4","6","5","6","2","2","1") = "5"
    & skf21("4","4","6","5","6","2","3","1") = "5"
    & skf21("4","4","6","5","6","2","4","1") = "5"
    & skf21("4","4","6","5","6","2","5","1") = "5"
    & skf21("4","4","6","5","6","2","6","1") = "5"
    & skf21("4","4","6","5","6","2","7","1") = "6"
    & skf21("4","4","6","5","6","3","1","1") = "5"
    & skf21("4","4","6","5","6","3","2","1") = "5"
    & skf21("4","4","6","5","6","3","3","1") = "5"
    & skf21("4","4","6","5","6","3","4","1") = "5"
    & skf21("4","4","6","5","6","3","5","1") = "5"
    & skf21("4","4","6","5","6","3","6","1") = "5"
    & skf21("4","4","6","5","6","3","7","1") = "6"
    & skf21("4","4","6","5","6","4","1","1") = "5"
    & skf21("4","4","6","5","6","4","2","1") = "5"
    & skf21("4","4","6","5","6","4","3","1") = "5"
    & skf21("4","4","6","5","6","4","4","1") = "5"
    & skf21("4","4","6","5","6","4","5","1") = "5"
    & skf21("4","4","6","5","6","4","6","1") = "5"
    & skf21("4","4","6","5","6","4","7","1") = "6"
    & skf21("4","4","6","5","6","5","1","1") = "5"
    & skf21("4","4","6","5","6","5","2","1") = "5"
    & skf21("4","4","6","5","6","5","3","1") = "5"
    & skf21("4","4","6","5","6","5","4","1") = "5"
    & skf21("4","4","6","5","6","5","5","1") = "5"
    & skf21("4","4","6","5","6","5","6","1") = "5"
    & skf21("4","4","6","5","6","5","7","1") = "6"
    & skf21("4","4","6","5","6","6","1","1") = "5"
    & skf21("4","4","6","5","6","6","2","1") = "5"
    & skf21("4","4","6","5","6","6","3","1") = "5"
    & skf21("4","4","6","5","6","6","4","1") = "5"
    & skf21("4","4","6","5","6","6","5","1") = "5"
    & skf21("4","4","6","5","6","6","6","1") = "5"
    & skf21("4","4","6","5","6","6","7","1") = "6"
    & skf21("4","4","6","5","6","7","1","1") = "6"
    & skf21("4","4","6","5","6","7","2","1") = "6"
    & skf21("4","4","6","5","6","7","3","1") = "6"
    & skf21("4","4","6","5","6","7","4","1") = "6"
    & skf21("4","4","6","5","6","7","5","1") = "6"
    & skf21("4","4","6","5","6","7","6","1") = "6"
    & skf21("4","4","6","5","6","7","7","1") = "6"
    & skf21("4","4","6","5","7","1","1","1") = "6"
    & skf21("4","4","6","5","7","1","2","1") = "6"
    & skf21("4","4","6","5","7","1","3","1") = "6"
    & skf21("4","4","6","5","7","1","4","1") = "6"
    & skf21("4","4","6","5","7","1","5","1") = "6"
    & skf21("4","4","6","5","7","1","6","1") = "6"
    & skf21("4","4","6","5","7","1","7","1") = "6"
    & skf21("4","4","6","5","7","2","1","1") = "6"
    & skf21("4","4","6","5","7","2","2","1") = "6"
    & skf21("4","4","6","5","7","2","3","1") = "6"
    & skf21("4","4","6","5","7","2","4","1") = "6"
    & skf21("4","4","6","5","7","2","5","1") = "6"
    & skf21("4","4","6","5","7","2","6","1") = "6"
    & skf21("4","4","6","5","7","2","7","1") = "6"
    & skf21("4","4","6","5","7","3","1","1") = "6"
    & skf21("4","4","6","5","7","3","2","1") = "6"
    & skf21("4","4","6","5","7","3","3","1") = "6"
    & skf21("4","4","6","5","7","3","4","1") = "6"
    & skf21("4","4","6","5","7","3","5","1") = "6"
    & skf21("4","4","6","5","7","3","6","1") = "6"
    & skf21("4","4","6","5","7","3","7","1") = "6"
    & skf21("4","4","6","5","7","4","1","1") = "6"
    & skf21("4","4","6","5","7","4","2","1") = "6"
    & skf21("4","4","6","5","7","4","3","1") = "6"
    & skf21("4","4","6","5","7","4","4","1") = "6"
    & skf21("4","4","6","5","7","4","5","1") = "6"
    & skf21("4","4","6","5","7","4","6","1") = "6"
    & skf21("4","4","6","5","7","4","7","1") = "6"
    & skf21("4","4","6","5","7","5","1","1") = "6"
    & skf21("4","4","6","5","7","5","2","1") = "6"
    & skf21("4","4","6","5","7","5","3","1") = "6"
    & skf21("4","4","6","5","7","5","4","1") = "6"
    & skf21("4","4","6","5","7","5","5","1") = "6"
    & skf21("4","4","6","5","7","5","6","1") = "6"
    & skf21("4","4","6","5","7","5","7","1") = "6"
    & skf21("4","4","6","5","7","6","1","1") = "6"
    & skf21("4","4","6","5","7","6","2","1") = "6"
    & skf21("4","4","6","5","7","6","3","1") = "6"
    & skf21("4","4","6","5","7","6","4","1") = "6"
    & skf21("4","4","6","5","7","6","5","1") = "6"
    & skf21("4","4","6","5","7","6","6","1") = "6"
    & skf21("4","4","6","5","7","6","7","1") = "6"
    & skf21("4","4","6","5","7","7","1","1") = "6"
    & skf21("4","4","6","5","7","7","2","1") = "6"
    & skf21("4","4","6","5","7","7","3","1") = "6"
    & skf21("4","4","6","5","7","7","4","1") = "6"
    & skf21("4","4","6","5","7","7","5","1") = "6"
    & skf21("4","4","6","5","7","7","6","1") = "6"
    & skf21("4","4","6","5","7","7","7","1") = "6"
    & skf21("4","4","6","6","1","1","1","1") = "5"
    & skf21("4","4","6","6","1","1","2","1") = "5"
    & skf21("4","4","6","6","1","1","3","1") = "5"
    & skf21("4","4","6","6","1","1","4","1") = "5"
    & skf21("4","4","6","6","1","1","5","1") = "5"
    & skf21("4","4","6","6","1","1","6","1") = "5"
    & skf21("4","4","6","6","1","1","7","1") = "6"
    & skf21("4","4","6","6","1","2","1","1") = "5"
    & skf21("4","4","6","6","1","2","2","1") = "5"
    & skf21("4","4","6","6","1","2","3","1") = "5"
    & skf21("4","4","6","6","1","2","4","1") = "5"
    & skf21("4","4","6","6","1","2","5","1") = "5"
    & skf21("4","4","6","6","1","2","6","1") = "5"
    & skf21("4","4","6","6","1","2","7","1") = "6"
    & skf21("4","4","6","6","1","3","1","1") = "5"
    & skf21("4","4","6","6","1","3","2","1") = "5"
    & skf21("4","4","6","6","1","3","3","1") = "5"
    & skf21("4","4","6","6","1","3","4","1") = "5"
    & skf21("4","4","6","6","1","3","5","1") = "5"
    & skf21("4","4","6","6","1","3","6","1") = "5"
    & skf21("4","4","6","6","1","3","7","1") = "6"
    & skf21("4","4","6","6","1","4","1","1") = "5"
    & skf21("4","4","6","6","1","4","2","1") = "5"
    & skf21("4","4","6","6","1","4","3","1") = "5"
    & skf21("4","4","6","6","1","4","4","1") = "5"
    & skf21("4","4","6","6","1","4","5","1") = "5"
    & skf21("4","4","6","6","1","4","6","1") = "5"
    & skf21("4","4","6","6","1","4","7","1") = "6"
    & skf21("4","4","6","6","1","5","1","1") = "5"
    & skf21("4","4","6","6","1","5","2","1") = "5"
    & skf21("4","4","6","6","1","5","3","1") = "5"
    & skf21("4","4","6","6","1","5","4","1") = "5"
    & skf21("4","4","6","6","1","5","5","1") = "5"
    & skf21("4","4","6","6","1","5","6","1") = "5"
    & skf21("4","4","6","6","1","5","7","1") = "6"
    & skf21("4","4","6","6","1","6","1","1") = "5"
    & skf21("4","4","6","6","1","6","2","1") = "5"
    & skf21("4","4","6","6","1","6","3","1") = "5"
    & skf21("4","4","6","6","1","6","4","1") = "5"
    & skf21("4","4","6","6","1","6","5","1") = "5"
    & skf21("4","4","6","6","1","6","6","1") = "5"
    & skf21("4","4","6","6","1","6","7","1") = "6"
    & skf21("4","4","6","6","1","7","1","1") = "6"
    & skf21("4","4","6","6","1","7","2","1") = "6"
    & skf21("4","4","6","6","1","7","3","1") = "6"
    & skf21("4","4","6","6","1","7","4","1") = "6"
    & skf21("4","4","6","6","1","7","5","1") = "6"
    & skf21("4","4","6","6","1","7","6","1") = "6"
    & skf21("4","4","6","6","1","7","7","1") = "6"
    & skf21("4","4","6","6","2","1","1","1") = "5"
    & skf21("4","4","6","6","2","1","2","1") = "5"
    & skf21("4","4","6","6","2","1","3","1") = "5"
    & skf21("4","4","6","6","2","1","4","1") = "5"
    & skf21("4","4","6","6","2","1","5","1") = "5"
    & skf21("4","4","6","6","2","1","6","1") = "5"
    & skf21("4","4","6","6","2","1","7","1") = "6"
    & skf21("4","4","6","6","2","2","1","1") = "5"
    & skf21("4","4","6","6","2","2","2","1") = "5"
    & skf21("4","4","6","6","2","2","3","1") = "5"
    & skf21("4","4","6","6","2","2","4","1") = "5"
    & skf21("4","4","6","6","2","2","5","1") = "5"
    & skf21("4","4","6","6","2","2","6","1") = "5"
    & skf21("4","4","6","6","2","2","7","1") = "6"
    & skf21("4","4","6","6","2","3","1","1") = "5"
    & skf21("4","4","6","6","2","3","2","1") = "5"
    & skf21("4","4","6","6","2","3","3","1") = "5"
    & skf21("4","4","6","6","2","3","4","1") = "5"
    & skf21("4","4","6","6","2","3","5","1") = "5"
    & skf21("4","4","6","6","2","3","6","1") = "5"
    & skf21("4","4","6","6","2","3","7","1") = "6"
    & skf21("4","4","6","6","2","4","1","1") = "5"
    & skf21("4","4","6","6","2","4","2","1") = "5"
    & skf21("4","4","6","6","2","4","3","1") = "5"
    & skf21("4","4","6","6","2","4","4","1") = "5"
    & skf21("4","4","6","6","2","4","5","1") = "5"
    & skf21("4","4","6","6","2","4","6","1") = "5"
    & skf21("4","4","6","6","2","4","7","1") = "6"
    & skf21("4","4","6","6","2","5","1","1") = "5"
    & skf21("4","4","6","6","2","5","2","1") = "5"
    & skf21("4","4","6","6","2","5","3","1") = "5"
    & skf21("4","4","6","6","2","5","4","1") = "5"
    & skf21("4","4","6","6","2","5","5","1") = "5"
    & skf21("4","4","6","6","2","5","6","1") = "5"
    & skf21("4","4","6","6","2","5","7","1") = "6"
    & skf21("4","4","6","6","2","6","1","1") = "5"
    & skf21("4","4","6","6","2","6","2","1") = "5"
    & skf21("4","4","6","6","2","6","3","1") = "5"
    & skf21("4","4","6","6","2","6","4","1") = "5"
    & skf21("4","4","6","6","2","6","5","1") = "5"
    & skf21("4","4","6","6","2","6","6","1") = "5"
    & skf21("4","4","6","6","2","6","7","1") = "6"
    & skf21("4","4","6","6","2","7","1","1") = "6"
    & skf21("4","4","6","6","2","7","2","1") = "6"
    & skf21("4","4","6","6","2","7","3","1") = "6"
    & skf21("4","4","6","6","2","7","4","1") = "6"
    & skf21("4","4","6","6","2","7","5","1") = "6"
    & skf21("4","4","6","6","2","7","6","1") = "6"
    & skf21("4","4","6","6","2","7","7","1") = "6"
    & skf21("4","4","6","6","3","1","1","1") = "5"
    & skf21("4","4","6","6","3","1","2","1") = "5"
    & skf21("4","4","6","6","3","1","3","1") = "5"
    & skf21("4","4","6","6","3","1","4","1") = "5"
    & skf21("4","4","6","6","3","1","5","1") = "5"
    & skf21("4","4","6","6","3","1","6","1") = "5"
    & skf21("4","4","6","6","3","1","7","1") = "6"
    & skf21("4","4","6","6","3","2","1","1") = "5"
    & skf21("4","4","6","6","3","2","2","1") = "5"
    & skf21("4","4","6","6","3","2","3","1") = "5"
    & skf21("4","4","6","6","3","2","4","1") = "5"
    & skf21("4","4","6","6","3","2","5","1") = "5"
    & skf21("4","4","6","6","3","2","6","1") = "5"
    & skf21("4","4","6","6","3","2","7","1") = "6"
    & skf21("4","4","6","6","3","3","1","1") = "5"
    & skf21("4","4","6","6","3","3","2","1") = "5"
    & skf21("4","4","6","6","3","3","3","1") = "5"
    & skf21("4","4","6","6","3","3","4","1") = "5"
    & skf21("4","4","6","6","3","3","5","1") = "5"
    & skf21("4","4","6","6","3","3","6","1") = "5"
    & skf21("4","4","6","6","3","3","7","1") = "6"
    & skf21("4","4","6","6","3","4","1","1") = "5"
    & skf21("4","4","6","6","3","4","2","1") = "5"
    & skf21("4","4","6","6","3","4","3","1") = "5"
    & skf21("4","4","6","6","3","4","4","1") = "5"
    & skf21("4","4","6","6","3","4","5","1") = "5"
    & skf21("4","4","6","6","3","4","6","1") = "5"
    & skf21("4","4","6","6","3","4","7","1") = "6"
    & skf21("4","4","6","6","3","5","1","1") = "5"
    & skf21("4","4","6","6","3","5","2","1") = "5"
    & skf21("4","4","6","6","3","5","3","1") = "5"
    & skf21("4","4","6","6","3","5","4","1") = "5"
    & skf21("4","4","6","6","3","5","5","1") = "5"
    & skf21("4","4","6","6","3","5","6","1") = "5"
    & skf21("4","4","6","6","3","5","7","1") = "6"
    & skf21("4","4","6","6","3","6","1","1") = "5"
    & skf21("4","4","6","6","3","6","2","1") = "5"
    & skf21("4","4","6","6","3","6","3","1") = "5"
    & skf21("4","4","6","6","3","6","4","1") = "5"
    & skf21("4","4","6","6","3","6","5","1") = "5"
    & skf21("4","4","6","6","3","6","6","1") = "5"
    & skf21("4","4","6","6","3","6","7","1") = "6"
    & skf21("4","4","6","6","3","7","1","1") = "6"
    & skf21("4","4","6","6","3","7","2","1") = "6"
    & skf21("4","4","6","6","3","7","3","1") = "6"
    & skf21("4","4","6","6","3","7","4","1") = "6"
    & skf21("4","4","6","6","3","7","5","1") = "6"
    & skf21("4","4","6","6","3","7","6","1") = "6"
    & skf21("4","4","6","6","3","7","7","1") = "6"
    & skf21("4","4","6","6","4","1","1","1") = "5"
    & skf21("4","4","6","6","4","1","2","1") = "5"
    & skf21("4","4","6","6","4","1","3","1") = "5"
    & skf21("4","4","6","6","4","1","4","1") = "5"
    & skf21("4","4","6","6","4","1","5","1") = "5"
    & skf21("4","4","6","6","4","1","6","1") = "5"
    & skf21("4","4","6","6","4","1","7","1") = "6"
    & skf21("4","4","6","6","4","2","1","1") = "5"
    & skf21("4","4","6","6","4","2","2","1") = "5"
    & skf21("4","4","6","6","4","2","3","1") = "5"
    & skf21("4","4","6","6","4","2","4","1") = "5"
    & skf21("4","4","6","6","4","2","5","1") = "5"
    & skf21("4","4","6","6","4","2","6","1") = "5"
    & skf21("4","4","6","6","4","2","7","1") = "6"
    & skf21("4","4","6","6","4","3","1","1") = "5"
    & skf21("4","4","6","6","4","3","2","1") = "5"
    & skf21("4","4","6","6","4","3","3","1") = "5"
    & skf21("4","4","6","6","4","3","4","1") = "5"
    & skf21("4","4","6","6","4","3","5","1") = "5"
    & skf21("4","4","6","6","4","3","6","1") = "5"
    & skf21("4","4","6","6","4","3","7","1") = "6"
    & skf21("4","4","6","6","4","4","1","1") = "5"
    & skf21("4","4","6","6","4","4","2","1") = "5"
    & skf21("4","4","6","6","4","4","3","1") = "5"
    & skf21("4","4","6","6","4","4","4","1") = "5"
    & skf21("4","4","6","6","4","4","5","1") = "5"
    & skf21("4","4","6","6","4","4","6","1") = "5"
    & skf21("4","4","6","6","4","4","7","1") = "6"
    & skf21("4","4","6","6","4","5","1","1") = "5"
    & skf21("4","4","6","6","4","5","2","1") = "5"
    & skf21("4","4","6","6","4","5","3","1") = "5"
    & skf21("4","4","6","6","4","5","4","1") = "5"
    & skf21("4","4","6","6","4","5","5","1") = "5"
    & skf21("4","4","6","6","4","5","6","1") = "5"
    & skf21("4","4","6","6","4","5","7","1") = "6"
    & skf21("4","4","6","6","4","6","1","1") = "5"
    & skf21("4","4","6","6","4","6","2","1") = "5"
    & skf21("4","4","6","6","4","6","3","1") = "5"
    & skf21("4","4","6","6","4","6","4","1") = "5"
    & skf21("4","4","6","6","4","6","5","1") = "5"
    & skf21("4","4","6","6","4","6","6","1") = "5"
    & skf21("4","4","6","6","4","6","7","1") = "6"
    & skf21("4","4","6","6","4","7","1","1") = "6"
    & skf21("4","4","6","6","4","7","2","1") = "6"
    & skf21("4","4","6","6","4","7","3","1") = "6"
    & skf21("4","4","6","6","4","7","4","1") = "6"
    & skf21("4","4","6","6","4","7","5","1") = "6"
    & skf21("4","4","6","6","4","7","6","1") = "6"
    & skf21("4","4","6","6","4","7","7","1") = "6"
    & skf21("4","4","6","6","5","1","1","1") = "5"
    & skf21("4","4","6","6","5","1","2","1") = "5"
    & skf21("4","4","6","6","5","1","3","1") = "5"
    & skf21("4","4","6","6","5","1","4","1") = "5"
    & skf21("4","4","6","6","5","1","5","1") = "5"
    & skf21("4","4","6","6","5","1","6","1") = "5"
    & skf21("4","4","6","6","5","1","7","1") = "6"
    & skf21("4","4","6","6","5","2","1","1") = "5"
    & skf21("4","4","6","6","5","2","2","1") = "5"
    & skf21("4","4","6","6","5","2","3","1") = "5"
    & skf21("4","4","6","6","5","2","4","1") = "5"
    & skf21("4","4","6","6","5","2","5","1") = "5"
    & skf21("4","4","6","6","5","2","6","1") = "5"
    & skf21("4","4","6","6","5","2","7","1") = "6"
    & skf21("4","4","6","6","5","3","1","1") = "5"
    & skf21("4","4","6","6","5","3","2","1") = "5"
    & skf21("4","4","6","6","5","3","3","1") = "5"
    & skf21("4","4","6","6","5","3","4","1") = "5"
    & skf21("4","4","6","6","5","3","5","1") = "5"
    & skf21("4","4","6","6","5","3","6","1") = "5"
    & skf21("4","4","6","6","5","3","7","1") = "6"
    & skf21("4","4","6","6","5","4","1","1") = "5"
    & skf21("4","4","6","6","5","4","2","1") = "5"
    & skf21("4","4","6","6","5","4","3","1") = "5"
    & skf21("4","4","6","6","5","4","4","1") = "5"
    & skf21("4","4","6","6","5","4","5","1") = "5"
    & skf21("4","4","6","6","5","4","6","1") = "5"
    & skf21("4","4","6","6","5","4","7","1") = "6"
    & skf21("4","4","6","6","5","5","1","1") = "5"
    & skf21("4","4","6","6","5","5","2","1") = "5"
    & skf21("4","4","6","6","5","5","3","1") = "5"
    & skf21("4","4","6","6","5","5","4","1") = "5"
    & skf21("4","4","6","6","5","5","5","1") = "5"
    & skf21("4","4","6","6","5","5","6","1") = "5"
    & skf21("4","4","6","6","5","5","7","1") = "6"
    & skf21("4","4","6","6","5","6","1","1") = "5"
    & skf21("4","4","6","6","5","6","2","1") = "5"
    & skf21("4","4","6","6","5","6","3","1") = "5"
    & skf21("4","4","6","6","5","6","4","1") = "5"
    & skf21("4","4","6","6","5","6","5","1") = "5"
    & skf21("4","4","6","6","5","6","6","1") = "5"
    & skf21("4","4","6","6","5","6","7","1") = "6"
    & skf21("4","4","6","6","5","7","1","1") = "6"
    & skf21("4","4","6","6","5","7","2","1") = "6"
    & skf21("4","4","6","6","5","7","3","1") = "6"
    & skf21("4","4","6","6","5","7","4","1") = "6"
    & skf21("4","4","6","6","5","7","5","1") = "6"
    & skf21("4","4","6","6","5","7","6","1") = "6"
    & skf21("4","4","6","6","5","7","7","1") = "6"
    & skf21("4","4","6","6","6","1","1","1") = "5"
    & skf21("4","4","6","6","6","1","2","1") = "5"
    & skf21("4","4","6","6","6","1","3","1") = "5"
    & skf21("4","4","6","6","6","1","4","1") = "5"
    & skf21("4","4","6","6","6","1","5","1") = "5"
    & skf21("4","4","6","6","6","1","6","1") = "5"
    & skf21("4","4","6","6","6","1","7","1") = "6"
    & skf21("4","4","6","6","6","2","1","1") = "5"
    & skf21("4","4","6","6","6","2","2","1") = "5"
    & skf21("4","4","6","6","6","2","3","1") = "5"
    & skf21("4","4","6","6","6","2","4","1") = "5"
    & skf21("4","4","6","6","6","2","5","1") = "5"
    & skf21("4","4","6","6","6","2","6","1") = "5"
    & skf21("4","4","6","6","6","2","7","1") = "6"
    & skf21("4","4","6","6","6","3","1","1") = "5"
    & skf21("4","4","6","6","6","3","2","1") = "5"
    & skf21("4","4","6","6","6","3","3","1") = "5"
    & skf21("4","4","6","6","6","3","4","1") = "5"
    & skf21("4","4","6","6","6","3","5","1") = "5"
    & skf21("4","4","6","6","6","3","6","1") = "5"
    & skf21("4","4","6","6","6","3","7","1") = "6"
    & skf21("4","4","6","6","6","4","1","1") = "5"
    & skf21("4","4","6","6","6","4","2","1") = "5"
    & skf21("4","4","6","6","6","4","3","1") = "5"
    & skf21("4","4","6","6","6","4","4","1") = "5"
    & skf21("4","4","6","6","6","4","5","1") = "5"
    & skf21("4","4","6","6","6","4","6","1") = "5"
    & skf21("4","4","6","6","6","4","7","1") = "6"
    & skf21("4","4","6","6","6","5","1","1") = "5"
    & skf21("4","4","6","6","6","5","2","1") = "5"
    & skf21("4","4","6","6","6","5","3","1") = "5"
    & skf21("4","4","6","6","6","5","4","1") = "5"
    & skf21("4","4","6","6","6","5","5","1") = "5"
    & skf21("4","4","6","6","6","5","6","1") = "5"
    & skf21("4","4","6","6","6","5","7","1") = "6"
    & skf21("4","4","6","6","6","6","1","1") = "5"
    & skf21("4","4","6","6","6","6","2","1") = "5"
    & skf21("4","4","6","6","6","6","3","1") = "5"
    & skf21("4","4","6","6","6","6","4","1") = "5"
    & skf21("4","4","6","6","6","6","5","1") = "5"
    & skf21("4","4","6","6","6","6","6","1") = "5"
    & skf21("4","4","6","6","6","6","7","1") = "6"
    & skf21("4","4","6","6","6","7","1","1") = "6"
    & skf21("4","4","6","6","6","7","2","1") = "6"
    & skf21("4","4","6","6","6","7","3","1") = "6"
    & skf21("4","4","6","6","6","7","4","1") = "6"
    & skf21("4","4","6","6","6","7","5","1") = "6"
    & skf21("4","4","6","6","6","7","6","1") = "6"
    & skf21("4","4","6","6","6","7","7","1") = "6"
    & skf21("4","4","6","6","7","1","1","1") = "6"
    & skf21("4","4","6","6","7","1","2","1") = "6"
    & skf21("4","4","6","6","7","1","3","1") = "6"
    & skf21("4","4","6","6","7","1","4","1") = "6"
    & skf21("4","4","6","6","7","1","5","1") = "6"
    & skf21("4","4","6","6","7","1","6","1") = "6"
    & skf21("4","4","6","6","7","1","7","1") = "6"
    & skf21("4","4","6","6","7","2","1","1") = "6"
    & skf21("4","4","6","6","7","2","2","1") = "6"
    & skf21("4","4","6","6","7","2","3","1") = "6"
    & skf21("4","4","6","6","7","2","4","1") = "6"
    & skf21("4","4","6","6","7","2","5","1") = "6"
    & skf21("4","4","6","6","7","2","6","1") = "6"
    & skf21("4","4","6","6","7","2","7","1") = "6"
    & skf21("4","4","6","6","7","3","1","1") = "6"
    & skf21("4","4","6","6","7","3","2","1") = "6"
    & skf21("4","4","6","6","7","3","3","1") = "6"
    & skf21("4","4","6","6","7","3","4","1") = "6"
    & skf21("4","4","6","6","7","3","5","1") = "6"
    & skf21("4","4","6","6","7","3","6","1") = "6"
    & skf21("4","4","6","6","7","3","7","1") = "6"
    & skf21("4","4","6","6","7","4","1","1") = "6"
    & skf21("4","4","6","6","7","4","2","1") = "6"
    & skf21("4","4","6","6","7","4","3","1") = "6"
    & skf21("4","4","6","6","7","4","4","1") = "6"
    & skf21("4","4","6","6","7","4","5","1") = "6"
    & skf21("4","4","6","6","7","4","6","1") = "6"
    & skf21("4","4","6","6","7","4","7","1") = "6"
    & skf21("4","4","6","6","7","5","1","1") = "6"
    & skf21("4","4","6","6","7","5","2","1") = "6"
    & skf21("4","4","6","6","7","5","3","1") = "6"
    & skf21("4","4","6","6","7","5","4","1") = "6"
    & skf21("4","4","6","6","7","5","5","1") = "6"
    & skf21("4","4","6","6","7","5","6","1") = "6"
    & skf21("4","4","6","6","7","5","7","1") = "6"
    & skf21("4","4","6","6","7","6","1","1") = "6"
    & skf21("4","4","6","6","7","6","2","1") = "6"
    & skf21("4","4","6","6","7","6","3","1") = "6"
    & skf21("4","4","6","6","7","6","4","1") = "6"
    & skf21("4","4","6","6","7","6","5","1") = "6"
    & skf21("4","4","6","6","7","6","6","1") = "6"
    & skf21("4","4","6","6","7","6","7","1") = "6"
    & skf21("4","4","6","6","7","7","1","1") = "6"
    & skf21("4","4","6","6","7","7","2","1") = "6"
    & skf21("4","4","6","6","7","7","3","1") = "6"
    & skf21("4","4","6","6","7","7","4","1") = "6"
    & skf21("4","4","6","6","7","7","5","1") = "6"
    & skf21("4","4","6","6","7","7","6","1") = "6"
    & skf21("4","4","6","6","7","7","7","1") = "6"
    & skf21("4","4","6","7","1","1","1","1") = "6"
    & skf21("4","4","6","7","1","1","2","1") = "6"
    & skf21("4","4","6","7","1","1","3","1") = "6"
    & skf21("4","4","6","7","1","1","4","1") = "6"
    & skf21("4","4","6","7","1","1","5","1") = "6"
    & skf21("4","4","6","7","1","1","6","1") = "6"
    & skf21("4","4","6","7","1","1","7","1") = "6"
    & skf21("4","4","6","7","1","2","1","1") = "6"
    & skf21("4","4","6","7","1","2","2","1") = "6"
    & skf21("4","4","6","7","1","2","3","1") = "6"
    & skf21("4","4","6","7","1","2","4","1") = "6"
    & skf21("4","4","6","7","1","2","5","1") = "6"
    & skf21("4","4","6","7","1","2","6","1") = "6"
    & skf21("4","4","6","7","1","2","7","1") = "6"
    & skf21("4","4","6","7","1","3","1","1") = "6"
    & skf21("4","4","6","7","1","3","2","1") = "6"
    & skf21("4","4","6","7","1","3","3","1") = "6"
    & skf21("4","4","6","7","1","3","4","1") = "6"
    & skf21("4","4","6","7","1","3","5","1") = "6"
    & skf21("4","4","6","7","1","3","6","1") = "6"
    & skf21("4","4","6","7","1","3","7","1") = "6"
    & skf21("4","4","6","7","1","4","1","1") = "6"
    & skf21("4","4","6","7","1","4","2","1") = "6"
    & skf21("4","4","6","7","1","4","3","1") = "6"
    & skf21("4","4","6","7","1","4","4","1") = "6"
    & skf21("4","4","6","7","1","4","5","1") = "6"
    & skf21("4","4","6","7","1","4","6","1") = "6"
    & skf21("4","4","6","7","1","4","7","1") = "6"
    & skf21("4","4","6","7","1","5","1","1") = "6"
    & skf21("4","4","6","7","1","5","2","1") = "6"
    & skf21("4","4","6","7","1","5","3","1") = "6"
    & skf21("4","4","6","7","1","5","4","1") = "6"
    & skf21("4","4","6","7","1","5","5","1") = "6"
    & skf21("4","4","6","7","1","5","6","1") = "6"
    & skf21("4","4","6","7","1","5","7","1") = "6"
    & skf21("4","4","6","7","1","6","1","1") = "6"
    & skf21("4","4","6","7","1","6","2","1") = "6"
    & skf21("4","4","6","7","1","6","3","1") = "6"
    & skf21("4","4","6","7","1","6","4","1") = "6"
    & skf21("4","4","6","7","1","6","5","1") = "6"
    & skf21("4","4","6","7","1","6","6","1") = "6"
    & skf21("4","4","6","7","1","6","7","1") = "6"
    & skf21("4","4","6","7","1","7","1","1") = "6"
    & skf21("4","4","6","7","1","7","2","1") = "6"
    & skf21("4","4","6","7","1","7","3","1") = "6"
    & skf21("4","4","6","7","1","7","4","1") = "6"
    & skf21("4","4","6","7","1","7","5","1") = "6"
    & skf21("4","4","6","7","1","7","6","1") = "6"
    & skf21("4","4","6","7","1","7","7","1") = "6"
    & skf21("4","4","6","7","2","1","1","1") = "6"
    & skf21("4","4","6","7","2","1","2","1") = "6"
    & skf21("4","4","6","7","2","1","3","1") = "6"
    & skf21("4","4","6","7","2","1","4","1") = "6"
    & skf21("4","4","6","7","2","1","5","1") = "6"
    & skf21("4","4","6","7","2","1","6","1") = "6"
    & skf21("4","4","6","7","2","1","7","1") = "6"
    & skf21("4","4","6","7","2","2","1","1") = "6"
    & skf21("4","4","6","7","2","2","2","1") = "6"
    & skf21("4","4","6","7","2","2","3","1") = "6"
    & skf21("4","4","6","7","2","2","4","1") = "6"
    & skf21("4","4","6","7","2","2","5","1") = "6"
    & skf21("4","4","6","7","2","2","6","1") = "6"
    & skf21("4","4","6","7","2","2","7","1") = "6"
    & skf21("4","4","6","7","2","3","1","1") = "6"
    & skf21("4","4","6","7","2","3","2","1") = "6"
    & skf21("4","4","6","7","2","3","3","1") = "6"
    & skf21("4","4","6","7","2","3","4","1") = "6"
    & skf21("4","4","6","7","2","3","5","1") = "6"
    & skf21("4","4","6","7","2","3","6","1") = "6"
    & skf21("4","4","6","7","2","3","7","1") = "6"
    & skf21("4","4","6","7","2","4","1","1") = "6"
    & skf21("4","4","6","7","2","4","2","1") = "6"
    & skf21("4","4","6","7","2","4","3","1") = "6"
    & skf21("4","4","6","7","2","4","4","1") = "6"
    & skf21("4","4","6","7","2","4","5","1") = "6"
    & skf21("4","4","6","7","2","4","6","1") = "6"
    & skf21("4","4","6","7","2","4","7","1") = "6"
    & skf21("4","4","6","7","2","5","1","1") = "6"
    & skf21("4","4","6","7","2","5","2","1") = "6"
    & skf21("4","4","6","7","2","5","3","1") = "6"
    & skf21("4","4","6","7","2","5","4","1") = "6"
    & skf21("4","4","6","7","2","5","5","1") = "6"
    & skf21("4","4","6","7","2","5","6","1") = "6"
    & skf21("4","4","6","7","2","5","7","1") = "6"
    & skf21("4","4","6","7","2","6","1","1") = "6"
    & skf21("4","4","6","7","2","6","2","1") = "6"
    & skf21("4","4","6","7","2","6","3","1") = "6"
    & skf21("4","4","6","7","2","6","4","1") = "6"
    & skf21("4","4","6","7","2","6","5","1") = "6"
    & skf21("4","4","6","7","2","6","6","1") = "6"
    & skf21("4","4","6","7","2","6","7","1") = "6"
    & skf21("4","4","6","7","2","7","1","1") = "6"
    & skf21("4","4","6","7","2","7","2","1") = "6"
    & skf21("4","4","6","7","2","7","3","1") = "6"
    & skf21("4","4","6","7","2","7","4","1") = "6"
    & skf21("4","4","6","7","2","7","5","1") = "6"
    & skf21("4","4","6","7","2","7","6","1") = "6"
    & skf21("4","4","6","7","2","7","7","1") = "6"
    & skf21("4","4","6","7","3","1","1","1") = "6"
    & skf21("4","4","6","7","3","1","2","1") = "6"
    & skf21("4","4","6","7","3","1","3","1") = "6"
    & skf21("4","4","6","7","3","1","4","1") = "6"
    & skf21("4","4","6","7","3","1","5","1") = "6"
    & skf21("4","4","6","7","3","1","6","1") = "6"
    & skf21("4","4","6","7","3","1","7","1") = "6"
    & skf21("4","4","6","7","3","2","1","1") = "6"
    & skf21("4","4","6","7","3","2","2","1") = "6"
    & skf21("4","4","6","7","3","2","3","1") = "6"
    & skf21("4","4","6","7","3","2","4","1") = "6"
    & skf21("4","4","6","7","3","2","5","1") = "6"
    & skf21("4","4","6","7","3","2","6","1") = "6"
    & skf21("4","4","6","7","3","2","7","1") = "6"
    & skf21("4","4","6","7","3","3","1","1") = "6"
    & skf21("4","4","6","7","3","3","2","1") = "6"
    & skf21("4","4","6","7","3","3","3","1") = "6"
    & skf21("4","4","6","7","3","3","4","1") = "6"
    & skf21("4","4","6","7","3","3","5","1") = "6"
    & skf21("4","4","6","7","3","3","6","1") = "6"
    & skf21("4","4","6","7","3","3","7","1") = "6"
    & skf21("4","4","6","7","3","4","1","1") = "6"
    & skf21("4","4","6","7","3","4","2","1") = "6"
    & skf21("4","4","6","7","3","4","3","1") = "6"
    & skf21("4","4","6","7","3","4","4","1") = "6"
    & skf21("4","4","6","7","3","4","5","1") = "6"
    & skf21("4","4","6","7","3","4","6","1") = "6"
    & skf21("4","4","6","7","3","4","7","1") = "6"
    & skf21("4","4","6","7","3","5","1","1") = "6"
    & skf21("4","4","6","7","3","5","2","1") = "6"
    & skf21("4","4","6","7","3","5","3","1") = "6"
    & skf21("4","4","6","7","3","5","4","1") = "6"
    & skf21("4","4","6","7","3","5","5","1") = "6"
    & skf21("4","4","6","7","3","5","6","1") = "6"
    & skf21("4","4","6","7","3","5","7","1") = "6"
    & skf21("4","4","6","7","3","6","1","1") = "6"
    & skf21("4","4","6","7","3","6","2","1") = "6"
    & skf21("4","4","6","7","3","6","3","1") = "6"
    & skf21("4","4","6","7","3","6","4","1") = "6"
    & skf21("4","4","6","7","3","6","5","1") = "6"
    & skf21("4","4","6","7","3","6","6","1") = "6"
    & skf21("4","4","6","7","3","6","7","1") = "6"
    & skf21("4","4","6","7","3","7","1","1") = "6"
    & skf21("4","4","6","7","3","7","2","1") = "6"
    & skf21("4","4","6","7","3","7","3","1") = "6"
    & skf21("4","4","6","7","3","7","4","1") = "6"
    & skf21("4","4","6","7","3","7","5","1") = "6"
    & skf21("4","4","6","7","3","7","6","1") = "6"
    & skf21("4","4","6","7","3","7","7","1") = "6"
    & skf21("4","4","6","7","4","1","1","1") = "6"
    & skf21("4","4","6","7","4","1","2","1") = "6"
    & skf21("4","4","6","7","4","1","3","1") = "6"
    & skf21("4","4","6","7","4","1","4","1") = "6"
    & skf21("4","4","6","7","4","1","5","1") = "6"
    & skf21("4","4","6","7","4","1","6","1") = "6"
    & skf21("4","4","6","7","4","1","7","1") = "6"
    & skf21("4","4","6","7","4","2","1","1") = "6"
    & skf21("4","4","6","7","4","2","2","1") = "6"
    & skf21("4","4","6","7","4","2","3","1") = "6"
    & skf21("4","4","6","7","4","2","4","1") = "6"
    & skf21("4","4","6","7","4","2","5","1") = "6"
    & skf21("4","4","6","7","4","2","6","1") = "6"
    & skf21("4","4","6","7","4","2","7","1") = "6"
    & skf21("4","4","6","7","4","3","1","1") = "6"
    & skf21("4","4","6","7","4","3","2","1") = "6"
    & skf21("4","4","6","7","4","3","3","1") = "6"
    & skf21("4","4","6","7","4","3","4","1") = "6"
    & skf21("4","4","6","7","4","3","5","1") = "6"
    & skf21("4","4","6","7","4","3","6","1") = "6"
    & skf21("4","4","6","7","4","3","7","1") = "6"
    & skf21("4","4","6","7","4","4","1","1") = "6"
    & skf21("4","4","6","7","4","4","2","1") = "6"
    & skf21("4","4","6","7","4","4","3","1") = "6"
    & skf21("4","4","6","7","4","4","4","1") = "6"
    & skf21("4","4","6","7","4","4","5","1") = "6"
    & skf21("4","4","6","7","4","4","6","1") = "6"
    & skf21("4","4","6","7","4","4","7","1") = "6"
    & skf21("4","4","6","7","4","5","1","1") = "6"
    & skf21("4","4","6","7","4","5","2","1") = "6"
    & skf21("4","4","6","7","4","5","3","1") = "6"
    & skf21("4","4","6","7","4","5","4","1") = "6"
    & skf21("4","4","6","7","4","5","5","1") = "6"
    & skf21("4","4","6","7","4","5","6","1") = "6"
    & skf21("4","4","6","7","4","5","7","1") = "6"
    & skf21("4","4","6","7","4","6","1","1") = "6"
    & skf21("4","4","6","7","4","6","2","1") = "6"
    & skf21("4","4","6","7","4","6","3","1") = "6"
    & skf21("4","4","6","7","4","6","4","1") = "6"
    & skf21("4","4","6","7","4","6","5","1") = "6"
    & skf21("4","4","6","7","4","6","6","1") = "6"
    & skf21("4","4","6","7","4","6","7","1") = "6"
    & skf21("4","4","6","7","4","7","1","1") = "6"
    & skf21("4","4","6","7","4","7","2","1") = "6"
    & skf21("4","4","6","7","4","7","3","1") = "6"
    & skf21("4","4","6","7","4","7","4","1") = "6"
    & skf21("4","4","6","7","4","7","5","1") = "6"
    & skf21("4","4","6","7","4","7","6","1") = "6"
    & skf21("4","4","6","7","4","7","7","1") = "6"
    & skf21("4","4","6","7","5","1","1","1") = "6"
    & skf21("4","4","6","7","5","1","2","1") = "6"
    & skf21("4","4","6","7","5","1","3","1") = "6"
    & skf21("4","4","6","7","5","1","4","1") = "6"
    & skf21("4","4","6","7","5","1","5","1") = "6"
    & skf21("4","4","6","7","5","1","6","1") = "6"
    & skf21("4","4","6","7","5","1","7","1") = "6"
    & skf21("4","4","6","7","5","2","1","1") = "6"
    & skf21("4","4","6","7","5","2","2","1") = "6"
    & skf21("4","4","6","7","5","2","3","1") = "6"
    & skf21("4","4","6","7","5","2","4","1") = "6"
    & skf21("4","4","6","7","5","2","5","1") = "6"
    & skf21("4","4","6","7","5","2","6","1") = "6"
    & skf21("4","4","6","7","5","2","7","1") = "6"
    & skf21("4","4","6","7","5","3","1","1") = "6"
    & skf21("4","4","6","7","5","3","2","1") = "6"
    & skf21("4","4","6","7","5","3","3","1") = "6"
    & skf21("4","4","6","7","5","3","4","1") = "6"
    & skf21("4","4","6","7","5","3","5","1") = "6"
    & skf21("4","4","6","7","5","3","6","1") = "6"
    & skf21("4","4","6","7","5","3","7","1") = "6"
    & skf21("4","4","6","7","5","4","1","1") = "6"
    & skf21("4","4","6","7","5","4","2","1") = "6"
    & skf21("4","4","6","7","5","4","3","1") = "6"
    & skf21("4","4","6","7","5","4","4","1") = "6"
    & skf21("4","4","6","7","5","4","5","1") = "6"
    & skf21("4","4","6","7","5","4","6","1") = "6"
    & skf21("4","4","6","7","5","4","7","1") = "6"
    & skf21("4","4","6","7","5","5","1","1") = "6"
    & skf21("4","4","6","7","5","5","2","1") = "6"
    & skf21("4","4","6","7","5","5","3","1") = "6"
    & skf21("4","4","6","7","5","5","4","1") = "6"
    & skf21("4","4","6","7","5","5","5","1") = "6"
    & skf21("4","4","6","7","5","5","6","1") = "6"
    & skf21("4","4","6","7","5","5","7","1") = "6"
    & skf21("4","4","6","7","5","6","1","1") = "6"
    & skf21("4","4","6","7","5","6","2","1") = "6"
    & skf21("4","4","6","7","5","6","3","1") = "6"
    & skf21("4","4","6","7","5","6","4","1") = "6"
    & skf21("4","4","6","7","5","6","5","1") = "6"
    & skf21("4","4","6","7","5","6","6","1") = "6"
    & skf21("4","4","6","7","5","6","7","1") = "6"
    & skf21("4","4","6","7","5","7","1","1") = "6"
    & skf21("4","4","6","7","5","7","2","1") = "6"
    & skf21("4","4","6","7","5","7","3","1") = "6"
    & skf21("4","4","6","7","5","7","4","1") = "6"
    & skf21("4","4","6","7","5","7","5","1") = "6"
    & skf21("4","4","6","7","5","7","6","1") = "6"
    & skf21("4","4","6","7","5","7","7","1") = "6"
    & skf21("4","4","6","7","6","1","1","1") = "6"
    & skf21("4","4","6","7","6","1","2","1") = "6"
    & skf21("4","4","6","7","6","1","3","1") = "6"
    & skf21("4","4","6","7","6","1","4","1") = "6"
    & skf21("4","4","6","7","6","1","5","1") = "6"
    & skf21("4","4","6","7","6","1","6","1") = "6"
    & skf21("4","4","6","7","6","1","7","1") = "6"
    & skf21("4","4","6","7","6","2","1","1") = "6"
    & skf21("4","4","6","7","6","2","2","1") = "6"
    & skf21("4","4","6","7","6","2","3","1") = "6"
    & skf21("4","4","6","7","6","2","4","1") = "6"
    & skf21("4","4","6","7","6","2","5","1") = "6"
    & skf21("4","4","6","7","6","2","6","1") = "6"
    & skf21("4","4","6","7","6","2","7","1") = "6"
    & skf21("4","4","6","7","6","3","1","1") = "6"
    & skf21("4","4","6","7","6","3","2","1") = "6"
    & skf21("4","4","6","7","6","3","3","1") = "6"
    & skf21("4","4","6","7","6","3","4","1") = "6"
    & skf21("4","4","6","7","6","3","5","1") = "6"
    & skf21("4","4","6","7","6","3","6","1") = "6"
    & skf21("4","4","6","7","6","3","7","1") = "6"
    & skf21("4","4","6","7","6","4","1","1") = "6"
    & skf21("4","4","6","7","6","4","2","1") = "6"
    & skf21("4","4","6","7","6","4","3","1") = "6"
    & skf21("4","4","6","7","6","4","4","1") = "6"
    & skf21("4","4","6","7","6","4","5","1") = "6"
    & skf21("4","4","6","7","6","4","6","1") = "6"
    & skf21("4","4","6","7","6","4","7","1") = "6"
    & skf21("4","4","6","7","6","5","1","1") = "6"
    & skf21("4","4","6","7","6","5","2","1") = "6"
    & skf21("4","4","6","7","6","5","3","1") = "6"
    & skf21("4","4","6","7","6","5","4","1") = "6"
    & skf21("4","4","6","7","6","5","5","1") = "6"
    & skf21("4","4","6","7","6","5","6","1") = "6"
    & skf21("4","4","6","7","6","5","7","1") = "6"
    & skf21("4","4","6","7","6","6","1","1") = "6"
    & skf21("4","4","6","7","6","6","2","1") = "6"
    & skf21("4","4","6","7","6","6","3","1") = "6"
    & skf21("4","4","6","7","6","6","4","1") = "6"
    & skf21("4","4","6","7","6","6","5","1") = "6"
    & skf21("4","4","6","7","6","6","6","1") = "6"
    & skf21("4","4","6","7","6","6","7","1") = "6"
    & skf21("4","4","6","7","6","7","1","1") = "6"
    & skf21("4","4","6","7","6","7","2","1") = "6"
    & skf21("4","4","6","7","6","7","3","1") = "6"
    & skf21("4","4","6","7","6","7","4","1") = "6"
    & skf21("4","4","6","7","6","7","5","1") = "6"
    & skf21("4","4","6","7","6","7","6","1") = "6"
    & skf21("4","4","6","7","6","7","7","1") = "6"
    & skf21("4","4","6","7","7","1","1","1") = "6"
    & skf21("4","4","6","7","7","1","2","1") = "6"
    & skf21("4","4","6","7","7","1","3","1") = "6"
    & skf21("4","4","6","7","7","1","4","1") = "6"
    & skf21("4","4","6","7","7","1","5","1") = "6"
    & skf21("4","4","6","7","7","1","6","1") = "6"
    & skf21("4","4","6","7","7","1","7","1") = "6"
    & skf21("4","4","6","7","7","2","1","1") = "6"
    & skf21("4","4","6","7","7","2","2","1") = "6"
    & skf21("4","4","6","7","7","2","3","1") = "6"
    & skf21("4","4","6","7","7","2","4","1") = "6"
    & skf21("4","4","6","7","7","2","5","1") = "6"
    & skf21("4","4","6","7","7","2","6","1") = "6"
    & skf21("4","4","6","7","7","2","7","1") = "6"
    & skf21("4","4","6","7","7","3","1","1") = "6"
    & skf21("4","4","6","7","7","3","2","1") = "6"
    & skf21("4","4","6","7","7","3","3","1") = "6"
    & skf21("4","4","6","7","7","3","4","1") = "6"
    & skf21("4","4","6","7","7","3","5","1") = "6"
    & skf21("4","4","6","7","7","3","6","1") = "6"
    & skf21("4","4","6","7","7","3","7","1") = "6"
    & skf21("4","4","6","7","7","4","1","1") = "6"
    & skf21("4","4","6","7","7","4","2","1") = "6"
    & skf21("4","4","6","7","7","4","3","1") = "6"
    & skf21("4","4","6","7","7","4","4","1") = "6"
    & skf21("4","4","6","7","7","4","5","1") = "6"
    & skf21("4","4","6","7","7","4","6","1") = "6"
    & skf21("4","4","6","7","7","4","7","1") = "6"
    & skf21("4","4","6","7","7","5","1","1") = "6"
    & skf21("4","4","6","7","7","5","2","1") = "6"
    & skf21("4","4","6","7","7","5","3","1") = "6"
    & skf21("4","4","6","7","7","5","4","1") = "6"
    & skf21("4","4","6","7","7","5","5","1") = "6"
    & skf21("4","4","6","7","7","5","6","1") = "6"
    & skf21("4","4","6","7","7","5","7","1") = "6"
    & skf21("4","4","6","7","7","6","1","1") = "6"
    & skf21("4","4","6","7","7","6","2","1") = "6"
    & skf21("4","4","6","7","7","6","3","1") = "6"
    & skf21("4","4","6","7","7","6","4","1") = "6"
    & skf21("4","4","6","7","7","6","5","1") = "6"
    & skf21("4","4","6","7","7","6","6","1") = "6"
    & skf21("4","4","6","7","7","6","7","1") = "6"
    & skf21("4","4","6","7","7","7","1","1") = "6"
    & skf21("4","4","6","7","7","7","2","1") = "6"
    & skf21("4","4","6","7","7","7","3","1") = "6"
    & skf21("4","4","6","7","7","7","4","1") = "6"
    & skf21("4","4","6","7","7","7","5","1") = "6"
    & skf21("4","4","6","7","7","7","6","1") = "6"
    & skf21("4","4","6","7","7","7","7","1") = "6"
    & skf21("4","4","7","1","1","1","1","1") = "6"
    & skf21("4","4","7","1","1","1","2","1") = "6"
    & skf21("4","4","7","1","1","1","3","1") = "6"
    & skf21("4","4","7","1","1","1","4","1") = "6"
    & skf21("4","4","7","1","1","1","5","1") = "6"
    & skf21("4","4","7","1","1","1","6","1") = "6"
    & skf21("4","4","7","1","1","1","7","1") = "6"
    & skf21("4","4","7","1","1","2","1","1") = "6"
    & skf21("4","4","7","1","1","2","2","1") = "6"
    & skf21("4","4","7","1","1","2","3","1") = "6"
    & skf21("4","4","7","1","1","2","4","1") = "6"
    & skf21("4","4","7","1","1","2","5","1") = "6"
    & skf21("4","4","7","1","1","2","6","1") = "6"
    & skf21("4","4","7","1","1","2","7","1") = "6"
    & skf21("4","4","7","1","1","3","1","1") = "6"
    & skf21("4","4","7","1","1","3","2","1") = "6"
    & skf21("4","4","7","1","1","3","3","1") = "6"
    & skf21("4","4","7","1","1","3","4","1") = "6"
    & skf21("4","4","7","1","1","3","5","1") = "6"
    & skf21("4","4","7","1","1","3","6","1") = "6"
    & skf21("4","4","7","1","1","3","7","1") = "6"
    & skf21("4","4","7","1","1","4","1","1") = "6"
    & skf21("4","4","7","1","1","4","2","1") = "6"
    & skf21("4","4","7","1","1","4","3","1") = "6"
    & skf21("4","4","7","1","1","4","4","1") = "6"
    & skf21("4","4","7","1","1","4","5","1") = "6"
    & skf21("4","4","7","1","1","4","6","1") = "6"
    & skf21("4","4","7","1","1","4","7","1") = "6"
    & skf21("4","4","7","1","1","5","1","1") = "6"
    & skf21("4","4","7","1","1","5","2","1") = "6"
    & skf21("4","4","7","1","1","5","3","1") = "6"
    & skf21("4","4","7","1","1","5","4","1") = "6"
    & skf21("4","4","7","1","1","5","5","1") = "6"
    & skf21("4","4","7","1","1","5","6","1") = "6"
    & skf21("4","4","7","1","1","5","7","1") = "6"
    & skf21("4","4","7","1","1","6","1","1") = "6"
    & skf21("4","4","7","1","1","6","2","1") = "6"
    & skf21("4","4","7","1","1","6","3","1") = "6"
    & skf21("4","4","7","1","1","6","4","1") = "6"
    & skf21("4","4","7","1","1","6","5","1") = "6"
    & skf21("4","4","7","1","1","6","6","1") = "6"
    & skf21("4","4","7","1","1","6","7","1") = "6"
    & skf21("4","4","7","1","1","7","1","1") = "6"
    & skf21("4","4","7","1","1","7","2","1") = "6"
    & skf21("4","4","7","1","1","7","3","1") = "6"
    & skf21("4","4","7","1","1","7","4","1") = "6"
    & skf21("4","4","7","1","1","7","5","1") = "6"
    & skf21("4","4","7","1","1","7","6","1") = "6"
    & skf21("4","4","7","1","1","7","7","1") = "6"
    & skf21("4","4","7","1","2","1","1","1") = "6"
    & skf21("4","4","7","1","2","1","2","1") = "6"
    & skf21("4","4","7","1","2","1","3","1") = "6"
    & skf21("4","4","7","1","2","1","4","1") = "6"
    & skf21("4","4","7","1","2","1","5","1") = "6"
    & skf21("4","4","7","1","2","1","6","1") = "6"
    & skf21("4","4","7","1","2","1","7","1") = "6"
    & skf21("4","4","7","1","2","2","1","1") = "6"
    & skf21("4","4","7","1","2","2","2","1") = "6"
    & skf21("4","4","7","1","2","2","3","1") = "6"
    & skf21("4","4","7","1","2","2","4","1") = "6"
    & skf21("4","4","7","1","2","2","5","1") = "6"
    & skf21("4","4","7","1","2","2","6","1") = "6"
    & skf21("4","4","7","1","2","2","7","1") = "6"
    & skf21("4","4","7","1","2","3","1","1") = "6"
    & skf21("4","4","7","1","2","3","2","1") = "6"
    & skf21("4","4","7","1","2","3","3","1") = "6"
    & skf21("4","4","7","1","2","3","4","1") = "6"
    & skf21("4","4","7","1","2","3","5","1") = "6"
    & skf21("4","4","7","1","2","3","6","1") = "6"
    & skf21("4","4","7","1","2","3","7","1") = "6"
    & skf21("4","4","7","1","2","4","1","1") = "6"
    & skf21("4","4","7","1","2","4","2","1") = "6"
    & skf21("4","4","7","1","2","4","3","1") = "6"
    & skf21("4","4","7","1","2","4","4","1") = "6"
    & skf21("4","4","7","1","2","4","5","1") = "6"
    & skf21("4","4","7","1","2","4","6","1") = "6"
    & skf21("4","4","7","1","2","4","7","1") = "6"
    & skf21("4","4","7","1","2","5","1","1") = "6"
    & skf21("4","4","7","1","2","5","2","1") = "6"
    & skf21("4","4","7","1","2","5","3","1") = "6"
    & skf21("4","4","7","1","2","5","4","1") = "6"
    & skf21("4","4","7","1","2","5","5","1") = "6"
    & skf21("4","4","7","1","2","5","6","1") = "6"
    & skf21("4","4","7","1","2","5","7","1") = "6"
    & skf21("4","4","7","1","2","6","1","1") = "6"
    & skf21("4","4","7","1","2","6","2","1") = "6"
    & skf21("4","4","7","1","2","6","3","1") = "6"
    & skf21("4","4","7","1","2","6","4","1") = "6"
    & skf21("4","4","7","1","2","6","5","1") = "6"
    & skf21("4","4","7","1","2","6","6","1") = "6"
    & skf21("4","4","7","1","2","6","7","1") = "6"
    & skf21("4","4","7","1","2","7","1","1") = "6"
    & skf21("4","4","7","1","2","7","2","1") = "6"
    & skf21("4","4","7","1","2","7","3","1") = "6"
    & skf21("4","4","7","1","2","7","4","1") = "6"
    & skf21("4","4","7","1","2","7","5","1") = "6"
    & skf21("4","4","7","1","2","7","6","1") = "6"
    & skf21("4","4","7","1","2","7","7","1") = "6"
    & skf21("4","4","7","1","3","1","1","1") = "6"
    & skf21("4","4","7","1","3","1","2","1") = "6"
    & skf21("4","4","7","1","3","1","3","1") = "6"
    & skf21("4","4","7","1","3","1","4","1") = "6"
    & skf21("4","4","7","1","3","1","5","1") = "6"
    & skf21("4","4","7","1","3","1","6","1") = "6"
    & skf21("4","4","7","1","3","1","7","1") = "6"
    & skf21("4","4","7","1","3","2","1","1") = "6"
    & skf21("4","4","7","1","3","2","2","1") = "6"
    & skf21("4","4","7","1","3","2","3","1") = "6"
    & skf21("4","4","7","1","3","2","4","1") = "6"
    & skf21("4","4","7","1","3","2","5","1") = "6"
    & skf21("4","4","7","1","3","2","6","1") = "6"
    & skf21("4","4","7","1","3","2","7","1") = "6"
    & skf21("4","4","7","1","3","3","1","1") = "6"
    & skf21("4","4","7","1","3","3","2","1") = "6"
    & skf21("4","4","7","1","3","3","3","1") = "6"
    & skf21("4","4","7","1","3","3","4","1") = "6"
    & skf21("4","4","7","1","3","3","5","1") = "6"
    & skf21("4","4","7","1","3","3","6","1") = "6"
    & skf21("4","4","7","1","3","3","7","1") = "6"
    & skf21("4","4","7","1","3","4","1","1") = "6"
    & skf21("4","4","7","1","3","4","2","1") = "6"
    & skf21("4","4","7","1","3","4","3","1") = "6"
    & skf21("4","4","7","1","3","4","4","1") = "6"
    & skf21("4","4","7","1","3","4","5","1") = "6"
    & skf21("4","4","7","1","3","4","6","1") = "6"
    & skf21("4","4","7","1","3","4","7","1") = "6"
    & skf21("4","4","7","1","3","5","1","1") = "6"
    & skf21("4","4","7","1","3","5","2","1") = "6"
    & skf21("4","4","7","1","3","5","3","1") = "6"
    & skf21("4","4","7","1","3","5","4","1") = "6"
    & skf21("4","4","7","1","3","5","5","1") = "6"
    & skf21("4","4","7","1","3","5","6","1") = "6"
    & skf21("4","4","7","1","3","5","7","1") = "6"
    & skf21("4","4","7","1","3","6","1","1") = "6"
    & skf21("4","4","7","1","3","6","2","1") = "6"
    & skf21("4","4","7","1","3","6","3","1") = "6"
    & skf21("4","4","7","1","3","6","4","1") = "6"
    & skf21("4","4","7","1","3","6","5","1") = "6"
    & skf21("4","4","7","1","3","6","6","1") = "6"
    & skf21("4","4","7","1","3","6","7","1") = "6"
    & skf21("4","4","7","1","3","7","1","1") = "6"
    & skf21("4","4","7","1","3","7","2","1") = "6"
    & skf21("4","4","7","1","3","7","3","1") = "6"
    & skf21("4","4","7","1","3","7","4","1") = "6"
    & skf21("4","4","7","1","3","7","5","1") = "6"
    & skf21("4","4","7","1","3","7","6","1") = "6"
    & skf21("4","4","7","1","3","7","7","1") = "6"
    & skf21("4","4","7","1","4","1","1","1") = "6"
    & skf21("4","4","7","1","4","1","2","1") = "6"
    & skf21("4","4","7","1","4","1","3","1") = "6"
    & skf21("4","4","7","1","4","1","4","1") = "6"
    & skf21("4","4","7","1","4","1","5","1") = "6"
    & skf21("4","4","7","1","4","1","6","1") = "6"
    & skf21("4","4","7","1","4","1","7","1") = "6"
    & skf21("4","4","7","1","4","2","1","1") = "6"
    & skf21("4","4","7","1","4","2","2","1") = "6"
    & skf21("4","4","7","1","4","2","3","1") = "6"
    & skf21("4","4","7","1","4","2","4","1") = "6"
    & skf21("4","4","7","1","4","2","5","1") = "6"
    & skf21("4","4","7","1","4","2","6","1") = "6"
    & skf21("4","4","7","1","4","2","7","1") = "6"
    & skf21("4","4","7","1","4","3","1","1") = "6"
    & skf21("4","4","7","1","4","3","2","1") = "6"
    & skf21("4","4","7","1","4","3","3","1") = "6"
    & skf21("4","4","7","1","4","3","4","1") = "6"
    & skf21("4","4","7","1","4","3","5","1") = "6"
    & skf21("4","4","7","1","4","3","6","1") = "6"
    & skf21("4","4","7","1","4","3","7","1") = "6"
    & skf21("4","4","7","1","4","4","1","1") = "6"
    & skf21("4","4","7","1","4","4","2","1") = "6"
    & skf21("4","4","7","1","4","4","3","1") = "6"
    & skf21("4","4","7","1","4","4","4","1") = "6"
    & skf21("4","4","7","1","4","4","5","1") = "6"
    & skf21("4","4","7","1","4","4","6","1") = "6"
    & skf21("4","4","7","1","4","4","7","1") = "6"
    & skf21("4","4","7","1","4","5","1","1") = "6"
    & skf21("4","4","7","1","4","5","2","1") = "6"
    & skf21("4","4","7","1","4","5","3","1") = "6"
    & skf21("4","4","7","1","4","5","4","1") = "6"
    & skf21("4","4","7","1","4","5","5","1") = "6"
    & skf21("4","4","7","1","4","5","6","1") = "6"
    & skf21("4","4","7","1","4","5","7","1") = "6"
    & skf21("4","4","7","1","4","6","1","1") = "6"
    & skf21("4","4","7","1","4","6","2","1") = "6"
    & skf21("4","4","7","1","4","6","3","1") = "6"
    & skf21("4","4","7","1","4","6","4","1") = "6"
    & skf21("4","4","7","1","4","6","5","1") = "6"
    & skf21("4","4","7","1","4","6","6","1") = "6"
    & skf21("4","4","7","1","4","6","7","1") = "6"
    & skf21("4","4","7","1","4","7","1","1") = "6"
    & skf21("4","4","7","1","4","7","2","1") = "6"
    & skf21("4","4","7","1","4","7","3","1") = "6"
    & skf21("4","4","7","1","4","7","4","1") = "6"
    & skf21("4","4","7","1","4","7","5","1") = "6"
    & skf21("4","4","7","1","4","7","6","1") = "6"
    & skf21("4","4","7","1","4","7","7","1") = "6"
    & skf21("4","4","7","1","5","1","1","1") = "6"
    & skf21("4","4","7","1","5","1","2","1") = "6"
    & skf21("4","4","7","1","5","1","3","1") = "6"
    & skf21("4","4","7","1","5","1","4","1") = "6"
    & skf21("4","4","7","1","5","1","5","1") = "6"
    & skf21("4","4","7","1","5","1","6","1") = "6"
    & skf21("4","4","7","1","5","1","7","1") = "6"
    & skf21("4","4","7","1","5","2","1","1") = "6"
    & skf21("4","4","7","1","5","2","2","1") = "6"
    & skf21("4","4","7","1","5","2","3","1") = "6"
    & skf21("4","4","7","1","5","2","4","1") = "6"
    & skf21("4","4","7","1","5","2","5","1") = "6"
    & skf21("4","4","7","1","5","2","6","1") = "6"
    & skf21("4","4","7","1","5","2","7","1") = "6"
    & skf21("4","4","7","1","5","3","1","1") = "6"
    & skf21("4","4","7","1","5","3","2","1") = "6"
    & skf21("4","4","7","1","5","3","3","1") = "6"
    & skf21("4","4","7","1","5","3","4","1") = "6"
    & skf21("4","4","7","1","5","3","5","1") = "6"
    & skf21("4","4","7","1","5","3","6","1") = "6"
    & skf21("4","4","7","1","5","3","7","1") = "6"
    & skf21("4","4","7","1","5","4","1","1") = "6"
    & skf21("4","4","7","1","5","4","2","1") = "6"
    & skf21("4","4","7","1","5","4","3","1") = "6"
    & skf21("4","4","7","1","5","4","4","1") = "6"
    & skf21("4","4","7","1","5","4","5","1") = "6"
    & skf21("4","4","7","1","5","4","6","1") = "6"
    & skf21("4","4","7","1","5","4","7","1") = "6"
    & skf21("4","4","7","1","5","5","1","1") = "6"
    & skf21("4","4","7","1","5","5","2","1") = "6"
    & skf21("4","4","7","1","5","5","3","1") = "6"
    & skf21("4","4","7","1","5","5","4","1") = "6"
    & skf21("4","4","7","1","5","5","5","1") = "6"
    & skf21("4","4","7","1","5","5","6","1") = "6"
    & skf21("4","4","7","1","5","5","7","1") = "6"
    & skf21("4","4","7","1","5","6","1","1") = "6"
    & skf21("4","4","7","1","5","6","2","1") = "6"
    & skf21("4","4","7","1","5","6","3","1") = "6"
    & skf21("4","4","7","1","5","6","4","1") = "6"
    & skf21("4","4","7","1","5","6","5","1") = "6"
    & skf21("4","4","7","1","5","6","6","1") = "6"
    & skf21("4","4","7","1","5","6","7","1") = "6"
    & skf21("4","4","7","1","5","7","1","1") = "6"
    & skf21("4","4","7","1","5","7","2","1") = "6"
    & skf21("4","4","7","1","5","7","3","1") = "6"
    & skf21("4","4","7","1","5","7","4","1") = "6"
    & skf21("4","4","7","1","5","7","5","1") = "6"
    & skf21("4","4","7","1","5","7","6","1") = "6"
    & skf21("4","4","7","1","5","7","7","1") = "6"
    & skf21("4","4","7","1","6","1","1","1") = "6"
    & skf21("4","4","7","1","6","1","2","1") = "6"
    & skf21("4","4","7","1","6","1","3","1") = "6"
    & skf21("4","4","7","1","6","1","4","1") = "6"
    & skf21("4","4","7","1","6","1","5","1") = "6"
    & skf21("4","4","7","1","6","1","6","1") = "6"
    & skf21("4","4","7","1","6","1","7","1") = "6"
    & skf21("4","4","7","1","6","2","1","1") = "6"
    & skf21("4","4","7","1","6","2","2","1") = "6"
    & skf21("4","4","7","1","6","2","3","1") = "6"
    & skf21("4","4","7","1","6","2","4","1") = "6"
    & skf21("4","4","7","1","6","2","5","1") = "6"
    & skf21("4","4","7","1","6","2","6","1") = "6"
    & skf21("4","4","7","1","6","2","7","1") = "6"
    & skf21("4","4","7","1","6","3","1","1") = "6"
    & skf21("4","4","7","1","6","3","2","1") = "6"
    & skf21("4","4","7","1","6","3","3","1") = "6"
    & skf21("4","4","7","1","6","3","4","1") = "6"
    & skf21("4","4","7","1","6","3","5","1") = "6"
    & skf21("4","4","7","1","6","3","6","1") = "6"
    & skf21("4","4","7","1","6","3","7","1") = "6"
    & skf21("4","4","7","1","6","4","1","1") = "6"
    & skf21("4","4","7","1","6","4","2","1") = "6"
    & skf21("4","4","7","1","6","4","3","1") = "6"
    & skf21("4","4","7","1","6","4","4","1") = "6"
    & skf21("4","4","7","1","6","4","5","1") = "6"
    & skf21("4","4","7","1","6","4","6","1") = "6"
    & skf21("4","4","7","1","6","4","7","1") = "6"
    & skf21("4","4","7","1","6","5","1","1") = "6"
    & skf21("4","4","7","1","6","5","2","1") = "6"
    & skf21("4","4","7","1","6","5","3","1") = "6"
    & skf21("4","4","7","1","6","5","4","1") = "6"
    & skf21("4","4","7","1","6","5","5","1") = "6"
    & skf21("4","4","7","1","6","5","6","1") = "6"
    & skf21("4","4","7","1","6","5","7","1") = "6"
    & skf21("4","4","7","1","6","6","1","1") = "6"
    & skf21("4","4","7","1","6","6","2","1") = "6"
    & skf21("4","4","7","1","6","6","3","1") = "6"
    & skf21("4","4","7","1","6","6","4","1") = "6"
    & skf21("4","4","7","1","6","6","5","1") = "6"
    & skf21("4","4","7","1","6","6","6","1") = "6"
    & skf21("4","4","7","1","6","6","7","1") = "6"
    & skf21("4","4","7","1","6","7","1","1") = "6"
    & skf21("4","4","7","1","6","7","2","1") = "6"
    & skf21("4","4","7","1","6","7","3","1") = "6"
    & skf21("4","4","7","1","6","7","4","1") = "6"
    & skf21("4","4","7","1","6","7","5","1") = "6"
    & skf21("4","4","7","1","6","7","6","1") = "6"
    & skf21("4","4","7","1","6","7","7","1") = "6"
    & skf21("4","4","7","1","7","1","1","1") = "6"
    & skf21("4","4","7","1","7","1","2","1") = "6"
    & skf21("4","4","7","1","7","1","3","1") = "6"
    & skf21("4","4","7","1","7","1","4","1") = "6"
    & skf21("4","4","7","1","7","1","5","1") = "6"
    & skf21("4","4","7","1","7","1","6","1") = "6"
    & skf21("4","4","7","1","7","1","7","1") = "6"
    & skf21("4","4","7","1","7","2","1","1") = "6"
    & skf21("4","4","7","1","7","2","2","1") = "6"
    & skf21("4","4","7","1","7","2","3","1") = "6"
    & skf21("4","4","7","1","7","2","4","1") = "6"
    & skf21("4","4","7","1","7","2","5","1") = "6"
    & skf21("4","4","7","1","7","2","6","1") = "6"
    & skf21("4","4","7","1","7","2","7","1") = "6"
    & skf21("4","4","7","1","7","3","1","1") = "6"
    & skf21("4","4","7","1","7","3","2","1") = "6"
    & skf21("4","4","7","1","7","3","3","1") = "6"
    & skf21("4","4","7","1","7","3","4","1") = "6"
    & skf21("4","4","7","1","7","3","5","1") = "6"
    & skf21("4","4","7","1","7","3","6","1") = "6"
    & skf21("4","4","7","1","7","3","7","1") = "6"
    & skf21("4","4","7","1","7","4","1","1") = "6"
    & skf21("4","4","7","1","7","4","2","1") = "6"
    & skf21("4","4","7","1","7","4","3","1") = "6"
    & skf21("4","4","7","1","7","4","4","1") = "6"
    & skf21("4","4","7","1","7","4","5","1") = "6"
    & skf21("4","4","7","1","7","4","6","1") = "6"
    & skf21("4","4","7","1","7","4","7","1") = "6"
    & skf21("4","4","7","1","7","5","1","1") = "6"
    & skf21("4","4","7","1","7","5","2","1") = "6"
    & skf21("4","4","7","1","7","5","3","1") = "6"
    & skf21("4","4","7","1","7","5","4","1") = "6"
    & skf21("4","4","7","1","7","5","5","1") = "6"
    & skf21("4","4","7","1","7","5","6","1") = "6"
    & skf21("4","4","7","1","7","5","7","1") = "6"
    & skf21("4","4","7","1","7","6","1","1") = "6"
    & skf21("4","4","7","1","7","6","2","1") = "6"
    & skf21("4","4","7","1","7","6","3","1") = "6"
    & skf21("4","4","7","1","7","6","4","1") = "6"
    & skf21("4","4","7","1","7","6","5","1") = "6"
    & skf21("4","4","7","1","7","6","6","1") = "6"
    & skf21("4","4","7","1","7","6","7","1") = "6"
    & skf21("4","4","7","1","7","7","1","1") = "6"
    & skf21("4","4","7","1","7","7","2","1") = "6"
    & skf21("4","4","7","1","7","7","3","1") = "6"
    & skf21("4","4","7","1","7","7","4","1") = "6"
    & skf21("4","4","7","1","7","7","5","1") = "6"
    & skf21("4","4","7","1","7","7","6","1") = "6"
    & skf21("4","4","7","1","7","7","7","1") = "6"
    & skf21("4","4","7","2","1","1","1","1") = "6"
    & skf21("4","4","7","2","1","1","2","1") = "6"
    & skf21("4","4","7","2","1","1","3","1") = "6"
    & skf21("4","4","7","2","1","1","4","1") = "6"
    & skf21("4","4","7","2","1","1","5","1") = "6"
    & skf21("4","4","7","2","1","1","6","1") = "6"
    & skf21("4","4","7","2","1","1","7","1") = "6"
    & skf21("4","4","7","2","1","2","1","1") = "6"
    & skf21("4","4","7","2","1","2","2","1") = "6"
    & skf21("4","4","7","2","1","2","3","1") = "6"
    & skf21("4","4","7","2","1","2","4","1") = "6"
    & skf21("4","4","7","2","1","2","5","1") = "6"
    & skf21("4","4","7","2","1","2","6","1") = "6"
    & skf21("4","4","7","2","1","2","7","1") = "6"
    & skf21("4","4","7","2","1","3","1","1") = "6"
    & skf21("4","4","7","2","1","3","2","1") = "6"
    & skf21("4","4","7","2","1","3","3","1") = "6"
    & skf21("4","4","7","2","1","3","4","1") = "6"
    & skf21("4","4","7","2","1","3","5","1") = "6"
    & skf21("4","4","7","2","1","3","6","1") = "6"
    & skf21("4","4","7","2","1","3","7","1") = "6"
    & skf21("4","4","7","2","1","4","1","1") = "6"
    & skf21("4","4","7","2","1","4","2","1") = "6"
    & skf21("4","4","7","2","1","4","3","1") = "6"
    & skf21("4","4","7","2","1","4","4","1") = "6"
    & skf21("4","4","7","2","1","4","5","1") = "6"
    & skf21("4","4","7","2","1","4","6","1") = "6"
    & skf21("4","4","7","2","1","4","7","1") = "6"
    & skf21("4","4","7","2","1","5","1","1") = "6"
    & skf21("4","4","7","2","1","5","2","1") = "6"
    & skf21("4","4","7","2","1","5","3","1") = "6"
    & skf21("4","4","7","2","1","5","4","1") = "6"
    & skf21("4","4","7","2","1","5","5","1") = "6"
    & skf21("4","4","7","2","1","5","6","1") = "6"
    & skf21("4","4","7","2","1","5","7","1") = "6"
    & skf21("4","4","7","2","1","6","1","1") = "6"
    & skf21("4","4","7","2","1","6","2","1") = "6"
    & skf21("4","4","7","2","1","6","3","1") = "6"
    & skf21("4","4","7","2","1","6","4","1") = "6"
    & skf21("4","4","7","2","1","6","5","1") = "6"
    & skf21("4","4","7","2","1","6","6","1") = "6"
    & skf21("4","4","7","2","1","6","7","1") = "6"
    & skf21("4","4","7","2","1","7","1","1") = "6"
    & skf21("4","4","7","2","1","7","2","1") = "6"
    & skf21("4","4","7","2","1","7","3","1") = "6"
    & skf21("4","4","7","2","1","7","4","1") = "6"
    & skf21("4","4","7","2","1","7","5","1") = "6"
    & skf21("4","4","7","2","1","7","6","1") = "6"
    & skf21("4","4","7","2","1","7","7","1") = "6"
    & skf21("4","4","7","2","2","1","1","1") = "6"
    & skf21("4","4","7","2","2","1","2","1") = "6"
    & skf21("4","4","7","2","2","1","3","1") = "6"
    & skf21("4","4","7","2","2","1","4","1") = "6"
    & skf21("4","4","7","2","2","1","5","1") = "6"
    & skf21("4","4","7","2","2","1","6","1") = "6"
    & skf21("4","4","7","2","2","1","7","1") = "6"
    & skf21("4","4","7","2","2","2","1","1") = "6"
    & skf21("4","4","7","2","2","2","2","1") = "6"
    & skf21("4","4","7","2","2","2","3","1") = "6"
    & skf21("4","4","7","2","2","2","4","1") = "6"
    & skf21("4","4","7","2","2","2","5","1") = "6"
    & skf21("4","4","7","2","2","2","6","1") = "6"
    & skf21("4","4","7","2","2","2","7","1") = "6"
    & skf21("4","4","7","2","2","3","1","1") = "6"
    & skf21("4","4","7","2","2","3","2","1") = "6"
    & skf21("4","4","7","2","2","3","3","1") = "6"
    & skf21("4","4","7","2","2","3","4","1") = "6"
    & skf21("4","4","7","2","2","3","5","1") = "6"
    & skf21("4","4","7","2","2","3","6","1") = "6"
    & skf21("4","4","7","2","2","3","7","1") = "6"
    & skf21("4","4","7","2","2","4","1","1") = "6"
    & skf21("4","4","7","2","2","4","2","1") = "6"
    & skf21("4","4","7","2","2","4","3","1") = "6"
    & skf21("4","4","7","2","2","4","4","1") = "6"
    & skf21("4","4","7","2","2","4","5","1") = "6"
    & skf21("4","4","7","2","2","4","6","1") = "6"
    & skf21("4","4","7","2","2","4","7","1") = "6"
    & skf21("4","4","7","2","2","5","1","1") = "6"
    & skf21("4","4","7","2","2","5","2","1") = "6"
    & skf21("4","4","7","2","2","5","3","1") = "6"
    & skf21("4","4","7","2","2","5","4","1") = "6"
    & skf21("4","4","7","2","2","5","5","1") = "6"
    & skf21("4","4","7","2","2","5","6","1") = "6"
    & skf21("4","4","7","2","2","5","7","1") = "6"
    & skf21("4","4","7","2","2","6","1","1") = "6"
    & skf21("4","4","7","2","2","6","2","1") = "6"
    & skf21("4","4","7","2","2","6","3","1") = "6"
    & skf21("4","4","7","2","2","6","4","1") = "6"
    & skf21("4","4","7","2","2","6","5","1") = "6"
    & skf21("4","4","7","2","2","6","6","1") = "6"
    & skf21("4","4","7","2","2","6","7","1") = "6"
    & skf21("4","4","7","2","2","7","1","1") = "6"
    & skf21("4","4","7","2","2","7","2","1") = "6"
    & skf21("4","4","7","2","2","7","3","1") = "6"
    & skf21("4","4","7","2","2","7","4","1") = "6"
    & skf21("4","4","7","2","2","7","5","1") = "6"
    & skf21("4","4","7","2","2","7","6","1") = "6"
    & skf21("4","4","7","2","2","7","7","1") = "6"
    & skf21("4","4","7","2","3","1","1","1") = "6"
    & skf21("4","4","7","2","3","1","2","1") = "6"
    & skf21("4","4","7","2","3","1","3","1") = "6"
    & skf21("4","4","7","2","3","1","4","1") = "6"
    & skf21("4","4","7","2","3","1","5","1") = "6"
    & skf21("4","4","7","2","3","1","6","1") = "6"
    & skf21("4","4","7","2","3","1","7","1") = "6"
    & skf21("4","4","7","2","3","2","1","1") = "6"
    & skf21("4","4","7","2","3","2","2","1") = "6"
    & skf21("4","4","7","2","3","2","3","1") = "6"
    & skf21("4","4","7","2","3","2","4","1") = "6"
    & skf21("4","4","7","2","3","2","5","1") = "6"
    & skf21("4","4","7","2","3","2","6","1") = "6"
    & skf21("4","4","7","2","3","2","7","1") = "6"
    & skf21("4","4","7","2","3","3","1","1") = "6"
    & skf21("4","4","7","2","3","3","2","1") = "6"
    & skf21("4","4","7","2","3","3","3","1") = "6"
    & skf21("4","4","7","2","3","3","4","1") = "6"
    & skf21("4","4","7","2","3","3","5","1") = "6"
    & skf21("4","4","7","2","3","3","6","1") = "6"
    & skf21("4","4","7","2","3","3","7","1") = "6"
    & skf21("4","4","7","2","3","4","1","1") = "6"
    & skf21("4","4","7","2","3","4","2","1") = "6"
    & skf21("4","4","7","2","3","4","3","1") = "6"
    & skf21("4","4","7","2","3","4","4","1") = "6"
    & skf21("4","4","7","2","3","4","5","1") = "6"
    & skf21("4","4","7","2","3","4","6","1") = "6"
    & skf21("4","4","7","2","3","4","7","1") = "6"
    & skf21("4","4","7","2","3","5","1","1") = "6"
    & skf21("4","4","7","2","3","5","2","1") = "6"
    & skf21("4","4","7","2","3","5","3","1") = "6"
    & skf21("4","4","7","2","3","5","4","1") = "6"
    & skf21("4","4","7","2","3","5","5","1") = "6"
    & skf21("4","4","7","2","3","5","6","1") = "6"
    & skf21("4","4","7","2","3","5","7","1") = "6"
    & skf21("4","4","7","2","3","6","1","1") = "6"
    & skf21("4","4","7","2","3","6","2","1") = "6"
    & skf21("4","4","7","2","3","6","3","1") = "6"
    & skf21("4","4","7","2","3","6","4","1") = "6"
    & skf21("4","4","7","2","3","6","5","1") = "6"
    & skf21("4","4","7","2","3","6","6","1") = "6"
    & skf21("4","4","7","2","3","6","7","1") = "6"
    & skf21("4","4","7","2","3","7","1","1") = "6"
    & skf21("4","4","7","2","3","7","2","1") = "6"
    & skf21("4","4","7","2","3","7","3","1") = "6"
    & skf21("4","4","7","2","3","7","4","1") = "6"
    & skf21("4","4","7","2","3","7","5","1") = "6"
    & skf21("4","4","7","2","3","7","6","1") = "6"
    & skf21("4","4","7","2","3","7","7","1") = "6"
    & skf21("4","4","7","2","4","1","1","1") = "6"
    & skf21("4","4","7","2","4","1","2","1") = "6"
    & skf21("4","4","7","2","4","1","3","1") = "6"
    & skf21("4","4","7","2","4","1","4","1") = "6"
    & skf21("4","4","7","2","4","1","5","1") = "6"
    & skf21("4","4","7","2","4","1","6","1") = "6"
    & skf21("4","4","7","2","4","1","7","1") = "6"
    & skf21("4","4","7","2","4","2","1","1") = "6"
    & skf21("4","4","7","2","4","2","2","1") = "6"
    & skf21("4","4","7","2","4","2","3","1") = "6"
    & skf21("4","4","7","2","4","2","4","1") = "6"
    & skf21("4","4","7","2","4","2","5","1") = "6"
    & skf21("4","4","7","2","4","2","6","1") = "6"
    & skf21("4","4","7","2","4","2","7","1") = "6"
    & skf21("4","4","7","2","4","3","1","1") = "6"
    & skf21("4","4","7","2","4","3","2","1") = "6"
    & skf21("4","4","7","2","4","3","3","1") = "6"
    & skf21("4","4","7","2","4","3","4","1") = "6"
    & skf21("4","4","7","2","4","3","5","1") = "6"
    & skf21("4","4","7","2","4","3","6","1") = "6"
    & skf21("4","4","7","2","4","3","7","1") = "6"
    & skf21("4","4","7","2","4","4","1","1") = "6"
    & skf21("4","4","7","2","4","4","2","1") = "6"
    & skf21("4","4","7","2","4","4","3","1") = "6"
    & skf21("4","4","7","2","4","4","4","1") = "6"
    & skf21("4","4","7","2","4","4","5","1") = "6"
    & skf21("4","4","7","2","4","4","6","1") = "6"
    & skf21("4","4","7","2","4","4","7","1") = "6"
    & skf21("4","4","7","2","4","5","1","1") = "6"
    & skf21("4","4","7","2","4","5","2","1") = "6"
    & skf21("4","4","7","2","4","5","3","1") = "6"
    & skf21("4","4","7","2","4","5","4","1") = "6"
    & skf21("4","4","7","2","4","5","5","1") = "6"
    & skf21("4","4","7","2","4","5","6","1") = "6"
    & skf21("4","4","7","2","4","5","7","1") = "6"
    & skf21("4","4","7","2","4","6","1","1") = "6"
    & skf21("4","4","7","2","4","6","2","1") = "6"
    & skf21("4","4","7","2","4","6","3","1") = "6"
    & skf21("4","4","7","2","4","6","4","1") = "6"
    & skf21("4","4","7","2","4","6","5","1") = "6"
    & skf21("4","4","7","2","4","6","6","1") = "6"
    & skf21("4","4","7","2","4","6","7","1") = "6"
    & skf21("4","4","7","2","4","7","1","1") = "6"
    & skf21("4","4","7","2","4","7","2","1") = "6"
    & skf21("4","4","7","2","4","7","3","1") = "6"
    & skf21("4","4","7","2","4","7","4","1") = "6"
    & skf21("4","4","7","2","4","7","5","1") = "6"
    & skf21("4","4","7","2","4","7","6","1") = "6"
    & skf21("4","4","7","2","4","7","7","1") = "6"
    & skf21("4","4","7","2","5","1","1","1") = "6"
    & skf21("4","4","7","2","5","1","2","1") = "6"
    & skf21("4","4","7","2","5","1","3","1") = "6"
    & skf21("4","4","7","2","5","1","4","1") = "6"
    & skf21("4","4","7","2","5","1","5","1") = "6"
    & skf21("4","4","7","2","5","1","6","1") = "6"
    & skf21("4","4","7","2","5","1","7","1") = "6"
    & skf21("4","4","7","2","5","2","1","1") = "6"
    & skf21("4","4","7","2","5","2","2","1") = "6"
    & skf21("4","4","7","2","5","2","3","1") = "6"
    & skf21("4","4","7","2","5","2","4","1") = "6"
    & skf21("4","4","7","2","5","2","5","1") = "6"
    & skf21("4","4","7","2","5","2","6","1") = "6"
    & skf21("4","4","7","2","5","2","7","1") = "6"
    & skf21("4","4","7","2","5","3","1","1") = "6"
    & skf21("4","4","7","2","5","3","2","1") = "6"
    & skf21("4","4","7","2","5","3","3","1") = "6"
    & skf21("4","4","7","2","5","3","4","1") = "6"
    & skf21("4","4","7","2","5","3","5","1") = "6"
    & skf21("4","4","7","2","5","3","6","1") = "6"
    & skf21("4","4","7","2","5","3","7","1") = "6"
    & skf21("4","4","7","2","5","4","1","1") = "6"
    & skf21("4","4","7","2","5","4","2","1") = "6"
    & skf21("4","4","7","2","5","4","3","1") = "6"
    & skf21("4","4","7","2","5","4","4","1") = "6"
    & skf21("4","4","7","2","5","4","5","1") = "6"
    & skf21("4","4","7","2","5","4","6","1") = "6"
    & skf21("4","4","7","2","5","4","7","1") = "6"
    & skf21("4","4","7","2","5","5","1","1") = "6"
    & skf21("4","4","7","2","5","5","2","1") = "6"
    & skf21("4","4","7","2","5","5","3","1") = "6"
    & skf21("4","4","7","2","5","5","4","1") = "6"
    & skf21("4","4","7","2","5","5","5","1") = "6"
    & skf21("4","4","7","2","5","5","6","1") = "6"
    & skf21("4","4","7","2","5","5","7","1") = "6"
    & skf21("4","4","7","2","5","6","1","1") = "6"
    & skf21("4","4","7","2","5","6","2","1") = "6"
    & skf21("4","4","7","2","5","6","3","1") = "6"
    & skf21("4","4","7","2","5","6","4","1") = "6"
    & skf21("4","4","7","2","5","6","5","1") = "6"
    & skf21("4","4","7","2","5","6","6","1") = "6"
    & skf21("4","4","7","2","5","6","7","1") = "6"
    & skf21("4","4","7","2","5","7","1","1") = "6"
    & skf21("4","4","7","2","5","7","2","1") = "6"
    & skf21("4","4","7","2","5","7","3","1") = "6"
    & skf21("4","4","7","2","5","7","4","1") = "6"
    & skf21("4","4","7","2","5","7","5","1") = "6"
    & skf21("4","4","7","2","5","7","6","1") = "6"
    & skf21("4","4","7","2","5","7","7","1") = "6"
    & skf21("4","4","7","2","6","1","1","1") = "6"
    & skf21("4","4","7","2","6","1","2","1") = "6"
    & skf21("4","4","7","2","6","1","3","1") = "6"
    & skf21("4","4","7","2","6","1","4","1") = "6"
    & skf21("4","4","7","2","6","1","5","1") = "6"
    & skf21("4","4","7","2","6","1","6","1") = "6"
    & skf21("4","4","7","2","6","1","7","1") = "6"
    & skf21("4","4","7","2","6","2","1","1") = "6"
    & skf21("4","4","7","2","6","2","2","1") = "6"
    & skf21("4","4","7","2","6","2","3","1") = "6"
    & skf21("4","4","7","2","6","2","4","1") = "6"
    & skf21("4","4","7","2","6","2","5","1") = "6"
    & skf21("4","4","7","2","6","2","6","1") = "6"
    & skf21("4","4","7","2","6","2","7","1") = "6"
    & skf21("4","4","7","2","6","3","1","1") = "6"
    & skf21("4","4","7","2","6","3","2","1") = "6"
    & skf21("4","4","7","2","6","3","3","1") = "6"
    & skf21("4","4","7","2","6","3","4","1") = "6"
    & skf21("4","4","7","2","6","3","5","1") = "6"
    & skf21("4","4","7","2","6","3","6","1") = "6"
    & skf21("4","4","7","2","6","3","7","1") = "6"
    & skf21("4","4","7","2","6","4","1","1") = "6"
    & skf21("4","4","7","2","6","4","2","1") = "6"
    & skf21("4","4","7","2","6","4","3","1") = "6"
    & skf21("4","4","7","2","6","4","4","1") = "6"
    & skf21("4","4","7","2","6","4","5","1") = "6"
    & skf21("4","4","7","2","6","4","6","1") = "6"
    & skf21("4","4","7","2","6","4","7","1") = "6"
    & skf21("4","4","7","2","6","5","1","1") = "6"
    & skf21("4","4","7","2","6","5","2","1") = "6"
    & skf21("4","4","7","2","6","5","3","1") = "6"
    & skf21("4","4","7","2","6","5","4","1") = "6"
    & skf21("4","4","7","2","6","5","5","1") = "6"
    & skf21("4","4","7","2","6","5","6","1") = "6"
    & skf21("4","4","7","2","6","5","7","1") = "6"
    & skf21("4","4","7","2","6","6","1","1") = "6"
    & skf21("4","4","7","2","6","6","2","1") = "6"
    & skf21("4","4","7","2","6","6","3","1") = "6"
    & skf21("4","4","7","2","6","6","4","1") = "6"
    & skf21("4","4","7","2","6","6","5","1") = "6"
    & skf21("4","4","7","2","6","6","6","1") = "6"
    & skf21("4","4","7","2","6","6","7","1") = "6"
    & skf21("4","4","7","2","6","7","1","1") = "6"
    & skf21("4","4","7","2","6","7","2","1") = "6"
    & skf21("4","4","7","2","6","7","3","1") = "6"
    & skf21("4","4","7","2","6","7","4","1") = "6"
    & skf21("4","4","7","2","6","7","5","1") = "6"
    & skf21("4","4","7","2","6","7","6","1") = "6"
    & skf21("4","4","7","2","6","7","7","1") = "6"
    & skf21("4","4","7","2","7","1","1","1") = "6"
    & skf21("4","4","7","2","7","1","2","1") = "6"
    & skf21("4","4","7","2","7","1","3","1") = "6"
    & skf21("4","4","7","2","7","1","4","1") = "6"
    & skf21("4","4","7","2","7","1","5","1") = "6"
    & skf21("4","4","7","2","7","1","6","1") = "6"
    & skf21("4","4","7","2","7","1","7","1") = "6"
    & skf21("4","4","7","2","7","2","1","1") = "6"
    & skf21("4","4","7","2","7","2","2","1") = "6"
    & skf21("4","4","7","2","7","2","3","1") = "6"
    & skf21("4","4","7","2","7","2","4","1") = "6"
    & skf21("4","4","7","2","7","2","5","1") = "6"
    & skf21("4","4","7","2","7","2","6","1") = "6"
    & skf21("4","4","7","2","7","2","7","1") = "6"
    & skf21("4","4","7","2","7","3","1","1") = "6"
    & skf21("4","4","7","2","7","3","2","1") = "6"
    & skf21("4","4","7","2","7","3","3","1") = "6"
    & skf21("4","4","7","2","7","3","4","1") = "6"
    & skf21("4","4","7","2","7","3","5","1") = "6"
    & skf21("4","4","7","2","7","3","6","1") = "6"
    & skf21("4","4","7","2","7","3","7","1") = "6"
    & skf21("4","4","7","2","7","4","1","1") = "6"
    & skf21("4","4","7","2","7","4","2","1") = "6"
    & skf21("4","4","7","2","7","4","3","1") = "6"
    & skf21("4","4","7","2","7","4","4","1") = "6"
    & skf21("4","4","7","2","7","4","5","1") = "6"
    & skf21("4","4","7","2","7","4","6","1") = "6"
    & skf21("4","4","7","2","7","4","7","1") = "6"
    & skf21("4","4","7","2","7","5","1","1") = "6"
    & skf21("4","4","7","2","7","5","2","1") = "6"
    & skf21("4","4","7","2","7","5","3","1") = "6"
    & skf21("4","4","7","2","7","5","4","1") = "6"
    & skf21("4","4","7","2","7","5","5","1") = "6"
    & skf21("4","4","7","2","7","5","6","1") = "6"
    & skf21("4","4","7","2","7","5","7","1") = "6"
    & skf21("4","4","7","2","7","6","1","1") = "6"
    & skf21("4","4","7","2","7","6","2","1") = "6"
    & skf21("4","4","7","2","7","6","3","1") = "6"
    & skf21("4","4","7","2","7","6","4","1") = "6"
    & skf21("4","4","7","2","7","6","5","1") = "6"
    & skf21("4","4","7","2","7","6","6","1") = "6"
    & skf21("4","4","7","2","7","6","7","1") = "6"
    & skf21("4","4","7","2","7","7","1","1") = "6"
    & skf21("4","4","7","2","7","7","2","1") = "6"
    & skf21("4","4","7","2","7","7","3","1") = "6"
    & skf21("4","4","7","2","7","7","4","1") = "6"
    & skf21("4","4","7","2","7","7","5","1") = "6"
    & skf21("4","4","7","2","7","7","6","1") = "6"
    & skf21("4","4","7","2","7","7","7","1") = "6"
    & skf21("4","4","7","3","1","1","1","1") = "6"
    & skf21("4","4","7","3","1","1","2","1") = "6"
    & skf21("4","4","7","3","1","1","3","1") = "6"
    & skf21("4","4","7","3","1","1","4","1") = "6"
    & skf21("4","4","7","3","1","1","5","1") = "6"
    & skf21("4","4","7","3","1","1","6","1") = "6"
    & skf21("4","4","7","3","1","1","7","1") = "6"
    & skf21("4","4","7","3","1","2","1","1") = "6"
    & skf21("4","4","7","3","1","2","2","1") = "6"
    & skf21("4","4","7","3","1","2","3","1") = "6"
    & skf21("4","4","7","3","1","2","4","1") = "6"
    & skf21("4","4","7","3","1","2","5","1") = "6"
    & skf21("4","4","7","3","1","2","6","1") = "6"
    & skf21("4","4","7","3","1","2","7","1") = "6"
    & skf21("4","4","7","3","1","3","1","1") = "6"
    & skf21("4","4","7","3","1","3","2","1") = "6"
    & skf21("4","4","7","3","1","3","3","1") = "6"
    & skf21("4","4","7","3","1","3","4","1") = "6"
    & skf21("4","4","7","3","1","3","5","1") = "6"
    & skf21("4","4","7","3","1","3","6","1") = "6"
    & skf21("4","4","7","3","1","3","7","1") = "6"
    & skf21("4","4","7","3","1","4","1","1") = "6"
    & skf21("4","4","7","3","1","4","2","1") = "6"
    & skf21("4","4","7","3","1","4","3","1") = "6"
    & skf21("4","4","7","3","1","4","4","1") = "6"
    & skf21("4","4","7","3","1","4","5","1") = "6"
    & skf21("4","4","7","3","1","4","6","1") = "6"
    & skf21("4","4","7","3","1","4","7","1") = "6"
    & skf21("4","4","7","3","1","5","1","1") = "6"
    & skf21("4","4","7","3","1","5","2","1") = "6"
    & skf21("4","4","7","3","1","5","3","1") = "6"
    & skf21("4","4","7","3","1","5","4","1") = "6"
    & skf21("4","4","7","3","1","5","5","1") = "6"
    & skf21("4","4","7","3","1","5","6","1") = "6"
    & skf21("4","4","7","3","1","5","7","1") = "6"
    & skf21("4","4","7","3","1","6","1","1") = "6"
    & skf21("4","4","7","3","1","6","2","1") = "6"
    & skf21("4","4","7","3","1","6","3","1") = "6"
    & skf21("4","4","7","3","1","6","4","1") = "6"
    & skf21("4","4","7","3","1","6","5","1") = "6"
    & skf21("4","4","7","3","1","6","6","1") = "6"
    & skf21("4","4","7","3","1","6","7","1") = "6"
    & skf21("4","4","7","3","1","7","1","1") = "6"
    & skf21("4","4","7","3","1","7","2","1") = "6"
    & skf21("4","4","7","3","1","7","3","1") = "6"
    & skf21("4","4","7","3","1","7","4","1") = "6"
    & skf21("4","4","7","3","1","7","5","1") = "6"
    & skf21("4","4","7","3","1","7","6","1") = "6"
    & skf21("4","4","7","3","1","7","7","1") = "6"
    & skf21("4","4","7","3","2","1","1","1") = "6"
    & skf21("4","4","7","3","2","1","2","1") = "6"
    & skf21("4","4","7","3","2","1","3","1") = "6"
    & skf21("4","4","7","3","2","1","4","1") = "6"
    & skf21("4","4","7","3","2","1","5","1") = "6"
    & skf21("4","4","7","3","2","1","6","1") = "6"
    & skf21("4","4","7","3","2","1","7","1") = "6"
    & skf21("4","4","7","3","2","2","1","1") = "6"
    & skf21("4","4","7","3","2","2","2","1") = "6"
    & skf21("4","4","7","3","2","2","3","1") = "6"
    & skf21("4","4","7","3","2","2","4","1") = "6"
    & skf21("4","4","7","3","2","2","5","1") = "6"
    & skf21("4","4","7","3","2","2","6","1") = "6"
    & skf21("4","4","7","3","2","2","7","1") = "6"
    & skf21("4","4","7","3","2","3","1","1") = "6"
    & skf21("4","4","7","3","2","3","2","1") = "6"
    & skf21("4","4","7","3","2","3","3","1") = "6"
    & skf21("4","4","7","3","2","3","4","1") = "6"
    & skf21("4","4","7","3","2","3","5","1") = "6"
    & skf21("4","4","7","3","2","3","6","1") = "6"
    & skf21("4","4","7","3","2","3","7","1") = "6"
    & skf21("4","4","7","3","2","4","1","1") = "6"
    & skf21("4","4","7","3","2","4","2","1") = "6"
    & skf21("4","4","7","3","2","4","3","1") = "6"
    & skf21("4","4","7","3","2","4","4","1") = "6"
    & skf21("4","4","7","3","2","4","5","1") = "6"
    & skf21("4","4","7","3","2","4","6","1") = "6"
    & skf21("4","4","7","3","2","4","7","1") = "6"
    & skf21("4","4","7","3","2","5","1","1") = "6"
    & skf21("4","4","7","3","2","5","2","1") = "6"
    & skf21("4","4","7","3","2","5","3","1") = "6"
    & skf21("4","4","7","3","2","5","4","1") = "6"
    & skf21("4","4","7","3","2","5","5","1") = "6"
    & skf21("4","4","7","3","2","5","6","1") = "6"
    & skf21("4","4","7","3","2","5","7","1") = "6"
    & skf21("4","4","7","3","2","6","1","1") = "6"
    & skf21("4","4","7","3","2","6","2","1") = "6"
    & skf21("4","4","7","3","2","6","3","1") = "6"
    & skf21("4","4","7","3","2","6","4","1") = "6"
    & skf21("4","4","7","3","2","6","5","1") = "6"
    & skf21("4","4","7","3","2","6","6","1") = "6"
    & skf21("4","4","7","3","2","6","7","1") = "6"
    & skf21("4","4","7","3","2","7","1","1") = "6"
    & skf21("4","4","7","3","2","7","2","1") = "6"
    & skf21("4","4","7","3","2","7","3","1") = "6"
    & skf21("4","4","7","3","2","7","4","1") = "6"
    & skf21("4","4","7","3","2","7","5","1") = "6"
    & skf21("4","4","7","3","2","7","6","1") = "6"
    & skf21("4","4","7","3","2","7","7","1") = "6"
    & skf21("4","4","7","3","3","1","1","1") = "6"
    & skf21("4","4","7","3","3","1","2","1") = "6"
    & skf21("4","4","7","3","3","1","3","1") = "6"
    & skf21("4","4","7","3","3","1","4","1") = "6"
    & skf21("4","4","7","3","3","1","5","1") = "6"
    & skf21("4","4","7","3","3","1","6","1") = "6"
    & skf21("4","4","7","3","3","1","7","1") = "6"
    & skf21("4","4","7","3","3","2","1","1") = "6"
    & skf21("4","4","7","3","3","2","2","1") = "6"
    & skf21("4","4","7","3","3","2","3","1") = "6"
    & skf21("4","4","7","3","3","2","4","1") = "6"
    & skf21("4","4","7","3","3","2","5","1") = "6"
    & skf21("4","4","7","3","3","2","6","1") = "6"
    & skf21("4","4","7","3","3","2","7","1") = "6"
    & skf21("4","4","7","3","3","3","1","1") = "6"
    & skf21("4","4","7","3","3","3","2","1") = "6"
    & skf21("4","4","7","3","3","3","3","1") = "6"
    & skf21("4","4","7","3","3","3","4","1") = "6"
    & skf21("4","4","7","3","3","3","5","1") = "6"
    & skf21("4","4","7","3","3","3","6","1") = "6"
    & skf21("4","4","7","3","3","3","7","1") = "6"
    & skf21("4","4","7","3","3","4","1","1") = "6"
    & skf21("4","4","7","3","3","4","2","1") = "6"
    & skf21("4","4","7","3","3","4","3","1") = "6"
    & skf21("4","4","7","3","3","4","4","1") = "6"
    & skf21("4","4","7","3","3","4","5","1") = "6"
    & skf21("4","4","7","3","3","4","6","1") = "6"
    & skf21("4","4","7","3","3","4","7","1") = "6"
    & skf21("4","4","7","3","3","5","1","1") = "6"
    & skf21("4","4","7","3","3","5","2","1") = "6"
    & skf21("4","4","7","3","3","5","3","1") = "6"
    & skf21("4","4","7","3","3","5","4","1") = "6"
    & skf21("4","4","7","3","3","5","5","1") = "6"
    & skf21("4","4","7","3","3","5","6","1") = "6"
    & skf21("4","4","7","3","3","5","7","1") = "6"
    & skf21("4","4","7","3","3","6","1","1") = "6"
    & skf21("4","4","7","3","3","6","2","1") = "6"
    & skf21("4","4","7","3","3","6","3","1") = "6"
    & skf21("4","4","7","3","3","6","4","1") = "6"
    & skf21("4","4","7","3","3","6","5","1") = "6"
    & skf21("4","4","7","3","3","6","6","1") = "6"
    & skf21("4","4","7","3","3","6","7","1") = "6"
    & skf21("4","4","7","3","3","7","1","1") = "6"
    & skf21("4","4","7","3","3","7","2","1") = "6"
    & skf21("4","4","7","3","3","7","3","1") = "6"
    & skf21("4","4","7","3","3","7","4","1") = "6"
    & skf21("4","4","7","3","3","7","5","1") = "6"
    & skf21("4","4","7","3","3","7","6","1") = "6"
    & skf21("4","4","7","3","3","7","7","1") = "6"
    & skf21("4","4","7","3","4","1","1","1") = "6"
    & skf21("4","4","7","3","4","1","2","1") = "6"
    & skf21("4","4","7","3","4","1","3","1") = "6"
    & skf21("4","4","7","3","4","1","4","1") = "6"
    & skf21("4","4","7","3","4","1","5","1") = "6"
    & skf21("4","4","7","3","4","1","6","1") = "6"
    & skf21("4","4","7","3","4","1","7","1") = "6"
    & skf21("4","4","7","3","4","2","1","1") = "6"
    & skf21("4","4","7","3","4","2","2","1") = "6"
    & skf21("4","4","7","3","4","2","3","1") = "6"
    & skf21("4","4","7","3","4","2","4","1") = "6"
    & skf21("4","4","7","3","4","2","5","1") = "6"
    & skf21("4","4","7","3","4","2","6","1") = "6"
    & skf21("4","4","7","3","4","2","7","1") = "6"
    & skf21("4","4","7","3","4","3","1","1") = "6"
    & skf21("4","4","7","3","4","3","2","1") = "6"
    & skf21("4","4","7","3","4","3","3","1") = "6"
    & skf21("4","4","7","3","4","3","4","1") = "6"
    & skf21("4","4","7","3","4","3","5","1") = "6"
    & skf21("4","4","7","3","4","3","6","1") = "6"
    & skf21("4","4","7","3","4","3","7","1") = "6"
    & skf21("4","4","7","3","4","4","1","1") = "6"
    & skf21("4","4","7","3","4","4","2","1") = "6"
    & skf21("4","4","7","3","4","4","3","1") = "6"
    & skf21("4","4","7","3","4","4","4","1") = "6"
    & skf21("4","4","7","3","4","4","5","1") = "6"
    & skf21("4","4","7","3","4","4","6","1") = "6"
    & skf21("4","4","7","3","4","4","7","1") = "6"
    & skf21("4","4","7","3","4","5","1","1") = "6"
    & skf21("4","4","7","3","4","5","2","1") = "6"
    & skf21("4","4","7","3","4","5","3","1") = "6"
    & skf21("4","4","7","3","4","5","4","1") = "6"
    & skf21("4","4","7","3","4","5","5","1") = "6"
    & skf21("4","4","7","3","4","5","6","1") = "6"
    & skf21("4","4","7","3","4","5","7","1") = "6"
    & skf21("4","4","7","3","4","6","1","1") = "6"
    & skf21("4","4","7","3","4","6","2","1") = "6"
    & skf21("4","4","7","3","4","6","3","1") = "6"
    & skf21("4","4","7","3","4","6","4","1") = "6"
    & skf21("4","4","7","3","4","6","5","1") = "6"
    & skf21("4","4","7","3","4","6","6","1") = "6"
    & skf21("4","4","7","3","4","6","7","1") = "6"
    & skf21("4","4","7","3","4","7","1","1") = "6"
    & skf21("4","4","7","3","4","7","2","1") = "6"
    & skf21("4","4","7","3","4","7","3","1") = "6"
    & skf21("4","4","7","3","4","7","4","1") = "6"
    & skf21("4","4","7","3","4","7","5","1") = "6"
    & skf21("4","4","7","3","4","7","6","1") = "6"
    & skf21("4","4","7","3","4","7","7","1") = "6"
    & skf21("4","4","7","3","5","1","1","1") = "6"
    & skf21("4","4","7","3","5","1","2","1") = "6"
    & skf21("4","4","7","3","5","1","3","1") = "6"
    & skf21("4","4","7","3","5","1","4","1") = "6"
    & skf21("4","4","7","3","5","1","5","1") = "6"
    & skf21("4","4","7","3","5","1","6","1") = "6"
    & skf21("4","4","7","3","5","1","7","1") = "6"
    & skf21("4","4","7","3","5","2","1","1") = "6"
    & skf21("4","4","7","3","5","2","2","1") = "6"
    & skf21("4","4","7","3","5","2","3","1") = "6"
    & skf21("4","4","7","3","5","2","4","1") = "6"
    & skf21("4","4","7","3","5","2","5","1") = "6"
    & skf21("4","4","7","3","5","2","6","1") = "6"
    & skf21("4","4","7","3","5","2","7","1") = "6"
    & skf21("4","4","7","3","5","3","1","1") = "6"
    & skf21("4","4","7","3","5","3","2","1") = "6"
    & skf21("4","4","7","3","5","3","3","1") = "6"
    & skf21("4","4","7","3","5","3","4","1") = "6"
    & skf21("4","4","7","3","5","3","5","1") = "6"
    & skf21("4","4","7","3","5","3","6","1") = "6"
    & skf21("4","4","7","3","5","3","7","1") = "6"
    & skf21("4","4","7","3","5","4","1","1") = "6"
    & skf21("4","4","7","3","5","4","2","1") = "6"
    & skf21("4","4","7","3","5","4","3","1") = "6"
    & skf21("4","4","7","3","5","4","4","1") = "6"
    & skf21("4","4","7","3","5","4","5","1") = "6"
    & skf21("4","4","7","3","5","4","6","1") = "6"
    & skf21("4","4","7","3","5","4","7","1") = "6"
    & skf21("4","4","7","3","5","5","1","1") = "6"
    & skf21("4","4","7","3","5","5","2","1") = "6"
    & skf21("4","4","7","3","5","5","3","1") = "6"
    & skf21("4","4","7","3","5","5","4","1") = "6"
    & skf21("4","4","7","3","5","5","5","1") = "6"
    & skf21("4","4","7","3","5","5","6","1") = "6"
    & skf21("4","4","7","3","5","5","7","1") = "6"
    & skf21("4","4","7","3","5","6","1","1") = "6"
    & skf21("4","4","7","3","5","6","2","1") = "6"
    & skf21("4","4","7","3","5","6","3","1") = "6"
    & skf21("4","4","7","3","5","6","4","1") = "6"
    & skf21("4","4","7","3","5","6","5","1") = "6"
    & skf21("4","4","7","3","5","6","6","1") = "6"
    & skf21("4","4","7","3","5","6","7","1") = "6"
    & skf21("4","4","7","3","5","7","1","1") = "6"
    & skf21("4","4","7","3","5","7","2","1") = "6"
    & skf21("4","4","7","3","5","7","3","1") = "6"
    & skf21("4","4","7","3","5","7","4","1") = "6"
    & skf21("4","4","7","3","5","7","5","1") = "6"
    & skf21("4","4","7","3","5","7","6","1") = "6"
    & skf21("4","4","7","3","5","7","7","1") = "6"
    & skf21("4","4","7","3","6","1","1","1") = "6"
    & skf21("4","4","7","3","6","1","2","1") = "6"
    & skf21("4","4","7","3","6","1","3","1") = "6"
    & skf21("4","4","7","3","6","1","4","1") = "6"
    & skf21("4","4","7","3","6","1","5","1") = "6"
    & skf21("4","4","7","3","6","1","6","1") = "6"
    & skf21("4","4","7","3","6","1","7","1") = "6"
    & skf21("4","4","7","3","6","2","1","1") = "6"
    & skf21("4","4","7","3","6","2","2","1") = "6"
    & skf21("4","4","7","3","6","2","3","1") = "6"
    & skf21("4","4","7","3","6","2","4","1") = "6"
    & skf21("4","4","7","3","6","2","5","1") = "6"
    & skf21("4","4","7","3","6","2","6","1") = "6"
    & skf21("4","4","7","3","6","2","7","1") = "6"
    & skf21("4","4","7","3","6","3","1","1") = "6"
    & skf21("4","4","7","3","6","3","2","1") = "6"
    & skf21("4","4","7","3","6","3","3","1") = "6"
    & skf21("4","4","7","3","6","3","4","1") = "6"
    & skf21("4","4","7","3","6","3","5","1") = "6"
    & skf21("4","4","7","3","6","3","6","1") = "6"
    & skf21("4","4","7","3","6","3","7","1") = "6"
    & skf21("4","4","7","3","6","4","1","1") = "6"
    & skf21("4","4","7","3","6","4","2","1") = "6"
    & skf21("4","4","7","3","6","4","3","1") = "6"
    & skf21("4","4","7","3","6","4","4","1") = "6"
    & skf21("4","4","7","3","6","4","5","1") = "6"
    & skf21("4","4","7","3","6","4","6","1") = "6"
    & skf21("4","4","7","3","6","4","7","1") = "6"
    & skf21("4","4","7","3","6","5","1","1") = "6"
    & skf21("4","4","7","3","6","5","2","1") = "6"
    & skf21("4","4","7","3","6","5","3","1") = "6"
    & skf21("4","4","7","3","6","5","4","1") = "6"
    & skf21("4","4","7","3","6","5","5","1") = "6"
    & skf21("4","4","7","3","6","5","6","1") = "6"
    & skf21("4","4","7","3","6","5","7","1") = "6"
    & skf21("4","4","7","3","6","6","1","1") = "6"
    & skf21("4","4","7","3","6","6","2","1") = "6"
    & skf21("4","4","7","3","6","6","3","1") = "6"
    & skf21("4","4","7","3","6","6","4","1") = "6"
    & skf21("4","4","7","3","6","6","5","1") = "6"
    & skf21("4","4","7","3","6","6","6","1") = "6"
    & skf21("4","4","7","3","6","6","7","1") = "6"
    & skf21("4","4","7","3","6","7","1","1") = "6"
    & skf21("4","4","7","3","6","7","2","1") = "6"
    & skf21("4","4","7","3","6","7","3","1") = "6"
    & skf21("4","4","7","3","6","7","4","1") = "6"
    & skf21("4","4","7","3","6","7","5","1") = "6"
    & skf21("4","4","7","3","6","7","6","1") = "6"
    & skf21("4","4","7","3","6","7","7","1") = "6"
    & skf21("4","4","7","3","7","1","1","1") = "6"
    & skf21("4","4","7","3","7","1","2","1") = "6"
    & skf21("4","4","7","3","7","1","3","1") = "6"
    & skf21("4","4","7","3","7","1","4","1") = "6"
    & skf21("4","4","7","3","7","1","5","1") = "6"
    & skf21("4","4","7","3","7","1","6","1") = "6"
    & skf21("4","4","7","3","7","1","7","1") = "6"
    & skf21("4","4","7","3","7","2","1","1") = "6"
    & skf21("4","4","7","3","7","2","2","1") = "6"
    & skf21("4","4","7","3","7","2","3","1") = "6"
    & skf21("4","4","7","3","7","2","4","1") = "6"
    & skf21("4","4","7","3","7","2","5","1") = "6"
    & skf21("4","4","7","3","7","2","6","1") = "6"
    & skf21("4","4","7","3","7","2","7","1") = "6"
    & skf21("4","4","7","3","7","3","1","1") = "6"
    & skf21("4","4","7","3","7","3","2","1") = "6"
    & skf21("4","4","7","3","7","3","3","1") = "6"
    & skf21("4","4","7","3","7","3","4","1") = "6"
    & skf21("4","4","7","3","7","3","5","1") = "6"
    & skf21("4","4","7","3","7","3","6","1") = "6"
    & skf21("4","4","7","3","7","3","7","1") = "6"
    & skf21("4","4","7","3","7","4","1","1") = "6"
    & skf21("4","4","7","3","7","4","2","1") = "6"
    & skf21("4","4","7","3","7","4","3","1") = "6"
    & skf21("4","4","7","3","7","4","4","1") = "6"
    & skf21("4","4","7","3","7","4","5","1") = "6"
    & skf21("4","4","7","3","7","4","6","1") = "6"
    & skf21("4","4","7","3","7","4","7","1") = "6"
    & skf21("4","4","7","3","7","5","1","1") = "6"
    & skf21("4","4","7","3","7","5","2","1") = "6"
    & skf21("4","4","7","3","7","5","3","1") = "6"
    & skf21("4","4","7","3","7","5","4","1") = "6"
    & skf21("4","4","7","3","7","5","5","1") = "6"
    & skf21("4","4","7","3","7","5","6","1") = "6"
    & skf21("4","4","7","3","7","5","7","1") = "6"
    & skf21("4","4","7","3","7","6","1","1") = "6"
    & skf21("4","4","7","3","7","6","2","1") = "6"
    & skf21("4","4","7","3","7","6","3","1") = "6"
    & skf21("4","4","7","3","7","6","4","1") = "6"
    & skf21("4","4","7","3","7","6","5","1") = "6"
    & skf21("4","4","7","3","7","6","6","1") = "6"
    & skf21("4","4","7","3","7","6","7","1") = "6"
    & skf21("4","4","7","3","7","7","1","1") = "6"
    & skf21("4","4","7","3","7","7","2","1") = "6"
    & skf21("4","4","7","3","7","7","3","1") = "6"
    & skf21("4","4","7","3","7","7","4","1") = "6"
    & skf21("4","4","7","3","7","7","5","1") = "6"
    & skf21("4","4","7","3","7","7","6","1") = "6"
    & skf21("4","4","7","3","7","7","7","1") = "6"
    & skf21("4","4","7","4","1","1","1","1") = "6"
    & skf21("4","4","7","4","1","1","2","1") = "6"
    & skf21("4","4","7","4","1","1","3","1") = "6"
    & skf21("4","4","7","4","1","1","4","1") = "6"
    & skf21("4","4","7","4","1","1","5","1") = "6"
    & skf21("4","4","7","4","1","1","6","1") = "6"
    & skf21("4","4","7","4","1","1","7","1") = "6"
    & skf21("4","4","7","4","1","2","1","1") = "6"
    & skf21("4","4","7","4","1","2","2","1") = "6"
    & skf21("4","4","7","4","1","2","3","1") = "6"
    & skf21("4","4","7","4","1","2","4","1") = "6"
    & skf21("4","4","7","4","1","2","5","1") = "6"
    & skf21("4","4","7","4","1","2","6","1") = "6"
    & skf21("4","4","7","4","1","2","7","1") = "6"
    & skf21("4","4","7","4","1","3","1","1") = "6"
    & skf21("4","4","7","4","1","3","2","1") = "6"
    & skf21("4","4","7","4","1","3","3","1") = "6"
    & skf21("4","4","7","4","1","3","4","1") = "6"
    & skf21("4","4","7","4","1","3","5","1") = "6"
    & skf21("4","4","7","4","1","3","6","1") = "6"
    & skf21("4","4","7","4","1","3","7","1") = "6"
    & skf21("4","4","7","4","1","4","1","1") = "6"
    & skf21("4","4","7","4","1","4","2","1") = "6"
    & skf21("4","4","7","4","1","4","3","1") = "6"
    & skf21("4","4","7","4","1","4","4","1") = "6"
    & skf21("4","4","7","4","1","4","5","1") = "6"
    & skf21("4","4","7","4","1","4","6","1") = "6"
    & skf21("4","4","7","4","1","4","7","1") = "6"
    & skf21("4","4","7","4","1","5","1","1") = "6"
    & skf21("4","4","7","4","1","5","2","1") = "6"
    & skf21("4","4","7","4","1","5","3","1") = "6"
    & skf21("4","4","7","4","1","5","4","1") = "6"
    & skf21("4","4","7","4","1","5","5","1") = "6"
    & skf21("4","4","7","4","1","5","6","1") = "6"
    & skf21("4","4","7","4","1","5","7","1") = "6"
    & skf21("4","4","7","4","1","6","1","1") = "6"
    & skf21("4","4","7","4","1","6","2","1") = "6"
    & skf21("4","4","7","4","1","6","3","1") = "6"
    & skf21("4","4","7","4","1","6","4","1") = "6"
    & skf21("4","4","7","4","1","6","5","1") = "6"
    & skf21("4","4","7","4","1","6","6","1") = "6"
    & skf21("4","4","7","4","1","6","7","1") = "6"
    & skf21("4","4","7","4","1","7","1","1") = "6"
    & skf21("4","4","7","4","1","7","2","1") = "6"
    & skf21("4","4","7","4","1","7","3","1") = "6"
    & skf21("4","4","7","4","1","7","4","1") = "6"
    & skf21("4","4","7","4","1","7","5","1") = "6"
    & skf21("4","4","7","4","1","7","6","1") = "6"
    & skf21("4","4","7","4","1","7","7","1") = "6"
    & skf21("4","4","7","4","2","1","1","1") = "6"
    & skf21("4","4","7","4","2","1","2","1") = "6"
    & skf21("4","4","7","4","2","1","3","1") = "6"
    & skf21("4","4","7","4","2","1","4","1") = "6"
    & skf21("4","4","7","4","2","1","5","1") = "6"
    & skf21("4","4","7","4","2","1","6","1") = "6"
    & skf21("4","4","7","4","2","1","7","1") = "6"
    & skf21("4","4","7","4","2","2","1","1") = "6"
    & skf21("4","4","7","4","2","2","2","1") = "6"
    & skf21("4","4","7","4","2","2","3","1") = "6"
    & skf21("4","4","7","4","2","2","4","1") = "6"
    & skf21("4","4","7","4","2","2","5","1") = "6"
    & skf21("4","4","7","4","2","2","6","1") = "6"
    & skf21("4","4","7","4","2","2","7","1") = "6"
    & skf21("4","4","7","4","2","3","1","1") = "6"
    & skf21("4","4","7","4","2","3","2","1") = "6"
    & skf21("4","4","7","4","2","3","3","1") = "6"
    & skf21("4","4","7","4","2","3","4","1") = "6"
    & skf21("4","4","7","4","2","3","5","1") = "6"
    & skf21("4","4","7","4","2","3","6","1") = "6"
    & skf21("4","4","7","4","2","3","7","1") = "6"
    & skf21("4","4","7","4","2","4","1","1") = "6"
    & skf21("4","4","7","4","2","4","2","1") = "6"
    & skf21("4","4","7","4","2","4","3","1") = "6"
    & skf21("4","4","7","4","2","4","4","1") = "6"
    & skf21("4","4","7","4","2","4","5","1") = "6"
    & skf21("4","4","7","4","2","4","6","1") = "6"
    & skf21("4","4","7","4","2","4","7","1") = "6"
    & skf21("4","4","7","4","2","5","1","1") = "6"
    & skf21("4","4","7","4","2","5","2","1") = "6"
    & skf21("4","4","7","4","2","5","3","1") = "6"
    & skf21("4","4","7","4","2","5","4","1") = "6"
    & skf21("4","4","7","4","2","5","5","1") = "6"
    & skf21("4","4","7","4","2","5","6","1") = "6"
    & skf21("4","4","7","4","2","5","7","1") = "6"
    & skf21("4","4","7","4","2","6","1","1") = "6"
    & skf21("4","4","7","4","2","6","2","1") = "6"
    & skf21("4","4","7","4","2","6","3","1") = "6"
    & skf21("4","4","7","4","2","6","4","1") = "6"
    & skf21("4","4","7","4","2","6","5","1") = "6"
    & skf21("4","4","7","4","2","6","6","1") = "6"
    & skf21("4","4","7","4","2","6","7","1") = "6"
    & skf21("4","4","7","4","2","7","1","1") = "6"
    & skf21("4","4","7","4","2","7","2","1") = "6"
    & skf21("4","4","7","4","2","7","3","1") = "6"
    & skf21("4","4","7","4","2","7","4","1") = "6"
    & skf21("4","4","7","4","2","7","5","1") = "6"
    & skf21("4","4","7","4","2","7","6","1") = "6"
    & skf21("4","4","7","4","2","7","7","1") = "6"
    & skf21("4","4","7","4","3","1","1","1") = "6"
    & skf21("4","4","7","4","3","1","2","1") = "6"
    & skf21("4","4","7","4","3","1","3","1") = "6"
    & skf21("4","4","7","4","3","1","4","1") = "6"
    & skf21("4","4","7","4","3","1","5","1") = "6"
    & skf21("4","4","7","4","3","1","6","1") = "6"
    & skf21("4","4","7","4","3","1","7","1") = "6"
    & skf21("4","4","7","4","3","2","1","1") = "6"
    & skf21("4","4","7","4","3","2","2","1") = "6"
    & skf21("4","4","7","4","3","2","3","1") = "6"
    & skf21("4","4","7","4","3","2","4","1") = "6"
    & skf21("4","4","7","4","3","2","5","1") = "6"
    & skf21("4","4","7","4","3","2","6","1") = "6"
    & skf21("4","4","7","4","3","2","7","1") = "6"
    & skf21("4","4","7","4","3","3","1","1") = "6"
    & skf21("4","4","7","4","3","3","2","1") = "6"
    & skf21("4","4","7","4","3","3","3","1") = "6"
    & skf21("4","4","7","4","3","3","4","1") = "6"
    & skf21("4","4","7","4","3","3","5","1") = "6"
    & skf21("4","4","7","4","3","3","6","1") = "6"
    & skf21("4","4","7","4","3","3","7","1") = "6"
    & skf21("4","4","7","4","3","4","1","1") = "6"
    & skf21("4","4","7","4","3","4","2","1") = "6"
    & skf21("4","4","7","4","3","4","3","1") = "6"
    & skf21("4","4","7","4","3","4","4","1") = "6"
    & skf21("4","4","7","4","3","4","5","1") = "6"
    & skf21("4","4","7","4","3","4","6","1") = "6"
    & skf21("4","4","7","4","3","4","7","1") = "6"
    & skf21("4","4","7","4","3","5","1","1") = "6"
    & skf21("4","4","7","4","3","5","2","1") = "6"
    & skf21("4","4","7","4","3","5","3","1") = "6"
    & skf21("4","4","7","4","3","5","4","1") = "6"
    & skf21("4","4","7","4","3","5","5","1") = "6"
    & skf21("4","4","7","4","3","5","6","1") = "6"
    & skf21("4","4","7","4","3","5","7","1") = "6"
    & skf21("4","4","7","4","3","6","1","1") = "6"
    & skf21("4","4","7","4","3","6","2","1") = "6"
    & skf21("4","4","7","4","3","6","3","1") = "6"
    & skf21("4","4","7","4","3","6","4","1") = "6"
    & skf21("4","4","7","4","3","6","5","1") = "6"
    & skf21("4","4","7","4","3","6","6","1") = "6"
    & skf21("4","4","7","4","3","6","7","1") = "6"
    & skf21("4","4","7","4","3","7","1","1") = "6"
    & skf21("4","4","7","4","3","7","2","1") = "6"
    & skf21("4","4","7","4","3","7","3","1") = "6"
    & skf21("4","4","7","4","3","7","4","1") = "6"
    & skf21("4","4","7","4","3","7","5","1") = "6"
    & skf21("4","4","7","4","3","7","6","1") = "6"
    & skf21("4","4","7","4","3","7","7","1") = "6"
    & skf21("4","4","7","4","4","1","1","1") = "6"
    & skf21("4","4","7","4","4","1","2","1") = "6"
    & skf21("4","4","7","4","4","1","3","1") = "6"
    & skf21("4","4","7","4","4","1","4","1") = "6"
    & skf21("4","4","7","4","4","1","5","1") = "6"
    & skf21("4","4","7","4","4","1","6","1") = "6"
    & skf21("4","4","7","4","4","1","7","1") = "6"
    & skf21("4","4","7","4","4","2","1","1") = "6"
    & skf21("4","4","7","4","4","2","2","1") = "6"
    & skf21("4","4","7","4","4","2","3","1") = "6"
    & skf21("4","4","7","4","4","2","4","1") = "6"
    & skf21("4","4","7","4","4","2","5","1") = "6"
    & skf21("4","4","7","4","4","2","6","1") = "6"
    & skf21("4","4","7","4","4","2","7","1") = "6"
    & skf21("4","4","7","4","4","3","1","1") = "6"
    & skf21("4","4","7","4","4","3","2","1") = "6"
    & skf21("4","4","7","4","4","3","3","1") = "6"
    & skf21("4","4","7","4","4","3","4","1") = "6"
    & skf21("4","4","7","4","4","3","5","1") = "6"
    & skf21("4","4","7","4","4","3","6","1") = "6"
    & skf21("4","4","7","4","4","3","7","1") = "6"
    & skf21("4","4","7","4","4","4","1","1") = "6"
    & skf21("4","4","7","4","4","4","2","1") = "6"
    & skf21("4","4","7","4","4","4","3","1") = "6"
    & skf21("4","4","7","4","4","4","4","1") = "6"
    & skf21("4","4","7","4","4","4","5","1") = "6"
    & skf21("4","4","7","4","4","4","6","1") = "6"
    & skf21("4","4","7","4","4","4","7","1") = "6"
    & skf21("4","4","7","4","4","5","1","1") = "6"
    & skf21("4","4","7","4","4","5","2","1") = "6"
    & skf21("4","4","7","4","4","5","3","1") = "6"
    & skf21("4","4","7","4","4","5","4","1") = "6"
    & skf21("4","4","7","4","4","5","5","1") = "6"
    & skf21("4","4","7","4","4","5","6","1") = "6"
    & skf21("4","4","7","4","4","5","7","1") = "6"
    & skf21("4","4","7","4","4","6","1","1") = "6"
    & skf21("4","4","7","4","4","6","2","1") = "6"
    & skf21("4","4","7","4","4","6","3","1") = "6"
    & skf21("4","4","7","4","4","6","4","1") = "6"
    & skf21("4","4","7","4","4","6","5","1") = "6"
    & skf21("4","4","7","4","4","6","6","1") = "6"
    & skf21("4","4","7","4","4","6","7","1") = "6"
    & skf21("4","4","7","4","4","7","1","1") = "6"
    & skf21("4","4","7","4","4","7","2","1") = "6"
    & skf21("4","4","7","4","4","7","3","1") = "6"
    & skf21("4","4","7","4","4","7","4","1") = "6"
    & skf21("4","4","7","4","4","7","5","1") = "6"
    & skf21("4","4","7","4","4","7","6","1") = "6"
    & skf21("4","4","7","4","4","7","7","1") = "6"
    & skf21("4","4","7","4","5","1","1","1") = "6"
    & skf21("4","4","7","4","5","1","2","1") = "6"
    & skf21("4","4","7","4","5","1","3","1") = "6"
    & skf21("4","4","7","4","5","1","4","1") = "6"
    & skf21("4","4","7","4","5","1","5","1") = "6"
    & skf21("4","4","7","4","5","1","6","1") = "6"
    & skf21("4","4","7","4","5","1","7","1") = "6"
    & skf21("4","4","7","4","5","2","1","1") = "6"
    & skf21("4","4","7","4","5","2","2","1") = "6"
    & skf21("4","4","7","4","5","2","3","1") = "6"
    & skf21("4","4","7","4","5","2","4","1") = "6"
    & skf21("4","4","7","4","5","2","5","1") = "6"
    & skf21("4","4","7","4","5","2","6","1") = "6"
    & skf21("4","4","7","4","5","2","7","1") = "6"
    & skf21("4","4","7","4","5","3","1","1") = "6"
    & skf21("4","4","7","4","5","3","2","1") = "6"
    & skf21("4","4","7","4","5","3","3","1") = "6"
    & skf21("4","4","7","4","5","3","4","1") = "6"
    & skf21("4","4","7","4","5","3","5","1") = "6"
    & skf21("4","4","7","4","5","3","6","1") = "6"
    & skf21("4","4","7","4","5","3","7","1") = "6"
    & skf21("4","4","7","4","5","4","1","1") = "6"
    & skf21("4","4","7","4","5","4","2","1") = "6"
    & skf21("4","4","7","4","5","4","3","1") = "6"
    & skf21("4","4","7","4","5","4","4","1") = "6"
    & skf21("4","4","7","4","5","4","5","1") = "6"
    & skf21("4","4","7","4","5","4","6","1") = "6"
    & skf21("4","4","7","4","5","4","7","1") = "6"
    & skf21("4","4","7","4","5","5","1","1") = "6"
    & skf21("4","4","7","4","5","5","2","1") = "6"
    & skf21("4","4","7","4","5","5","3","1") = "6"
    & skf21("4","4","7","4","5","5","4","1") = "6"
    & skf21("4","4","7","4","5","5","5","1") = "6"
    & skf21("4","4","7","4","5","5","6","1") = "6"
    & skf21("4","4","7","4","5","5","7","1") = "6"
    & skf21("4","4","7","4","5","6","1","1") = "6"
    & skf21("4","4","7","4","5","6","2","1") = "6"
    & skf21("4","4","7","4","5","6","3","1") = "6"
    & skf21("4","4","7","4","5","6","4","1") = "6"
    & skf21("4","4","7","4","5","6","5","1") = "6"
    & skf21("4","4","7","4","5","6","6","1") = "6"
    & skf21("4","4","7","4","5","6","7","1") = "6"
    & skf21("4","4","7","4","5","7","1","1") = "6"
    & skf21("4","4","7","4","5","7","2","1") = "6"
    & skf21("4","4","7","4","5","7","3","1") = "6"
    & skf21("4","4","7","4","5","7","4","1") = "6"
    & skf21("4","4","7","4","5","7","5","1") = "6"
    & skf21("4","4","7","4","5","7","6","1") = "6"
    & skf21("4","4","7","4","5","7","7","1") = "6"
    & skf21("4","4","7","4","6","1","1","1") = "6"
    & skf21("4","4","7","4","6","1","2","1") = "6"
    & skf21("4","4","7","4","6","1","3","1") = "6"
    & skf21("4","4","7","4","6","1","4","1") = "6"
    & skf21("4","4","7","4","6","1","5","1") = "6"
    & skf21("4","4","7","4","6","1","6","1") = "6"
    & skf21("4","4","7","4","6","1","7","1") = "6"
    & skf21("4","4","7","4","6","2","1","1") = "6"
    & skf21("4","4","7","4","6","2","2","1") = "6"
    & skf21("4","4","7","4","6","2","3","1") = "6"
    & skf21("4","4","7","4","6","2","4","1") = "6"
    & skf21("4","4","7","4","6","2","5","1") = "6"
    & skf21("4","4","7","4","6","2","6","1") = "6"
    & skf21("4","4","7","4","6","2","7","1") = "6"
    & skf21("4","4","7","4","6","3","1","1") = "6"
    & skf21("4","4","7","4","6","3","2","1") = "6"
    & skf21("4","4","7","4","6","3","3","1") = "6"
    & skf21("4","4","7","4","6","3","4","1") = "6"
    & skf21("4","4","7","4","6","3","5","1") = "6"
    & skf21("4","4","7","4","6","3","6","1") = "6"
    & skf21("4","4","7","4","6","3","7","1") = "6"
    & skf21("4","4","7","4","6","4","1","1") = "6"
    & skf21("4","4","7","4","6","4","2","1") = "6"
    & skf21("4","4","7","4","6","4","3","1") = "6"
    & skf21("4","4","7","4","6","4","4","1") = "6"
    & skf21("4","4","7","4","6","4","5","1") = "6"
    & skf21("4","4","7","4","6","4","6","1") = "6"
    & skf21("4","4","7","4","6","4","7","1") = "6"
    & skf21("4","4","7","4","6","5","1","1") = "6"
    & skf21("4","4","7","4","6","5","2","1") = "6"
    & skf21("4","4","7","4","6","5","3","1") = "6"
    & skf21("4","4","7","4","6","5","4","1") = "6"
    & skf21("4","4","7","4","6","5","5","1") = "6"
    & skf21("4","4","7","4","6","5","6","1") = "6"
    & skf21("4","4","7","4","6","5","7","1") = "6"
    & skf21("4","4","7","4","6","6","1","1") = "6"
    & skf21("4","4","7","4","6","6","2","1") = "6"
    & skf21("4","4","7","4","6","6","3","1") = "6"
    & skf21("4","4","7","4","6","6","4","1") = "6"
    & skf21("4","4","7","4","6","6","5","1") = "6"
    & skf21("4","4","7","4","6","6","6","1") = "6"
    & skf21("4","4","7","4","6","6","7","1") = "6"
    & skf21("4","4","7","4","6","7","1","1") = "6"
    & skf21("4","4","7","4","6","7","2","1") = "6"
    & skf21("4","4","7","4","6","7","3","1") = "6"
    & skf21("4","4","7","4","6","7","4","1") = "6"
    & skf21("4","4","7","4","6","7","5","1") = "6"
    & skf21("4","4","7","4","6","7","6","1") = "6"
    & skf21("4","4","7","4","6","7","7","1") = "6"
    & skf21("4","4","7","4","7","1","1","1") = "6"
    & skf21("4","4","7","4","7","1","2","1") = "6"
    & skf21("4","4","7","4","7","1","3","1") = "6"
    & skf21("4","4","7","4","7","1","4","1") = "6"
    & skf21("4","4","7","4","7","1","5","1") = "6"
    & skf21("4","4","7","4","7","1","6","1") = "6"
    & skf21("4","4","7","4","7","1","7","1") = "6"
    & skf21("4","4","7","4","7","2","1","1") = "6"
    & skf21("4","4","7","4","7","2","2","1") = "6"
    & skf21("4","4","7","4","7","2","3","1") = "6"
    & skf21("4","4","7","4","7","2","4","1") = "6"
    & skf21("4","4","7","4","7","2","5","1") = "6"
    & skf21("4","4","7","4","7","2","6","1") = "6"
    & skf21("4","4","7","4","7","2","7","1") = "6"
    & skf21("4","4","7","4","7","3","1","1") = "6"
    & skf21("4","4","7","4","7","3","2","1") = "6"
    & skf21("4","4","7","4","7","3","3","1") = "6"
    & skf21("4","4","7","4","7","3","4","1") = "6"
    & skf21("4","4","7","4","7","3","5","1") = "6"
    & skf21("4","4","7","4","7","3","6","1") = "6"
    & skf21("4","4","7","4","7","3","7","1") = "6"
    & skf21("4","4","7","4","7","4","1","1") = "6"
    & skf21("4","4","7","4","7","4","2","1") = "6"
    & skf21("4","4","7","4","7","4","3","1") = "6"
    & skf21("4","4","7","4","7","4","4","1") = "6"
    & skf21("4","4","7","4","7","4","5","1") = "6"
    & skf21("4","4","7","4","7","4","6","1") = "6"
    & skf21("4","4","7","4","7","4","7","1") = "6"
    & skf21("4","4","7","4","7","5","1","1") = "6"
    & skf21("4","4","7","4","7","5","2","1") = "6"
    & skf21("4","4","7","4","7","5","3","1") = "6"
    & skf21("4","4","7","4","7","5","4","1") = "6"
    & skf21("4","4","7","4","7","5","5","1") = "6"
    & skf21("4","4","7","4","7","5","6","1") = "6"
    & skf21("4","4","7","4","7","5","7","1") = "6"
    & skf21("4","4","7","4","7","6","1","1") = "6"
    & skf21("4","4","7","4","7","6","2","1") = "6"
    & skf21("4","4","7","4","7","6","3","1") = "6"
    & skf21("4","4","7","4","7","6","4","1") = "6"
    & skf21("4","4","7","4","7","6","5","1") = "6"
    & skf21("4","4","7","4","7","6","6","1") = "6"
    & skf21("4","4","7","4","7","6","7","1") = "6"
    & skf21("4","4","7","4","7","7","1","1") = "6"
    & skf21("4","4","7","4","7","7","2","1") = "6"
    & skf21("4","4","7","4","7","7","3","1") = "6"
    & skf21("4","4","7","4","7","7","4","1") = "6"
    & skf21("4","4","7","4","7","7","5","1") = "6"
    & skf21("4","4","7","4","7","7","6","1") = "6"
    & skf21("4","4","7","4","7","7","7","1") = "6"
    & skf21("4","4","7","5","1","1","1","1") = "6"
    & skf21("4","4","7","5","1","1","2","1") = "6"
    & skf21("4","4","7","5","1","1","3","1") = "6"
    & skf21("4","4","7","5","1","1","4","1") = "6"
    & skf21("4","4","7","5","1","1","5","1") = "6"
    & skf21("4","4","7","5","1","1","6","1") = "6"
    & skf21("4","4","7","5","1","1","7","1") = "6"
    & skf21("4","4","7","5","1","2","1","1") = "6"
    & skf21("4","4","7","5","1","2","2","1") = "6"
    & skf21("4","4","7","5","1","2","3","1") = "6"
    & skf21("4","4","7","5","1","2","4","1") = "6"
    & skf21("4","4","7","5","1","2","5","1") = "6"
    & skf21("4","4","7","5","1","2","6","1") = "6"
    & skf21("4","4","7","5","1","2","7","1") = "6"
    & skf21("4","4","7","5","1","3","1","1") = "6"
    & skf21("4","4","7","5","1","3","2","1") = "6"
    & skf21("4","4","7","5","1","3","3","1") = "6"
    & skf21("4","4","7","5","1","3","4","1") = "6"
    & skf21("4","4","7","5","1","3","5","1") = "6"
    & skf21("4","4","7","5","1","3","6","1") = "6"
    & skf21("4","4","7","5","1","3","7","1") = "6"
    & skf21("4","4","7","5","1","4","1","1") = "6"
    & skf21("4","4","7","5","1","4","2","1") = "6"
    & skf21("4","4","7","5","1","4","3","1") = "6"
    & skf21("4","4","7","5","1","4","4","1") = "6"
    & skf21("4","4","7","5","1","4","5","1") = "6"
    & skf21("4","4","7","5","1","4","6","1") = "6"
    & skf21("4","4","7","5","1","4","7","1") = "6"
    & skf21("4","4","7","5","1","5","1","1") = "6"
    & skf21("4","4","7","5","1","5","2","1") = "6"
    & skf21("4","4","7","5","1","5","3","1") = "6"
    & skf21("4","4","7","5","1","5","4","1") = "6"
    & skf21("4","4","7","5","1","5","5","1") = "6"
    & skf21("4","4","7","5","1","5","6","1") = "6"
    & skf21("4","4","7","5","1","5","7","1") = "6"
    & skf21("4","4","7","5","1","6","1","1") = "6"
    & skf21("4","4","7","5","1","6","2","1") = "6"
    & skf21("4","4","7","5","1","6","3","1") = "6"
    & skf21("4","4","7","5","1","6","4","1") = "6"
    & skf21("4","4","7","5","1","6","5","1") = "6"
    & skf21("4","4","7","5","1","6","6","1") = "6"
    & skf21("4","4","7","5","1","6","7","1") = "6"
    & skf21("4","4","7","5","1","7","1","1") = "6"
    & skf21("4","4","7","5","1","7","2","1") = "6"
    & skf21("4","4","7","5","1","7","3","1") = "6"
    & skf21("4","4","7","5","1","7","4","1") = "6"
    & skf21("4","4","7","5","1","7","5","1") = "6"
    & skf21("4","4","7","5","1","7","6","1") = "6"
    & skf21("4","4","7","5","1","7","7","1") = "6"
    & skf21("4","4","7","5","2","1","1","1") = "6"
    & skf21("4","4","7","5","2","1","2","1") = "6"
    & skf21("4","4","7","5","2","1","3","1") = "6"
    & skf21("4","4","7","5","2","1","4","1") = "6"
    & skf21("4","4","7","5","2","1","5","1") = "6"
    & skf21("4","4","7","5","2","1","6","1") = "6"
    & skf21("4","4","7","5","2","1","7","1") = "6"
    & skf21("4","4","7","5","2","2","1","1") = "6"
    & skf21("4","4","7","5","2","2","2","1") = "6"
    & skf21("4","4","7","5","2","2","3","1") = "6"
    & skf21("4","4","7","5","2","2","4","1") = "6"
    & skf21("4","4","7","5","2","2","5","1") = "6"
    & skf21("4","4","7","5","2","2","6","1") = "6"
    & skf21("4","4","7","5","2","2","7","1") = "6"
    & skf21("4","4","7","5","2","3","1","1") = "6"
    & skf21("4","4","7","5","2","3","2","1") = "6"
    & skf21("4","4","7","5","2","3","3","1") = "6"
    & skf21("4","4","7","5","2","3","4","1") = "6"
    & skf21("4","4","7","5","2","3","5","1") = "6"
    & skf21("4","4","7","5","2","3","6","1") = "6"
    & skf21("4","4","7","5","2","3","7","1") = "6"
    & skf21("4","4","7","5","2","4","1","1") = "6"
    & skf21("4","4","7","5","2","4","2","1") = "6"
    & skf21("4","4","7","5","2","4","3","1") = "6"
    & skf21("4","4","7","5","2","4","4","1") = "6"
    & skf21("4","4","7","5","2","4","5","1") = "6"
    & skf21("4","4","7","5","2","4","6","1") = "6"
    & skf21("4","4","7","5","2","4","7","1") = "6"
    & skf21("4","4","7","5","2","5","1","1") = "6"
    & skf21("4","4","7","5","2","5","2","1") = "6"
    & skf21("4","4","7","5","2","5","3","1") = "6"
    & skf21("4","4","7","5","2","5","4","1") = "6"
    & skf21("4","4","7","5","2","5","5","1") = "6"
    & skf21("4","4","7","5","2","5","6","1") = "6"
    & skf21("4","4","7","5","2","5","7","1") = "6"
    & skf21("4","4","7","5","2","6","1","1") = "6"
    & skf21("4","4","7","5","2","6","2","1") = "6"
    & skf21("4","4","7","5","2","6","3","1") = "6"
    & skf21("4","4","7","5","2","6","4","1") = "6"
    & skf21("4","4","7","5","2","6","5","1") = "6"
    & skf21("4","4","7","5","2","6","6","1") = "6"
    & skf21("4","4","7","5","2","6","7","1") = "6"
    & skf21("4","4","7","5","2","7","1","1") = "6"
    & skf21("4","4","7","5","2","7","2","1") = "6"
    & skf21("4","4","7","5","2","7","3","1") = "6"
    & skf21("4","4","7","5","2","7","4","1") = "6"
    & skf21("4","4","7","5","2","7","5","1") = "6"
    & skf21("4","4","7","5","2","7","6","1") = "6"
    & skf21("4","4","7","5","2","7","7","1") = "6"
    & skf21("4","4","7","5","3","1","1","1") = "6"
    & skf21("4","4","7","5","3","1","2","1") = "6"
    & skf21("4","4","7","5","3","1","3","1") = "6"
    & skf21("4","4","7","5","3","1","4","1") = "6"
    & skf21("4","4","7","5","3","1","5","1") = "6"
    & skf21("4","4","7","5","3","1","6","1") = "6"
    & skf21("4","4","7","5","3","1","7","1") = "6"
    & skf21("4","4","7","5","3","2","1","1") = "6"
    & skf21("4","4","7","5","3","2","2","1") = "6"
    & skf21("4","4","7","5","3","2","3","1") = "6"
    & skf21("4","4","7","5","3","2","4","1") = "6"
    & skf21("4","4","7","5","3","2","5","1") = "6"
    & skf21("4","4","7","5","3","2","6","1") = "6"
    & skf21("4","4","7","5","3","2","7","1") = "6"
    & skf21("4","4","7","5","3","3","1","1") = "6"
    & skf21("4","4","7","5","3","3","2","1") = "6"
    & skf21("4","4","7","5","3","3","3","1") = "6"
    & skf21("4","4","7","5","3","3","4","1") = "6"
    & skf21("4","4","7","5","3","3","5","1") = "6"
    & skf21("4","4","7","5","3","3","6","1") = "6"
    & skf21("4","4","7","5","3","3","7","1") = "6"
    & skf21("4","4","7","5","3","4","1","1") = "6"
    & skf21("4","4","7","5","3","4","2","1") = "6"
    & skf21("4","4","7","5","3","4","3","1") = "6"
    & skf21("4","4","7","5","3","4","4","1") = "6"
    & skf21("4","4","7","5","3","4","5","1") = "6"
    & skf21("4","4","7","5","3","4","6","1") = "6"
    & skf21("4","4","7","5","3","4","7","1") = "6"
    & skf21("4","4","7","5","3","5","1","1") = "6"
    & skf21("4","4","7","5","3","5","2","1") = "6"
    & skf21("4","4","7","5","3","5","3","1") = "6"
    & skf21("4","4","7","5","3","5","4","1") = "6"
    & skf21("4","4","7","5","3","5","5","1") = "6"
    & skf21("4","4","7","5","3","5","6","1") = "6"
    & skf21("4","4","7","5","3","5","7","1") = "6"
    & skf21("4","4","7","5","3","6","1","1") = "6"
    & skf21("4","4","7","5","3","6","2","1") = "6"
    & skf21("4","4","7","5","3","6","3","1") = "6"
    & skf21("4","4","7","5","3","6","4","1") = "6"
    & skf21("4","4","7","5","3","6","5","1") = "6"
    & skf21("4","4","7","5","3","6","6","1") = "6"
    & skf21("4","4","7","5","3","6","7","1") = "6"
    & skf21("4","4","7","5","3","7","1","1") = "6"
    & skf21("4","4","7","5","3","7","2","1") = "6"
    & skf21("4","4","7","5","3","7","3","1") = "6"
    & skf21("4","4","7","5","3","7","4","1") = "6"
    & skf21("4","4","7","5","3","7","5","1") = "6"
    & skf21("4","4","7","5","3","7","6","1") = "6"
    & skf21("4","4","7","5","3","7","7","1") = "6"
    & skf21("4","4","7","5","4","1","1","1") = "6"
    & skf21("4","4","7","5","4","1","2","1") = "6"
    & skf21("4","4","7","5","4","1","3","1") = "6"
    & skf21("4","4","7","5","4","1","4","1") = "6"
    & skf21("4","4","7","5","4","1","5","1") = "6"
    & skf21("4","4","7","5","4","1","6","1") = "6"
    & skf21("4","4","7","5","4","1","7","1") = "6"
    & skf21("4","4","7","5","4","2","1","1") = "6"
    & skf21("4","4","7","5","4","2","2","1") = "6"
    & skf21("4","4","7","5","4","2","3","1") = "6"
    & skf21("4","4","7","5","4","2","4","1") = "6"
    & skf21("4","4","7","5","4","2","5","1") = "6"
    & skf21("4","4","7","5","4","2","6","1") = "6"
    & skf21("4","4","7","5","4","2","7","1") = "6"
    & skf21("4","4","7","5","4","3","1","1") = "6"
    & skf21("4","4","7","5","4","3","2","1") = "6"
    & skf21("4","4","7","5","4","3","3","1") = "6"
    & skf21("4","4","7","5","4","3","4","1") = "6"
    & skf21("4","4","7","5","4","3","5","1") = "6"
    & skf21("4","4","7","5","4","3","6","1") = "6"
    & skf21("4","4","7","5","4","3","7","1") = "6"
    & skf21("4","4","7","5","4","4","1","1") = "6"
    & skf21("4","4","7","5","4","4","2","1") = "6"
    & skf21("4","4","7","5","4","4","3","1") = "6"
    & skf21("4","4","7","5","4","4","4","1") = "6"
    & skf21("4","4","7","5","4","4","5","1") = "6"
    & skf21("4","4","7","5","4","4","6","1") = "6"
    & skf21("4","4","7","5","4","4","7","1") = "6"
    & skf21("4","4","7","5","4","5","1","1") = "6"
    & skf21("4","4","7","5","4","5","2","1") = "6"
    & skf21("4","4","7","5","4","5","3","1") = "6"
    & skf21("4","4","7","5","4","5","4","1") = "6"
    & skf21("4","4","7","5","4","5","5","1") = "6"
    & skf21("4","4","7","5","4","5","6","1") = "6"
    & skf21("4","4","7","5","4","5","7","1") = "6"
    & skf21("4","4","7","5","4","6","1","1") = "6"
    & skf21("4","4","7","5","4","6","2","1") = "6"
    & skf21("4","4","7","5","4","6","3","1") = "6"
    & skf21("4","4","7","5","4","6","4","1") = "6"
    & skf21("4","4","7","5","4","6","5","1") = "6"
    & skf21("4","4","7","5","4","6","6","1") = "6"
    & skf21("4","4","7","5","4","6","7","1") = "6"
    & skf21("4","4","7","5","4","7","1","1") = "6"
    & skf21("4","4","7","5","4","7","2","1") = "6"
    & skf21("4","4","7","5","4","7","3","1") = "6"
    & skf21("4","4","7","5","4","7","4","1") = "6"
    & skf21("4","4","7","5","4","7","5","1") = "6"
    & skf21("4","4","7","5","4","7","6","1") = "6"
    & skf21("4","4","7","5","4","7","7","1") = "6"
    & skf21("4","4","7","5","5","1","1","1") = "6"
    & skf21("4","4","7","5","5","1","2","1") = "6"
    & skf21("4","4","7","5","5","1","3","1") = "6"
    & skf21("4","4","7","5","5","1","4","1") = "6"
    & skf21("4","4","7","5","5","1","5","1") = "6"
    & skf21("4","4","7","5","5","1","6","1") = "6"
    & skf21("4","4","7","5","5","1","7","1") = "6"
    & skf21("4","4","7","5","5","2","1","1") = "6"
    & skf21("4","4","7","5","5","2","2","1") = "6"
    & skf21("4","4","7","5","5","2","3","1") = "6"
    & skf21("4","4","7","5","5","2","4","1") = "6"
    & skf21("4","4","7","5","5","2","5","1") = "6"
    & skf21("4","4","7","5","5","2","6","1") = "6"
    & skf21("4","4","7","5","5","2","7","1") = "6"
    & skf21("4","4","7","5","5","3","1","1") = "6"
    & skf21("4","4","7","5","5","3","2","1") = "6"
    & skf21("4","4","7","5","5","3","3","1") = "6"
    & skf21("4","4","7","5","5","3","4","1") = "6"
    & skf21("4","4","7","5","5","3","5","1") = "6"
    & skf21("4","4","7","5","5","3","6","1") = "6"
    & skf21("4","4","7","5","5","3","7","1") = "6"
    & skf21("4","4","7","5","5","4","1","1") = "6"
    & skf21("4","4","7","5","5","4","2","1") = "6"
    & skf21("4","4","7","5","5","4","3","1") = "6"
    & skf21("4","4","7","5","5","4","4","1") = "6"
    & skf21("4","4","7","5","5","4","5","1") = "6"
    & skf21("4","4","7","5","5","4","6","1") = "6"
    & skf21("4","4","7","5","5","4","7","1") = "6"
    & skf21("4","4","7","5","5","5","1","1") = "6"
    & skf21("4","4","7","5","5","5","2","1") = "6"
    & skf21("4","4","7","5","5","5","3","1") = "6"
    & skf21("4","4","7","5","5","5","4","1") = "6"
    & skf21("4","4","7","5","5","5","5","1") = "6"
    & skf21("4","4","7","5","5","5","6","1") = "6"
    & skf21("4","4","7","5","5","5","7","1") = "6"
    & skf21("4","4","7","5","5","6","1","1") = "6"
    & skf21("4","4","7","5","5","6","2","1") = "6"
    & skf21("4","4","7","5","5","6","3","1") = "6"
    & skf21("4","4","7","5","5","6","4","1") = "6"
    & skf21("4","4","7","5","5","6","5","1") = "6"
    & skf21("4","4","7","5","5","6","6","1") = "6"
    & skf21("4","4","7","5","5","6","7","1") = "6"
    & skf21("4","4","7","5","5","7","1","1") = "6"
    & skf21("4","4","7","5","5","7","2","1") = "6"
    & skf21("4","4","7","5","5","7","3","1") = "6"
    & skf21("4","4","7","5","5","7","4","1") = "6"
    & skf21("4","4","7","5","5","7","5","1") = "6"
    & skf21("4","4","7","5","5","7","6","1") = "6"
    & skf21("4","4","7","5","5","7","7","1") = "6"
    & skf21("4","4","7","5","6","1","1","1") = "6"
    & skf21("4","4","7","5","6","1","2","1") = "6"
    & skf21("4","4","7","5","6","1","3","1") = "6"
    & skf21("4","4","7","5","6","1","4","1") = "6"
    & skf21("4","4","7","5","6","1","5","1") = "6"
    & skf21("4","4","7","5","6","1","6","1") = "6"
    & skf21("4","4","7","5","6","1","7","1") = "6"
    & skf21("4","4","7","5","6","2","1","1") = "6"
    & skf21("4","4","7","5","6","2","2","1") = "6"
    & skf21("4","4","7","5","6","2","3","1") = "6"
    & skf21("4","4","7","5","6","2","4","1") = "6"
    & skf21("4","4","7","5","6","2","5","1") = "6"
    & skf21("4","4","7","5","6","2","6","1") = "6"
    & skf21("4","4","7","5","6","2","7","1") = "6"
    & skf21("4","4","7","5","6","3","1","1") = "6"
    & skf21("4","4","7","5","6","3","2","1") = "6"
    & skf21("4","4","7","5","6","3","3","1") = "6"
    & skf21("4","4","7","5","6","3","4","1") = "6"
    & skf21("4","4","7","5","6","3","5","1") = "6"
    & skf21("4","4","7","5","6","3","6","1") = "6"
    & skf21("4","4","7","5","6","3","7","1") = "6"
    & skf21("4","4","7","5","6","4","1","1") = "6"
    & skf21("4","4","7","5","6","4","2","1") = "6"
    & skf21("4","4","7","5","6","4","3","1") = "6"
    & skf21("4","4","7","5","6","4","4","1") = "6"
    & skf21("4","4","7","5","6","4","5","1") = "6"
    & skf21("4","4","7","5","6","4","6","1") = "6"
    & skf21("4","4","7","5","6","4","7","1") = "6"
    & skf21("4","4","7","5","6","5","1","1") = "6"
    & skf21("4","4","7","5","6","5","2","1") = "6"
    & skf21("4","4","7","5","6","5","3","1") = "6"
    & skf21("4","4","7","5","6","5","4","1") = "6"
    & skf21("4","4","7","5","6","5","5","1") = "6"
    & skf21("4","4","7","5","6","5","6","1") = "6"
    & skf21("4","4","7","5","6","5","7","1") = "6"
    & skf21("4","4","7","5","6","6","1","1") = "6"
    & skf21("4","4","7","5","6","6","2","1") = "6"
    & skf21("4","4","7","5","6","6","3","1") = "6"
    & skf21("4","4","7","5","6","6","4","1") = "6"
    & skf21("4","4","7","5","6","6","5","1") = "6"
    & skf21("4","4","7","5","6","6","6","1") = "6"
    & skf21("4","4","7","5","6","6","7","1") = "6"
    & skf21("4","4","7","5","6","7","1","1") = "6"
    & skf21("4","4","7","5","6","7","2","1") = "6"
    & skf21("4","4","7","5","6","7","3","1") = "6"
    & skf21("4","4","7","5","6","7","4","1") = "6"
    & skf21("4","4","7","5","6","7","5","1") = "6"
    & skf21("4","4","7","5","6","7","6","1") = "6"
    & skf21("4","4","7","5","6","7","7","1") = "6"
    & skf21("4","4","7","5","7","1","1","1") = "6"
    & skf21("4","4","7","5","7","1","2","1") = "6"
    & skf21("4","4","7","5","7","1","3","1") = "6"
    & skf21("4","4","7","5","7","1","4","1") = "6"
    & skf21("4","4","7","5","7","1","5","1") = "6"
    & skf21("4","4","7","5","7","1","6","1") = "6"
    & skf21("4","4","7","5","7","1","7","1") = "6"
    & skf21("4","4","7","5","7","2","1","1") = "6"
    & skf21("4","4","7","5","7","2","2","1") = "6"
    & skf21("4","4","7","5","7","2","3","1") = "6"
    & skf21("4","4","7","5","7","2","4","1") = "6"
    & skf21("4","4","7","5","7","2","5","1") = "6"
    & skf21("4","4","7","5","7","2","6","1") = "6"
    & skf21("4","4","7","5","7","2","7","1") = "6"
    & skf21("4","4","7","5","7","3","1","1") = "6"
    & skf21("4","4","7","5","7","3","2","1") = "6"
    & skf21("4","4","7","5","7","3","3","1") = "6"
    & skf21("4","4","7","5","7","3","4","1") = "6"
    & skf21("4","4","7","5","7","3","5","1") = "6"
    & skf21("4","4","7","5","7","3","6","1") = "6"
    & skf21("4","4","7","5","7","3","7","1") = "6"
    & skf21("4","4","7","5","7","4","1","1") = "6"
    & skf21("4","4","7","5","7","4","2","1") = "6"
    & skf21("4","4","7","5","7","4","3","1") = "6"
    & skf21("4","4","7","5","7","4","4","1") = "6"
    & skf21("4","4","7","5","7","4","5","1") = "6"
    & skf21("4","4","7","5","7","4","6","1") = "6"
    & skf21("4","4","7","5","7","4","7","1") = "6"
    & skf21("4","4","7","5","7","5","1","1") = "6"
    & skf21("4","4","7","5","7","5","2","1") = "6"
    & skf21("4","4","7","5","7","5","3","1") = "6"
    & skf21("4","4","7","5","7","5","4","1") = "6"
    & skf21("4","4","7","5","7","5","5","1") = "6"
    & skf21("4","4","7","5","7","5","6","1") = "6"
    & skf21("4","4","7","5","7","5","7","1") = "6"
    & skf21("4","4","7","5","7","6","1","1") = "6"
    & skf21("4","4","7","5","7","6","2","1") = "6"
    & skf21("4","4","7","5","7","6","3","1") = "6"
    & skf21("4","4","7","5","7","6","4","1") = "6"
    & skf21("4","4","7","5","7","6","5","1") = "6"
    & skf21("4","4","7","5","7","6","6","1") = "6"
    & skf21("4","4","7","5","7","6","7","1") = "6"
    & skf21("4","4","7","5","7","7","1","1") = "6"
    & skf21("4","4","7","5","7","7","2","1") = "6"
    & skf21("4","4","7","5","7","7","3","1") = "6"
    & skf21("4","4","7","5","7","7","4","1") = "6"
    & skf21("4","4","7","5","7","7","5","1") = "6"
    & skf21("4","4","7","5","7","7","6","1") = "6"
    & skf21("4","4","7","5","7","7","7","1") = "6"
    & skf21("4","4","7","6","1","1","1","1") = "6"
    & skf21("4","4","7","6","1","1","2","1") = "6"
    & skf21("4","4","7","6","1","1","3","1") = "6"
    & skf21("4","4","7","6","1","1","4","1") = "6"
    & skf21("4","4","7","6","1","1","5","1") = "6"
    & skf21("4","4","7","6","1","1","6","1") = "6"
    & skf21("4","4","7","6","1","1","7","1") = "6"
    & skf21("4","4","7","6","1","2","1","1") = "6"
    & skf21("4","4","7","6","1","2","2","1") = "6"
    & skf21("4","4","7","6","1","2","3","1") = "6"
    & skf21("4","4","7","6","1","2","4","1") = "6"
    & skf21("4","4","7","6","1","2","5","1") = "6"
    & skf21("4","4","7","6","1","2","6","1") = "6"
    & skf21("4","4","7","6","1","2","7","1") = "6"
    & skf21("4","4","7","6","1","3","1","1") = "6"
    & skf21("4","4","7","6","1","3","2","1") = "6"
    & skf21("4","4","7","6","1","3","3","1") = "6"
    & skf21("4","4","7","6","1","3","4","1") = "6"
    & skf21("4","4","7","6","1","3","5","1") = "6"
    & skf21("4","4","7","6","1","3","6","1") = "6"
    & skf21("4","4","7","6","1","3","7","1") = "6"
    & skf21("4","4","7","6","1","4","1","1") = "6"
    & skf21("4","4","7","6","1","4","2","1") = "6"
    & skf21("4","4","7","6","1","4","3","1") = "6"
    & skf21("4","4","7","6","1","4","4","1") = "6"
    & skf21("4","4","7","6","1","4","5","1") = "6"
    & skf21("4","4","7","6","1","4","6","1") = "6"
    & skf21("4","4","7","6","1","4","7","1") = "6"
    & skf21("4","4","7","6","1","5","1","1") = "6"
    & skf21("4","4","7","6","1","5","2","1") = "6"
    & skf21("4","4","7","6","1","5","3","1") = "6"
    & skf21("4","4","7","6","1","5","4","1") = "6"
    & skf21("4","4","7","6","1","5","5","1") = "6"
    & skf21("4","4","7","6","1","5","6","1") = "6"
    & skf21("4","4","7","6","1","5","7","1") = "6"
    & skf21("4","4","7","6","1","6","1","1") = "6"
    & skf21("4","4","7","6","1","6","2","1") = "6"
    & skf21("4","4","7","6","1","6","3","1") = "6"
    & skf21("4","4","7","6","1","6","4","1") = "6"
    & skf21("4","4","7","6","1","6","5","1") = "6"
    & skf21("4","4","7","6","1","6","6","1") = "6"
    & skf21("4","4","7","6","1","6","7","1") = "6"
    & skf21("4","4","7","6","1","7","1","1") = "6"
    & skf21("4","4","7","6","1","7","2","1") = "6"
    & skf21("4","4","7","6","1","7","3","1") = "6"
    & skf21("4","4","7","6","1","7","4","1") = "6"
    & skf21("4","4","7","6","1","7","5","1") = "6"
    & skf21("4","4","7","6","1","7","6","1") = "6"
    & skf21("4","4","7","6","1","7","7","1") = "6"
    & skf21("4","4","7","6","2","1","1","1") = "6"
    & skf21("4","4","7","6","2","1","2","1") = "6"
    & skf21("4","4","7","6","2","1","3","1") = "6"
    & skf21("4","4","7","6","2","1","4","1") = "6"
    & skf21("4","4","7","6","2","1","5","1") = "6"
    & skf21("4","4","7","6","2","1","6","1") = "6"
    & skf21("4","4","7","6","2","1","7","1") = "6"
    & skf21("4","4","7","6","2","2","1","1") = "6"
    & skf21("4","4","7","6","2","2","2","1") = "6"
    & skf21("4","4","7","6","2","2","3","1") = "6"
    & skf21("4","4","7","6","2","2","4","1") = "6"
    & skf21("4","4","7","6","2","2","5","1") = "6"
    & skf21("4","4","7","6","2","2","6","1") = "6"
    & skf21("4","4","7","6","2","2","7","1") = "6"
    & skf21("4","4","7","6","2","3","1","1") = "6"
    & skf21("4","4","7","6","2","3","2","1") = "6"
    & skf21("4","4","7","6","2","3","3","1") = "6"
    & skf21("4","4","7","6","2","3","4","1") = "6"
    & skf21("4","4","7","6","2","3","5","1") = "6"
    & skf21("4","4","7","6","2","3","6","1") = "6"
    & skf21("4","4","7","6","2","3","7","1") = "6"
    & skf21("4","4","7","6","2","4","1","1") = "6"
    & skf21("4","4","7","6","2","4","2","1") = "6"
    & skf21("4","4","7","6","2","4","3","1") = "6"
    & skf21("4","4","7","6","2","4","4","1") = "6"
    & skf21("4","4","7","6","2","4","5","1") = "6"
    & skf21("4","4","7","6","2","4","6","1") = "6"
    & skf21("4","4","7","6","2","4","7","1") = "6"
    & skf21("4","4","7","6","2","5","1","1") = "6"
    & skf21("4","4","7","6","2","5","2","1") = "6"
    & skf21("4","4","7","6","2","5","3","1") = "6"
    & skf21("4","4","7","6","2","5","4","1") = "6"
    & skf21("4","4","7","6","2","5","5","1") = "6"
    & skf21("4","4","7","6","2","5","6","1") = "6"
    & skf21("4","4","7","6","2","5","7","1") = "6"
    & skf21("4","4","7","6","2","6","1","1") = "6"
    & skf21("4","4","7","6","2","6","2","1") = "6"
    & skf21("4","4","7","6","2","6","3","1") = "6"
    & skf21("4","4","7","6","2","6","4","1") = "6"
    & skf21("4","4","7","6","2","6","5","1") = "6"
    & skf21("4","4","7","6","2","6","6","1") = "6"
    & skf21("4","4","7","6","2","6","7","1") = "6"
    & skf21("4","4","7","6","2","7","1","1") = "6"
    & skf21("4","4","7","6","2","7","2","1") = "6"
    & skf21("4","4","7","6","2","7","3","1") = "6"
    & skf21("4","4","7","6","2","7","4","1") = "6"
    & skf21("4","4","7","6","2","7","5","1") = "6"
    & skf21("4","4","7","6","2","7","6","1") = "6"
    & skf21("4","4","7","6","2","7","7","1") = "6"
    & skf21("4","4","7","6","3","1","1","1") = "6"
    & skf21("4","4","7","6","3","1","2","1") = "6"
    & skf21("4","4","7","6","3","1","3","1") = "6"
    & skf21("4","4","7","6","3","1","4","1") = "6"
    & skf21("4","4","7","6","3","1","5","1") = "6"
    & skf21("4","4","7","6","3","1","6","1") = "6"
    & skf21("4","4","7","6","3","1","7","1") = "6"
    & skf21("4","4","7","6","3","2","1","1") = "6"
    & skf21("4","4","7","6","3","2","2","1") = "6"
    & skf21("4","4","7","6","3","2","3","1") = "6"
    & skf21("4","4","7","6","3","2","4","1") = "6"
    & skf21("4","4","7","6","3","2","5","1") = "6"
    & skf21("4","4","7","6","3","2","6","1") = "6"
    & skf21("4","4","7","6","3","2","7","1") = "6"
    & skf21("4","4","7","6","3","3","1","1") = "6"
    & skf21("4","4","7","6","3","3","2","1") = "6"
    & skf21("4","4","7","6","3","3","3","1") = "6"
    & skf21("4","4","7","6","3","3","4","1") = "6"
    & skf21("4","4","7","6","3","3","5","1") = "6"
    & skf21("4","4","7","6","3","3","6","1") = "6"
    & skf21("4","4","7","6","3","3","7","1") = "6"
    & skf21("4","4","7","6","3","4","1","1") = "6"
    & skf21("4","4","7","6","3","4","2","1") = "6"
    & skf21("4","4","7","6","3","4","3","1") = "6"
    & skf21("4","4","7","6","3","4","4","1") = "6"
    & skf21("4","4","7","6","3","4","5","1") = "6"
    & skf21("4","4","7","6","3","4","6","1") = "6"
    & skf21("4","4","7","6","3","4","7","1") = "6"
    & skf21("4","4","7","6","3","5","1","1") = "6"
    & skf21("4","4","7","6","3","5","2","1") = "6"
    & skf21("4","4","7","6","3","5","3","1") = "6"
    & skf21("4","4","7","6","3","5","4","1") = "6"
    & skf21("4","4","7","6","3","5","5","1") = "6"
    & skf21("4","4","7","6","3","5","6","1") = "6"
    & skf21("4","4","7","6","3","5","7","1") = "6"
    & skf21("4","4","7","6","3","6","1","1") = "6"
    & skf21("4","4","7","6","3","6","2","1") = "6"
    & skf21("4","4","7","6","3","6","3","1") = "6"
    & skf21("4","4","7","6","3","6","4","1") = "6"
    & skf21("4","4","7","6","3","6","5","1") = "6"
    & skf21("4","4","7","6","3","6","6","1") = "6"
    & skf21("4","4","7","6","3","6","7","1") = "6"
    & skf21("4","4","7","6","3","7","1","1") = "6"
    & skf21("4","4","7","6","3","7","2","1") = "6"
    & skf21("4","4","7","6","3","7","3","1") = "6"
    & skf21("4","4","7","6","3","7","4","1") = "6"
    & skf21("4","4","7","6","3","7","5","1") = "6"
    & skf21("4","4","7","6","3","7","6","1") = "6"
    & skf21("4","4","7","6","3","7","7","1") = "6"
    & skf21("4","4","7","6","4","1","1","1") = "6"
    & skf21("4","4","7","6","4","1","2","1") = "6"
    & skf21("4","4","7","6","4","1","3","1") = "6"
    & skf21("4","4","7","6","4","1","4","1") = "6"
    & skf21("4","4","7","6","4","1","5","1") = "6"
    & skf21("4","4","7","6","4","1","6","1") = "6"
    & skf21("4","4","7","6","4","1","7","1") = "6"
    & skf21("4","4","7","6","4","2","1","1") = "6"
    & skf21("4","4","7","6","4","2","2","1") = "6"
    & skf21("4","4","7","6","4","2","3","1") = "6"
    & skf21("4","4","7","6","4","2","4","1") = "6"
    & skf21("4","4","7","6","4","2","5","1") = "6"
    & skf21("4","4","7","6","4","2","6","1") = "6"
    & skf21("4","4","7","6","4","2","7","1") = "6"
    & skf21("4","4","7","6","4","3","1","1") = "6"
    & skf21("4","4","7","6","4","3","2","1") = "6"
    & skf21("4","4","7","6","4","3","3","1") = "6"
    & skf21("4","4","7","6","4","3","4","1") = "6"
    & skf21("4","4","7","6","4","3","5","1") = "6"
    & skf21("4","4","7","6","4","3","6","1") = "6"
    & skf21("4","4","7","6","4","3","7","1") = "6"
    & skf21("4","4","7","6","4","4","1","1") = "6"
    & skf21("4","4","7","6","4","4","2","1") = "6"
    & skf21("4","4","7","6","4","4","3","1") = "6"
    & skf21("4","4","7","6","4","4","4","1") = "6"
    & skf21("4","4","7","6","4","4","5","1") = "6"
    & skf21("4","4","7","6","4","4","6","1") = "6"
    & skf21("4","4","7","6","4","4","7","1") = "6"
    & skf21("4","4","7","6","4","5","1","1") = "6"
    & skf21("4","4","7","6","4","5","2","1") = "6"
    & skf21("4","4","7","6","4","5","3","1") = "6"
    & skf21("4","4","7","6","4","5","4","1") = "6"
    & skf21("4","4","7","6","4","5","5","1") = "6"
    & skf21("4","4","7","6","4","5","6","1") = "6"
    & skf21("4","4","7","6","4","5","7","1") = "6"
    & skf21("4","4","7","6","4","6","1","1") = "6"
    & skf21("4","4","7","6","4","6","2","1") = "6"
    & skf21("4","4","7","6","4","6","3","1") = "6"
    & skf21("4","4","7","6","4","6","4","1") = "6"
    & skf21("4","4","7","6","4","6","5","1") = "6"
    & skf21("4","4","7","6","4","6","6","1") = "6"
    & skf21("4","4","7","6","4","6","7","1") = "6"
    & skf21("4","4","7","6","4","7","1","1") = "6"
    & skf21("4","4","7","6","4","7","2","1") = "6"
    & skf21("4","4","7","6","4","7","3","1") = "6"
    & skf21("4","4","7","6","4","7","4","1") = "6"
    & skf21("4","4","7","6","4","7","5","1") = "6"
    & skf21("4","4","7","6","4","7","6","1") = "6"
    & skf21("4","4","7","6","4","7","7","1") = "6"
    & skf21("4","4","7","6","5","1","1","1") = "6"
    & skf21("4","4","7","6","5","1","2","1") = "6"
    & skf21("4","4","7","6","5","1","3","1") = "6"
    & skf21("4","4","7","6","5","1","4","1") = "6"
    & skf21("4","4","7","6","5","1","5","1") = "6"
    & skf21("4","4","7","6","5","1","6","1") = "6"
    & skf21("4","4","7","6","5","1","7","1") = "6"
    & skf21("4","4","7","6","5","2","1","1") = "6"
    & skf21("4","4","7","6","5","2","2","1") = "6"
    & skf21("4","4","7","6","5","2","3","1") = "6"
    & skf21("4","4","7","6","5","2","4","1") = "6"
    & skf21("4","4","7","6","5","2","5","1") = "6"
    & skf21("4","4","7","6","5","2","6","1") = "6"
    & skf21("4","4","7","6","5","2","7","1") = "6"
    & skf21("4","4","7","6","5","3","1","1") = "6"
    & skf21("4","4","7","6","5","3","2","1") = "6"
    & skf21("4","4","7","6","5","3","3","1") = "6"
    & skf21("4","4","7","6","5","3","4","1") = "6"
    & skf21("4","4","7","6","5","3","5","1") = "6"
    & skf21("4","4","7","6","5","3","6","1") = "6"
    & skf21("4","4","7","6","5","3","7","1") = "6"
    & skf21("4","4","7","6","5","4","1","1") = "6"
    & skf21("4","4","7","6","5","4","2","1") = "6"
    & skf21("4","4","7","6","5","4","3","1") = "6"
    & skf21("4","4","7","6","5","4","4","1") = "6"
    & skf21("4","4","7","6","5","4","5","1") = "6"
    & skf21("4","4","7","6","5","4","6","1") = "6"
    & skf21("4","4","7","6","5","4","7","1") = "6"
    & skf21("4","4","7","6","5","5","1","1") = "6"
    & skf21("4","4","7","6","5","5","2","1") = "6"
    & skf21("4","4","7","6","5","5","3","1") = "6"
    & skf21("4","4","7","6","5","5","4","1") = "6"
    & skf21("4","4","7","6","5","5","5","1") = "6"
    & skf21("4","4","7","6","5","5","6","1") = "6"
    & skf21("4","4","7","6","5","5","7","1") = "6"
    & skf21("4","4","7","6","5","6","1","1") = "6"
    & skf21("4","4","7","6","5","6","2","1") = "6"
    & skf21("4","4","7","6","5","6","3","1") = "6"
    & skf21("4","4","7","6","5","6","4","1") = "6"
    & skf21("4","4","7","6","5","6","5","1") = "6"
    & skf21("4","4","7","6","5","6","6","1") = "6"
    & skf21("4","4","7","6","5","6","7","1") = "6"
    & skf21("4","4","7","6","5","7","1","1") = "6"
    & skf21("4","4","7","6","5","7","2","1") = "6"
    & skf21("4","4","7","6","5","7","3","1") = "6"
    & skf21("4","4","7","6","5","7","4","1") = "6"
    & skf21("4","4","7","6","5","7","5","1") = "6"
    & skf21("4","4","7","6","5","7","6","1") = "6"
    & skf21("4","4","7","6","5","7","7","1") = "6"
    & skf21("4","4","7","6","6","1","1","1") = "6"
    & skf21("4","4","7","6","6","1","2","1") = "6"
    & skf21("4","4","7","6","6","1","3","1") = "6"
    & skf21("4","4","7","6","6","1","4","1") = "6"
    & skf21("4","4","7","6","6","1","5","1") = "6"
    & skf21("4","4","7","6","6","1","6","1") = "6"
    & skf21("4","4","7","6","6","1","7","1") = "6"
    & skf21("4","4","7","6","6","2","1","1") = "6"
    & skf21("4","4","7","6","6","2","2","1") = "6"
    & skf21("4","4","7","6","6","2","3","1") = "6"
    & skf21("4","4","7","6","6","2","4","1") = "6"
    & skf21("4","4","7","6","6","2","5","1") = "6"
    & skf21("4","4","7","6","6","2","6","1") = "6"
    & skf21("4","4","7","6","6","2","7","1") = "6"
    & skf21("4","4","7","6","6","3","1","1") = "6"
    & skf21("4","4","7","6","6","3","2","1") = "6"
    & skf21("4","4","7","6","6","3","3","1") = "6"
    & skf21("4","4","7","6","6","3","4","1") = "6"
    & skf21("4","4","7","6","6","3","5","1") = "6"
    & skf21("4","4","7","6","6","3","6","1") = "6"
    & skf21("4","4","7","6","6","3","7","1") = "6"
    & skf21("4","4","7","6","6","4","1","1") = "6"
    & skf21("4","4","7","6","6","4","2","1") = "6"
    & skf21("4","4","7","6","6","4","3","1") = "6"
    & skf21("4","4","7","6","6","4","4","1") = "6"
    & skf21("4","4","7","6","6","4","5","1") = "6"
    & skf21("4","4","7","6","6","4","6","1") = "6"
    & skf21("4","4","7","6","6","4","7","1") = "6"
    & skf21("4","4","7","6","6","5","1","1") = "6"
    & skf21("4","4","7","6","6","5","2","1") = "6"
    & skf21("4","4","7","6","6","5","3","1") = "6"
    & skf21("4","4","7","6","6","5","4","1") = "6"
    & skf21("4","4","7","6","6","5","5","1") = "6"
    & skf21("4","4","7","6","6","5","6","1") = "6"
    & skf21("4","4","7","6","6","5","7","1") = "6"
    & skf21("4","4","7","6","6","6","1","1") = "6"
    & skf21("4","4","7","6","6","6","2","1") = "6"
    & skf21("4","4","7","6","6","6","3","1") = "6"
    & skf21("4","4","7","6","6","6","4","1") = "6"
    & skf21("4","4","7","6","6","6","5","1") = "6"
    & skf21("4","4","7","6","6","6","6","1") = "6"
    & skf21("4","4","7","6","6","6","7","1") = "6"
    & skf21("4","4","7","6","6","7","1","1") = "6"
    & skf21("4","4","7","6","6","7","2","1") = "6"
    & skf21("4","4","7","6","6","7","3","1") = "6"
    & skf21("4","4","7","6","6","7","4","1") = "6"
    & skf21("4","4","7","6","6","7","5","1") = "6"
    & skf21("4","4","7","6","6","7","6","1") = "6"
    & skf21("4","4","7","6","6","7","7","1") = "6"
    & skf21("4","4","7","6","7","1","1","1") = "6"
    & skf21("4","4","7","6","7","1","2","1") = "6"
    & skf21("4","4","7","6","7","1","3","1") = "6"
    & skf21("4","4","7","6","7","1","4","1") = "6"
    & skf21("4","4","7","6","7","1","5","1") = "6"
    & skf21("4","4","7","6","7","1","6","1") = "6"
    & skf21("4","4","7","6","7","1","7","1") = "6"
    & skf21("4","4","7","6","7","2","1","1") = "6"
    & skf21("4","4","7","6","7","2","2","1") = "6"
    & skf21("4","4","7","6","7","2","3","1") = "6"
    & skf21("4","4","7","6","7","2","4","1") = "6"
    & skf21("4","4","7","6","7","2","5","1") = "6"
    & skf21("4","4","7","6","7","2","6","1") = "6"
    & skf21("4","4","7","6","7","2","7","1") = "6"
    & skf21("4","4","7","6","7","3","1","1") = "6"
    & skf21("4","4","7","6","7","3","2","1") = "6"
    & skf21("4","4","7","6","7","3","3","1") = "6"
    & skf21("4","4","7","6","7","3","4","1") = "6"
    & skf21("4","4","7","6","7","3","5","1") = "6"
    & skf21("4","4","7","6","7","3","6","1") = "6"
    & skf21("4","4","7","6","7","3","7","1") = "6"
    & skf21("4","4","7","6","7","4","1","1") = "6"
    & skf21("4","4","7","6","7","4","2","1") = "6"
    & skf21("4","4","7","6","7","4","3","1") = "6"
    & skf21("4","4","7","6","7","4","4","1") = "6"
    & skf21("4","4","7","6","7","4","5","1") = "6"
    & skf21("4","4","7","6","7","4","6","1") = "6"
    & skf21("4","4","7","6","7","4","7","1") = "6"
    & skf21("4","4","7","6","7","5","1","1") = "6"
    & skf21("4","4","7","6","7","5","2","1") = "6"
    & skf21("4","4","7","6","7","5","3","1") = "6"
    & skf21("4","4","7","6","7","5","4","1") = "6"
    & skf21("4","4","7","6","7","5","5","1") = "6"
    & skf21("4","4","7","6","7","5","6","1") = "6"
    & skf21("4","4","7","6","7","5","7","1") = "6"
    & skf21("4","4","7","6","7","6","1","1") = "6"
    & skf21("4","4","7","6","7","6","2","1") = "6"
    & skf21("4","4","7","6","7","6","3","1") = "6"
    & skf21("4","4","7","6","7","6","4","1") = "6"
    & skf21("4","4","7","6","7","6","5","1") = "6"
    & skf21("4","4","7","6","7","6","6","1") = "6"
    & skf21("4","4","7","6","7","6","7","1") = "6"
    & skf21("4","4","7","6","7","7","1","1") = "6"
    & skf21("4","4","7","6","7","7","2","1") = "6"
    & skf21("4","4","7","6","7","7","3","1") = "6"
    & skf21("4","4","7","6","7","7","4","1") = "6"
    & skf21("4","4","7","6","7","7","5","1") = "6"
    & skf21("4","4","7","6","7","7","6","1") = "6"
    & skf21("4","4","7","6","7","7","7","1") = "6"
    & skf21("4","4","7","7","1","1","1","1") = "6"
    & skf21("4","4","7","7","1","1","2","1") = "6"
    & skf21("4","4","7","7","1","1","3","1") = "6"
    & skf21("4","4","7","7","1","1","4","1") = "6"
    & skf21("4","4","7","7","1","1","5","1") = "6"
    & skf21("4","4","7","7","1","1","6","1") = "6"
    & skf21("4","4","7","7","1","1","7","1") = "6"
    & skf21("4","4","7","7","1","2","1","1") = "6"
    & skf21("4","4","7","7","1","2","2","1") = "6"
    & skf21("4","4","7","7","1","2","3","1") = "6"
    & skf21("4","4","7","7","1","2","4","1") = "6"
    & skf21("4","4","7","7","1","2","5","1") = "6"
    & skf21("4","4","7","7","1","2","6","1") = "6"
    & skf21("4","4","7","7","1","2","7","1") = "6"
    & skf21("4","4","7","7","1","3","1","1") = "6"
    & skf21("4","4","7","7","1","3","2","1") = "6"
    & skf21("4","4","7","7","1","3","3","1") = "6"
    & skf21("4","4","7","7","1","3","4","1") = "6"
    & skf21("4","4","7","7","1","3","5","1") = "6"
    & skf21("4","4","7","7","1","3","6","1") = "6"
    & skf21("4","4","7","7","1","3","7","1") = "6"
    & skf21("4","4","7","7","1","4","1","1") = "6"
    & skf21("4","4","7","7","1","4","2","1") = "6"
    & skf21("4","4","7","7","1","4","3","1") = "6"
    & skf21("4","4","7","7","1","4","4","1") = "6"
    & skf21("4","4","7","7","1","4","5","1") = "6"
    & skf21("4","4","7","7","1","4","6","1") = "6"
    & skf21("4","4","7","7","1","4","7","1") = "6"
    & skf21("4","4","7","7","1","5","1","1") = "6"
    & skf21("4","4","7","7","1","5","2","1") = "6"
    & skf21("4","4","7","7","1","5","3","1") = "6"
    & skf21("4","4","7","7","1","5","4","1") = "6"
    & skf21("4","4","7","7","1","5","5","1") = "6"
    & skf21("4","4","7","7","1","5","6","1") = "6"
    & skf21("4","4","7","7","1","5","7","1") = "6"
    & skf21("4","4","7","7","1","6","1","1") = "6"
    & skf21("4","4","7","7","1","6","2","1") = "6"
    & skf21("4","4","7","7","1","6","3","1") = "6"
    & skf21("4","4","7","7","1","6","4","1") = "6"
    & skf21("4","4","7","7","1","6","5","1") = "6"
    & skf21("4","4","7","7","1","6","6","1") = "6"
    & skf21("4","4","7","7","1","6","7","1") = "6"
    & skf21("4","4","7","7","1","7","1","1") = "6"
    & skf21("4","4","7","7","1","7","2","1") = "6"
    & skf21("4","4","7","7","1","7","3","1") = "6"
    & skf21("4","4","7","7","1","7","4","1") = "6"
    & skf21("4","4","7","7","1","7","5","1") = "6"
    & skf21("4","4","7","7","1","7","6","1") = "6"
    & skf21("4","4","7","7","1","7","7","1") = "6"
    & skf21("4","4","7","7","2","1","1","1") = "6"
    & skf21("4","4","7","7","2","1","2","1") = "6"
    & skf21("4","4","7","7","2","1","3","1") = "6"
    & skf21("4","4","7","7","2","1","4","1") = "6"
    & skf21("4","4","7","7","2","1","5","1") = "6"
    & skf21("4","4","7","7","2","1","6","1") = "6"
    & skf21("4","4","7","7","2","1","7","1") = "6"
    & skf21("4","4","7","7","2","2","1","1") = "6"
    & skf21("4","4","7","7","2","2","2","1") = "6"
    & skf21("4","4","7","7","2","2","3","1") = "6"
    & skf21("4","4","7","7","2","2","4","1") = "6"
    & skf21("4","4","7","7","2","2","5","1") = "6"
    & skf21("4","4","7","7","2","2","6","1") = "6"
    & skf21("4","4","7","7","2","2","7","1") = "6"
    & skf21("4","4","7","7","2","3","1","1") = "6"
    & skf21("4","4","7","7","2","3","2","1") = "6"
    & skf21("4","4","7","7","2","3","3","1") = "6"
    & skf21("4","4","7","7","2","3","4","1") = "6"
    & skf21("4","4","7","7","2","3","5","1") = "6"
    & skf21("4","4","7","7","2","3","6","1") = "6"
    & skf21("4","4","7","7","2","3","7","1") = "6"
    & skf21("4","4","7","7","2","4","1","1") = "6"
    & skf21("4","4","7","7","2","4","2","1") = "6"
    & skf21("4","4","7","7","2","4","3","1") = "6"
    & skf21("4","4","7","7","2","4","4","1") = "6"
    & skf21("4","4","7","7","2","4","5","1") = "6"
    & skf21("4","4","7","7","2","4","6","1") = "6"
    & skf21("4","4","7","7","2","4","7","1") = "6"
    & skf21("4","4","7","7","2","5","1","1") = "6"
    & skf21("4","4","7","7","2","5","2","1") = "6"
    & skf21("4","4","7","7","2","5","3","1") = "6"
    & skf21("4","4","7","7","2","5","4","1") = "6"
    & skf21("4","4","7","7","2","5","5","1") = "6"
    & skf21("4","4","7","7","2","5","6","1") = "6"
    & skf21("4","4","7","7","2","5","7","1") = "6"
    & skf21("4","4","7","7","2","6","1","1") = "6"
    & skf21("4","4","7","7","2","6","2","1") = "6"
    & skf21("4","4","7","7","2","6","3","1") = "6"
    & skf21("4","4","7","7","2","6","4","1") = "6"
    & skf21("4","4","7","7","2","6","5","1") = "6"
    & skf21("4","4","7","7","2","6","6","1") = "6"
    & skf21("4","4","7","7","2","6","7","1") = "6"
    & skf21("4","4","7","7","2","7","1","1") = "6"
    & skf21("4","4","7","7","2","7","2","1") = "6"
    & skf21("4","4","7","7","2","7","3","1") = "6"
    & skf21("4","4","7","7","2","7","4","1") = "6"
    & skf21("4","4","7","7","2","7","5","1") = "6"
    & skf21("4","4","7","7","2","7","6","1") = "6"
    & skf21("4","4","7","7","2","7","7","1") = "6"
    & skf21("4","4","7","7","3","1","1","1") = "6"
    & skf21("4","4","7","7","3","1","2","1") = "6"
    & skf21("4","4","7","7","3","1","3","1") = "6"
    & skf21("4","4","7","7","3","1","4","1") = "6"
    & skf21("4","4","7","7","3","1","5","1") = "6"
    & skf21("4","4","7","7","3","1","6","1") = "6"
    & skf21("4","4","7","7","3","1","7","1") = "6"
    & skf21("4","4","7","7","3","2","1","1") = "6"
    & skf21("4","4","7","7","3","2","2","1") = "6"
    & skf21("4","4","7","7","3","2","3","1") = "6"
    & skf21("4","4","7","7","3","2","4","1") = "6"
    & skf21("4","4","7","7","3","2","5","1") = "6"
    & skf21("4","4","7","7","3","2","6","1") = "6"
    & skf21("4","4","7","7","3","2","7","1") = "6"
    & skf21("4","4","7","7","3","3","1","1") = "6"
    & skf21("4","4","7","7","3","3","2","1") = "6"
    & skf21("4","4","7","7","3","3","3","1") = "6"
    & skf21("4","4","7","7","3","3","4","1") = "6"
    & skf21("4","4","7","7","3","3","5","1") = "6"
    & skf21("4","4","7","7","3","3","6","1") = "6"
    & skf21("4","4","7","7","3","3","7","1") = "6"
    & skf21("4","4","7","7","3","4","1","1") = "6"
    & skf21("4","4","7","7","3","4","2","1") = "6"
    & skf21("4","4","7","7","3","4","3","1") = "6"
    & skf21("4","4","7","7","3","4","4","1") = "6"
    & skf21("4","4","7","7","3","4","5","1") = "6"
    & skf21("4","4","7","7","3","4","6","1") = "6"
    & skf21("4","4","7","7","3","4","7","1") = "6"
    & skf21("4","4","7","7","3","5","1","1") = "6"
    & skf21("4","4","7","7","3","5","2","1") = "6"
    & skf21("4","4","7","7","3","5","3","1") = "6"
    & skf21("4","4","7","7","3","5","4","1") = "6"
    & skf21("4","4","7","7","3","5","5","1") = "6"
    & skf21("4","4","7","7","3","5","6","1") = "6"
    & skf21("4","4","7","7","3","5","7","1") = "6"
    & skf21("4","4","7","7","3","6","1","1") = "6"
    & skf21("4","4","7","7","3","6","2","1") = "6"
    & skf21("4","4","7","7","3","6","3","1") = "6"
    & skf21("4","4","7","7","3","6","4","1") = "6"
    & skf21("4","4","7","7","3","6","5","1") = "6"
    & skf21("4","4","7","7","3","6","6","1") = "6"
    & skf21("4","4","7","7","3","6","7","1") = "6"
    & skf21("4","4","7","7","3","7","1","1") = "6"
    & skf21("4","4","7","7","3","7","2","1") = "6"
    & skf21("4","4","7","7","3","7","3","1") = "6"
    & skf21("4","4","7","7","3","7","4","1") = "6"
    & skf21("4","4","7","7","3","7","5","1") = "6"
    & skf21("4","4","7","7","3","7","6","1") = "6"
    & skf21("4","4","7","7","3","7","7","1") = "6"
    & skf21("4","4","7","7","4","1","1","1") = "6"
    & skf21("4","4","7","7","4","1","2","1") = "6"
    & skf21("4","4","7","7","4","1","3","1") = "6"
    & skf21("4","4","7","7","4","1","4","1") = "6"
    & skf21("4","4","7","7","4","1","5","1") = "6"
    & skf21("4","4","7","7","4","1","6","1") = "6"
    & skf21("4","4","7","7","4","1","7","1") = "6"
    & skf21("4","4","7","7","4","2","1","1") = "6"
    & skf21("4","4","7","7","4","2","2","1") = "6"
    & skf21("4","4","7","7","4","2","3","1") = "6"
    & skf21("4","4","7","7","4","2","4","1") = "6"
    & skf21("4","4","7","7","4","2","5","1") = "6"
    & skf21("4","4","7","7","4","2","6","1") = "6"
    & skf21("4","4","7","7","4","2","7","1") = "6"
    & skf21("4","4","7","7","4","3","1","1") = "6"
    & skf21("4","4","7","7","4","3","2","1") = "6"
    & skf21("4","4","7","7","4","3","3","1") = "6"
    & skf21("4","4","7","7","4","3","4","1") = "6"
    & skf21("4","4","7","7","4","3","5","1") = "6"
    & skf21("4","4","7","7","4","3","6","1") = "6"
    & skf21("4","4","7","7","4","3","7","1") = "6"
    & skf21("4","4","7","7","4","4","1","1") = "6"
    & skf21("4","4","7","7","4","4","2","1") = "6"
    & skf21("4","4","7","7","4","4","3","1") = "6"
    & skf21("4","4","7","7","4","4","4","1") = "6"
    & skf21("4","4","7","7","4","4","5","1") = "6"
    & skf21("4","4","7","7","4","4","6","1") = "6"
    & skf21("4","4","7","7","4","4","7","1") = "6"
    & skf21("4","4","7","7","4","5","1","1") = "6"
    & skf21("4","4","7","7","4","5","2","1") = "6"
    & skf21("4","4","7","7","4","5","3","1") = "6"
    & skf21("4","4","7","7","4","5","4","1") = "6"
    & skf21("4","4","7","7","4","5","5","1") = "6"
    & skf21("4","4","7","7","4","5","6","1") = "6"
    & skf21("4","4","7","7","4","5","7","1") = "6"
    & skf21("4","4","7","7","4","6","1","1") = "6"
    & skf21("4","4","7","7","4","6","2","1") = "6"
    & skf21("4","4","7","7","4","6","3","1") = "6"
    & skf21("4","4","7","7","4","6","4","1") = "6"
    & skf21("4","4","7","7","4","6","5","1") = "6"
    & skf21("4","4","7","7","4","6","6","1") = "6"
    & skf21("4","4","7","7","4","6","7","1") = "6"
    & skf21("4","4","7","7","4","7","1","1") = "6"
    & skf21("4","4","7","7","4","7","2","1") = "6"
    & skf21("4","4","7","7","4","7","3","1") = "6"
    & skf21("4","4","7","7","4","7","4","1") = "6"
    & skf21("4","4","7","7","4","7","5","1") = "6"
    & skf21("4","4","7","7","4","7","6","1") = "6"
    & skf21("4","4","7","7","4","7","7","1") = "6"
    & skf21("4","4","7","7","5","1","1","1") = "6"
    & skf21("4","4","7","7","5","1","2","1") = "6"
    & skf21("4","4","7","7","5","1","3","1") = "6"
    & skf21("4","4","7","7","5","1","4","1") = "6"
    & skf21("4","4","7","7","5","1","5","1") = "6"
    & skf21("4","4","7","7","5","1","6","1") = "6"
    & skf21("4","4","7","7","5","1","7","1") = "6"
    & skf21("4","4","7","7","5","2","1","1") = "6"
    & skf21("4","4","7","7","5","2","2","1") = "6"
    & skf21("4","4","7","7","5","2","3","1") = "6"
    & skf21("4","4","7","7","5","2","4","1") = "6"
    & skf21("4","4","7","7","5","2","5","1") = "6"
    & skf21("4","4","7","7","5","2","6","1") = "6"
    & skf21("4","4","7","7","5","2","7","1") = "6"
    & skf21("4","4","7","7","5","3","1","1") = "6"
    & skf21("4","4","7","7","5","3","2","1") = "6"
    & skf21("4","4","7","7","5","3","3","1") = "6"
    & skf21("4","4","7","7","5","3","4","1") = "6"
    & skf21("4","4","7","7","5","3","5","1") = "6"
    & skf21("4","4","7","7","5","3","6","1") = "6"
    & skf21("4","4","7","7","5","3","7","1") = "6"
    & skf21("4","4","7","7","5","4","1","1") = "6"
    & skf21("4","4","7","7","5","4","2","1") = "6"
    & skf21("4","4","7","7","5","4","3","1") = "6"
    & skf21("4","4","7","7","5","4","4","1") = "6"
    & skf21("4","4","7","7","5","4","5","1") = "6"
    & skf21("4","4","7","7","5","4","6","1") = "6"
    & skf21("4","4","7","7","5","4","7","1") = "6"
    & skf21("4","4","7","7","5","5","1","1") = "6"
    & skf21("4","4","7","7","5","5","2","1") = "6"
    & skf21("4","4","7","7","5","5","3","1") = "6"
    & skf21("4","4","7","7","5","5","4","1") = "6"
    & skf21("4","4","7","7","5","5","5","1") = "6"
    & skf21("4","4","7","7","5","5","6","1") = "6"
    & skf21("4","4","7","7","5","5","7","1") = "6"
    & skf21("4","4","7","7","5","6","1","1") = "6"
    & skf21("4","4","7","7","5","6","2","1") = "6"
    & skf21("4","4","7","7","5","6","3","1") = "6"
    & skf21("4","4","7","7","5","6","4","1") = "6"
    & skf21("4","4","7","7","5","6","5","1") = "6"
    & skf21("4","4","7","7","5","6","6","1") = "6"
    & skf21("4","4","7","7","5","6","7","1") = "6"
    & skf21("4","4","7","7","5","7","1","1") = "6"
    & skf21("4","4","7","7","5","7","2","1") = "6"
    & skf21("4","4","7","7","5","7","3","1") = "6"
    & skf21("4","4","7","7","5","7","4","1") = "6"
    & skf21("4","4","7","7","5","7","5","1") = "6"
    & skf21("4","4","7","7","5","7","6","1") = "6"
    & skf21("4","4","7","7","5","7","7","1") = "6"
    & skf21("4","4","7","7","6","1","1","1") = "6"
    & skf21("4","4","7","7","6","1","2","1") = "6"
    & skf21("4","4","7","7","6","1","3","1") = "6"
    & skf21("4","4","7","7","6","1","4","1") = "6"
    & skf21("4","4","7","7","6","1","5","1") = "6"
    & skf21("4","4","7","7","6","1","6","1") = "6"
    & skf21("4","4","7","7","6","1","7","1") = "6"
    & skf21("4","4","7","7","6","2","1","1") = "6"
    & skf21("4","4","7","7","6","2","2","1") = "6"
    & skf21("4","4","7","7","6","2","3","1") = "6"
    & skf21("4","4","7","7","6","2","4","1") = "6"
    & skf21("4","4","7","7","6","2","5","1") = "6"
    & skf21("4","4","7","7","6","2","6","1") = "6"
    & skf21("4","4","7","7","6","2","7","1") = "6"
    & skf21("4","4","7","7","6","3","1","1") = "6"
    & skf21("4","4","7","7","6","3","2","1") = "6"
    & skf21("4","4","7","7","6","3","3","1") = "6"
    & skf21("4","4","7","7","6","3","4","1") = "6"
    & skf21("4","4","7","7","6","3","5","1") = "6"
    & skf21("4","4","7","7","6","3","6","1") = "6"
    & skf21("4","4","7","7","6","3","7","1") = "6"
    & skf21("4","4","7","7","6","4","1","1") = "6"
    & skf21("4","4","7","7","6","4","2","1") = "6"
    & skf21("4","4","7","7","6","4","3","1") = "6"
    & skf21("4","4","7","7","6","4","4","1") = "6"
    & skf21("4","4","7","7","6","4","5","1") = "6"
    & skf21("4","4","7","7","6","4","6","1") = "6"
    & skf21("4","4","7","7","6","4","7","1") = "6"
    & skf21("4","4","7","7","6","5","1","1") = "6"
    & skf21("4","4","7","7","6","5","2","1") = "6"
    & skf21("4","4","7","7","6","5","3","1") = "6"
    & skf21("4","4","7","7","6","5","4","1") = "6"
    & skf21("4","4","7","7","6","5","5","1") = "6"
    & skf21("4","4","7","7","6","5","6","1") = "6"
    & skf21("4","4","7","7","6","5","7","1") = "6"
    & skf21("4","4","7","7","6","6","1","1") = "6"
    & skf21("4","4","7","7","6","6","2","1") = "6"
    & skf21("4","4","7","7","6","6","3","1") = "6"
    & skf21("4","4","7","7","6","6","4","1") = "6"
    & skf21("4","4","7","7","6","6","5","1") = "6"
    & skf21("4","4","7","7","6","6","6","1") = "6"
    & skf21("4","4","7","7","6","6","7","1") = "6"
    & skf21("4","4","7","7","6","7","1","1") = "6"
    & skf21("4","4","7","7","6","7","2","1") = "6"
    & skf21("4","4","7","7","6","7","3","1") = "6"
    & skf21("4","4","7","7","6","7","4","1") = "6"
    & skf21("4","4","7","7","6","7","5","1") = "6"
    & skf21("4","4","7","7","6","7","6","1") = "6"
    & skf21("4","4","7","7","6","7","7","1") = "6"
    & skf21("4","4","7","7","7","1","1","1") = "6"
    & skf21("4","4","7","7","7","1","2","1") = "6"
    & skf21("4","4","7","7","7","1","3","1") = "6"
    & skf21("4","4","7","7","7","1","4","1") = "6"
    & skf21("4","4","7","7","7","1","5","1") = "6"
    & skf21("4","4","7","7","7","1","6","1") = "6"
    & skf21("4","4","7","7","7","1","7","1") = "6"
    & skf21("4","4","7","7","7","2","1","1") = "6"
    & skf21("4","4","7","7","7","2","2","1") = "6"
    & skf21("4","4","7","7","7","2","3","1") = "6"
    & skf21("4","4","7","7","7","2","4","1") = "6"
    & skf21("4","4","7","7","7","2","5","1") = "6"
    & skf21("4","4","7","7","7","2","6","1") = "6"
    & skf21("4","4","7","7","7","2","7","1") = "6"
    & skf21("4","4","7","7","7","3","1","1") = "6"
    & skf21("4","4","7","7","7","3","2","1") = "6"
    & skf21("4","4","7","7","7","3","3","1") = "6"
    & skf21("4","4","7","7","7","3","4","1") = "6"
    & skf21("4","4","7","7","7","3","5","1") = "6"
    & skf21("4","4","7","7","7","3","6","1") = "6"
    & skf21("4","4","7","7","7","3","7","1") = "6"
    & skf21("4","4","7","7","7","4","1","1") = "6"
    & skf21("4","4","7","7","7","4","2","1") = "6"
    & skf21("4","4","7","7","7","4","3","1") = "6"
    & skf21("4","4","7","7","7","4","4","1") = "6"
    & skf21("4","4","7","7","7","4","5","1") = "6"
    & skf21("4","4","7","7","7","4","6","1") = "6"
    & skf21("4","4","7","7","7","4","7","1") = "6"
    & skf21("4","4","7","7","7","5","1","1") = "6"
    & skf21("4","4","7","7","7","5","2","1") = "6"
    & skf21("4","4","7","7","7","5","3","1") = "6"
    & skf21("4","4","7","7","7","5","4","1") = "6"
    & skf21("4","4","7","7","7","5","5","1") = "6"
    & skf21("4","4","7","7","7","5","6","1") = "6"
    & skf21("4","4","7","7","7","5","7","1") = "6"
    & skf21("4","4","7","7","7","6","1","1") = "6"
    & skf21("4","4","7","7","7","6","2","1") = "6"
    & skf21("4","4","7","7","7","6","3","1") = "6"
    & skf21("4","4","7","7","7","6","4","1") = "6"
    & skf21("4","4","7","7","7","6","5","1") = "6"
    & skf21("4","4","7","7","7","6","6","1") = "6"
    & skf21("4","4","7","7","7","6","7","1") = "6"
    & skf21("4","4","7","7","7","7","1","1") = "6"
    & skf21("4","4","7","7","7","7","2","1") = "6"
    & skf21("4","4","7","7","7","7","3","1") = "6"
    & skf21("4","4","7","7","7","7","4","1") = "6"
    & skf21("4","4","7","7","7","7","5","1") = "6"
    & skf21("4","4","7","7","7","7","6","1") = "6"
    & skf21("4","4","7","7","7","7","7","1") = "6"
    & skf21("4","5","1","1","1","1","1","1") = "4"
    & skf21("4","5","1","1","1","1","2","1") = "4"
    & skf21("4","5","1","1","1","1","3","1") = "4"
    & skf21("4","5","1","1","1","1","4","1") = "4"
    & skf21("4","5","1","1","1","1","5","1") = "4"
    & skf21("4","5","1","1","1","1","6","1") = "5"
    & skf21("4","5","1","1","1","1","7","1") = "6"
    & skf21("4","5","1","1","1","2","1","1") = "4"
    & skf21("4","5","1","1","1","2","2","1") = "4"
    & skf21("4","5","1","1","1","2","3","1") = "4"
    & skf21("4","5","1","1","1","2","4","1") = "4"
    & skf21("4","5","1","1","1","2","5","1") = "4"
    & skf21("4","5","1","1","1","2","6","1") = "5"
    & skf21("4","5","1","1","1","2","7","1") = "6"
    & skf21("4","5","1","1","1","3","1","1") = "4"
    & skf21("4","5","1","1","1","3","2","1") = "4"
    & skf21("4","5","1","1","1","3","3","1") = "4"
    & skf21("4","5","1","1","1","3","4","1") = "4"
    & skf21("4","5","1","1","1","3","5","1") = "4"
    & skf21("4","5","1","1","1","3","6","1") = "5"
    & skf21("4","5","1","1","1","3","7","1") = "6"
    & skf21("4","5","1","1","1","4","1","1") = "4"
    & skf21("4","5","1","1","1","4","2","1") = "4"
    & skf21("4","5","1","1","1","4","3","1") = "4"
    & skf21("4","5","1","1","1","4","4","1") = "4"
    & skf21("4","5","1","1","1","4","5","1") = "4"
    & skf21("4","5","1","1","1","4","6","1") = "5"
    & skf21("4","5","1","1","1","4","7","1") = "6"
    & skf21("4","5","1","1","1","5","1","1") = "4"
    & skf21("4","5","1","1","1","5","2","1") = "4"
    & skf21("4","5","1","1","1","5","3","1") = "4"
    & skf21("4","5","1","1","1","5","4","1") = "4"
    & skf21("4","5","1","1","1","5","5","1") = "4"
    & skf21("4","5","1","1","1","5","6","1") = "5"
    & skf21("4","5","1","1","1","5","7","1") = "6"
    & skf21("4","5","1","1","1","6","1","1") = "5"
    & skf21("4","5","1","1","1","6","2","1") = "5"
    & skf21("4","5","1","1","1","6","3","1") = "5"
    & skf21("4","5","1","1","1","6","4","1") = "5"
    & skf21("4","5","1","1","1","6","5","1") = "5"
    & skf21("4","5","1","1","1","6","6","1") = "5"
    & skf21("4","5","1","1","1","6","7","1") = "6"
    & skf21("4","5","1","1","1","7","1","1") = "6"
    & skf21("4","5","1","1","1","7","2","1") = "6"
    & skf21("4","5","1","1","1","7","3","1") = "6"
    & skf21("4","5","1","1","1","7","4","1") = "6"
    & skf21("4","5","1","1","1","7","5","1") = "6"
    & skf21("4","5","1","1","1","7","6","1") = "6"
    & skf21("4","5","1","1","1","7","7","1") = "6"
    & skf21("4","5","1","1","2","1","1","1") = "4"
    & skf21("4","5","1","1","2","1","2","1") = "4"
    & skf21("4","5","1","1","2","1","3","1") = "4"
    & skf21("4","5","1","1","2","1","4","1") = "4"
    & skf21("4","5","1","1","2","1","5","1") = "4"
    & skf21("4","5","1","1","2","1","6","1") = "5"
    & skf21("4","5","1","1","2","1","7","1") = "6"
    & skf21("4","5","1","1","2","2","1","1") = "4"
    & skf21("4","5","1","1","2","2","2","1") = "4"
    & skf21("4","5","1","1","2","2","3","1") = "4"
    & skf21("4","5","1","1","2","2","4","1") = "4"
    & skf21("4","5","1","1","2","2","5","1") = "4"
    & skf21("4","5","1","1","2","2","6","1") = "5"
    & skf21("4","5","1","1","2","2","7","1") = "6"
    & skf21("4","5","1","1","2","3","1","1") = "4"
    & skf21("4","5","1","1","2","3","2","1") = "4"
    & skf21("4","5","1","1","2","3","3","1") = "4"
    & skf21("4","5","1","1","2","3","4","1") = "4"
    & skf21("4","5","1","1","2","3","5","1") = "4"
    & skf21("4","5","1","1","2","3","6","1") = "5"
    & skf21("4","5","1","1","2","3","7","1") = "6"
    & skf21("4","5","1","1","2","4","1","1") = "4"
    & skf21("4","5","1","1","2","4","2","1") = "4"
    & skf21("4","5","1","1","2","4","3","1") = "4"
    & skf21("4","5","1","1","2","4","4","1") = "4"
    & skf21("4","5","1","1","2","4","5","1") = "4"
    & skf21("4","5","1","1","2","4","6","1") = "5"
    & skf21("4","5","1","1","2","4","7","1") = "6"
    & skf21("4","5","1","1","2","5","1","1") = "4"
    & skf21("4","5","1","1","2","5","2","1") = "4"
    & skf21("4","5","1","1","2","5","3","1") = "4"
    & skf21("4","5","1","1","2","5","4","1") = "4"
    & skf21("4","5","1","1","2","5","5","1") = "4"
    & skf21("4","5","1","1","2","5","6","1") = "5"
    & skf21("4","5","1","1","2","5","7","1") = "6"
    & skf21("4","5","1","1","2","6","1","1") = "5"
    & skf21("4","5","1","1","2","6","2","1") = "5"
    & skf21("4","5","1","1","2","6","3","1") = "5"
    & skf21("4","5","1","1","2","6","4","1") = "5"
    & skf21("4","5","1","1","2","6","5","1") = "5"
    & skf21("4","5","1","1","2","6","6","1") = "5"
    & skf21("4","5","1","1","2","6","7","1") = "6"
    & skf21("4","5","1","1","2","7","1","1") = "6"
    & skf21("4","5","1","1","2","7","2","1") = "6"
    & skf21("4","5","1","1","2","7","3","1") = "6"
    & skf21("4","5","1","1","2","7","4","1") = "6"
    & skf21("4","5","1","1","2","7","5","1") = "6"
    & skf21("4","5","1","1","2","7","6","1") = "6"
    & skf21("4","5","1","1","2","7","7","1") = "6"
    & skf21("4","5","1","1","3","1","1","1") = "4"
    & skf21("4","5","1","1","3","1","2","1") = "4"
    & skf21("4","5","1","1","3","1","3","1") = "4"
    & skf21("4","5","1","1","3","1","4","1") = "4"
    & skf21("4","5","1","1","3","1","5","1") = "4"
    & skf21("4","5","1","1","3","1","6","1") = "5"
    & skf21("4","5","1","1","3","1","7","1") = "6"
    & skf21("4","5","1","1","3","2","1","1") = "4"
    & skf21("4","5","1","1","3","2","2","1") = "4"
    & skf21("4","5","1","1","3","2","3","1") = "4"
    & skf21("4","5","1","1","3","2","4","1") = "4"
    & skf21("4","5","1","1","3","2","5","1") = "4"
    & skf21("4","5","1","1","3","2","6","1") = "5"
    & skf21("4","5","1","1","3","2","7","1") = "6"
    & skf21("4","5","1","1","3","3","1","1") = "4"
    & skf21("4","5","1","1","3","3","2","1") = "4"
    & skf21("4","5","1","1","3","3","3","1") = "4"
    & skf21("4","5","1","1","3","3","4","1") = "4"
    & skf21("4","5","1","1","3","3","5","1") = "4"
    & skf21("4","5","1","1","3","3","6","1") = "5"
    & skf21("4","5","1","1","3","3","7","1") = "6"
    & skf21("4","5","1","1","3","4","1","1") = "4"
    & skf21("4","5","1","1","3","4","2","1") = "4"
    & skf21("4","5","1","1","3","4","3","1") = "4"
    & skf21("4","5","1","1","3","4","4","1") = "4"
    & skf21("4","5","1","1","3","4","5","1") = "4"
    & skf21("4","5","1","1","3","4","6","1") = "5"
    & skf21("4","5","1","1","3","4","7","1") = "6"
    & skf21("4","5","1","1","3","5","1","1") = "4"
    & skf21("4","5","1","1","3","5","2","1") = "4"
    & skf21("4","5","1","1","3","5","3","1") = "4"
    & skf21("4","5","1","1","3","5","4","1") = "4"
    & skf21("4","5","1","1","3","5","5","1") = "4"
    & skf21("4","5","1","1","3","5","6","1") = "5"
    & skf21("4","5","1","1","3","5","7","1") = "6"
    & skf21("4","5","1","1","3","6","1","1") = "5"
    & skf21("4","5","1","1","3","6","2","1") = "5"
    & skf21("4","5","1","1","3","6","3","1") = "5"
    & skf21("4","5","1","1","3","6","4","1") = "5"
    & skf21("4","5","1","1","3","6","5","1") = "5"
    & skf21("4","5","1","1","3","6","6","1") = "5"
    & skf21("4","5","1","1","3","6","7","1") = "6"
    & skf21("4","5","1","1","3","7","1","1") = "6"
    & skf21("4","5","1","1","3","7","2","1") = "6"
    & skf21("4","5","1","1","3","7","3","1") = "6"
    & skf21("4","5","1","1","3","7","4","1") = "6"
    & skf21("4","5","1","1","3","7","5","1") = "6"
    & skf21("4","5","1","1","3","7","6","1") = "6"
    & skf21("4","5","1","1","3","7","7","1") = "6"
    & skf21("4","5","1","1","4","1","1","1") = "4"
    & skf21("4","5","1","1","4","1","2","1") = "4"
    & skf21("4","5","1","1","4","1","3","1") = "4"
    & skf21("4","5","1","1","4","1","4","1") = "4"
    & skf21("4","5","1","1","4","1","5","1") = "4"
    & skf21("4","5","1","1","4","1","6","1") = "5"
    & skf21("4","5","1","1","4","1","7","1") = "6"
    & skf21("4","5","1","1","4","2","1","1") = "4"
    & skf21("4","5","1","1","4","2","2","1") = "4"
    & skf21("4","5","1","1","4","2","3","1") = "4"
    & skf21("4","5","1","1","4","2","4","1") = "4"
    & skf21("4","5","1","1","4","2","5","1") = "4"
    & skf21("4","5","1","1","4","2","6","1") = "5"
    & skf21("4","5","1","1","4","2","7","1") = "6"
    & skf21("4","5","1","1","4","3","1","1") = "4"
    & skf21("4","5","1","1","4","3","2","1") = "4"
    & skf21("4","5","1","1","4","3","3","1") = "4"
    & skf21("4","5","1","1","4","3","4","1") = "4"
    & skf21("4","5","1","1","4","3","5","1") = "4"
    & skf21("4","5","1","1","4","3","6","1") = "5"
    & skf21("4","5","1","1","4","3","7","1") = "6"
    & skf21("4","5","1","1","4","4","1","1") = "4"
    & skf21("4","5","1","1","4","4","2","1") = "4"
    & skf21("4","5","1","1","4","4","3","1") = "4"
    & skf21("4","5","1","1","4","4","4","1") = "4"
    & skf21("4","5","1","1","4","4","5","1") = "4"
    & skf21("4","5","1","1","4","4","6","1") = "5"
    & skf21("4","5","1","1","4","4","7","1") = "6"
    & skf21("4","5","1","1","4","5","1","1") = "4"
    & skf21("4","5","1","1","4","5","2","1") = "4"
    & skf21("4","5","1","1","4","5","3","1") = "4"
    & skf21("4","5","1","1","4","5","4","1") = "4"
    & skf21("4","5","1","1","4","5","5","1") = "4"
    & skf21("4","5","1","1","4","5","6","1") = "5"
    & skf21("4","5","1","1","4","5","7","1") = "6"
    & skf21("4","5","1","1","4","6","1","1") = "5"
    & skf21("4","5","1","1","4","6","2","1") = "5"
    & skf21("4","5","1","1","4","6","3","1") = "5"
    & skf21("4","5","1","1","4","6","4","1") = "5"
    & skf21("4","5","1","1","4","6","5","1") = "5"
    & skf21("4","5","1","1","4","6","6","1") = "5"
    & skf21("4","5","1","1","4","6","7","1") = "6"
    & skf21("4","5","1","1","4","7","1","1") = "6"
    & skf21("4","5","1","1","4","7","2","1") = "6"
    & skf21("4","5","1","1","4","7","3","1") = "6"
    & skf21("4","5","1","1","4","7","4","1") = "6"
    & skf21("4","5","1","1","4","7","5","1") = "6"
    & skf21("4","5","1","1","4","7","6","1") = "6"
    & skf21("4","5","1","1","4","7","7","1") = "6"
    & skf21("4","5","1","1","5","1","1","1") = "4"
    & skf21("4","5","1","1","5","1","2","1") = "4"
    & skf21("4","5","1","1","5","1","3","1") = "4"
    & skf21("4","5","1","1","5","1","4","1") = "4"
    & skf21("4","5","1","1","5","1","5","1") = "4"
    & skf21("4","5","1","1","5","1","6","1") = "5"
    & skf21("4","5","1","1","5","1","7","1") = "6"
    & skf21("4","5","1","1","5","2","1","1") = "4"
    & skf21("4","5","1","1","5","2","2","1") = "4"
    & skf21("4","5","1","1","5","2","3","1") = "4"
    & skf21("4","5","1","1","5","2","4","1") = "4"
    & skf21("4","5","1","1","5","2","5","1") = "4"
    & skf21("4","5","1","1","5","2","6","1") = "5"
    & skf21("4","5","1","1","5","2","7","1") = "6"
    & skf21("4","5","1","1","5","3","1","1") = "4"
    & skf21("4","5","1","1","5","3","2","1") = "4"
    & skf21("4","5","1","1","5","3","3","1") = "4"
    & skf21("4","5","1","1","5","3","4","1") = "4"
    & skf21("4","5","1","1","5","3","5","1") = "4"
    & skf21("4","5","1","1","5","3","6","1") = "5"
    & skf21("4","5","1","1","5","3","7","1") = "6"
    & skf21("4","5","1","1","5","4","1","1") = "4"
    & skf21("4","5","1","1","5","4","2","1") = "4"
    & skf21("4","5","1","1","5","4","3","1") = "4"
    & skf21("4","5","1","1","5","4","4","1") = "4"
    & skf21("4","5","1","1","5","4","5","1") = "4"
    & skf21("4","5","1","1","5","4","6","1") = "5"
    & skf21("4","5","1","1","5","4","7","1") = "6"
    & skf21("4","5","1","1","5","5","1","1") = "4"
    & skf21("4","5","1","1","5","5","2","1") = "4"
    & skf21("4","5","1","1","5","5","3","1") = "4"
    & skf21("4","5","1","1","5","5","4","1") = "4"
    & skf21("4","5","1","1","5","5","5","1") = "4"
    & skf21("4","5","1","1","5","5","6","1") = "5"
    & skf21("4","5","1","1","5","5","7","1") = "6"
    & skf21("4","5","1","1","5","6","1","1") = "5"
    & skf21("4","5","1","1","5","6","2","1") = "5"
    & skf21("4","5","1","1","5","6","3","1") = "5"
    & skf21("4","5","1","1","5","6","4","1") = "5"
    & skf21("4","5","1","1","5","6","5","1") = "5"
    & skf21("4","5","1","1","5","6","6","1") = "5"
    & skf21("4","5","1","1","5","6","7","1") = "6"
    & skf21("4","5","1","1","5","7","1","1") = "6"
    & skf21("4","5","1","1","5","7","2","1") = "6"
    & skf21("4","5","1","1","5","7","3","1") = "6"
    & skf21("4","5","1","1","5","7","4","1") = "6"
    & skf21("4","5","1","1","5","7","5","1") = "6"
    & skf21("4","5","1","1","5","7","6","1") = "6"
    & skf21("4","5","1","1","5","7","7","1") = "6"
    & skf21("4","5","1","1","6","1","1","1") = "5"
    & skf21("4","5","1","1","6","1","2","1") = "5"
    & skf21("4","5","1","1","6","1","3","1") = "5"
    & skf21("4","5","1","1","6","1","4","1") = "5"
    & skf21("4","5","1","1","6","1","5","1") = "5"
    & skf21("4","5","1","1","6","1","6","1") = "5"
    & skf21("4","5","1","1","6","1","7","1") = "6"
    & skf21("4","5","1","1","6","2","1","1") = "5"
    & skf21("4","5","1","1","6","2","2","1") = "5"
    & skf21("4","5","1","1","6","2","3","1") = "5"
    & skf21("4","5","1","1","6","2","4","1") = "5"
    & skf21("4","5","1","1","6","2","5","1") = "5"
    & skf21("4","5","1","1","6","2","6","1") = "5"
    & skf21("4","5","1","1","6","2","7","1") = "6"
    & skf21("4","5","1","1","6","3","1","1") = "5"
    & skf21("4","5","1","1","6","3","2","1") = "5"
    & skf21("4","5","1","1","6","3","3","1") = "5"
    & skf21("4","5","1","1","6","3","4","1") = "5"
    & skf21("4","5","1","1","6","3","5","1") = "5"
    & skf21("4","5","1","1","6","3","6","1") = "5"
    & skf21("4","5","1","1","6","3","7","1") = "6"
    & skf21("4","5","1","1","6","4","1","1") = "5"
    & skf21("4","5","1","1","6","4","2","1") = "5"
    & skf21("4","5","1","1","6","4","3","1") = "5"
    & skf21("4","5","1","1","6","4","4","1") = "5"
    & skf21("4","5","1","1","6","4","5","1") = "5"
    & skf21("4","5","1","1","6","4","6","1") = "5"
    & skf21("4","5","1","1","6","4","7","1") = "6"
    & skf21("4","5","1","1","6","5","1","1") = "5"
    & skf21("4","5","1","1","6","5","2","1") = "5"
    & skf21("4","5","1","1","6","5","3","1") = "5"
    & skf21("4","5","1","1","6","5","4","1") = "5"
    & skf21("4","5","1","1","6","5","5","1") = "5"
    & skf21("4","5","1","1","6","5","6","1") = "5"
    & skf21("4","5","1","1","6","5","7","1") = "6"
    & skf21("4","5","1","1","6","6","1","1") = "5"
    & skf21("4","5","1","1","6","6","2","1") = "5"
    & skf21("4","5","1","1","6","6","3","1") = "5"
    & skf21("4","5","1","1","6","6","4","1") = "5"
    & skf21("4","5","1","1","6","6","5","1") = "5"
    & skf21("4","5","1","1","6","6","6","1") = "5"
    & skf21("4","5","1","1","6","6","7","1") = "6"
    & skf21("4","5","1","1","6","7","1","1") = "6"
    & skf21("4","5","1","1","6","7","2","1") = "6"
    & skf21("4","5","1","1","6","7","3","1") = "6"
    & skf21("4","5","1","1","6","7","4","1") = "6"
    & skf21("4","5","1","1","6","7","5","1") = "6"
    & skf21("4","5","1","1","6","7","6","1") = "6"
    & skf21("4","5","1","1","6","7","7","1") = "6"
    & skf21("4","5","1","1","7","1","1","1") = "6"
    & skf21("4","5","1","1","7","1","2","1") = "6"
    & skf21("4","5","1","1","7","1","3","1") = "6"
    & skf21("4","5","1","1","7","1","4","1") = "6"
    & skf21("4","5","1","1","7","1","5","1") = "6"
    & skf21("4","5","1","1","7","1","6","1") = "6"
    & skf21("4","5","1","1","7","1","7","1") = "6"
    & skf21("4","5","1","1","7","2","1","1") = "6"
    & skf21("4","5","1","1","7","2","2","1") = "6"
    & skf21("4","5","1","1","7","2","3","1") = "6"
    & skf21("4","5","1","1","7","2","4","1") = "6"
    & skf21("4","5","1","1","7","2","5","1") = "6"
    & skf21("4","5","1","1","7","2","6","1") = "6"
    & skf21("4","5","1","1","7","2","7","1") = "6"
    & skf21("4","5","1","1","7","3","1","1") = "6"
    & skf21("4","5","1","1","7","3","2","1") = "6"
    & skf21("4","5","1","1","7","3","3","1") = "6"
    & skf21("4","5","1","1","7","3","4","1") = "6"
    & skf21("4","5","1","1","7","3","5","1") = "6"
    & skf21("4","5","1","1","7","3","6","1") = "6"
    & skf21("4","5","1","1","7","3","7","1") = "6"
    & skf21("4","5","1","1","7","4","1","1") = "6"
    & skf21("4","5","1","1","7","4","2","1") = "6"
    & skf21("4","5","1","1","7","4","3","1") = "6"
    & skf21("4","5","1","1","7","4","4","1") = "6"
    & skf21("4","5","1","1","7","4","5","1") = "6"
    & skf21("4","5","1","1","7","4","6","1") = "6"
    & skf21("4","5","1","1","7","4","7","1") = "6"
    & skf21("4","5","1","1","7","5","1","1") = "6"
    & skf21("4","5","1","1","7","5","2","1") = "6"
    & skf21("4","5","1","1","7","5","3","1") = "6"
    & skf21("4","5","1","1","7","5","4","1") = "6"
    & skf21("4","5","1","1","7","5","5","1") = "6"
    & skf21("4","5","1","1","7","5","6","1") = "6"
    & skf21("4","5","1","1","7","5","7","1") = "6"
    & skf21("4","5","1","1","7","6","1","1") = "6"
    & skf21("4","5","1","1","7","6","2","1") = "6"
    & skf21("4","5","1","1","7","6","3","1") = "6"
    & skf21("4","5","1","1","7","6","4","1") = "6"
    & skf21("4","5","1","1","7","6","5","1") = "6"
    & skf21("4","5","1","1","7","6","6","1") = "6"
    & skf21("4","5","1","1","7","6","7","1") = "6"
    & skf21("4","5","1","1","7","7","1","1") = "6"
    & skf21("4","5","1","1","7","7","2","1") = "6"
    & skf21("4","5","1","1","7","7","3","1") = "6"
    & skf21("4","5","1","1","7","7","4","1") = "6"
    & skf21("4","5","1","1","7","7","5","1") = "6"
    & skf21("4","5","1","1","7","7","6","1") = "6"
    & skf21("4","5","1","1","7","7","7","1") = "6"
    & skf21("4","5","1","2","1","1","1","1") = "4"
    & skf21("4","5","1","2","1","1","2","1") = "4"
    & skf21("4","5","1","2","1","1","3","1") = "4"
    & skf21("4","5","1","2","1","1","4","1") = "4"
    & skf21("4","5","1","2","1","1","5","1") = "4"
    & skf21("4","5","1","2","1","1","6","1") = "5"
    & skf21("4","5","1","2","1","1","7","1") = "6"
    & skf21("4","5","1","2","1","2","1","1") = "4"
    & skf21("4","5","1","2","1","2","2","1") = "4"
    & skf21("4","5","1","2","1","2","3","1") = "4"
    & skf21("4","5","1","2","1","2","4","1") = "4"
    & skf21("4","5","1","2","1","2","5","1") = "4"
    & skf21("4","5","1","2","1","2","6","1") = "5"
    & skf21("4","5","1","2","1","2","7","1") = "6"
    & skf21("4","5","1","2","1","3","1","1") = "4"
    & skf21("4","5","1","2","1","3","2","1") = "4"
    & skf21("4","5","1","2","1","3","3","1") = "4"
    & skf21("4","5","1","2","1","3","4","1") = "4"
    & skf21("4","5","1","2","1","3","5","1") = "4"
    & skf21("4","5","1","2","1","3","6","1") = "5"
    & skf21("4","5","1","2","1","3","7","1") = "6"
    & skf21("4","5","1","2","1","4","1","1") = "4"
    & skf21("4","5","1","2","1","4","2","1") = "4"
    & skf21("4","5","1","2","1","4","3","1") = "4"
    & skf21("4","5","1","2","1","4","4","1") = "4"
    & skf21("4","5","1","2","1","4","5","1") = "4"
    & skf21("4","5","1","2","1","4","6","1") = "5"
    & skf21("4","5","1","2","1","4","7","1") = "6"
    & skf21("4","5","1","2","1","5","1","1") = "4"
    & skf21("4","5","1","2","1","5","2","1") = "4"
    & skf21("4","5","1","2","1","5","3","1") = "4"
    & skf21("4","5","1","2","1","5","4","1") = "4"
    & skf21("4","5","1","2","1","5","5","1") = "4"
    & skf21("4","5","1","2","1","5","6","1") = "5"
    & skf21("4","5","1","2","1","5","7","1") = "6"
    & skf21("4","5","1","2","1","6","1","1") = "5"
    & skf21("4","5","1","2","1","6","2","1") = "5"
    & skf21("4","5","1","2","1","6","3","1") = "5"
    & skf21("4","5","1","2","1","6","4","1") = "5"
    & skf21("4","5","1","2","1","6","5","1") = "5"
    & skf21("4","5","1","2","1","6","6","1") = "5"
    & skf21("4","5","1","2","1","6","7","1") = "6"
    & skf21("4","5","1","2","1","7","1","1") = "6"
    & skf21("4","5","1","2","1","7","2","1") = "6"
    & skf21("4","5","1","2","1","7","3","1") = "6"
    & skf21("4","5","1","2","1","7","4","1") = "6"
    & skf21("4","5","1","2","1","7","5","1") = "6"
    & skf21("4","5","1","2","1","7","6","1") = "6"
    & skf21("4","5","1","2","1","7","7","1") = "6"
    & skf21("4","5","1","2","2","1","1","1") = "4"
    & skf21("4","5","1","2","2","1","2","1") = "4"
    & skf21("4","5","1","2","2","1","3","1") = "4"
    & skf21("4","5","1","2","2","1","4","1") = "4"
    & skf21("4","5","1","2","2","1","5","1") = "4"
    & skf21("4","5","1","2","2","1","6","1") = "5"
    & skf21("4","5","1","2","2","1","7","1") = "6"
    & skf21("4","5","1","2","2","2","1","1") = "4"
    & skf21("4","5","1","2","2","2","2","1") = "4"
    & skf21("4","5","1","2","2","2","3","1") = "4"
    & skf21("4","5","1","2","2","2","4","1") = "4"
    & skf21("4","5","1","2","2","2","5","1") = "4"
    & skf21("4","5","1","2","2","2","6","1") = "5"
    & skf21("4","5","1","2","2","2","7","1") = "6"
    & skf21("4","5","1","2","2","3","1","1") = "4"
    & skf21("4","5","1","2","2","3","2","1") = "4"
    & skf21("4","5","1","2","2","3","3","1") = "4"
    & skf21("4","5","1","2","2","3","4","1") = "4"
    & skf21("4","5","1","2","2","3","5","1") = "4"
    & skf21("4","5","1","2","2","3","6","1") = "5"
    & skf21("4","5","1","2","2","3","7","1") = "6"
    & skf21("4","5","1","2","2","4","1","1") = "4"
    & skf21("4","5","1","2","2","4","2","1") = "4"
    & skf21("4","5","1","2","2","4","3","1") = "4"
    & skf21("4","5","1","2","2","4","4","1") = "4"
    & skf21("4","5","1","2","2","4","5","1") = "4"
    & skf21("4","5","1","2","2","4","6","1") = "5"
    & skf21("4","5","1","2","2","4","7","1") = "6"
    & skf21("4","5","1","2","2","5","1","1") = "4"
    & skf21("4","5","1","2","2","5","2","1") = "4"
    & skf21("4","5","1","2","2","5","3","1") = "4"
    & skf21("4","5","1","2","2","5","4","1") = "4"
    & skf21("4","5","1","2","2","5","5","1") = "4"
    & skf21("4","5","1","2","2","5","6","1") = "5"
    & skf21("4","5","1","2","2","5","7","1") = "6"
    & skf21("4","5","1","2","2","6","1","1") = "5"
    & skf21("4","5","1","2","2","6","2","1") = "5"
    & skf21("4","5","1","2","2","6","3","1") = "5"
    & skf21("4","5","1","2","2","6","4","1") = "5"
    & skf21("4","5","1","2","2","6","5","1") = "5"
    & skf21("4","5","1","2","2","6","6","1") = "5"
    & skf21("4","5","1","2","2","6","7","1") = "6"
    & skf21("4","5","1","2","2","7","1","1") = "6"
    & skf21("4","5","1","2","2","7","2","1") = "6"
    & skf21("4","5","1","2","2","7","3","1") = "6"
    & skf21("4","5","1","2","2","7","4","1") = "6"
    & skf21("4","5","1","2","2","7","5","1") = "6"
    & skf21("4","5","1","2","2","7","6","1") = "6"
    & skf21("4","5","1","2","2","7","7","1") = "6"
    & skf21("4","5","1","2","3","1","1","1") = "4"
    & skf21("4","5","1","2","3","1","2","1") = "4"
    & skf21("4","5","1","2","3","1","3","1") = "4"
    & skf21("4","5","1","2","3","1","4","1") = "4"
    & skf21("4","5","1","2","3","1","5","1") = "4"
    & skf21("4","5","1","2","3","1","6","1") = "5"
    & skf21("4","5","1","2","3","1","7","1") = "6"
    & skf21("4","5","1","2","3","2","1","1") = "4"
    & skf21("4","5","1","2","3","2","2","1") = "4"
    & skf21("4","5","1","2","3","2","3","1") = "4"
    & skf21("4","5","1","2","3","2","4","1") = "4"
    & skf21("4","5","1","2","3","2","5","1") = "4"
    & skf21("4","5","1","2","3","2","6","1") = "5"
    & skf21("4","5","1","2","3","2","7","1") = "6"
    & skf21("4","5","1","2","3","3","1","1") = "4"
    & skf21("4","5","1","2","3","3","2","1") = "4"
    & skf21("4","5","1","2","3","3","3","1") = "4"
    & skf21("4","5","1","2","3","3","4","1") = "4"
    & skf21("4","5","1","2","3","3","5","1") = "4"
    & skf21("4","5","1","2","3","3","6","1") = "5"
    & skf21("4","5","1","2","3","3","7","1") = "6"
    & skf21("4","5","1","2","3","4","1","1") = "4"
    & skf21("4","5","1","2","3","4","2","1") = "4"
    & skf21("4","5","1","2","3","4","3","1") = "4"
    & skf21("4","5","1","2","3","4","4","1") = "4"
    & skf21("4","5","1","2","3","4","5","1") = "4"
    & skf21("4","5","1","2","3","4","6","1") = "5"
    & skf21("4","5","1","2","3","4","7","1") = "6"
    & skf21("4","5","1","2","3","5","1","1") = "4"
    & skf21("4","5","1","2","3","5","2","1") = "4"
    & skf21("4","5","1","2","3","5","3","1") = "4"
    & skf21("4","5","1","2","3","5","4","1") = "4"
    & skf21("4","5","1","2","3","5","5","1") = "4"
    & skf21("4","5","1","2","3","5","6","1") = "5"
    & skf21("4","5","1","2","3","5","7","1") = "6"
    & skf21("4","5","1","2","3","6","1","1") = "5"
    & skf21("4","5","1","2","3","6","2","1") = "5"
    & skf21("4","5","1","2","3","6","3","1") = "5"
    & skf21("4","5","1","2","3","6","4","1") = "5"
    & skf21("4","5","1","2","3","6","5","1") = "5"
    & skf21("4","5","1","2","3","6","6","1") = "5"
    & skf21("4","5","1","2","3","6","7","1") = "6"
    & skf21("4","5","1","2","3","7","1","1") = "6"
    & skf21("4","5","1","2","3","7","2","1") = "6"
    & skf21("4","5","1","2","3","7","3","1") = "6"
    & skf21("4","5","1","2","3","7","4","1") = "6"
    & skf21("4","5","1","2","3","7","5","1") = "6"
    & skf21("4","5","1","2","3","7","6","1") = "6"
    & skf21("4","5","1","2","3","7","7","1") = "6"
    & skf21("4","5","1","2","4","1","1","1") = "4"
    & skf21("4","5","1","2","4","1","2","1") = "4"
    & skf21("4","5","1","2","4","1","3","1") = "4"
    & skf21("4","5","1","2","4","1","4","1") = "4"
    & skf21("4","5","1","2","4","1","5","1") = "4"
    & skf21("4","5","1","2","4","1","6","1") = "5"
    & skf21("4","5","1","2","4","1","7","1") = "6"
    & skf21("4","5","1","2","4","2","1","1") = "4"
    & skf21("4","5","1","2","4","2","2","1") = "4"
    & skf21("4","5","1","2","4","2","3","1") = "4"
    & skf21("4","5","1","2","4","2","4","1") = "4"
    & skf21("4","5","1","2","4","2","5","1") = "4"
    & skf21("4","5","1","2","4","2","6","1") = "5"
    & skf21("4","5","1","2","4","2","7","1") = "6"
    & skf21("4","5","1","2","4","3","1","1") = "4"
    & skf21("4","5","1","2","4","3","2","1") = "4"
    & skf21("4","5","1","2","4","3","3","1") = "4"
    & skf21("4","5","1","2","4","3","4","1") = "4"
    & skf21("4","5","1","2","4","3","5","1") = "4"
    & skf21("4","5","1","2","4","3","6","1") = "5"
    & skf21("4","5","1","2","4","3","7","1") = "6"
    & skf21("4","5","1","2","4","4","1","1") = "4"
    & skf21("4","5","1","2","4","4","2","1") = "4"
    & skf21("4","5","1","2","4","4","3","1") = "4"
    & skf21("4","5","1","2","4","4","4","1") = "4"
    & skf21("4","5","1","2","4","4","5","1") = "4"
    & skf21("4","5","1","2","4","4","6","1") = "5"
    & skf21("4","5","1","2","4","4","7","1") = "6"
    & skf21("4","5","1","2","4","5","1","1") = "4"
    & skf21("4","5","1","2","4","5","2","1") = "4"
    & skf21("4","5","1","2","4","5","3","1") = "4"
    & skf21("4","5","1","2","4","5","4","1") = "4"
    & skf21("4","5","1","2","4","5","5","1") = "4"
    & skf21("4","5","1","2","4","5","6","1") = "5"
    & skf21("4","5","1","2","4","5","7","1") = "6"
    & skf21("4","5","1","2","4","6","1","1") = "5"
    & skf21("4","5","1","2","4","6","2","1") = "5"
    & skf21("4","5","1","2","4","6","3","1") = "5"
    & skf21("4","5","1","2","4","6","4","1") = "5"
    & skf21("4","5","1","2","4","6","5","1") = "5"
    & skf21("4","5","1","2","4","6","6","1") = "5"
    & skf21("4","5","1","2","4","6","7","1") = "6"
    & skf21("4","5","1","2","4","7","1","1") = "6"
    & skf21("4","5","1","2","4","7","2","1") = "6"
    & skf21("4","5","1","2","4","7","3","1") = "6"
    & skf21("4","5","1","2","4","7","4","1") = "6"
    & skf21("4","5","1","2","4","7","5","1") = "6"
    & skf21("4","5","1","2","4","7","6","1") = "6"
    & skf21("4","5","1","2","4","7","7","1") = "6"
    & skf21("4","5","1","2","5","1","1","1") = "4"
    & skf21("4","5","1","2","5","1","2","1") = "4"
    & skf21("4","5","1","2","5","1","3","1") = "4"
    & skf21("4","5","1","2","5","1","4","1") = "4"
    & skf21("4","5","1","2","5","1","5","1") = "4"
    & skf21("4","5","1","2","5","1","6","1") = "5"
    & skf21("4","5","1","2","5","1","7","1") = "6"
    & skf21("4","5","1","2","5","2","1","1") = "4"
    & skf21("4","5","1","2","5","2","2","1") = "4"
    & skf21("4","5","1","2","5","2","3","1") = "4"
    & skf21("4","5","1","2","5","2","4","1") = "4"
    & skf21("4","5","1","2","5","2","5","1") = "4"
    & skf21("4","5","1","2","5","2","6","1") = "5"
    & skf21("4","5","1","2","5","2","7","1") = "6"
    & skf21("4","5","1","2","5","3","1","1") = "4"
    & skf21("4","5","1","2","5","3","2","1") = "4"
    & skf21("4","5","1","2","5","3","3","1") = "4"
    & skf21("4","5","1","2","5","3","4","1") = "4"
    & skf21("4","5","1","2","5","3","5","1") = "4"
    & skf21("4","5","1","2","5","3","6","1") = "5"
    & skf21("4","5","1","2","5","3","7","1") = "6"
    & skf21("4","5","1","2","5","4","1","1") = "4"
    & skf21("4","5","1","2","5","4","2","1") = "4"
    & skf21("4","5","1","2","5","4","3","1") = "4"
    & skf21("4","5","1","2","5","4","4","1") = "4"
    & skf21("4","5","1","2","5","4","5","1") = "4"
    & skf21("4","5","1","2","5","4","6","1") = "5"
    & skf21("4","5","1","2","5","4","7","1") = "6"
    & skf21("4","5","1","2","5","5","1","1") = "4"
    & skf21("4","5","1","2","5","5","2","1") = "4"
    & skf21("4","5","1","2","5","5","3","1") = "4"
    & skf21("4","5","1","2","5","5","4","1") = "4"
    & skf21("4","5","1","2","5","5","5","1") = "4"
    & skf21("4","5","1","2","5","5","6","1") = "5"
    & skf21("4","5","1","2","5","5","7","1") = "6"
    & skf21("4","5","1","2","5","6","1","1") = "5"
    & skf21("4","5","1","2","5","6","2","1") = "5"
    & skf21("4","5","1","2","5","6","3","1") = "5"
    & skf21("4","5","1","2","5","6","4","1") = "5"
    & skf21("4","5","1","2","5","6","5","1") = "5"
    & skf21("4","5","1","2","5","6","6","1") = "5"
    & skf21("4","5","1","2","5","6","7","1") = "6"
    & skf21("4","5","1","2","5","7","1","1") = "6"
    & skf21("4","5","1","2","5","7","2","1") = "6"
    & skf21("4","5","1","2","5","7","3","1") = "6"
    & skf21("4","5","1","2","5","7","4","1") = "6"
    & skf21("4","5","1","2","5","7","5","1") = "6"
    & skf21("4","5","1","2","5","7","6","1") = "6"
    & skf21("4","5","1","2","5","7","7","1") = "6"
    & skf21("4","5","1","2","6","1","1","1") = "5"
    & skf21("4","5","1","2","6","1","2","1") = "5"
    & skf21("4","5","1","2","6","1","3","1") = "5"
    & skf21("4","5","1","2","6","1","4","1") = "5"
    & skf21("4","5","1","2","6","1","5","1") = "5"
    & skf21("4","5","1","2","6","1","6","1") = "5"
    & skf21("4","5","1","2","6","1","7","1") = "6"
    & skf21("4","5","1","2","6","2","1","1") = "5"
    & skf21("4","5","1","2","6","2","2","1") = "5"
    & skf21("4","5","1","2","6","2","3","1") = "5"
    & skf21("4","5","1","2","6","2","4","1") = "5"
    & skf21("4","5","1","2","6","2","5","1") = "5"
    & skf21("4","5","1","2","6","2","6","1") = "5"
    & skf21("4","5","1","2","6","2","7","1") = "6"
    & skf21("4","5","1","2","6","3","1","1") = "5"
    & skf21("4","5","1","2","6","3","2","1") = "5"
    & skf21("4","5","1","2","6","3","3","1") = "5"
    & skf21("4","5","1","2","6","3","4","1") = "5"
    & skf21("4","5","1","2","6","3","5","1") = "5"
    & skf21("4","5","1","2","6","3","6","1") = "5"
    & skf21("4","5","1","2","6","3","7","1") = "6"
    & skf21("4","5","1","2","6","4","1","1") = "5"
    & skf21("4","5","1","2","6","4","2","1") = "5"
    & skf21("4","5","1","2","6","4","3","1") = "5"
    & skf21("4","5","1","2","6","4","4","1") = "5"
    & skf21("4","5","1","2","6","4","5","1") = "5"
    & skf21("4","5","1","2","6","4","6","1") = "5"
    & skf21("4","5","1","2","6","4","7","1") = "6"
    & skf21("4","5","1","2","6","5","1","1") = "5"
    & skf21("4","5","1","2","6","5","2","1") = "5"
    & skf21("4","5","1","2","6","5","3","1") = "5"
    & skf21("4","5","1","2","6","5","4","1") = "5"
    & skf21("4","5","1","2","6","5","5","1") = "5"
    & skf21("4","5","1","2","6","5","6","1") = "5"
    & skf21("4","5","1","2","6","5","7","1") = "6"
    & skf21("4","5","1","2","6","6","1","1") = "5"
    & skf21("4","5","1","2","6","6","2","1") = "5"
    & skf21("4","5","1","2","6","6","3","1") = "5"
    & skf21("4","5","1","2","6","6","4","1") = "5"
    & skf21("4","5","1","2","6","6","5","1") = "5"
    & skf21("4","5","1","2","6","6","6","1") = "5"
    & skf21("4","5","1","2","6","6","7","1") = "6"
    & skf21("4","5","1","2","6","7","1","1") = "6"
    & skf21("4","5","1","2","6","7","2","1") = "6"
    & skf21("4","5","1","2","6","7","3","1") = "6"
    & skf21("4","5","1","2","6","7","4","1") = "6"
    & skf21("4","5","1","2","6","7","5","1") = "6"
    & skf21("4","5","1","2","6","7","6","1") = "6"
    & skf21("4","5","1","2","6","7","7","1") = "6"
    & skf21("4","5","1","2","7","1","1","1") = "6"
    & skf21("4","5","1","2","7","1","2","1") = "6"
    & skf21("4","5","1","2","7","1","3","1") = "6"
    & skf21("4","5","1","2","7","1","4","1") = "6"
    & skf21("4","5","1","2","7","1","5","1") = "6"
    & skf21("4","5","1","2","7","1","6","1") = "6"
    & skf21("4","5","1","2","7","1","7","1") = "6"
    & skf21("4","5","1","2","7","2","1","1") = "6"
    & skf21("4","5","1","2","7","2","2","1") = "6"
    & skf21("4","5","1","2","7","2","3","1") = "6"
    & skf21("4","5","1","2","7","2","4","1") = "6"
    & skf21("4","5","1","2","7","2","5","1") = "6"
    & skf21("4","5","1","2","7","2","6","1") = "6"
    & skf21("4","5","1","2","7","2","7","1") = "6"
    & skf21("4","5","1","2","7","3","1","1") = "6"
    & skf21("4","5","1","2","7","3","2","1") = "6"
    & skf21("4","5","1","2","7","3","3","1") = "6"
    & skf21("4","5","1","2","7","3","4","1") = "6"
    & skf21("4","5","1","2","7","3","5","1") = "6"
    & skf21("4","5","1","2","7","3","6","1") = "6"
    & skf21("4","5","1","2","7","3","7","1") = "6"
    & skf21("4","5","1","2","7","4","1","1") = "6"
    & skf21("4","5","1","2","7","4","2","1") = "6"
    & skf21("4","5","1","2","7","4","3","1") = "6"
    & skf21("4","5","1","2","7","4","4","1") = "6"
    & skf21("4","5","1","2","7","4","5","1") = "6"
    & skf21("4","5","1","2","7","4","6","1") = "6"
    & skf21("4","5","1","2","7","4","7","1") = "6"
    & skf21("4","5","1","2","7","5","1","1") = "6"
    & skf21("4","5","1","2","7","5","2","1") = "6"
    & skf21("4","5","1","2","7","5","3","1") = "6"
    & skf21("4","5","1","2","7","5","4","1") = "6"
    & skf21("4","5","1","2","7","5","5","1") = "6"
    & skf21("4","5","1","2","7","5","6","1") = "6"
    & skf21("4","5","1","2","7","5","7","1") = "6"
    & skf21("4","5","1","2","7","6","1","1") = "6"
    & skf21("4","5","1","2","7","6","2","1") = "6"
    & skf21("4","5","1","2","7","6","3","1") = "6"
    & skf21("4","5","1","2","7","6","4","1") = "6"
    & skf21("4","5","1","2","7","6","5","1") = "6"
    & skf21("4","5","1","2","7","6","6","1") = "6"
    & skf21("4","5","1","2","7","6","7","1") = "6"
    & skf21("4","5","1","2","7","7","1","1") = "6"
    & skf21("4","5","1","2","7","7","2","1") = "6"
    & skf21("4","5","1","2","7","7","3","1") = "6"
    & skf21("4","5","1","2","7","7","4","1") = "6"
    & skf21("4","5","1","2","7","7","5","1") = "6"
    & skf21("4","5","1","2","7","7","6","1") = "6"
    & skf21("4","5","1","2","7","7","7","1") = "6"
    & skf21("4","5","1","3","1","1","1","1") = "4"
    & skf21("4","5","1","3","1","1","2","1") = "4"
    & skf21("4","5","1","3","1","1","3","1") = "4"
    & skf21("4","5","1","3","1","1","4","1") = "4"
    & skf21("4","5","1","3","1","1","5","1") = "4"
    & skf21("4","5","1","3","1","1","6","1") = "5"
    & skf21("4","5","1","3","1","1","7","1") = "6"
    & skf21("4","5","1","3","1","2","1","1") = "4"
    & skf21("4","5","1","3","1","2","2","1") = "4"
    & skf21("4","5","1","3","1","2","3","1") = "4"
    & skf21("4","5","1","3","1","2","4","1") = "4"
    & skf21("4","5","1","3","1","2","5","1") = "4"
    & skf21("4","5","1","3","1","2","6","1") = "5"
    & skf21("4","5","1","3","1","2","7","1") = "6"
    & skf21("4","5","1","3","1","3","1","1") = "4"
    & skf21("4","5","1","3","1","3","2","1") = "4"
    & skf21("4","5","1","3","1","3","3","1") = "4"
    & skf21("4","5","1","3","1","3","4","1") = "4"
    & skf21("4","5","1","3","1","3","5","1") = "4"
    & skf21("4","5","1","3","1","3","6","1") = "5"
    & skf21("4","5","1","3","1","3","7","1") = "6"
    & skf21("4","5","1","3","1","4","1","1") = "4"
    & skf21("4","5","1","3","1","4","2","1") = "4"
    & skf21("4","5","1","3","1","4","3","1") = "4"
    & skf21("4","5","1","3","1","4","4","1") = "4"
    & skf21("4","5","1","3","1","4","5","1") = "4"
    & skf21("4","5","1","3","1","4","6","1") = "5"
    & skf21("4","5","1","3","1","4","7","1") = "6"
    & skf21("4","5","1","3","1","5","1","1") = "4"
    & skf21("4","5","1","3","1","5","2","1") = "4"
    & skf21("4","5","1","3","1","5","3","1") = "4"
    & skf21("4","5","1","3","1","5","4","1") = "4"
    & skf21("4","5","1","3","1","5","5","1") = "4"
    & skf21("4","5","1","3","1","5","6","1") = "5"
    & skf21("4","5","1","3","1","5","7","1") = "6"
    & skf21("4","5","1","3","1","6","1","1") = "5"
    & skf21("4","5","1","3","1","6","2","1") = "5"
    & skf21("4","5","1","3","1","6","3","1") = "5"
    & skf21("4","5","1","3","1","6","4","1") = "5"
    & skf21("4","5","1","3","1","6","5","1") = "5"
    & skf21("4","5","1","3","1","6","6","1") = "5"
    & skf21("4","5","1","3","1","6","7","1") = "6"
    & skf21("4","5","1","3","1","7","1","1") = "6"
    & skf21("4","5","1","3","1","7","2","1") = "6"
    & skf21("4","5","1","3","1","7","3","1") = "6"
    & skf21("4","5","1","3","1","7","4","1") = "6"
    & skf21("4","5","1","3","1","7","5","1") = "6"
    & skf21("4","5","1","3","1","7","6","1") = "6"
    & skf21("4","5","1","3","1","7","7","1") = "6"
    & skf21("4","5","1","3","2","1","1","1") = "4"
    & skf21("4","5","1","3","2","1","2","1") = "4"
    & skf21("4","5","1","3","2","1","3","1") = "4"
    & skf21("4","5","1","3","2","1","4","1") = "4"
    & skf21("4","5","1","3","2","1","5","1") = "4"
    & skf21("4","5","1","3","2","1","6","1") = "5"
    & skf21("4","5","1","3","2","1","7","1") = "6"
    & skf21("4","5","1","3","2","2","1","1") = "4"
    & skf21("4","5","1","3","2","2","2","1") = "4"
    & skf21("4","5","1","3","2","2","3","1") = "4"
    & skf21("4","5","1","3","2","2","4","1") = "4"
    & skf21("4","5","1","3","2","2","5","1") = "4"
    & skf21("4","5","1","3","2","2","6","1") = "5"
    & skf21("4","5","1","3","2","2","7","1") = "6"
    & skf21("4","5","1","3","2","3","1","1") = "4"
    & skf21("4","5","1","3","2","3","2","1") = "4"
    & skf21("4","5","1","3","2","3","3","1") = "4"
    & skf21("4","5","1","3","2","3","4","1") = "4"
    & skf21("4","5","1","3","2","3","5","1") = "4"
    & skf21("4","5","1","3","2","3","6","1") = "5"
    & skf21("4","5","1","3","2","3","7","1") = "6"
    & skf21("4","5","1","3","2","4","1","1") = "4"
    & skf21("4","5","1","3","2","4","2","1") = "4"
    & skf21("4","5","1","3","2","4","3","1") = "4"
    & skf21("4","5","1","3","2","4","4","1") = "4"
    & skf21("4","5","1","3","2","4","5","1") = "4"
    & skf21("4","5","1","3","2","4","6","1") = "5"
    & skf21("4","5","1","3","2","4","7","1") = "6"
    & skf21("4","5","1","3","2","5","1","1") = "4"
    & skf21("4","5","1","3","2","5","2","1") = "4"
    & skf21("4","5","1","3","2","5","3","1") = "4"
    & skf21("4","5","1","3","2","5","4","1") = "4"
    & skf21("4","5","1","3","2","5","5","1") = "4"
    & skf21("4","5","1","3","2","5","6","1") = "5"
    & skf21("4","5","1","3","2","5","7","1") = "6"
    & skf21("4","5","1","3","2","6","1","1") = "5"
    & skf21("4","5","1","3","2","6","2","1") = "5"
    & skf21("4","5","1","3","2","6","3","1") = "5"
    & skf21("4","5","1","3","2","6","4","1") = "5"
    & skf21("4","5","1","3","2","6","5","1") = "5"
    & skf21("4","5","1","3","2","6","6","1") = "5"
    & skf21("4","5","1","3","2","6","7","1") = "6"
    & skf21("4","5","1","3","2","7","1","1") = "6"
    & skf21("4","5","1","3","2","7","2","1") = "6"
    & skf21("4","5","1","3","2","7","3","1") = "6"
    & skf21("4","5","1","3","2","7","4","1") = "6"
    & skf21("4","5","1","3","2","7","5","1") = "6"
    & skf21("4","5","1","3","2","7","6","1") = "6"
    & skf21("4","5","1","3","2","7","7","1") = "6"
    & skf21("4","5","1","3","3","1","1","1") = "4"
    & skf21("4","5","1","3","3","1","2","1") = "4"
    & skf21("4","5","1","3","3","1","3","1") = "4"
    & skf21("4","5","1","3","3","1","4","1") = "4"
    & skf21("4","5","1","3","3","1","5","1") = "4"
    & skf21("4","5","1","3","3","1","6","1") = "5"
    & skf21("4","5","1","3","3","1","7","1") = "6"
    & skf21("4","5","1","3","3","2","1","1") = "4"
    & skf21("4","5","1","3","3","2","2","1") = "4"
    & skf21("4","5","1","3","3","2","3","1") = "4"
    & skf21("4","5","1","3","3","2","4","1") = "4"
    & skf21("4","5","1","3","3","2","5","1") = "4"
    & skf21("4","5","1","3","3","2","6","1") = "5"
    & skf21("4","5","1","3","3","2","7","1") = "6"
    & skf21("4","5","1","3","3","3","1","1") = "4"
    & skf21("4","5","1","3","3","3","2","1") = "4"
    & skf21("4","5","1","3","3","3","3","1") = "4"
    & skf21("4","5","1","3","3","3","4","1") = "4"
    & skf21("4","5","1","3","3","3","5","1") = "4"
    & skf21("4","5","1","3","3","3","6","1") = "5"
    & skf21("4","5","1","3","3","3","7","1") = "6"
    & skf21("4","5","1","3","3","4","1","1") = "4"
    & skf21("4","5","1","3","3","4","2","1") = "4"
    & skf21("4","5","1","3","3","4","3","1") = "4"
    & skf21("4","5","1","3","3","4","4","1") = "4"
    & skf21("4","5","1","3","3","4","5","1") = "4"
    & skf21("4","5","1","3","3","4","6","1") = "5"
    & skf21("4","5","1","3","3","4","7","1") = "6"
    & skf21("4","5","1","3","3","5","1","1") = "4"
    & skf21("4","5","1","3","3","5","2","1") = "4"
    & skf21("4","5","1","3","3","5","3","1") = "4"
    & skf21("4","5","1","3","3","5","4","1") = "4"
    & skf21("4","5","1","3","3","5","5","1") = "4"
    & skf21("4","5","1","3","3","5","6","1") = "5"
    & skf21("4","5","1","3","3","5","7","1") = "6"
    & skf21("4","5","1","3","3","6","1","1") = "5"
    & skf21("4","5","1","3","3","6","2","1") = "5"
    & skf21("4","5","1","3","3","6","3","1") = "5"
    & skf21("4","5","1","3","3","6","4","1") = "5"
    & skf21("4","5","1","3","3","6","5","1") = "5"
    & skf21("4","5","1","3","3","6","6","1") = "5"
    & skf21("4","5","1","3","3","6","7","1") = "6"
    & skf21("4","5","1","3","3","7","1","1") = "6"
    & skf21("4","5","1","3","3","7","2","1") = "6"
    & skf21("4","5","1","3","3","7","3","1") = "6"
    & skf21("4","5","1","3","3","7","4","1") = "6"
    & skf21("4","5","1","3","3","7","5","1") = "6"
    & skf21("4","5","1","3","3","7","6","1") = "6"
    & skf21("4","5","1","3","3","7","7","1") = "6"
    & skf21("4","5","1","3","4","1","1","1") = "4"
    & skf21("4","5","1","3","4","1","2","1") = "4"
    & skf21("4","5","1","3","4","1","3","1") = "4"
    & skf21("4","5","1","3","4","1","4","1") = "4"
    & skf21("4","5","1","3","4","1","5","1") = "4"
    & skf21("4","5","1","3","4","1","6","1") = "5"
    & skf21("4","5","1","3","4","1","7","1") = "6"
    & skf21("4","5","1","3","4","2","1","1") = "4"
    & skf21("4","5","1","3","4","2","2","1") = "4"
    & skf21("4","5","1","3","4","2","3","1") = "4"
    & skf21("4","5","1","3","4","2","4","1") = "4"
    & skf21("4","5","1","3","4","2","5","1") = "4"
    & skf21("4","5","1","3","4","2","6","1") = "5"
    & skf21("4","5","1","3","4","2","7","1") = "6"
    & skf21("4","5","1","3","4","3","1","1") = "4"
    & skf21("4","5","1","3","4","3","2","1") = "4"
    & skf21("4","5","1","3","4","3","3","1") = "4"
    & skf21("4","5","1","3","4","3","4","1") = "4"
    & skf21("4","5","1","3","4","3","5","1") = "4"
    & skf21("4","5","1","3","4","3","6","1") = "5"
    & skf21("4","5","1","3","4","3","7","1") = "6"
    & skf21("4","5","1","3","4","4","1","1") = "4"
    & skf21("4","5","1","3","4","4","2","1") = "4"
    & skf21("4","5","1","3","4","4","3","1") = "4"
    & skf21("4","5","1","3","4","4","4","1") = "4"
    & skf21("4","5","1","3","4","4","5","1") = "4"
    & skf21("4","5","1","3","4","4","6","1") = "5"
    & skf21("4","5","1","3","4","4","7","1") = "6"
    & skf21("4","5","1","3","4","5","1","1") = "4"
    & skf21("4","5","1","3","4","5","2","1") = "4"
    & skf21("4","5","1","3","4","5","3","1") = "4"
    & skf21("4","5","1","3","4","5","4","1") = "4"
    & skf21("4","5","1","3","4","5","5","1") = "4"
    & skf21("4","5","1","3","4","5","6","1") = "5"
    & skf21("4","5","1","3","4","5","7","1") = "6"
    & skf21("4","5","1","3","4","6","1","1") = "5"
    & skf21("4","5","1","3","4","6","2","1") = "5"
    & skf21("4","5","1","3","4","6","3","1") = "5"
    & skf21("4","5","1","3","4","6","4","1") = "5"
    & skf21("4","5","1","3","4","6","5","1") = "5"
    & skf21("4","5","1","3","4","6","6","1") = "5"
    & skf21("4","5","1","3","4","6","7","1") = "6"
    & skf21("4","5","1","3","4","7","1","1") = "6"
    & skf21("4","5","1","3","4","7","2","1") = "6"
    & skf21("4","5","1","3","4","7","3","1") = "6"
    & skf21("4","5","1","3","4","7","4","1") = "6"
    & skf21("4","5","1","3","4","7","5","1") = "6"
    & skf21("4","5","1","3","4","7","6","1") = "6"
    & skf21("4","5","1","3","4","7","7","1") = "6"
    & skf21("4","5","1","3","5","1","1","1") = "4"
    & skf21("4","5","1","3","5","1","2","1") = "4"
    & skf21("4","5","1","3","5","1","3","1") = "4"
    & skf21("4","5","1","3","5","1","4","1") = "4"
    & skf21("4","5","1","3","5","1","5","1") = "4"
    & skf21("4","5","1","3","5","1","6","1") = "5"
    & skf21("4","5","1","3","5","1","7","1") = "6"
    & skf21("4","5","1","3","5","2","1","1") = "4"
    & skf21("4","5","1","3","5","2","2","1") = "4"
    & skf21("4","5","1","3","5","2","3","1") = "4"
    & skf21("4","5","1","3","5","2","4","1") = "4"
    & skf21("4","5","1","3","5","2","5","1") = "4"
    & skf21("4","5","1","3","5","2","6","1") = "5"
    & skf21("4","5","1","3","5","2","7","1") = "6"
    & skf21("4","5","1","3","5","3","1","1") = "4"
    & skf21("4","5","1","3","5","3","2","1") = "4"
    & skf21("4","5","1","3","5","3","3","1") = "4"
    & skf21("4","5","1","3","5","3","4","1") = "4"
    & skf21("4","5","1","3","5","3","5","1") = "4"
    & skf21("4","5","1","3","5","3","6","1") = "5"
    & skf21("4","5","1","3","5","3","7","1") = "6"
    & skf21("4","5","1","3","5","4","1","1") = "4"
    & skf21("4","5","1","3","5","4","2","1") = "4"
    & skf21("4","5","1","3","5","4","3","1") = "4"
    & skf21("4","5","1","3","5","4","4","1") = "4"
    & skf21("4","5","1","3","5","4","5","1") = "4"
    & skf21("4","5","1","3","5","4","6","1") = "5"
    & skf21("4","5","1","3","5","4","7","1") = "6"
    & skf21("4","5","1","3","5","5","1","1") = "4"
    & skf21("4","5","1","3","5","5","2","1") = "4"
    & skf21("4","5","1","3","5","5","3","1") = "4"
    & skf21("4","5","1","3","5","5","4","1") = "4"
    & skf21("4","5","1","3","5","5","5","1") = "4"
    & skf21("4","5","1","3","5","5","6","1") = "5"
    & skf21("4","5","1","3","5","5","7","1") = "6"
    & skf21("4","5","1","3","5","6","1","1") = "5"
    & skf21("4","5","1","3","5","6","2","1") = "5"
    & skf21("4","5","1","3","5","6","3","1") = "5"
    & skf21("4","5","1","3","5","6","4","1") = "5"
    & skf21("4","5","1","3","5","6","5","1") = "5"
    & skf21("4","5","1","3","5","6","6","1") = "5"
    & skf21("4","5","1","3","5","6","7","1") = "6"
    & skf21("4","5","1","3","5","7","1","1") = "6"
    & skf21("4","5","1","3","5","7","2","1") = "6"
    & skf21("4","5","1","3","5","7","3","1") = "6"
    & skf21("4","5","1","3","5","7","4","1") = "6"
    & skf21("4","5","1","3","5","7","5","1") = "6"
    & skf21("4","5","1","3","5","7","6","1") = "6"
    & skf21("4","5","1","3","5","7","7","1") = "6"
    & skf21("4","5","1","3","6","1","1","1") = "5"
    & skf21("4","5","1","3","6","1","2","1") = "5"
    & skf21("4","5","1","3","6","1","3","1") = "5"
    & skf21("4","5","1","3","6","1","4","1") = "5"
    & skf21("4","5","1","3","6","1","5","1") = "5"
    & skf21("4","5","1","3","6","1","6","1") = "5"
    & skf21("4","5","1","3","6","1","7","1") = "6"
    & skf21("4","5","1","3","6","2","1","1") = "5"
    & skf21("4","5","1","3","6","2","2","1") = "5"
    & skf21("4","5","1","3","6","2","3","1") = "5"
    & skf21("4","5","1","3","6","2","4","1") = "5"
    & skf21("4","5","1","3","6","2","5","1") = "5"
    & skf21("4","5","1","3","6","2","6","1") = "5"
    & skf21("4","5","1","3","6","2","7","1") = "6"
    & skf21("4","5","1","3","6","3","1","1") = "5"
    & skf21("4","5","1","3","6","3","2","1") = "5"
    & skf21("4","5","1","3","6","3","3","1") = "5"
    & skf21("4","5","1","3","6","3","4","1") = "5"
    & skf21("4","5","1","3","6","3","5","1") = "5"
    & skf21("4","5","1","3","6","3","6","1") = "5"
    & skf21("4","5","1","3","6","3","7","1") = "6"
    & skf21("4","5","1","3","6","4","1","1") = "5"
    & skf21("4","5","1","3","6","4","2","1") = "5"
    & skf21("4","5","1","3","6","4","3","1") = "5"
    & skf21("4","5","1","3","6","4","4","1") = "5"
    & skf21("4","5","1","3","6","4","5","1") = "5"
    & skf21("4","5","1","3","6","4","6","1") = "5"
    & skf21("4","5","1","3","6","4","7","1") = "6"
    & skf21("4","5","1","3","6","5","1","1") = "5"
    & skf21("4","5","1","3","6","5","2","1") = "5"
    & skf21("4","5","1","3","6","5","3","1") = "5"
    & skf21("4","5","1","3","6","5","4","1") = "5"
    & skf21("4","5","1","3","6","5","5","1") = "5"
    & skf21("4","5","1","3","6","5","6","1") = "5"
    & skf21("4","5","1","3","6","5","7","1") = "6"
    & skf21("4","5","1","3","6","6","1","1") = "5"
    & skf21("4","5","1","3","6","6","2","1") = "5"
    & skf21("4","5","1","3","6","6","3","1") = "5"
    & skf21("4","5","1","3","6","6","4","1") = "5"
    & skf21("4","5","1","3","6","6","5","1") = "5"
    & skf21("4","5","1","3","6","6","6","1") = "5"
    & skf21("4","5","1","3","6","6","7","1") = "6"
    & skf21("4","5","1","3","6","7","1","1") = "6"
    & skf21("4","5","1","3","6","7","2","1") = "6"
    & skf21("4","5","1","3","6","7","3","1") = "6"
    & skf21("4","5","1","3","6","7","4","1") = "6"
    & skf21("4","5","1","3","6","7","5","1") = "6"
    & skf21("4","5","1","3","6","7","6","1") = "6"
    & skf21("4","5","1","3","6","7","7","1") = "6"
    & skf21("4","5","1","3","7","1","1","1") = "6"
    & skf21("4","5","1","3","7","1","2","1") = "6"
    & skf21("4","5","1","3","7","1","3","1") = "6"
    & skf21("4","5","1","3","7","1","4","1") = "6"
    & skf21("4","5","1","3","7","1","5","1") = "6"
    & skf21("4","5","1","3","7","1","6","1") = "6"
    & skf21("4","5","1","3","7","1","7","1") = "6"
    & skf21("4","5","1","3","7","2","1","1") = "6"
    & skf21("4","5","1","3","7","2","2","1") = "6"
    & skf21("4","5","1","3","7","2","3","1") = "6"
    & skf21("4","5","1","3","7","2","4","1") = "6"
    & skf21("4","5","1","3","7","2","5","1") = "6"
    & skf21("4","5","1","3","7","2","6","1") = "6"
    & skf21("4","5","1","3","7","2","7","1") = "6"
    & skf21("4","5","1","3","7","3","1","1") = "6"
    & skf21("4","5","1","3","7","3","2","1") = "6"
    & skf21("4","5","1","3","7","3","3","1") = "6"
    & skf21("4","5","1","3","7","3","4","1") = "6"
    & skf21("4","5","1","3","7","3","5","1") = "6"
    & skf21("4","5","1","3","7","3","6","1") = "6"
    & skf21("4","5","1","3","7","3","7","1") = "6"
    & skf21("4","5","1","3","7","4","1","1") = "6"
    & skf21("4","5","1","3","7","4","2","1") = "6"
    & skf21("4","5","1","3","7","4","3","1") = "6"
    & skf21("4","5","1","3","7","4","4","1") = "6"
    & skf21("4","5","1","3","7","4","5","1") = "6"
    & skf21("4","5","1","3","7","4","6","1") = "6"
    & skf21("4","5","1","3","7","4","7","1") = "6"
    & skf21("4","5","1","3","7","5","1","1") = "6"
    & skf21("4","5","1","3","7","5","2","1") = "6"
    & skf21("4","5","1","3","7","5","3","1") = "6"
    & skf21("4","5","1","3","7","5","4","1") = "6"
    & skf21("4","5","1","3","7","5","5","1") = "6"
    & skf21("4","5","1","3","7","5","6","1") = "6"
    & skf21("4","5","1","3","7","5","7","1") = "6"
    & skf21("4","5","1","3","7","6","1","1") = "6"
    & skf21("4","5","1","3","7","6","2","1") = "6"
    & skf21("4","5","1","3","7","6","3","1") = "6"
    & skf21("4","5","1","3","7","6","4","1") = "6"
    & skf21("4","5","1","3","7","6","5","1") = "6"
    & skf21("4","5","1","3","7","6","6","1") = "6"
    & skf21("4","5","1","3","7","6","7","1") = "6"
    & skf21("4","5","1","3","7","7","1","1") = "6"
    & skf21("4","5","1","3","7","7","2","1") = "6"
    & skf21("4","5","1","3","7","7","3","1") = "6"
    & skf21("4","5","1","3","7","7","4","1") = "6"
    & skf21("4","5","1","3","7","7","5","1") = "6"
    & skf21("4","5","1","3","7","7","6","1") = "6"
    & skf21("4","5","1","3","7","7","7","1") = "6"
    & skf21("4","5","1","4","1","1","1","1") = "4"
    & skf21("4","5","1","4","1","1","2","1") = "4"
    & skf21("4","5","1","4","1","1","3","1") = "4"
    & skf21("4","5","1","4","1","1","4","1") = "4"
    & skf21("4","5","1","4","1","1","5","1") = "4"
    & skf21("4","5","1","4","1","1","6","1") = "5"
    & skf21("4","5","1","4","1","1","7","1") = "6"
    & skf21("4","5","1","4","1","2","1","1") = "4"
    & skf21("4","5","1","4","1","2","2","1") = "4"
    & skf21("4","5","1","4","1","2","3","1") = "4"
    & skf21("4","5","1","4","1","2","4","1") = "4"
    & skf21("4","5","1","4","1","2","5","1") = "4"
    & skf21("4","5","1","4","1","2","6","1") = "5"
    & skf21("4","5","1","4","1","2","7","1") = "6"
    & skf21("4","5","1","4","1","3","1","1") = "4"
    & skf21("4","5","1","4","1","3","2","1") = "4"
    & skf21("4","5","1","4","1","3","3","1") = "4"
    & skf21("4","5","1","4","1","3","4","1") = "4"
    & skf21("4","5","1","4","1","3","5","1") = "4"
    & skf21("4","5","1","4","1","3","6","1") = "5"
    & skf21("4","5","1","4","1","3","7","1") = "6"
    & skf21("4","5","1","4","1","4","1","1") = "4"
    & skf21("4","5","1","4","1","4","2","1") = "4"
    & skf21("4","5","1","4","1","4","3","1") = "4"
    & skf21("4","5","1","4","1","4","4","1") = "4"
    & skf21("4","5","1","4","1","4","5","1") = "4"
    & skf21("4","5","1","4","1","4","6","1") = "5"
    & skf21("4","5","1","4","1","4","7","1") = "6"
    & skf21("4","5","1","4","1","5","1","1") = "4"
    & skf21("4","5","1","4","1","5","2","1") = "4"
    & skf21("4","5","1","4","1","5","3","1") = "4"
    & skf21("4","5","1","4","1","5","4","1") = "4"
    & skf21("4","5","1","4","1","5","5","1") = "4"
    & skf21("4","5","1","4","1","5","6","1") = "5"
    & skf21("4","5","1","4","1","5","7","1") = "6"
    & skf21("4","5","1","4","1","6","1","1") = "5"
    & skf21("4","5","1","4","1","6","2","1") = "5"
    & skf21("4","5","1","4","1","6","3","1") = "5"
    & skf21("4","5","1","4","1","6","4","1") = "5"
    & skf21("4","5","1","4","1","6","5","1") = "5"
    & skf21("4","5","1","4","1","6","6","1") = "5"
    & skf21("4","5","1","4","1","6","7","1") = "6"
    & skf21("4","5","1","4","1","7","1","1") = "6"
    & skf21("4","5","1","4","1","7","2","1") = "6"
    & skf21("4","5","1","4","1","7","3","1") = "6"
    & skf21("4","5","1","4","1","7","4","1") = "6"
    & skf21("4","5","1","4","1","7","5","1") = "6"
    & skf21("4","5","1","4","1","7","6","1") = "6"
    & skf21("4","5","1","4","1","7","7","1") = "6"
    & skf21("4","5","1","4","2","1","1","1") = "4"
    & skf21("4","5","1","4","2","1","2","1") = "4"
    & skf21("4","5","1","4","2","1","3","1") = "4"
    & skf21("4","5","1","4","2","1","4","1") = "4"
    & skf21("4","5","1","4","2","1","5","1") = "4"
    & skf21("4","5","1","4","2","1","6","1") = "5"
    & skf21("4","5","1","4","2","1","7","1") = "6"
    & skf21("4","5","1","4","2","2","1","1") = "4"
    & skf21("4","5","1","4","2","2","2","1") = "4"
    & skf21("4","5","1","4","2","2","3","1") = "4"
    & skf21("4","5","1","4","2","2","4","1") = "4"
    & skf21("4","5","1","4","2","2","5","1") = "4"
    & skf21("4","5","1","4","2","2","6","1") = "5"
    & skf21("4","5","1","4","2","2","7","1") = "6"
    & skf21("4","5","1","4","2","3","1","1") = "4"
    & skf21("4","5","1","4","2","3","2","1") = "4"
    & skf21("4","5","1","4","2","3","3","1") = "4"
    & skf21("4","5","1","4","2","3","4","1") = "4"
    & skf21("4","5","1","4","2","3","5","1") = "4"
    & skf21("4","5","1","4","2","3","6","1") = "5"
    & skf21("4","5","1","4","2","3","7","1") = "6"
    & skf21("4","5","1","4","2","4","1","1") = "4"
    & skf21("4","5","1","4","2","4","2","1") = "4"
    & skf21("4","5","1","4","2","4","3","1") = "4"
    & skf21("4","5","1","4","2","4","4","1") = "4"
    & skf21("4","5","1","4","2","4","5","1") = "4"
    & skf21("4","5","1","4","2","4","6","1") = "5"
    & skf21("4","5","1","4","2","4","7","1") = "6"
    & skf21("4","5","1","4","2","5","1","1") = "4"
    & skf21("4","5","1","4","2","5","2","1") = "4"
    & skf21("4","5","1","4","2","5","3","1") = "4"
    & skf21("4","5","1","4","2","5","4","1") = "4"
    & skf21("4","5","1","4","2","5","5","1") = "4"
    & skf21("4","5","1","4","2","5","6","1") = "5"
    & skf21("4","5","1","4","2","5","7","1") = "6"
    & skf21("4","5","1","4","2","6","1","1") = "5"
    & skf21("4","5","1","4","2","6","2","1") = "5"
    & skf21("4","5","1","4","2","6","3","1") = "5"
    & skf21("4","5","1","4","2","6","4","1") = "5"
    & skf21("4","5","1","4","2","6","5","1") = "5"
    & skf21("4","5","1","4","2","6","6","1") = "5"
    & skf21("4","5","1","4","2","6","7","1") = "6"
    & skf21("4","5","1","4","2","7","1","1") = "6"
    & skf21("4","5","1","4","2","7","2","1") = "6"
    & skf21("4","5","1","4","2","7","3","1") = "6"
    & skf21("4","5","1","4","2","7","4","1") = "6"
    & skf21("4","5","1","4","2","7","5","1") = "6"
    & skf21("4","5","1","4","2","7","6","1") = "6"
    & skf21("4","5","1","4","2","7","7","1") = "6"
    & skf21("4","5","1","4","3","1","1","1") = "4"
    & skf21("4","5","1","4","3","1","2","1") = "4"
    & skf21("4","5","1","4","3","1","3","1") = "4"
    & skf21("4","5","1","4","3","1","4","1") = "4"
    & skf21("4","5","1","4","3","1","5","1") = "4"
    & skf21("4","5","1","4","3","1","6","1") = "5"
    & skf21("4","5","1","4","3","1","7","1") = "6"
    & skf21("4","5","1","4","3","2","1","1") = "4"
    & skf21("4","5","1","4","3","2","2","1") = "4"
    & skf21("4","5","1","4","3","2","3","1") = "4"
    & skf21("4","5","1","4","3","2","4","1") = "4"
    & skf21("4","5","1","4","3","2","5","1") = "4"
    & skf21("4","5","1","4","3","2","6","1") = "5"
    & skf21("4","5","1","4","3","2","7","1") = "6"
    & skf21("4","5","1","4","3","3","1","1") = "4"
    & skf21("4","5","1","4","3","3","2","1") = "4"
    & skf21("4","5","1","4","3","3","3","1") = "4"
    & skf21("4","5","1","4","3","3","4","1") = "4"
    & skf21("4","5","1","4","3","3","5","1") = "4"
    & skf21("4","5","1","4","3","3","6","1") = "5"
    & skf21("4","5","1","4","3","3","7","1") = "6"
    & skf21("4","5","1","4","3","4","1","1") = "4"
    & skf21("4","5","1","4","3","4","2","1") = "4"
    & skf21("4","5","1","4","3","4","3","1") = "4"
    & skf21("4","5","1","4","3","4","4","1") = "4"
    & skf21("4","5","1","4","3","4","5","1") = "4"
    & skf21("4","5","1","4","3","4","6","1") = "5"
    & skf21("4","5","1","4","3","4","7","1") = "6"
    & skf21("4","5","1","4","3","5","1","1") = "4"
    & skf21("4","5","1","4","3","5","2","1") = "4"
    & skf21("4","5","1","4","3","5","3","1") = "4"
    & skf21("4","5","1","4","3","5","4","1") = "4"
    & skf21("4","5","1","4","3","5","5","1") = "4"
    & skf21("4","5","1","4","3","5","6","1") = "5"
    & skf21("4","5","1","4","3","5","7","1") = "6"
    & skf21("4","5","1","4","3","6","1","1") = "5"
    & skf21("4","5","1","4","3","6","2","1") = "5"
    & skf21("4","5","1","4","3","6","3","1") = "5"
    & skf21("4","5","1","4","3","6","4","1") = "5"
    & skf21("4","5","1","4","3","6","5","1") = "5"
    & skf21("4","5","1","4","3","6","6","1") = "5"
    & skf21("4","5","1","4","3","6","7","1") = "6"
    & skf21("4","5","1","4","3","7","1","1") = "6"
    & skf21("4","5","1","4","3","7","2","1") = "6"
    & skf21("4","5","1","4","3","7","3","1") = "6"
    & skf21("4","5","1","4","3","7","4","1") = "6"
    & skf21("4","5","1","4","3","7","5","1") = "6"
    & skf21("4","5","1","4","3","7","6","1") = "6"
    & skf21("4","5","1","4","3","7","7","1") = "6"
    & skf21("4","5","1","4","4","1","1","1") = "4"
    & skf21("4","5","1","4","4","1","2","1") = "4"
    & skf21("4","5","1","4","4","1","3","1") = "4"
    & skf21("4","5","1","4","4","1","4","1") = "4"
    & skf21("4","5","1","4","4","1","5","1") = "4"
    & skf21("4","5","1","4","4","1","6","1") = "5"
    & skf21("4","5","1","4","4","1","7","1") = "6"
    & skf21("4","5","1","4","4","2","1","1") = "4"
    & skf21("4","5","1","4","4","2","2","1") = "4"
    & skf21("4","5","1","4","4","2","3","1") = "4"
    & skf21("4","5","1","4","4","2","4","1") = "4"
    & skf21("4","5","1","4","4","2","5","1") = "4"
    & skf21("4","5","1","4","4","2","6","1") = "5"
    & skf21("4","5","1","4","4","2","7","1") = "6"
    & skf21("4","5","1","4","4","3","1","1") = "4"
    & skf21("4","5","1","4","4","3","2","1") = "4"
    & skf21("4","5","1","4","4","3","3","1") = "4"
    & skf21("4","5","1","4","4","3","4","1") = "4"
    & skf21("4","5","1","4","4","3","5","1") = "4"
    & skf21("4","5","1","4","4","3","6","1") = "5"
    & skf21("4","5","1","4","4","3","7","1") = "6"
    & skf21("4","5","1","4","4","4","1","1") = "4"
    & skf21("4","5","1","4","4","4","2","1") = "4"
    & skf21("4","5","1","4","4","4","3","1") = "4"
    & skf21("4","5","1","4","4","4","4","1") = "4"
    & skf21("4","5","1","4","4","4","5","1") = "4"
    & skf21("4","5","1","4","4","4","6","1") = "5"
    & skf21("4","5","1","4","4","4","7","1") = "6"
    & skf21("4","5","1","4","4","5","1","1") = "4"
    & skf21("4","5","1","4","4","5","2","1") = "4"
    & skf21("4","5","1","4","4","5","3","1") = "4"
    & skf21("4","5","1","4","4","5","4","1") = "4"
    & skf21("4","5","1","4","4","5","5","1") = "4"
    & skf21("4","5","1","4","4","5","6","1") = "5"
    & skf21("4","5","1","4","4","5","7","1") = "6"
    & skf21("4","5","1","4","4","6","1","1") = "5"
    & skf21("4","5","1","4","4","6","2","1") = "5"
    & skf21("4","5","1","4","4","6","3","1") = "5"
    & skf21("4","5","1","4","4","6","4","1") = "5"
    & skf21("4","5","1","4","4","6","5","1") = "5"
    & skf21("4","5","1","4","4","6","6","1") = "5"
    & skf21("4","5","1","4","4","6","7","1") = "6"
    & skf21("4","5","1","4","4","7","1","1") = "6"
    & skf21("4","5","1","4","4","7","2","1") = "6"
    & skf21("4","5","1","4","4","7","3","1") = "6"
    & skf21("4","5","1","4","4","7","4","1") = "6"
    & skf21("4","5","1","4","4","7","5","1") = "6"
    & skf21("4","5","1","4","4","7","6","1") = "6"
    & skf21("4","5","1","4","4","7","7","1") = "6"
    & skf21("4","5","1","4","5","1","1","1") = "4"
    & skf21("4","5","1","4","5","1","2","1") = "4"
    & skf21("4","5","1","4","5","1","3","1") = "4"
    & skf21("4","5","1","4","5","1","4","1") = "4"
    & skf21("4","5","1","4","5","1","5","1") = "4"
    & skf21("4","5","1","4","5","1","6","1") = "5"
    & skf21("4","5","1","4","5","1","7","1") = "6"
    & skf21("4","5","1","4","5","2","1","1") = "4"
    & skf21("4","5","1","4","5","2","2","1") = "4"
    & skf21("4","5","1","4","5","2","3","1") = "4"
    & skf21("4","5","1","4","5","2","4","1") = "4"
    & skf21("4","5","1","4","5","2","5","1") = "4"
    & skf21("4","5","1","4","5","2","6","1") = "5"
    & skf21("4","5","1","4","5","2","7","1") = "6"
    & skf21("4","5","1","4","5","3","1","1") = "4"
    & skf21("4","5","1","4","5","3","2","1") = "4"
    & skf21("4","5","1","4","5","3","3","1") = "4"
    & skf21("4","5","1","4","5","3","4","1") = "4"
    & skf21("4","5","1","4","5","3","5","1") = "4"
    & skf21("4","5","1","4","5","3","6","1") = "5"
    & skf21("4","5","1","4","5","3","7","1") = "6"
    & skf21("4","5","1","4","5","4","1","1") = "4"
    & skf21("4","5","1","4","5","4","2","1") = "4"
    & skf21("4","5","1","4","5","4","3","1") = "4"
    & skf21("4","5","1","4","5","4","4","1") = "4"
    & skf21("4","5","1","4","5","4","5","1") = "4"
    & skf21("4","5","1","4","5","4","6","1") = "5"
    & skf21("4","5","1","4","5","4","7","1") = "6"
    & skf21("4","5","1","4","5","5","1","1") = "4"
    & skf21("4","5","1","4","5","5","2","1") = "4"
    & skf21("4","5","1","4","5","5","3","1") = "4"
    & skf21("4","5","1","4","5","5","4","1") = "4"
    & skf21("4","5","1","4","5","5","5","1") = "4"
    & skf21("4","5","1","4","5","5","6","1") = "5"
    & skf21("4","5","1","4","5","5","7","1") = "6"
    & skf21("4","5","1","4","5","6","1","1") = "5"
    & skf21("4","5","1","4","5","6","2","1") = "5"
    & skf21("4","5","1","4","5","6","3","1") = "5"
    & skf21("4","5","1","4","5","6","4","1") = "5"
    & skf21("4","5","1","4","5","6","5","1") = "5"
    & skf21("4","5","1","4","5","6","6","1") = "5"
    & skf21("4","5","1","4","5","6","7","1") = "6"
    & skf21("4","5","1","4","5","7","1","1") = "6"
    & skf21("4","5","1","4","5","7","2","1") = "6"
    & skf21("4","5","1","4","5","7","3","1") = "6"
    & skf21("4","5","1","4","5","7","4","1") = "6"
    & skf21("4","5","1","4","5","7","5","1") = "6"
    & skf21("4","5","1","4","5","7","6","1") = "6"
    & skf21("4","5","1","4","5","7","7","1") = "6"
    & skf21("4","5","1","4","6","1","1","1") = "5"
    & skf21("4","5","1","4","6","1","2","1") = "5"
    & skf21("4","5","1","4","6","1","3","1") = "5"
    & skf21("4","5","1","4","6","1","4","1") = "5"
    & skf21("4","5","1","4","6","1","5","1") = "5"
    & skf21("4","5","1","4","6","1","6","1") = "5"
    & skf21("4","5","1","4","6","1","7","1") = "6"
    & skf21("4","5","1","4","6","2","1","1") = "5"
    & skf21("4","5","1","4","6","2","2","1") = "5"
    & skf21("4","5","1","4","6","2","3","1") = "5"
    & skf21("4","5","1","4","6","2","4","1") = "5"
    & skf21("4","5","1","4","6","2","5","1") = "5"
    & skf21("4","5","1","4","6","2","6","1") = "5"
    & skf21("4","5","1","4","6","2","7","1") = "6"
    & skf21("4","5","1","4","6","3","1","1") = "5"
    & skf21("4","5","1","4","6","3","2","1") = "5"
    & skf21("4","5","1","4","6","3","3","1") = "5"
    & skf21("4","5","1","4","6","3","4","1") = "5"
    & skf21("4","5","1","4","6","3","5","1") = "5"
    & skf21("4","5","1","4","6","3","6","1") = "5"
    & skf21("4","5","1","4","6","3","7","1") = "6"
    & skf21("4","5","1","4","6","4","1","1") = "5"
    & skf21("4","5","1","4","6","4","2","1") = "5"
    & skf21("4","5","1","4","6","4","3","1") = "5"
    & skf21("4","5","1","4","6","4","4","1") = "5"
    & skf21("4","5","1","4","6","4","5","1") = "5"
    & skf21("4","5","1","4","6","4","6","1") = "5"
    & skf21("4","5","1","4","6","4","7","1") = "6"
    & skf21("4","5","1","4","6","5","1","1") = "5"
    & skf21("4","5","1","4","6","5","2","1") = "5"
    & skf21("4","5","1","4","6","5","3","1") = "5"
    & skf21("4","5","1","4","6","5","4","1") = "5"
    & skf21("4","5","1","4","6","5","5","1") = "5"
    & skf21("4","5","1","4","6","5","6","1") = "5"
    & skf21("4","5","1","4","6","5","7","1") = "6"
    & skf21("4","5","1","4","6","6","1","1") = "5"
    & skf21("4","5","1","4","6","6","2","1") = "5"
    & skf21("4","5","1","4","6","6","3","1") = "5"
    & skf21("4","5","1","4","6","6","4","1") = "5"
    & skf21("4","5","1","4","6","6","5","1") = "5"
    & skf21("4","5","1","4","6","6","6","1") = "5"
    & skf21("4","5","1","4","6","6","7","1") = "6"
    & skf21("4","5","1","4","6","7","1","1") = "6"
    & skf21("4","5","1","4","6","7","2","1") = "6"
    & skf21("4","5","1","4","6","7","3","1") = "6"
    & skf21("4","5","1","4","6","7","4","1") = "6"
    & skf21("4","5","1","4","6","7","5","1") = "6"
    & skf21("4","5","1","4","6","7","6","1") = "6"
    & skf21("4","5","1","4","6","7","7","1") = "6"
    & skf21("4","5","1","4","7","1","1","1") = "6"
    & skf21("4","5","1","4","7","1","2","1") = "6"
    & skf21("4","5","1","4","7","1","3","1") = "6"
    & skf21("4","5","1","4","7","1","4","1") = "6"
    & skf21("4","5","1","4","7","1","5","1") = "6"
    & skf21("4","5","1","4","7","1","6","1") = "6"
    & skf21("4","5","1","4","7","1","7","1") = "6"
    & skf21("4","5","1","4","7","2","1","1") = "6"
    & skf21("4","5","1","4","7","2","2","1") = "6"
    & skf21("4","5","1","4","7","2","3","1") = "6"
    & skf21("4","5","1","4","7","2","4","1") = "6"
    & skf21("4","5","1","4","7","2","5","1") = "6"
    & skf21("4","5","1","4","7","2","6","1") = "6"
    & skf21("4","5","1","4","7","2","7","1") = "6"
    & skf21("4","5","1","4","7","3","1","1") = "6"
    & skf21("4","5","1","4","7","3","2","1") = "6"
    & skf21("4","5","1","4","7","3","3","1") = "6"
    & skf21("4","5","1","4","7","3","4","1") = "6"
    & skf21("4","5","1","4","7","3","5","1") = "6"
    & skf21("4","5","1","4","7","3","6","1") = "6"
    & skf21("4","5","1","4","7","3","7","1") = "6"
    & skf21("4","5","1","4","7","4","1","1") = "6"
    & skf21("4","5","1","4","7","4","2","1") = "6"
    & skf21("4","5","1","4","7","4","3","1") = "6"
    & skf21("4","5","1","4","7","4","4","1") = "6"
    & skf21("4","5","1","4","7","4","5","1") = "6"
    & skf21("4","5","1","4","7","4","6","1") = "6"
    & skf21("4","5","1","4","7","4","7","1") = "6"
    & skf21("4","5","1","4","7","5","1","1") = "6"
    & skf21("4","5","1","4","7","5","2","1") = "6"
    & skf21("4","5","1","4","7","5","3","1") = "6"
    & skf21("4","5","1","4","7","5","4","1") = "6"
    & skf21("4","5","1","4","7","5","5","1") = "6"
    & skf21("4","5","1","4","7","5","6","1") = "6"
    & skf21("4","5","1","4","7","5","7","1") = "6"
    & skf21("4","5","1","4","7","6","1","1") = "6"
    & skf21("4","5","1","4","7","6","2","1") = "6"
    & skf21("4","5","1","4","7","6","3","1") = "6"
    & skf21("4","5","1","4","7","6","4","1") = "6"
    & skf21("4","5","1","4","7","6","5","1") = "6"
    & skf21("4","5","1","4","7","6","6","1") = "6"
    & skf21("4","5","1","4","7","6","7","1") = "6"
    & skf21("4","5","1","4","7","7","1","1") = "6"
    & skf21("4","5","1","4","7","7","2","1") = "6"
    & skf21("4","5","1","4","7","7","3","1") = "6"
    & skf21("4","5","1","4","7","7","4","1") = "6"
    & skf21("4","5","1","4","7","7","5","1") = "6"
    & skf21("4","5","1","4","7","7","6","1") = "6"
    & skf21("4","5","1","4","7","7","7","1") = "6"
    & skf21("4","5","1","5","1","1","1","1") = "4"
    & skf21("4","5","1","5","1","1","2","1") = "4"
    & skf21("4","5","1","5","1","1","3","1") = "4"
    & skf21("4","5","1","5","1","1","4","1") = "4"
    & skf21("4","5","1","5","1","1","5","1") = "4"
    & skf21("4","5","1","5","1","1","6","1") = "5"
    & skf21("4","5","1","5","1","1","7","1") = "6"
    & skf21("4","5","1","5","1","2","1","1") = "4"
    & skf21("4","5","1","5","1","2","2","1") = "4"
    & skf21("4","5","1","5","1","2","3","1") = "4"
    & skf21("4","5","1","5","1","2","4","1") = "4"
    & skf21("4","5","1","5","1","2","5","1") = "4"
    & skf21("4","5","1","5","1","2","6","1") = "5"
    & skf21("4","5","1","5","1","2","7","1") = "6"
    & skf21("4","5","1","5","1","3","1","1") = "4"
    & skf21("4","5","1","5","1","3","2","1") = "4"
    & skf21("4","5","1","5","1","3","3","1") = "4"
    & skf21("4","5","1","5","1","3","4","1") = "4"
    & skf21("4","5","1","5","1","3","5","1") = "4"
    & skf21("4","5","1","5","1","3","6","1") = "5"
    & skf21("4","5","1","5","1","3","7","1") = "6"
    & skf21("4","5","1","5","1","4","1","1") = "4"
    & skf21("4","5","1","5","1","4","2","1") = "4"
    & skf21("4","5","1","5","1","4","3","1") = "4"
    & skf21("4","5","1","5","1","4","4","1") = "4"
    & skf21("4","5","1","5","1","4","5","1") = "4"
    & skf21("4","5","1","5","1","4","6","1") = "5"
    & skf21("4","5","1","5","1","4","7","1") = "6"
    & skf21("4","5","1","5","1","5","1","1") = "4"
    & skf21("4","5","1","5","1","5","2","1") = "4"
    & skf21("4","5","1","5","1","5","3","1") = "4"
    & skf21("4","5","1","5","1","5","4","1") = "4"
    & skf21("4","5","1","5","1","5","5","1") = "4"
    & skf21("4","5","1","5","1","5","6","1") = "5"
    & skf21("4","5","1","5","1","5","7","1") = "6"
    & skf21("4","5","1","5","1","6","1","1") = "5"
    & skf21("4","5","1","5","1","6","2","1") = "5"
    & skf21("4","5","1","5","1","6","3","1") = "5"
    & skf21("4","5","1","5","1","6","4","1") = "5"
    & skf21("4","5","1","5","1","6","5","1") = "5"
    & skf21("4","5","1","5","1","6","6","1") = "5"
    & skf21("4","5","1","5","1","6","7","1") = "6"
    & skf21("4","5","1","5","1","7","1","1") = "6"
    & skf21("4","5","1","5","1","7","2","1") = "6"
    & skf21("4","5","1","5","1","7","3","1") = "6"
    & skf21("4","5","1","5","1","7","4","1") = "6"
    & skf21("4","5","1","5","1","7","5","1") = "6"
    & skf21("4","5","1","5","1","7","6","1") = "6"
    & skf21("4","5","1","5","1","7","7","1") = "6"
    & skf21("4","5","1","5","2","1","1","1") = "4"
    & skf21("4","5","1","5","2","1","2","1") = "4"
    & skf21("4","5","1","5","2","1","3","1") = "4"
    & skf21("4","5","1","5","2","1","4","1") = "4"
    & skf21("4","5","1","5","2","1","5","1") = "4"
    & skf21("4","5","1","5","2","1","6","1") = "5"
    & skf21("4","5","1","5","2","1","7","1") = "6"
    & skf21("4","5","1","5","2","2","1","1") = "4"
    & skf21("4","5","1","5","2","2","2","1") = "4"
    & skf21("4","5","1","5","2","2","3","1") = "4"
    & skf21("4","5","1","5","2","2","4","1") = "4"
    & skf21("4","5","1","5","2","2","5","1") = "4"
    & skf21("4","5","1","5","2","2","6","1") = "5"
    & skf21("4","5","1","5","2","2","7","1") = "6"
    & skf21("4","5","1","5","2","3","1","1") = "4"
    & skf21("4","5","1","5","2","3","2","1") = "4"
    & skf21("4","5","1","5","2","3","3","1") = "4"
    & skf21("4","5","1","5","2","3","4","1") = "4"
    & skf21("4","5","1","5","2","3","5","1") = "4"
    & skf21("4","5","1","5","2","3","6","1") = "5"
    & skf21("4","5","1","5","2","3","7","1") = "6"
    & skf21("4","5","1","5","2","4","1","1") = "4"
    & skf21("4","5","1","5","2","4","2","1") = "4"
    & skf21("4","5","1","5","2","4","3","1") = "4"
    & skf21("4","5","1","5","2","4","4","1") = "4"
    & skf21("4","5","1","5","2","4","5","1") = "4"
    & skf21("4","5","1","5","2","4","6","1") = "5"
    & skf21("4","5","1","5","2","4","7","1") = "6"
    & skf21("4","5","1","5","2","5","1","1") = "4"
    & skf21("4","5","1","5","2","5","2","1") = "4"
    & skf21("4","5","1","5","2","5","3","1") = "4"
    & skf21("4","5","1","5","2","5","4","1") = "4"
    & skf21("4","5","1","5","2","5","5","1") = "4"
    & skf21("4","5","1","5","2","5","6","1") = "5"
    & skf21("4","5","1","5","2","5","7","1") = "6"
    & skf21("4","5","1","5","2","6","1","1") = "5"
    & skf21("4","5","1","5","2","6","2","1") = "5"
    & skf21("4","5","1","5","2","6","3","1") = "5"
    & skf21("4","5","1","5","2","6","4","1") = "5"
    & skf21("4","5","1","5","2","6","5","1") = "5"
    & skf21("4","5","1","5","2","6","6","1") = "5"
    & skf21("4","5","1","5","2","6","7","1") = "6"
    & skf21("4","5","1","5","2","7","1","1") = "6"
    & skf21("4","5","1","5","2","7","2","1") = "6"
    & skf21("4","5","1","5","2","7","3","1") = "6"
    & skf21("4","5","1","5","2","7","4","1") = "6"
    & skf21("4","5","1","5","2","7","5","1") = "6"
    & skf21("4","5","1","5","2","7","6","1") = "6"
    & skf21("4","5","1","5","2","7","7","1") = "6"
    & skf21("4","5","1","5","3","1","1","1") = "4"
    & skf21("4","5","1","5","3","1","2","1") = "4"
    & skf21("4","5","1","5","3","1","3","1") = "4"
    & skf21("4","5","1","5","3","1","4","1") = "4"
    & skf21("4","5","1","5","3","1","5","1") = "4"
    & skf21("4","5","1","5","3","1","6","1") = "5"
    & skf21("4","5","1","5","3","1","7","1") = "6"
    & skf21("4","5","1","5","3","2","1","1") = "4"
    & skf21("4","5","1","5","3","2","2","1") = "4"
    & skf21("4","5","1","5","3","2","3","1") = "4"
    & skf21("4","5","1","5","3","2","4","1") = "4"
    & skf21("4","5","1","5","3","2","5","1") = "4"
    & skf21("4","5","1","5","3","2","6","1") = "5"
    & skf21("4","5","1","5","3","2","7","1") = "6"
    & skf21("4","5","1","5","3","3","1","1") = "4"
    & skf21("4","5","1","5","3","3","2","1") = "4"
    & skf21("4","5","1","5","3","3","3","1") = "4"
    & skf21("4","5","1","5","3","3","4","1") = "4"
    & skf21("4","5","1","5","3","3","5","1") = "4"
    & skf21("4","5","1","5","3","3","6","1") = "5"
    & skf21("4","5","1","5","3","3","7","1") = "6"
    & skf21("4","5","1","5","3","4","1","1") = "4"
    & skf21("4","5","1","5","3","4","2","1") = "4"
    & skf21("4","5","1","5","3","4","3","1") = "4"
    & skf21("4","5","1","5","3","4","4","1") = "4"
    & skf21("4","5","1","5","3","4","5","1") = "4"
    & skf21("4","5","1","5","3","4","6","1") = "5"
    & skf21("4","5","1","5","3","4","7","1") = "6"
    & skf21("4","5","1","5","3","5","1","1") = "4"
    & skf21("4","5","1","5","3","5","2","1") = "4"
    & skf21("4","5","1","5","3","5","3","1") = "4"
    & skf21("4","5","1","5","3","5","4","1") = "4"
    & skf21("4","5","1","5","3","5","5","1") = "4"
    & skf21("4","5","1","5","3","5","6","1") = "5"
    & skf21("4","5","1","5","3","5","7","1") = "6"
    & skf21("4","5","1","5","3","6","1","1") = "5"
    & skf21("4","5","1","5","3","6","2","1") = "5"
    & skf21("4","5","1","5","3","6","3","1") = "5"
    & skf21("4","5","1","5","3","6","4","1") = "5"
    & skf21("4","5","1","5","3","6","5","1") = "5"
    & skf21("4","5","1","5","3","6","6","1") = "5"
    & skf21("4","5","1","5","3","6","7","1") = "6"
    & skf21("4","5","1","5","3","7","1","1") = "6"
    & skf21("4","5","1","5","3","7","2","1") = "6"
    & skf21("4","5","1","5","3","7","3","1") = "6"
    & skf21("4","5","1","5","3","7","4","1") = "6"
    & skf21("4","5","1","5","3","7","5","1") = "6"
    & skf21("4","5","1","5","3","7","6","1") = "6"
    & skf21("4","5","1","5","3","7","7","1") = "6"
    & skf21("4","5","1","5","4","1","1","1") = "4"
    & skf21("4","5","1","5","4","1","2","1") = "4"
    & skf21("4","5","1","5","4","1","3","1") = "4"
    & skf21("4","5","1","5","4","1","4","1") = "4"
    & skf21("4","5","1","5","4","1","5","1") = "4"
    & skf21("4","5","1","5","4","1","6","1") = "5"
    & skf21("4","5","1","5","4","1","7","1") = "6"
    & skf21("4","5","1","5","4","2","1","1") = "4"
    & skf21("4","5","1","5","4","2","2","1") = "4"
    & skf21("4","5","1","5","4","2","3","1") = "4"
    & skf21("4","5","1","5","4","2","4","1") = "4"
    & skf21("4","5","1","5","4","2","5","1") = "4"
    & skf21("4","5","1","5","4","2","6","1") = "5"
    & skf21("4","5","1","5","4","2","7","1") = "6"
    & skf21("4","5","1","5","4","3","1","1") = "4"
    & skf21("4","5","1","5","4","3","2","1") = "4"
    & skf21("4","5","1","5","4","3","3","1") = "4"
    & skf21("4","5","1","5","4","3","4","1") = "4"
    & skf21("4","5","1","5","4","3","5","1") = "4"
    & skf21("4","5","1","5","4","3","6","1") = "5"
    & skf21("4","5","1","5","4","3","7","1") = "6"
    & skf21("4","5","1","5","4","4","1","1") = "4"
    & skf21("4","5","1","5","4","4","2","1") = "4"
    & skf21("4","5","1","5","4","4","3","1") = "4"
    & skf21("4","5","1","5","4","4","4","1") = "4"
    & skf21("4","5","1","5","4","4","5","1") = "4"
    & skf21("4","5","1","5","4","4","6","1") = "5"
    & skf21("4","5","1","5","4","4","7","1") = "6"
    & skf21("4","5","1","5","4","5","1","1") = "4"
    & skf21("4","5","1","5","4","5","2","1") = "4"
    & skf21("4","5","1","5","4","5","3","1") = "4"
    & skf21("4","5","1","5","4","5","4","1") = "4"
    & skf21("4","5","1","5","4","5","5","1") = "4"
    & skf21("4","5","1","5","4","5","6","1") = "5"
    & skf21("4","5","1","5","4","5","7","1") = "6"
    & skf21("4","5","1","5","4","6","1","1") = "5"
    & skf21("4","5","1","5","4","6","2","1") = "5"
    & skf21("4","5","1","5","4","6","3","1") = "5"
    & skf21("4","5","1","5","4","6","4","1") = "5"
    & skf21("4","5","1","5","4","6","5","1") = "5"
    & skf21("4","5","1","5","4","6","6","1") = "5"
    & skf21("4","5","1","5","4","6","7","1") = "6"
    & skf21("4","5","1","5","4","7","1","1") = "6"
    & skf21("4","5","1","5","4","7","2","1") = "6"
    & skf21("4","5","1","5","4","7","3","1") = "6"
    & skf21("4","5","1","5","4","7","4","1") = "6"
    & skf21("4","5","1","5","4","7","5","1") = "6"
    & skf21("4","5","1","5","4","7","6","1") = "6"
    & skf21("4","5","1","5","4","7","7","1") = "6"
    & skf21("4","5","1","5","5","1","1","1") = "4"
    & skf21("4","5","1","5","5","1","2","1") = "4"
    & skf21("4","5","1","5","5","1","3","1") = "4"
    & skf21("4","5","1","5","5","1","4","1") = "4"
    & skf21("4","5","1","5","5","1","5","1") = "4"
    & skf21("4","5","1","5","5","1","6","1") = "5"
    & skf21("4","5","1","5","5","1","7","1") = "6"
    & skf21("4","5","1","5","5","2","1","1") = "4"
    & skf21("4","5","1","5","5","2","2","1") = "4"
    & skf21("4","5","1","5","5","2","3","1") = "4"
    & skf21("4","5","1","5","5","2","4","1") = "4"
    & skf21("4","5","1","5","5","2","5","1") = "4"
    & skf21("4","5","1","5","5","2","6","1") = "5"
    & skf21("4","5","1","5","5","2","7","1") = "6"
    & skf21("4","5","1","5","5","3","1","1") = "4"
    & skf21("4","5","1","5","5","3","2","1") = "4"
    & skf21("4","5","1","5","5","3","3","1") = "4"
    & skf21("4","5","1","5","5","3","4","1") = "4"
    & skf21("4","5","1","5","5","3","5","1") = "4"
    & skf21("4","5","1","5","5","3","6","1") = "5"
    & skf21("4","5","1","5","5","3","7","1") = "6"
    & skf21("4","5","1","5","5","4","1","1") = "4"
    & skf21("4","5","1","5","5","4","2","1") = "4"
    & skf21("4","5","1","5","5","4","3","1") = "4"
    & skf21("4","5","1","5","5","4","4","1") = "4"
    & skf21("4","5","1","5","5","4","5","1") = "4"
    & skf21("4","5","1","5","5","4","6","1") = "5"
    & skf21("4","5","1","5","5","4","7","1") = "6"
    & skf21("4","5","1","5","5","5","1","1") = "4"
    & skf21("4","5","1","5","5","5","2","1") = "4"
    & skf21("4","5","1","5","5","5","3","1") = "4"
    & skf21("4","5","1","5","5","5","4","1") = "4"
    & skf21("4","5","1","5","5","5","5","1") = "4"
    & skf21("4","5","1","5","5","5","6","1") = "5"
    & skf21("4","5","1","5","5","5","7","1") = "6"
    & skf21("4","5","1","5","5","6","1","1") = "5"
    & skf21("4","5","1","5","5","6","2","1") = "5"
    & skf21("4","5","1","5","5","6","3","1") = "5"
    & skf21("4","5","1","5","5","6","4","1") = "5"
    & skf21("4","5","1","5","5","6","5","1") = "5"
    & skf21("4","5","1","5","5","6","6","1") = "5"
    & skf21("4","5","1","5","5","6","7","1") = "6"
    & skf21("4","5","1","5","5","7","1","1") = "6"
    & skf21("4","5","1","5","5","7","2","1") = "6"
    & skf21("4","5","1","5","5","7","3","1") = "6"
    & skf21("4","5","1","5","5","7","4","1") = "6"
    & skf21("4","5","1","5","5","7","5","1") = "6"
    & skf21("4","5","1","5","5","7","6","1") = "6"
    & skf21("4","5","1","5","5","7","7","1") = "6"
    & skf21("4","5","1","5","6","1","1","1") = "5"
    & skf21("4","5","1","5","6","1","2","1") = "5"
    & skf21("4","5","1","5","6","1","3","1") = "5"
    & skf21("4","5","1","5","6","1","4","1") = "5"
    & skf21("4","5","1","5","6","1","5","1") = "5"
    & skf21("4","5","1","5","6","1","6","1") = "5"
    & skf21("4","5","1","5","6","1","7","1") = "6"
    & skf21("4","5","1","5","6","2","1","1") = "5"
    & skf21("4","5","1","5","6","2","2","1") = "5"
    & skf21("4","5","1","5","6","2","3","1") = "5"
    & skf21("4","5","1","5","6","2","4","1") = "5"
    & skf21("4","5","1","5","6","2","5","1") = "5"
    & skf21("4","5","1","5","6","2","6","1") = "5"
    & skf21("4","5","1","5","6","2","7","1") = "6"
    & skf21("4","5","1","5","6","3","1","1") = "5"
    & skf21("4","5","1","5","6","3","2","1") = "5"
    & skf21("4","5","1","5","6","3","3","1") = "5"
    & skf21("4","5","1","5","6","3","4","1") = "5"
    & skf21("4","5","1","5","6","3","5","1") = "5"
    & skf21("4","5","1","5","6","3","6","1") = "5"
    & skf21("4","5","1","5","6","3","7","1") = "6"
    & skf21("4","5","1","5","6","4","1","1") = "5"
    & skf21("4","5","1","5","6","4","2","1") = "5"
    & skf21("4","5","1","5","6","4","3","1") = "5"
    & skf21("4","5","1","5","6","4","4","1") = "5"
    & skf21("4","5","1","5","6","4","5","1") = "5"
    & skf21("4","5","1","5","6","4","6","1") = "5"
    & skf21("4","5","1","5","6","4","7","1") = "6"
    & skf21("4","5","1","5","6","5","1","1") = "5"
    & skf21("4","5","1","5","6","5","2","1") = "5"
    & skf21("4","5","1","5","6","5","3","1") = "5"
    & skf21("4","5","1","5","6","5","4","1") = "5"
    & skf21("4","5","1","5","6","5","5","1") = "5"
    & skf21("4","5","1","5","6","5","6","1") = "5"
    & skf21("4","5","1","5","6","5","7","1") = "6"
    & skf21("4","5","1","5","6","6","1","1") = "5"
    & skf21("4","5","1","5","6","6","2","1") = "5"
    & skf21("4","5","1","5","6","6","3","1") = "5"
    & skf21("4","5","1","5","6","6","4","1") = "5"
    & skf21("4","5","1","5","6","6","5","1") = "5"
    & skf21("4","5","1","5","6","6","6","1") = "5"
    & skf21("4","5","1","5","6","6","7","1") = "6"
    & skf21("4","5","1","5","6","7","1","1") = "6"
    & skf21("4","5","1","5","6","7","2","1") = "6"
    & skf21("4","5","1","5","6","7","3","1") = "6"
    & skf21("4","5","1","5","6","7","4","1") = "6"
    & skf21("4","5","1","5","6","7","5","1") = "6"
    & skf21("4","5","1","5","6","7","6","1") = "6"
    & skf21("4","5","1","5","6","7","7","1") = "6"
    & skf21("4","5","1","5","7","1","1","1") = "6"
    & skf21("4","5","1","5","7","1","2","1") = "6"
    & skf21("4","5","1","5","7","1","3","1") = "6"
    & skf21("4","5","1","5","7","1","4","1") = "6"
    & skf21("4","5","1","5","7","1","5","1") = "6"
    & skf21("4","5","1","5","7","1","6","1") = "6"
    & skf21("4","5","1","5","7","1","7","1") = "6"
    & skf21("4","5","1","5","7","2","1","1") = "6"
    & skf21("4","5","1","5","7","2","2","1") = "6"
    & skf21("4","5","1","5","7","2","3","1") = "6"
    & skf21("4","5","1","5","7","2","4","1") = "6"
    & skf21("4","5","1","5","7","2","5","1") = "6"
    & skf21("4","5","1","5","7","2","6","1") = "6"
    & skf21("4","5","1","5","7","2","7","1") = "6"
    & skf21("4","5","1","5","7","3","1","1") = "6"
    & skf21("4","5","1","5","7","3","2","1") = "6"
    & skf21("4","5","1","5","7","3","3","1") = "6"
    & skf21("4","5","1","5","7","3","4","1") = "6"
    & skf21("4","5","1","5","7","3","5","1") = "6"
    & skf21("4","5","1","5","7","3","6","1") = "6"
    & skf21("4","5","1","5","7","3","7","1") = "6"
    & skf21("4","5","1","5","7","4","1","1") = "6"
    & skf21("4","5","1","5","7","4","2","1") = "6"
    & skf21("4","5","1","5","7","4","3","1") = "6"
    & skf21("4","5","1","5","7","4","4","1") = "6"
    & skf21("4","5","1","5","7","4","5","1") = "6"
    & skf21("4","5","1","5","7","4","6","1") = "6"
    & skf21("4","5","1","5","7","4","7","1") = "6"
    & skf21("4","5","1","5","7","5","1","1") = "6"
    & skf21("4","5","1","5","7","5","2","1") = "6"
    & skf21("4","5","1","5","7","5","3","1") = "6"
    & skf21("4","5","1","5","7","5","4","1") = "6"
    & skf21("4","5","1","5","7","5","5","1") = "6"
    & skf21("4","5","1","5","7","5","6","1") = "6"
    & skf21("4","5","1","5","7","5","7","1") = "6"
    & skf21("4","5","1","5","7","6","1","1") = "6"
    & skf21("4","5","1","5","7","6","2","1") = "6"
    & skf21("4","5","1","5","7","6","3","1") = "6"
    & skf21("4","5","1","5","7","6","4","1") = "6"
    & skf21("4","5","1","5","7","6","5","1") = "6"
    & skf21("4","5","1","5","7","6","6","1") = "6"
    & skf21("4","5","1","5","7","6","7","1") = "6"
    & skf21("4","5","1","5","7","7","1","1") = "6"
    & skf21("4","5","1","5","7","7","2","1") = "6"
    & skf21("4","5","1","5","7","7","3","1") = "6"
    & skf21("4","5","1","5","7","7","4","1") = "6"
    & skf21("4","5","1","5","7","7","5","1") = "6"
    & skf21("4","5","1","5","7","7","6","1") = "6"
    & skf21("4","5","1","5","7","7","7","1") = "6"
    & skf21("4","5","1","6","1","1","1","1") = "5"
    & skf21("4","5","1","6","1","1","2","1") = "5"
    & skf21("4","5","1","6","1","1","3","1") = "5"
    & skf21("4","5","1","6","1","1","4","1") = "5"
    & skf21("4","5","1","6","1","1","5","1") = "5"
    & skf21("4","5","1","6","1","1","6","1") = "5"
    & skf21("4","5","1","6","1","1","7","1") = "6"
    & skf21("4","5","1","6","1","2","1","1") = "5"
    & skf21("4","5","1","6","1","2","2","1") = "5"
    & skf21("4","5","1","6","1","2","3","1") = "5"
    & skf21("4","5","1","6","1","2","4","1") = "5"
    & skf21("4","5","1","6","1","2","5","1") = "5"
    & skf21("4","5","1","6","1","2","6","1") = "5"
    & skf21("4","5","1","6","1","2","7","1") = "6"
    & skf21("4","5","1","6","1","3","1","1") = "5"
    & skf21("4","5","1","6","1","3","2","1") = "5"
    & skf21("4","5","1","6","1","3","3","1") = "5"
    & skf21("4","5","1","6","1","3","4","1") = "5"
    & skf21("4","5","1","6","1","3","5","1") = "5"
    & skf21("4","5","1","6","1","3","6","1") = "5"
    & skf21("4","5","1","6","1","3","7","1") = "6"
    & skf21("4","5","1","6","1","4","1","1") = "5"
    & skf21("4","5","1","6","1","4","2","1") = "5"
    & skf21("4","5","1","6","1","4","3","1") = "5"
    & skf21("4","5","1","6","1","4","4","1") = "5"
    & skf21("4","5","1","6","1","4","5","1") = "5"
    & skf21("4","5","1","6","1","4","6","1") = "5"
    & skf21("4","5","1","6","1","4","7","1") = "6"
    & skf21("4","5","1","6","1","5","1","1") = "5"
    & skf21("4","5","1","6","1","5","2","1") = "5"
    & skf21("4","5","1","6","1","5","3","1") = "5"
    & skf21("4","5","1","6","1","5","4","1") = "5"
    & skf21("4","5","1","6","1","5","5","1") = "5"
    & skf21("4","5","1","6","1","5","6","1") = "5"
    & skf21("4","5","1","6","1","5","7","1") = "6"
    & skf21("4","5","1","6","1","6","1","1") = "5"
    & skf21("4","5","1","6","1","6","2","1") = "5"
    & skf21("4","5","1","6","1","6","3","1") = "5"
    & skf21("4","5","1","6","1","6","4","1") = "5"
    & skf21("4","5","1","6","1","6","5","1") = "5"
    & skf21("4","5","1","6","1","6","6","1") = "5"
    & skf21("4","5","1","6","1","6","7","1") = "6"
    & skf21("4","5","1","6","1","7","1","1") = "6"
    & skf21("4","5","1","6","1","7","2","1") = "6"
    & skf21("4","5","1","6","1","7","3","1") = "6"
    & skf21("4","5","1","6","1","7","4","1") = "6"
    & skf21("4","5","1","6","1","7","5","1") = "6"
    & skf21("4","5","1","6","1","7","6","1") = "6"
    & skf21("4","5","1","6","1","7","7","1") = "6"
    & skf21("4","5","1","6","2","1","1","1") = "5"
    & skf21("4","5","1","6","2","1","2","1") = "5"
    & skf21("4","5","1","6","2","1","3","1") = "5"
    & skf21("4","5","1","6","2","1","4","1") = "5"
    & skf21("4","5","1","6","2","1","5","1") = "5"
    & skf21("4","5","1","6","2","1","6","1") = "5"
    & skf21("4","5","1","6","2","1","7","1") = "6"
    & skf21("4","5","1","6","2","2","1","1") = "5"
    & skf21("4","5","1","6","2","2","2","1") = "5"
    & skf21("4","5","1","6","2","2","3","1") = "5"
    & skf21("4","5","1","6","2","2","4","1") = "5"
    & skf21("4","5","1","6","2","2","5","1") = "5"
    & skf21("4","5","1","6","2","2","6","1") = "5"
    & skf21("4","5","1","6","2","2","7","1") = "6"
    & skf21("4","5","1","6","2","3","1","1") = "5"
    & skf21("4","5","1","6","2","3","2","1") = "5"
    & skf21("4","5","1","6","2","3","3","1") = "5"
    & skf21("4","5","1","6","2","3","4","1") = "5"
    & skf21("4","5","1","6","2","3","5","1") = "5"
    & skf21("4","5","1","6","2","3","6","1") = "5"
    & skf21("4","5","1","6","2","3","7","1") = "6"
    & skf21("4","5","1","6","2","4","1","1") = "5"
    & skf21("4","5","1","6","2","4","2","1") = "5"
    & skf21("4","5","1","6","2","4","3","1") = "5"
    & skf21("4","5","1","6","2","4","4","1") = "5"
    & skf21("4","5","1","6","2","4","5","1") = "5"
    & skf21("4","5","1","6","2","4","6","1") = "5"
    & skf21("4","5","1","6","2","4","7","1") = "6"
    & skf21("4","5","1","6","2","5","1","1") = "5"
    & skf21("4","5","1","6","2","5","2","1") = "5"
    & skf21("4","5","1","6","2","5","3","1") = "5"
    & skf21("4","5","1","6","2","5","4","1") = "5"
    & skf21("4","5","1","6","2","5","5","1") = "5"
    & skf21("4","5","1","6","2","5","6","1") = "5"
    & skf21("4","5","1","6","2","5","7","1") = "6"
    & skf21("4","5","1","6","2","6","1","1") = "5"
    & skf21("4","5","1","6","2","6","2","1") = "5"
    & skf21("4","5","1","6","2","6","3","1") = "5"
    & skf21("4","5","1","6","2","6","4","1") = "5"
    & skf21("4","5","1","6","2","6","5","1") = "5"
    & skf21("4","5","1","6","2","6","6","1") = "5"
    & skf21("4","5","1","6","2","6","7","1") = "6"
    & skf21("4","5","1","6","2","7","1","1") = "6"
    & skf21("4","5","1","6","2","7","2","1") = "6"
    & skf21("4","5","1","6","2","7","3","1") = "6"
    & skf21("4","5","1","6","2","7","4","1") = "6"
    & skf21("4","5","1","6","2","7","5","1") = "6"
    & skf21("4","5","1","6","2","7","6","1") = "6"
    & skf21("4","5","1","6","2","7","7","1") = "6"
    & skf21("4","5","1","6","3","1","1","1") = "5"
    & skf21("4","5","1","6","3","1","2","1") = "5"
    & skf21("4","5","1","6","3","1","3","1") = "5"
    & skf21("4","5","1","6","3","1","4","1") = "5"
    & skf21("4","5","1","6","3","1","5","1") = "5"
    & skf21("4","5","1","6","3","1","6","1") = "5"
    & skf21("4","5","1","6","3","1","7","1") = "6"
    & skf21("4","5","1","6","3","2","1","1") = "5"
    & skf21("4","5","1","6","3","2","2","1") = "5"
    & skf21("4","5","1","6","3","2","3","1") = "5"
    & skf21("4","5","1","6","3","2","4","1") = "5"
    & skf21("4","5","1","6","3","2","5","1") = "5"
    & skf21("4","5","1","6","3","2","6","1") = "5"
    & skf21("4","5","1","6","3","2","7","1") = "6"
    & skf21("4","5","1","6","3","3","1","1") = "5"
    & skf21("4","5","1","6","3","3","2","1") = "5"
    & skf21("4","5","1","6","3","3","3","1") = "5"
    & skf21("4","5","1","6","3","3","4","1") = "5"
    & skf21("4","5","1","6","3","3","5","1") = "5"
    & skf21("4","5","1","6","3","3","6","1") = "5"
    & skf21("4","5","1","6","3","3","7","1") = "6"
    & skf21("4","5","1","6","3","4","1","1") = "5"
    & skf21("4","5","1","6","3","4","2","1") = "5"
    & skf21("4","5","1","6","3","4","3","1") = "5"
    & skf21("4","5","1","6","3","4","4","1") = "5"
    & skf21("4","5","1","6","3","4","5","1") = "5"
    & skf21("4","5","1","6","3","4","6","1") = "5"
    & skf21("4","5","1","6","3","4","7","1") = "6"
    & skf21("4","5","1","6","3","5","1","1") = "5"
    & skf21("4","5","1","6","3","5","2","1") = "5"
    & skf21("4","5","1","6","3","5","3","1") = "5"
    & skf21("4","5","1","6","3","5","4","1") = "5"
    & skf21("4","5","1","6","3","5","5","1") = "5"
    & skf21("4","5","1","6","3","5","6","1") = "5"
    & skf21("4","5","1","6","3","5","7","1") = "6"
    & skf21("4","5","1","6","3","6","1","1") = "5"
    & skf21("4","5","1","6","3","6","2","1") = "5"
    & skf21("4","5","1","6","3","6","3","1") = "5"
    & skf21("4","5","1","6","3","6","4","1") = "5"
    & skf21("4","5","1","6","3","6","5","1") = "5"
    & skf21("4","5","1","6","3","6","6","1") = "5"
    & skf21("4","5","1","6","3","6","7","1") = "6"
    & skf21("4","5","1","6","3","7","1","1") = "6"
    & skf21("4","5","1","6","3","7","2","1") = "6"
    & skf21("4","5","1","6","3","7","3","1") = "6"
    & skf21("4","5","1","6","3","7","4","1") = "6"
    & skf21("4","5","1","6","3","7","5","1") = "6"
    & skf21("4","5","1","6","3","7","6","1") = "6"
    & skf21("4","5","1","6","3","7","7","1") = "6"
    & skf21("4","5","1","6","4","1","1","1") = "5"
    & skf21("4","5","1","6","4","1","2","1") = "5"
    & skf21("4","5","1","6","4","1","3","1") = "5"
    & skf21("4","5","1","6","4","1","4","1") = "5"
    & skf21("4","5","1","6","4","1","5","1") = "5"
    & skf21("4","5","1","6","4","1","6","1") = "5"
    & skf21("4","5","1","6","4","1","7","1") = "6"
    & skf21("4","5","1","6","4","2","1","1") = "5"
    & skf21("4","5","1","6","4","2","2","1") = "5"
    & skf21("4","5","1","6","4","2","3","1") = "5"
    & skf21("4","5","1","6","4","2","4","1") = "5"
    & skf21("4","5","1","6","4","2","5","1") = "5"
    & skf21("4","5","1","6","4","2","6","1") = "5"
    & skf21("4","5","1","6","4","2","7","1") = "6"
    & skf21("4","5","1","6","4","3","1","1") = "5"
    & skf21("4","5","1","6","4","3","2","1") = "5"
    & skf21("4","5","1","6","4","3","3","1") = "5"
    & skf21("4","5","1","6","4","3","4","1") = "5"
    & skf21("4","5","1","6","4","3","5","1") = "5"
    & skf21("4","5","1","6","4","3","6","1") = "5"
    & skf21("4","5","1","6","4","3","7","1") = "6"
    & skf21("4","5","1","6","4","4","1","1") = "5"
    & skf21("4","5","1","6","4","4","2","1") = "5"
    & skf21("4","5","1","6","4","4","3","1") = "5"
    & skf21("4","5","1","6","4","4","4","1") = "5"
    & skf21("4","5","1","6","4","4","5","1") = "5"
    & skf21("4","5","1","6","4","4","6","1") = "5"
    & skf21("4","5","1","6","4","4","7","1") = "6"
    & skf21("4","5","1","6","4","5","1","1") = "5"
    & skf21("4","5","1","6","4","5","2","1") = "5"
    & skf21("4","5","1","6","4","5","3","1") = "5"
    & skf21("4","5","1","6","4","5","4","1") = "5"
    & skf21("4","5","1","6","4","5","5","1") = "5"
    & skf21("4","5","1","6","4","5","6","1") = "5"
    & skf21("4","5","1","6","4","5","7","1") = "6"
    & skf21("4","5","1","6","4","6","1","1") = "5"
    & skf21("4","5","1","6","4","6","2","1") = "5"
    & skf21("4","5","1","6","4","6","3","1") = "5"
    & skf21("4","5","1","6","4","6","4","1") = "5"
    & skf21("4","5","1","6","4","6","5","1") = "5"
    & skf21("4","5","1","6","4","6","6","1") = "5"
    & skf21("4","5","1","6","4","6","7","1") = "6"
    & skf21("4","5","1","6","4","7","1","1") = "6"
    & skf21("4","5","1","6","4","7","2","1") = "6"
    & skf21("4","5","1","6","4","7","3","1") = "6"
    & skf21("4","5","1","6","4","7","4","1") = "6"
    & skf21("4","5","1","6","4","7","5","1") = "6"
    & skf21("4","5","1","6","4","7","6","1") = "6"
    & skf21("4","5","1","6","4","7","7","1") = "6"
    & skf21("4","5","1","6","5","1","1","1") = "5"
    & skf21("4","5","1","6","5","1","2","1") = "5"
    & skf21("4","5","1","6","5","1","3","1") = "5"
    & skf21("4","5","1","6","5","1","4","1") = "5"
    & skf21("4","5","1","6","5","1","5","1") = "5"
    & skf21("4","5","1","6","5","1","6","1") = "5"
    & skf21("4","5","1","6","5","1","7","1") = "6"
    & skf21("4","5","1","6","5","2","1","1") = "5"
    & skf21("4","5","1","6","5","2","2","1") = "5"
    & skf21("4","5","1","6","5","2","3","1") = "5"
    & skf21("4","5","1","6","5","2","4","1") = "5"
    & skf21("4","5","1","6","5","2","5","1") = "5"
    & skf21("4","5","1","6","5","2","6","1") = "5"
    & skf21("4","5","1","6","5","2","7","1") = "6"
    & skf21("4","5","1","6","5","3","1","1") = "5"
    & skf21("4","5","1","6","5","3","2","1") = "5"
    & skf21("4","5","1","6","5","3","3","1") = "5"
    & skf21("4","5","1","6","5","3","4","1") = "5"
    & skf21("4","5","1","6","5","3","5","1") = "5"
    & skf21("4","5","1","6","5","3","6","1") = "5"
    & skf21("4","5","1","6","5","3","7","1") = "6"
    & skf21("4","5","1","6","5","4","1","1") = "5"
    & skf21("4","5","1","6","5","4","2","1") = "5"
    & skf21("4","5","1","6","5","4","3","1") = "5"
    & skf21("4","5","1","6","5","4","4","1") = "5"
    & skf21("4","5","1","6","5","4","5","1") = "5"
    & skf21("4","5","1","6","5","4","6","1") = "5"
    & skf21("4","5","1","6","5","4","7","1") = "6"
    & skf21("4","5","1","6","5","5","1","1") = "5"
    & skf21("4","5","1","6","5","5","2","1") = "5"
    & skf21("4","5","1","6","5","5","3","1") = "5"
    & skf21("4","5","1","6","5","5","4","1") = "5"
    & skf21("4","5","1","6","5","5","5","1") = "5"
    & skf21("4","5","1","6","5","5","6","1") = "5"
    & skf21("4","5","1","6","5","5","7","1") = "6"
    & skf21("4","5","1","6","5","6","1","1") = "5"
    & skf21("4","5","1","6","5","6","2","1") = "5"
    & skf21("4","5","1","6","5","6","3","1") = "5"
    & skf21("4","5","1","6","5","6","4","1") = "5"
    & skf21("4","5","1","6","5","6","5","1") = "5"
    & skf21("4","5","1","6","5","6","6","1") = "5"
    & skf21("4","5","1","6","5","6","7","1") = "6"
    & skf21("4","5","1","6","5","7","1","1") = "6"
    & skf21("4","5","1","6","5","7","2","1") = "6"
    & skf21("4","5","1","6","5","7","3","1") = "6"
    & skf21("4","5","1","6","5","7","4","1") = "6"
    & skf21("4","5","1","6","5","7","5","1") = "6"
    & skf21("4","5","1","6","5","7","6","1") = "6"
    & skf21("4","5","1","6","5","7","7","1") = "6"
    & skf21("4","5","1","6","6","1","1","1") = "5"
    & skf21("4","5","1","6","6","1","2","1") = "5"
    & skf21("4","5","1","6","6","1","3","1") = "5"
    & skf21("4","5","1","6","6","1","4","1") = "5"
    & skf21("4","5","1","6","6","1","5","1") = "5"
    & skf21("4","5","1","6","6","1","6","1") = "5"
    & skf21("4","5","1","6","6","1","7","1") = "6"
    & skf21("4","5","1","6","6","2","1","1") = "5"
    & skf21("4","5","1","6","6","2","2","1") = "5"
    & skf21("4","5","1","6","6","2","3","1") = "5"
    & skf21("4","5","1","6","6","2","4","1") = "5"
    & skf21("4","5","1","6","6","2","5","1") = "5"
    & skf21("4","5","1","6","6","2","6","1") = "5"
    & skf21("4","5","1","6","6","2","7","1") = "6"
    & skf21("4","5","1","6","6","3","1","1") = "5"
    & skf21("4","5","1","6","6","3","2","1") = "5"
    & skf21("4","5","1","6","6","3","3","1") = "5"
    & skf21("4","5","1","6","6","3","4","1") = "5"
    & skf21("4","5","1","6","6","3","5","1") = "5"
    & skf21("4","5","1","6","6","3","6","1") = "5"
    & skf21("4","5","1","6","6","3","7","1") = "6"
    & skf21("4","5","1","6","6","4","1","1") = "5"
    & skf21("4","5","1","6","6","4","2","1") = "5"
    & skf21("4","5","1","6","6","4","3","1") = "5"
    & skf21("4","5","1","6","6","4","4","1") = "5"
    & skf21("4","5","1","6","6","4","5","1") = "5"
    & skf21("4","5","1","6","6","4","6","1") = "5"
    & skf21("4","5","1","6","6","4","7","1") = "6"
    & skf21("4","5","1","6","6","5","1","1") = "5"
    & skf21("4","5","1","6","6","5","2","1") = "5"
    & skf21("4","5","1","6","6","5","3","1") = "5"
    & skf21("4","5","1","6","6","5","4","1") = "5"
    & skf21("4","5","1","6","6","5","5","1") = "5"
    & skf21("4","5","1","6","6","5","6","1") = "5"
    & skf21("4","5","1","6","6","5","7","1") = "6"
    & skf21("4","5","1","6","6","6","1","1") = "5"
    & skf21("4","5","1","6","6","6","2","1") = "5"
    & skf21("4","5","1","6","6","6","3","1") = "5"
    & skf21("4","5","1","6","6","6","4","1") = "5"
    & skf21("4","5","1","6","6","6","5","1") = "5"
    & skf21("4","5","1","6","6","6","6","1") = "5"
    & skf21("4","5","1","6","6","6","7","1") = "6"
    & skf21("4","5","1","6","6","7","1","1") = "6"
    & skf21("4","5","1","6","6","7","2","1") = "6"
    & skf21("4","5","1","6","6","7","3","1") = "6"
    & skf21("4","5","1","6","6","7","4","1") = "6"
    & skf21("4","5","1","6","6","7","5","1") = "6"
    & skf21("4","5","1","6","6","7","6","1") = "6"
    & skf21("4","5","1","6","6","7","7","1") = "6"
    & skf21("4","5","1","6","7","1","1","1") = "6"
    & skf21("4","5","1","6","7","1","2","1") = "6"
    & skf21("4","5","1","6","7","1","3","1") = "6"
    & skf21("4","5","1","6","7","1","4","1") = "6"
    & skf21("4","5","1","6","7","1","5","1") = "6"
    & skf21("4","5","1","6","7","1","6","1") = "6"
    & skf21("4","5","1","6","7","1","7","1") = "6"
    & skf21("4","5","1","6","7","2","1","1") = "6"
    & skf21("4","5","1","6","7","2","2","1") = "6"
    & skf21("4","5","1","6","7","2","3","1") = "6"
    & skf21("4","5","1","6","7","2","4","1") = "6"
    & skf21("4","5","1","6","7","2","5","1") = "6"
    & skf21("4","5","1","6","7","2","6","1") = "6"
    & skf21("4","5","1","6","7","2","7","1") = "6"
    & skf21("4","5","1","6","7","3","1","1") = "6"
    & skf21("4","5","1","6","7","3","2","1") = "6"
    & skf21("4","5","1","6","7","3","3","1") = "6"
    & skf21("4","5","1","6","7","3","4","1") = "6"
    & skf21("4","5","1","6","7","3","5","1") = "6"
    & skf21("4","5","1","6","7","3","6","1") = "6"
    & skf21("4","5","1","6","7","3","7","1") = "6"
    & skf21("4","5","1","6","7","4","1","1") = "6"
    & skf21("4","5","1","6","7","4","2","1") = "6"
    & skf21("4","5","1","6","7","4","3","1") = "6"
    & skf21("4","5","1","6","7","4","4","1") = "6"
    & skf21("4","5","1","6","7","4","5","1") = "6"
    & skf21("4","5","1","6","7","4","6","1") = "6"
    & skf21("4","5","1","6","7","4","7","1") = "6"
    & skf21("4","5","1","6","7","5","1","1") = "6"
    & skf21("4","5","1","6","7","5","2","1") = "6"
    & skf21("4","5","1","6","7","5","3","1") = "6"
    & skf21("4","5","1","6","7","5","4","1") = "6"
    & skf21("4","5","1","6","7","5","5","1") = "6"
    & skf21("4","5","1","6","7","5","6","1") = "6"
    & skf21("4","5","1","6","7","5","7","1") = "6"
    & skf21("4","5","1","6","7","6","1","1") = "6"
    & skf21("4","5","1","6","7","6","2","1") = "6"
    & skf21("4","5","1","6","7","6","3","1") = "6"
    & skf21("4","5","1","6","7","6","4","1") = "6"
    & skf21("4","5","1","6","7","6","5","1") = "6"
    & skf21("4","5","1","6","7","6","6","1") = "6"
    & skf21("4","5","1","6","7","6","7","1") = "6"
    & skf21("4","5","1","6","7","7","1","1") = "6"
    & skf21("4","5","1","6","7","7","2","1") = "6"
    & skf21("4","5","1","6","7","7","3","1") = "6"
    & skf21("4","5","1","6","7","7","4","1") = "6"
    & skf21("4","5","1","6","7","7","5","1") = "6"
    & skf21("4","5","1","6","7","7","6","1") = "6"
    & skf21("4","5","1","6","7","7","7","1") = "6"
    & skf21("4","5","1","7","1","1","1","1") = "6"
    & skf21("4","5","1","7","1","1","2","1") = "6"
    & skf21("4","5","1","7","1","1","3","1") = "6"
    & skf21("4","5","1","7","1","1","4","1") = "6"
    & skf21("4","5","1","7","1","1","5","1") = "6"
    & skf21("4","5","1","7","1","1","6","1") = "6"
    & skf21("4","5","1","7","1","1","7","1") = "6"
    & skf21("4","5","1","7","1","2","1","1") = "6"
    & skf21("4","5","1","7","1","2","2","1") = "6"
    & skf21("4","5","1","7","1","2","3","1") = "6"
    & skf21("4","5","1","7","1","2","4","1") = "6"
    & skf21("4","5","1","7","1","2","5","1") = "6"
    & skf21("4","5","1","7","1","2","6","1") = "6"
    & skf21("4","5","1","7","1","2","7","1") = "6"
    & skf21("4","5","1","7","1","3","1","1") = "6"
    & skf21("4","5","1","7","1","3","2","1") = "6"
    & skf21("4","5","1","7","1","3","3","1") = "6"
    & skf21("4","5","1","7","1","3","4","1") = "6"
    & skf21("4","5","1","7","1","3","5","1") = "6"
    & skf21("4","5","1","7","1","3","6","1") = "6"
    & skf21("4","5","1","7","1","3","7","1") = "6"
    & skf21("4","5","1","7","1","4","1","1") = "6"
    & skf21("4","5","1","7","1","4","2","1") = "6"
    & skf21("4","5","1","7","1","4","3","1") = "6"
    & skf21("4","5","1","7","1","4","4","1") = "6"
    & skf21("4","5","1","7","1","4","5","1") = "6"
    & skf21("4","5","1","7","1","4","6","1") = "6"
    & skf21("4","5","1","7","1","4","7","1") = "6"
    & skf21("4","5","1","7","1","5","1","1") = "6"
    & skf21("4","5","1","7","1","5","2","1") = "6"
    & skf21("4","5","1","7","1","5","3","1") = "6"
    & skf21("4","5","1","7","1","5","4","1") = "6"
    & skf21("4","5","1","7","1","5","5","1") = "6"
    & skf21("4","5","1","7","1","5","6","1") = "6"
    & skf21("4","5","1","7","1","5","7","1") = "6"
    & skf21("4","5","1","7","1","6","1","1") = "6"
    & skf21("4","5","1","7","1","6","2","1") = "6"
    & skf21("4","5","1","7","1","6","3","1") = "6"
    & skf21("4","5","1","7","1","6","4","1") = "6"
    & skf21("4","5","1","7","1","6","5","1") = "6"
    & skf21("4","5","1","7","1","6","6","1") = "6"
    & skf21("4","5","1","7","1","6","7","1") = "6"
    & skf21("4","5","1","7","1","7","1","1") = "6"
    & skf21("4","5","1","7","1","7","2","1") = "6"
    & skf21("4","5","1","7","1","7","3","1") = "6"
    & skf21("4","5","1","7","1","7","4","1") = "6"
    & skf21("4","5","1","7","1","7","5","1") = "6"
    & skf21("4","5","1","7","1","7","6","1") = "6"
    & skf21("4","5","1","7","1","7","7","1") = "6"
    & skf21("4","5","1","7","2","1","1","1") = "6"
    & skf21("4","5","1","7","2","1","2","1") = "6"
    & skf21("4","5","1","7","2","1","3","1") = "6"
    & skf21("4","5","1","7","2","1","4","1") = "6"
    & skf21("4","5","1","7","2","1","5","1") = "6"
    & skf21("4","5","1","7","2","1","6","1") = "6"
    & skf21("4","5","1","7","2","1","7","1") = "6"
    & skf21("4","5","1","7","2","2","1","1") = "6"
    & skf21("4","5","1","7","2","2","2","1") = "6"
    & skf21("4","5","1","7","2","2","3","1") = "6"
    & skf21("4","5","1","7","2","2","4","1") = "6"
    & skf21("4","5","1","7","2","2","5","1") = "6"
    & skf21("4","5","1","7","2","2","6","1") = "6"
    & skf21("4","5","1","7","2","2","7","1") = "6"
    & skf21("4","5","1","7","2","3","1","1") = "6"
    & skf21("4","5","1","7","2","3","2","1") = "6"
    & skf21("4","5","1","7","2","3","3","1") = "6"
    & skf21("4","5","1","7","2","3","4","1") = "6"
    & skf21("4","5","1","7","2","3","5","1") = "6"
    & skf21("4","5","1","7","2","3","6","1") = "6"
    & skf21("4","5","1","7","2","3","7","1") = "6"
    & skf21("4","5","1","7","2","4","1","1") = "6"
    & skf21("4","5","1","7","2","4","2","1") = "6"
    & skf21("4","5","1","7","2","4","3","1") = "6"
    & skf21("4","5","1","7","2","4","4","1") = "6"
    & skf21("4","5","1","7","2","4","5","1") = "6"
    & skf21("4","5","1","7","2","4","6","1") = "6"
    & skf21("4","5","1","7","2","4","7","1") = "6"
    & skf21("4","5","1","7","2","5","1","1") = "6"
    & skf21("4","5","1","7","2","5","2","1") = "6"
    & skf21("4","5","1","7","2","5","3","1") = "6"
    & skf21("4","5","1","7","2","5","4","1") = "6"
    & skf21("4","5","1","7","2","5","5","1") = "6"
    & skf21("4","5","1","7","2","5","6","1") = "6"
    & skf21("4","5","1","7","2","5","7","1") = "6"
    & skf21("4","5","1","7","2","6","1","1") = "6"
    & skf21("4","5","1","7","2","6","2","1") = "6"
    & skf21("4","5","1","7","2","6","3","1") = "6"
    & skf21("4","5","1","7","2","6","4","1") = "6"
    & skf21("4","5","1","7","2","6","5","1") = "6"
    & skf21("4","5","1","7","2","6","6","1") = "6"
    & skf21("4","5","1","7","2","6","7","1") = "6"
    & skf21("4","5","1","7","2","7","1","1") = "6"
    & skf21("4","5","1","7","2","7","2","1") = "6"
    & skf21("4","5","1","7","2","7","3","1") = "6"
    & skf21("4","5","1","7","2","7","4","1") = "6"
    & skf21("4","5","1","7","2","7","5","1") = "6"
    & skf21("4","5","1","7","2","7","6","1") = "6"
    & skf21("4","5","1","7","2","7","7","1") = "6"
    & skf21("4","5","1","7","3","1","1","1") = "6"
    & skf21("4","5","1","7","3","1","2","1") = "6"
    & skf21("4","5","1","7","3","1","3","1") = "6"
    & skf21("4","5","1","7","3","1","4","1") = "6"
    & skf21("4","5","1","7","3","1","5","1") = "6"
    & skf21("4","5","1","7","3","1","6","1") = "6"
    & skf21("4","5","1","7","3","1","7","1") = "6"
    & skf21("4","5","1","7","3","2","1","1") = "6"
    & skf21("4","5","1","7","3","2","2","1") = "6"
    & skf21("4","5","1","7","3","2","3","1") = "6"
    & skf21("4","5","1","7","3","2","4","1") = "6"
    & skf21("4","5","1","7","3","2","5","1") = "6"
    & skf21("4","5","1","7","3","2","6","1") = "6"
    & skf21("4","5","1","7","3","2","7","1") = "6"
    & skf21("4","5","1","7","3","3","1","1") = "6"
    & skf21("4","5","1","7","3","3","2","1") = "6"
    & skf21("4","5","1","7","3","3","3","1") = "6"
    & skf21("4","5","1","7","3","3","4","1") = "6"
    & skf21("4","5","1","7","3","3","5","1") = "6"
    & skf21("4","5","1","7","3","3","6","1") = "6"
    & skf21("4","5","1","7","3","3","7","1") = "6"
    & skf21("4","5","1","7","3","4","1","1") = "6"
    & skf21("4","5","1","7","3","4","2","1") = "6"
    & skf21("4","5","1","7","3","4","3","1") = "6"
    & skf21("4","5","1","7","3","4","4","1") = "6"
    & skf21("4","5","1","7","3","4","5","1") = "6"
    & skf21("4","5","1","7","3","4","6","1") = "6"
    & skf21("4","5","1","7","3","4","7","1") = "6"
    & skf21("4","5","1","7","3","5","1","1") = "6"
    & skf21("4","5","1","7","3","5","2","1") = "6"
    & skf21("4","5","1","7","3","5","3","1") = "6"
    & skf21("4","5","1","7","3","5","4","1") = "6"
    & skf21("4","5","1","7","3","5","5","1") = "6"
    & skf21("4","5","1","7","3","5","6","1") = "6"
    & skf21("4","5","1","7","3","5","7","1") = "6"
    & skf21("4","5","1","7","3","6","1","1") = "6"
    & skf21("4","5","1","7","3","6","2","1") = "6"
    & skf21("4","5","1","7","3","6","3","1") = "6"
    & skf21("4","5","1","7","3","6","4","1") = "6"
    & skf21("4","5","1","7","3","6","5","1") = "6"
    & skf21("4","5","1","7","3","6","6","1") = "6"
    & skf21("4","5","1","7","3","6","7","1") = "6"
    & skf21("4","5","1","7","3","7","1","1") = "6"
    & skf21("4","5","1","7","3","7","2","1") = "6"
    & skf21("4","5","1","7","3","7","3","1") = "6"
    & skf21("4","5","1","7","3","7","4","1") = "6"
    & skf21("4","5","1","7","3","7","5","1") = "6"
    & skf21("4","5","1","7","3","7","6","1") = "6"
    & skf21("4","5","1","7","3","7","7","1") = "6"
    & skf21("4","5","1","7","4","1","1","1") = "6"
    & skf21("4","5","1","7","4","1","2","1") = "6"
    & skf21("4","5","1","7","4","1","3","1") = "6"
    & skf21("4","5","1","7","4","1","4","1") = "6"
    & skf21("4","5","1","7","4","1","5","1") = "6"
    & skf21("4","5","1","7","4","1","6","1") = "6"
    & skf21("4","5","1","7","4","1","7","1") = "6"
    & skf21("4","5","1","7","4","2","1","1") = "6"
    & skf21("4","5","1","7","4","2","2","1") = "6"
    & skf21("4","5","1","7","4","2","3","1") = "6"
    & skf21("4","5","1","7","4","2","4","1") = "6"
    & skf21("4","5","1","7","4","2","5","1") = "6"
    & skf21("4","5","1","7","4","2","6","1") = "6"
    & skf21("4","5","1","7","4","2","7","1") = "6"
    & skf21("4","5","1","7","4","3","1","1") = "6"
    & skf21("4","5","1","7","4","3","2","1") = "6"
    & skf21("4","5","1","7","4","3","3","1") = "6"
    & skf21("4","5","1","7","4","3","4","1") = "6"
    & skf21("4","5","1","7","4","3","5","1") = "6"
    & skf21("4","5","1","7","4","3","6","1") = "6"
    & skf21("4","5","1","7","4","3","7","1") = "6"
    & skf21("4","5","1","7","4","4","1","1") = "6"
    & skf21("4","5","1","7","4","4","2","1") = "6"
    & skf21("4","5","1","7","4","4","3","1") = "6"
    & skf21("4","5","1","7","4","4","4","1") = "6"
    & skf21("4","5","1","7","4","4","5","1") = "6"
    & skf21("4","5","1","7","4","4","6","1") = "6"
    & skf21("4","5","1","7","4","4","7","1") = "6"
    & skf21("4","5","1","7","4","5","1","1") = "6"
    & skf21("4","5","1","7","4","5","2","1") = "6"
    & skf21("4","5","1","7","4","5","3","1") = "6"
    & skf21("4","5","1","7","4","5","4","1") = "6"
    & skf21("4","5","1","7","4","5","5","1") = "6"
    & skf21("4","5","1","7","4","5","6","1") = "6"
    & skf21("4","5","1","7","4","5","7","1") = "6"
    & skf21("4","5","1","7","4","6","1","1") = "6"
    & skf21("4","5","1","7","4","6","2","1") = "6"
    & skf21("4","5","1","7","4","6","3","1") = "6"
    & skf21("4","5","1","7","4","6","4","1") = "6"
    & skf21("4","5","1","7","4","6","5","1") = "6"
    & skf21("4","5","1","7","4","6","6","1") = "6"
    & skf21("4","5","1","7","4","6","7","1") = "6"
    & skf21("4","5","1","7","4","7","1","1") = "6"
    & skf21("4","5","1","7","4","7","2","1") = "6"
    & skf21("4","5","1","7","4","7","3","1") = "6"
    & skf21("4","5","1","7","4","7","4","1") = "6"
    & skf21("4","5","1","7","4","7","5","1") = "6"
    & skf21("4","5","1","7","4","7","6","1") = "6"
    & skf21("4","5","1","7","4","7","7","1") = "6"
    & skf21("4","5","1","7","5","1","1","1") = "6"
    & skf21("4","5","1","7","5","1","2","1") = "6"
    & skf21("4","5","1","7","5","1","3","1") = "6"
    & skf21("4","5","1","7","5","1","4","1") = "6"
    & skf21("4","5","1","7","5","1","5","1") = "6"
    & skf21("4","5","1","7","5","1","6","1") = "6"
    & skf21("4","5","1","7","5","1","7","1") = "6"
    & skf21("4","5","1","7","5","2","1","1") = "6"
    & skf21("4","5","1","7","5","2","2","1") = "6"
    & skf21("4","5","1","7","5","2","3","1") = "6"
    & skf21("4","5","1","7","5","2","4","1") = "6"
    & skf21("4","5","1","7","5","2","5","1") = "6"
    & skf21("4","5","1","7","5","2","6","1") = "6"
    & skf21("4","5","1","7","5","2","7","1") = "6"
    & skf21("4","5","1","7","5","3","1","1") = "6"
    & skf21("4","5","1","7","5","3","2","1") = "6"
    & skf21("4","5","1","7","5","3","3","1") = "6"
    & skf21("4","5","1","7","5","3","4","1") = "6"
    & skf21("4","5","1","7","5","3","5","1") = "6"
    & skf21("4","5","1","7","5","3","6","1") = "6"
    & skf21("4","5","1","7","5","3","7","1") = "6"
    & skf21("4","5","1","7","5","4","1","1") = "6"
    & skf21("4","5","1","7","5","4","2","1") = "6"
    & skf21("4","5","1","7","5","4","3","1") = "6"
    & skf21("4","5","1","7","5","4","4","1") = "6"
    & skf21("4","5","1","7","5","4","5","1") = "6"
    & skf21("4","5","1","7","5","4","6","1") = "6"
    & skf21("4","5","1","7","5","4","7","1") = "6"
    & skf21("4","5","1","7","5","5","1","1") = "6"
    & skf21("4","5","1","7","5","5","2","1") = "6"
    & skf21("4","5","1","7","5","5","3","1") = "6"
    & skf21("4","5","1","7","5","5","4","1") = "6"
    & skf21("4","5","1","7","5","5","5","1") = "6"
    & skf21("4","5","1","7","5","5","6","1") = "6"
    & skf21("4","5","1","7","5","5","7","1") = "6"
    & skf21("4","5","1","7","5","6","1","1") = "6"
    & skf21("4","5","1","7","5","6","2","1") = "6"
    & skf21("4","5","1","7","5","6","3","1") = "6"
    & skf21("4","5","1","7","5","6","4","1") = "6"
    & skf21("4","5","1","7","5","6","5","1") = "6"
    & skf21("4","5","1","7","5","6","6","1") = "6"
    & skf21("4","5","1","7","5","6","7","1") = "6"
    & skf21("4","5","1","7","5","7","1","1") = "6"
    & skf21("4","5","1","7","5","7","2","1") = "6"
    & skf21("4","5","1","7","5","7","3","1") = "6"
    & skf21("4","5","1","7","5","7","4","1") = "6"
    & skf21("4","5","1","7","5","7","5","1") = "6"
    & skf21("4","5","1","7","5","7","6","1") = "6"
    & skf21("4","5","1","7","5","7","7","1") = "6"
    & skf21("4","5","1","7","6","1","1","1") = "6"
    & skf21("4","5","1","7","6","1","2","1") = "6"
    & skf21("4","5","1","7","6","1","3","1") = "6"
    & skf21("4","5","1","7","6","1","4","1") = "6"
    & skf21("4","5","1","7","6","1","5","1") = "6"
    & skf21("4","5","1","7","6","1","6","1") = "6"
    & skf21("4","5","1","7","6","1","7","1") = "6"
    & skf21("4","5","1","7","6","2","1","1") = "6"
    & skf21("4","5","1","7","6","2","2","1") = "6"
    & skf21("4","5","1","7","6","2","3","1") = "6"
    & skf21("4","5","1","7","6","2","4","1") = "6"
    & skf21("4","5","1","7","6","2","5","1") = "6"
    & skf21("4","5","1","7","6","2","6","1") = "6"
    & skf21("4","5","1","7","6","2","7","1") = "6"
    & skf21("4","5","1","7","6","3","1","1") = "6"
    & skf21("4","5","1","7","6","3","2","1") = "6"
    & skf21("4","5","1","7","6","3","3","1") = "6"
    & skf21("4","5","1","7","6","3","4","1") = "6"
    & skf21("4","5","1","7","6","3","5","1") = "6"
    & skf21("4","5","1","7","6","3","6","1") = "6"
    & skf21("4","5","1","7","6","3","7","1") = "6"
    & skf21("4","5","1","7","6","4","1","1") = "6"
    & skf21("4","5","1","7","6","4","2","1") = "6"
    & skf21("4","5","1","7","6","4","3","1") = "6"
    & skf21("4","5","1","7","6","4","4","1") = "6"
    & skf21("4","5","1","7","6","4","5","1") = "6"
    & skf21("4","5","1","7","6","4","6","1") = "6"
    & skf21("4","5","1","7","6","4","7","1") = "6"
    & skf21("4","5","1","7","6","5","1","1") = "6"
    & skf21("4","5","1","7","6","5","2","1") = "6"
    & skf21("4","5","1","7","6","5","3","1") = "6"
    & skf21("4","5","1","7","6","5","4","1") = "6"
    & skf21("4","5","1","7","6","5","5","1") = "6"
    & skf21("4","5","1","7","6","5","6","1") = "6"
    & skf21("4","5","1","7","6","5","7","1") = "6"
    & skf21("4","5","1","7","6","6","1","1") = "6"
    & skf21("4","5","1","7","6","6","2","1") = "6"
    & skf21("4","5","1","7","6","6","3","1") = "6"
    & skf21("4","5","1","7","6","6","4","1") = "6"
    & skf21("4","5","1","7","6","6","5","1") = "6"
    & skf21("4","5","1","7","6","6","6","1") = "6"
    & skf21("4","5","1","7","6","6","7","1") = "6"
    & skf21("4","5","1","7","6","7","1","1") = "6"
    & skf21("4","5","1","7","6","7","2","1") = "6"
    & skf21("4","5","1","7","6","7","3","1") = "6"
    & skf21("4","5","1","7","6","7","4","1") = "6"
    & skf21("4","5","1","7","6","7","5","1") = "6"
    & skf21("4","5","1","7","6","7","6","1") = "6"
    & skf21("4","5","1","7","6","7","7","1") = "6"
    & skf21("4","5","1","7","7","1","1","1") = "6"
    & skf21("4","5","1","7","7","1","2","1") = "6"
    & skf21("4","5","1","7","7","1","3","1") = "6"
    & skf21("4","5","1","7","7","1","4","1") = "6"
    & skf21("4","5","1","7","7","1","5","1") = "6"
    & skf21("4","5","1","7","7","1","6","1") = "6"
    & skf21("4","5","1","7","7","1","7","1") = "6"
    & skf21("4","5","1","7","7","2","1","1") = "6"
    & skf21("4","5","1","7","7","2","2","1") = "6"
    & skf21("4","5","1","7","7","2","3","1") = "6"
    & skf21("4","5","1","7","7","2","4","1") = "6"
    & skf21("4","5","1","7","7","2","5","1") = "6"
    & skf21("4","5","1","7","7","2","6","1") = "6"
    & skf21("4","5","1","7","7","2","7","1") = "6"
    & skf21("4","5","1","7","7","3","1","1") = "6"
    & skf21("4","5","1","7","7","3","2","1") = "6"
    & skf21("4","5","1","7","7","3","3","1") = "6"
    & skf21("4","5","1","7","7","3","4","1") = "6"
    & skf21("4","5","1","7","7","3","5","1") = "6"
    & skf21("4","5","1","7","7","3","6","1") = "6"
    & skf21("4","5","1","7","7","3","7","1") = "6"
    & skf21("4","5","1","7","7","4","1","1") = "6"
    & skf21("4","5","1","7","7","4","2","1") = "6"
    & skf21("4","5","1","7","7","4","3","1") = "6"
    & skf21("4","5","1","7","7","4","4","1") = "6"
    & skf21("4","5","1","7","7","4","5","1") = "6"
    & skf21("4","5","1","7","7","4","6","1") = "6"
    & skf21("4","5","1","7","7","4","7","1") = "6"
    & skf21("4","5","1","7","7","5","1","1") = "6"
    & skf21("4","5","1","7","7","5","2","1") = "6"
    & skf21("4","5","1","7","7","5","3","1") = "6"
    & skf21("4","5","1","7","7","5","4","1") = "6"
    & skf21("4","5","1","7","7","5","5","1") = "6"
    & skf21("4","5","1","7","7","5","6","1") = "6"
    & skf21("4","5","1","7","7","5","7","1") = "6"
    & skf21("4","5","1","7","7","6","1","1") = "6"
    & skf21("4","5","1","7","7","6","2","1") = "6"
    & skf21("4","5","1","7","7","6","3","1") = "6"
    & skf21("4","5","1","7","7","6","4","1") = "6"
    & skf21("4","5","1","7","7","6","5","1") = "6"
    & skf21("4","5","1","7","7","6","6","1") = "6"
    & skf21("4","5","1","7","7","6","7","1") = "6"
    & skf21("4","5","1","7","7","7","1","1") = "6"
    & skf21("4","5","1","7","7","7","2","1") = "6"
    & skf21("4","5","1","7","7","7","3","1") = "6"
    & skf21("4","5","1","7","7","7","4","1") = "6"
    & skf21("4","5","1","7","7","7","5","1") = "6"
    & skf21("4","5","1","7","7","7","6","1") = "6"
    & skf21("4","5","1","7","7","7","7","1") = "6"
    & skf21("4","5","2","1","1","1","1","1") = "4"
    & skf21("4","5","2","1","1","1","2","1") = "4"
    & skf21("4","5","2","1","1","1","3","1") = "4"
    & skf21("4","5","2","1","1","1","4","1") = "4"
    & skf21("4","5","2","1","1","1","5","1") = "4"
    & skf21("4","5","2","1","1","1","6","1") = "5"
    & skf21("4","5","2","1","1","1","7","1") = "6"
    & skf21("4","5","2","1","1","2","1","1") = "4"
    & skf21("4","5","2","1","1","2","2","1") = "4"
    & skf21("4","5","2","1","1","2","3","1") = "4"
    & skf21("4","5","2","1","1","2","4","1") = "4"
    & skf21("4","5","2","1","1","2","5","1") = "4"
    & skf21("4","5","2","1","1","2","6","1") = "5"
    & skf21("4","5","2","1","1","2","7","1") = "6"
    & skf21("4","5","2","1","1","3","1","1") = "4"
    & skf21("4","5","2","1","1","3","2","1") = "4"
    & skf21("4","5","2","1","1","3","3","1") = "4"
    & skf21("4","5","2","1","1","3","4","1") = "4"
    & skf21("4","5","2","1","1","3","5","1") = "4"
    & skf21("4","5","2","1","1","3","6","1") = "5"
    & skf21("4","5","2","1","1","3","7","1") = "6"
    & skf21("4","5","2","1","1","4","1","1") = "4"
    & skf21("4","5","2","1","1","4","2","1") = "4"
    & skf21("4","5","2","1","1","4","3","1") = "4"
    & skf21("4","5","2","1","1","4","4","1") = "4"
    & skf21("4","5","2","1","1","4","5","1") = "4"
    & skf21("4","5","2","1","1","4","6","1") = "5"
    & skf21("4","5","2","1","1","4","7","1") = "6"
    & skf21("4","5","2","1","1","5","1","1") = "4"
    & skf21("4","5","2","1","1","5","2","1") = "4"
    & skf21("4","5","2","1","1","5","3","1") = "4"
    & skf21("4","5","2","1","1","5","4","1") = "4"
    & skf21("4","5","2","1","1","5","5","1") = "4"
    & skf21("4","5","2","1","1","5","6","1") = "5"
    & skf21("4","5","2","1","1","5","7","1") = "6"
    & skf21("4","5","2","1","1","6","1","1") = "5"
    & skf21("4","5","2","1","1","6","2","1") = "5"
    & skf21("4","5","2","1","1","6","3","1") = "5"
    & skf21("4","5","2","1","1","6","4","1") = "5"
    & skf21("4","5","2","1","1","6","5","1") = "5"
    & skf21("4","5","2","1","1","6","6","1") = "5"
    & skf21("4","5","2","1","1","6","7","1") = "6"
    & skf21("4","5","2","1","1","7","1","1") = "6"
    & skf21("4","5","2","1","1","7","2","1") = "6"
    & skf21("4","5","2","1","1","7","3","1") = "6"
    & skf21("4","5","2","1","1","7","4","1") = "6"
    & skf21("4","5","2","1","1","7","5","1") = "6"
    & skf21("4","5","2","1","1","7","6","1") = "6"
    & skf21("4","5","2","1","1","7","7","1") = "6"
    & skf21("4","5","2","1","2","1","1","1") = "4"
    & skf21("4","5","2","1","2","1","2","1") = "4"
    & skf21("4","5","2","1","2","1","3","1") = "4"
    & skf21("4","5","2","1","2","1","4","1") = "4"
    & skf21("4","5","2","1","2","1","5","1") = "4"
    & skf21("4","5","2","1","2","1","6","1") = "5"
    & skf21("4","5","2","1","2","1","7","1") = "6"
    & skf21("4","5","2","1","2","2","1","1") = "4"
    & skf21("4","5","2","1","2","2","2","1") = "4"
    & skf21("4","5","2","1","2","2","3","1") = "4"
    & skf21("4","5","2","1","2","2","4","1") = "4"
    & skf21("4","5","2","1","2","2","5","1") = "4"
    & skf21("4","5","2","1","2","2","6","1") = "5"
    & skf21("4","5","2","1","2","2","7","1") = "6"
    & skf21("4","5","2","1","2","3","1","1") = "4"
    & skf21("4","5","2","1","2","3","2","1") = "4"
    & skf21("4","5","2","1","2","3","3","1") = "4"
    & skf21("4","5","2","1","2","3","4","1") = "4"
    & skf21("4","5","2","1","2","3","5","1") = "4"
    & skf21("4","5","2","1","2","3","6","1") = "5"
    & skf21("4","5","2","1","2","3","7","1") = "6"
    & skf21("4","5","2","1","2","4","1","1") = "4"
    & skf21("4","5","2","1","2","4","2","1") = "4"
    & skf21("4","5","2","1","2","4","3","1") = "4"
    & skf21("4","5","2","1","2","4","4","1") = "4"
    & skf21("4","5","2","1","2","4","5","1") = "4"
    & skf21("4","5","2","1","2","4","6","1") = "5"
    & skf21("4","5","2","1","2","4","7","1") = "6"
    & skf21("4","5","2","1","2","5","1","1") = "4"
    & skf21("4","5","2","1","2","5","2","1") = "4"
    & skf21("4","5","2","1","2","5","3","1") = "4"
    & skf21("4","5","2","1","2","5","4","1") = "4"
    & skf21("4","5","2","1","2","5","5","1") = "4"
    & skf21("4","5","2","1","2","5","6","1") = "5"
    & skf21("4","5","2","1","2","5","7","1") = "6"
    & skf21("4","5","2","1","2","6","1","1") = "5"
    & skf21("4","5","2","1","2","6","2","1") = "5"
    & skf21("4","5","2","1","2","6","3","1") = "5"
    & skf21("4","5","2","1","2","6","4","1") = "5"
    & skf21("4","5","2","1","2","6","5","1") = "5"
    & skf21("4","5","2","1","2","6","6","1") = "5"
    & skf21("4","5","2","1","2","6","7","1") = "6"
    & skf21("4","5","2","1","2","7","1","1") = "6"
    & skf21("4","5","2","1","2","7","2","1") = "6"
    & skf21("4","5","2","1","2","7","3","1") = "6"
    & skf21("4","5","2","1","2","7","4","1") = "6"
    & skf21("4","5","2","1","2","7","5","1") = "6"
    & skf21("4","5","2","1","2","7","6","1") = "6"
    & skf21("4","5","2","1","2","7","7","1") = "6"
    & skf21("4","5","2","1","3","1","1","1") = "4"
    & skf21("4","5","2","1","3","1","2","1") = "4"
    & skf21("4","5","2","1","3","1","3","1") = "4"
    & skf21("4","5","2","1","3","1","4","1") = "4"
    & skf21("4","5","2","1","3","1","5","1") = "4"
    & skf21("4","5","2","1","3","1","6","1") = "5"
    & skf21("4","5","2","1","3","1","7","1") = "6"
    & skf21("4","5","2","1","3","2","1","1") = "4"
    & skf21("4","5","2","1","3","2","2","1") = "4"
    & skf21("4","5","2","1","3","2","3","1") = "4"
    & skf21("4","5","2","1","3","2","4","1") = "4"
    & skf21("4","5","2","1","3","2","5","1") = "4"
    & skf21("4","5","2","1","3","2","6","1") = "5"
    & skf21("4","5","2","1","3","2","7","1") = "6"
    & skf21("4","5","2","1","3","3","1","1") = "4"
    & skf21("4","5","2","1","3","3","2","1") = "4"
    & skf21("4","5","2","1","3","3","3","1") = "4"
    & skf21("4","5","2","1","3","3","4","1") = "4"
    & skf21("4","5","2","1","3","3","5","1") = "4"
    & skf21("4","5","2","1","3","3","6","1") = "5"
    & skf21("4","5","2","1","3","3","7","1") = "6"
    & skf21("4","5","2","1","3","4","1","1") = "4"
    & skf21("4","5","2","1","3","4","2","1") = "4"
    & skf21("4","5","2","1","3","4","3","1") = "4"
    & skf21("4","5","2","1","3","4","4","1") = "4"
    & skf21("4","5","2","1","3","4","5","1") = "4"
    & skf21("4","5","2","1","3","4","6","1") = "5"
    & skf21("4","5","2","1","3","4","7","1") = "6"
    & skf21("4","5","2","1","3","5","1","1") = "4"
    & skf21("4","5","2","1","3","5","2","1") = "4"
    & skf21("4","5","2","1","3","5","3","1") = "4"
    & skf21("4","5","2","1","3","5","4","1") = "4"
    & skf21("4","5","2","1","3","5","5","1") = "4"
    & skf21("4","5","2","1","3","5","6","1") = "5"
    & skf21("4","5","2","1","3","5","7","1") = "6"
    & skf21("4","5","2","1","3","6","1","1") = "5"
    & skf21("4","5","2","1","3","6","2","1") = "5"
    & skf21("4","5","2","1","3","6","3","1") = "5"
    & skf21("4","5","2","1","3","6","4","1") = "5"
    & skf21("4","5","2","1","3","6","5","1") = "5"
    & skf21("4","5","2","1","3","6","6","1") = "5"
    & skf21("4","5","2","1","3","6","7","1") = "6"
    & skf21("4","5","2","1","3","7","1","1") = "6"
    & skf21("4","5","2","1","3","7","2","1") = "6"
    & skf21("4","5","2","1","3","7","3","1") = "6"
    & skf21("4","5","2","1","3","7","4","1") = "6"
    & skf21("4","5","2","1","3","7","5","1") = "6"
    & skf21("4","5","2","1","3","7","6","1") = "6"
    & skf21("4","5","2","1","3","7","7","1") = "6"
    & skf21("4","5","2","1","4","1","1","1") = "4"
    & skf21("4","5","2","1","4","1","2","1") = "4"
    & skf21("4","5","2","1","4","1","3","1") = "4"
    & skf21("4","5","2","1","4","1","4","1") = "4"
    & skf21("4","5","2","1","4","1","5","1") = "4"
    & skf21("4","5","2","1","4","1","6","1") = "5"
    & skf21("4","5","2","1","4","1","7","1") = "6"
    & skf21("4","5","2","1","4","2","1","1") = "4"
    & skf21("4","5","2","1","4","2","2","1") = "4"
    & skf21("4","5","2","1","4","2","3","1") = "4"
    & skf21("4","5","2","1","4","2","4","1") = "4"
    & skf21("4","5","2","1","4","2","5","1") = "4"
    & skf21("4","5","2","1","4","2","6","1") = "5"
    & skf21("4","5","2","1","4","2","7","1") = "6"
    & skf21("4","5","2","1","4","3","1","1") = "4"
    & skf21("4","5","2","1","4","3","2","1") = "4"
    & skf21("4","5","2","1","4","3","3","1") = "4"
    & skf21("4","5","2","1","4","3","4","1") = "4"
    & skf21("4","5","2","1","4","3","5","1") = "4"
    & skf21("4","5","2","1","4","3","6","1") = "5"
    & skf21("4","5","2","1","4","3","7","1") = "6"
    & skf21("4","5","2","1","4","4","1","1") = "4"
    & skf21("4","5","2","1","4","4","2","1") = "4"
    & skf21("4","5","2","1","4","4","3","1") = "4"
    & skf21("4","5","2","1","4","4","4","1") = "4"
    & skf21("4","5","2","1","4","4","5","1") = "4"
    & skf21("4","5","2","1","4","4","6","1") = "5"
    & skf21("4","5","2","1","4","4","7","1") = "6"
    & skf21("4","5","2","1","4","5","1","1") = "4"
    & skf21("4","5","2","1","4","5","2","1") = "4"
    & skf21("4","5","2","1","4","5","3","1") = "4"
    & skf21("4","5","2","1","4","5","4","1") = "4"
    & skf21("4","5","2","1","4","5","5","1") = "4"
    & skf21("4","5","2","1","4","5","6","1") = "5"
    & skf21("4","5","2","1","4","5","7","1") = "6"
    & skf21("4","5","2","1","4","6","1","1") = "5"
    & skf21("4","5","2","1","4","6","2","1") = "5"
    & skf21("4","5","2","1","4","6","3","1") = "5"
    & skf21("4","5","2","1","4","6","4","1") = "5"
    & skf21("4","5","2","1","4","6","5","1") = "5"
    & skf21("4","5","2","1","4","6","6","1") = "5"
    & skf21("4","5","2","1","4","6","7","1") = "6"
    & skf21("4","5","2","1","4","7","1","1") = "6"
    & skf21("4","5","2","1","4","7","2","1") = "6"
    & skf21("4","5","2","1","4","7","3","1") = "6"
    & skf21("4","5","2","1","4","7","4","1") = "6"
    & skf21("4","5","2","1","4","7","5","1") = "6"
    & skf21("4","5","2","1","4","7","6","1") = "6"
    & skf21("4","5","2","1","4","7","7","1") = "6"
    & skf21("4","5","2","1","5","1","1","1") = "4"
    & skf21("4","5","2","1","5","1","2","1") = "4"
    & skf21("4","5","2","1","5","1","3","1") = "4"
    & skf21("4","5","2","1","5","1","4","1") = "4"
    & skf21("4","5","2","1","5","1","5","1") = "4"
    & skf21("4","5","2","1","5","1","6","1") = "5"
    & skf21("4","5","2","1","5","1","7","1") = "6"
    & skf21("4","5","2","1","5","2","1","1") = "4"
    & skf21("4","5","2","1","5","2","2","1") = "4"
    & skf21("4","5","2","1","5","2","3","1") = "4"
    & skf21("4","5","2","1","5","2","4","1") = "4"
    & skf21("4","5","2","1","5","2","5","1") = "4"
    & skf21("4","5","2","1","5","2","6","1") = "5"
    & skf21("4","5","2","1","5","2","7","1") = "6"
    & skf21("4","5","2","1","5","3","1","1") = "4"
    & skf21("4","5","2","1","5","3","2","1") = "4"
    & skf21("4","5","2","1","5","3","3","1") = "4"
    & skf21("4","5","2","1","5","3","4","1") = "4"
    & skf21("4","5","2","1","5","3","5","1") = "4"
    & skf21("4","5","2","1","5","3","6","1") = "5"
    & skf21("4","5","2","1","5","3","7","1") = "6"
    & skf21("4","5","2","1","5","4","1","1") = "4"
    & skf21("4","5","2","1","5","4","2","1") = "4"
    & skf21("4","5","2","1","5","4","3","1") = "4"
    & skf21("4","5","2","1","5","4","4","1") = "4"
    & skf21("4","5","2","1","5","4","5","1") = "4"
    & skf21("4","5","2","1","5","4","6","1") = "5"
    & skf21("4","5","2","1","5","4","7","1") = "6"
    & skf21("4","5","2","1","5","5","1","1") = "4"
    & skf21("4","5","2","1","5","5","2","1") = "4"
    & skf21("4","5","2","1","5","5","3","1") = "4"
    & skf21("4","5","2","1","5","5","4","1") = "4"
    & skf21("4","5","2","1","5","5","5","1") = "4"
    & skf21("4","5","2","1","5","5","6","1") = "5"
    & skf21("4","5","2","1","5","5","7","1") = "6"
    & skf21("4","5","2","1","5","6","1","1") = "5"
    & skf21("4","5","2","1","5","6","2","1") = "5"
    & skf21("4","5","2","1","5","6","3","1") = "5"
    & skf21("4","5","2","1","5","6","4","1") = "5"
    & skf21("4","5","2","1","5","6","5","1") = "5"
    & skf21("4","5","2","1","5","6","6","1") = "5"
    & skf21("4","5","2","1","5","6","7","1") = "6"
    & skf21("4","5","2","1","5","7","1","1") = "6"
    & skf21("4","5","2","1","5","7","2","1") = "6"
    & skf21("4","5","2","1","5","7","3","1") = "6"
    & skf21("4","5","2","1","5","7","4","1") = "6"
    & skf21("4","5","2","1","5","7","5","1") = "6"
    & skf21("4","5","2","1","5","7","6","1") = "6"
    & skf21("4","5","2","1","5","7","7","1") = "6"
    & skf21("4","5","2","1","6","1","1","1") = "5"
    & skf21("4","5","2","1","6","1","2","1") = "5"
    & skf21("4","5","2","1","6","1","3","1") = "5"
    & skf21("4","5","2","1","6","1","4","1") = "5"
    & skf21("4","5","2","1","6","1","5","1") = "5"
    & skf21("4","5","2","1","6","1","6","1") = "5"
    & skf21("4","5","2","1","6","1","7","1") = "6"
    & skf21("4","5","2","1","6","2","1","1") = "5"
    & skf21("4","5","2","1","6","2","2","1") = "5"
    & skf21("4","5","2","1","6","2","3","1") = "5"
    & skf21("4","5","2","1","6","2","4","1") = "5"
    & skf21("4","5","2","1","6","2","5","1") = "5"
    & skf21("4","5","2","1","6","2","6","1") = "5"
    & skf21("4","5","2","1","6","2","7","1") = "6"
    & skf21("4","5","2","1","6","3","1","1") = "5"
    & skf21("4","5","2","1","6","3","2","1") = "5"
    & skf21("4","5","2","1","6","3","3","1") = "5"
    & skf21("4","5","2","1","6","3","4","1") = "5"
    & skf21("4","5","2","1","6","3","5","1") = "5"
    & skf21("4","5","2","1","6","3","6","1") = "5"
    & skf21("4","5","2","1","6","3","7","1") = "6"
    & skf21("4","5","2","1","6","4","1","1") = "5"
    & skf21("4","5","2","1","6","4","2","1") = "5"
    & skf21("4","5","2","1","6","4","3","1") = "5"
    & skf21("4","5","2","1","6","4","4","1") = "5"
    & skf21("4","5","2","1","6","4","5","1") = "5"
    & skf21("4","5","2","1","6","4","6","1") = "5"
    & skf21("4","5","2","1","6","4","7","1") = "6"
    & skf21("4","5","2","1","6","5","1","1") = "5"
    & skf21("4","5","2","1","6","5","2","1") = "5"
    & skf21("4","5","2","1","6","5","3","1") = "5"
    & skf21("4","5","2","1","6","5","4","1") = "5"
    & skf21("4","5","2","1","6","5","5","1") = "5"
    & skf21("4","5","2","1","6","5","6","1") = "5"
    & skf21("4","5","2","1","6","5","7","1") = "6"
    & skf21("4","5","2","1","6","6","1","1") = "5"
    & skf21("4","5","2","1","6","6","2","1") = "5"
    & skf21("4","5","2","1","6","6","3","1") = "5"
    & skf21("4","5","2","1","6","6","4","1") = "5"
    & skf21("4","5","2","1","6","6","5","1") = "5"
    & skf21("4","5","2","1","6","6","6","1") = "5"
    & skf21("4","5","2","1","6","6","7","1") = "6"
    & skf21("4","5","2","1","6","7","1","1") = "6"
    & skf21("4","5","2","1","6","7","2","1") = "6"
    & skf21("4","5","2","1","6","7","3","1") = "6"
    & skf21("4","5","2","1","6","7","4","1") = "6"
    & skf21("4","5","2","1","6","7","5","1") = "6"
    & skf21("4","5","2","1","6","7","6","1") = "6"
    & skf21("4","5","2","1","6","7","7","1") = "6"
    & skf21("4","5","2","1","7","1","1","1") = "6"
    & skf21("4","5","2","1","7","1","2","1") = "6"
    & skf21("4","5","2","1","7","1","3","1") = "6"
    & skf21("4","5","2","1","7","1","4","1") = "6"
    & skf21("4","5","2","1","7","1","5","1") = "6"
    & skf21("4","5","2","1","7","1","6","1") = "6"
    & skf21("4","5","2","1","7","1","7","1") = "6"
    & skf21("4","5","2","1","7","2","1","1") = "6"
    & skf21("4","5","2","1","7","2","2","1") = "6"
    & skf21("4","5","2","1","7","2","3","1") = "6"
    & skf21("4","5","2","1","7","2","4","1") = "6"
    & skf21("4","5","2","1","7","2","5","1") = "6"
    & skf21("4","5","2","1","7","2","6","1") = "6"
    & skf21("4","5","2","1","7","2","7","1") = "6"
    & skf21("4","5","2","1","7","3","1","1") = "6"
    & skf21("4","5","2","1","7","3","2","1") = "6"
    & skf21("4","5","2","1","7","3","3","1") = "6"
    & skf21("4","5","2","1","7","3","4","1") = "6"
    & skf21("4","5","2","1","7","3","5","1") = "6"
    & skf21("4","5","2","1","7","3","6","1") = "6"
    & skf21("4","5","2","1","7","3","7","1") = "6"
    & skf21("4","5","2","1","7","4","1","1") = "6"
    & skf21("4","5","2","1","7","4","2","1") = "6"
    & skf21("4","5","2","1","7","4","3","1") = "6"
    & skf21("4","5","2","1","7","4","4","1") = "6"
    & skf21("4","5","2","1","7","4","5","1") = "6"
    & skf21("4","5","2","1","7","4","6","1") = "6"
    & skf21("4","5","2","1","7","4","7","1") = "6"
    & skf21("4","5","2","1","7","5","1","1") = "6"
    & skf21("4","5","2","1","7","5","2","1") = "6"
    & skf21("4","5","2","1","7","5","3","1") = "6"
    & skf21("4","5","2","1","7","5","4","1") = "6"
    & skf21("4","5","2","1","7","5","5","1") = "6"
    & skf21("4","5","2","1","7","5","6","1") = "6"
    & skf21("4","5","2","1","7","5","7","1") = "6"
    & skf21("4","5","2","1","7","6","1","1") = "6"
    & skf21("4","5","2","1","7","6","2","1") = "6"
    & skf21("4","5","2","1","7","6","3","1") = "6"
    & skf21("4","5","2","1","7","6","4","1") = "6"
    & skf21("4","5","2","1","7","6","5","1") = "6"
    & skf21("4","5","2","1","7","6","6","1") = "6"
    & skf21("4","5","2","1","7","6","7","1") = "6"
    & skf21("4","5","2","1","7","7","1","1") = "6"
    & skf21("4","5","2","1","7","7","2","1") = "6"
    & skf21("4","5","2","1","7","7","3","1") = "6"
    & skf21("4","5","2","1","7","7","4","1") = "6"
    & skf21("4","5","2","1","7","7","5","1") = "6"
    & skf21("4","5","2","1","7","7","6","1") = "6"
    & skf21("4","5","2","1","7","7","7","1") = "6"
    & skf21("4","5","2","2","1","1","1","1") = "4"
    & skf21("4","5","2","2","1","1","2","1") = "4"
    & skf21("4","5","2","2","1","1","3","1") = "4"
    & skf21("4","5","2","2","1","1","4","1") = "4"
    & skf21("4","5","2","2","1","1","5","1") = "4"
    & skf21("4","5","2","2","1","1","6","1") = "5"
    & skf21("4","5","2","2","1","1","7","1") = "6"
    & skf21("4","5","2","2","1","2","1","1") = "4"
    & skf21("4","5","2","2","1","2","2","1") = "4"
    & skf21("4","5","2","2","1","2","3","1") = "4"
    & skf21("4","5","2","2","1","2","4","1") = "4"
    & skf21("4","5","2","2","1","2","5","1") = "4"
    & skf21("4","5","2","2","1","2","6","1") = "5"
    & skf21("4","5","2","2","1","2","7","1") = "6"
    & skf21("4","5","2","2","1","3","1","1") = "4"
    & skf21("4","5","2","2","1","3","2","1") = "4"
    & skf21("4","5","2","2","1","3","3","1") = "4"
    & skf21("4","5","2","2","1","3","4","1") = "4"
    & skf21("4","5","2","2","1","3","5","1") = "4"
    & skf21("4","5","2","2","1","3","6","1") = "5"
    & skf21("4","5","2","2","1","3","7","1") = "6"
    & skf21("4","5","2","2","1","4","1","1") = "4"
    & skf21("4","5","2","2","1","4","2","1") = "4"
    & skf21("4","5","2","2","1","4","3","1") = "4"
    & skf21("4","5","2","2","1","4","4","1") = "4"
    & skf21("4","5","2","2","1","4","5","1") = "4"
    & skf21("4","5","2","2","1","4","6","1") = "5"
    & skf21("4","5","2","2","1","4","7","1") = "6"
    & skf21("4","5","2","2","1","5","1","1") = "4"
    & skf21("4","5","2","2","1","5","2","1") = "4"
    & skf21("4","5","2","2","1","5","3","1") = "4"
    & skf21("4","5","2","2","1","5","4","1") = "4"
    & skf21("4","5","2","2","1","5","5","1") = "4"
    & skf21("4","5","2","2","1","5","6","1") = "5"
    & skf21("4","5","2","2","1","5","7","1") = "6"
    & skf21("4","5","2","2","1","6","1","1") = "5"
    & skf21("4","5","2","2","1","6","2","1") = "5"
    & skf21("4","5","2","2","1","6","3","1") = "5"
    & skf21("4","5","2","2","1","6","4","1") = "5"
    & skf21("4","5","2","2","1","6","5","1") = "5"
    & skf21("4","5","2","2","1","6","6","1") = "5"
    & skf21("4","5","2","2","1","6","7","1") = "6"
    & skf21("4","5","2","2","1","7","1","1") = "6"
    & skf21("4","5","2","2","1","7","2","1") = "6"
    & skf21("4","5","2","2","1","7","3","1") = "6"
    & skf21("4","5","2","2","1","7","4","1") = "6"
    & skf21("4","5","2","2","1","7","5","1") = "6"
    & skf21("4","5","2","2","1","7","6","1") = "6"
    & skf21("4","5","2","2","1","7","7","1") = "6"
    & skf21("4","5","2","2","2","1","1","1") = "4"
    & skf21("4","5","2","2","2","1","2","1") = "4"
    & skf21("4","5","2","2","2","1","3","1") = "4"
    & skf21("4","5","2","2","2","1","4","1") = "4"
    & skf21("4","5","2","2","2","1","5","1") = "4"
    & skf21("4","5","2","2","2","1","6","1") = "5"
    & skf21("4","5","2","2","2","1","7","1") = "6"
    & skf21("4","5","2","2","2","2","1","1") = "4"
    & skf21("4","5","2","2","2","2","2","1") = "4"
    & skf21("4","5","2","2","2","2","3","1") = "4"
    & skf21("4","5","2","2","2","2","4","1") = "4"
    & skf21("4","5","2","2","2","2","5","1") = "4"
    & skf21("4","5","2","2","2","2","6","1") = "5"
    & skf21("4","5","2","2","2","2","7","1") = "6"
    & skf21("4","5","2","2","2","3","1","1") = "4"
    & skf21("4","5","2","2","2","3","2","1") = "4"
    & skf21("4","5","2","2","2","3","3","1") = "4"
    & skf21("4","5","2","2","2","3","4","1") = "4"
    & skf21("4","5","2","2","2","3","5","1") = "4"
    & skf21("4","5","2","2","2","3","6","1") = "5"
    & skf21("4","5","2","2","2","3","7","1") = "6"
    & skf21("4","5","2","2","2","4","1","1") = "4"
    & skf21("4","5","2","2","2","4","2","1") = "4"
    & skf21("4","5","2","2","2","4","3","1") = "4"
    & skf21("4","5","2","2","2","4","4","1") = "4"
    & skf21("4","5","2","2","2","4","5","1") = "4"
    & skf21("4","5","2","2","2","4","6","1") = "5"
    & skf21("4","5","2","2","2","4","7","1") = "6"
    & skf21("4","5","2","2","2","5","1","1") = "4"
    & skf21("4","5","2","2","2","5","2","1") = "4"
    & skf21("4","5","2","2","2","5","3","1") = "4"
    & skf21("4","5","2","2","2","5","4","1") = "4"
    & skf21("4","5","2","2","2","5","5","1") = "4"
    & skf21("4","5","2","2","2","5","6","1") = "5"
    & skf21("4","5","2","2","2","5","7","1") = "6"
    & skf21("4","5","2","2","2","6","1","1") = "5"
    & skf21("4","5","2","2","2","6","2","1") = "5"
    & skf21("4","5","2","2","2","6","3","1") = "5"
    & skf21("4","5","2","2","2","6","4","1") = "5"
    & skf21("4","5","2","2","2","6","5","1") = "5"
    & skf21("4","5","2","2","2","6","6","1") = "5"
    & skf21("4","5","2","2","2","6","7","1") = "6"
    & skf21("4","5","2","2","2","7","1","1") = "6"
    & skf21("4","5","2","2","2","7","2","1") = "6"
    & skf21("4","5","2","2","2","7","3","1") = "6"
    & skf21("4","5","2","2","2","7","4","1") = "6"
    & skf21("4","5","2","2","2","7","5","1") = "6"
    & skf21("4","5","2","2","2","7","6","1") = "6"
    & skf21("4","5","2","2","2","7","7","1") = "6"
    & skf21("4","5","2","2","3","1","1","1") = "4"
    & skf21("4","5","2","2","3","1","2","1") = "4"
    & skf21("4","5","2","2","3","1","3","1") = "4"
    & skf21("4","5","2","2","3","1","4","1") = "4"
    & skf21("4","5","2","2","3","1","5","1") = "4"
    & skf21("4","5","2","2","3","1","6","1") = "5"
    & skf21("4","5","2","2","3","1","7","1") = "6"
    & skf21("4","5","2","2","3","2","1","1") = "4"
    & skf21("4","5","2","2","3","2","2","1") = "4"
    & skf21("4","5","2","2","3","2","3","1") = "4"
    & skf21("4","5","2","2","3","2","4","1") = "4"
    & skf21("4","5","2","2","3","2","5","1") = "4"
    & skf21("4","5","2","2","3","2","6","1") = "5"
    & skf21("4","5","2","2","3","2","7","1") = "6"
    & skf21("4","5","2","2","3","3","1","1") = "4"
    & skf21("4","5","2","2","3","3","2","1") = "4"
    & skf21("4","5","2","2","3","3","3","1") = "4"
    & skf21("4","5","2","2","3","3","4","1") = "4"
    & skf21("4","5","2","2","3","3","5","1") = "4"
    & skf21("4","5","2","2","3","3","6","1") = "5"
    & skf21("4","5","2","2","3","3","7","1") = "6"
    & skf21("4","5","2","2","3","4","1","1") = "4"
    & skf21("4","5","2","2","3","4","2","1") = "4"
    & skf21("4","5","2","2","3","4","3","1") = "4"
    & skf21("4","5","2","2","3","4","4","1") = "4"
    & skf21("4","5","2","2","3","4","5","1") = "4"
    & skf21("4","5","2","2","3","4","6","1") = "5"
    & skf21("4","5","2","2","3","4","7","1") = "6"
    & skf21("4","5","2","2","3","5","1","1") = "4"
    & skf21("4","5","2","2","3","5","2","1") = "4"
    & skf21("4","5","2","2","3","5","3","1") = "4"
    & skf21("4","5","2","2","3","5","4","1") = "4"
    & skf21("4","5","2","2","3","5","5","1") = "4"
    & skf21("4","5","2","2","3","5","6","1") = "5"
    & skf21("4","5","2","2","3","5","7","1") = "6"
    & skf21("4","5","2","2","3","6","1","1") = "5"
    & skf21("4","5","2","2","3","6","2","1") = "5"
    & skf21("4","5","2","2","3","6","3","1") = "5"
    & skf21("4","5","2","2","3","6","4","1") = "5"
    & skf21("4","5","2","2","3","6","5","1") = "5"
    & skf21("4","5","2","2","3","6","6","1") = "5"
    & skf21("4","5","2","2","3","6","7","1") = "6"
    & skf21("4","5","2","2","3","7","1","1") = "6"
    & skf21("4","5","2","2","3","7","2","1") = "6"
    & skf21("4","5","2","2","3","7","3","1") = "6"
    & skf21("4","5","2","2","3","7","4","1") = "6"
    & skf21("4","5","2","2","3","7","5","1") = "6"
    & skf21("4","5","2","2","3","7","6","1") = "6"
    & skf21("4","5","2","2","3","7","7","1") = "6"
    & skf21("4","5","2","2","4","1","1","1") = "4"
    & skf21("4","5","2","2","4","1","2","1") = "4"
    & skf21("4","5","2","2","4","1","3","1") = "4"
    & skf21("4","5","2","2","4","1","4","1") = "4"
    & skf21("4","5","2","2","4","1","5","1") = "4"
    & skf21("4","5","2","2","4","1","6","1") = "5"
    & skf21("4","5","2","2","4","1","7","1") = "6"
    & skf21("4","5","2","2","4","2","1","1") = "4"
    & skf21("4","5","2","2","4","2","2","1") = "4"
    & skf21("4","5","2","2","4","2","3","1") = "4"
    & skf21("4","5","2","2","4","2","4","1") = "4"
    & skf21("4","5","2","2","4","2","5","1") = "4"
    & skf21("4","5","2","2","4","2","6","1") = "5"
    & skf21("4","5","2","2","4","2","7","1") = "6"
    & skf21("4","5","2","2","4","3","1","1") = "4"
    & skf21("4","5","2","2","4","3","2","1") = "4"
    & skf21("4","5","2","2","4","3","3","1") = "4"
    & skf21("4","5","2","2","4","3","4","1") = "4"
    & skf21("4","5","2","2","4","3","5","1") = "4"
    & skf21("4","5","2","2","4","3","6","1") = "5"
    & skf21("4","5","2","2","4","3","7","1") = "6"
    & skf21("4","5","2","2","4","4","1","1") = "4"
    & skf21("4","5","2","2","4","4","2","1") = "4"
    & skf21("4","5","2","2","4","4","3","1") = "4"
    & skf21("4","5","2","2","4","4","4","1") = "4"
    & skf21("4","5","2","2","4","4","5","1") = "4"
    & skf21("4","5","2","2","4","4","6","1") = "5"
    & skf21("4","5","2","2","4","4","7","1") = "6"
    & skf21("4","5","2","2","4","5","1","1") = "4"
    & skf21("4","5","2","2","4","5","2","1") = "4"
    & skf21("4","5","2","2","4","5","3","1") = "4"
    & skf21("4","5","2","2","4","5","4","1") = "4"
    & skf21("4","5","2","2","4","5","5","1") = "4"
    & skf21("4","5","2","2","4","5","6","1") = "5"
    & skf21("4","5","2","2","4","5","7","1") = "6"
    & skf21("4","5","2","2","4","6","1","1") = "5"
    & skf21("4","5","2","2","4","6","2","1") = "5"
    & skf21("4","5","2","2","4","6","3","1") = "5"
    & skf21("4","5","2","2","4","6","4","1") = "5"
    & skf21("4","5","2","2","4","6","5","1") = "5"
    & skf21("4","5","2","2","4","6","6","1") = "5"
    & skf21("4","5","2","2","4","6","7","1") = "6"
    & skf21("4","5","2","2","4","7","1","1") = "6"
    & skf21("4","5","2","2","4","7","2","1") = "6"
    & skf21("4","5","2","2","4","7","3","1") = "6"
    & skf21("4","5","2","2","4","7","4","1") = "6"
    & skf21("4","5","2","2","4","7","5","1") = "6"
    & skf21("4","5","2","2","4","7","6","1") = "6"
    & skf21("4","5","2","2","4","7","7","1") = "6"
    & skf21("4","5","2","2","5","1","1","1") = "4"
    & skf21("4","5","2","2","5","1","2","1") = "4"
    & skf21("4","5","2","2","5","1","3","1") = "4"
    & skf21("4","5","2","2","5","1","4","1") = "4"
    & skf21("4","5","2","2","5","1","5","1") = "4"
    & skf21("4","5","2","2","5","1","6","1") = "5"
    & skf21("4","5","2","2","5","1","7","1") = "6"
    & skf21("4","5","2","2","5","2","1","1") = "4"
    & skf21("4","5","2","2","5","2","2","1") = "4"
    & skf21("4","5","2","2","5","2","3","1") = "4"
    & skf21("4","5","2","2","5","2","4","1") = "4"
    & skf21("4","5","2","2","5","2","5","1") = "4"
    & skf21("4","5","2","2","5","2","6","1") = "5"
    & skf21("4","5","2","2","5","2","7","1") = "6"
    & skf21("4","5","2","2","5","3","1","1") = "4"
    & skf21("4","5","2","2","5","3","2","1") = "4"
    & skf21("4","5","2","2","5","3","3","1") = "4"
    & skf21("4","5","2","2","5","3","4","1") = "4"
    & skf21("4","5","2","2","5","3","5","1") = "4"
    & skf21("4","5","2","2","5","3","6","1") = "5"
    & skf21("4","5","2","2","5","3","7","1") = "6"
    & skf21("4","5","2","2","5","4","1","1") = "4"
    & skf21("4","5","2","2","5","4","2","1") = "4"
    & skf21("4","5","2","2","5","4","3","1") = "4"
    & skf21("4","5","2","2","5","4","4","1") = "4"
    & skf21("4","5","2","2","5","4","5","1") = "4"
    & skf21("4","5","2","2","5","4","6","1") = "5"
    & skf21("4","5","2","2","5","4","7","1") = "6"
    & skf21("4","5","2","2","5","5","1","1") = "4"
    & skf21("4","5","2","2","5","5","2","1") = "4"
    & skf21("4","5","2","2","5","5","3","1") = "4"
    & skf21("4","5","2","2","5","5","4","1") = "4"
    & skf21("4","5","2","2","5","5","5","1") = "4"
    & skf21("4","5","2","2","5","5","6","1") = "5"
    & skf21("4","5","2","2","5","5","7","1") = "6"
    & skf21("4","5","2","2","5","6","1","1") = "5"
    & skf21("4","5","2","2","5","6","2","1") = "5"
    & skf21("4","5","2","2","5","6","3","1") = "5"
    & skf21("4","5","2","2","5","6","4","1") = "5"
    & skf21("4","5","2","2","5","6","5","1") = "5"
    & skf21("4","5","2","2","5","6","6","1") = "5"
    & skf21("4","5","2","2","5","6","7","1") = "6"
    & skf21("4","5","2","2","5","7","1","1") = "6"
    & skf21("4","5","2","2","5","7","2","1") = "6"
    & skf21("4","5","2","2","5","7","3","1") = "6"
    & skf21("4","5","2","2","5","7","4","1") = "6"
    & skf21("4","5","2","2","5","7","5","1") = "6"
    & skf21("4","5","2","2","5","7","6","1") = "6"
    & skf21("4","5","2","2","5","7","7","1") = "6"
    & skf21("4","5","2","2","6","1","1","1") = "5"
    & skf21("4","5","2","2","6","1","2","1") = "5"
    & skf21("4","5","2","2","6","1","3","1") = "5"
    & skf21("4","5","2","2","6","1","4","1") = "5"
    & skf21("4","5","2","2","6","1","5","1") = "5"
    & skf21("4","5","2","2","6","1","6","1") = "5"
    & skf21("4","5","2","2","6","1","7","1") = "6"
    & skf21("4","5","2","2","6","2","1","1") = "5"
    & skf21("4","5","2","2","6","2","2","1") = "5"
    & skf21("4","5","2","2","6","2","3","1") = "5"
    & skf21("4","5","2","2","6","2","4","1") = "5"
    & skf21("4","5","2","2","6","2","5","1") = "5"
    & skf21("4","5","2","2","6","2","6","1") = "5"
    & skf21("4","5","2","2","6","2","7","1") = "6"
    & skf21("4","5","2","2","6","3","1","1") = "5"
    & skf21("4","5","2","2","6","3","2","1") = "5"
    & skf21("4","5","2","2","6","3","3","1") = "5"
    & skf21("4","5","2","2","6","3","4","1") = "5"
    & skf21("4","5","2","2","6","3","5","1") = "5"
    & skf21("4","5","2","2","6","3","6","1") = "5"
    & skf21("4","5","2","2","6","3","7","1") = "6"
    & skf21("4","5","2","2","6","4","1","1") = "5"
    & skf21("4","5","2","2","6","4","2","1") = "5"
    & skf21("4","5","2","2","6","4","3","1") = "5"
    & skf21("4","5","2","2","6","4","4","1") = "5"
    & skf21("4","5","2","2","6","4","5","1") = "5"
    & skf21("4","5","2","2","6","4","6","1") = "5"
    & skf21("4","5","2","2","6","4","7","1") = "6"
    & skf21("4","5","2","2","6","5","1","1") = "5"
    & skf21("4","5","2","2","6","5","2","1") = "5"
    & skf21("4","5","2","2","6","5","3","1") = "5"
    & skf21("4","5","2","2","6","5","4","1") = "5"
    & skf21("4","5","2","2","6","5","5","1") = "5"
    & skf21("4","5","2","2","6","5","6","1") = "5"
    & skf21("4","5","2","2","6","5","7","1") = "6"
    & skf21("4","5","2","2","6","6","1","1") = "5"
    & skf21("4","5","2","2","6","6","2","1") = "5"
    & skf21("4","5","2","2","6","6","3","1") = "5"
    & skf21("4","5","2","2","6","6","4","1") = "5"
    & skf21("4","5","2","2","6","6","5","1") = "5"
    & skf21("4","5","2","2","6","6","6","1") = "5"
    & skf21("4","5","2","2","6","6","7","1") = "6"
    & skf21("4","5","2","2","6","7","1","1") = "6"
    & skf21("4","5","2","2","6","7","2","1") = "6"
    & skf21("4","5","2","2","6","7","3","1") = "6"
    & skf21("4","5","2","2","6","7","4","1") = "6"
    & skf21("4","5","2","2","6","7","5","1") = "6"
    & skf21("4","5","2","2","6","7","6","1") = "6"
    & skf21("4","5","2","2","6","7","7","1") = "6"
    & skf21("4","5","2","2","7","1","1","1") = "6"
    & skf21("4","5","2","2","7","1","2","1") = "6"
    & skf21("4","5","2","2","7","1","3","1") = "6"
    & skf21("4","5","2","2","7","1","4","1") = "6"
    & skf21("4","5","2","2","7","1","5","1") = "6"
    & skf21("4","5","2","2","7","1","6","1") = "6"
    & skf21("4","5","2","2","7","1","7","1") = "6"
    & skf21("4","5","2","2","7","2","1","1") = "6"
    & skf21("4","5","2","2","7","2","2","1") = "6"
    & skf21("4","5","2","2","7","2","3","1") = "6"
    & skf21("4","5","2","2","7","2","4","1") = "6"
    & skf21("4","5","2","2","7","2","5","1") = "6"
    & skf21("4","5","2","2","7","2","6","1") = "6"
    & skf21("4","5","2","2","7","2","7","1") = "6"
    & skf21("4","5","2","2","7","3","1","1") = "6"
    & skf21("4","5","2","2","7","3","2","1") = "6"
    & skf21("4","5","2","2","7","3","3","1") = "6"
    & skf21("4","5","2","2","7","3","4","1") = "6"
    & skf21("4","5","2","2","7","3","5","1") = "6"
    & skf21("4","5","2","2","7","3","6","1") = "6"
    & skf21("4","5","2","2","7","3","7","1") = "6"
    & skf21("4","5","2","2","7","4","1","1") = "6"
    & skf21("4","5","2","2","7","4","2","1") = "6"
    & skf21("4","5","2","2","7","4","3","1") = "6"
    & skf21("4","5","2","2","7","4","4","1") = "6"
    & skf21("4","5","2","2","7","4","5","1") = "6"
    & skf21("4","5","2","2","7","4","6","1") = "6"
    & skf21("4","5","2","2","7","4","7","1") = "6"
    & skf21("4","5","2","2","7","5","1","1") = "6"
    & skf21("4","5","2","2","7","5","2","1") = "6"
    & skf21("4","5","2","2","7","5","3","1") = "6"
    & skf21("4","5","2","2","7","5","4","1") = "6"
    & skf21("4","5","2","2","7","5","5","1") = "6"
    & skf21("4","5","2","2","7","5","6","1") = "6"
    & skf21("4","5","2","2","7","5","7","1") = "6"
    & skf21("4","5","2","2","7","6","1","1") = "6"
    & skf21("4","5","2","2","7","6","2","1") = "6"
    & skf21("4","5","2","2","7","6","3","1") = "6"
    & skf21("4","5","2","2","7","6","4","1") = "6"
    & skf21("4","5","2","2","7","6","5","1") = "6"
    & skf21("4","5","2","2","7","6","6","1") = "6"
    & skf21("4","5","2","2","7","6","7","1") = "6"
    & skf21("4","5","2","2","7","7","1","1") = "6"
    & skf21("4","5","2","2","7","7","2","1") = "6"
    & skf21("4","5","2","2","7","7","3","1") = "6"
    & skf21("4","5","2","2","7","7","4","1") = "6"
    & skf21("4","5","2","2","7","7","5","1") = "6"
    & skf21("4","5","2","2","7","7","6","1") = "6"
    & skf21("4","5","2","2","7","7","7","1") = "6"
    & skf21("4","5","2","3","1","1","1","1") = "4"
    & skf21("4","5","2","3","1","1","2","1") = "4"
    & skf21("4","5","2","3","1","1","3","1") = "4"
    & skf21("4","5","2","3","1","1","4","1") = "4"
    & skf21("4","5","2","3","1","1","5","1") = "4"
    & skf21("4","5","2","3","1","1","6","1") = "5"
    & skf21("4","5","2","3","1","1","7","1") = "6"
    & skf21("4","5","2","3","1","2","1","1") = "4"
    & skf21("4","5","2","3","1","2","2","1") = "4"
    & skf21("4","5","2","3","1","2","3","1") = "4"
    & skf21("4","5","2","3","1","2","4","1") = "4"
    & skf21("4","5","2","3","1","2","5","1") = "4"
    & skf21("4","5","2","3","1","2","6","1") = "5"
    & skf21("4","5","2","3","1","2","7","1") = "6"
    & skf21("4","5","2","3","1","3","1","1") = "4"
    & skf21("4","5","2","3","1","3","2","1") = "4"
    & skf21("4","5","2","3","1","3","3","1") = "4"
    & skf21("4","5","2","3","1","3","4","1") = "4"
    & skf21("4","5","2","3","1","3","5","1") = "4"
    & skf21("4","5","2","3","1","3","6","1") = "5"
    & skf21("4","5","2","3","1","3","7","1") = "6"
    & skf21("4","5","2","3","1","4","1","1") = "4"
    & skf21("4","5","2","3","1","4","2","1") = "4"
    & skf21("4","5","2","3","1","4","3","1") = "4"
    & skf21("4","5","2","3","1","4","4","1") = "4"
    & skf21("4","5","2","3","1","4","5","1") = "4"
    & skf21("4","5","2","3","1","4","6","1") = "5"
    & skf21("4","5","2","3","1","4","7","1") = "6"
    & skf21("4","5","2","3","1","5","1","1") = "4"
    & skf21("4","5","2","3","1","5","2","1") = "4"
    & skf21("4","5","2","3","1","5","3","1") = "4"
    & skf21("4","5","2","3","1","5","4","1") = "4"
    & skf21("4","5","2","3","1","5","5","1") = "4"
    & skf21("4","5","2","3","1","5","6","1") = "5"
    & skf21("4","5","2","3","1","5","7","1") = "6"
    & skf21("4","5","2","3","1","6","1","1") = "5"
    & skf21("4","5","2","3","1","6","2","1") = "5"
    & skf21("4","5","2","3","1","6","3","1") = "5"
    & skf21("4","5","2","3","1","6","4","1") = "5"
    & skf21("4","5","2","3","1","6","5","1") = "5"
    & skf21("4","5","2","3","1","6","6","1") = "5"
    & skf21("4","5","2","3","1","6","7","1") = "6"
    & skf21("4","5","2","3","1","7","1","1") = "6"
    & skf21("4","5","2","3","1","7","2","1") = "6"
    & skf21("4","5","2","3","1","7","3","1") = "6"
    & skf21("4","5","2","3","1","7","4","1") = "6"
    & skf21("4","5","2","3","1","7","5","1") = "6"
    & skf21("4","5","2","3","1","7","6","1") = "6"
    & skf21("4","5","2","3","1","7","7","1") = "6"
    & skf21("4","5","2","3","2","1","1","1") = "4"
    & skf21("4","5","2","3","2","1","2","1") = "4"
    & skf21("4","5","2","3","2","1","3","1") = "4"
    & skf21("4","5","2","3","2","1","4","1") = "4"
    & skf21("4","5","2","3","2","1","5","1") = "4"
    & skf21("4","5","2","3","2","1","6","1") = "5"
    & skf21("4","5","2","3","2","1","7","1") = "6"
    & skf21("4","5","2","3","2","2","1","1") = "4"
    & skf21("4","5","2","3","2","2","2","1") = "4"
    & skf21("4","5","2","3","2","2","3","1") = "4"
    & skf21("4","5","2","3","2","2","4","1") = "4"
    & skf21("4","5","2","3","2","2","5","1") = "4"
    & skf21("4","5","2","3","2","2","6","1") = "5"
    & skf21("4","5","2","3","2","2","7","1") = "6"
    & skf21("4","5","2","3","2","3","1","1") = "4"
    & skf21("4","5","2","3","2","3","2","1") = "4"
    & skf21("4","5","2","3","2","3","3","1") = "4"
    & skf21("4","5","2","3","2","3","4","1") = "4"
    & skf21("4","5","2","3","2","3","5","1") = "4"
    & skf21("4","5","2","3","2","3","6","1") = "5"
    & skf21("4","5","2","3","2","3","7","1") = "6"
    & skf21("4","5","2","3","2","4","1","1") = "4"
    & skf21("4","5","2","3","2","4","2","1") = "4"
    & skf21("4","5","2","3","2","4","3","1") = "4"
    & skf21("4","5","2","3","2","4","4","1") = "4"
    & skf21("4","5","2","3","2","4","5","1") = "4"
    & skf21("4","5","2","3","2","4","6","1") = "5"
    & skf21("4","5","2","3","2","4","7","1") = "6"
    & skf21("4","5","2","3","2","5","1","1") = "4"
    & skf21("4","5","2","3","2","5","2","1") = "4"
    & skf21("4","5","2","3","2","5","3","1") = "4"
    & skf21("4","5","2","3","2","5","4","1") = "4"
    & skf21("4","5","2","3","2","5","5","1") = "4"
    & skf21("4","5","2","3","2","5","6","1") = "5"
    & skf21("4","5","2","3","2","5","7","1") = "6"
    & skf21("4","5","2","3","2","6","1","1") = "5"
    & skf21("4","5","2","3","2","6","2","1") = "5"
    & skf21("4","5","2","3","2","6","3","1") = "5"
    & skf21("4","5","2","3","2","6","4","1") = "5"
    & skf21("4","5","2","3","2","6","5","1") = "5"
    & skf21("4","5","2","3","2","6","6","1") = "5"
    & skf21("4","5","2","3","2","6","7","1") = "6"
    & skf21("4","5","2","3","2","7","1","1") = "6"
    & skf21("4","5","2","3","2","7","2","1") = "6"
    & skf21("4","5","2","3","2","7","3","1") = "6"
    & skf21("4","5","2","3","2","7","4","1") = "6"
    & skf21("4","5","2","3","2","7","5","1") = "6"
    & skf21("4","5","2","3","2","7","6","1") = "6"
    & skf21("4","5","2","3","2","7","7","1") = "6"
    & skf21("4","5","2","3","3","1","1","1") = "4"
    & skf21("4","5","2","3","3","1","2","1") = "4"
    & skf21("4","5","2","3","3","1","3","1") = "4"
    & skf21("4","5","2","3","3","1","4","1") = "4"
    & skf21("4","5","2","3","3","1","5","1") = "4"
    & skf21("4","5","2","3","3","1","6","1") = "5"
    & skf21("4","5","2","3","3","1","7","1") = "6"
    & skf21("4","5","2","3","3","2","1","1") = "4"
    & skf21("4","5","2","3","3","2","2","1") = "4"
    & skf21("4","5","2","3","3","2","3","1") = "4"
    & skf21("4","5","2","3","3","2","4","1") = "4"
    & skf21("4","5","2","3","3","2","5","1") = "4"
    & skf21("4","5","2","3","3","2","6","1") = "5"
    & skf21("4","5","2","3","3","2","7","1") = "6"
    & skf21("4","5","2","3","3","3","1","1") = "4"
    & skf21("4","5","2","3","3","3","2","1") = "4"
    & skf21("4","5","2","3","3","3","3","1") = "4"
    & skf21("4","5","2","3","3","3","4","1") = "4"
    & skf21("4","5","2","3","3","3","5","1") = "4"
    & skf21("4","5","2","3","3","3","6","1") = "5"
    & skf21("4","5","2","3","3","3","7","1") = "6"
    & skf21("4","5","2","3","3","4","1","1") = "4"
    & skf21("4","5","2","3","3","4","2","1") = "4"
    & skf21("4","5","2","3","3","4","3","1") = "4"
    & skf21("4","5","2","3","3","4","4","1") = "4"
    & skf21("4","5","2","3","3","4","5","1") = "4"
    & skf21("4","5","2","3","3","4","6","1") = "5"
    & skf21("4","5","2","3","3","4","7","1") = "6"
    & skf21("4","5","2","3","3","5","1","1") = "4"
    & skf21("4","5","2","3","3","5","2","1") = "4"
    & skf21("4","5","2","3","3","5","3","1") = "4"
    & skf21("4","5","2","3","3","5","4","1") = "4"
    & skf21("4","5","2","3","3","5","5","1") = "4"
    & skf21("4","5","2","3","3","5","6","1") = "5"
    & skf21("4","5","2","3","3","5","7","1") = "6"
    & skf21("4","5","2","3","3","6","1","1") = "5"
    & skf21("4","5","2","3","3","6","2","1") = "5"
    & skf21("4","5","2","3","3","6","3","1") = "5"
    & skf21("4","5","2","3","3","6","4","1") = "5"
    & skf21("4","5","2","3","3","6","5","1") = "5"
    & skf21("4","5","2","3","3","6","6","1") = "5"
    & skf21("4","5","2","3","3","6","7","1") = "6"
    & skf21("4","5","2","3","3","7","1","1") = "6"
    & skf21("4","5","2","3","3","7","2","1") = "6"
    & skf21("4","5","2","3","3","7","3","1") = "6"
    & skf21("4","5","2","3","3","7","4","1") = "6"
    & skf21("4","5","2","3","3","7","5","1") = "6"
    & skf21("4","5","2","3","3","7","6","1") = "6"
    & skf21("4","5","2","3","3","7","7","1") = "6"
    & skf21("4","5","2","3","4","1","1","1") = "4"
    & skf21("4","5","2","3","4","1","2","1") = "4"
    & skf21("4","5","2","3","4","1","3","1") = "4"
    & skf21("4","5","2","3","4","1","4","1") = "4"
    & skf21("4","5","2","3","4","1","5","1") = "4"
    & skf21("4","5","2","3","4","1","6","1") = "5"
    & skf21("4","5","2","3","4","1","7","1") = "6"
    & skf21("4","5","2","3","4","2","1","1") = "4"
    & skf21("4","5","2","3","4","2","2","1") = "4"
    & skf21("4","5","2","3","4","2","3","1") = "4"
    & skf21("4","5","2","3","4","2","4","1") = "4"
    & skf21("4","5","2","3","4","2","5","1") = "4"
    & skf21("4","5","2","3","4","2","6","1") = "5"
    & skf21("4","5","2","3","4","2","7","1") = "6"
    & skf21("4","5","2","3","4","3","1","1") = "4"
    & skf21("4","5","2","3","4","3","2","1") = "4"
    & skf21("4","5","2","3","4","3","3","1") = "4"
    & skf21("4","5","2","3","4","3","4","1") = "4"
    & skf21("4","5","2","3","4","3","5","1") = "4"
    & skf21("4","5","2","3","4","3","6","1") = "5"
    & skf21("4","5","2","3","4","3","7","1") = "6"
    & skf21("4","5","2","3","4","4","1","1") = "4"
    & skf21("4","5","2","3","4","4","2","1") = "4"
    & skf21("4","5","2","3","4","4","3","1") = "4"
    & skf21("4","5","2","3","4","4","4","1") = "4"
    & skf21("4","5","2","3","4","4","5","1") = "4"
    & skf21("4","5","2","3","4","4","6","1") = "5"
    & skf21("4","5","2","3","4","4","7","1") = "6"
    & skf21("4","5","2","3","4","5","1","1") = "4"
    & skf21("4","5","2","3","4","5","2","1") = "4"
    & skf21("4","5","2","3","4","5","3","1") = "4"
    & skf21("4","5","2","3","4","5","4","1") = "4"
    & skf21("4","5","2","3","4","5","5","1") = "4"
    & skf21("4","5","2","3","4","5","6","1") = "5"
    & skf21("4","5","2","3","4","5","7","1") = "6"
    & skf21("4","5","2","3","4","6","1","1") = "5"
    & skf21("4","5","2","3","4","6","2","1") = "5"
    & skf21("4","5","2","3","4","6","3","1") = "5"
    & skf21("4","5","2","3","4","6","4","1") = "5"
    & skf21("4","5","2","3","4","6","5","1") = "5"
    & skf21("4","5","2","3","4","6","6","1") = "5"
    & skf21("4","5","2","3","4","6","7","1") = "6"
    & skf21("4","5","2","3","4","7","1","1") = "6"
    & skf21("4","5","2","3","4","7","2","1") = "6"
    & skf21("4","5","2","3","4","7","3","1") = "6"
    & skf21("4","5","2","3","4","7","4","1") = "6"
    & skf21("4","5","2","3","4","7","5","1") = "6"
    & skf21("4","5","2","3","4","7","6","1") = "6"
    & skf21("4","5","2","3","4","7","7","1") = "6"
    & skf21("4","5","2","3","5","1","1","1") = "4"
    & skf21("4","5","2","3","5","1","2","1") = "4"
    & skf21("4","5","2","3","5","1","3","1") = "4"
    & skf21("4","5","2","3","5","1","4","1") = "4"
    & skf21("4","5","2","3","5","1","5","1") = "4"
    & skf21("4","5","2","3","5","1","6","1") = "5"
    & skf21("4","5","2","3","5","1","7","1") = "6"
    & skf21("4","5","2","3","5","2","1","1") = "4"
    & skf21("4","5","2","3","5","2","2","1") = "4"
    & skf21("4","5","2","3","5","2","3","1") = "4"
    & skf21("4","5","2","3","5","2","4","1") = "4"
    & skf21("4","5","2","3","5","2","5","1") = "4"
    & skf21("4","5","2","3","5","2","6","1") = "5"
    & skf21("4","5","2","3","5","2","7","1") = "6"
    & skf21("4","5","2","3","5","3","1","1") = "4"
    & skf21("4","5","2","3","5","3","2","1") = "4"
    & skf21("4","5","2","3","5","3","3","1") = "4"
    & skf21("4","5","2","3","5","3","4","1") = "4"
    & skf21("4","5","2","3","5","3","5","1") = "4"
    & skf21("4","5","2","3","5","3","6","1") = "5"
    & skf21("4","5","2","3","5","3","7","1") = "6"
    & skf21("4","5","2","3","5","4","1","1") = "4"
    & skf21("4","5","2","3","5","4","2","1") = "4"
    & skf21("4","5","2","3","5","4","3","1") = "4"
    & skf21("4","5","2","3","5","4","4","1") = "4"
    & skf21("4","5","2","3","5","4","5","1") = "4"
    & skf21("4","5","2","3","5","4","6","1") = "5"
    & skf21("4","5","2","3","5","4","7","1") = "6"
    & skf21("4","5","2","3","5","5","1","1") = "4"
    & skf21("4","5","2","3","5","5","2","1") = "4"
    & skf21("4","5","2","3","5","5","3","1") = "4"
    & skf21("4","5","2","3","5","5","4","1") = "4"
    & skf21("4","5","2","3","5","5","5","1") = "4"
    & skf21("4","5","2","3","5","5","6","1") = "5"
    & skf21("4","5","2","3","5","5","7","1") = "6"
    & skf21("4","5","2","3","5","6","1","1") = "5"
    & skf21("4","5","2","3","5","6","2","1") = "5"
    & skf21("4","5","2","3","5","6","3","1") = "5"
    & skf21("4","5","2","3","5","6","4","1") = "5"
    & skf21("4","5","2","3","5","6","5","1") = "5"
    & skf21("4","5","2","3","5","6","6","1") = "5"
    & skf21("4","5","2","3","5","6","7","1") = "6"
    & skf21("4","5","2","3","5","7","1","1") = "6"
    & skf21("4","5","2","3","5","7","2","1") = "6"
    & skf21("4","5","2","3","5","7","3","1") = "6"
    & skf21("4","5","2","3","5","7","4","1") = "6"
    & skf21("4","5","2","3","5","7","5","1") = "6"
    & skf21("4","5","2","3","5","7","6","1") = "6"
    & skf21("4","5","2","3","5","7","7","1") = "6"
    & skf21("4","5","2","3","6","1","1","1") = "5"
    & skf21("4","5","2","3","6","1","2","1") = "5"
    & skf21("4","5","2","3","6","1","3","1") = "5"
    & skf21("4","5","2","3","6","1","4","1") = "5"
    & skf21("4","5","2","3","6","1","5","1") = "5"
    & skf21("4","5","2","3","6","1","6","1") = "5"
    & skf21("4","5","2","3","6","1","7","1") = "6"
    & skf21("4","5","2","3","6","2","1","1") = "5"
    & skf21("4","5","2","3","6","2","2","1") = "5"
    & skf21("4","5","2","3","6","2","3","1") = "5"
    & skf21("4","5","2","3","6","2","4","1") = "5"
    & skf21("4","5","2","3","6","2","5","1") = "5"
    & skf21("4","5","2","3","6","2","6","1") = "5"
    & skf21("4","5","2","3","6","2","7","1") = "6"
    & skf21("4","5","2","3","6","3","1","1") = "5"
    & skf21("4","5","2","3","6","3","2","1") = "5"
    & skf21("4","5","2","3","6","3","3","1") = "5"
    & skf21("4","5","2","3","6","3","4","1") = "5"
    & skf21("4","5","2","3","6","3","5","1") = "5"
    & skf21("4","5","2","3","6","3","6","1") = "5"
    & skf21("4","5","2","3","6","3","7","1") = "6"
    & skf21("4","5","2","3","6","4","1","1") = "5"
    & skf21("4","5","2","3","6","4","2","1") = "5"
    & skf21("4","5","2","3","6","4","3","1") = "5"
    & skf21("4","5","2","3","6","4","4","1") = "5"
    & skf21("4","5","2","3","6","4","5","1") = "5"
    & skf21("4","5","2","3","6","4","6","1") = "5"
    & skf21("4","5","2","3","6","4","7","1") = "6"
    & skf21("4","5","2","3","6","5","1","1") = "5"
    & skf21("4","5","2","3","6","5","2","1") = "5"
    & skf21("4","5","2","3","6","5","3","1") = "5"
    & skf21("4","5","2","3","6","5","4","1") = "5"
    & skf21("4","5","2","3","6","5","5","1") = "5"
    & skf21("4","5","2","3","6","5","6","1") = "5"
    & skf21("4","5","2","3","6","5","7","1") = "6"
    & skf21("4","5","2","3","6","6","1","1") = "5"
    & skf21("4","5","2","3","6","6","2","1") = "5"
    & skf21("4","5","2","3","6","6","3","1") = "5"
    & skf21("4","5","2","3","6","6","4","1") = "5"
    & skf21("4","5","2","3","6","6","5","1") = "5"
    & skf21("4","5","2","3","6","6","6","1") = "5"
    & skf21("4","5","2","3","6","6","7","1") = "6"
    & skf21("4","5","2","3","6","7","1","1") = "6"
    & skf21("4","5","2","3","6","7","2","1") = "6"
    & skf21("4","5","2","3","6","7","3","1") = "6"
    & skf21("4","5","2","3","6","7","4","1") = "6"
    & skf21("4","5","2","3","6","7","5","1") = "6"
    & skf21("4","5","2","3","6","7","6","1") = "6"
    & skf21("4","5","2","3","6","7","7","1") = "6"
    & skf21("4","5","2","3","7","1","1","1") = "6"
    & skf21("4","5","2","3","7","1","2","1") = "6"
    & skf21("4","5","2","3","7","1","3","1") = "6"
    & skf21("4","5","2","3","7","1","4","1") = "6"
    & skf21("4","5","2","3","7","1","5","1") = "6"
    & skf21("4","5","2","3","7","1","6","1") = "6"
    & skf21("4","5","2","3","7","1","7","1") = "6"
    & skf21("4","5","2","3","7","2","1","1") = "6"
    & skf21("4","5","2","3","7","2","2","1") = "6"
    & skf21("4","5","2","3","7","2","3","1") = "6"
    & skf21("4","5","2","3","7","2","4","1") = "6"
    & skf21("4","5","2","3","7","2","5","1") = "6"
    & skf21("4","5","2","3","7","2","6","1") = "6"
    & skf21("4","5","2","3","7","2","7","1") = "6"
    & skf21("4","5","2","3","7","3","1","1") = "6"
    & skf21("4","5","2","3","7","3","2","1") = "6"
    & skf21("4","5","2","3","7","3","3","1") = "6"
    & skf21("4","5","2","3","7","3","4","1") = "6"
    & skf21("4","5","2","3","7","3","5","1") = "6"
    & skf21("4","5","2","3","7","3","6","1") = "6"
    & skf21("4","5","2","3","7","3","7","1") = "6"
    & skf21("4","5","2","3","7","4","1","1") = "6"
    & skf21("4","5","2","3","7","4","2","1") = "6"
    & skf21("4","5","2","3","7","4","3","1") = "6"
    & skf21("4","5","2","3","7","4","4","1") = "6"
    & skf21("4","5","2","3","7","4","5","1") = "6"
    & skf21("4","5","2","3","7","4","6","1") = "6"
    & skf21("4","5","2","3","7","4","7","1") = "6"
    & skf21("4","5","2","3","7","5","1","1") = "6"
    & skf21("4","5","2","3","7","5","2","1") = "6"
    & skf21("4","5","2","3","7","5","3","1") = "6"
    & skf21("4","5","2","3","7","5","4","1") = "6"
    & skf21("4","5","2","3","7","5","5","1") = "6"
    & skf21("4","5","2","3","7","5","6","1") = "6"
    & skf21("4","5","2","3","7","5","7","1") = "6"
    & skf21("4","5","2","3","7","6","1","1") = "6"
    & skf21("4","5","2","3","7","6","2","1") = "6"
    & skf21("4","5","2","3","7","6","3","1") = "6"
    & skf21("4","5","2","3","7","6","4","1") = "6"
    & skf21("4","5","2","3","7","6","5","1") = "6"
    & skf21("4","5","2","3","7","6","6","1") = "6"
    & skf21("4","5","2","3","7","6","7","1") = "6"
    & skf21("4","5","2","3","7","7","1","1") = "6"
    & skf21("4","5","2","3","7","7","2","1") = "6"
    & skf21("4","5","2","3","7","7","3","1") = "6"
    & skf21("4","5","2","3","7","7","4","1") = "6"
    & skf21("4","5","2","3","7","7","5","1") = "6"
    & skf21("4","5","2","3","7","7","6","1") = "6"
    & skf21("4","5","2","3","7","7","7","1") = "6"
    & skf21("4","5","2","4","1","1","1","1") = "4"
    & skf21("4","5","2","4","1","1","2","1") = "4"
    & skf21("4","5","2","4","1","1","3","1") = "4"
    & skf21("4","5","2","4","1","1","4","1") = "4"
    & skf21("4","5","2","4","1","1","5","1") = "4"
    & skf21("4","5","2","4","1","1","6","1") = "5"
    & skf21("4","5","2","4","1","1","7","1") = "6"
    & skf21("4","5","2","4","1","2","1","1") = "4"
    & skf21("4","5","2","4","1","2","2","1") = "4"
    & skf21("4","5","2","4","1","2","3","1") = "4"
    & skf21("4","5","2","4","1","2","4","1") = "4"
    & skf21("4","5","2","4","1","2","5","1") = "4"
    & skf21("4","5","2","4","1","2","6","1") = "5"
    & skf21("4","5","2","4","1","2","7","1") = "6"
    & skf21("4","5","2","4","1","3","1","1") = "4"
    & skf21("4","5","2","4","1","3","2","1") = "4"
    & skf21("4","5","2","4","1","3","3","1") = "4"
    & skf21("4","5","2","4","1","3","4","1") = "4"
    & skf21("4","5","2","4","1","3","5","1") = "4"
    & skf21("4","5","2","4","1","3","6","1") = "5"
    & skf21("4","5","2","4","1","3","7","1") = "6"
    & skf21("4","5","2","4","1","4","1","1") = "4"
    & skf21("4","5","2","4","1","4","2","1") = "4"
    & skf21("4","5","2","4","1","4","3","1") = "4"
    & skf21("4","5","2","4","1","4","4","1") = "4"
    & skf21("4","5","2","4","1","4","5","1") = "4"
    & skf21("4","5","2","4","1","4","6","1") = "5"
    & skf21("4","5","2","4","1","4","7","1") = "6"
    & skf21("4","5","2","4","1","5","1","1") = "4"
    & skf21("4","5","2","4","1","5","2","1") = "4"
    & skf21("4","5","2","4","1","5","3","1") = "4"
    & skf21("4","5","2","4","1","5","4","1") = "4"
    & skf21("4","5","2","4","1","5","5","1") = "4"
    & skf21("4","5","2","4","1","5","6","1") = "5"
    & skf21("4","5","2","4","1","5","7","1") = "6"
    & skf21("4","5","2","4","1","6","1","1") = "5"
    & skf21("4","5","2","4","1","6","2","1") = "5"
    & skf21("4","5","2","4","1","6","3","1") = "5"
    & skf21("4","5","2","4","1","6","4","1") = "5"
    & skf21("4","5","2","4","1","6","5","1") = "5"
    & skf21("4","5","2","4","1","6","6","1") = "5"
    & skf21("4","5","2","4","1","6","7","1") = "6"
    & skf21("4","5","2","4","1","7","1","1") = "6"
    & skf21("4","5","2","4","1","7","2","1") = "6"
    & skf21("4","5","2","4","1","7","3","1") = "6"
    & skf21("4","5","2","4","1","7","4","1") = "6"
    & skf21("4","5","2","4","1","7","5","1") = "6"
    & skf21("4","5","2","4","1","7","6","1") = "6"
    & skf21("4","5","2","4","1","7","7","1") = "6"
    & skf21("4","5","2","4","2","1","1","1") = "4"
    & skf21("4","5","2","4","2","1","2","1") = "4"
    & skf21("4","5","2","4","2","1","3","1") = "4"
    & skf21("4","5","2","4","2","1","4","1") = "4"
    & skf21("4","5","2","4","2","1","5","1") = "4"
    & skf21("4","5","2","4","2","1","6","1") = "5"
    & skf21("4","5","2","4","2","1","7","1") = "6"
    & skf21("4","5","2","4","2","2","1","1") = "4"
    & skf21("4","5","2","4","2","2","2","1") = "4"
    & skf21("4","5","2","4","2","2","3","1") = "4"
    & skf21("4","5","2","4","2","2","4","1") = "4"
    & skf21("4","5","2","4","2","2","5","1") = "4"
    & skf21("4","5","2","4","2","2","6","1") = "5"
    & skf21("4","5","2","4","2","2","7","1") = "6"
    & skf21("4","5","2","4","2","3","1","1") = "4"
    & skf21("4","5","2","4","2","3","2","1") = "4"
    & skf21("4","5","2","4","2","3","3","1") = "4"
    & skf21("4","5","2","4","2","3","4","1") = "4"
    & skf21("4","5","2","4","2","3","5","1") = "4"
    & skf21("4","5","2","4","2","3","6","1") = "5"
    & skf21("4","5","2","4","2","3","7","1") = "6"
    & skf21("4","5","2","4","2","4","1","1") = "4"
    & skf21("4","5","2","4","2","4","2","1") = "4"
    & skf21("4","5","2","4","2","4","3","1") = "4"
    & skf21("4","5","2","4","2","4","4","1") = "4"
    & skf21("4","5","2","4","2","4","5","1") = "4"
    & skf21("4","5","2","4","2","4","6","1") = "5"
    & skf21("4","5","2","4","2","4","7","1") = "6"
    & skf21("4","5","2","4","2","5","1","1") = "4"
    & skf21("4","5","2","4","2","5","2","1") = "4"
    & skf21("4","5","2","4","2","5","3","1") = "4"
    & skf21("4","5","2","4","2","5","4","1") = "4"
    & skf21("4","5","2","4","2","5","5","1") = "4"
    & skf21("4","5","2","4","2","5","6","1") = "5"
    & skf21("4","5","2","4","2","5","7","1") = "6"
    & skf21("4","5","2","4","2","6","1","1") = "5"
    & skf21("4","5","2","4","2","6","2","1") = "5"
    & skf21("4","5","2","4","2","6","3","1") = "5"
    & skf21("4","5","2","4","2","6","4","1") = "5"
    & skf21("4","5","2","4","2","6","5","1") = "5"
    & skf21("4","5","2","4","2","6","6","1") = "5"
    & skf21("4","5","2","4","2","6","7","1") = "6"
    & skf21("4","5","2","4","2","7","1","1") = "6"
    & skf21("4","5","2","4","2","7","2","1") = "6"
    & skf21("4","5","2","4","2","7","3","1") = "6"
    & skf21("4","5","2","4","2","7","4","1") = "6"
    & skf21("4","5","2","4","2","7","5","1") = "6"
    & skf21("4","5","2","4","2","7","6","1") = "6"
    & skf21("4","5","2","4","2","7","7","1") = "6"
    & skf21("4","5","2","4","3","1","1","1") = "4"
    & skf21("4","5","2","4","3","1","2","1") = "4"
    & skf21("4","5","2","4","3","1","3","1") = "4"
    & skf21("4","5","2","4","3","1","4","1") = "4"
    & skf21("4","5","2","4","3","1","5","1") = "4"
    & skf21("4","5","2","4","3","1","6","1") = "5"
    & skf21("4","5","2","4","3","1","7","1") = "6"
    & skf21("4","5","2","4","3","2","1","1") = "4"
    & skf21("4","5","2","4","3","2","2","1") = "4"
    & skf21("4","5","2","4","3","2","3","1") = "4"
    & skf21("4","5","2","4","3","2","4","1") = "4"
    & skf21("4","5","2","4","3","2","5","1") = "4"
    & skf21("4","5","2","4","3","2","6","1") = "5"
    & skf21("4","5","2","4","3","2","7","1") = "6"
    & skf21("4","5","2","4","3","3","1","1") = "4"
    & skf21("4","5","2","4","3","3","2","1") = "4"
    & skf21("4","5","2","4","3","3","3","1") = "4"
    & skf21("4","5","2","4","3","3","4","1") = "4"
    & skf21("4","5","2","4","3","3","5","1") = "4"
    & skf21("4","5","2","4","3","3","6","1") = "5"
    & skf21("4","5","2","4","3","3","7","1") = "6"
    & skf21("4","5","2","4","3","4","1","1") = "4"
    & skf21("4","5","2","4","3","4","2","1") = "4"
    & skf21("4","5","2","4","3","4","3","1") = "4"
    & skf21("4","5","2","4","3","4","4","1") = "4"
    & skf21("4","5","2","4","3","4","5","1") = "4"
    & skf21("4","5","2","4","3","4","6","1") = "5"
    & skf21("4","5","2","4","3","4","7","1") = "6"
    & skf21("4","5","2","4","3","5","1","1") = "4"
    & skf21("4","5","2","4","3","5","2","1") = "4"
    & skf21("4","5","2","4","3","5","3","1") = "4"
    & skf21("4","5","2","4","3","5","4","1") = "4"
    & skf21("4","5","2","4","3","5","5","1") = "4"
    & skf21("4","5","2","4","3","5","6","1") = "5"
    & skf21("4","5","2","4","3","5","7","1") = "6"
    & skf21("4","5","2","4","3","6","1","1") = "5"
    & skf21("4","5","2","4","3","6","2","1") = "5"
    & skf21("4","5","2","4","3","6","3","1") = "5"
    & skf21("4","5","2","4","3","6","4","1") = "5"
    & skf21("4","5","2","4","3","6","5","1") = "5"
    & skf21("4","5","2","4","3","6","6","1") = "5"
    & skf21("4","5","2","4","3","6","7","1") = "6"
    & skf21("4","5","2","4","3","7","1","1") = "6"
    & skf21("4","5","2","4","3","7","2","1") = "6"
    & skf21("4","5","2","4","3","7","3","1") = "6"
    & skf21("4","5","2","4","3","7","4","1") = "6"
    & skf21("4","5","2","4","3","7","5","1") = "6"
    & skf21("4","5","2","4","3","7","6","1") = "6"
    & skf21("4","5","2","4","3","7","7","1") = "6"
    & skf21("4","5","2","4","4","1","1","1") = "4"
    & skf21("4","5","2","4","4","1","2","1") = "4"
    & skf21("4","5","2","4","4","1","3","1") = "4"
    & skf21("4","5","2","4","4","1","4","1") = "4"
    & skf21("4","5","2","4","4","1","5","1") = "4"
    & skf21("4","5","2","4","4","1","6","1") = "5"
    & skf21("4","5","2","4","4","1","7","1") = "6"
    & skf21("4","5","2","4","4","2","1","1") = "4"
    & skf21("4","5","2","4","4","2","2","1") = "4"
    & skf21("4","5","2","4","4","2","3","1") = "4"
    & skf21("4","5","2","4","4","2","4","1") = "4"
    & skf21("4","5","2","4","4","2","5","1") = "4"
    & skf21("4","5","2","4","4","2","6","1") = "5"
    & skf21("4","5","2","4","4","2","7","1") = "6"
    & skf21("4","5","2","4","4","3","1","1") = "4"
    & skf21("4","5","2","4","4","3","2","1") = "4"
    & skf21("4","5","2","4","4","3","3","1") = "4"
    & skf21("4","5","2","4","4","3","4","1") = "4"
    & skf21("4","5","2","4","4","3","5","1") = "4"
    & skf21("4","5","2","4","4","3","6","1") = "5"
    & skf21("4","5","2","4","4","3","7","1") = "6"
    & skf21("4","5","2","4","4","4","1","1") = "4"
    & skf21("4","5","2","4","4","4","2","1") = "4"
    & skf21("4","5","2","4","4","4","3","1") = "4"
    & skf21("4","5","2","4","4","4","4","1") = "4"
    & skf21("4","5","2","4","4","4","5","1") = "4"
    & skf21("4","5","2","4","4","4","6","1") = "5"
    & skf21("4","5","2","4","4","4","7","1") = "6"
    & skf21("4","5","2","4","4","5","1","1") = "4"
    & skf21("4","5","2","4","4","5","2","1") = "4"
    & skf21("4","5","2","4","4","5","3","1") = "4"
    & skf21("4","5","2","4","4","5","4","1") = "4"
    & skf21("4","5","2","4","4","5","5","1") = "4"
    & skf21("4","5","2","4","4","5","6","1") = "5"
    & skf21("4","5","2","4","4","5","7","1") = "6"
    & skf21("4","5","2","4","4","6","1","1") = "5"
    & skf21("4","5","2","4","4","6","2","1") = "5"
    & skf21("4","5","2","4","4","6","3","1") = "5"
    & skf21("4","5","2","4","4","6","4","1") = "5"
    & skf21("4","5","2","4","4","6","5","1") = "5"
    & skf21("4","5","2","4","4","6","6","1") = "5"
    & skf21("4","5","2","4","4","6","7","1") = "6"
    & skf21("4","5","2","4","4","7","1","1") = "6"
    & skf21("4","5","2","4","4","7","2","1") = "6"
    & skf21("4","5","2","4","4","7","3","1") = "6"
    & skf21("4","5","2","4","4","7","4","1") = "6"
    & skf21("4","5","2","4","4","7","5","1") = "6"
    & skf21("4","5","2","4","4","7","6","1") = "6"
    & skf21("4","5","2","4","4","7","7","1") = "6"
    & skf21("4","5","2","4","5","1","1","1") = "4"
    & skf21("4","5","2","4","5","1","2","1") = "4"
    & skf21("4","5","2","4","5","1","3","1") = "4"
    & skf21("4","5","2","4","5","1","4","1") = "4"
    & skf21("4","5","2","4","5","1","5","1") = "4"
    & skf21("4","5","2","4","5","1","6","1") = "5"
    & skf21("4","5","2","4","5","1","7","1") = "6"
    & skf21("4","5","2","4","5","2","1","1") = "4"
    & skf21("4","5","2","4","5","2","2","1") = "4"
    & skf21("4","5","2","4","5","2","3","1") = "4"
    & skf21("4","5","2","4","5","2","4","1") = "4"
    & skf21("4","5","2","4","5","2","5","1") = "4"
    & skf21("4","5","2","4","5","2","6","1") = "5"
    & skf21("4","5","2","4","5","2","7","1") = "6"
    & skf21("4","5","2","4","5","3","1","1") = "4"
    & skf21("4","5","2","4","5","3","2","1") = "4"
    & skf21("4","5","2","4","5","3","3","1") = "4"
    & skf21("4","5","2","4","5","3","4","1") = "4"
    & skf21("4","5","2","4","5","3","5","1") = "4"
    & skf21("4","5","2","4","5","3","6","1") = "5"
    & skf21("4","5","2","4","5","3","7","1") = "6"
    & skf21("4","5","2","4","5","4","1","1") = "4"
    & skf21("4","5","2","4","5","4","2","1") = "4"
    & skf21("4","5","2","4","5","4","3","1") = "4"
    & skf21("4","5","2","4","5","4","4","1") = "4"
    & skf21("4","5","2","4","5","4","5","1") = "4"
    & skf21("4","5","2","4","5","4","6","1") = "5"
    & skf21("4","5","2","4","5","4","7","1") = "6"
    & skf21("4","5","2","4","5","5","1","1") = "4"
    & skf21("4","5","2","4","5","5","2","1") = "4"
    & skf21("4","5","2","4","5","5","3","1") = "4"
    & skf21("4","5","2","4","5","5","4","1") = "4"
    & skf21("4","5","2","4","5","5","5","1") = "4"
    & skf21("4","5","2","4","5","5","6","1") = "5"
    & skf21("4","5","2","4","5","5","7","1") = "6"
    & skf21("4","5","2","4","5","6","1","1") = "5"
    & skf21("4","5","2","4","5","6","2","1") = "5"
    & skf21("4","5","2","4","5","6","3","1") = "5"
    & skf21("4","5","2","4","5","6","4","1") = "5"
    & skf21("4","5","2","4","5","6","5","1") = "5"
    & skf21("4","5","2","4","5","6","6","1") = "5"
    & skf21("4","5","2","4","5","6","7","1") = "6"
    & skf21("4","5","2","4","5","7","1","1") = "6"
    & skf21("4","5","2","4","5","7","2","1") = "6"
    & skf21("4","5","2","4","5","7","3","1") = "6"
    & skf21("4","5","2","4","5","7","4","1") = "6"
    & skf21("4","5","2","4","5","7","5","1") = "6"
    & skf21("4","5","2","4","5","7","6","1") = "6"
    & skf21("4","5","2","4","5","7","7","1") = "6"
    & skf21("4","5","2","4","6","1","1","1") = "5"
    & skf21("4","5","2","4","6","1","2","1") = "5"
    & skf21("4","5","2","4","6","1","3","1") = "5"
    & skf21("4","5","2","4","6","1","4","1") = "5"
    & skf21("4","5","2","4","6","1","5","1") = "5"
    & skf21("4","5","2","4","6","1","6","1") = "5"
    & skf21("4","5","2","4","6","1","7","1") = "6"
    & skf21("4","5","2","4","6","2","1","1") = "5"
    & skf21("4","5","2","4","6","2","2","1") = "5"
    & skf21("4","5","2","4","6","2","3","1") = "5"
    & skf21("4","5","2","4","6","2","4","1") = "5"
    & skf21("4","5","2","4","6","2","5","1") = "5"
    & skf21("4","5","2","4","6","2","6","1") = "5"
    & skf21("4","5","2","4","6","2","7","1") = "6"
    & skf21("4","5","2","4","6","3","1","1") = "5"
    & skf21("4","5","2","4","6","3","2","1") = "5"
    & skf21("4","5","2","4","6","3","3","1") = "5"
    & skf21("4","5","2","4","6","3","4","1") = "5"
    & skf21("4","5","2","4","6","3","5","1") = "5"
    & skf21("4","5","2","4","6","3","6","1") = "5"
    & skf21("4","5","2","4","6","3","7","1") = "6"
    & skf21("4","5","2","4","6","4","1","1") = "5"
    & skf21("4","5","2","4","6","4","2","1") = "5"
    & skf21("4","5","2","4","6","4","3","1") = "5"
    & skf21("4","5","2","4","6","4","4","1") = "5"
    & skf21("4","5","2","4","6","4","5","1") = "5"
    & skf21("4","5","2","4","6","4","6","1") = "5"
    & skf21("4","5","2","4","6","4","7","1") = "6"
    & skf21("4","5","2","4","6","5","1","1") = "5"
    & skf21("4","5","2","4","6","5","2","1") = "5"
    & skf21("4","5","2","4","6","5","3","1") = "5"
    & skf21("4","5","2","4","6","5","4","1") = "5"
    & skf21("4","5","2","4","6","5","5","1") = "5"
    & skf21("4","5","2","4","6","5","6","1") = "5"
    & skf21("4","5","2","4","6","5","7","1") = "6"
    & skf21("4","5","2","4","6","6","1","1") = "5"
    & skf21("4","5","2","4","6","6","2","1") = "5"
    & skf21("4","5","2","4","6","6","3","1") = "5"
    & skf21("4","5","2","4","6","6","4","1") = "5"
    & skf21("4","5","2","4","6","6","5","1") = "5"
    & skf21("4","5","2","4","6","6","6","1") = "5"
    & skf21("4","5","2","4","6","6","7","1") = "6"
    & skf21("4","5","2","4","6","7","1","1") = "6"
    & skf21("4","5","2","4","6","7","2","1") = "6"
    & skf21("4","5","2","4","6","7","3","1") = "6"
    & skf21("4","5","2","4","6","7","4","1") = "6"
    & skf21("4","5","2","4","6","7","5","1") = "6"
    & skf21("4","5","2","4","6","7","6","1") = "6"
    & skf21("4","5","2","4","6","7","7","1") = "6"
    & skf21("4","5","2","4","7","1","1","1") = "6"
    & skf21("4","5","2","4","7","1","2","1") = "6"
    & skf21("4","5","2","4","7","1","3","1") = "6"
    & skf21("4","5","2","4","7","1","4","1") = "6"
    & skf21("4","5","2","4","7","1","5","1") = "6"
    & skf21("4","5","2","4","7","1","6","1") = "6"
    & skf21("4","5","2","4","7","1","7","1") = "6"
    & skf21("4","5","2","4","7","2","1","1") = "6"
    & skf21("4","5","2","4","7","2","2","1") = "6"
    & skf21("4","5","2","4","7","2","3","1") = "6"
    & skf21("4","5","2","4","7","2","4","1") = "6"
    & skf21("4","5","2","4","7","2","5","1") = "6"
    & skf21("4","5","2","4","7","2","6","1") = "6"
    & skf21("4","5","2","4","7","2","7","1") = "6"
    & skf21("4","5","2","4","7","3","1","1") = "6"
    & skf21("4","5","2","4","7","3","2","1") = "6"
    & skf21("4","5","2","4","7","3","3","1") = "6"
    & skf21("4","5","2","4","7","3","4","1") = "6"
    & skf21("4","5","2","4","7","3","5","1") = "6"
    & skf21("4","5","2","4","7","3","6","1") = "6"
    & skf21("4","5","2","4","7","3","7","1") = "6"
    & skf21("4","5","2","4","7","4","1","1") = "6"
    & skf21("4","5","2","4","7","4","2","1") = "6"
    & skf21("4","5","2","4","7","4","3","1") = "6"
    & skf21("4","5","2","4","7","4","4","1") = "6"
    & skf21("4","5","2","4","7","4","5","1") = "6"
    & skf21("4","5","2","4","7","4","6","1") = "6"
    & skf21("4","5","2","4","7","4","7","1") = "6"
    & skf21("4","5","2","4","7","5","1","1") = "6"
    & skf21("4","5","2","4","7","5","2","1") = "6"
    & skf21("4","5","2","4","7","5","3","1") = "6"
    & skf21("4","5","2","4","7","5","4","1") = "6"
    & skf21("4","5","2","4","7","5","5","1") = "6"
    & skf21("4","5","2","4","7","5","6","1") = "6"
    & skf21("4","5","2","4","7","5","7","1") = "6"
    & skf21("4","5","2","4","7","6","1","1") = "6"
    & skf21("4","5","2","4","7","6","2","1") = "6"
    & skf21("4","5","2","4","7","6","3","1") = "6"
    & skf21("4","5","2","4","7","6","4","1") = "6"
    & skf21("4","5","2","4","7","6","5","1") = "6"
    & skf21("4","5","2","4","7","6","6","1") = "6"
    & skf21("4","5","2","4","7","6","7","1") = "6"
    & skf21("4","5","2","4","7","7","1","1") = "6"
    & skf21("4","5","2","4","7","7","2","1") = "6"
    & skf21("4","5","2","4","7","7","3","1") = "6"
    & skf21("4","5","2","4","7","7","4","1") = "6"
    & skf21("4","5","2","4","7","7","5","1") = "6"
    & skf21("4","5","2","4","7","7","6","1") = "6"
    & skf21("4","5","2","4","7","7","7","1") = "6"
    & skf21("4","5","2","5","1","1","1","1") = "4"
    & skf21("4","5","2","5","1","1","2","1") = "4"
    & skf21("4","5","2","5","1","1","3","1") = "4"
    & skf21("4","5","2","5","1","1","4","1") = "4"
    & skf21("4","5","2","5","1","1","5","1") = "4"
    & skf21("4","5","2","5","1","1","6","1") = "5"
    & skf21("4","5","2","5","1","1","7","1") = "6"
    & skf21("4","5","2","5","1","2","1","1") = "4"
    & skf21("4","5","2","5","1","2","2","1") = "4"
    & skf21("4","5","2","5","1","2","3","1") = "4"
    & skf21("4","5","2","5","1","2","4","1") = "4"
    & skf21("4","5","2","5","1","2","5","1") = "4"
    & skf21("4","5","2","5","1","2","6","1") = "5"
    & skf21("4","5","2","5","1","2","7","1") = "6"
    & skf21("4","5","2","5","1","3","1","1") = "4"
    & skf21("4","5","2","5","1","3","2","1") = "4"
    & skf21("4","5","2","5","1","3","3","1") = "4"
    & skf21("4","5","2","5","1","3","4","1") = "4"
    & skf21("4","5","2","5","1","3","5","1") = "4"
    & skf21("4","5","2","5","1","3","6","1") = "5"
    & skf21("4","5","2","5","1","3","7","1") = "6"
    & skf21("4","5","2","5","1","4","1","1") = "4"
    & skf21("4","5","2","5","1","4","2","1") = "4"
    & skf21("4","5","2","5","1","4","3","1") = "4"
    & skf21("4","5","2","5","1","4","4","1") = "4"
    & skf21("4","5","2","5","1","4","5","1") = "4"
    & skf21("4","5","2","5","1","4","6","1") = "5"
    & skf21("4","5","2","5","1","4","7","1") = "6"
    & skf21("4","5","2","5","1","5","1","1") = "4"
    & skf21("4","5","2","5","1","5","2","1") = "4"
    & skf21("4","5","2","5","1","5","3","1") = "4"
    & skf21("4","5","2","5","1","5","4","1") = "4"
    & skf21("4","5","2","5","1","5","5","1") = "4"
    & skf21("4","5","2","5","1","5","6","1") = "5"
    & skf21("4","5","2","5","1","5","7","1") = "6"
    & skf21("4","5","2","5","1","6","1","1") = "5"
    & skf21("4","5","2","5","1","6","2","1") = "5"
    & skf21("4","5","2","5","1","6","3","1") = "5"
    & skf21("4","5","2","5","1","6","4","1") = "5"
    & skf21("4","5","2","5","1","6","5","1") = "5"
    & skf21("4","5","2","5","1","6","6","1") = "5"
    & skf21("4","5","2","5","1","6","7","1") = "6"
    & skf21("4","5","2","5","1","7","1","1") = "6"
    & skf21("4","5","2","5","1","7","2","1") = "6"
    & skf21("4","5","2","5","1","7","3","1") = "6"
    & skf21("4","5","2","5","1","7","4","1") = "6"
    & skf21("4","5","2","5","1","7","5","1") = "6"
    & skf21("4","5","2","5","1","7","6","1") = "6"
    & skf21("4","5","2","5","1","7","7","1") = "6"
    & skf21("4","5","2","5","2","1","1","1") = "4"
    & skf21("4","5","2","5","2","1","2","1") = "4"
    & skf21("4","5","2","5","2","1","3","1") = "4"
    & skf21("4","5","2","5","2","1","4","1") = "4"
    & skf21("4","5","2","5","2","1","5","1") = "4"
    & skf21("4","5","2","5","2","1","6","1") = "5"
    & skf21("4","5","2","5","2","1","7","1") = "6"
    & skf21("4","5","2","5","2","2","1","1") = "4"
    & skf21("4","5","2","5","2","2","2","1") = "4"
    & skf21("4","5","2","5","2","2","3","1") = "4"
    & skf21("4","5","2","5","2","2","4","1") = "4"
    & skf21("4","5","2","5","2","2","5","1") = "4"
    & skf21("4","5","2","5","2","2","6","1") = "5"
    & skf21("4","5","2","5","2","2","7","1") = "6"
    & skf21("4","5","2","5","2","3","1","1") = "4"
    & skf21("4","5","2","5","2","3","2","1") = "4"
    & skf21("4","5","2","5","2","3","3","1") = "4"
    & skf21("4","5","2","5","2","3","4","1") = "4"
    & skf21("4","5","2","5","2","3","5","1") = "4"
    & skf21("4","5","2","5","2","3","6","1") = "5"
    & skf21("4","5","2","5","2","3","7","1") = "6"
    & skf21("4","5","2","5","2","4","1","1") = "4"
    & skf21("4","5","2","5","2","4","2","1") = "4"
    & skf21("4","5","2","5","2","4","3","1") = "4"
    & skf21("4","5","2","5","2","4","4","1") = "4"
    & skf21("4","5","2","5","2","4","5","1") = "4"
    & skf21("4","5","2","5","2","4","6","1") = "5"
    & skf21("4","5","2","5","2","4","7","1") = "6"
    & skf21("4","5","2","5","2","5","1","1") = "4"
    & skf21("4","5","2","5","2","5","2","1") = "4"
    & skf21("4","5","2","5","2","5","3","1") = "4"
    & skf21("4","5","2","5","2","5","4","1") = "4"
    & skf21("4","5","2","5","2","5","5","1") = "4"
    & skf21("4","5","2","5","2","5","6","1") = "5"
    & skf21("4","5","2","5","2","5","7","1") = "6"
    & skf21("4","5","2","5","2","6","1","1") = "5"
    & skf21("4","5","2","5","2","6","2","1") = "5"
    & skf21("4","5","2","5","2","6","3","1") = "5"
    & skf21("4","5","2","5","2","6","4","1") = "5"
    & skf21("4","5","2","5","2","6","5","1") = "5"
    & skf21("4","5","2","5","2","6","6","1") = "5"
    & skf21("4","5","2","5","2","6","7","1") = "6"
    & skf21("4","5","2","5","2","7","1","1") = "6"
    & skf21("4","5","2","5","2","7","2","1") = "6"
    & skf21("4","5","2","5","2","7","3","1") = "6"
    & skf21("4","5","2","5","2","7","4","1") = "6"
    & skf21("4","5","2","5","2","7","5","1") = "6"
    & skf21("4","5","2","5","2","7","6","1") = "6"
    & skf21("4","5","2","5","2","7","7","1") = "6"
    & skf21("4","5","2","5","3","1","1","1") = "4"
    & skf21("4","5","2","5","3","1","2","1") = "4"
    & skf21("4","5","2","5","3","1","3","1") = "4"
    & skf21("4","5","2","5","3","1","4","1") = "4"
    & skf21("4","5","2","5","3","1","5","1") = "4"
    & skf21("4","5","2","5","3","1","6","1") = "5"
    & skf21("4","5","2","5","3","1","7","1") = "6"
    & skf21("4","5","2","5","3","2","1","1") = "4"
    & skf21("4","5","2","5","3","2","2","1") = "4"
    & skf21("4","5","2","5","3","2","3","1") = "4"
    & skf21("4","5","2","5","3","2","4","1") = "4"
    & skf21("4","5","2","5","3","2","5","1") = "4"
    & skf21("4","5","2","5","3","2","6","1") = "5"
    & skf21("4","5","2","5","3","2","7","1") = "6"
    & skf21("4","5","2","5","3","3","1","1") = "4"
    & skf21("4","5","2","5","3","3","2","1") = "4"
    & skf21("4","5","2","5","3","3","3","1") = "4"
    & skf21("4","5","2","5","3","3","4","1") = "4"
    & skf21("4","5","2","5","3","3","5","1") = "4"
    & skf21("4","5","2","5","3","3","6","1") = "5"
    & skf21("4","5","2","5","3","3","7","1") = "6"
    & skf21("4","5","2","5","3","4","1","1") = "4"
    & skf21("4","5","2","5","3","4","2","1") = "4"
    & skf21("4","5","2","5","3","4","3","1") = "4"
    & skf21("4","5","2","5","3","4","4","1") = "4"
    & skf21("4","5","2","5","3","4","5","1") = "4"
    & skf21("4","5","2","5","3","4","6","1") = "5"
    & skf21("4","5","2","5","3","4","7","1") = "6"
    & skf21("4","5","2","5","3","5","1","1") = "4"
    & skf21("4","5","2","5","3","5","2","1") = "4"
    & skf21("4","5","2","5","3","5","3","1") = "4"
    & skf21("4","5","2","5","3","5","4","1") = "4"
    & skf21("4","5","2","5","3","5","5","1") = "4"
    & skf21("4","5","2","5","3","5","6","1") = "5"
    & skf21("4","5","2","5","3","5","7","1") = "6"
    & skf21("4","5","2","5","3","6","1","1") = "5"
    & skf21("4","5","2","5","3","6","2","1") = "5"
    & skf21("4","5","2","5","3","6","3","1") = "5"
    & skf21("4","5","2","5","3","6","4","1") = "5"
    & skf21("4","5","2","5","3","6","5","1") = "5"
    & skf21("4","5","2","5","3","6","6","1") = "5"
    & skf21("4","5","2","5","3","6","7","1") = "6"
    & skf21("4","5","2","5","3","7","1","1") = "6"
    & skf21("4","5","2","5","3","7","2","1") = "6"
    & skf21("4","5","2","5","3","7","3","1") = "6"
    & skf21("4","5","2","5","3","7","4","1") = "6"
    & skf21("4","5","2","5","3","7","5","1") = "6"
    & skf21("4","5","2","5","3","7","6","1") = "6"
    & skf21("4","5","2","5","3","7","7","1") = "6"
    & skf21("4","5","2","5","4","1","1","1") = "4"
    & skf21("4","5","2","5","4","1","2","1") = "4"
    & skf21("4","5","2","5","4","1","3","1") = "4"
    & skf21("4","5","2","5","4","1","4","1") = "4"
    & skf21("4","5","2","5","4","1","5","1") = "4"
    & skf21("4","5","2","5","4","1","6","1") = "5"
    & skf21("4","5","2","5","4","1","7","1") = "6"
    & skf21("4","5","2","5","4","2","1","1") = "4"
    & skf21("4","5","2","5","4","2","2","1") = "4"
    & skf21("4","5","2","5","4","2","3","1") = "4"
    & skf21("4","5","2","5","4","2","4","1") = "4"
    & skf21("4","5","2","5","4","2","5","1") = "4"
    & skf21("4","5","2","5","4","2","6","1") = "5"
    & skf21("4","5","2","5","4","2","7","1") = "6"
    & skf21("4","5","2","5","4","3","1","1") = "4"
    & skf21("4","5","2","5","4","3","2","1") = "4"
    & skf21("4","5","2","5","4","3","3","1") = "4"
    & skf21("4","5","2","5","4","3","4","1") = "4"
    & skf21("4","5","2","5","4","3","5","1") = "4"
    & skf21("4","5","2","5","4","3","6","1") = "5"
    & skf21("4","5","2","5","4","3","7","1") = "6"
    & skf21("4","5","2","5","4","4","1","1") = "4"
    & skf21("4","5","2","5","4","4","2","1") = "4"
    & skf21("4","5","2","5","4","4","3","1") = "4"
    & skf21("4","5","2","5","4","4","4","1") = "4"
    & skf21("4","5","2","5","4","4","5","1") = "4"
    & skf21("4","5","2","5","4","4","6","1") = "5"
    & skf21("4","5","2","5","4","4","7","1") = "6"
    & skf21("4","5","2","5","4","5","1","1") = "4"
    & skf21("4","5","2","5","4","5","2","1") = "4"
    & skf21("4","5","2","5","4","5","3","1") = "4"
    & skf21("4","5","2","5","4","5","4","1") = "4"
    & skf21("4","5","2","5","4","5","5","1") = "4"
    & skf21("4","5","2","5","4","5","6","1") = "5"
    & skf21("4","5","2","5","4","5","7","1") = "6"
    & skf21("4","5","2","5","4","6","1","1") = "5"
    & skf21("4","5","2","5","4","6","2","1") = "5"
    & skf21("4","5","2","5","4","6","3","1") = "5"
    & skf21("4","5","2","5","4","6","4","1") = "5"
    & skf21("4","5","2","5","4","6","5","1") = "5"
    & skf21("4","5","2","5","4","6","6","1") = "5"
    & skf21("4","5","2","5","4","6","7","1") = "6"
    & skf21("4","5","2","5","4","7","1","1") = "6"
    & skf21("4","5","2","5","4","7","2","1") = "6"
    & skf21("4","5","2","5","4","7","3","1") = "6"
    & skf21("4","5","2","5","4","7","4","1") = "6"
    & skf21("4","5","2","5","4","7","5","1") = "6"
    & skf21("4","5","2","5","4","7","6","1") = "6"
    & skf21("4","5","2","5","4","7","7","1") = "6"
    & skf21("4","5","2","5","5","1","1","1") = "4"
    & skf21("4","5","2","5","5","1","2","1") = "4"
    & skf21("4","5","2","5","5","1","3","1") = "4"
    & skf21("4","5","2","5","5","1","4","1") = "4"
    & skf21("4","5","2","5","5","1","5","1") = "4"
    & skf21("4","5","2","5","5","1","6","1") = "5"
    & skf21("4","5","2","5","5","1","7","1") = "6"
    & skf21("4","5","2","5","5","2","1","1") = "4"
    & skf21("4","5","2","5","5","2","2","1") = "4"
    & skf21("4","5","2","5","5","2","3","1") = "4"
    & skf21("4","5","2","5","5","2","4","1") = "4"
    & skf21("4","5","2","5","5","2","5","1") = "4"
    & skf21("4","5","2","5","5","2","6","1") = "5"
    & skf21("4","5","2","5","5","2","7","1") = "6"
    & skf21("4","5","2","5","5","3","1","1") = "4"
    & skf21("4","5","2","5","5","3","2","1") = "4"
    & skf21("4","5","2","5","5","3","3","1") = "4"
    & skf21("4","5","2","5","5","3","4","1") = "4"
    & skf21("4","5","2","5","5","3","5","1") = "4"
    & skf21("4","5","2","5","5","3","6","1") = "5"
    & skf21("4","5","2","5","5","3","7","1") = "6"
    & skf21("4","5","2","5","5","4","1","1") = "4"
    & skf21("4","5","2","5","5","4","2","1") = "4"
    & skf21("4","5","2","5","5","4","3","1") = "4"
    & skf21("4","5","2","5","5","4","4","1") = "4"
    & skf21("4","5","2","5","5","4","5","1") = "4"
    & skf21("4","5","2","5","5","4","6","1") = "5"
    & skf21("4","5","2","5","5","4","7","1") = "6"
    & skf21("4","5","2","5","5","5","1","1") = "4"
    & skf21("4","5","2","5","5","5","2","1") = "4"
    & skf21("4","5","2","5","5","5","3","1") = "4"
    & skf21("4","5","2","5","5","5","4","1") = "4"
    & skf21("4","5","2","5","5","5","5","1") = "4"
    & skf21("4","5","2","5","5","5","6","1") = "5"
    & skf21("4","5","2","5","5","5","7","1") = "6"
    & skf21("4","5","2","5","5","6","1","1") = "5"
    & skf21("4","5","2","5","5","6","2","1") = "5"
    & skf21("4","5","2","5","5","6","3","1") = "5"
    & skf21("4","5","2","5","5","6","4","1") = "5"
    & skf21("4","5","2","5","5","6","5","1") = "5"
    & skf21("4","5","2","5","5","6","6","1") = "5"
    & skf21("4","5","2","5","5","6","7","1") = "6"
    & skf21("4","5","2","5","5","7","1","1") = "6"
    & skf21("4","5","2","5","5","7","2","1") = "6"
    & skf21("4","5","2","5","5","7","3","1") = "6"
    & skf21("4","5","2","5","5","7","4","1") = "6"
    & skf21("4","5","2","5","5","7","5","1") = "6"
    & skf21("4","5","2","5","5","7","6","1") = "6"
    & skf21("4","5","2","5","5","7","7","1") = "6"
    & skf21("4","5","2","5","6","1","1","1") = "5"
    & skf21("4","5","2","5","6","1","2","1") = "5"
    & skf21("4","5","2","5","6","1","3","1") = "5"
    & skf21("4","5","2","5","6","1","4","1") = "5"
    & skf21("4","5","2","5","6","1","5","1") = "5"
    & skf21("4","5","2","5","6","1","6","1") = "5"
    & skf21("4","5","2","5","6","1","7","1") = "6"
    & skf21("4","5","2","5","6","2","1","1") = "5"
    & skf21("4","5","2","5","6","2","2","1") = "5"
    & skf21("4","5","2","5","6","2","3","1") = "5"
    & skf21("4","5","2","5","6","2","4","1") = "5"
    & skf21("4","5","2","5","6","2","5","1") = "5"
    & skf21("4","5","2","5","6","2","6","1") = "5"
    & skf21("4","5","2","5","6","2","7","1") = "6"
    & skf21("4","5","2","5","6","3","1","1") = "5"
    & skf21("4","5","2","5","6","3","2","1") = "5"
    & skf21("4","5","2","5","6","3","3","1") = "5"
    & skf21("4","5","2","5","6","3","4","1") = "5"
    & skf21("4","5","2","5","6","3","5","1") = "5"
    & skf21("4","5","2","5","6","3","6","1") = "5"
    & skf21("4","5","2","5","6","3","7","1") = "6"
    & skf21("4","5","2","5","6","4","1","1") = "5"
    & skf21("4","5","2","5","6","4","2","1") = "5"
    & skf21("4","5","2","5","6","4","3","1") = "5"
    & skf21("4","5","2","5","6","4","4","1") = "5"
    & skf21("4","5","2","5","6","4","5","1") = "5"
    & skf21("4","5","2","5","6","4","6","1") = "5"
    & skf21("4","5","2","5","6","4","7","1") = "6"
    & skf21("4","5","2","5","6","5","1","1") = "5"
    & skf21("4","5","2","5","6","5","2","1") = "5"
    & skf21("4","5","2","5","6","5","3","1") = "5"
    & skf21("4","5","2","5","6","5","4","1") = "5"
    & skf21("4","5","2","5","6","5","5","1") = "5"
    & skf21("4","5","2","5","6","5","6","1") = "5"
    & skf21("4","5","2","5","6","5","7","1") = "6"
    & skf21("4","5","2","5","6","6","1","1") = "5"
    & skf21("4","5","2","5","6","6","2","1") = "5"
    & skf21("4","5","2","5","6","6","3","1") = "5"
    & skf21("4","5","2","5","6","6","4","1") = "5"
    & skf21("4","5","2","5","6","6","5","1") = "5"
    & skf21("4","5","2","5","6","6","6","1") = "5"
    & skf21("4","5","2","5","6","6","7","1") = "6"
    & skf21("4","5","2","5","6","7","1","1") = "6"
    & skf21("4","5","2","5","6","7","2","1") = "6"
    & skf21("4","5","2","5","6","7","3","1") = "6"
    & skf21("4","5","2","5","6","7","4","1") = "6"
    & skf21("4","5","2","5","6","7","5","1") = "6"
    & skf21("4","5","2","5","6","7","6","1") = "6"
    & skf21("4","5","2","5","6","7","7","1") = "6"
    & skf21("4","5","2","5","7","1","1","1") = "6"
    & skf21("4","5","2","5","7","1","2","1") = "6"
    & skf21("4","5","2","5","7","1","3","1") = "6"
    & skf21("4","5","2","5","7","1","4","1") = "6"
    & skf21("4","5","2","5","7","1","5","1") = "6"
    & skf21("4","5","2","5","7","1","6","1") = "6"
    & skf21("4","5","2","5","7","1","7","1") = "6"
    & skf21("4","5","2","5","7","2","1","1") = "6"
    & skf21("4","5","2","5","7","2","2","1") = "6"
    & skf21("4","5","2","5","7","2","3","1") = "6"
    & skf21("4","5","2","5","7","2","4","1") = "6"
    & skf21("4","5","2","5","7","2","5","1") = "6"
    & skf21("4","5","2","5","7","2","6","1") = "6"
    & skf21("4","5","2","5","7","2","7","1") = "6"
    & skf21("4","5","2","5","7","3","1","1") = "6"
    & skf21("4","5","2","5","7","3","2","1") = "6"
    & skf21("4","5","2","5","7","3","3","1") = "6"
    & skf21("4","5","2","5","7","3","4","1") = "6"
    & skf21("4","5","2","5","7","3","5","1") = "6"
    & skf21("4","5","2","5","7","3","6","1") = "6"
    & skf21("4","5","2","5","7","3","7","1") = "6"
    & skf21("4","5","2","5","7","4","1","1") = "6"
    & skf21("4","5","2","5","7","4","2","1") = "6"
    & skf21("4","5","2","5","7","4","3","1") = "6"
    & skf21("4","5","2","5","7","4","4","1") = "6"
    & skf21("4","5","2","5","7","4","5","1") = "6"
    & skf21("4","5","2","5","7","4","6","1") = "6"
    & skf21("4","5","2","5","7","4","7","1") = "6"
    & skf21("4","5","2","5","7","5","1","1") = "6"
    & skf21("4","5","2","5","7","5","2","1") = "6"
    & skf21("4","5","2","5","7","5","3","1") = "6"
    & skf21("4","5","2","5","7","5","4","1") = "6"
    & skf21("4","5","2","5","7","5","5","1") = "6"
    & skf21("4","5","2","5","7","5","6","1") = "6"
    & skf21("4","5","2","5","7","5","7","1") = "6"
    & skf21("4","5","2","5","7","6","1","1") = "6"
    & skf21("4","5","2","5","7","6","2","1") = "6"
    & skf21("4","5","2","5","7","6","3","1") = "6"
    & skf21("4","5","2","5","7","6","4","1") = "6"
    & skf21("4","5","2","5","7","6","5","1") = "6"
    & skf21("4","5","2","5","7","6","6","1") = "6"
    & skf21("4","5","2","5","7","6","7","1") = "6"
    & skf21("4","5","2","5","7","7","1","1") = "6"
    & skf21("4","5","2","5","7","7","2","1") = "6"
    & skf21("4","5","2","5","7","7","3","1") = "6"
    & skf21("4","5","2","5","7","7","4","1") = "6"
    & skf21("4","5","2","5","7","7","5","1") = "6"
    & skf21("4","5","2","5","7","7","6","1") = "6"
    & skf21("4","5","2","5","7","7","7","1") = "6"
    & skf21("4","5","2","6","1","1","1","1") = "5"
    & skf21("4","5","2","6","1","1","2","1") = "5"
    & skf21("4","5","2","6","1","1","3","1") = "5"
    & skf21("4","5","2","6","1","1","4","1") = "5"
    & skf21("4","5","2","6","1","1","5","1") = "5"
    & skf21("4","5","2","6","1","1","6","1") = "5"
    & skf21("4","5","2","6","1","1","7","1") = "6"
    & skf21("4","5","2","6","1","2","1","1") = "5"
    & skf21("4","5","2","6","1","2","2","1") = "5"
    & skf21("4","5","2","6","1","2","3","1") = "5"
    & skf21("4","5","2","6","1","2","4","1") = "5"
    & skf21("4","5","2","6","1","2","5","1") = "5"
    & skf21("4","5","2","6","1","2","6","1") = "5"
    & skf21("4","5","2","6","1","2","7","1") = "6"
    & skf21("4","5","2","6","1","3","1","1") = "5"
    & skf21("4","5","2","6","1","3","2","1") = "5"
    & skf21("4","5","2","6","1","3","3","1") = "5"
    & skf21("4","5","2","6","1","3","4","1") = "5"
    & skf21("4","5","2","6","1","3","5","1") = "5"
    & skf21("4","5","2","6","1","3","6","1") = "5"
    & skf21("4","5","2","6","1","3","7","1") = "6"
    & skf21("4","5","2","6","1","4","1","1") = "5"
    & skf21("4","5","2","6","1","4","2","1") = "5"
    & skf21("4","5","2","6","1","4","3","1") = "5"
    & skf21("4","5","2","6","1","4","4","1") = "5"
    & skf21("4","5","2","6","1","4","5","1") = "5"
    & skf21("4","5","2","6","1","4","6","1") = "5"
    & skf21("4","5","2","6","1","4","7","1") = "6"
    & skf21("4","5","2","6","1","5","1","1") = "5"
    & skf21("4","5","2","6","1","5","2","1") = "5"
    & skf21("4","5","2","6","1","5","3","1") = "5"
    & skf21("4","5","2","6","1","5","4","1") = "5"
    & skf21("4","5","2","6","1","5","5","1") = "5"
    & skf21("4","5","2","6","1","5","6","1") = "5"
    & skf21("4","5","2","6","1","5","7","1") = "6"
    & skf21("4","5","2","6","1","6","1","1") = "5"
    & skf21("4","5","2","6","1","6","2","1") = "5"
    & skf21("4","5","2","6","1","6","3","1") = "5"
    & skf21("4","5","2","6","1","6","4","1") = "5"
    & skf21("4","5","2","6","1","6","5","1") = "5"
    & skf21("4","5","2","6","1","6","6","1") = "5"
    & skf21("4","5","2","6","1","6","7","1") = "6"
    & skf21("4","5","2","6","1","7","1","1") = "6"
    & skf21("4","5","2","6","1","7","2","1") = "6"
    & skf21("4","5","2","6","1","7","3","1") = "6"
    & skf21("4","5","2","6","1","7","4","1") = "6"
    & skf21("4","5","2","6","1","7","5","1") = "6"
    & skf21("4","5","2","6","1","7","6","1") = "6"
    & skf21("4","5","2","6","1","7","7","1") = "6"
    & skf21("4","5","2","6","2","1","1","1") = "5"
    & skf21("4","5","2","6","2","1","2","1") = "5"
    & skf21("4","5","2","6","2","1","3","1") = "5"
    & skf21("4","5","2","6","2","1","4","1") = "5"
    & skf21("4","5","2","6","2","1","5","1") = "5"
    & skf21("4","5","2","6","2","1","6","1") = "5"
    & skf21("4","5","2","6","2","1","7","1") = "6"
    & skf21("4","5","2","6","2","2","1","1") = "5"
    & skf21("4","5","2","6","2","2","2","1") = "5"
    & skf21("4","5","2","6","2","2","3","1") = "5"
    & skf21("4","5","2","6","2","2","4","1") = "5"
    & skf21("4","5","2","6","2","2","5","1") = "5"
    & skf21("4","5","2","6","2","2","6","1") = "5"
    & skf21("4","5","2","6","2","2","7","1") = "6"
    & skf21("4","5","2","6","2","3","1","1") = "5"
    & skf21("4","5","2","6","2","3","2","1") = "5"
    & skf21("4","5","2","6","2","3","3","1") = "5"
    & skf21("4","5","2","6","2","3","4","1") = "5"
    & skf21("4","5","2","6","2","3","5","1") = "5"
    & skf21("4","5","2","6","2","3","6","1") = "5"
    & skf21("4","5","2","6","2","3","7","1") = "6"
    & skf21("4","5","2","6","2","4","1","1") = "5"
    & skf21("4","5","2","6","2","4","2","1") = "5"
    & skf21("4","5","2","6","2","4","3","1") = "5"
    & skf21("4","5","2","6","2","4","4","1") = "5"
    & skf21("4","5","2","6","2","4","5","1") = "5"
    & skf21("4","5","2","6","2","4","6","1") = "5"
    & skf21("4","5","2","6","2","4","7","1") = "6"
    & skf21("4","5","2","6","2","5","1","1") = "5"
    & skf21("4","5","2","6","2","5","2","1") = "5"
    & skf21("4","5","2","6","2","5","3","1") = "5"
    & skf21("4","5","2","6","2","5","4","1") = "5"
    & skf21("4","5","2","6","2","5","5","1") = "5"
    & skf21("4","5","2","6","2","5","6","1") = "5"
    & skf21("4","5","2","6","2","5","7","1") = "6"
    & skf21("4","5","2","6","2","6","1","1") = "5"
    & skf21("4","5","2","6","2","6","2","1") = "5"
    & skf21("4","5","2","6","2","6","3","1") = "5"
    & skf21("4","5","2","6","2","6","4","1") = "5"
    & skf21("4","5","2","6","2","6","5","1") = "5"
    & skf21("4","5","2","6","2","6","6","1") = "5"
    & skf21("4","5","2","6","2","6","7","1") = "6"
    & skf21("4","5","2","6","2","7","1","1") = "6"
    & skf21("4","5","2","6","2","7","2","1") = "6"
    & skf21("4","5","2","6","2","7","3","1") = "6"
    & skf21("4","5","2","6","2","7","4","1") = "6"
    & skf21("4","5","2","6","2","7","5","1") = "6"
    & skf21("4","5","2","6","2","7","6","1") = "6"
    & skf21("4","5","2","6","2","7","7","1") = "6"
    & skf21("4","5","2","6","3","1","1","1") = "5"
    & skf21("4","5","2","6","3","1","2","1") = "5"
    & skf21("4","5","2","6","3","1","3","1") = "5"
    & skf21("4","5","2","6","3","1","4","1") = "5"
    & skf21("4","5","2","6","3","1","5","1") = "5"
    & skf21("4","5","2","6","3","1","6","1") = "5"
    & skf21("4","5","2","6","3","1","7","1") = "6"
    & skf21("4","5","2","6","3","2","1","1") = "5"
    & skf21("4","5","2","6","3","2","2","1") = "5"
    & skf21("4","5","2","6","3","2","3","1") = "5"
    & skf21("4","5","2","6","3","2","4","1") = "5"
    & skf21("4","5","2","6","3","2","5","1") = "5"
    & skf21("4","5","2","6","3","2","6","1") = "5"
    & skf21("4","5","2","6","3","2","7","1") = "6"
    & skf21("4","5","2","6","3","3","1","1") = "5"
    & skf21("4","5","2","6","3","3","2","1") = "5"
    & skf21("4","5","2","6","3","3","3","1") = "5"
    & skf21("4","5","2","6","3","3","4","1") = "5"
    & skf21("4","5","2","6","3","3","5","1") = "5"
    & skf21("4","5","2","6","3","3","6","1") = "5"
    & skf21("4","5","2","6","3","3","7","1") = "6"
    & skf21("4","5","2","6","3","4","1","1") = "5"
    & skf21("4","5","2","6","3","4","2","1") = "5"
    & skf21("4","5","2","6","3","4","3","1") = "5"
    & skf21("4","5","2","6","3","4","4","1") = "5"
    & skf21("4","5","2","6","3","4","5","1") = "5"
    & skf21("4","5","2","6","3","4","6","1") = "5"
    & skf21("4","5","2","6","3","4","7","1") = "6"
    & skf21("4","5","2","6","3","5","1","1") = "5"
    & skf21("4","5","2","6","3","5","2","1") = "5"
    & skf21("4","5","2","6","3","5","3","1") = "5"
    & skf21("4","5","2","6","3","5","4","1") = "5"
    & skf21("4","5","2","6","3","5","5","1") = "5"
    & skf21("4","5","2","6","3","5","6","1") = "5"
    & skf21("4","5","2","6","3","5","7","1") = "6"
    & skf21("4","5","2","6","3","6","1","1") = "5"
    & skf21("4","5","2","6","3","6","2","1") = "5"
    & skf21("4","5","2","6","3","6","3","1") = "5"
    & skf21("4","5","2","6","3","6","4","1") = "5"
    & skf21("4","5","2","6","3","6","5","1") = "5"
    & skf21("4","5","2","6","3","6","6","1") = "5"
    & skf21("4","5","2","6","3","6","7","1") = "6"
    & skf21("4","5","2","6","3","7","1","1") = "6"
    & skf21("4","5","2","6","3","7","2","1") = "6"
    & skf21("4","5","2","6","3","7","3","1") = "6"
    & skf21("4","5","2","6","3","7","4","1") = "6"
    & skf21("4","5","2","6","3","7","5","1") = "6"
    & skf21("4","5","2","6","3","7","6","1") = "6"
    & skf21("4","5","2","6","3","7","7","1") = "6"
    & skf21("4","5","2","6","4","1","1","1") = "5"
    & skf21("4","5","2","6","4","1","2","1") = "5"
    & skf21("4","5","2","6","4","1","3","1") = "5"
    & skf21("4","5","2","6","4","1","4","1") = "5"
    & skf21("4","5","2","6","4","1","5","1") = "5"
    & skf21("4","5","2","6","4","1","6","1") = "5"
    & skf21("4","5","2","6","4","1","7","1") = "6"
    & skf21("4","5","2","6","4","2","1","1") = "5"
    & skf21("4","5","2","6","4","2","2","1") = "5"
    & skf21("4","5","2","6","4","2","3","1") = "5"
    & skf21("4","5","2","6","4","2","4","1") = "5"
    & skf21("4","5","2","6","4","2","5","1") = "5"
    & skf21("4","5","2","6","4","2","6","1") = "5"
    & skf21("4","5","2","6","4","2","7","1") = "6"
    & skf21("4","5","2","6","4","3","1","1") = "5"
    & skf21("4","5","2","6","4","3","2","1") = "5"
    & skf21("4","5","2","6","4","3","3","1") = "5"
    & skf21("4","5","2","6","4","3","4","1") = "5"
    & skf21("4","5","2","6","4","3","5","1") = "5"
    & skf21("4","5","2","6","4","3","6","1") = "5"
    & skf21("4","5","2","6","4","3","7","1") = "6"
    & skf21("4","5","2","6","4","4","1","1") = "5"
    & skf21("4","5","2","6","4","4","2","1") = "5"
    & skf21("4","5","2","6","4","4","3","1") = "5"
    & skf21("4","5","2","6","4","4","4","1") = "5"
    & skf21("4","5","2","6","4","4","5","1") = "5"
    & skf21("4","5","2","6","4","4","6","1") = "5"
    & skf21("4","5","2","6","4","4","7","1") = "6"
    & skf21("4","5","2","6","4","5","1","1") = "5"
    & skf21("4","5","2","6","4","5","2","1") = "5"
    & skf21("4","5","2","6","4","5","3","1") = "5"
    & skf21("4","5","2","6","4","5","4","1") = "5"
    & skf21("4","5","2","6","4","5","5","1") = "5"
    & skf21("4","5","2","6","4","5","6","1") = "5"
    & skf21("4","5","2","6","4","5","7","1") = "6"
    & skf21("4","5","2","6","4","6","1","1") = "5"
    & skf21("4","5","2","6","4","6","2","1") = "5"
    & skf21("4","5","2","6","4","6","3","1") = "5"
    & skf21("4","5","2","6","4","6","4","1") = "5"
    & skf21("4","5","2","6","4","6","5","1") = "5"
    & skf21("4","5","2","6","4","6","6","1") = "5"
    & skf21("4","5","2","6","4","6","7","1") = "6"
    & skf21("4","5","2","6","4","7","1","1") = "6"
    & skf21("4","5","2","6","4","7","2","1") = "6"
    & skf21("4","5","2","6","4","7","3","1") = "6"
    & skf21("4","5","2","6","4","7","4","1") = "6"
    & skf21("4","5","2","6","4","7","5","1") = "6"
    & skf21("4","5","2","6","4","7","6","1") = "6"
    & skf21("4","5","2","6","4","7","7","1") = "6"
    & skf21("4","5","2","6","5","1","1","1") = "5"
    & skf21("4","5","2","6","5","1","2","1") = "5"
    & skf21("4","5","2","6","5","1","3","1") = "5"
    & skf21("4","5","2","6","5","1","4","1") = "5"
    & skf21("4","5","2","6","5","1","5","1") = "5"
    & skf21("4","5","2","6","5","1","6","1") = "5"
    & skf21("4","5","2","6","5","1","7","1") = "6"
    & skf21("4","5","2","6","5","2","1","1") = "5"
    & skf21("4","5","2","6","5","2","2","1") = "5"
    & skf21("4","5","2","6","5","2","3","1") = "5"
    & skf21("4","5","2","6","5","2","4","1") = "5"
    & skf21("4","5","2","6","5","2","5","1") = "5"
    & skf21("4","5","2","6","5","2","6","1") = "5"
    & skf21("4","5","2","6","5","2","7","1") = "6"
    & skf21("4","5","2","6","5","3","1","1") = "5"
    & skf21("4","5","2","6","5","3","2","1") = "5"
    & skf21("4","5","2","6","5","3","3","1") = "5"
    & skf21("4","5","2","6","5","3","4","1") = "5"
    & skf21("4","5","2","6","5","3","5","1") = "5"
    & skf21("4","5","2","6","5","3","6","1") = "5"
    & skf21("4","5","2","6","5","3","7","1") = "6"
    & skf21("4","5","2","6","5","4","1","1") = "5"
    & skf21("4","5","2","6","5","4","2","1") = "5"
    & skf21("4","5","2","6","5","4","3","1") = "5"
    & skf21("4","5","2","6","5","4","4","1") = "5"
    & skf21("4","5","2","6","5","4","5","1") = "5"
    & skf21("4","5","2","6","5","4","6","1") = "5"
    & skf21("4","5","2","6","5","4","7","1") = "6"
    & skf21("4","5","2","6","5","5","1","1") = "5"
    & skf21("4","5","2","6","5","5","2","1") = "5"
    & skf21("4","5","2","6","5","5","3","1") = "5"
    & skf21("4","5","2","6","5","5","4","1") = "5"
    & skf21("4","5","2","6","5","5","5","1") = "5"
    & skf21("4","5","2","6","5","5","6","1") = "5"
    & skf21("4","5","2","6","5","5","7","1") = "6"
    & skf21("4","5","2","6","5","6","1","1") = "5"
    & skf21("4","5","2","6","5","6","2","1") = "5"
    & skf21("4","5","2","6","5","6","3","1") = "5"
    & skf21("4","5","2","6","5","6","4","1") = "5"
    & skf21("4","5","2","6","5","6","5","1") = "5"
    & skf21("4","5","2","6","5","6","6","1") = "5"
    & skf21("4","5","2","6","5","6","7","1") = "6"
    & skf21("4","5","2","6","5","7","1","1") = "6"
    & skf21("4","5","2","6","5","7","2","1") = "6"
    & skf21("4","5","2","6","5","7","3","1") = "6"
    & skf21("4","5","2","6","5","7","4","1") = "6"
    & skf21("4","5","2","6","5","7","5","1") = "6"
    & skf21("4","5","2","6","5","7","6","1") = "6"
    & skf21("4","5","2","6","5","7","7","1") = "6"
    & skf21("4","5","2","6","6","1","1","1") = "5"
    & skf21("4","5","2","6","6","1","2","1") = "5"
    & skf21("4","5","2","6","6","1","3","1") = "5"
    & skf21("4","5","2","6","6","1","4","1") = "5"
    & skf21("4","5","2","6","6","1","5","1") = "5"
    & skf21("4","5","2","6","6","1","6","1") = "5"
    & skf21("4","5","2","6","6","1","7","1") = "6"
    & skf21("4","5","2","6","6","2","1","1") = "5"
    & skf21("4","5","2","6","6","2","2","1") = "5"
    & skf21("4","5","2","6","6","2","3","1") = "5"
    & skf21("4","5","2","6","6","2","4","1") = "5"
    & skf21("4","5","2","6","6","2","5","1") = "5"
    & skf21("4","5","2","6","6","2","6","1") = "5"
    & skf21("4","5","2","6","6","2","7","1") = "6"
    & skf21("4","5","2","6","6","3","1","1") = "5"
    & skf21("4","5","2","6","6","3","2","1") = "5"
    & skf21("4","5","2","6","6","3","3","1") = "5"
    & skf21("4","5","2","6","6","3","4","1") = "5"
    & skf21("4","5","2","6","6","3","5","1") = "5"
    & skf21("4","5","2","6","6","3","6","1") = "5"
    & skf21("4","5","2","6","6","3","7","1") = "6"
    & skf21("4","5","2","6","6","4","1","1") = "5"
    & skf21("4","5","2","6","6","4","2","1") = "5"
    & skf21("4","5","2","6","6","4","3","1") = "5"
    & skf21("4","5","2","6","6","4","4","1") = "5"
    & skf21("4","5","2","6","6","4","5","1") = "5"
    & skf21("4","5","2","6","6","4","6","1") = "5"
    & skf21("4","5","2","6","6","4","7","1") = "6"
    & skf21("4","5","2","6","6","5","1","1") = "5"
    & skf21("4","5","2","6","6","5","2","1") = "5"
    & skf21("4","5","2","6","6","5","3","1") = "5"
    & skf21("4","5","2","6","6","5","4","1") = "5"
    & skf21("4","5","2","6","6","5","5","1") = "5"
    & skf21("4","5","2","6","6","5","6","1") = "5"
    & skf21("4","5","2","6","6","5","7","1") = "6"
    & skf21("4","5","2","6","6","6","1","1") = "5"
    & skf21("4","5","2","6","6","6","2","1") = "5"
    & skf21("4","5","2","6","6","6","3","1") = "5"
    & skf21("4","5","2","6","6","6","4","1") = "5"
    & skf21("4","5","2","6","6","6","5","1") = "5"
    & skf21("4","5","2","6","6","6","6","1") = "5"
    & skf21("4","5","2","6","6","6","7","1") = "6"
    & skf21("4","5","2","6","6","7","1","1") = "6"
    & skf21("4","5","2","6","6","7","2","1") = "6"
    & skf21("4","5","2","6","6","7","3","1") = "6"
    & skf21("4","5","2","6","6","7","4","1") = "6"
    & skf21("4","5","2","6","6","7","5","1") = "6"
    & skf21("4","5","2","6","6","7","6","1") = "6"
    & skf21("4","5","2","6","6","7","7","1") = "6"
    & skf21("4","5","2","6","7","1","1","1") = "6"
    & skf21("4","5","2","6","7","1","2","1") = "6"
    & skf21("4","5","2","6","7","1","3","1") = "6"
    & skf21("4","5","2","6","7","1","4","1") = "6"
    & skf21("4","5","2","6","7","1","5","1") = "6"
    & skf21("4","5","2","6","7","1","6","1") = "6"
    & skf21("4","5","2","6","7","1","7","1") = "6"
    & skf21("4","5","2","6","7","2","1","1") = "6"
    & skf21("4","5","2","6","7","2","2","1") = "6"
    & skf21("4","5","2","6","7","2","3","1") = "6"
    & skf21("4","5","2","6","7","2","4","1") = "6"
    & skf21("4","5","2","6","7","2","5","1") = "6"
    & skf21("4","5","2","6","7","2","6","1") = "6"
    & skf21("4","5","2","6","7","2","7","1") = "6"
    & skf21("4","5","2","6","7","3","1","1") = "6"
    & skf21("4","5","2","6","7","3","2","1") = "6"
    & skf21("4","5","2","6","7","3","3","1") = "6"
    & skf21("4","5","2","6","7","3","4","1") = "6"
    & skf21("4","5","2","6","7","3","5","1") = "6"
    & skf21("4","5","2","6","7","3","6","1") = "6"
    & skf21("4","5","2","6","7","3","7","1") = "6"
    & skf21("4","5","2","6","7","4","1","1") = "6"
    & skf21("4","5","2","6","7","4","2","1") = "6"
    & skf21("4","5","2","6","7","4","3","1") = "6"
    & skf21("4","5","2","6","7","4","4","1") = "6"
    & skf21("4","5","2","6","7","4","5","1") = "6"
    & skf21("4","5","2","6","7","4","6","1") = "6"
    & skf21("4","5","2","6","7","4","7","1") = "6"
    & skf21("4","5","2","6","7","5","1","1") = "6"
    & skf21("4","5","2","6","7","5","2","1") = "6"
    & skf21("4","5","2","6","7","5","3","1") = "6"
    & skf21("4","5","2","6","7","5","4","1") = "6"
    & skf21("4","5","2","6","7","5","5","1") = "6"
    & skf21("4","5","2","6","7","5","6","1") = "6"
    & skf21("4","5","2","6","7","5","7","1") = "6"
    & skf21("4","5","2","6","7","6","1","1") = "6"
    & skf21("4","5","2","6","7","6","2","1") = "6"
    & skf21("4","5","2","6","7","6","3","1") = "6"
    & skf21("4","5","2","6","7","6","4","1") = "6"
    & skf21("4","5","2","6","7","6","5","1") = "6"
    & skf21("4","5","2","6","7","6","6","1") = "6"
    & skf21("4","5","2","6","7","6","7","1") = "6"
    & skf21("4","5","2","6","7","7","1","1") = "6"
    & skf21("4","5","2","6","7","7","2","1") = "6"
    & skf21("4","5","2","6","7","7","3","1") = "6"
    & skf21("4","5","2","6","7","7","4","1") = "6"
    & skf21("4","5","2","6","7","7","5","1") = "6"
    & skf21("4","5","2","6","7","7","6","1") = "6"
    & skf21("4","5","2","6","7","7","7","1") = "6"
    & skf21("4","5","2","7","1","1","1","1") = "6"
    & skf21("4","5","2","7","1","1","2","1") = "6"
    & skf21("4","5","2","7","1","1","3","1") = "6"
    & skf21("4","5","2","7","1","1","4","1") = "6"
    & skf21("4","5","2","7","1","1","5","1") = "6"
    & skf21("4","5","2","7","1","1","6","1") = "6"
    & skf21("4","5","2","7","1","1","7","1") = "6"
    & skf21("4","5","2","7","1","2","1","1") = "6"
    & skf21("4","5","2","7","1","2","2","1") = "6"
    & skf21("4","5","2","7","1","2","3","1") = "6"
    & skf21("4","5","2","7","1","2","4","1") = "6"
    & skf21("4","5","2","7","1","2","5","1") = "6"
    & skf21("4","5","2","7","1","2","6","1") = "6"
    & skf21("4","5","2","7","1","2","7","1") = "6"
    & skf21("4","5","2","7","1","3","1","1") = "6"
    & skf21("4","5","2","7","1","3","2","1") = "6"
    & skf21("4","5","2","7","1","3","3","1") = "6"
    & skf21("4","5","2","7","1","3","4","1") = "6"
    & skf21("4","5","2","7","1","3","5","1") = "6"
    & skf21("4","5","2","7","1","3","6","1") = "6"
    & skf21("4","5","2","7","1","3","7","1") = "6"
    & skf21("4","5","2","7","1","4","1","1") = "6"
    & skf21("4","5","2","7","1","4","2","1") = "6"
    & skf21("4","5","2","7","1","4","3","1") = "6"
    & skf21("4","5","2","7","1","4","4","1") = "6"
    & skf21("4","5","2","7","1","4","5","1") = "6"
    & skf21("4","5","2","7","1","4","6","1") = "6"
    & skf21("4","5","2","7","1","4","7","1") = "6"
    & skf21("4","5","2","7","1","5","1","1") = "6"
    & skf21("4","5","2","7","1","5","2","1") = "6"
    & skf21("4","5","2","7","1","5","3","1") = "6"
    & skf21("4","5","2","7","1","5","4","1") = "6"
    & skf21("4","5","2","7","1","5","5","1") = "6"
    & skf21("4","5","2","7","1","5","6","1") = "6"
    & skf21("4","5","2","7","1","5","7","1") = "6"
    & skf21("4","5","2","7","1","6","1","1") = "6"
    & skf21("4","5","2","7","1","6","2","1") = "6"
    & skf21("4","5","2","7","1","6","3","1") = "6"
    & skf21("4","5","2","7","1","6","4","1") = "6"
    & skf21("4","5","2","7","1","6","5","1") = "6"
    & skf21("4","5","2","7","1","6","6","1") = "6"
    & skf21("4","5","2","7","1","6","7","1") = "6"
    & skf21("4","5","2","7","1","7","1","1") = "6"
    & skf21("4","5","2","7","1","7","2","1") = "6"
    & skf21("4","5","2","7","1","7","3","1") = "6"
    & skf21("4","5","2","7","1","7","4","1") = "6"
    & skf21("4","5","2","7","1","7","5","1") = "6"
    & skf21("4","5","2","7","1","7","6","1") = "6"
    & skf21("4","5","2","7","1","7","7","1") = "6"
    & skf21("4","5","2","7","2","1","1","1") = "6"
    & skf21("4","5","2","7","2","1","2","1") = "6"
    & skf21("4","5","2","7","2","1","3","1") = "6"
    & skf21("4","5","2","7","2","1","4","1") = "6"
    & skf21("4","5","2","7","2","1","5","1") = "6"
    & skf21("4","5","2","7","2","1","6","1") = "6"
    & skf21("4","5","2","7","2","1","7","1") = "6"
    & skf21("4","5","2","7","2","2","1","1") = "6"
    & skf21("4","5","2","7","2","2","2","1") = "6"
    & skf21("4","5","2","7","2","2","3","1") = "6"
    & skf21("4","5","2","7","2","2","4","1") = "6"
    & skf21("4","5","2","7","2","2","5","1") = "6"
    & skf21("4","5","2","7","2","2","6","1") = "6"
    & skf21("4","5","2","7","2","2","7","1") = "6"
    & skf21("4","5","2","7","2","3","1","1") = "6"
    & skf21("4","5","2","7","2","3","2","1") = "6"
    & skf21("4","5","2","7","2","3","3","1") = "6"
    & skf21("4","5","2","7","2","3","4","1") = "6"
    & skf21("4","5","2","7","2","3","5","1") = "6"
    & skf21("4","5","2","7","2","3","6","1") = "6"
    & skf21("4","5","2","7","2","3","7","1") = "6"
    & skf21("4","5","2","7","2","4","1","1") = "6"
    & skf21("4","5","2","7","2","4","2","1") = "6"
    & skf21("4","5","2","7","2","4","3","1") = "6"
    & skf21("4","5","2","7","2","4","4","1") = "6"
    & skf21("4","5","2","7","2","4","5","1") = "6"
    & skf21("4","5","2","7","2","4","6","1") = "6"
    & skf21("4","5","2","7","2","4","7","1") = "6"
    & skf21("4","5","2","7","2","5","1","1") = "6"
    & skf21("4","5","2","7","2","5","2","1") = "6"
    & skf21("4","5","2","7","2","5","3","1") = "6"
    & skf21("4","5","2","7","2","5","4","1") = "6"
    & skf21("4","5","2","7","2","5","5","1") = "6"
    & skf21("4","5","2","7","2","5","6","1") = "6"
    & skf21("4","5","2","7","2","5","7","1") = "6"
    & skf21("4","5","2","7","2","6","1","1") = "6"
    & skf21("4","5","2","7","2","6","2","1") = "6"
    & skf21("4","5","2","7","2","6","3","1") = "6"
    & skf21("4","5","2","7","2","6","4","1") = "6"
    & skf21("4","5","2","7","2","6","5","1") = "6"
    & skf21("4","5","2","7","2","6","6","1") = "6"
    & skf21("4","5","2","7","2","6","7","1") = "6"
    & skf21("4","5","2","7","2","7","1","1") = "6"
    & skf21("4","5","2","7","2","7","2","1") = "6"
    & skf21("4","5","2","7","2","7","3","1") = "6"
    & skf21("4","5","2","7","2","7","4","1") = "6"
    & skf21("4","5","2","7","2","7","5","1") = "6"
    & skf21("4","5","2","7","2","7","6","1") = "6"
    & skf21("4","5","2","7","2","7","7","1") = "6"
    & skf21("4","5","2","7","3","1","1","1") = "6"
    & skf21("4","5","2","7","3","1","2","1") = "6"
    & skf21("4","5","2","7","3","1","3","1") = "6"
    & skf21("4","5","2","7","3","1","4","1") = "6"
    & skf21("4","5","2","7","3","1","5","1") = "6"
    & skf21("4","5","2","7","3","1","6","1") = "6"
    & skf21("4","5","2","7","3","1","7","1") = "6"
    & skf21("4","5","2","7","3","2","1","1") = "6"
    & skf21("4","5","2","7","3","2","2","1") = "6"
    & skf21("4","5","2","7","3","2","3","1") = "6"
    & skf21("4","5","2","7","3","2","4","1") = "6"
    & skf21("4","5","2","7","3","2","5","1") = "6"
    & skf21("4","5","2","7","3","2","6","1") = "6"
    & skf21("4","5","2","7","3","2","7","1") = "6"
    & skf21("4","5","2","7","3","3","1","1") = "6"
    & skf21("4","5","2","7","3","3","2","1") = "6"
    & skf21("4","5","2","7","3","3","3","1") = "6"
    & skf21("4","5","2","7","3","3","4","1") = "6"
    & skf21("4","5","2","7","3","3","5","1") = "6"
    & skf21("4","5","2","7","3","3","6","1") = "6"
    & skf21("4","5","2","7","3","3","7","1") = "6"
    & skf21("4","5","2","7","3","4","1","1") = "6"
    & skf21("4","5","2","7","3","4","2","1") = "6"
    & skf21("4","5","2","7","3","4","3","1") = "6"
    & skf21("4","5","2","7","3","4","4","1") = "6"
    & skf21("4","5","2","7","3","4","5","1") = "6"
    & skf21("4","5","2","7","3","4","6","1") = "6"
    & skf21("4","5","2","7","3","4","7","1") = "6"
    & skf21("4","5","2","7","3","5","1","1") = "6"
    & skf21("4","5","2","7","3","5","2","1") = "6"
    & skf21("4","5","2","7","3","5","3","1") = "6"
    & skf21("4","5","2","7","3","5","4","1") = "6"
    & skf21("4","5","2","7","3","5","5","1") = "6"
    & skf21("4","5","2","7","3","5","6","1") = "6"
    & skf21("4","5","2","7","3","5","7","1") = "6"
    & skf21("4","5","2","7","3","6","1","1") = "6"
    & skf21("4","5","2","7","3","6","2","1") = "6"
    & skf21("4","5","2","7","3","6","3","1") = "6"
    & skf21("4","5","2","7","3","6","4","1") = "6"
    & skf21("4","5","2","7","3","6","5","1") = "6"
    & skf21("4","5","2","7","3","6","6","1") = "6"
    & skf21("4","5","2","7","3","6","7","1") = "6"
    & skf21("4","5","2","7","3","7","1","1") = "6"
    & skf21("4","5","2","7","3","7","2","1") = "6"
    & skf21("4","5","2","7","3","7","3","1") = "6"
    & skf21("4","5","2","7","3","7","4","1") = "6"
    & skf21("4","5","2","7","3","7","5","1") = "6"
    & skf21("4","5","2","7","3","7","6","1") = "6"
    & skf21("4","5","2","7","3","7","7","1") = "6"
    & skf21("4","5","2","7","4","1","1","1") = "6"
    & skf21("4","5","2","7","4","1","2","1") = "6"
    & skf21("4","5","2","7","4","1","3","1") = "6"
    & skf21("4","5","2","7","4","1","4","1") = "6"
    & skf21("4","5","2","7","4","1","5","1") = "6"
    & skf21("4","5","2","7","4","1","6","1") = "6"
    & skf21("4","5","2","7","4","1","7","1") = "6"
    & skf21("4","5","2","7","4","2","1","1") = "6"
    & skf21("4","5","2","7","4","2","2","1") = "6"
    & skf21("4","5","2","7","4","2","3","1") = "6"
    & skf21("4","5","2","7","4","2","4","1") = "6"
    & skf21("4","5","2","7","4","2","5","1") = "6"
    & skf21("4","5","2","7","4","2","6","1") = "6"
    & skf21("4","5","2","7","4","2","7","1") = "6"
    & skf21("4","5","2","7","4","3","1","1") = "6"
    & skf21("4","5","2","7","4","3","2","1") = "6"
    & skf21("4","5","2","7","4","3","3","1") = "6"
    & skf21("4","5","2","7","4","3","4","1") = "6"
    & skf21("4","5","2","7","4","3","5","1") = "6"
    & skf21("4","5","2","7","4","3","6","1") = "6"
    & skf21("4","5","2","7","4","3","7","1") = "6"
    & skf21("4","5","2","7","4","4","1","1") = "6"
    & skf21("4","5","2","7","4","4","2","1") = "6"
    & skf21("4","5","2","7","4","4","3","1") = "6"
    & skf21("4","5","2","7","4","4","4","1") = "6"
    & skf21("4","5","2","7","4","4","5","1") = "6"
    & skf21("4","5","2","7","4","4","6","1") = "6"
    & skf21("4","5","2","7","4","4","7","1") = "6"
    & skf21("4","5","2","7","4","5","1","1") = "6"
    & skf21("4","5","2","7","4","5","2","1") = "6"
    & skf21("4","5","2","7","4","5","3","1") = "6"
    & skf21("4","5","2","7","4","5","4","1") = "6"
    & skf21("4","5","2","7","4","5","5","1") = "6"
    & skf21("4","5","2","7","4","5","6","1") = "6"
    & skf21("4","5","2","7","4","5","7","1") = "6"
    & skf21("4","5","2","7","4","6","1","1") = "6"
    & skf21("4","5","2","7","4","6","2","1") = "6"
    & skf21("4","5","2","7","4","6","3","1") = "6"
    & skf21("4","5","2","7","4","6","4","1") = "6"
    & skf21("4","5","2","7","4","6","5","1") = "6"
    & skf21("4","5","2","7","4","6","6","1") = "6"
    & skf21("4","5","2","7","4","6","7","1") = "6"
    & skf21("4","5","2","7","4","7","1","1") = "6"
    & skf21("4","5","2","7","4","7","2","1") = "6"
    & skf21("4","5","2","7","4","7","3","1") = "6"
    & skf21("4","5","2","7","4","7","4","1") = "6"
    & skf21("4","5","2","7","4","7","5","1") = "6"
    & skf21("4","5","2","7","4","7","6","1") = "6"
    & skf21("4","5","2","7","4","7","7","1") = "6"
    & skf21("4","5","2","7","5","1","1","1") = "6"
    & skf21("4","5","2","7","5","1","2","1") = "6"
    & skf21("4","5","2","7","5","1","3","1") = "6"
    & skf21("4","5","2","7","5","1","4","1") = "6"
    & skf21("4","5","2","7","5","1","5","1") = "6"
    & skf21("4","5","2","7","5","1","6","1") = "6"
    & skf21("4","5","2","7","5","1","7","1") = "6"
    & skf21("4","5","2","7","5","2","1","1") = "6"
    & skf21("4","5","2","7","5","2","2","1") = "6"
    & skf21("4","5","2","7","5","2","3","1") = "6"
    & skf21("4","5","2","7","5","2","4","1") = "6"
    & skf21("4","5","2","7","5","2","5","1") = "6"
    & skf21("4","5","2","7","5","2","6","1") = "6"
    & skf21("4","5","2","7","5","2","7","1") = "6"
    & skf21("4","5","2","7","5","3","1","1") = "6"
    & skf21("4","5","2","7","5","3","2","1") = "6"
    & skf21("4","5","2","7","5","3","3","1") = "6"
    & skf21("4","5","2","7","5","3","4","1") = "6"
    & skf21("4","5","2","7","5","3","5","1") = "6"
    & skf21("4","5","2","7","5","3","6","1") = "6"
    & skf21("4","5","2","7","5","3","7","1") = "6"
    & skf21("4","5","2","7","5","4","1","1") = "6"
    & skf21("4","5","2","7","5","4","2","1") = "6"
    & skf21("4","5","2","7","5","4","3","1") = "6"
    & skf21("4","5","2","7","5","4","4","1") = "6"
    & skf21("4","5","2","7","5","4","5","1") = "6"
    & skf21("4","5","2","7","5","4","6","1") = "6"
    & skf21("4","5","2","7","5","4","7","1") = "6"
    & skf21("4","5","2","7","5","5","1","1") = "6"
    & skf21("4","5","2","7","5","5","2","1") = "6"
    & skf21("4","5","2","7","5","5","3","1") = "6"
    & skf21("4","5","2","7","5","5","4","1") = "6"
    & skf21("4","5","2","7","5","5","5","1") = "6"
    & skf21("4","5","2","7","5","5","6","1") = "6"
    & skf21("4","5","2","7","5","5","7","1") = "6"
    & skf21("4","5","2","7","5","6","1","1") = "6"
    & skf21("4","5","2","7","5","6","2","1") = "6"
    & skf21("4","5","2","7","5","6","3","1") = "6"
    & skf21("4","5","2","7","5","6","4","1") = "6"
    & skf21("4","5","2","7","5","6","5","1") = "6"
    & skf21("4","5","2","7","5","6","6","1") = "6"
    & skf21("4","5","2","7","5","6","7","1") = "6"
    & skf21("4","5","2","7","5","7","1","1") = "6"
    & skf21("4","5","2","7","5","7","2","1") = "6"
    & skf21("4","5","2","7","5","7","3","1") = "6"
    & skf21("4","5","2","7","5","7","4","1") = "6"
    & skf21("4","5","2","7","5","7","5","1") = "6"
    & skf21("4","5","2","7","5","7","6","1") = "6"
    & skf21("4","5","2","7","5","7","7","1") = "6"
    & skf21("4","5","2","7","6","1","1","1") = "6"
    & skf21("4","5","2","7","6","1","2","1") = "6"
    & skf21("4","5","2","7","6","1","3","1") = "6"
    & skf21("4","5","2","7","6","1","4","1") = "6"
    & skf21("4","5","2","7","6","1","5","1") = "6"
    & skf21("4","5","2","7","6","1","6","1") = "6"
    & skf21("4","5","2","7","6","1","7","1") = "6"
    & skf21("4","5","2","7","6","2","1","1") = "6"
    & skf21("4","5","2","7","6","2","2","1") = "6"
    & skf21("4","5","2","7","6","2","3","1") = "6"
    & skf21("4","5","2","7","6","2","4","1") = "6"
    & skf21("4","5","2","7","6","2","5","1") = "6"
    & skf21("4","5","2","7","6","2","6","1") = "6"
    & skf21("4","5","2","7","6","2","7","1") = "6"
    & skf21("4","5","2","7","6","3","1","1") = "6"
    & skf21("4","5","2","7","6","3","2","1") = "6"
    & skf21("4","5","2","7","6","3","3","1") = "6"
    & skf21("4","5","2","7","6","3","4","1") = "6"
    & skf21("4","5","2","7","6","3","5","1") = "6"
    & skf21("4","5","2","7","6","3","6","1") = "6"
    & skf21("4","5","2","7","6","3","7","1") = "6"
    & skf21("4","5","2","7","6","4","1","1") = "6"
    & skf21("4","5","2","7","6","4","2","1") = "6"
    & skf21("4","5","2","7","6","4","3","1") = "6"
    & skf21("4","5","2","7","6","4","4","1") = "6"
    & skf21("4","5","2","7","6","4","5","1") = "6"
    & skf21("4","5","2","7","6","4","6","1") = "6"
    & skf21("4","5","2","7","6","4","7","1") = "6"
    & skf21("4","5","2","7","6","5","1","1") = "6"
    & skf21("4","5","2","7","6","5","2","1") = "6"
    & skf21("4","5","2","7","6","5","3","1") = "6"
    & skf21("4","5","2","7","6","5","4","1") = "6"
    & skf21("4","5","2","7","6","5","5","1") = "6"
    & skf21("4","5","2","7","6","5","6","1") = "6"
    & skf21("4","5","2","7","6","5","7","1") = "6"
    & skf21("4","5","2","7","6","6","1","1") = "6"
    & skf21("4","5","2","7","6","6","2","1") = "6"
    & skf21("4","5","2","7","6","6","3","1") = "6"
    & skf21("4","5","2","7","6","6","4","1") = "6"
    & skf21("4","5","2","7","6","6","5","1") = "6"
    & skf21("4","5","2","7","6","6","6","1") = "6"
    & skf21("4","5","2","7","6","6","7","1") = "6"
    & skf21("4","5","2","7","6","7","1","1") = "6"
    & skf21("4","5","2","7","6","7","2","1") = "6"
    & skf21("4","5","2","7","6","7","3","1") = "6"
    & skf21("4","5","2","7","6","7","4","1") = "6"
    & skf21("4","5","2","7","6","7","5","1") = "6"
    & skf21("4","5","2","7","6","7","6","1") = "6"
    & skf21("4","5","2","7","6","7","7","1") = "6"
    & skf21("4","5","2","7","7","1","1","1") = "6"
    & skf21("4","5","2","7","7","1","2","1") = "6"
    & skf21("4","5","2","7","7","1","3","1") = "6"
    & skf21("4","5","2","7","7","1","4","1") = "6"
    & skf21("4","5","2","7","7","1","5","1") = "6"
    & skf21("4","5","2","7","7","1","6","1") = "6"
    & skf21("4","5","2","7","7","1","7","1") = "6"
    & skf21("4","5","2","7","7","2","1","1") = "6"
    & skf21("4","5","2","7","7","2","2","1") = "6"
    & skf21("4","5","2","7","7","2","3","1") = "6"
    & skf21("4","5","2","7","7","2","4","1") = "6"
    & skf21("4","5","2","7","7","2","5","1") = "6"
    & skf21("4","5","2","7","7","2","6","1") = "6"
    & skf21("4","5","2","7","7","2","7","1") = "6"
    & skf21("4","5","2","7","7","3","1","1") = "6"
    & skf21("4","5","2","7","7","3","2","1") = "6"
    & skf21("4","5","2","7","7","3","3","1") = "6"
    & skf21("4","5","2","7","7","3","4","1") = "6"
    & skf21("4","5","2","7","7","3","5","1") = "6"
    & skf21("4","5","2","7","7","3","6","1") = "6"
    & skf21("4","5","2","7","7","3","7","1") = "6"
    & skf21("4","5","2","7","7","4","1","1") = "6"
    & skf21("4","5","2","7","7","4","2","1") = "6"
    & skf21("4","5","2","7","7","4","3","1") = "6"
    & skf21("4","5","2","7","7","4","4","1") = "6"
    & skf21("4","5","2","7","7","4","5","1") = "6"
    & skf21("4","5","2","7","7","4","6","1") = "6"
    & skf21("4","5","2","7","7","4","7","1") = "6"
    & skf21("4","5","2","7","7","5","1","1") = "6"
    & skf21("4","5","2","7","7","5","2","1") = "6"
    & skf21("4","5","2","7","7","5","3","1") = "6"
    & skf21("4","5","2","7","7","5","4","1") = "6"
    & skf21("4","5","2","7","7","5","5","1") = "6"
    & skf21("4","5","2","7","7","5","6","1") = "6"
    & skf21("4","5","2","7","7","5","7","1") = "6"
    & skf21("4","5","2","7","7","6","1","1") = "6"
    & skf21("4","5","2","7","7","6","2","1") = "6"
    & skf21("4","5","2","7","7","6","3","1") = "6"
    & skf21("4","5","2","7","7","6","4","1") = "6"
    & skf21("4","5","2","7","7","6","5","1") = "6"
    & skf21("4","5","2","7","7","6","6","1") = "6"
    & skf21("4","5","2","7","7","6","7","1") = "6"
    & skf21("4","5","2","7","7","7","1","1") = "6"
    & skf21("4","5","2","7","7","7","2","1") = "6"
    & skf21("4","5","2","7","7","7","3","1") = "6"
    & skf21("4","5","2","7","7","7","4","1") = "6"
    & skf21("4","5","2","7","7","7","5","1") = "6"
    & skf21("4","5","2","7","7","7","6","1") = "6"
    & skf21("4","5","2","7","7","7","7","1") = "6"
    & skf21("4","5","3","1","1","1","1","1") = "4"
    & skf21("4","5","3","1","1","1","2","1") = "4"
    & skf21("4","5","3","1","1","1","3","1") = "4"
    & skf21("4","5","3","1","1","1","4","1") = "4"
    & skf21("4","5","3","1","1","1","5","1") = "4"
    & skf21("4","5","3","1","1","1","6","1") = "5"
    & skf21("4","5","3","1","1","1","7","1") = "6"
    & skf21("4","5","3","1","1","2","1","1") = "4"
    & skf21("4","5","3","1","1","2","2","1") = "4"
    & skf21("4","5","3","1","1","2","3","1") = "4"
    & skf21("4","5","3","1","1","2","4","1") = "4"
    & skf21("4","5","3","1","1","2","5","1") = "4"
    & skf21("4","5","3","1","1","2","6","1") = "5"
    & skf21("4","5","3","1","1","2","7","1") = "6"
    & skf21("4","5","3","1","1","3","1","1") = "4"
    & skf21("4","5","3","1","1","3","2","1") = "4"
    & skf21("4","5","3","1","1","3","3","1") = "4"
    & skf21("4","5","3","1","1","3","4","1") = "4"
    & skf21("4","5","3","1","1","3","5","1") = "4"
    & skf21("4","5","3","1","1","3","6","1") = "5"
    & skf21("4","5","3","1","1","3","7","1") = "6"
    & skf21("4","5","3","1","1","4","1","1") = "4"
    & skf21("4","5","3","1","1","4","2","1") = "4"
    & skf21("4","5","3","1","1","4","3","1") = "4"
    & skf21("4","5","3","1","1","4","4","1") = "4"
    & skf21("4","5","3","1","1","4","5","1") = "4"
    & skf21("4","5","3","1","1","4","6","1") = "5"
    & skf21("4","5","3","1","1","4","7","1") = "6"
    & skf21("4","5","3","1","1","5","1","1") = "4"
    & skf21("4","5","3","1","1","5","2","1") = "4"
    & skf21("4","5","3","1","1","5","3","1") = "4"
    & skf21("4","5","3","1","1","5","4","1") = "4"
    & skf21("4","5","3","1","1","5","5","1") = "4"
    & skf21("4","5","3","1","1","5","6","1") = "5"
    & skf21("4","5","3","1","1","5","7","1") = "6"
    & skf21("4","5","3","1","1","6","1","1") = "5"
    & skf21("4","5","3","1","1","6","2","1") = "5"
    & skf21("4","5","3","1","1","6","3","1") = "5"
    & skf21("4","5","3","1","1","6","4","1") = "5"
    & skf21("4","5","3","1","1","6","5","1") = "5"
    & skf21("4","5","3","1","1","6","6","1") = "5"
    & skf21("4","5","3","1","1","6","7","1") = "6"
    & skf21("4","5","3","1","1","7","1","1") = "6"
    & skf21("4","5","3","1","1","7","2","1") = "6"
    & skf21("4","5","3","1","1","7","3","1") = "6"
    & skf21("4","5","3","1","1","7","4","1") = "6"
    & skf21("4","5","3","1","1","7","5","1") = "6"
    & skf21("4","5","3","1","1","7","6","1") = "6"
    & skf21("4","5","3","1","1","7","7","1") = "6"
    & skf21("4","5","3","1","2","1","1","1") = "4"
    & skf21("4","5","3","1","2","1","2","1") = "4"
    & skf21("4","5","3","1","2","1","3","1") = "4"
    & skf21("4","5","3","1","2","1","4","1") = "4"
    & skf21("4","5","3","1","2","1","5","1") = "4"
    & skf21("4","5","3","1","2","1","6","1") = "5"
    & skf21("4","5","3","1","2","1","7","1") = "6"
    & skf21("4","5","3","1","2","2","1","1") = "4"
    & skf21("4","5","3","1","2","2","2","1") = "4"
    & skf21("4","5","3","1","2","2","3","1") = "4"
    & skf21("4","5","3","1","2","2","4","1") = "4"
    & skf21("4","5","3","1","2","2","5","1") = "4"
    & skf21("4","5","3","1","2","2","6","1") = "5"
    & skf21("4","5","3","1","2","2","7","1") = "6"
    & skf21("4","5","3","1","2","3","1","1") = "4"
    & skf21("4","5","3","1","2","3","2","1") = "4"
    & skf21("4","5","3","1","2","3","3","1") = "4"
    & skf21("4","5","3","1","2","3","4","1") = "4"
    & skf21("4","5","3","1","2","3","5","1") = "4"
    & skf21("4","5","3","1","2","3","6","1") = "5"
    & skf21("4","5","3","1","2","3","7","1") = "6"
    & skf21("4","5","3","1","2","4","1","1") = "4"
    & skf21("4","5","3","1","2","4","2","1") = "4"
    & skf21("4","5","3","1","2","4","3","1") = "4"
    & skf21("4","5","3","1","2","4","4","1") = "4"
    & skf21("4","5","3","1","2","4","5","1") = "4"
    & skf21("4","5","3","1","2","4","6","1") = "5"
    & skf21("4","5","3","1","2","4","7","1") = "6"
    & skf21("4","5","3","1","2","5","1","1") = "4"
    & skf21("4","5","3","1","2","5","2","1") = "4"
    & skf21("4","5","3","1","2","5","3","1") = "4"
    & skf21("4","5","3","1","2","5","4","1") = "4"
    & skf21("4","5","3","1","2","5","5","1") = "4"
    & skf21("4","5","3","1","2","5","6","1") = "5"
    & skf21("4","5","3","1","2","5","7","1") = "6"
    & skf21("4","5","3","1","2","6","1","1") = "5"
    & skf21("4","5","3","1","2","6","2","1") = "5"
    & skf21("4","5","3","1","2","6","3","1") = "5"
    & skf21("4","5","3","1","2","6","4","1") = "5"
    & skf21("4","5","3","1","2","6","5","1") = "5"
    & skf21("4","5","3","1","2","6","6","1") = "5"
    & skf21("4","5","3","1","2","6","7","1") = "6"
    & skf21("4","5","3","1","2","7","1","1") = "6"
    & skf21("4","5","3","1","2","7","2","1") = "6"
    & skf21("4","5","3","1","2","7","3","1") = "6"
    & skf21("4","5","3","1","2","7","4","1") = "6"
    & skf21("4","5","3","1","2","7","5","1") = "6"
    & skf21("4","5","3","1","2","7","6","1") = "6"
    & skf21("4","5","3","1","2","7","7","1") = "6"
    & skf21("4","5","3","1","3","1","1","1") = "4"
    & skf21("4","5","3","1","3","1","2","1") = "4"
    & skf21("4","5","3","1","3","1","3","1") = "4"
    & skf21("4","5","3","1","3","1","4","1") = "4"
    & skf21("4","5","3","1","3","1","5","1") = "4"
    & skf21("4","5","3","1","3","1","6","1") = "5"
    & skf21("4","5","3","1","3","1","7","1") = "6"
    & skf21("4","5","3","1","3","2","1","1") = "4"
    & skf21("4","5","3","1","3","2","2","1") = "4"
    & skf21("4","5","3","1","3","2","3","1") = "4"
    & skf21("4","5","3","1","3","2","4","1") = "4"
    & skf21("4","5","3","1","3","2","5","1") = "4"
    & skf21("4","5","3","1","3","2","6","1") = "5"
    & skf21("4","5","3","1","3","2","7","1") = "6"
    & skf21("4","5","3","1","3","3","1","1") = "4"
    & skf21("4","5","3","1","3","3","2","1") = "4"
    & skf21("4","5","3","1","3","3","3","1") = "4"
    & skf21("4","5","3","1","3","3","4","1") = "4"
    & skf21("4","5","3","1","3","3","5","1") = "4"
    & skf21("4","5","3","1","3","3","6","1") = "5"
    & skf21("4","5","3","1","3","3","7","1") = "6"
    & skf21("4","5","3","1","3","4","1","1") = "4"
    & skf21("4","5","3","1","3","4","2","1") = "4"
    & skf21("4","5","3","1","3","4","3","1") = "4"
    & skf21("4","5","3","1","3","4","4","1") = "4"
    & skf21("4","5","3","1","3","4","5","1") = "4"
    & skf21("4","5","3","1","3","4","6","1") = "5"
    & skf21("4","5","3","1","3","4","7","1") = "6"
    & skf21("4","5","3","1","3","5","1","1") = "4"
    & skf21("4","5","3","1","3","5","2","1") = "4"
    & skf21("4","5","3","1","3","5","3","1") = "4"
    & skf21("4","5","3","1","3","5","4","1") = "4"
    & skf21("4","5","3","1","3","5","5","1") = "4"
    & skf21("4","5","3","1","3","5","6","1") = "5"
    & skf21("4","5","3","1","3","5","7","1") = "6"
    & skf21("4","5","3","1","3","6","1","1") = "5"
    & skf21("4","5","3","1","3","6","2","1") = "5"
    & skf21("4","5","3","1","3","6","3","1") = "5"
    & skf21("4","5","3","1","3","6","4","1") = "5"
    & skf21("4","5","3","1","3","6","5","1") = "5"
    & skf21("4","5","3","1","3","6","6","1") = "5"
    & skf21("4","5","3","1","3","6","7","1") = "6"
    & skf21("4","5","3","1","3","7","1","1") = "6"
    & skf21("4","5","3","1","3","7","2","1") = "6"
    & skf21("4","5","3","1","3","7","3","1") = "6"
    & skf21("4","5","3","1","3","7","4","1") = "6"
    & skf21("4","5","3","1","3","7","5","1") = "6"
    & skf21("4","5","3","1","3","7","6","1") = "6"
    & skf21("4","5","3","1","3","7","7","1") = "6"
    & skf21("4","5","3","1","4","1","1","1") = "4"
    & skf21("4","5","3","1","4","1","2","1") = "4"
    & skf21("4","5","3","1","4","1","3","1") = "4"
    & skf21("4","5","3","1","4","1","4","1") = "4"
    & skf21("4","5","3","1","4","1","5","1") = "4"
    & skf21("4","5","3","1","4","1","6","1") = "5"
    & skf21("4","5","3","1","4","1","7","1") = "6"
    & skf21("4","5","3","1","4","2","1","1") = "4"
    & skf21("4","5","3","1","4","2","2","1") = "4"
    & skf21("4","5","3","1","4","2","3","1") = "4"
    & skf21("4","5","3","1","4","2","4","1") = "4"
    & skf21("4","5","3","1","4","2","5","1") = "4"
    & skf21("4","5","3","1","4","2","6","1") = "5"
    & skf21("4","5","3","1","4","2","7","1") = "6"
    & skf21("4","5","3","1","4","3","1","1") = "4"
    & skf21("4","5","3","1","4","3","2","1") = "4"
    & skf21("4","5","3","1","4","3","3","1") = "4"
    & skf21("4","5","3","1","4","3","4","1") = "4"
    & skf21("4","5","3","1","4","3","5","1") = "4"
    & skf21("4","5","3","1","4","3","6","1") = "5"
    & skf21("4","5","3","1","4","3","7","1") = "6"
    & skf21("4","5","3","1","4","4","1","1") = "4"
    & skf21("4","5","3","1","4","4","2","1") = "4"
    & skf21("4","5","3","1","4","4","3","1") = "4"
    & skf21("4","5","3","1","4","4","4","1") = "4"
    & skf21("4","5","3","1","4","4","5","1") = "4"
    & skf21("4","5","3","1","4","4","6","1") = "5"
    & skf21("4","5","3","1","4","4","7","1") = "6"
    & skf21("4","5","3","1","4","5","1","1") = "4"
    & skf21("4","5","3","1","4","5","2","1") = "4"
    & skf21("4","5","3","1","4","5","3","1") = "4"
    & skf21("4","5","3","1","4","5","4","1") = "4"
    & skf21("4","5","3","1","4","5","5","1") = "4"
    & skf21("4","5","3","1","4","5","6","1") = "5"
    & skf21("4","5","3","1","4","5","7","1") = "6"
    & skf21("4","5","3","1","4","6","1","1") = "5"
    & skf21("4","5","3","1","4","6","2","1") = "5"
    & skf21("4","5","3","1","4","6","3","1") = "5"
    & skf21("4","5","3","1","4","6","4","1") = "5"
    & skf21("4","5","3","1","4","6","5","1") = "5"
    & skf21("4","5","3","1","4","6","6","1") = "5"
    & skf21("4","5","3","1","4","6","7","1") = "6"
    & skf21("4","5","3","1","4","7","1","1") = "6"
    & skf21("4","5","3","1","4","7","2","1") = "6"
    & skf21("4","5","3","1","4","7","3","1") = "6"
    & skf21("4","5","3","1","4","7","4","1") = "6"
    & skf21("4","5","3","1","4","7","5","1") = "6"
    & skf21("4","5","3","1","4","7","6","1") = "6"
    & skf21("4","5","3","1","4","7","7","1") = "6"
    & skf21("4","5","3","1","5","1","1","1") = "4"
    & skf21("4","5","3","1","5","1","2","1") = "4"
    & skf21("4","5","3","1","5","1","3","1") = "4"
    & skf21("4","5","3","1","5","1","4","1") = "4"
    & skf21("4","5","3","1","5","1","5","1") = "4"
    & skf21("4","5","3","1","5","1","6","1") = "5"
    & skf21("4","5","3","1","5","1","7","1") = "6"
    & skf21("4","5","3","1","5","2","1","1") = "4"
    & skf21("4","5","3","1","5","2","2","1") = "4"
    & skf21("4","5","3","1","5","2","3","1") = "4"
    & skf21("4","5","3","1","5","2","4","1") = "4"
    & skf21("4","5","3","1","5","2","5","1") = "4"
    & skf21("4","5","3","1","5","2","6","1") = "5"
    & skf21("4","5","3","1","5","2","7","1") = "6"
    & skf21("4","5","3","1","5","3","1","1") = "4"
    & skf21("4","5","3","1","5","3","2","1") = "4"
    & skf21("4","5","3","1","5","3","3","1") = "4"
    & skf21("4","5","3","1","5","3","4","1") = "4"
    & skf21("4","5","3","1","5","3","5","1") = "4"
    & skf21("4","5","3","1","5","3","6","1") = "5"
    & skf21("4","5","3","1","5","3","7","1") = "6"
    & skf21("4","5","3","1","5","4","1","1") = "4"
    & skf21("4","5","3","1","5","4","2","1") = "4"
    & skf21("4","5","3","1","5","4","3","1") = "4"
    & skf21("4","5","3","1","5","4","4","1") = "4"
    & skf21("4","5","3","1","5","4","5","1") = "4"
    & skf21("4","5","3","1","5","4","6","1") = "5"
    & skf21("4","5","3","1","5","4","7","1") = "6"
    & skf21("4","5","3","1","5","5","1","1") = "4"
    & skf21("4","5","3","1","5","5","2","1") = "4"
    & skf21("4","5","3","1","5","5","3","1") = "4"
    & skf21("4","5","3","1","5","5","4","1") = "4"
    & skf21("4","5","3","1","5","5","5","1") = "4"
    & skf21("4","5","3","1","5","5","6","1") = "5"
    & skf21("4","5","3","1","5","5","7","1") = "6"
    & skf21("4","5","3","1","5","6","1","1") = "5"
    & skf21("4","5","3","1","5","6","2","1") = "5"
    & skf21("4","5","3","1","5","6","3","1") = "5"
    & skf21("4","5","3","1","5","6","4","1") = "5"
    & skf21("4","5","3","1","5","6","5","1") = "5"
    & skf21("4","5","3","1","5","6","6","1") = "5"
    & skf21("4","5","3","1","5","6","7","1") = "6"
    & skf21("4","5","3","1","5","7","1","1") = "6"
    & skf21("4","5","3","1","5","7","2","1") = "6"
    & skf21("4","5","3","1","5","7","3","1") = "6"
    & skf21("4","5","3","1","5","7","4","1") = "6"
    & skf21("4","5","3","1","5","7","5","1") = "6"
    & skf21("4","5","3","1","5","7","6","1") = "6"
    & skf21("4","5","3","1","5","7","7","1") = "6"
    & skf21("4","5","3","1","6","1","1","1") = "5"
    & skf21("4","5","3","1","6","1","2","1") = "5"
    & skf21("4","5","3","1","6","1","3","1") = "5"
    & skf21("4","5","3","1","6","1","4","1") = "5"
    & skf21("4","5","3","1","6","1","5","1") = "5"
    & skf21("4","5","3","1","6","1","6","1") = "5"
    & skf21("4","5","3","1","6","1","7","1") = "6"
    & skf21("4","5","3","1","6","2","1","1") = "5"
    & skf21("4","5","3","1","6","2","2","1") = "5"
    & skf21("4","5","3","1","6","2","3","1") = "5"
    & skf21("4","5","3","1","6","2","4","1") = "5"
    & skf21("4","5","3","1","6","2","5","1") = "5"
    & skf21("4","5","3","1","6","2","6","1") = "5"
    & skf21("4","5","3","1","6","2","7","1") = "6"
    & skf21("4","5","3","1","6","3","1","1") = "5"
    & skf21("4","5","3","1","6","3","2","1") = "5"
    & skf21("4","5","3","1","6","3","3","1") = "5"
    & skf21("4","5","3","1","6","3","4","1") = "5"
    & skf21("4","5","3","1","6","3","5","1") = "5"
    & skf21("4","5","3","1","6","3","6","1") = "5"
    & skf21("4","5","3","1","6","3","7","1") = "6"
    & skf21("4","5","3","1","6","4","1","1") = "5"
    & skf21("4","5","3","1","6","4","2","1") = "5"
    & skf21("4","5","3","1","6","4","3","1") = "5"
    & skf21("4","5","3","1","6","4","4","1") = "5"
    & skf21("4","5","3","1","6","4","5","1") = "5"
    & skf21("4","5","3","1","6","4","6","1") = "5"
    & skf21("4","5","3","1","6","4","7","1") = "6"
    & skf21("4","5","3","1","6","5","1","1") = "5"
    & skf21("4","5","3","1","6","5","2","1") = "5"
    & skf21("4","5","3","1","6","5","3","1") = "5"
    & skf21("4","5","3","1","6","5","4","1") = "5"
    & skf21("4","5","3","1","6","5","5","1") = "5"
    & skf21("4","5","3","1","6","5","6","1") = "5"
    & skf21("4","5","3","1","6","5","7","1") = "6"
    & skf21("4","5","3","1","6","6","1","1") = "5"
    & skf21("4","5","3","1","6","6","2","1") = "5"
    & skf21("4","5","3","1","6","6","3","1") = "5"
    & skf21("4","5","3","1","6","6","4","1") = "5"
    & skf21("4","5","3","1","6","6","5","1") = "5"
    & skf21("4","5","3","1","6","6","6","1") = "5"
    & skf21("4","5","3","1","6","6","7","1") = "6"
    & skf21("4","5","3","1","6","7","1","1") = "6"
    & skf21("4","5","3","1","6","7","2","1") = "6"
    & skf21("4","5","3","1","6","7","3","1") = "6"
    & skf21("4","5","3","1","6","7","4","1") = "6"
    & skf21("4","5","3","1","6","7","5","1") = "6"
    & skf21("4","5","3","1","6","7","6","1") = "6"
    & skf21("4","5","3","1","6","7","7","1") = "6"
    & skf21("4","5","3","1","7","1","1","1") = "6"
    & skf21("4","5","3","1","7","1","2","1") = "6"
    & skf21("4","5","3","1","7","1","3","1") = "6"
    & skf21("4","5","3","1","7","1","4","1") = "6"
    & skf21("4","5","3","1","7","1","5","1") = "6"
    & skf21("4","5","3","1","7","1","6","1") = "6"
    & skf21("4","5","3","1","7","1","7","1") = "6"
    & skf21("4","5","3","1","7","2","1","1") = "6"
    & skf21("4","5","3","1","7","2","2","1") = "6"
    & skf21("4","5","3","1","7","2","3","1") = "6"
    & skf21("4","5","3","1","7","2","4","1") = "6"
    & skf21("4","5","3","1","7","2","5","1") = "6"
    & skf21("4","5","3","1","7","2","6","1") = "6"
    & skf21("4","5","3","1","7","2","7","1") = "6"
    & skf21("4","5","3","1","7","3","1","1") = "6"
    & skf21("4","5","3","1","7","3","2","1") = "6"
    & skf21("4","5","3","1","7","3","3","1") = "6"
    & skf21("4","5","3","1","7","3","4","1") = "6"
    & skf21("4","5","3","1","7","3","5","1") = "6"
    & skf21("4","5","3","1","7","3","6","1") = "6"
    & skf21("4","5","3","1","7","3","7","1") = "6"
    & skf21("4","5","3","1","7","4","1","1") = "6"
    & skf21("4","5","3","1","7","4","2","1") = "6"
    & skf21("4","5","3","1","7","4","3","1") = "6"
    & skf21("4","5","3","1","7","4","4","1") = "6"
    & skf21("4","5","3","1","7","4","5","1") = "6"
    & skf21("4","5","3","1","7","4","6","1") = "6"
    & skf21("4","5","3","1","7","4","7","1") = "6"
    & skf21("4","5","3","1","7","5","1","1") = "6"
    & skf21("4","5","3","1","7","5","2","1") = "6"
    & skf21("4","5","3","1","7","5","3","1") = "6"
    & skf21("4","5","3","1","7","5","4","1") = "6"
    & skf21("4","5","3","1","7","5","5","1") = "6"
    & skf21("4","5","3","1","7","5","6","1") = "6"
    & skf21("4","5","3","1","7","5","7","1") = "6"
    & skf21("4","5","3","1","7","6","1","1") = "6"
    & skf21("4","5","3","1","7","6","2","1") = "6"
    & skf21("4","5","3","1","7","6","3","1") = "6"
    & skf21("4","5","3","1","7","6","4","1") = "6"
    & skf21("4","5","3","1","7","6","5","1") = "6"
    & skf21("4","5","3","1","7","6","6","1") = "6"
    & skf21("4","5","3","1","7","6","7","1") = "6"
    & skf21("4","5","3","1","7","7","1","1") = "6"
    & skf21("4","5","3","1","7","7","2","1") = "6"
    & skf21("4","5","3","1","7","7","3","1") = "6"
    & skf21("4","5","3","1","7","7","4","1") = "6"
    & skf21("4","5","3","1","7","7","5","1") = "6"
    & skf21("4","5","3","1","7","7","6","1") = "6"
    & skf21("4","5","3","1","7","7","7","1") = "6"
    & skf21("4","5","3","2","1","1","1","1") = "4"
    & skf21("4","5","3","2","1","1","2","1") = "4"
    & skf21("4","5","3","2","1","1","3","1") = "4"
    & skf21("4","5","3","2","1","1","4","1") = "4"
    & skf21("4","5","3","2","1","1","5","1") = "4"
    & skf21("4","5","3","2","1","1","6","1") = "5"
    & skf21("4","5","3","2","1","1","7","1") = "6"
    & skf21("4","5","3","2","1","2","1","1") = "4"
    & skf21("4","5","3","2","1","2","2","1") = "4"
    & skf21("4","5","3","2","1","2","3","1") = "4"
    & skf21("4","5","3","2","1","2","4","1") = "4"
    & skf21("4","5","3","2","1","2","5","1") = "4"
    & skf21("4","5","3","2","1","2","6","1") = "5"
    & skf21("4","5","3","2","1","2","7","1") = "6"
    & skf21("4","5","3","2","1","3","1","1") = "4"
    & skf21("4","5","3","2","1","3","2","1") = "4"
    & skf21("4","5","3","2","1","3","3","1") = "4"
    & skf21("4","5","3","2","1","3","4","1") = "4"
    & skf21("4","5","3","2","1","3","5","1") = "4"
    & skf21("4","5","3","2","1","3","6","1") = "5"
    & skf21("4","5","3","2","1","3","7","1") = "6"
    & skf21("4","5","3","2","1","4","1","1") = "4"
    & skf21("4","5","3","2","1","4","2","1") = "4"
    & skf21("4","5","3","2","1","4","3","1") = "4"
    & skf21("4","5","3","2","1","4","4","1") = "4"
    & skf21("4","5","3","2","1","4","5","1") = "4"
    & skf21("4","5","3","2","1","4","6","1") = "5"
    & skf21("4","5","3","2","1","4","7","1") = "6"
    & skf21("4","5","3","2","1","5","1","1") = "4"
    & skf21("4","5","3","2","1","5","2","1") = "4"
    & skf21("4","5","3","2","1","5","3","1") = "4"
    & skf21("4","5","3","2","1","5","4","1") = "4"
    & skf21("4","5","3","2","1","5","5","1") = "4"
    & skf21("4","5","3","2","1","5","6","1") = "5"
    & skf21("4","5","3","2","1","5","7","1") = "6"
    & skf21("4","5","3","2","1","6","1","1") = "5"
    & skf21("4","5","3","2","1","6","2","1") = "5"
    & skf21("4","5","3","2","1","6","3","1") = "5"
    & skf21("4","5","3","2","1","6","4","1") = "5"
    & skf21("4","5","3","2","1","6","5","1") = "5"
    & skf21("4","5","3","2","1","6","6","1") = "5"
    & skf21("4","5","3","2","1","6","7","1") = "6"
    & skf21("4","5","3","2","1","7","1","1") = "6"
    & skf21("4","5","3","2","1","7","2","1") = "6"
    & skf21("4","5","3","2","1","7","3","1") = "6"
    & skf21("4","5","3","2","1","7","4","1") = "6"
    & skf21("4","5","3","2","1","7","5","1") = "6"
    & skf21("4","5","3","2","1","7","6","1") = "6"
    & skf21("4","5","3","2","1","7","7","1") = "6"
    & skf21("4","5","3","2","2","1","1","1") = "4"
    & skf21("4","5","3","2","2","1","2","1") = "4"
    & skf21("4","5","3","2","2","1","3","1") = "4"
    & skf21("4","5","3","2","2","1","4","1") = "4"
    & skf21("4","5","3","2","2","1","5","1") = "4"
    & skf21("4","5","3","2","2","1","6","1") = "5"
    & skf21("4","5","3","2","2","1","7","1") = "6"
    & skf21("4","5","3","2","2","2","1","1") = "4"
    & skf21("4","5","3","2","2","2","2","1") = "4"
    & skf21("4","5","3","2","2","2","3","1") = "4"
    & skf21("4","5","3","2","2","2","4","1") = "4"
    & skf21("4","5","3","2","2","2","5","1") = "4"
    & skf21("4","5","3","2","2","2","6","1") = "5"
    & skf21("4","5","3","2","2","2","7","1") = "6"
    & skf21("4","5","3","2","2","3","1","1") = "4"
    & skf21("4","5","3","2","2","3","2","1") = "4"
    & skf21("4","5","3","2","2","3","3","1") = "4"
    & skf21("4","5","3","2","2","3","4","1") = "4"
    & skf21("4","5","3","2","2","3","5","1") = "4"
    & skf21("4","5","3","2","2","3","6","1") = "5"
    & skf21("4","5","3","2","2","3","7","1") = "6"
    & skf21("4","5","3","2","2","4","1","1") = "4"
    & skf21("4","5","3","2","2","4","2","1") = "4"
    & skf21("4","5","3","2","2","4","3","1") = "4"
    & skf21("4","5","3","2","2","4","4","1") = "4"
    & skf21("4","5","3","2","2","4","5","1") = "4"
    & skf21("4","5","3","2","2","4","6","1") = "5"
    & skf21("4","5","3","2","2","4","7","1") = "6"
    & skf21("4","5","3","2","2","5","1","1") = "4"
    & skf21("4","5","3","2","2","5","2","1") = "4"
    & skf21("4","5","3","2","2","5","3","1") = "4"
    & skf21("4","5","3","2","2","5","4","1") = "4"
    & skf21("4","5","3","2","2","5","5","1") = "4"
    & skf21("4","5","3","2","2","5","6","1") = "5"
    & skf21("4","5","3","2","2","5","7","1") = "6"
    & skf21("4","5","3","2","2","6","1","1") = "5"
    & skf21("4","5","3","2","2","6","2","1") = "5"
    & skf21("4","5","3","2","2","6","3","1") = "5"
    & skf21("4","5","3","2","2","6","4","1") = "5"
    & skf21("4","5","3","2","2","6","5","1") = "5"
    & skf21("4","5","3","2","2","6","6","1") = "5"
    & skf21("4","5","3","2","2","6","7","1") = "6"
    & skf21("4","5","3","2","2","7","1","1") = "6"
    & skf21("4","5","3","2","2","7","2","1") = "6"
    & skf21("4","5","3","2","2","7","3","1") = "6"
    & skf21("4","5","3","2","2","7","4","1") = "6"
    & skf21("4","5","3","2","2","7","5","1") = "6"
    & skf21("4","5","3","2","2","7","6","1") = "6"
    & skf21("4","5","3","2","2","7","7","1") = "6"
    & skf21("4","5","3","2","3","1","1","1") = "4"
    & skf21("4","5","3","2","3","1","2","1") = "4"
    & skf21("4","5","3","2","3","1","3","1") = "4"
    & skf21("4","5","3","2","3","1","4","1") = "4"
    & skf21("4","5","3","2","3","1","5","1") = "4"
    & skf21("4","5","3","2","3","1","6","1") = "5"
    & skf21("4","5","3","2","3","1","7","1") = "6"
    & skf21("4","5","3","2","3","2","1","1") = "4"
    & skf21("4","5","3","2","3","2","2","1") = "4"
    & skf21("4","5","3","2","3","2","3","1") = "4"
    & skf21("4","5","3","2","3","2","4","1") = "4"
    & skf21("4","5","3","2","3","2","5","1") = "4"
    & skf21("4","5","3","2","3","2","6","1") = "5"
    & skf21("4","5","3","2","3","2","7","1") = "6"
    & skf21("4","5","3","2","3","3","1","1") = "4"
    & skf21("4","5","3","2","3","3","2","1") = "4"
    & skf21("4","5","3","2","3","3","3","1") = "4"
    & skf21("4","5","3","2","3","3","4","1") = "4"
    & skf21("4","5","3","2","3","3","5","1") = "4"
    & skf21("4","5","3","2","3","3","6","1") = "5"
    & skf21("4","5","3","2","3","3","7","1") = "6"
    & skf21("4","5","3","2","3","4","1","1") = "4"
    & skf21("4","5","3","2","3","4","2","1") = "4"
    & skf21("4","5","3","2","3","4","3","1") = "4"
    & skf21("4","5","3","2","3","4","4","1") = "4"
    & skf21("4","5","3","2","3","4","5","1") = "4"
    & skf21("4","5","3","2","3","4","6","1") = "5"
    & skf21("4","5","3","2","3","4","7","1") = "6"
    & skf21("4","5","3","2","3","5","1","1") = "4"
    & skf21("4","5","3","2","3","5","2","1") = "4"
    & skf21("4","5","3","2","3","5","3","1") = "4"
    & skf21("4","5","3","2","3","5","4","1") = "4"
    & skf21("4","5","3","2","3","5","5","1") = "4"
    & skf21("4","5","3","2","3","5","6","1") = "5"
    & skf21("4","5","3","2","3","5","7","1") = "6"
    & skf21("4","5","3","2","3","6","1","1") = "5"
    & skf21("4","5","3","2","3","6","2","1") = "5"
    & skf21("4","5","3","2","3","6","3","1") = "5"
    & skf21("4","5","3","2","3","6","4","1") = "5"
    & skf21("4","5","3","2","3","6","5","1") = "5"
    & skf21("4","5","3","2","3","6","6","1") = "5"
    & skf21("4","5","3","2","3","6","7","1") = "6"
    & skf21("4","5","3","2","3","7","1","1") = "6"
    & skf21("4","5","3","2","3","7","2","1") = "6"
    & skf21("4","5","3","2","3","7","3","1") = "6"
    & skf21("4","5","3","2","3","7","4","1") = "6"
    & skf21("4","5","3","2","3","7","5","1") = "6"
    & skf21("4","5","3","2","3","7","6","1") = "6"
    & skf21("4","5","3","2","3","7","7","1") = "6"
    & skf21("4","5","3","2","4","1","1","1") = "4"
    & skf21("4","5","3","2","4","1","2","1") = "4"
    & skf21("4","5","3","2","4","1","3","1") = "4"
    & skf21("4","5","3","2","4","1","4","1") = "4"
    & skf21("4","5","3","2","4","1","5","1") = "4"
    & skf21("4","5","3","2","4","1","6","1") = "5"
    & skf21("4","5","3","2","4","1","7","1") = "6"
    & skf21("4","5","3","2","4","2","1","1") = "4"
    & skf21("4","5","3","2","4","2","2","1") = "4"
    & skf21("4","5","3","2","4","2","3","1") = "4"
    & skf21("4","5","3","2","4","2","4","1") = "4"
    & skf21("4","5","3","2","4","2","5","1") = "4"
    & skf21("4","5","3","2","4","2","6","1") = "5"
    & skf21("4","5","3","2","4","2","7","1") = "6"
    & skf21("4","5","3","2","4","3","1","1") = "4"
    & skf21("4","5","3","2","4","3","2","1") = "4"
    & skf21("4","5","3","2","4","3","3","1") = "4"
    & skf21("4","5","3","2","4","3","4","1") = "4"
    & skf21("4","5","3","2","4","3","5","1") = "4"
    & skf21("4","5","3","2","4","3","6","1") = "5"
    & skf21("4","5","3","2","4","3","7","1") = "6"
    & skf21("4","5","3","2","4","4","1","1") = "4"
    & skf21("4","5","3","2","4","4","2","1") = "4"
    & skf21("4","5","3","2","4","4","3","1") = "4"
    & skf21("4","5","3","2","4","4","4","1") = "4"
    & skf21("4","5","3","2","4","4","5","1") = "4"
    & skf21("4","5","3","2","4","4","6","1") = "5"
    & skf21("4","5","3","2","4","4","7","1") = "6"
    & skf21("4","5","3","2","4","5","1","1") = "4"
    & skf21("4","5","3","2","4","5","2","1") = "4"
    & skf21("4","5","3","2","4","5","3","1") = "4"
    & skf21("4","5","3","2","4","5","4","1") = "4"
    & skf21("4","5","3","2","4","5","5","1") = "4"
    & skf21("4","5","3","2","4","5","6","1") = "5"
    & skf21("4","5","3","2","4","5","7","1") = "6"
    & skf21("4","5","3","2","4","6","1","1") = "5"
    & skf21("4","5","3","2","4","6","2","1") = "5"
    & skf21("4","5","3","2","4","6","3","1") = "5"
    & skf21("4","5","3","2","4","6","4","1") = "5"
    & skf21("4","5","3","2","4","6","5","1") = "5"
    & skf21("4","5","3","2","4","6","6","1") = "5"
    & skf21("4","5","3","2","4","6","7","1") = "6"
    & skf21("4","5","3","2","4","7","1","1") = "6"
    & skf21("4","5","3","2","4","7","2","1") = "6"
    & skf21("4","5","3","2","4","7","3","1") = "6"
    & skf21("4","5","3","2","4","7","4","1") = "6"
    & skf21("4","5","3","2","4","7","5","1") = "6"
    & skf21("4","5","3","2","4","7","6","1") = "6"
    & skf21("4","5","3","2","4","7","7","1") = "6"
    & skf21("4","5","3","2","5","1","1","1") = "4"
    & skf21("4","5","3","2","5","1","2","1") = "4"
    & skf21("4","5","3","2","5","1","3","1") = "4"
    & skf21("4","5","3","2","5","1","4","1") = "4"
    & skf21("4","5","3","2","5","1","5","1") = "4"
    & skf21("4","5","3","2","5","1","6","1") = "5"
    & skf21("4","5","3","2","5","1","7","1") = "6"
    & skf21("4","5","3","2","5","2","1","1") = "4"
    & skf21("4","5","3","2","5","2","2","1") = "4"
    & skf21("4","5","3","2","5","2","3","1") = "4"
    & skf21("4","5","3","2","5","2","4","1") = "4"
    & skf21("4","5","3","2","5","2","5","1") = "4"
    & skf21("4","5","3","2","5","2","6","1") = "5"
    & skf21("4","5","3","2","5","2","7","1") = "6"
    & skf21("4","5","3","2","5","3","1","1") = "4"
    & skf21("4","5","3","2","5","3","2","1") = "4"
    & skf21("4","5","3","2","5","3","3","1") = "4"
    & skf21("4","5","3","2","5","3","4","1") = "4"
    & skf21("4","5","3","2","5","3","5","1") = "4"
    & skf21("4","5","3","2","5","3","6","1") = "5"
    & skf21("4","5","3","2","5","3","7","1") = "6"
    & skf21("4","5","3","2","5","4","1","1") = "4"
    & skf21("4","5","3","2","5","4","2","1") = "4"
    & skf21("4","5","3","2","5","4","3","1") = "4"
    & skf21("4","5","3","2","5","4","4","1") = "4"
    & skf21("4","5","3","2","5","4","5","1") = "4"
    & skf21("4","5","3","2","5","4","6","1") = "5"
    & skf21("4","5","3","2","5","4","7","1") = "6"
    & skf21("4","5","3","2","5","5","1","1") = "4"
    & skf21("4","5","3","2","5","5","2","1") = "4"
    & skf21("4","5","3","2","5","5","3","1") = "4"
    & skf21("4","5","3","2","5","5","4","1") = "4"
    & skf21("4","5","3","2","5","5","5","1") = "4"
    & skf21("4","5","3","2","5","5","6","1") = "5"
    & skf21("4","5","3","2","5","5","7","1") = "6"
    & skf21("4","5","3","2","5","6","1","1") = "5"
    & skf21("4","5","3","2","5","6","2","1") = "5"
    & skf21("4","5","3","2","5","6","3","1") = "5"
    & skf21("4","5","3","2","5","6","4","1") = "5"
    & skf21("4","5","3","2","5","6","5","1") = "5"
    & skf21("4","5","3","2","5","6","6","1") = "5"
    & skf21("4","5","3","2","5","6","7","1") = "6"
    & skf21("4","5","3","2","5","7","1","1") = "6"
    & skf21("4","5","3","2","5","7","2","1") = "6"
    & skf21("4","5","3","2","5","7","3","1") = "6"
    & skf21("4","5","3","2","5","7","4","1") = "6"
    & skf21("4","5","3","2","5","7","5","1") = "6"
    & skf21("4","5","3","2","5","7","6","1") = "6"
    & skf21("4","5","3","2","5","7","7","1") = "6"
    & skf21("4","5","3","2","6","1","1","1") = "5"
    & skf21("4","5","3","2","6","1","2","1") = "5"
    & skf21("4","5","3","2","6","1","3","1") = "5"
    & skf21("4","5","3","2","6","1","4","1") = "5"
    & skf21("4","5","3","2","6","1","5","1") = "5"
    & skf21("4","5","3","2","6","1","6","1") = "5"
    & skf21("4","5","3","2","6","1","7","1") = "6"
    & skf21("4","5","3","2","6","2","1","1") = "5"
    & skf21("4","5","3","2","6","2","2","1") = "5"
    & skf21("4","5","3","2","6","2","3","1") = "5"
    & skf21("4","5","3","2","6","2","4","1") = "5"
    & skf21("4","5","3","2","6","2","5","1") = "5"
    & skf21("4","5","3","2","6","2","6","1") = "5"
    & skf21("4","5","3","2","6","2","7","1") = "6"
    & skf21("4","5","3","2","6","3","1","1") = "5"
    & skf21("4","5","3","2","6","3","2","1") = "5"
    & skf21("4","5","3","2","6","3","3","1") = "5"
    & skf21("4","5","3","2","6","3","4","1") = "5"
    & skf21("4","5","3","2","6","3","5","1") = "5"
    & skf21("4","5","3","2","6","3","6","1") = "5"
    & skf21("4","5","3","2","6","3","7","1") = "6"
    & skf21("4","5","3","2","6","4","1","1") = "5"
    & skf21("4","5","3","2","6","4","2","1") = "5"
    & skf21("4","5","3","2","6","4","3","1") = "5"
    & skf21("4","5","3","2","6","4","4","1") = "5"
    & skf21("4","5","3","2","6","4","5","1") = "5"
    & skf21("4","5","3","2","6","4","6","1") = "5"
    & skf21("4","5","3","2","6","4","7","1") = "6"
    & skf21("4","5","3","2","6","5","1","1") = "5"
    & skf21("4","5","3","2","6","5","2","1") = "5"
    & skf21("4","5","3","2","6","5","3","1") = "5"
    & skf21("4","5","3","2","6","5","4","1") = "5"
    & skf21("4","5","3","2","6","5","5","1") = "5"
    & skf21("4","5","3","2","6","5","6","1") = "5"
    & skf21("4","5","3","2","6","5","7","1") = "6"
    & skf21("4","5","3","2","6","6","1","1") = "5"
    & skf21("4","5","3","2","6","6","2","1") = "5"
    & skf21("4","5","3","2","6","6","3","1") = "5"
    & skf21("4","5","3","2","6","6","4","1") = "5"
    & skf21("4","5","3","2","6","6","5","1") = "5"
    & skf21("4","5","3","2","6","6","6","1") = "5"
    & skf21("4","5","3","2","6","6","7","1") = "6"
    & skf21("4","5","3","2","6","7","1","1") = "6"
    & skf21("4","5","3","2","6","7","2","1") = "6"
    & skf21("4","5","3","2","6","7","3","1") = "6"
    & skf21("4","5","3","2","6","7","4","1") = "6"
    & skf21("4","5","3","2","6","7","5","1") = "6"
    & skf21("4","5","3","2","6","7","6","1") = "6"
    & skf21("4","5","3","2","6","7","7","1") = "6"
    & skf21("4","5","3","2","7","1","1","1") = "6"
    & skf21("4","5","3","2","7","1","2","1") = "6"
    & skf21("4","5","3","2","7","1","3","1") = "6"
    & skf21("4","5","3","2","7","1","4","1") = "6"
    & skf21("4","5","3","2","7","1","5","1") = "6"
    & skf21("4","5","3","2","7","1","6","1") = "6"
    & skf21("4","5","3","2","7","1","7","1") = "6"
    & skf21("4","5","3","2","7","2","1","1") = "6"
    & skf21("4","5","3","2","7","2","2","1") = "6"
    & skf21("4","5","3","2","7","2","3","1") = "6"
    & skf21("4","5","3","2","7","2","4","1") = "6"
    & skf21("4","5","3","2","7","2","5","1") = "6"
    & skf21("4","5","3","2","7","2","6","1") = "6"
    & skf21("4","5","3","2","7","2","7","1") = "6"
    & skf21("4","5","3","2","7","3","1","1") = "6"
    & skf21("4","5","3","2","7","3","2","1") = "6"
    & skf21("4","5","3","2","7","3","3","1") = "6"
    & skf21("4","5","3","2","7","3","4","1") = "6"
    & skf21("4","5","3","2","7","3","5","1") = "6"
    & skf21("4","5","3","2","7","3","6","1") = "6"
    & skf21("4","5","3","2","7","3","7","1") = "6"
    & skf21("4","5","3","2","7","4","1","1") = "6"
    & skf21("4","5","3","2","7","4","2","1") = "6"
    & skf21("4","5","3","2","7","4","3","1") = "6"
    & skf21("4","5","3","2","7","4","4","1") = "6"
    & skf21("4","5","3","2","7","4","5","1") = "6"
    & skf21("4","5","3","2","7","4","6","1") = "6"
    & skf21("4","5","3","2","7","4","7","1") = "6"
    & skf21("4","5","3","2","7","5","1","1") = "6"
    & skf21("4","5","3","2","7","5","2","1") = "6"
    & skf21("4","5","3","2","7","5","3","1") = "6"
    & skf21("4","5","3","2","7","5","4","1") = "6"
    & skf21("4","5","3","2","7","5","5","1") = "6"
    & skf21("4","5","3","2","7","5","6","1") = "6"
    & skf21("4","5","3","2","7","5","7","1") = "6"
    & skf21("4","5","3","2","7","6","1","1") = "6"
    & skf21("4","5","3","2","7","6","2","1") = "6"
    & skf21("4","5","3","2","7","6","3","1") = "6"
    & skf21("4","5","3","2","7","6","4","1") = "6"
    & skf21("4","5","3","2","7","6","5","1") = "6"
    & skf21("4","5","3","2","7","6","6","1") = "6"
    & skf21("4","5","3","2","7","6","7","1") = "6"
    & skf21("4","5","3","2","7","7","1","1") = "6"
    & skf21("4","5","3","2","7","7","2","1") = "6"
    & skf21("4","5","3","2","7","7","3","1") = "6"
    & skf21("4","5","3","2","7","7","4","1") = "6"
    & skf21("4","5","3","2","7","7","5","1") = "6"
    & skf21("4","5","3","2","7","7","6","1") = "6"
    & skf21("4","5","3","2","7","7","7","1") = "6"
    & skf21("4","5","3","3","1","1","1","1") = "4"
    & skf21("4","5","3","3","1","1","2","1") = "4"
    & skf21("4","5","3","3","1","1","3","1") = "4"
    & skf21("4","5","3","3","1","1","4","1") = "4"
    & skf21("4","5","3","3","1","1","5","1") = "4"
    & skf21("4","5","3","3","1","1","6","1") = "5"
    & skf21("4","5","3","3","1","1","7","1") = "6"
    & skf21("4","5","3","3","1","2","1","1") = "4"
    & skf21("4","5","3","3","1","2","2","1") = "4"
    & skf21("4","5","3","3","1","2","3","1") = "4"
    & skf21("4","5","3","3","1","2","4","1") = "4"
    & skf21("4","5","3","3","1","2","5","1") = "4"
    & skf21("4","5","3","3","1","2","6","1") = "5"
    & skf21("4","5","3","3","1","2","7","1") = "6"
    & skf21("4","5","3","3","1","3","1","1") = "4"
    & skf21("4","5","3","3","1","3","2","1") = "4"
    & skf21("4","5","3","3","1","3","3","1") = "4"
    & skf21("4","5","3","3","1","3","4","1") = "4"
    & skf21("4","5","3","3","1","3","5","1") = "4"
    & skf21("4","5","3","3","1","3","6","1") = "5"
    & skf21("4","5","3","3","1","3","7","1") = "6"
    & skf21("4","5","3","3","1","4","1","1") = "4"
    & skf21("4","5","3","3","1","4","2","1") = "4"
    & skf21("4","5","3","3","1","4","3","1") = "4"
    & skf21("4","5","3","3","1","4","4","1") = "4"
    & skf21("4","5","3","3","1","4","5","1") = "4"
    & skf21("4","5","3","3","1","4","6","1") = "5"
    & skf21("4","5","3","3","1","4","7","1") = "6"
    & skf21("4","5","3","3","1","5","1","1") = "4"
    & skf21("4","5","3","3","1","5","2","1") = "4"
    & skf21("4","5","3","3","1","5","3","1") = "4"
    & skf21("4","5","3","3","1","5","4","1") = "4"
    & skf21("4","5","3","3","1","5","5","1") = "4"
    & skf21("4","5","3","3","1","5","6","1") = "5"
    & skf21("4","5","3","3","1","5","7","1") = "6"
    & skf21("4","5","3","3","1","6","1","1") = "5"
    & skf21("4","5","3","3","1","6","2","1") = "5"
    & skf21("4","5","3","3","1","6","3","1") = "5"
    & skf21("4","5","3","3","1","6","4","1") = "5"
    & skf21("4","5","3","3","1","6","5","1") = "5"
    & skf21("4","5","3","3","1","6","6","1") = "5"
    & skf21("4","5","3","3","1","6","7","1") = "6"
    & skf21("4","5","3","3","1","7","1","1") = "6"
    & skf21("4","5","3","3","1","7","2","1") = "6"
    & skf21("4","5","3","3","1","7","3","1") = "6"
    & skf21("4","5","3","3","1","7","4","1") = "6"
    & skf21("4","5","3","3","1","7","5","1") = "6"
    & skf21("4","5","3","3","1","7","6","1") = "6"
    & skf21("4","5","3","3","1","7","7","1") = "6"
    & skf21("4","5","3","3","2","1","1","1") = "4"
    & skf21("4","5","3","3","2","1","2","1") = "4"
    & skf21("4","5","3","3","2","1","3","1") = "4"
    & skf21("4","5","3","3","2","1","4","1") = "4"
    & skf21("4","5","3","3","2","1","5","1") = "4"
    & skf21("4","5","3","3","2","1","6","1") = "5"
    & skf21("4","5","3","3","2","1","7","1") = "6"
    & skf21("4","5","3","3","2","2","1","1") = "4"
    & skf21("4","5","3","3","2","2","2","1") = "4"
    & skf21("4","5","3","3","2","2","3","1") = "4"
    & skf21("4","5","3","3","2","2","4","1") = "4"
    & skf21("4","5","3","3","2","2","5","1") = "4"
    & skf21("4","5","3","3","2","2","6","1") = "5"
    & skf21("4","5","3","3","2","2","7","1") = "6"
    & skf21("4","5","3","3","2","3","1","1") = "4"
    & skf21("4","5","3","3","2","3","2","1") = "4"
    & skf21("4","5","3","3","2","3","3","1") = "4"
    & skf21("4","5","3","3","2","3","4","1") = "4"
    & skf21("4","5","3","3","2","3","5","1") = "4"
    & skf21("4","5","3","3","2","3","6","1") = "5"
    & skf21("4","5","3","3","2","3","7","1") = "6"
    & skf21("4","5","3","3","2","4","1","1") = "4"
    & skf21("4","5","3","3","2","4","2","1") = "4"
    & skf21("4","5","3","3","2","4","3","1") = "4"
    & skf21("4","5","3","3","2","4","4","1") = "4"
    & skf21("4","5","3","3","2","4","5","1") = "4"
    & skf21("4","5","3","3","2","4","6","1") = "5"
    & skf21("4","5","3","3","2","4","7","1") = "6"
    & skf21("4","5","3","3","2","5","1","1") = "4"
    & skf21("4","5","3","3","2","5","2","1") = "4"
    & skf21("4","5","3","3","2","5","3","1") = "4"
    & skf21("4","5","3","3","2","5","4","1") = "4"
    & skf21("4","5","3","3","2","5","5","1") = "4"
    & skf21("4","5","3","3","2","5","6","1") = "5"
    & skf21("4","5","3","3","2","5","7","1") = "6"
    & skf21("4","5","3","3","2","6","1","1") = "5"
    & skf21("4","5","3","3","2","6","2","1") = "5"
    & skf21("4","5","3","3","2","6","3","1") = "5"
    & skf21("4","5","3","3","2","6","4","1") = "5"
    & skf21("4","5","3","3","2","6","5","1") = "5"
    & skf21("4","5","3","3","2","6","6","1") = "5"
    & skf21("4","5","3","3","2","6","7","1") = "6"
    & skf21("4","5","3","3","2","7","1","1") = "6"
    & skf21("4","5","3","3","2","7","2","1") = "6"
    & skf21("4","5","3","3","2","7","3","1") = "6"
    & skf21("4","5","3","3","2","7","4","1") = "6"
    & skf21("4","5","3","3","2","7","5","1") = "6"
    & skf21("4","5","3","3","2","7","6","1") = "6"
    & skf21("4","5","3","3","2","7","7","1") = "6"
    & skf21("4","5","3","3","3","1","1","1") = "4"
    & skf21("4","5","3","3","3","1","2","1") = "4"
    & skf21("4","5","3","3","3","1","3","1") = "4"
    & skf21("4","5","3","3","3","1","4","1") = "4"
    & skf21("4","5","3","3","3","1","5","1") = "4"
    & skf21("4","5","3","3","3","1","6","1") = "5"
    & skf21("4","5","3","3","3","1","7","1") = "6"
    & skf21("4","5","3","3","3","2","1","1") = "4"
    & skf21("4","5","3","3","3","2","2","1") = "4"
    & skf21("4","5","3","3","3","2","3","1") = "4"
    & skf21("4","5","3","3","3","2","4","1") = "4"
    & skf21("4","5","3","3","3","2","5","1") = "4"
    & skf21("4","5","3","3","3","2","6","1") = "5"
    & skf21("4","5","3","3","3","2","7","1") = "6"
    & skf21("4","5","3","3","3","3","1","1") = "4"
    & skf21("4","5","3","3","3","3","2","1") = "4"
    & skf21("4","5","3","3","3","3","3","1") = "4"
    & skf21("4","5","3","3","3","3","4","1") = "4"
    & skf21("4","5","3","3","3","3","5","1") = "4"
    & skf21("4","5","3","3","3","3","6","1") = "5"
    & skf21("4","5","3","3","3","3","7","1") = "6"
    & skf21("4","5","3","3","3","4","1","1") = "4"
    & skf21("4","5","3","3","3","4","2","1") = "4"
    & skf21("4","5","3","3","3","4","3","1") = "4"
    & skf21("4","5","3","3","3","4","4","1") = "4"
    & skf21("4","5","3","3","3","4","5","1") = "4"
    & skf21("4","5","3","3","3","4","6","1") = "5"
    & skf21("4","5","3","3","3","4","7","1") = "6"
    & skf21("4","5","3","3","3","5","1","1") = "4"
    & skf21("4","5","3","3","3","5","2","1") = "4"
    & skf21("4","5","3","3","3","5","3","1") = "4"
    & skf21("4","5","3","3","3","5","4","1") = "4"
    & skf21("4","5","3","3","3","5","5","1") = "4"
    & skf21("4","5","3","3","3","5","6","1") = "5"
    & skf21("4","5","3","3","3","5","7","1") = "6"
    & skf21("4","5","3","3","3","6","1","1") = "5"
    & skf21("4","5","3","3","3","6","2","1") = "5"
    & skf21("4","5","3","3","3","6","3","1") = "5"
    & skf21("4","5","3","3","3","6","4","1") = "5"
    & skf21("4","5","3","3","3","6","5","1") = "5"
    & skf21("4","5","3","3","3","6","6","1") = "5"
    & skf21("4","5","3","3","3","6","7","1") = "6"
    & skf21("4","5","3","3","3","7","1","1") = "6"
    & skf21("4","5","3","3","3","7","2","1") = "6"
    & skf21("4","5","3","3","3","7","3","1") = "6"
    & skf21("4","5","3","3","3","7","4","1") = "6"
    & skf21("4","5","3","3","3","7","5","1") = "6"
    & skf21("4","5","3","3","3","7","6","1") = "6"
    & skf21("4","5","3","3","3","7","7","1") = "6"
    & skf21("4","5","3","3","4","1","1","1") = "4"
    & skf21("4","5","3","3","4","1","2","1") = "4"
    & skf21("4","5","3","3","4","1","3","1") = "4"
    & skf21("4","5","3","3","4","1","4","1") = "4"
    & skf21("4","5","3","3","4","1","5","1") = "4"
    & skf21("4","5","3","3","4","1","6","1") = "5"
    & skf21("4","5","3","3","4","1","7","1") = "6"
    & skf21("4","5","3","3","4","2","1","1") = "4"
    & skf21("4","5","3","3","4","2","2","1") = "4"
    & skf21("4","5","3","3","4","2","3","1") = "4"
    & skf21("4","5","3","3","4","2","4","1") = "4"
    & skf21("4","5","3","3","4","2","5","1") = "4"
    & skf21("4","5","3","3","4","2","6","1") = "5"
    & skf21("4","5","3","3","4","2","7","1") = "6"
    & skf21("4","5","3","3","4","3","1","1") = "4"
    & skf21("4","5","3","3","4","3","2","1") = "4"
    & skf21("4","5","3","3","4","3","3","1") = "4"
    & skf21("4","5","3","3","4","3","4","1") = "4"
    & skf21("4","5","3","3","4","3","5","1") = "4"
    & skf21("4","5","3","3","4","3","6","1") = "5"
    & skf21("4","5","3","3","4","3","7","1") = "6"
    & skf21("4","5","3","3","4","4","1","1") = "4"
    & skf21("4","5","3","3","4","4","2","1") = "4"
    & skf21("4","5","3","3","4","4","3","1") = "4"
    & skf21("4","5","3","3","4","4","4","1") = "4"
    & skf21("4","5","3","3","4","4","5","1") = "4"
    & skf21("4","5","3","3","4","4","6","1") = "5"
    & skf21("4","5","3","3","4","4","7","1") = "6"
    & skf21("4","5","3","3","4","5","1","1") = "4"
    & skf21("4","5","3","3","4","5","2","1") = "4"
    & skf21("4","5","3","3","4","5","3","1") = "4"
    & skf21("4","5","3","3","4","5","4","1") = "4"
    & skf21("4","5","3","3","4","5","5","1") = "4"
    & skf21("4","5","3","3","4","5","6","1") = "5"
    & skf21("4","5","3","3","4","5","7","1") = "6"
    & skf21("4","5","3","3","4","6","1","1") = "5"
    & skf21("4","5","3","3","4","6","2","1") = "5"
    & skf21("4","5","3","3","4","6","3","1") = "5"
    & skf21("4","5","3","3","4","6","4","1") = "5"
    & skf21("4","5","3","3","4","6","5","1") = "5"
    & skf21("4","5","3","3","4","6","6","1") = "5"
    & skf21("4","5","3","3","4","6","7","1") = "6"
    & skf21("4","5","3","3","4","7","1","1") = "6"
    & skf21("4","5","3","3","4","7","2","1") = "6"
    & skf21("4","5","3","3","4","7","3","1") = "6"
    & skf21("4","5","3","3","4","7","4","1") = "6"
    & skf21("4","5","3","3","4","7","5","1") = "6"
    & skf21("4","5","3","3","4","7","6","1") = "6"
    & skf21("4","5","3","3","4","7","7","1") = "6"
    & skf21("4","5","3","3","5","1","1","1") = "4"
    & skf21("4","5","3","3","5","1","2","1") = "4"
    & skf21("4","5","3","3","5","1","3","1") = "4"
    & skf21("4","5","3","3","5","1","4","1") = "4"
    & skf21("4","5","3","3","5","1","5","1") = "4"
    & skf21("4","5","3","3","5","1","6","1") = "5"
    & skf21("4","5","3","3","5","1","7","1") = "6"
    & skf21("4","5","3","3","5","2","1","1") = "4"
    & skf21("4","5","3","3","5","2","2","1") = "4"
    & skf21("4","5","3","3","5","2","3","1") = "4"
    & skf21("4","5","3","3","5","2","4","1") = "4"
    & skf21("4","5","3","3","5","2","5","1") = "4"
    & skf21("4","5","3","3","5","2","6","1") = "5"
    & skf21("4","5","3","3","5","2","7","1") = "6"
    & skf21("4","5","3","3","5","3","1","1") = "4"
    & skf21("4","5","3","3","5","3","2","1") = "4"
    & skf21("4","5","3","3","5","3","3","1") = "4"
    & skf21("4","5","3","3","5","3","4","1") = "4"
    & skf21("4","5","3","3","5","3","5","1") = "4"
    & skf21("4","5","3","3","5","3","6","1") = "5"
    & skf21("4","5","3","3","5","3","7","1") = "6"
    & skf21("4","5","3","3","5","4","1","1") = "4"
    & skf21("4","5","3","3","5","4","2","1") = "4"
    & skf21("4","5","3","3","5","4","3","1") = "4"
    & skf21("4","5","3","3","5","4","4","1") = "4"
    & skf21("4","5","3","3","5","4","5","1") = "4"
    & skf21("4","5","3","3","5","4","6","1") = "5"
    & skf21("4","5","3","3","5","4","7","1") = "6"
    & skf21("4","5","3","3","5","5","1","1") = "4"
    & skf21("4","5","3","3","5","5","2","1") = "4"
    & skf21("4","5","3","3","5","5","3","1") = "4"
    & skf21("4","5","3","3","5","5","4","1") = "4"
    & skf21("4","5","3","3","5","5","5","1") = "4"
    & skf21("4","5","3","3","5","5","6","1") = "5"
    & skf21("4","5","3","3","5","5","7","1") = "6"
    & skf21("4","5","3","3","5","6","1","1") = "5"
    & skf21("4","5","3","3","5","6","2","1") = "5"
    & skf21("4","5","3","3","5","6","3","1") = "5"
    & skf21("4","5","3","3","5","6","4","1") = "5"
    & skf21("4","5","3","3","5","6","5","1") = "5"
    & skf21("4","5","3","3","5","6","6","1") = "5"
    & skf21("4","5","3","3","5","6","7","1") = "6"
    & skf21("4","5","3","3","5","7","1","1") = "6"
    & skf21("4","5","3","3","5","7","2","1") = "6"
    & skf21("4","5","3","3","5","7","3","1") = "6"
    & skf21("4","5","3","3","5","7","4","1") = "6"
    & skf21("4","5","3","3","5","7","5","1") = "6"
    & skf21("4","5","3","3","5","7","6","1") = "6"
    & skf21("4","5","3","3","5","7","7","1") = "6"
    & skf21("4","5","3","3","6","1","1","1") = "5"
    & skf21("4","5","3","3","6","1","2","1") = "5"
    & skf21("4","5","3","3","6","1","3","1") = "5"
    & skf21("4","5","3","3","6","1","4","1") = "5"
    & skf21("4","5","3","3","6","1","5","1") = "5"
    & skf21("4","5","3","3","6","1","6","1") = "5"
    & skf21("4","5","3","3","6","1","7","1") = "6"
    & skf21("4","5","3","3","6","2","1","1") = "5"
    & skf21("4","5","3","3","6","2","2","1") = "5"
    & skf21("4","5","3","3","6","2","3","1") = "5"
    & skf21("4","5","3","3","6","2","4","1") = "5"
    & skf21("4","5","3","3","6","2","5","1") = "5"
    & skf21("4","5","3","3","6","2","6","1") = "5"
    & skf21("4","5","3","3","6","2","7","1") = "6"
    & skf21("4","5","3","3","6","3","1","1") = "5"
    & skf21("4","5","3","3","6","3","2","1") = "5"
    & skf21("4","5","3","3","6","3","3","1") = "5"
    & skf21("4","5","3","3","6","3","4","1") = "5"
    & skf21("4","5","3","3","6","3","5","1") = "5"
    & skf21("4","5","3","3","6","3","6","1") = "5"
    & skf21("4","5","3","3","6","3","7","1") = "6"
    & skf21("4","5","3","3","6","4","1","1") = "5"
    & skf21("4","5","3","3","6","4","2","1") = "5"
    & skf21("4","5","3","3","6","4","3","1") = "5"
    & skf21("4","5","3","3","6","4","4","1") = "5"
    & skf21("4","5","3","3","6","4","5","1") = "5"
    & skf21("4","5","3","3","6","4","6","1") = "5"
    & skf21("4","5","3","3","6","4","7","1") = "6"
    & skf21("4","5","3","3","6","5","1","1") = "5"
    & skf21("4","5","3","3","6","5","2","1") = "5"
    & skf21("4","5","3","3","6","5","3","1") = "5"
    & skf21("4","5","3","3","6","5","4","1") = "5"
    & skf21("4","5","3","3","6","5","5","1") = "5"
    & skf21("4","5","3","3","6","5","6","1") = "5"
    & skf21("4","5","3","3","6","5","7","1") = "6"
    & skf21("4","5","3","3","6","6","1","1") = "5"
    & skf21("4","5","3","3","6","6","2","1") = "5"
    & skf21("4","5","3","3","6","6","3","1") = "5"
    & skf21("4","5","3","3","6","6","4","1") = "5"
    & skf21("4","5","3","3","6","6","5","1") = "5"
    & skf21("4","5","3","3","6","6","6","1") = "5"
    & skf21("4","5","3","3","6","6","7","1") = "6"
    & skf21("4","5","3","3","6","7","1","1") = "6"
    & skf21("4","5","3","3","6","7","2","1") = "6"
    & skf21("4","5","3","3","6","7","3","1") = "6"
    & skf21("4","5","3","3","6","7","4","1") = "6"
    & skf21("4","5","3","3","6","7","5","1") = "6"
    & skf21("4","5","3","3","6","7","6","1") = "6"
    & skf21("4","5","3","3","6","7","7","1") = "6"
    & skf21("4","5","3","3","7","1","1","1") = "6"
    & skf21("4","5","3","3","7","1","2","1") = "6"
    & skf21("4","5","3","3","7","1","3","1") = "6"
    & skf21("4","5","3","3","7","1","4","1") = "6"
    & skf21("4","5","3","3","7","1","5","1") = "6"
    & skf21("4","5","3","3","7","1","6","1") = "6"
    & skf21("4","5","3","3","7","1","7","1") = "6"
    & skf21("4","5","3","3","7","2","1","1") = "6"
    & skf21("4","5","3","3","7","2","2","1") = "6"
    & skf21("4","5","3","3","7","2","3","1") = "6"
    & skf21("4","5","3","3","7","2","4","1") = "6"
    & skf21("4","5","3","3","7","2","5","1") = "6"
    & skf21("4","5","3","3","7","2","6","1") = "6"
    & skf21("4","5","3","3","7","2","7","1") = "6"
    & skf21("4","5","3","3","7","3","1","1") = "6"
    & skf21("4","5","3","3","7","3","2","1") = "6"
    & skf21("4","5","3","3","7","3","3","1") = "6"
    & skf21("4","5","3","3","7","3","4","1") = "6"
    & skf21("4","5","3","3","7","3","5","1") = "6"
    & skf21("4","5","3","3","7","3","6","1") = "6"
    & skf21("4","5","3","3","7","3","7","1") = "6"
    & skf21("4","5","3","3","7","4","1","1") = "6"
    & skf21("4","5","3","3","7","4","2","1") = "6"
    & skf21("4","5","3","3","7","4","3","1") = "6"
    & skf21("4","5","3","3","7","4","4","1") = "6"
    & skf21("4","5","3","3","7","4","5","1") = "6"
    & skf21("4","5","3","3","7","4","6","1") = "6"
    & skf21("4","5","3","3","7","4","7","1") = "6"
    & skf21("4","5","3","3","7","5","1","1") = "6"
    & skf21("4","5","3","3","7","5","2","1") = "6"
    & skf21("4","5","3","3","7","5","3","1") = "6"
    & skf21("4","5","3","3","7","5","4","1") = "6"
    & skf21("4","5","3","3","7","5","5","1") = "6"
    & skf21("4","5","3","3","7","5","6","1") = "6"
    & skf21("4","5","3","3","7","5","7","1") = "6"
    & skf21("4","5","3","3","7","6","1","1") = "6"
    & skf21("4","5","3","3","7","6","2","1") = "6"
    & skf21("4","5","3","3","7","6","3","1") = "6"
    & skf21("4","5","3","3","7","6","4","1") = "6"
    & skf21("4","5","3","3","7","6","5","1") = "6"
    & skf21("4","5","3","3","7","6","6","1") = "6"
    & skf21("4","5","3","3","7","6","7","1") = "6"
    & skf21("4","5","3","3","7","7","1","1") = "6"
    & skf21("4","5","3","3","7","7","2","1") = "6"
    & skf21("4","5","3","3","7","7","3","1") = "6"
    & skf21("4","5","3","3","7","7","4","1") = "6"
    & skf21("4","5","3","3","7","7","5","1") = "6"
    & skf21("4","5","3","3","7","7","6","1") = "6"
    & skf21("4","5","3","3","7","7","7","1") = "6"
    & skf21("4","5","3","4","1","1","1","1") = "4"
    & skf21("4","5","3","4","1","1","2","1") = "4"
    & skf21("4","5","3","4","1","1","3","1") = "4"
    & skf21("4","5","3","4","1","1","4","1") = "4"
    & skf21("4","5","3","4","1","1","5","1") = "4"
    & skf21("4","5","3","4","1","1","6","1") = "5"
    & skf21("4","5","3","4","1","1","7","1") = "6"
    & skf21("4","5","3","4","1","2","1","1") = "4"
    & skf21("4","5","3","4","1","2","2","1") = "4"
    & skf21("4","5","3","4","1","2","3","1") = "4"
    & skf21("4","5","3","4","1","2","4","1") = "4"
    & skf21("4","5","3","4","1","2","5","1") = "4"
    & skf21("4","5","3","4","1","2","6","1") = "5"
    & skf21("4","5","3","4","1","2","7","1") = "6"
    & skf21("4","5","3","4","1","3","1","1") = "4"
    & skf21("4","5","3","4","1","3","2","1") = "4"
    & skf21("4","5","3","4","1","3","3","1") = "4"
    & skf21("4","5","3","4","1","3","4","1") = "4"
    & skf21("4","5","3","4","1","3","5","1") = "4"
    & skf21("4","5","3","4","1","3","6","1") = "5"
    & skf21("4","5","3","4","1","3","7","1") = "6"
    & skf21("4","5","3","4","1","4","1","1") = "4"
    & skf21("4","5","3","4","1","4","2","1") = "4"
    & skf21("4","5","3","4","1","4","3","1") = "4"
    & skf21("4","5","3","4","1","4","4","1") = "4"
    & skf21("4","5","3","4","1","4","5","1") = "4"
    & skf21("4","5","3","4","1","4","6","1") = "5"
    & skf21("4","5","3","4","1","4","7","1") = "6"
    & skf21("4","5","3","4","1","5","1","1") = "4"
    & skf21("4","5","3","4","1","5","2","1") = "4"
    & skf21("4","5","3","4","1","5","3","1") = "4"
    & skf21("4","5","3","4","1","5","4","1") = "4"
    & skf21("4","5","3","4","1","5","5","1") = "4"
    & skf21("4","5","3","4","1","5","6","1") = "5"
    & skf21("4","5","3","4","1","5","7","1") = "6"
    & skf21("4","5","3","4","1","6","1","1") = "5"
    & skf21("4","5","3","4","1","6","2","1") = "5"
    & skf21("4","5","3","4","1","6","3","1") = "5"
    & skf21("4","5","3","4","1","6","4","1") = "5"
    & skf21("4","5","3","4","1","6","5","1") = "5"
    & skf21("4","5","3","4","1","6","6","1") = "5"
    & skf21("4","5","3","4","1","6","7","1") = "6"
    & skf21("4","5","3","4","1","7","1","1") = "6"
    & skf21("4","5","3","4","1","7","2","1") = "6"
    & skf21("4","5","3","4","1","7","3","1") = "6"
    & skf21("4","5","3","4","1","7","4","1") = "6"
    & skf21("4","5","3","4","1","7","5","1") = "6"
    & skf21("4","5","3","4","1","7","6","1") = "6"
    & skf21("4","5","3","4","1","7","7","1") = "6"
    & skf21("4","5","3","4","2","1","1","1") = "4"
    & skf21("4","5","3","4","2","1","2","1") = "4"
    & skf21("4","5","3","4","2","1","3","1") = "4"
    & skf21("4","5","3","4","2","1","4","1") = "4"
    & skf21("4","5","3","4","2","1","5","1") = "4"
    & skf21("4","5","3","4","2","1","6","1") = "5"
    & skf21("4","5","3","4","2","1","7","1") = "6"
    & skf21("4","5","3","4","2","2","1","1") = "4"
    & skf21("4","5","3","4","2","2","2","1") = "4"
    & skf21("4","5","3","4","2","2","3","1") = "4"
    & skf21("4","5","3","4","2","2","4","1") = "4"
    & skf21("4","5","3","4","2","2","5","1") = "4"
    & skf21("4","5","3","4","2","2","6","1") = "5"
    & skf21("4","5","3","4","2","2","7","1") = "6"
    & skf21("4","5","3","4","2","3","1","1") = "4"
    & skf21("4","5","3","4","2","3","2","1") = "4"
    & skf21("4","5","3","4","2","3","3","1") = "4"
    & skf21("4","5","3","4","2","3","4","1") = "4"
    & skf21("4","5","3","4","2","3","5","1") = "4"
    & skf21("4","5","3","4","2","3","6","1") = "5"
    & skf21("4","5","3","4","2","3","7","1") = "6"
    & skf21("4","5","3","4","2","4","1","1") = "4"
    & skf21("4","5","3","4","2","4","2","1") = "4"
    & skf21("4","5","3","4","2","4","3","1") = "4"
    & skf21("4","5","3","4","2","4","4","1") = "4"
    & skf21("4","5","3","4","2","4","5","1") = "4"
    & skf21("4","5","3","4","2","4","6","1") = "5"
    & skf21("4","5","3","4","2","4","7","1") = "6"
    & skf21("4","5","3","4","2","5","1","1") = "4"
    & skf21("4","5","3","4","2","5","2","1") = "4"
    & skf21("4","5","3","4","2","5","3","1") = "4"
    & skf21("4","5","3","4","2","5","4","1") = "4"
    & skf21("4","5","3","4","2","5","5","1") = "4"
    & skf21("4","5","3","4","2","5","6","1") = "5"
    & skf21("4","5","3","4","2","5","7","1") = "6"
    & skf21("4","5","3","4","2","6","1","1") = "5"
    & skf21("4","5","3","4","2","6","2","1") = "5"
    & skf21("4","5","3","4","2","6","3","1") = "5"
    & skf21("4","5","3","4","2","6","4","1") = "5"
    & skf21("4","5","3","4","2","6","5","1") = "5"
    & skf21("4","5","3","4","2","6","6","1") = "5"
    & skf21("4","5","3","4","2","6","7","1") = "6"
    & skf21("4","5","3","4","2","7","1","1") = "6"
    & skf21("4","5","3","4","2","7","2","1") = "6"
    & skf21("4","5","3","4","2","7","3","1") = "6"
    & skf21("4","5","3","4","2","7","4","1") = "6"
    & skf21("4","5","3","4","2","7","5","1") = "6"
    & skf21("4","5","3","4","2","7","6","1") = "6"
    & skf21("4","5","3","4","2","7","7","1") = "6"
    & skf21("4","5","3","4","3","1","1","1") = "4"
    & skf21("4","5","3","4","3","1","2","1") = "4"
    & skf21("4","5","3","4","3","1","3","1") = "4"
    & skf21("4","5","3","4","3","1","4","1") = "4"
    & skf21("4","5","3","4","3","1","5","1") = "4"
    & skf21("4","5","3","4","3","1","6","1") = "5"
    & skf21("4","5","3","4","3","1","7","1") = "6"
    & skf21("4","5","3","4","3","2","1","1") = "4"
    & skf21("4","5","3","4","3","2","2","1") = "4"
    & skf21("4","5","3","4","3","2","3","1") = "4"
    & skf21("4","5","3","4","3","2","4","1") = "4"
    & skf21("4","5","3","4","3","2","5","1") = "4"
    & skf21("4","5","3","4","3","2","6","1") = "5"
    & skf21("4","5","3","4","3","2","7","1") = "6"
    & skf21("4","5","3","4","3","3","1","1") = "4"
    & skf21("4","5","3","4","3","3","2","1") = "4"
    & skf21("4","5","3","4","3","3","3","1") = "4"
    & skf21("4","5","3","4","3","3","4","1") = "4"
    & skf21("4","5","3","4","3","3","5","1") = "4"
    & skf21("4","5","3","4","3","3","6","1") = "5"
    & skf21("4","5","3","4","3","3","7","1") = "6"
    & skf21("4","5","3","4","3","4","1","1") = "4"
    & skf21("4","5","3","4","3","4","2","1") = "4"
    & skf21("4","5","3","4","3","4","3","1") = "4"
    & skf21("4","5","3","4","3","4","4","1") = "4"
    & skf21("4","5","3","4","3","4","5","1") = "4"
    & skf21("4","5","3","4","3","4","6","1") = "5"
    & skf21("4","5","3","4","3","4","7","1") = "6"
    & skf21("4","5","3","4","3","5","1","1") = "4"
    & skf21("4","5","3","4","3","5","2","1") = "4"
    & skf21("4","5","3","4","3","5","3","1") = "4"
    & skf21("4","5","3","4","3","5","4","1") = "4"
    & skf21("4","5","3","4","3","5","5","1") = "4"
    & skf21("4","5","3","4","3","5","6","1") = "5"
    & skf21("4","5","3","4","3","5","7","1") = "6"
    & skf21("4","5","3","4","3","6","1","1") = "5"
    & skf21("4","5","3","4","3","6","2","1") = "5"
    & skf21("4","5","3","4","3","6","3","1") = "5"
    & skf21("4","5","3","4","3","6","4","1") = "5"
    & skf21("4","5","3","4","3","6","5","1") = "5"
    & skf21("4","5","3","4","3","6","6","1") = "5"
    & skf21("4","5","3","4","3","6","7","1") = "6"
    & skf21("4","5","3","4","3","7","1","1") = "6"
    & skf21("4","5","3","4","3","7","2","1") = "6"
    & skf21("4","5","3","4","3","7","3","1") = "6"
    & skf21("4","5","3","4","3","7","4","1") = "6"
    & skf21("4","5","3","4","3","7","5","1") = "6"
    & skf21("4","5","3","4","3","7","6","1") = "6"
    & skf21("4","5","3","4","3","7","7","1") = "6"
    & skf21("4","5","3","4","4","1","1","1") = "4"
    & skf21("4","5","3","4","4","1","2","1") = "4"
    & skf21("4","5","3","4","4","1","3","1") = "4"
    & skf21("4","5","3","4","4","1","4","1") = "4"
    & skf21("4","5","3","4","4","1","5","1") = "4"
    & skf21("4","5","3","4","4","1","6","1") = "5"
    & skf21("4","5","3","4","4","1","7","1") = "6"
    & skf21("4","5","3","4","4","2","1","1") = "4"
    & skf21("4","5","3","4","4","2","2","1") = "4"
    & skf21("4","5","3","4","4","2","3","1") = "4"
    & skf21("4","5","3","4","4","2","4","1") = "4"
    & skf21("4","5","3","4","4","2","5","1") = "4"
    & skf21("4","5","3","4","4","2","6","1") = "5"
    & skf21("4","5","3","4","4","2","7","1") = "6"
    & skf21("4","5","3","4","4","3","1","1") = "4"
    & skf21("4","5","3","4","4","3","2","1") = "4"
    & skf21("4","5","3","4","4","3","3","1") = "4"
    & skf21("4","5","3","4","4","3","4","1") = "4"
    & skf21("4","5","3","4","4","3","5","1") = "4"
    & skf21("4","5","3","4","4","3","6","1") = "5"
    & skf21("4","5","3","4","4","3","7","1") = "6"
    & skf21("4","5","3","4","4","4","1","1") = "4"
    & skf21("4","5","3","4","4","4","2","1") = "4"
    & skf21("4","5","3","4","4","4","3","1") = "4"
    & skf21("4","5","3","4","4","4","4","1") = "4"
    & skf21("4","5","3","4","4","4","5","1") = "4"
    & skf21("4","5","3","4","4","4","6","1") = "5"
    & skf21("4","5","3","4","4","4","7","1") = "6"
    & skf21("4","5","3","4","4","5","1","1") = "4"
    & skf21("4","5","3","4","4","5","2","1") = "4"
    & skf21("4","5","3","4","4","5","3","1") = "4"
    & skf21("4","5","3","4","4","5","4","1") = "4"
    & skf21("4","5","3","4","4","5","5","1") = "4"
    & skf21("4","5","3","4","4","5","6","1") = "5"
    & skf21("4","5","3","4","4","5","7","1") = "6"
    & skf21("4","5","3","4","4","6","1","1") = "5"
    & skf21("4","5","3","4","4","6","2","1") = "5"
    & skf21("4","5","3","4","4","6","3","1") = "5"
    & skf21("4","5","3","4","4","6","4","1") = "5"
    & skf21("4","5","3","4","4","6","5","1") = "5"
    & skf21("4","5","3","4","4","6","6","1") = "5"
    & skf21("4","5","3","4","4","6","7","1") = "6"
    & skf21("4","5","3","4","4","7","1","1") = "6"
    & skf21("4","5","3","4","4","7","2","1") = "6"
    & skf21("4","5","3","4","4","7","3","1") = "6"
    & skf21("4","5","3","4","4","7","4","1") = "6"
    & skf21("4","5","3","4","4","7","5","1") = "6"
    & skf21("4","5","3","4","4","7","6","1") = "6"
    & skf21("4","5","3","4","4","7","7","1") = "6"
    & skf21("4","5","3","4","5","1","1","1") = "4"
    & skf21("4","5","3","4","5","1","2","1") = "4"
    & skf21("4","5","3","4","5","1","3","1") = "4"
    & skf21("4","5","3","4","5","1","4","1") = "4"
    & skf21("4","5","3","4","5","1","5","1") = "4"
    & skf21("4","5","3","4","5","1","6","1") = "5"
    & skf21("4","5","3","4","5","1","7","1") = "6"
    & skf21("4","5","3","4","5","2","1","1") = "4"
    & skf21("4","5","3","4","5","2","2","1") = "4"
    & skf21("4","5","3","4","5","2","3","1") = "4"
    & skf21("4","5","3","4","5","2","4","1") = "4"
    & skf21("4","5","3","4","5","2","5","1") = "4"
    & skf21("4","5","3","4","5","2","6","1") = "5"
    & skf21("4","5","3","4","5","2","7","1") = "6"
    & skf21("4","5","3","4","5","3","1","1") = "4"
    & skf21("4","5","3","4","5","3","2","1") = "4"
    & skf21("4","5","3","4","5","3","3","1") = "4"
    & skf21("4","5","3","4","5","3","4","1") = "4"
    & skf21("4","5","3","4","5","3","5","1") = "4"
    & skf21("4","5","3","4","5","3","6","1") = "5"
    & skf21("4","5","3","4","5","3","7","1") = "6"
    & skf21("4","5","3","4","5","4","1","1") = "4"
    & skf21("4","5","3","4","5","4","2","1") = "4"
    & skf21("4","5","3","4","5","4","3","1") = "4"
    & skf21("4","5","3","4","5","4","4","1") = "4"
    & skf21("4","5","3","4","5","4","5","1") = "4"
    & skf21("4","5","3","4","5","4","6","1") = "5"
    & skf21("4","5","3","4","5","4","7","1") = "6"
    & skf21("4","5","3","4","5","5","1","1") = "4"
    & skf21("4","5","3","4","5","5","2","1") = "4"
    & skf21("4","5","3","4","5","5","3","1") = "4"
    & skf21("4","5","3","4","5","5","4","1") = "4"
    & skf21("4","5","3","4","5","5","5","1") = "4"
    & skf21("4","5","3","4","5","5","6","1") = "5"
    & skf21("4","5","3","4","5","5","7","1") = "6"
    & skf21("4","5","3","4","5","6","1","1") = "5"
    & skf21("4","5","3","4","5","6","2","1") = "5"
    & skf21("4","5","3","4","5","6","3","1") = "5"
    & skf21("4","5","3","4","5","6","4","1") = "5"
    & skf21("4","5","3","4","5","6","5","1") = "5"
    & skf21("4","5","3","4","5","6","6","1") = "5"
    & skf21("4","5","3","4","5","6","7","1") = "6"
    & skf21("4","5","3","4","5","7","1","1") = "6"
    & skf21("4","5","3","4","5","7","2","1") = "6"
    & skf21("4","5","3","4","5","7","3","1") = "6"
    & skf21("4","5","3","4","5","7","4","1") = "6"
    & skf21("4","5","3","4","5","7","5","1") = "6"
    & skf21("4","5","3","4","5","7","6","1") = "6"
    & skf21("4","5","3","4","5","7","7","1") = "6"
    & skf21("4","5","3","4","6","1","1","1") = "5"
    & skf21("4","5","3","4","6","1","2","1") = "5"
    & skf21("4","5","3","4","6","1","3","1") = "5"
    & skf21("4","5","3","4","6","1","4","1") = "5"
    & skf21("4","5","3","4","6","1","5","1") = "5"
    & skf21("4","5","3","4","6","1","6","1") = "5"
    & skf21("4","5","3","4","6","1","7","1") = "6"
    & skf21("4","5","3","4","6","2","1","1") = "5"
    & skf21("4","5","3","4","6","2","2","1") = "5"
    & skf21("4","5","3","4","6","2","3","1") = "5"
    & skf21("4","5","3","4","6","2","4","1") = "5"
    & skf21("4","5","3","4","6","2","5","1") = "5"
    & skf21("4","5","3","4","6","2","6","1") = "5"
    & skf21("4","5","3","4","6","2","7","1") = "6"
    & skf21("4","5","3","4","6","3","1","1") = "5"
    & skf21("4","5","3","4","6","3","2","1") = "5"
    & skf21("4","5","3","4","6","3","3","1") = "5"
    & skf21("4","5","3","4","6","3","4","1") = "5"
    & skf21("4","5","3","4","6","3","5","1") = "5"
    & skf21("4","5","3","4","6","3","6","1") = "5"
    & skf21("4","5","3","4","6","3","7","1") = "6"
    & skf21("4","5","3","4","6","4","1","1") = "5"
    & skf21("4","5","3","4","6","4","2","1") = "5"
    & skf21("4","5","3","4","6","4","3","1") = "5"
    & skf21("4","5","3","4","6","4","4","1") = "5"
    & skf21("4","5","3","4","6","4","5","1") = "5"
    & skf21("4","5","3","4","6","4","6","1") = "5"
    & skf21("4","5","3","4","6","4","7","1") = "6"
    & skf21("4","5","3","4","6","5","1","1") = "5"
    & skf21("4","5","3","4","6","5","2","1") = "5"
    & skf21("4","5","3","4","6","5","3","1") = "5"
    & skf21("4","5","3","4","6","5","4","1") = "5"
    & skf21("4","5","3","4","6","5","5","1") = "5"
    & skf21("4","5","3","4","6","5","6","1") = "5"
    & skf21("4","5","3","4","6","5","7","1") = "6"
    & skf21("4","5","3","4","6","6","1","1") = "5"
    & skf21("4","5","3","4","6","6","2","1") = "5"
    & skf21("4","5","3","4","6","6","3","1") = "5"
    & skf21("4","5","3","4","6","6","4","1") = "5"
    & skf21("4","5","3","4","6","6","5","1") = "5"
    & skf21("4","5","3","4","6","6","6","1") = "5"
    & skf21("4","5","3","4","6","6","7","1") = "6"
    & skf21("4","5","3","4","6","7","1","1") = "6"
    & skf21("4","5","3","4","6","7","2","1") = "6"
    & skf21("4","5","3","4","6","7","3","1") = "6"
    & skf21("4","5","3","4","6","7","4","1") = "6"
    & skf21("4","5","3","4","6","7","5","1") = "6"
    & skf21("4","5","3","4","6","7","6","1") = "6"
    & skf21("4","5","3","4","6","7","7","1") = "6"
    & skf21("4","5","3","4","7","1","1","1") = "6"
    & skf21("4","5","3","4","7","1","2","1") = "6"
    & skf21("4","5","3","4","7","1","3","1") = "6"
    & skf21("4","5","3","4","7","1","4","1") = "6"
    & skf21("4","5","3","4","7","1","5","1") = "6"
    & skf21("4","5","3","4","7","1","6","1") = "6"
    & skf21("4","5","3","4","7","1","7","1") = "6"
    & skf21("4","5","3","4","7","2","1","1") = "6"
    & skf21("4","5","3","4","7","2","2","1") = "6"
    & skf21("4","5","3","4","7","2","3","1") = "6"
    & skf21("4","5","3","4","7","2","4","1") = "6"
    & skf21("4","5","3","4","7","2","5","1") = "6"
    & skf21("4","5","3","4","7","2","6","1") = "6"
    & skf21("4","5","3","4","7","2","7","1") = "6"
    & skf21("4","5","3","4","7","3","1","1") = "6"
    & skf21("4","5","3","4","7","3","2","1") = "6"
    & skf21("4","5","3","4","7","3","3","1") = "6"
    & skf21("4","5","3","4","7","3","4","1") = "6"
    & skf21("4","5","3","4","7","3","5","1") = "6"
    & skf21("4","5","3","4","7","3","6","1") = "6"
    & skf21("4","5","3","4","7","3","7","1") = "6"
    & skf21("4","5","3","4","7","4","1","1") = "6"
    & skf21("4","5","3","4","7","4","2","1") = "6"
    & skf21("4","5","3","4","7","4","3","1") = "6"
    & skf21("4","5","3","4","7","4","4","1") = "6"
    & skf21("4","5","3","4","7","4","5","1") = "6"
    & skf21("4","5","3","4","7","4","6","1") = "6"
    & skf21("4","5","3","4","7","4","7","1") = "6"
    & skf21("4","5","3","4","7","5","1","1") = "6"
    & skf21("4","5","3","4","7","5","2","1") = "6"
    & skf21("4","5","3","4","7","5","3","1") = "6"
    & skf21("4","5","3","4","7","5","4","1") = "6"
    & skf21("4","5","3","4","7","5","5","1") = "6"
    & skf21("4","5","3","4","7","5","6","1") = "6"
    & skf21("4","5","3","4","7","5","7","1") = "6"
    & skf21("4","5","3","4","7","6","1","1") = "6"
    & skf21("4","5","3","4","7","6","2","1") = "6"
    & skf21("4","5","3","4","7","6","3","1") = "6"
    & skf21("4","5","3","4","7","6","4","1") = "6"
    & skf21("4","5","3","4","7","6","5","1") = "6"
    & skf21("4","5","3","4","7","6","6","1") = "6"
    & skf21("4","5","3","4","7","6","7","1") = "6"
    & skf21("4","5","3","4","7","7","1","1") = "6"
    & skf21("4","5","3","4","7","7","2","1") = "6"
    & skf21("4","5","3","4","7","7","3","1") = "6"
    & skf21("4","5","3","4","7","7","4","1") = "6"
    & skf21("4","5","3","4","7","7","5","1") = "6"
    & skf21("4","5","3","4","7","7","6","1") = "6"
    & skf21("4","5","3","4","7","7","7","1") = "6"
    & skf21("4","5","3","5","1","1","1","1") = "4"
    & skf21("4","5","3","5","1","1","2","1") = "4"
    & skf21("4","5","3","5","1","1","3","1") = "4"
    & skf21("4","5","3","5","1","1","4","1") = "4"
    & skf21("4","5","3","5","1","1","5","1") = "4"
    & skf21("4","5","3","5","1","1","6","1") = "5"
    & skf21("4","5","3","5","1","1","7","1") = "6"
    & skf21("4","5","3","5","1","2","1","1") = "4"
    & skf21("4","5","3","5","1","2","2","1") = "4"
    & skf21("4","5","3","5","1","2","3","1") = "4"
    & skf21("4","5","3","5","1","2","4","1") = "4"
    & skf21("4","5","3","5","1","2","5","1") = "4"
    & skf21("4","5","3","5","1","2","6","1") = "5"
    & skf21("4","5","3","5","1","2","7","1") = "6"
    & skf21("4","5","3","5","1","3","1","1") = "4"
    & skf21("4","5","3","5","1","3","2","1") = "4"
    & skf21("4","5","3","5","1","3","3","1") = "4"
    & skf21("4","5","3","5","1","3","4","1") = "4"
    & skf21("4","5","3","5","1","3","5","1") = "4"
    & skf21("4","5","3","5","1","3","6","1") = "5"
    & skf21("4","5","3","5","1","3","7","1") = "6"
    & skf21("4","5","3","5","1","4","1","1") = "4"
    & skf21("4","5","3","5","1","4","2","1") = "4"
    & skf21("4","5","3","5","1","4","3","1") = "4"
    & skf21("4","5","3","5","1","4","4","1") = "4"
    & skf21("4","5","3","5","1","4","5","1") = "4"
    & skf21("4","5","3","5","1","4","6","1") = "5"
    & skf21("4","5","3","5","1","4","7","1") = "6"
    & skf21("4","5","3","5","1","5","1","1") = "4"
    & skf21("4","5","3","5","1","5","2","1") = "4"
    & skf21("4","5","3","5","1","5","3","1") = "4"
    & skf21("4","5","3","5","1","5","4","1") = "4"
    & skf21("4","5","3","5","1","5","5","1") = "4"
    & skf21("4","5","3","5","1","5","6","1") = "5"
    & skf21("4","5","3","5","1","5","7","1") = "6"
    & skf21("4","5","3","5","1","6","1","1") = "5"
    & skf21("4","5","3","5","1","6","2","1") = "5"
    & skf21("4","5","3","5","1","6","3","1") = "5"
    & skf21("4","5","3","5","1","6","4","1") = "5"
    & skf21("4","5","3","5","1","6","5","1") = "5"
    & skf21("4","5","3","5","1","6","6","1") = "5"
    & skf21("4","5","3","5","1","6","7","1") = "6"
    & skf21("4","5","3","5","1","7","1","1") = "6"
    & skf21("4","5","3","5","1","7","2","1") = "6"
    & skf21("4","5","3","5","1","7","3","1") = "6"
    & skf21("4","5","3","5","1","7","4","1") = "6"
    & skf21("4","5","3","5","1","7","5","1") = "6"
    & skf21("4","5","3","5","1","7","6","1") = "6"
    & skf21("4","5","3","5","1","7","7","1") = "6"
    & skf21("4","5","3","5","2","1","1","1") = "4"
    & skf21("4","5","3","5","2","1","2","1") = "4"
    & skf21("4","5","3","5","2","1","3","1") = "4"
    & skf21("4","5","3","5","2","1","4","1") = "4"
    & skf21("4","5","3","5","2","1","5","1") = "4"
    & skf21("4","5","3","5","2","1","6","1") = "5"
    & skf21("4","5","3","5","2","1","7","1") = "6"
    & skf21("4","5","3","5","2","2","1","1") = "4"
    & skf21("4","5","3","5","2","2","2","1") = "4"
    & skf21("4","5","3","5","2","2","3","1") = "4"
    & skf21("4","5","3","5","2","2","4","1") = "4"
    & skf21("4","5","3","5","2","2","5","1") = "4"
    & skf21("4","5","3","5","2","2","6","1") = "5"
    & skf21("4","5","3","5","2","2","7","1") = "6"
    & skf21("4","5","3","5","2","3","1","1") = "4"
    & skf21("4","5","3","5","2","3","2","1") = "4"
    & skf21("4","5","3","5","2","3","3","1") = "4"
    & skf21("4","5","3","5","2","3","4","1") = "4"
    & skf21("4","5","3","5","2","3","5","1") = "4"
    & skf21("4","5","3","5","2","3","6","1") = "5"
    & skf21("4","5","3","5","2","3","7","1") = "6"
    & skf21("4","5","3","5","2","4","1","1") = "4"
    & skf21("4","5","3","5","2","4","2","1") = "4"
    & skf21("4","5","3","5","2","4","3","1") = "4"
    & skf21("4","5","3","5","2","4","4","1") = "4"
    & skf21("4","5","3","5","2","4","5","1") = "4"
    & skf21("4","5","3","5","2","4","6","1") = "5"
    & skf21("4","5","3","5","2","4","7","1") = "6"
    & skf21("4","5","3","5","2","5","1","1") = "4"
    & skf21("4","5","3","5","2","5","2","1") = "4"
    & skf21("4","5","3","5","2","5","3","1") = "4"
    & skf21("4","5","3","5","2","5","4","1") = "4"
    & skf21("4","5","3","5","2","5","5","1") = "4"
    & skf21("4","5","3","5","2","5","6","1") = "5"
    & skf21("4","5","3","5","2","5","7","1") = "6"
    & skf21("4","5","3","5","2","6","1","1") = "5"
    & skf21("4","5","3","5","2","6","2","1") = "5"
    & skf21("4","5","3","5","2","6","3","1") = "5"
    & skf21("4","5","3","5","2","6","4","1") = "5"
    & skf21("4","5","3","5","2","6","5","1") = "5"
    & skf21("4","5","3","5","2","6","6","1") = "5"
    & skf21("4","5","3","5","2","6","7","1") = "6"
    & skf21("4","5","3","5","2","7","1","1") = "6"
    & skf21("4","5","3","5","2","7","2","1") = "6"
    & skf21("4","5","3","5","2","7","3","1") = "6"
    & skf21("4","5","3","5","2","7","4","1") = "6"
    & skf21("4","5","3","5","2","7","5","1") = "6"
    & skf21("4","5","3","5","2","7","6","1") = "6"
    & skf21("4","5","3","5","2","7","7","1") = "6"
    & skf21("4","5","3","5","3","1","1","1") = "4"
    & skf21("4","5","3","5","3","1","2","1") = "4"
    & skf21("4","5","3","5","3","1","3","1") = "4"
    & skf21("4","5","3","5","3","1","4","1") = "4"
    & skf21("4","5","3","5","3","1","5","1") = "4"
    & skf21("4","5","3","5","3","1","6","1") = "5"
    & skf21("4","5","3","5","3","1","7","1") = "6"
    & skf21("4","5","3","5","3","2","1","1") = "4"
    & skf21("4","5","3","5","3","2","2","1") = "4"
    & skf21("4","5","3","5","3","2","3","1") = "4"
    & skf21("4","5","3","5","3","2","4","1") = "4"
    & skf21("4","5","3","5","3","2","5","1") = "4"
    & skf21("4","5","3","5","3","2","6","1") = "5"
    & skf21("4","5","3","5","3","2","7","1") = "6"
    & skf21("4","5","3","5","3","3","1","1") = "4"
    & skf21("4","5","3","5","3","3","2","1") = "4"
    & skf21("4","5","3","5","3","3","3","1") = "4"
    & skf21("4","5","3","5","3","3","4","1") = "4"
    & skf21("4","5","3","5","3","3","5","1") = "4"
    & skf21("4","5","3","5","3","3","6","1") = "5"
    & skf21("4","5","3","5","3","3","7","1") = "6"
    & skf21("4","5","3","5","3","4","1","1") = "4"
    & skf21("4","5","3","5","3","4","2","1") = "4"
    & skf21("4","5","3","5","3","4","3","1") = "4"
    & skf21("4","5","3","5","3","4","4","1") = "4"
    & skf21("4","5","3","5","3","4","5","1") = "4"
    & skf21("4","5","3","5","3","4","6","1") = "5"
    & skf21("4","5","3","5","3","4","7","1") = "6"
    & skf21("4","5","3","5","3","5","1","1") = "4"
    & skf21("4","5","3","5","3","5","2","1") = "4"
    & skf21("4","5","3","5","3","5","3","1") = "4"
    & skf21("4","5","3","5","3","5","4","1") = "4"
    & skf21("4","5","3","5","3","5","5","1") = "4"
    & skf21("4","5","3","5","3","5","6","1") = "5"
    & skf21("4","5","3","5","3","5","7","1") = "6"
    & skf21("4","5","3","5","3","6","1","1") = "5"
    & skf21("4","5","3","5","3","6","2","1") = "5"
    & skf21("4","5","3","5","3","6","3","1") = "5"
    & skf21("4","5","3","5","3","6","4","1") = "5"
    & skf21("4","5","3","5","3","6","5","1") = "5"
    & skf21("4","5","3","5","3","6","6","1") = "5"
    & skf21("4","5","3","5","3","6","7","1") = "6"
    & skf21("4","5","3","5","3","7","1","1") = "6"
    & skf21("4","5","3","5","3","7","2","1") = "6"
    & skf21("4","5","3","5","3","7","3","1") = "6"
    & skf21("4","5","3","5","3","7","4","1") = "6"
    & skf21("4","5","3","5","3","7","5","1") = "6"
    & skf21("4","5","3","5","3","7","6","1") = "6"
    & skf21("4","5","3","5","3","7","7","1") = "6"
    & skf21("4","5","3","5","4","1","1","1") = "4"
    & skf21("4","5","3","5","4","1","2","1") = "4"
    & skf21("4","5","3","5","4","1","3","1") = "4"
    & skf21("4","5","3","5","4","1","4","1") = "4"
    & skf21("4","5","3","5","4","1","5","1") = "4"
    & skf21("4","5","3","5","4","1","6","1") = "5"
    & skf21("4","5","3","5","4","1","7","1") = "6"
    & skf21("4","5","3","5","4","2","1","1") = "4"
    & skf21("4","5","3","5","4","2","2","1") = "4"
    & skf21("4","5","3","5","4","2","3","1") = "4"
    & skf21("4","5","3","5","4","2","4","1") = "4"
    & skf21("4","5","3","5","4","2","5","1") = "4"
    & skf21("4","5","3","5","4","2","6","1") = "5"
    & skf21("4","5","3","5","4","2","7","1") = "6"
    & skf21("4","5","3","5","4","3","1","1") = "4"
    & skf21("4","5","3","5","4","3","2","1") = "4"
    & skf21("4","5","3","5","4","3","3","1") = "4"
    & skf21("4","5","3","5","4","3","4","1") = "4"
    & skf21("4","5","3","5","4","3","5","1") = "4"
    & skf21("4","5","3","5","4","3","6","1") = "5"
    & skf21("4","5","3","5","4","3","7","1") = "6"
    & skf21("4","5","3","5","4","4","1","1") = "4"
    & skf21("4","5","3","5","4","4","2","1") = "4"
    & skf21("4","5","3","5","4","4","3","1") = "4"
    & skf21("4","5","3","5","4","4","4","1") = "4"
    & skf21("4","5","3","5","4","4","5","1") = "4"
    & skf21("4","5","3","5","4","4","6","1") = "5"
    & skf21("4","5","3","5","4","4","7","1") = "6"
    & skf21("4","5","3","5","4","5","1","1") = "4"
    & skf21("4","5","3","5","4","5","2","1") = "4"
    & skf21("4","5","3","5","4","5","3","1") = "4"
    & skf21("4","5","3","5","4","5","4","1") = "4"
    & skf21("4","5","3","5","4","5","5","1") = "4"
    & skf21("4","5","3","5","4","5","6","1") = "5"
    & skf21("4","5","3","5","4","5","7","1") = "6"
    & skf21("4","5","3","5","4","6","1","1") = "5"
    & skf21("4","5","3","5","4","6","2","1") = "5"
    & skf21("4","5","3","5","4","6","3","1") = "5"
    & skf21("4","5","3","5","4","6","4","1") = "5"
    & skf21("4","5","3","5","4","6","5","1") = "5"
    & skf21("4","5","3","5","4","6","6","1") = "5"
    & skf21("4","5","3","5","4","6","7","1") = "6"
    & skf21("4","5","3","5","4","7","1","1") = "6"
    & skf21("4","5","3","5","4","7","2","1") = "6"
    & skf21("4","5","3","5","4","7","3","1") = "6"
    & skf21("4","5","3","5","4","7","4","1") = "6"
    & skf21("4","5","3","5","4","7","5","1") = "6"
    & skf21("4","5","3","5","4","7","6","1") = "6"
    & skf21("4","5","3","5","4","7","7","1") = "6"
    & skf21("4","5","3","5","5","1","1","1") = "4"
    & skf21("4","5","3","5","5","1","2","1") = "4"
    & skf21("4","5","3","5","5","1","3","1") = "4"
    & skf21("4","5","3","5","5","1","4","1") = "4"
    & skf21("4","5","3","5","5","1","5","1") = "4"
    & skf21("4","5","3","5","5","1","6","1") = "5"
    & skf21("4","5","3","5","5","1","7","1") = "6"
    & skf21("4","5","3","5","5","2","1","1") = "4"
    & skf21("4","5","3","5","5","2","2","1") = "4"
    & skf21("4","5","3","5","5","2","3","1") = "4"
    & skf21("4","5","3","5","5","2","4","1") = "4"
    & skf21("4","5","3","5","5","2","5","1") = "4"
    & skf21("4","5","3","5","5","2","6","1") = "5"
    & skf21("4","5","3","5","5","2","7","1") = "6"
    & skf21("4","5","3","5","5","3","1","1") = "4"
    & skf21("4","5","3","5","5","3","2","1") = "4"
    & skf21("4","5","3","5","5","3","3","1") = "4"
    & skf21("4","5","3","5","5","3","4","1") = "4"
    & skf21("4","5","3","5","5","3","5","1") = "4"
    & skf21("4","5","3","5","5","3","6","1") = "5"
    & skf21("4","5","3","5","5","3","7","1") = "6"
    & skf21("4","5","3","5","5","4","1","1") = "4"
    & skf21("4","5","3","5","5","4","2","1") = "4"
    & skf21("4","5","3","5","5","4","3","1") = "4"
    & skf21("4","5","3","5","5","4","4","1") = "4"
    & skf21("4","5","3","5","5","4","5","1") = "4"
    & skf21("4","5","3","5","5","4","6","1") = "5"
    & skf21("4","5","3","5","5","4","7","1") = "6"
    & skf21("4","5","3","5","5","5","1","1") = "4"
    & skf21("4","5","3","5","5","5","2","1") = "4"
    & skf21("4","5","3","5","5","5","3","1") = "4"
    & skf21("4","5","3","5","5","5","4","1") = "4"
    & skf21("4","5","3","5","5","5","5","1") = "4"
    & skf21("4","5","3","5","5","5","6","1") = "5"
    & skf21("4","5","3","5","5","5","7","1") = "6"
    & skf21("4","5","3","5","5","6","1","1") = "5"
    & skf21("4","5","3","5","5","6","2","1") = "5"
    & skf21("4","5","3","5","5","6","3","1") = "5"
    & skf21("4","5","3","5","5","6","4","1") = "5"
    & skf21("4","5","3","5","5","6","5","1") = "5"
    & skf21("4","5","3","5","5","6","6","1") = "5"
    & skf21("4","5","3","5","5","6","7","1") = "6"
    & skf21("4","5","3","5","5","7","1","1") = "6"
    & skf21("4","5","3","5","5","7","2","1") = "6"
    & skf21("4","5","3","5","5","7","3","1") = "6"
    & skf21("4","5","3","5","5","7","4","1") = "6"
    & skf21("4","5","3","5","5","7","5","1") = "6"
    & skf21("4","5","3","5","5","7","6","1") = "6"
    & skf21("4","5","3","5","5","7","7","1") = "6"
    & skf21("4","5","3","5","6","1","1","1") = "5"
    & skf21("4","5","3","5","6","1","2","1") = "5"
    & skf21("4","5","3","5","6","1","3","1") = "5"
    & skf21("4","5","3","5","6","1","4","1") = "5"
    & skf21("4","5","3","5","6","1","5","1") = "5"
    & skf21("4","5","3","5","6","1","6","1") = "5"
    & skf21("4","5","3","5","6","1","7","1") = "6"
    & skf21("4","5","3","5","6","2","1","1") = "5"
    & skf21("4","5","3","5","6","2","2","1") = "5"
    & skf21("4","5","3","5","6","2","3","1") = "5"
    & skf21("4","5","3","5","6","2","4","1") = "5"
    & skf21("4","5","3","5","6","2","5","1") = "5"
    & skf21("4","5","3","5","6","2","6","1") = "5"
    & skf21("4","5","3","5","6","2","7","1") = "6"
    & skf21("4","5","3","5","6","3","1","1") = "5"
    & skf21("4","5","3","5","6","3","2","1") = "5"
    & skf21("4","5","3","5","6","3","3","1") = "5"
    & skf21("4","5","3","5","6","3","4","1") = "5"
    & skf21("4","5","3","5","6","3","5","1") = "5"
    & skf21("4","5","3","5","6","3","6","1") = "5"
    & skf21("4","5","3","5","6","3","7","1") = "6"
    & skf21("4","5","3","5","6","4","1","1") = "5"
    & skf21("4","5","3","5","6","4","2","1") = "5"
    & skf21("4","5","3","5","6","4","3","1") = "5"
    & skf21("4","5","3","5","6","4","4","1") = "5"
    & skf21("4","5","3","5","6","4","5","1") = "5"
    & skf21("4","5","3","5","6","4","6","1") = "5"
    & skf21("4","5","3","5","6","4","7","1") = "6"
    & skf21("4","5","3","5","6","5","1","1") = "5"
    & skf21("4","5","3","5","6","5","2","1") = "5"
    & skf21("4","5","3","5","6","5","3","1") = "5"
    & skf21("4","5","3","5","6","5","4","1") = "5"
    & skf21("4","5","3","5","6","5","5","1") = "5"
    & skf21("4","5","3","5","6","5","6","1") = "5"
    & skf21("4","5","3","5","6","5","7","1") = "6"
    & skf21("4","5","3","5","6","6","1","1") = "5"
    & skf21("4","5","3","5","6","6","2","1") = "5"
    & skf21("4","5","3","5","6","6","3","1") = "5"
    & skf21("4","5","3","5","6","6","4","1") = "5"
    & skf21("4","5","3","5","6","6","5","1") = "5"
    & skf21("4","5","3","5","6","6","6","1") = "5"
    & skf21("4","5","3","5","6","6","7","1") = "6"
    & skf21("4","5","3","5","6","7","1","1") = "6"
    & skf21("4","5","3","5","6","7","2","1") = "6"
    & skf21("4","5","3","5","6","7","3","1") = "6"
    & skf21("4","5","3","5","6","7","4","1") = "6"
    & skf21("4","5","3","5","6","7","5","1") = "6"
    & skf21("4","5","3","5","6","7","6","1") = "6"
    & skf21("4","5","3","5","6","7","7","1") = "6"
    & skf21("4","5","3","5","7","1","1","1") = "6"
    & skf21("4","5","3","5","7","1","2","1") = "6"
    & skf21("4","5","3","5","7","1","3","1") = "6"
    & skf21("4","5","3","5","7","1","4","1") = "6"
    & skf21("4","5","3","5","7","1","5","1") = "6"
    & skf21("4","5","3","5","7","1","6","1") = "6"
    & skf21("4","5","3","5","7","1","7","1") = "6"
    & skf21("4","5","3","5","7","2","1","1") = "6"
    & skf21("4","5","3","5","7","2","2","1") = "6"
    & skf21("4","5","3","5","7","2","3","1") = "6"
    & skf21("4","5","3","5","7","2","4","1") = "6"
    & skf21("4","5","3","5","7","2","5","1") = "6"
    & skf21("4","5","3","5","7","2","6","1") = "6"
    & skf21("4","5","3","5","7","2","7","1") = "6"
    & skf21("4","5","3","5","7","3","1","1") = "6"
    & skf21("4","5","3","5","7","3","2","1") = "6"
    & skf21("4","5","3","5","7","3","3","1") = "6"
    & skf21("4","5","3","5","7","3","4","1") = "6"
    & skf21("4","5","3","5","7","3","5","1") = "6"
    & skf21("4","5","3","5","7","3","6","1") = "6"
    & skf21("4","5","3","5","7","3","7","1") = "6"
    & skf21("4","5","3","5","7","4","1","1") = "6"
    & skf21("4","5","3","5","7","4","2","1") = "6"
    & skf21("4","5","3","5","7","4","3","1") = "6"
    & skf21("4","5","3","5","7","4","4","1") = "6"
    & skf21("4","5","3","5","7","4","5","1") = "6"
    & skf21("4","5","3","5","7","4","6","1") = "6"
    & skf21("4","5","3","5","7","4","7","1") = "6"
    & skf21("4","5","3","5","7","5","1","1") = "6"
    & skf21("4","5","3","5","7","5","2","1") = "6"
    & skf21("4","5","3","5","7","5","3","1") = "6"
    & skf21("4","5","3","5","7","5","4","1") = "6"
    & skf21("4","5","3","5","7","5","5","1") = "6"
    & skf21("4","5","3","5","7","5","6","1") = "6"
    & skf21("4","5","3","5","7","5","7","1") = "6"
    & skf21("4","5","3","5","7","6","1","1") = "6"
    & skf21("4","5","3","5","7","6","2","1") = "6"
    & skf21("4","5","3","5","7","6","3","1") = "6"
    & skf21("4","5","3","5","7","6","4","1") = "6"
    & skf21("4","5","3","5","7","6","5","1") = "6"
    & skf21("4","5","3","5","7","6","6","1") = "6"
    & skf21("4","5","3","5","7","6","7","1") = "6"
    & skf21("4","5","3","5","7","7","1","1") = "6"
    & skf21("4","5","3","5","7","7","2","1") = "6"
    & skf21("4","5","3","5","7","7","3","1") = "6"
    & skf21("4","5","3","5","7","7","4","1") = "6"
    & skf21("4","5","3","5","7","7","5","1") = "6"
    & skf21("4","5","3","5","7","7","6","1") = "6"
    & skf21("4","5","3","5","7","7","7","1") = "6"
    & skf21("4","5","3","6","1","1","1","1") = "5"
    & skf21("4","5","3","6","1","1","2","1") = "5"
    & skf21("4","5","3","6","1","1","3","1") = "5"
    & skf21("4","5","3","6","1","1","4","1") = "5"
    & skf21("4","5","3","6","1","1","5","1") = "5"
    & skf21("4","5","3","6","1","1","6","1") = "5"
    & skf21("4","5","3","6","1","1","7","1") = "6"
    & skf21("4","5","3","6","1","2","1","1") = "5"
    & skf21("4","5","3","6","1","2","2","1") = "5"
    & skf21("4","5","3","6","1","2","3","1") = "5"
    & skf21("4","5","3","6","1","2","4","1") = "5"
    & skf21("4","5","3","6","1","2","5","1") = "5"
    & skf21("4","5","3","6","1","2","6","1") = "5"
    & skf21("4","5","3","6","1","2","7","1") = "6"
    & skf21("4","5","3","6","1","3","1","1") = "5"
    & skf21("4","5","3","6","1","3","2","1") = "5"
    & skf21("4","5","3","6","1","3","3","1") = "5"
    & skf21("4","5","3","6","1","3","4","1") = "5"
    & skf21("4","5","3","6","1","3","5","1") = "5"
    & skf21("4","5","3","6","1","3","6","1") = "5"
    & skf21("4","5","3","6","1","3","7","1") = "6"
    & skf21("4","5","3","6","1","4","1","1") = "5"
    & skf21("4","5","3","6","1","4","2","1") = "5"
    & skf21("4","5","3","6","1","4","3","1") = "5"
    & skf21("4","5","3","6","1","4","4","1") = "5"
    & skf21("4","5","3","6","1","4","5","1") = "5"
    & skf21("4","5","3","6","1","4","6","1") = "5"
    & skf21("4","5","3","6","1","4","7","1") = "6"
    & skf21("4","5","3","6","1","5","1","1") = "5"
    & skf21("4","5","3","6","1","5","2","1") = "5"
    & skf21("4","5","3","6","1","5","3","1") = "5"
    & skf21("4","5","3","6","1","5","4","1") = "5"
    & skf21("4","5","3","6","1","5","5","1") = "5"
    & skf21("4","5","3","6","1","5","6","1") = "5"
    & skf21("4","5","3","6","1","5","7","1") = "6"
    & skf21("4","5","3","6","1","6","1","1") = "5"
    & skf21("4","5","3","6","1","6","2","1") = "5"
    & skf21("4","5","3","6","1","6","3","1") = "5"
    & skf21("4","5","3","6","1","6","4","1") = "5"
    & skf21("4","5","3","6","1","6","5","1") = "5"
    & skf21("4","5","3","6","1","6","6","1") = "5"
    & skf21("4","5","3","6","1","6","7","1") = "6"
    & skf21("4","5","3","6","1","7","1","1") = "6"
    & skf21("4","5","3","6","1","7","2","1") = "6"
    & skf21("4","5","3","6","1","7","3","1") = "6"
    & skf21("4","5","3","6","1","7","4","1") = "6"
    & skf21("4","5","3","6","1","7","5","1") = "6"
    & skf21("4","5","3","6","1","7","6","1") = "6"
    & skf21("4","5","3","6","1","7","7","1") = "6"
    & skf21("4","5","3","6","2","1","1","1") = "5"
    & skf21("4","5","3","6","2","1","2","1") = "5"
    & skf21("4","5","3","6","2","1","3","1") = "5"
    & skf21("4","5","3","6","2","1","4","1") = "5"
    & skf21("4","5","3","6","2","1","5","1") = "5"
    & skf21("4","5","3","6","2","1","6","1") = "5"
    & skf21("4","5","3","6","2","1","7","1") = "6"
    & skf21("4","5","3","6","2","2","1","1") = "5"
    & skf21("4","5","3","6","2","2","2","1") = "5"
    & skf21("4","5","3","6","2","2","3","1") = "5"
    & skf21("4","5","3","6","2","2","4","1") = "5"
    & skf21("4","5","3","6","2","2","5","1") = "5"
    & skf21("4","5","3","6","2","2","6","1") = "5"
    & skf21("4","5","3","6","2","2","7","1") = "6"
    & skf21("4","5","3","6","2","3","1","1") = "5"
    & skf21("4","5","3","6","2","3","2","1") = "5"
    & skf21("4","5","3","6","2","3","3","1") = "5"
    & skf21("4","5","3","6","2","3","4","1") = "5"
    & skf21("4","5","3","6","2","3","5","1") = "5"
    & skf21("4","5","3","6","2","3","6","1") = "5"
    & skf21("4","5","3","6","2","3","7","1") = "6"
    & skf21("4","5","3","6","2","4","1","1") = "5"
    & skf21("4","5","3","6","2","4","2","1") = "5"
    & skf21("4","5","3","6","2","4","3","1") = "5"
    & skf21("4","5","3","6","2","4","4","1") = "5"
    & skf21("4","5","3","6","2","4","5","1") = "5"
    & skf21("4","5","3","6","2","4","6","1") = "5"
    & skf21("4","5","3","6","2","4","7","1") = "6"
    & skf21("4","5","3","6","2","5","1","1") = "5"
    & skf21("4","5","3","6","2","5","2","1") = "5"
    & skf21("4","5","3","6","2","5","3","1") = "5"
    & skf21("4","5","3","6","2","5","4","1") = "5"
    & skf21("4","5","3","6","2","5","5","1") = "5"
    & skf21("4","5","3","6","2","5","6","1") = "5"
    & skf21("4","5","3","6","2","5","7","1") = "6"
    & skf21("4","5","3","6","2","6","1","1") = "5"
    & skf21("4","5","3","6","2","6","2","1") = "5"
    & skf21("4","5","3","6","2","6","3","1") = "5"
    & skf21("4","5","3","6","2","6","4","1") = "5"
    & skf21("4","5","3","6","2","6","5","1") = "5"
    & skf21("4","5","3","6","2","6","6","1") = "5"
    & skf21("4","5","3","6","2","6","7","1") = "6"
    & skf21("4","5","3","6","2","7","1","1") = "6"
    & skf21("4","5","3","6","2","7","2","1") = "6"
    & skf21("4","5","3","6","2","7","3","1") = "6"
    & skf21("4","5","3","6","2","7","4","1") = "6"
    & skf21("4","5","3","6","2","7","5","1") = "6"
    & skf21("4","5","3","6","2","7","6","1") = "6"
    & skf21("4","5","3","6","2","7","7","1") = "6"
    & skf21("4","5","3","6","3","1","1","1") = "5"
    & skf21("4","5","3","6","3","1","2","1") = "5"
    & skf21("4","5","3","6","3","1","3","1") = "5"
    & skf21("4","5","3","6","3","1","4","1") = "5"
    & skf21("4","5","3","6","3","1","5","1") = "5"
    & skf21("4","5","3","6","3","1","6","1") = "5"
    & skf21("4","5","3","6","3","1","7","1") = "6"
    & skf21("4","5","3","6","3","2","1","1") = "5"
    & skf21("4","5","3","6","3","2","2","1") = "5"
    & skf21("4","5","3","6","3","2","3","1") = "5"
    & skf21("4","5","3","6","3","2","4","1") = "5"
    & skf21("4","5","3","6","3","2","5","1") = "5"
    & skf21("4","5","3","6","3","2","6","1") = "5"
    & skf21("4","5","3","6","3","2","7","1") = "6"
    & skf21("4","5","3","6","3","3","1","1") = "5"
    & skf21("4","5","3","6","3","3","2","1") = "5"
    & skf21("4","5","3","6","3","3","3","1") = "5"
    & skf21("4","5","3","6","3","3","4","1") = "5"
    & skf21("4","5","3","6","3","3","5","1") = "5"
    & skf21("4","5","3","6","3","3","6","1") = "5"
    & skf21("4","5","3","6","3","3","7","1") = "6"
    & skf21("4","5","3","6","3","4","1","1") = "5"
    & skf21("4","5","3","6","3","4","2","1") = "5"
    & skf21("4","5","3","6","3","4","3","1") = "5"
    & skf21("4","5","3","6","3","4","4","1") = "5"
    & skf21("4","5","3","6","3","4","5","1") = "5"
    & skf21("4","5","3","6","3","4","6","1") = "5"
    & skf21("4","5","3","6","3","4","7","1") = "6"
    & skf21("4","5","3","6","3","5","1","1") = "5"
    & skf21("4","5","3","6","3","5","2","1") = "5"
    & skf21("4","5","3","6","3","5","3","1") = "5"
    & skf21("4","5","3","6","3","5","4","1") = "5"
    & skf21("4","5","3","6","3","5","5","1") = "5"
    & skf21("4","5","3","6","3","5","6","1") = "5"
    & skf21("4","5","3","6","3","5","7","1") = "6"
    & skf21("4","5","3","6","3","6","1","1") = "5"
    & skf21("4","5","3","6","3","6","2","1") = "5"
    & skf21("4","5","3","6","3","6","3","1") = "5"
    & skf21("4","5","3","6","3","6","4","1") = "5"
    & skf21("4","5","3","6","3","6","5","1") = "5"
    & skf21("4","5","3","6","3","6","6","1") = "5"
    & skf21("4","5","3","6","3","6","7","1") = "6"
    & skf21("4","5","3","6","3","7","1","1") = "6"
    & skf21("4","5","3","6","3","7","2","1") = "6"
    & skf21("4","5","3","6","3","7","3","1") = "6"
    & skf21("4","5","3","6","3","7","4","1") = "6"
    & skf21("4","5","3","6","3","7","5","1") = "6"
    & skf21("4","5","3","6","3","7","6","1") = "6"
    & skf21("4","5","3","6","3","7","7","1") = "6"
    & skf21("4","5","3","6","4","1","1","1") = "5"
    & skf21("4","5","3","6","4","1","2","1") = "5"
    & skf21("4","5","3","6","4","1","3","1") = "5"
    & skf21("4","5","3","6","4","1","4","1") = "5"
    & skf21("4","5","3","6","4","1","5","1") = "5"
    & skf21("4","5","3","6","4","1","6","1") = "5"
    & skf21("4","5","3","6","4","1","7","1") = "6"
    & skf21("4","5","3","6","4","2","1","1") = "5"
    & skf21("4","5","3","6","4","2","2","1") = "5"
    & skf21("4","5","3","6","4","2","3","1") = "5"
    & skf21("4","5","3","6","4","2","4","1") = "5"
    & skf21("4","5","3","6","4","2","5","1") = "5"
    & skf21("4","5","3","6","4","2","6","1") = "5"
    & skf21("4","5","3","6","4","2","7","1") = "6"
    & skf21("4","5","3","6","4","3","1","1") = "5"
    & skf21("4","5","3","6","4","3","2","1") = "5"
    & skf21("4","5","3","6","4","3","3","1") = "5"
    & skf21("4","5","3","6","4","3","4","1") = "5"
    & skf21("4","5","3","6","4","3","5","1") = "5"
    & skf21("4","5","3","6","4","3","6","1") = "5"
    & skf21("4","5","3","6","4","3","7","1") = "6"
    & skf21("4","5","3","6","4","4","1","1") = "5"
    & skf21("4","5","3","6","4","4","2","1") = "5"
    & skf21("4","5","3","6","4","4","3","1") = "5"
    & skf21("4","5","3","6","4","4","4","1") = "5"
    & skf21("4","5","3","6","4","4","5","1") = "5"
    & skf21("4","5","3","6","4","4","6","1") = "5"
    & skf21("4","5","3","6","4","4","7","1") = "6"
    & skf21("4","5","3","6","4","5","1","1") = "5"
    & skf21("4","5","3","6","4","5","2","1") = "5"
    & skf21("4","5","3","6","4","5","3","1") = "5"
    & skf21("4","5","3","6","4","5","4","1") = "5"
    & skf21("4","5","3","6","4","5","5","1") = "5"
    & skf21("4","5","3","6","4","5","6","1") = "5"
    & skf21("4","5","3","6","4","5","7","1") = "6"
    & skf21("4","5","3","6","4","6","1","1") = "5"
    & skf21("4","5","3","6","4","6","2","1") = "5"
    & skf21("4","5","3","6","4","6","3","1") = "5"
    & skf21("4","5","3","6","4","6","4","1") = "5"
    & skf21("4","5","3","6","4","6","5","1") = "5"
    & skf21("4","5","3","6","4","6","6","1") = "5"
    & skf21("4","5","3","6","4","6","7","1") = "6"
    & skf21("4","5","3","6","4","7","1","1") = "6"
    & skf21("4","5","3","6","4","7","2","1") = "6"
    & skf21("4","5","3","6","4","7","3","1") = "6"
    & skf21("4","5","3","6","4","7","4","1") = "6"
    & skf21("4","5","3","6","4","7","5","1") = "6"
    & skf21("4","5","3","6","4","7","6","1") = "6"
    & skf21("4","5","3","6","4","7","7","1") = "6"
    & skf21("4","5","3","6","5","1","1","1") = "5"
    & skf21("4","5","3","6","5","1","2","1") = "5"
    & skf21("4","5","3","6","5","1","3","1") = "5"
    & skf21("4","5","3","6","5","1","4","1") = "5"
    & skf21("4","5","3","6","5","1","5","1") = "5"
    & skf21("4","5","3","6","5","1","6","1") = "5"
    & skf21("4","5","3","6","5","1","7","1") = "6"
    & skf21("4","5","3","6","5","2","1","1") = "5"
    & skf21("4","5","3","6","5","2","2","1") = "5"
    & skf21("4","5","3","6","5","2","3","1") = "5"
    & skf21("4","5","3","6","5","2","4","1") = "5"
    & skf21("4","5","3","6","5","2","5","1") = "5"
    & skf21("4","5","3","6","5","2","6","1") = "5"
    & skf21("4","5","3","6","5","2","7","1") = "6"
    & skf21("4","5","3","6","5","3","1","1") = "5"
    & skf21("4","5","3","6","5","3","2","1") = "5"
    & skf21("4","5","3","6","5","3","3","1") = "5"
    & skf21("4","5","3","6","5","3","4","1") = "5"
    & skf21("4","5","3","6","5","3","5","1") = "5"
    & skf21("4","5","3","6","5","3","6","1") = "5"
    & skf21("4","5","3","6","5","3","7","1") = "6"
    & skf21("4","5","3","6","5","4","1","1") = "5"
    & skf21("4","5","3","6","5","4","2","1") = "5"
    & skf21("4","5","3","6","5","4","3","1") = "5"
    & skf21("4","5","3","6","5","4","4","1") = "5"
    & skf21("4","5","3","6","5","4","5","1") = "5"
    & skf21("4","5","3","6","5","4","6","1") = "5"
    & skf21("4","5","3","6","5","4","7","1") = "6"
    & skf21("4","5","3","6","5","5","1","1") = "5"
    & skf21("4","5","3","6","5","5","2","1") = "5"
    & skf21("4","5","3","6","5","5","3","1") = "5"
    & skf21("4","5","3","6","5","5","4","1") = "5"
    & skf21("4","5","3","6","5","5","5","1") = "5"
    & skf21("4","5","3","6","5","5","6","1") = "5"
    & skf21("4","5","3","6","5","5","7","1") = "6"
    & skf21("4","5","3","6","5","6","1","1") = "5"
    & skf21("4","5","3","6","5","6","2","1") = "5"
    & skf21("4","5","3","6","5","6","3","1") = "5"
    & skf21("4","5","3","6","5","6","4","1") = "5"
    & skf21("4","5","3","6","5","6","5","1") = "5"
    & skf21("4","5","3","6","5","6","6","1") = "5"
    & skf21("4","5","3","6","5","6","7","1") = "6"
    & skf21("4","5","3","6","5","7","1","1") = "6"
    & skf21("4","5","3","6","5","7","2","1") = "6"
    & skf21("4","5","3","6","5","7","3","1") = "6"
    & skf21("4","5","3","6","5","7","4","1") = "6"
    & skf21("4","5","3","6","5","7","5","1") = "6"
    & skf21("4","5","3","6","5","7","6","1") = "6"
    & skf21("4","5","3","6","5","7","7","1") = "6"
    & skf21("4","5","3","6","6","1","1","1") = "5"
    & skf21("4","5","3","6","6","1","2","1") = "5"
    & skf21("4","5","3","6","6","1","3","1") = "5"
    & skf21("4","5","3","6","6","1","4","1") = "5"
    & skf21("4","5","3","6","6","1","5","1") = "5"
    & skf21("4","5","3","6","6","1","6","1") = "5"
    & skf21("4","5","3","6","6","1","7","1") = "6"
    & skf21("4","5","3","6","6","2","1","1") = "5"
    & skf21("4","5","3","6","6","2","2","1") = "5"
    & skf21("4","5","3","6","6","2","3","1") = "5"
    & skf21("4","5","3","6","6","2","4","1") = "5"
    & skf21("4","5","3","6","6","2","5","1") = "5"
    & skf21("4","5","3","6","6","2","6","1") = "5"
    & skf21("4","5","3","6","6","2","7","1") = "6"
    & skf21("4","5","3","6","6","3","1","1") = "5"
    & skf21("4","5","3","6","6","3","2","1") = "5"
    & skf21("4","5","3","6","6","3","3","1") = "5"
    & skf21("4","5","3","6","6","3","4","1") = "5"
    & skf21("4","5","3","6","6","3","5","1") = "5"
    & skf21("4","5","3","6","6","3","6","1") = "5"
    & skf21("4","5","3","6","6","3","7","1") = "6"
    & skf21("4","5","3","6","6","4","1","1") = "5"
    & skf21("4","5","3","6","6","4","2","1") = "5"
    & skf21("4","5","3","6","6","4","3","1") = "5"
    & skf21("4","5","3","6","6","4","4","1") = "5"
    & skf21("4","5","3","6","6","4","5","1") = "5"
    & skf21("4","5","3","6","6","4","6","1") = "5"
    & skf21("4","5","3","6","6","4","7","1") = "6"
    & skf21("4","5","3","6","6","5","1","1") = "5"
    & skf21("4","5","3","6","6","5","2","1") = "5"
    & skf21("4","5","3","6","6","5","3","1") = "5"
    & skf21("4","5","3","6","6","5","4","1") = "5"
    & skf21("4","5","3","6","6","5","5","1") = "5"
    & skf21("4","5","3","6","6","5","6","1") = "5"
    & skf21("4","5","3","6","6","5","7","1") = "6"
    & skf21("4","5","3","6","6","6","1","1") = "5"
    & skf21("4","5","3","6","6","6","2","1") = "5"
    & skf21("4","5","3","6","6","6","3","1") = "5"
    & skf21("4","5","3","6","6","6","4","1") = "5"
    & skf21("4","5","3","6","6","6","5","1") = "5"
    & skf21("4","5","3","6","6","6","6","1") = "5"
    & skf21("4","5","3","6","6","6","7","1") = "6"
    & skf21("4","5","3","6","6","7","1","1") = "6"
    & skf21("4","5","3","6","6","7","2","1") = "6"
    & skf21("4","5","3","6","6","7","3","1") = "6"
    & skf21("4","5","3","6","6","7","4","1") = "6"
    & skf21("4","5","3","6","6","7","5","1") = "6"
    & skf21("4","5","3","6","6","7","6","1") = "6"
    & skf21("4","5","3","6","6","7","7","1") = "6"
    & skf21("4","5","3","6","7","1","1","1") = "6"
    & skf21("4","5","3","6","7","1","2","1") = "6"
    & skf21("4","5","3","6","7","1","3","1") = "6"
    & skf21("4","5","3","6","7","1","4","1") = "6"
    & skf21("4","5","3","6","7","1","5","1") = "6"
    & skf21("4","5","3","6","7","1","6","1") = "6"
    & skf21("4","5","3","6","7","1","7","1") = "6"
    & skf21("4","5","3","6","7","2","1","1") = "6"
    & skf21("4","5","3","6","7","2","2","1") = "6"
    & skf21("4","5","3","6","7","2","3","1") = "6"
    & skf21("4","5","3","6","7","2","4","1") = "6"
    & skf21("4","5","3","6","7","2","5","1") = "6"
    & skf21("4","5","3","6","7","2","6","1") = "6"
    & skf21("4","5","3","6","7","2","7","1") = "6"
    & skf21("4","5","3","6","7","3","1","1") = "6"
    & skf21("4","5","3","6","7","3","2","1") = "6"
    & skf21("4","5","3","6","7","3","3","1") = "6"
    & skf21("4","5","3","6","7","3","4","1") = "6"
    & skf21("4","5","3","6","7","3","5","1") = "6"
    & skf21("4","5","3","6","7","3","6","1") = "6"
    & skf21("4","5","3","6","7","3","7","1") = "6"
    & skf21("4","5","3","6","7","4","1","1") = "6"
    & skf21("4","5","3","6","7","4","2","1") = "6"
    & skf21("4","5","3","6","7","4","3","1") = "6"
    & skf21("4","5","3","6","7","4","4","1") = "6"
    & skf21("4","5","3","6","7","4","5","1") = "6"
    & skf21("4","5","3","6","7","4","6","1") = "6"
    & skf21("4","5","3","6","7","4","7","1") = "6"
    & skf21("4","5","3","6","7","5","1","1") = "6"
    & skf21("4","5","3","6","7","5","2","1") = "6"
    & skf21("4","5","3","6","7","5","3","1") = "6"
    & skf21("4","5","3","6","7","5","4","1") = "6"
    & skf21("4","5","3","6","7","5","5","1") = "6"
    & skf21("4","5","3","6","7","5","6","1") = "6"
    & skf21("4","5","3","6","7","5","7","1") = "6"
    & skf21("4","5","3","6","7","6","1","1") = "6"
    & skf21("4","5","3","6","7","6","2","1") = "6"
    & skf21("4","5","3","6","7","6","3","1") = "6"
    & skf21("4","5","3","6","7","6","4","1") = "6"
    & skf21("4","5","3","6","7","6","5","1") = "6"
    & skf21("4","5","3","6","7","6","6","1") = "6"
    & skf21("4","5","3","6","7","6","7","1") = "6"
    & skf21("4","5","3","6","7","7","1","1") = "6"
    & skf21("4","5","3","6","7","7","2","1") = "6"
    & skf21("4","5","3","6","7","7","3","1") = "6"
    & skf21("4","5","3","6","7","7","4","1") = "6"
    & skf21("4","5","3","6","7","7","5","1") = "6"
    & skf21("4","5","3","6","7","7","6","1") = "6"
    & skf21("4","5","3","6","7","7","7","1") = "6"
    & skf21("4","5","3","7","1","1","1","1") = "6"
    & skf21("4","5","3","7","1","1","2","1") = "6"
    & skf21("4","5","3","7","1","1","3","1") = "6"
    & skf21("4","5","3","7","1","1","4","1") = "6"
    & skf21("4","5","3","7","1","1","5","1") = "6"
    & skf21("4","5","3","7","1","1","6","1") = "6"
    & skf21("4","5","3","7","1","1","7","1") = "6"
    & skf21("4","5","3","7","1","2","1","1") = "6"
    & skf21("4","5","3","7","1","2","2","1") = "6"
    & skf21("4","5","3","7","1","2","3","1") = "6"
    & skf21("4","5","3","7","1","2","4","1") = "6"
    & skf21("4","5","3","7","1","2","5","1") = "6"
    & skf21("4","5","3","7","1","2","6","1") = "6"
    & skf21("4","5","3","7","1","2","7","1") = "6"
    & skf21("4","5","3","7","1","3","1","1") = "6"
    & skf21("4","5","3","7","1","3","2","1") = "6"
    & skf21("4","5","3","7","1","3","3","1") = "6"
    & skf21("4","5","3","7","1","3","4","1") = "6"
    & skf21("4","5","3","7","1","3","5","1") = "6"
    & skf21("4","5","3","7","1","3","6","1") = "6"
    & skf21("4","5","3","7","1","3","7","1") = "6"
    & skf21("4","5","3","7","1","4","1","1") = "6"
    & skf21("4","5","3","7","1","4","2","1") = "6"
    & skf21("4","5","3","7","1","4","3","1") = "6"
    & skf21("4","5","3","7","1","4","4","1") = "6"
    & skf21("4","5","3","7","1","4","5","1") = "6"
    & skf21("4","5","3","7","1","4","6","1") = "6"
    & skf21("4","5","3","7","1","4","7","1") = "6"
    & skf21("4","5","3","7","1","5","1","1") = "6"
    & skf21("4","5","3","7","1","5","2","1") = "6"
    & skf21("4","5","3","7","1","5","3","1") = "6"
    & skf21("4","5","3","7","1","5","4","1") = "6"
    & skf21("4","5","3","7","1","5","5","1") = "6"
    & skf21("4","5","3","7","1","5","6","1") = "6"
    & skf21("4","5","3","7","1","5","7","1") = "6"
    & skf21("4","5","3","7","1","6","1","1") = "6"
    & skf21("4","5","3","7","1","6","2","1") = "6"
    & skf21("4","5","3","7","1","6","3","1") = "6"
    & skf21("4","5","3","7","1","6","4","1") = "6"
    & skf21("4","5","3","7","1","6","5","1") = "6"
    & skf21("4","5","3","7","1","6","6","1") = "6"
    & skf21("4","5","3","7","1","6","7","1") = "6"
    & skf21("4","5","3","7","1","7","1","1") = "6"
    & skf21("4","5","3","7","1","7","2","1") = "6"
    & skf21("4","5","3","7","1","7","3","1") = "6"
    & skf21("4","5","3","7","1","7","4","1") = "6"
    & skf21("4","5","3","7","1","7","5","1") = "6"
    & skf21("4","5","3","7","1","7","6","1") = "6"
    & skf21("4","5","3","7","1","7","7","1") = "6"
    & skf21("4","5","3","7","2","1","1","1") = "6"
    & skf21("4","5","3","7","2","1","2","1") = "6"
    & skf21("4","5","3","7","2","1","3","1") = "6"
    & skf21("4","5","3","7","2","1","4","1") = "6"
    & skf21("4","5","3","7","2","1","5","1") = "6"
    & skf21("4","5","3","7","2","1","6","1") = "6"
    & skf21("4","5","3","7","2","1","7","1") = "6"
    & skf21("4","5","3","7","2","2","1","1") = "6"
    & skf21("4","5","3","7","2","2","2","1") = "6"
    & skf21("4","5","3","7","2","2","3","1") = "6"
    & skf21("4","5","3","7","2","2","4","1") = "6"
    & skf21("4","5","3","7","2","2","5","1") = "6"
    & skf21("4","5","3","7","2","2","6","1") = "6"
    & skf21("4","5","3","7","2","2","7","1") = "6"
    & skf21("4","5","3","7","2","3","1","1") = "6"
    & skf21("4","5","3","7","2","3","2","1") = "6"
    & skf21("4","5","3","7","2","3","3","1") = "6"
    & skf21("4","5","3","7","2","3","4","1") = "6"
    & skf21("4","5","3","7","2","3","5","1") = "6"
    & skf21("4","5","3","7","2","3","6","1") = "6"
    & skf21("4","5","3","7","2","3","7","1") = "6"
    & skf21("4","5","3","7","2","4","1","1") = "6"
    & skf21("4","5","3","7","2","4","2","1") = "6"
    & skf21("4","5","3","7","2","4","3","1") = "6"
    & skf21("4","5","3","7","2","4","4","1") = "6"
    & skf21("4","5","3","7","2","4","5","1") = "6"
    & skf21("4","5","3","7","2","4","6","1") = "6"
    & skf21("4","5","3","7","2","4","7","1") = "6"
    & skf21("4","5","3","7","2","5","1","1") = "6"
    & skf21("4","5","3","7","2","5","2","1") = "6"
    & skf21("4","5","3","7","2","5","3","1") = "6"
    & skf21("4","5","3","7","2","5","4","1") = "6"
    & skf21("4","5","3","7","2","5","5","1") = "6"
    & skf21("4","5","3","7","2","5","6","1") = "6"
    & skf21("4","5","3","7","2","5","7","1") = "6"
    & skf21("4","5","3","7","2","6","1","1") = "6"
    & skf21("4","5","3","7","2","6","2","1") = "6"
    & skf21("4","5","3","7","2","6","3","1") = "6"
    & skf21("4","5","3","7","2","6","4","1") = "6"
    & skf21("4","5","3","7","2","6","5","1") = "6"
    & skf21("4","5","3","7","2","6","6","1") = "6"
    & skf21("4","5","3","7","2","6","7","1") = "6"
    & skf21("4","5","3","7","2","7","1","1") = "6"
    & skf21("4","5","3","7","2","7","2","1") = "6"
    & skf21("4","5","3","7","2","7","3","1") = "6"
    & skf21("4","5","3","7","2","7","4","1") = "6"
    & skf21("4","5","3","7","2","7","5","1") = "6"
    & skf21("4","5","3","7","2","7","6","1") = "6"
    & skf21("4","5","3","7","2","7","7","1") = "6"
    & skf21("4","5","3","7","3","1","1","1") = "6"
    & skf21("4","5","3","7","3","1","2","1") = "6"
    & skf21("4","5","3","7","3","1","3","1") = "6"
    & skf21("4","5","3","7","3","1","4","1") = "6"
    & skf21("4","5","3","7","3","1","5","1") = "6"
    & skf21("4","5","3","7","3","1","6","1") = "6"
    & skf21("4","5","3","7","3","1","7","1") = "6"
    & skf21("4","5","3","7","3","2","1","1") = "6"
    & skf21("4","5","3","7","3","2","2","1") = "6"
    & skf21("4","5","3","7","3","2","3","1") = "6"
    & skf21("4","5","3","7","3","2","4","1") = "6"
    & skf21("4","5","3","7","3","2","5","1") = "6"
    & skf21("4","5","3","7","3","2","6","1") = "6"
    & skf21("4","5","3","7","3","2","7","1") = "6"
    & skf21("4","5","3","7","3","3","1","1") = "6"
    & skf21("4","5","3","7","3","3","2","1") = "6"
    & skf21("4","5","3","7","3","3","3","1") = "6"
    & skf21("4","5","3","7","3","3","4","1") = "6"
    & skf21("4","5","3","7","3","3","5","1") = "6"
    & skf21("4","5","3","7","3","3","6","1") = "6"
    & skf21("4","5","3","7","3","3","7","1") = "6"
    & skf21("4","5","3","7","3","4","1","1") = "6"
    & skf21("4","5","3","7","3","4","2","1") = "6"
    & skf21("4","5","3","7","3","4","3","1") = "6"
    & skf21("4","5","3","7","3","4","4","1") = "6"
    & skf21("4","5","3","7","3","4","5","1") = "6"
    & skf21("4","5","3","7","3","4","6","1") = "6"
    & skf21("4","5","3","7","3","4","7","1") = "6"
    & skf21("4","5","3","7","3","5","1","1") = "6"
    & skf21("4","5","3","7","3","5","2","1") = "6"
    & skf21("4","5","3","7","3","5","3","1") = "6"
    & skf21("4","5","3","7","3","5","4","1") = "6"
    & skf21("4","5","3","7","3","5","5","1") = "6"
    & skf21("4","5","3","7","3","5","6","1") = "6"
    & skf21("4","5","3","7","3","5","7","1") = "6"
    & skf21("4","5","3","7","3","6","1","1") = "6"
    & skf21("4","5","3","7","3","6","2","1") = "6"
    & skf21("4","5","3","7","3","6","3","1") = "6"
    & skf21("4","5","3","7","3","6","4","1") = "6"
    & skf21("4","5","3","7","3","6","5","1") = "6"
    & skf21("4","5","3","7","3","6","6","1") = "6"
    & skf21("4","5","3","7","3","6","7","1") = "6"
    & skf21("4","5","3","7","3","7","1","1") = "6"
    & skf21("4","5","3","7","3","7","2","1") = "6"
    & skf21("4","5","3","7","3","7","3","1") = "6"
    & skf21("4","5","3","7","3","7","4","1") = "6"
    & skf21("4","5","3","7","3","7","5","1") = "6"
    & skf21("4","5","3","7","3","7","6","1") = "6"
    & skf21("4","5","3","7","3","7","7","1") = "6"
    & skf21("4","5","3","7","4","1","1","1") = "6"
    & skf21("4","5","3","7","4","1","2","1") = "6"
    & skf21("4","5","3","7","4","1","3","1") = "6"
    & skf21("4","5","3","7","4","1","4","1") = "6"
    & skf21("4","5","3","7","4","1","5","1") = "6"
    & skf21("4","5","3","7","4","1","6","1") = "6"
    & skf21("4","5","3","7","4","1","7","1") = "6"
    & skf21("4","5","3","7","4","2","1","1") = "6"
    & skf21("4","5","3","7","4","2","2","1") = "6"
    & skf21("4","5","3","7","4","2","3","1") = "6"
    & skf21("4","5","3","7","4","2","4","1") = "6"
    & skf21("4","5","3","7","4","2","5","1") = "6"
    & skf21("4","5","3","7","4","2","6","1") = "6"
    & skf21("4","5","3","7","4","2","7","1") = "6"
    & skf21("4","5","3","7","4","3","1","1") = "6"
    & skf21("4","5","3","7","4","3","2","1") = "6"
    & skf21("4","5","3","7","4","3","3","1") = "6"
    & skf21("4","5","3","7","4","3","4","1") = "6"
    & skf21("4","5","3","7","4","3","5","1") = "6"
    & skf21("4","5","3","7","4","3","6","1") = "6"
    & skf21("4","5","3","7","4","3","7","1") = "6"
    & skf21("4","5","3","7","4","4","1","1") = "6"
    & skf21("4","5","3","7","4","4","2","1") = "6"
    & skf21("4","5","3","7","4","4","3","1") = "6"
    & skf21("4","5","3","7","4","4","4","1") = "6"
    & skf21("4","5","3","7","4","4","5","1") = "6"
    & skf21("4","5","3","7","4","4","6","1") = "6"
    & skf21("4","5","3","7","4","4","7","1") = "6"
    & skf21("4","5","3","7","4","5","1","1") = "6"
    & skf21("4","5","3","7","4","5","2","1") = "6"
    & skf21("4","5","3","7","4","5","3","1") = "6"
    & skf21("4","5","3","7","4","5","4","1") = "6"
    & skf21("4","5","3","7","4","5","5","1") = "6"
    & skf21("4","5","3","7","4","5","6","1") = "6"
    & skf21("4","5","3","7","4","5","7","1") = "6"
    & skf21("4","5","3","7","4","6","1","1") = "6"
    & skf21("4","5","3","7","4","6","2","1") = "6"
    & skf21("4","5","3","7","4","6","3","1") = "6"
    & skf21("4","5","3","7","4","6","4","1") = "6"
    & skf21("4","5","3","7","4","6","5","1") = "6"
    & skf21("4","5","3","7","4","6","6","1") = "6"
    & skf21("4","5","3","7","4","6","7","1") = "6"
    & skf21("4","5","3","7","4","7","1","1") = "6"
    & skf21("4","5","3","7","4","7","2","1") = "6"
    & skf21("4","5","3","7","4","7","3","1") = "6"
    & skf21("4","5","3","7","4","7","4","1") = "6"
    & skf21("4","5","3","7","4","7","5","1") = "6"
    & skf21("4","5","3","7","4","7","6","1") = "6"
    & skf21("4","5","3","7","4","7","7","1") = "6"
    & skf21("4","5","3","7","5","1","1","1") = "6"
    & skf21("4","5","3","7","5","1","2","1") = "6"
    & skf21("4","5","3","7","5","1","3","1") = "6"
    & skf21("4","5","3","7","5","1","4","1") = "6"
    & skf21("4","5","3","7","5","1","5","1") = "6"
    & skf21("4","5","3","7","5","1","6","1") = "6"
    & skf21("4","5","3","7","5","1","7","1") = "6"
    & skf21("4","5","3","7","5","2","1","1") = "6"
    & skf21("4","5","3","7","5","2","2","1") = "6"
    & skf21("4","5","3","7","5","2","3","1") = "6"
    & skf21("4","5","3","7","5","2","4","1") = "6"
    & skf21("4","5","3","7","5","2","5","1") = "6"
    & skf21("4","5","3","7","5","2","6","1") = "6"
    & skf21("4","5","3","7","5","2","7","1") = "6"
    & skf21("4","5","3","7","5","3","1","1") = "6"
    & skf21("4","5","3","7","5","3","2","1") = "6"
    & skf21("4","5","3","7","5","3","3","1") = "6"
    & skf21("4","5","3","7","5","3","4","1") = "6"
    & skf21("4","5","3","7","5","3","5","1") = "6"
    & skf21("4","5","3","7","5","3","6","1") = "6"
    & skf21("4","5","3","7","5","3","7","1") = "6"
    & skf21("4","5","3","7","5","4","1","1") = "6"
    & skf21("4","5","3","7","5","4","2","1") = "6"
    & skf21("4","5","3","7","5","4","3","1") = "6"
    & skf21("4","5","3","7","5","4","4","1") = "6"
    & skf21("4","5","3","7","5","4","5","1") = "6"
    & skf21("4","5","3","7","5","4","6","1") = "6"
    & skf21("4","5","3","7","5","4","7","1") = "6"
    & skf21("4","5","3","7","5","5","1","1") = "6"
    & skf21("4","5","3","7","5","5","2","1") = "6"
    & skf21("4","5","3","7","5","5","3","1") = "6"
    & skf21("4","5","3","7","5","5","4","1") = "6"
    & skf21("4","5","3","7","5","5","5","1") = "6"
    & skf21("4","5","3","7","5","5","6","1") = "6"
    & skf21("4","5","3","7","5","5","7","1") = "6"
    & skf21("4","5","3","7","5","6","1","1") = "6"
    & skf21("4","5","3","7","5","6","2","1") = "6"
    & skf21("4","5","3","7","5","6","3","1") = "6"
    & skf21("4","5","3","7","5","6","4","1") = "6"
    & skf21("4","5","3","7","5","6","5","1") = "6"
    & skf21("4","5","3","7","5","6","6","1") = "6"
    & skf21("4","5","3","7","5","6","7","1") = "6"
    & skf21("4","5","3","7","5","7","1","1") = "6"
    & skf21("4","5","3","7","5","7","2","1") = "6"
    & skf21("4","5","3","7","5","7","3","1") = "6"
    & skf21("4","5","3","7","5","7","4","1") = "6"
    & skf21("4","5","3","7","5","7","5","1") = "6"
    & skf21("4","5","3","7","5","7","6","1") = "6"
    & skf21("4","5","3","7","5","7","7","1") = "6"
    & skf21("4","5","3","7","6","1","1","1") = "6"
    & skf21("4","5","3","7","6","1","2","1") = "6"
    & skf21("4","5","3","7","6","1","3","1") = "6"
    & skf21("4","5","3","7","6","1","4","1") = "6"
    & skf21("4","5","3","7","6","1","5","1") = "6"
    & skf21("4","5","3","7","6","1","6","1") = "6"
    & skf21("4","5","3","7","6","1","7","1") = "6"
    & skf21("4","5","3","7","6","2","1","1") = "6"
    & skf21("4","5","3","7","6","2","2","1") = "6"
    & skf21("4","5","3","7","6","2","3","1") = "6"
    & skf21("4","5","3","7","6","2","4","1") = "6"
    & skf21("4","5","3","7","6","2","5","1") = "6"
    & skf21("4","5","3","7","6","2","6","1") = "6"
    & skf21("4","5","3","7","6","2","7","1") = "6"
    & skf21("4","5","3","7","6","3","1","1") = "6"
    & skf21("4","5","3","7","6","3","2","1") = "6"
    & skf21("4","5","3","7","6","3","3","1") = "6"
    & skf21("4","5","3","7","6","3","4","1") = "6"
    & skf21("4","5","3","7","6","3","5","1") = "6"
    & skf21("4","5","3","7","6","3","6","1") = "6"
    & skf21("4","5","3","7","6","3","7","1") = "6"
    & skf21("4","5","3","7","6","4","1","1") = "6"
    & skf21("4","5","3","7","6","4","2","1") = "6"
    & skf21("4","5","3","7","6","4","3","1") = "6"
    & skf21("4","5","3","7","6","4","4","1") = "6"
    & skf21("4","5","3","7","6","4","5","1") = "6"
    & skf21("4","5","3","7","6","4","6","1") = "6"
    & skf21("4","5","3","7","6","4","7","1") = "6"
    & skf21("4","5","3","7","6","5","1","1") = "6"
    & skf21("4","5","3","7","6","5","2","1") = "6"
    & skf21("4","5","3","7","6","5","3","1") = "6"
    & skf21("4","5","3","7","6","5","4","1") = "6"
    & skf21("4","5","3","7","6","5","5","1") = "6"
    & skf21("4","5","3","7","6","5","6","1") = "6"
    & skf21("4","5","3","7","6","5","7","1") = "6"
    & skf21("4","5","3","7","6","6","1","1") = "6"
    & skf21("4","5","3","7","6","6","2","1") = "6"
    & skf21("4","5","3","7","6","6","3","1") = "6"
    & skf21("4","5","3","7","6","6","4","1") = "6"
    & skf21("4","5","3","7","6","6","5","1") = "6"
    & skf21("4","5","3","7","6","6","6","1") = "6"
    & skf21("4","5","3","7","6","6","7","1") = "6"
    & skf21("4","5","3","7","6","7","1","1") = "6"
    & skf21("4","5","3","7","6","7","2","1") = "6"
    & skf21("4","5","3","7","6","7","3","1") = "6"
    & skf21("4","5","3","7","6","7","4","1") = "6"
    & skf21("4","5","3","7","6","7","5","1") = "6"
    & skf21("4","5","3","7","6","7","6","1") = "6"
    & skf21("4","5","3","7","6","7","7","1") = "6"
    & skf21("4","5","3","7","7","1","1","1") = "6"
    & skf21("4","5","3","7","7","1","2","1") = "6"
    & skf21("4","5","3","7","7","1","3","1") = "6"
    & skf21("4","5","3","7","7","1","4","1") = "6"
    & skf21("4","5","3","7","7","1","5","1") = "6"
    & skf21("4","5","3","7","7","1","6","1") = "6"
    & skf21("4","5","3","7","7","1","7","1") = "6"
    & skf21("4","5","3","7","7","2","1","1") = "6"
    & skf21("4","5","3","7","7","2","2","1") = "6"
    & skf21("4","5","3","7","7","2","3","1") = "6"
    & skf21("4","5","3","7","7","2","4","1") = "6"
    & skf21("4","5","3","7","7","2","5","1") = "6"
    & skf21("4","5","3","7","7","2","6","1") = "6"
    & skf21("4","5","3","7","7","2","7","1") = "6"
    & skf21("4","5","3","7","7","3","1","1") = "6"
    & skf21("4","5","3","7","7","3","2","1") = "6"
    & skf21("4","5","3","7","7","3","3","1") = "6"
    & skf21("4","5","3","7","7","3","4","1") = "6"
    & skf21("4","5","3","7","7","3","5","1") = "6"
    & skf21("4","5","3","7","7","3","6","1") = "6"
    & skf21("4","5","3","7","7","3","7","1") = "6"
    & skf21("4","5","3","7","7","4","1","1") = "6"
    & skf21("4","5","3","7","7","4","2","1") = "6"
    & skf21("4","5","3","7","7","4","3","1") = "6"
    & skf21("4","5","3","7","7","4","4","1") = "6"
    & skf21("4","5","3","7","7","4","5","1") = "6"
    & skf21("4","5","3","7","7","4","6","1") = "6"
    & skf21("4","5","3","7","7","4","7","1") = "6"
    & skf21("4","5","3","7","7","5","1","1") = "6"
    & skf21("4","5","3","7","7","5","2","1") = "6"
    & skf21("4","5","3","7","7","5","3","1") = "6"
    & skf21("4","5","3","7","7","5","4","1") = "6"
    & skf21("4","5","3","7","7","5","5","1") = "6"
    & skf21("4","5","3","7","7","5","6","1") = "6"
    & skf21("4","5","3","7","7","5","7","1") = "6"
    & skf21("4","5","3","7","7","6","1","1") = "6"
    & skf21("4","5","3","7","7","6","2","1") = "6"
    & skf21("4","5","3","7","7","6","3","1") = "6"
    & skf21("4","5","3","7","7","6","4","1") = "6"
    & skf21("4","5","3","7","7","6","5","1") = "6"
    & skf21("4","5","3","7","7","6","6","1") = "6"
    & skf21("4","5","3","7","7","6","7","1") = "6"
    & skf21("4","5","3","7","7","7","1","1") = "6"
    & skf21("4","5","3","7","7","7","2","1") = "6"
    & skf21("4","5","3","7","7","7","3","1") = "6"
    & skf21("4","5","3","7","7","7","4","1") = "6"
    & skf21("4","5","3","7","7","7","5","1") = "6"
    & skf21("4","5","3","7","7","7","6","1") = "6"
    & skf21("4","5","3","7","7","7","7","1") = "6"
    & skf21("4","5","4","1","1","1","1","1") = "4"
    & skf21("4","5","4","1","1","1","2","1") = "4"
    & skf21("4","5","4","1","1","1","3","1") = "4"
    & skf21("4","5","4","1","1","1","4","1") = "4"
    & skf21("4","5","4","1","1","1","5","1") = "4"
    & skf21("4","5","4","1","1","1","6","1") = "5"
    & skf21("4","5","4","1","1","1","7","1") = "6"
    & skf21("4","5","4","1","1","2","1","1") = "4"
    & skf21("4","5","4","1","1","2","2","1") = "4"
    & skf21("4","5","4","1","1","2","3","1") = "4"
    & skf21("4","5","4","1","1","2","4","1") = "4"
    & skf21("4","5","4","1","1","2","5","1") = "4"
    & skf21("4","5","4","1","1","2","6","1") = "5"
    & skf21("4","5","4","1","1","2","7","1") = "6"
    & skf21("4","5","4","1","1","3","1","1") = "4"
    & skf21("4","5","4","1","1","3","2","1") = "4"
    & skf21("4","5","4","1","1","3","3","1") = "4"
    & skf21("4","5","4","1","1","3","4","1") = "4"
    & skf21("4","5","4","1","1","3","5","1") = "4"
    & skf21("4","5","4","1","1","3","6","1") = "5"
    & skf21("4","5","4","1","1","3","7","1") = "6"
    & skf21("4","5","4","1","1","4","1","1") = "4"
    & skf21("4","5","4","1","1","4","2","1") = "4"
    & skf21("4","5","4","1","1","4","3","1") = "4"
    & skf21("4","5","4","1","1","4","4","1") = "4"
    & skf21("4","5","4","1","1","4","5","1") = "4"
    & skf21("4","5","4","1","1","4","6","1") = "5"
    & skf21("4","5","4","1","1","4","7","1") = "6"
    & skf21("4","5","4","1","1","5","1","1") = "4"
    & skf21("4","5","4","1","1","5","2","1") = "4"
    & skf21("4","5","4","1","1","5","3","1") = "4"
    & skf21("4","5","4","1","1","5","4","1") = "4"
    & skf21("4","5","4","1","1","5","5","1") = "4"
    & skf21("4","5","4","1","1","5","6","1") = "5"
    & skf21("4","5","4","1","1","5","7","1") = "6"
    & skf21("4","5","4","1","1","6","1","1") = "5"
    & skf21("4","5","4","1","1","6","2","1") = "5"
    & skf21("4","5","4","1","1","6","3","1") = "5"
    & skf21("4","5","4","1","1","6","4","1") = "5"
    & skf21("4","5","4","1","1","6","5","1") = "5"
    & skf21("4","5","4","1","1","6","6","1") = "5"
    & skf21("4","5","4","1","1","6","7","1") = "6"
    & skf21("4","5","4","1","1","7","1","1") = "6"
    & skf21("4","5","4","1","1","7","2","1") = "6"
    & skf21("4","5","4","1","1","7","3","1") = "6"
    & skf21("4","5","4","1","1","7","4","1") = "6"
    & skf21("4","5","4","1","1","7","5","1") = "6"
    & skf21("4","5","4","1","1","7","6","1") = "6"
    & skf21("4","5","4","1","1","7","7","1") = "6"
    & skf21("4","5","4","1","2","1","1","1") = "4"
    & skf21("4","5","4","1","2","1","2","1") = "4"
    & skf21("4","5","4","1","2","1","3","1") = "4"
    & skf21("4","5","4","1","2","1","4","1") = "4"
    & skf21("4","5","4","1","2","1","5","1") = "4"
    & skf21("4","5","4","1","2","1","6","1") = "5"
    & skf21("4","5","4","1","2","1","7","1") = "6"
    & skf21("4","5","4","1","2","2","1","1") = "4"
    & skf21("4","5","4","1","2","2","2","1") = "4"
    & skf21("4","5","4","1","2","2","3","1") = "4"
    & skf21("4","5","4","1","2","2","4","1") = "4"
    & skf21("4","5","4","1","2","2","5","1") = "4"
    & skf21("4","5","4","1","2","2","6","1") = "5"
    & skf21("4","5","4","1","2","2","7","1") = "6"
    & skf21("4","5","4","1","2","3","1","1") = "4"
    & skf21("4","5","4","1","2","3","2","1") = "4"
    & skf21("4","5","4","1","2","3","3","1") = "4"
    & skf21("4","5","4","1","2","3","4","1") = "4"
    & skf21("4","5","4","1","2","3","5","1") = "4"
    & skf21("4","5","4","1","2","3","6","1") = "5"
    & skf21("4","5","4","1","2","3","7","1") = "6"
    & skf21("4","5","4","1","2","4","1","1") = "4"
    & skf21("4","5","4","1","2","4","2","1") = "4"
    & skf21("4","5","4","1","2","4","3","1") = "4"
    & skf21("4","5","4","1","2","4","4","1") = "4"
    & skf21("4","5","4","1","2","4","5","1") = "4"
    & skf21("4","5","4","1","2","4","6","1") = "5"
    & skf21("4","5","4","1","2","4","7","1") = "6"
    & skf21("4","5","4","1","2","5","1","1") = "4"
    & skf21("4","5","4","1","2","5","2","1") = "4"
    & skf21("4","5","4","1","2","5","3","1") = "4"
    & skf21("4","5","4","1","2","5","4","1") = "4"
    & skf21("4","5","4","1","2","5","5","1") = "4"
    & skf21("4","5","4","1","2","5","6","1") = "5"
    & skf21("4","5","4","1","2","5","7","1") = "6"
    & skf21("4","5","4","1","2","6","1","1") = "5"
    & skf21("4","5","4","1","2","6","2","1") = "5"
    & skf21("4","5","4","1","2","6","3","1") = "5"
    & skf21("4","5","4","1","2","6","4","1") = "5"
    & skf21("4","5","4","1","2","6","5","1") = "5"
    & skf21("4","5","4","1","2","6","6","1") = "5"
    & skf21("4","5","4","1","2","6","7","1") = "6"
    & skf21("4","5","4","1","2","7","1","1") = "6"
    & skf21("4","5","4","1","2","7","2","1") = "6"
    & skf21("4","5","4","1","2","7","3","1") = "6"
    & skf21("4","5","4","1","2","7","4","1") = "6"
    & skf21("4","5","4","1","2","7","5","1") = "6"
    & skf21("4","5","4","1","2","7","6","1") = "6"
    & skf21("4","5","4","1","2","7","7","1") = "6"
    & skf21("4","5","4","1","3","1","1","1") = "4"
    & skf21("4","5","4","1","3","1","2","1") = "4"
    & skf21("4","5","4","1","3","1","3","1") = "4"
    & skf21("4","5","4","1","3","1","4","1") = "4"
    & skf21("4","5","4","1","3","1","5","1") = "4"
    & skf21("4","5","4","1","3","1","6","1") = "5"
    & skf21("4","5","4","1","3","1","7","1") = "6"
    & skf21("4","5","4","1","3","2","1","1") = "4"
    & skf21("4","5","4","1","3","2","2","1") = "4"
    & skf21("4","5","4","1","3","2","3","1") = "4"
    & skf21("4","5","4","1","3","2","4","1") = "4"
    & skf21("4","5","4","1","3","2","5","1") = "4"
    & skf21("4","5","4","1","3","2","6","1") = "5"
    & skf21("4","5","4","1","3","2","7","1") = "6"
    & skf21("4","5","4","1","3","3","1","1") = "4"
    & skf21("4","5","4","1","3","3","2","1") = "4"
    & skf21("4","5","4","1","3","3","3","1") = "4"
    & skf21("4","5","4","1","3","3","4","1") = "4"
    & skf21("4","5","4","1","3","3","5","1") = "4"
    & skf21("4","5","4","1","3","3","6","1") = "5"
    & skf21("4","5","4","1","3","3","7","1") = "6"
    & skf21("4","5","4","1","3","4","1","1") = "4"
    & skf21("4","5","4","1","3","4","2","1") = "4"
    & skf21("4","5","4","1","3","4","3","1") = "4"
    & skf21("4","5","4","1","3","4","4","1") = "4"
    & skf21("4","5","4","1","3","4","5","1") = "4"
    & skf21("4","5","4","1","3","4","6","1") = "5"
    & skf21("4","5","4","1","3","4","7","1") = "6"
    & skf21("4","5","4","1","3","5","1","1") = "4"
    & skf21("4","5","4","1","3","5","2","1") = "4"
    & skf21("4","5","4","1","3","5","3","1") = "4"
    & skf21("4","5","4","1","3","5","4","1") = "4"
    & skf21("4","5","4","1","3","5","5","1") = "4"
    & skf21("4","5","4","1","3","5","6","1") = "5"
    & skf21("4","5","4","1","3","5","7","1") = "6"
    & skf21("4","5","4","1","3","6","1","1") = "5"
    & skf21("4","5","4","1","3","6","2","1") = "5"
    & skf21("4","5","4","1","3","6","3","1") = "5"
    & skf21("4","5","4","1","3","6","4","1") = "5"
    & skf21("4","5","4","1","3","6","5","1") = "5"
    & skf21("4","5","4","1","3","6","6","1") = "5"
    & skf21("4","5","4","1","3","6","7","1") = "6"
    & skf21("4","5","4","1","3","7","1","1") = "6"
    & skf21("4","5","4","1","3","7","2","1") = "6"
    & skf21("4","5","4","1","3","7","3","1") = "6"
    & skf21("4","5","4","1","3","7","4","1") = "6"
    & skf21("4","5","4","1","3","7","5","1") = "6"
    & skf21("4","5","4","1","3","7","6","1") = "6"
    & skf21("4","5","4","1","3","7","7","1") = "6"
    & skf21("4","5","4","1","4","1","1","1") = "4"
    & skf21("4","5","4","1","4","1","2","1") = "4"
    & skf21("4","5","4","1","4","1","3","1") = "4"
    & skf21("4","5","4","1","4","1","4","1") = "4"
    & skf21("4","5","4","1","4","1","5","1") = "4"
    & skf21("4","5","4","1","4","1","6","1") = "5"
    & skf21("4","5","4","1","4","1","7","1") = "6"
    & skf21("4","5","4","1","4","2","1","1") = "4"
    & skf21("4","5","4","1","4","2","2","1") = "4"
    & skf21("4","5","4","1","4","2","3","1") = "4"
    & skf21("4","5","4","1","4","2","4","1") = "4"
    & skf21("4","5","4","1","4","2","5","1") = "4"
    & skf21("4","5","4","1","4","2","6","1") = "5"
    & skf21("4","5","4","1","4","2","7","1") = "6"
    & skf21("4","5","4","1","4","3","1","1") = "4"
    & skf21("4","5","4","1","4","3","2","1") = "4"
    & skf21("4","5","4","1","4","3","3","1") = "4"
    & skf21("4","5","4","1","4","3","4","1") = "4"
    & skf21("4","5","4","1","4","3","5","1") = "4"
    & skf21("4","5","4","1","4","3","6","1") = "5"
    & skf21("4","5","4","1","4","3","7","1") = "6"
    & skf21("4","5","4","1","4","4","1","1") = "4"
    & skf21("4","5","4","1","4","4","2","1") = "4"
    & skf21("4","5","4","1","4","4","3","1") = "4"
    & skf21("4","5","4","1","4","4","4","1") = "4"
    & skf21("4","5","4","1","4","4","5","1") = "4"
    & skf21("4","5","4","1","4","4","6","1") = "5"
    & skf21("4","5","4","1","4","4","7","1") = "6"
    & skf21("4","5","4","1","4","5","1","1") = "4"
    & skf21("4","5","4","1","4","5","2","1") = "4"
    & skf21("4","5","4","1","4","5","3","1") = "4"
    & skf21("4","5","4","1","4","5","4","1") = "4"
    & skf21("4","5","4","1","4","5","5","1") = "4"
    & skf21("4","5","4","1","4","5","6","1") = "5"
    & skf21("4","5","4","1","4","5","7","1") = "6"
    & skf21("4","5","4","1","4","6","1","1") = "5"
    & skf21("4","5","4","1","4","6","2","1") = "5"
    & skf21("4","5","4","1","4","6","3","1") = "5"
    & skf21("4","5","4","1","4","6","4","1") = "5"
    & skf21("4","5","4","1","4","6","5","1") = "5"
    & skf21("4","5","4","1","4","6","6","1") = "5"
    & skf21("4","5","4","1","4","6","7","1") = "6"
    & skf21("4","5","4","1","4","7","1","1") = "6"
    & skf21("4","5","4","1","4","7","2","1") = "6"
    & skf21("4","5","4","1","4","7","3","1") = "6"
    & skf21("4","5","4","1","4","7","4","1") = "6"
    & skf21("4","5","4","1","4","7","5","1") = "6"
    & skf21("4","5","4","1","4","7","6","1") = "6"
    & skf21("4","5","4","1","4","7","7","1") = "6"
    & skf21("4","5","4","1","5","1","1","1") = "4"
    & skf21("4","5","4","1","5","1","2","1") = "4"
    & skf21("4","5","4","1","5","1","3","1") = "4"
    & skf21("4","5","4","1","5","1","4","1") = "4"
    & skf21("4","5","4","1","5","1","5","1") = "4"
    & skf21("4","5","4","1","5","1","6","1") = "5"
    & skf21("4","5","4","1","5","1","7","1") = "6"
    & skf21("4","5","4","1","5","2","1","1") = "4"
    & skf21("4","5","4","1","5","2","2","1") = "4"
    & skf21("4","5","4","1","5","2","3","1") = "4"
    & skf21("4","5","4","1","5","2","4","1") = "4"
    & skf21("4","5","4","1","5","2","5","1") = "4"
    & skf21("4","5","4","1","5","2","6","1") = "5"
    & skf21("4","5","4","1","5","2","7","1") = "6"
    & skf21("4","5","4","1","5","3","1","1") = "4"
    & skf21("4","5","4","1","5","3","2","1") = "4"
    & skf21("4","5","4","1","5","3","3","1") = "4"
    & skf21("4","5","4","1","5","3","4","1") = "4"
    & skf21("4","5","4","1","5","3","5","1") = "4"
    & skf21("4","5","4","1","5","3","6","1") = "5"
    & skf21("4","5","4","1","5","3","7","1") = "6"
    & skf21("4","5","4","1","5","4","1","1") = "4"
    & skf21("4","5","4","1","5","4","2","1") = "4"
    & skf21("4","5","4","1","5","4","3","1") = "4"
    & skf21("4","5","4","1","5","4","4","1") = "4"
    & skf21("4","5","4","1","5","4","5","1") = "4"
    & skf21("4","5","4","1","5","4","6","1") = "5"
    & skf21("4","5","4","1","5","4","7","1") = "6"
    & skf21("4","5","4","1","5","5","1","1") = "4"
    & skf21("4","5","4","1","5","5","2","1") = "4"
    & skf21("4","5","4","1","5","5","3","1") = "4"
    & skf21("4","5","4","1","5","5","4","1") = "4"
    & skf21("4","5","4","1","5","5","5","1") = "4"
    & skf21("4","5","4","1","5","5","6","1") = "5"
    & skf21("4","5","4","1","5","5","7","1") = "6"
    & skf21("4","5","4","1","5","6","1","1") = "5"
    & skf21("4","5","4","1","5","6","2","1") = "5"
    & skf21("4","5","4","1","5","6","3","1") = "5"
    & skf21("4","5","4","1","5","6","4","1") = "5"
    & skf21("4","5","4","1","5","6","5","1") = "5"
    & skf21("4","5","4","1","5","6","6","1") = "5"
    & skf21("4","5","4","1","5","6","7","1") = "6"
    & skf21("4","5","4","1","5","7","1","1") = "6"
    & skf21("4","5","4","1","5","7","2","1") = "6"
    & skf21("4","5","4","1","5","7","3","1") = "6"
    & skf21("4","5","4","1","5","7","4","1") = "6"
    & skf21("4","5","4","1","5","7","5","1") = "6"
    & skf21("4","5","4","1","5","7","6","1") = "6"
    & skf21("4","5","4","1","5","7","7","1") = "6"
    & skf21("4","5","4","1","6","1","1","1") = "5"
    & skf21("4","5","4","1","6","1","2","1") = "5"
    & skf21("4","5","4","1","6","1","3","1") = "5"
    & skf21("4","5","4","1","6","1","4","1") = "5"
    & skf21("4","5","4","1","6","1","5","1") = "5"
    & skf21("4","5","4","1","6","1","6","1") = "5"
    & skf21("4","5","4","1","6","1","7","1") = "6"
    & skf21("4","5","4","1","6","2","1","1") = "5"
    & skf21("4","5","4","1","6","2","2","1") = "5"
    & skf21("4","5","4","1","6","2","3","1") = "5"
    & skf21("4","5","4","1","6","2","4","1") = "5"
    & skf21("4","5","4","1","6","2","5","1") = "5"
    & skf21("4","5","4","1","6","2","6","1") = "5"
    & skf21("4","5","4","1","6","2","7","1") = "6"
    & skf21("4","5","4","1","6","3","1","1") = "5"
    & skf21("4","5","4","1","6","3","2","1") = "5"
    & skf21("4","5","4","1","6","3","3","1") = "5"
    & skf21("4","5","4","1","6","3","4","1") = "5"
    & skf21("4","5","4","1","6","3","5","1") = "5"
    & skf21("4","5","4","1","6","3","6","1") = "5"
    & skf21("4","5","4","1","6","3","7","1") = "6"
    & skf21("4","5","4","1","6","4","1","1") = "5"
    & skf21("4","5","4","1","6","4","2","1") = "5"
    & skf21("4","5","4","1","6","4","3","1") = "5"
    & skf21("4","5","4","1","6","4","4","1") = "5"
    & skf21("4","5","4","1","6","4","5","1") = "5"
    & skf21("4","5","4","1","6","4","6","1") = "5"
    & skf21("4","5","4","1","6","4","7","1") = "6"
    & skf21("4","5","4","1","6","5","1","1") = "5"
    & skf21("4","5","4","1","6","5","2","1") = "5"
    & skf21("4","5","4","1","6","5","3","1") = "5"
    & skf21("4","5","4","1","6","5","4","1") = "5"
    & skf21("4","5","4","1","6","5","5","1") = "5"
    & skf21("4","5","4","1","6","5","6","1") = "5"
    & skf21("4","5","4","1","6","5","7","1") = "6"
    & skf21("4","5","4","1","6","6","1","1") = "5"
    & skf21("4","5","4","1","6","6","2","1") = "5"
    & skf21("4","5","4","1","6","6","3","1") = "5"
    & skf21("4","5","4","1","6","6","4","1") = "5"
    & skf21("4","5","4","1","6","6","5","1") = "5"
    & skf21("4","5","4","1","6","6","6","1") = "5"
    & skf21("4","5","4","1","6","6","7","1") = "6"
    & skf21("4","5","4","1","6","7","1","1") = "6"
    & skf21("4","5","4","1","6","7","2","1") = "6"
    & skf21("4","5","4","1","6","7","3","1") = "6"
    & skf21("4","5","4","1","6","7","4","1") = "6"
    & skf21("4","5","4","1","6","7","5","1") = "6"
    & skf21("4","5","4","1","6","7","6","1") = "6"
    & skf21("4","5","4","1","6","7","7","1") = "6"
    & skf21("4","5","4","1","7","1","1","1") = "6"
    & skf21("4","5","4","1","7","1","2","1") = "6"
    & skf21("4","5","4","1","7","1","3","1") = "6"
    & skf21("4","5","4","1","7","1","4","1") = "6"
    & skf21("4","5","4","1","7","1","5","1") = "6"
    & skf21("4","5","4","1","7","1","6","1") = "6"
    & skf21("4","5","4","1","7","1","7","1") = "6"
    & skf21("4","5","4","1","7","2","1","1") = "6"
    & skf21("4","5","4","1","7","2","2","1") = "6"
    & skf21("4","5","4","1","7","2","3","1") = "6"
    & skf21("4","5","4","1","7","2","4","1") = "6"
    & skf21("4","5","4","1","7","2","5","1") = "6"
    & skf21("4","5","4","1","7","2","6","1") = "6"
    & skf21("4","5","4","1","7","2","7","1") = "6"
    & skf21("4","5","4","1","7","3","1","1") = "6"
    & skf21("4","5","4","1","7","3","2","1") = "6"
    & skf21("4","5","4","1","7","3","3","1") = "6"
    & skf21("4","5","4","1","7","3","4","1") = "6"
    & skf21("4","5","4","1","7","3","5","1") = "6"
    & skf21("4","5","4","1","7","3","6","1") = "6"
    & skf21("4","5","4","1","7","3","7","1") = "6"
    & skf21("4","5","4","1","7","4","1","1") = "6"
    & skf21("4","5","4","1","7","4","2","1") = "6"
    & skf21("4","5","4","1","7","4","3","1") = "6"
    & skf21("4","5","4","1","7","4","4","1") = "6"
    & skf21("4","5","4","1","7","4","5","1") = "6"
    & skf21("4","5","4","1","7","4","6","1") = "6"
    & skf21("4","5","4","1","7","4","7","1") = "6"
    & skf21("4","5","4","1","7","5","1","1") = "6"
    & skf21("4","5","4","1","7","5","2","1") = "6"
    & skf21("4","5","4","1","7","5","3","1") = "6"
    & skf21("4","5","4","1","7","5","4","1") = "6"
    & skf21("4","5","4","1","7","5","5","1") = "6"
    & skf21("4","5","4","1","7","5","6","1") = "6"
    & skf21("4","5","4","1","7","5","7","1") = "6"
    & skf21("4","5","4","1","7","6","1","1") = "6"
    & skf21("4","5","4","1","7","6","2","1") = "6"
    & skf21("4","5","4","1","7","6","3","1") = "6"
    & skf21("4","5","4","1","7","6","4","1") = "6"
    & skf21("4","5","4","1","7","6","5","1") = "6"
    & skf21("4","5","4","1","7","6","6","1") = "6"
    & skf21("4","5","4","1","7","6","7","1") = "6"
    & skf21("4","5","4","1","7","7","1","1") = "6"
    & skf21("4","5","4","1","7","7","2","1") = "6"
    & skf21("4","5","4","1","7","7","3","1") = "6"
    & skf21("4","5","4","1","7","7","4","1") = "6"
    & skf21("4","5","4","1","7","7","5","1") = "6"
    & skf21("4","5","4","1","7","7","6","1") = "6"
    & skf21("4","5","4","1","7","7","7","1") = "6"
    & skf21("4","5","4","2","1","1","1","1") = "4"
    & skf21("4","5","4","2","1","1","2","1") = "4"
    & skf21("4","5","4","2","1","1","3","1") = "4"
    & skf21("4","5","4","2","1","1","4","1") = "4"
    & skf21("4","5","4","2","1","1","5","1") = "4"
    & skf21("4","5","4","2","1","1","6","1") = "5"
    & skf21("4","5","4","2","1","1","7","1") = "6"
    & skf21("4","5","4","2","1","2","1","1") = "4"
    & skf21("4","5","4","2","1","2","2","1") = "4"
    & skf21("4","5","4","2","1","2","3","1") = "4"
    & skf21("4","5","4","2","1","2","4","1") = "4"
    & skf21("4","5","4","2","1","2","5","1") = "4"
    & skf21("4","5","4","2","1","2","6","1") = "5"
    & skf21("4","5","4","2","1","2","7","1") = "6"
    & skf21("4","5","4","2","1","3","1","1") = "4"
    & skf21("4","5","4","2","1","3","2","1") = "4"
    & skf21("4","5","4","2","1","3","3","1") = "4"
    & skf21("4","5","4","2","1","3","4","1") = "4"
    & skf21("4","5","4","2","1","3","5","1") = "4"
    & skf21("4","5","4","2","1","3","6","1") = "5"
    & skf21("4","5","4","2","1","3","7","1") = "6"
    & skf21("4","5","4","2","1","4","1","1") = "4"
    & skf21("4","5","4","2","1","4","2","1") = "4"
    & skf21("4","5","4","2","1","4","3","1") = "4"
    & skf21("4","5","4","2","1","4","4","1") = "4"
    & skf21("4","5","4","2","1","4","5","1") = "4"
    & skf21("4","5","4","2","1","4","6","1") = "5"
    & skf21("4","5","4","2","1","4","7","1") = "6"
    & skf21("4","5","4","2","1","5","1","1") = "4"
    & skf21("4","5","4","2","1","5","2","1") = "4"
    & skf21("4","5","4","2","1","5","3","1") = "4"
    & skf21("4","5","4","2","1","5","4","1") = "4"
    & skf21("4","5","4","2","1","5","5","1") = "4"
    & skf21("4","5","4","2","1","5","6","1") = "5"
    & skf21("4","5","4","2","1","5","7","1") = "6"
    & skf21("4","5","4","2","1","6","1","1") = "5"
    & skf21("4","5","4","2","1","6","2","1") = "5"
    & skf21("4","5","4","2","1","6","3","1") = "5"
    & skf21("4","5","4","2","1","6","4","1") = "5"
    & skf21("4","5","4","2","1","6","5","1") = "5"
    & skf21("4","5","4","2","1","6","6","1") = "5"
    & skf21("4","5","4","2","1","6","7","1") = "6"
    & skf21("4","5","4","2","1","7","1","1") = "6"
    & skf21("4","5","4","2","1","7","2","1") = "6"
    & skf21("4","5","4","2","1","7","3","1") = "6"
    & skf21("4","5","4","2","1","7","4","1") = "6"
    & skf21("4","5","4","2","1","7","5","1") = "6"
    & skf21("4","5","4","2","1","7","6","1") = "6"
    & skf21("4","5","4","2","1","7","7","1") = "6"
    & skf21("4","5","4","2","2","1","1","1") = "4"
    & skf21("4","5","4","2","2","1","2","1") = "4"
    & skf21("4","5","4","2","2","1","3","1") = "4"
    & skf21("4","5","4","2","2","1","4","1") = "4"
    & skf21("4","5","4","2","2","1","5","1") = "4"
    & skf21("4","5","4","2","2","1","6","1") = "5"
    & skf21("4","5","4","2","2","1","7","1") = "6"
    & skf21("4","5","4","2","2","2","1","1") = "4"
    & skf21("4","5","4","2","2","2","2","1") = "4"
    & skf21("4","5","4","2","2","2","3","1") = "4"
    & skf21("4","5","4","2","2","2","4","1") = "4"
    & skf21("4","5","4","2","2","2","5","1") = "4"
    & skf21("4","5","4","2","2","2","6","1") = "5"
    & skf21("4","5","4","2","2","2","7","1") = "6"
    & skf21("4","5","4","2","2","3","1","1") = "4"
    & skf21("4","5","4","2","2","3","2","1") = "4"
    & skf21("4","5","4","2","2","3","3","1") = "4"
    & skf21("4","5","4","2","2","3","4","1") = "4"
    & skf21("4","5","4","2","2","3","5","1") = "4"
    & skf21("4","5","4","2","2","3","6","1") = "5"
    & skf21("4","5","4","2","2","3","7","1") = "6"
    & skf21("4","5","4","2","2","4","1","1") = "4"
    & skf21("4","5","4","2","2","4","2","1") = "4"
    & skf21("4","5","4","2","2","4","3","1") = "4"
    & skf21("4","5","4","2","2","4","4","1") = "4"
    & skf21("4","5","4","2","2","4","5","1") = "4"
    & skf21("4","5","4","2","2","4","6","1") = "5"
    & skf21("4","5","4","2","2","4","7","1") = "6"
    & skf21("4","5","4","2","2","5","1","1") = "4"
    & skf21("4","5","4","2","2","5","2","1") = "4"
    & skf21("4","5","4","2","2","5","3","1") = "4"
    & skf21("4","5","4","2","2","5","4","1") = "4"
    & skf21("4","5","4","2","2","5","5","1") = "4"
    & skf21("4","5","4","2","2","5","6","1") = "5"
    & skf21("4","5","4","2","2","5","7","1") = "6"
    & skf21("4","5","4","2","2","6","1","1") = "5"
    & skf21("4","5","4","2","2","6","2","1") = "5"
    & skf21("4","5","4","2","2","6","3","1") = "5"
    & skf21("4","5","4","2","2","6","4","1") = "5"
    & skf21("4","5","4","2","2","6","5","1") = "5"
    & skf21("4","5","4","2","2","6","6","1") = "5"
    & skf21("4","5","4","2","2","6","7","1") = "6"
    & skf21("4","5","4","2","2","7","1","1") = "6"
    & skf21("4","5","4","2","2","7","2","1") = "6"
    & skf21("4","5","4","2","2","7","3","1") = "6"
    & skf21("4","5","4","2","2","7","4","1") = "6"
    & skf21("4","5","4","2","2","7","5","1") = "6"
    & skf21("4","5","4","2","2","7","6","1") = "6"
    & skf21("4","5","4","2","2","7","7","1") = "6"
    & skf21("4","5","4","2","3","1","1","1") = "4"
    & skf21("4","5","4","2","3","1","2","1") = "4"
    & skf21("4","5","4","2","3","1","3","1") = "4"
    & skf21("4","5","4","2","3","1","4","1") = "4"
    & skf21("4","5","4","2","3","1","5","1") = "4"
    & skf21("4","5","4","2","3","1","6","1") = "5"
    & skf21("4","5","4","2","3","1","7","1") = "6"
    & skf21("4","5","4","2","3","2","1","1") = "4"
    & skf21("4","5","4","2","3","2","2","1") = "4"
    & skf21("4","5","4","2","3","2","3","1") = "4"
    & skf21("4","5","4","2","3","2","4","1") = "4"
    & skf21("4","5","4","2","3","2","5","1") = "4"
    & skf21("4","5","4","2","3","2","6","1") = "5"
    & skf21("4","5","4","2","3","2","7","1") = "6"
    & skf21("4","5","4","2","3","3","1","1") = "4"
    & skf21("4","5","4","2","3","3","2","1") = "4"
    & skf21("4","5","4","2","3","3","3","1") = "4"
    & skf21("4","5","4","2","3","3","4","1") = "4"
    & skf21("4","5","4","2","3","3","5","1") = "4"
    & skf21("4","5","4","2","3","3","6","1") = "5"
    & skf21("4","5","4","2","3","3","7","1") = "6"
    & skf21("4","5","4","2","3","4","1","1") = "4"
    & skf21("4","5","4","2","3","4","2","1") = "4"
    & skf21("4","5","4","2","3","4","3","1") = "4"
    & skf21("4","5","4","2","3","4","4","1") = "4"
    & skf21("4","5","4","2","3","4","5","1") = "4"
    & skf21("4","5","4","2","3","4","6","1") = "5"
    & skf21("4","5","4","2","3","4","7","1") = "6"
    & skf21("4","5","4","2","3","5","1","1") = "4"
    & skf21("4","5","4","2","3","5","2","1") = "4"
    & skf21("4","5","4","2","3","5","3","1") = "4"
    & skf21("4","5","4","2","3","5","4","1") = "4"
    & skf21("4","5","4","2","3","5","5","1") = "4"
    & skf21("4","5","4","2","3","5","6","1") = "5"
    & skf21("4","5","4","2","3","5","7","1") = "6"
    & skf21("4","5","4","2","3","6","1","1") = "5"
    & skf21("4","5","4","2","3","6","2","1") = "5"
    & skf21("4","5","4","2","3","6","3","1") = "5"
    & skf21("4","5","4","2","3","6","4","1") = "5"
    & skf21("4","5","4","2","3","6","5","1") = "5"
    & skf21("4","5","4","2","3","6","6","1") = "5"
    & skf21("4","5","4","2","3","6","7","1") = "6"
    & skf21("4","5","4","2","3","7","1","1") = "6"
    & skf21("4","5","4","2","3","7","2","1") = "6"
    & skf21("4","5","4","2","3","7","3","1") = "6"
    & skf21("4","5","4","2","3","7","4","1") = "6"
    & skf21("4","5","4","2","3","7","5","1") = "6"
    & skf21("4","5","4","2","3","7","6","1") = "6"
    & skf21("4","5","4","2","3","7","7","1") = "6"
    & skf21("4","5","4","2","4","1","1","1") = "4"
    & skf21("4","5","4","2","4","1","2","1") = "4"
    & skf21("4","5","4","2","4","1","3","1") = "4"
    & skf21("4","5","4","2","4","1","4","1") = "4"
    & skf21("4","5","4","2","4","1","5","1") = "4"
    & skf21("4","5","4","2","4","1","6","1") = "5"
    & skf21("4","5","4","2","4","1","7","1") = "6"
    & skf21("4","5","4","2","4","2","1","1") = "4"
    & skf21("4","5","4","2","4","2","2","1") = "4"
    & skf21("4","5","4","2","4","2","3","1") = "4"
    & skf21("4","5","4","2","4","2","4","1") = "4"
    & skf21("4","5","4","2","4","2","5","1") = "4"
    & skf21("4","5","4","2","4","2","6","1") = "5"
    & skf21("4","5","4","2","4","2","7","1") = "6"
    & skf21("4","5","4","2","4","3","1","1") = "4"
    & skf21("4","5","4","2","4","3","2","1") = "4"
    & skf21("4","5","4","2","4","3","3","1") = "4"
    & skf21("4","5","4","2","4","3","4","1") = "4"
    & skf21("4","5","4","2","4","3","5","1") = "4"
    & skf21("4","5","4","2","4","3","6","1") = "5"
    & skf21("4","5","4","2","4","3","7","1") = "6"
    & skf21("4","5","4","2","4","4","1","1") = "4"
    & skf21("4","5","4","2","4","4","2","1") = "4"
    & skf21("4","5","4","2","4","4","3","1") = "4"
    & skf21("4","5","4","2","4","4","4","1") = "4"
    & skf21("4","5","4","2","4","4","5","1") = "4"
    & skf21("4","5","4","2","4","4","6","1") = "5"
    & skf21("4","5","4","2","4","4","7","1") = "6"
    & skf21("4","5","4","2","4","5","1","1") = "4"
    & skf21("4","5","4","2","4","5","2","1") = "4"
    & skf21("4","5","4","2","4","5","3","1") = "4"
    & skf21("4","5","4","2","4","5","4","1") = "4"
    & skf21("4","5","4","2","4","5","5","1") = "4"
    & skf21("4","5","4","2","4","5","6","1") = "5"
    & skf21("4","5","4","2","4","5","7","1") = "6"
    & skf21("4","5","4","2","4","6","1","1") = "5"
    & skf21("4","5","4","2","4","6","2","1") = "5"
    & skf21("4","5","4","2","4","6","3","1") = "5"
    & skf21("4","5","4","2","4","6","4","1") = "5"
    & skf21("4","5","4","2","4","6","5","1") = "5"
    & skf21("4","5","4","2","4","6","6","1") = "5"
    & skf21("4","5","4","2","4","6","7","1") = "6"
    & skf21("4","5","4","2","4","7","1","1") = "6"
    & skf21("4","5","4","2","4","7","2","1") = "6"
    & skf21("4","5","4","2","4","7","3","1") = "6"
    & skf21("4","5","4","2","4","7","4","1") = "6"
    & skf21("4","5","4","2","4","7","5","1") = "6"
    & skf21("4","5","4","2","4","7","6","1") = "6"
    & skf21("4","5","4","2","4","7","7","1") = "6"
    & skf21("4","5","4","2","5","1","1","1") = "4"
    & skf21("4","5","4","2","5","1","2","1") = "4"
    & skf21("4","5","4","2","5","1","3","1") = "4"
    & skf21("4","5","4","2","5","1","4","1") = "4"
    & skf21("4","5","4","2","5","1","5","1") = "4"
    & skf21("4","5","4","2","5","1","6","1") = "5"
    & skf21("4","5","4","2","5","1","7","1") = "6"
    & skf21("4","5","4","2","5","2","1","1") = "4"
    & skf21("4","5","4","2","5","2","2","1") = "4"
    & skf21("4","5","4","2","5","2","3","1") = "4"
    & skf21("4","5","4","2","5","2","4","1") = "4"
    & skf21("4","5","4","2","5","2","5","1") = "4"
    & skf21("4","5","4","2","5","2","6","1") = "5"
    & skf21("4","5","4","2","5","2","7","1") = "6"
    & skf21("4","5","4","2","5","3","1","1") = "4"
    & skf21("4","5","4","2","5","3","2","1") = "4"
    & skf21("4","5","4","2","5","3","3","1") = "4"
    & skf21("4","5","4","2","5","3","4","1") = "4"
    & skf21("4","5","4","2","5","3","5","1") = "4"
    & skf21("4","5","4","2","5","3","6","1") = "5"
    & skf21("4","5","4","2","5","3","7","1") = "6"
    & skf21("4","5","4","2","5","4","1","1") = "4"
    & skf21("4","5","4","2","5","4","2","1") = "4"
    & skf21("4","5","4","2","5","4","3","1") = "4"
    & skf21("4","5","4","2","5","4","4","1") = "4"
    & skf21("4","5","4","2","5","4","5","1") = "4"
    & skf21("4","5","4","2","5","4","6","1") = "5"
    & skf21("4","5","4","2","5","4","7","1") = "6"
    & skf21("4","5","4","2","5","5","1","1") = "4"
    & skf21("4","5","4","2","5","5","2","1") = "4"
    & skf21("4","5","4","2","5","5","3","1") = "4"
    & skf21("4","5","4","2","5","5","4","1") = "4"
    & skf21("4","5","4","2","5","5","5","1") = "4"
    & skf21("4","5","4","2","5","5","6","1") = "5"
    & skf21("4","5","4","2","5","5","7","1") = "6"
    & skf21("4","5","4","2","5","6","1","1") = "5"
    & skf21("4","5","4","2","5","6","2","1") = "5"
    & skf21("4","5","4","2","5","6","3","1") = "5"
    & skf21("4","5","4","2","5","6","4","1") = "5"
    & skf21("4","5","4","2","5","6","5","1") = "5"
    & skf21("4","5","4","2","5","6","6","1") = "5"
    & skf21("4","5","4","2","5","6","7","1") = "6"
    & skf21("4","5","4","2","5","7","1","1") = "6"
    & skf21("4","5","4","2","5","7","2","1") = "6"
    & skf21("4","5","4","2","5","7","3","1") = "6"
    & skf21("4","5","4","2","5","7","4","1") = "6"
    & skf21("4","5","4","2","5","7","5","1") = "6"
    & skf21("4","5","4","2","5","7","6","1") = "6"
    & skf21("4","5","4","2","5","7","7","1") = "6"
    & skf21("4","5","4","2","6","1","1","1") = "5"
    & skf21("4","5","4","2","6","1","2","1") = "5"
    & skf21("4","5","4","2","6","1","3","1") = "5"
    & skf21("4","5","4","2","6","1","4","1") = "5"
    & skf21("4","5","4","2","6","1","5","1") = "5"
    & skf21("4","5","4","2","6","1","6","1") = "5"
    & skf21("4","5","4","2","6","1","7","1") = "6"
    & skf21("4","5","4","2","6","2","1","1") = "5"
    & skf21("4","5","4","2","6","2","2","1") = "5"
    & skf21("4","5","4","2","6","2","3","1") = "5"
    & skf21("4","5","4","2","6","2","4","1") = "5"
    & skf21("4","5","4","2","6","2","5","1") = "5"
    & skf21("4","5","4","2","6","2","6","1") = "5"
    & skf21("4","5","4","2","6","2","7","1") = "6"
    & skf21("4","5","4","2","6","3","1","1") = "5"
    & skf21("4","5","4","2","6","3","2","1") = "5"
    & skf21("4","5","4","2","6","3","3","1") = "5"
    & skf21("4","5","4","2","6","3","4","1") = "5"
    & skf21("4","5","4","2","6","3","5","1") = "5"
    & skf21("4","5","4","2","6","3","6","1") = "5"
    & skf21("4","5","4","2","6","3","7","1") = "6"
    & skf21("4","5","4","2","6","4","1","1") = "5"
    & skf21("4","5","4","2","6","4","2","1") = "5"
    & skf21("4","5","4","2","6","4","3","1") = "5"
    & skf21("4","5","4","2","6","4","4","1") = "5"
    & skf21("4","5","4","2","6","4","5","1") = "5"
    & skf21("4","5","4","2","6","4","6","1") = "5"
    & skf21("4","5","4","2","6","4","7","1") = "6"
    & skf21("4","5","4","2","6","5","1","1") = "5"
    & skf21("4","5","4","2","6","5","2","1") = "5"
    & skf21("4","5","4","2","6","5","3","1") = "5"
    & skf21("4","5","4","2","6","5","4","1") = "5"
    & skf21("4","5","4","2","6","5","5","1") = "5"
    & skf21("4","5","4","2","6","5","6","1") = "5"
    & skf21("4","5","4","2","6","5","7","1") = "6"
    & skf21("4","5","4","2","6","6","1","1") = "5"
    & skf21("4","5","4","2","6","6","2","1") = "5"
    & skf21("4","5","4","2","6","6","3","1") = "5"
    & skf21("4","5","4","2","6","6","4","1") = "5"
    & skf21("4","5","4","2","6","6","5","1") = "5"
    & skf21("4","5","4","2","6","6","6","1") = "5"
    & skf21("4","5","4","2","6","6","7","1") = "6"
    & skf21("4","5","4","2","6","7","1","1") = "6"
    & skf21("4","5","4","2","6","7","2","1") = "6"
    & skf21("4","5","4","2","6","7","3","1") = "6"
    & skf21("4","5","4","2","6","7","4","1") = "6"
    & skf21("4","5","4","2","6","7","5","1") = "6"
    & skf21("4","5","4","2","6","7","6","1") = "6"
    & skf21("4","5","4","2","6","7","7","1") = "6"
    & skf21("4","5","4","2","7","1","1","1") = "6"
    & skf21("4","5","4","2","7","1","2","1") = "6"
    & skf21("4","5","4","2","7","1","3","1") = "6"
    & skf21("4","5","4","2","7","1","4","1") = "6"
    & skf21("4","5","4","2","7","1","5","1") = "6"
    & skf21("4","5","4","2","7","1","6","1") = "6"
    & skf21("4","5","4","2","7","1","7","1") = "6"
    & skf21("4","5","4","2","7","2","1","1") = "6"
    & skf21("4","5","4","2","7","2","2","1") = "6"
    & skf21("4","5","4","2","7","2","3","1") = "6"
    & skf21("4","5","4","2","7","2","4","1") = "6"
    & skf21("4","5","4","2","7","2","5","1") = "6"
    & skf21("4","5","4","2","7","2","6","1") = "6"
    & skf21("4","5","4","2","7","2","7","1") = "6"
    & skf21("4","5","4","2","7","3","1","1") = "6"
    & skf21("4","5","4","2","7","3","2","1") = "6"
    & skf21("4","5","4","2","7","3","3","1") = "6"
    & skf21("4","5","4","2","7","3","4","1") = "6"
    & skf21("4","5","4","2","7","3","5","1") = "6"
    & skf21("4","5","4","2","7","3","6","1") = "6"
    & skf21("4","5","4","2","7","3","7","1") = "6"
    & skf21("4","5","4","2","7","4","1","1") = "6"
    & skf21("4","5","4","2","7","4","2","1") = "6"
    & skf21("4","5","4","2","7","4","3","1") = "6"
    & skf21("4","5","4","2","7","4","4","1") = "6"
    & skf21("4","5","4","2","7","4","5","1") = "6"
    & skf21("4","5","4","2","7","4","6","1") = "6"
    & skf21("4","5","4","2","7","4","7","1") = "6"
    & skf21("4","5","4","2","7","5","1","1") = "6"
    & skf21("4","5","4","2","7","5","2","1") = "6"
    & skf21("4","5","4","2","7","5","3","1") = "6"
    & skf21("4","5","4","2","7","5","4","1") = "6"
    & skf21("4","5","4","2","7","5","5","1") = "6"
    & skf21("4","5","4","2","7","5","6","1") = "6"
    & skf21("4","5","4","2","7","5","7","1") = "6"
    & skf21("4","5","4","2","7","6","1","1") = "6"
    & skf21("4","5","4","2","7","6","2","1") = "6"
    & skf21("4","5","4","2","7","6","3","1") = "6"
    & skf21("4","5","4","2","7","6","4","1") = "6"
    & skf21("4","5","4","2","7","6","5","1") = "6"
    & skf21("4","5","4","2","7","6","6","1") = "6"
    & skf21("4","5","4","2","7","6","7","1") = "6"
    & skf21("4","5","4","2","7","7","1","1") = "6"
    & skf21("4","5","4","2","7","7","2","1") = "6"
    & skf21("4","5","4","2","7","7","3","1") = "6"
    & skf21("4","5","4","2","7","7","4","1") = "6"
    & skf21("4","5","4","2","7","7","5","1") = "6"
    & skf21("4","5","4","2","7","7","6","1") = "6"
    & skf21("4","5","4","2","7","7","7","1") = "6"
    & skf21("4","5","4","3","1","1","1","1") = "4"
    & skf21("4","5","4","3","1","1","2","1") = "4"
    & skf21("4","5","4","3","1","1","3","1") = "4"
    & skf21("4","5","4","3","1","1","4","1") = "4"
    & skf21("4","5","4","3","1","1","5","1") = "4"
    & skf21("4","5","4","3","1","1","6","1") = "5"
    & skf21("4","5","4","3","1","1","7","1") = "6"
    & skf21("4","5","4","3","1","2","1","1") = "4"
    & skf21("4","5","4","3","1","2","2","1") = "4"
    & skf21("4","5","4","3","1","2","3","1") = "4"
    & skf21("4","5","4","3","1","2","4","1") = "4"
    & skf21("4","5","4","3","1","2","5","1") = "4"
    & skf21("4","5","4","3","1","2","6","1") = "5"
    & skf21("4","5","4","3","1","2","7","1") = "6"
    & skf21("4","5","4","3","1","3","1","1") = "4"
    & skf21("4","5","4","3","1","3","2","1") = "4"
    & skf21("4","5","4","3","1","3","3","1") = "4"
    & skf21("4","5","4","3","1","3","4","1") = "4"
    & skf21("4","5","4","3","1","3","5","1") = "4"
    & skf21("4","5","4","3","1","3","6","1") = "5"
    & skf21("4","5","4","3","1","3","7","1") = "6"
    & skf21("4","5","4","3","1","4","1","1") = "4"
    & skf21("4","5","4","3","1","4","2","1") = "4"
    & skf21("4","5","4","3","1","4","3","1") = "4"
    & skf21("4","5","4","3","1","4","4","1") = "4"
    & skf21("4","5","4","3","1","4","5","1") = "4"
    & skf21("4","5","4","3","1","4","6","1") = "5"
    & skf21("4","5","4","3","1","4","7","1") = "6"
    & skf21("4","5","4","3","1","5","1","1") = "4"
    & skf21("4","5","4","3","1","5","2","1") = "4"
    & skf21("4","5","4","3","1","5","3","1") = "4"
    & skf21("4","5","4","3","1","5","4","1") = "4"
    & skf21("4","5","4","3","1","5","5","1") = "4"
    & skf21("4","5","4","3","1","5","6","1") = "5"
    & skf21("4","5","4","3","1","5","7","1") = "6"
    & skf21("4","5","4","3","1","6","1","1") = "5"
    & skf21("4","5","4","3","1","6","2","1") = "5"
    & skf21("4","5","4","3","1","6","3","1") = "5"
    & skf21("4","5","4","3","1","6","4","1") = "5"
    & skf21("4","5","4","3","1","6","5","1") = "5"
    & skf21("4","5","4","3","1","6","6","1") = "5"
    & skf21("4","5","4","3","1","6","7","1") = "6"
    & skf21("4","5","4","3","1","7","1","1") = "6"
    & skf21("4","5","4","3","1","7","2","1") = "6"
    & skf21("4","5","4","3","1","7","3","1") = "6"
    & skf21("4","5","4","3","1","7","4","1") = "6"
    & skf21("4","5","4","3","1","7","5","1") = "6"
    & skf21("4","5","4","3","1","7","6","1") = "6"
    & skf21("4","5","4","3","1","7","7","1") = "6"
    & skf21("4","5","4","3","2","1","1","1") = "4"
    & skf21("4","5","4","3","2","1","2","1") = "4"
    & skf21("4","5","4","3","2","1","3","1") = "4"
    & skf21("4","5","4","3","2","1","4","1") = "4"
    & skf21("4","5","4","3","2","1","5","1") = "4"
    & skf21("4","5","4","3","2","1","6","1") = "5"
    & skf21("4","5","4","3","2","1","7","1") = "6"
    & skf21("4","5","4","3","2","2","1","1") = "4"
    & skf21("4","5","4","3","2","2","2","1") = "4"
    & skf21("4","5","4","3","2","2","3","1") = "4"
    & skf21("4","5","4","3","2","2","4","1") = "4"
    & skf21("4","5","4","3","2","2","5","1") = "4"
    & skf21("4","5","4","3","2","2","6","1") = "5"
    & skf21("4","5","4","3","2","2","7","1") = "6"
    & skf21("4","5","4","3","2","3","1","1") = "4"
    & skf21("4","5","4","3","2","3","2","1") = "4"
    & skf21("4","5","4","3","2","3","3","1") = "4"
    & skf21("4","5","4","3","2","3","4","1") = "4"
    & skf21("4","5","4","3","2","3","5","1") = "4"
    & skf21("4","5","4","3","2","3","6","1") = "5"
    & skf21("4","5","4","3","2","3","7","1") = "6"
    & skf21("4","5","4","3","2","4","1","1") = "4"
    & skf21("4","5","4","3","2","4","2","1") = "4"
    & skf21("4","5","4","3","2","4","3","1") = "4"
    & skf21("4","5","4","3","2","4","4","1") = "4"
    & skf21("4","5","4","3","2","4","5","1") = "4"
    & skf21("4","5","4","3","2","4","6","1") = "5"
    & skf21("4","5","4","3","2","4","7","1") = "6"
    & skf21("4","5","4","3","2","5","1","1") = "4"
    & skf21("4","5","4","3","2","5","2","1") = "4"
    & skf21("4","5","4","3","2","5","3","1") = "4"
    & skf21("4","5","4","3","2","5","4","1") = "4"
    & skf21("4","5","4","3","2","5","5","1") = "4"
    & skf21("4","5","4","3","2","5","6","1") = "5"
    & skf21("4","5","4","3","2","5","7","1") = "6"
    & skf21("4","5","4","3","2","6","1","1") = "5"
    & skf21("4","5","4","3","2","6","2","1") = "5"
    & skf21("4","5","4","3","2","6","3","1") = "5"
    & skf21("4","5","4","3","2","6","4","1") = "5"
    & skf21("4","5","4","3","2","6","5","1") = "5"
    & skf21("4","5","4","3","2","6","6","1") = "5"
    & skf21("4","5","4","3","2","6","7","1") = "6"
    & skf21("4","5","4","3","2","7","1","1") = "6"
    & skf21("4","5","4","3","2","7","2","1") = "6"
    & skf21("4","5","4","3","2","7","3","1") = "6"
    & skf21("4","5","4","3","2","7","4","1") = "6"
    & skf21("4","5","4","3","2","7","5","1") = "6"
    & skf21("4","5","4","3","2","7","6","1") = "6"
    & skf21("4","5","4","3","2","7","7","1") = "6"
    & skf21("4","5","4","3","3","1","1","1") = "4"
    & skf21("4","5","4","3","3","1","2","1") = "4"
    & skf21("4","5","4","3","3","1","3","1") = "4"
    & skf21("4","5","4","3","3","1","4","1") = "4"
    & skf21("4","5","4","3","3","1","5","1") = "4"
    & skf21("4","5","4","3","3","1","6","1") = "5"
    & skf21("4","5","4","3","3","1","7","1") = "6"
    & skf21("4","5","4","3","3","2","1","1") = "4"
    & skf21("4","5","4","3","3","2","2","1") = "4"
    & skf21("4","5","4","3","3","2","3","1") = "4"
    & skf21("4","5","4","3","3","2","4","1") = "4"
    & skf21("4","5","4","3","3","2","5","1") = "4"
    & skf21("4","5","4","3","3","2","6","1") = "5"
    & skf21("4","5","4","3","3","2","7","1") = "6"
    & skf21("4","5","4","3","3","3","1","1") = "4"
    & skf21("4","5","4","3","3","3","2","1") = "4"
    & skf21("4","5","4","3","3","3","3","1") = "4"
    & skf21("4","5","4","3","3","3","4","1") = "4"
    & skf21("4","5","4","3","3","3","5","1") = "4"
    & skf21("4","5","4","3","3","3","6","1") = "5"
    & skf21("4","5","4","3","3","3","7","1") = "6"
    & skf21("4","5","4","3","3","4","1","1") = "4"
    & skf21("4","5","4","3","3","4","2","1") = "4"
    & skf21("4","5","4","3","3","4","3","1") = "4"
    & skf21("4","5","4","3","3","4","4","1") = "4"
    & skf21("4","5","4","3","3","4","5","1") = "4"
    & skf21("4","5","4","3","3","4","6","1") = "5"
    & skf21("4","5","4","3","3","4","7","1") = "6"
    & skf21("4","5","4","3","3","5","1","1") = "4"
    & skf21("4","5","4","3","3","5","2","1") = "4"
    & skf21("4","5","4","3","3","5","3","1") = "4"
    & skf21("4","5","4","3","3","5","4","1") = "4"
    & skf21("4","5","4","3","3","5","5","1") = "4"
    & skf21("4","5","4","3","3","5","6","1") = "5"
    & skf21("4","5","4","3","3","5","7","1") = "6"
    & skf21("4","5","4","3","3","6","1","1") = "5"
    & skf21("4","5","4","3","3","6","2","1") = "5"
    & skf21("4","5","4","3","3","6","3","1") = "5"
    & skf21("4","5","4","3","3","6","4","1") = "5"
    & skf21("4","5","4","3","3","6","5","1") = "5"
    & skf21("4","5","4","3","3","6","6","1") = "5"
    & skf21("4","5","4","3","3","6","7","1") = "6"
    & skf21("4","5","4","3","3","7","1","1") = "6"
    & skf21("4","5","4","3","3","7","2","1") = "6"
    & skf21("4","5","4","3","3","7","3","1") = "6"
    & skf21("4","5","4","3","3","7","4","1") = "6"
    & skf21("4","5","4","3","3","7","5","1") = "6"
    & skf21("4","5","4","3","3","7","6","1") = "6"
    & skf21("4","5","4","3","3","7","7","1") = "6"
    & skf21("4","5","4","3","4","1","1","1") = "4"
    & skf21("4","5","4","3","4","1","2","1") = "4"
    & skf21("4","5","4","3","4","1","3","1") = "4"
    & skf21("4","5","4","3","4","1","4","1") = "4"
    & skf21("4","5","4","3","4","1","5","1") = "4"
    & skf21("4","5","4","3","4","1","6","1") = "5"
    & skf21("4","5","4","3","4","1","7","1") = "6"
    & skf21("4","5","4","3","4","2","1","1") = "4"
    & skf21("4","5","4","3","4","2","2","1") = "4"
    & skf21("4","5","4","3","4","2","3","1") = "4"
    & skf21("4","5","4","3","4","2","4","1") = "4"
    & skf21("4","5","4","3","4","2","5","1") = "4"
    & skf21("4","5","4","3","4","2","6","1") = "5"
    & skf21("4","5","4","3","4","2","7","1") = "6"
    & skf21("4","5","4","3","4","3","1","1") = "4"
    & skf21("4","5","4","3","4","3","2","1") = "4"
    & skf21("4","5","4","3","4","3","3","1") = "4"
    & skf21("4","5","4","3","4","3","4","1") = "4"
    & skf21("4","5","4","3","4","3","5","1") = "4"
    & skf21("4","5","4","3","4","3","6","1") = "5"
    & skf21("4","5","4","3","4","3","7","1") = "6"
    & skf21("4","5","4","3","4","4","1","1") = "4"
    & skf21("4","5","4","3","4","4","2","1") = "4"
    & skf21("4","5","4","3","4","4","3","1") = "4"
    & skf21("4","5","4","3","4","4","4","1") = "4"
    & skf21("4","5","4","3","4","4","5","1") = "4"
    & skf21("4","5","4","3","4","4","6","1") = "5"
    & skf21("4","5","4","3","4","4","7","1") = "6"
    & skf21("4","5","4","3","4","5","1","1") = "4"
    & skf21("4","5","4","3","4","5","2","1") = "4"
    & skf21("4","5","4","3","4","5","3","1") = "4"
    & skf21("4","5","4","3","4","5","4","1") = "4"
    & skf21("4","5","4","3","4","5","5","1") = "4"
    & skf21("4","5","4","3","4","5","6","1") = "5"
    & skf21("4","5","4","3","4","5","7","1") = "6"
    & skf21("4","5","4","3","4","6","1","1") = "5"
    & skf21("4","5","4","3","4","6","2","1") = "5"
    & skf21("4","5","4","3","4","6","3","1") = "5"
    & skf21("4","5","4","3","4","6","4","1") = "5"
    & skf21("4","5","4","3","4","6","5","1") = "5"
    & skf21("4","5","4","3","4","6","6","1") = "5"
    & skf21("4","5","4","3","4","6","7","1") = "6"
    & skf21("4","5","4","3","4","7","1","1") = "6"
    & skf21("4","5","4","3","4","7","2","1") = "6"
    & skf21("4","5","4","3","4","7","3","1") = "6"
    & skf21("4","5","4","3","4","7","4","1") = "6"
    & skf21("4","5","4","3","4","7","5","1") = "6"
    & skf21("4","5","4","3","4","7","6","1") = "6"
    & skf21("4","5","4","3","4","7","7","1") = "6"
    & skf21("4","5","4","3","5","1","1","1") = "4"
    & skf21("4","5","4","3","5","1","2","1") = "4"
    & skf21("4","5","4","3","5","1","3","1") = "4"
    & skf21("4","5","4","3","5","1","4","1") = "4"
    & skf21("4","5","4","3","5","1","5","1") = "4"
    & skf21("4","5","4","3","5","1","6","1") = "5"
    & skf21("4","5","4","3","5","1","7","1") = "6"
    & skf21("4","5","4","3","5","2","1","1") = "4"
    & skf21("4","5","4","3","5","2","2","1") = "4"
    & skf21("4","5","4","3","5","2","3","1") = "4"
    & skf21("4","5","4","3","5","2","4","1") = "4"
    & skf21("4","5","4","3","5","2","5","1") = "4"
    & skf21("4","5","4","3","5","2","6","1") = "5"
    & skf21("4","5","4","3","5","2","7","1") = "6"
    & skf21("4","5","4","3","5","3","1","1") = "4"
    & skf21("4","5","4","3","5","3","2","1") = "4"
    & skf21("4","5","4","3","5","3","3","1") = "4"
    & skf21("4","5","4","3","5","3","4","1") = "4"
    & skf21("4","5","4","3","5","3","5","1") = "4"
    & skf21("4","5","4","3","5","3","6","1") = "5"
    & skf21("4","5","4","3","5","3","7","1") = "6"
    & skf21("4","5","4","3","5","4","1","1") = "4"
    & skf21("4","5","4","3","5","4","2","1") = "4"
    & skf21("4","5","4","3","5","4","3","1") = "4"
    & skf21("4","5","4","3","5","4","4","1") = "4"
    & skf21("4","5","4","3","5","4","5","1") = "4"
    & skf21("4","5","4","3","5","4","6","1") = "5"
    & skf21("4","5","4","3","5","4","7","1") = "6"
    & skf21("4","5","4","3","5","5","1","1") = "4"
    & skf21("4","5","4","3","5","5","2","1") = "4"
    & skf21("4","5","4","3","5","5","3","1") = "4"
    & skf21("4","5","4","3","5","5","4","1") = "4"
    & skf21("4","5","4","3","5","5","5","1") = "4"
    & skf21("4","5","4","3","5","5","6","1") = "5"
    & skf21("4","5","4","3","5","5","7","1") = "6"
    & skf21("4","5","4","3","5","6","1","1") = "5"
    & skf21("4","5","4","3","5","6","2","1") = "5"
    & skf21("4","5","4","3","5","6","3","1") = "5"
    & skf21("4","5","4","3","5","6","4","1") = "5"
    & skf21("4","5","4","3","5","6","5","1") = "5"
    & skf21("4","5","4","3","5","6","6","1") = "5"
    & skf21("4","5","4","3","5","6","7","1") = "6"
    & skf21("4","5","4","3","5","7","1","1") = "6"
    & skf21("4","5","4","3","5","7","2","1") = "6"
    & skf21("4","5","4","3","5","7","3","1") = "6"
    & skf21("4","5","4","3","5","7","4","1") = "6"
    & skf21("4","5","4","3","5","7","5","1") = "6"
    & skf21("4","5","4","3","5","7","6","1") = "6"
    & skf21("4","5","4","3","5","7","7","1") = "6"
    & skf21("4","5","4","3","6","1","1","1") = "5"
    & skf21("4","5","4","3","6","1","2","1") = "5"
    & skf21("4","5","4","3","6","1","3","1") = "5"
    & skf21("4","5","4","3","6","1","4","1") = "5"
    & skf21("4","5","4","3","6","1","5","1") = "5"
    & skf21("4","5","4","3","6","1","6","1") = "5"
    & skf21("4","5","4","3","6","1","7","1") = "6"
    & skf21("4","5","4","3","6","2","1","1") = "5"
    & skf21("4","5","4","3","6","2","2","1") = "5"
    & skf21("4","5","4","3","6","2","3","1") = "5"
    & skf21("4","5","4","3","6","2","4","1") = "5"
    & skf21("4","5","4","3","6","2","5","1") = "5"
    & skf21("4","5","4","3","6","2","6","1") = "5"
    & skf21("4","5","4","3","6","2","7","1") = "6"
    & skf21("4","5","4","3","6","3","1","1") = "5"
    & skf21("4","5","4","3","6","3","2","1") = "5"
    & skf21("4","5","4","3","6","3","3","1") = "5"
    & skf21("4","5","4","3","6","3","4","1") = "5"
    & skf21("4","5","4","3","6","3","5","1") = "5"
    & skf21("4","5","4","3","6","3","6","1") = "5"
    & skf21("4","5","4","3","6","3","7","1") = "6"
    & skf21("4","5","4","3","6","4","1","1") = "5"
    & skf21("4","5","4","3","6","4","2","1") = "5"
    & skf21("4","5","4","3","6","4","3","1") = "5"
    & skf21("4","5","4","3","6","4","4","1") = "5"
    & skf21("4","5","4","3","6","4","5","1") = "5"
    & skf21("4","5","4","3","6","4","6","1") = "5"
    & skf21("4","5","4","3","6","4","7","1") = "6"
    & skf21("4","5","4","3","6","5","1","1") = "5"
    & skf21("4","5","4","3","6","5","2","1") = "5"
    & skf21("4","5","4","3","6","5","3","1") = "5"
    & skf21("4","5","4","3","6","5","4","1") = "5"
    & skf21("4","5","4","3","6","5","5","1") = "5"
    & skf21("4","5","4","3","6","5","6","1") = "5"
    & skf21("4","5","4","3","6","5","7","1") = "6"
    & skf21("4","5","4","3","6","6","1","1") = "5"
    & skf21("4","5","4","3","6","6","2","1") = "5"
    & skf21("4","5","4","3","6","6","3","1") = "5"
    & skf21("4","5","4","3","6","6","4","1") = "5"
    & skf21("4","5","4","3","6","6","5","1") = "5"
    & skf21("4","5","4","3","6","6","6","1") = "5"
    & skf21("4","5","4","3","6","6","7","1") = "6"
    & skf21("4","5","4","3","6","7","1","1") = "6"
    & skf21("4","5","4","3","6","7","2","1") = "6"
    & skf21("4","5","4","3","6","7","3","1") = "6"
    & skf21("4","5","4","3","6","7","4","1") = "6"
    & skf21("4","5","4","3","6","7","5","1") = "6"
    & skf21("4","5","4","3","6","7","6","1") = "6"
    & skf21("4","5","4","3","6","7","7","1") = "6"
    & skf21("4","5","4","3","7","1","1","1") = "6"
    & skf21("4","5","4","3","7","1","2","1") = "6"
    & skf21("4","5","4","3","7","1","3","1") = "6"
    & skf21("4","5","4","3","7","1","4","1") = "6"
    & skf21("4","5","4","3","7","1","5","1") = "6"
    & skf21("4","5","4","3","7","1","6","1") = "6"
    & skf21("4","5","4","3","7","1","7","1") = "6"
    & skf21("4","5","4","3","7","2","1","1") = "6"
    & skf21("4","5","4","3","7","2","2","1") = "6"
    & skf21("4","5","4","3","7","2","3","1") = "6"
    & skf21("4","5","4","3","7","2","4","1") = "6"
    & skf21("4","5","4","3","7","2","5","1") = "6"
    & skf21("4","5","4","3","7","2","6","1") = "6"
    & skf21("4","5","4","3","7","2","7","1") = "6"
    & skf21("4","5","4","3","7","3","1","1") = "6"
    & skf21("4","5","4","3","7","3","2","1") = "6"
    & skf21("4","5","4","3","7","3","3","1") = "6"
    & skf21("4","5","4","3","7","3","4","1") = "6"
    & skf21("4","5","4","3","7","3","5","1") = "6"
    & skf21("4","5","4","3","7","3","6","1") = "6"
    & skf21("4","5","4","3","7","3","7","1") = "6"
    & skf21("4","5","4","3","7","4","1","1") = "6"
    & skf21("4","5","4","3","7","4","2","1") = "6"
    & skf21("4","5","4","3","7","4","3","1") = "6"
    & skf21("4","5","4","3","7","4","4","1") = "6"
    & skf21("4","5","4","3","7","4","5","1") = "6"
    & skf21("4","5","4","3","7","4","6","1") = "6"
    & skf21("4","5","4","3","7","4","7","1") = "6"
    & skf21("4","5","4","3","7","5","1","1") = "6"
    & skf21("4","5","4","3","7","5","2","1") = "6"
    & skf21("4","5","4","3","7","5","3","1") = "6"
    & skf21("4","5","4","3","7","5","4","1") = "6"
    & skf21("4","5","4","3","7","5","5","1") = "6"
    & skf21("4","5","4","3","7","5","6","1") = "6"
    & skf21("4","5","4","3","7","5","7","1") = "6"
    & skf21("4","5","4","3","7","6","1","1") = "6"
    & skf21("4","5","4","3","7","6","2","1") = "6"
    & skf21("4","5","4","3","7","6","3","1") = "6"
    & skf21("4","5","4","3","7","6","4","1") = "6"
    & skf21("4","5","4","3","7","6","5","1") = "6"
    & skf21("4","5","4","3","7","6","6","1") = "6"
    & skf21("4","5","4","3","7","6","7","1") = "6"
    & skf21("4","5","4","3","7","7","1","1") = "6"
    & skf21("4","5","4","3","7","7","2","1") = "6"
    & skf21("4","5","4","3","7","7","3","1") = "6"
    & skf21("4","5","4","3","7","7","4","1") = "6"
    & skf21("4","5","4","3","7","7","5","1") = "6"
    & skf21("4","5","4","3","7","7","6","1") = "6"
    & skf21("4","5","4","3","7","7","7","1") = "6"
    & skf21("4","5","4","4","1","1","1","1") = "4"
    & skf21("4","5","4","4","1","1","2","1") = "4"
    & skf21("4","5","4","4","1","1","3","1") = "4"
    & skf21("4","5","4","4","1","1","4","1") = "4"
    & skf21("4","5","4","4","1","1","5","1") = "4"
    & skf21("4","5","4","4","1","1","6","1") = "5"
    & skf21("4","5","4","4","1","1","7","1") = "6"
    & skf21("4","5","4","4","1","2","1","1") = "4"
    & skf21("4","5","4","4","1","2","2","1") = "4"
    & skf21("4","5","4","4","1","2","3","1") = "4"
    & skf21("4","5","4","4","1","2","4","1") = "4"
    & skf21("4","5","4","4","1","2","5","1") = "4"
    & skf21("4","5","4","4","1","2","6","1") = "5"
    & skf21("4","5","4","4","1","2","7","1") = "6"
    & skf21("4","5","4","4","1","3","1","1") = "4"
    & skf21("4","5","4","4","1","3","2","1") = "4"
    & skf21("4","5","4","4","1","3","3","1") = "4"
    & skf21("4","5","4","4","1","3","4","1") = "4"
    & skf21("4","5","4","4","1","3","5","1") = "4"
    & skf21("4","5","4","4","1","3","6","1") = "5"
    & skf21("4","5","4","4","1","3","7","1") = "6"
    & skf21("4","5","4","4","1","4","1","1") = "4"
    & skf21("4","5","4","4","1","4","2","1") = "4"
    & skf21("4","5","4","4","1","4","3","1") = "4"
    & skf21("4","5","4","4","1","4","4","1") = "4"
    & skf21("4","5","4","4","1","4","5","1") = "4"
    & skf21("4","5","4","4","1","4","6","1") = "5"
    & skf21("4","5","4","4","1","4","7","1") = "6"
    & skf21("4","5","4","4","1","5","1","1") = "4"
    & skf21("4","5","4","4","1","5","2","1") = "4"
    & skf21("4","5","4","4","1","5","3","1") = "4"
    & skf21("4","5","4","4","1","5","4","1") = "4"
    & skf21("4","5","4","4","1","5","5","1") = "4"
    & skf21("4","5","4","4","1","5","6","1") = "5"
    & skf21("4","5","4","4","1","5","7","1") = "6"
    & skf21("4","5","4","4","1","6","1","1") = "5"
    & skf21("4","5","4","4","1","6","2","1") = "5"
    & skf21("4","5","4","4","1","6","3","1") = "5"
    & skf21("4","5","4","4","1","6","4","1") = "5"
    & skf21("4","5","4","4","1","6","5","1") = "5"
    & skf21("4","5","4","4","1","6","6","1") = "5"
    & skf21("4","5","4","4","1","6","7","1") = "6"
    & skf21("4","5","4","4","1","7","1","1") = "6"
    & skf21("4","5","4","4","1","7","2","1") = "6"
    & skf21("4","5","4","4","1","7","3","1") = "6"
    & skf21("4","5","4","4","1","7","4","1") = "6"
    & skf21("4","5","4","4","1","7","5","1") = "6"
    & skf21("4","5","4","4","1","7","6","1") = "6"
    & skf21("4","5","4","4","1","7","7","1") = "6"
    & skf21("4","5","4","4","2","1","1","1") = "4"
    & skf21("4","5","4","4","2","1","2","1") = "4"
    & skf21("4","5","4","4","2","1","3","1") = "4"
    & skf21("4","5","4","4","2","1","4","1") = "4"
    & skf21("4","5","4","4","2","1","5","1") = "4"
    & skf21("4","5","4","4","2","1","6","1") = "5"
    & skf21("4","5","4","4","2","1","7","1") = "6"
    & skf21("4","5","4","4","2","2","1","1") = "4"
    & skf21("4","5","4","4","2","2","2","1") = "4"
    & skf21("4","5","4","4","2","2","3","1") = "4"
    & skf21("4","5","4","4","2","2","4","1") = "4"
    & skf21("4","5","4","4","2","2","5","1") = "4"
    & skf21("4","5","4","4","2","2","6","1") = "5"
    & skf21("4","5","4","4","2","2","7","1") = "6"
    & skf21("4","5","4","4","2","3","1","1") = "4"
    & skf21("4","5","4","4","2","3","2","1") = "4"
    & skf21("4","5","4","4","2","3","3","1") = "4"
    & skf21("4","5","4","4","2","3","4","1") = "4"
    & skf21("4","5","4","4","2","3","5","1") = "4"
    & skf21("4","5","4","4","2","3","6","1") = "5"
    & skf21("4","5","4","4","2","3","7","1") = "6"
    & skf21("4","5","4","4","2","4","1","1") = "4"
    & skf21("4","5","4","4","2","4","2","1") = "4"
    & skf21("4","5","4","4","2","4","3","1") = "4"
    & skf21("4","5","4","4","2","4","4","1") = "4"
    & skf21("4","5","4","4","2","4","5","1") = "4"
    & skf21("4","5","4","4","2","4","6","1") = "5"
    & skf21("4","5","4","4","2","4","7","1") = "6"
    & skf21("4","5","4","4","2","5","1","1") = "4"
    & skf21("4","5","4","4","2","5","2","1") = "4"
    & skf21("4","5","4","4","2","5","3","1") = "4"
    & skf21("4","5","4","4","2","5","4","1") = "4"
    & skf21("4","5","4","4","2","5","5","1") = "4"
    & skf21("4","5","4","4","2","5","6","1") = "5"
    & skf21("4","5","4","4","2","5","7","1") = "6"
    & skf21("4","5","4","4","2","6","1","1") = "5"
    & skf21("4","5","4","4","2","6","2","1") = "5"
    & skf21("4","5","4","4","2","6","3","1") = "5"
    & skf21("4","5","4","4","2","6","4","1") = "5"
    & skf21("4","5","4","4","2","6","5","1") = "5"
    & skf21("4","5","4","4","2","6","6","1") = "5"
    & skf21("4","5","4","4","2","6","7","1") = "6"
    & skf21("4","5","4","4","2","7","1","1") = "6"
    & skf21("4","5","4","4","2","7","2","1") = "6"
    & skf21("4","5","4","4","2","7","3","1") = "6"
    & skf21("4","5","4","4","2","7","4","1") = "6"
    & skf21("4","5","4","4","2","7","5","1") = "6"
    & skf21("4","5","4","4","2","7","6","1") = "6"
    & skf21("4","5","4","4","2","7","7","1") = "6"
    & skf21("4","5","4","4","3","1","1","1") = "4"
    & skf21("4","5","4","4","3","1","2","1") = "4"
    & skf21("4","5","4","4","3","1","3","1") = "4"
    & skf21("4","5","4","4","3","1","4","1") = "4"
    & skf21("4","5","4","4","3","1","5","1") = "4"
    & skf21("4","5","4","4","3","1","6","1") = "5"
    & skf21("4","5","4","4","3","1","7","1") = "6"
    & skf21("4","5","4","4","3","2","1","1") = "4"
    & skf21("4","5","4","4","3","2","2","1") = "4"
    & skf21("4","5","4","4","3","2","3","1") = "4"
    & skf21("4","5","4","4","3","2","4","1") = "4"
    & skf21("4","5","4","4","3","2","5","1") = "4"
    & skf21("4","5","4","4","3","2","6","1") = "5"
    & skf21("4","5","4","4","3","2","7","1") = "6"
    & skf21("4","5","4","4","3","3","1","1") = "4"
    & skf21("4","5","4","4","3","3","2","1") = "4"
    & skf21("4","5","4","4","3","3","3","1") = "4"
    & skf21("4","5","4","4","3","3","4","1") = "4"
    & skf21("4","5","4","4","3","3","5","1") = "4"
    & skf21("4","5","4","4","3","3","6","1") = "5"
    & skf21("4","5","4","4","3","3","7","1") = "6"
    & skf21("4","5","4","4","3","4","1","1") = "4"
    & skf21("4","5","4","4","3","4","2","1") = "4"
    & skf21("4","5","4","4","3","4","3","1") = "4"
    & skf21("4","5","4","4","3","4","4","1") = "4"
    & skf21("4","5","4","4","3","4","5","1") = "4"
    & skf21("4","5","4","4","3","4","6","1") = "5"
    & skf21("4","5","4","4","3","4","7","1") = "6"
    & skf21("4","5","4","4","3","5","1","1") = "4"
    & skf21("4","5","4","4","3","5","2","1") = "4"
    & skf21("4","5","4","4","3","5","3","1") = "4"
    & skf21("4","5","4","4","3","5","4","1") = "4"
    & skf21("4","5","4","4","3","5","5","1") = "4"
    & skf21("4","5","4","4","3","5","6","1") = "5"
    & skf21("4","5","4","4","3","5","7","1") = "6"
    & skf21("4","5","4","4","3","6","1","1") = "5"
    & skf21("4","5","4","4","3","6","2","1") = "5"
    & skf21("4","5","4","4","3","6","3","1") = "5"
    & skf21("4","5","4","4","3","6","4","1") = "5"
    & skf21("4","5","4","4","3","6","5","1") = "5"
    & skf21("4","5","4","4","3","6","6","1") = "5"
    & skf21("4","5","4","4","3","6","7","1") = "6"
    & skf21("4","5","4","4","3","7","1","1") = "6"
    & skf21("4","5","4","4","3","7","2","1") = "6"
    & skf21("4","5","4","4","3","7","3","1") = "6"
    & skf21("4","5","4","4","3","7","4","1") = "6"
    & skf21("4","5","4","4","3","7","5","1") = "6"
    & skf21("4","5","4","4","3","7","6","1") = "6"
    & skf21("4","5","4","4","3","7","7","1") = "6"
    & skf21("4","5","4","4","4","1","1","1") = "4"
    & skf21("4","5","4","4","4","1","2","1") = "4"
    & skf21("4","5","4","4","4","1","3","1") = "4"
    & skf21("4","5","4","4","4","1","4","1") = "4"
    & skf21("4","5","4","4","4","1","5","1") = "4"
    & skf21("4","5","4","4","4","1","6","1") = "5"
    & skf21("4","5","4","4","4","1","7","1") = "6"
    & skf21("4","5","4","4","4","2","1","1") = "4"
    & skf21("4","5","4","4","4","2","2","1") = "4"
    & skf21("4","5","4","4","4","2","3","1") = "4"
    & skf21("4","5","4","4","4","2","4","1") = "4"
    & skf21("4","5","4","4","4","2","5","1") = "4"
    & skf21("4","5","4","4","4","2","6","1") = "5"
    & skf21("4","5","4","4","4","2","7","1") = "6"
    & skf21("4","5","4","4","4","3","1","1") = "4"
    & skf21("4","5","4","4","4","3","2","1") = "4"
    & skf21("4","5","4","4","4","3","3","1") = "4"
    & skf21("4","5","4","4","4","3","4","1") = "4"
    & skf21("4","5","4","4","4","3","5","1") = "4"
    & skf21("4","5","4","4","4","3","6","1") = "5"
    & skf21("4","5","4","4","4","3","7","1") = "6"
    & skf21("4","5","4","4","4","4","1","1") = "4"
    & skf21("4","5","4","4","4","4","2","1") = "4"
    & skf21("4","5","4","4","4","4","3","1") = "4"
    & skf21("4","5","4","4","4","4","4","1") = "4"
    & skf21("4","5","4","4","4","4","5","1") = "4"
    & skf21("4","5","4","4","4","4","6","1") = "5"
    & skf21("4","5","4","4","4","4","7","1") = "6"
    & skf21("4","5","4","4","4","5","1","1") = "4"
    & skf21("4","5","4","4","4","5","2","1") = "4"
    & skf21("4","5","4","4","4","5","3","1") = "4"
    & skf21("4","5","4","4","4","5","4","1") = "4"
    & skf21("4","5","4","4","4","5","5","1") = "4"
    & skf21("4","5","4","4","4","5","6","1") = "5"
    & skf21("4","5","4","4","4","5","7","1") = "6"
    & skf21("4","5","4","4","4","6","1","1") = "5"
    & skf21("4","5","4","4","4","6","2","1") = "5"
    & skf21("4","5","4","4","4","6","3","1") = "5"
    & skf21("4","5","4","4","4","6","4","1") = "5"
    & skf21("4","5","4","4","4","6","5","1") = "5"
    & skf21("4","5","4","4","4","6","6","1") = "5"
    & skf21("4","5","4","4","4","6","7","1") = "6"
    & skf21("4","5","4","4","4","7","1","1") = "6"
    & skf21("4","5","4","4","4","7","2","1") = "6"
    & skf21("4","5","4","4","4","7","3","1") = "6"
    & skf21("4","5","4","4","4","7","4","1") = "6"
    & skf21("4","5","4","4","4","7","5","1") = "6"
    & skf21("4","5","4","4","4","7","6","1") = "6"
    & skf21("4","5","4","4","4","7","7","1") = "6"
    & skf21("4","5","4","4","5","1","1","1") = "4"
    & skf21("4","5","4","4","5","1","2","1") = "4"
    & skf21("4","5","4","4","5","1","3","1") = "4"
    & skf21("4","5","4","4","5","1","4","1") = "4"
    & skf21("4","5","4","4","5","1","5","1") = "4"
    & skf21("4","5","4","4","5","1","6","1") = "5"
    & skf21("4","5","4","4","5","1","7","1") = "6"
    & skf21("4","5","4","4","5","2","1","1") = "4"
    & skf21("4","5","4","4","5","2","2","1") = "4"
    & skf21("4","5","4","4","5","2","3","1") = "4"
    & skf21("4","5","4","4","5","2","4","1") = "4"
    & skf21("4","5","4","4","5","2","5","1") = "4"
    & skf21("4","5","4","4","5","2","6","1") = "5"
    & skf21("4","5","4","4","5","2","7","1") = "6"
    & skf21("4","5","4","4","5","3","1","1") = "4"
    & skf21("4","5","4","4","5","3","2","1") = "4"
    & skf21("4","5","4","4","5","3","3","1") = "4"
    & skf21("4","5","4","4","5","3","4","1") = "4"
    & skf21("4","5","4","4","5","3","5","1") = "4"
    & skf21("4","5","4","4","5","3","6","1") = "5"
    & skf21("4","5","4","4","5","3","7","1") = "6"
    & skf21("4","5","4","4","5","4","1","1") = "4"
    & skf21("4","5","4","4","5","4","2","1") = "4"
    & skf21("4","5","4","4","5","4","3","1") = "4"
    & skf21("4","5","4","4","5","4","4","1") = "4"
    & skf21("4","5","4","4","5","4","5","1") = "4"
    & skf21("4","5","4","4","5","4","6","1") = "5"
    & skf21("4","5","4","4","5","4","7","1") = "6"
    & skf21("4","5","4","4","5","5","1","1") = "4"
    & skf21("4","5","4","4","5","5","2","1") = "4"
    & skf21("4","5","4","4","5","5","3","1") = "4"
    & skf21("4","5","4","4","5","5","4","1") = "4"
    & skf21("4","5","4","4","5","5","5","1") = "4"
    & skf21("4","5","4","4","5","5","6","1") = "5"
    & skf21("4","5","4","4","5","5","7","1") = "6"
    & skf21("4","5","4","4","5","6","1","1") = "5"
    & skf21("4","5","4","4","5","6","2","1") = "5"
    & skf21("4","5","4","4","5","6","3","1") = "5"
    & skf21("4","5","4","4","5","6","4","1") = "5"
    & skf21("4","5","4","4","5","6","5","1") = "5"
    & skf21("4","5","4","4","5","6","6","1") = "5"
    & skf21("4","5","4","4","5","6","7","1") = "6"
    & skf21("4","5","4","4","5","7","1","1") = "6"
    & skf21("4","5","4","4","5","7","2","1") = "6"
    & skf21("4","5","4","4","5","7","3","1") = "6"
    & skf21("4","5","4","4","5","7","4","1") = "6"
    & skf21("4","5","4","4","5","7","5","1") = "6"
    & skf21("4","5","4","4","5","7","6","1") = "6"
    & skf21("4","5","4","4","5","7","7","1") = "6"
    & skf21("4","5","4","4","6","1","1","1") = "5"
    & skf21("4","5","4","4","6","1","2","1") = "5"
    & skf21("4","5","4","4","6","1","3","1") = "5"
    & skf21("4","5","4","4","6","1","4","1") = "5"
    & skf21("4","5","4","4","6","1","5","1") = "5"
    & skf21("4","5","4","4","6","1","6","1") = "5"
    & skf21("4","5","4","4","6","1","7","1") = "6"
    & skf21("4","5","4","4","6","2","1","1") = "5"
    & skf21("4","5","4","4","6","2","2","1") = "5"
    & skf21("4","5","4","4","6","2","3","1") = "5"
    & skf21("4","5","4","4","6","2","4","1") = "5"
    & skf21("4","5","4","4","6","2","5","1") = "5"
    & skf21("4","5","4","4","6","2","6","1") = "5"
    & skf21("4","5","4","4","6","2","7","1") = "6"
    & skf21("4","5","4","4","6","3","1","1") = "5"
    & skf21("4","5","4","4","6","3","2","1") = "5"
    & skf21("4","5","4","4","6","3","3","1") = "5"
    & skf21("4","5","4","4","6","3","4","1") = "5"
    & skf21("4","5","4","4","6","3","5","1") = "5"
    & skf21("4","5","4","4","6","3","6","1") = "5"
    & skf21("4","5","4","4","6","3","7","1") = "6"
    & skf21("4","5","4","4","6","4","1","1") = "5"
    & skf21("4","5","4","4","6","4","2","1") = "5"
    & skf21("4","5","4","4","6","4","3","1") = "5"
    & skf21("4","5","4","4","6","4","4","1") = "5"
    & skf21("4","5","4","4","6","4","5","1") = "5"
    & skf21("4","5","4","4","6","4","6","1") = "5"
    & skf21("4","5","4","4","6","4","7","1") = "6"
    & skf21("4","5","4","4","6","5","1","1") = "5"
    & skf21("4","5","4","4","6","5","2","1") = "5"
    & skf21("4","5","4","4","6","5","3","1") = "5"
    & skf21("4","5","4","4","6","5","4","1") = "5"
    & skf21("4","5","4","4","6","5","5","1") = "5"
    & skf21("4","5","4","4","6","5","6","1") = "5"
    & skf21("4","5","4","4","6","5","7","1") = "6"
    & skf21("4","5","4","4","6","6","1","1") = "5"
    & skf21("4","5","4","4","6","6","2","1") = "5"
    & skf21("4","5","4","4","6","6","3","1") = "5"
    & skf21("4","5","4","4","6","6","4","1") = "5"
    & skf21("4","5","4","4","6","6","5","1") = "5"
    & skf21("4","5","4","4","6","6","6","1") = "5"
    & skf21("4","5","4","4","6","6","7","1") = "6"
    & skf21("4","5","4","4","6","7","1","1") = "6"
    & skf21("4","5","4","4","6","7","2","1") = "6"
    & skf21("4","5","4","4","6","7","3","1") = "6"
    & skf21("4","5","4","4","6","7","4","1") = "6"
    & skf21("4","5","4","4","6","7","5","1") = "6"
    & skf21("4","5","4","4","6","7","6","1") = "6"
    & skf21("4","5","4","4","6","7","7","1") = "6"
    & skf21("4","5","4","4","7","1","1","1") = "6"
    & skf21("4","5","4","4","7","1","2","1") = "6"
    & skf21("4","5","4","4","7","1","3","1") = "6"
    & skf21("4","5","4","4","7","1","4","1") = "6"
    & skf21("4","5","4","4","7","1","5","1") = "6"
    & skf21("4","5","4","4","7","1","6","1") = "6"
    & skf21("4","5","4","4","7","1","7","1") = "6"
    & skf21("4","5","4","4","7","2","1","1") = "6"
    & skf21("4","5","4","4","7","2","2","1") = "6"
    & skf21("4","5","4","4","7","2","3","1") = "6"
    & skf21("4","5","4","4","7","2","4","1") = "6"
    & skf21("4","5","4","4","7","2","5","1") = "6"
    & skf21("4","5","4","4","7","2","6","1") = "6"
    & skf21("4","5","4","4","7","2","7","1") = "6"
    & skf21("4","5","4","4","7","3","1","1") = "6"
    & skf21("4","5","4","4","7","3","2","1") = "6"
    & skf21("4","5","4","4","7","3","3","1") = "6"
    & skf21("4","5","4","4","7","3","4","1") = "6"
    & skf21("4","5","4","4","7","3","5","1") = "6"
    & skf21("4","5","4","4","7","3","6","1") = "6"
    & skf21("4","5","4","4","7","3","7","1") = "6"
    & skf21("4","5","4","4","7","4","1","1") = "6"
    & skf21("4","5","4","4","7","4","2","1") = "6"
    & skf21("4","5","4","4","7","4","3","1") = "6"
    & skf21("4","5","4","4","7","4","4","1") = "6"
    & skf21("4","5","4","4","7","4","5","1") = "6"
    & skf21("4","5","4","4","7","4","6","1") = "6"
    & skf21("4","5","4","4","7","4","7","1") = "6"
    & skf21("4","5","4","4","7","5","1","1") = "6"
    & skf21("4","5","4","4","7","5","2","1") = "6"
    & skf21("4","5","4","4","7","5","3","1") = "6"
    & skf21("4","5","4","4","7","5","4","1") = "6"
    & skf21("4","5","4","4","7","5","5","1") = "6"
    & skf21("4","5","4","4","7","5","6","1") = "6"
    & skf21("4","5","4","4","7","5","7","1") = "6"
    & skf21("4","5","4","4","7","6","1","1") = "6"
    & skf21("4","5","4","4","7","6","2","1") = "6"
    & skf21("4","5","4","4","7","6","3","1") = "6"
    & skf21("4","5","4","4","7","6","4","1") = "6"
    & skf21("4","5","4","4","7","6","5","1") = "6"
    & skf21("4","5","4","4","7","6","6","1") = "6"
    & skf21("4","5","4","4","7","6","7","1") = "6"
    & skf21("4","5","4","4","7","7","1","1") = "6"
    & skf21("4","5","4","4","7","7","2","1") = "6"
    & skf21("4","5","4","4","7","7","3","1") = "6"
    & skf21("4","5","4","4","7","7","4","1") = "6"
    & skf21("4","5","4","4","7","7","5","1") = "6"
    & skf21("4","5","4","4","7","7","6","1") = "6"
    & skf21("4","5","4","4","7","7","7","1") = "6"
    & skf21("4","5","4","5","1","1","1","1") = "4"
    & skf21("4","5","4","5","1","1","2","1") = "4"
    & skf21("4","5","4","5","1","1","3","1") = "4"
    & skf21("4","5","4","5","1","1","4","1") = "4"
    & skf21("4","5","4","5","1","1","5","1") = "4"
    & skf21("4","5","4","5","1","1","6","1") = "5"
    & skf21("4","5","4","5","1","1","7","1") = "6"
    & skf21("4","5","4","5","1","2","1","1") = "4"
    & skf21("4","5","4","5","1","2","2","1") = "4"
    & skf21("4","5","4","5","1","2","3","1") = "4"
    & skf21("4","5","4","5","1","2","4","1") = "4"
    & skf21("4","5","4","5","1","2","5","1") = "4"
    & skf21("4","5","4","5","1","2","6","1") = "5"
    & skf21("4","5","4","5","1","2","7","1") = "6"
    & skf21("4","5","4","5","1","3","1","1") = "4"
    & skf21("4","5","4","5","1","3","2","1") = "4"
    & skf21("4","5","4","5","1","3","3","1") = "4"
    & skf21("4","5","4","5","1","3","4","1") = "4"
    & skf21("4","5","4","5","1","3","5","1") = "4"
    & skf21("4","5","4","5","1","3","6","1") = "5"
    & skf21("4","5","4","5","1","3","7","1") = "6"
    & skf21("4","5","4","5","1","4","1","1") = "4"
    & skf21("4","5","4","5","1","4","2","1") = "4"
    & skf21("4","5","4","5","1","4","3","1") = "4"
    & skf21("4","5","4","5","1","4","4","1") = "4"
    & skf21("4","5","4","5","1","4","5","1") = "4"
    & skf21("4","5","4","5","1","4","6","1") = "5"
    & skf21("4","5","4","5","1","4","7","1") = "6"
    & skf21("4","5","4","5","1","5","1","1") = "4"
    & skf21("4","5","4","5","1","5","2","1") = "4"
    & skf21("4","5","4","5","1","5","3","1") = "4"
    & skf21("4","5","4","5","1","5","4","1") = "4"
    & skf21("4","5","4","5","1","5","5","1") = "4"
    & skf21("4","5","4","5","1","5","6","1") = "5"
    & skf21("4","5","4","5","1","5","7","1") = "6"
    & skf21("4","5","4","5","1","6","1","1") = "5"
    & skf21("4","5","4","5","1","6","2","1") = "5"
    & skf21("4","5","4","5","1","6","3","1") = "5"
    & skf21("4","5","4","5","1","6","4","1") = "5"
    & skf21("4","5","4","5","1","6","5","1") = "5"
    & skf21("4","5","4","5","1","6","6","1") = "5"
    & skf21("4","5","4","5","1","6","7","1") = "6"
    & skf21("4","5","4","5","1","7","1","1") = "6"
    & skf21("4","5","4","5","1","7","2","1") = "6"
    & skf21("4","5","4","5","1","7","3","1") = "6"
    & skf21("4","5","4","5","1","7","4","1") = "6"
    & skf21("4","5","4","5","1","7","5","1") = "6"
    & skf21("4","5","4","5","1","7","6","1") = "6"
    & skf21("4","5","4","5","1","7","7","1") = "6"
    & skf21("4","5","4","5","2","1","1","1") = "4"
    & skf21("4","5","4","5","2","1","2","1") = "4"
    & skf21("4","5","4","5","2","1","3","1") = "4"
    & skf21("4","5","4","5","2","1","4","1") = "4"
    & skf21("4","5","4","5","2","1","5","1") = "4"
    & skf21("4","5","4","5","2","1","6","1") = "5"
    & skf21("4","5","4","5","2","1","7","1") = "6"
    & skf21("4","5","4","5","2","2","1","1") = "4"
    & skf21("4","5","4","5","2","2","2","1") = "4"
    & skf21("4","5","4","5","2","2","3","1") = "4"
    & skf21("4","5","4","5","2","2","4","1") = "4"
    & skf21("4","5","4","5","2","2","5","1") = "4"
    & skf21("4","5","4","5","2","2","6","1") = "5"
    & skf21("4","5","4","5","2","2","7","1") = "6"
    & skf21("4","5","4","5","2","3","1","1") = "4"
    & skf21("4","5","4","5","2","3","2","1") = "4"
    & skf21("4","5","4","5","2","3","3","1") = "4"
    & skf21("4","5","4","5","2","3","4","1") = "4"
    & skf21("4","5","4","5","2","3","5","1") = "4"
    & skf21("4","5","4","5","2","3","6","1") = "5"
    & skf21("4","5","4","5","2","3","7","1") = "6"
    & skf21("4","5","4","5","2","4","1","1") = "4"
    & skf21("4","5","4","5","2","4","2","1") = "4"
    & skf21("4","5","4","5","2","4","3","1") = "4"
    & skf21("4","5","4","5","2","4","4","1") = "4"
    & skf21("4","5","4","5","2","4","5","1") = "4"
    & skf21("4","5","4","5","2","4","6","1") = "5"
    & skf21("4","5","4","5","2","4","7","1") = "6"
    & skf21("4","5","4","5","2","5","1","1") = "4"
    & skf21("4","5","4","5","2","5","2","1") = "4"
    & skf21("4","5","4","5","2","5","3","1") = "4"
    & skf21("4","5","4","5","2","5","4","1") = "4"
    & skf21("4","5","4","5","2","5","5","1") = "4"
    & skf21("4","5","4","5","2","5","6","1") = "5"
    & skf21("4","5","4","5","2","5","7","1") = "6"
    & skf21("4","5","4","5","2","6","1","1") = "5"
    & skf21("4","5","4","5","2","6","2","1") = "5"
    & skf21("4","5","4","5","2","6","3","1") = "5"
    & skf21("4","5","4","5","2","6","4","1") = "5"
    & skf21("4","5","4","5","2","6","5","1") = "5"
    & skf21("4","5","4","5","2","6","6","1") = "5"
    & skf21("4","5","4","5","2","6","7","1") = "6"
    & skf21("4","5","4","5","2","7","1","1") = "6"
    & skf21("4","5","4","5","2","7","2","1") = "6"
    & skf21("4","5","4","5","2","7","3","1") = "6"
    & skf21("4","5","4","5","2","7","4","1") = "6"
    & skf21("4","5","4","5","2","7","5","1") = "6"
    & skf21("4","5","4","5","2","7","6","1") = "6"
    & skf21("4","5","4","5","2","7","7","1") = "6"
    & skf21("4","5","4","5","3","1","1","1") = "4"
    & skf21("4","5","4","5","3","1","2","1") = "4"
    & skf21("4","5","4","5","3","1","3","1") = "4"
    & skf21("4","5","4","5","3","1","4","1") = "4"
    & skf21("4","5","4","5","3","1","5","1") = "4"
    & skf21("4","5","4","5","3","1","6","1") = "5"
    & skf21("4","5","4","5","3","1","7","1") = "6"
    & skf21("4","5","4","5","3","2","1","1") = "4"
    & skf21("4","5","4","5","3","2","2","1") = "4"
    & skf21("4","5","4","5","3","2","3","1") = "4"
    & skf21("4","5","4","5","3","2","4","1") = "4"
    & skf21("4","5","4","5","3","2","5","1") = "4"
    & skf21("4","5","4","5","3","2","6","1") = "5"
    & skf21("4","5","4","5","3","2","7","1") = "6"
    & skf21("4","5","4","5","3","3","1","1") = "4"
    & skf21("4","5","4","5","3","3","2","1") = "4"
    & skf21("4","5","4","5","3","3","3","1") = "4"
    & skf21("4","5","4","5","3","3","4","1") = "4"
    & skf21("4","5","4","5","3","3","5","1") = "4"
    & skf21("4","5","4","5","3","3","6","1") = "5"
    & skf21("4","5","4","5","3","3","7","1") = "6"
    & skf21("4","5","4","5","3","4","1","1") = "4"
    & skf21("4","5","4","5","3","4","2","1") = "4"
    & skf21("4","5","4","5","3","4","3","1") = "4"
    & skf21("4","5","4","5","3","4","4","1") = "4"
    & skf21("4","5","4","5","3","4","5","1") = "4"
    & skf21("4","5","4","5","3","4","6","1") = "5"
    & skf21("4","5","4","5","3","4","7","1") = "6"
    & skf21("4","5","4","5","3","5","1","1") = "4"
    & skf21("4","5","4","5","3","5","2","1") = "4"
    & skf21("4","5","4","5","3","5","3","1") = "4"
    & skf21("4","5","4","5","3","5","4","1") = "4"
    & skf21("4","5","4","5","3","5","5","1") = "4"
    & skf21("4","5","4","5","3","5","6","1") = "5"
    & skf21("4","5","4","5","3","5","7","1") = "6"
    & skf21("4","5","4","5","3","6","1","1") = "5"
    & skf21("4","5","4","5","3","6","2","1") = "5"
    & skf21("4","5","4","5","3","6","3","1") = "5"
    & skf21("4","5","4","5","3","6","4","1") = "5"
    & skf21("4","5","4","5","3","6","5","1") = "5"
    & skf21("4","5","4","5","3","6","6","1") = "5"
    & skf21("4","5","4","5","3","6","7","1") = "6"
    & skf21("4","5","4","5","3","7","1","1") = "6"
    & skf21("4","5","4","5","3","7","2","1") = "6"
    & skf21("4","5","4","5","3","7","3","1") = "6"
    & skf21("4","5","4","5","3","7","4","1") = "6"
    & skf21("4","5","4","5","3","7","5","1") = "6"
    & skf21("4","5","4","5","3","7","6","1") = "6"
    & skf21("4","5","4","5","3","7","7","1") = "6"
    & skf21("4","5","4","5","4","1","1","1") = "4"
    & skf21("4","5","4","5","4","1","2","1") = "4"
    & skf21("4","5","4","5","4","1","3","1") = "4"
    & skf21("4","5","4","5","4","1","4","1") = "4"
    & skf21("4","5","4","5","4","1","5","1") = "4"
    & skf21("4","5","4","5","4","1","6","1") = "5"
    & skf21("4","5","4","5","4","1","7","1") = "6"
    & skf21("4","5","4","5","4","2","1","1") = "4"
    & skf21("4","5","4","5","4","2","2","1") = "4"
    & skf21("4","5","4","5","4","2","3","1") = "4"
    & skf21("4","5","4","5","4","2","4","1") = "4"
    & skf21("4","5","4","5","4","2","5","1") = "4"
    & skf21("4","5","4","5","4","2","6","1") = "5"
    & skf21("4","5","4","5","4","2","7","1") = "6"
    & skf21("4","5","4","5","4","3","1","1") = "4"
    & skf21("4","5","4","5","4","3","2","1") = "4"
    & skf21("4","5","4","5","4","3","3","1") = "4"
    & skf21("4","5","4","5","4","3","4","1") = "4"
    & skf21("4","5","4","5","4","3","5","1") = "4"
    & skf21("4","5","4","5","4","3","6","1") = "5"
    & skf21("4","5","4","5","4","3","7","1") = "6"
    & skf21("4","5","4","5","4","4","1","1") = "4"
    & skf21("4","5","4","5","4","4","2","1") = "4"
    & skf21("4","5","4","5","4","4","3","1") = "4"
    & skf21("4","5","4","5","4","4","4","1") = "4"
    & skf21("4","5","4","5","4","4","5","1") = "4"
    & skf21("4","5","4","5","4","4","6","1") = "5"
    & skf21("4","5","4","5","4","4","7","1") = "6"
    & skf21("4","5","4","5","4","5","1","1") = "4"
    & skf21("4","5","4","5","4","5","2","1") = "4"
    & skf21("4","5","4","5","4","5","3","1") = "4"
    & skf21("4","5","4","5","4","5","4","1") = "4"
    & skf21("4","5","4","5","4","5","5","1") = "4"
    & skf21("4","5","4","5","4","5","6","1") = "5"
    & skf21("4","5","4","5","4","5","7","1") = "6"
    & skf21("4","5","4","5","4","6","1","1") = "5"
    & skf21("4","5","4","5","4","6","2","1") = "5"
    & skf21("4","5","4","5","4","6","3","1") = "5"
    & skf21("4","5","4","5","4","6","4","1") = "5"
    & skf21("4","5","4","5","4","6","5","1") = "5"
    & skf21("4","5","4","5","4","6","6","1") = "5"
    & skf21("4","5","4","5","4","6","7","1") = "6"
    & skf21("4","5","4","5","4","7","1","1") = "6"
    & skf21("4","5","4","5","4","7","2","1") = "6"
    & skf21("4","5","4","5","4","7","3","1") = "6"
    & skf21("4","5","4","5","4","7","4","1") = "6"
    & skf21("4","5","4","5","4","7","5","1") = "6"
    & skf21("4","5","4","5","4","7","6","1") = "6"
    & skf21("4","5","4","5","4","7","7","1") = "6"
    & skf21("4","5","4","5","5","1","1","1") = "4"
    & skf21("4","5","4","5","5","1","2","1") = "4"
    & skf21("4","5","4","5","5","1","3","1") = "4"
    & skf21("4","5","4","5","5","1","4","1") = "4"
    & skf21("4","5","4","5","5","1","5","1") = "4"
    & skf21("4","5","4","5","5","1","6","1") = "5"
    & skf21("4","5","4","5","5","1","7","1") = "6"
    & skf21("4","5","4","5","5","2","1","1") = "4"
    & skf21("4","5","4","5","5","2","2","1") = "4"
    & skf21("4","5","4","5","5","2","3","1") = "4"
    & skf21("4","5","4","5","5","2","4","1") = "4"
    & skf21("4","5","4","5","5","2","5","1") = "4"
    & skf21("4","5","4","5","5","2","6","1") = "5"
    & skf21("4","5","4","5","5","2","7","1") = "6"
    & skf21("4","5","4","5","5","3","1","1") = "4"
    & skf21("4","5","4","5","5","3","2","1") = "4"
    & skf21("4","5","4","5","5","3","3","1") = "4"
    & skf21("4","5","4","5","5","3","4","1") = "4"
    & skf21("4","5","4","5","5","3","5","1") = "4"
    & skf21("4","5","4","5","5","3","6","1") = "5"
    & skf21("4","5","4","5","5","3","7","1") = "6"
    & skf21("4","5","4","5","5","4","1","1") = "4"
    & skf21("4","5","4","5","5","4","2","1") = "4"
    & skf21("4","5","4","5","5","4","3","1") = "4"
    & skf21("4","5","4","5","5","4","4","1") = "4"
    & skf21("4","5","4","5","5","4","5","1") = "4"
    & skf21("4","5","4","5","5","4","6","1") = "5"
    & skf21("4","5","4","5","5","4","7","1") = "6"
    & skf21("4","5","4","5","5","5","1","1") = "4"
    & skf21("4","5","4","5","5","5","2","1") = "4"
    & skf21("4","5","4","5","5","5","3","1") = "4"
    & skf21("4","5","4","5","5","5","4","1") = "4"
    & skf21("4","5","4","5","5","5","5","1") = "4"
    & skf21("4","5","4","5","5","5","6","1") = "5"
    & skf21("4","5","4","5","5","5","7","1") = "6"
    & skf21("4","5","4","5","5","6","1","1") = "5"
    & skf21("4","5","4","5","5","6","2","1") = "5"
    & skf21("4","5","4","5","5","6","3","1") = "5"
    & skf21("4","5","4","5","5","6","4","1") = "5"
    & skf21("4","5","4","5","5","6","5","1") = "5"
    & skf21("4","5","4","5","5","6","6","1") = "5"
    & skf21("4","5","4","5","5","6","7","1") = "6"
    & skf21("4","5","4","5","5","7","1","1") = "6"
    & skf21("4","5","4","5","5","7","2","1") = "6"
    & skf21("4","5","4","5","5","7","3","1") = "6"
    & skf21("4","5","4","5","5","7","4","1") = "6"
    & skf21("4","5","4","5","5","7","5","1") = "6"
    & skf21("4","5","4","5","5","7","6","1") = "6"
    & skf21("4","5","4","5","5","7","7","1") = "6"
    & skf21("4","5","4","5","6","1","1","1") = "5"
    & skf21("4","5","4","5","6","1","2","1") = "5"
    & skf21("4","5","4","5","6","1","3","1") = "5"
    & skf21("4","5","4","5","6","1","4","1") = "5"
    & skf21("4","5","4","5","6","1","5","1") = "5"
    & skf21("4","5","4","5","6","1","6","1") = "5"
    & skf21("4","5","4","5","6","1","7","1") = "6"
    & skf21("4","5","4","5","6","2","1","1") = "5"
    & skf21("4","5","4","5","6","2","2","1") = "5"
    & skf21("4","5","4","5","6","2","3","1") = "5"
    & skf21("4","5","4","5","6","2","4","1") = "5"
    & skf21("4","5","4","5","6","2","5","1") = "5"
    & skf21("4","5","4","5","6","2","6","1") = "5"
    & skf21("4","5","4","5","6","2","7","1") = "6"
    & skf21("4","5","4","5","6","3","1","1") = "5"
    & skf21("4","5","4","5","6","3","2","1") = "5"
    & skf21("4","5","4","5","6","3","3","1") = "5"
    & skf21("4","5","4","5","6","3","4","1") = "5"
    & skf21("4","5","4","5","6","3","5","1") = "5"
    & skf21("4","5","4","5","6","3","6","1") = "5"
    & skf21("4","5","4","5","6","3","7","1") = "6"
    & skf21("4","5","4","5","6","4","1","1") = "5"
    & skf21("4","5","4","5","6","4","2","1") = "5"
    & skf21("4","5","4","5","6","4","3","1") = "5"
    & skf21("4","5","4","5","6","4","4","1") = "5"
    & skf21("4","5","4","5","6","4","5","1") = "5"
    & skf21("4","5","4","5","6","4","6","1") = "5"
    & skf21("4","5","4","5","6","4","7","1") = "6"
    & skf21("4","5","4","5","6","5","1","1") = "5"
    & skf21("4","5","4","5","6","5","2","1") = "5"
    & skf21("4","5","4","5","6","5","3","1") = "5"
    & skf21("4","5","4","5","6","5","4","1") = "5"
    & skf21("4","5","4","5","6","5","5","1") = "5"
    & skf21("4","5","4","5","6","5","6","1") = "5"
    & skf21("4","5","4","5","6","5","7","1") = "6"
    & skf21("4","5","4","5","6","6","1","1") = "5"
    & skf21("4","5","4","5","6","6","2","1") = "5"
    & skf21("4","5","4","5","6","6","3","1") = "5"
    & skf21("4","5","4","5","6","6","4","1") = "5"
    & skf21("4","5","4","5","6","6","5","1") = "5"
    & skf21("4","5","4","5","6","6","6","1") = "5"
    & skf21("4","5","4","5","6","6","7","1") = "6"
    & skf21("4","5","4","5","6","7","1","1") = "6"
    & skf21("4","5","4","5","6","7","2","1") = "6"
    & skf21("4","5","4","5","6","7","3","1") = "6"
    & skf21("4","5","4","5","6","7","4","1") = "6"
    & skf21("4","5","4","5","6","7","5","1") = "6"
    & skf21("4","5","4","5","6","7","6","1") = "6"
    & skf21("4","5","4","5","6","7","7","1") = "6"
    & skf21("4","5","4","5","7","1","1","1") = "6"
    & skf21("4","5","4","5","7","1","2","1") = "6"
    & skf21("4","5","4","5","7","1","3","1") = "6"
    & skf21("4","5","4","5","7","1","4","1") = "6"
    & skf21("4","5","4","5","7","1","5","1") = "6"
    & skf21("4","5","4","5","7","1","6","1") = "6"
    & skf21("4","5","4","5","7","1","7","1") = "6"
    & skf21("4","5","4","5","7","2","1","1") = "6"
    & skf21("4","5","4","5","7","2","2","1") = "6"
    & skf21("4","5","4","5","7","2","3","1") = "6"
    & skf21("4","5","4","5","7","2","4","1") = "6"
    & skf21("4","5","4","5","7","2","5","1") = "6"
    & skf21("4","5","4","5","7","2","6","1") = "6"
    & skf21("4","5","4","5","7","2","7","1") = "6"
    & skf21("4","5","4","5","7","3","1","1") = "6"
    & skf21("4","5","4","5","7","3","2","1") = "6"
    & skf21("4","5","4","5","7","3","3","1") = "6"
    & skf21("4","5","4","5","7","3","4","1") = "6"
    & skf21("4","5","4","5","7","3","5","1") = "6"
    & skf21("4","5","4","5","7","3","6","1") = "6"
    & skf21("4","5","4","5","7","3","7","1") = "6"
    & skf21("4","5","4","5","7","4","1","1") = "6"
    & skf21("4","5","4","5","7","4","2","1") = "6"
    & skf21("4","5","4","5","7","4","3","1") = "6"
    & skf21("4","5","4","5","7","4","4","1") = "6"
    & skf21("4","5","4","5","7","4","5","1") = "6"
    & skf21("4","5","4","5","7","4","6","1") = "6"
    & skf21("4","5","4","5","7","4","7","1") = "6"
    & skf21("4","5","4","5","7","5","1","1") = "6"
    & skf21("4","5","4","5","7","5","2","1") = "6"
    & skf21("4","5","4","5","7","5","3","1") = "6"
    & skf21("4","5","4","5","7","5","4","1") = "6"
    & skf21("4","5","4","5","7","5","5","1") = "6"
    & skf21("4","5","4","5","7","5","6","1") = "6"
    & skf21("4","5","4","5","7","5","7","1") = "6"
    & skf21("4","5","4","5","7","6","1","1") = "6"
    & skf21("4","5","4","5","7","6","2","1") = "6"
    & skf21("4","5","4","5","7","6","3","1") = "6"
    & skf21("4","5","4","5","7","6","4","1") = "6"
    & skf21("4","5","4","5","7","6","5","1") = "6"
    & skf21("4","5","4","5","7","6","6","1") = "6"
    & skf21("4","5","4","5","7","6","7","1") = "6"
    & skf21("4","5","4","5","7","7","1","1") = "6"
    & skf21("4","5","4","5","7","7","2","1") = "6"
    & skf21("4","5","4","5","7","7","3","1") = "6"
    & skf21("4","5","4","5","7","7","4","1") = "6"
    & skf21("4","5","4","5","7","7","5","1") = "6"
    & skf21("4","5","4","5","7","7","6","1") = "6"
    & skf21("4","5","4","5","7","7","7","1") = "6"
    & skf21("4","5","4","6","1","1","1","1") = "5"
    & skf21("4","5","4","6","1","1","2","1") = "5"
    & skf21("4","5","4","6","1","1","3","1") = "5"
    & skf21("4","5","4","6","1","1","4","1") = "5"
    & skf21("4","5","4","6","1","1","5","1") = "5"
    & skf21("4","5","4","6","1","1","6","1") = "5"
    & skf21("4","5","4","6","1","1","7","1") = "6"
    & skf21("4","5","4","6","1","2","1","1") = "5"
    & skf21("4","5","4","6","1","2","2","1") = "5"
    & skf21("4","5","4","6","1","2","3","1") = "5"
    & skf21("4","5","4","6","1","2","4","1") = "5"
    & skf21("4","5","4","6","1","2","5","1") = "5"
    & skf21("4","5","4","6","1","2","6","1") = "5"
    & skf21("4","5","4","6","1","2","7","1") = "6"
    & skf21("4","5","4","6","1","3","1","1") = "5"
    & skf21("4","5","4","6","1","3","2","1") = "5"
    & skf21("4","5","4","6","1","3","3","1") = "5"
    & skf21("4","5","4","6","1","3","4","1") = "5"
    & skf21("4","5","4","6","1","3","5","1") = "5"
    & skf21("4","5","4","6","1","3","6","1") = "5"
    & skf21("4","5","4","6","1","3","7","1") = "6"
    & skf21("4","5","4","6","1","4","1","1") = "5"
    & skf21("4","5","4","6","1","4","2","1") = "5"
    & skf21("4","5","4","6","1","4","3","1") = "5"
    & skf21("4","5","4","6","1","4","4","1") = "5"
    & skf21("4","5","4","6","1","4","5","1") = "5"
    & skf21("4","5","4","6","1","4","6","1") = "5"
    & skf21("4","5","4","6","1","4","7","1") = "6"
    & skf21("4","5","4","6","1","5","1","1") = "5"
    & skf21("4","5","4","6","1","5","2","1") = "5"
    & skf21("4","5","4","6","1","5","3","1") = "5"
    & skf21("4","5","4","6","1","5","4","1") = "5"
    & skf21("4","5","4","6","1","5","5","1") = "5"
    & skf21("4","5","4","6","1","5","6","1") = "5"
    & skf21("4","5","4","6","1","5","7","1") = "6"
    & skf21("4","5","4","6","1","6","1","1") = "5"
    & skf21("4","5","4","6","1","6","2","1") = "5"
    & skf21("4","5","4","6","1","6","3","1") = "5"
    & skf21("4","5","4","6","1","6","4","1") = "5"
    & skf21("4","5","4","6","1","6","5","1") = "5"
    & skf21("4","5","4","6","1","6","6","1") = "5"
    & skf21("4","5","4","6","1","6","7","1") = "6"
    & skf21("4","5","4","6","1","7","1","1") = "6"
    & skf21("4","5","4","6","1","7","2","1") = "6"
    & skf21("4","5","4","6","1","7","3","1") = "6"
    & skf21("4","5","4","6","1","7","4","1") = "6"
    & skf21("4","5","4","6","1","7","5","1") = "6"
    & skf21("4","5","4","6","1","7","6","1") = "6"
    & skf21("4","5","4","6","1","7","7","1") = "6"
    & skf21("4","5","4","6","2","1","1","1") = "5"
    & skf21("4","5","4","6","2","1","2","1") = "5"
    & skf21("4","5","4","6","2","1","3","1") = "5"
    & skf21("4","5","4","6","2","1","4","1") = "5"
    & skf21("4","5","4","6","2","1","5","1") = "5"
    & skf21("4","5","4","6","2","1","6","1") = "5"
    & skf21("4","5","4","6","2","1","7","1") = "6"
    & skf21("4","5","4","6","2","2","1","1") = "5"
    & skf21("4","5","4","6","2","2","2","1") = "5"
    & skf21("4","5","4","6","2","2","3","1") = "5"
    & skf21("4","5","4","6","2","2","4","1") = "5"
    & skf21("4","5","4","6","2","2","5","1") = "5"
    & skf21("4","5","4","6","2","2","6","1") = "5"
    & skf21("4","5","4","6","2","2","7","1") = "6"
    & skf21("4","5","4","6","2","3","1","1") = "5"
    & skf21("4","5","4","6","2","3","2","1") = "5"
    & skf21("4","5","4","6","2","3","3","1") = "5"
    & skf21("4","5","4","6","2","3","4","1") = "5"
    & skf21("4","5","4","6","2","3","5","1") = "5"
    & skf21("4","5","4","6","2","3","6","1") = "5"
    & skf21("4","5","4","6","2","3","7","1") = "6"
    & skf21("4","5","4","6","2","4","1","1") = "5"
    & skf21("4","5","4","6","2","4","2","1") = "5"
    & skf21("4","5","4","6","2","4","3","1") = "5"
    & skf21("4","5","4","6","2","4","4","1") = "5"
    & skf21("4","5","4","6","2","4","5","1") = "5"
    & skf21("4","5","4","6","2","4","6","1") = "5"
    & skf21("4","5","4","6","2","4","7","1") = "6"
    & skf21("4","5","4","6","2","5","1","1") = "5"
    & skf21("4","5","4","6","2","5","2","1") = "5"
    & skf21("4","5","4","6","2","5","3","1") = "5"
    & skf21("4","5","4","6","2","5","4","1") = "5"
    & skf21("4","5","4","6","2","5","5","1") = "5"
    & skf21("4","5","4","6","2","5","6","1") = "5"
    & skf21("4","5","4","6","2","5","7","1") = "6"
    & skf21("4","5","4","6","2","6","1","1") = "5"
    & skf21("4","5","4","6","2","6","2","1") = "5"
    & skf21("4","5","4","6","2","6","3","1") = "5"
    & skf21("4","5","4","6","2","6","4","1") = "5"
    & skf21("4","5","4","6","2","6","5","1") = "5"
    & skf21("4","5","4","6","2","6","6","1") = "5"
    & skf21("4","5","4","6","2","6","7","1") = "6"
    & skf21("4","5","4","6","2","7","1","1") = "6"
    & skf21("4","5","4","6","2","7","2","1") = "6"
    & skf21("4","5","4","6","2","7","3","1") = "6"
    & skf21("4","5","4","6","2","7","4","1") = "6"
    & skf21("4","5","4","6","2","7","5","1") = "6"
    & skf21("4","5","4","6","2","7","6","1") = "6"
    & skf21("4","5","4","6","2","7","7","1") = "6"
    & skf21("4","5","4","6","3","1","1","1") = "5"
    & skf21("4","5","4","6","3","1","2","1") = "5"
    & skf21("4","5","4","6","3","1","3","1") = "5"
    & skf21("4","5","4","6","3","1","4","1") = "5"
    & skf21("4","5","4","6","3","1","5","1") = "5"
    & skf21("4","5","4","6","3","1","6","1") = "5"
    & skf21("4","5","4","6","3","1","7","1") = "6"
    & skf21("4","5","4","6","3","2","1","1") = "5"
    & skf21("4","5","4","6","3","2","2","1") = "5"
    & skf21("4","5","4","6","3","2","3","1") = "5"
    & skf21("4","5","4","6","3","2","4","1") = "5"
    & skf21("4","5","4","6","3","2","5","1") = "5"
    & skf21("4","5","4","6","3","2","6","1") = "5"
    & skf21("4","5","4","6","3","2","7","1") = "6"
    & skf21("4","5","4","6","3","3","1","1") = "5"
    & skf21("4","5","4","6","3","3","2","1") = "5"
    & skf21("4","5","4","6","3","3","3","1") = "5"
    & skf21("4","5","4","6","3","3","4","1") = "5"
    & skf21("4","5","4","6","3","3","5","1") = "5"
    & skf21("4","5","4","6","3","3","6","1") = "5"
    & skf21("4","5","4","6","3","3","7","1") = "6"
    & skf21("4","5","4","6","3","4","1","1") = "5"
    & skf21("4","5","4","6","3","4","2","1") = "5"
    & skf21("4","5","4","6","3","4","3","1") = "5"
    & skf21("4","5","4","6","3","4","4","1") = "5"
    & skf21("4","5","4","6","3","4","5","1") = "5"
    & skf21("4","5","4","6","3","4","6","1") = "5"
    & skf21("4","5","4","6","3","4","7","1") = "6"
    & skf21("4","5","4","6","3","5","1","1") = "5"
    & skf21("4","5","4","6","3","5","2","1") = "5"
    & skf21("4","5","4","6","3","5","3","1") = "5"
    & skf21("4","5","4","6","3","5","4","1") = "5"
    & skf21("4","5","4","6","3","5","5","1") = "5"
    & skf21("4","5","4","6","3","5","6","1") = "5"
    & skf21("4","5","4","6","3","5","7","1") = "6"
    & skf21("4","5","4","6","3","6","1","1") = "5"
    & skf21("4","5","4","6","3","6","2","1") = "5"
    & skf21("4","5","4","6","3","6","3","1") = "5"
    & skf21("4","5","4","6","3","6","4","1") = "5"
    & skf21("4","5","4","6","3","6","5","1") = "5"
    & skf21("4","5","4","6","3","6","6","1") = "5"
    & skf21("4","5","4","6","3","6","7","1") = "6"
    & skf21("4","5","4","6","3","7","1","1") = "6"
    & skf21("4","5","4","6","3","7","2","1") = "6"
    & skf21("4","5","4","6","3","7","3","1") = "6"
    & skf21("4","5","4","6","3","7","4","1") = "6"
    & skf21("4","5","4","6","3","7","5","1") = "6"
    & skf21("4","5","4","6","3","7","6","1") = "6"
    & skf21("4","5","4","6","3","7","7","1") = "6"
    & skf21("4","5","4","6","4","1","1","1") = "5"
    & skf21("4","5","4","6","4","1","2","1") = "5"
    & skf21("4","5","4","6","4","1","3","1") = "5"
    & skf21("4","5","4","6","4","1","4","1") = "5"
    & skf21("4","5","4","6","4","1","5","1") = "5"
    & skf21("4","5","4","6","4","1","6","1") = "5"
    & skf21("4","5","4","6","4","1","7","1") = "6"
    & skf21("4","5","4","6","4","2","1","1") = "5"
    & skf21("4","5","4","6","4","2","2","1") = "5"
    & skf21("4","5","4","6","4","2","3","1") = "5"
    & skf21("4","5","4","6","4","2","4","1") = "5"
    & skf21("4","5","4","6","4","2","5","1") = "5"
    & skf21("4","5","4","6","4","2","6","1") = "5"
    & skf21("4","5","4","6","4","2","7","1") = "6"
    & skf21("4","5","4","6","4","3","1","1") = "5"
    & skf21("4","5","4","6","4","3","2","1") = "5"
    & skf21("4","5","4","6","4","3","3","1") = "5"
    & skf21("4","5","4","6","4","3","4","1") = "5"
    & skf21("4","5","4","6","4","3","5","1") = "5"
    & skf21("4","5","4","6","4","3","6","1") = "5"
    & skf21("4","5","4","6","4","3","7","1") = "6"
    & skf21("4","5","4","6","4","4","1","1") = "5"
    & skf21("4","5","4","6","4","4","2","1") = "5"
    & skf21("4","5","4","6","4","4","3","1") = "5"
    & skf21("4","5","4","6","4","4","4","1") = "5"
    & skf21("4","5","4","6","4","4","5","1") = "5"
    & skf21("4","5","4","6","4","4","6","1") = "5"
    & skf21("4","5","4","6","4","4","7","1") = "6"
    & skf21("4","5","4","6","4","5","1","1") = "5"
    & skf21("4","5","4","6","4","5","2","1") = "5"
    & skf21("4","5","4","6","4","5","3","1") = "5"
    & skf21("4","5","4","6","4","5","4","1") = "5"
    & skf21("4","5","4","6","4","5","5","1") = "5"
    & skf21("4","5","4","6","4","5","6","1") = "5"
    & skf21("4","5","4","6","4","5","7","1") = "6"
    & skf21("4","5","4","6","4","6","1","1") = "5"
    & skf21("4","5","4","6","4","6","2","1") = "5"
    & skf21("4","5","4","6","4","6","3","1") = "5"
    & skf21("4","5","4","6","4","6","4","1") = "5"
    & skf21("4","5","4","6","4","6","5","1") = "5"
    & skf21("4","5","4","6","4","6","6","1") = "5"
    & skf21("4","5","4","6","4","6","7","1") = "6"
    & skf21("4","5","4","6","4","7","1","1") = "6"
    & skf21("4","5","4","6","4","7","2","1") = "6"
    & skf21("4","5","4","6","4","7","3","1") = "6"
    & skf21("4","5","4","6","4","7","4","1") = "6"
    & skf21("4","5","4","6","4","7","5","1") = "6"
    & skf21("4","5","4","6","4","7","6","1") = "6"
    & skf21("4","5","4","6","4","7","7","1") = "6"
    & skf21("4","5","4","6","5","1","1","1") = "5"
    & skf21("4","5","4","6","5","1","2","1") = "5"
    & skf21("4","5","4","6","5","1","3","1") = "5"
    & skf21("4","5","4","6","5","1","4","1") = "5"
    & skf21("4","5","4","6","5","1","5","1") = "5"
    & skf21("4","5","4","6","5","1","6","1") = "5"
    & skf21("4","5","4","6","5","1","7","1") = "6"
    & skf21("4","5","4","6","5","2","1","1") = "5"
    & skf21("4","5","4","6","5","2","2","1") = "5"
    & skf21("4","5","4","6","5","2","3","1") = "5"
    & skf21("4","5","4","6","5","2","4","1") = "5"
    & skf21("4","5","4","6","5","2","5","1") = "5"
    & skf21("4","5","4","6","5","2","6","1") = "5"
    & skf21("4","5","4","6","5","2","7","1") = "6"
    & skf21("4","5","4","6","5","3","1","1") = "5"
    & skf21("4","5","4","6","5","3","2","1") = "5"
    & skf21("4","5","4","6","5","3","3","1") = "5"
    & skf21("4","5","4","6","5","3","4","1") = "5"
    & skf21("4","5","4","6","5","3","5","1") = "5"
    & skf21("4","5","4","6","5","3","6","1") = "5"
    & skf21("4","5","4","6","5","3","7","1") = "6"
    & skf21("4","5","4","6","5","4","1","1") = "5"
    & skf21("4","5","4","6","5","4","2","1") = "5"
    & skf21("4","5","4","6","5","4","3","1") = "5"
    & skf21("4","5","4","6","5","4","4","1") = "5"
    & skf21("4","5","4","6","5","4","5","1") = "5"
    & skf21("4","5","4","6","5","4","6","1") = "5"
    & skf21("4","5","4","6","5","4","7","1") = "6"
    & skf21("4","5","4","6","5","5","1","1") = "5"
    & skf21("4","5","4","6","5","5","2","1") = "5"
    & skf21("4","5","4","6","5","5","3","1") = "5"
    & skf21("4","5","4","6","5","5","4","1") = "5"
    & skf21("4","5","4","6","5","5","5","1") = "5"
    & skf21("4","5","4","6","5","5","6","1") = "5"
    & skf21("4","5","4","6","5","5","7","1") = "6"
    & skf21("4","5","4","6","5","6","1","1") = "5"
    & skf21("4","5","4","6","5","6","2","1") = "5"
    & skf21("4","5","4","6","5","6","3","1") = "5"
    & skf21("4","5","4","6","5","6","4","1") = "5"
    & skf21("4","5","4","6","5","6","5","1") = "5"
    & skf21("4","5","4","6","5","6","6","1") = "5"
    & skf21("4","5","4","6","5","6","7","1") = "6"
    & skf21("4","5","4","6","5","7","1","1") = "6"
    & skf21("4","5","4","6","5","7","2","1") = "6"
    & skf21("4","5","4","6","5","7","3","1") = "6"
    & skf21("4","5","4","6","5","7","4","1") = "6"
    & skf21("4","5","4","6","5","7","5","1") = "6"
    & skf21("4","5","4","6","5","7","6","1") = "6"
    & skf21("4","5","4","6","5","7","7","1") = "6"
    & skf21("4","5","4","6","6","1","1","1") = "5"
    & skf21("4","5","4","6","6","1","2","1") = "5"
    & skf21("4","5","4","6","6","1","3","1") = "5"
    & skf21("4","5","4","6","6","1","4","1") = "5"
    & skf21("4","5","4","6","6","1","5","1") = "5"
    & skf21("4","5","4","6","6","1","6","1") = "5"
    & skf21("4","5","4","6","6","1","7","1") = "6"
    & skf21("4","5","4","6","6","2","1","1") = "5"
    & skf21("4","5","4","6","6","2","2","1") = "5"
    & skf21("4","5","4","6","6","2","3","1") = "5"
    & skf21("4","5","4","6","6","2","4","1") = "5"
    & skf21("4","5","4","6","6","2","5","1") = "5"
    & skf21("4","5","4","6","6","2","6","1") = "5"
    & skf21("4","5","4","6","6","2","7","1") = "6"
    & skf21("4","5","4","6","6","3","1","1") = "5"
    & skf21("4","5","4","6","6","3","2","1") = "5"
    & skf21("4","5","4","6","6","3","3","1") = "5"
    & skf21("4","5","4","6","6","3","4","1") = "5"
    & skf21("4","5","4","6","6","3","5","1") = "5"
    & skf21("4","5","4","6","6","3","6","1") = "5"
    & skf21("4","5","4","6","6","3","7","1") = "6"
    & skf21("4","5","4","6","6","4","1","1") = "5"
    & skf21("4","5","4","6","6","4","2","1") = "5"
    & skf21("4","5","4","6","6","4","3","1") = "5"
    & skf21("4","5","4","6","6","4","4","1") = "5"
    & skf21("4","5","4","6","6","4","5","1") = "5"
    & skf21("4","5","4","6","6","4","6","1") = "5"
    & skf21("4","5","4","6","6","4","7","1") = "6"
    & skf21("4","5","4","6","6","5","1","1") = "5"
    & skf21("4","5","4","6","6","5","2","1") = "5"
    & skf21("4","5","4","6","6","5","3","1") = "5"
    & skf21("4","5","4","6","6","5","4","1") = "5"
    & skf21("4","5","4","6","6","5","5","1") = "5"
    & skf21("4","5","4","6","6","5","6","1") = "5"
    & skf21("4","5","4","6","6","5","7","1") = "6"
    & skf21("4","5","4","6","6","6","1","1") = "5"
    & skf21("4","5","4","6","6","6","2","1") = "5"
    & skf21("4","5","4","6","6","6","3","1") = "5"
    & skf21("4","5","4","6","6","6","4","1") = "5"
    & skf21("4","5","4","6","6","6","5","1") = "5"
    & skf21("4","5","4","6","6","6","6","1") = "5"
    & skf21("4","5","4","6","6","6","7","1") = "6"
    & skf21("4","5","4","6","6","7","1","1") = "6"
    & skf21("4","5","4","6","6","7","2","1") = "6"
    & skf21("4","5","4","6","6","7","3","1") = "6"
    & skf21("4","5","4","6","6","7","4","1") = "6"
    & skf21("4","5","4","6","6","7","5","1") = "6"
    & skf21("4","5","4","6","6","7","6","1") = "6"
    & skf21("4","5","4","6","6","7","7","1") = "6"
    & skf21("4","5","4","6","7","1","1","1") = "6"
    & skf21("4","5","4","6","7","1","2","1") = "6"
    & skf21("4","5","4","6","7","1","3","1") = "6"
    & skf21("4","5","4","6","7","1","4","1") = "6"
    & skf21("4","5","4","6","7","1","5","1") = "6"
    & skf21("4","5","4","6","7","1","6","1") = "6"
    & skf21("4","5","4","6","7","1","7","1") = "6"
    & skf21("4","5","4","6","7","2","1","1") = "6"
    & skf21("4","5","4","6","7","2","2","1") = "6"
    & skf21("4","5","4","6","7","2","3","1") = "6"
    & skf21("4","5","4","6","7","2","4","1") = "6"
    & skf21("4","5","4","6","7","2","5","1") = "6"
    & skf21("4","5","4","6","7","2","6","1") = "6"
    & skf21("4","5","4","6","7","2","7","1") = "6"
    & skf21("4","5","4","6","7","3","1","1") = "6"
    & skf21("4","5","4","6","7","3","2","1") = "6"
    & skf21("4","5","4","6","7","3","3","1") = "6"
    & skf21("4","5","4","6","7","3","4","1") = "6"
    & skf21("4","5","4","6","7","3","5","1") = "6"
    & skf21("4","5","4","6","7","3","6","1") = "6"
    & skf21("4","5","4","6","7","3","7","1") = "6"
    & skf21("4","5","4","6","7","4","1","1") = "6"
    & skf21("4","5","4","6","7","4","2","1") = "6"
    & skf21("4","5","4","6","7","4","3","1") = "6"
    & skf21("4","5","4","6","7","4","4","1") = "6"
    & skf21("4","5","4","6","7","4","5","1") = "6"
    & skf21("4","5","4","6","7","4","6","1") = "6"
    & skf21("4","5","4","6","7","4","7","1") = "6"
    & skf21("4","5","4","6","7","5","1","1") = "6"
    & skf21("4","5","4","6","7","5","2","1") = "6"
    & skf21("4","5","4","6","7","5","3","1") = "6"
    & skf21("4","5","4","6","7","5","4","1") = "6"
    & skf21("4","5","4","6","7","5","5","1") = "6"
    & skf21("4","5","4","6","7","5","6","1") = "6"
    & skf21("4","5","4","6","7","5","7","1") = "6"
    & skf21("4","5","4","6","7","6","1","1") = "6"
    & skf21("4","5","4","6","7","6","2","1") = "6"
    & skf21("4","5","4","6","7","6","3","1") = "6"
    & skf21("4","5","4","6","7","6","4","1") = "6"
    & skf21("4","5","4","6","7","6","5","1") = "6"
    & skf21("4","5","4","6","7","6","6","1") = "6"
    & skf21("4","5","4","6","7","6","7","1") = "6"
    & skf21("4","5","4","6","7","7","1","1") = "6"
    & skf21("4","5","4","6","7","7","2","1") = "6"
    & skf21("4","5","4","6","7","7","3","1") = "6"
    & skf21("4","5","4","6","7","7","4","1") = "6"
    & skf21("4","5","4","6","7","7","5","1") = "6"
    & skf21("4","5","4","6","7","7","6","1") = "6"
    & skf21("4","5","4","6","7","7","7","1") = "6"
    & skf21("4","5","4","7","1","1","1","1") = "6"
    & skf21("4","5","4","7","1","1","2","1") = "6"
    & skf21("4","5","4","7","1","1","3","1") = "6"
    & skf21("4","5","4","7","1","1","4","1") = "6"
    & skf21("4","5","4","7","1","1","5","1") = "6"
    & skf21("4","5","4","7","1","1","6","1") = "6"
    & skf21("4","5","4","7","1","1","7","1") = "6"
    & skf21("4","5","4","7","1","2","1","1") = "6"
    & skf21("4","5","4","7","1","2","2","1") = "6"
    & skf21("4","5","4","7","1","2","3","1") = "6"
    & skf21("4","5","4","7","1","2","4","1") = "6"
    & skf21("4","5","4","7","1","2","5","1") = "6"
    & skf21("4","5","4","7","1","2","6","1") = "6"
    & skf21("4","5","4","7","1","2","7","1") = "6"
    & skf21("4","5","4","7","1","3","1","1") = "6"
    & skf21("4","5","4","7","1","3","2","1") = "6"
    & skf21("4","5","4","7","1","3","3","1") = "6"
    & skf21("4","5","4","7","1","3","4","1") = "6"
    & skf21("4","5","4","7","1","3","5","1") = "6"
    & skf21("4","5","4","7","1","3","6","1") = "6"
    & skf21("4","5","4","7","1","3","7","1") = "6"
    & skf21("4","5","4","7","1","4","1","1") = "6"
    & skf21("4","5","4","7","1","4","2","1") = "6"
    & skf21("4","5","4","7","1","4","3","1") = "6"
    & skf21("4","5","4","7","1","4","4","1") = "6"
    & skf21("4","5","4","7","1","4","5","1") = "6"
    & skf21("4","5","4","7","1","4","6","1") = "6"
    & skf21("4","5","4","7","1","4","7","1") = "6"
    & skf21("4","5","4","7","1","5","1","1") = "6"
    & skf21("4","5","4","7","1","5","2","1") = "6"
    & skf21("4","5","4","7","1","5","3","1") = "6"
    & skf21("4","5","4","7","1","5","4","1") = "6"
    & skf21("4","5","4","7","1","5","5","1") = "6"
    & skf21("4","5","4","7","1","5","6","1") = "6"
    & skf21("4","5","4","7","1","5","7","1") = "6"
    & skf21("4","5","4","7","1","6","1","1") = "6"
    & skf21("4","5","4","7","1","6","2","1") = "6"
    & skf21("4","5","4","7","1","6","3","1") = "6"
    & skf21("4","5","4","7","1","6","4","1") = "6"
    & skf21("4","5","4","7","1","6","5","1") = "6"
    & skf21("4","5","4","7","1","6","6","1") = "6"
    & skf21("4","5","4","7","1","6","7","1") = "6"
    & skf21("4","5","4","7","1","7","1","1") = "6"
    & skf21("4","5","4","7","1","7","2","1") = "6"
    & skf21("4","5","4","7","1","7","3","1") = "6"
    & skf21("4","5","4","7","1","7","4","1") = "6"
    & skf21("4","5","4","7","1","7","5","1") = "6"
    & skf21("4","5","4","7","1","7","6","1") = "6"
    & skf21("4","5","4","7","1","7","7","1") = "6"
    & skf21("4","5","4","7","2","1","1","1") = "6"
    & skf21("4","5","4","7","2","1","2","1") = "6"
    & skf21("4","5","4","7","2","1","3","1") = "6"
    & skf21("4","5","4","7","2","1","4","1") = "6"
    & skf21("4","5","4","7","2","1","5","1") = "6"
    & skf21("4","5","4","7","2","1","6","1") = "6"
    & skf21("4","5","4","7","2","1","7","1") = "6"
    & skf21("4","5","4","7","2","2","1","1") = "6"
    & skf21("4","5","4","7","2","2","2","1") = "6"
    & skf21("4","5","4","7","2","2","3","1") = "6"
    & skf21("4","5","4","7","2","2","4","1") = "6"
    & skf21("4","5","4","7","2","2","5","1") = "6"
    & skf21("4","5","4","7","2","2","6","1") = "6"
    & skf21("4","5","4","7","2","2","7","1") = "6"
    & skf21("4","5","4","7","2","3","1","1") = "6"
    & skf21("4","5","4","7","2","3","2","1") = "6"
    & skf21("4","5","4","7","2","3","3","1") = "6"
    & skf21("4","5","4","7","2","3","4","1") = "6"
    & skf21("4","5","4","7","2","3","5","1") = "6"
    & skf21("4","5","4","7","2","3","6","1") = "6"
    & skf21("4","5","4","7","2","3","7","1") = "6"
    & skf21("4","5","4","7","2","4","1","1") = "6"
    & skf21("4","5","4","7","2","4","2","1") = "6"
    & skf21("4","5","4","7","2","4","3","1") = "6"
    & skf21("4","5","4","7","2","4","4","1") = "6"
    & skf21("4","5","4","7","2","4","5","1") = "6"
    & skf21("4","5","4","7","2","4","6","1") = "6"
    & skf21("4","5","4","7","2","4","7","1") = "6"
    & skf21("4","5","4","7","2","5","1","1") = "6"
    & skf21("4","5","4","7","2","5","2","1") = "6"
    & skf21("4","5","4","7","2","5","3","1") = "6"
    & skf21("4","5","4","7","2","5","4","1") = "6"
    & skf21("4","5","4","7","2","5","5","1") = "6"
    & skf21("4","5","4","7","2","5","6","1") = "6"
    & skf21("4","5","4","7","2","5","7","1") = "6"
    & skf21("4","5","4","7","2","6","1","1") = "6"
    & skf21("4","5","4","7","2","6","2","1") = "6"
    & skf21("4","5","4","7","2","6","3","1") = "6"
    & skf21("4","5","4","7","2","6","4","1") = "6"
    & skf21("4","5","4","7","2","6","5","1") = "6"
    & skf21("4","5","4","7","2","6","6","1") = "6"
    & skf21("4","5","4","7","2","6","7","1") = "6"
    & skf21("4","5","4","7","2","7","1","1") = "6"
    & skf21("4","5","4","7","2","7","2","1") = "6"
    & skf21("4","5","4","7","2","7","3","1") = "6"
    & skf21("4","5","4","7","2","7","4","1") = "6"
    & skf21("4","5","4","7","2","7","5","1") = "6"
    & skf21("4","5","4","7","2","7","6","1") = "6"
    & skf21("4","5","4","7","2","7","7","1") = "6"
    & skf21("4","5","4","7","3","1","1","1") = "6"
    & skf21("4","5","4","7","3","1","2","1") = "6"
    & skf21("4","5","4","7","3","1","3","1") = "6"
    & skf21("4","5","4","7","3","1","4","1") = "6"
    & skf21("4","5","4","7","3","1","5","1") = "6"
    & skf21("4","5","4","7","3","1","6","1") = "6"
    & skf21("4","5","4","7","3","1","7","1") = "6"
    & skf21("4","5","4","7","3","2","1","1") = "6"
    & skf21("4","5","4","7","3","2","2","1") = "6"
    & skf21("4","5","4","7","3","2","3","1") = "6"
    & skf21("4","5","4","7","3","2","4","1") = "6"
    & skf21("4","5","4","7","3","2","5","1") = "6"
    & skf21("4","5","4","7","3","2","6","1") = "6"
    & skf21("4","5","4","7","3","2","7","1") = "6"
    & skf21("4","5","4","7","3","3","1","1") = "6"
    & skf21("4","5","4","7","3","3","2","1") = "6"
    & skf21("4","5","4","7","3","3","3","1") = "6"
    & skf21("4","5","4","7","3","3","4","1") = "6"
    & skf21("4","5","4","7","3","3","5","1") = "6"
    & skf21("4","5","4","7","3","3","6","1") = "6"
    & skf21("4","5","4","7","3","3","7","1") = "6"
    & skf21("4","5","4","7","3","4","1","1") = "6"
    & skf21("4","5","4","7","3","4","2","1") = "6"
    & skf21("4","5","4","7","3","4","3","1") = "6"
    & skf21("4","5","4","7","3","4","4","1") = "6"
    & skf21("4","5","4","7","3","4","5","1") = "6"
    & skf21("4","5","4","7","3","4","6","1") = "6"
    & skf21("4","5","4","7","3","4","7","1") = "6"
    & skf21("4","5","4","7","3","5","1","1") = "6"
    & skf21("4","5","4","7","3","5","2","1") = "6"
    & skf21("4","5","4","7","3","5","3","1") = "6"
    & skf21("4","5","4","7","3","5","4","1") = "6"
    & skf21("4","5","4","7","3","5","5","1") = "6"
    & skf21("4","5","4","7","3","5","6","1") = "6"
    & skf21("4","5","4","7","3","5","7","1") = "6"
    & skf21("4","5","4","7","3","6","1","1") = "6"
    & skf21("4","5","4","7","3","6","2","1") = "6"
    & skf21("4","5","4","7","3","6","3","1") = "6"
    & skf21("4","5","4","7","3","6","4","1") = "6"
    & skf21("4","5","4","7","3","6","5","1") = "6"
    & skf21("4","5","4","7","3","6","6","1") = "6"
    & skf21("4","5","4","7","3","6","7","1") = "6"
    & skf21("4","5","4","7","3","7","1","1") = "6"
    & skf21("4","5","4","7","3","7","2","1") = "6"
    & skf21("4","5","4","7","3","7","3","1") = "6"
    & skf21("4","5","4","7","3","7","4","1") = "6"
    & skf21("4","5","4","7","3","7","5","1") = "6"
    & skf21("4","5","4","7","3","7","6","1") = "6"
    & skf21("4","5","4","7","3","7","7","1") = "6"
    & skf21("4","5","4","7","4","1","1","1") = "6"
    & skf21("4","5","4","7","4","1","2","1") = "6"
    & skf21("4","5","4","7","4","1","3","1") = "6"
    & skf21("4","5","4","7","4","1","4","1") = "6"
    & skf21("4","5","4","7","4","1","5","1") = "6"
    & skf21("4","5","4","7","4","1","6","1") = "6"
    & skf21("4","5","4","7","4","1","7","1") = "6"
    & skf21("4","5","4","7","4","2","1","1") = "6"
    & skf21("4","5","4","7","4","2","2","1") = "6"
    & skf21("4","5","4","7","4","2","3","1") = "6"
    & skf21("4","5","4","7","4","2","4","1") = "6"
    & skf21("4","5","4","7","4","2","5","1") = "6"
    & skf21("4","5","4","7","4","2","6","1") = "6"
    & skf21("4","5","4","7","4","2","7","1") = "6"
    & skf21("4","5","4","7","4","3","1","1") = "6"
    & skf21("4","5","4","7","4","3","2","1") = "6"
    & skf21("4","5","4","7","4","3","3","1") = "6"
    & skf21("4","5","4","7","4","3","4","1") = "6"
    & skf21("4","5","4","7","4","3","5","1") = "6"
    & skf21("4","5","4","7","4","3","6","1") = "6"
    & skf21("4","5","4","7","4","3","7","1") = "6"
    & skf21("4","5","4","7","4","4","1","1") = "6"
    & skf21("4","5","4","7","4","4","2","1") = "6"
    & skf21("4","5","4","7","4","4","3","1") = "6"
    & skf21("4","5","4","7","4","4","4","1") = "6"
    & skf21("4","5","4","7","4","4","5","1") = "6"
    & skf21("4","5","4","7","4","4","6","1") = "6"
    & skf21("4","5","4","7","4","4","7","1") = "6"
    & skf21("4","5","4","7","4","5","1","1") = "6"
    & skf21("4","5","4","7","4","5","2","1") = "6"
    & skf21("4","5","4","7","4","5","3","1") = "6"
    & skf21("4","5","4","7","4","5","4","1") = "6"
    & skf21("4","5","4","7","4","5","5","1") = "6"
    & skf21("4","5","4","7","4","5","6","1") = "6"
    & skf21("4","5","4","7","4","5","7","1") = "6"
    & skf21("4","5","4","7","4","6","1","1") = "6"
    & skf21("4","5","4","7","4","6","2","1") = "6"
    & skf21("4","5","4","7","4","6","3","1") = "6"
    & skf21("4","5","4","7","4","6","4","1") = "6"
    & skf21("4","5","4","7","4","6","5","1") = "6"
    & skf21("4","5","4","7","4","6","6","1") = "6"
    & skf21("4","5","4","7","4","6","7","1") = "6"
    & skf21("4","5","4","7","4","7","1","1") = "6"
    & skf21("4","5","4","7","4","7","2","1") = "6"
    & skf21("4","5","4","7","4","7","3","1") = "6"
    & skf21("4","5","4","7","4","7","4","1") = "6"
    & skf21("4","5","4","7","4","7","5","1") = "6"
    & skf21("4","5","4","7","4","7","6","1") = "6"
    & skf21("4","5","4","7","4","7","7","1") = "6"
    & skf21("4","5","4","7","5","1","1","1") = "6"
    & skf21("4","5","4","7","5","1","2","1") = "6"
    & skf21("4","5","4","7","5","1","3","1") = "6"
    & skf21("4","5","4","7","5","1","4","1") = "6"
    & skf21("4","5","4","7","5","1","5","1") = "6"
    & skf21("4","5","4","7","5","1","6","1") = "6"
    & skf21("4","5","4","7","5","1","7","1") = "6"
    & skf21("4","5","4","7","5","2","1","1") = "6"
    & skf21("4","5","4","7","5","2","2","1") = "6"
    & skf21("4","5","4","7","5","2","3","1") = "6"
    & skf21("4","5","4","7","5","2","4","1") = "6"
    & skf21("4","5","4","7","5","2","5","1") = "6"
    & skf21("4","5","4","7","5","2","6","1") = "6"
    & skf21("4","5","4","7","5","2","7","1") = "6"
    & skf21("4","5","4","7","5","3","1","1") = "6"
    & skf21("4","5","4","7","5","3","2","1") = "6"
    & skf21("4","5","4","7","5","3","3","1") = "6"
    & skf21("4","5","4","7","5","3","4","1") = "6"
    & skf21("4","5","4","7","5","3","5","1") = "6"
    & skf21("4","5","4","7","5","3","6","1") = "6"
    & skf21("4","5","4","7","5","3","7","1") = "6"
    & skf21("4","5","4","7","5","4","1","1") = "6"
    & skf21("4","5","4","7","5","4","2","1") = "6"
    & skf21("4","5","4","7","5","4","3","1") = "6"
    & skf21("4","5","4","7","5","4","4","1") = "6"
    & skf21("4","5","4","7","5","4","5","1") = "6"
    & skf21("4","5","4","7","5","4","6","1") = "6"
    & skf21("4","5","4","7","5","4","7","1") = "6"
    & skf21("4","5","4","7","5","5","1","1") = "6"
    & skf21("4","5","4","7","5","5","2","1") = "6"
    & skf21("4","5","4","7","5","5","3","1") = "6"
    & skf21("4","5","4","7","5","5","4","1") = "6"
    & skf21("4","5","4","7","5","5","5","1") = "6"
    & skf21("4","5","4","7","5","5","6","1") = "6"
    & skf21("4","5","4","7","5","5","7","1") = "6"
    & skf21("4","5","4","7","5","6","1","1") = "6"
    & skf21("4","5","4","7","5","6","2","1") = "6"
    & skf21("4","5","4","7","5","6","3","1") = "6"
    & skf21("4","5","4","7","5","6","4","1") = "6"
    & skf21("4","5","4","7","5","6","5","1") = "6"
    & skf21("4","5","4","7","5","6","6","1") = "6"
    & skf21("4","5","4","7","5","6","7","1") = "6"
    & skf21("4","5","4","7","5","7","1","1") = "6"
    & skf21("4","5","4","7","5","7","2","1") = "6"
    & skf21("4","5","4","7","5","7","3","1") = "6"
    & skf21("4","5","4","7","5","7","4","1") = "6"
    & skf21("4","5","4","7","5","7","5","1") = "6"
    & skf21("4","5","4","7","5","7","6","1") = "6"
    & skf21("4","5","4","7","5","7","7","1") = "6"
    & skf21("4","5","4","7","6","1","1","1") = "6"
    & skf21("4","5","4","7","6","1","2","1") = "6"
    & skf21("4","5","4","7","6","1","3","1") = "6"
    & skf21("4","5","4","7","6","1","4","1") = "6"
    & skf21("4","5","4","7","6","1","5","1") = "6"
    & skf21("4","5","4","7","6","1","6","1") = "6"
    & skf21("4","5","4","7","6","1","7","1") = "6"
    & skf21("4","5","4","7","6","2","1","1") = "6"
    & skf21("4","5","4","7","6","2","2","1") = "6"
    & skf21("4","5","4","7","6","2","3","1") = "6"
    & skf21("4","5","4","7","6","2","4","1") = "6"
    & skf21("4","5","4","7","6","2","5","1") = "6"
    & skf21("4","5","4","7","6","2","6","1") = "6"
    & skf21("4","5","4","7","6","2","7","1") = "6"
    & skf21("4","5","4","7","6","3","1","1") = "6"
    & skf21("4","5","4","7","6","3","2","1") = "6"
    & skf21("4","5","4","7","6","3","3","1") = "6"
    & skf21("4","5","4","7","6","3","4","1") = "6"
    & skf21("4","5","4","7","6","3","5","1") = "6"
    & skf21("4","5","4","7","6","3","6","1") = "6"
    & skf21("4","5","4","7","6","3","7","1") = "6"
    & skf21("4","5","4","7","6","4","1","1") = "6"
    & skf21("4","5","4","7","6","4","2","1") = "6"
    & skf21("4","5","4","7","6","4","3","1") = "6"
    & skf21("4","5","4","7","6","4","4","1") = "6"
    & skf21("4","5","4","7","6","4","5","1") = "6"
    & skf21("4","5","4","7","6","4","6","1") = "6"
    & skf21("4","5","4","7","6","4","7","1") = "6"
    & skf21("4","5","4","7","6","5","1","1") = "6"
    & skf21("4","5","4","7","6","5","2","1") = "6"
    & skf21("4","5","4","7","6","5","3","1") = "6"
    & skf21("4","5","4","7","6","5","4","1") = "6"
    & skf21("4","5","4","7","6","5","5","1") = "6"
    & skf21("4","5","4","7","6","5","6","1") = "6"
    & skf21("4","5","4","7","6","5","7","1") = "6"
    & skf21("4","5","4","7","6","6","1","1") = "6"
    & skf21("4","5","4","7","6","6","2","1") = "6"
    & skf21("4","5","4","7","6","6","3","1") = "6"
    & skf21("4","5","4","7","6","6","4","1") = "6"
    & skf21("4","5","4","7","6","6","5","1") = "6"
    & skf21("4","5","4","7","6","6","6","1") = "6"
    & skf21("4","5","4","7","6","6","7","1") = "6"
    & skf21("4","5","4","7","6","7","1","1") = "6"
    & skf21("4","5","4","7","6","7","2","1") = "6"
    & skf21("4","5","4","7","6","7","3","1") = "6"
    & skf21("4","5","4","7","6","7","4","1") = "6"
    & skf21("4","5","4","7","6","7","5","1") = "6"
    & skf21("4","5","4","7","6","7","6","1") = "6"
    & skf21("4","5","4","7","6","7","7","1") = "6"
    & skf21("4","5","4","7","7","1","1","1") = "6"
    & skf21("4","5","4","7","7","1","2","1") = "6"
    & skf21("4","5","4","7","7","1","3","1") = "6"
    & skf21("4","5","4","7","7","1","4","1") = "6"
    & skf21("4","5","4","7","7","1","5","1") = "6"
    & skf21("4","5","4","7","7","1","6","1") = "6"
    & skf21("4","5","4","7","7","1","7","1") = "6"
    & skf21("4","5","4","7","7","2","1","1") = "6"
    & skf21("4","5","4","7","7","2","2","1") = "6"
    & skf21("4","5","4","7","7","2","3","1") = "6"
    & skf21("4","5","4","7","7","2","4","1") = "6"
    & skf21("4","5","4","7","7","2","5","1") = "6"
    & skf21("4","5","4","7","7","2","6","1") = "6"
    & skf21("4","5","4","7","7","2","7","1") = "6"
    & skf21("4","5","4","7","7","3","1","1") = "6"
    & skf21("4","5","4","7","7","3","2","1") = "6"
    & skf21("4","5","4","7","7","3","3","1") = "6"
    & skf21("4","5","4","7","7","3","4","1") = "6"
    & skf21("4","5","4","7","7","3","5","1") = "6"
    & skf21("4","5","4","7","7","3","6","1") = "6"
    & skf21("4","5","4","7","7","3","7","1") = "6"
    & skf21("4","5","4","7","7","4","1","1") = "6"
    & skf21("4","5","4","7","7","4","2","1") = "6"
    & skf21("4","5","4","7","7","4","3","1") = "6"
    & skf21("4","5","4","7","7","4","4","1") = "6"
    & skf21("4","5","4","7","7","4","5","1") = "6"
    & skf21("4","5","4","7","7","4","6","1") = "6"
    & skf21("4","5","4","7","7","4","7","1") = "6"
    & skf21("4","5","4","7","7","5","1","1") = "6"
    & skf21("4","5","4","7","7","5","2","1") = "6"
    & skf21("4","5","4","7","7","5","3","1") = "6"
    & skf21("4","5","4","7","7","5","4","1") = "6"
    & skf21("4","5","4","7","7","5","5","1") = "6"
    & skf21("4","5","4","7","7","5","6","1") = "6"
    & skf21("4","5","4","7","7","5","7","1") = "6"
    & skf21("4","5","4","7","7","6","1","1") = "6"
    & skf21("4","5","4","7","7","6","2","1") = "6"
    & skf21("4","5","4","7","7","6","3","1") = "6"
    & skf21("4","5","4","7","7","6","4","1") = "6"
    & skf21("4","5","4","7","7","6","5","1") = "6"
    & skf21("4","5","4","7","7","6","6","1") = "6"
    & skf21("4","5","4","7","7","6","7","1") = "6"
    & skf21("4","5","4","7","7","7","1","1") = "6"
    & skf21("4","5","4","7","7","7","2","1") = "6"
    & skf21("4","5","4","7","7","7","3","1") = "6"
    & skf21("4","5","4","7","7","7","4","1") = "6"
    & skf21("4","5","4","7","7","7","5","1") = "6"
    & skf21("4","5","4","7","7","7","6","1") = "6"
    & skf21("4","5","4","7","7","7","7","1") = "6"
    & skf21("4","5","5","1","1","1","1","1") = "4"
    & skf21("4","5","5","1","1","1","2","1") = "4"
    & skf21("4","5","5","1","1","1","3","1") = "4"
    & skf21("4","5","5","1","1","1","4","1") = "4"
    & skf21("4","5","5","1","1","1","5","1") = "4"
    & skf21("4","5","5","1","1","1","6","1") = "5"
    & skf21("4","5","5","1","1","1","7","1") = "6"
    & skf21("4","5","5","1","1","2","1","1") = "4"
    & skf21("4","5","5","1","1","2","2","1") = "4"
    & skf21("4","5","5","1","1","2","3","1") = "4"
    & skf21("4","5","5","1","1","2","4","1") = "4"
    & skf21("4","5","5","1","1","2","5","1") = "4"
    & skf21("4","5","5","1","1","2","6","1") = "5"
    & skf21("4","5","5","1","1","2","7","1") = "6"
    & skf21("4","5","5","1","1","3","1","1") = "4"
    & skf21("4","5","5","1","1","3","2","1") = "4"
    & skf21("4","5","5","1","1","3","3","1") = "4"
    & skf21("4","5","5","1","1","3","4","1") = "4"
    & skf21("4","5","5","1","1","3","5","1") = "4"
    & skf21("4","5","5","1","1","3","6","1") = "5"
    & skf21("4","5","5","1","1","3","7","1") = "6"
    & skf21("4","5","5","1","1","4","1","1") = "4"
    & skf21("4","5","5","1","1","4","2","1") = "4"
    & skf21("4","5","5","1","1","4","3","1") = "4"
    & skf21("4","5","5","1","1","4","4","1") = "4"
    & skf21("4","5","5","1","1","4","5","1") = "4"
    & skf21("4","5","5","1","1","4","6","1") = "5"
    & skf21("4","5","5","1","1","4","7","1") = "6"
    & skf21("4","5","5","1","1","5","1","1") = "4"
    & skf21("4","5","5","1","1","5","2","1") = "4"
    & skf21("4","5","5","1","1","5","3","1") = "4"
    & skf21("4","5","5","1","1","5","4","1") = "4"
    & skf21("4","5","5","1","1","5","5","1") = "4"
    & skf21("4","5","5","1","1","5","6","1") = "5"
    & skf21("4","5","5","1","1","5","7","1") = "6"
    & skf21("4","5","5","1","1","6","1","1") = "5"
    & skf21("4","5","5","1","1","6","2","1") = "5"
    & skf21("4","5","5","1","1","6","3","1") = "5"
    & skf21("4","5","5","1","1","6","4","1") = "5"
    & skf21("4","5","5","1","1","6","5","1") = "5"
    & skf21("4","5","5","1","1","6","6","1") = "5"
    & skf21("4","5","5","1","1","6","7","1") = "6"
    & skf21("4","5","5","1","1","7","1","1") = "6"
    & skf21("4","5","5","1","1","7","2","1") = "6"
    & skf21("4","5","5","1","1","7","3","1") = "6"
    & skf21("4","5","5","1","1","7","4","1") = "6"
    & skf21("4","5","5","1","1","7","5","1") = "6"
    & skf21("4","5","5","1","1","7","6","1") = "6"
    & skf21("4","5","5","1","1","7","7","1") = "6"
    & skf21("4","5","5","1","2","1","1","1") = "4"
    & skf21("4","5","5","1","2","1","2","1") = "4"
    & skf21("4","5","5","1","2","1","3","1") = "4"
    & skf21("4","5","5","1","2","1","4","1") = "4"
    & skf21("4","5","5","1","2","1","5","1") = "4"
    & skf21("4","5","5","1","2","1","6","1") = "5"
    & skf21("4","5","5","1","2","1","7","1") = "6"
    & skf21("4","5","5","1","2","2","1","1") = "4"
    & skf21("4","5","5","1","2","2","2","1") = "4"
    & skf21("4","5","5","1","2","2","3","1") = "4"
    & skf21("4","5","5","1","2","2","4","1") = "4"
    & skf21("4","5","5","1","2","2","5","1") = "4"
    & skf21("4","5","5","1","2","2","6","1") = "5"
    & skf21("4","5","5","1","2","2","7","1") = "6"
    & skf21("4","5","5","1","2","3","1","1") = "4"
    & skf21("4","5","5","1","2","3","2","1") = "4"
    & skf21("4","5","5","1","2","3","3","1") = "4"
    & skf21("4","5","5","1","2","3","4","1") = "4"
    & skf21("4","5","5","1","2","3","5","1") = "4"
    & skf21("4","5","5","1","2","3","6","1") = "5"
    & skf21("4","5","5","1","2","3","7","1") = "6"
    & skf21("4","5","5","1","2","4","1","1") = "4"
    & skf21("4","5","5","1","2","4","2","1") = "4"
    & skf21("4","5","5","1","2","4","3","1") = "4"
    & skf21("4","5","5","1","2","4","4","1") = "4"
    & skf21("4","5","5","1","2","4","5","1") = "4"
    & skf21("4","5","5","1","2","4","6","1") = "5"
    & skf21("4","5","5","1","2","4","7","1") = "6"
    & skf21("4","5","5","1","2","5","1","1") = "4"
    & skf21("4","5","5","1","2","5","2","1") = "4"
    & skf21("4","5","5","1","2","5","3","1") = "4"
    & skf21("4","5","5","1","2","5","4","1") = "4"
    & skf21("4","5","5","1","2","5","5","1") = "4"
    & skf21("4","5","5","1","2","5","6","1") = "5"
    & skf21("4","5","5","1","2","5","7","1") = "6"
    & skf21("4","5","5","1","2","6","1","1") = "5"
    & skf21("4","5","5","1","2","6","2","1") = "5"
    & skf21("4","5","5","1","2","6","3","1") = "5"
    & skf21("4","5","5","1","2","6","4","1") = "5"
    & skf21("4","5","5","1","2","6","5","1") = "5"
    & skf21("4","5","5","1","2","6","6","1") = "5"
    & skf21("4","5","5","1","2","6","7","1") = "6"
    & skf21("4","5","5","1","2","7","1","1") = "6"
    & skf21("4","5","5","1","2","7","2","1") = "6"
    & skf21("4","5","5","1","2","7","3","1") = "6"
    & skf21("4","5","5","1","2","7","4","1") = "6"
    & skf21("4","5","5","1","2","7","5","1") = "6"
    & skf21("4","5","5","1","2","7","6","1") = "6"
    & skf21("4","5","5","1","2","7","7","1") = "6"
    & skf21("4","5","5","1","3","1","1","1") = "4"
    & skf21("4","5","5","1","3","1","2","1") = "4"
    & skf21("4","5","5","1","3","1","3","1") = "4"
    & skf21("4","5","5","1","3","1","4","1") = "4"
    & skf21("4","5","5","1","3","1","5","1") = "4"
    & skf21("4","5","5","1","3","1","6","1") = "5"
    & skf21("4","5","5","1","3","1","7","1") = "6"
    & skf21("4","5","5","1","3","2","1","1") = "4"
    & skf21("4","5","5","1","3","2","2","1") = "4"
    & skf21("4","5","5","1","3","2","3","1") = "4"
    & skf21("4","5","5","1","3","2","4","1") = "4"
    & skf21("4","5","5","1","3","2","5","1") = "4"
    & skf21("4","5","5","1","3","2","6","1") = "5"
    & skf21("4","5","5","1","3","2","7","1") = "6"
    & skf21("4","5","5","1","3","3","1","1") = "4"
    & skf21("4","5","5","1","3","3","2","1") = "4"
    & skf21("4","5","5","1","3","3","3","1") = "4"
    & skf21("4","5","5","1","3","3","4","1") = "4"
    & skf21("4","5","5","1","3","3","5","1") = "4"
    & skf21("4","5","5","1","3","3","6","1") = "5"
    & skf21("4","5","5","1","3","3","7","1") = "6"
    & skf21("4","5","5","1","3","4","1","1") = "4"
    & skf21("4","5","5","1","3","4","2","1") = "4"
    & skf21("4","5","5","1","3","4","3","1") = "4"
    & skf21("4","5","5","1","3","4","4","1") = "4"
    & skf21("4","5","5","1","3","4","5","1") = "4"
    & skf21("4","5","5","1","3","4","6","1") = "5"
    & skf21("4","5","5","1","3","4","7","1") = "6"
    & skf21("4","5","5","1","3","5","1","1") = "4"
    & skf21("4","5","5","1","3","5","2","1") = "4"
    & skf21("4","5","5","1","3","5","3","1") = "4"
    & skf21("4","5","5","1","3","5","4","1") = "4"
    & skf21("4","5","5","1","3","5","5","1") = "4"
    & skf21("4","5","5","1","3","5","6","1") = "5"
    & skf21("4","5","5","1","3","5","7","1") = "6"
    & skf21("4","5","5","1","3","6","1","1") = "5"
    & skf21("4","5","5","1","3","6","2","1") = "5"
    & skf21("4","5","5","1","3","6","3","1") = "5"
    & skf21("4","5","5","1","3","6","4","1") = "5"
    & skf21("4","5","5","1","3","6","5","1") = "5"
    & skf21("4","5","5","1","3","6","6","1") = "5"
    & skf21("4","5","5","1","3","6","7","1") = "6"
    & skf21("4","5","5","1","3","7","1","1") = "6"
    & skf21("4","5","5","1","3","7","2","1") = "6"
    & skf21("4","5","5","1","3","7","3","1") = "6"
    & skf21("4","5","5","1","3","7","4","1") = "6"
    & skf21("4","5","5","1","3","7","5","1") = "6"
    & skf21("4","5","5","1","3","7","6","1") = "6"
    & skf21("4","5","5","1","3","7","7","1") = "6"
    & skf21("4","5","5","1","4","1","1","1") = "4"
    & skf21("4","5","5","1","4","1","2","1") = "4"
    & skf21("4","5","5","1","4","1","3","1") = "4"
    & skf21("4","5","5","1","4","1","4","1") = "4"
    & skf21("4","5","5","1","4","1","5","1") = "4"
    & skf21("4","5","5","1","4","1","6","1") = "5"
    & skf21("4","5","5","1","4","1","7","1") = "6"
    & skf21("4","5","5","1","4","2","1","1") = "4"
    & skf21("4","5","5","1","4","2","2","1") = "4"
    & skf21("4","5","5","1","4","2","3","1") = "4"
    & skf21("4","5","5","1","4","2","4","1") = "4"
    & skf21("4","5","5","1","4","2","5","1") = "4"
    & skf21("4","5","5","1","4","2","6","1") = "5"
    & skf21("4","5","5","1","4","2","7","1") = "6"
    & skf21("4","5","5","1","4","3","1","1") = "4"
    & skf21("4","5","5","1","4","3","2","1") = "4"
    & skf21("4","5","5","1","4","3","3","1") = "4"
    & skf21("4","5","5","1","4","3","4","1") = "4"
    & skf21("4","5","5","1","4","3","5","1") = "4"
    & skf21("4","5","5","1","4","3","6","1") = "5"
    & skf21("4","5","5","1","4","3","7","1") = "6"
    & skf21("4","5","5","1","4","4","1","1") = "4"
    & skf21("4","5","5","1","4","4","2","1") = "4"
    & skf21("4","5","5","1","4","4","3","1") = "4"
    & skf21("4","5","5","1","4","4","4","1") = "4"
    & skf21("4","5","5","1","4","4","5","1") = "4"
    & skf21("4","5","5","1","4","4","6","1") = "5"
    & skf21("4","5","5","1","4","4","7","1") = "6"
    & skf21("4","5","5","1","4","5","1","1") = "4"
    & skf21("4","5","5","1","4","5","2","1") = "4"
    & skf21("4","5","5","1","4","5","3","1") = "4"
    & skf21("4","5","5","1","4","5","4","1") = "4"
    & skf21("4","5","5","1","4","5","5","1") = "4"
    & skf21("4","5","5","1","4","5","6","1") = "5"
    & skf21("4","5","5","1","4","5","7","1") = "6"
    & skf21("4","5","5","1","4","6","1","1") = "5"
    & skf21("4","5","5","1","4","6","2","1") = "5"
    & skf21("4","5","5","1","4","6","3","1") = "5"
    & skf21("4","5","5","1","4","6","4","1") = "5"
    & skf21("4","5","5","1","4","6","5","1") = "5"
    & skf21("4","5","5","1","4","6","6","1") = "5"
    & skf21("4","5","5","1","4","6","7","1") = "6"
    & skf21("4","5","5","1","4","7","1","1") = "6"
    & skf21("4","5","5","1","4","7","2","1") = "6"
    & skf21("4","5","5","1","4","7","3","1") = "6"
    & skf21("4","5","5","1","4","7","4","1") = "6"
    & skf21("4","5","5","1","4","7","5","1") = "6"
    & skf21("4","5","5","1","4","7","6","1") = "6"
    & skf21("4","5","5","1","4","7","7","1") = "6"
    & skf21("4","5","5","1","5","1","1","1") = "4"
    & skf21("4","5","5","1","5","1","2","1") = "4"
    & skf21("4","5","5","1","5","1","3","1") = "4"
    & skf21("4","5","5","1","5","1","4","1") = "4"
    & skf21("4","5","5","1","5","1","5","1") = "4"
    & skf21("4","5","5","1","5","1","6","1") = "5"
    & skf21("4","5","5","1","5","1","7","1") = "6"
    & skf21("4","5","5","1","5","2","1","1") = "4"
    & skf21("4","5","5","1","5","2","2","1") = "4"
    & skf21("4","5","5","1","5","2","3","1") = "4"
    & skf21("4","5","5","1","5","2","4","1") = "4"
    & skf21("4","5","5","1","5","2","5","1") = "4"
    & skf21("4","5","5","1","5","2","6","1") = "5"
    & skf21("4","5","5","1","5","2","7","1") = "6"
    & skf21("4","5","5","1","5","3","1","1") = "4"
    & skf21("4","5","5","1","5","3","2","1") = "4"
    & skf21("4","5","5","1","5","3","3","1") = "4"
    & skf21("4","5","5","1","5","3","4","1") = "4"
    & skf21("4","5","5","1","5","3","5","1") = "4"
    & skf21("4","5","5","1","5","3","6","1") = "5"
    & skf21("4","5","5","1","5","3","7","1") = "6"
    & skf21("4","5","5","1","5","4","1","1") = "4"
    & skf21("4","5","5","1","5","4","2","1") = "4"
    & skf21("4","5","5","1","5","4","3","1") = "4"
    & skf21("4","5","5","1","5","4","4","1") = "4"
    & skf21("4","5","5","1","5","4","5","1") = "4"
    & skf21("4","5","5","1","5","4","6","1") = "5"
    & skf21("4","5","5","1","5","4","7","1") = "6"
    & skf21("4","5","5","1","5","5","1","1") = "4"
    & skf21("4","5","5","1","5","5","2","1") = "4"
    & skf21("4","5","5","1","5","5","3","1") = "4"
    & skf21("4","5","5","1","5","5","4","1") = "4"
    & skf21("4","5","5","1","5","5","5","1") = "4"
    & skf21("4","5","5","1","5","5","6","1") = "5"
    & skf21("4","5","5","1","5","5","7","1") = "6"
    & skf21("4","5","5","1","5","6","1","1") = "5"
    & skf21("4","5","5","1","5","6","2","1") = "5"
    & skf21("4","5","5","1","5","6","3","1") = "5"
    & skf21("4","5","5","1","5","6","4","1") = "5"
    & skf21("4","5","5","1","5","6","5","1") = "5"
    & skf21("4","5","5","1","5","6","6","1") = "5"
    & skf21("4","5","5","1","5","6","7","1") = "6"
    & skf21("4","5","5","1","5","7","1","1") = "6"
    & skf21("4","5","5","1","5","7","2","1") = "6"
    & skf21("4","5","5","1","5","7","3","1") = "6"
    & skf21("4","5","5","1","5","7","4","1") = "6"
    & skf21("4","5","5","1","5","7","5","1") = "6"
    & skf21("4","5","5","1","5","7","6","1") = "6"
    & skf21("4","5","5","1","5","7","7","1") = "6"
    & skf21("4","5","5","1","6","1","1","1") = "5"
    & skf21("4","5","5","1","6","1","2","1") = "5"
    & skf21("4","5","5","1","6","1","3","1") = "5"
    & skf21("4","5","5","1","6","1","4","1") = "5"
    & skf21("4","5","5","1","6","1","5","1") = "5"
    & skf21("4","5","5","1","6","1","6","1") = "5"
    & skf21("4","5","5","1","6","1","7","1") = "6"
    & skf21("4","5","5","1","6","2","1","1") = "5"
    & skf21("4","5","5","1","6","2","2","1") = "5"
    & skf21("4","5","5","1","6","2","3","1") = "5"
    & skf21("4","5","5","1","6","2","4","1") = "5"
    & skf21("4","5","5","1","6","2","5","1") = "5"
    & skf21("4","5","5","1","6","2","6","1") = "5"
    & skf21("4","5","5","1","6","2","7","1") = "6"
    & skf21("4","5","5","1","6","3","1","1") = "5"
    & skf21("4","5","5","1","6","3","2","1") = "5"
    & skf21("4","5","5","1","6","3","3","1") = "5"
    & skf21("4","5","5","1","6","3","4","1") = "5"
    & skf21("4","5","5","1","6","3","5","1") = "5"
    & skf21("4","5","5","1","6","3","6","1") = "5"
    & skf21("4","5","5","1","6","3","7","1") = "6"
    & skf21("4","5","5","1","6","4","1","1") = "5"
    & skf21("4","5","5","1","6","4","2","1") = "5"
    & skf21("4","5","5","1","6","4","3","1") = "5"
    & skf21("4","5","5","1","6","4","4","1") = "5"
    & skf21("4","5","5","1","6","4","5","1") = "5"
    & skf21("4","5","5","1","6","4","6","1") = "5"
    & skf21("4","5","5","1","6","4","7","1") = "6"
    & skf21("4","5","5","1","6","5","1","1") = "5"
    & skf21("4","5","5","1","6","5","2","1") = "5"
    & skf21("4","5","5","1","6","5","3","1") = "5"
    & skf21("4","5","5","1","6","5","4","1") = "5"
    & skf21("4","5","5","1","6","5","5","1") = "5"
    & skf21("4","5","5","1","6","5","6","1") = "5"
    & skf21("4","5","5","1","6","5","7","1") = "6"
    & skf21("4","5","5","1","6","6","1","1") = "5"
    & skf21("4","5","5","1","6","6","2","1") = "5"
    & skf21("4","5","5","1","6","6","3","1") = "5"
    & skf21("4","5","5","1","6","6","4","1") = "5"
    & skf21("4","5","5","1","6","6","5","1") = "5"
    & skf21("4","5","5","1","6","6","6","1") = "5"
    & skf21("4","5","5","1","6","6","7","1") = "6"
    & skf21("4","5","5","1","6","7","1","1") = "6"
    & skf21("4","5","5","1","6","7","2","1") = "6"
    & skf21("4","5","5","1","6","7","3","1") = "6"
    & skf21("4","5","5","1","6","7","4","1") = "6"
    & skf21("4","5","5","1","6","7","5","1") = "6"
    & skf21("4","5","5","1","6","7","6","1") = "6"
    & skf21("4","5","5","1","6","7","7","1") = "6"
    & skf21("4","5","5","1","7","1","1","1") = "6"
    & skf21("4","5","5","1","7","1","2","1") = "6"
    & skf21("4","5","5","1","7","1","3","1") = "6"
    & skf21("4","5","5","1","7","1","4","1") = "6"
    & skf21("4","5","5","1","7","1","5","1") = "6"
    & skf21("4","5","5","1","7","1","6","1") = "6"
    & skf21("4","5","5","1","7","1","7","1") = "6"
    & skf21("4","5","5","1","7","2","1","1") = "6"
    & skf21("4","5","5","1","7","2","2","1") = "6"
    & skf21("4","5","5","1","7","2","3","1") = "6"
    & skf21("4","5","5","1","7","2","4","1") = "6"
    & skf21("4","5","5","1","7","2","5","1") = "6"
    & skf21("4","5","5","1","7","2","6","1") = "6"
    & skf21("4","5","5","1","7","2","7","1") = "6"
    & skf21("4","5","5","1","7","3","1","1") = "6"
    & skf21("4","5","5","1","7","3","2","1") = "6"
    & skf21("4","5","5","1","7","3","3","1") = "6"
    & skf21("4","5","5","1","7","3","4","1") = "6"
    & skf21("4","5","5","1","7","3","5","1") = "6"
    & skf21("4","5","5","1","7","3","6","1") = "6"
    & skf21("4","5","5","1","7","3","7","1") = "6"
    & skf21("4","5","5","1","7","4","1","1") = "6"
    & skf21("4","5","5","1","7","4","2","1") = "6"
    & skf21("4","5","5","1","7","4","3","1") = "6"
    & skf21("4","5","5","1","7","4","4","1") = "6"
    & skf21("4","5","5","1","7","4","5","1") = "6"
    & skf21("4","5","5","1","7","4","6","1") = "6"
    & skf21("4","5","5","1","7","4","7","1") = "6"
    & skf21("4","5","5","1","7","5","1","1") = "6"
    & skf21("4","5","5","1","7","5","2","1") = "6"
    & skf21("4","5","5","1","7","5","3","1") = "6"
    & skf21("4","5","5","1","7","5","4","1") = "6"
    & skf21("4","5","5","1","7","5","5","1") = "6"
    & skf21("4","5","5","1","7","5","6","1") = "6"
    & skf21("4","5","5","1","7","5","7","1") = "6"
    & skf21("4","5","5","1","7","6","1","1") = "6"
    & skf21("4","5","5","1","7","6","2","1") = "6"
    & skf21("4","5","5","1","7","6","3","1") = "6"
    & skf21("4","5","5","1","7","6","4","1") = "6"
    & skf21("4","5","5","1","7","6","5","1") = "6"
    & skf21("4","5","5","1","7","6","6","1") = "6"
    & skf21("4","5","5","1","7","6","7","1") = "6"
    & skf21("4","5","5","1","7","7","1","1") = "6"
    & skf21("4","5","5","1","7","7","2","1") = "6"
    & skf21("4","5","5","1","7","7","3","1") = "6"
    & skf21("4","5","5","1","7","7","4","1") = "6"
    & skf21("4","5","5","1","7","7","5","1") = "6"
    & skf21("4","5","5","1","7","7","6","1") = "6"
    & skf21("4","5","5","1","7","7","7","1") = "6"
    & skf21("4","5","5","2","1","1","1","1") = "4"
    & skf21("4","5","5","2","1","1","2","1") = "4"
    & skf21("4","5","5","2","1","1","3","1") = "4"
    & skf21("4","5","5","2","1","1","4","1") = "4"
    & skf21("4","5","5","2","1","1","5","1") = "4"
    & skf21("4","5","5","2","1","1","6","1") = "5"
    & skf21("4","5","5","2","1","1","7","1") = "6"
    & skf21("4","5","5","2","1","2","1","1") = "4"
    & skf21("4","5","5","2","1","2","2","1") = "4"
    & skf21("4","5","5","2","1","2","3","1") = "4"
    & skf21("4","5","5","2","1","2","4","1") = "4"
    & skf21("4","5","5","2","1","2","5","1") = "4"
    & skf21("4","5","5","2","1","2","6","1") = "5"
    & skf21("4","5","5","2","1","2","7","1") = "6"
    & skf21("4","5","5","2","1","3","1","1") = "4"
    & skf21("4","5","5","2","1","3","2","1") = "4"
    & skf21("4","5","5","2","1","3","3","1") = "4"
    & skf21("4","5","5","2","1","3","4","1") = "4"
    & skf21("4","5","5","2","1","3","5","1") = "4"
    & skf21("4","5","5","2","1","3","6","1") = "5"
    & skf21("4","5","5","2","1","3","7","1") = "6"
    & skf21("4","5","5","2","1","4","1","1") = "4"
    & skf21("4","5","5","2","1","4","2","1") = "4"
    & skf21("4","5","5","2","1","4","3","1") = "4"
    & skf21("4","5","5","2","1","4","4","1") = "4"
    & skf21("4","5","5","2","1","4","5","1") = "4"
    & skf21("4","5","5","2","1","4","6","1") = "5"
    & skf21("4","5","5","2","1","4","7","1") = "6"
    & skf21("4","5","5","2","1","5","1","1") = "4"
    & skf21("4","5","5","2","1","5","2","1") = "4"
    & skf21("4","5","5","2","1","5","3","1") = "4"
    & skf21("4","5","5","2","1","5","4","1") = "4"
    & skf21("4","5","5","2","1","5","5","1") = "4"
    & skf21("4","5","5","2","1","5","6","1") = "5"
    & skf21("4","5","5","2","1","5","7","1") = "6"
    & skf21("4","5","5","2","1","6","1","1") = "5"
    & skf21("4","5","5","2","1","6","2","1") = "5"
    & skf21("4","5","5","2","1","6","3","1") = "5"
    & skf21("4","5","5","2","1","6","4","1") = "5"
    & skf21("4","5","5","2","1","6","5","1") = "5"
    & skf21("4","5","5","2","1","6","6","1") = "5"
    & skf21("4","5","5","2","1","6","7","1") = "6"
    & skf21("4","5","5","2","1","7","1","1") = "6"
    & skf21("4","5","5","2","1","7","2","1") = "6"
    & skf21("4","5","5","2","1","7","3","1") = "6"
    & skf21("4","5","5","2","1","7","4","1") = "6"
    & skf21("4","5","5","2","1","7","5","1") = "6"
    & skf21("4","5","5","2","1","7","6","1") = "6"
    & skf21("4","5","5","2","1","7","7","1") = "6"
    & skf21("4","5","5","2","2","1","1","1") = "4"
    & skf21("4","5","5","2","2","1","2","1") = "4"
    & skf21("4","5","5","2","2","1","3","1") = "4"
    & skf21("4","5","5","2","2","1","4","1") = "4"
    & skf21("4","5","5","2","2","1","5","1") = "4"
    & skf21("4","5","5","2","2","1","6","1") = "5"
    & skf21("4","5","5","2","2","1","7","1") = "6"
    & skf21("4","5","5","2","2","2","1","1") = "4"
    & skf21("4","5","5","2","2","2","2","1") = "4"
    & skf21("4","5","5","2","2","2","3","1") = "4"
    & skf21("4","5","5","2","2","2","4","1") = "4"
    & skf21("4","5","5","2","2","2","5","1") = "4"
    & skf21("4","5","5","2","2","2","6","1") = "5"
    & skf21("4","5","5","2","2","2","7","1") = "6"
    & skf21("4","5","5","2","2","3","1","1") = "4"
    & skf21("4","5","5","2","2","3","2","1") = "4"
    & skf21("4","5","5","2","2","3","3","1") = "4"
    & skf21("4","5","5","2","2","3","4","1") = "4"
    & skf21("4","5","5","2","2","3","5","1") = "4"
    & skf21("4","5","5","2","2","3","6","1") = "5"
    & skf21("4","5","5","2","2","3","7","1") = "6"
    & skf21("4","5","5","2","2","4","1","1") = "4"
    & skf21("4","5","5","2","2","4","2","1") = "4"
    & skf21("4","5","5","2","2","4","3","1") = "4"
    & skf21("4","5","5","2","2","4","4","1") = "4"
    & skf21("4","5","5","2","2","4","5","1") = "4"
    & skf21("4","5","5","2","2","4","6","1") = "5"
    & skf21("4","5","5","2","2","4","7","1") = "6"
    & skf21("4","5","5","2","2","5","1","1") = "4"
    & skf21("4","5","5","2","2","5","2","1") = "4"
    & skf21("4","5","5","2","2","5","3","1") = "4"
    & skf21("4","5","5","2","2","5","4","1") = "4"
    & skf21("4","5","5","2","2","5","5","1") = "4"
    & skf21("4","5","5","2","2","5","6","1") = "5"
    & skf21("4","5","5","2","2","5","7","1") = "6"
    & skf21("4","5","5","2","2","6","1","1") = "5"
    & skf21("4","5","5","2","2","6","2","1") = "5"
    & skf21("4","5","5","2","2","6","3","1") = "5"
    & skf21("4","5","5","2","2","6","4","1") = "5"
    & skf21("4","5","5","2","2","6","5","1") = "5"
    & skf21("4","5","5","2","2","6","6","1") = "5"
    & skf21("4","5","5","2","2","6","7","1") = "6"
    & skf21("4","5","5","2","2","7","1","1") = "6"
    & skf21("4","5","5","2","2","7","2","1") = "6"
    & skf21("4","5","5","2","2","7","3","1") = "6"
    & skf21("4","5","5","2","2","7","4","1") = "6"
    & skf21("4","5","5","2","2","7","5","1") = "6"
    & skf21("4","5","5","2","2","7","6","1") = "6"
    & skf21("4","5","5","2","2","7","7","1") = "6"
    & skf21("4","5","5","2","3","1","1","1") = "4"
    & skf21("4","5","5","2","3","1","2","1") = "4"
    & skf21("4","5","5","2","3","1","3","1") = "4"
    & skf21("4","5","5","2","3","1","4","1") = "4"
    & skf21("4","5","5","2","3","1","5","1") = "4"
    & skf21("4","5","5","2","3","1","6","1") = "5"
    & skf21("4","5","5","2","3","1","7","1") = "6"
    & skf21("4","5","5","2","3","2","1","1") = "4"
    & skf21("4","5","5","2","3","2","2","1") = "4"
    & skf21("4","5","5","2","3","2","3","1") = "4"
    & skf21("4","5","5","2","3","2","4","1") = "4"
    & skf21("4","5","5","2","3","2","5","1") = "4"
    & skf21("4","5","5","2","3","2","6","1") = "5"
    & skf21("4","5","5","2","3","2","7","1") = "6"
    & skf21("4","5","5","2","3","3","1","1") = "4"
    & skf21("4","5","5","2","3","3","2","1") = "4"
    & skf21("4","5","5","2","3","3","3","1") = "4"
    & skf21("4","5","5","2","3","3","4","1") = "4"
    & skf21("4","5","5","2","3","3","5","1") = "4"
    & skf21("4","5","5","2","3","3","6","1") = "5"
    & skf21("4","5","5","2","3","3","7","1") = "6"
    & skf21("4","5","5","2","3","4","1","1") = "4"
    & skf21("4","5","5","2","3","4","2","1") = "4"
    & skf21("4","5","5","2","3","4","3","1") = "4"
    & skf21("4","5","5","2","3","4","4","1") = "4"
    & skf21("4","5","5","2","3","4","5","1") = "4"
    & skf21("4","5","5","2","3","4","6","1") = "5"
    & skf21("4","5","5","2","3","4","7","1") = "6"
    & skf21("4","5","5","2","3","5","1","1") = "4"
    & skf21("4","5","5","2","3","5","2","1") = "4"
    & skf21("4","5","5","2","3","5","3","1") = "4"
    & skf21("4","5","5","2","3","5","4","1") = "4"
    & skf21("4","5","5","2","3","5","5","1") = "4"
    & skf21("4","5","5","2","3","5","6","1") = "5"
    & skf21("4","5","5","2","3","5","7","1") = "6"
    & skf21("4","5","5","2","3","6","1","1") = "5"
    & skf21("4","5","5","2","3","6","2","1") = "5"
    & skf21("4","5","5","2","3","6","3","1") = "5"
    & skf21("4","5","5","2","3","6","4","1") = "5"
    & skf21("4","5","5","2","3","6","5","1") = "5"
    & skf21("4","5","5","2","3","6","6","1") = "5"
    & skf21("4","5","5","2","3","6","7","1") = "6"
    & skf21("4","5","5","2","3","7","1","1") = "6"
    & skf21("4","5","5","2","3","7","2","1") = "6"
    & skf21("4","5","5","2","3","7","3","1") = "6"
    & skf21("4","5","5","2","3","7","4","1") = "6"
    & skf21("4","5","5","2","3","7","5","1") = "6"
    & skf21("4","5","5","2","3","7","6","1") = "6"
    & skf21("4","5","5","2","3","7","7","1") = "6"
    & skf21("4","5","5","2","4","1","1","1") = "4"
    & skf21("4","5","5","2","4","1","2","1") = "4"
    & skf21("4","5","5","2","4","1","3","1") = "4"
    & skf21("4","5","5","2","4","1","4","1") = "4"
    & skf21("4","5","5","2","4","1","5","1") = "4"
    & skf21("4","5","5","2","4","1","6","1") = "5"
    & skf21("4","5","5","2","4","1","7","1") = "6"
    & skf21("4","5","5","2","4","2","1","1") = "4"
    & skf21("4","5","5","2","4","2","2","1") = "4"
    & skf21("4","5","5","2","4","2","3","1") = "4"
    & skf21("4","5","5","2","4","2","4","1") = "4"
    & skf21("4","5","5","2","4","2","5","1") = "4"
    & skf21("4","5","5","2","4","2","6","1") = "5"
    & skf21("4","5","5","2","4","2","7","1") = "6"
    & skf21("4","5","5","2","4","3","1","1") = "4"
    & skf21("4","5","5","2","4","3","2","1") = "4"
    & skf21("4","5","5","2","4","3","3","1") = "4"
    & skf21("4","5","5","2","4","3","4","1") = "4"
    & skf21("4","5","5","2","4","3","5","1") = "4"
    & skf21("4","5","5","2","4","3","6","1") = "5"
    & skf21("4","5","5","2","4","3","7","1") = "6"
    & skf21("4","5","5","2","4","4","1","1") = "4"
    & skf21("4","5","5","2","4","4","2","1") = "4"
    & skf21("4","5","5","2","4","4","3","1") = "4"
    & skf21("4","5","5","2","4","4","4","1") = "4"
    & skf21("4","5","5","2","4","4","5","1") = "4"
    & skf21("4","5","5","2","4","4","6","1") = "5"
    & skf21("4","5","5","2","4","4","7","1") = "6"
    & skf21("4","5","5","2","4","5","1","1") = "4"
    & skf21("4","5","5","2","4","5","2","1") = "4"
    & skf21("4","5","5","2","4","5","3","1") = "4"
    & skf21("4","5","5","2","4","5","4","1") = "4"
    & skf21("4","5","5","2","4","5","5","1") = "4"
    & skf21("4","5","5","2","4","5","6","1") = "5"
    & skf21("4","5","5","2","4","5","7","1") = "6"
    & skf21("4","5","5","2","4","6","1","1") = "5"
    & skf21("4","5","5","2","4","6","2","1") = "5"
    & skf21("4","5","5","2","4","6","3","1") = "5"
    & skf21("4","5","5","2","4","6","4","1") = "5"
    & skf21("4","5","5","2","4","6","5","1") = "5"
    & skf21("4","5","5","2","4","6","6","1") = "5"
    & skf21("4","5","5","2","4","6","7","1") = "6"
    & skf21("4","5","5","2","4","7","1","1") = "6"
    & skf21("4","5","5","2","4","7","2","1") = "6"
    & skf21("4","5","5","2","4","7","3","1") = "6"
    & skf21("4","5","5","2","4","7","4","1") = "6"
    & skf21("4","5","5","2","4","7","5","1") = "6"
    & skf21("4","5","5","2","4","7","6","1") = "6"
    & skf21("4","5","5","2","4","7","7","1") = "6"
    & skf21("4","5","5","2","5","1","1","1") = "4"
    & skf21("4","5","5","2","5","1","2","1") = "4"
    & skf21("4","5","5","2","5","1","3","1") = "4"
    & skf21("4","5","5","2","5","1","4","1") = "4"
    & skf21("4","5","5","2","5","1","5","1") = "4"
    & skf21("4","5","5","2","5","1","6","1") = "5"
    & skf21("4","5","5","2","5","1","7","1") = "6"
    & skf21("4","5","5","2","5","2","1","1") = "4"
    & skf21("4","5","5","2","5","2","2","1") = "4"
    & skf21("4","5","5","2","5","2","3","1") = "4"
    & skf21("4","5","5","2","5","2","4","1") = "4"
    & skf21("4","5","5","2","5","2","5","1") = "4"
    & skf21("4","5","5","2","5","2","6","1") = "5"
    & skf21("4","5","5","2","5","2","7","1") = "6"
    & skf21("4","5","5","2","5","3","1","1") = "4"
    & skf21("4","5","5","2","5","3","2","1") = "4"
    & skf21("4","5","5","2","5","3","3","1") = "4"
    & skf21("4","5","5","2","5","3","4","1") = "4"
    & skf21("4","5","5","2","5","3","5","1") = "4"
    & skf21("4","5","5","2","5","3","6","1") = "5"
    & skf21("4","5","5","2","5","3","7","1") = "6"
    & skf21("4","5","5","2","5","4","1","1") = "4"
    & skf21("4","5","5","2","5","4","2","1") = "4"
    & skf21("4","5","5","2","5","4","3","1") = "4"
    & skf21("4","5","5","2","5","4","4","1") = "4"
    & skf21("4","5","5","2","5","4","5","1") = "4"
    & skf21("4","5","5","2","5","4","6","1") = "5"
    & skf21("4","5","5","2","5","4","7","1") = "6"
    & skf21("4","5","5","2","5","5","1","1") = "4"
    & skf21("4","5","5","2","5","5","2","1") = "4"
    & skf21("4","5","5","2","5","5","3","1") = "4"
    & skf21("4","5","5","2","5","5","4","1") = "4"
    & skf21("4","5","5","2","5","5","5","1") = "4"
    & skf21("4","5","5","2","5","5","6","1") = "5"
    & skf21("4","5","5","2","5","5","7","1") = "6"
    & skf21("4","5","5","2","5","6","1","1") = "5"
    & skf21("4","5","5","2","5","6","2","1") = "5"
    & skf21("4","5","5","2","5","6","3","1") = "5"
    & skf21("4","5","5","2","5","6","4","1") = "5"
    & skf21("4","5","5","2","5","6","5","1") = "5"
    & skf21("4","5","5","2","5","6","6","1") = "5"
    & skf21("4","5","5","2","5","6","7","1") = "6"
    & skf21("4","5","5","2","5","7","1","1") = "6"
    & skf21("4","5","5","2","5","7","2","1") = "6"
    & skf21("4","5","5","2","5","7","3","1") = "6"
    & skf21("4","5","5","2","5","7","4","1") = "6"
    & skf21("4","5","5","2","5","7","5","1") = "6"
    & skf21("4","5","5","2","5","7","6","1") = "6"
    & skf21("4","5","5","2","5","7","7","1") = "6"
    & skf21("4","5","5","2","6","1","1","1") = "5"
    & skf21("4","5","5","2","6","1","2","1") = "5"
    & skf21("4","5","5","2","6","1","3","1") = "5"
    & skf21("4","5","5","2","6","1","4","1") = "5"
    & skf21("4","5","5","2","6","1","5","1") = "5"
    & skf21("4","5","5","2","6","1","6","1") = "5"
    & skf21("4","5","5","2","6","1","7","1") = "6"
    & skf21("4","5","5","2","6","2","1","1") = "5"
    & skf21("4","5","5","2","6","2","2","1") = "5"
    & skf21("4","5","5","2","6","2","3","1") = "5"
    & skf21("4","5","5","2","6","2","4","1") = "5"
    & skf21("4","5","5","2","6","2","5","1") = "5"
    & skf21("4","5","5","2","6","2","6","1") = "5"
    & skf21("4","5","5","2","6","2","7","1") = "6"
    & skf21("4","5","5","2","6","3","1","1") = "5"
    & skf21("4","5","5","2","6","3","2","1") = "5"
    & skf21("4","5","5","2","6","3","3","1") = "5"
    & skf21("4","5","5","2","6","3","4","1") = "5"
    & skf21("4","5","5","2","6","3","5","1") = "5"
    & skf21("4","5","5","2","6","3","6","1") = "5"
    & skf21("4","5","5","2","6","3","7","1") = "6"
    & skf21("4","5","5","2","6","4","1","1") = "5"
    & skf21("4","5","5","2","6","4","2","1") = "5"
    & skf21("4","5","5","2","6","4","3","1") = "5"
    & skf21("4","5","5","2","6","4","4","1") = "5"
    & skf21("4","5","5","2","6","4","5","1") = "5"
    & skf21("4","5","5","2","6","4","6","1") = "5"
    & skf21("4","5","5","2","6","4","7","1") = "6"
    & skf21("4","5","5","2","6","5","1","1") = "5"
    & skf21("4","5","5","2","6","5","2","1") = "5"
    & skf21("4","5","5","2","6","5","3","1") = "5"
    & skf21("4","5","5","2","6","5","4","1") = "5"
    & skf21("4","5","5","2","6","5","5","1") = "5"
    & skf21("4","5","5","2","6","5","6","1") = "5"
    & skf21("4","5","5","2","6","5","7","1") = "6"
    & skf21("4","5","5","2","6","6","1","1") = "5"
    & skf21("4","5","5","2","6","6","2","1") = "5"
    & skf21("4","5","5","2","6","6","3","1") = "5"
    & skf21("4","5","5","2","6","6","4","1") = "5"
    & skf21("4","5","5","2","6","6","5","1") = "5"
    & skf21("4","5","5","2","6","6","6","1") = "5"
    & skf21("4","5","5","2","6","6","7","1") = "6"
    & skf21("4","5","5","2","6","7","1","1") = "6"
    & skf21("4","5","5","2","6","7","2","1") = "6"
    & skf21("4","5","5","2","6","7","3","1") = "6"
    & skf21("4","5","5","2","6","7","4","1") = "6"
    & skf21("4","5","5","2","6","7","5","1") = "6"
    & skf21("4","5","5","2","6","7","6","1") = "6"
    & skf21("4","5","5","2","6","7","7","1") = "6"
    & skf21("4","5","5","2","7","1","1","1") = "6"
    & skf21("4","5","5","2","7","1","2","1") = "6"
    & skf21("4","5","5","2","7","1","3","1") = "6"
    & skf21("4","5","5","2","7","1","4","1") = "6"
    & skf21("4","5","5","2","7","1","5","1") = "6"
    & skf21("4","5","5","2","7","1","6","1") = "6"
    & skf21("4","5","5","2","7","1","7","1") = "6"
    & skf21("4","5","5","2","7","2","1","1") = "6"
    & skf21("4","5","5","2","7","2","2","1") = "6"
    & skf21("4","5","5","2","7","2","3","1") = "6"
    & skf21("4","5","5","2","7","2","4","1") = "6"
    & skf21("4","5","5","2","7","2","5","1") = "6"
    & skf21("4","5","5","2","7","2","6","1") = "6"
    & skf21("4","5","5","2","7","2","7","1") = "6"
    & skf21("4","5","5","2","7","3","1","1") = "6"
    & skf21("4","5","5","2","7","3","2","1") = "6"
    & skf21("4","5","5","2","7","3","3","1") = "6"
    & skf21("4","5","5","2","7","3","4","1") = "6"
    & skf21("4","5","5","2","7","3","5","1") = "6"
    & skf21("4","5","5","2","7","3","6","1") = "6"
    & skf21("4","5","5","2","7","3","7","1") = "6"
    & skf21("4","5","5","2","7","4","1","1") = "6"
    & skf21("4","5","5","2","7","4","2","1") = "6"
    & skf21("4","5","5","2","7","4","3","1") = "6"
    & skf21("4","5","5","2","7","4","4","1") = "6"
    & skf21("4","5","5","2","7","4","5","1") = "6"
    & skf21("4","5","5","2","7","4","6","1") = "6"
    & skf21("4","5","5","2","7","4","7","1") = "6"
    & skf21("4","5","5","2","7","5","1","1") = "6"
    & skf21("4","5","5","2","7","5","2","1") = "6"
    & skf21("4","5","5","2","7","5","3","1") = "6"
    & skf21("4","5","5","2","7","5","4","1") = "6"
    & skf21("4","5","5","2","7","5","5","1") = "6"
    & skf21("4","5","5","2","7","5","6","1") = "6"
    & skf21("4","5","5","2","7","5","7","1") = "6"
    & skf21("4","5","5","2","7","6","1","1") = "6"
    & skf21("4","5","5","2","7","6","2","1") = "6"
    & skf21("4","5","5","2","7","6","3","1") = "6"
    & skf21("4","5","5","2","7","6","4","1") = "6"
    & skf21("4","5","5","2","7","6","5","1") = "6"
    & skf21("4","5","5","2","7","6","6","1") = "6"
    & skf21("4","5","5","2","7","6","7","1") = "6"
    & skf21("4","5","5","2","7","7","1","1") = "6"
    & skf21("4","5","5","2","7","7","2","1") = "6"
    & skf21("4","5","5","2","7","7","3","1") = "6"
    & skf21("4","5","5","2","7","7","4","1") = "6"
    & skf21("4","5","5","2","7","7","5","1") = "6"
    & skf21("4","5","5","2","7","7","6","1") = "6"
    & skf21("4","5","5","2","7","7","7","1") = "6"
    & skf21("4","5","5","3","1","1","1","1") = "4"
    & skf21("4","5","5","3","1","1","2","1") = "4"
    & skf21("4","5","5","3","1","1","3","1") = "4"
    & skf21("4","5","5","3","1","1","4","1") = "4"
    & skf21("4","5","5","3","1","1","5","1") = "4"
    & skf21("4","5","5","3","1","1","6","1") = "5"
    & skf21("4","5","5","3","1","1","7","1") = "6"
    & skf21("4","5","5","3","1","2","1","1") = "4"
    & skf21("4","5","5","3","1","2","2","1") = "4"
    & skf21("4","5","5","3","1","2","3","1") = "4"
    & skf21("4","5","5","3","1","2","4","1") = "4"
    & skf21("4","5","5","3","1","2","5","1") = "4"
    & skf21("4","5","5","3","1","2","6","1") = "5"
    & skf21("4","5","5","3","1","2","7","1") = "6"
    & skf21("4","5","5","3","1","3","1","1") = "4"
    & skf21("4","5","5","3","1","3","2","1") = "4"
    & skf21("4","5","5","3","1","3","3","1") = "4"
    & skf21("4","5","5","3","1","3","4","1") = "4"
    & skf21("4","5","5","3","1","3","5","1") = "4"
    & skf21("4","5","5","3","1","3","6","1") = "5"
    & skf21("4","5","5","3","1","3","7","1") = "6"
    & skf21("4","5","5","3","1","4","1","1") = "4"
    & skf21("4","5","5","3","1","4","2","1") = "4"
    & skf21("4","5","5","3","1","4","3","1") = "4"
    & skf21("4","5","5","3","1","4","4","1") = "4"
    & skf21("4","5","5","3","1","4","5","1") = "4"
    & skf21("4","5","5","3","1","4","6","1") = "5"
    & skf21("4","5","5","3","1","4","7","1") = "6"
    & skf21("4","5","5","3","1","5","1","1") = "4"
    & skf21("4","5","5","3","1","5","2","1") = "4"
    & skf21("4","5","5","3","1","5","3","1") = "4"
    & skf21("4","5","5","3","1","5","4","1") = "4"
    & skf21("4","5","5","3","1","5","5","1") = "4"
    & skf21("4","5","5","3","1","5","6","1") = "5"
    & skf21("4","5","5","3","1","5","7","1") = "6"
    & skf21("4","5","5","3","1","6","1","1") = "5"
    & skf21("4","5","5","3","1","6","2","1") = "5"
    & skf21("4","5","5","3","1","6","3","1") = "5"
    & skf21("4","5","5","3","1","6","4","1") = "5"
    & skf21("4","5","5","3","1","6","5","1") = "5"
    & skf21("4","5","5","3","1","6","6","1") = "5"
    & skf21("4","5","5","3","1","6","7","1") = "6"
    & skf21("4","5","5","3","1","7","1","1") = "6"
    & skf21("4","5","5","3","1","7","2","1") = "6"
    & skf21("4","5","5","3","1","7","3","1") = "6"
    & skf21("4","5","5","3","1","7","4","1") = "6"
    & skf21("4","5","5","3","1","7","5","1") = "6"
    & skf21("4","5","5","3","1","7","6","1") = "6"
    & skf21("4","5","5","3","1","7","7","1") = "6"
    & skf21("4","5","5","3","2","1","1","1") = "4"
    & skf21("4","5","5","3","2","1","2","1") = "4"
    & skf21("4","5","5","3","2","1","3","1") = "4"
    & skf21("4","5","5","3","2","1","4","1") = "4"
    & skf21("4","5","5","3","2","1","5","1") = "4"
    & skf21("4","5","5","3","2","1","6","1") = "5"
    & skf21("4","5","5","3","2","1","7","1") = "6"
    & skf21("4","5","5","3","2","2","1","1") = "4"
    & skf21("4","5","5","3","2","2","2","1") = "4"
    & skf21("4","5","5","3","2","2","3","1") = "4"
    & skf21("4","5","5","3","2","2","4","1") = "4"
    & skf21("4","5","5","3","2","2","5","1") = "4"
    & skf21("4","5","5","3","2","2","6","1") = "5"
    & skf21("4","5","5","3","2","2","7","1") = "6"
    & skf21("4","5","5","3","2","3","1","1") = "4"
    & skf21("4","5","5","3","2","3","2","1") = "4"
    & skf21("4","5","5","3","2","3","3","1") = "4"
    & skf21("4","5","5","3","2","3","4","1") = "4"
    & skf21("4","5","5","3","2","3","5","1") = "4"
    & skf21("4","5","5","3","2","3","6","1") = "5"
    & skf21("4","5","5","3","2","3","7","1") = "6"
    & skf21("4","5","5","3","2","4","1","1") = "4"
    & skf21("4","5","5","3","2","4","2","1") = "4"
    & skf21("4","5","5","3","2","4","3","1") = "4"
    & skf21("4","5","5","3","2","4","4","1") = "4"
    & skf21("4","5","5","3","2","4","5","1") = "4"
    & skf21("4","5","5","3","2","4","6","1") = "5"
    & skf21("4","5","5","3","2","4","7","1") = "6"
    & skf21("4","5","5","3","2","5","1","1") = "4"
    & skf21("4","5","5","3","2","5","2","1") = "4"
    & skf21("4","5","5","3","2","5","3","1") = "4"
    & skf21("4","5","5","3","2","5","4","1") = "4"
    & skf21("4","5","5","3","2","5","5","1") = "4"
    & skf21("4","5","5","3","2","5","6","1") = "5"
    & skf21("4","5","5","3","2","5","7","1") = "6"
    & skf21("4","5","5","3","2","6","1","1") = "5"
    & skf21("4","5","5","3","2","6","2","1") = "5"
    & skf21("4","5","5","3","2","6","3","1") = "5"
    & skf21("4","5","5","3","2","6","4","1") = "5"
    & skf21("4","5","5","3","2","6","5","1") = "5"
    & skf21("4","5","5","3","2","6","6","1") = "5"
    & skf21("4","5","5","3","2","6","7","1") = "6"
    & skf21("4","5","5","3","2","7","1","1") = "6"
    & skf21("4","5","5","3","2","7","2","1") = "6"
    & skf21("4","5","5","3","2","7","3","1") = "6"
    & skf21("4","5","5","3","2","7","4","1") = "6"
    & skf21("4","5","5","3","2","7","5","1") = "6"
    & skf21("4","5","5","3","2","7","6","1") = "6"
    & skf21("4","5","5","3","2","7","7","1") = "6"
    & skf21("4","5","5","3","3","1","1","1") = "4"
    & skf21("4","5","5","3","3","1","2","1") = "4"
    & skf21("4","5","5","3","3","1","3","1") = "4"
    & skf21("4","5","5","3","3","1","4","1") = "4"
    & skf21("4","5","5","3","3","1","5","1") = "4"
    & skf21("4","5","5","3","3","1","6","1") = "5"
    & skf21("4","5","5","3","3","1","7","1") = "6"
    & skf21("4","5","5","3","3","2","1","1") = "4"
    & skf21("4","5","5","3","3","2","2","1") = "4"
    & skf21("4","5","5","3","3","2","3","1") = "4"
    & skf21("4","5","5","3","3","2","4","1") = "4"
    & skf21("4","5","5","3","3","2","5","1") = "4"
    & skf21("4","5","5","3","3","2","6","1") = "5"
    & skf21("4","5","5","3","3","2","7","1") = "6"
    & skf21("4","5","5","3","3","3","1","1") = "4"
    & skf21("4","5","5","3","3","3","2","1") = "4"
    & skf21("4","5","5","3","3","3","3","1") = "4"
    & skf21("4","5","5","3","3","3","4","1") = "4"
    & skf21("4","5","5","3","3","3","5","1") = "4"
    & skf21("4","5","5","3","3","3","6","1") = "5"
    & skf21("4","5","5","3","3","3","7","1") = "6"
    & skf21("4","5","5","3","3","4","1","1") = "4"
    & skf21("4","5","5","3","3","4","2","1") = "4"
    & skf21("4","5","5","3","3","4","3","1") = "4"
    & skf21("4","5","5","3","3","4","4","1") = "4"
    & skf21("4","5","5","3","3","4","5","1") = "4"
    & skf21("4","5","5","3","3","4","6","1") = "5"
    & skf21("4","5","5","3","3","4","7","1") = "6"
    & skf21("4","5","5","3","3","5","1","1") = "4"
    & skf21("4","5","5","3","3","5","2","1") = "4"
    & skf21("4","5","5","3","3","5","3","1") = "4"
    & skf21("4","5","5","3","3","5","4","1") = "4"
    & skf21("4","5","5","3","3","5","5","1") = "4"
    & skf21("4","5","5","3","3","5","6","1") = "5"
    & skf21("4","5","5","3","3","5","7","1") = "6"
    & skf21("4","5","5","3","3","6","1","1") = "5"
    & skf21("4","5","5","3","3","6","2","1") = "5"
    & skf21("4","5","5","3","3","6","3","1") = "5"
    & skf21("4","5","5","3","3","6","4","1") = "5"
    & skf21("4","5","5","3","3","6","5","1") = "5"
    & skf21("4","5","5","3","3","6","6","1") = "5"
    & skf21("4","5","5","3","3","6","7","1") = "6"
    & skf21("4","5","5","3","3","7","1","1") = "6"
    & skf21("4","5","5","3","3","7","2","1") = "6"
    & skf21("4","5","5","3","3","7","3","1") = "6"
    & skf21("4","5","5","3","3","7","4","1") = "6"
    & skf21("4","5","5","3","3","7","5","1") = "6"
    & skf21("4","5","5","3","3","7","6","1") = "6"
    & skf21("4","5","5","3","3","7","7","1") = "6"
    & skf21("4","5","5","3","4","1","1","1") = "4"
    & skf21("4","5","5","3","4","1","2","1") = "4"
    & skf21("4","5","5","3","4","1","3","1") = "4"
    & skf21("4","5","5","3","4","1","4","1") = "4"
    & skf21("4","5","5","3","4","1","5","1") = "4"
    & skf21("4","5","5","3","4","1","6","1") = "5"
    & skf21("4","5","5","3","4","1","7","1") = "6"
    & skf21("4","5","5","3","4","2","1","1") = "4"
    & skf21("4","5","5","3","4","2","2","1") = "4"
    & skf21("4","5","5","3","4","2","3","1") = "4"
    & skf21("4","5","5","3","4","2","4","1") = "4"
    & skf21("4","5","5","3","4","2","5","1") = "4"
    & skf21("4","5","5","3","4","2","6","1") = "5"
    & skf21("4","5","5","3","4","2","7","1") = "6"
    & skf21("4","5","5","3","4","3","1","1") = "4"
    & skf21("4","5","5","3","4","3","2","1") = "4"
    & skf21("4","5","5","3","4","3","3","1") = "4"
    & skf21("4","5","5","3","4","3","4","1") = "4"
    & skf21("4","5","5","3","4","3","5","1") = "4"
    & skf21("4","5","5","3","4","3","6","1") = "5"
    & skf21("4","5","5","3","4","3","7","1") = "6"
    & skf21("4","5","5","3","4","4","1","1") = "4"
    & skf21("4","5","5","3","4","4","2","1") = "4"
    & skf21("4","5","5","3","4","4","3","1") = "4"
    & skf21("4","5","5","3","4","4","4","1") = "4"
    & skf21("4","5","5","3","4","4","5","1") = "4"
    & skf21("4","5","5","3","4","4","6","1") = "5"
    & skf21("4","5","5","3","4","4","7","1") = "6"
    & skf21("4","5","5","3","4","5","1","1") = "4"
    & skf21("4","5","5","3","4","5","2","1") = "4"
    & skf21("4","5","5","3","4","5","3","1") = "4"
    & skf21("4","5","5","3","4","5","4","1") = "4"
    & skf21("4","5","5","3","4","5","5","1") = "4"
    & skf21("4","5","5","3","4","5","6","1") = "5"
    & skf21("4","5","5","3","4","5","7","1") = "6"
    & skf21("4","5","5","3","4","6","1","1") = "5"
    & skf21("4","5","5","3","4","6","2","1") = "5"
    & skf21("4","5","5","3","4","6","3","1") = "5"
    & skf21("4","5","5","3","4","6","4","1") = "5"
    & skf21("4","5","5","3","4","6","5","1") = "5"
    & skf21("4","5","5","3","4","6","6","1") = "5"
    & skf21("4","5","5","3","4","6","7","1") = "6"
    & skf21("4","5","5","3","4","7","1","1") = "6"
    & skf21("4","5","5","3","4","7","2","1") = "6"
    & skf21("4","5","5","3","4","7","3","1") = "6"
    & skf21("4","5","5","3","4","7","4","1") = "6"
    & skf21("4","5","5","3","4","7","5","1") = "6"
    & skf21("4","5","5","3","4","7","6","1") = "6"
    & skf21("4","5","5","3","4","7","7","1") = "6"
    & skf21("4","5","5","3","5","1","1","1") = "4"
    & skf21("4","5","5","3","5","1","2","1") = "4"
    & skf21("4","5","5","3","5","1","3","1") = "4"
    & skf21("4","5","5","3","5","1","4","1") = "4"
    & skf21("4","5","5","3","5","1","5","1") = "4"
    & skf21("4","5","5","3","5","1","6","1") = "5"
    & skf21("4","5","5","3","5","1","7","1") = "6"
    & skf21("4","5","5","3","5","2","1","1") = "4"
    & skf21("4","5","5","3","5","2","2","1") = "4"
    & skf21("4","5","5","3","5","2","3","1") = "4"
    & skf21("4","5","5","3","5","2","4","1") = "4"
    & skf21("4","5","5","3","5","2","5","1") = "4"
    & skf21("4","5","5","3","5","2","6","1") = "5"
    & skf21("4","5","5","3","5","2","7","1") = "6"
    & skf21("4","5","5","3","5","3","1","1") = "4"
    & skf21("4","5","5","3","5","3","2","1") = "4"
    & skf21("4","5","5","3","5","3","3","1") = "4"
    & skf21("4","5","5","3","5","3","4","1") = "4"
    & skf21("4","5","5","3","5","3","5","1") = "4"
    & skf21("4","5","5","3","5","3","6","1") = "5"
    & skf21("4","5","5","3","5","3","7","1") = "6"
    & skf21("4","5","5","3","5","4","1","1") = "4"
    & skf21("4","5","5","3","5","4","2","1") = "4"
    & skf21("4","5","5","3","5","4","3","1") = "4"
    & skf21("4","5","5","3","5","4","4","1") = "4"
    & skf21("4","5","5","3","5","4","5","1") = "4"
    & skf21("4","5","5","3","5","4","6","1") = "5"
    & skf21("4","5","5","3","5","4","7","1") = "6"
    & skf21("4","5","5","3","5","5","1","1") = "4"
    & skf21("4","5","5","3","5","5","2","1") = "4"
    & skf21("4","5","5","3","5","5","3","1") = "4"
    & skf21("4","5","5","3","5","5","4","1") = "4"
    & skf21("4","5","5","3","5","5","5","1") = "4"
    & skf21("4","5","5","3","5","5","6","1") = "5"
    & skf21("4","5","5","3","5","5","7","1") = "6"
    & skf21("4","5","5","3","5","6","1","1") = "5"
    & skf21("4","5","5","3","5","6","2","1") = "5"
    & skf21("4","5","5","3","5","6","3","1") = "5"
    & skf21("4","5","5","3","5","6","4","1") = "5"
    & skf21("4","5","5","3","5","6","5","1") = "5"
    & skf21("4","5","5","3","5","6","6","1") = "5"
    & skf21("4","5","5","3","5","6","7","1") = "6"
    & skf21("4","5","5","3","5","7","1","1") = "6"
    & skf21("4","5","5","3","5","7","2","1") = "6"
    & skf21("4","5","5","3","5","7","3","1") = "6"
    & skf21("4","5","5","3","5","7","4","1") = "6"
    & skf21("4","5","5","3","5","7","5","1") = "6"
    & skf21("4","5","5","3","5","7","6","1") = "6"
    & skf21("4","5","5","3","5","7","7","1") = "6"
    & skf21("4","5","5","3","6","1","1","1") = "5"
    & skf21("4","5","5","3","6","1","2","1") = "5"
    & skf21("4","5","5","3","6","1","3","1") = "5"
    & skf21("4","5","5","3","6","1","4","1") = "5"
    & skf21("4","5","5","3","6","1","5","1") = "5"
    & skf21("4","5","5","3","6","1","6","1") = "5"
    & skf21("4","5","5","3","6","1","7","1") = "6"
    & skf21("4","5","5","3","6","2","1","1") = "5"
    & skf21("4","5","5","3","6","2","2","1") = "5"
    & skf21("4","5","5","3","6","2","3","1") = "5"
    & skf21("4","5","5","3","6","2","4","1") = "5"
    & skf21("4","5","5","3","6","2","5","1") = "5"
    & skf21("4","5","5","3","6","2","6","1") = "5"
    & skf21("4","5","5","3","6","2","7","1") = "6"
    & skf21("4","5","5","3","6","3","1","1") = "5"
    & skf21("4","5","5","3","6","3","2","1") = "5"
    & skf21("4","5","5","3","6","3","3","1") = "5"
    & skf21("4","5","5","3","6","3","4","1") = "5"
    & skf21("4","5","5","3","6","3","5","1") = "5"
    & skf21("4","5","5","3","6","3","6","1") = "5"
    & skf21("4","5","5","3","6","3","7","1") = "6"
    & skf21("4","5","5","3","6","4","1","1") = "5"
    & skf21("4","5","5","3","6","4","2","1") = "5"
    & skf21("4","5","5","3","6","4","3","1") = "5"
    & skf21("4","5","5","3","6","4","4","1") = "5"
    & skf21("4","5","5","3","6","4","5","1") = "5"
    & skf21("4","5","5","3","6","4","6","1") = "5"
    & skf21("4","5","5","3","6","4","7","1") = "6"
    & skf21("4","5","5","3","6","5","1","1") = "5"
    & skf21("4","5","5","3","6","5","2","1") = "5"
    & skf21("4","5","5","3","6","5","3","1") = "5"
    & skf21("4","5","5","3","6","5","4","1") = "5"
    & skf21("4","5","5","3","6","5","5","1") = "5"
    & skf21("4","5","5","3","6","5","6","1") = "5"
    & skf21("4","5","5","3","6","5","7","1") = "6"
    & skf21("4","5","5","3","6","6","1","1") = "5"
    & skf21("4","5","5","3","6","6","2","1") = "5"
    & skf21("4","5","5","3","6","6","3","1") = "5"
    & skf21("4","5","5","3","6","6","4","1") = "5"
    & skf21("4","5","5","3","6","6","5","1") = "5"
    & skf21("4","5","5","3","6","6","6","1") = "5"
    & skf21("4","5","5","3","6","6","7","1") = "6"
    & skf21("4","5","5","3","6","7","1","1") = "6"
    & skf21("4","5","5","3","6","7","2","1") = "6"
    & skf21("4","5","5","3","6","7","3","1") = "6"
    & skf21("4","5","5","3","6","7","4","1") = "6"
    & skf21("4","5","5","3","6","7","5","1") = "6"
    & skf21("4","5","5","3","6","7","6","1") = "6"
    & skf21("4","5","5","3","6","7","7","1") = "6"
    & skf21("4","5","5","3","7","1","1","1") = "6"
    & skf21("4","5","5","3","7","1","2","1") = "6"
    & skf21("4","5","5","3","7","1","3","1") = "6"
    & skf21("4","5","5","3","7","1","4","1") = "6"
    & skf21("4","5","5","3","7","1","5","1") = "6"
    & skf21("4","5","5","3","7","1","6","1") = "6"
    & skf21("4","5","5","3","7","1","7","1") = "6"
    & skf21("4","5","5","3","7","2","1","1") = "6"
    & skf21("4","5","5","3","7","2","2","1") = "6"
    & skf21("4","5","5","3","7","2","3","1") = "6"
    & skf21("4","5","5","3","7","2","4","1") = "6"
    & skf21("4","5","5","3","7","2","5","1") = "6"
    & skf21("4","5","5","3","7","2","6","1") = "6"
    & skf21("4","5","5","3","7","2","7","1") = "6"
    & skf21("4","5","5","3","7","3","1","1") = "6"
    & skf21("4","5","5","3","7","3","2","1") = "6"
    & skf21("4","5","5","3","7","3","3","1") = "6"
    & skf21("4","5","5","3","7","3","4","1") = "6"
    & skf21("4","5","5","3","7","3","5","1") = "6"
    & skf21("4","5","5","3","7","3","6","1") = "6"
    & skf21("4","5","5","3","7","3","7","1") = "6"
    & skf21("4","5","5","3","7","4","1","1") = "6"
    & skf21("4","5","5","3","7","4","2","1") = "6"
    & skf21("4","5","5","3","7","4","3","1") = "6"
    & skf21("4","5","5","3","7","4","4","1") = "6"
    & skf21("4","5","5","3","7","4","5","1") = "6"
    & skf21("4","5","5","3","7","4","6","1") = "6"
    & skf21("4","5","5","3","7","4","7","1") = "6"
    & skf21("4","5","5","3","7","5","1","1") = "6"
    & skf21("4","5","5","3","7","5","2","1") = "6"
    & skf21("4","5","5","3","7","5","3","1") = "6"
    & skf21("4","5","5","3","7","5","4","1") = "6"
    & skf21("4","5","5","3","7","5","5","1") = "6"
    & skf21("4","5","5","3","7","5","6","1") = "6"
    & skf21("4","5","5","3","7","5","7","1") = "6"
    & skf21("4","5","5","3","7","6","1","1") = "6"
    & skf21("4","5","5","3","7","6","2","1") = "6"
    & skf21("4","5","5","3","7","6","3","1") = "6"
    & skf21("4","5","5","3","7","6","4","1") = "6"
    & skf21("4","5","5","3","7","6","5","1") = "6"
    & skf21("4","5","5","3","7","6","6","1") = "6"
    & skf21("4","5","5","3","7","6","7","1") = "6"
    & skf21("4","5","5","3","7","7","1","1") = "6"
    & skf21("4","5","5","3","7","7","2","1") = "6"
    & skf21("4","5","5","3","7","7","3","1") = "6"
    & skf21("4","5","5","3","7","7","4","1") = "6"
    & skf21("4","5","5","3","7","7","5","1") = "6"
    & skf21("4","5","5","3","7","7","6","1") = "6"
    & skf21("4","5","5","3","7","7","7","1") = "6"
    & skf21("4","5","5","4","1","1","1","1") = "4"
    & skf21("4","5","5","4","1","1","2","1") = "4"
    & skf21("4","5","5","4","1","1","3","1") = "4"
    & skf21("4","5","5","4","1","1","4","1") = "4"
    & skf21("4","5","5","4","1","1","5","1") = "4"
    & skf21("4","5","5","4","1","1","6","1") = "5"
    & skf21("4","5","5","4","1","1","7","1") = "6"
    & skf21("4","5","5","4","1","2","1","1") = "4"
    & skf21("4","5","5","4","1","2","2","1") = "4"
    & skf21("4","5","5","4","1","2","3","1") = "4"
    & skf21("4","5","5","4","1","2","4","1") = "4"
    & skf21("4","5","5","4","1","2","5","1") = "4"
    & skf21("4","5","5","4","1","2","6","1") = "5"
    & skf21("4","5","5","4","1","2","7","1") = "6"
    & skf21("4","5","5","4","1","3","1","1") = "4"
    & skf21("4","5","5","4","1","3","2","1") = "4"
    & skf21("4","5","5","4","1","3","3","1") = "4"
    & skf21("4","5","5","4","1","3","4","1") = "4"
    & skf21("4","5","5","4","1","3","5","1") = "4"
    & skf21("4","5","5","4","1","3","6","1") = "5"
    & skf21("4","5","5","4","1","3","7","1") = "6"
    & skf21("4","5","5","4","1","4","1","1") = "4"
    & skf21("4","5","5","4","1","4","2","1") = "4"
    & skf21("4","5","5","4","1","4","3","1") = "4"
    & skf21("4","5","5","4","1","4","4","1") = "4"
    & skf21("4","5","5","4","1","4","5","1") = "4"
    & skf21("4","5","5","4","1","4","6","1") = "5"
    & skf21("4","5","5","4","1","4","7","1") = "6"
    & skf21("4","5","5","4","1","5","1","1") = "4"
    & skf21("4","5","5","4","1","5","2","1") = "4"
    & skf21("4","5","5","4","1","5","3","1") = "4"
    & skf21("4","5","5","4","1","5","4","1") = "4"
    & skf21("4","5","5","4","1","5","5","1") = "4"
    & skf21("4","5","5","4","1","5","6","1") = "5"
    & skf21("4","5","5","4","1","5","7","1") = "6"
    & skf21("4","5","5","4","1","6","1","1") = "5"
    & skf21("4","5","5","4","1","6","2","1") = "5"
    & skf21("4","5","5","4","1","6","3","1") = "5"
    & skf21("4","5","5","4","1","6","4","1") = "5"
    & skf21("4","5","5","4","1","6","5","1") = "5"
    & skf21("4","5","5","4","1","6","6","1") = "5"
    & skf21("4","5","5","4","1","6","7","1") = "6"
    & skf21("4","5","5","4","1","7","1","1") = "6"
    & skf21("4","5","5","4","1","7","2","1") = "6"
    & skf21("4","5","5","4","1","7","3","1") = "6"
    & skf21("4","5","5","4","1","7","4","1") = "6"
    & skf21("4","5","5","4","1","7","5","1") = "6"
    & skf21("4","5","5","4","1","7","6","1") = "6"
    & skf21("4","5","5","4","1","7","7","1") = "6"
    & skf21("4","5","5","4","2","1","1","1") = "4"
    & skf21("4","5","5","4","2","1","2","1") = "4"
    & skf21("4","5","5","4","2","1","3","1") = "4"
    & skf21("4","5","5","4","2","1","4","1") = "4"
    & skf21("4","5","5","4","2","1","5","1") = "4"
    & skf21("4","5","5","4","2","1","6","1") = "5"
    & skf21("4","5","5","4","2","1","7","1") = "6"
    & skf21("4","5","5","4","2","2","1","1") = "4"
    & skf21("4","5","5","4","2","2","2","1") = "4"
    & skf21("4","5","5","4","2","2","3","1") = "4"
    & skf21("4","5","5","4","2","2","4","1") = "4"
    & skf21("4","5","5","4","2","2","5","1") = "4"
    & skf21("4","5","5","4","2","2","6","1") = "5"
    & skf21("4","5","5","4","2","2","7","1") = "6"
    & skf21("4","5","5","4","2","3","1","1") = "4"
    & skf21("4","5","5","4","2","3","2","1") = "4"
    & skf21("4","5","5","4","2","3","3","1") = "4"
    & skf21("4","5","5","4","2","3","4","1") = "4"
    & skf21("4","5","5","4","2","3","5","1") = "4"
    & skf21("4","5","5","4","2","3","6","1") = "5"
    & skf21("4","5","5","4","2","3","7","1") = "6"
    & skf21("4","5","5","4","2","4","1","1") = "4"
    & skf21("4","5","5","4","2","4","2","1") = "4"
    & skf21("4","5","5","4","2","4","3","1") = "4"
    & skf21("4","5","5","4","2","4","4","1") = "4"
    & skf21("4","5","5","4","2","4","5","1") = "4"
    & skf21("4","5","5","4","2","4","6","1") = "5"
    & skf21("4","5","5","4","2","4","7","1") = "6"
    & skf21("4","5","5","4","2","5","1","1") = "4"
    & skf21("4","5","5","4","2","5","2","1") = "4"
    & skf21("4","5","5","4","2","5","3","1") = "4"
    & skf21("4","5","5","4","2","5","4","1") = "4"
    & skf21("4","5","5","4","2","5","5","1") = "4"
    & skf21("4","5","5","4","2","5","6","1") = "5"
    & skf21("4","5","5","4","2","5","7","1") = "6"
    & skf21("4","5","5","4","2","6","1","1") = "5"
    & skf21("4","5","5","4","2","6","2","1") = "5"
    & skf21("4","5","5","4","2","6","3","1") = "5"
    & skf21("4","5","5","4","2","6","4","1") = "5"
    & skf21("4","5","5","4","2","6","5","1") = "5"
    & skf21("4","5","5","4","2","6","6","1") = "5"
    & skf21("4","5","5","4","2","6","7","1") = "6"
    & skf21("4","5","5","4","2","7","1","1") = "6"
    & skf21("4","5","5","4","2","7","2","1") = "6"
    & skf21("4","5","5","4","2","7","3","1") = "6"
    & skf21("4","5","5","4","2","7","4","1") = "6"
    & skf21("4","5","5","4","2","7","5","1") = "6"
    & skf21("4","5","5","4","2","7","6","1") = "6"
    & skf21("4","5","5","4","2","7","7","1") = "6"
    & skf21("4","5","5","4","3","1","1","1") = "4"
    & skf21("4","5","5","4","3","1","2","1") = "4"
    & skf21("4","5","5","4","3","1","3","1") = "4"
    & skf21("4","5","5","4","3","1","4","1") = "4"
    & skf21("4","5","5","4","3","1","5","1") = "4"
    & skf21("4","5","5","4","3","1","6","1") = "5"
    & skf21("4","5","5","4","3","1","7","1") = "6"
    & skf21("4","5","5","4","3","2","1","1") = "4"
    & skf21("4","5","5","4","3","2","2","1") = "4"
    & skf21("4","5","5","4","3","2","3","1") = "4"
    & skf21("4","5","5","4","3","2","4","1") = "4"
    & skf21("4","5","5","4","3","2","5","1") = "4"
    & skf21("4","5","5","4","3","2","6","1") = "5"
    & skf21("4","5","5","4","3","2","7","1") = "6"
    & skf21("4","5","5","4","3","3","1","1") = "4"
    & skf21("4","5","5","4","3","3","2","1") = "4"
    & skf21("4","5","5","4","3","3","3","1") = "4"
    & skf21("4","5","5","4","3","3","4","1") = "4"
    & skf21("4","5","5","4","3","3","5","1") = "4"
    & skf21("4","5","5","4","3","3","6","1") = "5"
    & skf21("4","5","5","4","3","3","7","1") = "6"
    & skf21("4","5","5","4","3","4","1","1") = "4"
    & skf21("4","5","5","4","3","4","2","1") = "4"
    & skf21("4","5","5","4","3","4","3","1") = "4"
    & skf21("4","5","5","4","3","4","4","1") = "4"
    & skf21("4","5","5","4","3","4","5","1") = "4"
    & skf21("4","5","5","4","3","4","6","1") = "5"
    & skf21("4","5","5","4","3","4","7","1") = "6"
    & skf21("4","5","5","4","3","5","1","1") = "4"
    & skf21("4","5","5","4","3","5","2","1") = "4"
    & skf21("4","5","5","4","3","5","3","1") = "4"
    & skf21("4","5","5","4","3","5","4","1") = "4"
    & skf21("4","5","5","4","3","5","5","1") = "4"
    & skf21("4","5","5","4","3","5","6","1") = "5"
    & skf21("4","5","5","4","3","5","7","1") = "6"
    & skf21("4","5","5","4","3","6","1","1") = "5"
    & skf21("4","5","5","4","3","6","2","1") = "5"
    & skf21("4","5","5","4","3","6","3","1") = "5"
    & skf21("4","5","5","4","3","6","4","1") = "5"
    & skf21("4","5","5","4","3","6","5","1") = "5"
    & skf21("4","5","5","4","3","6","6","1") = "5"
    & skf21("4","5","5","4","3","6","7","1") = "6"
    & skf21("4","5","5","4","3","7","1","1") = "6"
    & skf21("4","5","5","4","3","7","2","1") = "6"
    & skf21("4","5","5","4","3","7","3","1") = "6"
    & skf21("4","5","5","4","3","7","4","1") = "6"
    & skf21("4","5","5","4","3","7","5","1") = "6"
    & skf21("4","5","5","4","3","7","6","1") = "6"
    & skf21("4","5","5","4","3","7","7","1") = "6"
    & skf21("4","5","5","4","4","1","1","1") = "4"
    & skf21("4","5","5","4","4","1","2","1") = "4"
    & skf21("4","5","5","4","4","1","3","1") = "4"
    & skf21("4","5","5","4","4","1","4","1") = "4"
    & skf21("4","5","5","4","4","1","5","1") = "4"
    & skf21("4","5","5","4","4","1","6","1") = "5"
    & skf21("4","5","5","4","4","1","7","1") = "6"
    & skf21("4","5","5","4","4","2","1","1") = "4"
    & skf21("4","5","5","4","4","2","2","1") = "4"
    & skf21("4","5","5","4","4","2","3","1") = "4"
    & skf21("4","5","5","4","4","2","4","1") = "4"
    & skf21("4","5","5","4","4","2","5","1") = "4"
    & skf21("4","5","5","4","4","2","6","1") = "5"
    & skf21("4","5","5","4","4","2","7","1") = "6"
    & skf21("4","5","5","4","4","3","1","1") = "4"
    & skf21("4","5","5","4","4","3","2","1") = "4"
    & skf21("4","5","5","4","4","3","3","1") = "4"
    & skf21("4","5","5","4","4","3","4","1") = "4"
    & skf21("4","5","5","4","4","3","5","1") = "4"
    & skf21("4","5","5","4","4","3","6","1") = "5"
    & skf21("4","5","5","4","4","3","7","1") = "6"
    & skf21("4","5","5","4","4","4","1","1") = "4"
    & skf21("4","5","5","4","4","4","2","1") = "4"
    & skf21("4","5","5","4","4","4","3","1") = "4"
    & skf21("4","5","5","4","4","4","4","1") = "4"
    & skf21("4","5","5","4","4","4","5","1") = "4"
    & skf21("4","5","5","4","4","4","6","1") = "5"
    & skf21("4","5","5","4","4","4","7","1") = "6"
    & skf21("4","5","5","4","4","5","1","1") = "4"
    & skf21("4","5","5","4","4","5","2","1") = "4"
    & skf21("4","5","5","4","4","5","3","1") = "4"
    & skf21("4","5","5","4","4","5","4","1") = "4"
    & skf21("4","5","5","4","4","5","5","1") = "4"
    & skf21("4","5","5","4","4","5","6","1") = "5"
    & skf21("4","5","5","4","4","5","7","1") = "6"
    & skf21("4","5","5","4","4","6","1","1") = "5"
    & skf21("4","5","5","4","4","6","2","1") = "5"
    & skf21("4","5","5","4","4","6","3","1") = "5"
    & skf21("4","5","5","4","4","6","4","1") = "5"
    & skf21("4","5","5","4","4","6","5","1") = "5"
    & skf21("4","5","5","4","4","6","6","1") = "5"
    & skf21("4","5","5","4","4","6","7","1") = "6"
    & skf21("4","5","5","4","4","7","1","1") = "6"
    & skf21("4","5","5","4","4","7","2","1") = "6"
    & skf21("4","5","5","4","4","7","3","1") = "6"
    & skf21("4","5","5","4","4","7","4","1") = "6"
    & skf21("4","5","5","4","4","7","5","1") = "6"
    & skf21("4","5","5","4","4","7","6","1") = "6"
    & skf21("4","5","5","4","4","7","7","1") = "6"
    & skf21("4","5","5","4","5","1","1","1") = "4"
    & skf21("4","5","5","4","5","1","2","1") = "4"
    & skf21("4","5","5","4","5","1","3","1") = "4"
    & skf21("4","5","5","4","5","1","4","1") = "4"
    & skf21("4","5","5","4","5","1","5","1") = "4"
    & skf21("4","5","5","4","5","1","6","1") = "5"
    & skf21("4","5","5","4","5","1","7","1") = "6"
    & skf21("4","5","5","4","5","2","1","1") = "4"
    & skf21("4","5","5","4","5","2","2","1") = "4"
    & skf21("4","5","5","4","5","2","3","1") = "4"
    & skf21("4","5","5","4","5","2","4","1") = "4"
    & skf21("4","5","5","4","5","2","5","1") = "4"
    & skf21("4","5","5","4","5","2","6","1") = "5"
    & skf21("4","5","5","4","5","2","7","1") = "6"
    & skf21("4","5","5","4","5","3","1","1") = "4"
    & skf21("4","5","5","4","5","3","2","1") = "4"
    & skf21("4","5","5","4","5","3","3","1") = "4"
    & skf21("4","5","5","4","5","3","4","1") = "4"
    & skf21("4","5","5","4","5","3","5","1") = "4"
    & skf21("4","5","5","4","5","3","6","1") = "5"
    & skf21("4","5","5","4","5","3","7","1") = "6"
    & skf21("4","5","5","4","5","4","1","1") = "4"
    & skf21("4","5","5","4","5","4","2","1") = "4"
    & skf21("4","5","5","4","5","4","3","1") = "4"
    & skf21("4","5","5","4","5","4","4","1") = "4"
    & skf21("4","5","5","4","5","4","5","1") = "4"
    & skf21("4","5","5","4","5","4","6","1") = "5"
    & skf21("4","5","5","4","5","4","7","1") = "6"
    & skf21("4","5","5","4","5","5","1","1") = "4"
    & skf21("4","5","5","4","5","5","2","1") = "4"
    & skf21("4","5","5","4","5","5","3","1") = "4"
    & skf21("4","5","5","4","5","5","4","1") = "4"
    & skf21("4","5","5","4","5","5","5","1") = "4"
    & skf21("4","5","5","4","5","5","6","1") = "5"
    & skf21("4","5","5","4","5","5","7","1") = "6"
    & skf21("4","5","5","4","5","6","1","1") = "5"
    & skf21("4","5","5","4","5","6","2","1") = "5"
    & skf21("4","5","5","4","5","6","3","1") = "5"
    & skf21("4","5","5","4","5","6","4","1") = "5"
    & skf21("4","5","5","4","5","6","5","1") = "5"
    & skf21("4","5","5","4","5","6","6","1") = "5"
    & skf21("4","5","5","4","5","6","7","1") = "6"
    & skf21("4","5","5","4","5","7","1","1") = "6"
    & skf21("4","5","5","4","5","7","2","1") = "6"
    & skf21("4","5","5","4","5","7","3","1") = "6"
    & skf21("4","5","5","4","5","7","4","1") = "6"
    & skf21("4","5","5","4","5","7","5","1") = "6"
    & skf21("4","5","5","4","5","7","6","1") = "6"
    & skf21("4","5","5","4","5","7","7","1") = "6"
    & skf21("4","5","5","4","6","1","1","1") = "5"
    & skf21("4","5","5","4","6","1","2","1") = "5"
    & skf21("4","5","5","4","6","1","3","1") = "5"
    & skf21("4","5","5","4","6","1","4","1") = "5"
    & skf21("4","5","5","4","6","1","5","1") = "5"
    & skf21("4","5","5","4","6","1","6","1") = "5"
    & skf21("4","5","5","4","6","1","7","1") = "6"
    & skf21("4","5","5","4","6","2","1","1") = "5"
    & skf21("4","5","5","4","6","2","2","1") = "5"
    & skf21("4","5","5","4","6","2","3","1") = "5"
    & skf21("4","5","5","4","6","2","4","1") = "5"
    & skf21("4","5","5","4","6","2","5","1") = "5"
    & skf21("4","5","5","4","6","2","6","1") = "5"
    & skf21("4","5","5","4","6","2","7","1") = "6"
    & skf21("4","5","5","4","6","3","1","1") = "5"
    & skf21("4","5","5","4","6","3","2","1") = "5"
    & skf21("4","5","5","4","6","3","3","1") = "5"
    & skf21("4","5","5","4","6","3","4","1") = "5"
    & skf21("4","5","5","4","6","3","5","1") = "5"
    & skf21("4","5","5","4","6","3","6","1") = "5"
    & skf21("4","5","5","4","6","3","7","1") = "6"
    & skf21("4","5","5","4","6","4","1","1") = "5"
    & skf21("4","5","5","4","6","4","2","1") = "5"
    & skf21("4","5","5","4","6","4","3","1") = "5"
    & skf21("4","5","5","4","6","4","4","1") = "5"
    & skf21("4","5","5","4","6","4","5","1") = "5"
    & skf21("4","5","5","4","6","4","6","1") = "5"
    & skf21("4","5","5","4","6","4","7","1") = "6"
    & skf21("4","5","5","4","6","5","1","1") = "5"
    & skf21("4","5","5","4","6","5","2","1") = "5"
    & skf21("4","5","5","4","6","5","3","1") = "5"
    & skf21("4","5","5","4","6","5","4","1") = "5"
    & skf21("4","5","5","4","6","5","5","1") = "5"
    & skf21("4","5","5","4","6","5","6","1") = "5"
    & skf21("4","5","5","4","6","5","7","1") = "6"
    & skf21("4","5","5","4","6","6","1","1") = "5"
    & skf21("4","5","5","4","6","6","2","1") = "5"
    & skf21("4","5","5","4","6","6","3","1") = "5"
    & skf21("4","5","5","4","6","6","4","1") = "5"
    & skf21("4","5","5","4","6","6","5","1") = "5"
    & skf21("4","5","5","4","6","6","6","1") = "5"
    & skf21("4","5","5","4","6","6","7","1") = "6"
    & skf21("4","5","5","4","6","7","1","1") = "6"
    & skf21("4","5","5","4","6","7","2","1") = "6"
    & skf21("4","5","5","4","6","7","3","1") = "6"
    & skf21("4","5","5","4","6","7","4","1") = "6"
    & skf21("4","5","5","4","6","7","5","1") = "6"
    & skf21("4","5","5","4","6","7","6","1") = "6"
    & skf21("4","5","5","4","6","7","7","1") = "6"
    & skf21("4","5","5","4","7","1","1","1") = "6"
    & skf21("4","5","5","4","7","1","2","1") = "6"
    & skf21("4","5","5","4","7","1","3","1") = "6"
    & skf21("4","5","5","4","7","1","4","1") = "6"
    & skf21("4","5","5","4","7","1","5","1") = "6"
    & skf21("4","5","5","4","7","1","6","1") = "6"
    & skf21("4","5","5","4","7","1","7","1") = "6"
    & skf21("4","5","5","4","7","2","1","1") = "6"
    & skf21("4","5","5","4","7","2","2","1") = "6"
    & skf21("4","5","5","4","7","2","3","1") = "6"
    & skf21("4","5","5","4","7","2","4","1") = "6"
    & skf21("4","5","5","4","7","2","5","1") = "6"
    & skf21("4","5","5","4","7","2","6","1") = "6"
    & skf21("4","5","5","4","7","2","7","1") = "6"
    & skf21("4","5","5","4","7","3","1","1") = "6"
    & skf21("4","5","5","4","7","3","2","1") = "6"
    & skf21("4","5","5","4","7","3","3","1") = "6"
    & skf21("4","5","5","4","7","3","4","1") = "6"
    & skf21("4","5","5","4","7","3","5","1") = "6"
    & skf21("4","5","5","4","7","3","6","1") = "6"
    & skf21("4","5","5","4","7","3","7","1") = "6"
    & skf21("4","5","5","4","7","4","1","1") = "6"
    & skf21("4","5","5","4","7","4","2","1") = "6"
    & skf21("4","5","5","4","7","4","3","1") = "6"
    & skf21("4","5","5","4","7","4","4","1") = "6"
    & skf21("4","5","5","4","7","4","5","1") = "6"
    & skf21("4","5","5","4","7","4","6","1") = "6"
    & skf21("4","5","5","4","7","4","7","1") = "6"
    & skf21("4","5","5","4","7","5","1","1") = "6"
    & skf21("4","5","5","4","7","5","2","1") = "6"
    & skf21("4","5","5","4","7","5","3","1") = "6"
    & skf21("4","5","5","4","7","5","4","1") = "6"
    & skf21("4","5","5","4","7","5","5","1") = "6"
    & skf21("4","5","5","4","7","5","6","1") = "6"
    & skf21("4","5","5","4","7","5","7","1") = "6"
    & skf21("4","5","5","4","7","6","1","1") = "6"
    & skf21("4","5","5","4","7","6","2","1") = "6"
    & skf21("4","5","5","4","7","6","3","1") = "6"
    & skf21("4","5","5","4","7","6","4","1") = "6"
    & skf21("4","5","5","4","7","6","5","1") = "6"
    & skf21("4","5","5","4","7","6","6","1") = "6"
    & skf21("4","5","5","4","7","6","7","1") = "6"
    & skf21("4","5","5","4","7","7","1","1") = "6"
    & skf21("4","5","5","4","7","7","2","1") = "6"
    & skf21("4","5","5","4","7","7","3","1") = "6"
    & skf21("4","5","5","4","7","7","4","1") = "6"
    & skf21("4","5","5","4","7","7","5","1") = "6"
    & skf21("4","5","5","4","7","7","6","1") = "6"
    & skf21("4","5","5","4","7","7","7","1") = "6"
    & skf21("4","5","5","5","1","1","1","1") = "4"
    & skf21("4","5","5","5","1","1","2","1") = "4"
    & skf21("4","5","5","5","1","1","3","1") = "4"
    & skf21("4","5","5","5","1","1","4","1") = "4"
    & skf21("4","5","5","5","1","1","5","1") = "4"
    & skf21("4","5","5","5","1","1","6","1") = "5"
    & skf21("4","5","5","5","1","1","7","1") = "6"
    & skf21("4","5","5","5","1","2","1","1") = "4"
    & skf21("4","5","5","5","1","2","2","1") = "4"
    & skf21("4","5","5","5","1","2","3","1") = "4"
    & skf21("4","5","5","5","1","2","4","1") = "4"
    & skf21("4","5","5","5","1","2","5","1") = "4"
    & skf21("4","5","5","5","1","2","6","1") = "5"
    & skf21("4","5","5","5","1","2","7","1") = "6"
    & skf21("4","5","5","5","1","3","1","1") = "4"
    & skf21("4","5","5","5","1","3","2","1") = "4"
    & skf21("4","5","5","5","1","3","3","1") = "4"
    & skf21("4","5","5","5","1","3","4","1") = "4"
    & skf21("4","5","5","5","1","3","5","1") = "4"
    & skf21("4","5","5","5","1","3","6","1") = "5"
    & skf21("4","5","5","5","1","3","7","1") = "6"
    & skf21("4","5","5","5","1","4","1","1") = "4"
    & skf21("4","5","5","5","1","4","2","1") = "4"
    & skf21("4","5","5","5","1","4","3","1") = "4"
    & skf21("4","5","5","5","1","4","4","1") = "4"
    & skf21("4","5","5","5","1","4","5","1") = "4"
    & skf21("4","5","5","5","1","4","6","1") = "5"
    & skf21("4","5","5","5","1","4","7","1") = "6"
    & skf21("4","5","5","5","1","5","1","1") = "4"
    & skf21("4","5","5","5","1","5","2","1") = "4"
    & skf21("4","5","5","5","1","5","3","1") = "4"
    & skf21("4","5","5","5","1","5","4","1") = "4"
    & skf21("4","5","5","5","1","5","5","1") = "4"
    & skf21("4","5","5","5","1","5","6","1") = "5"
    & skf21("4","5","5","5","1","5","7","1") = "6"
    & skf21("4","5","5","5","1","6","1","1") = "5"
    & skf21("4","5","5","5","1","6","2","1") = "5"
    & skf21("4","5","5","5","1","6","3","1") = "5"
    & skf21("4","5","5","5","1","6","4","1") = "5"
    & skf21("4","5","5","5","1","6","5","1") = "5"
    & skf21("4","5","5","5","1","6","6","1") = "5"
    & skf21("4","5","5","5","1","6","7","1") = "6"
    & skf21("4","5","5","5","1","7","1","1") = "6"
    & skf21("4","5","5","5","1","7","2","1") = "6"
    & skf21("4","5","5","5","1","7","3","1") = "6"
    & skf21("4","5","5","5","1","7","4","1") = "6"
    & skf21("4","5","5","5","1","7","5","1") = "6"
    & skf21("4","5","5","5","1","7","6","1") = "6"
    & skf21("4","5","5","5","1","7","7","1") = "6"
    & skf21("4","5","5","5","2","1","1","1") = "4"
    & skf21("4","5","5","5","2","1","2","1") = "4"
    & skf21("4","5","5","5","2","1","3","1") = "4"
    & skf21("4","5","5","5","2","1","4","1") = "4"
    & skf21("4","5","5","5","2","1","5","1") = "4"
    & skf21("4","5","5","5","2","1","6","1") = "5"
    & skf21("4","5","5","5","2","1","7","1") = "6"
    & skf21("4","5","5","5","2","2","1","1") = "4"
    & skf21("4","5","5","5","2","2","2","1") = "4"
    & skf21("4","5","5","5","2","2","3","1") = "4"
    & skf21("4","5","5","5","2","2","4","1") = "4"
    & skf21("4","5","5","5","2","2","5","1") = "4"
    & skf21("4","5","5","5","2","2","6","1") = "5"
    & skf21("4","5","5","5","2","2","7","1") = "6"
    & skf21("4","5","5","5","2","3","1","1") = "4"
    & skf21("4","5","5","5","2","3","2","1") = "4"
    & skf21("4","5","5","5","2","3","3","1") = "4"
    & skf21("4","5","5","5","2","3","4","1") = "4"
    & skf21("4","5","5","5","2","3","5","1") = "4"
    & skf21("4","5","5","5","2","3","6","1") = "5"
    & skf21("4","5","5","5","2","3","7","1") = "6"
    & skf21("4","5","5","5","2","4","1","1") = "4"
    & skf21("4","5","5","5","2","4","2","1") = "4"
    & skf21("4","5","5","5","2","4","3","1") = "4"
    & skf21("4","5","5","5","2","4","4","1") = "4"
    & skf21("4","5","5","5","2","4","5","1") = "4"
    & skf21("4","5","5","5","2","4","6","1") = "5"
    & skf21("4","5","5","5","2","4","7","1") = "6"
    & skf21("4","5","5","5","2","5","1","1") = "4"
    & skf21("4","5","5","5","2","5","2","1") = "4"
    & skf21("4","5","5","5","2","5","3","1") = "4"
    & skf21("4","5","5","5","2","5","4","1") = "4"
    & skf21("4","5","5","5","2","5","5","1") = "4"
    & skf21("4","5","5","5","2","5","6","1") = "5"
    & skf21("4","5","5","5","2","5","7","1") = "6"
    & skf21("4","5","5","5","2","6","1","1") = "5"
    & skf21("4","5","5","5","2","6","2","1") = "5"
    & skf21("4","5","5","5","2","6","3","1") = "5"
    & skf21("4","5","5","5","2","6","4","1") = "5"
    & skf21("4","5","5","5","2","6","5","1") = "5"
    & skf21("4","5","5","5","2","6","6","1") = "5"
    & skf21("4","5","5","5","2","6","7","1") = "6"
    & skf21("4","5","5","5","2","7","1","1") = "6"
    & skf21("4","5","5","5","2","7","2","1") = "6"
    & skf21("4","5","5","5","2","7","3","1") = "6"
    & skf21("4","5","5","5","2","7","4","1") = "6"
    & skf21("4","5","5","5","2","7","5","1") = "6"
    & skf21("4","5","5","5","2","7","6","1") = "6"
    & skf21("4","5","5","5","2","7","7","1") = "6"
    & skf21("4","5","5","5","3","1","1","1") = "4"
    & skf21("4","5","5","5","3","1","2","1") = "4"
    & skf21("4","5","5","5","3","1","3","1") = "4"
    & skf21("4","5","5","5","3","1","4","1") = "4"
    & skf21("4","5","5","5","3","1","5","1") = "4"
    & skf21("4","5","5","5","3","1","6","1") = "5"
    & skf21("4","5","5","5","3","1","7","1") = "6"
    & skf21("4","5","5","5","3","2","1","1") = "4"
    & skf21("4","5","5","5","3","2","2","1") = "4"
    & skf21("4","5","5","5","3","2","3","1") = "4"
    & skf21("4","5","5","5","3","2","4","1") = "4"
    & skf21("4","5","5","5","3","2","5","1") = "4"
    & skf21("4","5","5","5","3","2","6","1") = "5"
    & skf21("4","5","5","5","3","2","7","1") = "6"
    & skf21("4","5","5","5","3","3","1","1") = "4"
    & skf21("4","5","5","5","3","3","2","1") = "4"
    & skf21("4","5","5","5","3","3","3","1") = "4"
    & skf21("4","5","5","5","3","3","4","1") = "4"
    & skf21("4","5","5","5","3","3","5","1") = "4"
    & skf21("4","5","5","5","3","3","6","1") = "5"
    & skf21("4","5","5","5","3","3","7","1") = "6"
    & skf21("4","5","5","5","3","4","1","1") = "4"
    & skf21("4","5","5","5","3","4","2","1") = "4"
    & skf21("4","5","5","5","3","4","3","1") = "4"
    & skf21("4","5","5","5","3","4","4","1") = "4"
    & skf21("4","5","5","5","3","4","5","1") = "4"
    & skf21("4","5","5","5","3","4","6","1") = "5"
    & skf21("4","5","5","5","3","4","7","1") = "6"
    & skf21("4","5","5","5","3","5","1","1") = "4"
    & skf21("4","5","5","5","3","5","2","1") = "4"
    & skf21("4","5","5","5","3","5","3","1") = "4"
    & skf21("4","5","5","5","3","5","4","1") = "4"
    & skf21("4","5","5","5","3","5","5","1") = "4"
    & skf21("4","5","5","5","3","5","6","1") = "5"
    & skf21("4","5","5","5","3","5","7","1") = "6"
    & skf21("4","5","5","5","3","6","1","1") = "5"
    & skf21("4","5","5","5","3","6","2","1") = "5"
    & skf21("4","5","5","5","3","6","3","1") = "5"
    & skf21("4","5","5","5","3","6","4","1") = "5"
    & skf21("4","5","5","5","3","6","5","1") = "5"
    & skf21("4","5","5","5","3","6","6","1") = "5"
    & skf21("4","5","5","5","3","6","7","1") = "6"
    & skf21("4","5","5","5","3","7","1","1") = "6"
    & skf21("4","5","5","5","3","7","2","1") = "6"
    & skf21("4","5","5","5","3","7","3","1") = "6"
    & skf21("4","5","5","5","3","7","4","1") = "6"
    & skf21("4","5","5","5","3","7","5","1") = "6"
    & skf21("4","5","5","5","3","7","6","1") = "6"
    & skf21("4","5","5","5","3","7","7","1") = "6"
    & skf21("4","5","5","5","4","1","1","1") = "4"
    & skf21("4","5","5","5","4","1","2","1") = "4"
    & skf21("4","5","5","5","4","1","3","1") = "4"
    & skf21("4","5","5","5","4","1","4","1") = "4"
    & skf21("4","5","5","5","4","1","5","1") = "4"
    & skf21("4","5","5","5","4","1","6","1") = "5"
    & skf21("4","5","5","5","4","1","7","1") = "6"
    & skf21("4","5","5","5","4","2","1","1") = "4"
    & skf21("4","5","5","5","4","2","2","1") = "4"
    & skf21("4","5","5","5","4","2","3","1") = "4"
    & skf21("4","5","5","5","4","2","4","1") = "4"
    & skf21("4","5","5","5","4","2","5","1") = "4"
    & skf21("4","5","5","5","4","2","6","1") = "5"
    & skf21("4","5","5","5","4","2","7","1") = "6"
    & skf21("4","5","5","5","4","3","1","1") = "4"
    & skf21("4","5","5","5","4","3","2","1") = "4"
    & skf21("4","5","5","5","4","3","3","1") = "4"
    & skf21("4","5","5","5","4","3","4","1") = "4"
    & skf21("4","5","5","5","4","3","5","1") = "4"
    & skf21("4","5","5","5","4","3","6","1") = "5"
    & skf21("4","5","5","5","4","3","7","1") = "6"
    & skf21("4","5","5","5","4","4","1","1") = "4"
    & skf21("4","5","5","5","4","4","2","1") = "4"
    & skf21("4","5","5","5","4","4","3","1") = "4"
    & skf21("4","5","5","5","4","4","4","1") = "4"
    & skf21("4","5","5","5","4","4","5","1") = "4"
    & skf21("4","5","5","5","4","4","6","1") = "5"
    & skf21("4","5","5","5","4","4","7","1") = "6"
    & skf21("4","5","5","5","4","5","1","1") = "4"
    & skf21("4","5","5","5","4","5","2","1") = "4"
    & skf21("4","5","5","5","4","5","3","1") = "4"
    & skf21("4","5","5","5","4","5","4","1") = "4"
    & skf21("4","5","5","5","4","5","5","1") = "4"
    & skf21("4","5","5","5","4","5","6","1") = "5"
    & skf21("4","5","5","5","4","5","7","1") = "6"
    & skf21("4","5","5","5","4","6","1","1") = "5"
    & skf21("4","5","5","5","4","6","2","1") = "5"
    & skf21("4","5","5","5","4","6","3","1") = "5"
    & skf21("4","5","5","5","4","6","4","1") = "5"
    & skf21("4","5","5","5","4","6","5","1") = "5"
    & skf21("4","5","5","5","4","6","6","1") = "5"
    & skf21("4","5","5","5","4","6","7","1") = "6"
    & skf21("4","5","5","5","4","7","1","1") = "6"
    & skf21("4","5","5","5","4","7","2","1") = "6"
    & skf21("4","5","5","5","4","7","3","1") = "6"
    & skf21("4","5","5","5","4","7","4","1") = "6"
    & skf21("4","5","5","5","4","7","5","1") = "6"
    & skf21("4","5","5","5","4","7","6","1") = "6"
    & skf21("4","5","5","5","4","7","7","1") = "6"
    & skf21("4","5","5","5","5","1","1","1") = "4"
    & skf21("4","5","5","5","5","1","2","1") = "4"
    & skf21("4","5","5","5","5","1","3","1") = "4"
    & skf21("4","5","5","5","5","1","4","1") = "4"
    & skf21("4","5","5","5","5","1","5","1") = "4"
    & skf21("4","5","5","5","5","1","6","1") = "5"
    & skf21("4","5","5","5","5","1","7","1") = "6"
    & skf21("4","5","5","5","5","2","1","1") = "4"
    & skf21("4","5","5","5","5","2","2","1") = "4"
    & skf21("4","5","5","5","5","2","3","1") = "4"
    & skf21("4","5","5","5","5","2","4","1") = "4"
    & skf21("4","5","5","5","5","2","5","1") = "4"
    & skf21("4","5","5","5","5","2","6","1") = "5"
    & skf21("4","5","5","5","5","2","7","1") = "6"
    & skf21("4","5","5","5","5","3","1","1") = "4"
    & skf21("4","5","5","5","5","3","2","1") = "4"
    & skf21("4","5","5","5","5","3","3","1") = "4"
    & skf21("4","5","5","5","5","3","4","1") = "4"
    & skf21("4","5","5","5","5","3","5","1") = "4"
    & skf21("4","5","5","5","5","3","6","1") = "5"
    & skf21("4","5","5","5","5","3","7","1") = "6"
    & skf21("4","5","5","5","5","4","1","1") = "4"
    & skf21("4","5","5","5","5","4","2","1") = "4"
    & skf21("4","5","5","5","5","4","3","1") = "4"
    & skf21("4","5","5","5","5","4","4","1") = "4"
    & skf21("4","5","5","5","5","4","5","1") = "4"
    & skf21("4","5","5","5","5","4","6","1") = "5"
    & skf21("4","5","5","5","5","4","7","1") = "6"
    & skf21("4","5","5","5","5","5","1","1") = "4"
    & skf21("4","5","5","5","5","5","2","1") = "4"
    & skf21("4","5","5","5","5","5","3","1") = "4"
    & skf21("4","5","5","5","5","5","4","1") = "4"
    & skf21("4","5","5","5","5","5","5","1") = "4"
    & skf21("4","5","5","5","5","5","6","1") = "5"
    & skf21("4","5","5","5","5","5","7","1") = "6"
    & skf21("4","5","5","5","5","6","1","1") = "5"
    & skf21("4","5","5","5","5","6","2","1") = "5"
    & skf21("4","5","5","5","5","6","3","1") = "5"
    & skf21("4","5","5","5","5","6","4","1") = "5"
    & skf21("4","5","5","5","5","6","5","1") = "5"
    & skf21("4","5","5","5","5","6","6","1") = "5"
    & skf21("4","5","5","5","5","6","7","1") = "6"
    & skf21("4","5","5","5","5","7","1","1") = "6"
    & skf21("4","5","5","5","5","7","2","1") = "6"
    & skf21("4","5","5","5","5","7","3","1") = "6"
    & skf21("4","5","5","5","5","7","4","1") = "6"
    & skf21("4","5","5","5","5","7","5","1") = "6"
    & skf21("4","5","5","5","5","7","6","1") = "6"
    & skf21("4","5","5","5","5","7","7","1") = "6"
    & skf21("4","5","5","5","6","1","1","1") = "5"
    & skf21("4","5","5","5","6","1","2","1") = "5"
    & skf21("4","5","5","5","6","1","3","1") = "5"
    & skf21("4","5","5","5","6","1","4","1") = "5"
    & skf21("4","5","5","5","6","1","5","1") = "5"
    & skf21("4","5","5","5","6","1","6","1") = "5"
    & skf21("4","5","5","5","6","1","7","1") = "6"
    & skf21("4","5","5","5","6","2","1","1") = "5"
    & skf21("4","5","5","5","6","2","2","1") = "5"
    & skf21("4","5","5","5","6","2","3","1") = "5"
    & skf21("4","5","5","5","6","2","4","1") = "5"
    & skf21("4","5","5","5","6","2","5","1") = "5"
    & skf21("4","5","5","5","6","2","6","1") = "5"
    & skf21("4","5","5","5","6","2","7","1") = "6"
    & skf21("4","5","5","5","6","3","1","1") = "5"
    & skf21("4","5","5","5","6","3","2","1") = "5"
    & skf21("4","5","5","5","6","3","3","1") = "5"
    & skf21("4","5","5","5","6","3","4","1") = "5"
    & skf21("4","5","5","5","6","3","5","1") = "5"
    & skf21("4","5","5","5","6","3","6","1") = "5"
    & skf21("4","5","5","5","6","3","7","1") = "6"
    & skf21("4","5","5","5","6","4","1","1") = "5"
    & skf21("4","5","5","5","6","4","2","1") = "5"
    & skf21("4","5","5","5","6","4","3","1") = "5"
    & skf21("4","5","5","5","6","4","4","1") = "5"
    & skf21("4","5","5","5","6","4","5","1") = "5"
    & skf21("4","5","5","5","6","4","6","1") = "5"
    & skf21("4","5","5","5","6","4","7","1") = "6"
    & skf21("4","5","5","5","6","5","1","1") = "5"
    & skf21("4","5","5","5","6","5","2","1") = "5"
    & skf21("4","5","5","5","6","5","3","1") = "5"
    & skf21("4","5","5","5","6","5","4","1") = "5"
    & skf21("4","5","5","5","6","5","5","1") = "5"
    & skf21("4","5","5","5","6","5","6","1") = "5"
    & skf21("4","5","5","5","6","5","7","1") = "6"
    & skf21("4","5","5","5","6","6","1","1") = "5"
    & skf21("4","5","5","5","6","6","2","1") = "5"
    & skf21("4","5","5","5","6","6","3","1") = "5"
    & skf21("4","5","5","5","6","6","4","1") = "5"
    & skf21("4","5","5","5","6","6","5","1") = "5"
    & skf21("4","5","5","5","6","6","6","1") = "5"
    & skf21("4","5","5","5","6","6","7","1") = "6"
    & skf21("4","5","5","5","6","7","1","1") = "6"
    & skf21("4","5","5","5","6","7","2","1") = "6"
    & skf21("4","5","5","5","6","7","3","1") = "6"
    & skf21("4","5","5","5","6","7","4","1") = "6"
    & skf21("4","5","5","5","6","7","5","1") = "6"
    & skf21("4","5","5","5","6","7","6","1") = "6"
    & skf21("4","5","5","5","6","7","7","1") = "6"
    & skf21("4","5","5","5","7","1","1","1") = "6"
    & skf21("4","5","5","5","7","1","2","1") = "6"
    & skf21("4","5","5","5","7","1","3","1") = "6"
    & skf21("4","5","5","5","7","1","4","1") = "6"
    & skf21("4","5","5","5","7","1","5","1") = "6"
    & skf21("4","5","5","5","7","1","6","1") = "6"
    & skf21("4","5","5","5","7","1","7","1") = "6"
    & skf21("4","5","5","5","7","2","1","1") = "6"
    & skf21("4","5","5","5","7","2","2","1") = "6"
    & skf21("4","5","5","5","7","2","3","1") = "6"
    & skf21("4","5","5","5","7","2","4","1") = "6"
    & skf21("4","5","5","5","7","2","5","1") = "6"
    & skf21("4","5","5","5","7","2","6","1") = "6"
    & skf21("4","5","5","5","7","2","7","1") = "6"
    & skf21("4","5","5","5","7","3","1","1") = "6"
    & skf21("4","5","5","5","7","3","2","1") = "6"
    & skf21("4","5","5","5","7","3","3","1") = "6"
    & skf21("4","5","5","5","7","3","4","1") = "6"
    & skf21("4","5","5","5","7","3","5","1") = "6"
    & skf21("4","5","5","5","7","3","6","1") = "6"
    & skf21("4","5","5","5","7","3","7","1") = "6"
    & skf21("4","5","5","5","7","4","1","1") = "6"
    & skf21("4","5","5","5","7","4","2","1") = "6"
    & skf21("4","5","5","5","7","4","3","1") = "6"
    & skf21("4","5","5","5","7","4","4","1") = "6"
    & skf21("4","5","5","5","7","4","5","1") = "6"
    & skf21("4","5","5","5","7","4","6","1") = "6"
    & skf21("4","5","5","5","7","4","7","1") = "6"
    & skf21("4","5","5","5","7","5","1","1") = "6"
    & skf21("4","5","5","5","7","5","2","1") = "6"
    & skf21("4","5","5","5","7","5","3","1") = "6"
    & skf21("4","5","5","5","7","5","4","1") = "6"
    & skf21("4","5","5","5","7","5","5","1") = "6"
    & skf21("4","5","5","5","7","5","6","1") = "6"
    & skf21("4","5","5","5","7","5","7","1") = "6"
    & skf21("4","5","5","5","7","6","1","1") = "6"
    & skf21("4","5","5","5","7","6","2","1") = "6"
    & skf21("4","5","5","5","7","6","3","1") = "6"
    & skf21("4","5","5","5","7","6","4","1") = "6"
    & skf21("4","5","5","5","7","6","5","1") = "6"
    & skf21("4","5","5","5","7","6","6","1") = "6"
    & skf21("4","5","5","5","7","6","7","1") = "6"
    & skf21("4","5","5","5","7","7","1","1") = "6"
    & skf21("4","5","5","5","7","7","2","1") = "6"
    & skf21("4","5","5","5","7","7","3","1") = "6"
    & skf21("4","5","5","5","7","7","4","1") = "6"
    & skf21("4","5","5","5","7","7","5","1") = "6"
    & skf21("4","5","5","5","7","7","6","1") = "6"
    & skf21("4","5","5","5","7","7","7","1") = "6"
    & skf21("4","5","5","6","1","1","1","1") = "5"
    & skf21("4","5","5","6","1","1","2","1") = "5"
    & skf21("4","5","5","6","1","1","3","1") = "5"
    & skf21("4","5","5","6","1","1","4","1") = "5"
    & skf21("4","5","5","6","1","1","5","1") = "5"
    & skf21("4","5","5","6","1","1","6","1") = "5"
    & skf21("4","5","5","6","1","1","7","1") = "6"
    & skf21("4","5","5","6","1","2","1","1") = "5"
    & skf21("4","5","5","6","1","2","2","1") = "5"
    & skf21("4","5","5","6","1","2","3","1") = "5"
    & skf21("4","5","5","6","1","2","4","1") = "5"
    & skf21("4","5","5","6","1","2","5","1") = "5"
    & skf21("4","5","5","6","1","2","6","1") = "5"
    & skf21("4","5","5","6","1","2","7","1") = "6"
    & skf21("4","5","5","6","1","3","1","1") = "5"
    & skf21("4","5","5","6","1","3","2","1") = "5"
    & skf21("4","5","5","6","1","3","3","1") = "5"
    & skf21("4","5","5","6","1","3","4","1") = "5"
    & skf21("4","5","5","6","1","3","5","1") = "5"
    & skf21("4","5","5","6","1","3","6","1") = "5"
    & skf21("4","5","5","6","1","3","7","1") = "6"
    & skf21("4","5","5","6","1","4","1","1") = "5"
    & skf21("4","5","5","6","1","4","2","1") = "5"
    & skf21("4","5","5","6","1","4","3","1") = "5"
    & skf21("4","5","5","6","1","4","4","1") = "5"
    & skf21("4","5","5","6","1","4","5","1") = "5"
    & skf21("4","5","5","6","1","4","6","1") = "5"
    & skf21("4","5","5","6","1","4","7","1") = "6"
    & skf21("4","5","5","6","1","5","1","1") = "5"
    & skf21("4","5","5","6","1","5","2","1") = "5"
    & skf21("4","5","5","6","1","5","3","1") = "5"
    & skf21("4","5","5","6","1","5","4","1") = "5"
    & skf21("4","5","5","6","1","5","5","1") = "5"
    & skf21("4","5","5","6","1","5","6","1") = "5"
    & skf21("4","5","5","6","1","5","7","1") = "6"
    & skf21("4","5","5","6","1","6","1","1") = "5"
    & skf21("4","5","5","6","1","6","2","1") = "5"
    & skf21("4","5","5","6","1","6","3","1") = "5"
    & skf21("4","5","5","6","1","6","4","1") = "5"
    & skf21("4","5","5","6","1","6","5","1") = "5"
    & skf21("4","5","5","6","1","6","6","1") = "5"
    & skf21("4","5","5","6","1","6","7","1") = "6"
    & skf21("4","5","5","6","1","7","1","1") = "6"
    & skf21("4","5","5","6","1","7","2","1") = "6"
    & skf21("4","5","5","6","1","7","3","1") = "6"
    & skf21("4","5","5","6","1","7","4","1") = "6"
    & skf21("4","5","5","6","1","7","5","1") = "6"
    & skf21("4","5","5","6","1","7","6","1") = "6"
    & skf21("4","5","5","6","1","7","7","1") = "6"
    & skf21("4","5","5","6","2","1","1","1") = "5"
    & skf21("4","5","5","6","2","1","2","1") = "5"
    & skf21("4","5","5","6","2","1","3","1") = "5"
    & skf21("4","5","5","6","2","1","4","1") = "5"
    & skf21("4","5","5","6","2","1","5","1") = "5"
    & skf21("4","5","5","6","2","1","6","1") = "5"
    & skf21("4","5","5","6","2","1","7","1") = "6"
    & skf21("4","5","5","6","2","2","1","1") = "5"
    & skf21("4","5","5","6","2","2","2","1") = "5"
    & skf21("4","5","5","6","2","2","3","1") = "5"
    & skf21("4","5","5","6","2","2","4","1") = "5"
    & skf21("4","5","5","6","2","2","5","1") = "5"
    & skf21("4","5","5","6","2","2","6","1") = "5"
    & skf21("4","5","5","6","2","2","7","1") = "6"
    & skf21("4","5","5","6","2","3","1","1") = "5"
    & skf21("4","5","5","6","2","3","2","1") = "5"
    & skf21("4","5","5","6","2","3","3","1") = "5"
    & skf21("4","5","5","6","2","3","4","1") = "5"
    & skf21("4","5","5","6","2","3","5","1") = "5"
    & skf21("4","5","5","6","2","3","6","1") = "5"
    & skf21("4","5","5","6","2","3","7","1") = "6"
    & skf21("4","5","5","6","2","4","1","1") = "5"
    & skf21("4","5","5","6","2","4","2","1") = "5"
    & skf21("4","5","5","6","2","4","3","1") = "5"
    & skf21("4","5","5","6","2","4","4","1") = "5"
    & skf21("4","5","5","6","2","4","5","1") = "5"
    & skf21("4","5","5","6","2","4","6","1") = "5"
    & skf21("4","5","5","6","2","4","7","1") = "6"
    & skf21("4","5","5","6","2","5","1","1") = "5"
    & skf21("4","5","5","6","2","5","2","1") = "5"
    & skf21("4","5","5","6","2","5","3","1") = "5"
    & skf21("4","5","5","6","2","5","4","1") = "5"
    & skf21("4","5","5","6","2","5","5","1") = "5"
    & skf21("4","5","5","6","2","5","6","1") = "5"
    & skf21("4","5","5","6","2","5","7","1") = "6"
    & skf21("4","5","5","6","2","6","1","1") = "5"
    & skf21("4","5","5","6","2","6","2","1") = "5"
    & skf21("4","5","5","6","2","6","3","1") = "5"
    & skf21("4","5","5","6","2","6","4","1") = "5"
    & skf21("4","5","5","6","2","6","5","1") = "5"
    & skf21("4","5","5","6","2","6","6","1") = "5"
    & skf21("4","5","5","6","2","6","7","1") = "6"
    & skf21("4","5","5","6","2","7","1","1") = "6"
    & skf21("4","5","5","6","2","7","2","1") = "6"
    & skf21("4","5","5","6","2","7","3","1") = "6"
    & skf21("4","5","5","6","2","7","4","1") = "6"
    & skf21("4","5","5","6","2","7","5","1") = "6"
    & skf21("4","5","5","6","2","7","6","1") = "6"
    & skf21("4","5","5","6","2","7","7","1") = "6"
    & skf21("4","5","5","6","3","1","1","1") = "5"
    & skf21("4","5","5","6","3","1","2","1") = "5"
    & skf21("4","5","5","6","3","1","3","1") = "5"
    & skf21("4","5","5","6","3","1","4","1") = "5"
    & skf21("4","5","5","6","3","1","5","1") = "5"
    & skf21("4","5","5","6","3","1","6","1") = "5"
    & skf21("4","5","5","6","3","1","7","1") = "6"
    & skf21("4","5","5","6","3","2","1","1") = "5"
    & skf21("4","5","5","6","3","2","2","1") = "5"
    & skf21("4","5","5","6","3","2","3","1") = "5"
    & skf21("4","5","5","6","3","2","4","1") = "5"
    & skf21("4","5","5","6","3","2","5","1") = "5"
    & skf21("4","5","5","6","3","2","6","1") = "5"
    & skf21("4","5","5","6","3","2","7","1") = "6"
    & skf21("4","5","5","6","3","3","1","1") = "5"
    & skf21("4","5","5","6","3","3","2","1") = "5"
    & skf21("4","5","5","6","3","3","3","1") = "5"
    & skf21("4","5","5","6","3","3","4","1") = "5"
    & skf21("4","5","5","6","3","3","5","1") = "5"
    & skf21("4","5","5","6","3","3","6","1") = "5"
    & skf21("4","5","5","6","3","3","7","1") = "6"
    & skf21("4","5","5","6","3","4","1","1") = "5"
    & skf21("4","5","5","6","3","4","2","1") = "5"
    & skf21("4","5","5","6","3","4","3","1") = "5"
    & skf21("4","5","5","6","3","4","4","1") = "5"
    & skf21("4","5","5","6","3","4","5","1") = "5"
    & skf21("4","5","5","6","3","4","6","1") = "5"
    & skf21("4","5","5","6","3","4","7","1") = "6"
    & skf21("4","5","5","6","3","5","1","1") = "5"
    & skf21("4","5","5","6","3","5","2","1") = "5"
    & skf21("4","5","5","6","3","5","3","1") = "5"
    & skf21("4","5","5","6","3","5","4","1") = "5"
    & skf21("4","5","5","6","3","5","5","1") = "5"
    & skf21("4","5","5","6","3","5","6","1") = "5"
    & skf21("4","5","5","6","3","5","7","1") = "6"
    & skf21("4","5","5","6","3","6","1","1") = "5"
    & skf21("4","5","5","6","3","6","2","1") = "5"
    & skf21("4","5","5","6","3","6","3","1") = "5"
    & skf21("4","5","5","6","3","6","4","1") = "5"
    & skf21("4","5","5","6","3","6","5","1") = "5"
    & skf21("4","5","5","6","3","6","6","1") = "5"
    & skf21("4","5","5","6","3","6","7","1") = "6"
    & skf21("4","5","5","6","3","7","1","1") = "6"
    & skf21("4","5","5","6","3","7","2","1") = "6"
    & skf21("4","5","5","6","3","7","3","1") = "6"
    & skf21("4","5","5","6","3","7","4","1") = "6"
    & skf21("4","5","5","6","3","7","5","1") = "6"
    & skf21("4","5","5","6","3","7","6","1") = "6"
    & skf21("4","5","5","6","3","7","7","1") = "6"
    & skf21("4","5","5","6","4","1","1","1") = "5"
    & skf21("4","5","5","6","4","1","2","1") = "5"
    & skf21("4","5","5","6","4","1","3","1") = "5"
    & skf21("4","5","5","6","4","1","4","1") = "5"
    & skf21("4","5","5","6","4","1","5","1") = "5"
    & skf21("4","5","5","6","4","1","6","1") = "5"
    & skf21("4","5","5","6","4","1","7","1") = "6"
    & skf21("4","5","5","6","4","2","1","1") = "5"
    & skf21("4","5","5","6","4","2","2","1") = "5"
    & skf21("4","5","5","6","4","2","3","1") = "5"
    & skf21("4","5","5","6","4","2","4","1") = "5"
    & skf21("4","5","5","6","4","2","5","1") = "5"
    & skf21("4","5","5","6","4","2","6","1") = "5"
    & skf21("4","5","5","6","4","2","7","1") = "6"
    & skf21("4","5","5","6","4","3","1","1") = "5"
    & skf21("4","5","5","6","4","3","2","1") = "5"
    & skf21("4","5","5","6","4","3","3","1") = "5"
    & skf21("4","5","5","6","4","3","4","1") = "5"
    & skf21("4","5","5","6","4","3","5","1") = "5"
    & skf21("4","5","5","6","4","3","6","1") = "5"
    & skf21("4","5","5","6","4","3","7","1") = "6"
    & skf21("4","5","5","6","4","4","1","1") = "5"
    & skf21("4","5","5","6","4","4","2","1") = "5"
    & skf21("4","5","5","6","4","4","3","1") = "5"
    & skf21("4","5","5","6","4","4","4","1") = "5"
    & skf21("4","5","5","6","4","4","5","1") = "5"
    & skf21("4","5","5","6","4","4","6","1") = "5"
    & skf21("4","5","5","6","4","4","7","1") = "6"
    & skf21("4","5","5","6","4","5","1","1") = "5"
    & skf21("4","5","5","6","4","5","2","1") = "5"
    & skf21("4","5","5","6","4","5","3","1") = "5"
    & skf21("4","5","5","6","4","5","4","1") = "5"
    & skf21("4","5","5","6","4","5","5","1") = "5"
    & skf21("4","5","5","6","4","5","6","1") = "5"
    & skf21("4","5","5","6","4","5","7","1") = "6"
    & skf21("4","5","5","6","4","6","1","1") = "5"
    & skf21("4","5","5","6","4","6","2","1") = "5"
    & skf21("4","5","5","6","4","6","3","1") = "5"
    & skf21("4","5","5","6","4","6","4","1") = "5"
    & skf21("4","5","5","6","4","6","5","1") = "5"
    & skf21("4","5","5","6","4","6","6","1") = "5"
    & skf21("4","5","5","6","4","6","7","1") = "6"
    & skf21("4","5","5","6","4","7","1","1") = "6"
    & skf21("4","5","5","6","4","7","2","1") = "6"
    & skf21("4","5","5","6","4","7","3","1") = "6"
    & skf21("4","5","5","6","4","7","4","1") = "6"
    & skf21("4","5","5","6","4","7","5","1") = "6"
    & skf21("4","5","5","6","4","7","6","1") = "6"
    & skf21("4","5","5","6","4","7","7","1") = "6"
    & skf21("4","5","5","6","5","1","1","1") = "5"
    & skf21("4","5","5","6","5","1","2","1") = "5"
    & skf21("4","5","5","6","5","1","3","1") = "5"
    & skf21("4","5","5","6","5","1","4","1") = "5"
    & skf21("4","5","5","6","5","1","5","1") = "5"
    & skf21("4","5","5","6","5","1","6","1") = "5"
    & skf21("4","5","5","6","5","1","7","1") = "6"
    & skf21("4","5","5","6","5","2","1","1") = "5"
    & skf21("4","5","5","6","5","2","2","1") = "5"
    & skf21("4","5","5","6","5","2","3","1") = "5"
    & skf21("4","5","5","6","5","2","4","1") = "5"
    & skf21("4","5","5","6","5","2","5","1") = "5"
    & skf21("4","5","5","6","5","2","6","1") = "5"
    & skf21("4","5","5","6","5","2","7","1") = "6"
    & skf21("4","5","5","6","5","3","1","1") = "5"
    & skf21("4","5","5","6","5","3","2","1") = "5"
    & skf21("4","5","5","6","5","3","3","1") = "5"
    & skf21("4","5","5","6","5","3","4","1") = "5"
    & skf21("4","5","5","6","5","3","5","1") = "5"
    & skf21("4","5","5","6","5","3","6","1") = "5"
    & skf21("4","5","5","6","5","3","7","1") = "6"
    & skf21("4","5","5","6","5","4","1","1") = "5"
    & skf21("4","5","5","6","5","4","2","1") = "5"
    & skf21("4","5","5","6","5","4","3","1") = "5"
    & skf21("4","5","5","6","5","4","4","1") = "5"
    & skf21("4","5","5","6","5","4","5","1") = "5"
    & skf21("4","5","5","6","5","4","6","1") = "5"
    & skf21("4","5","5","6","5","4","7","1") = "6"
    & skf21("4","5","5","6","5","5","1","1") = "5"
    & skf21("4","5","5","6","5","5","2","1") = "5"
    & skf21("4","5","5","6","5","5","3","1") = "5"
    & skf21("4","5","5","6","5","5","4","1") = "5"
    & skf21("4","5","5","6","5","5","5","1") = "5"
    & skf21("4","5","5","6","5","5","6","1") = "5"
    & skf21("4","5","5","6","5","5","7","1") = "6"
    & skf21("4","5","5","6","5","6","1","1") = "5"
    & skf21("4","5","5","6","5","6","2","1") = "5"
    & skf21("4","5","5","6","5","6","3","1") = "5"
    & skf21("4","5","5","6","5","6","4","1") = "5"
    & skf21("4","5","5","6","5","6","5","1") = "5"
    & skf21("4","5","5","6","5","6","6","1") = "5"
    & skf21("4","5","5","6","5","6","7","1") = "6"
    & skf21("4","5","5","6","5","7","1","1") = "6"
    & skf21("4","5","5","6","5","7","2","1") = "6"
    & skf21("4","5","5","6","5","7","3","1") = "6"
    & skf21("4","5","5","6","5","7","4","1") = "6"
    & skf21("4","5","5","6","5","7","5","1") = "6"
    & skf21("4","5","5","6","5","7","6","1") = "6"
    & skf21("4","5","5","6","5","7","7","1") = "6"
    & skf21("4","5","5","6","6","1","1","1") = "5"
    & skf21("4","5","5","6","6","1","2","1") = "5"
    & skf21("4","5","5","6","6","1","3","1") = "5"
    & skf21("4","5","5","6","6","1","4","1") = "5"
    & skf21("4","5","5","6","6","1","5","1") = "5"
    & skf21("4","5","5","6","6","1","6","1") = "5"
    & skf21("4","5","5","6","6","1","7","1") = "6"
    & skf21("4","5","5","6","6","2","1","1") = "5"
    & skf21("4","5","5","6","6","2","2","1") = "5"
    & skf21("4","5","5","6","6","2","3","1") = "5"
    & skf21("4","5","5","6","6","2","4","1") = "5"
    & skf21("4","5","5","6","6","2","5","1") = "5"
    & skf21("4","5","5","6","6","2","6","1") = "5"
    & skf21("4","5","5","6","6","2","7","1") = "6"
    & skf21("4","5","5","6","6","3","1","1") = "5"
    & skf21("4","5","5","6","6","3","2","1") = "5"
    & skf21("4","5","5","6","6","3","3","1") = "5"
    & skf21("4","5","5","6","6","3","4","1") = "5"
    & skf21("4","5","5","6","6","3","5","1") = "5"
    & skf21("4","5","5","6","6","3","6","1") = "5"
    & skf21("4","5","5","6","6","3","7","1") = "6"
    & skf21("4","5","5","6","6","4","1","1") = "5"
    & skf21("4","5","5","6","6","4","2","1") = "5"
    & skf21("4","5","5","6","6","4","3","1") = "5"
    & skf21("4","5","5","6","6","4","4","1") = "5"
    & skf21("4","5","5","6","6","4","5","1") = "5"
    & skf21("4","5","5","6","6","4","6","1") = "5"
    & skf21("4","5","5","6","6","4","7","1") = "6"
    & skf21("4","5","5","6","6","5","1","1") = "5"
    & skf21("4","5","5","6","6","5","2","1") = "5"
    & skf21("4","5","5","6","6","5","3","1") = "5"
    & skf21("4","5","5","6","6","5","4","1") = "5"
    & skf21("4","5","5","6","6","5","5","1") = "5"
    & skf21("4","5","5","6","6","5","6","1") = "5"
    & skf21("4","5","5","6","6","5","7","1") = "6"
    & skf21("4","5","5","6","6","6","1","1") = "5"
    & skf21("4","5","5","6","6","6","2","1") = "5"
    & skf21("4","5","5","6","6","6","3","1") = "5"
    & skf21("4","5","5","6","6","6","4","1") = "5"
    & skf21("4","5","5","6","6","6","5","1") = "5"
    & skf21("4","5","5","6","6","6","6","1") = "5"
    & skf21("4","5","5","6","6","6","7","1") = "6"
    & skf21("4","5","5","6","6","7","1","1") = "6"
    & skf21("4","5","5","6","6","7","2","1") = "6"
    & skf21("4","5","5","6","6","7","3","1") = "6"
    & skf21("4","5","5","6","6","7","4","1") = "6"
    & skf21("4","5","5","6","6","7","5","1") = "6"
    & skf21("4","5","5","6","6","7","6","1") = "6"
    & skf21("4","5","5","6","6","7","7","1") = "6"
    & skf21("4","5","5","6","7","1","1","1") = "6"
    & skf21("4","5","5","6","7","1","2","1") = "6"
    & skf21("4","5","5","6","7","1","3","1") = "6"
    & skf21("4","5","5","6","7","1","4","1") = "6"
    & skf21("4","5","5","6","7","1","5","1") = "6"
    & skf21("4","5","5","6","7","1","6","1") = "6"
    & skf21("4","5","5","6","7","1","7","1") = "6"
    & skf21("4","5","5","6","7","2","1","1") = "6"
    & skf21("4","5","5","6","7","2","2","1") = "6"
    & skf21("4","5","5","6","7","2","3","1") = "6"
    & skf21("4","5","5","6","7","2","4","1") = "6"
    & skf21("4","5","5","6","7","2","5","1") = "6"
    & skf21("4","5","5","6","7","2","6","1") = "6"
    & skf21("4","5","5","6","7","2","7","1") = "6"
    & skf21("4","5","5","6","7","3","1","1") = "6"
    & skf21("4","5","5","6","7","3","2","1") = "6"
    & skf21("4","5","5","6","7","3","3","1") = "6"
    & skf21("4","5","5","6","7","3","4","1") = "6"
    & skf21("4","5","5","6","7","3","5","1") = "6"
    & skf21("4","5","5","6","7","3","6","1") = "6"
    & skf21("4","5","5","6","7","3","7","1") = "6"
    & skf21("4","5","5","6","7","4","1","1") = "6"
    & skf21("4","5","5","6","7","4","2","1") = "6"
    & skf21("4","5","5","6","7","4","3","1") = "6"
    & skf21("4","5","5","6","7","4","4","1") = "6"
    & skf21("4","5","5","6","7","4","5","1") = "6"
    & skf21("4","5","5","6","7","4","6","1") = "6"
    & skf21("4","5","5","6","7","4","7","1") = "6"
    & skf21("4","5","5","6","7","5","1","1") = "6"
    & skf21("4","5","5","6","7","5","2","1") = "6"
    & skf21("4","5","5","6","7","5","3","1") = "6"
    & skf21("4","5","5","6","7","5","4","1") = "6"
    & skf21("4","5","5","6","7","5","5","1") = "6"
    & skf21("4","5","5","6","7","5","6","1") = "6"
    & skf21("4","5","5","6","7","5","7","1") = "6"
    & skf21("4","5","5","6","7","6","1","1") = "6"
    & skf21("4","5","5","6","7","6","2","1") = "6"
    & skf21("4","5","5","6","7","6","3","1") = "6"
    & skf21("4","5","5","6","7","6","4","1") = "6"
    & skf21("4","5","5","6","7","6","5","1") = "6"
    & skf21("4","5","5","6","7","6","6","1") = "6"
    & skf21("4","5","5","6","7","6","7","1") = "6"
    & skf21("4","5","5","6","7","7","1","1") = "6"
    & skf21("4","5","5","6","7","7","2","1") = "6"
    & skf21("4","5","5","6","7","7","3","1") = "6"
    & skf21("4","5","5","6","7","7","4","1") = "6"
    & skf21("4","5","5","6","7","7","5","1") = "6"
    & skf21("4","5","5","6","7","7","6","1") = "6"
    & skf21("4","5","5","6","7","7","7","1") = "6"
    & skf21("4","5","5","7","1","1","1","1") = "6"
    & skf21("4","5","5","7","1","1","2","1") = "6"
    & skf21("4","5","5","7","1","1","3","1") = "6"
    & skf21("4","5","5","7","1","1","4","1") = "6"
    & skf21("4","5","5","7","1","1","5","1") = "6"
    & skf21("4","5","5","7","1","1","6","1") = "6"
    & skf21("4","5","5","7","1","1","7","1") = "6"
    & skf21("4","5","5","7","1","2","1","1") = "6"
    & skf21("4","5","5","7","1","2","2","1") = "6"
    & skf21("4","5","5","7","1","2","3","1") = "6"
    & skf21("4","5","5","7","1","2","4","1") = "6"
    & skf21("4","5","5","7","1","2","5","1") = "6"
    & skf21("4","5","5","7","1","2","6","1") = "6"
    & skf21("4","5","5","7","1","2","7","1") = "6"
    & skf21("4","5","5","7","1","3","1","1") = "6"
    & skf21("4","5","5","7","1","3","2","1") = "6"
    & skf21("4","5","5","7","1","3","3","1") = "6"
    & skf21("4","5","5","7","1","3","4","1") = "6"
    & skf21("4","5","5","7","1","3","5","1") = "6"
    & skf21("4","5","5","7","1","3","6","1") = "6"
    & skf21("4","5","5","7","1","3","7","1") = "6"
    & skf21("4","5","5","7","1","4","1","1") = "6"
    & skf21("4","5","5","7","1","4","2","1") = "6"
    & skf21("4","5","5","7","1","4","3","1") = "6"
    & skf21("4","5","5","7","1","4","4","1") = "6"
    & skf21("4","5","5","7","1","4","5","1") = "6"
    & skf21("4","5","5","7","1","4","6","1") = "6"
    & skf21("4","5","5","7","1","4","7","1") = "6"
    & skf21("4","5","5","7","1","5","1","1") = "6"
    & skf21("4","5","5","7","1","5","2","1") = "6"
    & skf21("4","5","5","7","1","5","3","1") = "6"
    & skf21("4","5","5","7","1","5","4","1") = "6"
    & skf21("4","5","5","7","1","5","5","1") = "6"
    & skf21("4","5","5","7","1","5","6","1") = "6"
    & skf21("4","5","5","7","1","5","7","1") = "6"
    & skf21("4","5","5","7","1","6","1","1") = "6"
    & skf21("4","5","5","7","1","6","2","1") = "6"
    & skf21("4","5","5","7","1","6","3","1") = "6"
    & skf21("4","5","5","7","1","6","4","1") = "6"
    & skf21("4","5","5","7","1","6","5","1") = "6"
    & skf21("4","5","5","7","1","6","6","1") = "6"
    & skf21("4","5","5","7","1","6","7","1") = "6"
    & skf21("4","5","5","7","1","7","1","1") = "6"
    & skf21("4","5","5","7","1","7","2","1") = "6"
    & skf21("4","5","5","7","1","7","3","1") = "6"
    & skf21("4","5","5","7","1","7","4","1") = "6"
    & skf21("4","5","5","7","1","7","5","1") = "6"
    & skf21("4","5","5","7","1","7","6","1") = "6"
    & skf21("4","5","5","7","1","7","7","1") = "6"
    & skf21("4","5","5","7","2","1","1","1") = "6"
    & skf21("4","5","5","7","2","1","2","1") = "6"
    & skf21("4","5","5","7","2","1","3","1") = "6"
    & skf21("4","5","5","7","2","1","4","1") = "6"
    & skf21("4","5","5","7","2","1","5","1") = "6"
    & skf21("4","5","5","7","2","1","6","1") = "6"
    & skf21("4","5","5","7","2","1","7","1") = "6"
    & skf21("4","5","5","7","2","2","1","1") = "6"
    & skf21("4","5","5","7","2","2","2","1") = "6"
    & skf21("4","5","5","7","2","2","3","1") = "6"
    & skf21("4","5","5","7","2","2","4","1") = "6"
    & skf21("4","5","5","7","2","2","5","1") = "6"
    & skf21("4","5","5","7","2","2","6","1") = "6"
    & skf21("4","5","5","7","2","2","7","1") = "6"
    & skf21("4","5","5","7","2","3","1","1") = "6"
    & skf21("4","5","5","7","2","3","2","1") = "6"
    & skf21("4","5","5","7","2","3","3","1") = "6"
    & skf21("4","5","5","7","2","3","4","1") = "6"
    & skf21("4","5","5","7","2","3","5","1") = "6"
    & skf21("4","5","5","7","2","3","6","1") = "6"
    & skf21("4","5","5","7","2","3","7","1") = "6"
    & skf21("4","5","5","7","2","4","1","1") = "6"
    & skf21("4","5","5","7","2","4","2","1") = "6"
    & skf21("4","5","5","7","2","4","3","1") = "6"
    & skf21("4","5","5","7","2","4","4","1") = "6"
    & skf21("4","5","5","7","2","4","5","1") = "6"
    & skf21("4","5","5","7","2","4","6","1") = "6"
    & skf21("4","5","5","7","2","4","7","1") = "6"
    & skf21("4","5","5","7","2","5","1","1") = "6"
    & skf21("4","5","5","7","2","5","2","1") = "6"
    & skf21("4","5","5","7","2","5","3","1") = "6"
    & skf21("4","5","5","7","2","5","4","1") = "6"
    & skf21("4","5","5","7","2","5","5","1") = "6"
    & skf21("4","5","5","7","2","5","6","1") = "6"
    & skf21("4","5","5","7","2","5","7","1") = "6"
    & skf21("4","5","5","7","2","6","1","1") = "6"
    & skf21("4","5","5","7","2","6","2","1") = "6"
    & skf21("4","5","5","7","2","6","3","1") = "6"
    & skf21("4","5","5","7","2","6","4","1") = "6"
    & skf21("4","5","5","7","2","6","5","1") = "6"
    & skf21("4","5","5","7","2","6","6","1") = "6"
    & skf21("4","5","5","7","2","6","7","1") = "6"
    & skf21("4","5","5","7","2","7","1","1") = "6"
    & skf21("4","5","5","7","2","7","2","1") = "6"
    & skf21("4","5","5","7","2","7","3","1") = "6"
    & skf21("4","5","5","7","2","7","4","1") = "6"
    & skf21("4","5","5","7","2","7","5","1") = "6"
    & skf21("4","5","5","7","2","7","6","1") = "6"
    & skf21("4","5","5","7","2","7","7","1") = "6"
    & skf21("4","5","5","7","3","1","1","1") = "6"
    & skf21("4","5","5","7","3","1","2","1") = "6"
    & skf21("4","5","5","7","3","1","3","1") = "6"
    & skf21("4","5","5","7","3","1","4","1") = "6"
    & skf21("4","5","5","7","3","1","5","1") = "6"
    & skf21("4","5","5","7","3","1","6","1") = "6"
    & skf21("4","5","5","7","3","1","7","1") = "6"
    & skf21("4","5","5","7","3","2","1","1") = "6"
    & skf21("4","5","5","7","3","2","2","1") = "6"
    & skf21("4","5","5","7","3","2","3","1") = "6"
    & skf21("4","5","5","7","3","2","4","1") = "6"
    & skf21("4","5","5","7","3","2","5","1") = "6"
    & skf21("4","5","5","7","3","2","6","1") = "6"
    & skf21("4","5","5","7","3","2","7","1") = "6"
    & skf21("4","5","5","7","3","3","1","1") = "6"
    & skf21("4","5","5","7","3","3","2","1") = "6"
    & skf21("4","5","5","7","3","3","3","1") = "6"
    & skf21("4","5","5","7","3","3","4","1") = "6"
    & skf21("4","5","5","7","3","3","5","1") = "6"
    & skf21("4","5","5","7","3","3","6","1") = "6"
    & skf21("4","5","5","7","3","3","7","1") = "6"
    & skf21("4","5","5","7","3","4","1","1") = "6"
    & skf21("4","5","5","7","3","4","2","1") = "6"
    & skf21("4","5","5","7","3","4","3","1") = "6"
    & skf21("4","5","5","7","3","4","4","1") = "6"
    & skf21("4","5","5","7","3","4","5","1") = "6"
    & skf21("4","5","5","7","3","4","6","1") = "6"
    & skf21("4","5","5","7","3","4","7","1") = "6"
    & skf21("4","5","5","7","3","5","1","1") = "6"
    & skf21("4","5","5","7","3","5","2","1") = "6"
    & skf21("4","5","5","7","3","5","3","1") = "6"
    & skf21("4","5","5","7","3","5","4","1") = "6"
    & skf21("4","5","5","7","3","5","5","1") = "6"
    & skf21("4","5","5","7","3","5","6","1") = "6"
    & skf21("4","5","5","7","3","5","7","1") = "6"
    & skf21("4","5","5","7","3","6","1","1") = "6"
    & skf21("4","5","5","7","3","6","2","1") = "6"
    & skf21("4","5","5","7","3","6","3","1") = "6"
    & skf21("4","5","5","7","3","6","4","1") = "6"
    & skf21("4","5","5","7","3","6","5","1") = "6"
    & skf21("4","5","5","7","3","6","6","1") = "6"
    & skf21("4","5","5","7","3","6","7","1") = "6"
    & skf21("4","5","5","7","3","7","1","1") = "6"
    & skf21("4","5","5","7","3","7","2","1") = "6"
    & skf21("4","5","5","7","3","7","3","1") = "6"
    & skf21("4","5","5","7","3","7","4","1") = "6"
    & skf21("4","5","5","7","3","7","5","1") = "6"
    & skf21("4","5","5","7","3","7","6","1") = "6"
    & skf21("4","5","5","7","3","7","7","1") = "6"
    & skf21("4","5","5","7","4","1","1","1") = "6"
    & skf21("4","5","5","7","4","1","2","1") = "6"
    & skf21("4","5","5","7","4","1","3","1") = "6"
    & skf21("4","5","5","7","4","1","4","1") = "6"
    & skf21("4","5","5","7","4","1","5","1") = "6"
    & skf21("4","5","5","7","4","1","6","1") = "6"
    & skf21("4","5","5","7","4","1","7","1") = "6"
    & skf21("4","5","5","7","4","2","1","1") = "6"
    & skf21("4","5","5","7","4","2","2","1") = "6"
    & skf21("4","5","5","7","4","2","3","1") = "6"
    & skf21("4","5","5","7","4","2","4","1") = "6"
    & skf21("4","5","5","7","4","2","5","1") = "6"
    & skf21("4","5","5","7","4","2","6","1") = "6"
    & skf21("4","5","5","7","4","2","7","1") = "6"
    & skf21("4","5","5","7","4","3","1","1") = "6"
    & skf21("4","5","5","7","4","3","2","1") = "6"
    & skf21("4","5","5","7","4","3","3","1") = "6"
    & skf21("4","5","5","7","4","3","4","1") = "6"
    & skf21("4","5","5","7","4","3","5","1") = "6"
    & skf21("4","5","5","7","4","3","6","1") = "6"
    & skf21("4","5","5","7","4","3","7","1") = "6"
    & skf21("4","5","5","7","4","4","1","1") = "6"
    & skf21("4","5","5","7","4","4","2","1") = "6"
    & skf21("4","5","5","7","4","4","3","1") = "6"
    & skf21("4","5","5","7","4","4","4","1") = "6"
    & skf21("4","5","5","7","4","4","5","1") = "6"
    & skf21("4","5","5","7","4","4","6","1") = "6"
    & skf21("4","5","5","7","4","4","7","1") = "6"
    & skf21("4","5","5","7","4","5","1","1") = "6"
    & skf21("4","5","5","7","4","5","2","1") = "6"
    & skf21("4","5","5","7","4","5","3","1") = "6"
    & skf21("4","5","5","7","4","5","4","1") = "6"
    & skf21("4","5","5","7","4","5","5","1") = "6"
    & skf21("4","5","5","7","4","5","6","1") = "6"
    & skf21("4","5","5","7","4","5","7","1") = "6"
    & skf21("4","5","5","7","4","6","1","1") = "6"
    & skf21("4","5","5","7","4","6","2","1") = "6"
    & skf21("4","5","5","7","4","6","3","1") = "6"
    & skf21("4","5","5","7","4","6","4","1") = "6"
    & skf21("4","5","5","7","4","6","5","1") = "6"
    & skf21("4","5","5","7","4","6","6","1") = "6"
    & skf21("4","5","5","7","4","6","7","1") = "6"
    & skf21("4","5","5","7","4","7","1","1") = "6"
    & skf21("4","5","5","7","4","7","2","1") = "6"
    & skf21("4","5","5","7","4","7","3","1") = "6"
    & skf21("4","5","5","7","4","7","4","1") = "6"
    & skf21("4","5","5","7","4","7","5","1") = "6"
    & skf21("4","5","5","7","4","7","6","1") = "6"
    & skf21("4","5","5","7","4","7","7","1") = "6"
    & skf21("4","5","5","7","5","1","1","1") = "6"
    & skf21("4","5","5","7","5","1","2","1") = "6"
    & skf21("4","5","5","7","5","1","3","1") = "6"
    & skf21("4","5","5","7","5","1","4","1") = "6"
    & skf21("4","5","5","7","5","1","5","1") = "6"
    & skf21("4","5","5","7","5","1","6","1") = "6"
    & skf21("4","5","5","7","5","1","7","1") = "6"
    & skf21("4","5","5","7","5","2","1","1") = "6"
    & skf21("4","5","5","7","5","2","2","1") = "6"
    & skf21("4","5","5","7","5","2","3","1") = "6"
    & skf21("4","5","5","7","5","2","4","1") = "6"
    & skf21("4","5","5","7","5","2","5","1") = "6"
    & skf21("4","5","5","7","5","2","6","1") = "6"
    & skf21("4","5","5","7","5","2","7","1") = "6"
    & skf21("4","5","5","7","5","3","1","1") = "6"
    & skf21("4","5","5","7","5","3","2","1") = "6"
    & skf21("4","5","5","7","5","3","3","1") = "6"
    & skf21("4","5","5","7","5","3","4","1") = "6"
    & skf21("4","5","5","7","5","3","5","1") = "6"
    & skf21("4","5","5","7","5","3","6","1") = "6"
    & skf21("4","5","5","7","5","3","7","1") = "6"
    & skf21("4","5","5","7","5","4","1","1") = "6"
    & skf21("4","5","5","7","5","4","2","1") = "6"
    & skf21("4","5","5","7","5","4","3","1") = "6"
    & skf21("4","5","5","7","5","4","4","1") = "6"
    & skf21("4","5","5","7","5","4","5","1") = "6"
    & skf21("4","5","5","7","5","4","6","1") = "6"
    & skf21("4","5","5","7","5","4","7","1") = "6"
    & skf21("4","5","5","7","5","5","1","1") = "6"
    & skf21("4","5","5","7","5","5","2","1") = "6"
    & skf21("4","5","5","7","5","5","3","1") = "6"
    & skf21("4","5","5","7","5","5","4","1") = "6"
    & skf21("4","5","5","7","5","5","5","1") = "6"
    & skf21("4","5","5","7","5","5","6","1") = "6"
    & skf21("4","5","5","7","5","5","7","1") = "6"
    & skf21("4","5","5","7","5","6","1","1") = "6"
    & skf21("4","5","5","7","5","6","2","1") = "6"
    & skf21("4","5","5","7","5","6","3","1") = "6"
    & skf21("4","5","5","7","5","6","4","1") = "6"
    & skf21("4","5","5","7","5","6","5","1") = "6"
    & skf21("4","5","5","7","5","6","6","1") = "6"
    & skf21("4","5","5","7","5","6","7","1") = "6"
    & skf21("4","5","5","7","5","7","1","1") = "6"
    & skf21("4","5","5","7","5","7","2","1") = "6"
    & skf21("4","5","5","7","5","7","3","1") = "6"
    & skf21("4","5","5","7","5","7","4","1") = "6"
    & skf21("4","5","5","7","5","7","5","1") = "6"
    & skf21("4","5","5","7","5","7","6","1") = "6"
    & skf21("4","5","5","7","5","7","7","1") = "6"
    & skf21("4","5","5","7","6","1","1","1") = "6"
    & skf21("4","5","5","7","6","1","2","1") = "6"
    & skf21("4","5","5","7","6","1","3","1") = "6"
    & skf21("4","5","5","7","6","1","4","1") = "6"
    & skf21("4","5","5","7","6","1","5","1") = "6"
    & skf21("4","5","5","7","6","1","6","1") = "6"
    & skf21("4","5","5","7","6","1","7","1") = "6"
    & skf21("4","5","5","7","6","2","1","1") = "6"
    & skf21("4","5","5","7","6","2","2","1") = "6"
    & skf21("4","5","5","7","6","2","3","1") = "6"
    & skf21("4","5","5","7","6","2","4","1") = "6"
    & skf21("4","5","5","7","6","2","5","1") = "6"
    & skf21("4","5","5","7","6","2","6","1") = "6"
    & skf21("4","5","5","7","6","2","7","1") = "6"
    & skf21("4","5","5","7","6","3","1","1") = "6"
    & skf21("4","5","5","7","6","3","2","1") = "6"
    & skf21("4","5","5","7","6","3","3","1") = "6"
    & skf21("4","5","5","7","6","3","4","1") = "6"
    & skf21("4","5","5","7","6","3","5","1") = "6"
    & skf21("4","5","5","7","6","3","6","1") = "6"
    & skf21("4","5","5","7","6","3","7","1") = "6"
    & skf21("4","5","5","7","6","4","1","1") = "6"
    & skf21("4","5","5","7","6","4","2","1") = "6"
    & skf21("4","5","5","7","6","4","3","1") = "6"
    & skf21("4","5","5","7","6","4","4","1") = "6"
    & skf21("4","5","5","7","6","4","5","1") = "6"
    & skf21("4","5","5","7","6","4","6","1") = "6"
    & skf21("4","5","5","7","6","4","7","1") = "6"
    & skf21("4","5","5","7","6","5","1","1") = "6"
    & skf21("4","5","5","7","6","5","2","1") = "6"
    & skf21("4","5","5","7","6","5","3","1") = "6"
    & skf21("4","5","5","7","6","5","4","1") = "6"
    & skf21("4","5","5","7","6","5","5","1") = "6"
    & skf21("4","5","5","7","6","5","6","1") = "6"
    & skf21("4","5","5","7","6","5","7","1") = "6"
    & skf21("4","5","5","7","6","6","1","1") = "6"
    & skf21("4","5","5","7","6","6","2","1") = "6"
    & skf21("4","5","5","7","6","6","3","1") = "6"
    & skf21("4","5","5","7","6","6","4","1") = "6"
    & skf21("4","5","5","7","6","6","5","1") = "6"
    & skf21("4","5","5","7","6","6","6","1") = "6"
    & skf21("4","5","5","7","6","6","7","1") = "6"
    & skf21("4","5","5","7","6","7","1","1") = "6"
    & skf21("4","5","5","7","6","7","2","1") = "6"
    & skf21("4","5","5","7","6","7","3","1") = "6"
    & skf21("4","5","5","7","6","7","4","1") = "6"
    & skf21("4","5","5","7","6","7","5","1") = "6"
    & skf21("4","5","5","7","6","7","6","1") = "6"
    & skf21("4","5","5","7","6","7","7","1") = "6"
    & skf21("4","5","5","7","7","1","1","1") = "6"
    & skf21("4","5","5","7","7","1","2","1") = "6"
    & skf21("4","5","5","7","7","1","3","1") = "6"
    & skf21("4","5","5","7","7","1","4","1") = "6"
    & skf21("4","5","5","7","7","1","5","1") = "6"
    & skf21("4","5","5","7","7","1","6","1") = "6"
    & skf21("4","5","5","7","7","1","7","1") = "6"
    & skf21("4","5","5","7","7","2","1","1") = "6"
    & skf21("4","5","5","7","7","2","2","1") = "6"
    & skf21("4","5","5","7","7","2","3","1") = "6"
    & skf21("4","5","5","7","7","2","4","1") = "6"
    & skf21("4","5","5","7","7","2","5","1") = "6"
    & skf21("4","5","5","7","7","2","6","1") = "6"
    & skf21("4","5","5","7","7","2","7","1") = "6"
    & skf21("4","5","5","7","7","3","1","1") = "6"
    & skf21("4","5","5","7","7","3","2","1") = "6"
    & skf21("4","5","5","7","7","3","3","1") = "6"
    & skf21("4","5","5","7","7","3","4","1") = "6"
    & skf21("4","5","5","7","7","3","5","1") = "6"
    & skf21("4","5","5","7","7","3","6","1") = "6"
    & skf21("4","5","5","7","7","3","7","1") = "6"
    & skf21("4","5","5","7","7","4","1","1") = "6"
    & skf21("4","5","5","7","7","4","2","1") = "6"
    & skf21("4","5","5","7","7","4","3","1") = "6"
    & skf21("4","5","5","7","7","4","4","1") = "6"
    & skf21("4","5","5","7","7","4","5","1") = "6"
    & skf21("4","5","5","7","7","4","6","1") = "6"
    & skf21("4","5","5","7","7","4","7","1") = "6"
    & skf21("4","5","5","7","7","5","1","1") = "6"
    & skf21("4","5","5","7","7","5","2","1") = "6"
    & skf21("4","5","5","7","7","5","3","1") = "6"
    & skf21("4","5","5","7","7","5","4","1") = "6"
    & skf21("4","5","5","7","7","5","5","1") = "6"
    & skf21("4","5","5","7","7","5","6","1") = "6"
    & skf21("4","5","5","7","7","5","7","1") = "6"
    & skf21("4","5","5","7","7","6","1","1") = "6"
    & skf21("4","5","5","7","7","6","2","1") = "6"
    & skf21("4","5","5","7","7","6","3","1") = "6"
    & skf21("4","5","5","7","7","6","4","1") = "6"
    & skf21("4","5","5","7","7","6","5","1") = "6"
    & skf21("4","5","5","7","7","6","6","1") = "6"
    & skf21("4","5","5","7","7","6","7","1") = "6"
    & skf21("4","5","5","7","7","7","1","1") = "6"
    & skf21("4","5","5","7","7","7","2","1") = "6"
    & skf21("4","5","5","7","7","7","3","1") = "6"
    & skf21("4","5","5","7","7","7","4","1") = "6"
    & skf21("4","5","5","7","7","7","5","1") = "6"
    & skf21("4","5","5","7","7","7","6","1") = "6"
    & skf21("4","5","5","7","7","7","7","1") = "6"
    & skf21("4","5","6","1","1","1","1","1") = "5"
    & skf21("4","5","6","1","1","1","2","1") = "5"
    & skf21("4","5","6","1","1","1","3","1") = "5"
    & skf21("4","5","6","1","1","1","4","1") = "5"
    & skf21("4","5","6","1","1","1","5","1") = "5"
    & skf21("4","5","6","1","1","1","6","1") = "5"
    & skf21("4","5","6","1","1","1","7","1") = "6"
    & skf21("4","5","6","1","1","2","1","1") = "5"
    & skf21("4","5","6","1","1","2","2","1") = "5"
    & skf21("4","5","6","1","1","2","3","1") = "5"
    & skf21("4","5","6","1","1","2","4","1") = "5"
    & skf21("4","5","6","1","1","2","5","1") = "5"
    & skf21("4","5","6","1","1","2","6","1") = "5"
    & skf21("4","5","6","1","1","2","7","1") = "6"
    & skf21("4","5","6","1","1","3","1","1") = "5"
    & skf21("4","5","6","1","1","3","2","1") = "5"
    & skf21("4","5","6","1","1","3","3","1") = "5"
    & skf21("4","5","6","1","1","3","4","1") = "5"
    & skf21("4","5","6","1","1","3","5","1") = "5"
    & skf21("4","5","6","1","1","3","6","1") = "5"
    & skf21("4","5","6","1","1","3","7","1") = "6"
    & skf21("4","5","6","1","1","4","1","1") = "5"
    & skf21("4","5","6","1","1","4","2","1") = "5"
    & skf21("4","5","6","1","1","4","3","1") = "5"
    & skf21("4","5","6","1","1","4","4","1") = "5"
    & skf21("4","5","6","1","1","4","5","1") = "5"
    & skf21("4","5","6","1","1","4","6","1") = "5"
    & skf21("4","5","6","1","1","4","7","1") = "6"
    & skf21("4","5","6","1","1","5","1","1") = "5"
    & skf21("4","5","6","1","1","5","2","1") = "5"
    & skf21("4","5","6","1","1","5","3","1") = "5"
    & skf21("4","5","6","1","1","5","4","1") = "5"
    & skf21("4","5","6","1","1","5","5","1") = "5"
    & skf21("4","5","6","1","1","5","6","1") = "5"
    & skf21("4","5","6","1","1","5","7","1") = "6"
    & skf21("4","5","6","1","1","6","1","1") = "5"
    & skf21("4","5","6","1","1","6","2","1") = "5"
    & skf21("4","5","6","1","1","6","3","1") = "5"
    & skf21("4","5","6","1","1","6","4","1") = "5"
    & skf21("4","5","6","1","1","6","5","1") = "5"
    & skf21("4","5","6","1","1","6","6","1") = "5"
    & skf21("4","5","6","1","1","6","7","1") = "6"
    & skf21("4","5","6","1","1","7","1","1") = "6"
    & skf21("4","5","6","1","1","7","2","1") = "6"
    & skf21("4","5","6","1","1","7","3","1") = "6"
    & skf21("4","5","6","1","1","7","4","1") = "6"
    & skf21("4","5","6","1","1","7","5","1") = "6"
    & skf21("4","5","6","1","1","7","6","1") = "6"
    & skf21("4","5","6","1","1","7","7","1") = "6"
    & skf21("4","5","6","1","2","1","1","1") = "5"
    & skf21("4","5","6","1","2","1","2","1") = "5"
    & skf21("4","5","6","1","2","1","3","1") = "5"
    & skf21("4","5","6","1","2","1","4","1") = "5"
    & skf21("4","5","6","1","2","1","5","1") = "5"
    & skf21("4","5","6","1","2","1","6","1") = "5"
    & skf21("4","5","6","1","2","1","7","1") = "6"
    & skf21("4","5","6","1","2","2","1","1") = "5"
    & skf21("4","5","6","1","2","2","2","1") = "5"
    & skf21("4","5","6","1","2","2","3","1") = "5"
    & skf21("4","5","6","1","2","2","4","1") = "5"
    & skf21("4","5","6","1","2","2","5","1") = "5"
    & skf21("4","5","6","1","2","2","6","1") = "5"
    & skf21("4","5","6","1","2","2","7","1") = "6"
    & skf21("4","5","6","1","2","3","1","1") = "5"
    & skf21("4","5","6","1","2","3","2","1") = "5"
    & skf21("4","5","6","1","2","3","3","1") = "5"
    & skf21("4","5","6","1","2","3","4","1") = "5"
    & skf21("4","5","6","1","2","3","5","1") = "5"
    & skf21("4","5","6","1","2","3","6","1") = "5"
    & skf21("4","5","6","1","2","3","7","1") = "6"
    & skf21("4","5","6","1","2","4","1","1") = "5"
    & skf21("4","5","6","1","2","4","2","1") = "5"
    & skf21("4","5","6","1","2","4","3","1") = "5"
    & skf21("4","5","6","1","2","4","4","1") = "5"
    & skf21("4","5","6","1","2","4","5","1") = "5"
    & skf21("4","5","6","1","2","4","6","1") = "5"
    & skf21("4","5","6","1","2","4","7","1") = "6"
    & skf21("4","5","6","1","2","5","1","1") = "5"
    & skf21("4","5","6","1","2","5","2","1") = "5"
    & skf21("4","5","6","1","2","5","3","1") = "5"
    & skf21("4","5","6","1","2","5","4","1") = "5"
    & skf21("4","5","6","1","2","5","5","1") = "5"
    & skf21("4","5","6","1","2","5","6","1") = "5"
    & skf21("4","5","6","1","2","5","7","1") = "6"
    & skf21("4","5","6","1","2","6","1","1") = "5"
    & skf21("4","5","6","1","2","6","2","1") = "5"
    & skf21("4","5","6","1","2","6","3","1") = "5"
    & skf21("4","5","6","1","2","6","4","1") = "5"
    & skf21("4","5","6","1","2","6","5","1") = "5"
    & skf21("4","5","6","1","2","6","6","1") = "5"
    & skf21("4","5","6","1","2","6","7","1") = "6"
    & skf21("4","5","6","1","2","7","1","1") = "6"
    & skf21("4","5","6","1","2","7","2","1") = "6"
    & skf21("4","5","6","1","2","7","3","1") = "6"
    & skf21("4","5","6","1","2","7","4","1") = "6"
    & skf21("4","5","6","1","2","7","5","1") = "6"
    & skf21("4","5","6","1","2","7","6","1") = "6"
    & skf21("4","5","6","1","2","7","7","1") = "6"
    & skf21("4","5","6","1","3","1","1","1") = "5"
    & skf21("4","5","6","1","3","1","2","1") = "5"
    & skf21("4","5","6","1","3","1","3","1") = "5"
    & skf21("4","5","6","1","3","1","4","1") = "5"
    & skf21("4","5","6","1","3","1","5","1") = "5"
    & skf21("4","5","6","1","3","1","6","1") = "5"
    & skf21("4","5","6","1","3","1","7","1") = "6"
    & skf21("4","5","6","1","3","2","1","1") = "5"
    & skf21("4","5","6","1","3","2","2","1") = "5"
    & skf21("4","5","6","1","3","2","3","1") = "5"
    & skf21("4","5","6","1","3","2","4","1") = "5"
    & skf21("4","5","6","1","3","2","5","1") = "5"
    & skf21("4","5","6","1","3","2","6","1") = "5"
    & skf21("4","5","6","1","3","2","7","1") = "6"
    & skf21("4","5","6","1","3","3","1","1") = "5"
    & skf21("4","5","6","1","3","3","2","1") = "5"
    & skf21("4","5","6","1","3","3","3","1") = "5"
    & skf21("4","5","6","1","3","3","4","1") = "5"
    & skf21("4","5","6","1","3","3","5","1") = "5"
    & skf21("4","5","6","1","3","3","6","1") = "5"
    & skf21("4","5","6","1","3","3","7","1") = "6"
    & skf21("4","5","6","1","3","4","1","1") = "5"
    & skf21("4","5","6","1","3","4","2","1") = "5"
    & skf21("4","5","6","1","3","4","3","1") = "5"
    & skf21("4","5","6","1","3","4","4","1") = "5"
    & skf21("4","5","6","1","3","4","5","1") = "5"
    & skf21("4","5","6","1","3","4","6","1") = "5"
    & skf21("4","5","6","1","3","4","7","1") = "6"
    & skf21("4","5","6","1","3","5","1","1") = "5"
    & skf21("4","5","6","1","3","5","2","1") = "5"
    & skf21("4","5","6","1","3","5","3","1") = "5"
    & skf21("4","5","6","1","3","5","4","1") = "5"
    & skf21("4","5","6","1","3","5","5","1") = "5"
    & skf21("4","5","6","1","3","5","6","1") = "5"
    & skf21("4","5","6","1","3","5","7","1") = "6"
    & skf21("4","5","6","1","3","6","1","1") = "5"
    & skf21("4","5","6","1","3","6","2","1") = "5"
    & skf21("4","5","6","1","3","6","3","1") = "5"
    & skf21("4","5","6","1","3","6","4","1") = "5"
    & skf21("4","5","6","1","3","6","5","1") = "5"
    & skf21("4","5","6","1","3","6","6","1") = "5"
    & skf21("4","5","6","1","3","6","7","1") = "6"
    & skf21("4","5","6","1","3","7","1","1") = "6"
    & skf21("4","5","6","1","3","7","2","1") = "6"
    & skf21("4","5","6","1","3","7","3","1") = "6"
    & skf21("4","5","6","1","3","7","4","1") = "6"
    & skf21("4","5","6","1","3","7","5","1") = "6"
    & skf21("4","5","6","1","3","7","6","1") = "6"
    & skf21("4","5","6","1","3","7","7","1") = "6"
    & skf21("4","5","6","1","4","1","1","1") = "5"
    & skf21("4","5","6","1","4","1","2","1") = "5"
    & skf21("4","5","6","1","4","1","3","1") = "5"
    & skf21("4","5","6","1","4","1","4","1") = "5"
    & skf21("4","5","6","1","4","1","5","1") = "5"
    & skf21("4","5","6","1","4","1","6","1") = "5"
    & skf21("4","5","6","1","4","1","7","1") = "6"
    & skf21("4","5","6","1","4","2","1","1") = "5"
    & skf21("4","5","6","1","4","2","2","1") = "5"
    & skf21("4","5","6","1","4","2","3","1") = "5"
    & skf21("4","5","6","1","4","2","4","1") = "5"
    & skf21("4","5","6","1","4","2","5","1") = "5"
    & skf21("4","5","6","1","4","2","6","1") = "5"
    & skf21("4","5","6","1","4","2","7","1") = "6"
    & skf21("4","5","6","1","4","3","1","1") = "5"
    & skf21("4","5","6","1","4","3","2","1") = "5"
    & skf21("4","5","6","1","4","3","3","1") = "5"
    & skf21("4","5","6","1","4","3","4","1") = "5"
    & skf21("4","5","6","1","4","3","5","1") = "5"
    & skf21("4","5","6","1","4","3","6","1") = "5"
    & skf21("4","5","6","1","4","3","7","1") = "6"
    & skf21("4","5","6","1","4","4","1","1") = "5"
    & skf21("4","5","6","1","4","4","2","1") = "5"
    & skf21("4","5","6","1","4","4","3","1") = "5"
    & skf21("4","5","6","1","4","4","4","1") = "5"
    & skf21("4","5","6","1","4","4","5","1") = "5"
    & skf21("4","5","6","1","4","4","6","1") = "5"
    & skf21("4","5","6","1","4","4","7","1") = "6"
    & skf21("4","5","6","1","4","5","1","1") = "5"
    & skf21("4","5","6","1","4","5","2","1") = "5"
    & skf21("4","5","6","1","4","5","3","1") = "5"
    & skf21("4","5","6","1","4","5","4","1") = "5"
    & skf21("4","5","6","1","4","5","5","1") = "5"
    & skf21("4","5","6","1","4","5","6","1") = "5"
    & skf21("4","5","6","1","4","5","7","1") = "6"
    & skf21("4","5","6","1","4","6","1","1") = "5"
    & skf21("4","5","6","1","4","6","2","1") = "5"
    & skf21("4","5","6","1","4","6","3","1") = "5"
    & skf21("4","5","6","1","4","6","4","1") = "5"
    & skf21("4","5","6","1","4","6","5","1") = "5"
    & skf21("4","5","6","1","4","6","6","1") = "5"
    & skf21("4","5","6","1","4","6","7","1") = "6"
    & skf21("4","5","6","1","4","7","1","1") = "6"
    & skf21("4","5","6","1","4","7","2","1") = "6"
    & skf21("4","5","6","1","4","7","3","1") = "6"
    & skf21("4","5","6","1","4","7","4","1") = "6"
    & skf21("4","5","6","1","4","7","5","1") = "6"
    & skf21("4","5","6","1","4","7","6","1") = "6"
    & skf21("4","5","6","1","4","7","7","1") = "6"
    & skf21("4","5","6","1","5","1","1","1") = "5"
    & skf21("4","5","6","1","5","1","2","1") = "5"
    & skf21("4","5","6","1","5","1","3","1") = "5"
    & skf21("4","5","6","1","5","1","4","1") = "5"
    & skf21("4","5","6","1","5","1","5","1") = "5"
    & skf21("4","5","6","1","5","1","6","1") = "5"
    & skf21("4","5","6","1","5","1","7","1") = "6"
    & skf21("4","5","6","1","5","2","1","1") = "5"
    & skf21("4","5","6","1","5","2","2","1") = "5"
    & skf21("4","5","6","1","5","2","3","1") = "5"
    & skf21("4","5","6","1","5","2","4","1") = "5"
    & skf21("4","5","6","1","5","2","5","1") = "5"
    & skf21("4","5","6","1","5","2","6","1") = "5"
    & skf21("4","5","6","1","5","2","7","1") = "6"
    & skf21("4","5","6","1","5","3","1","1") = "5"
    & skf21("4","5","6","1","5","3","2","1") = "5"
    & skf21("4","5","6","1","5","3","3","1") = "5"
    & skf21("4","5","6","1","5","3","4","1") = "5"
    & skf21("4","5","6","1","5","3","5","1") = "5"
    & skf21("4","5","6","1","5","3","6","1") = "5"
    & skf21("4","5","6","1","5","3","7","1") = "6"
    & skf21("4","5","6","1","5","4","1","1") = "5"
    & skf21("4","5","6","1","5","4","2","1") = "5"
    & skf21("4","5","6","1","5","4","3","1") = "5"
    & skf21("4","5","6","1","5","4","4","1") = "5"
    & skf21("4","5","6","1","5","4","5","1") = "5"
    & skf21("4","5","6","1","5","4","6","1") = "5"
    & skf21("4","5","6","1","5","4","7","1") = "6"
    & skf21("4","5","6","1","5","5","1","1") = "5"
    & skf21("4","5","6","1","5","5","2","1") = "5"
    & skf21("4","5","6","1","5","5","3","1") = "5"
    & skf21("4","5","6","1","5","5","4","1") = "5"
    & skf21("4","5","6","1","5","5","5","1") = "5"
    & skf21("4","5","6","1","5","5","6","1") = "5"
    & skf21("4","5","6","1","5","5","7","1") = "6"
    & skf21("4","5","6","1","5","6","1","1") = "5"
    & skf21("4","5","6","1","5","6","2","1") = "5"
    & skf21("4","5","6","1","5","6","3","1") = "5"
    & skf21("4","5","6","1","5","6","4","1") = "5"
    & skf21("4","5","6","1","5","6","5","1") = "5"
    & skf21("4","5","6","1","5","6","6","1") = "5"
    & skf21("4","5","6","1","5","6","7","1") = "6"
    & skf21("4","5","6","1","5","7","1","1") = "6"
    & skf21("4","5","6","1","5","7","2","1") = "6"
    & skf21("4","5","6","1","5","7","3","1") = "6"
    & skf21("4","5","6","1","5","7","4","1") = "6"
    & skf21("4","5","6","1","5","7","5","1") = "6"
    & skf21("4","5","6","1","5","7","6","1") = "6"
    & skf21("4","5","6","1","5","7","7","1") = "6"
    & skf21("4","5","6","1","6","1","1","1") = "5"
    & skf21("4","5","6","1","6","1","2","1") = "5"
    & skf21("4","5","6","1","6","1","3","1") = "5"
    & skf21("4","5","6","1","6","1","4","1") = "5"
    & skf21("4","5","6","1","6","1","5","1") = "5"
    & skf21("4","5","6","1","6","1","6","1") = "5"
    & skf21("4","5","6","1","6","1","7","1") = "6"
    & skf21("4","5","6","1","6","2","1","1") = "5"
    & skf21("4","5","6","1","6","2","2","1") = "5"
    & skf21("4","5","6","1","6","2","3","1") = "5"
    & skf21("4","5","6","1","6","2","4","1") = "5"
    & skf21("4","5","6","1","6","2","5","1") = "5"
    & skf21("4","5","6","1","6","2","6","1") = "5"
    & skf21("4","5","6","1","6","2","7","1") = "6"
    & skf21("4","5","6","1","6","3","1","1") = "5"
    & skf21("4","5","6","1","6","3","2","1") = "5"
    & skf21("4","5","6","1","6","3","3","1") = "5"
    & skf21("4","5","6","1","6","3","4","1") = "5"
    & skf21("4","5","6","1","6","3","5","1") = "5"
    & skf21("4","5","6","1","6","3","6","1") = "5"
    & skf21("4","5","6","1","6","3","7","1") = "6"
    & skf21("4","5","6","1","6","4","1","1") = "5"
    & skf21("4","5","6","1","6","4","2","1") = "5"
    & skf21("4","5","6","1","6","4","3","1") = "5"
    & skf21("4","5","6","1","6","4","4","1") = "5"
    & skf21("4","5","6","1","6","4","5","1") = "5"
    & skf21("4","5","6","1","6","4","6","1") = "5"
    & skf21("4","5","6","1","6","4","7","1") = "6"
    & skf21("4","5","6","1","6","5","1","1") = "5"
    & skf21("4","5","6","1","6","5","2","1") = "5"
    & skf21("4","5","6","1","6","5","3","1") = "5"
    & skf21("4","5","6","1","6","5","4","1") = "5"
    & skf21("4","5","6","1","6","5","5","1") = "5"
    & skf21("4","5","6","1","6","5","6","1") = "5"
    & skf21("4","5","6","1","6","5","7","1") = "6"
    & skf21("4","5","6","1","6","6","1","1") = "5"
    & skf21("4","5","6","1","6","6","2","1") = "5"
    & skf21("4","5","6","1","6","6","3","1") = "5"
    & skf21("4","5","6","1","6","6","4","1") = "5"
    & skf21("4","5","6","1","6","6","5","1") = "5"
    & skf21("4","5","6","1","6","6","6","1") = "5"
    & skf21("4","5","6","1","6","6","7","1") = "6"
    & skf21("4","5","6","1","6","7","1","1") = "6"
    & skf21("4","5","6","1","6","7","2","1") = "6"
    & skf21("4","5","6","1","6","7","3","1") = "6"
    & skf21("4","5","6","1","6","7","4","1") = "6"
    & skf21("4","5","6","1","6","7","5","1") = "6"
    & skf21("4","5","6","1","6","7","6","1") = "6"
    & skf21("4","5","6","1","6","7","7","1") = "6"
    & skf21("4","5","6","1","7","1","1","1") = "6"
    & skf21("4","5","6","1","7","1","2","1") = "6"
    & skf21("4","5","6","1","7","1","3","1") = "6"
    & skf21("4","5","6","1","7","1","4","1") = "6"
    & skf21("4","5","6","1","7","1","5","1") = "6"
    & skf21("4","5","6","1","7","1","6","1") = "6"
    & skf21("4","5","6","1","7","1","7","1") = "6"
    & skf21("4","5","6","1","7","2","1","1") = "6"
    & skf21("4","5","6","1","7","2","2","1") = "6"
    & skf21("4","5","6","1","7","2","3","1") = "6"
    & skf21("4","5","6","1","7","2","4","1") = "6"
    & skf21("4","5","6","1","7","2","5","1") = "6"
    & skf21("4","5","6","1","7","2","6","1") = "6"
    & skf21("4","5","6","1","7","2","7","1") = "6"
    & skf21("4","5","6","1","7","3","1","1") = "6"
    & skf21("4","5","6","1","7","3","2","1") = "6"
    & skf21("4","5","6","1","7","3","3","1") = "6"
    & skf21("4","5","6","1","7","3","4","1") = "6"
    & skf21("4","5","6","1","7","3","5","1") = "6"
    & skf21("4","5","6","1","7","3","6","1") = "6"
    & skf21("4","5","6","1","7","3","7","1") = "6"
    & skf21("4","5","6","1","7","4","1","1") = "6"
    & skf21("4","5","6","1","7","4","2","1") = "6"
    & skf21("4","5","6","1","7","4","3","1") = "6"
    & skf21("4","5","6","1","7","4","4","1") = "6"
    & skf21("4","5","6","1","7","4","5","1") = "6"
    & skf21("4","5","6","1","7","4","6","1") = "6"
    & skf21("4","5","6","1","7","4","7","1") = "6"
    & skf21("4","5","6","1","7","5","1","1") = "6"
    & skf21("4","5","6","1","7","5","2","1") = "6"
    & skf21("4","5","6","1","7","5","3","1") = "6"
    & skf21("4","5","6","1","7","5","4","1") = "6"
    & skf21("4","5","6","1","7","5","5","1") = "6"
    & skf21("4","5","6","1","7","5","6","1") = "6"
    & skf21("4","5","6","1","7","5","7","1") = "6"
    & skf21("4","5","6","1","7","6","1","1") = "6"
    & skf21("4","5","6","1","7","6","2","1") = "6"
    & skf21("4","5","6","1","7","6","3","1") = "6"
    & skf21("4","5","6","1","7","6","4","1") = "6"
    & skf21("4","5","6","1","7","6","5","1") = "6"
    & skf21("4","5","6","1","7","6","6","1") = "6"
    & skf21("4","5","6","1","7","6","7","1") = "6"
    & skf21("4","5","6","1","7","7","1","1") = "6"
    & skf21("4","5","6","1","7","7","2","1") = "6"
    & skf21("4","5","6","1","7","7","3","1") = "6"
    & skf21("4","5","6","1","7","7","4","1") = "6"
    & skf21("4","5","6","1","7","7","5","1") = "6"
    & skf21("4","5","6","1","7","7","6","1") = "6"
    & skf21("4","5","6","1","7","7","7","1") = "6"
    & skf21("4","5","6","2","1","1","1","1") = "5"
    & skf21("4","5","6","2","1","1","2","1") = "5"
    & skf21("4","5","6","2","1","1","3","1") = "5"
    & skf21("4","5","6","2","1","1","4","1") = "5"
    & skf21("4","5","6","2","1","1","5","1") = "5"
    & skf21("4","5","6","2","1","1","6","1") = "5"
    & skf21("4","5","6","2","1","1","7","1") = "6"
    & skf21("4","5","6","2","1","2","1","1") = "5"
    & skf21("4","5","6","2","1","2","2","1") = "5"
    & skf21("4","5","6","2","1","2","3","1") = "5"
    & skf21("4","5","6","2","1","2","4","1") = "5"
    & skf21("4","5","6","2","1","2","5","1") = "5"
    & skf21("4","5","6","2","1","2","6","1") = "5"
    & skf21("4","5","6","2","1","2","7","1") = "6"
    & skf21("4","5","6","2","1","3","1","1") = "5"
    & skf21("4","5","6","2","1","3","2","1") = "5"
    & skf21("4","5","6","2","1","3","3","1") = "5"
    & skf21("4","5","6","2","1","3","4","1") = "5"
    & skf21("4","5","6","2","1","3","5","1") = "5"
    & skf21("4","5","6","2","1","3","6","1") = "5"
    & skf21("4","5","6","2","1","3","7","1") = "6"
    & skf21("4","5","6","2","1","4","1","1") = "5"
    & skf21("4","5","6","2","1","4","2","1") = "5"
    & skf21("4","5","6","2","1","4","3","1") = "5"
    & skf21("4","5","6","2","1","4","4","1") = "5"
    & skf21("4","5","6","2","1","4","5","1") = "5"
    & skf21("4","5","6","2","1","4","6","1") = "5"
    & skf21("4","5","6","2","1","4","7","1") = "6"
    & skf21("4","5","6","2","1","5","1","1") = "5"
    & skf21("4","5","6","2","1","5","2","1") = "5"
    & skf21("4","5","6","2","1","5","3","1") = "5"
    & skf21("4","5","6","2","1","5","4","1") = "5"
    & skf21("4","5","6","2","1","5","5","1") = "5"
    & skf21("4","5","6","2","1","5","6","1") = "5"
    & skf21("4","5","6","2","1","5","7","1") = "6"
    & skf21("4","5","6","2","1","6","1","1") = "5"
    & skf21("4","5","6","2","1","6","2","1") = "5"
    & skf21("4","5","6","2","1","6","3","1") = "5"
    & skf21("4","5","6","2","1","6","4","1") = "5"
    & skf21("4","5","6","2","1","6","5","1") = "5"
    & skf21("4","5","6","2","1","6","6","1") = "5"
    & skf21("4","5","6","2","1","6","7","1") = "6"
    & skf21("4","5","6","2","1","7","1","1") = "6"
    & skf21("4","5","6","2","1","7","2","1") = "6"
    & skf21("4","5","6","2","1","7","3","1") = "6"
    & skf21("4","5","6","2","1","7","4","1") = "6"
    & skf21("4","5","6","2","1","7","5","1") = "6"
    & skf21("4","5","6","2","1","7","6","1") = "6"
    & skf21("4","5","6","2","1","7","7","1") = "6"
    & skf21("4","5","6","2","2","1","1","1") = "5"
    & skf21("4","5","6","2","2","1","2","1") = "5"
    & skf21("4","5","6","2","2","1","3","1") = "5"
    & skf21("4","5","6","2","2","1","4","1") = "5"
    & skf21("4","5","6","2","2","1","5","1") = "5"
    & skf21("4","5","6","2","2","1","6","1") = "5"
    & skf21("4","5","6","2","2","1","7","1") = "6"
    & skf21("4","5","6","2","2","2","1","1") = "5"
    & skf21("4","5","6","2","2","2","2","1") = "5"
    & skf21("4","5","6","2","2","2","3","1") = "5"
    & skf21("4","5","6","2","2","2","4","1") = "5"
    & skf21("4","5","6","2","2","2","5","1") = "5"
    & skf21("4","5","6","2","2","2","6","1") = "5"
    & skf21("4","5","6","2","2","2","7","1") = "6"
    & skf21("4","5","6","2","2","3","1","1") = "5"
    & skf21("4","5","6","2","2","3","2","1") = "5"
    & skf21("4","5","6","2","2","3","3","1") = "5"
    & skf21("4","5","6","2","2","3","4","1") = "5"
    & skf21("4","5","6","2","2","3","5","1") = "5"
    & skf21("4","5","6","2","2","3","6","1") = "5"
    & skf21("4","5","6","2","2","3","7","1") = "6"
    & skf21("4","5","6","2","2","4","1","1") = "5"
    & skf21("4","5","6","2","2","4","2","1") = "5"
    & skf21("4","5","6","2","2","4","3","1") = "5"
    & skf21("4","5","6","2","2","4","4","1") = "5"
    & skf21("4","5","6","2","2","4","5","1") = "5"
    & skf21("4","5","6","2","2","4","6","1") = "5"
    & skf21("4","5","6","2","2","4","7","1") = "6"
    & skf21("4","5","6","2","2","5","1","1") = "5"
    & skf21("4","5","6","2","2","5","2","1") = "5"
    & skf21("4","5","6","2","2","5","3","1") = "5"
    & skf21("4","5","6","2","2","5","4","1") = "5"
    & skf21("4","5","6","2","2","5","5","1") = "5"
    & skf21("4","5","6","2","2","5","6","1") = "5"
    & skf21("4","5","6","2","2","5","7","1") = "6"
    & skf21("4","5","6","2","2","6","1","1") = "5"
    & skf21("4","5","6","2","2","6","2","1") = "5"
    & skf21("4","5","6","2","2","6","3","1") = "5"
    & skf21("4","5","6","2","2","6","4","1") = "5"
    & skf21("4","5","6","2","2","6","5","1") = "5"
    & skf21("4","5","6","2","2","6","6","1") = "5"
    & skf21("4","5","6","2","2","6","7","1") = "6"
    & skf21("4","5","6","2","2","7","1","1") = "6"
    & skf21("4","5","6","2","2","7","2","1") = "6"
    & skf21("4","5","6","2","2","7","3","1") = "6"
    & skf21("4","5","6","2","2","7","4","1") = "6"
    & skf21("4","5","6","2","2","7","5","1") = "6"
    & skf21("4","5","6","2","2","7","6","1") = "6"
    & skf21("4","5","6","2","2","7","7","1") = "6"
    & skf21("4","5","6","2","3","1","1","1") = "5"
    & skf21("4","5","6","2","3","1","2","1") = "5"
    & skf21("4","5","6","2","3","1","3","1") = "5"
    & skf21("4","5","6","2","3","1","4","1") = "5"
    & skf21("4","5","6","2","3","1","5","1") = "5"
    & skf21("4","5","6","2","3","1","6","1") = "5"
    & skf21("4","5","6","2","3","1","7","1") = "6"
    & skf21("4","5","6","2","3","2","1","1") = "5"
    & skf21("4","5","6","2","3","2","2","1") = "5"
    & skf21("4","5","6","2","3","2","3","1") = "5"
    & skf21("4","5","6","2","3","2","4","1") = "5"
    & skf21("4","5","6","2","3","2","5","1") = "5"
    & skf21("4","5","6","2","3","2","6","1") = "5"
    & skf21("4","5","6","2","3","2","7","1") = "6"
    & skf21("4","5","6","2","3","3","1","1") = "5"
    & skf21("4","5","6","2","3","3","2","1") = "5"
    & skf21("4","5","6","2","3","3","3","1") = "5"
    & skf21("4","5","6","2","3","3","4","1") = "5"
    & skf21("4","5","6","2","3","3","5","1") = "5"
    & skf21("4","5","6","2","3","3","6","1") = "5"
    & skf21("4","5","6","2","3","3","7","1") = "6"
    & skf21("4","5","6","2","3","4","1","1") = "5"
    & skf21("4","5","6","2","3","4","2","1") = "5"
    & skf21("4","5","6","2","3","4","3","1") = "5"
    & skf21("4","5","6","2","3","4","4","1") = "5"
    & skf21("4","5","6","2","3","4","5","1") = "5"
    & skf21("4","5","6","2","3","4","6","1") = "5"
    & skf21("4","5","6","2","3","4","7","1") = "6"
    & skf21("4","5","6","2","3","5","1","1") = "5"
    & skf21("4","5","6","2","3","5","2","1") = "5"
    & skf21("4","5","6","2","3","5","3","1") = "5"
    & skf21("4","5","6","2","3","5","4","1") = "5"
    & skf21("4","5","6","2","3","5","5","1") = "5"
    & skf21("4","5","6","2","3","5","6","1") = "5"
    & skf21("4","5","6","2","3","5","7","1") = "6"
    & skf21("4","5","6","2","3","6","1","1") = "5"
    & skf21("4","5","6","2","3","6","2","1") = "5"
    & skf21("4","5","6","2","3","6","3","1") = "5"
    & skf21("4","5","6","2","3","6","4","1") = "5"
    & skf21("4","5","6","2","3","6","5","1") = "5"
    & skf21("4","5","6","2","3","6","6","1") = "5"
    & skf21("4","5","6","2","3","6","7","1") = "6"
    & skf21("4","5","6","2","3","7","1","1") = "6"
    & skf21("4","5","6","2","3","7","2","1") = "6"
    & skf21("4","5","6","2","3","7","3","1") = "6"
    & skf21("4","5","6","2","3","7","4","1") = "6"
    & skf21("4","5","6","2","3","7","5","1") = "6"
    & skf21("4","5","6","2","3","7","6","1") = "6"
    & skf21("4","5","6","2","3","7","7","1") = "6"
    & skf21("4","5","6","2","4","1","1","1") = "5"
    & skf21("4","5","6","2","4","1","2","1") = "5"
    & skf21("4","5","6","2","4","1","3","1") = "5"
    & skf21("4","5","6","2","4","1","4","1") = "5"
    & skf21("4","5","6","2","4","1","5","1") = "5"
    & skf21("4","5","6","2","4","1","6","1") = "5"
    & skf21("4","5","6","2","4","1","7","1") = "6"
    & skf21("4","5","6","2","4","2","1","1") = "5"
    & skf21("4","5","6","2","4","2","2","1") = "5"
    & skf21("4","5","6","2","4","2","3","1") = "5"
    & skf21("4","5","6","2","4","2","4","1") = "5"
    & skf21("4","5","6","2","4","2","5","1") = "5"
    & skf21("4","5","6","2","4","2","6","1") = "5"
    & skf21("4","5","6","2","4","2","7","1") = "6"
    & skf21("4","5","6","2","4","3","1","1") = "5"
    & skf21("4","5","6","2","4","3","2","1") = "5"
    & skf21("4","5","6","2","4","3","3","1") = "5"
    & skf21("4","5","6","2","4","3","4","1") = "5"
    & skf21("4","5","6","2","4","3","5","1") = "5"
    & skf21("4","5","6","2","4","3","6","1") = "5"
    & skf21("4","5","6","2","4","3","7","1") = "6"
    & skf21("4","5","6","2","4","4","1","1") = "5"
    & skf21("4","5","6","2","4","4","2","1") = "5"
    & skf21("4","5","6","2","4","4","3","1") = "5"
    & skf21("4","5","6","2","4","4","4","1") = "5"
    & skf21("4","5","6","2","4","4","5","1") = "5"
    & skf21("4","5","6","2","4","4","6","1") = "5"
    & skf21("4","5","6","2","4","4","7","1") = "6"
    & skf21("4","5","6","2","4","5","1","1") = "5"
    & skf21("4","5","6","2","4","5","2","1") = "5"
    & skf21("4","5","6","2","4","5","3","1") = "5"
    & skf21("4","5","6","2","4","5","4","1") = "5"
    & skf21("4","5","6","2","4","5","5","1") = "5"
    & skf21("4","5","6","2","4","5","6","1") = "5"
    & skf21("4","5","6","2","4","5","7","1") = "6"
    & skf21("4","5","6","2","4","6","1","1") = "5"
    & skf21("4","5","6","2","4","6","2","1") = "5"
    & skf21("4","5","6","2","4","6","3","1") = "5"
    & skf21("4","5","6","2","4","6","4","1") = "5"
    & skf21("4","5","6","2","4","6","5","1") = "5"
    & skf21("4","5","6","2","4","6","6","1") = "5"
    & skf21("4","5","6","2","4","6","7","1") = "6"
    & skf21("4","5","6","2","4","7","1","1") = "6"
    & skf21("4","5","6","2","4","7","2","1") = "6"
    & skf21("4","5","6","2","4","7","3","1") = "6"
    & skf21("4","5","6","2","4","7","4","1") = "6"
    & skf21("4","5","6","2","4","7","5","1") = "6"
    & skf21("4","5","6","2","4","7","6","1") = "6"
    & skf21("4","5","6","2","4","7","7","1") = "6"
    & skf21("4","5","6","2","5","1","1","1") = "5"
    & skf21("4","5","6","2","5","1","2","1") = "5"
    & skf21("4","5","6","2","5","1","3","1") = "5"
    & skf21("4","5","6","2","5","1","4","1") = "5"
    & skf21("4","5","6","2","5","1","5","1") = "5"
    & skf21("4","5","6","2","5","1","6","1") = "5"
    & skf21("4","5","6","2","5","1","7","1") = "6"
    & skf21("4","5","6","2","5","2","1","1") = "5"
    & skf21("4","5","6","2","5","2","2","1") = "5"
    & skf21("4","5","6","2","5","2","3","1") = "5"
    & skf21("4","5","6","2","5","2","4","1") = "5"
    & skf21("4","5","6","2","5","2","5","1") = "5"
    & skf21("4","5","6","2","5","2","6","1") = "5"
    & skf21("4","5","6","2","5","2","7","1") = "6"
    & skf21("4","5","6","2","5","3","1","1") = "5"
    & skf21("4","5","6","2","5","3","2","1") = "5"
    & skf21("4","5","6","2","5","3","3","1") = "5"
    & skf21("4","5","6","2","5","3","4","1") = "5"
    & skf21("4","5","6","2","5","3","5","1") = "5"
    & skf21("4","5","6","2","5","3","6","1") = "5"
    & skf21("4","5","6","2","5","3","7","1") = "6"
    & skf21("4","5","6","2","5","4","1","1") = "5"
    & skf21("4","5","6","2","5","4","2","1") = "5"
    & skf21("4","5","6","2","5","4","3","1") = "5"
    & skf21("4","5","6","2","5","4","4","1") = "5"
    & skf21("4","5","6","2","5","4","5","1") = "5"
    & skf21("4","5","6","2","5","4","6","1") = "5"
    & skf21("4","5","6","2","5","4","7","1") = "6"
    & skf21("4","5","6","2","5","5","1","1") = "5"
    & skf21("4","5","6","2","5","5","2","1") = "5"
    & skf21("4","5","6","2","5","5","3","1") = "5"
    & skf21("4","5","6","2","5","5","4","1") = "5"
    & skf21("4","5","6","2","5","5","5","1") = "5"
    & skf21("4","5","6","2","5","5","6","1") = "5"
    & skf21("4","5","6","2","5","5","7","1") = "6"
    & skf21("4","5","6","2","5","6","1","1") = "5"
    & skf21("4","5","6","2","5","6","2","1") = "5"
    & skf21("4","5","6","2","5","6","3","1") = "5"
    & skf21("4","5","6","2","5","6","4","1") = "5"
    & skf21("4","5","6","2","5","6","5","1") = "5"
    & skf21("4","5","6","2","5","6","6","1") = "5"
    & skf21("4","5","6","2","5","6","7","1") = "6"
    & skf21("4","5","6","2","5","7","1","1") = "6"
    & skf21("4","5","6","2","5","7","2","1") = "6"
    & skf21("4","5","6","2","5","7","3","1") = "6"
    & skf21("4","5","6","2","5","7","4","1") = "6"
    & skf21("4","5","6","2","5","7","5","1") = "6"
    & skf21("4","5","6","2","5","7","6","1") = "6"
    & skf21("4","5","6","2","5","7","7","1") = "6"
    & skf21("4","5","6","2","6","1","1","1") = "5"
    & skf21("4","5","6","2","6","1","2","1") = "5"
    & skf21("4","5","6","2","6","1","3","1") = "5"
    & skf21("4","5","6","2","6","1","4","1") = "5"
    & skf21("4","5","6","2","6","1","5","1") = "5"
    & skf21("4","5","6","2","6","1","6","1") = "5"
    & skf21("4","5","6","2","6","1","7","1") = "6"
    & skf21("4","5","6","2","6","2","1","1") = "5"
    & skf21("4","5","6","2","6","2","2","1") = "5"
    & skf21("4","5","6","2","6","2","3","1") = "5"
    & skf21("4","5","6","2","6","2","4","1") = "5"
    & skf21("4","5","6","2","6","2","5","1") = "5"
    & skf21("4","5","6","2","6","2","6","1") = "5"
    & skf21("4","5","6","2","6","2","7","1") = "6"
    & skf21("4","5","6","2","6","3","1","1") = "5"
    & skf21("4","5","6","2","6","3","2","1") = "5"
    & skf21("4","5","6","2","6","3","3","1") = "5"
    & skf21("4","5","6","2","6","3","4","1") = "5"
    & skf21("4","5","6","2","6","3","5","1") = "5"
    & skf21("4","5","6","2","6","3","6","1") = "5"
    & skf21("4","5","6","2","6","3","7","1") = "6"
    & skf21("4","5","6","2","6","4","1","1") = "5"
    & skf21("4","5","6","2","6","4","2","1") = "5"
    & skf21("4","5","6","2","6","4","3","1") = "5"
    & skf21("4","5","6","2","6","4","4","1") = "5"
    & skf21("4","5","6","2","6","4","5","1") = "5"
    & skf21("4","5","6","2","6","4","6","1") = "5"
    & skf21("4","5","6","2","6","4","7","1") = "6"
    & skf21("4","5","6","2","6","5","1","1") = "5"
    & skf21("4","5","6","2","6","5","2","1") = "5"
    & skf21("4","5","6","2","6","5","3","1") = "5"
    & skf21("4","5","6","2","6","5","4","1") = "5"
    & skf21("4","5","6","2","6","5","5","1") = "5"
    & skf21("4","5","6","2","6","5","6","1") = "5"
    & skf21("4","5","6","2","6","5","7","1") = "6"
    & skf21("4","5","6","2","6","6","1","1") = "5"
    & skf21("4","5","6","2","6","6","2","1") = "5"
    & skf21("4","5","6","2","6","6","3","1") = "5"
    & skf21("4","5","6","2","6","6","4","1") = "5"
    & skf21("4","5","6","2","6","6","5","1") = "5"
    & skf21("4","5","6","2","6","6","6","1") = "5"
    & skf21("4","5","6","2","6","6","7","1") = "6"
    & skf21("4","5","6","2","6","7","1","1") = "6"
    & skf21("4","5","6","2","6","7","2","1") = "6"
    & skf21("4","5","6","2","6","7","3","1") = "6"
    & skf21("4","5","6","2","6","7","4","1") = "6"
    & skf21("4","5","6","2","6","7","5","1") = "6"
    & skf21("4","5","6","2","6","7","6","1") = "6"
    & skf21("4","5","6","2","6","7","7","1") = "6"
    & skf21("4","5","6","2","7","1","1","1") = "6"
    & skf21("4","5","6","2","7","1","2","1") = "6"
    & skf21("4","5","6","2","7","1","3","1") = "6"
    & skf21("4","5","6","2","7","1","4","1") = "6"
    & skf21("4","5","6","2","7","1","5","1") = "6"
    & skf21("4","5","6","2","7","1","6","1") = "6"
    & skf21("4","5","6","2","7","1","7","1") = "6"
    & skf21("4","5","6","2","7","2","1","1") = "6"
    & skf21("4","5","6","2","7","2","2","1") = "6"
    & skf21("4","5","6","2","7","2","3","1") = "6"
    & skf21("4","5","6","2","7","2","4","1") = "6"
    & skf21("4","5","6","2","7","2","5","1") = "6"
    & skf21("4","5","6","2","7","2","6","1") = "6"
    & skf21("4","5","6","2","7","2","7","1") = "6"
    & skf21("4","5","6","2","7","3","1","1") = "6"
    & skf21("4","5","6","2","7","3","2","1") = "6"
    & skf21("4","5","6","2","7","3","3","1") = "6"
    & skf21("4","5","6","2","7","3","4","1") = "6"
    & skf21("4","5","6","2","7","3","5","1") = "6"
    & skf21("4","5","6","2","7","3","6","1") = "6"
    & skf21("4","5","6","2","7","3","7","1") = "6"
    & skf21("4","5","6","2","7","4","1","1") = "6"
    & skf21("4","5","6","2","7","4","2","1") = "6"
    & skf21("4","5","6","2","7","4","3","1") = "6"
    & skf21("4","5","6","2","7","4","4","1") = "6"
    & skf21("4","5","6","2","7","4","5","1") = "6"
    & skf21("4","5","6","2","7","4","6","1") = "6"
    & skf21("4","5","6","2","7","4","7","1") = "6"
    & skf21("4","5","6","2","7","5","1","1") = "6"
    & skf21("4","5","6","2","7","5","2","1") = "6"
    & skf21("4","5","6","2","7","5","3","1") = "6"
    & skf21("4","5","6","2","7","5","4","1") = "6"
    & skf21("4","5","6","2","7","5","5","1") = "6"
    & skf21("4","5","6","2","7","5","6","1") = "6"
    & skf21("4","5","6","2","7","5","7","1") = "6"
    & skf21("4","5","6","2","7","6","1","1") = "6"
    & skf21("4","5","6","2","7","6","2","1") = "6"
    & skf21("4","5","6","2","7","6","3","1") = "6"
    & skf21("4","5","6","2","7","6","4","1") = "6"
    & skf21("4","5","6","2","7","6","5","1") = "6"
    & skf21("4","5","6","2","7","6","6","1") = "6"
    & skf21("4","5","6","2","7","6","7","1") = "6"
    & skf21("4","5","6","2","7","7","1","1") = "6"
    & skf21("4","5","6","2","7","7","2","1") = "6"
    & skf21("4","5","6","2","7","7","3","1") = "6"
    & skf21("4","5","6","2","7","7","4","1") = "6"
    & skf21("4","5","6","2","7","7","5","1") = "6"
    & skf21("4","5","6","2","7","7","6","1") = "6"
    & skf21("4","5","6","2","7","7","7","1") = "6"
    & skf21("4","5","6","3","1","1","1","1") = "5"
    & skf21("4","5","6","3","1","1","2","1") = "5"
    & skf21("4","5","6","3","1","1","3","1") = "5"
    & skf21("4","5","6","3","1","1","4","1") = "5"
    & skf21("4","5","6","3","1","1","5","1") = "5"
    & skf21("4","5","6","3","1","1","6","1") = "5"
    & skf21("4","5","6","3","1","1","7","1") = "6"
    & skf21("4","5","6","3","1","2","1","1") = "5"
    & skf21("4","5","6","3","1","2","2","1") = "5"
    & skf21("4","5","6","3","1","2","3","1") = "5"
    & skf21("4","5","6","3","1","2","4","1") = "5"
    & skf21("4","5","6","3","1","2","5","1") = "5"
    & skf21("4","5","6","3","1","2","6","1") = "5"
    & skf21("4","5","6","3","1","2","7","1") = "6"
    & skf21("4","5","6","3","1","3","1","1") = "5"
    & skf21("4","5","6","3","1","3","2","1") = "5"
    & skf21("4","5","6","3","1","3","3","1") = "5"
    & skf21("4","5","6","3","1","3","4","1") = "5"
    & skf21("4","5","6","3","1","3","5","1") = "5"
    & skf21("4","5","6","3","1","3","6","1") = "5"
    & skf21("4","5","6","3","1","3","7","1") = "6"
    & skf21("4","5","6","3","1","4","1","1") = "5"
    & skf21("4","5","6","3","1","4","2","1") = "5"
    & skf21("4","5","6","3","1","4","3","1") = "5"
    & skf21("4","5","6","3","1","4","4","1") = "5"
    & skf21("4","5","6","3","1","4","5","1") = "5"
    & skf21("4","5","6","3","1","4","6","1") = "5"
    & skf21("4","5","6","3","1","4","7","1") = "6"
    & skf21("4","5","6","3","1","5","1","1") = "5"
    & skf21("4","5","6","3","1","5","2","1") = "5"
    & skf21("4","5","6","3","1","5","3","1") = "5"
    & skf21("4","5","6","3","1","5","4","1") = "5"
    & skf21("4","5","6","3","1","5","5","1") = "5"
    & skf21("4","5","6","3","1","5","6","1") = "5"
    & skf21("4","5","6","3","1","5","7","1") = "6"
    & skf21("4","5","6","3","1","6","1","1") = "5"
    & skf21("4","5","6","3","1","6","2","1") = "5"
    & skf21("4","5","6","3","1","6","3","1") = "5"
    & skf21("4","5","6","3","1","6","4","1") = "5"
    & skf21("4","5","6","3","1","6","5","1") = "5"
    & skf21("4","5","6","3","1","6","6","1") = "5"
    & skf21("4","5","6","3","1","6","7","1") = "6"
    & skf21("4","5","6","3","1","7","1","1") = "6"
    & skf21("4","5","6","3","1","7","2","1") = "6"
    & skf21("4","5","6","3","1","7","3","1") = "6"
    & skf21("4","5","6","3","1","7","4","1") = "6"
    & skf21("4","5","6","3","1","7","5","1") = "6"
    & skf21("4","5","6","3","1","7","6","1") = "6"
    & skf21("4","5","6","3","1","7","7","1") = "6"
    & skf21("4","5","6","3","2","1","1","1") = "5"
    & skf21("4","5","6","3","2","1","2","1") = "5"
    & skf21("4","5","6","3","2","1","3","1") = "5"
    & skf21("4","5","6","3","2","1","4","1") = "5"
    & skf21("4","5","6","3","2","1","5","1") = "5"
    & skf21("4","5","6","3","2","1","6","1") = "5"
    & skf21("4","5","6","3","2","1","7","1") = "6"
    & skf21("4","5","6","3","2","2","1","1") = "5"
    & skf21("4","5","6","3","2","2","2","1") = "5"
    & skf21("4","5","6","3","2","2","3","1") = "5"
    & skf21("4","5","6","3","2","2","4","1") = "5"
    & skf21("4","5","6","3","2","2","5","1") = "5"
    & skf21("4","5","6","3","2","2","6","1") = "5"
    & skf21("4","5","6","3","2","2","7","1") = "6"
    & skf21("4","5","6","3","2","3","1","1") = "5"
    & skf21("4","5","6","3","2","3","2","1") = "5"
    & skf21("4","5","6","3","2","3","3","1") = "5"
    & skf21("4","5","6","3","2","3","4","1") = "5"
    & skf21("4","5","6","3","2","3","5","1") = "5"
    & skf21("4","5","6","3","2","3","6","1") = "5"
    & skf21("4","5","6","3","2","3","7","1") = "6"
    & skf21("4","5","6","3","2","4","1","1") = "5"
    & skf21("4","5","6","3","2","4","2","1") = "5"
    & skf21("4","5","6","3","2","4","3","1") = "5"
    & skf21("4","5","6","3","2","4","4","1") = "5"
    & skf21("4","5","6","3","2","4","5","1") = "5"
    & skf21("4","5","6","3","2","4","6","1") = "5"
    & skf21("4","5","6","3","2","4","7","1") = "6"
    & skf21("4","5","6","3","2","5","1","1") = "5"
    & skf21("4","5","6","3","2","5","2","1") = "5"
    & skf21("4","5","6","3","2","5","3","1") = "5"
    & skf21("4","5","6","3","2","5","4","1") = "5"
    & skf21("4","5","6","3","2","5","5","1") = "5"
    & skf21("4","5","6","3","2","5","6","1") = "5"
    & skf21("4","5","6","3","2","5","7","1") = "6"
    & skf21("4","5","6","3","2","6","1","1") = "5"
    & skf21("4","5","6","3","2","6","2","1") = "5"
    & skf21("4","5","6","3","2","6","3","1") = "5"
    & skf21("4","5","6","3","2","6","4","1") = "5"
    & skf21("4","5","6","3","2","6","5","1") = "5"
    & skf21("4","5","6","3","2","6","6","1") = "5"
    & skf21("4","5","6","3","2","6","7","1") = "6"
    & skf21("4","5","6","3","2","7","1","1") = "6"
    & skf21("4","5","6","3","2","7","2","1") = "6"
    & skf21("4","5","6","3","2","7","3","1") = "6"
    & skf21("4","5","6","3","2","7","4","1") = "6"
    & skf21("4","5","6","3","2","7","5","1") = "6"
    & skf21("4","5","6","3","2","7","6","1") = "6"
    & skf21("4","5","6","3","2","7","7","1") = "6"
    & skf21("4","5","6","3","3","1","1","1") = "5"
    & skf21("4","5","6","3","3","1","2","1") = "5"
    & skf21("4","5","6","3","3","1","3","1") = "5"
    & skf21("4","5","6","3","3","1","4","1") = "5"
    & skf21("4","5","6","3","3","1","5","1") = "5"
    & skf21("4","5","6","3","3","1","6","1") = "5"
    & skf21("4","5","6","3","3","1","7","1") = "6"
    & skf21("4","5","6","3","3","2","1","1") = "5"
    & skf21("4","5","6","3","3","2","2","1") = "5"
    & skf21("4","5","6","3","3","2","3","1") = "5"
    & skf21("4","5","6","3","3","2","4","1") = "5"
    & skf21("4","5","6","3","3","2","5","1") = "5"
    & skf21("4","5","6","3","3","2","6","1") = "5"
    & skf21("4","5","6","3","3","2","7","1") = "6"
    & skf21("4","5","6","3","3","3","1","1") = "5"
    & skf21("4","5","6","3","3","3","2","1") = "5"
    & skf21("4","5","6","3","3","3","3","1") = "5"
    & skf21("4","5","6","3","3","3","4","1") = "5"
    & skf21("4","5","6","3","3","3","5","1") = "5"
    & skf21("4","5","6","3","3","3","6","1") = "5"
    & skf21("4","5","6","3","3","3","7","1") = "6"
    & skf21("4","5","6","3","3","4","1","1") = "5"
    & skf21("4","5","6","3","3","4","2","1") = "5"
    & skf21("4","5","6","3","3","4","3","1") = "5"
    & skf21("4","5","6","3","3","4","4","1") = "5"
    & skf21("4","5","6","3","3","4","5","1") = "5"
    & skf21("4","5","6","3","3","4","6","1") = "5"
    & skf21("4","5","6","3","3","4","7","1") = "6"
    & skf21("4","5","6","3","3","5","1","1") = "5"
    & skf21("4","5","6","3","3","5","2","1") = "5"
    & skf21("4","5","6","3","3","5","3","1") = "5"
    & skf21("4","5","6","3","3","5","4","1") = "5"
    & skf21("4","5","6","3","3","5","5","1") = "5"
    & skf21("4","5","6","3","3","5","6","1") = "5"
    & skf21("4","5","6","3","3","5","7","1") = "6"
    & skf21("4","5","6","3","3","6","1","1") = "5"
    & skf21("4","5","6","3","3","6","2","1") = "5"
    & skf21("4","5","6","3","3","6","3","1") = "5"
    & skf21("4","5","6","3","3","6","4","1") = "5"
    & skf21("4","5","6","3","3","6","5","1") = "5"
    & skf21("4","5","6","3","3","6","6","1") = "5"
    & skf21("4","5","6","3","3","6","7","1") = "6"
    & skf21("4","5","6","3","3","7","1","1") = "6"
    & skf21("4","5","6","3","3","7","2","1") = "6"
    & skf21("4","5","6","3","3","7","3","1") = "6"
    & skf21("4","5","6","3","3","7","4","1") = "6"
    & skf21("4","5","6","3","3","7","5","1") = "6"
    & skf21("4","5","6","3","3","7","6","1") = "6"
    & skf21("4","5","6","3","3","7","7","1") = "6"
    & skf21("4","5","6","3","4","1","1","1") = "5"
    & skf21("4","5","6","3","4","1","2","1") = "5"
    & skf21("4","5","6","3","4","1","3","1") = "5"
    & skf21("4","5","6","3","4","1","4","1") = "5"
    & skf21("4","5","6","3","4","1","5","1") = "5"
    & skf21("4","5","6","3","4","1","6","1") = "5"
    & skf21("4","5","6","3","4","1","7","1") = "6"
    & skf21("4","5","6","3","4","2","1","1") = "5"
    & skf21("4","5","6","3","4","2","2","1") = "5"
    & skf21("4","5","6","3","4","2","3","1") = "5"
    & skf21("4","5","6","3","4","2","4","1") = "5"
    & skf21("4","5","6","3","4","2","5","1") = "5"
    & skf21("4","5","6","3","4","2","6","1") = "5"
    & skf21("4","5","6","3","4","2","7","1") = "6"
    & skf21("4","5","6","3","4","3","1","1") = "5"
    & skf21("4","5","6","3","4","3","2","1") = "5"
    & skf21("4","5","6","3","4","3","3","1") = "5"
    & skf21("4","5","6","3","4","3","4","1") = "5"
    & skf21("4","5","6","3","4","3","5","1") = "5"
    & skf21("4","5","6","3","4","3","6","1") = "5"
    & skf21("4","5","6","3","4","3","7","1") = "6"
    & skf21("4","5","6","3","4","4","1","1") = "5"
    & skf21("4","5","6","3","4","4","2","1") = "5"
    & skf21("4","5","6","3","4","4","3","1") = "5"
    & skf21("4","5","6","3","4","4","4","1") = "5"
    & skf21("4","5","6","3","4","4","5","1") = "5"
    & skf21("4","5","6","3","4","4","6","1") = "5"
    & skf21("4","5","6","3","4","4","7","1") = "6"
    & skf21("4","5","6","3","4","5","1","1") = "5"
    & skf21("4","5","6","3","4","5","2","1") = "5"
    & skf21("4","5","6","3","4","5","3","1") = "5"
    & skf21("4","5","6","3","4","5","4","1") = "5"
    & skf21("4","5","6","3","4","5","5","1") = "5"
    & skf21("4","5","6","3","4","5","6","1") = "5"
    & skf21("4","5","6","3","4","5","7","1") = "6"
    & skf21("4","5","6","3","4","6","1","1") = "5"
    & skf21("4","5","6","3","4","6","2","1") = "5"
    & skf21("4","5","6","3","4","6","3","1") = "5"
    & skf21("4","5","6","3","4","6","4","1") = "5"
    & skf21("4","5","6","3","4","6","5","1") = "5"
    & skf21("4","5","6","3","4","6","6","1") = "5"
    & skf21("4","5","6","3","4","6","7","1") = "6"
    & skf21("4","5","6","3","4","7","1","1") = "6"
    & skf21("4","5","6","3","4","7","2","1") = "6"
    & skf21("4","5","6","3","4","7","3","1") = "6"
    & skf21("4","5","6","3","4","7","4","1") = "6"
    & skf21("4","5","6","3","4","7","5","1") = "6"
    & skf21("4","5","6","3","4","7","6","1") = "6"
    & skf21("4","5","6","3","4","7","7","1") = "6"
    & skf21("4","5","6","3","5","1","1","1") = "5"
    & skf21("4","5","6","3","5","1","2","1") = "5"
    & skf21("4","5","6","3","5","1","3","1") = "5"
    & skf21("4","5","6","3","5","1","4","1") = "5"
    & skf21("4","5","6","3","5","1","5","1") = "5"
    & skf21("4","5","6","3","5","1","6","1") = "5"
    & skf21("4","5","6","3","5","1","7","1") = "6"
    & skf21("4","5","6","3","5","2","1","1") = "5"
    & skf21("4","5","6","3","5","2","2","1") = "5"
    & skf21("4","5","6","3","5","2","3","1") = "5"
    & skf21("4","5","6","3","5","2","4","1") = "5"
    & skf21("4","5","6","3","5","2","5","1") = "5"
    & skf21("4","5","6","3","5","2","6","1") = "5"
    & skf21("4","5","6","3","5","2","7","1") = "6"
    & skf21("4","5","6","3","5","3","1","1") = "5"
    & skf21("4","5","6","3","5","3","2","1") = "5"
    & skf21("4","5","6","3","5","3","3","1") = "5"
    & skf21("4","5","6","3","5","3","4","1") = "5"
    & skf21("4","5","6","3","5","3","5","1") = "5"
    & skf21("4","5","6","3","5","3","6","1") = "5"
    & skf21("4","5","6","3","5","3","7","1") = "6"
    & skf21("4","5","6","3","5","4","1","1") = "5"
    & skf21("4","5","6","3","5","4","2","1") = "5"
    & skf21("4","5","6","3","5","4","3","1") = "5"
    & skf21("4","5","6","3","5","4","4","1") = "5"
    & skf21("4","5","6","3","5","4","5","1") = "5"
    & skf21("4","5","6","3","5","4","6","1") = "5"
    & skf21("4","5","6","3","5","4","7","1") = "6"
    & skf21("4","5","6","3","5","5","1","1") = "5"
    & skf21("4","5","6","3","5","5","2","1") = "5"
    & skf21("4","5","6","3","5","5","3","1") = "5"
    & skf21("4","5","6","3","5","5","4","1") = "5"
    & skf21("4","5","6","3","5","5","5","1") = "5"
    & skf21("4","5","6","3","5","5","6","1") = "5"
    & skf21("4","5","6","3","5","5","7","1") = "6"
    & skf21("4","5","6","3","5","6","1","1") = "5"
    & skf21("4","5","6","3","5","6","2","1") = "5"
    & skf21("4","5","6","3","5","6","3","1") = "5"
    & skf21("4","5","6","3","5","6","4","1") = "5"
    & skf21("4","5","6","3","5","6","5","1") = "5"
    & skf21("4","5","6","3","5","6","6","1") = "5"
    & skf21("4","5","6","3","5","6","7","1") = "6"
    & skf21("4","5","6","3","5","7","1","1") = "6"
    & skf21("4","5","6","3","5","7","2","1") = "6"
    & skf21("4","5","6","3","5","7","3","1") = "6"
    & skf21("4","5","6","3","5","7","4","1") = "6"
    & skf21("4","5","6","3","5","7","5","1") = "6"
    & skf21("4","5","6","3","5","7","6","1") = "6"
    & skf21("4","5","6","3","5","7","7","1") = "6"
    & skf21("4","5","6","3","6","1","1","1") = "5"
    & skf21("4","5","6","3","6","1","2","1") = "5"
    & skf21("4","5","6","3","6","1","3","1") = "5"
    & skf21("4","5","6","3","6","1","4","1") = "5"
    & skf21("4","5","6","3","6","1","5","1") = "5"
    & skf21("4","5","6","3","6","1","6","1") = "5"
    & skf21("4","5","6","3","6","1","7","1") = "6"
    & skf21("4","5","6","3","6","2","1","1") = "5"
    & skf21("4","5","6","3","6","2","2","1") = "5"
    & skf21("4","5","6","3","6","2","3","1") = "5"
    & skf21("4","5","6","3","6","2","4","1") = "5"
    & skf21("4","5","6","3","6","2","5","1") = "5"
    & skf21("4","5","6","3","6","2","6","1") = "5"
    & skf21("4","5","6","3","6","2","7","1") = "6"
    & skf21("4","5","6","3","6","3","1","1") = "5"
    & skf21("4","5","6","3","6","3","2","1") = "5"
    & skf21("4","5","6","3","6","3","3","1") = "5"
    & skf21("4","5","6","3","6","3","4","1") = "5"
    & skf21("4","5","6","3","6","3","5","1") = "5"
    & skf21("4","5","6","3","6","3","6","1") = "5"
    & skf21("4","5","6","3","6","3","7","1") = "6"
    & skf21("4","5","6","3","6","4","1","1") = "5"
    & skf21("4","5","6","3","6","4","2","1") = "5"
    & skf21("4","5","6","3","6","4","3","1") = "5"
    & skf21("4","5","6","3","6","4","4","1") = "5"
    & skf21("4","5","6","3","6","4","5","1") = "5"
    & skf21("4","5","6","3","6","4","6","1") = "5"
    & skf21("4","5","6","3","6","4","7","1") = "6"
    & skf21("4","5","6","3","6","5","1","1") = "5"
    & skf21("4","5","6","3","6","5","2","1") = "5"
    & skf21("4","5","6","3","6","5","3","1") = "5"
    & skf21("4","5","6","3","6","5","4","1") = "5"
    & skf21("4","5","6","3","6","5","5","1") = "5"
    & skf21("4","5","6","3","6","5","6","1") = "5"
    & skf21("4","5","6","3","6","5","7","1") = "6"
    & skf21("4","5","6","3","6","6","1","1") = "5"
    & skf21("4","5","6","3","6","6","2","1") = "5"
    & skf21("4","5","6","3","6","6","3","1") = "5"
    & skf21("4","5","6","3","6","6","4","1") = "5"
    & skf21("4","5","6","3","6","6","5","1") = "5"
    & skf21("4","5","6","3","6","6","6","1") = "5"
    & skf21("4","5","6","3","6","6","7","1") = "6"
    & skf21("4","5","6","3","6","7","1","1") = "6"
    & skf21("4","5","6","3","6","7","2","1") = "6"
    & skf21("4","5","6","3","6","7","3","1") = "6"
    & skf21("4","5","6","3","6","7","4","1") = "6"
    & skf21("4","5","6","3","6","7","5","1") = "6"
    & skf21("4","5","6","3","6","7","6","1") = "6"
    & skf21("4","5","6","3","6","7","7","1") = "6"
    & skf21("4","5","6","3","7","1","1","1") = "6"
    & skf21("4","5","6","3","7","1","2","1") = "6"
    & skf21("4","5","6","3","7","1","3","1") = "6"
    & skf21("4","5","6","3","7","1","4","1") = "6"
    & skf21("4","5","6","3","7","1","5","1") = "6"
    & skf21("4","5","6","3","7","1","6","1") = "6"
    & skf21("4","5","6","3","7","1","7","1") = "6"
    & skf21("4","5","6","3","7","2","1","1") = "6"
    & skf21("4","5","6","3","7","2","2","1") = "6"
    & skf21("4","5","6","3","7","2","3","1") = "6"
    & skf21("4","5","6","3","7","2","4","1") = "6"
    & skf21("4","5","6","3","7","2","5","1") = "6"
    & skf21("4","5","6","3","7","2","6","1") = "6"
    & skf21("4","5","6","3","7","2","7","1") = "6"
    & skf21("4","5","6","3","7","3","1","1") = "6"
    & skf21("4","5","6","3","7","3","2","1") = "6"
    & skf21("4","5","6","3","7","3","3","1") = "6"
    & skf21("4","5","6","3","7","3","4","1") = "6"
    & skf21("4","5","6","3","7","3","5","1") = "6"
    & skf21("4","5","6","3","7","3","6","1") = "6"
    & skf21("4","5","6","3","7","3","7","1") = "6"
    & skf21("4","5","6","3","7","4","1","1") = "6"
    & skf21("4","5","6","3","7","4","2","1") = "6"
    & skf21("4","5","6","3","7","4","3","1") = "6"
    & skf21("4","5","6","3","7","4","4","1") = "6"
    & skf21("4","5","6","3","7","4","5","1") = "6"
    & skf21("4","5","6","3","7","4","6","1") = "6"
    & skf21("4","5","6","3","7","4","7","1") = "6"
    & skf21("4","5","6","3","7","5","1","1") = "6"
    & skf21("4","5","6","3","7","5","2","1") = "6"
    & skf21("4","5","6","3","7","5","3","1") = "6"
    & skf21("4","5","6","3","7","5","4","1") = "6"
    & skf21("4","5","6","3","7","5","5","1") = "6"
    & skf21("4","5","6","3","7","5","6","1") = "6"
    & skf21("4","5","6","3","7","5","7","1") = "6"
    & skf21("4","5","6","3","7","6","1","1") = "6"
    & skf21("4","5","6","3","7","6","2","1") = "6"
    & skf21("4","5","6","3","7","6","3","1") = "6"
    & skf21("4","5","6","3","7","6","4","1") = "6"
    & skf21("4","5","6","3","7","6","5","1") = "6"
    & skf21("4","5","6","3","7","6","6","1") = "6"
    & skf21("4","5","6","3","7","6","7","1") = "6"
    & skf21("4","5","6","3","7","7","1","1") = "6"
    & skf21("4","5","6","3","7","7","2","1") = "6"
    & skf21("4","5","6","3","7","7","3","1") = "6"
    & skf21("4","5","6","3","7","7","4","1") = "6"
    & skf21("4","5","6","3","7","7","5","1") = "6"
    & skf21("4","5","6","3","7","7","6","1") = "6"
    & skf21("4","5","6","3","7","7","7","1") = "6"
    & skf21("4","5","6","4","1","1","1","1") = "5"
    & skf21("4","5","6","4","1","1","2","1") = "5"
    & skf21("4","5","6","4","1","1","3","1") = "5"
    & skf21("4","5","6","4","1","1","4","1") = "5"
    & skf21("4","5","6","4","1","1","5","1") = "5"
    & skf21("4","5","6","4","1","1","6","1") = "5"
    & skf21("4","5","6","4","1","1","7","1") = "6"
    & skf21("4","5","6","4","1","2","1","1") = "5"
    & skf21("4","5","6","4","1","2","2","1") = "5"
    & skf21("4","5","6","4","1","2","3","1") = "5"
    & skf21("4","5","6","4","1","2","4","1") = "5"
    & skf21("4","5","6","4","1","2","5","1") = "5"
    & skf21("4","5","6","4","1","2","6","1") = "5"
    & skf21("4","5","6","4","1","2","7","1") = "6"
    & skf21("4","5","6","4","1","3","1","1") = "5"
    & skf21("4","5","6","4","1","3","2","1") = "5"
    & skf21("4","5","6","4","1","3","3","1") = "5"
    & skf21("4","5","6","4","1","3","4","1") = "5"
    & skf21("4","5","6","4","1","3","5","1") = "5"
    & skf21("4","5","6","4","1","3","6","1") = "5"
    & skf21("4","5","6","4","1","3","7","1") = "6"
    & skf21("4","5","6","4","1","4","1","1") = "5"
    & skf21("4","5","6","4","1","4","2","1") = "5"
    & skf21("4","5","6","4","1","4","3","1") = "5"
    & skf21("4","5","6","4","1","4","4","1") = "5"
    & skf21("4","5","6","4","1","4","5","1") = "5"
    & skf21("4","5","6","4","1","4","6","1") = "5"
    & skf21("4","5","6","4","1","4","7","1") = "6"
    & skf21("4","5","6","4","1","5","1","1") = "5"
    & skf21("4","5","6","4","1","5","2","1") = "5"
    & skf21("4","5","6","4","1","5","3","1") = "5"
    & skf21("4","5","6","4","1","5","4","1") = "5"
    & skf21("4","5","6","4","1","5","5","1") = "5"
    & skf21("4","5","6","4","1","5","6","1") = "5"
    & skf21("4","5","6","4","1","5","7","1") = "6"
    & skf21("4","5","6","4","1","6","1","1") = "5"
    & skf21("4","5","6","4","1","6","2","1") = "5"
    & skf21("4","5","6","4","1","6","3","1") = "5"
    & skf21("4","5","6","4","1","6","4","1") = "5"
    & skf21("4","5","6","4","1","6","5","1") = "5"
    & skf21("4","5","6","4","1","6","6","1") = "5"
    & skf21("4","5","6","4","1","6","7","1") = "6"
    & skf21("4","5","6","4","1","7","1","1") = "6"
    & skf21("4","5","6","4","1","7","2","1") = "6"
    & skf21("4","5","6","4","1","7","3","1") = "6"
    & skf21("4","5","6","4","1","7","4","1") = "6"
    & skf21("4","5","6","4","1","7","5","1") = "6"
    & skf21("4","5","6","4","1","7","6","1") = "6"
    & skf21("4","5","6","4","1","7","7","1") = "6"
    & skf21("4","5","6","4","2","1","1","1") = "5"
    & skf21("4","5","6","4","2","1","2","1") = "5"
    & skf21("4","5","6","4","2","1","3","1") = "5"
    & skf21("4","5","6","4","2","1","4","1") = "5"
    & skf21("4","5","6","4","2","1","5","1") = "5"
    & skf21("4","5","6","4","2","1","6","1") = "5"
    & skf21("4","5","6","4","2","1","7","1") = "6"
    & skf21("4","5","6","4","2","2","1","1") = "5"
    & skf21("4","5","6","4","2","2","2","1") = "5"
    & skf21("4","5","6","4","2","2","3","1") = "5"
    & skf21("4","5","6","4","2","2","4","1") = "5"
    & skf21("4","5","6","4","2","2","5","1") = "5"
    & skf21("4","5","6","4","2","2","6","1") = "5"
    & skf21("4","5","6","4","2","2","7","1") = "6"
    & skf21("4","5","6","4","2","3","1","1") = "5"
    & skf21("4","5","6","4","2","3","2","1") = "5"
    & skf21("4","5","6","4","2","3","3","1") = "5"
    & skf21("4","5","6","4","2","3","4","1") = "5"
    & skf21("4","5","6","4","2","3","5","1") = "5"
    & skf21("4","5","6","4","2","3","6","1") = "5"
    & skf21("4","5","6","4","2","3","7","1") = "6"
    & skf21("4","5","6","4","2","4","1","1") = "5"
    & skf21("4","5","6","4","2","4","2","1") = "5"
    & skf21("4","5","6","4","2","4","3","1") = "5"
    & skf21("4","5","6","4","2","4","4","1") = "5"
    & skf21("4","5","6","4","2","4","5","1") = "5"
    & skf21("4","5","6","4","2","4","6","1") = "5"
    & skf21("4","5","6","4","2","4","7","1") = "6"
    & skf21("4","5","6","4","2","5","1","1") = "5"
    & skf21("4","5","6","4","2","5","2","1") = "5"
    & skf21("4","5","6","4","2","5","3","1") = "5"
    & skf21("4","5","6","4","2","5","4","1") = "5"
    & skf21("4","5","6","4","2","5","5","1") = "5"
    & skf21("4","5","6","4","2","5","6","1") = "5"
    & skf21("4","5","6","4","2","5","7","1") = "6"
    & skf21("4","5","6","4","2","6","1","1") = "5"
    & skf21("4","5","6","4","2","6","2","1") = "5"
    & skf21("4","5","6","4","2","6","3","1") = "5"
    & skf21("4","5","6","4","2","6","4","1") = "5"
    & skf21("4","5","6","4","2","6","5","1") = "5"
    & skf21("4","5","6","4","2","6","6","1") = "5"
    & skf21("4","5","6","4","2","6","7","1") = "6"
    & skf21("4","5","6","4","2","7","1","1") = "6"
    & skf21("4","5","6","4","2","7","2","1") = "6"
    & skf21("4","5","6","4","2","7","3","1") = "6"
    & skf21("4","5","6","4","2","7","4","1") = "6"
    & skf21("4","5","6","4","2","7","5","1") = "6"
    & skf21("4","5","6","4","2","7","6","1") = "6"
    & skf21("4","5","6","4","2","7","7","1") = "6"
    & skf21("4","5","6","4","3","1","1","1") = "5"
    & skf21("4","5","6","4","3","1","2","1") = "5"
    & skf21("4","5","6","4","3","1","3","1") = "5"
    & skf21("4","5","6","4","3","1","4","1") = "5"
    & skf21("4","5","6","4","3","1","5","1") = "5"
    & skf21("4","5","6","4","3","1","6","1") = "5"
    & skf21("4","5","6","4","3","1","7","1") = "6"
    & skf21("4","5","6","4","3","2","1","1") = "5"
    & skf21("4","5","6","4","3","2","2","1") = "5"
    & skf21("4","5","6","4","3","2","3","1") = "5"
    & skf21("4","5","6","4","3","2","4","1") = "5"
    & skf21("4","5","6","4","3","2","5","1") = "5"
    & skf21("4","5","6","4","3","2","6","1") = "5"
    & skf21("4","5","6","4","3","2","7","1") = "6"
    & skf21("4","5","6","4","3","3","1","1") = "5"
    & skf21("4","5","6","4","3","3","2","1") = "5"
    & skf21("4","5","6","4","3","3","3","1") = "5"
    & skf21("4","5","6","4","3","3","4","1") = "5"
    & skf21("4","5","6","4","3","3","5","1") = "5"
    & skf21("4","5","6","4","3","3","6","1") = "5"
    & skf21("4","5","6","4","3","3","7","1") = "6"
    & skf21("4","5","6","4","3","4","1","1") = "5"
    & skf21("4","5","6","4","3","4","2","1") = "5"
    & skf21("4","5","6","4","3","4","3","1") = "5"
    & skf21("4","5","6","4","3","4","4","1") = "5"
    & skf21("4","5","6","4","3","4","5","1") = "5"
    & skf21("4","5","6","4","3","4","6","1") = "5"
    & skf21("4","5","6","4","3","4","7","1") = "6"
    & skf21("4","5","6","4","3","5","1","1") = "5"
    & skf21("4","5","6","4","3","5","2","1") = "5"
    & skf21("4","5","6","4","3","5","3","1") = "5"
    & skf21("4","5","6","4","3","5","4","1") = "5"
    & skf21("4","5","6","4","3","5","5","1") = "5"
    & skf21("4","5","6","4","3","5","6","1") = "5"
    & skf21("4","5","6","4","3","5","7","1") = "6"
    & skf21("4","5","6","4","3","6","1","1") = "5"
    & skf21("4","5","6","4","3","6","2","1") = "5"
    & skf21("4","5","6","4","3","6","3","1") = "5"
    & skf21("4","5","6","4","3","6","4","1") = "5"
    & skf21("4","5","6","4","3","6","5","1") = "5"
    & skf21("4","5","6","4","3","6","6","1") = "5"
    & skf21("4","5","6","4","3","6","7","1") = "6"
    & skf21("4","5","6","4","3","7","1","1") = "6"
    & skf21("4","5","6","4","3","7","2","1") = "6"
    & skf21("4","5","6","4","3","7","3","1") = "6"
    & skf21("4","5","6","4","3","7","4","1") = "6"
    & skf21("4","5","6","4","3","7","5","1") = "6"
    & skf21("4","5","6","4","3","7","6","1") = "6"
    & skf21("4","5","6","4","3","7","7","1") = "6"
    & skf21("4","5","6","4","4","1","1","1") = "5"
    & skf21("4","5","6","4","4","1","2","1") = "5"
    & skf21("4","5","6","4","4","1","3","1") = "5"
    & skf21("4","5","6","4","4","1","4","1") = "5"
    & skf21("4","5","6","4","4","1","5","1") = "5"
    & skf21("4","5","6","4","4","1","6","1") = "5"
    & skf21("4","5","6","4","4","1","7","1") = "6"
    & skf21("4","5","6","4","4","2","1","1") = "5"
    & skf21("4","5","6","4","4","2","2","1") = "5"
    & skf21("4","5","6","4","4","2","3","1") = "5"
    & skf21("4","5","6","4","4","2","4","1") = "5"
    & skf21("4","5","6","4","4","2","5","1") = "5"
    & skf21("4","5","6","4","4","2","6","1") = "5"
    & skf21("4","5","6","4","4","2","7","1") = "6"
    & skf21("4","5","6","4","4","3","1","1") = "5"
    & skf21("4","5","6","4","4","3","2","1") = "5"
    & skf21("4","5","6","4","4","3","3","1") = "5"
    & skf21("4","5","6","4","4","3","4","1") = "5"
    & skf21("4","5","6","4","4","3","5","1") = "5"
    & skf21("4","5","6","4","4","3","6","1") = "5"
    & skf21("4","5","6","4","4","3","7","1") = "6"
    & skf21("4","5","6","4","4","4","1","1") = "5"
    & skf21("4","5","6","4","4","4","2","1") = "5"
    & skf21("4","5","6","4","4","4","3","1") = "5"
    & skf21("4","5","6","4","4","4","4","1") = "5"
    & skf21("4","5","6","4","4","4","5","1") = "5"
    & skf21("4","5","6","4","4","4","6","1") = "5"
    & skf21("4","5","6","4","4","4","7","1") = "6"
    & skf21("4","5","6","4","4","5","1","1") = "5"
    & skf21("4","5","6","4","4","5","2","1") = "5"
    & skf21("4","5","6","4","4","5","3","1") = "5"
    & skf21("4","5","6","4","4","5","4","1") = "5"
    & skf21("4","5","6","4","4","5","5","1") = "5"
    & skf21("4","5","6","4","4","5","6","1") = "5"
    & skf21("4","5","6","4","4","5","7","1") = "6"
    & skf21("4","5","6","4","4","6","1","1") = "5"
    & skf21("4","5","6","4","4","6","2","1") = "5"
    & skf21("4","5","6","4","4","6","3","1") = "5"
    & skf21("4","5","6","4","4","6","4","1") = "5"
    & skf21("4","5","6","4","4","6","5","1") = "5"
    & skf21("4","5","6","4","4","6","6","1") = "5"
    & skf21("4","5","6","4","4","6","7","1") = "6"
    & skf21("4","5","6","4","4","7","1","1") = "6"
    & skf21("4","5","6","4","4","7","2","1") = "6"
    & skf21("4","5","6","4","4","7","3","1") = "6"
    & skf21("4","5","6","4","4","7","4","1") = "6"
    & skf21("4","5","6","4","4","7","5","1") = "6"
    & skf21("4","5","6","4","4","7","6","1") = "6"
    & skf21("4","5","6","4","4","7","7","1") = "6"
    & skf21("4","5","6","4","5","1","1","1") = "5"
    & skf21("4","5","6","4","5","1","2","1") = "5"
    & skf21("4","5","6","4","5","1","3","1") = "5"
    & skf21("4","5","6","4","5","1","4","1") = "5"
    & skf21("4","5","6","4","5","1","5","1") = "5"
    & skf21("4","5","6","4","5","1","6","1") = "5"
    & skf21("4","5","6","4","5","1","7","1") = "6"
    & skf21("4","5","6","4","5","2","1","1") = "5"
    & skf21("4","5","6","4","5","2","2","1") = "5"
    & skf21("4","5","6","4","5","2","3","1") = "5"
    & skf21("4","5","6","4","5","2","4","1") = "5"
    & skf21("4","5","6","4","5","2","5","1") = "5"
    & skf21("4","5","6","4","5","2","6","1") = "5"
    & skf21("4","5","6","4","5","2","7","1") = "6"
    & skf21("4","5","6","4","5","3","1","1") = "5"
    & skf21("4","5","6","4","5","3","2","1") = "5"
    & skf21("4","5","6","4","5","3","3","1") = "5"
    & skf21("4","5","6","4","5","3","4","1") = "5"
    & skf21("4","5","6","4","5","3","5","1") = "5"
    & skf21("4","5","6","4","5","3","6","1") = "5"
    & skf21("4","5","6","4","5","3","7","1") = "6"
    & skf21("4","5","6","4","5","4","1","1") = "5"
    & skf21("4","5","6","4","5","4","2","1") = "5"
    & skf21("4","5","6","4","5","4","3","1") = "5"
    & skf21("4","5","6","4","5","4","4","1") = "5"
    & skf21("4","5","6","4","5","4","5","1") = "5"
    & skf21("4","5","6","4","5","4","6","1") = "5"
    & skf21("4","5","6","4","5","4","7","1") = "6"
    & skf21("4","5","6","4","5","5","1","1") = "5"
    & skf21("4","5","6","4","5","5","2","1") = "5"
    & skf21("4","5","6","4","5","5","3","1") = "5"
    & skf21("4","5","6","4","5","5","4","1") = "5"
    & skf21("4","5","6","4","5","5","5","1") = "5"
    & skf21("4","5","6","4","5","5","6","1") = "5"
    & skf21("4","5","6","4","5","5","7","1") = "6"
    & skf21("4","5","6","4","5","6","1","1") = "5"
    & skf21("4","5","6","4","5","6","2","1") = "5"
    & skf21("4","5","6","4","5","6","3","1") = "5"
    & skf21("4","5","6","4","5","6","4","1") = "5"
    & skf21("4","5","6","4","5","6","5","1") = "5"
    & skf21("4","5","6","4","5","6","6","1") = "5"
    & skf21("4","5","6","4","5","6","7","1") = "6"
    & skf21("4","5","6","4","5","7","1","1") = "6"
    & skf21("4","5","6","4","5","7","2","1") = "6"
    & skf21("4","5","6","4","5","7","3","1") = "6"
    & skf21("4","5","6","4","5","7","4","1") = "6"
    & skf21("4","5","6","4","5","7","5","1") = "6"
    & skf21("4","5","6","4","5","7","6","1") = "6"
    & skf21("4","5","6","4","5","7","7","1") = "6"
    & skf21("4","5","6","4","6","1","1","1") = "5"
    & skf21("4","5","6","4","6","1","2","1") = "5"
    & skf21("4","5","6","4","6","1","3","1") = "5"
    & skf21("4","5","6","4","6","1","4","1") = "5"
    & skf21("4","5","6","4","6","1","5","1") = "5"
    & skf21("4","5","6","4","6","1","6","1") = "5"
    & skf21("4","5","6","4","6","1","7","1") = "6"
    & skf21("4","5","6","4","6","2","1","1") = "5"
    & skf21("4","5","6","4","6","2","2","1") = "5"
    & skf21("4","5","6","4","6","2","3","1") = "5"
    & skf21("4","5","6","4","6","2","4","1") = "5"
    & skf21("4","5","6","4","6","2","5","1") = "5"
    & skf21("4","5","6","4","6","2","6","1") = "5"
    & skf21("4","5","6","4","6","2","7","1") = "6"
    & skf21("4","5","6","4","6","3","1","1") = "5"
    & skf21("4","5","6","4","6","3","2","1") = "5"
    & skf21("4","5","6","4","6","3","3","1") = "5"
    & skf21("4","5","6","4","6","3","4","1") = "5"
    & skf21("4","5","6","4","6","3","5","1") = "5"
    & skf21("4","5","6","4","6","3","6","1") = "5"
    & skf21("4","5","6","4","6","3","7","1") = "6"
    & skf21("4","5","6","4","6","4","1","1") = "5"
    & skf21("4","5","6","4","6","4","2","1") = "5"
    & skf21("4","5","6","4","6","4","3","1") = "5"
    & skf21("4","5","6","4","6","4","4","1") = "5"
    & skf21("4","5","6","4","6","4","5","1") = "5"
    & skf21("4","5","6","4","6","4","6","1") = "5"
    & skf21("4","5","6","4","6","4","7","1") = "6"
    & skf21("4","5","6","4","6","5","1","1") = "5"
    & skf21("4","5","6","4","6","5","2","1") = "5"
    & skf21("4","5","6","4","6","5","3","1") = "5"
    & skf21("4","5","6","4","6","5","4","1") = "5"
    & skf21("4","5","6","4","6","5","5","1") = "5"
    & skf21("4","5","6","4","6","5","6","1") = "5"
    & skf21("4","5","6","4","6","5","7","1") = "6"
    & skf21("4","5","6","4","6","6","1","1") = "5"
    & skf21("4","5","6","4","6","6","2","1") = "5"
    & skf21("4","5","6","4","6","6","3","1") = "5"
    & skf21("4","5","6","4","6","6","4","1") = "5"
    & skf21("4","5","6","4","6","6","5","1") = "5"
    & skf21("4","5","6","4","6","6","6","1") = "5"
    & skf21("4","5","6","4","6","6","7","1") = "6"
    & skf21("4","5","6","4","6","7","1","1") = "6"
    & skf21("4","5","6","4","6","7","2","1") = "6"
    & skf21("4","5","6","4","6","7","3","1") = "6"
    & skf21("4","5","6","4","6","7","4","1") = "6"
    & skf21("4","5","6","4","6","7","5","1") = "6"
    & skf21("4","5","6","4","6","7","6","1") = "6"
    & skf21("4","5","6","4","6","7","7","1") = "6"
    & skf21("4","5","6","4","7","1","1","1") = "6"
    & skf21("4","5","6","4","7","1","2","1") = "6"
    & skf21("4","5","6","4","7","1","3","1") = "6"
    & skf21("4","5","6","4","7","1","4","1") = "6"
    & skf21("4","5","6","4","7","1","5","1") = "6"
    & skf21("4","5","6","4","7","1","6","1") = "6"
    & skf21("4","5","6","4","7","1","7","1") = "6"
    & skf21("4","5","6","4","7","2","1","1") = "6"
    & skf21("4","5","6","4","7","2","2","1") = "6"
    & skf21("4","5","6","4","7","2","3","1") = "6"
    & skf21("4","5","6","4","7","2","4","1") = "6"
    & skf21("4","5","6","4","7","2","5","1") = "6"
    & skf21("4","5","6","4","7","2","6","1") = "6"
    & skf21("4","5","6","4","7","2","7","1") = "6"
    & skf21("4","5","6","4","7","3","1","1") = "6"
    & skf21("4","5","6","4","7","3","2","1") = "6"
    & skf21("4","5","6","4","7","3","3","1") = "6"
    & skf21("4","5","6","4","7","3","4","1") = "6"
    & skf21("4","5","6","4","7","3","5","1") = "6"
    & skf21("4","5","6","4","7","3","6","1") = "6"
    & skf21("4","5","6","4","7","3","7","1") = "6"
    & skf21("4","5","6","4","7","4","1","1") = "6"
    & skf21("4","5","6","4","7","4","2","1") = "6"
    & skf21("4","5","6","4","7","4","3","1") = "6"
    & skf21("4","5","6","4","7","4","4","1") = "6"
    & skf21("4","5","6","4","7","4","5","1") = "6"
    & skf21("4","5","6","4","7","4","6","1") = "6"
    & skf21("4","5","6","4","7","4","7","1") = "6"
    & skf21("4","5","6","4","7","5","1","1") = "6"
    & skf21("4","5","6","4","7","5","2","1") = "6"
    & skf21("4","5","6","4","7","5","3","1") = "6"
    & skf21("4","5","6","4","7","5","4","1") = "6"
    & skf21("4","5","6","4","7","5","5","1") = "6"
    & skf21("4","5","6","4","7","5","6","1") = "6"
    & skf21("4","5","6","4","7","5","7","1") = "6"
    & skf21("4","5","6","4","7","6","1","1") = "6"
    & skf21("4","5","6","4","7","6","2","1") = "6"
    & skf21("4","5","6","4","7","6","3","1") = "6"
    & skf21("4","5","6","4","7","6","4","1") = "6"
    & skf21("4","5","6","4","7","6","5","1") = "6"
    & skf21("4","5","6","4","7","6","6","1") = "6"
    & skf21("4","5","6","4","7","6","7","1") = "6"
    & skf21("4","5","6","4","7","7","1","1") = "6"
    & skf21("4","5","6","4","7","7","2","1") = "6"
    & skf21("4","5","6","4","7","7","3","1") = "6"
    & skf21("4","5","6","4","7","7","4","1") = "6"
    & skf21("4","5","6","4","7","7","5","1") = "6"
    & skf21("4","5","6","4","7","7","6","1") = "6"
    & skf21("4","5","6","4","7","7","7","1") = "6"
    & skf21("4","5","6","5","1","1","1","1") = "5"
    & skf21("4","5","6","5","1","1","2","1") = "5"
    & skf21("4","5","6","5","1","1","3","1") = "5"
    & skf21("4","5","6","5","1","1","4","1") = "5"
    & skf21("4","5","6","5","1","1","5","1") = "5"
    & skf21("4","5","6","5","1","1","6","1") = "5"
    & skf21("4","5","6","5","1","1","7","1") = "6"
    & skf21("4","5","6","5","1","2","1","1") = "5"
    & skf21("4","5","6","5","1","2","2","1") = "5"
    & skf21("4","5","6","5","1","2","3","1") = "5"
    & skf21("4","5","6","5","1","2","4","1") = "5"
    & skf21("4","5","6","5","1","2","5","1") = "5"
    & skf21("4","5","6","5","1","2","6","1") = "5"
    & skf21("4","5","6","5","1","2","7","1") = "6"
    & skf21("4","5","6","5","1","3","1","1") = "5"
    & skf21("4","5","6","5","1","3","2","1") = "5"
    & skf21("4","5","6","5","1","3","3","1") = "5"
    & skf21("4","5","6","5","1","3","4","1") = "5"
    & skf21("4","5","6","5","1","3","5","1") = "5"
    & skf21("4","5","6","5","1","3","6","1") = "5"
    & skf21("4","5","6","5","1","3","7","1") = "6"
    & skf21("4","5","6","5","1","4","1","1") = "5"
    & skf21("4","5","6","5","1","4","2","1") = "5"
    & skf21("4","5","6","5","1","4","3","1") = "5"
    & skf21("4","5","6","5","1","4","4","1") = "5"
    & skf21("4","5","6","5","1","4","5","1") = "5"
    & skf21("4","5","6","5","1","4","6","1") = "5"
    & skf21("4","5","6","5","1","4","7","1") = "6"
    & skf21("4","5","6","5","1","5","1","1") = "5"
    & skf21("4","5","6","5","1","5","2","1") = "5"
    & skf21("4","5","6","5","1","5","3","1") = "5"
    & skf21("4","5","6","5","1","5","4","1") = "5"
    & skf21("4","5","6","5","1","5","5","1") = "5"
    & skf21("4","5","6","5","1","5","6","1") = "5"
    & skf21("4","5","6","5","1","5","7","1") = "6"
    & skf21("4","5","6","5","1","6","1","1") = "5"
    & skf21("4","5","6","5","1","6","2","1") = "5"
    & skf21("4","5","6","5","1","6","3","1") = "5"
    & skf21("4","5","6","5","1","6","4","1") = "5"
    & skf21("4","5","6","5","1","6","5","1") = "5"
    & skf21("4","5","6","5","1","6","6","1") = "5"
    & skf21("4","5","6","5","1","6","7","1") = "6"
    & skf21("4","5","6","5","1","7","1","1") = "6"
    & skf21("4","5","6","5","1","7","2","1") = "6"
    & skf21("4","5","6","5","1","7","3","1") = "6"
    & skf21("4","5","6","5","1","7","4","1") = "6"
    & skf21("4","5","6","5","1","7","5","1") = "6"
    & skf21("4","5","6","5","1","7","6","1") = "6"
    & skf21("4","5","6","5","1","7","7","1") = "6"
    & skf21("4","5","6","5","2","1","1","1") = "5"
    & skf21("4","5","6","5","2","1","2","1") = "5"
    & skf21("4","5","6","5","2","1","3","1") = "5"
    & skf21("4","5","6","5","2","1","4","1") = "5"
    & skf21("4","5","6","5","2","1","5","1") = "5"
    & skf21("4","5","6","5","2","1","6","1") = "5"
    & skf21("4","5","6","5","2","1","7","1") = "6"
    & skf21("4","5","6","5","2","2","1","1") = "5"
    & skf21("4","5","6","5","2","2","2","1") = "5"
    & skf21("4","5","6","5","2","2","3","1") = "5"
    & skf21("4","5","6","5","2","2","4","1") = "5"
    & skf21("4","5","6","5","2","2","5","1") = "5"
    & skf21("4","5","6","5","2","2","6","1") = "5"
    & skf21("4","5","6","5","2","2","7","1") = "6"
    & skf21("4","5","6","5","2","3","1","1") = "5"
    & skf21("4","5","6","5","2","3","2","1") = "5"
    & skf21("4","5","6","5","2","3","3","1") = "5"
    & skf21("4","5","6","5","2","3","4","1") = "5"
    & skf21("4","5","6","5","2","3","5","1") = "5"
    & skf21("4","5","6","5","2","3","6","1") = "5"
    & skf21("4","5","6","5","2","3","7","1") = "6"
    & skf21("4","5","6","5","2","4","1","1") = "5"
    & skf21("4","5","6","5","2","4","2","1") = "5"
    & skf21("4","5","6","5","2","4","3","1") = "5"
    & skf21("4","5","6","5","2","4","4","1") = "5"
    & skf21("4","5","6","5","2","4","5","1") = "5"
    & skf21("4","5","6","5","2","4","6","1") = "5"
    & skf21("4","5","6","5","2","4","7","1") = "6"
    & skf21("4","5","6","5","2","5","1","1") = "5"
    & skf21("4","5","6","5","2","5","2","1") = "5"
    & skf21("4","5","6","5","2","5","3","1") = "5"
    & skf21("4","5","6","5","2","5","4","1") = "5"
    & skf21("4","5","6","5","2","5","5","1") = "5"
    & skf21("4","5","6","5","2","5","6","1") = "5"
    & skf21("4","5","6","5","2","5","7","1") = "6"
    & skf21("4","5","6","5","2","6","1","1") = "5"
    & skf21("4","5","6","5","2","6","2","1") = "5"
    & skf21("4","5","6","5","2","6","3","1") = "5"
    & skf21("4","5","6","5","2","6","4","1") = "5"
    & skf21("4","5","6","5","2","6","5","1") = "5"
    & skf21("4","5","6","5","2","6","6","1") = "5"
    & skf21("4","5","6","5","2","6","7","1") = "6"
    & skf21("4","5","6","5","2","7","1","1") = "6"
    & skf21("4","5","6","5","2","7","2","1") = "6"
    & skf21("4","5","6","5","2","7","3","1") = "6"
    & skf21("4","5","6","5","2","7","4","1") = "6"
    & skf21("4","5","6","5","2","7","5","1") = "6"
    & skf21("4","5","6","5","2","7","6","1") = "6"
    & skf21("4","5","6","5","2","7","7","1") = "6"
    & skf21("4","5","6","5","3","1","1","1") = "5"
    & skf21("4","5","6","5","3","1","2","1") = "5"
    & skf21("4","5","6","5","3","1","3","1") = "5"
    & skf21("4","5","6","5","3","1","4","1") = "5"
    & skf21("4","5","6","5","3","1","5","1") = "5"
    & skf21("4","5","6","5","3","1","6","1") = "5"
    & skf21("4","5","6","5","3","1","7","1") = "6"
    & skf21("4","5","6","5","3","2","1","1") = "5"
    & skf21("4","5","6","5","3","2","2","1") = "5"
    & skf21("4","5","6","5","3","2","3","1") = "5"
    & skf21("4","5","6","5","3","2","4","1") = "5"
    & skf21("4","5","6","5","3","2","5","1") = "5"
    & skf21("4","5","6","5","3","2","6","1") = "5"
    & skf21("4","5","6","5","3","2","7","1") = "6"
    & skf21("4","5","6","5","3","3","1","1") = "5"
    & skf21("4","5","6","5","3","3","2","1") = "5"
    & skf21("4","5","6","5","3","3","3","1") = "5"
    & skf21("4","5","6","5","3","3","4","1") = "5"
    & skf21("4","5","6","5","3","3","5","1") = "5"
    & skf21("4","5","6","5","3","3","6","1") = "5"
    & skf21("4","5","6","5","3","3","7","1") = "6"
    & skf21("4","5","6","5","3","4","1","1") = "5"
    & skf21("4","5","6","5","3","4","2","1") = "5"
    & skf21("4","5","6","5","3","4","3","1") = "5"
    & skf21("4","5","6","5","3","4","4","1") = "5"
    & skf21("4","5","6","5","3","4","5","1") = "5"
    & skf21("4","5","6","5","3","4","6","1") = "5"
    & skf21("4","5","6","5","3","4","7","1") = "6"
    & skf21("4","5","6","5","3","5","1","1") = "5"
    & skf21("4","5","6","5","3","5","2","1") = "5"
    & skf21("4","5","6","5","3","5","3","1") = "5"
    & skf21("4","5","6","5","3","5","4","1") = "5"
    & skf21("4","5","6","5","3","5","5","1") = "5"
    & skf21("4","5","6","5","3","5","6","1") = "5"
    & skf21("4","5","6","5","3","5","7","1") = "6"
    & skf21("4","5","6","5","3","6","1","1") = "5"
    & skf21("4","5","6","5","3","6","2","1") = "5"
    & skf21("4","5","6","5","3","6","3","1") = "5"
    & skf21("4","5","6","5","3","6","4","1") = "5"
    & skf21("4","5","6","5","3","6","5","1") = "5"
    & skf21("4","5","6","5","3","6","6","1") = "5"
    & skf21("4","5","6","5","3","6","7","1") = "6"
    & skf21("4","5","6","5","3","7","1","1") = "6"
    & skf21("4","5","6","5","3","7","2","1") = "6"
    & skf21("4","5","6","5","3","7","3","1") = "6"
    & skf21("4","5","6","5","3","7","4","1") = "6"
    & skf21("4","5","6","5","3","7","5","1") = "6"
    & skf21("4","5","6","5","3","7","6","1") = "6"
    & skf21("4","5","6","5","3","7","7","1") = "6"
    & skf21("4","5","6","5","4","1","1","1") = "5"
    & skf21("4","5","6","5","4","1","2","1") = "5"
    & skf21("4","5","6","5","4","1","3","1") = "5"
    & skf21("4","5","6","5","4","1","4","1") = "5"
    & skf21("4","5","6","5","4","1","5","1") = "5"
    & skf21("4","5","6","5","4","1","6","1") = "5"
    & skf21("4","5","6","5","4","1","7","1") = "6"
    & skf21("4","5","6","5","4","2","1","1") = "5"
    & skf21("4","5","6","5","4","2","2","1") = "5"
    & skf21("4","5","6","5","4","2","3","1") = "5"
    & skf21("4","5","6","5","4","2","4","1") = "5"
    & skf21("4","5","6","5","4","2","5","1") = "5"
    & skf21("4","5","6","5","4","2","6","1") = "5"
    & skf21("4","5","6","5","4","2","7","1") = "6"
    & skf21("4","5","6","5","4","3","1","1") = "5"
    & skf21("4","5","6","5","4","3","2","1") = "5"
    & skf21("4","5","6","5","4","3","3","1") = "5"
    & skf21("4","5","6","5","4","3","4","1") = "5"
    & skf21("4","5","6","5","4","3","5","1") = "5"
    & skf21("4","5","6","5","4","3","6","1") = "5"
    & skf21("4","5","6","5","4","3","7","1") = "6"
    & skf21("4","5","6","5","4","4","1","1") = "5"
    & skf21("4","5","6","5","4","4","2","1") = "5"
    & skf21("4","5","6","5","4","4","3","1") = "5"
    & skf21("4","5","6","5","4","4","4","1") = "5"
    & skf21("4","5","6","5","4","4","5","1") = "5"
    & skf21("4","5","6","5","4","4","6","1") = "5"
    & skf21("4","5","6","5","4","4","7","1") = "6"
    & skf21("4","5","6","5","4","5","1","1") = "5"
    & skf21("4","5","6","5","4","5","2","1") = "5"
    & skf21("4","5","6","5","4","5","3","1") = "5"
    & skf21("4","5","6","5","4","5","4","1") = "5"
    & skf21("4","5","6","5","4","5","5","1") = "5"
    & skf21("4","5","6","5","4","5","6","1") = "5"
    & skf21("4","5","6","5","4","5","7","1") = "6"
    & skf21("4","5","6","5","4","6","1","1") = "5"
    & skf21("4","5","6","5","4","6","2","1") = "5"
    & skf21("4","5","6","5","4","6","3","1") = "5"
    & skf21("4","5","6","5","4","6","4","1") = "5"
    & skf21("4","5","6","5","4","6","5","1") = "5"
    & skf21("4","5","6","5","4","6","6","1") = "5"
    & skf21("4","5","6","5","4","6","7","1") = "6"
    & skf21("4","5","6","5","4","7","1","1") = "6"
    & skf21("4","5","6","5","4","7","2","1") = "6"
    & skf21("4","5","6","5","4","7","3","1") = "6"
    & skf21("4","5","6","5","4","7","4","1") = "6"
    & skf21("4","5","6","5","4","7","5","1") = "6"
    & skf21("4","5","6","5","4","7","6","1") = "6"
    & skf21("4","5","6","5","4","7","7","1") = "6"
    & skf21("4","5","6","5","5","1","1","1") = "5"
    & skf21("4","5","6","5","5","1","2","1") = "5"
    & skf21("4","5","6","5","5","1","3","1") = "5"
    & skf21("4","5","6","5","5","1","4","1") = "5"
    & skf21("4","5","6","5","5","1","5","1") = "5"
    & skf21("4","5","6","5","5","1","6","1") = "5"
    & skf21("4","5","6","5","5","1","7","1") = "6"
    & skf21("4","5","6","5","5","2","1","1") = "5"
    & skf21("4","5","6","5","5","2","2","1") = "5"
    & skf21("4","5","6","5","5","2","3","1") = "5"
    & skf21("4","5","6","5","5","2","4","1") = "5"
    & skf21("4","5","6","5","5","2","5","1") = "5"
    & skf21("4","5","6","5","5","2","6","1") = "5"
    & skf21("4","5","6","5","5","2","7","1") = "6"
    & skf21("4","5","6","5","5","3","1","1") = "5"
    & skf21("4","5","6","5","5","3","2","1") = "5"
    & skf21("4","5","6","5","5","3","3","1") = "5"
    & skf21("4","5","6","5","5","3","4","1") = "5"
    & skf21("4","5","6","5","5","3","5","1") = "5"
    & skf21("4","5","6","5","5","3","6","1") = "5"
    & skf21("4","5","6","5","5","3","7","1") = "6"
    & skf21("4","5","6","5","5","4","1","1") = "5"
    & skf21("4","5","6","5","5","4","2","1") = "5"
    & skf21("4","5","6","5","5","4","3","1") = "5"
    & skf21("4","5","6","5","5","4","4","1") = "5"
    & skf21("4","5","6","5","5","4","5","1") = "5"
    & skf21("4","5","6","5","5","4","6","1") = "5"
    & skf21("4","5","6","5","5","4","7","1") = "6"
    & skf21("4","5","6","5","5","5","1","1") = "5"
    & skf21("4","5","6","5","5","5","2","1") = "5"
    & skf21("4","5","6","5","5","5","3","1") = "5"
    & skf21("4","5","6","5","5","5","4","1") = "5"
    & skf21("4","5","6","5","5","5","5","1") = "5"
    & skf21("4","5","6","5","5","5","6","1") = "5"
    & skf21("4","5","6","5","5","5","7","1") = "6"
    & skf21("4","5","6","5","5","6","1","1") = "5"
    & skf21("4","5","6","5","5","6","2","1") = "5"
    & skf21("4","5","6","5","5","6","3","1") = "5"
    & skf21("4","5","6","5","5","6","4","1") = "5"
    & skf21("4","5","6","5","5","6","5","1") = "5"
    & skf21("4","5","6","5","5","6","6","1") = "5"
    & skf21("4","5","6","5","5","6","7","1") = "6"
    & skf21("4","5","6","5","5","7","1","1") = "6"
    & skf21("4","5","6","5","5","7","2","1") = "6"
    & skf21("4","5","6","5","5","7","3","1") = "6"
    & skf21("4","5","6","5","5","7","4","1") = "6"
    & skf21("4","5","6","5","5","7","5","1") = "6"
    & skf21("4","5","6","5","5","7","6","1") = "6"
    & skf21("4","5","6","5","5","7","7","1") = "6"
    & skf21("4","5","6","5","6","1","1","1") = "5"
    & skf21("4","5","6","5","6","1","2","1") = "5"
    & skf21("4","5","6","5","6","1","3","1") = "5"
    & skf21("4","5","6","5","6","1","4","1") = "5"
    & skf21("4","5","6","5","6","1","5","1") = "5"
    & skf21("4","5","6","5","6","1","6","1") = "5"
    & skf21("4","5","6","5","6","1","7","1") = "6"
    & skf21("4","5","6","5","6","2","1","1") = "5"
    & skf21("4","5","6","5","6","2","2","1") = "5"
    & skf21("4","5","6","5","6","2","3","1") = "5"
    & skf21("4","5","6","5","6","2","4","1") = "5"
    & skf21("4","5","6","5","6","2","5","1") = "5"
    & skf21("4","5","6","5","6","2","6","1") = "5"
    & skf21("4","5","6","5","6","2","7","1") = "6"
    & skf21("4","5","6","5","6","3","1","1") = "5"
    & skf21("4","5","6","5","6","3","2","1") = "5"
    & skf21("4","5","6","5","6","3","3","1") = "5"
    & skf21("4","5","6","5","6","3","4","1") = "5"
    & skf21("4","5","6","5","6","3","5","1") = "5"
    & skf21("4","5","6","5","6","3","6","1") = "5"
    & skf21("4","5","6","5","6","3","7","1") = "6"
    & skf21("4","5","6","5","6","4","1","1") = "5"
    & skf21("4","5","6","5","6","4","2","1") = "5"
    & skf21("4","5","6","5","6","4","3","1") = "5"
    & skf21("4","5","6","5","6","4","4","1") = "5"
    & skf21("4","5","6","5","6","4","5","1") = "5"
    & skf21("4","5","6","5","6","4","6","1") = "5"
    & skf21("4","5","6","5","6","4","7","1") = "6"
    & skf21("4","5","6","5","6","5","1","1") = "5"
    & skf21("4","5","6","5","6","5","2","1") = "5"
    & skf21("4","5","6","5","6","5","3","1") = "5"
    & skf21("4","5","6","5","6","5","4","1") = "5"
    & skf21("4","5","6","5","6","5","5","1") = "5"
    & skf21("4","5","6","5","6","5","6","1") = "5"
    & skf21("4","5","6","5","6","5","7","1") = "6"
    & skf21("4","5","6","5","6","6","1","1") = "5"
    & skf21("4","5","6","5","6","6","2","1") = "5"
    & skf21("4","5","6","5","6","6","3","1") = "5"
    & skf21("4","5","6","5","6","6","4","1") = "5"
    & skf21("4","5","6","5","6","6","5","1") = "5"
    & skf21("4","5","6","5","6","6","6","1") = "5"
    & skf21("4","5","6","5","6","6","7","1") = "6"
    & skf21("4","5","6","5","6","7","1","1") = "6"
    & skf21("4","5","6","5","6","7","2","1") = "6"
    & skf21("4","5","6","5","6","7","3","1") = "6"
    & skf21("4","5","6","5","6","7","4","1") = "6"
    & skf21("4","5","6","5","6","7","5","1") = "6"
    & skf21("4","5","6","5","6","7","6","1") = "6"
    & skf21("4","5","6","5","6","7","7","1") = "6"
    & skf21("4","5","6","5","7","1","1","1") = "6"
    & skf21("4","5","6","5","7","1","2","1") = "6"
    & skf21("4","5","6","5","7","1","3","1") = "6"
    & skf21("4","5","6","5","7","1","4","1") = "6"
    & skf21("4","5","6","5","7","1","5","1") = "6"
    & skf21("4","5","6","5","7","1","6","1") = "6"
    & skf21("4","5","6","5","7","1","7","1") = "6"
    & skf21("4","5","6","5","7","2","1","1") = "6"
    & skf21("4","5","6","5","7","2","2","1") = "6"
    & skf21("4","5","6","5","7","2","3","1") = "6"
    & skf21("4","5","6","5","7","2","4","1") = "6"
    & skf21("4","5","6","5","7","2","5","1") = "6"
    & skf21("4","5","6","5","7","2","6","1") = "6"
    & skf21("4","5","6","5","7","2","7","1") = "6"
    & skf21("4","5","6","5","7","3","1","1") = "6"
    & skf21("4","5","6","5","7","3","2","1") = "6"
    & skf21("4","5","6","5","7","3","3","1") = "6"
    & skf21("4","5","6","5","7","3","4","1") = "6"
    & skf21("4","5","6","5","7","3","5","1") = "6"
    & skf21("4","5","6","5","7","3","6","1") = "6"
    & skf21("4","5","6","5","7","3","7","1") = "6"
    & skf21("4","5","6","5","7","4","1","1") = "6"
    & skf21("4","5","6","5","7","4","2","1") = "6"
    & skf21("4","5","6","5","7","4","3","1") = "6"
    & skf21("4","5","6","5","7","4","4","1") = "6"
    & skf21("4","5","6","5","7","4","5","1") = "6"
    & skf21("4","5","6","5","7","4","6","1") = "6"
    & skf21("4","5","6","5","7","4","7","1") = "6"
    & skf21("4","5","6","5","7","5","1","1") = "6"
    & skf21("4","5","6","5","7","5","2","1") = "6"
    & skf21("4","5","6","5","7","5","3","1") = "6"
    & skf21("4","5","6","5","7","5","4","1") = "6"
    & skf21("4","5","6","5","7","5","5","1") = "6"
    & skf21("4","5","6","5","7","5","6","1") = "6"
    & skf21("4","5","6","5","7","5","7","1") = "6"
    & skf21("4","5","6","5","7","6","1","1") = "6"
    & skf21("4","5","6","5","7","6","2","1") = "6"
    & skf21("4","5","6","5","7","6","3","1") = "6"
    & skf21("4","5","6","5","7","6","4","1") = "6"
    & skf21("4","5","6","5","7","6","5","1") = "6"
    & skf21("4","5","6","5","7","6","6","1") = "6"
    & skf21("4","5","6","5","7","6","7","1") = "6"
    & skf21("4","5","6","5","7","7","1","1") = "6"
    & skf21("4","5","6","5","7","7","2","1") = "6"
    & skf21("4","5","6","5","7","7","3","1") = "6"
    & skf21("4","5","6","5","7","7","4","1") = "6"
    & skf21("4","5","6","5","7","7","5","1") = "6"
    & skf21("4","5","6","5","7","7","6","1") = "6"
    & skf21("4","5","6","5","7","7","7","1") = "6"
    & skf21("4","5","6","6","1","1","1","1") = "5"
    & skf21("4","5","6","6","1","1","2","1") = "5"
    & skf21("4","5","6","6","1","1","3","1") = "5"
    & skf21("4","5","6","6","1","1","4","1") = "5"
    & skf21("4","5","6","6","1","1","5","1") = "5"
    & skf21("4","5","6","6","1","1","6","1") = "5"
    & skf21("4","5","6","6","1","1","7","1") = "6"
    & skf21("4","5","6","6","1","2","1","1") = "5"
    & skf21("4","5","6","6","1","2","2","1") = "5"
    & skf21("4","5","6","6","1","2","3","1") = "5"
    & skf21("4","5","6","6","1","2","4","1") = "5"
    & skf21("4","5","6","6","1","2","5","1") = "5"
    & skf21("4","5","6","6","1","2","6","1") = "5"
    & skf21("4","5","6","6","1","2","7","1") = "6"
    & skf21("4","5","6","6","1","3","1","1") = "5"
    & skf21("4","5","6","6","1","3","2","1") = "5"
    & skf21("4","5","6","6","1","3","3","1") = "5"
    & skf21("4","5","6","6","1","3","4","1") = "5"
    & skf21("4","5","6","6","1","3","5","1") = "5"
    & skf21("4","5","6","6","1","3","6","1") = "5"
    & skf21("4","5","6","6","1","3","7","1") = "6"
    & skf21("4","5","6","6","1","4","1","1") = "5"
    & skf21("4","5","6","6","1","4","2","1") = "5"
    & skf21("4","5","6","6","1","4","3","1") = "5"
    & skf21("4","5","6","6","1","4","4","1") = "5"
    & skf21("4","5","6","6","1","4","5","1") = "5"
    & skf21("4","5","6","6","1","4","6","1") = "5"
    & skf21("4","5","6","6","1","4","7","1") = "6"
    & skf21("4","5","6","6","1","5","1","1") = "5"
    & skf21("4","5","6","6","1","5","2","1") = "5"
    & skf21("4","5","6","6","1","5","3","1") = "5"
    & skf21("4","5","6","6","1","5","4","1") = "5"
    & skf21("4","5","6","6","1","5","5","1") = "5"
    & skf21("4","5","6","6","1","5","6","1") = "5"
    & skf21("4","5","6","6","1","5","7","1") = "6"
    & skf21("4","5","6","6","1","6","1","1") = "5"
    & skf21("4","5","6","6","1","6","2","1") = "5"
    & skf21("4","5","6","6","1","6","3","1") = "5"
    & skf21("4","5","6","6","1","6","4","1") = "5"
    & skf21("4","5","6","6","1","6","5","1") = "5"
    & skf21("4","5","6","6","1","6","6","1") = "5"
    & skf21("4","5","6","6","1","6","7","1") = "6"
    & skf21("4","5","6","6","1","7","1","1") = "6"
    & skf21("4","5","6","6","1","7","2","1") = "6"
    & skf21("4","5","6","6","1","7","3","1") = "6"
    & skf21("4","5","6","6","1","7","4","1") = "6"
    & skf21("4","5","6","6","1","7","5","1") = "6"
    & skf21("4","5","6","6","1","7","6","1") = "6"
    & skf21("4","5","6","6","1","7","7","1") = "6"
    & skf21("4","5","6","6","2","1","1","1") = "5"
    & skf21("4","5","6","6","2","1","2","1") = "5"
    & skf21("4","5","6","6","2","1","3","1") = "5"
    & skf21("4","5","6","6","2","1","4","1") = "5"
    & skf21("4","5","6","6","2","1","5","1") = "5"
    & skf21("4","5","6","6","2","1","6","1") = "5"
    & skf21("4","5","6","6","2","1","7","1") = "6"
    & skf21("4","5","6","6","2","2","1","1") = "5"
    & skf21("4","5","6","6","2","2","2","1") = "5"
    & skf21("4","5","6","6","2","2","3","1") = "5"
    & skf21("4","5","6","6","2","2","4","1") = "5"
    & skf21("4","5","6","6","2","2","5","1") = "5"
    & skf21("4","5","6","6","2","2","6","1") = "5"
    & skf21("4","5","6","6","2","2","7","1") = "6"
    & skf21("4","5","6","6","2","3","1","1") = "5"
    & skf21("4","5","6","6","2","3","2","1") = "5"
    & skf21("4","5","6","6","2","3","3","1") = "5"
    & skf21("4","5","6","6","2","3","4","1") = "5"
    & skf21("4","5","6","6","2","3","5","1") = "5"
    & skf21("4","5","6","6","2","3","6","1") = "5"
    & skf21("4","5","6","6","2","3","7","1") = "6"
    & skf21("4","5","6","6","2","4","1","1") = "5"
    & skf21("4","5","6","6","2","4","2","1") = "5"
    & skf21("4","5","6","6","2","4","3","1") = "5"
    & skf21("4","5","6","6","2","4","4","1") = "5"
    & skf21("4","5","6","6","2","4","5","1") = "5"
    & skf21("4","5","6","6","2","4","6","1") = "5"
    & skf21("4","5","6","6","2","4","7","1") = "6"
    & skf21("4","5","6","6","2","5","1","1") = "5"
    & skf21("4","5","6","6","2","5","2","1") = "5"
    & skf21("4","5","6","6","2","5","3","1") = "5"
    & skf21("4","5","6","6","2","5","4","1") = "5"
    & skf21("4","5","6","6","2","5","5","1") = "5"
    & skf21("4","5","6","6","2","5","6","1") = "5"
    & skf21("4","5","6","6","2","5","7","1") = "6"
    & skf21("4","5","6","6","2","6","1","1") = "5"
    & skf21("4","5","6","6","2","6","2","1") = "5"
    & skf21("4","5","6","6","2","6","3","1") = "5"
    & skf21("4","5","6","6","2","6","4","1") = "5"
    & skf21("4","5","6","6","2","6","5","1") = "5"
    & skf21("4","5","6","6","2","6","6","1") = "5"
    & skf21("4","5","6","6","2","6","7","1") = "6"
    & skf21("4","5","6","6","2","7","1","1") = "6"
    & skf21("4","5","6","6","2","7","2","1") = "6"
    & skf21("4","5","6","6","2","7","3","1") = "6"
    & skf21("4","5","6","6","2","7","4","1") = "6"
    & skf21("4","5","6","6","2","7","5","1") = "6"
    & skf21("4","5","6","6","2","7","6","1") = "6"
    & skf21("4","5","6","6","2","7","7","1") = "6"
    & skf21("4","5","6","6","3","1","1","1") = "5"
    & skf21("4","5","6","6","3","1","2","1") = "5"
    & skf21("4","5","6","6","3","1","3","1") = "5"
    & skf21("4","5","6","6","3","1","4","1") = "5"
    & skf21("4","5","6","6","3","1","5","1") = "5"
    & skf21("4","5","6","6","3","1","6","1") = "5"
    & skf21("4","5","6","6","3","1","7","1") = "6"
    & skf21("4","5","6","6","3","2","1","1") = "5"
    & skf21("4","5","6","6","3","2","2","1") = "5"
    & skf21("4","5","6","6","3","2","3","1") = "5"
    & skf21("4","5","6","6","3","2","4","1") = "5"
    & skf21("4","5","6","6","3","2","5","1") = "5"
    & skf21("4","5","6","6","3","2","6","1") = "5"
    & skf21("4","5","6","6","3","2","7","1") = "6"
    & skf21("4","5","6","6","3","3","1","1") = "5"
    & skf21("4","5","6","6","3","3","2","1") = "5"
    & skf21("4","5","6","6","3","3","3","1") = "5"
    & skf21("4","5","6","6","3","3","4","1") = "5"
    & skf21("4","5","6","6","3","3","5","1") = "5"
    & skf21("4","5","6","6","3","3","6","1") = "5"
    & skf21("4","5","6","6","3","3","7","1") = "6"
    & skf21("4","5","6","6","3","4","1","1") = "5"
    & skf21("4","5","6","6","3","4","2","1") = "5"
    & skf21("4","5","6","6","3","4","3","1") = "5"
    & skf21("4","5","6","6","3","4","4","1") = "5"
    & skf21("4","5","6","6","3","4","5","1") = "5"
    & skf21("4","5","6","6","3","4","6","1") = "5"
    & skf21("4","5","6","6","3","4","7","1") = "6"
    & skf21("4","5","6","6","3","5","1","1") = "5"
    & skf21("4","5","6","6","3","5","2","1") = "5"
    & skf21("4","5","6","6","3","5","3","1") = "5"
    & skf21("4","5","6","6","3","5","4","1") = "5"
    & skf21("4","5","6","6","3","5","5","1") = "5"
    & skf21("4","5","6","6","3","5","6","1") = "5"
    & skf21("4","5","6","6","3","5","7","1") = "6"
    & skf21("4","5","6","6","3","6","1","1") = "5"
    & skf21("4","5","6","6","3","6","2","1") = "5"
    & skf21("4","5","6","6","3","6","3","1") = "5"
    & skf21("4","5","6","6","3","6","4","1") = "5"
    & skf21("4","5","6","6","3","6","5","1") = "5"
    & skf21("4","5","6","6","3","6","6","1") = "5"
    & skf21("4","5","6","6","3","6","7","1") = "6"
    & skf21("4","5","6","6","3","7","1","1") = "6"
    & skf21("4","5","6","6","3","7","2","1") = "6"
    & skf21("4","5","6","6","3","7","3","1") = "6"
    & skf21("4","5","6","6","3","7","4","1") = "6"
    & skf21("4","5","6","6","3","7","5","1") = "6"
    & skf21("4","5","6","6","3","7","6","1") = "6"
    & skf21("4","5","6","6","3","7","7","1") = "6"
    & skf21("4","5","6","6","4","1","1","1") = "5"
    & skf21("4","5","6","6","4","1","2","1") = "5"
    & skf21("4","5","6","6","4","1","3","1") = "5"
    & skf21("4","5","6","6","4","1","4","1") = "5"
    & skf21("4","5","6","6","4","1","5","1") = "5"
    & skf21("4","5","6","6","4","1","6","1") = "5"
    & skf21("4","5","6","6","4","1","7","1") = "6"
    & skf21("4","5","6","6","4","2","1","1") = "5"
    & skf21("4","5","6","6","4","2","2","1") = "5"
    & skf21("4","5","6","6","4","2","3","1") = "5"
    & skf21("4","5","6","6","4","2","4","1") = "5"
    & skf21("4","5","6","6","4","2","5","1") = "5"
    & skf21("4","5","6","6","4","2","6","1") = "5"
    & skf21("4","5","6","6","4","2","7","1") = "6"
    & skf21("4","5","6","6","4","3","1","1") = "5"
    & skf21("4","5","6","6","4","3","2","1") = "5"
    & skf21("4","5","6","6","4","3","3","1") = "5"
    & skf21("4","5","6","6","4","3","4","1") = "5"
    & skf21("4","5","6","6","4","3","5","1") = "5"
    & skf21("4","5","6","6","4","3","6","1") = "5"
    & skf21("4","5","6","6","4","3","7","1") = "6"
    & skf21("4","5","6","6","4","4","1","1") = "5"
    & skf21("4","5","6","6","4","4","2","1") = "5"
    & skf21("4","5","6","6","4","4","3","1") = "5"
    & skf21("4","5","6","6","4","4","4","1") = "5"
    & skf21("4","5","6","6","4","4","5","1") = "5"
    & skf21("4","5","6","6","4","4","6","1") = "5"
    & skf21("4","5","6","6","4","4","7","1") = "6"
    & skf21("4","5","6","6","4","5","1","1") = "5"
    & skf21("4","5","6","6","4","5","2","1") = "5"
    & skf21("4","5","6","6","4","5","3","1") = "5"
    & skf21("4","5","6","6","4","5","4","1") = "5"
    & skf21("4","5","6","6","4","5","5","1") = "5"
    & skf21("4","5","6","6","4","5","6","1") = "5"
    & skf21("4","5","6","6","4","5","7","1") = "6"
    & skf21("4","5","6","6","4","6","1","1") = "5"
    & skf21("4","5","6","6","4","6","2","1") = "5"
    & skf21("4","5","6","6","4","6","3","1") = "5"
    & skf21("4","5","6","6","4","6","4","1") = "5"
    & skf21("4","5","6","6","4","6","5","1") = "5"
    & skf21("4","5","6","6","4","6","6","1") = "5"
    & skf21("4","5","6","6","4","6","7","1") = "6"
    & skf21("4","5","6","6","4","7","1","1") = "6"
    & skf21("4","5","6","6","4","7","2","1") = "6"
    & skf21("4","5","6","6","4","7","3","1") = "6"
    & skf21("4","5","6","6","4","7","4","1") = "6"
    & skf21("4","5","6","6","4","7","5","1") = "6"
    & skf21("4","5","6","6","4","7","6","1") = "6"
    & skf21("4","5","6","6","4","7","7","1") = "6"
    & skf21("4","5","6","6","5","1","1","1") = "5"
    & skf21("4","5","6","6","5","1","2","1") = "5"
    & skf21("4","5","6","6","5","1","3","1") = "5"
    & skf21("4","5","6","6","5","1","4","1") = "5"
    & skf21("4","5","6","6","5","1","5","1") = "5"
    & skf21("4","5","6","6","5","1","6","1") = "5"
    & skf21("4","5","6","6","5","1","7","1") = "6"
    & skf21("4","5","6","6","5","2","1","1") = "5"
    & skf21("4","5","6","6","5","2","2","1") = "5"
    & skf21("4","5","6","6","5","2","3","1") = "5"
    & skf21("4","5","6","6","5","2","4","1") = "5"
    & skf21("4","5","6","6","5","2","5","1") = "5"
    & skf21("4","5","6","6","5","2","6","1") = "5"
    & skf21("4","5","6","6","5","2","7","1") = "6"
    & skf21("4","5","6","6","5","3","1","1") = "5"
    & skf21("4","5","6","6","5","3","2","1") = "5"
    & skf21("4","5","6","6","5","3","3","1") = "5"
    & skf21("4","5","6","6","5","3","4","1") = "5"
    & skf21("4","5","6","6","5","3","5","1") = "5"
    & skf21("4","5","6","6","5","3","6","1") = "5"
    & skf21("4","5","6","6","5","3","7","1") = "6"
    & skf21("4","5","6","6","5","4","1","1") = "5"
    & skf21("4","5","6","6","5","4","2","1") = "5"
    & skf21("4","5","6","6","5","4","3","1") = "5"
    & skf21("4","5","6","6","5","4","4","1") = "5"
    & skf21("4","5","6","6","5","4","5","1") = "5"
    & skf21("4","5","6","6","5","4","6","1") = "5"
    & skf21("4","5","6","6","5","4","7","1") = "6"
    & skf21("4","5","6","6","5","5","1","1") = "5"
    & skf21("4","5","6","6","5","5","2","1") = "5"
    & skf21("4","5","6","6","5","5","3","1") = "5"
    & skf21("4","5","6","6","5","5","4","1") = "5"
    & skf21("4","5","6","6","5","5","5","1") = "5"
    & skf21("4","5","6","6","5","5","6","1") = "5"
    & skf21("4","5","6","6","5","5","7","1") = "6"
    & skf21("4","5","6","6","5","6","1","1") = "5"
    & skf21("4","5","6","6","5","6","2","1") = "5"
    & skf21("4","5","6","6","5","6","3","1") = "5"
    & skf21("4","5","6","6","5","6","4","1") = "5"
    & skf21("4","5","6","6","5","6","5","1") = "5"
    & skf21("4","5","6","6","5","6","6","1") = "5"
    & skf21("4","5","6","6","5","6","7","1") = "6"
    & skf21("4","5","6","6","5","7","1","1") = "6"
    & skf21("4","5","6","6","5","7","2","1") = "6"
    & skf21("4","5","6","6","5","7","3","1") = "6"
    & skf21("4","5","6","6","5","7","4","1") = "6"
    & skf21("4","5","6","6","5","7","5","1") = "6"
    & skf21("4","5","6","6","5","7","6","1") = "6"
    & skf21("4","5","6","6","5","7","7","1") = "6"
    & skf21("4","5","6","6","6","1","1","1") = "5"
    & skf21("4","5","6","6","6","1","2","1") = "5"
    & skf21("4","5","6","6","6","1","3","1") = "5"
    & skf21("4","5","6","6","6","1","4","1") = "5"
    & skf21("4","5","6","6","6","1","5","1") = "5"
    & skf21("4","5","6","6","6","1","6","1") = "5"
    & skf21("4","5","6","6","6","1","7","1") = "6"
    & skf21("4","5","6","6","6","2","1","1") = "5"
    & skf21("4","5","6","6","6","2","2","1") = "5"
    & skf21("4","5","6","6","6","2","3","1") = "5"
    & skf21("4","5","6","6","6","2","4","1") = "5"
    & skf21("4","5","6","6","6","2","5","1") = "5"
    & skf21("4","5","6","6","6","2","6","1") = "5"
    & skf21("4","5","6","6","6","2","7","1") = "6"
    & skf21("4","5","6","6","6","3","1","1") = "5"
    & skf21("4","5","6","6","6","3","2","1") = "5"
    & skf21("4","5","6","6","6","3","3","1") = "5"
    & skf21("4","5","6","6","6","3","4","1") = "5"
    & skf21("4","5","6","6","6","3","5","1") = "5"
    & skf21("4","5","6","6","6","3","6","1") = "5"
    & skf21("4","5","6","6","6","3","7","1") = "6"
    & skf21("4","5","6","6","6","4","1","1") = "5"
    & skf21("4","5","6","6","6","4","2","1") = "5"
    & skf21("4","5","6","6","6","4","3","1") = "5"
    & skf21("4","5","6","6","6","4","4","1") = "5"
    & skf21("4","5","6","6","6","4","5","1") = "5"
    & skf21("4","5","6","6","6","4","6","1") = "5"
    & skf21("4","5","6","6","6","4","7","1") = "6"
    & skf21("4","5","6","6","6","5","1","1") = "5"
    & skf21("4","5","6","6","6","5","2","1") = "5"
    & skf21("4","5","6","6","6","5","3","1") = "5"
    & skf21("4","5","6","6","6","5","4","1") = "5"
    & skf21("4","5","6","6","6","5","5","1") = "5"
    & skf21("4","5","6","6","6","5","6","1") = "5"
    & skf21("4","5","6","6","6","5","7","1") = "6"
    & skf21("4","5","6","6","6","6","1","1") = "5"
    & skf21("4","5","6","6","6","6","2","1") = "5"
    & skf21("4","5","6","6","6","6","3","1") = "5"
    & skf21("4","5","6","6","6","6","4","1") = "5"
    & skf21("4","5","6","6","6","6","5","1") = "5"
    & skf21("4","5","6","6","6","6","6","1") = "5"
    & skf21("4","5","6","6","6","6","7","1") = "6"
    & skf21("4","5","6","6","6","7","1","1") = "6"
    & skf21("4","5","6","6","6","7","2","1") = "6"
    & skf21("4","5","6","6","6","7","3","1") = "6"
    & skf21("4","5","6","6","6","7","4","1") = "6"
    & skf21("4","5","6","6","6","7","5","1") = "6"
    & skf21("4","5","6","6","6","7","6","1") = "6"
    & skf21("4","5","6","6","6","7","7","1") = "6"
    & skf21("4","5","6","6","7","1","1","1") = "6"
    & skf21("4","5","6","6","7","1","2","1") = "6"
    & skf21("4","5","6","6","7","1","3","1") = "6"
    & skf21("4","5","6","6","7","1","4","1") = "6"
    & skf21("4","5","6","6","7","1","5","1") = "6"
    & skf21("4","5","6","6","7","1","6","1") = "6"
    & skf21("4","5","6","6","7","1","7","1") = "6"
    & skf21("4","5","6","6","7","2","1","1") = "6"
    & skf21("4","5","6","6","7","2","2","1") = "6"
    & skf21("4","5","6","6","7","2","3","1") = "6"
    & skf21("4","5","6","6","7","2","4","1") = "6"
    & skf21("4","5","6","6","7","2","5","1") = "6"
    & skf21("4","5","6","6","7","2","6","1") = "6"
    & skf21("4","5","6","6","7","2","7","1") = "6"
    & skf21("4","5","6","6","7","3","1","1") = "6"
    & skf21("4","5","6","6","7","3","2","1") = "6"
    & skf21("4","5","6","6","7","3","3","1") = "6"
    & skf21("4","5","6","6","7","3","4","1") = "6"
    & skf21("4","5","6","6","7","3","5","1") = "6"
    & skf21("4","5","6","6","7","3","6","1") = "6"
    & skf21("4","5","6","6","7","3","7","1") = "6"
    & skf21("4","5","6","6","7","4","1","1") = "6"
    & skf21("4","5","6","6","7","4","2","1") = "6"
    & skf21("4","5","6","6","7","4","3","1") = "6"
    & skf21("4","5","6","6","7","4","4","1") = "6"
    & skf21("4","5","6","6","7","4","5","1") = "6"
    & skf21("4","5","6","6","7","4","6","1") = "6"
    & skf21("4","5","6","6","7","4","7","1") = "6"
    & skf21("4","5","6","6","7","5","1","1") = "6"
    & skf21("4","5","6","6","7","5","2","1") = "6"
    & skf21("4","5","6","6","7","5","3","1") = "6"
    & skf21("4","5","6","6","7","5","4","1") = "6"
    & skf21("4","5","6","6","7","5","5","1") = "6"
    & skf21("4","5","6","6","7","5","6","1") = "6"
    & skf21("4","5","6","6","7","5","7","1") = "6"
    & skf21("4","5","6","6","7","6","1","1") = "6"
    & skf21("4","5","6","6","7","6","2","1") = "6"
    & skf21("4","5","6","6","7","6","3","1") = "6"
    & skf21("4","5","6","6","7","6","4","1") = "6"
    & skf21("4","5","6","6","7","6","5","1") = "6"
    & skf21("4","5","6","6","7","6","6","1") = "6"
    & skf21("4","5","6","6","7","6","7","1") = "6"
    & skf21("4","5","6","6","7","7","1","1") = "6"
    & skf21("4","5","6","6","7","7","2","1") = "6"
    & skf21("4","5","6","6","7","7","3","1") = "6"
    & skf21("4","5","6","6","7","7","4","1") = "6"
    & skf21("4","5","6","6","7","7","5","1") = "6"
    & skf21("4","5","6","6","7","7","6","1") = "6"
    & skf21("4","5","6","6","7","7","7","1") = "6"
    & skf21("4","5","6","7","1","1","1","1") = "6"
    & skf21("4","5","6","7","1","1","2","1") = "6"
    & skf21("4","5","6","7","1","1","3","1") = "6"
    & skf21("4","5","6","7","1","1","4","1") = "6"
    & skf21("4","5","6","7","1","1","5","1") = "6"
    & skf21("4","5","6","7","1","1","6","1") = "6"
    & skf21("4","5","6","7","1","1","7","1") = "6"
    & skf21("4","5","6","7","1","2","1","1") = "6"
    & skf21("4","5","6","7","1","2","2","1") = "6"
    & skf21("4","5","6","7","1","2","3","1") = "6"
    & skf21("4","5","6","7","1","2","4","1") = "6"
    & skf21("4","5","6","7","1","2","5","1") = "6"
    & skf21("4","5","6","7","1","2","6","1") = "6"
    & skf21("4","5","6","7","1","2","7","1") = "6"
    & skf21("4","5","6","7","1","3","1","1") = "6"
    & skf21("4","5","6","7","1","3","2","1") = "6"
    & skf21("4","5","6","7","1","3","3","1") = "6"
    & skf21("4","5","6","7","1","3","4","1") = "6"
    & skf21("4","5","6","7","1","3","5","1") = "6"
    & skf21("4","5","6","7","1","3","6","1") = "6"
    & skf21("4","5","6","7","1","3","7","1") = "6"
    & skf21("4","5","6","7","1","4","1","1") = "6"
    & skf21("4","5","6","7","1","4","2","1") = "6"
    & skf21("4","5","6","7","1","4","3","1") = "6"
    & skf21("4","5","6","7","1","4","4","1") = "6"
    & skf21("4","5","6","7","1","4","5","1") = "6"
    & skf21("4","5","6","7","1","4","6","1") = "6"
    & skf21("4","5","6","7","1","4","7","1") = "6"
    & skf21("4","5","6","7","1","5","1","1") = "6"
    & skf21("4","5","6","7","1","5","2","1") = "6"
    & skf21("4","5","6","7","1","5","3","1") = "6"
    & skf21("4","5","6","7","1","5","4","1") = "6"
    & skf21("4","5","6","7","1","5","5","1") = "6"
    & skf21("4","5","6","7","1","5","6","1") = "6"
    & skf21("4","5","6","7","1","5","7","1") = "6"
    & skf21("4","5","6","7","1","6","1","1") = "6"
    & skf21("4","5","6","7","1","6","2","1") = "6"
    & skf21("4","5","6","7","1","6","3","1") = "6"
    & skf21("4","5","6","7","1","6","4","1") = "6"
    & skf21("4","5","6","7","1","6","5","1") = "6"
    & skf21("4","5","6","7","1","6","6","1") = "6"
    & skf21("4","5","6","7","1","6","7","1") = "6"
    & skf21("4","5","6","7","1","7","1","1") = "6"
    & skf21("4","5","6","7","1","7","2","1") = "6"
    & skf21("4","5","6","7","1","7","3","1") = "6"
    & skf21("4","5","6","7","1","7","4","1") = "6"
    & skf21("4","5","6","7","1","7","5","1") = "6"
    & skf21("4","5","6","7","1","7","6","1") = "6"
    & skf21("4","5","6","7","1","7","7","1") = "6"
    & skf21("4","5","6","7","2","1","1","1") = "6"
    & skf21("4","5","6","7","2","1","2","1") = "6"
    & skf21("4","5","6","7","2","1","3","1") = "6"
    & skf21("4","5","6","7","2","1","4","1") = "6"
    & skf21("4","5","6","7","2","1","5","1") = "6"
    & skf21("4","5","6","7","2","1","6","1") = "6"
    & skf21("4","5","6","7","2","1","7","1") = "6"
    & skf21("4","5","6","7","2","2","1","1") = "6"
    & skf21("4","5","6","7","2","2","2","1") = "6"
    & skf21("4","5","6","7","2","2","3","1") = "6"
    & skf21("4","5","6","7","2","2","4","1") = "6"
    & skf21("4","5","6","7","2","2","5","1") = "6"
    & skf21("4","5","6","7","2","2","6","1") = "6"
    & skf21("4","5","6","7","2","2","7","1") = "6"
    & skf21("4","5","6","7","2","3","1","1") = "6"
    & skf21("4","5","6","7","2","3","2","1") = "6"
    & skf21("4","5","6","7","2","3","3","1") = "6"
    & skf21("4","5","6","7","2","3","4","1") = "6"
    & skf21("4","5","6","7","2","3","5","1") = "6"
    & skf21("4","5","6","7","2","3","6","1") = "6"
    & skf21("4","5","6","7","2","3","7","1") = "6"
    & skf21("4","5","6","7","2","4","1","1") = "6"
    & skf21("4","5","6","7","2","4","2","1") = "6"
    & skf21("4","5","6","7","2","4","3","1") = "6"
    & skf21("4","5","6","7","2","4","4","1") = "6"
    & skf21("4","5","6","7","2","4","5","1") = "6"
    & skf21("4","5","6","7","2","4","6","1") = "6"
    & skf21("4","5","6","7","2","4","7","1") = "6"
    & skf21("4","5","6","7","2","5","1","1") = "6"
    & skf21("4","5","6","7","2","5","2","1") = "6"
    & skf21("4","5","6","7","2","5","3","1") = "6"
    & skf21("4","5","6","7","2","5","4","1") = "6"
    & skf21("4","5","6","7","2","5","5","1") = "6"
    & skf21("4","5","6","7","2","5","6","1") = "6"
    & skf21("4","5","6","7","2","5","7","1") = "6"
    & skf21("4","5","6","7","2","6","1","1") = "6"
    & skf21("4","5","6","7","2","6","2","1") = "6"
    & skf21("4","5","6","7","2","6","3","1") = "6"
    & skf21("4","5","6","7","2","6","4","1") = "6"
    & skf21("4","5","6","7","2","6","5","1") = "6"
    & skf21("4","5","6","7","2","6","6","1") = "6"
    & skf21("4","5","6","7","2","6","7","1") = "6"
    & skf21("4","5","6","7","2","7","1","1") = "6"
    & skf21("4","5","6","7","2","7","2","1") = "6"
    & skf21("4","5","6","7","2","7","3","1") = "6"
    & skf21("4","5","6","7","2","7","4","1") = "6"
    & skf21("4","5","6","7","2","7","5","1") = "6"
    & skf21("4","5","6","7","2","7","6","1") = "6"
    & skf21("4","5","6","7","2","7","7","1") = "6"
    & skf21("4","5","6","7","3","1","1","1") = "6"
    & skf21("4","5","6","7","3","1","2","1") = "6"
    & skf21("4","5","6","7","3","1","3","1") = "6"
    & skf21("4","5","6","7","3","1","4","1") = "6"
    & skf21("4","5","6","7","3","1","5","1") = "6"
    & skf21("4","5","6","7","3","1","6","1") = "6"
    & skf21("4","5","6","7","3","1","7","1") = "6"
    & skf21("4","5","6","7","3","2","1","1") = "6"
    & skf21("4","5","6","7","3","2","2","1") = "6"
    & skf21("4","5","6","7","3","2","3","1") = "6"
    & skf21("4","5","6","7","3","2","4","1") = "6"
    & skf21("4","5","6","7","3","2","5","1") = "6"
    & skf21("4","5","6","7","3","2","6","1") = "6"
    & skf21("4","5","6","7","3","2","7","1") = "6"
    & skf21("4","5","6","7","3","3","1","1") = "6"
    & skf21("4","5","6","7","3","3","2","1") = "6"
    & skf21("4","5","6","7","3","3","3","1") = "6"
    & skf21("4","5","6","7","3","3","4","1") = "6"
    & skf21("4","5","6","7","3","3","5","1") = "6"
    & skf21("4","5","6","7","3","3","6","1") = "6"
    & skf21("4","5","6","7","3","3","7","1") = "6"
    & skf21("4","5","6","7","3","4","1","1") = "6"
    & skf21("4","5","6","7","3","4","2","1") = "6"
    & skf21("4","5","6","7","3","4","3","1") = "6"
    & skf21("4","5","6","7","3","4","4","1") = "6"
    & skf21("4","5","6","7","3","4","5","1") = "6"
    & skf21("4","5","6","7","3","4","6","1") = "6"
    & skf21("4","5","6","7","3","4","7","1") = "6"
    & skf21("4","5","6","7","3","5","1","1") = "6"
    & skf21("4","5","6","7","3","5","2","1") = "6"
    & skf21("4","5","6","7","3","5","3","1") = "6"
    & skf21("4","5","6","7","3","5","4","1") = "6"
    & skf21("4","5","6","7","3","5","5","1") = "6"
    & skf21("4","5","6","7","3","5","6","1") = "6"
    & skf21("4","5","6","7","3","5","7","1") = "6"
    & skf21("4","5","6","7","3","6","1","1") = "6"
    & skf21("4","5","6","7","3","6","2","1") = "6"
    & skf21("4","5","6","7","3","6","3","1") = "6"
    & skf21("4","5","6","7","3","6","4","1") = "6"
    & skf21("4","5","6","7","3","6","5","1") = "6"
    & skf21("4","5","6","7","3","6","6","1") = "6"
    & skf21("4","5","6","7","3","6","7","1") = "6"
    & skf21("4","5","6","7","3","7","1","1") = "6"
    & skf21("4","5","6","7","3","7","2","1") = "6"
    & skf21("4","5","6","7","3","7","3","1") = "6"
    & skf21("4","5","6","7","3","7","4","1") = "6"
    & skf21("4","5","6","7","3","7","5","1") = "6"
    & skf21("4","5","6","7","3","7","6","1") = "6"
    & skf21("4","5","6","7","3","7","7","1") = "6"
    & skf21("4","5","6","7","4","1","1","1") = "6"
    & skf21("4","5","6","7","4","1","2","1") = "6"
    & skf21("4","5","6","7","4","1","3","1") = "6"
    & skf21("4","5","6","7","4","1","4","1") = "6"
    & skf21("4","5","6","7","4","1","5","1") = "6"
    & skf21("4","5","6","7","4","1","6","1") = "6"
    & skf21("4","5","6","7","4","1","7","1") = "6"
    & skf21("4","5","6","7","4","2","1","1") = "6"
    & skf21("4","5","6","7","4","2","2","1") = "6"
    & skf21("4","5","6","7","4","2","3","1") = "6"
    & skf21("4","5","6","7","4","2","4","1") = "6"
    & skf21("4","5","6","7","4","2","5","1") = "6"
    & skf21("4","5","6","7","4","2","6","1") = "6"
    & skf21("4","5","6","7","4","2","7","1") = "6"
    & skf21("4","5","6","7","4","3","1","1") = "6"
    & skf21("4","5","6","7","4","3","2","1") = "6"
    & skf21("4","5","6","7","4","3","3","1") = "6"
    & skf21("4","5","6","7","4","3","4","1") = "6"
    & skf21("4","5","6","7","4","3","5","1") = "6"
    & skf21("4","5","6","7","4","3","6","1") = "6"
    & skf21("4","5","6","7","4","3","7","1") = "6"
    & skf21("4","5","6","7","4","4","1","1") = "6"
    & skf21("4","5","6","7","4","4","2","1") = "6"
    & skf21("4","5","6","7","4","4","3","1") = "6"
    & skf21("4","5","6","7","4","4","4","1") = "6"
    & skf21("4","5","6","7","4","4","5","1") = "6"
    & skf21("4","5","6","7","4","4","6","1") = "6"
    & skf21("4","5","6","7","4","4","7","1") = "6"
    & skf21("4","5","6","7","4","5","1","1") = "6"
    & skf21("4","5","6","7","4","5","2","1") = "6"
    & skf21("4","5","6","7","4","5","3","1") = "6"
    & skf21("4","5","6","7","4","5","4","1") = "6"
    & skf21("4","5","6","7","4","5","5","1") = "6"
    & skf21("4","5","6","7","4","5","6","1") = "6"
    & skf21("4","5","6","7","4","5","7","1") = "6"
    & skf21("4","5","6","7","4","6","1","1") = "6"
    & skf21("4","5","6","7","4","6","2","1") = "6"
    & skf21("4","5","6","7","4","6","3","1") = "6"
    & skf21("4","5","6","7","4","6","4","1") = "6"
    & skf21("4","5","6","7","4","6","5","1") = "6"
    & skf21("4","5","6","7","4","6","6","1") = "6"
    & skf21("4","5","6","7","4","6","7","1") = "6"
    & skf21("4","5","6","7","4","7","1","1") = "6"
    & skf21("4","5","6","7","4","7","2","1") = "6"
    & skf21("4","5","6","7","4","7","3","1") = "6"
    & skf21("4","5","6","7","4","7","4","1") = "6"
    & skf21("4","5","6","7","4","7","5","1") = "6"
    & skf21("4","5","6","7","4","7","6","1") = "6"
    & skf21("4","5","6","7","4","7","7","1") = "6"
    & skf21("4","5","6","7","5","1","1","1") = "6"
    & skf21("4","5","6","7","5","1","2","1") = "6"
    & skf21("4","5","6","7","5","1","3","1") = "6"
    & skf21("4","5","6","7","5","1","4","1") = "6"
    & skf21("4","5","6","7","5","1","5","1") = "6"
    & skf21("4","5","6","7","5","1","6","1") = "6"
    & skf21("4","5","6","7","5","1","7","1") = "6"
    & skf21("4","5","6","7","5","2","1","1") = "6"
    & skf21("4","5","6","7","5","2","2","1") = "6"
    & skf21("4","5","6","7","5","2","3","1") = "6"
    & skf21("4","5","6","7","5","2","4","1") = "6"
    & skf21("4","5","6","7","5","2","5","1") = "6"
    & skf21("4","5","6","7","5","2","6","1") = "6"
    & skf21("4","5","6","7","5","2","7","1") = "6"
    & skf21("4","5","6","7","5","3","1","1") = "6"
    & skf21("4","5","6","7","5","3","2","1") = "6"
    & skf21("4","5","6","7","5","3","3","1") = "6"
    & skf21("4","5","6","7","5","3","4","1") = "6"
    & skf21("4","5","6","7","5","3","5","1") = "6"
    & skf21("4","5","6","7","5","3","6","1") = "6"
    & skf21("4","5","6","7","5","3","7","1") = "6"
    & skf21("4","5","6","7","5","4","1","1") = "6"
    & skf21("4","5","6","7","5","4","2","1") = "6"
    & skf21("4","5","6","7","5","4","3","1") = "6"
    & skf21("4","5","6","7","5","4","4","1") = "6"
    & skf21("4","5","6","7","5","4","5","1") = "6"
    & skf21("4","5","6","7","5","4","6","1") = "6"
    & skf21("4","5","6","7","5","4","7","1") = "6"
    & skf21("4","5","6","7","5","5","1","1") = "6"
    & skf21("4","5","6","7","5","5","2","1") = "6"
    & skf21("4","5","6","7","5","5","3","1") = "6"
    & skf21("4","5","6","7","5","5","4","1") = "6"
    & skf21("4","5","6","7","5","5","5","1") = "6"
    & skf21("4","5","6","7","5","5","6","1") = "6"
    & skf21("4","5","6","7","5","5","7","1") = "6"
    & skf21("4","5","6","7","5","6","1","1") = "6"
    & skf21("4","5","6","7","5","6","2","1") = "6"
    & skf21("4","5","6","7","5","6","3","1") = "6"
    & skf21("4","5","6","7","5","6","4","1") = "6"
    & skf21("4","5","6","7","5","6","5","1") = "6"
    & skf21("4","5","6","7","5","6","6","1") = "6"
    & skf21("4","5","6","7","5","6","7","1") = "6"
    & skf21("4","5","6","7","5","7","1","1") = "6"
    & skf21("4","5","6","7","5","7","2","1") = "6"
    & skf21("4","5","6","7","5","7","3","1") = "6"
    & skf21("4","5","6","7","5","7","4","1") = "6"
    & skf21("4","5","6","7","5","7","5","1") = "6"
    & skf21("4","5","6","7","5","7","6","1") = "6"
    & skf21("4","5","6","7","5","7","7","1") = "6"
    & skf21("4","5","6","7","6","1","1","1") = "6"
    & skf21("4","5","6","7","6","1","2","1") = "6"
    & skf21("4","5","6","7","6","1","3","1") = "6"
    & skf21("4","5","6","7","6","1","4","1") = "6"
    & skf21("4","5","6","7","6","1","5","1") = "6"
    & skf21("4","5","6","7","6","1","6","1") = "6"
    & skf21("4","5","6","7","6","1","7","1") = "6"
    & skf21("4","5","6","7","6","2","1","1") = "6"
    & skf21("4","5","6","7","6","2","2","1") = "6"
    & skf21("4","5","6","7","6","2","3","1") = "6"
    & skf21("4","5","6","7","6","2","4","1") = "6"
    & skf21("4","5","6","7","6","2","5","1") = "6"
    & skf21("4","5","6","7","6","2","6","1") = "6"
    & skf21("4","5","6","7","6","2","7","1") = "6"
    & skf21("4","5","6","7","6","3","1","1") = "6"
    & skf21("4","5","6","7","6","3","2","1") = "6"
    & skf21("4","5","6","7","6","3","3","1") = "6"
    & skf21("4","5","6","7","6","3","4","1") = "6"
    & skf21("4","5","6","7","6","3","5","1") = "6"
    & skf21("4","5","6","7","6","3","6","1") = "6"
    & skf21("4","5","6","7","6","3","7","1") = "6"
    & skf21("4","5","6","7","6","4","1","1") = "6"
    & skf21("4","5","6","7","6","4","2","1") = "6"
    & skf21("4","5","6","7","6","4","3","1") = "6"
    & skf21("4","5","6","7","6","4","4","1") = "6"
    & skf21("4","5","6","7","6","4","5","1") = "6"
    & skf21("4","5","6","7","6","4","6","1") = "6"
    & skf21("4","5","6","7","6","4","7","1") = "6"
    & skf21("4","5","6","7","6","5","1","1") = "6"
    & skf21("4","5","6","7","6","5","2","1") = "6"
    & skf21("4","5","6","7","6","5","3","1") = "6"
    & skf21("4","5","6","7","6","5","4","1") = "6"
    & skf21("4","5","6","7","6","5","5","1") = "6"
    & skf21("4","5","6","7","6","5","6","1") = "6"
    & skf21("4","5","6","7","6","5","7","1") = "6"
    & skf21("4","5","6","7","6","6","1","1") = "6"
    & skf21("4","5","6","7","6","6","2","1") = "6"
    & skf21("4","5","6","7","6","6","3","1") = "6"
    & skf21("4","5","6","7","6","6","4","1") = "6"
    & skf21("4","5","6","7","6","6","5","1") = "6"
    & skf21("4","5","6","7","6","6","6","1") = "6"
    & skf21("4","5","6","7","6","6","7","1") = "6"
    & skf21("4","5","6","7","6","7","1","1") = "6"
    & skf21("4","5","6","7","6","7","2","1") = "6"
    & skf21("4","5","6","7","6","7","3","1") = "6"
    & skf21("4","5","6","7","6","7","4","1") = "6"
    & skf21("4","5","6","7","6","7","5","1") = "6"
    & skf21("4","5","6","7","6","7","6","1") = "6"
    & skf21("4","5","6","7","6","7","7","1") = "6"
    & skf21("4","5","6","7","7","1","1","1") = "6"
    & skf21("4","5","6","7","7","1","2","1") = "6"
    & skf21("4","5","6","7","7","1","3","1") = "6"
    & skf21("4","5","6","7","7","1","4","1") = "6"
    & skf21("4","5","6","7","7","1","5","1") = "6"
    & skf21("4","5","6","7","7","1","6","1") = "6"
    & skf21("4","5","6","7","7","1","7","1") = "6"
    & skf21("4","5","6","7","7","2","1","1") = "6"
    & skf21("4","5","6","7","7","2","2","1") = "6"
    & skf21("4","5","6","7","7","2","3","1") = "6"
    & skf21("4","5","6","7","7","2","4","1") = "6"
    & skf21("4","5","6","7","7","2","5","1") = "6"
    & skf21("4","5","6","7","7","2","6","1") = "6"
    & skf21("4","5","6","7","7","2","7","1") = "6"
    & skf21("4","5","6","7","7","3","1","1") = "6"
    & skf21("4","5","6","7","7","3","2","1") = "6"
    & skf21("4","5","6","7","7","3","3","1") = "6"
    & skf21("4","5","6","7","7","3","4","1") = "6"
    & skf21("4","5","6","7","7","3","5","1") = "6"
    & skf21("4","5","6","7","7","3","6","1") = "6"
    & skf21("4","5","6","7","7","3","7","1") = "6"
    & skf21("4","5","6","7","7","4","1","1") = "6"
    & skf21("4","5","6","7","7","4","2","1") = "6"
    & skf21("4","5","6","7","7","4","3","1") = "6"
    & skf21("4","5","6","7","7","4","4","1") = "6"
    & skf21("4","5","6","7","7","4","5","1") = "6"
    & skf21("4","5","6","7","7","4","6","1") = "6"
    & skf21("4","5","6","7","7","4","7","1") = "6"
    & skf21("4","5","6","7","7","5","1","1") = "6"
    & skf21("4","5","6","7","7","5","2","1") = "6"
    & skf21("4","5","6","7","7","5","3","1") = "6"
    & skf21("4","5","6","7","7","5","4","1") = "6"
    & skf21("4","5","6","7","7","5","5","1") = "6"
    & skf21("4","5","6","7","7","5","6","1") = "6"
    & skf21("4","5","6","7","7","5","7","1") = "6"
    & skf21("4","5","6","7","7","6","1","1") = "6"
    & skf21("4","5","6","7","7","6","2","1") = "6"
    & skf21("4","5","6","7","7","6","3","1") = "6"
    & skf21("4","5","6","7","7","6","4","1") = "6"
    & skf21("4","5","6","7","7","6","5","1") = "6"
    & skf21("4","5","6","7","7","6","6","1") = "6"
    & skf21("4","5","6","7","7","6","7","1") = "6"
    & skf21("4","5","6","7","7","7","1","1") = "6"
    & skf21("4","5","6","7","7","7","2","1") = "6"
    & skf21("4","5","6","7","7","7","3","1") = "6"
    & skf21("4","5","6","7","7","7","4","1") = "6"
    & skf21("4","5","6","7","7","7","5","1") = "6"
    & skf21("4","5","6","7","7","7","6","1") = "6"
    & skf21("4","5","6","7","7","7","7","1") = "6"
    & skf21("4","5","7","1","1","1","1","1") = "6"
    & skf21("4","5","7","1","1","1","2","1") = "6"
    & skf21("4","5","7","1","1","1","3","1") = "6"
    & skf21("4","5","7","1","1","1","4","1") = "6"
    & skf21("4","5","7","1","1","1","5","1") = "6"
    & skf21("4","5","7","1","1","1","6","1") = "6"
    & skf21("4","5","7","1","1","1","7","1") = "6"
    & skf21("4","5","7","1","1","2","1","1") = "6"
    & skf21("4","5","7","1","1","2","2","1") = "6"
    & skf21("4","5","7","1","1","2","3","1") = "6"
    & skf21("4","5","7","1","1","2","4","1") = "6"
    & skf21("4","5","7","1","1","2","5","1") = "6"
    & skf21("4","5","7","1","1","2","6","1") = "6"
    & skf21("4","5","7","1","1","2","7","1") = "6"
    & skf21("4","5","7","1","1","3","1","1") = "6"
    & skf21("4","5","7","1","1","3","2","1") = "6"
    & skf21("4","5","7","1","1","3","3","1") = "6"
    & skf21("4","5","7","1","1","3","4","1") = "6"
    & skf21("4","5","7","1","1","3","5","1") = "6"
    & skf21("4","5","7","1","1","3","6","1") = "6"
    & skf21("4","5","7","1","1","3","7","1") = "6"
    & skf21("4","5","7","1","1","4","1","1") = "6"
    & skf21("4","5","7","1","1","4","2","1") = "6"
    & skf21("4","5","7","1","1","4","3","1") = "6"
    & skf21("4","5","7","1","1","4","4","1") = "6"
    & skf21("4","5","7","1","1","4","5","1") = "6"
    & skf21("4","5","7","1","1","4","6","1") = "6"
    & skf21("4","5","7","1","1","4","7","1") = "6"
    & skf21("4","5","7","1","1","5","1","1") = "6"
    & skf21("4","5","7","1","1","5","2","1") = "6"
    & skf21("4","5","7","1","1","5","3","1") = "6"
    & skf21("4","5","7","1","1","5","4","1") = "6"
    & skf21("4","5","7","1","1","5","5","1") = "6"
    & skf21("4","5","7","1","1","5","6","1") = "6"
    & skf21("4","5","7","1","1","5","7","1") = "6"
    & skf21("4","5","7","1","1","6","1","1") = "6"
    & skf21("4","5","7","1","1","6","2","1") = "6"
    & skf21("4","5","7","1","1","6","3","1") = "6"
    & skf21("4","5","7","1","1","6","4","1") = "6"
    & skf21("4","5","7","1","1","6","5","1") = "6"
    & skf21("4","5","7","1","1","6","6","1") = "6"
    & skf21("4","5","7","1","1","6","7","1") = "6"
    & skf21("4","5","7","1","1","7","1","1") = "6"
    & skf21("4","5","7","1","1","7","2","1") = "6"
    & skf21("4","5","7","1","1","7","3","1") = "6"
    & skf21("4","5","7","1","1","7","4","1") = "6"
    & skf21("4","5","7","1","1","7","5","1") = "6"
    & skf21("4","5","7","1","1","7","6","1") = "6"
    & skf21("4","5","7","1","1","7","7","1") = "6"
    & skf21("4","5","7","1","2","1","1","1") = "6"
    & skf21("4","5","7","1","2","1","2","1") = "6"
    & skf21("4","5","7","1","2","1","3","1") = "6"
    & skf21("4","5","7","1","2","1","4","1") = "6"
    & skf21("4","5","7","1","2","1","5","1") = "6"
    & skf21("4","5","7","1","2","1","6","1") = "6"
    & skf21("4","5","7","1","2","1","7","1") = "6"
    & skf21("4","5","7","1","2","2","1","1") = "6"
    & skf21("4","5","7","1","2","2","2","1") = "6"
    & skf21("4","5","7","1","2","2","3","1") = "6"
    & skf21("4","5","7","1","2","2","4","1") = "6"
    & skf21("4","5","7","1","2","2","5","1") = "6"
    & skf21("4","5","7","1","2","2","6","1") = "6"
    & skf21("4","5","7","1","2","2","7","1") = "6"
    & skf21("4","5","7","1","2","3","1","1") = "6"
    & skf21("4","5","7","1","2","3","2","1") = "6"
    & skf21("4","5","7","1","2","3","3","1") = "6"
    & skf21("4","5","7","1","2","3","4","1") = "6"
    & skf21("4","5","7","1","2","3","5","1") = "6"
    & skf21("4","5","7","1","2","3","6","1") = "6"
    & skf21("4","5","7","1","2","3","7","1") = "6"
    & skf21("4","5","7","1","2","4","1","1") = "6"
    & skf21("4","5","7","1","2","4","2","1") = "6"
    & skf21("4","5","7","1","2","4","3","1") = "6"
    & skf21("4","5","7","1","2","4","4","1") = "6"
    & skf21("4","5","7","1","2","4","5","1") = "6"
    & skf21("4","5","7","1","2","4","6","1") = "6"
    & skf21("4","5","7","1","2","4","7","1") = "6"
    & skf21("4","5","7","1","2","5","1","1") = "6"
    & skf21("4","5","7","1","2","5","2","1") = "6"
    & skf21("4","5","7","1","2","5","3","1") = "6"
    & skf21("4","5","7","1","2","5","4","1") = "6"
    & skf21("4","5","7","1","2","5","5","1") = "6"
    & skf21("4","5","7","1","2","5","6","1") = "6"
    & skf21("4","5","7","1","2","5","7","1") = "6"
    & skf21("4","5","7","1","2","6","1","1") = "6"
    & skf21("4","5","7","1","2","6","2","1") = "6"
    & skf21("4","5","7","1","2","6","3","1") = "6"
    & skf21("4","5","7","1","2","6","4","1") = "6"
    & skf21("4","5","7","1","2","6","5","1") = "6"
    & skf21("4","5","7","1","2","6","6","1") = "6"
    & skf21("4","5","7","1","2","6","7","1") = "6"
    & skf21("4","5","7","1","2","7","1","1") = "6"
    & skf21("4","5","7","1","2","7","2","1") = "6"
    & skf21("4","5","7","1","2","7","3","1") = "6"
    & skf21("4","5","7","1","2","7","4","1") = "6"
    & skf21("4","5","7","1","2","7","5","1") = "6"
    & skf21("4","5","7","1","2","7","6","1") = "6"
    & skf21("4","5","7","1","2","7","7","1") = "6"
    & skf21("4","5","7","1","3","1","1","1") = "6"
    & skf21("4","5","7","1","3","1","2","1") = "6"
    & skf21("4","5","7","1","3","1","3","1") = "6"
    & skf21("4","5","7","1","3","1","4","1") = "6"
    & skf21("4","5","7","1","3","1","5","1") = "6"
    & skf21("4","5","7","1","3","1","6","1") = "6"
    & skf21("4","5","7","1","3","1","7","1") = "6"
    & skf21("4","5","7","1","3","2","1","1") = "6"
    & skf21("4","5","7","1","3","2","2","1") = "6"
    & skf21("4","5","7","1","3","2","3","1") = "6"
    & skf21("4","5","7","1","3","2","4","1") = "6"
    & skf21("4","5","7","1","3","2","5","1") = "6"
    & skf21("4","5","7","1","3","2","6","1") = "6"
    & skf21("4","5","7","1","3","2","7","1") = "6"
    & skf21("4","5","7","1","3","3","1","1") = "6"
    & skf21("4","5","7","1","3","3","2","1") = "6"
    & skf21("4","5","7","1","3","3","3","1") = "6"
    & skf21("4","5","7","1","3","3","4","1") = "6"
    & skf21("4","5","7","1","3","3","5","1") = "6"
    & skf21("4","5","7","1","3","3","6","1") = "6"
    & skf21("4","5","7","1","3","3","7","1") = "6"
    & skf21("4","5","7","1","3","4","1","1") = "6"
    & skf21("4","5","7","1","3","4","2","1") = "6"
    & skf21("4","5","7","1","3","4","3","1") = "6"
    & skf21("4","5","7","1","3","4","4","1") = "6"
    & skf21("4","5","7","1","3","4","5","1") = "6"
    & skf21("4","5","7","1","3","4","6","1") = "6"
    & skf21("4","5","7","1","3","4","7","1") = "6"
    & skf21("4","5","7","1","3","5","1","1") = "6"
    & skf21("4","5","7","1","3","5","2","1") = "6"
    & skf21("4","5","7","1","3","5","3","1") = "6"
    & skf21("4","5","7","1","3","5","4","1") = "6"
    & skf21("4","5","7","1","3","5","5","1") = "6"
    & skf21("4","5","7","1","3","5","6","1") = "6"
    & skf21("4","5","7","1","3","5","7","1") = "6"
    & skf21("4","5","7","1","3","6","1","1") = "6"
    & skf21("4","5","7","1","3","6","2","1") = "6"
    & skf21("4","5","7","1","3","6","3","1") = "6"
    & skf21("4","5","7","1","3","6","4","1") = "6"
    & skf21("4","5","7","1","3","6","5","1") = "6"
    & skf21("4","5","7","1","3","6","6","1") = "6"
    & skf21("4","5","7","1","3","6","7","1") = "6"
    & skf21("4","5","7","1","3","7","1","1") = "6"
    & skf21("4","5","7","1","3","7","2","1") = "6"
    & skf21("4","5","7","1","3","7","3","1") = "6"
    & skf21("4","5","7","1","3","7","4","1") = "6"
    & skf21("4","5","7","1","3","7","5","1") = "6"
    & skf21("4","5","7","1","3","7","6","1") = "6"
    & skf21("4","5","7","1","3","7","7","1") = "6"
    & skf21("4","5","7","1","4","1","1","1") = "6"
    & skf21("4","5","7","1","4","1","2","1") = "6"
    & skf21("4","5","7","1","4","1","3","1") = "6"
    & skf21("4","5","7","1","4","1","4","1") = "6"
    & skf21("4","5","7","1","4","1","5","1") = "6"
    & skf21("4","5","7","1","4","1","6","1") = "6"
    & skf21("4","5","7","1","4","1","7","1") = "6"
    & skf21("4","5","7","1","4","2","1","1") = "6"
    & skf21("4","5","7","1","4","2","2","1") = "6"
    & skf21("4","5","7","1","4","2","3","1") = "6"
    & skf21("4","5","7","1","4","2","4","1") = "6"
    & skf21("4","5","7","1","4","2","5","1") = "6"
    & skf21("4","5","7","1","4","2","6","1") = "6"
    & skf21("4","5","7","1","4","2","7","1") = "6"
    & skf21("4","5","7","1","4","3","1","1") = "6"
    & skf21("4","5","7","1","4","3","2","1") = "6"
    & skf21("4","5","7","1","4","3","3","1") = "6"
    & skf21("4","5","7","1","4","3","4","1") = "6"
    & skf21("4","5","7","1","4","3","5","1") = "6"
    & skf21("4","5","7","1","4","3","6","1") = "6"
    & skf21("4","5","7","1","4","3","7","1") = "6"
    & skf21("4","5","7","1","4","4","1","1") = "6"
    & skf21("4","5","7","1","4","4","2","1") = "6"
    & skf21("4","5","7","1","4","4","3","1") = "6"
    & skf21("4","5","7","1","4","4","4","1") = "6"
    & skf21("4","5","7","1","4","4","5","1") = "6"
    & skf21("4","5","7","1","4","4","6","1") = "6"
    & skf21("4","5","7","1","4","4","7","1") = "6"
    & skf21("4","5","7","1","4","5","1","1") = "6"
    & skf21("4","5","7","1","4","5","2","1") = "6"
    & skf21("4","5","7","1","4","5","3","1") = "6"
    & skf21("4","5","7","1","4","5","4","1") = "6"
    & skf21("4","5","7","1","4","5","5","1") = "6"
    & skf21("4","5","7","1","4","5","6","1") = "6"
    & skf21("4","5","7","1","4","5","7","1") = "6"
    & skf21("4","5","7","1","4","6","1","1") = "6"
    & skf21("4","5","7","1","4","6","2","1") = "6"
    & skf21("4","5","7","1","4","6","3","1") = "6"
    & skf21("4","5","7","1","4","6","4","1") = "6"
    & skf21("4","5","7","1","4","6","5","1") = "6"
    & skf21("4","5","7","1","4","6","6","1") = "6"
    & skf21("4","5","7","1","4","6","7","1") = "6"
    & skf21("4","5","7","1","4","7","1","1") = "6"
    & skf21("4","5","7","1","4","7","2","1") = "6"
    & skf21("4","5","7","1","4","7","3","1") = "6"
    & skf21("4","5","7","1","4","7","4","1") = "6"
    & skf21("4","5","7","1","4","7","5","1") = "6"
    & skf21("4","5","7","1","4","7","6","1") = "6"
    & skf21("4","5","7","1","4","7","7","1") = "6"
    & skf21("4","5","7","1","5","1","1","1") = "6"
    & skf21("4","5","7","1","5","1","2","1") = "6"
    & skf21("4","5","7","1","5","1","3","1") = "6"
    & skf21("4","5","7","1","5","1","4","1") = "6"
    & skf21("4","5","7","1","5","1","5","1") = "6"
    & skf21("4","5","7","1","5","1","6","1") = "6"
    & skf21("4","5","7","1","5","1","7","1") = "6"
    & skf21("4","5","7","1","5","2","1","1") = "6"
    & skf21("4","5","7","1","5","2","2","1") = "6"
    & skf21("4","5","7","1","5","2","3","1") = "6"
    & skf21("4","5","7","1","5","2","4","1") = "6"
    & skf21("4","5","7","1","5","2","5","1") = "6"
    & skf21("4","5","7","1","5","2","6","1") = "6"
    & skf21("4","5","7","1","5","2","7","1") = "6"
    & skf21("4","5","7","1","5","3","1","1") = "6"
    & skf21("4","5","7","1","5","3","2","1") = "6"
    & skf21("4","5","7","1","5","3","3","1") = "6"
    & skf21("4","5","7","1","5","3","4","1") = "6"
    & skf21("4","5","7","1","5","3","5","1") = "6"
    & skf21("4","5","7","1","5","3","6","1") = "6"
    & skf21("4","5","7","1","5","3","7","1") = "6"
    & skf21("4","5","7","1","5","4","1","1") = "6"
    & skf21("4","5","7","1","5","4","2","1") = "6"
    & skf21("4","5","7","1","5","4","3","1") = "6"
    & skf21("4","5","7","1","5","4","4","1") = "6"
    & skf21("4","5","7","1","5","4","5","1") = "6"
    & skf21("4","5","7","1","5","4","6","1") = "6"
    & skf21("4","5","7","1","5","4","7","1") = "6"
    & skf21("4","5","7","1","5","5","1","1") = "6"
    & skf21("4","5","7","1","5","5","2","1") = "6"
    & skf21("4","5","7","1","5","5","3","1") = "6"
    & skf21("4","5","7","1","5","5","4","1") = "6"
    & skf21("4","5","7","1","5","5","5","1") = "6"
    & skf21("4","5","7","1","5","5","6","1") = "6"
    & skf21("4","5","7","1","5","5","7","1") = "6"
    & skf21("4","5","7","1","5","6","1","1") = "6"
    & skf21("4","5","7","1","5","6","2","1") = "6"
    & skf21("4","5","7","1","5","6","3","1") = "6"
    & skf21("4","5","7","1","5","6","4","1") = "6"
    & skf21("4","5","7","1","5","6","5","1") = "6"
    & skf21("4","5","7","1","5","6","6","1") = "6"
    & skf21("4","5","7","1","5","6","7","1") = "6"
    & skf21("4","5","7","1","5","7","1","1") = "6"
    & skf21("4","5","7","1","5","7","2","1") = "6"
    & skf21("4","5","7","1","5","7","3","1") = "6"
    & skf21("4","5","7","1","5","7","4","1") = "6"
    & skf21("4","5","7","1","5","7","5","1") = "6"
    & skf21("4","5","7","1","5","7","6","1") = "6"
    & skf21("4","5","7","1","5","7","7","1") = "6"
    & skf21("4","5","7","1","6","1","1","1") = "6"
    & skf21("4","5","7","1","6","1","2","1") = "6"
    & skf21("4","5","7","1","6","1","3","1") = "6"
    & skf21("4","5","7","1","6","1","4","1") = "6"
    & skf21("4","5","7","1","6","1","5","1") = "6"
    & skf21("4","5","7","1","6","1","6","1") = "6"
    & skf21("4","5","7","1","6","1","7","1") = "6"
    & skf21("4","5","7","1","6","2","1","1") = "6"
    & skf21("4","5","7","1","6","2","2","1") = "6"
    & skf21("4","5","7","1","6","2","3","1") = "6"
    & skf21("4","5","7","1","6","2","4","1") = "6"
    & skf21("4","5","7","1","6","2","5","1") = "6"
    & skf21("4","5","7","1","6","2","6","1") = "6"
    & skf21("4","5","7","1","6","2","7","1") = "6"
    & skf21("4","5","7","1","6","3","1","1") = "6"
    & skf21("4","5","7","1","6","3","2","1") = "6"
    & skf21("4","5","7","1","6","3","3","1") = "6"
    & skf21("4","5","7","1","6","3","4","1") = "6"
    & skf21("4","5","7","1","6","3","5","1") = "6"
    & skf21("4","5","7","1","6","3","6","1") = "6"
    & skf21("4","5","7","1","6","3","7","1") = "6"
    & skf21("4","5","7","1","6","4","1","1") = "6"
    & skf21("4","5","7","1","6","4","2","1") = "6"
    & skf21("4","5","7","1","6","4","3","1") = "6"
    & skf21("4","5","7","1","6","4","4","1") = "6"
    & skf21("4","5","7","1","6","4","5","1") = "6"
    & skf21("4","5","7","1","6","4","6","1") = "6"
    & skf21("4","5","7","1","6","4","7","1") = "6"
    & skf21("4","5","7","1","6","5","1","1") = "6"
    & skf21("4","5","7","1","6","5","2","1") = "6"
    & skf21("4","5","7","1","6","5","3","1") = "6"
    & skf21("4","5","7","1","6","5","4","1") = "6"
    & skf21("4","5","7","1","6","5","5","1") = "6"
    & skf21("4","5","7","1","6","5","6","1") = "6"
    & skf21("4","5","7","1","6","5","7","1") = "6"
    & skf21("4","5","7","1","6","6","1","1") = "6"
    & skf21("4","5","7","1","6","6","2","1") = "6"
    & skf21("4","5","7","1","6","6","3","1") = "6"
    & skf21("4","5","7","1","6","6","4","1") = "6"
    & skf21("4","5","7","1","6","6","5","1") = "6"
    & skf21("4","5","7","1","6","6","6","1") = "6"
    & skf21("4","5","7","1","6","6","7","1") = "6"
    & skf21("4","5","7","1","6","7","1","1") = "6"
    & skf21("4","5","7","1","6","7","2","1") = "6"
    & skf21("4","5","7","1","6","7","3","1") = "6"
    & skf21("4","5","7","1","6","7","4","1") = "6"
    & skf21("4","5","7","1","6","7","5","1") = "6"
    & skf21("4","5","7","1","6","7","6","1") = "6"
    & skf21("4","5","7","1","6","7","7","1") = "6"
    & skf21("4","5","7","1","7","1","1","1") = "6"
    & skf21("4","5","7","1","7","1","2","1") = "6"
    & skf21("4","5","7","1","7","1","3","1") = "6"
    & skf21("4","5","7","1","7","1","4","1") = "6"
    & skf21("4","5","7","1","7","1","5","1") = "6"
    & skf21("4","5","7","1","7","1","6","1") = "6"
    & skf21("4","5","7","1","7","1","7","1") = "6"
    & skf21("4","5","7","1","7","2","1","1") = "6"
    & skf21("4","5","7","1","7","2","2","1") = "6"
    & skf21("4","5","7","1","7","2","3","1") = "6"
    & skf21("4","5","7","1","7","2","4","1") = "6"
    & skf21("4","5","7","1","7","2","5","1") = "6"
    & skf21("4","5","7","1","7","2","6","1") = "6"
    & skf21("4","5","7","1","7","2","7","1") = "6"
    & skf21("4","5","7","1","7","3","1","1") = "6"
    & skf21("4","5","7","1","7","3","2","1") = "6"
    & skf21("4","5","7","1","7","3","3","1") = "6"
    & skf21("4","5","7","1","7","3","4","1") = "6"
    & skf21("4","5","7","1","7","3","5","1") = "6"
    & skf21("4","5","7","1","7","3","6","1") = "6"
    & skf21("4","5","7","1","7","3","7","1") = "6"
    & skf21("4","5","7","1","7","4","1","1") = "6"
    & skf21("4","5","7","1","7","4","2","1") = "6"
    & skf21("4","5","7","1","7","4","3","1") = "6"
    & skf21("4","5","7","1","7","4","4","1") = "6"
    & skf21("4","5","7","1","7","4","5","1") = "6"
    & skf21("4","5","7","1","7","4","6","1") = "6"
    & skf21("4","5","7","1","7","4","7","1") = "6"
    & skf21("4","5","7","1","7","5","1","1") = "6"
    & skf21("4","5","7","1","7","5","2","1") = "6"
    & skf21("4","5","7","1","7","5","3","1") = "6"
    & skf21("4","5","7","1","7","5","4","1") = "6"
    & skf21("4","5","7","1","7","5","5","1") = "6"
    & skf21("4","5","7","1","7","5","6","1") = "6"
    & skf21("4","5","7","1","7","5","7","1") = "6"
    & skf21("4","5","7","1","7","6","1","1") = "6"
    & skf21("4","5","7","1","7","6","2","1") = "6"
    & skf21("4","5","7","1","7","6","3","1") = "6"
    & skf21("4","5","7","1","7","6","4","1") = "6"
    & skf21("4","5","7","1","7","6","5","1") = "6"
    & skf21("4","5","7","1","7","6","6","1") = "6"
    & skf21("4","5","7","1","7","6","7","1") = "6"
    & skf21("4","5","7","1","7","7","1","1") = "6"
    & skf21("4","5","7","1","7","7","2","1") = "6"
    & skf21("4","5","7","1","7","7","3","1") = "6"
    & skf21("4","5","7","1","7","7","4","1") = "6"
    & skf21("4","5","7","1","7","7","5","1") = "6"
    & skf21("4","5","7","1","7","7","6","1") = "6"
    & skf21("4","5","7","1","7","7","7","1") = "6"
    & skf21("4","5","7","2","1","1","1","1") = "6"
    & skf21("4","5","7","2","1","1","2","1") = "6"
    & skf21("4","5","7","2","1","1","3","1") = "6"
    & skf21("4","5","7","2","1","1","4","1") = "6"
    & skf21("4","5","7","2","1","1","5","1") = "6"
    & skf21("4","5","7","2","1","1","6","1") = "6"
    & skf21("4","5","7","2","1","1","7","1") = "6"
    & skf21("4","5","7","2","1","2","1","1") = "6"
    & skf21("4","5","7","2","1","2","2","1") = "6"
    & skf21("4","5","7","2","1","2","3","1") = "6"
    & skf21("4","5","7","2","1","2","4","1") = "6"
    & skf21("4","5","7","2","1","2","5","1") = "6"
    & skf21("4","5","7","2","1","2","6","1") = "6"
    & skf21("4","5","7","2","1","2","7","1") = "6"
    & skf21("4","5","7","2","1","3","1","1") = "6"
    & skf21("4","5","7","2","1","3","2","1") = "6"
    & skf21("4","5","7","2","1","3","3","1") = "6"
    & skf21("4","5","7","2","1","3","4","1") = "6"
    & skf21("4","5","7","2","1","3","5","1") = "6"
    & skf21("4","5","7","2","1","3","6","1") = "6"
    & skf21("4","5","7","2","1","3","7","1") = "6"
    & skf21("4","5","7","2","1","4","1","1") = "6"
    & skf21("4","5","7","2","1","4","2","1") = "6"
    & skf21("4","5","7","2","1","4","3","1") = "6"
    & skf21("4","5","7","2","1","4","4","1") = "6"
    & skf21("4","5","7","2","1","4","5","1") = "6"
    & skf21("4","5","7","2","1","4","6","1") = "6"
    & skf21("4","5","7","2","1","4","7","1") = "6"
    & skf21("4","5","7","2","1","5","1","1") = "6"
    & skf21("4","5","7","2","1","5","2","1") = "6"
    & skf21("4","5","7","2","1","5","3","1") = "6"
    & skf21("4","5","7","2","1","5","4","1") = "6"
    & skf21("4","5","7","2","1","5","5","1") = "6"
    & skf21("4","5","7","2","1","5","6","1") = "6"
    & skf21("4","5","7","2","1","5","7","1") = "6"
    & skf21("4","5","7","2","1","6","1","1") = "6"
    & skf21("4","5","7","2","1","6","2","1") = "6"
    & skf21("4","5","7","2","1","6","3","1") = "6"
    & skf21("4","5","7","2","1","6","4","1") = "6"
    & skf21("4","5","7","2","1","6","5","1") = "6"
    & skf21("4","5","7","2","1","6","6","1") = "6"
    & skf21("4","5","7","2","1","6","7","1") = "6"
    & skf21("4","5","7","2","1","7","1","1") = "6"
    & skf21("4","5","7","2","1","7","2","1") = "6"
    & skf21("4","5","7","2","1","7","3","1") = "6"
    & skf21("4","5","7","2","1","7","4","1") = "6"
    & skf21("4","5","7","2","1","7","5","1") = "6"
    & skf21("4","5","7","2","1","7","6","1") = "6"
    & skf21("4","5","7","2","1","7","7","1") = "6"
    & skf21("4","5","7","2","2","1","1","1") = "6"
    & skf21("4","5","7","2","2","1","2","1") = "6"
    & skf21("4","5","7","2","2","1","3","1") = "6"
    & skf21("4","5","7","2","2","1","4","1") = "6"
    & skf21("4","5","7","2","2","1","5","1") = "6"
    & skf21("4","5","7","2","2","1","6","1") = "6"
    & skf21("4","5","7","2","2","1","7","1") = "6"
    & skf21("4","5","7","2","2","2","1","1") = "6"
    & skf21("4","5","7","2","2","2","2","1") = "6"
    & skf21("4","5","7","2","2","2","3","1") = "6"
    & skf21("4","5","7","2","2","2","4","1") = "6"
    & skf21("4","5","7","2","2","2","5","1") = "6"
    & skf21("4","5","7","2","2","2","6","1") = "6"
    & skf21("4","5","7","2","2","2","7","1") = "6"
    & skf21("4","5","7","2","2","3","1","1") = "6"
    & skf21("4","5","7","2","2","3","2","1") = "6"
    & skf21("4","5","7","2","2","3","3","1") = "6"
    & skf21("4","5","7","2","2","3","4","1") = "6"
    & skf21("4","5","7","2","2","3","5","1") = "6"
    & skf21("4","5","7","2","2","3","6","1") = "6"
    & skf21("4","5","7","2","2","3","7","1") = "6"
    & skf21("4","5","7","2","2","4","1","1") = "6"
    & skf21("4","5","7","2","2","4","2","1") = "6"
    & skf21("4","5","7","2","2","4","3","1") = "6"
    & skf21("4","5","7","2","2","4","4","1") = "6"
    & skf21("4","5","7","2","2","4","5","1") = "6"
    & skf21("4","5","7","2","2","4","6","1") = "6"
    & skf21("4","5","7","2","2","4","7","1") = "6"
    & skf21("4","5","7","2","2","5","1","1") = "6"
    & skf21("4","5","7","2","2","5","2","1") = "6"
    & skf21("4","5","7","2","2","5","3","1") = "6"
    & skf21("4","5","7","2","2","5","4","1") = "6"
    & skf21("4","5","7","2","2","5","5","1") = "6"
    & skf21("4","5","7","2","2","5","6","1") = "6"
    & skf21("4","5","7","2","2","5","7","1") = "6"
    & skf21("4","5","7","2","2","6","1","1") = "6"
    & skf21("4","5","7","2","2","6","2","1") = "6"
    & skf21("4","5","7","2","2","6","3","1") = "6"
    & skf21("4","5","7","2","2","6","4","1") = "6"
    & skf21("4","5","7","2","2","6","5","1") = "6"
    & skf21("4","5","7","2","2","6","6","1") = "6"
    & skf21("4","5","7","2","2","6","7","1") = "6"
    & skf21("4","5","7","2","2","7","1","1") = "6"
    & skf21("4","5","7","2","2","7","2","1") = "6"
    & skf21("4","5","7","2","2","7","3","1") = "6"
    & skf21("4","5","7","2","2","7","4","1") = "6"
    & skf21("4","5","7","2","2","7","5","1") = "6"
    & skf21("4","5","7","2","2","7","6","1") = "6"
    & skf21("4","5","7","2","2","7","7","1") = "6"
    & skf21("4","5","7","2","3","1","1","1") = "6"
    & skf21("4","5","7","2","3","1","2","1") = "6"
    & skf21("4","5","7","2","3","1","3","1") = "6"
    & skf21("4","5","7","2","3","1","4","1") = "6"
    & skf21("4","5","7","2","3","1","5","1") = "6"
    & skf21("4","5","7","2","3","1","6","1") = "6"
    & skf21("4","5","7","2","3","1","7","1") = "6"
    & skf21("4","5","7","2","3","2","1","1") = "6"
    & skf21("4","5","7","2","3","2","2","1") = "6"
    & skf21("4","5","7","2","3","2","3","1") = "6"
    & skf21("4","5","7","2","3","2","4","1") = "6"
    & skf21("4","5","7","2","3","2","5","1") = "6"
    & skf21("4","5","7","2","3","2","6","1") = "6"
    & skf21("4","5","7","2","3","2","7","1") = "6"
    & skf21("4","5","7","2","3","3","1","1") = "6"
    & skf21("4","5","7","2","3","3","2","1") = "6"
    & skf21("4","5","7","2","3","3","3","1") = "6"
    & skf21("4","5","7","2","3","3","4","1") = "6"
    & skf21("4","5","7","2","3","3","5","1") = "6"
    & skf21("4","5","7","2","3","3","6","1") = "6"
    & skf21("4","5","7","2","3","3","7","1") = "6"
    & skf21("4","5","7","2","3","4","1","1") = "6"
    & skf21("4","5","7","2","3","4","2","1") = "6"
    & skf21("4","5","7","2","3","4","3","1") = "6"
    & skf21("4","5","7","2","3","4","4","1") = "6"
    & skf21("4","5","7","2","3","4","5","1") = "6"
    & skf21("4","5","7","2","3","4","6","1") = "6"
    & skf21("4","5","7","2","3","4","7","1") = "6"
    & skf21("4","5","7","2","3","5","1","1") = "6"
    & skf21("4","5","7","2","3","5","2","1") = "6"
    & skf21("4","5","7","2","3","5","3","1") = "6"
    & skf21("4","5","7","2","3","5","4","1") = "6"
    & skf21("4","5","7","2","3","5","5","1") = "6"
    & skf21("4","5","7","2","3","5","6","1") = "6"
    & skf21("4","5","7","2","3","5","7","1") = "6"
    & skf21("4","5","7","2","3","6","1","1") = "6"
    & skf21("4","5","7","2","3","6","2","1") = "6"
    & skf21("4","5","7","2","3","6","3","1") = "6"
    & skf21("4","5","7","2","3","6","4","1") = "6"
    & skf21("4","5","7","2","3","6","5","1") = "6"
    & skf21("4","5","7","2","3","6","6","1") = "6"
    & skf21("4","5","7","2","3","6","7","1") = "6"
    & skf21("4","5","7","2","3","7","1","1") = "6"
    & skf21("4","5","7","2","3","7","2","1") = "6"
    & skf21("4","5","7","2","3","7","3","1") = "6"
    & skf21("4","5","7","2","3","7","4","1") = "6"
    & skf21("4","5","7","2","3","7","5","1") = "6"
    & skf21("4","5","7","2","3","7","6","1") = "6"
    & skf21("4","5","7","2","3","7","7","1") = "6"
    & skf21("4","5","7","2","4","1","1","1") = "6"
    & skf21("4","5","7","2","4","1","2","1") = "6"
    & skf21("4","5","7","2","4","1","3","1") = "6"
    & skf21("4","5","7","2","4","1","4","1") = "6"
    & skf21("4","5","7","2","4","1","5","1") = "6"
    & skf21("4","5","7","2","4","1","6","1") = "6"
    & skf21("4","5","7","2","4","1","7","1") = "6"
    & skf21("4","5","7","2","4","2","1","1") = "6"
    & skf21("4","5","7","2","4","2","2","1") = "6"
    & skf21("4","5","7","2","4","2","3","1") = "6"
    & skf21("4","5","7","2","4","2","4","1") = "6"
    & skf21("4","5","7","2","4","2","5","1") = "6"
    & skf21("4","5","7","2","4","2","6","1") = "6"
    & skf21("4","5","7","2","4","2","7","1") = "6"
    & skf21("4","5","7","2","4","3","1","1") = "6"
    & skf21("4","5","7","2","4","3","2","1") = "6"
    & skf21("4","5","7","2","4","3","3","1") = "6"
    & skf21("4","5","7","2","4","3","4","1") = "6"
    & skf21("4","5","7","2","4","3","5","1") = "6"
    & skf21("4","5","7","2","4","3","6","1") = "6"
    & skf21("4","5","7","2","4","3","7","1") = "6"
    & skf21("4","5","7","2","4","4","1","1") = "6"
    & skf21("4","5","7","2","4","4","2","1") = "6"
    & skf21("4","5","7","2","4","4","3","1") = "6"
    & skf21("4","5","7","2","4","4","4","1") = "6"
    & skf21("4","5","7","2","4","4","5","1") = "6"
    & skf21("4","5","7","2","4","4","6","1") = "6"
    & skf21("4","5","7","2","4","4","7","1") = "6"
    & skf21("4","5","7","2","4","5","1","1") = "6"
    & skf21("4","5","7","2","4","5","2","1") = "6"
    & skf21("4","5","7","2","4","5","3","1") = "6"
    & skf21("4","5","7","2","4","5","4","1") = "6"
    & skf21("4","5","7","2","4","5","5","1") = "6"
    & skf21("4","5","7","2","4","5","6","1") = "6"
    & skf21("4","5","7","2","4","5","7","1") = "6"
    & skf21("4","5","7","2","4","6","1","1") = "6"
    & skf21("4","5","7","2","4","6","2","1") = "6"
    & skf21("4","5","7","2","4","6","3","1") = "6"
    & skf21("4","5","7","2","4","6","4","1") = "6"
    & skf21("4","5","7","2","4","6","5","1") = "6"
    & skf21("4","5","7","2","4","6","6","1") = "6"
    & skf21("4","5","7","2","4","6","7","1") = "6"
    & skf21("4","5","7","2","4","7","1","1") = "6"
    & skf21("4","5","7","2","4","7","2","1") = "6"
    & skf21("4","5","7","2","4","7","3","1") = "6"
    & skf21("4","5","7","2","4","7","4","1") = "6"
    & skf21("4","5","7","2","4","7","5","1") = "6"
    & skf21("4","5","7","2","4","7","6","1") = "6"
    & skf21("4","5","7","2","4","7","7","1") = "6"
    & skf21("4","5","7","2","5","1","1","1") = "6"
    & skf21("4","5","7","2","5","1","2","1") = "6"
    & skf21("4","5","7","2","5","1","3","1") = "6"
    & skf21("4","5","7","2","5","1","4","1") = "6"
    & skf21("4","5","7","2","5","1","5","1") = "6"
    & skf21("4","5","7","2","5","1","6","1") = "6"
    & skf21("4","5","7","2","5","1","7","1") = "6"
    & skf21("4","5","7","2","5","2","1","1") = "6"
    & skf21("4","5","7","2","5","2","2","1") = "6"
    & skf21("4","5","7","2","5","2","3","1") = "6"
    & skf21("4","5","7","2","5","2","4","1") = "6"
    & skf21("4","5","7","2","5","2","5","1") = "6"
    & skf21("4","5","7","2","5","2","6","1") = "6"
    & skf21("4","5","7","2","5","2","7","1") = "6"
    & skf21("4","5","7","2","5","3","1","1") = "6"
    & skf21("4","5","7","2","5","3","2","1") = "6"
    & skf21("4","5","7","2","5","3","3","1") = "6"
    & skf21("4","5","7","2","5","3","4","1") = "6"
    & skf21("4","5","7","2","5","3","5","1") = "6"
    & skf21("4","5","7","2","5","3","6","1") = "6"
    & skf21("4","5","7","2","5","3","7","1") = "6"
    & skf21("4","5","7","2","5","4","1","1") = "6"
    & skf21("4","5","7","2","5","4","2","1") = "6"
    & skf21("4","5","7","2","5","4","3","1") = "6"
    & skf21("4","5","7","2","5","4","4","1") = "6"
    & skf21("4","5","7","2","5","4","5","1") = "6"
    & skf21("4","5","7","2","5","4","6","1") = "6"
    & skf21("4","5","7","2","5","4","7","1") = "6"
    & skf21("4","5","7","2","5","5","1","1") = "6"
    & skf21("4","5","7","2","5","5","2","1") = "6"
    & skf21("4","5","7","2","5","5","3","1") = "6"
    & skf21("4","5","7","2","5","5","4","1") = "6"
    & skf21("4","5","7","2","5","5","5","1") = "6"
    & skf21("4","5","7","2","5","5","6","1") = "6"
    & skf21("4","5","7","2","5","5","7","1") = "6"
    & skf21("4","5","7","2","5","6","1","1") = "6"
    & skf21("4","5","7","2","5","6","2","1") = "6"
    & skf21("4","5","7","2","5","6","3","1") = "6"
    & skf21("4","5","7","2","5","6","4","1") = "6"
    & skf21("4","5","7","2","5","6","5","1") = "6"
    & skf21("4","5","7","2","5","6","6","1") = "6"
    & skf21("4","5","7","2","5","6","7","1") = "6"
    & skf21("4","5","7","2","5","7","1","1") = "6"
    & skf21("4","5","7","2","5","7","2","1") = "6"
    & skf21("4","5","7","2","5","7","3","1") = "6"
    & skf21("4","5","7","2","5","7","4","1") = "6"
    & skf21("4","5","7","2","5","7","5","1") = "6"
    & skf21("4","5","7","2","5","7","6","1") = "6"
    & skf21("4","5","7","2","5","7","7","1") = "6"
    & skf21("4","5","7","2","6","1","1","1") = "6"
    & skf21("4","5","7","2","6","1","2","1") = "6"
    & skf21("4","5","7","2","6","1","3","1") = "6"
    & skf21("4","5","7","2","6","1","4","1") = "6"
    & skf21("4","5","7","2","6","1","5","1") = "6"
    & skf21("4","5","7","2","6","1","6","1") = "6"
    & skf21("4","5","7","2","6","1","7","1") = "6"
    & skf21("4","5","7","2","6","2","1","1") = "6"
    & skf21("4","5","7","2","6","2","2","1") = "6"
    & skf21("4","5","7","2","6","2","3","1") = "6"
    & skf21("4","5","7","2","6","2","4","1") = "6"
    & skf21("4","5","7","2","6","2","5","1") = "6"
    & skf21("4","5","7","2","6","2","6","1") = "6"
    & skf21("4","5","7","2","6","2","7","1") = "6"
    & skf21("4","5","7","2","6","3","1","1") = "6"
    & skf21("4","5","7","2","6","3","2","1") = "6"
    & skf21("4","5","7","2","6","3","3","1") = "6"
    & skf21("4","5","7","2","6","3","4","1") = "6"
    & skf21("4","5","7","2","6","3","5","1") = "6"
    & skf21("4","5","7","2","6","3","6","1") = "6"
    & skf21("4","5","7","2","6","3","7","1") = "6"
    & skf21("4","5","7","2","6","4","1","1") = "6"
    & skf21("4","5","7","2","6","4","2","1") = "6"
    & skf21("4","5","7","2","6","4","3","1") = "6"
    & skf21("4","5","7","2","6","4","4","1") = "6"
    & skf21("4","5","7","2","6","4","5","1") = "6"
    & skf21("4","5","7","2","6","4","6","1") = "6"
    & skf21("4","5","7","2","6","4","7","1") = "6"
    & skf21("4","5","7","2","6","5","1","1") = "6"
    & skf21("4","5","7","2","6","5","2","1") = "6"
    & skf21("4","5","7","2","6","5","3","1") = "6"
    & skf21("4","5","7","2","6","5","4","1") = "6"
    & skf21("4","5","7","2","6","5","5","1") = "6"
    & skf21("4","5","7","2","6","5","6","1") = "6"
    & skf21("4","5","7","2","6","5","7","1") = "6"
    & skf21("4","5","7","2","6","6","1","1") = "6"
    & skf21("4","5","7","2","6","6","2","1") = "6"
    & skf21("4","5","7","2","6","6","3","1") = "6"
    & skf21("4","5","7","2","6","6","4","1") = "6"
    & skf21("4","5","7","2","6","6","5","1") = "6"
    & skf21("4","5","7","2","6","6","6","1") = "6"
    & skf21("4","5","7","2","6","6","7","1") = "6"
    & skf21("4","5","7","2","6","7","1","1") = "6"
    & skf21("4","5","7","2","6","7","2","1") = "6"
    & skf21("4","5","7","2","6","7","3","1") = "6"
    & skf21("4","5","7","2","6","7","4","1") = "6"
    & skf21("4","5","7","2","6","7","5","1") = "6"
    & skf21("4","5","7","2","6","7","6","1") = "6"
    & skf21("4","5","7","2","6","7","7","1") = "6"
    & skf21("4","5","7","2","7","1","1","1") = "6"
    & skf21("4","5","7","2","7","1","2","1") = "6"
    & skf21("4","5","7","2","7","1","3","1") = "6"
    & skf21("4","5","7","2","7","1","4","1") = "6"
    & skf21("4","5","7","2","7","1","5","1") = "6"
    & skf21("4","5","7","2","7","1","6","1") = "6"
    & skf21("4","5","7","2","7","1","7","1") = "6"
    & skf21("4","5","7","2","7","2","1","1") = "6"
    & skf21("4","5","7","2","7","2","2","1") = "6"
    & skf21("4","5","7","2","7","2","3","1") = "6"
    & skf21("4","5","7","2","7","2","4","1") = "6"
    & skf21("4","5","7","2","7","2","5","1") = "6"
    & skf21("4","5","7","2","7","2","6","1") = "6"
    & skf21("4","5","7","2","7","2","7","1") = "6"
    & skf21("4","5","7","2","7","3","1","1") = "6"
    & skf21("4","5","7","2","7","3","2","1") = "6"
    & skf21("4","5","7","2","7","3","3","1") = "6"
    & skf21("4","5","7","2","7","3","4","1") = "6"
    & skf21("4","5","7","2","7","3","5","1") = "6"
    & skf21("4","5","7","2","7","3","6","1") = "6"
    & skf21("4","5","7","2","7","3","7","1") = "6"
    & skf21("4","5","7","2","7","4","1","1") = "6"
    & skf21("4","5","7","2","7","4","2","1") = "6"
    & skf21("4","5","7","2","7","4","3","1") = "6"
    & skf21("4","5","7","2","7","4","4","1") = "6"
    & skf21("4","5","7","2","7","4","5","1") = "6"
    & skf21("4","5","7","2","7","4","6","1") = "6"
    & skf21("4","5","7","2","7","4","7","1") = "6"
    & skf21("4","5","7","2","7","5","1","1") = "6"
    & skf21("4","5","7","2","7","5","2","1") = "6"
    & skf21("4","5","7","2","7","5","3","1") = "6"
    & skf21("4","5","7","2","7","5","4","1") = "6"
    & skf21("4","5","7","2","7","5","5","1") = "6"
    & skf21("4","5","7","2","7","5","6","1") = "6"
    & skf21("4","5","7","2","7","5","7","1") = "6"
    & skf21("4","5","7","2","7","6","1","1") = "6"
    & skf21("4","5","7","2","7","6","2","1") = "6"
    & skf21("4","5","7","2","7","6","3","1") = "6"
    & skf21("4","5","7","2","7","6","4","1") = "6"
    & skf21("4","5","7","2","7","6","5","1") = "6"
    & skf21("4","5","7","2","7","6","6","1") = "6"
    & skf21("4","5","7","2","7","6","7","1") = "6"
    & skf21("4","5","7","2","7","7","1","1") = "6"
    & skf21("4","5","7","2","7","7","2","1") = "6"
    & skf21("4","5","7","2","7","7","3","1") = "6"
    & skf21("4","5","7","2","7","7","4","1") = "6"
    & skf21("4","5","7","2","7","7","5","1") = "6"
    & skf21("4","5","7","2","7","7","6","1") = "6"
    & skf21("4","5","7","2","7","7","7","1") = "6"
    & skf21("4","5","7","3","1","1","1","1") = "6"
    & skf21("4","5","7","3","1","1","2","1") = "6"
    & skf21("4","5","7","3","1","1","3","1") = "6"
    & skf21("4","5","7","3","1","1","4","1") = "6"
    & skf21("4","5","7","3","1","1","5","1") = "6"
    & skf21("4","5","7","3","1","1","6","1") = "6"
    & skf21("4","5","7","3","1","1","7","1") = "6"
    & skf21("4","5","7","3","1","2","1","1") = "6"
    & skf21("4","5","7","3","1","2","2","1") = "6"
    & skf21("4","5","7","3","1","2","3","1") = "6"
    & skf21("4","5","7","3","1","2","4","1") = "6"
    & skf21("4","5","7","3","1","2","5","1") = "6"
    & skf21("4","5","7","3","1","2","6","1") = "6"
    & skf21("4","5","7","3","1","2","7","1") = "6"
    & skf21("4","5","7","3","1","3","1","1") = "6"
    & skf21("4","5","7","3","1","3","2","1") = "6"
    & skf21("4","5","7","3","1","3","3","1") = "6"
    & skf21("4","5","7","3","1","3","4","1") = "6"
    & skf21("4","5","7","3","1","3","5","1") = "6"
    & skf21("4","5","7","3","1","3","6","1") = "6"
    & skf21("4","5","7","3","1","3","7","1") = "6"
    & skf21("4","5","7","3","1","4","1","1") = "6"
    & skf21("4","5","7","3","1","4","2","1") = "6"
    & skf21("4","5","7","3","1","4","3","1") = "6"
    & skf21("4","5","7","3","1","4","4","1") = "6"
    & skf21("4","5","7","3","1","4","5","1") = "6"
    & skf21("4","5","7","3","1","4","6","1") = "6"
    & skf21("4","5","7","3","1","4","7","1") = "6"
    & skf21("4","5","7","3","1","5","1","1") = "6"
    & skf21("4","5","7","3","1","5","2","1") = "6"
    & skf21("4","5","7","3","1","5","3","1") = "6"
    & skf21("4","5","7","3","1","5","4","1") = "6"
    & skf21("4","5","7","3","1","5","5","1") = "6"
    & skf21("4","5","7","3","1","5","6","1") = "6"
    & skf21("4","5","7","3","1","5","7","1") = "6"
    & skf21("4","5","7","3","1","6","1","1") = "6"
    & skf21("4","5","7","3","1","6","2","1") = "6"
    & skf21("4","5","7","3","1","6","3","1") = "6"
    & skf21("4","5","7","3","1","6","4","1") = "6"
    & skf21("4","5","7","3","1","6","5","1") = "6"
    & skf21("4","5","7","3","1","6","6","1") = "6"
    & skf21("4","5","7","3","1","6","7","1") = "6"
    & skf21("4","5","7","3","1","7","1","1") = "6"
    & skf21("4","5","7","3","1","7","2","1") = "6"
    & skf21("4","5","7","3","1","7","3","1") = "6"
    & skf21("4","5","7","3","1","7","4","1") = "6"
    & skf21("4","5","7","3","1","7","5","1") = "6"
    & skf21("4","5","7","3","1","7","6","1") = "6"
    & skf21("4","5","7","3","1","7","7","1") = "6"
    & skf21("4","5","7","3","2","1","1","1") = "6"
    & skf21("4","5","7","3","2","1","2","1") = "6"
    & skf21("4","5","7","3","2","1","3","1") = "6"
    & skf21("4","5","7","3","2","1","4","1") = "6"
    & skf21("4","5","7","3","2","1","5","1") = "6"
    & skf21("4","5","7","3","2","1","6","1") = "6"
    & skf21("4","5","7","3","2","1","7","1") = "6"
    & skf21("4","5","7","3","2","2","1","1") = "6"
    & skf21("4","5","7","3","2","2","2","1") = "6"
    & skf21("4","5","7","3","2","2","3","1") = "6"
    & skf21("4","5","7","3","2","2","4","1") = "6"
    & skf21("4","5","7","3","2","2","5","1") = "6"
    & skf21("4","5","7","3","2","2","6","1") = "6"
    & skf21("4","5","7","3","2","2","7","1") = "6"
    & skf21("4","5","7","3","2","3","1","1") = "6"
    & skf21("4","5","7","3","2","3","2","1") = "6"
    & skf21("4","5","7","3","2","3","3","1") = "6"
    & skf21("4","5","7","3","2","3","4","1") = "6"
    & skf21("4","5","7","3","2","3","5","1") = "6"
    & skf21("4","5","7","3","2","3","6","1") = "6"
    & skf21("4","5","7","3","2","3","7","1") = "6"
    & skf21("4","5","7","3","2","4","1","1") = "6"
    & skf21("4","5","7","3","2","4","2","1") = "6"
    & skf21("4","5","7","3","2","4","3","1") = "6"
    & skf21("4","5","7","3","2","4","4","1") = "6"
    & skf21("4","5","7","3","2","4","5","1") = "6"
    & skf21("4","5","7","3","2","4","6","1") = "6"
    & skf21("4","5","7","3","2","4","7","1") = "6"
    & skf21("4","5","7","3","2","5","1","1") = "6"
    & skf21("4","5","7","3","2","5","2","1") = "6"
    & skf21("4","5","7","3","2","5","3","1") = "6"
    & skf21("4","5","7","3","2","5","4","1") = "6"
    & skf21("4","5","7","3","2","5","5","1") = "6"
    & skf21("4","5","7","3","2","5","6","1") = "6"
    & skf21("4","5","7","3","2","5","7","1") = "6"
    & skf21("4","5","7","3","2","6","1","1") = "6"
    & skf21("4","5","7","3","2","6","2","1") = "6"
    & skf21("4","5","7","3","2","6","3","1") = "6"
    & skf21("4","5","7","3","2","6","4","1") = "6"
    & skf21("4","5","7","3","2","6","5","1") = "6"
    & skf21("4","5","7","3","2","6","6","1") = "6"
    & skf21("4","5","7","3","2","6","7","1") = "6"
    & skf21("4","5","7","3","2","7","1","1") = "6"
    & skf21("4","5","7","3","2","7","2","1") = "6"
    & skf21("4","5","7","3","2","7","3","1") = "6"
    & skf21("4","5","7","3","2","7","4","1") = "6"
    & skf21("4","5","7","3","2","7","5","1") = "6"
    & skf21("4","5","7","3","2","7","6","1") = "6"
    & skf21("4","5","7","3","2","7","7","1") = "6"
    & skf21("4","5","7","3","3","1","1","1") = "6"
    & skf21("4","5","7","3","3","1","2","1") = "6"
    & skf21("4","5","7","3","3","1","3","1") = "6"
    & skf21("4","5","7","3","3","1","4","1") = "6"
    & skf21("4","5","7","3","3","1","5","1") = "6"
    & skf21("4","5","7","3","3","1","6","1") = "6"
    & skf21("4","5","7","3","3","1","7","1") = "6"
    & skf21("4","5","7","3","3","2","1","1") = "6"
    & skf21("4","5","7","3","3","2","2","1") = "6"
    & skf21("4","5","7","3","3","2","3","1") = "6"
    & skf21("4","5","7","3","3","2","4","1") = "6"
    & skf21("4","5","7","3","3","2","5","1") = "6"
    & skf21("4","5","7","3","3","2","6","1") = "6"
    & skf21("4","5","7","3","3","2","7","1") = "6"
    & skf21("4","5","7","3","3","3","1","1") = "6"
    & skf21("4","5","7","3","3","3","2","1") = "6"
    & skf21("4","5","7","3","3","3","3","1") = "6"
    & skf21("4","5","7","3","3","3","4","1") = "6"
    & skf21("4","5","7","3","3","3","5","1") = "6"
    & skf21("4","5","7","3","3","3","6","1") = "6"
    & skf21("4","5","7","3","3","3","7","1") = "6"
    & skf21("4","5","7","3","3","4","1","1") = "6"
    & skf21("4","5","7","3","3","4","2","1") = "6"
    & skf21("4","5","7","3","3","4","3","1") = "6"
    & skf21("4","5","7","3","3","4","4","1") = "6"
    & skf21("4","5","7","3","3","4","5","1") = "6"
    & skf21("4","5","7","3","3","4","6","1") = "6"
    & skf21("4","5","7","3","3","4","7","1") = "6"
    & skf21("4","5","7","3","3","5","1","1") = "6"
    & skf21("4","5","7","3","3","5","2","1") = "6"
    & skf21("4","5","7","3","3","5","3","1") = "6"
    & skf21("4","5","7","3","3","5","4","1") = "6"
    & skf21("4","5","7","3","3","5","5","1") = "6"
    & skf21("4","5","7","3","3","5","6","1") = "6"
    & skf21("4","5","7","3","3","5","7","1") = "6"
    & skf21("4","5","7","3","3","6","1","1") = "6"
    & skf21("4","5","7","3","3","6","2","1") = "6"
    & skf21("4","5","7","3","3","6","3","1") = "6"
    & skf21("4","5","7","3","3","6","4","1") = "6"
    & skf21("4","5","7","3","3","6","5","1") = "6"
    & skf21("4","5","7","3","3","6","6","1") = "6"
    & skf21("4","5","7","3","3","6","7","1") = "6"
    & skf21("4","5","7","3","3","7","1","1") = "6"
    & skf21("4","5","7","3","3","7","2","1") = "6"
    & skf21("4","5","7","3","3","7","3","1") = "6"
    & skf21("4","5","7","3","3","7","4","1") = "6"
    & skf21("4","5","7","3","3","7","5","1") = "6"
    & skf21("4","5","7","3","3","7","6","1") = "6"
    & skf21("4","5","7","3","3","7","7","1") = "6"
    & skf21("4","5","7","3","4","1","1","1") = "6"
    & skf21("4","5","7","3","4","1","2","1") = "6"
    & skf21("4","5","7","3","4","1","3","1") = "6"
    & skf21("4","5","7","3","4","1","4","1") = "6"
    & skf21("4","5","7","3","4","1","5","1") = "6"
    & skf21("4","5","7","3","4","1","6","1") = "6"
    & skf21("4","5","7","3","4","1","7","1") = "6"
    & skf21("4","5","7","3","4","2","1","1") = "6"
    & skf21("4","5","7","3","4","2","2","1") = "6"
    & skf21("4","5","7","3","4","2","3","1") = "6"
    & skf21("4","5","7","3","4","2","4","1") = "6"
    & skf21("4","5","7","3","4","2","5","1") = "6"
    & skf21("4","5","7","3","4","2","6","1") = "6"
    & skf21("4","5","7","3","4","2","7","1") = "6"
    & skf21("4","5","7","3","4","3","1","1") = "6"
    & skf21("4","5","7","3","4","3","2","1") = "6"
    & skf21("4","5","7","3","4","3","3","1") = "6"
    & skf21("4","5","7","3","4","3","4","1") = "6"
    & skf21("4","5","7","3","4","3","5","1") = "6"
    & skf21("4","5","7","3","4","3","6","1") = "6"
    & skf21("4","5","7","3","4","3","7","1") = "6"
    & skf21("4","5","7","3","4","4","1","1") = "6"
    & skf21("4","5","7","3","4","4","2","1") = "6"
    & skf21("4","5","7","3","4","4","3","1") = "6"
    & skf21("4","5","7","3","4","4","4","1") = "6"
    & skf21("4","5","7","3","4","4","5","1") = "6"
    & skf21("4","5","7","3","4","4","6","1") = "6"
    & skf21("4","5","7","3","4","4","7","1") = "6"
    & skf21("4","5","7","3","4","5","1","1") = "6"
    & skf21("4","5","7","3","4","5","2","1") = "6"
    & skf21("4","5","7","3","4","5","3","1") = "6"
    & skf21("4","5","7","3","4","5","4","1") = "6"
    & skf21("4","5","7","3","4","5","5","1") = "6"
    & skf21("4","5","7","3","4","5","6","1") = "6"
    & skf21("4","5","7","3","4","5","7","1") = "6"
    & skf21("4","5","7","3","4","6","1","1") = "6"
    & skf21("4","5","7","3","4","6","2","1") = "6"
    & skf21("4","5","7","3","4","6","3","1") = "6"
    & skf21("4","5","7","3","4","6","4","1") = "6"
    & skf21("4","5","7","3","4","6","5","1") = "6"
    & skf21("4","5","7","3","4","6","6","1") = "6"
    & skf21("4","5","7","3","4","6","7","1") = "6"
    & skf21("4","5","7","3","4","7","1","1") = "6"
    & skf21("4","5","7","3","4","7","2","1") = "6"
    & skf21("4","5","7","3","4","7","3","1") = "6"
    & skf21("4","5","7","3","4","7","4","1") = "6"
    & skf21("4","5","7","3","4","7","5","1") = "6"
    & skf21("4","5","7","3","4","7","6","1") = "6"
    & skf21("4","5","7","3","4","7","7","1") = "6"
    & skf21("4","5","7","3","5","1","1","1") = "6"
    & skf21("4","5","7","3","5","1","2","1") = "6"
    & skf21("4","5","7","3","5","1","3","1") = "6"
    & skf21("4","5","7","3","5","1","4","1") = "6"
    & skf21("4","5","7","3","5","1","5","1") = "6"
    & skf21("4","5","7","3","5","1","6","1") = "6"
    & skf21("4","5","7","3","5","1","7","1") = "6"
    & skf21("4","5","7","3","5","2","1","1") = "6"
    & skf21("4","5","7","3","5","2","2","1") = "6"
    & skf21("4","5","7","3","5","2","3","1") = "6"
    & skf21("4","5","7","3","5","2","4","1") = "6"
    & skf21("4","5","7","3","5","2","5","1") = "6"
    & skf21("4","5","7","3","5","2","6","1") = "6"
    & skf21("4","5","7","3","5","2","7","1") = "6"
    & skf21("4","5","7","3","5","3","1","1") = "6"
    & skf21("4","5","7","3","5","3","2","1") = "6"
    & skf21("4","5","7","3","5","3","3","1") = "6"
    & skf21("4","5","7","3","5","3","4","1") = "6"
    & skf21("4","5","7","3","5","3","5","1") = "6"
    & skf21("4","5","7","3","5","3","6","1") = "6"
    & skf21("4","5","7","3","5","3","7","1") = "6"
    & skf21("4","5","7","3","5","4","1","1") = "6"
    & skf21("4","5","7","3","5","4","2","1") = "6"
    & skf21("4","5","7","3","5","4","3","1") = "6"
    & skf21("4","5","7","3","5","4","4","1") = "6"
    & skf21("4","5","7","3","5","4","5","1") = "6"
    & skf21("4","5","7","3","5","4","6","1") = "6"
    & skf21("4","5","7","3","5","4","7","1") = "6"
    & skf21("4","5","7","3","5","5","1","1") = "6"
    & skf21("4","5","7","3","5","5","2","1") = "6"
    & skf21("4","5","7","3","5","5","3","1") = "6"
    & skf21("4","5","7","3","5","5","4","1") = "6"
    & skf21("4","5","7","3","5","5","5","1") = "6"
    & skf21("4","5","7","3","5","5","6","1") = "6"
    & skf21("4","5","7","3","5","5","7","1") = "6"
    & skf21("4","5","7","3","5","6","1","1") = "6"
    & skf21("4","5","7","3","5","6","2","1") = "6"
    & skf21("4","5","7","3","5","6","3","1") = "6"
    & skf21("4","5","7","3","5","6","4","1") = "6"
    & skf21("4","5","7","3","5","6","5","1") = "6"
    & skf21("4","5","7","3","5","6","6","1") = "6"
    & skf21("4","5","7","3","5","6","7","1") = "6"
    & skf21("4","5","7","3","5","7","1","1") = "6"
    & skf21("4","5","7","3","5","7","2","1") = "6"
    & skf21("4","5","7","3","5","7","3","1") = "6"
    & skf21("4","5","7","3","5","7","4","1") = "6"
    & skf21("4","5","7","3","5","7","5","1") = "6"
    & skf21("4","5","7","3","5","7","6","1") = "6"
    & skf21("4","5","7","3","5","7","7","1") = "6"
    & skf21("4","5","7","3","6","1","1","1") = "6"
    & skf21("4","5","7","3","6","1","2","1") = "6"
    & skf21("4","5","7","3","6","1","3","1") = "6"
    & skf21("4","5","7","3","6","1","4","1") = "6"
    & skf21("4","5","7","3","6","1","5","1") = "6"
    & skf21("4","5","7","3","6","1","6","1") = "6"
    & skf21("4","5","7","3","6","1","7","1") = "6"
    & skf21("4","5","7","3","6","2","1","1") = "6"
    & skf21("4","5","7","3","6","2","2","1") = "6"
    & skf21("4","5","7","3","6","2","3","1") = "6"
    & skf21("4","5","7","3","6","2","4","1") = "6"
    & skf21("4","5","7","3","6","2","5","1") = "6"
    & skf21("4","5","7","3","6","2","6","1") = "6"
    & skf21("4","5","7","3","6","2","7","1") = "6"
    & skf21("4","5","7","3","6","3","1","1") = "6"
    & skf21("4","5","7","3","6","3","2","1") = "6"
    & skf21("4","5","7","3","6","3","3","1") = "6"
    & skf21("4","5","7","3","6","3","4","1") = "6"
    & skf21("4","5","7","3","6","3","5","1") = "6"
    & skf21("4","5","7","3","6","3","6","1") = "6"
    & skf21("4","5","7","3","6","3","7","1") = "6"
    & skf21("4","5","7","3","6","4","1","1") = "6"
    & skf21("4","5","7","3","6","4","2","1") = "6"
    & skf21("4","5","7","3","6","4","3","1") = "6"
    & skf21("4","5","7","3","6","4","4","1") = "6"
    & skf21("4","5","7","3","6","4","5","1") = "6"
    & skf21("4","5","7","3","6","4","6","1") = "6"
    & skf21("4","5","7","3","6","4","7","1") = "6"
    & skf21("4","5","7","3","6","5","1","1") = "6"
    & skf21("4","5","7","3","6","5","2","1") = "6"
    & skf21("4","5","7","3","6","5","3","1") = "6"
    & skf21("4","5","7","3","6","5","4","1") = "6"
    & skf21("4","5","7","3","6","5","5","1") = "6"
    & skf21("4","5","7","3","6","5","6","1") = "6"
    & skf21("4","5","7","3","6","5","7","1") = "6"
    & skf21("4","5","7","3","6","6","1","1") = "6"
    & skf21("4","5","7","3","6","6","2","1") = "6"
    & skf21("4","5","7","3","6","6","3","1") = "6"
    & skf21("4","5","7","3","6","6","4","1") = "6"
    & skf21("4","5","7","3","6","6","5","1") = "6"
    & skf21("4","5","7","3","6","6","6","1") = "6"
    & skf21("4","5","7","3","6","6","7","1") = "6"
    & skf21("4","5","7","3","6","7","1","1") = "6"
    & skf21("4","5","7","3","6","7","2","1") = "6"
    & skf21("4","5","7","3","6","7","3","1") = "6"
    & skf21("4","5","7","3","6","7","4","1") = "6"
    & skf21("4","5","7","3","6","7","5","1") = "6"
    & skf21("4","5","7","3","6","7","6","1") = "6"
    & skf21("4","5","7","3","6","7","7","1") = "6"
    & skf21("4","5","7","3","7","1","1","1") = "6"
    & skf21("4","5","7","3","7","1","2","1") = "6"
    & skf21("4","5","7","3","7","1","3","1") = "6"
    & skf21("4","5","7","3","7","1","4","1") = "6"
    & skf21("4","5","7","3","7","1","5","1") = "6"
    & skf21("4","5","7","3","7","1","6","1") = "6"
    & skf21("4","5","7","3","7","1","7","1") = "6"
    & skf21("4","5","7","3","7","2","1","1") = "6"
    & skf21("4","5","7","3","7","2","2","1") = "6"
    & skf21("4","5","7","3","7","2","3","1") = "6"
    & skf21("4","5","7","3","7","2","4","1") = "6"
    & skf21("4","5","7","3","7","2","5","1") = "6"
    & skf21("4","5","7","3","7","2","6","1") = "6"
    & skf21("4","5","7","3","7","2","7","1") = "6"
    & skf21("4","5","7","3","7","3","1","1") = "6"
    & skf21("4","5","7","3","7","3","2","1") = "6"
    & skf21("4","5","7","3","7","3","3","1") = "6"
    & skf21("4","5","7","3","7","3","4","1") = "6"
    & skf21("4","5","7","3","7","3","5","1") = "6"
    & skf21("4","5","7","3","7","3","6","1") = "6"
    & skf21("4","5","7","3","7","3","7","1") = "6"
    & skf21("4","5","7","3","7","4","1","1") = "6"
    & skf21("4","5","7","3","7","4","2","1") = "6"
    & skf21("4","5","7","3","7","4","3","1") = "6"
    & skf21("4","5","7","3","7","4","4","1") = "6"
    & skf21("4","5","7","3","7","4","5","1") = "6"
    & skf21("4","5","7","3","7","4","6","1") = "6"
    & skf21("4","5","7","3","7","4","7","1") = "6"
    & skf21("4","5","7","3","7","5","1","1") = "6"
    & skf21("4","5","7","3","7","5","2","1") = "6"
    & skf21("4","5","7","3","7","5","3","1") = "6"
    & skf21("4","5","7","3","7","5","4","1") = "6"
    & skf21("4","5","7","3","7","5","5","1") = "6"
    & skf21("4","5","7","3","7","5","6","1") = "6"
    & skf21("4","5","7","3","7","5","7","1") = "6"
    & skf21("4","5","7","3","7","6","1","1") = "6"
    & skf21("4","5","7","3","7","6","2","1") = "6"
    & skf21("4","5","7","3","7","6","3","1") = "6"
    & skf21("4","5","7","3","7","6","4","1") = "6"
    & skf21("4","5","7","3","7","6","5","1") = "6"
    & skf21("4","5","7","3","7","6","6","1") = "6"
    & skf21("4","5","7","3","7","6","7","1") = "6"
    & skf21("4","5","7","3","7","7","1","1") = "6"
    & skf21("4","5","7","3","7","7","2","1") = "6"
    & skf21("4","5","7","3","7","7","3","1") = "6"
    & skf21("4","5","7","3","7","7","4","1") = "6"
    & skf21("4","5","7","3","7","7","5","1") = "6"
    & skf21("4","5","7","3","7","7","6","1") = "6"
    & skf21("4","5","7","3","7","7","7","1") = "6"
    & skf21("4","5","7","4","1","1","1","1") = "6"
    & skf21("4","5","7","4","1","1","2","1") = "6"
    & skf21("4","5","7","4","1","1","3","1") = "6"
    & skf21("4","5","7","4","1","1","4","1") = "6"
    & skf21("4","5","7","4","1","1","5","1") = "6"
    & skf21("4","5","7","4","1","1","6","1") = "6"
    & skf21("4","5","7","4","1","1","7","1") = "6"
    & skf21("4","5","7","4","1","2","1","1") = "6"
    & skf21("4","5","7","4","1","2","2","1") = "6"
    & skf21("4","5","7","4","1","2","3","1") = "6"
    & skf21("4","5","7","4","1","2","4","1") = "6"
    & skf21("4","5","7","4","1","2","5","1") = "6"
    & skf21("4","5","7","4","1","2","6","1") = "6"
    & skf21("4","5","7","4","1","2","7","1") = "6"
    & skf21("4","5","7","4","1","3","1","1") = "6"
    & skf21("4","5","7","4","1","3","2","1") = "6"
    & skf21("4","5","7","4","1","3","3","1") = "6"
    & skf21("4","5","7","4","1","3","4","1") = "6"
    & skf21("4","5","7","4","1","3","5","1") = "6"
    & skf21("4","5","7","4","1","3","6","1") = "6"
    & skf21("4","5","7","4","1","3","7","1") = "6"
    & skf21("4","5","7","4","1","4","1","1") = "6"
    & skf21("4","5","7","4","1","4","2","1") = "6"
    & skf21("4","5","7","4","1","4","3","1") = "6"
    & skf21("4","5","7","4","1","4","4","1") = "6"
    & skf21("4","5","7","4","1","4","5","1") = "6"
    & skf21("4","5","7","4","1","4","6","1") = "6"
    & skf21("4","5","7","4","1","4","7","1") = "6"
    & skf21("4","5","7","4","1","5","1","1") = "6"
    & skf21("4","5","7","4","1","5","2","1") = "6"
    & skf21("4","5","7","4","1","5","3","1") = "6"
    & skf21("4","5","7","4","1","5","4","1") = "6"
    & skf21("4","5","7","4","1","5","5","1") = "6"
    & skf21("4","5","7","4","1","5","6","1") = "6"
    & skf21("4","5","7","4","1","5","7","1") = "6"
    & skf21("4","5","7","4","1","6","1","1") = "6"
    & skf21("4","5","7","4","1","6","2","1") = "6"
    & skf21("4","5","7","4","1","6","3","1") = "6"
    & skf21("4","5","7","4","1","6","4","1") = "6"
    & skf21("4","5","7","4","1","6","5","1") = "6"
    & skf21("4","5","7","4","1","6","6","1") = "6"
    & skf21("4","5","7","4","1","6","7","1") = "6"
    & skf21("4","5","7","4","1","7","1","1") = "6"
    & skf21("4","5","7","4","1","7","2","1") = "6"
    & skf21("4","5","7","4","1","7","3","1") = "6"
    & skf21("4","5","7","4","1","7","4","1") = "6"
    & skf21("4","5","7","4","1","7","5","1") = "6"
    & skf21("4","5","7","4","1","7","6","1") = "6"
    & skf21("4","5","7","4","1","7","7","1") = "6"
    & skf21("4","5","7","4","2","1","1","1") = "6"
    & skf21("4","5","7","4","2","1","2","1") = "6"
    & skf21("4","5","7","4","2","1","3","1") = "6"
    & skf21("4","5","7","4","2","1","4","1") = "6"
    & skf21("4","5","7","4","2","1","5","1") = "6"
    & skf21("4","5","7","4","2","1","6","1") = "6"
    & skf21("4","5","7","4","2","1","7","1") = "6"
    & skf21("4","5","7","4","2","2","1","1") = "6"
    & skf21("4","5","7","4","2","2","2","1") = "6"
    & skf21("4","5","7","4","2","2","3","1") = "6"
    & skf21("4","5","7","4","2","2","4","1") = "6"
    & skf21("4","5","7","4","2","2","5","1") = "6"
    & skf21("4","5","7","4","2","2","6","1") = "6"
    & skf21("4","5","7","4","2","2","7","1") = "6"
    & skf21("4","5","7","4","2","3","1","1") = "6"
    & skf21("4","5","7","4","2","3","2","1") = "6"
    & skf21("4","5","7","4","2","3","3","1") = "6"
    & skf21("4","5","7","4","2","3","4","1") = "6"
    & skf21("4","5","7","4","2","3","5","1") = "6"
    & skf21("4","5","7","4","2","3","6","1") = "6"
    & skf21("4","5","7","4","2","3","7","1") = "6"
    & skf21("4","5","7","4","2","4","1","1") = "6"
    & skf21("4","5","7","4","2","4","2","1") = "6"
    & skf21("4","5","7","4","2","4","3","1") = "6"
    & skf21("4","5","7","4","2","4","4","1") = "6"
    & skf21("4","5","7","4","2","4","5","1") = "6"
    & skf21("4","5","7","4","2","4","6","1") = "6"
    & skf21("4","5","7","4","2","4","7","1") = "6"
    & skf21("4","5","7","4","2","5","1","1") = "6"
    & skf21("4","5","7","4","2","5","2","1") = "6"
    & skf21("4","5","7","4","2","5","3","1") = "6"
    & skf21("4","5","7","4","2","5","4","1") = "6"
    & skf21("4","5","7","4","2","5","5","1") = "6"
    & skf21("4","5","7","4","2","5","6","1") = "6"
    & skf21("4","5","7","4","2","5","7","1") = "6"
    & skf21("4","5","7","4","2","6","1","1") = "6"
    & skf21("4","5","7","4","2","6","2","1") = "6"
    & skf21("4","5","7","4","2","6","3","1") = "6"
    & skf21("4","5","7","4","2","6","4","1") = "6"
    & skf21("4","5","7","4","2","6","5","1") = "6"
    & skf21("4","5","7","4","2","6","6","1") = "6"
    & skf21("4","5","7","4","2","6","7","1") = "6"
    & skf21("4","5","7","4","2","7","1","1") = "6"
    & skf21("4","5","7","4","2","7","2","1") = "6"
    & skf21("4","5","7","4","2","7","3","1") = "6"
    & skf21("4","5","7","4","2","7","4","1") = "6"
    & skf21("4","5","7","4","2","7","5","1") = "6"
    & skf21("4","5","7","4","2","7","6","1") = "6"
    & skf21("4","5","7","4","2","7","7","1") = "6"
    & skf21("4","5","7","4","3","1","1","1") = "6"
    & skf21("4","5","7","4","3","1","2","1") = "6"
    & skf21("4","5","7","4","3","1","3","1") = "6"
    & skf21("4","5","7","4","3","1","4","1") = "6"
    & skf21("4","5","7","4","3","1","5","1") = "6"
    & skf21("4","5","7","4","3","1","6","1") = "6"
    & skf21("4","5","7","4","3","1","7","1") = "6"
    & skf21("4","5","7","4","3","2","1","1") = "6"
    & skf21("4","5","7","4","3","2","2","1") = "6"
    & skf21("4","5","7","4","3","2","3","1") = "6"
    & skf21("4","5","7","4","3","2","4","1") = "6"
    & skf21("4","5","7","4","3","2","5","1") = "6"
    & skf21("4","5","7","4","3","2","6","1") = "6"
    & skf21("4","5","7","4","3","2","7","1") = "6"
    & skf21("4","5","7","4","3","3","1","1") = "6"
    & skf21("4","5","7","4","3","3","2","1") = "6"
    & skf21("4","5","7","4","3","3","3","1") = "6"
    & skf21("4","5","7","4","3","3","4","1") = "6"
    & skf21("4","5","7","4","3","3","5","1") = "6"
    & skf21("4","5","7","4","3","3","6","1") = "6"
    & skf21("4","5","7","4","3","3","7","1") = "6"
    & skf21("4","5","7","4","3","4","1","1") = "6"
    & skf21("4","5","7","4","3","4","2","1") = "6"
    & skf21("4","5","7","4","3","4","3","1") = "6"
    & skf21("4","5","7","4","3","4","4","1") = "6"
    & skf21("4","5","7","4","3","4","5","1") = "6"
    & skf21("4","5","7","4","3","4","6","1") = "6"
    & skf21("4","5","7","4","3","4","7","1") = "6"
    & skf21("4","5","7","4","3","5","1","1") = "6"
    & skf21("4","5","7","4","3","5","2","1") = "6"
    & skf21("4","5","7","4","3","5","3","1") = "6"
    & skf21("4","5","7","4","3","5","4","1") = "6"
    & skf21("4","5","7","4","3","5","5","1") = "6"
    & skf21("4","5","7","4","3","5","6","1") = "6"
    & skf21("4","5","7","4","3","5","7","1") = "6"
    & skf21("4","5","7","4","3","6","1","1") = "6"
    & skf21("4","5","7","4","3","6","2","1") = "6"
    & skf21("4","5","7","4","3","6","3","1") = "6"
    & skf21("4","5","7","4","3","6","4","1") = "6"
    & skf21("4","5","7","4","3","6","5","1") = "6"
    & skf21("4","5","7","4","3","6","6","1") = "6"
    & skf21("4","5","7","4","3","6","7","1") = "6"
    & skf21("4","5","7","4","3","7","1","1") = "6"
    & skf21("4","5","7","4","3","7","2","1") = "6"
    & skf21("4","5","7","4","3","7","3","1") = "6"
    & skf21("4","5","7","4","3","7","4","1") = "6"
    & skf21("4","5","7","4","3","7","5","1") = "6"
    & skf21("4","5","7","4","3","7","6","1") = "6"
    & skf21("4","5","7","4","3","7","7","1") = "6"
    & skf21("4","5","7","4","4","1","1","1") = "6"
    & skf21("4","5","7","4","4","1","2","1") = "6"
    & skf21("4","5","7","4","4","1","3","1") = "6"
    & skf21("4","5","7","4","4","1","4","1") = "6"
    & skf21("4","5","7","4","4","1","5","1") = "6"
    & skf21("4","5","7","4","4","1","6","1") = "6"
    & skf21("4","5","7","4","4","1","7","1") = "6"
    & skf21("4","5","7","4","4","2","1","1") = "6"
    & skf21("4","5","7","4","4","2","2","1") = "6"
    & skf21("4","5","7","4","4","2","3","1") = "6"
    & skf21("4","5","7","4","4","2","4","1") = "6"
    & skf21("4","5","7","4","4","2","5","1") = "6"
    & skf21("4","5","7","4","4","2","6","1") = "6"
    & skf21("4","5","7","4","4","2","7","1") = "6"
    & skf21("4","5","7","4","4","3","1","1") = "6"
    & skf21("4","5","7","4","4","3","2","1") = "6"
    & skf21("4","5","7","4","4","3","3","1") = "6"
    & skf21("4","5","7","4","4","3","4","1") = "6"
    & skf21("4","5","7","4","4","3","5","1") = "6"
    & skf21("4","5","7","4","4","3","6","1") = "6"
    & skf21("4","5","7","4","4","3","7","1") = "6"
    & skf21("4","5","7","4","4","4","1","1") = "6"
    & skf21("4","5","7","4","4","4","2","1") = "6"
    & skf21("4","5","7","4","4","4","3","1") = "6"
    & skf21("4","5","7","4","4","4","4","1") = "6"
    & skf21("4","5","7","4","4","4","5","1") = "6"
    & skf21("4","5","7","4","4","4","6","1") = "6"
    & skf21("4","5","7","4","4","4","7","1") = "6"
    & skf21("4","5","7","4","4","5","1","1") = "6"
    & skf21("4","5","7","4","4","5","2","1") = "6"
    & skf21("4","5","7","4","4","5","3","1") = "6"
    & skf21("4","5","7","4","4","5","4","1") = "6"
    & skf21("4","5","7","4","4","5","5","1") = "6"
    & skf21("4","5","7","4","4","5","6","1") = "6"
    & skf21("4","5","7","4","4","5","7","1") = "6"
    & skf21("4","5","7","4","4","6","1","1") = "6"
    & skf21("4","5","7","4","4","6","2","1") = "6"
    & skf21("4","5","7","4","4","6","3","1") = "6"
    & skf21("4","5","7","4","4","6","4","1") = "6"
    & skf21("4","5","7","4","4","6","5","1") = "6"
    & skf21("4","5","7","4","4","6","6","1") = "6"
    & skf21("4","5","7","4","4","6","7","1") = "6"
    & skf21("4","5","7","4","4","7","1","1") = "6"
    & skf21("4","5","7","4","4","7","2","1") = "6"
    & skf21("4","5","7","4","4","7","3","1") = "6"
    & skf21("4","5","7","4","4","7","4","1") = "6"
    & skf21("4","5","7","4","4","7","5","1") = "6"
    & skf21("4","5","7","4","4","7","6","1") = "6"
    & skf21("4","5","7","4","4","7","7","1") = "6"
    & skf21("4","5","7","4","5","1","1","1") = "6"
    & skf21("4","5","7","4","5","1","2","1") = "6"
    & skf21("4","5","7","4","5","1","3","1") = "6"
    & skf21("4","5","7","4","5","1","4","1") = "6"
    & skf21("4","5","7","4","5","1","5","1") = "6"
    & skf21("4","5","7","4","5","1","6","1") = "6"
    & skf21("4","5","7","4","5","1","7","1") = "6"
    & skf21("4","5","7","4","5","2","1","1") = "6"
    & skf21("4","5","7","4","5","2","2","1") = "6"
    & skf21("4","5","7","4","5","2","3","1") = "6"
    & skf21("4","5","7","4","5","2","4","1") = "6"
    & skf21("4","5","7","4","5","2","5","1") = "6"
    & skf21("4","5","7","4","5","2","6","1") = "6"
    & skf21("4","5","7","4","5","2","7","1") = "6"
    & skf21("4","5","7","4","5","3","1","1") = "6"
    & skf21("4","5","7","4","5","3","2","1") = "6"
    & skf21("4","5","7","4","5","3","3","1") = "6"
    & skf21("4","5","7","4","5","3","4","1") = "6"
    & skf21("4","5","7","4","5","3","5","1") = "6"
    & skf21("4","5","7","4","5","3","6","1") = "6"
    & skf21("4","5","7","4","5","3","7","1") = "6"
    & skf21("4","5","7","4","5","4","1","1") = "6"
    & skf21("4","5","7","4","5","4","2","1") = "6"
    & skf21("4","5","7","4","5","4","3","1") = "6"
    & skf21("4","5","7","4","5","4","4","1") = "6"
    & skf21("4","5","7","4","5","4","5","1") = "6"
    & skf21("4","5","7","4","5","4","6","1") = "6"
    & skf21("4","5","7","4","5","4","7","1") = "6"
    & skf21("4","5","7","4","5","5","1","1") = "6"
    & skf21("4","5","7","4","5","5","2","1") = "6"
    & skf21("4","5","7","4","5","5","3","1") = "6"
    & skf21("4","5","7","4","5","5","4","1") = "6"
    & skf21("4","5","7","4","5","5","5","1") = "6"
    & skf21("4","5","7","4","5","5","6","1") = "6"
    & skf21("4","5","7","4","5","5","7","1") = "6"
    & skf21("4","5","7","4","5","6","1","1") = "6"
    & skf21("4","5","7","4","5","6","2","1") = "6"
    & skf21("4","5","7","4","5","6","3","1") = "6"
    & skf21("4","5","7","4","5","6","4","1") = "6"
    & skf21("4","5","7","4","5","6","5","1") = "6"
    & skf21("4","5","7","4","5","6","6","1") = "6"
    & skf21("4","5","7","4","5","6","7","1") = "6"
    & skf21("4","5","7","4","5","7","1","1") = "6"
    & skf21("4","5","7","4","5","7","2","1") = "6"
    & skf21("4","5","7","4","5","7","3","1") = "6"
    & skf21("4","5","7","4","5","7","4","1") = "6"
    & skf21("4","5","7","4","5","7","5","1") = "6"
    & skf21("4","5","7","4","5","7","6","1") = "6"
    & skf21("4","5","7","4","5","7","7","1") = "6"
    & skf21("4","5","7","4","6","1","1","1") = "6"
    & skf21("4","5","7","4","6","1","2","1") = "6"
    & skf21("4","5","7","4","6","1","3","1") = "6"
    & skf21("4","5","7","4","6","1","4","1") = "6"
    & skf21("4","5","7","4","6","1","5","1") = "6"
    & skf21("4","5","7","4","6","1","6","1") = "6"
    & skf21("4","5","7","4","6","1","7","1") = "6"
    & skf21("4","5","7","4","6","2","1","1") = "6"
    & skf21("4","5","7","4","6","2","2","1") = "6"
    & skf21("4","5","7","4","6","2","3","1") = "6"
    & skf21("4","5","7","4","6","2","4","1") = "6"
    & skf21("4","5","7","4","6","2","5","1") = "6"
    & skf21("4","5","7","4","6","2","6","1") = "6"
    & skf21("4","5","7","4","6","2","7","1") = "6"
    & skf21("4","5","7","4","6","3","1","1") = "6"
    & skf21("4","5","7","4","6","3","2","1") = "6"
    & skf21("4","5","7","4","6","3","3","1") = "6"
    & skf21("4","5","7","4","6","3","4","1") = "6"
    & skf21("4","5","7","4","6","3","5","1") = "6"
    & skf21("4","5","7","4","6","3","6","1") = "6"
    & skf21("4","5","7","4","6","3","7","1") = "6"
    & skf21("4","5","7","4","6","4","1","1") = "6"
    & skf21("4","5","7","4","6","4","2","1") = "6"
    & skf21("4","5","7","4","6","4","3","1") = "6"
    & skf21("4","5","7","4","6","4","4","1") = "6"
    & skf21("4","5","7","4","6","4","5","1") = "6"
    & skf21("4","5","7","4","6","4","6","1") = "6"
    & skf21("4","5","7","4","6","4","7","1") = "6"
    & skf21("4","5","7","4","6","5","1","1") = "6"
    & skf21("4","5","7","4","6","5","2","1") = "6"
    & skf21("4","5","7","4","6","5","3","1") = "6"
    & skf21("4","5","7","4","6","5","4","1") = "6"
    & skf21("4","5","7","4","6","5","5","1") = "6"
    & skf21("4","5","7","4","6","5","6","1") = "6"
    & skf21("4","5","7","4","6","5","7","1") = "6"
    & skf21("4","5","7","4","6","6","1","1") = "6"
    & skf21("4","5","7","4","6","6","2","1") = "6"
    & skf21("4","5","7","4","6","6","3","1") = "6"
    & skf21("4","5","7","4","6","6","4","1") = "6"
    & skf21("4","5","7","4","6","6","5","1") = "6"
    & skf21("4","5","7","4","6","6","6","1") = "6"
    & skf21("4","5","7","4","6","6","7","1") = "6"
    & skf21("4","5","7","4","6","7","1","1") = "6"
    & skf21("4","5","7","4","6","7","2","1") = "6"
    & skf21("4","5","7","4","6","7","3","1") = "6"
    & skf21("4","5","7","4","6","7","4","1") = "6"
    & skf21("4","5","7","4","6","7","5","1") = "6"
    & skf21("4","5","7","4","6","7","6","1") = "6"
    & skf21("4","5","7","4","6","7","7","1") = "6"
    & skf21("4","5","7","4","7","1","1","1") = "6"
    & skf21("4","5","7","4","7","1","2","1") = "6"
    & skf21("4","5","7","4","7","1","3","1") = "6"
    & skf21("4","5","7","4","7","1","4","1") = "6"
    & skf21("4","5","7","4","7","1","5","1") = "6"
    & skf21("4","5","7","4","7","1","6","1") = "6"
    & skf21("4","5","7","4","7","1","7","1") = "6"
    & skf21("4","5","7","4","7","2","1","1") = "6"
    & skf21("4","5","7","4","7","2","2","1") = "6"
    & skf21("4","5","7","4","7","2","3","1") = "6"
    & skf21("4","5","7","4","7","2","4","1") = "6"
    & skf21("4","5","7","4","7","2","5","1") = "6"
    & skf21("4","5","7","4","7","2","6","1") = "6"
    & skf21("4","5","7","4","7","2","7","1") = "6"
    & skf21("4","5","7","4","7","3","1","1") = "6"
    & skf21("4","5","7","4","7","3","2","1") = "6"
    & skf21("4","5","7","4","7","3","3","1") = "6"
    & skf21("4","5","7","4","7","3","4","1") = "6"
    & skf21("4","5","7","4","7","3","5","1") = "6"
    & skf21("4","5","7","4","7","3","6","1") = "6"
    & skf21("4","5","7","4","7","3","7","1") = "6"
    & skf21("4","5","7","4","7","4","1","1") = "6"
    & skf21("4","5","7","4","7","4","2","1") = "6"
    & skf21("4","5","7","4","7","4","3","1") = "6"
    & skf21("4","5","7","4","7","4","4","1") = "6"
    & skf21("4","5","7","4","7","4","5","1") = "6"
    & skf21("4","5","7","4","7","4","6","1") = "6"
    & skf21("4","5","7","4","7","4","7","1") = "6"
    & skf21("4","5","7","4","7","5","1","1") = "6"
    & skf21("4","5","7","4","7","5","2","1") = "6"
    & skf21("4","5","7","4","7","5","3","1") = "6"
    & skf21("4","5","7","4","7","5","4","1") = "6"
    & skf21("4","5","7","4","7","5","5","1") = "6"
    & skf21("4","5","7","4","7","5","6","1") = "6"
    & skf21("4","5","7","4","7","5","7","1") = "6"
    & skf21("4","5","7","4","7","6","1","1") = "6"
    & skf21("4","5","7","4","7","6","2","1") = "6"
    & skf21("4","5","7","4","7","6","3","1") = "6"
    & skf21("4","5","7","4","7","6","4","1") = "6"
    & skf21("4","5","7","4","7","6","5","1") = "6"
    & skf21("4","5","7","4","7","6","6","1") = "6"
    & skf21("4","5","7","4","7","6","7","1") = "6"
    & skf21("4","5","7","4","7","7","1","1") = "6"
    & skf21("4","5","7","4","7","7","2","1") = "6"
    & skf21("4","5","7","4","7","7","3","1") = "6"
    & skf21("4","5","7","4","7","7","4","1") = "6"
    & skf21("4","5","7","4","7","7","5","1") = "6"
    & skf21("4","5","7","4","7","7","6","1") = "6"
    & skf21("4","5","7","4","7","7","7","1") = "6"
    & skf21("4","5","7","5","1","1","1","1") = "6"
    & skf21("4","5","7","5","1","1","2","1") = "6"
    & skf21("4","5","7","5","1","1","3","1") = "6"
    & skf21("4","5","7","5","1","1","4","1") = "6"
    & skf21("4","5","7","5","1","1","5","1") = "6"
    & skf21("4","5","7","5","1","1","6","1") = "6"
    & skf21("4","5","7","5","1","1","7","1") = "6"
    & skf21("4","5","7","5","1","2","1","1") = "6"
    & skf21("4","5","7","5","1","2","2","1") = "6"
    & skf21("4","5","7","5","1","2","3","1") = "6"
    & skf21("4","5","7","5","1","2","4","1") = "6"
    & skf21("4","5","7","5","1","2","5","1") = "6"
    & skf21("4","5","7","5","1","2","6","1") = "6"
    & skf21("4","5","7","5","1","2","7","1") = "6"
    & skf21("4","5","7","5","1","3","1","1") = "6"
    & skf21("4","5","7","5","1","3","2","1") = "6"
    & skf21("4","5","7","5","1","3","3","1") = "6"
    & skf21("4","5","7","5","1","3","4","1") = "6"
    & skf21("4","5","7","5","1","3","5","1") = "6"
    & skf21("4","5","7","5","1","3","6","1") = "6"
    & skf21("4","5","7","5","1","3","7","1") = "6"
    & skf21("4","5","7","5","1","4","1","1") = "6"
    & skf21("4","5","7","5","1","4","2","1") = "6"
    & skf21("4","5","7","5","1","4","3","1") = "6"
    & skf21("4","5","7","5","1","4","4","1") = "6"
    & skf21("4","5","7","5","1","4","5","1") = "6"
    & skf21("4","5","7","5","1","4","6","1") = "6"
    & skf21("4","5","7","5","1","4","7","1") = "6"
    & skf21("4","5","7","5","1","5","1","1") = "6"
    & skf21("4","5","7","5","1","5","2","1") = "6"
    & skf21("4","5","7","5","1","5","3","1") = "6"
    & skf21("4","5","7","5","1","5","4","1") = "6"
    & skf21("4","5","7","5","1","5","5","1") = "6"
    & skf21("4","5","7","5","1","5","6","1") = "6"
    & skf21("4","5","7","5","1","5","7","1") = "6"
    & skf21("4","5","7","5","1","6","1","1") = "6"
    & skf21("4","5","7","5","1","6","2","1") = "6"
    & skf21("4","5","7","5","1","6","3","1") = "6"
    & skf21("4","5","7","5","1","6","4","1") = "6"
    & skf21("4","5","7","5","1","6","5","1") = "6"
    & skf21("4","5","7","5","1","6","6","1") = "6"
    & skf21("4","5","7","5","1","6","7","1") = "6"
    & skf21("4","5","7","5","1","7","1","1") = "6"
    & skf21("4","5","7","5","1","7","2","1") = "6"
    & skf21("4","5","7","5","1","7","3","1") = "6"
    & skf21("4","5","7","5","1","7","4","1") = "6"
    & skf21("4","5","7","5","1","7","5","1") = "6"
    & skf21("4","5","7","5","1","7","6","1") = "6"
    & skf21("4","5","7","5","1","7","7","1") = "6"
    & skf21("4","5","7","5","2","1","1","1") = "6"
    & skf21("4","5","7","5","2","1","2","1") = "6"
    & skf21("4","5","7","5","2","1","3","1") = "6"
    & skf21("4","5","7","5","2","1","4","1") = "6"
    & skf21("4","5","7","5","2","1","5","1") = "6"
    & skf21("4","5","7","5","2","1","6","1") = "6"
    & skf21("4","5","7","5","2","1","7","1") = "6"
    & skf21("4","5","7","5","2","2","1","1") = "6"
    & skf21("4","5","7","5","2","2","2","1") = "6"
    & skf21("4","5","7","5","2","2","3","1") = "6"
    & skf21("4","5","7","5","2","2","4","1") = "6"
    & skf21("4","5","7","5","2","2","5","1") = "6"
    & skf21("4","5","7","5","2","2","6","1") = "6"
    & skf21("4","5","7","5","2","2","7","1") = "6"
    & skf21("4","5","7","5","2","3","1","1") = "6"
    & skf21("4","5","7","5","2","3","2","1") = "6"
    & skf21("4","5","7","5","2","3","3","1") = "6"
    & skf21("4","5","7","5","2","3","4","1") = "6"
    & skf21("4","5","7","5","2","3","5","1") = "6"
    & skf21("4","5","7","5","2","3","6","1") = "6"
    & skf21("4","5","7","5","2","3","7","1") = "6"
    & skf21("4","5","7","5","2","4","1","1") = "6"
    & skf21("4","5","7","5","2","4","2","1") = "6"
    & skf21("4","5","7","5","2","4","3","1") = "6"
    & skf21("4","5","7","5","2","4","4","1") = "6"
    & skf21("4","5","7","5","2","4","5","1") = "6"
    & skf21("4","5","7","5","2","4","6","1") = "6"
    & skf21("4","5","7","5","2","4","7","1") = "6"
    & skf21("4","5","7","5","2","5","1","1") = "6"
    & skf21("4","5","7","5","2","5","2","1") = "6"
    & skf21("4","5","7","5","2","5","3","1") = "6"
    & skf21("4","5","7","5","2","5","4","1") = "6"
    & skf21("4","5","7","5","2","5","5","1") = "6"
    & skf21("4","5","7","5","2","5","6","1") = "6"
    & skf21("4","5","7","5","2","5","7","1") = "6"
    & skf21("4","5","7","5","2","6","1","1") = "6"
    & skf21("4","5","7","5","2","6","2","1") = "6"
    & skf21("4","5","7","5","2","6","3","1") = "6"
    & skf21("4","5","7","5","2","6","4","1") = "6"
    & skf21("4","5","7","5","2","6","5","1") = "6"
    & skf21("4","5","7","5","2","6","6","1") = "6"
    & skf21("4","5","7","5","2","6","7","1") = "6"
    & skf21("4","5","7","5","2","7","1","1") = "6"
    & skf21("4","5","7","5","2","7","2","1") = "6"
    & skf21("4","5","7","5","2","7","3","1") = "6"
    & skf21("4","5","7","5","2","7","4","1") = "6"
    & skf21("4","5","7","5","2","7","5","1") = "6"
    & skf21("4","5","7","5","2","7","6","1") = "6"
    & skf21("4","5","7","5","2","7","7","1") = "6"
    & skf21("4","5","7","5","3","1","1","1") = "6"
    & skf21("4","5","7","5","3","1","2","1") = "6"
    & skf21("4","5","7","5","3","1","3","1") = "6"
    & skf21("4","5","7","5","3","1","4","1") = "6"
    & skf21("4","5","7","5","3","1","5","1") = "6"
    & skf21("4","5","7","5","3","1","6","1") = "6"
    & skf21("4","5","7","5","3","1","7","1") = "6"
    & skf21("4","5","7","5","3","2","1","1") = "6"
    & skf21("4","5","7","5","3","2","2","1") = "6"
    & skf21("4","5","7","5","3","2","3","1") = "6"
    & skf21("4","5","7","5","3","2","4","1") = "6"
    & skf21("4","5","7","5","3","2","5","1") = "6"
    & skf21("4","5","7","5","3","2","6","1") = "6"
    & skf21("4","5","7","5","3","2","7","1") = "6"
    & skf21("4","5","7","5","3","3","1","1") = "6"
    & skf21("4","5","7","5","3","3","2","1") = "6"
    & skf21("4","5","7","5","3","3","3","1") = "6"
    & skf21("4","5","7","5","3","3","4","1") = "6"
    & skf21("4","5","7","5","3","3","5","1") = "6"
    & skf21("4","5","7","5","3","3","6","1") = "6"
    & skf21("4","5","7","5","3","3","7","1") = "6"
    & skf21("4","5","7","5","3","4","1","1") = "6"
    & skf21("4","5","7","5","3","4","2","1") = "6"
    & skf21("4","5","7","5","3","4","3","1") = "6"
    & skf21("4","5","7","5","3","4","4","1") = "6"
    & skf21("4","5","7","5","3","4","5","1") = "6"
    & skf21("4","5","7","5","3","4","6","1") = "6"
    & skf21("4","5","7","5","3","4","7","1") = "6"
    & skf21("4","5","7","5","3","5","1","1") = "6"
    & skf21("4","5","7","5","3","5","2","1") = "6"
    & skf21("4","5","7","5","3","5","3","1") = "6"
    & skf21("4","5","7","5","3","5","4","1") = "6"
    & skf21("4","5","7","5","3","5","5","1") = "6"
    & skf21("4","5","7","5","3","5","6","1") = "6"
    & skf21("4","5","7","5","3","5","7","1") = "6"
    & skf21("4","5","7","5","3","6","1","1") = "6"
    & skf21("4","5","7","5","3","6","2","1") = "6"
    & skf21("4","5","7","5","3","6","3","1") = "6"
    & skf21("4","5","7","5","3","6","4","1") = "6"
    & skf21("4","5","7","5","3","6","5","1") = "6"
    & skf21("4","5","7","5","3","6","6","1") = "6"
    & skf21("4","5","7","5","3","6","7","1") = "6"
    & skf21("4","5","7","5","3","7","1","1") = "6"
    & skf21("4","5","7","5","3","7","2","1") = "6"
    & skf21("4","5","7","5","3","7","3","1") = "6"
    & skf21("4","5","7","5","3","7","4","1") = "6"
    & skf21("4","5","7","5","3","7","5","1") = "6"
    & skf21("4","5","7","5","3","7","6","1") = "6"
    & skf21("4","5","7","5","3","7","7","1") = "6"
    & skf21("4","5","7","5","4","1","1","1") = "6"
    & skf21("4","5","7","5","4","1","2","1") = "6"
    & skf21("4","5","7","5","4","1","3","1") = "6"
    & skf21("4","5","7","5","4","1","4","1") = "6"
    & skf21("4","5","7","5","4","1","5","1") = "6"
    & skf21("4","5","7","5","4","1","6","1") = "6"
    & skf21("4","5","7","5","4","1","7","1") = "6"
    & skf21("4","5","7","5","4","2","1","1") = "6"
    & skf21("4","5","7","5","4","2","2","1") = "6"
    & skf21("4","5","7","5","4","2","3","1") = "6"
    & skf21("4","5","7","5","4","2","4","1") = "6"
    & skf21("4","5","7","5","4","2","5","1") = "6"
    & skf21("4","5","7","5","4","2","6","1") = "6"
    & skf21("4","5","7","5","4","2","7","1") = "6"
    & skf21("4","5","7","5","4","3","1","1") = "6"
    & skf21("4","5","7","5","4","3","2","1") = "6"
    & skf21("4","5","7","5","4","3","3","1") = "6"
    & skf21("4","5","7","5","4","3","4","1") = "6"
    & skf21("4","5","7","5","4","3","5","1") = "6"
    & skf21("4","5","7","5","4","3","6","1") = "6"
    & skf21("4","5","7","5","4","3","7","1") = "6"
    & skf21("4","5","7","5","4","4","1","1") = "6"
    & skf21("4","5","7","5","4","4","2","1") = "6"
    & skf21("4","5","7","5","4","4","3","1") = "6"
    & skf21("4","5","7","5","4","4","4","1") = "6"
    & skf21("4","5","7","5","4","4","5","1") = "6"
    & skf21("4","5","7","5","4","4","6","1") = "6"
    & skf21("4","5","7","5","4","4","7","1") = "6"
    & skf21("4","5","7","5","4","5","1","1") = "6"
    & skf21("4","5","7","5","4","5","2","1") = "6"
    & skf21("4","5","7","5","4","5","3","1") = "6"
    & skf21("4","5","7","5","4","5","4","1") = "6"
    & skf21("4","5","7","5","4","5","5","1") = "6"
    & skf21("4","5","7","5","4","5","6","1") = "6"
    & skf21("4","5","7","5","4","5","7","1") = "6"
    & skf21("4","5","7","5","4","6","1","1") = "6"
    & skf21("4","5","7","5","4","6","2","1") = "6"
    & skf21("4","5","7","5","4","6","3","1") = "6"
    & skf21("4","5","7","5","4","6","4","1") = "6"
    & skf21("4","5","7","5","4","6","5","1") = "6"
    & skf21("4","5","7","5","4","6","6","1") = "6"
    & skf21("4","5","7","5","4","6","7","1") = "6"
    & skf21("4","5","7","5","4","7","1","1") = "6"
    & skf21("4","5","7","5","4","7","2","1") = "6"
    & skf21("4","5","7","5","4","7","3","1") = "6"
    & skf21("4","5","7","5","4","7","4","1") = "6"
    & skf21("4","5","7","5","4","7","5","1") = "6"
    & skf21("4","5","7","5","4","7","6","1") = "6"
    & skf21("4","5","7","5","4","7","7","1") = "6"
    & skf21("4","5","7","5","5","1","1","1") = "6"
    & skf21("4","5","7","5","5","1","2","1") = "6"
    & skf21("4","5","7","5","5","1","3","1") = "6"
    & skf21("4","5","7","5","5","1","4","1") = "6"
    & skf21("4","5","7","5","5","1","5","1") = "6"
    & skf21("4","5","7","5","5","1","6","1") = "6"
    & skf21("4","5","7","5","5","1","7","1") = "6"
    & skf21("4","5","7","5","5","2","1","1") = "6"
    & skf21("4","5","7","5","5","2","2","1") = "6"
    & skf21("4","5","7","5","5","2","3","1") = "6"
    & skf21("4","5","7","5","5","2","4","1") = "6"
    & skf21("4","5","7","5","5","2","5","1") = "6"
    & skf21("4","5","7","5","5","2","6","1") = "6"
    & skf21("4","5","7","5","5","2","7","1") = "6"
    & skf21("4","5","7","5","5","3","1","1") = "6"
    & skf21("4","5","7","5","5","3","2","1") = "6"
    & skf21("4","5","7","5","5","3","3","1") = "6"
    & skf21("4","5","7","5","5","3","4","1") = "6"
    & skf21("4","5","7","5","5","3","5","1") = "6"
    & skf21("4","5","7","5","5","3","6","1") = "6"
    & skf21("4","5","7","5","5","3","7","1") = "6"
    & skf21("4","5","7","5","5","4","1","1") = "6"
    & skf21("4","5","7","5","5","4","2","1") = "6"
    & skf21("4","5","7","5","5","4","3","1") = "6"
    & skf21("4","5","7","5","5","4","4","1") = "6"
    & skf21("4","5","7","5","5","4","5","1") = "6"
    & skf21("4","5","7","5","5","4","6","1") = "6"
    & skf21("4","5","7","5","5","4","7","1") = "6"
    & skf21("4","5","7","5","5","5","1","1") = "6"
    & skf21("4","5","7","5","5","5","2","1") = "6"
    & skf21("4","5","7","5","5","5","3","1") = "6"
    & skf21("4","5","7","5","5","5","4","1") = "6"
    & skf21("4","5","7","5","5","5","5","1") = "6"
    & skf21("4","5","7","5","5","5","6","1") = "6"
    & skf21("4","5","7","5","5","5","7","1") = "6"
    & skf21("4","5","7","5","5","6","1","1") = "6"
    & skf21("4","5","7","5","5","6","2","1") = "6"
    & skf21("4","5","7","5","5","6","3","1") = "6"
    & skf21("4","5","7","5","5","6","4","1") = "6"
    & skf21("4","5","7","5","5","6","5","1") = "6"
    & skf21("4","5","7","5","5","6","6","1") = "6"
    & skf21("4","5","7","5","5","6","7","1") = "6"
    & skf21("4","5","7","5","5","7","1","1") = "6"
    & skf21("4","5","7","5","5","7","2","1") = "6"
    & skf21("4","5","7","5","5","7","3","1") = "6"
    & skf21("4","5","7","5","5","7","4","1") = "6"
    & skf21("4","5","7","5","5","7","5","1") = "6"
    & skf21("4","5","7","5","5","7","6","1") = "6"
    & skf21("4","5","7","5","5","7","7","1") = "6"
    & skf21("4","5","7","5","6","1","1","1") = "6"
    & skf21("4","5","7","5","6","1","2","1") = "6"
    & skf21("4","5","7","5","6","1","3","1") = "6"
    & skf21("4","5","7","5","6","1","4","1") = "6"
    & skf21("4","5","7","5","6","1","5","1") = "6"
    & skf21("4","5","7","5","6","1","6","1") = "6"
    & skf21("4","5","7","5","6","1","7","1") = "6"
    & skf21("4","5","7","5","6","2","1","1") = "6"
    & skf21("4","5","7","5","6","2","2","1") = "6"
    & skf21("4","5","7","5","6","2","3","1") = "6"
    & skf21("4","5","7","5","6","2","4","1") = "6"
    & skf21("4","5","7","5","6","2","5","1") = "6"
    & skf21("4","5","7","5","6","2","6","1") = "6"
    & skf21("4","5","7","5","6","2","7","1") = "6"
    & skf21("4","5","7","5","6","3","1","1") = "6"
    & skf21("4","5","7","5","6","3","2","1") = "6"
    & skf21("4","5","7","5","6","3","3","1") = "6"
    & skf21("4","5","7","5","6","3","4","1") = "6"
    & skf21("4","5","7","5","6","3","5","1") = "6"
    & skf21("4","5","7","5","6","3","6","1") = "6"
    & skf21("4","5","7","5","6","3","7","1") = "6"
    & skf21("4","5","7","5","6","4","1","1") = "6"
    & skf21("4","5","7","5","6","4","2","1") = "6"
    & skf21("4","5","7","5","6","4","3","1") = "6"
    & skf21("4","5","7","5","6","4","4","1") = "6"
    & skf21("4","5","7","5","6","4","5","1") = "6"
    & skf21("4","5","7","5","6","4","6","1") = "6"
    & skf21("4","5","7","5","6","4","7","1") = "6"
    & skf21("4","5","7","5","6","5","1","1") = "6"
    & skf21("4","5","7","5","6","5","2","1") = "6"
    & skf21("4","5","7","5","6","5","3","1") = "6"
    & skf21("4","5","7","5","6","5","4","1") = "6"
    & skf21("4","5","7","5","6","5","5","1") = "6"
    & skf21("4","5","7","5","6","5","6","1") = "6"
    & skf21("4","5","7","5","6","5","7","1") = "6"
    & skf21("4","5","7","5","6","6","1","1") = "6"
    & skf21("4","5","7","5","6","6","2","1") = "6"
    & skf21("4","5","7","5","6","6","3","1") = "6"
    & skf21("4","5","7","5","6","6","4","1") = "6"
    & skf21("4","5","7","5","6","6","5","1") = "6"
    & skf21("4","5","7","5","6","6","6","1") = "6"
    & skf21("4","5","7","5","6","6","7","1") = "6"
    & skf21("4","5","7","5","6","7","1","1") = "6"
    & skf21("4","5","7","5","6","7","2","1") = "6"
    & skf21("4","5","7","5","6","7","3","1") = "6"
    & skf21("4","5","7","5","6","7","4","1") = "6"
    & skf21("4","5","7","5","6","7","5","1") = "6"
    & skf21("4","5","7","5","6","7","6","1") = "6"
    & skf21("4","5","7","5","6","7","7","1") = "6"
    & skf21("4","5","7","5","7","1","1","1") = "6"
    & skf21("4","5","7","5","7","1","2","1") = "6"
    & skf21("4","5","7","5","7","1","3","1") = "6"
    & skf21("4","5","7","5","7","1","4","1") = "6"
    & skf21("4","5","7","5","7","1","5","1") = "6"
    & skf21("4","5","7","5","7","1","6","1") = "6"
    & skf21("4","5","7","5","7","1","7","1") = "6"
    & skf21("4","5","7","5","7","2","1","1") = "6"
    & skf21("4","5","7","5","7","2","2","1") = "6"
    & skf21("4","5","7","5","7","2","3","1") = "6"
    & skf21("4","5","7","5","7","2","4","1") = "6"
    & skf21("4","5","7","5","7","2","5","1") = "6"
    & skf21("4","5","7","5","7","2","6","1") = "6"
    & skf21("4","5","7","5","7","2","7","1") = "6"
    & skf21("4","5","7","5","7","3","1","1") = "6"
    & skf21("4","5","7","5","7","3","2","1") = "6"
    & skf21("4","5","7","5","7","3","3","1") = "6"
    & skf21("4","5","7","5","7","3","4","1") = "6"
    & skf21("4","5","7","5","7","3","5","1") = "6"
    & skf21("4","5","7","5","7","3","6","1") = "6"
    & skf21("4","5","7","5","7","3","7","1") = "6"
    & skf21("4","5","7","5","7","4","1","1") = "6"
    & skf21("4","5","7","5","7","4","2","1") = "6"
    & skf21("4","5","7","5","7","4","3","1") = "6"
    & skf21("4","5","7","5","7","4","4","1") = "6"
    & skf21("4","5","7","5","7","4","5","1") = "6"
    & skf21("4","5","7","5","7","4","6","1") = "6"
    & skf21("4","5","7","5","7","4","7","1") = "6"
    & skf21("4","5","7","5","7","5","1","1") = "6"
    & skf21("4","5","7","5","7","5","2","1") = "6"
    & skf21("4","5","7","5","7","5","3","1") = "6"
    & skf21("4","5","7","5","7","5","4","1") = "6"
    & skf21("4","5","7","5","7","5","5","1") = "6"
    & skf21("4","5","7","5","7","5","6","1") = "6"
    & skf21("4","5","7","5","7","5","7","1") = "6"
    & skf21("4","5","7","5","7","6","1","1") = "6"
    & skf21("4","5","7","5","7","6","2","1") = "6"
    & skf21("4","5","7","5","7","6","3","1") = "6"
    & skf21("4","5","7","5","7","6","4","1") = "6"
    & skf21("4","5","7","5","7","6","5","1") = "6"
    & skf21("4","5","7","5","7","6","6","1") = "6"
    & skf21("4","5","7","5","7","6","7","1") = "6"
    & skf21("4","5","7","5","7","7","1","1") = "6"
    & skf21("4","5","7","5","7","7","2","1") = "6"
    & skf21("4","5","7","5","7","7","3","1") = "6"
    & skf21("4","5","7","5","7","7","4","1") = "6"
    & skf21("4","5","7","5","7","7","5","1") = "6"
    & skf21("4","5","7","5","7","7","6","1") = "6"
    & skf21("4","5","7","5","7","7","7","1") = "6"
    & skf21("4","5","7","6","1","1","1","1") = "6"
    & skf21("4","5","7","6","1","1","2","1") = "6"
    & skf21("4","5","7","6","1","1","3","1") = "6"
    & skf21("4","5","7","6","1","1","4","1") = "6"
    & skf21("4","5","7","6","1","1","5","1") = "6"
    & skf21("4","5","7","6","1","1","6","1") = "6"
    & skf21("4","5","7","6","1","1","7","1") = "6"
    & skf21("4","5","7","6","1","2","1","1") = "6"
    & skf21("4","5","7","6","1","2","2","1") = "6"
    & skf21("4","5","7","6","1","2","3","1") = "6"
    & skf21("4","5","7","6","1","2","4","1") = "6"
    & skf21("4","5","7","6","1","2","5","1") = "6"
    & skf21("4","5","7","6","1","2","6","1") = "6"
    & skf21("4","5","7","6","1","2","7","1") = "6"
    & skf21("4","5","7","6","1","3","1","1") = "6"
    & skf21("4","5","7","6","1","3","2","1") = "6"
    & skf21("4","5","7","6","1","3","3","1") = "6"
    & skf21("4","5","7","6","1","3","4","1") = "6"
    & skf21("4","5","7","6","1","3","5","1") = "6"
    & skf21("4","5","7","6","1","3","6","1") = "6"
    & skf21("4","5","7","6","1","3","7","1") = "6"
    & skf21("4","5","7","6","1","4","1","1") = "6"
    & skf21("4","5","7","6","1","4","2","1") = "6"
    & skf21("4","5","7","6","1","4","3","1") = "6"
    & skf21("4","5","7","6","1","4","4","1") = "6"
    & skf21("4","5","7","6","1","4","5","1") = "6"
    & skf21("4","5","7","6","1","4","6","1") = "6"
    & skf21("4","5","7","6","1","4","7","1") = "6"
    & skf21("4","5","7","6","1","5","1","1") = "6"
    & skf21("4","5","7","6","1","5","2","1") = "6"
    & skf21("4","5","7","6","1","5","3","1") = "6"
    & skf21("4","5","7","6","1","5","4","1") = "6"
    & skf21("4","5","7","6","1","5","5","1") = "6"
    & skf21("4","5","7","6","1","5","6","1") = "6"
    & skf21("4","5","7","6","1","5","7","1") = "6"
    & skf21("4","5","7","6","1","6","1","1") = "6"
    & skf21("4","5","7","6","1","6","2","1") = "6"
    & skf21("4","5","7","6","1","6","3","1") = "6"
    & skf21("4","5","7","6","1","6","4","1") = "6"
    & skf21("4","5","7","6","1","6","5","1") = "6"
    & skf21("4","5","7","6","1","6","6","1") = "6"
    & skf21("4","5","7","6","1","6","7","1") = "6"
    & skf21("4","5","7","6","1","7","1","1") = "6"
    & skf21("4","5","7","6","1","7","2","1") = "6"
    & skf21("4","5","7","6","1","7","3","1") = "6"
    & skf21("4","5","7","6","1","7","4","1") = "6"
    & skf21("4","5","7","6","1","7","5","1") = "6"
    & skf21("4","5","7","6","1","7","6","1") = "6"
    & skf21("4","5","7","6","1","7","7","1") = "6"
    & skf21("4","5","7","6","2","1","1","1") = "6"
    & skf21("4","5","7","6","2","1","2","1") = "6"
    & skf21("4","5","7","6","2","1","3","1") = "6"
    & skf21("4","5","7","6","2","1","4","1") = "6"
    & skf21("4","5","7","6","2","1","5","1") = "6"
    & skf21("4","5","7","6","2","1","6","1") = "6"
    & skf21("4","5","7","6","2","1","7","1") = "6"
    & skf21("4","5","7","6","2","2","1","1") = "6"
    & skf21("4","5","7","6","2","2","2","1") = "6"
    & skf21("4","5","7","6","2","2","3","1") = "6"
    & skf21("4","5","7","6","2","2","4","1") = "6"
    & skf21("4","5","7","6","2","2","5","1") = "6"
    & skf21("4","5","7","6","2","2","6","1") = "6"
    & skf21("4","5","7","6","2","2","7","1") = "6"
    & skf21("4","5","7","6","2","3","1","1") = "6"
    & skf21("4","5","7","6","2","3","2","1") = "6"
    & skf21("4","5","7","6","2","3","3","1") = "6"
    & skf21("4","5","7","6","2","3","4","1") = "6"
    & skf21("4","5","7","6","2","3","5","1") = "6"
    & skf21("4","5","7","6","2","3","6","1") = "6"
    & skf21("4","5","7","6","2","3","7","1") = "6"
    & skf21("4","5","7","6","2","4","1","1") = "6"
    & skf21("4","5","7","6","2","4","2","1") = "6"
    & skf21("4","5","7","6","2","4","3","1") = "6"
    & skf21("4","5","7","6","2","4","4","1") = "6"
    & skf21("4","5","7","6","2","4","5","1") = "6"
    & skf21("4","5","7","6","2","4","6","1") = "6"
    & skf21("4","5","7","6","2","4","7","1") = "6"
    & skf21("4","5","7","6","2","5","1","1") = "6"
    & skf21("4","5","7","6","2","5","2","1") = "6"
    & skf21("4","5","7","6","2","5","3","1") = "6"
    & skf21("4","5","7","6","2","5","4","1") = "6"
    & skf21("4","5","7","6","2","5","5","1") = "6"
    & skf21("4","5","7","6","2","5","6","1") = "6"
    & skf21("4","5","7","6","2","5","7","1") = "6"
    & skf21("4","5","7","6","2","6","1","1") = "6"
    & skf21("4","5","7","6","2","6","2","1") = "6"
    & skf21("4","5","7","6","2","6","3","1") = "6"
    & skf21("4","5","7","6","2","6","4","1") = "6"
    & skf21("4","5","7","6","2","6","5","1") = "6"
    & skf21("4","5","7","6","2","6","6","1") = "6"
    & skf21("4","5","7","6","2","6","7","1") = "6"
    & skf21("4","5","7","6","2","7","1","1") = "6"
    & skf21("4","5","7","6","2","7","2","1") = "6"
    & skf21("4","5","7","6","2","7","3","1") = "6"
    & skf21("4","5","7","6","2","7","4","1") = "6"
    & skf21("4","5","7","6","2","7","5","1") = "6"
    & skf21("4","5","7","6","2","7","6","1") = "6"
    & skf21("4","5","7","6","2","7","7","1") = "6"
    & skf21("4","5","7","6","3","1","1","1") = "6"
    & skf21("4","5","7","6","3","1","2","1") = "6"
    & skf21("4","5","7","6","3","1","3","1") = "6"
    & skf21("4","5","7","6","3","1","4","1") = "6"
    & skf21("4","5","7","6","3","1","5","1") = "6"
    & skf21("4","5","7","6","3","1","6","1") = "6"
    & skf21("4","5","7","6","3","1","7","1") = "6"
    & skf21("4","5","7","6","3","2","1","1") = "6"
    & skf21("4","5","7","6","3","2","2","1") = "6"
    & skf21("4","5","7","6","3","2","3","1") = "6"
    & skf21("4","5","7","6","3","2","4","1") = "6"
    & skf21("4","5","7","6","3","2","5","1") = "6"
    & skf21("4","5","7","6","3","2","6","1") = "6"
    & skf21("4","5","7","6","3","2","7","1") = "6"
    & skf21("4","5","7","6","3","3","1","1") = "6"
    & skf21("4","5","7","6","3","3","2","1") = "6"
    & skf21("4","5","7","6","3","3","3","1") = "6"
    & skf21("4","5","7","6","3","3","4","1") = "6"
    & skf21("4","5","7","6","3","3","5","1") = "6"
    & skf21("4","5","7","6","3","3","6","1") = "6"
    & skf21("4","5","7","6","3","3","7","1") = "6"
    & skf21("4","5","7","6","3","4","1","1") = "6"
    & skf21("4","5","7","6","3","4","2","1") = "6"
    & skf21("4","5","7","6","3","4","3","1") = "6"
    & skf21("4","5","7","6","3","4","4","1") = "6"
    & skf21("4","5","7","6","3","4","5","1") = "6"
    & skf21("4","5","7","6","3","4","6","1") = "6"
    & skf21("4","5","7","6","3","4","7","1") = "6"
    & skf21("4","5","7","6","3","5","1","1") = "6"
    & skf21("4","5","7","6","3","5","2","1") = "6"
    & skf21("4","5","7","6","3","5","3","1") = "6"
    & skf21("4","5","7","6","3","5","4","1") = "6"
    & skf21("4","5","7","6","3","5","5","1") = "6"
    & skf21("4","5","7","6","3","5","6","1") = "6"
    & skf21("4","5","7","6","3","5","7","1") = "6"
    & skf21("4","5","7","6","3","6","1","1") = "6"
    & skf21("4","5","7","6","3","6","2","1") = "6"
    & skf21("4","5","7","6","3","6","3","1") = "6"
    & skf21("4","5","7","6","3","6","4","1") = "6"
    & skf21("4","5","7","6","3","6","5","1") = "6"
    & skf21("4","5","7","6","3","6","6","1") = "6"
    & skf21("4","5","7","6","3","6","7","1") = "6"
    & skf21("4","5","7","6","3","7","1","1") = "6"
    & skf21("4","5","7","6","3","7","2","1") = "6"
    & skf21("4","5","7","6","3","7","3","1") = "6"
    & skf21("4","5","7","6","3","7","4","1") = "6"
    & skf21("4","5","7","6","3","7","5","1") = "6"
    & skf21("4","5","7","6","3","7","6","1") = "6"
    & skf21("4","5","7","6","3","7","7","1") = "6"
    & skf21("4","5","7","6","4","1","1","1") = "6"
    & skf21("4","5","7","6","4","1","2","1") = "6"
    & skf21("4","5","7","6","4","1","3","1") = "6"
    & skf21("4","5","7","6","4","1","4","1") = "6"
    & skf21("4","5","7","6","4","1","5","1") = "6"
    & skf21("4","5","7","6","4","1","6","1") = "6"
    & skf21("4","5","7","6","4","1","7","1") = "6"
    & skf21("4","5","7","6","4","2","1","1") = "6"
    & skf21("4","5","7","6","4","2","2","1") = "6"
    & skf21("4","5","7","6","4","2","3","1") = "6"
    & skf21("4","5","7","6","4","2","4","1") = "6"
    & skf21("4","5","7","6","4","2","5","1") = "6"
    & skf21("4","5","7","6","4","2","6","1") = "6"
    & skf21("4","5","7","6","4","2","7","1") = "6"
    & skf21("4","5","7","6","4","3","1","1") = "6"
    & skf21("4","5","7","6","4","3","2","1") = "6"
    & skf21("4","5","7","6","4","3","3","1") = "6"
    & skf21("4","5","7","6","4","3","4","1") = "6"
    & skf21("4","5","7","6","4","3","5","1") = "6"
    & skf21("4","5","7","6","4","3","6","1") = "6"
    & skf21("4","5","7","6","4","3","7","1") = "6"
    & skf21("4","5","7","6","4","4","1","1") = "6"
    & skf21("4","5","7","6","4","4","2","1") = "6"
    & skf21("4","5","7","6","4","4","3","1") = "6"
    & skf21("4","5","7","6","4","4","4","1") = "6"
    & skf21("4","5","7","6","4","4","5","1") = "6"
    & skf21("4","5","7","6","4","4","6","1") = "6"
    & skf21("4","5","7","6","4","4","7","1") = "6"
    & skf21("4","5","7","6","4","5","1","1") = "6"
    & skf21("4","5","7","6","4","5","2","1") = "6"
    & skf21("4","5","7","6","4","5","3","1") = "6"
    & skf21("4","5","7","6","4","5","4","1") = "6"
    & skf21("4","5","7","6","4","5","5","1") = "6"
    & skf21("4","5","7","6","4","5","6","1") = "6"
    & skf21("4","5","7","6","4","5","7","1") = "6"
    & skf21("4","5","7","6","4","6","1","1") = "6"
    & skf21("4","5","7","6","4","6","2","1") = "6"
    & skf21("4","5","7","6","4","6","3","1") = "6"
    & skf21("4","5","7","6","4","6","4","1") = "6"
    & skf21("4","5","7","6","4","6","5","1") = "6"
    & skf21("4","5","7","6","4","6","6","1") = "6"
    & skf21("4","5","7","6","4","6","7","1") = "6"
    & skf21("4","5","7","6","4","7","1","1") = "6"
    & skf21("4","5","7","6","4","7","2","1") = "6"
    & skf21("4","5","7","6","4","7","3","1") = "6"
    & skf21("4","5","7","6","4","7","4","1") = "6"
    & skf21("4","5","7","6","4","7","5","1") = "6"
    & skf21("4","5","7","6","4","7","6","1") = "6"
    & skf21("4","5","7","6","4","7","7","1") = "6"
    & skf21("4","5","7","6","5","1","1","1") = "6"
    & skf21("4","5","7","6","5","1","2","1") = "6"
    & skf21("4","5","7","6","5","1","3","1") = "6"
    & skf21("4","5","7","6","5","1","4","1") = "6"
    & skf21("4","5","7","6","5","1","5","1") = "6"
    & skf21("4","5","7","6","5","1","6","1") = "6"
    & skf21("4","5","7","6","5","1","7","1") = "6"
    & skf21("4","5","7","6","5","2","1","1") = "6"
    & skf21("4","5","7","6","5","2","2","1") = "6"
    & skf21("4","5","7","6","5","2","3","1") = "6"
    & skf21("4","5","7","6","5","2","4","1") = "6"
    & skf21("4","5","7","6","5","2","5","1") = "6"
    & skf21("4","5","7","6","5","2","6","1") = "6"
    & skf21("4","5","7","6","5","2","7","1") = "6"
    & skf21("4","5","7","6","5","3","1","1") = "6"
    & skf21("4","5","7","6","5","3","2","1") = "6"
    & skf21("4","5","7","6","5","3","3","1") = "6"
    & skf21("4","5","7","6","5","3","4","1") = "6"
    & skf21("4","5","7","6","5","3","5","1") = "6"
    & skf21("4","5","7","6","5","3","6","1") = "6"
    & skf21("4","5","7","6","5","3","7","1") = "6"
    & skf21("4","5","7","6","5","4","1","1") = "6"
    & skf21("4","5","7","6","5","4","2","1") = "6"
    & skf21("4","5","7","6","5","4","3","1") = "6"
    & skf21("4","5","7","6","5","4","4","1") = "6"
    & skf21("4","5","7","6","5","4","5","1") = "6"
    & skf21("4","5","7","6","5","4","6","1") = "6"
    & skf21("4","5","7","6","5","4","7","1") = "6"
    & skf21("4","5","7","6","5","5","1","1") = "6"
    & skf21("4","5","7","6","5","5","2","1") = "6"
    & skf21("4","5","7","6","5","5","3","1") = "6"
    & skf21("4","5","7","6","5","5","4","1") = "6"
    & skf21("4","5","7","6","5","5","5","1") = "6"
    & skf21("4","5","7","6","5","5","6","1") = "6"
    & skf21("4","5","7","6","5","5","7","1") = "6"
    & skf21("4","5","7","6","5","6","1","1") = "6"
    & skf21("4","5","7","6","5","6","2","1") = "6"
    & skf21("4","5","7","6","5","6","3","1") = "6"
    & skf21("4","5","7","6","5","6","4","1") = "6"
    & skf21("4","5","7","6","5","6","5","1") = "6"
    & skf21("4","5","7","6","5","6","6","1") = "6"
    & skf21("4","5","7","6","5","6","7","1") = "6"
    & skf21("4","5","7","6","5","7","1","1") = "6"
    & skf21("4","5","7","6","5","7","2","1") = "6"
    & skf21("4","5","7","6","5","7","3","1") = "6"
    & skf21("4","5","7","6","5","7","4","1") = "6"
    & skf21("4","5","7","6","5","7","5","1") = "6"
    & skf21("4","5","7","6","5","7","6","1") = "6"
    & skf21("4","5","7","6","5","7","7","1") = "6"
    & skf21("4","5","7","6","6","1","1","1") = "6"
    & skf21("4","5","7","6","6","1","2","1") = "6"
    & skf21("4","5","7","6","6","1","3","1") = "6"
    & skf21("4","5","7","6","6","1","4","1") = "6"
    & skf21("4","5","7","6","6","1","5","1") = "6"
    & skf21("4","5","7","6","6","1","6","1") = "6"
    & skf21("4","5","7","6","6","1","7","1") = "6"
    & skf21("4","5","7","6","6","2","1","1") = "6"
    & skf21("4","5","7","6","6","2","2","1") = "6"
    & skf21("4","5","7","6","6","2","3","1") = "6"
    & skf21("4","5","7","6","6","2","4","1") = "6"
    & skf21("4","5","7","6","6","2","5","1") = "6"
    & skf21("4","5","7","6","6","2","6","1") = "6"
    & skf21("4","5","7","6","6","2","7","1") = "6"
    & skf21("4","5","7","6","6","3","1","1") = "6"
    & skf21("4","5","7","6","6","3","2","1") = "6"
    & skf21("4","5","7","6","6","3","3","1") = "6"
    & skf21("4","5","7","6","6","3","4","1") = "6"
    & skf21("4","5","7","6","6","3","5","1") = "6"
    & skf21("4","5","7","6","6","3","6","1") = "6"
    & skf21("4","5","7","6","6","3","7","1") = "6"
    & skf21("4","5","7","6","6","4","1","1") = "6"
    & skf21("4","5","7","6","6","4","2","1") = "6"
    & skf21("4","5","7","6","6","4","3","1") = "6"
    & skf21("4","5","7","6","6","4","4","1") = "6"
    & skf21("4","5","7","6","6","4","5","1") = "6"
    & skf21("4","5","7","6","6","4","6","1") = "6"
    & skf21("4","5","7","6","6","4","7","1") = "6"
    & skf21("4","5","7","6","6","5","1","1") = "6"
    & skf21("4","5","7","6","6","5","2","1") = "6"
    & skf21("4","5","7","6","6","5","3","1") = "6"
    & skf21("4","5","7","6","6","5","4","1") = "6"
    & skf21("4","5","7","6","6","5","5","1") = "6"
    & skf21("4","5","7","6","6","5","6","1") = "6"
    & skf21("4","5","7","6","6","5","7","1") = "6"
    & skf21("4","5","7","6","6","6","1","1") = "6"
    & skf21("4","5","7","6","6","6","2","1") = "6"
    & skf21("4","5","7","6","6","6","3","1") = "6"
    & skf21("4","5","7","6","6","6","4","1") = "6"
    & skf21("4","5","7","6","6","6","5","1") = "6"
    & skf21("4","5","7","6","6","6","6","1") = "6"
    & skf21("4","5","7","6","6","6","7","1") = "6"
    & skf21("4","5","7","6","6","7","1","1") = "6"
    & skf21("4","5","7","6","6","7","2","1") = "6"
    & skf21("4","5","7","6","6","7","3","1") = "6"
    & skf21("4","5","7","6","6","7","4","1") = "6"
    & skf21("4","5","7","6","6","7","5","1") = "6"
    & skf21("4","5","7","6","6","7","6","1") = "6"
    & skf21("4","5","7","6","6","7","7","1") = "6"
    & skf21("4","5","7","6","7","1","1","1") = "6"
    & skf21("4","5","7","6","7","1","2","1") = "6"
    & skf21("4","5","7","6","7","1","3","1") = "6"
    & skf21("4","5","7","6","7","1","4","1") = "6"
    & skf21("4","5","7","6","7","1","5","1") = "6"
    & skf21("4","5","7","6","7","1","6","1") = "6"
    & skf21("4","5","7","6","7","1","7","1") = "6"
    & skf21("4","5","7","6","7","2","1","1") = "6"
    & skf21("4","5","7","6","7","2","2","1") = "6"
    & skf21("4","5","7","6","7","2","3","1") = "6"
    & skf21("4","5","7","6","7","2","4","1") = "6"
    & skf21("4","5","7","6","7","2","5","1") = "6"
    & skf21("4","5","7","6","7","2","6","1") = "6"
    & skf21("4","5","7","6","7","2","7","1") = "6"
    & skf21("4","5","7","6","7","3","1","1") = "6"
    & skf21("4","5","7","6","7","3","2","1") = "6"
    & skf21("4","5","7","6","7","3","3","1") = "6"
    & skf21("4","5","7","6","7","3","4","1") = "6"
    & skf21("4","5","7","6","7","3","5","1") = "6"
    & skf21("4","5","7","6","7","3","6","1") = "6"
    & skf21("4","5","7","6","7","3","7","1") = "6"
    & skf21("4","5","7","6","7","4","1","1") = "6"
    & skf21("4","5","7","6","7","4","2","1") = "6"
    & skf21("4","5","7","6","7","4","3","1") = "6"
    & skf21("4","5","7","6","7","4","4","1") = "6"
    & skf21("4","5","7","6","7","4","5","1") = "6"
    & skf21("4","5","7","6","7","4","6","1") = "6"
    & skf21("4","5","7","6","7","4","7","1") = "6"
    & skf21("4","5","7","6","7","5","1","1") = "6"
    & skf21("4","5","7","6","7","5","2","1") = "6"
    & skf21("4","5","7","6","7","5","3","1") = "6"
    & skf21("4","5","7","6","7","5","4","1") = "6"
    & skf21("4","5","7","6","7","5","5","1") = "6"
    & skf21("4","5","7","6","7","5","6","1") = "6"
    & skf21("4","5","7","6","7","5","7","1") = "6"
    & skf21("4","5","7","6","7","6","1","1") = "6"
    & skf21("4","5","7","6","7","6","2","1") = "6"
    & skf21("4","5","7","6","7","6","3","1") = "6"
    & skf21("4","5","7","6","7","6","4","1") = "6"
    & skf21("4","5","7","6","7","6","5","1") = "6"
    & skf21("4","5","7","6","7","6","6","1") = "6"
    & skf21("4","5","7","6","7","6","7","1") = "6"
    & skf21("4","5","7","6","7","7","1","1") = "6"
    & skf21("4","5","7","6","7","7","2","1") = "6"
    & skf21("4","5","7","6","7","7","3","1") = "6"
    & skf21("4","5","7","6","7","7","4","1") = "6"
    & skf21("4","5","7","6","7","7","5","1") = "6"
    & skf21("4","5","7","6","7","7","6","1") = "6"
    & skf21("4","5","7","6","7","7","7","1") = "6"
    & skf21("4","5","7","7","1","1","1","1") = "6"
    & skf21("4","5","7","7","1","1","2","1") = "6"
    & skf21("4","5","7","7","1","1","3","1") = "6"
    & skf21("4","5","7","7","1","1","4","1") = "6"
    & skf21("4","5","7","7","1","1","5","1") = "6"
    & skf21("4","5","7","7","1","1","6","1") = "6"
    & skf21("4","5","7","7","1","1","7","1") = "6"
    & skf21("4","5","7","7","1","2","1","1") = "6"
    & skf21("4","5","7","7","1","2","2","1") = "6"
    & skf21("4","5","7","7","1","2","3","1") = "6"
    & skf21("4","5","7","7","1","2","4","1") = "6"
    & skf21("4","5","7","7","1","2","5","1") = "6"
    & skf21("4","5","7","7","1","2","6","1") = "6"
    & skf21("4","5","7","7","1","2","7","1") = "6"
    & skf21("4","5","7","7","1","3","1","1") = "6"
    & skf21("4","5","7","7","1","3","2","1") = "6"
    & skf21("4","5","7","7","1","3","3","1") = "6"
    & skf21("4","5","7","7","1","3","4","1") = "6"
    & skf21("4","5","7","7","1","3","5","1") = "6"
    & skf21("4","5","7","7","1","3","6","1") = "6"
    & skf21("4","5","7","7","1","3","7","1") = "6"
    & skf21("4","5","7","7","1","4","1","1") = "6"
    & skf21("4","5","7","7","1","4","2","1") = "6"
    & skf21("4","5","7","7","1","4","3","1") = "6"
    & skf21("4","5","7","7","1","4","4","1") = "6"
    & skf21("4","5","7","7","1","4","5","1") = "6"
    & skf21("4","5","7","7","1","4","6","1") = "6"
    & skf21("4","5","7","7","1","4","7","1") = "6"
    & skf21("4","5","7","7","1","5","1","1") = "6"
    & skf21("4","5","7","7","1","5","2","1") = "6"
    & skf21("4","5","7","7","1","5","3","1") = "6"
    & skf21("4","5","7","7","1","5","4","1") = "6"
    & skf21("4","5","7","7","1","5","5","1") = "6"
    & skf21("4","5","7","7","1","5","6","1") = "6"
    & skf21("4","5","7","7","1","5","7","1") = "6"
    & skf21("4","5","7","7","1","6","1","1") = "6"
    & skf21("4","5","7","7","1","6","2","1") = "6"
    & skf21("4","5","7","7","1","6","3","1") = "6"
    & skf21("4","5","7","7","1","6","4","1") = "6"
    & skf21("4","5","7","7","1","6","5","1") = "6"
    & skf21("4","5","7","7","1","6","6","1") = "6"
    & skf21("4","5","7","7","1","6","7","1") = "6"
    & skf21("4","5","7","7","1","7","1","1") = "6"
    & skf21("4","5","7","7","1","7","2","1") = "6"
    & skf21("4","5","7","7","1","7","3","1") = "6"
    & skf21("4","5","7","7","1","7","4","1") = "6"
    & skf21("4","5","7","7","1","7","5","1") = "6"
    & skf21("4","5","7","7","1","7","6","1") = "6"
    & skf21("4","5","7","7","1","7","7","1") = "6"
    & skf21("4","5","7","7","2","1","1","1") = "6"
    & skf21("4","5","7","7","2","1","2","1") = "6"
    & skf21("4","5","7","7","2","1","3","1") = "6"
    & skf21("4","5","7","7","2","1","4","1") = "6"
    & skf21("4","5","7","7","2","1","5","1") = "6"
    & skf21("4","5","7","7","2","1","6","1") = "6"
    & skf21("4","5","7","7","2","1","7","1") = "6"
    & skf21("4","5","7","7","2","2","1","1") = "6"
    & skf21("4","5","7","7","2","2","2","1") = "6"
    & skf21("4","5","7","7","2","2","3","1") = "6"
    & skf21("4","5","7","7","2","2","4","1") = "6"
    & skf21("4","5","7","7","2","2","5","1") = "6"
    & skf21("4","5","7","7","2","2","6","1") = "6"
    & skf21("4","5","7","7","2","2","7","1") = "6"
    & skf21("4","5","7","7","2","3","1","1") = "6"
    & skf21("4","5","7","7","2","3","2","1") = "6"
    & skf21("4","5","7","7","2","3","3","1") = "6"
    & skf21("4","5","7","7","2","3","4","1") = "6"
    & skf21("4","5","7","7","2","3","5","1") = "6"
    & skf21("4","5","7","7","2","3","6","1") = "6"
    & skf21("4","5","7","7","2","3","7","1") = "6"
    & skf21("4","5","7","7","2","4","1","1") = "6"
    & skf21("4","5","7","7","2","4","2","1") = "6"
    & skf21("4","5","7","7","2","4","3","1") = "6"
    & skf21("4","5","7","7","2","4","4","1") = "6"
    & skf21("4","5","7","7","2","4","5","1") = "6"
    & skf21("4","5","7","7","2","4","6","1") = "6"
    & skf21("4","5","7","7","2","4","7","1") = "6"
    & skf21("4","5","7","7","2","5","1","1") = "6"
    & skf21("4","5","7","7","2","5","2","1") = "6"
    & skf21("4","5","7","7","2","5","3","1") = "6"
    & skf21("4","5","7","7","2","5","4","1") = "6"
    & skf21("4","5","7","7","2","5","5","1") = "6"
    & skf21("4","5","7","7","2","5","6","1") = "6"
    & skf21("4","5","7","7","2","5","7","1") = "6"
    & skf21("4","5","7","7","2","6","1","1") = "6"
    & skf21("4","5","7","7","2","6","2","1") = "6"
    & skf21("4","5","7","7","2","6","3","1") = "6"
    & skf21("4","5","7","7","2","6","4","1") = "6"
    & skf21("4","5","7","7","2","6","5","1") = "6"
    & skf21("4","5","7","7","2","6","6","1") = "6"
    & skf21("4","5","7","7","2","6","7","1") = "6"
    & skf21("4","5","7","7","2","7","1","1") = "6"
    & skf21("4","5","7","7","2","7","2","1") = "6"
    & skf21("4","5","7","7","2","7","3","1") = "6"
    & skf21("4","5","7","7","2","7","4","1") = "6"
    & skf21("4","5","7","7","2","7","5","1") = "6"
    & skf21("4","5","7","7","2","7","6","1") = "6"
    & skf21("4","5","7","7","2","7","7","1") = "6"
    & skf21("4","5","7","7","3","1","1","1") = "6"
    & skf21("4","5","7","7","3","1","2","1") = "6"
    & skf21("4","5","7","7","3","1","3","1") = "6"
    & skf21("4","5","7","7","3","1","4","1") = "6"
    & skf21("4","5","7","7","3","1","5","1") = "6"
    & skf21("4","5","7","7","3","1","6","1") = "6"
    & skf21("4","5","7","7","3","1","7","1") = "6"
    & skf21("4","5","7","7","3","2","1","1") = "6"
    & skf21("4","5","7","7","3","2","2","1") = "6"
    & skf21("4","5","7","7","3","2","3","1") = "6"
    & skf21("4","5","7","7","3","2","4","1") = "6"
    & skf21("4","5","7","7","3","2","5","1") = "6"
    & skf21("4","5","7","7","3","2","6","1") = "6"
    & skf21("4","5","7","7","3","2","7","1") = "6"
    & skf21("4","5","7","7","3","3","1","1") = "6"
    & skf21("4","5","7","7","3","3","2","1") = "6"
    & skf21("4","5","7","7","3","3","3","1") = "6"
    & skf21("4","5","7","7","3","3","4","1") = "6"
    & skf21("4","5","7","7","3","3","5","1") = "6"
    & skf21("4","5","7","7","3","3","6","1") = "6"
    & skf21("4","5","7","7","3","3","7","1") = "6"
    & skf21("4","5","7","7","3","4","1","1") = "6"
    & skf21("4","5","7","7","3","4","2","1") = "6"
    & skf21("4","5","7","7","3","4","3","1") = "6"
    & skf21("4","5","7","7","3","4","4","1") = "6"
    & skf21("4","5","7","7","3","4","5","1") = "6"
    & skf21("4","5","7","7","3","4","6","1") = "6"
    & skf21("4","5","7","7","3","4","7","1") = "6"
    & skf21("4","5","7","7","3","5","1","1") = "6"
    & skf21("4","5","7","7","3","5","2","1") = "6"
    & skf21("4","5","7","7","3","5","3","1") = "6"
    & skf21("4","5","7","7","3","5","4","1") = "6"
    & skf21("4","5","7","7","3","5","5","1") = "6"
    & skf21("4","5","7","7","3","5","6","1") = "6"
    & skf21("4","5","7","7","3","5","7","1") = "6"
    & skf21("4","5","7","7","3","6","1","1") = "6"
    & skf21("4","5","7","7","3","6","2","1") = "6"
    & skf21("4","5","7","7","3","6","3","1") = "6"
    & skf21("4","5","7","7","3","6","4","1") = "6"
    & skf21("4","5","7","7","3","6","5","1") = "6"
    & skf21("4","5","7","7","3","6","6","1") = "6"
    & skf21("4","5","7","7","3","6","7","1") = "6"
    & skf21("4","5","7","7","3","7","1","1") = "6"
    & skf21("4","5","7","7","3","7","2","1") = "6"
    & skf21("4","5","7","7","3","7","3","1") = "6"
    & skf21("4","5","7","7","3","7","4","1") = "6"
    & skf21("4","5","7","7","3","7","5","1") = "6"
    & skf21("4","5","7","7","3","7","6","1") = "6"
    & skf21("4","5","7","7","3","7","7","1") = "6"
    & skf21("4","5","7","7","4","1","1","1") = "6"
    & skf21("4","5","7","7","4","1","2","1") = "6"
    & skf21("4","5","7","7","4","1","3","1") = "6"
    & skf21("4","5","7","7","4","1","4","1") = "6"
    & skf21("4","5","7","7","4","1","5","1") = "6"
    & skf21("4","5","7","7","4","1","6","1") = "6"
    & skf21("4","5","7","7","4","1","7","1") = "6"
    & skf21("4","5","7","7","4","2","1","1") = "6"
    & skf21("4","5","7","7","4","2","2","1") = "6"
    & skf21("4","5","7","7","4","2","3","1") = "6"
    & skf21("4","5","7","7","4","2","4","1") = "6"
    & skf21("4","5","7","7","4","2","5","1") = "6"
    & skf21("4","5","7","7","4","2","6","1") = "6"
    & skf21("4","5","7","7","4","2","7","1") = "6"
    & skf21("4","5","7","7","4","3","1","1") = "6"
    & skf21("4","5","7","7","4","3","2","1") = "6"
    & skf21("4","5","7","7","4","3","3","1") = "6"
    & skf21("4","5","7","7","4","3","4","1") = "6"
    & skf21("4","5","7","7","4","3","5","1") = "6"
    & skf21("4","5","7","7","4","3","6","1") = "6"
    & skf21("4","5","7","7","4","3","7","1") = "6"
    & skf21("4","5","7","7","4","4","1","1") = "6"
    & skf21("4","5","7","7","4","4","2","1") = "6"
    & skf21("4","5","7","7","4","4","3","1") = "6"
    & skf21("4","5","7","7","4","4","4","1") = "6"
    & skf21("4","5","7","7","4","4","5","1") = "6"
    & skf21("4","5","7","7","4","4","6","1") = "6"
    & skf21("4","5","7","7","4","4","7","1") = "6"
    & skf21("4","5","7","7","4","5","1","1") = "6"
    & skf21("4","5","7","7","4","5","2","1") = "6"
    & skf21("4","5","7","7","4","5","3","1") = "6"
    & skf21("4","5","7","7","4","5","4","1") = "6"
    & skf21("4","5","7","7","4","5","5","1") = "6"
    & skf21("4","5","7","7","4","5","6","1") = "6"
    & skf21("4","5","7","7","4","5","7","1") = "6"
    & skf21("4","5","7","7","4","6","1","1") = "6"
    & skf21("4","5","7","7","4","6","2","1") = "6"
    & skf21("4","5","7","7","4","6","3","1") = "6"
    & skf21("4","5","7","7","4","6","4","1") = "6"
    & skf21("4","5","7","7","4","6","5","1") = "6"
    & skf21("4","5","7","7","4","6","6","1") = "6"
    & skf21("4","5","7","7","4","6","7","1") = "6"
    & skf21("4","5","7","7","4","7","1","1") = "6"
    & skf21("4","5","7","7","4","7","2","1") = "6"
    & skf21("4","5","7","7","4","7","3","1") = "6"
    & skf21("4","5","7","7","4","7","4","1") = "6"
    & skf21("4","5","7","7","4","7","5","1") = "6"
    & skf21("4","5","7","7","4","7","6","1") = "6"
    & skf21("4","5","7","7","4","7","7","1") = "6"
    & skf21("4","5","7","7","5","1","1","1") = "6"
    & skf21("4","5","7","7","5","1","2","1") = "6"
    & skf21("4","5","7","7","5","1","3","1") = "6"
    & skf21("4","5","7","7","5","1","4","1") = "6"
    & skf21("4","5","7","7","5","1","5","1") = "6"
    & skf21("4","5","7","7","5","1","6","1") = "6"
    & skf21("4","5","7","7","5","1","7","1") = "6"
    & skf21("4","5","7","7","5","2","1","1") = "6"
    & skf21("4","5","7","7","5","2","2","1") = "6"
    & skf21("4","5","7","7","5","2","3","1") = "6"
    & skf21("4","5","7","7","5","2","4","1") = "6"
    & skf21("4","5","7","7","5","2","5","1") = "6"
    & skf21("4","5","7","7","5","2","6","1") = "6"
    & skf21("4","5","7","7","5","2","7","1") = "6"
    & skf21("4","5","7","7","5","3","1","1") = "6"
    & skf21("4","5","7","7","5","3","2","1") = "6"
    & skf21("4","5","7","7","5","3","3","1") = "6"
    & skf21("4","5","7","7","5","3","4","1") = "6"
    & skf21("4","5","7","7","5","3","5","1") = "6"
    & skf21("4","5","7","7","5","3","6","1") = "6"
    & skf21("4","5","7","7","5","3","7","1") = "6"
    & skf21("4","5","7","7","5","4","1","1") = "6"
    & skf21("4","5","7","7","5","4","2","1") = "6"
    & skf21("4","5","7","7","5","4","3","1") = "6"
    & skf21("4","5","7","7","5","4","4","1") = "6"
    & skf21("4","5","7","7","5","4","5","1") = "6"
    & skf21("4","5","7","7","5","4","6","1") = "6"
    & skf21("4","5","7","7","5","4","7","1") = "6"
    & skf21("4","5","7","7","5","5","1","1") = "6"
    & skf21("4","5","7","7","5","5","2","1") = "6"
    & skf21("4","5","7","7","5","5","3","1") = "6"
    & skf21("4","5","7","7","5","5","4","1") = "6"
    & skf21("4","5","7","7","5","5","5","1") = "6"
    & skf21("4","5","7","7","5","5","6","1") = "6"
    & skf21("4","5","7","7","5","5","7","1") = "6"
    & skf21("4","5","7","7","5","6","1","1") = "6"
    & skf21("4","5","7","7","5","6","2","1") = "6"
    & skf21("4","5","7","7","5","6","3","1") = "6"
    & skf21("4","5","7","7","5","6","4","1") = "6"
    & skf21("4","5","7","7","5","6","5","1") = "6"
    & skf21("4","5","7","7","5","6","6","1") = "6"
    & skf21("4","5","7","7","5","6","7","1") = "6"
    & skf21("4","5","7","7","5","7","1","1") = "6"
    & skf21("4","5","7","7","5","7","2","1") = "6"
    & skf21("4","5","7","7","5","7","3","1") = "6"
    & skf21("4","5","7","7","5","7","4","1") = "6"
    & skf21("4","5","7","7","5","7","5","1") = "6"
    & skf21("4","5","7","7","5","7","6","1") = "6"
    & skf21("4","5","7","7","5","7","7","1") = "6"
    & skf21("4","5","7","7","6","1","1","1") = "6"
    & skf21("4","5","7","7","6","1","2","1") = "6"
    & skf21("4","5","7","7","6","1","3","1") = "6"
    & skf21("4","5","7","7","6","1","4","1") = "6"
    & skf21("4","5","7","7","6","1","5","1") = "6"
    & skf21("4","5","7","7","6","1","6","1") = "6"
    & skf21("4","5","7","7","6","1","7","1") = "6"
    & skf21("4","5","7","7","6","2","1","1") = "6"
    & skf21("4","5","7","7","6","2","2","1") = "6"
    & skf21("4","5","7","7","6","2","3","1") = "6"
    & skf21("4","5","7","7","6","2","4","1") = "6"
    & skf21("4","5","7","7","6","2","5","1") = "6"
    & skf21("4","5","7","7","6","2","6","1") = "6"
    & skf21("4","5","7","7","6","2","7","1") = "6"
    & skf21("4","5","7","7","6","3","1","1") = "6"
    & skf21("4","5","7","7","6","3","2","1") = "6"
    & skf21("4","5","7","7","6","3","3","1") = "6"
    & skf21("4","5","7","7","6","3","4","1") = "6"
    & skf21("4","5","7","7","6","3","5","1") = "6"
    & skf21("4","5","7","7","6","3","6","1") = "6"
    & skf21("4","5","7","7","6","3","7","1") = "6"
    & skf21("4","5","7","7","6","4","1","1") = "6"
    & skf21("4","5","7","7","6","4","2","1") = "6"
    & skf21("4","5","7","7","6","4","3","1") = "6"
    & skf21("4","5","7","7","6","4","4","1") = "6"
    & skf21("4","5","7","7","6","4","5","1") = "6"
    & skf21("4","5","7","7","6","4","6","1") = "6"
    & skf21("4","5","7","7","6","4","7","1") = "6"
    & skf21("4","5","7","7","6","5","1","1") = "6"
    & skf21("4","5","7","7","6","5","2","1") = "6"
    & skf21("4","5","7","7","6","5","3","1") = "6"
    & skf21("4","5","7","7","6","5","4","1") = "6"
    & skf21("4","5","7","7","6","5","5","1") = "6"
    & skf21("4","5","7","7","6","5","6","1") = "6"
    & skf21("4","5","7","7","6","5","7","1") = "6"
    & skf21("4","5","7","7","6","6","1","1") = "6"
    & skf21("4","5","7","7","6","6","2","1") = "6"
    & skf21("4","5","7","7","6","6","3","1") = "6"
    & skf21("4","5","7","7","6","6","4","1") = "6"
    & skf21("4","5","7","7","6","6","5","1") = "6"
    & skf21("4","5","7","7","6","6","6","1") = "6"
    & skf21("4","5","7","7","6","6","7","1") = "6"
    & skf21("4","5","7","7","6","7","1","1") = "6"
    & skf21("4","5","7","7","6","7","2","1") = "6"
    & skf21("4","5","7","7","6","7","3","1") = "6"
    & skf21("4","5","7","7","6","7","4","1") = "6"
    & skf21("4","5","7","7","6","7","5","1") = "6"
    & skf21("4","5","7","7","6","7","6","1") = "6"
    & skf21("4","5","7","7","6","7","7","1") = "6"
    & skf21("4","5","7","7","7","1","1","1") = "6"
    & skf21("4","5","7","7","7","1","2","1") = "6"
    & skf21("4","5","7","7","7","1","3","1") = "6"
    & skf21("4","5","7","7","7","1","4","1") = "6"
    & skf21("4","5","7","7","7","1","5","1") = "6"
    & skf21("4","5","7","7","7","1","6","1") = "6"
    & skf21("4","5","7","7","7","1","7","1") = "6"
    & skf21("4","5","7","7","7","2","1","1") = "6"
    & skf21("4","5","7","7","7","2","2","1") = "6"
    & skf21("4","5","7","7","7","2","3","1") = "6"
    & skf21("4","5","7","7","7","2","4","1") = "6"
    & skf21("4","5","7","7","7","2","5","1") = "6"
    & skf21("4","5","7","7","7","2","6","1") = "6"
    & skf21("4","5","7","7","7","2","7","1") = "6"
    & skf21("4","5","7","7","7","3","1","1") = "6"
    & skf21("4","5","7","7","7","3","2","1") = "6"
    & skf21("4","5","7","7","7","3","3","1") = "6"
    & skf21("4","5","7","7","7","3","4","1") = "6"
    & skf21("4","5","7","7","7","3","5","1") = "6"
    & skf21("4","5","7","7","7","3","6","1") = "6"
    & skf21("4","5","7","7","7","3","7","1") = "6"
    & skf21("4","5","7","7","7","4","1","1") = "6"
    & skf21("4","5","7","7","7","4","2","1") = "6"
    & skf21("4","5","7","7","7","4","3","1") = "6"
    & skf21("4","5","7","7","7","4","4","1") = "6"
    & skf21("4","5","7","7","7","4","5","1") = "6"
    & skf21("4","5","7","7","7","4","6","1") = "6"
    & skf21("4","5","7","7","7","4","7","1") = "6"
    & skf21("4","5","7","7","7","5","1","1") = "6"
    & skf21("4","5","7","7","7","5","2","1") = "6"
    & skf21("4","5","7","7","7","5","3","1") = "6"
    & skf21("4","5","7","7","7","5","4","1") = "6"
    & skf21("4","5","7","7","7","5","5","1") = "6"
    & skf21("4","5","7","7","7","5","6","1") = "6"
    & skf21("4","5","7","7","7","5","7","1") = "6"
    & skf21("4","5","7","7","7","6","1","1") = "6"
    & skf21("4","5","7","7","7","6","2","1") = "6"
    & skf21("4","5","7","7","7","6","3","1") = "6"
    & skf21("4","5","7","7","7","6","4","1") = "6"
    & skf21("4","5","7","7","7","6","5","1") = "6"
    & skf21("4","5","7","7","7","6","6","1") = "6"
    & skf21("4","5","7","7","7","6","7","1") = "6"
    & skf21("4","5","7","7","7","7","1","1") = "6"
    & skf21("4","5","7","7","7","7","2","1") = "6"
    & skf21("4","5","7","7","7","7","3","1") = "6"
    & skf21("4","5","7","7","7","7","4","1") = "6"
    & skf21("4","5","7","7","7","7","5","1") = "6"
    & skf21("4","5","7","7","7","7","6","1") = "6"
    & skf21("4","5","7","7","7","7","7","1") = "6"
    & skf21("4","6","1","1","1","1","1","1") = "5"
    & skf21("4","6","1","1","1","1","2","1") = "5"
    & skf21("4","6","1","1","1","1","3","1") = "5"
    & skf21("4","6","1","1","1","1","4","1") = "5"
    & skf21("4","6","1","1","1","1","5","1") = "5"
    & skf21("4","6","1","1","1","1","6","1") = "5"
    & skf21("4","6","1","1","1","1","7","1") = "6"
    & skf21("4","6","1","1","1","2","1","1") = "5"
    & skf21("4","6","1","1","1","2","2","1") = "5"
    & skf21("4","6","1","1","1","2","3","1") = "5"
    & skf21("4","6","1","1","1","2","4","1") = "5"
    & skf21("4","6","1","1","1","2","5","1") = "5"
    & skf21("4","6","1","1","1","2","6","1") = "5"
    & skf21("4","6","1","1","1","2","7","1") = "6"
    & skf21("4","6","1","1","1","3","1","1") = "5"
    & skf21("4","6","1","1","1","3","2","1") = "5"
    & skf21("4","6","1","1","1","3","3","1") = "5"
    & skf21("4","6","1","1","1","3","4","1") = "5"
    & skf21("4","6","1","1","1","3","5","1") = "5"
    & skf21("4","6","1","1","1","3","6","1") = "5"
    & skf21("4","6","1","1","1","3","7","1") = "6"
    & skf21("4","6","1","1","1","4","1","1") = "5"
    & skf21("4","6","1","1","1","4","2","1") = "5"
    & skf21("4","6","1","1","1","4","3","1") = "5"
    & skf21("4","6","1","1","1","4","4","1") = "5"
    & skf21("4","6","1","1","1","4","5","1") = "5"
    & skf21("4","6","1","1","1","4","6","1") = "5"
    & skf21("4","6","1","1","1","4","7","1") = "6"
    & skf21("4","6","1","1","1","5","1","1") = "5"
    & skf21("4","6","1","1","1","5","2","1") = "5"
    & skf21("4","6","1","1","1","5","3","1") = "5"
    & skf21("4","6","1","1","1","5","4","1") = "5"
    & skf21("4","6","1","1","1","5","5","1") = "5"
    & skf21("4","6","1","1","1","5","6","1") = "5"
    & skf21("4","6","1","1","1","5","7","1") = "6"
    & skf21("4","6","1","1","1","6","1","1") = "5"
    & skf21("4","6","1","1","1","6","2","1") = "5"
    & skf21("4","6","1","1","1","6","3","1") = "5"
    & skf21("4","6","1","1","1","6","4","1") = "5"
    & skf21("4","6","1","1","1","6","5","1") = "5"
    & skf21("4","6","1","1","1","6","6","1") = "5"
    & skf21("4","6","1","1","1","6","7","1") = "6"
    & skf21("4","6","1","1","1","7","1","1") = "6"
    & skf21("4","6","1","1","1","7","2","1") = "6"
    & skf21("4","6","1","1","1","7","3","1") = "6"
    & skf21("4","6","1","1","1","7","4","1") = "6"
    & skf21("4","6","1","1","1","7","5","1") = "6"
    & skf21("4","6","1","1","1","7","6","1") = "6"
    & skf21("4","6","1","1","1","7","7","1") = "6"
    & skf21("4","6","1","1","2","1","1","1") = "5"
    & skf21("4","6","1","1","2","1","2","1") = "5"
    & skf21("4","6","1","1","2","1","3","1") = "5"
    & skf21("4","6","1","1","2","1","4","1") = "5"
    & skf21("4","6","1","1","2","1","5","1") = "5"
    & skf21("4","6","1","1","2","1","6","1") = "5"
    & skf21("4","6","1","1","2","1","7","1") = "6"
    & skf21("4","6","1","1","2","2","1","1") = "5"
    & skf21("4","6","1","1","2","2","2","1") = "5"
    & skf21("4","6","1","1","2","2","3","1") = "5"
    & skf21("4","6","1","1","2","2","4","1") = "5"
    & skf21("4","6","1","1","2","2","5","1") = "5"
    & skf21("4","6","1","1","2","2","6","1") = "5"
    & skf21("4","6","1","1","2","2","7","1") = "6"
    & skf21("4","6","1","1","2","3","1","1") = "5"
    & skf21("4","6","1","1","2","3","2","1") = "5"
    & skf21("4","6","1","1","2","3","3","1") = "5"
    & skf21("4","6","1","1","2","3","4","1") = "5"
    & skf21("4","6","1","1","2","3","5","1") = "5"
    & skf21("4","6","1","1","2","3","6","1") = "5"
    & skf21("4","6","1","1","2","3","7","1") = "6"
    & skf21("4","6","1","1","2","4","1","1") = "5"
    & skf21("4","6","1","1","2","4","2","1") = "5"
    & skf21("4","6","1","1","2","4","3","1") = "5"
    & skf21("4","6","1","1","2","4","4","1") = "5"
    & skf21("4","6","1","1","2","4","5","1") = "5"
    & skf21("4","6","1","1","2","4","6","1") = "5"
    & skf21("4","6","1","1","2","4","7","1") = "6"
    & skf21("4","6","1","1","2","5","1","1") = "5"
    & skf21("4","6","1","1","2","5","2","1") = "5"
    & skf21("4","6","1","1","2","5","3","1") = "5"
    & skf21("4","6","1","1","2","5","4","1") = "5"
    & skf21("4","6","1","1","2","5","5","1") = "5"
    & skf21("4","6","1","1","2","5","6","1") = "5"
    & skf21("4","6","1","1","2","5","7","1") = "6"
    & skf21("4","6","1","1","2","6","1","1") = "5"
    & skf21("4","6","1","1","2","6","2","1") = "5"
    & skf21("4","6","1","1","2","6","3","1") = "5"
    & skf21("4","6","1","1","2","6","4","1") = "5"
    & skf21("4","6","1","1","2","6","5","1") = "5"
    & skf21("4","6","1","1","2","6","6","1") = "5"
    & skf21("4","6","1","1","2","6","7","1") = "6"
    & skf21("4","6","1","1","2","7","1","1") = "6"
    & skf21("4","6","1","1","2","7","2","1") = "6"
    & skf21("4","6","1","1","2","7","3","1") = "6"
    & skf21("4","6","1","1","2","7","4","1") = "6"
    & skf21("4","6","1","1","2","7","5","1") = "6"
    & skf21("4","6","1","1","2","7","6","1") = "6"
    & skf21("4","6","1","1","2","7","7","1") = "6"
    & skf21("4","6","1","1","3","1","1","1") = "5"
    & skf21("4","6","1","1","3","1","2","1") = "5"
    & skf21("4","6","1","1","3","1","3","1") = "5"
    & skf21("4","6","1","1","3","1","4","1") = "5"
    & skf21("4","6","1","1","3","1","5","1") = "5"
    & skf21("4","6","1","1","3","1","6","1") = "5"
    & skf21("4","6","1","1","3","1","7","1") = "6"
    & skf21("4","6","1","1","3","2","1","1") = "5"
    & skf21("4","6","1","1","3","2","2","1") = "5"
    & skf21("4","6","1","1","3","2","3","1") = "5"
    & skf21("4","6","1","1","3","2","4","1") = "5"
    & skf21("4","6","1","1","3","2","5","1") = "5"
    & skf21("4","6","1","1","3","2","6","1") = "5"
    & skf21("4","6","1","1","3","2","7","1") = "6"
    & skf21("4","6","1","1","3","3","1","1") = "5"
    & skf21("4","6","1","1","3","3","2","1") = "5"
    & skf21("4","6","1","1","3","3","3","1") = "5"
    & skf21("4","6","1","1","3","3","4","1") = "5"
    & skf21("4","6","1","1","3","3","5","1") = "5"
    & skf21("4","6","1","1","3","3","6","1") = "5"
    & skf21("4","6","1","1","3","3","7","1") = "6"
    & skf21("4","6","1","1","3","4","1","1") = "5"
    & skf21("4","6","1","1","3","4","2","1") = "5"
    & skf21("4","6","1","1","3","4","3","1") = "5"
    & skf21("4","6","1","1","3","4","4","1") = "5"
    & skf21("4","6","1","1","3","4","5","1") = "5"
    & skf21("4","6","1","1","3","4","6","1") = "5"
    & skf21("4","6","1","1","3","4","7","1") = "6"
    & skf21("4","6","1","1","3","5","1","1") = "5"
    & skf21("4","6","1","1","3","5","2","1") = "5"
    & skf21("4","6","1","1","3","5","3","1") = "5"
    & skf21("4","6","1","1","3","5","4","1") = "5"
    & skf21("4","6","1","1","3","5","5","1") = "5"
    & skf21("4","6","1","1","3","5","6","1") = "5"
    & skf21("4","6","1","1","3","5","7","1") = "6"
    & skf21("4","6","1","1","3","6","1","1") = "5"
    & skf21("4","6","1","1","3","6","2","1") = "5"
    & skf21("4","6","1","1","3","6","3","1") = "5"
    & skf21("4","6","1","1","3","6","4","1") = "5"
    & skf21("4","6","1","1","3","6","5","1") = "5"
    & skf21("4","6","1","1","3","6","6","1") = "5"
    & skf21("4","6","1","1","3","6","7","1") = "6"
    & skf21("4","6","1","1","3","7","1","1") = "6"
    & skf21("4","6","1","1","3","7","2","1") = "6"
    & skf21("4","6","1","1","3","7","3","1") = "6"
    & skf21("4","6","1","1","3","7","4","1") = "6"
    & skf21("4","6","1","1","3","7","5","1") = "6"
    & skf21("4","6","1","1","3","7","6","1") = "6"
    & skf21("4","6","1","1","3","7","7","1") = "6"
    & skf21("4","6","1","1","4","1","1","1") = "5"
    & skf21("4","6","1","1","4","1","2","1") = "5"
    & skf21("4","6","1","1","4","1","3","1") = "5"
    & skf21("4","6","1","1","4","1","4","1") = "5"
    & skf21("4","6","1","1","4","1","5","1") = "5"
    & skf21("4","6","1","1","4","1","6","1") = "5"
    & skf21("4","6","1","1","4","1","7","1") = "6"
    & skf21("4","6","1","1","4","2","1","1") = "5"
    & skf21("4","6","1","1","4","2","2","1") = "5"
    & skf21("4","6","1","1","4","2","3","1") = "5"
    & skf21("4","6","1","1","4","2","4","1") = "5"
    & skf21("4","6","1","1","4","2","5","1") = "5"
    & skf21("4","6","1","1","4","2","6","1") = "5"
    & skf21("4","6","1","1","4","2","7","1") = "6"
    & skf21("4","6","1","1","4","3","1","1") = "5"
    & skf21("4","6","1","1","4","3","2","1") = "5"
    & skf21("4","6","1","1","4","3","3","1") = "5"
    & skf21("4","6","1","1","4","3","4","1") = "5"
    & skf21("4","6","1","1","4","3","5","1") = "5"
    & skf21("4","6","1","1","4","3","6","1") = "5"
    & skf21("4","6","1","1","4","3","7","1") = "6"
    & skf21("4","6","1","1","4","4","1","1") = "5"
    & skf21("4","6","1","1","4","4","2","1") = "5"
    & skf21("4","6","1","1","4","4","3","1") = "5"
    & skf21("4","6","1","1","4","4","4","1") = "5"
    & skf21("4","6","1","1","4","4","5","1") = "5"
    & skf21("4","6","1","1","4","4","6","1") = "5"
    & skf21("4","6","1","1","4","4","7","1") = "6"
    & skf21("4","6","1","1","4","5","1","1") = "5"
    & skf21("4","6","1","1","4","5","2","1") = "5"
    & skf21("4","6","1","1","4","5","3","1") = "5"
    & skf21("4","6","1","1","4","5","4","1") = "5"
    & skf21("4","6","1","1","4","5","5","1") = "5"
    & skf21("4","6","1","1","4","5","6","1") = "5"
    & skf21("4","6","1","1","4","5","7","1") = "6"
    & skf21("4","6","1","1","4","6","1","1") = "5"
    & skf21("4","6","1","1","4","6","2","1") = "5"
    & skf21("4","6","1","1","4","6","3","1") = "5"
    & skf21("4","6","1","1","4","6","4","1") = "5"
    & skf21("4","6","1","1","4","6","5","1") = "5"
    & skf21("4","6","1","1","4","6","6","1") = "5"
    & skf21("4","6","1","1","4","6","7","1") = "6"
    & skf21("4","6","1","1","4","7","1","1") = "6"
    & skf21("4","6","1","1","4","7","2","1") = "6"
    & skf21("4","6","1","1","4","7","3","1") = "6"
    & skf21("4","6","1","1","4","7","4","1") = "6"
    & skf21("4","6","1","1","4","7","5","1") = "6"
    & skf21("4","6","1","1","4","7","6","1") = "6"
    & skf21("4","6","1","1","4","7","7","1") = "6"
    & skf21("4","6","1","1","5","1","1","1") = "5"
    & skf21("4","6","1","1","5","1","2","1") = "5"
    & skf21("4","6","1","1","5","1","3","1") = "5"
    & skf21("4","6","1","1","5","1","4","1") = "5"
    & skf21("4","6","1","1","5","1","5","1") = "5"
    & skf21("4","6","1","1","5","1","6","1") = "5"
    & skf21("4","6","1","1","5","1","7","1") = "6"
    & skf21("4","6","1","1","5","2","1","1") = "5"
    & skf21("4","6","1","1","5","2","2","1") = "5"
    & skf21("4","6","1","1","5","2","3","1") = "5"
    & skf21("4","6","1","1","5","2","4","1") = "5"
    & skf21("4","6","1","1","5","2","5","1") = "5"
    & skf21("4","6","1","1","5","2","6","1") = "5"
    & skf21("4","6","1","1","5","2","7","1") = "6"
    & skf21("4","6","1","1","5","3","1","1") = "5"
    & skf21("4","6","1","1","5","3","2","1") = "5"
    & skf21("4","6","1","1","5","3","3","1") = "5"
    & skf21("4","6","1","1","5","3","4","1") = "5"
    & skf21("4","6","1","1","5","3","5","1") = "5"
    & skf21("4","6","1","1","5","3","6","1") = "5"
    & skf21("4","6","1","1","5","3","7","1") = "6"
    & skf21("4","6","1","1","5","4","1","1") = "5"
    & skf21("4","6","1","1","5","4","2","1") = "5"
    & skf21("4","6","1","1","5","4","3","1") = "5"
    & skf21("4","6","1","1","5","4","4","1") = "5"
    & skf21("4","6","1","1","5","4","5","1") = "5"
    & skf21("4","6","1","1","5","4","6","1") = "5"
    & skf21("4","6","1","1","5","4","7","1") = "6"
    & skf21("4","6","1","1","5","5","1","1") = "5"
    & skf21("4","6","1","1","5","5","2","1") = "5"
    & skf21("4","6","1","1","5","5","3","1") = "5"
    & skf21("4","6","1","1","5","5","4","1") = "5"
    & skf21("4","6","1","1","5","5","5","1") = "5"
    & skf21("4","6","1","1","5","5","6","1") = "5"
    & skf21("4","6","1","1","5","5","7","1") = "6"
    & skf21("4","6","1","1","5","6","1","1") = "5"
    & skf21("4","6","1","1","5","6","2","1") = "5"
    & skf21("4","6","1","1","5","6","3","1") = "5"
    & skf21("4","6","1","1","5","6","4","1") = "5"
    & skf21("4","6","1","1","5","6","5","1") = "5"
    & skf21("4","6","1","1","5","6","6","1") = "5"
    & skf21("4","6","1","1","5","6","7","1") = "6"
    & skf21("4","6","1","1","5","7","1","1") = "6"
    & skf21("4","6","1","1","5","7","2","1") = "6"
    & skf21("4","6","1","1","5","7","3","1") = "6"
    & skf21("4","6","1","1","5","7","4","1") = "6"
    & skf21("4","6","1","1","5","7","5","1") = "6"
    & skf21("4","6","1","1","5","7","6","1") = "6"
    & skf21("4","6","1","1","5","7","7","1") = "6"
    & skf21("4","6","1","1","6","1","1","1") = "5"
    & skf21("4","6","1","1","6","1","2","1") = "5"
    & skf21("4","6","1","1","6","1","3","1") = "5"
    & skf21("4","6","1","1","6","1","4","1") = "5"
    & skf21("4","6","1","1","6","1","5","1") = "5"
    & skf21("4","6","1","1","6","1","6","1") = "5"
    & skf21("4","6","1","1","6","1","7","1") = "6"
    & skf21("4","6","1","1","6","2","1","1") = "5"
    & skf21("4","6","1","1","6","2","2","1") = "5"
    & skf21("4","6","1","1","6","2","3","1") = "5"
    & skf21("4","6","1","1","6","2","4","1") = "5"
    & skf21("4","6","1","1","6","2","5","1") = "5"
    & skf21("4","6","1","1","6","2","6","1") = "5"
    & skf21("4","6","1","1","6","2","7","1") = "6"
    & skf21("4","6","1","1","6","3","1","1") = "5"
    & skf21("4","6","1","1","6","3","2","1") = "5"
    & skf21("4","6","1","1","6","3","3","1") = "5"
    & skf21("4","6","1","1","6","3","4","1") = "5"
    & skf21("4","6","1","1","6","3","5","1") = "5"
    & skf21("4","6","1","1","6","3","6","1") = "5"
    & skf21("4","6","1","1","6","3","7","1") = "6"
    & skf21("4","6","1","1","6","4","1","1") = "5"
    & skf21("4","6","1","1","6","4","2","1") = "5"
    & skf21("4","6","1","1","6","4","3","1") = "5"
    & skf21("4","6","1","1","6","4","4","1") = "5"
    & skf21("4","6","1","1","6","4","5","1") = "5"
    & skf21("4","6","1","1","6","4","6","1") = "5"
    & skf21("4","6","1","1","6","4","7","1") = "6"
    & skf21("4","6","1","1","6","5","1","1") = "5"
    & skf21("4","6","1","1","6","5","2","1") = "5"
    & skf21("4","6","1","1","6","5","3","1") = "5"
    & skf21("4","6","1","1","6","5","4","1") = "5"
    & skf21("4","6","1","1","6","5","5","1") = "5"
    & skf21("4","6","1","1","6","5","6","1") = "5"
    & skf21("4","6","1","1","6","5","7","1") = "6"
    & skf21("4","6","1","1","6","6","1","1") = "5"
    & skf21("4","6","1","1","6","6","2","1") = "5"
    & skf21("4","6","1","1","6","6","3","1") = "5"
    & skf21("4","6","1","1","6","6","4","1") = "5"
    & skf21("4","6","1","1","6","6","5","1") = "5"
    & skf21("4","6","1","1","6","6","6","1") = "5"
    & skf21("4","6","1","1","6","6","7","1") = "6"
    & skf21("4","6","1","1","6","7","1","1") = "6"
    & skf21("4","6","1","1","6","7","2","1") = "6"
    & skf21("4","6","1","1","6","7","3","1") = "6"
    & skf21("4","6","1","1","6","7","4","1") = "6"
    & skf21("4","6","1","1","6","7","5","1") = "6"
    & skf21("4","6","1","1","6","7","6","1") = "6"
    & skf21("4","6","1","1","6","7","7","1") = "6"
    & skf21("4","6","1","1","7","1","1","1") = "6"
    & skf21("4","6","1","1","7","1","2","1") = "6"
    & skf21("4","6","1","1","7","1","3","1") = "6"
    & skf21("4","6","1","1","7","1","4","1") = "6"
    & skf21("4","6","1","1","7","1","5","1") = "6"
    & skf21("4","6","1","1","7","1","6","1") = "6"
    & skf21("4","6","1","1","7","1","7","1") = "6"
    & skf21("4","6","1","1","7","2","1","1") = "6"
    & skf21("4","6","1","1","7","2","2","1") = "6"
    & skf21("4","6","1","1","7","2","3","1") = "6"
    & skf21("4","6","1","1","7","2","4","1") = "6"
    & skf21("4","6","1","1","7","2","5","1") = "6"
    & skf21("4","6","1","1","7","2","6","1") = "6"
    & skf21("4","6","1","1","7","2","7","1") = "6"
    & skf21("4","6","1","1","7","3","1","1") = "6"
    & skf21("4","6","1","1","7","3","2","1") = "6"
    & skf21("4","6","1","1","7","3","3","1") = "6"
    & skf21("4","6","1","1","7","3","4","1") = "6"
    & skf21("4","6","1","1","7","3","5","1") = "6"
    & skf21("4","6","1","1","7","3","6","1") = "6"
    & skf21("4","6","1","1","7","3","7","1") = "6"
    & skf21("4","6","1","1","7","4","1","1") = "6"
    & skf21("4","6","1","1","7","4","2","1") = "6"
    & skf21("4","6","1","1","7","4","3","1") = "6"
    & skf21("4","6","1","1","7","4","4","1") = "6"
    & skf21("4","6","1","1","7","4","5","1") = "6"
    & skf21("4","6","1","1","7","4","6","1") = "6"
    & skf21("4","6","1","1","7","4","7","1") = "6"
    & skf21("4","6","1","1","7","5","1","1") = "6"
    & skf21("4","6","1","1","7","5","2","1") = "6"
    & skf21("4","6","1","1","7","5","3","1") = "6"
    & skf21("4","6","1","1","7","5","4","1") = "6"
    & skf21("4","6","1","1","7","5","5","1") = "6"
    & skf21("4","6","1","1","7","5","6","1") = "6"
    & skf21("4","6","1","1","7","5","7","1") = "6"
    & skf21("4","6","1","1","7","6","1","1") = "6"
    & skf21("4","6","1","1","7","6","2","1") = "6"
    & skf21("4","6","1","1","7","6","3","1") = "6"
    & skf21("4","6","1","1","7","6","4","1") = "6"
    & skf21("4","6","1","1","7","6","5","1") = "6"
    & skf21("4","6","1","1","7","6","6","1") = "6"
    & skf21("4","6","1","1","7","6","7","1") = "6"
    & skf21("4","6","1","1","7","7","1","1") = "6"
    & skf21("4","6","1","1","7","7","2","1") = "6"
    & skf21("4","6","1","1","7","7","3","1") = "6"
    & skf21("4","6","1","1","7","7","4","1") = "6"
    & skf21("4","6","1","1","7","7","5","1") = "6"
    & skf21("4","6","1","1","7","7","6","1") = "6"
    & skf21("4","6","1","1","7","7","7","1") = "6"
    & skf21("4","6","1","2","1","1","1","1") = "5"
    & skf21("4","6","1","2","1","1","2","1") = "5"
    & skf21("4","6","1","2","1","1","3","1") = "5"
    & skf21("4","6","1","2","1","1","4","1") = "5"
    & skf21("4","6","1","2","1","1","5","1") = "5"
    & skf21("4","6","1","2","1","1","6","1") = "5"
    & skf21("4","6","1","2","1","1","7","1") = "6"
    & skf21("4","6","1","2","1","2","1","1") = "5"
    & skf21("4","6","1","2","1","2","2","1") = "5"
    & skf21("4","6","1","2","1","2","3","1") = "5"
    & skf21("4","6","1","2","1","2","4","1") = "5"
    & skf21("4","6","1","2","1","2","5","1") = "5"
    & skf21("4","6","1","2","1","2","6","1") = "5"
    & skf21("4","6","1","2","1","2","7","1") = "6"
    & skf21("4","6","1","2","1","3","1","1") = "5"
    & skf21("4","6","1","2","1","3","2","1") = "5"
    & skf21("4","6","1","2","1","3","3","1") = "5"
    & skf21("4","6","1","2","1","3","4","1") = "5"
    & skf21("4","6","1","2","1","3","5","1") = "5"
    & skf21("4","6","1","2","1","3","6","1") = "5"
    & skf21("4","6","1","2","1","3","7","1") = "6"
    & skf21("4","6","1","2","1","4","1","1") = "5"
    & skf21("4","6","1","2","1","4","2","1") = "5"
    & skf21("4","6","1","2","1","4","3","1") = "5"
    & skf21("4","6","1","2","1","4","4","1") = "5"
    & skf21("4","6","1","2","1","4","5","1") = "5"
    & skf21("4","6","1","2","1","4","6","1") = "5"
    & skf21("4","6","1","2","1","4","7","1") = "6"
    & skf21("4","6","1","2","1","5","1","1") = "5"
    & skf21("4","6","1","2","1","5","2","1") = "5"
    & skf21("4","6","1","2","1","5","3","1") = "5"
    & skf21("4","6","1","2","1","5","4","1") = "5"
    & skf21("4","6","1","2","1","5","5","1") = "5"
    & skf21("4","6","1","2","1","5","6","1") = "5"
    & skf21("4","6","1","2","1","5","7","1") = "6"
    & skf21("4","6","1","2","1","6","1","1") = "5"
    & skf21("4","6","1","2","1","6","2","1") = "5"
    & skf21("4","6","1","2","1","6","3","1") = "5"
    & skf21("4","6","1","2","1","6","4","1") = "5"
    & skf21("4","6","1","2","1","6","5","1") = "5"
    & skf21("4","6","1","2","1","6","6","1") = "5"
    & skf21("4","6","1","2","1","6","7","1") = "6"
    & skf21("4","6","1","2","1","7","1","1") = "6"
    & skf21("4","6","1","2","1","7","2","1") = "6"
    & skf21("4","6","1","2","1","7","3","1") = "6"
    & skf21("4","6","1","2","1","7","4","1") = "6"
    & skf21("4","6","1","2","1","7","5","1") = "6"
    & skf21("4","6","1","2","1","7","6","1") = "6"
    & skf21("4","6","1","2","1","7","7","1") = "6"
    & skf21("4","6","1","2","2","1","1","1") = "5"
    & skf21("4","6","1","2","2","1","2","1") = "5"
    & skf21("4","6","1","2","2","1","3","1") = "5"
    & skf21("4","6","1","2","2","1","4","1") = "5"
    & skf21("4","6","1","2","2","1","5","1") = "5"
    & skf21("4","6","1","2","2","1","6","1") = "5"
    & skf21("4","6","1","2","2","1","7","1") = "6"
    & skf21("4","6","1","2","2","2","1","1") = "5"
    & skf21("4","6","1","2","2","2","2","1") = "5"
    & skf21("4","6","1","2","2","2","3","1") = "5"
    & skf21("4","6","1","2","2","2","4","1") = "5"
    & skf21("4","6","1","2","2","2","5","1") = "5"
    & skf21("4","6","1","2","2","2","6","1") = "5"
    & skf21("4","6","1","2","2","2","7","1") = "6"
    & skf21("4","6","1","2","2","3","1","1") = "5"
    & skf21("4","6","1","2","2","3","2","1") = "5"
    & skf21("4","6","1","2","2","3","3","1") = "5"
    & skf21("4","6","1","2","2","3","4","1") = "5"
    & skf21("4","6","1","2","2","3","5","1") = "5"
    & skf21("4","6","1","2","2","3","6","1") = "5"
    & skf21("4","6","1","2","2","3","7","1") = "6"
    & skf21("4","6","1","2","2","4","1","1") = "5"
    & skf21("4","6","1","2","2","4","2","1") = "5"
    & skf21("4","6","1","2","2","4","3","1") = "5"
    & skf21("4","6","1","2","2","4","4","1") = "5"
    & skf21("4","6","1","2","2","4","5","1") = "5"
    & skf21("4","6","1","2","2","4","6","1") = "5"
    & skf21("4","6","1","2","2","4","7","1") = "6"
    & skf21("4","6","1","2","2","5","1","1") = "5"
    & skf21("4","6","1","2","2","5","2","1") = "5"
    & skf21("4","6","1","2","2","5","3","1") = "5"
    & skf21("4","6","1","2","2","5","4","1") = "5"
    & skf21("4","6","1","2","2","5","5","1") = "5"
    & skf21("4","6","1","2","2","5","6","1") = "5"
    & skf21("4","6","1","2","2","5","7","1") = "6"
    & skf21("4","6","1","2","2","6","1","1") = "5"
    & skf21("4","6","1","2","2","6","2","1") = "5"
    & skf21("4","6","1","2","2","6","3","1") = "5"
    & skf21("4","6","1","2","2","6","4","1") = "5"
    & skf21("4","6","1","2","2","6","5","1") = "5"
    & skf21("4","6","1","2","2","6","6","1") = "5"
    & skf21("4","6","1","2","2","6","7","1") = "6"
    & skf21("4","6","1","2","2","7","1","1") = "6"
    & skf21("4","6","1","2","2","7","2","1") = "6"
    & skf21("4","6","1","2","2","7","3","1") = "6"
    & skf21("4","6","1","2","2","7","4","1") = "6"
    & skf21("4","6","1","2","2","7","5","1") = "6"
    & skf21("4","6","1","2","2","7","6","1") = "6"
    & skf21("4","6","1","2","2","7","7","1") = "6"
    & skf21("4","6","1","2","3","1","1","1") = "5"
    & skf21("4","6","1","2","3","1","2","1") = "5"
    & skf21("4","6","1","2","3","1","3","1") = "5"
    & skf21("4","6","1","2","3","1","4","1") = "5"
    & skf21("4","6","1","2","3","1","5","1") = "5"
    & skf21("4","6","1","2","3","1","6","1") = "5"
    & skf21("4","6","1","2","3","1","7","1") = "6"
    & skf21("4","6","1","2","3","2","1","1") = "5"
    & skf21("4","6","1","2","3","2","2","1") = "5"
    & skf21("4","6","1","2","3","2","3","1") = "5"
    & skf21("4","6","1","2","3","2","4","1") = "5"
    & skf21("4","6","1","2","3","2","5","1") = "5"
    & skf21("4","6","1","2","3","2","6","1") = "5"
    & skf21("4","6","1","2","3","2","7","1") = "6"
    & skf21("4","6","1","2","3","3","1","1") = "5"
    & skf21("4","6","1","2","3","3","2","1") = "5"
    & skf21("4","6","1","2","3","3","3","1") = "5"
    & skf21("4","6","1","2","3","3","4","1") = "5"
    & skf21("4","6","1","2","3","3","5","1") = "5"
    & skf21("4","6","1","2","3","3","6","1") = "5"
    & skf21("4","6","1","2","3","3","7","1") = "6"
    & skf21("4","6","1","2","3","4","1","1") = "5"
    & skf21("4","6","1","2","3","4","2","1") = "5"
    & skf21("4","6","1","2","3","4","3","1") = "5"
    & skf21("4","6","1","2","3","4","4","1") = "5"
    & skf21("4","6","1","2","3","4","5","1") = "5"
    & skf21("4","6","1","2","3","4","6","1") = "5"
    & skf21("4","6","1","2","3","4","7","1") = "6"
    & skf21("4","6","1","2","3","5","1","1") = "5"
    & skf21("4","6","1","2","3","5","2","1") = "5"
    & skf21("4","6","1","2","3","5","3","1") = "5"
    & skf21("4","6","1","2","3","5","4","1") = "5"
    & skf21("4","6","1","2","3","5","5","1") = "5"
    & skf21("4","6","1","2","3","5","6","1") = "5"
    & skf21("4","6","1","2","3","5","7","1") = "6"
    & skf21("4","6","1","2","3","6","1","1") = "5"
    & skf21("4","6","1","2","3","6","2","1") = "5"
    & skf21("4","6","1","2","3","6","3","1") = "5"
    & skf21("4","6","1","2","3","6","4","1") = "5"
    & skf21("4","6","1","2","3","6","5","1") = "5"
    & skf21("4","6","1","2","3","6","6","1") = "5"
    & skf21("4","6","1","2","3","6","7","1") = "6"
    & skf21("4","6","1","2","3","7","1","1") = "6"
    & skf21("4","6","1","2","3","7","2","1") = "6"
    & skf21("4","6","1","2","3","7","3","1") = "6"
    & skf21("4","6","1","2","3","7","4","1") = "6"
    & skf21("4","6","1","2","3","7","5","1") = "6"
    & skf21("4","6","1","2","3","7","6","1") = "6"
    & skf21("4","6","1","2","3","7","7","1") = "6"
    & skf21("4","6","1","2","4","1","1","1") = "5"
    & skf21("4","6","1","2","4","1","2","1") = "5"
    & skf21("4","6","1","2","4","1","3","1") = "5"
    & skf21("4","6","1","2","4","1","4","1") = "5"
    & skf21("4","6","1","2","4","1","5","1") = "5"
    & skf21("4","6","1","2","4","1","6","1") = "5"
    & skf21("4","6","1","2","4","1","7","1") = "6"
    & skf21("4","6","1","2","4","2","1","1") = "5"
    & skf21("4","6","1","2","4","2","2","1") = "5"
    & skf21("4","6","1","2","4","2","3","1") = "5"
    & skf21("4","6","1","2","4","2","4","1") = "5"
    & skf21("4","6","1","2","4","2","5","1") = "5"
    & skf21("4","6","1","2","4","2","6","1") = "5"
    & skf21("4","6","1","2","4","2","7","1") = "6"
    & skf21("4","6","1","2","4","3","1","1") = "5"
    & skf21("4","6","1","2","4","3","2","1") = "5"
    & skf21("4","6","1","2","4","3","3","1") = "5"
    & skf21("4","6","1","2","4","3","4","1") = "5"
    & skf21("4","6","1","2","4","3","5","1") = "5"
    & skf21("4","6","1","2","4","3","6","1") = "5"
    & skf21("4","6","1","2","4","3","7","1") = "6"
    & skf21("4","6","1","2","4","4","1","1") = "5"
    & skf21("4","6","1","2","4","4","2","1") = "5"
    & skf21("4","6","1","2","4","4","3","1") = "5"
    & skf21("4","6","1","2","4","4","4","1") = "5"
    & skf21("4","6","1","2","4","4","5","1") = "5"
    & skf21("4","6","1","2","4","4","6","1") = "5"
    & skf21("4","6","1","2","4","4","7","1") = "6"
    & skf21("4","6","1","2","4","5","1","1") = "5"
    & skf21("4","6","1","2","4","5","2","1") = "5"
    & skf21("4","6","1","2","4","5","3","1") = "5"
    & skf21("4","6","1","2","4","5","4","1") = "5"
    & skf21("4","6","1","2","4","5","5","1") = "5"
    & skf21("4","6","1","2","4","5","6","1") = "5"
    & skf21("4","6","1","2","4","5","7","1") = "6"
    & skf21("4","6","1","2","4","6","1","1") = "5"
    & skf21("4","6","1","2","4","6","2","1") = "5"
    & skf21("4","6","1","2","4","6","3","1") = "5"
    & skf21("4","6","1","2","4","6","4","1") = "5"
    & skf21("4","6","1","2","4","6","5","1") = "5"
    & skf21("4","6","1","2","4","6","6","1") = "5"
    & skf21("4","6","1","2","4","6","7","1") = "6"
    & skf21("4","6","1","2","4","7","1","1") = "6"
    & skf21("4","6","1","2","4","7","2","1") = "6"
    & skf21("4","6","1","2","4","7","3","1") = "6"
    & skf21("4","6","1","2","4","7","4","1") = "6"
    & skf21("4","6","1","2","4","7","5","1") = "6"
    & skf21("4","6","1","2","4","7","6","1") = "6"
    & skf21("4","6","1","2","4","7","7","1") = "6"
    & skf21("4","6","1","2","5","1","1","1") = "5"
    & skf21("4","6","1","2","5","1","2","1") = "5"
    & skf21("4","6","1","2","5","1","3","1") = "5"
    & skf21("4","6","1","2","5","1","4","1") = "5"
    & skf21("4","6","1","2","5","1","5","1") = "5"
    & skf21("4","6","1","2","5","1","6","1") = "5"
    & skf21("4","6","1","2","5","1","7","1") = "6"
    & skf21("4","6","1","2","5","2","1","1") = "5"
    & skf21("4","6","1","2","5","2","2","1") = "5"
    & skf21("4","6","1","2","5","2","3","1") = "5"
    & skf21("4","6","1","2","5","2","4","1") = "5"
    & skf21("4","6","1","2","5","2","5","1") = "5"
    & skf21("4","6","1","2","5","2","6","1") = "5"
    & skf21("4","6","1","2","5","2","7","1") = "6"
    & skf21("4","6","1","2","5","3","1","1") = "5"
    & skf21("4","6","1","2","5","3","2","1") = "5"
    & skf21("4","6","1","2","5","3","3","1") = "5"
    & skf21("4","6","1","2","5","3","4","1") = "5"
    & skf21("4","6","1","2","5","3","5","1") = "5"
    & skf21("4","6","1","2","5","3","6","1") = "5"
    & skf21("4","6","1","2","5","3","7","1") = "6"
    & skf21("4","6","1","2","5","4","1","1") = "5"
    & skf21("4","6","1","2","5","4","2","1") = "5"
    & skf21("4","6","1","2","5","4","3","1") = "5"
    & skf21("4","6","1","2","5","4","4","1") = "5"
    & skf21("4","6","1","2","5","4","5","1") = "5"
    & skf21("4","6","1","2","5","4","6","1") = "5"
    & skf21("4","6","1","2","5","4","7","1") = "6"
    & skf21("4","6","1","2","5","5","1","1") = "5"
    & skf21("4","6","1","2","5","5","2","1") = "5"
    & skf21("4","6","1","2","5","5","3","1") = "5"
    & skf21("4","6","1","2","5","5","4","1") = "5"
    & skf21("4","6","1","2","5","5","5","1") = "5"
    & skf21("4","6","1","2","5","5","6","1") = "5"
    & skf21("4","6","1","2","5","5","7","1") = "6"
    & skf21("4","6","1","2","5","6","1","1") = "5"
    & skf21("4","6","1","2","5","6","2","1") = "5"
    & skf21("4","6","1","2","5","6","3","1") = "5"
    & skf21("4","6","1","2","5","6","4","1") = "5"
    & skf21("4","6","1","2","5","6","5","1") = "5"
    & skf21("4","6","1","2","5","6","6","1") = "5"
    & skf21("4","6","1","2","5","6","7","1") = "6"
    & skf21("4","6","1","2","5","7","1","1") = "6"
    & skf21("4","6","1","2","5","7","2","1") = "6"
    & skf21("4","6","1","2","5","7","3","1") = "6"
    & skf21("4","6","1","2","5","7","4","1") = "6"
    & skf21("4","6","1","2","5","7","5","1") = "6"
    & skf21("4","6","1","2","5","7","6","1") = "6"
    & skf21("4","6","1","2","5","7","7","1") = "6"
    & skf21("4","6","1","2","6","1","1","1") = "5"
    & skf21("4","6","1","2","6","1","2","1") = "5"
    & skf21("4","6","1","2","6","1","3","1") = "5"
    & skf21("4","6","1","2","6","1","4","1") = "5"
    & skf21("4","6","1","2","6","1","5","1") = "5"
    & skf21("4","6","1","2","6","1","6","1") = "5"
    & skf21("4","6","1","2","6","1","7","1") = "6"
    & skf21("4","6","1","2","6","2","1","1") = "5"
    & skf21("4","6","1","2","6","2","2","1") = "5"
    & skf21("4","6","1","2","6","2","3","1") = "5"
    & skf21("4","6","1","2","6","2","4","1") = "5"
    & skf21("4","6","1","2","6","2","5","1") = "5"
    & skf21("4","6","1","2","6","2","6","1") = "5"
    & skf21("4","6","1","2","6","2","7","1") = "6"
    & skf21("4","6","1","2","6","3","1","1") = "5"
    & skf21("4","6","1","2","6","3","2","1") = "5"
    & skf21("4","6","1","2","6","3","3","1") = "5"
    & skf21("4","6","1","2","6","3","4","1") = "5"
    & skf21("4","6","1","2","6","3","5","1") = "5"
    & skf21("4","6","1","2","6","3","6","1") = "5"
    & skf21("4","6","1","2","6","3","7","1") = "6"
    & skf21("4","6","1","2","6","4","1","1") = "5"
    & skf21("4","6","1","2","6","4","2","1") = "5"
    & skf21("4","6","1","2","6","4","3","1") = "5"
    & skf21("4","6","1","2","6","4","4","1") = "5"
    & skf21("4","6","1","2","6","4","5","1") = "5"
    & skf21("4","6","1","2","6","4","6","1") = "5"
    & skf21("4","6","1","2","6","4","7","1") = "6"
    & skf21("4","6","1","2","6","5","1","1") = "5"
    & skf21("4","6","1","2","6","5","2","1") = "5"
    & skf21("4","6","1","2","6","5","3","1") = "5"
    & skf21("4","6","1","2","6","5","4","1") = "5"
    & skf21("4","6","1","2","6","5","5","1") = "5"
    & skf21("4","6","1","2","6","5","6","1") = "5"
    & skf21("4","6","1","2","6","5","7","1") = "6"
    & skf21("4","6","1","2","6","6","1","1") = "5"
    & skf21("4","6","1","2","6","6","2","1") = "5"
    & skf21("4","6","1","2","6","6","3","1") = "5"
    & skf21("4","6","1","2","6","6","4","1") = "5"
    & skf21("4","6","1","2","6","6","5","1") = "5"
    & skf21("4","6","1","2","6","6","6","1") = "5"
    & skf21("4","6","1","2","6","6","7","1") = "6"
    & skf21("4","6","1","2","6","7","1","1") = "6"
    & skf21("4","6","1","2","6","7","2","1") = "6"
    & skf21("4","6","1","2","6","7","3","1") = "6"
    & skf21("4","6","1","2","6","7","4","1") = "6"
    & skf21("4","6","1","2","6","7","5","1") = "6"
    & skf21("4","6","1","2","6","7","6","1") = "6"
    & skf21("4","6","1","2","6","7","7","1") = "6"
    & skf21("4","6","1","2","7","1","1","1") = "6"
    & skf21("4","6","1","2","7","1","2","1") = "6"
    & skf21("4","6","1","2","7","1","3","1") = "6"
    & skf21("4","6","1","2","7","1","4","1") = "6"
    & skf21("4","6","1","2","7","1","5","1") = "6"
    & skf21("4","6","1","2","7","1","6","1") = "6"
    & skf21("4","6","1","2","7","1","7","1") = "6"
    & skf21("4","6","1","2","7","2","1","1") = "6"
    & skf21("4","6","1","2","7","2","2","1") = "6"
    & skf21("4","6","1","2","7","2","3","1") = "6"
    & skf21("4","6","1","2","7","2","4","1") = "6"
    & skf21("4","6","1","2","7","2","5","1") = "6"
    & skf21("4","6","1","2","7","2","6","1") = "6"
    & skf21("4","6","1","2","7","2","7","1") = "6"
    & skf21("4","6","1","2","7","3","1","1") = "6"
    & skf21("4","6","1","2","7","3","2","1") = "6"
    & skf21("4","6","1","2","7","3","3","1") = "6"
    & skf21("4","6","1","2","7","3","4","1") = "6"
    & skf21("4","6","1","2","7","3","5","1") = "6"
    & skf21("4","6","1","2","7","3","6","1") = "6"
    & skf21("4","6","1","2","7","3","7","1") = "6"
    & skf21("4","6","1","2","7","4","1","1") = "6"
    & skf21("4","6","1","2","7","4","2","1") = "6"
    & skf21("4","6","1","2","7","4","3","1") = "6"
    & skf21("4","6","1","2","7","4","4","1") = "6"
    & skf21("4","6","1","2","7","4","5","1") = "6"
    & skf21("4","6","1","2","7","4","6","1") = "6"
    & skf21("4","6","1","2","7","4","7","1") = "6"
    & skf21("4","6","1","2","7","5","1","1") = "6"
    & skf21("4","6","1","2","7","5","2","1") = "6"
    & skf21("4","6","1","2","7","5","3","1") = "6"
    & skf21("4","6","1","2","7","5","4","1") = "6"
    & skf21("4","6","1","2","7","5","5","1") = "6"
    & skf21("4","6","1","2","7","5","6","1") = "6"
    & skf21("4","6","1","2","7","5","7","1") = "6"
    & skf21("4","6","1","2","7","6","1","1") = "6"
    & skf21("4","6","1","2","7","6","2","1") = "6"
    & skf21("4","6","1","2","7","6","3","1") = "6"
    & skf21("4","6","1","2","7","6","4","1") = "6"
    & skf21("4","6","1","2","7","6","5","1") = "6"
    & skf21("4","6","1","2","7","6","6","1") = "6"
    & skf21("4","6","1","2","7","6","7","1") = "6"
    & skf21("4","6","1","2","7","7","1","1") = "6"
    & skf21("4","6","1","2","7","7","2","1") = "6"
    & skf21("4","6","1","2","7","7","3","1") = "6"
    & skf21("4","6","1","2","7","7","4","1") = "6"
    & skf21("4","6","1","2","7","7","5","1") = "6"
    & skf21("4","6","1","2","7","7","6","1") = "6"
    & skf21("4","6","1","2","7","7","7","1") = "6"
    & skf21("4","6","1","3","1","1","1","1") = "5"
    & skf21("4","6","1","3","1","1","2","1") = "5"
    & skf21("4","6","1","3","1","1","3","1") = "5"
    & skf21("4","6","1","3","1","1","4","1") = "5"
    & skf21("4","6","1","3","1","1","5","1") = "5"
    & skf21("4","6","1","3","1","1","6","1") = "5"
    & skf21("4","6","1","3","1","1","7","1") = "6"
    & skf21("4","6","1","3","1","2","1","1") = "5"
    & skf21("4","6","1","3","1","2","2","1") = "5"
    & skf21("4","6","1","3","1","2","3","1") = "5"
    & skf21("4","6","1","3","1","2","4","1") = "5"
    & skf21("4","6","1","3","1","2","5","1") = "5"
    & skf21("4","6","1","3","1","2","6","1") = "5"
    & skf21("4","6","1","3","1","2","7","1") = "6"
    & skf21("4","6","1","3","1","3","1","1") = "5"
    & skf21("4","6","1","3","1","3","2","1") = "5"
    & skf21("4","6","1","3","1","3","3","1") = "5"
    & skf21("4","6","1","3","1","3","4","1") = "5"
    & skf21("4","6","1","3","1","3","5","1") = "5"
    & skf21("4","6","1","3","1","3","6","1") = "5"
    & skf21("4","6","1","3","1","3","7","1") = "6"
    & skf21("4","6","1","3","1","4","1","1") = "5"
    & skf21("4","6","1","3","1","4","2","1") = "5"
    & skf21("4","6","1","3","1","4","3","1") = "5"
    & skf21("4","6","1","3","1","4","4","1") = "5"
    & skf21("4","6","1","3","1","4","5","1") = "5"
    & skf21("4","6","1","3","1","4","6","1") = "5"
    & skf21("4","6","1","3","1","4","7","1") = "6"
    & skf21("4","6","1","3","1","5","1","1") = "5"
    & skf21("4","6","1","3","1","5","2","1") = "5"
    & skf21("4","6","1","3","1","5","3","1") = "5"
    & skf21("4","6","1","3","1","5","4","1") = "5"
    & skf21("4","6","1","3","1","5","5","1") = "5"
    & skf21("4","6","1","3","1","5","6","1") = "5"
    & skf21("4","6","1","3","1","5","7","1") = "6"
    & skf21("4","6","1","3","1","6","1","1") = "5"
    & skf21("4","6","1","3","1","6","2","1") = "5"
    & skf21("4","6","1","3","1","6","3","1") = "5"
    & skf21("4","6","1","3","1","6","4","1") = "5"
    & skf21("4","6","1","3","1","6","5","1") = "5"
    & skf21("4","6","1","3","1","6","6","1") = "5"
    & skf21("4","6","1","3","1","6","7","1") = "6"
    & skf21("4","6","1","3","1","7","1","1") = "6"
    & skf21("4","6","1","3","1","7","2","1") = "6"
    & skf21("4","6","1","3","1","7","3","1") = "6"
    & skf21("4","6","1","3","1","7","4","1") = "6"
    & skf21("4","6","1","3","1","7","5","1") = "6"
    & skf21("4","6","1","3","1","7","6","1") = "6"
    & skf21("4","6","1","3","1","7","7","1") = "6"
    & skf21("4","6","1","3","2","1","1","1") = "5"
    & skf21("4","6","1","3","2","1","2","1") = "5"
    & skf21("4","6","1","3","2","1","3","1") = "5"
    & skf21("4","6","1","3","2","1","4","1") = "5"
    & skf21("4","6","1","3","2","1","5","1") = "5"
    & skf21("4","6","1","3","2","1","6","1") = "5"
    & skf21("4","6","1","3","2","1","7","1") = "6"
    & skf21("4","6","1","3","2","2","1","1") = "5"
    & skf21("4","6","1","3","2","2","2","1") = "5"
    & skf21("4","6","1","3","2","2","3","1") = "5"
    & skf21("4","6","1","3","2","2","4","1") = "5"
    & skf21("4","6","1","3","2","2","5","1") = "5"
    & skf21("4","6","1","3","2","2","6","1") = "5"
    & skf21("4","6","1","3","2","2","7","1") = "6"
    & skf21("4","6","1","3","2","3","1","1") = "5"
    & skf21("4","6","1","3","2","3","2","1") = "5"
    & skf21("4","6","1","3","2","3","3","1") = "5"
    & skf21("4","6","1","3","2","3","4","1") = "5"
    & skf21("4","6","1","3","2","3","5","1") = "5"
    & skf21("4","6","1","3","2","3","6","1") = "5"
    & skf21("4","6","1","3","2","3","7","1") = "6"
    & skf21("4","6","1","3","2","4","1","1") = "5"
    & skf21("4","6","1","3","2","4","2","1") = "5"
    & skf21("4","6","1","3","2","4","3","1") = "5"
    & skf21("4","6","1","3","2","4","4","1") = "5"
    & skf21("4","6","1","3","2","4","5","1") = "5"
    & skf21("4","6","1","3","2","4","6","1") = "5"
    & skf21("4","6","1","3","2","4","7","1") = "6"
    & skf21("4","6","1","3","2","5","1","1") = "5"
    & skf21("4","6","1","3","2","5","2","1") = "5"
    & skf21("4","6","1","3","2","5","3","1") = "5"
    & skf21("4","6","1","3","2","5","4","1") = "5"
    & skf21("4","6","1","3","2","5","5","1") = "5"
    & skf21("4","6","1","3","2","5","6","1") = "5"
    & skf21("4","6","1","3","2","5","7","1") = "6"
    & skf21("4","6","1","3","2","6","1","1") = "5"
    & skf21("4","6","1","3","2","6","2","1") = "5"
    & skf21("4","6","1","3","2","6","3","1") = "5"
    & skf21("4","6","1","3","2","6","4","1") = "5"
    & skf21("4","6","1","3","2","6","5","1") = "5"
    & skf21("4","6","1","3","2","6","6","1") = "5"
    & skf21("4","6","1","3","2","6","7","1") = "6"
    & skf21("4","6","1","3","2","7","1","1") = "6"
    & skf21("4","6","1","3","2","7","2","1") = "6"
    & skf21("4","6","1","3","2","7","3","1") = "6"
    & skf21("4","6","1","3","2","7","4","1") = "6"
    & skf21("4","6","1","3","2","7","5","1") = "6"
    & skf21("4","6","1","3","2","7","6","1") = "6"
    & skf21("4","6","1","3","2","7","7","1") = "6"
    & skf21("4","6","1","3","3","1","1","1") = "5"
    & skf21("4","6","1","3","3","1","2","1") = "5"
    & skf21("4","6","1","3","3","1","3","1") = "5"
    & skf21("4","6","1","3","3","1","4","1") = "5"
    & skf21("4","6","1","3","3","1","5","1") = "5"
    & skf21("4","6","1","3","3","1","6","1") = "5"
    & skf21("4","6","1","3","3","1","7","1") = "6"
    & skf21("4","6","1","3","3","2","1","1") = "5"
    & skf21("4","6","1","3","3","2","2","1") = "5"
    & skf21("4","6","1","3","3","2","3","1") = "5"
    & skf21("4","6","1","3","3","2","4","1") = "5"
    & skf21("4","6","1","3","3","2","5","1") = "5"
    & skf21("4","6","1","3","3","2","6","1") = "5"
    & skf21("4","6","1","3","3","2","7","1") = "6"
    & skf21("4","6","1","3","3","3","1","1") = "5"
    & skf21("4","6","1","3","3","3","2","1") = "5"
    & skf21("4","6","1","3","3","3","3","1") = "5"
    & skf21("4","6","1","3","3","3","4","1") = "5"
    & skf21("4","6","1","3","3","3","5","1") = "5"
    & skf21("4","6","1","3","3","3","6","1") = "5"
    & skf21("4","6","1","3","3","3","7","1") = "6"
    & skf21("4","6","1","3","3","4","1","1") = "5"
    & skf21("4","6","1","3","3","4","2","1") = "5"
    & skf21("4","6","1","3","3","4","3","1") = "5"
    & skf21("4","6","1","3","3","4","4","1") = "5"
    & skf21("4","6","1","3","3","4","5","1") = "5"
    & skf21("4","6","1","3","3","4","6","1") = "5"
    & skf21("4","6","1","3","3","4","7","1") = "6"
    & skf21("4","6","1","3","3","5","1","1") = "5"
    & skf21("4","6","1","3","3","5","2","1") = "5"
    & skf21("4","6","1","3","3","5","3","1") = "5"
    & skf21("4","6","1","3","3","5","4","1") = "5"
    & skf21("4","6","1","3","3","5","5","1") = "5"
    & skf21("4","6","1","3","3","5","6","1") = "5"
    & skf21("4","6","1","3","3","5","7","1") = "6"
    & skf21("4","6","1","3","3","6","1","1") = "5"
    & skf21("4","6","1","3","3","6","2","1") = "5"
    & skf21("4","6","1","3","3","6","3","1") = "5"
    & skf21("4","6","1","3","3","6","4","1") = "5"
    & skf21("4","6","1","3","3","6","5","1") = "5"
    & skf21("4","6","1","3","3","6","6","1") = "5"
    & skf21("4","6","1","3","3","6","7","1") = "6"
    & skf21("4","6","1","3","3","7","1","1") = "6"
    & skf21("4","6","1","3","3","7","2","1") = "6"
    & skf21("4","6","1","3","3","7","3","1") = "6"
    & skf21("4","6","1","3","3","7","4","1") = "6"
    & skf21("4","6","1","3","3","7","5","1") = "6"
    & skf21("4","6","1","3","3","7","6","1") = "6"
    & skf21("4","6","1","3","3","7","7","1") = "6"
    & skf21("4","6","1","3","4","1","1","1") = "5"
    & skf21("4","6","1","3","4","1","2","1") = "5"
    & skf21("4","6","1","3","4","1","3","1") = "5"
    & skf21("4","6","1","3","4","1","4","1") = "5"
    & skf21("4","6","1","3","4","1","5","1") = "5"
    & skf21("4","6","1","3","4","1","6","1") = "5"
    & skf21("4","6","1","3","4","1","7","1") = "6"
    & skf21("4","6","1","3","4","2","1","1") = "5"
    & skf21("4","6","1","3","4","2","2","1") = "5"
    & skf21("4","6","1","3","4","2","3","1") = "5"
    & skf21("4","6","1","3","4","2","4","1") = "5"
    & skf21("4","6","1","3","4","2","5","1") = "5"
    & skf21("4","6","1","3","4","2","6","1") = "5"
    & skf21("4","6","1","3","4","2","7","1") = "6"
    & skf21("4","6","1","3","4","3","1","1") = "5"
    & skf21("4","6","1","3","4","3","2","1") = "5"
    & skf21("4","6","1","3","4","3","3","1") = "5"
    & skf21("4","6","1","3","4","3","4","1") = "5"
    & skf21("4","6","1","3","4","3","5","1") = "5"
    & skf21("4","6","1","3","4","3","6","1") = "5"
    & skf21("4","6","1","3","4","3","7","1") = "6"
    & skf21("4","6","1","3","4","4","1","1") = "5"
    & skf21("4","6","1","3","4","4","2","1") = "5"
    & skf21("4","6","1","3","4","4","3","1") = "5"
    & skf21("4","6","1","3","4","4","4","1") = "5"
    & skf21("4","6","1","3","4","4","5","1") = "5"
    & skf21("4","6","1","3","4","4","6","1") = "5"
    & skf21("4","6","1","3","4","4","7","1") = "6"
    & skf21("4","6","1","3","4","5","1","1") = "5"
    & skf21("4","6","1","3","4","5","2","1") = "5"
    & skf21("4","6","1","3","4","5","3","1") = "5"
    & skf21("4","6","1","3","4","5","4","1") = "5"
    & skf21("4","6","1","3","4","5","5","1") = "5"
    & skf21("4","6","1","3","4","5","6","1") = "5"
    & skf21("4","6","1","3","4","5","7","1") = "6"
    & skf21("4","6","1","3","4","6","1","1") = "5"
    & skf21("4","6","1","3","4","6","2","1") = "5"
    & skf21("4","6","1","3","4","6","3","1") = "5"
    & skf21("4","6","1","3","4","6","4","1") = "5"
    & skf21("4","6","1","3","4","6","5","1") = "5"
    & skf21("4","6","1","3","4","6","6","1") = "5"
    & skf21("4","6","1","3","4","6","7","1") = "6"
    & skf21("4","6","1","3","4","7","1","1") = "6"
    & skf21("4","6","1","3","4","7","2","1") = "6"
    & skf21("4","6","1","3","4","7","3","1") = "6"
    & skf21("4","6","1","3","4","7","4","1") = "6"
    & skf21("4","6","1","3","4","7","5","1") = "6"
    & skf21("4","6","1","3","4","7","6","1") = "6"
    & skf21("4","6","1","3","4","7","7","1") = "6"
    & skf21("4","6","1","3","5","1","1","1") = "5"
    & skf21("4","6","1","3","5","1","2","1") = "5"
    & skf21("4","6","1","3","5","1","3","1") = "5"
    & skf21("4","6","1","3","5","1","4","1") = "5"
    & skf21("4","6","1","3","5","1","5","1") = "5"
    & skf21("4","6","1","3","5","1","6","1") = "5"
    & skf21("4","6","1","3","5","1","7","1") = "6"
    & skf21("4","6","1","3","5","2","1","1") = "5"
    & skf21("4","6","1","3","5","2","2","1") = "5"
    & skf21("4","6","1","3","5","2","3","1") = "5"
    & skf21("4","6","1","3","5","2","4","1") = "5"
    & skf21("4","6","1","3","5","2","5","1") = "5"
    & skf21("4","6","1","3","5","2","6","1") = "5"
    & skf21("4","6","1","3","5","2","7","1") = "6"
    & skf21("4","6","1","3","5","3","1","1") = "5"
    & skf21("4","6","1","3","5","3","2","1") = "5"
    & skf21("4","6","1","3","5","3","3","1") = "5"
    & skf21("4","6","1","3","5","3","4","1") = "5"
    & skf21("4","6","1","3","5","3","5","1") = "5"
    & skf21("4","6","1","3","5","3","6","1") = "5"
    & skf21("4","6","1","3","5","3","7","1") = "6"
    & skf21("4","6","1","3","5","4","1","1") = "5"
    & skf21("4","6","1","3","5","4","2","1") = "5"
    & skf21("4","6","1","3","5","4","3","1") = "5"
    & skf21("4","6","1","3","5","4","4","1") = "5"
    & skf21("4","6","1","3","5","4","5","1") = "5"
    & skf21("4","6","1","3","5","4","6","1") = "5"
    & skf21("4","6","1","3","5","4","7","1") = "6"
    & skf21("4","6","1","3","5","5","1","1") = "5"
    & skf21("4","6","1","3","5","5","2","1") = "5"
    & skf21("4","6","1","3","5","5","3","1") = "5"
    & skf21("4","6","1","3","5","5","4","1") = "5"
    & skf21("4","6","1","3","5","5","5","1") = "5"
    & skf21("4","6","1","3","5","5","6","1") = "5"
    & skf21("4","6","1","3","5","5","7","1") = "6"
    & skf21("4","6","1","3","5","6","1","1") = "5"
    & skf21("4","6","1","3","5","6","2","1") = "5"
    & skf21("4","6","1","3","5","6","3","1") = "5"
    & skf21("4","6","1","3","5","6","4","1") = "5"
    & skf21("4","6","1","3","5","6","5","1") = "5"
    & skf21("4","6","1","3","5","6","6","1") = "5"
    & skf21("4","6","1","3","5","6","7","1") = "6"
    & skf21("4","6","1","3","5","7","1","1") = "6"
    & skf21("4","6","1","3","5","7","2","1") = "6"
    & skf21("4","6","1","3","5","7","3","1") = "6"
    & skf21("4","6","1","3","5","7","4","1") = "6"
    & skf21("4","6","1","3","5","7","5","1") = "6"
    & skf21("4","6","1","3","5","7","6","1") = "6"
    & skf21("4","6","1","3","5","7","7","1") = "6"
    & skf21("4","6","1","3","6","1","1","1") = "5"
    & skf21("4","6","1","3","6","1","2","1") = "5"
    & skf21("4","6","1","3","6","1","3","1") = "5"
    & skf21("4","6","1","3","6","1","4","1") = "5"
    & skf21("4","6","1","3","6","1","5","1") = "5"
    & skf21("4","6","1","3","6","1","6","1") = "5"
    & skf21("4","6","1","3","6","1","7","1") = "6"
    & skf21("4","6","1","3","6","2","1","1") = "5"
    & skf21("4","6","1","3","6","2","2","1") = "5"
    & skf21("4","6","1","3","6","2","3","1") = "5"
    & skf21("4","6","1","3","6","2","4","1") = "5"
    & skf21("4","6","1","3","6","2","5","1") = "5"
    & skf21("4","6","1","3","6","2","6","1") = "5"
    & skf21("4","6","1","3","6","2","7","1") = "6"
    & skf21("4","6","1","3","6","3","1","1") = "5"
    & skf21("4","6","1","3","6","3","2","1") = "5"
    & skf21("4","6","1","3","6","3","3","1") = "5"
    & skf21("4","6","1","3","6","3","4","1") = "5"
    & skf21("4","6","1","3","6","3","5","1") = "5"
    & skf21("4","6","1","3","6","3","6","1") = "5"
    & skf21("4","6","1","3","6","3","7","1") = "6"
    & skf21("4","6","1","3","6","4","1","1") = "5"
    & skf21("4","6","1","3","6","4","2","1") = "5"
    & skf21("4","6","1","3","6","4","3","1") = "5"
    & skf21("4","6","1","3","6","4","4","1") = "5"
    & skf21("4","6","1","3","6","4","5","1") = "5"
    & skf21("4","6","1","3","6","4","6","1") = "5"
    & skf21("4","6","1","3","6","4","7","1") = "6"
    & skf21("4","6","1","3","6","5","1","1") = "5"
    & skf21("4","6","1","3","6","5","2","1") = "5"
    & skf21("4","6","1","3","6","5","3","1") = "5"
    & skf21("4","6","1","3","6","5","4","1") = "5"
    & skf21("4","6","1","3","6","5","5","1") = "5"
    & skf21("4","6","1","3","6","5","6","1") = "5"
    & skf21("4","6","1","3","6","5","7","1") = "6"
    & skf21("4","6","1","3","6","6","1","1") = "5"
    & skf21("4","6","1","3","6","6","2","1") = "5"
    & skf21("4","6","1","3","6","6","3","1") = "5"
    & skf21("4","6","1","3","6","6","4","1") = "5"
    & skf21("4","6","1","3","6","6","5","1") = "5"
    & skf21("4","6","1","3","6","6","6","1") = "5"
    & skf21("4","6","1","3","6","6","7","1") = "6"
    & skf21("4","6","1","3","6","7","1","1") = "6"
    & skf21("4","6","1","3","6","7","2","1") = "6"
    & skf21("4","6","1","3","6","7","3","1") = "6"
    & skf21("4","6","1","3","6","7","4","1") = "6"
    & skf21("4","6","1","3","6","7","5","1") = "6"
    & skf21("4","6","1","3","6","7","6","1") = "6"
    & skf21("4","6","1","3","6","7","7","1") = "6"
    & skf21("4","6","1","3","7","1","1","1") = "6"
    & skf21("4","6","1","3","7","1","2","1") = "6"
    & skf21("4","6","1","3","7","1","3","1") = "6"
    & skf21("4","6","1","3","7","1","4","1") = "6"
    & skf21("4","6","1","3","7","1","5","1") = "6"
    & skf21("4","6","1","3","7","1","6","1") = "6"
    & skf21("4","6","1","3","7","1","7","1") = "6"
    & skf21("4","6","1","3","7","2","1","1") = "6"
    & skf21("4","6","1","3","7","2","2","1") = "6"
    & skf21("4","6","1","3","7","2","3","1") = "6"
    & skf21("4","6","1","3","7","2","4","1") = "6"
    & skf21("4","6","1","3","7","2","5","1") = "6"
    & skf21("4","6","1","3","7","2","6","1") = "6"
    & skf21("4","6","1","3","7","2","7","1") = "6"
    & skf21("4","6","1","3","7","3","1","1") = "6"
    & skf21("4","6","1","3","7","3","2","1") = "6"
    & skf21("4","6","1","3","7","3","3","1") = "6"
    & skf21("4","6","1","3","7","3","4","1") = "6"
    & skf21("4","6","1","3","7","3","5","1") = "6"
    & skf21("4","6","1","3","7","3","6","1") = "6"
    & skf21("4","6","1","3","7","3","7","1") = "6"
    & skf21("4","6","1","3","7","4","1","1") = "6"
    & skf21("4","6","1","3","7","4","2","1") = "6"
    & skf21("4","6","1","3","7","4","3","1") = "6"
    & skf21("4","6","1","3","7","4","4","1") = "6"
    & skf21("4","6","1","3","7","4","5","1") = "6"
    & skf21("4","6","1","3","7","4","6","1") = "6"
    & skf21("4","6","1","3","7","4","7","1") = "6"
    & skf21("4","6","1","3","7","5","1","1") = "6"
    & skf21("4","6","1","3","7","5","2","1") = "6"
    & skf21("4","6","1","3","7","5","3","1") = "6"
    & skf21("4","6","1","3","7","5","4","1") = "6"
    & skf21("4","6","1","3","7","5","5","1") = "6"
    & skf21("4","6","1","3","7","5","6","1") = "6"
    & skf21("4","6","1","3","7","5","7","1") = "6"
    & skf21("4","6","1","3","7","6","1","1") = "6"
    & skf21("4","6","1","3","7","6","2","1") = "6"
    & skf21("4","6","1","3","7","6","3","1") = "6"
    & skf21("4","6","1","3","7","6","4","1") = "6"
    & skf21("4","6","1","3","7","6","5","1") = "6"
    & skf21("4","6","1","3","7","6","6","1") = "6"
    & skf21("4","6","1","3","7","6","7","1") = "6"
    & skf21("4","6","1","3","7","7","1","1") = "6"
    & skf21("4","6","1","3","7","7","2","1") = "6"
    & skf21("4","6","1","3","7","7","3","1") = "6"
    & skf21("4","6","1","3","7","7","4","1") = "6"
    & skf21("4","6","1","3","7","7","5","1") = "6"
    & skf21("4","6","1","3","7","7","6","1") = "6"
    & skf21("4","6","1","3","7","7","7","1") = "6"
    & skf21("4","6","1","4","1","1","1","1") = "5"
    & skf21("4","6","1","4","1","1","2","1") = "5"
    & skf21("4","6","1","4","1","1","3","1") = "5"
    & skf21("4","6","1","4","1","1","4","1") = "5"
    & skf21("4","6","1","4","1","1","5","1") = "5"
    & skf21("4","6","1","4","1","1","6","1") = "5"
    & skf21("4","6","1","4","1","1","7","1") = "6"
    & skf21("4","6","1","4","1","2","1","1") = "5"
    & skf21("4","6","1","4","1","2","2","1") = "5"
    & skf21("4","6","1","4","1","2","3","1") = "5"
    & skf21("4","6","1","4","1","2","4","1") = "5"
    & skf21("4","6","1","4","1","2","5","1") = "5"
    & skf21("4","6","1","4","1","2","6","1") = "5"
    & skf21("4","6","1","4","1","2","7","1") = "6"
    & skf21("4","6","1","4","1","3","1","1") = "5"
    & skf21("4","6","1","4","1","3","2","1") = "5"
    & skf21("4","6","1","4","1","3","3","1") = "5"
    & skf21("4","6","1","4","1","3","4","1") = "5"
    & skf21("4","6","1","4","1","3","5","1") = "5"
    & skf21("4","6","1","4","1","3","6","1") = "5"
    & skf21("4","6","1","4","1","3","7","1") = "6"
    & skf21("4","6","1","4","1","4","1","1") = "5"
    & skf21("4","6","1","4","1","4","2","1") = "5"
    & skf21("4","6","1","4","1","4","3","1") = "5"
    & skf21("4","6","1","4","1","4","4","1") = "5"
    & skf21("4","6","1","4","1","4","5","1") = "5"
    & skf21("4","6","1","4","1","4","6","1") = "5"
    & skf21("4","6","1","4","1","4","7","1") = "6"
    & skf21("4","6","1","4","1","5","1","1") = "5"
    & skf21("4","6","1","4","1","5","2","1") = "5"
    & skf21("4","6","1","4","1","5","3","1") = "5"
    & skf21("4","6","1","4","1","5","4","1") = "5"
    & skf21("4","6","1","4","1","5","5","1") = "5"
    & skf21("4","6","1","4","1","5","6","1") = "5"
    & skf21("4","6","1","4","1","5","7","1") = "6"
    & skf21("4","6","1","4","1","6","1","1") = "5"
    & skf21("4","6","1","4","1","6","2","1") = "5"
    & skf21("4","6","1","4","1","6","3","1") = "5"
    & skf21("4","6","1","4","1","6","4","1") = "5"
    & skf21("4","6","1","4","1","6","5","1") = "5"
    & skf21("4","6","1","4","1","6","6","1") = "5"
    & skf21("4","6","1","4","1","6","7","1") = "6"
    & skf21("4","6","1","4","1","7","1","1") = "6"
    & skf21("4","6","1","4","1","7","2","1") = "6"
    & skf21("4","6","1","4","1","7","3","1") = "6"
    & skf21("4","6","1","4","1","7","4","1") = "6"
    & skf21("4","6","1","4","1","7","5","1") = "6"
    & skf21("4","6","1","4","1","7","6","1") = "6"
    & skf21("4","6","1","4","1","7","7","1") = "6"
    & skf21("4","6","1","4","2","1","1","1") = "5"
    & skf21("4","6","1","4","2","1","2","1") = "5"
    & skf21("4","6","1","4","2","1","3","1") = "5"
    & skf21("4","6","1","4","2","1","4","1") = "5"
    & skf21("4","6","1","4","2","1","5","1") = "5"
    & skf21("4","6","1","4","2","1","6","1") = "5"
    & skf21("4","6","1","4","2","1","7","1") = "6"
    & skf21("4","6","1","4","2","2","1","1") = "5"
    & skf21("4","6","1","4","2","2","2","1") = "5"
    & skf21("4","6","1","4","2","2","3","1") = "5"
    & skf21("4","6","1","4","2","2","4","1") = "5"
    & skf21("4","6","1","4","2","2","5","1") = "5"
    & skf21("4","6","1","4","2","2","6","1") = "5"
    & skf21("4","6","1","4","2","2","7","1") = "6"
    & skf21("4","6","1","4","2","3","1","1") = "5"
    & skf21("4","6","1","4","2","3","2","1") = "5"
    & skf21("4","6","1","4","2","3","3","1") = "5"
    & skf21("4","6","1","4","2","3","4","1") = "5"
    & skf21("4","6","1","4","2","3","5","1") = "5"
    & skf21("4","6","1","4","2","3","6","1") = "5"
    & skf21("4","6","1","4","2","3","7","1") = "6"
    & skf21("4","6","1","4","2","4","1","1") = "5"
    & skf21("4","6","1","4","2","4","2","1") = "5"
    & skf21("4","6","1","4","2","4","3","1") = "5"
    & skf21("4","6","1","4","2","4","4","1") = "5"
    & skf21("4","6","1","4","2","4","5","1") = "5"
    & skf21("4","6","1","4","2","4","6","1") = "5"
    & skf21("4","6","1","4","2","4","7","1") = "6"
    & skf21("4","6","1","4","2","5","1","1") = "5"
    & skf21("4","6","1","4","2","5","2","1") = "5"
    & skf21("4","6","1","4","2","5","3","1") = "5"
    & skf21("4","6","1","4","2","5","4","1") = "5"
    & skf21("4","6","1","4","2","5","5","1") = "5"
    & skf21("4","6","1","4","2","5","6","1") = "5"
    & skf21("4","6","1","4","2","5","7","1") = "6"
    & skf21("4","6","1","4","2","6","1","1") = "5"
    & skf21("4","6","1","4","2","6","2","1") = "5"
    & skf21("4","6","1","4","2","6","3","1") = "5"
    & skf21("4","6","1","4","2","6","4","1") = "5"
    & skf21("4","6","1","4","2","6","5","1") = "5"
    & skf21("4","6","1","4","2","6","6","1") = "5"
    & skf21("4","6","1","4","2","6","7","1") = "6"
    & skf21("4","6","1","4","2","7","1","1") = "6"
    & skf21("4","6","1","4","2","7","2","1") = "6"
    & skf21("4","6","1","4","2","7","3","1") = "6"
    & skf21("4","6","1","4","2","7","4","1") = "6"
    & skf21("4","6","1","4","2","7","5","1") = "6"
    & skf21("4","6","1","4","2","7","6","1") = "6"
    & skf21("4","6","1","4","2","7","7","1") = "6"
    & skf21("4","6","1","4","3","1","1","1") = "5"
    & skf21("4","6","1","4","3","1","2","1") = "5"
    & skf21("4","6","1","4","3","1","3","1") = "5"
    & skf21("4","6","1","4","3","1","4","1") = "5"
    & skf21("4","6","1","4","3","1","5","1") = "5"
    & skf21("4","6","1","4","3","1","6","1") = "5"
    & skf21("4","6","1","4","3","1","7","1") = "6"
    & skf21("4","6","1","4","3","2","1","1") = "5"
    & skf21("4","6","1","4","3","2","2","1") = "5"
    & skf21("4","6","1","4","3","2","3","1") = "5"
    & skf21("4","6","1","4","3","2","4","1") = "5"
    & skf21("4","6","1","4","3","2","5","1") = "5"
    & skf21("4","6","1","4","3","2","6","1") = "5"
    & skf21("4","6","1","4","3","2","7","1") = "6"
    & skf21("4","6","1","4","3","3","1","1") = "5"
    & skf21("4","6","1","4","3","3","2","1") = "5"
    & skf21("4","6","1","4","3","3","3","1") = "5"
    & skf21("4","6","1","4","3","3","4","1") = "5"
    & skf21("4","6","1","4","3","3","5","1") = "5"
    & skf21("4","6","1","4","3","3","6","1") = "5"
    & skf21("4","6","1","4","3","3","7","1") = "6"
    & skf21("4","6","1","4","3","4","1","1") = "5"
    & skf21("4","6","1","4","3","4","2","1") = "5"
    & skf21("4","6","1","4","3","4","3","1") = "5"
    & skf21("4","6","1","4","3","4","4","1") = "5"
    & skf21("4","6","1","4","3","4","5","1") = "5"
    & skf21("4","6","1","4","3","4","6","1") = "5"
    & skf21("4","6","1","4","3","4","7","1") = "6"
    & skf21("4","6","1","4","3","5","1","1") = "5"
    & skf21("4","6","1","4","3","5","2","1") = "5"
    & skf21("4","6","1","4","3","5","3","1") = "5"
    & skf21("4","6","1","4","3","5","4","1") = "5"
    & skf21("4","6","1","4","3","5","5","1") = "5"
    & skf21("4","6","1","4","3","5","6","1") = "5"
    & skf21("4","6","1","4","3","5","7","1") = "6"
    & skf21("4","6","1","4","3","6","1","1") = "5"
    & skf21("4","6","1","4","3","6","2","1") = "5"
    & skf21("4","6","1","4","3","6","3","1") = "5"
    & skf21("4","6","1","4","3","6","4","1") = "5"
    & skf21("4","6","1","4","3","6","5","1") = "5"
    & skf21("4","6","1","4","3","6","6","1") = "5"
    & skf21("4","6","1","4","3","6","7","1") = "6"
    & skf21("4","6","1","4","3","7","1","1") = "6"
    & skf21("4","6","1","4","3","7","2","1") = "6"
    & skf21("4","6","1","4","3","7","3","1") = "6"
    & skf21("4","6","1","4","3","7","4","1") = "6"
    & skf21("4","6","1","4","3","7","5","1") = "6"
    & skf21("4","6","1","4","3","7","6","1") = "6"
    & skf21("4","6","1","4","3","7","7","1") = "6"
    & skf21("4","6","1","4","4","1","1","1") = "5"
    & skf21("4","6","1","4","4","1","2","1") = "5"
    & skf21("4","6","1","4","4","1","3","1") = "5"
    & skf21("4","6","1","4","4","1","4","1") = "5"
    & skf21("4","6","1","4","4","1","5","1") = "5"
    & skf21("4","6","1","4","4","1","6","1") = "5"
    & skf21("4","6","1","4","4","1","7","1") = "6"
    & skf21("4","6","1","4","4","2","1","1") = "5"
    & skf21("4","6","1","4","4","2","2","1") = "5"
    & skf21("4","6","1","4","4","2","3","1") = "5"
    & skf21("4","6","1","4","4","2","4","1") = "5"
    & skf21("4","6","1","4","4","2","5","1") = "5"
    & skf21("4","6","1","4","4","2","6","1") = "5"
    & skf21("4","6","1","4","4","2","7","1") = "6"
    & skf21("4","6","1","4","4","3","1","1") = "5"
    & skf21("4","6","1","4","4","3","2","1") = "5"
    & skf21("4","6","1","4","4","3","3","1") = "5"
    & skf21("4","6","1","4","4","3","4","1") = "5"
    & skf21("4","6","1","4","4","3","5","1") = "5"
    & skf21("4","6","1","4","4","3","6","1") = "5"
    & skf21("4","6","1","4","4","3","7","1") = "6"
    & skf21("4","6","1","4","4","4","1","1") = "5"
    & skf21("4","6","1","4","4","4","2","1") = "5"
    & skf21("4","6","1","4","4","4","3","1") = "5"
    & skf21("4","6","1","4","4","4","4","1") = "5"
    & skf21("4","6","1","4","4","4","5","1") = "5"
    & skf21("4","6","1","4","4","4","6","1") = "5"
    & skf21("4","6","1","4","4","4","7","1") = "6"
    & skf21("4","6","1","4","4","5","1","1") = "5"
    & skf21("4","6","1","4","4","5","2","1") = "5"
    & skf21("4","6","1","4","4","5","3","1") = "5"
    & skf21("4","6","1","4","4","5","4","1") = "5"
    & skf21("4","6","1","4","4","5","5","1") = "5"
    & skf21("4","6","1","4","4","5","6","1") = "5"
    & skf21("4","6","1","4","4","5","7","1") = "6"
    & skf21("4","6","1","4","4","6","1","1") = "5"
    & skf21("4","6","1","4","4","6","2","1") = "5"
    & skf21("4","6","1","4","4","6","3","1") = "5"
    & skf21("4","6","1","4","4","6","4","1") = "5"
    & skf21("4","6","1","4","4","6","5","1") = "5"
    & skf21("4","6","1","4","4","6","6","1") = "5"
    & skf21("4","6","1","4","4","6","7","1") = "6"
    & skf21("4","6","1","4","4","7","1","1") = "6"
    & skf21("4","6","1","4","4","7","2","1") = "6"
    & skf21("4","6","1","4","4","7","3","1") = "6"
    & skf21("4","6","1","4","4","7","4","1") = "6"
    & skf21("4","6","1","4","4","7","5","1") = "6"
    & skf21("4","6","1","4","4","7","6","1") = "6"
    & skf21("4","6","1","4","4","7","7","1") = "6"
    & skf21("4","6","1","4","5","1","1","1") = "5"
    & skf21("4","6","1","4","5","1","2","1") = "5"
    & skf21("4","6","1","4","5","1","3","1") = "5"
    & skf21("4","6","1","4","5","1","4","1") = "5"
    & skf21("4","6","1","4","5","1","5","1") = "5"
    & skf21("4","6","1","4","5","1","6","1") = "5"
    & skf21("4","6","1","4","5","1","7","1") = "6"
    & skf21("4","6","1","4","5","2","1","1") = "5"
    & skf21("4","6","1","4","5","2","2","1") = "5"
    & skf21("4","6","1","4","5","2","3","1") = "5"
    & skf21("4","6","1","4","5","2","4","1") = "5"
    & skf21("4","6","1","4","5","2","5","1") = "5"
    & skf21("4","6","1","4","5","2","6","1") = "5"
    & skf21("4","6","1","4","5","2","7","1") = "6"
    & skf21("4","6","1","4","5","3","1","1") = "5"
    & skf21("4","6","1","4","5","3","2","1") = "5"
    & skf21("4","6","1","4","5","3","3","1") = "5"
    & skf21("4","6","1","4","5","3","4","1") = "5"
    & skf21("4","6","1","4","5","3","5","1") = "5"
    & skf21("4","6","1","4","5","3","6","1") = "5"
    & skf21("4","6","1","4","5","3","7","1") = "6"
    & skf21("4","6","1","4","5","4","1","1") = "5"
    & skf21("4","6","1","4","5","4","2","1") = "5"
    & skf21("4","6","1","4","5","4","3","1") = "5"
    & skf21("4","6","1","4","5","4","4","1") = "5"
    & skf21("4","6","1","4","5","4","5","1") = "5"
    & skf21("4","6","1","4","5","4","6","1") = "5"
    & skf21("4","6","1","4","5","4","7","1") = "6"
    & skf21("4","6","1","4","5","5","1","1") = "5"
    & skf21("4","6","1","4","5","5","2","1") = "5"
    & skf21("4","6","1","4","5","5","3","1") = "5"
    & skf21("4","6","1","4","5","5","4","1") = "5"
    & skf21("4","6","1","4","5","5","5","1") = "5"
    & skf21("4","6","1","4","5","5","6","1") = "5"
    & skf21("4","6","1","4","5","5","7","1") = "6"
    & skf21("4","6","1","4","5","6","1","1") = "5"
    & skf21("4","6","1","4","5","6","2","1") = "5"
    & skf21("4","6","1","4","5","6","3","1") = "5"
    & skf21("4","6","1","4","5","6","4","1") = "5"
    & skf21("4","6","1","4","5","6","5","1") = "5"
    & skf21("4","6","1","4","5","6","6","1") = "5"
    & skf21("4","6","1","4","5","6","7","1") = "6"
    & skf21("4","6","1","4","5","7","1","1") = "6"
    & skf21("4","6","1","4","5","7","2","1") = "6"
    & skf21("4","6","1","4","5","7","3","1") = "6"
    & skf21("4","6","1","4","5","7","4","1") = "6"
    & skf21("4","6","1","4","5","7","5","1") = "6"
    & skf21("4","6","1","4","5","7","6","1") = "6"
    & skf21("4","6","1","4","5","7","7","1") = "6"
    & skf21("4","6","1","4","6","1","1","1") = "5"
    & skf21("4","6","1","4","6","1","2","1") = "5"
    & skf21("4","6","1","4","6","1","3","1") = "5"
    & skf21("4","6","1","4","6","1","4","1") = "5"
    & skf21("4","6","1","4","6","1","5","1") = "5"
    & skf21("4","6","1","4","6","1","6","1") = "5"
    & skf21("4","6","1","4","6","1","7","1") = "6"
    & skf21("4","6","1","4","6","2","1","1") = "5"
    & skf21("4","6","1","4","6","2","2","1") = "5"
    & skf21("4","6","1","4","6","2","3","1") = "5"
    & skf21("4","6","1","4","6","2","4","1") = "5"
    & skf21("4","6","1","4","6","2","5","1") = "5"
    & skf21("4","6","1","4","6","2","6","1") = "5"
    & skf21("4","6","1","4","6","2","7","1") = "6"
    & skf21("4","6","1","4","6","3","1","1") = "5"
    & skf21("4","6","1","4","6","3","2","1") = "5"
    & skf21("4","6","1","4","6","3","3","1") = "5"
    & skf21("4","6","1","4","6","3","4","1") = "5"
    & skf21("4","6","1","4","6","3","5","1") = "5"
    & skf21("4","6","1","4","6","3","6","1") = "5"
    & skf21("4","6","1","4","6","3","7","1") = "6"
    & skf21("4","6","1","4","6","4","1","1") = "5"
    & skf21("4","6","1","4","6","4","2","1") = "5"
    & skf21("4","6","1","4","6","4","3","1") = "5"
    & skf21("4","6","1","4","6","4","4","1") = "5"
    & skf21("4","6","1","4","6","4","5","1") = "5"
    & skf21("4","6","1","4","6","4","6","1") = "5"
    & skf21("4","6","1","4","6","4","7","1") = "6"
    & skf21("4","6","1","4","6","5","1","1") = "5"
    & skf21("4","6","1","4","6","5","2","1") = "5"
    & skf21("4","6","1","4","6","5","3","1") = "5"
    & skf21("4","6","1","4","6","5","4","1") = "5"
    & skf21("4","6","1","4","6","5","5","1") = "5"
    & skf21("4","6","1","4","6","5","6","1") = "5"
    & skf21("4","6","1","4","6","5","7","1") = "6"
    & skf21("4","6","1","4","6","6","1","1") = "5"
    & skf21("4","6","1","4","6","6","2","1") = "5"
    & skf21("4","6","1","4","6","6","3","1") = "5"
    & skf21("4","6","1","4","6","6","4","1") = "5"
    & skf21("4","6","1","4","6","6","5","1") = "5"
    & skf21("4","6","1","4","6","6","6","1") = "5"
    & skf21("4","6","1","4","6","6","7","1") = "6"
    & skf21("4","6","1","4","6","7","1","1") = "6"
    & skf21("4","6","1","4","6","7","2","1") = "6"
    & skf21("4","6","1","4","6","7","3","1") = "6"
    & skf21("4","6","1","4","6","7","4","1") = "6"
    & skf21("4","6","1","4","6","7","5","1") = "6"
    & skf21("4","6","1","4","6","7","6","1") = "6"
    & skf21("4","6","1","4","6","7","7","1") = "6"
    & skf21("4","6","1","4","7","1","1","1") = "6"
    & skf21("4","6","1","4","7","1","2","1") = "6"
    & skf21("4","6","1","4","7","1","3","1") = "6"
    & skf21("4","6","1","4","7","1","4","1") = "6"
    & skf21("4","6","1","4","7","1","5","1") = "6"
    & skf21("4","6","1","4","7","1","6","1") = "6"
    & skf21("4","6","1","4","7","1","7","1") = "6"
    & skf21("4","6","1","4","7","2","1","1") = "6"
    & skf21("4","6","1","4","7","2","2","1") = "6"
    & skf21("4","6","1","4","7","2","3","1") = "6"
    & skf21("4","6","1","4","7","2","4","1") = "6"
    & skf21("4","6","1","4","7","2","5","1") = "6"
    & skf21("4","6","1","4","7","2","6","1") = "6"
    & skf21("4","6","1","4","7","2","7","1") = "6"
    & skf21("4","6","1","4","7","3","1","1") = "6"
    & skf21("4","6","1","4","7","3","2","1") = "6"
    & skf21("4","6","1","4","7","3","3","1") = "6"
    & skf21("4","6","1","4","7","3","4","1") = "6"
    & skf21("4","6","1","4","7","3","5","1") = "6"
    & skf21("4","6","1","4","7","3","6","1") = "6"
    & skf21("4","6","1","4","7","3","7","1") = "6"
    & skf21("4","6","1","4","7","4","1","1") = "6"
    & skf21("4","6","1","4","7","4","2","1") = "6"
    & skf21("4","6","1","4","7","4","3","1") = "6"
    & skf21("4","6","1","4","7","4","4","1") = "6"
    & skf21("4","6","1","4","7","4","5","1") = "6"
    & skf21("4","6","1","4","7","4","6","1") = "6"
    & skf21("4","6","1","4","7","4","7","1") = "6"
    & skf21("4","6","1","4","7","5","1","1") = "6"
    & skf21("4","6","1","4","7","5","2","1") = "6"
    & skf21("4","6","1","4","7","5","3","1") = "6"
    & skf21("4","6","1","4","7","5","4","1") = "6"
    & skf21("4","6","1","4","7","5","5","1") = "6"
    & skf21("4","6","1","4","7","5","6","1") = "6"
    & skf21("4","6","1","4","7","5","7","1") = "6"
    & skf21("4","6","1","4","7","6","1","1") = "6"
    & skf21("4","6","1","4","7","6","2","1") = "6"
    & skf21("4","6","1","4","7","6","3","1") = "6"
    & skf21("4","6","1","4","7","6","4","1") = "6"
    & skf21("4","6","1","4","7","6","5","1") = "6"
    & skf21("4","6","1","4","7","6","6","1") = "6"
    & skf21("4","6","1","4","7","6","7","1") = "6"
    & skf21("4","6","1","4","7","7","1","1") = "6"
    & skf21("4","6","1","4","7","7","2","1") = "6"
    & skf21("4","6","1","4","7","7","3","1") = "6"
    & skf21("4","6","1","4","7","7","4","1") = "6"
    & skf21("4","6","1","4","7","7","5","1") = "6"
    & skf21("4","6","1","4","7","7","6","1") = "6"
    & skf21("4","6","1","4","7","7","7","1") = "6"
    & skf21("4","6","1","5","1","1","1","1") = "5"
    & skf21("4","6","1","5","1","1","2","1") = "5"
    & skf21("4","6","1","5","1","1","3","1") = "5"
    & skf21("4","6","1","5","1","1","4","1") = "5"
    & skf21("4","6","1","5","1","1","5","1") = "5"
    & skf21("4","6","1","5","1","1","6","1") = "5"
    & skf21("4","6","1","5","1","1","7","1") = "6"
    & skf21("4","6","1","5","1","2","1","1") = "5"
    & skf21("4","6","1","5","1","2","2","1") = "5"
    & skf21("4","6","1","5","1","2","3","1") = "5"
    & skf21("4","6","1","5","1","2","4","1") = "5"
    & skf21("4","6","1","5","1","2","5","1") = "5"
    & skf21("4","6","1","5","1","2","6","1") = "5"
    & skf21("4","6","1","5","1","2","7","1") = "6"
    & skf21("4","6","1","5","1","3","1","1") = "5"
    & skf21("4","6","1","5","1","3","2","1") = "5"
    & skf21("4","6","1","5","1","3","3","1") = "5"
    & skf21("4","6","1","5","1","3","4","1") = "5"
    & skf21("4","6","1","5","1","3","5","1") = "5"
    & skf21("4","6","1","5","1","3","6","1") = "5"
    & skf21("4","6","1","5","1","3","7","1") = "6"
    & skf21("4","6","1","5","1","4","1","1") = "5"
    & skf21("4","6","1","5","1","4","2","1") = "5"
    & skf21("4","6","1","5","1","4","3","1") = "5"
    & skf21("4","6","1","5","1","4","4","1") = "5"
    & skf21("4","6","1","5","1","4","5","1") = "5"
    & skf21("4","6","1","5","1","4","6","1") = "5"
    & skf21("4","6","1","5","1","4","7","1") = "6"
    & skf21("4","6","1","5","1","5","1","1") = "5"
    & skf21("4","6","1","5","1","5","2","1") = "5"
    & skf21("4","6","1","5","1","5","3","1") = "5"
    & skf21("4","6","1","5","1","5","4","1") = "5"
    & skf21("4","6","1","5","1","5","5","1") = "5"
    & skf21("4","6","1","5","1","5","6","1") = "5"
    & skf21("4","6","1","5","1","5","7","1") = "6"
    & skf21("4","6","1","5","1","6","1","1") = "5"
    & skf21("4","6","1","5","1","6","2","1") = "5"
    & skf21("4","6","1","5","1","6","3","1") = "5"
    & skf21("4","6","1","5","1","6","4","1") = "5"
    & skf21("4","6","1","5","1","6","5","1") = "5"
    & skf21("4","6","1","5","1","6","6","1") = "5"
    & skf21("4","6","1","5","1","6","7","1") = "6"
    & skf21("4","6","1","5","1","7","1","1") = "6"
    & skf21("4","6","1","5","1","7","2","1") = "6"
    & skf21("4","6","1","5","1","7","3","1") = "6"
    & skf21("4","6","1","5","1","7","4","1") = "6"
    & skf21("4","6","1","5","1","7","5","1") = "6"
    & skf21("4","6","1","5","1","7","6","1") = "6"
    & skf21("4","6","1","5","1","7","7","1") = "6"
    & skf21("4","6","1","5","2","1","1","1") = "5"
    & skf21("4","6","1","5","2","1","2","1") = "5"
    & skf21("4","6","1","5","2","1","3","1") = "5"
    & skf21("4","6","1","5","2","1","4","1") = "5"
    & skf21("4","6","1","5","2","1","5","1") = "5"
    & skf21("4","6","1","5","2","1","6","1") = "5"
    & skf21("4","6","1","5","2","1","7","1") = "6"
    & skf21("4","6","1","5","2","2","1","1") = "5"
    & skf21("4","6","1","5","2","2","2","1") = "5"
    & skf21("4","6","1","5","2","2","3","1") = "5"
    & skf21("4","6","1","5","2","2","4","1") = "5"
    & skf21("4","6","1","5","2","2","5","1") = "5"
    & skf21("4","6","1","5","2","2","6","1") = "5"
    & skf21("4","6","1","5","2","2","7","1") = "6"
    & skf21("4","6","1","5","2","3","1","1") = "5"
    & skf21("4","6","1","5","2","3","2","1") = "5"
    & skf21("4","6","1","5","2","3","3","1") = "5"
    & skf21("4","6","1","5","2","3","4","1") = "5"
    & skf21("4","6","1","5","2","3","5","1") = "5"
    & skf21("4","6","1","5","2","3","6","1") = "5"
    & skf21("4","6","1","5","2","3","7","1") = "6"
    & skf21("4","6","1","5","2","4","1","1") = "5"
    & skf21("4","6","1","5","2","4","2","1") = "5"
    & skf21("4","6","1","5","2","4","3","1") = "5"
    & skf21("4","6","1","5","2","4","4","1") = "5"
    & skf21("4","6","1","5","2","4","5","1") = "5"
    & skf21("4","6","1","5","2","4","6","1") = "5"
    & skf21("4","6","1","5","2","4","7","1") = "6"
    & skf21("4","6","1","5","2","5","1","1") = "5"
    & skf21("4","6","1","5","2","5","2","1") = "5"
    & skf21("4","6","1","5","2","5","3","1") = "5"
    & skf21("4","6","1","5","2","5","4","1") = "5"
    & skf21("4","6","1","5","2","5","5","1") = "5"
    & skf21("4","6","1","5","2","5","6","1") = "5"
    & skf21("4","6","1","5","2","5","7","1") = "6"
    & skf21("4","6","1","5","2","6","1","1") = "5"
    & skf21("4","6","1","5","2","6","2","1") = "5"
    & skf21("4","6","1","5","2","6","3","1") = "5"
    & skf21("4","6","1","5","2","6","4","1") = "5"
    & skf21("4","6","1","5","2","6","5","1") = "5"
    & skf21("4","6","1","5","2","6","6","1") = "5"
    & skf21("4","6","1","5","2","6","7","1") = "6"
    & skf21("4","6","1","5","2","7","1","1") = "6"
    & skf21("4","6","1","5","2","7","2","1") = "6"
    & skf21("4","6","1","5","2","7","3","1") = "6"
    & skf21("4","6","1","5","2","7","4","1") = "6"
    & skf21("4","6","1","5","2","7","5","1") = "6"
    & skf21("4","6","1","5","2","7","6","1") = "6"
    & skf21("4","6","1","5","2","7","7","1") = "6"
    & skf21("4","6","1","5","3","1","1","1") = "5"
    & skf21("4","6","1","5","3","1","2","1") = "5"
    & skf21("4","6","1","5","3","1","3","1") = "5"
    & skf21("4","6","1","5","3","1","4","1") = "5"
    & skf21("4","6","1","5","3","1","5","1") = "5"
    & skf21("4","6","1","5","3","1","6","1") = "5"
    & skf21("4","6","1","5","3","1","7","1") = "6"
    & skf21("4","6","1","5","3","2","1","1") = "5"
    & skf21("4","6","1","5","3","2","2","1") = "5"
    & skf21("4","6","1","5","3","2","3","1") = "5"
    & skf21("4","6","1","5","3","2","4","1") = "5"
    & skf21("4","6","1","5","3","2","5","1") = "5"
    & skf21("4","6","1","5","3","2","6","1") = "5"
    & skf21("4","6","1","5","3","2","7","1") = "6"
    & skf21("4","6","1","5","3","3","1","1") = "5"
    & skf21("4","6","1","5","3","3","2","1") = "5"
    & skf21("4","6","1","5","3","3","3","1") = "5"
    & skf21("4","6","1","5","3","3","4","1") = "5"
    & skf21("4","6","1","5","3","3","5","1") = "5"
    & skf21("4","6","1","5","3","3","6","1") = "5"
    & skf21("4","6","1","5","3","3","7","1") = "6"
    & skf21("4","6","1","5","3","4","1","1") = "5"
    & skf21("4","6","1","5","3","4","2","1") = "5"
    & skf21("4","6","1","5","3","4","3","1") = "5"
    & skf21("4","6","1","5","3","4","4","1") = "5"
    & skf21("4","6","1","5","3","4","5","1") = "5"
    & skf21("4","6","1","5","3","4","6","1") = "5"
    & skf21("4","6","1","5","3","4","7","1") = "6"
    & skf21("4","6","1","5","3","5","1","1") = "5"
    & skf21("4","6","1","5","3","5","2","1") = "5"
    & skf21("4","6","1","5","3","5","3","1") = "5"
    & skf21("4","6","1","5","3","5","4","1") = "5"
    & skf21("4","6","1","5","3","5","5","1") = "5"
    & skf21("4","6","1","5","3","5","6","1") = "5"
    & skf21("4","6","1","5","3","5","7","1") = "6"
    & skf21("4","6","1","5","3","6","1","1") = "5"
    & skf21("4","6","1","5","3","6","2","1") = "5"
    & skf21("4","6","1","5","3","6","3","1") = "5"
    & skf21("4","6","1","5","3","6","4","1") = "5"
    & skf21("4","6","1","5","3","6","5","1") = "5"
    & skf21("4","6","1","5","3","6","6","1") = "5"
    & skf21("4","6","1","5","3","6","7","1") = "6"
    & skf21("4","6","1","5","3","7","1","1") = "6"
    & skf21("4","6","1","5","3","7","2","1") = "6"
    & skf21("4","6","1","5","3","7","3","1") = "6"
    & skf21("4","6","1","5","3","7","4","1") = "6"
    & skf21("4","6","1","5","3","7","5","1") = "6"
    & skf21("4","6","1","5","3","7","6","1") = "6"
    & skf21("4","6","1","5","3","7","7","1") = "6"
    & skf21("4","6","1","5","4","1","1","1") = "5"
    & skf21("4","6","1","5","4","1","2","1") = "5"
    & skf21("4","6","1","5","4","1","3","1") = "5"
    & skf21("4","6","1","5","4","1","4","1") = "5"
    & skf21("4","6","1","5","4","1","5","1") = "5"
    & skf21("4","6","1","5","4","1","6","1") = "5"
    & skf21("4","6","1","5","4","1","7","1") = "6"
    & skf21("4","6","1","5","4","2","1","1") = "5"
    & skf21("4","6","1","5","4","2","2","1") = "5"
    & skf21("4","6","1","5","4","2","3","1") = "5"
    & skf21("4","6","1","5","4","2","4","1") = "5"
    & skf21("4","6","1","5","4","2","5","1") = "5"
    & skf21("4","6","1","5","4","2","6","1") = "5"
    & skf21("4","6","1","5","4","2","7","1") = "6"
    & skf21("4","6","1","5","4","3","1","1") = "5"
    & skf21("4","6","1","5","4","3","2","1") = "5"
    & skf21("4","6","1","5","4","3","3","1") = "5"
    & skf21("4","6","1","5","4","3","4","1") = "5"
    & skf21("4","6","1","5","4","3","5","1") = "5"
    & skf21("4","6","1","5","4","3","6","1") = "5"
    & skf21("4","6","1","5","4","3","7","1") = "6"
    & skf21("4","6","1","5","4","4","1","1") = "5"
    & skf21("4","6","1","5","4","4","2","1") = "5"
    & skf21("4","6","1","5","4","4","3","1") = "5"
    & skf21("4","6","1","5","4","4","4","1") = "5"
    & skf21("4","6","1","5","4","4","5","1") = "5"
    & skf21("4","6","1","5","4","4","6","1") = "5"
    & skf21("4","6","1","5","4","4","7","1") = "6"
    & skf21("4","6","1","5","4","5","1","1") = "5"
    & skf21("4","6","1","5","4","5","2","1") = "5"
    & skf21("4","6","1","5","4","5","3","1") = "5"
    & skf21("4","6","1","5","4","5","4","1") = "5"
    & skf21("4","6","1","5","4","5","5","1") = "5"
    & skf21("4","6","1","5","4","5","6","1") = "5"
    & skf21("4","6","1","5","4","5","7","1") = "6"
    & skf21("4","6","1","5","4","6","1","1") = "5"
    & skf21("4","6","1","5","4","6","2","1") = "5"
    & skf21("4","6","1","5","4","6","3","1") = "5"
    & skf21("4","6","1","5","4","6","4","1") = "5"
    & skf21("4","6","1","5","4","6","5","1") = "5"
    & skf21("4","6","1","5","4","6","6","1") = "5"
    & skf21("4","6","1","5","4","6","7","1") = "6"
    & skf21("4","6","1","5","4","7","1","1") = "6"
    & skf21("4","6","1","5","4","7","2","1") = "6"
    & skf21("4","6","1","5","4","7","3","1") = "6"
    & skf21("4","6","1","5","4","7","4","1") = "6"
    & skf21("4","6","1","5","4","7","5","1") = "6"
    & skf21("4","6","1","5","4","7","6","1") = "6"
    & skf21("4","6","1","5","4","7","7","1") = "6"
    & skf21("4","6","1","5","5","1","1","1") = "5"
    & skf21("4","6","1","5","5","1","2","1") = "5"
    & skf21("4","6","1","5","5","1","3","1") = "5"
    & skf21("4","6","1","5","5","1","4","1") = "5"
    & skf21("4","6","1","5","5","1","5","1") = "5"
    & skf21("4","6","1","5","5","1","6","1") = "5"
    & skf21("4","6","1","5","5","1","7","1") = "6"
    & skf21("4","6","1","5","5","2","1","1") = "5"
    & skf21("4","6","1","5","5","2","2","1") = "5"
    & skf21("4","6","1","5","5","2","3","1") = "5"
    & skf21("4","6","1","5","5","2","4","1") = "5"
    & skf21("4","6","1","5","5","2","5","1") = "5"
    & skf21("4","6","1","5","5","2","6","1") = "5"
    & skf21("4","6","1","5","5","2","7","1") = "6"
    & skf21("4","6","1","5","5","3","1","1") = "5"
    & skf21("4","6","1","5","5","3","2","1") = "5"
    & skf21("4","6","1","5","5","3","3","1") = "5"
    & skf21("4","6","1","5","5","3","4","1") = "5"
    & skf21("4","6","1","5","5","3","5","1") = "5"
    & skf21("4","6","1","5","5","3","6","1") = "5"
    & skf21("4","6","1","5","5","3","7","1") = "6"
    & skf21("4","6","1","5","5","4","1","1") = "5"
    & skf21("4","6","1","5","5","4","2","1") = "5"
    & skf21("4","6","1","5","5","4","3","1") = "5"
    & skf21("4","6","1","5","5","4","4","1") = "5"
    & skf21("4","6","1","5","5","4","5","1") = "5"
    & skf21("4","6","1","5","5","4","6","1") = "5"
    & skf21("4","6","1","5","5","4","7","1") = "6"
    & skf21("4","6","1","5","5","5","1","1") = "5"
    & skf21("4","6","1","5","5","5","2","1") = "5"
    & skf21("4","6","1","5","5","5","3","1") = "5"
    & skf21("4","6","1","5","5","5","4","1") = "5"
    & skf21("4","6","1","5","5","5","5","1") = "5"
    & skf21("4","6","1","5","5","5","6","1") = "5"
    & skf21("4","6","1","5","5","5","7","1") = "6"
    & skf21("4","6","1","5","5","6","1","1") = "5"
    & skf21("4","6","1","5","5","6","2","1") = "5"
    & skf21("4","6","1","5","5","6","3","1") = "5"
    & skf21("4","6","1","5","5","6","4","1") = "5"
    & skf21("4","6","1","5","5","6","5","1") = "5"
    & skf21("4","6","1","5","5","6","6","1") = "5"
    & skf21("4","6","1","5","5","6","7","1") = "6"
    & skf21("4","6","1","5","5","7","1","1") = "6"
    & skf21("4","6","1","5","5","7","2","1") = "6"
    & skf21("4","6","1","5","5","7","3","1") = "6"
    & skf21("4","6","1","5","5","7","4","1") = "6"
    & skf21("4","6","1","5","5","7","5","1") = "6"
    & skf21("4","6","1","5","5","7","6","1") = "6"
    & skf21("4","6","1","5","5","7","7","1") = "6"
    & skf21("4","6","1","5","6","1","1","1") = "5"
    & skf21("4","6","1","5","6","1","2","1") = "5"
    & skf21("4","6","1","5","6","1","3","1") = "5"
    & skf21("4","6","1","5","6","1","4","1") = "5"
    & skf21("4","6","1","5","6","1","5","1") = "5"
    & skf21("4","6","1","5","6","1","6","1") = "5"
    & skf21("4","6","1","5","6","1","7","1") = "6"
    & skf21("4","6","1","5","6","2","1","1") = "5"
    & skf21("4","6","1","5","6","2","2","1") = "5"
    & skf21("4","6","1","5","6","2","3","1") = "5"
    & skf21("4","6","1","5","6","2","4","1") = "5"
    & skf21("4","6","1","5","6","2","5","1") = "5"
    & skf21("4","6","1","5","6","2","6","1") = "5"
    & skf21("4","6","1","5","6","2","7","1") = "6"
    & skf21("4","6","1","5","6","3","1","1") = "5"
    & skf21("4","6","1","5","6","3","2","1") = "5"
    & skf21("4","6","1","5","6","3","3","1") = "5"
    & skf21("4","6","1","5","6","3","4","1") = "5"
    & skf21("4","6","1","5","6","3","5","1") = "5"
    & skf21("4","6","1","5","6","3","6","1") = "5"
    & skf21("4","6","1","5","6","3","7","1") = "6"
    & skf21("4","6","1","5","6","4","1","1") = "5"
    & skf21("4","6","1","5","6","4","2","1") = "5"
    & skf21("4","6","1","5","6","4","3","1") = "5"
    & skf21("4","6","1","5","6","4","4","1") = "5"
    & skf21("4","6","1","5","6","4","5","1") = "5"
    & skf21("4","6","1","5","6","4","6","1") = "5"
    & skf21("4","6","1","5","6","4","7","1") = "6"
    & skf21("4","6","1","5","6","5","1","1") = "5"
    & skf21("4","6","1","5","6","5","2","1") = "5"
    & skf21("4","6","1","5","6","5","3","1") = "5"
    & skf21("4","6","1","5","6","5","4","1") = "5"
    & skf21("4","6","1","5","6","5","5","1") = "5"
    & skf21("4","6","1","5","6","5","6","1") = "5"
    & skf21("4","6","1","5","6","5","7","1") = "6"
    & skf21("4","6","1","5","6","6","1","1") = "5"
    & skf21("4","6","1","5","6","6","2","1") = "5"
    & skf21("4","6","1","5","6","6","3","1") = "5"
    & skf21("4","6","1","5","6","6","4","1") = "5"
    & skf21("4","6","1","5","6","6","5","1") = "5"
    & skf21("4","6","1","5","6","6","6","1") = "5"
    & skf21("4","6","1","5","6","6","7","1") = "6"
    & skf21("4","6","1","5","6","7","1","1") = "6"
    & skf21("4","6","1","5","6","7","2","1") = "6"
    & skf21("4","6","1","5","6","7","3","1") = "6"
    & skf21("4","6","1","5","6","7","4","1") = "6"
    & skf21("4","6","1","5","6","7","5","1") = "6"
    & skf21("4","6","1","5","6","7","6","1") = "6"
    & skf21("4","6","1","5","6","7","7","1") = "6"
    & skf21("4","6","1","5","7","1","1","1") = "6"
    & skf21("4","6","1","5","7","1","2","1") = "6"
    & skf21("4","6","1","5","7","1","3","1") = "6"
    & skf21("4","6","1","5","7","1","4","1") = "6"
    & skf21("4","6","1","5","7","1","5","1") = "6"
    & skf21("4","6","1","5","7","1","6","1") = "6"
    & skf21("4","6","1","5","7","1","7","1") = "6"
    & skf21("4","6","1","5","7","2","1","1") = "6"
    & skf21("4","6","1","5","7","2","2","1") = "6"
    & skf21("4","6","1","5","7","2","3","1") = "6"
    & skf21("4","6","1","5","7","2","4","1") = "6"
    & skf21("4","6","1","5","7","2","5","1") = "6"
    & skf21("4","6","1","5","7","2","6","1") = "6"
    & skf21("4","6","1","5","7","2","7","1") = "6"
    & skf21("4","6","1","5","7","3","1","1") = "6"
    & skf21("4","6","1","5","7","3","2","1") = "6"
    & skf21("4","6","1","5","7","3","3","1") = "6"
    & skf21("4","6","1","5","7","3","4","1") = "6"
    & skf21("4","6","1","5","7","3","5","1") = "6"
    & skf21("4","6","1","5","7","3","6","1") = "6"
    & skf21("4","6","1","5","7","3","7","1") = "6"
    & skf21("4","6","1","5","7","4","1","1") = "6"
    & skf21("4","6","1","5","7","4","2","1") = "6"
    & skf21("4","6","1","5","7","4","3","1") = "6"
    & skf21("4","6","1","5","7","4","4","1") = "6"
    & skf21("4","6","1","5","7","4","5","1") = "6"
    & skf21("4","6","1","5","7","4","6","1") = "6"
    & skf21("4","6","1","5","7","4","7","1") = "6"
    & skf21("4","6","1","5","7","5","1","1") = "6"
    & skf21("4","6","1","5","7","5","2","1") = "6"
    & skf21("4","6","1","5","7","5","3","1") = "6"
    & skf21("4","6","1","5","7","5","4","1") = "6"
    & skf21("4","6","1","5","7","5","5","1") = "6"
    & skf21("4","6","1","5","7","5","6","1") = "6"
    & skf21("4","6","1","5","7","5","7","1") = "6"
    & skf21("4","6","1","5","7","6","1","1") = "6"
    & skf21("4","6","1","5","7","6","2","1") = "6"
    & skf21("4","6","1","5","7","6","3","1") = "6"
    & skf21("4","6","1","5","7","6","4","1") = "6"
    & skf21("4","6","1","5","7","6","5","1") = "6"
    & skf21("4","6","1","5","7","6","6","1") = "6"
    & skf21("4","6","1","5","7","6","7","1") = "6"
    & skf21("4","6","1","5","7","7","1","1") = "6"
    & skf21("4","6","1","5","7","7","2","1") = "6"
    & skf21("4","6","1","5","7","7","3","1") = "6"
    & skf21("4","6","1","5","7","7","4","1") = "6"
    & skf21("4","6","1","5","7","7","5","1") = "6"
    & skf21("4","6","1","5","7","7","6","1") = "6"
    & skf21("4","6","1","5","7","7","7","1") = "6"
    & skf21("4","6","1","6","1","1","1","1") = "5"
    & skf21("4","6","1","6","1","1","2","1") = "5"
    & skf21("4","6","1","6","1","1","3","1") = "5"
    & skf21("4","6","1","6","1","1","4","1") = "5"
    & skf21("4","6","1","6","1","1","5","1") = "5"
    & skf21("4","6","1","6","1","1","6","1") = "5"
    & skf21("4","6","1","6","1","1","7","1") = "6"
    & skf21("4","6","1","6","1","2","1","1") = "5"
    & skf21("4","6","1","6","1","2","2","1") = "5"
    & skf21("4","6","1","6","1","2","3","1") = "5"
    & skf21("4","6","1","6","1","2","4","1") = "5"
    & skf21("4","6","1","6","1","2","5","1") = "5"
    & skf21("4","6","1","6","1","2","6","1") = "5"
    & skf21("4","6","1","6","1","2","7","1") = "6"
    & skf21("4","6","1","6","1","3","1","1") = "5"
    & skf21("4","6","1","6","1","3","2","1") = "5"
    & skf21("4","6","1","6","1","3","3","1") = "5"
    & skf21("4","6","1","6","1","3","4","1") = "5"
    & skf21("4","6","1","6","1","3","5","1") = "5"
    & skf21("4","6","1","6","1","3","6","1") = "5"
    & skf21("4","6","1","6","1","3","7","1") = "6"
    & skf21("4","6","1","6","1","4","1","1") = "5"
    & skf21("4","6","1","6","1","4","2","1") = "5"
    & skf21("4","6","1","6","1","4","3","1") = "5"
    & skf21("4","6","1","6","1","4","4","1") = "5"
    & skf21("4","6","1","6","1","4","5","1") = "5"
    & skf21("4","6","1","6","1","4","6","1") = "5"
    & skf21("4","6","1","6","1","4","7","1") = "6"
    & skf21("4","6","1","6","1","5","1","1") = "5"
    & skf21("4","6","1","6","1","5","2","1") = "5"
    & skf21("4","6","1","6","1","5","3","1") = "5"
    & skf21("4","6","1","6","1","5","4","1") = "5"
    & skf21("4","6","1","6","1","5","5","1") = "5"
    & skf21("4","6","1","6","1","5","6","1") = "5"
    & skf21("4","6","1","6","1","5","7","1") = "6"
    & skf21("4","6","1","6","1","6","1","1") = "5"
    & skf21("4","6","1","6","1","6","2","1") = "5"
    & skf21("4","6","1","6","1","6","3","1") = "5"
    & skf21("4","6","1","6","1","6","4","1") = "5"
    & skf21("4","6","1","6","1","6","5","1") = "5"
    & skf21("4","6","1","6","1","6","6","1") = "5"
    & skf21("4","6","1","6","1","6","7","1") = "6"
    & skf21("4","6","1","6","1","7","1","1") = "6"
    & skf21("4","6","1","6","1","7","2","1") = "6"
    & skf21("4","6","1","6","1","7","3","1") = "6"
    & skf21("4","6","1","6","1","7","4","1") = "6"
    & skf21("4","6","1","6","1","7","5","1") = "6"
    & skf21("4","6","1","6","1","7","6","1") = "6"
    & skf21("4","6","1","6","1","7","7","1") = "6"
    & skf21("4","6","1","6","2","1","1","1") = "5"
    & skf21("4","6","1","6","2","1","2","1") = "5"
    & skf21("4","6","1","6","2","1","3","1") = "5"
    & skf21("4","6","1","6","2","1","4","1") = "5"
    & skf21("4","6","1","6","2","1","5","1") = "5"
    & skf21("4","6","1","6","2","1","6","1") = "5"
    & skf21("4","6","1","6","2","1","7","1") = "6"
    & skf21("4","6","1","6","2","2","1","1") = "5"
    & skf21("4","6","1","6","2","2","2","1") = "5"
    & skf21("4","6","1","6","2","2","3","1") = "5"
    & skf21("4","6","1","6","2","2","4","1") = "5"
    & skf21("4","6","1","6","2","2","5","1") = "5"
    & skf21("4","6","1","6","2","2","6","1") = "5"
    & skf21("4","6","1","6","2","2","7","1") = "6"
    & skf21("4","6","1","6","2","3","1","1") = "5"
    & skf21("4","6","1","6","2","3","2","1") = "5"
    & skf21("4","6","1","6","2","3","3","1") = "5"
    & skf21("4","6","1","6","2","3","4","1") = "5"
    & skf21("4","6","1","6","2","3","5","1") = "5"
    & skf21("4","6","1","6","2","3","6","1") = "5"
    & skf21("4","6","1","6","2","3","7","1") = "6"
    & skf21("4","6","1","6","2","4","1","1") = "5"
    & skf21("4","6","1","6","2","4","2","1") = "5"
    & skf21("4","6","1","6","2","4","3","1") = "5"
    & skf21("4","6","1","6","2","4","4","1") = "5"
    & skf21("4","6","1","6","2","4","5","1") = "5"
    & skf21("4","6","1","6","2","4","6","1") = "5"
    & skf21("4","6","1","6","2","4","7","1") = "6"
    & skf21("4","6","1","6","2","5","1","1") = "5"
    & skf21("4","6","1","6","2","5","2","1") = "5"
    & skf21("4","6","1","6","2","5","3","1") = "5"
    & skf21("4","6","1","6","2","5","4","1") = "5"
    & skf21("4","6","1","6","2","5","5","1") = "5"
    & skf21("4","6","1","6","2","5","6","1") = "5"
    & skf21("4","6","1","6","2","5","7","1") = "6"
    & skf21("4","6","1","6","2","6","1","1") = "5"
    & skf21("4","6","1","6","2","6","2","1") = "5"
    & skf21("4","6","1","6","2","6","3","1") = "5"
    & skf21("4","6","1","6","2","6","4","1") = "5"
    & skf21("4","6","1","6","2","6","5","1") = "5"
    & skf21("4","6","1","6","2","6","6","1") = "5"
    & skf21("4","6","1","6","2","6","7","1") = "6"
    & skf21("4","6","1","6","2","7","1","1") = "6"
    & skf21("4","6","1","6","2","7","2","1") = "6"
    & skf21("4","6","1","6","2","7","3","1") = "6"
    & skf21("4","6","1","6","2","7","4","1") = "6"
    & skf21("4","6","1","6","2","7","5","1") = "6"
    & skf21("4","6","1","6","2","7","6","1") = "6"
    & skf21("4","6","1","6","2","7","7","1") = "6"
    & skf21("4","6","1","6","3","1","1","1") = "5"
    & skf21("4","6","1","6","3","1","2","1") = "5"
    & skf21("4","6","1","6","3","1","3","1") = "5"
    & skf21("4","6","1","6","3","1","4","1") = "5"
    & skf21("4","6","1","6","3","1","5","1") = "5"
    & skf21("4","6","1","6","3","1","6","1") = "5"
    & skf21("4","6","1","6","3","1","7","1") = "6"
    & skf21("4","6","1","6","3","2","1","1") = "5"
    & skf21("4","6","1","6","3","2","2","1") = "5"
    & skf21("4","6","1","6","3","2","3","1") = "5"
    & skf21("4","6","1","6","3","2","4","1") = "5"
    & skf21("4","6","1","6","3","2","5","1") = "5"
    & skf21("4","6","1","6","3","2","6","1") = "5"
    & skf21("4","6","1","6","3","2","7","1") = "6"
    & skf21("4","6","1","6","3","3","1","1") = "5"
    & skf21("4","6","1","6","3","3","2","1") = "5"
    & skf21("4","6","1","6","3","3","3","1") = "5"
    & skf21("4","6","1","6","3","3","4","1") = "5"
    & skf21("4","6","1","6","3","3","5","1") = "5"
    & skf21("4","6","1","6","3","3","6","1") = "5"
    & skf21("4","6","1","6","3","3","7","1") = "6"
    & skf21("4","6","1","6","3","4","1","1") = "5"
    & skf21("4","6","1","6","3","4","2","1") = "5"
    & skf21("4","6","1","6","3","4","3","1") = "5"
    & skf21("4","6","1","6","3","4","4","1") = "5"
    & skf21("4","6","1","6","3","4","5","1") = "5"
    & skf21("4","6","1","6","3","4","6","1") = "5"
    & skf21("4","6","1","6","3","4","7","1") = "6"
    & skf21("4","6","1","6","3","5","1","1") = "5"
    & skf21("4","6","1","6","3","5","2","1") = "5"
    & skf21("4","6","1","6","3","5","3","1") = "5"
    & skf21("4","6","1","6","3","5","4","1") = "5"
    & skf21("4","6","1","6","3","5","5","1") = "5"
    & skf21("4","6","1","6","3","5","6","1") = "5"
    & skf21("4","6","1","6","3","5","7","1") = "6"
    & skf21("4","6","1","6","3","6","1","1") = "5"
    & skf21("4","6","1","6","3","6","2","1") = "5"
    & skf21("4","6","1","6","3","6","3","1") = "5"
    & skf21("4","6","1","6","3","6","4","1") = "5"
    & skf21("4","6","1","6","3","6","5","1") = "5"
    & skf21("4","6","1","6","3","6","6","1") = "5"
    & skf21("4","6","1","6","3","6","7","1") = "6"
    & skf21("4","6","1","6","3","7","1","1") = "6"
    & skf21("4","6","1","6","3","7","2","1") = "6"
    & skf21("4","6","1","6","3","7","3","1") = "6"
    & skf21("4","6","1","6","3","7","4","1") = "6"
    & skf21("4","6","1","6","3","7","5","1") = "6"
    & skf21("4","6","1","6","3","7","6","1") = "6"
    & skf21("4","6","1","6","3","7","7","1") = "6"
    & skf21("4","6","1","6","4","1","1","1") = "5"
    & skf21("4","6","1","6","4","1","2","1") = "5"
    & skf21("4","6","1","6","4","1","3","1") = "5"
    & skf21("4","6","1","6","4","1","4","1") = "5"
    & skf21("4","6","1","6","4","1","5","1") = "5"
    & skf21("4","6","1","6","4","1","6","1") = "5"
    & skf21("4","6","1","6","4","1","7","1") = "6"
    & skf21("4","6","1","6","4","2","1","1") = "5"
    & skf21("4","6","1","6","4","2","2","1") = "5"
    & skf21("4","6","1","6","4","2","3","1") = "5"
    & skf21("4","6","1","6","4","2","4","1") = "5"
    & skf21("4","6","1","6","4","2","5","1") = "5"
    & skf21("4","6","1","6","4","2","6","1") = "5"
    & skf21("4","6","1","6","4","2","7","1") = "6"
    & skf21("4","6","1","6","4","3","1","1") = "5"
    & skf21("4","6","1","6","4","3","2","1") = "5"
    & skf21("4","6","1","6","4","3","3","1") = "5"
    & skf21("4","6","1","6","4","3","4","1") = "5"
    & skf21("4","6","1","6","4","3","5","1") = "5"
    & skf21("4","6","1","6","4","3","6","1") = "5"
    & skf21("4","6","1","6","4","3","7","1") = "6"
    & skf21("4","6","1","6","4","4","1","1") = "5"
    & skf21("4","6","1","6","4","4","2","1") = "5"
    & skf21("4","6","1","6","4","4","3","1") = "5"
    & skf21("4","6","1","6","4","4","4","1") = "5"
    & skf21("4","6","1","6","4","4","5","1") = "5"
    & skf21("4","6","1","6","4","4","6","1") = "5"
    & skf21("4","6","1","6","4","4","7","1") = "6"
    & skf21("4","6","1","6","4","5","1","1") = "5"
    & skf21("4","6","1","6","4","5","2","1") = "5"
    & skf21("4","6","1","6","4","5","3","1") = "5"
    & skf21("4","6","1","6","4","5","4","1") = "5"
    & skf21("4","6","1","6","4","5","5","1") = "5"
    & skf21("4","6","1","6","4","5","6","1") = "5"
    & skf21("4","6","1","6","4","5","7","1") = "6"
    & skf21("4","6","1","6","4","6","1","1") = "5"
    & skf21("4","6","1","6","4","6","2","1") = "5"
    & skf21("4","6","1","6","4","6","3","1") = "5"
    & skf21("4","6","1","6","4","6","4","1") = "5"
    & skf21("4","6","1","6","4","6","5","1") = "5"
    & skf21("4","6","1","6","4","6","6","1") = "5"
    & skf21("4","6","1","6","4","6","7","1") = "6"
    & skf21("4","6","1","6","4","7","1","1") = "6"
    & skf21("4","6","1","6","4","7","2","1") = "6"
    & skf21("4","6","1","6","4","7","3","1") = "6"
    & skf21("4","6","1","6","4","7","4","1") = "6"
    & skf21("4","6","1","6","4","7","5","1") = "6"
    & skf21("4","6","1","6","4","7","6","1") = "6"
    & skf21("4","6","1","6","4","7","7","1") = "6"
    & skf21("4","6","1","6","5","1","1","1") = "5"
    & skf21("4","6","1","6","5","1","2","1") = "5"
    & skf21("4","6","1","6","5","1","3","1") = "5"
    & skf21("4","6","1","6","5","1","4","1") = "5"
    & skf21("4","6","1","6","5","1","5","1") = "5"
    & skf21("4","6","1","6","5","1","6","1") = "5"
    & skf21("4","6","1","6","5","1","7","1") = "6"
    & skf21("4","6","1","6","5","2","1","1") = "5"
    & skf21("4","6","1","6","5","2","2","1") = "5"
    & skf21("4","6","1","6","5","2","3","1") = "5"
    & skf21("4","6","1","6","5","2","4","1") = "5"
    & skf21("4","6","1","6","5","2","5","1") = "5"
    & skf21("4","6","1","6","5","2","6","1") = "5"
    & skf21("4","6","1","6","5","2","7","1") = "6"
    & skf21("4","6","1","6","5","3","1","1") = "5"
    & skf21("4","6","1","6","5","3","2","1") = "5"
    & skf21("4","6","1","6","5","3","3","1") = "5"
    & skf21("4","6","1","6","5","3","4","1") = "5"
    & skf21("4","6","1","6","5","3","5","1") = "5"
    & skf21("4","6","1","6","5","3","6","1") = "5"
    & skf21("4","6","1","6","5","3","7","1") = "6"
    & skf21("4","6","1","6","5","4","1","1") = "5"
    & skf21("4","6","1","6","5","4","2","1") = "5"
    & skf21("4","6","1","6","5","4","3","1") = "5"
    & skf21("4","6","1","6","5","4","4","1") = "5"
    & skf21("4","6","1","6","5","4","5","1") = "5"
    & skf21("4","6","1","6","5","4","6","1") = "5"
    & skf21("4","6","1","6","5","4","7","1") = "6"
    & skf21("4","6","1","6","5","5","1","1") = "5"
    & skf21("4","6","1","6","5","5","2","1") = "5"
    & skf21("4","6","1","6","5","5","3","1") = "5"
    & skf21("4","6","1","6","5","5","4","1") = "5"
    & skf21("4","6","1","6","5","5","5","1") = "5"
    & skf21("4","6","1","6","5","5","6","1") = "5"
    & skf21("4","6","1","6","5","5","7","1") = "6"
    & skf21("4","6","1","6","5","6","1","1") = "5"
    & skf21("4","6","1","6","5","6","2","1") = "5"
    & skf21("4","6","1","6","5","6","3","1") = "5"
    & skf21("4","6","1","6","5","6","4","1") = "5"
    & skf21("4","6","1","6","5","6","5","1") = "5"
    & skf21("4","6","1","6","5","6","6","1") = "5"
    & skf21("4","6","1","6","5","6","7","1") = "6"
    & skf21("4","6","1","6","5","7","1","1") = "6"
    & skf21("4","6","1","6","5","7","2","1") = "6"
    & skf21("4","6","1","6","5","7","3","1") = "6"
    & skf21("4","6","1","6","5","7","4","1") = "6"
    & skf21("4","6","1","6","5","7","5","1") = "6"
    & skf21("4","6","1","6","5","7","6","1") = "6"
    & skf21("4","6","1","6","5","7","7","1") = "6"
    & skf21("4","6","1","6","6","1","1","1") = "5"
    & skf21("4","6","1","6","6","1","2","1") = "5"
    & skf21("4","6","1","6","6","1","3","1") = "5"
    & skf21("4","6","1","6","6","1","4","1") = "5"
    & skf21("4","6","1","6","6","1","5","1") = "5"
    & skf21("4","6","1","6","6","1","6","1") = "5"
    & skf21("4","6","1","6","6","1","7","1") = "6"
    & skf21("4","6","1","6","6","2","1","1") = "5"
    & skf21("4","6","1","6","6","2","2","1") = "5"
    & skf21("4","6","1","6","6","2","3","1") = "5"
    & skf21("4","6","1","6","6","2","4","1") = "5"
    & skf21("4","6","1","6","6","2","5","1") = "5"
    & skf21("4","6","1","6","6","2","6","1") = "5"
    & skf21("4","6","1","6","6","2","7","1") = "6"
    & skf21("4","6","1","6","6","3","1","1") = "5"
    & skf21("4","6","1","6","6","3","2","1") = "5"
    & skf21("4","6","1","6","6","3","3","1") = "5"
    & skf21("4","6","1","6","6","3","4","1") = "5"
    & skf21("4","6","1","6","6","3","5","1") = "5"
    & skf21("4","6","1","6","6","3","6","1") = "5"
    & skf21("4","6","1","6","6","3","7","1") = "6"
    & skf21("4","6","1","6","6","4","1","1") = "5"
    & skf21("4","6","1","6","6","4","2","1") = "5"
    & skf21("4","6","1","6","6","4","3","1") = "5"
    & skf21("4","6","1","6","6","4","4","1") = "5"
    & skf21("4","6","1","6","6","4","5","1") = "5"
    & skf21("4","6","1","6","6","4","6","1") = "5"
    & skf21("4","6","1","6","6","4","7","1") = "6"
    & skf21("4","6","1","6","6","5","1","1") = "5"
    & skf21("4","6","1","6","6","5","2","1") = "5"
    & skf21("4","6","1","6","6","5","3","1") = "5"
    & skf21("4","6","1","6","6","5","4","1") = "5"
    & skf21("4","6","1","6","6","5","5","1") = "5"
    & skf21("4","6","1","6","6","5","6","1") = "5"
    & skf21("4","6","1","6","6","5","7","1") = "6"
    & skf21("4","6","1","6","6","6","1","1") = "5"
    & skf21("4","6","1","6","6","6","2","1") = "5"
    & skf21("4","6","1","6","6","6","3","1") = "5"
    & skf21("4","6","1","6","6","6","4","1") = "5"
    & skf21("4","6","1","6","6","6","5","1") = "5"
    & skf21("4","6","1","6","6","6","6","1") = "5"
    & skf21("4","6","1","6","6","6","7","1") = "6"
    & skf21("4","6","1","6","6","7","1","1") = "6"
    & skf21("4","6","1","6","6","7","2","1") = "6"
    & skf21("4","6","1","6","6","7","3","1") = "6"
    & skf21("4","6","1","6","6","7","4","1") = "6"
    & skf21("4","6","1","6","6","7","5","1") = "6"
    & skf21("4","6","1","6","6","7","6","1") = "6"
    & skf21("4","6","1","6","6","7","7","1") = "6"
    & skf21("4","6","1","6","7","1","1","1") = "6"
    & skf21("4","6","1","6","7","1","2","1") = "6"
    & skf21("4","6","1","6","7","1","3","1") = "6"
    & skf21("4","6","1","6","7","1","4","1") = "6"
    & skf21("4","6","1","6","7","1","5","1") = "6"
    & skf21("4","6","1","6","7","1","6","1") = "6"
    & skf21("4","6","1","6","7","1","7","1") = "6"
    & skf21("4","6","1","6","7","2","1","1") = "6"
    & skf21("4","6","1","6","7","2","2","1") = "6"
    & skf21("4","6","1","6","7","2","3","1") = "6"
    & skf21("4","6","1","6","7","2","4","1") = "6"
    & skf21("4","6","1","6","7","2","5","1") = "6"
    & skf21("4","6","1","6","7","2","6","1") = "6"
    & skf21("4","6","1","6","7","2","7","1") = "6"
    & skf21("4","6","1","6","7","3","1","1") = "6"
    & skf21("4","6","1","6","7","3","2","1") = "6"
    & skf21("4","6","1","6","7","3","3","1") = "6"
    & skf21("4","6","1","6","7","3","4","1") = "6"
    & skf21("4","6","1","6","7","3","5","1") = "6"
    & skf21("4","6","1","6","7","3","6","1") = "6"
    & skf21("4","6","1","6","7","3","7","1") = "6"
    & skf21("4","6","1","6","7","4","1","1") = "6"
    & skf21("4","6","1","6","7","4","2","1") = "6"
    & skf21("4","6","1","6","7","4","3","1") = "6"
    & skf21("4","6","1","6","7","4","4","1") = "6"
    & skf21("4","6","1","6","7","4","5","1") = "6"
    & skf21("4","6","1","6","7","4","6","1") = "6"
    & skf21("4","6","1","6","7","4","7","1") = "6"
    & skf21("4","6","1","6","7","5","1","1") = "6"
    & skf21("4","6","1","6","7","5","2","1") = "6"
    & skf21("4","6","1","6","7","5","3","1") = "6"
    & skf21("4","6","1","6","7","5","4","1") = "6"
    & skf21("4","6","1","6","7","5","5","1") = "6"
    & skf21("4","6","1","6","7","5","6","1") = "6"
    & skf21("4","6","1","6","7","5","7","1") = "6"
    & skf21("4","6","1","6","7","6","1","1") = "6"
    & skf21("4","6","1","6","7","6","2","1") = "6"
    & skf21("4","6","1","6","7","6","3","1") = "6"
    & skf21("4","6","1","6","7","6","4","1") = "6"
    & skf21("4","6","1","6","7","6","5","1") = "6"
    & skf21("4","6","1","6","7","6","6","1") = "6"
    & skf21("4","6","1","6","7","6","7","1") = "6"
    & skf21("4","6","1","6","7","7","1","1") = "6"
    & skf21("4","6","1","6","7","7","2","1") = "6"
    & skf21("4","6","1","6","7","7","3","1") = "6"
    & skf21("4","6","1","6","7","7","4","1") = "6"
    & skf21("4","6","1","6","7","7","5","1") = "6"
    & skf21("4","6","1","6","7","7","6","1") = "6"
    & skf21("4","6","1","6","7","7","7","1") = "6"
    & skf21("4","6","1","7","1","1","1","1") = "6"
    & skf21("4","6","1","7","1","1","2","1") = "6"
    & skf21("4","6","1","7","1","1","3","1") = "6"
    & skf21("4","6","1","7","1","1","4","1") = "6"
    & skf21("4","6","1","7","1","1","5","1") = "6"
    & skf21("4","6","1","7","1","1","6","1") = "6"
    & skf21("4","6","1","7","1","1","7","1") = "6"
    & skf21("4","6","1","7","1","2","1","1") = "6"
    & skf21("4","6","1","7","1","2","2","1") = "6"
    & skf21("4","6","1","7","1","2","3","1") = "6"
    & skf21("4","6","1","7","1","2","4","1") = "6"
    & skf21("4","6","1","7","1","2","5","1") = "6"
    & skf21("4","6","1","7","1","2","6","1") = "6"
    & skf21("4","6","1","7","1","2","7","1") = "6"
    & skf21("4","6","1","7","1","3","1","1") = "6"
    & skf21("4","6","1","7","1","3","2","1") = "6"
    & skf21("4","6","1","7","1","3","3","1") = "6"
    & skf21("4","6","1","7","1","3","4","1") = "6"
    & skf21("4","6","1","7","1","3","5","1") = "6"
    & skf21("4","6","1","7","1","3","6","1") = "6"
    & skf21("4","6","1","7","1","3","7","1") = "6"
    & skf21("4","6","1","7","1","4","1","1") = "6"
    & skf21("4","6","1","7","1","4","2","1") = "6"
    & skf21("4","6","1","7","1","4","3","1") = "6"
    & skf21("4","6","1","7","1","4","4","1") = "6"
    & skf21("4","6","1","7","1","4","5","1") = "6"
    & skf21("4","6","1","7","1","4","6","1") = "6"
    & skf21("4","6","1","7","1","4","7","1") = "6"
    & skf21("4","6","1","7","1","5","1","1") = "6"
    & skf21("4","6","1","7","1","5","2","1") = "6"
    & skf21("4","6","1","7","1","5","3","1") = "6"
    & skf21("4","6","1","7","1","5","4","1") = "6"
    & skf21("4","6","1","7","1","5","5","1") = "6"
    & skf21("4","6","1","7","1","5","6","1") = "6"
    & skf21("4","6","1","7","1","5","7","1") = "6"
    & skf21("4","6","1","7","1","6","1","1") = "6"
    & skf21("4","6","1","7","1","6","2","1") = "6"
    & skf21("4","6","1","7","1","6","3","1") = "6"
    & skf21("4","6","1","7","1","6","4","1") = "6"
    & skf21("4","6","1","7","1","6","5","1") = "6"
    & skf21("4","6","1","7","1","6","6","1") = "6"
    & skf21("4","6","1","7","1","6","7","1") = "6"
    & skf21("4","6","1","7","1","7","1","1") = "6"
    & skf21("4","6","1","7","1","7","2","1") = "6"
    & skf21("4","6","1","7","1","7","3","1") = "6"
    & skf21("4","6","1","7","1","7","4","1") = "6"
    & skf21("4","6","1","7","1","7","5","1") = "6"
    & skf21("4","6","1","7","1","7","6","1") = "6"
    & skf21("4","6","1","7","1","7","7","1") = "6"
    & skf21("4","6","1","7","2","1","1","1") = "6"
    & skf21("4","6","1","7","2","1","2","1") = "6"
    & skf21("4","6","1","7","2","1","3","1") = "6"
    & skf21("4","6","1","7","2","1","4","1") = "6"
    & skf21("4","6","1","7","2","1","5","1") = "6"
    & skf21("4","6","1","7","2","1","6","1") = "6"
    & skf21("4","6","1","7","2","1","7","1") = "6"
    & skf21("4","6","1","7","2","2","1","1") = "6"
    & skf21("4","6","1","7","2","2","2","1") = "6"
    & skf21("4","6","1","7","2","2","3","1") = "6"
    & skf21("4","6","1","7","2","2","4","1") = "6"
    & skf21("4","6","1","7","2","2","5","1") = "6"
    & skf21("4","6","1","7","2","2","6","1") = "6"
    & skf21("4","6","1","7","2","2","7","1") = "6"
    & skf21("4","6","1","7","2","3","1","1") = "6"
    & skf21("4","6","1","7","2","3","2","1") = "6"
    & skf21("4","6","1","7","2","3","3","1") = "6"
    & skf21("4","6","1","7","2","3","4","1") = "6"
    & skf21("4","6","1","7","2","3","5","1") = "6"
    & skf21("4","6","1","7","2","3","6","1") = "6"
    & skf21("4","6","1","7","2","3","7","1") = "6"
    & skf21("4","6","1","7","2","4","1","1") = "6"
    & skf21("4","6","1","7","2","4","2","1") = "6"
    & skf21("4","6","1","7","2","4","3","1") = "6"
    & skf21("4","6","1","7","2","4","4","1") = "6"
    & skf21("4","6","1","7","2","4","5","1") = "6"
    & skf21("4","6","1","7","2","4","6","1") = "6"
    & skf21("4","6","1","7","2","4","7","1") = "6"
    & skf21("4","6","1","7","2","5","1","1") = "6"
    & skf21("4","6","1","7","2","5","2","1") = "6"
    & skf21("4","6","1","7","2","5","3","1") = "6"
    & skf21("4","6","1","7","2","5","4","1") = "6"
    & skf21("4","6","1","7","2","5","5","1") = "6"
    & skf21("4","6","1","7","2","5","6","1") = "6"
    & skf21("4","6","1","7","2","5","7","1") = "6"
    & skf21("4","6","1","7","2","6","1","1") = "6"
    & skf21("4","6","1","7","2","6","2","1") = "6"
    & skf21("4","6","1","7","2","6","3","1") = "6"
    & skf21("4","6","1","7","2","6","4","1") = "6"
    & skf21("4","6","1","7","2","6","5","1") = "6"
    & skf21("4","6","1","7","2","6","6","1") = "6"
    & skf21("4","6","1","7","2","6","7","1") = "6"
    & skf21("4","6","1","7","2","7","1","1") = "6"
    & skf21("4","6","1","7","2","7","2","1") = "6"
    & skf21("4","6","1","7","2","7","3","1") = "6"
    & skf21("4","6","1","7","2","7","4","1") = "6"
    & skf21("4","6","1","7","2","7","5","1") = "6"
    & skf21("4","6","1","7","2","7","6","1") = "6"
    & skf21("4","6","1","7","2","7","7","1") = "6"
    & skf21("4","6","1","7","3","1","1","1") = "6"
    & skf21("4","6","1","7","3","1","2","1") = "6"
    & skf21("4","6","1","7","3","1","3","1") = "6"
    & skf21("4","6","1","7","3","1","4","1") = "6"
    & skf21("4","6","1","7","3","1","5","1") = "6"
    & skf21("4","6","1","7","3","1","6","1") = "6"
    & skf21("4","6","1","7","3","1","7","1") = "6"
    & skf21("4","6","1","7","3","2","1","1") = "6"
    & skf21("4","6","1","7","3","2","2","1") = "6"
    & skf21("4","6","1","7","3","2","3","1") = "6"
    & skf21("4","6","1","7","3","2","4","1") = "6"
    & skf21("4","6","1","7","3","2","5","1") = "6"
    & skf21("4","6","1","7","3","2","6","1") = "6"
    & skf21("4","6","1","7","3","2","7","1") = "6"
    & skf21("4","6","1","7","3","3","1","1") = "6"
    & skf21("4","6","1","7","3","3","2","1") = "6"
    & skf21("4","6","1","7","3","3","3","1") = "6"
    & skf21("4","6","1","7","3","3","4","1") = "6"
    & skf21("4","6","1","7","3","3","5","1") = "6"
    & skf21("4","6","1","7","3","3","6","1") = "6"
    & skf21("4","6","1","7","3","3","7","1") = "6"
    & skf21("4","6","1","7","3","4","1","1") = "6"
    & skf21("4","6","1","7","3","4","2","1") = "6"
    & skf21("4","6","1","7","3","4","3","1") = "6"
    & skf21("4","6","1","7","3","4","4","1") = "6"
    & skf21("4","6","1","7","3","4","5","1") = "6"
    & skf21("4","6","1","7","3","4","6","1") = "6"
    & skf21("4","6","1","7","3","4","7","1") = "6"
    & skf21("4","6","1","7","3","5","1","1") = "6"
    & skf21("4","6","1","7","3","5","2","1") = "6"
    & skf21("4","6","1","7","3","5","3","1") = "6"
    & skf21("4","6","1","7","3","5","4","1") = "6"
    & skf21("4","6","1","7","3","5","5","1") = "6"
    & skf21("4","6","1","7","3","5","6","1") = "6"
    & skf21("4","6","1","7","3","5","7","1") = "6"
    & skf21("4","6","1","7","3","6","1","1") = "6"
    & skf21("4","6","1","7","3","6","2","1") = "6"
    & skf21("4","6","1","7","3","6","3","1") = "6"
    & skf21("4","6","1","7","3","6","4","1") = "6"
    & skf21("4","6","1","7","3","6","5","1") = "6"
    & skf21("4","6","1","7","3","6","6","1") = "6"
    & skf21("4","6","1","7","3","6","7","1") = "6"
    & skf21("4","6","1","7","3","7","1","1") = "6"
    & skf21("4","6","1","7","3","7","2","1") = "6"
    & skf21("4","6","1","7","3","7","3","1") = "6"
    & skf21("4","6","1","7","3","7","4","1") = "6"
    & skf21("4","6","1","7","3","7","5","1") = "6"
    & skf21("4","6","1","7","3","7","6","1") = "6"
    & skf21("4","6","1","7","3","7","7","1") = "6"
    & skf21("4","6","1","7","4","1","1","1") = "6"
    & skf21("4","6","1","7","4","1","2","1") = "6"
    & skf21("4","6","1","7","4","1","3","1") = "6"
    & skf21("4","6","1","7","4","1","4","1") = "6"
    & skf21("4","6","1","7","4","1","5","1") = "6"
    & skf21("4","6","1","7","4","1","6","1") = "6"
    & skf21("4","6","1","7","4","1","7","1") = "6"
    & skf21("4","6","1","7","4","2","1","1") = "6"
    & skf21("4","6","1","7","4","2","2","1") = "6"
    & skf21("4","6","1","7","4","2","3","1") = "6"
    & skf21("4","6","1","7","4","2","4","1") = "6"
    & skf21("4","6","1","7","4","2","5","1") = "6"
    & skf21("4","6","1","7","4","2","6","1") = "6"
    & skf21("4","6","1","7","4","2","7","1") = "6"
    & skf21("4","6","1","7","4","3","1","1") = "6"
    & skf21("4","6","1","7","4","3","2","1") = "6"
    & skf21("4","6","1","7","4","3","3","1") = "6"
    & skf21("4","6","1","7","4","3","4","1") = "6"
    & skf21("4","6","1","7","4","3","5","1") = "6"
    & skf21("4","6","1","7","4","3","6","1") = "6"
    & skf21("4","6","1","7","4","3","7","1") = "6"
    & skf21("4","6","1","7","4","4","1","1") = "6"
    & skf21("4","6","1","7","4","4","2","1") = "6"
    & skf21("4","6","1","7","4","4","3","1") = "6"
    & skf21("4","6","1","7","4","4","4","1") = "6"
    & skf21("4","6","1","7","4","4","5","1") = "6"
    & skf21("4","6","1","7","4","4","6","1") = "6"
    & skf21("4","6","1","7","4","4","7","1") = "6"
    & skf21("4","6","1","7","4","5","1","1") = "6"
    & skf21("4","6","1","7","4","5","2","1") = "6"
    & skf21("4","6","1","7","4","5","3","1") = "6"
    & skf21("4","6","1","7","4","5","4","1") = "6"
    & skf21("4","6","1","7","4","5","5","1") = "6"
    & skf21("4","6","1","7","4","5","6","1") = "6"
    & skf21("4","6","1","7","4","5","7","1") = "6"
    & skf21("4","6","1","7","4","6","1","1") = "6"
    & skf21("4","6","1","7","4","6","2","1") = "6"
    & skf21("4","6","1","7","4","6","3","1") = "6"
    & skf21("4","6","1","7","4","6","4","1") = "6"
    & skf21("4","6","1","7","4","6","5","1") = "6"
    & skf21("4","6","1","7","4","6","6","1") = "6"
    & skf21("4","6","1","7","4","6","7","1") = "6"
    & skf21("4","6","1","7","4","7","1","1") = "6"
    & skf21("4","6","1","7","4","7","2","1") = "6"
    & skf21("4","6","1","7","4","7","3","1") = "6"
    & skf21("4","6","1","7","4","7","4","1") = "6"
    & skf21("4","6","1","7","4","7","5","1") = "6"
    & skf21("4","6","1","7","4","7","6","1") = "6"
    & skf21("4","6","1","7","4","7","7","1") = "6"
    & skf21("4","6","1","7","5","1","1","1") = "6"
    & skf21("4","6","1","7","5","1","2","1") = "6"
    & skf21("4","6","1","7","5","1","3","1") = "6"
    & skf21("4","6","1","7","5","1","4","1") = "6"
    & skf21("4","6","1","7","5","1","5","1") = "6"
    & skf21("4","6","1","7","5","1","6","1") = "6"
    & skf21("4","6","1","7","5","1","7","1") = "6"
    & skf21("4","6","1","7","5","2","1","1") = "6"
    & skf21("4","6","1","7","5","2","2","1") = "6"
    & skf21("4","6","1","7","5","2","3","1") = "6"
    & skf21("4","6","1","7","5","2","4","1") = "6"
    & skf21("4","6","1","7","5","2","5","1") = "6"
    & skf21("4","6","1","7","5","2","6","1") = "6"
    & skf21("4","6","1","7","5","2","7","1") = "6"
    & skf21("4","6","1","7","5","3","1","1") = "6"
    & skf21("4","6","1","7","5","3","2","1") = "6"
    & skf21("4","6","1","7","5","3","3","1") = "6"
    & skf21("4","6","1","7","5","3","4","1") = "6"
    & skf21("4","6","1","7","5","3","5","1") = "6"
    & skf21("4","6","1","7","5","3","6","1") = "6"
    & skf21("4","6","1","7","5","3","7","1") = "6"
    & skf21("4","6","1","7","5","4","1","1") = "6"
    & skf21("4","6","1","7","5","4","2","1") = "6"
    & skf21("4","6","1","7","5","4","3","1") = "6"
    & skf21("4","6","1","7","5","4","4","1") = "6"
    & skf21("4","6","1","7","5","4","5","1") = "6"
    & skf21("4","6","1","7","5","4","6","1") = "6"
    & skf21("4","6","1","7","5","4","7","1") = "6"
    & skf21("4","6","1","7","5","5","1","1") = "6"
    & skf21("4","6","1","7","5","5","2","1") = "6"
    & skf21("4","6","1","7","5","5","3","1") = "6"
    & skf21("4","6","1","7","5","5","4","1") = "6"
    & skf21("4","6","1","7","5","5","5","1") = "6"
    & skf21("4","6","1","7","5","5","6","1") = "6"
    & skf21("4","6","1","7","5","5","7","1") = "6"
    & skf21("4","6","1","7","5","6","1","1") = "6"
    & skf21("4","6","1","7","5","6","2","1") = "6"
    & skf21("4","6","1","7","5","6","3","1") = "6"
    & skf21("4","6","1","7","5","6","4","1") = "6"
    & skf21("4","6","1","7","5","6","5","1") = "6"
    & skf21("4","6","1","7","5","6","6","1") = "6"
    & skf21("4","6","1","7","5","6","7","1") = "6"
    & skf21("4","6","1","7","5","7","1","1") = "6"
    & skf21("4","6","1","7","5","7","2","1") = "6"
    & skf21("4","6","1","7","5","7","3","1") = "6"
    & skf21("4","6","1","7","5","7","4","1") = "6"
    & skf21("4","6","1","7","5","7","5","1") = "6"
    & skf21("4","6","1","7","5","7","6","1") = "6"
    & skf21("4","6","1","7","5","7","7","1") = "6"
    & skf21("4","6","1","7","6","1","1","1") = "6"
    & skf21("4","6","1","7","6","1","2","1") = "6"
    & skf21("4","6","1","7","6","1","3","1") = "6"
    & skf21("4","6","1","7","6","1","4","1") = "6"
    & skf21("4","6","1","7","6","1","5","1") = "6"
    & skf21("4","6","1","7","6","1","6","1") = "6"
    & skf21("4","6","1","7","6","1","7","1") = "6"
    & skf21("4","6","1","7","6","2","1","1") = "6"
    & skf21("4","6","1","7","6","2","2","1") = "6"
    & skf21("4","6","1","7","6","2","3","1") = "6"
    & skf21("4","6","1","7","6","2","4","1") = "6"
    & skf21("4","6","1","7","6","2","5","1") = "6"
    & skf21("4","6","1","7","6","2","6","1") = "6"
    & skf21("4","6","1","7","6","2","7","1") = "6"
    & skf21("4","6","1","7","6","3","1","1") = "6"
    & skf21("4","6","1","7","6","3","2","1") = "6"
    & skf21("4","6","1","7","6","3","3","1") = "6"
    & skf21("4","6","1","7","6","3","4","1") = "6"
    & skf21("4","6","1","7","6","3","5","1") = "6"
    & skf21("4","6","1","7","6","3","6","1") = "6"
    & skf21("4","6","1","7","6","3","7","1") = "6"
    & skf21("4","6","1","7","6","4","1","1") = "6"
    & skf21("4","6","1","7","6","4","2","1") = "6"
    & skf21("4","6","1","7","6","4","3","1") = "6"
    & skf21("4","6","1","7","6","4","4","1") = "6"
    & skf21("4","6","1","7","6","4","5","1") = "6"
    & skf21("4","6","1","7","6","4","6","1") = "6"
    & skf21("4","6","1","7","6","4","7","1") = "6"
    & skf21("4","6","1","7","6","5","1","1") = "6"
    & skf21("4","6","1","7","6","5","2","1") = "6"
    & skf21("4","6","1","7","6","5","3","1") = "6"
    & skf21("4","6","1","7","6","5","4","1") = "6"
    & skf21("4","6","1","7","6","5","5","1") = "6"
    & skf21("4","6","1","7","6","5","6","1") = "6"
    & skf21("4","6","1","7","6","5","7","1") = "6"
    & skf21("4","6","1","7","6","6","1","1") = "6"
    & skf21("4","6","1","7","6","6","2","1") = "6"
    & skf21("4","6","1","7","6","6","3","1") = "6"
    & skf21("4","6","1","7","6","6","4","1") = "6"
    & skf21("4","6","1","7","6","6","5","1") = "6"
    & skf21("4","6","1","7","6","6","6","1") = "6"
    & skf21("4","6","1","7","6","6","7","1") = "6"
    & skf21("4","6","1","7","6","7","1","1") = "6"
    & skf21("4","6","1","7","6","7","2","1") = "6"
    & skf21("4","6","1","7","6","7","3","1") = "6"
    & skf21("4","6","1","7","6","7","4","1") = "6"
    & skf21("4","6","1","7","6","7","5","1") = "6"
    & skf21("4","6","1","7","6","7","6","1") = "6"
    & skf21("4","6","1","7","6","7","7","1") = "6"
    & skf21("4","6","1","7","7","1","1","1") = "6"
    & skf21("4","6","1","7","7","1","2","1") = "6"
    & skf21("4","6","1","7","7","1","3","1") = "6"
    & skf21("4","6","1","7","7","1","4","1") = "6"
    & skf21("4","6","1","7","7","1","5","1") = "6"
    & skf21("4","6","1","7","7","1","6","1") = "6"
    & skf21("4","6","1","7","7","1","7","1") = "6"
    & skf21("4","6","1","7","7","2","1","1") = "6"
    & skf21("4","6","1","7","7","2","2","1") = "6"
    & skf21("4","6","1","7","7","2","3","1") = "6"
    & skf21("4","6","1","7","7","2","4","1") = "6"
    & skf21("4","6","1","7","7","2","5","1") = "6"
    & skf21("4","6","1","7","7","2","6","1") = "6"
    & skf21("4","6","1","7","7","2","7","1") = "6"
    & skf21("4","6","1","7","7","3","1","1") = "6"
    & skf21("4","6","1","7","7","3","2","1") = "6"
    & skf21("4","6","1","7","7","3","3","1") = "6"
    & skf21("4","6","1","7","7","3","4","1") = "6"
    & skf21("4","6","1","7","7","3","5","1") = "6"
    & skf21("4","6","1","7","7","3","6","1") = "6"
    & skf21("4","6","1","7","7","3","7","1") = "6"
    & skf21("4","6","1","7","7","4","1","1") = "6"
    & skf21("4","6","1","7","7","4","2","1") = "6"
    & skf21("4","6","1","7","7","4","3","1") = "6"
    & skf21("4","6","1","7","7","4","4","1") = "6"
    & skf21("4","6","1","7","7","4","5","1") = "6"
    & skf21("4","6","1","7","7","4","6","1") = "6"
    & skf21("4","6","1","7","7","4","7","1") = "6"
    & skf21("4","6","1","7","7","5","1","1") = "6"
    & skf21("4","6","1","7","7","5","2","1") = "6"
    & skf21("4","6","1","7","7","5","3","1") = "6"
    & skf21("4","6","1","7","7","5","4","1") = "6"
    & skf21("4","6","1","7","7","5","5","1") = "6"
    & skf21("4","6","1","7","7","5","6","1") = "6"
    & skf21("4","6","1","7","7","5","7","1") = "6"
    & skf21("4","6","1","7","7","6","1","1") = "6"
    & skf21("4","6","1","7","7","6","2","1") = "6"
    & skf21("4","6","1","7","7","6","3","1") = "6"
    & skf21("4","6","1","7","7","6","4","1") = "6"
    & skf21("4","6","1","7","7","6","5","1") = "6"
    & skf21("4","6","1","7","7","6","6","1") = "6"
    & skf21("4","6","1","7","7","6","7","1") = "6"
    & skf21("4","6","1","7","7","7","1","1") = "6"
    & skf21("4","6","1","7","7","7","2","1") = "6"
    & skf21("4","6","1","7","7","7","3","1") = "6"
    & skf21("4","6","1","7","7","7","4","1") = "6"
    & skf21("4","6","1","7","7","7","5","1") = "6"
    & skf21("4","6","1","7","7","7","6","1") = "6"
    & skf21("4","6","1","7","7","7","7","1") = "6"
    & skf21("4","6","2","1","1","1","1","1") = "5"
    & skf21("4","6","2","1","1","1","2","1") = "5"
    & skf21("4","6","2","1","1","1","3","1") = "5"
    & skf21("4","6","2","1","1","1","4","1") = "5"
    & skf21("4","6","2","1","1","1","5","1") = "5"
    & skf21("4","6","2","1","1","1","6","1") = "5"
    & skf21("4","6","2","1","1","1","7","1") = "6"
    & skf21("4","6","2","1","1","2","1","1") = "5"
    & skf21("4","6","2","1","1","2","2","1") = "5"
    & skf21("4","6","2","1","1","2","3","1") = "5"
    & skf21("4","6","2","1","1","2","4","1") = "5"
    & skf21("4","6","2","1","1","2","5","1") = "5"
    & skf21("4","6","2","1","1","2","6","1") = "5"
    & skf21("4","6","2","1","1","2","7","1") = "6"
    & skf21("4","6","2","1","1","3","1","1") = "5"
    & skf21("4","6","2","1","1","3","2","1") = "5"
    & skf21("4","6","2","1","1","3","3","1") = "5"
    & skf21("4","6","2","1","1","3","4","1") = "5"
    & skf21("4","6","2","1","1","3","5","1") = "5"
    & skf21("4","6","2","1","1","3","6","1") = "5"
    & skf21("4","6","2","1","1","3","7","1") = "6"
    & skf21("4","6","2","1","1","4","1","1") = "5"
    & skf21("4","6","2","1","1","4","2","1") = "5"
    & skf21("4","6","2","1","1","4","3","1") = "5"
    & skf21("4","6","2","1","1","4","4","1") = "5"
    & skf21("4","6","2","1","1","4","5","1") = "5"
    & skf21("4","6","2","1","1","4","6","1") = "5"
    & skf21("4","6","2","1","1","4","7","1") = "6"
    & skf21("4","6","2","1","1","5","1","1") = "5"
    & skf21("4","6","2","1","1","5","2","1") = "5"
    & skf21("4","6","2","1","1","5","3","1") = "5"
    & skf21("4","6","2","1","1","5","4","1") = "5"
    & skf21("4","6","2","1","1","5","5","1") = "5"
    & skf21("4","6","2","1","1","5","6","1") = "5"
    & skf21("4","6","2","1","1","5","7","1") = "6"
    & skf21("4","6","2","1","1","6","1","1") = "5"
    & skf21("4","6","2","1","1","6","2","1") = "5"
    & skf21("4","6","2","1","1","6","3","1") = "5"
    & skf21("4","6","2","1","1","6","4","1") = "5"
    & skf21("4","6","2","1","1","6","5","1") = "5"
    & skf21("4","6","2","1","1","6","6","1") = "5"
    & skf21("4","6","2","1","1","6","7","1") = "6"
    & skf21("4","6","2","1","1","7","1","1") = "6"
    & skf21("4","6","2","1","1","7","2","1") = "6"
    & skf21("4","6","2","1","1","7","3","1") = "6"
    & skf21("4","6","2","1","1","7","4","1") = "6"
    & skf21("4","6","2","1","1","7","5","1") = "6"
    & skf21("4","6","2","1","1","7","6","1") = "6"
    & skf21("4","6","2","1","1","7","7","1") = "6"
    & skf21("4","6","2","1","2","1","1","1") = "5"
    & skf21("4","6","2","1","2","1","2","1") = "5"
    & skf21("4","6","2","1","2","1","3","1") = "5"
    & skf21("4","6","2","1","2","1","4","1") = "5"
    & skf21("4","6","2","1","2","1","5","1") = "5"
    & skf21("4","6","2","1","2","1","6","1") = "5"
    & skf21("4","6","2","1","2","1","7","1") = "6"
    & skf21("4","6","2","1","2","2","1","1") = "5"
    & skf21("4","6","2","1","2","2","2","1") = "5"
    & skf21("4","6","2","1","2","2","3","1") = "5"
    & skf21("4","6","2","1","2","2","4","1") = "5"
    & skf21("4","6","2","1","2","2","5","1") = "5"
    & skf21("4","6","2","1","2","2","6","1") = "5"
    & skf21("4","6","2","1","2","2","7","1") = "6"
    & skf21("4","6","2","1","2","3","1","1") = "5"
    & skf21("4","6","2","1","2","3","2","1") = "5"
    & skf21("4","6","2","1","2","3","3","1") = "5"
    & skf21("4","6","2","1","2","3","4","1") = "5"
    & skf21("4","6","2","1","2","3","5","1") = "5"
    & skf21("4","6","2","1","2","3","6","1") = "5"
    & skf21("4","6","2","1","2","3","7","1") = "6"
    & skf21("4","6","2","1","2","4","1","1") = "5"
    & skf21("4","6","2","1","2","4","2","1") = "5"
    & skf21("4","6","2","1","2","4","3","1") = "5"
    & skf21("4","6","2","1","2","4","4","1") = "5"
    & skf21("4","6","2","1","2","4","5","1") = "5"
    & skf21("4","6","2","1","2","4","6","1") = "5"
    & skf21("4","6","2","1","2","4","7","1") = "6"
    & skf21("4","6","2","1","2","5","1","1") = "5"
    & skf21("4","6","2","1","2","5","2","1") = "5"
    & skf21("4","6","2","1","2","5","3","1") = "5"
    & skf21("4","6","2","1","2","5","4","1") = "5"
    & skf21("4","6","2","1","2","5","5","1") = "5"
    & skf21("4","6","2","1","2","5","6","1") = "5"
    & skf21("4","6","2","1","2","5","7","1") = "6"
    & skf21("4","6","2","1","2","6","1","1") = "5"
    & skf21("4","6","2","1","2","6","2","1") = "5"
    & skf21("4","6","2","1","2","6","3","1") = "5"
    & skf21("4","6","2","1","2","6","4","1") = "5"
    & skf21("4","6","2","1","2","6","5","1") = "5"
    & skf21("4","6","2","1","2","6","6","1") = "5"
    & skf21("4","6","2","1","2","6","7","1") = "6"
    & skf21("4","6","2","1","2","7","1","1") = "6"
    & skf21("4","6","2","1","2","7","2","1") = "6"
    & skf21("4","6","2","1","2","7","3","1") = "6"
    & skf21("4","6","2","1","2","7","4","1") = "6"
    & skf21("4","6","2","1","2","7","5","1") = "6"
    & skf21("4","6","2","1","2","7","6","1") = "6"
    & skf21("4","6","2","1","2","7","7","1") = "6"
    & skf21("4","6","2","1","3","1","1","1") = "5"
    & skf21("4","6","2","1","3","1","2","1") = "5"
    & skf21("4","6","2","1","3","1","3","1") = "5"
    & skf21("4","6","2","1","3","1","4","1") = "5"
    & skf21("4","6","2","1","3","1","5","1") = "5"
    & skf21("4","6","2","1","3","1","6","1") = "5"
    & skf21("4","6","2","1","3","1","7","1") = "6"
    & skf21("4","6","2","1","3","2","1","1") = "5"
    & skf21("4","6","2","1","3","2","2","1") = "5"
    & skf21("4","6","2","1","3","2","3","1") = "5"
    & skf21("4","6","2","1","3","2","4","1") = "5"
    & skf21("4","6","2","1","3","2","5","1") = "5"
    & skf21("4","6","2","1","3","2","6","1") = "5"
    & skf21("4","6","2","1","3","2","7","1") = "6"
    & skf21("4","6","2","1","3","3","1","1") = "5"
    & skf21("4","6","2","1","3","3","2","1") = "5"
    & skf21("4","6","2","1","3","3","3","1") = "5"
    & skf21("4","6","2","1","3","3","4","1") = "5"
    & skf21("4","6","2","1","3","3","5","1") = "5"
    & skf21("4","6","2","1","3","3","6","1") = "5"
    & skf21("4","6","2","1","3","3","7","1") = "6"
    & skf21("4","6","2","1","3","4","1","1") = "5"
    & skf21("4","6","2","1","3","4","2","1") = "5"
    & skf21("4","6","2","1","3","4","3","1") = "5"
    & skf21("4","6","2","1","3","4","4","1") = "5"
    & skf21("4","6","2","1","3","4","5","1") = "5"
    & skf21("4","6","2","1","3","4","6","1") = "5"
    & skf21("4","6","2","1","3","4","7","1") = "6"
    & skf21("4","6","2","1","3","5","1","1") = "5"
    & skf21("4","6","2","1","3","5","2","1") = "5"
    & skf21("4","6","2","1","3","5","3","1") = "5"
    & skf21("4","6","2","1","3","5","4","1") = "5"
    & skf21("4","6","2","1","3","5","5","1") = "5"
    & skf21("4","6","2","1","3","5","6","1") = "5"
    & skf21("4","6","2","1","3","5","7","1") = "6"
    & skf21("4","6","2","1","3","6","1","1") = "5"
    & skf21("4","6","2","1","3","6","2","1") = "5"
    & skf21("4","6","2","1","3","6","3","1") = "5"
    & skf21("4","6","2","1","3","6","4","1") = "5"
    & skf21("4","6","2","1","3","6","5","1") = "5"
    & skf21("4","6","2","1","3","6","6","1") = "5"
    & skf21("4","6","2","1","3","6","7","1") = "6"
    & skf21("4","6","2","1","3","7","1","1") = "6"
    & skf21("4","6","2","1","3","7","2","1") = "6"
    & skf21("4","6","2","1","3","7","3","1") = "6"
    & skf21("4","6","2","1","3","7","4","1") = "6"
    & skf21("4","6","2","1","3","7","5","1") = "6"
    & skf21("4","6","2","1","3","7","6","1") = "6"
    & skf21("4","6","2","1","3","7","7","1") = "6"
    & skf21("4","6","2","1","4","1","1","1") = "5"
    & skf21("4","6","2","1","4","1","2","1") = "5"
    & skf21("4","6","2","1","4","1","3","1") = "5"
    & skf21("4","6","2","1","4","1","4","1") = "5"
    & skf21("4","6","2","1","4","1","5","1") = "5"
    & skf21("4","6","2","1","4","1","6","1") = "5"
    & skf21("4","6","2","1","4","1","7","1") = "6"
    & skf21("4","6","2","1","4","2","1","1") = "5"
    & skf21("4","6","2","1","4","2","2","1") = "5"
    & skf21("4","6","2","1","4","2","3","1") = "5"
    & skf21("4","6","2","1","4","2","4","1") = "5"
    & skf21("4","6","2","1","4","2","5","1") = "5"
    & skf21("4","6","2","1","4","2","6","1") = "5"
    & skf21("4","6","2","1","4","2","7","1") = "6"
    & skf21("4","6","2","1","4","3","1","1") = "5"
    & skf21("4","6","2","1","4","3","2","1") = "5"
    & skf21("4","6","2","1","4","3","3","1") = "5"
    & skf21("4","6","2","1","4","3","4","1") = "5"
    & skf21("4","6","2","1","4","3","5","1") = "5"
    & skf21("4","6","2","1","4","3","6","1") = "5"
    & skf21("4","6","2","1","4","3","7","1") = "6"
    & skf21("4","6","2","1","4","4","1","1") = "5"
    & skf21("4","6","2","1","4","4","2","1") = "5"
    & skf21("4","6","2","1","4","4","3","1") = "5"
    & skf21("4","6","2","1","4","4","4","1") = "5"
    & skf21("4","6","2","1","4","4","5","1") = "5"
    & skf21("4","6","2","1","4","4","6","1") = "5"
    & skf21("4","6","2","1","4","4","7","1") = "6"
    & skf21("4","6","2","1","4","5","1","1") = "5"
    & skf21("4","6","2","1","4","5","2","1") = "5"
    & skf21("4","6","2","1","4","5","3","1") = "5"
    & skf21("4","6","2","1","4","5","4","1") = "5"
    & skf21("4","6","2","1","4","5","5","1") = "5"
    & skf21("4","6","2","1","4","5","6","1") = "5"
    & skf21("4","6","2","1","4","5","7","1") = "6"
    & skf21("4","6","2","1","4","6","1","1") = "5"
    & skf21("4","6","2","1","4","6","2","1") = "5"
    & skf21("4","6","2","1","4","6","3","1") = "5"
    & skf21("4","6","2","1","4","6","4","1") = "5"
    & skf21("4","6","2","1","4","6","5","1") = "5"
    & skf21("4","6","2","1","4","6","6","1") = "5"
    & skf21("4","6","2","1","4","6","7","1") = "6"
    & skf21("4","6","2","1","4","7","1","1") = "6"
    & skf21("4","6","2","1","4","7","2","1") = "6"
    & skf21("4","6","2","1","4","7","3","1") = "6"
    & skf21("4","6","2","1","4","7","4","1") = "6"
    & skf21("4","6","2","1","4","7","5","1") = "6"
    & skf21("4","6","2","1","4","7","6","1") = "6"
    & skf21("4","6","2","1","4","7","7","1") = "6"
    & skf21("4","6","2","1","5","1","1","1") = "5"
    & skf21("4","6","2","1","5","1","2","1") = "5"
    & skf21("4","6","2","1","5","1","3","1") = "5"
    & skf21("4","6","2","1","5","1","4","1") = "5"
    & skf21("4","6","2","1","5","1","5","1") = "5"
    & skf21("4","6","2","1","5","1","6","1") = "5"
    & skf21("4","6","2","1","5","1","7","1") = "6"
    & skf21("4","6","2","1","5","2","1","1") = "5"
    & skf21("4","6","2","1","5","2","2","1") = "5"
    & skf21("4","6","2","1","5","2","3","1") = "5"
    & skf21("4","6","2","1","5","2","4","1") = "5"
    & skf21("4","6","2","1","5","2","5","1") = "5"
    & skf21("4","6","2","1","5","2","6","1") = "5"
    & skf21("4","6","2","1","5","2","7","1") = "6"
    & skf21("4","6","2","1","5","3","1","1") = "5"
    & skf21("4","6","2","1","5","3","2","1") = "5"
    & skf21("4","6","2","1","5","3","3","1") = "5"
    & skf21("4","6","2","1","5","3","4","1") = "5"
    & skf21("4","6","2","1","5","3","5","1") = "5"
    & skf21("4","6","2","1","5","3","6","1") = "5"
    & skf21("4","6","2","1","5","3","7","1") = "6"
    & skf21("4","6","2","1","5","4","1","1") = "5"
    & skf21("4","6","2","1","5","4","2","1") = "5"
    & skf21("4","6","2","1","5","4","3","1") = "5"
    & skf21("4","6","2","1","5","4","4","1") = "5"
    & skf21("4","6","2","1","5","4","5","1") = "5"
    & skf21("4","6","2","1","5","4","6","1") = "5"
    & skf21("4","6","2","1","5","4","7","1") = "6"
    & skf21("4","6","2","1","5","5","1","1") = "5"
    & skf21("4","6","2","1","5","5","2","1") = "5"
    & skf21("4","6","2","1","5","5","3","1") = "5"
    & skf21("4","6","2","1","5","5","4","1") = "5"
    & skf21("4","6","2","1","5","5","5","1") = "5"
    & skf21("4","6","2","1","5","5","6","1") = "5"
    & skf21("4","6","2","1","5","5","7","1") = "6"
    & skf21("4","6","2","1","5","6","1","1") = "5"
    & skf21("4","6","2","1","5","6","2","1") = "5"
    & skf21("4","6","2","1","5","6","3","1") = "5"
    & skf21("4","6","2","1","5","6","4","1") = "5"
    & skf21("4","6","2","1","5","6","5","1") = "5"
    & skf21("4","6","2","1","5","6","6","1") = "5"
    & skf21("4","6","2","1","5","6","7","1") = "6"
    & skf21("4","6","2","1","5","7","1","1") = "6"
    & skf21("4","6","2","1","5","7","2","1") = "6"
    & skf21("4","6","2","1","5","7","3","1") = "6"
    & skf21("4","6","2","1","5","7","4","1") = "6"
    & skf21("4","6","2","1","5","7","5","1") = "6"
    & skf21("4","6","2","1","5","7","6","1") = "6"
    & skf21("4","6","2","1","5","7","7","1") = "6"
    & skf21("4","6","2","1","6","1","1","1") = "5"
    & skf21("4","6","2","1","6","1","2","1") = "5"
    & skf21("4","6","2","1","6","1","3","1") = "5"
    & skf21("4","6","2","1","6","1","4","1") = "5"
    & skf21("4","6","2","1","6","1","5","1") = "5"
    & skf21("4","6","2","1","6","1","6","1") = "5"
    & skf21("4","6","2","1","6","1","7","1") = "6"
    & skf21("4","6","2","1","6","2","1","1") = "5"
    & skf21("4","6","2","1","6","2","2","1") = "5"
    & skf21("4","6","2","1","6","2","3","1") = "5"
    & skf21("4","6","2","1","6","2","4","1") = "5"
    & skf21("4","6","2","1","6","2","5","1") = "5"
    & skf21("4","6","2","1","6","2","6","1") = "5"
    & skf21("4","6","2","1","6","2","7","1") = "6"
    & skf21("4","6","2","1","6","3","1","1") = "5"
    & skf21("4","6","2","1","6","3","2","1") = "5"
    & skf21("4","6","2","1","6","3","3","1") = "5"
    & skf21("4","6","2","1","6","3","4","1") = "5"
    & skf21("4","6","2","1","6","3","5","1") = "5"
    & skf21("4","6","2","1","6","3","6","1") = "5"
    & skf21("4","6","2","1","6","3","7","1") = "6"
    & skf21("4","6","2","1","6","4","1","1") = "5"
    & skf21("4","6","2","1","6","4","2","1") = "5"
    & skf21("4","6","2","1","6","4","3","1") = "5"
    & skf21("4","6","2","1","6","4","4","1") = "5"
    & skf21("4","6","2","1","6","4","5","1") = "5"
    & skf21("4","6","2","1","6","4","6","1") = "5"
    & skf21("4","6","2","1","6","4","7","1") = "6"
    & skf21("4","6","2","1","6","5","1","1") = "5"
    & skf21("4","6","2","1","6","5","2","1") = "5"
    & skf21("4","6","2","1","6","5","3","1") = "5"
    & skf21("4","6","2","1","6","5","4","1") = "5"
    & skf21("4","6","2","1","6","5","5","1") = "5"
    & skf21("4","6","2","1","6","5","6","1") = "5"
    & skf21("4","6","2","1","6","5","7","1") = "6"
    & skf21("4","6","2","1","6","6","1","1") = "5"
    & skf21("4","6","2","1","6","6","2","1") = "5"
    & skf21("4","6","2","1","6","6","3","1") = "5"
    & skf21("4","6","2","1","6","6","4","1") = "5"
    & skf21("4","6","2","1","6","6","5","1") = "5"
    & skf21("4","6","2","1","6","6","6","1") = "5"
    & skf21("4","6","2","1","6","6","7","1") = "6"
    & skf21("4","6","2","1","6","7","1","1") = "6"
    & skf21("4","6","2","1","6","7","2","1") = "6"
    & skf21("4","6","2","1","6","7","3","1") = "6"
    & skf21("4","6","2","1","6","7","4","1") = "6"
    & skf21("4","6","2","1","6","7","5","1") = "6"
    & skf21("4","6","2","1","6","7","6","1") = "6"
    & skf21("4","6","2","1","6","7","7","1") = "6"
    & skf21("4","6","2","1","7","1","1","1") = "6"
    & skf21("4","6","2","1","7","1","2","1") = "6"
    & skf21("4","6","2","1","7","1","3","1") = "6"
    & skf21("4","6","2","1","7","1","4","1") = "6"
    & skf21("4","6","2","1","7","1","5","1") = "6"
    & skf21("4","6","2","1","7","1","6","1") = "6"
    & skf21("4","6","2","1","7","1","7","1") = "6"
    & skf21("4","6","2","1","7","2","1","1") = "6"
    & skf21("4","6","2","1","7","2","2","1") = "6"
    & skf21("4","6","2","1","7","2","3","1") = "6"
    & skf21("4","6","2","1","7","2","4","1") = "6"
    & skf21("4","6","2","1","7","2","5","1") = "6"
    & skf21("4","6","2","1","7","2","6","1") = "6"
    & skf21("4","6","2","1","7","2","7","1") = "6"
    & skf21("4","6","2","1","7","3","1","1") = "6"
    & skf21("4","6","2","1","7","3","2","1") = "6"
    & skf21("4","6","2","1","7","3","3","1") = "6"
    & skf21("4","6","2","1","7","3","4","1") = "6"
    & skf21("4","6","2","1","7","3","5","1") = "6"
    & skf21("4","6","2","1","7","3","6","1") = "6"
    & skf21("4","6","2","1","7","3","7","1") = "6"
    & skf21("4","6","2","1","7","4","1","1") = "6"
    & skf21("4","6","2","1","7","4","2","1") = "6"
    & skf21("4","6","2","1","7","4","3","1") = "6"
    & skf21("4","6","2","1","7","4","4","1") = "6"
    & skf21("4","6","2","1","7","4","5","1") = "6"
    & skf21("4","6","2","1","7","4","6","1") = "6"
    & skf21("4","6","2","1","7","4","7","1") = "6"
    & skf21("4","6","2","1","7","5","1","1") = "6"
    & skf21("4","6","2","1","7","5","2","1") = "6"
    & skf21("4","6","2","1","7","5","3","1") = "6"
    & skf21("4","6","2","1","7","5","4","1") = "6"
    & skf21("4","6","2","1","7","5","5","1") = "6"
    & skf21("4","6","2","1","7","5","6","1") = "6"
    & skf21("4","6","2","1","7","5","7","1") = "6"
    & skf21("4","6","2","1","7","6","1","1") = "6"
    & skf21("4","6","2","1","7","6","2","1") = "6"
    & skf21("4","6","2","1","7","6","3","1") = "6"
    & skf21("4","6","2","1","7","6","4","1") = "6"
    & skf21("4","6","2","1","7","6","5","1") = "6"
    & skf21("4","6","2","1","7","6","6","1") = "6"
    & skf21("4","6","2","1","7","6","7","1") = "6"
    & skf21("4","6","2","1","7","7","1","1") = "6"
    & skf21("4","6","2","1","7","7","2","1") = "6"
    & skf21("4","6","2","1","7","7","3","1") = "6"
    & skf21("4","6","2","1","7","7","4","1") = "6"
    & skf21("4","6","2","1","7","7","5","1") = "6"
    & skf21("4","6","2","1","7","7","6","1") = "6"
    & skf21("4","6","2","1","7","7","7","1") = "6"
    & skf21("4","6","2","2","1","1","1","1") = "5"
    & skf21("4","6","2","2","1","1","2","1") = "5"
    & skf21("4","6","2","2","1","1","3","1") = "5"
    & skf21("4","6","2","2","1","1","4","1") = "5"
    & skf21("4","6","2","2","1","1","5","1") = "5"
    & skf21("4","6","2","2","1","1","6","1") = "5"
    & skf21("4","6","2","2","1","1","7","1") = "6"
    & skf21("4","6","2","2","1","2","1","1") = "5"
    & skf21("4","6","2","2","1","2","2","1") = "5"
    & skf21("4","6","2","2","1","2","3","1") = "5"
    & skf21("4","6","2","2","1","2","4","1") = "5"
    & skf21("4","6","2","2","1","2","5","1") = "5"
    & skf21("4","6","2","2","1","2","6","1") = "5"
    & skf21("4","6","2","2","1","2","7","1") = "6"
    & skf21("4","6","2","2","1","3","1","1") = "5"
    & skf21("4","6","2","2","1","3","2","1") = "5"
    & skf21("4","6","2","2","1","3","3","1") = "5"
    & skf21("4","6","2","2","1","3","4","1") = "5"
    & skf21("4","6","2","2","1","3","5","1") = "5"
    & skf21("4","6","2","2","1","3","6","1") = "5"
    & skf21("4","6","2","2","1","3","7","1") = "6"
    & skf21("4","6","2","2","1","4","1","1") = "5"
    & skf21("4","6","2","2","1","4","2","1") = "5"
    & skf21("4","6","2","2","1","4","3","1") = "5"
    & skf21("4","6","2","2","1","4","4","1") = "5"
    & skf21("4","6","2","2","1","4","5","1") = "5"
    & skf21("4","6","2","2","1","4","6","1") = "5"
    & skf21("4","6","2","2","1","4","7","1") = "6"
    & skf21("4","6","2","2","1","5","1","1") = "5"
    & skf21("4","6","2","2","1","5","2","1") = "5"
    & skf21("4","6","2","2","1","5","3","1") = "5"
    & skf21("4","6","2","2","1","5","4","1") = "5"
    & skf21("4","6","2","2","1","5","5","1") = "5"
    & skf21("4","6","2","2","1","5","6","1") = "5"
    & skf21("4","6","2","2","1","5","7","1") = "6"
    & skf21("4","6","2","2","1","6","1","1") = "5"
    & skf21("4","6","2","2","1","6","2","1") = "5"
    & skf21("4","6","2","2","1","6","3","1") = "5"
    & skf21("4","6","2","2","1","6","4","1") = "5"
    & skf21("4","6","2","2","1","6","5","1") = "5"
    & skf21("4","6","2","2","1","6","6","1") = "5"
    & skf21("4","6","2","2","1","6","7","1") = "6"
    & skf21("4","6","2","2","1","7","1","1") = "6"
    & skf21("4","6","2","2","1","7","2","1") = "6"
    & skf21("4","6","2","2","1","7","3","1") = "6"
    & skf21("4","6","2","2","1","7","4","1") = "6"
    & skf21("4","6","2","2","1","7","5","1") = "6"
    & skf21("4","6","2","2","1","7","6","1") = "6"
    & skf21("4","6","2","2","1","7","7","1") = "6"
    & skf21("4","6","2","2","2","1","1","1") = "5"
    & skf21("4","6","2","2","2","1","2","1") = "5"
    & skf21("4","6","2","2","2","1","3","1") = "5"
    & skf21("4","6","2","2","2","1","4","1") = "5"
    & skf21("4","6","2","2","2","1","5","1") = "5"
    & skf21("4","6","2","2","2","1","6","1") = "5"
    & skf21("4","6","2","2","2","1","7","1") = "6"
    & skf21("4","6","2","2","2","2","1","1") = "5"
    & skf21("4","6","2","2","2","2","2","1") = "5"
    & skf21("4","6","2","2","2","2","3","1") = "5"
    & skf21("4","6","2","2","2","2","4","1") = "5"
    & skf21("4","6","2","2","2","2","5","1") = "5"
    & skf21("4","6","2","2","2","2","6","1") = "5"
    & skf21("4","6","2","2","2","2","7","1") = "6"
    & skf21("4","6","2","2","2","3","1","1") = "5"
    & skf21("4","6","2","2","2","3","2","1") = "5"
    & skf21("4","6","2","2","2","3","3","1") = "5"
    & skf21("4","6","2","2","2","3","4","1") = "5"
    & skf21("4","6","2","2","2","3","5","1") = "5"
    & skf21("4","6","2","2","2","3","6","1") = "5"
    & skf21("4","6","2","2","2","3","7","1") = "6"
    & skf21("4","6","2","2","2","4","1","1") = "5"
    & skf21("4","6","2","2","2","4","2","1") = "5"
    & skf21("4","6","2","2","2","4","3","1") = "5"
    & skf21("4","6","2","2","2","4","4","1") = "5"
    & skf21("4","6","2","2","2","4","5","1") = "5"
    & skf21("4","6","2","2","2","4","6","1") = "5"
    & skf21("4","6","2","2","2","4","7","1") = "6"
    & skf21("4","6","2","2","2","5","1","1") = "5"
    & skf21("4","6","2","2","2","5","2","1") = "5"
    & skf21("4","6","2","2","2","5","3","1") = "5"
    & skf21("4","6","2","2","2","5","4","1") = "5"
    & skf21("4","6","2","2","2","5","5","1") = "5"
    & skf21("4","6","2","2","2","5","6","1") = "5"
    & skf21("4","6","2","2","2","5","7","1") = "6"
    & skf21("4","6","2","2","2","6","1","1") = "5"
    & skf21("4","6","2","2","2","6","2","1") = "5"
    & skf21("4","6","2","2","2","6","3","1") = "5"
    & skf21("4","6","2","2","2","6","4","1") = "5"
    & skf21("4","6","2","2","2","6","5","1") = "5"
    & skf21("4","6","2","2","2","6","6","1") = "5"
    & skf21("4","6","2","2","2","6","7","1") = "6"
    & skf21("4","6","2","2","2","7","1","1") = "6"
    & skf21("4","6","2","2","2","7","2","1") = "6"
    & skf21("4","6","2","2","2","7","3","1") = "6"
    & skf21("4","6","2","2","2","7","4","1") = "6"
    & skf21("4","6","2","2","2","7","5","1") = "6"
    & skf21("4","6","2","2","2","7","6","1") = "6"
    & skf21("4","6","2","2","2","7","7","1") = "6"
    & skf21("4","6","2","2","3","1","1","1") = "5"
    & skf21("4","6","2","2","3","1","2","1") = "5"
    & skf21("4","6","2","2","3","1","3","1") = "5"
    & skf21("4","6","2","2","3","1","4","1") = "5"
    & skf21("4","6","2","2","3","1","5","1") = "5"
    & skf21("4","6","2","2","3","1","6","1") = "5"
    & skf21("4","6","2","2","3","1","7","1") = "6"
    & skf21("4","6","2","2","3","2","1","1") = "5"
    & skf21("4","6","2","2","3","2","2","1") = "5"
    & skf21("4","6","2","2","3","2","3","1") = "5"
    & skf21("4","6","2","2","3","2","4","1") = "5"
    & skf21("4","6","2","2","3","2","5","1") = "5"
    & skf21("4","6","2","2","3","2","6","1") = "5"
    & skf21("4","6","2","2","3","2","7","1") = "6"
    & skf21("4","6","2","2","3","3","1","1") = "5"
    & skf21("4","6","2","2","3","3","2","1") = "5"
    & skf21("4","6","2","2","3","3","3","1") = "5"
    & skf21("4","6","2","2","3","3","4","1") = "5"
    & skf21("4","6","2","2","3","3","5","1") = "5"
    & skf21("4","6","2","2","3","3","6","1") = "5"
    & skf21("4","6","2","2","3","3","7","1") = "6"
    & skf21("4","6","2","2","3","4","1","1") = "5"
    & skf21("4","6","2","2","3","4","2","1") = "5"
    & skf21("4","6","2","2","3","4","3","1") = "5"
    & skf21("4","6","2","2","3","4","4","1") = "5"
    & skf21("4","6","2","2","3","4","5","1") = "5"
    & skf21("4","6","2","2","3","4","6","1") = "5"
    & skf21("4","6","2","2","3","4","7","1") = "6"
    & skf21("4","6","2","2","3","5","1","1") = "5"
    & skf21("4","6","2","2","3","5","2","1") = "5"
    & skf21("4","6","2","2","3","5","3","1") = "5"
    & skf21("4","6","2","2","3","5","4","1") = "5"
    & skf21("4","6","2","2","3","5","5","1") = "5"
    & skf21("4","6","2","2","3","5","6","1") = "5"
    & skf21("4","6","2","2","3","5","7","1") = "6"
    & skf21("4","6","2","2","3","6","1","1") = "5"
    & skf21("4","6","2","2","3","6","2","1") = "5"
    & skf21("4","6","2","2","3","6","3","1") = "5"
    & skf21("4","6","2","2","3","6","4","1") = "5"
    & skf21("4","6","2","2","3","6","5","1") = "5"
    & skf21("4","6","2","2","3","6","6","1") = "5"
    & skf21("4","6","2","2","3","6","7","1") = "6"
    & skf21("4","6","2","2","3","7","1","1") = "6"
    & skf21("4","6","2","2","3","7","2","1") = "6"
    & skf21("4","6","2","2","3","7","3","1") = "6"
    & skf21("4","6","2","2","3","7","4","1") = "6"
    & skf21("4","6","2","2","3","7","5","1") = "6"
    & skf21("4","6","2","2","3","7","6","1") = "6"
    & skf21("4","6","2","2","3","7","7","1") = "6"
    & skf21("4","6","2","2","4","1","1","1") = "5"
    & skf21("4","6","2","2","4","1","2","1") = "5"
    & skf21("4","6","2","2","4","1","3","1") = "5"
    & skf21("4","6","2","2","4","1","4","1") = "5"
    & skf21("4","6","2","2","4","1","5","1") = "5"
    & skf21("4","6","2","2","4","1","6","1") = "5"
    & skf21("4","6","2","2","4","1","7","1") = "6"
    & skf21("4","6","2","2","4","2","1","1") = "5"
    & skf21("4","6","2","2","4","2","2","1") = "5"
    & skf21("4","6","2","2","4","2","3","1") = "5"
    & skf21("4","6","2","2","4","2","4","1") = "5"
    & skf21("4","6","2","2","4","2","5","1") = "5"
    & skf21("4","6","2","2","4","2","6","1") = "5"
    & skf21("4","6","2","2","4","2","7","1") = "6"
    & skf21("4","6","2","2","4","3","1","1") = "5"
    & skf21("4","6","2","2","4","3","2","1") = "5"
    & skf21("4","6","2","2","4","3","3","1") = "5"
    & skf21("4","6","2","2","4","3","4","1") = "5"
    & skf21("4","6","2","2","4","3","5","1") = "5"
    & skf21("4","6","2","2","4","3","6","1") = "5"
    & skf21("4","6","2","2","4","3","7","1") = "6"
    & skf21("4","6","2","2","4","4","1","1") = "5"
    & skf21("4","6","2","2","4","4","2","1") = "5"
    & skf21("4","6","2","2","4","4","3","1") = "5"
    & skf21("4","6","2","2","4","4","4","1") = "5"
    & skf21("4","6","2","2","4","4","5","1") = "5"
    & skf21("4","6","2","2","4","4","6","1") = "5"
    & skf21("4","6","2","2","4","4","7","1") = "6"
    & skf21("4","6","2","2","4","5","1","1") = "5"
    & skf21("4","6","2","2","4","5","2","1") = "5"
    & skf21("4","6","2","2","4","5","3","1") = "5"
    & skf21("4","6","2","2","4","5","4","1") = "5"
    & skf21("4","6","2","2","4","5","5","1") = "5"
    & skf21("4","6","2","2","4","5","6","1") = "5"
    & skf21("4","6","2","2","4","5","7","1") = "6"
    & skf21("4","6","2","2","4","6","1","1") = "5"
    & skf21("4","6","2","2","4","6","2","1") = "5"
    & skf21("4","6","2","2","4","6","3","1") = "5"
    & skf21("4","6","2","2","4","6","4","1") = "5"
    & skf21("4","6","2","2","4","6","5","1") = "5"
    & skf21("4","6","2","2","4","6","6","1") = "5"
    & skf21("4","6","2","2","4","6","7","1") = "6"
    & skf21("4","6","2","2","4","7","1","1") = "6"
    & skf21("4","6","2","2","4","7","2","1") = "6"
    & skf21("4","6","2","2","4","7","3","1") = "6"
    & skf21("4","6","2","2","4","7","4","1") = "6"
    & skf21("4","6","2","2","4","7","5","1") = "6"
    & skf21("4","6","2","2","4","7","6","1") = "6"
    & skf21("4","6","2","2","4","7","7","1") = "6"
    & skf21("4","6","2","2","5","1","1","1") = "5"
    & skf21("4","6","2","2","5","1","2","1") = "5"
    & skf21("4","6","2","2","5","1","3","1") = "5"
    & skf21("4","6","2","2","5","1","4","1") = "5"
    & skf21("4","6","2","2","5","1","5","1") = "5"
    & skf21("4","6","2","2","5","1","6","1") = "5"
    & skf21("4","6","2","2","5","1","7","1") = "6"
    & skf21("4","6","2","2","5","2","1","1") = "5"
    & skf21("4","6","2","2","5","2","2","1") = "5"
    & skf21("4","6","2","2","5","2","3","1") = "5"
    & skf21("4","6","2","2","5","2","4","1") = "5"
    & skf21("4","6","2","2","5","2","5","1") = "5"
    & skf21("4","6","2","2","5","2","6","1") = "5"
    & skf21("4","6","2","2","5","2","7","1") = "6"
    & skf21("4","6","2","2","5","3","1","1") = "5"
    & skf21("4","6","2","2","5","3","2","1") = "5"
    & skf21("4","6","2","2","5","3","3","1") = "5"
    & skf21("4","6","2","2","5","3","4","1") = "5"
    & skf21("4","6","2","2","5","3","5","1") = "5"
    & skf21("4","6","2","2","5","3","6","1") = "5"
    & skf21("4","6","2","2","5","3","7","1") = "6"
    & skf21("4","6","2","2","5","4","1","1") = "5"
    & skf21("4","6","2","2","5","4","2","1") = "5"
    & skf21("4","6","2","2","5","4","3","1") = "5"
    & skf21("4","6","2","2","5","4","4","1") = "5"
    & skf21("4","6","2","2","5","4","5","1") = "5"
    & skf21("4","6","2","2","5","4","6","1") = "5"
    & skf21("4","6","2","2","5","4","7","1") = "6"
    & skf21("4","6","2","2","5","5","1","1") = "5"
    & skf21("4","6","2","2","5","5","2","1") = "5"
    & skf21("4","6","2","2","5","5","3","1") = "5"
    & skf21("4","6","2","2","5","5","4","1") = "5"
    & skf21("4","6","2","2","5","5","5","1") = "5"
    & skf21("4","6","2","2","5","5","6","1") = "5"
    & skf21("4","6","2","2","5","5","7","1") = "6"
    & skf21("4","6","2","2","5","6","1","1") = "5"
    & skf21("4","6","2","2","5","6","2","1") = "5"
    & skf21("4","6","2","2","5","6","3","1") = "5"
    & skf21("4","6","2","2","5","6","4","1") = "5"
    & skf21("4","6","2","2","5","6","5","1") = "5"
    & skf21("4","6","2","2","5","6","6","1") = "5"
    & skf21("4","6","2","2","5","6","7","1") = "6"
    & skf21("4","6","2","2","5","7","1","1") = "6"
    & skf21("4","6","2","2","5","7","2","1") = "6"
    & skf21("4","6","2","2","5","7","3","1") = "6"
    & skf21("4","6","2","2","5","7","4","1") = "6"
    & skf21("4","6","2","2","5","7","5","1") = "6"
    & skf21("4","6","2","2","5","7","6","1") = "6"
    & skf21("4","6","2","2","5","7","7","1") = "6"
    & skf21("4","6","2","2","6","1","1","1") = "5"
    & skf21("4","6","2","2","6","1","2","1") = "5"
    & skf21("4","6","2","2","6","1","3","1") = "5"
    & skf21("4","6","2","2","6","1","4","1") = "5"
    & skf21("4","6","2","2","6","1","5","1") = "5"
    & skf21("4","6","2","2","6","1","6","1") = "5"
    & skf21("4","6","2","2","6","1","7","1") = "6"
    & skf21("4","6","2","2","6","2","1","1") = "5"
    & skf21("4","6","2","2","6","2","2","1") = "5"
    & skf21("4","6","2","2","6","2","3","1") = "5"
    & skf21("4","6","2","2","6","2","4","1") = "5"
    & skf21("4","6","2","2","6","2","5","1") = "5"
    & skf21("4","6","2","2","6","2","6","1") = "5"
    & skf21("4","6","2","2","6","2","7","1") = "6"
    & skf21("4","6","2","2","6","3","1","1") = "5"
    & skf21("4","6","2","2","6","3","2","1") = "5"
    & skf21("4","6","2","2","6","3","3","1") = "5"
    & skf21("4","6","2","2","6","3","4","1") = "5"
    & skf21("4","6","2","2","6","3","5","1") = "5"
    & skf21("4","6","2","2","6","3","6","1") = "5"
    & skf21("4","6","2","2","6","3","7","1") = "6"
    & skf21("4","6","2","2","6","4","1","1") = "5"
    & skf21("4","6","2","2","6","4","2","1") = "5"
    & skf21("4","6","2","2","6","4","3","1") = "5"
    & skf21("4","6","2","2","6","4","4","1") = "5"
    & skf21("4","6","2","2","6","4","5","1") = "5"
    & skf21("4","6","2","2","6","4","6","1") = "5"
    & skf21("4","6","2","2","6","4","7","1") = "6"
    & skf21("4","6","2","2","6","5","1","1") = "5"
    & skf21("4","6","2","2","6","5","2","1") = "5"
    & skf21("4","6","2","2","6","5","3","1") = "5"
    & skf21("4","6","2","2","6","5","4","1") = "5"
    & skf21("4","6","2","2","6","5","5","1") = "5"
    & skf21("4","6","2","2","6","5","6","1") = "5"
    & skf21("4","6","2","2","6","5","7","1") = "6"
    & skf21("4","6","2","2","6","6","1","1") = "5"
    & skf21("4","6","2","2","6","6","2","1") = "5"
    & skf21("4","6","2","2","6","6","3","1") = "5"
    & skf21("4","6","2","2","6","6","4","1") = "5"
    & skf21("4","6","2","2","6","6","5","1") = "5"
    & skf21("4","6","2","2","6","6","6","1") = "5"
    & skf21("4","6","2","2","6","6","7","1") = "6"
    & skf21("4","6","2","2","6","7","1","1") = "6"
    & skf21("4","6","2","2","6","7","2","1") = "6"
    & skf21("4","6","2","2","6","7","3","1") = "6"
    & skf21("4","6","2","2","6","7","4","1") = "6"
    & skf21("4","6","2","2","6","7","5","1") = "6"
    & skf21("4","6","2","2","6","7","6","1") = "6"
    & skf21("4","6","2","2","6","7","7","1") = "6"
    & skf21("4","6","2","2","7","1","1","1") = "6"
    & skf21("4","6","2","2","7","1","2","1") = "6"
    & skf21("4","6","2","2","7","1","3","1") = "6"
    & skf21("4","6","2","2","7","1","4","1") = "6"
    & skf21("4","6","2","2","7","1","5","1") = "6"
    & skf21("4","6","2","2","7","1","6","1") = "6"
    & skf21("4","6","2","2","7","1","7","1") = "6"
    & skf21("4","6","2","2","7","2","1","1") = "6"
    & skf21("4","6","2","2","7","2","2","1") = "6"
    & skf21("4","6","2","2","7","2","3","1") = "6"
    & skf21("4","6","2","2","7","2","4","1") = "6"
    & skf21("4","6","2","2","7","2","5","1") = "6"
    & skf21("4","6","2","2","7","2","6","1") = "6"
    & skf21("4","6","2","2","7","2","7","1") = "6"
    & skf21("4","6","2","2","7","3","1","1") = "6"
    & skf21("4","6","2","2","7","3","2","1") = "6"
    & skf21("4","6","2","2","7","3","3","1") = "6"
    & skf21("4","6","2","2","7","3","4","1") = "6"
    & skf21("4","6","2","2","7","3","5","1") = "6"
    & skf21("4","6","2","2","7","3","6","1") = "6"
    & skf21("4","6","2","2","7","3","7","1") = "6"
    & skf21("4","6","2","2","7","4","1","1") = "6"
    & skf21("4","6","2","2","7","4","2","1") = "6"
    & skf21("4","6","2","2","7","4","3","1") = "6"
    & skf21("4","6","2","2","7","4","4","1") = "6"
    & skf21("4","6","2","2","7","4","5","1") = "6"
    & skf21("4","6","2","2","7","4","6","1") = "6"
    & skf21("4","6","2","2","7","4","7","1") = "6"
    & skf21("4","6","2","2","7","5","1","1") = "6"
    & skf21("4","6","2","2","7","5","2","1") = "6"
    & skf21("4","6","2","2","7","5","3","1") = "6"
    & skf21("4","6","2","2","7","5","4","1") = "6"
    & skf21("4","6","2","2","7","5","5","1") = "6"
    & skf21("4","6","2","2","7","5","6","1") = "6"
    & skf21("4","6","2","2","7","5","7","1") = "6"
    & skf21("4","6","2","2","7","6","1","1") = "6"
    & skf21("4","6","2","2","7","6","2","1") = "6"
    & skf21("4","6","2","2","7","6","3","1") = "6"
    & skf21("4","6","2","2","7","6","4","1") = "6"
    & skf21("4","6","2","2","7","6","5","1") = "6"
    & skf21("4","6","2","2","7","6","6","1") = "6"
    & skf21("4","6","2","2","7","6","7","1") = "6"
    & skf21("4","6","2","2","7","7","1","1") = "6"
    & skf21("4","6","2","2","7","7","2","1") = "6"
    & skf21("4","6","2","2","7","7","3","1") = "6"
    & skf21("4","6","2","2","7","7","4","1") = "6"
    & skf21("4","6","2","2","7","7","5","1") = "6"
    & skf21("4","6","2","2","7","7","6","1") = "6"
    & skf21("4","6","2","2","7","7","7","1") = "6"
    & skf21("4","6","2","3","1","1","1","1") = "5"
    & skf21("4","6","2","3","1","1","2","1") = "5"
    & skf21("4","6","2","3","1","1","3","1") = "5"
    & skf21("4","6","2","3","1","1","4","1") = "5"
    & skf21("4","6","2","3","1","1","5","1") = "5"
    & skf21("4","6","2","3","1","1","6","1") = "5"
    & skf21("4","6","2","3","1","1","7","1") = "6"
    & skf21("4","6","2","3","1","2","1","1") = "5"
    & skf21("4","6","2","3","1","2","2","1") = "5"
    & skf21("4","6","2","3","1","2","3","1") = "5"
    & skf21("4","6","2","3","1","2","4","1") = "5"
    & skf21("4","6","2","3","1","2","5","1") = "5"
    & skf21("4","6","2","3","1","2","6","1") = "5"
    & skf21("4","6","2","3","1","2","7","1") = "6"
    & skf21("4","6","2","3","1","3","1","1") = "5"
    & skf21("4","6","2","3","1","3","2","1") = "5"
    & skf21("4","6","2","3","1","3","3","1") = "5"
    & skf21("4","6","2","3","1","3","4","1") = "5"
    & skf21("4","6","2","3","1","3","5","1") = "5"
    & skf21("4","6","2","3","1","3","6","1") = "5"
    & skf21("4","6","2","3","1","3","7","1") = "6"
    & skf21("4","6","2","3","1","4","1","1") = "5"
    & skf21("4","6","2","3","1","4","2","1") = "5"
    & skf21("4","6","2","3","1","4","3","1") = "5"
    & skf21("4","6","2","3","1","4","4","1") = "5"
    & skf21("4","6","2","3","1","4","5","1") = "5"
    & skf21("4","6","2","3","1","4","6","1") = "5"
    & skf21("4","6","2","3","1","4","7","1") = "6"
    & skf21("4","6","2","3","1","5","1","1") = "5"
    & skf21("4","6","2","3","1","5","2","1") = "5"
    & skf21("4","6","2","3","1","5","3","1") = "5"
    & skf21("4","6","2","3","1","5","4","1") = "5"
    & skf21("4","6","2","3","1","5","5","1") = "5"
    & skf21("4","6","2","3","1","5","6","1") = "5"
    & skf21("4","6","2","3","1","5","7","1") = "6"
    & skf21("4","6","2","3","1","6","1","1") = "5"
    & skf21("4","6","2","3","1","6","2","1") = "5"
    & skf21("4","6","2","3","1","6","3","1") = "5"
    & skf21("4","6","2","3","1","6","4","1") = "5"
    & skf21("4","6","2","3","1","6","5","1") = "5"
    & skf21("4","6","2","3","1","6","6","1") = "5"
    & skf21("4","6","2","3","1","6","7","1") = "6"
    & skf21("4","6","2","3","1","7","1","1") = "6"
    & skf21("4","6","2","3","1","7","2","1") = "6"
    & skf21("4","6","2","3","1","7","3","1") = "6"
    & skf21("4","6","2","3","1","7","4","1") = "6"
    & skf21("4","6","2","3","1","7","5","1") = "6"
    & skf21("4","6","2","3","1","7","6","1") = "6"
    & skf21("4","6","2","3","1","7","7","1") = "6"
    & skf21("4","6","2","3","2","1","1","1") = "5"
    & skf21("4","6","2","3","2","1","2","1") = "5"
    & skf21("4","6","2","3","2","1","3","1") = "5"
    & skf21("4","6","2","3","2","1","4","1") = "5"
    & skf21("4","6","2","3","2","1","5","1") = "5"
    & skf21("4","6","2","3","2","1","6","1") = "5"
    & skf21("4","6","2","3","2","1","7","1") = "6"
    & skf21("4","6","2","3","2","2","1","1") = "5"
    & skf21("4","6","2","3","2","2","2","1") = "5"
    & skf21("4","6","2","3","2","2","3","1") = "5"
    & skf21("4","6","2","3","2","2","4","1") = "5"
    & skf21("4","6","2","3","2","2","5","1") = "5"
    & skf21("4","6","2","3","2","2","6","1") = "5"
    & skf21("4","6","2","3","2","2","7","1") = "6"
    & skf21("4","6","2","3","2","3","1","1") = "5"
    & skf21("4","6","2","3","2","3","2","1") = "5"
    & skf21("4","6","2","3","2","3","3","1") = "5"
    & skf21("4","6","2","3","2","3","4","1") = "5"
    & skf21("4","6","2","3","2","3","5","1") = "5"
    & skf21("4","6","2","3","2","3","6","1") = "5"
    & skf21("4","6","2","3","2","3","7","1") = "6"
    & skf21("4","6","2","3","2","4","1","1") = "5"
    & skf21("4","6","2","3","2","4","2","1") = "5"
    & skf21("4","6","2","3","2","4","3","1") = "5"
    & skf21("4","6","2","3","2","4","4","1") = "5"
    & skf21("4","6","2","3","2","4","5","1") = "5"
    & skf21("4","6","2","3","2","4","6","1") = "5"
    & skf21("4","6","2","3","2","4","7","1") = "6"
    & skf21("4","6","2","3","2","5","1","1") = "5"
    & skf21("4","6","2","3","2","5","2","1") = "5"
    & skf21("4","6","2","3","2","5","3","1") = "5"
    & skf21("4","6","2","3","2","5","4","1") = "5"
    & skf21("4","6","2","3","2","5","5","1") = "5"
    & skf21("4","6","2","3","2","5","6","1") = "5"
    & skf21("4","6","2","3","2","5","7","1") = "6"
    & skf21("4","6","2","3","2","6","1","1") = "5"
    & skf21("4","6","2","3","2","6","2","1") = "5"
    & skf21("4","6","2","3","2","6","3","1") = "5"
    & skf21("4","6","2","3","2","6","4","1") = "5"
    & skf21("4","6","2","3","2","6","5","1") = "5"
    & skf21("4","6","2","3","2","6","6","1") = "5"
    & skf21("4","6","2","3","2","6","7","1") = "6"
    & skf21("4","6","2","3","2","7","1","1") = "6"
    & skf21("4","6","2","3","2","7","2","1") = "6"
    & skf21("4","6","2","3","2","7","3","1") = "6"
    & skf21("4","6","2","3","2","7","4","1") = "6"
    & skf21("4","6","2","3","2","7","5","1") = "6"
    & skf21("4","6","2","3","2","7","6","1") = "6"
    & skf21("4","6","2","3","2","7","7","1") = "6"
    & skf21("4","6","2","3","3","1","1","1") = "5"
    & skf21("4","6","2","3","3","1","2","1") = "5"
    & skf21("4","6","2","3","3","1","3","1") = "5"
    & skf21("4","6","2","3","3","1","4","1") = "5"
    & skf21("4","6","2","3","3","1","5","1") = "5"
    & skf21("4","6","2","3","3","1","6","1") = "5"
    & skf21("4","6","2","3","3","1","7","1") = "6"
    & skf21("4","6","2","3","3","2","1","1") = "5"
    & skf21("4","6","2","3","3","2","2","1") = "5"
    & skf21("4","6","2","3","3","2","3","1") = "5"
    & skf21("4","6","2","3","3","2","4","1") = "5"
    & skf21("4","6","2","3","3","2","5","1") = "5"
    & skf21("4","6","2","3","3","2","6","1") = "5"
    & skf21("4","6","2","3","3","2","7","1") = "6"
    & skf21("4","6","2","3","3","3","1","1") = "5"
    & skf21("4","6","2","3","3","3","2","1") = "5"
    & skf21("4","6","2","3","3","3","3","1") = "5"
    & skf21("4","6","2","3","3","3","4","1") = "5"
    & skf21("4","6","2","3","3","3","5","1") = "5"
    & skf21("4","6","2","3","3","3","6","1") = "5"
    & skf21("4","6","2","3","3","3","7","1") = "6"
    & skf21("4","6","2","3","3","4","1","1") = "5"
    & skf21("4","6","2","3","3","4","2","1") = "5"
    & skf21("4","6","2","3","3","4","3","1") = "5"
    & skf21("4","6","2","3","3","4","4","1") = "5"
    & skf21("4","6","2","3","3","4","5","1") = "5"
    & skf21("4","6","2","3","3","4","6","1") = "5"
    & skf21("4","6","2","3","3","4","7","1") = "6"
    & skf21("4","6","2","3","3","5","1","1") = "5"
    & skf21("4","6","2","3","3","5","2","1") = "5"
    & skf21("4","6","2","3","3","5","3","1") = "5"
    & skf21("4","6","2","3","3","5","4","1") = "5"
    & skf21("4","6","2","3","3","5","5","1") = "5"
    & skf21("4","6","2","3","3","5","6","1") = "5"
    & skf21("4","6","2","3","3","5","7","1") = "6"
    & skf21("4","6","2","3","3","6","1","1") = "5"
    & skf21("4","6","2","3","3","6","2","1") = "5"
    & skf21("4","6","2","3","3","6","3","1") = "5"
    & skf21("4","6","2","3","3","6","4","1") = "5"
    & skf21("4","6","2","3","3","6","5","1") = "5"
    & skf21("4","6","2","3","3","6","6","1") = "5"
    & skf21("4","6","2","3","3","6","7","1") = "6"
    & skf21("4","6","2","3","3","7","1","1") = "6"
    & skf21("4","6","2","3","3","7","2","1") = "6"
    & skf21("4","6","2","3","3","7","3","1") = "6"
    & skf21("4","6","2","3","3","7","4","1") = "6"
    & skf21("4","6","2","3","3","7","5","1") = "6"
    & skf21("4","6","2","3","3","7","6","1") = "6"
    & skf21("4","6","2","3","3","7","7","1") = "6"
    & skf21("4","6","2","3","4","1","1","1") = "5"
    & skf21("4","6","2","3","4","1","2","1") = "5"
    & skf21("4","6","2","3","4","1","3","1") = "5"
    & skf21("4","6","2","3","4","1","4","1") = "5"
    & skf21("4","6","2","3","4","1","5","1") = "5"
    & skf21("4","6","2","3","4","1","6","1") = "5"
    & skf21("4","6","2","3","4","1","7","1") = "6"
    & skf21("4","6","2","3","4","2","1","1") = "5"
    & skf21("4","6","2","3","4","2","2","1") = "5"
    & skf21("4","6","2","3","4","2","3","1") = "5"
    & skf21("4","6","2","3","4","2","4","1") = "5"
    & skf21("4","6","2","3","4","2","5","1") = "5"
    & skf21("4","6","2","3","4","2","6","1") = "5"
    & skf21("4","6","2","3","4","2","7","1") = "6"
    & skf21("4","6","2","3","4","3","1","1") = "5"
    & skf21("4","6","2","3","4","3","2","1") = "5"
    & skf21("4","6","2","3","4","3","3","1") = "5"
    & skf21("4","6","2","3","4","3","4","1") = "5"
    & skf21("4","6","2","3","4","3","5","1") = "5"
    & skf21("4","6","2","3","4","3","6","1") = "5"
    & skf21("4","6","2","3","4","3","7","1") = "6"
    & skf21("4","6","2","3","4","4","1","1") = "5"
    & skf21("4","6","2","3","4","4","2","1") = "5"
    & skf21("4","6","2","3","4","4","3","1") = "5"
    & skf21("4","6","2","3","4","4","4","1") = "5"
    & skf21("4","6","2","3","4","4","5","1") = "5"
    & skf21("4","6","2","3","4","4","6","1") = "5"
    & skf21("4","6","2","3","4","4","7","1") = "6"
    & skf21("4","6","2","3","4","5","1","1") = "5"
    & skf21("4","6","2","3","4","5","2","1") = "5"
    & skf21("4","6","2","3","4","5","3","1") = "5"
    & skf21("4","6","2","3","4","5","4","1") = "5"
    & skf21("4","6","2","3","4","5","5","1") = "5"
    & skf21("4","6","2","3","4","5","6","1") = "5"
    & skf21("4","6","2","3","4","5","7","1") = "6"
    & skf21("4","6","2","3","4","6","1","1") = "5"
    & skf21("4","6","2","3","4","6","2","1") = "5"
    & skf21("4","6","2","3","4","6","3","1") = "5"
    & skf21("4","6","2","3","4","6","4","1") = "5"
    & skf21("4","6","2","3","4","6","5","1") = "5"
    & skf21("4","6","2","3","4","6","6","1") = "5"
    & skf21("4","6","2","3","4","6","7","1") = "6"
    & skf21("4","6","2","3","4","7","1","1") = "6"
    & skf21("4","6","2","3","4","7","2","1") = "6"
    & skf21("4","6","2","3","4","7","3","1") = "6"
    & skf21("4","6","2","3","4","7","4","1") = "6"
    & skf21("4","6","2","3","4","7","5","1") = "6"
    & skf21("4","6","2","3","4","7","6","1") = "6"
    & skf21("4","6","2","3","4","7","7","1") = "6"
    & skf21("4","6","2","3","5","1","1","1") = "5"
    & skf21("4","6","2","3","5","1","2","1") = "5"
    & skf21("4","6","2","3","5","1","3","1") = "5"
    & skf21("4","6","2","3","5","1","4","1") = "5"
    & skf21("4","6","2","3","5","1","5","1") = "5"
    & skf21("4","6","2","3","5","1","6","1") = "5"
    & skf21("4","6","2","3","5","1","7","1") = "6"
    & skf21("4","6","2","3","5","2","1","1") = "5"
    & skf21("4","6","2","3","5","2","2","1") = "5"
    & skf21("4","6","2","3","5","2","3","1") = "5"
    & skf21("4","6","2","3","5","2","4","1") = "5"
    & skf21("4","6","2","3","5","2","5","1") = "5"
    & skf21("4","6","2","3","5","2","6","1") = "5"
    & skf21("4","6","2","3","5","2","7","1") = "6"
    & skf21("4","6","2","3","5","3","1","1") = "5"
    & skf21("4","6","2","3","5","3","2","1") = "5"
    & skf21("4","6","2","3","5","3","3","1") = "5"
    & skf21("4","6","2","3","5","3","4","1") = "5"
    & skf21("4","6","2","3","5","3","5","1") = "5"
    & skf21("4","6","2","3","5","3","6","1") = "5"
    & skf21("4","6","2","3","5","3","7","1") = "6"
    & skf21("4","6","2","3","5","4","1","1") = "5"
    & skf21("4","6","2","3","5","4","2","1") = "5"
    & skf21("4","6","2","3","5","4","3","1") = "5"
    & skf21("4","6","2","3","5","4","4","1") = "5"
    & skf21("4","6","2","3","5","4","5","1") = "5"
    & skf21("4","6","2","3","5","4","6","1") = "5"
    & skf21("4","6","2","3","5","4","7","1") = "6"
    & skf21("4","6","2","3","5","5","1","1") = "5"
    & skf21("4","6","2","3","5","5","2","1") = "5"
    & skf21("4","6","2","3","5","5","3","1") = "5"
    & skf21("4","6","2","3","5","5","4","1") = "5"
    & skf21("4","6","2","3","5","5","5","1") = "5"
    & skf21("4","6","2","3","5","5","6","1") = "5"
    & skf21("4","6","2","3","5","5","7","1") = "6"
    & skf21("4","6","2","3","5","6","1","1") = "5"
    & skf21("4","6","2","3","5","6","2","1") = "5"
    & skf21("4","6","2","3","5","6","3","1") = "5"
    & skf21("4","6","2","3","5","6","4","1") = "5"
    & skf21("4","6","2","3","5","6","5","1") = "5"
    & skf21("4","6","2","3","5","6","6","1") = "5"
    & skf21("4","6","2","3","5","6","7","1") = "6"
    & skf21("4","6","2","3","5","7","1","1") = "6"
    & skf21("4","6","2","3","5","7","2","1") = "6"
    & skf21("4","6","2","3","5","7","3","1") = "6"
    & skf21("4","6","2","3","5","7","4","1") = "6"
    & skf21("4","6","2","3","5","7","5","1") = "6"
    & skf21("4","6","2","3","5","7","6","1") = "6"
    & skf21("4","6","2","3","5","7","7","1") = "6"
    & skf21("4","6","2","3","6","1","1","1") = "5"
    & skf21("4","6","2","3","6","1","2","1") = "5"
    & skf21("4","6","2","3","6","1","3","1") = "5"
    & skf21("4","6","2","3","6","1","4","1") = "5"
    & skf21("4","6","2","3","6","1","5","1") = "5"
    & skf21("4","6","2","3","6","1","6","1") = "5"
    & skf21("4","6","2","3","6","1","7","1") = "6"
    & skf21("4","6","2","3","6","2","1","1") = "5"
    & skf21("4","6","2","3","6","2","2","1") = "5"
    & skf21("4","6","2","3","6","2","3","1") = "5"
    & skf21("4","6","2","3","6","2","4","1") = "5"
    & skf21("4","6","2","3","6","2","5","1") = "5"
    & skf21("4","6","2","3","6","2","6","1") = "5"
    & skf21("4","6","2","3","6","2","7","1") = "6"
    & skf21("4","6","2","3","6","3","1","1") = "5"
    & skf21("4","6","2","3","6","3","2","1") = "5"
    & skf21("4","6","2","3","6","3","3","1") = "5"
    & skf21("4","6","2","3","6","3","4","1") = "5"
    & skf21("4","6","2","3","6","3","5","1") = "5"
    & skf21("4","6","2","3","6","3","6","1") = "5"
    & skf21("4","6","2","3","6","3","7","1") = "6"
    & skf21("4","6","2","3","6","4","1","1") = "5"
    & skf21("4","6","2","3","6","4","2","1") = "5"
    & skf21("4","6","2","3","6","4","3","1") = "5"
    & skf21("4","6","2","3","6","4","4","1") = "5"
    & skf21("4","6","2","3","6","4","5","1") = "5"
    & skf21("4","6","2","3","6","4","6","1") = "5"
    & skf21("4","6","2","3","6","4","7","1") = "6"
    & skf21("4","6","2","3","6","5","1","1") = "5"
    & skf21("4","6","2","3","6","5","2","1") = "5"
    & skf21("4","6","2","3","6","5","3","1") = "5"
    & skf21("4","6","2","3","6","5","4","1") = "5"
    & skf21("4","6","2","3","6","5","5","1") = "5"
    & skf21("4","6","2","3","6","5","6","1") = "5"
    & skf21("4","6","2","3","6","5","7","1") = "6"
    & skf21("4","6","2","3","6","6","1","1") = "5"
    & skf21("4","6","2","3","6","6","2","1") = "5"
    & skf21("4","6","2","3","6","6","3","1") = "5"
    & skf21("4","6","2","3","6","6","4","1") = "5"
    & skf21("4","6","2","3","6","6","5","1") = "5"
    & skf21("4","6","2","3","6","6","6","1") = "5"
    & skf21("4","6","2","3","6","6","7","1") = "6"
    & skf21("4","6","2","3","6","7","1","1") = "6"
    & skf21("4","6","2","3","6","7","2","1") = "6"
    & skf21("4","6","2","3","6","7","3","1") = "6"
    & skf21("4","6","2","3","6","7","4","1") = "6"
    & skf21("4","6","2","3","6","7","5","1") = "6"
    & skf21("4","6","2","3","6","7","6","1") = "6"
    & skf21("4","6","2","3","6","7","7","1") = "6"
    & skf21("4","6","2","3","7","1","1","1") = "6"
    & skf21("4","6","2","3","7","1","2","1") = "6"
    & skf21("4","6","2","3","7","1","3","1") = "6"
    & skf21("4","6","2","3","7","1","4","1") = "6"
    & skf21("4","6","2","3","7","1","5","1") = "6"
    & skf21("4","6","2","3","7","1","6","1") = "6"
    & skf21("4","6","2","3","7","1","7","1") = "6"
    & skf21("4","6","2","3","7","2","1","1") = "6"
    & skf21("4","6","2","3","7","2","2","1") = "6"
    & skf21("4","6","2","3","7","2","3","1") = "6"
    & skf21("4","6","2","3","7","2","4","1") = "6"
    & skf21("4","6","2","3","7","2","5","1") = "6"
    & skf21("4","6","2","3","7","2","6","1") = "6"
    & skf21("4","6","2","3","7","2","7","1") = "6"
    & skf21("4","6","2","3","7","3","1","1") = "6"
    & skf21("4","6","2","3","7","3","2","1") = "6"
    & skf21("4","6","2","3","7","3","3","1") = "6"
    & skf21("4","6","2","3","7","3","4","1") = "6"
    & skf21("4","6","2","3","7","3","5","1") = "6"
    & skf21("4","6","2","3","7","3","6","1") = "6"
    & skf21("4","6","2","3","7","3","7","1") = "6"
    & skf21("4","6","2","3","7","4","1","1") = "6"
    & skf21("4","6","2","3","7","4","2","1") = "6"
    & skf21("4","6","2","3","7","4","3","1") = "6"
    & skf21("4","6","2","3","7","4","4","1") = "6"
    & skf21("4","6","2","3","7","4","5","1") = "6"
    & skf21("4","6","2","3","7","4","6","1") = "6"
    & skf21("4","6","2","3","7","4","7","1") = "6"
    & skf21("4","6","2","3","7","5","1","1") = "6"
    & skf21("4","6","2","3","7","5","2","1") = "6"
    & skf21("4","6","2","3","7","5","3","1") = "6"
    & skf21("4","6","2","3","7","5","4","1") = "6"
    & skf21("4","6","2","3","7","5","5","1") = "6"
    & skf21("4","6","2","3","7","5","6","1") = "6"
    & skf21("4","6","2","3","7","5","7","1") = "6"
    & skf21("4","6","2","3","7","6","1","1") = "6"
    & skf21("4","6","2","3","7","6","2","1") = "6"
    & skf21("4","6","2","3","7","6","3","1") = "6"
    & skf21("4","6","2","3","7","6","4","1") = "6"
    & skf21("4","6","2","3","7","6","5","1") = "6"
    & skf21("4","6","2","3","7","6","6","1") = "6"
    & skf21("4","6","2","3","7","6","7","1") = "6"
    & skf21("4","6","2","3","7","7","1","1") = "6"
    & skf21("4","6","2","3","7","7","2","1") = "6"
    & skf21("4","6","2","3","7","7","3","1") = "6"
    & skf21("4","6","2","3","7","7","4","1") = "6"
    & skf21("4","6","2","3","7","7","5","1") = "6"
    & skf21("4","6","2","3","7","7","6","1") = "6"
    & skf21("4","6","2","3","7","7","7","1") = "6"
    & skf21("4","6","2","4","1","1","1","1") = "5"
    & skf21("4","6","2","4","1","1","2","1") = "5"
    & skf21("4","6","2","4","1","1","3","1") = "5"
    & skf21("4","6","2","4","1","1","4","1") = "5"
    & skf21("4","6","2","4","1","1","5","1") = "5"
    & skf21("4","6","2","4","1","1","6","1") = "5"
    & skf21("4","6","2","4","1","1","7","1") = "6"
    & skf21("4","6","2","4","1","2","1","1") = "5"
    & skf21("4","6","2","4","1","2","2","1") = "5"
    & skf21("4","6","2","4","1","2","3","1") = "5"
    & skf21("4","6","2","4","1","2","4","1") = "5"
    & skf21("4","6","2","4","1","2","5","1") = "5"
    & skf21("4","6","2","4","1","2","6","1") = "5"
    & skf21("4","6","2","4","1","2","7","1") = "6"
    & skf21("4","6","2","4","1","3","1","1") = "5"
    & skf21("4","6","2","4","1","3","2","1") = "5"
    & skf21("4","6","2","4","1","3","3","1") = "5"
    & skf21("4","6","2","4","1","3","4","1") = "5"
    & skf21("4","6","2","4","1","3","5","1") = "5"
    & skf21("4","6","2","4","1","3","6","1") = "5"
    & skf21("4","6","2","4","1","3","7","1") = "6"
    & skf21("4","6","2","4","1","4","1","1") = "5"
    & skf21("4","6","2","4","1","4","2","1") = "5"
    & skf21("4","6","2","4","1","4","3","1") = "5"
    & skf21("4","6","2","4","1","4","4","1") = "5"
    & skf21("4","6","2","4","1","4","5","1") = "5"
    & skf21("4","6","2","4","1","4","6","1") = "5"
    & skf21("4","6","2","4","1","4","7","1") = "6"
    & skf21("4","6","2","4","1","5","1","1") = "5"
    & skf21("4","6","2","4","1","5","2","1") = "5"
    & skf21("4","6","2","4","1","5","3","1") = "5"
    & skf21("4","6","2","4","1","5","4","1") = "5"
    & skf21("4","6","2","4","1","5","5","1") = "5"
    & skf21("4","6","2","4","1","5","6","1") = "5"
    & skf21("4","6","2","4","1","5","7","1") = "6"
    & skf21("4","6","2","4","1","6","1","1") = "5"
    & skf21("4","6","2","4","1","6","2","1") = "5"
    & skf21("4","6","2","4","1","6","3","1") = "5"
    & skf21("4","6","2","4","1","6","4","1") = "5"
    & skf21("4","6","2","4","1","6","5","1") = "5"
    & skf21("4","6","2","4","1","6","6","1") = "5"
    & skf21("4","6","2","4","1","6","7","1") = "6"
    & skf21("4","6","2","4","1","7","1","1") = "6"
    & skf21("4","6","2","4","1","7","2","1") = "6"
    & skf21("4","6","2","4","1","7","3","1") = "6"
    & skf21("4","6","2","4","1","7","4","1") = "6"
    & skf21("4","6","2","4","1","7","5","1") = "6"
    & skf21("4","6","2","4","1","7","6","1") = "6"
    & skf21("4","6","2","4","1","7","7","1") = "6"
    & skf21("4","6","2","4","2","1","1","1") = "5"
    & skf21("4","6","2","4","2","1","2","1") = "5"
    & skf21("4","6","2","4","2","1","3","1") = "5"
    & skf21("4","6","2","4","2","1","4","1") = "5"
    & skf21("4","6","2","4","2","1","5","1") = "5"
    & skf21("4","6","2","4","2","1","6","1") = "5"
    & skf21("4","6","2","4","2","1","7","1") = "6"
    & skf21("4","6","2","4","2","2","1","1") = "5"
    & skf21("4","6","2","4","2","2","2","1") = "5"
    & skf21("4","6","2","4","2","2","3","1") = "5"
    & skf21("4","6","2","4","2","2","4","1") = "5"
    & skf21("4","6","2","4","2","2","5","1") = "5"
    & skf21("4","6","2","4","2","2","6","1") = "5"
    & skf21("4","6","2","4","2","2","7","1") = "6"
    & skf21("4","6","2","4","2","3","1","1") = "5"
    & skf21("4","6","2","4","2","3","2","1") = "5"
    & skf21("4","6","2","4","2","3","3","1") = "5"
    & skf21("4","6","2","4","2","3","4","1") = "5"
    & skf21("4","6","2","4","2","3","5","1") = "5"
    & skf21("4","6","2","4","2","3","6","1") = "5"
    & skf21("4","6","2","4","2","3","7","1") = "6"
    & skf21("4","6","2","4","2","4","1","1") = "5"
    & skf21("4","6","2","4","2","4","2","1") = "5"
    & skf21("4","6","2","4","2","4","3","1") = "5"
    & skf21("4","6","2","4","2","4","4","1") = "5"
    & skf21("4","6","2","4","2","4","5","1") = "5"
    & skf21("4","6","2","4","2","4","6","1") = "5"
    & skf21("4","6","2","4","2","4","7","1") = "6"
    & skf21("4","6","2","4","2","5","1","1") = "5"
    & skf21("4","6","2","4","2","5","2","1") = "5"
    & skf21("4","6","2","4","2","5","3","1") = "5"
    & skf21("4","6","2","4","2","5","4","1") = "5"
    & skf21("4","6","2","4","2","5","5","1") = "5"
    & skf21("4","6","2","4","2","5","6","1") = "5"
    & skf21("4","6","2","4","2","5","7","1") = "6"
    & skf21("4","6","2","4","2","6","1","1") = "5"
    & skf21("4","6","2","4","2","6","2","1") = "5"
    & skf21("4","6","2","4","2","6","3","1") = "5"
    & skf21("4","6","2","4","2","6","4","1") = "5"
    & skf21("4","6","2","4","2","6","5","1") = "5"
    & skf21("4","6","2","4","2","6","6","1") = "5"
    & skf21("4","6","2","4","2","6","7","1") = "6"
    & skf21("4","6","2","4","2","7","1","1") = "6"
    & skf21("4","6","2","4","2","7","2","1") = "6"
    & skf21("4","6","2","4","2","7","3","1") = "6"
    & skf21("4","6","2","4","2","7","4","1") = "6"
    & skf21("4","6","2","4","2","7","5","1") = "6"
    & skf21("4","6","2","4","2","7","6","1") = "6"
    & skf21("4","6","2","4","2","7","7","1") = "6"
    & skf21("4","6","2","4","3","1","1","1") = "5"
    & skf21("4","6","2","4","3","1","2","1") = "5"
    & skf21("4","6","2","4","3","1","3","1") = "5"
    & skf21("4","6","2","4","3","1","4","1") = "5"
    & skf21("4","6","2","4","3","1","5","1") = "5"
    & skf21("4","6","2","4","3","1","6","1") = "5"
    & skf21("4","6","2","4","3","1","7","1") = "6"
    & skf21("4","6","2","4","3","2","1","1") = "5"
    & skf21("4","6","2","4","3","2","2","1") = "5"
    & skf21("4","6","2","4","3","2","3","1") = "5"
    & skf21("4","6","2","4","3","2","4","1") = "5"
    & skf21("4","6","2","4","3","2","5","1") = "5"
    & skf21("4","6","2","4","3","2","6","1") = "5"
    & skf21("4","6","2","4","3","2","7","1") = "6"
    & skf21("4","6","2","4","3","3","1","1") = "5"
    & skf21("4","6","2","4","3","3","2","1") = "5"
    & skf21("4","6","2","4","3","3","3","1") = "5"
    & skf21("4","6","2","4","3","3","4","1") = "5"
    & skf21("4","6","2","4","3","3","5","1") = "5"
    & skf21("4","6","2","4","3","3","6","1") = "5"
    & skf21("4","6","2","4","3","3","7","1") = "6"
    & skf21("4","6","2","4","3","4","1","1") = "5"
    & skf21("4","6","2","4","3","4","2","1") = "5"
    & skf21("4","6","2","4","3","4","3","1") = "5"
    & skf21("4","6","2","4","3","4","4","1") = "5"
    & skf21("4","6","2","4","3","4","5","1") = "5"
    & skf21("4","6","2","4","3","4","6","1") = "5"
    & skf21("4","6","2","4","3","4","7","1") = "6"
    & skf21("4","6","2","4","3","5","1","1") = "5"
    & skf21("4","6","2","4","3","5","2","1") = "5"
    & skf21("4","6","2","4","3","5","3","1") = "5"
    & skf21("4","6","2","4","3","5","4","1") = "5"
    & skf21("4","6","2","4","3","5","5","1") = "5"
    & skf21("4","6","2","4","3","5","6","1") = "5"
    & skf21("4","6","2","4","3","5","7","1") = "6"
    & skf21("4","6","2","4","3","6","1","1") = "5"
    & skf21("4","6","2","4","3","6","2","1") = "5"
    & skf21("4","6","2","4","3","6","3","1") = "5"
    & skf21("4","6","2","4","3","6","4","1") = "5"
    & skf21("4","6","2","4","3","6","5","1") = "5"
    & skf21("4","6","2","4","3","6","6","1") = "5"
    & skf21("4","6","2","4","3","6","7","1") = "6"
    & skf21("4","6","2","4","3","7","1","1") = "6"
    & skf21("4","6","2","4","3","7","2","1") = "6"
    & skf21("4","6","2","4","3","7","3","1") = "6"
    & skf21("4","6","2","4","3","7","4","1") = "6"
    & skf21("4","6","2","4","3","7","5","1") = "6"
    & skf21("4","6","2","4","3","7","6","1") = "6"
    & skf21("4","6","2","4","3","7","7","1") = "6"
    & skf21("4","6","2","4","4","1","1","1") = "5"
    & skf21("4","6","2","4","4","1","2","1") = "5"
    & skf21("4","6","2","4","4","1","3","1") = "5"
    & skf21("4","6","2","4","4","1","4","1") = "5"
    & skf21("4","6","2","4","4","1","5","1") = "5"
    & skf21("4","6","2","4","4","1","6","1") = "5"
    & skf21("4","6","2","4","4","1","7","1") = "6"
    & skf21("4","6","2","4","4","2","1","1") = "5"
    & skf21("4","6","2","4","4","2","2","1") = "5"
    & skf21("4","6","2","4","4","2","3","1") = "5"
    & skf21("4","6","2","4","4","2","4","1") = "5"
    & skf21("4","6","2","4","4","2","5","1") = "5"
    & skf21("4","6","2","4","4","2","6","1") = "5"
    & skf21("4","6","2","4","4","2","7","1") = "6"
    & skf21("4","6","2","4","4","3","1","1") = "5"
    & skf21("4","6","2","4","4","3","2","1") = "5"
    & skf21("4","6","2","4","4","3","3","1") = "5"
    & skf21("4","6","2","4","4","3","4","1") = "5"
    & skf21("4","6","2","4","4","3","5","1") = "5"
    & skf21("4","6","2","4","4","3","6","1") = "5"
    & skf21("4","6","2","4","4","3","7","1") = "6"
    & skf21("4","6","2","4","4","4","1","1") = "5"
    & skf21("4","6","2","4","4","4","2","1") = "5"
    & skf21("4","6","2","4","4","4","3","1") = "5"
    & skf21("4","6","2","4","4","4","4","1") = "5"
    & skf21("4","6","2","4","4","4","5","1") = "5"
    & skf21("4","6","2","4","4","4","6","1") = "5"
    & skf21("4","6","2","4","4","4","7","1") = "6"
    & skf21("4","6","2","4","4","5","1","1") = "5"
    & skf21("4","6","2","4","4","5","2","1") = "5"
    & skf21("4","6","2","4","4","5","3","1") = "5"
    & skf21("4","6","2","4","4","5","4","1") = "5"
    & skf21("4","6","2","4","4","5","5","1") = "5"
    & skf21("4","6","2","4","4","5","6","1") = "5"
    & skf21("4","6","2","4","4","5","7","1") = "6"
    & skf21("4","6","2","4","4","6","1","1") = "5"
    & skf21("4","6","2","4","4","6","2","1") = "5"
    & skf21("4","6","2","4","4","6","3","1") = "5"
    & skf21("4","6","2","4","4","6","4","1") = "5"
    & skf21("4","6","2","4","4","6","5","1") = "5"
    & skf21("4","6","2","4","4","6","6","1") = "5"
    & skf21("4","6","2","4","4","6","7","1") = "6"
    & skf21("4","6","2","4","4","7","1","1") = "6"
    & skf21("4","6","2","4","4","7","2","1") = "6"
    & skf21("4","6","2","4","4","7","3","1") = "6"
    & skf21("4","6","2","4","4","7","4","1") = "6"
    & skf21("4","6","2","4","4","7","5","1") = "6"
    & skf21("4","6","2","4","4","7","6","1") = "6"
    & skf21("4","6","2","4","4","7","7","1") = "6"
    & skf21("4","6","2","4","5","1","1","1") = "5"
    & skf21("4","6","2","4","5","1","2","1") = "5"
    & skf21("4","6","2","4","5","1","3","1") = "5"
    & skf21("4","6","2","4","5","1","4","1") = "5"
    & skf21("4","6","2","4","5","1","5","1") = "5"
    & skf21("4","6","2","4","5","1","6","1") = "5"
    & skf21("4","6","2","4","5","1","7","1") = "6"
    & skf21("4","6","2","4","5","2","1","1") = "5"
    & skf21("4","6","2","4","5","2","2","1") = "5"
    & skf21("4","6","2","4","5","2","3","1") = "5"
    & skf21("4","6","2","4","5","2","4","1") = "5"
    & skf21("4","6","2","4","5","2","5","1") = "5"
    & skf21("4","6","2","4","5","2","6","1") = "5"
    & skf21("4","6","2","4","5","2","7","1") = "6"
    & skf21("4","6","2","4","5","3","1","1") = "5"
    & skf21("4","6","2","4","5","3","2","1") = "5"
    & skf21("4","6","2","4","5","3","3","1") = "5"
    & skf21("4","6","2","4","5","3","4","1") = "5"
    & skf21("4","6","2","4","5","3","5","1") = "5"
    & skf21("4","6","2","4","5","3","6","1") = "5"
    & skf21("4","6","2","4","5","3","7","1") = "6"
    & skf21("4","6","2","4","5","4","1","1") = "5"
    & skf21("4","6","2","4","5","4","2","1") = "5"
    & skf21("4","6","2","4","5","4","3","1") = "5"
    & skf21("4","6","2","4","5","4","4","1") = "5"
    & skf21("4","6","2","4","5","4","5","1") = "5"
    & skf21("4","6","2","4","5","4","6","1") = "5"
    & skf21("4","6","2","4","5","4","7","1") = "6"
    & skf21("4","6","2","4","5","5","1","1") = "5"
    & skf21("4","6","2","4","5","5","2","1") = "5"
    & skf21("4","6","2","4","5","5","3","1") = "5"
    & skf21("4","6","2","4","5","5","4","1") = "5"
    & skf21("4","6","2","4","5","5","5","1") = "5"
    & skf21("4","6","2","4","5","5","6","1") = "5"
    & skf21("4","6","2","4","5","5","7","1") = "6"
    & skf21("4","6","2","4","5","6","1","1") = "5"
    & skf21("4","6","2","4","5","6","2","1") = "5"
    & skf21("4","6","2","4","5","6","3","1") = "5"
    & skf21("4","6","2","4","5","6","4","1") = "5"
    & skf21("4","6","2","4","5","6","5","1") = "5"
    & skf21("4","6","2","4","5","6","6","1") = "5"
    & skf21("4","6","2","4","5","6","7","1") = "6"
    & skf21("4","6","2","4","5","7","1","1") = "6"
    & skf21("4","6","2","4","5","7","2","1") = "6"
    & skf21("4","6","2","4","5","7","3","1") = "6"
    & skf21("4","6","2","4","5","7","4","1") = "6"
    & skf21("4","6","2","4","5","7","5","1") = "6"
    & skf21("4","6","2","4","5","7","6","1") = "6"
    & skf21("4","6","2","4","5","7","7","1") = "6"
    & skf21("4","6","2","4","6","1","1","1") = "5"
    & skf21("4","6","2","4","6","1","2","1") = "5"
    & skf21("4","6","2","4","6","1","3","1") = "5"
    & skf21("4","6","2","4","6","1","4","1") = "5"
    & skf21("4","6","2","4","6","1","5","1") = "5"
    & skf21("4","6","2","4","6","1","6","1") = "5"
    & skf21("4","6","2","4","6","1","7","1") = "6"
    & skf21("4","6","2","4","6","2","1","1") = "5"
    & skf21("4","6","2","4","6","2","2","1") = "5"
    & skf21("4","6","2","4","6","2","3","1") = "5"
    & skf21("4","6","2","4","6","2","4","1") = "5"
    & skf21("4","6","2","4","6","2","5","1") = "5"
    & skf21("4","6","2","4","6","2","6","1") = "5"
    & skf21("4","6","2","4","6","2","7","1") = "6"
    & skf21("4","6","2","4","6","3","1","1") = "5"
    & skf21("4","6","2","4","6","3","2","1") = "5"
    & skf21("4","6","2","4","6","3","3","1") = "5"
    & skf21("4","6","2","4","6","3","4","1") = "5"
    & skf21("4","6","2","4","6","3","5","1") = "5"
    & skf21("4","6","2","4","6","3","6","1") = "5"
    & skf21("4","6","2","4","6","3","7","1") = "6"
    & skf21("4","6","2","4","6","4","1","1") = "5"
    & skf21("4","6","2","4","6","4","2","1") = "5"
    & skf21("4","6","2","4","6","4","3","1") = "5"
    & skf21("4","6","2","4","6","4","4","1") = "5"
    & skf21("4","6","2","4","6","4","5","1") = "5"
    & skf21("4","6","2","4","6","4","6","1") = "5"
    & skf21("4","6","2","4","6","4","7","1") = "6"
    & skf21("4","6","2","4","6","5","1","1") = "5"
    & skf21("4","6","2","4","6","5","2","1") = "5"
    & skf21("4","6","2","4","6","5","3","1") = "5"
    & skf21("4","6","2","4","6","5","4","1") = "5"
    & skf21("4","6","2","4","6","5","5","1") = "5"
    & skf21("4","6","2","4","6","5","6","1") = "5"
    & skf21("4","6","2","4","6","5","7","1") = "6"
    & skf21("4","6","2","4","6","6","1","1") = "5"
    & skf21("4","6","2","4","6","6","2","1") = "5"
    & skf21("4","6","2","4","6","6","3","1") = "5"
    & skf21("4","6","2","4","6","6","4","1") = "5"
    & skf21("4","6","2","4","6","6","5","1") = "5"
    & skf21("4","6","2","4","6","6","6","1") = "5"
    & skf21("4","6","2","4","6","6","7","1") = "6"
    & skf21("4","6","2","4","6","7","1","1") = "6"
    & skf21("4","6","2","4","6","7","2","1") = "6"
    & skf21("4","6","2","4","6","7","3","1") = "6"
    & skf21("4","6","2","4","6","7","4","1") = "6"
    & skf21("4","6","2","4","6","7","5","1") = "6"
    & skf21("4","6","2","4","6","7","6","1") = "6"
    & skf21("4","6","2","4","6","7","7","1") = "6"
    & skf21("4","6","2","4","7","1","1","1") = "6"
    & skf21("4","6","2","4","7","1","2","1") = "6"
    & skf21("4","6","2","4","7","1","3","1") = "6"
    & skf21("4","6","2","4","7","1","4","1") = "6"
    & skf21("4","6","2","4","7","1","5","1") = "6"
    & skf21("4","6","2","4","7","1","6","1") = "6"
    & skf21("4","6","2","4","7","1","7","1") = "6"
    & skf21("4","6","2","4","7","2","1","1") = "6"
    & skf21("4","6","2","4","7","2","2","1") = "6"
    & skf21("4","6","2","4","7","2","3","1") = "6"
    & skf21("4","6","2","4","7","2","4","1") = "6"
    & skf21("4","6","2","4","7","2","5","1") = "6"
    & skf21("4","6","2","4","7","2","6","1") = "6"
    & skf21("4","6","2","4","7","2","7","1") = "6"
    & skf21("4","6","2","4","7","3","1","1") = "6"
    & skf21("4","6","2","4","7","3","2","1") = "6"
    & skf21("4","6","2","4","7","3","3","1") = "6"
    & skf21("4","6","2","4","7","3","4","1") = "6"
    & skf21("4","6","2","4","7","3","5","1") = "6"
    & skf21("4","6","2","4","7","3","6","1") = "6"
    & skf21("4","6","2","4","7","3","7","1") = "6"
    & skf21("4","6","2","4","7","4","1","1") = "6"
    & skf21("4","6","2","4","7","4","2","1") = "6"
    & skf21("4","6","2","4","7","4","3","1") = "6"
    & skf21("4","6","2","4","7","4","4","1") = "6"
    & skf21("4","6","2","4","7","4","5","1") = "6"
    & skf21("4","6","2","4","7","4","6","1") = "6"
    & skf21("4","6","2","4","7","4","7","1") = "6"
    & skf21("4","6","2","4","7","5","1","1") = "6"
    & skf21("4","6","2","4","7","5","2","1") = "6"
    & skf21("4","6","2","4","7","5","3","1") = "6"
    & skf21("4","6","2","4","7","5","4","1") = "6"
    & skf21("4","6","2","4","7","5","5","1") = "6"
    & skf21("4","6","2","4","7","5","6","1") = "6"
    & skf21("4","6","2","4","7","5","7","1") = "6"
    & skf21("4","6","2","4","7","6","1","1") = "6"
    & skf21("4","6","2","4","7","6","2","1") = "6"
    & skf21("4","6","2","4","7","6","3","1") = "6"
    & skf21("4","6","2","4","7","6","4","1") = "6"
    & skf21("4","6","2","4","7","6","5","1") = "6"
    & skf21("4","6","2","4","7","6","6","1") = "6"
    & skf21("4","6","2","4","7","6","7","1") = "6"
    & skf21("4","6","2","4","7","7","1","1") = "6"
    & skf21("4","6","2","4","7","7","2","1") = "6"
    & skf21("4","6","2","4","7","7","3","1") = "6"
    & skf21("4","6","2","4","7","7","4","1") = "6"
    & skf21("4","6","2","4","7","7","5","1") = "6"
    & skf21("4","6","2","4","7","7","6","1") = "6"
    & skf21("4","6","2","4","7","7","7","1") = "6"
    & skf21("4","6","2","5","1","1","1","1") = "5"
    & skf21("4","6","2","5","1","1","2","1") = "5"
    & skf21("4","6","2","5","1","1","3","1") = "5"
    & skf21("4","6","2","5","1","1","4","1") = "5"
    & skf21("4","6","2","5","1","1","5","1") = "5"
    & skf21("4","6","2","5","1","1","6","1") = "5"
    & skf21("4","6","2","5","1","1","7","1") = "6"
    & skf21("4","6","2","5","1","2","1","1") = "5"
    & skf21("4","6","2","5","1","2","2","1") = "5"
    & skf21("4","6","2","5","1","2","3","1") = "5"
    & skf21("4","6","2","5","1","2","4","1") = "5"
    & skf21("4","6","2","5","1","2","5","1") = "5"
    & skf21("4","6","2","5","1","2","6","1") = "5"
    & skf21("4","6","2","5","1","2","7","1") = "6"
    & skf21("4","6","2","5","1","3","1","1") = "5"
    & skf21("4","6","2","5","1","3","2","1") = "5"
    & skf21("4","6","2","5","1","3","3","1") = "5"
    & skf21("4","6","2","5","1","3","4","1") = "5"
    & skf21("4","6","2","5","1","3","5","1") = "5"
    & skf21("4","6","2","5","1","3","6","1") = "5"
    & skf21("4","6","2","5","1","3","7","1") = "6"
    & skf21("4","6","2","5","1","4","1","1") = "5"
    & skf21("4","6","2","5","1","4","2","1") = "5"
    & skf21("4","6","2","5","1","4","3","1") = "5"
    & skf21("4","6","2","5","1","4","4","1") = "5"
    & skf21("4","6","2","5","1","4","5","1") = "5"
    & skf21("4","6","2","5","1","4","6","1") = "5"
    & skf21("4","6","2","5","1","4","7","1") = "6"
    & skf21("4","6","2","5","1","5","1","1") = "5"
    & skf21("4","6","2","5","1","5","2","1") = "5"
    & skf21("4","6","2","5","1","5","3","1") = "5"
    & skf21("4","6","2","5","1","5","4","1") = "5"
    & skf21("4","6","2","5","1","5","5","1") = "5"
    & skf21("4","6","2","5","1","5","6","1") = "5"
    & skf21("4","6","2","5","1","5","7","1") = "6"
    & skf21("4","6","2","5","1","6","1","1") = "5"
    & skf21("4","6","2","5","1","6","2","1") = "5"
    & skf21("4","6","2","5","1","6","3","1") = "5"
    & skf21("4","6","2","5","1","6","4","1") = "5"
    & skf21("4","6","2","5","1","6","5","1") = "5"
    & skf21("4","6","2","5","1","6","6","1") = "5"
    & skf21("4","6","2","5","1","6","7","1") = "6"
    & skf21("4","6","2","5","1","7","1","1") = "6"
    & skf21("4","6","2","5","1","7","2","1") = "6"
    & skf21("4","6","2","5","1","7","3","1") = "6"
    & skf21("4","6","2","5","1","7","4","1") = "6"
    & skf21("4","6","2","5","1","7","5","1") = "6"
    & skf21("4","6","2","5","1","7","6","1") = "6"
    & skf21("4","6","2","5","1","7","7","1") = "6"
    & skf21("4","6","2","5","2","1","1","1") = "5"
    & skf21("4","6","2","5","2","1","2","1") = "5"
    & skf21("4","6","2","5","2","1","3","1") = "5"
    & skf21("4","6","2","5","2","1","4","1") = "5"
    & skf21("4","6","2","5","2","1","5","1") = "5"
    & skf21("4","6","2","5","2","1","6","1") = "5"
    & skf21("4","6","2","5","2","1","7","1") = "6"
    & skf21("4","6","2","5","2","2","1","1") = "5"
    & skf21("4","6","2","5","2","2","2","1") = "5"
    & skf21("4","6","2","5","2","2","3","1") = "5"
    & skf21("4","6","2","5","2","2","4","1") = "5"
    & skf21("4","6","2","5","2","2","5","1") = "5"
    & skf21("4","6","2","5","2","2","6","1") = "5"
    & skf21("4","6","2","5","2","2","7","1") = "6"
    & skf21("4","6","2","5","2","3","1","1") = "5"
    & skf21("4","6","2","5","2","3","2","1") = "5"
    & skf21("4","6","2","5","2","3","3","1") = "5"
    & skf21("4","6","2","5","2","3","4","1") = "5"
    & skf21("4","6","2","5","2","3","5","1") = "5"
    & skf21("4","6","2","5","2","3","6","1") = "5"
    & skf21("4","6","2","5","2","3","7","1") = "6"
    & skf21("4","6","2","5","2","4","1","1") = "5"
    & skf21("4","6","2","5","2","4","2","1") = "5"
    & skf21("4","6","2","5","2","4","3","1") = "5"
    & skf21("4","6","2","5","2","4","4","1") = "5"
    & skf21("4","6","2","5","2","4","5","1") = "5"
    & skf21("4","6","2","5","2","4","6","1") = "5"
    & skf21("4","6","2","5","2","4","7","1") = "6"
    & skf21("4","6","2","5","2","5","1","1") = "5"
    & skf21("4","6","2","5","2","5","2","1") = "5"
    & skf21("4","6","2","5","2","5","3","1") = "5"
    & skf21("4","6","2","5","2","5","4","1") = "5"
    & skf21("4","6","2","5","2","5","5","1") = "5"
    & skf21("4","6","2","5","2","5","6","1") = "5"
    & skf21("4","6","2","5","2","5","7","1") = "6"
    & skf21("4","6","2","5","2","6","1","1") = "5"
    & skf21("4","6","2","5","2","6","2","1") = "5"
    & skf21("4","6","2","5","2","6","3","1") = "5"
    & skf21("4","6","2","5","2","6","4","1") = "5"
    & skf21("4","6","2","5","2","6","5","1") = "5"
    & skf21("4","6","2","5","2","6","6","1") = "5"
    & skf21("4","6","2","5","2","6","7","1") = "6"
    & skf21("4","6","2","5","2","7","1","1") = "6"
    & skf21("4","6","2","5","2","7","2","1") = "6"
    & skf21("4","6","2","5","2","7","3","1") = "6"
    & skf21("4","6","2","5","2","7","4","1") = "6"
    & skf21("4","6","2","5","2","7","5","1") = "6"
    & skf21("4","6","2","5","2","7","6","1") = "6"
    & skf21("4","6","2","5","2","7","7","1") = "6"
    & skf21("4","6","2","5","3","1","1","1") = "5"
    & skf21("4","6","2","5","3","1","2","1") = "5"
    & skf21("4","6","2","5","3","1","3","1") = "5"
    & skf21("4","6","2","5","3","1","4","1") = "5"
    & skf21("4","6","2","5","3","1","5","1") = "5"
    & skf21("4","6","2","5","3","1","6","1") = "5"
    & skf21("4","6","2","5","3","1","7","1") = "6"
    & skf21("4","6","2","5","3","2","1","1") = "5"
    & skf21("4","6","2","5","3","2","2","1") = "5"
    & skf21("4","6","2","5","3","2","3","1") = "5"
    & skf21("4","6","2","5","3","2","4","1") = "5"
    & skf21("4","6","2","5","3","2","5","1") = "5"
    & skf21("4","6","2","5","3","2","6","1") = "5"
    & skf21("4","6","2","5","3","2","7","1") = "6"
    & skf21("4","6","2","5","3","3","1","1") = "5"
    & skf21("4","6","2","5","3","3","2","1") = "5"
    & skf21("4","6","2","5","3","3","3","1") = "5"
    & skf21("4","6","2","5","3","3","4","1") = "5"
    & skf21("4","6","2","5","3","3","5","1") = "5"
    & skf21("4","6","2","5","3","3","6","1") = "5"
    & skf21("4","6","2","5","3","3","7","1") = "6"
    & skf21("4","6","2","5","3","4","1","1") = "5"
    & skf21("4","6","2","5","3","4","2","1") = "5"
    & skf21("4","6","2","5","3","4","3","1") = "5"
    & skf21("4","6","2","5","3","4","4","1") = "5"
    & skf21("4","6","2","5","3","4","5","1") = "5"
    & skf21("4","6","2","5","3","4","6","1") = "5"
    & skf21("4","6","2","5","3","4","7","1") = "6"
    & skf21("4","6","2","5","3","5","1","1") = "5"
    & skf21("4","6","2","5","3","5","2","1") = "5"
    & skf21("4","6","2","5","3","5","3","1") = "5"
    & skf21("4","6","2","5","3","5","4","1") = "5"
    & skf21("4","6","2","5","3","5","5","1") = "5"
    & skf21("4","6","2","5","3","5","6","1") = "5"
    & skf21("4","6","2","5","3","5","7","1") = "6"
    & skf21("4","6","2","5","3","6","1","1") = "5"
    & skf21("4","6","2","5","3","6","2","1") = "5"
    & skf21("4","6","2","5","3","6","3","1") = "5"
    & skf21("4","6","2","5","3","6","4","1") = "5"
    & skf21("4","6","2","5","3","6","5","1") = "5"
    & skf21("4","6","2","5","3","6","6","1") = "5"
    & skf21("4","6","2","5","3","6","7","1") = "6"
    & skf21("4","6","2","5","3","7","1","1") = "6"
    & skf21("4","6","2","5","3","7","2","1") = "6"
    & skf21("4","6","2","5","3","7","3","1") = "6"
    & skf21("4","6","2","5","3","7","4","1") = "6"
    & skf21("4","6","2","5","3","7","5","1") = "6"
    & skf21("4","6","2","5","3","7","6","1") = "6"
    & skf21("4","6","2","5","3","7","7","1") = "6"
    & skf21("4","6","2","5","4","1","1","1") = "5"
    & skf21("4","6","2","5","4","1","2","1") = "5"
    & skf21("4","6","2","5","4","1","3","1") = "5"
    & skf21("4","6","2","5","4","1","4","1") = "5"
    & skf21("4","6","2","5","4","1","5","1") = "5"
    & skf21("4","6","2","5","4","1","6","1") = "5"
    & skf21("4","6","2","5","4","1","7","1") = "6"
    & skf21("4","6","2","5","4","2","1","1") = "5"
    & skf21("4","6","2","5","4","2","2","1") = "5"
    & skf21("4","6","2","5","4","2","3","1") = "5"
    & skf21("4","6","2","5","4","2","4","1") = "5"
    & skf21("4","6","2","5","4","2","5","1") = "5"
    & skf21("4","6","2","5","4","2","6","1") = "5"
    & skf21("4","6","2","5","4","2","7","1") = "6"
    & skf21("4","6","2","5","4","3","1","1") = "5"
    & skf21("4","6","2","5","4","3","2","1") = "5"
    & skf21("4","6","2","5","4","3","3","1") = "5"
    & skf21("4","6","2","5","4","3","4","1") = "5"
    & skf21("4","6","2","5","4","3","5","1") = "5"
    & skf21("4","6","2","5","4","3","6","1") = "5"
    & skf21("4","6","2","5","4","3","7","1") = "6"
    & skf21("4","6","2","5","4","4","1","1") = "5"
    & skf21("4","6","2","5","4","4","2","1") = "5"
    & skf21("4","6","2","5","4","4","3","1") = "5"
    & skf21("4","6","2","5","4","4","4","1") = "5"
    & skf21("4","6","2","5","4","4","5","1") = "5"
    & skf21("4","6","2","5","4","4","6","1") = "5"
    & skf21("4","6","2","5","4","4","7","1") = "6"
    & skf21("4","6","2","5","4","5","1","1") = "5"
    & skf21("4","6","2","5","4","5","2","1") = "5"
    & skf21("4","6","2","5","4","5","3","1") = "5"
    & skf21("4","6","2","5","4","5","4","1") = "5"
    & skf21("4","6","2","5","4","5","5","1") = "5"
    & skf21("4","6","2","5","4","5","6","1") = "5"
    & skf21("4","6","2","5","4","5","7","1") = "6"
    & skf21("4","6","2","5","4","6","1","1") = "5"
    & skf21("4","6","2","5","4","6","2","1") = "5"
    & skf21("4","6","2","5","4","6","3","1") = "5"
    & skf21("4","6","2","5","4","6","4","1") = "5"
    & skf21("4","6","2","5","4","6","5","1") = "5"
    & skf21("4","6","2","5","4","6","6","1") = "5"
    & skf21("4","6","2","5","4","6","7","1") = "6"
    & skf21("4","6","2","5","4","7","1","1") = "6"
    & skf21("4","6","2","5","4","7","2","1") = "6"
    & skf21("4","6","2","5","4","7","3","1") = "6"
    & skf21("4","6","2","5","4","7","4","1") = "6"
    & skf21("4","6","2","5","4","7","5","1") = "6"
    & skf21("4","6","2","5","4","7","6","1") = "6"
    & skf21("4","6","2","5","4","7","7","1") = "6"
    & skf21("4","6","2","5","5","1","1","1") = "5"
    & skf21("4","6","2","5","5","1","2","1") = "5"
    & skf21("4","6","2","5","5","1","3","1") = "5"
    & skf21("4","6","2","5","5","1","4","1") = "5"
    & skf21("4","6","2","5","5","1","5","1") = "5"
    & skf21("4","6","2","5","5","1","6","1") = "5"
    & skf21("4","6","2","5","5","1","7","1") = "6"
    & skf21("4","6","2","5","5","2","1","1") = "5"
    & skf21("4","6","2","5","5","2","2","1") = "5"
    & skf21("4","6","2","5","5","2","3","1") = "5"
    & skf21("4","6","2","5","5","2","4","1") = "5"
    & skf21("4","6","2","5","5","2","5","1") = "5"
    & skf21("4","6","2","5","5","2","6","1") = "5"
    & skf21("4","6","2","5","5","2","7","1") = "6"
    & skf21("4","6","2","5","5","3","1","1") = "5"
    & skf21("4","6","2","5","5","3","2","1") = "5"
    & skf21("4","6","2","5","5","3","3","1") = "5"
    & skf21("4","6","2","5","5","3","4","1") = "5"
    & skf21("4","6","2","5","5","3","5","1") = "5"
    & skf21("4","6","2","5","5","3","6","1") = "5"
    & skf21("4","6","2","5","5","3","7","1") = "6"
    & skf21("4","6","2","5","5","4","1","1") = "5"
    & skf21("4","6","2","5","5","4","2","1") = "5"
    & skf21("4","6","2","5","5","4","3","1") = "5"
    & skf21("4","6","2","5","5","4","4","1") = "5"
    & skf21("4","6","2","5","5","4","5","1") = "5"
    & skf21("4","6","2","5","5","4","6","1") = "5"
    & skf21("4","6","2","5","5","4","7","1") = "6"
    & skf21("4","6","2","5","5","5","1","1") = "5"
    & skf21("4","6","2","5","5","5","2","1") = "5"
    & skf21("4","6","2","5","5","5","3","1") = "5"
    & skf21("4","6","2","5","5","5","4","1") = "5"
    & skf21("4","6","2","5","5","5","5","1") = "5"
    & skf21("4","6","2","5","5","5","6","1") = "5"
    & skf21("4","6","2","5","5","5","7","1") = "6"
    & skf21("4","6","2","5","5","6","1","1") = "5"
    & skf21("4","6","2","5","5","6","2","1") = "5"
    & skf21("4","6","2","5","5","6","3","1") = "5"
    & skf21("4","6","2","5","5","6","4","1") = "5"
    & skf21("4","6","2","5","5","6","5","1") = "5"
    & skf21("4","6","2","5","5","6","6","1") = "5"
    & skf21("4","6","2","5","5","6","7","1") = "6"
    & skf21("4","6","2","5","5","7","1","1") = "6"
    & skf21("4","6","2","5","5","7","2","1") = "6"
    & skf21("4","6","2","5","5","7","3","1") = "6"
    & skf21("4","6","2","5","5","7","4","1") = "6"
    & skf21("4","6","2","5","5","7","5","1") = "6"
    & skf21("4","6","2","5","5","7","6","1") = "6"
    & skf21("4","6","2","5","5","7","7","1") = "6"
    & skf21("4","6","2","5","6","1","1","1") = "5"
    & skf21("4","6","2","5","6","1","2","1") = "5"
    & skf21("4","6","2","5","6","1","3","1") = "5"
    & skf21("4","6","2","5","6","1","4","1") = "5"
    & skf21("4","6","2","5","6","1","5","1") = "5"
    & skf21("4","6","2","5","6","1","6","1") = "5"
    & skf21("4","6","2","5","6","1","7","1") = "6"
    & skf21("4","6","2","5","6","2","1","1") = "5"
    & skf21("4","6","2","5","6","2","2","1") = "5"
    & skf21("4","6","2","5","6","2","3","1") = "5"
    & skf21("4","6","2","5","6","2","4","1") = "5"
    & skf21("4","6","2","5","6","2","5","1") = "5"
    & skf21("4","6","2","5","6","2","6","1") = "5"
    & skf21("4","6","2","5","6","2","7","1") = "6"
    & skf21("4","6","2","5","6","3","1","1") = "5"
    & skf21("4","6","2","5","6","3","2","1") = "5"
    & skf21("4","6","2","5","6","3","3","1") = "5"
    & skf21("4","6","2","5","6","3","4","1") = "5"
    & skf21("4","6","2","5","6","3","5","1") = "5"
    & skf21("4","6","2","5","6","3","6","1") = "5"
    & skf21("4","6","2","5","6","3","7","1") = "6"
    & skf21("4","6","2","5","6","4","1","1") = "5"
    & skf21("4","6","2","5","6","4","2","1") = "5"
    & skf21("4","6","2","5","6","4","3","1") = "5"
    & skf21("4","6","2","5","6","4","4","1") = "5"
    & skf21("4","6","2","5","6","4","5","1") = "5"
    & skf21("4","6","2","5","6","4","6","1") = "5"
    & skf21("4","6","2","5","6","4","7","1") = "6"
    & skf21("4","6","2","5","6","5","1","1") = "5"
    & skf21("4","6","2","5","6","5","2","1") = "5"
    & skf21("4","6","2","5","6","5","3","1") = "5"
    & skf21("4","6","2","5","6","5","4","1") = "5"
    & skf21("4","6","2","5","6","5","5","1") = "5"
    & skf21("4","6","2","5","6","5","6","1") = "5"
    & skf21("4","6","2","5","6","5","7","1") = "6"
    & skf21("4","6","2","5","6","6","1","1") = "5"
    & skf21("4","6","2","5","6","6","2","1") = "5"
    & skf21("4","6","2","5","6","6","3","1") = "5"
    & skf21("4","6","2","5","6","6","4","1") = "5"
    & skf21("4","6","2","5","6","6","5","1") = "5"
    & skf21("4","6","2","5","6","6","6","1") = "5"
    & skf21("4","6","2","5","6","6","7","1") = "6"
    & skf21("4","6","2","5","6","7","1","1") = "6"
    & skf21("4","6","2","5","6","7","2","1") = "6"
    & skf21("4","6","2","5","6","7","3","1") = "6"
    & skf21("4","6","2","5","6","7","4","1") = "6"
    & skf21("4","6","2","5","6","7","5","1") = "6"
    & skf21("4","6","2","5","6","7","6","1") = "6"
    & skf21("4","6","2","5","6","7","7","1") = "6"
    & skf21("4","6","2","5","7","1","1","1") = "6"
    & skf21("4","6","2","5","7","1","2","1") = "6"
    & skf21("4","6","2","5","7","1","3","1") = "6"
    & skf21("4","6","2","5","7","1","4","1") = "6"
    & skf21("4","6","2","5","7","1","5","1") = "6"
    & skf21("4","6","2","5","7","1","6","1") = "6"
    & skf21("4","6","2","5","7","1","7","1") = "6"
    & skf21("4","6","2","5","7","2","1","1") = "6"
    & skf21("4","6","2","5","7","2","2","1") = "6"
    & skf21("4","6","2","5","7","2","3","1") = "6"
    & skf21("4","6","2","5","7","2","4","1") = "6"
    & skf21("4","6","2","5","7","2","5","1") = "6"
    & skf21("4","6","2","5","7","2","6","1") = "6"
    & skf21("4","6","2","5","7","2","7","1") = "6"
    & skf21("4","6","2","5","7","3","1","1") = "6"
    & skf21("4","6","2","5","7","3","2","1") = "6"
    & skf21("4","6","2","5","7","3","3","1") = "6"
    & skf21("4","6","2","5","7","3","4","1") = "6"
    & skf21("4","6","2","5","7","3","5","1") = "6"
    & skf21("4","6","2","5","7","3","6","1") = "6"
    & skf21("4","6","2","5","7","3","7","1") = "6"
    & skf21("4","6","2","5","7","4","1","1") = "6"
    & skf21("4","6","2","5","7","4","2","1") = "6"
    & skf21("4","6","2","5","7","4","3","1") = "6"
    & skf21("4","6","2","5","7","4","4","1") = "6"
    & skf21("4","6","2","5","7","4","5","1") = "6"
    & skf21("4","6","2","5","7","4","6","1") = "6"
    & skf21("4","6","2","5","7","4","7","1") = "6"
    & skf21("4","6","2","5","7","5","1","1") = "6"
    & skf21("4","6","2","5","7","5","2","1") = "6"
    & skf21("4","6","2","5","7","5","3","1") = "6"
    & skf21("4","6","2","5","7","5","4","1") = "6"
    & skf21("4","6","2","5","7","5","5","1") = "6"
    & skf21("4","6","2","5","7","5","6","1") = "6"
    & skf21("4","6","2","5","7","5","7","1") = "6"
    & skf21("4","6","2","5","7","6","1","1") = "6"
    & skf21("4","6","2","5","7","6","2","1") = "6"
    & skf21("4","6","2","5","7","6","3","1") = "6"
    & skf21("4","6","2","5","7","6","4","1") = "6"
    & skf21("4","6","2","5","7","6","5","1") = "6"
    & skf21("4","6","2","5","7","6","6","1") = "6"
    & skf21("4","6","2","5","7","6","7","1") = "6"
    & skf21("4","6","2","5","7","7","1","1") = "6"
    & skf21("4","6","2","5","7","7","2","1") = "6"
    & skf21("4","6","2","5","7","7","3","1") = "6"
    & skf21("4","6","2","5","7","7","4","1") = "6"
    & skf21("4","6","2","5","7","7","5","1") = "6"
    & skf21("4","6","2","5","7","7","6","1") = "6"
    & skf21("4","6","2","5","7","7","7","1") = "6"
    & skf21("4","6","2","6","1","1","1","1") = "5"
    & skf21("4","6","2","6","1","1","2","1") = "5"
    & skf21("4","6","2","6","1","1","3","1") = "5"
    & skf21("4","6","2","6","1","1","4","1") = "5"
    & skf21("4","6","2","6","1","1","5","1") = "5"
    & skf21("4","6","2","6","1","1","6","1") = "5"
    & skf21("4","6","2","6","1","1","7","1") = "6"
    & skf21("4","6","2","6","1","2","1","1") = "5"
    & skf21("4","6","2","6","1","2","2","1") = "5"
    & skf21("4","6","2","6","1","2","3","1") = "5"
    & skf21("4","6","2","6","1","2","4","1") = "5"
    & skf21("4","6","2","6","1","2","5","1") = "5"
    & skf21("4","6","2","6","1","2","6","1") = "5"
    & skf21("4","6","2","6","1","2","7","1") = "6"
    & skf21("4","6","2","6","1","3","1","1") = "5"
    & skf21("4","6","2","6","1","3","2","1") = "5"
    & skf21("4","6","2","6","1","3","3","1") = "5"
    & skf21("4","6","2","6","1","3","4","1") = "5"
    & skf21("4","6","2","6","1","3","5","1") = "5"
    & skf21("4","6","2","6","1","3","6","1") = "5"
    & skf21("4","6","2","6","1","3","7","1") = "6"
    & skf21("4","6","2","6","1","4","1","1") = "5"
    & skf21("4","6","2","6","1","4","2","1") = "5"
    & skf21("4","6","2","6","1","4","3","1") = "5"
    & skf21("4","6","2","6","1","4","4","1") = "5"
    & skf21("4","6","2","6","1","4","5","1") = "5"
    & skf21("4","6","2","6","1","4","6","1") = "5"
    & skf21("4","6","2","6","1","4","7","1") = "6"
    & skf21("4","6","2","6","1","5","1","1") = "5"
    & skf21("4","6","2","6","1","5","2","1") = "5"
    & skf21("4","6","2","6","1","5","3","1") = "5"
    & skf21("4","6","2","6","1","5","4","1") = "5"
    & skf21("4","6","2","6","1","5","5","1") = "5"
    & skf21("4","6","2","6","1","5","6","1") = "5"
    & skf21("4","6","2","6","1","5","7","1") = "6"
    & skf21("4","6","2","6","1","6","1","1") = "5"
    & skf21("4","6","2","6","1","6","2","1") = "5"
    & skf21("4","6","2","6","1","6","3","1") = "5"
    & skf21("4","6","2","6","1","6","4","1") = "5"
    & skf21("4","6","2","6","1","6","5","1") = "5"
    & skf21("4","6","2","6","1","6","6","1") = "5"
    & skf21("4","6","2","6","1","6","7","1") = "6"
    & skf21("4","6","2","6","1","7","1","1") = "6"
    & skf21("4","6","2","6","1","7","2","1") = "6"
    & skf21("4","6","2","6","1","7","3","1") = "6"
    & skf21("4","6","2","6","1","7","4","1") = "6"
    & skf21("4","6","2","6","1","7","5","1") = "6"
    & skf21("4","6","2","6","1","7","6","1") = "6"
    & skf21("4","6","2","6","1","7","7","1") = "6"
    & skf21("4","6","2","6","2","1","1","1") = "5"
    & skf21("4","6","2","6","2","1","2","1") = "5"
    & skf21("4","6","2","6","2","1","3","1") = "5"
    & skf21("4","6","2","6","2","1","4","1") = "5"
    & skf21("4","6","2","6","2","1","5","1") = "5"
    & skf21("4","6","2","6","2","1","6","1") = "5"
    & skf21("4","6","2","6","2","1","7","1") = "6"
    & skf21("4","6","2","6","2","2","1","1") = "5"
    & skf21("4","6","2","6","2","2","2","1") = "5"
    & skf21("4","6","2","6","2","2","3","1") = "5"
    & skf21("4","6","2","6","2","2","4","1") = "5"
    & skf21("4","6","2","6","2","2","5","1") = "5"
    & skf21("4","6","2","6","2","2","6","1") = "5"
    & skf21("4","6","2","6","2","2","7","1") = "6"
    & skf21("4","6","2","6","2","3","1","1") = "5"
    & skf21("4","6","2","6","2","3","2","1") = "5"
    & skf21("4","6","2","6","2","3","3","1") = "5"
    & skf21("4","6","2","6","2","3","4","1") = "5"
    & skf21("4","6","2","6","2","3","5","1") = "5"
    & skf21("4","6","2","6","2","3","6","1") = "5"
    & skf21("4","6","2","6","2","3","7","1") = "6"
    & skf21("4","6","2","6","2","4","1","1") = "5"
    & skf21("4","6","2","6","2","4","2","1") = "5"
    & skf21("4","6","2","6","2","4","3","1") = "5"
    & skf21("4","6","2","6","2","4","4","1") = "5"
    & skf21("4","6","2","6","2","4","5","1") = "5"
    & skf21("4","6","2","6","2","4","6","1") = "5"
    & skf21("4","6","2","6","2","4","7","1") = "6"
    & skf21("4","6","2","6","2","5","1","1") = "5"
    & skf21("4","6","2","6","2","5","2","1") = "5"
    & skf21("4","6","2","6","2","5","3","1") = "5"
    & skf21("4","6","2","6","2","5","4","1") = "5"
    & skf21("4","6","2","6","2","5","5","1") = "5"
    & skf21("4","6","2","6","2","5","6","1") = "5"
    & skf21("4","6","2","6","2","5","7","1") = "6"
    & skf21("4","6","2","6","2","6","1","1") = "5"
    & skf21("4","6","2","6","2","6","2","1") = "5"
    & skf21("4","6","2","6","2","6","3","1") = "5"
    & skf21("4","6","2","6","2","6","4","1") = "5"
    & skf21("4","6","2","6","2","6","5","1") = "5"
    & skf21("4","6","2","6","2","6","6","1") = "5"
    & skf21("4","6","2","6","2","6","7","1") = "6"
    & skf21("4","6","2","6","2","7","1","1") = "6"
    & skf21("4","6","2","6","2","7","2","1") = "6"
    & skf21("4","6","2","6","2","7","3","1") = "6"
    & skf21("4","6","2","6","2","7","4","1") = "6"
    & skf21("4","6","2","6","2","7","5","1") = "6"
    & skf21("4","6","2","6","2","7","6","1") = "6"
    & skf21("4","6","2","6","2","7","7","1") = "6"
    & skf21("4","6","2","6","3","1","1","1") = "5"
    & skf21("4","6","2","6","3","1","2","1") = "5"
    & skf21("4","6","2","6","3","1","3","1") = "5"
    & skf21("4","6","2","6","3","1","4","1") = "5"
    & skf21("4","6","2","6","3","1","5","1") = "5"
    & skf21("4","6","2","6","3","1","6","1") = "5"
    & skf21("4","6","2","6","3","1","7","1") = "6"
    & skf21("4","6","2","6","3","2","1","1") = "5"
    & skf21("4","6","2","6","3","2","2","1") = "5"
    & skf21("4","6","2","6","3","2","3","1") = "5"
    & skf21("4","6","2","6","3","2","4","1") = "5"
    & skf21("4","6","2","6","3","2","5","1") = "5"
    & skf21("4","6","2","6","3","2","6","1") = "5"
    & skf21("4","6","2","6","3","2","7","1") = "6"
    & skf21("4","6","2","6","3","3","1","1") = "5"
    & skf21("4","6","2","6","3","3","2","1") = "5"
    & skf21("4","6","2","6","3","3","3","1") = "5"
    & skf21("4","6","2","6","3","3","4","1") = "5"
    & skf21("4","6","2","6","3","3","5","1") = "5"
    & skf21("4","6","2","6","3","3","6","1") = "5"
    & skf21("4","6","2","6","3","3","7","1") = "6"
    & skf21("4","6","2","6","3","4","1","1") = "5"
    & skf21("4","6","2","6","3","4","2","1") = "5"
    & skf21("4","6","2","6","3","4","3","1") = "5"
    & skf21("4","6","2","6","3","4","4","1") = "5"
    & skf21("4","6","2","6","3","4","5","1") = "5"
    & skf21("4","6","2","6","3","4","6","1") = "5"
    & skf21("4","6","2","6","3","4","7","1") = "6"
    & skf21("4","6","2","6","3","5","1","1") = "5"
    & skf21("4","6","2","6","3","5","2","1") = "5"
    & skf21("4","6","2","6","3","5","3","1") = "5"
    & skf21("4","6","2","6","3","5","4","1") = "5"
    & skf21("4","6","2","6","3","5","5","1") = "5"
    & skf21("4","6","2","6","3","5","6","1") = "5"
    & skf21("4","6","2","6","3","5","7","1") = "6"
    & skf21("4","6","2","6","3","6","1","1") = "5"
    & skf21("4","6","2","6","3","6","2","1") = "5"
    & skf21("4","6","2","6","3","6","3","1") = "5"
    & skf21("4","6","2","6","3","6","4","1") = "5"
    & skf21("4","6","2","6","3","6","5","1") = "5"
    & skf21("4","6","2","6","3","6","6","1") = "5"
    & skf21("4","6","2","6","3","6","7","1") = "6"
    & skf21("4","6","2","6","3","7","1","1") = "6"
    & skf21("4","6","2","6","3","7","2","1") = "6"
    & skf21("4","6","2","6","3","7","3","1") = "6"
    & skf21("4","6","2","6","3","7","4","1") = "6"
    & skf21("4","6","2","6","3","7","5","1") = "6"
    & skf21("4","6","2","6","3","7","6","1") = "6"
    & skf21("4","6","2","6","3","7","7","1") = "6"
    & skf21("4","6","2","6","4","1","1","1") = "5"
    & skf21("4","6","2","6","4","1","2","1") = "5"
    & skf21("4","6","2","6","4","1","3","1") = "5"
    & skf21("4","6","2","6","4","1","4","1") = "5"
    & skf21("4","6","2","6","4","1","5","1") = "5"
    & skf21("4","6","2","6","4","1","6","1") = "5"
    & skf21("4","6","2","6","4","1","7","1") = "6"
    & skf21("4","6","2","6","4","2","1","1") = "5"
    & skf21("4","6","2","6","4","2","2","1") = "5"
    & skf21("4","6","2","6","4","2","3","1") = "5"
    & skf21("4","6","2","6","4","2","4","1") = "5"
    & skf21("4","6","2","6","4","2","5","1") = "5"
    & skf21("4","6","2","6","4","2","6","1") = "5"
    & skf21("4","6","2","6","4","2","7","1") = "6"
    & skf21("4","6","2","6","4","3","1","1") = "5"
    & skf21("4","6","2","6","4","3","2","1") = "5"
    & skf21("4","6","2","6","4","3","3","1") = "5"
    & skf21("4","6","2","6","4","3","4","1") = "5"
    & skf21("4","6","2","6","4","3","5","1") = "5"
    & skf21("4","6","2","6","4","3","6","1") = "5"
    & skf21("4","6","2","6","4","3","7","1") = "6"
    & skf21("4","6","2","6","4","4","1","1") = "5"
    & skf21("4","6","2","6","4","4","2","1") = "5"
    & skf21("4","6","2","6","4","4","3","1") = "5"
    & skf21("4","6","2","6","4","4","4","1") = "5"
    & skf21("4","6","2","6","4","4","5","1") = "5"
    & skf21("4","6","2","6","4","4","6","1") = "5"
    & skf21("4","6","2","6","4","4","7","1") = "6"
    & skf21("4","6","2","6","4","5","1","1") = "5"
    & skf21("4","6","2","6","4","5","2","1") = "5"
    & skf21("4","6","2","6","4","5","3","1") = "5"
    & skf21("4","6","2","6","4","5","4","1") = "5"
    & skf21("4","6","2","6","4","5","5","1") = "5"
    & skf21("4","6","2","6","4","5","6","1") = "5"
    & skf21("4","6","2","6","4","5","7","1") = "6"
    & skf21("4","6","2","6","4","6","1","1") = "5"
    & skf21("4","6","2","6","4","6","2","1") = "5"
    & skf21("4","6","2","6","4","6","3","1") = "5"
    & skf21("4","6","2","6","4","6","4","1") = "5"
    & skf21("4","6","2","6","4","6","5","1") = "5"
    & skf21("4","6","2","6","4","6","6","1") = "5"
    & skf21("4","6","2","6","4","6","7","1") = "6"
    & skf21("4","6","2","6","4","7","1","1") = "6"
    & skf21("4","6","2","6","4","7","2","1") = "6"
    & skf21("4","6","2","6","4","7","3","1") = "6"
    & skf21("4","6","2","6","4","7","4","1") = "6"
    & skf21("4","6","2","6","4","7","5","1") = "6"
    & skf21("4","6","2","6","4","7","6","1") = "6"
    & skf21("4","6","2","6","4","7","7","1") = "6"
    & skf21("4","6","2","6","5","1","1","1") = "5"
    & skf21("4","6","2","6","5","1","2","1") = "5"
    & skf21("4","6","2","6","5","1","3","1") = "5"
    & skf21("4","6","2","6","5","1","4","1") = "5"
    & skf21("4","6","2","6","5","1","5","1") = "5"
    & skf21("4","6","2","6","5","1","6","1") = "5"
    & skf21("4","6","2","6","5","1","7","1") = "6"
    & skf21("4","6","2","6","5","2","1","1") = "5"
    & skf21("4","6","2","6","5","2","2","1") = "5"
    & skf21("4","6","2","6","5","2","3","1") = "5"
    & skf21("4","6","2","6","5","2","4","1") = "5"
    & skf21("4","6","2","6","5","2","5","1") = "5"
    & skf21("4","6","2","6","5","2","6","1") = "5"
    & skf21("4","6","2","6","5","2","7","1") = "6"
    & skf21("4","6","2","6","5","3","1","1") = "5"
    & skf21("4","6","2","6","5","3","2","1") = "5"
    & skf21("4","6","2","6","5","3","3","1") = "5"
    & skf21("4","6","2","6","5","3","4","1") = "5"
    & skf21("4","6","2","6","5","3","5","1") = "5"
    & skf21("4","6","2","6","5","3","6","1") = "5"
    & skf21("4","6","2","6","5","3","7","1") = "6"
    & skf21("4","6","2","6","5","4","1","1") = "5"
    & skf21("4","6","2","6","5","4","2","1") = "5"
    & skf21("4","6","2","6","5","4","3","1") = "5"
    & skf21("4","6","2","6","5","4","4","1") = "5"
    & skf21("4","6","2","6","5","4","5","1") = "5"
    & skf21("4","6","2","6","5","4","6","1") = "5"
    & skf21("4","6","2","6","5","4","7","1") = "6"
    & skf21("4","6","2","6","5","5","1","1") = "5"
    & skf21("4","6","2","6","5","5","2","1") = "5"
    & skf21("4","6","2","6","5","5","3","1") = "5"
    & skf21("4","6","2","6","5","5","4","1") = "5"
    & skf21("4","6","2","6","5","5","5","1") = "5"
    & skf21("4","6","2","6","5","5","6","1") = "5"
    & skf21("4","6","2","6","5","5","7","1") = "6"
    & skf21("4","6","2","6","5","6","1","1") = "5"
    & skf21("4","6","2","6","5","6","2","1") = "5"
    & skf21("4","6","2","6","5","6","3","1") = "5"
    & skf21("4","6","2","6","5","6","4","1") = "5"
    & skf21("4","6","2","6","5","6","5","1") = "5"
    & skf21("4","6","2","6","5","6","6","1") = "5"
    & skf21("4","6","2","6","5","6","7","1") = "6"
    & skf21("4","6","2","6","5","7","1","1") = "6"
    & skf21("4","6","2","6","5","7","2","1") = "6"
    & skf21("4","6","2","6","5","7","3","1") = "6"
    & skf21("4","6","2","6","5","7","4","1") = "6"
    & skf21("4","6","2","6","5","7","5","1") = "6"
    & skf21("4","6","2","6","5","7","6","1") = "6"
    & skf21("4","6","2","6","5","7","7","1") = "6"
    & skf21("4","6","2","6","6","1","1","1") = "5"
    & skf21("4","6","2","6","6","1","2","1") = "5"
    & skf21("4","6","2","6","6","1","3","1") = "5"
    & skf21("4","6","2","6","6","1","4","1") = "5"
    & skf21("4","6","2","6","6","1","5","1") = "5"
    & skf21("4","6","2","6","6","1","6","1") = "5"
    & skf21("4","6","2","6","6","1","7","1") = "6"
    & skf21("4","6","2","6","6","2","1","1") = "5"
    & skf21("4","6","2","6","6","2","2","1") = "5"
    & skf21("4","6","2","6","6","2","3","1") = "5"
    & skf21("4","6","2","6","6","2","4","1") = "5"
    & skf21("4","6","2","6","6","2","5","1") = "5"
    & skf21("4","6","2","6","6","2","6","1") = "5"
    & skf21("4","6","2","6","6","2","7","1") = "6"
    & skf21("4","6","2","6","6","3","1","1") = "5"
    & skf21("4","6","2","6","6","3","2","1") = "5"
    & skf21("4","6","2","6","6","3","3","1") = "5"
    & skf21("4","6","2","6","6","3","4","1") = "5"
    & skf21("4","6","2","6","6","3","5","1") = "5"
    & skf21("4","6","2","6","6","3","6","1") = "5"
    & skf21("4","6","2","6","6","3","7","1") = "6"
    & skf21("4","6","2","6","6","4","1","1") = "5"
    & skf21("4","6","2","6","6","4","2","1") = "5"
    & skf21("4","6","2","6","6","4","3","1") = "5"
    & skf21("4","6","2","6","6","4","4","1") = "5"
    & skf21("4","6","2","6","6","4","5","1") = "5"
    & skf21("4","6","2","6","6","4","6","1") = "5"
    & skf21("4","6","2","6","6","4","7","1") = "6"
    & skf21("4","6","2","6","6","5","1","1") = "5"
    & skf21("4","6","2","6","6","5","2","1") = "5"
    & skf21("4","6","2","6","6","5","3","1") = "5"
    & skf21("4","6","2","6","6","5","4","1") = "5"
    & skf21("4","6","2","6","6","5","5","1") = "5"
    & skf21("4","6","2","6","6","5","6","1") = "5"
    & skf21("4","6","2","6","6","5","7","1") = "6"
    & skf21("4","6","2","6","6","6","1","1") = "5"
    & skf21("4","6","2","6","6","6","2","1") = "5"
    & skf21("4","6","2","6","6","6","3","1") = "5"
    & skf21("4","6","2","6","6","6","4","1") = "5"
    & skf21("4","6","2","6","6","6","5","1") = "5"
    & skf21("4","6","2","6","6","6","6","1") = "5"
    & skf21("4","6","2","6","6","6","7","1") = "6"
    & skf21("4","6","2","6","6","7","1","1") = "6"
    & skf21("4","6","2","6","6","7","2","1") = "6"
    & skf21("4","6","2","6","6","7","3","1") = "6"
    & skf21("4","6","2","6","6","7","4","1") = "6"
    & skf21("4","6","2","6","6","7","5","1") = "6"
    & skf21("4","6","2","6","6","7","6","1") = "6"
    & skf21("4","6","2","6","6","7","7","1") = "6"
    & skf21("4","6","2","6","7","1","1","1") = "6"
    & skf21("4","6","2","6","7","1","2","1") = "6"
    & skf21("4","6","2","6","7","1","3","1") = "6"
    & skf21("4","6","2","6","7","1","4","1") = "6"
    & skf21("4","6","2","6","7","1","5","1") = "6"
    & skf21("4","6","2","6","7","1","6","1") = "6"
    & skf21("4","6","2","6","7","1","7","1") = "6"
    & skf21("4","6","2","6","7","2","1","1") = "6"
    & skf21("4","6","2","6","7","2","2","1") = "6"
    & skf21("4","6","2","6","7","2","3","1") = "6"
    & skf21("4","6","2","6","7","2","4","1") = "6"
    & skf21("4","6","2","6","7","2","5","1") = "6"
    & skf21("4","6","2","6","7","2","6","1") = "6"
    & skf21("4","6","2","6","7","2","7","1") = "6"
    & skf21("4","6","2","6","7","3","1","1") = "6"
    & skf21("4","6","2","6","7","3","2","1") = "6"
    & skf21("4","6","2","6","7","3","3","1") = "6"
    & skf21("4","6","2","6","7","3","4","1") = "6"
    & skf21("4","6","2","6","7","3","5","1") = "6"
    & skf21("4","6","2","6","7","3","6","1") = "6"
    & skf21("4","6","2","6","7","3","7","1") = "6"
    & skf21("4","6","2","6","7","4","1","1") = "6"
    & skf21("4","6","2","6","7","4","2","1") = "6"
    & skf21("4","6","2","6","7","4","3","1") = "6"
    & skf21("4","6","2","6","7","4","4","1") = "6"
    & skf21("4","6","2","6","7","4","5","1") = "6"
    & skf21("4","6","2","6","7","4","6","1") = "6"
    & skf21("4","6","2","6","7","4","7","1") = "6"
    & skf21("4","6","2","6","7","5","1","1") = "6"
    & skf21("4","6","2","6","7","5","2","1") = "6"
    & skf21("4","6","2","6","7","5","3","1") = "6"
    & skf21("4","6","2","6","7","5","4","1") = "6"
    & skf21("4","6","2","6","7","5","5","1") = "6"
    & skf21("4","6","2","6","7","5","6","1") = "6"
    & skf21("4","6","2","6","7","5","7","1") = "6"
    & skf21("4","6","2","6","7","6","1","1") = "6"
    & skf21("4","6","2","6","7","6","2","1") = "6"
    & skf21("4","6","2","6","7","6","3","1") = "6"
    & skf21("4","6","2","6","7","6","4","1") = "6"
    & skf21("4","6","2","6","7","6","5","1") = "6"
    & skf21("4","6","2","6","7","6","6","1") = "6"
    & skf21("4","6","2","6","7","6","7","1") = "6"
    & skf21("4","6","2","6","7","7","1","1") = "6"
    & skf21("4","6","2","6","7","7","2","1") = "6"
    & skf21("4","6","2","6","7","7","3","1") = "6"
    & skf21("4","6","2","6","7","7","4","1") = "6"
    & skf21("4","6","2","6","7","7","5","1") = "6"
    & skf21("4","6","2","6","7","7","6","1") = "6"
    & skf21("4","6","2","6","7","7","7","1") = "6"
    & skf21("4","6","2","7","1","1","1","1") = "6"
    & skf21("4","6","2","7","1","1","2","1") = "6"
    & skf21("4","6","2","7","1","1","3","1") = "6"
    & skf21("4","6","2","7","1","1","4","1") = "6"
    & skf21("4","6","2","7","1","1","5","1") = "6"
    & skf21("4","6","2","7","1","1","6","1") = "6"
    & skf21("4","6","2","7","1","1","7","1") = "6"
    & skf21("4","6","2","7","1","2","1","1") = "6"
    & skf21("4","6","2","7","1","2","2","1") = "6"
    & skf21("4","6","2","7","1","2","3","1") = "6"
    & skf21("4","6","2","7","1","2","4","1") = "6"
    & skf21("4","6","2","7","1","2","5","1") = "6"
    & skf21("4","6","2","7","1","2","6","1") = "6"
    & skf21("4","6","2","7","1","2","7","1") = "6"
    & skf21("4","6","2","7","1","3","1","1") = "6"
    & skf21("4","6","2","7","1","3","2","1") = "6"
    & skf21("4","6","2","7","1","3","3","1") = "6"
    & skf21("4","6","2","7","1","3","4","1") = "6"
    & skf21("4","6","2","7","1","3","5","1") = "6"
    & skf21("4","6","2","7","1","3","6","1") = "6"
    & skf21("4","6","2","7","1","3","7","1") = "6"
    & skf21("4","6","2","7","1","4","1","1") = "6"
    & skf21("4","6","2","7","1","4","2","1") = "6"
    & skf21("4","6","2","7","1","4","3","1") = "6"
    & skf21("4","6","2","7","1","4","4","1") = "6"
    & skf21("4","6","2","7","1","4","5","1") = "6"
    & skf21("4","6","2","7","1","4","6","1") = "6"
    & skf21("4","6","2","7","1","4","7","1") = "6"
    & skf21("4","6","2","7","1","5","1","1") = "6"
    & skf21("4","6","2","7","1","5","2","1") = "6"
    & skf21("4","6","2","7","1","5","3","1") = "6"
    & skf21("4","6","2","7","1","5","4","1") = "6"
    & skf21("4","6","2","7","1","5","5","1") = "6"
    & skf21("4","6","2","7","1","5","6","1") = "6"
    & skf21("4","6","2","7","1","5","7","1") = "6"
    & skf21("4","6","2","7","1","6","1","1") = "6"
    & skf21("4","6","2","7","1","6","2","1") = "6"
    & skf21("4","6","2","7","1","6","3","1") = "6"
    & skf21("4","6","2","7","1","6","4","1") = "6"
    & skf21("4","6","2","7","1","6","5","1") = "6"
    & skf21("4","6","2","7","1","6","6","1") = "6"
    & skf21("4","6","2","7","1","6","7","1") = "6"
    & skf21("4","6","2","7","1","7","1","1") = "6"
    & skf21("4","6","2","7","1","7","2","1") = "6"
    & skf21("4","6","2","7","1","7","3","1") = "6"
    & skf21("4","6","2","7","1","7","4","1") = "6"
    & skf21("4","6","2","7","1","7","5","1") = "6"
    & skf21("4","6","2","7","1","7","6","1") = "6"
    & skf21("4","6","2","7","1","7","7","1") = "6"
    & skf21("4","6","2","7","2","1","1","1") = "6"
    & skf21("4","6","2","7","2","1","2","1") = "6"
    & skf21("4","6","2","7","2","1","3","1") = "6"
    & skf21("4","6","2","7","2","1","4","1") = "6"
    & skf21("4","6","2","7","2","1","5","1") = "6"
    & skf21("4","6","2","7","2","1","6","1") = "6"
    & skf21("4","6","2","7","2","1","7","1") = "6"
    & skf21("4","6","2","7","2","2","1","1") = "6"
    & skf21("4","6","2","7","2","2","2","1") = "6"
    & skf21("4","6","2","7","2","2","3","1") = "6"
    & skf21("4","6","2","7","2","2","4","1") = "6"
    & skf21("4","6","2","7","2","2","5","1") = "6"
    & skf21("4","6","2","7","2","2","6","1") = "6"
    & skf21("4","6","2","7","2","2","7","1") = "6"
    & skf21("4","6","2","7","2","3","1","1") = "6"
    & skf21("4","6","2","7","2","3","2","1") = "6"
    & skf21("4","6","2","7","2","3","3","1") = "6"
    & skf21("4","6","2","7","2","3","4","1") = "6"
    & skf21("4","6","2","7","2","3","5","1") = "6"
    & skf21("4","6","2","7","2","3","6","1") = "6"
    & skf21("4","6","2","7","2","3","7","1") = "6"
    & skf21("4","6","2","7","2","4","1","1") = "6"
    & skf21("4","6","2","7","2","4","2","1") = "6"
    & skf21("4","6","2","7","2","4","3","1") = "6"
    & skf21("4","6","2","7","2","4","4","1") = "6"
    & skf21("4","6","2","7","2","4","5","1") = "6"
    & skf21("4","6","2","7","2","4","6","1") = "6"
    & skf21("4","6","2","7","2","4","7","1") = "6"
    & skf21("4","6","2","7","2","5","1","1") = "6"
    & skf21("4","6","2","7","2","5","2","1") = "6"
    & skf21("4","6","2","7","2","5","3","1") = "6"
    & skf21("4","6","2","7","2","5","4","1") = "6"
    & skf21("4","6","2","7","2","5","5","1") = "6"
    & skf21("4","6","2","7","2","5","6","1") = "6"
    & skf21("4","6","2","7","2","5","7","1") = "6"
    & skf21("4","6","2","7","2","6","1","1") = "6"
    & skf21("4","6","2","7","2","6","2","1") = "6"
    & skf21("4","6","2","7","2","6","3","1") = "6"
    & skf21("4","6","2","7","2","6","4","1") = "6"
    & skf21("4","6","2","7","2","6","5","1") = "6"
    & skf21("4","6","2","7","2","6","6","1") = "6"
    & skf21("4","6","2","7","2","6","7","1") = "6"
    & skf21("4","6","2","7","2","7","1","1") = "6"
    & skf21("4","6","2","7","2","7","2","1") = "6"
    & skf21("4","6","2","7","2","7","3","1") = "6"
    & skf21("4","6","2","7","2","7","4","1") = "6"
    & skf21("4","6","2","7","2","7","5","1") = "6"
    & skf21("4","6","2","7","2","7","6","1") = "6"
    & skf21("4","6","2","7","2","7","7","1") = "6"
    & skf21("4","6","2","7","3","1","1","1") = "6"
    & skf21("4","6","2","7","3","1","2","1") = "6"
    & skf21("4","6","2","7","3","1","3","1") = "6"
    & skf21("4","6","2","7","3","1","4","1") = "6"
    & skf21("4","6","2","7","3","1","5","1") = "6"
    & skf21("4","6","2","7","3","1","6","1") = "6"
    & skf21("4","6","2","7","3","1","7","1") = "6"
    & skf21("4","6","2","7","3","2","1","1") = "6"
    & skf21("4","6","2","7","3","2","2","1") = "6"
    & skf21("4","6","2","7","3","2","3","1") = "6"
    & skf21("4","6","2","7","3","2","4","1") = "6"
    & skf21("4","6","2","7","3","2","5","1") = "6"
    & skf21("4","6","2","7","3","2","6","1") = "6"
    & skf21("4","6","2","7","3","2","7","1") = "6"
    & skf21("4","6","2","7","3","3","1","1") = "6"
    & skf21("4","6","2","7","3","3","2","1") = "6"
    & skf21("4","6","2","7","3","3","3","1") = "6"
    & skf21("4","6","2","7","3","3","4","1") = "6"
    & skf21("4","6","2","7","3","3","5","1") = "6"
    & skf21("4","6","2","7","3","3","6","1") = "6"
    & skf21("4","6","2","7","3","3","7","1") = "6"
    & skf21("4","6","2","7","3","4","1","1") = "6"
    & skf21("4","6","2","7","3","4","2","1") = "6"
    & skf21("4","6","2","7","3","4","3","1") = "6"
    & skf21("4","6","2","7","3","4","4","1") = "6"
    & skf21("4","6","2","7","3","4","5","1") = "6"
    & skf21("4","6","2","7","3","4","6","1") = "6"
    & skf21("4","6","2","7","3","4","7","1") = "6"
    & skf21("4","6","2","7","3","5","1","1") = "6"
    & skf21("4","6","2","7","3","5","2","1") = "6"
    & skf21("4","6","2","7","3","5","3","1") = "6"
    & skf21("4","6","2","7","3","5","4","1") = "6"
    & skf21("4","6","2","7","3","5","5","1") = "6"
    & skf21("4","6","2","7","3","5","6","1") = "6"
    & skf21("4","6","2","7","3","5","7","1") = "6"
    & skf21("4","6","2","7","3","6","1","1") = "6"
    & skf21("4","6","2","7","3","6","2","1") = "6"
    & skf21("4","6","2","7","3","6","3","1") = "6"
    & skf21("4","6","2","7","3","6","4","1") = "6"
    & skf21("4","6","2","7","3","6","5","1") = "6"
    & skf21("4","6","2","7","3","6","6","1") = "6"
    & skf21("4","6","2","7","3","6","7","1") = "6"
    & skf21("4","6","2","7","3","7","1","1") = "6"
    & skf21("4","6","2","7","3","7","2","1") = "6"
    & skf21("4","6","2","7","3","7","3","1") = "6"
    & skf21("4","6","2","7","3","7","4","1") = "6"
    & skf21("4","6","2","7","3","7","5","1") = "6"
    & skf21("4","6","2","7","3","7","6","1") = "6"
    & skf21("4","6","2","7","3","7","7","1") = "6"
    & skf21("4","6","2","7","4","1","1","1") = "6"
    & skf21("4","6","2","7","4","1","2","1") = "6"
    & skf21("4","6","2","7","4","1","3","1") = "6"
    & skf21("4","6","2","7","4","1","4","1") = "6"
    & skf21("4","6","2","7","4","1","5","1") = "6"
    & skf21("4","6","2","7","4","1","6","1") = "6"
    & skf21("4","6","2","7","4","1","7","1") = "6"
    & skf21("4","6","2","7","4","2","1","1") = "6"
    & skf21("4","6","2","7","4","2","2","1") = "6"
    & skf21("4","6","2","7","4","2","3","1") = "6"
    & skf21("4","6","2","7","4","2","4","1") = "6"
    & skf21("4","6","2","7","4","2","5","1") = "6"
    & skf21("4","6","2","7","4","2","6","1") = "6"
    & skf21("4","6","2","7","4","2","7","1") = "6"
    & skf21("4","6","2","7","4","3","1","1") = "6"
    & skf21("4","6","2","7","4","3","2","1") = "6"
    & skf21("4","6","2","7","4","3","3","1") = "6"
    & skf21("4","6","2","7","4","3","4","1") = "6"
    & skf21("4","6","2","7","4","3","5","1") = "6"
    & skf21("4","6","2","7","4","3","6","1") = "6"
    & skf21("4","6","2","7","4","3","7","1") = "6"
    & skf21("4","6","2","7","4","4","1","1") = "6"
    & skf21("4","6","2","7","4","4","2","1") = "6"
    & skf21("4","6","2","7","4","4","3","1") = "6"
    & skf21("4","6","2","7","4","4","4","1") = "6"
    & skf21("4","6","2","7","4","4","5","1") = "6"
    & skf21("4","6","2","7","4","4","6","1") = "6"
    & skf21("4","6","2","7","4","4","7","1") = "6"
    & skf21("4","6","2","7","4","5","1","1") = "6"
    & skf21("4","6","2","7","4","5","2","1") = "6"
    & skf21("4","6","2","7","4","5","3","1") = "6"
    & skf21("4","6","2","7","4","5","4","1") = "6"
    & skf21("4","6","2","7","4","5","5","1") = "6"
    & skf21("4","6","2","7","4","5","6","1") = "6"
    & skf21("4","6","2","7","4","5","7","1") = "6"
    & skf21("4","6","2","7","4","6","1","1") = "6"
    & skf21("4","6","2","7","4","6","2","1") = "6"
    & skf21("4","6","2","7","4","6","3","1") = "6"
    & skf21("4","6","2","7","4","6","4","1") = "6"
    & skf21("4","6","2","7","4","6","5","1") = "6"
    & skf21("4","6","2","7","4","6","6","1") = "6"
    & skf21("4","6","2","7","4","6","7","1") = "6"
    & skf21("4","6","2","7","4","7","1","1") = "6"
    & skf21("4","6","2","7","4","7","2","1") = "6"
    & skf21("4","6","2","7","4","7","3","1") = "6"
    & skf21("4","6","2","7","4","7","4","1") = "6"
    & skf21("4","6","2","7","4","7","5","1") = "6"
    & skf21("4","6","2","7","4","7","6","1") = "6"
    & skf21("4","6","2","7","4","7","7","1") = "6"
    & skf21("4","6","2","7","5","1","1","1") = "6"
    & skf21("4","6","2","7","5","1","2","1") = "6"
    & skf21("4","6","2","7","5","1","3","1") = "6"
    & skf21("4","6","2","7","5","1","4","1") = "6"
    & skf21("4","6","2","7","5","1","5","1") = "6"
    & skf21("4","6","2","7","5","1","6","1") = "6"
    & skf21("4","6","2","7","5","1","7","1") = "6"
    & skf21("4","6","2","7","5","2","1","1") = "6"
    & skf21("4","6","2","7","5","2","2","1") = "6"
    & skf21("4","6","2","7","5","2","3","1") = "6"
    & skf21("4","6","2","7","5","2","4","1") = "6"
    & skf21("4","6","2","7","5","2","5","1") = "6"
    & skf21("4","6","2","7","5","2","6","1") = "6"
    & skf21("4","6","2","7","5","2","7","1") = "6"
    & skf21("4","6","2","7","5","3","1","1") = "6"
    & skf21("4","6","2","7","5","3","2","1") = "6"
    & skf21("4","6","2","7","5","3","3","1") = "6"
    & skf21("4","6","2","7","5","3","4","1") = "6"
    & skf21("4","6","2","7","5","3","5","1") = "6"
    & skf21("4","6","2","7","5","3","6","1") = "6"
    & skf21("4","6","2","7","5","3","7","1") = "6"
    & skf21("4","6","2","7","5","4","1","1") = "6"
    & skf21("4","6","2","7","5","4","2","1") = "6"
    & skf21("4","6","2","7","5","4","3","1") = "6"
    & skf21("4","6","2","7","5","4","4","1") = "6"
    & skf21("4","6","2","7","5","4","5","1") = "6"
    & skf21("4","6","2","7","5","4","6","1") = "6"
    & skf21("4","6","2","7","5","4","7","1") = "6"
    & skf21("4","6","2","7","5","5","1","1") = "6"
    & skf21("4","6","2","7","5","5","2","1") = "6"
    & skf21("4","6","2","7","5","5","3","1") = "6"
    & skf21("4","6","2","7","5","5","4","1") = "6"
    & skf21("4","6","2","7","5","5","5","1") = "6"
    & skf21("4","6","2","7","5","5","6","1") = "6"
    & skf21("4","6","2","7","5","5","7","1") = "6"
    & skf21("4","6","2","7","5","6","1","1") = "6"
    & skf21("4","6","2","7","5","6","2","1") = "6"
    & skf21("4","6","2","7","5","6","3","1") = "6"
    & skf21("4","6","2","7","5","6","4","1") = "6"
    & skf21("4","6","2","7","5","6","5","1") = "6"
    & skf21("4","6","2","7","5","6","6","1") = "6"
    & skf21("4","6","2","7","5","6","7","1") = "6"
    & skf21("4","6","2","7","5","7","1","1") = "6"
    & skf21("4","6","2","7","5","7","2","1") = "6"
    & skf21("4","6","2","7","5","7","3","1") = "6"
    & skf21("4","6","2","7","5","7","4","1") = "6"
    & skf21("4","6","2","7","5","7","5","1") = "6"
    & skf21("4","6","2","7","5","7","6","1") = "6"
    & skf21("4","6","2","7","5","7","7","1") = "6"
    & skf21("4","6","2","7","6","1","1","1") = "6"
    & skf21("4","6","2","7","6","1","2","1") = "6"
    & skf21("4","6","2","7","6","1","3","1") = "6"
    & skf21("4","6","2","7","6","1","4","1") = "6"
    & skf21("4","6","2","7","6","1","5","1") = "6"
    & skf21("4","6","2","7","6","1","6","1") = "6"
    & skf21("4","6","2","7","6","1","7","1") = "6"
    & skf21("4","6","2","7","6","2","1","1") = "6"
    & skf21("4","6","2","7","6","2","2","1") = "6"
    & skf21("4","6","2","7","6","2","3","1") = "6"
    & skf21("4","6","2","7","6","2","4","1") = "6"
    & skf21("4","6","2","7","6","2","5","1") = "6"
    & skf21("4","6","2","7","6","2","6","1") = "6"
    & skf21("4","6","2","7","6","2","7","1") = "6"
    & skf21("4","6","2","7","6","3","1","1") = "6"
    & skf21("4","6","2","7","6","3","2","1") = "6"
    & skf21("4","6","2","7","6","3","3","1") = "6"
    & skf21("4","6","2","7","6","3","4","1") = "6"
    & skf21("4","6","2","7","6","3","5","1") = "6"
    & skf21("4","6","2","7","6","3","6","1") = "6"
    & skf21("4","6","2","7","6","3","7","1") = "6"
    & skf21("4","6","2","7","6","4","1","1") = "6"
    & skf21("4","6","2","7","6","4","2","1") = "6"
    & skf21("4","6","2","7","6","4","3","1") = "6"
    & skf21("4","6","2","7","6","4","4","1") = "6"
    & skf21("4","6","2","7","6","4","5","1") = "6"
    & skf21("4","6","2","7","6","4","6","1") = "6"
    & skf21("4","6","2","7","6","4","7","1") = "6"
    & skf21("4","6","2","7","6","5","1","1") = "6"
    & skf21("4","6","2","7","6","5","2","1") = "6"
    & skf21("4","6","2","7","6","5","3","1") = "6"
    & skf21("4","6","2","7","6","5","4","1") = "6"
    & skf21("4","6","2","7","6","5","5","1") = "6"
    & skf21("4","6","2","7","6","5","6","1") = "6"
    & skf21("4","6","2","7","6","5","7","1") = "6"
    & skf21("4","6","2","7","6","6","1","1") = "6"
    & skf21("4","6","2","7","6","6","2","1") = "6"
    & skf21("4","6","2","7","6","6","3","1") = "6"
    & skf21("4","6","2","7","6","6","4","1") = "6"
    & skf21("4","6","2","7","6","6","5","1") = "6"
    & skf21("4","6","2","7","6","6","6","1") = "6"
    & skf21("4","6","2","7","6","6","7","1") = "6"
    & skf21("4","6","2","7","6","7","1","1") = "6"
    & skf21("4","6","2","7","6","7","2","1") = "6"
    & skf21("4","6","2","7","6","7","3","1") = "6"
    & skf21("4","6","2","7","6","7","4","1") = "6"
    & skf21("4","6","2","7","6","7","5","1") = "6"
    & skf21("4","6","2","7","6","7","6","1") = "6"
    & skf21("4","6","2","7","6","7","7","1") = "6"
    & skf21("4","6","2","7","7","1","1","1") = "6"
    & skf21("4","6","2","7","7","1","2","1") = "6"
    & skf21("4","6","2","7","7","1","3","1") = "6"
    & skf21("4","6","2","7","7","1","4","1") = "6"
    & skf21("4","6","2","7","7","1","5","1") = "6"
    & skf21("4","6","2","7","7","1","6","1") = "6"
    & skf21("4","6","2","7","7","1","7","1") = "6"
    & skf21("4","6","2","7","7","2","1","1") = "6"
    & skf21("4","6","2","7","7","2","2","1") = "6"
    & skf21("4","6","2","7","7","2","3","1") = "6"
    & skf21("4","6","2","7","7","2","4","1") = "6"
    & skf21("4","6","2","7","7","2","5","1") = "6"
    & skf21("4","6","2","7","7","2","6","1") = "6"
    & skf21("4","6","2","7","7","2","7","1") = "6"
    & skf21("4","6","2","7","7","3","1","1") = "6"
    & skf21("4","6","2","7","7","3","2","1") = "6"
    & skf21("4","6","2","7","7","3","3","1") = "6"
    & skf21("4","6","2","7","7","3","4","1") = "6"
    & skf21("4","6","2","7","7","3","5","1") = "6"
    & skf21("4","6","2","7","7","3","6","1") = "6"
    & skf21("4","6","2","7","7","3","7","1") = "6"
    & skf21("4","6","2","7","7","4","1","1") = "6"
    & skf21("4","6","2","7","7","4","2","1") = "6"
    & skf21("4","6","2","7","7","4","3","1") = "6"
    & skf21("4","6","2","7","7","4","4","1") = "6"
    & skf21("4","6","2","7","7","4","5","1") = "6"
    & skf21("4","6","2","7","7","4","6","1") = "6"
    & skf21("4","6","2","7","7","4","7","1") = "6"
    & skf21("4","6","2","7","7","5","1","1") = "6"
    & skf21("4","6","2","7","7","5","2","1") = "6"
    & skf21("4","6","2","7","7","5","3","1") = "6"
    & skf21("4","6","2","7","7","5","4","1") = "6"
    & skf21("4","6","2","7","7","5","5","1") = "6"
    & skf21("4","6","2","7","7","5","6","1") = "6"
    & skf21("4","6","2","7","7","5","7","1") = "6"
    & skf21("4","6","2","7","7","6","1","1") = "6"
    & skf21("4","6","2","7","7","6","2","1") = "6"
    & skf21("4","6","2","7","7","6","3","1") = "6"
    & skf21("4","6","2","7","7","6","4","1") = "6"
    & skf21("4","6","2","7","7","6","5","1") = "6"
    & skf21("4","6","2","7","7","6","6","1") = "6"
    & skf21("4","6","2","7","7","6","7","1") = "6"
    & skf21("4","6","2","7","7","7","1","1") = "6"
    & skf21("4","6","2","7","7","7","2","1") = "6"
    & skf21("4","6","2","7","7","7","3","1") = "6"
    & skf21("4","6","2","7","7","7","4","1") = "6"
    & skf21("4","6","2","7","7","7","5","1") = "6"
    & skf21("4","6","2","7","7","7","6","1") = "6"
    & skf21("4","6","2","7","7","7","7","1") = "6"
    & skf21("4","6","3","1","1","1","1","1") = "5"
    & skf21("4","6","3","1","1","1","2","1") = "5"
    & skf21("4","6","3","1","1","1","3","1") = "5"
    & skf21("4","6","3","1","1","1","4","1") = "5"
    & skf21("4","6","3","1","1","1","5","1") = "5"
    & skf21("4","6","3","1","1","1","6","1") = "5"
    & skf21("4","6","3","1","1","1","7","1") = "6"
    & skf21("4","6","3","1","1","2","1","1") = "5"
    & skf21("4","6","3","1","1","2","2","1") = "5"
    & skf21("4","6","3","1","1","2","3","1") = "5"
    & skf21("4","6","3","1","1","2","4","1") = "5"
    & skf21("4","6","3","1","1","2","5","1") = "5"
    & skf21("4","6","3","1","1","2","6","1") = "5"
    & skf21("4","6","3","1","1","2","7","1") = "6"
    & skf21("4","6","3","1","1","3","1","1") = "5"
    & skf21("4","6","3","1","1","3","2","1") = "5"
    & skf21("4","6","3","1","1","3","3","1") = "5"
    & skf21("4","6","3","1","1","3","4","1") = "5"
    & skf21("4","6","3","1","1","3","5","1") = "5"
    & skf21("4","6","3","1","1","3","6","1") = "5"
    & skf21("4","6","3","1","1","3","7","1") = "6"
    & skf21("4","6","3","1","1","4","1","1") = "5"
    & skf21("4","6","3","1","1","4","2","1") = "5"
    & skf21("4","6","3","1","1","4","3","1") = "5"
    & skf21("4","6","3","1","1","4","4","1") = "5"
    & skf21("4","6","3","1","1","4","5","1") = "5"
    & skf21("4","6","3","1","1","4","6","1") = "5"
    & skf21("4","6","3","1","1","4","7","1") = "6"
    & skf21("4","6","3","1","1","5","1","1") = "5"
    & skf21("4","6","3","1","1","5","2","1") = "5"
    & skf21("4","6","3","1","1","5","3","1") = "5"
    & skf21("4","6","3","1","1","5","4","1") = "5"
    & skf21("4","6","3","1","1","5","5","1") = "5"
    & skf21("4","6","3","1","1","5","6","1") = "5"
    & skf21("4","6","3","1","1","5","7","1") = "6"
    & skf21("4","6","3","1","1","6","1","1") = "5"
    & skf21("4","6","3","1","1","6","2","1") = "5"
    & skf21("4","6","3","1","1","6","3","1") = "5"
    & skf21("4","6","3","1","1","6","4","1") = "5"
    & skf21("4","6","3","1","1","6","5","1") = "5"
    & skf21("4","6","3","1","1","6","6","1") = "5"
    & skf21("4","6","3","1","1","6","7","1") = "6"
    & skf21("4","6","3","1","1","7","1","1") = "6"
    & skf21("4","6","3","1","1","7","2","1") = "6"
    & skf21("4","6","3","1","1","7","3","1") = "6"
    & skf21("4","6","3","1","1","7","4","1") = "6"
    & skf21("4","6","3","1","1","7","5","1") = "6"
    & skf21("4","6","3","1","1","7","6","1") = "6"
    & skf21("4","6","3","1","1","7","7","1") = "6"
    & skf21("4","6","3","1","2","1","1","1") = "5"
    & skf21("4","6","3","1","2","1","2","1") = "5"
    & skf21("4","6","3","1","2","1","3","1") = "5"
    & skf21("4","6","3","1","2","1","4","1") = "5"
    & skf21("4","6","3","1","2","1","5","1") = "5"
    & skf21("4","6","3","1","2","1","6","1") = "5"
    & skf21("4","6","3","1","2","1","7","1") = "6"
    & skf21("4","6","3","1","2","2","1","1") = "5"
    & skf21("4","6","3","1","2","2","2","1") = "5"
    & skf21("4","6","3","1","2","2","3","1") = "5"
    & skf21("4","6","3","1","2","2","4","1") = "5"
    & skf21("4","6","3","1","2","2","5","1") = "5"
    & skf21("4","6","3","1","2","2","6","1") = "5"
    & skf21("4","6","3","1","2","2","7","1") = "6"
    & skf21("4","6","3","1","2","3","1","1") = "5"
    & skf21("4","6","3","1","2","3","2","1") = "5"
    & skf21("4","6","3","1","2","3","3","1") = "5"
    & skf21("4","6","3","1","2","3","4","1") = "5"
    & skf21("4","6","3","1","2","3","5","1") = "5"
    & skf21("4","6","3","1","2","3","6","1") = "5"
    & skf21("4","6","3","1","2","3","7","1") = "6"
    & skf21("4","6","3","1","2","4","1","1") = "5"
    & skf21("4","6","3","1","2","4","2","1") = "5"
    & skf21("4","6","3","1","2","4","3","1") = "5"
    & skf21("4","6","3","1","2","4","4","1") = "5"
    & skf21("4","6","3","1","2","4","5","1") = "5"
    & skf21("4","6","3","1","2","4","6","1") = "5"
    & skf21("4","6","3","1","2","4","7","1") = "6"
    & skf21("4","6","3","1","2","5","1","1") = "5"
    & skf21("4","6","3","1","2","5","2","1") = "5"
    & skf21("4","6","3","1","2","5","3","1") = "5"
    & skf21("4","6","3","1","2","5","4","1") = "5"
    & skf21("4","6","3","1","2","5","5","1") = "5"
    & skf21("4","6","3","1","2","5","6","1") = "5"
    & skf21("4","6","3","1","2","5","7","1") = "6"
    & skf21("4","6","3","1","2","6","1","1") = "5"
    & skf21("4","6","3","1","2","6","2","1") = "5"
    & skf21("4","6","3","1","2","6","3","1") = "5"
    & skf21("4","6","3","1","2","6","4","1") = "5"
    & skf21("4","6","3","1","2","6","5","1") = "5"
    & skf21("4","6","3","1","2","6","6","1") = "5"
    & skf21("4","6","3","1","2","6","7","1") = "6"
    & skf21("4","6","3","1","2","7","1","1") = "6"
    & skf21("4","6","3","1","2","7","2","1") = "6"
    & skf21("4","6","3","1","2","7","3","1") = "6"
    & skf21("4","6","3","1","2","7","4","1") = "6"
    & skf21("4","6","3","1","2","7","5","1") = "6"
    & skf21("4","6","3","1","2","7","6","1") = "6"
    & skf21("4","6","3","1","2","7","7","1") = "6"
    & skf21("4","6","3","1","3","1","1","1") = "5"
    & skf21("4","6","3","1","3","1","2","1") = "5"
    & skf21("4","6","3","1","3","1","3","1") = "5"
    & skf21("4","6","3","1","3","1","4","1") = "5"
    & skf21("4","6","3","1","3","1","5","1") = "5"
    & skf21("4","6","3","1","3","1","6","1") = "5"
    & skf21("4","6","3","1","3","1","7","1") = "6"
    & skf21("4","6","3","1","3","2","1","1") = "5"
    & skf21("4","6","3","1","3","2","2","1") = "5"
    & skf21("4","6","3","1","3","2","3","1") = "5"
    & skf21("4","6","3","1","3","2","4","1") = "5"
    & skf21("4","6","3","1","3","2","5","1") = "5"
    & skf21("4","6","3","1","3","2","6","1") = "5"
    & skf21("4","6","3","1","3","2","7","1") = "6"
    & skf21("4","6","3","1","3","3","1","1") = "5"
    & skf21("4","6","3","1","3","3","2","1") = "5"
    & skf21("4","6","3","1","3","3","3","1") = "5"
    & skf21("4","6","3","1","3","3","4","1") = "5"
    & skf21("4","6","3","1","3","3","5","1") = "5"
    & skf21("4","6","3","1","3","3","6","1") = "5"
    & skf21("4","6","3","1","3","3","7","1") = "6"
    & skf21("4","6","3","1","3","4","1","1") = "5"
    & skf21("4","6","3","1","3","4","2","1") = "5"
    & skf21("4","6","3","1","3","4","3","1") = "5"
    & skf21("4","6","3","1","3","4","4","1") = "5"
    & skf21("4","6","3","1","3","4","5","1") = "5"
    & skf21("4","6","3","1","3","4","6","1") = "5"
    & skf21("4","6","3","1","3","4","7","1") = "6"
    & skf21("4","6","3","1","3","5","1","1") = "5"
    & skf21("4","6","3","1","3","5","2","1") = "5"
    & skf21("4","6","3","1","3","5","3","1") = "5"
    & skf21("4","6","3","1","3","5","4","1") = "5"
    & skf21("4","6","3","1","3","5","5","1") = "5"
    & skf21("4","6","3","1","3","5","6","1") = "5"
    & skf21("4","6","3","1","3","5","7","1") = "6"
    & skf21("4","6","3","1","3","6","1","1") = "5"
    & skf21("4","6","3","1","3","6","2","1") = "5"
    & skf21("4","6","3","1","3","6","3","1") = "5"
    & skf21("4","6","3","1","3","6","4","1") = "5"
    & skf21("4","6","3","1","3","6","5","1") = "5"
    & skf21("4","6","3","1","3","6","6","1") = "5"
    & skf21("4","6","3","1","3","6","7","1") = "6"
    & skf21("4","6","3","1","3","7","1","1") = "6"
    & skf21("4","6","3","1","3","7","2","1") = "6"
    & skf21("4","6","3","1","3","7","3","1") = "6"
    & skf21("4","6","3","1","3","7","4","1") = "6"
    & skf21("4","6","3","1","3","7","5","1") = "6"
    & skf21("4","6","3","1","3","7","6","1") = "6"
    & skf21("4","6","3","1","3","7","7","1") = "6"
    & skf21("4","6","3","1","4","1","1","1") = "5"
    & skf21("4","6","3","1","4","1","2","1") = "5"
    & skf21("4","6","3","1","4","1","3","1") = "5"
    & skf21("4","6","3","1","4","1","4","1") = "5"
    & skf21("4","6","3","1","4","1","5","1") = "5"
    & skf21("4","6","3","1","4","1","6","1") = "5"
    & skf21("4","6","3","1","4","1","7","1") = "6"
    & skf21("4","6","3","1","4","2","1","1") = "5"
    & skf21("4","6","3","1","4","2","2","1") = "5"
    & skf21("4","6","3","1","4","2","3","1") = "5"
    & skf21("4","6","3","1","4","2","4","1") = "5"
    & skf21("4","6","3","1","4","2","5","1") = "5"
    & skf21("4","6","3","1","4","2","6","1") = "5"
    & skf21("4","6","3","1","4","2","7","1") = "6"
    & skf21("4","6","3","1","4","3","1","1") = "5"
    & skf21("4","6","3","1","4","3","2","1") = "5"
    & skf21("4","6","3","1","4","3","3","1") = "5"
    & skf21("4","6","3","1","4","3","4","1") = "5"
    & skf21("4","6","3","1","4","3","5","1") = "5"
    & skf21("4","6","3","1","4","3","6","1") = "5"
    & skf21("4","6","3","1","4","3","7","1") = "6"
    & skf21("4","6","3","1","4","4","1","1") = "5"
    & skf21("4","6","3","1","4","4","2","1") = "5"
    & skf21("4","6","3","1","4","4","3","1") = "5"
    & skf21("4","6","3","1","4","4","4","1") = "5"
    & skf21("4","6","3","1","4","4","5","1") = "5"
    & skf21("4","6","3","1","4","4","6","1") = "5"
    & skf21("4","6","3","1","4","4","7","1") = "6"
    & skf21("4","6","3","1","4","5","1","1") = "5"
    & skf21("4","6","3","1","4","5","2","1") = "5"
    & skf21("4","6","3","1","4","5","3","1") = "5"
    & skf21("4","6","3","1","4","5","4","1") = "5"
    & skf21("4","6","3","1","4","5","5","1") = "5"
    & skf21("4","6","3","1","4","5","6","1") = "5"
    & skf21("4","6","3","1","4","5","7","1") = "6"
    & skf21("4","6","3","1","4","6","1","1") = "5"
    & skf21("4","6","3","1","4","6","2","1") = "5"
    & skf21("4","6","3","1","4","6","3","1") = "5"
    & skf21("4","6","3","1","4","6","4","1") = "5"
    & skf21("4","6","3","1","4","6","5","1") = "5"
    & skf21("4","6","3","1","4","6","6","1") = "5"
    & skf21("4","6","3","1","4","6","7","1") = "6"
    & skf21("4","6","3","1","4","7","1","1") = "6"
    & skf21("4","6","3","1","4","7","2","1") = "6"
    & skf21("4","6","3","1","4","7","3","1") = "6"
    & skf21("4","6","3","1","4","7","4","1") = "6"
    & skf21("4","6","3","1","4","7","5","1") = "6"
    & skf21("4","6","3","1","4","7","6","1") = "6"
    & skf21("4","6","3","1","4","7","7","1") = "6"
    & skf21("4","6","3","1","5","1","1","1") = "5"
    & skf21("4","6","3","1","5","1","2","1") = "5"
    & skf21("4","6","3","1","5","1","3","1") = "5"
    & skf21("4","6","3","1","5","1","4","1") = "5"
    & skf21("4","6","3","1","5","1","5","1") = "5"
    & skf21("4","6","3","1","5","1","6","1") = "5"
    & skf21("4","6","3","1","5","1","7","1") = "6"
    & skf21("4","6","3","1","5","2","1","1") = "5"
    & skf21("4","6","3","1","5","2","2","1") = "5"
    & skf21("4","6","3","1","5","2","3","1") = "5"
    & skf21("4","6","3","1","5","2","4","1") = "5"
    & skf21("4","6","3","1","5","2","5","1") = "5"
    & skf21("4","6","3","1","5","2","6","1") = "5"
    & skf21("4","6","3","1","5","2","7","1") = "6"
    & skf21("4","6","3","1","5","3","1","1") = "5"
    & skf21("4","6","3","1","5","3","2","1") = "5"
    & skf21("4","6","3","1","5","3","3","1") = "5"
    & skf21("4","6","3","1","5","3","4","1") = "5"
    & skf21("4","6","3","1","5","3","5","1") = "5"
    & skf21("4","6","3","1","5","3","6","1") = "5"
    & skf21("4","6","3","1","5","3","7","1") = "6"
    & skf21("4","6","3","1","5","4","1","1") = "5"
    & skf21("4","6","3","1","5","4","2","1") = "5"
    & skf21("4","6","3","1","5","4","3","1") = "5"
    & skf21("4","6","3","1","5","4","4","1") = "5"
    & skf21("4","6","3","1","5","4","5","1") = "5"
    & skf21("4","6","3","1","5","4","6","1") = "5"
    & skf21("4","6","3","1","5","4","7","1") = "6"
    & skf21("4","6","3","1","5","5","1","1") = "5"
    & skf21("4","6","3","1","5","5","2","1") = "5"
    & skf21("4","6","3","1","5","5","3","1") = "5"
    & skf21("4","6","3","1","5","5","4","1") = "5"
    & skf21("4","6","3","1","5","5","5","1") = "5"
    & skf21("4","6","3","1","5","5","6","1") = "5"
    & skf21("4","6","3","1","5","5","7","1") = "6"
    & skf21("4","6","3","1","5","6","1","1") = "5"
    & skf21("4","6","3","1","5","6","2","1") = "5"
    & skf21("4","6","3","1","5","6","3","1") = "5"
    & skf21("4","6","3","1","5","6","4","1") = "5"
    & skf21("4","6","3","1","5","6","5","1") = "5"
    & skf21("4","6","3","1","5","6","6","1") = "5"
    & skf21("4","6","3","1","5","6","7","1") = "6"
    & skf21("4","6","3","1","5","7","1","1") = "6"
    & skf21("4","6","3","1","5","7","2","1") = "6"
    & skf21("4","6","3","1","5","7","3","1") = "6"
    & skf21("4","6","3","1","5","7","4","1") = "6"
    & skf21("4","6","3","1","5","7","5","1") = "6"
    & skf21("4","6","3","1","5","7","6","1") = "6"
    & skf21("4","6","3","1","5","7","7","1") = "6"
    & skf21("4","6","3","1","6","1","1","1") = "5"
    & skf21("4","6","3","1","6","1","2","1") = "5"
    & skf21("4","6","3","1","6","1","3","1") = "5"
    & skf21("4","6","3","1","6","1","4","1") = "5"
    & skf21("4","6","3","1","6","1","5","1") = "5"
    & skf21("4","6","3","1","6","1","6","1") = "5"
    & skf21("4","6","3","1","6","1","7","1") = "6"
    & skf21("4","6","3","1","6","2","1","1") = "5"
    & skf21("4","6","3","1","6","2","2","1") = "5"
    & skf21("4","6","3","1","6","2","3","1") = "5"
    & skf21("4","6","3","1","6","2","4","1") = "5"
    & skf21("4","6","3","1","6","2","5","1") = "5"
    & skf21("4","6","3","1","6","2","6","1") = "5"
    & skf21("4","6","3","1","6","2","7","1") = "6"
    & skf21("4","6","3","1","6","3","1","1") = "5"
    & skf21("4","6","3","1","6","3","2","1") = "5"
    & skf21("4","6","3","1","6","3","3","1") = "5"
    & skf21("4","6","3","1","6","3","4","1") = "5"
    & skf21("4","6","3","1","6","3","5","1") = "5"
    & skf21("4","6","3","1","6","3","6","1") = "5"
    & skf21("4","6","3","1","6","3","7","1") = "6"
    & skf21("4","6","3","1","6","4","1","1") = "5"
    & skf21("4","6","3","1","6","4","2","1") = "5"
    & skf21("4","6","3","1","6","4","3","1") = "5"
    & skf21("4","6","3","1","6","4","4","1") = "5"
    & skf21("4","6","3","1","6","4","5","1") = "5"
    & skf21("4","6","3","1","6","4","6","1") = "5"
    & skf21("4","6","3","1","6","4","7","1") = "6"
    & skf21("4","6","3","1","6","5","1","1") = "5"
    & skf21("4","6","3","1","6","5","2","1") = "5"
    & skf21("4","6","3","1","6","5","3","1") = "5"
    & skf21("4","6","3","1","6","5","4","1") = "5"
    & skf21("4","6","3","1","6","5","5","1") = "5"
    & skf21("4","6","3","1","6","5","6","1") = "5"
    & skf21("4","6","3","1","6","5","7","1") = "6"
    & skf21("4","6","3","1","6","6","1","1") = "5"
    & skf21("4","6","3","1","6","6","2","1") = "5"
    & skf21("4","6","3","1","6","6","3","1") = "5"
    & skf21("4","6","3","1","6","6","4","1") = "5"
    & skf21("4","6","3","1","6","6","5","1") = "5"
    & skf21("4","6","3","1","6","6","6","1") = "5"
    & skf21("4","6","3","1","6","6","7","1") = "6"
    & skf21("4","6","3","1","6","7","1","1") = "6"
    & skf21("4","6","3","1","6","7","2","1") = "6"
    & skf21("4","6","3","1","6","7","3","1") = "6"
    & skf21("4","6","3","1","6","7","4","1") = "6"
    & skf21("4","6","3","1","6","7","5","1") = "6"
    & skf21("4","6","3","1","6","7","6","1") = "6"
    & skf21("4","6","3","1","6","7","7","1") = "6"
    & skf21("4","6","3","1","7","1","1","1") = "6"
    & skf21("4","6","3","1","7","1","2","1") = "6"
    & skf21("4","6","3","1","7","1","3","1") = "6"
    & skf21("4","6","3","1","7","1","4","1") = "6"
    & skf21("4","6","3","1","7","1","5","1") = "6"
    & skf21("4","6","3","1","7","1","6","1") = "6"
    & skf21("4","6","3","1","7","1","7","1") = "6"
    & skf21("4","6","3","1","7","2","1","1") = "6"
    & skf21("4","6","3","1","7","2","2","1") = "6"
    & skf21("4","6","3","1","7","2","3","1") = "6"
    & skf21("4","6","3","1","7","2","4","1") = "6"
    & skf21("4","6","3","1","7","2","5","1") = "6"
    & skf21("4","6","3","1","7","2","6","1") = "6"
    & skf21("4","6","3","1","7","2","7","1") = "6"
    & skf21("4","6","3","1","7","3","1","1") = "6"
    & skf21("4","6","3","1","7","3","2","1") = "6"
    & skf21("4","6","3","1","7","3","3","1") = "6"
    & skf21("4","6","3","1","7","3","4","1") = "6"
    & skf21("4","6","3","1","7","3","5","1") = "6"
    & skf21("4","6","3","1","7","3","6","1") = "6"
    & skf21("4","6","3","1","7","3","7","1") = "6"
    & skf21("4","6","3","1","7","4","1","1") = "6"
    & skf21("4","6","3","1","7","4","2","1") = "6"
    & skf21("4","6","3","1","7","4","3","1") = "6"
    & skf21("4","6","3","1","7","4","4","1") = "6"
    & skf21("4","6","3","1","7","4","5","1") = "6"
    & skf21("4","6","3","1","7","4","6","1") = "6"
    & skf21("4","6","3","1","7","4","7","1") = "6"
    & skf21("4","6","3","1","7","5","1","1") = "6"
    & skf21("4","6","3","1","7","5","2","1") = "6"
    & skf21("4","6","3","1","7","5","3","1") = "6"
    & skf21("4","6","3","1","7","5","4","1") = "6"
    & skf21("4","6","3","1","7","5","5","1") = "6"
    & skf21("4","6","3","1","7","5","6","1") = "6"
    & skf21("4","6","3","1","7","5","7","1") = "6"
    & skf21("4","6","3","1","7","6","1","1") = "6"
    & skf21("4","6","3","1","7","6","2","1") = "6"
    & skf21("4","6","3","1","7","6","3","1") = "6"
    & skf21("4","6","3","1","7","6","4","1") = "6"
    & skf21("4","6","3","1","7","6","5","1") = "6"
    & skf21("4","6","3","1","7","6","6","1") = "6"
    & skf21("4","6","3","1","7","6","7","1") = "6"
    & skf21("4","6","3","1","7","7","1","1") = "6"
    & skf21("4","6","3","1","7","7","2","1") = "6"
    & skf21("4","6","3","1","7","7","3","1") = "6"
    & skf21("4","6","3","1","7","7","4","1") = "6"
    & skf21("4","6","3","1","7","7","5","1") = "6"
    & skf21("4","6","3","1","7","7","6","1") = "6"
    & skf21("4","6","3","1","7","7","7","1") = "6"
    & skf21("4","6","3","2","1","1","1","1") = "5"
    & skf21("4","6","3","2","1","1","2","1") = "5"
    & skf21("4","6","3","2","1","1","3","1") = "5"
    & skf21("4","6","3","2","1","1","4","1") = "5"
    & skf21("4","6","3","2","1","1","5","1") = "5"
    & skf21("4","6","3","2","1","1","6","1") = "5"
    & skf21("4","6","3","2","1","1","7","1") = "6"
    & skf21("4","6","3","2","1","2","1","1") = "5"
    & skf21("4","6","3","2","1","2","2","1") = "5"
    & skf21("4","6","3","2","1","2","3","1") = "5"
    & skf21("4","6","3","2","1","2","4","1") = "5"
    & skf21("4","6","3","2","1","2","5","1") = "5"
    & skf21("4","6","3","2","1","2","6","1") = "5"
    & skf21("4","6","3","2","1","2","7","1") = "6"
    & skf21("4","6","3","2","1","3","1","1") = "5"
    & skf21("4","6","3","2","1","3","2","1") = "5"
    & skf21("4","6","3","2","1","3","3","1") = "5"
    & skf21("4","6","3","2","1","3","4","1") = "5"
    & skf21("4","6","3","2","1","3","5","1") = "5"
    & skf21("4","6","3","2","1","3","6","1") = "5"
    & skf21("4","6","3","2","1","3","7","1") = "6"
    & skf21("4","6","3","2","1","4","1","1") = "5"
    & skf21("4","6","3","2","1","4","2","1") = "5"
    & skf21("4","6","3","2","1","4","3","1") = "5"
    & skf21("4","6","3","2","1","4","4","1") = "5"
    & skf21("4","6","3","2","1","4","5","1") = "5"
    & skf21("4","6","3","2","1","4","6","1") = "5"
    & skf21("4","6","3","2","1","4","7","1") = "6"
    & skf21("4","6","3","2","1","5","1","1") = "5"
    & skf21("4","6","3","2","1","5","2","1") = "5"
    & skf21("4","6","3","2","1","5","3","1") = "5"
    & skf21("4","6","3","2","1","5","4","1") = "5"
    & skf21("4","6","3","2","1","5","5","1") = "5"
    & skf21("4","6","3","2","1","5","6","1") = "5"
    & skf21("4","6","3","2","1","5","7","1") = "6"
    & skf21("4","6","3","2","1","6","1","1") = "5"
    & skf21("4","6","3","2","1","6","2","1") = "5"
    & skf21("4","6","3","2","1","6","3","1") = "5"
    & skf21("4","6","3","2","1","6","4","1") = "5"
    & skf21("4","6","3","2","1","6","5","1") = "5"
    & skf21("4","6","3","2","1","6","6","1") = "5"
    & skf21("4","6","3","2","1","6","7","1") = "6"
    & skf21("4","6","3","2","1","7","1","1") = "6"
    & skf21("4","6","3","2","1","7","2","1") = "6"
    & skf21("4","6","3","2","1","7","3","1") = "6"
    & skf21("4","6","3","2","1","7","4","1") = "6"
    & skf21("4","6","3","2","1","7","5","1") = "6"
    & skf21("4","6","3","2","1","7","6","1") = "6"
    & skf21("4","6","3","2","1","7","7","1") = "6"
    & skf21("4","6","3","2","2","1","1","1") = "5"
    & skf21("4","6","3","2","2","1","2","1") = "5"
    & skf21("4","6","3","2","2","1","3","1") = "5"
    & skf21("4","6","3","2","2","1","4","1") = "5"
    & skf21("4","6","3","2","2","1","5","1") = "5"
    & skf21("4","6","3","2","2","1","6","1") = "5"
    & skf21("4","6","3","2","2","1","7","1") = "6"
    & skf21("4","6","3","2","2","2","1","1") = "5"
    & skf21("4","6","3","2","2","2","2","1") = "5"
    & skf21("4","6","3","2","2","2","3","1") = "5"
    & skf21("4","6","3","2","2","2","4","1") = "5"
    & skf21("4","6","3","2","2","2","5","1") = "5"
    & skf21("4","6","3","2","2","2","6","1") = "5"
    & skf21("4","6","3","2","2","2","7","1") = "6"
    & skf21("4","6","3","2","2","3","1","1") = "5"
    & skf21("4","6","3","2","2","3","2","1") = "5"
    & skf21("4","6","3","2","2","3","3","1") = "5"
    & skf21("4","6","3","2","2","3","4","1") = "5"
    & skf21("4","6","3","2","2","3","5","1") = "5"
    & skf21("4","6","3","2","2","3","6","1") = "5"
    & skf21("4","6","3","2","2","3","7","1") = "6"
    & skf21("4","6","3","2","2","4","1","1") = "5"
    & skf21("4","6","3","2","2","4","2","1") = "5"
    & skf21("4","6","3","2","2","4","3","1") = "5"
    & skf21("4","6","3","2","2","4","4","1") = "5"
    & skf21("4","6","3","2","2","4","5","1") = "5"
    & skf21("4","6","3","2","2","4","6","1") = "5"
    & skf21("4","6","3","2","2","4","7","1") = "6"
    & skf21("4","6","3","2","2","5","1","1") = "5"
    & skf21("4","6","3","2","2","5","2","1") = "5"
    & skf21("4","6","3","2","2","5","3","1") = "5"
    & skf21("4","6","3","2","2","5","4","1") = "5"
    & skf21("4","6","3","2","2","5","5","1") = "5"
    & skf21("4","6","3","2","2","5","6","1") = "5"
    & skf21("4","6","3","2","2","5","7","1") = "6"
    & skf21("4","6","3","2","2","6","1","1") = "5"
    & skf21("4","6","3","2","2","6","2","1") = "5"
    & skf21("4","6","3","2","2","6","3","1") = "5"
    & skf21("4","6","3","2","2","6","4","1") = "5"
    & skf21("4","6","3","2","2","6","5","1") = "5"
    & skf21("4","6","3","2","2","6","6","1") = "5"
    & skf21("4","6","3","2","2","6","7","1") = "6"
    & skf21("4","6","3","2","2","7","1","1") = "6"
    & skf21("4","6","3","2","2","7","2","1") = "6"
    & skf21("4","6","3","2","2","7","3","1") = "6"
    & skf21("4","6","3","2","2","7","4","1") = "6"
    & skf21("4","6","3","2","2","7","5","1") = "6"
    & skf21("4","6","3","2","2","7","6","1") = "6"
    & skf21("4","6","3","2","2","7","7","1") = "6"
    & skf21("4","6","3","2","3","1","1","1") = "5"
    & skf21("4","6","3","2","3","1","2","1") = "5"
    & skf21("4","6","3","2","3","1","3","1") = "5"
    & skf21("4","6","3","2","3","1","4","1") = "5"
    & skf21("4","6","3","2","3","1","5","1") = "5"
    & skf21("4","6","3","2","3","1","6","1") = "5"
    & skf21("4","6","3","2","3","1","7","1") = "6"
    & skf21("4","6","3","2","3","2","1","1") = "5"
    & skf21("4","6","3","2","3","2","2","1") = "5"
    & skf21("4","6","3","2","3","2","3","1") = "5"
    & skf21("4","6","3","2","3","2","4","1") = "5"
    & skf21("4","6","3","2","3","2","5","1") = "5"
    & skf21("4","6","3","2","3","2","6","1") = "5"
    & skf21("4","6","3","2","3","2","7","1") = "6"
    & skf21("4","6","3","2","3","3","1","1") = "5"
    & skf21("4","6","3","2","3","3","2","1") = "5"
    & skf21("4","6","3","2","3","3","3","1") = "5"
    & skf21("4","6","3","2","3","3","4","1") = "5"
    & skf21("4","6","3","2","3","3","5","1") = "5"
    & skf21("4","6","3","2","3","3","6","1") = "5"
    & skf21("4","6","3","2","3","3","7","1") = "6"
    & skf21("4","6","3","2","3","4","1","1") = "5"
    & skf21("4","6","3","2","3","4","2","1") = "5"
    & skf21("4","6","3","2","3","4","3","1") = "5"
    & skf21("4","6","3","2","3","4","4","1") = "5"
    & skf21("4","6","3","2","3","4","5","1") = "5"
    & skf21("4","6","3","2","3","4","6","1") = "5"
    & skf21("4","6","3","2","3","4","7","1") = "6"
    & skf21("4","6","3","2","3","5","1","1") = "5"
    & skf21("4","6","3","2","3","5","2","1") = "5"
    & skf21("4","6","3","2","3","5","3","1") = "5"
    & skf21("4","6","3","2","3","5","4","1") = "5"
    & skf21("4","6","3","2","3","5","5","1") = "5"
    & skf21("4","6","3","2","3","5","6","1") = "5"
    & skf21("4","6","3","2","3","5","7","1") = "6"
    & skf21("4","6","3","2","3","6","1","1") = "5"
    & skf21("4","6","3","2","3","6","2","1") = "5"
    & skf21("4","6","3","2","3","6","3","1") = "5"
    & skf21("4","6","3","2","3","6","4","1") = "5"
    & skf21("4","6","3","2","3","6","5","1") = "5"
    & skf21("4","6","3","2","3","6","6","1") = "5"
    & skf21("4","6","3","2","3","6","7","1") = "6"
    & skf21("4","6","3","2","3","7","1","1") = "6"
    & skf21("4","6","3","2","3","7","2","1") = "6"
    & skf21("4","6","3","2","3","7","3","1") = "6"
    & skf21("4","6","3","2","3","7","4","1") = "6"
    & skf21("4","6","3","2","3","7","5","1") = "6"
    & skf21("4","6","3","2","3","7","6","1") = "6"
    & skf21("4","6","3","2","3","7","7","1") = "6"
    & skf21("4","6","3","2","4","1","1","1") = "5"
    & skf21("4","6","3","2","4","1","2","1") = "5"
    & skf21("4","6","3","2","4","1","3","1") = "5"
    & skf21("4","6","3","2","4","1","4","1") = "5"
    & skf21("4","6","3","2","4","1","5","1") = "5"
    & skf21("4","6","3","2","4","1","6","1") = "5"
    & skf21("4","6","3","2","4","1","7","1") = "6"
    & skf21("4","6","3","2","4","2","1","1") = "5"
    & skf21("4","6","3","2","4","2","2","1") = "5"
    & skf21("4","6","3","2","4","2","3","1") = "5"
    & skf21("4","6","3","2","4","2","4","1") = "5"
    & skf21("4","6","3","2","4","2","5","1") = "5"
    & skf21("4","6","3","2","4","2","6","1") = "5"
    & skf21("4","6","3","2","4","2","7","1") = "6"
    & skf21("4","6","3","2","4","3","1","1") = "5"
    & skf21("4","6","3","2","4","3","2","1") = "5"
    & skf21("4","6","3","2","4","3","3","1") = "5"
    & skf21("4","6","3","2","4","3","4","1") = "5"
    & skf21("4","6","3","2","4","3","5","1") = "5"
    & skf21("4","6","3","2","4","3","6","1") = "5"
    & skf21("4","6","3","2","4","3","7","1") = "6"
    & skf21("4","6","3","2","4","4","1","1") = "5"
    & skf21("4","6","3","2","4","4","2","1") = "5"
    & skf21("4","6","3","2","4","4","3","1") = "5"
    & skf21("4","6","3","2","4","4","4","1") = "5"
    & skf21("4","6","3","2","4","4","5","1") = "5"
    & skf21("4","6","3","2","4","4","6","1") = "5"
    & skf21("4","6","3","2","4","4","7","1") = "6"
    & skf21("4","6","3","2","4","5","1","1") = "5"
    & skf21("4","6","3","2","4","5","2","1") = "5"
    & skf21("4","6","3","2","4","5","3","1") = "5"
    & skf21("4","6","3","2","4","5","4","1") = "5"
    & skf21("4","6","3","2","4","5","5","1") = "5"
    & skf21("4","6","3","2","4","5","6","1") = "5"
    & skf21("4","6","3","2","4","5","7","1") = "6"
    & skf21("4","6","3","2","4","6","1","1") = "5"
    & skf21("4","6","3","2","4","6","2","1") = "5"
    & skf21("4","6","3","2","4","6","3","1") = "5"
    & skf21("4","6","3","2","4","6","4","1") = "5"
    & skf21("4","6","3","2","4","6","5","1") = "5"
    & skf21("4","6","3","2","4","6","6","1") = "5"
    & skf21("4","6","3","2","4","6","7","1") = "6"
    & skf21("4","6","3","2","4","7","1","1") = "6"
    & skf21("4","6","3","2","4","7","2","1") = "6"
    & skf21("4","6","3","2","4","7","3","1") = "6"
    & skf21("4","6","3","2","4","7","4","1") = "6"
    & skf21("4","6","3","2","4","7","5","1") = "6"
    & skf21("4","6","3","2","4","7","6","1") = "6"
    & skf21("4","6","3","2","4","7","7","1") = "6"
    & skf21("4","6","3","2","5","1","1","1") = "5"
    & skf21("4","6","3","2","5","1","2","1") = "5"
    & skf21("4","6","3","2","5","1","3","1") = "5"
    & skf21("4","6","3","2","5","1","4","1") = "5"
    & skf21("4","6","3","2","5","1","5","1") = "5"
    & skf21("4","6","3","2","5","1","6","1") = "5"
    & skf21("4","6","3","2","5","1","7","1") = "6"
    & skf21("4","6","3","2","5","2","1","1") = "5"
    & skf21("4","6","3","2","5","2","2","1") = "5"
    & skf21("4","6","3","2","5","2","3","1") = "5"
    & skf21("4","6","3","2","5","2","4","1") = "5"
    & skf21("4","6","3","2","5","2","5","1") = "5"
    & skf21("4","6","3","2","5","2","6","1") = "5"
    & skf21("4","6","3","2","5","2","7","1") = "6"
    & skf21("4","6","3","2","5","3","1","1") = "5"
    & skf21("4","6","3","2","5","3","2","1") = "5"
    & skf21("4","6","3","2","5","3","3","1") = "5"
    & skf21("4","6","3","2","5","3","4","1") = "5"
    & skf21("4","6","3","2","5","3","5","1") = "5"
    & skf21("4","6","3","2","5","3","6","1") = "5"
    & skf21("4","6","3","2","5","3","7","1") = "6"
    & skf21("4","6","3","2","5","4","1","1") = "5"
    & skf21("4","6","3","2","5","4","2","1") = "5"
    & skf21("4","6","3","2","5","4","3","1") = "5"
    & skf21("4","6","3","2","5","4","4","1") = "5"
    & skf21("4","6","3","2","5","4","5","1") = "5"
    & skf21("4","6","3","2","5","4","6","1") = "5"
    & skf21("4","6","3","2","5","4","7","1") = "6"
    & skf21("4","6","3","2","5","5","1","1") = "5"
    & skf21("4","6","3","2","5","5","2","1") = "5"
    & skf21("4","6","3","2","5","5","3","1") = "5"
    & skf21("4","6","3","2","5","5","4","1") = "5"
    & skf21("4","6","3","2","5","5","5","1") = "5"
    & skf21("4","6","3","2","5","5","6","1") = "5"
    & skf21("4","6","3","2","5","5","7","1") = "6"
    & skf21("4","6","3","2","5","6","1","1") = "5"
    & skf21("4","6","3","2","5","6","2","1") = "5"
    & skf21("4","6","3","2","5","6","3","1") = "5"
    & skf21("4","6","3","2","5","6","4","1") = "5"
    & skf21("4","6","3","2","5","6","5","1") = "5"
    & skf21("4","6","3","2","5","6","6","1") = "5"
    & skf21("4","6","3","2","5","6","7","1") = "6"
    & skf21("4","6","3","2","5","7","1","1") = "6"
    & skf21("4","6","3","2","5","7","2","1") = "6"
    & skf21("4","6","3","2","5","7","3","1") = "6"
    & skf21("4","6","3","2","5","7","4","1") = "6"
    & skf21("4","6","3","2","5","7","5","1") = "6"
    & skf21("4","6","3","2","5","7","6","1") = "6"
    & skf21("4","6","3","2","5","7","7","1") = "6"
    & skf21("4","6","3","2","6","1","1","1") = "5"
    & skf21("4","6","3","2","6","1","2","1") = "5"
    & skf21("4","6","3","2","6","1","3","1") = "5"
    & skf21("4","6","3","2","6","1","4","1") = "5"
    & skf21("4","6","3","2","6","1","5","1") = "5"
    & skf21("4","6","3","2","6","1","6","1") = "5"
    & skf21("4","6","3","2","6","1","7","1") = "6"
    & skf21("4","6","3","2","6","2","1","1") = "5"
    & skf21("4","6","3","2","6","2","2","1") = "5"
    & skf21("4","6","3","2","6","2","3","1") = "5"
    & skf21("4","6","3","2","6","2","4","1") = "5"
    & skf21("4","6","3","2","6","2","5","1") = "5"
    & skf21("4","6","3","2","6","2","6","1") = "5"
    & skf21("4","6","3","2","6","2","7","1") = "6"
    & skf21("4","6","3","2","6","3","1","1") = "5"
    & skf21("4","6","3","2","6","3","2","1") = "5"
    & skf21("4","6","3","2","6","3","3","1") = "5"
    & skf21("4","6","3","2","6","3","4","1") = "5"
    & skf21("4","6","3","2","6","3","5","1") = "5"
    & skf21("4","6","3","2","6","3","6","1") = "5"
    & skf21("4","6","3","2","6","3","7","1") = "6"
    & skf21("4","6","3","2","6","4","1","1") = "5"
    & skf21("4","6","3","2","6","4","2","1") = "5"
    & skf21("4","6","3","2","6","4","3","1") = "5"
    & skf21("4","6","3","2","6","4","4","1") = "5"
    & skf21("4","6","3","2","6","4","5","1") = "5"
    & skf21("4","6","3","2","6","4","6","1") = "5"
    & skf21("4","6","3","2","6","4","7","1") = "6"
    & skf21("4","6","3","2","6","5","1","1") = "5"
    & skf21("4","6","3","2","6","5","2","1") = "5"
    & skf21("4","6","3","2","6","5","3","1") = "5"
    & skf21("4","6","3","2","6","5","4","1") = "5"
    & skf21("4","6","3","2","6","5","5","1") = "5"
    & skf21("4","6","3","2","6","5","6","1") = "5"
    & skf21("4","6","3","2","6","5","7","1") = "6"
    & skf21("4","6","3","2","6","6","1","1") = "5"
    & skf21("4","6","3","2","6","6","2","1") = "5"
    & skf21("4","6","3","2","6","6","3","1") = "5"
    & skf21("4","6","3","2","6","6","4","1") = "5"
    & skf21("4","6","3","2","6","6","5","1") = "5"
    & skf21("4","6","3","2","6","6","6","1") = "5"
    & skf21("4","6","3","2","6","6","7","1") = "6"
    & skf21("4","6","3","2","6","7","1","1") = "6"
    & skf21("4","6","3","2","6","7","2","1") = "6"
    & skf21("4","6","3","2","6","7","3","1") = "6"
    & skf21("4","6","3","2","6","7","4","1") = "6"
    & skf21("4","6","3","2","6","7","5","1") = "6"
    & skf21("4","6","3","2","6","7","6","1") = "6"
    & skf21("4","6","3","2","6","7","7","1") = "6"
    & skf21("4","6","3","2","7","1","1","1") = "6"
    & skf21("4","6","3","2","7","1","2","1") = "6"
    & skf21("4","6","3","2","7","1","3","1") = "6"
    & skf21("4","6","3","2","7","1","4","1") = "6"
    & skf21("4","6","3","2","7","1","5","1") = "6"
    & skf21("4","6","3","2","7","1","6","1") = "6"
    & skf21("4","6","3","2","7","1","7","1") = "6"
    & skf21("4","6","3","2","7","2","1","1") = "6"
    & skf21("4","6","3","2","7","2","2","1") = "6"
    & skf21("4","6","3","2","7","2","3","1") = "6"
    & skf21("4","6","3","2","7","2","4","1") = "6"
    & skf21("4","6","3","2","7","2","5","1") = "6"
    & skf21("4","6","3","2","7","2","6","1") = "6"
    & skf21("4","6","3","2","7","2","7","1") = "6"
    & skf21("4","6","3","2","7","3","1","1") = "6"
    & skf21("4","6","3","2","7","3","2","1") = "6"
    & skf21("4","6","3","2","7","3","3","1") = "6"
    & skf21("4","6","3","2","7","3","4","1") = "6"
    & skf21("4","6","3","2","7","3","5","1") = "6"
    & skf21("4","6","3","2","7","3","6","1") = "6"
    & skf21("4","6","3","2","7","3","7","1") = "6"
    & skf21("4","6","3","2","7","4","1","1") = "6"
    & skf21("4","6","3","2","7","4","2","1") = "6"
    & skf21("4","6","3","2","7","4","3","1") = "6"
    & skf21("4","6","3","2","7","4","4","1") = "6"
    & skf21("4","6","3","2","7","4","5","1") = "6"
    & skf21("4","6","3","2","7","4","6","1") = "6"
    & skf21("4","6","3","2","7","4","7","1") = "6"
    & skf21("4","6","3","2","7","5","1","1") = "6"
    & skf21("4","6","3","2","7","5","2","1") = "6"
    & skf21("4","6","3","2","7","5","3","1") = "6"
    & skf21("4","6","3","2","7","5","4","1") = "6"
    & skf21("4","6","3","2","7","5","5","1") = "6"
    & skf21("4","6","3","2","7","5","6","1") = "6"
    & skf21("4","6","3","2","7","5","7","1") = "6"
    & skf21("4","6","3","2","7","6","1","1") = "6"
    & skf21("4","6","3","2","7","6","2","1") = "6"
    & skf21("4","6","3","2","7","6","3","1") = "6"
    & skf21("4","6","3","2","7","6","4","1") = "6"
    & skf21("4","6","3","2","7","6","5","1") = "6"
    & skf21("4","6","3","2","7","6","6","1") = "6"
    & skf21("4","6","3","2","7","6","7","1") = "6"
    & skf21("4","6","3","2","7","7","1","1") = "6"
    & skf21("4","6","3","2","7","7","2","1") = "6"
    & skf21("4","6","3","2","7","7","3","1") = "6"
    & skf21("4","6","3","2","7","7","4","1") = "6"
    & skf21("4","6","3","2","7","7","5","1") = "6"
    & skf21("4","6","3","2","7","7","6","1") = "6"
    & skf21("4","6","3","2","7","7","7","1") = "6"
    & skf21("4","6","3","3","1","1","1","1") = "5"
    & skf21("4","6","3","3","1","1","2","1") = "5"
    & skf21("4","6","3","3","1","1","3","1") = "5"
    & skf21("4","6","3","3","1","1","4","1") = "5"
    & skf21("4","6","3","3","1","1","5","1") = "5"
    & skf21("4","6","3","3","1","1","6","1") = "5"
    & skf21("4","6","3","3","1","1","7","1") = "6"
    & skf21("4","6","3","3","1","2","1","1") = "5"
    & skf21("4","6","3","3","1","2","2","1") = "5"
    & skf21("4","6","3","3","1","2","3","1") = "5"
    & skf21("4","6","3","3","1","2","4","1") = "5"
    & skf21("4","6","3","3","1","2","5","1") = "5"
    & skf21("4","6","3","3","1","2","6","1") = "5"
    & skf21("4","6","3","3","1","2","7","1") = "6"
    & skf21("4","6","3","3","1","3","1","1") = "5"
    & skf21("4","6","3","3","1","3","2","1") = "5"
    & skf21("4","6","3","3","1","3","3","1") = "5"
    & skf21("4","6","3","3","1","3","4","1") = "5"
    & skf21("4","6","3","3","1","3","5","1") = "5"
    & skf21("4","6","3","3","1","3","6","1") = "5"
    & skf21("4","6","3","3","1","3","7","1") = "6"
    & skf21("4","6","3","3","1","4","1","1") = "5"
    & skf21("4","6","3","3","1","4","2","1") = "5"
    & skf21("4","6","3","3","1","4","3","1") = "5"
    & skf21("4","6","3","3","1","4","4","1") = "5"
    & skf21("4","6","3","3","1","4","5","1") = "5"
    & skf21("4","6","3","3","1","4","6","1") = "5"
    & skf21("4","6","3","3","1","4","7","1") = "6"
    & skf21("4","6","3","3","1","5","1","1") = "5"
    & skf21("4","6","3","3","1","5","2","1") = "5"
    & skf21("4","6","3","3","1","5","3","1") = "5"
    & skf21("4","6","3","3","1","5","4","1") = "5"
    & skf21("4","6","3","3","1","5","5","1") = "5"
    & skf21("4","6","3","3","1","5","6","1") = "5"
    & skf21("4","6","3","3","1","5","7","1") = "6"
    & skf21("4","6","3","3","1","6","1","1") = "5"
    & skf21("4","6","3","3","1","6","2","1") = "5"
    & skf21("4","6","3","3","1","6","3","1") = "5"
    & skf21("4","6","3","3","1","6","4","1") = "5"
    & skf21("4","6","3","3","1","6","5","1") = "5"
    & skf21("4","6","3","3","1","6","6","1") = "5"
    & skf21("4","6","3","3","1","6","7","1") = "6"
    & skf21("4","6","3","3","1","7","1","1") = "6"
    & skf21("4","6","3","3","1","7","2","1") = "6"
    & skf21("4","6","3","3","1","7","3","1") = "6"
    & skf21("4","6","3","3","1","7","4","1") = "6"
    & skf21("4","6","3","3","1","7","5","1") = "6"
    & skf21("4","6","3","3","1","7","6","1") = "6"
    & skf21("4","6","3","3","1","7","7","1") = "6"
    & skf21("4","6","3","3","2","1","1","1") = "5"
    & skf21("4","6","3","3","2","1","2","1") = "5"
    & skf21("4","6","3","3","2","1","3","1") = "5"
    & skf21("4","6","3","3","2","1","4","1") = "5"
    & skf21("4","6","3","3","2","1","5","1") = "5"
    & skf21("4","6","3","3","2","1","6","1") = "5"
    & skf21("4","6","3","3","2","1","7","1") = "6"
    & skf21("4","6","3","3","2","2","1","1") = "5"
    & skf21("4","6","3","3","2","2","2","1") = "5"
    & skf21("4","6","3","3","2","2","3","1") = "5"
    & skf21("4","6","3","3","2","2","4","1") = "5"
    & skf21("4","6","3","3","2","2","5","1") = "5"
    & skf21("4","6","3","3","2","2","6","1") = "5"
    & skf21("4","6","3","3","2","2","7","1") = "6"
    & skf21("4","6","3","3","2","3","1","1") = "5"
    & skf21("4","6","3","3","2","3","2","1") = "5"
    & skf21("4","6","3","3","2","3","3","1") = "5"
    & skf21("4","6","3","3","2","3","4","1") = "5"
    & skf21("4","6","3","3","2","3","5","1") = "5"
    & skf21("4","6","3","3","2","3","6","1") = "5"
    & skf21("4","6","3","3","2","3","7","1") = "6"
    & skf21("4","6","3","3","2","4","1","1") = "5"
    & skf21("4","6","3","3","2","4","2","1") = "5"
    & skf21("4","6","3","3","2","4","3","1") = "5"
    & skf21("4","6","3","3","2","4","4","1") = "5"
    & skf21("4","6","3","3","2","4","5","1") = "5"
    & skf21("4","6","3","3","2","4","6","1") = "5"
    & skf21("4","6","3","3","2","4","7","1") = "6"
    & skf21("4","6","3","3","2","5","1","1") = "5"
    & skf21("4","6","3","3","2","5","2","1") = "5"
    & skf21("4","6","3","3","2","5","3","1") = "5"
    & skf21("4","6","3","3","2","5","4","1") = "5"
    & skf21("4","6","3","3","2","5","5","1") = "5"
    & skf21("4","6","3","3","2","5","6","1") = "5"
    & skf21("4","6","3","3","2","5","7","1") = "6"
    & skf21("4","6","3","3","2","6","1","1") = "5"
    & skf21("4","6","3","3","2","6","2","1") = "5"
    & skf21("4","6","3","3","2","6","3","1") = "5"
    & skf21("4","6","3","3","2","6","4","1") = "5"
    & skf21("4","6","3","3","2","6","5","1") = "5"
    & skf21("4","6","3","3","2","6","6","1") = "5"
    & skf21("4","6","3","3","2","6","7","1") = "6"
    & skf21("4","6","3","3","2","7","1","1") = "6"
    & skf21("4","6","3","3","2","7","2","1") = "6"
    & skf21("4","6","3","3","2","7","3","1") = "6"
    & skf21("4","6","3","3","2","7","4","1") = "6"
    & skf21("4","6","3","3","2","7","5","1") = "6"
    & skf21("4","6","3","3","2","7","6","1") = "6"
    & skf21("4","6","3","3","2","7","7","1") = "6"
    & skf21("4","6","3","3","3","1","1","1") = "5"
    & skf21("4","6","3","3","3","1","2","1") = "5"
    & skf21("4","6","3","3","3","1","3","1") = "5"
    & skf21("4","6","3","3","3","1","4","1") = "5"
    & skf21("4","6","3","3","3","1","5","1") = "5"
    & skf21("4","6","3","3","3","1","6","1") = "5"
    & skf21("4","6","3","3","3","1","7","1") = "6"
    & skf21("4","6","3","3","3","2","1","1") = "5"
    & skf21("4","6","3","3","3","2","2","1") = "5"
    & skf21("4","6","3","3","3","2","3","1") = "5"
    & skf21("4","6","3","3","3","2","4","1") = "5"
    & skf21("4","6","3","3","3","2","5","1") = "5"
    & skf21("4","6","3","3","3","2","6","1") = "5"
    & skf21("4","6","3","3","3","2","7","1") = "6"
    & skf21("4","6","3","3","3","3","1","1") = "5"
    & skf21("4","6","3","3","3","3","2","1") = "5"
    & skf21("4","6","3","3","3","3","3","1") = "5"
    & skf21("4","6","3","3","3","3","4","1") = "5"
    & skf21("4","6","3","3","3","3","5","1") = "5"
    & skf21("4","6","3","3","3","3","6","1") = "5"
    & skf21("4","6","3","3","3","3","7","1") = "6"
    & skf21("4","6","3","3","3","4","1","1") = "5"
    & skf21("4","6","3","3","3","4","2","1") = "5"
    & skf21("4","6","3","3","3","4","3","1") = "5"
    & skf21("4","6","3","3","3","4","4","1") = "5"
    & skf21("4","6","3","3","3","4","5","1") = "5"
    & skf21("4","6","3","3","3","4","6","1") = "5"
    & skf21("4","6","3","3","3","4","7","1") = "6"
    & skf21("4","6","3","3","3","5","1","1") = "5"
    & skf21("4","6","3","3","3","5","2","1") = "5"
    & skf21("4","6","3","3","3","5","3","1") = "5"
    & skf21("4","6","3","3","3","5","4","1") = "5"
    & skf21("4","6","3","3","3","5","5","1") = "5"
    & skf21("4","6","3","3","3","5","6","1") = "5"
    & skf21("4","6","3","3","3","5","7","1") = "6"
    & skf21("4","6","3","3","3","6","1","1") = "5"
    & skf21("4","6","3","3","3","6","2","1") = "5"
    & skf21("4","6","3","3","3","6","3","1") = "5"
    & skf21("4","6","3","3","3","6","4","1") = "5"
    & skf21("4","6","3","3","3","6","5","1") = "5"
    & skf21("4","6","3","3","3","6","6","1") = "5"
    & skf21("4","6","3","3","3","6","7","1") = "6"
    & skf21("4","6","3","3","3","7","1","1") = "6"
    & skf21("4","6","3","3","3","7","2","1") = "6"
    & skf21("4","6","3","3","3","7","3","1") = "6"
    & skf21("4","6","3","3","3","7","4","1") = "6"
    & skf21("4","6","3","3","3","7","5","1") = "6"
    & skf21("4","6","3","3","3","7","6","1") = "6"
    & skf21("4","6","3","3","3","7","7","1") = "6"
    & skf21("4","6","3","3","4","1","1","1") = "5"
    & skf21("4","6","3","3","4","1","2","1") = "5"
    & skf21("4","6","3","3","4","1","3","1") = "5"
    & skf21("4","6","3","3","4","1","4","1") = "5"
    & skf21("4","6","3","3","4","1","5","1") = "5"
    & skf21("4","6","3","3","4","1","6","1") = "5"
    & skf21("4","6","3","3","4","1","7","1") = "6"
    & skf21("4","6","3","3","4","2","1","1") = "5"
    & skf21("4","6","3","3","4","2","2","1") = "5"
    & skf21("4","6","3","3","4","2","3","1") = "5"
    & skf21("4","6","3","3","4","2","4","1") = "5"
    & skf21("4","6","3","3","4","2","5","1") = "5"
    & skf21("4","6","3","3","4","2","6","1") = "5"
    & skf21("4","6","3","3","4","2","7","1") = "6"
    & skf21("4","6","3","3","4","3","1","1") = "5"
    & skf21("4","6","3","3","4","3","2","1") = "5"
    & skf21("4","6","3","3","4","3","3","1") = "5"
    & skf21("4","6","3","3","4","3","4","1") = "5"
    & skf21("4","6","3","3","4","3","5","1") = "5"
    & skf21("4","6","3","3","4","3","6","1") = "5"
    & skf21("4","6","3","3","4","3","7","1") = "6"
    & skf21("4","6","3","3","4","4","1","1") = "5"
    & skf21("4","6","3","3","4","4","2","1") = "5"
    & skf21("4","6","3","3","4","4","3","1") = "5"
    & skf21("4","6","3","3","4","4","4","1") = "5"
    & skf21("4","6","3","3","4","4","5","1") = "5"
    & skf21("4","6","3","3","4","4","6","1") = "5"
    & skf21("4","6","3","3","4","4","7","1") = "6"
    & skf21("4","6","3","3","4","5","1","1") = "5"
    & skf21("4","6","3","3","4","5","2","1") = "5"
    & skf21("4","6","3","3","4","5","3","1") = "5"
    & skf21("4","6","3","3","4","5","4","1") = "5"
    & skf21("4","6","3","3","4","5","5","1") = "5"
    & skf21("4","6","3","3","4","5","6","1") = "5"
    & skf21("4","6","3","3","4","5","7","1") = "6"
    & skf21("4","6","3","3","4","6","1","1") = "5"
    & skf21("4","6","3","3","4","6","2","1") = "5"
    & skf21("4","6","3","3","4","6","3","1") = "5"
    & skf21("4","6","3","3","4","6","4","1") = "5"
    & skf21("4","6","3","3","4","6","5","1") = "5"
    & skf21("4","6","3","3","4","6","6","1") = "5"
    & skf21("4","6","3","3","4","6","7","1") = "6"
    & skf21("4","6","3","3","4","7","1","1") = "6"
    & skf21("4","6","3","3","4","7","2","1") = "6"
    & skf21("4","6","3","3","4","7","3","1") = "6"
    & skf21("4","6","3","3","4","7","4","1") = "6"
    & skf21("4","6","3","3","4","7","5","1") = "6"
    & skf21("4","6","3","3","4","7","6","1") = "6"
    & skf21("4","6","3","3","4","7","7","1") = "6"
    & skf21("4","6","3","3","5","1","1","1") = "5"
    & skf21("4","6","3","3","5","1","2","1") = "5"
    & skf21("4","6","3","3","5","1","3","1") = "5"
    & skf21("4","6","3","3","5","1","4","1") = "5"
    & skf21("4","6","3","3","5","1","5","1") = "5"
    & skf21("4","6","3","3","5","1","6","1") = "5"
    & skf21("4","6","3","3","5","1","7","1") = "6"
    & skf21("4","6","3","3","5","2","1","1") = "5"
    & skf21("4","6","3","3","5","2","2","1") = "5"
    & skf21("4","6","3","3","5","2","3","1") = "5"
    & skf21("4","6","3","3","5","2","4","1") = "5"
    & skf21("4","6","3","3","5","2","5","1") = "5"
    & skf21("4","6","3","3","5","2","6","1") = "5"
    & skf21("4","6","3","3","5","2","7","1") = "6"
    & skf21("4","6","3","3","5","3","1","1") = "5"
    & skf21("4","6","3","3","5","3","2","1") = "5"
    & skf21("4","6","3","3","5","3","3","1") = "5"
    & skf21("4","6","3","3","5","3","4","1") = "5"
    & skf21("4","6","3","3","5","3","5","1") = "5"
    & skf21("4","6","3","3","5","3","6","1") = "5"
    & skf21("4","6","3","3","5","3","7","1") = "6"
    & skf21("4","6","3","3","5","4","1","1") = "5"
    & skf21("4","6","3","3","5","4","2","1") = "5"
    & skf21("4","6","3","3","5","4","3","1") = "5"
    & skf21("4","6","3","3","5","4","4","1") = "5"
    & skf21("4","6","3","3","5","4","5","1") = "5"
    & skf21("4","6","3","3","5","4","6","1") = "5"
    & skf21("4","6","3","3","5","4","7","1") = "6"
    & skf21("4","6","3","3","5","5","1","1") = "5"
    & skf21("4","6","3","3","5","5","2","1") = "5"
    & skf21("4","6","3","3","5","5","3","1") = "5"
    & skf21("4","6","3","3","5","5","4","1") = "5"
    & skf21("4","6","3","3","5","5","5","1") = "5"
    & skf21("4","6","3","3","5","5","6","1") = "5"
    & skf21("4","6","3","3","5","5","7","1") = "6"
    & skf21("4","6","3","3","5","6","1","1") = "5"
    & skf21("4","6","3","3","5","6","2","1") = "5"
    & skf21("4","6","3","3","5","6","3","1") = "5"
    & skf21("4","6","3","3","5","6","4","1") = "5"
    & skf21("4","6","3","3","5","6","5","1") = "5"
    & skf21("4","6","3","3","5","6","6","1") = "5"
    & skf21("4","6","3","3","5","6","7","1") = "6"
    & skf21("4","6","3","3","5","7","1","1") = "6"
    & skf21("4","6","3","3","5","7","2","1") = "6"
    & skf21("4","6","3","3","5","7","3","1") = "6"
    & skf21("4","6","3","3","5","7","4","1") = "6"
    & skf21("4","6","3","3","5","7","5","1") = "6"
    & skf21("4","6","3","3","5","7","6","1") = "6"
    & skf21("4","6","3","3","5","7","7","1") = "6"
    & skf21("4","6","3","3","6","1","1","1") = "5"
    & skf21("4","6","3","3","6","1","2","1") = "5"
    & skf21("4","6","3","3","6","1","3","1") = "5"
    & skf21("4","6","3","3","6","1","4","1") = "5"
    & skf21("4","6","3","3","6","1","5","1") = "5"
    & skf21("4","6","3","3","6","1","6","1") = "5"
    & skf21("4","6","3","3","6","1","7","1") = "6"
    & skf21("4","6","3","3","6","2","1","1") = "5"
    & skf21("4","6","3","3","6","2","2","1") = "5"
    & skf21("4","6","3","3","6","2","3","1") = "5"
    & skf21("4","6","3","3","6","2","4","1") = "5"
    & skf21("4","6","3","3","6","2","5","1") = "5"
    & skf21("4","6","3","3","6","2","6","1") = "5"
    & skf21("4","6","3","3","6","2","7","1") = "6"
    & skf21("4","6","3","3","6","3","1","1") = "5"
    & skf21("4","6","3","3","6","3","2","1") = "5"
    & skf21("4","6","3","3","6","3","3","1") = "5"
    & skf21("4","6","3","3","6","3","4","1") = "5"
    & skf21("4","6","3","3","6","3","5","1") = "5"
    & skf21("4","6","3","3","6","3","6","1") = "5"
    & skf21("4","6","3","3","6","3","7","1") = "6"
    & skf21("4","6","3","3","6","4","1","1") = "5"
    & skf21("4","6","3","3","6","4","2","1") = "5"
    & skf21("4","6","3","3","6","4","3","1") = "5"
    & skf21("4","6","3","3","6","4","4","1") = "5"
    & skf21("4","6","3","3","6","4","5","1") = "5"
    & skf21("4","6","3","3","6","4","6","1") = "5"
    & skf21("4","6","3","3","6","4","7","1") = "6"
    & skf21("4","6","3","3","6","5","1","1") = "5"
    & skf21("4","6","3","3","6","5","2","1") = "5"
    & skf21("4","6","3","3","6","5","3","1") = "5"
    & skf21("4","6","3","3","6","5","4","1") = "5"
    & skf21("4","6","3","3","6","5","5","1") = "5"
    & skf21("4","6","3","3","6","5","6","1") = "5"
    & skf21("4","6","3","3","6","5","7","1") = "6"
    & skf21("4","6","3","3","6","6","1","1") = "5"
    & skf21("4","6","3","3","6","6","2","1") = "5"
    & skf21("4","6","3","3","6","6","3","1") = "5"
    & skf21("4","6","3","3","6","6","4","1") = "5"
    & skf21("4","6","3","3","6","6","5","1") = "5"
    & skf21("4","6","3","3","6","6","6","1") = "5"
    & skf21("4","6","3","3","6","6","7","1") = "6"
    & skf21("4","6","3","3","6","7","1","1") = "6"
    & skf21("4","6","3","3","6","7","2","1") = "6"
    & skf21("4","6","3","3","6","7","3","1") = "6"
    & skf21("4","6","3","3","6","7","4","1") = "6"
    & skf21("4","6","3","3","6","7","5","1") = "6"
    & skf21("4","6","3","3","6","7","6","1") = "6"
    & skf21("4","6","3","3","6","7","7","1") = "6"
    & skf21("4","6","3","3","7","1","1","1") = "6"
    & skf21("4","6","3","3","7","1","2","1") = "6"
    & skf21("4","6","3","3","7","1","3","1") = "6"
    & skf21("4","6","3","3","7","1","4","1") = "6"
    & skf21("4","6","3","3","7","1","5","1") = "6"
    & skf21("4","6","3","3","7","1","6","1") = "6"
    & skf21("4","6","3","3","7","1","7","1") = "6"
    & skf21("4","6","3","3","7","2","1","1") = "6"
    & skf21("4","6","3","3","7","2","2","1") = "6"
    & skf21("4","6","3","3","7","2","3","1") = "6"
    & skf21("4","6","3","3","7","2","4","1") = "6"
    & skf21("4","6","3","3","7","2","5","1") = "6"
    & skf21("4","6","3","3","7","2","6","1") = "6"
    & skf21("4","6","3","3","7","2","7","1") = "6"
    & skf21("4","6","3","3","7","3","1","1") = "6"
    & skf21("4","6","3","3","7","3","2","1") = "6"
    & skf21("4","6","3","3","7","3","3","1") = "6"
    & skf21("4","6","3","3","7","3","4","1") = "6"
    & skf21("4","6","3","3","7","3","5","1") = "6"
    & skf21("4","6","3","3","7","3","6","1") = "6"
    & skf21("4","6","3","3","7","3","7","1") = "6"
    & skf21("4","6","3","3","7","4","1","1") = "6"
    & skf21("4","6","3","3","7","4","2","1") = "6"
    & skf21("4","6","3","3","7","4","3","1") = "6"
    & skf21("4","6","3","3","7","4","4","1") = "6"
    & skf21("4","6","3","3","7","4","5","1") = "6"
    & skf21("4","6","3","3","7","4","6","1") = "6"
    & skf21("4","6","3","3","7","4","7","1") = "6"
    & skf21("4","6","3","3","7","5","1","1") = "6"
    & skf21("4","6","3","3","7","5","2","1") = "6"
    & skf21("4","6","3","3","7","5","3","1") = "6"
    & skf21("4","6","3","3","7","5","4","1") = "6"
    & skf21("4","6","3","3","7","5","5","1") = "6"
    & skf21("4","6","3","3","7","5","6","1") = "6"
    & skf21("4","6","3","3","7","5","7","1") = "6"
    & skf21("4","6","3","3","7","6","1","1") = "6"
    & skf21("4","6","3","3","7","6","2","1") = "6"
    & skf21("4","6","3","3","7","6","3","1") = "6"
    & skf21("4","6","3","3","7","6","4","1") = "6"
    & skf21("4","6","3","3","7","6","5","1") = "6"
    & skf21("4","6","3","3","7","6","6","1") = "6"
    & skf21("4","6","3","3","7","6","7","1") = "6"
    & skf21("4","6","3","3","7","7","1","1") = "6"
    & skf21("4","6","3","3","7","7","2","1") = "6"
    & skf21("4","6","3","3","7","7","3","1") = "6"
    & skf21("4","6","3","3","7","7","4","1") = "6"
    & skf21("4","6","3","3","7","7","5","1") = "6"
    & skf21("4","6","3","3","7","7","6","1") = "6"
    & skf21("4","6","3","3","7","7","7","1") = "6"
    & skf21("4","6","3","4","1","1","1","1") = "5"
    & skf21("4","6","3","4","1","1","2","1") = "5"
    & skf21("4","6","3","4","1","1","3","1") = "5"
    & skf21("4","6","3","4","1","1","4","1") = "5"
    & skf21("4","6","3","4","1","1","5","1") = "5"
    & skf21("4","6","3","4","1","1","6","1") = "5"
    & skf21("4","6","3","4","1","1","7","1") = "6"
    & skf21("4","6","3","4","1","2","1","1") = "5"
    & skf21("4","6","3","4","1","2","2","1") = "5"
    & skf21("4","6","3","4","1","2","3","1") = "5"
    & skf21("4","6","3","4","1","2","4","1") = "5"
    & skf21("4","6","3","4","1","2","5","1") = "5"
    & skf21("4","6","3","4","1","2","6","1") = "5"
    & skf21("4","6","3","4","1","2","7","1") = "6"
    & skf21("4","6","3","4","1","3","1","1") = "5"
    & skf21("4","6","3","4","1","3","2","1") = "5"
    & skf21("4","6","3","4","1","3","3","1") = "5"
    & skf21("4","6","3","4","1","3","4","1") = "5"
    & skf21("4","6","3","4","1","3","5","1") = "5"
    & skf21("4","6","3","4","1","3","6","1") = "5"
    & skf21("4","6","3","4","1","3","7","1") = "6"
    & skf21("4","6","3","4","1","4","1","1") = "5"
    & skf21("4","6","3","4","1","4","2","1") = "5"
    & skf21("4","6","3","4","1","4","3","1") = "5"
    & skf21("4","6","3","4","1","4","4","1") = "5"
    & skf21("4","6","3","4","1","4","5","1") = "5"
    & skf21("4","6","3","4","1","4","6","1") = "5"
    & skf21("4","6","3","4","1","4","7","1") = "6"
    & skf21("4","6","3","4","1","5","1","1") = "5"
    & skf21("4","6","3","4","1","5","2","1") = "5"
    & skf21("4","6","3","4","1","5","3","1") = "5"
    & skf21("4","6","3","4","1","5","4","1") = "5"
    & skf21("4","6","3","4","1","5","5","1") = "5"
    & skf21("4","6","3","4","1","5","6","1") = "5"
    & skf21("4","6","3","4","1","5","7","1") = "6"
    & skf21("4","6","3","4","1","6","1","1") = "5"
    & skf21("4","6","3","4","1","6","2","1") = "5"
    & skf21("4","6","3","4","1","6","3","1") = "5"
    & skf21("4","6","3","4","1","6","4","1") = "5"
    & skf21("4","6","3","4","1","6","5","1") = "5"
    & skf21("4","6","3","4","1","6","6","1") = "5"
    & skf21("4","6","3","4","1","6","7","1") = "6"
    & skf21("4","6","3","4","1","7","1","1") = "6"
    & skf21("4","6","3","4","1","7","2","1") = "6"
    & skf21("4","6","3","4","1","7","3","1") = "6"
    & skf21("4","6","3","4","1","7","4","1") = "6"
    & skf21("4","6","3","4","1","7","5","1") = "6"
    & skf21("4","6","3","4","1","7","6","1") = "6"
    & skf21("4","6","3","4","1","7","7","1") = "6"
    & skf21("4","6","3","4","2","1","1","1") = "5"
    & skf21("4","6","3","4","2","1","2","1") = "5"
    & skf21("4","6","3","4","2","1","3","1") = "5"
    & skf21("4","6","3","4","2","1","4","1") = "5"
    & skf21("4","6","3","4","2","1","5","1") = "5"
    & skf21("4","6","3","4","2","1","6","1") = "5"
    & skf21("4","6","3","4","2","1","7","1") = "6"
    & skf21("4","6","3","4","2","2","1","1") = "5"
    & skf21("4","6","3","4","2","2","2","1") = "5"
    & skf21("4","6","3","4","2","2","3","1") = "5"
    & skf21("4","6","3","4","2","2","4","1") = "5"
    & skf21("4","6","3","4","2","2","5","1") = "5"
    & skf21("4","6","3","4","2","2","6","1") = "5"
    & skf21("4","6","3","4","2","2","7","1") = "6"
    & skf21("4","6","3","4","2","3","1","1") = "5"
    & skf21("4","6","3","4","2","3","2","1") = "5"
    & skf21("4","6","3","4","2","3","3","1") = "5"
    & skf21("4","6","3","4","2","3","4","1") = "5"
    & skf21("4","6","3","4","2","3","5","1") = "5"
    & skf21("4","6","3","4","2","3","6","1") = "5"
    & skf21("4","6","3","4","2","3","7","1") = "6"
    & skf21("4","6","3","4","2","4","1","1") = "5"
    & skf21("4","6","3","4","2","4","2","1") = "5"
    & skf21("4","6","3","4","2","4","3","1") = "5"
    & skf21("4","6","3","4","2","4","4","1") = "5"
    & skf21("4","6","3","4","2","4","5","1") = "5"
    & skf21("4","6","3","4","2","4","6","1") = "5"
    & skf21("4","6","3","4","2","4","7","1") = "6"
    & skf21("4","6","3","4","2","5","1","1") = "5"
    & skf21("4","6","3","4","2","5","2","1") = "5"
    & skf21("4","6","3","4","2","5","3","1") = "5"
    & skf21("4","6","3","4","2","5","4","1") = "5"
    & skf21("4","6","3","4","2","5","5","1") = "5"
    & skf21("4","6","3","4","2","5","6","1") = "5"
    & skf21("4","6","3","4","2","5","7","1") = "6"
    & skf21("4","6","3","4","2","6","1","1") = "5"
    & skf21("4","6","3","4","2","6","2","1") = "5"
    & skf21("4","6","3","4","2","6","3","1") = "5"
    & skf21("4","6","3","4","2","6","4","1") = "5"
    & skf21("4","6","3","4","2","6","5","1") = "5"
    & skf21("4","6","3","4","2","6","6","1") = "5"
    & skf21("4","6","3","4","2","6","7","1") = "6"
    & skf21("4","6","3","4","2","7","1","1") = "6"
    & skf21("4","6","3","4","2","7","2","1") = "6"
    & skf21("4","6","3","4","2","7","3","1") = "6"
    & skf21("4","6","3","4","2","7","4","1") = "6"
    & skf21("4","6","3","4","2","7","5","1") = "6"
    & skf21("4","6","3","4","2","7","6","1") = "6"
    & skf21("4","6","3","4","2","7","7","1") = "6"
    & skf21("4","6","3","4","3","1","1","1") = "5"
    & skf21("4","6","3","4","3","1","2","1") = "5"
    & skf21("4","6","3","4","3","1","3","1") = "5"
    & skf21("4","6","3","4","3","1","4","1") = "5"
    & skf21("4","6","3","4","3","1","5","1") = "5"
    & skf21("4","6","3","4","3","1","6","1") = "5"
    & skf21("4","6","3","4","3","1","7","1") = "6"
    & skf21("4","6","3","4","3","2","1","1") = "5"
    & skf21("4","6","3","4","3","2","2","1") = "5"
    & skf21("4","6","3","4","3","2","3","1") = "5"
    & skf21("4","6","3","4","3","2","4","1") = "5"
    & skf21("4","6","3","4","3","2","5","1") = "5"
    & skf21("4","6","3","4","3","2","6","1") = "5"
    & skf21("4","6","3","4","3","2","7","1") = "6"
    & skf21("4","6","3","4","3","3","1","1") = "5"
    & skf21("4","6","3","4","3","3","2","1") = "5"
    & skf21("4","6","3","4","3","3","3","1") = "5"
    & skf21("4","6","3","4","3","3","4","1") = "5"
    & skf21("4","6","3","4","3","3","5","1") = "5"
    & skf21("4","6","3","4","3","3","6","1") = "5"
    & skf21("4","6","3","4","3","3","7","1") = "6"
    & skf21("4","6","3","4","3","4","1","1") = "5"
    & skf21("4","6","3","4","3","4","2","1") = "5"
    & skf21("4","6","3","4","3","4","3","1") = "5"
    & skf21("4","6","3","4","3","4","4","1") = "5"
    & skf21("4","6","3","4","3","4","5","1") = "5"
    & skf21("4","6","3","4","3","4","6","1") = "5"
    & skf21("4","6","3","4","3","4","7","1") = "6"
    & skf21("4","6","3","4","3","5","1","1") = "5"
    & skf21("4","6","3","4","3","5","2","1") = "5"
    & skf21("4","6","3","4","3","5","3","1") = "5"
    & skf21("4","6","3","4","3","5","4","1") = "5"
    & skf21("4","6","3","4","3","5","5","1") = "5"
    & skf21("4","6","3","4","3","5","6","1") = "5"
    & skf21("4","6","3","4","3","5","7","1") = "6"
    & skf21("4","6","3","4","3","6","1","1") = "5"
    & skf21("4","6","3","4","3","6","2","1") = "5"
    & skf21("4","6","3","4","3","6","3","1") = "5"
    & skf21("4","6","3","4","3","6","4","1") = "5"
    & skf21("4","6","3","4","3","6","5","1") = "5"
    & skf21("4","6","3","4","3","6","6","1") = "5"
    & skf21("4","6","3","4","3","6","7","1") = "6"
    & skf21("4","6","3","4","3","7","1","1") = "6"
    & skf21("4","6","3","4","3","7","2","1") = "6"
    & skf21("4","6","3","4","3","7","3","1") = "6"
    & skf21("4","6","3","4","3","7","4","1") = "6"
    & skf21("4","6","3","4","3","7","5","1") = "6"
    & skf21("4","6","3","4","3","7","6","1") = "6"
    & skf21("4","6","3","4","3","7","7","1") = "6"
    & skf21("4","6","3","4","4","1","1","1") = "5"
    & skf21("4","6","3","4","4","1","2","1") = "5"
    & skf21("4","6","3","4","4","1","3","1") = "5"
    & skf21("4","6","3","4","4","1","4","1") = "5"
    & skf21("4","6","3","4","4","1","5","1") = "5"
    & skf21("4","6","3","4","4","1","6","1") = "5"
    & skf21("4","6","3","4","4","1","7","1") = "6"
    & skf21("4","6","3","4","4","2","1","1") = "5"
    & skf21("4","6","3","4","4","2","2","1") = "5"
    & skf21("4","6","3","4","4","2","3","1") = "5"
    & skf21("4","6","3","4","4","2","4","1") = "5"
    & skf21("4","6","3","4","4","2","5","1") = "5"
    & skf21("4","6","3","4","4","2","6","1") = "5"
    & skf21("4","6","3","4","4","2","7","1") = "6"
    & skf21("4","6","3","4","4","3","1","1") = "5"
    & skf21("4","6","3","4","4","3","2","1") = "5"
    & skf21("4","6","3","4","4","3","3","1") = "5"
    & skf21("4","6","3","4","4","3","4","1") = "5"
    & skf21("4","6","3","4","4","3","5","1") = "5"
    & skf21("4","6","3","4","4","3","6","1") = "5"
    & skf21("4","6","3","4","4","3","7","1") = "6"
    & skf21("4","6","3","4","4","4","1","1") = "5"
    & skf21("4","6","3","4","4","4","2","1") = "5"
    & skf21("4","6","3","4","4","4","3","1") = "5"
    & skf21("4","6","3","4","4","4","4","1") = "5"
    & skf21("4","6","3","4","4","4","5","1") = "5"
    & skf21("4","6","3","4","4","4","6","1") = "5"
    & skf21("4","6","3","4","4","4","7","1") = "6"
    & skf21("4","6","3","4","4","5","1","1") = "5"
    & skf21("4","6","3","4","4","5","2","1") = "5"
    & skf21("4","6","3","4","4","5","3","1") = "5"
    & skf21("4","6","3","4","4","5","4","1") = "5"
    & skf21("4","6","3","4","4","5","5","1") = "5"
    & skf21("4","6","3","4","4","5","6","1") = "5"
    & skf21("4","6","3","4","4","5","7","1") = "6"
    & skf21("4","6","3","4","4","6","1","1") = "5"
    & skf21("4","6","3","4","4","6","2","1") = "5"
    & skf21("4","6","3","4","4","6","3","1") = "5"
    & skf21("4","6","3","4","4","6","4","1") = "5"
    & skf21("4","6","3","4","4","6","5","1") = "5"
    & skf21("4","6","3","4","4","6","6","1") = "5"
    & skf21("4","6","3","4","4","6","7","1") = "6"
    & skf21("4","6","3","4","4","7","1","1") = "6"
    & skf21("4","6","3","4","4","7","2","1") = "6"
    & skf21("4","6","3","4","4","7","3","1") = "6"
    & skf21("4","6","3","4","4","7","4","1") = "6"
    & skf21("4","6","3","4","4","7","5","1") = "6"
    & skf21("4","6","3","4","4","7","6","1") = "6"
    & skf21("4","6","3","4","4","7","7","1") = "6"
    & skf21("4","6","3","4","5","1","1","1") = "5"
    & skf21("4","6","3","4","5","1","2","1") = "5"
    & skf21("4","6","3","4","5","1","3","1") = "5"
    & skf21("4","6","3","4","5","1","4","1") = "5"
    & skf21("4","6","3","4","5","1","5","1") = "5"
    & skf21("4","6","3","4","5","1","6","1") = "5"
    & skf21("4","6","3","4","5","1","7","1") = "6"
    & skf21("4","6","3","4","5","2","1","1") = "5"
    & skf21("4","6","3","4","5","2","2","1") = "5"
    & skf21("4","6","3","4","5","2","3","1") = "5"
    & skf21("4","6","3","4","5","2","4","1") = "5"
    & skf21("4","6","3","4","5","2","5","1") = "5"
    & skf21("4","6","3","4","5","2","6","1") = "5"
    & skf21("4","6","3","4","5","2","7","1") = "6"
    & skf21("4","6","3","4","5","3","1","1") = "5"
    & skf21("4","6","3","4","5","3","2","1") = "5"
    & skf21("4","6","3","4","5","3","3","1") = "5"
    & skf21("4","6","3","4","5","3","4","1") = "5"
    & skf21("4","6","3","4","5","3","5","1") = "5"
    & skf21("4","6","3","4","5","3","6","1") = "5"
    & skf21("4","6","3","4","5","3","7","1") = "6"
    & skf21("4","6","3","4","5","4","1","1") = "5"
    & skf21("4","6","3","4","5","4","2","1") = "5"
    & skf21("4","6","3","4","5","4","3","1") = "5"
    & skf21("4","6","3","4","5","4","4","1") = "5"
    & skf21("4","6","3","4","5","4","5","1") = "5"
    & skf21("4","6","3","4","5","4","6","1") = "5"
    & skf21("4","6","3","4","5","4","7","1") = "6"
    & skf21("4","6","3","4","5","5","1","1") = "5"
    & skf21("4","6","3","4","5","5","2","1") = "5"
    & skf21("4","6","3","4","5","5","3","1") = "5"
    & skf21("4","6","3","4","5","5","4","1") = "5"
    & skf21("4","6","3","4","5","5","5","1") = "5"
    & skf21("4","6","3","4","5","5","6","1") = "5"
    & skf21("4","6","3","4","5","5","7","1") = "6"
    & skf21("4","6","3","4","5","6","1","1") = "5"
    & skf21("4","6","3","4","5","6","2","1") = "5"
    & skf21("4","6","3","4","5","6","3","1") = "5"
    & skf21("4","6","3","4","5","6","4","1") = "5"
    & skf21("4","6","3","4","5","6","5","1") = "5"
    & skf21("4","6","3","4","5","6","6","1") = "5"
    & skf21("4","6","3","4","5","6","7","1") = "6"
    & skf21("4","6","3","4","5","7","1","1") = "6"
    & skf21("4","6","3","4","5","7","2","1") = "6"
    & skf21("4","6","3","4","5","7","3","1") = "6"
    & skf21("4","6","3","4","5","7","4","1") = "6"
    & skf21("4","6","3","4","5","7","5","1") = "6"
    & skf21("4","6","3","4","5","7","6","1") = "6"
    & skf21("4","6","3","4","5","7","7","1") = "6"
    & skf21("4","6","3","4","6","1","1","1") = "5"
    & skf21("4","6","3","4","6","1","2","1") = "5"
    & skf21("4","6","3","4","6","1","3","1") = "5"
    & skf21("4","6","3","4","6","1","4","1") = "5"
    & skf21("4","6","3","4","6","1","5","1") = "5"
    & skf21("4","6","3","4","6","1","6","1") = "5"
    & skf21("4","6","3","4","6","1","7","1") = "6"
    & skf21("4","6","3","4","6","2","1","1") = "5"
    & skf21("4","6","3","4","6","2","2","1") = "5"
    & skf21("4","6","3","4","6","2","3","1") = "5"
    & skf21("4","6","3","4","6","2","4","1") = "5"
    & skf21("4","6","3","4","6","2","5","1") = "5"
    & skf21("4","6","3","4","6","2","6","1") = "5"
    & skf21("4","6","3","4","6","2","7","1") = "6"
    & skf21("4","6","3","4","6","3","1","1") = "5"
    & skf21("4","6","3","4","6","3","2","1") = "5"
    & skf21("4","6","3","4","6","3","3","1") = "5"
    & skf21("4","6","3","4","6","3","4","1") = "5"
    & skf21("4","6","3","4","6","3","5","1") = "5"
    & skf21("4","6","3","4","6","3","6","1") = "5"
    & skf21("4","6","3","4","6","3","7","1") = "6"
    & skf21("4","6","3","4","6","4","1","1") = "5"
    & skf21("4","6","3","4","6","4","2","1") = "5"
    & skf21("4","6","3","4","6","4","3","1") = "5"
    & skf21("4","6","3","4","6","4","4","1") = "5"
    & skf21("4","6","3","4","6","4","5","1") = "5"
    & skf21("4","6","3","4","6","4","6","1") = "5"
    & skf21("4","6","3","4","6","4","7","1") = "6"
    & skf21("4","6","3","4","6","5","1","1") = "5"
    & skf21("4","6","3","4","6","5","2","1") = "5"
    & skf21("4","6","3","4","6","5","3","1") = "5"
    & skf21("4","6","3","4","6","5","4","1") = "5"
    & skf21("4","6","3","4","6","5","5","1") = "5"
    & skf21("4","6","3","4","6","5","6","1") = "5"
    & skf21("4","6","3","4","6","5","7","1") = "6"
    & skf21("4","6","3","4","6","6","1","1") = "5"
    & skf21("4","6","3","4","6","6","2","1") = "5"
    & skf21("4","6","3","4","6","6","3","1") = "5"
    & skf21("4","6","3","4","6","6","4","1") = "5"
    & skf21("4","6","3","4","6","6","5","1") = "5"
    & skf21("4","6","3","4","6","6","6","1") = "5"
    & skf21("4","6","3","4","6","6","7","1") = "6"
    & skf21("4","6","3","4","6","7","1","1") = "6"
    & skf21("4","6","3","4","6","7","2","1") = "6"
    & skf21("4","6","3","4","6","7","3","1") = "6"
    & skf21("4","6","3","4","6","7","4","1") = "6"
    & skf21("4","6","3","4","6","7","5","1") = "6"
    & skf21("4","6","3","4","6","7","6","1") = "6"
    & skf21("4","6","3","4","6","7","7","1") = "6"
    & skf21("4","6","3","4","7","1","1","1") = "6"
    & skf21("4","6","3","4","7","1","2","1") = "6"
    & skf21("4","6","3","4","7","1","3","1") = "6"
    & skf21("4","6","3","4","7","1","4","1") = "6"
    & skf21("4","6","3","4","7","1","5","1") = "6"
    & skf21("4","6","3","4","7","1","6","1") = "6"
    & skf21("4","6","3","4","7","1","7","1") = "6"
    & skf21("4","6","3","4","7","2","1","1") = "6"
    & skf21("4","6","3","4","7","2","2","1") = "6"
    & skf21("4","6","3","4","7","2","3","1") = "6"
    & skf21("4","6","3","4","7","2","4","1") = "6"
    & skf21("4","6","3","4","7","2","5","1") = "6"
    & skf21("4","6","3","4","7","2","6","1") = "6"
    & skf21("4","6","3","4","7","2","7","1") = "6"
    & skf21("4","6","3","4","7","3","1","1") = "6"
    & skf21("4","6","3","4","7","3","2","1") = "6"
    & skf21("4","6","3","4","7","3","3","1") = "6"
    & skf21("4","6","3","4","7","3","4","1") = "6"
    & skf21("4","6","3","4","7","3","5","1") = "6"
    & skf21("4","6","3","4","7","3","6","1") = "6"
    & skf21("4","6","3","4","7","3","7","1") = "6"
    & skf21("4","6","3","4","7","4","1","1") = "6"
    & skf21("4","6","3","4","7","4","2","1") = "6"
    & skf21("4","6","3","4","7","4","3","1") = "6"
    & skf21("4","6","3","4","7","4","4","1") = "6"
    & skf21("4","6","3","4","7","4","5","1") = "6"
    & skf21("4","6","3","4","7","4","6","1") = "6"
    & skf21("4","6","3","4","7","4","7","1") = "6"
    & skf21("4","6","3","4","7","5","1","1") = "6"
    & skf21("4","6","3","4","7","5","2","1") = "6"
    & skf21("4","6","3","4","7","5","3","1") = "6"
    & skf21("4","6","3","4","7","5","4","1") = "6"
    & skf21("4","6","3","4","7","5","5","1") = "6"
    & skf21("4","6","3","4","7","5","6","1") = "6"
    & skf21("4","6","3","4","7","5","7","1") = "6"
    & skf21("4","6","3","4","7","6","1","1") = "6"
    & skf21("4","6","3","4","7","6","2","1") = "6"
    & skf21("4","6","3","4","7","6","3","1") = "6"
    & skf21("4","6","3","4","7","6","4","1") = "6"
    & skf21("4","6","3","4","7","6","5","1") = "6"
    & skf21("4","6","3","4","7","6","6","1") = "6"
    & skf21("4","6","3","4","7","6","7","1") = "6"
    & skf21("4","6","3","4","7","7","1","1") = "6"
    & skf21("4","6","3","4","7","7","2","1") = "6"
    & skf21("4","6","3","4","7","7","3","1") = "6"
    & skf21("4","6","3","4","7","7","4","1") = "6"
    & skf21("4","6","3","4","7","7","5","1") = "6"
    & skf21("4","6","3","4","7","7","6","1") = "6"
    & skf21("4","6","3","4","7","7","7","1") = "6"
    & skf21("4","6","3","5","1","1","1","1") = "5"
    & skf21("4","6","3","5","1","1","2","1") = "5"
    & skf21("4","6","3","5","1","1","3","1") = "5"
    & skf21("4","6","3","5","1","1","4","1") = "5"
    & skf21("4","6","3","5","1","1","5","1") = "5"
    & skf21("4","6","3","5","1","1","6","1") = "5"
    & skf21("4","6","3","5","1","1","7","1") = "6"
    & skf21("4","6","3","5","1","2","1","1") = "5"
    & skf21("4","6","3","5","1","2","2","1") = "5"
    & skf21("4","6","3","5","1","2","3","1") = "5"
    & skf21("4","6","3","5","1","2","4","1") = "5"
    & skf21("4","6","3","5","1","2","5","1") = "5"
    & skf21("4","6","3","5","1","2","6","1") = "5"
    & skf21("4","6","3","5","1","2","7","1") = "6"
    & skf21("4","6","3","5","1","3","1","1") = "5"
    & skf21("4","6","3","5","1","3","2","1") = "5"
    & skf21("4","6","3","5","1","3","3","1") = "5"
    & skf21("4","6","3","5","1","3","4","1") = "5"
    & skf21("4","6","3","5","1","3","5","1") = "5"
    & skf21("4","6","3","5","1","3","6","1") = "5"
    & skf21("4","6","3","5","1","3","7","1") = "6"
    & skf21("4","6","3","5","1","4","1","1") = "5"
    & skf21("4","6","3","5","1","4","2","1") = "5"
    & skf21("4","6","3","5","1","4","3","1") = "5"
    & skf21("4","6","3","5","1","4","4","1") = "5"
    & skf21("4","6","3","5","1","4","5","1") = "5"
    & skf21("4","6","3","5","1","4","6","1") = "5"
    & skf21("4","6","3","5","1","4","7","1") = "6"
    & skf21("4","6","3","5","1","5","1","1") = "5"
    & skf21("4","6","3","5","1","5","2","1") = "5"
    & skf21("4","6","3","5","1","5","3","1") = "5"
    & skf21("4","6","3","5","1","5","4","1") = "5"
    & skf21("4","6","3","5","1","5","5","1") = "5"
    & skf21("4","6","3","5","1","5","6","1") = "5"
    & skf21("4","6","3","5","1","5","7","1") = "6"
    & skf21("4","6","3","5","1","6","1","1") = "5"
    & skf21("4","6","3","5","1","6","2","1") = "5"
    & skf21("4","6","3","5","1","6","3","1") = "5"
    & skf21("4","6","3","5","1","6","4","1") = "5"
    & skf21("4","6","3","5","1","6","5","1") = "5"
    & skf21("4","6","3","5","1","6","6","1") = "5"
    & skf21("4","6","3","5","1","6","7","1") = "6"
    & skf21("4","6","3","5","1","7","1","1") = "6"
    & skf21("4","6","3","5","1","7","2","1") = "6"
    & skf21("4","6","3","5","1","7","3","1") = "6"
    & skf21("4","6","3","5","1","7","4","1") = "6"
    & skf21("4","6","3","5","1","7","5","1") = "6"
    & skf21("4","6","3","5","1","7","6","1") = "6"
    & skf21("4","6","3","5","1","7","7","1") = "6"
    & skf21("4","6","3","5","2","1","1","1") = "5"
    & skf21("4","6","3","5","2","1","2","1") = "5"
    & skf21("4","6","3","5","2","1","3","1") = "5"
    & skf21("4","6","3","5","2","1","4","1") = "5"
    & skf21("4","6","3","5","2","1","5","1") = "5"
    & skf21("4","6","3","5","2","1","6","1") = "5"
    & skf21("4","6","3","5","2","1","7","1") = "6"
    & skf21("4","6","3","5","2","2","1","1") = "5"
    & skf21("4","6","3","5","2","2","2","1") = "5"
    & skf21("4","6","3","5","2","2","3","1") = "5"
    & skf21("4","6","3","5","2","2","4","1") = "5"
    & skf21("4","6","3","5","2","2","5","1") = "5"
    & skf21("4","6","3","5","2","2","6","1") = "5"
    & skf21("4","6","3","5","2","2","7","1") = "6"
    & skf21("4","6","3","5","2","3","1","1") = "5"
    & skf21("4","6","3","5","2","3","2","1") = "5"
    & skf21("4","6","3","5","2","3","3","1") = "5"
    & skf21("4","6","3","5","2","3","4","1") = "5"
    & skf21("4","6","3","5","2","3","5","1") = "5"
    & skf21("4","6","3","5","2","3","6","1") = "5"
    & skf21("4","6","3","5","2","3","7","1") = "6"
    & skf21("4","6","3","5","2","4","1","1") = "5"
    & skf21("4","6","3","5","2","4","2","1") = "5"
    & skf21("4","6","3","5","2","4","3","1") = "5"
    & skf21("4","6","3","5","2","4","4","1") = "5"
    & skf21("4","6","3","5","2","4","5","1") = "5"
    & skf21("4","6","3","5","2","4","6","1") = "5"
    & skf21("4","6","3","5","2","4","7","1") = "6"
    & skf21("4","6","3","5","2","5","1","1") = "5"
    & skf21("4","6","3","5","2","5","2","1") = "5"
    & skf21("4","6","3","5","2","5","3","1") = "5"
    & skf21("4","6","3","5","2","5","4","1") = "5"
    & skf21("4","6","3","5","2","5","5","1") = "5"
    & skf21("4","6","3","5","2","5","6","1") = "5"
    & skf21("4","6","3","5","2","5","7","1") = "6"
    & skf21("4","6","3","5","2","6","1","1") = "5"
    & skf21("4","6","3","5","2","6","2","1") = "5"
    & skf21("4","6","3","5","2","6","3","1") = "5"
    & skf21("4","6","3","5","2","6","4","1") = "5"
    & skf21("4","6","3","5","2","6","5","1") = "5"
    & skf21("4","6","3","5","2","6","6","1") = "5"
    & skf21("4","6","3","5","2","6","7","1") = "6"
    & skf21("4","6","3","5","2","7","1","1") = "6"
    & skf21("4","6","3","5","2","7","2","1") = "6"
    & skf21("4","6","3","5","2","7","3","1") = "6"
    & skf21("4","6","3","5","2","7","4","1") = "6"
    & skf21("4","6","3","5","2","7","5","1") = "6"
    & skf21("4","6","3","5","2","7","6","1") = "6"
    & skf21("4","6","3","5","2","7","7","1") = "6"
    & skf21("4","6","3","5","3","1","1","1") = "5"
    & skf21("4","6","3","5","3","1","2","1") = "5"
    & skf21("4","6","3","5","3","1","3","1") = "5"
    & skf21("4","6","3","5","3","1","4","1") = "5"
    & skf21("4","6","3","5","3","1","5","1") = "5"
    & skf21("4","6","3","5","3","1","6","1") = "5"
    & skf21("4","6","3","5","3","1","7","1") = "6"
    & skf21("4","6","3","5","3","2","1","1") = "5"
    & skf21("4","6","3","5","3","2","2","1") = "5"
    & skf21("4","6","3","5","3","2","3","1") = "5"
    & skf21("4","6","3","5","3","2","4","1") = "5"
    & skf21("4","6","3","5","3","2","5","1") = "5"
    & skf21("4","6","3","5","3","2","6","1") = "5"
    & skf21("4","6","3","5","3","2","7","1") = "6"
    & skf21("4","6","3","5","3","3","1","1") = "5"
    & skf21("4","6","3","5","3","3","2","1") = "5"
    & skf21("4","6","3","5","3","3","3","1") = "5"
    & skf21("4","6","3","5","3","3","4","1") = "5"
    & skf21("4","6","3","5","3","3","5","1") = "5"
    & skf21("4","6","3","5","3","3","6","1") = "5"
    & skf21("4","6","3","5","3","3","7","1") = "6"
    & skf21("4","6","3","5","3","4","1","1") = "5"
    & skf21("4","6","3","5","3","4","2","1") = "5"
    & skf21("4","6","3","5","3","4","3","1") = "5"
    & skf21("4","6","3","5","3","4","4","1") = "5"
    & skf21("4","6","3","5","3","4","5","1") = "5"
    & skf21("4","6","3","5","3","4","6","1") = "5"
    & skf21("4","6","3","5","3","4","7","1") = "6"
    & skf21("4","6","3","5","3","5","1","1") = "5"
    & skf21("4","6","3","5","3","5","2","1") = "5"
    & skf21("4","6","3","5","3","5","3","1") = "5"
    & skf21("4","6","3","5","3","5","4","1") = "5"
    & skf21("4","6","3","5","3","5","5","1") = "5"
    & skf21("4","6","3","5","3","5","6","1") = "5"
    & skf21("4","6","3","5","3","5","7","1") = "6"
    & skf21("4","6","3","5","3","6","1","1") = "5"
    & skf21("4","6","3","5","3","6","2","1") = "5"
    & skf21("4","6","3","5","3","6","3","1") = "5"
    & skf21("4","6","3","5","3","6","4","1") = "5"
    & skf21("4","6","3","5","3","6","5","1") = "5"
    & skf21("4","6","3","5","3","6","6","1") = "5"
    & skf21("4","6","3","5","3","6","7","1") = "6"
    & skf21("4","6","3","5","3","7","1","1") = "6"
    & skf21("4","6","3","5","3","7","2","1") = "6"
    & skf21("4","6","3","5","3","7","3","1") = "6"
    & skf21("4","6","3","5","3","7","4","1") = "6"
    & skf21("4","6","3","5","3","7","5","1") = "6"
    & skf21("4","6","3","5","3","7","6","1") = "6"
    & skf21("4","6","3","5","3","7","7","1") = "6"
    & skf21("4","6","3","5","4","1","1","1") = "5"
    & skf21("4","6","3","5","4","1","2","1") = "5"
    & skf21("4","6","3","5","4","1","3","1") = "5"
    & skf21("4","6","3","5","4","1","4","1") = "5"
    & skf21("4","6","3","5","4","1","5","1") = "5"
    & skf21("4","6","3","5","4","1","6","1") = "5"
    & skf21("4","6","3","5","4","1","7","1") = "6"
    & skf21("4","6","3","5","4","2","1","1") = "5"
    & skf21("4","6","3","5","4","2","2","1") = "5"
    & skf21("4","6","3","5","4","2","3","1") = "5"
    & skf21("4","6","3","5","4","2","4","1") = "5"
    & skf21("4","6","3","5","4","2","5","1") = "5"
    & skf21("4","6","3","5","4","2","6","1") = "5"
    & skf21("4","6","3","5","4","2","7","1") = "6"
    & skf21("4","6","3","5","4","3","1","1") = "5"
    & skf21("4","6","3","5","4","3","2","1") = "5"
    & skf21("4","6","3","5","4","3","3","1") = "5"
    & skf21("4","6","3","5","4","3","4","1") = "5"
    & skf21("4","6","3","5","4","3","5","1") = "5"
    & skf21("4","6","3","5","4","3","6","1") = "5"
    & skf21("4","6","3","5","4","3","7","1") = "6"
    & skf21("4","6","3","5","4","4","1","1") = "5"
    & skf21("4","6","3","5","4","4","2","1") = "5"
    & skf21("4","6","3","5","4","4","3","1") = "5"
    & skf21("4","6","3","5","4","4","4","1") = "5"
    & skf21("4","6","3","5","4","4","5","1") = "5"
    & skf21("4","6","3","5","4","4","6","1") = "5"
    & skf21("4","6","3","5","4","4","7","1") = "6"
    & skf21("4","6","3","5","4","5","1","1") = "5"
    & skf21("4","6","3","5","4","5","2","1") = "5"
    & skf21("4","6","3","5","4","5","3","1") = "5"
    & skf21("4","6","3","5","4","5","4","1") = "5"
    & skf21("4","6","3","5","4","5","5","1") = "5"
    & skf21("4","6","3","5","4","5","6","1") = "5"
    & skf21("4","6","3","5","4","5","7","1") = "6"
    & skf21("4","6","3","5","4","6","1","1") = "5"
    & skf21("4","6","3","5","4","6","2","1") = "5"
    & skf21("4","6","3","5","4","6","3","1") = "5"
    & skf21("4","6","3","5","4","6","4","1") = "5"
    & skf21("4","6","3","5","4","6","5","1") = "5"
    & skf21("4","6","3","5","4","6","6","1") = "5"
    & skf21("4","6","3","5","4","6","7","1") = "6"
    & skf21("4","6","3","5","4","7","1","1") = "6"
    & skf21("4","6","3","5","4","7","2","1") = "6"
    & skf21("4","6","3","5","4","7","3","1") = "6"
    & skf21("4","6","3","5","4","7","4","1") = "6"
    & skf21("4","6","3","5","4","7","5","1") = "6"
    & skf21("4","6","3","5","4","7","6","1") = "6"
    & skf21("4","6","3","5","4","7","7","1") = "6"
    & skf21("4","6","3","5","5","1","1","1") = "5"
    & skf21("4","6","3","5","5","1","2","1") = "5"
    & skf21("4","6","3","5","5","1","3","1") = "5"
    & skf21("4","6","3","5","5","1","4","1") = "5"
    & skf21("4","6","3","5","5","1","5","1") = "5"
    & skf21("4","6","3","5","5","1","6","1") = "5"
    & skf21("4","6","3","5","5","1","7","1") = "6"
    & skf21("4","6","3","5","5","2","1","1") = "5"
    & skf21("4","6","3","5","5","2","2","1") = "5"
    & skf21("4","6","3","5","5","2","3","1") = "5"
    & skf21("4","6","3","5","5","2","4","1") = "5"
    & skf21("4","6","3","5","5","2","5","1") = "5"
    & skf21("4","6","3","5","5","2","6","1") = "5"
    & skf21("4","6","3","5","5","2","7","1") = "6"
    & skf21("4","6","3","5","5","3","1","1") = "5"
    & skf21("4","6","3","5","5","3","2","1") = "5"
    & skf21("4","6","3","5","5","3","3","1") = "5"
    & skf21("4","6","3","5","5","3","4","1") = "5"
    & skf21("4","6","3","5","5","3","5","1") = "5"
    & skf21("4","6","3","5","5","3","6","1") = "5"
    & skf21("4","6","3","5","5","3","7","1") = "6"
    & skf21("4","6","3","5","5","4","1","1") = "5"
    & skf21("4","6","3","5","5","4","2","1") = "5"
    & skf21("4","6","3","5","5","4","3","1") = "5"
    & skf21("4","6","3","5","5","4","4","1") = "5"
    & skf21("4","6","3","5","5","4","5","1") = "5"
    & skf21("4","6","3","5","5","4","6","1") = "5"
    & skf21("4","6","3","5","5","4","7","1") = "6"
    & skf21("4","6","3","5","5","5","1","1") = "5"
    & skf21("4","6","3","5","5","5","2","1") = "5"
    & skf21("4","6","3","5","5","5","3","1") = "5"
    & skf21("4","6","3","5","5","5","4","1") = "5"
    & skf21("4","6","3","5","5","5","5","1") = "5"
    & skf21("4","6","3","5","5","5","6","1") = "5"
    & skf21("4","6","3","5","5","5","7","1") = "6"
    & skf21("4","6","3","5","5","6","1","1") = "5"
    & skf21("4","6","3","5","5","6","2","1") = "5"
    & skf21("4","6","3","5","5","6","3","1") = "5"
    & skf21("4","6","3","5","5","6","4","1") = "5"
    & skf21("4","6","3","5","5","6","5","1") = "5"
    & skf21("4","6","3","5","5","6","6","1") = "5"
    & skf21("4","6","3","5","5","6","7","1") = "6"
    & skf21("4","6","3","5","5","7","1","1") = "6"
    & skf21("4","6","3","5","5","7","2","1") = "6"
    & skf21("4","6","3","5","5","7","3","1") = "6"
    & skf21("4","6","3","5","5","7","4","1") = "6"
    & skf21("4","6","3","5","5","7","5","1") = "6"
    & skf21("4","6","3","5","5","7","6","1") = "6"
    & skf21("4","6","3","5","5","7","7","1") = "6"
    & skf21("4","6","3","5","6","1","1","1") = "5"
    & skf21("4","6","3","5","6","1","2","1") = "5"
    & skf21("4","6","3","5","6","1","3","1") = "5"
    & skf21("4","6","3","5","6","1","4","1") = "5"
    & skf21("4","6","3","5","6","1","5","1") = "5"
    & skf21("4","6","3","5","6","1","6","1") = "5"
    & skf21("4","6","3","5","6","1","7","1") = "6"
    & skf21("4","6","3","5","6","2","1","1") = "5"
    & skf21("4","6","3","5","6","2","2","1") = "5"
    & skf21("4","6","3","5","6","2","3","1") = "5"
    & skf21("4","6","3","5","6","2","4","1") = "5"
    & skf21("4","6","3","5","6","2","5","1") = "5"
    & skf21("4","6","3","5","6","2","6","1") = "5"
    & skf21("4","6","3","5","6","2","7","1") = "6"
    & skf21("4","6","3","5","6","3","1","1") = "5"
    & skf21("4","6","3","5","6","3","2","1") = "5"
    & skf21("4","6","3","5","6","3","3","1") = "5"
    & skf21("4","6","3","5","6","3","4","1") = "5"
    & skf21("4","6","3","5","6","3","5","1") = "5"
    & skf21("4","6","3","5","6","3","6","1") = "5"
    & skf21("4","6","3","5","6","3","7","1") = "6"
    & skf21("4","6","3","5","6","4","1","1") = "5"
    & skf21("4","6","3","5","6","4","2","1") = "5"
    & skf21("4","6","3","5","6","4","3","1") = "5"
    & skf21("4","6","3","5","6","4","4","1") = "5"
    & skf21("4","6","3","5","6","4","5","1") = "5"
    & skf21("4","6","3","5","6","4","6","1") = "5"
    & skf21("4","6","3","5","6","4","7","1") = "6"
    & skf21("4","6","3","5","6","5","1","1") = "5"
    & skf21("4","6","3","5","6","5","2","1") = "5"
    & skf21("4","6","3","5","6","5","3","1") = "5"
    & skf21("4","6","3","5","6","5","4","1") = "5"
    & skf21("4","6","3","5","6","5","5","1") = "5"
    & skf21("4","6","3","5","6","5","6","1") = "5"
    & skf21("4","6","3","5","6","5","7","1") = "6"
    & skf21("4","6","3","5","6","6","1","1") = "5"
    & skf21("4","6","3","5","6","6","2","1") = "5"
    & skf21("4","6","3","5","6","6","3","1") = "5"
    & skf21("4","6","3","5","6","6","4","1") = "5"
    & skf21("4","6","3","5","6","6","5","1") = "5"
    & skf21("4","6","3","5","6","6","6","1") = "5"
    & skf21("4","6","3","5","6","6","7","1") = "6"
    & skf21("4","6","3","5","6","7","1","1") = "6"
    & skf21("4","6","3","5","6","7","2","1") = "6"
    & skf21("4","6","3","5","6","7","3","1") = "6"
    & skf21("4","6","3","5","6","7","4","1") = "6"
    & skf21("4","6","3","5","6","7","5","1") = "6"
    & skf21("4","6","3","5","6","7","6","1") = "6"
    & skf21("4","6","3","5","6","7","7","1") = "6"
    & skf21("4","6","3","5","7","1","1","1") = "6"
    & skf21("4","6","3","5","7","1","2","1") = "6"
    & skf21("4","6","3","5","7","1","3","1") = "6"
    & skf21("4","6","3","5","7","1","4","1") = "6"
    & skf21("4","6","3","5","7","1","5","1") = "6"
    & skf21("4","6","3","5","7","1","6","1") = "6"
    & skf21("4","6","3","5","7","1","7","1") = "6"
    & skf21("4","6","3","5","7","2","1","1") = "6"
    & skf21("4","6","3","5","7","2","2","1") = "6"
    & skf21("4","6","3","5","7","2","3","1") = "6"
    & skf21("4","6","3","5","7","2","4","1") = "6"
    & skf21("4","6","3","5","7","2","5","1") = "6"
    & skf21("4","6","3","5","7","2","6","1") = "6"
    & skf21("4","6","3","5","7","2","7","1") = "6"
    & skf21("4","6","3","5","7","3","1","1") = "6"
    & skf21("4","6","3","5","7","3","2","1") = "6"
    & skf21("4","6","3","5","7","3","3","1") = "6"
    & skf21("4","6","3","5","7","3","4","1") = "6"
    & skf21("4","6","3","5","7","3","5","1") = "6"
    & skf21("4","6","3","5","7","3","6","1") = "6"
    & skf21("4","6","3","5","7","3","7","1") = "6"
    & skf21("4","6","3","5","7","4","1","1") = "6"
    & skf21("4","6","3","5","7","4","2","1") = "6"
    & skf21("4","6","3","5","7","4","3","1") = "6"
    & skf21("4","6","3","5","7","4","4","1") = "6"
    & skf21("4","6","3","5","7","4","5","1") = "6"
    & skf21("4","6","3","5","7","4","6","1") = "6"
    & skf21("4","6","3","5","7","4","7","1") = "6"
    & skf21("4","6","3","5","7","5","1","1") = "6"
    & skf21("4","6","3","5","7","5","2","1") = "6"
    & skf21("4","6","3","5","7","5","3","1") = "6"
    & skf21("4","6","3","5","7","5","4","1") = "6"
    & skf21("4","6","3","5","7","5","5","1") = "6"
    & skf21("4","6","3","5","7","5","6","1") = "6"
    & skf21("4","6","3","5","7","5","7","1") = "6"
    & skf21("4","6","3","5","7","6","1","1") = "6"
    & skf21("4","6","3","5","7","6","2","1") = "6"
    & skf21("4","6","3","5","7","6","3","1") = "6"
    & skf21("4","6","3","5","7","6","4","1") = "6"
    & skf21("4","6","3","5","7","6","5","1") = "6"
    & skf21("4","6","3","5","7","6","6","1") = "6"
    & skf21("4","6","3","5","7","6","7","1") = "6"
    & skf21("4","6","3","5","7","7","1","1") = "6"
    & skf21("4","6","3","5","7","7","2","1") = "6"
    & skf21("4","6","3","5","7","7","3","1") = "6"
    & skf21("4","6","3","5","7","7","4","1") = "6"
    & skf21("4","6","3","5","7","7","5","1") = "6"
    & skf21("4","6","3","5","7","7","6","1") = "6"
    & skf21("4","6","3","5","7","7","7","1") = "6"
    & skf21("4","6","3","6","1","1","1","1") = "5"
    & skf21("4","6","3","6","1","1","2","1") = "5"
    & skf21("4","6","3","6","1","1","3","1") = "5"
    & skf21("4","6","3","6","1","1","4","1") = "5"
    & skf21("4","6","3","6","1","1","5","1") = "5"
    & skf21("4","6","3","6","1","1","6","1") = "5"
    & skf21("4","6","3","6","1","1","7","1") = "6"
    & skf21("4","6","3","6","1","2","1","1") = "5"
    & skf21("4","6","3","6","1","2","2","1") = "5"
    & skf21("4","6","3","6","1","2","3","1") = "5"
    & skf21("4","6","3","6","1","2","4","1") = "5"
    & skf21("4","6","3","6","1","2","5","1") = "5"
    & skf21("4","6","3","6","1","2","6","1") = "5"
    & skf21("4","6","3","6","1","2","7","1") = "6"
    & skf21("4","6","3","6","1","3","1","1") = "5"
    & skf21("4","6","3","6","1","3","2","1") = "5"
    & skf21("4","6","3","6","1","3","3","1") = "5"
    & skf21("4","6","3","6","1","3","4","1") = "5"
    & skf21("4","6","3","6","1","3","5","1") = "5"
    & skf21("4","6","3","6","1","3","6","1") = "5"
    & skf21("4","6","3","6","1","3","7","1") = "6"
    & skf21("4","6","3","6","1","4","1","1") = "5"
    & skf21("4","6","3","6","1","4","2","1") = "5"
    & skf21("4","6","3","6","1","4","3","1") = "5"
    & skf21("4","6","3","6","1","4","4","1") = "5"
    & skf21("4","6","3","6","1","4","5","1") = "5"
    & skf21("4","6","3","6","1","4","6","1") = "5"
    & skf21("4","6","3","6","1","4","7","1") = "6"
    & skf21("4","6","3","6","1","5","1","1") = "5"
    & skf21("4","6","3","6","1","5","2","1") = "5"
    & skf21("4","6","3","6","1","5","3","1") = "5"
    & skf21("4","6","3","6","1","5","4","1") = "5"
    & skf21("4","6","3","6","1","5","5","1") = "5"
    & skf21("4","6","3","6","1","5","6","1") = "5"
    & skf21("4","6","3","6","1","5","7","1") = "6"
    & skf21("4","6","3","6","1","6","1","1") = "5"
    & skf21("4","6","3","6","1","6","2","1") = "5"
    & skf21("4","6","3","6","1","6","3","1") = "5"
    & skf21("4","6","3","6","1","6","4","1") = "5"
    & skf21("4","6","3","6","1","6","5","1") = "5"
    & skf21("4","6","3","6","1","6","6","1") = "5"
    & skf21("4","6","3","6","1","6","7","1") = "6"
    & skf21("4","6","3","6","1","7","1","1") = "6"
    & skf21("4","6","3","6","1","7","2","1") = "6"
    & skf21("4","6","3","6","1","7","3","1") = "6"
    & skf21("4","6","3","6","1","7","4","1") = "6"
    & skf21("4","6","3","6","1","7","5","1") = "6"
    & skf21("4","6","3","6","1","7","6","1") = "6"
    & skf21("4","6","3","6","1","7","7","1") = "6"
    & skf21("4","6","3","6","2","1","1","1") = "5"
    & skf21("4","6","3","6","2","1","2","1") = "5"
    & skf21("4","6","3","6","2","1","3","1") = "5"
    & skf21("4","6","3","6","2","1","4","1") = "5"
    & skf21("4","6","3","6","2","1","5","1") = "5"
    & skf21("4","6","3","6","2","1","6","1") = "5"
    & skf21("4","6","3","6","2","1","7","1") = "6"
    & skf21("4","6","3","6","2","2","1","1") = "5"
    & skf21("4","6","3","6","2","2","2","1") = "5"
    & skf21("4","6","3","6","2","2","3","1") = "5"
    & skf21("4","6","3","6","2","2","4","1") = "5"
    & skf21("4","6","3","6","2","2","5","1") = "5"
    & skf21("4","6","3","6","2","2","6","1") = "5"
    & skf21("4","6","3","6","2","2","7","1") = "6"
    & skf21("4","6","3","6","2","3","1","1") = "5"
    & skf21("4","6","3","6","2","3","2","1") = "5"
    & skf21("4","6","3","6","2","3","3","1") = "5"
    & skf21("4","6","3","6","2","3","4","1") = "5"
    & skf21("4","6","3","6","2","3","5","1") = "5"
    & skf21("4","6","3","6","2","3","6","1") = "5"
    & skf21("4","6","3","6","2","3","7","1") = "6"
    & skf21("4","6","3","6","2","4","1","1") = "5"
    & skf21("4","6","3","6","2","4","2","1") = "5"
    & skf21("4","6","3","6","2","4","3","1") = "5"
    & skf21("4","6","3","6","2","4","4","1") = "5"
    & skf21("4","6","3","6","2","4","5","1") = "5"
    & skf21("4","6","3","6","2","4","6","1") = "5"
    & skf21("4","6","3","6","2","4","7","1") = "6"
    & skf21("4","6","3","6","2","5","1","1") = "5"
    & skf21("4","6","3","6","2","5","2","1") = "5"
    & skf21("4","6","3","6","2","5","3","1") = "5"
    & skf21("4","6","3","6","2","5","4","1") = "5"
    & skf21("4","6","3","6","2","5","5","1") = "5"
    & skf21("4","6","3","6","2","5","6","1") = "5"
    & skf21("4","6","3","6","2","5","7","1") = "6"
    & skf21("4","6","3","6","2","6","1","1") = "5"
    & skf21("4","6","3","6","2","6","2","1") = "5"
    & skf21("4","6","3","6","2","6","3","1") = "5"
    & skf21("4","6","3","6","2","6","4","1") = "5"
    & skf21("4","6","3","6","2","6","5","1") = "5"
    & skf21("4","6","3","6","2","6","6","1") = "5"
    & skf21("4","6","3","6","2","6","7","1") = "6"
    & skf21("4","6","3","6","2","7","1","1") = "6"
    & skf21("4","6","3","6","2","7","2","1") = "6"
    & skf21("4","6","3","6","2","7","3","1") = "6"
    & skf21("4","6","3","6","2","7","4","1") = "6"
    & skf21("4","6","3","6","2","7","5","1") = "6"
    & skf21("4","6","3","6","2","7","6","1") = "6"
    & skf21("4","6","3","6","2","7","7","1") = "6"
    & skf21("4","6","3","6","3","1","1","1") = "5"
    & skf21("4","6","3","6","3","1","2","1") = "5"
    & skf21("4","6","3","6","3","1","3","1") = "5"
    & skf21("4","6","3","6","3","1","4","1") = "5"
    & skf21("4","6","3","6","3","1","5","1") = "5"
    & skf21("4","6","3","6","3","1","6","1") = "5"
    & skf21("4","6","3","6","3","1","7","1") = "6"
    & skf21("4","6","3","6","3","2","1","1") = "5"
    & skf21("4","6","3","6","3","2","2","1") = "5"
    & skf21("4","6","3","6","3","2","3","1") = "5"
    & skf21("4","6","3","6","3","2","4","1") = "5"
    & skf21("4","6","3","6","3","2","5","1") = "5"
    & skf21("4","6","3","6","3","2","6","1") = "5"
    & skf21("4","6","3","6","3","2","7","1") = "6"
    & skf21("4","6","3","6","3","3","1","1") = "5"
    & skf21("4","6","3","6","3","3","2","1") = "5"
    & skf21("4","6","3","6","3","3","3","1") = "5"
    & skf21("4","6","3","6","3","3","4","1") = "5"
    & skf21("4","6","3","6","3","3","5","1") = "5"
    & skf21("4","6","3","6","3","3","6","1") = "5"
    & skf21("4","6","3","6","3","3","7","1") = "6"
    & skf21("4","6","3","6","3","4","1","1") = "5"
    & skf21("4","6","3","6","3","4","2","1") = "5"
    & skf21("4","6","3","6","3","4","3","1") = "5"
    & skf21("4","6","3","6","3","4","4","1") = "5"
    & skf21("4","6","3","6","3","4","5","1") = "5"
    & skf21("4","6","3","6","3","4","6","1") = "5"
    & skf21("4","6","3","6","3","4","7","1") = "6"
    & skf21("4","6","3","6","3","5","1","1") = "5"
    & skf21("4","6","3","6","3","5","2","1") = "5"
    & skf21("4","6","3","6","3","5","3","1") = "5"
    & skf21("4","6","3","6","3","5","4","1") = "5"
    & skf21("4","6","3","6","3","5","5","1") = "5"
    & skf21("4","6","3","6","3","5","6","1") = "5"
    & skf21("4","6","3","6","3","5","7","1") = "6"
    & skf21("4","6","3","6","3","6","1","1") = "5"
    & skf21("4","6","3","6","3","6","2","1") = "5"
    & skf21("4","6","3","6","3","6","3","1") = "5"
    & skf21("4","6","3","6","3","6","4","1") = "5"
    & skf21("4","6","3","6","3","6","5","1") = "5"
    & skf21("4","6","3","6","3","6","6","1") = "5"
    & skf21("4","6","3","6","3","6","7","1") = "6"
    & skf21("4","6","3","6","3","7","1","1") = "6"
    & skf21("4","6","3","6","3","7","2","1") = "6"
    & skf21("4","6","3","6","3","7","3","1") = "6"
    & skf21("4","6","3","6","3","7","4","1") = "6"
    & skf21("4","6","3","6","3","7","5","1") = "6"
    & skf21("4","6","3","6","3","7","6","1") = "6"
    & skf21("4","6","3","6","3","7","7","1") = "6"
    & skf21("4","6","3","6","4","1","1","1") = "5"
    & skf21("4","6","3","6","4","1","2","1") = "5"
    & skf21("4","6","3","6","4","1","3","1") = "5"
    & skf21("4","6","3","6","4","1","4","1") = "5"
    & skf21("4","6","3","6","4","1","5","1") = "5"
    & skf21("4","6","3","6","4","1","6","1") = "5"
    & skf21("4","6","3","6","4","1","7","1") = "6"
    & skf21("4","6","3","6","4","2","1","1") = "5"
    & skf21("4","6","3","6","4","2","2","1") = "5"
    & skf21("4","6","3","6","4","2","3","1") = "5"
    & skf21("4","6","3","6","4","2","4","1") = "5"
    & skf21("4","6","3","6","4","2","5","1") = "5"
    & skf21("4","6","3","6","4","2","6","1") = "5"
    & skf21("4","6","3","6","4","2","7","1") = "6"
    & skf21("4","6","3","6","4","3","1","1") = "5"
    & skf21("4","6","3","6","4","3","2","1") = "5"
    & skf21("4","6","3","6","4","3","3","1") = "5"
    & skf21("4","6","3","6","4","3","4","1") = "5"
    & skf21("4","6","3","6","4","3","5","1") = "5"
    & skf21("4","6","3","6","4","3","6","1") = "5"
    & skf21("4","6","3","6","4","3","7","1") = "6"
    & skf21("4","6","3","6","4","4","1","1") = "5"
    & skf21("4","6","3","6","4","4","2","1") = "5"
    & skf21("4","6","3","6","4","4","3","1") = "5"
    & skf21("4","6","3","6","4","4","4","1") = "5"
    & skf21("4","6","3","6","4","4","5","1") = "5"
    & skf21("4","6","3","6","4","4","6","1") = "5"
    & skf21("4","6","3","6","4","4","7","1") = "6"
    & skf21("4","6","3","6","4","5","1","1") = "5"
    & skf21("4","6","3","6","4","5","2","1") = "5"
    & skf21("4","6","3","6","4","5","3","1") = "5"
    & skf21("4","6","3","6","4","5","4","1") = "5"
    & skf21("4","6","3","6","4","5","5","1") = "5"
    & skf21("4","6","3","6","4","5","6","1") = "5"
    & skf21("4","6","3","6","4","5","7","1") = "6"
    & skf21("4","6","3","6","4","6","1","1") = "5"
    & skf21("4","6","3","6","4","6","2","1") = "5"
    & skf21("4","6","3","6","4","6","3","1") = "5"
    & skf21("4","6","3","6","4","6","4","1") = "5"
    & skf21("4","6","3","6","4","6","5","1") = "5"
    & skf21("4","6","3","6","4","6","6","1") = "5"
    & skf21("4","6","3","6","4","6","7","1") = "6"
    & skf21("4","6","3","6","4","7","1","1") = "6"
    & skf21("4","6","3","6","4","7","2","1") = "6"
    & skf21("4","6","3","6","4","7","3","1") = "6"
    & skf21("4","6","3","6","4","7","4","1") = "6"
    & skf21("4","6","3","6","4","7","5","1") = "6"
    & skf21("4","6","3","6","4","7","6","1") = "6"
    & skf21("4","6","3","6","4","7","7","1") = "6"
    & skf21("4","6","3","6","5","1","1","1") = "5"
    & skf21("4","6","3","6","5","1","2","1") = "5"
    & skf21("4","6","3","6","5","1","3","1") = "5"
    & skf21("4","6","3","6","5","1","4","1") = "5"
    & skf21("4","6","3","6","5","1","5","1") = "5"
    & skf21("4","6","3","6","5","1","6","1") = "5"
    & skf21("4","6","3","6","5","1","7","1") = "6"
    & skf21("4","6","3","6","5","2","1","1") = "5"
    & skf21("4","6","3","6","5","2","2","1") = "5"
    & skf21("4","6","3","6","5","2","3","1") = "5"
    & skf21("4","6","3","6","5","2","4","1") = "5"
    & skf21("4","6","3","6","5","2","5","1") = "5"
    & skf21("4","6","3","6","5","2","6","1") = "5"
    & skf21("4","6","3","6","5","2","7","1") = "6"
    & skf21("4","6","3","6","5","3","1","1") = "5"
    & skf21("4","6","3","6","5","3","2","1") = "5"
    & skf21("4","6","3","6","5","3","3","1") = "5"
    & skf21("4","6","3","6","5","3","4","1") = "5"
    & skf21("4","6","3","6","5","3","5","1") = "5"
    & skf21("4","6","3","6","5","3","6","1") = "5"
    & skf21("4","6","3","6","5","3","7","1") = "6"
    & skf21("4","6","3","6","5","4","1","1") = "5"
    & skf21("4","6","3","6","5","4","2","1") = "5"
    & skf21("4","6","3","6","5","4","3","1") = "5"
    & skf21("4","6","3","6","5","4","4","1") = "5"
    & skf21("4","6","3","6","5","4","5","1") = "5"
    & skf21("4","6","3","6","5","4","6","1") = "5"
    & skf21("4","6","3","6","5","4","7","1") = "6"
    & skf21("4","6","3","6","5","5","1","1") = "5"
    & skf21("4","6","3","6","5","5","2","1") = "5"
    & skf21("4","6","3","6","5","5","3","1") = "5"
    & skf21("4","6","3","6","5","5","4","1") = "5"
    & skf21("4","6","3","6","5","5","5","1") = "5"
    & skf21("4","6","3","6","5","5","6","1") = "5"
    & skf21("4","6","3","6","5","5","7","1") = "6"
    & skf21("4","6","3","6","5","6","1","1") = "5"
    & skf21("4","6","3","6","5","6","2","1") = "5"
    & skf21("4","6","3","6","5","6","3","1") = "5"
    & skf21("4","6","3","6","5","6","4","1") = "5"
    & skf21("4","6","3","6","5","6","5","1") = "5"
    & skf21("4","6","3","6","5","6","6","1") = "5"
    & skf21("4","6","3","6","5","6","7","1") = "6"
    & skf21("4","6","3","6","5","7","1","1") = "6"
    & skf21("4","6","3","6","5","7","2","1") = "6"
    & skf21("4","6","3","6","5","7","3","1") = "6"
    & skf21("4","6","3","6","5","7","4","1") = "6"
    & skf21("4","6","3","6","5","7","5","1") = "6"
    & skf21("4","6","3","6","5","7","6","1") = "6"
    & skf21("4","6","3","6","5","7","7","1") = "6"
    & skf21("4","6","3","6","6","1","1","1") = "5"
    & skf21("4","6","3","6","6","1","2","1") = "5"
    & skf21("4","6","3","6","6","1","3","1") = "5"
    & skf21("4","6","3","6","6","1","4","1") = "5"
    & skf21("4","6","3","6","6","1","5","1") = "5"
    & skf21("4","6","3","6","6","1","6","1") = "5"
    & skf21("4","6","3","6","6","1","7","1") = "6"
    & skf21("4","6","3","6","6","2","1","1") = "5"
    & skf21("4","6","3","6","6","2","2","1") = "5"
    & skf21("4","6","3","6","6","2","3","1") = "5"
    & skf21("4","6","3","6","6","2","4","1") = "5"
    & skf21("4","6","3","6","6","2","5","1") = "5"
    & skf21("4","6","3","6","6","2","6","1") = "5"
    & skf21("4","6","3","6","6","2","7","1") = "6"
    & skf21("4","6","3","6","6","3","1","1") = "5"
    & skf21("4","6","3","6","6","3","2","1") = "5"
    & skf21("4","6","3","6","6","3","3","1") = "5"
    & skf21("4","6","3","6","6","3","4","1") = "5"
    & skf21("4","6","3","6","6","3","5","1") = "5"
    & skf21("4","6","3","6","6","3","6","1") = "5"
    & skf21("4","6","3","6","6","3","7","1") = "6"
    & skf21("4","6","3","6","6","4","1","1") = "5"
    & skf21("4","6","3","6","6","4","2","1") = "5"
    & skf21("4","6","3","6","6","4","3","1") = "5"
    & skf21("4","6","3","6","6","4","4","1") = "5"
    & skf21("4","6","3","6","6","4","5","1") = "5"
    & skf21("4","6","3","6","6","4","6","1") = "5"
    & skf21("4","6","3","6","6","4","7","1") = "6"
    & skf21("4","6","3","6","6","5","1","1") = "5"
    & skf21("4","6","3","6","6","5","2","1") = "5"
    & skf21("4","6","3","6","6","5","3","1") = "5"
    & skf21("4","6","3","6","6","5","4","1") = "5"
    & skf21("4","6","3","6","6","5","5","1") = "5"
    & skf21("4","6","3","6","6","5","6","1") = "5"
    & skf21("4","6","3","6","6","5","7","1") = "6"
    & skf21("4","6","3","6","6","6","1","1") = "5"
    & skf21("4","6","3","6","6","6","2","1") = "5"
    & skf21("4","6","3","6","6","6","3","1") = "5"
    & skf21("4","6","3","6","6","6","4","1") = "5"
    & skf21("4","6","3","6","6","6","5","1") = "5"
    & skf21("4","6","3","6","6","6","6","1") = "5"
    & skf21("4","6","3","6","6","6","7","1") = "6"
    & skf21("4","6","3","6","6","7","1","1") = "6"
    & skf21("4","6","3","6","6","7","2","1") = "6"
    & skf21("4","6","3","6","6","7","3","1") = "6"
    & skf21("4","6","3","6","6","7","4","1") = "6"
    & skf21("4","6","3","6","6","7","5","1") = "6"
    & skf21("4","6","3","6","6","7","6","1") = "6"
    & skf21("4","6","3","6","6","7","7","1") = "6"
    & skf21("4","6","3","6","7","1","1","1") = "6"
    & skf21("4","6","3","6","7","1","2","1") = "6"
    & skf21("4","6","3","6","7","1","3","1") = "6"
    & skf21("4","6","3","6","7","1","4","1") = "6"
    & skf21("4","6","3","6","7","1","5","1") = "6"
    & skf21("4","6","3","6","7","1","6","1") = "6"
    & skf21("4","6","3","6","7","1","7","1") = "6"
    & skf21("4","6","3","6","7","2","1","1") = "6"
    & skf21("4","6","3","6","7","2","2","1") = "6"
    & skf21("4","6","3","6","7","2","3","1") = "6"
    & skf21("4","6","3","6","7","2","4","1") = "6"
    & skf21("4","6","3","6","7","2","5","1") = "6"
    & skf21("4","6","3","6","7","2","6","1") = "6"
    & skf21("4","6","3","6","7","2","7","1") = "6"
    & skf21("4","6","3","6","7","3","1","1") = "6"
    & skf21("4","6","3","6","7","3","2","1") = "6"
    & skf21("4","6","3","6","7","3","3","1") = "6"
    & skf21("4","6","3","6","7","3","4","1") = "6"
    & skf21("4","6","3","6","7","3","5","1") = "6"
    & skf21("4","6","3","6","7","3","6","1") = "6"
    & skf21("4","6","3","6","7","3","7","1") = "6"
    & skf21("4","6","3","6","7","4","1","1") = "6"
    & skf21("4","6","3","6","7","4","2","1") = "6"
    & skf21("4","6","3","6","7","4","3","1") = "6"
    & skf21("4","6","3","6","7","4","4","1") = "6"
    & skf21("4","6","3","6","7","4","5","1") = "6"
    & skf21("4","6","3","6","7","4","6","1") = "6"
    & skf21("4","6","3","6","7","4","7","1") = "6"
    & skf21("4","6","3","6","7","5","1","1") = "6"
    & skf21("4","6","3","6","7","5","2","1") = "6"
    & skf21("4","6","3","6","7","5","3","1") = "6"
    & skf21("4","6","3","6","7","5","4","1") = "6"
    & skf21("4","6","3","6","7","5","5","1") = "6"
    & skf21("4","6","3","6","7","5","6","1") = "6"
    & skf21("4","6","3","6","7","5","7","1") = "6"
    & skf21("4","6","3","6","7","6","1","1") = "6"
    & skf21("4","6","3","6","7","6","2","1") = "6"
    & skf21("4","6","3","6","7","6","3","1") = "6"
    & skf21("4","6","3","6","7","6","4","1") = "6"
    & skf21("4","6","3","6","7","6","5","1") = "6"
    & skf21("4","6","3","6","7","6","6","1") = "6"
    & skf21("4","6","3","6","7","6","7","1") = "6"
    & skf21("4","6","3","6","7","7","1","1") = "6"
    & skf21("4","6","3","6","7","7","2","1") = "6"
    & skf21("4","6","3","6","7","7","3","1") = "6"
    & skf21("4","6","3","6","7","7","4","1") = "6"
    & skf21("4","6","3","6","7","7","5","1") = "6"
    & skf21("4","6","3","6","7","7","6","1") = "6"
    & skf21("4","6","3","6","7","7","7","1") = "6"
    & skf21("4","6","3","7","1","1","1","1") = "6"
    & skf21("4","6","3","7","1","1","2","1") = "6"
    & skf21("4","6","3","7","1","1","3","1") = "6"
    & skf21("4","6","3","7","1","1","4","1") = "6"
    & skf21("4","6","3","7","1","1","5","1") = "6"
    & skf21("4","6","3","7","1","1","6","1") = "6"
    & skf21("4","6","3","7","1","1","7","1") = "6"
    & skf21("4","6","3","7","1","2","1","1") = "6"
    & skf21("4","6","3","7","1","2","2","1") = "6"
    & skf21("4","6","3","7","1","2","3","1") = "6"
    & skf21("4","6","3","7","1","2","4","1") = "6"
    & skf21("4","6","3","7","1","2","5","1") = "6"
    & skf21("4","6","3","7","1","2","6","1") = "6"
    & skf21("4","6","3","7","1","2","7","1") = "6"
    & skf21("4","6","3","7","1","3","1","1") = "6"
    & skf21("4","6","3","7","1","3","2","1") = "6"
    & skf21("4","6","3","7","1","3","3","1") = "6"
    & skf21("4","6","3","7","1","3","4","1") = "6"
    & skf21("4","6","3","7","1","3","5","1") = "6"
    & skf21("4","6","3","7","1","3","6","1") = "6"
    & skf21("4","6","3","7","1","3","7","1") = "6"
    & skf21("4","6","3","7","1","4","1","1") = "6"
    & skf21("4","6","3","7","1","4","2","1") = "6"
    & skf21("4","6","3","7","1","4","3","1") = "6"
    & skf21("4","6","3","7","1","4","4","1") = "6"
    & skf21("4","6","3","7","1","4","5","1") = "6"
    & skf21("4","6","3","7","1","4","6","1") = "6"
    & skf21("4","6","3","7","1","4","7","1") = "6"
    & skf21("4","6","3","7","1","5","1","1") = "6"
    & skf21("4","6","3","7","1","5","2","1") = "6"
    & skf21("4","6","3","7","1","5","3","1") = "6"
    & skf21("4","6","3","7","1","5","4","1") = "6"
    & skf21("4","6","3","7","1","5","5","1") = "6"
    & skf21("4","6","3","7","1","5","6","1") = "6"
    & skf21("4","6","3","7","1","5","7","1") = "6"
    & skf21("4","6","3","7","1","6","1","1") = "6"
    & skf21("4","6","3","7","1","6","2","1") = "6"
    & skf21("4","6","3","7","1","6","3","1") = "6"
    & skf21("4","6","3","7","1","6","4","1") = "6"
    & skf21("4","6","3","7","1","6","5","1") = "6"
    & skf21("4","6","3","7","1","6","6","1") = "6"
    & skf21("4","6","3","7","1","6","7","1") = "6"
    & skf21("4","6","3","7","1","7","1","1") = "6"
    & skf21("4","6","3","7","1","7","2","1") = "6"
    & skf21("4","6","3","7","1","7","3","1") = "6"
    & skf21("4","6","3","7","1","7","4","1") = "6"
    & skf21("4","6","3","7","1","7","5","1") = "6"
    & skf21("4","6","3","7","1","7","6","1") = "6"
    & skf21("4","6","3","7","1","7","7","1") = "6"
    & skf21("4","6","3","7","2","1","1","1") = "6"
    & skf21("4","6","3","7","2","1","2","1") = "6"
    & skf21("4","6","3","7","2","1","3","1") = "6"
    & skf21("4","6","3","7","2","1","4","1") = "6"
    & skf21("4","6","3","7","2","1","5","1") = "6"
    & skf21("4","6","3","7","2","1","6","1") = "6"
    & skf21("4","6","3","7","2","1","7","1") = "6"
    & skf21("4","6","3","7","2","2","1","1") = "6"
    & skf21("4","6","3","7","2","2","2","1") = "6"
    & skf21("4","6","3","7","2","2","3","1") = "6"
    & skf21("4","6","3","7","2","2","4","1") = "6"
    & skf21("4","6","3","7","2","2","5","1") = "6"
    & skf21("4","6","3","7","2","2","6","1") = "6"
    & skf21("4","6","3","7","2","2","7","1") = "6"
    & skf21("4","6","3","7","2","3","1","1") = "6"
    & skf21("4","6","3","7","2","3","2","1") = "6"
    & skf21("4","6","3","7","2","3","3","1") = "6"
    & skf21("4","6","3","7","2","3","4","1") = "6"
    & skf21("4","6","3","7","2","3","5","1") = "6"
    & skf21("4","6","3","7","2","3","6","1") = "6"
    & skf21("4","6","3","7","2","3","7","1") = "6"
    & skf21("4","6","3","7","2","4","1","1") = "6"
    & skf21("4","6","3","7","2","4","2","1") = "6"
    & skf21("4","6","3","7","2","4","3","1") = "6"
    & skf21("4","6","3","7","2","4","4","1") = "6"
    & skf21("4","6","3","7","2","4","5","1") = "6"
    & skf21("4","6","3","7","2","4","6","1") = "6"
    & skf21("4","6","3","7","2","4","7","1") = "6"
    & skf21("4","6","3","7","2","5","1","1") = "6"
    & skf21("4","6","3","7","2","5","2","1") = "6"
    & skf21("4","6","3","7","2","5","3","1") = "6"
    & skf21("4","6","3","7","2","5","4","1") = "6"
    & skf21("4","6","3","7","2","5","5","1") = "6"
    & skf21("4","6","3","7","2","5","6","1") = "6"
    & skf21("4","6","3","7","2","5","7","1") = "6"
    & skf21("4","6","3","7","2","6","1","1") = "6"
    & skf21("4","6","3","7","2","6","2","1") = "6"
    & skf21("4","6","3","7","2","6","3","1") = "6"
    & skf21("4","6","3","7","2","6","4","1") = "6"
    & skf21("4","6","3","7","2","6","5","1") = "6"
    & skf21("4","6","3","7","2","6","6","1") = "6"
    & skf21("4","6","3","7","2","6","7","1") = "6"
    & skf21("4","6","3","7","2","7","1","1") = "6"
    & skf21("4","6","3","7","2","7","2","1") = "6"
    & skf21("4","6","3","7","2","7","3","1") = "6"
    & skf21("4","6","3","7","2","7","4","1") = "6"
    & skf21("4","6","3","7","2","7","5","1") = "6"
    & skf21("4","6","3","7","2","7","6","1") = "6"
    & skf21("4","6","3","7","2","7","7","1") = "6"
    & skf21("4","6","3","7","3","1","1","1") = "6"
    & skf21("4","6","3","7","3","1","2","1") = "6"
    & skf21("4","6","3","7","3","1","3","1") = "6"
    & skf21("4","6","3","7","3","1","4","1") = "6"
    & skf21("4","6","3","7","3","1","5","1") = "6"
    & skf21("4","6","3","7","3","1","6","1") = "6"
    & skf21("4","6","3","7","3","1","7","1") = "6"
    & skf21("4","6","3","7","3","2","1","1") = "6"
    & skf21("4","6","3","7","3","2","2","1") = "6"
    & skf21("4","6","3","7","3","2","3","1") = "6"
    & skf21("4","6","3","7","3","2","4","1") = "6"
    & skf21("4","6","3","7","3","2","5","1") = "6"
    & skf21("4","6","3","7","3","2","6","1") = "6"
    & skf21("4","6","3","7","3","2","7","1") = "6"
    & skf21("4","6","3","7","3","3","1","1") = "6"
    & skf21("4","6","3","7","3","3","2","1") = "6"
    & skf21("4","6","3","7","3","3","3","1") = "6"
    & skf21("4","6","3","7","3","3","4","1") = "6"
    & skf21("4","6","3","7","3","3","5","1") = "6"
    & skf21("4","6","3","7","3","3","6","1") = "6"
    & skf21("4","6","3","7","3","3","7","1") = "6"
    & skf21("4","6","3","7","3","4","1","1") = "6"
    & skf21("4","6","3","7","3","4","2","1") = "6"
    & skf21("4","6","3","7","3","4","3","1") = "6"
    & skf21("4","6","3","7","3","4","4","1") = "6"
    & skf21("4","6","3","7","3","4","5","1") = "6"
    & skf21("4","6","3","7","3","4","6","1") = "6"
    & skf21("4","6","3","7","3","4","7","1") = "6"
    & skf21("4","6","3","7","3","5","1","1") = "6"
    & skf21("4","6","3","7","3","5","2","1") = "6"
    & skf21("4","6","3","7","3","5","3","1") = "6"
    & skf21("4","6","3","7","3","5","4","1") = "6"
    & skf21("4","6","3","7","3","5","5","1") = "6"
    & skf21("4","6","3","7","3","5","6","1") = "6"
    & skf21("4","6","3","7","3","5","7","1") = "6"
    & skf21("4","6","3","7","3","6","1","1") = "6"
    & skf21("4","6","3","7","3","6","2","1") = "6"
    & skf21("4","6","3","7","3","6","3","1") = "6"
    & skf21("4","6","3","7","3","6","4","1") = "6"
    & skf21("4","6","3","7","3","6","5","1") = "6"
    & skf21("4","6","3","7","3","6","6","1") = "6"
    & skf21("4","6","3","7","3","6","7","1") = "6"
    & skf21("4","6","3","7","3","7","1","1") = "6"
    & skf21("4","6","3","7","3","7","2","1") = "6"
    & skf21("4","6","3","7","3","7","3","1") = "6"
    & skf21("4","6","3","7","3","7","4","1") = "6"
    & skf21("4","6","3","7","3","7","5","1") = "6"
    & skf21("4","6","3","7","3","7","6","1") = "6"
    & skf21("4","6","3","7","3","7","7","1") = "6"
    & skf21("4","6","3","7","4","1","1","1") = "6"
    & skf21("4","6","3","7","4","1","2","1") = "6"
    & skf21("4","6","3","7","4","1","3","1") = "6"
    & skf21("4","6","3","7","4","1","4","1") = "6"
    & skf21("4","6","3","7","4","1","5","1") = "6"
    & skf21("4","6","3","7","4","1","6","1") = "6"
    & skf21("4","6","3","7","4","1","7","1") = "6"
    & skf21("4","6","3","7","4","2","1","1") = "6"
    & skf21("4","6","3","7","4","2","2","1") = "6"
    & skf21("4","6","3","7","4","2","3","1") = "6"
    & skf21("4","6","3","7","4","2","4","1") = "6"
    & skf21("4","6","3","7","4","2","5","1") = "6"
    & skf21("4","6","3","7","4","2","6","1") = "6"
    & skf21("4","6","3","7","4","2","7","1") = "6"
    & skf21("4","6","3","7","4","3","1","1") = "6"
    & skf21("4","6","3","7","4","3","2","1") = "6"
    & skf21("4","6","3","7","4","3","3","1") = "6"
    & skf21("4","6","3","7","4","3","4","1") = "6"
    & skf21("4","6","3","7","4","3","5","1") = "6"
    & skf21("4","6","3","7","4","3","6","1") = "6"
    & skf21("4","6","3","7","4","3","7","1") = "6"
    & skf21("4","6","3","7","4","4","1","1") = "6"
    & skf21("4","6","3","7","4","4","2","1") = "6"
    & skf21("4","6","3","7","4","4","3","1") = "6"
    & skf21("4","6","3","7","4","4","4","1") = "6"
    & skf21("4","6","3","7","4","4","5","1") = "6"
    & skf21("4","6","3","7","4","4","6","1") = "6"
    & skf21("4","6","3","7","4","4","7","1") = "6"
    & skf21("4","6","3","7","4","5","1","1") = "6"
    & skf21("4","6","3","7","4","5","2","1") = "6"
    & skf21("4","6","3","7","4","5","3","1") = "6"
    & skf21("4","6","3","7","4","5","4","1") = "6"
    & skf21("4","6","3","7","4","5","5","1") = "6"
    & skf21("4","6","3","7","4","5","6","1") = "6"
    & skf21("4","6","3","7","4","5","7","1") = "6"
    & skf21("4","6","3","7","4","6","1","1") = "6"
    & skf21("4","6","3","7","4","6","2","1") = "6"
    & skf21("4","6","3","7","4","6","3","1") = "6"
    & skf21("4","6","3","7","4","6","4","1") = "6"
    & skf21("4","6","3","7","4","6","5","1") = "6"
    & skf21("4","6","3","7","4","6","6","1") = "6"
    & skf21("4","6","3","7","4","6","7","1") = "6"
    & skf21("4","6","3","7","4","7","1","1") = "6"
    & skf21("4","6","3","7","4","7","2","1") = "6"
    & skf21("4","6","3","7","4","7","3","1") = "6"
    & skf21("4","6","3","7","4","7","4","1") = "6"
    & skf21("4","6","3","7","4","7","5","1") = "6"
    & skf21("4","6","3","7","4","7","6","1") = "6"
    & skf21("4","6","3","7","4","7","7","1") = "6"
    & skf21("4","6","3","7","5","1","1","1") = "6"
    & skf21("4","6","3","7","5","1","2","1") = "6"
    & skf21("4","6","3","7","5","1","3","1") = "6"
    & skf21("4","6","3","7","5","1","4","1") = "6"
    & skf21("4","6","3","7","5","1","5","1") = "6"
    & skf21("4","6","3","7","5","1","6","1") = "6"
    & skf21("4","6","3","7","5","1","7","1") = "6"
    & skf21("4","6","3","7","5","2","1","1") = "6"
    & skf21("4","6","3","7","5","2","2","1") = "6"
    & skf21("4","6","3","7","5","2","3","1") = "6"
    & skf21("4","6","3","7","5","2","4","1") = "6"
    & skf21("4","6","3","7","5","2","5","1") = "6"
    & skf21("4","6","3","7","5","2","6","1") = "6"
    & skf21("4","6","3","7","5","2","7","1") = "6"
    & skf21("4","6","3","7","5","3","1","1") = "6"
    & skf21("4","6","3","7","5","3","2","1") = "6"
    & skf21("4","6","3","7","5","3","3","1") = "6"
    & skf21("4","6","3","7","5","3","4","1") = "6"
    & skf21("4","6","3","7","5","3","5","1") = "6"
    & skf21("4","6","3","7","5","3","6","1") = "6"
    & skf21("4","6","3","7","5","3","7","1") = "6"
    & skf21("4","6","3","7","5","4","1","1") = "6"
    & skf21("4","6","3","7","5","4","2","1") = "6"
    & skf21("4","6","3","7","5","4","3","1") = "6"
    & skf21("4","6","3","7","5","4","4","1") = "6"
    & skf21("4","6","3","7","5","4","5","1") = "6"
    & skf21("4","6","3","7","5","4","6","1") = "6"
    & skf21("4","6","3","7","5","4","7","1") = "6"
    & skf21("4","6","3","7","5","5","1","1") = "6"
    & skf21("4","6","3","7","5","5","2","1") = "6"
    & skf21("4","6","3","7","5","5","3","1") = "6"
    & skf21("4","6","3","7","5","5","4","1") = "6"
    & skf21("4","6","3","7","5","5","5","1") = "6"
    & skf21("4","6","3","7","5","5","6","1") = "6"
    & skf21("4","6","3","7","5","5","7","1") = "6"
    & skf21("4","6","3","7","5","6","1","1") = "6"
    & skf21("4","6","3","7","5","6","2","1") = "6"
    & skf21("4","6","3","7","5","6","3","1") = "6"
    & skf21("4","6","3","7","5","6","4","1") = "6"
    & skf21("4","6","3","7","5","6","5","1") = "6"
    & skf21("4","6","3","7","5","6","6","1") = "6"
    & skf21("4","6","3","7","5","6","7","1") = "6"
    & skf21("4","6","3","7","5","7","1","1") = "6"
    & skf21("4","6","3","7","5","7","2","1") = "6"
    & skf21("4","6","3","7","5","7","3","1") = "6"
    & skf21("4","6","3","7","5","7","4","1") = "6"
    & skf21("4","6","3","7","5","7","5","1") = "6"
    & skf21("4","6","3","7","5","7","6","1") = "6"
    & skf21("4","6","3","7","5","7","7","1") = "6"
    & skf21("4","6","3","7","6","1","1","1") = "6"
    & skf21("4","6","3","7","6","1","2","1") = "6"
    & skf21("4","6","3","7","6","1","3","1") = "6"
    & skf21("4","6","3","7","6","1","4","1") = "6"
    & skf21("4","6","3","7","6","1","5","1") = "6"
    & skf21("4","6","3","7","6","1","6","1") = "6"
    & skf21("4","6","3","7","6","1","7","1") = "6"
    & skf21("4","6","3","7","6","2","1","1") = "6"
    & skf21("4","6","3","7","6","2","2","1") = "6"
    & skf21("4","6","3","7","6","2","3","1") = "6"
    & skf21("4","6","3","7","6","2","4","1") = "6"
    & skf21("4","6","3","7","6","2","5","1") = "6"
    & skf21("4","6","3","7","6","2","6","1") = "6"
    & skf21("4","6","3","7","6","2","7","1") = "6"
    & skf21("4","6","3","7","6","3","1","1") = "6"
    & skf21("4","6","3","7","6","3","2","1") = "6"
    & skf21("4","6","3","7","6","3","3","1") = "6"
    & skf21("4","6","3","7","6","3","4","1") = "6"
    & skf21("4","6","3","7","6","3","5","1") = "6"
    & skf21("4","6","3","7","6","3","6","1") = "6"
    & skf21("4","6","3","7","6","3","7","1") = "6"
    & skf21("4","6","3","7","6","4","1","1") = "6"
    & skf21("4","6","3","7","6","4","2","1") = "6"
    & skf21("4","6","3","7","6","4","3","1") = "6"
    & skf21("4","6","3","7","6","4","4","1") = "6"
    & skf21("4","6","3","7","6","4","5","1") = "6"
    & skf21("4","6","3","7","6","4","6","1") = "6"
    & skf21("4","6","3","7","6","4","7","1") = "6"
    & skf21("4","6","3","7","6","5","1","1") = "6"
    & skf21("4","6","3","7","6","5","2","1") = "6"
    & skf21("4","6","3","7","6","5","3","1") = "6"
    & skf21("4","6","3","7","6","5","4","1") = "6"
    & skf21("4","6","3","7","6","5","5","1") = "6"
    & skf21("4","6","3","7","6","5","6","1") = "6"
    & skf21("4","6","3","7","6","5","7","1") = "6"
    & skf21("4","6","3","7","6","6","1","1") = "6"
    & skf21("4","6","3","7","6","6","2","1") = "6"
    & skf21("4","6","3","7","6","6","3","1") = "6"
    & skf21("4","6","3","7","6","6","4","1") = "6"
    & skf21("4","6","3","7","6","6","5","1") = "6"
    & skf21("4","6","3","7","6","6","6","1") = "6"
    & skf21("4","6","3","7","6","6","7","1") = "6"
    & skf21("4","6","3","7","6","7","1","1") = "6"
    & skf21("4","6","3","7","6","7","2","1") = "6"
    & skf21("4","6","3","7","6","7","3","1") = "6"
    & skf21("4","6","3","7","6","7","4","1") = "6"
    & skf21("4","6","3","7","6","7","5","1") = "6"
    & skf21("4","6","3","7","6","7","6","1") = "6"
    & skf21("4","6","3","7","6","7","7","1") = "6"
    & skf21("4","6","3","7","7","1","1","1") = "6"
    & skf21("4","6","3","7","7","1","2","1") = "6"
    & skf21("4","6","3","7","7","1","3","1") = "6"
    & skf21("4","6","3","7","7","1","4","1") = "6"
    & skf21("4","6","3","7","7","1","5","1") = "6"
    & skf21("4","6","3","7","7","1","6","1") = "6"
    & skf21("4","6","3","7","7","1","7","1") = "6"
    & skf21("4","6","3","7","7","2","1","1") = "6"
    & skf21("4","6","3","7","7","2","2","1") = "6"
    & skf21("4","6","3","7","7","2","3","1") = "6"
    & skf21("4","6","3","7","7","2","4","1") = "6"
    & skf21("4","6","3","7","7","2","5","1") = "6"
    & skf21("4","6","3","7","7","2","6","1") = "6"
    & skf21("4","6","3","7","7","2","7","1") = "6"
    & skf21("4","6","3","7","7","3","1","1") = "6"
    & skf21("4","6","3","7","7","3","2","1") = "6"
    & skf21("4","6","3","7","7","3","3","1") = "6"
    & skf21("4","6","3","7","7","3","4","1") = "6"
    & skf21("4","6","3","7","7","3","5","1") = "6"
    & skf21("4","6","3","7","7","3","6","1") = "6"
    & skf21("4","6","3","7","7","3","7","1") = "6"
    & skf21("4","6","3","7","7","4","1","1") = "6"
    & skf21("4","6","3","7","7","4","2","1") = "6"
    & skf21("4","6","3","7","7","4","3","1") = "6"
    & skf21("4","6","3","7","7","4","4","1") = "6"
    & skf21("4","6","3","7","7","4","5","1") = "6"
    & skf21("4","6","3","7","7","4","6","1") = "6"
    & skf21("4","6","3","7","7","4","7","1") = "6"
    & skf21("4","6","3","7","7","5","1","1") = "6"
    & skf21("4","6","3","7","7","5","2","1") = "6"
    & skf21("4","6","3","7","7","5","3","1") = "6"
    & skf21("4","6","3","7","7","5","4","1") = "6"
    & skf21("4","6","3","7","7","5","5","1") = "6"
    & skf21("4","6","3","7","7","5","6","1") = "6"
    & skf21("4","6","3","7","7","5","7","1") = "6"
    & skf21("4","6","3","7","7","6","1","1") = "6"
    & skf21("4","6","3","7","7","6","2","1") = "6"
    & skf21("4","6","3","7","7","6","3","1") = "6"
    & skf21("4","6","3","7","7","6","4","1") = "6"
    & skf21("4","6","3","7","7","6","5","1") = "6"
    & skf21("4","6","3","7","7","6","6","1") = "6"
    & skf21("4","6","3","7","7","6","7","1") = "6"
    & skf21("4","6","3","7","7","7","1","1") = "6"
    & skf21("4","6","3","7","7","7","2","1") = "6"
    & skf21("4","6","3","7","7","7","3","1") = "6"
    & skf21("4","6","3","7","7","7","4","1") = "6"
    & skf21("4","6","3","7","7","7","5","1") = "6"
    & skf21("4","6","3","7","7","7","6","1") = "6"
    & skf21("4","6","3","7","7","7","7","1") = "6"
    & skf21("4","6","4","1","1","1","1","1") = "5"
    & skf21("4","6","4","1","1","1","2","1") = "5"
    & skf21("4","6","4","1","1","1","3","1") = "5"
    & skf21("4","6","4","1","1","1","4","1") = "5"
    & skf21("4","6","4","1","1","1","5","1") = "5"
    & skf21("4","6","4","1","1","1","6","1") = "5"
    & skf21("4","6","4","1","1","1","7","1") = "6"
    & skf21("4","6","4","1","1","2","1","1") = "5"
    & skf21("4","6","4","1","1","2","2","1") = "5"
    & skf21("4","6","4","1","1","2","3","1") = "5"
    & skf21("4","6","4","1","1","2","4","1") = "5"
    & skf21("4","6","4","1","1","2","5","1") = "5"
    & skf21("4","6","4","1","1","2","6","1") = "5"
    & skf21("4","6","4","1","1","2","7","1") = "6"
    & skf21("4","6","4","1","1","3","1","1") = "5"
    & skf21("4","6","4","1","1","3","2","1") = "5"
    & skf21("4","6","4","1","1","3","3","1") = "5"
    & skf21("4","6","4","1","1","3","4","1") = "5"
    & skf21("4","6","4","1","1","3","5","1") = "5"
    & skf21("4","6","4","1","1","3","6","1") = "5"
    & skf21("4","6","4","1","1","3","7","1") = "6"
    & skf21("4","6","4","1","1","4","1","1") = "5"
    & skf21("4","6","4","1","1","4","2","1") = "5"
    & skf21("4","6","4","1","1","4","3","1") = "5"
    & skf21("4","6","4","1","1","4","4","1") = "5"
    & skf21("4","6","4","1","1","4","5","1") = "5"
    & skf21("4","6","4","1","1","4","6","1") = "5"
    & skf21("4","6","4","1","1","4","7","1") = "6"
    & skf21("4","6","4","1","1","5","1","1") = "5"
    & skf21("4","6","4","1","1","5","2","1") = "5"
    & skf21("4","6","4","1","1","5","3","1") = "5"
    & skf21("4","6","4","1","1","5","4","1") = "5"
    & skf21("4","6","4","1","1","5","5","1") = "5"
    & skf21("4","6","4","1","1","5","6","1") = "5"
    & skf21("4","6","4","1","1","5","7","1") = "6"
    & skf21("4","6","4","1","1","6","1","1") = "5"
    & skf21("4","6","4","1","1","6","2","1") = "5"
    & skf21("4","6","4","1","1","6","3","1") = "5"
    & skf21("4","6","4","1","1","6","4","1") = "5"
    & skf21("4","6","4","1","1","6","5","1") = "5"
    & skf21("4","6","4","1","1","6","6","1") = "5"
    & skf21("4","6","4","1","1","6","7","1") = "6"
    & skf21("4","6","4","1","1","7","1","1") = "6"
    & skf21("4","6","4","1","1","7","2","1") = "6"
    & skf21("4","6","4","1","1","7","3","1") = "6"
    & skf21("4","6","4","1","1","7","4","1") = "6"
    & skf21("4","6","4","1","1","7","5","1") = "6"
    & skf21("4","6","4","1","1","7","6","1") = "6"
    & skf21("4","6","4","1","1","7","7","1") = "6"
    & skf21("4","6","4","1","2","1","1","1") = "5"
    & skf21("4","6","4","1","2","1","2","1") = "5"
    & skf21("4","6","4","1","2","1","3","1") = "5"
    & skf21("4","6","4","1","2","1","4","1") = "5"
    & skf21("4","6","4","1","2","1","5","1") = "5"
    & skf21("4","6","4","1","2","1","6","1") = "5"
    & skf21("4","6","4","1","2","1","7","1") = "6"
    & skf21("4","6","4","1","2","2","1","1") = "5"
    & skf21("4","6","4","1","2","2","2","1") = "5"
    & skf21("4","6","4","1","2","2","3","1") = "5"
    & skf21("4","6","4","1","2","2","4","1") = "5"
    & skf21("4","6","4","1","2","2","5","1") = "5"
    & skf21("4","6","4","1","2","2","6","1") = "5"
    & skf21("4","6","4","1","2","2","7","1") = "6"
    & skf21("4","6","4","1","2","3","1","1") = "5"
    & skf21("4","6","4","1","2","3","2","1") = "5"
    & skf21("4","6","4","1","2","3","3","1") = "5"
    & skf21("4","6","4","1","2","3","4","1") = "5"
    & skf21("4","6","4","1","2","3","5","1") = "5"
    & skf21("4","6","4","1","2","3","6","1") = "5"
    & skf21("4","6","4","1","2","3","7","1") = "6"
    & skf21("4","6","4","1","2","4","1","1") = "5"
    & skf21("4","6","4","1","2","4","2","1") = "5"
    & skf21("4","6","4","1","2","4","3","1") = "5"
    & skf21("4","6","4","1","2","4","4","1") = "5"
    & skf21("4","6","4","1","2","4","5","1") = "5"
    & skf21("4","6","4","1","2","4","6","1") = "5"
    & skf21("4","6","4","1","2","4","7","1") = "6"
    & skf21("4","6","4","1","2","5","1","1") = "5"
    & skf21("4","6","4","1","2","5","2","1") = "5"
    & skf21("4","6","4","1","2","5","3","1") = "5"
    & skf21("4","6","4","1","2","5","4","1") = "5"
    & skf21("4","6","4","1","2","5","5","1") = "5"
    & skf21("4","6","4","1","2","5","6","1") = "5"
    & skf21("4","6","4","1","2","5","7","1") = "6"
    & skf21("4","6","4","1","2","6","1","1") = "5"
    & skf21("4","6","4","1","2","6","2","1") = "5"
    & skf21("4","6","4","1","2","6","3","1") = "5"
    & skf21("4","6","4","1","2","6","4","1") = "5"
    & skf21("4","6","4","1","2","6","5","1") = "5"
    & skf21("4","6","4","1","2","6","6","1") = "5"
    & skf21("4","6","4","1","2","6","7","1") = "6"
    & skf21("4","6","4","1","2","7","1","1") = "6"
    & skf21("4","6","4","1","2","7","2","1") = "6"
    & skf21("4","6","4","1","2","7","3","1") = "6"
    & skf21("4","6","4","1","2","7","4","1") = "6"
    & skf21("4","6","4","1","2","7","5","1") = "6"
    & skf21("4","6","4","1","2","7","6","1") = "6"
    & skf21("4","6","4","1","2","7","7","1") = "6"
    & skf21("4","6","4","1","3","1","1","1") = "5"
    & skf21("4","6","4","1","3","1","2","1") = "5"
    & skf21("4","6","4","1","3","1","3","1") = "5"
    & skf21("4","6","4","1","3","1","4","1") = "5"
    & skf21("4","6","4","1","3","1","5","1") = "5"
    & skf21("4","6","4","1","3","1","6","1") = "5"
    & skf21("4","6","4","1","3","1","7","1") = "6"
    & skf21("4","6","4","1","3","2","1","1") = "5"
    & skf21("4","6","4","1","3","2","2","1") = "5"
    & skf21("4","6","4","1","3","2","3","1") = "5"
    & skf21("4","6","4","1","3","2","4","1") = "5"
    & skf21("4","6","4","1","3","2","5","1") = "5"
    & skf21("4","6","4","1","3","2","6","1") = "5"
    & skf21("4","6","4","1","3","2","7","1") = "6"
    & skf21("4","6","4","1","3","3","1","1") = "5"
    & skf21("4","6","4","1","3","3","2","1") = "5"
    & skf21("4","6","4","1","3","3","3","1") = "5"
    & skf21("4","6","4","1","3","3","4","1") = "5"
    & skf21("4","6","4","1","3","3","5","1") = "5"
    & skf21("4","6","4","1","3","3","6","1") = "5"
    & skf21("4","6","4","1","3","3","7","1") = "6"
    & skf21("4","6","4","1","3","4","1","1") = "5"
    & skf21("4","6","4","1","3","4","2","1") = "5"
    & skf21("4","6","4","1","3","4","3","1") = "5"
    & skf21("4","6","4","1","3","4","4","1") = "5"
    & skf21("4","6","4","1","3","4","5","1") = "5"
    & skf21("4","6","4","1","3","4","6","1") = "5"
    & skf21("4","6","4","1","3","4","7","1") = "6"
    & skf21("4","6","4","1","3","5","1","1") = "5"
    & skf21("4","6","4","1","3","5","2","1") = "5"
    & skf21("4","6","4","1","3","5","3","1") = "5"
    & skf21("4","6","4","1","3","5","4","1") = "5"
    & skf21("4","6","4","1","3","5","5","1") = "5"
    & skf21("4","6","4","1","3","5","6","1") = "5"
    & skf21("4","6","4","1","3","5","7","1") = "6"
    & skf21("4","6","4","1","3","6","1","1") = "5"
    & skf21("4","6","4","1","3","6","2","1") = "5"
    & skf21("4","6","4","1","3","6","3","1") = "5"
    & skf21("4","6","4","1","3","6","4","1") = "5"
    & skf21("4","6","4","1","3","6","5","1") = "5"
    & skf21("4","6","4","1","3","6","6","1") = "5"
    & skf21("4","6","4","1","3","6","7","1") = "6"
    & skf21("4","6","4","1","3","7","1","1") = "6"
    & skf21("4","6","4","1","3","7","2","1") = "6"
    & skf21("4","6","4","1","3","7","3","1") = "6"
    & skf21("4","6","4","1","3","7","4","1") = "6"
    & skf21("4","6","4","1","3","7","5","1") = "6"
    & skf21("4","6","4","1","3","7","6","1") = "6"
    & skf21("4","6","4","1","3","7","7","1") = "6"
    & skf21("4","6","4","1","4","1","1","1") = "5"
    & skf21("4","6","4","1","4","1","2","1") = "5"
    & skf21("4","6","4","1","4","1","3","1") = "5"
    & skf21("4","6","4","1","4","1","4","1") = "5"
    & skf21("4","6","4","1","4","1","5","1") = "5"
    & skf21("4","6","4","1","4","1","6","1") = "5"
    & skf21("4","6","4","1","4","1","7","1") = "6"
    & skf21("4","6","4","1","4","2","1","1") = "5"
    & skf21("4","6","4","1","4","2","2","1") = "5"
    & skf21("4","6","4","1","4","2","3","1") = "5"
    & skf21("4","6","4","1","4","2","4","1") = "5"
    & skf21("4","6","4","1","4","2","5","1") = "5"
    & skf21("4","6","4","1","4","2","6","1") = "5"
    & skf21("4","6","4","1","4","2","7","1") = "6"
    & skf21("4","6","4","1","4","3","1","1") = "5"
    & skf21("4","6","4","1","4","3","2","1") = "5"
    & skf21("4","6","4","1","4","3","3","1") = "5"
    & skf21("4","6","4","1","4","3","4","1") = "5"
    & skf21("4","6","4","1","4","3","5","1") = "5"
    & skf21("4","6","4","1","4","3","6","1") = "5"
    & skf21("4","6","4","1","4","3","7","1") = "6"
    & skf21("4","6","4","1","4","4","1","1") = "5"
    & skf21("4","6","4","1","4","4","2","1") = "5"
    & skf21("4","6","4","1","4","4","3","1") = "5"
    & skf21("4","6","4","1","4","4","4","1") = "5"
    & skf21("4","6","4","1","4","4","5","1") = "5"
    & skf21("4","6","4","1","4","4","6","1") = "5"
    & skf21("4","6","4","1","4","4","7","1") = "6"
    & skf21("4","6","4","1","4","5","1","1") = "5"
    & skf21("4","6","4","1","4","5","2","1") = "5"
    & skf21("4","6","4","1","4","5","3","1") = "5"
    & skf21("4","6","4","1","4","5","4","1") = "5"
    & skf21("4","6","4","1","4","5","5","1") = "5"
    & skf21("4","6","4","1","4","5","6","1") = "5"
    & skf21("4","6","4","1","4","5","7","1") = "6"
    & skf21("4","6","4","1","4","6","1","1") = "5"
    & skf21("4","6","4","1","4","6","2","1") = "5"
    & skf21("4","6","4","1","4","6","3","1") = "5"
    & skf21("4","6","4","1","4","6","4","1") = "5"
    & skf21("4","6","4","1","4","6","5","1") = "5"
    & skf21("4","6","4","1","4","6","6","1") = "5"
    & skf21("4","6","4","1","4","6","7","1") = "6"
    & skf21("4","6","4","1","4","7","1","1") = "6"
    & skf21("4","6","4","1","4","7","2","1") = "6"
    & skf21("4","6","4","1","4","7","3","1") = "6"
    & skf21("4","6","4","1","4","7","4","1") = "6"
    & skf21("4","6","4","1","4","7","5","1") = "6"
    & skf21("4","6","4","1","4","7","6","1") = "6"
    & skf21("4","6","4","1","4","7","7","1") = "6"
    & skf21("4","6","4","1","5","1","1","1") = "5"
    & skf21("4","6","4","1","5","1","2","1") = "5"
    & skf21("4","6","4","1","5","1","3","1") = "5"
    & skf21("4","6","4","1","5","1","4","1") = "5"
    & skf21("4","6","4","1","5","1","5","1") = "5"
    & skf21("4","6","4","1","5","1","6","1") = "5"
    & skf21("4","6","4","1","5","1","7","1") = "6"
    & skf21("4","6","4","1","5","2","1","1") = "5"
    & skf21("4","6","4","1","5","2","2","1") = "5"
    & skf21("4","6","4","1","5","2","3","1") = "5"
    & skf21("4","6","4","1","5","2","4","1") = "5"
    & skf21("4","6","4","1","5","2","5","1") = "5"
    & skf21("4","6","4","1","5","2","6","1") = "5"
    & skf21("4","6","4","1","5","2","7","1") = "6"
    & skf21("4","6","4","1","5","3","1","1") = "5"
    & skf21("4","6","4","1","5","3","2","1") = "5"
    & skf21("4","6","4","1","5","3","3","1") = "5"
    & skf21("4","6","4","1","5","3","4","1") = "5"
    & skf21("4","6","4","1","5","3","5","1") = "5"
    & skf21("4","6","4","1","5","3","6","1") = "5"
    & skf21("4","6","4","1","5","3","7","1") = "6"
    & skf21("4","6","4","1","5","4","1","1") = "5"
    & skf21("4","6","4","1","5","4","2","1") = "5"
    & skf21("4","6","4","1","5","4","3","1") = "5"
    & skf21("4","6","4","1","5","4","4","1") = "5"
    & skf21("4","6","4","1","5","4","5","1") = "5"
    & skf21("4","6","4","1","5","4","6","1") = "5"
    & skf21("4","6","4","1","5","4","7","1") = "6"
    & skf21("4","6","4","1","5","5","1","1") = "5"
    & skf21("4","6","4","1","5","5","2","1") = "5"
    & skf21("4","6","4","1","5","5","3","1") = "5"
    & skf21("4","6","4","1","5","5","4","1") = "5"
    & skf21("4","6","4","1","5","5","5","1") = "5"
    & skf21("4","6","4","1","5","5","6","1") = "5"
    & skf21("4","6","4","1","5","5","7","1") = "6"
    & skf21("4","6","4","1","5","6","1","1") = "5"
    & skf21("4","6","4","1","5","6","2","1") = "5"
    & skf21("4","6","4","1","5","6","3","1") = "5"
    & skf21("4","6","4","1","5","6","4","1") = "5"
    & skf21("4","6","4","1","5","6","5","1") = "5"
    & skf21("4","6","4","1","5","6","6","1") = "5"
    & skf21("4","6","4","1","5","6","7","1") = "6"
    & skf21("4","6","4","1","5","7","1","1") = "6"
    & skf21("4","6","4","1","5","7","2","1") = "6"
    & skf21("4","6","4","1","5","7","3","1") = "6"
    & skf21("4","6","4","1","5","7","4","1") = "6"
    & skf21("4","6","4","1","5","7","5","1") = "6"
    & skf21("4","6","4","1","5","7","6","1") = "6"
    & skf21("4","6","4","1","5","7","7","1") = "6"
    & skf21("4","6","4","1","6","1","1","1") = "5"
    & skf21("4","6","4","1","6","1","2","1") = "5"
    & skf21("4","6","4","1","6","1","3","1") = "5"
    & skf21("4","6","4","1","6","1","4","1") = "5"
    & skf21("4","6","4","1","6","1","5","1") = "5"
    & skf21("4","6","4","1","6","1","6","1") = "5"
    & skf21("4","6","4","1","6","1","7","1") = "6"
    & skf21("4","6","4","1","6","2","1","1") = "5"
    & skf21("4","6","4","1","6","2","2","1") = "5"
    & skf21("4","6","4","1","6","2","3","1") = "5"
    & skf21("4","6","4","1","6","2","4","1") = "5"
    & skf21("4","6","4","1","6","2","5","1") = "5"
    & skf21("4","6","4","1","6","2","6","1") = "5"
    & skf21("4","6","4","1","6","2","7","1") = "6"
    & skf21("4","6","4","1","6","3","1","1") = "5"
    & skf21("4","6","4","1","6","3","2","1") = "5"
    & skf21("4","6","4","1","6","3","3","1") = "5"
    & skf21("4","6","4","1","6","3","4","1") = "5"
    & skf21("4","6","4","1","6","3","5","1") = "5"
    & skf21("4","6","4","1","6","3","6","1") = "5"
    & skf21("4","6","4","1","6","3","7","1") = "6"
    & skf21("4","6","4","1","6","4","1","1") = "5"
    & skf21("4","6","4","1","6","4","2","1") = "5"
    & skf21("4","6","4","1","6","4","3","1") = "5"
    & skf21("4","6","4","1","6","4","4","1") = "5"
    & skf21("4","6","4","1","6","4","5","1") = "5"
    & skf21("4","6","4","1","6","4","6","1") = "5"
    & skf21("4","6","4","1","6","4","7","1") = "6"
    & skf21("4","6","4","1","6","5","1","1") = "5"
    & skf21("4","6","4","1","6","5","2","1") = "5"
    & skf21("4","6","4","1","6","5","3","1") = "5"
    & skf21("4","6","4","1","6","5","4","1") = "5"
    & skf21("4","6","4","1","6","5","5","1") = "5"
    & skf21("4","6","4","1","6","5","6","1") = "5"
    & skf21("4","6","4","1","6","5","7","1") = "6"
    & skf21("4","6","4","1","6","6","1","1") = "5"
    & skf21("4","6","4","1","6","6","2","1") = "5"
    & skf21("4","6","4","1","6","6","3","1") = "5"
    & skf21("4","6","4","1","6","6","4","1") = "5"
    & skf21("4","6","4","1","6","6","5","1") = "5"
    & skf21("4","6","4","1","6","6","6","1") = "5"
    & skf21("4","6","4","1","6","6","7","1") = "6"
    & skf21("4","6","4","1","6","7","1","1") = "6"
    & skf21("4","6","4","1","6","7","2","1") = "6"
    & skf21("4","6","4","1","6","7","3","1") = "6"
    & skf21("4","6","4","1","6","7","4","1") = "6"
    & skf21("4","6","4","1","6","7","5","1") = "6"
    & skf21("4","6","4","1","6","7","6","1") = "6"
    & skf21("4","6","4","1","6","7","7","1") = "6"
    & skf21("4","6","4","1","7","1","1","1") = "6"
    & skf21("4","6","4","1","7","1","2","1") = "6"
    & skf21("4","6","4","1","7","1","3","1") = "6"
    & skf21("4","6","4","1","7","1","4","1") = "6"
    & skf21("4","6","4","1","7","1","5","1") = "6"
    & skf21("4","6","4","1","7","1","6","1") = "6"
    & skf21("4","6","4","1","7","1","7","1") = "6"
    & skf21("4","6","4","1","7","2","1","1") = "6"
    & skf21("4","6","4","1","7","2","2","1") = "6"
    & skf21("4","6","4","1","7","2","3","1") = "6"
    & skf21("4","6","4","1","7","2","4","1") = "6"
    & skf21("4","6","4","1","7","2","5","1") = "6"
    & skf21("4","6","4","1","7","2","6","1") = "6"
    & skf21("4","6","4","1","7","2","7","1") = "6"
    & skf21("4","6","4","1","7","3","1","1") = "6"
    & skf21("4","6","4","1","7","3","2","1") = "6"
    & skf21("4","6","4","1","7","3","3","1") = "6"
    & skf21("4","6","4","1","7","3","4","1") = "6"
    & skf21("4","6","4","1","7","3","5","1") = "6"
    & skf21("4","6","4","1","7","3","6","1") = "6"
    & skf21("4","6","4","1","7","3","7","1") = "6"
    & skf21("4","6","4","1","7","4","1","1") = "6"
    & skf21("4","6","4","1","7","4","2","1") = "6"
    & skf21("4","6","4","1","7","4","3","1") = "6"
    & skf21("4","6","4","1","7","4","4","1") = "6"
    & skf21("4","6","4","1","7","4","5","1") = "6"
    & skf21("4","6","4","1","7","4","6","1") = "6"
    & skf21("4","6","4","1","7","4","7","1") = "6"
    & skf21("4","6","4","1","7","5","1","1") = "6"
    & skf21("4","6","4","1","7","5","2","1") = "6"
    & skf21("4","6","4","1","7","5","3","1") = "6"
    & skf21("4","6","4","1","7","5","4","1") = "6"
    & skf21("4","6","4","1","7","5","5","1") = "6"
    & skf21("4","6","4","1","7","5","6","1") = "6"
    & skf21("4","6","4","1","7","5","7","1") = "6"
    & skf21("4","6","4","1","7","6","1","1") = "6"
    & skf21("4","6","4","1","7","6","2","1") = "6"
    & skf21("4","6","4","1","7","6","3","1") = "6"
    & skf21("4","6","4","1","7","6","4","1") = "6"
    & skf21("4","6","4","1","7","6","5","1") = "6"
    & skf21("4","6","4","1","7","6","6","1") = "6"
    & skf21("4","6","4","1","7","6","7","1") = "6"
    & skf21("4","6","4","1","7","7","1","1") = "6"
    & skf21("4","6","4","1","7","7","2","1") = "6"
    & skf21("4","6","4","1","7","7","3","1") = "6"
    & skf21("4","6","4","1","7","7","4","1") = "6"
    & skf21("4","6","4","1","7","7","5","1") = "6"
    & skf21("4","6","4","1","7","7","6","1") = "6"
    & skf21("4","6","4","1","7","7","7","1") = "6"
    & skf21("4","6","4","2","1","1","1","1") = "5"
    & skf21("4","6","4","2","1","1","2","1") = "5"
    & skf21("4","6","4","2","1","1","3","1") = "5"
    & skf21("4","6","4","2","1","1","4","1") = "5"
    & skf21("4","6","4","2","1","1","5","1") = "5"
    & skf21("4","6","4","2","1","1","6","1") = "5"
    & skf21("4","6","4","2","1","1","7","1") = "6"
    & skf21("4","6","4","2","1","2","1","1") = "5"
    & skf21("4","6","4","2","1","2","2","1") = "5"
    & skf21("4","6","4","2","1","2","3","1") = "5"
    & skf21("4","6","4","2","1","2","4","1") = "5"
    & skf21("4","6","4","2","1","2","5","1") = "5"
    & skf21("4","6","4","2","1","2","6","1") = "5"
    & skf21("4","6","4","2","1","2","7","1") = "6"
    & skf21("4","6","4","2","1","3","1","1") = "5"
    & skf21("4","6","4","2","1","3","2","1") = "5"
    & skf21("4","6","4","2","1","3","3","1") = "5"
    & skf21("4","6","4","2","1","3","4","1") = "5"
    & skf21("4","6","4","2","1","3","5","1") = "5"
    & skf21("4","6","4","2","1","3","6","1") = "5"
    & skf21("4","6","4","2","1","3","7","1") = "6"
    & skf21("4","6","4","2","1","4","1","1") = "5"
    & skf21("4","6","4","2","1","4","2","1") = "5"
    & skf21("4","6","4","2","1","4","3","1") = "5"
    & skf21("4","6","4","2","1","4","4","1") = "5"
    & skf21("4","6","4","2","1","4","5","1") = "5"
    & skf21("4","6","4","2","1","4","6","1") = "5"
    & skf21("4","6","4","2","1","4","7","1") = "6"
    & skf21("4","6","4","2","1","5","1","1") = "5"
    & skf21("4","6","4","2","1","5","2","1") = "5"
    & skf21("4","6","4","2","1","5","3","1") = "5"
    & skf21("4","6","4","2","1","5","4","1") = "5"
    & skf21("4","6","4","2","1","5","5","1") = "5"
    & skf21("4","6","4","2","1","5","6","1") = "5"
    & skf21("4","6","4","2","1","5","7","1") = "6"
    & skf21("4","6","4","2","1","6","1","1") = "5"
    & skf21("4","6","4","2","1","6","2","1") = "5"
    & skf21("4","6","4","2","1","6","3","1") = "5"
    & skf21("4","6","4","2","1","6","4","1") = "5"
    & skf21("4","6","4","2","1","6","5","1") = "5"
    & skf21("4","6","4","2","1","6","6","1") = "5"
    & skf21("4","6","4","2","1","6","7","1") = "6"
    & skf21("4","6","4","2","1","7","1","1") = "6"
    & skf21("4","6","4","2","1","7","2","1") = "6"
    & skf21("4","6","4","2","1","7","3","1") = "6"
    & skf21("4","6","4","2","1","7","4","1") = "6"
    & skf21("4","6","4","2","1","7","5","1") = "6"
    & skf21("4","6","4","2","1","7","6","1") = "6"
    & skf21("4","6","4","2","1","7","7","1") = "6"
    & skf21("4","6","4","2","2","1","1","1") = "5"
    & skf21("4","6","4","2","2","1","2","1") = "5"
    & skf21("4","6","4","2","2","1","3","1") = "5"
    & skf21("4","6","4","2","2","1","4","1") = "5"
    & skf21("4","6","4","2","2","1","5","1") = "5"
    & skf21("4","6","4","2","2","1","6","1") = "5"
    & skf21("4","6","4","2","2","1","7","1") = "6"
    & skf21("4","6","4","2","2","2","1","1") = "5"
    & skf21("4","6","4","2","2","2","2","1") = "5"
    & skf21("4","6","4","2","2","2","3","1") = "5"
    & skf21("4","6","4","2","2","2","4","1") = "5"
    & skf21("4","6","4","2","2","2","5","1") = "5"
    & skf21("4","6","4","2","2","2","6","1") = "5"
    & skf21("4","6","4","2","2","2","7","1") = "6"
    & skf21("4","6","4","2","2","3","1","1") = "5"
    & skf21("4","6","4","2","2","3","2","1") = "5"
    & skf21("4","6","4","2","2","3","3","1") = "5"
    & skf21("4","6","4","2","2","3","4","1") = "5"
    & skf21("4","6","4","2","2","3","5","1") = "5"
    & skf21("4","6","4","2","2","3","6","1") = "5"
    & skf21("4","6","4","2","2","3","7","1") = "6"
    & skf21("4","6","4","2","2","4","1","1") = "5"
    & skf21("4","6","4","2","2","4","2","1") = "5"
    & skf21("4","6","4","2","2","4","3","1") = "5"
    & skf21("4","6","4","2","2","4","4","1") = "5"
    & skf21("4","6","4","2","2","4","5","1") = "5"
    & skf21("4","6","4","2","2","4","6","1") = "5"
    & skf21("4","6","4","2","2","4","7","1") = "6"
    & skf21("4","6","4","2","2","5","1","1") = "5"
    & skf21("4","6","4","2","2","5","2","1") = "5"
    & skf21("4","6","4","2","2","5","3","1") = "5"
    & skf21("4","6","4","2","2","5","4","1") = "5"
    & skf21("4","6","4","2","2","5","5","1") = "5"
    & skf21("4","6","4","2","2","5","6","1") = "5"
    & skf21("4","6","4","2","2","5","7","1") = "6"
    & skf21("4","6","4","2","2","6","1","1") = "5"
    & skf21("4","6","4","2","2","6","2","1") = "5"
    & skf21("4","6","4","2","2","6","3","1") = "5"
    & skf21("4","6","4","2","2","6","4","1") = "5"
    & skf21("4","6","4","2","2","6","5","1") = "5"
    & skf21("4","6","4","2","2","6","6","1") = "5"
    & skf21("4","6","4","2","2","6","7","1") = "6"
    & skf21("4","6","4","2","2","7","1","1") = "6"
    & skf21("4","6","4","2","2","7","2","1") = "6"
    & skf21("4","6","4","2","2","7","3","1") = "6"
    & skf21("4","6","4","2","2","7","4","1") = "6"
    & skf21("4","6","4","2","2","7","5","1") = "6"
    & skf21("4","6","4","2","2","7","6","1") = "6"
    & skf21("4","6","4","2","2","7","7","1") = "6"
    & skf21("4","6","4","2","3","1","1","1") = "5"
    & skf21("4","6","4","2","3","1","2","1") = "5"
    & skf21("4","6","4","2","3","1","3","1") = "5"
    & skf21("4","6","4","2","3","1","4","1") = "5"
    & skf21("4","6","4","2","3","1","5","1") = "5"
    & skf21("4","6","4","2","3","1","6","1") = "5"
    & skf21("4","6","4","2","3","1","7","1") = "6"
    & skf21("4","6","4","2","3","2","1","1") = "5"
    & skf21("4","6","4","2","3","2","2","1") = "5"
    & skf21("4","6","4","2","3","2","3","1") = "5"
    & skf21("4","6","4","2","3","2","4","1") = "5"
    & skf21("4","6","4","2","3","2","5","1") = "5"
    & skf21("4","6","4","2","3","2","6","1") = "5"
    & skf21("4","6","4","2","3","2","7","1") = "6"
    & skf21("4","6","4","2","3","3","1","1") = "5"
    & skf21("4","6","4","2","3","3","2","1") = "5"
    & skf21("4","6","4","2","3","3","3","1") = "5"
    & skf21("4","6","4","2","3","3","4","1") = "5"
    & skf21("4","6","4","2","3","3","5","1") = "5"
    & skf21("4","6","4","2","3","3","6","1") = "5"
    & skf21("4","6","4","2","3","3","7","1") = "6"
    & skf21("4","6","4","2","3","4","1","1") = "5"
    & skf21("4","6","4","2","3","4","2","1") = "5"
    & skf21("4","6","4","2","3","4","3","1") = "5"
    & skf21("4","6","4","2","3","4","4","1") = "5"
    & skf21("4","6","4","2","3","4","5","1") = "5"
    & skf21("4","6","4","2","3","4","6","1") = "5"
    & skf21("4","6","4","2","3","4","7","1") = "6"
    & skf21("4","6","4","2","3","5","1","1") = "5"
    & skf21("4","6","4","2","3","5","2","1") = "5"
    & skf21("4","6","4","2","3","5","3","1") = "5"
    & skf21("4","6","4","2","3","5","4","1") = "5"
    & skf21("4","6","4","2","3","5","5","1") = "5"
    & skf21("4","6","4","2","3","5","6","1") = "5"
    & skf21("4","6","4","2","3","5","7","1") = "6"
    & skf21("4","6","4","2","3","6","1","1") = "5"
    & skf21("4","6","4","2","3","6","2","1") = "5"
    & skf21("4","6","4","2","3","6","3","1") = "5"
    & skf21("4","6","4","2","3","6","4","1") = "5"
    & skf21("4","6","4","2","3","6","5","1") = "5"
    & skf21("4","6","4","2","3","6","6","1") = "5"
    & skf21("4","6","4","2","3","6","7","1") = "6"
    & skf21("4","6","4","2","3","7","1","1") = "6"
    & skf21("4","6","4","2","3","7","2","1") = "6"
    & skf21("4","6","4","2","3","7","3","1") = "6"
    & skf21("4","6","4","2","3","7","4","1") = "6"
    & skf21("4","6","4","2","3","7","5","1") = "6"
    & skf21("4","6","4","2","3","7","6","1") = "6"
    & skf21("4","6","4","2","3","7","7","1") = "6"
    & skf21("4","6","4","2","4","1","1","1") = "5"
    & skf21("4","6","4","2","4","1","2","1") = "5"
    & skf21("4","6","4","2","4","1","3","1") = "5"
    & skf21("4","6","4","2","4","1","4","1") = "5"
    & skf21("4","6","4","2","4","1","5","1") = "5"
    & skf21("4","6","4","2","4","1","6","1") = "5"
    & skf21("4","6","4","2","4","1","7","1") = "6"
    & skf21("4","6","4","2","4","2","1","1") = "5"
    & skf21("4","6","4","2","4","2","2","1") = "5"
    & skf21("4","6","4","2","4","2","3","1") = "5"
    & skf21("4","6","4","2","4","2","4","1") = "5"
    & skf21("4","6","4","2","4","2","5","1") = "5"
    & skf21("4","6","4","2","4","2","6","1") = "5"
    & skf21("4","6","4","2","4","2","7","1") = "6"
    & skf21("4","6","4","2","4","3","1","1") = "5"
    & skf21("4","6","4","2","4","3","2","1") = "5"
    & skf21("4","6","4","2","4","3","3","1") = "5"
    & skf21("4","6","4","2","4","3","4","1") = "5"
    & skf21("4","6","4","2","4","3","5","1") = "5"
    & skf21("4","6","4","2","4","3","6","1") = "5"
    & skf21("4","6","4","2","4","3","7","1") = "6"
    & skf21("4","6","4","2","4","4","1","1") = "5"
    & skf21("4","6","4","2","4","4","2","1") = "5"
    & skf21("4","6","4","2","4","4","3","1") = "5"
    & skf21("4","6","4","2","4","4","4","1") = "5"
    & skf21("4","6","4","2","4","4","5","1") = "5"
    & skf21("4","6","4","2","4","4","6","1") = "5"
    & skf21("4","6","4","2","4","4","7","1") = "6"
    & skf21("4","6","4","2","4","5","1","1") = "5"
    & skf21("4","6","4","2","4","5","2","1") = "5"
    & skf21("4","6","4","2","4","5","3","1") = "5"
    & skf21("4","6","4","2","4","5","4","1") = "5"
    & skf21("4","6","4","2","4","5","5","1") = "5"
    & skf21("4","6","4","2","4","5","6","1") = "5"
    & skf21("4","6","4","2","4","5","7","1") = "6"
    & skf21("4","6","4","2","4","6","1","1") = "5"
    & skf21("4","6","4","2","4","6","2","1") = "5"
    & skf21("4","6","4","2","4","6","3","1") = "5"
    & skf21("4","6","4","2","4","6","4","1") = "5"
    & skf21("4","6","4","2","4","6","5","1") = "5"
    & skf21("4","6","4","2","4","6","6","1") = "5"
    & skf21("4","6","4","2","4","6","7","1") = "6"
    & skf21("4","6","4","2","4","7","1","1") = "6"
    & skf21("4","6","4","2","4","7","2","1") = "6"
    & skf21("4","6","4","2","4","7","3","1") = "6"
    & skf21("4","6","4","2","4","7","4","1") = "6"
    & skf21("4","6","4","2","4","7","5","1") = "6"
    & skf21("4","6","4","2","4","7","6","1") = "6"
    & skf21("4","6","4","2","4","7","7","1") = "6"
    & skf21("4","6","4","2","5","1","1","1") = "5"
    & skf21("4","6","4","2","5","1","2","1") = "5"
    & skf21("4","6","4","2","5","1","3","1") = "5"
    & skf21("4","6","4","2","5","1","4","1") = "5"
    & skf21("4","6","4","2","5","1","5","1") = "5"
    & skf21("4","6","4","2","5","1","6","1") = "5"
    & skf21("4","6","4","2","5","1","7","1") = "6"
    & skf21("4","6","4","2","5","2","1","1") = "5"
    & skf21("4","6","4","2","5","2","2","1") = "5"
    & skf21("4","6","4","2","5","2","3","1") = "5"
    & skf21("4","6","4","2","5","2","4","1") = "5"
    & skf21("4","6","4","2","5","2","5","1") = "5"
    & skf21("4","6","4","2","5","2","6","1") = "5"
    & skf21("4","6","4","2","5","2","7","1") = "6"
    & skf21("4","6","4","2","5","3","1","1") = "5"
    & skf21("4","6","4","2","5","3","2","1") = "5"
    & skf21("4","6","4","2","5","3","3","1") = "5"
    & skf21("4","6","4","2","5","3","4","1") = "5"
    & skf21("4","6","4","2","5","3","5","1") = "5"
    & skf21("4","6","4","2","5","3","6","1") = "5"
    & skf21("4","6","4","2","5","3","7","1") = "6"
    & skf21("4","6","4","2","5","4","1","1") = "5"
    & skf21("4","6","4","2","5","4","2","1") = "5"
    & skf21("4","6","4","2","5","4","3","1") = "5"
    & skf21("4","6","4","2","5","4","4","1") = "5"
    & skf21("4","6","4","2","5","4","5","1") = "5"
    & skf21("4","6","4","2","5","4","6","1") = "5"
    & skf21("4","6","4","2","5","4","7","1") = "6"
    & skf21("4","6","4","2","5","5","1","1") = "5"
    & skf21("4","6","4","2","5","5","2","1") = "5"
    & skf21("4","6","4","2","5","5","3","1") = "5"
    & skf21("4","6","4","2","5","5","4","1") = "5"
    & skf21("4","6","4","2","5","5","5","1") = "5"
    & skf21("4","6","4","2","5","5","6","1") = "5"
    & skf21("4","6","4","2","5","5","7","1") = "6"
    & skf21("4","6","4","2","5","6","1","1") = "5"
    & skf21("4","6","4","2","5","6","2","1") = "5"
    & skf21("4","6","4","2","5","6","3","1") = "5"
    & skf21("4","6","4","2","5","6","4","1") = "5"
    & skf21("4","6","4","2","5","6","5","1") = "5"
    & skf21("4","6","4","2","5","6","6","1") = "5"
    & skf21("4","6","4","2","5","6","7","1") = "6"
    & skf21("4","6","4","2","5","7","1","1") = "6"
    & skf21("4","6","4","2","5","7","2","1") = "6"
    & skf21("4","6","4","2","5","7","3","1") = "6"
    & skf21("4","6","4","2","5","7","4","1") = "6"
    & skf21("4","6","4","2","5","7","5","1") = "6"
    & skf21("4","6","4","2","5","7","6","1") = "6"
    & skf21("4","6","4","2","5","7","7","1") = "6"
    & skf21("4","6","4","2","6","1","1","1") = "5"
    & skf21("4","6","4","2","6","1","2","1") = "5"
    & skf21("4","6","4","2","6","1","3","1") = "5"
    & skf21("4","6","4","2","6","1","4","1") = "5"
    & skf21("4","6","4","2","6","1","5","1") = "5"
    & skf21("4","6","4","2","6","1","6","1") = "5"
    & skf21("4","6","4","2","6","1","7","1") = "6"
    & skf21("4","6","4","2","6","2","1","1") = "5"
    & skf21("4","6","4","2","6","2","2","1") = "5"
    & skf21("4","6","4","2","6","2","3","1") = "5"
    & skf21("4","6","4","2","6","2","4","1") = "5"
    & skf21("4","6","4","2","6","2","5","1") = "5"
    & skf21("4","6","4","2","6","2","6","1") = "5"
    & skf21("4","6","4","2","6","2","7","1") = "6"
    & skf21("4","6","4","2","6","3","1","1") = "5"
    & skf21("4","6","4","2","6","3","2","1") = "5"
    & skf21("4","6","4","2","6","3","3","1") = "5"
    & skf21("4","6","4","2","6","3","4","1") = "5"
    & skf21("4","6","4","2","6","3","5","1") = "5"
    & skf21("4","6","4","2","6","3","6","1") = "5"
    & skf21("4","6","4","2","6","3","7","1") = "6"
    & skf21("4","6","4","2","6","4","1","1") = "5"
    & skf21("4","6","4","2","6","4","2","1") = "5"
    & skf21("4","6","4","2","6","4","3","1") = "5"
    & skf21("4","6","4","2","6","4","4","1") = "5"
    & skf21("4","6","4","2","6","4","5","1") = "5"
    & skf21("4","6","4","2","6","4","6","1") = "5"
    & skf21("4","6","4","2","6","4","7","1") = "6"
    & skf21("4","6","4","2","6","5","1","1") = "5"
    & skf21("4","6","4","2","6","5","2","1") = "5"
    & skf21("4","6","4","2","6","5","3","1") = "5"
    & skf21("4","6","4","2","6","5","4","1") = "5"
    & skf21("4","6","4","2","6","5","5","1") = "5"
    & skf21("4","6","4","2","6","5","6","1") = "5"
    & skf21("4","6","4","2","6","5","7","1") = "6"
    & skf21("4","6","4","2","6","6","1","1") = "5"
    & skf21("4","6","4","2","6","6","2","1") = "5"
    & skf21("4","6","4","2","6","6","3","1") = "5"
    & skf21("4","6","4","2","6","6","4","1") = "5"
    & skf21("4","6","4","2","6","6","5","1") = "5"
    & skf21("4","6","4","2","6","6","6","1") = "5"
    & skf21("4","6","4","2","6","6","7","1") = "6"
    & skf21("4","6","4","2","6","7","1","1") = "6"
    & skf21("4","6","4","2","6","7","2","1") = "6"
    & skf21("4","6","4","2","6","7","3","1") = "6"
    & skf21("4","6","4","2","6","7","4","1") = "6"
    & skf21("4","6","4","2","6","7","5","1") = "6"
    & skf21("4","6","4","2","6","7","6","1") = "6"
    & skf21("4","6","4","2","6","7","7","1") = "6"
    & skf21("4","6","4","2","7","1","1","1") = "6"
    & skf21("4","6","4","2","7","1","2","1") = "6"
    & skf21("4","6","4","2","7","1","3","1") = "6"
    & skf21("4","6","4","2","7","1","4","1") = "6"
    & skf21("4","6","4","2","7","1","5","1") = "6"
    & skf21("4","6","4","2","7","1","6","1") = "6"
    & skf21("4","6","4","2","7","1","7","1") = "6"
    & skf21("4","6","4","2","7","2","1","1") = "6"
    & skf21("4","6","4","2","7","2","2","1") = "6"
    & skf21("4","6","4","2","7","2","3","1") = "6"
    & skf21("4","6","4","2","7","2","4","1") = "6"
    & skf21("4","6","4","2","7","2","5","1") = "6"
    & skf21("4","6","4","2","7","2","6","1") = "6"
    & skf21("4","6","4","2","7","2","7","1") = "6"
    & skf21("4","6","4","2","7","3","1","1") = "6"
    & skf21("4","6","4","2","7","3","2","1") = "6"
    & skf21("4","6","4","2","7","3","3","1") = "6"
    & skf21("4","6","4","2","7","3","4","1") = "6"
    & skf21("4","6","4","2","7","3","5","1") = "6"
    & skf21("4","6","4","2","7","3","6","1") = "6"
    & skf21("4","6","4","2","7","3","7","1") = "6"
    & skf21("4","6","4","2","7","4","1","1") = "6"
    & skf21("4","6","4","2","7","4","2","1") = "6"
    & skf21("4","6","4","2","7","4","3","1") = "6"
    & skf21("4","6","4","2","7","4","4","1") = "6"
    & skf21("4","6","4","2","7","4","5","1") = "6"
    & skf21("4","6","4","2","7","4","6","1") = "6"
    & skf21("4","6","4","2","7","4","7","1") = "6"
    & skf21("4","6","4","2","7","5","1","1") = "6"
    & skf21("4","6","4","2","7","5","2","1") = "6"
    & skf21("4","6","4","2","7","5","3","1") = "6"
    & skf21("4","6","4","2","7","5","4","1") = "6"
    & skf21("4","6","4","2","7","5","5","1") = "6"
    & skf21("4","6","4","2","7","5","6","1") = "6"
    & skf21("4","6","4","2","7","5","7","1") = "6"
    & skf21("4","6","4","2","7","6","1","1") = "6"
    & skf21("4","6","4","2","7","6","2","1") = "6"
    & skf21("4","6","4","2","7","6","3","1") = "6"
    & skf21("4","6","4","2","7","6","4","1") = "6"
    & skf21("4","6","4","2","7","6","5","1") = "6"
    & skf21("4","6","4","2","7","6","6","1") = "6"
    & skf21("4","6","4","2","7","6","7","1") = "6"
    & skf21("4","6","4","2","7","7","1","1") = "6"
    & skf21("4","6","4","2","7","7","2","1") = "6"
    & skf21("4","6","4","2","7","7","3","1") = "6"
    & skf21("4","6","4","2","7","7","4","1") = "6"
    & skf21("4","6","4","2","7","7","5","1") = "6"
    & skf21("4","6","4","2","7","7","6","1") = "6"
    & skf21("4","6","4","2","7","7","7","1") = "6"
    & skf21("4","6","4","3","1","1","1","1") = "5"
    & skf21("4","6","4","3","1","1","2","1") = "5"
    & skf21("4","6","4","3","1","1","3","1") = "5"
    & skf21("4","6","4","3","1","1","4","1") = "5"
    & skf21("4","6","4","3","1","1","5","1") = "5"
    & skf21("4","6","4","3","1","1","6","1") = "5"
    & skf21("4","6","4","3","1","1","7","1") = "6"
    & skf21("4","6","4","3","1","2","1","1") = "5"
    & skf21("4","6","4","3","1","2","2","1") = "5"
    & skf21("4","6","4","3","1","2","3","1") = "5"
    & skf21("4","6","4","3","1","2","4","1") = "5"
    & skf21("4","6","4","3","1","2","5","1") = "5"
    & skf21("4","6","4","3","1","2","6","1") = "5"
    & skf21("4","6","4","3","1","2","7","1") = "6"
    & skf21("4","6","4","3","1","3","1","1") = "5"
    & skf21("4","6","4","3","1","3","2","1") = "5"
    & skf21("4","6","4","3","1","3","3","1") = "5"
    & skf21("4","6","4","3","1","3","4","1") = "5"
    & skf21("4","6","4","3","1","3","5","1") = "5"
    & skf21("4","6","4","3","1","3","6","1") = "5"
    & skf21("4","6","4","3","1","3","7","1") = "6"
    & skf21("4","6","4","3","1","4","1","1") = "5"
    & skf21("4","6","4","3","1","4","2","1") = "5"
    & skf21("4","6","4","3","1","4","3","1") = "5"
    & skf21("4","6","4","3","1","4","4","1") = "5"
    & skf21("4","6","4","3","1","4","5","1") = "5"
    & skf21("4","6","4","3","1","4","6","1") = "5"
    & skf21("4","6","4","3","1","4","7","1") = "6"
    & skf21("4","6","4","3","1","5","1","1") = "5"
    & skf21("4","6","4","3","1","5","2","1") = "5"
    & skf21("4","6","4","3","1","5","3","1") = "5"
    & skf21("4","6","4","3","1","5","4","1") = "5"
    & skf21("4","6","4","3","1","5","5","1") = "5"
    & skf21("4","6","4","3","1","5","6","1") = "5"
    & skf21("4","6","4","3","1","5","7","1") = "6"
    & skf21("4","6","4","3","1","6","1","1") = "5"
    & skf21("4","6","4","3","1","6","2","1") = "5"
    & skf21("4","6","4","3","1","6","3","1") = "5"
    & skf21("4","6","4","3","1","6","4","1") = "5"
    & skf21("4","6","4","3","1","6","5","1") = "5"
    & skf21("4","6","4","3","1","6","6","1") = "5"
    & skf21("4","6","4","3","1","6","7","1") = "6"
    & skf21("4","6","4","3","1","7","1","1") = "6"
    & skf21("4","6","4","3","1","7","2","1") = "6"
    & skf21("4","6","4","3","1","7","3","1") = "6"
    & skf21("4","6","4","3","1","7","4","1") = "6"
    & skf21("4","6","4","3","1","7","5","1") = "6"
    & skf21("4","6","4","3","1","7","6","1") = "6"
    & skf21("4","6","4","3","1","7","7","1") = "6"
    & skf21("4","6","4","3","2","1","1","1") = "5"
    & skf21("4","6","4","3","2","1","2","1") = "5"
    & skf21("4","6","4","3","2","1","3","1") = "5"
    & skf21("4","6","4","3","2","1","4","1") = "5"
    & skf21("4","6","4","3","2","1","5","1") = "5"
    & skf21("4","6","4","3","2","1","6","1") = "5"
    & skf21("4","6","4","3","2","1","7","1") = "6"
    & skf21("4","6","4","3","2","2","1","1") = "5"
    & skf21("4","6","4","3","2","2","2","1") = "5"
    & skf21("4","6","4","3","2","2","3","1") = "5"
    & skf21("4","6","4","3","2","2","4","1") = "5"
    & skf21("4","6","4","3","2","2","5","1") = "5"
    & skf21("4","6","4","3","2","2","6","1") = "5"
    & skf21("4","6","4","3","2","2","7","1") = "6"
    & skf21("4","6","4","3","2","3","1","1") = "5"
    & skf21("4","6","4","3","2","3","2","1") = "5"
    & skf21("4","6","4","3","2","3","3","1") = "5"
    & skf21("4","6","4","3","2","3","4","1") = "5"
    & skf21("4","6","4","3","2","3","5","1") = "5"
    & skf21("4","6","4","3","2","3","6","1") = "5"
    & skf21("4","6","4","3","2","3","7","1") = "6"
    & skf21("4","6","4","3","2","4","1","1") = "5"
    & skf21("4","6","4","3","2","4","2","1") = "5"
    & skf21("4","6","4","3","2","4","3","1") = "5"
    & skf21("4","6","4","3","2","4","4","1") = "5"
    & skf21("4","6","4","3","2","4","5","1") = "5"
    & skf21("4","6","4","3","2","4","6","1") = "5"
    & skf21("4","6","4","3","2","4","7","1") = "6"
    & skf21("4","6","4","3","2","5","1","1") = "5"
    & skf21("4","6","4","3","2","5","2","1") = "5"
    & skf21("4","6","4","3","2","5","3","1") = "5"
    & skf21("4","6","4","3","2","5","4","1") = "5"
    & skf21("4","6","4","3","2","5","5","1") = "5"
    & skf21("4","6","4","3","2","5","6","1") = "5"
    & skf21("4","6","4","3","2","5","7","1") = "6"
    & skf21("4","6","4","3","2","6","1","1") = "5"
    & skf21("4","6","4","3","2","6","2","1") = "5"
    & skf21("4","6","4","3","2","6","3","1") = "5"
    & skf21("4","6","4","3","2","6","4","1") = "5"
    & skf21("4","6","4","3","2","6","5","1") = "5"
    & skf21("4","6","4","3","2","6","6","1") = "5"
    & skf21("4","6","4","3","2","6","7","1") = "6"
    & skf21("4","6","4","3","2","7","1","1") = "6"
    & skf21("4","6","4","3","2","7","2","1") = "6"
    & skf21("4","6","4","3","2","7","3","1") = "6"
    & skf21("4","6","4","3","2","7","4","1") = "6"
    & skf21("4","6","4","3","2","7","5","1") = "6"
    & skf21("4","6","4","3","2","7","6","1") = "6"
    & skf21("4","6","4","3","2","7","7","1") = "6"
    & skf21("4","6","4","3","3","1","1","1") = "5"
    & skf21("4","6","4","3","3","1","2","1") = "5"
    & skf21("4","6","4","3","3","1","3","1") = "5"
    & skf21("4","6","4","3","3","1","4","1") = "5"
    & skf21("4","6","4","3","3","1","5","1") = "5"
    & skf21("4","6","4","3","3","1","6","1") = "5"
    & skf21("4","6","4","3","3","1","7","1") = "6"
    & skf21("4","6","4","3","3","2","1","1") = "5"
    & skf21("4","6","4","3","3","2","2","1") = "5"
    & skf21("4","6","4","3","3","2","3","1") = "5"
    & skf21("4","6","4","3","3","2","4","1") = "5"
    & skf21("4","6","4","3","3","2","5","1") = "5"
    & skf21("4","6","4","3","3","2","6","1") = "5"
    & skf21("4","6","4","3","3","2","7","1") = "6"
    & skf21("4","6","4","3","3","3","1","1") = "5"
    & skf21("4","6","4","3","3","3","2","1") = "5"
    & skf21("4","6","4","3","3","3","3","1") = "5"
    & skf21("4","6","4","3","3","3","4","1") = "5"
    & skf21("4","6","4","3","3","3","5","1") = "5"
    & skf21("4","6","4","3","3","3","6","1") = "5"
    & skf21("4","6","4","3","3","3","7","1") = "6"
    & skf21("4","6","4","3","3","4","1","1") = "5"
    & skf21("4","6","4","3","3","4","2","1") = "5"
    & skf21("4","6","4","3","3","4","3","1") = "5"
    & skf21("4","6","4","3","3","4","4","1") = "5"
    & skf21("4","6","4","3","3","4","5","1") = "5"
    & skf21("4","6","4","3","3","4","6","1") = "5"
    & skf21("4","6","4","3","3","4","7","1") = "6"
    & skf21("4","6","4","3","3","5","1","1") = "5"
    & skf21("4","6","4","3","3","5","2","1") = "5"
    & skf21("4","6","4","3","3","5","3","1") = "5"
    & skf21("4","6","4","3","3","5","4","1") = "5"
    & skf21("4","6","4","3","3","5","5","1") = "5"
    & skf21("4","6","4","3","3","5","6","1") = "5"
    & skf21("4","6","4","3","3","5","7","1") = "6"
    & skf21("4","6","4","3","3","6","1","1") = "5"
    & skf21("4","6","4","3","3","6","2","1") = "5"
    & skf21("4","6","4","3","3","6","3","1") = "5"
    & skf21("4","6","4","3","3","6","4","1") = "5"
    & skf21("4","6","4","3","3","6","5","1") = "5"
    & skf21("4","6","4","3","3","6","6","1") = "5"
    & skf21("4","6","4","3","3","6","7","1") = "6"
    & skf21("4","6","4","3","3","7","1","1") = "6"
    & skf21("4","6","4","3","3","7","2","1") = "6"
    & skf21("4","6","4","3","3","7","3","1") = "6"
    & skf21("4","6","4","3","3","7","4","1") = "6"
    & skf21("4","6","4","3","3","7","5","1") = "6"
    & skf21("4","6","4","3","3","7","6","1") = "6"
    & skf21("4","6","4","3","3","7","7","1") = "6"
    & skf21("4","6","4","3","4","1","1","1") = "5"
    & skf21("4","6","4","3","4","1","2","1") = "5"
    & skf21("4","6","4","3","4","1","3","1") = "5"
    & skf21("4","6","4","3","4","1","4","1") = "5"
    & skf21("4","6","4","3","4","1","5","1") = "5"
    & skf21("4","6","4","3","4","1","6","1") = "5"
    & skf21("4","6","4","3","4","1","7","1") = "6"
    & skf21("4","6","4","3","4","2","1","1") = "5"
    & skf21("4","6","4","3","4","2","2","1") = "5"
    & skf21("4","6","4","3","4","2","3","1") = "5"
    & skf21("4","6","4","3","4","2","4","1") = "5"
    & skf21("4","6","4","3","4","2","5","1") = "5"
    & skf21("4","6","4","3","4","2","6","1") = "5"
    & skf21("4","6","4","3","4","2","7","1") = "6"
    & skf21("4","6","4","3","4","3","1","1") = "5"
    & skf21("4","6","4","3","4","3","2","1") = "5"
    & skf21("4","6","4","3","4","3","3","1") = "5"
    & skf21("4","6","4","3","4","3","4","1") = "5"
    & skf21("4","6","4","3","4","3","5","1") = "5"
    & skf21("4","6","4","3","4","3","6","1") = "5"
    & skf21("4","6","4","3","4","3","7","1") = "6"
    & skf21("4","6","4","3","4","4","1","1") = "5"
    & skf21("4","6","4","3","4","4","2","1") = "5"
    & skf21("4","6","4","3","4","4","3","1") = "5"
    & skf21("4","6","4","3","4","4","4","1") = "5"
    & skf21("4","6","4","3","4","4","5","1") = "5"
    & skf21("4","6","4","3","4","4","6","1") = "5"
    & skf21("4","6","4","3","4","4","7","1") = "6"
    & skf21("4","6","4","3","4","5","1","1") = "5"
    & skf21("4","6","4","3","4","5","2","1") = "5"
    & skf21("4","6","4","3","4","5","3","1") = "5"
    & skf21("4","6","4","3","4","5","4","1") = "5"
    & skf21("4","6","4","3","4","5","5","1") = "5"
    & skf21("4","6","4","3","4","5","6","1") = "5"
    & skf21("4","6","4","3","4","5","7","1") = "6"
    & skf21("4","6","4","3","4","6","1","1") = "5"
    & skf21("4","6","4","3","4","6","2","1") = "5"
    & skf21("4","6","4","3","4","6","3","1") = "5"
    & skf21("4","6","4","3","4","6","4","1") = "5"
    & skf21("4","6","4","3","4","6","5","1") = "5"
    & skf21("4","6","4","3","4","6","6","1") = "5"
    & skf21("4","6","4","3","4","6","7","1") = "6"
    & skf21("4","6","4","3","4","7","1","1") = "6"
    & skf21("4","6","4","3","4","7","2","1") = "6"
    & skf21("4","6","4","3","4","7","3","1") = "6"
    & skf21("4","6","4","3","4","7","4","1") = "6"
    & skf21("4","6","4","3","4","7","5","1") = "6"
    & skf21("4","6","4","3","4","7","6","1") = "6"
    & skf21("4","6","4","3","4","7","7","1") = "6"
    & skf21("4","6","4","3","5","1","1","1") = "5"
    & skf21("4","6","4","3","5","1","2","1") = "5"
    & skf21("4","6","4","3","5","1","3","1") = "5"
    & skf21("4","6","4","3","5","1","4","1") = "5"
    & skf21("4","6","4","3","5","1","5","1") = "5"
    & skf21("4","6","4","3","5","1","6","1") = "5"
    & skf21("4","6","4","3","5","1","7","1") = "6"
    & skf21("4","6","4","3","5","2","1","1") = "5"
    & skf21("4","6","4","3","5","2","2","1") = "5"
    & skf21("4","6","4","3","5","2","3","1") = "5"
    & skf21("4","6","4","3","5","2","4","1") = "5"
    & skf21("4","6","4","3","5","2","5","1") = "5"
    & skf21("4","6","4","3","5","2","6","1") = "5"
    & skf21("4","6","4","3","5","2","7","1") = "6"
    & skf21("4","6","4","3","5","3","1","1") = "5"
    & skf21("4","6","4","3","5","3","2","1") = "5"
    & skf21("4","6","4","3","5","3","3","1") = "5"
    & skf21("4","6","4","3","5","3","4","1") = "5"
    & skf21("4","6","4","3","5","3","5","1") = "5"
    & skf21("4","6","4","3","5","3","6","1") = "5"
    & skf21("4","6","4","3","5","3","7","1") = "6"
    & skf21("4","6","4","3","5","4","1","1") = "5"
    & skf21("4","6","4","3","5","4","2","1") = "5"
    & skf21("4","6","4","3","5","4","3","1") = "5"
    & skf21("4","6","4","3","5","4","4","1") = "5"
    & skf21("4","6","4","3","5","4","5","1") = "5"
    & skf21("4","6","4","3","5","4","6","1") = "5"
    & skf21("4","6","4","3","5","4","7","1") = "6"
    & skf21("4","6","4","3","5","5","1","1") = "5"
    & skf21("4","6","4","3","5","5","2","1") = "5"
    & skf21("4","6","4","3","5","5","3","1") = "5"
    & skf21("4","6","4","3","5","5","4","1") = "5"
    & skf21("4","6","4","3","5","5","5","1") = "5"
    & skf21("4","6","4","3","5","5","6","1") = "5"
    & skf21("4","6","4","3","5","5","7","1") = "6"
    & skf21("4","6","4","3","5","6","1","1") = "5"
    & skf21("4","6","4","3","5","6","2","1") = "5"
    & skf21("4","6","4","3","5","6","3","1") = "5"
    & skf21("4","6","4","3","5","6","4","1") = "5"
    & skf21("4","6","4","3","5","6","5","1") = "5"
    & skf21("4","6","4","3","5","6","6","1") = "5"
    & skf21("4","6","4","3","5","6","7","1") = "6"
    & skf21("4","6","4","3","5","7","1","1") = "6"
    & skf21("4","6","4","3","5","7","2","1") = "6"
    & skf21("4","6","4","3","5","7","3","1") = "6"
    & skf21("4","6","4","3","5","7","4","1") = "6"
    & skf21("4","6","4","3","5","7","5","1") = "6"
    & skf21("4","6","4","3","5","7","6","1") = "6"
    & skf21("4","6","4","3","5","7","7","1") = "6"
    & skf21("4","6","4","3","6","1","1","1") = "5"
    & skf21("4","6","4","3","6","1","2","1") = "5"
    & skf21("4","6","4","3","6","1","3","1") = "5"
    & skf21("4","6","4","3","6","1","4","1") = "5"
    & skf21("4","6","4","3","6","1","5","1") = "5"
    & skf21("4","6","4","3","6","1","6","1") = "5"
    & skf21("4","6","4","3","6","1","7","1") = "6"
    & skf21("4","6","4","3","6","2","1","1") = "5"
    & skf21("4","6","4","3","6","2","2","1") = "5"
    & skf21("4","6","4","3","6","2","3","1") = "5"
    & skf21("4","6","4","3","6","2","4","1") = "5"
    & skf21("4","6","4","3","6","2","5","1") = "5"
    & skf21("4","6","4","3","6","2","6","1") = "5"
    & skf21("4","6","4","3","6","2","7","1") = "6"
    & skf21("4","6","4","3","6","3","1","1") = "5"
    & skf21("4","6","4","3","6","3","2","1") = "5"
    & skf21("4","6","4","3","6","3","3","1") = "5"
    & skf21("4","6","4","3","6","3","4","1") = "5"
    & skf21("4","6","4","3","6","3","5","1") = "5"
    & skf21("4","6","4","3","6","3","6","1") = "5"
    & skf21("4","6","4","3","6","3","7","1") = "6"
    & skf21("4","6","4","3","6","4","1","1") = "5"
    & skf21("4","6","4","3","6","4","2","1") = "5"
    & skf21("4","6","4","3","6","4","3","1") = "5"
    & skf21("4","6","4","3","6","4","4","1") = "5"
    & skf21("4","6","4","3","6","4","5","1") = "5"
    & skf21("4","6","4","3","6","4","6","1") = "5"
    & skf21("4","6","4","3","6","4","7","1") = "6"
    & skf21("4","6","4","3","6","5","1","1") = "5"
    & skf21("4","6","4","3","6","5","2","1") = "5"
    & skf21("4","6","4","3","6","5","3","1") = "5"
    & skf21("4","6","4","3","6","5","4","1") = "5"
    & skf21("4","6","4","3","6","5","5","1") = "5"
    & skf21("4","6","4","3","6","5","6","1") = "5"
    & skf21("4","6","4","3","6","5","7","1") = "6"
    & skf21("4","6","4","3","6","6","1","1") = "5"
    & skf21("4","6","4","3","6","6","2","1") = "5"
    & skf21("4","6","4","3","6","6","3","1") = "5"
    & skf21("4","6","4","3","6","6","4","1") = "5"
    & skf21("4","6","4","3","6","6","5","1") = "5"
    & skf21("4","6","4","3","6","6","6","1") = "5"
    & skf21("4","6","4","3","6","6","7","1") = "6"
    & skf21("4","6","4","3","6","7","1","1") = "6"
    & skf21("4","6","4","3","6","7","2","1") = "6"
    & skf21("4","6","4","3","6","7","3","1") = "6"
    & skf21("4","6","4","3","6","7","4","1") = "6"
    & skf21("4","6","4","3","6","7","5","1") = "6"
    & skf21("4","6","4","3","6","7","6","1") = "6"
    & skf21("4","6","4","3","6","7","7","1") = "6"
    & skf21("4","6","4","3","7","1","1","1") = "6"
    & skf21("4","6","4","3","7","1","2","1") = "6"
    & skf21("4","6","4","3","7","1","3","1") = "6"
    & skf21("4","6","4","3","7","1","4","1") = "6"
    & skf21("4","6","4","3","7","1","5","1") = "6"
    & skf21("4","6","4","3","7","1","6","1") = "6"
    & skf21("4","6","4","3","7","1","7","1") = "6"
    & skf21("4","6","4","3","7","2","1","1") = "6"
    & skf21("4","6","4","3","7","2","2","1") = "6"
    & skf21("4","6","4","3","7","2","3","1") = "6"
    & skf21("4","6","4","3","7","2","4","1") = "6"
    & skf21("4","6","4","3","7","2","5","1") = "6"
    & skf21("4","6","4","3","7","2","6","1") = "6"
    & skf21("4","6","4","3","7","2","7","1") = "6"
    & skf21("4","6","4","3","7","3","1","1") = "6"
    & skf21("4","6","4","3","7","3","2","1") = "6"
    & skf21("4","6","4","3","7","3","3","1") = "6"
    & skf21("4","6","4","3","7","3","4","1") = "6"
    & skf21("4","6","4","3","7","3","5","1") = "6"
    & skf21("4","6","4","3","7","3","6","1") = "6"
    & skf21("4","6","4","3","7","3","7","1") = "6"
    & skf21("4","6","4","3","7","4","1","1") = "6"
    & skf21("4","6","4","3","7","4","2","1") = "6"
    & skf21("4","6","4","3","7","4","3","1") = "6"
    & skf21("4","6","4","3","7","4","4","1") = "6"
    & skf21("4","6","4","3","7","4","5","1") = "6"
    & skf21("4","6","4","3","7","4","6","1") = "6"
    & skf21("4","6","4","3","7","4","7","1") = "6"
    & skf21("4","6","4","3","7","5","1","1") = "6"
    & skf21("4","6","4","3","7","5","2","1") = "6"
    & skf21("4","6","4","3","7","5","3","1") = "6"
    & skf21("4","6","4","3","7","5","4","1") = "6"
    & skf21("4","6","4","3","7","5","5","1") = "6"
    & skf21("4","6","4","3","7","5","6","1") = "6"
    & skf21("4","6","4","3","7","5","7","1") = "6"
    & skf21("4","6","4","3","7","6","1","1") = "6"
    & skf21("4","6","4","3","7","6","2","1") = "6"
    & skf21("4","6","4","3","7","6","3","1") = "6"
    & skf21("4","6","4","3","7","6","4","1") = "6"
    & skf21("4","6","4","3","7","6","5","1") = "6"
    & skf21("4","6","4","3","7","6","6","1") = "6"
    & skf21("4","6","4","3","7","6","7","1") = "6"
    & skf21("4","6","4","3","7","7","1","1") = "6"
    & skf21("4","6","4","3","7","7","2","1") = "6"
    & skf21("4","6","4","3","7","7","3","1") = "6"
    & skf21("4","6","4","3","7","7","4","1") = "6"
    & skf21("4","6","4","3","7","7","5","1") = "6"
    & skf21("4","6","4","3","7","7","6","1") = "6"
    & skf21("4","6","4","3","7","7","7","1") = "6"
    & skf21("4","6","4","4","1","1","1","1") = "5"
    & skf21("4","6","4","4","1","1","2","1") = "5"
    & skf21("4","6","4","4","1","1","3","1") = "5"
    & skf21("4","6","4","4","1","1","4","1") = "5"
    & skf21("4","6","4","4","1","1","5","1") = "5"
    & skf21("4","6","4","4","1","1","6","1") = "5"
    & skf21("4","6","4","4","1","1","7","1") = "6"
    & skf21("4","6","4","4","1","2","1","1") = "5"
    & skf21("4","6","4","4","1","2","2","1") = "5"
    & skf21("4","6","4","4","1","2","3","1") = "5"
    & skf21("4","6","4","4","1","2","4","1") = "5"
    & skf21("4","6","4","4","1","2","5","1") = "5"
    & skf21("4","6","4","4","1","2","6","1") = "5"
    & skf21("4","6","4","4","1","2","7","1") = "6"
    & skf21("4","6","4","4","1","3","1","1") = "5"
    & skf21("4","6","4","4","1","3","2","1") = "5"
    & skf21("4","6","4","4","1","3","3","1") = "5"
    & skf21("4","6","4","4","1","3","4","1") = "5"
    & skf21("4","6","4","4","1","3","5","1") = "5"
    & skf21("4","6","4","4","1","3","6","1") = "5"
    & skf21("4","6","4","4","1","3","7","1") = "6"
    & skf21("4","6","4","4","1","4","1","1") = "5"
    & skf21("4","6","4","4","1","4","2","1") = "5"
    & skf21("4","6","4","4","1","4","3","1") = "5"
    & skf21("4","6","4","4","1","4","4","1") = "5"
    & skf21("4","6","4","4","1","4","5","1") = "5"
    & skf21("4","6","4","4","1","4","6","1") = "5"
    & skf21("4","6","4","4","1","4","7","1") = "6"
    & skf21("4","6","4","4","1","5","1","1") = "5"
    & skf21("4","6","4","4","1","5","2","1") = "5"
    & skf21("4","6","4","4","1","5","3","1") = "5"
    & skf21("4","6","4","4","1","5","4","1") = "5"
    & skf21("4","6","4","4","1","5","5","1") = "5"
    & skf21("4","6","4","4","1","5","6","1") = "5"
    & skf21("4","6","4","4","1","5","7","1") = "6"
    & skf21("4","6","4","4","1","6","1","1") = "5"
    & skf21("4","6","4","4","1","6","2","1") = "5"
    & skf21("4","6","4","4","1","6","3","1") = "5"
    & skf21("4","6","4","4","1","6","4","1") = "5"
    & skf21("4","6","4","4","1","6","5","1") = "5"
    & skf21("4","6","4","4","1","6","6","1") = "5"
    & skf21("4","6","4","4","1","6","7","1") = "6"
    & skf21("4","6","4","4","1","7","1","1") = "6"
    & skf21("4","6","4","4","1","7","2","1") = "6"
    & skf21("4","6","4","4","1","7","3","1") = "6"
    & skf21("4","6","4","4","1","7","4","1") = "6"
    & skf21("4","6","4","4","1","7","5","1") = "6"
    & skf21("4","6","4","4","1","7","6","1") = "6"
    & skf21("4","6","4","4","1","7","7","1") = "6"
    & skf21("4","6","4","4","2","1","1","1") = "5"
    & skf21("4","6","4","4","2","1","2","1") = "5"
    & skf21("4","6","4","4","2","1","3","1") = "5"
    & skf21("4","6","4","4","2","1","4","1") = "5"
    & skf21("4","6","4","4","2","1","5","1") = "5"
    & skf21("4","6","4","4","2","1","6","1") = "5"
    & skf21("4","6","4","4","2","1","7","1") = "6"
    & skf21("4","6","4","4","2","2","1","1") = "5"
    & skf21("4","6","4","4","2","2","2","1") = "5"
    & skf21("4","6","4","4","2","2","3","1") = "5"
    & skf21("4","6","4","4","2","2","4","1") = "5"
    & skf21("4","6","4","4","2","2","5","1") = "5"
    & skf21("4","6","4","4","2","2","6","1") = "5"
    & skf21("4","6","4","4","2","2","7","1") = "6"
    & skf21("4","6","4","4","2","3","1","1") = "5"
    & skf21("4","6","4","4","2","3","2","1") = "5"
    & skf21("4","6","4","4","2","3","3","1") = "5"
    & skf21("4","6","4","4","2","3","4","1") = "5"
    & skf21("4","6","4","4","2","3","5","1") = "5"
    & skf21("4","6","4","4","2","3","6","1") = "5"
    & skf21("4","6","4","4","2","3","7","1") = "6"
    & skf21("4","6","4","4","2","4","1","1") = "5"
    & skf21("4","6","4","4","2","4","2","1") = "5"
    & skf21("4","6","4","4","2","4","3","1") = "5"
    & skf21("4","6","4","4","2","4","4","1") = "5"
    & skf21("4","6","4","4","2","4","5","1") = "5"
    & skf21("4","6","4","4","2","4","6","1") = "5"
    & skf21("4","6","4","4","2","4","7","1") = "6"
    & skf21("4","6","4","4","2","5","1","1") = "5"
    & skf21("4","6","4","4","2","5","2","1") = "5"
    & skf21("4","6","4","4","2","5","3","1") = "5"
    & skf21("4","6","4","4","2","5","4","1") = "5"
    & skf21("4","6","4","4","2","5","5","1") = "5"
    & skf21("4","6","4","4","2","5","6","1") = "5"
    & skf21("4","6","4","4","2","5","7","1") = "6"
    & skf21("4","6","4","4","2","6","1","1") = "5"
    & skf21("4","6","4","4","2","6","2","1") = "5"
    & skf21("4","6","4","4","2","6","3","1") = "5"
    & skf21("4","6","4","4","2","6","4","1") = "5"
    & skf21("4","6","4","4","2","6","5","1") = "5"
    & skf21("4","6","4","4","2","6","6","1") = "5"
    & skf21("4","6","4","4","2","6","7","1") = "6"
    & skf21("4","6","4","4","2","7","1","1") = "6"
    & skf21("4","6","4","4","2","7","2","1") = "6"
    & skf21("4","6","4","4","2","7","3","1") = "6"
    & skf21("4","6","4","4","2","7","4","1") = "6"
    & skf21("4","6","4","4","2","7","5","1") = "6"
    & skf21("4","6","4","4","2","7","6","1") = "6"
    & skf21("4","6","4","4","2","7","7","1") = "6"
    & skf21("4","6","4","4","3","1","1","1") = "5"
    & skf21("4","6","4","4","3","1","2","1") = "5"
    & skf21("4","6","4","4","3","1","3","1") = "5"
    & skf21("4","6","4","4","3","1","4","1") = "5"
    & skf21("4","6","4","4","3","1","5","1") = "5"
    & skf21("4","6","4","4","3","1","6","1") = "5"
    & skf21("4","6","4","4","3","1","7","1") = "6"
    & skf21("4","6","4","4","3","2","1","1") = "5"
    & skf21("4","6","4","4","3","2","2","1") = "5"
    & skf21("4","6","4","4","3","2","3","1") = "5"
    & skf21("4","6","4","4","3","2","4","1") = "5"
    & skf21("4","6","4","4","3","2","5","1") = "5"
    & skf21("4","6","4","4","3","2","6","1") = "5"
    & skf21("4","6","4","4","3","2","7","1") = "6"
    & skf21("4","6","4","4","3","3","1","1") = "5"
    & skf21("4","6","4","4","3","3","2","1") = "5"
    & skf21("4","6","4","4","3","3","3","1") = "5"
    & skf21("4","6","4","4","3","3","4","1") = "5"
    & skf21("4","6","4","4","3","3","5","1") = "5"
    & skf21("4","6","4","4","3","3","6","1") = "5"
    & skf21("4","6","4","4","3","3","7","1") = "6"
    & skf21("4","6","4","4","3","4","1","1") = "5"
    & skf21("4","6","4","4","3","4","2","1") = "5"
    & skf21("4","6","4","4","3","4","3","1") = "5"
    & skf21("4","6","4","4","3","4","4","1") = "5"
    & skf21("4","6","4","4","3","4","5","1") = "5"
    & skf21("4","6","4","4","3","4","6","1") = "5"
    & skf21("4","6","4","4","3","4","7","1") = "6"
    & skf21("4","6","4","4","3","5","1","1") = "5"
    & skf21("4","6","4","4","3","5","2","1") = "5"
    & skf21("4","6","4","4","3","5","3","1") = "5"
    & skf21("4","6","4","4","3","5","4","1") = "5"
    & skf21("4","6","4","4","3","5","5","1") = "5"
    & skf21("4","6","4","4","3","5","6","1") = "5"
    & skf21("4","6","4","4","3","5","7","1") = "6"
    & skf21("4","6","4","4","3","6","1","1") = "5"
    & skf21("4","6","4","4","3","6","2","1") = "5"
    & skf21("4","6","4","4","3","6","3","1") = "5"
    & skf21("4","6","4","4","3","6","4","1") = "5"
    & skf21("4","6","4","4","3","6","5","1") = "5"
    & skf21("4","6","4","4","3","6","6","1") = "5"
    & skf21("4","6","4","4","3","6","7","1") = "6"
    & skf21("4","6","4","4","3","7","1","1") = "6"
    & skf21("4","6","4","4","3","7","2","1") = "6"
    & skf21("4","6","4","4","3","7","3","1") = "6"
    & skf21("4","6","4","4","3","7","4","1") = "6"
    & skf21("4","6","4","4","3","7","5","1") = "6"
    & skf21("4","6","4","4","3","7","6","1") = "6"
    & skf21("4","6","4","4","3","7","7","1") = "6"
    & skf21("4","6","4","4","4","1","1","1") = "5"
    & skf21("4","6","4","4","4","1","2","1") = "5"
    & skf21("4","6","4","4","4","1","3","1") = "5"
    & skf21("4","6","4","4","4","1","4","1") = "5"
    & skf21("4","6","4","4","4","1","5","1") = "5"
    & skf21("4","6","4","4","4","1","6","1") = "5"
    & skf21("4","6","4","4","4","1","7","1") = "6"
    & skf21("4","6","4","4","4","2","1","1") = "5"
    & skf21("4","6","4","4","4","2","2","1") = "5"
    & skf21("4","6","4","4","4","2","3","1") = "5"
    & skf21("4","6","4","4","4","2","4","1") = "5"
    & skf21("4","6","4","4","4","2","5","1") = "5"
    & skf21("4","6","4","4","4","2","6","1") = "5"
    & skf21("4","6","4","4","4","2","7","1") = "6"
    & skf21("4","6","4","4","4","3","1","1") = "5"
    & skf21("4","6","4","4","4","3","2","1") = "5"
    & skf21("4","6","4","4","4","3","3","1") = "5"
    & skf21("4","6","4","4","4","3","4","1") = "5"
    & skf21("4","6","4","4","4","3","5","1") = "5"
    & skf21("4","6","4","4","4","3","6","1") = "5"
    & skf21("4","6","4","4","4","3","7","1") = "6"
    & skf21("4","6","4","4","4","4","1","1") = "5"
    & skf21("4","6","4","4","4","4","2","1") = "5"
    & skf21("4","6","4","4","4","4","3","1") = "5"
    & skf21("4","6","4","4","4","4","4","1") = "5"
    & skf21("4","6","4","4","4","4","5","1") = "5"
    & skf21("4","6","4","4","4","4","6","1") = "5"
    & skf21("4","6","4","4","4","4","7","1") = "6"
    & skf21("4","6","4","4","4","5","1","1") = "5"
    & skf21("4","6","4","4","4","5","2","1") = "5"
    & skf21("4","6","4","4","4","5","3","1") = "5"
    & skf21("4","6","4","4","4","5","4","1") = "5"
    & skf21("4","6","4","4","4","5","5","1") = "5"
    & skf21("4","6","4","4","4","5","6","1") = "5"
    & skf21("4","6","4","4","4","5","7","1") = "6"
    & skf21("4","6","4","4","4","6","1","1") = "5"
    & skf21("4","6","4","4","4","6","2","1") = "5"
    & skf21("4","6","4","4","4","6","3","1") = "5"
    & skf21("4","6","4","4","4","6","4","1") = "5"
    & skf21("4","6","4","4","4","6","5","1") = "5"
    & skf21("4","6","4","4","4","6","6","1") = "5"
    & skf21("4","6","4","4","4","6","7","1") = "6"
    & skf21("4","6","4","4","4","7","1","1") = "6"
    & skf21("4","6","4","4","4","7","2","1") = "6"
    & skf21("4","6","4","4","4","7","3","1") = "6"
    & skf21("4","6","4","4","4","7","4","1") = "6"
    & skf21("4","6","4","4","4","7","5","1") = "6"
    & skf21("4","6","4","4","4","7","6","1") = "6"
    & skf21("4","6","4","4","4","7","7","1") = "6"
    & skf21("4","6","4","4","5","1","1","1") = "5"
    & skf21("4","6","4","4","5","1","2","1") = "5"
    & skf21("4","6","4","4","5","1","3","1") = "5"
    & skf21("4","6","4","4","5","1","4","1") = "5"
    & skf21("4","6","4","4","5","1","5","1") = "5"
    & skf21("4","6","4","4","5","1","6","1") = "5"
    & skf21("4","6","4","4","5","1","7","1") = "6"
    & skf21("4","6","4","4","5","2","1","1") = "5"
    & skf21("4","6","4","4","5","2","2","1") = "5"
    & skf21("4","6","4","4","5","2","3","1") = "5"
    & skf21("4","6","4","4","5","2","4","1") = "5"
    & skf21("4","6","4","4","5","2","5","1") = "5"
    & skf21("4","6","4","4","5","2","6","1") = "5"
    & skf21("4","6","4","4","5","2","7","1") = "6"
    & skf21("4","6","4","4","5","3","1","1") = "5"
    & skf21("4","6","4","4","5","3","2","1") = "5"
    & skf21("4","6","4","4","5","3","3","1") = "5"
    & skf21("4","6","4","4","5","3","4","1") = "5"
    & skf21("4","6","4","4","5","3","5","1") = "5"
    & skf21("4","6","4","4","5","3","6","1") = "5"
    & skf21("4","6","4","4","5","3","7","1") = "6"
    & skf21("4","6","4","4","5","4","1","1") = "5"
    & skf21("4","6","4","4","5","4","2","1") = "5"
    & skf21("4","6","4","4","5","4","3","1") = "5"
    & skf21("4","6","4","4","5","4","4","1") = "5"
    & skf21("4","6","4","4","5","4","5","1") = "5"
    & skf21("4","6","4","4","5","4","6","1") = "5"
    & skf21("4","6","4","4","5","4","7","1") = "6"
    & skf21("4","6","4","4","5","5","1","1") = "5"
    & skf21("4","6","4","4","5","5","2","1") = "5"
    & skf21("4","6","4","4","5","5","3","1") = "5"
    & skf21("4","6","4","4","5","5","4","1") = "5"
    & skf21("4","6","4","4","5","5","5","1") = "5"
    & skf21("4","6","4","4","5","5","6","1") = "5"
    & skf21("4","6","4","4","5","5","7","1") = "6"
    & skf21("4","6","4","4","5","6","1","1") = "5"
    & skf21("4","6","4","4","5","6","2","1") = "5"
    & skf21("4","6","4","4","5","6","3","1") = "5"
    & skf21("4","6","4","4","5","6","4","1") = "5"
    & skf21("4","6","4","4","5","6","5","1") = "5"
    & skf21("4","6","4","4","5","6","6","1") = "5"
    & skf21("4","6","4","4","5","6","7","1") = "6"
    & skf21("4","6","4","4","5","7","1","1") = "6"
    & skf21("4","6","4","4","5","7","2","1") = "6"
    & skf21("4","6","4","4","5","7","3","1") = "6"
    & skf21("4","6","4","4","5","7","4","1") = "6"
    & skf21("4","6","4","4","5","7","5","1") = "6"
    & skf21("4","6","4","4","5","7","6","1") = "6"
    & skf21("4","6","4","4","5","7","7","1") = "6"
    & skf21("4","6","4","4","6","1","1","1") = "5"
    & skf21("4","6","4","4","6","1","2","1") = "5"
    & skf21("4","6","4","4","6","1","3","1") = "5"
    & skf21("4","6","4","4","6","1","4","1") = "5"
    & skf21("4","6","4","4","6","1","5","1") = "5"
    & skf21("4","6","4","4","6","1","6","1") = "5"
    & skf21("4","6","4","4","6","1","7","1") = "6"
    & skf21("4","6","4","4","6","2","1","1") = "5"
    & skf21("4","6","4","4","6","2","2","1") = "5"
    & skf21("4","6","4","4","6","2","3","1") = "5"
    & skf21("4","6","4","4","6","2","4","1") = "5"
    & skf21("4","6","4","4","6","2","5","1") = "5"
    & skf21("4","6","4","4","6","2","6","1") = "5"
    & skf21("4","6","4","4","6","2","7","1") = "6"
    & skf21("4","6","4","4","6","3","1","1") = "5"
    & skf21("4","6","4","4","6","3","2","1") = "5"
    & skf21("4","6","4","4","6","3","3","1") = "5"
    & skf21("4","6","4","4","6","3","4","1") = "5"
    & skf21("4","6","4","4","6","3","5","1") = "5"
    & skf21("4","6","4","4","6","3","6","1") = "5"
    & skf21("4","6","4","4","6","3","7","1") = "6"
    & skf21("4","6","4","4","6","4","1","1") = "5"
    & skf21("4","6","4","4","6","4","2","1") = "5"
    & skf21("4","6","4","4","6","4","3","1") = "5"
    & skf21("4","6","4","4","6","4","4","1") = "5"
    & skf21("4","6","4","4","6","4","5","1") = "5"
    & skf21("4","6","4","4","6","4","6","1") = "5"
    & skf21("4","6","4","4","6","4","7","1") = "6"
    & skf21("4","6","4","4","6","5","1","1") = "5"
    & skf21("4","6","4","4","6","5","2","1") = "5"
    & skf21("4","6","4","4","6","5","3","1") = "5"
    & skf21("4","6","4","4","6","5","4","1") = "5"
    & skf21("4","6","4","4","6","5","5","1") = "5"
    & skf21("4","6","4","4","6","5","6","1") = "5"
    & skf21("4","6","4","4","6","5","7","1") = "6"
    & skf21("4","6","4","4","6","6","1","1") = "5"
    & skf21("4","6","4","4","6","6","2","1") = "5"
    & skf21("4","6","4","4","6","6","3","1") = "5"
    & skf21("4","6","4","4","6","6","4","1") = "5"
    & skf21("4","6","4","4","6","6","5","1") = "5"
    & skf21("4","6","4","4","6","6","6","1") = "5"
    & skf21("4","6","4","4","6","6","7","1") = "6"
    & skf21("4","6","4","4","6","7","1","1") = "6"
    & skf21("4","6","4","4","6","7","2","1") = "6"
    & skf21("4","6","4","4","6","7","3","1") = "6"
    & skf21("4","6","4","4","6","7","4","1") = "6"
    & skf21("4","6","4","4","6","7","5","1") = "6"
    & skf21("4","6","4","4","6","7","6","1") = "6"
    & skf21("4","6","4","4","6","7","7","1") = "6"
    & skf21("4","6","4","4","7","1","1","1") = "6"
    & skf21("4","6","4","4","7","1","2","1") = "6"
    & skf21("4","6","4","4","7","1","3","1") = "6"
    & skf21("4","6","4","4","7","1","4","1") = "6"
    & skf21("4","6","4","4","7","1","5","1") = "6"
    & skf21("4","6","4","4","7","1","6","1") = "6"
    & skf21("4","6","4","4","7","1","7","1") = "6"
    & skf21("4","6","4","4","7","2","1","1") = "6"
    & skf21("4","6","4","4","7","2","2","1") = "6"
    & skf21("4","6","4","4","7","2","3","1") = "6"
    & skf21("4","6","4","4","7","2","4","1") = "6"
    & skf21("4","6","4","4","7","2","5","1") = "6"
    & skf21("4","6","4","4","7","2","6","1") = "6"
    & skf21("4","6","4","4","7","2","7","1") = "6"
    & skf21("4","6","4","4","7","3","1","1") = "6"
    & skf21("4","6","4","4","7","3","2","1") = "6"
    & skf21("4","6","4","4","7","3","3","1") = "6"
    & skf21("4","6","4","4","7","3","4","1") = "6"
    & skf21("4","6","4","4","7","3","5","1") = "6"
    & skf21("4","6","4","4","7","3","6","1") = "6"
    & skf21("4","6","4","4","7","3","7","1") = "6"
    & skf21("4","6","4","4","7","4","1","1") = "6"
    & skf21("4","6","4","4","7","4","2","1") = "6"
    & skf21("4","6","4","4","7","4","3","1") = "6"
    & skf21("4","6","4","4","7","4","4","1") = "6"
    & skf21("4","6","4","4","7","4","5","1") = "6"
    & skf21("4","6","4","4","7","4","6","1") = "6"
    & skf21("4","6","4","4","7","4","7","1") = "6"
    & skf21("4","6","4","4","7","5","1","1") = "6"
    & skf21("4","6","4","4","7","5","2","1") = "6"
    & skf21("4","6","4","4","7","5","3","1") = "6"
    & skf21("4","6","4","4","7","5","4","1") = "6"
    & skf21("4","6","4","4","7","5","5","1") = "6"
    & skf21("4","6","4","4","7","5","6","1") = "6"
    & skf21("4","6","4","4","7","5","7","1") = "6"
    & skf21("4","6","4","4","7","6","1","1") = "6"
    & skf21("4","6","4","4","7","6","2","1") = "6"
    & skf21("4","6","4","4","7","6","3","1") = "6"
    & skf21("4","6","4","4","7","6","4","1") = "6"
    & skf21("4","6","4","4","7","6","5","1") = "6"
    & skf21("4","6","4","4","7","6","6","1") = "6"
    & skf21("4","6","4","4","7","6","7","1") = "6"
    & skf21("4","6","4","4","7","7","1","1") = "6"
    & skf21("4","6","4","4","7","7","2","1") = "6"
    & skf21("4","6","4","4","7","7","3","1") = "6"
    & skf21("4","6","4","4","7","7","4","1") = "6"
    & skf21("4","6","4","4","7","7","5","1") = "6"
    & skf21("4","6","4","4","7","7","6","1") = "6"
    & skf21("4","6","4","4","7","7","7","1") = "6"
    & skf21("4","6","4","5","1","1","1","1") = "5"
    & skf21("4","6","4","5","1","1","2","1") = "5"
    & skf21("4","6","4","5","1","1","3","1") = "5"
    & skf21("4","6","4","5","1","1","4","1") = "5"
    & skf21("4","6","4","5","1","1","5","1") = "5"
    & skf21("4","6","4","5","1","1","6","1") = "5"
    & skf21("4","6","4","5","1","1","7","1") = "6"
    & skf21("4","6","4","5","1","2","1","1") = "5"
    & skf21("4","6","4","5","1","2","2","1") = "5"
    & skf21("4","6","4","5","1","2","3","1") = "5"
    & skf21("4","6","4","5","1","2","4","1") = "5"
    & skf21("4","6","4","5","1","2","5","1") = "5"
    & skf21("4","6","4","5","1","2","6","1") = "5"
    & skf21("4","6","4","5","1","2","7","1") = "6"
    & skf21("4","6","4","5","1","3","1","1") = "5"
    & skf21("4","6","4","5","1","3","2","1") = "5"
    & skf21("4","6","4","5","1","3","3","1") = "5"
    & skf21("4","6","4","5","1","3","4","1") = "5"
    & skf21("4","6","4","5","1","3","5","1") = "5"
    & skf21("4","6","4","5","1","3","6","1") = "5"
    & skf21("4","6","4","5","1","3","7","1") = "6"
    & skf21("4","6","4","5","1","4","1","1") = "5"
    & skf21("4","6","4","5","1","4","2","1") = "5"
    & skf21("4","6","4","5","1","4","3","1") = "5"
    & skf21("4","6","4","5","1","4","4","1") = "5"
    & skf21("4","6","4","5","1","4","5","1") = "5"
    & skf21("4","6","4","5","1","4","6","1") = "5"
    & skf21("4","6","4","5","1","4","7","1") = "6"
    & skf21("4","6","4","5","1","5","1","1") = "5"
    & skf21("4","6","4","5","1","5","2","1") = "5"
    & skf21("4","6","4","5","1","5","3","1") = "5"
    & skf21("4","6","4","5","1","5","4","1") = "5"
    & skf21("4","6","4","5","1","5","5","1") = "5"
    & skf21("4","6","4","5","1","5","6","1") = "5"
    & skf21("4","6","4","5","1","5","7","1") = "6"
    & skf21("4","6","4","5","1","6","1","1") = "5"
    & skf21("4","6","4","5","1","6","2","1") = "5"
    & skf21("4","6","4","5","1","6","3","1") = "5"
    & skf21("4","6","4","5","1","6","4","1") = "5"
    & skf21("4","6","4","5","1","6","5","1") = "5"
    & skf21("4","6","4","5","1","6","6","1") = "5"
    & skf21("4","6","4","5","1","6","7","1") = "6"
    & skf21("4","6","4","5","1","7","1","1") = "6"
    & skf21("4","6","4","5","1","7","2","1") = "6"
    & skf21("4","6","4","5","1","7","3","1") = "6"
    & skf21("4","6","4","5","1","7","4","1") = "6"
    & skf21("4","6","4","5","1","7","5","1") = "6"
    & skf21("4","6","4","5","1","7","6","1") = "6"
    & skf21("4","6","4","5","1","7","7","1") = "6"
    & skf21("4","6","4","5","2","1","1","1") = "5"
    & skf21("4","6","4","5","2","1","2","1") = "5"
    & skf21("4","6","4","5","2","1","3","1") = "5"
    & skf21("4","6","4","5","2","1","4","1") = "5"
    & skf21("4","6","4","5","2","1","5","1") = "5"
    & skf21("4","6","4","5","2","1","6","1") = "5"
    & skf21("4","6","4","5","2","1","7","1") = "6"
    & skf21("4","6","4","5","2","2","1","1") = "5"
    & skf21("4","6","4","5","2","2","2","1") = "5"
    & skf21("4","6","4","5","2","2","3","1") = "5"
    & skf21("4","6","4","5","2","2","4","1") = "5"
    & skf21("4","6","4","5","2","2","5","1") = "5"
    & skf21("4","6","4","5","2","2","6","1") = "5"
    & skf21("4","6","4","5","2","2","7","1") = "6"
    & skf21("4","6","4","5","2","3","1","1") = "5"
    & skf21("4","6","4","5","2","3","2","1") = "5"
    & skf21("4","6","4","5","2","3","3","1") = "5"
    & skf21("4","6","4","5","2","3","4","1") = "5"
    & skf21("4","6","4","5","2","3","5","1") = "5"
    & skf21("4","6","4","5","2","3","6","1") = "5"
    & skf21("4","6","4","5","2","3","7","1") = "6"
    & skf21("4","6","4","5","2","4","1","1") = "5"
    & skf21("4","6","4","5","2","4","2","1") = "5"
    & skf21("4","6","4","5","2","4","3","1") = "5"
    & skf21("4","6","4","5","2","4","4","1") = "5"
    & skf21("4","6","4","5","2","4","5","1") = "5"
    & skf21("4","6","4","5","2","4","6","1") = "5"
    & skf21("4","6","4","5","2","4","7","1") = "6"
    & skf21("4","6","4","5","2","5","1","1") = "5"
    & skf21("4","6","4","5","2","5","2","1") = "5"
    & skf21("4","6","4","5","2","5","3","1") = "5"
    & skf21("4","6","4","5","2","5","4","1") = "5"
    & skf21("4","6","4","5","2","5","5","1") = "5"
    & skf21("4","6","4","5","2","5","6","1") = "5"
    & skf21("4","6","4","5","2","5","7","1") = "6"
    & skf21("4","6","4","5","2","6","1","1") = "5"
    & skf21("4","6","4","5","2","6","2","1") = "5"
    & skf21("4","6","4","5","2","6","3","1") = "5"
    & skf21("4","6","4","5","2","6","4","1") = "5"
    & skf21("4","6","4","5","2","6","5","1") = "5"
    & skf21("4","6","4","5","2","6","6","1") = "5"
    & skf21("4","6","4","5","2","6","7","1") = "6"
    & skf21("4","6","4","5","2","7","1","1") = "6"
    & skf21("4","6","4","5","2","7","2","1") = "6"
    & skf21("4","6","4","5","2","7","3","1") = "6"
    & skf21("4","6","4","5","2","7","4","1") = "6"
    & skf21("4","6","4","5","2","7","5","1") = "6"
    & skf21("4","6","4","5","2","7","6","1") = "6"
    & skf21("4","6","4","5","2","7","7","1") = "6"
    & skf21("4","6","4","5","3","1","1","1") = "5"
    & skf21("4","6","4","5","3","1","2","1") = "5"
    & skf21("4","6","4","5","3","1","3","1") = "5"
    & skf21("4","6","4","5","3","1","4","1") = "5"
    & skf21("4","6","4","5","3","1","5","1") = "5"
    & skf21("4","6","4","5","3","1","6","1") = "5"
    & skf21("4","6","4","5","3","1","7","1") = "6"
    & skf21("4","6","4","5","3","2","1","1") = "5"
    & skf21("4","6","4","5","3","2","2","1") = "5"
    & skf21("4","6","4","5","3","2","3","1") = "5"
    & skf21("4","6","4","5","3","2","4","1") = "5"
    & skf21("4","6","4","5","3","2","5","1") = "5"
    & skf21("4","6","4","5","3","2","6","1") = "5"
    & skf21("4","6","4","5","3","2","7","1") = "6"
    & skf21("4","6","4","5","3","3","1","1") = "5"
    & skf21("4","6","4","5","3","3","2","1") = "5"
    & skf21("4","6","4","5","3","3","3","1") = "5"
    & skf21("4","6","4","5","3","3","4","1") = "5"
    & skf21("4","6","4","5","3","3","5","1") = "5"
    & skf21("4","6","4","5","3","3","6","1") = "5"
    & skf21("4","6","4","5","3","3","7","1") = "6"
    & skf21("4","6","4","5","3","4","1","1") = "5"
    & skf21("4","6","4","5","3","4","2","1") = "5"
    & skf21("4","6","4","5","3","4","3","1") = "5"
    & skf21("4","6","4","5","3","4","4","1") = "5"
    & skf21("4","6","4","5","3","4","5","1") = "5"
    & skf21("4","6","4","5","3","4","6","1") = "5"
    & skf21("4","6","4","5","3","4","7","1") = "6"
    & skf21("4","6","4","5","3","5","1","1") = "5"
    & skf21("4","6","4","5","3","5","2","1") = "5"
    & skf21("4","6","4","5","3","5","3","1") = "5"
    & skf21("4","6","4","5","3","5","4","1") = "5"
    & skf21("4","6","4","5","3","5","5","1") = "5"
    & skf21("4","6","4","5","3","5","6","1") = "5"
    & skf21("4","6","4","5","3","5","7","1") = "6"
    & skf21("4","6","4","5","3","6","1","1") = "5"
    & skf21("4","6","4","5","3","6","2","1") = "5"
    & skf21("4","6","4","5","3","6","3","1") = "5"
    & skf21("4","6","4","5","3","6","4","1") = "5"
    & skf21("4","6","4","5","3","6","5","1") = "5"
    & skf21("4","6","4","5","3","6","6","1") = "5"
    & skf21("4","6","4","5","3","6","7","1") = "6"
    & skf21("4","6","4","5","3","7","1","1") = "6"
    & skf21("4","6","4","5","3","7","2","1") = "6"
    & skf21("4","6","4","5","3","7","3","1") = "6"
    & skf21("4","6","4","5","3","7","4","1") = "6"
    & skf21("4","6","4","5","3","7","5","1") = "6"
    & skf21("4","6","4","5","3","7","6","1") = "6"
    & skf21("4","6","4","5","3","7","7","1") = "6"
    & skf21("4","6","4","5","4","1","1","1") = "5"
    & skf21("4","6","4","5","4","1","2","1") = "5"
    & skf21("4","6","4","5","4","1","3","1") = "5"
    & skf21("4","6","4","5","4","1","4","1") = "5"
    & skf21("4","6","4","5","4","1","5","1") = "5"
    & skf21("4","6","4","5","4","1","6","1") = "5"
    & skf21("4","6","4","5","4","1","7","1") = "6"
    & skf21("4","6","4","5","4","2","1","1") = "5"
    & skf21("4","6","4","5","4","2","2","1") = "5"
    & skf21("4","6","4","5","4","2","3","1") = "5"
    & skf21("4","6","4","5","4","2","4","1") = "5"
    & skf21("4","6","4","5","4","2","5","1") = "5"
    & skf21("4","6","4","5","4","2","6","1") = "5"
    & skf21("4","6","4","5","4","2","7","1") = "6"
    & skf21("4","6","4","5","4","3","1","1") = "5"
    & skf21("4","6","4","5","4","3","2","1") = "5"
    & skf21("4","6","4","5","4","3","3","1") = "5"
    & skf21("4","6","4","5","4","3","4","1") = "5"
    & skf21("4","6","4","5","4","3","5","1") = "5"
    & skf21("4","6","4","5","4","3","6","1") = "5"
    & skf21("4","6","4","5","4","3","7","1") = "6"
    & skf21("4","6","4","5","4","4","1","1") = "5"
    & skf21("4","6","4","5","4","4","2","1") = "5"
    & skf21("4","6","4","5","4","4","3","1") = "5"
    & skf21("4","6","4","5","4","4","4","1") = "5"
    & skf21("4","6","4","5","4","4","5","1") = "5"
    & skf21("4","6","4","5","4","4","6","1") = "5"
    & skf21("4","6","4","5","4","4","7","1") = "6"
    & skf21("4","6","4","5","4","5","1","1") = "5"
    & skf21("4","6","4","5","4","5","2","1") = "5"
    & skf21("4","6","4","5","4","5","3","1") = "5"
    & skf21("4","6","4","5","4","5","4","1") = "5"
    & skf21("4","6","4","5","4","5","5","1") = "5"
    & skf21("4","6","4","5","4","5","6","1") = "5"
    & skf21("4","6","4","5","4","5","7","1") = "6"
    & skf21("4","6","4","5","4","6","1","1") = "5"
    & skf21("4","6","4","5","4","6","2","1") = "5"
    & skf21("4","6","4","5","4","6","3","1") = "5"
    & skf21("4","6","4","5","4","6","4","1") = "5"
    & skf21("4","6","4","5","4","6","5","1") = "5"
    & skf21("4","6","4","5","4","6","6","1") = "5"
    & skf21("4","6","4","5","4","6","7","1") = "6"
    & skf21("4","6","4","5","4","7","1","1") = "6"
    & skf21("4","6","4","5","4","7","2","1") = "6"
    & skf21("4","6","4","5","4","7","3","1") = "6"
    & skf21("4","6","4","5","4","7","4","1") = "6"
    & skf21("4","6","4","5","4","7","5","1") = "6"
    & skf21("4","6","4","5","4","7","6","1") = "6"
    & skf21("4","6","4","5","4","7","7","1") = "6"
    & skf21("4","6","4","5","5","1","1","1") = "5"
    & skf21("4","6","4","5","5","1","2","1") = "5"
    & skf21("4","6","4","5","5","1","3","1") = "5"
    & skf21("4","6","4","5","5","1","4","1") = "5"
    & skf21("4","6","4","5","5","1","5","1") = "5"
    & skf21("4","6","4","5","5","1","6","1") = "5"
    & skf21("4","6","4","5","5","1","7","1") = "6"
    & skf21("4","6","4","5","5","2","1","1") = "5"
    & skf21("4","6","4","5","5","2","2","1") = "5"
    & skf21("4","6","4","5","5","2","3","1") = "5"
    & skf21("4","6","4","5","5","2","4","1") = "5"
    & skf21("4","6","4","5","5","2","5","1") = "5"
    & skf21("4","6","4","5","5","2","6","1") = "5"
    & skf21("4","6","4","5","5","2","7","1") = "6"
    & skf21("4","6","4","5","5","3","1","1") = "5"
    & skf21("4","6","4","5","5","3","2","1") = "5"
    & skf21("4","6","4","5","5","3","3","1") = "5"
    & skf21("4","6","4","5","5","3","4","1") = "5"
    & skf21("4","6","4","5","5","3","5","1") = "5"
    & skf21("4","6","4","5","5","3","6","1") = "5"
    & skf21("4","6","4","5","5","3","7","1") = "6"
    & skf21("4","6","4","5","5","4","1","1") = "5"
    & skf21("4","6","4","5","5","4","2","1") = "5"
    & skf21("4","6","4","5","5","4","3","1") = "5"
    & skf21("4","6","4","5","5","4","4","1") = "5"
    & skf21("4","6","4","5","5","4","5","1") = "5"
    & skf21("4","6","4","5","5","4","6","1") = "5"
    & skf21("4","6","4","5","5","4","7","1") = "6"
    & skf21("4","6","4","5","5","5","1","1") = "5"
    & skf21("4","6","4","5","5","5","2","1") = "5"
    & skf21("4","6","4","5","5","5","3","1") = "5"
    & skf21("4","6","4","5","5","5","4","1") = "5"
    & skf21("4","6","4","5","5","5","5","1") = "5"
    & skf21("4","6","4","5","5","5","6","1") = "5"
    & skf21("4","6","4","5","5","5","7","1") = "6"
    & skf21("4","6","4","5","5","6","1","1") = "5"
    & skf21("4","6","4","5","5","6","2","1") = "5"
    & skf21("4","6","4","5","5","6","3","1") = "5"
    & skf21("4","6","4","5","5","6","4","1") = "5"
    & skf21("4","6","4","5","5","6","5","1") = "5"
    & skf21("4","6","4","5","5","6","6","1") = "5"
    & skf21("4","6","4","5","5","6","7","1") = "6"
    & skf21("4","6","4","5","5","7","1","1") = "6"
    & skf21("4","6","4","5","5","7","2","1") = "6"
    & skf21("4","6","4","5","5","7","3","1") = "6"
    & skf21("4","6","4","5","5","7","4","1") = "6"
    & skf21("4","6","4","5","5","7","5","1") = "6"
    & skf21("4","6","4","5","5","7","6","1") = "6"
    & skf21("4","6","4","5","5","7","7","1") = "6"
    & skf21("4","6","4","5","6","1","1","1") = "5"
    & skf21("4","6","4","5","6","1","2","1") = "5"
    & skf21("4","6","4","5","6","1","3","1") = "5"
    & skf21("4","6","4","5","6","1","4","1") = "5"
    & skf21("4","6","4","5","6","1","5","1") = "5"
    & skf21("4","6","4","5","6","1","6","1") = "5"
    & skf21("4","6","4","5","6","1","7","1") = "6"
    & skf21("4","6","4","5","6","2","1","1") = "5"
    & skf21("4","6","4","5","6","2","2","1") = "5"
    & skf21("4","6","4","5","6","2","3","1") = "5"
    & skf21("4","6","4","5","6","2","4","1") = "5"
    & skf21("4","6","4","5","6","2","5","1") = "5"
    & skf21("4","6","4","5","6","2","6","1") = "5"
    & skf21("4","6","4","5","6","2","7","1") = "6"
    & skf21("4","6","4","5","6","3","1","1") = "5"
    & skf21("4","6","4","5","6","3","2","1") = "5"
    & skf21("4","6","4","5","6","3","3","1") = "5"
    & skf21("4","6","4","5","6","3","4","1") = "5"
    & skf21("4","6","4","5","6","3","5","1") = "5"
    & skf21("4","6","4","5","6","3","6","1") = "5"
    & skf21("4","6","4","5","6","3","7","1") = "6"
    & skf21("4","6","4","5","6","4","1","1") = "5"
    & skf21("4","6","4","5","6","4","2","1") = "5"
    & skf21("4","6","4","5","6","4","3","1") = "5"
    & skf21("4","6","4","5","6","4","4","1") = "5"
    & skf21("4","6","4","5","6","4","5","1") = "5"
    & skf21("4","6","4","5","6","4","6","1") = "5"
    & skf21("4","6","4","5","6","4","7","1") = "6"
    & skf21("4","6","4","5","6","5","1","1") = "5"
    & skf21("4","6","4","5","6","5","2","1") = "5"
    & skf21("4","6","4","5","6","5","3","1") = "5"
    & skf21("4","6","4","5","6","5","4","1") = "5"
    & skf21("4","6","4","5","6","5","5","1") = "5"
    & skf21("4","6","4","5","6","5","6","1") = "5"
    & skf21("4","6","4","5","6","5","7","1") = "6"
    & skf21("4","6","4","5","6","6","1","1") = "5"
    & skf21("4","6","4","5","6","6","2","1") = "5"
    & skf21("4","6","4","5","6","6","3","1") = "5"
    & skf21("4","6","4","5","6","6","4","1") = "5"
    & skf21("4","6","4","5","6","6","5","1") = "5"
    & skf21("4","6","4","5","6","6","6","1") = "5"
    & skf21("4","6","4","5","6","6","7","1") = "6"
    & skf21("4","6","4","5","6","7","1","1") = "6"
    & skf21("4","6","4","5","6","7","2","1") = "6"
    & skf21("4","6","4","5","6","7","3","1") = "6"
    & skf21("4","6","4","5","6","7","4","1") = "6"
    & skf21("4","6","4","5","6","7","5","1") = "6"
    & skf21("4","6","4","5","6","7","6","1") = "6"
    & skf21("4","6","4","5","6","7","7","1") = "6"
    & skf21("4","6","4","5","7","1","1","1") = "6"
    & skf21("4","6","4","5","7","1","2","1") = "6"
    & skf21("4","6","4","5","7","1","3","1") = "6"
    & skf21("4","6","4","5","7","1","4","1") = "6"
    & skf21("4","6","4","5","7","1","5","1") = "6"
    & skf21("4","6","4","5","7","1","6","1") = "6"
    & skf21("4","6","4","5","7","1","7","1") = "6"
    & skf21("4","6","4","5","7","2","1","1") = "6"
    & skf21("4","6","4","5","7","2","2","1") = "6"
    & skf21("4","6","4","5","7","2","3","1") = "6"
    & skf21("4","6","4","5","7","2","4","1") = "6"
    & skf21("4","6","4","5","7","2","5","1") = "6"
    & skf21("4","6","4","5","7","2","6","1") = "6"
    & skf21("4","6","4","5","7","2","7","1") = "6"
    & skf21("4","6","4","5","7","3","1","1") = "6"
    & skf21("4","6","4","5","7","3","2","1") = "6"
    & skf21("4","6","4","5","7","3","3","1") = "6"
    & skf21("4","6","4","5","7","3","4","1") = "6"
    & skf21("4","6","4","5","7","3","5","1") = "6"
    & skf21("4","6","4","5","7","3","6","1") = "6"
    & skf21("4","6","4","5","7","3","7","1") = "6"
    & skf21("4","6","4","5","7","4","1","1") = "6"
    & skf21("4","6","4","5","7","4","2","1") = "6"
    & skf21("4","6","4","5","7","4","3","1") = "6"
    & skf21("4","6","4","5","7","4","4","1") = "6"
    & skf21("4","6","4","5","7","4","5","1") = "6"
    & skf21("4","6","4","5","7","4","6","1") = "6"
    & skf21("4","6","4","5","7","4","7","1") = "6"
    & skf21("4","6","4","5","7","5","1","1") = "6"
    & skf21("4","6","4","5","7","5","2","1") = "6"
    & skf21("4","6","4","5","7","5","3","1") = "6"
    & skf21("4","6","4","5","7","5","4","1") = "6"
    & skf21("4","6","4","5","7","5","5","1") = "6"
    & skf21("4","6","4","5","7","5","6","1") = "6"
    & skf21("4","6","4","5","7","5","7","1") = "6"
    & skf21("4","6","4","5","7","6","1","1") = "6"
    & skf21("4","6","4","5","7","6","2","1") = "6"
    & skf21("4","6","4","5","7","6","3","1") = "6"
    & skf21("4","6","4","5","7","6","4","1") = "6"
    & skf21("4","6","4","5","7","6","5","1") = "6"
    & skf21("4","6","4","5","7","6","6","1") = "6"
    & skf21("4","6","4","5","7","6","7","1") = "6"
    & skf21("4","6","4","5","7","7","1","1") = "6"
    & skf21("4","6","4","5","7","7","2","1") = "6"
    & skf21("4","6","4","5","7","7","3","1") = "6"
    & skf21("4","6","4","5","7","7","4","1") = "6"
    & skf21("4","6","4","5","7","7","5","1") = "6"
    & skf21("4","6","4","5","7","7","6","1") = "6"
    & skf21("4","6","4","5","7","7","7","1") = "6"
    & skf21("4","6","4","6","1","1","1","1") = "5"
    & skf21("4","6","4","6","1","1","2","1") = "5"
    & skf21("4","6","4","6","1","1","3","1") = "5"
    & skf21("4","6","4","6","1","1","4","1") = "5"
    & skf21("4","6","4","6","1","1","5","1") = "5"
    & skf21("4","6","4","6","1","1","6","1") = "5"
    & skf21("4","6","4","6","1","1","7","1") = "6"
    & skf21("4","6","4","6","1","2","1","1") = "5"
    & skf21("4","6","4","6","1","2","2","1") = "5"
    & skf21("4","6","4","6","1","2","3","1") = "5"
    & skf21("4","6","4","6","1","2","4","1") = "5"
    & skf21("4","6","4","6","1","2","5","1") = "5"
    & skf21("4","6","4","6","1","2","6","1") = "5"
    & skf21("4","6","4","6","1","2","7","1") = "6"
    & skf21("4","6","4","6","1","3","1","1") = "5"
    & skf21("4","6","4","6","1","3","2","1") = "5"
    & skf21("4","6","4","6","1","3","3","1") = "5"
    & skf21("4","6","4","6","1","3","4","1") = "5"
    & skf21("4","6","4","6","1","3","5","1") = "5"
    & skf21("4","6","4","6","1","3","6","1") = "5"
    & skf21("4","6","4","6","1","3","7","1") = "6"
    & skf21("4","6","4","6","1","4","1","1") = "5"
    & skf21("4","6","4","6","1","4","2","1") = "5"
    & skf21("4","6","4","6","1","4","3","1") = "5"
    & skf21("4","6","4","6","1","4","4","1") = "5"
    & skf21("4","6","4","6","1","4","5","1") = "5"
    & skf21("4","6","4","6","1","4","6","1") = "5"
    & skf21("4","6","4","6","1","4","7","1") = "6"
    & skf21("4","6","4","6","1","5","1","1") = "5"
    & skf21("4","6","4","6","1","5","2","1") = "5"
    & skf21("4","6","4","6","1","5","3","1") = "5"
    & skf21("4","6","4","6","1","5","4","1") = "5"
    & skf21("4","6","4","6","1","5","5","1") = "5"
    & skf21("4","6","4","6","1","5","6","1") = "5"
    & skf21("4","6","4","6","1","5","7","1") = "6"
    & skf21("4","6","4","6","1","6","1","1") = "5"
    & skf21("4","6","4","6","1","6","2","1") = "5"
    & skf21("4","6","4","6","1","6","3","1") = "5"
    & skf21("4","6","4","6","1","6","4","1") = "5"
    & skf21("4","6","4","6","1","6","5","1") = "5"
    & skf21("4","6","4","6","1","6","6","1") = "5"
    & skf21("4","6","4","6","1","6","7","1") = "6"
    & skf21("4","6","4","6","1","7","1","1") = "6"
    & skf21("4","6","4","6","1","7","2","1") = "6"
    & skf21("4","6","4","6","1","7","3","1") = "6"
    & skf21("4","6","4","6","1","7","4","1") = "6"
    & skf21("4","6","4","6","1","7","5","1") = "6"
    & skf21("4","6","4","6","1","7","6","1") = "6"
    & skf21("4","6","4","6","1","7","7","1") = "6"
    & skf21("4","6","4","6","2","1","1","1") = "5"
    & skf21("4","6","4","6","2","1","2","1") = "5"
    & skf21("4","6","4","6","2","1","3","1") = "5"
    & skf21("4","6","4","6","2","1","4","1") = "5"
    & skf21("4","6","4","6","2","1","5","1") = "5"
    & skf21("4","6","4","6","2","1","6","1") = "5"
    & skf21("4","6","4","6","2","1","7","1") = "6"
    & skf21("4","6","4","6","2","2","1","1") = "5"
    & skf21("4","6","4","6","2","2","2","1") = "5"
    & skf21("4","6","4","6","2","2","3","1") = "5"
    & skf21("4","6","4","6","2","2","4","1") = "5"
    & skf21("4","6","4","6","2","2","5","1") = "5"
    & skf21("4","6","4","6","2","2","6","1") = "5"
    & skf21("4","6","4","6","2","2","7","1") = "6"
    & skf21("4","6","4","6","2","3","1","1") = "5"
    & skf21("4","6","4","6","2","3","2","1") = "5"
    & skf21("4","6","4","6","2","3","3","1") = "5"
    & skf21("4","6","4","6","2","3","4","1") = "5"
    & skf21("4","6","4","6","2","3","5","1") = "5"
    & skf21("4","6","4","6","2","3","6","1") = "5"
    & skf21("4","6","4","6","2","3","7","1") = "6"
    & skf21("4","6","4","6","2","4","1","1") = "5"
    & skf21("4","6","4","6","2","4","2","1") = "5"
    & skf21("4","6","4","6","2","4","3","1") = "5"
    & skf21("4","6","4","6","2","4","4","1") = "5"
    & skf21("4","6","4","6","2","4","5","1") = "5"
    & skf21("4","6","4","6","2","4","6","1") = "5"
    & skf21("4","6","4","6","2","4","7","1") = "6"
    & skf21("4","6","4","6","2","5","1","1") = "5"
    & skf21("4","6","4","6","2","5","2","1") = "5"
    & skf21("4","6","4","6","2","5","3","1") = "5"
    & skf21("4","6","4","6","2","5","4","1") = "5"
    & skf21("4","6","4","6","2","5","5","1") = "5"
    & skf21("4","6","4","6","2","5","6","1") = "5"
    & skf21("4","6","4","6","2","5","7","1") = "6"
    & skf21("4","6","4","6","2","6","1","1") = "5"
    & skf21("4","6","4","6","2","6","2","1") = "5"
    & skf21("4","6","4","6","2","6","3","1") = "5"
    & skf21("4","6","4","6","2","6","4","1") = "5"
    & skf21("4","6","4","6","2","6","5","1") = "5"
    & skf21("4","6","4","6","2","6","6","1") = "5"
    & skf21("4","6","4","6","2","6","7","1") = "6"
    & skf21("4","6","4","6","2","7","1","1") = "6"
    & skf21("4","6","4","6","2","7","2","1") = "6"
    & skf21("4","6","4","6","2","7","3","1") = "6"
    & skf21("4","6","4","6","2","7","4","1") = "6"
    & skf21("4","6","4","6","2","7","5","1") = "6"
    & skf21("4","6","4","6","2","7","6","1") = "6"
    & skf21("4","6","4","6","2","7","7","1") = "6"
    & skf21("4","6","4","6","3","1","1","1") = "5"
    & skf21("4","6","4","6","3","1","2","1") = "5"
    & skf21("4","6","4","6","3","1","3","1") = "5"
    & skf21("4","6","4","6","3","1","4","1") = "5"
    & skf21("4","6","4","6","3","1","5","1") = "5"
    & skf21("4","6","4","6","3","1","6","1") = "5"
    & skf21("4","6","4","6","3","1","7","1") = "6"
    & skf21("4","6","4","6","3","2","1","1") = "5"
    & skf21("4","6","4","6","3","2","2","1") = "5"
    & skf21("4","6","4","6","3","2","3","1") = "5"
    & skf21("4","6","4","6","3","2","4","1") = "5"
    & skf21("4","6","4","6","3","2","5","1") = "5"
    & skf21("4","6","4","6","3","2","6","1") = "5"
    & skf21("4","6","4","6","3","2","7","1") = "6"
    & skf21("4","6","4","6","3","3","1","1") = "5"
    & skf21("4","6","4","6","3","3","2","1") = "5"
    & skf21("4","6","4","6","3","3","3","1") = "5"
    & skf21("4","6","4","6","3","3","4","1") = "5"
    & skf21("4","6","4","6","3","3","5","1") = "5"
    & skf21("4","6","4","6","3","3","6","1") = "5"
    & skf21("4","6","4","6","3","3","7","1") = "6"
    & skf21("4","6","4","6","3","4","1","1") = "5"
    & skf21("4","6","4","6","3","4","2","1") = "5"
    & skf21("4","6","4","6","3","4","3","1") = "5"
    & skf21("4","6","4","6","3","4","4","1") = "5"
    & skf21("4","6","4","6","3","4","5","1") = "5"
    & skf21("4","6","4","6","3","4","6","1") = "5"
    & skf21("4","6","4","6","3","4","7","1") = "6"
    & skf21("4","6","4","6","3","5","1","1") = "5"
    & skf21("4","6","4","6","3","5","2","1") = "5"
    & skf21("4","6","4","6","3","5","3","1") = "5"
    & skf21("4","6","4","6","3","5","4","1") = "5"
    & skf21("4","6","4","6","3","5","5","1") = "5"
    & skf21("4","6","4","6","3","5","6","1") = "5"
    & skf21("4","6","4","6","3","5","7","1") = "6"
    & skf21("4","6","4","6","3","6","1","1") = "5"
    & skf21("4","6","4","6","3","6","2","1") = "5"
    & skf21("4","6","4","6","3","6","3","1") = "5"
    & skf21("4","6","4","6","3","6","4","1") = "5"
    & skf21("4","6","4","6","3","6","5","1") = "5"
    & skf21("4","6","4","6","3","6","6","1") = "5"
    & skf21("4","6","4","6","3","6","7","1") = "6"
    & skf21("4","6","4","6","3","7","1","1") = "6"
    & skf21("4","6","4","6","3","7","2","1") = "6"
    & skf21("4","6","4","6","3","7","3","1") = "6"
    & skf21("4","6","4","6","3","7","4","1") = "6"
    & skf21("4","6","4","6","3","7","5","1") = "6"
    & skf21("4","6","4","6","3","7","6","1") = "6"
    & skf21("4","6","4","6","3","7","7","1") = "6"
    & skf21("4","6","4","6","4","1","1","1") = "5"
    & skf21("4","6","4","6","4","1","2","1") = "5"
    & skf21("4","6","4","6","4","1","3","1") = "5"
    & skf21("4","6","4","6","4","1","4","1") = "5"
    & skf21("4","6","4","6","4","1","5","1") = "5"
    & skf21("4","6","4","6","4","1","6","1") = "5"
    & skf21("4","6","4","6","4","1","7","1") = "6"
    & skf21("4","6","4","6","4","2","1","1") = "5"
    & skf21("4","6","4","6","4","2","2","1") = "5"
    & skf21("4","6","4","6","4","2","3","1") = "5"
    & skf21("4","6","4","6","4","2","4","1") = "5"
    & skf21("4","6","4","6","4","2","5","1") = "5"
    & skf21("4","6","4","6","4","2","6","1") = "5"
    & skf21("4","6","4","6","4","2","7","1") = "6"
    & skf21("4","6","4","6","4","3","1","1") = "5"
    & skf21("4","6","4","6","4","3","2","1") = "5"
    & skf21("4","6","4","6","4","3","3","1") = "5"
    & skf21("4","6","4","6","4","3","4","1") = "5"
    & skf21("4","6","4","6","4","3","5","1") = "5"
    & skf21("4","6","4","6","4","3","6","1") = "5"
    & skf21("4","6","4","6","4","3","7","1") = "6"
    & skf21("4","6","4","6","4","4","1","1") = "5"
    & skf21("4","6","4","6","4","4","2","1") = "5"
    & skf21("4","6","4","6","4","4","3","1") = "5"
    & skf21("4","6","4","6","4","4","4","1") = "5"
    & skf21("4","6","4","6","4","4","5","1") = "5"
    & skf21("4","6","4","6","4","4","6","1") = "5"
    & skf21("4","6","4","6","4","4","7","1") = "6"
    & skf21("4","6","4","6","4","5","1","1") = "5"
    & skf21("4","6","4","6","4","5","2","1") = "5"
    & skf21("4","6","4","6","4","5","3","1") = "5"
    & skf21("4","6","4","6","4","5","4","1") = "5"
    & skf21("4","6","4","6","4","5","5","1") = "5"
    & skf21("4","6","4","6","4","5","6","1") = "5"
    & skf21("4","6","4","6","4","5","7","1") = "6"
    & skf21("4","6","4","6","4","6","1","1") = "5"
    & skf21("4","6","4","6","4","6","2","1") = "5"
    & skf21("4","6","4","6","4","6","3","1") = "5"
    & skf21("4","6","4","6","4","6","4","1") = "5"
    & skf21("4","6","4","6","4","6","5","1") = "5"
    & skf21("4","6","4","6","4","6","6","1") = "5"
    & skf21("4","6","4","6","4","6","7","1") = "6"
    & skf21("4","6","4","6","4","7","1","1") = "6"
    & skf21("4","6","4","6","4","7","2","1") = "6"
    & skf21("4","6","4","6","4","7","3","1") = "6"
    & skf21("4","6","4","6","4","7","4","1") = "6"
    & skf21("4","6","4","6","4","7","5","1") = "6"
    & skf21("4","6","4","6","4","7","6","1") = "6"
    & skf21("4","6","4","6","4","7","7","1") = "6"
    & skf21("4","6","4","6","5","1","1","1") = "5"
    & skf21("4","6","4","6","5","1","2","1") = "5"
    & skf21("4","6","4","6","5","1","3","1") = "5"
    & skf21("4","6","4","6","5","1","4","1") = "5"
    & skf21("4","6","4","6","5","1","5","1") = "5"
    & skf21("4","6","4","6","5","1","6","1") = "5"
    & skf21("4","6","4","6","5","1","7","1") = "6"
    & skf21("4","6","4","6","5","2","1","1") = "5"
    & skf21("4","6","4","6","5","2","2","1") = "5"
    & skf21("4","6","4","6","5","2","3","1") = "5"
    & skf21("4","6","4","6","5","2","4","1") = "5"
    & skf21("4","6","4","6","5","2","5","1") = "5"
    & skf21("4","6","4","6","5","2","6","1") = "5"
    & skf21("4","6","4","6","5","2","7","1") = "6"
    & skf21("4","6","4","6","5","3","1","1") = "5"
    & skf21("4","6","4","6","5","3","2","1") = "5"
    & skf21("4","6","4","6","5","3","3","1") = "5"
    & skf21("4","6","4","6","5","3","4","1") = "5"
    & skf21("4","6","4","6","5","3","5","1") = "5"
    & skf21("4","6","4","6","5","3","6","1") = "5"
    & skf21("4","6","4","6","5","3","7","1") = "6"
    & skf21("4","6","4","6","5","4","1","1") = "5"
    & skf21("4","6","4","6","5","4","2","1") = "5"
    & skf21("4","6","4","6","5","4","3","1") = "5"
    & skf21("4","6","4","6","5","4","4","1") = "5"
    & skf21("4","6","4","6","5","4","5","1") = "5"
    & skf21("4","6","4","6","5","4","6","1") = "5"
    & skf21("4","6","4","6","5","4","7","1") = "6"
    & skf21("4","6","4","6","5","5","1","1") = "5"
    & skf21("4","6","4","6","5","5","2","1") = "5"
    & skf21("4","6","4","6","5","5","3","1") = "5"
    & skf21("4","6","4","6","5","5","4","1") = "5"
    & skf21("4","6","4","6","5","5","5","1") = "5"
    & skf21("4","6","4","6","5","5","6","1") = "5"
    & skf21("4","6","4","6","5","5","7","1") = "6"
    & skf21("4","6","4","6","5","6","1","1") = "5"
    & skf21("4","6","4","6","5","6","2","1") = "5"
    & skf21("4","6","4","6","5","6","3","1") = "5"
    & skf21("4","6","4","6","5","6","4","1") = "5"
    & skf21("4","6","4","6","5","6","5","1") = "5"
    & skf21("4","6","4","6","5","6","6","1") = "5"
    & skf21("4","6","4","6","5","6","7","1") = "6"
    & skf21("4","6","4","6","5","7","1","1") = "6"
    & skf21("4","6","4","6","5","7","2","1") = "6"
    & skf21("4","6","4","6","5","7","3","1") = "6"
    & skf21("4","6","4","6","5","7","4","1") = "6"
    & skf21("4","6","4","6","5","7","5","1") = "6"
    & skf21("4","6","4","6","5","7","6","1") = "6"
    & skf21("4","6","4","6","5","7","7","1") = "6"
    & skf21("4","6","4","6","6","1","1","1") = "5"
    & skf21("4","6","4","6","6","1","2","1") = "5"
    & skf21("4","6","4","6","6","1","3","1") = "5"
    & skf21("4","6","4","6","6","1","4","1") = "5"
    & skf21("4","6","4","6","6","1","5","1") = "5"
    & skf21("4","6","4","6","6","1","6","1") = "5"
    & skf21("4","6","4","6","6","1","7","1") = "6"
    & skf21("4","6","4","6","6","2","1","1") = "5"
    & skf21("4","6","4","6","6","2","2","1") = "5"
    & skf21("4","6","4","6","6","2","3","1") = "5"
    & skf21("4","6","4","6","6","2","4","1") = "5"
    & skf21("4","6","4","6","6","2","5","1") = "5"
    & skf21("4","6","4","6","6","2","6","1") = "5"
    & skf21("4","6","4","6","6","2","7","1") = "6"
    & skf21("4","6","4","6","6","3","1","1") = "5"
    & skf21("4","6","4","6","6","3","2","1") = "5"
    & skf21("4","6","4","6","6","3","3","1") = "5"
    & skf21("4","6","4","6","6","3","4","1") = "5"
    & skf21("4","6","4","6","6","3","5","1") = "5"
    & skf21("4","6","4","6","6","3","6","1") = "5"
    & skf21("4","6","4","6","6","3","7","1") = "6"
    & skf21("4","6","4","6","6","4","1","1") = "5"
    & skf21("4","6","4","6","6","4","2","1") = "5"
    & skf21("4","6","4","6","6","4","3","1") = "5"
    & skf21("4","6","4","6","6","4","4","1") = "5"
    & skf21("4","6","4","6","6","4","5","1") = "5"
    & skf21("4","6","4","6","6","4","6","1") = "5"
    & skf21("4","6","4","6","6","4","7","1") = "6"
    & skf21("4","6","4","6","6","5","1","1") = "5"
    & skf21("4","6","4","6","6","5","2","1") = "5"
    & skf21("4","6","4","6","6","5","3","1") = "5"
    & skf21("4","6","4","6","6","5","4","1") = "5"
    & skf21("4","6","4","6","6","5","5","1") = "5"
    & skf21("4","6","4","6","6","5","6","1") = "5"
    & skf21("4","6","4","6","6","5","7","1") = "6"
    & skf21("4","6","4","6","6","6","1","1") = "5"
    & skf21("4","6","4","6","6","6","2","1") = "5"
    & skf21("4","6","4","6","6","6","3","1") = "5"
    & skf21("4","6","4","6","6","6","4","1") = "5"
    & skf21("4","6","4","6","6","6","5","1") = "5"
    & skf21("4","6","4","6","6","6","6","1") = "5"
    & skf21("4","6","4","6","6","6","7","1") = "6"
    & skf21("4","6","4","6","6","7","1","1") = "6"
    & skf21("4","6","4","6","6","7","2","1") = "6"
    & skf21("4","6","4","6","6","7","3","1") = "6"
    & skf21("4","6","4","6","6","7","4","1") = "6"
    & skf21("4","6","4","6","6","7","5","1") = "6"
    & skf21("4","6","4","6","6","7","6","1") = "6"
    & skf21("4","6","4","6","6","7","7","1") = "6"
    & skf21("4","6","4","6","7","1","1","1") = "6"
    & skf21("4","6","4","6","7","1","2","1") = "6"
    & skf21("4","6","4","6","7","1","3","1") = "6"
    & skf21("4","6","4","6","7","1","4","1") = "6"
    & skf21("4","6","4","6","7","1","5","1") = "6"
    & skf21("4","6","4","6","7","1","6","1") = "6"
    & skf21("4","6","4","6","7","1","7","1") = "6"
    & skf21("4","6","4","6","7","2","1","1") = "6"
    & skf21("4","6","4","6","7","2","2","1") = "6"
    & skf21("4","6","4","6","7","2","3","1") = "6"
    & skf21("4","6","4","6","7","2","4","1") = "6"
    & skf21("4","6","4","6","7","2","5","1") = "6"
    & skf21("4","6","4","6","7","2","6","1") = "6"
    & skf21("4","6","4","6","7","2","7","1") = "6"
    & skf21("4","6","4","6","7","3","1","1") = "6"
    & skf21("4","6","4","6","7","3","2","1") = "6"
    & skf21("4","6","4","6","7","3","3","1") = "6"
    & skf21("4","6","4","6","7","3","4","1") = "6"
    & skf21("4","6","4","6","7","3","5","1") = "6"
    & skf21("4","6","4","6","7","3","6","1") = "6"
    & skf21("4","6","4","6","7","3","7","1") = "6"
    & skf21("4","6","4","6","7","4","1","1") = "6"
    & skf21("4","6","4","6","7","4","2","1") = "6"
    & skf21("4","6","4","6","7","4","3","1") = "6"
    & skf21("4","6","4","6","7","4","4","1") = "6"
    & skf21("4","6","4","6","7","4","5","1") = "6"
    & skf21("4","6","4","6","7","4","6","1") = "6"
    & skf21("4","6","4","6","7","4","7","1") = "6"
    & skf21("4","6","4","6","7","5","1","1") = "6"
    & skf21("4","6","4","6","7","5","2","1") = "6"
    & skf21("4","6","4","6","7","5","3","1") = "6"
    & skf21("4","6","4","6","7","5","4","1") = "6"
    & skf21("4","6","4","6","7","5","5","1") = "6"
    & skf21("4","6","4","6","7","5","6","1") = "6"
    & skf21("4","6","4","6","7","5","7","1") = "6"
    & skf21("4","6","4","6","7","6","1","1") = "6"
    & skf21("4","6","4","6","7","6","2","1") = "6"
    & skf21("4","6","4","6","7","6","3","1") = "6"
    & skf21("4","6","4","6","7","6","4","1") = "6"
    & skf21("4","6","4","6","7","6","5","1") = "6"
    & skf21("4","6","4","6","7","6","6","1") = "6"
    & skf21("4","6","4","6","7","6","7","1") = "6"
    & skf21("4","6","4","6","7","7","1","1") = "6"
    & skf21("4","6","4","6","7","7","2","1") = "6"
    & skf21("4","6","4","6","7","7","3","1") = "6"
    & skf21("4","6","4","6","7","7","4","1") = "6"
    & skf21("4","6","4","6","7","7","5","1") = "6"
    & skf21("4","6","4","6","7","7","6","1") = "6"
    & skf21("4","6","4","6","7","7","7","1") = "6"
    & skf21("4","6","4","7","1","1","1","1") = "6"
    & skf21("4","6","4","7","1","1","2","1") = "6"
    & skf21("4","6","4","7","1","1","3","1") = "6"
    & skf21("4","6","4","7","1","1","4","1") = "6"
    & skf21("4","6","4","7","1","1","5","1") = "6"
    & skf21("4","6","4","7","1","1","6","1") = "6"
    & skf21("4","6","4","7","1","1","7","1") = "6"
    & skf21("4","6","4","7","1","2","1","1") = "6"
    & skf21("4","6","4","7","1","2","2","1") = "6"
    & skf21("4","6","4","7","1","2","3","1") = "6"
    & skf21("4","6","4","7","1","2","4","1") = "6"
    & skf21("4","6","4","7","1","2","5","1") = "6"
    & skf21("4","6","4","7","1","2","6","1") = "6"
    & skf21("4","6","4","7","1","2","7","1") = "6"
    & skf21("4","6","4","7","1","3","1","1") = "6"
    & skf21("4","6","4","7","1","3","2","1") = "6"
    & skf21("4","6","4","7","1","3","3","1") = "6"
    & skf21("4","6","4","7","1","3","4","1") = "6"
    & skf21("4","6","4","7","1","3","5","1") = "6"
    & skf21("4","6","4","7","1","3","6","1") = "6"
    & skf21("4","6","4","7","1","3","7","1") = "6"
    & skf21("4","6","4","7","1","4","1","1") = "6"
    & skf21("4","6","4","7","1","4","2","1") = "6"
    & skf21("4","6","4","7","1","4","3","1") = "6"
    & skf21("4","6","4","7","1","4","4","1") = "6"
    & skf21("4","6","4","7","1","4","5","1") = "6"
    & skf21("4","6","4","7","1","4","6","1") = "6"
    & skf21("4","6","4","7","1","4","7","1") = "6"
    & skf21("4","6","4","7","1","5","1","1") = "6"
    & skf21("4","6","4","7","1","5","2","1") = "6"
    & skf21("4","6","4","7","1","5","3","1") = "6"
    & skf21("4","6","4","7","1","5","4","1") = "6"
    & skf21("4","6","4","7","1","5","5","1") = "6"
    & skf21("4","6","4","7","1","5","6","1") = "6"
    & skf21("4","6","4","7","1","5","7","1") = "6"
    & skf21("4","6","4","7","1","6","1","1") = "6"
    & skf21("4","6","4","7","1","6","2","1") = "6"
    & skf21("4","6","4","7","1","6","3","1") = "6"
    & skf21("4","6","4","7","1","6","4","1") = "6"
    & skf21("4","6","4","7","1","6","5","1") = "6"
    & skf21("4","6","4","7","1","6","6","1") = "6"
    & skf21("4","6","4","7","1","6","7","1") = "6"
    & skf21("4","6","4","7","1","7","1","1") = "6"
    & skf21("4","6","4","7","1","7","2","1") = "6"
    & skf21("4","6","4","7","1","7","3","1") = "6"
    & skf21("4","6","4","7","1","7","4","1") = "6"
    & skf21("4","6","4","7","1","7","5","1") = "6"
    & skf21("4","6","4","7","1","7","6","1") = "6"
    & skf21("4","6","4","7","1","7","7","1") = "6"
    & skf21("4","6","4","7","2","1","1","1") = "6"
    & skf21("4","6","4","7","2","1","2","1") = "6"
    & skf21("4","6","4","7","2","1","3","1") = "6"
    & skf21("4","6","4","7","2","1","4","1") = "6"
    & skf21("4","6","4","7","2","1","5","1") = "6"
    & skf21("4","6","4","7","2","1","6","1") = "6"
    & skf21("4","6","4","7","2","1","7","1") = "6"
    & skf21("4","6","4","7","2","2","1","1") = "6"
    & skf21("4","6","4","7","2","2","2","1") = "6"
    & skf21("4","6","4","7","2","2","3","1") = "6"
    & skf21("4","6","4","7","2","2","4","1") = "6"
    & skf21("4","6","4","7","2","2","5","1") = "6"
    & skf21("4","6","4","7","2","2","6","1") = "6"
    & skf21("4","6","4","7","2","2","7","1") = "6"
    & skf21("4","6","4","7","2","3","1","1") = "6"
    & skf21("4","6","4","7","2","3","2","1") = "6"
    & skf21("4","6","4","7","2","3","3","1") = "6"
    & skf21("4","6","4","7","2","3","4","1") = "6"
    & skf21("4","6","4","7","2","3","5","1") = "6"
    & skf21("4","6","4","7","2","3","6","1") = "6"
    & skf21("4","6","4","7","2","3","7","1") = "6"
    & skf21("4","6","4","7","2","4","1","1") = "6"
    & skf21("4","6","4","7","2","4","2","1") = "6"
    & skf21("4","6","4","7","2","4","3","1") = "6"
    & skf21("4","6","4","7","2","4","4","1") = "6"
    & skf21("4","6","4","7","2","4","5","1") = "6"
    & skf21("4","6","4","7","2","4","6","1") = "6"
    & skf21("4","6","4","7","2","4","7","1") = "6"
    & skf21("4","6","4","7","2","5","1","1") = "6"
    & skf21("4","6","4","7","2","5","2","1") = "6"
    & skf21("4","6","4","7","2","5","3","1") = "6"
    & skf21("4","6","4","7","2","5","4","1") = "6"
    & skf21("4","6","4","7","2","5","5","1") = "6"
    & skf21("4","6","4","7","2","5","6","1") = "6"
    & skf21("4","6","4","7","2","5","7","1") = "6"
    & skf21("4","6","4","7","2","6","1","1") = "6"
    & skf21("4","6","4","7","2","6","2","1") = "6"
    & skf21("4","6","4","7","2","6","3","1") = "6"
    & skf21("4","6","4","7","2","6","4","1") = "6"
    & skf21("4","6","4","7","2","6","5","1") = "6"
    & skf21("4","6","4","7","2","6","6","1") = "6"
    & skf21("4","6","4","7","2","6","7","1") = "6"
    & skf21("4","6","4","7","2","7","1","1") = "6"
    & skf21("4","6","4","7","2","7","2","1") = "6"
    & skf21("4","6","4","7","2","7","3","1") = "6"
    & skf21("4","6","4","7","2","7","4","1") = "6"
    & skf21("4","6","4","7","2","7","5","1") = "6"
    & skf21("4","6","4","7","2","7","6","1") = "6"
    & skf21("4","6","4","7","2","7","7","1") = "6"
    & skf21("4","6","4","7","3","1","1","1") = "6"
    & skf21("4","6","4","7","3","1","2","1") = "6"
    & skf21("4","6","4","7","3","1","3","1") = "6"
    & skf21("4","6","4","7","3","1","4","1") = "6"
    & skf21("4","6","4","7","3","1","5","1") = "6"
    & skf21("4","6","4","7","3","1","6","1") = "6"
    & skf21("4","6","4","7","3","1","7","1") = "6"
    & skf21("4","6","4","7","3","2","1","1") = "6"
    & skf21("4","6","4","7","3","2","2","1") = "6"
    & skf21("4","6","4","7","3","2","3","1") = "6"
    & skf21("4","6","4","7","3","2","4","1") = "6"
    & skf21("4","6","4","7","3","2","5","1") = "6"
    & skf21("4","6","4","7","3","2","6","1") = "6"
    & skf21("4","6","4","7","3","2","7","1") = "6"
    & skf21("4","6","4","7","3","3","1","1") = "6"
    & skf21("4","6","4","7","3","3","2","1") = "6"
    & skf21("4","6","4","7","3","3","3","1") = "6"
    & skf21("4","6","4","7","3","3","4","1") = "6"
    & skf21("4","6","4","7","3","3","5","1") = "6"
    & skf21("4","6","4","7","3","3","6","1") = "6"
    & skf21("4","6","4","7","3","3","7","1") = "6"
    & skf21("4","6","4","7","3","4","1","1") = "6"
    & skf21("4","6","4","7","3","4","2","1") = "6"
    & skf21("4","6","4","7","3","4","3","1") = "6"
    & skf21("4","6","4","7","3","4","4","1") = "6"
    & skf21("4","6","4","7","3","4","5","1") = "6"
    & skf21("4","6","4","7","3","4","6","1") = "6"
    & skf21("4","6","4","7","3","4","7","1") = "6"
    & skf21("4","6","4","7","3","5","1","1") = "6"
    & skf21("4","6","4","7","3","5","2","1") = "6"
    & skf21("4","6","4","7","3","5","3","1") = "6"
    & skf21("4","6","4","7","3","5","4","1") = "6"
    & skf21("4","6","4","7","3","5","5","1") = "6"
    & skf21("4","6","4","7","3","5","6","1") = "6"
    & skf21("4","6","4","7","3","5","7","1") = "6"
    & skf21("4","6","4","7","3","6","1","1") = "6"
    & skf21("4","6","4","7","3","6","2","1") = "6"
    & skf21("4","6","4","7","3","6","3","1") = "6"
    & skf21("4","6","4","7","3","6","4","1") = "6"
    & skf21("4","6","4","7","3","6","5","1") = "6"
    & skf21("4","6","4","7","3","6","6","1") = "6"
    & skf21("4","6","4","7","3","6","7","1") = "6"
    & skf21("4","6","4","7","3","7","1","1") = "6"
    & skf21("4","6","4","7","3","7","2","1") = "6"
    & skf21("4","6","4","7","3","7","3","1") = "6"
    & skf21("4","6","4","7","3","7","4","1") = "6"
    & skf21("4","6","4","7","3","7","5","1") = "6"
    & skf21("4","6","4","7","3","7","6","1") = "6"
    & skf21("4","6","4","7","3","7","7","1") = "6"
    & skf21("4","6","4","7","4","1","1","1") = "6"
    & skf21("4","6","4","7","4","1","2","1") = "6"
    & skf21("4","6","4","7","4","1","3","1") = "6"
    & skf21("4","6","4","7","4","1","4","1") = "6"
    & skf21("4","6","4","7","4","1","5","1") = "6"
    & skf21("4","6","4","7","4","1","6","1") = "6"
    & skf21("4","6","4","7","4","1","7","1") = "6"
    & skf21("4","6","4","7","4","2","1","1") = "6"
    & skf21("4","6","4","7","4","2","2","1") = "6"
    & skf21("4","6","4","7","4","2","3","1") = "6"
    & skf21("4","6","4","7","4","2","4","1") = "6"
    & skf21("4","6","4","7","4","2","5","1") = "6"
    & skf21("4","6","4","7","4","2","6","1") = "6"
    & skf21("4","6","4","7","4","2","7","1") = "6"
    & skf21("4","6","4","7","4","3","1","1") = "6"
    & skf21("4","6","4","7","4","3","2","1") = "6"
    & skf21("4","6","4","7","4","3","3","1") = "6"
    & skf21("4","6","4","7","4","3","4","1") = "6"
    & skf21("4","6","4","7","4","3","5","1") = "6"
    & skf21("4","6","4","7","4","3","6","1") = "6"
    & skf21("4","6","4","7","4","3","7","1") = "6"
    & skf21("4","6","4","7","4","4","1","1") = "6"
    & skf21("4","6","4","7","4","4","2","1") = "6"
    & skf21("4","6","4","7","4","4","3","1") = "6"
    & skf21("4","6","4","7","4","4","4","1") = "6"
    & skf21("4","6","4","7","4","4","5","1") = "6"
    & skf21("4","6","4","7","4","4","6","1") = "6"
    & skf21("4","6","4","7","4","4","7","1") = "6"
    & skf21("4","6","4","7","4","5","1","1") = "6"
    & skf21("4","6","4","7","4","5","2","1") = "6"
    & skf21("4","6","4","7","4","5","3","1") = "6"
    & skf21("4","6","4","7","4","5","4","1") = "6"
    & skf21("4","6","4","7","4","5","5","1") = "6"
    & skf21("4","6","4","7","4","5","6","1") = "6"
    & skf21("4","6","4","7","4","5","7","1") = "6"
    & skf21("4","6","4","7","4","6","1","1") = "6"
    & skf21("4","6","4","7","4","6","2","1") = "6"
    & skf21("4","6","4","7","4","6","3","1") = "6"
    & skf21("4","6","4","7","4","6","4","1") = "6"
    & skf21("4","6","4","7","4","6","5","1") = "6"
    & skf21("4","6","4","7","4","6","6","1") = "6"
    & skf21("4","6","4","7","4","6","7","1") = "6"
    & skf21("4","6","4","7","4","7","1","1") = "6"
    & skf21("4","6","4","7","4","7","2","1") = "6"
    & skf21("4","6","4","7","4","7","3","1") = "6"
    & skf21("4","6","4","7","4","7","4","1") = "6"
    & skf21("4","6","4","7","4","7","5","1") = "6"
    & skf21("4","6","4","7","4","7","6","1") = "6"
    & skf21("4","6","4","7","4","7","7","1") = "6"
    & skf21("4","6","4","7","5","1","1","1") = "6"
    & skf21("4","6","4","7","5","1","2","1") = "6"
    & skf21("4","6","4","7","5","1","3","1") = "6"
    & skf21("4","6","4","7","5","1","4","1") = "6"
    & skf21("4","6","4","7","5","1","5","1") = "6"
    & skf21("4","6","4","7","5","1","6","1") = "6"
    & skf21("4","6","4","7","5","1","7","1") = "6"
    & skf21("4","6","4","7","5","2","1","1") = "6"
    & skf21("4","6","4","7","5","2","2","1") = "6"
    & skf21("4","6","4","7","5","2","3","1") = "6"
    & skf21("4","6","4","7","5","2","4","1") = "6"
    & skf21("4","6","4","7","5","2","5","1") = "6"
    & skf21("4","6","4","7","5","2","6","1") = "6"
    & skf21("4","6","4","7","5","2","7","1") = "6"
    & skf21("4","6","4","7","5","3","1","1") = "6"
    & skf21("4","6","4","7","5","3","2","1") = "6"
    & skf21("4","6","4","7","5","3","3","1") = "6"
    & skf21("4","6","4","7","5","3","4","1") = "6"
    & skf21("4","6","4","7","5","3","5","1") = "6"
    & skf21("4","6","4","7","5","3","6","1") = "6"
    & skf21("4","6","4","7","5","3","7","1") = "6"
    & skf21("4","6","4","7","5","4","1","1") = "6"
    & skf21("4","6","4","7","5","4","2","1") = "6"
    & skf21("4","6","4","7","5","4","3","1") = "6"
    & skf21("4","6","4","7","5","4","4","1") = "6"
    & skf21("4","6","4","7","5","4","5","1") = "6"
    & skf21("4","6","4","7","5","4","6","1") = "6"
    & skf21("4","6","4","7","5","4","7","1") = "6"
    & skf21("4","6","4","7","5","5","1","1") = "6"
    & skf21("4","6","4","7","5","5","2","1") = "6"
    & skf21("4","6","4","7","5","5","3","1") = "6"
    & skf21("4","6","4","7","5","5","4","1") = "6"
    & skf21("4","6","4","7","5","5","5","1") = "6"
    & skf21("4","6","4","7","5","5","6","1") = "6"
    & skf21("4","6","4","7","5","5","7","1") = "6"
    & skf21("4","6","4","7","5","6","1","1") = "6"
    & skf21("4","6","4","7","5","6","2","1") = "6"
    & skf21("4","6","4","7","5","6","3","1") = "6"
    & skf21("4","6","4","7","5","6","4","1") = "6"
    & skf21("4","6","4","7","5","6","5","1") = "6"
    & skf21("4","6","4","7","5","6","6","1") = "6"
    & skf21("4","6","4","7","5","6","7","1") = "6"
    & skf21("4","6","4","7","5","7","1","1") = "6"
    & skf21("4","6","4","7","5","7","2","1") = "6"
    & skf21("4","6","4","7","5","7","3","1") = "6"
    & skf21("4","6","4","7","5","7","4","1") = "6"
    & skf21("4","6","4","7","5","7","5","1") = "6"
    & skf21("4","6","4","7","5","7","6","1") = "6"
    & skf21("4","6","4","7","5","7","7","1") = "6"
    & skf21("4","6","4","7","6","1","1","1") = "6"
    & skf21("4","6","4","7","6","1","2","1") = "6"
    & skf21("4","6","4","7","6","1","3","1") = "6"
    & skf21("4","6","4","7","6","1","4","1") = "6"
    & skf21("4","6","4","7","6","1","5","1") = "6"
    & skf21("4","6","4","7","6","1","6","1") = "6"
    & skf21("4","6","4","7","6","1","7","1") = "6"
    & skf21("4","6","4","7","6","2","1","1") = "6"
    & skf21("4","6","4","7","6","2","2","1") = "6"
    & skf21("4","6","4","7","6","2","3","1") = "6"
    & skf21("4","6","4","7","6","2","4","1") = "6"
    & skf21("4","6","4","7","6","2","5","1") = "6"
    & skf21("4","6","4","7","6","2","6","1") = "6"
    & skf21("4","6","4","7","6","2","7","1") = "6"
    & skf21("4","6","4","7","6","3","1","1") = "6"
    & skf21("4","6","4","7","6","3","2","1") = "6"
    & skf21("4","6","4","7","6","3","3","1") = "6"
    & skf21("4","6","4","7","6","3","4","1") = "6"
    & skf21("4","6","4","7","6","3","5","1") = "6"
    & skf21("4","6","4","7","6","3","6","1") = "6"
    & skf21("4","6","4","7","6","3","7","1") = "6"
    & skf21("4","6","4","7","6","4","1","1") = "6"
    & skf21("4","6","4","7","6","4","2","1") = "6"
    & skf21("4","6","4","7","6","4","3","1") = "6"
    & skf21("4","6","4","7","6","4","4","1") = "6"
    & skf21("4","6","4","7","6","4","5","1") = "6"
    & skf21("4","6","4","7","6","4","6","1") = "6"
    & skf21("4","6","4","7","6","4","7","1") = "6"
    & skf21("4","6","4","7","6","5","1","1") = "6"
    & skf21("4","6","4","7","6","5","2","1") = "6"
    & skf21("4","6","4","7","6","5","3","1") = "6"
    & skf21("4","6","4","7","6","5","4","1") = "6"
    & skf21("4","6","4","7","6","5","5","1") = "6"
    & skf21("4","6","4","7","6","5","6","1") = "6"
    & skf21("4","6","4","7","6","5","7","1") = "6"
    & skf21("4","6","4","7","6","6","1","1") = "6"
    & skf21("4","6","4","7","6","6","2","1") = "6"
    & skf21("4","6","4","7","6","6","3","1") = "6"
    & skf21("4","6","4","7","6","6","4","1") = "6"
    & skf21("4","6","4","7","6","6","5","1") = "6"
    & skf21("4","6","4","7","6","6","6","1") = "6"
    & skf21("4","6","4","7","6","6","7","1") = "6"
    & skf21("4","6","4","7","6","7","1","1") = "6"
    & skf21("4","6","4","7","6","7","2","1") = "6"
    & skf21("4","6","4","7","6","7","3","1") = "6"
    & skf21("4","6","4","7","6","7","4","1") = "6"
    & skf21("4","6","4","7","6","7","5","1") = "6"
    & skf21("4","6","4","7","6","7","6","1") = "6"
    & skf21("4","6","4","7","6","7","7","1") = "6"
    & skf21("4","6","4","7","7","1","1","1") = "6"
    & skf21("4","6","4","7","7","1","2","1") = "6"
    & skf21("4","6","4","7","7","1","3","1") = "6"
    & skf21("4","6","4","7","7","1","4","1") = "6"
    & skf21("4","6","4","7","7","1","5","1") = "6"
    & skf21("4","6","4","7","7","1","6","1") = "6"
    & skf21("4","6","4","7","7","1","7","1") = "6"
    & skf21("4","6","4","7","7","2","1","1") = "6"
    & skf21("4","6","4","7","7","2","2","1") = "6"
    & skf21("4","6","4","7","7","2","3","1") = "6"
    & skf21("4","6","4","7","7","2","4","1") = "6"
    & skf21("4","6","4","7","7","2","5","1") = "6"
    & skf21("4","6","4","7","7","2","6","1") = "6"
    & skf21("4","6","4","7","7","2","7","1") = "6"
    & skf21("4","6","4","7","7","3","1","1") = "6"
    & skf21("4","6","4","7","7","3","2","1") = "6"
    & skf21("4","6","4","7","7","3","3","1") = "6"
    & skf21("4","6","4","7","7","3","4","1") = "6"
    & skf21("4","6","4","7","7","3","5","1") = "6"
    & skf21("4","6","4","7","7","3","6","1") = "6"
    & skf21("4","6","4","7","7","3","7","1") = "6"
    & skf21("4","6","4","7","7","4","1","1") = "6"
    & skf21("4","6","4","7","7","4","2","1") = "6"
    & skf21("4","6","4","7","7","4","3","1") = "6"
    & skf21("4","6","4","7","7","4","4","1") = "6"
    & skf21("4","6","4","7","7","4","5","1") = "6"
    & skf21("4","6","4","7","7","4","6","1") = "6"
    & skf21("4","6","4","7","7","4","7","1") = "6"
    & skf21("4","6","4","7","7","5","1","1") = "6"
    & skf21("4","6","4","7","7","5","2","1") = "6"
    & skf21("4","6","4","7","7","5","3","1") = "6"
    & skf21("4","6","4","7","7","5","4","1") = "6"
    & skf21("4","6","4","7","7","5","5","1") = "6"
    & skf21("4","6","4","7","7","5","6","1") = "6"
    & skf21("4","6","4","7","7","5","7","1") = "6"
    & skf21("4","6","4","7","7","6","1","1") = "6"
    & skf21("4","6","4","7","7","6","2","1") = "6"
    & skf21("4","6","4","7","7","6","3","1") = "6"
    & skf21("4","6","4","7","7","6","4","1") = "6"
    & skf21("4","6","4","7","7","6","5","1") = "6"
    & skf21("4","6","4","7","7","6","6","1") = "6"
    & skf21("4","6","4","7","7","6","7","1") = "6"
    & skf21("4","6","4","7","7","7","1","1") = "6"
    & skf21("4","6","4","7","7","7","2","1") = "6"
    & skf21("4","6","4","7","7","7","3","1") = "6"
    & skf21("4","6","4","7","7","7","4","1") = "6"
    & skf21("4","6","4","7","7","7","5","1") = "6"
    & skf21("4","6","4","7","7","7","6","1") = "6"
    & skf21("4","6","4","7","7","7","7","1") = "6"
    & skf21("4","6","5","1","1","1","1","1") = "5"
    & skf21("4","6","5","1","1","1","2","1") = "5"
    & skf21("4","6","5","1","1","1","3","1") = "5"
    & skf21("4","6","5","1","1","1","4","1") = "5"
    & skf21("4","6","5","1","1","1","5","1") = "5"
    & skf21("4","6","5","1","1","1","6","1") = "5"
    & skf21("4","6","5","1","1","1","7","1") = "6"
    & skf21("4","6","5","1","1","2","1","1") = "5"
    & skf21("4","6","5","1","1","2","2","1") = "5"
    & skf21("4","6","5","1","1","2","3","1") = "5"
    & skf21("4","6","5","1","1","2","4","1") = "5"
    & skf21("4","6","5","1","1","2","5","1") = "5"
    & skf21("4","6","5","1","1","2","6","1") = "5"
    & skf21("4","6","5","1","1","2","7","1") = "6"
    & skf21("4","6","5","1","1","3","1","1") = "5"
    & skf21("4","6","5","1","1","3","2","1") = "5"
    & skf21("4","6","5","1","1","3","3","1") = "5"
    & skf21("4","6","5","1","1","3","4","1") = "5"
    & skf21("4","6","5","1","1","3","5","1") = "5"
    & skf21("4","6","5","1","1","3","6","1") = "5"
    & skf21("4","6","5","1","1","3","7","1") = "6"
    & skf21("4","6","5","1","1","4","1","1") = "5"
    & skf21("4","6","5","1","1","4","2","1") = "5"
    & skf21("4","6","5","1","1","4","3","1") = "5"
    & skf21("4","6","5","1","1","4","4","1") = "5"
    & skf21("4","6","5","1","1","4","5","1") = "5"
    & skf21("4","6","5","1","1","4","6","1") = "5"
    & skf21("4","6","5","1","1","4","7","1") = "6"
    & skf21("4","6","5","1","1","5","1","1") = "5"
    & skf21("4","6","5","1","1","5","2","1") = "5"
    & skf21("4","6","5","1","1","5","3","1") = "5"
    & skf21("4","6","5","1","1","5","4","1") = "5"
    & skf21("4","6","5","1","1","5","5","1") = "5"
    & skf21("4","6","5","1","1","5","6","1") = "5"
    & skf21("4","6","5","1","1","5","7","1") = "6"
    & skf21("4","6","5","1","1","6","1","1") = "5"
    & skf21("4","6","5","1","1","6","2","1") = "5"
    & skf21("4","6","5","1","1","6","3","1") = "5"
    & skf21("4","6","5","1","1","6","4","1") = "5"
    & skf21("4","6","5","1","1","6","5","1") = "5"
    & skf21("4","6","5","1","1","6","6","1") = "5"
    & skf21("4","6","5","1","1","6","7","1") = "6"
    & skf21("4","6","5","1","1","7","1","1") = "6"
    & skf21("4","6","5","1","1","7","2","1") = "6"
    & skf21("4","6","5","1","1","7","3","1") = "6"
    & skf21("4","6","5","1","1","7","4","1") = "6"
    & skf21("4","6","5","1","1","7","5","1") = "6"
    & skf21("4","6","5","1","1","7","6","1") = "6"
    & skf21("4","6","5","1","1","7","7","1") = "6"
    & skf21("4","6","5","1","2","1","1","1") = "5"
    & skf21("4","6","5","1","2","1","2","1") = "5"
    & skf21("4","6","5","1","2","1","3","1") = "5"
    & skf21("4","6","5","1","2","1","4","1") = "5"
    & skf21("4","6","5","1","2","1","5","1") = "5"
    & skf21("4","6","5","1","2","1","6","1") = "5"
    & skf21("4","6","5","1","2","1","7","1") = "6"
    & skf21("4","6","5","1","2","2","1","1") = "5"
    & skf21("4","6","5","1","2","2","2","1") = "5"
    & skf21("4","6","5","1","2","2","3","1") = "5"
    & skf21("4","6","5","1","2","2","4","1") = "5"
    & skf21("4","6","5","1","2","2","5","1") = "5"
    & skf21("4","6","5","1","2","2","6","1") = "5"
    & skf21("4","6","5","1","2","2","7","1") = "6"
    & skf21("4","6","5","1","2","3","1","1") = "5"
    & skf21("4","6","5","1","2","3","2","1") = "5"
    & skf21("4","6","5","1","2","3","3","1") = "5"
    & skf21("4","6","5","1","2","3","4","1") = "5"
    & skf21("4","6","5","1","2","3","5","1") = "5"
    & skf21("4","6","5","1","2","3","6","1") = "5"
    & skf21("4","6","5","1","2","3","7","1") = "6"
    & skf21("4","6","5","1","2","4","1","1") = "5"
    & skf21("4","6","5","1","2","4","2","1") = "5"
    & skf21("4","6","5","1","2","4","3","1") = "5"
    & skf21("4","6","5","1","2","4","4","1") = "5"
    & skf21("4","6","5","1","2","4","5","1") = "5"
    & skf21("4","6","5","1","2","4","6","1") = "5"
    & skf21("4","6","5","1","2","4","7","1") = "6"
    & skf21("4","6","5","1","2","5","1","1") = "5"
    & skf21("4","6","5","1","2","5","2","1") = "5"
    & skf21("4","6","5","1","2","5","3","1") = "5"
    & skf21("4","6","5","1","2","5","4","1") = "5"
    & skf21("4","6","5","1","2","5","5","1") = "5"
    & skf21("4","6","5","1","2","5","6","1") = "5"
    & skf21("4","6","5","1","2","5","7","1") = "6"
    & skf21("4","6","5","1","2","6","1","1") = "5"
    & skf21("4","6","5","1","2","6","2","1") = "5"
    & skf21("4","6","5","1","2","6","3","1") = "5"
    & skf21("4","6","5","1","2","6","4","1") = "5"
    & skf21("4","6","5","1","2","6","5","1") = "5"
    & skf21("4","6","5","1","2","6","6","1") = "5"
    & skf21("4","6","5","1","2","6","7","1") = "6"
    & skf21("4","6","5","1","2","7","1","1") = "6"
    & skf21("4","6","5","1","2","7","2","1") = "6"
    & skf21("4","6","5","1","2","7","3","1") = "6"
    & skf21("4","6","5","1","2","7","4","1") = "6"
    & skf21("4","6","5","1","2","7","5","1") = "6"
    & skf21("4","6","5","1","2","7","6","1") = "6"
    & skf21("4","6","5","1","2","7","7","1") = "6"
    & skf21("4","6","5","1","3","1","1","1") = "5"
    & skf21("4","6","5","1","3","1","2","1") = "5"
    & skf21("4","6","5","1","3","1","3","1") = "5"
    & skf21("4","6","5","1","3","1","4","1") = "5"
    & skf21("4","6","5","1","3","1","5","1") = "5"
    & skf21("4","6","5","1","3","1","6","1") = "5"
    & skf21("4","6","5","1","3","1","7","1") = "6"
    & skf21("4","6","5","1","3","2","1","1") = "5"
    & skf21("4","6","5","1","3","2","2","1") = "5"
    & skf21("4","6","5","1","3","2","3","1") = "5"
    & skf21("4","6","5","1","3","2","4","1") = "5"
    & skf21("4","6","5","1","3","2","5","1") = "5"
    & skf21("4","6","5","1","3","2","6","1") = "5"
    & skf21("4","6","5","1","3","2","7","1") = "6"
    & skf21("4","6","5","1","3","3","1","1") = "5"
    & skf21("4","6","5","1","3","3","2","1") = "5"
    & skf21("4","6","5","1","3","3","3","1") = "5"
    & skf21("4","6","5","1","3","3","4","1") = "5"
    & skf21("4","6","5","1","3","3","5","1") = "5"
    & skf21("4","6","5","1","3","3","6","1") = "5"
    & skf21("4","6","5","1","3","3","7","1") = "6"
    & skf21("4","6","5","1","3","4","1","1") = "5"
    & skf21("4","6","5","1","3","4","2","1") = "5"
    & skf21("4","6","5","1","3","4","3","1") = "5"
    & skf21("4","6","5","1","3","4","4","1") = "5"
    & skf21("4","6","5","1","3","4","5","1") = "5"
    & skf21("4","6","5","1","3","4","6","1") = "5"
    & skf21("4","6","5","1","3","4","7","1") = "6"
    & skf21("4","6","5","1","3","5","1","1") = "5"
    & skf21("4","6","5","1","3","5","2","1") = "5"
    & skf21("4","6","5","1","3","5","3","1") = "5"
    & skf21("4","6","5","1","3","5","4","1") = "5"
    & skf21("4","6","5","1","3","5","5","1") = "5"
    & skf21("4","6","5","1","3","5","6","1") = "5"
    & skf21("4","6","5","1","3","5","7","1") = "6"
    & skf21("4","6","5","1","3","6","1","1") = "5"
    & skf21("4","6","5","1","3","6","2","1") = "5"
    & skf21("4","6","5","1","3","6","3","1") = "5"
    & skf21("4","6","5","1","3","6","4","1") = "5"
    & skf21("4","6","5","1","3","6","5","1") = "5"
    & skf21("4","6","5","1","3","6","6","1") = "5"
    & skf21("4","6","5","1","3","6","7","1") = "6"
    & skf21("4","6","5","1","3","7","1","1") = "6"
    & skf21("4","6","5","1","3","7","2","1") = "6"
    & skf21("4","6","5","1","3","7","3","1") = "6"
    & skf21("4","6","5","1","3","7","4","1") = "6"
    & skf21("4","6","5","1","3","7","5","1") = "6"
    & skf21("4","6","5","1","3","7","6","1") = "6"
    & skf21("4","6","5","1","3","7","7","1") = "6"
    & skf21("4","6","5","1","4","1","1","1") = "5"
    & skf21("4","6","5","1","4","1","2","1") = "5"
    & skf21("4","6","5","1","4","1","3","1") = "5"
    & skf21("4","6","5","1","4","1","4","1") = "5"
    & skf21("4","6","5","1","4","1","5","1") = "5"
    & skf21("4","6","5","1","4","1","6","1") = "5"
    & skf21("4","6","5","1","4","1","7","1") = "6"
    & skf21("4","6","5","1","4","2","1","1") = "5"
    & skf21("4","6","5","1","4","2","2","1") = "5"
    & skf21("4","6","5","1","4","2","3","1") = "5"
    & skf21("4","6","5","1","4","2","4","1") = "5"
    & skf21("4","6","5","1","4","2","5","1") = "5"
    & skf21("4","6","5","1","4","2","6","1") = "5"
    & skf21("4","6","5","1","4","2","7","1") = "6"
    & skf21("4","6","5","1","4","3","1","1") = "5"
    & skf21("4","6","5","1","4","3","2","1") = "5"
    & skf21("4","6","5","1","4","3","3","1") = "5"
    & skf21("4","6","5","1","4","3","4","1") = "5"
    & skf21("4","6","5","1","4","3","5","1") = "5"
    & skf21("4","6","5","1","4","3","6","1") = "5"
    & skf21("4","6","5","1","4","3","7","1") = "6"
    & skf21("4","6","5","1","4","4","1","1") = "5"
    & skf21("4","6","5","1","4","4","2","1") = "5"
    & skf21("4","6","5","1","4","4","3","1") = "5"
    & skf21("4","6","5","1","4","4","4","1") = "5"
    & skf21("4","6","5","1","4","4","5","1") = "5"
    & skf21("4","6","5","1","4","4","6","1") = "5"
    & skf21("4","6","5","1","4","4","7","1") = "6"
    & skf21("4","6","5","1","4","5","1","1") = "5"
    & skf21("4","6","5","1","4","5","2","1") = "5"
    & skf21("4","6","5","1","4","5","3","1") = "5"
    & skf21("4","6","5","1","4","5","4","1") = "5"
    & skf21("4","6","5","1","4","5","5","1") = "5"
    & skf21("4","6","5","1","4","5","6","1") = "5"
    & skf21("4","6","5","1","4","5","7","1") = "6"
    & skf21("4","6","5","1","4","6","1","1") = "5"
    & skf21("4","6","5","1","4","6","2","1") = "5"
    & skf21("4","6","5","1","4","6","3","1") = "5"
    & skf21("4","6","5","1","4","6","4","1") = "5"
    & skf21("4","6","5","1","4","6","5","1") = "5"
    & skf21("4","6","5","1","4","6","6","1") = "5"
    & skf21("4","6","5","1","4","6","7","1") = "6"
    & skf21("4","6","5","1","4","7","1","1") = "6"
    & skf21("4","6","5","1","4","7","2","1") = "6"
    & skf21("4","6","5","1","4","7","3","1") = "6"
    & skf21("4","6","5","1","4","7","4","1") = "6"
    & skf21("4","6","5","1","4","7","5","1") = "6"
    & skf21("4","6","5","1","4","7","6","1") = "6"
    & skf21("4","6","5","1","4","7","7","1") = "6"
    & skf21("4","6","5","1","5","1","1","1") = "5"
    & skf21("4","6","5","1","5","1","2","1") = "5"
    & skf21("4","6","5","1","5","1","3","1") = "5"
    & skf21("4","6","5","1","5","1","4","1") = "5"
    & skf21("4","6","5","1","5","1","5","1") = "5"
    & skf21("4","6","5","1","5","1","6","1") = "5"
    & skf21("4","6","5","1","5","1","7","1") = "6"
    & skf21("4","6","5","1","5","2","1","1") = "5"
    & skf21("4","6","5","1","5","2","2","1") = "5"
    & skf21("4","6","5","1","5","2","3","1") = "5"
    & skf21("4","6","5","1","5","2","4","1") = "5"
    & skf21("4","6","5","1","5","2","5","1") = "5"
    & skf21("4","6","5","1","5","2","6","1") = "5"
    & skf21("4","6","5","1","5","2","7","1") = "6"
    & skf21("4","6","5","1","5","3","1","1") = "5"
    & skf21("4","6","5","1","5","3","2","1") = "5"
    & skf21("4","6","5","1","5","3","3","1") = "5"
    & skf21("4","6","5","1","5","3","4","1") = "5"
    & skf21("4","6","5","1","5","3","5","1") = "5"
    & skf21("4","6","5","1","5","3","6","1") = "5"
    & skf21("4","6","5","1","5","3","7","1") = "6"
    & skf21("4","6","5","1","5","4","1","1") = "5"
    & skf21("4","6","5","1","5","4","2","1") = "5"
    & skf21("4","6","5","1","5","4","3","1") = "5"
    & skf21("4","6","5","1","5","4","4","1") = "5"
    & skf21("4","6","5","1","5","4","5","1") = "5"
    & skf21("4","6","5","1","5","4","6","1") = "5"
    & skf21("4","6","5","1","5","4","7","1") = "6"
    & skf21("4","6","5","1","5","5","1","1") = "5"
    & skf21("4","6","5","1","5","5","2","1") = "5"
    & skf21("4","6","5","1","5","5","3","1") = "5"
    & skf21("4","6","5","1","5","5","4","1") = "5"
    & skf21("4","6","5","1","5","5","5","1") = "5"
    & skf21("4","6","5","1","5","5","6","1") = "5"
    & skf21("4","6","5","1","5","5","7","1") = "6"
    & skf21("4","6","5","1","5","6","1","1") = "5"
    & skf21("4","6","5","1","5","6","2","1") = "5"
    & skf21("4","6","5","1","5","6","3","1") = "5"
    & skf21("4","6","5","1","5","6","4","1") = "5"
    & skf21("4","6","5","1","5","6","5","1") = "5"
    & skf21("4","6","5","1","5","6","6","1") = "5"
    & skf21("4","6","5","1","5","6","7","1") = "6"
    & skf21("4","6","5","1","5","7","1","1") = "6"
    & skf21("4","6","5","1","5","7","2","1") = "6"
    & skf21("4","6","5","1","5","7","3","1") = "6"
    & skf21("4","6","5","1","5","7","4","1") = "6"
    & skf21("4","6","5","1","5","7","5","1") = "6"
    & skf21("4","6","5","1","5","7","6","1") = "6"
    & skf21("4","6","5","1","5","7","7","1") = "6"
    & skf21("4","6","5","1","6","1","1","1") = "5"
    & skf21("4","6","5","1","6","1","2","1") = "5"
    & skf21("4","6","5","1","6","1","3","1") = "5"
    & skf21("4","6","5","1","6","1","4","1") = "5"
    & skf21("4","6","5","1","6","1","5","1") = "5"
    & skf21("4","6","5","1","6","1","6","1") = "5"
    & skf21("4","6","5","1","6","1","7","1") = "6"
    & skf21("4","6","5","1","6","2","1","1") = "5"
    & skf21("4","6","5","1","6","2","2","1") = "5"
    & skf21("4","6","5","1","6","2","3","1") = "5"
    & skf21("4","6","5","1","6","2","4","1") = "5"
    & skf21("4","6","5","1","6","2","5","1") = "5"
    & skf21("4","6","5","1","6","2","6","1") = "5"
    & skf21("4","6","5","1","6","2","7","1") = "6"
    & skf21("4","6","5","1","6","3","1","1") = "5"
    & skf21("4","6","5","1","6","3","2","1") = "5"
    & skf21("4","6","5","1","6","3","3","1") = "5"
    & skf21("4","6","5","1","6","3","4","1") = "5"
    & skf21("4","6","5","1","6","3","5","1") = "5"
    & skf21("4","6","5","1","6","3","6","1") = "5"
    & skf21("4","6","5","1","6","3","7","1") = "6"
    & skf21("4","6","5","1","6","4","1","1") = "5"
    & skf21("4","6","5","1","6","4","2","1") = "5"
    & skf21("4","6","5","1","6","4","3","1") = "5"
    & skf21("4","6","5","1","6","4","4","1") = "5"
    & skf21("4","6","5","1","6","4","5","1") = "5"
    & skf21("4","6","5","1","6","4","6","1") = "5"
    & skf21("4","6","5","1","6","4","7","1") = "6"
    & skf21("4","6","5","1","6","5","1","1") = "5"
    & skf21("4","6","5","1","6","5","2","1") = "5"
    & skf21("4","6","5","1","6","5","3","1") = "5"
    & skf21("4","6","5","1","6","5","4","1") = "5"
    & skf21("4","6","5","1","6","5","5","1") = "5"
    & skf21("4","6","5","1","6","5","6","1") = "5"
    & skf21("4","6","5","1","6","5","7","1") = "6"
    & skf21("4","6","5","1","6","6","1","1") = "5"
    & skf21("4","6","5","1","6","6","2","1") = "5"
    & skf21("4","6","5","1","6","6","3","1") = "5"
    & skf21("4","6","5","1","6","6","4","1") = "5"
    & skf21("4","6","5","1","6","6","5","1") = "5"
    & skf21("4","6","5","1","6","6","6","1") = "5"
    & skf21("4","6","5","1","6","6","7","1") = "6"
    & skf21("4","6","5","1","6","7","1","1") = "6"
    & skf21("4","6","5","1","6","7","2","1") = "6"
    & skf21("4","6","5","1","6","7","3","1") = "6"
    & skf21("4","6","5","1","6","7","4","1") = "6"
    & skf21("4","6","5","1","6","7","5","1") = "6"
    & skf21("4","6","5","1","6","7","6","1") = "6"
    & skf21("4","6","5","1","6","7","7","1") = "6"
    & skf21("4","6","5","1","7","1","1","1") = "6"
    & skf21("4","6","5","1","7","1","2","1") = "6"
    & skf21("4","6","5","1","7","1","3","1") = "6"
    & skf21("4","6","5","1","7","1","4","1") = "6"
    & skf21("4","6","5","1","7","1","5","1") = "6"
    & skf21("4","6","5","1","7","1","6","1") = "6"
    & skf21("4","6","5","1","7","1","7","1") = "6"
    & skf21("4","6","5","1","7","2","1","1") = "6"
    & skf21("4","6","5","1","7","2","2","1") = "6"
    & skf21("4","6","5","1","7","2","3","1") = "6"
    & skf21("4","6","5","1","7","2","4","1") = "6"
    & skf21("4","6","5","1","7","2","5","1") = "6"
    & skf21("4","6","5","1","7","2","6","1") = "6"
    & skf21("4","6","5","1","7","2","7","1") = "6"
    & skf21("4","6","5","1","7","3","1","1") = "6"
    & skf21("4","6","5","1","7","3","2","1") = "6"
    & skf21("4","6","5","1","7","3","3","1") = "6"
    & skf21("4","6","5","1","7","3","4","1") = "6"
    & skf21("4","6","5","1","7","3","5","1") = "6"
    & skf21("4","6","5","1","7","3","6","1") = "6"
    & skf21("4","6","5","1","7","3","7","1") = "6"
    & skf21("4","6","5","1","7","4","1","1") = "6"
    & skf21("4","6","5","1","7","4","2","1") = "6"
    & skf21("4","6","5","1","7","4","3","1") = "6"
    & skf21("4","6","5","1","7","4","4","1") = "6"
    & skf21("4","6","5","1","7","4","5","1") = "6"
    & skf21("4","6","5","1","7","4","6","1") = "6"
    & skf21("4","6","5","1","7","4","7","1") = "6"
    & skf21("4","6","5","1","7","5","1","1") = "6"
    & skf21("4","6","5","1","7","5","2","1") = "6"
    & skf21("4","6","5","1","7","5","3","1") = "6"
    & skf21("4","6","5","1","7","5","4","1") = "6"
    & skf21("4","6","5","1","7","5","5","1") = "6"
    & skf21("4","6","5","1","7","5","6","1") = "6"
    & skf21("4","6","5","1","7","5","7","1") = "6"
    & skf21("4","6","5","1","7","6","1","1") = "6"
    & skf21("4","6","5","1","7","6","2","1") = "6"
    & skf21("4","6","5","1","7","6","3","1") = "6"
    & skf21("4","6","5","1","7","6","4","1") = "6"
    & skf21("4","6","5","1","7","6","5","1") = "6"
    & skf21("4","6","5","1","7","6","6","1") = "6"
    & skf21("4","6","5","1","7","6","7","1") = "6"
    & skf21("4","6","5","1","7","7","1","1") = "6"
    & skf21("4","6","5","1","7","7","2","1") = "6"
    & skf21("4","6","5","1","7","7","3","1") = "6"
    & skf21("4","6","5","1","7","7","4","1") = "6"
    & skf21("4","6","5","1","7","7","5","1") = "6"
    & skf21("4","6","5","1","7","7","6","1") = "6"
    & skf21("4","6","5","1","7","7","7","1") = "6"
    & skf21("4","6","5","2","1","1","1","1") = "5"
    & skf21("4","6","5","2","1","1","2","1") = "5"
    & skf21("4","6","5","2","1","1","3","1") = "5"
    & skf21("4","6","5","2","1","1","4","1") = "5"
    & skf21("4","6","5","2","1","1","5","1") = "5"
    & skf21("4","6","5","2","1","1","6","1") = "5"
    & skf21("4","6","5","2","1","1","7","1") = "6"
    & skf21("4","6","5","2","1","2","1","1") = "5"
    & skf21("4","6","5","2","1","2","2","1") = "5"
    & skf21("4","6","5","2","1","2","3","1") = "5"
    & skf21("4","6","5","2","1","2","4","1") = "5"
    & skf21("4","6","5","2","1","2","5","1") = "5"
    & skf21("4","6","5","2","1","2","6","1") = "5"
    & skf21("4","6","5","2","1","2","7","1") = "6"
    & skf21("4","6","5","2","1","3","1","1") = "5"
    & skf21("4","6","5","2","1","3","2","1") = "5"
    & skf21("4","6","5","2","1","3","3","1") = "5"
    & skf21("4","6","5","2","1","3","4","1") = "5"
    & skf21("4","6","5","2","1","3","5","1") = "5"
    & skf21("4","6","5","2","1","3","6","1") = "5"
    & skf21("4","6","5","2","1","3","7","1") = "6"
    & skf21("4","6","5","2","1","4","1","1") = "5"
    & skf21("4","6","5","2","1","4","2","1") = "5"
    & skf21("4","6","5","2","1","4","3","1") = "5"
    & skf21("4","6","5","2","1","4","4","1") = "5"
    & skf21("4","6","5","2","1","4","5","1") = "5"
    & skf21("4","6","5","2","1","4","6","1") = "5"
    & skf21("4","6","5","2","1","4","7","1") = "6"
    & skf21("4","6","5","2","1","5","1","1") = "5"
    & skf21("4","6","5","2","1","5","2","1") = "5"
    & skf21("4","6","5","2","1","5","3","1") = "5"
    & skf21("4","6","5","2","1","5","4","1") = "5"
    & skf21("4","6","5","2","1","5","5","1") = "5"
    & skf21("4","6","5","2","1","5","6","1") = "5"
    & skf21("4","6","5","2","1","5","7","1") = "6"
    & skf21("4","6","5","2","1","6","1","1") = "5"
    & skf21("4","6","5","2","1","6","2","1") = "5"
    & skf21("4","6","5","2","1","6","3","1") = "5"
    & skf21("4","6","5","2","1","6","4","1") = "5"
    & skf21("4","6","5","2","1","6","5","1") = "5"
    & skf21("4","6","5","2","1","6","6","1") = "5"
    & skf21("4","6","5","2","1","6","7","1") = "6"
    & skf21("4","6","5","2","1","7","1","1") = "6"
    & skf21("4","6","5","2","1","7","2","1") = "6"
    & skf21("4","6","5","2","1","7","3","1") = "6"
    & skf21("4","6","5","2","1","7","4","1") = "6"
    & skf21("4","6","5","2","1","7","5","1") = "6"
    & skf21("4","6","5","2","1","7","6","1") = "6"
    & skf21("4","6","5","2","1","7","7","1") = "6"
    & skf21("4","6","5","2","2","1","1","1") = "5"
    & skf21("4","6","5","2","2","1","2","1") = "5"
    & skf21("4","6","5","2","2","1","3","1") = "5"
    & skf21("4","6","5","2","2","1","4","1") = "5"
    & skf21("4","6","5","2","2","1","5","1") = "5"
    & skf21("4","6","5","2","2","1","6","1") = "5"
    & skf21("4","6","5","2","2","1","7","1") = "6"
    & skf21("4","6","5","2","2","2","1","1") = "5"
    & skf21("4","6","5","2","2","2","2","1") = "5"
    & skf21("4","6","5","2","2","2","3","1") = "5"
    & skf21("4","6","5","2","2","2","4","1") = "5"
    & skf21("4","6","5","2","2","2","5","1") = "5"
    & skf21("4","6","5","2","2","2","6","1") = "5"
    & skf21("4","6","5","2","2","2","7","1") = "6"
    & skf21("4","6","5","2","2","3","1","1") = "5"
    & skf21("4","6","5","2","2","3","2","1") = "5"
    & skf21("4","6","5","2","2","3","3","1") = "5"
    & skf21("4","6","5","2","2","3","4","1") = "5"
    & skf21("4","6","5","2","2","3","5","1") = "5"
    & skf21("4","6","5","2","2","3","6","1") = "5"
    & skf21("4","6","5","2","2","3","7","1") = "6"
    & skf21("4","6","5","2","2","4","1","1") = "5"
    & skf21("4","6","5","2","2","4","2","1") = "5"
    & skf21("4","6","5","2","2","4","3","1") = "5"
    & skf21("4","6","5","2","2","4","4","1") = "5"
    & skf21("4","6","5","2","2","4","5","1") = "5"
    & skf21("4","6","5","2","2","4","6","1") = "5"
    & skf21("4","6","5","2","2","4","7","1") = "6"
    & skf21("4","6","5","2","2","5","1","1") = "5"
    & skf21("4","6","5","2","2","5","2","1") = "5"
    & skf21("4","6","5","2","2","5","3","1") = "5"
    & skf21("4","6","5","2","2","5","4","1") = "5"
    & skf21("4","6","5","2","2","5","5","1") = "5"
    & skf21("4","6","5","2","2","5","6","1") = "5"
    & skf21("4","6","5","2","2","5","7","1") = "6"
    & skf21("4","6","5","2","2","6","1","1") = "5"
    & skf21("4","6","5","2","2","6","2","1") = "5"
    & skf21("4","6","5","2","2","6","3","1") = "5"
    & skf21("4","6","5","2","2","6","4","1") = "5"
    & skf21("4","6","5","2","2","6","5","1") = "5"
    & skf21("4","6","5","2","2","6","6","1") = "5"
    & skf21("4","6","5","2","2","6","7","1") = "6"
    & skf21("4","6","5","2","2","7","1","1") = "6"
    & skf21("4","6","5","2","2","7","2","1") = "6"
    & skf21("4","6","5","2","2","7","3","1") = "6"
    & skf21("4","6","5","2","2","7","4","1") = "6"
    & skf21("4","6","5","2","2","7","5","1") = "6"
    & skf21("4","6","5","2","2","7","6","1") = "6"
    & skf21("4","6","5","2","2","7","7","1") = "6"
    & skf21("4","6","5","2","3","1","1","1") = "5"
    & skf21("4","6","5","2","3","1","2","1") = "5"
    & skf21("4","6","5","2","3","1","3","1") = "5"
    & skf21("4","6","5","2","3","1","4","1") = "5"
    & skf21("4","6","5","2","3","1","5","1") = "5"
    & skf21("4","6","5","2","3","1","6","1") = "5"
    & skf21("4","6","5","2","3","1","7","1") = "6"
    & skf21("4","6","5","2","3","2","1","1") = "5"
    & skf21("4","6","5","2","3","2","2","1") = "5"
    & skf21("4","6","5","2","3","2","3","1") = "5"
    & skf21("4","6","5","2","3","2","4","1") = "5"
    & skf21("4","6","5","2","3","2","5","1") = "5"
    & skf21("4","6","5","2","3","2","6","1") = "5"
    & skf21("4","6","5","2","3","2","7","1") = "6"
    & skf21("4","6","5","2","3","3","1","1") = "5"
    & skf21("4","6","5","2","3","3","2","1") = "5"
    & skf21("4","6","5","2","3","3","3","1") = "5"
    & skf21("4","6","5","2","3","3","4","1") = "5"
    & skf21("4","6","5","2","3","3","5","1") = "5"
    & skf21("4","6","5","2","3","3","6","1") = "5"
    & skf21("4","6","5","2","3","3","7","1") = "6"
    & skf21("4","6","5","2","3","4","1","1") = "5"
    & skf21("4","6","5","2","3","4","2","1") = "5"
    & skf21("4","6","5","2","3","4","3","1") = "5"
    & skf21("4","6","5","2","3","4","4","1") = "5"
    & skf21("4","6","5","2","3","4","5","1") = "5"
    & skf21("4","6","5","2","3","4","6","1") = "5"
    & skf21("4","6","5","2","3","4","7","1") = "6"
    & skf21("4","6","5","2","3","5","1","1") = "5"
    & skf21("4","6","5","2","3","5","2","1") = "5"
    & skf21("4","6","5","2","3","5","3","1") = "5"
    & skf21("4","6","5","2","3","5","4","1") = "5"
    & skf21("4","6","5","2","3","5","5","1") = "5"
    & skf21("4","6","5","2","3","5","6","1") = "5"
    & skf21("4","6","5","2","3","5","7","1") = "6"
    & skf21("4","6","5","2","3","6","1","1") = "5"
    & skf21("4","6","5","2","3","6","2","1") = "5"
    & skf21("4","6","5","2","3","6","3","1") = "5"
    & skf21("4","6","5","2","3","6","4","1") = "5"
    & skf21("4","6","5","2","3","6","5","1") = "5"
    & skf21("4","6","5","2","3","6","6","1") = "5"
    & skf21("4","6","5","2","3","6","7","1") = "6"
    & skf21("4","6","5","2","3","7","1","1") = "6"
    & skf21("4","6","5","2","3","7","2","1") = "6"
    & skf21("4","6","5","2","3","7","3","1") = "6"
    & skf21("4","6","5","2","3","7","4","1") = "6"
    & skf21("4","6","5","2","3","7","5","1") = "6"
    & skf21("4","6","5","2","3","7","6","1") = "6"
    & skf21("4","6","5","2","3","7","7","1") = "6"
    & skf21("4","6","5","2","4","1","1","1") = "5"
    & skf21("4","6","5","2","4","1","2","1") = "5"
    & skf21("4","6","5","2","4","1","3","1") = "5"
    & skf21("4","6","5","2","4","1","4","1") = "5"
    & skf21("4","6","5","2","4","1","5","1") = "5"
    & skf21("4","6","5","2","4","1","6","1") = "5"
    & skf21("4","6","5","2","4","1","7","1") = "6"
    & skf21("4","6","5","2","4","2","1","1") = "5"
    & skf21("4","6","5","2","4","2","2","1") = "5"
    & skf21("4","6","5","2","4","2","3","1") = "5"
    & skf21("4","6","5","2","4","2","4","1") = "5"
    & skf21("4","6","5","2","4","2","5","1") = "5"
    & skf21("4","6","5","2","4","2","6","1") = "5"
    & skf21("4","6","5","2","4","2","7","1") = "6"
    & skf21("4","6","5","2","4","3","1","1") = "5"
    & skf21("4","6","5","2","4","3","2","1") = "5"
    & skf21("4","6","5","2","4","3","3","1") = "5"
    & skf21("4","6","5","2","4","3","4","1") = "5"
    & skf21("4","6","5","2","4","3","5","1") = "5"
    & skf21("4","6","5","2","4","3","6","1") = "5"
    & skf21("4","6","5","2","4","3","7","1") = "6"
    & skf21("4","6","5","2","4","4","1","1") = "5"
    & skf21("4","6","5","2","4","4","2","1") = "5"
    & skf21("4","6","5","2","4","4","3","1") = "5"
    & skf21("4","6","5","2","4","4","4","1") = "5"
    & skf21("4","6","5","2","4","4","5","1") = "5"
    & skf21("4","6","5","2","4","4","6","1") = "5"
    & skf21("4","6","5","2","4","4","7","1") = "6"
    & skf21("4","6","5","2","4","5","1","1") = "5"
    & skf21("4","6","5","2","4","5","2","1") = "5"
    & skf21("4","6","5","2","4","5","3","1") = "5"
    & skf21("4","6","5","2","4","5","4","1") = "5"
    & skf21("4","6","5","2","4","5","5","1") = "5"
    & skf21("4","6","5","2","4","5","6","1") = "5"
    & skf21("4","6","5","2","4","5","7","1") = "6"
    & skf21("4","6","5","2","4","6","1","1") = "5"
    & skf21("4","6","5","2","4","6","2","1") = "5"
    & skf21("4","6","5","2","4","6","3","1") = "5"
    & skf21("4","6","5","2","4","6","4","1") = "5"
    & skf21("4","6","5","2","4","6","5","1") = "5"
    & skf21("4","6","5","2","4","6","6","1") = "5"
    & skf21("4","6","5","2","4","6","7","1") = "6"
    & skf21("4","6","5","2","4","7","1","1") = "6"
    & skf21("4","6","5","2","4","7","2","1") = "6"
    & skf21("4","6","5","2","4","7","3","1") = "6"
    & skf21("4","6","5","2","4","7","4","1") = "6"
    & skf21("4","6","5","2","4","7","5","1") = "6"
    & skf21("4","6","5","2","4","7","6","1") = "6"
    & skf21("4","6","5","2","4","7","7","1") = "6"
    & skf21("4","6","5","2","5","1","1","1") = "5"
    & skf21("4","6","5","2","5","1","2","1") = "5"
    & skf21("4","6","5","2","5","1","3","1") = "5"
    & skf21("4","6","5","2","5","1","4","1") = "5"
    & skf21("4","6","5","2","5","1","5","1") = "5"
    & skf21("4","6","5","2","5","1","6","1") = "5"
    & skf21("4","6","5","2","5","1","7","1") = "6"
    & skf21("4","6","5","2","5","2","1","1") = "5"
    & skf21("4","6","5","2","5","2","2","1") = "5"
    & skf21("4","6","5","2","5","2","3","1") = "5"
    & skf21("4","6","5","2","5","2","4","1") = "5"
    & skf21("4","6","5","2","5","2","5","1") = "5"
    & skf21("4","6","5","2","5","2","6","1") = "5"
    & skf21("4","6","5","2","5","2","7","1") = "6"
    & skf21("4","6","5","2","5","3","1","1") = "5"
    & skf21("4","6","5","2","5","3","2","1") = "5"
    & skf21("4","6","5","2","5","3","3","1") = "5"
    & skf21("4","6","5","2","5","3","4","1") = "5"
    & skf21("4","6","5","2","5","3","5","1") = "5"
    & skf21("4","6","5","2","5","3","6","1") = "5"
    & skf21("4","6","5","2","5","3","7","1") = "6"
    & skf21("4","6","5","2","5","4","1","1") = "5"
    & skf21("4","6","5","2","5","4","2","1") = "5"
    & skf21("4","6","5","2","5","4","3","1") = "5"
    & skf21("4","6","5","2","5","4","4","1") = "5"
    & skf21("4","6","5","2","5","4","5","1") = "5"
    & skf21("4","6","5","2","5","4","6","1") = "5"
    & skf21("4","6","5","2","5","4","7","1") = "6"
    & skf21("4","6","5","2","5","5","1","1") = "5"
    & skf21("4","6","5","2","5","5","2","1") = "5"
    & skf21("4","6","5","2","5","5","3","1") = "5"
    & skf21("4","6","5","2","5","5","4","1") = "5"
    & skf21("4","6","5","2","5","5","5","1") = "5"
    & skf21("4","6","5","2","5","5","6","1") = "5"
    & skf21("4","6","5","2","5","5","7","1") = "6"
    & skf21("4","6","5","2","5","6","1","1") = "5"
    & skf21("4","6","5","2","5","6","2","1") = "5"
    & skf21("4","6","5","2","5","6","3","1") = "5"
    & skf21("4","6","5","2","5","6","4","1") = "5"
    & skf21("4","6","5","2","5","6","5","1") = "5"
    & skf21("4","6","5","2","5","6","6","1") = "5"
    & skf21("4","6","5","2","5","6","7","1") = "6"
    & skf21("4","6","5","2","5","7","1","1") = "6"
    & skf21("4","6","5","2","5","7","2","1") = "6"
    & skf21("4","6","5","2","5","7","3","1") = "6"
    & skf21("4","6","5","2","5","7","4","1") = "6"
    & skf21("4","6","5","2","5","7","5","1") = "6"
    & skf21("4","6","5","2","5","7","6","1") = "6"
    & skf21("4","6","5","2","5","7","7","1") = "6"
    & skf21("4","6","5","2","6","1","1","1") = "5"
    & skf21("4","6","5","2","6","1","2","1") = "5"
    & skf21("4","6","5","2","6","1","3","1") = "5"
    & skf21("4","6","5","2","6","1","4","1") = "5"
    & skf21("4","6","5","2","6","1","5","1") = "5"
    & skf21("4","6","5","2","6","1","6","1") = "5"
    & skf21("4","6","5","2","6","1","7","1") = "6"
    & skf21("4","6","5","2","6","2","1","1") = "5"
    & skf21("4","6","5","2","6","2","2","1") = "5"
    & skf21("4","6","5","2","6","2","3","1") = "5"
    & skf21("4","6","5","2","6","2","4","1") = "5"
    & skf21("4","6","5","2","6","2","5","1") = "5"
    & skf21("4","6","5","2","6","2","6","1") = "5"
    & skf21("4","6","5","2","6","2","7","1") = "6"
    & skf21("4","6","5","2","6","3","1","1") = "5"
    & skf21("4","6","5","2","6","3","2","1") = "5"
    & skf21("4","6","5","2","6","3","3","1") = "5"
    & skf21("4","6","5","2","6","3","4","1") = "5"
    & skf21("4","6","5","2","6","3","5","1") = "5"
    & skf21("4","6","5","2","6","3","6","1") = "5"
    & skf21("4","6","5","2","6","3","7","1") = "6"
    & skf21("4","6","5","2","6","4","1","1") = "5"
    & skf21("4","6","5","2","6","4","2","1") = "5"
    & skf21("4","6","5","2","6","4","3","1") = "5"
    & skf21("4","6","5","2","6","4","4","1") = "5"
    & skf21("4","6","5","2","6","4","5","1") = "5"
    & skf21("4","6","5","2","6","4","6","1") = "5"
    & skf21("4","6","5","2","6","4","7","1") = "6"
    & skf21("4","6","5","2","6","5","1","1") = "5"
    & skf21("4","6","5","2","6","5","2","1") = "5"
    & skf21("4","6","5","2","6","5","3","1") = "5"
    & skf21("4","6","5","2","6","5","4","1") = "5"
    & skf21("4","6","5","2","6","5","5","1") = "5"
    & skf21("4","6","5","2","6","5","6","1") = "5"
    & skf21("4","6","5","2","6","5","7","1") = "6"
    & skf21("4","6","5","2","6","6","1","1") = "5"
    & skf21("4","6","5","2","6","6","2","1") = "5"
    & skf21("4","6","5","2","6","6","3","1") = "5"
    & skf21("4","6","5","2","6","6","4","1") = "5"
    & skf21("4","6","5","2","6","6","5","1") = "5"
    & skf21("4","6","5","2","6","6","6","1") = "5"
    & skf21("4","6","5","2","6","6","7","1") = "6"
    & skf21("4","6","5","2","6","7","1","1") = "6"
    & skf21("4","6","5","2","6","7","2","1") = "6"
    & skf21("4","6","5","2","6","7","3","1") = "6"
    & skf21("4","6","5","2","6","7","4","1") = "6"
    & skf21("4","6","5","2","6","7","5","1") = "6"
    & skf21("4","6","5","2","6","7","6","1") = "6"
    & skf21("4","6","5","2","6","7","7","1") = "6"
    & skf21("4","6","5","2","7","1","1","1") = "6"
    & skf21("4","6","5","2","7","1","2","1") = "6"
    & skf21("4","6","5","2","7","1","3","1") = "6"
    & skf21("4","6","5","2","7","1","4","1") = "6"
    & skf21("4","6","5","2","7","1","5","1") = "6"
    & skf21("4","6","5","2","7","1","6","1") = "6"
    & skf21("4","6","5","2","7","1","7","1") = "6"
    & skf21("4","6","5","2","7","2","1","1") = "6"
    & skf21("4","6","5","2","7","2","2","1") = "6"
    & skf21("4","6","5","2","7","2","3","1") = "6"
    & skf21("4","6","5","2","7","2","4","1") = "6"
    & skf21("4","6","5","2","7","2","5","1") = "6"
    & skf21("4","6","5","2","7","2","6","1") = "6"
    & skf21("4","6","5","2","7","2","7","1") = "6"
    & skf21("4","6","5","2","7","3","1","1") = "6"
    & skf21("4","6","5","2","7","3","2","1") = "6"
    & skf21("4","6","5","2","7","3","3","1") = "6"
    & skf21("4","6","5","2","7","3","4","1") = "6"
    & skf21("4","6","5","2","7","3","5","1") = "6"
    & skf21("4","6","5","2","7","3","6","1") = "6"
    & skf21("4","6","5","2","7","3","7","1") = "6"
    & skf21("4","6","5","2","7","4","1","1") = "6"
    & skf21("4","6","5","2","7","4","2","1") = "6"
    & skf21("4","6","5","2","7","4","3","1") = "6"
    & skf21("4","6","5","2","7","4","4","1") = "6"
    & skf21("4","6","5","2","7","4","5","1") = "6"
    & skf21("4","6","5","2","7","4","6","1") = "6"
    & skf21("4","6","5","2","7","4","7","1") = "6"
    & skf21("4","6","5","2","7","5","1","1") = "6"
    & skf21("4","6","5","2","7","5","2","1") = "6"
    & skf21("4","6","5","2","7","5","3","1") = "6"
    & skf21("4","6","5","2","7","5","4","1") = "6"
    & skf21("4","6","5","2","7","5","5","1") = "6"
    & skf21("4","6","5","2","7","5","6","1") = "6"
    & skf21("4","6","5","2","7","5","7","1") = "6"
    & skf21("4","6","5","2","7","6","1","1") = "6"
    & skf21("4","6","5","2","7","6","2","1") = "6"
    & skf21("4","6","5","2","7","6","3","1") = "6"
    & skf21("4","6","5","2","7","6","4","1") = "6"
    & skf21("4","6","5","2","7","6","5","1") = "6"
    & skf21("4","6","5","2","7","6","6","1") = "6"
    & skf21("4","6","5","2","7","6","7","1") = "6"
    & skf21("4","6","5","2","7","7","1","1") = "6"
    & skf21("4","6","5","2","7","7","2","1") = "6"
    & skf21("4","6","5","2","7","7","3","1") = "6"
    & skf21("4","6","5","2","7","7","4","1") = "6"
    & skf21("4","6","5","2","7","7","5","1") = "6"
    & skf21("4","6","5","2","7","7","6","1") = "6"
    & skf21("4","6","5","2","7","7","7","1") = "6"
    & skf21("4","6","5","3","1","1","1","1") = "5"
    & skf21("4","6","5","3","1","1","2","1") = "5"
    & skf21("4","6","5","3","1","1","3","1") = "5"
    & skf21("4","6","5","3","1","1","4","1") = "5"
    & skf21("4","6","5","3","1","1","5","1") = "5"
    & skf21("4","6","5","3","1","1","6","1") = "5"
    & skf21("4","6","5","3","1","1","7","1") = "6"
    & skf21("4","6","5","3","1","2","1","1") = "5"
    & skf21("4","6","5","3","1","2","2","1") = "5"
    & skf21("4","6","5","3","1","2","3","1") = "5"
    & skf21("4","6","5","3","1","2","4","1") = "5"
    & skf21("4","6","5","3","1","2","5","1") = "5"
    & skf21("4","6","5","3","1","2","6","1") = "5"
    & skf21("4","6","5","3","1","2","7","1") = "6"
    & skf21("4","6","5","3","1","3","1","1") = "5"
    & skf21("4","6","5","3","1","3","2","1") = "5"
    & skf21("4","6","5","3","1","3","3","1") = "5"
    & skf21("4","6","5","3","1","3","4","1") = "5"
    & skf21("4","6","5","3","1","3","5","1") = "5"
    & skf21("4","6","5","3","1","3","6","1") = "5"
    & skf21("4","6","5","3","1","3","7","1") = "6"
    & skf21("4","6","5","3","1","4","1","1") = "5"
    & skf21("4","6","5","3","1","4","2","1") = "5"
    & skf21("4","6","5","3","1","4","3","1") = "5"
    & skf21("4","6","5","3","1","4","4","1") = "5"
    & skf21("4","6","5","3","1","4","5","1") = "5"
    & skf21("4","6","5","3","1","4","6","1") = "5"
    & skf21("4","6","5","3","1","4","7","1") = "6"
    & skf21("4","6","5","3","1","5","1","1") = "5"
    & skf21("4","6","5","3","1","5","2","1") = "5"
    & skf21("4","6","5","3","1","5","3","1") = "5"
    & skf21("4","6","5","3","1","5","4","1") = "5"
    & skf21("4","6","5","3","1","5","5","1") = "5"
    & skf21("4","6","5","3","1","5","6","1") = "5"
    & skf21("4","6","5","3","1","5","7","1") = "6"
    & skf21("4","6","5","3","1","6","1","1") = "5"
    & skf21("4","6","5","3","1","6","2","1") = "5"
    & skf21("4","6","5","3","1","6","3","1") = "5"
    & skf21("4","6","5","3","1","6","4","1") = "5"
    & skf21("4","6","5","3","1","6","5","1") = "5"
    & skf21("4","6","5","3","1","6","6","1") = "5"
    & skf21("4","6","5","3","1","6","7","1") = "6"
    & skf21("4","6","5","3","1","7","1","1") = "6"
    & skf21("4","6","5","3","1","7","2","1") = "6"
    & skf21("4","6","5","3","1","7","3","1") = "6"
    & skf21("4","6","5","3","1","7","4","1") = "6"
    & skf21("4","6","5","3","1","7","5","1") = "6"
    & skf21("4","6","5","3","1","7","6","1") = "6"
    & skf21("4","6","5","3","1","7","7","1") = "6"
    & skf21("4","6","5","3","2","1","1","1") = "5"
    & skf21("4","6","5","3","2","1","2","1") = "5"
    & skf21("4","6","5","3","2","1","3","1") = "5"
    & skf21("4","6","5","3","2","1","4","1") = "5"
    & skf21("4","6","5","3","2","1","5","1") = "5"
    & skf21("4","6","5","3","2","1","6","1") = "5"
    & skf21("4","6","5","3","2","1","7","1") = "6"
    & skf21("4","6","5","3","2","2","1","1") = "5"
    & skf21("4","6","5","3","2","2","2","1") = "5"
    & skf21("4","6","5","3","2","2","3","1") = "5"
    & skf21("4","6","5","3","2","2","4","1") = "5"
    & skf21("4","6","5","3","2","2","5","1") = "5"
    & skf21("4","6","5","3","2","2","6","1") = "5"
    & skf21("4","6","5","3","2","2","7","1") = "6"
    & skf21("4","6","5","3","2","3","1","1") = "5"
    & skf21("4","6","5","3","2","3","2","1") = "5"
    & skf21("4","6","5","3","2","3","3","1") = "5"
    & skf21("4","6","5","3","2","3","4","1") = "5"
    & skf21("4","6","5","3","2","3","5","1") = "5"
    & skf21("4","6","5","3","2","3","6","1") = "5"
    & skf21("4","6","5","3","2","3","7","1") = "6"
    & skf21("4","6","5","3","2","4","1","1") = "5"
    & skf21("4","6","5","3","2","4","2","1") = "5"
    & skf21("4","6","5","3","2","4","3","1") = "5"
    & skf21("4","6","5","3","2","4","4","1") = "5"
    & skf21("4","6","5","3","2","4","5","1") = "5"
    & skf21("4","6","5","3","2","4","6","1") = "5"
    & skf21("4","6","5","3","2","4","7","1") = "6"
    & skf21("4","6","5","3","2","5","1","1") = "5"
    & skf21("4","6","5","3","2","5","2","1") = "5"
    & skf21("4","6","5","3","2","5","3","1") = "5"
    & skf21("4","6","5","3","2","5","4","1") = "5"
    & skf21("4","6","5","3","2","5","5","1") = "5"
    & skf21("4","6","5","3","2","5","6","1") = "5"
    & skf21("4","6","5","3","2","5","7","1") = "6"
    & skf21("4","6","5","3","2","6","1","1") = "5"
    & skf21("4","6","5","3","2","6","2","1") = "5"
    & skf21("4","6","5","3","2","6","3","1") = "5"
    & skf21("4","6","5","3","2","6","4","1") = "5"
    & skf21("4","6","5","3","2","6","5","1") = "5"
    & skf21("4","6","5","3","2","6","6","1") = "5"
    & skf21("4","6","5","3","2","6","7","1") = "6"
    & skf21("4","6","5","3","2","7","1","1") = "6"
    & skf21("4","6","5","3","2","7","2","1") = "6"
    & skf21("4","6","5","3","2","7","3","1") = "6"
    & skf21("4","6","5","3","2","7","4","1") = "6"
    & skf21("4","6","5","3","2","7","5","1") = "6"
    & skf21("4","6","5","3","2","7","6","1") = "6"
    & skf21("4","6","5","3","2","7","7","1") = "6"
    & skf21("4","6","5","3","3","1","1","1") = "5"
    & skf21("4","6","5","3","3","1","2","1") = "5"
    & skf21("4","6","5","3","3","1","3","1") = "5"
    & skf21("4","6","5","3","3","1","4","1") = "5"
    & skf21("4","6","5","3","3","1","5","1") = "5"
    & skf21("4","6","5","3","3","1","6","1") = "5"
    & skf21("4","6","5","3","3","1","7","1") = "6"
    & skf21("4","6","5","3","3","2","1","1") = "5"
    & skf21("4","6","5","3","3","2","2","1") = "5"
    & skf21("4","6","5","3","3","2","3","1") = "5"
    & skf21("4","6","5","3","3","2","4","1") = "5"
    & skf21("4","6","5","3","3","2","5","1") = "5"
    & skf21("4","6","5","3","3","2","6","1") = "5"
    & skf21("4","6","5","3","3","2","7","1") = "6"
    & skf21("4","6","5","3","3","3","1","1") = "5"
    & skf21("4","6","5","3","3","3","2","1") = "5"
    & skf21("4","6","5","3","3","3","3","1") = "5"
    & skf21("4","6","5","3","3","3","4","1") = "5"
    & skf21("4","6","5","3","3","3","5","1") = "5"
    & skf21("4","6","5","3","3","3","6","1") = "5"
    & skf21("4","6","5","3","3","3","7","1") = "6"
    & skf21("4","6","5","3","3","4","1","1") = "5"
    & skf21("4","6","5","3","3","4","2","1") = "5"
    & skf21("4","6","5","3","3","4","3","1") = "5"
    & skf21("4","6","5","3","3","4","4","1") = "5"
    & skf21("4","6","5","3","3","4","5","1") = "5"
    & skf21("4","6","5","3","3","4","6","1") = "5"
    & skf21("4","6","5","3","3","4","7","1") = "6"
    & skf21("4","6","5","3","3","5","1","1") = "5"
    & skf21("4","6","5","3","3","5","2","1") = "5"
    & skf21("4","6","5","3","3","5","3","1") = "5"
    & skf21("4","6","5","3","3","5","4","1") = "5"
    & skf21("4","6","5","3","3","5","5","1") = "5"
    & skf21("4","6","5","3","3","5","6","1") = "5"
    & skf21("4","6","5","3","3","5","7","1") = "6"
    & skf21("4","6","5","3","3","6","1","1") = "5"
    & skf21("4","6","5","3","3","6","2","1") = "5"
    & skf21("4","6","5","3","3","6","3","1") = "5"
    & skf21("4","6","5","3","3","6","4","1") = "5"
    & skf21("4","6","5","3","3","6","5","1") = "5"
    & skf21("4","6","5","3","3","6","6","1") = "5"
    & skf21("4","6","5","3","3","6","7","1") = "6"
    & skf21("4","6","5","3","3","7","1","1") = "6"
    & skf21("4","6","5","3","3","7","2","1") = "6"
    & skf21("4","6","5","3","3","7","3","1") = "6"
    & skf21("4","6","5","3","3","7","4","1") = "6"
    & skf21("4","6","5","3","3","7","5","1") = "6"
    & skf21("4","6","5","3","3","7","6","1") = "6"
    & skf21("4","6","5","3","3","7","7","1") = "6"
    & skf21("4","6","5","3","4","1","1","1") = "5"
    & skf21("4","6","5","3","4","1","2","1") = "5"
    & skf21("4","6","5","3","4","1","3","1") = "5"
    & skf21("4","6","5","3","4","1","4","1") = "5"
    & skf21("4","6","5","3","4","1","5","1") = "5"
    & skf21("4","6","5","3","4","1","6","1") = "5"
    & skf21("4","6","5","3","4","1","7","1") = "6"
    & skf21("4","6","5","3","4","2","1","1") = "5"
    & skf21("4","6","5","3","4","2","2","1") = "5"
    & skf21("4","6","5","3","4","2","3","1") = "5"
    & skf21("4","6","5","3","4","2","4","1") = "5"
    & skf21("4","6","5","3","4","2","5","1") = "5"
    & skf21("4","6","5","3","4","2","6","1") = "5"
    & skf21("4","6","5","3","4","2","7","1") = "6"
    & skf21("4","6","5","3","4","3","1","1") = "5"
    & skf21("4","6","5","3","4","3","2","1") = "5"
    & skf21("4","6","5","3","4","3","3","1") = "5"
    & skf21("4","6","5","3","4","3","4","1") = "5"
    & skf21("4","6","5","3","4","3","5","1") = "5"
    & skf21("4","6","5","3","4","3","6","1") = "5"
    & skf21("4","6","5","3","4","3","7","1") = "6"
    & skf21("4","6","5","3","4","4","1","1") = "5"
    & skf21("4","6","5","3","4","4","2","1") = "5"
    & skf21("4","6","5","3","4","4","3","1") = "5"
    & skf21("4","6","5","3","4","4","4","1") = "5"
    & skf21("4","6","5","3","4","4","5","1") = "5"
    & skf21("4","6","5","3","4","4","6","1") = "5"
    & skf21("4","6","5","3","4","4","7","1") = "6"
    & skf21("4","6","5","3","4","5","1","1") = "5"
    & skf21("4","6","5","3","4","5","2","1") = "5"
    & skf21("4","6","5","3","4","5","3","1") = "5"
    & skf21("4","6","5","3","4","5","4","1") = "5"
    & skf21("4","6","5","3","4","5","5","1") = "5"
    & skf21("4","6","5","3","4","5","6","1") = "5"
    & skf21("4","6","5","3","4","5","7","1") = "6"
    & skf21("4","6","5","3","4","6","1","1") = "5"
    & skf21("4","6","5","3","4","6","2","1") = "5"
    & skf21("4","6","5","3","4","6","3","1") = "5"
    & skf21("4","6","5","3","4","6","4","1") = "5"
    & skf21("4","6","5","3","4","6","5","1") = "5"
    & skf21("4","6","5","3","4","6","6","1") = "5"
    & skf21("4","6","5","3","4","6","7","1") = "6"
    & skf21("4","6","5","3","4","7","1","1") = "6"
    & skf21("4","6","5","3","4","7","2","1") = "6"
    & skf21("4","6","5","3","4","7","3","1") = "6"
    & skf21("4","6","5","3","4","7","4","1") = "6"
    & skf21("4","6","5","3","4","7","5","1") = "6"
    & skf21("4","6","5","3","4","7","6","1") = "6"
    & skf21("4","6","5","3","4","7","7","1") = "6"
    & skf21("4","6","5","3","5","1","1","1") = "5"
    & skf21("4","6","5","3","5","1","2","1") = "5"
    & skf21("4","6","5","3","5","1","3","1") = "5"
    & skf21("4","6","5","3","5","1","4","1") = "5"
    & skf21("4","6","5","3","5","1","5","1") = "5"
    & skf21("4","6","5","3","5","1","6","1") = "5"
    & skf21("4","6","5","3","5","1","7","1") = "6"
    & skf21("4","6","5","3","5","2","1","1") = "5"
    & skf21("4","6","5","3","5","2","2","1") = "5"
    & skf21("4","6","5","3","5","2","3","1") = "5"
    & skf21("4","6","5","3","5","2","4","1") = "5"
    & skf21("4","6","5","3","5","2","5","1") = "5"
    & skf21("4","6","5","3","5","2","6","1") = "5"
    & skf21("4","6","5","3","5","2","7","1") = "6"
    & skf21("4","6","5","3","5","3","1","1") = "5"
    & skf21("4","6","5","3","5","3","2","1") = "5"
    & skf21("4","6","5","3","5","3","3","1") = "5"
    & skf21("4","6","5","3","5","3","4","1") = "5"
    & skf21("4","6","5","3","5","3","5","1") = "5"
    & skf21("4","6","5","3","5","3","6","1") = "5"
    & skf21("4","6","5","3","5","3","7","1") = "6"
    & skf21("4","6","5","3","5","4","1","1") = "5"
    & skf21("4","6","5","3","5","4","2","1") = "5"
    & skf21("4","6","5","3","5","4","3","1") = "5"
    & skf21("4","6","5","3","5","4","4","1") = "5"
    & skf21("4","6","5","3","5","4","5","1") = "5"
    & skf21("4","6","5","3","5","4","6","1") = "5"
    & skf21("4","6","5","3","5","4","7","1") = "6"
    & skf21("4","6","5","3","5","5","1","1") = "5"
    & skf21("4","6","5","3","5","5","2","1") = "5"
    & skf21("4","6","5","3","5","5","3","1") = "5"
    & skf21("4","6","5","3","5","5","4","1") = "5"
    & skf21("4","6","5","3","5","5","5","1") = "5"
    & skf21("4","6","5","3","5","5","6","1") = "5"
    & skf21("4","6","5","3","5","5","7","1") = "6"
    & skf21("4","6","5","3","5","6","1","1") = "5"
    & skf21("4","6","5","3","5","6","2","1") = "5"
    & skf21("4","6","5","3","5","6","3","1") = "5"
    & skf21("4","6","5","3","5","6","4","1") = "5"
    & skf21("4","6","5","3","5","6","5","1") = "5"
    & skf21("4","6","5","3","5","6","6","1") = "5"
    & skf21("4","6","5","3","5","6","7","1") = "6"
    & skf21("4","6","5","3","5","7","1","1") = "6"
    & skf21("4","6","5","3","5","7","2","1") = "6"
    & skf21("4","6","5","3","5","7","3","1") = "6"
    & skf21("4","6","5","3","5","7","4","1") = "6"
    & skf21("4","6","5","3","5","7","5","1") = "6"
    & skf21("4","6","5","3","5","7","6","1") = "6"
    & skf21("4","6","5","3","5","7","7","1") = "6"
    & skf21("4","6","5","3","6","1","1","1") = "5"
    & skf21("4","6","5","3","6","1","2","1") = "5"
    & skf21("4","6","5","3","6","1","3","1") = "5"
    & skf21("4","6","5","3","6","1","4","1") = "5"
    & skf21("4","6","5","3","6","1","5","1") = "5"
    & skf21("4","6","5","3","6","1","6","1") = "5"
    & skf21("4","6","5","3","6","1","7","1") = "6"
    & skf21("4","6","5","3","6","2","1","1") = "5"
    & skf21("4","6","5","3","6","2","2","1") = "5"
    & skf21("4","6","5","3","6","2","3","1") = "5"
    & skf21("4","6","5","3","6","2","4","1") = "5"
    & skf21("4","6","5","3","6","2","5","1") = "5"
    & skf21("4","6","5","3","6","2","6","1") = "5"
    & skf21("4","6","5","3","6","2","7","1") = "6"
    & skf21("4","6","5","3","6","3","1","1") = "5"
    & skf21("4","6","5","3","6","3","2","1") = "5"
    & skf21("4","6","5","3","6","3","3","1") = "5"
    & skf21("4","6","5","3","6","3","4","1") = "5"
    & skf21("4","6","5","3","6","3","5","1") = "5"
    & skf21("4","6","5","3","6","3","6","1") = "5"
    & skf21("4","6","5","3","6","3","7","1") = "6"
    & skf21("4","6","5","3","6","4","1","1") = "5"
    & skf21("4","6","5","3","6","4","2","1") = "5"
    & skf21("4","6","5","3","6","4","3","1") = "5"
    & skf21("4","6","5","3","6","4","4","1") = "5"
    & skf21("4","6","5","3","6","4","5","1") = "5"
    & skf21("4","6","5","3","6","4","6","1") = "5"
    & skf21("4","6","5","3","6","4","7","1") = "6"
    & skf21("4","6","5","3","6","5","1","1") = "5"
    & skf21("4","6","5","3","6","5","2","1") = "5"
    & skf21("4","6","5","3","6","5","3","1") = "5"
    & skf21("4","6","5","3","6","5","4","1") = "5"
    & skf21("4","6","5","3","6","5","5","1") = "5"
    & skf21("4","6","5","3","6","5","6","1") = "5"
    & skf21("4","6","5","3","6","5","7","1") = "6"
    & skf21("4","6","5","3","6","6","1","1") = "5"
    & skf21("4","6","5","3","6","6","2","1") = "5"
    & skf21("4","6","5","3","6","6","3","1") = "5"
    & skf21("4","6","5","3","6","6","4","1") = "5"
    & skf21("4","6","5","3","6","6","5","1") = "5"
    & skf21("4","6","5","3","6","6","6","1") = "5"
    & skf21("4","6","5","3","6","6","7","1") = "6"
    & skf21("4","6","5","3","6","7","1","1") = "6"
    & skf21("4","6","5","3","6","7","2","1") = "6"
    & skf21("4","6","5","3","6","7","3","1") = "6"
    & skf21("4","6","5","3","6","7","4","1") = "6"
    & skf21("4","6","5","3","6","7","5","1") = "6"
    & skf21("4","6","5","3","6","7","6","1") = "6"
    & skf21("4","6","5","3","6","7","7","1") = "6"
    & skf21("4","6","5","3","7","1","1","1") = "6"
    & skf21("4","6","5","3","7","1","2","1") = "6"
    & skf21("4","6","5","3","7","1","3","1") = "6"
    & skf21("4","6","5","3","7","1","4","1") = "6"
    & skf21("4","6","5","3","7","1","5","1") = "6"
    & skf21("4","6","5","3","7","1","6","1") = "6"
    & skf21("4","6","5","3","7","1","7","1") = "6"
    & skf21("4","6","5","3","7","2","1","1") = "6"
    & skf21("4","6","5","3","7","2","2","1") = "6"
    & skf21("4","6","5","3","7","2","3","1") = "6"
    & skf21("4","6","5","3","7","2","4","1") = "6"
    & skf21("4","6","5","3","7","2","5","1") = "6"
    & skf21("4","6","5","3","7","2","6","1") = "6"
    & skf21("4","6","5","3","7","2","7","1") = "6"
    & skf21("4","6","5","3","7","3","1","1") = "6"
    & skf21("4","6","5","3","7","3","2","1") = "6"
    & skf21("4","6","5","3","7","3","3","1") = "6"
    & skf21("4","6","5","3","7","3","4","1") = "6"
    & skf21("4","6","5","3","7","3","5","1") = "6"
    & skf21("4","6","5","3","7","3","6","1") = "6"
    & skf21("4","6","5","3","7","3","7","1") = "6"
    & skf21("4","6","5","3","7","4","1","1") = "6"
    & skf21("4","6","5","3","7","4","2","1") = "6"
    & skf21("4","6","5","3","7","4","3","1") = "6"
    & skf21("4","6","5","3","7","4","4","1") = "6"
    & skf21("4","6","5","3","7","4","5","1") = "6"
    & skf21("4","6","5","3","7","4","6","1") = "6"
    & skf21("4","6","5","3","7","4","7","1") = "6"
    & skf21("4","6","5","3","7","5","1","1") = "6"
    & skf21("4","6","5","3","7","5","2","1") = "6"
    & skf21("4","6","5","3","7","5","3","1") = "6"
    & skf21("4","6","5","3","7","5","4","1") = "6"
    & skf21("4","6","5","3","7","5","5","1") = "6"
    & skf21("4","6","5","3","7","5","6","1") = "6"
    & skf21("4","6","5","3","7","5","7","1") = "6"
    & skf21("4","6","5","3","7","6","1","1") = "6"
    & skf21("4","6","5","3","7","6","2","1") = "6"
    & skf21("4","6","5","3","7","6","3","1") = "6"
    & skf21("4","6","5","3","7","6","4","1") = "6"
    & skf21("4","6","5","3","7","6","5","1") = "6"
    & skf21("4","6","5","3","7","6","6","1") = "6"
    & skf21("4","6","5","3","7","6","7","1") = "6"
    & skf21("4","6","5","3","7","7","1","1") = "6"
    & skf21("4","6","5","3","7","7","2","1") = "6"
    & skf21("4","6","5","3","7","7","3","1") = "6"
    & skf21("4","6","5","3","7","7","4","1") = "6"
    & skf21("4","6","5","3","7","7","5","1") = "6"
    & skf21("4","6","5","3","7","7","6","1") = "6"
    & skf21("4","6","5","3","7","7","7","1") = "6"
    & skf21("4","6","5","4","1","1","1","1") = "5"
    & skf21("4","6","5","4","1","1","2","1") = "5"
    & skf21("4","6","5","4","1","1","3","1") = "5"
    & skf21("4","6","5","4","1","1","4","1") = "5"
    & skf21("4","6","5","4","1","1","5","1") = "5"
    & skf21("4","6","5","4","1","1","6","1") = "5"
    & skf21("4","6","5","4","1","1","7","1") = "6"
    & skf21("4","6","5","4","1","2","1","1") = "5"
    & skf21("4","6","5","4","1","2","2","1") = "5"
    & skf21("4","6","5","4","1","2","3","1") = "5"
    & skf21("4","6","5","4","1","2","4","1") = "5"
    & skf21("4","6","5","4","1","2","5","1") = "5"
    & skf21("4","6","5","4","1","2","6","1") = "5"
    & skf21("4","6","5","4","1","2","7","1") = "6"
    & skf21("4","6","5","4","1","3","1","1") = "5"
    & skf21("4","6","5","4","1","3","2","1") = "5"
    & skf21("4","6","5","4","1","3","3","1") = "5"
    & skf21("4","6","5","4","1","3","4","1") = "5"
    & skf21("4","6","5","4","1","3","5","1") = "5"
    & skf21("4","6","5","4","1","3","6","1") = "5"
    & skf21("4","6","5","4","1","3","7","1") = "6"
    & skf21("4","6","5","4","1","4","1","1") = "5"
    & skf21("4","6","5","4","1","4","2","1") = "5"
    & skf21("4","6","5","4","1","4","3","1") = "5"
    & skf21("4","6","5","4","1","4","4","1") = "5"
    & skf21("4","6","5","4","1","4","5","1") = "5"
    & skf21("4","6","5","4","1","4","6","1") = "5"
    & skf21("4","6","5","4","1","4","7","1") = "6"
    & skf21("4","6","5","4","1","5","1","1") = "5"
    & skf21("4","6","5","4","1","5","2","1") = "5"
    & skf21("4","6","5","4","1","5","3","1") = "5"
    & skf21("4","6","5","4","1","5","4","1") = "5"
    & skf21("4","6","5","4","1","5","5","1") = "5"
    & skf21("4","6","5","4","1","5","6","1") = "5"
    & skf21("4","6","5","4","1","5","7","1") = "6"
    & skf21("4","6","5","4","1","6","1","1") = "5"
    & skf21("4","6","5","4","1","6","2","1") = "5"
    & skf21("4","6","5","4","1","6","3","1") = "5"
    & skf21("4","6","5","4","1","6","4","1") = "5"
    & skf21("4","6","5","4","1","6","5","1") = "5"
    & skf21("4","6","5","4","1","6","6","1") = "5"
    & skf21("4","6","5","4","1","6","7","1") = "6"
    & skf21("4","6","5","4","1","7","1","1") = "6"
    & skf21("4","6","5","4","1","7","2","1") = "6"
    & skf21("4","6","5","4","1","7","3","1") = "6"
    & skf21("4","6","5","4","1","7","4","1") = "6"
    & skf21("4","6","5","4","1","7","5","1") = "6"
    & skf21("4","6","5","4","1","7","6","1") = "6"
    & skf21("4","6","5","4","1","7","7","1") = "6"
    & skf21("4","6","5","4","2","1","1","1") = "5"
    & skf21("4","6","5","4","2","1","2","1") = "5"
    & skf21("4","6","5","4","2","1","3","1") = "5"
    & skf21("4","6","5","4","2","1","4","1") = "5"
    & skf21("4","6","5","4","2","1","5","1") = "5"
    & skf21("4","6","5","4","2","1","6","1") = "5"
    & skf21("4","6","5","4","2","1","7","1") = "6"
    & skf21("4","6","5","4","2","2","1","1") = "5"
    & skf21("4","6","5","4","2","2","2","1") = "5"
    & skf21("4","6","5","4","2","2","3","1") = "5"
    & skf21("4","6","5","4","2","2","4","1") = "5"
    & skf21("4","6","5","4","2","2","5","1") = "5"
    & skf21("4","6","5","4","2","2","6","1") = "5"
    & skf21("4","6","5","4","2","2","7","1") = "6"
    & skf21("4","6","5","4","2","3","1","1") = "5"
    & skf21("4","6","5","4","2","3","2","1") = "5"
    & skf21("4","6","5","4","2","3","3","1") = "5"
    & skf21("4","6","5","4","2","3","4","1") = "5"
    & skf21("4","6","5","4","2","3","5","1") = "5"
    & skf21("4","6","5","4","2","3","6","1") = "5"
    & skf21("4","6","5","4","2","3","7","1") = "6"
    & skf21("4","6","5","4","2","4","1","1") = "5"
    & skf21("4","6","5","4","2","4","2","1") = "5"
    & skf21("4","6","5","4","2","4","3","1") = "5"
    & skf21("4","6","5","4","2","4","4","1") = "5"
    & skf21("4","6","5","4","2","4","5","1") = "5"
    & skf21("4","6","5","4","2","4","6","1") = "5"
    & skf21("4","6","5","4","2","4","7","1") = "6"
    & skf21("4","6","5","4","2","5","1","1") = "5"
    & skf21("4","6","5","4","2","5","2","1") = "5"
    & skf21("4","6","5","4","2","5","3","1") = "5"
    & skf21("4","6","5","4","2","5","4","1") = "5"
    & skf21("4","6","5","4","2","5","5","1") = "5"
    & skf21("4","6","5","4","2","5","6","1") = "5"
    & skf21("4","6","5","4","2","5","7","1") = "6"
    & skf21("4","6","5","4","2","6","1","1") = "5"
    & skf21("4","6","5","4","2","6","2","1") = "5"
    & skf21("4","6","5","4","2","6","3","1") = "5"
    & skf21("4","6","5","4","2","6","4","1") = "5"
    & skf21("4","6","5","4","2","6","5","1") = "5"
    & skf21("4","6","5","4","2","6","6","1") = "5"
    & skf21("4","6","5","4","2","6","7","1") = "6"
    & skf21("4","6","5","4","2","7","1","1") = "6"
    & skf21("4","6","5","4","2","7","2","1") = "6"
    & skf21("4","6","5","4","2","7","3","1") = "6"
    & skf21("4","6","5","4","2","7","4","1") = "6"
    & skf21("4","6","5","4","2","7","5","1") = "6"
    & skf21("4","6","5","4","2","7","6","1") = "6"
    & skf21("4","6","5","4","2","7","7","1") = "6"
    & skf21("4","6","5","4","3","1","1","1") = "5"
    & skf21("4","6","5","4","3","1","2","1") = "5"
    & skf21("4","6","5","4","3","1","3","1") = "5"
    & skf21("4","6","5","4","3","1","4","1") = "5"
    & skf21("4","6","5","4","3","1","5","1") = "5"
    & skf21("4","6","5","4","3","1","6","1") = "5"
    & skf21("4","6","5","4","3","1","7","1") = "6"
    & skf21("4","6","5","4","3","2","1","1") = "5"
    & skf21("4","6","5","4","3","2","2","1") = "5"
    & skf21("4","6","5","4","3","2","3","1") = "5"
    & skf21("4","6","5","4","3","2","4","1") = "5"
    & skf21("4","6","5","4","3","2","5","1") = "5"
    & skf21("4","6","5","4","3","2","6","1") = "5"
    & skf21("4","6","5","4","3","2","7","1") = "6"
    & skf21("4","6","5","4","3","3","1","1") = "5"
    & skf21("4","6","5","4","3","3","2","1") = "5"
    & skf21("4","6","5","4","3","3","3","1") = "5"
    & skf21("4","6","5","4","3","3","4","1") = "5"
    & skf21("4","6","5","4","3","3","5","1") = "5"
    & skf21("4","6","5","4","3","3","6","1") = "5"
    & skf21("4","6","5","4","3","3","7","1") = "6"
    & skf21("4","6","5","4","3","4","1","1") = "5"
    & skf21("4","6","5","4","3","4","2","1") = "5"
    & skf21("4","6","5","4","3","4","3","1") = "5"
    & skf21("4","6","5","4","3","4","4","1") = "5"
    & skf21("4","6","5","4","3","4","5","1") = "5"
    & skf21("4","6","5","4","3","4","6","1") = "5"
    & skf21("4","6","5","4","3","4","7","1") = "6"
    & skf21("4","6","5","4","3","5","1","1") = "5"
    & skf21("4","6","5","4","3","5","2","1") = "5"
    & skf21("4","6","5","4","3","5","3","1") = "5"
    & skf21("4","6","5","4","3","5","4","1") = "5"
    & skf21("4","6","5","4","3","5","5","1") = "5"
    & skf21("4","6","5","4","3","5","6","1") = "5"
    & skf21("4","6","5","4","3","5","7","1") = "6"
    & skf21("4","6","5","4","3","6","1","1") = "5"
    & skf21("4","6","5","4","3","6","2","1") = "5"
    & skf21("4","6","5","4","3","6","3","1") = "5"
    & skf21("4","6","5","4","3","6","4","1") = "5"
    & skf21("4","6","5","4","3","6","5","1") = "5"
    & skf21("4","6","5","4","3","6","6","1") = "5"
    & skf21("4","6","5","4","3","6","7","1") = "6"
    & skf21("4","6","5","4","3","7","1","1") = "6"
    & skf21("4","6","5","4","3","7","2","1") = "6"
    & skf21("4","6","5","4","3","7","3","1") = "6"
    & skf21("4","6","5","4","3","7","4","1") = "6"
    & skf21("4","6","5","4","3","7","5","1") = "6"
    & skf21("4","6","5","4","3","7","6","1") = "6"
    & skf21("4","6","5","4","3","7","7","1") = "6"
    & skf21("4","6","5","4","4","1","1","1") = "5"
    & skf21("4","6","5","4","4","1","2","1") = "5"
    & skf21("4","6","5","4","4","1","3","1") = "5"
    & skf21("4","6","5","4","4","1","4","1") = "5"
    & skf21("4","6","5","4","4","1","5","1") = "5"
    & skf21("4","6","5","4","4","1","6","1") = "5"
    & skf21("4","6","5","4","4","1","7","1") = "6"
    & skf21("4","6","5","4","4","2","1","1") = "5"
    & skf21("4","6","5","4","4","2","2","1") = "5"
    & skf21("4","6","5","4","4","2","3","1") = "5"
    & skf21("4","6","5","4","4","2","4","1") = "5"
    & skf21("4","6","5","4","4","2","5","1") = "5"
    & skf21("4","6","5","4","4","2","6","1") = "5"
    & skf21("4","6","5","4","4","2","7","1") = "6"
    & skf21("4","6","5","4","4","3","1","1") = "5"
    & skf21("4","6","5","4","4","3","2","1") = "5"
    & skf21("4","6","5","4","4","3","3","1") = "5"
    & skf21("4","6","5","4","4","3","4","1") = "5"
    & skf21("4","6","5","4","4","3","5","1") = "5"
    & skf21("4","6","5","4","4","3","6","1") = "5"
    & skf21("4","6","5","4","4","3","7","1") = "6"
    & skf21("4","6","5","4","4","4","1","1") = "5"
    & skf21("4","6","5","4","4","4","2","1") = "5"
    & skf21("4","6","5","4","4","4","3","1") = "5"
    & skf21("4","6","5","4","4","4","4","1") = "5"
    & skf21("4","6","5","4","4","4","5","1") = "5"
    & skf21("4","6","5","4","4","4","6","1") = "5"
    & skf21("4","6","5","4","4","4","7","1") = "6"
    & skf21("4","6","5","4","4","5","1","1") = "5"
    & skf21("4","6","5","4","4","5","2","1") = "5"
    & skf21("4","6","5","4","4","5","3","1") = "5"
    & skf21("4","6","5","4","4","5","4","1") = "5"
    & skf21("4","6","5","4","4","5","5","1") = "5"
    & skf21("4","6","5","4","4","5","6","1") = "5"
    & skf21("4","6","5","4","4","5","7","1") = "6"
    & skf21("4","6","5","4","4","6","1","1") = "5"
    & skf21("4","6","5","4","4","6","2","1") = "5"
    & skf21("4","6","5","4","4","6","3","1") = "5"
    & skf21("4","6","5","4","4","6","4","1") = "5"
    & skf21("4","6","5","4","4","6","5","1") = "5"
    & skf21("4","6","5","4","4","6","6","1") = "5"
    & skf21("4","6","5","4","4","6","7","1") = "6"
    & skf21("4","6","5","4","4","7","1","1") = "6"
    & skf21("4","6","5","4","4","7","2","1") = "6"
    & skf21("4","6","5","4","4","7","3","1") = "6"
    & skf21("4","6","5","4","4","7","4","1") = "6"
    & skf21("4","6","5","4","4","7","5","1") = "6"
    & skf21("4","6","5","4","4","7","6","1") = "6"
    & skf21("4","6","5","4","4","7","7","1") = "6"
    & skf21("4","6","5","4","5","1","1","1") = "5"
    & skf21("4","6","5","4","5","1","2","1") = "5"
    & skf21("4","6","5","4","5","1","3","1") = "5"
    & skf21("4","6","5","4","5","1","4","1") = "5"
    & skf21("4","6","5","4","5","1","5","1") = "5"
    & skf21("4","6","5","4","5","1","6","1") = "5"
    & skf21("4","6","5","4","5","1","7","1") = "6"
    & skf21("4","6","5","4","5","2","1","1") = "5"
    & skf21("4","6","5","4","5","2","2","1") = "5"
    & skf21("4","6","5","4","5","2","3","1") = "5"
    & skf21("4","6","5","4","5","2","4","1") = "5"
    & skf21("4","6","5","4","5","2","5","1") = "5"
    & skf21("4","6","5","4","5","2","6","1") = "5"
    & skf21("4","6","5","4","5","2","7","1") = "6"
    & skf21("4","6","5","4","5","3","1","1") = "5"
    & skf21("4","6","5","4","5","3","2","1") = "5"
    & skf21("4","6","5","4","5","3","3","1") = "5"
    & skf21("4","6","5","4","5","3","4","1") = "5"
    & skf21("4","6","5","4","5","3","5","1") = "5"
    & skf21("4","6","5","4","5","3","6","1") = "5"
    & skf21("4","6","5","4","5","3","7","1") = "6"
    & skf21("4","6","5","4","5","4","1","1") = "5"
    & skf21("4","6","5","4","5","4","2","1") = "5"
    & skf21("4","6","5","4","5","4","3","1") = "5"
    & skf21("4","6","5","4","5","4","4","1") = "5"
    & skf21("4","6","5","4","5","4","5","1") = "5"
    & skf21("4","6","5","4","5","4","6","1") = "5"
    & skf21("4","6","5","4","5","4","7","1") = "6"
    & skf21("4","6","5","4","5","5","1","1") = "5"
    & skf21("4","6","5","4","5","5","2","1") = "5"
    & skf21("4","6","5","4","5","5","3","1") = "5"
    & skf21("4","6","5","4","5","5","4","1") = "5"
    & skf21("4","6","5","4","5","5","5","1") = "5"
    & skf21("4","6","5","4","5","5","6","1") = "5"
    & skf21("4","6","5","4","5","5","7","1") = "6"
    & skf21("4","6","5","4","5","6","1","1") = "5"
    & skf21("4","6","5","4","5","6","2","1") = "5"
    & skf21("4","6","5","4","5","6","3","1") = "5"
    & skf21("4","6","5","4","5","6","4","1") = "5"
    & skf21("4","6","5","4","5","6","5","1") = "5"
    & skf21("4","6","5","4","5","6","6","1") = "5"
    & skf21("4","6","5","4","5","6","7","1") = "6"
    & skf21("4","6","5","4","5","7","1","1") = "6"
    & skf21("4","6","5","4","5","7","2","1") = "6"
    & skf21("4","6","5","4","5","7","3","1") = "6"
    & skf21("4","6","5","4","5","7","4","1") = "6"
    & skf21("4","6","5","4","5","7","5","1") = "6"
    & skf21("4","6","5","4","5","7","6","1") = "6"
    & skf21("4","6","5","4","5","7","7","1") = "6"
    & skf21("4","6","5","4","6","1","1","1") = "5"
    & skf21("4","6","5","4","6","1","2","1") = "5"
    & skf21("4","6","5","4","6","1","3","1") = "5"
    & skf21("4","6","5","4","6","1","4","1") = "5"
    & skf21("4","6","5","4","6","1","5","1") = "5"
    & skf21("4","6","5","4","6","1","6","1") = "5"
    & skf21("4","6","5","4","6","1","7","1") = "6"
    & skf21("4","6","5","4","6","2","1","1") = "5"
    & skf21("4","6","5","4","6","2","2","1") = "5"
    & skf21("4","6","5","4","6","2","3","1") = "5"
    & skf21("4","6","5","4","6","2","4","1") = "5"
    & skf21("4","6","5","4","6","2","5","1") = "5"
    & skf21("4","6","5","4","6","2","6","1") = "5"
    & skf21("4","6","5","4","6","2","7","1") = "6"
    & skf21("4","6","5","4","6","3","1","1") = "5"
    & skf21("4","6","5","4","6","3","2","1") = "5"
    & skf21("4","6","5","4","6","3","3","1") = "5"
    & skf21("4","6","5","4","6","3","4","1") = "5"
    & skf21("4","6","5","4","6","3","5","1") = "5"
    & skf21("4","6","5","4","6","3","6","1") = "5"
    & skf21("4","6","5","4","6","3","7","1") = "6"
    & skf21("4","6","5","4","6","4","1","1") = "5"
    & skf21("4","6","5","4","6","4","2","1") = "5"
    & skf21("4","6","5","4","6","4","3","1") = "5"
    & skf21("4","6","5","4","6","4","4","1") = "5"
    & skf21("4","6","5","4","6","4","5","1") = "5"
    & skf21("4","6","5","4","6","4","6","1") = "5"
    & skf21("4","6","5","4","6","4","7","1") = "6"
    & skf21("4","6","5","4","6","5","1","1") = "5"
    & skf21("4","6","5","4","6","5","2","1") = "5"
    & skf21("4","6","5","4","6","5","3","1") = "5"
    & skf21("4","6","5","4","6","5","4","1") = "5"
    & skf21("4","6","5","4","6","5","5","1") = "5"
    & skf21("4","6","5","4","6","5","6","1") = "5"
    & skf21("4","6","5","4","6","5","7","1") = "6"
    & skf21("4","6","5","4","6","6","1","1") = "5"
    & skf21("4","6","5","4","6","6","2","1") = "5"
    & skf21("4","6","5","4","6","6","3","1") = "5"
    & skf21("4","6","5","4","6","6","4","1") = "5"
    & skf21("4","6","5","4","6","6","5","1") = "5"
    & skf21("4","6","5","4","6","6","6","1") = "5"
    & skf21("4","6","5","4","6","6","7","1") = "6"
    & skf21("4","6","5","4","6","7","1","1") = "6"
    & skf21("4","6","5","4","6","7","2","1") = "6"
    & skf21("4","6","5","4","6","7","3","1") = "6"
    & skf21("4","6","5","4","6","7","4","1") = "6"
    & skf21("4","6","5","4","6","7","5","1") = "6"
    & skf21("4","6","5","4","6","7","6","1") = "6"
    & skf21("4","6","5","4","6","7","7","1") = "6"
    & skf21("4","6","5","4","7","1","1","1") = "6"
    & skf21("4","6","5","4","7","1","2","1") = "6"
    & skf21("4","6","5","4","7","1","3","1") = "6"
    & skf21("4","6","5","4","7","1","4","1") = "6"
    & skf21("4","6","5","4","7","1","5","1") = "6"
    & skf21("4","6","5","4","7","1","6","1") = "6"
    & skf21("4","6","5","4","7","1","7","1") = "6"
    & skf21("4","6","5","4","7","2","1","1") = "6"
    & skf21("4","6","5","4","7","2","2","1") = "6"
    & skf21("4","6","5","4","7","2","3","1") = "6"
    & skf21("4","6","5","4","7","2","4","1") = "6"
    & skf21("4","6","5","4","7","2","5","1") = "6"
    & skf21("4","6","5","4","7","2","6","1") = "6"
    & skf21("4","6","5","4","7","2","7","1") = "6"
    & skf21("4","6","5","4","7","3","1","1") = "6"
    & skf21("4","6","5","4","7","3","2","1") = "6"
    & skf21("4","6","5","4","7","3","3","1") = "6"
    & skf21("4","6","5","4","7","3","4","1") = "6"
    & skf21("4","6","5","4","7","3","5","1") = "6"
    & skf21("4","6","5","4","7","3","6","1") = "6"
    & skf21("4","6","5","4","7","3","7","1") = "6"
    & skf21("4","6","5","4","7","4","1","1") = "6"
    & skf21("4","6","5","4","7","4","2","1") = "6"
    & skf21("4","6","5","4","7","4","3","1") = "6"
    & skf21("4","6","5","4","7","4","4","1") = "6"
    & skf21("4","6","5","4","7","4","5","1") = "6"
    & skf21("4","6","5","4","7","4","6","1") = "6"
    & skf21("4","6","5","4","7","4","7","1") = "6"
    & skf21("4","6","5","4","7","5","1","1") = "6"
    & skf21("4","6","5","4","7","5","2","1") = "6"
    & skf21("4","6","5","4","7","5","3","1") = "6"
    & skf21("4","6","5","4","7","5","4","1") = "6"
    & skf21("4","6","5","4","7","5","5","1") = "6"
    & skf21("4","6","5","4","7","5","6","1") = "6"
    & skf21("4","6","5","4","7","5","7","1") = "6"
    & skf21("4","6","5","4","7","6","1","1") = "6"
    & skf21("4","6","5","4","7","6","2","1") = "6"
    & skf21("4","6","5","4","7","6","3","1") = "6"
    & skf21("4","6","5","4","7","6","4","1") = "6"
    & skf21("4","6","5","4","7","6","5","1") = "6"
    & skf21("4","6","5","4","7","6","6","1") = "6"
    & skf21("4","6","5","4","7","6","7","1") = "6"
    & skf21("4","6","5","4","7","7","1","1") = "6"
    & skf21("4","6","5","4","7","7","2","1") = "6"
    & skf21("4","6","5","4","7","7","3","1") = "6"
    & skf21("4","6","5","4","7","7","4","1") = "6"
    & skf21("4","6","5","4","7","7","5","1") = "6"
    & skf21("4","6","5","4","7","7","6","1") = "6"
    & skf21("4","6","5","4","7","7","7","1") = "6"
    & skf21("4","6","5","5","1","1","1","1") = "5"
    & skf21("4","6","5","5","1","1","2","1") = "5"
    & skf21("4","6","5","5","1","1","3","1") = "5"
    & skf21("4","6","5","5","1","1","4","1") = "5"
    & skf21("4","6","5","5","1","1","5","1") = "5"
    & skf21("4","6","5","5","1","1","6","1") = "5"
    & skf21("4","6","5","5","1","1","7","1") = "6"
    & skf21("4","6","5","5","1","2","1","1") = "5"
    & skf21("4","6","5","5","1","2","2","1") = "5"
    & skf21("4","6","5","5","1","2","3","1") = "5"
    & skf21("4","6","5","5","1","2","4","1") = "5"
    & skf21("4","6","5","5","1","2","5","1") = "5"
    & skf21("4","6","5","5","1","2","6","1") = "5"
    & skf21("4","6","5","5","1","2","7","1") = "6"
    & skf21("4","6","5","5","1","3","1","1") = "5"
    & skf21("4","6","5","5","1","3","2","1") = "5"
    & skf21("4","6","5","5","1","3","3","1") = "5"
    & skf21("4","6","5","5","1","3","4","1") = "5"
    & skf21("4","6","5","5","1","3","5","1") = "5"
    & skf21("4","6","5","5","1","3","6","1") = "5"
    & skf21("4","6","5","5","1","3","7","1") = "6"
    & skf21("4","6","5","5","1","4","1","1") = "5"
    & skf21("4","6","5","5","1","4","2","1") = "5"
    & skf21("4","6","5","5","1","4","3","1") = "5"
    & skf21("4","6","5","5","1","4","4","1") = "5"
    & skf21("4","6","5","5","1","4","5","1") = "5"
    & skf21("4","6","5","5","1","4","6","1") = "5"
    & skf21("4","6","5","5","1","4","7","1") = "6"
    & skf21("4","6","5","5","1","5","1","1") = "5"
    & skf21("4","6","5","5","1","5","2","1") = "5"
    & skf21("4","6","5","5","1","5","3","1") = "5"
    & skf21("4","6","5","5","1","5","4","1") = "5"
    & skf21("4","6","5","5","1","5","5","1") = "5"
    & skf21("4","6","5","5","1","5","6","1") = "5"
    & skf21("4","6","5","5","1","5","7","1") = "6"
    & skf21("4","6","5","5","1","6","1","1") = "5"
    & skf21("4","6","5","5","1","6","2","1") = "5"
    & skf21("4","6","5","5","1","6","3","1") = "5"
    & skf21("4","6","5","5","1","6","4","1") = "5"
    & skf21("4","6","5","5","1","6","5","1") = "5"
    & skf21("4","6","5","5","1","6","6","1") = "5"
    & skf21("4","6","5","5","1","6","7","1") = "6"
    & skf21("4","6","5","5","1","7","1","1") = "6"
    & skf21("4","6","5","5","1","7","2","1") = "6"
    & skf21("4","6","5","5","1","7","3","1") = "6"
    & skf21("4","6","5","5","1","7","4","1") = "6"
    & skf21("4","6","5","5","1","7","5","1") = "6"
    & skf21("4","6","5","5","1","7","6","1") = "6"
    & skf21("4","6","5","5","1","7","7","1") = "6"
    & skf21("4","6","5","5","2","1","1","1") = "5"
    & skf21("4","6","5","5","2","1","2","1") = "5"
    & skf21("4","6","5","5","2","1","3","1") = "5"
    & skf21("4","6","5","5","2","1","4","1") = "5"
    & skf21("4","6","5","5","2","1","5","1") = "5"
    & skf21("4","6","5","5","2","1","6","1") = "5"
    & skf21("4","6","5","5","2","1","7","1") = "6"
    & skf21("4","6","5","5","2","2","1","1") = "5"
    & skf21("4","6","5","5","2","2","2","1") = "5"
    & skf21("4","6","5","5","2","2","3","1") = "5"
    & skf21("4","6","5","5","2","2","4","1") = "5"
    & skf21("4","6","5","5","2","2","5","1") = "5"
    & skf21("4","6","5","5","2","2","6","1") = "5"
    & skf21("4","6","5","5","2","2","7","1") = "6"
    & skf21("4","6","5","5","2","3","1","1") = "5"
    & skf21("4","6","5","5","2","3","2","1") = "5"
    & skf21("4","6","5","5","2","3","3","1") = "5"
    & skf21("4","6","5","5","2","3","4","1") = "5"
    & skf21("4","6","5","5","2","3","5","1") = "5"
    & skf21("4","6","5","5","2","3","6","1") = "5"
    & skf21("4","6","5","5","2","3","7","1") = "6"
    & skf21("4","6","5","5","2","4","1","1") = "5"
    & skf21("4","6","5","5","2","4","2","1") = "5"
    & skf21("4","6","5","5","2","4","3","1") = "5"
    & skf21("4","6","5","5","2","4","4","1") = "5"
    & skf21("4","6","5","5","2","4","5","1") = "5"
    & skf21("4","6","5","5","2","4","6","1") = "5"
    & skf21("4","6","5","5","2","4","7","1") = "6"
    & skf21("4","6","5","5","2","5","1","1") = "5"
    & skf21("4","6","5","5","2","5","2","1") = "5"
    & skf21("4","6","5","5","2","5","3","1") = "5"
    & skf21("4","6","5","5","2","5","4","1") = "5"
    & skf21("4","6","5","5","2","5","5","1") = "5"
    & skf21("4","6","5","5","2","5","6","1") = "5"
    & skf21("4","6","5","5","2","5","7","1") = "6"
    & skf21("4","6","5","5","2","6","1","1") = "5"
    & skf21("4","6","5","5","2","6","2","1") = "5"
    & skf21("4","6","5","5","2","6","3","1") = "5"
    & skf21("4","6","5","5","2","6","4","1") = "5"
    & skf21("4","6","5","5","2","6","5","1") = "5"
    & skf21("4","6","5","5","2","6","6","1") = "5"
    & skf21("4","6","5","5","2","6","7","1") = "6"
    & skf21("4","6","5","5","2","7","1","1") = "6"
    & skf21("4","6","5","5","2","7","2","1") = "6"
    & skf21("4","6","5","5","2","7","3","1") = "6"
    & skf21("4","6","5","5","2","7","4","1") = "6"
    & skf21("4","6","5","5","2","7","5","1") = "6"
    & skf21("4","6","5","5","2","7","6","1") = "6"
    & skf21("4","6","5","5","2","7","7","1") = "6"
    & skf21("4","6","5","5","3","1","1","1") = "5"
    & skf21("4","6","5","5","3","1","2","1") = "5"
    & skf21("4","6","5","5","3","1","3","1") = "5"
    & skf21("4","6","5","5","3","1","4","1") = "5"
    & skf21("4","6","5","5","3","1","5","1") = "5"
    & skf21("4","6","5","5","3","1","6","1") = "5"
    & skf21("4","6","5","5","3","1","7","1") = "6"
    & skf21("4","6","5","5","3","2","1","1") = "5"
    & skf21("4","6","5","5","3","2","2","1") = "5"
    & skf21("4","6","5","5","3","2","3","1") = "5"
    & skf21("4","6","5","5","3","2","4","1") = "5"
    & skf21("4","6","5","5","3","2","5","1") = "5"
    & skf21("4","6","5","5","3","2","6","1") = "5"
    & skf21("4","6","5","5","3","2","7","1") = "6"
    & skf21("4","6","5","5","3","3","1","1") = "5"
    & skf21("4","6","5","5","3","3","2","1") = "5"
    & skf21("4","6","5","5","3","3","3","1") = "5"
    & skf21("4","6","5","5","3","3","4","1") = "5"
    & skf21("4","6","5","5","3","3","5","1") = "5"
    & skf21("4","6","5","5","3","3","6","1") = "5"
    & skf21("4","6","5","5","3","3","7","1") = "6"
    & skf21("4","6","5","5","3","4","1","1") = "5"
    & skf21("4","6","5","5","3","4","2","1") = "5"
    & skf21("4","6","5","5","3","4","3","1") = "5"
    & skf21("4","6","5","5","3","4","4","1") = "5"
    & skf21("4","6","5","5","3","4","5","1") = "5"
    & skf21("4","6","5","5","3","4","6","1") = "5"
    & skf21("4","6","5","5","3","4","7","1") = "6"
    & skf21("4","6","5","5","3","5","1","1") = "5"
    & skf21("4","6","5","5","3","5","2","1") = "5"
    & skf21("4","6","5","5","3","5","3","1") = "5"
    & skf21("4","6","5","5","3","5","4","1") = "5"
    & skf21("4","6","5","5","3","5","5","1") = "5"
    & skf21("4","6","5","5","3","5","6","1") = "5"
    & skf21("4","6","5","5","3","5","7","1") = "6"
    & skf21("4","6","5","5","3","6","1","1") = "5"
    & skf21("4","6","5","5","3","6","2","1") = "5"
    & skf21("4","6","5","5","3","6","3","1") = "5"
    & skf21("4","6","5","5","3","6","4","1") = "5"
    & skf21("4","6","5","5","3","6","5","1") = "5"
    & skf21("4","6","5","5","3","6","6","1") = "5"
    & skf21("4","6","5","5","3","6","7","1") = "6"
    & skf21("4","6","5","5","3","7","1","1") = "6"
    & skf21("4","6","5","5","3","7","2","1") = "6"
    & skf21("4","6","5","5","3","7","3","1") = "6"
    & skf21("4","6","5","5","3","7","4","1") = "6"
    & skf21("4","6","5","5","3","7","5","1") = "6"
    & skf21("4","6","5","5","3","7","6","1") = "6"
    & skf21("4","6","5","5","3","7","7","1") = "6"
    & skf21("4","6","5","5","4","1","1","1") = "5"
    & skf21("4","6","5","5","4","1","2","1") = "5"
    & skf21("4","6","5","5","4","1","3","1") = "5"
    & skf21("4","6","5","5","4","1","4","1") = "5"
    & skf21("4","6","5","5","4","1","5","1") = "5"
    & skf21("4","6","5","5","4","1","6","1") = "5"
    & skf21("4","6","5","5","4","1","7","1") = "6"
    & skf21("4","6","5","5","4","2","1","1") = "5"
    & skf21("4","6","5","5","4","2","2","1") = "5"
    & skf21("4","6","5","5","4","2","3","1") = "5"
    & skf21("4","6","5","5","4","2","4","1") = "5"
    & skf21("4","6","5","5","4","2","5","1") = "5"
    & skf21("4","6","5","5","4","2","6","1") = "5"
    & skf21("4","6","5","5","4","2","7","1") = "6"
    & skf21("4","6","5","5","4","3","1","1") = "5"
    & skf21("4","6","5","5","4","3","2","1") = "5"
    & skf21("4","6","5","5","4","3","3","1") = "5"
    & skf21("4","6","5","5","4","3","4","1") = "5"
    & skf21("4","6","5","5","4","3","5","1") = "5"
    & skf21("4","6","5","5","4","3","6","1") = "5"
    & skf21("4","6","5","5","4","3","7","1") = "6"
    & skf21("4","6","5","5","4","4","1","1") = "5"
    & skf21("4","6","5","5","4","4","2","1") = "5"
    & skf21("4","6","5","5","4","4","3","1") = "5"
    & skf21("4","6","5","5","4","4","4","1") = "5"
    & skf21("4","6","5","5","4","4","5","1") = "5"
    & skf21("4","6","5","5","4","4","6","1") = "5"
    & skf21("4","6","5","5","4","4","7","1") = "6"
    & skf21("4","6","5","5","4","5","1","1") = "5"
    & skf21("4","6","5","5","4","5","2","1") = "5"
    & skf21("4","6","5","5","4","5","3","1") = "5"
    & skf21("4","6","5","5","4","5","4","1") = "5"
    & skf21("4","6","5","5","4","5","5","1") = "5"
    & skf21("4","6","5","5","4","5","6","1") = "5"
    & skf21("4","6","5","5","4","5","7","1") = "6"
    & skf21("4","6","5","5","4","6","1","1") = "5"
    & skf21("4","6","5","5","4","6","2","1") = "5"
    & skf21("4","6","5","5","4","6","3","1") = "5"
    & skf21("4","6","5","5","4","6","4","1") = "5"
    & skf21("4","6","5","5","4","6","5","1") = "5"
    & skf21("4","6","5","5","4","6","6","1") = "5"
    & skf21("4","6","5","5","4","6","7","1") = "6"
    & skf21("4","6","5","5","4","7","1","1") = "6"
    & skf21("4","6","5","5","4","7","2","1") = "6"
    & skf21("4","6","5","5","4","7","3","1") = "6"
    & skf21("4","6","5","5","4","7","4","1") = "6"
    & skf21("4","6","5","5","4","7","5","1") = "6"
    & skf21("4","6","5","5","4","7","6","1") = "6"
    & skf21("4","6","5","5","4","7","7","1") = "6"
    & skf21("4","6","5","5","5","1","1","1") = "5"
    & skf21("4","6","5","5","5","1","2","1") = "5"
    & skf21("4","6","5","5","5","1","3","1") = "5"
    & skf21("4","6","5","5","5","1","4","1") = "5"
    & skf21("4","6","5","5","5","1","5","1") = "5"
    & skf21("4","6","5","5","5","1","6","1") = "5"
    & skf21("4","6","5","5","5","1","7","1") = "6"
    & skf21("4","6","5","5","5","2","1","1") = "5"
    & skf21("4","6","5","5","5","2","2","1") = "5"
    & skf21("4","6","5","5","5","2","3","1") = "5"
    & skf21("4","6","5","5","5","2","4","1") = "5"
    & skf21("4","6","5","5","5","2","5","1") = "5"
    & skf21("4","6","5","5","5","2","6","1") = "5"
    & skf21("4","6","5","5","5","2","7","1") = "6"
    & skf21("4","6","5","5","5","3","1","1") = "5"
    & skf21("4","6","5","5","5","3","2","1") = "5"
    & skf21("4","6","5","5","5","3","3","1") = "5"
    & skf21("4","6","5","5","5","3","4","1") = "5"
    & skf21("4","6","5","5","5","3","5","1") = "5"
    & skf21("4","6","5","5","5","3","6","1") = "5"
    & skf21("4","6","5","5","5","3","7","1") = "6"
    & skf21("4","6","5","5","5","4","1","1") = "5"
    & skf21("4","6","5","5","5","4","2","1") = "5"
    & skf21("4","6","5","5","5","4","3","1") = "5"
    & skf21("4","6","5","5","5","4","4","1") = "5"
    & skf21("4","6","5","5","5","4","5","1") = "5"
    & skf21("4","6","5","5","5","4","6","1") = "5"
    & skf21("4","6","5","5","5","4","7","1") = "6"
    & skf21("4","6","5","5","5","5","1","1") = "5"
    & skf21("4","6","5","5","5","5","2","1") = "5"
    & skf21("4","6","5","5","5","5","3","1") = "5"
    & skf21("4","6","5","5","5","5","4","1") = "5"
    & skf21("4","6","5","5","5","5","5","1") = "5"
    & skf21("4","6","5","5","5","5","6","1") = "5"
    & skf21("4","6","5","5","5","5","7","1") = "6"
    & skf21("4","6","5","5","5","6","1","1") = "5"
    & skf21("4","6","5","5","5","6","2","1") = "5"
    & skf21("4","6","5","5","5","6","3","1") = "5"
    & skf21("4","6","5","5","5","6","4","1") = "5"
    & skf21("4","6","5","5","5","6","5","1") = "5"
    & skf21("4","6","5","5","5","6","6","1") = "5"
    & skf21("4","6","5","5","5","6","7","1") = "6"
    & skf21("4","6","5","5","5","7","1","1") = "6"
    & skf21("4","6","5","5","5","7","2","1") = "6"
    & skf21("4","6","5","5","5","7","3","1") = "6"
    & skf21("4","6","5","5","5","7","4","1") = "6"
    & skf21("4","6","5","5","5","7","5","1") = "6"
    & skf21("4","6","5","5","5","7","6","1") = "6"
    & skf21("4","6","5","5","5","7","7","1") = "6"
    & skf21("4","6","5","5","6","1","1","1") = "5"
    & skf21("4","6","5","5","6","1","2","1") = "5"
    & skf21("4","6","5","5","6","1","3","1") = "5"
    & skf21("4","6","5","5","6","1","4","1") = "5"
    & skf21("4","6","5","5","6","1","5","1") = "5"
    & skf21("4","6","5","5","6","1","6","1") = "5"
    & skf21("4","6","5","5","6","1","7","1") = "6"
    & skf21("4","6","5","5","6","2","1","1") = "5"
    & skf21("4","6","5","5","6","2","2","1") = "5"
    & skf21("4","6","5","5","6","2","3","1") = "5"
    & skf21("4","6","5","5","6","2","4","1") = "5"
    & skf21("4","6","5","5","6","2","5","1") = "5"
    & skf21("4","6","5","5","6","2","6","1") = "5"
    & skf21("4","6","5","5","6","2","7","1") = "6"
    & skf21("4","6","5","5","6","3","1","1") = "5"
    & skf21("4","6","5","5","6","3","2","1") = "5"
    & skf21("4","6","5","5","6","3","3","1") = "5"
    & skf21("4","6","5","5","6","3","4","1") = "5"
    & skf21("4","6","5","5","6","3","5","1") = "5"
    & skf21("4","6","5","5","6","3","6","1") = "5"
    & skf21("4","6","5","5","6","3","7","1") = "6"
    & skf21("4","6","5","5","6","4","1","1") = "5"
    & skf21("4","6","5","5","6","4","2","1") = "5"
    & skf21("4","6","5","5","6","4","3","1") = "5"
    & skf21("4","6","5","5","6","4","4","1") = "5"
    & skf21("4","6","5","5","6","4","5","1") = "5"
    & skf21("4","6","5","5","6","4","6","1") = "5"
    & skf21("4","6","5","5","6","4","7","1") = "6"
    & skf21("4","6","5","5","6","5","1","1") = "5"
    & skf21("4","6","5","5","6","5","2","1") = "5"
    & skf21("4","6","5","5","6","5","3","1") = "5"
    & skf21("4","6","5","5","6","5","4","1") = "5"
    & skf21("4","6","5","5","6","5","5","1") = "5"
    & skf21("4","6","5","5","6","5","6","1") = "5"
    & skf21("4","6","5","5","6","5","7","1") = "6"
    & skf21("4","6","5","5","6","6","1","1") = "5"
    & skf21("4","6","5","5","6","6","2","1") = "5"
    & skf21("4","6","5","5","6","6","3","1") = "5"
    & skf21("4","6","5","5","6","6","4","1") = "5"
    & skf21("4","6","5","5","6","6","5","1") = "5"
    & skf21("4","6","5","5","6","6","6","1") = "5"
    & skf21("4","6","5","5","6","6","7","1") = "6"
    & skf21("4","6","5","5","6","7","1","1") = "6"
    & skf21("4","6","5","5","6","7","2","1") = "6"
    & skf21("4","6","5","5","6","7","3","1") = "6"
    & skf21("4","6","5","5","6","7","4","1") = "6"
    & skf21("4","6","5","5","6","7","5","1") = "6"
    & skf21("4","6","5","5","6","7","6","1") = "6"
    & skf21("4","6","5","5","6","7","7","1") = "6"
    & skf21("4","6","5","5","7","1","1","1") = "6"
    & skf21("4","6","5","5","7","1","2","1") = "6"
    & skf21("4","6","5","5","7","1","3","1") = "6"
    & skf21("4","6","5","5","7","1","4","1") = "6"
    & skf21("4","6","5","5","7","1","5","1") = "6"
    & skf21("4","6","5","5","7","1","6","1") = "6"
    & skf21("4","6","5","5","7","1","7","1") = "6"
    & skf21("4","6","5","5","7","2","1","1") = "6"
    & skf21("4","6","5","5","7","2","2","1") = "6"
    & skf21("4","6","5","5","7","2","3","1") = "6"
    & skf21("4","6","5","5","7","2","4","1") = "6"
    & skf21("4","6","5","5","7","2","5","1") = "6"
    & skf21("4","6","5","5","7","2","6","1") = "6"
    & skf21("4","6","5","5","7","2","7","1") = "6"
    & skf21("4","6","5","5","7","3","1","1") = "6"
    & skf21("4","6","5","5","7","3","2","1") = "6"
    & skf21("4","6","5","5","7","3","3","1") = "6"
    & skf21("4","6","5","5","7","3","4","1") = "6"
    & skf21("4","6","5","5","7","3","5","1") = "6"
    & skf21("4","6","5","5","7","3","6","1") = "6"
    & skf21("4","6","5","5","7","3","7","1") = "6"
    & skf21("4","6","5","5","7","4","1","1") = "6"
    & skf21("4","6","5","5","7","4","2","1") = "6"
    & skf21("4","6","5","5","7","4","3","1") = "6"
    & skf21("4","6","5","5","7","4","4","1") = "6"
    & skf21("4","6","5","5","7","4","5","1") = "6"
    & skf21("4","6","5","5","7","4","6","1") = "6"
    & skf21("4","6","5","5","7","4","7","1") = "6"
    & skf21("4","6","5","5","7","5","1","1") = "6"
    & skf21("4","6","5","5","7","5","2","1") = "6"
    & skf21("4","6","5","5","7","5","3","1") = "6"
    & skf21("4","6","5","5","7","5","4","1") = "6"
    & skf21("4","6","5","5","7","5","5","1") = "6"
    & skf21("4","6","5","5","7","5","6","1") = "6"
    & skf21("4","6","5","5","7","5","7","1") = "6"
    & skf21("4","6","5","5","7","6","1","1") = "6"
    & skf21("4","6","5","5","7","6","2","1") = "6"
    & skf21("4","6","5","5","7","6","3","1") = "6"
    & skf21("4","6","5","5","7","6","4","1") = "6"
    & skf21("4","6","5","5","7","6","5","1") = "6"
    & skf21("4","6","5","5","7","6","6","1") = "6"
    & skf21("4","6","5","5","7","6","7","1") = "6"
    & skf21("4","6","5","5","7","7","1","1") = "6"
    & skf21("4","6","5","5","7","7","2","1") = "6"
    & skf21("4","6","5","5","7","7","3","1") = "6"
    & skf21("4","6","5","5","7","7","4","1") = "6"
    & skf21("4","6","5","5","7","7","5","1") = "6"
    & skf21("4","6","5","5","7","7","6","1") = "6"
    & skf21("4","6","5","5","7","7","7","1") = "6"
    & skf21("4","6","5","6","1","1","1","1") = "5"
    & skf21("4","6","5","6","1","1","2","1") = "5"
    & skf21("4","6","5","6","1","1","3","1") = "5"
    & skf21("4","6","5","6","1","1","4","1") = "5"
    & skf21("4","6","5","6","1","1","5","1") = "5"
    & skf21("4","6","5","6","1","1","6","1") = "5"
    & skf21("4","6","5","6","1","1","7","1") = "6"
    & skf21("4","6","5","6","1","2","1","1") = "5"
    & skf21("4","6","5","6","1","2","2","1") = "5"
    & skf21("4","6","5","6","1","2","3","1") = "5"
    & skf21("4","6","5","6","1","2","4","1") = "5"
    & skf21("4","6","5","6","1","2","5","1") = "5"
    & skf21("4","6","5","6","1","2","6","1") = "5"
    & skf21("4","6","5","6","1","2","7","1") = "6"
    & skf21("4","6","5","6","1","3","1","1") = "5"
    & skf21("4","6","5","6","1","3","2","1") = "5"
    & skf21("4","6","5","6","1","3","3","1") = "5"
    & skf21("4","6","5","6","1","3","4","1") = "5"
    & skf21("4","6","5","6","1","3","5","1") = "5"
    & skf21("4","6","5","6","1","3","6","1") = "5"
    & skf21("4","6","5","6","1","3","7","1") = "6"
    & skf21("4","6","5","6","1","4","1","1") = "5"
    & skf21("4","6","5","6","1","4","2","1") = "5"
    & skf21("4","6","5","6","1","4","3","1") = "5"
    & skf21("4","6","5","6","1","4","4","1") = "5"
    & skf21("4","6","5","6","1","4","5","1") = "5"
    & skf21("4","6","5","6","1","4","6","1") = "5"
    & skf21("4","6","5","6","1","4","7","1") = "6"
    & skf21("4","6","5","6","1","5","1","1") = "5"
    & skf21("4","6","5","6","1","5","2","1") = "5"
    & skf21("4","6","5","6","1","5","3","1") = "5"
    & skf21("4","6","5","6","1","5","4","1") = "5"
    & skf21("4","6","5","6","1","5","5","1") = "5"
    & skf21("4","6","5","6","1","5","6","1") = "5"
    & skf21("4","6","5","6","1","5","7","1") = "6"
    & skf21("4","6","5","6","1","6","1","1") = "5"
    & skf21("4","6","5","6","1","6","2","1") = "5"
    & skf21("4","6","5","6","1","6","3","1") = "5"
    & skf21("4","6","5","6","1","6","4","1") = "5"
    & skf21("4","6","5","6","1","6","5","1") = "5"
    & skf21("4","6","5","6","1","6","6","1") = "5"
    & skf21("4","6","5","6","1","6","7","1") = "6"
    & skf21("4","6","5","6","1","7","1","1") = "6"
    & skf21("4","6","5","6","1","7","2","1") = "6"
    & skf21("4","6","5","6","1","7","3","1") = "6"
    & skf21("4","6","5","6","1","7","4","1") = "6"
    & skf21("4","6","5","6","1","7","5","1") = "6"
    & skf21("4","6","5","6","1","7","6","1") = "6"
    & skf21("4","6","5","6","1","7","7","1") = "6"
    & skf21("4","6","5","6","2","1","1","1") = "5"
    & skf21("4","6","5","6","2","1","2","1") = "5"
    & skf21("4","6","5","6","2","1","3","1") = "5"
    & skf21("4","6","5","6","2","1","4","1") = "5"
    & skf21("4","6","5","6","2","1","5","1") = "5"
    & skf21("4","6","5","6","2","1","6","1") = "5"
    & skf21("4","6","5","6","2","1","7","1") = "6"
    & skf21("4","6","5","6","2","2","1","1") = "5"
    & skf21("4","6","5","6","2","2","2","1") = "5"
    & skf21("4","6","5","6","2","2","3","1") = "5"
    & skf21("4","6","5","6","2","2","4","1") = "5"
    & skf21("4","6","5","6","2","2","5","1") = "5"
    & skf21("4","6","5","6","2","2","6","1") = "5"
    & skf21("4","6","5","6","2","2","7","1") = "6"
    & skf21("4","6","5","6","2","3","1","1") = "5"
    & skf21("4","6","5","6","2","3","2","1") = "5"
    & skf21("4","6","5","6","2","3","3","1") = "5"
    & skf21("4","6","5","6","2","3","4","1") = "5"
    & skf21("4","6","5","6","2","3","5","1") = "5"
    & skf21("4","6","5","6","2","3","6","1") = "5"
    & skf21("4","6","5","6","2","3","7","1") = "6"
    & skf21("4","6","5","6","2","4","1","1") = "5"
    & skf21("4","6","5","6","2","4","2","1") = "5"
    & skf21("4","6","5","6","2","4","3","1") = "5"
    & skf21("4","6","5","6","2","4","4","1") = "5"
    & skf21("4","6","5","6","2","4","5","1") = "5"
    & skf21("4","6","5","6","2","4","6","1") = "5"
    & skf21("4","6","5","6","2","4","7","1") = "6"
    & skf21("4","6","5","6","2","5","1","1") = "5"
    & skf21("4","6","5","6","2","5","2","1") = "5"
    & skf21("4","6","5","6","2","5","3","1") = "5"
    & skf21("4","6","5","6","2","5","4","1") = "5"
    & skf21("4","6","5","6","2","5","5","1") = "5"
    & skf21("4","6","5","6","2","5","6","1") = "5"
    & skf21("4","6","5","6","2","5","7","1") = "6"
    & skf21("4","6","5","6","2","6","1","1") = "5"
    & skf21("4","6","5","6","2","6","2","1") = "5"
    & skf21("4","6","5","6","2","6","3","1") = "5"
    & skf21("4","6","5","6","2","6","4","1") = "5"
    & skf21("4","6","5","6","2","6","5","1") = "5"
    & skf21("4","6","5","6","2","6","6","1") = "5"
    & skf21("4","6","5","6","2","6","7","1") = "6"
    & skf21("4","6","5","6","2","7","1","1") = "6"
    & skf21("4","6","5","6","2","7","2","1") = "6"
    & skf21("4","6","5","6","2","7","3","1") = "6"
    & skf21("4","6","5","6","2","7","4","1") = "6"
    & skf21("4","6","5","6","2","7","5","1") = "6"
    & skf21("4","6","5","6","2","7","6","1") = "6"
    & skf21("4","6","5","6","2","7","7","1") = "6"
    & skf21("4","6","5","6","3","1","1","1") = "5"
    & skf21("4","6","5","6","3","1","2","1") = "5"
    & skf21("4","6","5","6","3","1","3","1") = "5"
    & skf21("4","6","5","6","3","1","4","1") = "5"
    & skf21("4","6","5","6","3","1","5","1") = "5"
    & skf21("4","6","5","6","3","1","6","1") = "5"
    & skf21("4","6","5","6","3","1","7","1") = "6"
    & skf21("4","6","5","6","3","2","1","1") = "5"
    & skf21("4","6","5","6","3","2","2","1") = "5"
    & skf21("4","6","5","6","3","2","3","1") = "5"
    & skf21("4","6","5","6","3","2","4","1") = "5"
    & skf21("4","6","5","6","3","2","5","1") = "5"
    & skf21("4","6","5","6","3","2","6","1") = "5"
    & skf21("4","6","5","6","3","2","7","1") = "6"
    & skf21("4","6","5","6","3","3","1","1") = "5"
    & skf21("4","6","5","6","3","3","2","1") = "5"
    & skf21("4","6","5","6","3","3","3","1") = "5"
    & skf21("4","6","5","6","3","3","4","1") = "5"
    & skf21("4","6","5","6","3","3","5","1") = "5"
    & skf21("4","6","5","6","3","3","6","1") = "5"
    & skf21("4","6","5","6","3","3","7","1") = "6"
    & skf21("4","6","5","6","3","4","1","1") = "5"
    & skf21("4","6","5","6","3","4","2","1") = "5"
    & skf21("4","6","5","6","3","4","3","1") = "5"
    & skf21("4","6","5","6","3","4","4","1") = "5"
    & skf21("4","6","5","6","3","4","5","1") = "5"
    & skf21("4","6","5","6","3","4","6","1") = "5"
    & skf21("4","6","5","6","3","4","7","1") = "6"
    & skf21("4","6","5","6","3","5","1","1") = "5"
    & skf21("4","6","5","6","3","5","2","1") = "5"
    & skf21("4","6","5","6","3","5","3","1") = "5"
    & skf21("4","6","5","6","3","5","4","1") = "5"
    & skf21("4","6","5","6","3","5","5","1") = "5"
    & skf21("4","6","5","6","3","5","6","1") = "5"
    & skf21("4","6","5","6","3","5","7","1") = "6"
    & skf21("4","6","5","6","3","6","1","1") = "5"
    & skf21("4","6","5","6","3","6","2","1") = "5"
    & skf21("4","6","5","6","3","6","3","1") = "5"
    & skf21("4","6","5","6","3","6","4","1") = "5"
    & skf21("4","6","5","6","3","6","5","1") = "5"
    & skf21("4","6","5","6","3","6","6","1") = "5"
    & skf21("4","6","5","6","3","6","7","1") = "6"
    & skf21("4","6","5","6","3","7","1","1") = "6"
    & skf21("4","6","5","6","3","7","2","1") = "6"
    & skf21("4","6","5","6","3","7","3","1") = "6"
    & skf21("4","6","5","6","3","7","4","1") = "6"
    & skf21("4","6","5","6","3","7","5","1") = "6"
    & skf21("4","6","5","6","3","7","6","1") = "6"
    & skf21("4","6","5","6","3","7","7","1") = "6"
    & skf21("4","6","5","6","4","1","1","1") = "5"
    & skf21("4","6","5","6","4","1","2","1") = "5"
    & skf21("4","6","5","6","4","1","3","1") = "5"
    & skf21("4","6","5","6","4","1","4","1") = "5"
    & skf21("4","6","5","6","4","1","5","1") = "5"
    & skf21("4","6","5","6","4","1","6","1") = "5"
    & skf21("4","6","5","6","4","1","7","1") = "6"
    & skf21("4","6","5","6","4","2","1","1") = "5"
    & skf21("4","6","5","6","4","2","2","1") = "5"
    & skf21("4","6","5","6","4","2","3","1") = "5"
    & skf21("4","6","5","6","4","2","4","1") = "5"
    & skf21("4","6","5","6","4","2","5","1") = "5"
    & skf21("4","6","5","6","4","2","6","1") = "5"
    & skf21("4","6","5","6","4","2","7","1") = "6"
    & skf21("4","6","5","6","4","3","1","1") = "5"
    & skf21("4","6","5","6","4","3","2","1") = "5"
    & skf21("4","6","5","6","4","3","3","1") = "5"
    & skf21("4","6","5","6","4","3","4","1") = "5"
    & skf21("4","6","5","6","4","3","5","1") = "5"
    & skf21("4","6","5","6","4","3","6","1") = "5"
    & skf21("4","6","5","6","4","3","7","1") = "6"
    & skf21("4","6","5","6","4","4","1","1") = "5"
    & skf21("4","6","5","6","4","4","2","1") = "5"
    & skf21("4","6","5","6","4","4","3","1") = "5"
    & skf21("4","6","5","6","4","4","4","1") = "5"
    & skf21("4","6","5","6","4","4","5","1") = "5"
    & skf21("4","6","5","6","4","4","6","1") = "5"
    & skf21("4","6","5","6","4","4","7","1") = "6"
    & skf21("4","6","5","6","4","5","1","1") = "5"
    & skf21("4","6","5","6","4","5","2","1") = "5"
    & skf21("4","6","5","6","4","5","3","1") = "5"
    & skf21("4","6","5","6","4","5","4","1") = "5"
    & skf21("4","6","5","6","4","5","5","1") = "5"
    & skf21("4","6","5","6","4","5","6","1") = "5"
    & skf21("4","6","5","6","4","5","7","1") = "6"
    & skf21("4","6","5","6","4","6","1","1") = "5"
    & skf21("4","6","5","6","4","6","2","1") = "5"
    & skf21("4","6","5","6","4","6","3","1") = "5"
    & skf21("4","6","5","6","4","6","4","1") = "5"
    & skf21("4","6","5","6","4","6","5","1") = "5"
    & skf21("4","6","5","6","4","6","6","1") = "5"
    & skf21("4","6","5","6","4","6","7","1") = "6"
    & skf21("4","6","5","6","4","7","1","1") = "6"
    & skf21("4","6","5","6","4","7","2","1") = "6"
    & skf21("4","6","5","6","4","7","3","1") = "6"
    & skf21("4","6","5","6","4","7","4","1") = "6"
    & skf21("4","6","5","6","4","7","5","1") = "6"
    & skf21("4","6","5","6","4","7","6","1") = "6"
    & skf21("4","6","5","6","4","7","7","1") = "6"
    & skf21("4","6","5","6","5","1","1","1") = "5"
    & skf21("4","6","5","6","5","1","2","1") = "5"
    & skf21("4","6","5","6","5","1","3","1") = "5"
    & skf21("4","6","5","6","5","1","4","1") = "5"
    & skf21("4","6","5","6","5","1","5","1") = "5"
    & skf21("4","6","5","6","5","1","6","1") = "5"
    & skf21("4","6","5","6","5","1","7","1") = "6"
    & skf21("4","6","5","6","5","2","1","1") = "5"
    & skf21("4","6","5","6","5","2","2","1") = "5"
    & skf21("4","6","5","6","5","2","3","1") = "5"
    & skf21("4","6","5","6","5","2","4","1") = "5"
    & skf21("4","6","5","6","5","2","5","1") = "5"
    & skf21("4","6","5","6","5","2","6","1") = "5"
    & skf21("4","6","5","6","5","2","7","1") = "6"
    & skf21("4","6","5","6","5","3","1","1") = "5"
    & skf21("4","6","5","6","5","3","2","1") = "5"
    & skf21("4","6","5","6","5","3","3","1") = "5"
    & skf21("4","6","5","6","5","3","4","1") = "5"
    & skf21("4","6","5","6","5","3","5","1") = "5"
    & skf21("4","6","5","6","5","3","6","1") = "5"
    & skf21("4","6","5","6","5","3","7","1") = "6"
    & skf21("4","6","5","6","5","4","1","1") = "5"
    & skf21("4","6","5","6","5","4","2","1") = "5"
    & skf21("4","6","5","6","5","4","3","1") = "5"
    & skf21("4","6","5","6","5","4","4","1") = "5"
    & skf21("4","6","5","6","5","4","5","1") = "5"
    & skf21("4","6","5","6","5","4","6","1") = "5"
    & skf21("4","6","5","6","5","4","7","1") = "6"
    & skf21("4","6","5","6","5","5","1","1") = "5"
    & skf21("4","6","5","6","5","5","2","1") = "5"
    & skf21("4","6","5","6","5","5","3","1") = "5"
    & skf21("4","6","5","6","5","5","4","1") = "5"
    & skf21("4","6","5","6","5","5","5","1") = "5"
    & skf21("4","6","5","6","5","5","6","1") = "5"
    & skf21("4","6","5","6","5","5","7","1") = "6"
    & skf21("4","6","5","6","5","6","1","1") = "5"
    & skf21("4","6","5","6","5","6","2","1") = "5"
    & skf21("4","6","5","6","5","6","3","1") = "5"
    & skf21("4","6","5","6","5","6","4","1") = "5"
    & skf21("4","6","5","6","5","6","5","1") = "5"
    & skf21("4","6","5","6","5","6","6","1") = "5"
    & skf21("4","6","5","6","5","6","7","1") = "6"
    & skf21("4","6","5","6","5","7","1","1") = "6"
    & skf21("4","6","5","6","5","7","2","1") = "6"
    & skf21("4","6","5","6","5","7","3","1") = "6"
    & skf21("4","6","5","6","5","7","4","1") = "6"
    & skf21("4","6","5","6","5","7","5","1") = "6"
    & skf21("4","6","5","6","5","7","6","1") = "6"
    & skf21("4","6","5","6","5","7","7","1") = "6"
    & skf21("4","6","5","6","6","1","1","1") = "5"
    & skf21("4","6","5","6","6","1","2","1") = "5"
    & skf21("4","6","5","6","6","1","3","1") = "5"
    & skf21("4","6","5","6","6","1","4","1") = "5"
    & skf21("4","6","5","6","6","1","5","1") = "5"
    & skf21("4","6","5","6","6","1","6","1") = "5"
    & skf21("4","6","5","6","6","1","7","1") = "6"
    & skf21("4","6","5","6","6","2","1","1") = "5"
    & skf21("4","6","5","6","6","2","2","1") = "5"
    & skf21("4","6","5","6","6","2","3","1") = "5"
    & skf21("4","6","5","6","6","2","4","1") = "5"
    & skf21("4","6","5","6","6","2","5","1") = "5"
    & skf21("4","6","5","6","6","2","6","1") = "5"
    & skf21("4","6","5","6","6","2","7","1") = "6"
    & skf21("4","6","5","6","6","3","1","1") = "5"
    & skf21("4","6","5","6","6","3","2","1") = "5"
    & skf21("4","6","5","6","6","3","3","1") = "5"
    & skf21("4","6","5","6","6","3","4","1") = "5"
    & skf21("4","6","5","6","6","3","5","1") = "5"
    & skf21("4","6","5","6","6","3","6","1") = "5"
    & skf21("4","6","5","6","6","3","7","1") = "6"
    & skf21("4","6","5","6","6","4","1","1") = "5"
    & skf21("4","6","5","6","6","4","2","1") = "5"
    & skf21("4","6","5","6","6","4","3","1") = "5"
    & skf21("4","6","5","6","6","4","4","1") = "5"
    & skf21("4","6","5","6","6","4","5","1") = "5"
    & skf21("4","6","5","6","6","4","6","1") = "5"
    & skf21("4","6","5","6","6","4","7","1") = "6"
    & skf21("4","6","5","6","6","5","1","1") = "5"
    & skf21("4","6","5","6","6","5","2","1") = "5"
    & skf21("4","6","5","6","6","5","3","1") = "5"
    & skf21("4","6","5","6","6","5","4","1") = "5"
    & skf21("4","6","5","6","6","5","5","1") = "5"
    & skf21("4","6","5","6","6","5","6","1") = "5"
    & skf21("4","6","5","6","6","5","7","1") = "6"
    & skf21("4","6","5","6","6","6","1","1") = "5"
    & skf21("4","6","5","6","6","6","2","1") = "5"
    & skf21("4","6","5","6","6","6","3","1") = "5"
    & skf21("4","6","5","6","6","6","4","1") = "5"
    & skf21("4","6","5","6","6","6","5","1") = "5"
    & skf21("4","6","5","6","6","6","6","1") = "5"
    & skf21("4","6","5","6","6","6","7","1") = "6"
    & skf21("4","6","5","6","6","7","1","1") = "6"
    & skf21("4","6","5","6","6","7","2","1") = "6"
    & skf21("4","6","5","6","6","7","3","1") = "6"
    & skf21("4","6","5","6","6","7","4","1") = "6"
    & skf21("4","6","5","6","6","7","5","1") = "6"
    & skf21("4","6","5","6","6","7","6","1") = "6"
    & skf21("4","6","5","6","6","7","7","1") = "6"
    & skf21("4","6","5","6","7","1","1","1") = "6"
    & skf21("4","6","5","6","7","1","2","1") = "6"
    & skf21("4","6","5","6","7","1","3","1") = "6"
    & skf21("4","6","5","6","7","1","4","1") = "6"
    & skf21("4","6","5","6","7","1","5","1") = "6"
    & skf21("4","6","5","6","7","1","6","1") = "6"
    & skf21("4","6","5","6","7","1","7","1") = "6"
    & skf21("4","6","5","6","7","2","1","1") = "6"
    & skf21("4","6","5","6","7","2","2","1") = "6"
    & skf21("4","6","5","6","7","2","3","1") = "6"
    & skf21("4","6","5","6","7","2","4","1") = "6"
    & skf21("4","6","5","6","7","2","5","1") = "6"
    & skf21("4","6","5","6","7","2","6","1") = "6"
    & skf21("4","6","5","6","7","2","7","1") = "6"
    & skf21("4","6","5","6","7","3","1","1") = "6"
    & skf21("4","6","5","6","7","3","2","1") = "6"
    & skf21("4","6","5","6","7","3","3","1") = "6"
    & skf21("4","6","5","6","7","3","4","1") = "6"
    & skf21("4","6","5","6","7","3","5","1") = "6"
    & skf21("4","6","5","6","7","3","6","1") = "6"
    & skf21("4","6","5","6","7","3","7","1") = "6"
    & skf21("4","6","5","6","7","4","1","1") = "6"
    & skf21("4","6","5","6","7","4","2","1") = "6"
    & skf21("4","6","5","6","7","4","3","1") = "6"
    & skf21("4","6","5","6","7","4","4","1") = "6"
    & skf21("4","6","5","6","7","4","5","1") = "6"
    & skf21("4","6","5","6","7","4","6","1") = "6"
    & skf21("4","6","5","6","7","4","7","1") = "6"
    & skf21("4","6","5","6","7","5","1","1") = "6"
    & skf21("4","6","5","6","7","5","2","1") = "6"
    & skf21("4","6","5","6","7","5","3","1") = "6"
    & skf21("4","6","5","6","7","5","4","1") = "6"
    & skf21("4","6","5","6","7","5","5","1") = "6"
    & skf21("4","6","5","6","7","5","6","1") = "6"
    & skf21("4","6","5","6","7","5","7","1") = "6"
    & skf21("4","6","5","6","7","6","1","1") = "6"
    & skf21("4","6","5","6","7","6","2","1") = "6"
    & skf21("4","6","5","6","7","6","3","1") = "6"
    & skf21("4","6","5","6","7","6","4","1") = "6"
    & skf21("4","6","5","6","7","6","5","1") = "6"
    & skf21("4","6","5","6","7","6","6","1") = "6"
    & skf21("4","6","5","6","7","6","7","1") = "6"
    & skf21("4","6","5","6","7","7","1","1") = "6"
    & skf21("4","6","5","6","7","7","2","1") = "6"
    & skf21("4","6","5","6","7","7","3","1") = "6"
    & skf21("4","6","5","6","7","7","4","1") = "6"
    & skf21("4","6","5","6","7","7","5","1") = "6"
    & skf21("4","6","5","6","7","7","6","1") = "6"
    & skf21("4","6","5","6","7","7","7","1") = "6"
    & skf21("4","6","5","7","1","1","1","1") = "6"
    & skf21("4","6","5","7","1","1","2","1") = "6"
    & skf21("4","6","5","7","1","1","3","1") = "6"
    & skf21("4","6","5","7","1","1","4","1") = "6"
    & skf21("4","6","5","7","1","1","5","1") = "6"
    & skf21("4","6","5","7","1","1","6","1") = "6"
    & skf21("4","6","5","7","1","1","7","1") = "6"
    & skf21("4","6","5","7","1","2","1","1") = "6"
    & skf21("4","6","5","7","1","2","2","1") = "6"
    & skf21("4","6","5","7","1","2","3","1") = "6"
    & skf21("4","6","5","7","1","2","4","1") = "6"
    & skf21("4","6","5","7","1","2","5","1") = "6"
    & skf21("4","6","5","7","1","2","6","1") = "6"
    & skf21("4","6","5","7","1","2","7","1") = "6"
    & skf21("4","6","5","7","1","3","1","1") = "6"
    & skf21("4","6","5","7","1","3","2","1") = "6"
    & skf21("4","6","5","7","1","3","3","1") = "6"
    & skf21("4","6","5","7","1","3","4","1") = "6"
    & skf21("4","6","5","7","1","3","5","1") = "6"
    & skf21("4","6","5","7","1","3","6","1") = "6"
    & skf21("4","6","5","7","1","3","7","1") = "6"
    & skf21("4","6","5","7","1","4","1","1") = "6"
    & skf21("4","6","5","7","1","4","2","1") = "6"
    & skf21("4","6","5","7","1","4","3","1") = "6"
    & skf21("4","6","5","7","1","4","4","1") = "6"
    & skf21("4","6","5","7","1","4","5","1") = "6"
    & skf21("4","6","5","7","1","4","6","1") = "6"
    & skf21("4","6","5","7","1","4","7","1") = "6"
    & skf21("4","6","5","7","1","5","1","1") = "6"
    & skf21("4","6","5","7","1","5","2","1") = "6"
    & skf21("4","6","5","7","1","5","3","1") = "6"
    & skf21("4","6","5","7","1","5","4","1") = "6"
    & skf21("4","6","5","7","1","5","5","1") = "6"
    & skf21("4","6","5","7","1","5","6","1") = "6"
    & skf21("4","6","5","7","1","5","7","1") = "6"
    & skf21("4","6","5","7","1","6","1","1") = "6"
    & skf21("4","6","5","7","1","6","2","1") = "6"
    & skf21("4","6","5","7","1","6","3","1") = "6"
    & skf21("4","6","5","7","1","6","4","1") = "6"
    & skf21("4","6","5","7","1","6","5","1") = "6"
    & skf21("4","6","5","7","1","6","6","1") = "6"
    & skf21("4","6","5","7","1","6","7","1") = "6"
    & skf21("4","6","5","7","1","7","1","1") = "6"
    & skf21("4","6","5","7","1","7","2","1") = "6"
    & skf21("4","6","5","7","1","7","3","1") = "6"
    & skf21("4","6","5","7","1","7","4","1") = "6"
    & skf21("4","6","5","7","1","7","5","1") = "6"
    & skf21("4","6","5","7","1","7","6","1") = "6"
    & skf21("4","6","5","7","1","7","7","1") = "6"
    & skf21("4","6","5","7","2","1","1","1") = "6"
    & skf21("4","6","5","7","2","1","2","1") = "6"
    & skf21("4","6","5","7","2","1","3","1") = "6"
    & skf21("4","6","5","7","2","1","4","1") = "6"
    & skf21("4","6","5","7","2","1","5","1") = "6"
    & skf21("4","6","5","7","2","1","6","1") = "6"
    & skf21("4","6","5","7","2","1","7","1") = "6"
    & skf21("4","6","5","7","2","2","1","1") = "6"
    & skf21("4","6","5","7","2","2","2","1") = "6"
    & skf21("4","6","5","7","2","2","3","1") = "6"
    & skf21("4","6","5","7","2","2","4","1") = "6"
    & skf21("4","6","5","7","2","2","5","1") = "6"
    & skf21("4","6","5","7","2","2","6","1") = "6"
    & skf21("4","6","5","7","2","2","7","1") = "6"
    & skf21("4","6","5","7","2","3","1","1") = "6"
    & skf21("4","6","5","7","2","3","2","1") = "6"
    & skf21("4","6","5","7","2","3","3","1") = "6"
    & skf21("4","6","5","7","2","3","4","1") = "6"
    & skf21("4","6","5","7","2","3","5","1") = "6"
    & skf21("4","6","5","7","2","3","6","1") = "6"
    & skf21("4","6","5","7","2","3","7","1") = "6"
    & skf21("4","6","5","7","2","4","1","1") = "6"
    & skf21("4","6","5","7","2","4","2","1") = "6"
    & skf21("4","6","5","7","2","4","3","1") = "6"
    & skf21("4","6","5","7","2","4","4","1") = "6"
    & skf21("4","6","5","7","2","4","5","1") = "6"
    & skf21("4","6","5","7","2","4","6","1") = "6"
    & skf21("4","6","5","7","2","4","7","1") = "6"
    & skf21("4","6","5","7","2","5","1","1") = "6"
    & skf21("4","6","5","7","2","5","2","1") = "6"
    & skf21("4","6","5","7","2","5","3","1") = "6"
    & skf21("4","6","5","7","2","5","4","1") = "6"
    & skf21("4","6","5","7","2","5","5","1") = "6"
    & skf21("4","6","5","7","2","5","6","1") = "6"
    & skf21("4","6","5","7","2","5","7","1") = "6"
    & skf21("4","6","5","7","2","6","1","1") = "6"
    & skf21("4","6","5","7","2","6","2","1") = "6"
    & skf21("4","6","5","7","2","6","3","1") = "6"
    & skf21("4","6","5","7","2","6","4","1") = "6"
    & skf21("4","6","5","7","2","6","5","1") = "6"
    & skf21("4","6","5","7","2","6","6","1") = "6"
    & skf21("4","6","5","7","2","6","7","1") = "6"
    & skf21("4","6","5","7","2","7","1","1") = "6"
    & skf21("4","6","5","7","2","7","2","1") = "6"
    & skf21("4","6","5","7","2","7","3","1") = "6"
    & skf21("4","6","5","7","2","7","4","1") = "6"
    & skf21("4","6","5","7","2","7","5","1") = "6"
    & skf21("4","6","5","7","2","7","6","1") = "6"
    & skf21("4","6","5","7","2","7","7","1") = "6"
    & skf21("4","6","5","7","3","1","1","1") = "6"
    & skf21("4","6","5","7","3","1","2","1") = "6"
    & skf21("4","6","5","7","3","1","3","1") = "6"
    & skf21("4","6","5","7","3","1","4","1") = "6"
    & skf21("4","6","5","7","3","1","5","1") = "6"
    & skf21("4","6","5","7","3","1","6","1") = "6"
    & skf21("4","6","5","7","3","1","7","1") = "6"
    & skf21("4","6","5","7","3","2","1","1") = "6"
    & skf21("4","6","5","7","3","2","2","1") = "6"
    & skf21("4","6","5","7","3","2","3","1") = "6"
    & skf21("4","6","5","7","3","2","4","1") = "6"
    & skf21("4","6","5","7","3","2","5","1") = "6"
    & skf21("4","6","5","7","3","2","6","1") = "6"
    & skf21("4","6","5","7","3","2","7","1") = "6"
    & skf21("4","6","5","7","3","3","1","1") = "6"
    & skf21("4","6","5","7","3","3","2","1") = "6"
    & skf21("4","6","5","7","3","3","3","1") = "6"
    & skf21("4","6","5","7","3","3","4","1") = "6"
    & skf21("4","6","5","7","3","3","5","1") = "6"
    & skf21("4","6","5","7","3","3","6","1") = "6"
    & skf21("4","6","5","7","3","3","7","1") = "6"
    & skf21("4","6","5","7","3","4","1","1") = "6"
    & skf21("4","6","5","7","3","4","2","1") = "6"
    & skf21("4","6","5","7","3","4","3","1") = "6"
    & skf21("4","6","5","7","3","4","4","1") = "6"
    & skf21("4","6","5","7","3","4","5","1") = "6"
    & skf21("4","6","5","7","3","4","6","1") = "6"
    & skf21("4","6","5","7","3","4","7","1") = "6"
    & skf21("4","6","5","7","3","5","1","1") = "6"
    & skf21("4","6","5","7","3","5","2","1") = "6"
    & skf21("4","6","5","7","3","5","3","1") = "6"
    & skf21("4","6","5","7","3","5","4","1") = "6"
    & skf21("4","6","5","7","3","5","5","1") = "6"
    & skf21("4","6","5","7","3","5","6","1") = "6"
    & skf21("4","6","5","7","3","5","7","1") = "6"
    & skf21("4","6","5","7","3","6","1","1") = "6"
    & skf21("4","6","5","7","3","6","2","1") = "6"
    & skf21("4","6","5","7","3","6","3","1") = "6"
    & skf21("4","6","5","7","3","6","4","1") = "6"
    & skf21("4","6","5","7","3","6","5","1") = "6"
    & skf21("4","6","5","7","3","6","6","1") = "6"
    & skf21("4","6","5","7","3","6","7","1") = "6"
    & skf21("4","6","5","7","3","7","1","1") = "6"
    & skf21("4","6","5","7","3","7","2","1") = "6"
    & skf21("4","6","5","7","3","7","3","1") = "6"
    & skf21("4","6","5","7","3","7","4","1") = "6"
    & skf21("4","6","5","7","3","7","5","1") = "6"
    & skf21("4","6","5","7","3","7","6","1") = "6"
    & skf21("4","6","5","7","3","7","7","1") = "6"
    & skf21("4","6","5","7","4","1","1","1") = "6"
    & skf21("4","6","5","7","4","1","2","1") = "6"
    & skf21("4","6","5","7","4","1","3","1") = "6"
    & skf21("4","6","5","7","4","1","4","1") = "6"
    & skf21("4","6","5","7","4","1","5","1") = "6"
    & skf21("4","6","5","7","4","1","6","1") = "6"
    & skf21("4","6","5","7","4","1","7","1") = "6"
    & skf21("4","6","5","7","4","2","1","1") = "6"
    & skf21("4","6","5","7","4","2","2","1") = "6"
    & skf21("4","6","5","7","4","2","3","1") = "6"
    & skf21("4","6","5","7","4","2","4","1") = "6"
    & skf21("4","6","5","7","4","2","5","1") = "6"
    & skf21("4","6","5","7","4","2","6","1") = "6"
    & skf21("4","6","5","7","4","2","7","1") = "6"
    & skf21("4","6","5","7","4","3","1","1") = "6"
    & skf21("4","6","5","7","4","3","2","1") = "6"
    & skf21("4","6","5","7","4","3","3","1") = "6"
    & skf21("4","6","5","7","4","3","4","1") = "6"
    & skf21("4","6","5","7","4","3","5","1") = "6"
    & skf21("4","6","5","7","4","3","6","1") = "6"
    & skf21("4","6","5","7","4","3","7","1") = "6"
    & skf21("4","6","5","7","4","4","1","1") = "6"
    & skf21("4","6","5","7","4","4","2","1") = "6"
    & skf21("4","6","5","7","4","4","3","1") = "6"
    & skf21("4","6","5","7","4","4","4","1") = "6"
    & skf21("4","6","5","7","4","4","5","1") = "6"
    & skf21("4","6","5","7","4","4","6","1") = "6"
    & skf21("4","6","5","7","4","4","7","1") = "6"
    & skf21("4","6","5","7","4","5","1","1") = "6"
    & skf21("4","6","5","7","4","5","2","1") = "6"
    & skf21("4","6","5","7","4","5","3","1") = "6"
    & skf21("4","6","5","7","4","5","4","1") = "6"
    & skf21("4","6","5","7","4","5","5","1") = "6"
    & skf21("4","6","5","7","4","5","6","1") = "6"
    & skf21("4","6","5","7","4","5","7","1") = "6"
    & skf21("4","6","5","7","4","6","1","1") = "6"
    & skf21("4","6","5","7","4","6","2","1") = "6"
    & skf21("4","6","5","7","4","6","3","1") = "6"
    & skf21("4","6","5","7","4","6","4","1") = "6"
    & skf21("4","6","5","7","4","6","5","1") = "6"
    & skf21("4","6","5","7","4","6","6","1") = "6"
    & skf21("4","6","5","7","4","6","7","1") = "6"
    & skf21("4","6","5","7","4","7","1","1") = "6"
    & skf21("4","6","5","7","4","7","2","1") = "6"
    & skf21("4","6","5","7","4","7","3","1") = "6"
    & skf21("4","6","5","7","4","7","4","1") = "6"
    & skf21("4","6","5","7","4","7","5","1") = "6"
    & skf21("4","6","5","7","4","7","6","1") = "6"
    & skf21("4","6","5","7","4","7","7","1") = "6"
    & skf21("4","6","5","7","5","1","1","1") = "6"
    & skf21("4","6","5","7","5","1","2","1") = "6"
    & skf21("4","6","5","7","5","1","3","1") = "6"
    & skf21("4","6","5","7","5","1","4","1") = "6"
    & skf21("4","6","5","7","5","1","5","1") = "6"
    & skf21("4","6","5","7","5","1","6","1") = "6"
    & skf21("4","6","5","7","5","1","7","1") = "6"
    & skf21("4","6","5","7","5","2","1","1") = "6"
    & skf21("4","6","5","7","5","2","2","1") = "6"
    & skf21("4","6","5","7","5","2","3","1") = "6"
    & skf21("4","6","5","7","5","2","4","1") = "6"
    & skf21("4","6","5","7","5","2","5","1") = "6"
    & skf21("4","6","5","7","5","2","6","1") = "6"
    & skf21("4","6","5","7","5","2","7","1") = "6"
    & skf21("4","6","5","7","5","3","1","1") = "6"
    & skf21("4","6","5","7","5","3","2","1") = "6"
    & skf21("4","6","5","7","5","3","3","1") = "6"
    & skf21("4","6","5","7","5","3","4","1") = "6"
    & skf21("4","6","5","7","5","3","5","1") = "6"
    & skf21("4","6","5","7","5","3","6","1") = "6"
    & skf21("4","6","5","7","5","3","7","1") = "6"
    & skf21("4","6","5","7","5","4","1","1") = "6"
    & skf21("4","6","5","7","5","4","2","1") = "6"
    & skf21("4","6","5","7","5","4","3","1") = "6"
    & skf21("4","6","5","7","5","4","4","1") = "6"
    & skf21("4","6","5","7","5","4","5","1") = "6"
    & skf21("4","6","5","7","5","4","6","1") = "6"
    & skf21("4","6","5","7","5","4","7","1") = "6"
    & skf21("4","6","5","7","5","5","1","1") = "6"
    & skf21("4","6","5","7","5","5","2","1") = "6"
    & skf21("4","6","5","7","5","5","3","1") = "6"
    & skf21("4","6","5","7","5","5","4","1") = "6"
    & skf21("4","6","5","7","5","5","5","1") = "6"
    & skf21("4","6","5","7","5","5","6","1") = "6"
    & skf21("4","6","5","7","5","5","7","1") = "6"
    & skf21("4","6","5","7","5","6","1","1") = "6"
    & skf21("4","6","5","7","5","6","2","1") = "6"
    & skf21("4","6","5","7","5","6","3","1") = "6"
    & skf21("4","6","5","7","5","6","4","1") = "6"
    & skf21("4","6","5","7","5","6","5","1") = "6"
    & skf21("4","6","5","7","5","6","6","1") = "6"
    & skf21("4","6","5","7","5","6","7","1") = "6"
    & skf21("4","6","5","7","5","7","1","1") = "6"
    & skf21("4","6","5","7","5","7","2","1") = "6"
    & skf21("4","6","5","7","5","7","3","1") = "6"
    & skf21("4","6","5","7","5","7","4","1") = "6"
    & skf21("4","6","5","7","5","7","5","1") = "6"
    & skf21("4","6","5","7","5","7","6","1") = "6"
    & skf21("4","6","5","7","5","7","7","1") = "6"
    & skf21("4","6","5","7","6","1","1","1") = "6"
    & skf21("4","6","5","7","6","1","2","1") = "6"
    & skf21("4","6","5","7","6","1","3","1") = "6"
    & skf21("4","6","5","7","6","1","4","1") = "6"
    & skf21("4","6","5","7","6","1","5","1") = "6"
    & skf21("4","6","5","7","6","1","6","1") = "6"
    & skf21("4","6","5","7","6","1","7","1") = "6"
    & skf21("4","6","5","7","6","2","1","1") = "6"
    & skf21("4","6","5","7","6","2","2","1") = "6"
    & skf21("4","6","5","7","6","2","3","1") = "6"
    & skf21("4","6","5","7","6","2","4","1") = "6"
    & skf21("4","6","5","7","6","2","5","1") = "6"
    & skf21("4","6","5","7","6","2","6","1") = "6"
    & skf21("4","6","5","7","6","2","7","1") = "6"
    & skf21("4","6","5","7","6","3","1","1") = "6"
    & skf21("4","6","5","7","6","3","2","1") = "6"
    & skf21("4","6","5","7","6","3","3","1") = "6"
    & skf21("4","6","5","7","6","3","4","1") = "6"
    & skf21("4","6","5","7","6","3","5","1") = "6"
    & skf21("4","6","5","7","6","3","6","1") = "6"
    & skf21("4","6","5","7","6","3","7","1") = "6"
    & skf21("4","6","5","7","6","4","1","1") = "6"
    & skf21("4","6","5","7","6","4","2","1") = "6"
    & skf21("4","6","5","7","6","4","3","1") = "6"
    & skf21("4","6","5","7","6","4","4","1") = "6"
    & skf21("4","6","5","7","6","4","5","1") = "6"
    & skf21("4","6","5","7","6","4","6","1") = "6"
    & skf21("4","6","5","7","6","4","7","1") = "6"
    & skf21("4","6","5","7","6","5","1","1") = "6"
    & skf21("4","6","5","7","6","5","2","1") = "6"
    & skf21("4","6","5","7","6","5","3","1") = "6"
    & skf21("4","6","5","7","6","5","4","1") = "6"
    & skf21("4","6","5","7","6","5","5","1") = "6"
    & skf21("4","6","5","7","6","5","6","1") = "6"
    & skf21("4","6","5","7","6","5","7","1") = "6"
    & skf21("4","6","5","7","6","6","1","1") = "6"
    & skf21("4","6","5","7","6","6","2","1") = "6"
    & skf21("4","6","5","7","6","6","3","1") = "6"
    & skf21("4","6","5","7","6","6","4","1") = "6"
    & skf21("4","6","5","7","6","6","5","1") = "6"
    & skf21("4","6","5","7","6","6","6","1") = "6"
    & skf21("4","6","5","7","6","6","7","1") = "6"
    & skf21("4","6","5","7","6","7","1","1") = "6"
    & skf21("4","6","5","7","6","7","2","1") = "6"
    & skf21("4","6","5","7","6","7","3","1") = "6"
    & skf21("4","6","5","7","6","7","4","1") = "6"
    & skf21("4","6","5","7","6","7","5","1") = "6"
    & skf21("4","6","5","7","6","7","6","1") = "6"
    & skf21("4","6","5","7","6","7","7","1") = "6"
    & skf21("4","6","5","7","7","1","1","1") = "6"
    & skf21("4","6","5","7","7","1","2","1") = "6"
    & skf21("4","6","5","7","7","1","3","1") = "6"
    & skf21("4","6","5","7","7","1","4","1") = "6"
    & skf21("4","6","5","7","7","1","5","1") = "6"
    & skf21("4","6","5","7","7","1","6","1") = "6"
    & skf21("4","6","5","7","7","1","7","1") = "6"
    & skf21("4","6","5","7","7","2","1","1") = "6"
    & skf21("4","6","5","7","7","2","2","1") = "6"
    & skf21("4","6","5","7","7","2","3","1") = "6"
    & skf21("4","6","5","7","7","2","4","1") = "6"
    & skf21("4","6","5","7","7","2","5","1") = "6"
    & skf21("4","6","5","7","7","2","6","1") = "6"
    & skf21("4","6","5","7","7","2","7","1") = "6"
    & skf21("4","6","5","7","7","3","1","1") = "6"
    & skf21("4","6","5","7","7","3","2","1") = "6"
    & skf21("4","6","5","7","7","3","3","1") = "6"
    & skf21("4","6","5","7","7","3","4","1") = "6"
    & skf21("4","6","5","7","7","3","5","1") = "6"
    & skf21("4","6","5","7","7","3","6","1") = "6"
    & skf21("4","6","5","7","7","3","7","1") = "6"
    & skf21("4","6","5","7","7","4","1","1") = "6"
    & skf21("4","6","5","7","7","4","2","1") = "6"
    & skf21("4","6","5","7","7","4","3","1") = "6"
    & skf21("4","6","5","7","7","4","4","1") = "6"
    & skf21("4","6","5","7","7","4","5","1") = "6"
    & skf21("4","6","5","7","7","4","6","1") = "6"
    & skf21("4","6","5","7","7","4","7","1") = "6"
    & skf21("4","6","5","7","7","5","1","1") = "6"
    & skf21("4","6","5","7","7","5","2","1") = "6"
    & skf21("4","6","5","7","7","5","3","1") = "6"
    & skf21("4","6","5","7","7","5","4","1") = "6"
    & skf21("4","6","5","7","7","5","5","1") = "6"
    & skf21("4","6","5","7","7","5","6","1") = "6"
    & skf21("4","6","5","7","7","5","7","1") = "6"
    & skf21("4","6","5","7","7","6","1","1") = "6"
    & skf21("4","6","5","7","7","6","2","1") = "6"
    & skf21("4","6","5","7","7","6","3","1") = "6"
    & skf21("4","6","5","7","7","6","4","1") = "6"
    & skf21("4","6","5","7","7","6","5","1") = "6"
    & skf21("4","6","5","7","7","6","6","1") = "6"
    & skf21("4","6","5","7","7","6","7","1") = "6"
    & skf21("4","6","5","7","7","7","1","1") = "6"
    & skf21("4","6","5","7","7","7","2","1") = "6"
    & skf21("4","6","5","7","7","7","3","1") = "6"
    & skf21("4","6","5","7","7","7","4","1") = "6"
    & skf21("4","6","5","7","7","7","5","1") = "6"
    & skf21("4","6","5","7","7","7","6","1") = "6"
    & skf21("4","6","5","7","7","7","7","1") = "6"
    & skf21("4","6","6","1","1","1","1","1") = "5"
    & skf21("4","6","6","1","1","1","2","1") = "5"
    & skf21("4","6","6","1","1","1","3","1") = "5"
    & skf21("4","6","6","1","1","1","4","1") = "5"
    & skf21("4","6","6","1","1","1","5","1") = "5"
    & skf21("4","6","6","1","1","1","6","1") = "5"
    & skf21("4","6","6","1","1","1","7","1") = "6"
    & skf21("4","6","6","1","1","2","1","1") = "5"
    & skf21("4","6","6","1","1","2","2","1") = "5"
    & skf21("4","6","6","1","1","2","3","1") = "5"
    & skf21("4","6","6","1","1","2","4","1") = "5"
    & skf21("4","6","6","1","1","2","5","1") = "5"
    & skf21("4","6","6","1","1","2","6","1") = "5"
    & skf21("4","6","6","1","1","2","7","1") = "6"
    & skf21("4","6","6","1","1","3","1","1") = "5"
    & skf21("4","6","6","1","1","3","2","1") = "5"
    & skf21("4","6","6","1","1","3","3","1") = "5"
    & skf21("4","6","6","1","1","3","4","1") = "5"
    & skf21("4","6","6","1","1","3","5","1") = "5"
    & skf21("4","6","6","1","1","3","6","1") = "5"
    & skf21("4","6","6","1","1","3","7","1") = "6"
    & skf21("4","6","6","1","1","4","1","1") = "5"
    & skf21("4","6","6","1","1","4","2","1") = "5"
    & skf21("4","6","6","1","1","4","3","1") = "5"
    & skf21("4","6","6","1","1","4","4","1") = "5"
    & skf21("4","6","6","1","1","4","5","1") = "5"
    & skf21("4","6","6","1","1","4","6","1") = "5"
    & skf21("4","6","6","1","1","4","7","1") = "6"
    & skf21("4","6","6","1","1","5","1","1") = "5"
    & skf21("4","6","6","1","1","5","2","1") = "5"
    & skf21("4","6","6","1","1","5","3","1") = "5"
    & skf21("4","6","6","1","1","5","4","1") = "5"
    & skf21("4","6","6","1","1","5","5","1") = "5"
    & skf21("4","6","6","1","1","5","6","1") = "5"
    & skf21("4","6","6","1","1","5","7","1") = "6"
    & skf21("4","6","6","1","1","6","1","1") = "5"
    & skf21("4","6","6","1","1","6","2","1") = "5"
    & skf21("4","6","6","1","1","6","3","1") = "5"
    & skf21("4","6","6","1","1","6","4","1") = "5"
    & skf21("4","6","6","1","1","6","5","1") = "5"
    & skf21("4","6","6","1","1","6","6","1") = "5"
    & skf21("4","6","6","1","1","6","7","1") = "6"
    & skf21("4","6","6","1","1","7","1","1") = "6"
    & skf21("4","6","6","1","1","7","2","1") = "6"
    & skf21("4","6","6","1","1","7","3","1") = "6"
    & skf21("4","6","6","1","1","7","4","1") = "6"
    & skf21("4","6","6","1","1","7","5","1") = "6"
    & skf21("4","6","6","1","1","7","6","1") = "6"
    & skf21("4","6","6","1","1","7","7","1") = "6"
    & skf21("4","6","6","1","2","1","1","1") = "5"
    & skf21("4","6","6","1","2","1","2","1") = "5"
    & skf21("4","6","6","1","2","1","3","1") = "5"
    & skf21("4","6","6","1","2","1","4","1") = "5"
    & skf21("4","6","6","1","2","1","5","1") = "5"
    & skf21("4","6","6","1","2","1","6","1") = "5"
    & skf21("4","6","6","1","2","1","7","1") = "6"
    & skf21("4","6","6","1","2","2","1","1") = "5"
    & skf21("4","6","6","1","2","2","2","1") = "5"
    & skf21("4","6","6","1","2","2","3","1") = "5"
    & skf21("4","6","6","1","2","2","4","1") = "5"
    & skf21("4","6","6","1","2","2","5","1") = "5"
    & skf21("4","6","6","1","2","2","6","1") = "5"
    & skf21("4","6","6","1","2","2","7","1") = "6"
    & skf21("4","6","6","1","2","3","1","1") = "5"
    & skf21("4","6","6","1","2","3","2","1") = "5"
    & skf21("4","6","6","1","2","3","3","1") = "5"
    & skf21("4","6","6","1","2","3","4","1") = "5"
    & skf21("4","6","6","1","2","3","5","1") = "5"
    & skf21("4","6","6","1","2","3","6","1") = "5"
    & skf21("4","6","6","1","2","3","7","1") = "6"
    & skf21("4","6","6","1","2","4","1","1") = "5"
    & skf21("4","6","6","1","2","4","2","1") = "5"
    & skf21("4","6","6","1","2","4","3","1") = "5"
    & skf21("4","6","6","1","2","4","4","1") = "5"
    & skf21("4","6","6","1","2","4","5","1") = "5"
    & skf21("4","6","6","1","2","4","6","1") = "5"
    & skf21("4","6","6","1","2","4","7","1") = "6"
    & skf21("4","6","6","1","2","5","1","1") = "5"
    & skf21("4","6","6","1","2","5","2","1") = "5"
    & skf21("4","6","6","1","2","5","3","1") = "5"
    & skf21("4","6","6","1","2","5","4","1") = "5"
    & skf21("4","6","6","1","2","5","5","1") = "5"
    & skf21("4","6","6","1","2","5","6","1") = "5"
    & skf21("4","6","6","1","2","5","7","1") = "6"
    & skf21("4","6","6","1","2","6","1","1") = "5"
    & skf21("4","6","6","1","2","6","2","1") = "5"
    & skf21("4","6","6","1","2","6","3","1") = "5"
    & skf21("4","6","6","1","2","6","4","1") = "5"
    & skf21("4","6","6","1","2","6","5","1") = "5"
    & skf21("4","6","6","1","2","6","6","1") = "5"
    & skf21("4","6","6","1","2","6","7","1") = "6"
    & skf21("4","6","6","1","2","7","1","1") = "6"
    & skf21("4","6","6","1","2","7","2","1") = "6"
    & skf21("4","6","6","1","2","7","3","1") = "6"
    & skf21("4","6","6","1","2","7","4","1") = "6"
    & skf21("4","6","6","1","2","7","5","1") = "6"
    & skf21("4","6","6","1","2","7","6","1") = "6"
    & skf21("4","6","6","1","2","7","7","1") = "6"
    & skf21("4","6","6","1","3","1","1","1") = "5"
    & skf21("4","6","6","1","3","1","2","1") = "5"
    & skf21("4","6","6","1","3","1","3","1") = "5"
    & skf21("4","6","6","1","3","1","4","1") = "5"
    & skf21("4","6","6","1","3","1","5","1") = "5"
    & skf21("4","6","6","1","3","1","6","1") = "5"
    & skf21("4","6","6","1","3","1","7","1") = "6"
    & skf21("4","6","6","1","3","2","1","1") = "5"
    & skf21("4","6","6","1","3","2","2","1") = "5"
    & skf21("4","6","6","1","3","2","3","1") = "5"
    & skf21("4","6","6","1","3","2","4","1") = "5"
    & skf21("4","6","6","1","3","2","5","1") = "5"
    & skf21("4","6","6","1","3","2","6","1") = "5"
    & skf21("4","6","6","1","3","2","7","1") = "6"
    & skf21("4","6","6","1","3","3","1","1") = "5"
    & skf21("4","6","6","1","3","3","2","1") = "5"
    & skf21("4","6","6","1","3","3","3","1") = "5"
    & skf21("4","6","6","1","3","3","4","1") = "5"
    & skf21("4","6","6","1","3","3","5","1") = "5"
    & skf21("4","6","6","1","3","3","6","1") = "5"
    & skf21("4","6","6","1","3","3","7","1") = "6"
    & skf21("4","6","6","1","3","4","1","1") = "5"
    & skf21("4","6","6","1","3","4","2","1") = "5"
    & skf21("4","6","6","1","3","4","3","1") = "5"
    & skf21("4","6","6","1","3","4","4","1") = "5"
    & skf21("4","6","6","1","3","4","5","1") = "5"
    & skf21("4","6","6","1","3","4","6","1") = "5"
    & skf21("4","6","6","1","3","4","7","1") = "6"
    & skf21("4","6","6","1","3","5","1","1") = "5"
    & skf21("4","6","6","1","3","5","2","1") = "5"
    & skf21("4","6","6","1","3","5","3","1") = "5"
    & skf21("4","6","6","1","3","5","4","1") = "5"
    & skf21("4","6","6","1","3","5","5","1") = "5"
    & skf21("4","6","6","1","3","5","6","1") = "5"
    & skf21("4","6","6","1","3","5","7","1") = "6"
    & skf21("4","6","6","1","3","6","1","1") = "5"
    & skf21("4","6","6","1","3","6","2","1") = "5"
    & skf21("4","6","6","1","3","6","3","1") = "5"
    & skf21("4","6","6","1","3","6","4","1") = "5"
    & skf21("4","6","6","1","3","6","5","1") = "5"
    & skf21("4","6","6","1","3","6","6","1") = "5"
    & skf21("4","6","6","1","3","6","7","1") = "6"
    & skf21("4","6","6","1","3","7","1","1") = "6"
    & skf21("4","6","6","1","3","7","2","1") = "6"
    & skf21("4","6","6","1","3","7","3","1") = "6"
    & skf21("4","6","6","1","3","7","4","1") = "6"
    & skf21("4","6","6","1","3","7","5","1") = "6"
    & skf21("4","6","6","1","3","7","6","1") = "6"
    & skf21("4","6","6","1","3","7","7","1") = "6"
    & skf21("4","6","6","1","4","1","1","1") = "5"
    & skf21("4","6","6","1","4","1","2","1") = "5"
    & skf21("4","6","6","1","4","1","3","1") = "5"
    & skf21("4","6","6","1","4","1","4","1") = "5"
    & skf21("4","6","6","1","4","1","5","1") = "5"
    & skf21("4","6","6","1","4","1","6","1") = "5"
    & skf21("4","6","6","1","4","1","7","1") = "6"
    & skf21("4","6","6","1","4","2","1","1") = "5"
    & skf21("4","6","6","1","4","2","2","1") = "5"
    & skf21("4","6","6","1","4","2","3","1") = "5"
    & skf21("4","6","6","1","4","2","4","1") = "5"
    & skf21("4","6","6","1","4","2","5","1") = "5"
    & skf21("4","6","6","1","4","2","6","1") = "5"
    & skf21("4","6","6","1","4","2","7","1") = "6"
    & skf21("4","6","6","1","4","3","1","1") = "5"
    & skf21("4","6","6","1","4","3","2","1") = "5"
    & skf21("4","6","6","1","4","3","3","1") = "5"
    & skf21("4","6","6","1","4","3","4","1") = "5"
    & skf21("4","6","6","1","4","3","5","1") = "5"
    & skf21("4","6","6","1","4","3","6","1") = "5"
    & skf21("4","6","6","1","4","3","7","1") = "6"
    & skf21("4","6","6","1","4","4","1","1") = "5"
    & skf21("4","6","6","1","4","4","2","1") = "5"
    & skf21("4","6","6","1","4","4","3","1") = "5"
    & skf21("4","6","6","1","4","4","4","1") = "5"
    & skf21("4","6","6","1","4","4","5","1") = "5"
    & skf21("4","6","6","1","4","4","6","1") = "5"
    & skf21("4","6","6","1","4","4","7","1") = "6"
    & skf21("4","6","6","1","4","5","1","1") = "5"
    & skf21("4","6","6","1","4","5","2","1") = "5"
    & skf21("4","6","6","1","4","5","3","1") = "5"
    & skf21("4","6","6","1","4","5","4","1") = "5"
    & skf21("4","6","6","1","4","5","5","1") = "5"
    & skf21("4","6","6","1","4","5","6","1") = "5"
    & skf21("4","6","6","1","4","5","7","1") = "6"
    & skf21("4","6","6","1","4","6","1","1") = "5"
    & skf21("4","6","6","1","4","6","2","1") = "5"
    & skf21("4","6","6","1","4","6","3","1") = "5"
    & skf21("4","6","6","1","4","6","4","1") = "5"
    & skf21("4","6","6","1","4","6","5","1") = "5"
    & skf21("4","6","6","1","4","6","6","1") = "5"
    & skf21("4","6","6","1","4","6","7","1") = "6"
    & skf21("4","6","6","1","4","7","1","1") = "6"
    & skf21("4","6","6","1","4","7","2","1") = "6"
    & skf21("4","6","6","1","4","7","3","1") = "6"
    & skf21("4","6","6","1","4","7","4","1") = "6"
    & skf21("4","6","6","1","4","7","5","1") = "6"
    & skf21("4","6","6","1","4","7","6","1") = "6"
    & skf21("4","6","6","1","4","7","7","1") = "6"
    & skf21("4","6","6","1","5","1","1","1") = "5"
    & skf21("4","6","6","1","5","1","2","1") = "5"
    & skf21("4","6","6","1","5","1","3","1") = "5"
    & skf21("4","6","6","1","5","1","4","1") = "5"
    & skf21("4","6","6","1","5","1","5","1") = "5"
    & skf21("4","6","6","1","5","1","6","1") = "5"
    & skf21("4","6","6","1","5","1","7","1") = "6"
    & skf21("4","6","6","1","5","2","1","1") = "5"
    & skf21("4","6","6","1","5","2","2","1") = "5"
    & skf21("4","6","6","1","5","2","3","1") = "5"
    & skf21("4","6","6","1","5","2","4","1") = "5"
    & skf21("4","6","6","1","5","2","5","1") = "5"
    & skf21("4","6","6","1","5","2","6","1") = "5"
    & skf21("4","6","6","1","5","2","7","1") = "6"
    & skf21("4","6","6","1","5","3","1","1") = "5"
    & skf21("4","6","6","1","5","3","2","1") = "5"
    & skf21("4","6","6","1","5","3","3","1") = "5"
    & skf21("4","6","6","1","5","3","4","1") = "5"
    & skf21("4","6","6","1","5","3","5","1") = "5"
    & skf21("4","6","6","1","5","3","6","1") = "5"
    & skf21("4","6","6","1","5","3","7","1") = "6"
    & skf21("4","6","6","1","5","4","1","1") = "5"
    & skf21("4","6","6","1","5","4","2","1") = "5"
    & skf21("4","6","6","1","5","4","3","1") = "5"
    & skf21("4","6","6","1","5","4","4","1") = "5"
    & skf21("4","6","6","1","5","4","5","1") = "5"
    & skf21("4","6","6","1","5","4","6","1") = "5"
    & skf21("4","6","6","1","5","4","7","1") = "6"
    & skf21("4","6","6","1","5","5","1","1") = "5"
    & skf21("4","6","6","1","5","5","2","1") = "5"
    & skf21("4","6","6","1","5","5","3","1") = "5"
    & skf21("4","6","6","1","5","5","4","1") = "5"
    & skf21("4","6","6","1","5","5","5","1") = "5"
    & skf21("4","6","6","1","5","5","6","1") = "5"
    & skf21("4","6","6","1","5","5","7","1") = "6"
    & skf21("4","6","6","1","5","6","1","1") = "5"
    & skf21("4","6","6","1","5","6","2","1") = "5"
    & skf21("4","6","6","1","5","6","3","1") = "5"
    & skf21("4","6","6","1","5","6","4","1") = "5"
    & skf21("4","6","6","1","5","6","5","1") = "5"
    & skf21("4","6","6","1","5","6","6","1") = "5"
    & skf21("4","6","6","1","5","6","7","1") = "6"
    & skf21("4","6","6","1","5","7","1","1") = "6"
    & skf21("4","6","6","1","5","7","2","1") = "6"
    & skf21("4","6","6","1","5","7","3","1") = "6"
    & skf21("4","6","6","1","5","7","4","1") = "6"
    & skf21("4","6","6","1","5","7","5","1") = "6"
    & skf21("4","6","6","1","5","7","6","1") = "6"
    & skf21("4","6","6","1","5","7","7","1") = "6"
    & skf21("4","6","6","1","6","1","1","1") = "5"
    & skf21("4","6","6","1","6","1","2","1") = "5"
    & skf21("4","6","6","1","6","1","3","1") = "5"
    & skf21("4","6","6","1","6","1","4","1") = "5"
    & skf21("4","6","6","1","6","1","5","1") = "5"
    & skf21("4","6","6","1","6","1","6","1") = "5"
    & skf21("4","6","6","1","6","1","7","1") = "6"
    & skf21("4","6","6","1","6","2","1","1") = "5"
    & skf21("4","6","6","1","6","2","2","1") = "5"
    & skf21("4","6","6","1","6","2","3","1") = "5"
    & skf21("4","6","6","1","6","2","4","1") = "5"
    & skf21("4","6","6","1","6","2","5","1") = "5"
    & skf21("4","6","6","1","6","2","6","1") = "5"
    & skf21("4","6","6","1","6","2","7","1") = "6"
    & skf21("4","6","6","1","6","3","1","1") = "5"
    & skf21("4","6","6","1","6","3","2","1") = "5"
    & skf21("4","6","6","1","6","3","3","1") = "5"
    & skf21("4","6","6","1","6","3","4","1") = "5"
    & skf21("4","6","6","1","6","3","5","1") = "5"
    & skf21("4","6","6","1","6","3","6","1") = "5"
    & skf21("4","6","6","1","6","3","7","1") = "6"
    & skf21("4","6","6","1","6","4","1","1") = "5"
    & skf21("4","6","6","1","6","4","2","1") = "5"
    & skf21("4","6","6","1","6","4","3","1") = "5"
    & skf21("4","6","6","1","6","4","4","1") = "5"
    & skf21("4","6","6","1","6","4","5","1") = "5"
    & skf21("4","6","6","1","6","4","6","1") = "5"
    & skf21("4","6","6","1","6","4","7","1") = "6"
    & skf21("4","6","6","1","6","5","1","1") = "5"
    & skf21("4","6","6","1","6","5","2","1") = "5"
    & skf21("4","6","6","1","6","5","3","1") = "5"
    & skf21("4","6","6","1","6","5","4","1") = "5"
    & skf21("4","6","6","1","6","5","5","1") = "5"
    & skf21("4","6","6","1","6","5","6","1") = "5"
    & skf21("4","6","6","1","6","5","7","1") = "6"
    & skf21("4","6","6","1","6","6","1","1") = "5"
    & skf21("4","6","6","1","6","6","2","1") = "5"
    & skf21("4","6","6","1","6","6","3","1") = "5"
    & skf21("4","6","6","1","6","6","4","1") = "5"
    & skf21("4","6","6","1","6","6","5","1") = "5"
    & skf21("4","6","6","1","6","6","6","1") = "5"
    & skf21("4","6","6","1","6","6","7","1") = "6"
    & skf21("4","6","6","1","6","7","1","1") = "6"
    & skf21("4","6","6","1","6","7","2","1") = "6"
    & skf21("4","6","6","1","6","7","3","1") = "6"
    & skf21("4","6","6","1","6","7","4","1") = "6"
    & skf21("4","6","6","1","6","7","5","1") = "6"
    & skf21("4","6","6","1","6","7","6","1") = "6"
    & skf21("4","6","6","1","6","7","7","1") = "6"
    & skf21("4","6","6","1","7","1","1","1") = "6"
    & skf21("4","6","6","1","7","1","2","1") = "6"
    & skf21("4","6","6","1","7","1","3","1") = "6"
    & skf21("4","6","6","1","7","1","4","1") = "6"
    & skf21("4","6","6","1","7","1","5","1") = "6"
    & skf21("4","6","6","1","7","1","6","1") = "6"
    & skf21("4","6","6","1","7","1","7","1") = "6"
    & skf21("4","6","6","1","7","2","1","1") = "6"
    & skf21("4","6","6","1","7","2","2","1") = "6"
    & skf21("4","6","6","1","7","2","3","1") = "6"
    & skf21("4","6","6","1","7","2","4","1") = "6"
    & skf21("4","6","6","1","7","2","5","1") = "6"
    & skf21("4","6","6","1","7","2","6","1") = "6"
    & skf21("4","6","6","1","7","2","7","1") = "6"
    & skf21("4","6","6","1","7","3","1","1") = "6"
    & skf21("4","6","6","1","7","3","2","1") = "6"
    & skf21("4","6","6","1","7","3","3","1") = "6"
    & skf21("4","6","6","1","7","3","4","1") = "6"
    & skf21("4","6","6","1","7","3","5","1") = "6"
    & skf21("4","6","6","1","7","3","6","1") = "6"
    & skf21("4","6","6","1","7","3","7","1") = "6"
    & skf21("4","6","6","1","7","4","1","1") = "6"
    & skf21("4","6","6","1","7","4","2","1") = "6"
    & skf21("4","6","6","1","7","4","3","1") = "6"
    & skf21("4","6","6","1","7","4","4","1") = "6"
    & skf21("4","6","6","1","7","4","5","1") = "6"
    & skf21("4","6","6","1","7","4","6","1") = "6"
    & skf21("4","6","6","1","7","4","7","1") = "6"
    & skf21("4","6","6","1","7","5","1","1") = "6"
    & skf21("4","6","6","1","7","5","2","1") = "6"
    & skf21("4","6","6","1","7","5","3","1") = "6"
    & skf21("4","6","6","1","7","5","4","1") = "6"
    & skf21("4","6","6","1","7","5","5","1") = "6"
    & skf21("4","6","6","1","7","5","6","1") = "6"
    & skf21("4","6","6","1","7","5","7","1") = "6"
    & skf21("4","6","6","1","7","6","1","1") = "6"
    & skf21("4","6","6","1","7","6","2","1") = "6"
    & skf21("4","6","6","1","7","6","3","1") = "6"
    & skf21("4","6","6","1","7","6","4","1") = "6"
    & skf21("4","6","6","1","7","6","5","1") = "6"
    & skf21("4","6","6","1","7","6","6","1") = "6"
    & skf21("4","6","6","1","7","6","7","1") = "6"
    & skf21("4","6","6","1","7","7","1","1") = "6"
    & skf21("4","6","6","1","7","7","2","1") = "6"
    & skf21("4","6","6","1","7","7","3","1") = "6"
    & skf21("4","6","6","1","7","7","4","1") = "6"
    & skf21("4","6","6","1","7","7","5","1") = "6"
    & skf21("4","6","6","1","7","7","6","1") = "6"
    & skf21("4","6","6","1","7","7","7","1") = "6"
    & skf21("4","6","6","2","1","1","1","1") = "5"
    & skf21("4","6","6","2","1","1","2","1") = "5"
    & skf21("4","6","6","2","1","1","3","1") = "5"
    & skf21("4","6","6","2","1","1","4","1") = "5"
    & skf21("4","6","6","2","1","1","5","1") = "5"
    & skf21("4","6","6","2","1","1","6","1") = "5"
    & skf21("4","6","6","2","1","1","7","1") = "6"
    & skf21("4","6","6","2","1","2","1","1") = "5"
    & skf21("4","6","6","2","1","2","2","1") = "5"
    & skf21("4","6","6","2","1","2","3","1") = "5"
    & skf21("4","6","6","2","1","2","4","1") = "5"
    & skf21("4","6","6","2","1","2","5","1") = "5"
    & skf21("4","6","6","2","1","2","6","1") = "5"
    & skf21("4","6","6","2","1","2","7","1") = "6"
    & skf21("4","6","6","2","1","3","1","1") = "5"
    & skf21("4","6","6","2","1","3","2","1") = "5"
    & skf21("4","6","6","2","1","3","3","1") = "5"
    & skf21("4","6","6","2","1","3","4","1") = "5"
    & skf21("4","6","6","2","1","3","5","1") = "5"
    & skf21("4","6","6","2","1","3","6","1") = "5"
    & skf21("4","6","6","2","1","3","7","1") = "6"
    & skf21("4","6","6","2","1","4","1","1") = "5"
    & skf21("4","6","6","2","1","4","2","1") = "5"
    & skf21("4","6","6","2","1","4","3","1") = "5"
    & skf21("4","6","6","2","1","4","4","1") = "5"
    & skf21("4","6","6","2","1","4","5","1") = "5"
    & skf21("4","6","6","2","1","4","6","1") = "5"
    & skf21("4","6","6","2","1","4","7","1") = "6"
    & skf21("4","6","6","2","1","5","1","1") = "5"
    & skf21("4","6","6","2","1","5","2","1") = "5"
    & skf21("4","6","6","2","1","5","3","1") = "5"
    & skf21("4","6","6","2","1","5","4","1") = "5"
    & skf21("4","6","6","2","1","5","5","1") = "5"
    & skf21("4","6","6","2","1","5","6","1") = "5"
    & skf21("4","6","6","2","1","5","7","1") = "6"
    & skf21("4","6","6","2","1","6","1","1") = "5"
    & skf21("4","6","6","2","1","6","2","1") = "5"
    & skf21("4","6","6","2","1","6","3","1") = "5"
    & skf21("4","6","6","2","1","6","4","1") = "5"
    & skf21("4","6","6","2","1","6","5","1") = "5"
    & skf21("4","6","6","2","1","6","6","1") = "5"
    & skf21("4","6","6","2","1","6","7","1") = "6"
    & skf21("4","6","6","2","1","7","1","1") = "6"
    & skf21("4","6","6","2","1","7","2","1") = "6"
    & skf21("4","6","6","2","1","7","3","1") = "6"
    & skf21("4","6","6","2","1","7","4","1") = "6"
    & skf21("4","6","6","2","1","7","5","1") = "6"
    & skf21("4","6","6","2","1","7","6","1") = "6"
    & skf21("4","6","6","2","1","7","7","1") = "6"
    & skf21("4","6","6","2","2","1","1","1") = "5"
    & skf21("4","6","6","2","2","1","2","1") = "5"
    & skf21("4","6","6","2","2","1","3","1") = "5"
    & skf21("4","6","6","2","2","1","4","1") = "5"
    & skf21("4","6","6","2","2","1","5","1") = "5"
    & skf21("4","6","6","2","2","1","6","1") = "5"
    & skf21("4","6","6","2","2","1","7","1") = "6"
    & skf21("4","6","6","2","2","2","1","1") = "5"
    & skf21("4","6","6","2","2","2","2","1") = "5"
    & skf21("4","6","6","2","2","2","3","1") = "5"
    & skf21("4","6","6","2","2","2","4","1") = "5"
    & skf21("4","6","6","2","2","2","5","1") = "5"
    & skf21("4","6","6","2","2","2","6","1") = "5"
    & skf21("4","6","6","2","2","2","7","1") = "6"
    & skf21("4","6","6","2","2","3","1","1") = "5"
    & skf21("4","6","6","2","2","3","2","1") = "5"
    & skf21("4","6","6","2","2","3","3","1") = "5"
    & skf21("4","6","6","2","2","3","4","1") = "5"
    & skf21("4","6","6","2","2","3","5","1") = "5"
    & skf21("4","6","6","2","2","3","6","1") = "5"
    & skf21("4","6","6","2","2","3","7","1") = "6"
    & skf21("4","6","6","2","2","4","1","1") = "5"
    & skf21("4","6","6","2","2","4","2","1") = "5"
    & skf21("4","6","6","2","2","4","3","1") = "5"
    & skf21("4","6","6","2","2","4","4","1") = "5"
    & skf21("4","6","6","2","2","4","5","1") = "5"
    & skf21("4","6","6","2","2","4","6","1") = "5"
    & skf21("4","6","6","2","2","4","7","1") = "6"
    & skf21("4","6","6","2","2","5","1","1") = "5"
    & skf21("4","6","6","2","2","5","2","1") = "5"
    & skf21("4","6","6","2","2","5","3","1") = "5"
    & skf21("4","6","6","2","2","5","4","1") = "5"
    & skf21("4","6","6","2","2","5","5","1") = "5"
    & skf21("4","6","6","2","2","5","6","1") = "5"
    & skf21("4","6","6","2","2","5","7","1") = "6"
    & skf21("4","6","6","2","2","6","1","1") = "5"
    & skf21("4","6","6","2","2","6","2","1") = "5"
    & skf21("4","6","6","2","2","6","3","1") = "5"
    & skf21("4","6","6","2","2","6","4","1") = "5"
    & skf21("4","6","6","2","2","6","5","1") = "5"
    & skf21("4","6","6","2","2","6","6","1") = "5"
    & skf21("4","6","6","2","2","6","7","1") = "6"
    & skf21("4","6","6","2","2","7","1","1") = "6"
    & skf21("4","6","6","2","2","7","2","1") = "6"
    & skf21("4","6","6","2","2","7","3","1") = "6"
    & skf21("4","6","6","2","2","7","4","1") = "6"
    & skf21("4","6","6","2","2","7","5","1") = "6"
    & skf21("4","6","6","2","2","7","6","1") = "6"
    & skf21("4","6","6","2","2","7","7","1") = "6"
    & skf21("4","6","6","2","3","1","1","1") = "5"
    & skf21("4","6","6","2","3","1","2","1") = "5"
    & skf21("4","6","6","2","3","1","3","1") = "5"
    & skf21("4","6","6","2","3","1","4","1") = "5"
    & skf21("4","6","6","2","3","1","5","1") = "5"
    & skf21("4","6","6","2","3","1","6","1") = "5"
    & skf21("4","6","6","2","3","1","7","1") = "6"
    & skf21("4","6","6","2","3","2","1","1") = "5"
    & skf21("4","6","6","2","3","2","2","1") = "5"
    & skf21("4","6","6","2","3","2","3","1") = "5"
    & skf21("4","6","6","2","3","2","4","1") = "5"
    & skf21("4","6","6","2","3","2","5","1") = "5"
    & skf21("4","6","6","2","3","2","6","1") = "5"
    & skf21("4","6","6","2","3","2","7","1") = "6"
    & skf21("4","6","6","2","3","3","1","1") = "5"
    & skf21("4","6","6","2","3","3","2","1") = "5"
    & skf21("4","6","6","2","3","3","3","1") = "5"
    & skf21("4","6","6","2","3","3","4","1") = "5"
    & skf21("4","6","6","2","3","3","5","1") = "5"
    & skf21("4","6","6","2","3","3","6","1") = "5"
    & skf21("4","6","6","2","3","3","7","1") = "6"
    & skf21("4","6","6","2","3","4","1","1") = "5"
    & skf21("4","6","6","2","3","4","2","1") = "5"
    & skf21("4","6","6","2","3","4","3","1") = "5"
    & skf21("4","6","6","2","3","4","4","1") = "5"
    & skf21("4","6","6","2","3","4","5","1") = "5"
    & skf21("4","6","6","2","3","4","6","1") = "5"
    & skf21("4","6","6","2","3","4","7","1") = "6"
    & skf21("4","6","6","2","3","5","1","1") = "5"
    & skf21("4","6","6","2","3","5","2","1") = "5"
    & skf21("4","6","6","2","3","5","3","1") = "5"
    & skf21("4","6","6","2","3","5","4","1") = "5"
    & skf21("4","6","6","2","3","5","5","1") = "5"
    & skf21("4","6","6","2","3","5","6","1") = "5"
    & skf21("4","6","6","2","3","5","7","1") = "6"
    & skf21("4","6","6","2","3","6","1","1") = "5"
    & skf21("4","6","6","2","3","6","2","1") = "5"
    & skf21("4","6","6","2","3","6","3","1") = "5"
    & skf21("4","6","6","2","3","6","4","1") = "5"
    & skf21("4","6","6","2","3","6","5","1") = "5"
    & skf21("4","6","6","2","3","6","6","1") = "5"
    & skf21("4","6","6","2","3","6","7","1") = "6"
    & skf21("4","6","6","2","3","7","1","1") = "6"
    & skf21("4","6","6","2","3","7","2","1") = "6"
    & skf21("4","6","6","2","3","7","3","1") = "6"
    & skf21("4","6","6","2","3","7","4","1") = "6"
    & skf21("4","6","6","2","3","7","5","1") = "6"
    & skf21("4","6","6","2","3","7","6","1") = "6"
    & skf21("4","6","6","2","3","7","7","1") = "6"
    & skf21("4","6","6","2","4","1","1","1") = "5"
    & skf21("4","6","6","2","4","1","2","1") = "5"
    & skf21("4","6","6","2","4","1","3","1") = "5"
    & skf21("4","6","6","2","4","1","4","1") = "5"
    & skf21("4","6","6","2","4","1","5","1") = "5"
    & skf21("4","6","6","2","4","1","6","1") = "5"
    & skf21("4","6","6","2","4","1","7","1") = "6"
    & skf21("4","6","6","2","4","2","1","1") = "5"
    & skf21("4","6","6","2","4","2","2","1") = "5"
    & skf21("4","6","6","2","4","2","3","1") = "5"
    & skf21("4","6","6","2","4","2","4","1") = "5"
    & skf21("4","6","6","2","4","2","5","1") = "5"
    & skf21("4","6","6","2","4","2","6","1") = "5"
    & skf21("4","6","6","2","4","2","7","1") = "6"
    & skf21("4","6","6","2","4","3","1","1") = "5"
    & skf21("4","6","6","2","4","3","2","1") = "5"
    & skf21("4","6","6","2","4","3","3","1") = "5"
    & skf21("4","6","6","2","4","3","4","1") = "5"
    & skf21("4","6","6","2","4","3","5","1") = "5"
    & skf21("4","6","6","2","4","3","6","1") = "5"
    & skf21("4","6","6","2","4","3","7","1") = "6"
    & skf21("4","6","6","2","4","4","1","1") = "5"
    & skf21("4","6","6","2","4","4","2","1") = "5"
    & skf21("4","6","6","2","4","4","3","1") = "5"
    & skf21("4","6","6","2","4","4","4","1") = "5"
    & skf21("4","6","6","2","4","4","5","1") = "5"
    & skf21("4","6","6","2","4","4","6","1") = "5"
    & skf21("4","6","6","2","4","4","7","1") = "6"
    & skf21("4","6","6","2","4","5","1","1") = "5"
    & skf21("4","6","6","2","4","5","2","1") = "5"
    & skf21("4","6","6","2","4","5","3","1") = "5"
    & skf21("4","6","6","2","4","5","4","1") = "5"
    & skf21("4","6","6","2","4","5","5","1") = "5"
    & skf21("4","6","6","2","4","5","6","1") = "5"
    & skf21("4","6","6","2","4","5","7","1") = "6"
    & skf21("4","6","6","2","4","6","1","1") = "5"
    & skf21("4","6","6","2","4","6","2","1") = "5"
    & skf21("4","6","6","2","4","6","3","1") = "5"
    & skf21("4","6","6","2","4","6","4","1") = "5"
    & skf21("4","6","6","2","4","6","5","1") = "5"
    & skf21("4","6","6","2","4","6","6","1") = "5"
    & skf21("4","6","6","2","4","6","7","1") = "6"
    & skf21("4","6","6","2","4","7","1","1") = "6"
    & skf21("4","6","6","2","4","7","2","1") = "6"
    & skf21("4","6","6","2","4","7","3","1") = "6"
    & skf21("4","6","6","2","4","7","4","1") = "6"
    & skf21("4","6","6","2","4","7","5","1") = "6"
    & skf21("4","6","6","2","4","7","6","1") = "6"
    & skf21("4","6","6","2","4","7","7","1") = "6"
    & skf21("4","6","6","2","5","1","1","1") = "5"
    & skf21("4","6","6","2","5","1","2","1") = "5"
    & skf21("4","6","6","2","5","1","3","1") = "5"
    & skf21("4","6","6","2","5","1","4","1") = "5"
    & skf21("4","6","6","2","5","1","5","1") = "5"
    & skf21("4","6","6","2","5","1","6","1") = "5"
    & skf21("4","6","6","2","5","1","7","1") = "6"
    & skf21("4","6","6","2","5","2","1","1") = "5"
    & skf21("4","6","6","2","5","2","2","1") = "5"
    & skf21("4","6","6","2","5","2","3","1") = "5"
    & skf21("4","6","6","2","5","2","4","1") = "5"
    & skf21("4","6","6","2","5","2","5","1") = "5"
    & skf21("4","6","6","2","5","2","6","1") = "5"
    & skf21("4","6","6","2","5","2","7","1") = "6"
    & skf21("4","6","6","2","5","3","1","1") = "5"
    & skf21("4","6","6","2","5","3","2","1") = "5"
    & skf21("4","6","6","2","5","3","3","1") = "5"
    & skf21("4","6","6","2","5","3","4","1") = "5"
    & skf21("4","6","6","2","5","3","5","1") = "5"
    & skf21("4","6","6","2","5","3","6","1") = "5"
    & skf21("4","6","6","2","5","3","7","1") = "6"
    & skf21("4","6","6","2","5","4","1","1") = "5"
    & skf21("4","6","6","2","5","4","2","1") = "5"
    & skf21("4","6","6","2","5","4","3","1") = "5"
    & skf21("4","6","6","2","5","4","4","1") = "5"
    & skf21("4","6","6","2","5","4","5","1") = "5"
    & skf21("4","6","6","2","5","4","6","1") = "5"
    & skf21("4","6","6","2","5","4","7","1") = "6"
    & skf21("4","6","6","2","5","5","1","1") = "5"
    & skf21("4","6","6","2","5","5","2","1") = "5"
    & skf21("4","6","6","2","5","5","3","1") = "5"
    & skf21("4","6","6","2","5","5","4","1") = "5"
    & skf21("4","6","6","2","5","5","5","1") = "5"
    & skf21("4","6","6","2","5","5","6","1") = "5"
    & skf21("4","6","6","2","5","5","7","1") = "6"
    & skf21("4","6","6","2","5","6","1","1") = "5"
    & skf21("4","6","6","2","5","6","2","1") = "5"
    & skf21("4","6","6","2","5","6","3","1") = "5"
    & skf21("4","6","6","2","5","6","4","1") = "5"
    & skf21("4","6","6","2","5","6","5","1") = "5"
    & skf21("4","6","6","2","5","6","6","1") = "5"
    & skf21("4","6","6","2","5","6","7","1") = "6"
    & skf21("4","6","6","2","5","7","1","1") = "6"
    & skf21("4","6","6","2","5","7","2","1") = "6"
    & skf21("4","6","6","2","5","7","3","1") = "6"
    & skf21("4","6","6","2","5","7","4","1") = "6"
    & skf21("4","6","6","2","5","7","5","1") = "6"
    & skf21("4","6","6","2","5","7","6","1") = "6"
    & skf21("4","6","6","2","5","7","7","1") = "6"
    & skf21("4","6","6","2","6","1","1","1") = "5"
    & skf21("4","6","6","2","6","1","2","1") = "5"
    & skf21("4","6","6","2","6","1","3","1") = "5"
    & skf21("4","6","6","2","6","1","4","1") = "5"
    & skf21("4","6","6","2","6","1","5","1") = "5"
    & skf21("4","6","6","2","6","1","6","1") = "5"
    & skf21("4","6","6","2","6","1","7","1") = "6"
    & skf21("4","6","6","2","6","2","1","1") = "5"
    & skf21("4","6","6","2","6","2","2","1") = "5"
    & skf21("4","6","6","2","6","2","3","1") = "5"
    & skf21("4","6","6","2","6","2","4","1") = "5"
    & skf21("4","6","6","2","6","2","5","1") = "5"
    & skf21("4","6","6","2","6","2","6","1") = "5"
    & skf21("4","6","6","2","6","2","7","1") = "6"
    & skf21("4","6","6","2","6","3","1","1") = "5"
    & skf21("4","6","6","2","6","3","2","1") = "5"
    & skf21("4","6","6","2","6","3","3","1") = "5"
    & skf21("4","6","6","2","6","3","4","1") = "5"
    & skf21("4","6","6","2","6","3","5","1") = "5"
    & skf21("4","6","6","2","6","3","6","1") = "5"
    & skf21("4","6","6","2","6","3","7","1") = "6"
    & skf21("4","6","6","2","6","4","1","1") = "5"
    & skf21("4","6","6","2","6","4","2","1") = "5"
    & skf21("4","6","6","2","6","4","3","1") = "5"
    & skf21("4","6","6","2","6","4","4","1") = "5"
    & skf21("4","6","6","2","6","4","5","1") = "5"
    & skf21("4","6","6","2","6","4","6","1") = "5"
    & skf21("4","6","6","2","6","4","7","1") = "6"
    & skf21("4","6","6","2","6","5","1","1") = "5"
    & skf21("4","6","6","2","6","5","2","1") = "5"
    & skf21("4","6","6","2","6","5","3","1") = "5"
    & skf21("4","6","6","2","6","5","4","1") = "5"
    & skf21("4","6","6","2","6","5","5","1") = "5"
    & skf21("4","6","6","2","6","5","6","1") = "5"
    & skf21("4","6","6","2","6","5","7","1") = "6"
    & skf21("4","6","6","2","6","6","1","1") = "5"
    & skf21("4","6","6","2","6","6","2","1") = "5"
    & skf21("4","6","6","2","6","6","3","1") = "5"
    & skf21("4","6","6","2","6","6","4","1") = "5"
    & skf21("4","6","6","2","6","6","5","1") = "5"
    & skf21("4","6","6","2","6","6","6","1") = "5"
    & skf21("4","6","6","2","6","6","7","1") = "6"
    & skf21("4","6","6","2","6","7","1","1") = "6"
    & skf21("4","6","6","2","6","7","2","1") = "6"
    & skf21("4","6","6","2","6","7","3","1") = "6"
    & skf21("4","6","6","2","6","7","4","1") = "6"
    & skf21("4","6","6","2","6","7","5","1") = "6"
    & skf21("4","6","6","2","6","7","6","1") = "6"
    & skf21("4","6","6","2","6","7","7","1") = "6"
    & skf21("4","6","6","2","7","1","1","1") = "6"
    & skf21("4","6","6","2","7","1","2","1") = "6"
    & skf21("4","6","6","2","7","1","3","1") = "6"
    & skf21("4","6","6","2","7","1","4","1") = "6"
    & skf21("4","6","6","2","7","1","5","1") = "6"
    & skf21("4","6","6","2","7","1","6","1") = "6"
    & skf21("4","6","6","2","7","1","7","1") = "6"
    & skf21("4","6","6","2","7","2","1","1") = "6"
    & skf21("4","6","6","2","7","2","2","1") = "6"
    & skf21("4","6","6","2","7","2","3","1") = "6"
    & skf21("4","6","6","2","7","2","4","1") = "6"
    & skf21("4","6","6","2","7","2","5","1") = "6"
    & skf21("4","6","6","2","7","2","6","1") = "6"
    & skf21("4","6","6","2","7","2","7","1") = "6"
    & skf21("4","6","6","2","7","3","1","1") = "6"
    & skf21("4","6","6","2","7","3","2","1") = "6"
    & skf21("4","6","6","2","7","3","3","1") = "6"
    & skf21("4","6","6","2","7","3","4","1") = "6"
    & skf21("4","6","6","2","7","3","5","1") = "6"
    & skf21("4","6","6","2","7","3","6","1") = "6"
    & skf21("4","6","6","2","7","3","7","1") = "6"
    & skf21("4","6","6","2","7","4","1","1") = "6"
    & skf21("4","6","6","2","7","4","2","1") = "6"
    & skf21("4","6","6","2","7","4","3","1") = "6"
    & skf21("4","6","6","2","7","4","4","1") = "6"
    & skf21("4","6","6","2","7","4","5","1") = "6"
    & skf21("4","6","6","2","7","4","6","1") = "6"
    & skf21("4","6","6","2","7","4","7","1") = "6"
    & skf21("4","6","6","2","7","5","1","1") = "6"
    & skf21("4","6","6","2","7","5","2","1") = "6"
    & skf21("4","6","6","2","7","5","3","1") = "6"
    & skf21("4","6","6","2","7","5","4","1") = "6"
    & skf21("4","6","6","2","7","5","5","1") = "6"
    & skf21("4","6","6","2","7","5","6","1") = "6"
    & skf21("4","6","6","2","7","5","7","1") = "6"
    & skf21("4","6","6","2","7","6","1","1") = "6"
    & skf21("4","6","6","2","7","6","2","1") = "6"
    & skf21("4","6","6","2","7","6","3","1") = "6"
    & skf21("4","6","6","2","7","6","4","1") = "6"
    & skf21("4","6","6","2","7","6","5","1") = "6"
    & skf21("4","6","6","2","7","6","6","1") = "6"
    & skf21("4","6","6","2","7","6","7","1") = "6"
    & skf21("4","6","6","2","7","7","1","1") = "6"
    & skf21("4","6","6","2","7","7","2","1") = "6"
    & skf21("4","6","6","2","7","7","3","1") = "6"
    & skf21("4","6","6","2","7","7","4","1") = "6"
    & skf21("4","6","6","2","7","7","5","1") = "6"
    & skf21("4","6","6","2","7","7","6","1") = "6"
    & skf21("4","6","6","2","7","7","7","1") = "6"
    & skf21("4","6","6","3","1","1","1","1") = "5"
    & skf21("4","6","6","3","1","1","2","1") = "5"
    & skf21("4","6","6","3","1","1","3","1") = "5"
    & skf21("4","6","6","3","1","1","4","1") = "5"
    & skf21("4","6","6","3","1","1","5","1") = "5"
    & skf21("4","6","6","3","1","1","6","1") = "5"
    & skf21("4","6","6","3","1","1","7","1") = "6"
    & skf21("4","6","6","3","1","2","1","1") = "5"
    & skf21("4","6","6","3","1","2","2","1") = "5"
    & skf21("4","6","6","3","1","2","3","1") = "5"
    & skf21("4","6","6","3","1","2","4","1") = "5"
    & skf21("4","6","6","3","1","2","5","1") = "5"
    & skf21("4","6","6","3","1","2","6","1") = "5"
    & skf21("4","6","6","3","1","2","7","1") = "6"
    & skf21("4","6","6","3","1","3","1","1") = "5"
    & skf21("4","6","6","3","1","3","2","1") = "5"
    & skf21("4","6","6","3","1","3","3","1") = "5"
    & skf21("4","6","6","3","1","3","4","1") = "5"
    & skf21("4","6","6","3","1","3","5","1") = "5"
    & skf21("4","6","6","3","1","3","6","1") = "5"
    & skf21("4","6","6","3","1","3","7","1") = "6"
    & skf21("4","6","6","3","1","4","1","1") = "5"
    & skf21("4","6","6","3","1","4","2","1") = "5"
    & skf21("4","6","6","3","1","4","3","1") = "5"
    & skf21("4","6","6","3","1","4","4","1") = "5"
    & skf21("4","6","6","3","1","4","5","1") = "5"
    & skf21("4","6","6","3","1","4","6","1") = "5"
    & skf21("4","6","6","3","1","4","7","1") = "6"
    & skf21("4","6","6","3","1","5","1","1") = "5"
    & skf21("4","6","6","3","1","5","2","1") = "5"
    & skf21("4","6","6","3","1","5","3","1") = "5"
    & skf21("4","6","6","3","1","5","4","1") = "5"
    & skf21("4","6","6","3","1","5","5","1") = "5"
    & skf21("4","6","6","3","1","5","6","1") = "5"
    & skf21("4","6","6","3","1","5","7","1") = "6"
    & skf21("4","6","6","3","1","6","1","1") = "5"
    & skf21("4","6","6","3","1","6","2","1") = "5"
    & skf21("4","6","6","3","1","6","3","1") = "5"
    & skf21("4","6","6","3","1","6","4","1") = "5"
    & skf21("4","6","6","3","1","6","5","1") = "5"
    & skf21("4","6","6","3","1","6","6","1") = "5"
    & skf21("4","6","6","3","1","6","7","1") = "6"
    & skf21("4","6","6","3","1","7","1","1") = "6"
    & skf21("4","6","6","3","1","7","2","1") = "6"
    & skf21("4","6","6","3","1","7","3","1") = "6"
    & skf21("4","6","6","3","1","7","4","1") = "6"
    & skf21("4","6","6","3","1","7","5","1") = "6"
    & skf21("4","6","6","3","1","7","6","1") = "6"
    & skf21("4","6","6","3","1","7","7","1") = "6"
    & skf21("4","6","6","3","2","1","1","1") = "5"
    & skf21("4","6","6","3","2","1","2","1") = "5"
    & skf21("4","6","6","3","2","1","3","1") = "5"
    & skf21("4","6","6","3","2","1","4","1") = "5"
    & skf21("4","6","6","3","2","1","5","1") = "5"
    & skf21("4","6","6","3","2","1","6","1") = "5"
    & skf21("4","6","6","3","2","1","7","1") = "6"
    & skf21("4","6","6","3","2","2","1","1") = "5"
    & skf21("4","6","6","3","2","2","2","1") = "5"
    & skf21("4","6","6","3","2","2","3","1") = "5"
    & skf21("4","6","6","3","2","2","4","1") = "5"
    & skf21("4","6","6","3","2","2","5","1") = "5"
    & skf21("4","6","6","3","2","2","6","1") = "5"
    & skf21("4","6","6","3","2","2","7","1") = "6"
    & skf21("4","6","6","3","2","3","1","1") = "5"
    & skf21("4","6","6","3","2","3","2","1") = "5"
    & skf21("4","6","6","3","2","3","3","1") = "5"
    & skf21("4","6","6","3","2","3","4","1") = "5"
    & skf21("4","6","6","3","2","3","5","1") = "5"
    & skf21("4","6","6","3","2","3","6","1") = "5"
    & skf21("4","6","6","3","2","3","7","1") = "6"
    & skf21("4","6","6","3","2","4","1","1") = "5"
    & skf21("4","6","6","3","2","4","2","1") = "5"
    & skf21("4","6","6","3","2","4","3","1") = "5"
    & skf21("4","6","6","3","2","4","4","1") = "5"
    & skf21("4","6","6","3","2","4","5","1") = "5"
    & skf21("4","6","6","3","2","4","6","1") = "5"
    & skf21("4","6","6","3","2","4","7","1") = "6"
    & skf21("4","6","6","3","2","5","1","1") = "5"
    & skf21("4","6","6","3","2","5","2","1") = "5"
    & skf21("4","6","6","3","2","5","3","1") = "5"
    & skf21("4","6","6","3","2","5","4","1") = "5"
    & skf21("4","6","6","3","2","5","5","1") = "5"
    & skf21("4","6","6","3","2","5","6","1") = "5"
    & skf21("4","6","6","3","2","5","7","1") = "6"
    & skf21("4","6","6","3","2","6","1","1") = "5"
    & skf21("4","6","6","3","2","6","2","1") = "5"
    & skf21("4","6","6","3","2","6","3","1") = "5"
    & skf21("4","6","6","3","2","6","4","1") = "5"
    & skf21("4","6","6","3","2","6","5","1") = "5"
    & skf21("4","6","6","3","2","6","6","1") = "5"
    & skf21("4","6","6","3","2","6","7","1") = "6"
    & skf21("4","6","6","3","2","7","1","1") = "6"
    & skf21("4","6","6","3","2","7","2","1") = "6"
    & skf21("4","6","6","3","2","7","3","1") = "6"
    & skf21("4","6","6","3","2","7","4","1") = "6"
    & skf21("4","6","6","3","2","7","5","1") = "6"
    & skf21("4","6","6","3","2","7","6","1") = "6"
    & skf21("4","6","6","3","2","7","7","1") = "6"
    & skf21("4","6","6","3","3","1","1","1") = "5"
    & skf21("4","6","6","3","3","1","2","1") = "5"
    & skf21("4","6","6","3","3","1","3","1") = "5"
    & skf21("4","6","6","3","3","1","4","1") = "5"
    & skf21("4","6","6","3","3","1","5","1") = "5"
    & skf21("4","6","6","3","3","1","6","1") = "5"
    & skf21("4","6","6","3","3","1","7","1") = "6"
    & skf21("4","6","6","3","3","2","1","1") = "5"
    & skf21("4","6","6","3","3","2","2","1") = "5"
    & skf21("4","6","6","3","3","2","3","1") = "5"
    & skf21("4","6","6","3","3","2","4","1") = "5"
    & skf21("4","6","6","3","3","2","5","1") = "5"
    & skf21("4","6","6","3","3","2","6","1") = "5"
    & skf21("4","6","6","3","3","2","7","1") = "6"
    & skf21("4","6","6","3","3","3","1","1") = "5"
    & skf21("4","6","6","3","3","3","2","1") = "5"
    & skf21("4","6","6","3","3","3","3","1") = "5"
    & skf21("4","6","6","3","3","3","4","1") = "5"
    & skf21("4","6","6","3","3","3","5","1") = "5"
    & skf21("4","6","6","3","3","3","6","1") = "5"
    & skf21("4","6","6","3","3","3","7","1") = "6"
    & skf21("4","6","6","3","3","4","1","1") = "5"
    & skf21("4","6","6","3","3","4","2","1") = "5"
    & skf21("4","6","6","3","3","4","3","1") = "5"
    & skf21("4","6","6","3","3","4","4","1") = "5"
    & skf21("4","6","6","3","3","4","5","1") = "5"
    & skf21("4","6","6","3","3","4","6","1") = "5"
    & skf21("4","6","6","3","3","4","7","1") = "6"
    & skf21("4","6","6","3","3","5","1","1") = "5"
    & skf21("4","6","6","3","3","5","2","1") = "5"
    & skf21("4","6","6","3","3","5","3","1") = "5"
    & skf21("4","6","6","3","3","5","4","1") = "5"
    & skf21("4","6","6","3","3","5","5","1") = "5"
    & skf21("4","6","6","3","3","5","6","1") = "5"
    & skf21("4","6","6","3","3","5","7","1") = "6"
    & skf21("4","6","6","3","3","6","1","1") = "5"
    & skf21("4","6","6","3","3","6","2","1") = "5"
    & skf21("4","6","6","3","3","6","3","1") = "5"
    & skf21("4","6","6","3","3","6","4","1") = "5"
    & skf21("4","6","6","3","3","6","5","1") = "5"
    & skf21("4","6","6","3","3","6","6","1") = "5"
    & skf21("4","6","6","3","3","6","7","1") = "6"
    & skf21("4","6","6","3","3","7","1","1") = "6"
    & skf21("4","6","6","3","3","7","2","1") = "6"
    & skf21("4","6","6","3","3","7","3","1") = "6"
    & skf21("4","6","6","3","3","7","4","1") = "6"
    & skf21("4","6","6","3","3","7","5","1") = "6"
    & skf21("4","6","6","3","3","7","6","1") = "6"
    & skf21("4","6","6","3","3","7","7","1") = "6"
    & skf21("4","6","6","3","4","1","1","1") = "5"
    & skf21("4","6","6","3","4","1","2","1") = "5"
    & skf21("4","6","6","3","4","1","3","1") = "5"
    & skf21("4","6","6","3","4","1","4","1") = "5"
    & skf21("4","6","6","3","4","1","5","1") = "5"
    & skf21("4","6","6","3","4","1","6","1") = "5"
    & skf21("4","6","6","3","4","1","7","1") = "6"
    & skf21("4","6","6","3","4","2","1","1") = "5"
    & skf21("4","6","6","3","4","2","2","1") = "5"
    & skf21("4","6","6","3","4","2","3","1") = "5"
    & skf21("4","6","6","3","4","2","4","1") = "5"
    & skf21("4","6","6","3","4","2","5","1") = "5"
    & skf21("4","6","6","3","4","2","6","1") = "5"
    & skf21("4","6","6","3","4","2","7","1") = "6"
    & skf21("4","6","6","3","4","3","1","1") = "5"
    & skf21("4","6","6","3","4","3","2","1") = "5"
    & skf21("4","6","6","3","4","3","3","1") = "5"
    & skf21("4","6","6","3","4","3","4","1") = "5"
    & skf21("4","6","6","3","4","3","5","1") = "5"
    & skf21("4","6","6","3","4","3","6","1") = "5"
    & skf21("4","6","6","3","4","3","7","1") = "6"
    & skf21("4","6","6","3","4","4","1","1") = "5"
    & skf21("4","6","6","3","4","4","2","1") = "5"
    & skf21("4","6","6","3","4","4","3","1") = "5"
    & skf21("4","6","6","3","4","4","4","1") = "5"
    & skf21("4","6","6","3","4","4","5","1") = "5"
    & skf21("4","6","6","3","4","4","6","1") = "5"
    & skf21("4","6","6","3","4","4","7","1") = "6"
    & skf21("4","6","6","3","4","5","1","1") = "5"
    & skf21("4","6","6","3","4","5","2","1") = "5"
    & skf21("4","6","6","3","4","5","3","1") = "5"
    & skf21("4","6","6","3","4","5","4","1") = "5"
    & skf21("4","6","6","3","4","5","5","1") = "5"
    & skf21("4","6","6","3","4","5","6","1") = "5"
    & skf21("4","6","6","3","4","5","7","1") = "6"
    & skf21("4","6","6","3","4","6","1","1") = "5"
    & skf21("4","6","6","3","4","6","2","1") = "5"
    & skf21("4","6","6","3","4","6","3","1") = "5"
    & skf21("4","6","6","3","4","6","4","1") = "5"
    & skf21("4","6","6","3","4","6","5","1") = "5"
    & skf21("4","6","6","3","4","6","6","1") = "5"
    & skf21("4","6","6","3","4","6","7","1") = "6"
    & skf21("4","6","6","3","4","7","1","1") = "6"
    & skf21("4","6","6","3","4","7","2","1") = "6"
    & skf21("4","6","6","3","4","7","3","1") = "6"
    & skf21("4","6","6","3","4","7","4","1") = "6"
    & skf21("4","6","6","3","4","7","5","1") = "6"
    & skf21("4","6","6","3","4","7","6","1") = "6"
    & skf21("4","6","6","3","4","7","7","1") = "6"
    & skf21("4","6","6","3","5","1","1","1") = "5"
    & skf21("4","6","6","3","5","1","2","1") = "5"
    & skf21("4","6","6","3","5","1","3","1") = "5"
    & skf21("4","6","6","3","5","1","4","1") = "5"
    & skf21("4","6","6","3","5","1","5","1") = "5"
    & skf21("4","6","6","3","5","1","6","1") = "5"
    & skf21("4","6","6","3","5","1","7","1") = "6"
    & skf21("4","6","6","3","5","2","1","1") = "5"
    & skf21("4","6","6","3","5","2","2","1") = "5"
    & skf21("4","6","6","3","5","2","3","1") = "5"
    & skf21("4","6","6","3","5","2","4","1") = "5"
    & skf21("4","6","6","3","5","2","5","1") = "5"
    & skf21("4","6","6","3","5","2","6","1") = "5"
    & skf21("4","6","6","3","5","2","7","1") = "6"
    & skf21("4","6","6","3","5","3","1","1") = "5"
    & skf21("4","6","6","3","5","3","2","1") = "5"
    & skf21("4","6","6","3","5","3","3","1") = "5"
    & skf21("4","6","6","3","5","3","4","1") = "5"
    & skf21("4","6","6","3","5","3","5","1") = "5"
    & skf21("4","6","6","3","5","3","6","1") = "5"
    & skf21("4","6","6","3","5","3","7","1") = "6"
    & skf21("4","6","6","3","5","4","1","1") = "5"
    & skf21("4","6","6","3","5","4","2","1") = "5"
    & skf21("4","6","6","3","5","4","3","1") = "5"
    & skf21("4","6","6","3","5","4","4","1") = "5"
    & skf21("4","6","6","3","5","4","5","1") = "5"
    & skf21("4","6","6","3","5","4","6","1") = "5"
    & skf21("4","6","6","3","5","4","7","1") = "6"
    & skf21("4","6","6","3","5","5","1","1") = "5"
    & skf21("4","6","6","3","5","5","2","1") = "5"
    & skf21("4","6","6","3","5","5","3","1") = "5"
    & skf21("4","6","6","3","5","5","4","1") = "5"
    & skf21("4","6","6","3","5","5","5","1") = "5"
    & skf21("4","6","6","3","5","5","6","1") = "5"
    & skf21("4","6","6","3","5","5","7","1") = "6"
    & skf21("4","6","6","3","5","6","1","1") = "5"
    & skf21("4","6","6","3","5","6","2","1") = "5"
    & skf21("4","6","6","3","5","6","3","1") = "5"
    & skf21("4","6","6","3","5","6","4","1") = "5"
    & skf21("4","6","6","3","5","6","5","1") = "5"
    & skf21("4","6","6","3","5","6","6","1") = "5"
    & skf21("4","6","6","3","5","6","7","1") = "6"
    & skf21("4","6","6","3","5","7","1","1") = "6"
    & skf21("4","6","6","3","5","7","2","1") = "6"
    & skf21("4","6","6","3","5","7","3","1") = "6"
    & skf21("4","6","6","3","5","7","4","1") = "6"
    & skf21("4","6","6","3","5","7","5","1") = "6"
    & skf21("4","6","6","3","5","7","6","1") = "6"
    & skf21("4","6","6","3","5","7","7","1") = "6"
    & skf21("4","6","6","3","6","1","1","1") = "5"
    & skf21("4","6","6","3","6","1","2","1") = "5"
    & skf21("4","6","6","3","6","1","3","1") = "5"
    & skf21("4","6","6","3","6","1","4","1") = "5"
    & skf21("4","6","6","3","6","1","5","1") = "5"
    & skf21("4","6","6","3","6","1","6","1") = "5"
    & skf21("4","6","6","3","6","1","7","1") = "6"
    & skf21("4","6","6","3","6","2","1","1") = "5"
    & skf21("4","6","6","3","6","2","2","1") = "5"
    & skf21("4","6","6","3","6","2","3","1") = "5"
    & skf21("4","6","6","3","6","2","4","1") = "5"
    & skf21("4","6","6","3","6","2","5","1") = "5"
    & skf21("4","6","6","3","6","2","6","1") = "5"
    & skf21("4","6","6","3","6","2","7","1") = "6"
    & skf21("4","6","6","3","6","3","1","1") = "5"
    & skf21("4","6","6","3","6","3","2","1") = "5"
    & skf21("4","6","6","3","6","3","3","1") = "5"
    & skf21("4","6","6","3","6","3","4","1") = "5"
    & skf21("4","6","6","3","6","3","5","1") = "5"
    & skf21("4","6","6","3","6","3","6","1") = "5"
    & skf21("4","6","6","3","6","3","7","1") = "6"
    & skf21("4","6","6","3","6","4","1","1") = "5"
    & skf21("4","6","6","3","6","4","2","1") = "5"
    & skf21("4","6","6","3","6","4","3","1") = "5"
    & skf21("4","6","6","3","6","4","4","1") = "5"
    & skf21("4","6","6","3","6","4","5","1") = "5"
    & skf21("4","6","6","3","6","4","6","1") = "5"
    & skf21("4","6","6","3","6","4","7","1") = "6"
    & skf21("4","6","6","3","6","5","1","1") = "5"
    & skf21("4","6","6","3","6","5","2","1") = "5"
    & skf21("4","6","6","3","6","5","3","1") = "5"
    & skf21("4","6","6","3","6","5","4","1") = "5"
    & skf21("4","6","6","3","6","5","5","1") = "5"
    & skf21("4","6","6","3","6","5","6","1") = "5"
    & skf21("4","6","6","3","6","5","7","1") = "6"
    & skf21("4","6","6","3","6","6","1","1") = "5"
    & skf21("4","6","6","3","6","6","2","1") = "5"
    & skf21("4","6","6","3","6","6","3","1") = "5"
    & skf21("4","6","6","3","6","6","4","1") = "5"
    & skf21("4","6","6","3","6","6","5","1") = "5"
    & skf21("4","6","6","3","6","6","6","1") = "5"
    & skf21("4","6","6","3","6","6","7","1") = "6"
    & skf21("4","6","6","3","6","7","1","1") = "6"
    & skf21("4","6","6","3","6","7","2","1") = "6"
    & skf21("4","6","6","3","6","7","3","1") = "6"
    & skf21("4","6","6","3","6","7","4","1") = "6"
    & skf21("4","6","6","3","6","7","5","1") = "6"
    & skf21("4","6","6","3","6","7","6","1") = "6"
    & skf21("4","6","6","3","6","7","7","1") = "6"
    & skf21("4","6","6","3","7","1","1","1") = "6"
    & skf21("4","6","6","3","7","1","2","1") = "6"
    & skf21("4","6","6","3","7","1","3","1") = "6"
    & skf21("4","6","6","3","7","1","4","1") = "6"
    & skf21("4","6","6","3","7","1","5","1") = "6"
    & skf21("4","6","6","3","7","1","6","1") = "6"
    & skf21("4","6","6","3","7","1","7","1") = "6"
    & skf21("4","6","6","3","7","2","1","1") = "6"
    & skf21("4","6","6","3","7","2","2","1") = "6"
    & skf21("4","6","6","3","7","2","3","1") = "6"
    & skf21("4","6","6","3","7","2","4","1") = "6"
    & skf21("4","6","6","3","7","2","5","1") = "6"
    & skf21("4","6","6","3","7","2","6","1") = "6"
    & skf21("4","6","6","3","7","2","7","1") = "6"
    & skf21("4","6","6","3","7","3","1","1") = "6"
    & skf21("4","6","6","3","7","3","2","1") = "6"
    & skf21("4","6","6","3","7","3","3","1") = "6"
    & skf21("4","6","6","3","7","3","4","1") = "6"
    & skf21("4","6","6","3","7","3","5","1") = "6"
    & skf21("4","6","6","3","7","3","6","1") = "6"
    & skf21("4","6","6","3","7","3","7","1") = "6"
    & skf21("4","6","6","3","7","4","1","1") = "6"
    & skf21("4","6","6","3","7","4","2","1") = "6"
    & skf21("4","6","6","3","7","4","3","1") = "6"
    & skf21("4","6","6","3","7","4","4","1") = "6"
    & skf21("4","6","6","3","7","4","5","1") = "6"
    & skf21("4","6","6","3","7","4","6","1") = "6"
    & skf21("4","6","6","3","7","4","7","1") = "6"
    & skf21("4","6","6","3","7","5","1","1") = "6"
    & skf21("4","6","6","3","7","5","2","1") = "6"
    & skf21("4","6","6","3","7","5","3","1") = "6"
    & skf21("4","6","6","3","7","5","4","1") = "6"
    & skf21("4","6","6","3","7","5","5","1") = "6"
    & skf21("4","6","6","3","7","5","6","1") = "6"
    & skf21("4","6","6","3","7","5","7","1") = "6"
    & skf21("4","6","6","3","7","6","1","1") = "6"
    & skf21("4","6","6","3","7","6","2","1") = "6"
    & skf21("4","6","6","3","7","6","3","1") = "6"
    & skf21("4","6","6","3","7","6","4","1") = "6"
    & skf21("4","6","6","3","7","6","5","1") = "6"
    & skf21("4","6","6","3","7","6","6","1") = "6"
    & skf21("4","6","6","3","7","6","7","1") = "6"
    & skf21("4","6","6","3","7","7","1","1") = "6"
    & skf21("4","6","6","3","7","7","2","1") = "6"
    & skf21("4","6","6","3","7","7","3","1") = "6"
    & skf21("4","6","6","3","7","7","4","1") = "6"
    & skf21("4","6","6","3","7","7","5","1") = "6"
    & skf21("4","6","6","3","7","7","6","1") = "6"
    & skf21("4","6","6","3","7","7","7","1") = "6"
    & skf21("4","6","6","4","1","1","1","1") = "5"
    & skf21("4","6","6","4","1","1","2","1") = "5"
    & skf21("4","6","6","4","1","1","3","1") = "5"
    & skf21("4","6","6","4","1","1","4","1") = "5"
    & skf21("4","6","6","4","1","1","5","1") = "5"
    & skf21("4","6","6","4","1","1","6","1") = "5"
    & skf21("4","6","6","4","1","1","7","1") = "6"
    & skf21("4","6","6","4","1","2","1","1") = "5"
    & skf21("4","6","6","4","1","2","2","1") = "5"
    & skf21("4","6","6","4","1","2","3","1") = "5"
    & skf21("4","6","6","4","1","2","4","1") = "5"
    & skf21("4","6","6","4","1","2","5","1") = "5"
    & skf21("4","6","6","4","1","2","6","1") = "5"
    & skf21("4","6","6","4","1","2","7","1") = "6"
    & skf21("4","6","6","4","1","3","1","1") = "5"
    & skf21("4","6","6","4","1","3","2","1") = "5"
    & skf21("4","6","6","4","1","3","3","1") = "5"
    & skf21("4","6","6","4","1","3","4","1") = "5"
    & skf21("4","6","6","4","1","3","5","1") = "5"
    & skf21("4","6","6","4","1","3","6","1") = "5"
    & skf21("4","6","6","4","1","3","7","1") = "6"
    & skf21("4","6","6","4","1","4","1","1") = "5"
    & skf21("4","6","6","4","1","4","2","1") = "5"
    & skf21("4","6","6","4","1","4","3","1") = "5"
    & skf21("4","6","6","4","1","4","4","1") = "5"
    & skf21("4","6","6","4","1","4","5","1") = "5"
    & skf21("4","6","6","4","1","4","6","1") = "5"
    & skf21("4","6","6","4","1","4","7","1") = "6"
    & skf21("4","6","6","4","1","5","1","1") = "5"
    & skf21("4","6","6","4","1","5","2","1") = "5"
    & skf21("4","6","6","4","1","5","3","1") = "5"
    & skf21("4","6","6","4","1","5","4","1") = "5"
    & skf21("4","6","6","4","1","5","5","1") = "5"
    & skf21("4","6","6","4","1","5","6","1") = "5"
    & skf21("4","6","6","4","1","5","7","1") = "6"
    & skf21("4","6","6","4","1","6","1","1") = "5"
    & skf21("4","6","6","4","1","6","2","1") = "5"
    & skf21("4","6","6","4","1","6","3","1") = "5"
    & skf21("4","6","6","4","1","6","4","1") = "5"
    & skf21("4","6","6","4","1","6","5","1") = "5"
    & skf21("4","6","6","4","1","6","6","1") = "5"
    & skf21("4","6","6","4","1","6","7","1") = "6"
    & skf21("4","6","6","4","1","7","1","1") = "6"
    & skf21("4","6","6","4","1","7","2","1") = "6"
    & skf21("4","6","6","4","1","7","3","1") = "6"
    & skf21("4","6","6","4","1","7","4","1") = "6"
    & skf21("4","6","6","4","1","7","5","1") = "6"
    & skf21("4","6","6","4","1","7","6","1") = "6"
    & skf21("4","6","6","4","1","7","7","1") = "6"
    & skf21("4","6","6","4","2","1","1","1") = "5"
    & skf21("4","6","6","4","2","1","2","1") = "5"
    & skf21("4","6","6","4","2","1","3","1") = "5"
    & skf21("4","6","6","4","2","1","4","1") = "5"
    & skf21("4","6","6","4","2","1","5","1") = "5"
    & skf21("4","6","6","4","2","1","6","1") = "5"
    & skf21("4","6","6","4","2","1","7","1") = "6"
    & skf21("4","6","6","4","2","2","1","1") = "5"
    & skf21("4","6","6","4","2","2","2","1") = "5"
    & skf21("4","6","6","4","2","2","3","1") = "5"
    & skf21("4","6","6","4","2","2","4","1") = "5"
    & skf21("4","6","6","4","2","2","5","1") = "5"
    & skf21("4","6","6","4","2","2","6","1") = "5"
    & skf21("4","6","6","4","2","2","7","1") = "6"
    & skf21("4","6","6","4","2","3","1","1") = "5"
    & skf21("4","6","6","4","2","3","2","1") = "5"
    & skf21("4","6","6","4","2","3","3","1") = "5"
    & skf21("4","6","6","4","2","3","4","1") = "5"
    & skf21("4","6","6","4","2","3","5","1") = "5"
    & skf21("4","6","6","4","2","3","6","1") = "5"
    & skf21("4","6","6","4","2","3","7","1") = "6"
    & skf21("4","6","6","4","2","4","1","1") = "5"
    & skf21("4","6","6","4","2","4","2","1") = "5"
    & skf21("4","6","6","4","2","4","3","1") = "5"
    & skf21("4","6","6","4","2","4","4","1") = "5"
    & skf21("4","6","6","4","2","4","5","1") = "5"
    & skf21("4","6","6","4","2","4","6","1") = "5"
    & skf21("4","6","6","4","2","4","7","1") = "6"
    & skf21("4","6","6","4","2","5","1","1") = "5"
    & skf21("4","6","6","4","2","5","2","1") = "5"
    & skf21("4","6","6","4","2","5","3","1") = "5"
    & skf21("4","6","6","4","2","5","4","1") = "5"
    & skf21("4","6","6","4","2","5","5","1") = "5"
    & skf21("4","6","6","4","2","5","6","1") = "5"
    & skf21("4","6","6","4","2","5","7","1") = "6"
    & skf21("4","6","6","4","2","6","1","1") = "5"
    & skf21("4","6","6","4","2","6","2","1") = "5"
    & skf21("4","6","6","4","2","6","3","1") = "5"
    & skf21("4","6","6","4","2","6","4","1") = "5"
    & skf21("4","6","6","4","2","6","5","1") = "5"
    & skf21("4","6","6","4","2","6","6","1") = "5"
    & skf21("4","6","6","4","2","6","7","1") = "6"
    & skf21("4","6","6","4","2","7","1","1") = "6"
    & skf21("4","6","6","4","2","7","2","1") = "6"
    & skf21("4","6","6","4","2","7","3","1") = "6"
    & skf21("4","6","6","4","2","7","4","1") = "6"
    & skf21("4","6","6","4","2","7","5","1") = "6"
    & skf21("4","6","6","4","2","7","6","1") = "6"
    & skf21("4","6","6","4","2","7","7","1") = "6"
    & skf21("4","6","6","4","3","1","1","1") = "5"
    & skf21("4","6","6","4","3","1","2","1") = "5"
    & skf21("4","6","6","4","3","1","3","1") = "5"
    & skf21("4","6","6","4","3","1","4","1") = "5"
    & skf21("4","6","6","4","3","1","5","1") = "5"
    & skf21("4","6","6","4","3","1","6","1") = "5"
    & skf21("4","6","6","4","3","1","7","1") = "6"
    & skf21("4","6","6","4","3","2","1","1") = "5"
    & skf21("4","6","6","4","3","2","2","1") = "5"
    & skf21("4","6","6","4","3","2","3","1") = "5"
    & skf21("4","6","6","4","3","2","4","1") = "5"
    & skf21("4","6","6","4","3","2","5","1") = "5"
    & skf21("4","6","6","4","3","2","6","1") = "5"
    & skf21("4","6","6","4","3","2","7","1") = "6"
    & skf21("4","6","6","4","3","3","1","1") = "5"
    & skf21("4","6","6","4","3","3","2","1") = "5"
    & skf21("4","6","6","4","3","3","3","1") = "5"
    & skf21("4","6","6","4","3","3","4","1") = "5"
    & skf21("4","6","6","4","3","3","5","1") = "5"
    & skf21("4","6","6","4","3","3","6","1") = "5"
    & skf21("4","6","6","4","3","3","7","1") = "6"
    & skf21("4","6","6","4","3","4","1","1") = "5"
    & skf21("4","6","6","4","3","4","2","1") = "5"
    & skf21("4","6","6","4","3","4","3","1") = "5"
    & skf21("4","6","6","4","3","4","4","1") = "5"
    & skf21("4","6","6","4","3","4","5","1") = "5"
    & skf21("4","6","6","4","3","4","6","1") = "5"
    & skf21("4","6","6","4","3","4","7","1") = "6"
    & skf21("4","6","6","4","3","5","1","1") = "5"
    & skf21("4","6","6","4","3","5","2","1") = "5"
    & skf21("4","6","6","4","3","5","3","1") = "5"
    & skf21("4","6","6","4","3","5","4","1") = "5"
    & skf21("4","6","6","4","3","5","5","1") = "5"
    & skf21("4","6","6","4","3","5","6","1") = "5"
    & skf21("4","6","6","4","3","5","7","1") = "6"
    & skf21("4","6","6","4","3","6","1","1") = "5"
    & skf21("4","6","6","4","3","6","2","1") = "5"
    & skf21("4","6","6","4","3","6","3","1") = "5"
    & skf21("4","6","6","4","3","6","4","1") = "5"
    & skf21("4","6","6","4","3","6","5","1") = "5"
    & skf21("4","6","6","4","3","6","6","1") = "5"
    & skf21("4","6","6","4","3","6","7","1") = "6"
    & skf21("4","6","6","4","3","7","1","1") = "6"
    & skf21("4","6","6","4","3","7","2","1") = "6"
    & skf21("4","6","6","4","3","7","3","1") = "6"
    & skf21("4","6","6","4","3","7","4","1") = "6"
    & skf21("4","6","6","4","3","7","5","1") = "6"
    & skf21("4","6","6","4","3","7","6","1") = "6"
    & skf21("4","6","6","4","3","7","7","1") = "6"
    & skf21("4","6","6","4","4","1","1","1") = "5"
    & skf21("4","6","6","4","4","1","2","1") = "5"
    & skf21("4","6","6","4","4","1","3","1") = "5"
    & skf21("4","6","6","4","4","1","4","1") = "5"
    & skf21("4","6","6","4","4","1","5","1") = "5"
    & skf21("4","6","6","4","4","1","6","1") = "5"
    & skf21("4","6","6","4","4","1","7","1") = "6"
    & skf21("4","6","6","4","4","2","1","1") = "5"
    & skf21("4","6","6","4","4","2","2","1") = "5"
    & skf21("4","6","6","4","4","2","3","1") = "5"
    & skf21("4","6","6","4","4","2","4","1") = "5"
    & skf21("4","6","6","4","4","2","5","1") = "5"
    & skf21("4","6","6","4","4","2","6","1") = "5"
    & skf21("4","6","6","4","4","2","7","1") = "6"
    & skf21("4","6","6","4","4","3","1","1") = "5"
    & skf21("4","6","6","4","4","3","2","1") = "5"
    & skf21("4","6","6","4","4","3","3","1") = "5"
    & skf21("4","6","6","4","4","3","4","1") = "5"
    & skf21("4","6","6","4","4","3","5","1") = "5"
    & skf21("4","6","6","4","4","3","6","1") = "5"
    & skf21("4","6","6","4","4","3","7","1") = "6"
    & skf21("4","6","6","4","4","4","1","1") = "5"
    & skf21("4","6","6","4","4","4","2","1") = "5"
    & skf21("4","6","6","4","4","4","3","1") = "5"
    & skf21("4","6","6","4","4","4","4","1") = "5"
    & skf21("4","6","6","4","4","4","5","1") = "5"
    & skf21("4","6","6","4","4","4","6","1") = "5"
    & skf21("4","6","6","4","4","4","7","1") = "6"
    & skf21("4","6","6","4","4","5","1","1") = "5"
    & skf21("4","6","6","4","4","5","2","1") = "5"
    & skf21("4","6","6","4","4","5","3","1") = "5"
    & skf21("4","6","6","4","4","5","4","1") = "5"
    & skf21("4","6","6","4","4","5","5","1") = "5"
    & skf21("4","6","6","4","4","5","6","1") = "5"
    & skf21("4","6","6","4","4","5","7","1") = "6"
    & skf21("4","6","6","4","4","6","1","1") = "5"
    & skf21("4","6","6","4","4","6","2","1") = "5"
    & skf21("4","6","6","4","4","6","3","1") = "5"
    & skf21("4","6","6","4","4","6","4","1") = "5"
    & skf21("4","6","6","4","4","6","5","1") = "5"
    & skf21("4","6","6","4","4","6","6","1") = "5"
    & skf21("4","6","6","4","4","6","7","1") = "6"
    & skf21("4","6","6","4","4","7","1","1") = "6"
    & skf21("4","6","6","4","4","7","2","1") = "6"
    & skf21("4","6","6","4","4","7","3","1") = "6"
    & skf21("4","6","6","4","4","7","4","1") = "6"
    & skf21("4","6","6","4","4","7","5","1") = "6"
    & skf21("4","6","6","4","4","7","6","1") = "6"
    & skf21("4","6","6","4","4","7","7","1") = "6"
    & skf21("4","6","6","4","5","1","1","1") = "5"
    & skf21("4","6","6","4","5","1","2","1") = "5"
    & skf21("4","6","6","4","5","1","3","1") = "5"
    & skf21("4","6","6","4","5","1","4","1") = "5"
    & skf21("4","6","6","4","5","1","5","1") = "5"
    & skf21("4","6","6","4","5","1","6","1") = "5"
    & skf21("4","6","6","4","5","1","7","1") = "6"
    & skf21("4","6","6","4","5","2","1","1") = "5"
    & skf21("4","6","6","4","5","2","2","1") = "5"
    & skf21("4","6","6","4","5","2","3","1") = "5"
    & skf21("4","6","6","4","5","2","4","1") = "5"
    & skf21("4","6","6","4","5","2","5","1") = "5"
    & skf21("4","6","6","4","5","2","6","1") = "5"
    & skf21("4","6","6","4","5","2","7","1") = "6"
    & skf21("4","6","6","4","5","3","1","1") = "5"
    & skf21("4","6","6","4","5","3","2","1") = "5"
    & skf21("4","6","6","4","5","3","3","1") = "5"
    & skf21("4","6","6","4","5","3","4","1") = "5"
    & skf21("4","6","6","4","5","3","5","1") = "5"
    & skf21("4","6","6","4","5","3","6","1") = "5"
    & skf21("4","6","6","4","5","3","7","1") = "6"
    & skf21("4","6","6","4","5","4","1","1") = "5"
    & skf21("4","6","6","4","5","4","2","1") = "5"
    & skf21("4","6","6","4","5","4","3","1") = "5"
    & skf21("4","6","6","4","5","4","4","1") = "5"
    & skf21("4","6","6","4","5","4","5","1") = "5"
    & skf21("4","6","6","4","5","4","6","1") = "5"
    & skf21("4","6","6","4","5","4","7","1") = "6"
    & skf21("4","6","6","4","5","5","1","1") = "5"
    & skf21("4","6","6","4","5","5","2","1") = "5"
    & skf21("4","6","6","4","5","5","3","1") = "5"
    & skf21("4","6","6","4","5","5","4","1") = "5"
    & skf21("4","6","6","4","5","5","5","1") = "5"
    & skf21("4","6","6","4","5","5","6","1") = "5"
    & skf21("4","6","6","4","5","5","7","1") = "6"
    & skf21("4","6","6","4","5","6","1","1") = "5"
    & skf21("4","6","6","4","5","6","2","1") = "5"
    & skf21("4","6","6","4","5","6","3","1") = "5"
    & skf21("4","6","6","4","5","6","4","1") = "5"
    & skf21("4","6","6","4","5","6","5","1") = "5"
    & skf21("4","6","6","4","5","6","6","1") = "5"
    & skf21("4","6","6","4","5","6","7","1") = "6"
    & skf21("4","6","6","4","5","7","1","1") = "6"
    & skf21("4","6","6","4","5","7","2","1") = "6"
    & skf21("4","6","6","4","5","7","3","1") = "6"
    & skf21("4","6","6","4","5","7","4","1") = "6"
    & skf21("4","6","6","4","5","7","5","1") = "6"
    & skf21("4","6","6","4","5","7","6","1") = "6"
    & skf21("4","6","6","4","5","7","7","1") = "6"
    & skf21("4","6","6","4","6","1","1","1") = "5"
    & skf21("4","6","6","4","6","1","2","1") = "5"
    & skf21("4","6","6","4","6","1","3","1") = "5"
    & skf21("4","6","6","4","6","1","4","1") = "5"
    & skf21("4","6","6","4","6","1","5","1") = "5"
    & skf21("4","6","6","4","6","1","6","1") = "5"
    & skf21("4","6","6","4","6","1","7","1") = "6"
    & skf21("4","6","6","4","6","2","1","1") = "5"
    & skf21("4","6","6","4","6","2","2","1") = "5"
    & skf21("4","6","6","4","6","2","3","1") = "5"
    & skf21("4","6","6","4","6","2","4","1") = "5"
    & skf21("4","6","6","4","6","2","5","1") = "5"
    & skf21("4","6","6","4","6","2","6","1") = "5"
    & skf21("4","6","6","4","6","2","7","1") = "6"
    & skf21("4","6","6","4","6","3","1","1") = "5"
    & skf21("4","6","6","4","6","3","2","1") = "5"
    & skf21("4","6","6","4","6","3","3","1") = "5"
    & skf21("4","6","6","4","6","3","4","1") = "5"
    & skf21("4","6","6","4","6","3","5","1") = "5"
    & skf21("4","6","6","4","6","3","6","1") = "5"
    & skf21("4","6","6","4","6","3","7","1") = "6"
    & skf21("4","6","6","4","6","4","1","1") = "5"
    & skf21("4","6","6","4","6","4","2","1") = "5"
    & skf21("4","6","6","4","6","4","3","1") = "5"
    & skf21("4","6","6","4","6","4","4","1") = "5"
    & skf21("4","6","6","4","6","4","5","1") = "5"
    & skf21("4","6","6","4","6","4","6","1") = "5"
    & skf21("4","6","6","4","6","4","7","1") = "6"
    & skf21("4","6","6","4","6","5","1","1") = "5"
    & skf21("4","6","6","4","6","5","2","1") = "5"
    & skf21("4","6","6","4","6","5","3","1") = "5"
    & skf21("4","6","6","4","6","5","4","1") = "5"
    & skf21("4","6","6","4","6","5","5","1") = "5"
    & skf21("4","6","6","4","6","5","6","1") = "5"
    & skf21("4","6","6","4","6","5","7","1") = "6"
    & skf21("4","6","6","4","6","6","1","1") = "5"
    & skf21("4","6","6","4","6","6","2","1") = "5"
    & skf21("4","6","6","4","6","6","3","1") = "5"
    & skf21("4","6","6","4","6","6","4","1") = "5"
    & skf21("4","6","6","4","6","6","5","1") = "5"
    & skf21("4","6","6","4","6","6","6","1") = "5"
    & skf21("4","6","6","4","6","6","7","1") = "6"
    & skf21("4","6","6","4","6","7","1","1") = "6"
    & skf21("4","6","6","4","6","7","2","1") = "6"
    & skf21("4","6","6","4","6","7","3","1") = "6"
    & skf21("4","6","6","4","6","7","4","1") = "6"
    & skf21("4","6","6","4","6","7","5","1") = "6"
    & skf21("4","6","6","4","6","7","6","1") = "6"
    & skf21("4","6","6","4","6","7","7","1") = "6"
    & skf21("4","6","6","4","7","1","1","1") = "6"
    & skf21("4","6","6","4","7","1","2","1") = "6"
    & skf21("4","6","6","4","7","1","3","1") = "6"
    & skf21("4","6","6","4","7","1","4","1") = "6"
    & skf21("4","6","6","4","7","1","5","1") = "6"
    & skf21("4","6","6","4","7","1","6","1") = "6"
    & skf21("4","6","6","4","7","1","7","1") = "6"
    & skf21("4","6","6","4","7","2","1","1") = "6"
    & skf21("4","6","6","4","7","2","2","1") = "6"
    & skf21("4","6","6","4","7","2","3","1") = "6"
    & skf21("4","6","6","4","7","2","4","1") = "6"
    & skf21("4","6","6","4","7","2","5","1") = "6"
    & skf21("4","6","6","4","7","2","6","1") = "6"
    & skf21("4","6","6","4","7","2","7","1") = "6"
    & skf21("4","6","6","4","7","3","1","1") = "6"
    & skf21("4","6","6","4","7","3","2","1") = "6"
    & skf21("4","6","6","4","7","3","3","1") = "6"
    & skf21("4","6","6","4","7","3","4","1") = "6"
    & skf21("4","6","6","4","7","3","5","1") = "6"
    & skf21("4","6","6","4","7","3","6","1") = "6"
    & skf21("4","6","6","4","7","3","7","1") = "6"
    & skf21("4","6","6","4","7","4","1","1") = "6"
    & skf21("4","6","6","4","7","4","2","1") = "6"
    & skf21("4","6","6","4","7","4","3","1") = "6"
    & skf21("4","6","6","4","7","4","4","1") = "6"
    & skf21("4","6","6","4","7","4","5","1") = "6"
    & skf21("4","6","6","4","7","4","6","1") = "6"
    & skf21("4","6","6","4","7","4","7","1") = "6"
    & skf21("4","6","6","4","7","5","1","1") = "6"
    & skf21("4","6","6","4","7","5","2","1") = "6"
    & skf21("4","6","6","4","7","5","3","1") = "6"
    & skf21("4","6","6","4","7","5","4","1") = "6"
    & skf21("4","6","6","4","7","5","5","1") = "6"
    & skf21("4","6","6","4","7","5","6","1") = "6"
    & skf21("4","6","6","4","7","5","7","1") = "6"
    & skf21("4","6","6","4","7","6","1","1") = "6"
    & skf21("4","6","6","4","7","6","2","1") = "6"
    & skf21("4","6","6","4","7","6","3","1") = "6"
    & skf21("4","6","6","4","7","6","4","1") = "6"
    & skf21("4","6","6","4","7","6","5","1") = "6"
    & skf21("4","6","6","4","7","6","6","1") = "6"
    & skf21("4","6","6","4","7","6","7","1") = "6"
    & skf21("4","6","6","4","7","7","1","1") = "6"
    & skf21("4","6","6","4","7","7","2","1") = "6"
    & skf21("4","6","6","4","7","7","3","1") = "6"
    & skf21("4","6","6","4","7","7","4","1") = "6"
    & skf21("4","6","6","4","7","7","5","1") = "6"
    & skf21("4","6","6","4","7","7","6","1") = "6"
    & skf21("4","6","6","4","7","7","7","1") = "6"
    & skf21("4","6","6","5","1","1","1","1") = "5"
    & skf21("4","6","6","5","1","1","2","1") = "5"
    & skf21("4","6","6","5","1","1","3","1") = "5"
    & skf21("4","6","6","5","1","1","4","1") = "5"
    & skf21("4","6","6","5","1","1","5","1") = "5"
    & skf21("4","6","6","5","1","1","6","1") = "5"
    & skf21("4","6","6","5","1","1","7","1") = "6"
    & skf21("4","6","6","5","1","2","1","1") = "5"
    & skf21("4","6","6","5","1","2","2","1") = "5"
    & skf21("4","6","6","5","1","2","3","1") = "5"
    & skf21("4","6","6","5","1","2","4","1") = "5"
    & skf21("4","6","6","5","1","2","5","1") = "5"
    & skf21("4","6","6","5","1","2","6","1") = "5"
    & skf21("4","6","6","5","1","2","7","1") = "6"
    & skf21("4","6","6","5","1","3","1","1") = "5"
    & skf21("4","6","6","5","1","3","2","1") = "5"
    & skf21("4","6","6","5","1","3","3","1") = "5"
    & skf21("4","6","6","5","1","3","4","1") = "5"
    & skf21("4","6","6","5","1","3","5","1") = "5"
    & skf21("4","6","6","5","1","3","6","1") = "5"
    & skf21("4","6","6","5","1","3","7","1") = "6"
    & skf21("4","6","6","5","1","4","1","1") = "5"
    & skf21("4","6","6","5","1","4","2","1") = "5"
    & skf21("4","6","6","5","1","4","3","1") = "5"
    & skf21("4","6","6","5","1","4","4","1") = "5"
    & skf21("4","6","6","5","1","4","5","1") = "5"
    & skf21("4","6","6","5","1","4","6","1") = "5"
    & skf21("4","6","6","5","1","4","7","1") = "6"
    & skf21("4","6","6","5","1","5","1","1") = "5"
    & skf21("4","6","6","5","1","5","2","1") = "5"
    & skf21("4","6","6","5","1","5","3","1") = "5"
    & skf21("4","6","6","5","1","5","4","1") = "5"
    & skf21("4","6","6","5","1","5","5","1") = "5"
    & skf21("4","6","6","5","1","5","6","1") = "5"
    & skf21("4","6","6","5","1","5","7","1") = "6"
    & skf21("4","6","6","5","1","6","1","1") = "5"
    & skf21("4","6","6","5","1","6","2","1") = "5"
    & skf21("4","6","6","5","1","6","3","1") = "5"
    & skf21("4","6","6","5","1","6","4","1") = "5"
    & skf21("4","6","6","5","1","6","5","1") = "5"
    & skf21("4","6","6","5","1","6","6","1") = "5"
    & skf21("4","6","6","5","1","6","7","1") = "6"
    & skf21("4","6","6","5","1","7","1","1") = "6"
    & skf21("4","6","6","5","1","7","2","1") = "6"
    & skf21("4","6","6","5","1","7","3","1") = "6"
    & skf21("4","6","6","5","1","7","4","1") = "6"
    & skf21("4","6","6","5","1","7","5","1") = "6"
    & skf21("4","6","6","5","1","7","6","1") = "6"
    & skf21("4","6","6","5","1","7","7","1") = "6"
    & skf21("4","6","6","5","2","1","1","1") = "5"
    & skf21("4","6","6","5","2","1","2","1") = "5"
    & skf21("4","6","6","5","2","1","3","1") = "5"
    & skf21("4","6","6","5","2","1","4","1") = "5"
    & skf21("4","6","6","5","2","1","5","1") = "5"
    & skf21("4","6","6","5","2","1","6","1") = "5"
    & skf21("4","6","6","5","2","1","7","1") = "6"
    & skf21("4","6","6","5","2","2","1","1") = "5"
    & skf21("4","6","6","5","2","2","2","1") = "5"
    & skf21("4","6","6","5","2","2","3","1") = "5"
    & skf21("4","6","6","5","2","2","4","1") = "5"
    & skf21("4","6","6","5","2","2","5","1") = "5"
    & skf21("4","6","6","5","2","2","6","1") = "5"
    & skf21("4","6","6","5","2","2","7","1") = "6"
    & skf21("4","6","6","5","2","3","1","1") = "5"
    & skf21("4","6","6","5","2","3","2","1") = "5"
    & skf21("4","6","6","5","2","3","3","1") = "5"
    & skf21("4","6","6","5","2","3","4","1") = "5"
    & skf21("4","6","6","5","2","3","5","1") = "5"
    & skf21("4","6","6","5","2","3","6","1") = "5"
    & skf21("4","6","6","5","2","3","7","1") = "6"
    & skf21("4","6","6","5","2","4","1","1") = "5"
    & skf21("4","6","6","5","2","4","2","1") = "5"
    & skf21("4","6","6","5","2","4","3","1") = "5"
    & skf21("4","6","6","5","2","4","4","1") = "5"
    & skf21("4","6","6","5","2","4","5","1") = "5"
    & skf21("4","6","6","5","2","4","6","1") = "5"
    & skf21("4","6","6","5","2","4","7","1") = "6"
    & skf21("4","6","6","5","2","5","1","1") = "5"
    & skf21("4","6","6","5","2","5","2","1") = "5"
    & skf21("4","6","6","5","2","5","3","1") = "5"
    & skf21("4","6","6","5","2","5","4","1") = "5"
    & skf21("4","6","6","5","2","5","5","1") = "5"
    & skf21("4","6","6","5","2","5","6","1") = "5"
    & skf21("4","6","6","5","2","5","7","1") = "6"
    & skf21("4","6","6","5","2","6","1","1") = "5"
    & skf21("4","6","6","5","2","6","2","1") = "5"
    & skf21("4","6","6","5","2","6","3","1") = "5"
    & skf21("4","6","6","5","2","6","4","1") = "5"
    & skf21("4","6","6","5","2","6","5","1") = "5"
    & skf21("4","6","6","5","2","6","6","1") = "5"
    & skf21("4","6","6","5","2","6","7","1") = "6"
    & skf21("4","6","6","5","2","7","1","1") = "6"
    & skf21("4","6","6","5","2","7","2","1") = "6"
    & skf21("4","6","6","5","2","7","3","1") = "6"
    & skf21("4","6","6","5","2","7","4","1") = "6"
    & skf21("4","6","6","5","2","7","5","1") = "6"
    & skf21("4","6","6","5","2","7","6","1") = "6"
    & skf21("4","6","6","5","2","7","7","1") = "6"
    & skf21("4","6","6","5","3","1","1","1") = "5"
    & skf21("4","6","6","5","3","1","2","1") = "5"
    & skf21("4","6","6","5","3","1","3","1") = "5"
    & skf21("4","6","6","5","3","1","4","1") = "5"
    & skf21("4","6","6","5","3","1","5","1") = "5"
    & skf21("4","6","6","5","3","1","6","1") = "5"
    & skf21("4","6","6","5","3","1","7","1") = "6"
    & skf21("4","6","6","5","3","2","1","1") = "5"
    & skf21("4","6","6","5","3","2","2","1") = "5"
    & skf21("4","6","6","5","3","2","3","1") = "5"
    & skf21("4","6","6","5","3","2","4","1") = "5"
    & skf21("4","6","6","5","3","2","5","1") = "5"
    & skf21("4","6","6","5","3","2","6","1") = "5"
    & skf21("4","6","6","5","3","2","7","1") = "6"
    & skf21("4","6","6","5","3","3","1","1") = "5"
    & skf21("4","6","6","5","3","3","2","1") = "5"
    & skf21("4","6","6","5","3","3","3","1") = "5"
    & skf21("4","6","6","5","3","3","4","1") = "5"
    & skf21("4","6","6","5","3","3","5","1") = "5"
    & skf21("4","6","6","5","3","3","6","1") = "5"
    & skf21("4","6","6","5","3","3","7","1") = "6"
    & skf21("4","6","6","5","3","4","1","1") = "5"
    & skf21("4","6","6","5","3","4","2","1") = "5"
    & skf21("4","6","6","5","3","4","3","1") = "5"
    & skf21("4","6","6","5","3","4","4","1") = "5"
    & skf21("4","6","6","5","3","4","5","1") = "5"
    & skf21("4","6","6","5","3","4","6","1") = "5"
    & skf21("4","6","6","5","3","4","7","1") = "6"
    & skf21("4","6","6","5","3","5","1","1") = "5"
    & skf21("4","6","6","5","3","5","2","1") = "5"
    & skf21("4","6","6","5","3","5","3","1") = "5"
    & skf21("4","6","6","5","3","5","4","1") = "5"
    & skf21("4","6","6","5","3","5","5","1") = "5"
    & skf21("4","6","6","5","3","5","6","1") = "5"
    & skf21("4","6","6","5","3","5","7","1") = "6"
    & skf21("4","6","6","5","3","6","1","1") = "5"
    & skf21("4","6","6","5","3","6","2","1") = "5"
    & skf21("4","6","6","5","3","6","3","1") = "5"
    & skf21("4","6","6","5","3","6","4","1") = "5"
    & skf21("4","6","6","5","3","6","5","1") = "5"
    & skf21("4","6","6","5","3","6","6","1") = "5"
    & skf21("4","6","6","5","3","6","7","1") = "6"
    & skf21("4","6","6","5","3","7","1","1") = "6"
    & skf21("4","6","6","5","3","7","2","1") = "6"
    & skf21("4","6","6","5","3","7","3","1") = "6"
    & skf21("4","6","6","5","3","7","4","1") = "6"
    & skf21("4","6","6","5","3","7","5","1") = "6"
    & skf21("4","6","6","5","3","7","6","1") = "6"
    & skf21("4","6","6","5","3","7","7","1") = "6"
    & skf21("4","6","6","5","4","1","1","1") = "5"
    & skf21("4","6","6","5","4","1","2","1") = "5"
    & skf21("4","6","6","5","4","1","3","1") = "5"
    & skf21("4","6","6","5","4","1","4","1") = "5"
    & skf21("4","6","6","5","4","1","5","1") = "5"
    & skf21("4","6","6","5","4","1","6","1") = "5"
    & skf21("4","6","6","5","4","1","7","1") = "6"
    & skf21("4","6","6","5","4","2","1","1") = "5"
    & skf21("4","6","6","5","4","2","2","1") = "5"
    & skf21("4","6","6","5","4","2","3","1") = "5"
    & skf21("4","6","6","5","4","2","4","1") = "5"
    & skf21("4","6","6","5","4","2","5","1") = "5"
    & skf21("4","6","6","5","4","2","6","1") = "5"
    & skf21("4","6","6","5","4","2","7","1") = "6"
    & skf21("4","6","6","5","4","3","1","1") = "5"
    & skf21("4","6","6","5","4","3","2","1") = "5"
    & skf21("4","6","6","5","4","3","3","1") = "5"
    & skf21("4","6","6","5","4","3","4","1") = "5"
    & skf21("4","6","6","5","4","3","5","1") = "5"
    & skf21("4","6","6","5","4","3","6","1") = "5"
    & skf21("4","6","6","5","4","3","7","1") = "6"
    & skf21("4","6","6","5","4","4","1","1") = "5"
    & skf21("4","6","6","5","4","4","2","1") = "5"
    & skf21("4","6","6","5","4","4","3","1") = "5"
    & skf21("4","6","6","5","4","4","4","1") = "5"
    & skf21("4","6","6","5","4","4","5","1") = "5"
    & skf21("4","6","6","5","4","4","6","1") = "5"
    & skf21("4","6","6","5","4","4","7","1") = "6"
    & skf21("4","6","6","5","4","5","1","1") = "5"
    & skf21("4","6","6","5","4","5","2","1") = "5"
    & skf21("4","6","6","5","4","5","3","1") = "5"
    & skf21("4","6","6","5","4","5","4","1") = "5"
    & skf21("4","6","6","5","4","5","5","1") = "5"
    & skf21("4","6","6","5","4","5","6","1") = "5"
    & skf21("4","6","6","5","4","5","7","1") = "6"
    & skf21("4","6","6","5","4","6","1","1") = "5"
    & skf21("4","6","6","5","4","6","2","1") = "5"
    & skf21("4","6","6","5","4","6","3","1") = "5"
    & skf21("4","6","6","5","4","6","4","1") = "5"
    & skf21("4","6","6","5","4","6","5","1") = "5"
    & skf21("4","6","6","5","4","6","6","1") = "5"
    & skf21("4","6","6","5","4","6","7","1") = "6"
    & skf21("4","6","6","5","4","7","1","1") = "6"
    & skf21("4","6","6","5","4","7","2","1") = "6"
    & skf21("4","6","6","5","4","7","3","1") = "6"
    & skf21("4","6","6","5","4","7","4","1") = "6"
    & skf21("4","6","6","5","4","7","5","1") = "6"
    & skf21("4","6","6","5","4","7","6","1") = "6"
    & skf21("4","6","6","5","4","7","7","1") = "6"
    & skf21("4","6","6","5","5","1","1","1") = "5"
    & skf21("4","6","6","5","5","1","2","1") = "5"
    & skf21("4","6","6","5","5","1","3","1") = "5"
    & skf21("4","6","6","5","5","1","4","1") = "5"
    & skf21("4","6","6","5","5","1","5","1") = "5"
    & skf21("4","6","6","5","5","1","6","1") = "5"
    & skf21("4","6","6","5","5","1","7","1") = "6"
    & skf21("4","6","6","5","5","2","1","1") = "5"
    & skf21("4","6","6","5","5","2","2","1") = "5"
    & skf21("4","6","6","5","5","2","3","1") = "5"
    & skf21("4","6","6","5","5","2","4","1") = "5"
    & skf21("4","6","6","5","5","2","5","1") = "5"
    & skf21("4","6","6","5","5","2","6","1") = "5"
    & skf21("4","6","6","5","5","2","7","1") = "6"
    & skf21("4","6","6","5","5","3","1","1") = "5"
    & skf21("4","6","6","5","5","3","2","1") = "5"
    & skf21("4","6","6","5","5","3","3","1") = "5"
    & skf21("4","6","6","5","5","3","4","1") = "5"
    & skf21("4","6","6","5","5","3","5","1") = "5"
    & skf21("4","6","6","5","5","3","6","1") = "5"
    & skf21("4","6","6","5","5","3","7","1") = "6"
    & skf21("4","6","6","5","5","4","1","1") = "5"
    & skf21("4","6","6","5","5","4","2","1") = "5"
    & skf21("4","6","6","5","5","4","3","1") = "5"
    & skf21("4","6","6","5","5","4","4","1") = "5"
    & skf21("4","6","6","5","5","4","5","1") = "5"
    & skf21("4","6","6","5","5","4","6","1") = "5"
    & skf21("4","6","6","5","5","4","7","1") = "6"
    & skf21("4","6","6","5","5","5","1","1") = "5"
    & skf21("4","6","6","5","5","5","2","1") = "5"
    & skf21("4","6","6","5","5","5","3","1") = "5"
    & skf21("4","6","6","5","5","5","4","1") = "5"
    & skf21("4","6","6","5","5","5","5","1") = "5"
    & skf21("4","6","6","5","5","5","6","1") = "5"
    & skf21("4","6","6","5","5","5","7","1") = "6"
    & skf21("4","6","6","5","5","6","1","1") = "5"
    & skf21("4","6","6","5","5","6","2","1") = "5"
    & skf21("4","6","6","5","5","6","3","1") = "5"
    & skf21("4","6","6","5","5","6","4","1") = "5"
    & skf21("4","6","6","5","5","6","5","1") = "5"
    & skf21("4","6","6","5","5","6","6","1") = "5"
    & skf21("4","6","6","5","5","6","7","1") = "6"
    & skf21("4","6","6","5","5","7","1","1") = "6"
    & skf21("4","6","6","5","5","7","2","1") = "6"
    & skf21("4","6","6","5","5","7","3","1") = "6"
    & skf21("4","6","6","5","5","7","4","1") = "6"
    & skf21("4","6","6","5","5","7","5","1") = "6"
    & skf21("4","6","6","5","5","7","6","1") = "6"
    & skf21("4","6","6","5","5","7","7","1") = "6"
    & skf21("4","6","6","5","6","1","1","1") = "5"
    & skf21("4","6","6","5","6","1","2","1") = "5"
    & skf21("4","6","6","5","6","1","3","1") = "5"
    & skf21("4","6","6","5","6","1","4","1") = "5"
    & skf21("4","6","6","5","6","1","5","1") = "5"
    & skf21("4","6","6","5","6","1","6","1") = "5"
    & skf21("4","6","6","5","6","1","7","1") = "6"
    & skf21("4","6","6","5","6","2","1","1") = "5"
    & skf21("4","6","6","5","6","2","2","1") = "5"
    & skf21("4","6","6","5","6","2","3","1") = "5"
    & skf21("4","6","6","5","6","2","4","1") = "5"
    & skf21("4","6","6","5","6","2","5","1") = "5"
    & skf21("4","6","6","5","6","2","6","1") = "5"
    & skf21("4","6","6","5","6","2","7","1") = "6"
    & skf21("4","6","6","5","6","3","1","1") = "5"
    & skf21("4","6","6","5","6","3","2","1") = "5"
    & skf21("4","6","6","5","6","3","3","1") = "5"
    & skf21("4","6","6","5","6","3","4","1") = "5"
    & skf21("4","6","6","5","6","3","5","1") = "5"
    & skf21("4","6","6","5","6","3","6","1") = "5"
    & skf21("4","6","6","5","6","3","7","1") = "6"
    & skf21("4","6","6","5","6","4","1","1") = "5"
    & skf21("4","6","6","5","6","4","2","1") = "5"
    & skf21("4","6","6","5","6","4","3","1") = "5"
    & skf21("4","6","6","5","6","4","4","1") = "5"
    & skf21("4","6","6","5","6","4","5","1") = "5"
    & skf21("4","6","6","5","6","4","6","1") = "5"
    & skf21("4","6","6","5","6","4","7","1") = "6"
    & skf21("4","6","6","5","6","5","1","1") = "5"
    & skf21("4","6","6","5","6","5","2","1") = "5"
    & skf21("4","6","6","5","6","5","3","1") = "5"
    & skf21("4","6","6","5","6","5","4","1") = "5"
    & skf21("4","6","6","5","6","5","5","1") = "5"
    & skf21("4","6","6","5","6","5","6","1") = "5"
    & skf21("4","6","6","5","6","5","7","1") = "6"
    & skf21("4","6","6","5","6","6","1","1") = "5"
    & skf21("4","6","6","5","6","6","2","1") = "5"
    & skf21("4","6","6","5","6","6","3","1") = "5"
    & skf21("4","6","6","5","6","6","4","1") = "5"
    & skf21("4","6","6","5","6","6","5","1") = "5"
    & skf21("4","6","6","5","6","6","6","1") = "5"
    & skf21("4","6","6","5","6","6","7","1") = "6"
    & skf21("4","6","6","5","6","7","1","1") = "6"
    & skf21("4","6","6","5","6","7","2","1") = "6"
    & skf21("4","6","6","5","6","7","3","1") = "6"
    & skf21("4","6","6","5","6","7","4","1") = "6"
    & skf21("4","6","6","5","6","7","5","1") = "6"
    & skf21("4","6","6","5","6","7","6","1") = "6"
    & skf21("4","6","6","5","6","7","7","1") = "6"
    & skf21("4","6","6","5","7","1","1","1") = "6"
    & skf21("4","6","6","5","7","1","2","1") = "6"
    & skf21("4","6","6","5","7","1","3","1") = "6"
    & skf21("4","6","6","5","7","1","4","1") = "6"
    & skf21("4","6","6","5","7","1","5","1") = "6"
    & skf21("4","6","6","5","7","1","6","1") = "6"
    & skf21("4","6","6","5","7","1","7","1") = "6"
    & skf21("4","6","6","5","7","2","1","1") = "6"
    & skf21("4","6","6","5","7","2","2","1") = "6"
    & skf21("4","6","6","5","7","2","3","1") = "6"
    & skf21("4","6","6","5","7","2","4","1") = "6"
    & skf21("4","6","6","5","7","2","5","1") = "6"
    & skf21("4","6","6","5","7","2","6","1") = "6"
    & skf21("4","6","6","5","7","2","7","1") = "6"
    & skf21("4","6","6","5","7","3","1","1") = "6"
    & skf21("4","6","6","5","7","3","2","1") = "6"
    & skf21("4","6","6","5","7","3","3","1") = "6"
    & skf21("4","6","6","5","7","3","4","1") = "6"
    & skf21("4","6","6","5","7","3","5","1") = "6"
    & skf21("4","6","6","5","7","3","6","1") = "6"
    & skf21("4","6","6","5","7","3","7","1") = "6"
    & skf21("4","6","6","5","7","4","1","1") = "6"
    & skf21("4","6","6","5","7","4","2","1") = "6"
    & skf21("4","6","6","5","7","4","3","1") = "6"
    & skf21("4","6","6","5","7","4","4","1") = "6"
    & skf21("4","6","6","5","7","4","5","1") = "6"
    & skf21("4","6","6","5","7","4","6","1") = "6"
    & skf21("4","6","6","5","7","4","7","1") = "6"
    & skf21("4","6","6","5","7","5","1","1") = "6"
    & skf21("4","6","6","5","7","5","2","1") = "6"
    & skf21("4","6","6","5","7","5","3","1") = "6"
    & skf21("4","6","6","5","7","5","4","1") = "6"
    & skf21("4","6","6","5","7","5","5","1") = "6"
    & skf21("4","6","6","5","7","5","6","1") = "6"
    & skf21("4","6","6","5","7","5","7","1") = "6"
    & skf21("4","6","6","5","7","6","1","1") = "6"
    & skf21("4","6","6","5","7","6","2","1") = "6"
    & skf21("4","6","6","5","7","6","3","1") = "6"
    & skf21("4","6","6","5","7","6","4","1") = "6"
    & skf21("4","6","6","5","7","6","5","1") = "6"
    & skf21("4","6","6","5","7","6","6","1") = "6"
    & skf21("4","6","6","5","7","6","7","1") = "6"
    & skf21("4","6","6","5","7","7","1","1") = "6"
    & skf21("4","6","6","5","7","7","2","1") = "6"
    & skf21("4","6","6","5","7","7","3","1") = "6"
    & skf21("4","6","6","5","7","7","4","1") = "6"
    & skf21("4","6","6","5","7","7","5","1") = "6"
    & skf21("4","6","6","5","7","7","6","1") = "6"
    & skf21("4","6","6","5","7","7","7","1") = "6"
    & skf21("4","6","6","6","1","1","1","1") = "5"
    & skf21("4","6","6","6","1","1","2","1") = "5"
    & skf21("4","6","6","6","1","1","3","1") = "5"
    & skf21("4","6","6","6","1","1","4","1") = "5"
    & skf21("4","6","6","6","1","1","5","1") = "5"
    & skf21("4","6","6","6","1","1","6","1") = "5"
    & skf21("4","6","6","6","1","1","7","1") = "6"
    & skf21("4","6","6","6","1","2","1","1") = "5"
    & skf21("4","6","6","6","1","2","2","1") = "5"
    & skf21("4","6","6","6","1","2","3","1") = "5"
    & skf21("4","6","6","6","1","2","4","1") = "5"
    & skf21("4","6","6","6","1","2","5","1") = "5"
    & skf21("4","6","6","6","1","2","6","1") = "5"
    & skf21("4","6","6","6","1","2","7","1") = "6"
    & skf21("4","6","6","6","1","3","1","1") = "5"
    & skf21("4","6","6","6","1","3","2","1") = "5"
    & skf21("4","6","6","6","1","3","3","1") = "5"
    & skf21("4","6","6","6","1","3","4","1") = "5"
    & skf21("4","6","6","6","1","3","5","1") = "5"
    & skf21("4","6","6","6","1","3","6","1") = "5"
    & skf21("4","6","6","6","1","3","7","1") = "6"
    & skf21("4","6","6","6","1","4","1","1") = "5"
    & skf21("4","6","6","6","1","4","2","1") = "5"
    & skf21("4","6","6","6","1","4","3","1") = "5"
    & skf21("4","6","6","6","1","4","4","1") = "5"
    & skf21("4","6","6","6","1","4","5","1") = "5"
    & skf21("4","6","6","6","1","4","6","1") = "5"
    & skf21("4","6","6","6","1","4","7","1") = "6"
    & skf21("4","6","6","6","1","5","1","1") = "5"
    & skf21("4","6","6","6","1","5","2","1") = "5"
    & skf21("4","6","6","6","1","5","3","1") = "5"
    & skf21("4","6","6","6","1","5","4","1") = "5"
    & skf21("4","6","6","6","1","5","5","1") = "5"
    & skf21("4","6","6","6","1","5","6","1") = "5"
    & skf21("4","6","6","6","1","5","7","1") = "6"
    & skf21("4","6","6","6","1","6","1","1") = "5"
    & skf21("4","6","6","6","1","6","2","1") = "5"
    & skf21("4","6","6","6","1","6","3","1") = "5"
    & skf21("4","6","6","6","1","6","4","1") = "5"
    & skf21("4","6","6","6","1","6","5","1") = "5"
    & skf21("4","6","6","6","1","6","6","1") = "5"
    & skf21("4","6","6","6","1","6","7","1") = "6"
    & skf21("4","6","6","6","1","7","1","1") = "6"
    & skf21("4","6","6","6","1","7","2","1") = "6"
    & skf21("4","6","6","6","1","7","3","1") = "6"
    & skf21("4","6","6","6","1","7","4","1") = "6"
    & skf21("4","6","6","6","1","7","5","1") = "6"
    & skf21("4","6","6","6","1","7","6","1") = "6"
    & skf21("4","6","6","6","1","7","7","1") = "6"
    & skf21("4","6","6","6","2","1","1","1") = "5"
    & skf21("4","6","6","6","2","1","2","1") = "5"
    & skf21("4","6","6","6","2","1","3","1") = "5"
    & skf21("4","6","6","6","2","1","4","1") = "5"
    & skf21("4","6","6","6","2","1","5","1") = "5"
    & skf21("4","6","6","6","2","1","6","1") = "5"
    & skf21("4","6","6","6","2","1","7","1") = "6"
    & skf21("4","6","6","6","2","2","1","1") = "5"
    & skf21("4","6","6","6","2","2","2","1") = "5"
    & skf21("4","6","6","6","2","2","3","1") = "5"
    & skf21("4","6","6","6","2","2","4","1") = "5"
    & skf21("4","6","6","6","2","2","5","1") = "5"
    & skf21("4","6","6","6","2","2","6","1") = "5"
    & skf21("4","6","6","6","2","2","7","1") = "6"
    & skf21("4","6","6","6","2","3","1","1") = "5"
    & skf21("4","6","6","6","2","3","2","1") = "5"
    & skf21("4","6","6","6","2","3","3","1") = "5"
    & skf21("4","6","6","6","2","3","4","1") = "5"
    & skf21("4","6","6","6","2","3","5","1") = "5"
    & skf21("4","6","6","6","2","3","6","1") = "5"
    & skf21("4","6","6","6","2","3","7","1") = "6"
    & skf21("4","6","6","6","2","4","1","1") = "5"
    & skf21("4","6","6","6","2","4","2","1") = "5"
    & skf21("4","6","6","6","2","4","3","1") = "5"
    & skf21("4","6","6","6","2","4","4","1") = "5"
    & skf21("4","6","6","6","2","4","5","1") = "5"
    & skf21("4","6","6","6","2","4","6","1") = "5"
    & skf21("4","6","6","6","2","4","7","1") = "6"
    & skf21("4","6","6","6","2","5","1","1") = "5"
    & skf21("4","6","6","6","2","5","2","1") = "5"
    & skf21("4","6","6","6","2","5","3","1") = "5"
    & skf21("4","6","6","6","2","5","4","1") = "5"
    & skf21("4","6","6","6","2","5","5","1") = "5"
    & skf21("4","6","6","6","2","5","6","1") = "5"
    & skf21("4","6","6","6","2","5","7","1") = "6"
    & skf21("4","6","6","6","2","6","1","1") = "5"
    & skf21("4","6","6","6","2","6","2","1") = "5"
    & skf21("4","6","6","6","2","6","3","1") = "5"
    & skf21("4","6","6","6","2","6","4","1") = "5"
    & skf21("4","6","6","6","2","6","5","1") = "5"
    & skf21("4","6","6","6","2","6","6","1") = "5"
    & skf21("4","6","6","6","2","6","7","1") = "6"
    & skf21("4","6","6","6","2","7","1","1") = "6"
    & skf21("4","6","6","6","2","7","2","1") = "6"
    & skf21("4","6","6","6","2","7","3","1") = "6"
    & skf21("4","6","6","6","2","7","4","1") = "6"
    & skf21("4","6","6","6","2","7","5","1") = "6"
    & skf21("4","6","6","6","2","7","6","1") = "6"
    & skf21("4","6","6","6","2","7","7","1") = "6"
    & skf21("4","6","6","6","3","1","1","1") = "5"
    & skf21("4","6","6","6","3","1","2","1") = "5"
    & skf21("4","6","6","6","3","1","3","1") = "5"
    & skf21("4","6","6","6","3","1","4","1") = "5"
    & skf21("4","6","6","6","3","1","5","1") = "5"
    & skf21("4","6","6","6","3","1","6","1") = "5"
    & skf21("4","6","6","6","3","1","7","1") = "6"
    & skf21("4","6","6","6","3","2","1","1") = "5"
    & skf21("4","6","6","6","3","2","2","1") = "5"
    & skf21("4","6","6","6","3","2","3","1") = "5"
    & skf21("4","6","6","6","3","2","4","1") = "5"
    & skf21("4","6","6","6","3","2","5","1") = "5"
    & skf21("4","6","6","6","3","2","6","1") = "5"
    & skf21("4","6","6","6","3","2","7","1") = "6"
    & skf21("4","6","6","6","3","3","1","1") = "5"
    & skf21("4","6","6","6","3","3","2","1") = "5"
    & skf21("4","6","6","6","3","3","3","1") = "5"
    & skf21("4","6","6","6","3","3","4","1") = "5"
    & skf21("4","6","6","6","3","3","5","1") = "5"
    & skf21("4","6","6","6","3","3","6","1") = "5"
    & skf21("4","6","6","6","3","3","7","1") = "6"
    & skf21("4","6","6","6","3","4","1","1") = "5"
    & skf21("4","6","6","6","3","4","2","1") = "5"
    & skf21("4","6","6","6","3","4","3","1") = "5"
    & skf21("4","6","6","6","3","4","4","1") = "5"
    & skf21("4","6","6","6","3","4","5","1") = "5"
    & skf21("4","6","6","6","3","4","6","1") = "5"
    & skf21("4","6","6","6","3","4","7","1") = "6"
    & skf21("4","6","6","6","3","5","1","1") = "5"
    & skf21("4","6","6","6","3","5","2","1") = "5"
    & skf21("4","6","6","6","3","5","3","1") = "5"
    & skf21("4","6","6","6","3","5","4","1") = "5"
    & skf21("4","6","6","6","3","5","5","1") = "5"
    & skf21("4","6","6","6","3","5","6","1") = "5"
    & skf21("4","6","6","6","3","5","7","1") = "6"
    & skf21("4","6","6","6","3","6","1","1") = "5"
    & skf21("4","6","6","6","3","6","2","1") = "5"
    & skf21("4","6","6","6","3","6","3","1") = "5"
    & skf21("4","6","6","6","3","6","4","1") = "5"
    & skf21("4","6","6","6","3","6","5","1") = "5"
    & skf21("4","6","6","6","3","6","6","1") = "5"
    & skf21("4","6","6","6","3","6","7","1") = "6"
    & skf21("4","6","6","6","3","7","1","1") = "6"
    & skf21("4","6","6","6","3","7","2","1") = "6"
    & skf21("4","6","6","6","3","7","3","1") = "6"
    & skf21("4","6","6","6","3","7","4","1") = "6"
    & skf21("4","6","6","6","3","7","5","1") = "6"
    & skf21("4","6","6","6","3","7","6","1") = "6"
    & skf21("4","6","6","6","3","7","7","1") = "6"
    & skf21("4","6","6","6","4","1","1","1") = "5"
    & skf21("4","6","6","6","4","1","2","1") = "5"
    & skf21("4","6","6","6","4","1","3","1") = "5"
    & skf21("4","6","6","6","4","1","4","1") = "5"
    & skf21("4","6","6","6","4","1","5","1") = "5"
    & skf21("4","6","6","6","4","1","6","1") = "5"
    & skf21("4","6","6","6","4","1","7","1") = "6"
    & skf21("4","6","6","6","4","2","1","1") = "5"
    & skf21("4","6","6","6","4","2","2","1") = "5"
    & skf21("4","6","6","6","4","2","3","1") = "5"
    & skf21("4","6","6","6","4","2","4","1") = "5"
    & skf21("4","6","6","6","4","2","5","1") = "5"
    & skf21("4","6","6","6","4","2","6","1") = "5"
    & skf21("4","6","6","6","4","2","7","1") = "6"
    & skf21("4","6","6","6","4","3","1","1") = "5"
    & skf21("4","6","6","6","4","3","2","1") = "5"
    & skf21("4","6","6","6","4","3","3","1") = "5"
    & skf21("4","6","6","6","4","3","4","1") = "5"
    & skf21("4","6","6","6","4","3","5","1") = "5"
    & skf21("4","6","6","6","4","3","6","1") = "5"
    & skf21("4","6","6","6","4","3","7","1") = "6"
    & skf21("4","6","6","6","4","4","1","1") = "5"
    & skf21("4","6","6","6","4","4","2","1") = "5"
    & skf21("4","6","6","6","4","4","3","1") = "5"
    & skf21("4","6","6","6","4","4","4","1") = "5"
    & skf21("4","6","6","6","4","4","5","1") = "5"
    & skf21("4","6","6","6","4","4","6","1") = "5"
    & skf21("4","6","6","6","4","4","7","1") = "6"
    & skf21("4","6","6","6","4","5","1","1") = "5"
    & skf21("4","6","6","6","4","5","2","1") = "5"
    & skf21("4","6","6","6","4","5","3","1") = "5"
    & skf21("4","6","6","6","4","5","4","1") = "5"
    & skf21("4","6","6","6","4","5","5","1") = "5"
    & skf21("4","6","6","6","4","5","6","1") = "5"
    & skf21("4","6","6","6","4","5","7","1") = "6"
    & skf21("4","6","6","6","4","6","1","1") = "5"
    & skf21("4","6","6","6","4","6","2","1") = "5"
    & skf21("4","6","6","6","4","6","3","1") = "5"
    & skf21("4","6","6","6","4","6","4","1") = "5"
    & skf21("4","6","6","6","4","6","5","1") = "5"
    & skf21("4","6","6","6","4","6","6","1") = "5"
    & skf21("4","6","6","6","4","6","7","1") = "6"
    & skf21("4","6","6","6","4","7","1","1") = "6"
    & skf21("4","6","6","6","4","7","2","1") = "6"
    & skf21("4","6","6","6","4","7","3","1") = "6"
    & skf21("4","6","6","6","4","7","4","1") = "6"
    & skf21("4","6","6","6","4","7","5","1") = "6"
    & skf21("4","6","6","6","4","7","6","1") = "6"
    & skf21("4","6","6","6","4","7","7","1") = "6"
    & skf21("4","6","6","6","5","1","1","1") = "5"
    & skf21("4","6","6","6","5","1","2","1") = "5"
    & skf21("4","6","6","6","5","1","3","1") = "5"
    & skf21("4","6","6","6","5","1","4","1") = "5"
    & skf21("4","6","6","6","5","1","5","1") = "5"
    & skf21("4","6","6","6","5","1","6","1") = "5"
    & skf21("4","6","6","6","5","1","7","1") = "6"
    & skf21("4","6","6","6","5","2","1","1") = "5"
    & skf21("4","6","6","6","5","2","2","1") = "5"
    & skf21("4","6","6","6","5","2","3","1") = "5"
    & skf21("4","6","6","6","5","2","4","1") = "5"
    & skf21("4","6","6","6","5","2","5","1") = "5"
    & skf21("4","6","6","6","5","2","6","1") = "5"
    & skf21("4","6","6","6","5","2","7","1") = "6"
    & skf21("4","6","6","6","5","3","1","1") = "5"
    & skf21("4","6","6","6","5","3","2","1") = "5"
    & skf21("4","6","6","6","5","3","3","1") = "5"
    & skf21("4","6","6","6","5","3","4","1") = "5"
    & skf21("4","6","6","6","5","3","5","1") = "5"
    & skf21("4","6","6","6","5","3","6","1") = "5"
    & skf21("4","6","6","6","5","3","7","1") = "6"
    & skf21("4","6","6","6","5","4","1","1") = "5"
    & skf21("4","6","6","6","5","4","2","1") = "5"
    & skf21("4","6","6","6","5","4","3","1") = "5"
    & skf21("4","6","6","6","5","4","4","1") = "5"
    & skf21("4","6","6","6","5","4","5","1") = "5"
    & skf21("4","6","6","6","5","4","6","1") = "5"
    & skf21("4","6","6","6","5","4","7","1") = "6"
    & skf21("4","6","6","6","5","5","1","1") = "5"
    & skf21("4","6","6","6","5","5","2","1") = "5"
    & skf21("4","6","6","6","5","5","3","1") = "5"
    & skf21("4","6","6","6","5","5","4","1") = "5"
    & skf21("4","6","6","6","5","5","5","1") = "5"
    & skf21("4","6","6","6","5","5","6","1") = "5"
    & skf21("4","6","6","6","5","5","7","1") = "6"
    & skf21("4","6","6","6","5","6","1","1") = "5"
    & skf21("4","6","6","6","5","6","2","1") = "5"
    & skf21("4","6","6","6","5","6","3","1") = "5"
    & skf21("4","6","6","6","5","6","4","1") = "5"
    & skf21("4","6","6","6","5","6","5","1") = "5"
    & skf21("4","6","6","6","5","6","6","1") = "5"
    & skf21("4","6","6","6","5","6","7","1") = "6"
    & skf21("4","6","6","6","5","7","1","1") = "6"
    & skf21("4","6","6","6","5","7","2","1") = "6"
    & skf21("4","6","6","6","5","7","3","1") = "6"
    & skf21("4","6","6","6","5","7","4","1") = "6"
    & skf21("4","6","6","6","5","7","5","1") = "6"
    & skf21("4","6","6","6","5","7","6","1") = "6"
    & skf21("4","6","6","6","5","7","7","1") = "6"
    & skf21("4","6","6","6","6","1","1","1") = "5"
    & skf21("4","6","6","6","6","1","2","1") = "5"
    & skf21("4","6","6","6","6","1","3","1") = "5"
    & skf21("4","6","6","6","6","1","4","1") = "5"
    & skf21("4","6","6","6","6","1","5","1") = "5"
    & skf21("4","6","6","6","6","1","6","1") = "5"
    & skf21("4","6","6","6","6","1","7","1") = "6"
    & skf21("4","6","6","6","6","2","1","1") = "5"
    & skf21("4","6","6","6","6","2","2","1") = "5"
    & skf21("4","6","6","6","6","2","3","1") = "5"
    & skf21("4","6","6","6","6","2","4","1") = "5"
    & skf21("4","6","6","6","6","2","5","1") = "5"
    & skf21("4","6","6","6","6","2","6","1") = "5"
    & skf21("4","6","6","6","6","2","7","1") = "6"
    & skf21("4","6","6","6","6","3","1","1") = "5"
    & skf21("4","6","6","6","6","3","2","1") = "5"
    & skf21("4","6","6","6","6","3","3","1") = "5"
    & skf21("4","6","6","6","6","3","4","1") = "5"
    & skf21("4","6","6","6","6","3","5","1") = "5"
    & skf21("4","6","6","6","6","3","6","1") = "5"
    & skf21("4","6","6","6","6","3","7","1") = "6"
    & skf21("4","6","6","6","6","4","1","1") = "5"
    & skf21("4","6","6","6","6","4","2","1") = "5"
    & skf21("4","6","6","6","6","4","3","1") = "5"
    & skf21("4","6","6","6","6","4","4","1") = "5"
    & skf21("4","6","6","6","6","4","5","1") = "5"
    & skf21("4","6","6","6","6","4","6","1") = "5"
    & skf21("4","6","6","6","6","4","7","1") = "6"
    & skf21("4","6","6","6","6","5","1","1") = "5"
    & skf21("4","6","6","6","6","5","2","1") = "5"
    & skf21("4","6","6","6","6","5","3","1") = "5"
    & skf21("4","6","6","6","6","5","4","1") = "5"
    & skf21("4","6","6","6","6","5","5","1") = "5"
    & skf21("4","6","6","6","6","5","6","1") = "5"
    & skf21("4","6","6","6","6","5","7","1") = "6"
    & skf21("4","6","6","6","6","6","1","1") = "5"
    & skf21("4","6","6","6","6","6","2","1") = "5"
    & skf21("4","6","6","6","6","6","3","1") = "5"
    & skf21("4","6","6","6","6","6","4","1") = "5"
    & skf21("4","6","6","6","6","6","5","1") = "5"
    & skf21("4","6","6","6","6","6","6","1") = "5"
    & skf21("4","6","6","6","6","6","7","1") = "6"
    & skf21("4","6","6","6","6","7","1","1") = "6"
    & skf21("4","6","6","6","6","7","2","1") = "6"
    & skf21("4","6","6","6","6","7","3","1") = "6"
    & skf21("4","6","6","6","6","7","4","1") = "6"
    & skf21("4","6","6","6","6","7","5","1") = "6"
    & skf21("4","6","6","6","6","7","6","1") = "6"
    & skf21("4","6","6","6","6","7","7","1") = "6"
    & skf21("4","6","6","6","7","1","1","1") = "6"
    & skf21("4","6","6","6","7","1","2","1") = "6"
    & skf21("4","6","6","6","7","1","3","1") = "6"
    & skf21("4","6","6","6","7","1","4","1") = "6"
    & skf21("4","6","6","6","7","1","5","1") = "6"
    & skf21("4","6","6","6","7","1","6","1") = "6"
    & skf21("4","6","6","6","7","1","7","1") = "6"
    & skf21("4","6","6","6","7","2","1","1") = "6"
    & skf21("4","6","6","6","7","2","2","1") = "6"
    & skf21("4","6","6","6","7","2","3","1") = "6"
    & skf21("4","6","6","6","7","2","4","1") = "6"
    & skf21("4","6","6","6","7","2","5","1") = "6"
    & skf21("4","6","6","6","7","2","6","1") = "6"
    & skf21("4","6","6","6","7","2","7","1") = "6"
    & skf21("4","6","6","6","7","3","1","1") = "6"
    & skf21("4","6","6","6","7","3","2","1") = "6"
    & skf21("4","6","6","6","7","3","3","1") = "6"
    & skf21("4","6","6","6","7","3","4","1") = "6"
    & skf21("4","6","6","6","7","3","5","1") = "6"
    & skf21("4","6","6","6","7","3","6","1") = "6"
    & skf21("4","6","6","6","7","3","7","1") = "6"
    & skf21("4","6","6","6","7","4","1","1") = "6"
    & skf21("4","6","6","6","7","4","2","1") = "6"
    & skf21("4","6","6","6","7","4","3","1") = "6"
    & skf21("4","6","6","6","7","4","4","1") = "6"
    & skf21("4","6","6","6","7","4","5","1") = "6"
    & skf21("4","6","6","6","7","4","6","1") = "6"
    & skf21("4","6","6","6","7","4","7","1") = "6"
    & skf21("4","6","6","6","7","5","1","1") = "6"
    & skf21("4","6","6","6","7","5","2","1") = "6"
    & skf21("4","6","6","6","7","5","3","1") = "6"
    & skf21("4","6","6","6","7","5","4","1") = "6"
    & skf21("4","6","6","6","7","5","5","1") = "6"
    & skf21("4","6","6","6","7","5","6","1") = "6"
    & skf21("4","6","6","6","7","5","7","1") = "6"
    & skf21("4","6","6","6","7","6","1","1") = "6"
    & skf21("4","6","6","6","7","6","2","1") = "6"
    & skf21("4","6","6","6","7","6","3","1") = "6"
    & skf21("4","6","6","6","7","6","4","1") = "6"
    & skf21("4","6","6","6","7","6","5","1") = "6"
    & skf21("4","6","6","6","7","6","6","1") = "6"
    & skf21("4","6","6","6","7","6","7","1") = "6"
    & skf21("4","6","6","6","7","7","1","1") = "6"
    & skf21("4","6","6","6","7","7","2","1") = "6"
    & skf21("4","6","6","6","7","7","3","1") = "6"
    & skf21("4","6","6","6","7","7","4","1") = "6"
    & skf21("4","6","6","6","7","7","5","1") = "6"
    & skf21("4","6","6","6","7","7","6","1") = "6"
    & skf21("4","6","6","6","7","7","7","1") = "6"
    & skf21("4","6","6","7","1","1","1","1") = "6"
    & skf21("4","6","6","7","1","1","2","1") = "6"
    & skf21("4","6","6","7","1","1","3","1") = "6"
    & skf21("4","6","6","7","1","1","4","1") = "6"
    & skf21("4","6","6","7","1","1","5","1") = "6"
    & skf21("4","6","6","7","1","1","6","1") = "6"
    & skf21("4","6","6","7","1","1","7","1") = "6"
    & skf21("4","6","6","7","1","2","1","1") = "6"
    & skf21("4","6","6","7","1","2","2","1") = "6"
    & skf21("4","6","6","7","1","2","3","1") = "6"
    & skf21("4","6","6","7","1","2","4","1") = "6"
    & skf21("4","6","6","7","1","2","5","1") = "6"
    & skf21("4","6","6","7","1","2","6","1") = "6"
    & skf21("4","6","6","7","1","2","7","1") = "6"
    & skf21("4","6","6","7","1","3","1","1") = "6"
    & skf21("4","6","6","7","1","3","2","1") = "6"
    & skf21("4","6","6","7","1","3","3","1") = "6"
    & skf21("4","6","6","7","1","3","4","1") = "6"
    & skf21("4","6","6","7","1","3","5","1") = "6"
    & skf21("4","6","6","7","1","3","6","1") = "6"
    & skf21("4","6","6","7","1","3","7","1") = "6"
    & skf21("4","6","6","7","1","4","1","1") = "6"
    & skf21("4","6","6","7","1","4","2","1") = "6"
    & skf21("4","6","6","7","1","4","3","1") = "6"
    & skf21("4","6","6","7","1","4","4","1") = "6"
    & skf21("4","6","6","7","1","4","5","1") = "6"
    & skf21("4","6","6","7","1","4","6","1") = "6"
    & skf21("4","6","6","7","1","4","7","1") = "6"
    & skf21("4","6","6","7","1","5","1","1") = "6"
    & skf21("4","6","6","7","1","5","2","1") = "6"
    & skf21("4","6","6","7","1","5","3","1") = "6"
    & skf21("4","6","6","7","1","5","4","1") = "6"
    & skf21("4","6","6","7","1","5","5","1") = "6"
    & skf21("4","6","6","7","1","5","6","1") = "6"
    & skf21("4","6","6","7","1","5","7","1") = "6"
    & skf21("4","6","6","7","1","6","1","1") = "6"
    & skf21("4","6","6","7","1","6","2","1") = "6"
    & skf21("4","6","6","7","1","6","3","1") = "6"
    & skf21("4","6","6","7","1","6","4","1") = "6"
    & skf21("4","6","6","7","1","6","5","1") = "6"
    & skf21("4","6","6","7","1","6","6","1") = "6"
    & skf21("4","6","6","7","1","6","7","1") = "6"
    & skf21("4","6","6","7","1","7","1","1") = "6"
    & skf21("4","6","6","7","1","7","2","1") = "6"
    & skf21("4","6","6","7","1","7","3","1") = "6"
    & skf21("4","6","6","7","1","7","4","1") = "6"
    & skf21("4","6","6","7","1","7","5","1") = "6"
    & skf21("4","6","6","7","1","7","6","1") = "6"
    & skf21("4","6","6","7","1","7","7","1") = "6"
    & skf21("4","6","6","7","2","1","1","1") = "6"
    & skf21("4","6","6","7","2","1","2","1") = "6"
    & skf21("4","6","6","7","2","1","3","1") = "6"
    & skf21("4","6","6","7","2","1","4","1") = "6"
    & skf21("4","6","6","7","2","1","5","1") = "6"
    & skf21("4","6","6","7","2","1","6","1") = "6"
    & skf21("4","6","6","7","2","1","7","1") = "6"
    & skf21("4","6","6","7","2","2","1","1") = "6"
    & skf21("4","6","6","7","2","2","2","1") = "6"
    & skf21("4","6","6","7","2","2","3","1") = "6"
    & skf21("4","6","6","7","2","2","4","1") = "6"
    & skf21("4","6","6","7","2","2","5","1") = "6"
    & skf21("4","6","6","7","2","2","6","1") = "6"
    & skf21("4","6","6","7","2","2","7","1") = "6"
    & skf21("4","6","6","7","2","3","1","1") = "6"
    & skf21("4","6","6","7","2","3","2","1") = "6"
    & skf21("4","6","6","7","2","3","3","1") = "6"
    & skf21("4","6","6","7","2","3","4","1") = "6"
    & skf21("4","6","6","7","2","3","5","1") = "6"
    & skf21("4","6","6","7","2","3","6","1") = "6"
    & skf21("4","6","6","7","2","3","7","1") = "6"
    & skf21("4","6","6","7","2","4","1","1") = "6"
    & skf21("4","6","6","7","2","4","2","1") = "6"
    & skf21("4","6","6","7","2","4","3","1") = "6"
    & skf21("4","6","6","7","2","4","4","1") = "6"
    & skf21("4","6","6","7","2","4","5","1") = "6"
    & skf21("4","6","6","7","2","4","6","1") = "6"
    & skf21("4","6","6","7","2","4","7","1") = "6"
    & skf21("4","6","6","7","2","5","1","1") = "6"
    & skf21("4","6","6","7","2","5","2","1") = "6"
    & skf21("4","6","6","7","2","5","3","1") = "6"
    & skf21("4","6","6","7","2","5","4","1") = "6"
    & skf21("4","6","6","7","2","5","5","1") = "6"
    & skf21("4","6","6","7","2","5","6","1") = "6"
    & skf21("4","6","6","7","2","5","7","1") = "6"
    & skf21("4","6","6","7","2","6","1","1") = "6"
    & skf21("4","6","6","7","2","6","2","1") = "6"
    & skf21("4","6","6","7","2","6","3","1") = "6"
    & skf21("4","6","6","7","2","6","4","1") = "6"
    & skf21("4","6","6","7","2","6","5","1") = "6"
    & skf21("4","6","6","7","2","6","6","1") = "6"
    & skf21("4","6","6","7","2","6","7","1") = "6"
    & skf21("4","6","6","7","2","7","1","1") = "6"
    & skf21("4","6","6","7","2","7","2","1") = "6"
    & skf21("4","6","6","7","2","7","3","1") = "6"
    & skf21("4","6","6","7","2","7","4","1") = "6"
    & skf21("4","6","6","7","2","7","5","1") = "6"
    & skf21("4","6","6","7","2","7","6","1") = "6"
    & skf21("4","6","6","7","2","7","7","1") = "6"
    & skf21("4","6","6","7","3","1","1","1") = "6"
    & skf21("4","6","6","7","3","1","2","1") = "6"
    & skf21("4","6","6","7","3","1","3","1") = "6"
    & skf21("4","6","6","7","3","1","4","1") = "6"
    & skf21("4","6","6","7","3","1","5","1") = "6"
    & skf21("4","6","6","7","3","1","6","1") = "6"
    & skf21("4","6","6","7","3","1","7","1") = "6"
    & skf21("4","6","6","7","3","2","1","1") = "6"
    & skf21("4","6","6","7","3","2","2","1") = "6"
    & skf21("4","6","6","7","3","2","3","1") = "6"
    & skf21("4","6","6","7","3","2","4","1") = "6"
    & skf21("4","6","6","7","3","2","5","1") = "6"
    & skf21("4","6","6","7","3","2","6","1") = "6"
    & skf21("4","6","6","7","3","2","7","1") = "6"
    & skf21("4","6","6","7","3","3","1","1") = "6"
    & skf21("4","6","6","7","3","3","2","1") = "6"
    & skf21("4","6","6","7","3","3","3","1") = "6"
    & skf21("4","6","6","7","3","3","4","1") = "6"
    & skf21("4","6","6","7","3","3","5","1") = "6"
    & skf21("4","6","6","7","3","3","6","1") = "6"
    & skf21("4","6","6","7","3","3","7","1") = "6"
    & skf21("4","6","6","7","3","4","1","1") = "6"
    & skf21("4","6","6","7","3","4","2","1") = "6"
    & skf21("4","6","6","7","3","4","3","1") = "6"
    & skf21("4","6","6","7","3","4","4","1") = "6"
    & skf21("4","6","6","7","3","4","5","1") = "6"
    & skf21("4","6","6","7","3","4","6","1") = "6"
    & skf21("4","6","6","7","3","4","7","1") = "6"
    & skf21("4","6","6","7","3","5","1","1") = "6"
    & skf21("4","6","6","7","3","5","2","1") = "6"
    & skf21("4","6","6","7","3","5","3","1") = "6"
    & skf21("4","6","6","7","3","5","4","1") = "6"
    & skf21("4","6","6","7","3","5","5","1") = "6"
    & skf21("4","6","6","7","3","5","6","1") = "6"
    & skf21("4","6","6","7","3","5","7","1") = "6"
    & skf21("4","6","6","7","3","6","1","1") = "6"
    & skf21("4","6","6","7","3","6","2","1") = "6"
    & skf21("4","6","6","7","3","6","3","1") = "6"
    & skf21("4","6","6","7","3","6","4","1") = "6"
    & skf21("4","6","6","7","3","6","5","1") = "6"
    & skf21("4","6","6","7","3","6","6","1") = "6"
    & skf21("4","6","6","7","3","6","7","1") = "6"
    & skf21("4","6","6","7","3","7","1","1") = "6"
    & skf21("4","6","6","7","3","7","2","1") = "6"
    & skf21("4","6","6","7","3","7","3","1") = "6"
    & skf21("4","6","6","7","3","7","4","1") = "6"
    & skf21("4","6","6","7","3","7","5","1") = "6"
    & skf21("4","6","6","7","3","7","6","1") = "6"
    & skf21("4","6","6","7","3","7","7","1") = "6"
    & skf21("4","6","6","7","4","1","1","1") = "6"
    & skf21("4","6","6","7","4","1","2","1") = "6"
    & skf21("4","6","6","7","4","1","3","1") = "6"
    & skf21("4","6","6","7","4","1","4","1") = "6"
    & skf21("4","6","6","7","4","1","5","1") = "6"
    & skf21("4","6","6","7","4","1","6","1") = "6"
    & skf21("4","6","6","7","4","1","7","1") = "6"
    & skf21("4","6","6","7","4","2","1","1") = "6"
    & skf21("4","6","6","7","4","2","2","1") = "6"
    & skf21("4","6","6","7","4","2","3","1") = "6"
    & skf21("4","6","6","7","4","2","4","1") = "6"
    & skf21("4","6","6","7","4","2","5","1") = "6"
    & skf21("4","6","6","7","4","2","6","1") = "6"
    & skf21("4","6","6","7","4","2","7","1") = "6"
    & skf21("4","6","6","7","4","3","1","1") = "6"
    & skf21("4","6","6","7","4","3","2","1") = "6"
    & skf21("4","6","6","7","4","3","3","1") = "6"
    & skf21("4","6","6","7","4","3","4","1") = "6"
    & skf21("4","6","6","7","4","3","5","1") = "6"
    & skf21("4","6","6","7","4","3","6","1") = "6"
    & skf21("4","6","6","7","4","3","7","1") = "6"
    & skf21("4","6","6","7","4","4","1","1") = "6"
    & skf21("4","6","6","7","4","4","2","1") = "6"
    & skf21("4","6","6","7","4","4","3","1") = "6"
    & skf21("4","6","6","7","4","4","4","1") = "6"
    & skf21("4","6","6","7","4","4","5","1") = "6"
    & skf21("4","6","6","7","4","4","6","1") = "6"
    & skf21("4","6","6","7","4","4","7","1") = "6"
    & skf21("4","6","6","7","4","5","1","1") = "6"
    & skf21("4","6","6","7","4","5","2","1") = "6"
    & skf21("4","6","6","7","4","5","3","1") = "6"
    & skf21("4","6","6","7","4","5","4","1") = "6"
    & skf21("4","6","6","7","4","5","5","1") = "6"
    & skf21("4","6","6","7","4","5","6","1") = "6"
    & skf21("4","6","6","7","4","5","7","1") = "6"
    & skf21("4","6","6","7","4","6","1","1") = "6"
    & skf21("4","6","6","7","4","6","2","1") = "6"
    & skf21("4","6","6","7","4","6","3","1") = "6"
    & skf21("4","6","6","7","4","6","4","1") = "6"
    & skf21("4","6","6","7","4","6","5","1") = "6"
    & skf21("4","6","6","7","4","6","6","1") = "6"
    & skf21("4","6","6","7","4","6","7","1") = "6"
    & skf21("4","6","6","7","4","7","1","1") = "6"
    & skf21("4","6","6","7","4","7","2","1") = "6"
    & skf21("4","6","6","7","4","7","3","1") = "6"
    & skf21("4","6","6","7","4","7","4","1") = "6"
    & skf21("4","6","6","7","4","7","5","1") = "6"
    & skf21("4","6","6","7","4","7","6","1") = "6"
    & skf21("4","6","6","7","4","7","7","1") = "6"
    & skf21("4","6","6","7","5","1","1","1") = "6"
    & skf21("4","6","6","7","5","1","2","1") = "6"
    & skf21("4","6","6","7","5","1","3","1") = "6"
    & skf21("4","6","6","7","5","1","4","1") = "6"
    & skf21("4","6","6","7","5","1","5","1") = "6"
    & skf21("4","6","6","7","5","1","6","1") = "6"
    & skf21("4","6","6","7","5","1","7","1") = "6"
    & skf21("4","6","6","7","5","2","1","1") = "6"
    & skf21("4","6","6","7","5","2","2","1") = "6"
    & skf21("4","6","6","7","5","2","3","1") = "6"
    & skf21("4","6","6","7","5","2","4","1") = "6"
    & skf21("4","6","6","7","5","2","5","1") = "6"
    & skf21("4","6","6","7","5","2","6","1") = "6"
    & skf21("4","6","6","7","5","2","7","1") = "6"
    & skf21("4","6","6","7","5","3","1","1") = "6"
    & skf21("4","6","6","7","5","3","2","1") = "6"
    & skf21("4","6","6","7","5","3","3","1") = "6"
    & skf21("4","6","6","7","5","3","4","1") = "6"
    & skf21("4","6","6","7","5","3","5","1") = "6"
    & skf21("4","6","6","7","5","3","6","1") = "6"
    & skf21("4","6","6","7","5","3","7","1") = "6"
    & skf21("4","6","6","7","5","4","1","1") = "6"
    & skf21("4","6","6","7","5","4","2","1") = "6"
    & skf21("4","6","6","7","5","4","3","1") = "6"
    & skf21("4","6","6","7","5","4","4","1") = "6"
    & skf21("4","6","6","7","5","4","5","1") = "6"
    & skf21("4","6","6","7","5","4","6","1") = "6"
    & skf21("4","6","6","7","5","4","7","1") = "6"
    & skf21("4","6","6","7","5","5","1","1") = "6"
    & skf21("4","6","6","7","5","5","2","1") = "6"
    & skf21("4","6","6","7","5","5","3","1") = "6"
    & skf21("4","6","6","7","5","5","4","1") = "6"
    & skf21("4","6","6","7","5","5","5","1") = "6"
    & skf21("4","6","6","7","5","5","6","1") = "6"
    & skf21("4","6","6","7","5","5","7","1") = "6"
    & skf21("4","6","6","7","5","6","1","1") = "6"
    & skf21("4","6","6","7","5","6","2","1") = "6"
    & skf21("4","6","6","7","5","6","3","1") = "6"
    & skf21("4","6","6","7","5","6","4","1") = "6"
    & skf21("4","6","6","7","5","6","5","1") = "6"
    & skf21("4","6","6","7","5","6","6","1") = "6"
    & skf21("4","6","6","7","5","6","7","1") = "6"
    & skf21("4","6","6","7","5","7","1","1") = "6"
    & skf21("4","6","6","7","5","7","2","1") = "6"
    & skf21("4","6","6","7","5","7","3","1") = "6"
    & skf21("4","6","6","7","5","7","4","1") = "6"
    & skf21("4","6","6","7","5","7","5","1") = "6"
    & skf21("4","6","6","7","5","7","6","1") = "6"
    & skf21("4","6","6","7","5","7","7","1") = "6"
    & skf21("4","6","6","7","6","1","1","1") = "6"
    & skf21("4","6","6","7","6","1","2","1") = "6"
    & skf21("4","6","6","7","6","1","3","1") = "6"
    & skf21("4","6","6","7","6","1","4","1") = "6"
    & skf21("4","6","6","7","6","1","5","1") = "6"
    & skf21("4","6","6","7","6","1","6","1") = "6"
    & skf21("4","6","6","7","6","1","7","1") = "6"
    & skf21("4","6","6","7","6","2","1","1") = "6"
    & skf21("4","6","6","7","6","2","2","1") = "6"
    & skf21("4","6","6","7","6","2","3","1") = "6"
    & skf21("4","6","6","7","6","2","4","1") = "6"
    & skf21("4","6","6","7","6","2","5","1") = "6"
    & skf21("4","6","6","7","6","2","6","1") = "6"
    & skf21("4","6","6","7","6","2","7","1") = "6"
    & skf21("4","6","6","7","6","3","1","1") = "6"
    & skf21("4","6","6","7","6","3","2","1") = "6"
    & skf21("4","6","6","7","6","3","3","1") = "6"
    & skf21("4","6","6","7","6","3","4","1") = "6"
    & skf21("4","6","6","7","6","3","5","1") = "6"
    & skf21("4","6","6","7","6","3","6","1") = "6"
    & skf21("4","6","6","7","6","3","7","1") = "6"
    & skf21("4","6","6","7","6","4","1","1") = "6"
    & skf21("4","6","6","7","6","4","2","1") = "6"
    & skf21("4","6","6","7","6","4","3","1") = "6"
    & skf21("4","6","6","7","6","4","4","1") = "6"
    & skf21("4","6","6","7","6","4","5","1") = "6"
    & skf21("4","6","6","7","6","4","6","1") = "6"
    & skf21("4","6","6","7","6","4","7","1") = "6"
    & skf21("4","6","6","7","6","5","1","1") = "6"
    & skf21("4","6","6","7","6","5","2","1") = "6"
    & skf21("4","6","6","7","6","5","3","1") = "6"
    & skf21("4","6","6","7","6","5","4","1") = "6"
    & skf21("4","6","6","7","6","5","5","1") = "6"
    & skf21("4","6","6","7","6","5","6","1") = "6"
    & skf21("4","6","6","7","6","5","7","1") = "6"
    & skf21("4","6","6","7","6","6","1","1") = "6"
    & skf21("4","6","6","7","6","6","2","1") = "6"
    & skf21("4","6","6","7","6","6","3","1") = "6"
    & skf21("4","6","6","7","6","6","4","1") = "6"
    & skf21("4","6","6","7","6","6","5","1") = "6"
    & skf21("4","6","6","7","6","6","6","1") = "6"
    & skf21("4","6","6","7","6","6","7","1") = "6"
    & skf21("4","6","6","7","6","7","1","1") = "6"
    & skf21("4","6","6","7","6","7","2","1") = "6"
    & skf21("4","6","6","7","6","7","3","1") = "6"
    & skf21("4","6","6","7","6","7","4","1") = "6"
    & skf21("4","6","6","7","6","7","5","1") = "6"
    & skf21("4","6","6","7","6","7","6","1") = "6"
    & skf21("4","6","6","7","6","7","7","1") = "6"
    & skf21("4","6","6","7","7","1","1","1") = "6"
    & skf21("4","6","6","7","7","1","2","1") = "6"
    & skf21("4","6","6","7","7","1","3","1") = "6"
    & skf21("4","6","6","7","7","1","4","1") = "6"
    & skf21("4","6","6","7","7","1","5","1") = "6"
    & skf21("4","6","6","7","7","1","6","1") = "6"
    & skf21("4","6","6","7","7","1","7","1") = "6"
    & skf21("4","6","6","7","7","2","1","1") = "6"
    & skf21("4","6","6","7","7","2","2","1") = "6"
    & skf21("4","6","6","7","7","2","3","1") = "6"
    & skf21("4","6","6","7","7","2","4","1") = "6"
    & skf21("4","6","6","7","7","2","5","1") = "6"
    & skf21("4","6","6","7","7","2","6","1") = "6"
    & skf21("4","6","6","7","7","2","7","1") = "6"
    & skf21("4","6","6","7","7","3","1","1") = "6"
    & skf21("4","6","6","7","7","3","2","1") = "6"
    & skf21("4","6","6","7","7","3","3","1") = "6"
    & skf21("4","6","6","7","7","3","4","1") = "6"
    & skf21("4","6","6","7","7","3","5","1") = "6"
    & skf21("4","6","6","7","7","3","6","1") = "6"
    & skf21("4","6","6","7","7","3","7","1") = "6"
    & skf21("4","6","6","7","7","4","1","1") = "6"
    & skf21("4","6","6","7","7","4","2","1") = "6"
    & skf21("4","6","6","7","7","4","3","1") = "6"
    & skf21("4","6","6","7","7","4","4","1") = "6"
    & skf21("4","6","6","7","7","4","5","1") = "6"
    & skf21("4","6","6","7","7","4","6","1") = "6"
    & skf21("4","6","6","7","7","4","7","1") = "6"
    & skf21("4","6","6","7","7","5","1","1") = "6"
    & skf21("4","6","6","7","7","5","2","1") = "6"
    & skf21("4","6","6","7","7","5","3","1") = "6"
    & skf21("4","6","6","7","7","5","4","1") = "6"
    & skf21("4","6","6","7","7","5","5","1") = "6"
    & skf21("4","6","6","7","7","5","6","1") = "6"
    & skf21("4","6","6","7","7","5","7","1") = "6"
    & skf21("4","6","6","7","7","6","1","1") = "6"
    & skf21("4","6","6","7","7","6","2","1") = "6"
    & skf21("4","6","6","7","7","6","3","1") = "6"
    & skf21("4","6","6","7","7","6","4","1") = "6"
    & skf21("4","6","6","7","7","6","5","1") = "6"
    & skf21("4","6","6","7","7","6","6","1") = "6"
    & skf21("4","6","6","7","7","6","7","1") = "6"
    & skf21("4","6","6","7","7","7","1","1") = "6"
    & skf21("4","6","6","7","7","7","2","1") = "6"
    & skf21("4","6","6","7","7","7","3","1") = "6"
    & skf21("4","6","6","7","7","7","4","1") = "6"
    & skf21("4","6","6","7","7","7","5","1") = "6"
    & skf21("4","6","6","7","7","7","6","1") = "6"
    & skf21("4","6","6","7","7","7","7","1") = "6"
    & skf21("4","6","7","1","1","1","1","1") = "6"
    & skf21("4","6","7","1","1","1","2","1") = "6"
    & skf21("4","6","7","1","1","1","3","1") = "6"
    & skf21("4","6","7","1","1","1","4","1") = "6"
    & skf21("4","6","7","1","1","1","5","1") = "6"
    & skf21("4","6","7","1","1","1","6","1") = "6"
    & skf21("4","6","7","1","1","1","7","1") = "6"
    & skf21("4","6","7","1","1","2","1","1") = "6"
    & skf21("4","6","7","1","1","2","2","1") = "6"
    & skf21("4","6","7","1","1","2","3","1") = "6"
    & skf21("4","6","7","1","1","2","4","1") = "6"
    & skf21("4","6","7","1","1","2","5","1") = "6"
    & skf21("4","6","7","1","1","2","6","1") = "6"
    & skf21("4","6","7","1","1","2","7","1") = "6"
    & skf21("4","6","7","1","1","3","1","1") = "6"
    & skf21("4","6","7","1","1","3","2","1") = "6"
    & skf21("4","6","7","1","1","3","3","1") = "6"
    & skf21("4","6","7","1","1","3","4","1") = "6"
    & skf21("4","6","7","1","1","3","5","1") = "6"
    & skf21("4","6","7","1","1","3","6","1") = "6"
    & skf21("4","6","7","1","1","3","7","1") = "6"
    & skf21("4","6","7","1","1","4","1","1") = "6"
    & skf21("4","6","7","1","1","4","2","1") = "6"
    & skf21("4","6","7","1","1","4","3","1") = "6"
    & skf21("4","6","7","1","1","4","4","1") = "6"
    & skf21("4","6","7","1","1","4","5","1") = "6"
    & skf21("4","6","7","1","1","4","6","1") = "6"
    & skf21("4","6","7","1","1","4","7","1") = "6"
    & skf21("4","6","7","1","1","5","1","1") = "6"
    & skf21("4","6","7","1","1","5","2","1") = "6"
    & skf21("4","6","7","1","1","5","3","1") = "6"
    & skf21("4","6","7","1","1","5","4","1") = "6"
    & skf21("4","6","7","1","1","5","5","1") = "6"
    & skf21("4","6","7","1","1","5","6","1") = "6"
    & skf21("4","6","7","1","1","5","7","1") = "6"
    & skf21("4","6","7","1","1","6","1","1") = "6"
    & skf21("4","6","7","1","1","6","2","1") = "6"
    & skf21("4","6","7","1","1","6","3","1") = "6"
    & skf21("4","6","7","1","1","6","4","1") = "6"
    & skf21("4","6","7","1","1","6","5","1") = "6"
    & skf21("4","6","7","1","1","6","6","1") = "6"
    & skf21("4","6","7","1","1","6","7","1") = "6"
    & skf21("4","6","7","1","1","7","1","1") = "6"
    & skf21("4","6","7","1","1","7","2","1") = "6"
    & skf21("4","6","7","1","1","7","3","1") = "6"
    & skf21("4","6","7","1","1","7","4","1") = "6"
    & skf21("4","6","7","1","1","7","5","1") = "6"
    & skf21("4","6","7","1","1","7","6","1") = "6"
    & skf21("4","6","7","1","1","7","7","1") = "6"
    & skf21("4","6","7","1","2","1","1","1") = "6"
    & skf21("4","6","7","1","2","1","2","1") = "6"
    & skf21("4","6","7","1","2","1","3","1") = "6"
    & skf21("4","6","7","1","2","1","4","1") = "6"
    & skf21("4","6","7","1","2","1","5","1") = "6"
    & skf21("4","6","7","1","2","1","6","1") = "6"
    & skf21("4","6","7","1","2","1","7","1") = "6"
    & skf21("4","6","7","1","2","2","1","1") = "6"
    & skf21("4","6","7","1","2","2","2","1") = "6"
    & skf21("4","6","7","1","2","2","3","1") = "6"
    & skf21("4","6","7","1","2","2","4","1") = "6"
    & skf21("4","6","7","1","2","2","5","1") = "6"
    & skf21("4","6","7","1","2","2","6","1") = "6"
    & skf21("4","6","7","1","2","2","7","1") = "6"
    & skf21("4","6","7","1","2","3","1","1") = "6"
    & skf21("4","6","7","1","2","3","2","1") = "6"
    & skf21("4","6","7","1","2","3","3","1") = "6"
    & skf21("4","6","7","1","2","3","4","1") = "6"
    & skf21("4","6","7","1","2","3","5","1") = "6"
    & skf21("4","6","7","1","2","3","6","1") = "6"
    & skf21("4","6","7","1","2","3","7","1") = "6"
    & skf21("4","6","7","1","2","4","1","1") = "6"
    & skf21("4","6","7","1","2","4","2","1") = "6"
    & skf21("4","6","7","1","2","4","3","1") = "6"
    & skf21("4","6","7","1","2","4","4","1") = "6"
    & skf21("4","6","7","1","2","4","5","1") = "6"
    & skf21("4","6","7","1","2","4","6","1") = "6"
    & skf21("4","6","7","1","2","4","7","1") = "6"
    & skf21("4","6","7","1","2","5","1","1") = "6"
    & skf21("4","6","7","1","2","5","2","1") = "6"
    & skf21("4","6","7","1","2","5","3","1") = "6"
    & skf21("4","6","7","1","2","5","4","1") = "6"
    & skf21("4","6","7","1","2","5","5","1") = "6"
    & skf21("4","6","7","1","2","5","6","1") = "6"
    & skf21("4","6","7","1","2","5","7","1") = "6"
    & skf21("4","6","7","1","2","6","1","1") = "6"
    & skf21("4","6","7","1","2","6","2","1") = "6"
    & skf21("4","6","7","1","2","6","3","1") = "6"
    & skf21("4","6","7","1","2","6","4","1") = "6"
    & skf21("4","6","7","1","2","6","5","1") = "6"
    & skf21("4","6","7","1","2","6","6","1") = "6"
    & skf21("4","6","7","1","2","6","7","1") = "6"
    & skf21("4","6","7","1","2","7","1","1") = "6"
    & skf21("4","6","7","1","2","7","2","1") = "6"
    & skf21("4","6","7","1","2","7","3","1") = "6"
    & skf21("4","6","7","1","2","7","4","1") = "6"
    & skf21("4","6","7","1","2","7","5","1") = "6"
    & skf21("4","6","7","1","2","7","6","1") = "6"
    & skf21("4","6","7","1","2","7","7","1") = "6"
    & skf21("4","6","7","1","3","1","1","1") = "6"
    & skf21("4","6","7","1","3","1","2","1") = "6"
    & skf21("4","6","7","1","3","1","3","1") = "6"
    & skf21("4","6","7","1","3","1","4","1") = "6"
    & skf21("4","6","7","1","3","1","5","1") = "6"
    & skf21("4","6","7","1","3","1","6","1") = "6"
    & skf21("4","6","7","1","3","1","7","1") = "6"
    & skf21("4","6","7","1","3","2","1","1") = "6"
    & skf21("4","6","7","1","3","2","2","1") = "6"
    & skf21("4","6","7","1","3","2","3","1") = "6"
    & skf21("4","6","7","1","3","2","4","1") = "6"
    & skf21("4","6","7","1","3","2","5","1") = "6"
    & skf21("4","6","7","1","3","2","6","1") = "6"
    & skf21("4","6","7","1","3","2","7","1") = "6"
    & skf21("4","6","7","1","3","3","1","1") = "6"
    & skf21("4","6","7","1","3","3","2","1") = "6"
    & skf21("4","6","7","1","3","3","3","1") = "6"
    & skf21("4","6","7","1","3","3","4","1") = "6"
    & skf21("4","6","7","1","3","3","5","1") = "6"
    & skf21("4","6","7","1","3","3","6","1") = "6"
    & skf21("4","6","7","1","3","3","7","1") = "6"
    & skf21("4","6","7","1","3","4","1","1") = "6"
    & skf21("4","6","7","1","3","4","2","1") = "6"
    & skf21("4","6","7","1","3","4","3","1") = "6"
    & skf21("4","6","7","1","3","4","4","1") = "6"
    & skf21("4","6","7","1","3","4","5","1") = "6"
    & skf21("4","6","7","1","3","4","6","1") = "6"
    & skf21("4","6","7","1","3","4","7","1") = "6"
    & skf21("4","6","7","1","3","5","1","1") = "6"
    & skf21("4","6","7","1","3","5","2","1") = "6"
    & skf21("4","6","7","1","3","5","3","1") = "6"
    & skf21("4","6","7","1","3","5","4","1") = "6"
    & skf21("4","6","7","1","3","5","5","1") = "6"
    & skf21("4","6","7","1","3","5","6","1") = "6"
    & skf21("4","6","7","1","3","5","7","1") = "6"
    & skf21("4","6","7","1","3","6","1","1") = "6"
    & skf21("4","6","7","1","3","6","2","1") = "6"
    & skf21("4","6","7","1","3","6","3","1") = "6"
    & skf21("4","6","7","1","3","6","4","1") = "6"
    & skf21("4","6","7","1","3","6","5","1") = "6"
    & skf21("4","6","7","1","3","6","6","1") = "6"
    & skf21("4","6","7","1","3","6","7","1") = "6"
    & skf21("4","6","7","1","3","7","1","1") = "6"
    & skf21("4","6","7","1","3","7","2","1") = "6"
    & skf21("4","6","7","1","3","7","3","1") = "6"
    & skf21("4","6","7","1","3","7","4","1") = "6"
    & skf21("4","6","7","1","3","7","5","1") = "6"
    & skf21("4","6","7","1","3","7","6","1") = "6"
    & skf21("4","6","7","1","3","7","7","1") = "6"
    & skf21("4","6","7","1","4","1","1","1") = "6"
    & skf21("4","6","7","1","4","1","2","1") = "6"
    & skf21("4","6","7","1","4","1","3","1") = "6"
    & skf21("4","6","7","1","4","1","4","1") = "6"
    & skf21("4","6","7","1","4","1","5","1") = "6"
    & skf21("4","6","7","1","4","1","6","1") = "6"
    & skf21("4","6","7","1","4","1","7","1") = "6"
    & skf21("4","6","7","1","4","2","1","1") = "6"
    & skf21("4","6","7","1","4","2","2","1") = "6"
    & skf21("4","6","7","1","4","2","3","1") = "6"
    & skf21("4","6","7","1","4","2","4","1") = "6"
    & skf21("4","6","7","1","4","2","5","1") = "6"
    & skf21("4","6","7","1","4","2","6","1") = "6"
    & skf21("4","6","7","1","4","2","7","1") = "6"
    & skf21("4","6","7","1","4","3","1","1") = "6"
    & skf21("4","6","7","1","4","3","2","1") = "6"
    & skf21("4","6","7","1","4","3","3","1") = "6"
    & skf21("4","6","7","1","4","3","4","1") = "6"
    & skf21("4","6","7","1","4","3","5","1") = "6"
    & skf21("4","6","7","1","4","3","6","1") = "6"
    & skf21("4","6","7","1","4","3","7","1") = "6"
    & skf21("4","6","7","1","4","4","1","1") = "6"
    & skf21("4","6","7","1","4","4","2","1") = "6"
    & skf21("4","6","7","1","4","4","3","1") = "6"
    & skf21("4","6","7","1","4","4","4","1") = "6"
    & skf21("4","6","7","1","4","4","5","1") = "6"
    & skf21("4","6","7","1","4","4","6","1") = "6"
    & skf21("4","6","7","1","4","4","7","1") = "6"
    & skf21("4","6","7","1","4","5","1","1") = "6"
    & skf21("4","6","7","1","4","5","2","1") = "6"
    & skf21("4","6","7","1","4","5","3","1") = "6"
    & skf21("4","6","7","1","4","5","4","1") = "6"
    & skf21("4","6","7","1","4","5","5","1") = "6"
    & skf21("4","6","7","1","4","5","6","1") = "6"
    & skf21("4","6","7","1","4","5","7","1") = "6"
    & skf21("4","6","7","1","4","6","1","1") = "6"
    & skf21("4","6","7","1","4","6","2","1") = "6"
    & skf21("4","6","7","1","4","6","3","1") = "6"
    & skf21("4","6","7","1","4","6","4","1") = "6"
    & skf21("4","6","7","1","4","6","5","1") = "6"
    & skf21("4","6","7","1","4","6","6","1") = "6"
    & skf21("4","6","7","1","4","6","7","1") = "6"
    & skf21("4","6","7","1","4","7","1","1") = "6"
    & skf21("4","6","7","1","4","7","2","1") = "6"
    & skf21("4","6","7","1","4","7","3","1") = "6"
    & skf21("4","6","7","1","4","7","4","1") = "6"
    & skf21("4","6","7","1","4","7","5","1") = "6"
    & skf21("4","6","7","1","4","7","6","1") = "6"
    & skf21("4","6","7","1","4","7","7","1") = "6"
    & skf21("4","6","7","1","5","1","1","1") = "6"
    & skf21("4","6","7","1","5","1","2","1") = "6"
    & skf21("4","6","7","1","5","1","3","1") = "6"
    & skf21("4","6","7","1","5","1","4","1") = "6"
    & skf21("4","6","7","1","5","1","5","1") = "6"
    & skf21("4","6","7","1","5","1","6","1") = "6"
    & skf21("4","6","7","1","5","1","7","1") = "6"
    & skf21("4","6","7","1","5","2","1","1") = "6"
    & skf21("4","6","7","1","5","2","2","1") = "6"
    & skf21("4","6","7","1","5","2","3","1") = "6"
    & skf21("4","6","7","1","5","2","4","1") = "6"
    & skf21("4","6","7","1","5","2","5","1") = "6"
    & skf21("4","6","7","1","5","2","6","1") = "6"
    & skf21("4","6","7","1","5","2","7","1") = "6"
    & skf21("4","6","7","1","5","3","1","1") = "6"
    & skf21("4","6","7","1","5","3","2","1") = "6"
    & skf21("4","6","7","1","5","3","3","1") = "6"
    & skf21("4","6","7","1","5","3","4","1") = "6"
    & skf21("4","6","7","1","5","3","5","1") = "6"
    & skf21("4","6","7","1","5","3","6","1") = "6"
    & skf21("4","6","7","1","5","3","7","1") = "6"
    & skf21("4","6","7","1","5","4","1","1") = "6"
    & skf21("4","6","7","1","5","4","2","1") = "6"
    & skf21("4","6","7","1","5","4","3","1") = "6"
    & skf21("4","6","7","1","5","4","4","1") = "6"
    & skf21("4","6","7","1","5","4","5","1") = "6"
    & skf21("4","6","7","1","5","4","6","1") = "6"
    & skf21("4","6","7","1","5","4","7","1") = "6"
    & skf21("4","6","7","1","5","5","1","1") = "6"
    & skf21("4","6","7","1","5","5","2","1") = "6"
    & skf21("4","6","7","1","5","5","3","1") = "6"
    & skf21("4","6","7","1","5","5","4","1") = "6"
    & skf21("4","6","7","1","5","5","5","1") = "6"
    & skf21("4","6","7","1","5","5","6","1") = "6"
    & skf21("4","6","7","1","5","5","7","1") = "6"
    & skf21("4","6","7","1","5","6","1","1") = "6"
    & skf21("4","6","7","1","5","6","2","1") = "6"
    & skf21("4","6","7","1","5","6","3","1") = "6"
    & skf21("4","6","7","1","5","6","4","1") = "6"
    & skf21("4","6","7","1","5","6","5","1") = "6"
    & skf21("4","6","7","1","5","6","6","1") = "6"
    & skf21("4","6","7","1","5","6","7","1") = "6"
    & skf21("4","6","7","1","5","7","1","1") = "6"
    & skf21("4","6","7","1","5","7","2","1") = "6"
    & skf21("4","6","7","1","5","7","3","1") = "6"
    & skf21("4","6","7","1","5","7","4","1") = "6"
    & skf21("4","6","7","1","5","7","5","1") = "6"
    & skf21("4","6","7","1","5","7","6","1") = "6"
    & skf21("4","6","7","1","5","7","7","1") = "6"
    & skf21("4","6","7","1","6","1","1","1") = "6"
    & skf21("4","6","7","1","6","1","2","1") = "6"
    & skf21("4","6","7","1","6","1","3","1") = "6"
    & skf21("4","6","7","1","6","1","4","1") = "6"
    & skf21("4","6","7","1","6","1","5","1") = "6"
    & skf21("4","6","7","1","6","1","6","1") = "6"
    & skf21("4","6","7","1","6","1","7","1") = "6"
    & skf21("4","6","7","1","6","2","1","1") = "6"
    & skf21("4","6","7","1","6","2","2","1") = "6"
    & skf21("4","6","7","1","6","2","3","1") = "6"
    & skf21("4","6","7","1","6","2","4","1") = "6"
    & skf21("4","6","7","1","6","2","5","1") = "6"
    & skf21("4","6","7","1","6","2","6","1") = "6"
    & skf21("4","6","7","1","6","2","7","1") = "6"
    & skf21("4","6","7","1","6","3","1","1") = "6"
    & skf21("4","6","7","1","6","3","2","1") = "6"
    & skf21("4","6","7","1","6","3","3","1") = "6"
    & skf21("4","6","7","1","6","3","4","1") = "6"
    & skf21("4","6","7","1","6","3","5","1") = "6"
    & skf21("4","6","7","1","6","3","6","1") = "6"
    & skf21("4","6","7","1","6","3","7","1") = "6"
    & skf21("4","6","7","1","6","4","1","1") = "6"
    & skf21("4","6","7","1","6","4","2","1") = "6"
    & skf21("4","6","7","1","6","4","3","1") = "6"
    & skf21("4","6","7","1","6","4","4","1") = "6"
    & skf21("4","6","7","1","6","4","5","1") = "6"
    & skf21("4","6","7","1","6","4","6","1") = "6"
    & skf21("4","6","7","1","6","4","7","1") = "6"
    & skf21("4","6","7","1","6","5","1","1") = "6"
    & skf21("4","6","7","1","6","5","2","1") = "6"
    & skf21("4","6","7","1","6","5","3","1") = "6"
    & skf21("4","6","7","1","6","5","4","1") = "6"
    & skf21("4","6","7","1","6","5","5","1") = "6"
    & skf21("4","6","7","1","6","5","6","1") = "6"
    & skf21("4","6","7","1","6","5","7","1") = "6"
    & skf21("4","6","7","1","6","6","1","1") = "6"
    & skf21("4","6","7","1","6","6","2","1") = "6"
    & skf21("4","6","7","1","6","6","3","1") = "6"
    & skf21("4","6","7","1","6","6","4","1") = "6"
    & skf21("4","6","7","1","6","6","5","1") = "6"
    & skf21("4","6","7","1","6","6","6","1") = "6"
    & skf21("4","6","7","1","6","6","7","1") = "6"
    & skf21("4","6","7","1","6","7","1","1") = "6"
    & skf21("4","6","7","1","6","7","2","1") = "6"
    & skf21("4","6","7","1","6","7","3","1") = "6"
    & skf21("4","6","7","1","6","7","4","1") = "6"
    & skf21("4","6","7","1","6","7","5","1") = "6"
    & skf21("4","6","7","1","6","7","6","1") = "6"
    & skf21("4","6","7","1","6","7","7","1") = "6"
    & skf21("4","6","7","1","7","1","1","1") = "6"
    & skf21("4","6","7","1","7","1","2","1") = "6"
    & skf21("4","6","7","1","7","1","3","1") = "6"
    & skf21("4","6","7","1","7","1","4","1") = "6"
    & skf21("4","6","7","1","7","1","5","1") = "6"
    & skf21("4","6","7","1","7","1","6","1") = "6"
    & skf21("4","6","7","1","7","1","7","1") = "6"
    & skf21("4","6","7","1","7","2","1","1") = "6"
    & skf21("4","6","7","1","7","2","2","1") = "6"
    & skf21("4","6","7","1","7","2","3","1") = "6"
    & skf21("4","6","7","1","7","2","4","1") = "6"
    & skf21("4","6","7","1","7","2","5","1") = "6"
    & skf21("4","6","7","1","7","2","6","1") = "6"
    & skf21("4","6","7","1","7","2","7","1") = "6"
    & skf21("4","6","7","1","7","3","1","1") = "6"
    & skf21("4","6","7","1","7","3","2","1") = "6"
    & skf21("4","6","7","1","7","3","3","1") = "6"
    & skf21("4","6","7","1","7","3","4","1") = "6"
    & skf21("4","6","7","1","7","3","5","1") = "6"
    & skf21("4","6","7","1","7","3","6","1") = "6"
    & skf21("4","6","7","1","7","3","7","1") = "6"
    & skf21("4","6","7","1","7","4","1","1") = "6"
    & skf21("4","6","7","1","7","4","2","1") = "6"
    & skf21("4","6","7","1","7","4","3","1") = "6"
    & skf21("4","6","7","1","7","4","4","1") = "6"
    & skf21("4","6","7","1","7","4","5","1") = "6"
    & skf21("4","6","7","1","7","4","6","1") = "6"
    & skf21("4","6","7","1","7","4","7","1") = "6"
    & skf21("4","6","7","1","7","5","1","1") = "6"
    & skf21("4","6","7","1","7","5","2","1") = "6"
    & skf21("4","6","7","1","7","5","3","1") = "6"
    & skf21("4","6","7","1","7","5","4","1") = "6"
    & skf21("4","6","7","1","7","5","5","1") = "6"
    & skf21("4","6","7","1","7","5","6","1") = "6"
    & skf21("4","6","7","1","7","5","7","1") = "6"
    & skf21("4","6","7","1","7","6","1","1") = "6"
    & skf21("4","6","7","1","7","6","2","1") = "6"
    & skf21("4","6","7","1","7","6","3","1") = "6"
    & skf21("4","6","7","1","7","6","4","1") = "6"
    & skf21("4","6","7","1","7","6","5","1") = "6"
    & skf21("4","6","7","1","7","6","6","1") = "6"
    & skf21("4","6","7","1","7","6","7","1") = "6"
    & skf21("4","6","7","1","7","7","1","1") = "6"
    & skf21("4","6","7","1","7","7","2","1") = "6"
    & skf21("4","6","7","1","7","7","3","1") = "6"
    & skf21("4","6","7","1","7","7","4","1") = "6"
    & skf21("4","6","7","1","7","7","5","1") = "6"
    & skf21("4","6","7","1","7","7","6","1") = "6"
    & skf21("4","6","7","1","7","7","7","1") = "6"
    & skf21("4","6","7","2","1","1","1","1") = "6"
    & skf21("4","6","7","2","1","1","2","1") = "6"
    & skf21("4","6","7","2","1","1","3","1") = "6"
    & skf21("4","6","7","2","1","1","4","1") = "6"
    & skf21("4","6","7","2","1","1","5","1") = "6"
    & skf21("4","6","7","2","1","1","6","1") = "6"
    & skf21("4","6","7","2","1","1","7","1") = "6"
    & skf21("4","6","7","2","1","2","1","1") = "6"
    & skf21("4","6","7","2","1","2","2","1") = "6"
    & skf21("4","6","7","2","1","2","3","1") = "6"
    & skf21("4","6","7","2","1","2","4","1") = "6"
    & skf21("4","6","7","2","1","2","5","1") = "6"
    & skf21("4","6","7","2","1","2","6","1") = "6"
    & skf21("4","6","7","2","1","2","7","1") = "6"
    & skf21("4","6","7","2","1","3","1","1") = "6"
    & skf21("4","6","7","2","1","3","2","1") = "6"
    & skf21("4","6","7","2","1","3","3","1") = "6"
    & skf21("4","6","7","2","1","3","4","1") = "6"
    & skf21("4","6","7","2","1","3","5","1") = "6"
    & skf21("4","6","7","2","1","3","6","1") = "6"
    & skf21("4","6","7","2","1","3","7","1") = "6"
    & skf21("4","6","7","2","1","4","1","1") = "6"
    & skf21("4","6","7","2","1","4","2","1") = "6"
    & skf21("4","6","7","2","1","4","3","1") = "6"
    & skf21("4","6","7","2","1","4","4","1") = "6"
    & skf21("4","6","7","2","1","4","5","1") = "6"
    & skf21("4","6","7","2","1","4","6","1") = "6"
    & skf21("4","6","7","2","1","4","7","1") = "6"
    & skf21("4","6","7","2","1","5","1","1") = "6"
    & skf21("4","6","7","2","1","5","2","1") = "6"
    & skf21("4","6","7","2","1","5","3","1") = "6"
    & skf21("4","6","7","2","1","5","4","1") = "6"
    & skf21("4","6","7","2","1","5","5","1") = "6"
    & skf21("4","6","7","2","1","5","6","1") = "6"
    & skf21("4","6","7","2","1","5","7","1") = "6"
    & skf21("4","6","7","2","1","6","1","1") = "6"
    & skf21("4","6","7","2","1","6","2","1") = "6"
    & skf21("4","6","7","2","1","6","3","1") = "6"
    & skf21("4","6","7","2","1","6","4","1") = "6"
    & skf21("4","6","7","2","1","6","5","1") = "6"
    & skf21("4","6","7","2","1","6","6","1") = "6"
    & skf21("4","6","7","2","1","6","7","1") = "6"
    & skf21("4","6","7","2","1","7","1","1") = "6"
    & skf21("4","6","7","2","1","7","2","1") = "6"
    & skf21("4","6","7","2","1","7","3","1") = "6"
    & skf21("4","6","7","2","1","7","4","1") = "6"
    & skf21("4","6","7","2","1","7","5","1") = "6"
    & skf21("4","6","7","2","1","7","6","1") = "6"
    & skf21("4","6","7","2","1","7","7","1") = "6"
    & skf21("4","6","7","2","2","1","1","1") = "6"
    & skf21("4","6","7","2","2","1","2","1") = "6"
    & skf21("4","6","7","2","2","1","3","1") = "6"
    & skf21("4","6","7","2","2","1","4","1") = "6"
    & skf21("4","6","7","2","2","1","5","1") = "6"
    & skf21("4","6","7","2","2","1","6","1") = "6"
    & skf21("4","6","7","2","2","1","7","1") = "6"
    & skf21("4","6","7","2","2","2","1","1") = "6"
    & skf21("4","6","7","2","2","2","2","1") = "6"
    & skf21("4","6","7","2","2","2","3","1") = "6"
    & skf21("4","6","7","2","2","2","4","1") = "6"
    & skf21("4","6","7","2","2","2","5","1") = "6"
    & skf21("4","6","7","2","2","2","6","1") = "6"
    & skf21("4","6","7","2","2","2","7","1") = "6"
    & skf21("4","6","7","2","2","3","1","1") = "6"
    & skf21("4","6","7","2","2","3","2","1") = "6"
    & skf21("4","6","7","2","2","3","3","1") = "6"
    & skf21("4","6","7","2","2","3","4","1") = "6"
    & skf21("4","6","7","2","2","3","5","1") = "6"
    & skf21("4","6","7","2","2","3","6","1") = "6"
    & skf21("4","6","7","2","2","3","7","1") = "6"
    & skf21("4","6","7","2","2","4","1","1") = "6"
    & skf21("4","6","7","2","2","4","2","1") = "6"
    & skf21("4","6","7","2","2","4","3","1") = "6"
    & skf21("4","6","7","2","2","4","4","1") = "6"
    & skf21("4","6","7","2","2","4","5","1") = "6"
    & skf21("4","6","7","2","2","4","6","1") = "6"
    & skf21("4","6","7","2","2","4","7","1") = "6"
    & skf21("4","6","7","2","2","5","1","1") = "6"
    & skf21("4","6","7","2","2","5","2","1") = "6"
    & skf21("4","6","7","2","2","5","3","1") = "6"
    & skf21("4","6","7","2","2","5","4","1") = "6"
    & skf21("4","6","7","2","2","5","5","1") = "6"
    & skf21("4","6","7","2","2","5","6","1") = "6"
    & skf21("4","6","7","2","2","5","7","1") = "6"
    & skf21("4","6","7","2","2","6","1","1") = "6"
    & skf21("4","6","7","2","2","6","2","1") = "6"
    & skf21("4","6","7","2","2","6","3","1") = "6"
    & skf21("4","6","7","2","2","6","4","1") = "6"
    & skf21("4","6","7","2","2","6","5","1") = "6"
    & skf21("4","6","7","2","2","6","6","1") = "6"
    & skf21("4","6","7","2","2","6","7","1") = "6"
    & skf21("4","6","7","2","2","7","1","1") = "6"
    & skf21("4","6","7","2","2","7","2","1") = "6"
    & skf21("4","6","7","2","2","7","3","1") = "6"
    & skf21("4","6","7","2","2","7","4","1") = "6"
    & skf21("4","6","7","2","2","7","5","1") = "6"
    & skf21("4","6","7","2","2","7","6","1") = "6"
    & skf21("4","6","7","2","2","7","7","1") = "6"
    & skf21("4","6","7","2","3","1","1","1") = "6"
    & skf21("4","6","7","2","3","1","2","1") = "6"
    & skf21("4","6","7","2","3","1","3","1") = "6"
    & skf21("4","6","7","2","3","1","4","1") = "6"
    & skf21("4","6","7","2","3","1","5","1") = "6"
    & skf21("4","6","7","2","3","1","6","1") = "6"
    & skf21("4","6","7","2","3","1","7","1") = "6"
    & skf21("4","6","7","2","3","2","1","1") = "6"
    & skf21("4","6","7","2","3","2","2","1") = "6"
    & skf21("4","6","7","2","3","2","3","1") = "6"
    & skf21("4","6","7","2","3","2","4","1") = "6"
    & skf21("4","6","7","2","3","2","5","1") = "6"
    & skf21("4","6","7","2","3","2","6","1") = "6"
    & skf21("4","6","7","2","3","2","7","1") = "6"
    & skf21("4","6","7","2","3","3","1","1") = "6"
    & skf21("4","6","7","2","3","3","2","1") = "6"
    & skf21("4","6","7","2","3","3","3","1") = "6"
    & skf21("4","6","7","2","3","3","4","1") = "6"
    & skf21("4","6","7","2","3","3","5","1") = "6"
    & skf21("4","6","7","2","3","3","6","1") = "6"
    & skf21("4","6","7","2","3","3","7","1") = "6"
    & skf21("4","6","7","2","3","4","1","1") = "6"
    & skf21("4","6","7","2","3","4","2","1") = "6"
    & skf21("4","6","7","2","3","4","3","1") = "6"
    & skf21("4","6","7","2","3","4","4","1") = "6"
    & skf21("4","6","7","2","3","4","5","1") = "6"
    & skf21("4","6","7","2","3","4","6","1") = "6"
    & skf21("4","6","7","2","3","4","7","1") = "6"
    & skf21("4","6","7","2","3","5","1","1") = "6"
    & skf21("4","6","7","2","3","5","2","1") = "6"
    & skf21("4","6","7","2","3","5","3","1") = "6"
    & skf21("4","6","7","2","3","5","4","1") = "6"
    & skf21("4","6","7","2","3","5","5","1") = "6"
    & skf21("4","6","7","2","3","5","6","1") = "6"
    & skf21("4","6","7","2","3","5","7","1") = "6"
    & skf21("4","6","7","2","3","6","1","1") = "6"
    & skf21("4","6","7","2","3","6","2","1") = "6"
    & skf21("4","6","7","2","3","6","3","1") = "6"
    & skf21("4","6","7","2","3","6","4","1") = "6"
    & skf21("4","6","7","2","3","6","5","1") = "6"
    & skf21("4","6","7","2","3","6","6","1") = "6"
    & skf21("4","6","7","2","3","6","7","1") = "6"
    & skf21("4","6","7","2","3","7","1","1") = "6"
    & skf21("4","6","7","2","3","7","2","1") = "6"
    & skf21("4","6","7","2","3","7","3","1") = "6"
    & skf21("4","6","7","2","3","7","4","1") = "6"
    & skf21("4","6","7","2","3","7","5","1") = "6"
    & skf21("4","6","7","2","3","7","6","1") = "6"
    & skf21("4","6","7","2","3","7","7","1") = "6"
    & skf21("4","6","7","2","4","1","1","1") = "6"
    & skf21("4","6","7","2","4","1","2","1") = "6"
    & skf21("4","6","7","2","4","1","3","1") = "6"
    & skf21("4","6","7","2","4","1","4","1") = "6"
    & skf21("4","6","7","2","4","1","5","1") = "6"
    & skf21("4","6","7","2","4","1","6","1") = "6"
    & skf21("4","6","7","2","4","1","7","1") = "6"
    & skf21("4","6","7","2","4","2","1","1") = "6"
    & skf21("4","6","7","2","4","2","2","1") = "6"
    & skf21("4","6","7","2","4","2","3","1") = "6"
    & skf21("4","6","7","2","4","2","4","1") = "6"
    & skf21("4","6","7","2","4","2","5","1") = "6"
    & skf21("4","6","7","2","4","2","6","1") = "6"
    & skf21("4","6","7","2","4","2","7","1") = "6"
    & skf21("4","6","7","2","4","3","1","1") = "6"
    & skf21("4","6","7","2","4","3","2","1") = "6"
    & skf21("4","6","7","2","4","3","3","1") = "6"
    & skf21("4","6","7","2","4","3","4","1") = "6"
    & skf21("4","6","7","2","4","3","5","1") = "6"
    & skf21("4","6","7","2","4","3","6","1") = "6"
    & skf21("4","6","7","2","4","3","7","1") = "6"
    & skf21("4","6","7","2","4","4","1","1") = "6"
    & skf21("4","6","7","2","4","4","2","1") = "6"
    & skf21("4","6","7","2","4","4","3","1") = "6"
    & skf21("4","6","7","2","4","4","4","1") = "6"
    & skf21("4","6","7","2","4","4","5","1") = "6"
    & skf21("4","6","7","2","4","4","6","1") = "6"
    & skf21("4","6","7","2","4","4","7","1") = "6"
    & skf21("4","6","7","2","4","5","1","1") = "6"
    & skf21("4","6","7","2","4","5","2","1") = "6"
    & skf21("4","6","7","2","4","5","3","1") = "6"
    & skf21("4","6","7","2","4","5","4","1") = "6"
    & skf21("4","6","7","2","4","5","5","1") = "6"
    & skf21("4","6","7","2","4","5","6","1") = "6"
    & skf21("4","6","7","2","4","5","7","1") = "6"
    & skf21("4","6","7","2","4","6","1","1") = "6"
    & skf21("4","6","7","2","4","6","2","1") = "6"
    & skf21("4","6","7","2","4","6","3","1") = "6"
    & skf21("4","6","7","2","4","6","4","1") = "6"
    & skf21("4","6","7","2","4","6","5","1") = "6"
    & skf21("4","6","7","2","4","6","6","1") = "6"
    & skf21("4","6","7","2","4","6","7","1") = "6"
    & skf21("4","6","7","2","4","7","1","1") = "6"
    & skf21("4","6","7","2","4","7","2","1") = "6"
    & skf21("4","6","7","2","4","7","3","1") = "6"
    & skf21("4","6","7","2","4","7","4","1") = "6"
    & skf21("4","6","7","2","4","7","5","1") = "6"
    & skf21("4","6","7","2","4","7","6","1") = "6"
    & skf21("4","6","7","2","4","7","7","1") = "6"
    & skf21("4","6","7","2","5","1","1","1") = "6"
    & skf21("4","6","7","2","5","1","2","1") = "6"
    & skf21("4","6","7","2","5","1","3","1") = "6"
    & skf21("4","6","7","2","5","1","4","1") = "6"
    & skf21("4","6","7","2","5","1","5","1") = "6"
    & skf21("4","6","7","2","5","1","6","1") = "6"
    & skf21("4","6","7","2","5","1","7","1") = "6"
    & skf21("4","6","7","2","5","2","1","1") = "6"
    & skf21("4","6","7","2","5","2","2","1") = "6"
    & skf21("4","6","7","2","5","2","3","1") = "6"
    & skf21("4","6","7","2","5","2","4","1") = "6"
    & skf21("4","6","7","2","5","2","5","1") = "6"
    & skf21("4","6","7","2","5","2","6","1") = "6"
    & skf21("4","6","7","2","5","2","7","1") = "6"
    & skf21("4","6","7","2","5","3","1","1") = "6"
    & skf21("4","6","7","2","5","3","2","1") = "6"
    & skf21("4","6","7","2","5","3","3","1") = "6"
    & skf21("4","6","7","2","5","3","4","1") = "6"
    & skf21("4","6","7","2","5","3","5","1") = "6"
    & skf21("4","6","7","2","5","3","6","1") = "6"
    & skf21("4","6","7","2","5","3","7","1") = "6"
    & skf21("4","6","7","2","5","4","1","1") = "6"
    & skf21("4","6","7","2","5","4","2","1") = "6"
    & skf21("4","6","7","2","5","4","3","1") = "6"
    & skf21("4","6","7","2","5","4","4","1") = "6"
    & skf21("4","6","7","2","5","4","5","1") = "6"
    & skf21("4","6","7","2","5","4","6","1") = "6"
    & skf21("4","6","7","2","5","4","7","1") = "6"
    & skf21("4","6","7","2","5","5","1","1") = "6"
    & skf21("4","6","7","2","5","5","2","1") = "6"
    & skf21("4","6","7","2","5","5","3","1") = "6"
    & skf21("4","6","7","2","5","5","4","1") = "6"
    & skf21("4","6","7","2","5","5","5","1") = "6"
    & skf21("4","6","7","2","5","5","6","1") = "6"
    & skf21("4","6","7","2","5","5","7","1") = "6"
    & skf21("4","6","7","2","5","6","1","1") = "6"
    & skf21("4","6","7","2","5","6","2","1") = "6"
    & skf21("4","6","7","2","5","6","3","1") = "6"
    & skf21("4","6","7","2","5","6","4","1") = "6"
    & skf21("4","6","7","2","5","6","5","1") = "6"
    & skf21("4","6","7","2","5","6","6","1") = "6"
    & skf21("4","6","7","2","5","6","7","1") = "6"
    & skf21("4","6","7","2","5","7","1","1") = "6"
    & skf21("4","6","7","2","5","7","2","1") = "6"
    & skf21("4","6","7","2","5","7","3","1") = "6"
    & skf21("4","6","7","2","5","7","4","1") = "6"
    & skf21("4","6","7","2","5","7","5","1") = "6"
    & skf21("4","6","7","2","5","7","6","1") = "6"
    & skf21("4","6","7","2","5","7","7","1") = "6"
    & skf21("4","6","7","2","6","1","1","1") = "6"
    & skf21("4","6","7","2","6","1","2","1") = "6"
    & skf21("4","6","7","2","6","1","3","1") = "6"
    & skf21("4","6","7","2","6","1","4","1") = "6"
    & skf21("4","6","7","2","6","1","5","1") = "6"
    & skf21("4","6","7","2","6","1","6","1") = "6"
    & skf21("4","6","7","2","6","1","7","1") = "6"
    & skf21("4","6","7","2","6","2","1","1") = "6"
    & skf21("4","6","7","2","6","2","2","1") = "6"
    & skf21("4","6","7","2","6","2","3","1") = "6"
    & skf21("4","6","7","2","6","2","4","1") = "6"
    & skf21("4","6","7","2","6","2","5","1") = "6"
    & skf21("4","6","7","2","6","2","6","1") = "6"
    & skf21("4","6","7","2","6","2","7","1") = "6"
    & skf21("4","6","7","2","6","3","1","1") = "6"
    & skf21("4","6","7","2","6","3","2","1") = "6"
    & skf21("4","6","7","2","6","3","3","1") = "6"
    & skf21("4","6","7","2","6","3","4","1") = "6"
    & skf21("4","6","7","2","6","3","5","1") = "6"
    & skf21("4","6","7","2","6","3","6","1") = "6"
    & skf21("4","6","7","2","6","3","7","1") = "6"
    & skf21("4","6","7","2","6","4","1","1") = "6"
    & skf21("4","6","7","2","6","4","2","1") = "6"
    & skf21("4","6","7","2","6","4","3","1") = "6"
    & skf21("4","6","7","2","6","4","4","1") = "6"
    & skf21("4","6","7","2","6","4","5","1") = "6"
    & skf21("4","6","7","2","6","4","6","1") = "6"
    & skf21("4","6","7","2","6","4","7","1") = "6"
    & skf21("4","6","7","2","6","5","1","1") = "6"
    & skf21("4","6","7","2","6","5","2","1") = "6"
    & skf21("4","6","7","2","6","5","3","1") = "6"
    & skf21("4","6","7","2","6","5","4","1") = "6"
    & skf21("4","6","7","2","6","5","5","1") = "6"
    & skf21("4","6","7","2","6","5","6","1") = "6"
    & skf21("4","6","7","2","6","5","7","1") = "6"
    & skf21("4","6","7","2","6","6","1","1") = "6"
    & skf21("4","6","7","2","6","6","2","1") = "6"
    & skf21("4","6","7","2","6","6","3","1") = "6"
    & skf21("4","6","7","2","6","6","4","1") = "6"
    & skf21("4","6","7","2","6","6","5","1") = "6"
    & skf21("4","6","7","2","6","6","6","1") = "6"
    & skf21("4","6","7","2","6","6","7","1") = "6"
    & skf21("4","6","7","2","6","7","1","1") = "6"
    & skf21("4","6","7","2","6","7","2","1") = "6"
    & skf21("4","6","7","2","6","7","3","1") = "6"
    & skf21("4","6","7","2","6","7","4","1") = "6"
    & skf21("4","6","7","2","6","7","5","1") = "6"
    & skf21("4","6","7","2","6","7","6","1") = "6"
    & skf21("4","6","7","2","6","7","7","1") = "6"
    & skf21("4","6","7","2","7","1","1","1") = "6"
    & skf21("4","6","7","2","7","1","2","1") = "6"
    & skf21("4","6","7","2","7","1","3","1") = "6"
    & skf21("4","6","7","2","7","1","4","1") = "6"
    & skf21("4","6","7","2","7","1","5","1") = "6"
    & skf21("4","6","7","2","7","1","6","1") = "6"
    & skf21("4","6","7","2","7","1","7","1") = "6"
    & skf21("4","6","7","2","7","2","1","1") = "6"
    & skf21("4","6","7","2","7","2","2","1") = "6"
    & skf21("4","6","7","2","7","2","3","1") = "6"
    & skf21("4","6","7","2","7","2","4","1") = "6"
    & skf21("4","6","7","2","7","2","5","1") = "6"
    & skf21("4","6","7","2","7","2","6","1") = "6"
    & skf21("4","6","7","2","7","2","7","1") = "6"
    & skf21("4","6","7","2","7","3","1","1") = "6"
    & skf21("4","6","7","2","7","3","2","1") = "6"
    & skf21("4","6","7","2","7","3","3","1") = "6"
    & skf21("4","6","7","2","7","3","4","1") = "6"
    & skf21("4","6","7","2","7","3","5","1") = "6"
    & skf21("4","6","7","2","7","3","6","1") = "6"
    & skf21("4","6","7","2","7","3","7","1") = "6"
    & skf21("4","6","7","2","7","4","1","1") = "6"
    & skf21("4","6","7","2","7","4","2","1") = "6"
    & skf21("4","6","7","2","7","4","3","1") = "6"
    & skf21("4","6","7","2","7","4","4","1") = "6"
    & skf21("4","6","7","2","7","4","5","1") = "6"
    & skf21("4","6","7","2","7","4","6","1") = "6"
    & skf21("4","6","7","2","7","4","7","1") = "6"
    & skf21("4","6","7","2","7","5","1","1") = "6"
    & skf21("4","6","7","2","7","5","2","1") = "6"
    & skf21("4","6","7","2","7","5","3","1") = "6"
    & skf21("4","6","7","2","7","5","4","1") = "6"
    & skf21("4","6","7","2","7","5","5","1") = "6"
    & skf21("4","6","7","2","7","5","6","1") = "6"
    & skf21("4","6","7","2","7","5","7","1") = "6"
    & skf21("4","6","7","2","7","6","1","1") = "6"
    & skf21("4","6","7","2","7","6","2","1") = "6"
    & skf21("4","6","7","2","7","6","3","1") = "6"
    & skf21("4","6","7","2","7","6","4","1") = "6"
    & skf21("4","6","7","2","7","6","5","1") = "6"
    & skf21("4","6","7","2","7","6","6","1") = "6"
    & skf21("4","6","7","2","7","6","7","1") = "6"
    & skf21("4","6","7","2","7","7","1","1") = "6"
    & skf21("4","6","7","2","7","7","2","1") = "6"
    & skf21("4","6","7","2","7","7","3","1") = "6"
    & skf21("4","6","7","2","7","7","4","1") = "6"
    & skf21("4","6","7","2","7","7","5","1") = "6"
    & skf21("4","6","7","2","7","7","6","1") = "6"
    & skf21("4","6","7","2","7","7","7","1") = "6"
    & skf21("4","6","7","3","1","1","1","1") = "6"
    & skf21("4","6","7","3","1","1","2","1") = "6"
    & skf21("4","6","7","3","1","1","3","1") = "6"
    & skf21("4","6","7","3","1","1","4","1") = "6"
    & skf21("4","6","7","3","1","1","5","1") = "6"
    & skf21("4","6","7","3","1","1","6","1") = "6"
    & skf21("4","6","7","3","1","1","7","1") = "6"
    & skf21("4","6","7","3","1","2","1","1") = "6"
    & skf21("4","6","7","3","1","2","2","1") = "6"
    & skf21("4","6","7","3","1","2","3","1") = "6"
    & skf21("4","6","7","3","1","2","4","1") = "6"
    & skf21("4","6","7","3","1","2","5","1") = "6"
    & skf21("4","6","7","3","1","2","6","1") = "6"
    & skf21("4","6","7","3","1","2","7","1") = "6"
    & skf21("4","6","7","3","1","3","1","1") = "6"
    & skf21("4","6","7","3","1","3","2","1") = "6"
    & skf21("4","6","7","3","1","3","3","1") = "6"
    & skf21("4","6","7","3","1","3","4","1") = "6"
    & skf21("4","6","7","3","1","3","5","1") = "6"
    & skf21("4","6","7","3","1","3","6","1") = "6"
    & skf21("4","6","7","3","1","3","7","1") = "6"
    & skf21("4","6","7","3","1","4","1","1") = "6"
    & skf21("4","6","7","3","1","4","2","1") = "6"
    & skf21("4","6","7","3","1","4","3","1") = "6"
    & skf21("4","6","7","3","1","4","4","1") = "6"
    & skf21("4","6","7","3","1","4","5","1") = "6"
    & skf21("4","6","7","3","1","4","6","1") = "6"
    & skf21("4","6","7","3","1","4","7","1") = "6"
    & skf21("4","6","7","3","1","5","1","1") = "6"
    & skf21("4","6","7","3","1","5","2","1") = "6"
    & skf21("4","6","7","3","1","5","3","1") = "6"
    & skf21("4","6","7","3","1","5","4","1") = "6"
    & skf21("4","6","7","3","1","5","5","1") = "6"
    & skf21("4","6","7","3","1","5","6","1") = "6"
    & skf21("4","6","7","3","1","5","7","1") = "6"
    & skf21("4","6","7","3","1","6","1","1") = "6"
    & skf21("4","6","7","3","1","6","2","1") = "6"
    & skf21("4","6","7","3","1","6","3","1") = "6"
    & skf21("4","6","7","3","1","6","4","1") = "6"
    & skf21("4","6","7","3","1","6","5","1") = "6"
    & skf21("4","6","7","3","1","6","6","1") = "6"
    & skf21("4","6","7","3","1","6","7","1") = "6"
    & skf21("4","6","7","3","1","7","1","1") = "6"
    & skf21("4","6","7","3","1","7","2","1") = "6"
    & skf21("4","6","7","3","1","7","3","1") = "6"
    & skf21("4","6","7","3","1","7","4","1") = "6"
    & skf21("4","6","7","3","1","7","5","1") = "6"
    & skf21("4","6","7","3","1","7","6","1") = "6"
    & skf21("4","6","7","3","1","7","7","1") = "6"
    & skf21("4","6","7","3","2","1","1","1") = "6"
    & skf21("4","6","7","3","2","1","2","1") = "6"
    & skf21("4","6","7","3","2","1","3","1") = "6"
    & skf21("4","6","7","3","2","1","4","1") = "6"
    & skf21("4","6","7","3","2","1","5","1") = "6"
    & skf21("4","6","7","3","2","1","6","1") = "6"
    & skf21("4","6","7","3","2","1","7","1") = "6"
    & skf21("4","6","7","3","2","2","1","1") = "6"
    & skf21("4","6","7","3","2","2","2","1") = "6"
    & skf21("4","6","7","3","2","2","3","1") = "6"
    & skf21("4","6","7","3","2","2","4","1") = "6"
    & skf21("4","6","7","3","2","2","5","1") = "6"
    & skf21("4","6","7","3","2","2","6","1") = "6"
    & skf21("4","6","7","3","2","2","7","1") = "6"
    & skf21("4","6","7","3","2","3","1","1") = "6"
    & skf21("4","6","7","3","2","3","2","1") = "6"
    & skf21("4","6","7","3","2","3","3","1") = "6"
    & skf21("4","6","7","3","2","3","4","1") = "6"
    & skf21("4","6","7","3","2","3","5","1") = "6"
    & skf21("4","6","7","3","2","3","6","1") = "6"
    & skf21("4","6","7","3","2","3","7","1") = "6"
    & skf21("4","6","7","3","2","4","1","1") = "6"
    & skf21("4","6","7","3","2","4","2","1") = "6"
    & skf21("4","6","7","3","2","4","3","1") = "6"
    & skf21("4","6","7","3","2","4","4","1") = "6"
    & skf21("4","6","7","3","2","4","5","1") = "6"
    & skf21("4","6","7","3","2","4","6","1") = "6"
    & skf21("4","6","7","3","2","4","7","1") = "6"
    & skf21("4","6","7","3","2","5","1","1") = "6"
    & skf21("4","6","7","3","2","5","2","1") = "6"
    & skf21("4","6","7","3","2","5","3","1") = "6"
    & skf21("4","6","7","3","2","5","4","1") = "6"
    & skf21("4","6","7","3","2","5","5","1") = "6"
    & skf21("4","6","7","3","2","5","6","1") = "6"
    & skf21("4","6","7","3","2","5","7","1") = "6"
    & skf21("4","6","7","3","2","6","1","1") = "6"
    & skf21("4","6","7","3","2","6","2","1") = "6"
    & skf21("4","6","7","3","2","6","3","1") = "6"
    & skf21("4","6","7","3","2","6","4","1") = "6"
    & skf21("4","6","7","3","2","6","5","1") = "6"
    & skf21("4","6","7","3","2","6","6","1") = "6"
    & skf21("4","6","7","3","2","6","7","1") = "6"
    & skf21("4","6","7","3","2","7","1","1") = "6"
    & skf21("4","6","7","3","2","7","2","1") = "6"
    & skf21("4","6","7","3","2","7","3","1") = "6"
    & skf21("4","6","7","3","2","7","4","1") = "6"
    & skf21("4","6","7","3","2","7","5","1") = "6"
    & skf21("4","6","7","3","2","7","6","1") = "6"
    & skf21("4","6","7","3","2","7","7","1") = "6"
    & skf21("4","6","7","3","3","1","1","1") = "6"
    & skf21("4","6","7","3","3","1","2","1") = "6"
    & skf21("4","6","7","3","3","1","3","1") = "6"
    & skf21("4","6","7","3","3","1","4","1") = "6"
    & skf21("4","6","7","3","3","1","5","1") = "6"
    & skf21("4","6","7","3","3","1","6","1") = "6"
    & skf21("4","6","7","3","3","1","7","1") = "6"
    & skf21("4","6","7","3","3","2","1","1") = "6"
    & skf21("4","6","7","3","3","2","2","1") = "6"
    & skf21("4","6","7","3","3","2","3","1") = "6"
    & skf21("4","6","7","3","3","2","4","1") = "6"
    & skf21("4","6","7","3","3","2","5","1") = "6"
    & skf21("4","6","7","3","3","2","6","1") = "6"
    & skf21("4","6","7","3","3","2","7","1") = "6"
    & skf21("4","6","7","3","3","3","1","1") = "6"
    & skf21("4","6","7","3","3","3","2","1") = "6"
    & skf21("4","6","7","3","3","3","3","1") = "6"
    & skf21("4","6","7","3","3","3","4","1") = "6"
    & skf21("4","6","7","3","3","3","5","1") = "6"
    & skf21("4","6","7","3","3","3","6","1") = "6"
    & skf21("4","6","7","3","3","3","7","1") = "6"
    & skf21("4","6","7","3","3","4","1","1") = "6"
    & skf21("4","6","7","3","3","4","2","1") = "6"
    & skf21("4","6","7","3","3","4","3","1") = "6"
    & skf21("4","6","7","3","3","4","4","1") = "6"
    & skf21("4","6","7","3","3","4","5","1") = "6"
    & skf21("4","6","7","3","3","4","6","1") = "6"
    & skf21("4","6","7","3","3","4","7","1") = "6"
    & skf21("4","6","7","3","3","5","1","1") = "6"
    & skf21("4","6","7","3","3","5","2","1") = "6"
    & skf21("4","6","7","3","3","5","3","1") = "6"
    & skf21("4","6","7","3","3","5","4","1") = "6"
    & skf21("4","6","7","3","3","5","5","1") = "6"
    & skf21("4","6","7","3","3","5","6","1") = "6"
    & skf21("4","6","7","3","3","5","7","1") = "6"
    & skf21("4","6","7","3","3","6","1","1") = "6"
    & skf21("4","6","7","3","3","6","2","1") = "6"
    & skf21("4","6","7","3","3","6","3","1") = "6"
    & skf21("4","6","7","3","3","6","4","1") = "6"
    & skf21("4","6","7","3","3","6","5","1") = "6"
    & skf21("4","6","7","3","3","6","6","1") = "6"
    & skf21("4","6","7","3","3","6","7","1") = "6"
    & skf21("4","6","7","3","3","7","1","1") = "6"
    & skf21("4","6","7","3","3","7","2","1") = "6"
    & skf21("4","6","7","3","3","7","3","1") = "6"
    & skf21("4","6","7","3","3","7","4","1") = "6"
    & skf21("4","6","7","3","3","7","5","1") = "6"
    & skf21("4","6","7","3","3","7","6","1") = "6"
    & skf21("4","6","7","3","3","7","7","1") = "6"
    & skf21("4","6","7","3","4","1","1","1") = "6"
    & skf21("4","6","7","3","4","1","2","1") = "6"
    & skf21("4","6","7","3","4","1","3","1") = "6"
    & skf21("4","6","7","3","4","1","4","1") = "6"
    & skf21("4","6","7","3","4","1","5","1") = "6"
    & skf21("4","6","7","3","4","1","6","1") = "6"
    & skf21("4","6","7","3","4","1","7","1") = "6"
    & skf21("4","6","7","3","4","2","1","1") = "6"
    & skf21("4","6","7","3","4","2","2","1") = "6"
    & skf21("4","6","7","3","4","2","3","1") = "6"
    & skf21("4","6","7","3","4","2","4","1") = "6"
    & skf21("4","6","7","3","4","2","5","1") = "6"
    & skf21("4","6","7","3","4","2","6","1") = "6"
    & skf21("4","6","7","3","4","2","7","1") = "6"
    & skf21("4","6","7","3","4","3","1","1") = "6"
    & skf21("4","6","7","3","4","3","2","1") = "6"
    & skf21("4","6","7","3","4","3","3","1") = "6"
    & skf21("4","6","7","3","4","3","4","1") = "6"
    & skf21("4","6","7","3","4","3","5","1") = "6"
    & skf21("4","6","7","3","4","3","6","1") = "6"
    & skf21("4","6","7","3","4","3","7","1") = "6"
    & skf21("4","6","7","3","4","4","1","1") = "6"
    & skf21("4","6","7","3","4","4","2","1") = "6"
    & skf21("4","6","7","3","4","4","3","1") = "6"
    & skf21("4","6","7","3","4","4","4","1") = "6"
    & skf21("4","6","7","3","4","4","5","1") = "6"
    & skf21("4","6","7","3","4","4","6","1") = "6"
    & skf21("4","6","7","3","4","4","7","1") = "6"
    & skf21("4","6","7","3","4","5","1","1") = "6"
    & skf21("4","6","7","3","4","5","2","1") = "6"
    & skf21("4","6","7","3","4","5","3","1") = "6"
    & skf21("4","6","7","3","4","5","4","1") = "6"
    & skf21("4","6","7","3","4","5","5","1") = "6"
    & skf21("4","6","7","3","4","5","6","1") = "6"
    & skf21("4","6","7","3","4","5","7","1") = "6"
    & skf21("4","6","7","3","4","6","1","1") = "6"
    & skf21("4","6","7","3","4","6","2","1") = "6"
    & skf21("4","6","7","3","4","6","3","1") = "6"
    & skf21("4","6","7","3","4","6","4","1") = "6"
    & skf21("4","6","7","3","4","6","5","1") = "6"
    & skf21("4","6","7","3","4","6","6","1") = "6"
    & skf21("4","6","7","3","4","6","7","1") = "6"
    & skf21("4","6","7","3","4","7","1","1") = "6"
    & skf21("4","6","7","3","4","7","2","1") = "6"
    & skf21("4","6","7","3","4","7","3","1") = "6"
    & skf21("4","6","7","3","4","7","4","1") = "6"
    & skf21("4","6","7","3","4","7","5","1") = "6"
    & skf21("4","6","7","3","4","7","6","1") = "6"
    & skf21("4","6","7","3","4","7","7","1") = "6"
    & skf21("4","6","7","3","5","1","1","1") = "6"
    & skf21("4","6","7","3","5","1","2","1") = "6"
    & skf21("4","6","7","3","5","1","3","1") = "6"
    & skf21("4","6","7","3","5","1","4","1") = "6"
    & skf21("4","6","7","3","5","1","5","1") = "6"
    & skf21("4","6","7","3","5","1","6","1") = "6"
    & skf21("4","6","7","3","5","1","7","1") = "6"
    & skf21("4","6","7","3","5","2","1","1") = "6"
    & skf21("4","6","7","3","5","2","2","1") = "6"
    & skf21("4","6","7","3","5","2","3","1") = "6"
    & skf21("4","6","7","3","5","2","4","1") = "6"
    & skf21("4","6","7","3","5","2","5","1") = "6"
    & skf21("4","6","7","3","5","2","6","1") = "6"
    & skf21("4","6","7","3","5","2","7","1") = "6"
    & skf21("4","6","7","3","5","3","1","1") = "6"
    & skf21("4","6","7","3","5","3","2","1") = "6"
    & skf21("4","6","7","3","5","3","3","1") = "6"
    & skf21("4","6","7","3","5","3","4","1") = "6"
    & skf21("4","6","7","3","5","3","5","1") = "6"
    & skf21("4","6","7","3","5","3","6","1") = "6"
    & skf21("4","6","7","3","5","3","7","1") = "6"
    & skf21("4","6","7","3","5","4","1","1") = "6"
    & skf21("4","6","7","3","5","4","2","1") = "6"
    & skf21("4","6","7","3","5","4","3","1") = "6"
    & skf21("4","6","7","3","5","4","4","1") = "6"
    & skf21("4","6","7","3","5","4","5","1") = "6"
    & skf21("4","6","7","3","5","4","6","1") = "6"
    & skf21("4","6","7","3","5","4","7","1") = "6"
    & skf21("4","6","7","3","5","5","1","1") = "6"
    & skf21("4","6","7","3","5","5","2","1") = "6"
    & skf21("4","6","7","3","5","5","3","1") = "6"
    & skf21("4","6","7","3","5","5","4","1") = "6"
    & skf21("4","6","7","3","5","5","5","1") = "6"
    & skf21("4","6","7","3","5","5","6","1") = "6"
    & skf21("4","6","7","3","5","5","7","1") = "6"
    & skf21("4","6","7","3","5","6","1","1") = "6"
    & skf21("4","6","7","3","5","6","2","1") = "6"
    & skf21("4","6","7","3","5","6","3","1") = "6"
    & skf21("4","6","7","3","5","6","4","1") = "6"
    & skf21("4","6","7","3","5","6","5","1") = "6"
    & skf21("4","6","7","3","5","6","6","1") = "6"
    & skf21("4","6","7","3","5","6","7","1") = "6"
    & skf21("4","6","7","3","5","7","1","1") = "6"
    & skf21("4","6","7","3","5","7","2","1") = "6"
    & skf21("4","6","7","3","5","7","3","1") = "6"
    & skf21("4","6","7","3","5","7","4","1") = "6"
    & skf21("4","6","7","3","5","7","5","1") = "6"
    & skf21("4","6","7","3","5","7","6","1") = "6"
    & skf21("4","6","7","3","5","7","7","1") = "6"
    & skf21("4","6","7","3","6","1","1","1") = "6"
    & skf21("4","6","7","3","6","1","2","1") = "6"
    & skf21("4","6","7","3","6","1","3","1") = "6"
    & skf21("4","6","7","3","6","1","4","1") = "6"
    & skf21("4","6","7","3","6","1","5","1") = "6"
    & skf21("4","6","7","3","6","1","6","1") = "6"
    & skf21("4","6","7","3","6","1","7","1") = "6"
    & skf21("4","6","7","3","6","2","1","1") = "6"
    & skf21("4","6","7","3","6","2","2","1") = "6"
    & skf21("4","6","7","3","6","2","3","1") = "6"
    & skf21("4","6","7","3","6","2","4","1") = "6"
    & skf21("4","6","7","3","6","2","5","1") = "6"
    & skf21("4","6","7","3","6","2","6","1") = "6"
    & skf21("4","6","7","3","6","2","7","1") = "6"
    & skf21("4","6","7","3","6","3","1","1") = "6"
    & skf21("4","6","7","3","6","3","2","1") = "6"
    & skf21("4","6","7","3","6","3","3","1") = "6"
    & skf21("4","6","7","3","6","3","4","1") = "6"
    & skf21("4","6","7","3","6","3","5","1") = "6"
    & skf21("4","6","7","3","6","3","6","1") = "6"
    & skf21("4","6","7","3","6","3","7","1") = "6"
    & skf21("4","6","7","3","6","4","1","1") = "6"
    & skf21("4","6","7","3","6","4","2","1") = "6"
    & skf21("4","6","7","3","6","4","3","1") = "6"
    & skf21("4","6","7","3","6","4","4","1") = "6"
    & skf21("4","6","7","3","6","4","5","1") = "6"
    & skf21("4","6","7","3","6","4","6","1") = "6"
    & skf21("4","6","7","3","6","4","7","1") = "6"
    & skf21("4","6","7","3","6","5","1","1") = "6"
    & skf21("4","6","7","3","6","5","2","1") = "6"
    & skf21("4","6","7","3","6","5","3","1") = "6"
    & skf21("4","6","7","3","6","5","4","1") = "6"
    & skf21("4","6","7","3","6","5","5","1") = "6"
    & skf21("4","6","7","3","6","5","6","1") = "6"
    & skf21("4","6","7","3","6","5","7","1") = "6"
    & skf21("4","6","7","3","6","6","1","1") = "6"
    & skf21("4","6","7","3","6","6","2","1") = "6"
    & skf21("4","6","7","3","6","6","3","1") = "6"
    & skf21("4","6","7","3","6","6","4","1") = "6"
    & skf21("4","6","7","3","6","6","5","1") = "6"
    & skf21("4","6","7","3","6","6","6","1") = "6"
    & skf21("4","6","7","3","6","6","7","1") = "6"
    & skf21("4","6","7","3","6","7","1","1") = "6"
    & skf21("4","6","7","3","6","7","2","1") = "6"
    & skf21("4","6","7","3","6","7","3","1") = "6"
    & skf21("4","6","7","3","6","7","4","1") = "6"
    & skf21("4","6","7","3","6","7","5","1") = "6"
    & skf21("4","6","7","3","6","7","6","1") = "6"
    & skf21("4","6","7","3","6","7","7","1") = "6"
    & skf21("4","6","7","3","7","1","1","1") = "6"
    & skf21("4","6","7","3","7","1","2","1") = "6"
    & skf21("4","6","7","3","7","1","3","1") = "6"
    & skf21("4","6","7","3","7","1","4","1") = "6"
    & skf21("4","6","7","3","7","1","5","1") = "6"
    & skf21("4","6","7","3","7","1","6","1") = "6"
    & skf21("4","6","7","3","7","1","7","1") = "6"
    & skf21("4","6","7","3","7","2","1","1") = "6"
    & skf21("4","6","7","3","7","2","2","1") = "6"
    & skf21("4","6","7","3","7","2","3","1") = "6"
    & skf21("4","6","7","3","7","2","4","1") = "6"
    & skf21("4","6","7","3","7","2","5","1") = "6"
    & skf21("4","6","7","3","7","2","6","1") = "6"
    & skf21("4","6","7","3","7","2","7","1") = "6"
    & skf21("4","6","7","3","7","3","1","1") = "6"
    & skf21("4","6","7","3","7","3","2","1") = "6"
    & skf21("4","6","7","3","7","3","3","1") = "6"
    & skf21("4","6","7","3","7","3","4","1") = "6"
    & skf21("4","6","7","3","7","3","5","1") = "6"
    & skf21("4","6","7","3","7","3","6","1") = "6"
    & skf21("4","6","7","3","7","3","7","1") = "6"
    & skf21("4","6","7","3","7","4","1","1") = "6"
    & skf21("4","6","7","3","7","4","2","1") = "6"
    & skf21("4","6","7","3","7","4","3","1") = "6"
    & skf21("4","6","7","3","7","4","4","1") = "6"
    & skf21("4","6","7","3","7","4","5","1") = "6"
    & skf21("4","6","7","3","7","4","6","1") = "6"
    & skf21("4","6","7","3","7","4","7","1") = "6"
    & skf21("4","6","7","3","7","5","1","1") = "6"
    & skf21("4","6","7","3","7","5","2","1") = "6"
    & skf21("4","6","7","3","7","5","3","1") = "6"
    & skf21("4","6","7","3","7","5","4","1") = "6"
    & skf21("4","6","7","3","7","5","5","1") = "6"
    & skf21("4","6","7","3","7","5","6","1") = "6"
    & skf21("4","6","7","3","7","5","7","1") = "6"
    & skf21("4","6","7","3","7","6","1","1") = "6"
    & skf21("4","6","7","3","7","6","2","1") = "6"
    & skf21("4","6","7","3","7","6","3","1") = "6"
    & skf21("4","6","7","3","7","6","4","1") = "6"
    & skf21("4","6","7","3","7","6","5","1") = "6"
    & skf21("4","6","7","3","7","6","6","1") = "6"
    & skf21("4","6","7","3","7","6","7","1") = "6"
    & skf21("4","6","7","3","7","7","1","1") = "6"
    & skf21("4","6","7","3","7","7","2","1") = "6"
    & skf21("4","6","7","3","7","7","3","1") = "6"
    & skf21("4","6","7","3","7","7","4","1") = "6"
    & skf21("4","6","7","3","7","7","5","1") = "6"
    & skf21("4","6","7","3","7","7","6","1") = "6"
    & skf21("4","6","7","3","7","7","7","1") = "6"
    & skf21("4","6","7","4","1","1","1","1") = "6"
    & skf21("4","6","7","4","1","1","2","1") = "6"
    & skf21("4","6","7","4","1","1","3","1") = "6"
    & skf21("4","6","7","4","1","1","4","1") = "6"
    & skf21("4","6","7","4","1","1","5","1") = "6"
    & skf21("4","6","7","4","1","1","6","1") = "6"
    & skf21("4","6","7","4","1","1","7","1") = "6"
    & skf21("4","6","7","4","1","2","1","1") = "6"
    & skf21("4","6","7","4","1","2","2","1") = "6"
    & skf21("4","6","7","4","1","2","3","1") = "6"
    & skf21("4","6","7","4","1","2","4","1") = "6"
    & skf21("4","6","7","4","1","2","5","1") = "6"
    & skf21("4","6","7","4","1","2","6","1") = "6"
    & skf21("4","6","7","4","1","2","7","1") = "6"
    & skf21("4","6","7","4","1","3","1","1") = "6"
    & skf21("4","6","7","4","1","3","2","1") = "6"
    & skf21("4","6","7","4","1","3","3","1") = "6"
    & skf21("4","6","7","4","1","3","4","1") = "6"
    & skf21("4","6","7","4","1","3","5","1") = "6"
    & skf21("4","6","7","4","1","3","6","1") = "6"
    & skf21("4","6","7","4","1","3","7","1") = "6"
    & skf21("4","6","7","4","1","4","1","1") = "6"
    & skf21("4","6","7","4","1","4","2","1") = "6"
    & skf21("4","6","7","4","1","4","3","1") = "6"
    & skf21("4","6","7","4","1","4","4","1") = "6"
    & skf21("4","6","7","4","1","4","5","1") = "6"
    & skf21("4","6","7","4","1","4","6","1") = "6"
    & skf21("4","6","7","4","1","4","7","1") = "6"
    & skf21("4","6","7","4","1","5","1","1") = "6"
    & skf21("4","6","7","4","1","5","2","1") = "6"
    & skf21("4","6","7","4","1","5","3","1") = "6"
    & skf21("4","6","7","4","1","5","4","1") = "6"
    & skf21("4","6","7","4","1","5","5","1") = "6"
    & skf21("4","6","7","4","1","5","6","1") = "6"
    & skf21("4","6","7","4","1","5","7","1") = "6"
    & skf21("4","6","7","4","1","6","1","1") = "6"
    & skf21("4","6","7","4","1","6","2","1") = "6"
    & skf21("4","6","7","4","1","6","3","1") = "6"
    & skf21("4","6","7","4","1","6","4","1") = "6"
    & skf21("4","6","7","4","1","6","5","1") = "6"
    & skf21("4","6","7","4","1","6","6","1") = "6"
    & skf21("4","6","7","4","1","6","7","1") = "6"
    & skf21("4","6","7","4","1","7","1","1") = "6"
    & skf21("4","6","7","4","1","7","2","1") = "6"
    & skf21("4","6","7","4","1","7","3","1") = "6"
    & skf21("4","6","7","4","1","7","4","1") = "6"
    & skf21("4","6","7","4","1","7","5","1") = "6"
    & skf21("4","6","7","4","1","7","6","1") = "6"
    & skf21("4","6","7","4","1","7","7","1") = "6"
    & skf21("4","6","7","4","2","1","1","1") = "6"
    & skf21("4","6","7","4","2","1","2","1") = "6"
    & skf21("4","6","7","4","2","1","3","1") = "6"
    & skf21("4","6","7","4","2","1","4","1") = "6"
    & skf21("4","6","7","4","2","1","5","1") = "6"
    & skf21("4","6","7","4","2","1","6","1") = "6"
    & skf21("4","6","7","4","2","1","7","1") = "6"
    & skf21("4","6","7","4","2","2","1","1") = "6"
    & skf21("4","6","7","4","2","2","2","1") = "6"
    & skf21("4","6","7","4","2","2","3","1") = "6"
    & skf21("4","6","7","4","2","2","4","1") = "6"
    & skf21("4","6","7","4","2","2","5","1") = "6"
    & skf21("4","6","7","4","2","2","6","1") = "6"
    & skf21("4","6","7","4","2","2","7","1") = "6"
    & skf21("4","6","7","4","2","3","1","1") = "6"
    & skf21("4","6","7","4","2","3","2","1") = "6"
    & skf21("4","6","7","4","2","3","3","1") = "6"
    & skf21("4","6","7","4","2","3","4","1") = "6"
    & skf21("4","6","7","4","2","3","5","1") = "6"
    & skf21("4","6","7","4","2","3","6","1") = "6"
    & skf21("4","6","7","4","2","3","7","1") = "6"
    & skf21("4","6","7","4","2","4","1","1") = "6"
    & skf21("4","6","7","4","2","4","2","1") = "6"
    & skf21("4","6","7","4","2","4","3","1") = "6"
    & skf21("4","6","7","4","2","4","4","1") = "6"
    & skf21("4","6","7","4","2","4","5","1") = "6"
    & skf21("4","6","7","4","2","4","6","1") = "6"
    & skf21("4","6","7","4","2","4","7","1") = "6"
    & skf21("4","6","7","4","2","5","1","1") = "6"
    & skf21("4","6","7","4","2","5","2","1") = "6"
    & skf21("4","6","7","4","2","5","3","1") = "6"
    & skf21("4","6","7","4","2","5","4","1") = "6"
    & skf21("4","6","7","4","2","5","5","1") = "6"
    & skf21("4","6","7","4","2","5","6","1") = "6"
    & skf21("4","6","7","4","2","5","7","1") = "6"
    & skf21("4","6","7","4","2","6","1","1") = "6"
    & skf21("4","6","7","4","2","6","2","1") = "6"
    & skf21("4","6","7","4","2","6","3","1") = "6"
    & skf21("4","6","7","4","2","6","4","1") = "6"
    & skf21("4","6","7","4","2","6","5","1") = "6"
    & skf21("4","6","7","4","2","6","6","1") = "6"
    & skf21("4","6","7","4","2","6","7","1") = "6"
    & skf21("4","6","7","4","2","7","1","1") = "6"
    & skf21("4","6","7","4","2","7","2","1") = "6"
    & skf21("4","6","7","4","2","7","3","1") = "6"
    & skf21("4","6","7","4","2","7","4","1") = "6"
    & skf21("4","6","7","4","2","7","5","1") = "6"
    & skf21("4","6","7","4","2","7","6","1") = "6"
    & skf21("4","6","7","4","2","7","7","1") = "6"
    & skf21("4","6","7","4","3","1","1","1") = "6"
    & skf21("4","6","7","4","3","1","2","1") = "6"
    & skf21("4","6","7","4","3","1","3","1") = "6"
    & skf21("4","6","7","4","3","1","4","1") = "6"
    & skf21("4","6","7","4","3","1","5","1") = "6"
    & skf21("4","6","7","4","3","1","6","1") = "6"
    & skf21("4","6","7","4","3","1","7","1") = "6"
    & skf21("4","6","7","4","3","2","1","1") = "6"
    & skf21("4","6","7","4","3","2","2","1") = "6"
    & skf21("4","6","7","4","3","2","3","1") = "6"
    & skf21("4","6","7","4","3","2","4","1") = "6"
    & skf21("4","6","7","4","3","2","5","1") = "6"
    & skf21("4","6","7","4","3","2","6","1") = "6"
    & skf21("4","6","7","4","3","2","7","1") = "6"
    & skf21("4","6","7","4","3","3","1","1") = "6"
    & skf21("4","6","7","4","3","3","2","1") = "6"
    & skf21("4","6","7","4","3","3","3","1") = "6"
    & skf21("4","6","7","4","3","3","4","1") = "6"
    & skf21("4","6","7","4","3","3","5","1") = "6"
    & skf21("4","6","7","4","3","3","6","1") = "6"
    & skf21("4","6","7","4","3","3","7","1") = "6"
    & skf21("4","6","7","4","3","4","1","1") = "6"
    & skf21("4","6","7","4","3","4","2","1") = "6"
    & skf21("4","6","7","4","3","4","3","1") = "6"
    & skf21("4","6","7","4","3","4","4","1") = "6"
    & skf21("4","6","7","4","3","4","5","1") = "6"
    & skf21("4","6","7","4","3","4","6","1") = "6"
    & skf21("4","6","7","4","3","4","7","1") = "6"
    & skf21("4","6","7","4","3","5","1","1") = "6"
    & skf21("4","6","7","4","3","5","2","1") = "6"
    & skf21("4","6","7","4","3","5","3","1") = "6"
    & skf21("4","6","7","4","3","5","4","1") = "6"
    & skf21("4","6","7","4","3","5","5","1") = "6"
    & skf21("4","6","7","4","3","5","6","1") = "6"
    & skf21("4","6","7","4","3","5","7","1") = "6"
    & skf21("4","6","7","4","3","6","1","1") = "6"
    & skf21("4","6","7","4","3","6","2","1") = "6"
    & skf21("4","6","7","4","3","6","3","1") = "6"
    & skf21("4","6","7","4","3","6","4","1") = "6"
    & skf21("4","6","7","4","3","6","5","1") = "6"
    & skf21("4","6","7","4","3","6","6","1") = "6"
    & skf21("4","6","7","4","3","6","7","1") = "6"
    & skf21("4","6","7","4","3","7","1","1") = "6"
    & skf21("4","6","7","4","3","7","2","1") = "6"
    & skf21("4","6","7","4","3","7","3","1") = "6"
    & skf21("4","6","7","4","3","7","4","1") = "6"
    & skf21("4","6","7","4","3","7","5","1") = "6"
    & skf21("4","6","7","4","3","7","6","1") = "6"
    & skf21("4","6","7","4","3","7","7","1") = "6"
    & skf21("4","6","7","4","4","1","1","1") = "6"
    & skf21("4","6","7","4","4","1","2","1") = "6"
    & skf21("4","6","7","4","4","1","3","1") = "6"
    & skf21("4","6","7","4","4","1","4","1") = "6"
    & skf21("4","6","7","4","4","1","5","1") = "6"
    & skf21("4","6","7","4","4","1","6","1") = "6"
    & skf21("4","6","7","4","4","1","7","1") = "6"
    & skf21("4","6","7","4","4","2","1","1") = "6"
    & skf21("4","6","7","4","4","2","2","1") = "6"
    & skf21("4","6","7","4","4","2","3","1") = "6"
    & skf21("4","6","7","4","4","2","4","1") = "6"
    & skf21("4","6","7","4","4","2","5","1") = "6"
    & skf21("4","6","7","4","4","2","6","1") = "6"
    & skf21("4","6","7","4","4","2","7","1") = "6"
    & skf21("4","6","7","4","4","3","1","1") = "6"
    & skf21("4","6","7","4","4","3","2","1") = "6"
    & skf21("4","6","7","4","4","3","3","1") = "6"
    & skf21("4","6","7","4","4","3","4","1") = "6"
    & skf21("4","6","7","4","4","3","5","1") = "6"
    & skf21("4","6","7","4","4","3","6","1") = "6"
    & skf21("4","6","7","4","4","3","7","1") = "6"
    & skf21("4","6","7","4","4","4","1","1") = "6"
    & skf21("4","6","7","4","4","4","2","1") = "6"
    & skf21("4","6","7","4","4","4","3","1") = "6"
    & skf21("4","6","7","4","4","4","4","1") = "6"
    & skf21("4","6","7","4","4","4","5","1") = "6"
    & skf21("4","6","7","4","4","4","6","1") = "6"
    & skf21("4","6","7","4","4","4","7","1") = "6"
    & skf21("4","6","7","4","4","5","1","1") = "6"
    & skf21("4","6","7","4","4","5","2","1") = "6"
    & skf21("4","6","7","4","4","5","3","1") = "6"
    & skf21("4","6","7","4","4","5","4","1") = "6"
    & skf21("4","6","7","4","4","5","5","1") = "6"
    & skf21("4","6","7","4","4","5","6","1") = "6"
    & skf21("4","6","7","4","4","5","7","1") = "6"
    & skf21("4","6","7","4","4","6","1","1") = "6"
    & skf21("4","6","7","4","4","6","2","1") = "6"
    & skf21("4","6","7","4","4","6","3","1") = "6"
    & skf21("4","6","7","4","4","6","4","1") = "6"
    & skf21("4","6","7","4","4","6","5","1") = "6"
    & skf21("4","6","7","4","4","6","6","1") = "6"
    & skf21("4","6","7","4","4","6","7","1") = "6"
    & skf21("4","6","7","4","4","7","1","1") = "6"
    & skf21("4","6","7","4","4","7","2","1") = "6"
    & skf21("4","6","7","4","4","7","3","1") = "6"
    & skf21("4","6","7","4","4","7","4","1") = "6"
    & skf21("4","6","7","4","4","7","5","1") = "6"
    & skf21("4","6","7","4","4","7","6","1") = "6"
    & skf21("4","6","7","4","4","7","7","1") = "6"
    & skf21("4","6","7","4","5","1","1","1") = "6"
    & skf21("4","6","7","4","5","1","2","1") = "6"
    & skf21("4","6","7","4","5","1","3","1") = "6"
    & skf21("4","6","7","4","5","1","4","1") = "6"
    & skf21("4","6","7","4","5","1","5","1") = "6"
    & skf21("4","6","7","4","5","1","6","1") = "6"
    & skf21("4","6","7","4","5","1","7","1") = "6"
    & skf21("4","6","7","4","5","2","1","1") = "6"
    & skf21("4","6","7","4","5","2","2","1") = "6"
    & skf21("4","6","7","4","5","2","3","1") = "6"
    & skf21("4","6","7","4","5","2","4","1") = "6"
    & skf21("4","6","7","4","5","2","5","1") = "6"
    & skf21("4","6","7","4","5","2","6","1") = "6"
    & skf21("4","6","7","4","5","2","7","1") = "6"
    & skf21("4","6","7","4","5","3","1","1") = "6"
    & skf21("4","6","7","4","5","3","2","1") = "6"
    & skf21("4","6","7","4","5","3","3","1") = "6"
    & skf21("4","6","7","4","5","3","4","1") = "6"
    & skf21("4","6","7","4","5","3","5","1") = "6"
    & skf21("4","6","7","4","5","3","6","1") = "6"
    & skf21("4","6","7","4","5","3","7","1") = "6"
    & skf21("4","6","7","4","5","4","1","1") = "6"
    & skf21("4","6","7","4","5","4","2","1") = "6"
    & skf21("4","6","7","4","5","4","3","1") = "6"
    & skf21("4","6","7","4","5","4","4","1") = "6"
    & skf21("4","6","7","4","5","4","5","1") = "6"
    & skf21("4","6","7","4","5","4","6","1") = "6"
    & skf21("4","6","7","4","5","4","7","1") = "6"
    & skf21("4","6","7","4","5","5","1","1") = "6"
    & skf21("4","6","7","4","5","5","2","1") = "6"
    & skf21("4","6","7","4","5","5","3","1") = "6"
    & skf21("4","6","7","4","5","5","4","1") = "6"
    & skf21("4","6","7","4","5","5","5","1") = "6"
    & skf21("4","6","7","4","5","5","6","1") = "6"
    & skf21("4","6","7","4","5","5","7","1") = "6"
    & skf21("4","6","7","4","5","6","1","1") = "6"
    & skf21("4","6","7","4","5","6","2","1") = "6"
    & skf21("4","6","7","4","5","6","3","1") = "6"
    & skf21("4","6","7","4","5","6","4","1") = "6"
    & skf21("4","6","7","4","5","6","5","1") = "6"
    & skf21("4","6","7","4","5","6","6","1") = "6"
    & skf21("4","6","7","4","5","6","7","1") = "6"
    & skf21("4","6","7","4","5","7","1","1") = "6"
    & skf21("4","6","7","4","5","7","2","1") = "6"
    & skf21("4","6","7","4","5","7","3","1") = "6"
    & skf21("4","6","7","4","5","7","4","1") = "6"
    & skf21("4","6","7","4","5","7","5","1") = "6"
    & skf21("4","6","7","4","5","7","6","1") = "6"
    & skf21("4","6","7","4","5","7","7","1") = "6"
    & skf21("4","6","7","4","6","1","1","1") = "6"
    & skf21("4","6","7","4","6","1","2","1") = "6"
    & skf21("4","6","7","4","6","1","3","1") = "6"
    & skf21("4","6","7","4","6","1","4","1") = "6"
    & skf21("4","6","7","4","6","1","5","1") = "6"
    & skf21("4","6","7","4","6","1","6","1") = "6"
    & skf21("4","6","7","4","6","1","7","1") = "6"
    & skf21("4","6","7","4","6","2","1","1") = "6"
    & skf21("4","6","7","4","6","2","2","1") = "6"
    & skf21("4","6","7","4","6","2","3","1") = "6"
    & skf21("4","6","7","4","6","2","4","1") = "6"
    & skf21("4","6","7","4","6","2","5","1") = "6"
    & skf21("4","6","7","4","6","2","6","1") = "6"
    & skf21("4","6","7","4","6","2","7","1") = "6"
    & skf21("4","6","7","4","6","3","1","1") = "6"
    & skf21("4","6","7","4","6","3","2","1") = "6"
    & skf21("4","6","7","4","6","3","3","1") = "6"
    & skf21("4","6","7","4","6","3","4","1") = "6"
    & skf21("4","6","7","4","6","3","5","1") = "6"
    & skf21("4","6","7","4","6","3","6","1") = "6"
    & skf21("4","6","7","4","6","3","7","1") = "6"
    & skf21("4","6","7","4","6","4","1","1") = "6"
    & skf21("4","6","7","4","6","4","2","1") = "6"
    & skf21("4","6","7","4","6","4","3","1") = "6"
    & skf21("4","6","7","4","6","4","4","1") = "6"
    & skf21("4","6","7","4","6","4","5","1") = "6"
    & skf21("4","6","7","4","6","4","6","1") = "6"
    & skf21("4","6","7","4","6","4","7","1") = "6"
    & skf21("4","6","7","4","6","5","1","1") = "6"
    & skf21("4","6","7","4","6","5","2","1") = "6"
    & skf21("4","6","7","4","6","5","3","1") = "6"
    & skf21("4","6","7","4","6","5","4","1") = "6"
    & skf21("4","6","7","4","6","5","5","1") = "6"
    & skf21("4","6","7","4","6","5","6","1") = "6"
    & skf21("4","6","7","4","6","5","7","1") = "6"
    & skf21("4","6","7","4","6","6","1","1") = "6"
    & skf21("4","6","7","4","6","6","2","1") = "6"
    & skf21("4","6","7","4","6","6","3","1") = "6"
    & skf21("4","6","7","4","6","6","4","1") = "6"
    & skf21("4","6","7","4","6","6","5","1") = "6"
    & skf21("4","6","7","4","6","6","6","1") = "6"
    & skf21("4","6","7","4","6","6","7","1") = "6"
    & skf21("4","6","7","4","6","7","1","1") = "6"
    & skf21("4","6","7","4","6","7","2","1") = "6"
    & skf21("4","6","7","4","6","7","3","1") = "6"
    & skf21("4","6","7","4","6","7","4","1") = "6"
    & skf21("4","6","7","4","6","7","5","1") = "6"
    & skf21("4","6","7","4","6","7","6","1") = "6"
    & skf21("4","6","7","4","6","7","7","1") = "6"
    & skf21("4","6","7","4","7","1","1","1") = "6"
    & skf21("4","6","7","4","7","1","2","1") = "6"
    & skf21("4","6","7","4","7","1","3","1") = "6"
    & skf21("4","6","7","4","7","1","4","1") = "6"
    & skf21("4","6","7","4","7","1","5","1") = "6"
    & skf21("4","6","7","4","7","1","6","1") = "6"
    & skf21("4","6","7","4","7","1","7","1") = "6"
    & skf21("4","6","7","4","7","2","1","1") = "6"
    & skf21("4","6","7","4","7","2","2","1") = "6"
    & skf21("4","6","7","4","7","2","3","1") = "6"
    & skf21("4","6","7","4","7","2","4","1") = "6"
    & skf21("4","6","7","4","7","2","5","1") = "6"
    & skf21("4","6","7","4","7","2","6","1") = "6"
    & skf21("4","6","7","4","7","2","7","1") = "6"
    & skf21("4","6","7","4","7","3","1","1") = "6"
    & skf21("4","6","7","4","7","3","2","1") = "6"
    & skf21("4","6","7","4","7","3","3","1") = "6"
    & skf21("4","6","7","4","7","3","4","1") = "6"
    & skf21("4","6","7","4","7","3","5","1") = "6"
    & skf21("4","6","7","4","7","3","6","1") = "6"
    & skf21("4","6","7","4","7","3","7","1") = "6"
    & skf21("4","6","7","4","7","4","1","1") = "6"
    & skf21("4","6","7","4","7","4","2","1") = "6"
    & skf21("4","6","7","4","7","4","3","1") = "6"
    & skf21("4","6","7","4","7","4","4","1") = "6"
    & skf21("4","6","7","4","7","4","5","1") = "6"
    & skf21("4","6","7","4","7","4","6","1") = "6"
    & skf21("4","6","7","4","7","4","7","1") = "6"
    & skf21("4","6","7","4","7","5","1","1") = "6"
    & skf21("4","6","7","4","7","5","2","1") = "6"
    & skf21("4","6","7","4","7","5","3","1") = "6"
    & skf21("4","6","7","4","7","5","4","1") = "6"
    & skf21("4","6","7","4","7","5","5","1") = "6"
    & skf21("4","6","7","4","7","5","6","1") = "6"
    & skf21("4","6","7","4","7","5","7","1") = "6"
    & skf21("4","6","7","4","7","6","1","1") = "6"
    & skf21("4","6","7","4","7","6","2","1") = "6"
    & skf21("4","6","7","4","7","6","3","1") = "6"
    & skf21("4","6","7","4","7","6","4","1") = "6"
    & skf21("4","6","7","4","7","6","5","1") = "6"
    & skf21("4","6","7","4","7","6","6","1") = "6"
    & skf21("4","6","7","4","7","6","7","1") = "6"
    & skf21("4","6","7","4","7","7","1","1") = "6"
    & skf21("4","6","7","4","7","7","2","1") = "6"
    & skf21("4","6","7","4","7","7","3","1") = "6"
    & skf21("4","6","7","4","7","7","4","1") = "6"
    & skf21("4","6","7","4","7","7","5","1") = "6"
    & skf21("4","6","7","4","7","7","6","1") = "6"
    & skf21("4","6","7","4","7","7","7","1") = "6"
    & skf21("4","6","7","5","1","1","1","1") = "6"
    & skf21("4","6","7","5","1","1","2","1") = "6"
    & skf21("4","6","7","5","1","1","3","1") = "6"
    & skf21("4","6","7","5","1","1","4","1") = "6"
    & skf21("4","6","7","5","1","1","5","1") = "6"
    & skf21("4","6","7","5","1","1","6","1") = "6"
    & skf21("4","6","7","5","1","1","7","1") = "6"
    & skf21("4","6","7","5","1","2","1","1") = "6"
    & skf21("4","6","7","5","1","2","2","1") = "6"
    & skf21("4","6","7","5","1","2","3","1") = "6"
    & skf21("4","6","7","5","1","2","4","1") = "6"
    & skf21("4","6","7","5","1","2","5","1") = "6"
    & skf21("4","6","7","5","1","2","6","1") = "6"
    & skf21("4","6","7","5","1","2","7","1") = "6"
    & skf21("4","6","7","5","1","3","1","1") = "6"
    & skf21("4","6","7","5","1","3","2","1") = "6"
    & skf21("4","6","7","5","1","3","3","1") = "6"
    & skf21("4","6","7","5","1","3","4","1") = "6"
    & skf21("4","6","7","5","1","3","5","1") = "6"
    & skf21("4","6","7","5","1","3","6","1") = "6"
    & skf21("4","6","7","5","1","3","7","1") = "6"
    & skf21("4","6","7","5","1","4","1","1") = "6"
    & skf21("4","6","7","5","1","4","2","1") = "6"
    & skf21("4","6","7","5","1","4","3","1") = "6"
    & skf21("4","6","7","5","1","4","4","1") = "6"
    & skf21("4","6","7","5","1","4","5","1") = "6"
    & skf21("4","6","7","5","1","4","6","1") = "6"
    & skf21("4","6","7","5","1","4","7","1") = "6"
    & skf21("4","6","7","5","1","5","1","1") = "6"
    & skf21("4","6","7","5","1","5","2","1") = "6"
    & skf21("4","6","7","5","1","5","3","1") = "6"
    & skf21("4","6","7","5","1","5","4","1") = "6"
    & skf21("4","6","7","5","1","5","5","1") = "6"
    & skf21("4","6","7","5","1","5","6","1") = "6"
    & skf21("4","6","7","5","1","5","7","1") = "6"
    & skf21("4","6","7","5","1","6","1","1") = "6"
    & skf21("4","6","7","5","1","6","2","1") = "6"
    & skf21("4","6","7","5","1","6","3","1") = "6"
    & skf21("4","6","7","5","1","6","4","1") = "6"
    & skf21("4","6","7","5","1","6","5","1") = "6"
    & skf21("4","6","7","5","1","6","6","1") = "6"
    & skf21("4","6","7","5","1","6","7","1") = "6"
    & skf21("4","6","7","5","1","7","1","1") = "6"
    & skf21("4","6","7","5","1","7","2","1") = "6"
    & skf21("4","6","7","5","1","7","3","1") = "6"
    & skf21("4","6","7","5","1","7","4","1") = "6"
    & skf21("4","6","7","5","1","7","5","1") = "6"
    & skf21("4","6","7","5","1","7","6","1") = "6"
    & skf21("4","6","7","5","1","7","7","1") = "6"
    & skf21("4","6","7","5","2","1","1","1") = "6"
    & skf21("4","6","7","5","2","1","2","1") = "6"
    & skf21("4","6","7","5","2","1","3","1") = "6"
    & skf21("4","6","7","5","2","1","4","1") = "6"
    & skf21("4","6","7","5","2","1","5","1") = "6"
    & skf21("4","6","7","5","2","1","6","1") = "6"
    & skf21("4","6","7","5","2","1","7","1") = "6"
    & skf21("4","6","7","5","2","2","1","1") = "6"
    & skf21("4","6","7","5","2","2","2","1") = "6"
    & skf21("4","6","7","5","2","2","3","1") = "6"
    & skf21("4","6","7","5","2","2","4","1") = "6"
    & skf21("4","6","7","5","2","2","5","1") = "6"
    & skf21("4","6","7","5","2","2","6","1") = "6"
    & skf21("4","6","7","5","2","2","7","1") = "6"
    & skf21("4","6","7","5","2","3","1","1") = "6"
    & skf21("4","6","7","5","2","3","2","1") = "6"
    & skf21("4","6","7","5","2","3","3","1") = "6"
    & skf21("4","6","7","5","2","3","4","1") = "6"
    & skf21("4","6","7","5","2","3","5","1") = "6"
    & skf21("4","6","7","5","2","3","6","1") = "6"
    & skf21("4","6","7","5","2","3","7","1") = "6"
    & skf21("4","6","7","5","2","4","1","1") = "6"
    & skf21("4","6","7","5","2","4","2","1") = "6"
    & skf21("4","6","7","5","2","4","3","1") = "6"
    & skf21("4","6","7","5","2","4","4","1") = "6"
    & skf21("4","6","7","5","2","4","5","1") = "6"
    & skf21("4","6","7","5","2","4","6","1") = "6"
    & skf21("4","6","7","5","2","4","7","1") = "6"
    & skf21("4","6","7","5","2","5","1","1") = "6"
    & skf21("4","6","7","5","2","5","2","1") = "6"
    & skf21("4","6","7","5","2","5","3","1") = "6"
    & skf21("4","6","7","5","2","5","4","1") = "6"
    & skf21("4","6","7","5","2","5","5","1") = "6"
    & skf21("4","6","7","5","2","5","6","1") = "6"
    & skf21("4","6","7","5","2","5","7","1") = "6"
    & skf21("4","6","7","5","2","6","1","1") = "6"
    & skf21("4","6","7","5","2","6","2","1") = "6"
    & skf21("4","6","7","5","2","6","3","1") = "6"
    & skf21("4","6","7","5","2","6","4","1") = "6"
    & skf21("4","6","7","5","2","6","5","1") = "6"
    & skf21("4","6","7","5","2","6","6","1") = "6"
    & skf21("4","6","7","5","2","6","7","1") = "6"
    & skf21("4","6","7","5","2","7","1","1") = "6"
    & skf21("4","6","7","5","2","7","2","1") = "6"
    & skf21("4","6","7","5","2","7","3","1") = "6"
    & skf21("4","6","7","5","2","7","4","1") = "6"
    & skf21("4","6","7","5","2","7","5","1") = "6"
    & skf21("4","6","7","5","2","7","6","1") = "6"
    & skf21("4","6","7","5","2","7","7","1") = "6"
    & skf21("4","6","7","5","3","1","1","1") = "6"
    & skf21("4","6","7","5","3","1","2","1") = "6"
    & skf21("4","6","7","5","3","1","3","1") = "6"
    & skf21("4","6","7","5","3","1","4","1") = "6"
    & skf21("4","6","7","5","3","1","5","1") = "6"
    & skf21("4","6","7","5","3","1","6","1") = "6"
    & skf21("4","6","7","5","3","1","7","1") = "6"
    & skf21("4","6","7","5","3","2","1","1") = "6"
    & skf21("4","6","7","5","3","2","2","1") = "6"
    & skf21("4","6","7","5","3","2","3","1") = "6"
    & skf21("4","6","7","5","3","2","4","1") = "6"
    & skf21("4","6","7","5","3","2","5","1") = "6"
    & skf21("4","6","7","5","3","2","6","1") = "6"
    & skf21("4","6","7","5","3","2","7","1") = "6"
    & skf21("4","6","7","5","3","3","1","1") = "6"
    & skf21("4","6","7","5","3","3","2","1") = "6"
    & skf21("4","6","7","5","3","3","3","1") = "6"
    & skf21("4","6","7","5","3","3","4","1") = "6"
    & skf21("4","6","7","5","3","3","5","1") = "6"
    & skf21("4","6","7","5","3","3","6","1") = "6"
    & skf21("4","6","7","5","3","3","7","1") = "6"
    & skf21("4","6","7","5","3","4","1","1") = "6"
    & skf21("4","6","7","5","3","4","2","1") = "6"
    & skf21("4","6","7","5","3","4","3","1") = "6"
    & skf21("4","6","7","5","3","4","4","1") = "6"
    & skf21("4","6","7","5","3","4","5","1") = "6"
    & skf21("4","6","7","5","3","4","6","1") = "6"
    & skf21("4","6","7","5","3","4","7","1") = "6"
    & skf21("4","6","7","5","3","5","1","1") = "6"
    & skf21("4","6","7","5","3","5","2","1") = "6"
    & skf21("4","6","7","5","3","5","3","1") = "6"
    & skf21("4","6","7","5","3","5","4","1") = "6"
    & skf21("4","6","7","5","3","5","5","1") = "6"
    & skf21("4","6","7","5","3","5","6","1") = "6"
    & skf21("4","6","7","5","3","5","7","1") = "6"
    & skf21("4","6","7","5","3","6","1","1") = "6"
    & skf21("4","6","7","5","3","6","2","1") = "6"
    & skf21("4","6","7","5","3","6","3","1") = "6"
    & skf21("4","6","7","5","3","6","4","1") = "6"
    & skf21("4","6","7","5","3","6","5","1") = "6"
    & skf21("4","6","7","5","3","6","6","1") = "6"
    & skf21("4","6","7","5","3","6","7","1") = "6"
    & skf21("4","6","7","5","3","7","1","1") = "6"
    & skf21("4","6","7","5","3","7","2","1") = "6"
    & skf21("4","6","7","5","3","7","3","1") = "6"
    & skf21("4","6","7","5","3","7","4","1") = "6"
    & skf21("4","6","7","5","3","7","5","1") = "6"
    & skf21("4","6","7","5","3","7","6","1") = "6"
    & skf21("4","6","7","5","3","7","7","1") = "6"
    & skf21("4","6","7","5","4","1","1","1") = "6"
    & skf21("4","6","7","5","4","1","2","1") = "6"
    & skf21("4","6","7","5","4","1","3","1") = "6"
    & skf21("4","6","7","5","4","1","4","1") = "6"
    & skf21("4","6","7","5","4","1","5","1") = "6"
    & skf21("4","6","7","5","4","1","6","1") = "6"
    & skf21("4","6","7","5","4","1","7","1") = "6"
    & skf21("4","6","7","5","4","2","1","1") = "6"
    & skf21("4","6","7","5","4","2","2","1") = "6"
    & skf21("4","6","7","5","4","2","3","1") = "6"
    & skf21("4","6","7","5","4","2","4","1") = "6"
    & skf21("4","6","7","5","4","2","5","1") = "6"
    & skf21("4","6","7","5","4","2","6","1") = "6"
    & skf21("4","6","7","5","4","2","7","1") = "6"
    & skf21("4","6","7","5","4","3","1","1") = "6"
    & skf21("4","6","7","5","4","3","2","1") = "6"
    & skf21("4","6","7","5","4","3","3","1") = "6"
    & skf21("4","6","7","5","4","3","4","1") = "6"
    & skf21("4","6","7","5","4","3","5","1") = "6"
    & skf21("4","6","7","5","4","3","6","1") = "6"
    & skf21("4","6","7","5","4","3","7","1") = "6"
    & skf21("4","6","7","5","4","4","1","1") = "6"
    & skf21("4","6","7","5","4","4","2","1") = "6"
    & skf21("4","6","7","5","4","4","3","1") = "6"
    & skf21("4","6","7","5","4","4","4","1") = "6"
    & skf21("4","6","7","5","4","4","5","1") = "6"
    & skf21("4","6","7","5","4","4","6","1") = "6"
    & skf21("4","6","7","5","4","4","7","1") = "6"
    & skf21("4","6","7","5","4","5","1","1") = "6"
    & skf21("4","6","7","5","4","5","2","1") = "6"
    & skf21("4","6","7","5","4","5","3","1") = "6"
    & skf21("4","6","7","5","4","5","4","1") = "6"
    & skf21("4","6","7","5","4","5","5","1") = "6"
    & skf21("4","6","7","5","4","5","6","1") = "6"
    & skf21("4","6","7","5","4","5","7","1") = "6"
    & skf21("4","6","7","5","4","6","1","1") = "6"
    & skf21("4","6","7","5","4","6","2","1") = "6"
    & skf21("4","6","7","5","4","6","3","1") = "6"
    & skf21("4","6","7","5","4","6","4","1") = "6"
    & skf21("4","6","7","5","4","6","5","1") = "6"
    & skf21("4","6","7","5","4","6","6","1") = "6"
    & skf21("4","6","7","5","4","6","7","1") = "6"
    & skf21("4","6","7","5","4","7","1","1") = "6"
    & skf21("4","6","7","5","4","7","2","1") = "6"
    & skf21("4","6","7","5","4","7","3","1") = "6"
    & skf21("4","6","7","5","4","7","4","1") = "6"
    & skf21("4","6","7","5","4","7","5","1") = "6"
    & skf21("4","6","7","5","4","7","6","1") = "6"
    & skf21("4","6","7","5","4","7","7","1") = "6"
    & skf21("4","6","7","5","5","1","1","1") = "6"
    & skf21("4","6","7","5","5","1","2","1") = "6"
    & skf21("4","6","7","5","5","1","3","1") = "6"
    & skf21("4","6","7","5","5","1","4","1") = "6"
    & skf21("4","6","7","5","5","1","5","1") = "6"
    & skf21("4","6","7","5","5","1","6","1") = "6"
    & skf21("4","6","7","5","5","1","7","1") = "6"
    & skf21("4","6","7","5","5","2","1","1") = "6"
    & skf21("4","6","7","5","5","2","2","1") = "6"
    & skf21("4","6","7","5","5","2","3","1") = "6"
    & skf21("4","6","7","5","5","2","4","1") = "6"
    & skf21("4","6","7","5","5","2","5","1") = "6"
    & skf21("4","6","7","5","5","2","6","1") = "6"
    & skf21("4","6","7","5","5","2","7","1") = "6"
    & skf21("4","6","7","5","5","3","1","1") = "6"
    & skf21("4","6","7","5","5","3","2","1") = "6"
    & skf21("4","6","7","5","5","3","3","1") = "6"
    & skf21("4","6","7","5","5","3","4","1") = "6"
    & skf21("4","6","7","5","5","3","5","1") = "6"
    & skf21("4","6","7","5","5","3","6","1") = "6"
    & skf21("4","6","7","5","5","3","7","1") = "6"
    & skf21("4","6","7","5","5","4","1","1") = "6"
    & skf21("4","6","7","5","5","4","2","1") = "6"
    & skf21("4","6","7","5","5","4","3","1") = "6"
    & skf21("4","6","7","5","5","4","4","1") = "6"
    & skf21("4","6","7","5","5","4","5","1") = "6"
    & skf21("4","6","7","5","5","4","6","1") = "6"
    & skf21("4","6","7","5","5","4","7","1") = "6"
    & skf21("4","6","7","5","5","5","1","1") = "6"
    & skf21("4","6","7","5","5","5","2","1") = "6"
    & skf21("4","6","7","5","5","5","3","1") = "6"
    & skf21("4","6","7","5","5","5","4","1") = "6"
    & skf21("4","6","7","5","5","5","5","1") = "6"
    & skf21("4","6","7","5","5","5","6","1") = "6"
    & skf21("4","6","7","5","5","5","7","1") = "6"
    & skf21("4","6","7","5","5","6","1","1") = "6"
    & skf21("4","6","7","5","5","6","2","1") = "6"
    & skf21("4","6","7","5","5","6","3","1") = "6"
    & skf21("4","6","7","5","5","6","4","1") = "6"
    & skf21("4","6","7","5","5","6","5","1") = "6"
    & skf21("4","6","7","5","5","6","6","1") = "6"
    & skf21("4","6","7","5","5","6","7","1") = "6"
    & skf21("4","6","7","5","5","7","1","1") = "6"
    & skf21("4","6","7","5","5","7","2","1") = "6"
    & skf21("4","6","7","5","5","7","3","1") = "6"
    & skf21("4","6","7","5","5","7","4","1") = "6"
    & skf21("4","6","7","5","5","7","5","1") = "6"
    & skf21("4","6","7","5","5","7","6","1") = "6"
    & skf21("4","6","7","5","5","7","7","1") = "6"
    & skf21("4","6","7","5","6","1","1","1") = "6"
    & skf21("4","6","7","5","6","1","2","1") = "6"
    & skf21("4","6","7","5","6","1","3","1") = "6"
    & skf21("4","6","7","5","6","1","4","1") = "6"
    & skf21("4","6","7","5","6","1","5","1") = "6"
    & skf21("4","6","7","5","6","1","6","1") = "6"
    & skf21("4","6","7","5","6","1","7","1") = "6"
    & skf21("4","6","7","5","6","2","1","1") = "6"
    & skf21("4","6","7","5","6","2","2","1") = "6"
    & skf21("4","6","7","5","6","2","3","1") = "6"
    & skf21("4","6","7","5","6","2","4","1") = "6"
    & skf21("4","6","7","5","6","2","5","1") = "6"
    & skf21("4","6","7","5","6","2","6","1") = "6"
    & skf21("4","6","7","5","6","2","7","1") = "6"
    & skf21("4","6","7","5","6","3","1","1") = "6"
    & skf21("4","6","7","5","6","3","2","1") = "6"
    & skf21("4","6","7","5","6","3","3","1") = "6"
    & skf21("4","6","7","5","6","3","4","1") = "6"
    & skf21("4","6","7","5","6","3","5","1") = "6"
    & skf21("4","6","7","5","6","3","6","1") = "6"
    & skf21("4","6","7","5","6","3","7","1") = "6"
    & skf21("4","6","7","5","6","4","1","1") = "6"
    & skf21("4","6","7","5","6","4","2","1") = "6"
    & skf21("4","6","7","5","6","4","3","1") = "6"
    & skf21("4","6","7","5","6","4","4","1") = "6"
    & skf21("4","6","7","5","6","4","5","1") = "6"
    & skf21("4","6","7","5","6","4","6","1") = "6"
    & skf21("4","6","7","5","6","4","7","1") = "6"
    & skf21("4","6","7","5","6","5","1","1") = "6"
    & skf21("4","6","7","5","6","5","2","1") = "6"
    & skf21("4","6","7","5","6","5","3","1") = "6"
    & skf21("4","6","7","5","6","5","4","1") = "6"
    & skf21("4","6","7","5","6","5","5","1") = "6"
    & skf21("4","6","7","5","6","5","6","1") = "6"
    & skf21("4","6","7","5","6","5","7","1") = "6"
    & skf21("4","6","7","5","6","6","1","1") = "6"
    & skf21("4","6","7","5","6","6","2","1") = "6"
    & skf21("4","6","7","5","6","6","3","1") = "6"
    & skf21("4","6","7","5","6","6","4","1") = "6"
    & skf21("4","6","7","5","6","6","5","1") = "6"
    & skf21("4","6","7","5","6","6","6","1") = "6"
    & skf21("4","6","7","5","6","6","7","1") = "6"
    & skf21("4","6","7","5","6","7","1","1") = "6"
    & skf21("4","6","7","5","6","7","2","1") = "6"
    & skf21("4","6","7","5","6","7","3","1") = "6"
    & skf21("4","6","7","5","6","7","4","1") = "6"
    & skf21("4","6","7","5","6","7","5","1") = "6"
    & skf21("4","6","7","5","6","7","6","1") = "6"
    & skf21("4","6","7","5","6","7","7","1") = "6"
    & skf21("4","6","7","5","7","1","1","1") = "6"
    & skf21("4","6","7","5","7","1","2","1") = "6"
    & skf21("4","6","7","5","7","1","3","1") = "6"
    & skf21("4","6","7","5","7","1","4","1") = "6"
    & skf21("4","6","7","5","7","1","5","1") = "6"
    & skf21("4","6","7","5","7","1","6","1") = "6"
    & skf21("4","6","7","5","7","1","7","1") = "6"
    & skf21("4","6","7","5","7","2","1","1") = "6"
    & skf21("4","6","7","5","7","2","2","1") = "6"
    & skf21("4","6","7","5","7","2","3","1") = "6"
    & skf21("4","6","7","5","7","2","4","1") = "6"
    & skf21("4","6","7","5","7","2","5","1") = "6"
    & skf21("4","6","7","5","7","2","6","1") = "6"
    & skf21("4","6","7","5","7","2","7","1") = "6"
    & skf21("4","6","7","5","7","3","1","1") = "6"
    & skf21("4","6","7","5","7","3","2","1") = "6"
    & skf21("4","6","7","5","7","3","3","1") = "6"
    & skf21("4","6","7","5","7","3","4","1") = "6"
    & skf21("4","6","7","5","7","3","5","1") = "6"
    & skf21("4","6","7","5","7","3","6","1") = "6"
    & skf21("4","6","7","5","7","3","7","1") = "6"
    & skf21("4","6","7","5","7","4","1","1") = "6"
    & skf21("4","6","7","5","7","4","2","1") = "6"
    & skf21("4","6","7","5","7","4","3","1") = "6"
    & skf21("4","6","7","5","7","4","4","1") = "6"
    & skf21("4","6","7","5","7","4","5","1") = "6"
    & skf21("4","6","7","5","7","4","6","1") = "6"
    & skf21("4","6","7","5","7","4","7","1") = "6"
    & skf21("4","6","7","5","7","5","1","1") = "6"
    & skf21("4","6","7","5","7","5","2","1") = "6"
    & skf21("4","6","7","5","7","5","3","1") = "6"
    & skf21("4","6","7","5","7","5","4","1") = "6"
    & skf21("4","6","7","5","7","5","5","1") = "6"
    & skf21("4","6","7","5","7","5","6","1") = "6"
    & skf21("4","6","7","5","7","5","7","1") = "6"
    & skf21("4","6","7","5","7","6","1","1") = "6"
    & skf21("4","6","7","5","7","6","2","1") = "6"
    & skf21("4","6","7","5","7","6","3","1") = "6"
    & skf21("4","6","7","5","7","6","4","1") = "6"
    & skf21("4","6","7","5","7","6","5","1") = "6"
    & skf21("4","6","7","5","7","6","6","1") = "6"
    & skf21("4","6","7","5","7","6","7","1") = "6"
    & skf21("4","6","7","5","7","7","1","1") = "6"
    & skf21("4","6","7","5","7","7","2","1") = "6"
    & skf21("4","6","7","5","7","7","3","1") = "6"
    & skf21("4","6","7","5","7","7","4","1") = "6"
    & skf21("4","6","7","5","7","7","5","1") = "6"
    & skf21("4","6","7","5","7","7","6","1") = "6"
    & skf21("4","6","7","5","7","7","7","1") = "6"
    & skf21("4","6","7","6","1","1","1","1") = "6"
    & skf21("4","6","7","6","1","1","2","1") = "6"
    & skf21("4","6","7","6","1","1","3","1") = "6"
    & skf21("4","6","7","6","1","1","4","1") = "6"
    & skf21("4","6","7","6","1","1","5","1") = "6"
    & skf21("4","6","7","6","1","1","6","1") = "6"
    & skf21("4","6","7","6","1","1","7","1") = "6"
    & skf21("4","6","7","6","1","2","1","1") = "6"
    & skf21("4","6","7","6","1","2","2","1") = "6"
    & skf21("4","6","7","6","1","2","3","1") = "6"
    & skf21("4","6","7","6","1","2","4","1") = "6"
    & skf21("4","6","7","6","1","2","5","1") = "6"
    & skf21("4","6","7","6","1","2","6","1") = "6"
    & skf21("4","6","7","6","1","2","7","1") = "6"
    & skf21("4","6","7","6","1","3","1","1") = "6"
    & skf21("4","6","7","6","1","3","2","1") = "6"
    & skf21("4","6","7","6","1","3","3","1") = "6"
    & skf21("4","6","7","6","1","3","4","1") = "6"
    & skf21("4","6","7","6","1","3","5","1") = "6"
    & skf21("4","6","7","6","1","3","6","1") = "6"
    & skf21("4","6","7","6","1","3","7","1") = "6"
    & skf21("4","6","7","6","1","4","1","1") = "6"
    & skf21("4","6","7","6","1","4","2","1") = "6"
    & skf21("4","6","7","6","1","4","3","1") = "6"
    & skf21("4","6","7","6","1","4","4","1") = "6"
    & skf21("4","6","7","6","1","4","5","1") = "6"
    & skf21("4","6","7","6","1","4","6","1") = "6"
    & skf21("4","6","7","6","1","4","7","1") = "6"
    & skf21("4","6","7","6","1","5","1","1") = "6"
    & skf21("4","6","7","6","1","5","2","1") = "6"
    & skf21("4","6","7","6","1","5","3","1") = "6"
    & skf21("4","6","7","6","1","5","4","1") = "6"
    & skf21("4","6","7","6","1","5","5","1") = "6"
    & skf21("4","6","7","6","1","5","6","1") = "6"
    & skf21("4","6","7","6","1","5","7","1") = "6"
    & skf21("4","6","7","6","1","6","1","1") = "6"
    & skf21("4","6","7","6","1","6","2","1") = "6"
    & skf21("4","6","7","6","1","6","3","1") = "6"
    & skf21("4","6","7","6","1","6","4","1") = "6"
    & skf21("4","6","7","6","1","6","5","1") = "6"
    & skf21("4","6","7","6","1","6","6","1") = "6"
    & skf21("4","6","7","6","1","6","7","1") = "6"
    & skf21("4","6","7","6","1","7","1","1") = "6"
    & skf21("4","6","7","6","1","7","2","1") = "6"
    & skf21("4","6","7","6","1","7","3","1") = "6"
    & skf21("4","6","7","6","1","7","4","1") = "6"
    & skf21("4","6","7","6","1","7","5","1") = "6"
    & skf21("4","6","7","6","1","7","6","1") = "6"
    & skf21("4","6","7","6","1","7","7","1") = "6"
    & skf21("4","6","7","6","2","1","1","1") = "6"
    & skf21("4","6","7","6","2","1","2","1") = "6"
    & skf21("4","6","7","6","2","1","3","1") = "6"
    & skf21("4","6","7","6","2","1","4","1") = "6"
    & skf21("4","6","7","6","2","1","5","1") = "6"
    & skf21("4","6","7","6","2","1","6","1") = "6"
    & skf21("4","6","7","6","2","1","7","1") = "6"
    & skf21("4","6","7","6","2","2","1","1") = "6"
    & skf21("4","6","7","6","2","2","2","1") = "6"
    & skf21("4","6","7","6","2","2","3","1") = "6"
    & skf21("4","6","7","6","2","2","4","1") = "6"
    & skf21("4","6","7","6","2","2","5","1") = "6"
    & skf21("4","6","7","6","2","2","6","1") = "6"
    & skf21("4","6","7","6","2","2","7","1") = "6"
    & skf21("4","6","7","6","2","3","1","1") = "6"
    & skf21("4","6","7","6","2","3","2","1") = "6"
    & skf21("4","6","7","6","2","3","3","1") = "6"
    & skf21("4","6","7","6","2","3","4","1") = "6"
    & skf21("4","6","7","6","2","3","5","1") = "6"
    & skf21("4","6","7","6","2","3","6","1") = "6"
    & skf21("4","6","7","6","2","3","7","1") = "6"
    & skf21("4","6","7","6","2","4","1","1") = "6"
    & skf21("4","6","7","6","2","4","2","1") = "6"
    & skf21("4","6","7","6","2","4","3","1") = "6"
    & skf21("4","6","7","6","2","4","4","1") = "6"
    & skf21("4","6","7","6","2","4","5","1") = "6"
    & skf21("4","6","7","6","2","4","6","1") = "6"
    & skf21("4","6","7","6","2","4","7","1") = "6"
    & skf21("4","6","7","6","2","5","1","1") = "6"
    & skf21("4","6","7","6","2","5","2","1") = "6"
    & skf21("4","6","7","6","2","5","3","1") = "6"
    & skf21("4","6","7","6","2","5","4","1") = "6"
    & skf21("4","6","7","6","2","5","5","1") = "6"
    & skf21("4","6","7","6","2","5","6","1") = "6"
    & skf21("4","6","7","6","2","5","7","1") = "6"
    & skf21("4","6","7","6","2","6","1","1") = "6"
    & skf21("4","6","7","6","2","6","2","1") = "6"
    & skf21("4","6","7","6","2","6","3","1") = "6"
    & skf21("4","6","7","6","2","6","4","1") = "6"
    & skf21("4","6","7","6","2","6","5","1") = "6"
    & skf21("4","6","7","6","2","6","6","1") = "6"
    & skf21("4","6","7","6","2","6","7","1") = "6"
    & skf21("4","6","7","6","2","7","1","1") = "6"
    & skf21("4","6","7","6","2","7","2","1") = "6"
    & skf21("4","6","7","6","2","7","3","1") = "6"
    & skf21("4","6","7","6","2","7","4","1") = "6"
    & skf21("4","6","7","6","2","7","5","1") = "6"
    & skf21("4","6","7","6","2","7","6","1") = "6"
    & skf21("4","6","7","6","2","7","7","1") = "6"
    & skf21("4","6","7","6","3","1","1","1") = "6"
    & skf21("4","6","7","6","3","1","2","1") = "6"
    & skf21("4","6","7","6","3","1","3","1") = "6"
    & skf21("4","6","7","6","3","1","4","1") = "6"
    & skf21("4","6","7","6","3","1","5","1") = "6"
    & skf21("4","6","7","6","3","1","6","1") = "6"
    & skf21("4","6","7","6","3","1","7","1") = "6"
    & skf21("4","6","7","6","3","2","1","1") = "6"
    & skf21("4","6","7","6","3","2","2","1") = "6"
    & skf21("4","6","7","6","3","2","3","1") = "6"
    & skf21("4","6","7","6","3","2","4","1") = "6"
    & skf21("4","6","7","6","3","2","5","1") = "6"
    & skf21("4","6","7","6","3","2","6","1") = "6"
    & skf21("4","6","7","6","3","2","7","1") = "6"
    & skf21("4","6","7","6","3","3","1","1") = "6"
    & skf21("4","6","7","6","3","3","2","1") = "6"
    & skf21("4","6","7","6","3","3","3","1") = "6"
    & skf21("4","6","7","6","3","3","4","1") = "6"
    & skf21("4","6","7","6","3","3","5","1") = "6"
    & skf21("4","6","7","6","3","3","6","1") = "6"
    & skf21("4","6","7","6","3","3","7","1") = "6"
    & skf21("4","6","7","6","3","4","1","1") = "6"
    & skf21("4","6","7","6","3","4","2","1") = "6"
    & skf21("4","6","7","6","3","4","3","1") = "6"
    & skf21("4","6","7","6","3","4","4","1") = "6"
    & skf21("4","6","7","6","3","4","5","1") = "6"
    & skf21("4","6","7","6","3","4","6","1") = "6"
    & skf21("4","6","7","6","3","4","7","1") = "6"
    & skf21("4","6","7","6","3","5","1","1") = "6"
    & skf21("4","6","7","6","3","5","2","1") = "6"
    & skf21("4","6","7","6","3","5","3","1") = "6"
    & skf21("4","6","7","6","3","5","4","1") = "6"
    & skf21("4","6","7","6","3","5","5","1") = "6"
    & skf21("4","6","7","6","3","5","6","1") = "6"
    & skf21("4","6","7","6","3","5","7","1") = "6"
    & skf21("4","6","7","6","3","6","1","1") = "6"
    & skf21("4","6","7","6","3","6","2","1") = "6"
    & skf21("4","6","7","6","3","6","3","1") = "6"
    & skf21("4","6","7","6","3","6","4","1") = "6"
    & skf21("4","6","7","6","3","6","5","1") = "6"
    & skf21("4","6","7","6","3","6","6","1") = "6"
    & skf21("4","6","7","6","3","6","7","1") = "6"
    & skf21("4","6","7","6","3","7","1","1") = "6"
    & skf21("4","6","7","6","3","7","2","1") = "6"
    & skf21("4","6","7","6","3","7","3","1") = "6"
    & skf21("4","6","7","6","3","7","4","1") = "6"
    & skf21("4","6","7","6","3","7","5","1") = "6"
    & skf21("4","6","7","6","3","7","6","1") = "6"
    & skf21("4","6","7","6","3","7","7","1") = "6"
    & skf21("4","6","7","6","4","1","1","1") = "6"
    & skf21("4","6","7","6","4","1","2","1") = "6"
    & skf21("4","6","7","6","4","1","3","1") = "6"
    & skf21("4","6","7","6","4","1","4","1") = "6"
    & skf21("4","6","7","6","4","1","5","1") = "6"
    & skf21("4","6","7","6","4","1","6","1") = "6"
    & skf21("4","6","7","6","4","1","7","1") = "6"
    & skf21("4","6","7","6","4","2","1","1") = "6"
    & skf21("4","6","7","6","4","2","2","1") = "6"
    & skf21("4","6","7","6","4","2","3","1") = "6"
    & skf21("4","6","7","6","4","2","4","1") = "6"
    & skf21("4","6","7","6","4","2","5","1") = "6"
    & skf21("4","6","7","6","4","2","6","1") = "6"
    & skf21("4","6","7","6","4","2","7","1") = "6"
    & skf21("4","6","7","6","4","3","1","1") = "6"
    & skf21("4","6","7","6","4","3","2","1") = "6"
    & skf21("4","6","7","6","4","3","3","1") = "6"
    & skf21("4","6","7","6","4","3","4","1") = "6"
    & skf21("4","6","7","6","4","3","5","1") = "6"
    & skf21("4","6","7","6","4","3","6","1") = "6"
    & skf21("4","6","7","6","4","3","7","1") = "6"
    & skf21("4","6","7","6","4","4","1","1") = "6"
    & skf21("4","6","7","6","4","4","2","1") = "6"
    & skf21("4","6","7","6","4","4","3","1") = "6"
    & skf21("4","6","7","6","4","4","4","1") = "6"
    & skf21("4","6","7","6","4","4","5","1") = "6"
    & skf21("4","6","7","6","4","4","6","1") = "6"
    & skf21("4","6","7","6","4","4","7","1") = "6"
    & skf21("4","6","7","6","4","5","1","1") = "6"
    & skf21("4","6","7","6","4","5","2","1") = "6"
    & skf21("4","6","7","6","4","5","3","1") = "6"
    & skf21("4","6","7","6","4","5","4","1") = "6"
    & skf21("4","6","7","6","4","5","5","1") = "6"
    & skf21("4","6","7","6","4","5","6","1") = "6"
    & skf21("4","6","7","6","4","5","7","1") = "6"
    & skf21("4","6","7","6","4","6","1","1") = "6"
    & skf21("4","6","7","6","4","6","2","1") = "6"
    & skf21("4","6","7","6","4","6","3","1") = "6"
    & skf21("4","6","7","6","4","6","4","1") = "6"
    & skf21("4","6","7","6","4","6","5","1") = "6"
    & skf21("4","6","7","6","4","6","6","1") = "6"
    & skf21("4","6","7","6","4","6","7","1") = "6"
    & skf21("4","6","7","6","4","7","1","1") = "6"
    & skf21("4","6","7","6","4","7","2","1") = "6"
    & skf21("4","6","7","6","4","7","3","1") = "6"
    & skf21("4","6","7","6","4","7","4","1") = "6"
    & skf21("4","6","7","6","4","7","5","1") = "6"
    & skf21("4","6","7","6","4","7","6","1") = "6"
    & skf21("4","6","7","6","4","7","7","1") = "6"
    & skf21("4","6","7","6","5","1","1","1") = "6"
    & skf21("4","6","7","6","5","1","2","1") = "6"
    & skf21("4","6","7","6","5","1","3","1") = "6"
    & skf21("4","6","7","6","5","1","4","1") = "6"
    & skf21("4","6","7","6","5","1","5","1") = "6"
    & skf21("4","6","7","6","5","1","6","1") = "6"
    & skf21("4","6","7","6","5","1","7","1") = "6"
    & skf21("4","6","7","6","5","2","1","1") = "6"
    & skf21("4","6","7","6","5","2","2","1") = "6"
    & skf21("4","6","7","6","5","2","3","1") = "6"
    & skf21("4","6","7","6","5","2","4","1") = "6"
    & skf21("4","6","7","6","5","2","5","1") = "6"
    & skf21("4","6","7","6","5","2","6","1") = "6"
    & skf21("4","6","7","6","5","2","7","1") = "6"
    & skf21("4","6","7","6","5","3","1","1") = "6"
    & skf21("4","6","7","6","5","3","2","1") = "6"
    & skf21("4","6","7","6","5","3","3","1") = "6"
    & skf21("4","6","7","6","5","3","4","1") = "6"
    & skf21("4","6","7","6","5","3","5","1") = "6"
    & skf21("4","6","7","6","5","3","6","1") = "6"
    & skf21("4","6","7","6","5","3","7","1") = "6"
    & skf21("4","6","7","6","5","4","1","1") = "6"
    & skf21("4","6","7","6","5","4","2","1") = "6"
    & skf21("4","6","7","6","5","4","3","1") = "6"
    & skf21("4","6","7","6","5","4","4","1") = "6"
    & skf21("4","6","7","6","5","4","5","1") = "6"
    & skf21("4","6","7","6","5","4","6","1") = "6"
    & skf21("4","6","7","6","5","4","7","1") = "6"
    & skf21("4","6","7","6","5","5","1","1") = "6"
    & skf21("4","6","7","6","5","5","2","1") = "6"
    & skf21("4","6","7","6","5","5","3","1") = "6"
    & skf21("4","6","7","6","5","5","4","1") = "6"
    & skf21("4","6","7","6","5","5","5","1") = "6"
    & skf21("4","6","7","6","5","5","6","1") = "6"
    & skf21("4","6","7","6","5","5","7","1") = "6"
    & skf21("4","6","7","6","5","6","1","1") = "6"
    & skf21("4","6","7","6","5","6","2","1") = "6"
    & skf21("4","6","7","6","5","6","3","1") = "6"
    & skf21("4","6","7","6","5","6","4","1") = "6"
    & skf21("4","6","7","6","5","6","5","1") = "6"
    & skf21("4","6","7","6","5","6","6","1") = "6"
    & skf21("4","6","7","6","5","6","7","1") = "6"
    & skf21("4","6","7","6","5","7","1","1") = "6"
    & skf21("4","6","7","6","5","7","2","1") = "6"
    & skf21("4","6","7","6","5","7","3","1") = "6"
    & skf21("4","6","7","6","5","7","4","1") = "6"
    & skf21("4","6","7","6","5","7","5","1") = "6"
    & skf21("4","6","7","6","5","7","6","1") = "6"
    & skf21("4","6","7","6","5","7","7","1") = "6"
    & skf21("4","6","7","6","6","1","1","1") = "6"
    & skf21("4","6","7","6","6","1","2","1") = "6"
    & skf21("4","6","7","6","6","1","3","1") = "6"
    & skf21("4","6","7","6","6","1","4","1") = "6"
    & skf21("4","6","7","6","6","1","5","1") = "6"
    & skf21("4","6","7","6","6","1","6","1") = "6"
    & skf21("4","6","7","6","6","1","7","1") = "6"
    & skf21("4","6","7","6","6","2","1","1") = "6"
    & skf21("4","6","7","6","6","2","2","1") = "6"
    & skf21("4","6","7","6","6","2","3","1") = "6"
    & skf21("4","6","7","6","6","2","4","1") = "6"
    & skf21("4","6","7","6","6","2","5","1") = "6"
    & skf21("4","6","7","6","6","2","6","1") = "6"
    & skf21("4","6","7","6","6","2","7","1") = "6"
    & skf21("4","6","7","6","6","3","1","1") = "6"
    & skf21("4","6","7","6","6","3","2","1") = "6"
    & skf21("4","6","7","6","6","3","3","1") = "6"
    & skf21("4","6","7","6","6","3","4","1") = "6"
    & skf21("4","6","7","6","6","3","5","1") = "6"
    & skf21("4","6","7","6","6","3","6","1") = "6"
    & skf21("4","6","7","6","6","3","7","1") = "6"
    & skf21("4","6","7","6","6","4","1","1") = "6"
    & skf21("4","6","7","6","6","4","2","1") = "6"
    & skf21("4","6","7","6","6","4","3","1") = "6"
    & skf21("4","6","7","6","6","4","4","1") = "6"
    & skf21("4","6","7","6","6","4","5","1") = "6"
    & skf21("4","6","7","6","6","4","6","1") = "6"
    & skf21("4","6","7","6","6","4","7","1") = "6"
    & skf21("4","6","7","6","6","5","1","1") = "6"
    & skf21("4","6","7","6","6","5","2","1") = "6"
    & skf21("4","6","7","6","6","5","3","1") = "6"
    & skf21("4","6","7","6","6","5","4","1") = "6"
    & skf21("4","6","7","6","6","5","5","1") = "6"
    & skf21("4","6","7","6","6","5","6","1") = "6"
    & skf21("4","6","7","6","6","5","7","1") = "6"
    & skf21("4","6","7","6","6","6","1","1") = "6"
    & skf21("4","6","7","6","6","6","2","1") = "6"
    & skf21("4","6","7","6","6","6","3","1") = "6"
    & skf21("4","6","7","6","6","6","4","1") = "6"
    & skf21("4","6","7","6","6","6","5","1") = "6"
    & skf21("4","6","7","6","6","6","6","1") = "6"
    & skf21("4","6","7","6","6","6","7","1") = "6"
    & skf21("4","6","7","6","6","7","1","1") = "6"
    & skf21("4","6","7","6","6","7","2","1") = "6"
    & skf21("4","6","7","6","6","7","3","1") = "6"
    & skf21("4","6","7","6","6","7","4","1") = "6"
    & skf21("4","6","7","6","6","7","5","1") = "6"
    & skf21("4","6","7","6","6","7","6","1") = "6"
    & skf21("4","6","7","6","6","7","7","1") = "6"
    & skf21("4","6","7","6","7","1","1","1") = "6"
    & skf21("4","6","7","6","7","1","2","1") = "6"
    & skf21("4","6","7","6","7","1","3","1") = "6"
    & skf21("4","6","7","6","7","1","4","1") = "6"
    & skf21("4","6","7","6","7","1","5","1") = "6"
    & skf21("4","6","7","6","7","1","6","1") = "6"
    & skf21("4","6","7","6","7","1","7","1") = "6"
    & skf21("4","6","7","6","7","2","1","1") = "6"
    & skf21("4","6","7","6","7","2","2","1") = "6"
    & skf21("4","6","7","6","7","2","3","1") = "6"
    & skf21("4","6","7","6","7","2","4","1") = "6"
    & skf21("4","6","7","6","7","2","5","1") = "6"
    & skf21("4","6","7","6","7","2","6","1") = "6"
    & skf21("4","6","7","6","7","2","7","1") = "6"
    & skf21("4","6","7","6","7","3","1","1") = "6"
    & skf21("4","6","7","6","7","3","2","1") = "6"
    & skf21("4","6","7","6","7","3","3","1") = "6"
    & skf21("4","6","7","6","7","3","4","1") = "6"
    & skf21("4","6","7","6","7","3","5","1") = "6"
    & skf21("4","6","7","6","7","3","6","1") = "6"
    & skf21("4","6","7","6","7","3","7","1") = "6"
    & skf21("4","6","7","6","7","4","1","1") = "6"
    & skf21("4","6","7","6","7","4","2","1") = "6"
    & skf21("4","6","7","6","7","4","3","1") = "6"
    & skf21("4","6","7","6","7","4","4","1") = "6"
    & skf21("4","6","7","6","7","4","5","1") = "6"
    & skf21("4","6","7","6","7","4","6","1") = "6"
    & skf21("4","6","7","6","7","4","7","1") = "6"
    & skf21("4","6","7","6","7","5","1","1") = "6"
    & skf21("4","6","7","6","7","5","2","1") = "6"
    & skf21("4","6","7","6","7","5","3","1") = "6"
    & skf21("4","6","7","6","7","5","4","1") = "6"
    & skf21("4","6","7","6","7","5","5","1") = "6"
    & skf21("4","6","7","6","7","5","6","1") = "6"
    & skf21("4","6","7","6","7","5","7","1") = "6"
    & skf21("4","6","7","6","7","6","1","1") = "6"
    & skf21("4","6","7","6","7","6","2","1") = "6"
    & skf21("4","6","7","6","7","6","3","1") = "6"
    & skf21("4","6","7","6","7","6","4","1") = "6"
    & skf21("4","6","7","6","7","6","5","1") = "6"
    & skf21("4","6","7","6","7","6","6","1") = "6"
    & skf21("4","6","7","6","7","6","7","1") = "6"
    & skf21("4","6","7","6","7","7","1","1") = "6"
    & skf21("4","6","7","6","7","7","2","1") = "6"
    & skf21("4","6","7","6","7","7","3","1") = "6"
    & skf21("4","6","7","6","7","7","4","1") = "6"
    & skf21("4","6","7","6","7","7","5","1") = "6"
    & skf21("4","6","7","6","7","7","6","1") = "6"
    & skf21("4","6","7","6","7","7","7","1") = "6"
    & skf21("4","6","7","7","1","1","1","1") = "6"
    & skf21("4","6","7","7","1","1","2","1") = "6"
    & skf21("4","6","7","7","1","1","3","1") = "6"
    & skf21("4","6","7","7","1","1","4","1") = "6"
    & skf21("4","6","7","7","1","1","5","1") = "6"
    & skf21("4","6","7","7","1","1","6","1") = "6"
    & skf21("4","6","7","7","1","1","7","1") = "6"
    & skf21("4","6","7","7","1","2","1","1") = "6"
    & skf21("4","6","7","7","1","2","2","1") = "6"
    & skf21("4","6","7","7","1","2","3","1") = "6"
    & skf21("4","6","7","7","1","2","4","1") = "6"
    & skf21("4","6","7","7","1","2","5","1") = "6"
    & skf21("4","6","7","7","1","2","6","1") = "6"
    & skf21("4","6","7","7","1","2","7","1") = "6"
    & skf21("4","6","7","7","1","3","1","1") = "6"
    & skf21("4","6","7","7","1","3","2","1") = "6"
    & skf21("4","6","7","7","1","3","3","1") = "6"
    & skf21("4","6","7","7","1","3","4","1") = "6"
    & skf21("4","6","7","7","1","3","5","1") = "6"
    & skf21("4","6","7","7","1","3","6","1") = "6"
    & skf21("4","6","7","7","1","3","7","1") = "6"
    & skf21("4","6","7","7","1","4","1","1") = "6"
    & skf21("4","6","7","7","1","4","2","1") = "6"
    & skf21("4","6","7","7","1","4","3","1") = "6"
    & skf21("4","6","7","7","1","4","4","1") = "6"
    & skf21("4","6","7","7","1","4","5","1") = "6"
    & skf21("4","6","7","7","1","4","6","1") = "6"
    & skf21("4","6","7","7","1","4","7","1") = "6"
    & skf21("4","6","7","7","1","5","1","1") = "6"
    & skf21("4","6","7","7","1","5","2","1") = "6"
    & skf21("4","6","7","7","1","5","3","1") = "6"
    & skf21("4","6","7","7","1","5","4","1") = "6"
    & skf21("4","6","7","7","1","5","5","1") = "6"
    & skf21("4","6","7","7","1","5","6","1") = "6"
    & skf21("4","6","7","7","1","5","7","1") = "6"
    & skf21("4","6","7","7","1","6","1","1") = "6"
    & skf21("4","6","7","7","1","6","2","1") = "6"
    & skf21("4","6","7","7","1","6","3","1") = "6"
    & skf21("4","6","7","7","1","6","4","1") = "6"
    & skf21("4","6","7","7","1","6","5","1") = "6"
    & skf21("4","6","7","7","1","6","6","1") = "6"
    & skf21("4","6","7","7","1","6","7","1") = "6"
    & skf21("4","6","7","7","1","7","1","1") = "6"
    & skf21("4","6","7","7","1","7","2","1") = "6"
    & skf21("4","6","7","7","1","7","3","1") = "6"
    & skf21("4","6","7","7","1","7","4","1") = "6"
    & skf21("4","6","7","7","1","7","5","1") = "6"
    & skf21("4","6","7","7","1","7","6","1") = "6"
    & skf21("4","6","7","7","1","7","7","1") = "6"
    & skf21("4","6","7","7","2","1","1","1") = "6"
    & skf21("4","6","7","7","2","1","2","1") = "6"
    & skf21("4","6","7","7","2","1","3","1") = "6"
    & skf21("4","6","7","7","2","1","4","1") = "6"
    & skf21("4","6","7","7","2","1","5","1") = "6"
    & skf21("4","6","7","7","2","1","6","1") = "6"
    & skf21("4","6","7","7","2","1","7","1") = "6"
    & skf21("4","6","7","7","2","2","1","1") = "6"
    & skf21("4","6","7","7","2","2","2","1") = "6"
    & skf21("4","6","7","7","2","2","3","1") = "6"
    & skf21("4","6","7","7","2","2","4","1") = "6"
    & skf21("4","6","7","7","2","2","5","1") = "6"
    & skf21("4","6","7","7","2","2","6","1") = "6"
    & skf21("4","6","7","7","2","2","7","1") = "6"
    & skf21("4","6","7","7","2","3","1","1") = "6"
    & skf21("4","6","7","7","2","3","2","1") = "6"
    & skf21("4","6","7","7","2","3","3","1") = "6"
    & skf21("4","6","7","7","2","3","4","1") = "6"
    & skf21("4","6","7","7","2","3","5","1") = "6"
    & skf21("4","6","7","7","2","3","6","1") = "6"
    & skf21("4","6","7","7","2","3","7","1") = "6"
    & skf21("4","6","7","7","2","4","1","1") = "6"
    & skf21("4","6","7","7","2","4","2","1") = "6"
    & skf21("4","6","7","7","2","4","3","1") = "6"
    & skf21("4","6","7","7","2","4","4","1") = "6"
    & skf21("4","6","7","7","2","4","5","1") = "6"
    & skf21("4","6","7","7","2","4","6","1") = "6"
    & skf21("4","6","7","7","2","4","7","1") = "6"
    & skf21("4","6","7","7","2","5","1","1") = "6"
    & skf21("4","6","7","7","2","5","2","1") = "6"
    & skf21("4","6","7","7","2","5","3","1") = "6"
    & skf21("4","6","7","7","2","5","4","1") = "6"
    & skf21("4","6","7","7","2","5","5","1") = "6"
    & skf21("4","6","7","7","2","5","6","1") = "6"
    & skf21("4","6","7","7","2","5","7","1") = "6"
    & skf21("4","6","7","7","2","6","1","1") = "6"
    & skf21("4","6","7","7","2","6","2","1") = "6"
    & skf21("4","6","7","7","2","6","3","1") = "6"
    & skf21("4","6","7","7","2","6","4","1") = "6"
    & skf21("4","6","7","7","2","6","5","1") = "6"
    & skf21("4","6","7","7","2","6","6","1") = "6"
    & skf21("4","6","7","7","2","6","7","1") = "6"
    & skf21("4","6","7","7","2","7","1","1") = "6"
    & skf21("4","6","7","7","2","7","2","1") = "6"
    & skf21("4","6","7","7","2","7","3","1") = "6"
    & skf21("4","6","7","7","2","7","4","1") = "6"
    & skf21("4","6","7","7","2","7","5","1") = "6"
    & skf21("4","6","7","7","2","7","6","1") = "6"
    & skf21("4","6","7","7","2","7","7","1") = "6"
    & skf21("4","6","7","7","3","1","1","1") = "6"
    & skf21("4","6","7","7","3","1","2","1") = "6"
    & skf21("4","6","7","7","3","1","3","1") = "6"
    & skf21("4","6","7","7","3","1","4","1") = "6"
    & skf21("4","6","7","7","3","1","5","1") = "6"
    & skf21("4","6","7","7","3","1","6","1") = "6"
    & skf21("4","6","7","7","3","1","7","1") = "6"
    & skf21("4","6","7","7","3","2","1","1") = "6"
    & skf21("4","6","7","7","3","2","2","1") = "6"
    & skf21("4","6","7","7","3","2","3","1") = "6"
    & skf21("4","6","7","7","3","2","4","1") = "6"
    & skf21("4","6","7","7","3","2","5","1") = "6"
    & skf21("4","6","7","7","3","2","6","1") = "6"
    & skf21("4","6","7","7","3","2","7","1") = "6"
    & skf21("4","6","7","7","3","3","1","1") = "6"
    & skf21("4","6","7","7","3","3","2","1") = "6"
    & skf21("4","6","7","7","3","3","3","1") = "6"
    & skf21("4","6","7","7","3","3","4","1") = "6"
    & skf21("4","6","7","7","3","3","5","1") = "6"
    & skf21("4","6","7","7","3","3","6","1") = "6"
    & skf21("4","6","7","7","3","3","7","1") = "6"
    & skf21("4","6","7","7","3","4","1","1") = "6"
    & skf21("4","6","7","7","3","4","2","1") = "6"
    & skf21("4","6","7","7","3","4","3","1") = "6"
    & skf21("4","6","7","7","3","4","4","1") = "6"
    & skf21("4","6","7","7","3","4","5","1") = "6"
    & skf21("4","6","7","7","3","4","6","1") = "6"
    & skf21("4","6","7","7","3","4","7","1") = "6"
    & skf21("4","6","7","7","3","5","1","1") = "6"
    & skf21("4","6","7","7","3","5","2","1") = "6"
    & skf21("4","6","7","7","3","5","3","1") = "6"
    & skf21("4","6","7","7","3","5","4","1") = "6"
    & skf21("4","6","7","7","3","5","5","1") = "6"
    & skf21("4","6","7","7","3","5","6","1") = "6"
    & skf21("4","6","7","7","3","5","7","1") = "6"
    & skf21("4","6","7","7","3","6","1","1") = "6"
    & skf21("4","6","7","7","3","6","2","1") = "6"
    & skf21("4","6","7","7","3","6","3","1") = "6"
    & skf21("4","6","7","7","3","6","4","1") = "6"
    & skf21("4","6","7","7","3","6","5","1") = "6"
    & skf21("4","6","7","7","3","6","6","1") = "6"
    & skf21("4","6","7","7","3","6","7","1") = "6"
    & skf21("4","6","7","7","3","7","1","1") = "6"
    & skf21("4","6","7","7","3","7","2","1") = "6"
    & skf21("4","6","7","7","3","7","3","1") = "6"
    & skf21("4","6","7","7","3","7","4","1") = "6"
    & skf21("4","6","7","7","3","7","5","1") = "6"
    & skf21("4","6","7","7","3","7","6","1") = "6"
    & skf21("4","6","7","7","3","7","7","1") = "6"
    & skf21("4","6","7","7","4","1","1","1") = "6"
    & skf21("4","6","7","7","4","1","2","1") = "6"
    & skf21("4","6","7","7","4","1","3","1") = "6"
    & skf21("4","6","7","7","4","1","4","1") = "6"
    & skf21("4","6","7","7","4","1","5","1") = "6"
    & skf21("4","6","7","7","4","1","6","1") = "6"
    & skf21("4","6","7","7","4","1","7","1") = "6"
    & skf21("4","6","7","7","4","2","1","1") = "6"
    & skf21("4","6","7","7","4","2","2","1") = "6"
    & skf21("4","6","7","7","4","2","3","1") = "6"
    & skf21("4","6","7","7","4","2","4","1") = "6"
    & skf21("4","6","7","7","4","2","5","1") = "6"
    & skf21("4","6","7","7","4","2","6","1") = "6"
    & skf21("4","6","7","7","4","2","7","1") = "6"
    & skf21("4","6","7","7","4","3","1","1") = "6"
    & skf21("4","6","7","7","4","3","2","1") = "6"
    & skf21("4","6","7","7","4","3","3","1") = "6"
    & skf21("4","6","7","7","4","3","4","1") = "6"
    & skf21("4","6","7","7","4","3","5","1") = "6"
    & skf21("4","6","7","7","4","3","6","1") = "6"
    & skf21("4","6","7","7","4","3","7","1") = "6"
    & skf21("4","6","7","7","4","4","1","1") = "6"
    & skf21("4","6","7","7","4","4","2","1") = "6"
    & skf21("4","6","7","7","4","4","3","1") = "6"
    & skf21("4","6","7","7","4","4","4","1") = "6"
    & skf21("4","6","7","7","4","4","5","1") = "6"
    & skf21("4","6","7","7","4","4","6","1") = "6"
    & skf21("4","6","7","7","4","4","7","1") = "6"
    & skf21("4","6","7","7","4","5","1","1") = "6"
    & skf21("4","6","7","7","4","5","2","1") = "6"
    & skf21("4","6","7","7","4","5","3","1") = "6"
    & skf21("4","6","7","7","4","5","4","1") = "6"
    & skf21("4","6","7","7","4","5","5","1") = "6"
    & skf21("4","6","7","7","4","5","6","1") = "6"
    & skf21("4","6","7","7","4","5","7","1") = "6"
    & skf21("4","6","7","7","4","6","1","1") = "6"
    & skf21("4","6","7","7","4","6","2","1") = "6"
    & skf21("4","6","7","7","4","6","3","1") = "6"
    & skf21("4","6","7","7","4","6","4","1") = "6"
    & skf21("4","6","7","7","4","6","5","1") = "6"
    & skf21("4","6","7","7","4","6","6","1") = "6"
    & skf21("4","6","7","7","4","6","7","1") = "6"
    & skf21("4","6","7","7","4","7","1","1") = "6"
    & skf21("4","6","7","7","4","7","2","1") = "6"
    & skf21("4","6","7","7","4","7","3","1") = "6"
    & skf21("4","6","7","7","4","7","4","1") = "6"
    & skf21("4","6","7","7","4","7","5","1") = "6"
    & skf21("4","6","7","7","4","7","6","1") = "6"
    & skf21("4","6","7","7","4","7","7","1") = "6"
    & skf21("4","6","7","7","5","1","1","1") = "6"
    & skf21("4","6","7","7","5","1","2","1") = "6"
    & skf21("4","6","7","7","5","1","3","1") = "6"
    & skf21("4","6","7","7","5","1","4","1") = "6"
    & skf21("4","6","7","7","5","1","5","1") = "6"
    & skf21("4","6","7","7","5","1","6","1") = "6"
    & skf21("4","6","7","7","5","1","7","1") = "6"
    & skf21("4","6","7","7","5","2","1","1") = "6"
    & skf21("4","6","7","7","5","2","2","1") = "6"
    & skf21("4","6","7","7","5","2","3","1") = "6"
    & skf21("4","6","7","7","5","2","4","1") = "6"
    & skf21("4","6","7","7","5","2","5","1") = "6"
    & skf21("4","6","7","7","5","2","6","1") = "6"
    & skf21("4","6","7","7","5","2","7","1") = "6"
    & skf21("4","6","7","7","5","3","1","1") = "6"
    & skf21("4","6","7","7","5","3","2","1") = "6"
    & skf21("4","6","7","7","5","3","3","1") = "6"
    & skf21("4","6","7","7","5","3","4","1") = "6"
    & skf21("4","6","7","7","5","3","5","1") = "6"
    & skf21("4","6","7","7","5","3","6","1") = "6"
    & skf21("4","6","7","7","5","3","7","1") = "6"
    & skf21("4","6","7","7","5","4","1","1") = "6"
    & skf21("4","6","7","7","5","4","2","1") = "6"
    & skf21("4","6","7","7","5","4","3","1") = "6"
    & skf21("4","6","7","7","5","4","4","1") = "6"
    & skf21("4","6","7","7","5","4","5","1") = "6"
    & skf21("4","6","7","7","5","4","6","1") = "6"
    & skf21("4","6","7","7","5","4","7","1") = "6"
    & skf21("4","6","7","7","5","5","1","1") = "6"
    & skf21("4","6","7","7","5","5","2","1") = "6"
    & skf21("4","6","7","7","5","5","3","1") = "6"
    & skf21("4","6","7","7","5","5","4","1") = "6"
    & skf21("4","6","7","7","5","5","5","1") = "6"
    & skf21("4","6","7","7","5","5","6","1") = "6"
    & skf21("4","6","7","7","5","5","7","1") = "6"
    & skf21("4","6","7","7","5","6","1","1") = "6"
    & skf21("4","6","7","7","5","6","2","1") = "6"
    & skf21("4","6","7","7","5","6","3","1") = "6"
    & skf21("4","6","7","7","5","6","4","1") = "6"
    & skf21("4","6","7","7","5","6","5","1") = "6"
    & skf21("4","6","7","7","5","6","6","1") = "6"
    & skf21("4","6","7","7","5","6","7","1") = "6"
    & skf21("4","6","7","7","5","7","1","1") = "6"
    & skf21("4","6","7","7","5","7","2","1") = "6"
    & skf21("4","6","7","7","5","7","3","1") = "6"
    & skf21("4","6","7","7","5","7","4","1") = "6"
    & skf21("4","6","7","7","5","7","5","1") = "6"
    & skf21("4","6","7","7","5","7","6","1") = "6"
    & skf21("4","6","7","7","5","7","7","1") = "6"
    & skf21("4","6","7","7","6","1","1","1") = "6"
    & skf21("4","6","7","7","6","1","2","1") = "6"
    & skf21("4","6","7","7","6","1","3","1") = "6"
    & skf21("4","6","7","7","6","1","4","1") = "6"
    & skf21("4","6","7","7","6","1","5","1") = "6"
    & skf21("4","6","7","7","6","1","6","1") = "6"
    & skf21("4","6","7","7","6","1","7","1") = "6"
    & skf21("4","6","7","7","6","2","1","1") = "6"
    & skf21("4","6","7","7","6","2","2","1") = "6"
    & skf21("4","6","7","7","6","2","3","1") = "6"
    & skf21("4","6","7","7","6","2","4","1") = "6"
    & skf21("4","6","7","7","6","2","5","1") = "6"
    & skf21("4","6","7","7","6","2","6","1") = "6"
    & skf21("4","6","7","7","6","2","7","1") = "6"
    & skf21("4","6","7","7","6","3","1","1") = "6"
    & skf21("4","6","7","7","6","3","2","1") = "6"
    & skf21("4","6","7","7","6","3","3","1") = "6"
    & skf21("4","6","7","7","6","3","4","1") = "6"
    & skf21("4","6","7","7","6","3","5","1") = "6"
    & skf21("4","6","7","7","6","3","6","1") = "6"
    & skf21("4","6","7","7","6","3","7","1") = "6"
    & skf21("4","6","7","7","6","4","1","1") = "6"
    & skf21("4","6","7","7","6","4","2","1") = "6"
    & skf21("4","6","7","7","6","4","3","1") = "6"
    & skf21("4","6","7","7","6","4","4","1") = "6"
    & skf21("4","6","7","7","6","4","5","1") = "6"
    & skf21("4","6","7","7","6","4","6","1") = "6"
    & skf21("4","6","7","7","6","4","7","1") = "6"
    & skf21("4","6","7","7","6","5","1","1") = "6"
    & skf21("4","6","7","7","6","5","2","1") = "6"
    & skf21("4","6","7","7","6","5","3","1") = "6"
    & skf21("4","6","7","7","6","5","4","1") = "6"
    & skf21("4","6","7","7","6","5","5","1") = "6"
    & skf21("4","6","7","7","6","5","6","1") = "6"
    & skf21("4","6","7","7","6","5","7","1") = "6"
    & skf21("4","6","7","7","6","6","1","1") = "6"
    & skf21("4","6","7","7","6","6","2","1") = "6"
    & skf21("4","6","7","7","6","6","3","1") = "6"
    & skf21("4","6","7","7","6","6","4","1") = "6"
    & skf21("4","6","7","7","6","6","5","1") = "6"
    & skf21("4","6","7","7","6","6","6","1") = "6"
    & skf21("4","6","7","7","6","6","7","1") = "6"
    & skf21("4","6","7","7","6","7","1","1") = "6"
    & skf21("4","6","7","7","6","7","2","1") = "6"
    & skf21("4","6","7","7","6","7","3","1") = "6"
    & skf21("4","6","7","7","6","7","4","1") = "6"
    & skf21("4","6","7","7","6","7","5","1") = "6"
    & skf21("4","6","7","7","6","7","6","1") = "6"
    & skf21("4","6","7","7","6","7","7","1") = "6"
    & skf21("4","6","7","7","7","1","1","1") = "6"
    & skf21("4","6","7","7","7","1","2","1") = "6"
    & skf21("4","6","7","7","7","1","3","1") = "6"
    & skf21("4","6","7","7","7","1","4","1") = "6"
    & skf21("4","6","7","7","7","1","5","1") = "6"
    & skf21("4","6","7","7","7","1","6","1") = "6"
    & skf21("4","6","7","7","7","1","7","1") = "6"
    & skf21("4","6","7","7","7","2","1","1") = "6"
    & skf21("4","6","7","7","7","2","2","1") = "6"
    & skf21("4","6","7","7","7","2","3","1") = "6"
    & skf21("4","6","7","7","7","2","4","1") = "6"
    & skf21("4","6","7","7","7","2","5","1") = "6"
    & skf21("4","6","7","7","7","2","6","1") = "6"
    & skf21("4","6","7","7","7","2","7","1") = "6"
    & skf21("4","6","7","7","7","3","1","1") = "6"
    & skf21("4","6","7","7","7","3","2","1") = "6"
    & skf21("4","6","7","7","7","3","3","1") = "6"
    & skf21("4","6","7","7","7","3","4","1") = "6"
    & skf21("4","6","7","7","7","3","5","1") = "6"
    & skf21("4","6","7","7","7","3","6","1") = "6"
    & skf21("4","6","7","7","7","3","7","1") = "6"
    & skf21("4","6","7","7","7","4","1","1") = "6"
    & skf21("4","6","7","7","7","4","2","1") = "6"
    & skf21("4","6","7","7","7","4","3","1") = "6"
    & skf21("4","6","7","7","7","4","4","1") = "6"
    & skf21("4","6","7","7","7","4","5","1") = "6"
    & skf21("4","6","7","7","7","4","6","1") = "6"
    & skf21("4","6","7","7","7","4","7","1") = "6"
    & skf21("4","6","7","7","7","5","1","1") = "6"
    & skf21("4","6","7","7","7","5","2","1") = "6"
    & skf21("4","6","7","7","7","5","3","1") = "6"
    & skf21("4","6","7","7","7","5","4","1") = "6"
    & skf21("4","6","7","7","7","5","5","1") = "6"
    & skf21("4","6","7","7","7","5","6","1") = "6"
    & skf21("4","6","7","7","7","5","7","1") = "6"
    & skf21("4","6","7","7","7","6","1","1") = "6"
    & skf21("4","6","7","7","7","6","2","1") = "6"
    & skf21("4","6","7","7","7","6","3","1") = "6"
    & skf21("4","6","7","7","7","6","4","1") = "6"
    & skf21("4","6","7","7","7","6","5","1") = "6"
    & skf21("4","6","7","7","7","6","6","1") = "6"
    & skf21("4","6","7","7","7","6","7","1") = "6"
    & skf21("4","6","7","7","7","7","1","1") = "6"
    & skf21("4","6","7","7","7","7","2","1") = "6"
    & skf21("4","6","7","7","7","7","3","1") = "6"
    & skf21("4","6","7","7","7","7","4","1") = "6"
    & skf21("4","6","7","7","7","7","5","1") = "6"
    & skf21("4","6","7","7","7","7","6","1") = "6"
    & skf21("4","6","7","7","7","7","7","1") = "6"
    & skf21("4","7","1","1","1","1","1","1") = "6"
    & skf21("4","7","1","1","1","1","2","1") = "6"
    & skf21("4","7","1","1","1","1","3","1") = "6"
    & skf21("4","7","1","1","1","1","4","1") = "6"
    & skf21("4","7","1","1","1","1","5","1") = "6"
    & skf21("4","7","1","1","1","1","6","1") = "6"
    & skf21("4","7","1","1","1","1","7","1") = "6"
    & skf21("4","7","1","1","1","2","1","1") = "6"
    & skf21("4","7","1","1","1","2","2","1") = "6"
    & skf21("4","7","1","1","1","2","3","1") = "6"
    & skf21("4","7","1","1","1","2","4","1") = "6"
    & skf21("4","7","1","1","1","2","5","1") = "6"
    & skf21("4","7","1","1","1","2","6","1") = "6"
    & skf21("4","7","1","1","1","2","7","1") = "6"
    & skf21("4","7","1","1","1","3","1","1") = "6"
    & skf21("4","7","1","1","1","3","2","1") = "6"
    & skf21("4","7","1","1","1","3","3","1") = "6"
    & skf21("4","7","1","1","1","3","4","1") = "6"
    & skf21("4","7","1","1","1","3","5","1") = "6"
    & skf21("4","7","1","1","1","3","6","1") = "6"
    & skf21("4","7","1","1","1","3","7","1") = "6"
    & skf21("4","7","1","1","1","4","1","1") = "6"
    & skf21("4","7","1","1","1","4","2","1") = "6"
    & skf21("4","7","1","1","1","4","3","1") = "6"
    & skf21("4","7","1","1","1","4","4","1") = "6"
    & skf21("4","7","1","1","1","4","5","1") = "6"
    & skf21("4","7","1","1","1","4","6","1") = "6"
    & skf21("4","7","1","1","1","4","7","1") = "6"
    & skf21("4","7","1","1","1","5","1","1") = "6"
    & skf21("4","7","1","1","1","5","2","1") = "6"
    & skf21("4","7","1","1","1","5","3","1") = "6"
    & skf21("4","7","1","1","1","5","4","1") = "6"
    & skf21("4","7","1","1","1","5","5","1") = "6"
    & skf21("4","7","1","1","1","5","6","1") = "6"
    & skf21("4","7","1","1","1","5","7","1") = "6"
    & skf21("4","7","1","1","1","6","1","1") = "6"
    & skf21("4","7","1","1","1","6","2","1") = "6"
    & skf21("4","7","1","1","1","6","3","1") = "6"
    & skf21("4","7","1","1","1","6","4","1") = "6"
    & skf21("4","7","1","1","1","6","5","1") = "6"
    & skf21("4","7","1","1","1","6","6","1") = "6"
    & skf21("4","7","1","1","1","6","7","1") = "6"
    & skf21("4","7","1","1","1","7","1","1") = "6"
    & skf21("4","7","1","1","1","7","2","1") = "6"
    & skf21("4","7","1","1","1","7","3","1") = "6"
    & skf21("4","7","1","1","1","7","4","1") = "6"
    & skf21("4","7","1","1","1","7","5","1") = "6"
    & skf21("4","7","1","1","1","7","6","1") = "6"
    & skf21("4","7","1","1","1","7","7","1") = "6"
    & skf21("4","7","1","1","2","1","1","1") = "6"
    & skf21("4","7","1","1","2","1","2","1") = "6"
    & skf21("4","7","1","1","2","1","3","1") = "6"
    & skf21("4","7","1","1","2","1","4","1") = "6"
    & skf21("4","7","1","1","2","1","5","1") = "6"
    & skf21("4","7","1","1","2","1","6","1") = "6"
    & skf21("4","7","1","1","2","1","7","1") = "6"
    & skf21("4","7","1","1","2","2","1","1") = "6"
    & skf21("4","7","1","1","2","2","2","1") = "6"
    & skf21("4","7","1","1","2","2","3","1") = "6"
    & skf21("4","7","1","1","2","2","4","1") = "6"
    & skf21("4","7","1","1","2","2","5","1") = "6"
    & skf21("4","7","1","1","2","2","6","1") = "6"
    & skf21("4","7","1","1","2","2","7","1") = "6"
    & skf21("4","7","1","1","2","3","1","1") = "6"
    & skf21("4","7","1","1","2","3","2","1") = "6"
    & skf21("4","7","1","1","2","3","3","1") = "6"
    & skf21("4","7","1","1","2","3","4","1") = "6"
    & skf21("4","7","1","1","2","3","5","1") = "6"
    & skf21("4","7","1","1","2","3","6","1") = "6"
    & skf21("4","7","1","1","2","3","7","1") = "6"
    & skf21("4","7","1","1","2","4","1","1") = "6"
    & skf21("4","7","1","1","2","4","2","1") = "6"
    & skf21("4","7","1","1","2","4","3","1") = "6"
    & skf21("4","7","1","1","2","4","4","1") = "6"
    & skf21("4","7","1","1","2","4","5","1") = "6"
    & skf21("4","7","1","1","2","4","6","1") = "6"
    & skf21("4","7","1","1","2","4","7","1") = "6"
    & skf21("4","7","1","1","2","5","1","1") = "6"
    & skf21("4","7","1","1","2","5","2","1") = "6"
    & skf21("4","7","1","1","2","5","3","1") = "6"
    & skf21("4","7","1","1","2","5","4","1") = "6"
    & skf21("4","7","1","1","2","5","5","1") = "6"
    & skf21("4","7","1","1","2","5","6","1") = "6"
    & skf21("4","7","1","1","2","5","7","1") = "6"
    & skf21("4","7","1","1","2","6","1","1") = "6"
    & skf21("4","7","1","1","2","6","2","1") = "6"
    & skf21("4","7","1","1","2","6","3","1") = "6"
    & skf21("4","7","1","1","2","6","4","1") = "6"
    & skf21("4","7","1","1","2","6","5","1") = "6"
    & skf21("4","7","1","1","2","6","6","1") = "6"
    & skf21("4","7","1","1","2","6","7","1") = "6"
    & skf21("4","7","1","1","2","7","1","1") = "6"
    & skf21("4","7","1","1","2","7","2","1") = "6"
    & skf21("4","7","1","1","2","7","3","1") = "6"
    & skf21("4","7","1","1","2","7","4","1") = "6"
    & skf21("4","7","1","1","2","7","5","1") = "6"
    & skf21("4","7","1","1","2","7","6","1") = "6"
    & skf21("4","7","1","1","2","7","7","1") = "6"
    & skf21("4","7","1","1","3","1","1","1") = "6"
    & skf21("4","7","1","1","3","1","2","1") = "6"
    & skf21("4","7","1","1","3","1","3","1") = "6"
    & skf21("4","7","1","1","3","1","4","1") = "6"
    & skf21("4","7","1","1","3","1","5","1") = "6"
    & skf21("4","7","1","1","3","1","6","1") = "6"
    & skf21("4","7","1","1","3","1","7","1") = "6"
    & skf21("4","7","1","1","3","2","1","1") = "6"
    & skf21("4","7","1","1","3","2","2","1") = "6"
    & skf21("4","7","1","1","3","2","3","1") = "6"
    & skf21("4","7","1","1","3","2","4","1") = "6"
    & skf21("4","7","1","1","3","2","5","1") = "6"
    & skf21("4","7","1","1","3","2","6","1") = "6"
    & skf21("4","7","1","1","3","2","7","1") = "6"
    & skf21("4","7","1","1","3","3","1","1") = "6"
    & skf21("4","7","1","1","3","3","2","1") = "6"
    & skf21("4","7","1","1","3","3","3","1") = "6"
    & skf21("4","7","1","1","3","3","4","1") = "6"
    & skf21("4","7","1","1","3","3","5","1") = "6"
    & skf21("4","7","1","1","3","3","6","1") = "6"
    & skf21("4","7","1","1","3","3","7","1") = "6"
    & skf21("4","7","1","1","3","4","1","1") = "6"
    & skf21("4","7","1","1","3","4","2","1") = "6"
    & skf21("4","7","1","1","3","4","3","1") = "6"
    & skf21("4","7","1","1","3","4","4","1") = "6"
    & skf21("4","7","1","1","3","4","5","1") = "6"
    & skf21("4","7","1","1","3","4","6","1") = "6"
    & skf21("4","7","1","1","3","4","7","1") = "6"
    & skf21("4","7","1","1","3","5","1","1") = "6"
    & skf21("4","7","1","1","3","5","2","1") = "6"
    & skf21("4","7","1","1","3","5","3","1") = "6"
    & skf21("4","7","1","1","3","5","4","1") = "6"
    & skf21("4","7","1","1","3","5","5","1") = "6"
    & skf21("4","7","1","1","3","5","6","1") = "6"
    & skf21("4","7","1","1","3","5","7","1") = "6"
    & skf21("4","7","1","1","3","6","1","1") = "6"
    & skf21("4","7","1","1","3","6","2","1") = "6"
    & skf21("4","7","1","1","3","6","3","1") = "6"
    & skf21("4","7","1","1","3","6","4","1") = "6"
    & skf21("4","7","1","1","3","6","5","1") = "6"
    & skf21("4","7","1","1","3","6","6","1") = "6"
    & skf21("4","7","1","1","3","6","7","1") = "6"
    & skf21("4","7","1","1","3","7","1","1") = "6"
    & skf21("4","7","1","1","3","7","2","1") = "6"
    & skf21("4","7","1","1","3","7","3","1") = "6"
    & skf21("4","7","1","1","3","7","4","1") = "6"
    & skf21("4","7","1","1","3","7","5","1") = "6"
    & skf21("4","7","1","1","3","7","6","1") = "6"
    & skf21("4","7","1","1","3","7","7","1") = "6"
    & skf21("4","7","1","1","4","1","1","1") = "6"
    & skf21("4","7","1","1","4","1","2","1") = "6"
    & skf21("4","7","1","1","4","1","3","1") = "6"
    & skf21("4","7","1","1","4","1","4","1") = "6"
    & skf21("4","7","1","1","4","1","5","1") = "6"
    & skf21("4","7","1","1","4","1","6","1") = "6"
    & skf21("4","7","1","1","4","1","7","1") = "6"
    & skf21("4","7","1","1","4","2","1","1") = "6"
    & skf21("4","7","1","1","4","2","2","1") = "6"
    & skf21("4","7","1","1","4","2","3","1") = "6"
    & skf21("4","7","1","1","4","2","4","1") = "6"
    & skf21("4","7","1","1","4","2","5","1") = "6"
    & skf21("4","7","1","1","4","2","6","1") = "6"
    & skf21("4","7","1","1","4","2","7","1") = "6"
    & skf21("4","7","1","1","4","3","1","1") = "6"
    & skf21("4","7","1","1","4","3","2","1") = "6"
    & skf21("4","7","1","1","4","3","3","1") = "6"
    & skf21("4","7","1","1","4","3","4","1") = "6"
    & skf21("4","7","1","1","4","3","5","1") = "6"
    & skf21("4","7","1","1","4","3","6","1") = "6"
    & skf21("4","7","1","1","4","3","7","1") = "6"
    & skf21("4","7","1","1","4","4","1","1") = "6"
    & skf21("4","7","1","1","4","4","2","1") = "6"
    & skf21("4","7","1","1","4","4","3","1") = "6"
    & skf21("4","7","1","1","4","4","4","1") = "6"
    & skf21("4","7","1","1","4","4","5","1") = "6"
    & skf21("4","7","1","1","4","4","6","1") = "6"
    & skf21("4","7","1","1","4","4","7","1") = "6"
    & skf21("4","7","1","1","4","5","1","1") = "6"
    & skf21("4","7","1","1","4","5","2","1") = "6"
    & skf21("4","7","1","1","4","5","3","1") = "6"
    & skf21("4","7","1","1","4","5","4","1") = "6"
    & skf21("4","7","1","1","4","5","5","1") = "6"
    & skf21("4","7","1","1","4","5","6","1") = "6"
    & skf21("4","7","1","1","4","5","7","1") = "6"
    & skf21("4","7","1","1","4","6","1","1") = "6"
    & skf21("4","7","1","1","4","6","2","1") = "6"
    & skf21("4","7","1","1","4","6","3","1") = "6"
    & skf21("4","7","1","1","4","6","4","1") = "6"
    & skf21("4","7","1","1","4","6","5","1") = "6"
    & skf21("4","7","1","1","4","6","6","1") = "6"
    & skf21("4","7","1","1","4","6","7","1") = "6"
    & skf21("4","7","1","1","4","7","1","1") = "6"
    & skf21("4","7","1","1","4","7","2","1") = "6"
    & skf21("4","7","1","1","4","7","3","1") = "6"
    & skf21("4","7","1","1","4","7","4","1") = "6"
    & skf21("4","7","1","1","4","7","5","1") = "6"
    & skf21("4","7","1","1","4","7","6","1") = "6"
    & skf21("4","7","1","1","4","7","7","1") = "6"
    & skf21("4","7","1","1","5","1","1","1") = "6"
    & skf21("4","7","1","1","5","1","2","1") = "6"
    & skf21("4","7","1","1","5","1","3","1") = "6"
    & skf21("4","7","1","1","5","1","4","1") = "6"
    & skf21("4","7","1","1","5","1","5","1") = "6"
    & skf21("4","7","1","1","5","1","6","1") = "6"
    & skf21("4","7","1","1","5","1","7","1") = "6"
    & skf21("4","7","1","1","5","2","1","1") = "6"
    & skf21("4","7","1","1","5","2","2","1") = "6"
    & skf21("4","7","1","1","5","2","3","1") = "6"
    & skf21("4","7","1","1","5","2","4","1") = "6"
    & skf21("4","7","1","1","5","2","5","1") = "6"
    & skf21("4","7","1","1","5","2","6","1") = "6"
    & skf21("4","7","1","1","5","2","7","1") = "6"
    & skf21("4","7","1","1","5","3","1","1") = "6"
    & skf21("4","7","1","1","5","3","2","1") = "6"
    & skf21("4","7","1","1","5","3","3","1") = "6"
    & skf21("4","7","1","1","5","3","4","1") = "6"
    & skf21("4","7","1","1","5","3","5","1") = "6"
    & skf21("4","7","1","1","5","3","6","1") = "6"
    & skf21("4","7","1","1","5","3","7","1") = "6"
    & skf21("4","7","1","1","5","4","1","1") = "6"
    & skf21("4","7","1","1","5","4","2","1") = "6"
    & skf21("4","7","1","1","5","4","3","1") = "6"
    & skf21("4","7","1","1","5","4","4","1") = "6"
    & skf21("4","7","1","1","5","4","5","1") = "6"
    & skf21("4","7","1","1","5","4","6","1") = "6"
    & skf21("4","7","1","1","5","4","7","1") = "6"
    & skf21("4","7","1","1","5","5","1","1") = "6"
    & skf21("4","7","1","1","5","5","2","1") = "6"
    & skf21("4","7","1","1","5","5","3","1") = "6"
    & skf21("4","7","1","1","5","5","4","1") = "6"
    & skf21("4","7","1","1","5","5","5","1") = "6"
    & skf21("4","7","1","1","5","5","6","1") = "6"
    & skf21("4","7","1","1","5","5","7","1") = "6"
    & skf21("4","7","1","1","5","6","1","1") = "6"
    & skf21("4","7","1","1","5","6","2","1") = "6"
    & skf21("4","7","1","1","5","6","3","1") = "6"
    & skf21("4","7","1","1","5","6","4","1") = "6"
    & skf21("4","7","1","1","5","6","5","1") = "6"
    & skf21("4","7","1","1","5","6","6","1") = "6"
    & skf21("4","7","1","1","5","6","7","1") = "6"
    & skf21("4","7","1","1","5","7","1","1") = "6"
    & skf21("4","7","1","1","5","7","2","1") = "6"
    & skf21("4","7","1","1","5","7","3","1") = "6"
    & skf21("4","7","1","1","5","7","4","1") = "6"
    & skf21("4","7","1","1","5","7","5","1") = "6"
    & skf21("4","7","1","1","5","7","6","1") = "6"
    & skf21("4","7","1","1","5","7","7","1") = "6"
    & skf21("4","7","1","1","6","1","1","1") = "6"
    & skf21("4","7","1","1","6","1","2","1") = "6"
    & skf21("4","7","1","1","6","1","3","1") = "6"
    & skf21("4","7","1","1","6","1","4","1") = "6"
    & skf21("4","7","1","1","6","1","5","1") = "6"
    & skf21("4","7","1","1","6","1","6","1") = "6"
    & skf21("4","7","1","1","6","1","7","1") = "6"
    & skf21("4","7","1","1","6","2","1","1") = "6"
    & skf21("4","7","1","1","6","2","2","1") = "6"
    & skf21("4","7","1","1","6","2","3","1") = "6"
    & skf21("4","7","1","1","6","2","4","1") = "6"
    & skf21("4","7","1","1","6","2","5","1") = "6"
    & skf21("4","7","1","1","6","2","6","1") = "6"
    & skf21("4","7","1","1","6","2","7","1") = "6"
    & skf21("4","7","1","1","6","3","1","1") = "6"
    & skf21("4","7","1","1","6","3","2","1") = "6"
    & skf21("4","7","1","1","6","3","3","1") = "6"
    & skf21("4","7","1","1","6","3","4","1") = "6"
    & skf21("4","7","1","1","6","3","5","1") = "6"
    & skf21("4","7","1","1","6","3","6","1") = "6"
    & skf21("4","7","1","1","6","3","7","1") = "6"
    & skf21("4","7","1","1","6","4","1","1") = "6"
    & skf21("4","7","1","1","6","4","2","1") = "6"
    & skf21("4","7","1","1","6","4","3","1") = "6"
    & skf21("4","7","1","1","6","4","4","1") = "6"
    & skf21("4","7","1","1","6","4","5","1") = "6"
    & skf21("4","7","1","1","6","4","6","1") = "6"
    & skf21("4","7","1","1","6","4","7","1") = "6"
    & skf21("4","7","1","1","6","5","1","1") = "6"
    & skf21("4","7","1","1","6","5","2","1") = "6"
    & skf21("4","7","1","1","6","5","3","1") = "6"
    & skf21("4","7","1","1","6","5","4","1") = "6"
    & skf21("4","7","1","1","6","5","5","1") = "6"
    & skf21("4","7","1","1","6","5","6","1") = "6"
    & skf21("4","7","1","1","6","5","7","1") = "6"
    & skf21("4","7","1","1","6","6","1","1") = "6"
    & skf21("4","7","1","1","6","6","2","1") = "6"
    & skf21("4","7","1","1","6","6","3","1") = "6"
    & skf21("4","7","1","1","6","6","4","1") = "6"
    & skf21("4","7","1","1","6","6","5","1") = "6"
    & skf21("4","7","1","1","6","6","6","1") = "6"
    & skf21("4","7","1","1","6","6","7","1") = "6"
    & skf21("4","7","1","1","6","7","1","1") = "6"
    & skf21("4","7","1","1","6","7","2","1") = "6"
    & skf21("4","7","1","1","6","7","3","1") = "6"
    & skf21("4","7","1","1","6","7","4","1") = "6"
    & skf21("4","7","1","1","6","7","5","1") = "6"
    & skf21("4","7","1","1","6","7","6","1") = "6"
    & skf21("4","7","1","1","6","7","7","1") = "6"
    & skf21("4","7","1","1","7","1","1","1") = "6"
    & skf21("4","7","1","1","7","1","2","1") = "6"
    & skf21("4","7","1","1","7","1","3","1") = "6"
    & skf21("4","7","1","1","7","1","4","1") = "6"
    & skf21("4","7","1","1","7","1","5","1") = "6"
    & skf21("4","7","1","1","7","1","6","1") = "6"
    & skf21("4","7","1","1","7","1","7","1") = "6"
    & skf21("4","7","1","1","7","2","1","1") = "6"
    & skf21("4","7","1","1","7","2","2","1") = "6"
    & skf21("4","7","1","1","7","2","3","1") = "6"
    & skf21("4","7","1","1","7","2","4","1") = "6"
    & skf21("4","7","1","1","7","2","5","1") = "6"
    & skf21("4","7","1","1","7","2","6","1") = "6"
    & skf21("4","7","1","1","7","2","7","1") = "6"
    & skf21("4","7","1","1","7","3","1","1") = "6"
    & skf21("4","7","1","1","7","3","2","1") = "6"
    & skf21("4","7","1","1","7","3","3","1") = "6"
    & skf21("4","7","1","1","7","3","4","1") = "6"
    & skf21("4","7","1","1","7","3","5","1") = "6"
    & skf21("4","7","1","1","7","3","6","1") = "6"
    & skf21("4","7","1","1","7","3","7","1") = "6"
    & skf21("4","7","1","1","7","4","1","1") = "6"
    & skf21("4","7","1","1","7","4","2","1") = "6"
    & skf21("4","7","1","1","7","4","3","1") = "6"
    & skf21("4","7","1","1","7","4","4","1") = "6"
    & skf21("4","7","1","1","7","4","5","1") = "6"
    & skf21("4","7","1","1","7","4","6","1") = "6"
    & skf21("4","7","1","1","7","4","7","1") = "6"
    & skf21("4","7","1","1","7","5","1","1") = "6"
    & skf21("4","7","1","1","7","5","2","1") = "6"
    & skf21("4","7","1","1","7","5","3","1") = "6"
    & skf21("4","7","1","1","7","5","4","1") = "6"
    & skf21("4","7","1","1","7","5","5","1") = "6"
    & skf21("4","7","1","1","7","5","6","1") = "6"
    & skf21("4","7","1","1","7","5","7","1") = "6"
    & skf21("4","7","1","1","7","6","1","1") = "6"
    & skf21("4","7","1","1","7","6","2","1") = "6"
    & skf21("4","7","1","1","7","6","3","1") = "6"
    & skf21("4","7","1","1","7","6","4","1") = "6"
    & skf21("4","7","1","1","7","6","5","1") = "6"
    & skf21("4","7","1","1","7","6","6","1") = "6"
    & skf21("4","7","1","1","7","6","7","1") = "6"
    & skf21("4","7","1","1","7","7","1","1") = "6"
    & skf21("4","7","1","1","7","7","2","1") = "6"
    & skf21("4","7","1","1","7","7","3","1") = "6"
    & skf21("4","7","1","1","7","7","4","1") = "6"
    & skf21("4","7","1","1","7","7","5","1") = "6"
    & skf21("4","7","1","1","7","7","6","1") = "6"
    & skf21("4","7","1","1","7","7","7","1") = "6"
    & skf21("4","7","1","2","1","1","1","1") = "6"
    & skf21("4","7","1","2","1","1","2","1") = "6"
    & skf21("4","7","1","2","1","1","3","1") = "6"
    & skf21("4","7","1","2","1","1","4","1") = "6"
    & skf21("4","7","1","2","1","1","5","1") = "6"
    & skf21("4","7","1","2","1","1","6","1") = "6"
    & skf21("4","7","1","2","1","1","7","1") = "6"
    & skf21("4","7","1","2","1","2","1","1") = "6"
    & skf21("4","7","1","2","1","2","2","1") = "6"
    & skf21("4","7","1","2","1","2","3","1") = "6"
    & skf21("4","7","1","2","1","2","4","1") = "6"
    & skf21("4","7","1","2","1","2","5","1") = "6"
    & skf21("4","7","1","2","1","2","6","1") = "6"
    & skf21("4","7","1","2","1","2","7","1") = "6"
    & skf21("4","7","1","2","1","3","1","1") = "6"
    & skf21("4","7","1","2","1","3","2","1") = "6"
    & skf21("4","7","1","2","1","3","3","1") = "6"
    & skf21("4","7","1","2","1","3","4","1") = "6"
    & skf21("4","7","1","2","1","3","5","1") = "6"
    & skf21("4","7","1","2","1","3","6","1") = "6"
    & skf21("4","7","1","2","1","3","7","1") = "6"
    & skf21("4","7","1","2","1","4","1","1") = "6"
    & skf21("4","7","1","2","1","4","2","1") = "6"
    & skf21("4","7","1","2","1","4","3","1") = "6"
    & skf21("4","7","1","2","1","4","4","1") = "6"
    & skf21("4","7","1","2","1","4","5","1") = "6"
    & skf21("4","7","1","2","1","4","6","1") = "6"
    & skf21("4","7","1","2","1","4","7","1") = "6"
    & skf21("4","7","1","2","1","5","1","1") = "6"
    & skf21("4","7","1","2","1","5","2","1") = "6"
    & skf21("4","7","1","2","1","5","3","1") = "6"
    & skf21("4","7","1","2","1","5","4","1") = "6"
    & skf21("4","7","1","2","1","5","5","1") = "6"
    & skf21("4","7","1","2","1","5","6","1") = "6"
    & skf21("4","7","1","2","1","5","7","1") = "6"
    & skf21("4","7","1","2","1","6","1","1") = "6"
    & skf21("4","7","1","2","1","6","2","1") = "6"
    & skf21("4","7","1","2","1","6","3","1") = "6"
    & skf21("4","7","1","2","1","6","4","1") = "6"
    & skf21("4","7","1","2","1","6","5","1") = "6"
    & skf21("4","7","1","2","1","6","6","1") = "6"
    & skf21("4","7","1","2","1","6","7","1") = "6"
    & skf21("4","7","1","2","1","7","1","1") = "6"
    & skf21("4","7","1","2","1","7","2","1") = "6"
    & skf21("4","7","1","2","1","7","3","1") = "6"
    & skf21("4","7","1","2","1","7","4","1") = "6"
    & skf21("4","7","1","2","1","7","5","1") = "6"
    & skf21("4","7","1","2","1","7","6","1") = "6"
    & skf21("4","7","1","2","1","7","7","1") = "6"
    & skf21("4","7","1","2","2","1","1","1") = "6"
    & skf21("4","7","1","2","2","1","2","1") = "6"
    & skf21("4","7","1","2","2","1","3","1") = "6"
    & skf21("4","7","1","2","2","1","4","1") = "6"
    & skf21("4","7","1","2","2","1","5","1") = "6"
    & skf21("4","7","1","2","2","1","6","1") = "6"
    & skf21("4","7","1","2","2","1","7","1") = "6"
    & skf21("4","7","1","2","2","2","1","1") = "6"
    & skf21("4","7","1","2","2","2","2","1") = "6"
    & skf21("4","7","1","2","2","2","3","1") = "6"
    & skf21("4","7","1","2","2","2","4","1") = "6"
    & skf21("4","7","1","2","2","2","5","1") = "6"
    & skf21("4","7","1","2","2","2","6","1") = "6"
    & skf21("4","7","1","2","2","2","7","1") = "6"
    & skf21("4","7","1","2","2","3","1","1") = "6"
    & skf21("4","7","1","2","2","3","2","1") = "6"
    & skf21("4","7","1","2","2","3","3","1") = "6"
    & skf21("4","7","1","2","2","3","4","1") = "6"
    & skf21("4","7","1","2","2","3","5","1") = "6"
    & skf21("4","7","1","2","2","3","6","1") = "6"
    & skf21("4","7","1","2","2","3","7","1") = "6"
    & skf21("4","7","1","2","2","4","1","1") = "6"
    & skf21("4","7","1","2","2","4","2","1") = "6"
    & skf21("4","7","1","2","2","4","3","1") = "6"
    & skf21("4","7","1","2","2","4","4","1") = "6"
    & skf21("4","7","1","2","2","4","5","1") = "6"
    & skf21("4","7","1","2","2","4","6","1") = "6"
    & skf21("4","7","1","2","2","4","7","1") = "6"
    & skf21("4","7","1","2","2","5","1","1") = "6"
    & skf21("4","7","1","2","2","5","2","1") = "6"
    & skf21("4","7","1","2","2","5","3","1") = "6"
    & skf21("4","7","1","2","2","5","4","1") = "6"
    & skf21("4","7","1","2","2","5","5","1") = "6"
    & skf21("4","7","1","2","2","5","6","1") = "6"
    & skf21("4","7","1","2","2","5","7","1") = "6"
    & skf21("4","7","1","2","2","6","1","1") = "6"
    & skf21("4","7","1","2","2","6","2","1") = "6"
    & skf21("4","7","1","2","2","6","3","1") = "6"
    & skf21("4","7","1","2","2","6","4","1") = "6"
    & skf21("4","7","1","2","2","6","5","1") = "6"
    & skf21("4","7","1","2","2","6","6","1") = "6"
    & skf21("4","7","1","2","2","6","7","1") = "6"
    & skf21("4","7","1","2","2","7","1","1") = "6"
    & skf21("4","7","1","2","2","7","2","1") = "6"
    & skf21("4","7","1","2","2","7","3","1") = "6"
    & skf21("4","7","1","2","2","7","4","1") = "6"
    & skf21("4","7","1","2","2","7","5","1") = "6"
    & skf21("4","7","1","2","2","7","6","1") = "6"
    & skf21("4","7","1","2","2","7","7","1") = "6"
    & skf21("4","7","1","2","3","1","1","1") = "6"
    & skf21("4","7","1","2","3","1","2","1") = "6"
    & skf21("4","7","1","2","3","1","3","1") = "6"
    & skf21("4","7","1","2","3","1","4","1") = "6"
    & skf21("4","7","1","2","3","1","5","1") = "6"
    & skf21("4","7","1","2","3","1","6","1") = "6"
    & skf21("4","7","1","2","3","1","7","1") = "6"
    & skf21("4","7","1","2","3","2","1","1") = "6"
    & skf21("4","7","1","2","3","2","2","1") = "6"
    & skf21("4","7","1","2","3","2","3","1") = "6"
    & skf21("4","7","1","2","3","2","4","1") = "6"
    & skf21("4","7","1","2","3","2","5","1") = "6"
    & skf21("4","7","1","2","3","2","6","1") = "6"
    & skf21("4","7","1","2","3","2","7","1") = "6"
    & skf21("4","7","1","2","3","3","1","1") = "6"
    & skf21("4","7","1","2","3","3","2","1") = "6"
    & skf21("4","7","1","2","3","3","3","1") = "6"
    & skf21("4","7","1","2","3","3","4","1") = "6"
    & skf21("4","7","1","2","3","3","5","1") = "6"
    & skf21("4","7","1","2","3","3","6","1") = "6"
    & skf21("4","7","1","2","3","3","7","1") = "6"
    & skf21("4","7","1","2","3","4","1","1") = "6"
    & skf21("4","7","1","2","3","4","2","1") = "6"
    & skf21("4","7","1","2","3","4","3","1") = "6"
    & skf21("4","7","1","2","3","4","4","1") = "6"
    & skf21("4","7","1","2","3","4","5","1") = "6"
    & skf21("4","7","1","2","3","4","6","1") = "6"
    & skf21("4","7","1","2","3","4","7","1") = "6"
    & skf21("4","7","1","2","3","5","1","1") = "6"
    & skf21("4","7","1","2","3","5","2","1") = "6"
    & skf21("4","7","1","2","3","5","3","1") = "6"
    & skf21("4","7","1","2","3","5","4","1") = "6"
    & skf21("4","7","1","2","3","5","5","1") = "6"
    & skf21("4","7","1","2","3","5","6","1") = "6"
    & skf21("4","7","1","2","3","5","7","1") = "6"
    & skf21("4","7","1","2","3","6","1","1") = "6"
    & skf21("4","7","1","2","3","6","2","1") = "6"
    & skf21("4","7","1","2","3","6","3","1") = "6"
    & skf21("4","7","1","2","3","6","4","1") = "6"
    & skf21("4","7","1","2","3","6","5","1") = "6"
    & skf21("4","7","1","2","3","6","6","1") = "6"
    & skf21("4","7","1","2","3","6","7","1") = "6"
    & skf21("4","7","1","2","3","7","1","1") = "6"
    & skf21("4","7","1","2","3","7","2","1") = "6"
    & skf21("4","7","1","2","3","7","3","1") = "6"
    & skf21("4","7","1","2","3","7","4","1") = "6"
    & skf21("4","7","1","2","3","7","5","1") = "6"
    & skf21("4","7","1","2","3","7","6","1") = "6"
    & skf21("4","7","1","2","3","7","7","1") = "6"
    & skf21("4","7","1","2","4","1","1","1") = "6"
    & skf21("4","7","1","2","4","1","2","1") = "6"
    & skf21("4","7","1","2","4","1","3","1") = "6"
    & skf21("4","7","1","2","4","1","4","1") = "6"
    & skf21("4","7","1","2","4","1","5","1") = "6"
    & skf21("4","7","1","2","4","1","6","1") = "6"
    & skf21("4","7","1","2","4","1","7","1") = "6"
    & skf21("4","7","1","2","4","2","1","1") = "6"
    & skf21("4","7","1","2","4","2","2","1") = "6"
    & skf21("4","7","1","2","4","2","3","1") = "6"
    & skf21("4","7","1","2","4","2","4","1") = "6"
    & skf21("4","7","1","2","4","2","5","1") = "6"
    & skf21("4","7","1","2","4","2","6","1") = "6"
    & skf21("4","7","1","2","4","2","7","1") = "6"
    & skf21("4","7","1","2","4","3","1","1") = "6"
    & skf21("4","7","1","2","4","3","2","1") = "6"
    & skf21("4","7","1","2","4","3","3","1") = "6"
    & skf21("4","7","1","2","4","3","4","1") = "6"
    & skf21("4","7","1","2","4","3","5","1") = "6"
    & skf21("4","7","1","2","4","3","6","1") = "6"
    & skf21("4","7","1","2","4","3","7","1") = "6"
    & skf21("4","7","1","2","4","4","1","1") = "6"
    & skf21("4","7","1","2","4","4","2","1") = "6"
    & skf21("4","7","1","2","4","4","3","1") = "6"
    & skf21("4","7","1","2","4","4","4","1") = "6"
    & skf21("4","7","1","2","4","4","5","1") = "6"
    & skf21("4","7","1","2","4","4","6","1") = "6"
    & skf21("4","7","1","2","4","4","7","1") = "6"
    & skf21("4","7","1","2","4","5","1","1") = "6"
    & skf21("4","7","1","2","4","5","2","1") = "6"
    & skf21("4","7","1","2","4","5","3","1") = "6"
    & skf21("4","7","1","2","4","5","4","1") = "6"
    & skf21("4","7","1","2","4","5","5","1") = "6"
    & skf21("4","7","1","2","4","5","6","1") = "6"
    & skf21("4","7","1","2","4","5","7","1") = "6"
    & skf21("4","7","1","2","4","6","1","1") = "6"
    & skf21("4","7","1","2","4","6","2","1") = "6"
    & skf21("4","7","1","2","4","6","3","1") = "6"
    & skf21("4","7","1","2","4","6","4","1") = "6"
    & skf21("4","7","1","2","4","6","5","1") = "6"
    & skf21("4","7","1","2","4","6","6","1") = "6"
    & skf21("4","7","1","2","4","6","7","1") = "6"
    & skf21("4","7","1","2","4","7","1","1") = "6"
    & skf21("4","7","1","2","4","7","2","1") = "6"
    & skf21("4","7","1","2","4","7","3","1") = "6"
    & skf21("4","7","1","2","4","7","4","1") = "6"
    & skf21("4","7","1","2","4","7","5","1") = "6"
    & skf21("4","7","1","2","4","7","6","1") = "6"
    & skf21("4","7","1","2","4","7","7","1") = "6"
    & skf21("4","7","1","2","5","1","1","1") = "6"
    & skf21("4","7","1","2","5","1","2","1") = "6"
    & skf21("4","7","1","2","5","1","3","1") = "6"
    & skf21("4","7","1","2","5","1","4","1") = "6"
    & skf21("4","7","1","2","5","1","5","1") = "6"
    & skf21("4","7","1","2","5","1","6","1") = "6"
    & skf21("4","7","1","2","5","1","7","1") = "6"
    & skf21("4","7","1","2","5","2","1","1") = "6"
    & skf21("4","7","1","2","5","2","2","1") = "6"
    & skf21("4","7","1","2","5","2","3","1") = "6"
    & skf21("4","7","1","2","5","2","4","1") = "6"
    & skf21("4","7","1","2","5","2","5","1") = "6"
    & skf21("4","7","1","2","5","2","6","1") = "6"
    & skf21("4","7","1","2","5","2","7","1") = "6"
    & skf21("4","7","1","2","5","3","1","1") = "6"
    & skf21("4","7","1","2","5","3","2","1") = "6"
    & skf21("4","7","1","2","5","3","3","1") = "6"
    & skf21("4","7","1","2","5","3","4","1") = "6"
    & skf21("4","7","1","2","5","3","5","1") = "6"
    & skf21("4","7","1","2","5","3","6","1") = "6"
    & skf21("4","7","1","2","5","3","7","1") = "6"
    & skf21("4","7","1","2","5","4","1","1") = "6"
    & skf21("4","7","1","2","5","4","2","1") = "6"
    & skf21("4","7","1","2","5","4","3","1") = "6"
    & skf21("4","7","1","2","5","4","4","1") = "6"
    & skf21("4","7","1","2","5","4","5","1") = "6"
    & skf21("4","7","1","2","5","4","6","1") = "6"
    & skf21("4","7","1","2","5","4","7","1") = "6"
    & skf21("4","7","1","2","5","5","1","1") = "6"
    & skf21("4","7","1","2","5","5","2","1") = "6"
    & skf21("4","7","1","2","5","5","3","1") = "6"
    & skf21("4","7","1","2","5","5","4","1") = "6"
    & skf21("4","7","1","2","5","5","5","1") = "6"
    & skf21("4","7","1","2","5","5","6","1") = "6"
    & skf21("4","7","1","2","5","5","7","1") = "6"
    & skf21("4","7","1","2","5","6","1","1") = "6"
    & skf21("4","7","1","2","5","6","2","1") = "6"
    & skf21("4","7","1","2","5","6","3","1") = "6"
    & skf21("4","7","1","2","5","6","4","1") = "6"
    & skf21("4","7","1","2","5","6","5","1") = "6"
    & skf21("4","7","1","2","5","6","6","1") = "6"
    & skf21("4","7","1","2","5","6","7","1") = "6"
    & skf21("4","7","1","2","5","7","1","1") = "6"
    & skf21("4","7","1","2","5","7","2","1") = "6"
    & skf21("4","7","1","2","5","7","3","1") = "6"
    & skf21("4","7","1","2","5","7","4","1") = "6"
    & skf21("4","7","1","2","5","7","5","1") = "6"
    & skf21("4","7","1","2","5","7","6","1") = "6"
    & skf21("4","7","1","2","5","7","7","1") = "6"
    & skf21("4","7","1","2","6","1","1","1") = "6"
    & skf21("4","7","1","2","6","1","2","1") = "6"
    & skf21("4","7","1","2","6","1","3","1") = "6"
    & skf21("4","7","1","2","6","1","4","1") = "6"
    & skf21("4","7","1","2","6","1","5","1") = "6"
    & skf21("4","7","1","2","6","1","6","1") = "6"
    & skf21("4","7","1","2","6","1","7","1") = "6"
    & skf21("4","7","1","2","6","2","1","1") = "6"
    & skf21("4","7","1","2","6","2","2","1") = "6"
    & skf21("4","7","1","2","6","2","3","1") = "6"
    & skf21("4","7","1","2","6","2","4","1") = "6"
    & skf21("4","7","1","2","6","2","5","1") = "6"
    & skf21("4","7","1","2","6","2","6","1") = "6"
    & skf21("4","7","1","2","6","2","7","1") = "6"
    & skf21("4","7","1","2","6","3","1","1") = "6"
    & skf21("4","7","1","2","6","3","2","1") = "6"
    & skf21("4","7","1","2","6","3","3","1") = "6"
    & skf21("4","7","1","2","6","3","4","1") = "6"
    & skf21("4","7","1","2","6","3","5","1") = "6"
    & skf21("4","7","1","2","6","3","6","1") = "6"
    & skf21("4","7","1","2","6","3","7","1") = "6"
    & skf21("4","7","1","2","6","4","1","1") = "6"
    & skf21("4","7","1","2","6","4","2","1") = "6"
    & skf21("4","7","1","2","6","4","3","1") = "6"
    & skf21("4","7","1","2","6","4","4","1") = "6"
    & skf21("4","7","1","2","6","4","5","1") = "6"
    & skf21("4","7","1","2","6","4","6","1") = "6"
    & skf21("4","7","1","2","6","4","7","1") = "6"
    & skf21("4","7","1","2","6","5","1","1") = "6"
    & skf21("4","7","1","2","6","5","2","1") = "6"
    & skf21("4","7","1","2","6","5","3","1") = "6"
    & skf21("4","7","1","2","6","5","4","1") = "6"
    & skf21("4","7","1","2","6","5","5","1") = "6"
    & skf21("4","7","1","2","6","5","6","1") = "6"
    & skf21("4","7","1","2","6","5","7","1") = "6"
    & skf21("4","7","1","2","6","6","1","1") = "6"
    & skf21("4","7","1","2","6","6","2","1") = "6"
    & skf21("4","7","1","2","6","6","3","1") = "6"
    & skf21("4","7","1","2","6","6","4","1") = "6"
    & skf21("4","7","1","2","6","6","5","1") = "6"
    & skf21("4","7","1","2","6","6","6","1") = "6"
    & skf21("4","7","1","2","6","6","7","1") = "6"
    & skf21("4","7","1","2","6","7","1","1") = "6"
    & skf21("4","7","1","2","6","7","2","1") = "6"
    & skf21("4","7","1","2","6","7","3","1") = "6"
    & skf21("4","7","1","2","6","7","4","1") = "6"
    & skf21("4","7","1","2","6","7","5","1") = "6"
    & skf21("4","7","1","2","6","7","6","1") = "6"
    & skf21("4","7","1","2","6","7","7","1") = "6"
    & skf21("4","7","1","2","7","1","1","1") = "6"
    & skf21("4","7","1","2","7","1","2","1") = "6"
    & skf21("4","7","1","2","7","1","3","1") = "6"
    & skf21("4","7","1","2","7","1","4","1") = "6"
    & skf21("4","7","1","2","7","1","5","1") = "6"
    & skf21("4","7","1","2","7","1","6","1") = "6"
    & skf21("4","7","1","2","7","1","7","1") = "6"
    & skf21("4","7","1","2","7","2","1","1") = "6"
    & skf21("4","7","1","2","7","2","2","1") = "6"
    & skf21("4","7","1","2","7","2","3","1") = "6"
    & skf21("4","7","1","2","7","2","4","1") = "6"
    & skf21("4","7","1","2","7","2","5","1") = "6"
    & skf21("4","7","1","2","7","2","6","1") = "6"
    & skf21("4","7","1","2","7","2","7","1") = "6"
    & skf21("4","7","1","2","7","3","1","1") = "6"
    & skf21("4","7","1","2","7","3","2","1") = "6"
    & skf21("4","7","1","2","7","3","3","1") = "6"
    & skf21("4","7","1","2","7","3","4","1") = "6"
    & skf21("4","7","1","2","7","3","5","1") = "6"
    & skf21("4","7","1","2","7","3","6","1") = "6"
    & skf21("4","7","1","2","7","3","7","1") = "6"
    & skf21("4","7","1","2","7","4","1","1") = "6"
    & skf21("4","7","1","2","7","4","2","1") = "6"
    & skf21("4","7","1","2","7","4","3","1") = "6"
    & skf21("4","7","1","2","7","4","4","1") = "6"
    & skf21("4","7","1","2","7","4","5","1") = "6"
    & skf21("4","7","1","2","7","4","6","1") = "6"
    & skf21("4","7","1","2","7","4","7","1") = "6"
    & skf21("4","7","1","2","7","5","1","1") = "6"
    & skf21("4","7","1","2","7","5","2","1") = "6"
    & skf21("4","7","1","2","7","5","3","1") = "6"
    & skf21("4","7","1","2","7","5","4","1") = "6"
    & skf21("4","7","1","2","7","5","5","1") = "6"
    & skf21("4","7","1","2","7","5","6","1") = "6"
    & skf21("4","7","1","2","7","5","7","1") = "6"
    & skf21("4","7","1","2","7","6","1","1") = "6"
    & skf21("4","7","1","2","7","6","2","1") = "6"
    & skf21("4","7","1","2","7","6","3","1") = "6"
    & skf21("4","7","1","2","7","6","4","1") = "6"
    & skf21("4","7","1","2","7","6","5","1") = "6"
    & skf21("4","7","1","2","7","6","6","1") = "6"
    & skf21("4","7","1","2","7","6","7","1") = "6"
    & skf21("4","7","1","2","7","7","1","1") = "6"
    & skf21("4","7","1","2","7","7","2","1") = "6"
    & skf21("4","7","1","2","7","7","3","1") = "6"
    & skf21("4","7","1","2","7","7","4","1") = "6"
    & skf21("4","7","1","2","7","7","5","1") = "6"
    & skf21("4","7","1","2","7","7","6","1") = "6"
    & skf21("4","7","1","2","7","7","7","1") = "6"
    & skf21("4","7","1","3","1","1","1","1") = "6"
    & skf21("4","7","1","3","1","1","2","1") = "6"
    & skf21("4","7","1","3","1","1","3","1") = "6"
    & skf21("4","7","1","3","1","1","4","1") = "6"
    & skf21("4","7","1","3","1","1","5","1") = "6"
    & skf21("4","7","1","3","1","1","6","1") = "6"
    & skf21("4","7","1","3","1","1","7","1") = "6"
    & skf21("4","7","1","3","1","2","1","1") = "6"
    & skf21("4","7","1","3","1","2","2","1") = "6"
    & skf21("4","7","1","3","1","2","3","1") = "6"
    & skf21("4","7","1","3","1","2","4","1") = "6"
    & skf21("4","7","1","3","1","2","5","1") = "6"
    & skf21("4","7","1","3","1","2","6","1") = "6"
    & skf21("4","7","1","3","1","2","7","1") = "6"
    & skf21("4","7","1","3","1","3","1","1") = "6"
    & skf21("4","7","1","3","1","3","2","1") = "6"
    & skf21("4","7","1","3","1","3","3","1") = "6"
    & skf21("4","7","1","3","1","3","4","1") = "6"
    & skf21("4","7","1","3","1","3","5","1") = "6"
    & skf21("4","7","1","3","1","3","6","1") = "6"
    & skf21("4","7","1","3","1","3","7","1") = "6"
    & skf21("4","7","1","3","1","4","1","1") = "6"
    & skf21("4","7","1","3","1","4","2","1") = "6"
    & skf21("4","7","1","3","1","4","3","1") = "6"
    & skf21("4","7","1","3","1","4","4","1") = "6"
    & skf21("4","7","1","3","1","4","5","1") = "6"
    & skf21("4","7","1","3","1","4","6","1") = "6"
    & skf21("4","7","1","3","1","4","7","1") = "6"
    & skf21("4","7","1","3","1","5","1","1") = "6"
    & skf21("4","7","1","3","1","5","2","1") = "6"
    & skf21("4","7","1","3","1","5","3","1") = "6"
    & skf21("4","7","1","3","1","5","4","1") = "6"
    & skf21("4","7","1","3","1","5","5","1") = "6"
    & skf21("4","7","1","3","1","5","6","1") = "6"
    & skf21("4","7","1","3","1","5","7","1") = "6"
    & skf21("4","7","1","3","1","6","1","1") = "6"
    & skf21("4","7","1","3","1","6","2","1") = "6"
    & skf21("4","7","1","3","1","6","3","1") = "6"
    & skf21("4","7","1","3","1","6","4","1") = "6"
    & skf21("4","7","1","3","1","6","5","1") = "6"
    & skf21("4","7","1","3","1","6","6","1") = "6"
    & skf21("4","7","1","3","1","6","7","1") = "6"
    & skf21("4","7","1","3","1","7","1","1") = "6"
    & skf21("4","7","1","3","1","7","2","1") = "6"
    & skf21("4","7","1","3","1","7","3","1") = "6"
    & skf21("4","7","1","3","1","7","4","1") = "6"
    & skf21("4","7","1","3","1","7","5","1") = "6"
    & skf21("4","7","1","3","1","7","6","1") = "6"
    & skf21("4","7","1","3","1","7","7","1") = "6"
    & skf21("4","7","1","3","2","1","1","1") = "6"
    & skf21("4","7","1","3","2","1","2","1") = "6"
    & skf21("4","7","1","3","2","1","3","1") = "6"
    & skf21("4","7","1","3","2","1","4","1") = "6"
    & skf21("4","7","1","3","2","1","5","1") = "6"
    & skf21("4","7","1","3","2","1","6","1") = "6"
    & skf21("4","7","1","3","2","1","7","1") = "6"
    & skf21("4","7","1","3","2","2","1","1") = "6"
    & skf21("4","7","1","3","2","2","2","1") = "6"
    & skf21("4","7","1","3","2","2","3","1") = "6"
    & skf21("4","7","1","3","2","2","4","1") = "6"
    & skf21("4","7","1","3","2","2","5","1") = "6"
    & skf21("4","7","1","3","2","2","6","1") = "6"
    & skf21("4","7","1","3","2","2","7","1") = "6"
    & skf21("4","7","1","3","2","3","1","1") = "6"
    & skf21("4","7","1","3","2","3","2","1") = "6"
    & skf21("4","7","1","3","2","3","3","1") = "6"
    & skf21("4","7","1","3","2","3","4","1") = "6"
    & skf21("4","7","1","3","2","3","5","1") = "6"
    & skf21("4","7","1","3","2","3","6","1") = "6"
    & skf21("4","7","1","3","2","3","7","1") = "6"
    & skf21("4","7","1","3","2","4","1","1") = "6"
    & skf21("4","7","1","3","2","4","2","1") = "6"
    & skf21("4","7","1","3","2","4","3","1") = "6"
    & skf21("4","7","1","3","2","4","4","1") = "6"
    & skf21("4","7","1","3","2","4","5","1") = "6"
    & skf21("4","7","1","3","2","4","6","1") = "6"
    & skf21("4","7","1","3","2","4","7","1") = "6"
    & skf21("4","7","1","3","2","5","1","1") = "6"
    & skf21("4","7","1","3","2","5","2","1") = "6"
    & skf21("4","7","1","3","2","5","3","1") = "6"
    & skf21("4","7","1","3","2","5","4","1") = "6"
    & skf21("4","7","1","3","2","5","5","1") = "6"
    & skf21("4","7","1","3","2","5","6","1") = "6"
    & skf21("4","7","1","3","2","5","7","1") = "6"
    & skf21("4","7","1","3","2","6","1","1") = "6"
    & skf21("4","7","1","3","2","6","2","1") = "6"
    & skf21("4","7","1","3","2","6","3","1") = "6"
    & skf21("4","7","1","3","2","6","4","1") = "6"
    & skf21("4","7","1","3","2","6","5","1") = "6"
    & skf21("4","7","1","3","2","6","6","1") = "6"
    & skf21("4","7","1","3","2","6","7","1") = "6"
    & skf21("4","7","1","3","2","7","1","1") = "6"
    & skf21("4","7","1","3","2","7","2","1") = "6"
    & skf21("4","7","1","3","2","7","3","1") = "6"
    & skf21("4","7","1","3","2","7","4","1") = "6"
    & skf21("4","7","1","3","2","7","5","1") = "6"
    & skf21("4","7","1","3","2","7","6","1") = "6"
    & skf21("4","7","1","3","2","7","7","1") = "6"
    & skf21("4","7","1","3","3","1","1","1") = "6"
    & skf21("4","7","1","3","3","1","2","1") = "6"
    & skf21("4","7","1","3","3","1","3","1") = "6"
    & skf21("4","7","1","3","3","1","4","1") = "6"
    & skf21("4","7","1","3","3","1","5","1") = "6"
    & skf21("4","7","1","3","3","1","6","1") = "6"
    & skf21("4","7","1","3","3","1","7","1") = "6"
    & skf21("4","7","1","3","3","2","1","1") = "6"
    & skf21("4","7","1","3","3","2","2","1") = "6"
    & skf21("4","7","1","3","3","2","3","1") = "6"
    & skf21("4","7","1","3","3","2","4","1") = "6"
    & skf21("4","7","1","3","3","2","5","1") = "6"
    & skf21("4","7","1","3","3","2","6","1") = "6"
    & skf21("4","7","1","3","3","2","7","1") = "6"
    & skf21("4","7","1","3","3","3","1","1") = "6"
    & skf21("4","7","1","3","3","3","2","1") = "6"
    & skf21("4","7","1","3","3","3","3","1") = "6"
    & skf21("4","7","1","3","3","3","4","1") = "6"
    & skf21("4","7","1","3","3","3","5","1") = "6"
    & skf21("4","7","1","3","3","3","6","1") = "6"
    & skf21("4","7","1","3","3","3","7","1") = "6"
    & skf21("4","7","1","3","3","4","1","1") = "6"
    & skf21("4","7","1","3","3","4","2","1") = "6"
    & skf21("4","7","1","3","3","4","3","1") = "6"
    & skf21("4","7","1","3","3","4","4","1") = "6"
    & skf21("4","7","1","3","3","4","5","1") = "6"
    & skf21("4","7","1","3","3","4","6","1") = "6"
    & skf21("4","7","1","3","3","4","7","1") = "6"
    & skf21("4","7","1","3","3","5","1","1") = "6"
    & skf21("4","7","1","3","3","5","2","1") = "6"
    & skf21("4","7","1","3","3","5","3","1") = "6"
    & skf21("4","7","1","3","3","5","4","1") = "6"
    & skf21("4","7","1","3","3","5","5","1") = "6"
    & skf21("4","7","1","3","3","5","6","1") = "6"
    & skf21("4","7","1","3","3","5","7","1") = "6"
    & skf21("4","7","1","3","3","6","1","1") = "6"
    & skf21("4","7","1","3","3","6","2","1") = "6"
    & skf21("4","7","1","3","3","6","3","1") = "6"
    & skf21("4","7","1","3","3","6","4","1") = "6"
    & skf21("4","7","1","3","3","6","5","1") = "6"
    & skf21("4","7","1","3","3","6","6","1") = "6"
    & skf21("4","7","1","3","3","6","7","1") = "6"
    & skf21("4","7","1","3","3","7","1","1") = "6"
    & skf21("4","7","1","3","3","7","2","1") = "6"
    & skf21("4","7","1","3","3","7","3","1") = "6"
    & skf21("4","7","1","3","3","7","4","1") = "6"
    & skf21("4","7","1","3","3","7","5","1") = "6"
    & skf21("4","7","1","3","3","7","6","1") = "6"
    & skf21("4","7","1","3","3","7","7","1") = "6"
    & skf21("4","7","1","3","4","1","1","1") = "6"
    & skf21("4","7","1","3","4","1","2","1") = "6"
    & skf21("4","7","1","3","4","1","3","1") = "6"
    & skf21("4","7","1","3","4","1","4","1") = "6"
    & skf21("4","7","1","3","4","1","5","1") = "6"
    & skf21("4","7","1","3","4","1","6","1") = "6"
    & skf21("4","7","1","3","4","1","7","1") = "6"
    & skf21("4","7","1","3","4","2","1","1") = "6"
    & skf21("4","7","1","3","4","2","2","1") = "6"
    & skf21("4","7","1","3","4","2","3","1") = "6"
    & skf21("4","7","1","3","4","2","4","1") = "6"
    & skf21("4","7","1","3","4","2","5","1") = "6"
    & skf21("4","7","1","3","4","2","6","1") = "6"
    & skf21("4","7","1","3","4","2","7","1") = "6"
    & skf21("4","7","1","3","4","3","1","1") = "6"
    & skf21("4","7","1","3","4","3","2","1") = "6"
    & skf21("4","7","1","3","4","3","3","1") = "6"
    & skf21("4","7","1","3","4","3","4","1") = "6"
    & skf21("4","7","1","3","4","3","5","1") = "6"
    & skf21("4","7","1","3","4","3","6","1") = "6"
    & skf21("4","7","1","3","4","3","7","1") = "6"
    & skf21("4","7","1","3","4","4","1","1") = "6"
    & skf21("4","7","1","3","4","4","2","1") = "6"
    & skf21("4","7","1","3","4","4","3","1") = "6"
    & skf21("4","7","1","3","4","4","4","1") = "6"
    & skf21("4","7","1","3","4","4","5","1") = "6"
    & skf21("4","7","1","3","4","4","6","1") = "6"
    & skf21("4","7","1","3","4","4","7","1") = "6"
    & skf21("4","7","1","3","4","5","1","1") = "6"
    & skf21("4","7","1","3","4","5","2","1") = "6"
    & skf21("4","7","1","3","4","5","3","1") = "6"
    & skf21("4","7","1","3","4","5","4","1") = "6"
    & skf21("4","7","1","3","4","5","5","1") = "6"
    & skf21("4","7","1","3","4","5","6","1") = "6"
    & skf21("4","7","1","3","4","5","7","1") = "6"
    & skf21("4","7","1","3","4","6","1","1") = "6"
    & skf21("4","7","1","3","4","6","2","1") = "6"
    & skf21("4","7","1","3","4","6","3","1") = "6"
    & skf21("4","7","1","3","4","6","4","1") = "6"
    & skf21("4","7","1","3","4","6","5","1") = "6"
    & skf21("4","7","1","3","4","6","6","1") = "6"
    & skf21("4","7","1","3","4","6","7","1") = "6"
    & skf21("4","7","1","3","4","7","1","1") = "6"
    & skf21("4","7","1","3","4","7","2","1") = "6"
    & skf21("4","7","1","3","4","7","3","1") = "6"
    & skf21("4","7","1","3","4","7","4","1") = "6"
    & skf21("4","7","1","3","4","7","5","1") = "6"
    & skf21("4","7","1","3","4","7","6","1") = "6"
    & skf21("4","7","1","3","4","7","7","1") = "6"
    & skf21("4","7","1","3","5","1","1","1") = "6"
    & skf21("4","7","1","3","5","1","2","1") = "6"
    & skf21("4","7","1","3","5","1","3","1") = "6"
    & skf21("4","7","1","3","5","1","4","1") = "6"
    & skf21("4","7","1","3","5","1","5","1") = "6"
    & skf21("4","7","1","3","5","1","6","1") = "6"
    & skf21("4","7","1","3","5","1","7","1") = "6"
    & skf21("4","7","1","3","5","2","1","1") = "6"
    & skf21("4","7","1","3","5","2","2","1") = "6"
    & skf21("4","7","1","3","5","2","3","1") = "6"
    & skf21("4","7","1","3","5","2","4","1") = "6"
    & skf21("4","7","1","3","5","2","5","1") = "6"
    & skf21("4","7","1","3","5","2","6","1") = "6"
    & skf21("4","7","1","3","5","2","7","1") = "6"
    & skf21("4","7","1","3","5","3","1","1") = "6"
    & skf21("4","7","1","3","5","3","2","1") = "6"
    & skf21("4","7","1","3","5","3","3","1") = "6"
    & skf21("4","7","1","3","5","3","4","1") = "6"
    & skf21("4","7","1","3","5","3","5","1") = "6"
    & skf21("4","7","1","3","5","3","6","1") = "6"
    & skf21("4","7","1","3","5","3","7","1") = "6"
    & skf21("4","7","1","3","5","4","1","1") = "6"
    & skf21("4","7","1","3","5","4","2","1") = "6"
    & skf21("4","7","1","3","5","4","3","1") = "6"
    & skf21("4","7","1","3","5","4","4","1") = "6"
    & skf21("4","7","1","3","5","4","5","1") = "6"
    & skf21("4","7","1","3","5","4","6","1") = "6"
    & skf21("4","7","1","3","5","4","7","1") = "6"
    & skf21("4","7","1","3","5","5","1","1") = "6"
    & skf21("4","7","1","3","5","5","2","1") = "6"
    & skf21("4","7","1","3","5","5","3","1") = "6"
    & skf21("4","7","1","3","5","5","4","1") = "6"
    & skf21("4","7","1","3","5","5","5","1") = "6"
    & skf21("4","7","1","3","5","5","6","1") = "6"
    & skf21("4","7","1","3","5","5","7","1") = "6"
    & skf21("4","7","1","3","5","6","1","1") = "6"
    & skf21("4","7","1","3","5","6","2","1") = "6"
    & skf21("4","7","1","3","5","6","3","1") = "6"
    & skf21("4","7","1","3","5","6","4","1") = "6"
    & skf21("4","7","1","3","5","6","5","1") = "6"
    & skf21("4","7","1","3","5","6","6","1") = "6"
    & skf21("4","7","1","3","5","6","7","1") = "6"
    & skf21("4","7","1","3","5","7","1","1") = "6"
    & skf21("4","7","1","3","5","7","2","1") = "6"
    & skf21("4","7","1","3","5","7","3","1") = "6"
    & skf21("4","7","1","3","5","7","4","1") = "6"
    & skf21("4","7","1","3","5","7","5","1") = "6"
    & skf21("4","7","1","3","5","7","6","1") = "6"
    & skf21("4","7","1","3","5","7","7","1") = "6"
    & skf21("4","7","1","3","6","1","1","1") = "6"
    & skf21("4","7","1","3","6","1","2","1") = "6"
    & skf21("4","7","1","3","6","1","3","1") = "6"
    & skf21("4","7","1","3","6","1","4","1") = "6"
    & skf21("4","7","1","3","6","1","5","1") = "6"
    & skf21("4","7","1","3","6","1","6","1") = "6"
    & skf21("4","7","1","3","6","1","7","1") = "6"
    & skf21("4","7","1","3","6","2","1","1") = "6"
    & skf21("4","7","1","3","6","2","2","1") = "6"
    & skf21("4","7","1","3","6","2","3","1") = "6"
    & skf21("4","7","1","3","6","2","4","1") = "6"
    & skf21("4","7","1","3","6","2","5","1") = "6"
    & skf21("4","7","1","3","6","2","6","1") = "6"
    & skf21("4","7","1","3","6","2","7","1") = "6"
    & skf21("4","7","1","3","6","3","1","1") = "6"
    & skf21("4","7","1","3","6","3","2","1") = "6"
    & skf21("4","7","1","3","6","3","3","1") = "6"
    & skf21("4","7","1","3","6","3","4","1") = "6"
    & skf21("4","7","1","3","6","3","5","1") = "6"
    & skf21("4","7","1","3","6","3","6","1") = "6"
    & skf21("4","7","1","3","6","3","7","1") = "6"
    & skf21("4","7","1","3","6","4","1","1") = "6"
    & skf21("4","7","1","3","6","4","2","1") = "6"
    & skf21("4","7","1","3","6","4","3","1") = "6"
    & skf21("4","7","1","3","6","4","4","1") = "6"
    & skf21("4","7","1","3","6","4","5","1") = "6"
    & skf21("4","7","1","3","6","4","6","1") = "6"
    & skf21("4","7","1","3","6","4","7","1") = "6"
    & skf21("4","7","1","3","6","5","1","1") = "6"
    & skf21("4","7","1","3","6","5","2","1") = "6"
    & skf21("4","7","1","3","6","5","3","1") = "6"
    & skf21("4","7","1","3","6","5","4","1") = "6"
    & skf21("4","7","1","3","6","5","5","1") = "6"
    & skf21("4","7","1","3","6","5","6","1") = "6"
    & skf21("4","7","1","3","6","5","7","1") = "6"
    & skf21("4","7","1","3","6","6","1","1") = "6"
    & skf21("4","7","1","3","6","6","2","1") = "6"
    & skf21("4","7","1","3","6","6","3","1") = "6"
    & skf21("4","7","1","3","6","6","4","1") = "6"
    & skf21("4","7","1","3","6","6","5","1") = "6"
    & skf21("4","7","1","3","6","6","6","1") = "6"
    & skf21("4","7","1","3","6","6","7","1") = "6"
    & skf21("4","7","1","3","6","7","1","1") = "6"
    & skf21("4","7","1","3","6","7","2","1") = "6"
    & skf21("4","7","1","3","6","7","3","1") = "6"
    & skf21("4","7","1","3","6","7","4","1") = "6"
    & skf21("4","7","1","3","6","7","5","1") = "6"
    & skf21("4","7","1","3","6","7","6","1") = "6"
    & skf21("4","7","1","3","6","7","7","1") = "6"
    & skf21("4","7","1","3","7","1","1","1") = "6"
    & skf21("4","7","1","3","7","1","2","1") = "6"
    & skf21("4","7","1","3","7","1","3","1") = "6"
    & skf21("4","7","1","3","7","1","4","1") = "6"
    & skf21("4","7","1","3","7","1","5","1") = "6"
    & skf21("4","7","1","3","7","1","6","1") = "6"
    & skf21("4","7","1","3","7","1","7","1") = "6"
    & skf21("4","7","1","3","7","2","1","1") = "6"
    & skf21("4","7","1","3","7","2","2","1") = "6"
    & skf21("4","7","1","3","7","2","3","1") = "6"
    & skf21("4","7","1","3","7","2","4","1") = "6"
    & skf21("4","7","1","3","7","2","5","1") = "6"
    & skf21("4","7","1","3","7","2","6","1") = "6"
    & skf21("4","7","1","3","7","2","7","1") = "6"
    & skf21("4","7","1","3","7","3","1","1") = "6"
    & skf21("4","7","1","3","7","3","2","1") = "6"
    & skf21("4","7","1","3","7","3","3","1") = "6"
    & skf21("4","7","1","3","7","3","4","1") = "6"
    & skf21("4","7","1","3","7","3","5","1") = "6"
    & skf21("4","7","1","3","7","3","6","1") = "6"
    & skf21("4","7","1","3","7","3","7","1") = "6"
    & skf21("4","7","1","3","7","4","1","1") = "6"
    & skf21("4","7","1","3","7","4","2","1") = "6"
    & skf21("4","7","1","3","7","4","3","1") = "6"
    & skf21("4","7","1","3","7","4","4","1") = "6"
    & skf21("4","7","1","3","7","4","5","1") = "6"
    & skf21("4","7","1","3","7","4","6","1") = "6"
    & skf21("4","7","1","3","7","4","7","1") = "6"
    & skf21("4","7","1","3","7","5","1","1") = "6"
    & skf21("4","7","1","3","7","5","2","1") = "6"
    & skf21("4","7","1","3","7","5","3","1") = "6"
    & skf21("4","7","1","3","7","5","4","1") = "6"
    & skf21("4","7","1","3","7","5","5","1") = "6"
    & skf21("4","7","1","3","7","5","6","1") = "6"
    & skf21("4","7","1","3","7","5","7","1") = "6"
    & skf21("4","7","1","3","7","6","1","1") = "6"
    & skf21("4","7","1","3","7","6","2","1") = "6"
    & skf21("4","7","1","3","7","6","3","1") = "6"
    & skf21("4","7","1","3","7","6","4","1") = "6"
    & skf21("4","7","1","3","7","6","5","1") = "6"
    & skf21("4","7","1","3","7","6","6","1") = "6"
    & skf21("4","7","1","3","7","6","7","1") = "6"
    & skf21("4","7","1","3","7","7","1","1") = "6"
    & skf21("4","7","1","3","7","7","2","1") = "6"
    & skf21("4","7","1","3","7","7","3","1") = "6"
    & skf21("4","7","1","3","7","7","4","1") = "6"
    & skf21("4","7","1","3","7","7","5","1") = "6"
    & skf21("4","7","1","3","7","7","6","1") = "6"
    & skf21("4","7","1","3","7","7","7","1") = "6"
    & skf21("4","7","1","4","1","1","1","1") = "6"
    & skf21("4","7","1","4","1","1","2","1") = "6"
    & skf21("4","7","1","4","1","1","3","1") = "6"
    & skf21("4","7","1","4","1","1","4","1") = "6"
    & skf21("4","7","1","4","1","1","5","1") = "6"
    & skf21("4","7","1","4","1","1","6","1") = "6"
    & skf21("4","7","1","4","1","1","7","1") = "6"
    & skf21("4","7","1","4","1","2","1","1") = "6"
    & skf21("4","7","1","4","1","2","2","1") = "6"
    & skf21("4","7","1","4","1","2","3","1") = "6"
    & skf21("4","7","1","4","1","2","4","1") = "6"
    & skf21("4","7","1","4","1","2","5","1") = "6"
    & skf21("4","7","1","4","1","2","6","1") = "6"
    & skf21("4","7","1","4","1","2","7","1") = "6"
    & skf21("4","7","1","4","1","3","1","1") = "6"
    & skf21("4","7","1","4","1","3","2","1") = "6"
    & skf21("4","7","1","4","1","3","3","1") = "6"
    & skf21("4","7","1","4","1","3","4","1") = "6"
    & skf21("4","7","1","4","1","3","5","1") = "6"
    & skf21("4","7","1","4","1","3","6","1") = "6"
    & skf21("4","7","1","4","1","3","7","1") = "6"
    & skf21("4","7","1","4","1","4","1","1") = "6"
    & skf21("4","7","1","4","1","4","2","1") = "6"
    & skf21("4","7","1","4","1","4","3","1") = "6"
    & skf21("4","7","1","4","1","4","4","1") = "6"
    & skf21("4","7","1","4","1","4","5","1") = "6"
    & skf21("4","7","1","4","1","4","6","1") = "6"
    & skf21("4","7","1","4","1","4","7","1") = "6"
    & skf21("4","7","1","4","1","5","1","1") = "6"
    & skf21("4","7","1","4","1","5","2","1") = "6"
    & skf21("4","7","1","4","1","5","3","1") = "6"
    & skf21("4","7","1","4","1","5","4","1") = "6"
    & skf21("4","7","1","4","1","5","5","1") = "6"
    & skf21("4","7","1","4","1","5","6","1") = "6"
    & skf21("4","7","1","4","1","5","7","1") = "6"
    & skf21("4","7","1","4","1","6","1","1") = "6"
    & skf21("4","7","1","4","1","6","2","1") = "6"
    & skf21("4","7","1","4","1","6","3","1") = "6"
    & skf21("4","7","1","4","1","6","4","1") = "6"
    & skf21("4","7","1","4","1","6","5","1") = "6"
    & skf21("4","7","1","4","1","6","6","1") = "6"
    & skf21("4","7","1","4","1","6","7","1") = "6"
    & skf21("4","7","1","4","1","7","1","1") = "6"
    & skf21("4","7","1","4","1","7","2","1") = "6"
    & skf21("4","7","1","4","1","7","3","1") = "6"
    & skf21("4","7","1","4","1","7","4","1") = "6"
    & skf21("4","7","1","4","1","7","5","1") = "6"
    & skf21("4","7","1","4","1","7","6","1") = "6"
    & skf21("4","7","1","4","1","7","7","1") = "6"
    & skf21("4","7","1","4","2","1","1","1") = "6"
    & skf21("4","7","1","4","2","1","2","1") = "6"
    & skf21("4","7","1","4","2","1","3","1") = "6"
    & skf21("4","7","1","4","2","1","4","1") = "6"
    & skf21("4","7","1","4","2","1","5","1") = "6"
    & skf21("4","7","1","4","2","1","6","1") = "6"
    & skf21("4","7","1","4","2","1","7","1") = "6"
    & skf21("4","7","1","4","2","2","1","1") = "6"
    & skf21("4","7","1","4","2","2","2","1") = "6"
    & skf21("4","7","1","4","2","2","3","1") = "6"
    & skf21("4","7","1","4","2","2","4","1") = "6"
    & skf21("4","7","1","4","2","2","5","1") = "6"
    & skf21("4","7","1","4","2","2","6","1") = "6"
    & skf21("4","7","1","4","2","2","7","1") = "6"
    & skf21("4","7","1","4","2","3","1","1") = "6"
    & skf21("4","7","1","4","2","3","2","1") = "6"
    & skf21("4","7","1","4","2","3","3","1") = "6"
    & skf21("4","7","1","4","2","3","4","1") = "6"
    & skf21("4","7","1","4","2","3","5","1") = "6"
    & skf21("4","7","1","4","2","3","6","1") = "6"
    & skf21("4","7","1","4","2","3","7","1") = "6"
    & skf21("4","7","1","4","2","4","1","1") = "6"
    & skf21("4","7","1","4","2","4","2","1") = "6"
    & skf21("4","7","1","4","2","4","3","1") = "6"
    & skf21("4","7","1","4","2","4","4","1") = "6"
    & skf21("4","7","1","4","2","4","5","1") = "6"
    & skf21("4","7","1","4","2","4","6","1") = "6"
    & skf21("4","7","1","4","2","4","7","1") = "6"
    & skf21("4","7","1","4","2","5","1","1") = "6"
    & skf21("4","7","1","4","2","5","2","1") = "6"
    & skf21("4","7","1","4","2","5","3","1") = "6"
    & skf21("4","7","1","4","2","5","4","1") = "6"
    & skf21("4","7","1","4","2","5","5","1") = "6"
    & skf21("4","7","1","4","2","5","6","1") = "6"
    & skf21("4","7","1","4","2","5","7","1") = "6"
    & skf21("4","7","1","4","2","6","1","1") = "6"
    & skf21("4","7","1","4","2","6","2","1") = "6"
    & skf21("4","7","1","4","2","6","3","1") = "6"
    & skf21("4","7","1","4","2","6","4","1") = "6"
    & skf21("4","7","1","4","2","6","5","1") = "6"
    & skf21("4","7","1","4","2","6","6","1") = "6"
    & skf21("4","7","1","4","2","6","7","1") = "6"
    & skf21("4","7","1","4","2","7","1","1") = "6"
    & skf21("4","7","1","4","2","7","2","1") = "6"
    & skf21("4","7","1","4","2","7","3","1") = "6"
    & skf21("4","7","1","4","2","7","4","1") = "6"
    & skf21("4","7","1","4","2","7","5","1") = "6"
    & skf21("4","7","1","4","2","7","6","1") = "6"
    & skf21("4","7","1","4","2","7","7","1") = "6"
    & skf21("4","7","1","4","3","1","1","1") = "6"
    & skf21("4","7","1","4","3","1","2","1") = "6"
    & skf21("4","7","1","4","3","1","3","1") = "6"
    & skf21("4","7","1","4","3","1","4","1") = "6"
    & skf21("4","7","1","4","3","1","5","1") = "6"
    & skf21("4","7","1","4","3","1","6","1") = "6"
    & skf21("4","7","1","4","3","1","7","1") = "6"
    & skf21("4","7","1","4","3","2","1","1") = "6"
    & skf21("4","7","1","4","3","2","2","1") = "6"
    & skf21("4","7","1","4","3","2","3","1") = "6"
    & skf21("4","7","1","4","3","2","4","1") = "6"
    & skf21("4","7","1","4","3","2","5","1") = "6"
    & skf21("4","7","1","4","3","2","6","1") = "6"
    & skf21("4","7","1","4","3","2","7","1") = "6"
    & skf21("4","7","1","4","3","3","1","1") = "6"
    & skf21("4","7","1","4","3","3","2","1") = "6"
    & skf21("4","7","1","4","3","3","3","1") = "6"
    & skf21("4","7","1","4","3","3","4","1") = "6"
    & skf21("4","7","1","4","3","3","5","1") = "6"
    & skf21("4","7","1","4","3","3","6","1") = "6"
    & skf21("4","7","1","4","3","3","7","1") = "6"
    & skf21("4","7","1","4","3","4","1","1") = "6"
    & skf21("4","7","1","4","3","4","2","1") = "6"
    & skf21("4","7","1","4","3","4","3","1") = "6"
    & skf21("4","7","1","4","3","4","4","1") = "6"
    & skf21("4","7","1","4","3","4","5","1") = "6"
    & skf21("4","7","1","4","3","4","6","1") = "6"
    & skf21("4","7","1","4","3","4","7","1") = "6"
    & skf21("4","7","1","4","3","5","1","1") = "6"
    & skf21("4","7","1","4","3","5","2","1") = "6"
    & skf21("4","7","1","4","3","5","3","1") = "6"
    & skf21("4","7","1","4","3","5","4","1") = "6"
    & skf21("4","7","1","4","3","5","5","1") = "6"
    & skf21("4","7","1","4","3","5","6","1") = "6"
    & skf21("4","7","1","4","3","5","7","1") = "6"
    & skf21("4","7","1","4","3","6","1","1") = "6"
    & skf21("4","7","1","4","3","6","2","1") = "6"
    & skf21("4","7","1","4","3","6","3","1") = "6"
    & skf21("4","7","1","4","3","6","4","1") = "6"
    & skf21("4","7","1","4","3","6","5","1") = "6"
    & skf21("4","7","1","4","3","6","6","1") = "6"
    & skf21("4","7","1","4","3","6","7","1") = "6"
    & skf21("4","7","1","4","3","7","1","1") = "6"
    & skf21("4","7","1","4","3","7","2","1") = "6"
    & skf21("4","7","1","4","3","7","3","1") = "6"
    & skf21("4","7","1","4","3","7","4","1") = "6"
    & skf21("4","7","1","4","3","7","5","1") = "6"
    & skf21("4","7","1","4","3","7","6","1") = "6"
    & skf21("4","7","1","4","3","7","7","1") = "6"
    & skf21("4","7","1","4","4","1","1","1") = "6"
    & skf21("4","7","1","4","4","1","2","1") = "6"
    & skf21("4","7","1","4","4","1","3","1") = "6"
    & skf21("4","7","1","4","4","1","4","1") = "6"
    & skf21("4","7","1","4","4","1","5","1") = "6"
    & skf21("4","7","1","4","4","1","6","1") = "6"
    & skf21("4","7","1","4","4","1","7","1") = "6"
    & skf21("4","7","1","4","4","2","1","1") = "6"
    & skf21("4","7","1","4","4","2","2","1") = "6"
    & skf21("4","7","1","4","4","2","3","1") = "6"
    & skf21("4","7","1","4","4","2","4","1") = "6"
    & skf21("4","7","1","4","4","2","5","1") = "6"
    & skf21("4","7","1","4","4","2","6","1") = "6"
    & skf21("4","7","1","4","4","2","7","1") = "6"
    & skf21("4","7","1","4","4","3","1","1") = "6"
    & skf21("4","7","1","4","4","3","2","1") = "6"
    & skf21("4","7","1","4","4","3","3","1") = "6"
    & skf21("4","7","1","4","4","3","4","1") = "6"
    & skf21("4","7","1","4","4","3","5","1") = "6"
    & skf21("4","7","1","4","4","3","6","1") = "6"
    & skf21("4","7","1","4","4","3","7","1") = "6"
    & skf21("4","7","1","4","4","4","1","1") = "6"
    & skf21("4","7","1","4","4","4","2","1") = "6"
    & skf21("4","7","1","4","4","4","3","1") = "6"
    & skf21("4","7","1","4","4","4","4","1") = "6"
    & skf21("4","7","1","4","4","4","5","1") = "6"
    & skf21("4","7","1","4","4","4","6","1") = "6"
    & skf21("4","7","1","4","4","4","7","1") = "6"
    & skf21("4","7","1","4","4","5","1","1") = "6"
    & skf21("4","7","1","4","4","5","2","1") = "6"
    & skf21("4","7","1","4","4","5","3","1") = "6"
    & skf21("4","7","1","4","4","5","4","1") = "6"
    & skf21("4","7","1","4","4","5","5","1") = "6"
    & skf21("4","7","1","4","4","5","6","1") = "6"
    & skf21("4","7","1","4","4","5","7","1") = "6"
    & skf21("4","7","1","4","4","6","1","1") = "6"
    & skf21("4","7","1","4","4","6","2","1") = "6"
    & skf21("4","7","1","4","4","6","3","1") = "6"
    & skf21("4","7","1","4","4","6","4","1") = "6"
    & skf21("4","7","1","4","4","6","5","1") = "6"
    & skf21("4","7","1","4","4","6","6","1") = "6"
    & skf21("4","7","1","4","4","6","7","1") = "6"
    & skf21("4","7","1","4","4","7","1","1") = "6"
    & skf21("4","7","1","4","4","7","2","1") = "6"
    & skf21("4","7","1","4","4","7","3","1") = "6"
    & skf21("4","7","1","4","4","7","4","1") = "6"
    & skf21("4","7","1","4","4","7","5","1") = "6"
    & skf21("4","7","1","4","4","7","6","1") = "6"
    & skf21("4","7","1","4","4","7","7","1") = "6"
    & skf21("4","7","1","4","5","1","1","1") = "6"
    & skf21("4","7","1","4","5","1","2","1") = "6"
    & skf21("4","7","1","4","5","1","3","1") = "6"
    & skf21("4","7","1","4","5","1","4","1") = "6"
    & skf21("4","7","1","4","5","1","5","1") = "6"
    & skf21("4","7","1","4","5","1","6","1") = "6"
    & skf21("4","7","1","4","5","1","7","1") = "6"
    & skf21("4","7","1","4","5","2","1","1") = "6"
    & skf21("4","7","1","4","5","2","2","1") = "6"
    & skf21("4","7","1","4","5","2","3","1") = "6"
    & skf21("4","7","1","4","5","2","4","1") = "6"
    & skf21("4","7","1","4","5","2","5","1") = "6"
    & skf21("4","7","1","4","5","2","6","1") = "6"
    & skf21("4","7","1","4","5","2","7","1") = "6"
    & skf21("4","7","1","4","5","3","1","1") = "6"
    & skf21("4","7","1","4","5","3","2","1") = "6"
    & skf21("4","7","1","4","5","3","3","1") = "6"
    & skf21("4","7","1","4","5","3","4","1") = "6"
    & skf21("4","7","1","4","5","3","5","1") = "6"
    & skf21("4","7","1","4","5","3","6","1") = "6"
    & skf21("4","7","1","4","5","3","7","1") = "6"
    & skf21("4","7","1","4","5","4","1","1") = "6"
    & skf21("4","7","1","4","5","4","2","1") = "6"
    & skf21("4","7","1","4","5","4","3","1") = "6"
    & skf21("4","7","1","4","5","4","4","1") = "6"
    & skf21("4","7","1","4","5","4","5","1") = "6"
    & skf21("4","7","1","4","5","4","6","1") = "6"
    & skf21("4","7","1","4","5","4","7","1") = "6"
    & skf21("4","7","1","4","5","5","1","1") = "6"
    & skf21("4","7","1","4","5","5","2","1") = "6"
    & skf21("4","7","1","4","5","5","3","1") = "6"
    & skf21("4","7","1","4","5","5","4","1") = "6"
    & skf21("4","7","1","4","5","5","5","1") = "6"
    & skf21("4","7","1","4","5","5","6","1") = "6"
    & skf21("4","7","1","4","5","5","7","1") = "6"
    & skf21("4","7","1","4","5","6","1","1") = "6"
    & skf21("4","7","1","4","5","6","2","1") = "6"
    & skf21("4","7","1","4","5","6","3","1") = "6"
    & skf21("4","7","1","4","5","6","4","1") = "6"
    & skf21("4","7","1","4","5","6","5","1") = "6"
    & skf21("4","7","1","4","5","6","6","1") = "6"
    & skf21("4","7","1","4","5","6","7","1") = "6"
    & skf21("4","7","1","4","5","7","1","1") = "6"
    & skf21("4","7","1","4","5","7","2","1") = "6"
    & skf21("4","7","1","4","5","7","3","1") = "6"
    & skf21("4","7","1","4","5","7","4","1") = "6"
    & skf21("4","7","1","4","5","7","5","1") = "6"
    & skf21("4","7","1","4","5","7","6","1") = "6"
    & skf21("4","7","1","4","5","7","7","1") = "6"
    & skf21("4","7","1","4","6","1","1","1") = "6"
    & skf21("4","7","1","4","6","1","2","1") = "6"
    & skf21("4","7","1","4","6","1","3","1") = "6"
    & skf21("4","7","1","4","6","1","4","1") = "6"
    & skf21("4","7","1","4","6","1","5","1") = "6"
    & skf21("4","7","1","4","6","1","6","1") = "6"
    & skf21("4","7","1","4","6","1","7","1") = "6"
    & skf21("4","7","1","4","6","2","1","1") = "6"
    & skf21("4","7","1","4","6","2","2","1") = "6"
    & skf21("4","7","1","4","6","2","3","1") = "6"
    & skf21("4","7","1","4","6","2","4","1") = "6"
    & skf21("4","7","1","4","6","2","5","1") = "6"
    & skf21("4","7","1","4","6","2","6","1") = "6"
    & skf21("4","7","1","4","6","2","7","1") = "6"
    & skf21("4","7","1","4","6","3","1","1") = "6"
    & skf21("4","7","1","4","6","3","2","1") = "6"
    & skf21("4","7","1","4","6","3","3","1") = "6"
    & skf21("4","7","1","4","6","3","4","1") = "6"
    & skf21("4","7","1","4","6","3","5","1") = "6"
    & skf21("4","7","1","4","6","3","6","1") = "6"
    & skf21("4","7","1","4","6","3","7","1") = "6"
    & skf21("4","7","1","4","6","4","1","1") = "6"
    & skf21("4","7","1","4","6","4","2","1") = "6"
    & skf21("4","7","1","4","6","4","3","1") = "6"
    & skf21("4","7","1","4","6","4","4","1") = "6"
    & skf21("4","7","1","4","6","4","5","1") = "6"
    & skf21("4","7","1","4","6","4","6","1") = "6"
    & skf21("4","7","1","4","6","4","7","1") = "6"
    & skf21("4","7","1","4","6","5","1","1") = "6"
    & skf21("4","7","1","4","6","5","2","1") = "6"
    & skf21("4","7","1","4","6","5","3","1") = "6"
    & skf21("4","7","1","4","6","5","4","1") = "6"
    & skf21("4","7","1","4","6","5","5","1") = "6"
    & skf21("4","7","1","4","6","5","6","1") = "6"
    & skf21("4","7","1","4","6","5","7","1") = "6"
    & skf21("4","7","1","4","6","6","1","1") = "6"
    & skf21("4","7","1","4","6","6","2","1") = "6"
    & skf21("4","7","1","4","6","6","3","1") = "6"
    & skf21("4","7","1","4","6","6","4","1") = "6"
    & skf21("4","7","1","4","6","6","5","1") = "6"
    & skf21("4","7","1","4","6","6","6","1") = "6"
    & skf21("4","7","1","4","6","6","7","1") = "6"
    & skf21("4","7","1","4","6","7","1","1") = "6"
    & skf21("4","7","1","4","6","7","2","1") = "6"
    & skf21("4","7","1","4","6","7","3","1") = "6"
    & skf21("4","7","1","4","6","7","4","1") = "6"
    & skf21("4","7","1","4","6","7","5","1") = "6"
    & skf21("4","7","1","4","6","7","6","1") = "6"
    & skf21("4","7","1","4","6","7","7","1") = "6"
    & skf21("4","7","1","4","7","1","1","1") = "6"
    & skf21("4","7","1","4","7","1","2","1") = "6"
    & skf21("4","7","1","4","7","1","3","1") = "6"
    & skf21("4","7","1","4","7","1","4","1") = "6"
    & skf21("4","7","1","4","7","1","5","1") = "6"
    & skf21("4","7","1","4","7","1","6","1") = "6"
    & skf21("4","7","1","4","7","1","7","1") = "6"
    & skf21("4","7","1","4","7","2","1","1") = "6"
    & skf21("4","7","1","4","7","2","2","1") = "6"
    & skf21("4","7","1","4","7","2","3","1") = "6"
    & skf21("4","7","1","4","7","2","4","1") = "6"
    & skf21("4","7","1","4","7","2","5","1") = "6"
    & skf21("4","7","1","4","7","2","6","1") = "6"
    & skf21("4","7","1","4","7","2","7","1") = "6"
    & skf21("4","7","1","4","7","3","1","1") = "6"
    & skf21("4","7","1","4","7","3","2","1") = "6"
    & skf21("4","7","1","4","7","3","3","1") = "6"
    & skf21("4","7","1","4","7","3","4","1") = "6"
    & skf21("4","7","1","4","7","3","5","1") = "6"
    & skf21("4","7","1","4","7","3","6","1") = "6"
    & skf21("4","7","1","4","7","3","7","1") = "6"
    & skf21("4","7","1","4","7","4","1","1") = "6"
    & skf21("4","7","1","4","7","4","2","1") = "6"
    & skf21("4","7","1","4","7","4","3","1") = "6"
    & skf21("4","7","1","4","7","4","4","1") = "6"
    & skf21("4","7","1","4","7","4","5","1") = "6"
    & skf21("4","7","1","4","7","4","6","1") = "6"
    & skf21("4","7","1","4","7","4","7","1") = "6"
    & skf21("4","7","1","4","7","5","1","1") = "6"
    & skf21("4","7","1","4","7","5","2","1") = "6"
    & skf21("4","7","1","4","7","5","3","1") = "6"
    & skf21("4","7","1","4","7","5","4","1") = "6"
    & skf21("4","7","1","4","7","5","5","1") = "6"
    & skf21("4","7","1","4","7","5","6","1") = "6"
    & skf21("4","7","1","4","7","5","7","1") = "6"
    & skf21("4","7","1","4","7","6","1","1") = "6"
    & skf21("4","7","1","4","7","6","2","1") = "6"
    & skf21("4","7","1","4","7","6","3","1") = "6"
    & skf21("4","7","1","4","7","6","4","1") = "6"
    & skf21("4","7","1","4","7","6","5","1") = "6"
    & skf21("4","7","1","4","7","6","6","1") = "6"
    & skf21("4","7","1","4","7","6","7","1") = "6"
    & skf21("4","7","1","4","7","7","1","1") = "6"
    & skf21("4","7","1","4","7","7","2","1") = "6"
    & skf21("4","7","1","4","7","7","3","1") = "6"
    & skf21("4","7","1","4","7","7","4","1") = "6"
    & skf21("4","7","1","4","7","7","5","1") = "6"
    & skf21("4","7","1","4","7","7","6","1") = "6"
    & skf21("4","7","1","4","7","7","7","1") = "6"
    & skf21("4","7","1","5","1","1","1","1") = "6"
    & skf21("4","7","1","5","1","1","2","1") = "6"
    & skf21("4","7","1","5","1","1","3","1") = "6"
    & skf21("4","7","1","5","1","1","4","1") = "6"
    & skf21("4","7","1","5","1","1","5","1") = "6"
    & skf21("4","7","1","5","1","1","6","1") = "6"
    & skf21("4","7","1","5","1","1","7","1") = "6"
    & skf21("4","7","1","5","1","2","1","1") = "6"
    & skf21("4","7","1","5","1","2","2","1") = "6"
    & skf21("4","7","1","5","1","2","3","1") = "6"
    & skf21("4","7","1","5","1","2","4","1") = "6"
    & skf21("4","7","1","5","1","2","5","1") = "6"
    & skf21("4","7","1","5","1","2","6","1") = "6"
    & skf21("4","7","1","5","1","2","7","1") = "6"
    & skf21("4","7","1","5","1","3","1","1") = "6"
    & skf21("4","7","1","5","1","3","2","1") = "6"
    & skf21("4","7","1","5","1","3","3","1") = "6"
    & skf21("4","7","1","5","1","3","4","1") = "6"
    & skf21("4","7","1","5","1","3","5","1") = "6"
    & skf21("4","7","1","5","1","3","6","1") = "6"
    & skf21("4","7","1","5","1","3","7","1") = "6"
    & skf21("4","7","1","5","1","4","1","1") = "6"
    & skf21("4","7","1","5","1","4","2","1") = "6"
    & skf21("4","7","1","5","1","4","3","1") = "6"
    & skf21("4","7","1","5","1","4","4","1") = "6"
    & skf21("4","7","1","5","1","4","5","1") = "6"
    & skf21("4","7","1","5","1","4","6","1") = "6"
    & skf21("4","7","1","5","1","4","7","1") = "6"
    & skf21("4","7","1","5","1","5","1","1") = "6"
    & skf21("4","7","1","5","1","5","2","1") = "6"
    & skf21("4","7","1","5","1","5","3","1") = "6"
    & skf21("4","7","1","5","1","5","4","1") = "6"
    & skf21("4","7","1","5","1","5","5","1") = "6"
    & skf21("4","7","1","5","1","5","6","1") = "6"
    & skf21("4","7","1","5","1","5","7","1") = "6"
    & skf21("4","7","1","5","1","6","1","1") = "6"
    & skf21("4","7","1","5","1","6","2","1") = "6"
    & skf21("4","7","1","5","1","6","3","1") = "6"
    & skf21("4","7","1","5","1","6","4","1") = "6"
    & skf21("4","7","1","5","1","6","5","1") = "6"
    & skf21("4","7","1","5","1","6","6","1") = "6"
    & skf21("4","7","1","5","1","6","7","1") = "6"
    & skf21("4","7","1","5","1","7","1","1") = "6"
    & skf21("4","7","1","5","1","7","2","1") = "6"
    & skf21("4","7","1","5","1","7","3","1") = "6"
    & skf21("4","7","1","5","1","7","4","1") = "6"
    & skf21("4","7","1","5","1","7","5","1") = "6"
    & skf21("4","7","1","5","1","7","6","1") = "6"
    & skf21("4","7","1","5","1","7","7","1") = "6"
    & skf21("4","7","1","5","2","1","1","1") = "6"
    & skf21("4","7","1","5","2","1","2","1") = "6"
    & skf21("4","7","1","5","2","1","3","1") = "6"
    & skf21("4","7","1","5","2","1","4","1") = "6"
    & skf21("4","7","1","5","2","1","5","1") = "6"
    & skf21("4","7","1","5","2","1","6","1") = "6"
    & skf21("4","7","1","5","2","1","7","1") = "6"
    & skf21("4","7","1","5","2","2","1","1") = "6"
    & skf21("4","7","1","5","2","2","2","1") = "6"
    & skf21("4","7","1","5","2","2","3","1") = "6"
    & skf21("4","7","1","5","2","2","4","1") = "6"
    & skf21("4","7","1","5","2","2","5","1") = "6"
    & skf21("4","7","1","5","2","2","6","1") = "6"
    & skf21("4","7","1","5","2","2","7","1") = "6"
    & skf21("4","7","1","5","2","3","1","1") = "6"
    & skf21("4","7","1","5","2","3","2","1") = "6"
    & skf21("4","7","1","5","2","3","3","1") = "6"
    & skf21("4","7","1","5","2","3","4","1") = "6"
    & skf21("4","7","1","5","2","3","5","1") = "6"
    & skf21("4","7","1","5","2","3","6","1") = "6"
    & skf21("4","7","1","5","2","3","7","1") = "6"
    & skf21("4","7","1","5","2","4","1","1") = "6"
    & skf21("4","7","1","5","2","4","2","1") = "6"
    & skf21("4","7","1","5","2","4","3","1") = "6"
    & skf21("4","7","1","5","2","4","4","1") = "6"
    & skf21("4","7","1","5","2","4","5","1") = "6"
    & skf21("4","7","1","5","2","4","6","1") = "6"
    & skf21("4","7","1","5","2","4","7","1") = "6"
    & skf21("4","7","1","5","2","5","1","1") = "6"
    & skf21("4","7","1","5","2","5","2","1") = "6"
    & skf21("4","7","1","5","2","5","3","1") = "6"
    & skf21("4","7","1","5","2","5","4","1") = "6"
    & skf21("4","7","1","5","2","5","5","1") = "6"
    & skf21("4","7","1","5","2","5","6","1") = "6"
    & skf21("4","7","1","5","2","5","7","1") = "6"
    & skf21("4","7","1","5","2","6","1","1") = "6"
    & skf21("4","7","1","5","2","6","2","1") = "6"
    & skf21("4","7","1","5","2","6","3","1") = "6"
    & skf21("4","7","1","5","2","6","4","1") = "6"
    & skf21("4","7","1","5","2","6","5","1") = "6"
    & skf21("4","7","1","5","2","6","6","1") = "6"
    & skf21("4","7","1","5","2","6","7","1") = "6"
    & skf21("4","7","1","5","2","7","1","1") = "6"
    & skf21("4","7","1","5","2","7","2","1") = "6"
    & skf21("4","7","1","5","2","7","3","1") = "6"
    & skf21("4","7","1","5","2","7","4","1") = "6"
    & skf21("4","7","1","5","2","7","5","1") = "6"
    & skf21("4","7","1","5","2","7","6","1") = "6"
    & skf21("4","7","1","5","2","7","7","1") = "6"
    & skf21("4","7","1","5","3","1","1","1") = "6"
    & skf21("4","7","1","5","3","1","2","1") = "6"
    & skf21("4","7","1","5","3","1","3","1") = "6"
    & skf21("4","7","1","5","3","1","4","1") = "6"
    & skf21("4","7","1","5","3","1","5","1") = "6"
    & skf21("4","7","1","5","3","1","6","1") = "6"
    & skf21("4","7","1","5","3","1","7","1") = "6"
    & skf21("4","7","1","5","3","2","1","1") = "6"
    & skf21("4","7","1","5","3","2","2","1") = "6"
    & skf21("4","7","1","5","3","2","3","1") = "6"
    & skf21("4","7","1","5","3","2","4","1") = "6"
    & skf21("4","7","1","5","3","2","5","1") = "6"
    & skf21("4","7","1","5","3","2","6","1") = "6"
    & skf21("4","7","1","5","3","2","7","1") = "6"
    & skf21("4","7","1","5","3","3","1","1") = "6"
    & skf21("4","7","1","5","3","3","2","1") = "6"
    & skf21("4","7","1","5","3","3","3","1") = "6"
    & skf21("4","7","1","5","3","3","4","1") = "6"
    & skf21("4","7","1","5","3","3","5","1") = "6"
    & skf21("4","7","1","5","3","3","6","1") = "6"
    & skf21("4","7","1","5","3","3","7","1") = "6"
    & skf21("4","7","1","5","3","4","1","1") = "6"
    & skf21("4","7","1","5","3","4","2","1") = "6"
    & skf21("4","7","1","5","3","4","3","1") = "6"
    & skf21("4","7","1","5","3","4","4","1") = "6"
    & skf21("4","7","1","5","3","4","5","1") = "6"
    & skf21("4","7","1","5","3","4","6","1") = "6"
    & skf21("4","7","1","5","3","4","7","1") = "6"
    & skf21("4","7","1","5","3","5","1","1") = "6"
    & skf21("4","7","1","5","3","5","2","1") = "6"
    & skf21("4","7","1","5","3","5","3","1") = "6"
    & skf21("4","7","1","5","3","5","4","1") = "6"
    & skf21("4","7","1","5","3","5","5","1") = "6"
    & skf21("4","7","1","5","3","5","6","1") = "6"
    & skf21("4","7","1","5","3","5","7","1") = "6"
    & skf21("4","7","1","5","3","6","1","1") = "6"
    & skf21("4","7","1","5","3","6","2","1") = "6"
    & skf21("4","7","1","5","3","6","3","1") = "6"
    & skf21("4","7","1","5","3","6","4","1") = "6"
    & skf21("4","7","1","5","3","6","5","1") = "6"
    & skf21("4","7","1","5","3","6","6","1") = "6"
    & skf21("4","7","1","5","3","6","7","1") = "6"
    & skf21("4","7","1","5","3","7","1","1") = "6"
    & skf21("4","7","1","5","3","7","2","1") = "6"
    & skf21("4","7","1","5","3","7","3","1") = "6"
    & skf21("4","7","1","5","3","7","4","1") = "6"
    & skf21("4","7","1","5","3","7","5","1") = "6"
    & skf21("4","7","1","5","3","7","6","1") = "6"
    & skf21("4","7","1","5","3","7","7","1") = "6"
    & skf21("4","7","1","5","4","1","1","1") = "6"
    & skf21("4","7","1","5","4","1","2","1") = "6"
    & skf21("4","7","1","5","4","1","3","1") = "6"
    & skf21("4","7","1","5","4","1","4","1") = "6"
    & skf21("4","7","1","5","4","1","5","1") = "6"
    & skf21("4","7","1","5","4","1","6","1") = "6"
    & skf21("4","7","1","5","4","1","7","1") = "6"
    & skf21("4","7","1","5","4","2","1","1") = "6"
    & skf21("4","7","1","5","4","2","2","1") = "6"
    & skf21("4","7","1","5","4","2","3","1") = "6"
    & skf21("4","7","1","5","4","2","4","1") = "6"
    & skf21("4","7","1","5","4","2","5","1") = "6"
    & skf21("4","7","1","5","4","2","6","1") = "6"
    & skf21("4","7","1","5","4","2","7","1") = "6"
    & skf21("4","7","1","5","4","3","1","1") = "6"
    & skf21("4","7","1","5","4","3","2","1") = "6"
    & skf21("4","7","1","5","4","3","3","1") = "6"
    & skf21("4","7","1","5","4","3","4","1") = "6"
    & skf21("4","7","1","5","4","3","5","1") = "6"
    & skf21("4","7","1","5","4","3","6","1") = "6"
    & skf21("4","7","1","5","4","3","7","1") = "6"
    & skf21("4","7","1","5","4","4","1","1") = "6"
    & skf21("4","7","1","5","4","4","2","1") = "6"
    & skf21("4","7","1","5","4","4","3","1") = "6"
    & skf21("4","7","1","5","4","4","4","1") = "6"
    & skf21("4","7","1","5","4","4","5","1") = "6"
    & skf21("4","7","1","5","4","4","6","1") = "6"
    & skf21("4","7","1","5","4","4","7","1") = "6"
    & skf21("4","7","1","5","4","5","1","1") = "6"
    & skf21("4","7","1","5","4","5","2","1") = "6"
    & skf21("4","7","1","5","4","5","3","1") = "6"
    & skf21("4","7","1","5","4","5","4","1") = "6"
    & skf21("4","7","1","5","4","5","5","1") = "6"
    & skf21("4","7","1","5","4","5","6","1") = "6"
    & skf21("4","7","1","5","4","5","7","1") = "6"
    & skf21("4","7","1","5","4","6","1","1") = "6"
    & skf21("4","7","1","5","4","6","2","1") = "6"
    & skf21("4","7","1","5","4","6","3","1") = "6"
    & skf21("4","7","1","5","4","6","4","1") = "6"
    & skf21("4","7","1","5","4","6","5","1") = "6"
    & skf21("4","7","1","5","4","6","6","1") = "6"
    & skf21("4","7","1","5","4","6","7","1") = "6"
    & skf21("4","7","1","5","4","7","1","1") = "6"
    & skf21("4","7","1","5","4","7","2","1") = "6"
    & skf21("4","7","1","5","4","7","3","1") = "6"
    & skf21("4","7","1","5","4","7","4","1") = "6"
    & skf21("4","7","1","5","4","7","5","1") = "6"
    & skf21("4","7","1","5","4","7","6","1") = "6"
    & skf21("4","7","1","5","4","7","7","1") = "6"
    & skf21("4","7","1","5","5","1","1","1") = "6"
    & skf21("4","7","1","5","5","1","2","1") = "6"
    & skf21("4","7","1","5","5","1","3","1") = "6"
    & skf21("4","7","1","5","5","1","4","1") = "6"
    & skf21("4","7","1","5","5","1","5","1") = "6"
    & skf21("4","7","1","5","5","1","6","1") = "6"
    & skf21("4","7","1","5","5","1","7","1") = "6"
    & skf21("4","7","1","5","5","2","1","1") = "6"
    & skf21("4","7","1","5","5","2","2","1") = "6"
    & skf21("4","7","1","5","5","2","3","1") = "6"
    & skf21("4","7","1","5","5","2","4","1") = "6"
    & skf21("4","7","1","5","5","2","5","1") = "6"
    & skf21("4","7","1","5","5","2","6","1") = "6"
    & skf21("4","7","1","5","5","2","7","1") = "6"
    & skf21("4","7","1","5","5","3","1","1") = "6"
    & skf21("4","7","1","5","5","3","2","1") = "6"
    & skf21("4","7","1","5","5","3","3","1") = "6"
    & skf21("4","7","1","5","5","3","4","1") = "6"
    & skf21("4","7","1","5","5","3","5","1") = "6"
    & skf21("4","7","1","5","5","3","6","1") = "6"
    & skf21("4","7","1","5","5","3","7","1") = "6"
    & skf21("4","7","1","5","5","4","1","1") = "6"
    & skf21("4","7","1","5","5","4","2","1") = "6"
    & skf21("4","7","1","5","5","4","3","1") = "6"
    & skf21("4","7","1","5","5","4","4","1") = "6"
    & skf21("4","7","1","5","5","4","5","1") = "6"
    & skf21("4","7","1","5","5","4","6","1") = "6"
    & skf21("4","7","1","5","5","4","7","1") = "6"
    & skf21("4","7","1","5","5","5","1","1") = "6"
    & skf21("4","7","1","5","5","5","2","1") = "6"
    & skf21("4","7","1","5","5","5","3","1") = "6"
    & skf21("4","7","1","5","5","5","4","1") = "6"
    & skf21("4","7","1","5","5","5","5","1") = "6"
    & skf21("4","7","1","5","5","5","6","1") = "6"
    & skf21("4","7","1","5","5","5","7","1") = "6"
    & skf21("4","7","1","5","5","6","1","1") = "6"
    & skf21("4","7","1","5","5","6","2","1") = "6"
    & skf21("4","7","1","5","5","6","3","1") = "6"
    & skf21("4","7","1","5","5","6","4","1") = "6"
    & skf21("4","7","1","5","5","6","5","1") = "6"
    & skf21("4","7","1","5","5","6","6","1") = "6"
    & skf21("4","7","1","5","5","6","7","1") = "6"
    & skf21("4","7","1","5","5","7","1","1") = "6"
    & skf21("4","7","1","5","5","7","2","1") = "6"
    & skf21("4","7","1","5","5","7","3","1") = "6"
    & skf21("4","7","1","5","5","7","4","1") = "6"
    & skf21("4","7","1","5","5","7","5","1") = "6"
    & skf21("4","7","1","5","5","7","6","1") = "6"
    & skf21("4","7","1","5","5","7","7","1") = "6"
    & skf21("4","7","1","5","6","1","1","1") = "6"
    & skf21("4","7","1","5","6","1","2","1") = "6"
    & skf21("4","7","1","5","6","1","3","1") = "6"
    & skf21("4","7","1","5","6","1","4","1") = "6"
    & skf21("4","7","1","5","6","1","5","1") = "6"
    & skf21("4","7","1","5","6","1","6","1") = "6"
    & skf21("4","7","1","5","6","1","7","1") = "6"
    & skf21("4","7","1","5","6","2","1","1") = "6"
    & skf21("4","7","1","5","6","2","2","1") = "6"
    & skf21("4","7","1","5","6","2","3","1") = "6"
    & skf21("4","7","1","5","6","2","4","1") = "6"
    & skf21("4","7","1","5","6","2","5","1") = "6"
    & skf21("4","7","1","5","6","2","6","1") = "6"
    & skf21("4","7","1","5","6","2","7","1") = "6"
    & skf21("4","7","1","5","6","3","1","1") = "6"
    & skf21("4","7","1","5","6","3","2","1") = "6"
    & skf21("4","7","1","5","6","3","3","1") = "6"
    & skf21("4","7","1","5","6","3","4","1") = "6"
    & skf21("4","7","1","5","6","3","5","1") = "6"
    & skf21("4","7","1","5","6","3","6","1") = "6"
    & skf21("4","7","1","5","6","3","7","1") = "6"
    & skf21("4","7","1","5","6","4","1","1") = "6"
    & skf21("4","7","1","5","6","4","2","1") = "6"
    & skf21("4","7","1","5","6","4","3","1") = "6"
    & skf21("4","7","1","5","6","4","4","1") = "6"
    & skf21("4","7","1","5","6","4","5","1") = "6"
    & skf21("4","7","1","5","6","4","6","1") = "6"
    & skf21("4","7","1","5","6","4","7","1") = "6"
    & skf21("4","7","1","5","6","5","1","1") = "6"
    & skf21("4","7","1","5","6","5","2","1") = "6"
    & skf21("4","7","1","5","6","5","3","1") = "6"
    & skf21("4","7","1","5","6","5","4","1") = "6"
    & skf21("4","7","1","5","6","5","5","1") = "6"
    & skf21("4","7","1","5","6","5","6","1") = "6"
    & skf21("4","7","1","5","6","5","7","1") = "6"
    & skf21("4","7","1","5","6","6","1","1") = "6"
    & skf21("4","7","1","5","6","6","2","1") = "6"
    & skf21("4","7","1","5","6","6","3","1") = "6"
    & skf21("4","7","1","5","6","6","4","1") = "6"
    & skf21("4","7","1","5","6","6","5","1") = "6"
    & skf21("4","7","1","5","6","6","6","1") = "6"
    & skf21("4","7","1","5","6","6","7","1") = "6"
    & skf21("4","7","1","5","6","7","1","1") = "6"
    & skf21("4","7","1","5","6","7","2","1") = "6"
    & skf21("4","7","1","5","6","7","3","1") = "6"
    & skf21("4","7","1","5","6","7","4","1") = "6"
    & skf21("4","7","1","5","6","7","5","1") = "6"
    & skf21("4","7","1","5","6","7","6","1") = "6"
    & skf21("4","7","1","5","6","7","7","1") = "6"
    & skf21("4","7","1","5","7","1","1","1") = "6"
    & skf21("4","7","1","5","7","1","2","1") = "6"
    & skf21("4","7","1","5","7","1","3","1") = "6"
    & skf21("4","7","1","5","7","1","4","1") = "6"
    & skf21("4","7","1","5","7","1","5","1") = "6"
    & skf21("4","7","1","5","7","1","6","1") = "6"
    & skf21("4","7","1","5","7","1","7","1") = "6"
    & skf21("4","7","1","5","7","2","1","1") = "6"
    & skf21("4","7","1","5","7","2","2","1") = "6"
    & skf21("4","7","1","5","7","2","3","1") = "6"
    & skf21("4","7","1","5","7","2","4","1") = "6"
    & skf21("4","7","1","5","7","2","5","1") = "6"
    & skf21("4","7","1","5","7","2","6","1") = "6"
    & skf21("4","7","1","5","7","2","7","1") = "6"
    & skf21("4","7","1","5","7","3","1","1") = "6"
    & skf21("4","7","1","5","7","3","2","1") = "6"
    & skf21("4","7","1","5","7","3","3","1") = "6"
    & skf21("4","7","1","5","7","3","4","1") = "6"
    & skf21("4","7","1","5","7","3","5","1") = "6"
    & skf21("4","7","1","5","7","3","6","1") = "6"
    & skf21("4","7","1","5","7","3","7","1") = "6"
    & skf21("4","7","1","5","7","4","1","1") = "6"
    & skf21("4","7","1","5","7","4","2","1") = "6"
    & skf21("4","7","1","5","7","4","3","1") = "6"
    & skf21("4","7","1","5","7","4","4","1") = "6"
    & skf21("4","7","1","5","7","4","5","1") = "6"
    & skf21("4","7","1","5","7","4","6","1") = "6"
    & skf21("4","7","1","5","7","4","7","1") = "6"
    & skf21("4","7","1","5","7","5","1","1") = "6"
    & skf21("4","7","1","5","7","5","2","1") = "6"
    & skf21("4","7","1","5","7","5","3","1") = "6"
    & skf21("4","7","1","5","7","5","4","1") = "6"
    & skf21("4","7","1","5","7","5","5","1") = "6"
    & skf21("4","7","1","5","7","5","6","1") = "6"
    & skf21("4","7","1","5","7","5","7","1") = "6"
    & skf21("4","7","1","5","7","6","1","1") = "6"
    & skf21("4","7","1","5","7","6","2","1") = "6"
    & skf21("4","7","1","5","7","6","3","1") = "6"
    & skf21("4","7","1","5","7","6","4","1") = "6"
    & skf21("4","7","1","5","7","6","5","1") = "6"
    & skf21("4","7","1","5","7","6","6","1") = "6"
    & skf21("4","7","1","5","7","6","7","1") = "6"
    & skf21("4","7","1","5","7","7","1","1") = "6"
    & skf21("4","7","1","5","7","7","2","1") = "6"
    & skf21("4","7","1","5","7","7","3","1") = "6"
    & skf21("4","7","1","5","7","7","4","1") = "6"
    & skf21("4","7","1","5","7","7","5","1") = "6"
    & skf21("4","7","1","5","7","7","6","1") = "6"
    & skf21("4","7","1","5","7","7","7","1") = "6"
    & skf21("4","7","1","6","1","1","1","1") = "6"
    & skf21("4","7","1","6","1","1","2","1") = "6"
    & skf21("4","7","1","6","1","1","3","1") = "6"
    & skf21("4","7","1","6","1","1","4","1") = "6"
    & skf21("4","7","1","6","1","1","5","1") = "6"
    & skf21("4","7","1","6","1","1","6","1") = "6"
    & skf21("4","7","1","6","1","1","7","1") = "6"
    & skf21("4","7","1","6","1","2","1","1") = "6"
    & skf21("4","7","1","6","1","2","2","1") = "6"
    & skf21("4","7","1","6","1","2","3","1") = "6"
    & skf21("4","7","1","6","1","2","4","1") = "6"
    & skf21("4","7","1","6","1","2","5","1") = "6"
    & skf21("4","7","1","6","1","2","6","1") = "6"
    & skf21("4","7","1","6","1","2","7","1") = "6"
    & skf21("4","7","1","6","1","3","1","1") = "6"
    & skf21("4","7","1","6","1","3","2","1") = "6"
    & skf21("4","7","1","6","1","3","3","1") = "6"
    & skf21("4","7","1","6","1","3","4","1") = "6"
    & skf21("4","7","1","6","1","3","5","1") = "6"
    & skf21("4","7","1","6","1","3","6","1") = "6"
    & skf21("4","7","1","6","1","3","7","1") = "6"
    & skf21("4","7","1","6","1","4","1","1") = "6"
    & skf21("4","7","1","6","1","4","2","1") = "6"
    & skf21("4","7","1","6","1","4","3","1") = "6"
    & skf21("4","7","1","6","1","4","4","1") = "6"
    & skf21("4","7","1","6","1","4","5","1") = "6"
    & skf21("4","7","1","6","1","4","6","1") = "6"
    & skf21("4","7","1","6","1","4","7","1") = "6"
    & skf21("4","7","1","6","1","5","1","1") = "6"
    & skf21("4","7","1","6","1","5","2","1") = "6"
    & skf21("4","7","1","6","1","5","3","1") = "6"
    & skf21("4","7","1","6","1","5","4","1") = "6"
    & skf21("4","7","1","6","1","5","5","1") = "6"
    & skf21("4","7","1","6","1","5","6","1") = "6"
    & skf21("4","7","1","6","1","5","7","1") = "6"
    & skf21("4","7","1","6","1","6","1","1") = "6"
    & skf21("4","7","1","6","1","6","2","1") = "6"
    & skf21("4","7","1","6","1","6","3","1") = "6"
    & skf21("4","7","1","6","1","6","4","1") = "6"
    & skf21("4","7","1","6","1","6","5","1") = "6"
    & skf21("4","7","1","6","1","6","6","1") = "6"
    & skf21("4","7","1","6","1","6","7","1") = "6"
    & skf21("4","7","1","6","1","7","1","1") = "6"
    & skf21("4","7","1","6","1","7","2","1") = "6"
    & skf21("4","7","1","6","1","7","3","1") = "6"
    & skf21("4","7","1","6","1","7","4","1") = "6"
    & skf21("4","7","1","6","1","7","5","1") = "6"
    & skf21("4","7","1","6","1","7","6","1") = "6"
    & skf21("4","7","1","6","1","7","7","1") = "6"
    & skf21("4","7","1","6","2","1","1","1") = "6"
    & skf21("4","7","1","6","2","1","2","1") = "6"
    & skf21("4","7","1","6","2","1","3","1") = "6"
    & skf21("4","7","1","6","2","1","4","1") = "6"
    & skf21("4","7","1","6","2","1","5","1") = "6"
    & skf21("4","7","1","6","2","1","6","1") = "6"
    & skf21("4","7","1","6","2","1","7","1") = "6"
    & skf21("4","7","1","6","2","2","1","1") = "6"
    & skf21("4","7","1","6","2","2","2","1") = "6"
    & skf21("4","7","1","6","2","2","3","1") = "6"
    & skf21("4","7","1","6","2","2","4","1") = "6"
    & skf21("4","7","1","6","2","2","5","1") = "6"
    & skf21("4","7","1","6","2","2","6","1") = "6"
    & skf21("4","7","1","6","2","2","7","1") = "6"
    & skf21("4","7","1","6","2","3","1","1") = "6"
    & skf21("4","7","1","6","2","3","2","1") = "6"
    & skf21("4","7","1","6","2","3","3","1") = "6"
    & skf21("4","7","1","6","2","3","4","1") = "6"
    & skf21("4","7","1","6","2","3","5","1") = "6"
    & skf21("4","7","1","6","2","3","6","1") = "6"
    & skf21("4","7","1","6","2","3","7","1") = "6"
    & skf21("4","7","1","6","2","4","1","1") = "6"
    & skf21("4","7","1","6","2","4","2","1") = "6"
    & skf21("4","7","1","6","2","4","3","1") = "6"
    & skf21("4","7","1","6","2","4","4","1") = "6"
    & skf21("4","7","1","6","2","4","5","1") = "6"
    & skf21("4","7","1","6","2","4","6","1") = "6"
    & skf21("4","7","1","6","2","4","7","1") = "6"
    & skf21("4","7","1","6","2","5","1","1") = "6"
    & skf21("4","7","1","6","2","5","2","1") = "6"
    & skf21("4","7","1","6","2","5","3","1") = "6"
    & skf21("4","7","1","6","2","5","4","1") = "6"
    & skf21("4","7","1","6","2","5","5","1") = "6"
    & skf21("4","7","1","6","2","5","6","1") = "6"
    & skf21("4","7","1","6","2","5","7","1") = "6"
    & skf21("4","7","1","6","2","6","1","1") = "6"
    & skf21("4","7","1","6","2","6","2","1") = "6"
    & skf21("4","7","1","6","2","6","3","1") = "6"
    & skf21("4","7","1","6","2","6","4","1") = "6"
    & skf21("4","7","1","6","2","6","5","1") = "6"
    & skf21("4","7","1","6","2","6","6","1") = "6"
    & skf21("4","7","1","6","2","6","7","1") = "6"
    & skf21("4","7","1","6","2","7","1","1") = "6"
    & skf21("4","7","1","6","2","7","2","1") = "6"
    & skf21("4","7","1","6","2","7","3","1") = "6"
    & skf21("4","7","1","6","2","7","4","1") = "6"
    & skf21("4","7","1","6","2","7","5","1") = "6"
    & skf21("4","7","1","6","2","7","6","1") = "6"
    & skf21("4","7","1","6","2","7","7","1") = "6"
    & skf21("4","7","1","6","3","1","1","1") = "6"
    & skf21("4","7","1","6","3","1","2","1") = "6"
    & skf21("4","7","1","6","3","1","3","1") = "6"
    & skf21("4","7","1","6","3","1","4","1") = "6"
    & skf21("4","7","1","6","3","1","5","1") = "6"
    & skf21("4","7","1","6","3","1","6","1") = "6"
    & skf21("4","7","1","6","3","1","7","1") = "6"
    & skf21("4","7","1","6","3","2","1","1") = "6"
    & skf21("4","7","1","6","3","2","2","1") = "6"
    & skf21("4","7","1","6","3","2","3","1") = "6"
    & skf21("4","7","1","6","3","2","4","1") = "6"
    & skf21("4","7","1","6","3","2","5","1") = "6"
    & skf21("4","7","1","6","3","2","6","1") = "6"
    & skf21("4","7","1","6","3","2","7","1") = "6"
    & skf21("4","7","1","6","3","3","1","1") = "6"
    & skf21("4","7","1","6","3","3","2","1") = "6"
    & skf21("4","7","1","6","3","3","3","1") = "6"
    & skf21("4","7","1","6","3","3","4","1") = "6"
    & skf21("4","7","1","6","3","3","5","1") = "6"
    & skf21("4","7","1","6","3","3","6","1") = "6"
    & skf21("4","7","1","6","3","3","7","1") = "6"
    & skf21("4","7","1","6","3","4","1","1") = "6"
    & skf21("4","7","1","6","3","4","2","1") = "6"
    & skf21("4","7","1","6","3","4","3","1") = "6"
    & skf21("4","7","1","6","3","4","4","1") = "6"
    & skf21("4","7","1","6","3","4","5","1") = "6"
    & skf21("4","7","1","6","3","4","6","1") = "6"
    & skf21("4","7","1","6","3","4","7","1") = "6"
    & skf21("4","7","1","6","3","5","1","1") = "6"
    & skf21("4","7","1","6","3","5","2","1") = "6"
    & skf21("4","7","1","6","3","5","3","1") = "6"
    & skf21("4","7","1","6","3","5","4","1") = "6"
    & skf21("4","7","1","6","3","5","5","1") = "6"
    & skf21("4","7","1","6","3","5","6","1") = "6"
    & skf21("4","7","1","6","3","5","7","1") = "6"
    & skf21("4","7","1","6","3","6","1","1") = "6"
    & skf21("4","7","1","6","3","6","2","1") = "6"
    & skf21("4","7","1","6","3","6","3","1") = "6"
    & skf21("4","7","1","6","3","6","4","1") = "6"
    & skf21("4","7","1","6","3","6","5","1") = "6"
    & skf21("4","7","1","6","3","6","6","1") = "6"
    & skf21("4","7","1","6","3","6","7","1") = "6"
    & skf21("4","7","1","6","3","7","1","1") = "6"
    & skf21("4","7","1","6","3","7","2","1") = "6"
    & skf21("4","7","1","6","3","7","3","1") = "6"
    & skf21("4","7","1","6","3","7","4","1") = "6"
    & skf21("4","7","1","6","3","7","5","1") = "6"
    & skf21("4","7","1","6","3","7","6","1") = "6"
    & skf21("4","7","1","6","3","7","7","1") = "6"
    & skf21("4","7","1","6","4","1","1","1") = "6"
    & skf21("4","7","1","6","4","1","2","1") = "6"
    & skf21("4","7","1","6","4","1","3","1") = "6"
    & skf21("4","7","1","6","4","1","4","1") = "6"
    & skf21("4","7","1","6","4","1","5","1") = "6"
    & skf21("4","7","1","6","4","1","6","1") = "6"
    & skf21("4","7","1","6","4","1","7","1") = "6"
    & skf21("4","7","1","6","4","2","1","1") = "6"
    & skf21("4","7","1","6","4","2","2","1") = "6"
    & skf21("4","7","1","6","4","2","3","1") = "6"
    & skf21("4","7","1","6","4","2","4","1") = "6"
    & skf21("4","7","1","6","4","2","5","1") = "6"
    & skf21("4","7","1","6","4","2","6","1") = "6"
    & skf21("4","7","1","6","4","2","7","1") = "6"
    & skf21("4","7","1","6","4","3","1","1") = "6"
    & skf21("4","7","1","6","4","3","2","1") = "6"
    & skf21("4","7","1","6","4","3","3","1") = "6"
    & skf21("4","7","1","6","4","3","4","1") = "6"
    & skf21("4","7","1","6","4","3","5","1") = "6"
    & skf21("4","7","1","6","4","3","6","1") = "6"
    & skf21("4","7","1","6","4","3","7","1") = "6"
    & skf21("4","7","1","6","4","4","1","1") = "6"
    & skf21("4","7","1","6","4","4","2","1") = "6"
    & skf21("4","7","1","6","4","4","3","1") = "6"
    & skf21("4","7","1","6","4","4","4","1") = "6"
    & skf21("4","7","1","6","4","4","5","1") = "6"
    & skf21("4","7","1","6","4","4","6","1") = "6"
    & skf21("4","7","1","6","4","4","7","1") = "6"
    & skf21("4","7","1","6","4","5","1","1") = "6"
    & skf21("4","7","1","6","4","5","2","1") = "6"
    & skf21("4","7","1","6","4","5","3","1") = "6"
    & skf21("4","7","1","6","4","5","4","1") = "6"
    & skf21("4","7","1","6","4","5","5","1") = "6"
    & skf21("4","7","1","6","4","5","6","1") = "6"
    & skf21("4","7","1","6","4","5","7","1") = "6"
    & skf21("4","7","1","6","4","6","1","1") = "6"
    & skf21("4","7","1","6","4","6","2","1") = "6"
    & skf21("4","7","1","6","4","6","3","1") = "6"
    & skf21("4","7","1","6","4","6","4","1") = "6"
    & skf21("4","7","1","6","4","6","5","1") = "6"
    & skf21("4","7","1","6","4","6","6","1") = "6"
    & skf21("4","7","1","6","4","6","7","1") = "6"
    & skf21("4","7","1","6","4","7","1","1") = "6"
    & skf21("4","7","1","6","4","7","2","1") = "6"
    & skf21("4","7","1","6","4","7","3","1") = "6"
    & skf21("4","7","1","6","4","7","4","1") = "6"
    & skf21("4","7","1","6","4","7","5","1") = "6"
    & skf21("4","7","1","6","4","7","6","1") = "6"
    & skf21("4","7","1","6","4","7","7","1") = "6"
    & skf21("4","7","1","6","5","1","1","1") = "6"
    & skf21("4","7","1","6","5","1","2","1") = "6"
    & skf21("4","7","1","6","5","1","3","1") = "6"
    & skf21("4","7","1","6","5","1","4","1") = "6"
    & skf21("4","7","1","6","5","1","5","1") = "6"
    & skf21("4","7","1","6","5","1","6","1") = "6"
    & skf21("4","7","1","6","5","1","7","1") = "6"
    & skf21("4","7","1","6","5","2","1","1") = "6"
    & skf21("4","7","1","6","5","2","2","1") = "6"
    & skf21("4","7","1","6","5","2","3","1") = "6"
    & skf21("4","7","1","6","5","2","4","1") = "6"
    & skf21("4","7","1","6","5","2","5","1") = "6"
    & skf21("4","7","1","6","5","2","6","1") = "6"
    & skf21("4","7","1","6","5","2","7","1") = "6"
    & skf21("4","7","1","6","5","3","1","1") = "6"
    & skf21("4","7","1","6","5","3","2","1") = "6"
    & skf21("4","7","1","6","5","3","3","1") = "6"
    & skf21("4","7","1","6","5","3","4","1") = "6"
    & skf21("4","7","1","6","5","3","5","1") = "6"
    & skf21("4","7","1","6","5","3","6","1") = "6"
    & skf21("4","7","1","6","5","3","7","1") = "6"
    & skf21("4","7","1","6","5","4","1","1") = "6"
    & skf21("4","7","1","6","5","4","2","1") = "6"
    & skf21("4","7","1","6","5","4","3","1") = "6"
    & skf21("4","7","1","6","5","4","4","1") = "6"
    & skf21("4","7","1","6","5","4","5","1") = "6"
    & skf21("4","7","1","6","5","4","6","1") = "6"
    & skf21("4","7","1","6","5","4","7","1") = "6"
    & skf21("4","7","1","6","5","5","1","1") = "6"
    & skf21("4","7","1","6","5","5","2","1") = "6"
    & skf21("4","7","1","6","5","5","3","1") = "6"
    & skf21("4","7","1","6","5","5","4","1") = "6"
    & skf21("4","7","1","6","5","5","5","1") = "6"
    & skf21("4","7","1","6","5","5","6","1") = "6"
    & skf21("4","7","1","6","5","5","7","1") = "6"
    & skf21("4","7","1","6","5","6","1","1") = "6"
    & skf21("4","7","1","6","5","6","2","1") = "6"
    & skf21("4","7","1","6","5","6","3","1") = "6"
    & skf21("4","7","1","6","5","6","4","1") = "6"
    & skf21("4","7","1","6","5","6","5","1") = "6"
    & skf21("4","7","1","6","5","6","6","1") = "6"
    & skf21("4","7","1","6","5","6","7","1") = "6"
    & skf21("4","7","1","6","5","7","1","1") = "6"
    & skf21("4","7","1","6","5","7","2","1") = "6"
    & skf21("4","7","1","6","5","7","3","1") = "6"
    & skf21("4","7","1","6","5","7","4","1") = "6"
    & skf21("4","7","1","6","5","7","5","1") = "6"
    & skf21("4","7","1","6","5","7","6","1") = "6"
    & skf21("4","7","1","6","5","7","7","1") = "6"
    & skf21("4","7","1","6","6","1","1","1") = "6"
    & skf21("4","7","1","6","6","1","2","1") = "6"
    & skf21("4","7","1","6","6","1","3","1") = "6"
    & skf21("4","7","1","6","6","1","4","1") = "6"
    & skf21("4","7","1","6","6","1","5","1") = "6"
    & skf21("4","7","1","6","6","1","6","1") = "6"
    & skf21("4","7","1","6","6","1","7","1") = "6"
    & skf21("4","7","1","6","6","2","1","1") = "6"
    & skf21("4","7","1","6","6","2","2","1") = "6"
    & skf21("4","7","1","6","6","2","3","1") = "6"
    & skf21("4","7","1","6","6","2","4","1") = "6"
    & skf21("4","7","1","6","6","2","5","1") = "6"
    & skf21("4","7","1","6","6","2","6","1") = "6"
    & skf21("4","7","1","6","6","2","7","1") = "6"
    & skf21("4","7","1","6","6","3","1","1") = "6"
    & skf21("4","7","1","6","6","3","2","1") = "6"
    & skf21("4","7","1","6","6","3","3","1") = "6"
    & skf21("4","7","1","6","6","3","4","1") = "6"
    & skf21("4","7","1","6","6","3","5","1") = "6"
    & skf21("4","7","1","6","6","3","6","1") = "6"
    & skf21("4","7","1","6","6","3","7","1") = "6"
    & skf21("4","7","1","6","6","4","1","1") = "6"
    & skf21("4","7","1","6","6","4","2","1") = "6"
    & skf21("4","7","1","6","6","4","3","1") = "6"
    & skf21("4","7","1","6","6","4","4","1") = "6"
    & skf21("4","7","1","6","6","4","5","1") = "6"
    & skf21("4","7","1","6","6","4","6","1") = "6"
    & skf21("4","7","1","6","6","4","7","1") = "6"
    & skf21("4","7","1","6","6","5","1","1") = "6"
    & skf21("4","7","1","6","6","5","2","1") = "6"
    & skf21("4","7","1","6","6","5","3","1") = "6"
    & skf21("4","7","1","6","6","5","4","1") = "6"
    & skf21("4","7","1","6","6","5","5","1") = "6"
    & skf21("4","7","1","6","6","5","6","1") = "6"
    & skf21("4","7","1","6","6","5","7","1") = "6"
    & skf21("4","7","1","6","6","6","1","1") = "6"
    & skf21("4","7","1","6","6","6","2","1") = "6"
    & skf21("4","7","1","6","6","6","3","1") = "6"
    & skf21("4","7","1","6","6","6","4","1") = "6"
    & skf21("4","7","1","6","6","6","5","1") = "6"
    & skf21("4","7","1","6","6","6","6","1") = "6"
    & skf21("4","7","1","6","6","6","7","1") = "6"
    & skf21("4","7","1","6","6","7","1","1") = "6"
    & skf21("4","7","1","6","6","7","2","1") = "6"
    & skf21("4","7","1","6","6","7","3","1") = "6"
    & skf21("4","7","1","6","6","7","4","1") = "6"
    & skf21("4","7","1","6","6","7","5","1") = "6"
    & skf21("4","7","1","6","6","7","6","1") = "6"
    & skf21("4","7","1","6","6","7","7","1") = "6"
    & skf21("4","7","1","6","7","1","1","1") = "6"
    & skf21("4","7","1","6","7","1","2","1") = "6"
    & skf21("4","7","1","6","7","1","3","1") = "6"
    & skf21("4","7","1","6","7","1","4","1") = "6"
    & skf21("4","7","1","6","7","1","5","1") = "6"
    & skf21("4","7","1","6","7","1","6","1") = "6"
    & skf21("4","7","1","6","7","1","7","1") = "6"
    & skf21("4","7","1","6","7","2","1","1") = "6"
    & skf21("4","7","1","6","7","2","2","1") = "6"
    & skf21("4","7","1","6","7","2","3","1") = "6"
    & skf21("4","7","1","6","7","2","4","1") = "6"
    & skf21("4","7","1","6","7","2","5","1") = "6"
    & skf21("4","7","1","6","7","2","6","1") = "6"
    & skf21("4","7","1","6","7","2","7","1") = "6"
    & skf21("4","7","1","6","7","3","1","1") = "6"
    & skf21("4","7","1","6","7","3","2","1") = "6"
    & skf21("4","7","1","6","7","3","3","1") = "6"
    & skf21("4","7","1","6","7","3","4","1") = "6"
    & skf21("4","7","1","6","7","3","5","1") = "6"
    & skf21("4","7","1","6","7","3","6","1") = "6"
    & skf21("4","7","1","6","7","3","7","1") = "6"
    & skf21("4","7","1","6","7","4","1","1") = "6"
    & skf21("4","7","1","6","7","4","2","1") = "6"
    & skf21("4","7","1","6","7","4","3","1") = "6"
    & skf21("4","7","1","6","7","4","4","1") = "6"
    & skf21("4","7","1","6","7","4","5","1") = "6"
    & skf21("4","7","1","6","7","4","6","1") = "6"
    & skf21("4","7","1","6","7","4","7","1") = "6"
    & skf21("4","7","1","6","7","5","1","1") = "6"
    & skf21("4","7","1","6","7","5","2","1") = "6"
    & skf21("4","7","1","6","7","5","3","1") = "6"
    & skf21("4","7","1","6","7","5","4","1") = "6"
    & skf21("4","7","1","6","7","5","5","1") = "6"
    & skf21("4","7","1","6","7","5","6","1") = "6"
    & skf21("4","7","1","6","7","5","7","1") = "6"
    & skf21("4","7","1","6","7","6","1","1") = "6"
    & skf21("4","7","1","6","7","6","2","1") = "6"
    & skf21("4","7","1","6","7","6","3","1") = "6"
    & skf21("4","7","1","6","7","6","4","1") = "6"
    & skf21("4","7","1","6","7","6","5","1") = "6"
    & skf21("4","7","1","6","7","6","6","1") = "6"
    & skf21("4","7","1","6","7","6","7","1") = "6"
    & skf21("4","7","1","6","7","7","1","1") = "6"
    & skf21("4","7","1","6","7","7","2","1") = "6"
    & skf21("4","7","1","6","7","7","3","1") = "6"
    & skf21("4","7","1","6","7","7","4","1") = "6"
    & skf21("4","7","1","6","7","7","5","1") = "6"
    & skf21("4","7","1","6","7","7","6","1") = "6"
    & skf21("4","7","1","6","7","7","7","1") = "6"
    & skf21("4","7","1","7","1","1","1","1") = "6"
    & skf21("4","7","1","7","1","1","2","1") = "6"
    & skf21("4","7","1","7","1","1","3","1") = "6"
    & skf21("4","7","1","7","1","1","4","1") = "6"
    & skf21("4","7","1","7","1","1","5","1") = "6"
    & skf21("4","7","1","7","1","1","6","1") = "6"
    & skf21("4","7","1","7","1","1","7","1") = "6"
    & skf21("4","7","1","7","1","2","1","1") = "6"
    & skf21("4","7","1","7","1","2","2","1") = "6"
    & skf21("4","7","1","7","1","2","3","1") = "6"
    & skf21("4","7","1","7","1","2","4","1") = "6"
    & skf21("4","7","1","7","1","2","5","1") = "6"
    & skf21("4","7","1","7","1","2","6","1") = "6"
    & skf21("4","7","1","7","1","2","7","1") = "6"
    & skf21("4","7","1","7","1","3","1","1") = "6"
    & skf21("4","7","1","7","1","3","2","1") = "6"
    & skf21("4","7","1","7","1","3","3","1") = "6"
    & skf21("4","7","1","7","1","3","4","1") = "6"
    & skf21("4","7","1","7","1","3","5","1") = "6"
    & skf21("4","7","1","7","1","3","6","1") = "6"
    & skf21("4","7","1","7","1","3","7","1") = "6"
    & skf21("4","7","1","7","1","4","1","1") = "6"
    & skf21("4","7","1","7","1","4","2","1") = "6"
    & skf21("4","7","1","7","1","4","3","1") = "6"
    & skf21("4","7","1","7","1","4","4","1") = "6"
    & skf21("4","7","1","7","1","4","5","1") = "6"
    & skf21("4","7","1","7","1","4","6","1") = "6"
    & skf21("4","7","1","7","1","4","7","1") = "6"
    & skf21("4","7","1","7","1","5","1","1") = "6"
    & skf21("4","7","1","7","1","5","2","1") = "6"
    & skf21("4","7","1","7","1","5","3","1") = "6"
    & skf21("4","7","1","7","1","5","4","1") = "6"
    & skf21("4","7","1","7","1","5","5","1") = "6"
    & skf21("4","7","1","7","1","5","6","1") = "6"
    & skf21("4","7","1","7","1","5","7","1") = "6"
    & skf21("4","7","1","7","1","6","1","1") = "6"
    & skf21("4","7","1","7","1","6","2","1") = "6"
    & skf21("4","7","1","7","1","6","3","1") = "6"
    & skf21("4","7","1","7","1","6","4","1") = "6"
    & skf21("4","7","1","7","1","6","5","1") = "6"
    & skf21("4","7","1","7","1","6","6","1") = "6"
    & skf21("4","7","1","7","1","6","7","1") = "6"
    & skf21("4","7","1","7","1","7","1","1") = "6"
    & skf21("4","7","1","7","1","7","2","1") = "6"
    & skf21("4","7","1","7","1","7","3","1") = "6"
    & skf21("4","7","1","7","1","7","4","1") = "6"
    & skf21("4","7","1","7","1","7","5","1") = "6"
    & skf21("4","7","1","7","1","7","6","1") = "6"
    & skf21("4","7","1","7","1","7","7","1") = "6"
    & skf21("4","7","1","7","2","1","1","1") = "6"
    & skf21("4","7","1","7","2","1","2","1") = "6"
    & skf21("4","7","1","7","2","1","3","1") = "6"
    & skf21("4","7","1","7","2","1","4","1") = "6"
    & skf21("4","7","1","7","2","1","5","1") = "6"
    & skf21("4","7","1","7","2","1","6","1") = "6"
    & skf21("4","7","1","7","2","1","7","1") = "6"
    & skf21("4","7","1","7","2","2","1","1") = "6"
    & skf21("4","7","1","7","2","2","2","1") = "6"
    & skf21("4","7","1","7","2","2","3","1") = "6"
    & skf21("4","7","1","7","2","2","4","1") = "6"
    & skf21("4","7","1","7","2","2","5","1") = "6"
    & skf21("4","7","1","7","2","2","6","1") = "6"
    & skf21("4","7","1","7","2","2","7","1") = "6"
    & skf21("4","7","1","7","2","3","1","1") = "6"
    & skf21("4","7","1","7","2","3","2","1") = "6"
    & skf21("4","7","1","7","2","3","3","1") = "6"
    & skf21("4","7","1","7","2","3","4","1") = "6"
    & skf21("4","7","1","7","2","3","5","1") = "6"
    & skf21("4","7","1","7","2","3","6","1") = "6"
    & skf21("4","7","1","7","2","3","7","1") = "6"
    & skf21("4","7","1","7","2","4","1","1") = "6"
    & skf21("4","7","1","7","2","4","2","1") = "6"
    & skf21("4","7","1","7","2","4","3","1") = "6"
    & skf21("4","7","1","7","2","4","4","1") = "6"
    & skf21("4","7","1","7","2","4","5","1") = "6"
    & skf21("4","7","1","7","2","4","6","1") = "6"
    & skf21("4","7","1","7","2","4","7","1") = "6"
    & skf21("4","7","1","7","2","5","1","1") = "6"
    & skf21("4","7","1","7","2","5","2","1") = "6"
    & skf21("4","7","1","7","2","5","3","1") = "6"
    & skf21("4","7","1","7","2","5","4","1") = "6"
    & skf21("4","7","1","7","2","5","5","1") = "6"
    & skf21("4","7","1","7","2","5","6","1") = "6"
    & skf21("4","7","1","7","2","5","7","1") = "6"
    & skf21("4","7","1","7","2","6","1","1") = "6"
    & skf21("4","7","1","7","2","6","2","1") = "6"
    & skf21("4","7","1","7","2","6","3","1") = "6"
    & skf21("4","7","1","7","2","6","4","1") = "6"
    & skf21("4","7","1","7","2","6","5","1") = "6"
    & skf21("4","7","1","7","2","6","6","1") = "6"
    & skf21("4","7","1","7","2","6","7","1") = "6"
    & skf21("4","7","1","7","2","7","1","1") = "6"
    & skf21("4","7","1","7","2","7","2","1") = "6"
    & skf21("4","7","1","7","2","7","3","1") = "6"
    & skf21("4","7","1","7","2","7","4","1") = "6"
    & skf21("4","7","1","7","2","7","5","1") = "6"
    & skf21("4","7","1","7","2","7","6","1") = "6"
    & skf21("4","7","1","7","2","7","7","1") = "6"
    & skf21("4","7","1","7","3","1","1","1") = "6"
    & skf21("4","7","1","7","3","1","2","1") = "6"
    & skf21("4","7","1","7","3","1","3","1") = "6"
    & skf21("4","7","1","7","3","1","4","1") = "6"
    & skf21("4","7","1","7","3","1","5","1") = "6"
    & skf21("4","7","1","7","3","1","6","1") = "6"
    & skf21("4","7","1","7","3","1","7","1") = "6"
    & skf21("4","7","1","7","3","2","1","1") = "6"
    & skf21("4","7","1","7","3","2","2","1") = "6"
    & skf21("4","7","1","7","3","2","3","1") = "6"
    & skf21("4","7","1","7","3","2","4","1") = "6"
    & skf21("4","7","1","7","3","2","5","1") = "6"
    & skf21("4","7","1","7","3","2","6","1") = "6"
    & skf21("4","7","1","7","3","2","7","1") = "6"
    & skf21("4","7","1","7","3","3","1","1") = "6"
    & skf21("4","7","1","7","3","3","2","1") = "6"
    & skf21("4","7","1","7","3","3","3","1") = "6"
    & skf21("4","7","1","7","3","3","4","1") = "6"
    & skf21("4","7","1","7","3","3","5","1") = "6"
    & skf21("4","7","1","7","3","3","6","1") = "6"
    & skf21("4","7","1","7","3","3","7","1") = "6"
    & skf21("4","7","1","7","3","4","1","1") = "6"
    & skf21("4","7","1","7","3","4","2","1") = "6"
    & skf21("4","7","1","7","3","4","3","1") = "6"
    & skf21("4","7","1","7","3","4","4","1") = "6"
    & skf21("4","7","1","7","3","4","5","1") = "6"
    & skf21("4","7","1","7","3","4","6","1") = "6"
    & skf21("4","7","1","7","3","4","7","1") = "6"
    & skf21("4","7","1","7","3","5","1","1") = "6"
    & skf21("4","7","1","7","3","5","2","1") = "6"
    & skf21("4","7","1","7","3","5","3","1") = "6"
    & skf21("4","7","1","7","3","5","4","1") = "6"
    & skf21("4","7","1","7","3","5","5","1") = "6"
    & skf21("4","7","1","7","3","5","6","1") = "6"
    & skf21("4","7","1","7","3","5","7","1") = "6"
    & skf21("4","7","1","7","3","6","1","1") = "6"
    & skf21("4","7","1","7","3","6","2","1") = "6"
    & skf21("4","7","1","7","3","6","3","1") = "6"
    & skf21("4","7","1","7","3","6","4","1") = "6"
    & skf21("4","7","1","7","3","6","5","1") = "6"
    & skf21("4","7","1","7","3","6","6","1") = "6"
    & skf21("4","7","1","7","3","6","7","1") = "6"
    & skf21("4","7","1","7","3","7","1","1") = "6"
    & skf21("4","7","1","7","3","7","2","1") = "6"
    & skf21("4","7","1","7","3","7","3","1") = "6"
    & skf21("4","7","1","7","3","7","4","1") = "6"
    & skf21("4","7","1","7","3","7","5","1") = "6"
    & skf21("4","7","1","7","3","7","6","1") = "6"
    & skf21("4","7","1","7","3","7","7","1") = "6"
    & skf21("4","7","1","7","4","1","1","1") = "6"
    & skf21("4","7","1","7","4","1","2","1") = "6"
    & skf21("4","7","1","7","4","1","3","1") = "6"
    & skf21("4","7","1","7","4","1","4","1") = "6"
    & skf21("4","7","1","7","4","1","5","1") = "6"
    & skf21("4","7","1","7","4","1","6","1") = "6"
    & skf21("4","7","1","7","4","1","7","1") = "6"
    & skf21("4","7","1","7","4","2","1","1") = "6"
    & skf21("4","7","1","7","4","2","2","1") = "6"
    & skf21("4","7","1","7","4","2","3","1") = "6"
    & skf21("4","7","1","7","4","2","4","1") = "6"
    & skf21("4","7","1","7","4","2","5","1") = "6"
    & skf21("4","7","1","7","4","2","6","1") = "6"
    & skf21("4","7","1","7","4","2","7","1") = "6"
    & skf21("4","7","1","7","4","3","1","1") = "6"
    & skf21("4","7","1","7","4","3","2","1") = "6"
    & skf21("4","7","1","7","4","3","3","1") = "6"
    & skf21("4","7","1","7","4","3","4","1") = "6"
    & skf21("4","7","1","7","4","3","5","1") = "6"
    & skf21("4","7","1","7","4","3","6","1") = "6"
    & skf21("4","7","1","7","4","3","7","1") = "6"
    & skf21("4","7","1","7","4","4","1","1") = "6"
    & skf21("4","7","1","7","4","4","2","1") = "6"
    & skf21("4","7","1","7","4","4","3","1") = "6"
    & skf21("4","7","1","7","4","4","4","1") = "6"
    & skf21("4","7","1","7","4","4","5","1") = "6"
    & skf21("4","7","1","7","4","4","6","1") = "6"
    & skf21("4","7","1","7","4","4","7","1") = "6"
    & skf21("4","7","1","7","4","5","1","1") = "6"
    & skf21("4","7","1","7","4","5","2","1") = "6"
    & skf21("4","7","1","7","4","5","3","1") = "6"
    & skf21("4","7","1","7","4","5","4","1") = "6"
    & skf21("4","7","1","7","4","5","5","1") = "6"
    & skf21("4","7","1","7","4","5","6","1") = "6"
    & skf21("4","7","1","7","4","5","7","1") = "6"
    & skf21("4","7","1","7","4","6","1","1") = "6"
    & skf21("4","7","1","7","4","6","2","1") = "6"
    & skf21("4","7","1","7","4","6","3","1") = "6"
    & skf21("4","7","1","7","4","6","4","1") = "6"
    & skf21("4","7","1","7","4","6","5","1") = "6"
    & skf21("4","7","1","7","4","6","6","1") = "6"
    & skf21("4","7","1","7","4","6","7","1") = "6"
    & skf21("4","7","1","7","4","7","1","1") = "6"
    & skf21("4","7","1","7","4","7","2","1") = "6"
    & skf21("4","7","1","7","4","7","3","1") = "6"
    & skf21("4","7","1","7","4","7","4","1") = "6"
    & skf21("4","7","1","7","4","7","5","1") = "6"
    & skf21("4","7","1","7","4","7","6","1") = "6"
    & skf21("4","7","1","7","4","7","7","1") = "6"
    & skf21("4","7","1","7","5","1","1","1") = "6"
    & skf21("4","7","1","7","5","1","2","1") = "6"
    & skf21("4","7","1","7","5","1","3","1") = "6"
    & skf21("4","7","1","7","5","1","4","1") = "6"
    & skf21("4","7","1","7","5","1","5","1") = "6"
    & skf21("4","7","1","7","5","1","6","1") = "6"
    & skf21("4","7","1","7","5","1","7","1") = "6"
    & skf21("4","7","1","7","5","2","1","1") = "6"
    & skf21("4","7","1","7","5","2","2","1") = "6"
    & skf21("4","7","1","7","5","2","3","1") = "6"
    & skf21("4","7","1","7","5","2","4","1") = "6"
    & skf21("4","7","1","7","5","2","5","1") = "6"
    & skf21("4","7","1","7","5","2","6","1") = "6"
    & skf21("4","7","1","7","5","2","7","1") = "6"
    & skf21("4","7","1","7","5","3","1","1") = "6"
    & skf21("4","7","1","7","5","3","2","1") = "6"
    & skf21("4","7","1","7","5","3","3","1") = "6"
    & skf21("4","7","1","7","5","3","4","1") = "6"
    & skf21("4","7","1","7","5","3","5","1") = "6"
    & skf21("4","7","1","7","5","3","6","1") = "6"
    & skf21("4","7","1","7","5","3","7","1") = "6"
    & skf21("4","7","1","7","5","4","1","1") = "6"
    & skf21("4","7","1","7","5","4","2","1") = "6"
    & skf21("4","7","1","7","5","4","3","1") = "6"
    & skf21("4","7","1","7","5","4","4","1") = "6"
    & skf21("4","7","1","7","5","4","5","1") = "6"
    & skf21("4","7","1","7","5","4","6","1") = "6"
    & skf21("4","7","1","7","5","4","7","1") = "6"
    & skf21("4","7","1","7","5","5","1","1") = "6"
    & skf21("4","7","1","7","5","5","2","1") = "6"
    & skf21("4","7","1","7","5","5","3","1") = "6"
    & skf21("4","7","1","7","5","5","4","1") = "6"
    & skf21("4","7","1","7","5","5","5","1") = "6"
    & skf21("4","7","1","7","5","5","6","1") = "6"
    & skf21("4","7","1","7","5","5","7","1") = "6"
    & skf21("4","7","1","7","5","6","1","1") = "6"
    & skf21("4","7","1","7","5","6","2","1") = "6"
    & skf21("4","7","1","7","5","6","3","1") = "6"
    & skf21("4","7","1","7","5","6","4","1") = "6"
    & skf21("4","7","1","7","5","6","5","1") = "6"
    & skf21("4","7","1","7","5","6","6","1") = "6"
    & skf21("4","7","1","7","5","6","7","1") = "6"
    & skf21("4","7","1","7","5","7","1","1") = "6"
    & skf21("4","7","1","7","5","7","2","1") = "6"
    & skf21("4","7","1","7","5","7","3","1") = "6"
    & skf21("4","7","1","7","5","7","4","1") = "6"
    & skf21("4","7","1","7","5","7","5","1") = "6"
    & skf21("4","7","1","7","5","7","6","1") = "6"
    & skf21("4","7","1","7","5","7","7","1") = "6"
    & skf21("4","7","1","7","6","1","1","1") = "6"
    & skf21("4","7","1","7","6","1","2","1") = "6"
    & skf21("4","7","1","7","6","1","3","1") = "6"
    & skf21("4","7","1","7","6","1","4","1") = "6"
    & skf21("4","7","1","7","6","1","5","1") = "6"
    & skf21("4","7","1","7","6","1","6","1") = "6"
    & skf21("4","7","1","7","6","1","7","1") = "6"
    & skf21("4","7","1","7","6","2","1","1") = "6"
    & skf21("4","7","1","7","6","2","2","1") = "6"
    & skf21("4","7","1","7","6","2","3","1") = "6"
    & skf21("4","7","1","7","6","2","4","1") = "6"
    & skf21("4","7","1","7","6","2","5","1") = "6"
    & skf21("4","7","1","7","6","2","6","1") = "6"
    & skf21("4","7","1","7","6","2","7","1") = "6"
    & skf21("4","7","1","7","6","3","1","1") = "6"
    & skf21("4","7","1","7","6","3","2","1") = "6"
    & skf21("4","7","1","7","6","3","3","1") = "6"
    & skf21("4","7","1","7","6","3","4","1") = "6"
    & skf21("4","7","1","7","6","3","5","1") = "6"
    & skf21("4","7","1","7","6","3","6","1") = "6"
    & skf21("4","7","1","7","6","3","7","1") = "6"
    & skf21("4","7","1","7","6","4","1","1") = "6"
    & skf21("4","7","1","7","6","4","2","1") = "6"
    & skf21("4","7","1","7","6","4","3","1") = "6"
    & skf21("4","7","1","7","6","4","4","1") = "6"
    & skf21("4","7","1","7","6","4","5","1") = "6"
    & skf21("4","7","1","7","6","4","6","1") = "6"
    & skf21("4","7","1","7","6","4","7","1") = "6"
    & skf21("4","7","1","7","6","5","1","1") = "6"
    & skf21("4","7","1","7","6","5","2","1") = "6"
    & skf21("4","7","1","7","6","5","3","1") = "6"
    & skf21("4","7","1","7","6","5","4","1") = "6"
    & skf21("4","7","1","7","6","5","5","1") = "6"
    & skf21("4","7","1","7","6","5","6","1") = "6"
    & skf21("4","7","1","7","6","5","7","1") = "6"
    & skf21("4","7","1","7","6","6","1","1") = "6"
    & skf21("4","7","1","7","6","6","2","1") = "6"
    & skf21("4","7","1","7","6","6","3","1") = "6"
    & skf21("4","7","1","7","6","6","4","1") = "6"
    & skf21("4","7","1","7","6","6","5","1") = "6"
    & skf21("4","7","1","7","6","6","6","1") = "6"
    & skf21("4","7","1","7","6","6","7","1") = "6"
    & skf21("4","7","1","7","6","7","1","1") = "6"
    & skf21("4","7","1","7","6","7","2","1") = "6"
    & skf21("4","7","1","7","6","7","3","1") = "6"
    & skf21("4","7","1","7","6","7","4","1") = "6"
    & skf21("4","7","1","7","6","7","5","1") = "6"
    & skf21("4","7","1","7","6","7","6","1") = "6"
    & skf21("4","7","1","7","6","7","7","1") = "6"
    & skf21("4","7","1","7","7","1","1","1") = "6"
    & skf21("4","7","1","7","7","1","2","1") = "6"
    & skf21("4","7","1","7","7","1","3","1") = "6"
    & skf21("4","7","1","7","7","1","4","1") = "6"
    & skf21("4","7","1","7","7","1","5","1") = "6"
    & skf21("4","7","1","7","7","1","6","1") = "6"
    & skf21("4","7","1","7","7","1","7","1") = "6"
    & skf21("4","7","1","7","7","2","1","1") = "6"
    & skf21("4","7","1","7","7","2","2","1") = "6"
    & skf21("4","7","1","7","7","2","3","1") = "6"
    & skf21("4","7","1","7","7","2","4","1") = "6"
    & skf21("4","7","1","7","7","2","5","1") = "6"
    & skf21("4","7","1","7","7","2","6","1") = "6"
    & skf21("4","7","1","7","7","2","7","1") = "6"
    & skf21("4","7","1","7","7","3","1","1") = "6"
    & skf21("4","7","1","7","7","3","2","1") = "6"
    & skf21("4","7","1","7","7","3","3","1") = "6"
    & skf21("4","7","1","7","7","3","4","1") = "6"
    & skf21("4","7","1","7","7","3","5","1") = "6"
    & skf21("4","7","1","7","7","3","6","1") = "6"
    & skf21("4","7","1","7","7","3","7","1") = "6"
    & skf21("4","7","1","7","7","4","1","1") = "6"
    & skf21("4","7","1","7","7","4","2","1") = "6"
    & skf21("4","7","1","7","7","4","3","1") = "6"
    & skf21("4","7","1","7","7","4","4","1") = "6"
    & skf21("4","7","1","7","7","4","5","1") = "6"
    & skf21("4","7","1","7","7","4","6","1") = "6"
    & skf21("4","7","1","7","7","4","7","1") = "6"
    & skf21("4","7","1","7","7","5","1","1") = "6"
    & skf21("4","7","1","7","7","5","2","1") = "6"
    & skf21("4","7","1","7","7","5","3","1") = "6"
    & skf21("4","7","1","7","7","5","4","1") = "6"
    & skf21("4","7","1","7","7","5","5","1") = "6"
    & skf21("4","7","1","7","7","5","6","1") = "6"
    & skf21("4","7","1","7","7","5","7","1") = "6"
    & skf21("4","7","1","7","7","6","1","1") = "6"
    & skf21("4","7","1","7","7","6","2","1") = "6"
    & skf21("4","7","1","7","7","6","3","1") = "6"
    & skf21("4","7","1","7","7","6","4","1") = "6"
    & skf21("4","7","1","7","7","6","5","1") = "6"
    & skf21("4","7","1","7","7","6","6","1") = "6"
    & skf21("4","7","1","7","7","6","7","1") = "6"
    & skf21("4","7","1","7","7","7","1","1") = "6"
    & skf21("4","7","1","7","7","7","2","1") = "6"
    & skf21("4","7","1","7","7","7","3","1") = "6"
    & skf21("4","7","1","7","7","7","4","1") = "6"
    & skf21("4","7","1","7","7","7","5","1") = "6"
    & skf21("4","7","1","7","7","7","6","1") = "6"
    & skf21("4","7","1","7","7","7","7","1") = "6"
    & skf21("4","7","2","1","1","1","1","1") = "6"
    & skf21("4","7","2","1","1","1","2","1") = "6"
    & skf21("4","7","2","1","1","1","3","1") = "6"
    & skf21("4","7","2","1","1","1","4","1") = "6"
    & skf21("4","7","2","1","1","1","5","1") = "6"
    & skf21("4","7","2","1","1","1","6","1") = "6"
    & skf21("4","7","2","1","1","1","7","1") = "6"
    & skf21("4","7","2","1","1","2","1","1") = "6"
    & skf21("4","7","2","1","1","2","2","1") = "6"
    & skf21("4","7","2","1","1","2","3","1") = "6"
    & skf21("4","7","2","1","1","2","4","1") = "6"
    & skf21("4","7","2","1","1","2","5","1") = "6"
    & skf21("4","7","2","1","1","2","6","1") = "6"
    & skf21("4","7","2","1","1","2","7","1") = "6"
    & skf21("4","7","2","1","1","3","1","1") = "6"
    & skf21("4","7","2","1","1","3","2","1") = "6"
    & skf21("4","7","2","1","1","3","3","1") = "6"
    & skf21("4","7","2","1","1","3","4","1") = "6"
    & skf21("4","7","2","1","1","3","5","1") = "6"
    & skf21("4","7","2","1","1","3","6","1") = "6"
    & skf21("4","7","2","1","1","3","7","1") = "6"
    & skf21("4","7","2","1","1","4","1","1") = "6"
    & skf21("4","7","2","1","1","4","2","1") = "6"
    & skf21("4","7","2","1","1","4","3","1") = "6"
    & skf21("4","7","2","1","1","4","4","1") = "6"
    & skf21("4","7","2","1","1","4","5","1") = "6"
    & skf21("4","7","2","1","1","4","6","1") = "6"
    & skf21("4","7","2","1","1","4","7","1") = "6"
    & skf21("4","7","2","1","1","5","1","1") = "6"
    & skf21("4","7","2","1","1","5","2","1") = "6"
    & skf21("4","7","2","1","1","5","3","1") = "6"
    & skf21("4","7","2","1","1","5","4","1") = "6"
    & skf21("4","7","2","1","1","5","5","1") = "6"
    & skf21("4","7","2","1","1","5","6","1") = "6"
    & skf21("4","7","2","1","1","5","7","1") = "6"
    & skf21("4","7","2","1","1","6","1","1") = "6"
    & skf21("4","7","2","1","1","6","2","1") = "6"
    & skf21("4","7","2","1","1","6","3","1") = "6"
    & skf21("4","7","2","1","1","6","4","1") = "6"
    & skf21("4","7","2","1","1","6","5","1") = "6"
    & skf21("4","7","2","1","1","6","6","1") = "6"
    & skf21("4","7","2","1","1","6","7","1") = "6"
    & skf21("4","7","2","1","1","7","1","1") = "6"
    & skf21("4","7","2","1","1","7","2","1") = "6"
    & skf21("4","7","2","1","1","7","3","1") = "6"
    & skf21("4","7","2","1","1","7","4","1") = "6"
    & skf21("4","7","2","1","1","7","5","1") = "6"
    & skf21("4","7","2","1","1","7","6","1") = "6"
    & skf21("4","7","2","1","1","7","7","1") = "6"
    & skf21("4","7","2","1","2","1","1","1") = "6"
    & skf21("4","7","2","1","2","1","2","1") = "6"
    & skf21("4","7","2","1","2","1","3","1") = "6"
    & skf21("4","7","2","1","2","1","4","1") = "6"
    & skf21("4","7","2","1","2","1","5","1") = "6"
    & skf21("4","7","2","1","2","1","6","1") = "6"
    & skf21("4","7","2","1","2","1","7","1") = "6"
    & skf21("4","7","2","1","2","2","1","1") = "6"
    & skf21("4","7","2","1","2","2","2","1") = "6"
    & skf21("4","7","2","1","2","2","3","1") = "6"
    & skf21("4","7","2","1","2","2","4","1") = "6"
    & skf21("4","7","2","1","2","2","5","1") = "6"
    & skf21("4","7","2","1","2","2","6","1") = "6"
    & skf21("4","7","2","1","2","2","7","1") = "6"
    & skf21("4","7","2","1","2","3","1","1") = "6"
    & skf21("4","7","2","1","2","3","2","1") = "6"
    & skf21("4","7","2","1","2","3","3","1") = "6"
    & skf21("4","7","2","1","2","3","4","1") = "6"
    & skf21("4","7","2","1","2","3","5","1") = "6"
    & skf21("4","7","2","1","2","3","6","1") = "6"
    & skf21("4","7","2","1","2","3","7","1") = "6"
    & skf21("4","7","2","1","2","4","1","1") = "6"
    & skf21("4","7","2","1","2","4","2","1") = "6"
    & skf21("4","7","2","1","2","4","3","1") = "6"
    & skf21("4","7","2","1","2","4","4","1") = "6"
    & skf21("4","7","2","1","2","4","5","1") = "6"
    & skf21("4","7","2","1","2","4","6","1") = "6"
    & skf21("4","7","2","1","2","4","7","1") = "6"
    & skf21("4","7","2","1","2","5","1","1") = "6"
    & skf21("4","7","2","1","2","5","2","1") = "6"
    & skf21("4","7","2","1","2","5","3","1") = "6"
    & skf21("4","7","2","1","2","5","4","1") = "6"
    & skf21("4","7","2","1","2","5","5","1") = "6"
    & skf21("4","7","2","1","2","5","6","1") = "6"
    & skf21("4","7","2","1","2","5","7","1") = "6"
    & skf21("4","7","2","1","2","6","1","1") = "6"
    & skf21("4","7","2","1","2","6","2","1") = "6"
    & skf21("4","7","2","1","2","6","3","1") = "6"
    & skf21("4","7","2","1","2","6","4","1") = "6"
    & skf21("4","7","2","1","2","6","5","1") = "6"
    & skf21("4","7","2","1","2","6","6","1") = "6"
    & skf21("4","7","2","1","2","6","7","1") = "6"
    & skf21("4","7","2","1","2","7","1","1") = "6"
    & skf21("4","7","2","1","2","7","2","1") = "6"
    & skf21("4","7","2","1","2","7","3","1") = "6"
    & skf21("4","7","2","1","2","7","4","1") = "6"
    & skf21("4","7","2","1","2","7","5","1") = "6"
    & skf21("4","7","2","1","2","7","6","1") = "6"
    & skf21("4","7","2","1","2","7","7","1") = "6"
    & skf21("4","7","2","1","3","1","1","1") = "6"
    & skf21("4","7","2","1","3","1","2","1") = "6"
    & skf21("4","7","2","1","3","1","3","1") = "6"
    & skf21("4","7","2","1","3","1","4","1") = "6"
    & skf21("4","7","2","1","3","1","5","1") = "6"
    & skf21("4","7","2","1","3","1","6","1") = "6"
    & skf21("4","7","2","1","3","1","7","1") = "6"
    & skf21("4","7","2","1","3","2","1","1") = "6"
    & skf21("4","7","2","1","3","2","2","1") = "6"
    & skf21("4","7","2","1","3","2","3","1") = "6"
    & skf21("4","7","2","1","3","2","4","1") = "6"
    & skf21("4","7","2","1","3","2","5","1") = "6"
    & skf21("4","7","2","1","3","2","6","1") = "6"
    & skf21("4","7","2","1","3","2","7","1") = "6"
    & skf21("4","7","2","1","3","3","1","1") = "6"
    & skf21("4","7","2","1","3","3","2","1") = "6"
    & skf21("4","7","2","1","3","3","3","1") = "6"
    & skf21("4","7","2","1","3","3","4","1") = "6"
    & skf21("4","7","2","1","3","3","5","1") = "6"
    & skf21("4","7","2","1","3","3","6","1") = "6"
    & skf21("4","7","2","1","3","3","7","1") = "6"
    & skf21("4","7","2","1","3","4","1","1") = "6"
    & skf21("4","7","2","1","3","4","2","1") = "6"
    & skf21("4","7","2","1","3","4","3","1") = "6"
    & skf21("4","7","2","1","3","4","4","1") = "6"
    & skf21("4","7","2","1","3","4","5","1") = "6"
    & skf21("4","7","2","1","3","4","6","1") = "6"
    & skf21("4","7","2","1","3","4","7","1") = "6"
    & skf21("4","7","2","1","3","5","1","1") = "6"
    & skf21("4","7","2","1","3","5","2","1") = "6"
    & skf21("4","7","2","1","3","5","3","1") = "6"
    & skf21("4","7","2","1","3","5","4","1") = "6"
    & skf21("4","7","2","1","3","5","5","1") = "6"
    & skf21("4","7","2","1","3","5","6","1") = "6"
    & skf21("4","7","2","1","3","5","7","1") = "6"
    & skf21("4","7","2","1","3","6","1","1") = "6"
    & skf21("4","7","2","1","3","6","2","1") = "6"
    & skf21("4","7","2","1","3","6","3","1") = "6"
    & skf21("4","7","2","1","3","6","4","1") = "6"
    & skf21("4","7","2","1","3","6","5","1") = "6"
    & skf21("4","7","2","1","3","6","6","1") = "6"
    & skf21("4","7","2","1","3","6","7","1") = "6"
    & skf21("4","7","2","1","3","7","1","1") = "6"
    & skf21("4","7","2","1","3","7","2","1") = "6"
    & skf21("4","7","2","1","3","7","3","1") = "6"
    & skf21("4","7","2","1","3","7","4","1") = "6"
    & skf21("4","7","2","1","3","7","5","1") = "6"
    & skf21("4","7","2","1","3","7","6","1") = "6"
    & skf21("4","7","2","1","3","7","7","1") = "6"
    & skf21("4","7","2","1","4","1","1","1") = "6"
    & skf21("4","7","2","1","4","1","2","1") = "6"
    & skf21("4","7","2","1","4","1","3","1") = "6"
    & skf21("4","7","2","1","4","1","4","1") = "6"
    & skf21("4","7","2","1","4","1","5","1") = "6"
    & skf21("4","7","2","1","4","1","6","1") = "6"
    & skf21("4","7","2","1","4","1","7","1") = "6"
    & skf21("4","7","2","1","4","2","1","1") = "6"
    & skf21("4","7","2","1","4","2","2","1") = "6"
    & skf21("4","7","2","1","4","2","3","1") = "6"
    & skf21("4","7","2","1","4","2","4","1") = "6"
    & skf21("4","7","2","1","4","2","5","1") = "6"
    & skf21("4","7","2","1","4","2","6","1") = "6"
    & skf21("4","7","2","1","4","2","7","1") = "6"
    & skf21("4","7","2","1","4","3","1","1") = "6"
    & skf21("4","7","2","1","4","3","2","1") = "6"
    & skf21("4","7","2","1","4","3","3","1") = "6"
    & skf21("4","7","2","1","4","3","4","1") = "6"
    & skf21("4","7","2","1","4","3","5","1") = "6"
    & skf21("4","7","2","1","4","3","6","1") = "6"
    & skf21("4","7","2","1","4","3","7","1") = "6"
    & skf21("4","7","2","1","4","4","1","1") = "6"
    & skf21("4","7","2","1","4","4","2","1") = "6"
    & skf21("4","7","2","1","4","4","3","1") = "6"
    & skf21("4","7","2","1","4","4","4","1") = "6"
    & skf21("4","7","2","1","4","4","5","1") = "6"
    & skf21("4","7","2","1","4","4","6","1") = "6"
    & skf21("4","7","2","1","4","4","7","1") = "6"
    & skf21("4","7","2","1","4","5","1","1") = "6"
    & skf21("4","7","2","1","4","5","2","1") = "6"
    & skf21("4","7","2","1","4","5","3","1") = "6"
    & skf21("4","7","2","1","4","5","4","1") = "6"
    & skf21("4","7","2","1","4","5","5","1") = "6"
    & skf21("4","7","2","1","4","5","6","1") = "6"
    & skf21("4","7","2","1","4","5","7","1") = "6"
    & skf21("4","7","2","1","4","6","1","1") = "6"
    & skf21("4","7","2","1","4","6","2","1") = "6"
    & skf21("4","7","2","1","4","6","3","1") = "6"
    & skf21("4","7","2","1","4","6","4","1") = "6"
    & skf21("4","7","2","1","4","6","5","1") = "6"
    & skf21("4","7","2","1","4","6","6","1") = "6"
    & skf21("4","7","2","1","4","6","7","1") = "6"
    & skf21("4","7","2","1","4","7","1","1") = "6"
    & skf21("4","7","2","1","4","7","2","1") = "6"
    & skf21("4","7","2","1","4","7","3","1") = "6"
    & skf21("4","7","2","1","4","7","4","1") = "6"
    & skf21("4","7","2","1","4","7","5","1") = "6"
    & skf21("4","7","2","1","4","7","6","1") = "6"
    & skf21("4","7","2","1","4","7","7","1") = "6"
    & skf21("4","7","2","1","5","1","1","1") = "6"
    & skf21("4","7","2","1","5","1","2","1") = "6"
    & skf21("4","7","2","1","5","1","3","1") = "6"
    & skf21("4","7","2","1","5","1","4","1") = "6"
    & skf21("4","7","2","1","5","1","5","1") = "6"
    & skf21("4","7","2","1","5","1","6","1") = "6"
    & skf21("4","7","2","1","5","1","7","1") = "6"
    & skf21("4","7","2","1","5","2","1","1") = "6"
    & skf21("4","7","2","1","5","2","2","1") = "6"
    & skf21("4","7","2","1","5","2","3","1") = "6"
    & skf21("4","7","2","1","5","2","4","1") = "6"
    & skf21("4","7","2","1","5","2","5","1") = "6"
    & skf21("4","7","2","1","5","2","6","1") = "6"
    & skf21("4","7","2","1","5","2","7","1") = "6"
    & skf21("4","7","2","1","5","3","1","1") = "6"
    & skf21("4","7","2","1","5","3","2","1") = "6"
    & skf21("4","7","2","1","5","3","3","1") = "6"
    & skf21("4","7","2","1","5","3","4","1") = "6"
    & skf21("4","7","2","1","5","3","5","1") = "6"
    & skf21("4","7","2","1","5","3","6","1") = "6"
    & skf21("4","7","2","1","5","3","7","1") = "6"
    & skf21("4","7","2","1","5","4","1","1") = "6"
    & skf21("4","7","2","1","5","4","2","1") = "6"
    & skf21("4","7","2","1","5","4","3","1") = "6"
    & skf21("4","7","2","1","5","4","4","1") = "6"
    & skf21("4","7","2","1","5","4","5","1") = "6"
    & skf21("4","7","2","1","5","4","6","1") = "6"
    & skf21("4","7","2","1","5","4","7","1") = "6"
    & skf21("4","7","2","1","5","5","1","1") = "6"
    & skf21("4","7","2","1","5","5","2","1") = "6"
    & skf21("4","7","2","1","5","5","3","1") = "6"
    & skf21("4","7","2","1","5","5","4","1") = "6"
    & skf21("4","7","2","1","5","5","5","1") = "6"
    & skf21("4","7","2","1","5","5","6","1") = "6"
    & skf21("4","7","2","1","5","5","7","1") = "6"
    & skf21("4","7","2","1","5","6","1","1") = "6"
    & skf21("4","7","2","1","5","6","2","1") = "6"
    & skf21("4","7","2","1","5","6","3","1") = "6"
    & skf21("4","7","2","1","5","6","4","1") = "6"
    & skf21("4","7","2","1","5","6","5","1") = "6"
    & skf21("4","7","2","1","5","6","6","1") = "6"
    & skf21("4","7","2","1","5","6","7","1") = "6"
    & skf21("4","7","2","1","5","7","1","1") = "6"
    & skf21("4","7","2","1","5","7","2","1") = "6"
    & skf21("4","7","2","1","5","7","3","1") = "6"
    & skf21("4","7","2","1","5","7","4","1") = "6"
    & skf21("4","7","2","1","5","7","5","1") = "6"
    & skf21("4","7","2","1","5","7","6","1") = "6"
    & skf21("4","7","2","1","5","7","7","1") = "6"
    & skf21("4","7","2","1","6","1","1","1") = "6"
    & skf21("4","7","2","1","6","1","2","1") = "6"
    & skf21("4","7","2","1","6","1","3","1") = "6"
    & skf21("4","7","2","1","6","1","4","1") = "6"
    & skf21("4","7","2","1","6","1","5","1") = "6"
    & skf21("4","7","2","1","6","1","6","1") = "6"
    & skf21("4","7","2","1","6","1","7","1") = "6"
    & skf21("4","7","2","1","6","2","1","1") = "6"
    & skf21("4","7","2","1","6","2","2","1") = "6"
    & skf21("4","7","2","1","6","2","3","1") = "6"
    & skf21("4","7","2","1","6","2","4","1") = "6"
    & skf21("4","7","2","1","6","2","5","1") = "6"
    & skf21("4","7","2","1","6","2","6","1") = "6"
    & skf21("4","7","2","1","6","2","7","1") = "6"
    & skf21("4","7","2","1","6","3","1","1") = "6"
    & skf21("4","7","2","1","6","3","2","1") = "6"
    & skf21("4","7","2","1","6","3","3","1") = "6"
    & skf21("4","7","2","1","6","3","4","1") = "6"
    & skf21("4","7","2","1","6","3","5","1") = "6"
    & skf21("4","7","2","1","6","3","6","1") = "6"
    & skf21("4","7","2","1","6","3","7","1") = "6"
    & skf21("4","7","2","1","6","4","1","1") = "6"
    & skf21("4","7","2","1","6","4","2","1") = "6"
    & skf21("4","7","2","1","6","4","3","1") = "6"
    & skf21("4","7","2","1","6","4","4","1") = "6"
    & skf21("4","7","2","1","6","4","5","1") = "6"
    & skf21("4","7","2","1","6","4","6","1") = "6"
    & skf21("4","7","2","1","6","4","7","1") = "6"
    & skf21("4","7","2","1","6","5","1","1") = "6"
    & skf21("4","7","2","1","6","5","2","1") = "6"
    & skf21("4","7","2","1","6","5","3","1") = "6"
    & skf21("4","7","2","1","6","5","4","1") = "6"
    & skf21("4","7","2","1","6","5","5","1") = "6"
    & skf21("4","7","2","1","6","5","6","1") = "6"
    & skf21("4","7","2","1","6","5","7","1") = "6"
    & skf21("4","7","2","1","6","6","1","1") = "6"
    & skf21("4","7","2","1","6","6","2","1") = "6"
    & skf21("4","7","2","1","6","6","3","1") = "6"
    & skf21("4","7","2","1","6","6","4","1") = "6"
    & skf21("4","7","2","1","6","6","5","1") = "6"
    & skf21("4","7","2","1","6","6","6","1") = "6"
    & skf21("4","7","2","1","6","6","7","1") = "6"
    & skf21("4","7","2","1","6","7","1","1") = "6"
    & skf21("4","7","2","1","6","7","2","1") = "6"
    & skf21("4","7","2","1","6","7","3","1") = "6"
    & skf21("4","7","2","1","6","7","4","1") = "6"
    & skf21("4","7","2","1","6","7","5","1") = "6"
    & skf21("4","7","2","1","6","7","6","1") = "6"
    & skf21("4","7","2","1","6","7","7","1") = "6"
    & skf21("4","7","2","1","7","1","1","1") = "6"
    & skf21("4","7","2","1","7","1","2","1") = "6"
    & skf21("4","7","2","1","7","1","3","1") = "6"
    & skf21("4","7","2","1","7","1","4","1") = "6"
    & skf21("4","7","2","1","7","1","5","1") = "6"
    & skf21("4","7","2","1","7","1","6","1") = "6"
    & skf21("4","7","2","1","7","1","7","1") = "6"
    & skf21("4","7","2","1","7","2","1","1") = "6"
    & skf21("4","7","2","1","7","2","2","1") = "6"
    & skf21("4","7","2","1","7","2","3","1") = "6"
    & skf21("4","7","2","1","7","2","4","1") = "6"
    & skf21("4","7","2","1","7","2","5","1") = "6"
    & skf21("4","7","2","1","7","2","6","1") = "6"
    & skf21("4","7","2","1","7","2","7","1") = "6"
    & skf21("4","7","2","1","7","3","1","1") = "6"
    & skf21("4","7","2","1","7","3","2","1") = "6"
    & skf21("4","7","2","1","7","3","3","1") = "6"
    & skf21("4","7","2","1","7","3","4","1") = "6"
    & skf21("4","7","2","1","7","3","5","1") = "6"
    & skf21("4","7","2","1","7","3","6","1") = "6"
    & skf21("4","7","2","1","7","3","7","1") = "6"
    & skf21("4","7","2","1","7","4","1","1") = "6"
    & skf21("4","7","2","1","7","4","2","1") = "6"
    & skf21("4","7","2","1","7","4","3","1") = "6"
    & skf21("4","7","2","1","7","4","4","1") = "6"
    & skf21("4","7","2","1","7","4","5","1") = "6"
    & skf21("4","7","2","1","7","4","6","1") = "6"
    & skf21("4","7","2","1","7","4","7","1") = "6"
    & skf21("4","7","2","1","7","5","1","1") = "6"
    & skf21("4","7","2","1","7","5","2","1") = "6"
    & skf21("4","7","2","1","7","5","3","1") = "6"
    & skf21("4","7","2","1","7","5","4","1") = "6"
    & skf21("4","7","2","1","7","5","5","1") = "6"
    & skf21("4","7","2","1","7","5","6","1") = "6"
    & skf21("4","7","2","1","7","5","7","1") = "6"
    & skf21("4","7","2","1","7","6","1","1") = "6"
    & skf21("4","7","2","1","7","6","2","1") = "6"
    & skf21("4","7","2","1","7","6","3","1") = "6"
    & skf21("4","7","2","1","7","6","4","1") = "6"
    & skf21("4","7","2","1","7","6","5","1") = "6"
    & skf21("4","7","2","1","7","6","6","1") = "6"
    & skf21("4","7","2","1","7","6","7","1") = "6"
    & skf21("4","7","2","1","7","7","1","1") = "6"
    & skf21("4","7","2","1","7","7","2","1") = "6"
    & skf21("4","7","2","1","7","7","3","1") = "6"
    & skf21("4","7","2","1","7","7","4","1") = "6"
    & skf21("4","7","2","1","7","7","5","1") = "6"
    & skf21("4","7","2","1","7","7","6","1") = "6"
    & skf21("4","7","2","1","7","7","7","1") = "6"
    & skf21("4","7","2","2","1","1","1","1") = "6"
    & skf21("4","7","2","2","1","1","2","1") = "6"
    & skf21("4","7","2","2","1","1","3","1") = "6"
    & skf21("4","7","2","2","1","1","4","1") = "6"
    & skf21("4","7","2","2","1","1","5","1") = "6"
    & skf21("4","7","2","2","1","1","6","1") = "6"
    & skf21("4","7","2","2","1","1","7","1") = "6"
    & skf21("4","7","2","2","1","2","1","1") = "6"
    & skf21("4","7","2","2","1","2","2","1") = "6"
    & skf21("4","7","2","2","1","2","3","1") = "6"
    & skf21("4","7","2","2","1","2","4","1") = "6"
    & skf21("4","7","2","2","1","2","5","1") = "6"
    & skf21("4","7","2","2","1","2","6","1") = "6"
    & skf21("4","7","2","2","1","2","7","1") = "6"
    & skf21("4","7","2","2","1","3","1","1") = "6"
    & skf21("4","7","2","2","1","3","2","1") = "6"
    & skf21("4","7","2","2","1","3","3","1") = "6"
    & skf21("4","7","2","2","1","3","4","1") = "6"
    & skf21("4","7","2","2","1","3","5","1") = "6"
    & skf21("4","7","2","2","1","3","6","1") = "6"
    & skf21("4","7","2","2","1","3","7","1") = "6"
    & skf21("4","7","2","2","1","4","1","1") = "6"
    & skf21("4","7","2","2","1","4","2","1") = "6"
    & skf21("4","7","2","2","1","4","3","1") = "6"
    & skf21("4","7","2","2","1","4","4","1") = "6"
    & skf21("4","7","2","2","1","4","5","1") = "6"
    & skf21("4","7","2","2","1","4","6","1") = "6"
    & skf21("4","7","2","2","1","4","7","1") = "6"
    & skf21("4","7","2","2","1","5","1","1") = "6"
    & skf21("4","7","2","2","1","5","2","1") = "6"
    & skf21("4","7","2","2","1","5","3","1") = "6"
    & skf21("4","7","2","2","1","5","4","1") = "6"
    & skf21("4","7","2","2","1","5","5","1") = "6"
    & skf21("4","7","2","2","1","5","6","1") = "6"
    & skf21("4","7","2","2","1","5","7","1") = "6"
    & skf21("4","7","2","2","1","6","1","1") = "6"
    & skf21("4","7","2","2","1","6","2","1") = "6"
    & skf21("4","7","2","2","1","6","3","1") = "6"
    & skf21("4","7","2","2","1","6","4","1") = "6"
    & skf21("4","7","2","2","1","6","5","1") = "6"
    & skf21("4","7","2","2","1","6","6","1") = "6"
    & skf21("4","7","2","2","1","6","7","1") = "6"
    & skf21("4","7","2","2","1","7","1","1") = "6"
    & skf21("4","7","2","2","1","7","2","1") = "6"
    & skf21("4","7","2","2","1","7","3","1") = "6"
    & skf21("4","7","2","2","1","7","4","1") = "6"
    & skf21("4","7","2","2","1","7","5","1") = "6"
    & skf21("4","7","2","2","1","7","6","1") = "6"
    & skf21("4","7","2","2","1","7","7","1") = "6"
    & skf21("4","7","2","2","2","1","1","1") = "6"
    & skf21("4","7","2","2","2","1","2","1") = "6"
    & skf21("4","7","2","2","2","1","3","1") = "6"
    & skf21("4","7","2","2","2","1","4","1") = "6"
    & skf21("4","7","2","2","2","1","5","1") = "6"
    & skf21("4","7","2","2","2","1","6","1") = "6"
    & skf21("4","7","2","2","2","1","7","1") = "6"
    & skf21("4","7","2","2","2","2","1","1") = "6"
    & skf21("4","7","2","2","2","2","2","1") = "6"
    & skf21("4","7","2","2","2","2","3","1") = "6"
    & skf21("4","7","2","2","2","2","4","1") = "6"
    & skf21("4","7","2","2","2","2","5","1") = "6"
    & skf21("4","7","2","2","2","2","6","1") = "6"
    & skf21("4","7","2","2","2","2","7","1") = "6"
    & skf21("4","7","2","2","2","3","1","1") = "6"
    & skf21("4","7","2","2","2","3","2","1") = "6"
    & skf21("4","7","2","2","2","3","3","1") = "6"
    & skf21("4","7","2","2","2","3","4","1") = "6"
    & skf21("4","7","2","2","2","3","5","1") = "6"
    & skf21("4","7","2","2","2","3","6","1") = "6"
    & skf21("4","7","2","2","2","3","7","1") = "6"
    & skf21("4","7","2","2","2","4","1","1") = "6"
    & skf21("4","7","2","2","2","4","2","1") = "6"
    & skf21("4","7","2","2","2","4","3","1") = "6"
    & skf21("4","7","2","2","2","4","4","1") = "6"
    & skf21("4","7","2","2","2","4","5","1") = "6"
    & skf21("4","7","2","2","2","4","6","1") = "6"
    & skf21("4","7","2","2","2","4","7","1") = "6"
    & skf21("4","7","2","2","2","5","1","1") = "6"
    & skf21("4","7","2","2","2","5","2","1") = "6"
    & skf21("4","7","2","2","2","5","3","1") = "6"
    & skf21("4","7","2","2","2","5","4","1") = "6"
    & skf21("4","7","2","2","2","5","5","1") = "6"
    & skf21("4","7","2","2","2","5","6","1") = "6"
    & skf21("4","7","2","2","2","5","7","1") = "6"
    & skf21("4","7","2","2","2","6","1","1") = "6"
    & skf21("4","7","2","2","2","6","2","1") = "6"
    & skf21("4","7","2","2","2","6","3","1") = "6"
    & skf21("4","7","2","2","2","6","4","1") = "6"
    & skf21("4","7","2","2","2","6","5","1") = "6"
    & skf21("4","7","2","2","2","6","6","1") = "6"
    & skf21("4","7","2","2","2","6","7","1") = "6"
    & skf21("4","7","2","2","2","7","1","1") = "6"
    & skf21("4","7","2","2","2","7","2","1") = "6"
    & skf21("4","7","2","2","2","7","3","1") = "6"
    & skf21("4","7","2","2","2","7","4","1") = "6"
    & skf21("4","7","2","2","2","7","5","1") = "6"
    & skf21("4","7","2","2","2","7","6","1") = "6"
    & skf21("4","7","2","2","2","7","7","1") = "6"
    & skf21("4","7","2","2","3","1","1","1") = "6"
    & skf21("4","7","2","2","3","1","2","1") = "6"
    & skf21("4","7","2","2","3","1","3","1") = "6"
    & skf21("4","7","2","2","3","1","4","1") = "6"
    & skf21("4","7","2","2","3","1","5","1") = "6"
    & skf21("4","7","2","2","3","1","6","1") = "6"
    & skf21("4","7","2","2","3","1","7","1") = "6"
    & skf21("4","7","2","2","3","2","1","1") = "6"
    & skf21("4","7","2","2","3","2","2","1") = "6"
    & skf21("4","7","2","2","3","2","3","1") = "6"
    & skf21("4","7","2","2","3","2","4","1") = "6"
    & skf21("4","7","2","2","3","2","5","1") = "6"
    & skf21("4","7","2","2","3","2","6","1") = "6"
    & skf21("4","7","2","2","3","2","7","1") = "6"
    & skf21("4","7","2","2","3","3","1","1") = "6"
    & skf21("4","7","2","2","3","3","2","1") = "6"
    & skf21("4","7","2","2","3","3","3","1") = "6"
    & skf21("4","7","2","2","3","3","4","1") = "6"
    & skf21("4","7","2","2","3","3","5","1") = "6"
    & skf21("4","7","2","2","3","3","6","1") = "6"
    & skf21("4","7","2","2","3","3","7","1") = "6"
    & skf21("4","7","2","2","3","4","1","1") = "6"
    & skf21("4","7","2","2","3","4","2","1") = "6"
    & skf21("4","7","2","2","3","4","3","1") = "6"
    & skf21("4","7","2","2","3","4","4","1") = "6"
    & skf21("4","7","2","2","3","4","5","1") = "6"
    & skf21("4","7","2","2","3","4","6","1") = "6"
    & skf21("4","7","2","2","3","4","7","1") = "6"
    & skf21("4","7","2","2","3","5","1","1") = "6"
    & skf21("4","7","2","2","3","5","2","1") = "6"
    & skf21("4","7","2","2","3","5","3","1") = "6"
    & skf21("4","7","2","2","3","5","4","1") = "6"
    & skf21("4","7","2","2","3","5","5","1") = "6"
    & skf21("4","7","2","2","3","5","6","1") = "6"
    & skf21("4","7","2","2","3","5","7","1") = "6"
    & skf21("4","7","2","2","3","6","1","1") = "6"
    & skf21("4","7","2","2","3","6","2","1") = "6"
    & skf21("4","7","2","2","3","6","3","1") = "6"
    & skf21("4","7","2","2","3","6","4","1") = "6"
    & skf21("4","7","2","2","3","6","5","1") = "6"
    & skf21("4","7","2","2","3","6","6","1") = "6"
    & skf21("4","7","2","2","3","6","7","1") = "6"
    & skf21("4","7","2","2","3","7","1","1") = "6"
    & skf21("4","7","2","2","3","7","2","1") = "6"
    & skf21("4","7","2","2","3","7","3","1") = "6"
    & skf21("4","7","2","2","3","7","4","1") = "6"
    & skf21("4","7","2","2","3","7","5","1") = "6"
    & skf21("4","7","2","2","3","7","6","1") = "6"
    & skf21("4","7","2","2","3","7","7","1") = "6"
    & skf21("4","7","2","2","4","1","1","1") = "6"
    & skf21("4","7","2","2","4","1","2","1") = "6"
    & skf21("4","7","2","2","4","1","3","1") = "6"
    & skf21("4","7","2","2","4","1","4","1") = "6"
    & skf21("4","7","2","2","4","1","5","1") = "6"
    & skf21("4","7","2","2","4","1","6","1") = "6"
    & skf21("4","7","2","2","4","1","7","1") = "6"
    & skf21("4","7","2","2","4","2","1","1") = "6"
    & skf21("4","7","2","2","4","2","2","1") = "6"
    & skf21("4","7","2","2","4","2","3","1") = "6"
    & skf21("4","7","2","2","4","2","4","1") = "6"
    & skf21("4","7","2","2","4","2","5","1") = "6"
    & skf21("4","7","2","2","4","2","6","1") = "6"
    & skf21("4","7","2","2","4","2","7","1") = "6"
    & skf21("4","7","2","2","4","3","1","1") = "6"
    & skf21("4","7","2","2","4","3","2","1") = "6"
    & skf21("4","7","2","2","4","3","3","1") = "6"
    & skf21("4","7","2","2","4","3","4","1") = "6"
    & skf21("4","7","2","2","4","3","5","1") = "6"
    & skf21("4","7","2","2","4","3","6","1") = "6"
    & skf21("4","7","2","2","4","3","7","1") = "6"
    & skf21("4","7","2","2","4","4","1","1") = "6"
    & skf21("4","7","2","2","4","4","2","1") = "6"
    & skf21("4","7","2","2","4","4","3","1") = "6"
    & skf21("4","7","2","2","4","4","4","1") = "6"
    & skf21("4","7","2","2","4","4","5","1") = "6"
    & skf21("4","7","2","2","4","4","6","1") = "6"
    & skf21("4","7","2","2","4","4","7","1") = "6"
    & skf21("4","7","2","2","4","5","1","1") = "6"
    & skf21("4","7","2","2","4","5","2","1") = "6"
    & skf21("4","7","2","2","4","5","3","1") = "6"
    & skf21("4","7","2","2","4","5","4","1") = "6"
    & skf21("4","7","2","2","4","5","5","1") = "6"
    & skf21("4","7","2","2","4","5","6","1") = "6"
    & skf21("4","7","2","2","4","5","7","1") = "6"
    & skf21("4","7","2","2","4","6","1","1") = "6"
    & skf21("4","7","2","2","4","6","2","1") = "6"
    & skf21("4","7","2","2","4","6","3","1") = "6"
    & skf21("4","7","2","2","4","6","4","1") = "6"
    & skf21("4","7","2","2","4","6","5","1") = "6"
    & skf21("4","7","2","2","4","6","6","1") = "6"
    & skf21("4","7","2","2","4","6","7","1") = "6"
    & skf21("4","7","2","2","4","7","1","1") = "6"
    & skf21("4","7","2","2","4","7","2","1") = "6"
    & skf21("4","7","2","2","4","7","3","1") = "6"
    & skf21("4","7","2","2","4","7","4","1") = "6"
    & skf21("4","7","2","2","4","7","5","1") = "6"
    & skf21("4","7","2","2","4","7","6","1") = "6"
    & skf21("4","7","2","2","4","7","7","1") = "6"
    & skf21("4","7","2","2","5","1","1","1") = "6"
    & skf21("4","7","2","2","5","1","2","1") = "6"
    & skf21("4","7","2","2","5","1","3","1") = "6"
    & skf21("4","7","2","2","5","1","4","1") = "6"
    & skf21("4","7","2","2","5","1","5","1") = "6"
    & skf21("4","7","2","2","5","1","6","1") = "6"
    & skf21("4","7","2","2","5","1","7","1") = "6"
    & skf21("4","7","2","2","5","2","1","1") = "6"
    & skf21("4","7","2","2","5","2","2","1") = "6"
    & skf21("4","7","2","2","5","2","3","1") = "6"
    & skf21("4","7","2","2","5","2","4","1") = "6"
    & skf21("4","7","2","2","5","2","5","1") = "6"
    & skf21("4","7","2","2","5","2","6","1") = "6"
    & skf21("4","7","2","2","5","2","7","1") = "6"
    & skf21("4","7","2","2","5","3","1","1") = "6"
    & skf21("4","7","2","2","5","3","2","1") = "6"
    & skf21("4","7","2","2","5","3","3","1") = "6"
    & skf21("4","7","2","2","5","3","4","1") = "6"
    & skf21("4","7","2","2","5","3","5","1") = "6"
    & skf21("4","7","2","2","5","3","6","1") = "6"
    & skf21("4","7","2","2","5","3","7","1") = "6"
    & skf21("4","7","2","2","5","4","1","1") = "6"
    & skf21("4","7","2","2","5","4","2","1") = "6"
    & skf21("4","7","2","2","5","4","3","1") = "6"
    & skf21("4","7","2","2","5","4","4","1") = "6"
    & skf21("4","7","2","2","5","4","5","1") = "6"
    & skf21("4","7","2","2","5","4","6","1") = "6"
    & skf21("4","7","2","2","5","4","7","1") = "6"
    & skf21("4","7","2","2","5","5","1","1") = "6"
    & skf21("4","7","2","2","5","5","2","1") = "6"
    & skf21("4","7","2","2","5","5","3","1") = "6"
    & skf21("4","7","2","2","5","5","4","1") = "6"
    & skf21("4","7","2","2","5","5","5","1") = "6"
    & skf21("4","7","2","2","5","5","6","1") = "6"
    & skf21("4","7","2","2","5","5","7","1") = "6"
    & skf21("4","7","2","2","5","6","1","1") = "6"
    & skf21("4","7","2","2","5","6","2","1") = "6"
    & skf21("4","7","2","2","5","6","3","1") = "6"
    & skf21("4","7","2","2","5","6","4","1") = "6"
    & skf21("4","7","2","2","5","6","5","1") = "6"
    & skf21("4","7","2","2","5","6","6","1") = "6"
    & skf21("4","7","2","2","5","6","7","1") = "6"
    & skf21("4","7","2","2","5","7","1","1") = "6"
    & skf21("4","7","2","2","5","7","2","1") = "6"
    & skf21("4","7","2","2","5","7","3","1") = "6"
    & skf21("4","7","2","2","5","7","4","1") = "6"
    & skf21("4","7","2","2","5","7","5","1") = "6"
    & skf21("4","7","2","2","5","7","6","1") = "6"
    & skf21("4","7","2","2","5","7","7","1") = "6"
    & skf21("4","7","2","2","6","1","1","1") = "6"
    & skf21("4","7","2","2","6","1","2","1") = "6"
    & skf21("4","7","2","2","6","1","3","1") = "6"
    & skf21("4","7","2","2","6","1","4","1") = "6"
    & skf21("4","7","2","2","6","1","5","1") = "6"
    & skf21("4","7","2","2","6","1","6","1") = "6"
    & skf21("4","7","2","2","6","1","7","1") = "6"
    & skf21("4","7","2","2","6","2","1","1") = "6"
    & skf21("4","7","2","2","6","2","2","1") = "6"
    & skf21("4","7","2","2","6","2","3","1") = "6"
    & skf21("4","7","2","2","6","2","4","1") = "6"
    & skf21("4","7","2","2","6","2","5","1") = "6"
    & skf21("4","7","2","2","6","2","6","1") = "6"
    & skf21("4","7","2","2","6","2","7","1") = "6"
    & skf21("4","7","2","2","6","3","1","1") = "6"
    & skf21("4","7","2","2","6","3","2","1") = "6"
    & skf21("4","7","2","2","6","3","3","1") = "6"
    & skf21("4","7","2","2","6","3","4","1") = "6"
    & skf21("4","7","2","2","6","3","5","1") = "6"
    & skf21("4","7","2","2","6","3","6","1") = "6"
    & skf21("4","7","2","2","6","3","7","1") = "6"
    & skf21("4","7","2","2","6","4","1","1") = "6"
    & skf21("4","7","2","2","6","4","2","1") = "6"
    & skf21("4","7","2","2","6","4","3","1") = "6"
    & skf21("4","7","2","2","6","4","4","1") = "6"
    & skf21("4","7","2","2","6","4","5","1") = "6"
    & skf21("4","7","2","2","6","4","6","1") = "6"
    & skf21("4","7","2","2","6","4","7","1") = "6"
    & skf21("4","7","2","2","6","5","1","1") = "6"
    & skf21("4","7","2","2","6","5","2","1") = "6"
    & skf21("4","7","2","2","6","5","3","1") = "6"
    & skf21("4","7","2","2","6","5","4","1") = "6"
    & skf21("4","7","2","2","6","5","5","1") = "6"
    & skf21("4","7","2","2","6","5","6","1") = "6"
    & skf21("4","7","2","2","6","5","7","1") = "6"
    & skf21("4","7","2","2","6","6","1","1") = "6"
    & skf21("4","7","2","2","6","6","2","1") = "6"
    & skf21("4","7","2","2","6","6","3","1") = "6"
    & skf21("4","7","2","2","6","6","4","1") = "6"
    & skf21("4","7","2","2","6","6","5","1") = "6"
    & skf21("4","7","2","2","6","6","6","1") = "6"
    & skf21("4","7","2","2","6","6","7","1") = "6"
    & skf21("4","7","2","2","6","7","1","1") = "6"
    & skf21("4","7","2","2","6","7","2","1") = "6"
    & skf21("4","7","2","2","6","7","3","1") = "6"
    & skf21("4","7","2","2","6","7","4","1") = "6"
    & skf21("4","7","2","2","6","7","5","1") = "6"
    & skf21("4","7","2","2","6","7","6","1") = "6"
    & skf21("4","7","2","2","6","7","7","1") = "6"
    & skf21("4","7","2","2","7","1","1","1") = "6"
    & skf21("4","7","2","2","7","1","2","1") = "6"
    & skf21("4","7","2","2","7","1","3","1") = "6"
    & skf21("4","7","2","2","7","1","4","1") = "6"
    & skf21("4","7","2","2","7","1","5","1") = "6"
    & skf21("4","7","2","2","7","1","6","1") = "6"
    & skf21("4","7","2","2","7","1","7","1") = "6"
    & skf21("4","7","2","2","7","2","1","1") = "6"
    & skf21("4","7","2","2","7","2","2","1") = "6"
    & skf21("4","7","2","2","7","2","3","1") = "6"
    & skf21("4","7","2","2","7","2","4","1") = "6"
    & skf21("4","7","2","2","7","2","5","1") = "6"
    & skf21("4","7","2","2","7","2","6","1") = "6"
    & skf21("4","7","2","2","7","2","7","1") = "6"
    & skf21("4","7","2","2","7","3","1","1") = "6"
    & skf21("4","7","2","2","7","3","2","1") = "6"
    & skf21("4","7","2","2","7","3","3","1") = "6"
    & skf21("4","7","2","2","7","3","4","1") = "6"
    & skf21("4","7","2","2","7","3","5","1") = "6"
    & skf21("4","7","2","2","7","3","6","1") = "6"
    & skf21("4","7","2","2","7","3","7","1") = "6"
    & skf21("4","7","2","2","7","4","1","1") = "6"
    & skf21("4","7","2","2","7","4","2","1") = "6"
    & skf21("4","7","2","2","7","4","3","1") = "6"
    & skf21("4","7","2","2","7","4","4","1") = "6"
    & skf21("4","7","2","2","7","4","5","1") = "6"
    & skf21("4","7","2","2","7","4","6","1") = "6"
    & skf21("4","7","2","2","7","4","7","1") = "6"
    & skf21("4","7","2","2","7","5","1","1") = "6"
    & skf21("4","7","2","2","7","5","2","1") = "6"
    & skf21("4","7","2","2","7","5","3","1") = "6"
    & skf21("4","7","2","2","7","5","4","1") = "6"
    & skf21("4","7","2","2","7","5","5","1") = "6"
    & skf21("4","7","2","2","7","5","6","1") = "6"
    & skf21("4","7","2","2","7","5","7","1") = "6"
    & skf21("4","7","2","2","7","6","1","1") = "6"
    & skf21("4","7","2","2","7","6","2","1") = "6"
    & skf21("4","7","2","2","7","6","3","1") = "6"
    & skf21("4","7","2","2","7","6","4","1") = "6"
    & skf21("4","7","2","2","7","6","5","1") = "6"
    & skf21("4","7","2","2","7","6","6","1") = "6"
    & skf21("4","7","2","2","7","6","7","1") = "6"
    & skf21("4","7","2","2","7","7","1","1") = "6"
    & skf21("4","7","2","2","7","7","2","1") = "6"
    & skf21("4","7","2","2","7","7","3","1") = "6"
    & skf21("4","7","2","2","7","7","4","1") = "6"
    & skf21("4","7","2","2","7","7","5","1") = "6"
    & skf21("4","7","2","2","7","7","6","1") = "6"
    & skf21("4","7","2","2","7","7","7","1") = "6"
    & skf21("4","7","2","3","1","1","1","1") = "6"
    & skf21("4","7","2","3","1","1","2","1") = "6"
    & skf21("4","7","2","3","1","1","3","1") = "6"
    & skf21("4","7","2","3","1","1","4","1") = "6"
    & skf21("4","7","2","3","1","1","5","1") = "6"
    & skf21("4","7","2","3","1","1","6","1") = "6"
    & skf21("4","7","2","3","1","1","7","1") = "6"
    & skf21("4","7","2","3","1","2","1","1") = "6"
    & skf21("4","7","2","3","1","2","2","1") = "6"
    & skf21("4","7","2","3","1","2","3","1") = "6"
    & skf21("4","7","2","3","1","2","4","1") = "6"
    & skf21("4","7","2","3","1","2","5","1") = "6"
    & skf21("4","7","2","3","1","2","6","1") = "6"
    & skf21("4","7","2","3","1","2","7","1") = "6"
    & skf21("4","7","2","3","1","3","1","1") = "6"
    & skf21("4","7","2","3","1","3","2","1") = "6"
    & skf21("4","7","2","3","1","3","3","1") = "6"
    & skf21("4","7","2","3","1","3","4","1") = "6"
    & skf21("4","7","2","3","1","3","5","1") = "6"
    & skf21("4","7","2","3","1","3","6","1") = "6"
    & skf21("4","7","2","3","1","3","7","1") = "6"
    & skf21("4","7","2","3","1","4","1","1") = "6"
    & skf21("4","7","2","3","1","4","2","1") = "6"
    & skf21("4","7","2","3","1","4","3","1") = "6"
    & skf21("4","7","2","3","1","4","4","1") = "6"
    & skf21("4","7","2","3","1","4","5","1") = "6"
    & skf21("4","7","2","3","1","4","6","1") = "6"
    & skf21("4","7","2","3","1","4","7","1") = "6"
    & skf21("4","7","2","3","1","5","1","1") = "6"
    & skf21("4","7","2","3","1","5","2","1") = "6"
    & skf21("4","7","2","3","1","5","3","1") = "6"
    & skf21("4","7","2","3","1","5","4","1") = "6"
    & skf21("4","7","2","3","1","5","5","1") = "6"
    & skf21("4","7","2","3","1","5","6","1") = "6"
    & skf21("4","7","2","3","1","5","7","1") = "6"
    & skf21("4","7","2","3","1","6","1","1") = "6"
    & skf21("4","7","2","3","1","6","2","1") = "6"
    & skf21("4","7","2","3","1","6","3","1") = "6"
    & skf21("4","7","2","3","1","6","4","1") = "6"
    & skf21("4","7","2","3","1","6","5","1") = "6"
    & skf21("4","7","2","3","1","6","6","1") = "6"
    & skf21("4","7","2","3","1","6","7","1") = "6"
    & skf21("4","7","2","3","1","7","1","1") = "6"
    & skf21("4","7","2","3","1","7","2","1") = "6"
    & skf21("4","7","2","3","1","7","3","1") = "6"
    & skf21("4","7","2","3","1","7","4","1") = "6"
    & skf21("4","7","2","3","1","7","5","1") = "6"
    & skf21("4","7","2","3","1","7","6","1") = "6"
    & skf21("4","7","2","3","1","7","7","1") = "6"
    & skf21("4","7","2","3","2","1","1","1") = "6"
    & skf21("4","7","2","3","2","1","2","1") = "6"
    & skf21("4","7","2","3","2","1","3","1") = "6"
    & skf21("4","7","2","3","2","1","4","1") = "6"
    & skf21("4","7","2","3","2","1","5","1") = "6"
    & skf21("4","7","2","3","2","1","6","1") = "6"
    & skf21("4","7","2","3","2","1","7","1") = "6"
    & skf21("4","7","2","3","2","2","1","1") = "6"
    & skf21("4","7","2","3","2","2","2","1") = "6"
    & skf21("4","7","2","3","2","2","3","1") = "6"
    & skf21("4","7","2","3","2","2","4","1") = "6"
    & skf21("4","7","2","3","2","2","5","1") = "6"
    & skf21("4","7","2","3","2","2","6","1") = "6"
    & skf21("4","7","2","3","2","2","7","1") = "6"
    & skf21("4","7","2","3","2","3","1","1") = "6"
    & skf21("4","7","2","3","2","3","2","1") = "6"
    & skf21("4","7","2","3","2","3","3","1") = "6"
    & skf21("4","7","2","3","2","3","4","1") = "6"
    & skf21("4","7","2","3","2","3","5","1") = "6"
    & skf21("4","7","2","3","2","3","6","1") = "6"
    & skf21("4","7","2","3","2","3","7","1") = "6"
    & skf21("4","7","2","3","2","4","1","1") = "6"
    & skf21("4","7","2","3","2","4","2","1") = "6"
    & skf21("4","7","2","3","2","4","3","1") = "6"
    & skf21("4","7","2","3","2","4","4","1") = "6"
    & skf21("4","7","2","3","2","4","5","1") = "6"
    & skf21("4","7","2","3","2","4","6","1") = "6"
    & skf21("4","7","2","3","2","4","7","1") = "6"
    & skf21("4","7","2","3","2","5","1","1") = "6"
    & skf21("4","7","2","3","2","5","2","1") = "6"
    & skf21("4","7","2","3","2","5","3","1") = "6"
    & skf21("4","7","2","3","2","5","4","1") = "6"
    & skf21("4","7","2","3","2","5","5","1") = "6"
    & skf21("4","7","2","3","2","5","6","1") = "6"
    & skf21("4","7","2","3","2","5","7","1") = "6"
    & skf21("4","7","2","3","2","6","1","1") = "6"
    & skf21("4","7","2","3","2","6","2","1") = "6"
    & skf21("4","7","2","3","2","6","3","1") = "6"
    & skf21("4","7","2","3","2","6","4","1") = "6"
    & skf21("4","7","2","3","2","6","5","1") = "6"
    & skf21("4","7","2","3","2","6","6","1") = "6"
    & skf21("4","7","2","3","2","6","7","1") = "6"
    & skf21("4","7","2","3","2","7","1","1") = "6"
    & skf21("4","7","2","3","2","7","2","1") = "6"
    & skf21("4","7","2","3","2","7","3","1") = "6"
    & skf21("4","7","2","3","2","7","4","1") = "6"
    & skf21("4","7","2","3","2","7","5","1") = "6"
    & skf21("4","7","2","3","2","7","6","1") = "6"
    & skf21("4","7","2","3","2","7","7","1") = "6"
    & skf21("4","7","2","3","3","1","1","1") = "6"
    & skf21("4","7","2","3","3","1","2","1") = "6"
    & skf21("4","7","2","3","3","1","3","1") = "6"
    & skf21("4","7","2","3","3","1","4","1") = "6"
    & skf21("4","7","2","3","3","1","5","1") = "6"
    & skf21("4","7","2","3","3","1","6","1") = "6"
    & skf21("4","7","2","3","3","1","7","1") = "6"
    & skf21("4","7","2","3","3","2","1","1") = "6"
    & skf21("4","7","2","3","3","2","2","1") = "6"
    & skf21("4","7","2","3","3","2","3","1") = "6"
    & skf21("4","7","2","3","3","2","4","1") = "6"
    & skf21("4","7","2","3","3","2","5","1") = "6"
    & skf21("4","7","2","3","3","2","6","1") = "6"
    & skf21("4","7","2","3","3","2","7","1") = "6"
    & skf21("4","7","2","3","3","3","1","1") = "6"
    & skf21("4","7","2","3","3","3","2","1") = "6"
    & skf21("4","7","2","3","3","3","3","1") = "6"
    & skf21("4","7","2","3","3","3","4","1") = "6"
    & skf21("4","7","2","3","3","3","5","1") = "6"
    & skf21("4","7","2","3","3","3","6","1") = "6"
    & skf21("4","7","2","3","3","3","7","1") = "6"
    & skf21("4","7","2","3","3","4","1","1") = "6"
    & skf21("4","7","2","3","3","4","2","1") = "6"
    & skf21("4","7","2","3","3","4","3","1") = "6"
    & skf21("4","7","2","3","3","4","4","1") = "6"
    & skf21("4","7","2","3","3","4","5","1") = "6"
    & skf21("4","7","2","3","3","4","6","1") = "6"
    & skf21("4","7","2","3","3","4","7","1") = "6"
    & skf21("4","7","2","3","3","5","1","1") = "6"
    & skf21("4","7","2","3","3","5","2","1") = "6"
    & skf21("4","7","2","3","3","5","3","1") = "6"
    & skf21("4","7","2","3","3","5","4","1") = "6"
    & skf21("4","7","2","3","3","5","5","1") = "6"
    & skf21("4","7","2","3","3","5","6","1") = "6"
    & skf21("4","7","2","3","3","5","7","1") = "6"
    & skf21("4","7","2","3","3","6","1","1") = "6"
    & skf21("4","7","2","3","3","6","2","1") = "6"
    & skf21("4","7","2","3","3","6","3","1") = "6"
    & skf21("4","7","2","3","3","6","4","1") = "6"
    & skf21("4","7","2","3","3","6","5","1") = "6"
    & skf21("4","7","2","3","3","6","6","1") = "6"
    & skf21("4","7","2","3","3","6","7","1") = "6"
    & skf21("4","7","2","3","3","7","1","1") = "6"
    & skf21("4","7","2","3","3","7","2","1") = "6"
    & skf21("4","7","2","3","3","7","3","1") = "6"
    & skf21("4","7","2","3","3","7","4","1") = "6"
    & skf21("4","7","2","3","3","7","5","1") = "6"
    & skf21("4","7","2","3","3","7","6","1") = "6"
    & skf21("4","7","2","3","3","7","7","1") = "6"
    & skf21("4","7","2","3","4","1","1","1") = "6"
    & skf21("4","7","2","3","4","1","2","1") = "6"
    & skf21("4","7","2","3","4","1","3","1") = "6"
    & skf21("4","7","2","3","4","1","4","1") = "6"
    & skf21("4","7","2","3","4","1","5","1") = "6"
    & skf21("4","7","2","3","4","1","6","1") = "6"
    & skf21("4","7","2","3","4","1","7","1") = "6"
    & skf21("4","7","2","3","4","2","1","1") = "6"
    & skf21("4","7","2","3","4","2","2","1") = "6"
    & skf21("4","7","2","3","4","2","3","1") = "6"
    & skf21("4","7","2","3","4","2","4","1") = "6"
    & skf21("4","7","2","3","4","2","5","1") = "6"
    & skf21("4","7","2","3","4","2","6","1") = "6"
    & skf21("4","7","2","3","4","2","7","1") = "6"
    & skf21("4","7","2","3","4","3","1","1") = "6"
    & skf21("4","7","2","3","4","3","2","1") = "6"
    & skf21("4","7","2","3","4","3","3","1") = "6"
    & skf21("4","7","2","3","4","3","4","1") = "6"
    & skf21("4","7","2","3","4","3","5","1") = "6"
    & skf21("4","7","2","3","4","3","6","1") = "6"
    & skf21("4","7","2","3","4","3","7","1") = "6"
    & skf21("4","7","2","3","4","4","1","1") = "6"
    & skf21("4","7","2","3","4","4","2","1") = "6"
    & skf21("4","7","2","3","4","4","3","1") = "6"
    & skf21("4","7","2","3","4","4","4","1") = "6"
    & skf21("4","7","2","3","4","4","5","1") = "6"
    & skf21("4","7","2","3","4","4","6","1") = "6"
    & skf21("4","7","2","3","4","4","7","1") = "6"
    & skf21("4","7","2","3","4","5","1","1") = "6"
    & skf21("4","7","2","3","4","5","2","1") = "6"
    & skf21("4","7","2","3","4","5","3","1") = "6"
    & skf21("4","7","2","3","4","5","4","1") = "6"
    & skf21("4","7","2","3","4","5","5","1") = "6"
    & skf21("4","7","2","3","4","5","6","1") = "6"
    & skf21("4","7","2","3","4","5","7","1") = "6"
    & skf21("4","7","2","3","4","6","1","1") = "6"
    & skf21("4","7","2","3","4","6","2","1") = "6"
    & skf21("4","7","2","3","4","6","3","1") = "6"
    & skf21("4","7","2","3","4","6","4","1") = "6"
    & skf21("4","7","2","3","4","6","5","1") = "6"
    & skf21("4","7","2","3","4","6","6","1") = "6"
    & skf21("4","7","2","3","4","6","7","1") = "6"
    & skf21("4","7","2","3","4","7","1","1") = "6"
    & skf21("4","7","2","3","4","7","2","1") = "6"
    & skf21("4","7","2","3","4","7","3","1") = "6"
    & skf21("4","7","2","3","4","7","4","1") = "6"
    & skf21("4","7","2","3","4","7","5","1") = "6"
    & skf21("4","7","2","3","4","7","6","1") = "6"
    & skf21("4","7","2","3","4","7","7","1") = "6"
    & skf21("4","7","2","3","5","1","1","1") = "6"
    & skf21("4","7","2","3","5","1","2","1") = "6"
    & skf21("4","7","2","3","5","1","3","1") = "6"
    & skf21("4","7","2","3","5","1","4","1") = "6"
    & skf21("4","7","2","3","5","1","5","1") = "6"
    & skf21("4","7","2","3","5","1","6","1") = "6"
    & skf21("4","7","2","3","5","1","7","1") = "6"
    & skf21("4","7","2","3","5","2","1","1") = "6"
    & skf21("4","7","2","3","5","2","2","1") = "6"
    & skf21("4","7","2","3","5","2","3","1") = "6"
    & skf21("4","7","2","3","5","2","4","1") = "6"
    & skf21("4","7","2","3","5","2","5","1") = "6"
    & skf21("4","7","2","3","5","2","6","1") = "6"
    & skf21("4","7","2","3","5","2","7","1") = "6"
    & skf21("4","7","2","3","5","3","1","1") = "6"
    & skf21("4","7","2","3","5","3","2","1") = "6"
    & skf21("4","7","2","3","5","3","3","1") = "6"
    & skf21("4","7","2","3","5","3","4","1") = "6"
    & skf21("4","7","2","3","5","3","5","1") = "6"
    & skf21("4","7","2","3","5","3","6","1") = "6"
    & skf21("4","7","2","3","5","3","7","1") = "6"
    & skf21("4","7","2","3","5","4","1","1") = "6"
    & skf21("4","7","2","3","5","4","2","1") = "6"
    & skf21("4","7","2","3","5","4","3","1") = "6"
    & skf21("4","7","2","3","5","4","4","1") = "6"
    & skf21("4","7","2","3","5","4","5","1") = "6"
    & skf21("4","7","2","3","5","4","6","1") = "6"
    & skf21("4","7","2","3","5","4","7","1") = "6"
    & skf21("4","7","2","3","5","5","1","1") = "6"
    & skf21("4","7","2","3","5","5","2","1") = "6"
    & skf21("4","7","2","3","5","5","3","1") = "6"
    & skf21("4","7","2","3","5","5","4","1") = "6"
    & skf21("4","7","2","3","5","5","5","1") = "6"
    & skf21("4","7","2","3","5","5","6","1") = "6"
    & skf21("4","7","2","3","5","5","7","1") = "6"
    & skf21("4","7","2","3","5","6","1","1") = "6"
    & skf21("4","7","2","3","5","6","2","1") = "6"
    & skf21("4","7","2","3","5","6","3","1") = "6"
    & skf21("4","7","2","3","5","6","4","1") = "6"
    & skf21("4","7","2","3","5","6","5","1") = "6"
    & skf21("4","7","2","3","5","6","6","1") = "6"
    & skf21("4","7","2","3","5","6","7","1") = "6"
    & skf21("4","7","2","3","5","7","1","1") = "6"
    & skf21("4","7","2","3","5","7","2","1") = "6"
    & skf21("4","7","2","3","5","7","3","1") = "6"
    & skf21("4","7","2","3","5","7","4","1") = "6"
    & skf21("4","7","2","3","5","7","5","1") = "6"
    & skf21("4","7","2","3","5","7","6","1") = "6"
    & skf21("4","7","2","3","5","7","7","1") = "6"
    & skf21("4","7","2","3","6","1","1","1") = "6"
    & skf21("4","7","2","3","6","1","2","1") = "6"
    & skf21("4","7","2","3","6","1","3","1") = "6"
    & skf21("4","7","2","3","6","1","4","1") = "6"
    & skf21("4","7","2","3","6","1","5","1") = "6"
    & skf21("4","7","2","3","6","1","6","1") = "6"
    & skf21("4","7","2","3","6","1","7","1") = "6"
    & skf21("4","7","2","3","6","2","1","1") = "6"
    & skf21("4","7","2","3","6","2","2","1") = "6"
    & skf21("4","7","2","3","6","2","3","1") = "6"
    & skf21("4","7","2","3","6","2","4","1") = "6"
    & skf21("4","7","2","3","6","2","5","1") = "6"
    & skf21("4","7","2","3","6","2","6","1") = "6"
    & skf21("4","7","2","3","6","2","7","1") = "6"
    & skf21("4","7","2","3","6","3","1","1") = "6"
    & skf21("4","7","2","3","6","3","2","1") = "6"
    & skf21("4","7","2","3","6","3","3","1") = "6"
    & skf21("4","7","2","3","6","3","4","1") = "6"
    & skf21("4","7","2","3","6","3","5","1") = "6"
    & skf21("4","7","2","3","6","3","6","1") = "6"
    & skf21("4","7","2","3","6","3","7","1") = "6"
    & skf21("4","7","2","3","6","4","1","1") = "6"
    & skf21("4","7","2","3","6","4","2","1") = "6"
    & skf21("4","7","2","3","6","4","3","1") = "6"
    & skf21("4","7","2","3","6","4","4","1") = "6"
    & skf21("4","7","2","3","6","4","5","1") = "6"
    & skf21("4","7","2","3","6","4","6","1") = "6"
    & skf21("4","7","2","3","6","4","7","1") = "6"
    & skf21("4","7","2","3","6","5","1","1") = "6"
    & skf21("4","7","2","3","6","5","2","1") = "6"
    & skf21("4","7","2","3","6","5","3","1") = "6"
    & skf21("4","7","2","3","6","5","4","1") = "6"
    & skf21("4","7","2","3","6","5","5","1") = "6"
    & skf21("4","7","2","3","6","5","6","1") = "6"
    & skf21("4","7","2","3","6","5","7","1") = "6"
    & skf21("4","7","2","3","6","6","1","1") = "6"
    & skf21("4","7","2","3","6","6","2","1") = "6"
    & skf21("4","7","2","3","6","6","3","1") = "6"
    & skf21("4","7","2","3","6","6","4","1") = "6"
    & skf21("4","7","2","3","6","6","5","1") = "6"
    & skf21("4","7","2","3","6","6","6","1") = "6"
    & skf21("4","7","2","3","6","6","7","1") = "6"
    & skf21("4","7","2","3","6","7","1","1") = "6"
    & skf21("4","7","2","3","6","7","2","1") = "6"
    & skf21("4","7","2","3","6","7","3","1") = "6"
    & skf21("4","7","2","3","6","7","4","1") = "6"
    & skf21("4","7","2","3","6","7","5","1") = "6"
    & skf21("4","7","2","3","6","7","6","1") = "6"
    & skf21("4","7","2","3","6","7","7","1") = "6"
    & skf21("4","7","2","3","7","1","1","1") = "6"
    & skf21("4","7","2","3","7","1","2","1") = "6"
    & skf21("4","7","2","3","7","1","3","1") = "6"
    & skf21("4","7","2","3","7","1","4","1") = "6"
    & skf21("4","7","2","3","7","1","5","1") = "6"
    & skf21("4","7","2","3","7","1","6","1") = "6"
    & skf21("4","7","2","3","7","1","7","1") = "6"
    & skf21("4","7","2","3","7","2","1","1") = "6"
    & skf21("4","7","2","3","7","2","2","1") = "6"
    & skf21("4","7","2","3","7","2","3","1") = "6"
    & skf21("4","7","2","3","7","2","4","1") = "6"
    & skf21("4","7","2","3","7","2","5","1") = "6"
    & skf21("4","7","2","3","7","2","6","1") = "6"
    & skf21("4","7","2","3","7","2","7","1") = "6"
    & skf21("4","7","2","3","7","3","1","1") = "6"
    & skf21("4","7","2","3","7","3","2","1") = "6"
    & skf21("4","7","2","3","7","3","3","1") = "6"
    & skf21("4","7","2","3","7","3","4","1") = "6"
    & skf21("4","7","2","3","7","3","5","1") = "6"
    & skf21("4","7","2","3","7","3","6","1") = "6"
    & skf21("4","7","2","3","7","3","7","1") = "6"
    & skf21("4","7","2","3","7","4","1","1") = "6"
    & skf21("4","7","2","3","7","4","2","1") = "6"
    & skf21("4","7","2","3","7","4","3","1") = "6"
    & skf21("4","7","2","3","7","4","4","1") = "6"
    & skf21("4","7","2","3","7","4","5","1") = "6"
    & skf21("4","7","2","3","7","4","6","1") = "6"
    & skf21("4","7","2","3","7","4","7","1") = "6"
    & skf21("4","7","2","3","7","5","1","1") = "6"
    & skf21("4","7","2","3","7","5","2","1") = "6"
    & skf21("4","7","2","3","7","5","3","1") = "6"
    & skf21("4","7","2","3","7","5","4","1") = "6"
    & skf21("4","7","2","3","7","5","5","1") = "6"
    & skf21("4","7","2","3","7","5","6","1") = "6"
    & skf21("4","7","2","3","7","5","7","1") = "6"
    & skf21("4","7","2","3","7","6","1","1") = "6"
    & skf21("4","7","2","3","7","6","2","1") = "6"
    & skf21("4","7","2","3","7","6","3","1") = "6"
    & skf21("4","7","2","3","7","6","4","1") = "6"
    & skf21("4","7","2","3","7","6","5","1") = "6"
    & skf21("4","7","2","3","7","6","6","1") = "6"
    & skf21("4","7","2","3","7","6","7","1") = "6"
    & skf21("4","7","2","3","7","7","1","1") = "6"
    & skf21("4","7","2","3","7","7","2","1") = "6"
    & skf21("4","7","2","3","7","7","3","1") = "6"
    & skf21("4","7","2","3","7","7","4","1") = "6"
    & skf21("4","7","2","3","7","7","5","1") = "6"
    & skf21("4","7","2","3","7","7","6","1") = "6"
    & skf21("4","7","2","3","7","7","7","1") = "6"
    & skf21("4","7","2","4","1","1","1","1") = "6"
    & skf21("4","7","2","4","1","1","2","1") = "6"
    & skf21("4","7","2","4","1","1","3","1") = "6"
    & skf21("4","7","2","4","1","1","4","1") = "6"
    & skf21("4","7","2","4","1","1","5","1") = "6"
    & skf21("4","7","2","4","1","1","6","1") = "6"
    & skf21("4","7","2","4","1","1","7","1") = "6"
    & skf21("4","7","2","4","1","2","1","1") = "6"
    & skf21("4","7","2","4","1","2","2","1") = "6"
    & skf21("4","7","2","4","1","2","3","1") = "6"
    & skf21("4","7","2","4","1","2","4","1") = "6"
    & skf21("4","7","2","4","1","2","5","1") = "6"
    & skf21("4","7","2","4","1","2","6","1") = "6"
    & skf21("4","7","2","4","1","2","7","1") = "6"
    & skf21("4","7","2","4","1","3","1","1") = "6"
    & skf21("4","7","2","4","1","3","2","1") = "6"
    & skf21("4","7","2","4","1","3","3","1") = "6"
    & skf21("4","7","2","4","1","3","4","1") = "6"
    & skf21("4","7","2","4","1","3","5","1") = "6"
    & skf21("4","7","2","4","1","3","6","1") = "6"
    & skf21("4","7","2","4","1","3","7","1") = "6"
    & skf21("4","7","2","4","1","4","1","1") = "6"
    & skf21("4","7","2","4","1","4","2","1") = "6"
    & skf21("4","7","2","4","1","4","3","1") = "6"
    & skf21("4","7","2","4","1","4","4","1") = "6"
    & skf21("4","7","2","4","1","4","5","1") = "6"
    & skf21("4","7","2","4","1","4","6","1") = "6"
    & skf21("4","7","2","4","1","4","7","1") = "6"
    & skf21("4","7","2","4","1","5","1","1") = "6"
    & skf21("4","7","2","4","1","5","2","1") = "6"
    & skf21("4","7","2","4","1","5","3","1") = "6"
    & skf21("4","7","2","4","1","5","4","1") = "6"
    & skf21("4","7","2","4","1","5","5","1") = "6"
    & skf21("4","7","2","4","1","5","6","1") = "6"
    & skf21("4","7","2","4","1","5","7","1") = "6"
    & skf21("4","7","2","4","1","6","1","1") = "6"
    & skf21("4","7","2","4","1","6","2","1") = "6"
    & skf21("4","7","2","4","1","6","3","1") = "6"
    & skf21("4","7","2","4","1","6","4","1") = "6"
    & skf21("4","7","2","4","1","6","5","1") = "6"
    & skf21("4","7","2","4","1","6","6","1") = "6"
    & skf21("4","7","2","4","1","6","7","1") = "6"
    & skf21("4","7","2","4","1","7","1","1") = "6"
    & skf21("4","7","2","4","1","7","2","1") = "6"
    & skf21("4","7","2","4","1","7","3","1") = "6"
    & skf21("4","7","2","4","1","7","4","1") = "6"
    & skf21("4","7","2","4","1","7","5","1") = "6"
    & skf21("4","7","2","4","1","7","6","1") = "6"
    & skf21("4","7","2","4","1","7","7","1") = "6"
    & skf21("4","7","2","4","2","1","1","1") = "6"
    & skf21("4","7","2","4","2","1","2","1") = "6"
    & skf21("4","7","2","4","2","1","3","1") = "6"
    & skf21("4","7","2","4","2","1","4","1") = "6"
    & skf21("4","7","2","4","2","1","5","1") = "6"
    & skf21("4","7","2","4","2","1","6","1") = "6"
    & skf21("4","7","2","4","2","1","7","1") = "6"
    & skf21("4","7","2","4","2","2","1","1") = "6"
    & skf21("4","7","2","4","2","2","2","1") = "6"
    & skf21("4","7","2","4","2","2","3","1") = "6"
    & skf21("4","7","2","4","2","2","4","1") = "6"
    & skf21("4","7","2","4","2","2","5","1") = "6"
    & skf21("4","7","2","4","2","2","6","1") = "6"
    & skf21("4","7","2","4","2","2","7","1") = "6"
    & skf21("4","7","2","4","2","3","1","1") = "6"
    & skf21("4","7","2","4","2","3","2","1") = "6"
    & skf21("4","7","2","4","2","3","3","1") = "6"
    & skf21("4","7","2","4","2","3","4","1") = "6"
    & skf21("4","7","2","4","2","3","5","1") = "6"
    & skf21("4","7","2","4","2","3","6","1") = "6"
    & skf21("4","7","2","4","2","3","7","1") = "6"
    & skf21("4","7","2","4","2","4","1","1") = "6"
    & skf21("4","7","2","4","2","4","2","1") = "6"
    & skf21("4","7","2","4","2","4","3","1") = "6"
    & skf21("4","7","2","4","2","4","4","1") = "6"
    & skf21("4","7","2","4","2","4","5","1") = "6"
    & skf21("4","7","2","4","2","4","6","1") = "6"
    & skf21("4","7","2","4","2","4","7","1") = "6"
    & skf21("4","7","2","4","2","5","1","1") = "6"
    & skf21("4","7","2","4","2","5","2","1") = "6"
    & skf21("4","7","2","4","2","5","3","1") = "6"
    & skf21("4","7","2","4","2","5","4","1") = "6"
    & skf21("4","7","2","4","2","5","5","1") = "6"
    & skf21("4","7","2","4","2","5","6","1") = "6"
    & skf21("4","7","2","4","2","5","7","1") = "6"
    & skf21("4","7","2","4","2","6","1","1") = "6"
    & skf21("4","7","2","4","2","6","2","1") = "6"
    & skf21("4","7","2","4","2","6","3","1") = "6"
    & skf21("4","7","2","4","2","6","4","1") = "6"
    & skf21("4","7","2","4","2","6","5","1") = "6"
    & skf21("4","7","2","4","2","6","6","1") = "6"
    & skf21("4","7","2","4","2","6","7","1") = "6"
    & skf21("4","7","2","4","2","7","1","1") = "6"
    & skf21("4","7","2","4","2","7","2","1") = "6"
    & skf21("4","7","2","4","2","7","3","1") = "6"
    & skf21("4","7","2","4","2","7","4","1") = "6"
    & skf21("4","7","2","4","2","7","5","1") = "6"
    & skf21("4","7","2","4","2","7","6","1") = "6"
    & skf21("4","7","2","4","2","7","7","1") = "6"
    & skf21("4","7","2","4","3","1","1","1") = "6"
    & skf21("4","7","2","4","3","1","2","1") = "6"
    & skf21("4","7","2","4","3","1","3","1") = "6"
    & skf21("4","7","2","4","3","1","4","1") = "6"
    & skf21("4","7","2","4","3","1","5","1") = "6"
    & skf21("4","7","2","4","3","1","6","1") = "6"
    & skf21("4","7","2","4","3","1","7","1") = "6"
    & skf21("4","7","2","4","3","2","1","1") = "6"
    & skf21("4","7","2","4","3","2","2","1") = "6"
    & skf21("4","7","2","4","3","2","3","1") = "6"
    & skf21("4","7","2","4","3","2","4","1") = "6"
    & skf21("4","7","2","4","3","2","5","1") = "6"
    & skf21("4","7","2","4","3","2","6","1") = "6"
    & skf21("4","7","2","4","3","2","7","1") = "6"
    & skf21("4","7","2","4","3","3","1","1") = "6"
    & skf21("4","7","2","4","3","3","2","1") = "6"
    & skf21("4","7","2","4","3","3","3","1") = "6"
    & skf21("4","7","2","4","3","3","4","1") = "6"
    & skf21("4","7","2","4","3","3","5","1") = "6"
    & skf21("4","7","2","4","3","3","6","1") = "6"
    & skf21("4","7","2","4","3","3","7","1") = "6"
    & skf21("4","7","2","4","3","4","1","1") = "6"
    & skf21("4","7","2","4","3","4","2","1") = "6"
    & skf21("4","7","2","4","3","4","3","1") = "6"
    & skf21("4","7","2","4","3","4","4","1") = "6"
    & skf21("4","7","2","4","3","4","5","1") = "6"
    & skf21("4","7","2","4","3","4","6","1") = "6"
    & skf21("4","7","2","4","3","4","7","1") = "6"
    & skf21("4","7","2","4","3","5","1","1") = "6"
    & skf21("4","7","2","4","3","5","2","1") = "6"
    & skf21("4","7","2","4","3","5","3","1") = "6"
    & skf21("4","7","2","4","3","5","4","1") = "6"
    & skf21("4","7","2","4","3","5","5","1") = "6"
    & skf21("4","7","2","4","3","5","6","1") = "6"
    & skf21("4","7","2","4","3","5","7","1") = "6"
    & skf21("4","7","2","4","3","6","1","1") = "6"
    & skf21("4","7","2","4","3","6","2","1") = "6"
    & skf21("4","7","2","4","3","6","3","1") = "6"
    & skf21("4","7","2","4","3","6","4","1") = "6"
    & skf21("4","7","2","4","3","6","5","1") = "6"
    & skf21("4","7","2","4","3","6","6","1") = "6"
    & skf21("4","7","2","4","3","6","7","1") = "6"
    & skf21("4","7","2","4","3","7","1","1") = "6"
    & skf21("4","7","2","4","3","7","2","1") = "6"
    & skf21("4","7","2","4","3","7","3","1") = "6"
    & skf21("4","7","2","4","3","7","4","1") = "6"
    & skf21("4","7","2","4","3","7","5","1") = "6"
    & skf21("4","7","2","4","3","7","6","1") = "6"
    & skf21("4","7","2","4","3","7","7","1") = "6"
    & skf21("4","7","2","4","4","1","1","1") = "6"
    & skf21("4","7","2","4","4","1","2","1") = "6"
    & skf21("4","7","2","4","4","1","3","1") = "6"
    & skf21("4","7","2","4","4","1","4","1") = "6"
    & skf21("4","7","2","4","4","1","5","1") = "6"
    & skf21("4","7","2","4","4","1","6","1") = "6"
    & skf21("4","7","2","4","4","1","7","1") = "6"
    & skf21("4","7","2","4","4","2","1","1") = "6"
    & skf21("4","7","2","4","4","2","2","1") = "6"
    & skf21("4","7","2","4","4","2","3","1") = "6"
    & skf21("4","7","2","4","4","2","4","1") = "6"
    & skf21("4","7","2","4","4","2","5","1") = "6"
    & skf21("4","7","2","4","4","2","6","1") = "6"
    & skf21("4","7","2","4","4","2","7","1") = "6"
    & skf21("4","7","2","4","4","3","1","1") = "6"
    & skf21("4","7","2","4","4","3","2","1") = "6"
    & skf21("4","7","2","4","4","3","3","1") = "6"
    & skf21("4","7","2","4","4","3","4","1") = "6"
    & skf21("4","7","2","4","4","3","5","1") = "6"
    & skf21("4","7","2","4","4","3","6","1") = "6"
    & skf21("4","7","2","4","4","3","7","1") = "6"
    & skf21("4","7","2","4","4","4","1","1") = "6"
    & skf21("4","7","2","4","4","4","2","1") = "6"
    & skf21("4","7","2","4","4","4","3","1") = "6"
    & skf21("4","7","2","4","4","4","4","1") = "6"
    & skf21("4","7","2","4","4","4","5","1") = "6"
    & skf21("4","7","2","4","4","4","6","1") = "6"
    & skf21("4","7","2","4","4","4","7","1") = "6"
    & skf21("4","7","2","4","4","5","1","1") = "6"
    & skf21("4","7","2","4","4","5","2","1") = "6"
    & skf21("4","7","2","4","4","5","3","1") = "6"
    & skf21("4","7","2","4","4","5","4","1") = "6"
    & skf21("4","7","2","4","4","5","5","1") = "6"
    & skf21("4","7","2","4","4","5","6","1") = "6"
    & skf21("4","7","2","4","4","5","7","1") = "6"
    & skf21("4","7","2","4","4","6","1","1") = "6"
    & skf21("4","7","2","4","4","6","2","1") = "6"
    & skf21("4","7","2","4","4","6","3","1") = "6"
    & skf21("4","7","2","4","4","6","4","1") = "6"
    & skf21("4","7","2","4","4","6","5","1") = "6"
    & skf21("4","7","2","4","4","6","6","1") = "6"
    & skf21("4","7","2","4","4","6","7","1") = "6"
    & skf21("4","7","2","4","4","7","1","1") = "6"
    & skf21("4","7","2","4","4","7","2","1") = "6"
    & skf21("4","7","2","4","4","7","3","1") = "6"
    & skf21("4","7","2","4","4","7","4","1") = "6"
    & skf21("4","7","2","4","4","7","5","1") = "6"
    & skf21("4","7","2","4","4","7","6","1") = "6"
    & skf21("4","7","2","4","4","7","7","1") = "6"
    & skf21("4","7","2","4","5","1","1","1") = "6"
    & skf21("4","7","2","4","5","1","2","1") = "6"
    & skf21("4","7","2","4","5","1","3","1") = "6"
    & skf21("4","7","2","4","5","1","4","1") = "6"
    & skf21("4","7","2","4","5","1","5","1") = "6"
    & skf21("4","7","2","4","5","1","6","1") = "6"
    & skf21("4","7","2","4","5","1","7","1") = "6"
    & skf21("4","7","2","4","5","2","1","1") = "6"
    & skf21("4","7","2","4","5","2","2","1") = "6"
    & skf21("4","7","2","4","5","2","3","1") = "6"
    & skf21("4","7","2","4","5","2","4","1") = "6"
    & skf21("4","7","2","4","5","2","5","1") = "6"
    & skf21("4","7","2","4","5","2","6","1") = "6"
    & skf21("4","7","2","4","5","2","7","1") = "6"
    & skf21("4","7","2","4","5","3","1","1") = "6"
    & skf21("4","7","2","4","5","3","2","1") = "6"
    & skf21("4","7","2","4","5","3","3","1") = "6"
    & skf21("4","7","2","4","5","3","4","1") = "6"
    & skf21("4","7","2","4","5","3","5","1") = "6"
    & skf21("4","7","2","4","5","3","6","1") = "6"
    & skf21("4","7","2","4","5","3","7","1") = "6"
    & skf21("4","7","2","4","5","4","1","1") = "6"
    & skf21("4","7","2","4","5","4","2","1") = "6"
    & skf21("4","7","2","4","5","4","3","1") = "6"
    & skf21("4","7","2","4","5","4","4","1") = "6"
    & skf21("4","7","2","4","5","4","5","1") = "6"
    & skf21("4","7","2","4","5","4","6","1") = "6"
    & skf21("4","7","2","4","5","4","7","1") = "6"
    & skf21("4","7","2","4","5","5","1","1") = "6"
    & skf21("4","7","2","4","5","5","2","1") = "6"
    & skf21("4","7","2","4","5","5","3","1") = "6"
    & skf21("4","7","2","4","5","5","4","1") = "6"
    & skf21("4","7","2","4","5","5","5","1") = "6"
    & skf21("4","7","2","4","5","5","6","1") = "6"
    & skf21("4","7","2","4","5","5","7","1") = "6"
    & skf21("4","7","2","4","5","6","1","1") = "6"
    & skf21("4","7","2","4","5","6","2","1") = "6"
    & skf21("4","7","2","4","5","6","3","1") = "6"
    & skf21("4","7","2","4","5","6","4","1") = "6"
    & skf21("4","7","2","4","5","6","5","1") = "6"
    & skf21("4","7","2","4","5","6","6","1") = "6"
    & skf21("4","7","2","4","5","6","7","1") = "6"
    & skf21("4","7","2","4","5","7","1","1") = "6"
    & skf21("4","7","2","4","5","7","2","1") = "6"
    & skf21("4","7","2","4","5","7","3","1") = "6"
    & skf21("4","7","2","4","5","7","4","1") = "6"
    & skf21("4","7","2","4","5","7","5","1") = "6"
    & skf21("4","7","2","4","5","7","6","1") = "6"
    & skf21("4","7","2","4","5","7","7","1") = "6"
    & skf21("4","7","2","4","6","1","1","1") = "6"
    & skf21("4","7","2","4","6","1","2","1") = "6"
    & skf21("4","7","2","4","6","1","3","1") = "6"
    & skf21("4","7","2","4","6","1","4","1") = "6"
    & skf21("4","7","2","4","6","1","5","1") = "6"
    & skf21("4","7","2","4","6","1","6","1") = "6"
    & skf21("4","7","2","4","6","1","7","1") = "6"
    & skf21("4","7","2","4","6","2","1","1") = "6"
    & skf21("4","7","2","4","6","2","2","1") = "6"
    & skf21("4","7","2","4","6","2","3","1") = "6"
    & skf21("4","7","2","4","6","2","4","1") = "6"
    & skf21("4","7","2","4","6","2","5","1") = "6"
    & skf21("4","7","2","4","6","2","6","1") = "6"
    & skf21("4","7","2","4","6","2","7","1") = "6"
    & skf21("4","7","2","4","6","3","1","1") = "6"
    & skf21("4","7","2","4","6","3","2","1") = "6"
    & skf21("4","7","2","4","6","3","3","1") = "6"
    & skf21("4","7","2","4","6","3","4","1") = "6"
    & skf21("4","7","2","4","6","3","5","1") = "6"
    & skf21("4","7","2","4","6","3","6","1") = "6"
    & skf21("4","7","2","4","6","3","7","1") = "6"
    & skf21("4","7","2","4","6","4","1","1") = "6"
    & skf21("4","7","2","4","6","4","2","1") = "6"
    & skf21("4","7","2","4","6","4","3","1") = "6"
    & skf21("4","7","2","4","6","4","4","1") = "6"
    & skf21("4","7","2","4","6","4","5","1") = "6"
    & skf21("4","7","2","4","6","4","6","1") = "6"
    & skf21("4","7","2","4","6","4","7","1") = "6"
    & skf21("4","7","2","4","6","5","1","1") = "6"
    & skf21("4","7","2","4","6","5","2","1") = "6"
    & skf21("4","7","2","4","6","5","3","1") = "6"
    & skf21("4","7","2","4","6","5","4","1") = "6"
    & skf21("4","7","2","4","6","5","5","1") = "6"
    & skf21("4","7","2","4","6","5","6","1") = "6"
    & skf21("4","7","2","4","6","5","7","1") = "6"
    & skf21("4","7","2","4","6","6","1","1") = "6"
    & skf21("4","7","2","4","6","6","2","1") = "6"
    & skf21("4","7","2","4","6","6","3","1") = "6"
    & skf21("4","7","2","4","6","6","4","1") = "6"
    & skf21("4","7","2","4","6","6","5","1") = "6"
    & skf21("4","7","2","4","6","6","6","1") = "6"
    & skf21("4","7","2","4","6","6","7","1") = "6"
    & skf21("4","7","2","4","6","7","1","1") = "6"
    & skf21("4","7","2","4","6","7","2","1") = "6"
    & skf21("4","7","2","4","6","7","3","1") = "6"
    & skf21("4","7","2","4","6","7","4","1") = "6"
    & skf21("4","7","2","4","6","7","5","1") = "6"
    & skf21("4","7","2","4","6","7","6","1") = "6"
    & skf21("4","7","2","4","6","7","7","1") = "6"
    & skf21("4","7","2","4","7","1","1","1") = "6"
    & skf21("4","7","2","4","7","1","2","1") = "6"
    & skf21("4","7","2","4","7","1","3","1") = "6"
    & skf21("4","7","2","4","7","1","4","1") = "6"
    & skf21("4","7","2","4","7","1","5","1") = "6"
    & skf21("4","7","2","4","7","1","6","1") = "6"
    & skf21("4","7","2","4","7","1","7","1") = "6"
    & skf21("4","7","2","4","7","2","1","1") = "6"
    & skf21("4","7","2","4","7","2","2","1") = "6"
    & skf21("4","7","2","4","7","2","3","1") = "6"
    & skf21("4","7","2","4","7","2","4","1") = "6"
    & skf21("4","7","2","4","7","2","5","1") = "6"
    & skf21("4","7","2","4","7","2","6","1") = "6"
    & skf21("4","7","2","4","7","2","7","1") = "6"
    & skf21("4","7","2","4","7","3","1","1") = "6"
    & skf21("4","7","2","4","7","3","2","1") = "6"
    & skf21("4","7","2","4","7","3","3","1") = "6"
    & skf21("4","7","2","4","7","3","4","1") = "6"
    & skf21("4","7","2","4","7","3","5","1") = "6"
    & skf21("4","7","2","4","7","3","6","1") = "6"
    & skf21("4","7","2","4","7","3","7","1") = "6"
    & skf21("4","7","2","4","7","4","1","1") = "6"
    & skf21("4","7","2","4","7","4","2","1") = "6"
    & skf21("4","7","2","4","7","4","3","1") = "6"
    & skf21("4","7","2","4","7","4","4","1") = "6"
    & skf21("4","7","2","4","7","4","5","1") = "6"
    & skf21("4","7","2","4","7","4","6","1") = "6"
    & skf21("4","7","2","4","7","4","7","1") = "6"
    & skf21("4","7","2","4","7","5","1","1") = "6"
    & skf21("4","7","2","4","7","5","2","1") = "6"
    & skf21("4","7","2","4","7","5","3","1") = "6"
    & skf21("4","7","2","4","7","5","4","1") = "6"
    & skf21("4","7","2","4","7","5","5","1") = "6"
    & skf21("4","7","2","4","7","5","6","1") = "6"
    & skf21("4","7","2","4","7","5","7","1") = "6"
    & skf21("4","7","2","4","7","6","1","1") = "6"
    & skf21("4","7","2","4","7","6","2","1") = "6"
    & skf21("4","7","2","4","7","6","3","1") = "6"
    & skf21("4","7","2","4","7","6","4","1") = "6"
    & skf21("4","7","2","4","7","6","5","1") = "6"
    & skf21("4","7","2","4","7","6","6","1") = "6"
    & skf21("4","7","2","4","7","6","7","1") = "6"
    & skf21("4","7","2","4","7","7","1","1") = "6"
    & skf21("4","7","2","4","7","7","2","1") = "6"
    & skf21("4","7","2","4","7","7","3","1") = "6"
    & skf21("4","7","2","4","7","7","4","1") = "6"
    & skf21("4","7","2","4","7","7","5","1") = "6"
    & skf21("4","7","2","4","7","7","6","1") = "6"
    & skf21("4","7","2","4","7","7","7","1") = "6"
    & skf21("4","7","2","5","1","1","1","1") = "6"
    & skf21("4","7","2","5","1","1","2","1") = "6"
    & skf21("4","7","2","5","1","1","3","1") = "6"
    & skf21("4","7","2","5","1","1","4","1") = "6"
    & skf21("4","7","2","5","1","1","5","1") = "6"
    & skf21("4","7","2","5","1","1","6","1") = "6"
    & skf21("4","7","2","5","1","1","7","1") = "6"
    & skf21("4","7","2","5","1","2","1","1") = "6"
    & skf21("4","7","2","5","1","2","2","1") = "6"
    & skf21("4","7","2","5","1","2","3","1") = "6"
    & skf21("4","7","2","5","1","2","4","1") = "6"
    & skf21("4","7","2","5","1","2","5","1") = "6"
    & skf21("4","7","2","5","1","2","6","1") = "6"
    & skf21("4","7","2","5","1","2","7","1") = "6"
    & skf21("4","7","2","5","1","3","1","1") = "6"
    & skf21("4","7","2","5","1","3","2","1") = "6"
    & skf21("4","7","2","5","1","3","3","1") = "6"
    & skf21("4","7","2","5","1","3","4","1") = "6"
    & skf21("4","7","2","5","1","3","5","1") = "6"
    & skf21("4","7","2","5","1","3","6","1") = "6"
    & skf21("4","7","2","5","1","3","7","1") = "6"
    & skf21("4","7","2","5","1","4","1","1") = "6"
    & skf21("4","7","2","5","1","4","2","1") = "6"
    & skf21("4","7","2","5","1","4","3","1") = "6"
    & skf21("4","7","2","5","1","4","4","1") = "6"
    & skf21("4","7","2","5","1","4","5","1") = "6"
    & skf21("4","7","2","5","1","4","6","1") = "6"
    & skf21("4","7","2","5","1","4","7","1") = "6"
    & skf21("4","7","2","5","1","5","1","1") = "6"
    & skf21("4","7","2","5","1","5","2","1") = "6"
    & skf21("4","7","2","5","1","5","3","1") = "6"
    & skf21("4","7","2","5","1","5","4","1") = "6"
    & skf21("4","7","2","5","1","5","5","1") = "6"
    & skf21("4","7","2","5","1","5","6","1") = "6"
    & skf21("4","7","2","5","1","5","7","1") = "6"
    & skf21("4","7","2","5","1","6","1","1") = "6"
    & skf21("4","7","2","5","1","6","2","1") = "6"
    & skf21("4","7","2","5","1","6","3","1") = "6"
    & skf21("4","7","2","5","1","6","4","1") = "6"
    & skf21("4","7","2","5","1","6","5","1") = "6"
    & skf21("4","7","2","5","1","6","6","1") = "6"
    & skf21("4","7","2","5","1","6","7","1") = "6"
    & skf21("4","7","2","5","1","7","1","1") = "6"
    & skf21("4","7","2","5","1","7","2","1") = "6"
    & skf21("4","7","2","5","1","7","3","1") = "6"
    & skf21("4","7","2","5","1","7","4","1") = "6"
    & skf21("4","7","2","5","1","7","5","1") = "6"
    & skf21("4","7","2","5","1","7","6","1") = "6"
    & skf21("4","7","2","5","1","7","7","1") = "6"
    & skf21("4","7","2","5","2","1","1","1") = "6"
    & skf21("4","7","2","5","2","1","2","1") = "6"
    & skf21("4","7","2","5","2","1","3","1") = "6"
    & skf21("4","7","2","5","2","1","4","1") = "6"
    & skf21("4","7","2","5","2","1","5","1") = "6"
    & skf21("4","7","2","5","2","1","6","1") = "6"
    & skf21("4","7","2","5","2","1","7","1") = "6"
    & skf21("4","7","2","5","2","2","1","1") = "6"
    & skf21("4","7","2","5","2","2","2","1") = "6"
    & skf21("4","7","2","5","2","2","3","1") = "6"
    & skf21("4","7","2","5","2","2","4","1") = "6"
    & skf21("4","7","2","5","2","2","5","1") = "6"
    & skf21("4","7","2","5","2","2","6","1") = "6"
    & skf21("4","7","2","5","2","2","7","1") = "6"
    & skf21("4","7","2","5","2","3","1","1") = "6"
    & skf21("4","7","2","5","2","3","2","1") = "6"
    & skf21("4","7","2","5","2","3","3","1") = "6"
    & skf21("4","7","2","5","2","3","4","1") = "6"
    & skf21("4","7","2","5","2","3","5","1") = "6"
    & skf21("4","7","2","5","2","3","6","1") = "6"
    & skf21("4","7","2","5","2","3","7","1") = "6"
    & skf21("4","7","2","5","2","4","1","1") = "6"
    & skf21("4","7","2","5","2","4","2","1") = "6"
    & skf21("4","7","2","5","2","4","3","1") = "6"
    & skf21("4","7","2","5","2","4","4","1") = "6"
    & skf21("4","7","2","5","2","4","5","1") = "6"
    & skf21("4","7","2","5","2","4","6","1") = "6"
    & skf21("4","7","2","5","2","4","7","1") = "6"
    & skf21("4","7","2","5","2","5","1","1") = "6"
    & skf21("4","7","2","5","2","5","2","1") = "6"
    & skf21("4","7","2","5","2","5","3","1") = "6"
    & skf21("4","7","2","5","2","5","4","1") = "6"
    & skf21("4","7","2","5","2","5","5","1") = "6"
    & skf21("4","7","2","5","2","5","6","1") = "6"
    & skf21("4","7","2","5","2","5","7","1") = "6"
    & skf21("4","7","2","5","2","6","1","1") = "6"
    & skf21("4","7","2","5","2","6","2","1") = "6"
    & skf21("4","7","2","5","2","6","3","1") = "6"
    & skf21("4","7","2","5","2","6","4","1") = "6"
    & skf21("4","7","2","5","2","6","5","1") = "6"
    & skf21("4","7","2","5","2","6","6","1") = "6"
    & skf21("4","7","2","5","2","6","7","1") = "6"
    & skf21("4","7","2","5","2","7","1","1") = "6"
    & skf21("4","7","2","5","2","7","2","1") = "6"
    & skf21("4","7","2","5","2","7","3","1") = "6"
    & skf21("4","7","2","5","2","7","4","1") = "6"
    & skf21("4","7","2","5","2","7","5","1") = "6"
    & skf21("4","7","2","5","2","7","6","1") = "6"
    & skf21("4","7","2","5","2","7","7","1") = "6"
    & skf21("4","7","2","5","3","1","1","1") = "6"
    & skf21("4","7","2","5","3","1","2","1") = "6"
    & skf21("4","7","2","5","3","1","3","1") = "6"
    & skf21("4","7","2","5","3","1","4","1") = "6"
    & skf21("4","7","2","5","3","1","5","1") = "6"
    & skf21("4","7","2","5","3","1","6","1") = "6"
    & skf21("4","7","2","5","3","1","7","1") = "6"
    & skf21("4","7","2","5","3","2","1","1") = "6"
    & skf21("4","7","2","5","3","2","2","1") = "6"
    & skf21("4","7","2","5","3","2","3","1") = "6"
    & skf21("4","7","2","5","3","2","4","1") = "6"
    & skf21("4","7","2","5","3","2","5","1") = "6"
    & skf21("4","7","2","5","3","2","6","1") = "6"
    & skf21("4","7","2","5","3","2","7","1") = "6"
    & skf21("4","7","2","5","3","3","1","1") = "6"
    & skf21("4","7","2","5","3","3","2","1") = "6"
    & skf21("4","7","2","5","3","3","3","1") = "6"
    & skf21("4","7","2","5","3","3","4","1") = "6"
    & skf21("4","7","2","5","3","3","5","1") = "6"
    & skf21("4","7","2","5","3","3","6","1") = "6"
    & skf21("4","7","2","5","3","3","7","1") = "6"
    & skf21("4","7","2","5","3","4","1","1") = "6"
    & skf21("4","7","2","5","3","4","2","1") = "6"
    & skf21("4","7","2","5","3","4","3","1") = "6"
    & skf21("4","7","2","5","3","4","4","1") = "6"
    & skf21("4","7","2","5","3","4","5","1") = "6"
    & skf21("4","7","2","5","3","4","6","1") = "6"
    & skf21("4","7","2","5","3","4","7","1") = "6"
    & skf21("4","7","2","5","3","5","1","1") = "6"
    & skf21("4","7","2","5","3","5","2","1") = "6"
    & skf21("4","7","2","5","3","5","3","1") = "6"
    & skf21("4","7","2","5","3","5","4","1") = "6"
    & skf21("4","7","2","5","3","5","5","1") = "6"
    & skf21("4","7","2","5","3","5","6","1") = "6"
    & skf21("4","7","2","5","3","5","7","1") = "6"
    & skf21("4","7","2","5","3","6","1","1") = "6"
    & skf21("4","7","2","5","3","6","2","1") = "6"
    & skf21("4","7","2","5","3","6","3","1") = "6"
    & skf21("4","7","2","5","3","6","4","1") = "6"
    & skf21("4","7","2","5","3","6","5","1") = "6"
    & skf21("4","7","2","5","3","6","6","1") = "6"
    & skf21("4","7","2","5","3","6","7","1") = "6"
    & skf21("4","7","2","5","3","7","1","1") = "6"
    & skf21("4","7","2","5","3","7","2","1") = "6"
    & skf21("4","7","2","5","3","7","3","1") = "6"
    & skf21("4","7","2","5","3","7","4","1") = "6"
    & skf21("4","7","2","5","3","7","5","1") = "6"
    & skf21("4","7","2","5","3","7","6","1") = "6"
    & skf21("4","7","2","5","3","7","7","1") = "6"
    & skf21("4","7","2","5","4","1","1","1") = "6"
    & skf21("4","7","2","5","4","1","2","1") = "6"
    & skf21("4","7","2","5","4","1","3","1") = "6"
    & skf21("4","7","2","5","4","1","4","1") = "6"
    & skf21("4","7","2","5","4","1","5","1") = "6"
    & skf21("4","7","2","5","4","1","6","1") = "6"
    & skf21("4","7","2","5","4","1","7","1") = "6"
    & skf21("4","7","2","5","4","2","1","1") = "6"
    & skf21("4","7","2","5","4","2","2","1") = "6"
    & skf21("4","7","2","5","4","2","3","1") = "6"
    & skf21("4","7","2","5","4","2","4","1") = "6"
    & skf21("4","7","2","5","4","2","5","1") = "6"
    & skf21("4","7","2","5","4","2","6","1") = "6"
    & skf21("4","7","2","5","4","2","7","1") = "6"
    & skf21("4","7","2","5","4","3","1","1") = "6"
    & skf21("4","7","2","5","4","3","2","1") = "6"
    & skf21("4","7","2","5","4","3","3","1") = "6"
    & skf21("4","7","2","5","4","3","4","1") = "6"
    & skf21("4","7","2","5","4","3","5","1") = "6"
    & skf21("4","7","2","5","4","3","6","1") = "6"
    & skf21("4","7","2","5","4","3","7","1") = "6"
    & skf21("4","7","2","5","4","4","1","1") = "6"
    & skf21("4","7","2","5","4","4","2","1") = "6"
    & skf21("4","7","2","5","4","4","3","1") = "6"
    & skf21("4","7","2","5","4","4","4","1") = "6"
    & skf21("4","7","2","5","4","4","5","1") = "6"
    & skf21("4","7","2","5","4","4","6","1") = "6"
    & skf21("4","7","2","5","4","4","7","1") = "6"
    & skf21("4","7","2","5","4","5","1","1") = "6"
    & skf21("4","7","2","5","4","5","2","1") = "6"
    & skf21("4","7","2","5","4","5","3","1") = "6"
    & skf21("4","7","2","5","4","5","4","1") = "6"
    & skf21("4","7","2","5","4","5","5","1") = "6"
    & skf21("4","7","2","5","4","5","6","1") = "6"
    & skf21("4","7","2","5","4","5","7","1") = "6"
    & skf21("4","7","2","5","4","6","1","1") = "6"
    & skf21("4","7","2","5","4","6","2","1") = "6"
    & skf21("4","7","2","5","4","6","3","1") = "6"
    & skf21("4","7","2","5","4","6","4","1") = "6"
    & skf21("4","7","2","5","4","6","5","1") = "6"
    & skf21("4","7","2","5","4","6","6","1") = "6"
    & skf21("4","7","2","5","4","6","7","1") = "6"
    & skf21("4","7","2","5","4","7","1","1") = "6"
    & skf21("4","7","2","5","4","7","2","1") = "6"
    & skf21("4","7","2","5","4","7","3","1") = "6"
    & skf21("4","7","2","5","4","7","4","1") = "6"
    & skf21("4","7","2","5","4","7","5","1") = "6"
    & skf21("4","7","2","5","4","7","6","1") = "6"
    & skf21("4","7","2","5","4","7","7","1") = "6"
    & skf21("4","7","2","5","5","1","1","1") = "6"
    & skf21("4","7","2","5","5","1","2","1") = "6"
    & skf21("4","7","2","5","5","1","3","1") = "6"
    & skf21("4","7","2","5","5","1","4","1") = "6"
    & skf21("4","7","2","5","5","1","5","1") = "6"
    & skf21("4","7","2","5","5","1","6","1") = "6"
    & skf21("4","7","2","5","5","1","7","1") = "6"
    & skf21("4","7","2","5","5","2","1","1") = "6"
    & skf21("4","7","2","5","5","2","2","1") = "6"
    & skf21("4","7","2","5","5","2","3","1") = "6"
    & skf21("4","7","2","5","5","2","4","1") = "6"
    & skf21("4","7","2","5","5","2","5","1") = "6"
    & skf21("4","7","2","5","5","2","6","1") = "6"
    & skf21("4","7","2","5","5","2","7","1") = "6"
    & skf21("4","7","2","5","5","3","1","1") = "6"
    & skf21("4","7","2","5","5","3","2","1") = "6"
    & skf21("4","7","2","5","5","3","3","1") = "6"
    & skf21("4","7","2","5","5","3","4","1") = "6"
    & skf21("4","7","2","5","5","3","5","1") = "6"
    & skf21("4","7","2","5","5","3","6","1") = "6"
    & skf21("4","7","2","5","5","3","7","1") = "6"
    & skf21("4","7","2","5","5","4","1","1") = "6"
    & skf21("4","7","2","5","5","4","2","1") = "6"
    & skf21("4","7","2","5","5","4","3","1") = "6"
    & skf21("4","7","2","5","5","4","4","1") = "6"
    & skf21("4","7","2","5","5","4","5","1") = "6"
    & skf21("4","7","2","5","5","4","6","1") = "6"
    & skf21("4","7","2","5","5","4","7","1") = "6"
    & skf21("4","7","2","5","5","5","1","1") = "6"
    & skf21("4","7","2","5","5","5","2","1") = "6"
    & skf21("4","7","2","5","5","5","3","1") = "6"
    & skf21("4","7","2","5","5","5","4","1") = "6"
    & skf21("4","7","2","5","5","5","5","1") = "6"
    & skf21("4","7","2","5","5","5","6","1") = "6"
    & skf21("4","7","2","5","5","5","7","1") = "6"
    & skf21("4","7","2","5","5","6","1","1") = "6"
    & skf21("4","7","2","5","5","6","2","1") = "6"
    & skf21("4","7","2","5","5","6","3","1") = "6"
    & skf21("4","7","2","5","5","6","4","1") = "6"
    & skf21("4","7","2","5","5","6","5","1") = "6"
    & skf21("4","7","2","5","5","6","6","1") = "6"
    & skf21("4","7","2","5","5","6","7","1") = "6"
    & skf21("4","7","2","5","5","7","1","1") = "6"
    & skf21("4","7","2","5","5","7","2","1") = "6"
    & skf21("4","7","2","5","5","7","3","1") = "6"
    & skf21("4","7","2","5","5","7","4","1") = "6"
    & skf21("4","7","2","5","5","7","5","1") = "6"
    & skf21("4","7","2","5","5","7","6","1") = "6"
    & skf21("4","7","2","5","5","7","7","1") = "6"
    & skf21("4","7","2","5","6","1","1","1") = "6"
    & skf21("4","7","2","5","6","1","2","1") = "6"
    & skf21("4","7","2","5","6","1","3","1") = "6"
    & skf21("4","7","2","5","6","1","4","1") = "6"
    & skf21("4","7","2","5","6","1","5","1") = "6"
    & skf21("4","7","2","5","6","1","6","1") = "6"
    & skf21("4","7","2","5","6","1","7","1") = "6"
    & skf21("4","7","2","5","6","2","1","1") = "6"
    & skf21("4","7","2","5","6","2","2","1") = "6"
    & skf21("4","7","2","5","6","2","3","1") = "6"
    & skf21("4","7","2","5","6","2","4","1") = "6"
    & skf21("4","7","2","5","6","2","5","1") = "6"
    & skf21("4","7","2","5","6","2","6","1") = "6"
    & skf21("4","7","2","5","6","2","7","1") = "6"
    & skf21("4","7","2","5","6","3","1","1") = "6"
    & skf21("4","7","2","5","6","3","2","1") = "6"
    & skf21("4","7","2","5","6","3","3","1") = "6"
    & skf21("4","7","2","5","6","3","4","1") = "6"
    & skf21("4","7","2","5","6","3","5","1") = "6"
    & skf21("4","7","2","5","6","3","6","1") = "6"
    & skf21("4","7","2","5","6","3","7","1") = "6"
    & skf21("4","7","2","5","6","4","1","1") = "6"
    & skf21("4","7","2","5","6","4","2","1") = "6"
    & skf21("4","7","2","5","6","4","3","1") = "6"
    & skf21("4","7","2","5","6","4","4","1") = "6"
    & skf21("4","7","2","5","6","4","5","1") = "6"
    & skf21("4","7","2","5","6","4","6","1") = "6"
    & skf21("4","7","2","5","6","4","7","1") = "6"
    & skf21("4","7","2","5","6","5","1","1") = "6"
    & skf21("4","7","2","5","6","5","2","1") = "6"
    & skf21("4","7","2","5","6","5","3","1") = "6"
    & skf21("4","7","2","5","6","5","4","1") = "6"
    & skf21("4","7","2","5","6","5","5","1") = "6"
    & skf21("4","7","2","5","6","5","6","1") = "6"
    & skf21("4","7","2","5","6","5","7","1") = "6"
    & skf21("4","7","2","5","6","6","1","1") = "6"
    & skf21("4","7","2","5","6","6","2","1") = "6"
    & skf21("4","7","2","5","6","6","3","1") = "6"
    & skf21("4","7","2","5","6","6","4","1") = "6"
    & skf21("4","7","2","5","6","6","5","1") = "6"
    & skf21("4","7","2","5","6","6","6","1") = "6"
    & skf21("4","7","2","5","6","6","7","1") = "6"
    & skf21("4","7","2","5","6","7","1","1") = "6"
    & skf21("4","7","2","5","6","7","2","1") = "6"
    & skf21("4","7","2","5","6","7","3","1") = "6"
    & skf21("4","7","2","5","6","7","4","1") = "6"
    & skf21("4","7","2","5","6","7","5","1") = "6"
    & skf21("4","7","2","5","6","7","6","1") = "6"
    & skf21("4","7","2","5","6","7","7","1") = "6"
    & skf21("4","7","2","5","7","1","1","1") = "6"
    & skf21("4","7","2","5","7","1","2","1") = "6"
    & skf21("4","7","2","5","7","1","3","1") = "6"
    & skf21("4","7","2","5","7","1","4","1") = "6"
    & skf21("4","7","2","5","7","1","5","1") = "6"
    & skf21("4","7","2","5","7","1","6","1") = "6"
    & skf21("4","7","2","5","7","1","7","1") = "6"
    & skf21("4","7","2","5","7","2","1","1") = "6"
    & skf21("4","7","2","5","7","2","2","1") = "6"
    & skf21("4","7","2","5","7","2","3","1") = "6"
    & skf21("4","7","2","5","7","2","4","1") = "6"
    & skf21("4","7","2","5","7","2","5","1") = "6"
    & skf21("4","7","2","5","7","2","6","1") = "6"
    & skf21("4","7","2","5","7","2","7","1") = "6"
    & skf21("4","7","2","5","7","3","1","1") = "6"
    & skf21("4","7","2","5","7","3","2","1") = "6"
    & skf21("4","7","2","5","7","3","3","1") = "6"
    & skf21("4","7","2","5","7","3","4","1") = "6"
    & skf21("4","7","2","5","7","3","5","1") = "6"
    & skf21("4","7","2","5","7","3","6","1") = "6"
    & skf21("4","7","2","5","7","3","7","1") = "6"
    & skf21("4","7","2","5","7","4","1","1") = "6"
    & skf21("4","7","2","5","7","4","2","1") = "6"
    & skf21("4","7","2","5","7","4","3","1") = "6"
    & skf21("4","7","2","5","7","4","4","1") = "6"
    & skf21("4","7","2","5","7","4","5","1") = "6"
    & skf21("4","7","2","5","7","4","6","1") = "6"
    & skf21("4","7","2","5","7","4","7","1") = "6"
    & skf21("4","7","2","5","7","5","1","1") = "6"
    & skf21("4","7","2","5","7","5","2","1") = "6"
    & skf21("4","7","2","5","7","5","3","1") = "6"
    & skf21("4","7","2","5","7","5","4","1") = "6"
    & skf21("4","7","2","5","7","5","5","1") = "6"
    & skf21("4","7","2","5","7","5","6","1") = "6"
    & skf21("4","7","2","5","7","5","7","1") = "6"
    & skf21("4","7","2","5","7","6","1","1") = "6"
    & skf21("4","7","2","5","7","6","2","1") = "6"
    & skf21("4","7","2","5","7","6","3","1") = "6"
    & skf21("4","7","2","5","7","6","4","1") = "6"
    & skf21("4","7","2","5","7","6","5","1") = "6"
    & skf21("4","7","2","5","7","6","6","1") = "6"
    & skf21("4","7","2","5","7","6","7","1") = "6"
    & skf21("4","7","2","5","7","7","1","1") = "6"
    & skf21("4","7","2","5","7","7","2","1") = "6"
    & skf21("4","7","2","5","7","7","3","1") = "6"
    & skf21("4","7","2","5","7","7","4","1") = "6"
    & skf21("4","7","2","5","7","7","5","1") = "6"
    & skf21("4","7","2","5","7","7","6","1") = "6"
    & skf21("4","7","2","5","7","7","7","1") = "6"
    & skf21("4","7","2","6","1","1","1","1") = "6"
    & skf21("4","7","2","6","1","1","2","1") = "6"
    & skf21("4","7","2","6","1","1","3","1") = "6"
    & skf21("4","7","2","6","1","1","4","1") = "6"
    & skf21("4","7","2","6","1","1","5","1") = "6"
    & skf21("4","7","2","6","1","1","6","1") = "6"
    & skf21("4","7","2","6","1","1","7","1") = "6"
    & skf21("4","7","2","6","1","2","1","1") = "6"
    & skf21("4","7","2","6","1","2","2","1") = "6"
    & skf21("4","7","2","6","1","2","3","1") = "6"
    & skf21("4","7","2","6","1","2","4","1") = "6"
    & skf21("4","7","2","6","1","2","5","1") = "6"
    & skf21("4","7","2","6","1","2","6","1") = "6"
    & skf21("4","7","2","6","1","2","7","1") = "6"
    & skf21("4","7","2","6","1","3","1","1") = "6"
    & skf21("4","7","2","6","1","3","2","1") = "6"
    & skf21("4","7","2","6","1","3","3","1") = "6"
    & skf21("4","7","2","6","1","3","4","1") = "6"
    & skf21("4","7","2","6","1","3","5","1") = "6"
    & skf21("4","7","2","6","1","3","6","1") = "6"
    & skf21("4","7","2","6","1","3","7","1") = "6"
    & skf21("4","7","2","6","1","4","1","1") = "6"
    & skf21("4","7","2","6","1","4","2","1") = "6"
    & skf21("4","7","2","6","1","4","3","1") = "6"
    & skf21("4","7","2","6","1","4","4","1") = "6"
    & skf21("4","7","2","6","1","4","5","1") = "6"
    & skf21("4","7","2","6","1","4","6","1") = "6"
    & skf21("4","7","2","6","1","4","7","1") = "6"
    & skf21("4","7","2","6","1","5","1","1") = "6"
    & skf21("4","7","2","6","1","5","2","1") = "6"
    & skf21("4","7","2","6","1","5","3","1") = "6"
    & skf21("4","7","2","6","1","5","4","1") = "6"
    & skf21("4","7","2","6","1","5","5","1") = "6"
    & skf21("4","7","2","6","1","5","6","1") = "6"
    & skf21("4","7","2","6","1","5","7","1") = "6"
    & skf21("4","7","2","6","1","6","1","1") = "6"
    & skf21("4","7","2","6","1","6","2","1") = "6"
    & skf21("4","7","2","6","1","6","3","1") = "6"
    & skf21("4","7","2","6","1","6","4","1") = "6"
    & skf21("4","7","2","6","1","6","5","1") = "6"
    & skf21("4","7","2","6","1","6","6","1") = "6"
    & skf21("4","7","2","6","1","6","7","1") = "6"
    & skf21("4","7","2","6","1","7","1","1") = "6"
    & skf21("4","7","2","6","1","7","2","1") = "6"
    & skf21("4","7","2","6","1","7","3","1") = "6"
    & skf21("4","7","2","6","1","7","4","1") = "6"
    & skf21("4","7","2","6","1","7","5","1") = "6"
    & skf21("4","7","2","6","1","7","6","1") = "6"
    & skf21("4","7","2","6","1","7","7","1") = "6"
    & skf21("4","7","2","6","2","1","1","1") = "6"
    & skf21("4","7","2","6","2","1","2","1") = "6"
    & skf21("4","7","2","6","2","1","3","1") = "6"
    & skf21("4","7","2","6","2","1","4","1") = "6"
    & skf21("4","7","2","6","2","1","5","1") = "6"
    & skf21("4","7","2","6","2","1","6","1") = "6"
    & skf21("4","7","2","6","2","1","7","1") = "6"
    & skf21("4","7","2","6","2","2","1","1") = "6"
    & skf21("4","7","2","6","2","2","2","1") = "6"
    & skf21("4","7","2","6","2","2","3","1") = "6"
    & skf21("4","7","2","6","2","2","4","1") = "6"
    & skf21("4","7","2","6","2","2","5","1") = "6"
    & skf21("4","7","2","6","2","2","6","1") = "6"
    & skf21("4","7","2","6","2","2","7","1") = "6"
    & skf21("4","7","2","6","2","3","1","1") = "6"
    & skf21("4","7","2","6","2","3","2","1") = "6"
    & skf21("4","7","2","6","2","3","3","1") = "6"
    & skf21("4","7","2","6","2","3","4","1") = "6"
    & skf21("4","7","2","6","2","3","5","1") = "6"
    & skf21("4","7","2","6","2","3","6","1") = "6"
    & skf21("4","7","2","6","2","3","7","1") = "6"
    & skf21("4","7","2","6","2","4","1","1") = "6"
    & skf21("4","7","2","6","2","4","2","1") = "6"
    & skf21("4","7","2","6","2","4","3","1") = "6"
    & skf21("4","7","2","6","2","4","4","1") = "6"
    & skf21("4","7","2","6","2","4","5","1") = "6"
    & skf21("4","7","2","6","2","4","6","1") = "6"
    & skf21("4","7","2","6","2","4","7","1") = "6"
    & skf21("4","7","2","6","2","5","1","1") = "6"
    & skf21("4","7","2","6","2","5","2","1") = "6"
    & skf21("4","7","2","6","2","5","3","1") = "6"
    & skf21("4","7","2","6","2","5","4","1") = "6"
    & skf21("4","7","2","6","2","5","5","1") = "6"
    & skf21("4","7","2","6","2","5","6","1") = "6"
    & skf21("4","7","2","6","2","5","7","1") = "6"
    & skf21("4","7","2","6","2","6","1","1") = "6"
    & skf21("4","7","2","6","2","6","2","1") = "6"
    & skf21("4","7","2","6","2","6","3","1") = "6"
    & skf21("4","7","2","6","2","6","4","1") = "6"
    & skf21("4","7","2","6","2","6","5","1") = "6"
    & skf21("4","7","2","6","2","6","6","1") = "6"
    & skf21("4","7","2","6","2","6","7","1") = "6"
    & skf21("4","7","2","6","2","7","1","1") = "6"
    & skf21("4","7","2","6","2","7","2","1") = "6"
    & skf21("4","7","2","6","2","7","3","1") = "6"
    & skf21("4","7","2","6","2","7","4","1") = "6"
    & skf21("4","7","2","6","2","7","5","1") = "6"
    & skf21("4","7","2","6","2","7","6","1") = "6"
    & skf21("4","7","2","6","2","7","7","1") = "6"
    & skf21("4","7","2","6","3","1","1","1") = "6"
    & skf21("4","7","2","6","3","1","2","1") = "6"
    & skf21("4","7","2","6","3","1","3","1") = "6"
    & skf21("4","7","2","6","3","1","4","1") = "6"
    & skf21("4","7","2","6","3","1","5","1") = "6"
    & skf21("4","7","2","6","3","1","6","1") = "6"
    & skf21("4","7","2","6","3","1","7","1") = "6"
    & skf21("4","7","2","6","3","2","1","1") = "6"
    & skf21("4","7","2","6","3","2","2","1") = "6"
    & skf21("4","7","2","6","3","2","3","1") = "6"
    & skf21("4","7","2","6","3","2","4","1") = "6"
    & skf21("4","7","2","6","3","2","5","1") = "6"
    & skf21("4","7","2","6","3","2","6","1") = "6"
    & skf21("4","7","2","6","3","2","7","1") = "6"
    & skf21("4","7","2","6","3","3","1","1") = "6"
    & skf21("4","7","2","6","3","3","2","1") = "6"
    & skf21("4","7","2","6","3","3","3","1") = "6"
    & skf21("4","7","2","6","3","3","4","1") = "6"
    & skf21("4","7","2","6","3","3","5","1") = "6"
    & skf21("4","7","2","6","3","3","6","1") = "6"
    & skf21("4","7","2","6","3","3","7","1") = "6"
    & skf21("4","7","2","6","3","4","1","1") = "6"
    & skf21("4","7","2","6","3","4","2","1") = "6"
    & skf21("4","7","2","6","3","4","3","1") = "6"
    & skf21("4","7","2","6","3","4","4","1") = "6"
    & skf21("4","7","2","6","3","4","5","1") = "6"
    & skf21("4","7","2","6","3","4","6","1") = "6"
    & skf21("4","7","2","6","3","4","7","1") = "6"
    & skf21("4","7","2","6","3","5","1","1") = "6"
    & skf21("4","7","2","6","3","5","2","1") = "6"
    & skf21("4","7","2","6","3","5","3","1") = "6"
    & skf21("4","7","2","6","3","5","4","1") = "6"
    & skf21("4","7","2","6","3","5","5","1") = "6"
    & skf21("4","7","2","6","3","5","6","1") = "6"
    & skf21("4","7","2","6","3","5","7","1") = "6"
    & skf21("4","7","2","6","3","6","1","1") = "6"
    & skf21("4","7","2","6","3","6","2","1") = "6"
    & skf21("4","7","2","6","3","6","3","1") = "6"
    & skf21("4","7","2","6","3","6","4","1") = "6"
    & skf21("4","7","2","6","3","6","5","1") = "6"
    & skf21("4","7","2","6","3","6","6","1") = "6"
    & skf21("4","7","2","6","3","6","7","1") = "6"
    & skf21("4","7","2","6","3","7","1","1") = "6"
    & skf21("4","7","2","6","3","7","2","1") = "6"
    & skf21("4","7","2","6","3","7","3","1") = "6"
    & skf21("4","7","2","6","3","7","4","1") = "6"
    & skf21("4","7","2","6","3","7","5","1") = "6"
    & skf21("4","7","2","6","3","7","6","1") = "6"
    & skf21("4","7","2","6","3","7","7","1") = "6"
    & skf21("4","7","2","6","4","1","1","1") = "6"
    & skf21("4","7","2","6","4","1","2","1") = "6"
    & skf21("4","7","2","6","4","1","3","1") = "6"
    & skf21("4","7","2","6","4","1","4","1") = "6"
    & skf21("4","7","2","6","4","1","5","1") = "6"
    & skf21("4","7","2","6","4","1","6","1") = "6"
    & skf21("4","7","2","6","4","1","7","1") = "6"
    & skf21("4","7","2","6","4","2","1","1") = "6"
    & skf21("4","7","2","6","4","2","2","1") = "6"
    & skf21("4","7","2","6","4","2","3","1") = "6"
    & skf21("4","7","2","6","4","2","4","1") = "6"
    & skf21("4","7","2","6","4","2","5","1") = "6"
    & skf21("4","7","2","6","4","2","6","1") = "6"
    & skf21("4","7","2","6","4","2","7","1") = "6"
    & skf21("4","7","2","6","4","3","1","1") = "6"
    & skf21("4","7","2","6","4","3","2","1") = "6"
    & skf21("4","7","2","6","4","3","3","1") = "6"
    & skf21("4","7","2","6","4","3","4","1") = "6"
    & skf21("4","7","2","6","4","3","5","1") = "6"
    & skf21("4","7","2","6","4","3","6","1") = "6"
    & skf21("4","7","2","6","4","3","7","1") = "6"
    & skf21("4","7","2","6","4","4","1","1") = "6"
    & skf21("4","7","2","6","4","4","2","1") = "6"
    & skf21("4","7","2","6","4","4","3","1") = "6"
    & skf21("4","7","2","6","4","4","4","1") = "6"
    & skf21("4","7","2","6","4","4","5","1") = "6"
    & skf21("4","7","2","6","4","4","6","1") = "6"
    & skf21("4","7","2","6","4","4","7","1") = "6"
    & skf21("4","7","2","6","4","5","1","1") = "6"
    & skf21("4","7","2","6","4","5","2","1") = "6"
    & skf21("4","7","2","6","4","5","3","1") = "6"
    & skf21("4","7","2","6","4","5","4","1") = "6"
    & skf21("4","7","2","6","4","5","5","1") = "6"
    & skf21("4","7","2","6","4","5","6","1") = "6"
    & skf21("4","7","2","6","4","5","7","1") = "6"
    & skf21("4","7","2","6","4","6","1","1") = "6"
    & skf21("4","7","2","6","4","6","2","1") = "6"
    & skf21("4","7","2","6","4","6","3","1") = "6"
    & skf21("4","7","2","6","4","6","4","1") = "6"
    & skf21("4","7","2","6","4","6","5","1") = "6"
    & skf21("4","7","2","6","4","6","6","1") = "6"
    & skf21("4","7","2","6","4","6","7","1") = "6"
    & skf21("4","7","2","6","4","7","1","1") = "6"
    & skf21("4","7","2","6","4","7","2","1") = "6"
    & skf21("4","7","2","6","4","7","3","1") = "6"
    & skf21("4","7","2","6","4","7","4","1") = "6"
    & skf21("4","7","2","6","4","7","5","1") = "6"
    & skf21("4","7","2","6","4","7","6","1") = "6"
    & skf21("4","7","2","6","4","7","7","1") = "6"
    & skf21("4","7","2","6","5","1","1","1") = "6"
    & skf21("4","7","2","6","5","1","2","1") = "6"
    & skf21("4","7","2","6","5","1","3","1") = "6"
    & skf21("4","7","2","6","5","1","4","1") = "6"
    & skf21("4","7","2","6","5","1","5","1") = "6"
    & skf21("4","7","2","6","5","1","6","1") = "6"
    & skf21("4","7","2","6","5","1","7","1") = "6"
    & skf21("4","7","2","6","5","2","1","1") = "6"
    & skf21("4","7","2","6","5","2","2","1") = "6"
    & skf21("4","7","2","6","5","2","3","1") = "6"
    & skf21("4","7","2","6","5","2","4","1") = "6"
    & skf21("4","7","2","6","5","2","5","1") = "6"
    & skf21("4","7","2","6","5","2","6","1") = "6"
    & skf21("4","7","2","6","5","2","7","1") = "6"
    & skf21("4","7","2","6","5","3","1","1") = "6"
    & skf21("4","7","2","6","5","3","2","1") = "6"
    & skf21("4","7","2","6","5","3","3","1") = "6"
    & skf21("4","7","2","6","5","3","4","1") = "6"
    & skf21("4","7","2","6","5","3","5","1") = "6"
    & skf21("4","7","2","6","5","3","6","1") = "6"
    & skf21("4","7","2","6","5","3","7","1") = "6"
    & skf21("4","7","2","6","5","4","1","1") = "6"
    & skf21("4","7","2","6","5","4","2","1") = "6"
    & skf21("4","7","2","6","5","4","3","1") = "6"
    & skf21("4","7","2","6","5","4","4","1") = "6"
    & skf21("4","7","2","6","5","4","5","1") = "6"
    & skf21("4","7","2","6","5","4","6","1") = "6"
    & skf21("4","7","2","6","5","4","7","1") = "6"
    & skf21("4","7","2","6","5","5","1","1") = "6"
    & skf21("4","7","2","6","5","5","2","1") = "6"
    & skf21("4","7","2","6","5","5","3","1") = "6"
    & skf21("4","7","2","6","5","5","4","1") = "6"
    & skf21("4","7","2","6","5","5","5","1") = "6"
    & skf21("4","7","2","6","5","5","6","1") = "6"
    & skf21("4","7","2","6","5","5","7","1") = "6"
    & skf21("4","7","2","6","5","6","1","1") = "6"
    & skf21("4","7","2","6","5","6","2","1") = "6"
    & skf21("4","7","2","6","5","6","3","1") = "6"
    & skf21("4","7","2","6","5","6","4","1") = "6"
    & skf21("4","7","2","6","5","6","5","1") = "6"
    & skf21("4","7","2","6","5","6","6","1") = "6"
    & skf21("4","7","2","6","5","6","7","1") = "6"
    & skf21("4","7","2","6","5","7","1","1") = "6"
    & skf21("4","7","2","6","5","7","2","1") = "6"
    & skf21("4","7","2","6","5","7","3","1") = "6"
    & skf21("4","7","2","6","5","7","4","1") = "6"
    & skf21("4","7","2","6","5","7","5","1") = "6"
    & skf21("4","7","2","6","5","7","6","1") = "6"
    & skf21("4","7","2","6","5","7","7","1") = "6"
    & skf21("4","7","2","6","6","1","1","1") = "6"
    & skf21("4","7","2","6","6","1","2","1") = "6"
    & skf21("4","7","2","6","6","1","3","1") = "6"
    & skf21("4","7","2","6","6","1","4","1") = "6"
    & skf21("4","7","2","6","6","1","5","1") = "6"
    & skf21("4","7","2","6","6","1","6","1") = "6"
    & skf21("4","7","2","6","6","1","7","1") = "6"
    & skf21("4","7","2","6","6","2","1","1") = "6"
    & skf21("4","7","2","6","6","2","2","1") = "6"
    & skf21("4","7","2","6","6","2","3","1") = "6"
    & skf21("4","7","2","6","6","2","4","1") = "6"
    & skf21("4","7","2","6","6","2","5","1") = "6"
    & skf21("4","7","2","6","6","2","6","1") = "6"
    & skf21("4","7","2","6","6","2","7","1") = "6"
    & skf21("4","7","2","6","6","3","1","1") = "6"
    & skf21("4","7","2","6","6","3","2","1") = "6"
    & skf21("4","7","2","6","6","3","3","1") = "6"
    & skf21("4","7","2","6","6","3","4","1") = "6"
    & skf21("4","7","2","6","6","3","5","1") = "6"
    & skf21("4","7","2","6","6","3","6","1") = "6"
    & skf21("4","7","2","6","6","3","7","1") = "6"
    & skf21("4","7","2","6","6","4","1","1") = "6"
    & skf21("4","7","2","6","6","4","2","1") = "6"
    & skf21("4","7","2","6","6","4","3","1") = "6"
    & skf21("4","7","2","6","6","4","4","1") = "6"
    & skf21("4","7","2","6","6","4","5","1") = "6"
    & skf21("4","7","2","6","6","4","6","1") = "6"
    & skf21("4","7","2","6","6","4","7","1") = "6"
    & skf21("4","7","2","6","6","5","1","1") = "6"
    & skf21("4","7","2","6","6","5","2","1") = "6"
    & skf21("4","7","2","6","6","5","3","1") = "6"
    & skf21("4","7","2","6","6","5","4","1") = "6"
    & skf21("4","7","2","6","6","5","5","1") = "6"
    & skf21("4","7","2","6","6","5","6","1") = "6"
    & skf21("4","7","2","6","6","5","7","1") = "6"
    & skf21("4","7","2","6","6","6","1","1") = "6"
    & skf21("4","7","2","6","6","6","2","1") = "6"
    & skf21("4","7","2","6","6","6","3","1") = "6"
    & skf21("4","7","2","6","6","6","4","1") = "6"
    & skf21("4","7","2","6","6","6","5","1") = "6"
    & skf21("4","7","2","6","6","6","6","1") = "6"
    & skf21("4","7","2","6","6","6","7","1") = "6"
    & skf21("4","7","2","6","6","7","1","1") = "6"
    & skf21("4","7","2","6","6","7","2","1") = "6"
    & skf21("4","7","2","6","6","7","3","1") = "6"
    & skf21("4","7","2","6","6","7","4","1") = "6"
    & skf21("4","7","2","6","6","7","5","1") = "6"
    & skf21("4","7","2","6","6","7","6","1") = "6"
    & skf21("4","7","2","6","6","7","7","1") = "6"
    & skf21("4","7","2","6","7","1","1","1") = "6"
    & skf21("4","7","2","6","7","1","2","1") = "6"
    & skf21("4","7","2","6","7","1","3","1") = "6"
    & skf21("4","7","2","6","7","1","4","1") = "6"
    & skf21("4","7","2","6","7","1","5","1") = "6"
    & skf21("4","7","2","6","7","1","6","1") = "6"
    & skf21("4","7","2","6","7","1","7","1") = "6"
    & skf21("4","7","2","6","7","2","1","1") = "6"
    & skf21("4","7","2","6","7","2","2","1") = "6"
    & skf21("4","7","2","6","7","2","3","1") = "6"
    & skf21("4","7","2","6","7","2","4","1") = "6"
    & skf21("4","7","2","6","7","2","5","1") = "6"
    & skf21("4","7","2","6","7","2","6","1") = "6"
    & skf21("4","7","2","6","7","2","7","1") = "6"
    & skf21("4","7","2","6","7","3","1","1") = "6"
    & skf21("4","7","2","6","7","3","2","1") = "6"
    & skf21("4","7","2","6","7","3","3","1") = "6"
    & skf21("4","7","2","6","7","3","4","1") = "6"
    & skf21("4","7","2","6","7","3","5","1") = "6"
    & skf21("4","7","2","6","7","3","6","1") = "6"
    & skf21("4","7","2","6","7","3","7","1") = "6"
    & skf21("4","7","2","6","7","4","1","1") = "6"
    & skf21("4","7","2","6","7","4","2","1") = "6"
    & skf21("4","7","2","6","7","4","3","1") = "6"
    & skf21("4","7","2","6","7","4","4","1") = "6"
    & skf21("4","7","2","6","7","4","5","1") = "6"
    & skf21("4","7","2","6","7","4","6","1") = "6"
    & skf21("4","7","2","6","7","4","7","1") = "6"
    & skf21("4","7","2","6","7","5","1","1") = "6"
    & skf21("4","7","2","6","7","5","2","1") = "6"
    & skf21("4","7","2","6","7","5","3","1") = "6"
    & skf21("4","7","2","6","7","5","4","1") = "6"
    & skf21("4","7","2","6","7","5","5","1") = "6"
    & skf21("4","7","2","6","7","5","6","1") = "6"
    & skf21("4","7","2","6","7","5","7","1") = "6"
    & skf21("4","7","2","6","7","6","1","1") = "6"
    & skf21("4","7","2","6","7","6","2","1") = "6"
    & skf21("4","7","2","6","7","6","3","1") = "6"
    & skf21("4","7","2","6","7","6","4","1") = "6"
    & skf21("4","7","2","6","7","6","5","1") = "6"
    & skf21("4","7","2","6","7","6","6","1") = "6"
    & skf21("4","7","2","6","7","6","7","1") = "6"
    & skf21("4","7","2","6","7","7","1","1") = "6"
    & skf21("4","7","2","6","7","7","2","1") = "6"
    & skf21("4","7","2","6","7","7","3","1") = "6"
    & skf21("4","7","2","6","7","7","4","1") = "6"
    & skf21("4","7","2","6","7","7","5","1") = "6"
    & skf21("4","7","2","6","7","7","6","1") = "6"
    & skf21("4","7","2","6","7","7","7","1") = "6"
    & skf21("4","7","2","7","1","1","1","1") = "6"
    & skf21("4","7","2","7","1","1","2","1") = "6"
    & skf21("4","7","2","7","1","1","3","1") = "6"
    & skf21("4","7","2","7","1","1","4","1") = "6"
    & skf21("4","7","2","7","1","1","5","1") = "6"
    & skf21("4","7","2","7","1","1","6","1") = "6"
    & skf21("4","7","2","7","1","1","7","1") = "6"
    & skf21("4","7","2","7","1","2","1","1") = "6"
    & skf21("4","7","2","7","1","2","2","1") = "6"
    & skf21("4","7","2","7","1","2","3","1") = "6"
    & skf21("4","7","2","7","1","2","4","1") = "6"
    & skf21("4","7","2","7","1","2","5","1") = "6"
    & skf21("4","7","2","7","1","2","6","1") = "6"
    & skf21("4","7","2","7","1","2","7","1") = "6"
    & skf21("4","7","2","7","1","3","1","1") = "6"
    & skf21("4","7","2","7","1","3","2","1") = "6"
    & skf21("4","7","2","7","1","3","3","1") = "6"
    & skf21("4","7","2","7","1","3","4","1") = "6"
    & skf21("4","7","2","7","1","3","5","1") = "6"
    & skf21("4","7","2","7","1","3","6","1") = "6"
    & skf21("4","7","2","7","1","3","7","1") = "6"
    & skf21("4","7","2","7","1","4","1","1") = "6"
    & skf21("4","7","2","7","1","4","2","1") = "6"
    & skf21("4","7","2","7","1","4","3","1") = "6"
    & skf21("4","7","2","7","1","4","4","1") = "6"
    & skf21("4","7","2","7","1","4","5","1") = "6"
    & skf21("4","7","2","7","1","4","6","1") = "6"
    & skf21("4","7","2","7","1","4","7","1") = "6"
    & skf21("4","7","2","7","1","5","1","1") = "6"
    & skf21("4","7","2","7","1","5","2","1") = "6"
    & skf21("4","7","2","7","1","5","3","1") = "6"
    & skf21("4","7","2","7","1","5","4","1") = "6"
    & skf21("4","7","2","7","1","5","5","1") = "6"
    & skf21("4","7","2","7","1","5","6","1") = "6"
    & skf21("4","7","2","7","1","5","7","1") = "6"
    & skf21("4","7","2","7","1","6","1","1") = "6"
    & skf21("4","7","2","7","1","6","2","1") = "6"
    & skf21("4","7","2","7","1","6","3","1") = "6"
    & skf21("4","7","2","7","1","6","4","1") = "6"
    & skf21("4","7","2","7","1","6","5","1") = "6"
    & skf21("4","7","2","7","1","6","6","1") = "6"
    & skf21("4","7","2","7","1","6","7","1") = "6"
    & skf21("4","7","2","7","1","7","1","1") = "6"
    & skf21("4","7","2","7","1","7","2","1") = "6"
    & skf21("4","7","2","7","1","7","3","1") = "6"
    & skf21("4","7","2","7","1","7","4","1") = "6"
    & skf21("4","7","2","7","1","7","5","1") = "6"
    & skf21("4","7","2","7","1","7","6","1") = "6"
    & skf21("4","7","2","7","1","7","7","1") = "6"
    & skf21("4","7","2","7","2","1","1","1") = "6"
    & skf21("4","7","2","7","2","1","2","1") = "6"
    & skf21("4","7","2","7","2","1","3","1") = "6"
    & skf21("4","7","2","7","2","1","4","1") = "6"
    & skf21("4","7","2","7","2","1","5","1") = "6"
    & skf21("4","7","2","7","2","1","6","1") = "6"
    & skf21("4","7","2","7","2","1","7","1") = "6"
    & skf21("4","7","2","7","2","2","1","1") = "6"
    & skf21("4","7","2","7","2","2","2","1") = "6"
    & skf21("4","7","2","7","2","2","3","1") = "6"
    & skf21("4","7","2","7","2","2","4","1") = "6"
    & skf21("4","7","2","7","2","2","5","1") = "6"
    & skf21("4","7","2","7","2","2","6","1") = "6"
    & skf21("4","7","2","7","2","2","7","1") = "6"
    & skf21("4","7","2","7","2","3","1","1") = "6"
    & skf21("4","7","2","7","2","3","2","1") = "6"
    & skf21("4","7","2","7","2","3","3","1") = "6"
    & skf21("4","7","2","7","2","3","4","1") = "6"
    & skf21("4","7","2","7","2","3","5","1") = "6"
    & skf21("4","7","2","7","2","3","6","1") = "6"
    & skf21("4","7","2","7","2","3","7","1") = "6"
    & skf21("4","7","2","7","2","4","1","1") = "6"
    & skf21("4","7","2","7","2","4","2","1") = "6"
    & skf21("4","7","2","7","2","4","3","1") = "6"
    & skf21("4","7","2","7","2","4","4","1") = "6"
    & skf21("4","7","2","7","2","4","5","1") = "6"
    & skf21("4","7","2","7","2","4","6","1") = "6"
    & skf21("4","7","2","7","2","4","7","1") = "6"
    & skf21("4","7","2","7","2","5","1","1") = "6"
    & skf21("4","7","2","7","2","5","2","1") = "6"
    & skf21("4","7","2","7","2","5","3","1") = "6"
    & skf21("4","7","2","7","2","5","4","1") = "6"
    & skf21("4","7","2","7","2","5","5","1") = "6"
    & skf21("4","7","2","7","2","5","6","1") = "6"
    & skf21("4","7","2","7","2","5","7","1") = "6"
    & skf21("4","7","2","7","2","6","1","1") = "6"
    & skf21("4","7","2","7","2","6","2","1") = "6"
    & skf21("4","7","2","7","2","6","3","1") = "6"
    & skf21("4","7","2","7","2","6","4","1") = "6"
    & skf21("4","7","2","7","2","6","5","1") = "6"
    & skf21("4","7","2","7","2","6","6","1") = "6"
    & skf21("4","7","2","7","2","6","7","1") = "6"
    & skf21("4","7","2","7","2","7","1","1") = "6"
    & skf21("4","7","2","7","2","7","2","1") = "6"
    & skf21("4","7","2","7","2","7","3","1") = "6"
    & skf21("4","7","2","7","2","7","4","1") = "6"
    & skf21("4","7","2","7","2","7","5","1") = "6"
    & skf21("4","7","2","7","2","7","6","1") = "6"
    & skf21("4","7","2","7","2","7","7","1") = "6"
    & skf21("4","7","2","7","3","1","1","1") = "6"
    & skf21("4","7","2","7","3","1","2","1") = "6"
    & skf21("4","7","2","7","3","1","3","1") = "6"
    & skf21("4","7","2","7","3","1","4","1") = "6"
    & skf21("4","7","2","7","3","1","5","1") = "6"
    & skf21("4","7","2","7","3","1","6","1") = "6"
    & skf21("4","7","2","7","3","1","7","1") = "6"
    & skf21("4","7","2","7","3","2","1","1") = "6"
    & skf21("4","7","2","7","3","2","2","1") = "6"
    & skf21("4","7","2","7","3","2","3","1") = "6"
    & skf21("4","7","2","7","3","2","4","1") = "6"
    & skf21("4","7","2","7","3","2","5","1") = "6"
    & skf21("4","7","2","7","3","2","6","1") = "6"
    & skf21("4","7","2","7","3","2","7","1") = "6"
    & skf21("4","7","2","7","3","3","1","1") = "6"
    & skf21("4","7","2","7","3","3","2","1") = "6"
    & skf21("4","7","2","7","3","3","3","1") = "6"
    & skf21("4","7","2","7","3","3","4","1") = "6"
    & skf21("4","7","2","7","3","3","5","1") = "6"
    & skf21("4","7","2","7","3","3","6","1") = "6"
    & skf21("4","7","2","7","3","3","7","1") = "6"
    & skf21("4","7","2","7","3","4","1","1") = "6"
    & skf21("4","7","2","7","3","4","2","1") = "6"
    & skf21("4","7","2","7","3","4","3","1") = "6"
    & skf21("4","7","2","7","3","4","4","1") = "6"
    & skf21("4","7","2","7","3","4","5","1") = "6"
    & skf21("4","7","2","7","3","4","6","1") = "6"
    & skf21("4","7","2","7","3","4","7","1") = "6"
    & skf21("4","7","2","7","3","5","1","1") = "6"
    & skf21("4","7","2","7","3","5","2","1") = "6"
    & skf21("4","7","2","7","3","5","3","1") = "6"
    & skf21("4","7","2","7","3","5","4","1") = "6"
    & skf21("4","7","2","7","3","5","5","1") = "6"
    & skf21("4","7","2","7","3","5","6","1") = "6"
    & skf21("4","7","2","7","3","5","7","1") = "6"
    & skf21("4","7","2","7","3","6","1","1") = "6"
    & skf21("4","7","2","7","3","6","2","1") = "6"
    & skf21("4","7","2","7","3","6","3","1") = "6"
    & skf21("4","7","2","7","3","6","4","1") = "6"
    & skf21("4","7","2","7","3","6","5","1") = "6"
    & skf21("4","7","2","7","3","6","6","1") = "6"
    & skf21("4","7","2","7","3","6","7","1") = "6"
    & skf21("4","7","2","7","3","7","1","1") = "6"
    & skf21("4","7","2","7","3","7","2","1") = "6"
    & skf21("4","7","2","7","3","7","3","1") = "6"
    & skf21("4","7","2","7","3","7","4","1") = "6"
    & skf21("4","7","2","7","3","7","5","1") = "6"
    & skf21("4","7","2","7","3","7","6","1") = "6"
    & skf21("4","7","2","7","3","7","7","1") = "6"
    & skf21("4","7","2","7","4","1","1","1") = "6"
    & skf21("4","7","2","7","4","1","2","1") = "6"
    & skf21("4","7","2","7","4","1","3","1") = "6"
    & skf21("4","7","2","7","4","1","4","1") = "6"
    & skf21("4","7","2","7","4","1","5","1") = "6"
    & skf21("4","7","2","7","4","1","6","1") = "6"
    & skf21("4","7","2","7","4","1","7","1") = "6"
    & skf21("4","7","2","7","4","2","1","1") = "6"
    & skf21("4","7","2","7","4","2","2","1") = "6"
    & skf21("4","7","2","7","4","2","3","1") = "6"
    & skf21("4","7","2","7","4","2","4","1") = "6"
    & skf21("4","7","2","7","4","2","5","1") = "6"
    & skf21("4","7","2","7","4","2","6","1") = "6"
    & skf21("4","7","2","7","4","2","7","1") = "6"
    & skf21("4","7","2","7","4","3","1","1") = "6"
    & skf21("4","7","2","7","4","3","2","1") = "6"
    & skf21("4","7","2","7","4","3","3","1") = "6"
    & skf21("4","7","2","7","4","3","4","1") = "6"
    & skf21("4","7","2","7","4","3","5","1") = "6"
    & skf21("4","7","2","7","4","3","6","1") = "6"
    & skf21("4","7","2","7","4","3","7","1") = "6"
    & skf21("4","7","2","7","4","4","1","1") = "6"
    & skf21("4","7","2","7","4","4","2","1") = "6"
    & skf21("4","7","2","7","4","4","3","1") = "6"
    & skf21("4","7","2","7","4","4","4","1") = "6"
    & skf21("4","7","2","7","4","4","5","1") = "6"
    & skf21("4","7","2","7","4","4","6","1") = "6"
    & skf21("4","7","2","7","4","4","7","1") = "6"
    & skf21("4","7","2","7","4","5","1","1") = "6"
    & skf21("4","7","2","7","4","5","2","1") = "6"
    & skf21("4","7","2","7","4","5","3","1") = "6"
    & skf21("4","7","2","7","4","5","4","1") = "6"
    & skf21("4","7","2","7","4","5","5","1") = "6"
    & skf21("4","7","2","7","4","5","6","1") = "6"
    & skf21("4","7","2","7","4","5","7","1") = "6"
    & skf21("4","7","2","7","4","6","1","1") = "6"
    & skf21("4","7","2","7","4","6","2","1") = "6"
    & skf21("4","7","2","7","4","6","3","1") = "6"
    & skf21("4","7","2","7","4","6","4","1") = "6"
    & skf21("4","7","2","7","4","6","5","1") = "6"
    & skf21("4","7","2","7","4","6","6","1") = "6"
    & skf21("4","7","2","7","4","6","7","1") = "6"
    & skf21("4","7","2","7","4","7","1","1") = "6"
    & skf21("4","7","2","7","4","7","2","1") = "6"
    & skf21("4","7","2","7","4","7","3","1") = "6"
    & skf21("4","7","2","7","4","7","4","1") = "6"
    & skf21("4","7","2","7","4","7","5","1") = "6"
    & skf21("4","7","2","7","4","7","6","1") = "6"
    & skf21("4","7","2","7","4","7","7","1") = "6"
    & skf21("4","7","2","7","5","1","1","1") = "6"
    & skf21("4","7","2","7","5","1","2","1") = "6"
    & skf21("4","7","2","7","5","1","3","1") = "6"
    & skf21("4","7","2","7","5","1","4","1") = "6"
    & skf21("4","7","2","7","5","1","5","1") = "6"
    & skf21("4","7","2","7","5","1","6","1") = "6"
    & skf21("4","7","2","7","5","1","7","1") = "6"
    & skf21("4","7","2","7","5","2","1","1") = "6"
    & skf21("4","7","2","7","5","2","2","1") = "6"
    & skf21("4","7","2","7","5","2","3","1") = "6"
    & skf21("4","7","2","7","5","2","4","1") = "6"
    & skf21("4","7","2","7","5","2","5","1") = "6"
    & skf21("4","7","2","7","5","2","6","1") = "6"
    & skf21("4","7","2","7","5","2","7","1") = "6"
    & skf21("4","7","2","7","5","3","1","1") = "6"
    & skf21("4","7","2","7","5","3","2","1") = "6"
    & skf21("4","7","2","7","5","3","3","1") = "6"
    & skf21("4","7","2","7","5","3","4","1") = "6"
    & skf21("4","7","2","7","5","3","5","1") = "6"
    & skf21("4","7","2","7","5","3","6","1") = "6"
    & skf21("4","7","2","7","5","3","7","1") = "6"
    & skf21("4","7","2","7","5","4","1","1") = "6"
    & skf21("4","7","2","7","5","4","2","1") = "6"
    & skf21("4","7","2","7","5","4","3","1") = "6"
    & skf21("4","7","2","7","5","4","4","1") = "6"
    & skf21("4","7","2","7","5","4","5","1") = "6"
    & skf21("4","7","2","7","5","4","6","1") = "6"
    & skf21("4","7","2","7","5","4","7","1") = "6"
    & skf21("4","7","2","7","5","5","1","1") = "6"
    & skf21("4","7","2","7","5","5","2","1") = "6"
    & skf21("4","7","2","7","5","5","3","1") = "6"
    & skf21("4","7","2","7","5","5","4","1") = "6"
    & skf21("4","7","2","7","5","5","5","1") = "6"
    & skf21("4","7","2","7","5","5","6","1") = "6"
    & skf21("4","7","2","7","5","5","7","1") = "6"
    & skf21("4","7","2","7","5","6","1","1") = "6"
    & skf21("4","7","2","7","5","6","2","1") = "6"
    & skf21("4","7","2","7","5","6","3","1") = "6"
    & skf21("4","7","2","7","5","6","4","1") = "6"
    & skf21("4","7","2","7","5","6","5","1") = "6"
    & skf21("4","7","2","7","5","6","6","1") = "6"
    & skf21("4","7","2","7","5","6","7","1") = "6"
    & skf21("4","7","2","7","5","7","1","1") = "6"
    & skf21("4","7","2","7","5","7","2","1") = "6"
    & skf21("4","7","2","7","5","7","3","1") = "6"
    & skf21("4","7","2","7","5","7","4","1") = "6"
    & skf21("4","7","2","7","5","7","5","1") = "6"
    & skf21("4","7","2","7","5","7","6","1") = "6"
    & skf21("4","7","2","7","5","7","7","1") = "6"
    & skf21("4","7","2","7","6","1","1","1") = "6"
    & skf21("4","7","2","7","6","1","2","1") = "6"
    & skf21("4","7","2","7","6","1","3","1") = "6"
    & skf21("4","7","2","7","6","1","4","1") = "6"
    & skf21("4","7","2","7","6","1","5","1") = "6"
    & skf21("4","7","2","7","6","1","6","1") = "6"
    & skf21("4","7","2","7","6","1","7","1") = "6"
    & skf21("4","7","2","7","6","2","1","1") = "6"
    & skf21("4","7","2","7","6","2","2","1") = "6"
    & skf21("4","7","2","7","6","2","3","1") = "6"
    & skf21("4","7","2","7","6","2","4","1") = "6"
    & skf21("4","7","2","7","6","2","5","1") = "6"
    & skf21("4","7","2","7","6","2","6","1") = "6"
    & skf21("4","7","2","7","6","2","7","1") = "6"
    & skf21("4","7","2","7","6","3","1","1") = "6"
    & skf21("4","7","2","7","6","3","2","1") = "6"
    & skf21("4","7","2","7","6","3","3","1") = "6"
    & skf21("4","7","2","7","6","3","4","1") = "6"
    & skf21("4","7","2","7","6","3","5","1") = "6"
    & skf21("4","7","2","7","6","3","6","1") = "6"
    & skf21("4","7","2","7","6","3","7","1") = "6"
    & skf21("4","7","2","7","6","4","1","1") = "6"
    & skf21("4","7","2","7","6","4","2","1") = "6"
    & skf21("4","7","2","7","6","4","3","1") = "6"
    & skf21("4","7","2","7","6","4","4","1") = "6"
    & skf21("4","7","2","7","6","4","5","1") = "6"
    & skf21("4","7","2","7","6","4","6","1") = "6"
    & skf21("4","7","2","7","6","4","7","1") = "6"
    & skf21("4","7","2","7","6","5","1","1") = "6"
    & skf21("4","7","2","7","6","5","2","1") = "6"
    & skf21("4","7","2","7","6","5","3","1") = "6"
    & skf21("4","7","2","7","6","5","4","1") = "6"
    & skf21("4","7","2","7","6","5","5","1") = "6"
    & skf21("4","7","2","7","6","5","6","1") = "6"
    & skf21("4","7","2","7","6","5","7","1") = "6"
    & skf21("4","7","2","7","6","6","1","1") = "6"
    & skf21("4","7","2","7","6","6","2","1") = "6"
    & skf21("4","7","2","7","6","6","3","1") = "6"
    & skf21("4","7","2","7","6","6","4","1") = "6"
    & skf21("4","7","2","7","6","6","5","1") = "6"
    & skf21("4","7","2","7","6","6","6","1") = "6"
    & skf21("4","7","2","7","6","6","7","1") = "6"
    & skf21("4","7","2","7","6","7","1","1") = "6"
    & skf21("4","7","2","7","6","7","2","1") = "6"
    & skf21("4","7","2","7","6","7","3","1") = "6"
    & skf21("4","7","2","7","6","7","4","1") = "6"
    & skf21("4","7","2","7","6","7","5","1") = "6"
    & skf21("4","7","2","7","6","7","6","1") = "6"
    & skf21("4","7","2","7","6","7","7","1") = "6"
    & skf21("4","7","2","7","7","1","1","1") = "6"
    & skf21("4","7","2","7","7","1","2","1") = "6"
    & skf21("4","7","2","7","7","1","3","1") = "6"
    & skf21("4","7","2","7","7","1","4","1") = "6"
    & skf21("4","7","2","7","7","1","5","1") = "6"
    & skf21("4","7","2","7","7","1","6","1") = "6"
    & skf21("4","7","2","7","7","1","7","1") = "6"
    & skf21("4","7","2","7","7","2","1","1") = "6"
    & skf21("4","7","2","7","7","2","2","1") = "6"
    & skf21("4","7","2","7","7","2","3","1") = "6"
    & skf21("4","7","2","7","7","2","4","1") = "6"
    & skf21("4","7","2","7","7","2","5","1") = "6"
    & skf21("4","7","2","7","7","2","6","1") = "6"
    & skf21("4","7","2","7","7","2","7","1") = "6"
    & skf21("4","7","2","7","7","3","1","1") = "6"
    & skf21("4","7","2","7","7","3","2","1") = "6"
    & skf21("4","7","2","7","7","3","3","1") = "6"
    & skf21("4","7","2","7","7","3","4","1") = "6"
    & skf21("4","7","2","7","7","3","5","1") = "6"
    & skf21("4","7","2","7","7","3","6","1") = "6"
    & skf21("4","7","2","7","7","3","7","1") = "6"
    & skf21("4","7","2","7","7","4","1","1") = "6"
    & skf21("4","7","2","7","7","4","2","1") = "6"
    & skf21("4","7","2","7","7","4","3","1") = "6"
    & skf21("4","7","2","7","7","4","4","1") = "6"
    & skf21("4","7","2","7","7","4","5","1") = "6"
    & skf21("4","7","2","7","7","4","6","1") = "6"
    & skf21("4","7","2","7","7","4","7","1") = "6"
    & skf21("4","7","2","7","7","5","1","1") = "6"
    & skf21("4","7","2","7","7","5","2","1") = "6"
    & skf21("4","7","2","7","7","5","3","1") = "6"
    & skf21("4","7","2","7","7","5","4","1") = "6"
    & skf21("4","7","2","7","7","5","5","1") = "6"
    & skf21("4","7","2","7","7","5","6","1") = "6"
    & skf21("4","7","2","7","7","5","7","1") = "6"
    & skf21("4","7","2","7","7","6","1","1") = "6"
    & skf21("4","7","2","7","7","6","2","1") = "6"
    & skf21("4","7","2","7","7","6","3","1") = "6"
    & skf21("4","7","2","7","7","6","4","1") = "6"
    & skf21("4","7","2","7","7","6","5","1") = "6"
    & skf21("4","7","2","7","7","6","6","1") = "6"
    & skf21("4","7","2","7","7","6","7","1") = "6"
    & skf21("4","7","2","7","7","7","1","1") = "6"
    & skf21("4","7","2","7","7","7","2","1") = "6"
    & skf21("4","7","2","7","7","7","3","1") = "6"
    & skf21("4","7","2","7","7","7","4","1") = "6"
    & skf21("4","7","2","7","7","7","5","1") = "6"
    & skf21("4","7","2","7","7","7","6","1") = "6"
    & skf21("4","7","2","7","7","7","7","1") = "6"
    & skf21("4","7","3","1","1","1","1","1") = "6"
    & skf21("4","7","3","1","1","1","2","1") = "6"
    & skf21("4","7","3","1","1","1","3","1") = "6"
    & skf21("4","7","3","1","1","1","4","1") = "6"
    & skf21("4","7","3","1","1","1","5","1") = "6"
    & skf21("4","7","3","1","1","1","6","1") = "6"
    & skf21("4","7","3","1","1","1","7","1") = "6"
    & skf21("4","7","3","1","1","2","1","1") = "6"
    & skf21("4","7","3","1","1","2","2","1") = "6"
    & skf21("4","7","3","1","1","2","3","1") = "6"
    & skf21("4","7","3","1","1","2","4","1") = "6"
    & skf21("4","7","3","1","1","2","5","1") = "6"
    & skf21("4","7","3","1","1","2","6","1") = "6"
    & skf21("4","7","3","1","1","2","7","1") = "6"
    & skf21("4","7","3","1","1","3","1","1") = "6"
    & skf21("4","7","3","1","1","3","2","1") = "6"
    & skf21("4","7","3","1","1","3","3","1") = "6"
    & skf21("4","7","3","1","1","3","4","1") = "6"
    & skf21("4","7","3","1","1","3","5","1") = "6"
    & skf21("4","7","3","1","1","3","6","1") = "6"
    & skf21("4","7","3","1","1","3","7","1") = "6"
    & skf21("4","7","3","1","1","4","1","1") = "6"
    & skf21("4","7","3","1","1","4","2","1") = "6"
    & skf21("4","7","3","1","1","4","3","1") = "6"
    & skf21("4","7","3","1","1","4","4","1") = "6"
    & skf21("4","7","3","1","1","4","5","1") = "6"
    & skf21("4","7","3","1","1","4","6","1") = "6"
    & skf21("4","7","3","1","1","4","7","1") = "6"
    & skf21("4","7","3","1","1","5","1","1") = "6"
    & skf21("4","7","3","1","1","5","2","1") = "6"
    & skf21("4","7","3","1","1","5","3","1") = "6"
    & skf21("4","7","3","1","1","5","4","1") = "6"
    & skf21("4","7","3","1","1","5","5","1") = "6"
    & skf21("4","7","3","1","1","5","6","1") = "6"
    & skf21("4","7","3","1","1","5","7","1") = "6"
    & skf21("4","7","3","1","1","6","1","1") = "6"
    & skf21("4","7","3","1","1","6","2","1") = "6"
    & skf21("4","7","3","1","1","6","3","1") = "6"
    & skf21("4","7","3","1","1","6","4","1") = "6"
    & skf21("4","7","3","1","1","6","5","1") = "6"
    & skf21("4","7","3","1","1","6","6","1") = "6"
    & skf21("4","7","3","1","1","6","7","1") = "6"
    & skf21("4","7","3","1","1","7","1","1") = "6"
    & skf21("4","7","3","1","1","7","2","1") = "6"
    & skf21("4","7","3","1","1","7","3","1") = "6"
    & skf21("4","7","3","1","1","7","4","1") = "6"
    & skf21("4","7","3","1","1","7","5","1") = "6"
    & skf21("4","7","3","1","1","7","6","1") = "6"
    & skf21("4","7","3","1","1","7","7","1") = "6"
    & skf21("4","7","3","1","2","1","1","1") = "6"
    & skf21("4","7","3","1","2","1","2","1") = "6"
    & skf21("4","7","3","1","2","1","3","1") = "6"
    & skf21("4","7","3","1","2","1","4","1") = "6"
    & skf21("4","7","3","1","2","1","5","1") = "6"
    & skf21("4","7","3","1","2","1","6","1") = "6"
    & skf21("4","7","3","1","2","1","7","1") = "6"
    & skf21("4","7","3","1","2","2","1","1") = "6"
    & skf21("4","7","3","1","2","2","2","1") = "6"
    & skf21("4","7","3","1","2","2","3","1") = "6"
    & skf21("4","7","3","1","2","2","4","1") = "6"
    & skf21("4","7","3","1","2","2","5","1") = "6"
    & skf21("4","7","3","1","2","2","6","1") = "6"
    & skf21("4","7","3","1","2","2","7","1") = "6"
    & skf21("4","7","3","1","2","3","1","1") = "6"
    & skf21("4","7","3","1","2","3","2","1") = "6"
    & skf21("4","7","3","1","2","3","3","1") = "6"
    & skf21("4","7","3","1","2","3","4","1") = "6"
    & skf21("4","7","3","1","2","3","5","1") = "6"
    & skf21("4","7","3","1","2","3","6","1") = "6"
    & skf21("4","7","3","1","2","3","7","1") = "6"
    & skf21("4","7","3","1","2","4","1","1") = "6"
    & skf21("4","7","3","1","2","4","2","1") = "6"
    & skf21("4","7","3","1","2","4","3","1") = "6"
    & skf21("4","7","3","1","2","4","4","1") = "6"
    & skf21("4","7","3","1","2","4","5","1") = "6"
    & skf21("4","7","3","1","2","4","6","1") = "6"
    & skf21("4","7","3","1","2","4","7","1") = "6"
    & skf21("4","7","3","1","2","5","1","1") = "6"
    & skf21("4","7","3","1","2","5","2","1") = "6"
    & skf21("4","7","3","1","2","5","3","1") = "6"
    & skf21("4","7","3","1","2","5","4","1") = "6"
    & skf21("4","7","3","1","2","5","5","1") = "6"
    & skf21("4","7","3","1","2","5","6","1") = "6"
    & skf21("4","7","3","1","2","5","7","1") = "6"
    & skf21("4","7","3","1","2","6","1","1") = "6"
    & skf21("4","7","3","1","2","6","2","1") = "6"
    & skf21("4","7","3","1","2","6","3","1") = "6"
    & skf21("4","7","3","1","2","6","4","1") = "6"
    & skf21("4","7","3","1","2","6","5","1") = "6"
    & skf21("4","7","3","1","2","6","6","1") = "6"
    & skf21("4","7","3","1","2","6","7","1") = "6"
    & skf21("4","7","3","1","2","7","1","1") = "6"
    & skf21("4","7","3","1","2","7","2","1") = "6"
    & skf21("4","7","3","1","2","7","3","1") = "6"
    & skf21("4","7","3","1","2","7","4","1") = "6"
    & skf21("4","7","3","1","2","7","5","1") = "6"
    & skf21("4","7","3","1","2","7","6","1") = "6"
    & skf21("4","7","3","1","2","7","7","1") = "6"
    & skf21("4","7","3","1","3","1","1","1") = "6"
    & skf21("4","7","3","1","3","1","2","1") = "6"
    & skf21("4","7","3","1","3","1","3","1") = "6"
    & skf21("4","7","3","1","3","1","4","1") = "6"
    & skf21("4","7","3","1","3","1","5","1") = "6"
    & skf21("4","7","3","1","3","1","6","1") = "6"
    & skf21("4","7","3","1","3","1","7","1") = "6"
    & skf21("4","7","3","1","3","2","1","1") = "6"
    & skf21("4","7","3","1","3","2","2","1") = "6"
    & skf21("4","7","3","1","3","2","3","1") = "6"
    & skf21("4","7","3","1","3","2","4","1") = "6"
    & skf21("4","7","3","1","3","2","5","1") = "6"
    & skf21("4","7","3","1","3","2","6","1") = "6"
    & skf21("4","7","3","1","3","2","7","1") = "6"
    & skf21("4","7","3","1","3","3","1","1") = "6"
    & skf21("4","7","3","1","3","3","2","1") = "6"
    & skf21("4","7","3","1","3","3","3","1") = "6"
    & skf21("4","7","3","1","3","3","4","1") = "6"
    & skf21("4","7","3","1","3","3","5","1") = "6"
    & skf21("4","7","3","1","3","3","6","1") = "6"
    & skf21("4","7","3","1","3","3","7","1") = "6"
    & skf21("4","7","3","1","3","4","1","1") = "6"
    & skf21("4","7","3","1","3","4","2","1") = "6"
    & skf21("4","7","3","1","3","4","3","1") = "6"
    & skf21("4","7","3","1","3","4","4","1") = "6"
    & skf21("4","7","3","1","3","4","5","1") = "6"
    & skf21("4","7","3","1","3","4","6","1") = "6"
    & skf21("4","7","3","1","3","4","7","1") = "6"
    & skf21("4","7","3","1","3","5","1","1") = "6"
    & skf21("4","7","3","1","3","5","2","1") = "6"
    & skf21("4","7","3","1","3","5","3","1") = "6"
    & skf21("4","7","3","1","3","5","4","1") = "6"
    & skf21("4","7","3","1","3","5","5","1") = "6"
    & skf21("4","7","3","1","3","5","6","1") = "6"
    & skf21("4","7","3","1","3","5","7","1") = "6"
    & skf21("4","7","3","1","3","6","1","1") = "6"
    & skf21("4","7","3","1","3","6","2","1") = "6"
    & skf21("4","7","3","1","3","6","3","1") = "6"
    & skf21("4","7","3","1","3","6","4","1") = "6"
    & skf21("4","7","3","1","3","6","5","1") = "6"
    & skf21("4","7","3","1","3","6","6","1") = "6"
    & skf21("4","7","3","1","3","6","7","1") = "6"
    & skf21("4","7","3","1","3","7","1","1") = "6"
    & skf21("4","7","3","1","3","7","2","1") = "6"
    & skf21("4","7","3","1","3","7","3","1") = "6"
    & skf21("4","7","3","1","3","7","4","1") = "6"
    & skf21("4","7","3","1","3","7","5","1") = "6"
    & skf21("4","7","3","1","3","7","6","1") = "6"
    & skf21("4","7","3","1","3","7","7","1") = "6"
    & skf21("4","7","3","1","4","1","1","1") = "6"
    & skf21("4","7","3","1","4","1","2","1") = "6"
    & skf21("4","7","3","1","4","1","3","1") = "6"
    & skf21("4","7","3","1","4","1","4","1") = "6"
    & skf21("4","7","3","1","4","1","5","1") = "6"
    & skf21("4","7","3","1","4","1","6","1") = "6"
    & skf21("4","7","3","1","4","1","7","1") = "6"
    & skf21("4","7","3","1","4","2","1","1") = "6"
    & skf21("4","7","3","1","4","2","2","1") = "6"
    & skf21("4","7","3","1","4","2","3","1") = "6"
    & skf21("4","7","3","1","4","2","4","1") = "6"
    & skf21("4","7","3","1","4","2","5","1") = "6"
    & skf21("4","7","3","1","4","2","6","1") = "6"
    & skf21("4","7","3","1","4","2","7","1") = "6"
    & skf21("4","7","3","1","4","3","1","1") = "6"
    & skf21("4","7","3","1","4","3","2","1") = "6"
    & skf21("4","7","3","1","4","3","3","1") = "6"
    & skf21("4","7","3","1","4","3","4","1") = "6"
    & skf21("4","7","3","1","4","3","5","1") = "6"
    & skf21("4","7","3","1","4","3","6","1") = "6"
    & skf21("4","7","3","1","4","3","7","1") = "6"
    & skf21("4","7","3","1","4","4","1","1") = "6"
    & skf21("4","7","3","1","4","4","2","1") = "6"
    & skf21("4","7","3","1","4","4","3","1") = "6"
    & skf21("4","7","3","1","4","4","4","1") = "6"
    & skf21("4","7","3","1","4","4","5","1") = "6"
    & skf21("4","7","3","1","4","4","6","1") = "6"
    & skf21("4","7","3","1","4","4","7","1") = "6"
    & skf21("4","7","3","1","4","5","1","1") = "6"
    & skf21("4","7","3","1","4","5","2","1") = "6"
    & skf21("4","7","3","1","4","5","3","1") = "6"
    & skf21("4","7","3","1","4","5","4","1") = "6"
    & skf21("4","7","3","1","4","5","5","1") = "6"
    & skf21("4","7","3","1","4","5","6","1") = "6"
    & skf21("4","7","3","1","4","5","7","1") = "6"
    & skf21("4","7","3","1","4","6","1","1") = "6"
    & skf21("4","7","3","1","4","6","2","1") = "6"
    & skf21("4","7","3","1","4","6","3","1") = "6"
    & skf21("4","7","3","1","4","6","4","1") = "6"
    & skf21("4","7","3","1","4","6","5","1") = "6"
    & skf21("4","7","3","1","4","6","6","1") = "6"
    & skf21("4","7","3","1","4","6","7","1") = "6"
    & skf21("4","7","3","1","4","7","1","1") = "6"
    & skf21("4","7","3","1","4","7","2","1") = "6"
    & skf21("4","7","3","1","4","7","3","1") = "6"
    & skf21("4","7","3","1","4","7","4","1") = "6"
    & skf21("4","7","3","1","4","7","5","1") = "6"
    & skf21("4","7","3","1","4","7","6","1") = "6"
    & skf21("4","7","3","1","4","7","7","1") = "6"
    & skf21("4","7","3","1","5","1","1","1") = "6"
    & skf21("4","7","3","1","5","1","2","1") = "6"
    & skf21("4","7","3","1","5","1","3","1") = "6"
    & skf21("4","7","3","1","5","1","4","1") = "6"
    & skf21("4","7","3","1","5","1","5","1") = "6"
    & skf21("4","7","3","1","5","1","6","1") = "6"
    & skf21("4","7","3","1","5","1","7","1") = "6"
    & skf21("4","7","3","1","5","2","1","1") = "6"
    & skf21("4","7","3","1","5","2","2","1") = "6"
    & skf21("4","7","3","1","5","2","3","1") = "6"
    & skf21("4","7","3","1","5","2","4","1") = "6"
    & skf21("4","7","3","1","5","2","5","1") = "6"
    & skf21("4","7","3","1","5","2","6","1") = "6"
    & skf21("4","7","3","1","5","2","7","1") = "6"
    & skf21("4","7","3","1","5","3","1","1") = "6"
    & skf21("4","7","3","1","5","3","2","1") = "6"
    & skf21("4","7","3","1","5","3","3","1") = "6"
    & skf21("4","7","3","1","5","3","4","1") = "6"
    & skf21("4","7","3","1","5","3","5","1") = "6"
    & skf21("4","7","3","1","5","3","6","1") = "6"
    & skf21("4","7","3","1","5","3","7","1") = "6"
    & skf21("4","7","3","1","5","4","1","1") = "6"
    & skf21("4","7","3","1","5","4","2","1") = "6"
    & skf21("4","7","3","1","5","4","3","1") = "6"
    & skf21("4","7","3","1","5","4","4","1") = "6"
    & skf21("4","7","3","1","5","4","5","1") = "6"
    & skf21("4","7","3","1","5","4","6","1") = "6"
    & skf21("4","7","3","1","5","4","7","1") = "6"
    & skf21("4","7","3","1","5","5","1","1") = "6"
    & skf21("4","7","3","1","5","5","2","1") = "6"
    & skf21("4","7","3","1","5","5","3","1") = "6"
    & skf21("4","7","3","1","5","5","4","1") = "6"
    & skf21("4","7","3","1","5","5","5","1") = "6"
    & skf21("4","7","3","1","5","5","6","1") = "6"
    & skf21("4","7","3","1","5","5","7","1") = "6"
    & skf21("4","7","3","1","5","6","1","1") = "6"
    & skf21("4","7","3","1","5","6","2","1") = "6"
    & skf21("4","7","3","1","5","6","3","1") = "6"
    & skf21("4","7","3","1","5","6","4","1") = "6"
    & skf21("4","7","3","1","5","6","5","1") = "6"
    & skf21("4","7","3","1","5","6","6","1") = "6"
    & skf21("4","7","3","1","5","6","7","1") = "6"
    & skf21("4","7","3","1","5","7","1","1") = "6"
    & skf21("4","7","3","1","5","7","2","1") = "6"
    & skf21("4","7","3","1","5","7","3","1") = "6"
    & skf21("4","7","3","1","5","7","4","1") = "6"
    & skf21("4","7","3","1","5","7","5","1") = "6"
    & skf21("4","7","3","1","5","7","6","1") = "6"
    & skf21("4","7","3","1","5","7","7","1") = "6"
    & skf21("4","7","3","1","6","1","1","1") = "6"
    & skf21("4","7","3","1","6","1","2","1") = "6"
    & skf21("4","7","3","1","6","1","3","1") = "6"
    & skf21("4","7","3","1","6","1","4","1") = "6"
    & skf21("4","7","3","1","6","1","5","1") = "6"
    & skf21("4","7","3","1","6","1","6","1") = "6"
    & skf21("4","7","3","1","6","1","7","1") = "6"
    & skf21("4","7","3","1","6","2","1","1") = "6"
    & skf21("4","7","3","1","6","2","2","1") = "6"
    & skf21("4","7","3","1","6","2","3","1") = "6"
    & skf21("4","7","3","1","6","2","4","1") = "6"
    & skf21("4","7","3","1","6","2","5","1") = "6"
    & skf21("4","7","3","1","6","2","6","1") = "6"
    & skf21("4","7","3","1","6","2","7","1") = "6"
    & skf21("4","7","3","1","6","3","1","1") = "6"
    & skf21("4","7","3","1","6","3","2","1") = "6"
    & skf21("4","7","3","1","6","3","3","1") = "6"
    & skf21("4","7","3","1","6","3","4","1") = "6"
    & skf21("4","7","3","1","6","3","5","1") = "6"
    & skf21("4","7","3","1","6","3","6","1") = "6"
    & skf21("4","7","3","1","6","3","7","1") = "6"
    & skf21("4","7","3","1","6","4","1","1") = "6"
    & skf21("4","7","3","1","6","4","2","1") = "6"
    & skf21("4","7","3","1","6","4","3","1") = "6"
    & skf21("4","7","3","1","6","4","4","1") = "6"
    & skf21("4","7","3","1","6","4","5","1") = "6"
    & skf21("4","7","3","1","6","4","6","1") = "6"
    & skf21("4","7","3","1","6","4","7","1") = "6"
    & skf21("4","7","3","1","6","5","1","1") = "6"
    & skf21("4","7","3","1","6","5","2","1") = "6"
    & skf21("4","7","3","1","6","5","3","1") = "6"
    & skf21("4","7","3","1","6","5","4","1") = "6"
    & skf21("4","7","3","1","6","5","5","1") = "6"
    & skf21("4","7","3","1","6","5","6","1") = "6"
    & skf21("4","7","3","1","6","5","7","1") = "6"
    & skf21("4","7","3","1","6","6","1","1") = "6"
    & skf21("4","7","3","1","6","6","2","1") = "6"
    & skf21("4","7","3","1","6","6","3","1") = "6"
    & skf21("4","7","3","1","6","6","4","1") = "6"
    & skf21("4","7","3","1","6","6","5","1") = "6"
    & skf21("4","7","3","1","6","6","6","1") = "6"
    & skf21("4","7","3","1","6","6","7","1") = "6"
    & skf21("4","7","3","1","6","7","1","1") = "6"
    & skf21("4","7","3","1","6","7","2","1") = "6"
    & skf21("4","7","3","1","6","7","3","1") = "6"
    & skf21("4","7","3","1","6","7","4","1") = "6"
    & skf21("4","7","3","1","6","7","5","1") = "6"
    & skf21("4","7","3","1","6","7","6","1") = "6"
    & skf21("4","7","3","1","6","7","7","1") = "6"
    & skf21("4","7","3","1","7","1","1","1") = "6"
    & skf21("4","7","3","1","7","1","2","1") = "6"
    & skf21("4","7","3","1","7","1","3","1") = "6"
    & skf21("4","7","3","1","7","1","4","1") = "6"
    & skf21("4","7","3","1","7","1","5","1") = "6"
    & skf21("4","7","3","1","7","1","6","1") = "6"
    & skf21("4","7","3","1","7","1","7","1") = "6"
    & skf21("4","7","3","1","7","2","1","1") = "6"
    & skf21("4","7","3","1","7","2","2","1") = "6"
    & skf21("4","7","3","1","7","2","3","1") = "6"
    & skf21("4","7","3","1","7","2","4","1") = "6"
    & skf21("4","7","3","1","7","2","5","1") = "6"
    & skf21("4","7","3","1","7","2","6","1") = "6"
    & skf21("4","7","3","1","7","2","7","1") = "6"
    & skf21("4","7","3","1","7","3","1","1") = "6"
    & skf21("4","7","3","1","7","3","2","1") = "6"
    & skf21("4","7","3","1","7","3","3","1") = "6"
    & skf21("4","7","3","1","7","3","4","1") = "6"
    & skf21("4","7","3","1","7","3","5","1") = "6"
    & skf21("4","7","3","1","7","3","6","1") = "6"
    & skf21("4","7","3","1","7","3","7","1") = "6"
    & skf21("4","7","3","1","7","4","1","1") = "6"
    & skf21("4","7","3","1","7","4","2","1") = "6"
    & skf21("4","7","3","1","7","4","3","1") = "6"
    & skf21("4","7","3","1","7","4","4","1") = "6"
    & skf21("4","7","3","1","7","4","5","1") = "6"
    & skf21("4","7","3","1","7","4","6","1") = "6"
    & skf21("4","7","3","1","7","4","7","1") = "6"
    & skf21("4","7","3","1","7","5","1","1") = "6"
    & skf21("4","7","3","1","7","5","2","1") = "6"
    & skf21("4","7","3","1","7","5","3","1") = "6"
    & skf21("4","7","3","1","7","5","4","1") = "6"
    & skf21("4","7","3","1","7","5","5","1") = "6"
    & skf21("4","7","3","1","7","5","6","1") = "6"
    & skf21("4","7","3","1","7","5","7","1") = "6"
    & skf21("4","7","3","1","7","6","1","1") = "6"
    & skf21("4","7","3","1","7","6","2","1") = "6"
    & skf21("4","7","3","1","7","6","3","1") = "6"
    & skf21("4","7","3","1","7","6","4","1") = "6"
    & skf21("4","7","3","1","7","6","5","1") = "6"
    & skf21("4","7","3","1","7","6","6","1") = "6"
    & skf21("4","7","3","1","7","6","7","1") = "6"
    & skf21("4","7","3","1","7","7","1","1") = "6"
    & skf21("4","7","3","1","7","7","2","1") = "6"
    & skf21("4","7","3","1","7","7","3","1") = "6"
    & skf21("4","7","3","1","7","7","4","1") = "6"
    & skf21("4","7","3","1","7","7","5","1") = "6"
    & skf21("4","7","3","1","7","7","6","1") = "6"
    & skf21("4","7","3","1","7","7","7","1") = "6"
    & skf21("4","7","3","2","1","1","1","1") = "6"
    & skf21("4","7","3","2","1","1","2","1") = "6"
    & skf21("4","7","3","2","1","1","3","1") = "6"
    & skf21("4","7","3","2","1","1","4","1") = "6"
    & skf21("4","7","3","2","1","1","5","1") = "6"
    & skf21("4","7","3","2","1","1","6","1") = "6"
    & skf21("4","7","3","2","1","1","7","1") = "6"
    & skf21("4","7","3","2","1","2","1","1") = "6"
    & skf21("4","7","3","2","1","2","2","1") = "6"
    & skf21("4","7","3","2","1","2","3","1") = "6"
    & skf21("4","7","3","2","1","2","4","1") = "6"
    & skf21("4","7","3","2","1","2","5","1") = "6"
    & skf21("4","7","3","2","1","2","6","1") = "6"
    & skf21("4","7","3","2","1","2","7","1") = "6"
    & skf21("4","7","3","2","1","3","1","1") = "6"
    & skf21("4","7","3","2","1","3","2","1") = "6"
    & skf21("4","7","3","2","1","3","3","1") = "6"
    & skf21("4","7","3","2","1","3","4","1") = "6"
    & skf21("4","7","3","2","1","3","5","1") = "6"
    & skf21("4","7","3","2","1","3","6","1") = "6"
    & skf21("4","7","3","2","1","3","7","1") = "6"
    & skf21("4","7","3","2","1","4","1","1") = "6"
    & skf21("4","7","3","2","1","4","2","1") = "6"
    & skf21("4","7","3","2","1","4","3","1") = "6"
    & skf21("4","7","3","2","1","4","4","1") = "6"
    & skf21("4","7","3","2","1","4","5","1") = "6"
    & skf21("4","7","3","2","1","4","6","1") = "6"
    & skf21("4","7","3","2","1","4","7","1") = "6"
    & skf21("4","7","3","2","1","5","1","1") = "6"
    & skf21("4","7","3","2","1","5","2","1") = "6"
    & skf21("4","7","3","2","1","5","3","1") = "6"
    & skf21("4","7","3","2","1","5","4","1") = "6"
    & skf21("4","7","3","2","1","5","5","1") = "6"
    & skf21("4","7","3","2","1","5","6","1") = "6"
    & skf21("4","7","3","2","1","5","7","1") = "6"
    & skf21("4","7","3","2","1","6","1","1") = "6"
    & skf21("4","7","3","2","1","6","2","1") = "6"
    & skf21("4","7","3","2","1","6","3","1") = "6"
    & skf21("4","7","3","2","1","6","4","1") = "6"
    & skf21("4","7","3","2","1","6","5","1") = "6"
    & skf21("4","7","3","2","1","6","6","1") = "6"
    & skf21("4","7","3","2","1","6","7","1") = "6"
    & skf21("4","7","3","2","1","7","1","1") = "6"
    & skf21("4","7","3","2","1","7","2","1") = "6"
    & skf21("4","7","3","2","1","7","3","1") = "6"
    & skf21("4","7","3","2","1","7","4","1") = "6"
    & skf21("4","7","3","2","1","7","5","1") = "6"
    & skf21("4","7","3","2","1","7","6","1") = "6"
    & skf21("4","7","3","2","1","7","7","1") = "6"
    & skf21("4","7","3","2","2","1","1","1") = "6"
    & skf21("4","7","3","2","2","1","2","1") = "6"
    & skf21("4","7","3","2","2","1","3","1") = "6"
    & skf21("4","7","3","2","2","1","4","1") = "6"
    & skf21("4","7","3","2","2","1","5","1") = "6"
    & skf21("4","7","3","2","2","1","6","1") = "6"
    & skf21("4","7","3","2","2","1","7","1") = "6"
    & skf21("4","7","3","2","2","2","1","1") = "6"
    & skf21("4","7","3","2","2","2","2","1") = "6"
    & skf21("4","7","3","2","2","2","3","1") = "6"
    & skf21("4","7","3","2","2","2","4","1") = "6"
    & skf21("4","7","3","2","2","2","5","1") = "6"
    & skf21("4","7","3","2","2","2","6","1") = "6"
    & skf21("4","7","3","2","2","2","7","1") = "6"
    & skf21("4","7","3","2","2","3","1","1") = "6"
    & skf21("4","7","3","2","2","3","2","1") = "6"
    & skf21("4","7","3","2","2","3","3","1") = "6"
    & skf21("4","7","3","2","2","3","4","1") = "6"
    & skf21("4","7","3","2","2","3","5","1") = "6"
    & skf21("4","7","3","2","2","3","6","1") = "6"
    & skf21("4","7","3","2","2","3","7","1") = "6"
    & skf21("4","7","3","2","2","4","1","1") = "6"
    & skf21("4","7","3","2","2","4","2","1") = "6"
    & skf21("4","7","3","2","2","4","3","1") = "6"
    & skf21("4","7","3","2","2","4","4","1") = "6"
    & skf21("4","7","3","2","2","4","5","1") = "6"
    & skf21("4","7","3","2","2","4","6","1") = "6"
    & skf21("4","7","3","2","2","4","7","1") = "6"
    & skf21("4","7","3","2","2","5","1","1") = "6"
    & skf21("4","7","3","2","2","5","2","1") = "6"
    & skf21("4","7","3","2","2","5","3","1") = "6"
    & skf21("4","7","3","2","2","5","4","1") = "6"
    & skf21("4","7","3","2","2","5","5","1") = "6"
    & skf21("4","7","3","2","2","5","6","1") = "6"
    & skf21("4","7","3","2","2","5","7","1") = "6"
    & skf21("4","7","3","2","2","6","1","1") = "6"
    & skf21("4","7","3","2","2","6","2","1") = "6"
    & skf21("4","7","3","2","2","6","3","1") = "6"
    & skf21("4","7","3","2","2","6","4","1") = "6"
    & skf21("4","7","3","2","2","6","5","1") = "6"
    & skf21("4","7","3","2","2","6","6","1") = "6"
    & skf21("4","7","3","2","2","6","7","1") = "6"
    & skf21("4","7","3","2","2","7","1","1") = "6"
    & skf21("4","7","3","2","2","7","2","1") = "6"
    & skf21("4","7","3","2","2","7","3","1") = "6"
    & skf21("4","7","3","2","2","7","4","1") = "6"
    & skf21("4","7","3","2","2","7","5","1") = "6"
    & skf21("4","7","3","2","2","7","6","1") = "6"
    & skf21("4","7","3","2","2","7","7","1") = "6"
    & skf21("4","7","3","2","3","1","1","1") = "6"
    & skf21("4","7","3","2","3","1","2","1") = "6"
    & skf21("4","7","3","2","3","1","3","1") = "6"
    & skf21("4","7","3","2","3","1","4","1") = "6"
    & skf21("4","7","3","2","3","1","5","1") = "6"
    & skf21("4","7","3","2","3","1","6","1") = "6"
    & skf21("4","7","3","2","3","1","7","1") = "6"
    & skf21("4","7","3","2","3","2","1","1") = "6"
    & skf21("4","7","3","2","3","2","2","1") = "6"
    & skf21("4","7","3","2","3","2","3","1") = "6"
    & skf21("4","7","3","2","3","2","4","1") = "6"
    & skf21("4","7","3","2","3","2","5","1") = "6"
    & skf21("4","7","3","2","3","2","6","1") = "6"
    & skf21("4","7","3","2","3","2","7","1") = "6"
    & skf21("4","7","3","2","3","3","1","1") = "6"
    & skf21("4","7","3","2","3","3","2","1") = "6"
    & skf21("4","7","3","2","3","3","3","1") = "6"
    & skf21("4","7","3","2","3","3","4","1") = "6"
    & skf21("4","7","3","2","3","3","5","1") = "6"
    & skf21("4","7","3","2","3","3","6","1") = "6"
    & skf21("4","7","3","2","3","3","7","1") = "6"
    & skf21("4","7","3","2","3","4","1","1") = "6"
    & skf21("4","7","3","2","3","4","2","1") = "6"
    & skf21("4","7","3","2","3","4","3","1") = "6"
    & skf21("4","7","3","2","3","4","4","1") = "6"
    & skf21("4","7","3","2","3","4","5","1") = "6"
    & skf21("4","7","3","2","3","4","6","1") = "6"
    & skf21("4","7","3","2","3","4","7","1") = "6"
    & skf21("4","7","3","2","3","5","1","1") = "6"
    & skf21("4","7","3","2","3","5","2","1") = "6"
    & skf21("4","7","3","2","3","5","3","1") = "6"
    & skf21("4","7","3","2","3","5","4","1") = "6"
    & skf21("4","7","3","2","3","5","5","1") = "6"
    & skf21("4","7","3","2","3","5","6","1") = "6"
    & skf21("4","7","3","2","3","5","7","1") = "6"
    & skf21("4","7","3","2","3","6","1","1") = "6"
    & skf21("4","7","3","2","3","6","2","1") = "6"
    & skf21("4","7","3","2","3","6","3","1") = "6"
    & skf21("4","7","3","2","3","6","4","1") = "6"
    & skf21("4","7","3","2","3","6","5","1") = "6"
    & skf21("4","7","3","2","3","6","6","1") = "6"
    & skf21("4","7","3","2","3","6","7","1") = "6"
    & skf21("4","7","3","2","3","7","1","1") = "6"
    & skf21("4","7","3","2","3","7","2","1") = "6"
    & skf21("4","7","3","2","3","7","3","1") = "6"
    & skf21("4","7","3","2","3","7","4","1") = "6"
    & skf21("4","7","3","2","3","7","5","1") = "6"
    & skf21("4","7","3","2","3","7","6","1") = "6"
    & skf21("4","7","3","2","3","7","7","1") = "6"
    & skf21("4","7","3","2","4","1","1","1") = "6"
    & skf21("4","7","3","2","4","1","2","1") = "6"
    & skf21("4","7","3","2","4","1","3","1") = "6"
    & skf21("4","7","3","2","4","1","4","1") = "6"
    & skf21("4","7","3","2","4","1","5","1") = "6"
    & skf21("4","7","3","2","4","1","6","1") = "6"
    & skf21("4","7","3","2","4","1","7","1") = "6"
    & skf21("4","7","3","2","4","2","1","1") = "6"
    & skf21("4","7","3","2","4","2","2","1") = "6"
    & skf21("4","7","3","2","4","2","3","1") = "6"
    & skf21("4","7","3","2","4","2","4","1") = "6"
    & skf21("4","7","3","2","4","2","5","1") = "6"
    & skf21("4","7","3","2","4","2","6","1") = "6"
    & skf21("4","7","3","2","4","2","7","1") = "6"
    & skf21("4","7","3","2","4","3","1","1") = "6"
    & skf21("4","7","3","2","4","3","2","1") = "6"
    & skf21("4","7","3","2","4","3","3","1") = "6"
    & skf21("4","7","3","2","4","3","4","1") = "6"
    & skf21("4","7","3","2","4","3","5","1") = "6"
    & skf21("4","7","3","2","4","3","6","1") = "6"
    & skf21("4","7","3","2","4","3","7","1") = "6"
    & skf21("4","7","3","2","4","4","1","1") = "6"
    & skf21("4","7","3","2","4","4","2","1") = "6"
    & skf21("4","7","3","2","4","4","3","1") = "6"
    & skf21("4","7","3","2","4","4","4","1") = "6"
    & skf21("4","7","3","2","4","4","5","1") = "6"
    & skf21("4","7","3","2","4","4","6","1") = "6"
    & skf21("4","7","3","2","4","4","7","1") = "6"
    & skf21("4","7","3","2","4","5","1","1") = "6"
    & skf21("4","7","3","2","4","5","2","1") = "6"
    & skf21("4","7","3","2","4","5","3","1") = "6"
    & skf21("4","7","3","2","4","5","4","1") = "6"
    & skf21("4","7","3","2","4","5","5","1") = "6"
    & skf21("4","7","3","2","4","5","6","1") = "6"
    & skf21("4","7","3","2","4","5","7","1") = "6"
    & skf21("4","7","3","2","4","6","1","1") = "6"
    & skf21("4","7","3","2","4","6","2","1") = "6"
    & skf21("4","7","3","2","4","6","3","1") = "6"
    & skf21("4","7","3","2","4","6","4","1") = "6"
    & skf21("4","7","3","2","4","6","5","1") = "6"
    & skf21("4","7","3","2","4","6","6","1") = "6"
    & skf21("4","7","3","2","4","6","7","1") = "6"
    & skf21("4","7","3","2","4","7","1","1") = "6"
    & skf21("4","7","3","2","4","7","2","1") = "6"
    & skf21("4","7","3","2","4","7","3","1") = "6"
    & skf21("4","7","3","2","4","7","4","1") = "6"
    & skf21("4","7","3","2","4","7","5","1") = "6"
    & skf21("4","7","3","2","4","7","6","1") = "6"
    & skf21("4","7","3","2","4","7","7","1") = "6"
    & skf21("4","7","3","2","5","1","1","1") = "6"
    & skf21("4","7","3","2","5","1","2","1") = "6"
    & skf21("4","7","3","2","5","1","3","1") = "6"
    & skf21("4","7","3","2","5","1","4","1") = "6"
    & skf21("4","7","3","2","5","1","5","1") = "6"
    & skf21("4","7","3","2","5","1","6","1") = "6"
    & skf21("4","7","3","2","5","1","7","1") = "6"
    & skf21("4","7","3","2","5","2","1","1") = "6"
    & skf21("4","7","3","2","5","2","2","1") = "6"
    & skf21("4","7","3","2","5","2","3","1") = "6"
    & skf21("4","7","3","2","5","2","4","1") = "6"
    & skf21("4","7","3","2","5","2","5","1") = "6"
    & skf21("4","7","3","2","5","2","6","1") = "6"
    & skf21("4","7","3","2","5","2","7","1") = "6"
    & skf21("4","7","3","2","5","3","1","1") = "6"
    & skf21("4","7","3","2","5","3","2","1") = "6"
    & skf21("4","7","3","2","5","3","3","1") = "6"
    & skf21("4","7","3","2","5","3","4","1") = "6"
    & skf21("4","7","3","2","5","3","5","1") = "6"
    & skf21("4","7","3","2","5","3","6","1") = "6"
    & skf21("4","7","3","2","5","3","7","1") = "6"
    & skf21("4","7","3","2","5","4","1","1") = "6"
    & skf21("4","7","3","2","5","4","2","1") = "6"
    & skf21("4","7","3","2","5","4","3","1") = "6"
    & skf21("4","7","3","2","5","4","4","1") = "6"
    & skf21("4","7","3","2","5","4","5","1") = "6"
    & skf21("4","7","3","2","5","4","6","1") = "6"
    & skf21("4","7","3","2","5","4","7","1") = "6"
    & skf21("4","7","3","2","5","5","1","1") = "6"
    & skf21("4","7","3","2","5","5","2","1") = "6"
    & skf21("4","7","3","2","5","5","3","1") = "6"
    & skf21("4","7","3","2","5","5","4","1") = "6"
    & skf21("4","7","3","2","5","5","5","1") = "6"
    & skf21("4","7","3","2","5","5","6","1") = "6"
    & skf21("4","7","3","2","5","5","7","1") = "6"
    & skf21("4","7","3","2","5","6","1","1") = "6"
    & skf21("4","7","3","2","5","6","2","1") = "6"
    & skf21("4","7","3","2","5","6","3","1") = "6"
    & skf21("4","7","3","2","5","6","4","1") = "6"
    & skf21("4","7","3","2","5","6","5","1") = "6"
    & skf21("4","7","3","2","5","6","6","1") = "6"
    & skf21("4","7","3","2","5","6","7","1") = "6"
    & skf21("4","7","3","2","5","7","1","1") = "6"
    & skf21("4","7","3","2","5","7","2","1") = "6"
    & skf21("4","7","3","2","5","7","3","1") = "6"
    & skf21("4","7","3","2","5","7","4","1") = "6"
    & skf21("4","7","3","2","5","7","5","1") = "6"
    & skf21("4","7","3","2","5","7","6","1") = "6"
    & skf21("4","7","3","2","5","7","7","1") = "6"
    & skf21("4","7","3","2","6","1","1","1") = "6"
    & skf21("4","7","3","2","6","1","2","1") = "6"
    & skf21("4","7","3","2","6","1","3","1") = "6"
    & skf21("4","7","3","2","6","1","4","1") = "6"
    & skf21("4","7","3","2","6","1","5","1") = "6"
    & skf21("4","7","3","2","6","1","6","1") = "6"
    & skf21("4","7","3","2","6","1","7","1") = "6"
    & skf21("4","7","3","2","6","2","1","1") = "6"
    & skf21("4","7","3","2","6","2","2","1") = "6"
    & skf21("4","7","3","2","6","2","3","1") = "6"
    & skf21("4","7","3","2","6","2","4","1") = "6"
    & skf21("4","7","3","2","6","2","5","1") = "6"
    & skf21("4","7","3","2","6","2","6","1") = "6"
    & skf21("4","7","3","2","6","2","7","1") = "6"
    & skf21("4","7","3","2","6","3","1","1") = "6"
    & skf21("4","7","3","2","6","3","2","1") = "6"
    & skf21("4","7","3","2","6","3","3","1") = "6"
    & skf21("4","7","3","2","6","3","4","1") = "6"
    & skf21("4","7","3","2","6","3","5","1") = "6"
    & skf21("4","7","3","2","6","3","6","1") = "6"
    & skf21("4","7","3","2","6","3","7","1") = "6"
    & skf21("4","7","3","2","6","4","1","1") = "6"
    & skf21("4","7","3","2","6","4","2","1") = "6"
    & skf21("4","7","3","2","6","4","3","1") = "6"
    & skf21("4","7","3","2","6","4","4","1") = "6"
    & skf21("4","7","3","2","6","4","5","1") = "6"
    & skf21("4","7","3","2","6","4","6","1") = "6"
    & skf21("4","7","3","2","6","4","7","1") = "6"
    & skf21("4","7","3","2","6","5","1","1") = "6"
    & skf21("4","7","3","2","6","5","2","1") = "6"
    & skf21("4","7","3","2","6","5","3","1") = "6"
    & skf21("4","7","3","2","6","5","4","1") = "6"
    & skf21("4","7","3","2","6","5","5","1") = "6"
    & skf21("4","7","3","2","6","5","6","1") = "6"
    & skf21("4","7","3","2","6","5","7","1") = "6"
    & skf21("4","7","3","2","6","6","1","1") = "6"
    & skf21("4","7","3","2","6","6","2","1") = "6"
    & skf21("4","7","3","2","6","6","3","1") = "6"
    & skf21("4","7","3","2","6","6","4","1") = "6"
    & skf21("4","7","3","2","6","6","5","1") = "6"
    & skf21("4","7","3","2","6","6","6","1") = "6"
    & skf21("4","7","3","2","6","6","7","1") = "6"
    & skf21("4","7","3","2","6","7","1","1") = "6"
    & skf21("4","7","3","2","6","7","2","1") = "6"
    & skf21("4","7","3","2","6","7","3","1") = "6"
    & skf21("4","7","3","2","6","7","4","1") = "6"
    & skf21("4","7","3","2","6","7","5","1") = "6"
    & skf21("4","7","3","2","6","7","6","1") = "6"
    & skf21("4","7","3","2","6","7","7","1") = "6"
    & skf21("4","7","3","2","7","1","1","1") = "6"
    & skf21("4","7","3","2","7","1","2","1") = "6"
    & skf21("4","7","3","2","7","1","3","1") = "6"
    & skf21("4","7","3","2","7","1","4","1") = "6"
    & skf21("4","7","3","2","7","1","5","1") = "6"
    & skf21("4","7","3","2","7","1","6","1") = "6"
    & skf21("4","7","3","2","7","1","7","1") = "6"
    & skf21("4","7","3","2","7","2","1","1") = "6"
    & skf21("4","7","3","2","7","2","2","1") = "6"
    & skf21("4","7","3","2","7","2","3","1") = "6"
    & skf21("4","7","3","2","7","2","4","1") = "6"
    & skf21("4","7","3","2","7","2","5","1") = "6"
    & skf21("4","7","3","2","7","2","6","1") = "6"
    & skf21("4","7","3","2","7","2","7","1") = "6"
    & skf21("4","7","3","2","7","3","1","1") = "6"
    & skf21("4","7","3","2","7","3","2","1") = "6"
    & skf21("4","7","3","2","7","3","3","1") = "6"
    & skf21("4","7","3","2","7","3","4","1") = "6"
    & skf21("4","7","3","2","7","3","5","1") = "6"
    & skf21("4","7","3","2","7","3","6","1") = "6"
    & skf21("4","7","3","2","7","3","7","1") = "6"
    & skf21("4","7","3","2","7","4","1","1") = "6"
    & skf21("4","7","3","2","7","4","2","1") = "6"
    & skf21("4","7","3","2","7","4","3","1") = "6"
    & skf21("4","7","3","2","7","4","4","1") = "6"
    & skf21("4","7","3","2","7","4","5","1") = "6"
    & skf21("4","7","3","2","7","4","6","1") = "6"
    & skf21("4","7","3","2","7","4","7","1") = "6"
    & skf21("4","7","3","2","7","5","1","1") = "6"
    & skf21("4","7","3","2","7","5","2","1") = "6"
    & skf21("4","7","3","2","7","5","3","1") = "6"
    & skf21("4","7","3","2","7","5","4","1") = "6"
    & skf21("4","7","3","2","7","5","5","1") = "6"
    & skf21("4","7","3","2","7","5","6","1") = "6"
    & skf21("4","7","3","2","7","5","7","1") = "6"
    & skf21("4","7","3","2","7","6","1","1") = "6"
    & skf21("4","7","3","2","7","6","2","1") = "6"
    & skf21("4","7","3","2","7","6","3","1") = "6"
    & skf21("4","7","3","2","7","6","4","1") = "6"
    & skf21("4","7","3","2","7","6","5","1") = "6"
    & skf21("4","7","3","2","7","6","6","1") = "6"
    & skf21("4","7","3","2","7","6","7","1") = "6"
    & skf21("4","7","3","2","7","7","1","1") = "6"
    & skf21("4","7","3","2","7","7","2","1") = "6"
    & skf21("4","7","3","2","7","7","3","1") = "6"
    & skf21("4","7","3","2","7","7","4","1") = "6"
    & skf21("4","7","3","2","7","7","5","1") = "6"
    & skf21("4","7","3","2","7","7","6","1") = "6"
    & skf21("4","7","3","2","7","7","7","1") = "6"
    & skf21("4","7","3","3","1","1","1","1") = "6"
    & skf21("4","7","3","3","1","1","2","1") = "6"
    & skf21("4","7","3","3","1","1","3","1") = "6"
    & skf21("4","7","3","3","1","1","4","1") = "6"
    & skf21("4","7","3","3","1","1","5","1") = "6"
    & skf21("4","7","3","3","1","1","6","1") = "6"
    & skf21("4","7","3","3","1","1","7","1") = "6"
    & skf21("4","7","3","3","1","2","1","1") = "6"
    & skf21("4","7","3","3","1","2","2","1") = "6"
    & skf21("4","7","3","3","1","2","3","1") = "6"
    & skf21("4","7","3","3","1","2","4","1") = "6"
    & skf21("4","7","3","3","1","2","5","1") = "6"
    & skf21("4","7","3","3","1","2","6","1") = "6"
    & skf21("4","7","3","3","1","2","7","1") = "6"
    & skf21("4","7","3","3","1","3","1","1") = "6"
    & skf21("4","7","3","3","1","3","2","1") = "6"
    & skf21("4","7","3","3","1","3","3","1") = "6"
    & skf21("4","7","3","3","1","3","4","1") = "6"
    & skf21("4","7","3","3","1","3","5","1") = "6"
    & skf21("4","7","3","3","1","3","6","1") = "6"
    & skf21("4","7","3","3","1","3","7","1") = "6"
    & skf21("4","7","3","3","1","4","1","1") = "6"
    & skf21("4","7","3","3","1","4","2","1") = "6"
    & skf21("4","7","3","3","1","4","3","1") = "6"
    & skf21("4","7","3","3","1","4","4","1") = "6"
    & skf21("4","7","3","3","1","4","5","1") = "6"
    & skf21("4","7","3","3","1","4","6","1") = "6"
    & skf21("4","7","3","3","1","4","7","1") = "6"
    & skf21("4","7","3","3","1","5","1","1") = "6"
    & skf21("4","7","3","3","1","5","2","1") = "6"
    & skf21("4","7","3","3","1","5","3","1") = "6"
    & skf21("4","7","3","3","1","5","4","1") = "6"
    & skf21("4","7","3","3","1","5","5","1") = "6"
    & skf21("4","7","3","3","1","5","6","1") = "6"
    & skf21("4","7","3","3","1","5","7","1") = "6"
    & skf21("4","7","3","3","1","6","1","1") = "6"
    & skf21("4","7","3","3","1","6","2","1") = "6"
    & skf21("4","7","3","3","1","6","3","1") = "6"
    & skf21("4","7","3","3","1","6","4","1") = "6"
    & skf21("4","7","3","3","1","6","5","1") = "6"
    & skf21("4","7","3","3","1","6","6","1") = "6"
    & skf21("4","7","3","3","1","6","7","1") = "6"
    & skf21("4","7","3","3","1","7","1","1") = "6"
    & skf21("4","7","3","3","1","7","2","1") = "6"
    & skf21("4","7","3","3","1","7","3","1") = "6"
    & skf21("4","7","3","3","1","7","4","1") = "6"
    & skf21("4","7","3","3","1","7","5","1") = "6"
    & skf21("4","7","3","3","1","7","6","1") = "6"
    & skf21("4","7","3","3","1","7","7","1") = "6"
    & skf21("4","7","3","3","2","1","1","1") = "6"
    & skf21("4","7","3","3","2","1","2","1") = "6"
    & skf21("4","7","3","3","2","1","3","1") = "6"
    & skf21("4","7","3","3","2","1","4","1") = "6"
    & skf21("4","7","3","3","2","1","5","1") = "6"
    & skf21("4","7","3","3","2","1","6","1") = "6"
    & skf21("4","7","3","3","2","1","7","1") = "6"
    & skf21("4","7","3","3","2","2","1","1") = "6"
    & skf21("4","7","3","3","2","2","2","1") = "6"
    & skf21("4","7","3","3","2","2","3","1") = "6"
    & skf21("4","7","3","3","2","2","4","1") = "6"
    & skf21("4","7","3","3","2","2","5","1") = "6"
    & skf21("4","7","3","3","2","2","6","1") = "6"
    & skf21("4","7","3","3","2","2","7","1") = "6"
    & skf21("4","7","3","3","2","3","1","1") = "6"
    & skf21("4","7","3","3","2","3","2","1") = "6"
    & skf21("4","7","3","3","2","3","3","1") = "6"
    & skf21("4","7","3","3","2","3","4","1") = "6"
    & skf21("4","7","3","3","2","3","5","1") = "6"
    & skf21("4","7","3","3","2","3","6","1") = "6"
    & skf21("4","7","3","3","2","3","7","1") = "6"
    & skf21("4","7","3","3","2","4","1","1") = "6"
    & skf21("4","7","3","3","2","4","2","1") = "6"
    & skf21("4","7","3","3","2","4","3","1") = "6"
    & skf21("4","7","3","3","2","4","4","1") = "6"
    & skf21("4","7","3","3","2","4","5","1") = "6"
    & skf21("4","7","3","3","2","4","6","1") = "6"
    & skf21("4","7","3","3","2","4","7","1") = "6"
    & skf21("4","7","3","3","2","5","1","1") = "6"
    & skf21("4","7","3","3","2","5","2","1") = "6"
    & skf21("4","7","3","3","2","5","3","1") = "6"
    & skf21("4","7","3","3","2","5","4","1") = "6"
    & skf21("4","7","3","3","2","5","5","1") = "6"
    & skf21("4","7","3","3","2","5","6","1") = "6"
    & skf21("4","7","3","3","2","5","7","1") = "6"
    & skf21("4","7","3","3","2","6","1","1") = "6"
    & skf21("4","7","3","3","2","6","2","1") = "6"
    & skf21("4","7","3","3","2","6","3","1") = "6"
    & skf21("4","7","3","3","2","6","4","1") = "6"
    & skf21("4","7","3","3","2","6","5","1") = "6"
    & skf21("4","7","3","3","2","6","6","1") = "6"
    & skf21("4","7","3","3","2","6","7","1") = "6"
    & skf21("4","7","3","3","2","7","1","1") = "6"
    & skf21("4","7","3","3","2","7","2","1") = "6"
    & skf21("4","7","3","3","2","7","3","1") = "6"
    & skf21("4","7","3","3","2","7","4","1") = "6"
    & skf21("4","7","3","3","2","7","5","1") = "6"
    & skf21("4","7","3","3","2","7","6","1") = "6"
    & skf21("4","7","3","3","2","7","7","1") = "6"
    & skf21("4","7","3","3","3","1","1","1") = "6"
    & skf21("4","7","3","3","3","1","2","1") = "6"
    & skf21("4","7","3","3","3","1","3","1") = "6"
    & skf21("4","7","3","3","3","1","4","1") = "6"
    & skf21("4","7","3","3","3","1","5","1") = "6"
    & skf21("4","7","3","3","3","1","6","1") = "6"
    & skf21("4","7","3","3","3","1","7","1") = "6"
    & skf21("4","7","3","3","3","2","1","1") = "6"
    & skf21("4","7","3","3","3","2","2","1") = "6"
    & skf21("4","7","3","3","3","2","3","1") = "6"
    & skf21("4","7","3","3","3","2","4","1") = "6"
    & skf21("4","7","3","3","3","2","5","1") = "6"
    & skf21("4","7","3","3","3","2","6","1") = "6"
    & skf21("4","7","3","3","3","2","7","1") = "6"
    & skf21("4","7","3","3","3","3","1","1") = "6"
    & skf21("4","7","3","3","3","3","2","1") = "6"
    & skf21("4","7","3","3","3","3","3","1") = "6"
    & skf21("4","7","3","3","3","3","4","1") = "6"
    & skf21("4","7","3","3","3","3","5","1") = "6"
    & skf21("4","7","3","3","3","3","6","1") = "6"
    & skf21("4","7","3","3","3","3","7","1") = "6"
    & skf21("4","7","3","3","3","4","1","1") = "6"
    & skf21("4","7","3","3","3","4","2","1") = "6"
    & skf21("4","7","3","3","3","4","3","1") = "6"
    & skf21("4","7","3","3","3","4","4","1") = "6"
    & skf21("4","7","3","3","3","4","5","1") = "6"
    & skf21("4","7","3","3","3","4","6","1") = "6"
    & skf21("4","7","3","3","3","4","7","1") = "6"
    & skf21("4","7","3","3","3","5","1","1") = "6"
    & skf21("4","7","3","3","3","5","2","1") = "6"
    & skf21("4","7","3","3","3","5","3","1") = "6"
    & skf21("4","7","3","3","3","5","4","1") = "6"
    & skf21("4","7","3","3","3","5","5","1") = "6"
    & skf21("4","7","3","3","3","5","6","1") = "6"
    & skf21("4","7","3","3","3","5","7","1") = "6"
    & skf21("4","7","3","3","3","6","1","1") = "6"
    & skf21("4","7","3","3","3","6","2","1") = "6"
    & skf21("4","7","3","3","3","6","3","1") = "6"
    & skf21("4","7","3","3","3","6","4","1") = "6"
    & skf21("4","7","3","3","3","6","5","1") = "6"
    & skf21("4","7","3","3","3","6","6","1") = "6"
    & skf21("4","7","3","3","3","6","7","1") = "6"
    & skf21("4","7","3","3","3","7","1","1") = "6"
    & skf21("4","7","3","3","3","7","2","1") = "6"
    & skf21("4","7","3","3","3","7","3","1") = "6"
    & skf21("4","7","3","3","3","7","4","1") = "6"
    & skf21("4","7","3","3","3","7","5","1") = "6"
    & skf21("4","7","3","3","3","7","6","1") = "6"
    & skf21("4","7","3","3","3","7","7","1") = "6"
    & skf21("4","7","3","3","4","1","1","1") = "6"
    & skf21("4","7","3","3","4","1","2","1") = "6"
    & skf21("4","7","3","3","4","1","3","1") = "6"
    & skf21("4","7","3","3","4","1","4","1") = "6"
    & skf21("4","7","3","3","4","1","5","1") = "6"
    & skf21("4","7","3","3","4","1","6","1") = "6"
    & skf21("4","7","3","3","4","1","7","1") = "6"
    & skf21("4","7","3","3","4","2","1","1") = "6"
    & skf21("4","7","3","3","4","2","2","1") = "6"
    & skf21("4","7","3","3","4","2","3","1") = "6"
    & skf21("4","7","3","3","4","2","4","1") = "6"
    & skf21("4","7","3","3","4","2","5","1") = "6"
    & skf21("4","7","3","3","4","2","6","1") = "6"
    & skf21("4","7","3","3","4","2","7","1") = "6"
    & skf21("4","7","3","3","4","3","1","1") = "6"
    & skf21("4","7","3","3","4","3","2","1") = "6"
    & skf21("4","7","3","3","4","3","3","1") = "6"
    & skf21("4","7","3","3","4","3","4","1") = "6"
    & skf21("4","7","3","3","4","3","5","1") = "6"
    & skf21("4","7","3","3","4","3","6","1") = "6"
    & skf21("4","7","3","3","4","3","7","1") = "6"
    & skf21("4","7","3","3","4","4","1","1") = "6"
    & skf21("4","7","3","3","4","4","2","1") = "6"
    & skf21("4","7","3","3","4","4","3","1") = "6"
    & skf21("4","7","3","3","4","4","4","1") = "6"
    & skf21("4","7","3","3","4","4","5","1") = "6"
    & skf21("4","7","3","3","4","4","6","1") = "6"
    & skf21("4","7","3","3","4","4","7","1") = "6"
    & skf21("4","7","3","3","4","5","1","1") = "6"
    & skf21("4","7","3","3","4","5","2","1") = "6"
    & skf21("4","7","3","3","4","5","3","1") = "6"
    & skf21("4","7","3","3","4","5","4","1") = "6"
    & skf21("4","7","3","3","4","5","5","1") = "6"
    & skf21("4","7","3","3","4","5","6","1") = "6"
    & skf21("4","7","3","3","4","5","7","1") = "6"
    & skf21("4","7","3","3","4","6","1","1") = "6"
    & skf21("4","7","3","3","4","6","2","1") = "6"
    & skf21("4","7","3","3","4","6","3","1") = "6"
    & skf21("4","7","3","3","4","6","4","1") = "6"
    & skf21("4","7","3","3","4","6","5","1") = "6"
    & skf21("4","7","3","3","4","6","6","1") = "6"
    & skf21("4","7","3","3","4","6","7","1") = "6"
    & skf21("4","7","3","3","4","7","1","1") = "6"
    & skf21("4","7","3","3","4","7","2","1") = "6"
    & skf21("4","7","3","3","4","7","3","1") = "6"
    & skf21("4","7","3","3","4","7","4","1") = "6"
    & skf21("4","7","3","3","4","7","5","1") = "6"
    & skf21("4","7","3","3","4","7","6","1") = "6"
    & skf21("4","7","3","3","4","7","7","1") = "6"
    & skf21("4","7","3","3","5","1","1","1") = "6"
    & skf21("4","7","3","3","5","1","2","1") = "6"
    & skf21("4","7","3","3","5","1","3","1") = "6"
    & skf21("4","7","3","3","5","1","4","1") = "6"
    & skf21("4","7","3","3","5","1","5","1") = "6"
    & skf21("4","7","3","3","5","1","6","1") = "6"
    & skf21("4","7","3","3","5","1","7","1") = "6"
    & skf21("4","7","3","3","5","2","1","1") = "6"
    & skf21("4","7","3","3","5","2","2","1") = "6"
    & skf21("4","7","3","3","5","2","3","1") = "6"
    & skf21("4","7","3","3","5","2","4","1") = "6"
    & skf21("4","7","3","3","5","2","5","1") = "6"
    & skf21("4","7","3","3","5","2","6","1") = "6"
    & skf21("4","7","3","3","5","2","7","1") = "6"
    & skf21("4","7","3","3","5","3","1","1") = "6"
    & skf21("4","7","3","3","5","3","2","1") = "6"
    & skf21("4","7","3","3","5","3","3","1") = "6"
    & skf21("4","7","3","3","5","3","4","1") = "6"
    & skf21("4","7","3","3","5","3","5","1") = "6"
    & skf21("4","7","3","3","5","3","6","1") = "6"
    & skf21("4","7","3","3","5","3","7","1") = "6"
    & skf21("4","7","3","3","5","4","1","1") = "6"
    & skf21("4","7","3","3","5","4","2","1") = "6"
    & skf21("4","7","3","3","5","4","3","1") = "6"
    & skf21("4","7","3","3","5","4","4","1") = "6"
    & skf21("4","7","3","3","5","4","5","1") = "6"
    & skf21("4","7","3","3","5","4","6","1") = "6"
    & skf21("4","7","3","3","5","4","7","1") = "6"
    & skf21("4","7","3","3","5","5","1","1") = "6"
    & skf21("4","7","3","3","5","5","2","1") = "6"
    & skf21("4","7","3","3","5","5","3","1") = "6"
    & skf21("4","7","3","3","5","5","4","1") = "6"
    & skf21("4","7","3","3","5","5","5","1") = "6"
    & skf21("4","7","3","3","5","5","6","1") = "6"
    & skf21("4","7","3","3","5","5","7","1") = "6"
    & skf21("4","7","3","3","5","6","1","1") = "6"
    & skf21("4","7","3","3","5","6","2","1") = "6"
    & skf21("4","7","3","3","5","6","3","1") = "6"
    & skf21("4","7","3","3","5","6","4","1") = "6"
    & skf21("4","7","3","3","5","6","5","1") = "6"
    & skf21("4","7","3","3","5","6","6","1") = "6"
    & skf21("4","7","3","3","5","6","7","1") = "6"
    & skf21("4","7","3","3","5","7","1","1") = "6"
    & skf21("4","7","3","3","5","7","2","1") = "6"
    & skf21("4","7","3","3","5","7","3","1") = "6"
    & skf21("4","7","3","3","5","7","4","1") = "6"
    & skf21("4","7","3","3","5","7","5","1") = "6"
    & skf21("4","7","3","3","5","7","6","1") = "6"
    & skf21("4","7","3","3","5","7","7","1") = "6"
    & skf21("4","7","3","3","6","1","1","1") = "6"
    & skf21("4","7","3","3","6","1","2","1") = "6"
    & skf21("4","7","3","3","6","1","3","1") = "6"
    & skf21("4","7","3","3","6","1","4","1") = "6"
    & skf21("4","7","3","3","6","1","5","1") = "6"
    & skf21("4","7","3","3","6","1","6","1") = "6"
    & skf21("4","7","3","3","6","1","7","1") = "6"
    & skf21("4","7","3","3","6","2","1","1") = "6"
    & skf21("4","7","3","3","6","2","2","1") = "6"
    & skf21("4","7","3","3","6","2","3","1") = "6"
    & skf21("4","7","3","3","6","2","4","1") = "6"
    & skf21("4","7","3","3","6","2","5","1") = "6"
    & skf21("4","7","3","3","6","2","6","1") = "6"
    & skf21("4","7","3","3","6","2","7","1") = "6"
    & skf21("4","7","3","3","6","3","1","1") = "6"
    & skf21("4","7","3","3","6","3","2","1") = "6"
    & skf21("4","7","3","3","6","3","3","1") = "6"
    & skf21("4","7","3","3","6","3","4","1") = "6"
    & skf21("4","7","3","3","6","3","5","1") = "6"
    & skf21("4","7","3","3","6","3","6","1") = "6"
    & skf21("4","7","3","3","6","3","7","1") = "6"
    & skf21("4","7","3","3","6","4","1","1") = "6"
    & skf21("4","7","3","3","6","4","2","1") = "6"
    & skf21("4","7","3","3","6","4","3","1") = "6"
    & skf21("4","7","3","3","6","4","4","1") = "6"
    & skf21("4","7","3","3","6","4","5","1") = "6"
    & skf21("4","7","3","3","6","4","6","1") = "6"
    & skf21("4","7","3","3","6","4","7","1") = "6"
    & skf21("4","7","3","3","6","5","1","1") = "6"
    & skf21("4","7","3","3","6","5","2","1") = "6"
    & skf21("4","7","3","3","6","5","3","1") = "6"
    & skf21("4","7","3","3","6","5","4","1") = "6"
    & skf21("4","7","3","3","6","5","5","1") = "6"
    & skf21("4","7","3","3","6","5","6","1") = "6"
    & skf21("4","7","3","3","6","5","7","1") = "6"
    & skf21("4","7","3","3","6","6","1","1") = "6"
    & skf21("4","7","3","3","6","6","2","1") = "6"
    & skf21("4","7","3","3","6","6","3","1") = "6"
    & skf21("4","7","3","3","6","6","4","1") = "6"
    & skf21("4","7","3","3","6","6","5","1") = "6"
    & skf21("4","7","3","3","6","6","6","1") = "6"
    & skf21("4","7","3","3","6","6","7","1") = "6"
    & skf21("4","7","3","3","6","7","1","1") = "6"
    & skf21("4","7","3","3","6","7","2","1") = "6"
    & skf21("4","7","3","3","6","7","3","1") = "6"
    & skf21("4","7","3","3","6","7","4","1") = "6"
    & skf21("4","7","3","3","6","7","5","1") = "6"
    & skf21("4","7","3","3","6","7","6","1") = "6"
    & skf21("4","7","3","3","6","7","7","1") = "6"
    & skf21("4","7","3","3","7","1","1","1") = "6"
    & skf21("4","7","3","3","7","1","2","1") = "6"
    & skf21("4","7","3","3","7","1","3","1") = "6"
    & skf21("4","7","3","3","7","1","4","1") = "6"
    & skf21("4","7","3","3","7","1","5","1") = "6"
    & skf21("4","7","3","3","7","1","6","1") = "6"
    & skf21("4","7","3","3","7","1","7","1") = "6"
    & skf21("4","7","3","3","7","2","1","1") = "6"
    & skf21("4","7","3","3","7","2","2","1") = "6"
    & skf21("4","7","3","3","7","2","3","1") = "6"
    & skf21("4","7","3","3","7","2","4","1") = "6"
    & skf21("4","7","3","3","7","2","5","1") = "6"
    & skf21("4","7","3","3","7","2","6","1") = "6"
    & skf21("4","7","3","3","7","2","7","1") = "6"
    & skf21("4","7","3","3","7","3","1","1") = "6"
    & skf21("4","7","3","3","7","3","2","1") = "6"
    & skf21("4","7","3","3","7","3","3","1") = "6"
    & skf21("4","7","3","3","7","3","4","1") = "6"
    & skf21("4","7","3","3","7","3","5","1") = "6"
    & skf21("4","7","3","3","7","3","6","1") = "6"
    & skf21("4","7","3","3","7","3","7","1") = "6"
    & skf21("4","7","3","3","7","4","1","1") = "6"
    & skf21("4","7","3","3","7","4","2","1") = "6"
    & skf21("4","7","3","3","7","4","3","1") = "6"
    & skf21("4","7","3","3","7","4","4","1") = "6"
    & skf21("4","7","3","3","7","4","5","1") = "6"
    & skf21("4","7","3","3","7","4","6","1") = "6"
    & skf21("4","7","3","3","7","4","7","1") = "6"
    & skf21("4","7","3","3","7","5","1","1") = "6"
    & skf21("4","7","3","3","7","5","2","1") = "6"
    & skf21("4","7","3","3","7","5","3","1") = "6"
    & skf21("4","7","3","3","7","5","4","1") = "6"
    & skf21("4","7","3","3","7","5","5","1") = "6"
    & skf21("4","7","3","3","7","5","6","1") = "6"
    & skf21("4","7","3","3","7","5","7","1") = "6"
    & skf21("4","7","3","3","7","6","1","1") = "6"
    & skf21("4","7","3","3","7","6","2","1") = "6"
    & skf21("4","7","3","3","7","6","3","1") = "6"
    & skf21("4","7","3","3","7","6","4","1") = "6"
    & skf21("4","7","3","3","7","6","5","1") = "6"
    & skf21("4","7","3","3","7","6","6","1") = "6"
    & skf21("4","7","3","3","7","6","7","1") = "6"
    & skf21("4","7","3","3","7","7","1","1") = "6"
    & skf21("4","7","3","3","7","7","2","1") = "6"
    & skf21("4","7","3","3","7","7","3","1") = "6"
    & skf21("4","7","3","3","7","7","4","1") = "6"
    & skf21("4","7","3","3","7","7","5","1") = "6"
    & skf21("4","7","3","3","7","7","6","1") = "6"
    & skf21("4","7","3","3","7","7","7","1") = "6"
    & skf21("4","7","3","4","1","1","1","1") = "6"
    & skf21("4","7","3","4","1","1","2","1") = "6"
    & skf21("4","7","3","4","1","1","3","1") = "6"
    & skf21("4","7","3","4","1","1","4","1") = "6"
    & skf21("4","7","3","4","1","1","5","1") = "6"
    & skf21("4","7","3","4","1","1","6","1") = "6"
    & skf21("4","7","3","4","1","1","7","1") = "6"
    & skf21("4","7","3","4","1","2","1","1") = "6"
    & skf21("4","7","3","4","1","2","2","1") = "6"
    & skf21("4","7","3","4","1","2","3","1") = "6"
    & skf21("4","7","3","4","1","2","4","1") = "6"
    & skf21("4","7","3","4","1","2","5","1") = "6"
    & skf21("4","7","3","4","1","2","6","1") = "6"
    & skf21("4","7","3","4","1","2","7","1") = "6"
    & skf21("4","7","3","4","1","3","1","1") = "6"
    & skf21("4","7","3","4","1","3","2","1") = "6"
    & skf21("4","7","3","4","1","3","3","1") = "6"
    & skf21("4","7","3","4","1","3","4","1") = "6"
    & skf21("4","7","3","4","1","3","5","1") = "6"
    & skf21("4","7","3","4","1","3","6","1") = "6"
    & skf21("4","7","3","4","1","3","7","1") = "6"
    & skf21("4","7","3","4","1","4","1","1") = "6"
    & skf21("4","7","3","4","1","4","2","1") = "6"
    & skf21("4","7","3","4","1","4","3","1") = "6"
    & skf21("4","7","3","4","1","4","4","1") = "6"
    & skf21("4","7","3","4","1","4","5","1") = "6"
    & skf21("4","7","3","4","1","4","6","1") = "6"
    & skf21("4","7","3","4","1","4","7","1") = "6"
    & skf21("4","7","3","4","1","5","1","1") = "6"
    & skf21("4","7","3","4","1","5","2","1") = "6"
    & skf21("4","7","3","4","1","5","3","1") = "6"
    & skf21("4","7","3","4","1","5","4","1") = "6"
    & skf21("4","7","3","4","1","5","5","1") = "6"
    & skf21("4","7","3","4","1","5","6","1") = "6"
    & skf21("4","7","3","4","1","5","7","1") = "6"
    & skf21("4","7","3","4","1","6","1","1") = "6"
    & skf21("4","7","3","4","1","6","2","1") = "6"
    & skf21("4","7","3","4","1","6","3","1") = "6"
    & skf21("4","7","3","4","1","6","4","1") = "6"
    & skf21("4","7","3","4","1","6","5","1") = "6"
    & skf21("4","7","3","4","1","6","6","1") = "6"
    & skf21("4","7","3","4","1","6","7","1") = "6"
    & skf21("4","7","3","4","1","7","1","1") = "6"
    & skf21("4","7","3","4","1","7","2","1") = "6"
    & skf21("4","7","3","4","1","7","3","1") = "6"
    & skf21("4","7","3","4","1","7","4","1") = "6"
    & skf21("4","7","3","4","1","7","5","1") = "6"
    & skf21("4","7","3","4","1","7","6","1") = "6"
    & skf21("4","7","3","4","1","7","7","1") = "6"
    & skf21("4","7","3","4","2","1","1","1") = "6"
    & skf21("4","7","3","4","2","1","2","1") = "6"
    & skf21("4","7","3","4","2","1","3","1") = "6"
    & skf21("4","7","3","4","2","1","4","1") = "6"
    & skf21("4","7","3","4","2","1","5","1") = "6"
    & skf21("4","7","3","4","2","1","6","1") = "6"
    & skf21("4","7","3","4","2","1","7","1") = "6"
    & skf21("4","7","3","4","2","2","1","1") = "6"
    & skf21("4","7","3","4","2","2","2","1") = "6"
    & skf21("4","7","3","4","2","2","3","1") = "6"
    & skf21("4","7","3","4","2","2","4","1") = "6"
    & skf21("4","7","3","4","2","2","5","1") = "6"
    & skf21("4","7","3","4","2","2","6","1") = "6"
    & skf21("4","7","3","4","2","2","7","1") = "6"
    & skf21("4","7","3","4","2","3","1","1") = "6"
    & skf21("4","7","3","4","2","3","2","1") = "6"
    & skf21("4","7","3","4","2","3","3","1") = "6"
    & skf21("4","7","3","4","2","3","4","1") = "6"
    & skf21("4","7","3","4","2","3","5","1") = "6"
    & skf21("4","7","3","4","2","3","6","1") = "6"
    & skf21("4","7","3","4","2","3","7","1") = "6"
    & skf21("4","7","3","4","2","4","1","1") = "6"
    & skf21("4","7","3","4","2","4","2","1") = "6"
    & skf21("4","7","3","4","2","4","3","1") = "6"
    & skf21("4","7","3","4","2","4","4","1") = "6"
    & skf21("4","7","3","4","2","4","5","1") = "6"
    & skf21("4","7","3","4","2","4","6","1") = "6"
    & skf21("4","7","3","4","2","4","7","1") = "6"
    & skf21("4","7","3","4","2","5","1","1") = "6"
    & skf21("4","7","3","4","2","5","2","1") = "6"
    & skf21("4","7","3","4","2","5","3","1") = "6"
    & skf21("4","7","3","4","2","5","4","1") = "6"
    & skf21("4","7","3","4","2","5","5","1") = "6"
    & skf21("4","7","3","4","2","5","6","1") = "6"
    & skf21("4","7","3","4","2","5","7","1") = "6"
    & skf21("4","7","3","4","2","6","1","1") = "6"
    & skf21("4","7","3","4","2","6","2","1") = "6"
    & skf21("4","7","3","4","2","6","3","1") = "6"
    & skf21("4","7","3","4","2","6","4","1") = "6"
    & skf21("4","7","3","4","2","6","5","1") = "6"
    & skf21("4","7","3","4","2","6","6","1") = "6"
    & skf21("4","7","3","4","2","6","7","1") = "6"
    & skf21("4","7","3","4","2","7","1","1") = "6"
    & skf21("4","7","3","4","2","7","2","1") = "6"
    & skf21("4","7","3","4","2","7","3","1") = "6"
    & skf21("4","7","3","4","2","7","4","1") = "6"
    & skf21("4","7","3","4","2","7","5","1") = "6"
    & skf21("4","7","3","4","2","7","6","1") = "6"
    & skf21("4","7","3","4","2","7","7","1") = "6"
    & skf21("4","7","3","4","3","1","1","1") = "6"
    & skf21("4","7","3","4","3","1","2","1") = "6"
    & skf21("4","7","3","4","3","1","3","1") = "6"
    & skf21("4","7","3","4","3","1","4","1") = "6"
    & skf21("4","7","3","4","3","1","5","1") = "6"
    & skf21("4","7","3","4","3","1","6","1") = "6"
    & skf21("4","7","3","4","3","1","7","1") = "6"
    & skf21("4","7","3","4","3","2","1","1") = "6"
    & skf21("4","7","3","4","3","2","2","1") = "6"
    & skf21("4","7","3","4","3","2","3","1") = "6"
    & skf21("4","7","3","4","3","2","4","1") = "6"
    & skf21("4","7","3","4","3","2","5","1") = "6"
    & skf21("4","7","3","4","3","2","6","1") = "6"
    & skf21("4","7","3","4","3","2","7","1") = "6"
    & skf21("4","7","3","4","3","3","1","1") = "6"
    & skf21("4","7","3","4","3","3","2","1") = "6"
    & skf21("4","7","3","4","3","3","3","1") = "6"
    & skf21("4","7","3","4","3","3","4","1") = "6"
    & skf21("4","7","3","4","3","3","5","1") = "6"
    & skf21("4","7","3","4","3","3","6","1") = "6"
    & skf21("4","7","3","4","3","3","7","1") = "6"
    & skf21("4","7","3","4","3","4","1","1") = "6"
    & skf21("4","7","3","4","3","4","2","1") = "6"
    & skf21("4","7","3","4","3","4","3","1") = "6"
    & skf21("4","7","3","4","3","4","4","1") = "6"
    & skf21("4","7","3","4","3","4","5","1") = "6"
    & skf21("4","7","3","4","3","4","6","1") = "6"
    & skf21("4","7","3","4","3","4","7","1") = "6"
    & skf21("4","7","3","4","3","5","1","1") = "6"
    & skf21("4","7","3","4","3","5","2","1") = "6"
    & skf21("4","7","3","4","3","5","3","1") = "6"
    & skf21("4","7","3","4","3","5","4","1") = "6"
    & skf21("4","7","3","4","3","5","5","1") = "6"
    & skf21("4","7","3","4","3","5","6","1") = "6"
    & skf21("4","7","3","4","3","5","7","1") = "6"
    & skf21("4","7","3","4","3","6","1","1") = "6"
    & skf21("4","7","3","4","3","6","2","1") = "6"
    & skf21("4","7","3","4","3","6","3","1") = "6"
    & skf21("4","7","3","4","3","6","4","1") = "6"
    & skf21("4","7","3","4","3","6","5","1") = "6"
    & skf21("4","7","3","4","3","6","6","1") = "6"
    & skf21("4","7","3","4","3","6","7","1") = "6"
    & skf21("4","7","3","4","3","7","1","1") = "6"
    & skf21("4","7","3","4","3","7","2","1") = "6"
    & skf21("4","7","3","4","3","7","3","1") = "6"
    & skf21("4","7","3","4","3","7","4","1") = "6"
    & skf21("4","7","3","4","3","7","5","1") = "6"
    & skf21("4","7","3","4","3","7","6","1") = "6"
    & skf21("4","7","3","4","3","7","7","1") = "6"
    & skf21("4","7","3","4","4","1","1","1") = "6"
    & skf21("4","7","3","4","4","1","2","1") = "6"
    & skf21("4","7","3","4","4","1","3","1") = "6"
    & skf21("4","7","3","4","4","1","4","1") = "6"
    & skf21("4","7","3","4","4","1","5","1") = "6"
    & skf21("4","7","3","4","4","1","6","1") = "6"
    & skf21("4","7","3","4","4","1","7","1") = "6"
    & skf21("4","7","3","4","4","2","1","1") = "6"
    & skf21("4","7","3","4","4","2","2","1") = "6"
    & skf21("4","7","3","4","4","2","3","1") = "6"
    & skf21("4","7","3","4","4","2","4","1") = "6"
    & skf21("4","7","3","4","4","2","5","1") = "6"
    & skf21("4","7","3","4","4","2","6","1") = "6"
    & skf21("4","7","3","4","4","2","7","1") = "6"
    & skf21("4","7","3","4","4","3","1","1") = "6"
    & skf21("4","7","3","4","4","3","2","1") = "6"
    & skf21("4","7","3","4","4","3","3","1") = "6"
    & skf21("4","7","3","4","4","3","4","1") = "6"
    & skf21("4","7","3","4","4","3","5","1") = "6"
    & skf21("4","7","3","4","4","3","6","1") = "6"
    & skf21("4","7","3","4","4","3","7","1") = "6"
    & skf21("4","7","3","4","4","4","1","1") = "6"
    & skf21("4","7","3","4","4","4","2","1") = "6"
    & skf21("4","7","3","4","4","4","3","1") = "6"
    & skf21("4","7","3","4","4","4","4","1") = "6"
    & skf21("4","7","3","4","4","4","5","1") = "6"
    & skf21("4","7","3","4","4","4","6","1") = "6"
    & skf21("4","7","3","4","4","4","7","1") = "6"
    & skf21("4","7","3","4","4","5","1","1") = "6"
    & skf21("4","7","3","4","4","5","2","1") = "6"
    & skf21("4","7","3","4","4","5","3","1") = "6"
    & skf21("4","7","3","4","4","5","4","1") = "6"
    & skf21("4","7","3","4","4","5","5","1") = "6"
    & skf21("4","7","3","4","4","5","6","1") = "6"
    & skf21("4","7","3","4","4","5","7","1") = "6"
    & skf21("4","7","3","4","4","6","1","1") = "6"
    & skf21("4","7","3","4","4","6","2","1") = "6"
    & skf21("4","7","3","4","4","6","3","1") = "6"
    & skf21("4","7","3","4","4","6","4","1") = "6"
    & skf21("4","7","3","4","4","6","5","1") = "6"
    & skf21("4","7","3","4","4","6","6","1") = "6"
    & skf21("4","7","3","4","4","6","7","1") = "6"
    & skf21("4","7","3","4","4","7","1","1") = "6"
    & skf21("4","7","3","4","4","7","2","1") = "6"
    & skf21("4","7","3","4","4","7","3","1") = "6"
    & skf21("4","7","3","4","4","7","4","1") = "6"
    & skf21("4","7","3","4","4","7","5","1") = "6"
    & skf21("4","7","3","4","4","7","6","1") = "6"
    & skf21("4","7","3","4","4","7","7","1") = "6"
    & skf21("4","7","3","4","5","1","1","1") = "6"
    & skf21("4","7","3","4","5","1","2","1") = "6"
    & skf21("4","7","3","4","5","1","3","1") = "6"
    & skf21("4","7","3","4","5","1","4","1") = "6"
    & skf21("4","7","3","4","5","1","5","1") = "6"
    & skf21("4","7","3","4","5","1","6","1") = "6"
    & skf21("4","7","3","4","5","1","7","1") = "6"
    & skf21("4","7","3","4","5","2","1","1") = "6"
    & skf21("4","7","3","4","5","2","2","1") = "6"
    & skf21("4","7","3","4","5","2","3","1") = "6"
    & skf21("4","7","3","4","5","2","4","1") = "6"
    & skf21("4","7","3","4","5","2","5","1") = "6"
    & skf21("4","7","3","4","5","2","6","1") = "6"
    & skf21("4","7","3","4","5","2","7","1") = "6"
    & skf21("4","7","3","4","5","3","1","1") = "6"
    & skf21("4","7","3","4","5","3","2","1") = "6"
    & skf21("4","7","3","4","5","3","3","1") = "6"
    & skf21("4","7","3","4","5","3","4","1") = "6"
    & skf21("4","7","3","4","5","3","5","1") = "6"
    & skf21("4","7","3","4","5","3","6","1") = "6"
    & skf21("4","7","3","4","5","3","7","1") = "6"
    & skf21("4","7","3","4","5","4","1","1") = "6"
    & skf21("4","7","3","4","5","4","2","1") = "6"
    & skf21("4","7","3","4","5","4","3","1") = "6"
    & skf21("4","7","3","4","5","4","4","1") = "6"
    & skf21("4","7","3","4","5","4","5","1") = "6"
    & skf21("4","7","3","4","5","4","6","1") = "6"
    & skf21("4","7","3","4","5","4","7","1") = "6"
    & skf21("4","7","3","4","5","5","1","1") = "6"
    & skf21("4","7","3","4","5","5","2","1") = "6"
    & skf21("4","7","3","4","5","5","3","1") = "6"
    & skf21("4","7","3","4","5","5","4","1") = "6"
    & skf21("4","7","3","4","5","5","5","1") = "6"
    & skf21("4","7","3","4","5","5","6","1") = "6"
    & skf21("4","7","3","4","5","5","7","1") = "6"
    & skf21("4","7","3","4","5","6","1","1") = "6"
    & skf21("4","7","3","4","5","6","2","1") = "6"
    & skf21("4","7","3","4","5","6","3","1") = "6"
    & skf21("4","7","3","4","5","6","4","1") = "6"
    & skf21("4","7","3","4","5","6","5","1") = "6"
    & skf21("4","7","3","4","5","6","6","1") = "6"
    & skf21("4","7","3","4","5","6","7","1") = "6"
    & skf21("4","7","3","4","5","7","1","1") = "6"
    & skf21("4","7","3","4","5","7","2","1") = "6"
    & skf21("4","7","3","4","5","7","3","1") = "6"
    & skf21("4","7","3","4","5","7","4","1") = "6"
    & skf21("4","7","3","4","5","7","5","1") = "6"
    & skf21("4","7","3","4","5","7","6","1") = "6"
    & skf21("4","7","3","4","5","7","7","1") = "6"
    & skf21("4","7","3","4","6","1","1","1") = "6"
    & skf21("4","7","3","4","6","1","2","1") = "6"
    & skf21("4","7","3","4","6","1","3","1") = "6"
    & skf21("4","7","3","4","6","1","4","1") = "6"
    & skf21("4","7","3","4","6","1","5","1") = "6"
    & skf21("4","7","3","4","6","1","6","1") = "6"
    & skf21("4","7","3","4","6","1","7","1") = "6"
    & skf21("4","7","3","4","6","2","1","1") = "6"
    & skf21("4","7","3","4","6","2","2","1") = "6"
    & skf21("4","7","3","4","6","2","3","1") = "6"
    & skf21("4","7","3","4","6","2","4","1") = "6"
    & skf21("4","7","3","4","6","2","5","1") = "6"
    & skf21("4","7","3","4","6","2","6","1") = "6"
    & skf21("4","7","3","4","6","2","7","1") = "6"
    & skf21("4","7","3","4","6","3","1","1") = "6"
    & skf21("4","7","3","4","6","3","2","1") = "6"
    & skf21("4","7","3","4","6","3","3","1") = "6"
    & skf21("4","7","3","4","6","3","4","1") = "6"
    & skf21("4","7","3","4","6","3","5","1") = "6"
    & skf21("4","7","3","4","6","3","6","1") = "6"
    & skf21("4","7","3","4","6","3","7","1") = "6"
    & skf21("4","7","3","4","6","4","1","1") = "6"
    & skf21("4","7","3","4","6","4","2","1") = "6"
    & skf21("4","7","3","4","6","4","3","1") = "6"
    & skf21("4","7","3","4","6","4","4","1") = "6"
    & skf21("4","7","3","4","6","4","5","1") = "6"
    & skf21("4","7","3","4","6","4","6","1") = "6"
    & skf21("4","7","3","4","6","4","7","1") = "6"
    & skf21("4","7","3","4","6","5","1","1") = "6"
    & skf21("4","7","3","4","6","5","2","1") = "6"
    & skf21("4","7","3","4","6","5","3","1") = "6"
    & skf21("4","7","3","4","6","5","4","1") = "6"
    & skf21("4","7","3","4","6","5","5","1") = "6"
    & skf21("4","7","3","4","6","5","6","1") = "6"
    & skf21("4","7","3","4","6","5","7","1") = "6"
    & skf21("4","7","3","4","6","6","1","1") = "6"
    & skf21("4","7","3","4","6","6","2","1") = "6"
    & skf21("4","7","3","4","6","6","3","1") = "6"
    & skf21("4","7","3","4","6","6","4","1") = "6"
    & skf21("4","7","3","4","6","6","5","1") = "6"
    & skf21("4","7","3","4","6","6","6","1") = "6"
    & skf21("4","7","3","4","6","6","7","1") = "6"
    & skf21("4","7","3","4","6","7","1","1") = "6"
    & skf21("4","7","3","4","6","7","2","1") = "6"
    & skf21("4","7","3","4","6","7","3","1") = "6"
    & skf21("4","7","3","4","6","7","4","1") = "6"
    & skf21("4","7","3","4","6","7","5","1") = "6"
    & skf21("4","7","3","4","6","7","6","1") = "6"
    & skf21("4","7","3","4","6","7","7","1") = "6"
    & skf21("4","7","3","4","7","1","1","1") = "6"
    & skf21("4","7","3","4","7","1","2","1") = "6"
    & skf21("4","7","3","4","7","1","3","1") = "6"
    & skf21("4","7","3","4","7","1","4","1") = "6"
    & skf21("4","7","3","4","7","1","5","1") = "6"
    & skf21("4","7","3","4","7","1","6","1") = "6"
    & skf21("4","7","3","4","7","1","7","1") = "6"
    & skf21("4","7","3","4","7","2","1","1") = "6"
    & skf21("4","7","3","4","7","2","2","1") = "6"
    & skf21("4","7","3","4","7","2","3","1") = "6"
    & skf21("4","7","3","4","7","2","4","1") = "6"
    & skf21("4","7","3","4","7","2","5","1") = "6"
    & skf21("4","7","3","4","7","2","6","1") = "6"
    & skf21("4","7","3","4","7","2","7","1") = "6"
    & skf21("4","7","3","4","7","3","1","1") = "6"
    & skf21("4","7","3","4","7","3","2","1") = "6"
    & skf21("4","7","3","4","7","3","3","1") = "6"
    & skf21("4","7","3","4","7","3","4","1") = "6"
    & skf21("4","7","3","4","7","3","5","1") = "6"
    & skf21("4","7","3","4","7","3","6","1") = "6"
    & skf21("4","7","3","4","7","3","7","1") = "6"
    & skf21("4","7","3","4","7","4","1","1") = "6"
    & skf21("4","7","3","4","7","4","2","1") = "6"
    & skf21("4","7","3","4","7","4","3","1") = "6"
    & skf21("4","7","3","4","7","4","4","1") = "6"
    & skf21("4","7","3","4","7","4","5","1") = "6"
    & skf21("4","7","3","4","7","4","6","1") = "6"
    & skf21("4","7","3","4","7","4","7","1") = "6"
    & skf21("4","7","3","4","7","5","1","1") = "6"
    & skf21("4","7","3","4","7","5","2","1") = "6"
    & skf21("4","7","3","4","7","5","3","1") = "6"
    & skf21("4","7","3","4","7","5","4","1") = "6"
    & skf21("4","7","3","4","7","5","5","1") = "6"
    & skf21("4","7","3","4","7","5","6","1") = "6"
    & skf21("4","7","3","4","7","5","7","1") = "6"
    & skf21("4","7","3","4","7","6","1","1") = "6"
    & skf21("4","7","3","4","7","6","2","1") = "6"
    & skf21("4","7","3","4","7","6","3","1") = "6"
    & skf21("4","7","3","4","7","6","4","1") = "6"
    & skf21("4","7","3","4","7","6","5","1") = "6"
    & skf21("4","7","3","4","7","6","6","1") = "6"
    & skf21("4","7","3","4","7","6","7","1") = "6"
    & skf21("4","7","3","4","7","7","1","1") = "6"
    & skf21("4","7","3","4","7","7","2","1") = "6"
    & skf21("4","7","3","4","7","7","3","1") = "6"
    & skf21("4","7","3","4","7","7","4","1") = "6"
    & skf21("4","7","3","4","7","7","5","1") = "6"
    & skf21("4","7","3","4","7","7","6","1") = "6"
    & skf21("4","7","3","4","7","7","7","1") = "6"
    & skf21("4","7","3","5","1","1","1","1") = "6"
    & skf21("4","7","3","5","1","1","2","1") = "6"
    & skf21("4","7","3","5","1","1","3","1") = "6"
    & skf21("4","7","3","5","1","1","4","1") = "6"
    & skf21("4","7","3","5","1","1","5","1") = "6"
    & skf21("4","7","3","5","1","1","6","1") = "6"
    & skf21("4","7","3","5","1","1","7","1") = "6"
    & skf21("4","7","3","5","1","2","1","1") = "6"
    & skf21("4","7","3","5","1","2","2","1") = "6"
    & skf21("4","7","3","5","1","2","3","1") = "6"
    & skf21("4","7","3","5","1","2","4","1") = "6"
    & skf21("4","7","3","5","1","2","5","1") = "6"
    & skf21("4","7","3","5","1","2","6","1") = "6"
    & skf21("4","7","3","5","1","2","7","1") = "6"
    & skf21("4","7","3","5","1","3","1","1") = "6"
    & skf21("4","7","3","5","1","3","2","1") = "6"
    & skf21("4","7","3","5","1","3","3","1") = "6"
    & skf21("4","7","3","5","1","3","4","1") = "6"
    & skf21("4","7","3","5","1","3","5","1") = "6"
    & skf21("4","7","3","5","1","3","6","1") = "6"
    & skf21("4","7","3","5","1","3","7","1") = "6"
    & skf21("4","7","3","5","1","4","1","1") = "6"
    & skf21("4","7","3","5","1","4","2","1") = "6"
    & skf21("4","7","3","5","1","4","3","1") = "6"
    & skf21("4","7","3","5","1","4","4","1") = "6"
    & skf21("4","7","3","5","1","4","5","1") = "6"
    & skf21("4","7","3","5","1","4","6","1") = "6"
    & skf21("4","7","3","5","1","4","7","1") = "6"
    & skf21("4","7","3","5","1","5","1","1") = "6"
    & skf21("4","7","3","5","1","5","2","1") = "6"
    & skf21("4","7","3","5","1","5","3","1") = "6"
    & skf21("4","7","3","5","1","5","4","1") = "6"
    & skf21("4","7","3","5","1","5","5","1") = "6"
    & skf21("4","7","3","5","1","5","6","1") = "6"
    & skf21("4","7","3","5","1","5","7","1") = "6"
    & skf21("4","7","3","5","1","6","1","1") = "6"
    & skf21("4","7","3","5","1","6","2","1") = "6"
    & skf21("4","7","3","5","1","6","3","1") = "6"
    & skf21("4","7","3","5","1","6","4","1") = "6"
    & skf21("4","7","3","5","1","6","5","1") = "6"
    & skf21("4","7","3","5","1","6","6","1") = "6"
    & skf21("4","7","3","5","1","6","7","1") = "6"
    & skf21("4","7","3","5","1","7","1","1") = "6"
    & skf21("4","7","3","5","1","7","2","1") = "6"
    & skf21("4","7","3","5","1","7","3","1") = "6"
    & skf21("4","7","3","5","1","7","4","1") = "6"
    & skf21("4","7","3","5","1","7","5","1") = "6"
    & skf21("4","7","3","5","1","7","6","1") = "6"
    & skf21("4","7","3","5","1","7","7","1") = "6"
    & skf21("4","7","3","5","2","1","1","1") = "6"
    & skf21("4","7","3","5","2","1","2","1") = "6"
    & skf21("4","7","3","5","2","1","3","1") = "6"
    & skf21("4","7","3","5","2","1","4","1") = "6"
    & skf21("4","7","3","5","2","1","5","1") = "6"
    & skf21("4","7","3","5","2","1","6","1") = "6"
    & skf21("4","7","3","5","2","1","7","1") = "6"
    & skf21("4","7","3","5","2","2","1","1") = "6"
    & skf21("4","7","3","5","2","2","2","1") = "6"
    & skf21("4","7","3","5","2","2","3","1") = "6"
    & skf21("4","7","3","5","2","2","4","1") = "6"
    & skf21("4","7","3","5","2","2","5","1") = "6"
    & skf21("4","7","3","5","2","2","6","1") = "6"
    & skf21("4","7","3","5","2","2","7","1") = "6"
    & skf21("4","7","3","5","2","3","1","1") = "6"
    & skf21("4","7","3","5","2","3","2","1") = "6"
    & skf21("4","7","3","5","2","3","3","1") = "6"
    & skf21("4","7","3","5","2","3","4","1") = "6"
    & skf21("4","7","3","5","2","3","5","1") = "6"
    & skf21("4","7","3","5","2","3","6","1") = "6"
    & skf21("4","7","3","5","2","3","7","1") = "6"
    & skf21("4","7","3","5","2","4","1","1") = "6"
    & skf21("4","7","3","5","2","4","2","1") = "6"
    & skf21("4","7","3","5","2","4","3","1") = "6"
    & skf21("4","7","3","5","2","4","4","1") = "6"
    & skf21("4","7","3","5","2","4","5","1") = "6"
    & skf21("4","7","3","5","2","4","6","1") = "6"
    & skf21("4","7","3","5","2","4","7","1") = "6"
    & skf21("4","7","3","5","2","5","1","1") = "6"
    & skf21("4","7","3","5","2","5","2","1") = "6"
    & skf21("4","7","3","5","2","5","3","1") = "6"
    & skf21("4","7","3","5","2","5","4","1") = "6"
    & skf21("4","7","3","5","2","5","5","1") = "6"
    & skf21("4","7","3","5","2","5","6","1") = "6"
    & skf21("4","7","3","5","2","5","7","1") = "6"
    & skf21("4","7","3","5","2","6","1","1") = "6"
    & skf21("4","7","3","5","2","6","2","1") = "6"
    & skf21("4","7","3","5","2","6","3","1") = "6"
    & skf21("4","7","3","5","2","6","4","1") = "6"
    & skf21("4","7","3","5","2","6","5","1") = "6"
    & skf21("4","7","3","5","2","6","6","1") = "6"
    & skf21("4","7","3","5","2","6","7","1") = "6"
    & skf21("4","7","3","5","2","7","1","1") = "6"
    & skf21("4","7","3","5","2","7","2","1") = "6"
    & skf21("4","7","3","5","2","7","3","1") = "6"
    & skf21("4","7","3","5","2","7","4","1") = "6"
    & skf21("4","7","3","5","2","7","5","1") = "6"
    & skf21("4","7","3","5","2","7","6","1") = "6"
    & skf21("4","7","3","5","2","7","7","1") = "6"
    & skf21("4","7","3","5","3","1","1","1") = "6"
    & skf21("4","7","3","5","3","1","2","1") = "6"
    & skf21("4","7","3","5","3","1","3","1") = "6"
    & skf21("4","7","3","5","3","1","4","1") = "6"
    & skf21("4","7","3","5","3","1","5","1") = "6"
    & skf21("4","7","3","5","3","1","6","1") = "6"
    & skf21("4","7","3","5","3","1","7","1") = "6"
    & skf21("4","7","3","5","3","2","1","1") = "6"
    & skf21("4","7","3","5","3","2","2","1") = "6"
    & skf21("4","7","3","5","3","2","3","1") = "6"
    & skf21("4","7","3","5","3","2","4","1") = "6"
    & skf21("4","7","3","5","3","2","5","1") = "6"
    & skf21("4","7","3","5","3","2","6","1") = "6"
    & skf21("4","7","3","5","3","2","7","1") = "6"
    & skf21("4","7","3","5","3","3","1","1") = "6"
    & skf21("4","7","3","5","3","3","2","1") = "6"
    & skf21("4","7","3","5","3","3","3","1") = "6"
    & skf21("4","7","3","5","3","3","4","1") = "6"
    & skf21("4","7","3","5","3","3","5","1") = "6"
    & skf21("4","7","3","5","3","3","6","1") = "6"
    & skf21("4","7","3","5","3","3","7","1") = "6"
    & skf21("4","7","3","5","3","4","1","1") = "6"
    & skf21("4","7","3","5","3","4","2","1") = "6"
    & skf21("4","7","3","5","3","4","3","1") = "6"
    & skf21("4","7","3","5","3","4","4","1") = "6"
    & skf21("4","7","3","5","3","4","5","1") = "6"
    & skf21("4","7","3","5","3","4","6","1") = "6"
    & skf21("4","7","3","5","3","4","7","1") = "6"
    & skf21("4","7","3","5","3","5","1","1") = "6"
    & skf21("4","7","3","5","3","5","2","1") = "6"
    & skf21("4","7","3","5","3","5","3","1") = "6"
    & skf21("4","7","3","5","3","5","4","1") = "6"
    & skf21("4","7","3","5","3","5","5","1") = "6"
    & skf21("4","7","3","5","3","5","6","1") = "6"
    & skf21("4","7","3","5","3","5","7","1") = "6"
    & skf21("4","7","3","5","3","6","1","1") = "6"
    & skf21("4","7","3","5","3","6","2","1") = "6"
    & skf21("4","7","3","5","3","6","3","1") = "6"
    & skf21("4","7","3","5","3","6","4","1") = "6"
    & skf21("4","7","3","5","3","6","5","1") = "6"
    & skf21("4","7","3","5","3","6","6","1") = "6"
    & skf21("4","7","3","5","3","6","7","1") = "6"
    & skf21("4","7","3","5","3","7","1","1") = "6"
    & skf21("4","7","3","5","3","7","2","1") = "6"
    & skf21("4","7","3","5","3","7","3","1") = "6"
    & skf21("4","7","3","5","3","7","4","1") = "6"
    & skf21("4","7","3","5","3","7","5","1") = "6"
    & skf21("4","7","3","5","3","7","6","1") = "6"
    & skf21("4","7","3","5","3","7","7","1") = "6"
    & skf21("4","7","3","5","4","1","1","1") = "6"
    & skf21("4","7","3","5","4","1","2","1") = "6"
    & skf21("4","7","3","5","4","1","3","1") = "6"
    & skf21("4","7","3","5","4","1","4","1") = "6"
    & skf21("4","7","3","5","4","1","5","1") = "6"
    & skf21("4","7","3","5","4","1","6","1") = "6"
    & skf21("4","7","3","5","4","1","7","1") = "6"
    & skf21("4","7","3","5","4","2","1","1") = "6"
    & skf21("4","7","3","5","4","2","2","1") = "6"
    & skf21("4","7","3","5","4","2","3","1") = "6"
    & skf21("4","7","3","5","4","2","4","1") = "6"
    & skf21("4","7","3","5","4","2","5","1") = "6"
    & skf21("4","7","3","5","4","2","6","1") = "6"
    & skf21("4","7","3","5","4","2","7","1") = "6"
    & skf21("4","7","3","5","4","3","1","1") = "6"
    & skf21("4","7","3","5","4","3","2","1") = "6"
    & skf21("4","7","3","5","4","3","3","1") = "6"
    & skf21("4","7","3","5","4","3","4","1") = "6"
    & skf21("4","7","3","5","4","3","5","1") = "6"
    & skf21("4","7","3","5","4","3","6","1") = "6"
    & skf21("4","7","3","5","4","3","7","1") = "6"
    & skf21("4","7","3","5","4","4","1","1") = "6"
    & skf21("4","7","3","5","4","4","2","1") = "6"
    & skf21("4","7","3","5","4","4","3","1") = "6"
    & skf21("4","7","3","5","4","4","4","1") = "6"
    & skf21("4","7","3","5","4","4","5","1") = "6"
    & skf21("4","7","3","5","4","4","6","1") = "6"
    & skf21("4","7","3","5","4","4","7","1") = "6"
    & skf21("4","7","3","5","4","5","1","1") = "6"
    & skf21("4","7","3","5","4","5","2","1") = "6"
    & skf21("4","7","3","5","4","5","3","1") = "6"
    & skf21("4","7","3","5","4","5","4","1") = "6"
    & skf21("4","7","3","5","4","5","5","1") = "6"
    & skf21("4","7","3","5","4","5","6","1") = "6"
    & skf21("4","7","3","5","4","5","7","1") = "6"
    & skf21("4","7","3","5","4","6","1","1") = "6"
    & skf21("4","7","3","5","4","6","2","1") = "6"
    & skf21("4","7","3","5","4","6","3","1") = "6"
    & skf21("4","7","3","5","4","6","4","1") = "6"
    & skf21("4","7","3","5","4","6","5","1") = "6"
    & skf21("4","7","3","5","4","6","6","1") = "6"
    & skf21("4","7","3","5","4","6","7","1") = "6"
    & skf21("4","7","3","5","4","7","1","1") = "6"
    & skf21("4","7","3","5","4","7","2","1") = "6"
    & skf21("4","7","3","5","4","7","3","1") = "6"
    & skf21("4","7","3","5","4","7","4","1") = "6"
    & skf21("4","7","3","5","4","7","5","1") = "6"
    & skf21("4","7","3","5","4","7","6","1") = "6"
    & skf21("4","7","3","5","4","7","7","1") = "6"
    & skf21("4","7","3","5","5","1","1","1") = "6"
    & skf21("4","7","3","5","5","1","2","1") = "6"
    & skf21("4","7","3","5","5","1","3","1") = "6"
    & skf21("4","7","3","5","5","1","4","1") = "6"
    & skf21("4","7","3","5","5","1","5","1") = "6"
    & skf21("4","7","3","5","5","1","6","1") = "6"
    & skf21("4","7","3","5","5","1","7","1") = "6"
    & skf21("4","7","3","5","5","2","1","1") = "6"
    & skf21("4","7","3","5","5","2","2","1") = "6"
    & skf21("4","7","3","5","5","2","3","1") = "6"
    & skf21("4","7","3","5","5","2","4","1") = "6"
    & skf21("4","7","3","5","5","2","5","1") = "6"
    & skf21("4","7","3","5","5","2","6","1") = "6"
    & skf21("4","7","3","5","5","2","7","1") = "6"
    & skf21("4","7","3","5","5","3","1","1") = "6"
    & skf21("4","7","3","5","5","3","2","1") = "6"
    & skf21("4","7","3","5","5","3","3","1") = "6"
    & skf21("4","7","3","5","5","3","4","1") = "6"
    & skf21("4","7","3","5","5","3","5","1") = "6"
    & skf21("4","7","3","5","5","3","6","1") = "6"
    & skf21("4","7","3","5","5","3","7","1") = "6"
    & skf21("4","7","3","5","5","4","1","1") = "6"
    & skf21("4","7","3","5","5","4","2","1") = "6"
    & skf21("4","7","3","5","5","4","3","1") = "6"
    & skf21("4","7","3","5","5","4","4","1") = "6"
    & skf21("4","7","3","5","5","4","5","1") = "6"
    & skf21("4","7","3","5","5","4","6","1") = "6"
    & skf21("4","7","3","5","5","4","7","1") = "6"
    & skf21("4","7","3","5","5","5","1","1") = "6"
    & skf21("4","7","3","5","5","5","2","1") = "6"
    & skf21("4","7","3","5","5","5","3","1") = "6"
    & skf21("4","7","3","5","5","5","4","1") = "6"
    & skf21("4","7","3","5","5","5","5","1") = "6"
    & skf21("4","7","3","5","5","5","6","1") = "6"
    & skf21("4","7","3","5","5","5","7","1") = "6"
    & skf21("4","7","3","5","5","6","1","1") = "6"
    & skf21("4","7","3","5","5","6","2","1") = "6"
    & skf21("4","7","3","5","5","6","3","1") = "6"
    & skf21("4","7","3","5","5","6","4","1") = "6"
    & skf21("4","7","3","5","5","6","5","1") = "6"
    & skf21("4","7","3","5","5","6","6","1") = "6"
    & skf21("4","7","3","5","5","6","7","1") = "6"
    & skf21("4","7","3","5","5","7","1","1") = "6"
    & skf21("4","7","3","5","5","7","2","1") = "6"
    & skf21("4","7","3","5","5","7","3","1") = "6"
    & skf21("4","7","3","5","5","7","4","1") = "6"
    & skf21("4","7","3","5","5","7","5","1") = "6"
    & skf21("4","7","3","5","5","7","6","1") = "6"
    & skf21("4","7","3","5","5","7","7","1") = "6"
    & skf21("4","7","3","5","6","1","1","1") = "6"
    & skf21("4","7","3","5","6","1","2","1") = "6"
    & skf21("4","7","3","5","6","1","3","1") = "6"
    & skf21("4","7","3","5","6","1","4","1") = "6"
    & skf21("4","7","3","5","6","1","5","1") = "6"
    & skf21("4","7","3","5","6","1","6","1") = "6"
    & skf21("4","7","3","5","6","1","7","1") = "6"
    & skf21("4","7","3","5","6","2","1","1") = "6"
    & skf21("4","7","3","5","6","2","2","1") = "6"
    & skf21("4","7","3","5","6","2","3","1") = "6"
    & skf21("4","7","3","5","6","2","4","1") = "6"
    & skf21("4","7","3","5","6","2","5","1") = "6"
    & skf21("4","7","3","5","6","2","6","1") = "6"
    & skf21("4","7","3","5","6","2","7","1") = "6"
    & skf21("4","7","3","5","6","3","1","1") = "6"
    & skf21("4","7","3","5","6","3","2","1") = "6"
    & skf21("4","7","3","5","6","3","3","1") = "6"
    & skf21("4","7","3","5","6","3","4","1") = "6"
    & skf21("4","7","3","5","6","3","5","1") = "6"
    & skf21("4","7","3","5","6","3","6","1") = "6"
    & skf21("4","7","3","5","6","3","7","1") = "6"
    & skf21("4","7","3","5","6","4","1","1") = "6"
    & skf21("4","7","3","5","6","4","2","1") = "6"
    & skf21("4","7","3","5","6","4","3","1") = "6"
    & skf21("4","7","3","5","6","4","4","1") = "6"
    & skf21("4","7","3","5","6","4","5","1") = "6"
    & skf21("4","7","3","5","6","4","6","1") = "6"
    & skf21("4","7","3","5","6","4","7","1") = "6"
    & skf21("4","7","3","5","6","5","1","1") = "6"
    & skf21("4","7","3","5","6","5","2","1") = "6"
    & skf21("4","7","3","5","6","5","3","1") = "6"
    & skf21("4","7","3","5","6","5","4","1") = "6"
    & skf21("4","7","3","5","6","5","5","1") = "6"
    & skf21("4","7","3","5","6","5","6","1") = "6"
    & skf21("4","7","3","5","6","5","7","1") = "6"
    & skf21("4","7","3","5","6","6","1","1") = "6"
    & skf21("4","7","3","5","6","6","2","1") = "6"
    & skf21("4","7","3","5","6","6","3","1") = "6"
    & skf21("4","7","3","5","6","6","4","1") = "6"
    & skf21("4","7","3","5","6","6","5","1") = "6"
    & skf21("4","7","3","5","6","6","6","1") = "6"
    & skf21("4","7","3","5","6","6","7","1") = "6"
    & skf21("4","7","3","5","6","7","1","1") = "6"
    & skf21("4","7","3","5","6","7","2","1") = "6"
    & skf21("4","7","3","5","6","7","3","1") = "6"
    & skf21("4","7","3","5","6","7","4","1") = "6"
    & skf21("4","7","3","5","6","7","5","1") = "6"
    & skf21("4","7","3","5","6","7","6","1") = "6"
    & skf21("4","7","3","5","6","7","7","1") = "6"
    & skf21("4","7","3","5","7","1","1","1") = "6"
    & skf21("4","7","3","5","7","1","2","1") = "6"
    & skf21("4","7","3","5","7","1","3","1") = "6"
    & skf21("4","7","3","5","7","1","4","1") = "6"
    & skf21("4","7","3","5","7","1","5","1") = "6"
    & skf21("4","7","3","5","7","1","6","1") = "6"
    & skf21("4","7","3","5","7","1","7","1") = "6"
    & skf21("4","7","3","5","7","2","1","1") = "6"
    & skf21("4","7","3","5","7","2","2","1") = "6"
    & skf21("4","7","3","5","7","2","3","1") = "6"
    & skf21("4","7","3","5","7","2","4","1") = "6"
    & skf21("4","7","3","5","7","2","5","1") = "6"
    & skf21("4","7","3","5","7","2","6","1") = "6"
    & skf21("4","7","3","5","7","2","7","1") = "6"
    & skf21("4","7","3","5","7","3","1","1") = "6"
    & skf21("4","7","3","5","7","3","2","1") = "6"
    & skf21("4","7","3","5","7","3","3","1") = "6"
    & skf21("4","7","3","5","7","3","4","1") = "6"
    & skf21("4","7","3","5","7","3","5","1") = "6"
    & skf21("4","7","3","5","7","3","6","1") = "6"
    & skf21("4","7","3","5","7","3","7","1") = "6"
    & skf21("4","7","3","5","7","4","1","1") = "6"
    & skf21("4","7","3","5","7","4","2","1") = "6"
    & skf21("4","7","3","5","7","4","3","1") = "6"
    & skf21("4","7","3","5","7","4","4","1") = "6"
    & skf21("4","7","3","5","7","4","5","1") = "6"
    & skf21("4","7","3","5","7","4","6","1") = "6"
    & skf21("4","7","3","5","7","4","7","1") = "6"
    & skf21("4","7","3","5","7","5","1","1") = "6"
    & skf21("4","7","3","5","7","5","2","1") = "6"
    & skf21("4","7","3","5","7","5","3","1") = "6"
    & skf21("4","7","3","5","7","5","4","1") = "6"
    & skf21("4","7","3","5","7","5","5","1") = "6"
    & skf21("4","7","3","5","7","5","6","1") = "6"
    & skf21("4","7","3","5","7","5","7","1") = "6"
    & skf21("4","7","3","5","7","6","1","1") = "6"
    & skf21("4","7","3","5","7","6","2","1") = "6"
    & skf21("4","7","3","5","7","6","3","1") = "6"
    & skf21("4","7","3","5","7","6","4","1") = "6"
    & skf21("4","7","3","5","7","6","5","1") = "6"
    & skf21("4","7","3","5","7","6","6","1") = "6"
    & skf21("4","7","3","5","7","6","7","1") = "6"
    & skf21("4","7","3","5","7","7","1","1") = "6"
    & skf21("4","7","3","5","7","7","2","1") = "6"
    & skf21("4","7","3","5","7","7","3","1") = "6"
    & skf21("4","7","3","5","7","7","4","1") = "6"
    & skf21("4","7","3","5","7","7","5","1") = "6"
    & skf21("4","7","3","5","7","7","6","1") = "6"
    & skf21("4","7","3","5","7","7","7","1") = "6"
    & skf21("4","7","3","6","1","1","1","1") = "6"
    & skf21("4","7","3","6","1","1","2","1") = "6"
    & skf21("4","7","3","6","1","1","3","1") = "6"
    & skf21("4","7","3","6","1","1","4","1") = "6"
    & skf21("4","7","3","6","1","1","5","1") = "6"
    & skf21("4","7","3","6","1","1","6","1") = "6"
    & skf21("4","7","3","6","1","1","7","1") = "6"
    & skf21("4","7","3","6","1","2","1","1") = "6"
    & skf21("4","7","3","6","1","2","2","1") = "6"
    & skf21("4","7","3","6","1","2","3","1") = "6"
    & skf21("4","7","3","6","1","2","4","1") = "6"
    & skf21("4","7","3","6","1","2","5","1") = "6"
    & skf21("4","7","3","6","1","2","6","1") = "6"
    & skf21("4","7","3","6","1","2","7","1") = "6"
    & skf21("4","7","3","6","1","3","1","1") = "6"
    & skf21("4","7","3","6","1","3","2","1") = "6"
    & skf21("4","7","3","6","1","3","3","1") = "6"
    & skf21("4","7","3","6","1","3","4","1") = "6"
    & skf21("4","7","3","6","1","3","5","1") = "6"
    & skf21("4","7","3","6","1","3","6","1") = "6"
    & skf21("4","7","3","6","1","3","7","1") = "6"
    & skf21("4","7","3","6","1","4","1","1") = "6"
    & skf21("4","7","3","6","1","4","2","1") = "6"
    & skf21("4","7","3","6","1","4","3","1") = "6"
    & skf21("4","7","3","6","1","4","4","1") = "6"
    & skf21("4","7","3","6","1","4","5","1") = "6"
    & skf21("4","7","3","6","1","4","6","1") = "6"
    & skf21("4","7","3","6","1","4","7","1") = "6"
    & skf21("4","7","3","6","1","5","1","1") = "6"
    & skf21("4","7","3","6","1","5","2","1") = "6"
    & skf21("4","7","3","6","1","5","3","1") = "6"
    & skf21("4","7","3","6","1","5","4","1") = "6"
    & skf21("4","7","3","6","1","5","5","1") = "6"
    & skf21("4","7","3","6","1","5","6","1") = "6"
    & skf21("4","7","3","6","1","5","7","1") = "6"
    & skf21("4","7","3","6","1","6","1","1") = "6"
    & skf21("4","7","3","6","1","6","2","1") = "6"
    & skf21("4","7","3","6","1","6","3","1") = "6"
    & skf21("4","7","3","6","1","6","4","1") = "6"
    & skf21("4","7","3","6","1","6","5","1") = "6"
    & skf21("4","7","3","6","1","6","6","1") = "6"
    & skf21("4","7","3","6","1","6","7","1") = "6"
    & skf21("4","7","3","6","1","7","1","1") = "6"
    & skf21("4","7","3","6","1","7","2","1") = "6"
    & skf21("4","7","3","6","1","7","3","1") = "6"
    & skf21("4","7","3","6","1","7","4","1") = "6"
    & skf21("4","7","3","6","1","7","5","1") = "6"
    & skf21("4","7","3","6","1","7","6","1") = "6"
    & skf21("4","7","3","6","1","7","7","1") = "6"
    & skf21("4","7","3","6","2","1","1","1") = "6"
    & skf21("4","7","3","6","2","1","2","1") = "6"
    & skf21("4","7","3","6","2","1","3","1") = "6"
    & skf21("4","7","3","6","2","1","4","1") = "6"
    & skf21("4","7","3","6","2","1","5","1") = "6"
    & skf21("4","7","3","6","2","1","6","1") = "6"
    & skf21("4","7","3","6","2","1","7","1") = "6"
    & skf21("4","7","3","6","2","2","1","1") = "6"
    & skf21("4","7","3","6","2","2","2","1") = "6"
    & skf21("4","7","3","6","2","2","3","1") = "6"
    & skf21("4","7","3","6","2","2","4","1") = "6"
    & skf21("4","7","3","6","2","2","5","1") = "6"
    & skf21("4","7","3","6","2","2","6","1") = "6"
    & skf21("4","7","3","6","2","2","7","1") = "6"
    & skf21("4","7","3","6","2","3","1","1") = "6"
    & skf21("4","7","3","6","2","3","2","1") = "6"
    & skf21("4","7","3","6","2","3","3","1") = "6"
    & skf21("4","7","3","6","2","3","4","1") = "6"
    & skf21("4","7","3","6","2","3","5","1") = "6"
    & skf21("4","7","3","6","2","3","6","1") = "6"
    & skf21("4","7","3","6","2","3","7","1") = "6"
    & skf21("4","7","3","6","2","4","1","1") = "6"
    & skf21("4","7","3","6","2","4","2","1") = "6"
    & skf21("4","7","3","6","2","4","3","1") = "6"
    & skf21("4","7","3","6","2","4","4","1") = "6"
    & skf21("4","7","3","6","2","4","5","1") = "6"
    & skf21("4","7","3","6","2","4","6","1") = "6"
    & skf21("4","7","3","6","2","4","7","1") = "6"
    & skf21("4","7","3","6","2","5","1","1") = "6"
    & skf21("4","7","3","6","2","5","2","1") = "6"
    & skf21("4","7","3","6","2","5","3","1") = "6"
    & skf21("4","7","3","6","2","5","4","1") = "6"
    & skf21("4","7","3","6","2","5","5","1") = "6"
    & skf21("4","7","3","6","2","5","6","1") = "6"
    & skf21("4","7","3","6","2","5","7","1") = "6"
    & skf21("4","7","3","6","2","6","1","1") = "6"
    & skf21("4","7","3","6","2","6","2","1") = "6"
    & skf21("4","7","3","6","2","6","3","1") = "6"
    & skf21("4","7","3","6","2","6","4","1") = "6"
    & skf21("4","7","3","6","2","6","5","1") = "6"
    & skf21("4","7","3","6","2","6","6","1") = "6"
    & skf21("4","7","3","6","2","6","7","1") = "6"
    & skf21("4","7","3","6","2","7","1","1") = "6"
    & skf21("4","7","3","6","2","7","2","1") = "6"
    & skf21("4","7","3","6","2","7","3","1") = "6"
    & skf21("4","7","3","6","2","7","4","1") = "6"
    & skf21("4","7","3","6","2","7","5","1") = "6"
    & skf21("4","7","3","6","2","7","6","1") = "6"
    & skf21("4","7","3","6","2","7","7","1") = "6"
    & skf21("4","7","3","6","3","1","1","1") = "6"
    & skf21("4","7","3","6","3","1","2","1") = "6"
    & skf21("4","7","3","6","3","1","3","1") = "6"
    & skf21("4","7","3","6","3","1","4","1") = "6"
    & skf21("4","7","3","6","3","1","5","1") = "6"
    & skf21("4","7","3","6","3","1","6","1") = "6"
    & skf21("4","7","3","6","3","1","7","1") = "6"
    & skf21("4","7","3","6","3","2","1","1") = "6"
    & skf21("4","7","3","6","3","2","2","1") = "6"
    & skf21("4","7","3","6","3","2","3","1") = "6"
    & skf21("4","7","3","6","3","2","4","1") = "6"
    & skf21("4","7","3","6","3","2","5","1") = "6"
    & skf21("4","7","3","6","3","2","6","1") = "6"
    & skf21("4","7","3","6","3","2","7","1") = "6"
    & skf21("4","7","3","6","3","3","1","1") = "6"
    & skf21("4","7","3","6","3","3","2","1") = "6"
    & skf21("4","7","3","6","3","3","3","1") = "6"
    & skf21("4","7","3","6","3","3","4","1") = "6"
    & skf21("4","7","3","6","3","3","5","1") = "6"
    & skf21("4","7","3","6","3","3","6","1") = "6"
    & skf21("4","7","3","6","3","3","7","1") = "6"
    & skf21("4","7","3","6","3","4","1","1") = "6"
    & skf21("4","7","3","6","3","4","2","1") = "6"
    & skf21("4","7","3","6","3","4","3","1") = "6"
    & skf21("4","7","3","6","3","4","4","1") = "6"
    & skf21("4","7","3","6","3","4","5","1") = "6"
    & skf21("4","7","3","6","3","4","6","1") = "6"
    & skf21("4","7","3","6","3","4","7","1") = "6"
    & skf21("4","7","3","6","3","5","1","1") = "6"
    & skf21("4","7","3","6","3","5","2","1") = "6"
    & skf21("4","7","3","6","3","5","3","1") = "6"
    & skf21("4","7","3","6","3","5","4","1") = "6"
    & skf21("4","7","3","6","3","5","5","1") = "6"
    & skf21("4","7","3","6","3","5","6","1") = "6"
    & skf21("4","7","3","6","3","5","7","1") = "6"
    & skf21("4","7","3","6","3","6","1","1") = "6"
    & skf21("4","7","3","6","3","6","2","1") = "6"
    & skf21("4","7","3","6","3","6","3","1") = "6"
    & skf21("4","7","3","6","3","6","4","1") = "6"
    & skf21("4","7","3","6","3","6","5","1") = "6"
    & skf21("4","7","3","6","3","6","6","1") = "6"
    & skf21("4","7","3","6","3","6","7","1") = "6"
    & skf21("4","7","3","6","3","7","1","1") = "6"
    & skf21("4","7","3","6","3","7","2","1") = "6"
    & skf21("4","7","3","6","3","7","3","1") = "6"
    & skf21("4","7","3","6","3","7","4","1") = "6"
    & skf21("4","7","3","6","3","7","5","1") = "6"
    & skf21("4","7","3","6","3","7","6","1") = "6"
    & skf21("4","7","3","6","3","7","7","1") = "6"
    & skf21("4","7","3","6","4","1","1","1") = "6"
    & skf21("4","7","3","6","4","1","2","1") = "6"
    & skf21("4","7","3","6","4","1","3","1") = "6"
    & skf21("4","7","3","6","4","1","4","1") = "6"
    & skf21("4","7","3","6","4","1","5","1") = "6"
    & skf21("4","7","3","6","4","1","6","1") = "6"
    & skf21("4","7","3","6","4","1","7","1") = "6"
    & skf21("4","7","3","6","4","2","1","1") = "6"
    & skf21("4","7","3","6","4","2","2","1") = "6"
    & skf21("4","7","3","6","4","2","3","1") = "6"
    & skf21("4","7","3","6","4","2","4","1") = "6"
    & skf21("4","7","3","6","4","2","5","1") = "6"
    & skf21("4","7","3","6","4","2","6","1") = "6"
    & skf21("4","7","3","6","4","2","7","1") = "6"
    & skf21("4","7","3","6","4","3","1","1") = "6"
    & skf21("4","7","3","6","4","3","2","1") = "6"
    & skf21("4","7","3","6","4","3","3","1") = "6"
    & skf21("4","7","3","6","4","3","4","1") = "6"
    & skf21("4","7","3","6","4","3","5","1") = "6"
    & skf21("4","7","3","6","4","3","6","1") = "6"
    & skf21("4","7","3","6","4","3","7","1") = "6"
    & skf21("4","7","3","6","4","4","1","1") = "6"
    & skf21("4","7","3","6","4","4","2","1") = "6"
    & skf21("4","7","3","6","4","4","3","1") = "6"
    & skf21("4","7","3","6","4","4","4","1") = "6"
    & skf21("4","7","3","6","4","4","5","1") = "6"
    & skf21("4","7","3","6","4","4","6","1") = "6"
    & skf21("4","7","3","6","4","4","7","1") = "6"
    & skf21("4","7","3","6","4","5","1","1") = "6"
    & skf21("4","7","3","6","4","5","2","1") = "6"
    & skf21("4","7","3","6","4","5","3","1") = "6"
    & skf21("4","7","3","6","4","5","4","1") = "6"
    & skf21("4","7","3","6","4","5","5","1") = "6"
    & skf21("4","7","3","6","4","5","6","1") = "6"
    & skf21("4","7","3","6","4","5","7","1") = "6"
    & skf21("4","7","3","6","4","6","1","1") = "6"
    & skf21("4","7","3","6","4","6","2","1") = "6"
    & skf21("4","7","3","6","4","6","3","1") = "6"
    & skf21("4","7","3","6","4","6","4","1") = "6"
    & skf21("4","7","3","6","4","6","5","1") = "6"
    & skf21("4","7","3","6","4","6","6","1") = "6"
    & skf21("4","7","3","6","4","6","7","1") = "6"
    & skf21("4","7","3","6","4","7","1","1") = "6"
    & skf21("4","7","3","6","4","7","2","1") = "6"
    & skf21("4","7","3","6","4","7","3","1") = "6"
    & skf21("4","7","3","6","4","7","4","1") = "6"
    & skf21("4","7","3","6","4","7","5","1") = "6"
    & skf21("4","7","3","6","4","7","6","1") = "6"
    & skf21("4","7","3","6","4","7","7","1") = "6"
    & skf21("4","7","3","6","5","1","1","1") = "6"
    & skf21("4","7","3","6","5","1","2","1") = "6"
    & skf21("4","7","3","6","5","1","3","1") = "6"
    & skf21("4","7","3","6","5","1","4","1") = "6"
    & skf21("4","7","3","6","5","1","5","1") = "6"
    & skf21("4","7","3","6","5","1","6","1") = "6"
    & skf21("4","7","3","6","5","1","7","1") = "6"
    & skf21("4","7","3","6","5","2","1","1") = "6"
    & skf21("4","7","3","6","5","2","2","1") = "6"
    & skf21("4","7","3","6","5","2","3","1") = "6"
    & skf21("4","7","3","6","5","2","4","1") = "6"
    & skf21("4","7","3","6","5","2","5","1") = "6"
    & skf21("4","7","3","6","5","2","6","1") = "6"
    & skf21("4","7","3","6","5","2","7","1") = "6"
    & skf21("4","7","3","6","5","3","1","1") = "6"
    & skf21("4","7","3","6","5","3","2","1") = "6"
    & skf21("4","7","3","6","5","3","3","1") = "6"
    & skf21("4","7","3","6","5","3","4","1") = "6"
    & skf21("4","7","3","6","5","3","5","1") = "6"
    & skf21("4","7","3","6","5","3","6","1") = "6"
    & skf21("4","7","3","6","5","3","7","1") = "6"
    & skf21("4","7","3","6","5","4","1","1") = "6"
    & skf21("4","7","3","6","5","4","2","1") = "6"
    & skf21("4","7","3","6","5","4","3","1") = "6"
    & skf21("4","7","3","6","5","4","4","1") = "6"
    & skf21("4","7","3","6","5","4","5","1") = "6"
    & skf21("4","7","3","6","5","4","6","1") = "6"
    & skf21("4","7","3","6","5","4","7","1") = "6"
    & skf21("4","7","3","6","5","5","1","1") = "6"
    & skf21("4","7","3","6","5","5","2","1") = "6"
    & skf21("4","7","3","6","5","5","3","1") = "6"
    & skf21("4","7","3","6","5","5","4","1") = "6"
    & skf21("4","7","3","6","5","5","5","1") = "6"
    & skf21("4","7","3","6","5","5","6","1") = "6"
    & skf21("4","7","3","6","5","5","7","1") = "6"
    & skf21("4","7","3","6","5","6","1","1") = "6"
    & skf21("4","7","3","6","5","6","2","1") = "6"
    & skf21("4","7","3","6","5","6","3","1") = "6"
    & skf21("4","7","3","6","5","6","4","1") = "6"
    & skf21("4","7","3","6","5","6","5","1") = "6"
    & skf21("4","7","3","6","5","6","6","1") = "6"
    & skf21("4","7","3","6","5","6","7","1") = "6"
    & skf21("4","7","3","6","5","7","1","1") = "6"
    & skf21("4","7","3","6","5","7","2","1") = "6"
    & skf21("4","7","3","6","5","7","3","1") = "6"
    & skf21("4","7","3","6","5","7","4","1") = "6"
    & skf21("4","7","3","6","5","7","5","1") = "6"
    & skf21("4","7","3","6","5","7","6","1") = "6"
    & skf21("4","7","3","6","5","7","7","1") = "6"
    & skf21("4","7","3","6","6","1","1","1") = "6"
    & skf21("4","7","3","6","6","1","2","1") = "6"
    & skf21("4","7","3","6","6","1","3","1") = "6"
    & skf21("4","7","3","6","6","1","4","1") = "6"
    & skf21("4","7","3","6","6","1","5","1") = "6"
    & skf21("4","7","3","6","6","1","6","1") = "6"
    & skf21("4","7","3","6","6","1","7","1") = "6"
    & skf21("4","7","3","6","6","2","1","1") = "6"
    & skf21("4","7","3","6","6","2","2","1") = "6"
    & skf21("4","7","3","6","6","2","3","1") = "6"
    & skf21("4","7","3","6","6","2","4","1") = "6"
    & skf21("4","7","3","6","6","2","5","1") = "6"
    & skf21("4","7","3","6","6","2","6","1") = "6"
    & skf21("4","7","3","6","6","2","7","1") = "6"
    & skf21("4","7","3","6","6","3","1","1") = "6"
    & skf21("4","7","3","6","6","3","2","1") = "6"
    & skf21("4","7","3","6","6","3","3","1") = "6"
    & skf21("4","7","3","6","6","3","4","1") = "6"
    & skf21("4","7","3","6","6","3","5","1") = "6"
    & skf21("4","7","3","6","6","3","6","1") = "6"
    & skf21("4","7","3","6","6","3","7","1") = "6"
    & skf21("4","7","3","6","6","4","1","1") = "6"
    & skf21("4","7","3","6","6","4","2","1") = "6"
    & skf21("4","7","3","6","6","4","3","1") = "6"
    & skf21("4","7","3","6","6","4","4","1") = "6"
    & skf21("4","7","3","6","6","4","5","1") = "6"
    & skf21("4","7","3","6","6","4","6","1") = "6"
    & skf21("4","7","3","6","6","4","7","1") = "6"
    & skf21("4","7","3","6","6","5","1","1") = "6"
    & skf21("4","7","3","6","6","5","2","1") = "6"
    & skf21("4","7","3","6","6","5","3","1") = "6"
    & skf21("4","7","3","6","6","5","4","1") = "6"
    & skf21("4","7","3","6","6","5","5","1") = "6"
    & skf21("4","7","3","6","6","5","6","1") = "6"
    & skf21("4","7","3","6","6","5","7","1") = "6"
    & skf21("4","7","3","6","6","6","1","1") = "6"
    & skf21("4","7","3","6","6","6","2","1") = "6"
    & skf21("4","7","3","6","6","6","3","1") = "6"
    & skf21("4","7","3","6","6","6","4","1") = "6"
    & skf21("4","7","3","6","6","6","5","1") = "6"
    & skf21("4","7","3","6","6","6","6","1") = "6"
    & skf21("4","7","3","6","6","6","7","1") = "6"
    & skf21("4","7","3","6","6","7","1","1") = "6"
    & skf21("4","7","3","6","6","7","2","1") = "6"
    & skf21("4","7","3","6","6","7","3","1") = "6"
    & skf21("4","7","3","6","6","7","4","1") = "6"
    & skf21("4","7","3","6","6","7","5","1") = "6"
    & skf21("4","7","3","6","6","7","6","1") = "6"
    & skf21("4","7","3","6","6","7","7","1") = "6"
    & skf21("4","7","3","6","7","1","1","1") = "6"
    & skf21("4","7","3","6","7","1","2","1") = "6"
    & skf21("4","7","3","6","7","1","3","1") = "6"
    & skf21("4","7","3","6","7","1","4","1") = "6"
    & skf21("4","7","3","6","7","1","5","1") = "6"
    & skf21("4","7","3","6","7","1","6","1") = "6"
    & skf21("4","7","3","6","7","1","7","1") = "6"
    & skf21("4","7","3","6","7","2","1","1") = "6"
    & skf21("4","7","3","6","7","2","2","1") = "6"
    & skf21("4","7","3","6","7","2","3","1") = "6"
    & skf21("4","7","3","6","7","2","4","1") = "6"
    & skf21("4","7","3","6","7","2","5","1") = "6"
    & skf21("4","7","3","6","7","2","6","1") = "6"
    & skf21("4","7","3","6","7","2","7","1") = "6"
    & skf21("4","7","3","6","7","3","1","1") = "6"
    & skf21("4","7","3","6","7","3","2","1") = "6"
    & skf21("4","7","3","6","7","3","3","1") = "6"
    & skf21("4","7","3","6","7","3","4","1") = "6"
    & skf21("4","7","3","6","7","3","5","1") = "6"
    & skf21("4","7","3","6","7","3","6","1") = "6"
    & skf21("4","7","3","6","7","3","7","1") = "6"
    & skf21("4","7","3","6","7","4","1","1") = "6"
    & skf21("4","7","3","6","7","4","2","1") = "6"
    & skf21("4","7","3","6","7","4","3","1") = "6"
    & skf21("4","7","3","6","7","4","4","1") = "6"
    & skf21("4","7","3","6","7","4","5","1") = "6"
    & skf21("4","7","3","6","7","4","6","1") = "6"
    & skf21("4","7","3","6","7","4","7","1") = "6"
    & skf21("4","7","3","6","7","5","1","1") = "6"
    & skf21("4","7","3","6","7","5","2","1") = "6"
    & skf21("4","7","3","6","7","5","3","1") = "6"
    & skf21("4","7","3","6","7","5","4","1") = "6"
    & skf21("4","7","3","6","7","5","5","1") = "6"
    & skf21("4","7","3","6","7","5","6","1") = "6"
    & skf21("4","7","3","6","7","5","7","1") = "6"
    & skf21("4","7","3","6","7","6","1","1") = "6"
    & skf21("4","7","3","6","7","6","2","1") = "6"
    & skf21("4","7","3","6","7","6","3","1") = "6"
    & skf21("4","7","3","6","7","6","4","1") = "6"
    & skf21("4","7","3","6","7","6","5","1") = "6"
    & skf21("4","7","3","6","7","6","6","1") = "6"
    & skf21("4","7","3","6","7","6","7","1") = "6"
    & skf21("4","7","3","6","7","7","1","1") = "6"
    & skf21("4","7","3","6","7","7","2","1") = "6"
    & skf21("4","7","3","6","7","7","3","1") = "6"
    & skf21("4","7","3","6","7","7","4","1") = "6"
    & skf21("4","7","3","6","7","7","5","1") = "6"
    & skf21("4","7","3","6","7","7","6","1") = "6"
    & skf21("4","7","3","6","7","7","7","1") = "6"
    & skf21("4","7","3","7","1","1","1","1") = "6"
    & skf21("4","7","3","7","1","1","2","1") = "6"
    & skf21("4","7","3","7","1","1","3","1") = "6"
    & skf21("4","7","3","7","1","1","4","1") = "6"
    & skf21("4","7","3","7","1","1","5","1") = "6"
    & skf21("4","7","3","7","1","1","6","1") = "6"
    & skf21("4","7","3","7","1","1","7","1") = "6"
    & skf21("4","7","3","7","1","2","1","1") = "6"
    & skf21("4","7","3","7","1","2","2","1") = "6"
    & skf21("4","7","3","7","1","2","3","1") = "6"
    & skf21("4","7","3","7","1","2","4","1") = "6"
    & skf21("4","7","3","7","1","2","5","1") = "6"
    & skf21("4","7","3","7","1","2","6","1") = "6"
    & skf21("4","7","3","7","1","2","7","1") = "6"
    & skf21("4","7","3","7","1","3","1","1") = "6"
    & skf21("4","7","3","7","1","3","2","1") = "6"
    & skf21("4","7","3","7","1","3","3","1") = "6"
    & skf21("4","7","3","7","1","3","4","1") = "6"
    & skf21("4","7","3","7","1","3","5","1") = "6"
    & skf21("4","7","3","7","1","3","6","1") = "6"
    & skf21("4","7","3","7","1","3","7","1") = "6"
    & skf21("4","7","3","7","1","4","1","1") = "6"
    & skf21("4","7","3","7","1","4","2","1") = "6"
    & skf21("4","7","3","7","1","4","3","1") = "6"
    & skf21("4","7","3","7","1","4","4","1") = "6"
    & skf21("4","7","3","7","1","4","5","1") = "6"
    & skf21("4","7","3","7","1","4","6","1") = "6"
    & skf21("4","7","3","7","1","4","7","1") = "6"
    & skf21("4","7","3","7","1","5","1","1") = "6"
    & skf21("4","7","3","7","1","5","2","1") = "6"
    & skf21("4","7","3","7","1","5","3","1") = "6"
    & skf21("4","7","3","7","1","5","4","1") = "6"
    & skf21("4","7","3","7","1","5","5","1") = "6"
    & skf21("4","7","3","7","1","5","6","1") = "6"
    & skf21("4","7","3","7","1","5","7","1") = "6"
    & skf21("4","7","3","7","1","6","1","1") = "6"
    & skf21("4","7","3","7","1","6","2","1") = "6"
    & skf21("4","7","3","7","1","6","3","1") = "6"
    & skf21("4","7","3","7","1","6","4","1") = "6"
    & skf21("4","7","3","7","1","6","5","1") = "6"
    & skf21("4","7","3","7","1","6","6","1") = "6"
    & skf21("4","7","3","7","1","6","7","1") = "6"
    & skf21("4","7","3","7","1","7","1","1") = "6"
    & skf21("4","7","3","7","1","7","2","1") = "6"
    & skf21("4","7","3","7","1","7","3","1") = "6"
    & skf21("4","7","3","7","1","7","4","1") = "6"
    & skf21("4","7","3","7","1","7","5","1") = "6"
    & skf21("4","7","3","7","1","7","6","1") = "6"
    & skf21("4","7","3","7","1","7","7","1") = "6"
    & skf21("4","7","3","7","2","1","1","1") = "6"
    & skf21("4","7","3","7","2","1","2","1") = "6"
    & skf21("4","7","3","7","2","1","3","1") = "6"
    & skf21("4","7","3","7","2","1","4","1") = "6"
    & skf21("4","7","3","7","2","1","5","1") = "6"
    & skf21("4","7","3","7","2","1","6","1") = "6"
    & skf21("4","7","3","7","2","1","7","1") = "6"
    & skf21("4","7","3","7","2","2","1","1") = "6"
    & skf21("4","7","3","7","2","2","2","1") = "6"
    & skf21("4","7","3","7","2","2","3","1") = "6"
    & skf21("4","7","3","7","2","2","4","1") = "6"
    & skf21("4","7","3","7","2","2","5","1") = "6"
    & skf21("4","7","3","7","2","2","6","1") = "6"
    & skf21("4","7","3","7","2","2","7","1") = "6"
    & skf21("4","7","3","7","2","3","1","1") = "6"
    & skf21("4","7","3","7","2","3","2","1") = "6"
    & skf21("4","7","3","7","2","3","3","1") = "6"
    & skf21("4","7","3","7","2","3","4","1") = "6"
    & skf21("4","7","3","7","2","3","5","1") = "6"
    & skf21("4","7","3","7","2","3","6","1") = "6"
    & skf21("4","7","3","7","2","3","7","1") = "6"
    & skf21("4","7","3","7","2","4","1","1") = "6"
    & skf21("4","7","3","7","2","4","2","1") = "6"
    & skf21("4","7","3","7","2","4","3","1") = "6"
    & skf21("4","7","3","7","2","4","4","1") = "6"
    & skf21("4","7","3","7","2","4","5","1") = "6"
    & skf21("4","7","3","7","2","4","6","1") = "6"
    & skf21("4","7","3","7","2","4","7","1") = "6"
    & skf21("4","7","3","7","2","5","1","1") = "6"
    & skf21("4","7","3","7","2","5","2","1") = "6"
    & skf21("4","7","3","7","2","5","3","1") = "6"
    & skf21("4","7","3","7","2","5","4","1") = "6"
    & skf21("4","7","3","7","2","5","5","1") = "6"
    & skf21("4","7","3","7","2","5","6","1") = "6"
    & skf21("4","7","3","7","2","5","7","1") = "6"
    & skf21("4","7","3","7","2","6","1","1") = "6"
    & skf21("4","7","3","7","2","6","2","1") = "6"
    & skf21("4","7","3","7","2","6","3","1") = "6"
    & skf21("4","7","3","7","2","6","4","1") = "6"
    & skf21("4","7","3","7","2","6","5","1") = "6"
    & skf21("4","7","3","7","2","6","6","1") = "6"
    & skf21("4","7","3","7","2","6","7","1") = "6"
    & skf21("4","7","3","7","2","7","1","1") = "6"
    & skf21("4","7","3","7","2","7","2","1") = "6"
    & skf21("4","7","3","7","2","7","3","1") = "6"
    & skf21("4","7","3","7","2","7","4","1") = "6"
    & skf21("4","7","3","7","2","7","5","1") = "6"
    & skf21("4","7","3","7","2","7","6","1") = "6"
    & skf21("4","7","3","7","2","7","7","1") = "6"
    & skf21("4","7","3","7","3","1","1","1") = "6"
    & skf21("4","7","3","7","3","1","2","1") = "6"
    & skf21("4","7","3","7","3","1","3","1") = "6"
    & skf21("4","7","3","7","3","1","4","1") = "6"
    & skf21("4","7","3","7","3","1","5","1") = "6"
    & skf21("4","7","3","7","3","1","6","1") = "6"
    & skf21("4","7","3","7","3","1","7","1") = "6"
    & skf21("4","7","3","7","3","2","1","1") = "6"
    & skf21("4","7","3","7","3","2","2","1") = "6"
    & skf21("4","7","3","7","3","2","3","1") = "6"
    & skf21("4","7","3","7","3","2","4","1") = "6"
    & skf21("4","7","3","7","3","2","5","1") = "6"
    & skf21("4","7","3","7","3","2","6","1") = "6"
    & skf21("4","7","3","7","3","2","7","1") = "6"
    & skf21("4","7","3","7","3","3","1","1") = "6"
    & skf21("4","7","3","7","3","3","2","1") = "6"
    & skf21("4","7","3","7","3","3","3","1") = "6"
    & skf21("4","7","3","7","3","3","4","1") = "6"
    & skf21("4","7","3","7","3","3","5","1") = "6"
    & skf21("4","7","3","7","3","3","6","1") = "6"
    & skf21("4","7","3","7","3","3","7","1") = "6"
    & skf21("4","7","3","7","3","4","1","1") = "6"
    & skf21("4","7","3","7","3","4","2","1") = "6"
    & skf21("4","7","3","7","3","4","3","1") = "6"
    & skf21("4","7","3","7","3","4","4","1") = "6"
    & skf21("4","7","3","7","3","4","5","1") = "6"
    & skf21("4","7","3","7","3","4","6","1") = "6"
    & skf21("4","7","3","7","3","4","7","1") = "6"
    & skf21("4","7","3","7","3","5","1","1") = "6"
    & skf21("4","7","3","7","3","5","2","1") = "6"
    & skf21("4","7","3","7","3","5","3","1") = "6"
    & skf21("4","7","3","7","3","5","4","1") = "6"
    & skf21("4","7","3","7","3","5","5","1") = "6"
    & skf21("4","7","3","7","3","5","6","1") = "6"
    & skf21("4","7","3","7","3","5","7","1") = "6"
    & skf21("4","7","3","7","3","6","1","1") = "6"
    & skf21("4","7","3","7","3","6","2","1") = "6"
    & skf21("4","7","3","7","3","6","3","1") = "6"
    & skf21("4","7","3","7","3","6","4","1") = "6"
    & skf21("4","7","3","7","3","6","5","1") = "6"
    & skf21("4","7","3","7","3","6","6","1") = "6"
    & skf21("4","7","3","7","3","6","7","1") = "6"
    & skf21("4","7","3","7","3","7","1","1") = "6"
    & skf21("4","7","3","7","3","7","2","1") = "6"
    & skf21("4","7","3","7","3","7","3","1") = "6"
    & skf21("4","7","3","7","3","7","4","1") = "6"
    & skf21("4","7","3","7","3","7","5","1") = "6"
    & skf21("4","7","3","7","3","7","6","1") = "6"
    & skf21("4","7","3","7","3","7","7","1") = "6"
    & skf21("4","7","3","7","4","1","1","1") = "6"
    & skf21("4","7","3","7","4","1","2","1") = "6"
    & skf21("4","7","3","7","4","1","3","1") = "6"
    & skf21("4","7","3","7","4","1","4","1") = "6"
    & skf21("4","7","3","7","4","1","5","1") = "6"
    & skf21("4","7","3","7","4","1","6","1") = "6"
    & skf21("4","7","3","7","4","1","7","1") = "6"
    & skf21("4","7","3","7","4","2","1","1") = "6"
    & skf21("4","7","3","7","4","2","2","1") = "6"
    & skf21("4","7","3","7","4","2","3","1") = "6"
    & skf21("4","7","3","7","4","2","4","1") = "6"
    & skf21("4","7","3","7","4","2","5","1") = "6"
    & skf21("4","7","3","7","4","2","6","1") = "6"
    & skf21("4","7","3","7","4","2","7","1") = "6"
    & skf21("4","7","3","7","4","3","1","1") = "6"
    & skf21("4","7","3","7","4","3","2","1") = "6"
    & skf21("4","7","3","7","4","3","3","1") = "6"
    & skf21("4","7","3","7","4","3","4","1") = "6"
    & skf21("4","7","3","7","4","3","5","1") = "6"
    & skf21("4","7","3","7","4","3","6","1") = "6"
    & skf21("4","7","3","7","4","3","7","1") = "6"
    & skf21("4","7","3","7","4","4","1","1") = "6"
    & skf21("4","7","3","7","4","4","2","1") = "6"
    & skf21("4","7","3","7","4","4","3","1") = "6"
    & skf21("4","7","3","7","4","4","4","1") = "6"
    & skf21("4","7","3","7","4","4","5","1") = "6"
    & skf21("4","7","3","7","4","4","6","1") = "6"
    & skf21("4","7","3","7","4","4","7","1") = "6"
    & skf21("4","7","3","7","4","5","1","1") = "6"
    & skf21("4","7","3","7","4","5","2","1") = "6"
    & skf21("4","7","3","7","4","5","3","1") = "6"
    & skf21("4","7","3","7","4","5","4","1") = "6"
    & skf21("4","7","3","7","4","5","5","1") = "6"
    & skf21("4","7","3","7","4","5","6","1") = "6"
    & skf21("4","7","3","7","4","5","7","1") = "6"
    & skf21("4","7","3","7","4","6","1","1") = "6"
    & skf21("4","7","3","7","4","6","2","1") = "6"
    & skf21("4","7","3","7","4","6","3","1") = "6"
    & skf21("4","7","3","7","4","6","4","1") = "6"
    & skf21("4","7","3","7","4","6","5","1") = "6"
    & skf21("4","7","3","7","4","6","6","1") = "6"
    & skf21("4","7","3","7","4","6","7","1") = "6"
    & skf21("4","7","3","7","4","7","1","1") = "6"
    & skf21("4","7","3","7","4","7","2","1") = "6"
    & skf21("4","7","3","7","4","7","3","1") = "6"
    & skf21("4","7","3","7","4","7","4","1") = "6"
    & skf21("4","7","3","7","4","7","5","1") = "6"
    & skf21("4","7","3","7","4","7","6","1") = "6"
    & skf21("4","7","3","7","4","7","7","1") = "6"
    & skf21("4","7","3","7","5","1","1","1") = "6"
    & skf21("4","7","3","7","5","1","2","1") = "6"
    & skf21("4","7","3","7","5","1","3","1") = "6"
    & skf21("4","7","3","7","5","1","4","1") = "6"
    & skf21("4","7","3","7","5","1","5","1") = "6"
    & skf21("4","7","3","7","5","1","6","1") = "6"
    & skf21("4","7","3","7","5","1","7","1") = "6"
    & skf21("4","7","3","7","5","2","1","1") = "6"
    & skf21("4","7","3","7","5","2","2","1") = "6"
    & skf21("4","7","3","7","5","2","3","1") = "6"
    & skf21("4","7","3","7","5","2","4","1") = "6"
    & skf21("4","7","3","7","5","2","5","1") = "6"
    & skf21("4","7","3","7","5","2","6","1") = "6"
    & skf21("4","7","3","7","5","2","7","1") = "6"
    & skf21("4","7","3","7","5","3","1","1") = "6"
    & skf21("4","7","3","7","5","3","2","1") = "6"
    & skf21("4","7","3","7","5","3","3","1") = "6"
    & skf21("4","7","3","7","5","3","4","1") = "6"
    & skf21("4","7","3","7","5","3","5","1") = "6"
    & skf21("4","7","3","7","5","3","6","1") = "6"
    & skf21("4","7","3","7","5","3","7","1") = "6"
    & skf21("4","7","3","7","5","4","1","1") = "6"
    & skf21("4","7","3","7","5","4","2","1") = "6"
    & skf21("4","7","3","7","5","4","3","1") = "6"
    & skf21("4","7","3","7","5","4","4","1") = "6"
    & skf21("4","7","3","7","5","4","5","1") = "6"
    & skf21("4","7","3","7","5","4","6","1") = "6"
    & skf21("4","7","3","7","5","4","7","1") = "6"
    & skf21("4","7","3","7","5","5","1","1") = "6"
    & skf21("4","7","3","7","5","5","2","1") = "6"
    & skf21("4","7","3","7","5","5","3","1") = "6"
    & skf21("4","7","3","7","5","5","4","1") = "6"
    & skf21("4","7","3","7","5","5","5","1") = "6"
    & skf21("4","7","3","7","5","5","6","1") = "6"
    & skf21("4","7","3","7","5","5","7","1") = "6"
    & skf21("4","7","3","7","5","6","1","1") = "6"
    & skf21("4","7","3","7","5","6","2","1") = "6"
    & skf21("4","7","3","7","5","6","3","1") = "6"
    & skf21("4","7","3","7","5","6","4","1") = "6"
    & skf21("4","7","3","7","5","6","5","1") = "6"
    & skf21("4","7","3","7","5","6","6","1") = "6"
    & skf21("4","7","3","7","5","6","7","1") = "6"
    & skf21("4","7","3","7","5","7","1","1") = "6"
    & skf21("4","7","3","7","5","7","2","1") = "6"
    & skf21("4","7","3","7","5","7","3","1") = "6"
    & skf21("4","7","3","7","5","7","4","1") = "6"
    & skf21("4","7","3","7","5","7","5","1") = "6"
    & skf21("4","7","3","7","5","7","6","1") = "6"
    & skf21("4","7","3","7","5","7","7","1") = "6"
    & skf21("4","7","3","7","6","1","1","1") = "6"
    & skf21("4","7","3","7","6","1","2","1") = "6"
    & skf21("4","7","3","7","6","1","3","1") = "6"
    & skf21("4","7","3","7","6","1","4","1") = "6"
    & skf21("4","7","3","7","6","1","5","1") = "6"
    & skf21("4","7","3","7","6","1","6","1") = "6"
    & skf21("4","7","3","7","6","1","7","1") = "6"
    & skf21("4","7","3","7","6","2","1","1") = "6"
    & skf21("4","7","3","7","6","2","2","1") = "6"
    & skf21("4","7","3","7","6","2","3","1") = "6"
    & skf21("4","7","3","7","6","2","4","1") = "6"
    & skf21("4","7","3","7","6","2","5","1") = "6"
    & skf21("4","7","3","7","6","2","6","1") = "6"
    & skf21("4","7","3","7","6","2","7","1") = "6"
    & skf21("4","7","3","7","6","3","1","1") = "6"
    & skf21("4","7","3","7","6","3","2","1") = "6"
    & skf21("4","7","3","7","6","3","3","1") = "6"
    & skf21("4","7","3","7","6","3","4","1") = "6"
    & skf21("4","7","3","7","6","3","5","1") = "6"
    & skf21("4","7","3","7","6","3","6","1") = "6"
    & skf21("4","7","3","7","6","3","7","1") = "6"
    & skf21("4","7","3","7","6","4","1","1") = "6"
    & skf21("4","7","3","7","6","4","2","1") = "6"
    & skf21("4","7","3","7","6","4","3","1") = "6"
    & skf21("4","7","3","7","6","4","4","1") = "6"
    & skf21("4","7","3","7","6","4","5","1") = "6"
    & skf21("4","7","3","7","6","4","6","1") = "6"
    & skf21("4","7","3","7","6","4","7","1") = "6"
    & skf21("4","7","3","7","6","5","1","1") = "6"
    & skf21("4","7","3","7","6","5","2","1") = "6"
    & skf21("4","7","3","7","6","5","3","1") = "6"
    & skf21("4","7","3","7","6","5","4","1") = "6"
    & skf21("4","7","3","7","6","5","5","1") = "6"
    & skf21("4","7","3","7","6","5","6","1") = "6"
    & skf21("4","7","3","7","6","5","7","1") = "6"
    & skf21("4","7","3","7","6","6","1","1") = "6"
    & skf21("4","7","3","7","6","6","2","1") = "6"
    & skf21("4","7","3","7","6","6","3","1") = "6"
    & skf21("4","7","3","7","6","6","4","1") = "6"
    & skf21("4","7","3","7","6","6","5","1") = "6"
    & skf21("4","7","3","7","6","6","6","1") = "6"
    & skf21("4","7","3","7","6","6","7","1") = "6"
    & skf21("4","7","3","7","6","7","1","1") = "6"
    & skf21("4","7","3","7","6","7","2","1") = "6"
    & skf21("4","7","3","7","6","7","3","1") = "6"
    & skf21("4","7","3","7","6","7","4","1") = "6"
    & skf21("4","7","3","7","6","7","5","1") = "6"
    & skf21("4","7","3","7","6","7","6","1") = "6"
    & skf21("4","7","3","7","6","7","7","1") = "6"
    & skf21("4","7","3","7","7","1","1","1") = "6"
    & skf21("4","7","3","7","7","1","2","1") = "6"
    & skf21("4","7","3","7","7","1","3","1") = "6"
    & skf21("4","7","3","7","7","1","4","1") = "6"
    & skf21("4","7","3","7","7","1","5","1") = "6"
    & skf21("4","7","3","7","7","1","6","1") = "6"
    & skf21("4","7","3","7","7","1","7","1") = "6"
    & skf21("4","7","3","7","7","2","1","1") = "6"
    & skf21("4","7","3","7","7","2","2","1") = "6"
    & skf21("4","7","3","7","7","2","3","1") = "6"
    & skf21("4","7","3","7","7","2","4","1") = "6"
    & skf21("4","7","3","7","7","2","5","1") = "6"
    & skf21("4","7","3","7","7","2","6","1") = "6"
    & skf21("4","7","3","7","7","2","7","1") = "6"
    & skf21("4","7","3","7","7","3","1","1") = "6"
    & skf21("4","7","3","7","7","3","2","1") = "6"
    & skf21("4","7","3","7","7","3","3","1") = "6"
    & skf21("4","7","3","7","7","3","4","1") = "6"
    & skf21("4","7","3","7","7","3","5","1") = "6"
    & skf21("4","7","3","7","7","3","6","1") = "6"
    & skf21("4","7","3","7","7","3","7","1") = "6"
    & skf21("4","7","3","7","7","4","1","1") = "6"
    & skf21("4","7","3","7","7","4","2","1") = "6"
    & skf21("4","7","3","7","7","4","3","1") = "6"
    & skf21("4","7","3","7","7","4","4","1") = "6"
    & skf21("4","7","3","7","7","4","5","1") = "6"
    & skf21("4","7","3","7","7","4","6","1") = "6"
    & skf21("4","7","3","7","7","4","7","1") = "6"
    & skf21("4","7","3","7","7","5","1","1") = "6"
    & skf21("4","7","3","7","7","5","2","1") = "6"
    & skf21("4","7","3","7","7","5","3","1") = "6"
    & skf21("4","7","3","7","7","5","4","1") = "6"
    & skf21("4","7","3","7","7","5","5","1") = "6"
    & skf21("4","7","3","7","7","5","6","1") = "6"
    & skf21("4","7","3","7","7","5","7","1") = "6"
    & skf21("4","7","3","7","7","6","1","1") = "6"
    & skf21("4","7","3","7","7","6","2","1") = "6"
    & skf21("4","7","3","7","7","6","3","1") = "6"
    & skf21("4","7","3","7","7","6","4","1") = "6"
    & skf21("4","7","3","7","7","6","5","1") = "6"
    & skf21("4","7","3","7","7","6","6","1") = "6"
    & skf21("4","7","3","7","7","6","7","1") = "6"
    & skf21("4","7","3","7","7","7","1","1") = "6"
    & skf21("4","7","3","7","7","7","2","1") = "6"
    & skf21("4","7","3","7","7","7","3","1") = "6"
    & skf21("4","7","3","7","7","7","4","1") = "6"
    & skf21("4","7","3","7","7","7","5","1") = "6"
    & skf21("4","7","3","7","7","7","6","1") = "6"
    & skf21("4","7","3","7","7","7","7","1") = "6"
    & skf21("4","7","4","1","1","1","1","1") = "6"
    & skf21("4","7","4","1","1","1","2","1") = "6"
    & skf21("4","7","4","1","1","1","3","1") = "6"
    & skf21("4","7","4","1","1","1","4","1") = "6"
    & skf21("4","7","4","1","1","1","5","1") = "6"
    & skf21("4","7","4","1","1","1","6","1") = "6"
    & skf21("4","7","4","1","1","1","7","1") = "6"
    & skf21("4","7","4","1","1","2","1","1") = "6"
    & skf21("4","7","4","1","1","2","2","1") = "6"
    & skf21("4","7","4","1","1","2","3","1") = "6"
    & skf21("4","7","4","1","1","2","4","1") = "6"
    & skf21("4","7","4","1","1","2","5","1") = "6"
    & skf21("4","7","4","1","1","2","6","1") = "6"
    & skf21("4","7","4","1","1","2","7","1") = "6"
    & skf21("4","7","4","1","1","3","1","1") = "6"
    & skf21("4","7","4","1","1","3","2","1") = "6"
    & skf21("4","7","4","1","1","3","3","1") = "6"
    & skf21("4","7","4","1","1","3","4","1") = "6"
    & skf21("4","7","4","1","1","3","5","1") = "6"
    & skf21("4","7","4","1","1","3","6","1") = "6"
    & skf21("4","7","4","1","1","3","7","1") = "6"
    & skf21("4","7","4","1","1","4","1","1") = "6"
    & skf21("4","7","4","1","1","4","2","1") = "6"
    & skf21("4","7","4","1","1","4","3","1") = "6"
    & skf21("4","7","4","1","1","4","4","1") = "6"
    & skf21("4","7","4","1","1","4","5","1") = "6"
    & skf21("4","7","4","1","1","4","6","1") = "6"
    & skf21("4","7","4","1","1","4","7","1") = "6"
    & skf21("4","7","4","1","1","5","1","1") = "6"
    & skf21("4","7","4","1","1","5","2","1") = "6"
    & skf21("4","7","4","1","1","5","3","1") = "6"
    & skf21("4","7","4","1","1","5","4","1") = "6"
    & skf21("4","7","4","1","1","5","5","1") = "6"
    & skf21("4","7","4","1","1","5","6","1") = "6"
    & skf21("4","7","4","1","1","5","7","1") = "6"
    & skf21("4","7","4","1","1","6","1","1") = "6"
    & skf21("4","7","4","1","1","6","2","1") = "6"
    & skf21("4","7","4","1","1","6","3","1") = "6"
    & skf21("4","7","4","1","1","6","4","1") = "6"
    & skf21("4","7","4","1","1","6","5","1") = "6"
    & skf21("4","7","4","1","1","6","6","1") = "6"
    & skf21("4","7","4","1","1","6","7","1") = "6"
    & skf21("4","7","4","1","1","7","1","1") = "6"
    & skf21("4","7","4","1","1","7","2","1") = "6"
    & skf21("4","7","4","1","1","7","3","1") = "6"
    & skf21("4","7","4","1","1","7","4","1") = "6"
    & skf21("4","7","4","1","1","7","5","1") = "6"
    & skf21("4","7","4","1","1","7","6","1") = "6"
    & skf21("4","7","4","1","1","7","7","1") = "6"
    & skf21("4","7","4","1","2","1","1","1") = "6"
    & skf21("4","7","4","1","2","1","2","1") = "6"
    & skf21("4","7","4","1","2","1","3","1") = "6"
    & skf21("4","7","4","1","2","1","4","1") = "6"
    & skf21("4","7","4","1","2","1","5","1") = "6"
    & skf21("4","7","4","1","2","1","6","1") = "6"
    & skf21("4","7","4","1","2","1","7","1") = "6"
    & skf21("4","7","4","1","2","2","1","1") = "6"
    & skf21("4","7","4","1","2","2","2","1") = "6"
    & skf21("4","7","4","1","2","2","3","1") = "6"
    & skf21("4","7","4","1","2","2","4","1") = "6"
    & skf21("4","7","4","1","2","2","5","1") = "6"
    & skf21("4","7","4","1","2","2","6","1") = "6"
    & skf21("4","7","4","1","2","2","7","1") = "6"
    & skf21("4","7","4","1","2","3","1","1") = "6"
    & skf21("4","7","4","1","2","3","2","1") = "6"
    & skf21("4","7","4","1","2","3","3","1") = "6"
    & skf21("4","7","4","1","2","3","4","1") = "6"
    & skf21("4","7","4","1","2","3","5","1") = "6"
    & skf21("4","7","4","1","2","3","6","1") = "6"
    & skf21("4","7","4","1","2","3","7","1") = "6"
    & skf21("4","7","4","1","2","4","1","1") = "6"
    & skf21("4","7","4","1","2","4","2","1") = "6"
    & skf21("4","7","4","1","2","4","3","1") = "6"
    & skf21("4","7","4","1","2","4","4","1") = "6"
    & skf21("4","7","4","1","2","4","5","1") = "6"
    & skf21("4","7","4","1","2","4","6","1") = "6"
    & skf21("4","7","4","1","2","4","7","1") = "6"
    & skf21("4","7","4","1","2","5","1","1") = "6"
    & skf21("4","7","4","1","2","5","2","1") = "6"
    & skf21("4","7","4","1","2","5","3","1") = "6"
    & skf21("4","7","4","1","2","5","4","1") = "6"
    & skf21("4","7","4","1","2","5","5","1") = "6"
    & skf21("4","7","4","1","2","5","6","1") = "6"
    & skf21("4","7","4","1","2","5","7","1") = "6"
    & skf21("4","7","4","1","2","6","1","1") = "6"
    & skf21("4","7","4","1","2","6","2","1") = "6"
    & skf21("4","7","4","1","2","6","3","1") = "6"
    & skf21("4","7","4","1","2","6","4","1") = "6"
    & skf21("4","7","4","1","2","6","5","1") = "6"
    & skf21("4","7","4","1","2","6","6","1") = "6"
    & skf21("4","7","4","1","2","6","7","1") = "6"
    & skf21("4","7","4","1","2","7","1","1") = "6"
    & skf21("4","7","4","1","2","7","2","1") = "6"
    & skf21("4","7","4","1","2","7","3","1") = "6"
    & skf21("4","7","4","1","2","7","4","1") = "6"
    & skf21("4","7","4","1","2","7","5","1") = "6"
    & skf21("4","7","4","1","2","7","6","1") = "6"
    & skf21("4","7","4","1","2","7","7","1") = "6"
    & skf21("4","7","4","1","3","1","1","1") = "6"
    & skf21("4","7","4","1","3","1","2","1") = "6"
    & skf21("4","7","4","1","3","1","3","1") = "6"
    & skf21("4","7","4","1","3","1","4","1") = "6"
    & skf21("4","7","4","1","3","1","5","1") = "6"
    & skf21("4","7","4","1","3","1","6","1") = "6"
    & skf21("4","7","4","1","3","1","7","1") = "6"
    & skf21("4","7","4","1","3","2","1","1") = "6"
    & skf21("4","7","4","1","3","2","2","1") = "6"
    & skf21("4","7","4","1","3","2","3","1") = "6"
    & skf21("4","7","4","1","3","2","4","1") = "6"
    & skf21("4","7","4","1","3","2","5","1") = "6"
    & skf21("4","7","4","1","3","2","6","1") = "6"
    & skf21("4","7","4","1","3","2","7","1") = "6"
    & skf21("4","7","4","1","3","3","1","1") = "6"
    & skf21("4","7","4","1","3","3","2","1") = "6"
    & skf21("4","7","4","1","3","3","3","1") = "6"
    & skf21("4","7","4","1","3","3","4","1") = "6"
    & skf21("4","7","4","1","3","3","5","1") = "6"
    & skf21("4","7","4","1","3","3","6","1") = "6"
    & skf21("4","7","4","1","3","3","7","1") = "6"
    & skf21("4","7","4","1","3","4","1","1") = "6"
    & skf21("4","7","4","1","3","4","2","1") = "6"
    & skf21("4","7","4","1","3","4","3","1") = "6"
    & skf21("4","7","4","1","3","4","4","1") = "6"
    & skf21("4","7","4","1","3","4","5","1") = "6"
    & skf21("4","7","4","1","3","4","6","1") = "6"
    & skf21("4","7","4","1","3","4","7","1") = "6"
    & skf21("4","7","4","1","3","5","1","1") = "6"
    & skf21("4","7","4","1","3","5","2","1") = "6"
    & skf21("4","7","4","1","3","5","3","1") = "6"
    & skf21("4","7","4","1","3","5","4","1") = "6"
    & skf21("4","7","4","1","3","5","5","1") = "6"
    & skf21("4","7","4","1","3","5","6","1") = "6"
    & skf21("4","7","4","1","3","5","7","1") = "6"
    & skf21("4","7","4","1","3","6","1","1") = "6"
    & skf21("4","7","4","1","3","6","2","1") = "6"
    & skf21("4","7","4","1","3","6","3","1") = "6"
    & skf21("4","7","4","1","3","6","4","1") = "6"
    & skf21("4","7","4","1","3","6","5","1") = "6"
    & skf21("4","7","4","1","3","6","6","1") = "6"
    & skf21("4","7","4","1","3","6","7","1") = "6"
    & skf21("4","7","4","1","3","7","1","1") = "6"
    & skf21("4","7","4","1","3","7","2","1") = "6"
    & skf21("4","7","4","1","3","7","3","1") = "6"
    & skf21("4","7","4","1","3","7","4","1") = "6"
    & skf21("4","7","4","1","3","7","5","1") = "6"
    & skf21("4","7","4","1","3","7","6","1") = "6"
    & skf21("4","7","4","1","3","7","7","1") = "6"
    & skf21("4","7","4","1","4","1","1","1") = "6"
    & skf21("4","7","4","1","4","1","2","1") = "6"
    & skf21("4","7","4","1","4","1","3","1") = "6"
    & skf21("4","7","4","1","4","1","4","1") = "6"
    & skf21("4","7","4","1","4","1","5","1") = "6"
    & skf21("4","7","4","1","4","1","6","1") = "6"
    & skf21("4","7","4","1","4","1","7","1") = "6"
    & skf21("4","7","4","1","4","2","1","1") = "6"
    & skf21("4","7","4","1","4","2","2","1") = "6"
    & skf21("4","7","4","1","4","2","3","1") = "6"
    & skf21("4","7","4","1","4","2","4","1") = "6"
    & skf21("4","7","4","1","4","2","5","1") = "6"
    & skf21("4","7","4","1","4","2","6","1") = "6"
    & skf21("4","7","4","1","4","2","7","1") = "6"
    & skf21("4","7","4","1","4","3","1","1") = "6"
    & skf21("4","7","4","1","4","3","2","1") = "6"
    & skf21("4","7","4","1","4","3","3","1") = "6"
    & skf21("4","7","4","1","4","3","4","1") = "6"
    & skf21("4","7","4","1","4","3","5","1") = "6"
    & skf21("4","7","4","1","4","3","6","1") = "6"
    & skf21("4","7","4","1","4","3","7","1") = "6"
    & skf21("4","7","4","1","4","4","1","1") = "6"
    & skf21("4","7","4","1","4","4","2","1") = "6"
    & skf21("4","7","4","1","4","4","3","1") = "6"
    & skf21("4","7","4","1","4","4","4","1") = "6"
    & skf21("4","7","4","1","4","4","5","1") = "6"
    & skf21("4","7","4","1","4","4","6","1") = "6"
    & skf21("4","7","4","1","4","4","7","1") = "6"
    & skf21("4","7","4","1","4","5","1","1") = "6"
    & skf21("4","7","4","1","4","5","2","1") = "6"
    & skf21("4","7","4","1","4","5","3","1") = "6"
    & skf21("4","7","4","1","4","5","4","1") = "6"
    & skf21("4","7","4","1","4","5","5","1") = "6"
    & skf21("4","7","4","1","4","5","6","1") = "6"
    & skf21("4","7","4","1","4","5","7","1") = "6"
    & skf21("4","7","4","1","4","6","1","1") = "6"
    & skf21("4","7","4","1","4","6","2","1") = "6"
    & skf21("4","7","4","1","4","6","3","1") = "6"
    & skf21("4","7","4","1","4","6","4","1") = "6"
    & skf21("4","7","4","1","4","6","5","1") = "6"
    & skf21("4","7","4","1","4","6","6","1") = "6"
    & skf21("4","7","4","1","4","6","7","1") = "6"
    & skf21("4","7","4","1","4","7","1","1") = "6"
    & skf21("4","7","4","1","4","7","2","1") = "6"
    & skf21("4","7","4","1","4","7","3","1") = "6"
    & skf21("4","7","4","1","4","7","4","1") = "6"
    & skf21("4","7","4","1","4","7","5","1") = "6"
    & skf21("4","7","4","1","4","7","6","1") = "6"
    & skf21("4","7","4","1","4","7","7","1") = "6"
    & skf21("4","7","4","1","5","1","1","1") = "6"
    & skf21("4","7","4","1","5","1","2","1") = "6"
    & skf21("4","7","4","1","5","1","3","1") = "6"
    & skf21("4","7","4","1","5","1","4","1") = "6"
    & skf21("4","7","4","1","5","1","5","1") = "6"
    & skf21("4","7","4","1","5","1","6","1") = "6"
    & skf21("4","7","4","1","5","1","7","1") = "6"
    & skf21("4","7","4","1","5","2","1","1") = "6"
    & skf21("4","7","4","1","5","2","2","1") = "6"
    & skf21("4","7","4","1","5","2","3","1") = "6"
    & skf21("4","7","4","1","5","2","4","1") = "6"
    & skf21("4","7","4","1","5","2","5","1") = "6"
    & skf21("4","7","4","1","5","2","6","1") = "6"
    & skf21("4","7","4","1","5","2","7","1") = "6"
    & skf21("4","7","4","1","5","3","1","1") = "6"
    & skf21("4","7","4","1","5","3","2","1") = "6"
    & skf21("4","7","4","1","5","3","3","1") = "6"
    & skf21("4","7","4","1","5","3","4","1") = "6"
    & skf21("4","7","4","1","5","3","5","1") = "6"
    & skf21("4","7","4","1","5","3","6","1") = "6"
    & skf21("4","7","4","1","5","3","7","1") = "6"
    & skf21("4","7","4","1","5","4","1","1") = "6"
    & skf21("4","7","4","1","5","4","2","1") = "6"
    & skf21("4","7","4","1","5","4","3","1") = "6"
    & skf21("4","7","4","1","5","4","4","1") = "6"
    & skf21("4","7","4","1","5","4","5","1") = "6"
    & skf21("4","7","4","1","5","4","6","1") = "6"
    & skf21("4","7","4","1","5","4","7","1") = "6"
    & skf21("4","7","4","1","5","5","1","1") = "6"
    & skf21("4","7","4","1","5","5","2","1") = "6"
    & skf21("4","7","4","1","5","5","3","1") = "6"
    & skf21("4","7","4","1","5","5","4","1") = "6"
    & skf21("4","7","4","1","5","5","5","1") = "6"
    & skf21("4","7","4","1","5","5","6","1") = "6"
    & skf21("4","7","4","1","5","5","7","1") = "6"
    & skf21("4","7","4","1","5","6","1","1") = "6"
    & skf21("4","7","4","1","5","6","2","1") = "6"
    & skf21("4","7","4","1","5","6","3","1") = "6"
    & skf21("4","7","4","1","5","6","4","1") = "6"
    & skf21("4","7","4","1","5","6","5","1") = "6"
    & skf21("4","7","4","1","5","6","6","1") = "6"
    & skf21("4","7","4","1","5","6","7","1") = "6"
    & skf21("4","7","4","1","5","7","1","1") = "6"
    & skf21("4","7","4","1","5","7","2","1") = "6"
    & skf21("4","7","4","1","5","7","3","1") = "6"
    & skf21("4","7","4","1","5","7","4","1") = "6"
    & skf21("4","7","4","1","5","7","5","1") = "6"
    & skf21("4","7","4","1","5","7","6","1") = "6"
    & skf21("4","7","4","1","5","7","7","1") = "6"
    & skf21("4","7","4","1","6","1","1","1") = "6"
    & skf21("4","7","4","1","6","1","2","1") = "6"
    & skf21("4","7","4","1","6","1","3","1") = "6"
    & skf21("4","7","4","1","6","1","4","1") = "6"
    & skf21("4","7","4","1","6","1","5","1") = "6"
    & skf21("4","7","4","1","6","1","6","1") = "6"
    & skf21("4","7","4","1","6","1","7","1") = "6"
    & skf21("4","7","4","1","6","2","1","1") = "6"
    & skf21("4","7","4","1","6","2","2","1") = "6"
    & skf21("4","7","4","1","6","2","3","1") = "6"
    & skf21("4","7","4","1","6","2","4","1") = "6"
    & skf21("4","7","4","1","6","2","5","1") = "6"
    & skf21("4","7","4","1","6","2","6","1") = "6"
    & skf21("4","7","4","1","6","2","7","1") = "6"
    & skf21("4","7","4","1","6","3","1","1") = "6"
    & skf21("4","7","4","1","6","3","2","1") = "6"
    & skf21("4","7","4","1","6","3","3","1") = "6"
    & skf21("4","7","4","1","6","3","4","1") = "6"
    & skf21("4","7","4","1","6","3","5","1") = "6"
    & skf21("4","7","4","1","6","3","6","1") = "6"
    & skf21("4","7","4","1","6","3","7","1") = "6"
    & skf21("4","7","4","1","6","4","1","1") = "6"
    & skf21("4","7","4","1","6","4","2","1") = "6"
    & skf21("4","7","4","1","6","4","3","1") = "6"
    & skf21("4","7","4","1","6","4","4","1") = "6"
    & skf21("4","7","4","1","6","4","5","1") = "6"
    & skf21("4","7","4","1","6","4","6","1") = "6"
    & skf21("4","7","4","1","6","4","7","1") = "6"
    & skf21("4","7","4","1","6","5","1","1") = "6"
    & skf21("4","7","4","1","6","5","2","1") = "6"
    & skf21("4","7","4","1","6","5","3","1") = "6"
    & skf21("4","7","4","1","6","5","4","1") = "6"
    & skf21("4","7","4","1","6","5","5","1") = "6"
    & skf21("4","7","4","1","6","5","6","1") = "6"
    & skf21("4","7","4","1","6","5","7","1") = "6"
    & skf21("4","7","4","1","6","6","1","1") = "6"
    & skf21("4","7","4","1","6","6","2","1") = "6"
    & skf21("4","7","4","1","6","6","3","1") = "6"
    & skf21("4","7","4","1","6","6","4","1") = "6"
    & skf21("4","7","4","1","6","6","5","1") = "6"
    & skf21("4","7","4","1","6","6","6","1") = "6"
    & skf21("4","7","4","1","6","6","7","1") = "6"
    & skf21("4","7","4","1","6","7","1","1") = "6"
    & skf21("4","7","4","1","6","7","2","1") = "6"
    & skf21("4","7","4","1","6","7","3","1") = "6"
    & skf21("4","7","4","1","6","7","4","1") = "6"
    & skf21("4","7","4","1","6","7","5","1") = "6"
    & skf21("4","7","4","1","6","7","6","1") = "6"
    & skf21("4","7","4","1","6","7","7","1") = "6"
    & skf21("4","7","4","1","7","1","1","1") = "6"
    & skf21("4","7","4","1","7","1","2","1") = "6"
    & skf21("4","7","4","1","7","1","3","1") = "6"
    & skf21("4","7","4","1","7","1","4","1") = "6"
    & skf21("4","7","4","1","7","1","5","1") = "6"
    & skf21("4","7","4","1","7","1","6","1") = "6"
    & skf21("4","7","4","1","7","1","7","1") = "6"
    & skf21("4","7","4","1","7","2","1","1") = "6"
    & skf21("4","7","4","1","7","2","2","1") = "6"
    & skf21("4","7","4","1","7","2","3","1") = "6"
    & skf21("4","7","4","1","7","2","4","1") = "6"
    & skf21("4","7","4","1","7","2","5","1") = "6"
    & skf21("4","7","4","1","7","2","6","1") = "6"
    & skf21("4","7","4","1","7","2","7","1") = "6"
    & skf21("4","7","4","1","7","3","1","1") = "6"
    & skf21("4","7","4","1","7","3","2","1") = "6"
    & skf21("4","7","4","1","7","3","3","1") = "6"
    & skf21("4","7","4","1","7","3","4","1") = "6"
    & skf21("4","7","4","1","7","3","5","1") = "6"
    & skf21("4","7","4","1","7","3","6","1") = "6"
    & skf21("4","7","4","1","7","3","7","1") = "6"
    & skf21("4","7","4","1","7","4","1","1") = "6"
    & skf21("4","7","4","1","7","4","2","1") = "6"
    & skf21("4","7","4","1","7","4","3","1") = "6"
    & skf21("4","7","4","1","7","4","4","1") = "6"
    & skf21("4","7","4","1","7","4","5","1") = "6"
    & skf21("4","7","4","1","7","4","6","1") = "6"
    & skf21("4","7","4","1","7","4","7","1") = "6"
    & skf21("4","7","4","1","7","5","1","1") = "6"
    & skf21("4","7","4","1","7","5","2","1") = "6"
    & skf21("4","7","4","1","7","5","3","1") = "6"
    & skf21("4","7","4","1","7","5","4","1") = "6"
    & skf21("4","7","4","1","7","5","5","1") = "6"
    & skf21("4","7","4","1","7","5","6","1") = "6"
    & skf21("4","7","4","1","7","5","7","1") = "6"
    & skf21("4","7","4","1","7","6","1","1") = "6"
    & skf21("4","7","4","1","7","6","2","1") = "6"
    & skf21("4","7","4","1","7","6","3","1") = "6"
    & skf21("4","7","4","1","7","6","4","1") = "6"
    & skf21("4","7","4","1","7","6","5","1") = "6"
    & skf21("4","7","4","1","7","6","6","1") = "6"
    & skf21("4","7","4","1","7","6","7","1") = "6"
    & skf21("4","7","4","1","7","7","1","1") = "6"
    & skf21("4","7","4","1","7","7","2","1") = "6"
    & skf21("4","7","4","1","7","7","3","1") = "6"
    & skf21("4","7","4","1","7","7","4","1") = "6"
    & skf21("4","7","4","1","7","7","5","1") = "6"
    & skf21("4","7","4","1","7","7","6","1") = "6"
    & skf21("4","7","4","1","7","7","7","1") = "6"
    & skf21("4","7","4","2","1","1","1","1") = "6"
    & skf21("4","7","4","2","1","1","2","1") = "6"
    & skf21("4","7","4","2","1","1","3","1") = "6"
    & skf21("4","7","4","2","1","1","4","1") = "6"
    & skf21("4","7","4","2","1","1","5","1") = "6"
    & skf21("4","7","4","2","1","1","6","1") = "6"
    & skf21("4","7","4","2","1","1","7","1") = "6"
    & skf21("4","7","4","2","1","2","1","1") = "6"
    & skf21("4","7","4","2","1","2","2","1") = "6"
    & skf21("4","7","4","2","1","2","3","1") = "6"
    & skf21("4","7","4","2","1","2","4","1") = "6"
    & skf21("4","7","4","2","1","2","5","1") = "6"
    & skf21("4","7","4","2","1","2","6","1") = "6"
    & skf21("4","7","4","2","1","2","7","1") = "6"
    & skf21("4","7","4","2","1","3","1","1") = "6"
    & skf21("4","7","4","2","1","3","2","1") = "6"
    & skf21("4","7","4","2","1","3","3","1") = "6"
    & skf21("4","7","4","2","1","3","4","1") = "6"
    & skf21("4","7","4","2","1","3","5","1") = "6"
    & skf21("4","7","4","2","1","3","6","1") = "6"
    & skf21("4","7","4","2","1","3","7","1") = "6"
    & skf21("4","7","4","2","1","4","1","1") = "6"
    & skf21("4","7","4","2","1","4","2","1") = "6"
    & skf21("4","7","4","2","1","4","3","1") = "6"
    & skf21("4","7","4","2","1","4","4","1") = "6"
    & skf21("4","7","4","2","1","4","5","1") = "6"
    & skf21("4","7","4","2","1","4","6","1") = "6"
    & skf21("4","7","4","2","1","4","7","1") = "6"
    & skf21("4","7","4","2","1","5","1","1") = "6"
    & skf21("4","7","4","2","1","5","2","1") = "6"
    & skf21("4","7","4","2","1","5","3","1") = "6"
    & skf21("4","7","4","2","1","5","4","1") = "6"
    & skf21("4","7","4","2","1","5","5","1") = "6"
    & skf21("4","7","4","2","1","5","6","1") = "6"
    & skf21("4","7","4","2","1","5","7","1") = "6"
    & skf21("4","7","4","2","1","6","1","1") = "6"
    & skf21("4","7","4","2","1","6","2","1") = "6"
    & skf21("4","7","4","2","1","6","3","1") = "6"
    & skf21("4","7","4","2","1","6","4","1") = "6"
    & skf21("4","7","4","2","1","6","5","1") = "6"
    & skf21("4","7","4","2","1","6","6","1") = "6"
    & skf21("4","7","4","2","1","6","7","1") = "6"
    & skf21("4","7","4","2","1","7","1","1") = "6"
    & skf21("4","7","4","2","1","7","2","1") = "6"
    & skf21("4","7","4","2","1","7","3","1") = "6"
    & skf21("4","7","4","2","1","7","4","1") = "6"
    & skf21("4","7","4","2","1","7","5","1") = "6"
    & skf21("4","7","4","2","1","7","6","1") = "6"
    & skf21("4","7","4","2","1","7","7","1") = "6"
    & skf21("4","7","4","2","2","1","1","1") = "6"
    & skf21("4","7","4","2","2","1","2","1") = "6"
    & skf21("4","7","4","2","2","1","3","1") = "6"
    & skf21("4","7","4","2","2","1","4","1") = "6"
    & skf21("4","7","4","2","2","1","5","1") = "6"
    & skf21("4","7","4","2","2","1","6","1") = "6"
    & skf21("4","7","4","2","2","1","7","1") = "6"
    & skf21("4","7","4","2","2","2","1","1") = "6"
    & skf21("4","7","4","2","2","2","2","1") = "6"
    & skf21("4","7","4","2","2","2","3","1") = "6"
    & skf21("4","7","4","2","2","2","4","1") = "6"
    & skf21("4","7","4","2","2","2","5","1") = "6"
    & skf21("4","7","4","2","2","2","6","1") = "6"
    & skf21("4","7","4","2","2","2","7","1") = "6"
    & skf21("4","7","4","2","2","3","1","1") = "6"
    & skf21("4","7","4","2","2","3","2","1") = "6"
    & skf21("4","7","4","2","2","3","3","1") = "6"
    & skf21("4","7","4","2","2","3","4","1") = "6"
    & skf21("4","7","4","2","2","3","5","1") = "6"
    & skf21("4","7","4","2","2","3","6","1") = "6"
    & skf21("4","7","4","2","2","3","7","1") = "6"
    & skf21("4","7","4","2","2","4","1","1") = "6"
    & skf21("4","7","4","2","2","4","2","1") = "6"
    & skf21("4","7","4","2","2","4","3","1") = "6"
    & skf21("4","7","4","2","2","4","4","1") = "6"
    & skf21("4","7","4","2","2","4","5","1") = "6"
    & skf21("4","7","4","2","2","4","6","1") = "6"
    & skf21("4","7","4","2","2","4","7","1") = "6"
    & skf21("4","7","4","2","2","5","1","1") = "6"
    & skf21("4","7","4","2","2","5","2","1") = "6"
    & skf21("4","7","4","2","2","5","3","1") = "6"
    & skf21("4","7","4","2","2","5","4","1") = "6"
    & skf21("4","7","4","2","2","5","5","1") = "6"
    & skf21("4","7","4","2","2","5","6","1") = "6"
    & skf21("4","7","4","2","2","5","7","1") = "6"
    & skf21("4","7","4","2","2","6","1","1") = "6"
    & skf21("4","7","4","2","2","6","2","1") = "6"
    & skf21("4","7","4","2","2","6","3","1") = "6"
    & skf21("4","7","4","2","2","6","4","1") = "6"
    & skf21("4","7","4","2","2","6","5","1") = "6"
    & skf21("4","7","4","2","2","6","6","1") = "6"
    & skf21("4","7","4","2","2","6","7","1") = "6"
    & skf21("4","7","4","2","2","7","1","1") = "6"
    & skf21("4","7","4","2","2","7","2","1") = "6"
    & skf21("4","7","4","2","2","7","3","1") = "6"
    & skf21("4","7","4","2","2","7","4","1") = "6"
    & skf21("4","7","4","2","2","7","5","1") = "6"
    & skf21("4","7","4","2","2","7","6","1") = "6"
    & skf21("4","7","4","2","2","7","7","1") = "6"
    & skf21("4","7","4","2","3","1","1","1") = "6"
    & skf21("4","7","4","2","3","1","2","1") = "6"
    & skf21("4","7","4","2","3","1","3","1") = "6"
    & skf21("4","7","4","2","3","1","4","1") = "6"
    & skf21("4","7","4","2","3","1","5","1") = "6"
    & skf21("4","7","4","2","3","1","6","1") = "6"
    & skf21("4","7","4","2","3","1","7","1") = "6"
    & skf21("4","7","4","2","3","2","1","1") = "6"
    & skf21("4","7","4","2","3","2","2","1") = "6"
    & skf21("4","7","4","2","3","2","3","1") = "6"
    & skf21("4","7","4","2","3","2","4","1") = "6"
    & skf21("4","7","4","2","3","2","5","1") = "6"
    & skf21("4","7","4","2","3","2","6","1") = "6"
    & skf21("4","7","4","2","3","2","7","1") = "6"
    & skf21("4","7","4","2","3","3","1","1") = "6"
    & skf21("4","7","4","2","3","3","2","1") = "6"
    & skf21("4","7","4","2","3","3","3","1") = "6"
    & skf21("4","7","4","2","3","3","4","1") = "6"
    & skf21("4","7","4","2","3","3","5","1") = "6"
    & skf21("4","7","4","2","3","3","6","1") = "6"
    & skf21("4","7","4","2","3","3","7","1") = "6"
    & skf21("4","7","4","2","3","4","1","1") = "6"
    & skf21("4","7","4","2","3","4","2","1") = "6"
    & skf21("4","7","4","2","3","4","3","1") = "6"
    & skf21("4","7","4","2","3","4","4","1") = "6"
    & skf21("4","7","4","2","3","4","5","1") = "6"
    & skf21("4","7","4","2","3","4","6","1") = "6"
    & skf21("4","7","4","2","3","4","7","1") = "6"
    & skf21("4","7","4","2","3","5","1","1") = "6"
    & skf21("4","7","4","2","3","5","2","1") = "6"
    & skf21("4","7","4","2","3","5","3","1") = "6"
    & skf21("4","7","4","2","3","5","4","1") = "6"
    & skf21("4","7","4","2","3","5","5","1") = "6"
    & skf21("4","7","4","2","3","5","6","1") = "6"
    & skf21("4","7","4","2","3","5","7","1") = "6"
    & skf21("4","7","4","2","3","6","1","1") = "6"
    & skf21("4","7","4","2","3","6","2","1") = "6"
    & skf21("4","7","4","2","3","6","3","1") = "6"
    & skf21("4","7","4","2","3","6","4","1") = "6"
    & skf21("4","7","4","2","3","6","5","1") = "6"
    & skf21("4","7","4","2","3","6","6","1") = "6"
    & skf21("4","7","4","2","3","6","7","1") = "6"
    & skf21("4","7","4","2","3","7","1","1") = "6"
    & skf21("4","7","4","2","3","7","2","1") = "6"
    & skf21("4","7","4","2","3","7","3","1") = "6"
    & skf21("4","7","4","2","3","7","4","1") = "6"
    & skf21("4","7","4","2","3","7","5","1") = "6"
    & skf21("4","7","4","2","3","7","6","1") = "6"
    & skf21("4","7","4","2","3","7","7","1") = "6"
    & skf21("4","7","4","2","4","1","1","1") = "6"
    & skf21("4","7","4","2","4","1","2","1") = "6"
    & skf21("4","7","4","2","4","1","3","1") = "6"
    & skf21("4","7","4","2","4","1","4","1") = "6"
    & skf21("4","7","4","2","4","1","5","1") = "6"
    & skf21("4","7","4","2","4","1","6","1") = "6"
    & skf21("4","7","4","2","4","1","7","1") = "6"
    & skf21("4","7","4","2","4","2","1","1") = "6"
    & skf21("4","7","4","2","4","2","2","1") = "6"
    & skf21("4","7","4","2","4","2","3","1") = "6"
    & skf21("4","7","4","2","4","2","4","1") = "6"
    & skf21("4","7","4","2","4","2","5","1") = "6"
    & skf21("4","7","4","2","4","2","6","1") = "6"
    & skf21("4","7","4","2","4","2","7","1") = "6"
    & skf21("4","7","4","2","4","3","1","1") = "6"
    & skf21("4","7","4","2","4","3","2","1") = "6"
    & skf21("4","7","4","2","4","3","3","1") = "6"
    & skf21("4","7","4","2","4","3","4","1") = "6"
    & skf21("4","7","4","2","4","3","5","1") = "6"
    & skf21("4","7","4","2","4","3","6","1") = "6"
    & skf21("4","7","4","2","4","3","7","1") = "6"
    & skf21("4","7","4","2","4","4","1","1") = "6"
    & skf21("4","7","4","2","4","4","2","1") = "6"
    & skf21("4","7","4","2","4","4","3","1") = "6"
    & skf21("4","7","4","2","4","4","4","1") = "6"
    & skf21("4","7","4","2","4","4","5","1") = "6"
    & skf21("4","7","4","2","4","4","6","1") = "6"
    & skf21("4","7","4","2","4","4","7","1") = "6"
    & skf21("4","7","4","2","4","5","1","1") = "6"
    & skf21("4","7","4","2","4","5","2","1") = "6"
    & skf21("4","7","4","2","4","5","3","1") = "6"
    & skf21("4","7","4","2","4","5","4","1") = "6"
    & skf21("4","7","4","2","4","5","5","1") = "6"
    & skf21("4","7","4","2","4","5","6","1") = "6"
    & skf21("4","7","4","2","4","5","7","1") = "6"
    & skf21("4","7","4","2","4","6","1","1") = "6"
    & skf21("4","7","4","2","4","6","2","1") = "6"
    & skf21("4","7","4","2","4","6","3","1") = "6"
    & skf21("4","7","4","2","4","6","4","1") = "6"
    & skf21("4","7","4","2","4","6","5","1") = "6"
    & skf21("4","7","4","2","4","6","6","1") = "6"
    & skf21("4","7","4","2","4","6","7","1") = "6"
    & skf21("4","7","4","2","4","7","1","1") = "6"
    & skf21("4","7","4","2","4","7","2","1") = "6"
    & skf21("4","7","4","2","4","7","3","1") = "6"
    & skf21("4","7","4","2","4","7","4","1") = "6"
    & skf21("4","7","4","2","4","7","5","1") = "6"
    & skf21("4","7","4","2","4","7","6","1") = "6"
    & skf21("4","7","4","2","4","7","7","1") = "6"
    & skf21("4","7","4","2","5","1","1","1") = "6"
    & skf21("4","7","4","2","5","1","2","1") = "6"
    & skf21("4","7","4","2","5","1","3","1") = "6"
    & skf21("4","7","4","2","5","1","4","1") = "6"
    & skf21("4","7","4","2","5","1","5","1") = "6"
    & skf21("4","7","4","2","5","1","6","1") = "6"
    & skf21("4","7","4","2","5","1","7","1") = "6"
    & skf21("4","7","4","2","5","2","1","1") = "6"
    & skf21("4","7","4","2","5","2","2","1") = "6"
    & skf21("4","7","4","2","5","2","3","1") = "6"
    & skf21("4","7","4","2","5","2","4","1") = "6"
    & skf21("4","7","4","2","5","2","5","1") = "6"
    & skf21("4","7","4","2","5","2","6","1") = "6"
    & skf21("4","7","4","2","5","2","7","1") = "6"
    & skf21("4","7","4","2","5","3","1","1") = "6"
    & skf21("4","7","4","2","5","3","2","1") = "6"
    & skf21("4","7","4","2","5","3","3","1") = "6"
    & skf21("4","7","4","2","5","3","4","1") = "6"
    & skf21("4","7","4","2","5","3","5","1") = "6"
    & skf21("4","7","4","2","5","3","6","1") = "6"
    & skf21("4","7","4","2","5","3","7","1") = "6"
    & skf21("4","7","4","2","5","4","1","1") = "6"
    & skf21("4","7","4","2","5","4","2","1") = "6"
    & skf21("4","7","4","2","5","4","3","1") = "6"
    & skf21("4","7","4","2","5","4","4","1") = "6"
    & skf21("4","7","4","2","5","4","5","1") = "6"
    & skf21("4","7","4","2","5","4","6","1") = "6"
    & skf21("4","7","4","2","5","4","7","1") = "6"
    & skf21("4","7","4","2","5","5","1","1") = "6"
    & skf21("4","7","4","2","5","5","2","1") = "6"
    & skf21("4","7","4","2","5","5","3","1") = "6"
    & skf21("4","7","4","2","5","5","4","1") = "6"
    & skf21("4","7","4","2","5","5","5","1") = "6"
    & skf21("4","7","4","2","5","5","6","1") = "6"
    & skf21("4","7","4","2","5","5","7","1") = "6"
    & skf21("4","7","4","2","5","6","1","1") = "6"
    & skf21("4","7","4","2","5","6","2","1") = "6"
    & skf21("4","7","4","2","5","6","3","1") = "6"
    & skf21("4","7","4","2","5","6","4","1") = "6"
    & skf21("4","7","4","2","5","6","5","1") = "6"
    & skf21("4","7","4","2","5","6","6","1") = "6"
    & skf21("4","7","4","2","5","6","7","1") = "6"
    & skf21("4","7","4","2","5","7","1","1") = "6"
    & skf21("4","7","4","2","5","7","2","1") = "6"
    & skf21("4","7","4","2","5","7","3","1") = "6"
    & skf21("4","7","4","2","5","7","4","1") = "6"
    & skf21("4","7","4","2","5","7","5","1") = "6"
    & skf21("4","7","4","2","5","7","6","1") = "6"
    & skf21("4","7","4","2","5","7","7","1") = "6"
    & skf21("4","7","4","2","6","1","1","1") = "6"
    & skf21("4","7","4","2","6","1","2","1") = "6"
    & skf21("4","7","4","2","6","1","3","1") = "6"
    & skf21("4","7","4","2","6","1","4","1") = "6"
    & skf21("4","7","4","2","6","1","5","1") = "6"
    & skf21("4","7","4","2","6","1","6","1") = "6"
    & skf21("4","7","4","2","6","1","7","1") = "6"
    & skf21("4","7","4","2","6","2","1","1") = "6"
    & skf21("4","7","4","2","6","2","2","1") = "6"
    & skf21("4","7","4","2","6","2","3","1") = "6"
    & skf21("4","7","4","2","6","2","4","1") = "6"
    & skf21("4","7","4","2","6","2","5","1") = "6"
    & skf21("4","7","4","2","6","2","6","1") = "6"
    & skf21("4","7","4","2","6","2","7","1") = "6"
    & skf21("4","7","4","2","6","3","1","1") = "6"
    & skf21("4","7","4","2","6","3","2","1") = "6"
    & skf21("4","7","4","2","6","3","3","1") = "6"
    & skf21("4","7","4","2","6","3","4","1") = "6"
    & skf21("4","7","4","2","6","3","5","1") = "6"
    & skf21("4","7","4","2","6","3","6","1") = "6"
    & skf21("4","7","4","2","6","3","7","1") = "6"
    & skf21("4","7","4","2","6","4","1","1") = "6"
    & skf21("4","7","4","2","6","4","2","1") = "6"
    & skf21("4","7","4","2","6","4","3","1") = "6"
    & skf21("4","7","4","2","6","4","4","1") = "6"
    & skf21("4","7","4","2","6","4","5","1") = "6"
    & skf21("4","7","4","2","6","4","6","1") = "6"
    & skf21("4","7","4","2","6","4","7","1") = "6"
    & skf21("4","7","4","2","6","5","1","1") = "6"
    & skf21("4","7","4","2","6","5","2","1") = "6"
    & skf21("4","7","4","2","6","5","3","1") = "6"
    & skf21("4","7","4","2","6","5","4","1") = "6"
    & skf21("4","7","4","2","6","5","5","1") = "6"
    & skf21("4","7","4","2","6","5","6","1") = "6"
    & skf21("4","7","4","2","6","5","7","1") = "6"
    & skf21("4","7","4","2","6","6","1","1") = "6"
    & skf21("4","7","4","2","6","6","2","1") = "6"
    & skf21("4","7","4","2","6","6","3","1") = "6"
    & skf21("4","7","4","2","6","6","4","1") = "6"
    & skf21("4","7","4","2","6","6","5","1") = "6"
    & skf21("4","7","4","2","6","6","6","1") = "6"
    & skf21("4","7","4","2","6","6","7","1") = "6"
    & skf21("4","7","4","2","6","7","1","1") = "6"
    & skf21("4","7","4","2","6","7","2","1") = "6"
    & skf21("4","7","4","2","6","7","3","1") = "6"
    & skf21("4","7","4","2","6","7","4","1") = "6"
    & skf21("4","7","4","2","6","7","5","1") = "6"
    & skf21("4","7","4","2","6","7","6","1") = "6"
    & skf21("4","7","4","2","6","7","7","1") = "6"
    & skf21("4","7","4","2","7","1","1","1") = "6"
    & skf21("4","7","4","2","7","1","2","1") = "6"
    & skf21("4","7","4","2","7","1","3","1") = "6"
    & skf21("4","7","4","2","7","1","4","1") = "6"
    & skf21("4","7","4","2","7","1","5","1") = "6"
    & skf21("4","7","4","2","7","1","6","1") = "6"
    & skf21("4","7","4","2","7","1","7","1") = "6"
    & skf21("4","7","4","2","7","2","1","1") = "6"
    & skf21("4","7","4","2","7","2","2","1") = "6"
    & skf21("4","7","4","2","7","2","3","1") = "6"
    & skf21("4","7","4","2","7","2","4","1") = "6"
    & skf21("4","7","4","2","7","2","5","1") = "6"
    & skf21("4","7","4","2","7","2","6","1") = "6"
    & skf21("4","7","4","2","7","2","7","1") = "6"
    & skf21("4","7","4","2","7","3","1","1") = "6"
    & skf21("4","7","4","2","7","3","2","1") = "6"
    & skf21("4","7","4","2","7","3","3","1") = "6"
    & skf21("4","7","4","2","7","3","4","1") = "6"
    & skf21("4","7","4","2","7","3","5","1") = "6"
    & skf21("4","7","4","2","7","3","6","1") = "6"
    & skf21("4","7","4","2","7","3","7","1") = "6"
    & skf21("4","7","4","2","7","4","1","1") = "6"
    & skf21("4","7","4","2","7","4","2","1") = "6"
    & skf21("4","7","4","2","7","4","3","1") = "6"
    & skf21("4","7","4","2","7","4","4","1") = "6"
    & skf21("4","7","4","2","7","4","5","1") = "6"
    & skf21("4","7","4","2","7","4","6","1") = "6"
    & skf21("4","7","4","2","7","4","7","1") = "6"
    & skf21("4","7","4","2","7","5","1","1") = "6"
    & skf21("4","7","4","2","7","5","2","1") = "6"
    & skf21("4","7","4","2","7","5","3","1") = "6"
    & skf21("4","7","4","2","7","5","4","1") = "6"
    & skf21("4","7","4","2","7","5","5","1") = "6"
    & skf21("4","7","4","2","7","5","6","1") = "6"
    & skf21("4","7","4","2","7","5","7","1") = "6"
    & skf21("4","7","4","2","7","6","1","1") = "6"
    & skf21("4","7","4","2","7","6","2","1") = "6"
    & skf21("4","7","4","2","7","6","3","1") = "6"
    & skf21("4","7","4","2","7","6","4","1") = "6"
    & skf21("4","7","4","2","7","6","5","1") = "6"
    & skf21("4","7","4","2","7","6","6","1") = "6"
    & skf21("4","7","4","2","7","6","7","1") = "6"
    & skf21("4","7","4","2","7","7","1","1") = "6"
    & skf21("4","7","4","2","7","7","2","1") = "6"
    & skf21("4","7","4","2","7","7","3","1") = "6"
    & skf21("4","7","4","2","7","7","4","1") = "6"
    & skf21("4","7","4","2","7","7","5","1") = "6"
    & skf21("4","7","4","2","7","7","6","1") = "6"
    & skf21("4","7","4","2","7","7","7","1") = "6"
    & skf21("4","7","4","3","1","1","1","1") = "6"
    & skf21("4","7","4","3","1","1","2","1") = "6"
    & skf21("4","7","4","3","1","1","3","1") = "6"
    & skf21("4","7","4","3","1","1","4","1") = "6"
    & skf21("4","7","4","3","1","1","5","1") = "6"
    & skf21("4","7","4","3","1","1","6","1") = "6"
    & skf21("4","7","4","3","1","1","7","1") = "6"
    & skf21("4","7","4","3","1","2","1","1") = "6"
    & skf21("4","7","4","3","1","2","2","1") = "6"
    & skf21("4","7","4","3","1","2","3","1") = "6"
    & skf21("4","7","4","3","1","2","4","1") = "6"
    & skf21("4","7","4","3","1","2","5","1") = "6"
    & skf21("4","7","4","3","1","2","6","1") = "6"
    & skf21("4","7","4","3","1","2","7","1") = "6"
    & skf21("4","7","4","3","1","3","1","1") = "6"
    & skf21("4","7","4","3","1","3","2","1") = "6"
    & skf21("4","7","4","3","1","3","3","1") = "6"
    & skf21("4","7","4","3","1","3","4","1") = "6"
    & skf21("4","7","4","3","1","3","5","1") = "6"
    & skf21("4","7","4","3","1","3","6","1") = "6"
    & skf21("4","7","4","3","1","3","7","1") = "6"
    & skf21("4","7","4","3","1","4","1","1") = "6"
    & skf21("4","7","4","3","1","4","2","1") = "6"
    & skf21("4","7","4","3","1","4","3","1") = "6"
    & skf21("4","7","4","3","1","4","4","1") = "6"
    & skf21("4","7","4","3","1","4","5","1") = "6"
    & skf21("4","7","4","3","1","4","6","1") = "6"
    & skf21("4","7","4","3","1","4","7","1") = "6"
    & skf21("4","7","4","3","1","5","1","1") = "6"
    & skf21("4","7","4","3","1","5","2","1") = "6"
    & skf21("4","7","4","3","1","5","3","1") = "6"
    & skf21("4","7","4","3","1","5","4","1") = "6"
    & skf21("4","7","4","3","1","5","5","1") = "6"
    & skf21("4","7","4","3","1","5","6","1") = "6"
    & skf21("4","7","4","3","1","5","7","1") = "6"
    & skf21("4","7","4","3","1","6","1","1") = "6"
    & skf21("4","7","4","3","1","6","2","1") = "6"
    & skf21("4","7","4","3","1","6","3","1") = "6"
    & skf21("4","7","4","3","1","6","4","1") = "6"
    & skf21("4","7","4","3","1","6","5","1") = "6"
    & skf21("4","7","4","3","1","6","6","1") = "6"
    & skf21("4","7","4","3","1","6","7","1") = "6"
    & skf21("4","7","4","3","1","7","1","1") = "6"
    & skf21("4","7","4","3","1","7","2","1") = "6"
    & skf21("4","7","4","3","1","7","3","1") = "6"
    & skf21("4","7","4","3","1","7","4","1") = "6"
    & skf21("4","7","4","3","1","7","5","1") = "6"
    & skf21("4","7","4","3","1","7","6","1") = "6"
    & skf21("4","7","4","3","1","7","7","1") = "6"
    & skf21("4","7","4","3","2","1","1","1") = "6"
    & skf21("4","7","4","3","2","1","2","1") = "6"
    & skf21("4","7","4","3","2","1","3","1") = "6"
    & skf21("4","7","4","3","2","1","4","1") = "6"
    & skf21("4","7","4","3","2","1","5","1") = "6"
    & skf21("4","7","4","3","2","1","6","1") = "6"
    & skf21("4","7","4","3","2","1","7","1") = "6"
    & skf21("4","7","4","3","2","2","1","1") = "6"
    & skf21("4","7","4","3","2","2","2","1") = "6"
    & skf21("4","7","4","3","2","2","3","1") = "6"
    & skf21("4","7","4","3","2","2","4","1") = "6"
    & skf21("4","7","4","3","2","2","5","1") = "6"
    & skf21("4","7","4","3","2","2","6","1") = "6"
    & skf21("4","7","4","3","2","2","7","1") = "6"
    & skf21("4","7","4","3","2","3","1","1") = "6"
    & skf21("4","7","4","3","2","3","2","1") = "6"
    & skf21("4","7","4","3","2","3","3","1") = "6"
    & skf21("4","7","4","3","2","3","4","1") = "6"
    & skf21("4","7","4","3","2","3","5","1") = "6"
    & skf21("4","7","4","3","2","3","6","1") = "6"
    & skf21("4","7","4","3","2","3","7","1") = "6"
    & skf21("4","7","4","3","2","4","1","1") = "6"
    & skf21("4","7","4","3","2","4","2","1") = "6"
    & skf21("4","7","4","3","2","4","3","1") = "6"
    & skf21("4","7","4","3","2","4","4","1") = "6"
    & skf21("4","7","4","3","2","4","5","1") = "6"
    & skf21("4","7","4","3","2","4","6","1") = "6"
    & skf21("4","7","4","3","2","4","7","1") = "6"
    & skf21("4","7","4","3","2","5","1","1") = "6"
    & skf21("4","7","4","3","2","5","2","1") = "6"
    & skf21("4","7","4","3","2","5","3","1") = "6"
    & skf21("4","7","4","3","2","5","4","1") = "6"
    & skf21("4","7","4","3","2","5","5","1") = "6"
    & skf21("4","7","4","3","2","5","6","1") = "6"
    & skf21("4","7","4","3","2","5","7","1") = "6"
    & skf21("4","7","4","3","2","6","1","1") = "6"
    & skf21("4","7","4","3","2","6","2","1") = "6"
    & skf21("4","7","4","3","2","6","3","1") = "6"
    & skf21("4","7","4","3","2","6","4","1") = "6"
    & skf21("4","7","4","3","2","6","5","1") = "6"
    & skf21("4","7","4","3","2","6","6","1") = "6"
    & skf21("4","7","4","3","2","6","7","1") = "6"
    & skf21("4","7","4","3","2","7","1","1") = "6"
    & skf21("4","7","4","3","2","7","2","1") = "6"
    & skf21("4","7","4","3","2","7","3","1") = "6"
    & skf21("4","7","4","3","2","7","4","1") = "6"
    & skf21("4","7","4","3","2","7","5","1") = "6"
    & skf21("4","7","4","3","2","7","6","1") = "6"
    & skf21("4","7","4","3","2","7","7","1") = "6"
    & skf21("4","7","4","3","3","1","1","1") = "6"
    & skf21("4","7","4","3","3","1","2","1") = "6"
    & skf21("4","7","4","3","3","1","3","1") = "6"
    & skf21("4","7","4","3","3","1","4","1") = "6"
    & skf21("4","7","4","3","3","1","5","1") = "6"
    & skf21("4","7","4","3","3","1","6","1") = "6"
    & skf21("4","7","4","3","3","1","7","1") = "6"
    & skf21("4","7","4","3","3","2","1","1") = "6"
    & skf21("4","7","4","3","3","2","2","1") = "6"
    & skf21("4","7","4","3","3","2","3","1") = "6"
    & skf21("4","7","4","3","3","2","4","1") = "6"
    & skf21("4","7","4","3","3","2","5","1") = "6"
    & skf21("4","7","4","3","3","2","6","1") = "6"
    & skf21("4","7","4","3","3","2","7","1") = "6"
    & skf21("4","7","4","3","3","3","1","1") = "6"
    & skf21("4","7","4","3","3","3","2","1") = "6"
    & skf21("4","7","4","3","3","3","3","1") = "6"
    & skf21("4","7","4","3","3","3","4","1") = "6"
    & skf21("4","7","4","3","3","3","5","1") = "6"
    & skf21("4","7","4","3","3","3","6","1") = "6"
    & skf21("4","7","4","3","3","3","7","1") = "6"
    & skf21("4","7","4","3","3","4","1","1") = "6"
    & skf21("4","7","4","3","3","4","2","1") = "6"
    & skf21("4","7","4","3","3","4","3","1") = "6"
    & skf21("4","7","4","3","3","4","4","1") = "6"
    & skf21("4","7","4","3","3","4","5","1") = "6"
    & skf21("4","7","4","3","3","4","6","1") = "6"
    & skf21("4","7","4","3","3","4","7","1") = "6"
    & skf21("4","7","4","3","3","5","1","1") = "6"
    & skf21("4","7","4","3","3","5","2","1") = "6"
    & skf21("4","7","4","3","3","5","3","1") = "6"
    & skf21("4","7","4","3","3","5","4","1") = "6"
    & skf21("4","7","4","3","3","5","5","1") = "6"
    & skf21("4","7","4","3","3","5","6","1") = "6"
    & skf21("4","7","4","3","3","5","7","1") = "6"
    & skf21("4","7","4","3","3","6","1","1") = "6"
    & skf21("4","7","4","3","3","6","2","1") = "6"
    & skf21("4","7","4","3","3","6","3","1") = "6"
    & skf21("4","7","4","3","3","6","4","1") = "6"
    & skf21("4","7","4","3","3","6","5","1") = "6"
    & skf21("4","7","4","3","3","6","6","1") = "6"
    & skf21("4","7","4","3","3","6","7","1") = "6"
    & skf21("4","7","4","3","3","7","1","1") = "6"
    & skf21("4","7","4","3","3","7","2","1") = "6"
    & skf21("4","7","4","3","3","7","3","1") = "6"
    & skf21("4","7","4","3","3","7","4","1") = "6"
    & skf21("4","7","4","3","3","7","5","1") = "6"
    & skf21("4","7","4","3","3","7","6","1") = "6"
    & skf21("4","7","4","3","3","7","7","1") = "6"
    & skf21("4","7","4","3","4","1","1","1") = "6"
    & skf21("4","7","4","3","4","1","2","1") = "6"
    & skf21("4","7","4","3","4","1","3","1") = "6"
    & skf21("4","7","4","3","4","1","4","1") = "6"
    & skf21("4","7","4","3","4","1","5","1") = "6"
    & skf21("4","7","4","3","4","1","6","1") = "6"
    & skf21("4","7","4","3","4","1","7","1") = "6"
    & skf21("4","7","4","3","4","2","1","1") = "6"
    & skf21("4","7","4","3","4","2","2","1") = "6"
    & skf21("4","7","4","3","4","2","3","1") = "6"
    & skf21("4","7","4","3","4","2","4","1") = "6"
    & skf21("4","7","4","3","4","2","5","1") = "6"
    & skf21("4","7","4","3","4","2","6","1") = "6"
    & skf21("4","7","4","3","4","2","7","1") = "6"
    & skf21("4","7","4","3","4","3","1","1") = "6"
    & skf21("4","7","4","3","4","3","2","1") = "6"
    & skf21("4","7","4","3","4","3","3","1") = "6"
    & skf21("4","7","4","3","4","3","4","1") = "6"
    & skf21("4","7","4","3","4","3","5","1") = "6"
    & skf21("4","7","4","3","4","3","6","1") = "6"
    & skf21("4","7","4","3","4","3","7","1") = "6"
    & skf21("4","7","4","3","4","4","1","1") = "6"
    & skf21("4","7","4","3","4","4","2","1") = "6"
    & skf21("4","7","4","3","4","4","3","1") = "6"
    & skf21("4","7","4","3","4","4","4","1") = "6"
    & skf21("4","7","4","3","4","4","5","1") = "6"
    & skf21("4","7","4","3","4","4","6","1") = "6"
    & skf21("4","7","4","3","4","4","7","1") = "6"
    & skf21("4","7","4","3","4","5","1","1") = "6"
    & skf21("4","7","4","3","4","5","2","1") = "6"
    & skf21("4","7","4","3","4","5","3","1") = "6"
    & skf21("4","7","4","3","4","5","4","1") = "6"
    & skf21("4","7","4","3","4","5","5","1") = "6"
    & skf21("4","7","4","3","4","5","6","1") = "6"
    & skf21("4","7","4","3","4","5","7","1") = "6"
    & skf21("4","7","4","3","4","6","1","1") = "6"
    & skf21("4","7","4","3","4","6","2","1") = "6"
    & skf21("4","7","4","3","4","6","3","1") = "6"
    & skf21("4","7","4","3","4","6","4","1") = "6"
    & skf21("4","7","4","3","4","6","5","1") = "6"
    & skf21("4","7","4","3","4","6","6","1") = "6"
    & skf21("4","7","4","3","4","6","7","1") = "6"
    & skf21("4","7","4","3","4","7","1","1") = "6"
    & skf21("4","7","4","3","4","7","2","1") = "6"
    & skf21("4","7","4","3","4","7","3","1") = "6"
    & skf21("4","7","4","3","4","7","4","1") = "6"
    & skf21("4","7","4","3","4","7","5","1") = "6"
    & skf21("4","7","4","3","4","7","6","1") = "6"
    & skf21("4","7","4","3","4","7","7","1") = "6"
    & skf21("4","7","4","3","5","1","1","1") = "6"
    & skf21("4","7","4","3","5","1","2","1") = "6"
    & skf21("4","7","4","3","5","1","3","1") = "6"
    & skf21("4","7","4","3","5","1","4","1") = "6"
    & skf21("4","7","4","3","5","1","5","1") = "6"
    & skf21("4","7","4","3","5","1","6","1") = "6"
    & skf21("4","7","4","3","5","1","7","1") = "6"
    & skf21("4","7","4","3","5","2","1","1") = "6"
    & skf21("4","7","4","3","5","2","2","1") = "6"
    & skf21("4","7","4","3","5","2","3","1") = "6"
    & skf21("4","7","4","3","5","2","4","1") = "6"
    & skf21("4","7","4","3","5","2","5","1") = "6"
    & skf21("4","7","4","3","5","2","6","1") = "6"
    & skf21("4","7","4","3","5","2","7","1") = "6"
    & skf21("4","7","4","3","5","3","1","1") = "6"
    & skf21("4","7","4","3","5","3","2","1") = "6"
    & skf21("4","7","4","3","5","3","3","1") = "6"
    & skf21("4","7","4","3","5","3","4","1") = "6"
    & skf21("4","7","4","3","5","3","5","1") = "6"
    & skf21("4","7","4","3","5","3","6","1") = "6"
    & skf21("4","7","4","3","5","3","7","1") = "6"
    & skf21("4","7","4","3","5","4","1","1") = "6"
    & skf21("4","7","4","3","5","4","2","1") = "6"
    & skf21("4","7","4","3","5","4","3","1") = "6"
    & skf21("4","7","4","3","5","4","4","1") = "6"
    & skf21("4","7","4","3","5","4","5","1") = "6"
    & skf21("4","7","4","3","5","4","6","1") = "6"
    & skf21("4","7","4","3","5","4","7","1") = "6"
    & skf21("4","7","4","3","5","5","1","1") = "6"
    & skf21("4","7","4","3","5","5","2","1") = "6"
    & skf21("4","7","4","3","5","5","3","1") = "6"
    & skf21("4","7","4","3","5","5","4","1") = "6"
    & skf21("4","7","4","3","5","5","5","1") = "6"
    & skf21("4","7","4","3","5","5","6","1") = "6"
    & skf21("4","7","4","3","5","5","7","1") = "6"
    & skf21("4","7","4","3","5","6","1","1") = "6"
    & skf21("4","7","4","3","5","6","2","1") = "6"
    & skf21("4","7","4","3","5","6","3","1") = "6"
    & skf21("4","7","4","3","5","6","4","1") = "6"
    & skf21("4","7","4","3","5","6","5","1") = "6"
    & skf21("4","7","4","3","5","6","6","1") = "6"
    & skf21("4","7","4","3","5","6","7","1") = "6"
    & skf21("4","7","4","3","5","7","1","1") = "6"
    & skf21("4","7","4","3","5","7","2","1") = "6"
    & skf21("4","7","4","3","5","7","3","1") = "6"
    & skf21("4","7","4","3","5","7","4","1") = "6"
    & skf21("4","7","4","3","5","7","5","1") = "6"
    & skf21("4","7","4","3","5","7","6","1") = "6"
    & skf21("4","7","4","3","5","7","7","1") = "6"
    & skf21("4","7","4","3","6","1","1","1") = "6"
    & skf21("4","7","4","3","6","1","2","1") = "6"
    & skf21("4","7","4","3","6","1","3","1") = "6"
    & skf21("4","7","4","3","6","1","4","1") = "6"
    & skf21("4","7","4","3","6","1","5","1") = "6"
    & skf21("4","7","4","3","6","1","6","1") = "6"
    & skf21("4","7","4","3","6","1","7","1") = "6"
    & skf21("4","7","4","3","6","2","1","1") = "6"
    & skf21("4","7","4","3","6","2","2","1") = "6"
    & skf21("4","7","4","3","6","2","3","1") = "6"
    & skf21("4","7","4","3","6","2","4","1") = "6"
    & skf21("4","7","4","3","6","2","5","1") = "6"
    & skf21("4","7","4","3","6","2","6","1") = "6"
    & skf21("4","7","4","3","6","2","7","1") = "6"
    & skf21("4","7","4","3","6","3","1","1") = "6"
    & skf21("4","7","4","3","6","3","2","1") = "6"
    & skf21("4","7","4","3","6","3","3","1") = "6"
    & skf21("4","7","4","3","6","3","4","1") = "6"
    & skf21("4","7","4","3","6","3","5","1") = "6"
    & skf21("4","7","4","3","6","3","6","1") = "6"
    & skf21("4","7","4","3","6","3","7","1") = "6"
    & skf21("4","7","4","3","6","4","1","1") = "6"
    & skf21("4","7","4","3","6","4","2","1") = "6"
    & skf21("4","7","4","3","6","4","3","1") = "6"
    & skf21("4","7","4","3","6","4","4","1") = "6"
    & skf21("4","7","4","3","6","4","5","1") = "6"
    & skf21("4","7","4","3","6","4","6","1") = "6"
    & skf21("4","7","4","3","6","4","7","1") = "6"
    & skf21("4","7","4","3","6","5","1","1") = "6"
    & skf21("4","7","4","3","6","5","2","1") = "6"
    & skf21("4","7","4","3","6","5","3","1") = "6"
    & skf21("4","7","4","3","6","5","4","1") = "6"
    & skf21("4","7","4","3","6","5","5","1") = "6"
    & skf21("4","7","4","3","6","5","6","1") = "6"
    & skf21("4","7","4","3","6","5","7","1") = "6"
    & skf21("4","7","4","3","6","6","1","1") = "6"
    & skf21("4","7","4","3","6","6","2","1") = "6"
    & skf21("4","7","4","3","6","6","3","1") = "6"
    & skf21("4","7","4","3","6","6","4","1") = "6"
    & skf21("4","7","4","3","6","6","5","1") = "6"
    & skf21("4","7","4","3","6","6","6","1") = "6"
    & skf21("4","7","4","3","6","6","7","1") = "6"
    & skf21("4","7","4","3","6","7","1","1") = "6"
    & skf21("4","7","4","3","6","7","2","1") = "6"
    & skf21("4","7","4","3","6","7","3","1") = "6"
    & skf21("4","7","4","3","6","7","4","1") = "6"
    & skf21("4","7","4","3","6","7","5","1") = "6"
    & skf21("4","7","4","3","6","7","6","1") = "6"
    & skf21("4","7","4","3","6","7","7","1") = "6"
    & skf21("4","7","4","3","7","1","1","1") = "6"
    & skf21("4","7","4","3","7","1","2","1") = "6"
    & skf21("4","7","4","3","7","1","3","1") = "6"
    & skf21("4","7","4","3","7","1","4","1") = "6"
    & skf21("4","7","4","3","7","1","5","1") = "6"
    & skf21("4","7","4","3","7","1","6","1") = "6"
    & skf21("4","7","4","3","7","1","7","1") = "6"
    & skf21("4","7","4","3","7","2","1","1") = "6"
    & skf21("4","7","4","3","7","2","2","1") = "6"
    & skf21("4","7","4","3","7","2","3","1") = "6"
    & skf21("4","7","4","3","7","2","4","1") = "6"
    & skf21("4","7","4","3","7","2","5","1") = "6"
    & skf21("4","7","4","3","7","2","6","1") = "6"
    & skf21("4","7","4","3","7","2","7","1") = "6"
    & skf21("4","7","4","3","7","3","1","1") = "6"
    & skf21("4","7","4","3","7","3","2","1") = "6"
    & skf21("4","7","4","3","7","3","3","1") = "6"
    & skf21("4","7","4","3","7","3","4","1") = "6"
    & skf21("4","7","4","3","7","3","5","1") = "6"
    & skf21("4","7","4","3","7","3","6","1") = "6"
    & skf21("4","7","4","3","7","3","7","1") = "6"
    & skf21("4","7","4","3","7","4","1","1") = "6"
    & skf21("4","7","4","3","7","4","2","1") = "6"
    & skf21("4","7","4","3","7","4","3","1") = "6"
    & skf21("4","7","4","3","7","4","4","1") = "6"
    & skf21("4","7","4","3","7","4","5","1") = "6"
    & skf21("4","7","4","3","7","4","6","1") = "6"
    & skf21("4","7","4","3","7","4","7","1") = "6"
    & skf21("4","7","4","3","7","5","1","1") = "6"
    & skf21("4","7","4","3","7","5","2","1") = "6"
    & skf21("4","7","4","3","7","5","3","1") = "6"
    & skf21("4","7","4","3","7","5","4","1") = "6"
    & skf21("4","7","4","3","7","5","5","1") = "6"
    & skf21("4","7","4","3","7","5","6","1") = "6"
    & skf21("4","7","4","3","7","5","7","1") = "6"
    & skf21("4","7","4","3","7","6","1","1") = "6"
    & skf21("4","7","4","3","7","6","2","1") = "6"
    & skf21("4","7","4","3","7","6","3","1") = "6"
    & skf21("4","7","4","3","7","6","4","1") = "6"
    & skf21("4","7","4","3","7","6","5","1") = "6"
    & skf21("4","7","4","3","7","6","6","1") = "6"
    & skf21("4","7","4","3","7","6","7","1") = "6"
    & skf21("4","7","4","3","7","7","1","1") = "6"
    & skf21("4","7","4","3","7","7","2","1") = "6"
    & skf21("4","7","4","3","7","7","3","1") = "6"
    & skf21("4","7","4","3","7","7","4","1") = "6"
    & skf21("4","7","4","3","7","7","5","1") = "6"
    & skf21("4","7","4","3","7","7","6","1") = "6"
    & skf21("4","7","4","3","7","7","7","1") = "6"
    & skf21("4","7","4","4","1","1","1","1") = "6"
    & skf21("4","7","4","4","1","1","2","1") = "6"
    & skf21("4","7","4","4","1","1","3","1") = "6"
    & skf21("4","7","4","4","1","1","4","1") = "6"
    & skf21("4","7","4","4","1","1","5","1") = "6"
    & skf21("4","7","4","4","1","1","6","1") = "6"
    & skf21("4","7","4","4","1","1","7","1") = "6"
    & skf21("4","7","4","4","1","2","1","1") = "6"
    & skf21("4","7","4","4","1","2","2","1") = "6"
    & skf21("4","7","4","4","1","2","3","1") = "6"
    & skf21("4","7","4","4","1","2","4","1") = "6"
    & skf21("4","7","4","4","1","2","5","1") = "6"
    & skf21("4","7","4","4","1","2","6","1") = "6"
    & skf21("4","7","4","4","1","2","7","1") = "6"
    & skf21("4","7","4","4","1","3","1","1") = "6"
    & skf21("4","7","4","4","1","3","2","1") = "6"
    & skf21("4","7","4","4","1","3","3","1") = "6"
    & skf21("4","7","4","4","1","3","4","1") = "6"
    & skf21("4","7","4","4","1","3","5","1") = "6"
    & skf21("4","7","4","4","1","3","6","1") = "6"
    & skf21("4","7","4","4","1","3","7","1") = "6"
    & skf21("4","7","4","4","1","4","1","1") = "6"
    & skf21("4","7","4","4","1","4","2","1") = "6"
    & skf21("4","7","4","4","1","4","3","1") = "6"
    & skf21("4","7","4","4","1","4","4","1") = "6"
    & skf21("4","7","4","4","1","4","5","1") = "6"
    & skf21("4","7","4","4","1","4","6","1") = "6"
    & skf21("4","7","4","4","1","4","7","1") = "6"
    & skf21("4","7","4","4","1","5","1","1") = "6"
    & skf21("4","7","4","4","1","5","2","1") = "6"
    & skf21("4","7","4","4","1","5","3","1") = "6"
    & skf21("4","7","4","4","1","5","4","1") = "6"
    & skf21("4","7","4","4","1","5","5","1") = "6"
    & skf21("4","7","4","4","1","5","6","1") = "6"
    & skf21("4","7","4","4","1","5","7","1") = "6"
    & skf21("4","7","4","4","1","6","1","1") = "6"
    & skf21("4","7","4","4","1","6","2","1") = "6"
    & skf21("4","7","4","4","1","6","3","1") = "6"
    & skf21("4","7","4","4","1","6","4","1") = "6"
    & skf21("4","7","4","4","1","6","5","1") = "6"
    & skf21("4","7","4","4","1","6","6","1") = "6"
    & skf21("4","7","4","4","1","6","7","1") = "6"
    & skf21("4","7","4","4","1","7","1","1") = "6"
    & skf21("4","7","4","4","1","7","2","1") = "6"
    & skf21("4","7","4","4","1","7","3","1") = "6"
    & skf21("4","7","4","4","1","7","4","1") = "6"
    & skf21("4","7","4","4","1","7","5","1") = "6"
    & skf21("4","7","4","4","1","7","6","1") = "6"
    & skf21("4","7","4","4","1","7","7","1") = "6"
    & skf21("4","7","4","4","2","1","1","1") = "6"
    & skf21("4","7","4","4","2","1","2","1") = "6"
    & skf21("4","7","4","4","2","1","3","1") = "6"
    & skf21("4","7","4","4","2","1","4","1") = "6"
    & skf21("4","7","4","4","2","1","5","1") = "6"
    & skf21("4","7","4","4","2","1","6","1") = "6"
    & skf21("4","7","4","4","2","1","7","1") = "6"
    & skf21("4","7","4","4","2","2","1","1") = "6"
    & skf21("4","7","4","4","2","2","2","1") = "6"
    & skf21("4","7","4","4","2","2","3","1") = "6"
    & skf21("4","7","4","4","2","2","4","1") = "6"
    & skf21("4","7","4","4","2","2","5","1") = "6"
    & skf21("4","7","4","4","2","2","6","1") = "6"
    & skf21("4","7","4","4","2","2","7","1") = "6"
    & skf21("4","7","4","4","2","3","1","1") = "6"
    & skf21("4","7","4","4","2","3","2","1") = "6"
    & skf21("4","7","4","4","2","3","3","1") = "6"
    & skf21("4","7","4","4","2","3","4","1") = "6"
    & skf21("4","7","4","4","2","3","5","1") = "6"
    & skf21("4","7","4","4","2","3","6","1") = "6"
    & skf21("4","7","4","4","2","3","7","1") = "6"
    & skf21("4","7","4","4","2","4","1","1") = "6"
    & skf21("4","7","4","4","2","4","2","1") = "6"
    & skf21("4","7","4","4","2","4","3","1") = "6"
    & skf21("4","7","4","4","2","4","4","1") = "6"
    & skf21("4","7","4","4","2","4","5","1") = "6"
    & skf21("4","7","4","4","2","4","6","1") = "6"
    & skf21("4","7","4","4","2","4","7","1") = "6"
    & skf21("4","7","4","4","2","5","1","1") = "6"
    & skf21("4","7","4","4","2","5","2","1") = "6"
    & skf21("4","7","4","4","2","5","3","1") = "6"
    & skf21("4","7","4","4","2","5","4","1") = "6"
    & skf21("4","7","4","4","2","5","5","1") = "6"
    & skf21("4","7","4","4","2","5","6","1") = "6"
    & skf21("4","7","4","4","2","5","7","1") = "6"
    & skf21("4","7","4","4","2","6","1","1") = "6"
    & skf21("4","7","4","4","2","6","2","1") = "6"
    & skf21("4","7","4","4","2","6","3","1") = "6"
    & skf21("4","7","4","4","2","6","4","1") = "6"
    & skf21("4","7","4","4","2","6","5","1") = "6"
    & skf21("4","7","4","4","2","6","6","1") = "6"
    & skf21("4","7","4","4","2","6","7","1") = "6"
    & skf21("4","7","4","4","2","7","1","1") = "6"
    & skf21("4","7","4","4","2","7","2","1") = "6"
    & skf21("4","7","4","4","2","7","3","1") = "6"
    & skf21("4","7","4","4","2","7","4","1") = "6"
    & skf21("4","7","4","4","2","7","5","1") = "6"
    & skf21("4","7","4","4","2","7","6","1") = "6"
    & skf21("4","7","4","4","2","7","7","1") = "6"
    & skf21("4","7","4","4","3","1","1","1") = "6"
    & skf21("4","7","4","4","3","1","2","1") = "6"
    & skf21("4","7","4","4","3","1","3","1") = "6"
    & skf21("4","7","4","4","3","1","4","1") = "6"
    & skf21("4","7","4","4","3","1","5","1") = "6"
    & skf21("4","7","4","4","3","1","6","1") = "6"
    & skf21("4","7","4","4","3","1","7","1") = "6"
    & skf21("4","7","4","4","3","2","1","1") = "6"
    & skf21("4","7","4","4","3","2","2","1") = "6"
    & skf21("4","7","4","4","3","2","3","1") = "6"
    & skf21("4","7","4","4","3","2","4","1") = "6"
    & skf21("4","7","4","4","3","2","5","1") = "6"
    & skf21("4","7","4","4","3","2","6","1") = "6"
    & skf21("4","7","4","4","3","2","7","1") = "6"
    & skf21("4","7","4","4","3","3","1","1") = "6"
    & skf21("4","7","4","4","3","3","2","1") = "6"
    & skf21("4","7","4","4","3","3","3","1") = "6"
    & skf21("4","7","4","4","3","3","4","1") = "6"
    & skf21("4","7","4","4","3","3","5","1") = "6"
    & skf21("4","7","4","4","3","3","6","1") = "6"
    & skf21("4","7","4","4","3","3","7","1") = "6"
    & skf21("4","7","4","4","3","4","1","1") = "6"
    & skf21("4","7","4","4","3","4","2","1") = "6"
    & skf21("4","7","4","4","3","4","3","1") = "6"
    & skf21("4","7","4","4","3","4","4","1") = "6"
    & skf21("4","7","4","4","3","4","5","1") = "6"
    & skf21("4","7","4","4","3","4","6","1") = "6"
    & skf21("4","7","4","4","3","4","7","1") = "6"
    & skf21("4","7","4","4","3","5","1","1") = "6"
    & skf21("4","7","4","4","3","5","2","1") = "6"
    & skf21("4","7","4","4","3","5","3","1") = "6"
    & skf21("4","7","4","4","3","5","4","1") = "6"
    & skf21("4","7","4","4","3","5","5","1") = "6"
    & skf21("4","7","4","4","3","5","6","1") = "6"
    & skf21("4","7","4","4","3","5","7","1") = "6"
    & skf21("4","7","4","4","3","6","1","1") = "6"
    & skf21("4","7","4","4","3","6","2","1") = "6"
    & skf21("4","7","4","4","3","6","3","1") = "6"
    & skf21("4","7","4","4","3","6","4","1") = "6"
    & skf21("4","7","4","4","3","6","5","1") = "6"
    & skf21("4","7","4","4","3","6","6","1") = "6"
    & skf21("4","7","4","4","3","6","7","1") = "6"
    & skf21("4","7","4","4","3","7","1","1") = "6"
    & skf21("4","7","4","4","3","7","2","1") = "6"
    & skf21("4","7","4","4","3","7","3","1") = "6"
    & skf21("4","7","4","4","3","7","4","1") = "6"
    & skf21("4","7","4","4","3","7","5","1") = "6"
    & skf21("4","7","4","4","3","7","6","1") = "6"
    & skf21("4","7","4","4","3","7","7","1") = "6"
    & skf21("4","7","4","4","4","1","1","1") = "6"
    & skf21("4","7","4","4","4","1","2","1") = "6"
    & skf21("4","7","4","4","4","1","3","1") = "6"
    & skf21("4","7","4","4","4","1","4","1") = "6"
    & skf21("4","7","4","4","4","1","5","1") = "6"
    & skf21("4","7","4","4","4","1","6","1") = "6"
    & skf21("4","7","4","4","4","1","7","1") = "6"
    & skf21("4","7","4","4","4","2","1","1") = "6"
    & skf21("4","7","4","4","4","2","2","1") = "6"
    & skf21("4","7","4","4","4","2","3","1") = "6"
    & skf21("4","7","4","4","4","2","4","1") = "6"
    & skf21("4","7","4","4","4","2","5","1") = "6"
    & skf21("4","7","4","4","4","2","6","1") = "6"
    & skf21("4","7","4","4","4","2","7","1") = "6"
    & skf21("4","7","4","4","4","3","1","1") = "6"
    & skf21("4","7","4","4","4","3","2","1") = "6"
    & skf21("4","7","4","4","4","3","3","1") = "6"
    & skf21("4","7","4","4","4","3","4","1") = "6"
    & skf21("4","7","4","4","4","3","5","1") = "6"
    & skf21("4","7","4","4","4","3","6","1") = "6"
    & skf21("4","7","4","4","4","3","7","1") = "6"
    & skf21("4","7","4","4","4","4","1","1") = "6"
    & skf21("4","7","4","4","4","4","2","1") = "6"
    & skf21("4","7","4","4","4","4","3","1") = "6"
    & skf21("4","7","4","4","4","4","4","1") = "6"
    & skf21("4","7","4","4","4","4","5","1") = "6"
    & skf21("4","7","4","4","4","4","6","1") = "6"
    & skf21("4","7","4","4","4","4","7","1") = "6"
    & skf21("4","7","4","4","4","5","1","1") = "6"
    & skf21("4","7","4","4","4","5","2","1") = "6"
    & skf21("4","7","4","4","4","5","3","1") = "6"
    & skf21("4","7","4","4","4","5","4","1") = "6"
    & skf21("4","7","4","4","4","5","5","1") = "6"
    & skf21("4","7","4","4","4","5","6","1") = "6"
    & skf21("4","7","4","4","4","5","7","1") = "6"
    & skf21("4","7","4","4","4","6","1","1") = "6"
    & skf21("4","7","4","4","4","6","2","1") = "6"
    & skf21("4","7","4","4","4","6","3","1") = "6"
    & skf21("4","7","4","4","4","6","4","1") = "6"
    & skf21("4","7","4","4","4","6","5","1") = "6"
    & skf21("4","7","4","4","4","6","6","1") = "6"
    & skf21("4","7","4","4","4","6","7","1") = "6"
    & skf21("4","7","4","4","4","7","1","1") = "6"
    & skf21("4","7","4","4","4","7","2","1") = "6"
    & skf21("4","7","4","4","4","7","3","1") = "6"
    & skf21("4","7","4","4","4","7","4","1") = "6"
    & skf21("4","7","4","4","4","7","5","1") = "6"
    & skf21("4","7","4","4","4","7","6","1") = "6"
    & skf21("4","7","4","4","4","7","7","1") = "6"
    & skf21("4","7","4","4","5","1","1","1") = "6"
    & skf21("4","7","4","4","5","1","2","1") = "6"
    & skf21("4","7","4","4","5","1","3","1") = "6"
    & skf21("4","7","4","4","5","1","4","1") = "6"
    & skf21("4","7","4","4","5","1","5","1") = "6"
    & skf21("4","7","4","4","5","1","6","1") = "6"
    & skf21("4","7","4","4","5","1","7","1") = "6"
    & skf21("4","7","4","4","5","2","1","1") = "6"
    & skf21("4","7","4","4","5","2","2","1") = "6"
    & skf21("4","7","4","4","5","2","3","1") = "6"
    & skf21("4","7","4","4","5","2","4","1") = "6"
    & skf21("4","7","4","4","5","2","5","1") = "6"
    & skf21("4","7","4","4","5","2","6","1") = "6"
    & skf21("4","7","4","4","5","2","7","1") = "6"
    & skf21("4","7","4","4","5","3","1","1") = "6"
    & skf21("4","7","4","4","5","3","2","1") = "6"
    & skf21("4","7","4","4","5","3","3","1") = "6"
    & skf21("4","7","4","4","5","3","4","1") = "6"
    & skf21("4","7","4","4","5","3","5","1") = "6"
    & skf21("4","7","4","4","5","3","6","1") = "6"
    & skf21("4","7","4","4","5","3","7","1") = "6"
    & skf21("4","7","4","4","5","4","1","1") = "6"
    & skf21("4","7","4","4","5","4","2","1") = "6"
    & skf21("4","7","4","4","5","4","3","1") = "6"
    & skf21("4","7","4","4","5","4","4","1") = "6"
    & skf21("4","7","4","4","5","4","5","1") = "6"
    & skf21("4","7","4","4","5","4","6","1") = "6"
    & skf21("4","7","4","4","5","4","7","1") = "6"
    & skf21("4","7","4","4","5","5","1","1") = "6"
    & skf21("4","7","4","4","5","5","2","1") = "6"
    & skf21("4","7","4","4","5","5","3","1") = "6"
    & skf21("4","7","4","4","5","5","4","1") = "6"
    & skf21("4","7","4","4","5","5","5","1") = "6"
    & skf21("4","7","4","4","5","5","6","1") = "6"
    & skf21("4","7","4","4","5","5","7","1") = "6"
    & skf21("4","7","4","4","5","6","1","1") = "6"
    & skf21("4","7","4","4","5","6","2","1") = "6"
    & skf21("4","7","4","4","5","6","3","1") = "6"
    & skf21("4","7","4","4","5","6","4","1") = "6"
    & skf21("4","7","4","4","5","6","5","1") = "6"
    & skf21("4","7","4","4","5","6","6","1") = "6"
    & skf21("4","7","4","4","5","6","7","1") = "6"
    & skf21("4","7","4","4","5","7","1","1") = "6"
    & skf21("4","7","4","4","5","7","2","1") = "6"
    & skf21("4","7","4","4","5","7","3","1") = "6"
    & skf21("4","7","4","4","5","7","4","1") = "6"
    & skf21("4","7","4","4","5","7","5","1") = "6"
    & skf21("4","7","4","4","5","7","6","1") = "6"
    & skf21("4","7","4","4","5","7","7","1") = "6"
    & skf21("4","7","4","4","6","1","1","1") = "6"
    & skf21("4","7","4","4","6","1","2","1") = "6"
    & skf21("4","7","4","4","6","1","3","1") = "6"
    & skf21("4","7","4","4","6","1","4","1") = "6"
    & skf21("4","7","4","4","6","1","5","1") = "6"
    & skf21("4","7","4","4","6","1","6","1") = "6"
    & skf21("4","7","4","4","6","1","7","1") = "6"
    & skf21("4","7","4","4","6","2","1","1") = "6"
    & skf21("4","7","4","4","6","2","2","1") = "6"
    & skf21("4","7","4","4","6","2","3","1") = "6"
    & skf21("4","7","4","4","6","2","4","1") = "6"
    & skf21("4","7","4","4","6","2","5","1") = "6"
    & skf21("4","7","4","4","6","2","6","1") = "6"
    & skf21("4","7","4","4","6","2","7","1") = "6"
    & skf21("4","7","4","4","6","3","1","1") = "6"
    & skf21("4","7","4","4","6","3","2","1") = "6"
    & skf21("4","7","4","4","6","3","3","1") = "6"
    & skf21("4","7","4","4","6","3","4","1") = "6"
    & skf21("4","7","4","4","6","3","5","1") = "6"
    & skf21("4","7","4","4","6","3","6","1") = "6"
    & skf21("4","7","4","4","6","3","7","1") = "6"
    & skf21("4","7","4","4","6","4","1","1") = "6"
    & skf21("4","7","4","4","6","4","2","1") = "6"
    & skf21("4","7","4","4","6","4","3","1") = "6"
    & skf21("4","7","4","4","6","4","4","1") = "6"
    & skf21("4","7","4","4","6","4","5","1") = "6"
    & skf21("4","7","4","4","6","4","6","1") = "6"
    & skf21("4","7","4","4","6","4","7","1") = "6"
    & skf21("4","7","4","4","6","5","1","1") = "6"
    & skf21("4","7","4","4","6","5","2","1") = "6"
    & skf21("4","7","4","4","6","5","3","1") = "6"
    & skf21("4","7","4","4","6","5","4","1") = "6"
    & skf21("4","7","4","4","6","5","5","1") = "6"
    & skf21("4","7","4","4","6","5","6","1") = "6"
    & skf21("4","7","4","4","6","5","7","1") = "6"
    & skf21("4","7","4","4","6","6","1","1") = "6"
    & skf21("4","7","4","4","6","6","2","1") = "6"
    & skf21("4","7","4","4","6","6","3","1") = "6"
    & skf21("4","7","4","4","6","6","4","1") = "6"
    & skf21("4","7","4","4","6","6","5","1") = "6"
    & skf21("4","7","4","4","6","6","6","1") = "6"
    & skf21("4","7","4","4","6","6","7","1") = "6"
    & skf21("4","7","4","4","6","7","1","1") = "6"
    & skf21("4","7","4","4","6","7","2","1") = "6"
    & skf21("4","7","4","4","6","7","3","1") = "6"
    & skf21("4","7","4","4","6","7","4","1") = "6"
    & skf21("4","7","4","4","6","7","5","1") = "6"
    & skf21("4","7","4","4","6","7","6","1") = "6"
    & skf21("4","7","4","4","6","7","7","1") = "6"
    & skf21("4","7","4","4","7","1","1","1") = "6"
    & skf21("4","7","4","4","7","1","2","1") = "6"
    & skf21("4","7","4","4","7","1","3","1") = "6"
    & skf21("4","7","4","4","7","1","4","1") = "6"
    & skf21("4","7","4","4","7","1","5","1") = "6"
    & skf21("4","7","4","4","7","1","6","1") = "6"
    & skf21("4","7","4","4","7","1","7","1") = "6"
    & skf21("4","7","4","4","7","2","1","1") = "6"
    & skf21("4","7","4","4","7","2","2","1") = "6"
    & skf21("4","7","4","4","7","2","3","1") = "6"
    & skf21("4","7","4","4","7","2","4","1") = "6"
    & skf21("4","7","4","4","7","2","5","1") = "6"
    & skf21("4","7","4","4","7","2","6","1") = "6"
    & skf21("4","7","4","4","7","2","7","1") = "6"
    & skf21("4","7","4","4","7","3","1","1") = "6"
    & skf21("4","7","4","4","7","3","2","1") = "6"
    & skf21("4","7","4","4","7","3","3","1") = "6"
    & skf21("4","7","4","4","7","3","4","1") = "6"
    & skf21("4","7","4","4","7","3","5","1") = "6"
    & skf21("4","7","4","4","7","3","6","1") = "6"
    & skf21("4","7","4","4","7","3","7","1") = "6"
    & skf21("4","7","4","4","7","4","1","1") = "6"
    & skf21("4","7","4","4","7","4","2","1") = "6"
    & skf21("4","7","4","4","7","4","3","1") = "6"
    & skf21("4","7","4","4","7","4","4","1") = "6"
    & skf21("4","7","4","4","7","4","5","1") = "6"
    & skf21("4","7","4","4","7","4","6","1") = "6"
    & skf21("4","7","4","4","7","4","7","1") = "6"
    & skf21("4","7","4","4","7","5","1","1") = "6"
    & skf21("4","7","4","4","7","5","2","1") = "6"
    & skf21("4","7","4","4","7","5","3","1") = "6"
    & skf21("4","7","4","4","7","5","4","1") = "6"
    & skf21("4","7","4","4","7","5","5","1") = "6"
    & skf21("4","7","4","4","7","5","6","1") = "6"
    & skf21("4","7","4","4","7","5","7","1") = "6"
    & skf21("4","7","4","4","7","6","1","1") = "6"
    & skf21("4","7","4","4","7","6","2","1") = "6"
    & skf21("4","7","4","4","7","6","3","1") = "6"
    & skf21("4","7","4","4","7","6","4","1") = "6"
    & skf21("4","7","4","4","7","6","5","1") = "6"
    & skf21("4","7","4","4","7","6","6","1") = "6"
    & skf21("4","7","4","4","7","6","7","1") = "6"
    & skf21("4","7","4","4","7","7","1","1") = "6"
    & skf21("4","7","4","4","7","7","2","1") = "6"
    & skf21("4","7","4","4","7","7","3","1") = "6"
    & skf21("4","7","4","4","7","7","4","1") = "6"
    & skf21("4","7","4","4","7","7","5","1") = "6"
    & skf21("4","7","4","4","7","7","6","1") = "6"
    & skf21("4","7","4","4","7","7","7","1") = "6"
    & skf21("4","7","4","5","1","1","1","1") = "6"
    & skf21("4","7","4","5","1","1","2","1") = "6"
    & skf21("4","7","4","5","1","1","3","1") = "6"
    & skf21("4","7","4","5","1","1","4","1") = "6"
    & skf21("4","7","4","5","1","1","5","1") = "6"
    & skf21("4","7","4","5","1","1","6","1") = "6"
    & skf21("4","7","4","5","1","1","7","1") = "6"
    & skf21("4","7","4","5","1","2","1","1") = "6"
    & skf21("4","7","4","5","1","2","2","1") = "6"
    & skf21("4","7","4","5","1","2","3","1") = "6"
    & skf21("4","7","4","5","1","2","4","1") = "6"
    & skf21("4","7","4","5","1","2","5","1") = "6"
    & skf21("4","7","4","5","1","2","6","1") = "6"
    & skf21("4","7","4","5","1","2","7","1") = "6"
    & skf21("4","7","4","5","1","3","1","1") = "6"
    & skf21("4","7","4","5","1","3","2","1") = "6"
    & skf21("4","7","4","5","1","3","3","1") = "6"
    & skf21("4","7","4","5","1","3","4","1") = "6"
    & skf21("4","7","4","5","1","3","5","1") = "6"
    & skf21("4","7","4","5","1","3","6","1") = "6"
    & skf21("4","7","4","5","1","3","7","1") = "6"
    & skf21("4","7","4","5","1","4","1","1") = "6"
    & skf21("4","7","4","5","1","4","2","1") = "6"
    & skf21("4","7","4","5","1","4","3","1") = "6"
    & skf21("4","7","4","5","1","4","4","1") = "6"
    & skf21("4","7","4","5","1","4","5","1") = "6"
    & skf21("4","7","4","5","1","4","6","1") = "6"
    & skf21("4","7","4","5","1","4","7","1") = "6"
    & skf21("4","7","4","5","1","5","1","1") = "6"
    & skf21("4","7","4","5","1","5","2","1") = "6"
    & skf21("4","7","4","5","1","5","3","1") = "6"
    & skf21("4","7","4","5","1","5","4","1") = "6"
    & skf21("4","7","4","5","1","5","5","1") = "6"
    & skf21("4","7","4","5","1","5","6","1") = "6"
    & skf21("4","7","4","5","1","5","7","1") = "6"
    & skf21("4","7","4","5","1","6","1","1") = "6"
    & skf21("4","7","4","5","1","6","2","1") = "6"
    & skf21("4","7","4","5","1","6","3","1") = "6"
    & skf21("4","7","4","5","1","6","4","1") = "6"
    & skf21("4","7","4","5","1","6","5","1") = "6"
    & skf21("4","7","4","5","1","6","6","1") = "6"
    & skf21("4","7","4","5","1","6","7","1") = "6"
    & skf21("4","7","4","5","1","7","1","1") = "6"
    & skf21("4","7","4","5","1","7","2","1") = "6"
    & skf21("4","7","4","5","1","7","3","1") = "6"
    & skf21("4","7","4","5","1","7","4","1") = "6"
    & skf21("4","7","4","5","1","7","5","1") = "6"
    & skf21("4","7","4","5","1","7","6","1") = "6"
    & skf21("4","7","4","5","1","7","7","1") = "6"
    & skf21("4","7","4","5","2","1","1","1") = "6"
    & skf21("4","7","4","5","2","1","2","1") = "6"
    & skf21("4","7","4","5","2","1","3","1") = "6"
    & skf21("4","7","4","5","2","1","4","1") = "6"
    & skf21("4","7","4","5","2","1","5","1") = "6"
    & skf21("4","7","4","5","2","1","6","1") = "6"
    & skf21("4","7","4","5","2","1","7","1") = "6"
    & skf21("4","7","4","5","2","2","1","1") = "6"
    & skf21("4","7","4","5","2","2","2","1") = "6"
    & skf21("4","7","4","5","2","2","3","1") = "6"
    & skf21("4","7","4","5","2","2","4","1") = "6"
    & skf21("4","7","4","5","2","2","5","1") = "6"
    & skf21("4","7","4","5","2","2","6","1") = "6"
    & skf21("4","7","4","5","2","2","7","1") = "6"
    & skf21("4","7","4","5","2","3","1","1") = "6"
    & skf21("4","7","4","5","2","3","2","1") = "6"
    & skf21("4","7","4","5","2","3","3","1") = "6"
    & skf21("4","7","4","5","2","3","4","1") = "6"
    & skf21("4","7","4","5","2","3","5","1") = "6"
    & skf21("4","7","4","5","2","3","6","1") = "6"
    & skf21("4","7","4","5","2","3","7","1") = "6"
    & skf21("4","7","4","5","2","4","1","1") = "6"
    & skf21("4","7","4","5","2","4","2","1") = "6"
    & skf21("4","7","4","5","2","4","3","1") = "6"
    & skf21("4","7","4","5","2","4","4","1") = "6"
    & skf21("4","7","4","5","2","4","5","1") = "6"
    & skf21("4","7","4","5","2","4","6","1") = "6"
    & skf21("4","7","4","5","2","4","7","1") = "6"
    & skf21("4","7","4","5","2","5","1","1") = "6"
    & skf21("4","7","4","5","2","5","2","1") = "6"
    & skf21("4","7","4","5","2","5","3","1") = "6"
    & skf21("4","7","4","5","2","5","4","1") = "6"
    & skf21("4","7","4","5","2","5","5","1") = "6"
    & skf21("4","7","4","5","2","5","6","1") = "6"
    & skf21("4","7","4","5","2","5","7","1") = "6"
    & skf21("4","7","4","5","2","6","1","1") = "6"
    & skf21("4","7","4","5","2","6","2","1") = "6"
    & skf21("4","7","4","5","2","6","3","1") = "6"
    & skf21("4","7","4","5","2","6","4","1") = "6"
    & skf21("4","7","4","5","2","6","5","1") = "6"
    & skf21("4","7","4","5","2","6","6","1") = "6"
    & skf21("4","7","4","5","2","6","7","1") = "6"
    & skf21("4","7","4","5","2","7","1","1") = "6"
    & skf21("4","7","4","5","2","7","2","1") = "6"
    & skf21("4","7","4","5","2","7","3","1") = "6"
    & skf21("4","7","4","5","2","7","4","1") = "6"
    & skf21("4","7","4","5","2","7","5","1") = "6"
    & skf21("4","7","4","5","2","7","6","1") = "6"
    & skf21("4","7","4","5","2","7","7","1") = "6"
    & skf21("4","7","4","5","3","1","1","1") = "6"
    & skf21("4","7","4","5","3","1","2","1") = "6"
    & skf21("4","7","4","5","3","1","3","1") = "6"
    & skf21("4","7","4","5","3","1","4","1") = "6"
    & skf21("4","7","4","5","3","1","5","1") = "6"
    & skf21("4","7","4","5","3","1","6","1") = "6"
    & skf21("4","7","4","5","3","1","7","1") = "6"
    & skf21("4","7","4","5","3","2","1","1") = "6"
    & skf21("4","7","4","5","3","2","2","1") = "6"
    & skf21("4","7","4","5","3","2","3","1") = "6"
    & skf21("4","7","4","5","3","2","4","1") = "6"
    & skf21("4","7","4","5","3","2","5","1") = "6"
    & skf21("4","7","4","5","3","2","6","1") = "6"
    & skf21("4","7","4","5","3","2","7","1") = "6"
    & skf21("4","7","4","5","3","3","1","1") = "6"
    & skf21("4","7","4","5","3","3","2","1") = "6"
    & skf21("4","7","4","5","3","3","3","1") = "6"
    & skf21("4","7","4","5","3","3","4","1") = "6"
    & skf21("4","7","4","5","3","3","5","1") = "6"
    & skf21("4","7","4","5","3","3","6","1") = "6"
    & skf21("4","7","4","5","3","3","7","1") = "6"
    & skf21("4","7","4","5","3","4","1","1") = "6"
    & skf21("4","7","4","5","3","4","2","1") = "6"
    & skf21("4","7","4","5","3","4","3","1") = "6"
    & skf21("4","7","4","5","3","4","4","1") = "6"
    & skf21("4","7","4","5","3","4","5","1") = "6"
    & skf21("4","7","4","5","3","4","6","1") = "6"
    & skf21("4","7","4","5","3","4","7","1") = "6"
    & skf21("4","7","4","5","3","5","1","1") = "6"
    & skf21("4","7","4","5","3","5","2","1") = "6"
    & skf21("4","7","4","5","3","5","3","1") = "6"
    & skf21("4","7","4","5","3","5","4","1") = "6"
    & skf21("4","7","4","5","3","5","5","1") = "6"
    & skf21("4","7","4","5","3","5","6","1") = "6"
    & skf21("4","7","4","5","3","5","7","1") = "6"
    & skf21("4","7","4","5","3","6","1","1") = "6"
    & skf21("4","7","4","5","3","6","2","1") = "6"
    & skf21("4","7","4","5","3","6","3","1") = "6"
    & skf21("4","7","4","5","3","6","4","1") = "6"
    & skf21("4","7","4","5","3","6","5","1") = "6"
    & skf21("4","7","4","5","3","6","6","1") = "6"
    & skf21("4","7","4","5","3","6","7","1") = "6"
    & skf21("4","7","4","5","3","7","1","1") = "6"
    & skf21("4","7","4","5","3","7","2","1") = "6"
    & skf21("4","7","4","5","3","7","3","1") = "6"
    & skf21("4","7","4","5","3","7","4","1") = "6"
    & skf21("4","7","4","5","3","7","5","1") = "6"
    & skf21("4","7","4","5","3","7","6","1") = "6"
    & skf21("4","7","4","5","3","7","7","1") = "6"
    & skf21("4","7","4","5","4","1","1","1") = "6"
    & skf21("4","7","4","5","4","1","2","1") = "6"
    & skf21("4","7","4","5","4","1","3","1") = "6"
    & skf21("4","7","4","5","4","1","4","1") = "6"
    & skf21("4","7","4","5","4","1","5","1") = "6"
    & skf21("4","7","4","5","4","1","6","1") = "6"
    & skf21("4","7","4","5","4","1","7","1") = "6"
    & skf21("4","7","4","5","4","2","1","1") = "6"
    & skf21("4","7","4","5","4","2","2","1") = "6"
    & skf21("4","7","4","5","4","2","3","1") = "6"
    & skf21("4","7","4","5","4","2","4","1") = "6"
    & skf21("4","7","4","5","4","2","5","1") = "6"
    & skf21("4","7","4","5","4","2","6","1") = "6"
    & skf21("4","7","4","5","4","2","7","1") = "6"
    & skf21("4","7","4","5","4","3","1","1") = "6"
    & skf21("4","7","4","5","4","3","2","1") = "6"
    & skf21("4","7","4","5","4","3","3","1") = "6"
    & skf21("4","7","4","5","4","3","4","1") = "6"
    & skf21("4","7","4","5","4","3","5","1") = "6"
    & skf21("4","7","4","5","4","3","6","1") = "6"
    & skf21("4","7","4","5","4","3","7","1") = "6"
    & skf21("4","7","4","5","4","4","1","1") = "6"
    & skf21("4","7","4","5","4","4","2","1") = "6"
    & skf21("4","7","4","5","4","4","3","1") = "6"
    & skf21("4","7","4","5","4","4","4","1") = "6"
    & skf21("4","7","4","5","4","4","5","1") = "6"
    & skf21("4","7","4","5","4","4","6","1") = "6"
    & skf21("4","7","4","5","4","4","7","1") = "6"
    & skf21("4","7","4","5","4","5","1","1") = "6"
    & skf21("4","7","4","5","4","5","2","1") = "6"
    & skf21("4","7","4","5","4","5","3","1") = "6"
    & skf21("4","7","4","5","4","5","4","1") = "6"
    & skf21("4","7","4","5","4","5","5","1") = "6"
    & skf21("4","7","4","5","4","5","6","1") = "6"
    & skf21("4","7","4","5","4","5","7","1") = "6"
    & skf21("4","7","4","5","4","6","1","1") = "6"
    & skf21("4","7","4","5","4","6","2","1") = "6"
    & skf21("4","7","4","5","4","6","3","1") = "6"
    & skf21("4","7","4","5","4","6","4","1") = "6"
    & skf21("4","7","4","5","4","6","5","1") = "6"
    & skf21("4","7","4","5","4","6","6","1") = "6"
    & skf21("4","7","4","5","4","6","7","1") = "6"
    & skf21("4","7","4","5","4","7","1","1") = "6"
    & skf21("4","7","4","5","4","7","2","1") = "6"
    & skf21("4","7","4","5","4","7","3","1") = "6"
    & skf21("4","7","4","5","4","7","4","1") = "6"
    & skf21("4","7","4","5","4","7","5","1") = "6"
    & skf21("4","7","4","5","4","7","6","1") = "6"
    & skf21("4","7","4","5","4","7","7","1") = "6"
    & skf21("4","7","4","5","5","1","1","1") = "6"
    & skf21("4","7","4","5","5","1","2","1") = "6"
    & skf21("4","7","4","5","5","1","3","1") = "6"
    & skf21("4","7","4","5","5","1","4","1") = "6"
    & skf21("4","7","4","5","5","1","5","1") = "6"
    & skf21("4","7","4","5","5","1","6","1") = "6"
    & skf21("4","7","4","5","5","1","7","1") = "6"
    & skf21("4","7","4","5","5","2","1","1") = "6"
    & skf21("4","7","4","5","5","2","2","1") = "6"
    & skf21("4","7","4","5","5","2","3","1") = "6"
    & skf21("4","7","4","5","5","2","4","1") = "6"
    & skf21("4","7","4","5","5","2","5","1") = "6"
    & skf21("4","7","4","5","5","2","6","1") = "6"
    & skf21("4","7","4","5","5","2","7","1") = "6"
    & skf21("4","7","4","5","5","3","1","1") = "6"
    & skf21("4","7","4","5","5","3","2","1") = "6"
    & skf21("4","7","4","5","5","3","3","1") = "6"
    & skf21("4","7","4","5","5","3","4","1") = "6"
    & skf21("4","7","4","5","5","3","5","1") = "6"
    & skf21("4","7","4","5","5","3","6","1") = "6"
    & skf21("4","7","4","5","5","3","7","1") = "6"
    & skf21("4","7","4","5","5","4","1","1") = "6"
    & skf21("4","7","4","5","5","4","2","1") = "6"
    & skf21("4","7","4","5","5","4","3","1") = "6"
    & skf21("4","7","4","5","5","4","4","1") = "6"
    & skf21("4","7","4","5","5","4","5","1") = "6"
    & skf21("4","7","4","5","5","4","6","1") = "6"
    & skf21("4","7","4","5","5","4","7","1") = "6"
    & skf21("4","7","4","5","5","5","1","1") = "6"
    & skf21("4","7","4","5","5","5","2","1") = "6"
    & skf21("4","7","4","5","5","5","3","1") = "6"
    & skf21("4","7","4","5","5","5","4","1") = "6"
    & skf21("4","7","4","5","5","5","5","1") = "6"
    & skf21("4","7","4","5","5","5","6","1") = "6"
    & skf21("4","7","4","5","5","5","7","1") = "6"
    & skf21("4","7","4","5","5","6","1","1") = "6"
    & skf21("4","7","4","5","5","6","2","1") = "6"
    & skf21("4","7","4","5","5","6","3","1") = "6"
    & skf21("4","7","4","5","5","6","4","1") = "6"
    & skf21("4","7","4","5","5","6","5","1") = "6"
    & skf21("4","7","4","5","5","6","6","1") = "6"
    & skf21("4","7","4","5","5","6","7","1") = "6"
    & skf21("4","7","4","5","5","7","1","1") = "6"
    & skf21("4","7","4","5","5","7","2","1") = "6"
    & skf21("4","7","4","5","5","7","3","1") = "6"
    & skf21("4","7","4","5","5","7","4","1") = "6"
    & skf21("4","7","4","5","5","7","5","1") = "6"
    & skf21("4","7","4","5","5","7","6","1") = "6"
    & skf21("4","7","4","5","5","7","7","1") = "6"
    & skf21("4","7","4","5","6","1","1","1") = "6"
    & skf21("4","7","4","5","6","1","2","1") = "6"
    & skf21("4","7","4","5","6","1","3","1") = "6"
    & skf21("4","7","4","5","6","1","4","1") = "6"
    & skf21("4","7","4","5","6","1","5","1") = "6"
    & skf21("4","7","4","5","6","1","6","1") = "6"
    & skf21("4","7","4","5","6","1","7","1") = "6"
    & skf21("4","7","4","5","6","2","1","1") = "6"
    & skf21("4","7","4","5","6","2","2","1") = "6"
    & skf21("4","7","4","5","6","2","3","1") = "6"
    & skf21("4","7","4","5","6","2","4","1") = "6"
    & skf21("4","7","4","5","6","2","5","1") = "6"
    & skf21("4","7","4","5","6","2","6","1") = "6"
    & skf21("4","7","4","5","6","2","7","1") = "6"
    & skf21("4","7","4","5","6","3","1","1") = "6"
    & skf21("4","7","4","5","6","3","2","1") = "6"
    & skf21("4","7","4","5","6","3","3","1") = "6"
    & skf21("4","7","4","5","6","3","4","1") = "6"
    & skf21("4","7","4","5","6","3","5","1") = "6"
    & skf21("4","7","4","5","6","3","6","1") = "6"
    & skf21("4","7","4","5","6","3","7","1") = "6"
    & skf21("4","7","4","5","6","4","1","1") = "6"
    & skf21("4","7","4","5","6","4","2","1") = "6"
    & skf21("4","7","4","5","6","4","3","1") = "6"
    & skf21("4","7","4","5","6","4","4","1") = "6"
    & skf21("4","7","4","5","6","4","5","1") = "6"
    & skf21("4","7","4","5","6","4","6","1") = "6"
    & skf21("4","7","4","5","6","4","7","1") = "6"
    & skf21("4","7","4","5","6","5","1","1") = "6"
    & skf21("4","7","4","5","6","5","2","1") = "6"
    & skf21("4","7","4","5","6","5","3","1") = "6"
    & skf21("4","7","4","5","6","5","4","1") = "6"
    & skf21("4","7","4","5","6","5","5","1") = "6"
    & skf21("4","7","4","5","6","5","6","1") = "6"
    & skf21("4","7","4","5","6","5","7","1") = "6"
    & skf21("4","7","4","5","6","6","1","1") = "6"
    & skf21("4","7","4","5","6","6","2","1") = "6"
    & skf21("4","7","4","5","6","6","3","1") = "6"
    & skf21("4","7","4","5","6","6","4","1") = "6"
    & skf21("4","7","4","5","6","6","5","1") = "6"
    & skf21("4","7","4","5","6","6","6","1") = "6"
    & skf21("4","7","4","5","6","6","7","1") = "6"
    & skf21("4","7","4","5","6","7","1","1") = "6"
    & skf21("4","7","4","5","6","7","2","1") = "6"
    & skf21("4","7","4","5","6","7","3","1") = "6"
    & skf21("4","7","4","5","6","7","4","1") = "6"
    & skf21("4","7","4","5","6","7","5","1") = "6"
    & skf21("4","7","4","5","6","7","6","1") = "6"
    & skf21("4","7","4","5","6","7","7","1") = "6"
    & skf21("4","7","4","5","7","1","1","1") = "6"
    & skf21("4","7","4","5","7","1","2","1") = "6"
    & skf21("4","7","4","5","7","1","3","1") = "6"
    & skf21("4","7","4","5","7","1","4","1") = "6"
    & skf21("4","7","4","5","7","1","5","1") = "6"
    & skf21("4","7","4","5","7","1","6","1") = "6"
    & skf21("4","7","4","5","7","1","7","1") = "6"
    & skf21("4","7","4","5","7","2","1","1") = "6"
    & skf21("4","7","4","5","7","2","2","1") = "6"
    & skf21("4","7","4","5","7","2","3","1") = "6"
    & skf21("4","7","4","5","7","2","4","1") = "6"
    & skf21("4","7","4","5","7","2","5","1") = "6"
    & skf21("4","7","4","5","7","2","6","1") = "6"
    & skf21("4","7","4","5","7","2","7","1") = "6"
    & skf21("4","7","4","5","7","3","1","1") = "6"
    & skf21("4","7","4","5","7","3","2","1") = "6"
    & skf21("4","7","4","5","7","3","3","1") = "6"
    & skf21("4","7","4","5","7","3","4","1") = "6"
    & skf21("4","7","4","5","7","3","5","1") = "6"
    & skf21("4","7","4","5","7","3","6","1") = "6"
    & skf21("4","7","4","5","7","3","7","1") = "6"
    & skf21("4","7","4","5","7","4","1","1") = "6"
    & skf21("4","7","4","5","7","4","2","1") = "6"
    & skf21("4","7","4","5","7","4","3","1") = "6"
    & skf21("4","7","4","5","7","4","4","1") = "6"
    & skf21("4","7","4","5","7","4","5","1") = "6"
    & skf21("4","7","4","5","7","4","6","1") = "6"
    & skf21("4","7","4","5","7","4","7","1") = "6"
    & skf21("4","7","4","5","7","5","1","1") = "6"
    & skf21("4","7","4","5","7","5","2","1") = "6"
    & skf21("4","7","4","5","7","5","3","1") = "6"
    & skf21("4","7","4","5","7","5","4","1") = "6"
    & skf21("4","7","4","5","7","5","5","1") = "6"
    & skf21("4","7","4","5","7","5","6","1") = "6"
    & skf21("4","7","4","5","7","5","7","1") = "6"
    & skf21("4","7","4","5","7","6","1","1") = "6"
    & skf21("4","7","4","5","7","6","2","1") = "6"
    & skf21("4","7","4","5","7","6","3","1") = "6"
    & skf21("4","7","4","5","7","6","4","1") = "6"
    & skf21("4","7","4","5","7","6","5","1") = "6"
    & skf21("4","7","4","5","7","6","6","1") = "6"
    & skf21("4","7","4","5","7","6","7","1") = "6"
    & skf21("4","7","4","5","7","7","1","1") = "6"
    & skf21("4","7","4","5","7","7","2","1") = "6"
    & skf21("4","7","4","5","7","7","3","1") = "6"
    & skf21("4","7","4","5","7","7","4","1") = "6"
    & skf21("4","7","4","5","7","7","5","1") = "6"
    & skf21("4","7","4","5","7","7","6","1") = "6"
    & skf21("4","7","4","5","7","7","7","1") = "6"
    & skf21("4","7","4","6","1","1","1","1") = "6"
    & skf21("4","7","4","6","1","1","2","1") = "6"
    & skf21("4","7","4","6","1","1","3","1") = "6"
    & skf21("4","7","4","6","1","1","4","1") = "6"
    & skf21("4","7","4","6","1","1","5","1") = "6"
    & skf21("4","7","4","6","1","1","6","1") = "6"
    & skf21("4","7","4","6","1","1","7","1") = "6"
    & skf21("4","7","4","6","1","2","1","1") = "6"
    & skf21("4","7","4","6","1","2","2","1") = "6"
    & skf21("4","7","4","6","1","2","3","1") = "6"
    & skf21("4","7","4","6","1","2","4","1") = "6"
    & skf21("4","7","4","6","1","2","5","1") = "6"
    & skf21("4","7","4","6","1","2","6","1") = "6"
    & skf21("4","7","4","6","1","2","7","1") = "6"
    & skf21("4","7","4","6","1","3","1","1") = "6"
    & skf21("4","7","4","6","1","3","2","1") = "6"
    & skf21("4","7","4","6","1","3","3","1") = "6"
    & skf21("4","7","4","6","1","3","4","1") = "6"
    & skf21("4","7","4","6","1","3","5","1") = "6"
    & skf21("4","7","4","6","1","3","6","1") = "6"
    & skf21("4","7","4","6","1","3","7","1") = "6"
    & skf21("4","7","4","6","1","4","1","1") = "6"
    & skf21("4","7","4","6","1","4","2","1") = "6"
    & skf21("4","7","4","6","1","4","3","1") = "6"
    & skf21("4","7","4","6","1","4","4","1") = "6"
    & skf21("4","7","4","6","1","4","5","1") = "6"
    & skf21("4","7","4","6","1","4","6","1") = "6"
    & skf21("4","7","4","6","1","4","7","1") = "6"
    & skf21("4","7","4","6","1","5","1","1") = "6"
    & skf21("4","7","4","6","1","5","2","1") = "6"
    & skf21("4","7","4","6","1","5","3","1") = "6"
    & skf21("4","7","4","6","1","5","4","1") = "6"
    & skf21("4","7","4","6","1","5","5","1") = "6"
    & skf21("4","7","4","6","1","5","6","1") = "6"
    & skf21("4","7","4","6","1","5","7","1") = "6"
    & skf21("4","7","4","6","1","6","1","1") = "6"
    & skf21("4","7","4","6","1","6","2","1") = "6"
    & skf21("4","7","4","6","1","6","3","1") = "6"
    & skf21("4","7","4","6","1","6","4","1") = "6"
    & skf21("4","7","4","6","1","6","5","1") = "6"
    & skf21("4","7","4","6","1","6","6","1") = "6"
    & skf21("4","7","4","6","1","6","7","1") = "6"
    & skf21("4","7","4","6","1","7","1","1") = "6"
    & skf21("4","7","4","6","1","7","2","1") = "6"
    & skf21("4","7","4","6","1","7","3","1") = "6"
    & skf21("4","7","4","6","1","7","4","1") = "6"
    & skf21("4","7","4","6","1","7","5","1") = "6"
    & skf21("4","7","4","6","1","7","6","1") = "6"
    & skf21("4","7","4","6","1","7","7","1") = "6"
    & skf21("4","7","4","6","2","1","1","1") = "6"
    & skf21("4","7","4","6","2","1","2","1") = "6"
    & skf21("4","7","4","6","2","1","3","1") = "6"
    & skf21("4","7","4","6","2","1","4","1") = "6"
    & skf21("4","7","4","6","2","1","5","1") = "6"
    & skf21("4","7","4","6","2","1","6","1") = "6"
    & skf21("4","7","4","6","2","1","7","1") = "6"
    & skf21("4","7","4","6","2","2","1","1") = "6"
    & skf21("4","7","4","6","2","2","2","1") = "6"
    & skf21("4","7","4","6","2","2","3","1") = "6"
    & skf21("4","7","4","6","2","2","4","1") = "6"
    & skf21("4","7","4","6","2","2","5","1") = "6"
    & skf21("4","7","4","6","2","2","6","1") = "6"
    & skf21("4","7","4","6","2","2","7","1") = "6"
    & skf21("4","7","4","6","2","3","1","1") = "6"
    & skf21("4","7","4","6","2","3","2","1") = "6"
    & skf21("4","7","4","6","2","3","3","1") = "6"
    & skf21("4","7","4","6","2","3","4","1") = "6"
    & skf21("4","7","4","6","2","3","5","1") = "6"
    & skf21("4","7","4","6","2","3","6","1") = "6"
    & skf21("4","7","4","6","2","3","7","1") = "6"
    & skf21("4","7","4","6","2","4","1","1") = "6"
    & skf21("4","7","4","6","2","4","2","1") = "6"
    & skf21("4","7","4","6","2","4","3","1") = "6"
    & skf21("4","7","4","6","2","4","4","1") = "6"
    & skf21("4","7","4","6","2","4","5","1") = "6"
    & skf21("4","7","4","6","2","4","6","1") = "6"
    & skf21("4","7","4","6","2","4","7","1") = "6"
    & skf21("4","7","4","6","2","5","1","1") = "6"
    & skf21("4","7","4","6","2","5","2","1") = "6"
    & skf21("4","7","4","6","2","5","3","1") = "6"
    & skf21("4","7","4","6","2","5","4","1") = "6"
    & skf21("4","7","4","6","2","5","5","1") = "6"
    & skf21("4","7","4","6","2","5","6","1") = "6"
    & skf21("4","7","4","6","2","5","7","1") = "6"
    & skf21("4","7","4","6","2","6","1","1") = "6"
    & skf21("4","7","4","6","2","6","2","1") = "6"
    & skf21("4","7","4","6","2","6","3","1") = "6"
    & skf21("4","7","4","6","2","6","4","1") = "6"
    & skf21("4","7","4","6","2","6","5","1") = "6"
    & skf21("4","7","4","6","2","6","6","1") = "6"
    & skf21("4","7","4","6","2","6","7","1") = "6"
    & skf21("4","7","4","6","2","7","1","1") = "6"
    & skf21("4","7","4","6","2","7","2","1") = "6"
    & skf21("4","7","4","6","2","7","3","1") = "6"
    & skf21("4","7","4","6","2","7","4","1") = "6"
    & skf21("4","7","4","6","2","7","5","1") = "6"
    & skf21("4","7","4","6","2","7","6","1") = "6"
    & skf21("4","7","4","6","2","7","7","1") = "6"
    & skf21("4","7","4","6","3","1","1","1") = "6"
    & skf21("4","7","4","6","3","1","2","1") = "6"
    & skf21("4","7","4","6","3","1","3","1") = "6"
    & skf21("4","7","4","6","3","1","4","1") = "6"
    & skf21("4","7","4","6","3","1","5","1") = "6"
    & skf21("4","7","4","6","3","1","6","1") = "6"
    & skf21("4","7","4","6","3","1","7","1") = "6"
    & skf21("4","7","4","6","3","2","1","1") = "6"
    & skf21("4","7","4","6","3","2","2","1") = "6"
    & skf21("4","7","4","6","3","2","3","1") = "6"
    & skf21("4","7","4","6","3","2","4","1") = "6"
    & skf21("4","7","4","6","3","2","5","1") = "6"
    & skf21("4","7","4","6","3","2","6","1") = "6"
    & skf21("4","7","4","6","3","2","7","1") = "6"
    & skf21("4","7","4","6","3","3","1","1") = "6"
    & skf21("4","7","4","6","3","3","2","1") = "6"
    & skf21("4","7","4","6","3","3","3","1") = "6"
    & skf21("4","7","4","6","3","3","4","1") = "6"
    & skf21("4","7","4","6","3","3","5","1") = "6"
    & skf21("4","7","4","6","3","3","6","1") = "6"
    & skf21("4","7","4","6","3","3","7","1") = "6"
    & skf21("4","7","4","6","3","4","1","1") = "6"
    & skf21("4","7","4","6","3","4","2","1") = "6"
    & skf21("4","7","4","6","3","4","3","1") = "6"
    & skf21("4","7","4","6","3","4","4","1") = "6"
    & skf21("4","7","4","6","3","4","5","1") = "6"
    & skf21("4","7","4","6","3","4","6","1") = "6"
    & skf21("4","7","4","6","3","4","7","1") = "6"
    & skf21("4","7","4","6","3","5","1","1") = "6"
    & skf21("4","7","4","6","3","5","2","1") = "6"
    & skf21("4","7","4","6","3","5","3","1") = "6"
    & skf21("4","7","4","6","3","5","4","1") = "6"
    & skf21("4","7","4","6","3","5","5","1") = "6"
    & skf21("4","7","4","6","3","5","6","1") = "6"
    & skf21("4","7","4","6","3","5","7","1") = "6"
    & skf21("4","7","4","6","3","6","1","1") = "6"
    & skf21("4","7","4","6","3","6","2","1") = "6"
    & skf21("4","7","4","6","3","6","3","1") = "6"
    & skf21("4","7","4","6","3","6","4","1") = "6"
    & skf21("4","7","4","6","3","6","5","1") = "6"
    & skf21("4","7","4","6","3","6","6","1") = "6"
    & skf21("4","7","4","6","3","6","7","1") = "6"
    & skf21("4","7","4","6","3","7","1","1") = "6"
    & skf21("4","7","4","6","3","7","2","1") = "6"
    & skf21("4","7","4","6","3","7","3","1") = "6"
    & skf21("4","7","4","6","3","7","4","1") = "6"
    & skf21("4","7","4","6","3","7","5","1") = "6"
    & skf21("4","7","4","6","3","7","6","1") = "6"
    & skf21("4","7","4","6","3","7","7","1") = "6"
    & skf21("4","7","4","6","4","1","1","1") = "6"
    & skf21("4","7","4","6","4","1","2","1") = "6"
    & skf21("4","7","4","6","4","1","3","1") = "6"
    & skf21("4","7","4","6","4","1","4","1") = "6"
    & skf21("4","7","4","6","4","1","5","1") = "6"
    & skf21("4","7","4","6","4","1","6","1") = "6"
    & skf21("4","7","4","6","4","1","7","1") = "6"
    & skf21("4","7","4","6","4","2","1","1") = "6"
    & skf21("4","7","4","6","4","2","2","1") = "6"
    & skf21("4","7","4","6","4","2","3","1") = "6"
    & skf21("4","7","4","6","4","2","4","1") = "6"
    & skf21("4","7","4","6","4","2","5","1") = "6"
    & skf21("4","7","4","6","4","2","6","1") = "6"
    & skf21("4","7","4","6","4","2","7","1") = "6"
    & skf21("4","7","4","6","4","3","1","1") = "6"
    & skf21("4","7","4","6","4","3","2","1") = "6"
    & skf21("4","7","4","6","4","3","3","1") = "6"
    & skf21("4","7","4","6","4","3","4","1") = "6"
    & skf21("4","7","4","6","4","3","5","1") = "6"
    & skf21("4","7","4","6","4","3","6","1") = "6"
    & skf21("4","7","4","6","4","3","7","1") = "6"
    & skf21("4","7","4","6","4","4","1","1") = "6"
    & skf21("4","7","4","6","4","4","2","1") = "6"
    & skf21("4","7","4","6","4","4","3","1") = "6"
    & skf21("4","7","4","6","4","4","4","1") = "6"
    & skf21("4","7","4","6","4","4","5","1") = "6"
    & skf21("4","7","4","6","4","4","6","1") = "6"
    & skf21("4","7","4","6","4","4","7","1") = "6"
    & skf21("4","7","4","6","4","5","1","1") = "6"
    & skf21("4","7","4","6","4","5","2","1") = "6"
    & skf21("4","7","4","6","4","5","3","1") = "6"
    & skf21("4","7","4","6","4","5","4","1") = "6"
    & skf21("4","7","4","6","4","5","5","1") = "6"
    & skf21("4","7","4","6","4","5","6","1") = "6"
    & skf21("4","7","4","6","4","5","7","1") = "6"
    & skf21("4","7","4","6","4","6","1","1") = "6"
    & skf21("4","7","4","6","4","6","2","1") = "6"
    & skf21("4","7","4","6","4","6","3","1") = "6"
    & skf21("4","7","4","6","4","6","4","1") = "6"
    & skf21("4","7","4","6","4","6","5","1") = "6"
    & skf21("4","7","4","6","4","6","6","1") = "6"
    & skf21("4","7","4","6","4","6","7","1") = "6"
    & skf21("4","7","4","6","4","7","1","1") = "6"
    & skf21("4","7","4","6","4","7","2","1") = "6"
    & skf21("4","7","4","6","4","7","3","1") = "6"
    & skf21("4","7","4","6","4","7","4","1") = "6"
    & skf21("4","7","4","6","4","7","5","1") = "6"
    & skf21("4","7","4","6","4","7","6","1") = "6"
    & skf21("4","7","4","6","4","7","7","1") = "6"
    & skf21("4","7","4","6","5","1","1","1") = "6"
    & skf21("4","7","4","6","5","1","2","1") = "6"
    & skf21("4","7","4","6","5","1","3","1") = "6"
    & skf21("4","7","4","6","5","1","4","1") = "6"
    & skf21("4","7","4","6","5","1","5","1") = "6"
    & skf21("4","7","4","6","5","1","6","1") = "6"
    & skf21("4","7","4","6","5","1","7","1") = "6"
    & skf21("4","7","4","6","5","2","1","1") = "6"
    & skf21("4","7","4","6","5","2","2","1") = "6"
    & skf21("4","7","4","6","5","2","3","1") = "6"
    & skf21("4","7","4","6","5","2","4","1") = "6"
    & skf21("4","7","4","6","5","2","5","1") = "6"
    & skf21("4","7","4","6","5","2","6","1") = "6"
    & skf21("4","7","4","6","5","2","7","1") = "6"
    & skf21("4","7","4","6","5","3","1","1") = "6"
    & skf21("4","7","4","6","5","3","2","1") = "6"
    & skf21("4","7","4","6","5","3","3","1") = "6"
    & skf21("4","7","4","6","5","3","4","1") = "6"
    & skf21("4","7","4","6","5","3","5","1") = "6"
    & skf21("4","7","4","6","5","3","6","1") = "6"
    & skf21("4","7","4","6","5","3","7","1") = "6"
    & skf21("4","7","4","6","5","4","1","1") = "6"
    & skf21("4","7","4","6","5","4","2","1") = "6"
    & skf21("4","7","4","6","5","4","3","1") = "6"
    & skf21("4","7","4","6","5","4","4","1") = "6"
    & skf21("4","7","4","6","5","4","5","1") = "6"
    & skf21("4","7","4","6","5","4","6","1") = "6"
    & skf21("4","7","4","6","5","4","7","1") = "6"
    & skf21("4","7","4","6","5","5","1","1") = "6"
    & skf21("4","7","4","6","5","5","2","1") = "6"
    & skf21("4","7","4","6","5","5","3","1") = "6"
    & skf21("4","7","4","6","5","5","4","1") = "6"
    & skf21("4","7","4","6","5","5","5","1") = "6"
    & skf21("4","7","4","6","5","5","6","1") = "6"
    & skf21("4","7","4","6","5","5","7","1") = "6"
    & skf21("4","7","4","6","5","6","1","1") = "6"
    & skf21("4","7","4","6","5","6","2","1") = "6"
    & skf21("4","7","4","6","5","6","3","1") = "6"
    & skf21("4","7","4","6","5","6","4","1") = "6"
    & skf21("4","7","4","6","5","6","5","1") = "6"
    & skf21("4","7","4","6","5","6","6","1") = "6"
    & skf21("4","7","4","6","5","6","7","1") = "6"
    & skf21("4","7","4","6","5","7","1","1") = "6"
    & skf21("4","7","4","6","5","7","2","1") = "6"
    & skf21("4","7","4","6","5","7","3","1") = "6"
    & skf21("4","7","4","6","5","7","4","1") = "6"
    & skf21("4","7","4","6","5","7","5","1") = "6"
    & skf21("4","7","4","6","5","7","6","1") = "6"
    & skf21("4","7","4","6","5","7","7","1") = "6"
    & skf21("4","7","4","6","6","1","1","1") = "6"
    & skf21("4","7","4","6","6","1","2","1") = "6"
    & skf21("4","7","4","6","6","1","3","1") = "6"
    & skf21("4","7","4","6","6","1","4","1") = "6"
    & skf21("4","7","4","6","6","1","5","1") = "6"
    & skf21("4","7","4","6","6","1","6","1") = "6"
    & skf21("4","7","4","6","6","1","7","1") = "6"
    & skf21("4","7","4","6","6","2","1","1") = "6"
    & skf21("4","7","4","6","6","2","2","1") = "6"
    & skf21("4","7","4","6","6","2","3","1") = "6"
    & skf21("4","7","4","6","6","2","4","1") = "6"
    & skf21("4","7","4","6","6","2","5","1") = "6"
    & skf21("4","7","4","6","6","2","6","1") = "6"
    & skf21("4","7","4","6","6","2","7","1") = "6"
    & skf21("4","7","4","6","6","3","1","1") = "6"
    & skf21("4","7","4","6","6","3","2","1") = "6"
    & skf21("4","7","4","6","6","3","3","1") = "6"
    & skf21("4","7","4","6","6","3","4","1") = "6"
    & skf21("4","7","4","6","6","3","5","1") = "6"
    & skf21("4","7","4","6","6","3","6","1") = "6"
    & skf21("4","7","4","6","6","3","7","1") = "6"
    & skf21("4","7","4","6","6","4","1","1") = "6"
    & skf21("4","7","4","6","6","4","2","1") = "6"
    & skf21("4","7","4","6","6","4","3","1") = "6"
    & skf21("4","7","4","6","6","4","4","1") = "6"
    & skf21("4","7","4","6","6","4","5","1") = "6"
    & skf21("4","7","4","6","6","4","6","1") = "6"
    & skf21("4","7","4","6","6","4","7","1") = "6"
    & skf21("4","7","4","6","6","5","1","1") = "6"
    & skf21("4","7","4","6","6","5","2","1") = "6"
    & skf21("4","7","4","6","6","5","3","1") = "6"
    & skf21("4","7","4","6","6","5","4","1") = "6"
    & skf21("4","7","4","6","6","5","5","1") = "6"
    & skf21("4","7","4","6","6","5","6","1") = "6"
    & skf21("4","7","4","6","6","5","7","1") = "6"
    & skf21("4","7","4","6","6","6","1","1") = "6"
    & skf21("4","7","4","6","6","6","2","1") = "6"
    & skf21("4","7","4","6","6","6","3","1") = "6"
    & skf21("4","7","4","6","6","6","4","1") = "6"
    & skf21("4","7","4","6","6","6","5","1") = "6"
    & skf21("4","7","4","6","6","6","6","1") = "6"
    & skf21("4","7","4","6","6","6","7","1") = "6"
    & skf21("4","7","4","6","6","7","1","1") = "6"
    & skf21("4","7","4","6","6","7","2","1") = "6"
    & skf21("4","7","4","6","6","7","3","1") = "6"
    & skf21("4","7","4","6","6","7","4","1") = "6"
    & skf21("4","7","4","6","6","7","5","1") = "6"
    & skf21("4","7","4","6","6","7","6","1") = "6"
    & skf21("4","7","4","6","6","7","7","1") = "6"
    & skf21("4","7","4","6","7","1","1","1") = "6"
    & skf21("4","7","4","6","7","1","2","1") = "6"
    & skf21("4","7","4","6","7","1","3","1") = "6"
    & skf21("4","7","4","6","7","1","4","1") = "6"
    & skf21("4","7","4","6","7","1","5","1") = "6"
    & skf21("4","7","4","6","7","1","6","1") = "6"
    & skf21("4","7","4","6","7","1","7","1") = "6"
    & skf21("4","7","4","6","7","2","1","1") = "6"
    & skf21("4","7","4","6","7","2","2","1") = "6"
    & skf21("4","7","4","6","7","2","3","1") = "6"
    & skf21("4","7","4","6","7","2","4","1") = "6"
    & skf21("4","7","4","6","7","2","5","1") = "6"
    & skf21("4","7","4","6","7","2","6","1") = "6"
    & skf21("4","7","4","6","7","2","7","1") = "6"
    & skf21("4","7","4","6","7","3","1","1") = "6"
    & skf21("4","7","4","6","7","3","2","1") = "6"
    & skf21("4","7","4","6","7","3","3","1") = "6"
    & skf21("4","7","4","6","7","3","4","1") = "6"
    & skf21("4","7","4","6","7","3","5","1") = "6"
    & skf21("4","7","4","6","7","3","6","1") = "6"
    & skf21("4","7","4","6","7","3","7","1") = "6"
    & skf21("4","7","4","6","7","4","1","1") = "6"
    & skf21("4","7","4","6","7","4","2","1") = "6"
    & skf21("4","7","4","6","7","4","3","1") = "6"
    & skf21("4","7","4","6","7","4","4","1") = "6"
    & skf21("4","7","4","6","7","4","5","1") = "6"
    & skf21("4","7","4","6","7","4","6","1") = "6"
    & skf21("4","7","4","6","7","4","7","1") = "6"
    & skf21("4","7","4","6","7","5","1","1") = "6"
    & skf21("4","7","4","6","7","5","2","1") = "6"
    & skf21("4","7","4","6","7","5","3","1") = "6"
    & skf21("4","7","4","6","7","5","4","1") = "6"
    & skf21("4","7","4","6","7","5","5","1") = "6"
    & skf21("4","7","4","6","7","5","6","1") = "6"
    & skf21("4","7","4","6","7","5","7","1") = "6"
    & skf21("4","7","4","6","7","6","1","1") = "6"
    & skf21("4","7","4","6","7","6","2","1") = "6"
    & skf21("4","7","4","6","7","6","3","1") = "6"
    & skf21("4","7","4","6","7","6","4","1") = "6"
    & skf21("4","7","4","6","7","6","5","1") = "6"
    & skf21("4","7","4","6","7","6","6","1") = "6"
    & skf21("4","7","4","6","7","6","7","1") = "6"
    & skf21("4","7","4","6","7","7","1","1") = "6"
    & skf21("4","7","4","6","7","7","2","1") = "6"
    & skf21("4","7","4","6","7","7","3","1") = "6"
    & skf21("4","7","4","6","7","7","4","1") = "6"
    & skf21("4","7","4","6","7","7","5","1") = "6"
    & skf21("4","7","4","6","7","7","6","1") = "6"
    & skf21("4","7","4","6","7","7","7","1") = "6"
    & skf21("4","7","4","7","1","1","1","1") = "6"
    & skf21("4","7","4","7","1","1","2","1") = "6"
    & skf21("4","7","4","7","1","1","3","1") = "6"
    & skf21("4","7","4","7","1","1","4","1") = "6"
    & skf21("4","7","4","7","1","1","5","1") = "6"
    & skf21("4","7","4","7","1","1","6","1") = "6"
    & skf21("4","7","4","7","1","1","7","1") = "6"
    & skf21("4","7","4","7","1","2","1","1") = "6"
    & skf21("4","7","4","7","1","2","2","1") = "6"
    & skf21("4","7","4","7","1","2","3","1") = "6"
    & skf21("4","7","4","7","1","2","4","1") = "6"
    & skf21("4","7","4","7","1","2","5","1") = "6"
    & skf21("4","7","4","7","1","2","6","1") = "6"
    & skf21("4","7","4","7","1","2","7","1") = "6"
    & skf21("4","7","4","7","1","3","1","1") = "6"
    & skf21("4","7","4","7","1","3","2","1") = "6"
    & skf21("4","7","4","7","1","3","3","1") = "6"
    & skf21("4","7","4","7","1","3","4","1") = "6"
    & skf21("4","7","4","7","1","3","5","1") = "6"
    & skf21("4","7","4","7","1","3","6","1") = "6"
    & skf21("4","7","4","7","1","3","7","1") = "6"
    & skf21("4","7","4","7","1","4","1","1") = "6"
    & skf21("4","7","4","7","1","4","2","1") = "6"
    & skf21("4","7","4","7","1","4","3","1") = "6"
    & skf21("4","7","4","7","1","4","4","1") = "6"
    & skf21("4","7","4","7","1","4","5","1") = "6"
    & skf21("4","7","4","7","1","4","6","1") = "6"
    & skf21("4","7","4","7","1","4","7","1") = "6"
    & skf21("4","7","4","7","1","5","1","1") = "6"
    & skf21("4","7","4","7","1","5","2","1") = "6"
    & skf21("4","7","4","7","1","5","3","1") = "6"
    & skf21("4","7","4","7","1","5","4","1") = "6"
    & skf21("4","7","4","7","1","5","5","1") = "6"
    & skf21("4","7","4","7","1","5","6","1") = "6"
    & skf21("4","7","4","7","1","5","7","1") = "6"
    & skf21("4","7","4","7","1","6","1","1") = "6"
    & skf21("4","7","4","7","1","6","2","1") = "6"
    & skf21("4","7","4","7","1","6","3","1") = "6"
    & skf21("4","7","4","7","1","6","4","1") = "6"
    & skf21("4","7","4","7","1","6","5","1") = "6"
    & skf21("4","7","4","7","1","6","6","1") = "6"
    & skf21("4","7","4","7","1","6","7","1") = "6"
    & skf21("4","7","4","7","1","7","1","1") = "6"
    & skf21("4","7","4","7","1","7","2","1") = "6"
    & skf21("4","7","4","7","1","7","3","1") = "6"
    & skf21("4","7","4","7","1","7","4","1") = "6"
    & skf21("4","7","4","7","1","7","5","1") = "6"
    & skf21("4","7","4","7","1","7","6","1") = "6"
    & skf21("4","7","4","7","1","7","7","1") = "6"
    & skf21("4","7","4","7","2","1","1","1") = "6"
    & skf21("4","7","4","7","2","1","2","1") = "6"
    & skf21("4","7","4","7","2","1","3","1") = "6"
    & skf21("4","7","4","7","2","1","4","1") = "6"
    & skf21("4","7","4","7","2","1","5","1") = "6"
    & skf21("4","7","4","7","2","1","6","1") = "6"
    & skf21("4","7","4","7","2","1","7","1") = "6"
    & skf21("4","7","4","7","2","2","1","1") = "6"
    & skf21("4","7","4","7","2","2","2","1") = "6"
    & skf21("4","7","4","7","2","2","3","1") = "6"
    & skf21("4","7","4","7","2","2","4","1") = "6"
    & skf21("4","7","4","7","2","2","5","1") = "6"
    & skf21("4","7","4","7","2","2","6","1") = "6"
    & skf21("4","7","4","7","2","2","7","1") = "6"
    & skf21("4","7","4","7","2","3","1","1") = "6"
    & skf21("4","7","4","7","2","3","2","1") = "6"
    & skf21("4","7","4","7","2","3","3","1") = "6"
    & skf21("4","7","4","7","2","3","4","1") = "6"
    & skf21("4","7","4","7","2","3","5","1") = "6"
    & skf21("4","7","4","7","2","3","6","1") = "6"
    & skf21("4","7","4","7","2","3","7","1") = "6"
    & skf21("4","7","4","7","2","4","1","1") = "6"
    & skf21("4","7","4","7","2","4","2","1") = "6"
    & skf21("4","7","4","7","2","4","3","1") = "6"
    & skf21("4","7","4","7","2","4","4","1") = "6"
    & skf21("4","7","4","7","2","4","5","1") = "6"
    & skf21("4","7","4","7","2","4","6","1") = "6"
    & skf21("4","7","4","7","2","4","7","1") = "6"
    & skf21("4","7","4","7","2","5","1","1") = "6"
    & skf21("4","7","4","7","2","5","2","1") = "6"
    & skf21("4","7","4","7","2","5","3","1") = "6"
    & skf21("4","7","4","7","2","5","4","1") = "6"
    & skf21("4","7","4","7","2","5","5","1") = "6"
    & skf21("4","7","4","7","2","5","6","1") = "6"
    & skf21("4","7","4","7","2","5","7","1") = "6"
    & skf21("4","7","4","7","2","6","1","1") = "6"
    & skf21("4","7","4","7","2","6","2","1") = "6"
    & skf21("4","7","4","7","2","6","3","1") = "6"
    & skf21("4","7","4","7","2","6","4","1") = "6"
    & skf21("4","7","4","7","2","6","5","1") = "6"
    & skf21("4","7","4","7","2","6","6","1") = "6"
    & skf21("4","7","4","7","2","6","7","1") = "6"
    & skf21("4","7","4","7","2","7","1","1") = "6"
    & skf21("4","7","4","7","2","7","2","1") = "6"
    & skf21("4","7","4","7","2","7","3","1") = "6"
    & skf21("4","7","4","7","2","7","4","1") = "6"
    & skf21("4","7","4","7","2","7","5","1") = "6"
    & skf21("4","7","4","7","2","7","6","1") = "6"
    & skf21("4","7","4","7","2","7","7","1") = "6"
    & skf21("4","7","4","7","3","1","1","1") = "6"
    & skf21("4","7","4","7","3","1","2","1") = "6"
    & skf21("4","7","4","7","3","1","3","1") = "6"
    & skf21("4","7","4","7","3","1","4","1") = "6"
    & skf21("4","7","4","7","3","1","5","1") = "6"
    & skf21("4","7","4","7","3","1","6","1") = "6"
    & skf21("4","7","4","7","3","1","7","1") = "6"
    & skf21("4","7","4","7","3","2","1","1") = "6"
    & skf21("4","7","4","7","3","2","2","1") = "6"
    & skf21("4","7","4","7","3","2","3","1") = "6"
    & skf21("4","7","4","7","3","2","4","1") = "6"
    & skf21("4","7","4","7","3","2","5","1") = "6"
    & skf21("4","7","4","7","3","2","6","1") = "6"
    & skf21("4","7","4","7","3","2","7","1") = "6"
    & skf21("4","7","4","7","3","3","1","1") = "6"
    & skf21("4","7","4","7","3","3","2","1") = "6"
    & skf21("4","7","4","7","3","3","3","1") = "6"
    & skf21("4","7","4","7","3","3","4","1") = "6"
    & skf21("4","7","4","7","3","3","5","1") = "6"
    & skf21("4","7","4","7","3","3","6","1") = "6"
    & skf21("4","7","4","7","3","3","7","1") = "6"
    & skf21("4","7","4","7","3","4","1","1") = "6"
    & skf21("4","7","4","7","3","4","2","1") = "6"
    & skf21("4","7","4","7","3","4","3","1") = "6"
    & skf21("4","7","4","7","3","4","4","1") = "6"
    & skf21("4","7","4","7","3","4","5","1") = "6"
    & skf21("4","7","4","7","3","4","6","1") = "6"
    & skf21("4","7","4","7","3","4","7","1") = "6"
    & skf21("4","7","4","7","3","5","1","1") = "6"
    & skf21("4","7","4","7","3","5","2","1") = "6"
    & skf21("4","7","4","7","3","5","3","1") = "6"
    & skf21("4","7","4","7","3","5","4","1") = "6"
    & skf21("4","7","4","7","3","5","5","1") = "6"
    & skf21("4","7","4","7","3","5","6","1") = "6"
    & skf21("4","7","4","7","3","5","7","1") = "6"
    & skf21("4","7","4","7","3","6","1","1") = "6"
    & skf21("4","7","4","7","3","6","2","1") = "6"
    & skf21("4","7","4","7","3","6","3","1") = "6"
    & skf21("4","7","4","7","3","6","4","1") = "6"
    & skf21("4","7","4","7","3","6","5","1") = "6"
    & skf21("4","7","4","7","3","6","6","1") = "6"
    & skf21("4","7","4","7","3","6","7","1") = "6"
    & skf21("4","7","4","7","3","7","1","1") = "6"
    & skf21("4","7","4","7","3","7","2","1") = "6"
    & skf21("4","7","4","7","3","7","3","1") = "6"
    & skf21("4","7","4","7","3","7","4","1") = "6"
    & skf21("4","7","4","7","3","7","5","1") = "6"
    & skf21("4","7","4","7","3","7","6","1") = "6"
    & skf21("4","7","4","7","3","7","7","1") = "6"
    & skf21("4","7","4","7","4","1","1","1") = "6"
    & skf21("4","7","4","7","4","1","2","1") = "6"
    & skf21("4","7","4","7","4","1","3","1") = "6"
    & skf21("4","7","4","7","4","1","4","1") = "6"
    & skf21("4","7","4","7","4","1","5","1") = "6"
    & skf21("4","7","4","7","4","1","6","1") = "6"
    & skf21("4","7","4","7","4","1","7","1") = "6"
    & skf21("4","7","4","7","4","2","1","1") = "6"
    & skf21("4","7","4","7","4","2","2","1") = "6"
    & skf21("4","7","4","7","4","2","3","1") = "6"
    & skf21("4","7","4","7","4","2","4","1") = "6"
    & skf21("4","7","4","7","4","2","5","1") = "6"
    & skf21("4","7","4","7","4","2","6","1") = "6"
    & skf21("4","7","4","7","4","2","7","1") = "6"
    & skf21("4","7","4","7","4","3","1","1") = "6"
    & skf21("4","7","4","7","4","3","2","1") = "6"
    & skf21("4","7","4","7","4","3","3","1") = "6"
    & skf21("4","7","4","7","4","3","4","1") = "6"
    & skf21("4","7","4","7","4","3","5","1") = "6"
    & skf21("4","7","4","7","4","3","6","1") = "6"
    & skf21("4","7","4","7","4","3","7","1") = "6"
    & skf21("4","7","4","7","4","4","1","1") = "6"
    & skf21("4","7","4","7","4","4","2","1") = "6"
    & skf21("4","7","4","7","4","4","3","1") = "6"
    & skf21("4","7","4","7","4","4","4","1") = "6"
    & skf21("4","7","4","7","4","4","5","1") = "6"
    & skf21("4","7","4","7","4","4","6","1") = "6"
    & skf21("4","7","4","7","4","4","7","1") = "6"
    & skf21("4","7","4","7","4","5","1","1") = "6"
    & skf21("4","7","4","7","4","5","2","1") = "6"
    & skf21("4","7","4","7","4","5","3","1") = "6"
    & skf21("4","7","4","7","4","5","4","1") = "6"
    & skf21("4","7","4","7","4","5","5","1") = "6"
    & skf21("4","7","4","7","4","5","6","1") = "6"
    & skf21("4","7","4","7","4","5","7","1") = "6"
    & skf21("4","7","4","7","4","6","1","1") = "6"
    & skf21("4","7","4","7","4","6","2","1") = "6"
    & skf21("4","7","4","7","4","6","3","1") = "6"
    & skf21("4","7","4","7","4","6","4","1") = "6"
    & skf21("4","7","4","7","4","6","5","1") = "6"
    & skf21("4","7","4","7","4","6","6","1") = "6"
    & skf21("4","7","4","7","4","6","7","1") = "6"
    & skf21("4","7","4","7","4","7","1","1") = "6"
    & skf21("4","7","4","7","4","7","2","1") = "6"
    & skf21("4","7","4","7","4","7","3","1") = "6"
    & skf21("4","7","4","7","4","7","4","1") = "6"
    & skf21("4","7","4","7","4","7","5","1") = "6"
    & skf21("4","7","4","7","4","7","6","1") = "6"
    & skf21("4","7","4","7","4","7","7","1") = "6"
    & skf21("4","7","4","7","5","1","1","1") = "6"
    & skf21("4","7","4","7","5","1","2","1") = "6"
    & skf21("4","7","4","7","5","1","3","1") = "6"
    & skf21("4","7","4","7","5","1","4","1") = "6"
    & skf21("4","7","4","7","5","1","5","1") = "6"
    & skf21("4","7","4","7","5","1","6","1") = "6"
    & skf21("4","7","4","7","5","1","7","1") = "6"
    & skf21("4","7","4","7","5","2","1","1") = "6"
    & skf21("4","7","4","7","5","2","2","1") = "6"
    & skf21("4","7","4","7","5","2","3","1") = "6"
    & skf21("4","7","4","7","5","2","4","1") = "6"
    & skf21("4","7","4","7","5","2","5","1") = "6"
    & skf21("4","7","4","7","5","2","6","1") = "6"
    & skf21("4","7","4","7","5","2","7","1") = "6"
    & skf21("4","7","4","7","5","3","1","1") = "6"
    & skf21("4","7","4","7","5","3","2","1") = "6"
    & skf21("4","7","4","7","5","3","3","1") = "6"
    & skf21("4","7","4","7","5","3","4","1") = "6"
    & skf21("4","7","4","7","5","3","5","1") = "6"
    & skf21("4","7","4","7","5","3","6","1") = "6"
    & skf21("4","7","4","7","5","3","7","1") = "6"
    & skf21("4","7","4","7","5","4","1","1") = "6"
    & skf21("4","7","4","7","5","4","2","1") = "6"
    & skf21("4","7","4","7","5","4","3","1") = "6"
    & skf21("4","7","4","7","5","4","4","1") = "6"
    & skf21("4","7","4","7","5","4","5","1") = "6"
    & skf21("4","7","4","7","5","4","6","1") = "6"
    & skf21("4","7","4","7","5","4","7","1") = "6"
    & skf21("4","7","4","7","5","5","1","1") = "6"
    & skf21("4","7","4","7","5","5","2","1") = "6"
    & skf21("4","7","4","7","5","5","3","1") = "6"
    & skf21("4","7","4","7","5","5","4","1") = "6"
    & skf21("4","7","4","7","5","5","5","1") = "6"
    & skf21("4","7","4","7","5","5","6","1") = "6"
    & skf21("4","7","4","7","5","5","7","1") = "6"
    & skf21("4","7","4","7","5","6","1","1") = "6"
    & skf21("4","7","4","7","5","6","2","1") = "6"
    & skf21("4","7","4","7","5","6","3","1") = "6"
    & skf21("4","7","4","7","5","6","4","1") = "6"
    & skf21("4","7","4","7","5","6","5","1") = "6"
    & skf21("4","7","4","7","5","6","6","1") = "6"
    & skf21("4","7","4","7","5","6","7","1") = "6"
    & skf21("4","7","4","7","5","7","1","1") = "6"
    & skf21("4","7","4","7","5","7","2","1") = "6"
    & skf21("4","7","4","7","5","7","3","1") = "6"
    & skf21("4","7","4","7","5","7","4","1") = "6"
    & skf21("4","7","4","7","5","7","5","1") = "6"
    & skf21("4","7","4","7","5","7","6","1") = "6"
    & skf21("4","7","4","7","5","7","7","1") = "6"
    & skf21("4","7","4","7","6","1","1","1") = "6"
    & skf21("4","7","4","7","6","1","2","1") = "6"
    & skf21("4","7","4","7","6","1","3","1") = "6"
    & skf21("4","7","4","7","6","1","4","1") = "6"
    & skf21("4","7","4","7","6","1","5","1") = "6"
    & skf21("4","7","4","7","6","1","6","1") = "6"
    & skf21("4","7","4","7","6","1","7","1") = "6"
    & skf21("4","7","4","7","6","2","1","1") = "6"
    & skf21("4","7","4","7","6","2","2","1") = "6"
    & skf21("4","7","4","7","6","2","3","1") = "6"
    & skf21("4","7","4","7","6","2","4","1") = "6"
    & skf21("4","7","4","7","6","2","5","1") = "6"
    & skf21("4","7","4","7","6","2","6","1") = "6"
    & skf21("4","7","4","7","6","2","7","1") = "6"
    & skf21("4","7","4","7","6","3","1","1") = "6"
    & skf21("4","7","4","7","6","3","2","1") = "6"
    & skf21("4","7","4","7","6","3","3","1") = "6"
    & skf21("4","7","4","7","6","3","4","1") = "6"
    & skf21("4","7","4","7","6","3","5","1") = "6"
    & skf21("4","7","4","7","6","3","6","1") = "6"
    & skf21("4","7","4","7","6","3","7","1") = "6"
    & skf21("4","7","4","7","6","4","1","1") = "6"
    & skf21("4","7","4","7","6","4","2","1") = "6"
    & skf21("4","7","4","7","6","4","3","1") = "6"
    & skf21("4","7","4","7","6","4","4","1") = "6"
    & skf21("4","7","4","7","6","4","5","1") = "6"
    & skf21("4","7","4","7","6","4","6","1") = "6"
    & skf21("4","7","4","7","6","4","7","1") = "6"
    & skf21("4","7","4","7","6","5","1","1") = "6"
    & skf21("4","7","4","7","6","5","2","1") = "6"
    & skf21("4","7","4","7","6","5","3","1") = "6"
    & skf21("4","7","4","7","6","5","4","1") = "6"
    & skf21("4","7","4","7","6","5","5","1") = "6"
    & skf21("4","7","4","7","6","5","6","1") = "6"
    & skf21("4","7","4","7","6","5","7","1") = "6"
    & skf21("4","7","4","7","6","6","1","1") = "6"
    & skf21("4","7","4","7","6","6","2","1") = "6"
    & skf21("4","7","4","7","6","6","3","1") = "6"
    & skf21("4","7","4","7","6","6","4","1") = "6"
    & skf21("4","7","4","7","6","6","5","1") = "6"
    & skf21("4","7","4","7","6","6","6","1") = "6"
    & skf21("4","7","4","7","6","6","7","1") = "6"
    & skf21("4","7","4","7","6","7","1","1") = "6"
    & skf21("4","7","4","7","6","7","2","1") = "6"
    & skf21("4","7","4","7","6","7","3","1") = "6"
    & skf21("4","7","4","7","6","7","4","1") = "6"
    & skf21("4","7","4","7","6","7","5","1") = "6"
    & skf21("4","7","4","7","6","7","6","1") = "6"
    & skf21("4","7","4","7","6","7","7","1") = "6"
    & skf21("4","7","4","7","7","1","1","1") = "6"
    & skf21("4","7","4","7","7","1","2","1") = "6"
    & skf21("4","7","4","7","7","1","3","1") = "6"
    & skf21("4","7","4","7","7","1","4","1") = "6"
    & skf21("4","7","4","7","7","1","5","1") = "6"
    & skf21("4","7","4","7","7","1","6","1") = "6"
    & skf21("4","7","4","7","7","1","7","1") = "6"
    & skf21("4","7","4","7","7","2","1","1") = "6"
    & skf21("4","7","4","7","7","2","2","1") = "6"
    & skf21("4","7","4","7","7","2","3","1") = "6"
    & skf21("4","7","4","7","7","2","4","1") = "6"
    & skf21("4","7","4","7","7","2","5","1") = "6"
    & skf21("4","7","4","7","7","2","6","1") = "6"
    & skf21("4","7","4","7","7","2","7","1") = "6"
    & skf21("4","7","4","7","7","3","1","1") = "6"
    & skf21("4","7","4","7","7","3","2","1") = "6"
    & skf21("4","7","4","7","7","3","3","1") = "6"
    & skf21("4","7","4","7","7","3","4","1") = "6"
    & skf21("4","7","4","7","7","3","5","1") = "6"
    & skf21("4","7","4","7","7","3","6","1") = "6"
    & skf21("4","7","4","7","7","3","7","1") = "6"
    & skf21("4","7","4","7","7","4","1","1") = "6"
    & skf21("4","7","4","7","7","4","2","1") = "6"
    & skf21("4","7","4","7","7","4","3","1") = "6"
    & skf21("4","7","4","7","7","4","4","1") = "6"
    & skf21("4","7","4","7","7","4","5","1") = "6"
    & skf21("4","7","4","7","7","4","6","1") = "6"
    & skf21("4","7","4","7","7","4","7","1") = "6"
    & skf21("4","7","4","7","7","5","1","1") = "6"
    & skf21("4","7","4","7","7","5","2","1") = "6"
    & skf21("4","7","4","7","7","5","3","1") = "6"
    & skf21("4","7","4","7","7","5","4","1") = "6"
    & skf21("4","7","4","7","7","5","5","1") = "6"
    & skf21("4","7","4","7","7","5","6","1") = "6"
    & skf21("4","7","4","7","7","5","7","1") = "6"
    & skf21("4","7","4","7","7","6","1","1") = "6"
    & skf21("4","7","4","7","7","6","2","1") = "6"
    & skf21("4","7","4","7","7","6","3","1") = "6"
    & skf21("4","7","4","7","7","6","4","1") = "6"
    & skf21("4","7","4","7","7","6","5","1") = "6"
    & skf21("4","7","4","7","7","6","6","1") = "6"
    & skf21("4","7","4","7","7","6","7","1") = "6"
    & skf21("4","7","4","7","7","7","1","1") = "6"
    & skf21("4","7","4","7","7","7","2","1") = "6"
    & skf21("4","7","4","7","7","7","3","1") = "6"
    & skf21("4","7","4","7","7","7","4","1") = "6"
    & skf21("4","7","4","7","7","7","5","1") = "6"
    & skf21("4","7","4","7","7","7","6","1") = "6"
    & skf21("4","7","4","7","7","7","7","1") = "6"
    & skf21("4","7","5","1","1","1","1","1") = "6"
    & skf21("4","7","5","1","1","1","2","1") = "6"
    & skf21("4","7","5","1","1","1","3","1") = "6"
    & skf21("4","7","5","1","1","1","4","1") = "6"
    & skf21("4","7","5","1","1","1","5","1") = "6"
    & skf21("4","7","5","1","1","1","6","1") = "6"
    & skf21("4","7","5","1","1","1","7","1") = "6"
    & skf21("4","7","5","1","1","2","1","1") = "6"
    & skf21("4","7","5","1","1","2","2","1") = "6"
    & skf21("4","7","5","1","1","2","3","1") = "6"
    & skf21("4","7","5","1","1","2","4","1") = "6"
    & skf21("4","7","5","1","1","2","5","1") = "6"
    & skf21("4","7","5","1","1","2","6","1") = "6"
    & skf21("4","7","5","1","1","2","7","1") = "6"
    & skf21("4","7","5","1","1","3","1","1") = "6"
    & skf21("4","7","5","1","1","3","2","1") = "6"
    & skf21("4","7","5","1","1","3","3","1") = "6"
    & skf21("4","7","5","1","1","3","4","1") = "6"
    & skf21("4","7","5","1","1","3","5","1") = "6"
    & skf21("4","7","5","1","1","3","6","1") = "6"
    & skf21("4","7","5","1","1","3","7","1") = "6"
    & skf21("4","7","5","1","1","4","1","1") = "6"
    & skf21("4","7","5","1","1","4","2","1") = "6"
    & skf21("4","7","5","1","1","4","3","1") = "6"
    & skf21("4","7","5","1","1","4","4","1") = "6"
    & skf21("4","7","5","1","1","4","5","1") = "6"
    & skf21("4","7","5","1","1","4","6","1") = "6"
    & skf21("4","7","5","1","1","4","7","1") = "6"
    & skf21("4","7","5","1","1","5","1","1") = "6"
    & skf21("4","7","5","1","1","5","2","1") = "6"
    & skf21("4","7","5","1","1","5","3","1") = "6"
    & skf21("4","7","5","1","1","5","4","1") = "6"
    & skf21("4","7","5","1","1","5","5","1") = "6"
    & skf21("4","7","5","1","1","5","6","1") = "6"
    & skf21("4","7","5","1","1","5","7","1") = "6"
    & skf21("4","7","5","1","1","6","1","1") = "6"
    & skf21("4","7","5","1","1","6","2","1") = "6"
    & skf21("4","7","5","1","1","6","3","1") = "6"
    & skf21("4","7","5","1","1","6","4","1") = "6"
    & skf21("4","7","5","1","1","6","5","1") = "6"
    & skf21("4","7","5","1","1","6","6","1") = "6"
    & skf21("4","7","5","1","1","6","7","1") = "6"
    & skf21("4","7","5","1","1","7","1","1") = "6"
    & skf21("4","7","5","1","1","7","2","1") = "6"
    & skf21("4","7","5","1","1","7","3","1") = "6"
    & skf21("4","7","5","1","1","7","4","1") = "6"
    & skf21("4","7","5","1","1","7","5","1") = "6"
    & skf21("4","7","5","1","1","7","6","1") = "6"
    & skf21("4","7","5","1","1","7","7","1") = "6"
    & skf21("4","7","5","1","2","1","1","1") = "6"
    & skf21("4","7","5","1","2","1","2","1") = "6"
    & skf21("4","7","5","1","2","1","3","1") = "6"
    & skf21("4","7","5","1","2","1","4","1") = "6"
    & skf21("4","7","5","1","2","1","5","1") = "6"
    & skf21("4","7","5","1","2","1","6","1") = "6"
    & skf21("4","7","5","1","2","1","7","1") = "6"
    & skf21("4","7","5","1","2","2","1","1") = "6"
    & skf21("4","7","5","1","2","2","2","1") = "6"
    & skf21("4","7","5","1","2","2","3","1") = "6"
    & skf21("4","7","5","1","2","2","4","1") = "6"
    & skf21("4","7","5","1","2","2","5","1") = "6"
    & skf21("4","7","5","1","2","2","6","1") = "6"
    & skf21("4","7","5","1","2","2","7","1") = "6"
    & skf21("4","7","5","1","2","3","1","1") = "6"
    & skf21("4","7","5","1","2","3","2","1") = "6"
    & skf21("4","7","5","1","2","3","3","1") = "6"
    & skf21("4","7","5","1","2","3","4","1") = "6"
    & skf21("4","7","5","1","2","3","5","1") = "6"
    & skf21("4","7","5","1","2","3","6","1") = "6"
    & skf21("4","7","5","1","2","3","7","1") = "6"
    & skf21("4","7","5","1","2","4","1","1") = "6"
    & skf21("4","7","5","1","2","4","2","1") = "6"
    & skf21("4","7","5","1","2","4","3","1") = "6"
    & skf21("4","7","5","1","2","4","4","1") = "6"
    & skf21("4","7","5","1","2","4","5","1") = "6"
    & skf21("4","7","5","1","2","4","6","1") = "6"
    & skf21("4","7","5","1","2","4","7","1") = "6"
    & skf21("4","7","5","1","2","5","1","1") = "6"
    & skf21("4","7","5","1","2","5","2","1") = "6"
    & skf21("4","7","5","1","2","5","3","1") = "6"
    & skf21("4","7","5","1","2","5","4","1") = "6"
    & skf21("4","7","5","1","2","5","5","1") = "6"
    & skf21("4","7","5","1","2","5","6","1") = "6"
    & skf21("4","7","5","1","2","5","7","1") = "6"
    & skf21("4","7","5","1","2","6","1","1") = "6"
    & skf21("4","7","5","1","2","6","2","1") = "6"
    & skf21("4","7","5","1","2","6","3","1") = "6"
    & skf21("4","7","5","1","2","6","4","1") = "6"
    & skf21("4","7","5","1","2","6","5","1") = "6"
    & skf21("4","7","5","1","2","6","6","1") = "6"
    & skf21("4","7","5","1","2","6","7","1") = "6"
    & skf21("4","7","5","1","2","7","1","1") = "6"
    & skf21("4","7","5","1","2","7","2","1") = "6"
    & skf21("4","7","5","1","2","7","3","1") = "6"
    & skf21("4","7","5","1","2","7","4","1") = "6"
    & skf21("4","7","5","1","2","7","5","1") = "6"
    & skf21("4","7","5","1","2","7","6","1") = "6"
    & skf21("4","7","5","1","2","7","7","1") = "6"
    & skf21("4","7","5","1","3","1","1","1") = "6"
    & skf21("4","7","5","1","3","1","2","1") = "6"
    & skf21("4","7","5","1","3","1","3","1") = "6"
    & skf21("4","7","5","1","3","1","4","1") = "6"
    & skf21("4","7","5","1","3","1","5","1") = "6"
    & skf21("4","7","5","1","3","1","6","1") = "6"
    & skf21("4","7","5","1","3","1","7","1") = "6"
    & skf21("4","7","5","1","3","2","1","1") = "6"
    & skf21("4","7","5","1","3","2","2","1") = "6"
    & skf21("4","7","5","1","3","2","3","1") = "6"
    & skf21("4","7","5","1","3","2","4","1") = "6"
    & skf21("4","7","5","1","3","2","5","1") = "6"
    & skf21("4","7","5","1","3","2","6","1") = "6"
    & skf21("4","7","5","1","3","2","7","1") = "6"
    & skf21("4","7","5","1","3","3","1","1") = "6"
    & skf21("4","7","5","1","3","3","2","1") = "6"
    & skf21("4","7","5","1","3","3","3","1") = "6"
    & skf21("4","7","5","1","3","3","4","1") = "6"
    & skf21("4","7","5","1","3","3","5","1") = "6"
    & skf21("4","7","5","1","3","3","6","1") = "6"
    & skf21("4","7","5","1","3","3","7","1") = "6"
    & skf21("4","7","5","1","3","4","1","1") = "6"
    & skf21("4","7","5","1","3","4","2","1") = "6"
    & skf21("4","7","5","1","3","4","3","1") = "6"
    & skf21("4","7","5","1","3","4","4","1") = "6"
    & skf21("4","7","5","1","3","4","5","1") = "6"
    & skf21("4","7","5","1","3","4","6","1") = "6"
    & skf21("4","7","5","1","3","4","7","1") = "6"
    & skf21("4","7","5","1","3","5","1","1") = "6"
    & skf21("4","7","5","1","3","5","2","1") = "6"
    & skf21("4","7","5","1","3","5","3","1") = "6"
    & skf21("4","7","5","1","3","5","4","1") = "6"
    & skf21("4","7","5","1","3","5","5","1") = "6"
    & skf21("4","7","5","1","3","5","6","1") = "6"
    & skf21("4","7","5","1","3","5","7","1") = "6"
    & skf21("4","7","5","1","3","6","1","1") = "6"
    & skf21("4","7","5","1","3","6","2","1") = "6"
    & skf21("4","7","5","1","3","6","3","1") = "6"
    & skf21("4","7","5","1","3","6","4","1") = "6"
    & skf21("4","7","5","1","3","6","5","1") = "6"
    & skf21("4","7","5","1","3","6","6","1") = "6"
    & skf21("4","7","5","1","3","6","7","1") = "6"
    & skf21("4","7","5","1","3","7","1","1") = "6"
    & skf21("4","7","5","1","3","7","2","1") = "6"
    & skf21("4","7","5","1","3","7","3","1") = "6"
    & skf21("4","7","5","1","3","7","4","1") = "6"
    & skf21("4","7","5","1","3","7","5","1") = "6"
    & skf21("4","7","5","1","3","7","6","1") = "6"
    & skf21("4","7","5","1","3","7","7","1") = "6"
    & skf21("4","7","5","1","4","1","1","1") = "6"
    & skf21("4","7","5","1","4","1","2","1") = "6"
    & skf21("4","7","5","1","4","1","3","1") = "6"
    & skf21("4","7","5","1","4","1","4","1") = "6"
    & skf21("4","7","5","1","4","1","5","1") = "6"
    & skf21("4","7","5","1","4","1","6","1") = "6"
    & skf21("4","7","5","1","4","1","7","1") = "6"
    & skf21("4","7","5","1","4","2","1","1") = "6"
    & skf21("4","7","5","1","4","2","2","1") = "6"
    & skf21("4","7","5","1","4","2","3","1") = "6"
    & skf21("4","7","5","1","4","2","4","1") = "6"
    & skf21("4","7","5","1","4","2","5","1") = "6"
    & skf21("4","7","5","1","4","2","6","1") = "6"
    & skf21("4","7","5","1","4","2","7","1") = "6"
    & skf21("4","7","5","1","4","3","1","1") = "6"
    & skf21("4","7","5","1","4","3","2","1") = "6"
    & skf21("4","7","5","1","4","3","3","1") = "6"
    & skf21("4","7","5","1","4","3","4","1") = "6"
    & skf21("4","7","5","1","4","3","5","1") = "6"
    & skf21("4","7","5","1","4","3","6","1") = "6"
    & skf21("4","7","5","1","4","3","7","1") = "6"
    & skf21("4","7","5","1","4","4","1","1") = "6"
    & skf21("4","7","5","1","4","4","2","1") = "6"
    & skf21("4","7","5","1","4","4","3","1") = "6"
    & skf21("4","7","5","1","4","4","4","1") = "6"
    & skf21("4","7","5","1","4","4","5","1") = "6"
    & skf21("4","7","5","1","4","4","6","1") = "6"
    & skf21("4","7","5","1","4","4","7","1") = "6"
    & skf21("4","7","5","1","4","5","1","1") = "6"
    & skf21("4","7","5","1","4","5","2","1") = "6"
    & skf21("4","7","5","1","4","5","3","1") = "6"
    & skf21("4","7","5","1","4","5","4","1") = "6"
    & skf21("4","7","5","1","4","5","5","1") = "6"
    & skf21("4","7","5","1","4","5","6","1") = "6"
    & skf21("4","7","5","1","4","5","7","1") = "6"
    & skf21("4","7","5","1","4","6","1","1") = "6"
    & skf21("4","7","5","1","4","6","2","1") = "6"
    & skf21("4","7","5","1","4","6","3","1") = "6"
    & skf21("4","7","5","1","4","6","4","1") = "6"
    & skf21("4","7","5","1","4","6","5","1") = "6"
    & skf21("4","7","5","1","4","6","6","1") = "6"
    & skf21("4","7","5","1","4","6","7","1") = "6"
    & skf21("4","7","5","1","4","7","1","1") = "6"
    & skf21("4","7","5","1","4","7","2","1") = "6"
    & skf21("4","7","5","1","4","7","3","1") = "6"
    & skf21("4","7","5","1","4","7","4","1") = "6"
    & skf21("4","7","5","1","4","7","5","1") = "6"
    & skf21("4","7","5","1","4","7","6","1") = "6"
    & skf21("4","7","5","1","4","7","7","1") = "6"
    & skf21("4","7","5","1","5","1","1","1") = "6"
    & skf21("4","7","5","1","5","1","2","1") = "6"
    & skf21("4","7","5","1","5","1","3","1") = "6"
    & skf21("4","7","5","1","5","1","4","1") = "6"
    & skf21("4","7","5","1","5","1","5","1") = "6"
    & skf21("4","7","5","1","5","1","6","1") = "6"
    & skf21("4","7","5","1","5","1","7","1") = "6"
    & skf21("4","7","5","1","5","2","1","1") = "6"
    & skf21("4","7","5","1","5","2","2","1") = "6"
    & skf21("4","7","5","1","5","2","3","1") = "6"
    & skf21("4","7","5","1","5","2","4","1") = "6"
    & skf21("4","7","5","1","5","2","5","1") = "6"
    & skf21("4","7","5","1","5","2","6","1") = "6"
    & skf21("4","7","5","1","5","2","7","1") = "6"
    & skf21("4","7","5","1","5","3","1","1") = "6"
    & skf21("4","7","5","1","5","3","2","1") = "6"
    & skf21("4","7","5","1","5","3","3","1") = "6"
    & skf21("4","7","5","1","5","3","4","1") = "6"
    & skf21("4","7","5","1","5","3","5","1") = "6"
    & skf21("4","7","5","1","5","3","6","1") = "6"
    & skf21("4","7","5","1","5","3","7","1") = "6"
    & skf21("4","7","5","1","5","4","1","1") = "6"
    & skf21("4","7","5","1","5","4","2","1") = "6"
    & skf21("4","7","5","1","5","4","3","1") = "6"
    & skf21("4","7","5","1","5","4","4","1") = "6"
    & skf21("4","7","5","1","5","4","5","1") = "6"
    & skf21("4","7","5","1","5","4","6","1") = "6"
    & skf21("4","7","5","1","5","4","7","1") = "6"
    & skf21("4","7","5","1","5","5","1","1") = "6"
    & skf21("4","7","5","1","5","5","2","1") = "6"
    & skf21("4","7","5","1","5","5","3","1") = "6"
    & skf21("4","7","5","1","5","5","4","1") = "6"
    & skf21("4","7","5","1","5","5","5","1") = "6"
    & skf21("4","7","5","1","5","5","6","1") = "6"
    & skf21("4","7","5","1","5","5","7","1") = "6"
    & skf21("4","7","5","1","5","6","1","1") = "6"
    & skf21("4","7","5","1","5","6","2","1") = "6"
    & skf21("4","7","5","1","5","6","3","1") = "6"
    & skf21("4","7","5","1","5","6","4","1") = "6"
    & skf21("4","7","5","1","5","6","5","1") = "6"
    & skf21("4","7","5","1","5","6","6","1") = "6"
    & skf21("4","7","5","1","5","6","7","1") = "6"
    & skf21("4","7","5","1","5","7","1","1") = "6"
    & skf21("4","7","5","1","5","7","2","1") = "6"
    & skf21("4","7","5","1","5","7","3","1") = "6"
    & skf21("4","7","5","1","5","7","4","1") = "6"
    & skf21("4","7","5","1","5","7","5","1") = "6"
    & skf21("4","7","5","1","5","7","6","1") = "6"
    & skf21("4","7","5","1","5","7","7","1") = "6"
    & skf21("4","7","5","1","6","1","1","1") = "6"
    & skf21("4","7","5","1","6","1","2","1") = "6"
    & skf21("4","7","5","1","6","1","3","1") = "6"
    & skf21("4","7","5","1","6","1","4","1") = "6"
    & skf21("4","7","5","1","6","1","5","1") = "6"
    & skf21("4","7","5","1","6","1","6","1") = "6"
    & skf21("4","7","5","1","6","1","7","1") = "6"
    & skf21("4","7","5","1","6","2","1","1") = "6"
    & skf21("4","7","5","1","6","2","2","1") = "6"
    & skf21("4","7","5","1","6","2","3","1") = "6"
    & skf21("4","7","5","1","6","2","4","1") = "6"
    & skf21("4","7","5","1","6","2","5","1") = "6"
    & skf21("4","7","5","1","6","2","6","1") = "6"
    & skf21("4","7","5","1","6","2","7","1") = "6"
    & skf21("4","7","5","1","6","3","1","1") = "6"
    & skf21("4","7","5","1","6","3","2","1") = "6"
    & skf21("4","7","5","1","6","3","3","1") = "6"
    & skf21("4","7","5","1","6","3","4","1") = "6"
    & skf21("4","7","5","1","6","3","5","1") = "6"
    & skf21("4","7","5","1","6","3","6","1") = "6"
    & skf21("4","7","5","1","6","3","7","1") = "6"
    & skf21("4","7","5","1","6","4","1","1") = "6"
    & skf21("4","7","5","1","6","4","2","1") = "6"
    & skf21("4","7","5","1","6","4","3","1") = "6"
    & skf21("4","7","5","1","6","4","4","1") = "6"
    & skf21("4","7","5","1","6","4","5","1") = "6"
    & skf21("4","7","5","1","6","4","6","1") = "6"
    & skf21("4","7","5","1","6","4","7","1") = "6"
    & skf21("4","7","5","1","6","5","1","1") = "6"
    & skf21("4","7","5","1","6","5","2","1") = "6"
    & skf21("4","7","5","1","6","5","3","1") = "6"
    & skf21("4","7","5","1","6","5","4","1") = "6"
    & skf21("4","7","5","1","6","5","5","1") = "6"
    & skf21("4","7","5","1","6","5","6","1") = "6"
    & skf21("4","7","5","1","6","5","7","1") = "6"
    & skf21("4","7","5","1","6","6","1","1") = "6"
    & skf21("4","7","5","1","6","6","2","1") = "6"
    & skf21("4","7","5","1","6","6","3","1") = "6"
    & skf21("4","7","5","1","6","6","4","1") = "6"
    & skf21("4","7","5","1","6","6","5","1") = "6"
    & skf21("4","7","5","1","6","6","6","1") = "6"
    & skf21("4","7","5","1","6","6","7","1") = "6"
    & skf21("4","7","5","1","6","7","1","1") = "6"
    & skf21("4","7","5","1","6","7","2","1") = "6"
    & skf21("4","7","5","1","6","7","3","1") = "6"
    & skf21("4","7","5","1","6","7","4","1") = "6"
    & skf21("4","7","5","1","6","7","5","1") = "6"
    & skf21("4","7","5","1","6","7","6","1") = "6"
    & skf21("4","7","5","1","6","7","7","1") = "6"
    & skf21("4","7","5","1","7","1","1","1") = "6"
    & skf21("4","7","5","1","7","1","2","1") = "6"
    & skf21("4","7","5","1","7","1","3","1") = "6"
    & skf21("4","7","5","1","7","1","4","1") = "6"
    & skf21("4","7","5","1","7","1","5","1") = "6"
    & skf21("4","7","5","1","7","1","6","1") = "6"
    & skf21("4","7","5","1","7","1","7","1") = "6"
    & skf21("4","7","5","1","7","2","1","1") = "6"
    & skf21("4","7","5","1","7","2","2","1") = "6"
    & skf21("4","7","5","1","7","2","3","1") = "6"
    & skf21("4","7","5","1","7","2","4","1") = "6"
    & skf21("4","7","5","1","7","2","5","1") = "6"
    & skf21("4","7","5","1","7","2","6","1") = "6"
    & skf21("4","7","5","1","7","2","7","1") = "6"
    & skf21("4","7","5","1","7","3","1","1") = "6"
    & skf21("4","7","5","1","7","3","2","1") = "6"
    & skf21("4","7","5","1","7","3","3","1") = "6"
    & skf21("4","7","5","1","7","3","4","1") = "6"
    & skf21("4","7","5","1","7","3","5","1") = "6"
    & skf21("4","7","5","1","7","3","6","1") = "6"
    & skf21("4","7","5","1","7","3","7","1") = "6"
    & skf21("4","7","5","1","7","4","1","1") = "6"
    & skf21("4","7","5","1","7","4","2","1") = "6"
    & skf21("4","7","5","1","7","4","3","1") = "6"
    & skf21("4","7","5","1","7","4","4","1") = "6"
    & skf21("4","7","5","1","7","4","5","1") = "6"
    & skf21("4","7","5","1","7","4","6","1") = "6"
    & skf21("4","7","5","1","7","4","7","1") = "6"
    & skf21("4","7","5","1","7","5","1","1") = "6"
    & skf21("4","7","5","1","7","5","2","1") = "6"
    & skf21("4","7","5","1","7","5","3","1") = "6"
    & skf21("4","7","5","1","7","5","4","1") = "6"
    & skf21("4","7","5","1","7","5","5","1") = "6"
    & skf21("4","7","5","1","7","5","6","1") = "6"
    & skf21("4","7","5","1","7","5","7","1") = "6"
    & skf21("4","7","5","1","7","6","1","1") = "6"
    & skf21("4","7","5","1","7","6","2","1") = "6"
    & skf21("4","7","5","1","7","6","3","1") = "6"
    & skf21("4","7","5","1","7","6","4","1") = "6"
    & skf21("4","7","5","1","7","6","5","1") = "6"
    & skf21("4","7","5","1","7","6","6","1") = "6"
    & skf21("4","7","5","1","7","6","7","1") = "6"
    & skf21("4","7","5","1","7","7","1","1") = "6"
    & skf21("4","7","5","1","7","7","2","1") = "6"
    & skf21("4","7","5","1","7","7","3","1") = "6"
    & skf21("4","7","5","1","7","7","4","1") = "6"
    & skf21("4","7","5","1","7","7","5","1") = "6"
    & skf21("4","7","5","1","7","7","6","1") = "6"
    & skf21("4","7","5","1","7","7","7","1") = "6"
    & skf21("4","7","5","2","1","1","1","1") = "6"
    & skf21("4","7","5","2","1","1","2","1") = "6"
    & skf21("4","7","5","2","1","1","3","1") = "6"
    & skf21("4","7","5","2","1","1","4","1") = "6"
    & skf21("4","7","5","2","1","1","5","1") = "6"
    & skf21("4","7","5","2","1","1","6","1") = "6"
    & skf21("4","7","5","2","1","1","7","1") = "6"
    & skf21("4","7","5","2","1","2","1","1") = "6"
    & skf21("4","7","5","2","1","2","2","1") = "6"
    & skf21("4","7","5","2","1","2","3","1") = "6"
    & skf21("4","7","5","2","1","2","4","1") = "6"
    & skf21("4","7","5","2","1","2","5","1") = "6"
    & skf21("4","7","5","2","1","2","6","1") = "6"
    & skf21("4","7","5","2","1","2","7","1") = "6"
    & skf21("4","7","5","2","1","3","1","1") = "6"
    & skf21("4","7","5","2","1","3","2","1") = "6"
    & skf21("4","7","5","2","1","3","3","1") = "6"
    & skf21("4","7","5","2","1","3","4","1") = "6"
    & skf21("4","7","5","2","1","3","5","1") = "6"
    & skf21("4","7","5","2","1","3","6","1") = "6"
    & skf21("4","7","5","2","1","3","7","1") = "6"
    & skf21("4","7","5","2","1","4","1","1") = "6"
    & skf21("4","7","5","2","1","4","2","1") = "6"
    & skf21("4","7","5","2","1","4","3","1") = "6"
    & skf21("4","7","5","2","1","4","4","1") = "6"
    & skf21("4","7","5","2","1","4","5","1") = "6"
    & skf21("4","7","5","2","1","4","6","1") = "6"
    & skf21("4","7","5","2","1","4","7","1") = "6"
    & skf21("4","7","5","2","1","5","1","1") = "6"
    & skf21("4","7","5","2","1","5","2","1") = "6"
    & skf21("4","7","5","2","1","5","3","1") = "6"
    & skf21("4","7","5","2","1","5","4","1") = "6"
    & skf21("4","7","5","2","1","5","5","1") = "6"
    & skf21("4","7","5","2","1","5","6","1") = "6"
    & skf21("4","7","5","2","1","5","7","1") = "6"
    & skf21("4","7","5","2","1","6","1","1") = "6"
    & skf21("4","7","5","2","1","6","2","1") = "6"
    & skf21("4","7","5","2","1","6","3","1") = "6"
    & skf21("4","7","5","2","1","6","4","1") = "6"
    & skf21("4","7","5","2","1","6","5","1") = "6"
    & skf21("4","7","5","2","1","6","6","1") = "6"
    & skf21("4","7","5","2","1","6","7","1") = "6"
    & skf21("4","7","5","2","1","7","1","1") = "6"
    & skf21("4","7","5","2","1","7","2","1") = "6"
    & skf21("4","7","5","2","1","7","3","1") = "6"
    & skf21("4","7","5","2","1","7","4","1") = "6"
    & skf21("4","7","5","2","1","7","5","1") = "6"
    & skf21("4","7","5","2","1","7","6","1") = "6"
    & skf21("4","7","5","2","1","7","7","1") = "6"
    & skf21("4","7","5","2","2","1","1","1") = "6"
    & skf21("4","7","5","2","2","1","2","1") = "6"
    & skf21("4","7","5","2","2","1","3","1") = "6"
    & skf21("4","7","5","2","2","1","4","1") = "6"
    & skf21("4","7","5","2","2","1","5","1") = "6"
    & skf21("4","7","5","2","2","1","6","1") = "6"
    & skf21("4","7","5","2","2","1","7","1") = "6"
    & skf21("4","7","5","2","2","2","1","1") = "6"
    & skf21("4","7","5","2","2","2","2","1") = "6"
    & skf21("4","7","5","2","2","2","3","1") = "6"
    & skf21("4","7","5","2","2","2","4","1") = "6"
    & skf21("4","7","5","2","2","2","5","1") = "6"
    & skf21("4","7","5","2","2","2","6","1") = "6"
    & skf21("4","7","5","2","2","2","7","1") = "6"
    & skf21("4","7","5","2","2","3","1","1") = "6"
    & skf21("4","7","5","2","2","3","2","1") = "6"
    & skf21("4","7","5","2","2","3","3","1") = "6"
    & skf21("4","7","5","2","2","3","4","1") = "6"
    & skf21("4","7","5","2","2","3","5","1") = "6"
    & skf21("4","7","5","2","2","3","6","1") = "6"
    & skf21("4","7","5","2","2","3","7","1") = "6"
    & skf21("4","7","5","2","2","4","1","1") = "6"
    & skf21("4","7","5","2","2","4","2","1") = "6"
    & skf21("4","7","5","2","2","4","3","1") = "6"
    & skf21("4","7","5","2","2","4","4","1") = "6"
    & skf21("4","7","5","2","2","4","5","1") = "6"
    & skf21("4","7","5","2","2","4","6","1") = "6"
    & skf21("4","7","5","2","2","4","7","1") = "6"
    & skf21("4","7","5","2","2","5","1","1") = "6"
    & skf21("4","7","5","2","2","5","2","1") = "6"
    & skf21("4","7","5","2","2","5","3","1") = "6"
    & skf21("4","7","5","2","2","5","4","1") = "6"
    & skf21("4","7","5","2","2","5","5","1") = "6"
    & skf21("4","7","5","2","2","5","6","1") = "6"
    & skf21("4","7","5","2","2","5","7","1") = "6"
    & skf21("4","7","5","2","2","6","1","1") = "6"
    & skf21("4","7","5","2","2","6","2","1") = "6"
    & skf21("4","7","5","2","2","6","3","1") = "6"
    & skf21("4","7","5","2","2","6","4","1") = "6"
    & skf21("4","7","5","2","2","6","5","1") = "6"
    & skf21("4","7","5","2","2","6","6","1") = "6"
    & skf21("4","7","5","2","2","6","7","1") = "6"
    & skf21("4","7","5","2","2","7","1","1") = "6"
    & skf21("4","7","5","2","2","7","2","1") = "6"
    & skf21("4","7","5","2","2","7","3","1") = "6"
    & skf21("4","7","5","2","2","7","4","1") = "6"
    & skf21("4","7","5","2","2","7","5","1") = "6"
    & skf21("4","7","5","2","2","7","6","1") = "6"
    & skf21("4","7","5","2","2","7","7","1") = "6"
    & skf21("4","7","5","2","3","1","1","1") = "6"
    & skf21("4","7","5","2","3","1","2","1") = "6"
    & skf21("4","7","5","2","3","1","3","1") = "6"
    & skf21("4","7","5","2","3","1","4","1") = "6"
    & skf21("4","7","5","2","3","1","5","1") = "6"
    & skf21("4","7","5","2","3","1","6","1") = "6"
    & skf21("4","7","5","2","3","1","7","1") = "6"
    & skf21("4","7","5","2","3","2","1","1") = "6"
    & skf21("4","7","5","2","3","2","2","1") = "6"
    & skf21("4","7","5","2","3","2","3","1") = "6"
    & skf21("4","7","5","2","3","2","4","1") = "6"
    & skf21("4","7","5","2","3","2","5","1") = "6"
    & skf21("4","7","5","2","3","2","6","1") = "6"
    & skf21("4","7","5","2","3","2","7","1") = "6"
    & skf21("4","7","5","2","3","3","1","1") = "6"
    & skf21("4","7","5","2","3","3","2","1") = "6"
    & skf21("4","7","5","2","3","3","3","1") = "6"
    & skf21("4","7","5","2","3","3","4","1") = "6"
    & skf21("4","7","5","2","3","3","5","1") = "6"
    & skf21("4","7","5","2","3","3","6","1") = "6"
    & skf21("4","7","5","2","3","3","7","1") = "6"
    & skf21("4","7","5","2","3","4","1","1") = "6"
    & skf21("4","7","5","2","3","4","2","1") = "6"
    & skf21("4","7","5","2","3","4","3","1") = "6"
    & skf21("4","7","5","2","3","4","4","1") = "6"
    & skf21("4","7","5","2","3","4","5","1") = "6"
    & skf21("4","7","5","2","3","4","6","1") = "6"
    & skf21("4","7","5","2","3","4","7","1") = "6"
    & skf21("4","7","5","2","3","5","1","1") = "6"
    & skf21("4","7","5","2","3","5","2","1") = "6"
    & skf21("4","7","5","2","3","5","3","1") = "6"
    & skf21("4","7","5","2","3","5","4","1") = "6"
    & skf21("4","7","5","2","3","5","5","1") = "6"
    & skf21("4","7","5","2","3","5","6","1") = "6"
    & skf21("4","7","5","2","3","5","7","1") = "6"
    & skf21("4","7","5","2","3","6","1","1") = "6"
    & skf21("4","7","5","2","3","6","2","1") = "6"
    & skf21("4","7","5","2","3","6","3","1") = "6"
    & skf21("4","7","5","2","3","6","4","1") = "6"
    & skf21("4","7","5","2","3","6","5","1") = "6"
    & skf21("4","7","5","2","3","6","6","1") = "6"
    & skf21("4","7","5","2","3","6","7","1") = "6"
    & skf21("4","7","5","2","3","7","1","1") = "6"
    & skf21("4","7","5","2","3","7","2","1") = "6"
    & skf21("4","7","5","2","3","7","3","1") = "6"
    & skf21("4","7","5","2","3","7","4","1") = "6"
    & skf21("4","7","5","2","3","7","5","1") = "6"
    & skf21("4","7","5","2","3","7","6","1") = "6"
    & skf21("4","7","5","2","3","7","7","1") = "6"
    & skf21("4","7","5","2","4","1","1","1") = "6"
    & skf21("4","7","5","2","4","1","2","1") = "6"
    & skf21("4","7","5","2","4","1","3","1") = "6"
    & skf21("4","7","5","2","4","1","4","1") = "6"
    & skf21("4","7","5","2","4","1","5","1") = "6"
    & skf21("4","7","5","2","4","1","6","1") = "6"
    & skf21("4","7","5","2","4","1","7","1") = "6"
    & skf21("4","7","5","2","4","2","1","1") = "6"
    & skf21("4","7","5","2","4","2","2","1") = "6"
    & skf21("4","7","5","2","4","2","3","1") = "6"
    & skf21("4","7","5","2","4","2","4","1") = "6"
    & skf21("4","7","5","2","4","2","5","1") = "6"
    & skf21("4","7","5","2","4","2","6","1") = "6"
    & skf21("4","7","5","2","4","2","7","1") = "6"
    & skf21("4","7","5","2","4","3","1","1") = "6"
    & skf21("4","7","5","2","4","3","2","1") = "6"
    & skf21("4","7","5","2","4","3","3","1") = "6"
    & skf21("4","7","5","2","4","3","4","1") = "6"
    & skf21("4","7","5","2","4","3","5","1") = "6"
    & skf21("4","7","5","2","4","3","6","1") = "6"
    & skf21("4","7","5","2","4","3","7","1") = "6"
    & skf21("4","7","5","2","4","4","1","1") = "6"
    & skf21("4","7","5","2","4","4","2","1") = "6"
    & skf21("4","7","5","2","4","4","3","1") = "6"
    & skf21("4","7","5","2","4","4","4","1") = "6"
    & skf21("4","7","5","2","4","4","5","1") = "6"
    & skf21("4","7","5","2","4","4","6","1") = "6"
    & skf21("4","7","5","2","4","4","7","1") = "6"
    & skf21("4","7","5","2","4","5","1","1") = "6"
    & skf21("4","7","5","2","4","5","2","1") = "6"
    & skf21("4","7","5","2","4","5","3","1") = "6"
    & skf21("4","7","5","2","4","5","4","1") = "6"
    & skf21("4","7","5","2","4","5","5","1") = "6"
    & skf21("4","7","5","2","4","5","6","1") = "6"
    & skf21("4","7","5","2","4","5","7","1") = "6"
    & skf21("4","7","5","2","4","6","1","1") = "6"
    & skf21("4","7","5","2","4","6","2","1") = "6"
    & skf21("4","7","5","2","4","6","3","1") = "6"
    & skf21("4","7","5","2","4","6","4","1") = "6"
    & skf21("4","7","5","2","4","6","5","1") = "6"
    & skf21("4","7","5","2","4","6","6","1") = "6"
    & skf21("4","7","5","2","4","6","7","1") = "6"
    & skf21("4","7","5","2","4","7","1","1") = "6"
    & skf21("4","7","5","2","4","7","2","1") = "6"
    & skf21("4","7","5","2","4","7","3","1") = "6"
    & skf21("4","7","5","2","4","7","4","1") = "6"
    & skf21("4","7","5","2","4","7","5","1") = "6"
    & skf21("4","7","5","2","4","7","6","1") = "6"
    & skf21("4","7","5","2","4","7","7","1") = "6"
    & skf21("4","7","5","2","5","1","1","1") = "6"
    & skf21("4","7","5","2","5","1","2","1") = "6"
    & skf21("4","7","5","2","5","1","3","1") = "6"
    & skf21("4","7","5","2","5","1","4","1") = "6"
    & skf21("4","7","5","2","5","1","5","1") = "6"
    & skf21("4","7","5","2","5","1","6","1") = "6"
    & skf21("4","7","5","2","5","1","7","1") = "6"
    & skf21("4","7","5","2","5","2","1","1") = "6"
    & skf21("4","7","5","2","5","2","2","1") = "6"
    & skf21("4","7","5","2","5","2","3","1") = "6"
    & skf21("4","7","5","2","5","2","4","1") = "6"
    & skf21("4","7","5","2","5","2","5","1") = "6"
    & skf21("4","7","5","2","5","2","6","1") = "6"
    & skf21("4","7","5","2","5","2","7","1") = "6"
    & skf21("4","7","5","2","5","3","1","1") = "6"
    & skf21("4","7","5","2","5","3","2","1") = "6"
    & skf21("4","7","5","2","5","3","3","1") = "6"
    & skf21("4","7","5","2","5","3","4","1") = "6"
    & skf21("4","7","5","2","5","3","5","1") = "6"
    & skf21("4","7","5","2","5","3","6","1") = "6"
    & skf21("4","7","5","2","5","3","7","1") = "6"
    & skf21("4","7","5","2","5","4","1","1") = "6"
    & skf21("4","7","5","2","5","4","2","1") = "6"
    & skf21("4","7","5","2","5","4","3","1") = "6"
    & skf21("4","7","5","2","5","4","4","1") = "6"
    & skf21("4","7","5","2","5","4","5","1") = "6"
    & skf21("4","7","5","2","5","4","6","1") = "6"
    & skf21("4","7","5","2","5","4","7","1") = "6"
    & skf21("4","7","5","2","5","5","1","1") = "6"
    & skf21("4","7","5","2","5","5","2","1") = "6"
    & skf21("4","7","5","2","5","5","3","1") = "6"
    & skf21("4","7","5","2","5","5","4","1") = "6"
    & skf21("4","7","5","2","5","5","5","1") = "6"
    & skf21("4","7","5","2","5","5","6","1") = "6"
    & skf21("4","7","5","2","5","5","7","1") = "6"
    & skf21("4","7","5","2","5","6","1","1") = "6"
    & skf21("4","7","5","2","5","6","2","1") = "6"
    & skf21("4","7","5","2","5","6","3","1") = "6"
    & skf21("4","7","5","2","5","6","4","1") = "6"
    & skf21("4","7","5","2","5","6","5","1") = "6"
    & skf21("4","7","5","2","5","6","6","1") = "6"
    & skf21("4","7","5","2","5","6","7","1") = "6"
    & skf21("4","7","5","2","5","7","1","1") = "6"
    & skf21("4","7","5","2","5","7","2","1") = "6"
    & skf21("4","7","5","2","5","7","3","1") = "6"
    & skf21("4","7","5","2","5","7","4","1") = "6"
    & skf21("4","7","5","2","5","7","5","1") = "6"
    & skf21("4","7","5","2","5","7","6","1") = "6"
    & skf21("4","7","5","2","5","7","7","1") = "6"
    & skf21("4","7","5","2","6","1","1","1") = "6"
    & skf21("4","7","5","2","6","1","2","1") = "6"
    & skf21("4","7","5","2","6","1","3","1") = "6"
    & skf21("4","7","5","2","6","1","4","1") = "6"
    & skf21("4","7","5","2","6","1","5","1") = "6"
    & skf21("4","7","5","2","6","1","6","1") = "6"
    & skf21("4","7","5","2","6","1","7","1") = "6"
    & skf21("4","7","5","2","6","2","1","1") = "6"
    & skf21("4","7","5","2","6","2","2","1") = "6"
    & skf21("4","7","5","2","6","2","3","1") = "6"
    & skf21("4","7","5","2","6","2","4","1") = "6"
    & skf21("4","7","5","2","6","2","5","1") = "6"
    & skf21("4","7","5","2","6","2","6","1") = "6"
    & skf21("4","7","5","2","6","2","7","1") = "6"
    & skf21("4","7","5","2","6","3","1","1") = "6"
    & skf21("4","7","5","2","6","3","2","1") = "6"
    & skf21("4","7","5","2","6","3","3","1") = "6"
    & skf21("4","7","5","2","6","3","4","1") = "6"
    & skf21("4","7","5","2","6","3","5","1") = "6"
    & skf21("4","7","5","2","6","3","6","1") = "6"
    & skf21("4","7","5","2","6","3","7","1") = "6"
    & skf21("4","7","5","2","6","4","1","1") = "6"
    & skf21("4","7","5","2","6","4","2","1") = "6"
    & skf21("4","7","5","2","6","4","3","1") = "6"
    & skf21("4","7","5","2","6","4","4","1") = "6"
    & skf21("4","7","5","2","6","4","5","1") = "6"
    & skf21("4","7","5","2","6","4","6","1") = "6"
    & skf21("4","7","5","2","6","4","7","1") = "6"
    & skf21("4","7","5","2","6","5","1","1") = "6"
    & skf21("4","7","5","2","6","5","2","1") = "6"
    & skf21("4","7","5","2","6","5","3","1") = "6"
    & skf21("4","7","5","2","6","5","4","1") = "6"
    & skf21("4","7","5","2","6","5","5","1") = "6"
    & skf21("4","7","5","2","6","5","6","1") = "6"
    & skf21("4","7","5","2","6","5","7","1") = "6"
    & skf21("4","7","5","2","6","6","1","1") = "6"
    & skf21("4","7","5","2","6","6","2","1") = "6"
    & skf21("4","7","5","2","6","6","3","1") = "6"
    & skf21("4","7","5","2","6","6","4","1") = "6"
    & skf21("4","7","5","2","6","6","5","1") = "6"
    & skf21("4","7","5","2","6","6","6","1") = "6"
    & skf21("4","7","5","2","6","6","7","1") = "6"
    & skf21("4","7","5","2","6","7","1","1") = "6"
    & skf21("4","7","5","2","6","7","2","1") = "6"
    & skf21("4","7","5","2","6","7","3","1") = "6"
    & skf21("4","7","5","2","6","7","4","1") = "6"
    & skf21("4","7","5","2","6","7","5","1") = "6"
    & skf21("4","7","5","2","6","7","6","1") = "6"
    & skf21("4","7","5","2","6","7","7","1") = "6"
    & skf21("4","7","5","2","7","1","1","1") = "6"
    & skf21("4","7","5","2","7","1","2","1") = "6"
    & skf21("4","7","5","2","7","1","3","1") = "6"
    & skf21("4","7","5","2","7","1","4","1") = "6"
    & skf21("4","7","5","2","7","1","5","1") = "6"
    & skf21("4","7","5","2","7","1","6","1") = "6"
    & skf21("4","7","5","2","7","1","7","1") = "6"
    & skf21("4","7","5","2","7","2","1","1") = "6"
    & skf21("4","7","5","2","7","2","2","1") = "6"
    & skf21("4","7","5","2","7","2","3","1") = "6"
    & skf21("4","7","5","2","7","2","4","1") = "6"
    & skf21("4","7","5","2","7","2","5","1") = "6"
    & skf21("4","7","5","2","7","2","6","1") = "6"
    & skf21("4","7","5","2","7","2","7","1") = "6"
    & skf21("4","7","5","2","7","3","1","1") = "6"
    & skf21("4","7","5","2","7","3","2","1") = "6"
    & skf21("4","7","5","2","7","3","3","1") = "6"
    & skf21("4","7","5","2","7","3","4","1") = "6"
    & skf21("4","7","5","2","7","3","5","1") = "6"
    & skf21("4","7","5","2","7","3","6","1") = "6"
    & skf21("4","7","5","2","7","3","7","1") = "6"
    & skf21("4","7","5","2","7","4","1","1") = "6"
    & skf21("4","7","5","2","7","4","2","1") = "6"
    & skf21("4","7","5","2","7","4","3","1") = "6"
    & skf21("4","7","5","2","7","4","4","1") = "6"
    & skf21("4","7","5","2","7","4","5","1") = "6"
    & skf21("4","7","5","2","7","4","6","1") = "6"
    & skf21("4","7","5","2","7","4","7","1") = "6"
    & skf21("4","7","5","2","7","5","1","1") = "6"
    & skf21("4","7","5","2","7","5","2","1") = "6"
    & skf21("4","7","5","2","7","5","3","1") = "6"
    & skf21("4","7","5","2","7","5","4","1") = "6"
    & skf21("4","7","5","2","7","5","5","1") = "6"
    & skf21("4","7","5","2","7","5","6","1") = "6"
    & skf21("4","7","5","2","7","5","7","1") = "6"
    & skf21("4","7","5","2","7","6","1","1") = "6"
    & skf21("4","7","5","2","7","6","2","1") = "6"
    & skf21("4","7","5","2","7","6","3","1") = "6"
    & skf21("4","7","5","2","7","6","4","1") = "6"
    & skf21("4","7","5","2","7","6","5","1") = "6"
    & skf21("4","7","5","2","7","6","6","1") = "6"
    & skf21("4","7","5","2","7","6","7","1") = "6"
    & skf21("4","7","5","2","7","7","1","1") = "6"
    & skf21("4","7","5","2","7","7","2","1") = "6"
    & skf21("4","7","5","2","7","7","3","1") = "6"
    & skf21("4","7","5","2","7","7","4","1") = "6"
    & skf21("4","7","5","2","7","7","5","1") = "6"
    & skf21("4","7","5","2","7","7","6","1") = "6"
    & skf21("4","7","5","2","7","7","7","1") = "6"
    & skf21("4","7","5","3","1","1","1","1") = "6"
    & skf21("4","7","5","3","1","1","2","1") = "6"
    & skf21("4","7","5","3","1","1","3","1") = "6"
    & skf21("4","7","5","3","1","1","4","1") = "6"
    & skf21("4","7","5","3","1","1","5","1") = "6"
    & skf21("4","7","5","3","1","1","6","1") = "6"
    & skf21("4","7","5","3","1","1","7","1") = "6"
    & skf21("4","7","5","3","1","2","1","1") = "6"
    & skf21("4","7","5","3","1","2","2","1") = "6"
    & skf21("4","7","5","3","1","2","3","1") = "6"
    & skf21("4","7","5","3","1","2","4","1") = "6"
    & skf21("4","7","5","3","1","2","5","1") = "6"
    & skf21("4","7","5","3","1","2","6","1") = "6"
    & skf21("4","7","5","3","1","2","7","1") = "6"
    & skf21("4","7","5","3","1","3","1","1") = "6"
    & skf21("4","7","5","3","1","3","2","1") = "6"
    & skf21("4","7","5","3","1","3","3","1") = "6"
    & skf21("4","7","5","3","1","3","4","1") = "6"
    & skf21("4","7","5","3","1","3","5","1") = "6"
    & skf21("4","7","5","3","1","3","6","1") = "6"
    & skf21("4","7","5","3","1","3","7","1") = "6"
    & skf21("4","7","5","3","1","4","1","1") = "6"
    & skf21("4","7","5","3","1","4","2","1") = "6"
    & skf21("4","7","5","3","1","4","3","1") = "6"
    & skf21("4","7","5","3","1","4","4","1") = "6"
    & skf21("4","7","5","3","1","4","5","1") = "6"
    & skf21("4","7","5","3","1","4","6","1") = "6"
    & skf21("4","7","5","3","1","4","7","1") = "6"
    & skf21("4","7","5","3","1","5","1","1") = "6"
    & skf21("4","7","5","3","1","5","2","1") = "6"
    & skf21("4","7","5","3","1","5","3","1") = "6"
    & skf21("4","7","5","3","1","5","4","1") = "6"
    & skf21("4","7","5","3","1","5","5","1") = "6"
    & skf21("4","7","5","3","1","5","6","1") = "6"
    & skf21("4","7","5","3","1","5","7","1") = "6"
    & skf21("4","7","5","3","1","6","1","1") = "6"
    & skf21("4","7","5","3","1","6","2","1") = "6"
    & skf21("4","7","5","3","1","6","3","1") = "6"
    & skf21("4","7","5","3","1","6","4","1") = "6"
    & skf21("4","7","5","3","1","6","5","1") = "6"
    & skf21("4","7","5","3","1","6","6","1") = "6"
    & skf21("4","7","5","3","1","6","7","1") = "6"
    & skf21("4","7","5","3","1","7","1","1") = "6"
    & skf21("4","7","5","3","1","7","2","1") = "6"
    & skf21("4","7","5","3","1","7","3","1") = "6"
    & skf21("4","7","5","3","1","7","4","1") = "6"
    & skf21("4","7","5","3","1","7","5","1") = "6"
    & skf21("4","7","5","3","1","7","6","1") = "6"
    & skf21("4","7","5","3","1","7","7","1") = "6"
    & skf21("4","7","5","3","2","1","1","1") = "6"
    & skf21("4","7","5","3","2","1","2","1") = "6"
    & skf21("4","7","5","3","2","1","3","1") = "6"
    & skf21("4","7","5","3","2","1","4","1") = "6"
    & skf21("4","7","5","3","2","1","5","1") = "6"
    & skf21("4","7","5","3","2","1","6","1") = "6"
    & skf21("4","7","5","3","2","1","7","1") = "6"
    & skf21("4","7","5","3","2","2","1","1") = "6"
    & skf21("4","7","5","3","2","2","2","1") = "6"
    & skf21("4","7","5","3","2","2","3","1") = "6"
    & skf21("4","7","5","3","2","2","4","1") = "6"
    & skf21("4","7","5","3","2","2","5","1") = "6"
    & skf21("4","7","5","3","2","2","6","1") = "6"
    & skf21("4","7","5","3","2","2","7","1") = "6"
    & skf21("4","7","5","3","2","3","1","1") = "6"
    & skf21("4","7","5","3","2","3","2","1") = "6"
    & skf21("4","7","5","3","2","3","3","1") = "6"
    & skf21("4","7","5","3","2","3","4","1") = "6"
    & skf21("4","7","5","3","2","3","5","1") = "6"
    & skf21("4","7","5","3","2","3","6","1") = "6"
    & skf21("4","7","5","3","2","3","7","1") = "6"
    & skf21("4","7","5","3","2","4","1","1") = "6"
    & skf21("4","7","5","3","2","4","2","1") = "6"
    & skf21("4","7","5","3","2","4","3","1") = "6"
    & skf21("4","7","5","3","2","4","4","1") = "6"
    & skf21("4","7","5","3","2","4","5","1") = "6"
    & skf21("4","7","5","3","2","4","6","1") = "6"
    & skf21("4","7","5","3","2","4","7","1") = "6"
    & skf21("4","7","5","3","2","5","1","1") = "6"
    & skf21("4","7","5","3","2","5","2","1") = "6"
    & skf21("4","7","5","3","2","5","3","1") = "6"
    & skf21("4","7","5","3","2","5","4","1") = "6"
    & skf21("4","7","5","3","2","5","5","1") = "6"
    & skf21("4","7","5","3","2","5","6","1") = "6"
    & skf21("4","7","5","3","2","5","7","1") = "6"
    & skf21("4","7","5","3","2","6","1","1") = "6"
    & skf21("4","7","5","3","2","6","2","1") = "6"
    & skf21("4","7","5","3","2","6","3","1") = "6"
    & skf21("4","7","5","3","2","6","4","1") = "6"
    & skf21("4","7","5","3","2","6","5","1") = "6"
    & skf21("4","7","5","3","2","6","6","1") = "6"
    & skf21("4","7","5","3","2","6","7","1") = "6"
    & skf21("4","7","5","3","2","7","1","1") = "6"
    & skf21("4","7","5","3","2","7","2","1") = "6"
    & skf21("4","7","5","3","2","7","3","1") = "6"
    & skf21("4","7","5","3","2","7","4","1") = "6"
    & skf21("4","7","5","3","2","7","5","1") = "6"
    & skf21("4","7","5","3","2","7","6","1") = "6"
    & skf21("4","7","5","3","2","7","7","1") = "6"
    & skf21("4","7","5","3","3","1","1","1") = "6"
    & skf21("4","7","5","3","3","1","2","1") = "6"
    & skf21("4","7","5","3","3","1","3","1") = "6"
    & skf21("4","7","5","3","3","1","4","1") = "6"
    & skf21("4","7","5","3","3","1","5","1") = "6"
    & skf21("4","7","5","3","3","1","6","1") = "6"
    & skf21("4","7","5","3","3","1","7","1") = "6"
    & skf21("4","7","5","3","3","2","1","1") = "6"
    & skf21("4","7","5","3","3","2","2","1") = "6"
    & skf21("4","7","5","3","3","2","3","1") = "6"
    & skf21("4","7","5","3","3","2","4","1") = "6"
    & skf21("4","7","5","3","3","2","5","1") = "6"
    & skf21("4","7","5","3","3","2","6","1") = "6"
    & skf21("4","7","5","3","3","2","7","1") = "6"
    & skf21("4","7","5","3","3","3","1","1") = "6"
    & skf21("4","7","5","3","3","3","2","1") = "6"
    & skf21("4","7","5","3","3","3","3","1") = "6"
    & skf21("4","7","5","3","3","3","4","1") = "6"
    & skf21("4","7","5","3","3","3","5","1") = "6"
    & skf21("4","7","5","3","3","3","6","1") = "6"
    & skf21("4","7","5","3","3","3","7","1") = "6"
    & skf21("4","7","5","3","3","4","1","1") = "6"
    & skf21("4","7","5","3","3","4","2","1") = "6"
    & skf21("4","7","5","3","3","4","3","1") = "6"
    & skf21("4","7","5","3","3","4","4","1") = "6"
    & skf21("4","7","5","3","3","4","5","1") = "6"
    & skf21("4","7","5","3","3","4","6","1") = "6"
    & skf21("4","7","5","3","3","4","7","1") = "6"
    & skf21("4","7","5","3","3","5","1","1") = "6"
    & skf21("4","7","5","3","3","5","2","1") = "6"
    & skf21("4","7","5","3","3","5","3","1") = "6"
    & skf21("4","7","5","3","3","5","4","1") = "6"
    & skf21("4","7","5","3","3","5","5","1") = "6"
    & skf21("4","7","5","3","3","5","6","1") = "6"
    & skf21("4","7","5","3","3","5","7","1") = "6"
    & skf21("4","7","5","3","3","6","1","1") = "6"
    & skf21("4","7","5","3","3","6","2","1") = "6"
    & skf21("4","7","5","3","3","6","3","1") = "6"
    & skf21("4","7","5","3","3","6","4","1") = "6"
    & skf21("4","7","5","3","3","6","5","1") = "6"
    & skf21("4","7","5","3","3","6","6","1") = "6"
    & skf21("4","7","5","3","3","6","7","1") = "6"
    & skf21("4","7","5","3","3","7","1","1") = "6"
    & skf21("4","7","5","3","3","7","2","1") = "6"
    & skf21("4","7","5","3","3","7","3","1") = "6"
    & skf21("4","7","5","3","3","7","4","1") = "6"
    & skf21("4","7","5","3","3","7","5","1") = "6"
    & skf21("4","7","5","3","3","7","6","1") = "6"
    & skf21("4","7","5","3","3","7","7","1") = "6"
    & skf21("4","7","5","3","4","1","1","1") = "6"
    & skf21("4","7","5","3","4","1","2","1") = "6"
    & skf21("4","7","5","3","4","1","3","1") = "6"
    & skf21("4","7","5","3","4","1","4","1") = "6"
    & skf21("4","7","5","3","4","1","5","1") = "6"
    & skf21("4","7","5","3","4","1","6","1") = "6"
    & skf21("4","7","5","3","4","1","7","1") = "6"
    & skf21("4","7","5","3","4","2","1","1") = "6"
    & skf21("4","7","5","3","4","2","2","1") = "6"
    & skf21("4","7","5","3","4","2","3","1") = "6"
    & skf21("4","7","5","3","4","2","4","1") = "6"
    & skf21("4","7","5","3","4","2","5","1") = "6"
    & skf21("4","7","5","3","4","2","6","1") = "6"
    & skf21("4","7","5","3","4","2","7","1") = "6"
    & skf21("4","7","5","3","4","3","1","1") = "6"
    & skf21("4","7","5","3","4","3","2","1") = "6"
    & skf21("4","7","5","3","4","3","3","1") = "6"
    & skf21("4","7","5","3","4","3","4","1") = "6"
    & skf21("4","7","5","3","4","3","5","1") = "6"
    & skf21("4","7","5","3","4","3","6","1") = "6"
    & skf21("4","7","5","3","4","3","7","1") = "6"
    & skf21("4","7","5","3","4","4","1","1") = "6"
    & skf21("4","7","5","3","4","4","2","1") = "6"
    & skf21("4","7","5","3","4","4","3","1") = "6"
    & skf21("4","7","5","3","4","4","4","1") = "6"
    & skf21("4","7","5","3","4","4","5","1") = "6"
    & skf21("4","7","5","3","4","4","6","1") = "6"
    & skf21("4","7","5","3","4","4","7","1") = "6"
    & skf21("4","7","5","3","4","5","1","1") = "6"
    & skf21("4","7","5","3","4","5","2","1") = "6"
    & skf21("4","7","5","3","4","5","3","1") = "6"
    & skf21("4","7","5","3","4","5","4","1") = "6"
    & skf21("4","7","5","3","4","5","5","1") = "6"
    & skf21("4","7","5","3","4","5","6","1") = "6"
    & skf21("4","7","5","3","4","5","7","1") = "6"
    & skf21("4","7","5","3","4","6","1","1") = "6"
    & skf21("4","7","5","3","4","6","2","1") = "6"
    & skf21("4","7","5","3","4","6","3","1") = "6"
    & skf21("4","7","5","3","4","6","4","1") = "6"
    & skf21("4","7","5","3","4","6","5","1") = "6"
    & skf21("4","7","5","3","4","6","6","1") = "6"
    & skf21("4","7","5","3","4","6","7","1") = "6"
    & skf21("4","7","5","3","4","7","1","1") = "6"
    & skf21("4","7","5","3","4","7","2","1") = "6"
    & skf21("4","7","5","3","4","7","3","1") = "6"
    & skf21("4","7","5","3","4","7","4","1") = "6"
    & skf21("4","7","5","3","4","7","5","1") = "6"
    & skf21("4","7","5","3","4","7","6","1") = "6"
    & skf21("4","7","5","3","4","7","7","1") = "6"
    & skf21("4","7","5","3","5","1","1","1") = "6"
    & skf21("4","7","5","3","5","1","2","1") = "6"
    & skf21("4","7","5","3","5","1","3","1") = "6"
    & skf21("4","7","5","3","5","1","4","1") = "6"
    & skf21("4","7","5","3","5","1","5","1") = "6"
    & skf21("4","7","5","3","5","1","6","1") = "6"
    & skf21("4","7","5","3","5","1","7","1") = "6"
    & skf21("4","7","5","3","5","2","1","1") = "6"
    & skf21("4","7","5","3","5","2","2","1") = "6"
    & skf21("4","7","5","3","5","2","3","1") = "6"
    & skf21("4","7","5","3","5","2","4","1") = "6"
    & skf21("4","7","5","3","5","2","5","1") = "6"
    & skf21("4","7","5","3","5","2","6","1") = "6"
    & skf21("4","7","5","3","5","2","7","1") = "6"
    & skf21("4","7","5","3","5","3","1","1") = "6"
    & skf21("4","7","5","3","5","3","2","1") = "6"
    & skf21("4","7","5","3","5","3","3","1") = "6"
    & skf21("4","7","5","3","5","3","4","1") = "6"
    & skf21("4","7","5","3","5","3","5","1") = "6"
    & skf21("4","7","5","3","5","3","6","1") = "6"
    & skf21("4","7","5","3","5","3","7","1") = "6"
    & skf21("4","7","5","3","5","4","1","1") = "6"
    & skf21("4","7","5","3","5","4","2","1") = "6"
    & skf21("4","7","5","3","5","4","3","1") = "6"
    & skf21("4","7","5","3","5","4","4","1") = "6"
    & skf21("4","7","5","3","5","4","5","1") = "6"
    & skf21("4","7","5","3","5","4","6","1") = "6"
    & skf21("4","7","5","3","5","4","7","1") = "6"
    & skf21("4","7","5","3","5","5","1","1") = "6"
    & skf21("4","7","5","3","5","5","2","1") = "6"
    & skf21("4","7","5","3","5","5","3","1") = "6"
    & skf21("4","7","5","3","5","5","4","1") = "6"
    & skf21("4","7","5","3","5","5","5","1") = "6"
    & skf21("4","7","5","3","5","5","6","1") = "6"
    & skf21("4","7","5","3","5","5","7","1") = "6"
    & skf21("4","7","5","3","5","6","1","1") = "6"
    & skf21("4","7","5","3","5","6","2","1") = "6"
    & skf21("4","7","5","3","5","6","3","1") = "6"
    & skf21("4","7","5","3","5","6","4","1") = "6"
    & skf21("4","7","5","3","5","6","5","1") = "6"
    & skf21("4","7","5","3","5","6","6","1") = "6"
    & skf21("4","7","5","3","5","6","7","1") = "6"
    & skf21("4","7","5","3","5","7","1","1") = "6"
    & skf21("4","7","5","3","5","7","2","1") = "6"
    & skf21("4","7","5","3","5","7","3","1") = "6"
    & skf21("4","7","5","3","5","7","4","1") = "6"
    & skf21("4","7","5","3","5","7","5","1") = "6"
    & skf21("4","7","5","3","5","7","6","1") = "6"
    & skf21("4","7","5","3","5","7","7","1") = "6"
    & skf21("4","7","5","3","6","1","1","1") = "6"
    & skf21("4","7","5","3","6","1","2","1") = "6"
    & skf21("4","7","5","3","6","1","3","1") = "6"
    & skf21("4","7","5","3","6","1","4","1") = "6"
    & skf21("4","7","5","3","6","1","5","1") = "6"
    & skf21("4","7","5","3","6","1","6","1") = "6"
    & skf21("4","7","5","3","6","1","7","1") = "6"
    & skf21("4","7","5","3","6","2","1","1") = "6"
    & skf21("4","7","5","3","6","2","2","1") = "6"
    & skf21("4","7","5","3","6","2","3","1") = "6"
    & skf21("4","7","5","3","6","2","4","1") = "6"
    & skf21("4","7","5","3","6","2","5","1") = "6"
    & skf21("4","7","5","3","6","2","6","1") = "6"
    & skf21("4","7","5","3","6","2","7","1") = "6"
    & skf21("4","7","5","3","6","3","1","1") = "6"
    & skf21("4","7","5","3","6","3","2","1") = "6"
    & skf21("4","7","5","3","6","3","3","1") = "6"
    & skf21("4","7","5","3","6","3","4","1") = "6"
    & skf21("4","7","5","3","6","3","5","1") = "6"
    & skf21("4","7","5","3","6","3","6","1") = "6"
    & skf21("4","7","5","3","6","3","7","1") = "6"
    & skf21("4","7","5","3","6","4","1","1") = "6"
    & skf21("4","7","5","3","6","4","2","1") = "6"
    & skf21("4","7","5","3","6","4","3","1") = "6"
    & skf21("4","7","5","3","6","4","4","1") = "6"
    & skf21("4","7","5","3","6","4","5","1") = "6"
    & skf21("4","7","5","3","6","4","6","1") = "6"
    & skf21("4","7","5","3","6","4","7","1") = "6"
    & skf21("4","7","5","3","6","5","1","1") = "6"
    & skf21("4","7","5","3","6","5","2","1") = "6"
    & skf21("4","7","5","3","6","5","3","1") = "6"
    & skf21("4","7","5","3","6","5","4","1") = "6"
    & skf21("4","7","5","3","6","5","5","1") = "6"
    & skf21("4","7","5","3","6","5","6","1") = "6"
    & skf21("4","7","5","3","6","5","7","1") = "6"
    & skf21("4","7","5","3","6","6","1","1") = "6"
    & skf21("4","7","5","3","6","6","2","1") = "6"
    & skf21("4","7","5","3","6","6","3","1") = "6"
    & skf21("4","7","5","3","6","6","4","1") = "6"
    & skf21("4","7","5","3","6","6","5","1") = "6"
    & skf21("4","7","5","3","6","6","6","1") = "6"
    & skf21("4","7","5","3","6","6","7","1") = "6"
    & skf21("4","7","5","3","6","7","1","1") = "6"
    & skf21("4","7","5","3","6","7","2","1") = "6"
    & skf21("4","7","5","3","6","7","3","1") = "6"
    & skf21("4","7","5","3","6","7","4","1") = "6"
    & skf21("4","7","5","3","6","7","5","1") = "6"
    & skf21("4","7","5","3","6","7","6","1") = "6"
    & skf21("4","7","5","3","6","7","7","1") = "6"
    & skf21("4","7","5","3","7","1","1","1") = "6"
    & skf21("4","7","5","3","7","1","2","1") = "6"
    & skf21("4","7","5","3","7","1","3","1") = "6"
    & skf21("4","7","5","3","7","1","4","1") = "6"
    & skf21("4","7","5","3","7","1","5","1") = "6"
    & skf21("4","7","5","3","7","1","6","1") = "6"
    & skf21("4","7","5","3","7","1","7","1") = "6"
    & skf21("4","7","5","3","7","2","1","1") = "6"
    & skf21("4","7","5","3","7","2","2","1") = "6"
    & skf21("4","7","5","3","7","2","3","1") = "6"
    & skf21("4","7","5","3","7","2","4","1") = "6"
    & skf21("4","7","5","3","7","2","5","1") = "6"
    & skf21("4","7","5","3","7","2","6","1") = "6"
    & skf21("4","7","5","3","7","2","7","1") = "6"
    & skf21("4","7","5","3","7","3","1","1") = "6"
    & skf21("4","7","5","3","7","3","2","1") = "6"
    & skf21("4","7","5","3","7","3","3","1") = "6"
    & skf21("4","7","5","3","7","3","4","1") = "6"
    & skf21("4","7","5","3","7","3","5","1") = "6"
    & skf21("4","7","5","3","7","3","6","1") = "6"
    & skf21("4","7","5","3","7","3","7","1") = "6"
    & skf21("4","7","5","3","7","4","1","1") = "6"
    & skf21("4","7","5","3","7","4","2","1") = "6"
    & skf21("4","7","5","3","7","4","3","1") = "6"
    & skf21("4","7","5","3","7","4","4","1") = "6"
    & skf21("4","7","5","3","7","4","5","1") = "6"
    & skf21("4","7","5","3","7","4","6","1") = "6"
    & skf21("4","7","5","3","7","4","7","1") = "6"
    & skf21("4","7","5","3","7","5","1","1") = "6"
    & skf21("4","7","5","3","7","5","2","1") = "6"
    & skf21("4","7","5","3","7","5","3","1") = "6"
    & skf21("4","7","5","3","7","5","4","1") = "6"
    & skf21("4","7","5","3","7","5","5","1") = "6"
    & skf21("4","7","5","3","7","5","6","1") = "6"
    & skf21("4","7","5","3","7","5","7","1") = "6"
    & skf21("4","7","5","3","7","6","1","1") = "6"
    & skf21("4","7","5","3","7","6","2","1") = "6"
    & skf21("4","7","5","3","7","6","3","1") = "6"
    & skf21("4","7","5","3","7","6","4","1") = "6"
    & skf21("4","7","5","3","7","6","5","1") = "6"
    & skf21("4","7","5","3","7","6","6","1") = "6"
    & skf21("4","7","5","3","7","6","7","1") = "6"
    & skf21("4","7","5","3","7","7","1","1") = "6"
    & skf21("4","7","5","3","7","7","2","1") = "6"
    & skf21("4","7","5","3","7","7","3","1") = "6"
    & skf21("4","7","5","3","7","7","4","1") = "6"
    & skf21("4","7","5","3","7","7","5","1") = "6"
    & skf21("4","7","5","3","7","7","6","1") = "6"
    & skf21("4","7","5","3","7","7","7","1") = "6"
    & skf21("4","7","5","4","1","1","1","1") = "6"
    & skf21("4","7","5","4","1","1","2","1") = "6"
    & skf21("4","7","5","4","1","1","3","1") = "6"
    & skf21("4","7","5","4","1","1","4","1") = "6"
    & skf21("4","7","5","4","1","1","5","1") = "6"
    & skf21("4","7","5","4","1","1","6","1") = "6"
    & skf21("4","7","5","4","1","1","7","1") = "6"
    & skf21("4","7","5","4","1","2","1","1") = "6"
    & skf21("4","7","5","4","1","2","2","1") = "6"
    & skf21("4","7","5","4","1","2","3","1") = "6"
    & skf21("4","7","5","4","1","2","4","1") = "6"
    & skf21("4","7","5","4","1","2","5","1") = "6"
    & skf21("4","7","5","4","1","2","6","1") = "6"
    & skf21("4","7","5","4","1","2","7","1") = "6"
    & skf21("4","7","5","4","1","3","1","1") = "6"
    & skf21("4","7","5","4","1","3","2","1") = "6"
    & skf21("4","7","5","4","1","3","3","1") = "6"
    & skf21("4","7","5","4","1","3","4","1") = "6"
    & skf21("4","7","5","4","1","3","5","1") = "6"
    & skf21("4","7","5","4","1","3","6","1") = "6"
    & skf21("4","7","5","4","1","3","7","1") = "6"
    & skf21("4","7","5","4","1","4","1","1") = "6"
    & skf21("4","7","5","4","1","4","2","1") = "6"
    & skf21("4","7","5","4","1","4","3","1") = "6"
    & skf21("4","7","5","4","1","4","4","1") = "6"
    & skf21("4","7","5","4","1","4","5","1") = "6"
    & skf21("4","7","5","4","1","4","6","1") = "6"
    & skf21("4","7","5","4","1","4","7","1") = "6"
    & skf21("4","7","5","4","1","5","1","1") = "6"
    & skf21("4","7","5","4","1","5","2","1") = "6"
    & skf21("4","7","5","4","1","5","3","1") = "6"
    & skf21("4","7","5","4","1","5","4","1") = "6"
    & skf21("4","7","5","4","1","5","5","1") = "6"
    & skf21("4","7","5","4","1","5","6","1") = "6"
    & skf21("4","7","5","4","1","5","7","1") = "6"
    & skf21("4","7","5","4","1","6","1","1") = "6"
    & skf21("4","7","5","4","1","6","2","1") = "6"
    & skf21("4","7","5","4","1","6","3","1") = "6"
    & skf21("4","7","5","4","1","6","4","1") = "6"
    & skf21("4","7","5","4","1","6","5","1") = "6"
    & skf21("4","7","5","4","1","6","6","1") = "6"
    & skf21("4","7","5","4","1","6","7","1") = "6"
    & skf21("4","7","5","4","1","7","1","1") = "6"
    & skf21("4","7","5","4","1","7","2","1") = "6"
    & skf21("4","7","5","4","1","7","3","1") = "6"
    & skf21("4","7","5","4","1","7","4","1") = "6"
    & skf21("4","7","5","4","1","7","5","1") = "6"
    & skf21("4","7","5","4","1","7","6","1") = "6"
    & skf21("4","7","5","4","1","7","7","1") = "6"
    & skf21("4","7","5","4","2","1","1","1") = "6"
    & skf21("4","7","5","4","2","1","2","1") = "6"
    & skf21("4","7","5","4","2","1","3","1") = "6"
    & skf21("4","7","5","4","2","1","4","1") = "6"
    & skf21("4","7","5","4","2","1","5","1") = "6"
    & skf21("4","7","5","4","2","1","6","1") = "6"
    & skf21("4","7","5","4","2","1","7","1") = "6"
    & skf21("4","7","5","4","2","2","1","1") = "6"
    & skf21("4","7","5","4","2","2","2","1") = "6"
    & skf21("4","7","5","4","2","2","3","1") = "6"
    & skf21("4","7","5","4","2","2","4","1") = "6"
    & skf21("4","7","5","4","2","2","5","1") = "6"
    & skf21("4","7","5","4","2","2","6","1") = "6"
    & skf21("4","7","5","4","2","2","7","1") = "6"
    & skf21("4","7","5","4","2","3","1","1") = "6"
    & skf21("4","7","5","4","2","3","2","1") = "6"
    & skf21("4","7","5","4","2","3","3","1") = "6"
    & skf21("4","7","5","4","2","3","4","1") = "6"
    & skf21("4","7","5","4","2","3","5","1") = "6"
    & skf21("4","7","5","4","2","3","6","1") = "6"
    & skf21("4","7","5","4","2","3","7","1") = "6"
    & skf21("4","7","5","4","2","4","1","1") = "6"
    & skf21("4","7","5","4","2","4","2","1") = "6"
    & skf21("4","7","5","4","2","4","3","1") = "6"
    & skf21("4","7","5","4","2","4","4","1") = "6"
    & skf21("4","7","5","4","2","4","5","1") = "6"
    & skf21("4","7","5","4","2","4","6","1") = "6"
    & skf21("4","7","5","4","2","4","7","1") = "6"
    & skf21("4","7","5","4","2","5","1","1") = "6"
    & skf21("4","7","5","4","2","5","2","1") = "6"
    & skf21("4","7","5","4","2","5","3","1") = "6"
    & skf21("4","7","5","4","2","5","4","1") = "6"
    & skf21("4","7","5","4","2","5","5","1") = "6"
    & skf21("4","7","5","4","2","5","6","1") = "6"
    & skf21("4","7","5","4","2","5","7","1") = "6"
    & skf21("4","7","5","4","2","6","1","1") = "6"
    & skf21("4","7","5","4","2","6","2","1") = "6"
    & skf21("4","7","5","4","2","6","3","1") = "6"
    & skf21("4","7","5","4","2","6","4","1") = "6"
    & skf21("4","7","5","4","2","6","5","1") = "6"
    & skf21("4","7","5","4","2","6","6","1") = "6"
    & skf21("4","7","5","4","2","6","7","1") = "6"
    & skf21("4","7","5","4","2","7","1","1") = "6"
    & skf21("4","7","5","4","2","7","2","1") = "6"
    & skf21("4","7","5","4","2","7","3","1") = "6"
    & skf21("4","7","5","4","2","7","4","1") = "6"
    & skf21("4","7","5","4","2","7","5","1") = "6"
    & skf21("4","7","5","4","2","7","6","1") = "6"
    & skf21("4","7","5","4","2","7","7","1") = "6"
    & skf21("4","7","5","4","3","1","1","1") = "6"
    & skf21("4","7","5","4","3","1","2","1") = "6"
    & skf21("4","7","5","4","3","1","3","1") = "6"
    & skf21("4","7","5","4","3","1","4","1") = "6"
    & skf21("4","7","5","4","3","1","5","1") = "6"
    & skf21("4","7","5","4","3","1","6","1") = "6"
    & skf21("4","7","5","4","3","1","7","1") = "6"
    & skf21("4","7","5","4","3","2","1","1") = "6"
    & skf21("4","7","5","4","3","2","2","1") = "6"
    & skf21("4","7","5","4","3","2","3","1") = "6"
    & skf21("4","7","5","4","3","2","4","1") = "6"
    & skf21("4","7","5","4","3","2","5","1") = "6"
    & skf21("4","7","5","4","3","2","6","1") = "6"
    & skf21("4","7","5","4","3","2","7","1") = "6"
    & skf21("4","7","5","4","3","3","1","1") = "6"
    & skf21("4","7","5","4","3","3","2","1") = "6"
    & skf21("4","7","5","4","3","3","3","1") = "6"
    & skf21("4","7","5","4","3","3","4","1") = "6"
    & skf21("4","7","5","4","3","3","5","1") = "6"
    & skf21("4","7","5","4","3","3","6","1") = "6"
    & skf21("4","7","5","4","3","3","7","1") = "6"
    & skf21("4","7","5","4","3","4","1","1") = "6"
    & skf21("4","7","5","4","3","4","2","1") = "6"
    & skf21("4","7","5","4","3","4","3","1") = "6"
    & skf21("4","7","5","4","3","4","4","1") = "6"
    & skf21("4","7","5","4","3","4","5","1") = "6"
    & skf21("4","7","5","4","3","4","6","1") = "6"
    & skf21("4","7","5","4","3","4","7","1") = "6"
    & skf21("4","7","5","4","3","5","1","1") = "6"
    & skf21("4","7","5","4","3","5","2","1") = "6"
    & skf21("4","7","5","4","3","5","3","1") = "6"
    & skf21("4","7","5","4","3","5","4","1") = "6"
    & skf21("4","7","5","4","3","5","5","1") = "6"
    & skf21("4","7","5","4","3","5","6","1") = "6"
    & skf21("4","7","5","4","3","5","7","1") = "6"
    & skf21("4","7","5","4","3","6","1","1") = "6"
    & skf21("4","7","5","4","3","6","2","1") = "6"
    & skf21("4","7","5","4","3","6","3","1") = "6"
    & skf21("4","7","5","4","3","6","4","1") = "6"
    & skf21("4","7","5","4","3","6","5","1") = "6"
    & skf21("4","7","5","4","3","6","6","1") = "6"
    & skf21("4","7","5","4","3","6","7","1") = "6"
    & skf21("4","7","5","4","3","7","1","1") = "6"
    & skf21("4","7","5","4","3","7","2","1") = "6"
    & skf21("4","7","5","4","3","7","3","1") = "6"
    & skf21("4","7","5","4","3","7","4","1") = "6"
    & skf21("4","7","5","4","3","7","5","1") = "6"
    & skf21("4","7","5","4","3","7","6","1") = "6"
    & skf21("4","7","5","4","3","7","7","1") = "6"
    & skf21("4","7","5","4","4","1","1","1") = "6"
    & skf21("4","7","5","4","4","1","2","1") = "6"
    & skf21("4","7","5","4","4","1","3","1") = "6"
    & skf21("4","7","5","4","4","1","4","1") = "6"
    & skf21("4","7","5","4","4","1","5","1") = "6"
    & skf21("4","7","5","4","4","1","6","1") = "6"
    & skf21("4","7","5","4","4","1","7","1") = "6"
    & skf21("4","7","5","4","4","2","1","1") = "6"
    & skf21("4","7","5","4","4","2","2","1") = "6"
    & skf21("4","7","5","4","4","2","3","1") = "6"
    & skf21("4","7","5","4","4","2","4","1") = "6"
    & skf21("4","7","5","4","4","2","5","1") = "6"
    & skf21("4","7","5","4","4","2","6","1") = "6"
    & skf21("4","7","5","4","4","2","7","1") = "6"
    & skf21("4","7","5","4","4","3","1","1") = "6"
    & skf21("4","7","5","4","4","3","2","1") = "6"
    & skf21("4","7","5","4","4","3","3","1") = "6"
    & skf21("4","7","5","4","4","3","4","1") = "6"
    & skf21("4","7","5","4","4","3","5","1") = "6"
    & skf21("4","7","5","4","4","3","6","1") = "6"
    & skf21("4","7","5","4","4","3","7","1") = "6"
    & skf21("4","7","5","4","4","4","1","1") = "6"
    & skf21("4","7","5","4","4","4","2","1") = "6"
    & skf21("4","7","5","4","4","4","3","1") = "6"
    & skf21("4","7","5","4","4","4","4","1") = "6"
    & skf21("4","7","5","4","4","4","5","1") = "6"
    & skf21("4","7","5","4","4","4","6","1") = "6"
    & skf21("4","7","5","4","4","4","7","1") = "6"
    & skf21("4","7","5","4","4","5","1","1") = "6"
    & skf21("4","7","5","4","4","5","2","1") = "6"
    & skf21("4","7","5","4","4","5","3","1") = "6"
    & skf21("4","7","5","4","4","5","4","1") = "6"
    & skf21("4","7","5","4","4","5","5","1") = "6"
    & skf21("4","7","5","4","4","5","6","1") = "6"
    & skf21("4","7","5","4","4","5","7","1") = "6"
    & skf21("4","7","5","4","4","6","1","1") = "6"
    & skf21("4","7","5","4","4","6","2","1") = "6"
    & skf21("4","7","5","4","4","6","3","1") = "6"
    & skf21("4","7","5","4","4","6","4","1") = "6"
    & skf21("4","7","5","4","4","6","5","1") = "6"
    & skf21("4","7","5","4","4","6","6","1") = "6"
    & skf21("4","7","5","4","4","6","7","1") = "6"
    & skf21("4","7","5","4","4","7","1","1") = "6"
    & skf21("4","7","5","4","4","7","2","1") = "6"
    & skf21("4","7","5","4","4","7","3","1") = "6"
    & skf21("4","7","5","4","4","7","4","1") = "6"
    & skf21("4","7","5","4","4","7","5","1") = "6"
    & skf21("4","7","5","4","4","7","6","1") = "6"
    & skf21("4","7","5","4","4","7","7","1") = "6"
    & skf21("4","7","5","4","5","1","1","1") = "6"
    & skf21("4","7","5","4","5","1","2","1") = "6"
    & skf21("4","7","5","4","5","1","3","1") = "6"
    & skf21("4","7","5","4","5","1","4","1") = "6"
    & skf21("4","7","5","4","5","1","5","1") = "6"
    & skf21("4","7","5","4","5","1","6","1") = "6"
    & skf21("4","7","5","4","5","1","7","1") = "6"
    & skf21("4","7","5","4","5","2","1","1") = "6"
    & skf21("4","7","5","4","5","2","2","1") = "6"
    & skf21("4","7","5","4","5","2","3","1") = "6"
    & skf21("4","7","5","4","5","2","4","1") = "6"
    & skf21("4","7","5","4","5","2","5","1") = "6"
    & skf21("4","7","5","4","5","2","6","1") = "6"
    & skf21("4","7","5","4","5","2","7","1") = "6"
    & skf21("4","7","5","4","5","3","1","1") = "6"
    & skf21("4","7","5","4","5","3","2","1") = "6"
    & skf21("4","7","5","4","5","3","3","1") = "6"
    & skf21("4","7","5","4","5","3","4","1") = "6"
    & skf21("4","7","5","4","5","3","5","1") = "6"
    & skf21("4","7","5","4","5","3","6","1") = "6"
    & skf21("4","7","5","4","5","3","7","1") = "6"
    & skf21("4","7","5","4","5","4","1","1") = "6"
    & skf21("4","7","5","4","5","4","2","1") = "6"
    & skf21("4","7","5","4","5","4","3","1") = "6"
    & skf21("4","7","5","4","5","4","4","1") = "6"
    & skf21("4","7","5","4","5","4","5","1") = "6"
    & skf21("4","7","5","4","5","4","6","1") = "6"
    & skf21("4","7","5","4","5","4","7","1") = "6"
    & skf21("4","7","5","4","5","5","1","1") = "6"
    & skf21("4","7","5","4","5","5","2","1") = "6"
    & skf21("4","7","5","4","5","5","3","1") = "6"
    & skf21("4","7","5","4","5","5","4","1") = "6"
    & skf21("4","7","5","4","5","5","5","1") = "6"
    & skf21("4","7","5","4","5","5","6","1") = "6"
    & skf21("4","7","5","4","5","5","7","1") = "6"
    & skf21("4","7","5","4","5","6","1","1") = "6"
    & skf21("4","7","5","4","5","6","2","1") = "6"
    & skf21("4","7","5","4","5","6","3","1") = "6"
    & skf21("4","7","5","4","5","6","4","1") = "6"
    & skf21("4","7","5","4","5","6","5","1") = "6"
    & skf21("4","7","5","4","5","6","6","1") = "6"
    & skf21("4","7","5","4","5","6","7","1") = "6"
    & skf21("4","7","5","4","5","7","1","1") = "6"
    & skf21("4","7","5","4","5","7","2","1") = "6"
    & skf21("4","7","5","4","5","7","3","1") = "6"
    & skf21("4","7","5","4","5","7","4","1") = "6"
    & skf21("4","7","5","4","5","7","5","1") = "6"
    & skf21("4","7","5","4","5","7","6","1") = "6"
    & skf21("4","7","5","4","5","7","7","1") = "6"
    & skf21("4","7","5","4","6","1","1","1") = "6"
    & skf21("4","7","5","4","6","1","2","1") = "6"
    & skf21("4","7","5","4","6","1","3","1") = "6"
    & skf21("4","7","5","4","6","1","4","1") = "6"
    & skf21("4","7","5","4","6","1","5","1") = "6"
    & skf21("4","7","5","4","6","1","6","1") = "6"
    & skf21("4","7","5","4","6","1","7","1") = "6"
    & skf21("4","7","5","4","6","2","1","1") = "6"
    & skf21("4","7","5","4","6","2","2","1") = "6"
    & skf21("4","7","5","4","6","2","3","1") = "6"
    & skf21("4","7","5","4","6","2","4","1") = "6"
    & skf21("4","7","5","4","6","2","5","1") = "6"
    & skf21("4","7","5","4","6","2","6","1") = "6"
    & skf21("4","7","5","4","6","2","7","1") = "6"
    & skf21("4","7","5","4","6","3","1","1") = "6"
    & skf21("4","7","5","4","6","3","2","1") = "6"
    & skf21("4","7","5","4","6","3","3","1") = "6"
    & skf21("4","7","5","4","6","3","4","1") = "6"
    & skf21("4","7","5","4","6","3","5","1") = "6"
    & skf21("4","7","5","4","6","3","6","1") = "6"
    & skf21("4","7","5","4","6","3","7","1") = "6"
    & skf21("4","7","5","4","6","4","1","1") = "6"
    & skf21("4","7","5","4","6","4","2","1") = "6"
    & skf21("4","7","5","4","6","4","3","1") = "6"
    & skf21("4","7","5","4","6","4","4","1") = "6"
    & skf21("4","7","5","4","6","4","5","1") = "6"
    & skf21("4","7","5","4","6","4","6","1") = "6"
    & skf21("4","7","5","4","6","4","7","1") = "6"
    & skf21("4","7","5","4","6","5","1","1") = "6"
    & skf21("4","7","5","4","6","5","2","1") = "6"
    & skf21("4","7","5","4","6","5","3","1") = "6"
    & skf21("4","7","5","4","6","5","4","1") = "6"
    & skf21("4","7","5","4","6","5","5","1") = "6"
    & skf21("4","7","5","4","6","5","6","1") = "6"
    & skf21("4","7","5","4","6","5","7","1") = "6"
    & skf21("4","7","5","4","6","6","1","1") = "6"
    & skf21("4","7","5","4","6","6","2","1") = "6"
    & skf21("4","7","5","4","6","6","3","1") = "6"
    & skf21("4","7","5","4","6","6","4","1") = "6"
    & skf21("4","7","5","4","6","6","5","1") = "6"
    & skf21("4","7","5","4","6","6","6","1") = "6"
    & skf21("4","7","5","4","6","6","7","1") = "6"
    & skf21("4","7","5","4","6","7","1","1") = "6"
    & skf21("4","7","5","4","6","7","2","1") = "6"
    & skf21("4","7","5","4","6","7","3","1") = "6"
    & skf21("4","7","5","4","6","7","4","1") = "6"
    & skf21("4","7","5","4","6","7","5","1") = "6"
    & skf21("4","7","5","4","6","7","6","1") = "6"
    & skf21("4","7","5","4","6","7","7","1") = "6"
    & skf21("4","7","5","4","7","1","1","1") = "6"
    & skf21("4","7","5","4","7","1","2","1") = "6"
    & skf21("4","7","5","4","7","1","3","1") = "6"
    & skf21("4","7","5","4","7","1","4","1") = "6"
    & skf21("4","7","5","4","7","1","5","1") = "6"
    & skf21("4","7","5","4","7","1","6","1") = "6"
    & skf21("4","7","5","4","7","1","7","1") = "6"
    & skf21("4","7","5","4","7","2","1","1") = "6"
    & skf21("4","7","5","4","7","2","2","1") = "6"
    & skf21("4","7","5","4","7","2","3","1") = "6"
    & skf21("4","7","5","4","7","2","4","1") = "6"
    & skf21("4","7","5","4","7","2","5","1") = "6"
    & skf21("4","7","5","4","7","2","6","1") = "6"
    & skf21("4","7","5","4","7","2","7","1") = "6"
    & skf21("4","7","5","4","7","3","1","1") = "6"
    & skf21("4","7","5","4","7","3","2","1") = "6"
    & skf21("4","7","5","4","7","3","3","1") = "6"
    & skf21("4","7","5","4","7","3","4","1") = "6"
    & skf21("4","7","5","4","7","3","5","1") = "6"
    & skf21("4","7","5","4","7","3","6","1") = "6"
    & skf21("4","7","5","4","7","3","7","1") = "6"
    & skf21("4","7","5","4","7","4","1","1") = "6"
    & skf21("4","7","5","4","7","4","2","1") = "6"
    & skf21("4","7","5","4","7","4","3","1") = "6"
    & skf21("4","7","5","4","7","4","4","1") = "6"
    & skf21("4","7","5","4","7","4","5","1") = "6"
    & skf21("4","7","5","4","7","4","6","1") = "6"
    & skf21("4","7","5","4","7","4","7","1") = "6"
    & skf21("4","7","5","4","7","5","1","1") = "6"
    & skf21("4","7","5","4","7","5","2","1") = "6"
    & skf21("4","7","5","4","7","5","3","1") = "6"
    & skf21("4","7","5","4","7","5","4","1") = "6"
    & skf21("4","7","5","4","7","5","5","1") = "6"
    & skf21("4","7","5","4","7","5","6","1") = "6"
    & skf21("4","7","5","4","7","5","7","1") = "6"
    & skf21("4","7","5","4","7","6","1","1") = "6"
    & skf21("4","7","5","4","7","6","2","1") = "6"
    & skf21("4","7","5","4","7","6","3","1") = "6"
    & skf21("4","7","5","4","7","6","4","1") = "6"
    & skf21("4","7","5","4","7","6","5","1") = "6"
    & skf21("4","7","5","4","7","6","6","1") = "6"
    & skf21("4","7","5","4","7","6","7","1") = "6"
    & skf21("4","7","5","4","7","7","1","1") = "6"
    & skf21("4","7","5","4","7","7","2","1") = "6"
    & skf21("4","7","5","4","7","7","3","1") = "6"
    & skf21("4","7","5","4","7","7","4","1") = "6"
    & skf21("4","7","5","4","7","7","5","1") = "6"
    & skf21("4","7","5","4","7","7","6","1") = "6"
    & skf21("4","7","5","4","7","7","7","1") = "6"
    & skf21("4","7","5","5","1","1","1","1") = "6"
    & skf21("4","7","5","5","1","1","2","1") = "6"
    & skf21("4","7","5","5","1","1","3","1") = "6"
    & skf21("4","7","5","5","1","1","4","1") = "6"
    & skf21("4","7","5","5","1","1","5","1") = "6"
    & skf21("4","7","5","5","1","1","6","1") = "6"
    & skf21("4","7","5","5","1","1","7","1") = "6"
    & skf21("4","7","5","5","1","2","1","1") = "6"
    & skf21("4","7","5","5","1","2","2","1") = "6"
    & skf21("4","7","5","5","1","2","3","1") = "6"
    & skf21("4","7","5","5","1","2","4","1") = "6"
    & skf21("4","7","5","5","1","2","5","1") = "6"
    & skf21("4","7","5","5","1","2","6","1") = "6"
    & skf21("4","7","5","5","1","2","7","1") = "6"
    & skf21("4","7","5","5","1","3","1","1") = "6"
    & skf21("4","7","5","5","1","3","2","1") = "6"
    & skf21("4","7","5","5","1","3","3","1") = "6"
    & skf21("4","7","5","5","1","3","4","1") = "6"
    & skf21("4","7","5","5","1","3","5","1") = "6"
    & skf21("4","7","5","5","1","3","6","1") = "6"
    & skf21("4","7","5","5","1","3","7","1") = "6"
    & skf21("4","7","5","5","1","4","1","1") = "6"
    & skf21("4","7","5","5","1","4","2","1") = "6"
    & skf21("4","7","5","5","1","4","3","1") = "6"
    & skf21("4","7","5","5","1","4","4","1") = "6"
    & skf21("4","7","5","5","1","4","5","1") = "6"
    & skf21("4","7","5","5","1","4","6","1") = "6"
    & skf21("4","7","5","5","1","4","7","1") = "6"
    & skf21("4","7","5","5","1","5","1","1") = "6"
    & skf21("4","7","5","5","1","5","2","1") = "6"
    & skf21("4","7","5","5","1","5","3","1") = "6"
    & skf21("4","7","5","5","1","5","4","1") = "6"
    & skf21("4","7","5","5","1","5","5","1") = "6"
    & skf21("4","7","5","5","1","5","6","1") = "6"
    & skf21("4","7","5","5","1","5","7","1") = "6"
    & skf21("4","7","5","5","1","6","1","1") = "6"
    & skf21("4","7","5","5","1","6","2","1") = "6"
    & skf21("4","7","5","5","1","6","3","1") = "6"
    & skf21("4","7","5","5","1","6","4","1") = "6"
    & skf21("4","7","5","5","1","6","5","1") = "6"
    & skf21("4","7","5","5","1","6","6","1") = "6"
    & skf21("4","7","5","5","1","6","7","1") = "6"
    & skf21("4","7","5","5","1","7","1","1") = "6"
    & skf21("4","7","5","5","1","7","2","1") = "6"
    & skf21("4","7","5","5","1","7","3","1") = "6"
    & skf21("4","7","5","5","1","7","4","1") = "6"
    & skf21("4","7","5","5","1","7","5","1") = "6"
    & skf21("4","7","5","5","1","7","6","1") = "6"
    & skf21("4","7","5","5","1","7","7","1") = "6"
    & skf21("4","7","5","5","2","1","1","1") = "6"
    & skf21("4","7","5","5","2","1","2","1") = "6"
    & skf21("4","7","5","5","2","1","3","1") = "6"
    & skf21("4","7","5","5","2","1","4","1") = "6"
    & skf21("4","7","5","5","2","1","5","1") = "6"
    & skf21("4","7","5","5","2","1","6","1") = "6"
    & skf21("4","7","5","5","2","1","7","1") = "6"
    & skf21("4","7","5","5","2","2","1","1") = "6"
    & skf21("4","7","5","5","2","2","2","1") = "6"
    & skf21("4","7","5","5","2","2","3","1") = "6"
    & skf21("4","7","5","5","2","2","4","1") = "6"
    & skf21("4","7","5","5","2","2","5","1") = "6"
    & skf21("4","7","5","5","2","2","6","1") = "6"
    & skf21("4","7","5","5","2","2","7","1") = "6"
    & skf21("4","7","5","5","2","3","1","1") = "6"
    & skf21("4","7","5","5","2","3","2","1") = "6"
    & skf21("4","7","5","5","2","3","3","1") = "6"
    & skf21("4","7","5","5","2","3","4","1") = "6"
    & skf21("4","7","5","5","2","3","5","1") = "6"
    & skf21("4","7","5","5","2","3","6","1") = "6"
    & skf21("4","7","5","5","2","3","7","1") = "6"
    & skf21("4","7","5","5","2","4","1","1") = "6"
    & skf21("4","7","5","5","2","4","2","1") = "6"
    & skf21("4","7","5","5","2","4","3","1") = "6"
    & skf21("4","7","5","5","2","4","4","1") = "6"
    & skf21("4","7","5","5","2","4","5","1") = "6"
    & skf21("4","7","5","5","2","4","6","1") = "6"
    & skf21("4","7","5","5","2","4","7","1") = "6"
    & skf21("4","7","5","5","2","5","1","1") = "6"
    & skf21("4","7","5","5","2","5","2","1") = "6"
    & skf21("4","7","5","5","2","5","3","1") = "6"
    & skf21("4","7","5","5","2","5","4","1") = "6"
    & skf21("4","7","5","5","2","5","5","1") = "6"
    & skf21("4","7","5","5","2","5","6","1") = "6"
    & skf21("4","7","5","5","2","5","7","1") = "6"
    & skf21("4","7","5","5","2","6","1","1") = "6"
    & skf21("4","7","5","5","2","6","2","1") = "6"
    & skf21("4","7","5","5","2","6","3","1") = "6"
    & skf21("4","7","5","5","2","6","4","1") = "6"
    & skf21("4","7","5","5","2","6","5","1") = "6"
    & skf21("4","7","5","5","2","6","6","1") = "6"
    & skf21("4","7","5","5","2","6","7","1") = "6"
    & skf21("4","7","5","5","2","7","1","1") = "6"
    & skf21("4","7","5","5","2","7","2","1") = "6"
    & skf21("4","7","5","5","2","7","3","1") = "6"
    & skf21("4","7","5","5","2","7","4","1") = "6"
    & skf21("4","7","5","5","2","7","5","1") = "6"
    & skf21("4","7","5","5","2","7","6","1") = "6"
    & skf21("4","7","5","5","2","7","7","1") = "6"
    & skf21("4","7","5","5","3","1","1","1") = "6"
    & skf21("4","7","5","5","3","1","2","1") = "6"
    & skf21("4","7","5","5","3","1","3","1") = "6"
    & skf21("4","7","5","5","3","1","4","1") = "6"
    & skf21("4","7","5","5","3","1","5","1") = "6"
    & skf21("4","7","5","5","3","1","6","1") = "6"
    & skf21("4","7","5","5","3","1","7","1") = "6"
    & skf21("4","7","5","5","3","2","1","1") = "6"
    & skf21("4","7","5","5","3","2","2","1") = "6"
    & skf21("4","7","5","5","3","2","3","1") = "6"
    & skf21("4","7","5","5","3","2","4","1") = "6"
    & skf21("4","7","5","5","3","2","5","1") = "6"
    & skf21("4","7","5","5","3","2","6","1") = "6"
    & skf21("4","7","5","5","3","2","7","1") = "6"
    & skf21("4","7","5","5","3","3","1","1") = "6"
    & skf21("4","7","5","5","3","3","2","1") = "6"
    & skf21("4","7","5","5","3","3","3","1") = "6"
    & skf21("4","7","5","5","3","3","4","1") = "6"
    & skf21("4","7","5","5","3","3","5","1") = "6"
    & skf21("4","7","5","5","3","3","6","1") = "6"
    & skf21("4","7","5","5","3","3","7","1") = "6"
    & skf21("4","7","5","5","3","4","1","1") = "6"
    & skf21("4","7","5","5","3","4","2","1") = "6"
    & skf21("4","7","5","5","3","4","3","1") = "6"
    & skf21("4","7","5","5","3","4","4","1") = "6"
    & skf21("4","7","5","5","3","4","5","1") = "6"
    & skf21("4","7","5","5","3","4","6","1") = "6"
    & skf21("4","7","5","5","3","4","7","1") = "6"
    & skf21("4","7","5","5","3","5","1","1") = "6"
    & skf21("4","7","5","5","3","5","2","1") = "6"
    & skf21("4","7","5","5","3","5","3","1") = "6"
    & skf21("4","7","5","5","3","5","4","1") = "6"
    & skf21("4","7","5","5","3","5","5","1") = "6"
    & skf21("4","7","5","5","3","5","6","1") = "6"
    & skf21("4","7","5","5","3","5","7","1") = "6"
    & skf21("4","7","5","5","3","6","1","1") = "6"
    & skf21("4","7","5","5","3","6","2","1") = "6"
    & skf21("4","7","5","5","3","6","3","1") = "6"
    & skf21("4","7","5","5","3","6","4","1") = "6"
    & skf21("4","7","5","5","3","6","5","1") = "6"
    & skf21("4","7","5","5","3","6","6","1") = "6"
    & skf21("4","7","5","5","3","6","7","1") = "6"
    & skf21("4","7","5","5","3","7","1","1") = "6"
    & skf21("4","7","5","5","3","7","2","1") = "6"
    & skf21("4","7","5","5","3","7","3","1") = "6"
    & skf21("4","7","5","5","3","7","4","1") = "6"
    & skf21("4","7","5","5","3","7","5","1") = "6"
    & skf21("4","7","5","5","3","7","6","1") = "6"
    & skf21("4","7","5","5","3","7","7","1") = "6"
    & skf21("4","7","5","5","4","1","1","1") = "6"
    & skf21("4","7","5","5","4","1","2","1") = "6"
    & skf21("4","7","5","5","4","1","3","1") = "6"
    & skf21("4","7","5","5","4","1","4","1") = "6"
    & skf21("4","7","5","5","4","1","5","1") = "6"
    & skf21("4","7","5","5","4","1","6","1") = "6"
    & skf21("4","7","5","5","4","1","7","1") = "6"
    & skf21("4","7","5","5","4","2","1","1") = "6"
    & skf21("4","7","5","5","4","2","2","1") = "6"
    & skf21("4","7","5","5","4","2","3","1") = "6"
    & skf21("4","7","5","5","4","2","4","1") = "6"
    & skf21("4","7","5","5","4","2","5","1") = "6"
    & skf21("4","7","5","5","4","2","6","1") = "6"
    & skf21("4","7","5","5","4","2","7","1") = "6"
    & skf21("4","7","5","5","4","3","1","1") = "6"
    & skf21("4","7","5","5","4","3","2","1") = "6"
    & skf21("4","7","5","5","4","3","3","1") = "6"
    & skf21("4","7","5","5","4","3","4","1") = "6"
    & skf21("4","7","5","5","4","3","5","1") = "6"
    & skf21("4","7","5","5","4","3","6","1") = "6"
    & skf21("4","7","5","5","4","3","7","1") = "6"
    & skf21("4","7","5","5","4","4","1","1") = "6"
    & skf21("4","7","5","5","4","4","2","1") = "6"
    & skf21("4","7","5","5","4","4","3","1") = "6"
    & skf21("4","7","5","5","4","4","4","1") = "6"
    & skf21("4","7","5","5","4","4","5","1") = "6"
    & skf21("4","7","5","5","4","4","6","1") = "6"
    & skf21("4","7","5","5","4","4","7","1") = "6"
    & skf21("4","7","5","5","4","5","1","1") = "6"
    & skf21("4","7","5","5","4","5","2","1") = "6"
    & skf21("4","7","5","5","4","5","3","1") = "6"
    & skf21("4","7","5","5","4","5","4","1") = "6"
    & skf21("4","7","5","5","4","5","5","1") = "6"
    & skf21("4","7","5","5","4","5","6","1") = "6"
    & skf21("4","7","5","5","4","5","7","1") = "6"
    & skf21("4","7","5","5","4","6","1","1") = "6"
    & skf21("4","7","5","5","4","6","2","1") = "6"
    & skf21("4","7","5","5","4","6","3","1") = "6"
    & skf21("4","7","5","5","4","6","4","1") = "6"
    & skf21("4","7","5","5","4","6","5","1") = "6"
    & skf21("4","7","5","5","4","6","6","1") = "6"
    & skf21("4","7","5","5","4","6","7","1") = "6"
    & skf21("4","7","5","5","4","7","1","1") = "6"
    & skf21("4","7","5","5","4","7","2","1") = "6"
    & skf21("4","7","5","5","4","7","3","1") = "6"
    & skf21("4","7","5","5","4","7","4","1") = "6"
    & skf21("4","7","5","5","4","7","5","1") = "6"
    & skf21("4","7","5","5","4","7","6","1") = "6"
    & skf21("4","7","5","5","4","7","7","1") = "6"
    & skf21("4","7","5","5","5","1","1","1") = "6"
    & skf21("4","7","5","5","5","1","2","1") = "6"
    & skf21("4","7","5","5","5","1","3","1") = "6"
    & skf21("4","7","5","5","5","1","4","1") = "6"
    & skf21("4","7","5","5","5","1","5","1") = "6"
    & skf21("4","7","5","5","5","1","6","1") = "6"
    & skf21("4","7","5","5","5","1","7","1") = "6"
    & skf21("4","7","5","5","5","2","1","1") = "6"
    & skf21("4","7","5","5","5","2","2","1") = "6"
    & skf21("4","7","5","5","5","2","3","1") = "6"
    & skf21("4","7","5","5","5","2","4","1") = "6"
    & skf21("4","7","5","5","5","2","5","1") = "6"
    & skf21("4","7","5","5","5","2","6","1") = "6"
    & skf21("4","7","5","5","5","2","7","1") = "6"
    & skf21("4","7","5","5","5","3","1","1") = "6"
    & skf21("4","7","5","5","5","3","2","1") = "6"
    & skf21("4","7","5","5","5","3","3","1") = "6"
    & skf21("4","7","5","5","5","3","4","1") = "6"
    & skf21("4","7","5","5","5","3","5","1") = "6"
    & skf21("4","7","5","5","5","3","6","1") = "6"
    & skf21("4","7","5","5","5","3","7","1") = "6"
    & skf21("4","7","5","5","5","4","1","1") = "6"
    & skf21("4","7","5","5","5","4","2","1") = "6"
    & skf21("4","7","5","5","5","4","3","1") = "6"
    & skf21("4","7","5","5","5","4","4","1") = "6"
    & skf21("4","7","5","5","5","4","5","1") = "6"
    & skf21("4","7","5","5","5","4","6","1") = "6"
    & skf21("4","7","5","5","5","4","7","1") = "6"
    & skf21("4","7","5","5","5","5","1","1") = "6"
    & skf21("4","7","5","5","5","5","2","1") = "6"
    & skf21("4","7","5","5","5","5","3","1") = "6"
    & skf21("4","7","5","5","5","5","4","1") = "6"
    & skf21("4","7","5","5","5","5","5","1") = "6"
    & skf21("4","7","5","5","5","5","6","1") = "6"
    & skf21("4","7","5","5","5","5","7","1") = "6"
    & skf21("4","7","5","5","5","6","1","1") = "6"
    & skf21("4","7","5","5","5","6","2","1") = "6"
    & skf21("4","7","5","5","5","6","3","1") = "6"
    & skf21("4","7","5","5","5","6","4","1") = "6"
    & skf21("4","7","5","5","5","6","5","1") = "6"
    & skf21("4","7","5","5","5","6","6","1") = "6"
    & skf21("4","7","5","5","5","6","7","1") = "6"
    & skf21("4","7","5","5","5","7","1","1") = "6"
    & skf21("4","7","5","5","5","7","2","1") = "6"
    & skf21("4","7","5","5","5","7","3","1") = "6"
    & skf21("4","7","5","5","5","7","4","1") = "6"
    & skf21("4","7","5","5","5","7","5","1") = "6"
    & skf21("4","7","5","5","5","7","6","1") = "6"
    & skf21("4","7","5","5","5","7","7","1") = "6"
    & skf21("4","7","5","5","6","1","1","1") = "6"
    & skf21("4","7","5","5","6","1","2","1") = "6"
    & skf21("4","7","5","5","6","1","3","1") = "6"
    & skf21("4","7","5","5","6","1","4","1") = "6"
    & skf21("4","7","5","5","6","1","5","1") = "6"
    & skf21("4","7","5","5","6","1","6","1") = "6"
    & skf21("4","7","5","5","6","1","7","1") = "6"
    & skf21("4","7","5","5","6","2","1","1") = "6"
    & skf21("4","7","5","5","6","2","2","1") = "6"
    & skf21("4","7","5","5","6","2","3","1") = "6"
    & skf21("4","7","5","5","6","2","4","1") = "6"
    & skf21("4","7","5","5","6","2","5","1") = "6"
    & skf21("4","7","5","5","6","2","6","1") = "6"
    & skf21("4","7","5","5","6","2","7","1") = "6"
    & skf21("4","7","5","5","6","3","1","1") = "6"
    & skf21("4","7","5","5","6","3","2","1") = "6"
    & skf21("4","7","5","5","6","3","3","1") = "6"
    & skf21("4","7","5","5","6","3","4","1") = "6"
    & skf21("4","7","5","5","6","3","5","1") = "6"
    & skf21("4","7","5","5","6","3","6","1") = "6"
    & skf21("4","7","5","5","6","3","7","1") = "6"
    & skf21("4","7","5","5","6","4","1","1") = "6"
    & skf21("4","7","5","5","6","4","2","1") = "6"
    & skf21("4","7","5","5","6","4","3","1") = "6"
    & skf21("4","7","5","5","6","4","4","1") = "6"
    & skf21("4","7","5","5","6","4","5","1") = "6"
    & skf21("4","7","5","5","6","4","6","1") = "6"
    & skf21("4","7","5","5","6","4","7","1") = "6"
    & skf21("4","7","5","5","6","5","1","1") = "6"
    & skf21("4","7","5","5","6","5","2","1") = "6"
    & skf21("4","7","5","5","6","5","3","1") = "6"
    & skf21("4","7","5","5","6","5","4","1") = "6"
    & skf21("4","7","5","5","6","5","5","1") = "6"
    & skf21("4","7","5","5","6","5","6","1") = "6"
    & skf21("4","7","5","5","6","5","7","1") = "6"
    & skf21("4","7","5","5","6","6","1","1") = "6"
    & skf21("4","7","5","5","6","6","2","1") = "6"
    & skf21("4","7","5","5","6","6","3","1") = "6"
    & skf21("4","7","5","5","6","6","4","1") = "6"
    & skf21("4","7","5","5","6","6","5","1") = "6"
    & skf21("4","7","5","5","6","6","6","1") = "6"
    & skf21("4","7","5","5","6","6","7","1") = "6"
    & skf21("4","7","5","5","6","7","1","1") = "6"
    & skf21("4","7","5","5","6","7","2","1") = "6"
    & skf21("4","7","5","5","6","7","3","1") = "6"
    & skf21("4","7","5","5","6","7","4","1") = "6"
    & skf21("4","7","5","5","6","7","5","1") = "6"
    & skf21("4","7","5","5","6","7","6","1") = "6"
    & skf21("4","7","5","5","6","7","7","1") = "6"
    & skf21("4","7","5","5","7","1","1","1") = "6"
    & skf21("4","7","5","5","7","1","2","1") = "6"
    & skf21("4","7","5","5","7","1","3","1") = "6"
    & skf21("4","7","5","5","7","1","4","1") = "6"
    & skf21("4","7","5","5","7","1","5","1") = "6"
    & skf21("4","7","5","5","7","1","6","1") = "6"
    & skf21("4","7","5","5","7","1","7","1") = "6"
    & skf21("4","7","5","5","7","2","1","1") = "6"
    & skf21("4","7","5","5","7","2","2","1") = "6"
    & skf21("4","7","5","5","7","2","3","1") = "6"
    & skf21("4","7","5","5","7","2","4","1") = "6"
    & skf21("4","7","5","5","7","2","5","1") = "6"
    & skf21("4","7","5","5","7","2","6","1") = "6"
    & skf21("4","7","5","5","7","2","7","1") = "6"
    & skf21("4","7","5","5","7","3","1","1") = "6"
    & skf21("4","7","5","5","7","3","2","1") = "6"
    & skf21("4","7","5","5","7","3","3","1") = "6"
    & skf21("4","7","5","5","7","3","4","1") = "6"
    & skf21("4","7","5","5","7","3","5","1") = "6"
    & skf21("4","7","5","5","7","3","6","1") = "6"
    & skf21("4","7","5","5","7","3","7","1") = "6"
    & skf21("4","7","5","5","7","4","1","1") = "6"
    & skf21("4","7","5","5","7","4","2","1") = "6"
    & skf21("4","7","5","5","7","4","3","1") = "6"
    & skf21("4","7","5","5","7","4","4","1") = "6"
    & skf21("4","7","5","5","7","4","5","1") = "6"
    & skf21("4","7","5","5","7","4","6","1") = "6"
    & skf21("4","7","5","5","7","4","7","1") = "6"
    & skf21("4","7","5","5","7","5","1","1") = "6"
    & skf21("4","7","5","5","7","5","2","1") = "6"
    & skf21("4","7","5","5","7","5","3","1") = "6"
    & skf21("4","7","5","5","7","5","4","1") = "6"
    & skf21("4","7","5","5","7","5","5","1") = "6"
    & skf21("4","7","5","5","7","5","6","1") = "6"
    & skf21("4","7","5","5","7","5","7","1") = "6"
    & skf21("4","7","5","5","7","6","1","1") = "6"
    & skf21("4","7","5","5","7","6","2","1") = "6"
    & skf21("4","7","5","5","7","6","3","1") = "6"
    & skf21("4","7","5","5","7","6","4","1") = "6"
    & skf21("4","7","5","5","7","6","5","1") = "6"
    & skf21("4","7","5","5","7","6","6","1") = "6"
    & skf21("4","7","5","5","7","6","7","1") = "6"
    & skf21("4","7","5","5","7","7","1","1") = "6"
    & skf21("4","7","5","5","7","7","2","1") = "6"
    & skf21("4","7","5","5","7","7","3","1") = "6"
    & skf21("4","7","5","5","7","7","4","1") = "6"
    & skf21("4","7","5","5","7","7","5","1") = "6"
    & skf21("4","7","5","5","7","7","6","1") = "6"
    & skf21("4","7","5","5","7","7","7","1") = "6"
    & skf21("4","7","5","6","1","1","1","1") = "6"
    & skf21("4","7","5","6","1","1","2","1") = "6"
    & skf21("4","7","5","6","1","1","3","1") = "6"
    & skf21("4","7","5","6","1","1","4","1") = "6"
    & skf21("4","7","5","6","1","1","5","1") = "6"
    & skf21("4","7","5","6","1","1","6","1") = "6"
    & skf21("4","7","5","6","1","1","7","1") = "6"
    & skf21("4","7","5","6","1","2","1","1") = "6"
    & skf21("4","7","5","6","1","2","2","1") = "6"
    & skf21("4","7","5","6","1","2","3","1") = "6"
    & skf21("4","7","5","6","1","2","4","1") = "6"
    & skf21("4","7","5","6","1","2","5","1") = "6"
    & skf21("4","7","5","6","1","2","6","1") = "6"
    & skf21("4","7","5","6","1","2","7","1") = "6"
    & skf21("4","7","5","6","1","3","1","1") = "6"
    & skf21("4","7","5","6","1","3","2","1") = "6"
    & skf21("4","7","5","6","1","3","3","1") = "6"
    & skf21("4","7","5","6","1","3","4","1") = "6"
    & skf21("4","7","5","6","1","3","5","1") = "6"
    & skf21("4","7","5","6","1","3","6","1") = "6"
    & skf21("4","7","5","6","1","3","7","1") = "6"
    & skf21("4","7","5","6","1","4","1","1") = "6"
    & skf21("4","7","5","6","1","4","2","1") = "6"
    & skf21("4","7","5","6","1","4","3","1") = "6"
    & skf21("4","7","5","6","1","4","4","1") = "6"
    & skf21("4","7","5","6","1","4","5","1") = "6"
    & skf21("4","7","5","6","1","4","6","1") = "6"
    & skf21("4","7","5","6","1","4","7","1") = "6"
    & skf21("4","7","5","6","1","5","1","1") = "6"
    & skf21("4","7","5","6","1","5","2","1") = "6"
    & skf21("4","7","5","6","1","5","3","1") = "6"
    & skf21("4","7","5","6","1","5","4","1") = "6"
    & skf21("4","7","5","6","1","5","5","1") = "6"
    & skf21("4","7","5","6","1","5","6","1") = "6"
    & skf21("4","7","5","6","1","5","7","1") = "6"
    & skf21("4","7","5","6","1","6","1","1") = "6"
    & skf21("4","7","5","6","1","6","2","1") = "6"
    & skf21("4","7","5","6","1","6","3","1") = "6"
    & skf21("4","7","5","6","1","6","4","1") = "6"
    & skf21("4","7","5","6","1","6","5","1") = "6"
    & skf21("4","7","5","6","1","6","6","1") = "6"
    & skf21("4","7","5","6","1","6","7","1") = "6"
    & skf21("4","7","5","6","1","7","1","1") = "6"
    & skf21("4","7","5","6","1","7","2","1") = "6"
    & skf21("4","7","5","6","1","7","3","1") = "6"
    & skf21("4","7","5","6","1","7","4","1") = "6"
    & skf21("4","7","5","6","1","7","5","1") = "6"
    & skf21("4","7","5","6","1","7","6","1") = "6"
    & skf21("4","7","5","6","1","7","7","1") = "6"
    & skf21("4","7","5","6","2","1","1","1") = "6"
    & skf21("4","7","5","6","2","1","2","1") = "6"
    & skf21("4","7","5","6","2","1","3","1") = "6"
    & skf21("4","7","5","6","2","1","4","1") = "6"
    & skf21("4","7","5","6","2","1","5","1") = "6"
    & skf21("4","7","5","6","2","1","6","1") = "6"
    & skf21("4","7","5","6","2","1","7","1") = "6"
    & skf21("4","7","5","6","2","2","1","1") = "6"
    & skf21("4","7","5","6","2","2","2","1") = "6"
    & skf21("4","7","5","6","2","2","3","1") = "6"
    & skf21("4","7","5","6","2","2","4","1") = "6"
    & skf21("4","7","5","6","2","2","5","1") = "6"
    & skf21("4","7","5","6","2","2","6","1") = "6"
    & skf21("4","7","5","6","2","2","7","1") = "6"
    & skf21("4","7","5","6","2","3","1","1") = "6"
    & skf21("4","7","5","6","2","3","2","1") = "6"
    & skf21("4","7","5","6","2","3","3","1") = "6"
    & skf21("4","7","5","6","2","3","4","1") = "6"
    & skf21("4","7","5","6","2","3","5","1") = "6"
    & skf21("4","7","5","6","2","3","6","1") = "6"
    & skf21("4","7","5","6","2","3","7","1") = "6"
    & skf21("4","7","5","6","2","4","1","1") = "6"
    & skf21("4","7","5","6","2","4","2","1") = "6"
    & skf21("4","7","5","6","2","4","3","1") = "6"
    & skf21("4","7","5","6","2","4","4","1") = "6"
    & skf21("4","7","5","6","2","4","5","1") = "6"
    & skf21("4","7","5","6","2","4","6","1") = "6"
    & skf21("4","7","5","6","2","4","7","1") = "6"
    & skf21("4","7","5","6","2","5","1","1") = "6"
    & skf21("4","7","5","6","2","5","2","1") = "6"
    & skf21("4","7","5","6","2","5","3","1") = "6"
    & skf21("4","7","5","6","2","5","4","1") = "6"
    & skf21("4","7","5","6","2","5","5","1") = "6"
    & skf21("4","7","5","6","2","5","6","1") = "6"
    & skf21("4","7","5","6","2","5","7","1") = "6"
    & skf21("4","7","5","6","2","6","1","1") = "6"
    & skf21("4","7","5","6","2","6","2","1") = "6"
    & skf21("4","7","5","6","2","6","3","1") = "6"
    & skf21("4","7","5","6","2","6","4","1") = "6"
    & skf21("4","7","5","6","2","6","5","1") = "6"
    & skf21("4","7","5","6","2","6","6","1") = "6"
    & skf21("4","7","5","6","2","6","7","1") = "6"
    & skf21("4","7","5","6","2","7","1","1") = "6"
    & skf21("4","7","5","6","2","7","2","1") = "6"
    & skf21("4","7","5","6","2","7","3","1") = "6"
    & skf21("4","7","5","6","2","7","4","1") = "6"
    & skf21("4","7","5","6","2","7","5","1") = "6"
    & skf21("4","7","5","6","2","7","6","1") = "6"
    & skf21("4","7","5","6","2","7","7","1") = "6"
    & skf21("4","7","5","6","3","1","1","1") = "6"
    & skf21("4","7","5","6","3","1","2","1") = "6"
    & skf21("4","7","5","6","3","1","3","1") = "6"
    & skf21("4","7","5","6","3","1","4","1") = "6"
    & skf21("4","7","5","6","3","1","5","1") = "6"
    & skf21("4","7","5","6","3","1","6","1") = "6"
    & skf21("4","7","5","6","3","1","7","1") = "6"
    & skf21("4","7","5","6","3","2","1","1") = "6"
    & skf21("4","7","5","6","3","2","2","1") = "6"
    & skf21("4","7","5","6","3","2","3","1") = "6"
    & skf21("4","7","5","6","3","2","4","1") = "6"
    & skf21("4","7","5","6","3","2","5","1") = "6"
    & skf21("4","7","5","6","3","2","6","1") = "6"
    & skf21("4","7","5","6","3","2","7","1") = "6"
    & skf21("4","7","5","6","3","3","1","1") = "6"
    & skf21("4","7","5","6","3","3","2","1") = "6"
    & skf21("4","7","5","6","3","3","3","1") = "6"
    & skf21("4","7","5","6","3","3","4","1") = "6"
    & skf21("4","7","5","6","3","3","5","1") = "6"
    & skf21("4","7","5","6","3","3","6","1") = "6"
    & skf21("4","7","5","6","3","3","7","1") = "6"
    & skf21("4","7","5","6","3","4","1","1") = "6"
    & skf21("4","7","5","6","3","4","2","1") = "6"
    & skf21("4","7","5","6","3","4","3","1") = "6"
    & skf21("4","7","5","6","3","4","4","1") = "6"
    & skf21("4","7","5","6","3","4","5","1") = "6"
    & skf21("4","7","5","6","3","4","6","1") = "6"
    & skf21("4","7","5","6","3","4","7","1") = "6"
    & skf21("4","7","5","6","3","5","1","1") = "6"
    & skf21("4","7","5","6","3","5","2","1") = "6"
    & skf21("4","7","5","6","3","5","3","1") = "6"
    & skf21("4","7","5","6","3","5","4","1") = "6"
    & skf21("4","7","5","6","3","5","5","1") = "6"
    & skf21("4","7","5","6","3","5","6","1") = "6"
    & skf21("4","7","5","6","3","5","7","1") = "6"
    & skf21("4","7","5","6","3","6","1","1") = "6"
    & skf21("4","7","5","6","3","6","2","1") = "6"
    & skf21("4","7","5","6","3","6","3","1") = "6"
    & skf21("4","7","5","6","3","6","4","1") = "6"
    & skf21("4","7","5","6","3","6","5","1") = "6"
    & skf21("4","7","5","6","3","6","6","1") = "6"
    & skf21("4","7","5","6","3","6","7","1") = "6"
    & skf21("4","7","5","6","3","7","1","1") = "6"
    & skf21("4","7","5","6","3","7","2","1") = "6"
    & skf21("4","7","5","6","3","7","3","1") = "6"
    & skf21("4","7","5","6","3","7","4","1") = "6"
    & skf21("4","7","5","6","3","7","5","1") = "6"
    & skf21("4","7","5","6","3","7","6","1") = "6"
    & skf21("4","7","5","6","3","7","7","1") = "6"
    & skf21("4","7","5","6","4","1","1","1") = "6"
    & skf21("4","7","5","6","4","1","2","1") = "6"
    & skf21("4","7","5","6","4","1","3","1") = "6"
    & skf21("4","7","5","6","4","1","4","1") = "6"
    & skf21("4","7","5","6","4","1","5","1") = "6"
    & skf21("4","7","5","6","4","1","6","1") = "6"
    & skf21("4","7","5","6","4","1","7","1") = "6"
    & skf21("4","7","5","6","4","2","1","1") = "6"
    & skf21("4","7","5","6","4","2","2","1") = "6"
    & skf21("4","7","5","6","4","2","3","1") = "6"
    & skf21("4","7","5","6","4","2","4","1") = "6"
    & skf21("4","7","5","6","4","2","5","1") = "6"
    & skf21("4","7","5","6","4","2","6","1") = "6"
    & skf21("4","7","5","6","4","2","7","1") = "6"
    & skf21("4","7","5","6","4","3","1","1") = "6"
    & skf21("4","7","5","6","4","3","2","1") = "6"
    & skf21("4","7","5","6","4","3","3","1") = "6"
    & skf21("4","7","5","6","4","3","4","1") = "6"
    & skf21("4","7","5","6","4","3","5","1") = "6"
    & skf21("4","7","5","6","4","3","6","1") = "6"
    & skf21("4","7","5","6","4","3","7","1") = "6"
    & skf21("4","7","5","6","4","4","1","1") = "6"
    & skf21("4","7","5","6","4","4","2","1") = "6"
    & skf21("4","7","5","6","4","4","3","1") = "6"
    & skf21("4","7","5","6","4","4","4","1") = "6"
    & skf21("4","7","5","6","4","4","5","1") = "6"
    & skf21("4","7","5","6","4","4","6","1") = "6"
    & skf21("4","7","5","6","4","4","7","1") = "6"
    & skf21("4","7","5","6","4","5","1","1") = "6"
    & skf21("4","7","5","6","4","5","2","1") = "6"
    & skf21("4","7","5","6","4","5","3","1") = "6"
    & skf21("4","7","5","6","4","5","4","1") = "6"
    & skf21("4","7","5","6","4","5","5","1") = "6"
    & skf21("4","7","5","6","4","5","6","1") = "6"
    & skf21("4","7","5","6","4","5","7","1") = "6"
    & skf21("4","7","5","6","4","6","1","1") = "6"
    & skf21("4","7","5","6","4","6","2","1") = "6"
    & skf21("4","7","5","6","4","6","3","1") = "6"
    & skf21("4","7","5","6","4","6","4","1") = "6"
    & skf21("4","7","5","6","4","6","5","1") = "6"
    & skf21("4","7","5","6","4","6","6","1") = "6"
    & skf21("4","7","5","6","4","6","7","1") = "6"
    & skf21("4","7","5","6","4","7","1","1") = "6"
    & skf21("4","7","5","6","4","7","2","1") = "6"
    & skf21("4","7","5","6","4","7","3","1") = "6"
    & skf21("4","7","5","6","4","7","4","1") = "6"
    & skf21("4","7","5","6","4","7","5","1") = "6"
    & skf21("4","7","5","6","4","7","6","1") = "6"
    & skf21("4","7","5","6","4","7","7","1") = "6"
    & skf21("4","7","5","6","5","1","1","1") = "6"
    & skf21("4","7","5","6","5","1","2","1") = "6"
    & skf21("4","7","5","6","5","1","3","1") = "6"
    & skf21("4","7","5","6","5","1","4","1") = "6"
    & skf21("4","7","5","6","5","1","5","1") = "6"
    & skf21("4","7","5","6","5","1","6","1") = "6"
    & skf21("4","7","5","6","5","1","7","1") = "6"
    & skf21("4","7","5","6","5","2","1","1") = "6"
    & skf21("4","7","5","6","5","2","2","1") = "6"
    & skf21("4","7","5","6","5","2","3","1") = "6"
    & skf21("4","7","5","6","5","2","4","1") = "6"
    & skf21("4","7","5","6","5","2","5","1") = "6"
    & skf21("4","7","5","6","5","2","6","1") = "6"
    & skf21("4","7","5","6","5","2","7","1") = "6"
    & skf21("4","7","5","6","5","3","1","1") = "6"
    & skf21("4","7","5","6","5","3","2","1") = "6"
    & skf21("4","7","5","6","5","3","3","1") = "6"
    & skf21("4","7","5","6","5","3","4","1") = "6"
    & skf21("4","7","5","6","5","3","5","1") = "6"
    & skf21("4","7","5","6","5","3","6","1") = "6"
    & skf21("4","7","5","6","5","3","7","1") = "6"
    & skf21("4","7","5","6","5","4","1","1") = "6"
    & skf21("4","7","5","6","5","4","2","1") = "6"
    & skf21("4","7","5","6","5","4","3","1") = "6"
    & skf21("4","7","5","6","5","4","4","1") = "6"
    & skf21("4","7","5","6","5","4","5","1") = "6"
    & skf21("4","7","5","6","5","4","6","1") = "6"
    & skf21("4","7","5","6","5","4","7","1") = "6"
    & skf21("4","7","5","6","5","5","1","1") = "6"
    & skf21("4","7","5","6","5","5","2","1") = "6"
    & skf21("4","7","5","6","5","5","3","1") = "6"
    & skf21("4","7","5","6","5","5","4","1") = "6"
    & skf21("4","7","5","6","5","5","5","1") = "6"
    & skf21("4","7","5","6","5","5","6","1") = "6"
    & skf21("4","7","5","6","5","5","7","1") = "6"
    & skf21("4","7","5","6","5","6","1","1") = "6"
    & skf21("4","7","5","6","5","6","2","1") = "6"
    & skf21("4","7","5","6","5","6","3","1") = "6"
    & skf21("4","7","5","6","5","6","4","1") = "6"
    & skf21("4","7","5","6","5","6","5","1") = "6"
    & skf21("4","7","5","6","5","6","6","1") = "6"
    & skf21("4","7","5","6","5","6","7","1") = "6"
    & skf21("4","7","5","6","5","7","1","1") = "6"
    & skf21("4","7","5","6","5","7","2","1") = "6"
    & skf21("4","7","5","6","5","7","3","1") = "6"
    & skf21("4","7","5","6","5","7","4","1") = "6"
    & skf21("4","7","5","6","5","7","5","1") = "6"
    & skf21("4","7","5","6","5","7","6","1") = "6"
    & skf21("4","7","5","6","5","7","7","1") = "6"
    & skf21("4","7","5","6","6","1","1","1") = "6"
    & skf21("4","7","5","6","6","1","2","1") = "6"
    & skf21("4","7","5","6","6","1","3","1") = "6"
    & skf21("4","7","5","6","6","1","4","1") = "6"
    & skf21("4","7","5","6","6","1","5","1") = "6"
    & skf21("4","7","5","6","6","1","6","1") = "6"
    & skf21("4","7","5","6","6","1","7","1") = "6"
    & skf21("4","7","5","6","6","2","1","1") = "6"
    & skf21("4","7","5","6","6","2","2","1") = "6"
    & skf21("4","7","5","6","6","2","3","1") = "6"
    & skf21("4","7","5","6","6","2","4","1") = "6"
    & skf21("4","7","5","6","6","2","5","1") = "6"
    & skf21("4","7","5","6","6","2","6","1") = "6"
    & skf21("4","7","5","6","6","2","7","1") = "6"
    & skf21("4","7","5","6","6","3","1","1") = "6"
    & skf21("4","7","5","6","6","3","2","1") = "6"
    & skf21("4","7","5","6","6","3","3","1") = "6"
    & skf21("4","7","5","6","6","3","4","1") = "6"
    & skf21("4","7","5","6","6","3","5","1") = "6"
    & skf21("4","7","5","6","6","3","6","1") = "6"
    & skf21("4","7","5","6","6","3","7","1") = "6"
    & skf21("4","7","5","6","6","4","1","1") = "6"
    & skf21("4","7","5","6","6","4","2","1") = "6"
    & skf21("4","7","5","6","6","4","3","1") = "6"
    & skf21("4","7","5","6","6","4","4","1") = "6"
    & skf21("4","7","5","6","6","4","5","1") = "6"
    & skf21("4","7","5","6","6","4","6","1") = "6"
    & skf21("4","7","5","6","6","4","7","1") = "6"
    & skf21("4","7","5","6","6","5","1","1") = "6"
    & skf21("4","7","5","6","6","5","2","1") = "6"
    & skf21("4","7","5","6","6","5","3","1") = "6"
    & skf21("4","7","5","6","6","5","4","1") = "6"
    & skf21("4","7","5","6","6","5","5","1") = "6"
    & skf21("4","7","5","6","6","5","6","1") = "6"
    & skf21("4","7","5","6","6","5","7","1") = "6"
    & skf21("4","7","5","6","6","6","1","1") = "6"
    & skf21("4","7","5","6","6","6","2","1") = "6"
    & skf21("4","7","5","6","6","6","3","1") = "6"
    & skf21("4","7","5","6","6","6","4","1") = "6"
    & skf21("4","7","5","6","6","6","5","1") = "6"
    & skf21("4","7","5","6","6","6","6","1") = "6"
    & skf21("4","7","5","6","6","6","7","1") = "6"
    & skf21("4","7","5","6","6","7","1","1") = "6"
    & skf21("4","7","5","6","6","7","2","1") = "6"
    & skf21("4","7","5","6","6","7","3","1") = "6"
    & skf21("4","7","5","6","6","7","4","1") = "6"
    & skf21("4","7","5","6","6","7","5","1") = "6"
    & skf21("4","7","5","6","6","7","6","1") = "6"
    & skf21("4","7","5","6","6","7","7","1") = "6"
    & skf21("4","7","5","6","7","1","1","1") = "6"
    & skf21("4","7","5","6","7","1","2","1") = "6"
    & skf21("4","7","5","6","7","1","3","1") = "6"
    & skf21("4","7","5","6","7","1","4","1") = "6"
    & skf21("4","7","5","6","7","1","5","1") = "6"
    & skf21("4","7","5","6","7","1","6","1") = "6"
    & skf21("4","7","5","6","7","1","7","1") = "6"
    & skf21("4","7","5","6","7","2","1","1") = "6"
    & skf21("4","7","5","6","7","2","2","1") = "6"
    & skf21("4","7","5","6","7","2","3","1") = "6"
    & skf21("4","7","5","6","7","2","4","1") = "6"
    & skf21("4","7","5","6","7","2","5","1") = "6"
    & skf21("4","7","5","6","7","2","6","1") = "6"
    & skf21("4","7","5","6","7","2","7","1") = "6"
    & skf21("4","7","5","6","7","3","1","1") = "6"
    & skf21("4","7","5","6","7","3","2","1") = "6"
    & skf21("4","7","5","6","7","3","3","1") = "6"
    & skf21("4","7","5","6","7","3","4","1") = "6"
    & skf21("4","7","5","6","7","3","5","1") = "6"
    & skf21("4","7","5","6","7","3","6","1") = "6"
    & skf21("4","7","5","6","7","3","7","1") = "6"
    & skf21("4","7","5","6","7","4","1","1") = "6"
    & skf21("4","7","5","6","7","4","2","1") = "6"
    & skf21("4","7","5","6","7","4","3","1") = "6"
    & skf21("4","7","5","6","7","4","4","1") = "6"
    & skf21("4","7","5","6","7","4","5","1") = "6"
    & skf21("4","7","5","6","7","4","6","1") = "6"
    & skf21("4","7","5","6","7","4","7","1") = "6"
    & skf21("4","7","5","6","7","5","1","1") = "6"
    & skf21("4","7","5","6","7","5","2","1") = "6"
    & skf21("4","7","5","6","7","5","3","1") = "6"
    & skf21("4","7","5","6","7","5","4","1") = "6"
    & skf21("4","7","5","6","7","5","5","1") = "6"
    & skf21("4","7","5","6","7","5","6","1") = "6"
    & skf21("4","7","5","6","7","5","7","1") = "6"
    & skf21("4","7","5","6","7","6","1","1") = "6"
    & skf21("4","7","5","6","7","6","2","1") = "6"
    & skf21("4","7","5","6","7","6","3","1") = "6"
    & skf21("4","7","5","6","7","6","4","1") = "6"
    & skf21("4","7","5","6","7","6","5","1") = "6"
    & skf21("4","7","5","6","7","6","6","1") = "6"
    & skf21("4","7","5","6","7","6","7","1") = "6"
    & skf21("4","7","5","6","7","7","1","1") = "6"
    & skf21("4","7","5","6","7","7","2","1") = "6"
    & skf21("4","7","5","6","7","7","3","1") = "6"
    & skf21("4","7","5","6","7","7","4","1") = "6"
    & skf21("4","7","5","6","7","7","5","1") = "6"
    & skf21("4","7","5","6","7","7","6","1") = "6"
    & skf21("4","7","5","6","7","7","7","1") = "6"
    & skf21("4","7","5","7","1","1","1","1") = "6"
    & skf21("4","7","5","7","1","1","2","1") = "6"
    & skf21("4","7","5","7","1","1","3","1") = "6"
    & skf21("4","7","5","7","1","1","4","1") = "6"
    & skf21("4","7","5","7","1","1","5","1") = "6"
    & skf21("4","7","5","7","1","1","6","1") = "6"
    & skf21("4","7","5","7","1","1","7","1") = "6"
    & skf21("4","7","5","7","1","2","1","1") = "6"
    & skf21("4","7","5","7","1","2","2","1") = "6"
    & skf21("4","7","5","7","1","2","3","1") = "6"
    & skf21("4","7","5","7","1","2","4","1") = "6"
    & skf21("4","7","5","7","1","2","5","1") = "6"
    & skf21("4","7","5","7","1","2","6","1") = "6"
    & skf21("4","7","5","7","1","2","7","1") = "6"
    & skf21("4","7","5","7","1","3","1","1") = "6"
    & skf21("4","7","5","7","1","3","2","1") = "6"
    & skf21("4","7","5","7","1","3","3","1") = "6"
    & skf21("4","7","5","7","1","3","4","1") = "6"
    & skf21("4","7","5","7","1","3","5","1") = "6"
    & skf21("4","7","5","7","1","3","6","1") = "6"
    & skf21("4","7","5","7","1","3","7","1") = "6"
    & skf21("4","7","5","7","1","4","1","1") = "6"
    & skf21("4","7","5","7","1","4","2","1") = "6"
    & skf21("4","7","5","7","1","4","3","1") = "6"
    & skf21("4","7","5","7","1","4","4","1") = "6"
    & skf21("4","7","5","7","1","4","5","1") = "6"
    & skf21("4","7","5","7","1","4","6","1") = "6"
    & skf21("4","7","5","7","1","4","7","1") = "6"
    & skf21("4","7","5","7","1","5","1","1") = "6"
    & skf21("4","7","5","7","1","5","2","1") = "6"
    & skf21("4","7","5","7","1","5","3","1") = "6"
    & skf21("4","7","5","7","1","5","4","1") = "6"
    & skf21("4","7","5","7","1","5","5","1") = "6"
    & skf21("4","7","5","7","1","5","6","1") = "6"
    & skf21("4","7","5","7","1","5","7","1") = "6"
    & skf21("4","7","5","7","1","6","1","1") = "6"
    & skf21("4","7","5","7","1","6","2","1") = "6"
    & skf21("4","7","5","7","1","6","3","1") = "6"
    & skf21("4","7","5","7","1","6","4","1") = "6"
    & skf21("4","7","5","7","1","6","5","1") = "6"
    & skf21("4","7","5","7","1","6","6","1") = "6"
    & skf21("4","7","5","7","1","6","7","1") = "6"
    & skf21("4","7","5","7","1","7","1","1") = "6"
    & skf21("4","7","5","7","1","7","2","1") = "6"
    & skf21("4","7","5","7","1","7","3","1") = "6"
    & skf21("4","7","5","7","1","7","4","1") = "6"
    & skf21("4","7","5","7","1","7","5","1") = "6"
    & skf21("4","7","5","7","1","7","6","1") = "6"
    & skf21("4","7","5","7","1","7","7","1") = "6"
    & skf21("4","7","5","7","2","1","1","1") = "6"
    & skf21("4","7","5","7","2","1","2","1") = "6"
    & skf21("4","7","5","7","2","1","3","1") = "6"
    & skf21("4","7","5","7","2","1","4","1") = "6"
    & skf21("4","7","5","7","2","1","5","1") = "6"
    & skf21("4","7","5","7","2","1","6","1") = "6"
    & skf21("4","7","5","7","2","1","7","1") = "6"
    & skf21("4","7","5","7","2","2","1","1") = "6"
    & skf21("4","7","5","7","2","2","2","1") = "6"
    & skf21("4","7","5","7","2","2","3","1") = "6"
    & skf21("4","7","5","7","2","2","4","1") = "6"
    & skf21("4","7","5","7","2","2","5","1") = "6"
    & skf21("4","7","5","7","2","2","6","1") = "6"
    & skf21("4","7","5","7","2","2","7","1") = "6"
    & skf21("4","7","5","7","2","3","1","1") = "6"
    & skf21("4","7","5","7","2","3","2","1") = "6"
    & skf21("4","7","5","7","2","3","3","1") = "6"
    & skf21("4","7","5","7","2","3","4","1") = "6"
    & skf21("4","7","5","7","2","3","5","1") = "6"
    & skf21("4","7","5","7","2","3","6","1") = "6"
    & skf21("4","7","5","7","2","3","7","1") = "6"
    & skf21("4","7","5","7","2","4","1","1") = "6"
    & skf21("4","7","5","7","2","4","2","1") = "6"
    & skf21("4","7","5","7","2","4","3","1") = "6"
    & skf21("4","7","5","7","2","4","4","1") = "6"
    & skf21("4","7","5","7","2","4","5","1") = "6"
    & skf21("4","7","5","7","2","4","6","1") = "6"
    & skf21("4","7","5","7","2","4","7","1") = "6"
    & skf21("4","7","5","7","2","5","1","1") = "6"
    & skf21("4","7","5","7","2","5","2","1") = "6"
    & skf21("4","7","5","7","2","5","3","1") = "6"
    & skf21("4","7","5","7","2","5","4","1") = "6"
    & skf21("4","7","5","7","2","5","5","1") = "6"
    & skf21("4","7","5","7","2","5","6","1") = "6"
    & skf21("4","7","5","7","2","5","7","1") = "6"
    & skf21("4","7","5","7","2","6","1","1") = "6"
    & skf21("4","7","5","7","2","6","2","1") = "6"
    & skf21("4","7","5","7","2","6","3","1") = "6"
    & skf21("4","7","5","7","2","6","4","1") = "6"
    & skf21("4","7","5","7","2","6","5","1") = "6"
    & skf21("4","7","5","7","2","6","6","1") = "6"
    & skf21("4","7","5","7","2","6","7","1") = "6"
    & skf21("4","7","5","7","2","7","1","1") = "6"
    & skf21("4","7","5","7","2","7","2","1") = "6"
    & skf21("4","7","5","7","2","7","3","1") = "6"
    & skf21("4","7","5","7","2","7","4","1") = "6"
    & skf21("4","7","5","7","2","7","5","1") = "6"
    & skf21("4","7","5","7","2","7","6","1") = "6"
    & skf21("4","7","5","7","2","7","7","1") = "6"
    & skf21("4","7","5","7","3","1","1","1") = "6"
    & skf21("4","7","5","7","3","1","2","1") = "6"
    & skf21("4","7","5","7","3","1","3","1") = "6"
    & skf21("4","7","5","7","3","1","4","1") = "6"
    & skf21("4","7","5","7","3","1","5","1") = "6"
    & skf21("4","7","5","7","3","1","6","1") = "6"
    & skf21("4","7","5","7","3","1","7","1") = "6"
    & skf21("4","7","5","7","3","2","1","1") = "6"
    & skf21("4","7","5","7","3","2","2","1") = "6"
    & skf21("4","7","5","7","3","2","3","1") = "6"
    & skf21("4","7","5","7","3","2","4","1") = "6"
    & skf21("4","7","5","7","3","2","5","1") = "6"
    & skf21("4","7","5","7","3","2","6","1") = "6"
    & skf21("4","7","5","7","3","2","7","1") = "6"
    & skf21("4","7","5","7","3","3","1","1") = "6"
    & skf21("4","7","5","7","3","3","2","1") = "6"
    & skf21("4","7","5","7","3","3","3","1") = "6"
    & skf21("4","7","5","7","3","3","4","1") = "6"
    & skf21("4","7","5","7","3","3","5","1") = "6"
    & skf21("4","7","5","7","3","3","6","1") = "6"
    & skf21("4","7","5","7","3","3","7","1") = "6"
    & skf21("4","7","5","7","3","4","1","1") = "6"
    & skf21("4","7","5","7","3","4","2","1") = "6"
    & skf21("4","7","5","7","3","4","3","1") = "6"
    & skf21("4","7","5","7","3","4","4","1") = "6"
    & skf21("4","7","5","7","3","4","5","1") = "6"
    & skf21("4","7","5","7","3","4","6","1") = "6"
    & skf21("4","7","5","7","3","4","7","1") = "6"
    & skf21("4","7","5","7","3","5","1","1") = "6"
    & skf21("4","7","5","7","3","5","2","1") = "6"
    & skf21("4","7","5","7","3","5","3","1") = "6"
    & skf21("4","7","5","7","3","5","4","1") = "6"
    & skf21("4","7","5","7","3","5","5","1") = "6"
    & skf21("4","7","5","7","3","5","6","1") = "6"
    & skf21("4","7","5","7","3","5","7","1") = "6"
    & skf21("4","7","5","7","3","6","1","1") = "6"
    & skf21("4","7","5","7","3","6","2","1") = "6"
    & skf21("4","7","5","7","3","6","3","1") = "6"
    & skf21("4","7","5","7","3","6","4","1") = "6"
    & skf21("4","7","5","7","3","6","5","1") = "6"
    & skf21("4","7","5","7","3","6","6","1") = "6"
    & skf21("4","7","5","7","3","6","7","1") = "6"
    & skf21("4","7","5","7","3","7","1","1") = "6"
    & skf21("4","7","5","7","3","7","2","1") = "6"
    & skf21("4","7","5","7","3","7","3","1") = "6"
    & skf21("4","7","5","7","3","7","4","1") = "6"
    & skf21("4","7","5","7","3","7","5","1") = "6"
    & skf21("4","7","5","7","3","7","6","1") = "6"
    & skf21("4","7","5","7","3","7","7","1") = "6"
    & skf21("4","7","5","7","4","1","1","1") = "6"
    & skf21("4","7","5","7","4","1","2","1") = "6"
    & skf21("4","7","5","7","4","1","3","1") = "6"
    & skf21("4","7","5","7","4","1","4","1") = "6"
    & skf21("4","7","5","7","4","1","5","1") = "6"
    & skf21("4","7","5","7","4","1","6","1") = "6"
    & skf21("4","7","5","7","4","1","7","1") = "6"
    & skf21("4","7","5","7","4","2","1","1") = "6"
    & skf21("4","7","5","7","4","2","2","1") = "6"
    & skf21("4","7","5","7","4","2","3","1") = "6"
    & skf21("4","7","5","7","4","2","4","1") = "6"
    & skf21("4","7","5","7","4","2","5","1") = "6"
    & skf21("4","7","5","7","4","2","6","1") = "6"
    & skf21("4","7","5","7","4","2","7","1") = "6"
    & skf21("4","7","5","7","4","3","1","1") = "6"
    & skf21("4","7","5","7","4","3","2","1") = "6"
    & skf21("4","7","5","7","4","3","3","1") = "6"
    & skf21("4","7","5","7","4","3","4","1") = "6"
    & skf21("4","7","5","7","4","3","5","1") = "6"
    & skf21("4","7","5","7","4","3","6","1") = "6"
    & skf21("4","7","5","7","4","3","7","1") = "6"
    & skf21("4","7","5","7","4","4","1","1") = "6"
    & skf21("4","7","5","7","4","4","2","1") = "6"
    & skf21("4","7","5","7","4","4","3","1") = "6"
    & skf21("4","7","5","7","4","4","4","1") = "6"
    & skf21("4","7","5","7","4","4","5","1") = "6"
    & skf21("4","7","5","7","4","4","6","1") = "6"
    & skf21("4","7","5","7","4","4","7","1") = "6"
    & skf21("4","7","5","7","4","5","1","1") = "6"
    & skf21("4","7","5","7","4","5","2","1") = "6"
    & skf21("4","7","5","7","4","5","3","1") = "6"
    & skf21("4","7","5","7","4","5","4","1") = "6"
    & skf21("4","7","5","7","4","5","5","1") = "6"
    & skf21("4","7","5","7","4","5","6","1") = "6"
    & skf21("4","7","5","7","4","5","7","1") = "6"
    & skf21("4","7","5","7","4","6","1","1") = "6"
    & skf21("4","7","5","7","4","6","2","1") = "6"
    & skf21("4","7","5","7","4","6","3","1") = "6"
    & skf21("4","7","5","7","4","6","4","1") = "6"
    & skf21("4","7","5","7","4","6","5","1") = "6"
    & skf21("4","7","5","7","4","6","6","1") = "6"
    & skf21("4","7","5","7","4","6","7","1") = "6"
    & skf21("4","7","5","7","4","7","1","1") = "6"
    & skf21("4","7","5","7","4","7","2","1") = "6"
    & skf21("4","7","5","7","4","7","3","1") = "6"
    & skf21("4","7","5","7","4","7","4","1") = "6"
    & skf21("4","7","5","7","4","7","5","1") = "6"
    & skf21("4","7","5","7","4","7","6","1") = "6"
    & skf21("4","7","5","7","4","7","7","1") = "6"
    & skf21("4","7","5","7","5","1","1","1") = "6"
    & skf21("4","7","5","7","5","1","2","1") = "6"
    & skf21("4","7","5","7","5","1","3","1") = "6"
    & skf21("4","7","5","7","5","1","4","1") = "6"
    & skf21("4","7","5","7","5","1","5","1") = "6"
    & skf21("4","7","5","7","5","1","6","1") = "6"
    & skf21("4","7","5","7","5","1","7","1") = "6"
    & skf21("4","7","5","7","5","2","1","1") = "6"
    & skf21("4","7","5","7","5","2","2","1") = "6"
    & skf21("4","7","5","7","5","2","3","1") = "6"
    & skf21("4","7","5","7","5","2","4","1") = "6"
    & skf21("4","7","5","7","5","2","5","1") = "6"
    & skf21("4","7","5","7","5","2","6","1") = "6"
    & skf21("4","7","5","7","5","2","7","1") = "6"
    & skf21("4","7","5","7","5","3","1","1") = "6"
    & skf21("4","7","5","7","5","3","2","1") = "6"
    & skf21("4","7","5","7","5","3","3","1") = "6"
    & skf21("4","7","5","7","5","3","4","1") = "6"
    & skf21("4","7","5","7","5","3","5","1") = "6"
    & skf21("4","7","5","7","5","3","6","1") = "6"
    & skf21("4","7","5","7","5","3","7","1") = "6"
    & skf21("4","7","5","7","5","4","1","1") = "6"
    & skf21("4","7","5","7","5","4","2","1") = "6"
    & skf21("4","7","5","7","5","4","3","1") = "6"
    & skf21("4","7","5","7","5","4","4","1") = "6"
    & skf21("4","7","5","7","5","4","5","1") = "6"
    & skf21("4","7","5","7","5","4","6","1") = "6"
    & skf21("4","7","5","7","5","4","7","1") = "6"
    & skf21("4","7","5","7","5","5","1","1") = "6"
    & skf21("4","7","5","7","5","5","2","1") = "6"
    & skf21("4","7","5","7","5","5","3","1") = "6"
    & skf21("4","7","5","7","5","5","4","1") = "6"
    & skf21("4","7","5","7","5","5","5","1") = "6"
    & skf21("4","7","5","7","5","5","6","1") = "6"
    & skf21("4","7","5","7","5","5","7","1") = "6"
    & skf21("4","7","5","7","5","6","1","1") = "6"
    & skf21("4","7","5","7","5","6","2","1") = "6"
    & skf21("4","7","5","7","5","6","3","1") = "6"
    & skf21("4","7","5","7","5","6","4","1") = "6"
    & skf21("4","7","5","7","5","6","5","1") = "6"
    & skf21("4","7","5","7","5","6","6","1") = "6"
    & skf21("4","7","5","7","5","6","7","1") = "6"
    & skf21("4","7","5","7","5","7","1","1") = "6"
    & skf21("4","7","5","7","5","7","2","1") = "6"
    & skf21("4","7","5","7","5","7","3","1") = "6"
    & skf21("4","7","5","7","5","7","4","1") = "6"
    & skf21("4","7","5","7","5","7","5","1") = "6"
    & skf21("4","7","5","7","5","7","6","1") = "6"
    & skf21("4","7","5","7","5","7","7","1") = "6"
    & skf21("4","7","5","7","6","1","1","1") = "6"
    & skf21("4","7","5","7","6","1","2","1") = "6"
    & skf21("4","7","5","7","6","1","3","1") = "6"
    & skf21("4","7","5","7","6","1","4","1") = "6"
    & skf21("4","7","5","7","6","1","5","1") = "6"
    & skf21("4","7","5","7","6","1","6","1") = "6"
    & skf21("4","7","5","7","6","1","7","1") = "6"
    & skf21("4","7","5","7","6","2","1","1") = "6"
    & skf21("4","7","5","7","6","2","2","1") = "6"
    & skf21("4","7","5","7","6","2","3","1") = "6"
    & skf21("4","7","5","7","6","2","4","1") = "6"
    & skf21("4","7","5","7","6","2","5","1") = "6"
    & skf21("4","7","5","7","6","2","6","1") = "6"
    & skf21("4","7","5","7","6","2","7","1") = "6"
    & skf21("4","7","5","7","6","3","1","1") = "6"
    & skf21("4","7","5","7","6","3","2","1") = "6"
    & skf21("4","7","5","7","6","3","3","1") = "6"
    & skf21("4","7","5","7","6","3","4","1") = "6"
    & skf21("4","7","5","7","6","3","5","1") = "6"
    & skf21("4","7","5","7","6","3","6","1") = "6"
    & skf21("4","7","5","7","6","3","7","1") = "6"
    & skf21("4","7","5","7","6","4","1","1") = "6"
    & skf21("4","7","5","7","6","4","2","1") = "6"
    & skf21("4","7","5","7","6","4","3","1") = "6"
    & skf21("4","7","5","7","6","4","4","1") = "6"
    & skf21("4","7","5","7","6","4","5","1") = "6"
    & skf21("4","7","5","7","6","4","6","1") = "6"
    & skf21("4","7","5","7","6","4","7","1") = "6"
    & skf21("4","7","5","7","6","5","1","1") = "6"
    & skf21("4","7","5","7","6","5","2","1") = "6"
    & skf21("4","7","5","7","6","5","3","1") = "6"
    & skf21("4","7","5","7","6","5","4","1") = "6"
    & skf21("4","7","5","7","6","5","5","1") = "6"
    & skf21("4","7","5","7","6","5","6","1") = "6"
    & skf21("4","7","5","7","6","5","7","1") = "6"
    & skf21("4","7","5","7","6","6","1","1") = "6"
    & skf21("4","7","5","7","6","6","2","1") = "6"
    & skf21("4","7","5","7","6","6","3","1") = "6"
    & skf21("4","7","5","7","6","6","4","1") = "6"
    & skf21("4","7","5","7","6","6","5","1") = "6"
    & skf21("4","7","5","7","6","6","6","1") = "6"
    & skf21("4","7","5","7","6","6","7","1") = "6"
    & skf21("4","7","5","7","6","7","1","1") = "6"
    & skf21("4","7","5","7","6","7","2","1") = "6"
    & skf21("4","7","5","7","6","7","3","1") = "6"
    & skf21("4","7","5","7","6","7","4","1") = "6"
    & skf21("4","7","5","7","6","7","5","1") = "6"
    & skf21("4","7","5","7","6","7","6","1") = "6"
    & skf21("4","7","5","7","6","7","7","1") = "6"
    & skf21("4","7","5","7","7","1","1","1") = "6"
    & skf21("4","7","5","7","7","1","2","1") = "6"
    & skf21("4","7","5","7","7","1","3","1") = "6"
    & skf21("4","7","5","7","7","1","4","1") = "6"
    & skf21("4","7","5","7","7","1","5","1") = "6"
    & skf21("4","7","5","7","7","1","6","1") = "6"
    & skf21("4","7","5","7","7","1","7","1") = "6"
    & skf21("4","7","5","7","7","2","1","1") = "6"
    & skf21("4","7","5","7","7","2","2","1") = "6"
    & skf21("4","7","5","7","7","2","3","1") = "6"
    & skf21("4","7","5","7","7","2","4","1") = "6"
    & skf21("4","7","5","7","7","2","5","1") = "6"
    & skf21("4","7","5","7","7","2","6","1") = "6"
    & skf21("4","7","5","7","7","2","7","1") = "6"
    & skf21("4","7","5","7","7","3","1","1") = "6"
    & skf21("4","7","5","7","7","3","2","1") = "6"
    & skf21("4","7","5","7","7","3","3","1") = "6"
    & skf21("4","7","5","7","7","3","4","1") = "6"
    & skf21("4","7","5","7","7","3","5","1") = "6"
    & skf21("4","7","5","7","7","3","6","1") = "6"
    & skf21("4","7","5","7","7","3","7","1") = "6"
    & skf21("4","7","5","7","7","4","1","1") = "6"
    & skf21("4","7","5","7","7","4","2","1") = "6"
    & skf21("4","7","5","7","7","4","3","1") = "6"
    & skf21("4","7","5","7","7","4","4","1") = "6"
    & skf21("4","7","5","7","7","4","5","1") = "6"
    & skf21("4","7","5","7","7","4","6","1") = "6"
    & skf21("4","7","5","7","7","4","7","1") = "6"
    & skf21("4","7","5","7","7","5","1","1") = "6"
    & skf21("4","7","5","7","7","5","2","1") = "6"
    & skf21("4","7","5","7","7","5","3","1") = "6"
    & skf21("4","7","5","7","7","5","4","1") = "6"
    & skf21("4","7","5","7","7","5","5","1") = "6"
    & skf21("4","7","5","7","7","5","6","1") = "6"
    & skf21("4","7","5","7","7","5","7","1") = "6"
    & skf21("4","7","5","7","7","6","1","1") = "6"
    & skf21("4","7","5","7","7","6","2","1") = "6"
    & skf21("4","7","5","7","7","6","3","1") = "6"
    & skf21("4","7","5","7","7","6","4","1") = "6"
    & skf21("4","7","5","7","7","6","5","1") = "6"
    & skf21("4","7","5","7","7","6","6","1") = "6"
    & skf21("4","7","5","7","7","6","7","1") = "6"
    & skf21("4","7","5","7","7","7","1","1") = "6"
    & skf21("4","7","5","7","7","7","2","1") = "6"
    & skf21("4","7","5","7","7","7","3","1") = "6"
    & skf21("4","7","5","7","7","7","4","1") = "6"
    & skf21("4","7","5","7","7","7","5","1") = "6"
    & skf21("4","7","5","7","7","7","6","1") = "6"
    & skf21("4","7","5","7","7","7","7","1") = "6"
    & skf21("4","7","6","1","1","1","1","1") = "6"
    & skf21("4","7","6","1","1","1","2","1") = "6"
    & skf21("4","7","6","1","1","1","3","1") = "6"
    & skf21("4","7","6","1","1","1","4","1") = "6"
    & skf21("4","7","6","1","1","1","5","1") = "6"
    & skf21("4","7","6","1","1","1","6","1") = "6"
    & skf21("4","7","6","1","1","1","7","1") = "6"
    & skf21("4","7","6","1","1","2","1","1") = "6"
    & skf21("4","7","6","1","1","2","2","1") = "6"
    & skf21("4","7","6","1","1","2","3","1") = "6"
    & skf21("4","7","6","1","1","2","4","1") = "6"
    & skf21("4","7","6","1","1","2","5","1") = "6"
    & skf21("4","7","6","1","1","2","6","1") = "6"
    & skf21("4","7","6","1","1","2","7","1") = "6"
    & skf21("4","7","6","1","1","3","1","1") = "6"
    & skf21("4","7","6","1","1","3","2","1") = "6"
    & skf21("4","7","6","1","1","3","3","1") = "6"
    & skf21("4","7","6","1","1","3","4","1") = "6"
    & skf21("4","7","6","1","1","3","5","1") = "6"
    & skf21("4","7","6","1","1","3","6","1") = "6"
    & skf21("4","7","6","1","1","3","7","1") = "6"
    & skf21("4","7","6","1","1","4","1","1") = "6"
    & skf21("4","7","6","1","1","4","2","1") = "6"
    & skf21("4","7","6","1","1","4","3","1") = "6"
    & skf21("4","7","6","1","1","4","4","1") = "6"
    & skf21("4","7","6","1","1","4","5","1") = "6"
    & skf21("4","7","6","1","1","4","6","1") = "6"
    & skf21("4","7","6","1","1","4","7","1") = "6"
    & skf21("4","7","6","1","1","5","1","1") = "6"
    & skf21("4","7","6","1","1","5","2","1") = "6"
    & skf21("4","7","6","1","1","5","3","1") = "6"
    & skf21("4","7","6","1","1","5","4","1") = "6"
    & skf21("4","7","6","1","1","5","5","1") = "6"
    & skf21("4","7","6","1","1","5","6","1") = "6"
    & skf21("4","7","6","1","1","5","7","1") = "6"
    & skf21("4","7","6","1","1","6","1","1") = "6"
    & skf21("4","7","6","1","1","6","2","1") = "6"
    & skf21("4","7","6","1","1","6","3","1") = "6"
    & skf21("4","7","6","1","1","6","4","1") = "6"
    & skf21("4","7","6","1","1","6","5","1") = "6"
    & skf21("4","7","6","1","1","6","6","1") = "6"
    & skf21("4","7","6","1","1","6","7","1") = "6"
    & skf21("4","7","6","1","1","7","1","1") = "6"
    & skf21("4","7","6","1","1","7","2","1") = "6"
    & skf21("4","7","6","1","1","7","3","1") = "6"
    & skf21("4","7","6","1","1","7","4","1") = "6"
    & skf21("4","7","6","1","1","7","5","1") = "6"
    & skf21("4","7","6","1","1","7","6","1") = "6"
    & skf21("4","7","6","1","1","7","7","1") = "6"
    & skf21("4","7","6","1","2","1","1","1") = "6"
    & skf21("4","7","6","1","2","1","2","1") = "6"
    & skf21("4","7","6","1","2","1","3","1") = "6"
    & skf21("4","7","6","1","2","1","4","1") = "6"
    & skf21("4","7","6","1","2","1","5","1") = "6"
    & skf21("4","7","6","1","2","1","6","1") = "6"
    & skf21("4","7","6","1","2","1","7","1") = "6"
    & skf21("4","7","6","1","2","2","1","1") = "6"
    & skf21("4","7","6","1","2","2","2","1") = "6"
    & skf21("4","7","6","1","2","2","3","1") = "6"
    & skf21("4","7","6","1","2","2","4","1") = "6"
    & skf21("4","7","6","1","2","2","5","1") = "6"
    & skf21("4","7","6","1","2","2","6","1") = "6"
    & skf21("4","7","6","1","2","2","7","1") = "6"
    & skf21("4","7","6","1","2","3","1","1") = "6"
    & skf21("4","7","6","1","2","3","2","1") = "6"
    & skf21("4","7","6","1","2","3","3","1") = "6"
    & skf21("4","7","6","1","2","3","4","1") = "6"
    & skf21("4","7","6","1","2","3","5","1") = "6"
    & skf21("4","7","6","1","2","3","6","1") = "6"
    & skf21("4","7","6","1","2","3","7","1") = "6"
    & skf21("4","7","6","1","2","4","1","1") = "6"
    & skf21("4","7","6","1","2","4","2","1") = "6"
    & skf21("4","7","6","1","2","4","3","1") = "6"
    & skf21("4","7","6","1","2","4","4","1") = "6"
    & skf21("4","7","6","1","2","4","5","1") = "6"
    & skf21("4","7","6","1","2","4","6","1") = "6"
    & skf21("4","7","6","1","2","4","7","1") = "6"
    & skf21("4","7","6","1","2","5","1","1") = "6"
    & skf21("4","7","6","1","2","5","2","1") = "6"
    & skf21("4","7","6","1","2","5","3","1") = "6"
    & skf21("4","7","6","1","2","5","4","1") = "6"
    & skf21("4","7","6","1","2","5","5","1") = "6"
    & skf21("4","7","6","1","2","5","6","1") = "6"
    & skf21("4","7","6","1","2","5","7","1") = "6"
    & skf21("4","7","6","1","2","6","1","1") = "6"
    & skf21("4","7","6","1","2","6","2","1") = "6"
    & skf21("4","7","6","1","2","6","3","1") = "6"
    & skf21("4","7","6","1","2","6","4","1") = "6"
    & skf21("4","7","6","1","2","6","5","1") = "6"
    & skf21("4","7","6","1","2","6","6","1") = "6"
    & skf21("4","7","6","1","2","6","7","1") = "6"
    & skf21("4","7","6","1","2","7","1","1") = "6"
    & skf21("4","7","6","1","2","7","2","1") = "6"
    & skf21("4","7","6","1","2","7","3","1") = "6"
    & skf21("4","7","6","1","2","7","4","1") = "6"
    & skf21("4","7","6","1","2","7","5","1") = "6"
    & skf21("4","7","6","1","2","7","6","1") = "6"
    & skf21("4","7","6","1","2","7","7","1") = "6"
    & skf21("4","7","6","1","3","1","1","1") = "6"
    & skf21("4","7","6","1","3","1","2","1") = "6"
    & skf21("4","7","6","1","3","1","3","1") = "6"
    & skf21("4","7","6","1","3","1","4","1") = "6"
    & skf21("4","7","6","1","3","1","5","1") = "6"
    & skf21("4","7","6","1","3","1","6","1") = "6"
    & skf21("4","7","6","1","3","1","7","1") = "6"
    & skf21("4","7","6","1","3","2","1","1") = "6"
    & skf21("4","7","6","1","3","2","2","1") = "6"
    & skf21("4","7","6","1","3","2","3","1") = "6"
    & skf21("4","7","6","1","3","2","4","1") = "6"
    & skf21("4","7","6","1","3","2","5","1") = "6"
    & skf21("4","7","6","1","3","2","6","1") = "6"
    & skf21("4","7","6","1","3","2","7","1") = "6"
    & skf21("4","7","6","1","3","3","1","1") = "6"
    & skf21("4","7","6","1","3","3","2","1") = "6"
    & skf21("4","7","6","1","3","3","3","1") = "6"
    & skf21("4","7","6","1","3","3","4","1") = "6"
    & skf21("4","7","6","1","3","3","5","1") = "6"
    & skf21("4","7","6","1","3","3","6","1") = "6"
    & skf21("4","7","6","1","3","3","7","1") = "6"
    & skf21("4","7","6","1","3","4","1","1") = "6"
    & skf21("4","7","6","1","3","4","2","1") = "6"
    & skf21("4","7","6","1","3","4","3","1") = "6"
    & skf21("4","7","6","1","3","4","4","1") = "6"
    & skf21("4","7","6","1","3","4","5","1") = "6"
    & skf21("4","7","6","1","3","4","6","1") = "6"
    & skf21("4","7","6","1","3","4","7","1") = "6"
    & skf21("4","7","6","1","3","5","1","1") = "6"
    & skf21("4","7","6","1","3","5","2","1") = "6"
    & skf21("4","7","6","1","3","5","3","1") = "6"
    & skf21("4","7","6","1","3","5","4","1") = "6"
    & skf21("4","7","6","1","3","5","5","1") = "6"
    & skf21("4","7","6","1","3","5","6","1") = "6"
    & skf21("4","7","6","1","3","5","7","1") = "6"
    & skf21("4","7","6","1","3","6","1","1") = "6"
    & skf21("4","7","6","1","3","6","2","1") = "6"
    & skf21("4","7","6","1","3","6","3","1") = "6"
    & skf21("4","7","6","1","3","6","4","1") = "6"
    & skf21("4","7","6","1","3","6","5","1") = "6"
    & skf21("4","7","6","1","3","6","6","1") = "6"
    & skf21("4","7","6","1","3","6","7","1") = "6"
    & skf21("4","7","6","1","3","7","1","1") = "6"
    & skf21("4","7","6","1","3","7","2","1") = "6"
    & skf21("4","7","6","1","3","7","3","1") = "6"
    & skf21("4","7","6","1","3","7","4","1") = "6"
    & skf21("4","7","6","1","3","7","5","1") = "6"
    & skf21("4","7","6","1","3","7","6","1") = "6"
    & skf21("4","7","6","1","3","7","7","1") = "6"
    & skf21("4","7","6","1","4","1","1","1") = "6"
    & skf21("4","7","6","1","4","1","2","1") = "6"
    & skf21("4","7","6","1","4","1","3","1") = "6"
    & skf21("4","7","6","1","4","1","4","1") = "6"
    & skf21("4","7","6","1","4","1","5","1") = "6"
    & skf21("4","7","6","1","4","1","6","1") = "6"
    & skf21("4","7","6","1","4","1","7","1") = "6"
    & skf21("4","7","6","1","4","2","1","1") = "6"
    & skf21("4","7","6","1","4","2","2","1") = "6"
    & skf21("4","7","6","1","4","2","3","1") = "6"
    & skf21("4","7","6","1","4","2","4","1") = "6"
    & skf21("4","7","6","1","4","2","5","1") = "6"
    & skf21("4","7","6","1","4","2","6","1") = "6"
    & skf21("4","7","6","1","4","2","7","1") = "6"
    & skf21("4","7","6","1","4","3","1","1") = "6"
    & skf21("4","7","6","1","4","3","2","1") = "6"
    & skf21("4","7","6","1","4","3","3","1") = "6"
    & skf21("4","7","6","1","4","3","4","1") = "6"
    & skf21("4","7","6","1","4","3","5","1") = "6"
    & skf21("4","7","6","1","4","3","6","1") = "6"
    & skf21("4","7","6","1","4","3","7","1") = "6"
    & skf21("4","7","6","1","4","4","1","1") = "6"
    & skf21("4","7","6","1","4","4","2","1") = "6"
    & skf21("4","7","6","1","4","4","3","1") = "6"
    & skf21("4","7","6","1","4","4","4","1") = "6"
    & skf21("4","7","6","1","4","4","5","1") = "6"
    & skf21("4","7","6","1","4","4","6","1") = "6"
    & skf21("4","7","6","1","4","4","7","1") = "6"
    & skf21("4","7","6","1","4","5","1","1") = "6"
    & skf21("4","7","6","1","4","5","2","1") = "6"
    & skf21("4","7","6","1","4","5","3","1") = "6"
    & skf21("4","7","6","1","4","5","4","1") = "6"
    & skf21("4","7","6","1","4","5","5","1") = "6"
    & skf21("4","7","6","1","4","5","6","1") = "6"
    & skf21("4","7","6","1","4","5","7","1") = "6"
    & skf21("4","7","6","1","4","6","1","1") = "6"
    & skf21("4","7","6","1","4","6","2","1") = "6"
    & skf21("4","7","6","1","4","6","3","1") = "6"
    & skf21("4","7","6","1","4","6","4","1") = "6"
    & skf21("4","7","6","1","4","6","5","1") = "6"
    & skf21("4","7","6","1","4","6","6","1") = "6"
    & skf21("4","7","6","1","4","6","7","1") = "6"
    & skf21("4","7","6","1","4","7","1","1") = "6"
    & skf21("4","7","6","1","4","7","2","1") = "6"
    & skf21("4","7","6","1","4","7","3","1") = "6"
    & skf21("4","7","6","1","4","7","4","1") = "6"
    & skf21("4","7","6","1","4","7","5","1") = "6"
    & skf21("4","7","6","1","4","7","6","1") = "6"
    & skf21("4","7","6","1","4","7","7","1") = "6"
    & skf21("4","7","6","1","5","1","1","1") = "6"
    & skf21("4","7","6","1","5","1","2","1") = "6"
    & skf21("4","7","6","1","5","1","3","1") = "6"
    & skf21("4","7","6","1","5","1","4","1") = "6"
    & skf21("4","7","6","1","5","1","5","1") = "6"
    & skf21("4","7","6","1","5","1","6","1") = "6"
    & skf21("4","7","6","1","5","1","7","1") = "6"
    & skf21("4","7","6","1","5","2","1","1") = "6"
    & skf21("4","7","6","1","5","2","2","1") = "6"
    & skf21("4","7","6","1","5","2","3","1") = "6"
    & skf21("4","7","6","1","5","2","4","1") = "6"
    & skf21("4","7","6","1","5","2","5","1") = "6"
    & skf21("4","7","6","1","5","2","6","1") = "6"
    & skf21("4","7","6","1","5","2","7","1") = "6"
    & skf21("4","7","6","1","5","3","1","1") = "6"
    & skf21("4","7","6","1","5","3","2","1") = "6"
    & skf21("4","7","6","1","5","3","3","1") = "6"
    & skf21("4","7","6","1","5","3","4","1") = "6"
    & skf21("4","7","6","1","5","3","5","1") = "6"
    & skf21("4","7","6","1","5","3","6","1") = "6"
    & skf21("4","7","6","1","5","3","7","1") = "6"
    & skf21("4","7","6","1","5","4","1","1") = "6"
    & skf21("4","7","6","1","5","4","2","1") = "6"
    & skf21("4","7","6","1","5","4","3","1") = "6"
    & skf21("4","7","6","1","5","4","4","1") = "6"
    & skf21("4","7","6","1","5","4","5","1") = "6"
    & skf21("4","7","6","1","5","4","6","1") = "6"
    & skf21("4","7","6","1","5","4","7","1") = "6"
    & skf21("4","7","6","1","5","5","1","1") = "6"
    & skf21("4","7","6","1","5","5","2","1") = "6"
    & skf21("4","7","6","1","5","5","3","1") = "6"
    & skf21("4","7","6","1","5","5","4","1") = "6"
    & skf21("4","7","6","1","5","5","5","1") = "6"
    & skf21("4","7","6","1","5","5","6","1") = "6"
    & skf21("4","7","6","1","5","5","7","1") = "6"
    & skf21("4","7","6","1","5","6","1","1") = "6"
    & skf21("4","7","6","1","5","6","2","1") = "6"
    & skf21("4","7","6","1","5","6","3","1") = "6"
    & skf21("4","7","6","1","5","6","4","1") = "6"
    & skf21("4","7","6","1","5","6","5","1") = "6"
    & skf21("4","7","6","1","5","6","6","1") = "6"
    & skf21("4","7","6","1","5","6","7","1") = "6"
    & skf21("4","7","6","1","5","7","1","1") = "6"
    & skf21("4","7","6","1","5","7","2","1") = "6"
    & skf21("4","7","6","1","5","7","3","1") = "6"
    & skf21("4","7","6","1","5","7","4","1") = "6"
    & skf21("4","7","6","1","5","7","5","1") = "6"
    & skf21("4","7","6","1","5","7","6","1") = "6"
    & skf21("4","7","6","1","5","7","7","1") = "6"
    & skf21("4","7","6","1","6","1","1","1") = "6"
    & skf21("4","7","6","1","6","1","2","1") = "6"
    & skf21("4","7","6","1","6","1","3","1") = "6"
    & skf21("4","7","6","1","6","1","4","1") = "6"
    & skf21("4","7","6","1","6","1","5","1") = "6"
    & skf21("4","7","6","1","6","1","6","1") = "6"
    & skf21("4","7","6","1","6","1","7","1") = "6"
    & skf21("4","7","6","1","6","2","1","1") = "6"
    & skf21("4","7","6","1","6","2","2","1") = "6"
    & skf21("4","7","6","1","6","2","3","1") = "6"
    & skf21("4","7","6","1","6","2","4","1") = "6"
    & skf21("4","7","6","1","6","2","5","1") = "6"
    & skf21("4","7","6","1","6","2","6","1") = "6"
    & skf21("4","7","6","1","6","2","7","1") = "6"
    & skf21("4","7","6","1","6","3","1","1") = "6"
    & skf21("4","7","6","1","6","3","2","1") = "6"
    & skf21("4","7","6","1","6","3","3","1") = "6"
    & skf21("4","7","6","1","6","3","4","1") = "6"
    & skf21("4","7","6","1","6","3","5","1") = "6"
    & skf21("4","7","6","1","6","3","6","1") = "6"
    & skf21("4","7","6","1","6","3","7","1") = "6"
    & skf21("4","7","6","1","6","4","1","1") = "6"
    & skf21("4","7","6","1","6","4","2","1") = "6"
    & skf21("4","7","6","1","6","4","3","1") = "6"
    & skf21("4","7","6","1","6","4","4","1") = "6"
    & skf21("4","7","6","1","6","4","5","1") = "6"
    & skf21("4","7","6","1","6","4","6","1") = "6"
    & skf21("4","7","6","1","6","4","7","1") = "6"
    & skf21("4","7","6","1","6","5","1","1") = "6"
    & skf21("4","7","6","1","6","5","2","1") = "6"
    & skf21("4","7","6","1","6","5","3","1") = "6"
    & skf21("4","7","6","1","6","5","4","1") = "6"
    & skf21("4","7","6","1","6","5","5","1") = "6"
    & skf21("4","7","6","1","6","5","6","1") = "6"
    & skf21("4","7","6","1","6","5","7","1") = "6"
    & skf21("4","7","6","1","6","6","1","1") = "6"
    & skf21("4","7","6","1","6","6","2","1") = "6"
    & skf21("4","7","6","1","6","6","3","1") = "6"
    & skf21("4","7","6","1","6","6","4","1") = "6"
    & skf21("4","7","6","1","6","6","5","1") = "6"
    & skf21("4","7","6","1","6","6","6","1") = "6"
    & skf21("4","7","6","1","6","6","7","1") = "6"
    & skf21("4","7","6","1","6","7","1","1") = "6"
    & skf21("4","7","6","1","6","7","2","1") = "6"
    & skf21("4","7","6","1","6","7","3","1") = "6"
    & skf21("4","7","6","1","6","7","4","1") = "6"
    & skf21("4","7","6","1","6","7","5","1") = "6"
    & skf21("4","7","6","1","6","7","6","1") = "6"
    & skf21("4","7","6","1","6","7","7","1") = "6"
    & skf21("4","7","6","1","7","1","1","1") = "6"
    & skf21("4","7","6","1","7","1","2","1") = "6"
    & skf21("4","7","6","1","7","1","3","1") = "6"
    & skf21("4","7","6","1","7","1","4","1") = "6"
    & skf21("4","7","6","1","7","1","5","1") = "6"
    & skf21("4","7","6","1","7","1","6","1") = "6"
    & skf21("4","7","6","1","7","1","7","1") = "6"
    & skf21("4","7","6","1","7","2","1","1") = "6"
    & skf21("4","7","6","1","7","2","2","1") = "6"
    & skf21("4","7","6","1","7","2","3","1") = "6"
    & skf21("4","7","6","1","7","2","4","1") = "6"
    & skf21("4","7","6","1","7","2","5","1") = "6"
    & skf21("4","7","6","1","7","2","6","1") = "6"
    & skf21("4","7","6","1","7","2","7","1") = "6"
    & skf21("4","7","6","1","7","3","1","1") = "6"
    & skf21("4","7","6","1","7","3","2","1") = "6"
    & skf21("4","7","6","1","7","3","3","1") = "6"
    & skf21("4","7","6","1","7","3","4","1") = "6"
    & skf21("4","7","6","1","7","3","5","1") = "6"
    & skf21("4","7","6","1","7","3","6","1") = "6"
    & skf21("4","7","6","1","7","3","7","1") = "6"
    & skf21("4","7","6","1","7","4","1","1") = "6"
    & skf21("4","7","6","1","7","4","2","1") = "6"
    & skf21("4","7","6","1","7","4","3","1") = "6"
    & skf21("4","7","6","1","7","4","4","1") = "6"
    & skf21("4","7","6","1","7","4","5","1") = "6"
    & skf21("4","7","6","1","7","4","6","1") = "6"
    & skf21("4","7","6","1","7","4","7","1") = "6"
    & skf21("4","7","6","1","7","5","1","1") = "6"
    & skf21("4","7","6","1","7","5","2","1") = "6"
    & skf21("4","7","6","1","7","5","3","1") = "6"
    & skf21("4","7","6","1","7","5","4","1") = "6"
    & skf21("4","7","6","1","7","5","5","1") = "6"
    & skf21("4","7","6","1","7","5","6","1") = "6"
    & skf21("4","7","6","1","7","5","7","1") = "6"
    & skf21("4","7","6","1","7","6","1","1") = "6"
    & skf21("4","7","6","1","7","6","2","1") = "6"
    & skf21("4","7","6","1","7","6","3","1") = "6"
    & skf21("4","7","6","1","7","6","4","1") = "6"
    & skf21("4","7","6","1","7","6","5","1") = "6"
    & skf21("4","7","6","1","7","6","6","1") = "6"
    & skf21("4","7","6","1","7","6","7","1") = "6"
    & skf21("4","7","6","1","7","7","1","1") = "6"
    & skf21("4","7","6","1","7","7","2","1") = "6"
    & skf21("4","7","6","1","7","7","3","1") = "6"
    & skf21("4","7","6","1","7","7","4","1") = "6"
    & skf21("4","7","6","1","7","7","5","1") = "6"
    & skf21("4","7","6","1","7","7","6","1") = "6"
    & skf21("4","7","6","1","7","7","7","1") = "6"
    & skf21("4","7","6","2","1","1","1","1") = "6"
    & skf21("4","7","6","2","1","1","2","1") = "6"
    & skf21("4","7","6","2","1","1","3","1") = "6"
    & skf21("4","7","6","2","1","1","4","1") = "6"
    & skf21("4","7","6","2","1","1","5","1") = "6"
    & skf21("4","7","6","2","1","1","6","1") = "6"
    & skf21("4","7","6","2","1","1","7","1") = "6"
    & skf21("4","7","6","2","1","2","1","1") = "6"
    & skf21("4","7","6","2","1","2","2","1") = "6"
    & skf21("4","7","6","2","1","2","3","1") = "6"
    & skf21("4","7","6","2","1","2","4","1") = "6"
    & skf21("4","7","6","2","1","2","5","1") = "6"
    & skf21("4","7","6","2","1","2","6","1") = "6"
    & skf21("4","7","6","2","1","2","7","1") = "6"
    & skf21("4","7","6","2","1","3","1","1") = "6"
    & skf21("4","7","6","2","1","3","2","1") = "6"
    & skf21("4","7","6","2","1","3","3","1") = "6"
    & skf21("4","7","6","2","1","3","4","1") = "6"
    & skf21("4","7","6","2","1","3","5","1") = "6"
    & skf21("4","7","6","2","1","3","6","1") = "6"
    & skf21("4","7","6","2","1","3","7","1") = "6"
    & skf21("4","7","6","2","1","4","1","1") = "6"
    & skf21("4","7","6","2","1","4","2","1") = "6"
    & skf21("4","7","6","2","1","4","3","1") = "6"
    & skf21("4","7","6","2","1","4","4","1") = "6"
    & skf21("4","7","6","2","1","4","5","1") = "6"
    & skf21("4","7","6","2","1","4","6","1") = "6"
    & skf21("4","7","6","2","1","4","7","1") = "6"
    & skf21("4","7","6","2","1","5","1","1") = "6"
    & skf21("4","7","6","2","1","5","2","1") = "6"
    & skf21("4","7","6","2","1","5","3","1") = "6"
    & skf21("4","7","6","2","1","5","4","1") = "6"
    & skf21("4","7","6","2","1","5","5","1") = "6"
    & skf21("4","7","6","2","1","5","6","1") = "6"
    & skf21("4","7","6","2","1","5","7","1") = "6"
    & skf21("4","7","6","2","1","6","1","1") = "6"
    & skf21("4","7","6","2","1","6","2","1") = "6"
    & skf21("4","7","6","2","1","6","3","1") = "6"
    & skf21("4","7","6","2","1","6","4","1") = "6"
    & skf21("4","7","6","2","1","6","5","1") = "6"
    & skf21("4","7","6","2","1","6","6","1") = "6"
    & skf21("4","7","6","2","1","6","7","1") = "6"
    & skf21("4","7","6","2","1","7","1","1") = "6"
    & skf21("4","7","6","2","1","7","2","1") = "6"
    & skf21("4","7","6","2","1","7","3","1") = "6"
    & skf21("4","7","6","2","1","7","4","1") = "6"
    & skf21("4","7","6","2","1","7","5","1") = "6"
    & skf21("4","7","6","2","1","7","6","1") = "6"
    & skf21("4","7","6","2","1","7","7","1") = "6"
    & skf21("4","7","6","2","2","1","1","1") = "6"
    & skf21("4","7","6","2","2","1","2","1") = "6"
    & skf21("4","7","6","2","2","1","3","1") = "6"
    & skf21("4","7","6","2","2","1","4","1") = "6"
    & skf21("4","7","6","2","2","1","5","1") = "6"
    & skf21("4","7","6","2","2","1","6","1") = "6"
    & skf21("4","7","6","2","2","1","7","1") = "6"
    & skf21("4","7","6","2","2","2","1","1") = "6"
    & skf21("4","7","6","2","2","2","2","1") = "6"
    & skf21("4","7","6","2","2","2","3","1") = "6"
    & skf21("4","7","6","2","2","2","4","1") = "6"
    & skf21("4","7","6","2","2","2","5","1") = "6"
    & skf21("4","7","6","2","2","2","6","1") = "6"
    & skf21("4","7","6","2","2","2","7","1") = "6"
    & skf21("4","7","6","2","2","3","1","1") = "6"
    & skf21("4","7","6","2","2","3","2","1") = "6"
    & skf21("4","7","6","2","2","3","3","1") = "6"
    & skf21("4","7","6","2","2","3","4","1") = "6"
    & skf21("4","7","6","2","2","3","5","1") = "6"
    & skf21("4","7","6","2","2","3","6","1") = "6"
    & skf21("4","7","6","2","2","3","7","1") = "6"
    & skf21("4","7","6","2","2","4","1","1") = "6"
    & skf21("4","7","6","2","2","4","2","1") = "6"
    & skf21("4","7","6","2","2","4","3","1") = "6"
    & skf21("4","7","6","2","2","4","4","1") = "6"
    & skf21("4","7","6","2","2","4","5","1") = "6"
    & skf21("4","7","6","2","2","4","6","1") = "6"
    & skf21("4","7","6","2","2","4","7","1") = "6"
    & skf21("4","7","6","2","2","5","1","1") = "6"
    & skf21("4","7","6","2","2","5","2","1") = "6"
    & skf21("4","7","6","2","2","5","3","1") = "6"
    & skf21("4","7","6","2","2","5","4","1") = "6"
    & skf21("4","7","6","2","2","5","5","1") = "6"
    & skf21("4","7","6","2","2","5","6","1") = "6"
    & skf21("4","7","6","2","2","5","7","1") = "6"
    & skf21("4","7","6","2","2","6","1","1") = "6"
    & skf21("4","7","6","2","2","6","2","1") = "6"
    & skf21("4","7","6","2","2","6","3","1") = "6"
    & skf21("4","7","6","2","2","6","4","1") = "6"
    & skf21("4","7","6","2","2","6","5","1") = "6"
    & skf21("4","7","6","2","2","6","6","1") = "6"
    & skf21("4","7","6","2","2","6","7","1") = "6"
    & skf21("4","7","6","2","2","7","1","1") = "6"
    & skf21("4","7","6","2","2","7","2","1") = "6"
    & skf21("4","7","6","2","2","7","3","1") = "6"
    & skf21("4","7","6","2","2","7","4","1") = "6"
    & skf21("4","7","6","2","2","7","5","1") = "6"
    & skf21("4","7","6","2","2","7","6","1") = "6"
    & skf21("4","7","6","2","2","7","7","1") = "6"
    & skf21("4","7","6","2","3","1","1","1") = "6"
    & skf21("4","7","6","2","3","1","2","1") = "6"
    & skf21("4","7","6","2","3","1","3","1") = "6"
    & skf21("4","7","6","2","3","1","4","1") = "6"
    & skf21("4","7","6","2","3","1","5","1") = "6"
    & skf21("4","7","6","2","3","1","6","1") = "6"
    & skf21("4","7","6","2","3","1","7","1") = "6"
    & skf21("4","7","6","2","3","2","1","1") = "6"
    & skf21("4","7","6","2","3","2","2","1") = "6"
    & skf21("4","7","6","2","3","2","3","1") = "6"
    & skf21("4","7","6","2","3","2","4","1") = "6"
    & skf21("4","7","6","2","3","2","5","1") = "6"
    & skf21("4","7","6","2","3","2","6","1") = "6"
    & skf21("4","7","6","2","3","2","7","1") = "6"
    & skf21("4","7","6","2","3","3","1","1") = "6"
    & skf21("4","7","6","2","3","3","2","1") = "6"
    & skf21("4","7","6","2","3","3","3","1") = "6"
    & skf21("4","7","6","2","3","3","4","1") = "6"
    & skf21("4","7","6","2","3","3","5","1") = "6"
    & skf21("4","7","6","2","3","3","6","1") = "6"
    & skf21("4","7","6","2","3","3","7","1") = "6"
    & skf21("4","7","6","2","3","4","1","1") = "6"
    & skf21("4","7","6","2","3","4","2","1") = "6"
    & skf21("4","7","6","2","3","4","3","1") = "6"
    & skf21("4","7","6","2","3","4","4","1") = "6"
    & skf21("4","7","6","2","3","4","5","1") = "6"
    & skf21("4","7","6","2","3","4","6","1") = "6"
    & skf21("4","7","6","2","3","4","7","1") = "6"
    & skf21("4","7","6","2","3","5","1","1") = "6"
    & skf21("4","7","6","2","3","5","2","1") = "6"
    & skf21("4","7","6","2","3","5","3","1") = "6"
    & skf21("4","7","6","2","3","5","4","1") = "6"
    & skf21("4","7","6","2","3","5","5","1") = "6"
    & skf21("4","7","6","2","3","5","6","1") = "6"
    & skf21("4","7","6","2","3","5","7","1") = "6"
    & skf21("4","7","6","2","3","6","1","1") = "6"
    & skf21("4","7","6","2","3","6","2","1") = "6"
    & skf21("4","7","6","2","3","6","3","1") = "6"
    & skf21("4","7","6","2","3","6","4","1") = "6"
    & skf21("4","7","6","2","3","6","5","1") = "6"
    & skf21("4","7","6","2","3","6","6","1") = "6"
    & skf21("4","7","6","2","3","6","7","1") = "6"
    & skf21("4","7","6","2","3","7","1","1") = "6"
    & skf21("4","7","6","2","3","7","2","1") = "6"
    & skf21("4","7","6","2","3","7","3","1") = "6"
    & skf21("4","7","6","2","3","7","4","1") = "6"
    & skf21("4","7","6","2","3","7","5","1") = "6"
    & skf21("4","7","6","2","3","7","6","1") = "6"
    & skf21("4","7","6","2","3","7","7","1") = "6"
    & skf21("4","7","6","2","4","1","1","1") = "6"
    & skf21("4","7","6","2","4","1","2","1") = "6"
    & skf21("4","7","6","2","4","1","3","1") = "6"
    & skf21("4","7","6","2","4","1","4","1") = "6"
    & skf21("4","7","6","2","4","1","5","1") = "6"
    & skf21("4","7","6","2","4","1","6","1") = "6"
    & skf21("4","7","6","2","4","1","7","1") = "6"
    & skf21("4","7","6","2","4","2","1","1") = "6"
    & skf21("4","7","6","2","4","2","2","1") = "6"
    & skf21("4","7","6","2","4","2","3","1") = "6"
    & skf21("4","7","6","2","4","2","4","1") = "6"
    & skf21("4","7","6","2","4","2","5","1") = "6"
    & skf21("4","7","6","2","4","2","6","1") = "6"
    & skf21("4","7","6","2","4","2","7","1") = "6"
    & skf21("4","7","6","2","4","3","1","1") = "6"
    & skf21("4","7","6","2","4","3","2","1") = "6"
    & skf21("4","7","6","2","4","3","3","1") = "6"
    & skf21("4","7","6","2","4","3","4","1") = "6"
    & skf21("4","7","6","2","4","3","5","1") = "6"
    & skf21("4","7","6","2","4","3","6","1") = "6"
    & skf21("4","7","6","2","4","3","7","1") = "6"
    & skf21("4","7","6","2","4","4","1","1") = "6"
    & skf21("4","7","6","2","4","4","2","1") = "6"
    & skf21("4","7","6","2","4","4","3","1") = "6"
    & skf21("4","7","6","2","4","4","4","1") = "6"
    & skf21("4","7","6","2","4","4","5","1") = "6"
    & skf21("4","7","6","2","4","4","6","1") = "6"
    & skf21("4","7","6","2","4","4","7","1") = "6"
    & skf21("4","7","6","2","4","5","1","1") = "6"
    & skf21("4","7","6","2","4","5","2","1") = "6"
    & skf21("4","7","6","2","4","5","3","1") = "6"
    & skf21("4","7","6","2","4","5","4","1") = "6"
    & skf21("4","7","6","2","4","5","5","1") = "6"
    & skf21("4","7","6","2","4","5","6","1") = "6"
    & skf21("4","7","6","2","4","5","7","1") = "6"
    & skf21("4","7","6","2","4","6","1","1") = "6"
    & skf21("4","7","6","2","4","6","2","1") = "6"
    & skf21("4","7","6","2","4","6","3","1") = "6"
    & skf21("4","7","6","2","4","6","4","1") = "6"
    & skf21("4","7","6","2","4","6","5","1") = "6"
    & skf21("4","7","6","2","4","6","6","1") = "6"
    & skf21("4","7","6","2","4","6","7","1") = "6"
    & skf21("4","7","6","2","4","7","1","1") = "6"
    & skf21("4","7","6","2","4","7","2","1") = "6"
    & skf21("4","7","6","2","4","7","3","1") = "6"
    & skf21("4","7","6","2","4","7","4","1") = "6"
    & skf21("4","7","6","2","4","7","5","1") = "6"
    & skf21("4","7","6","2","4","7","6","1") = "6"
    & skf21("4","7","6","2","4","7","7","1") = "6"
    & skf21("4","7","6","2","5","1","1","1") = "6"
    & skf21("4","7","6","2","5","1","2","1") = "6"
    & skf21("4","7","6","2","5","1","3","1") = "6"
    & skf21("4","7","6","2","5","1","4","1") = "6"
    & skf21("4","7","6","2","5","1","5","1") = "6"
    & skf21("4","7","6","2","5","1","6","1") = "6"
    & skf21("4","7","6","2","5","1","7","1") = "6"
    & skf21("4","7","6","2","5","2","1","1") = "6"
    & skf21("4","7","6","2","5","2","2","1") = "6"
    & skf21("4","7","6","2","5","2","3","1") = "6"
    & skf21("4","7","6","2","5","2","4","1") = "6"
    & skf21("4","7","6","2","5","2","5","1") = "6"
    & skf21("4","7","6","2","5","2","6","1") = "6"
    & skf21("4","7","6","2","5","2","7","1") = "6"
    & skf21("4","7","6","2","5","3","1","1") = "6"
    & skf21("4","7","6","2","5","3","2","1") = "6"
    & skf21("4","7","6","2","5","3","3","1") = "6"
    & skf21("4","7","6","2","5","3","4","1") = "6"
    & skf21("4","7","6","2","5","3","5","1") = "6"
    & skf21("4","7","6","2","5","3","6","1") = "6"
    & skf21("4","7","6","2","5","3","7","1") = "6"
    & skf21("4","7","6","2","5","4","1","1") = "6"
    & skf21("4","7","6","2","5","4","2","1") = "6"
    & skf21("4","7","6","2","5","4","3","1") = "6"
    & skf21("4","7","6","2","5","4","4","1") = "6"
    & skf21("4","7","6","2","5","4","5","1") = "6"
    & skf21("4","7","6","2","5","4","6","1") = "6"
    & skf21("4","7","6","2","5","4","7","1") = "6"
    & skf21("4","7","6","2","5","5","1","1") = "6"
    & skf21("4","7","6","2","5","5","2","1") = "6"
    & skf21("4","7","6","2","5","5","3","1") = "6"
    & skf21("4","7","6","2","5","5","4","1") = "6"
    & skf21("4","7","6","2","5","5","5","1") = "6"
    & skf21("4","7","6","2","5","5","6","1") = "6"
    & skf21("4","7","6","2","5","5","7","1") = "6"
    & skf21("4","7","6","2","5","6","1","1") = "6"
    & skf21("4","7","6","2","5","6","2","1") = "6"
    & skf21("4","7","6","2","5","6","3","1") = "6"
    & skf21("4","7","6","2","5","6","4","1") = "6"
    & skf21("4","7","6","2","5","6","5","1") = "6"
    & skf21("4","7","6","2","5","6","6","1") = "6"
    & skf21("4","7","6","2","5","6","7","1") = "6"
    & skf21("4","7","6","2","5","7","1","1") = "6"
    & skf21("4","7","6","2","5","7","2","1") = "6"
    & skf21("4","7","6","2","5","7","3","1") = "6"
    & skf21("4","7","6","2","5","7","4","1") = "6"
    & skf21("4","7","6","2","5","7","5","1") = "6"
    & skf21("4","7","6","2","5","7","6","1") = "6"
    & skf21("4","7","6","2","5","7","7","1") = "6"
    & skf21("4","7","6","2","6","1","1","1") = "6"
    & skf21("4","7","6","2","6","1","2","1") = "6"
    & skf21("4","7","6","2","6","1","3","1") = "6"
    & skf21("4","7","6","2","6","1","4","1") = "6"
    & skf21("4","7","6","2","6","1","5","1") = "6"
    & skf21("4","7","6","2","6","1","6","1") = "6"
    & skf21("4","7","6","2","6","1","7","1") = "6"
    & skf21("4","7","6","2","6","2","1","1") = "6"
    & skf21("4","7","6","2","6","2","2","1") = "6"
    & skf21("4","7","6","2","6","2","3","1") = "6"
    & skf21("4","7","6","2","6","2","4","1") = "6"
    & skf21("4","7","6","2","6","2","5","1") = "6"
    & skf21("4","7","6","2","6","2","6","1") = "6"
    & skf21("4","7","6","2","6","2","7","1") = "6"
    & skf21("4","7","6","2","6","3","1","1") = "6"
    & skf21("4","7","6","2","6","3","2","1") = "6"
    & skf21("4","7","6","2","6","3","3","1") = "6"
    & skf21("4","7","6","2","6","3","4","1") = "6"
    & skf21("4","7","6","2","6","3","5","1") = "6"
    & skf21("4","7","6","2","6","3","6","1") = "6"
    & skf21("4","7","6","2","6","3","7","1") = "6"
    & skf21("4","7","6","2","6","4","1","1") = "6"
    & skf21("4","7","6","2","6","4","2","1") = "6"
    & skf21("4","7","6","2","6","4","3","1") = "6"
    & skf21("4","7","6","2","6","4","4","1") = "6"
    & skf21("4","7","6","2","6","4","5","1") = "6"
    & skf21("4","7","6","2","6","4","6","1") = "6"
    & skf21("4","7","6","2","6","4","7","1") = "6"
    & skf21("4","7","6","2","6","5","1","1") = "6"
    & skf21("4","7","6","2","6","5","2","1") = "6"
    & skf21("4","7","6","2","6","5","3","1") = "6"
    & skf21("4","7","6","2","6","5","4","1") = "6"
    & skf21("4","7","6","2","6","5","5","1") = "6"
    & skf21("4","7","6","2","6","5","6","1") = "6"
    & skf21("4","7","6","2","6","5","7","1") = "6"
    & skf21("4","7","6","2","6","6","1","1") = "6"
    & skf21("4","7","6","2","6","6","2","1") = "6"
    & skf21("4","7","6","2","6","6","3","1") = "6"
    & skf21("4","7","6","2","6","6","4","1") = "6"
    & skf21("4","7","6","2","6","6","5","1") = "6"
    & skf21("4","7","6","2","6","6","6","1") = "6"
    & skf21("4","7","6","2","6","6","7","1") = "6"
    & skf21("4","7","6","2","6","7","1","1") = "6"
    & skf21("4","7","6","2","6","7","2","1") = "6"
    & skf21("4","7","6","2","6","7","3","1") = "6"
    & skf21("4","7","6","2","6","7","4","1") = "6"
    & skf21("4","7","6","2","6","7","5","1") = "6"
    & skf21("4","7","6","2","6","7","6","1") = "6"
    & skf21("4","7","6","2","6","7","7","1") = "6"
    & skf21("4","7","6","2","7","1","1","1") = "6"
    & skf21("4","7","6","2","7","1","2","1") = "6"
    & skf21("4","7","6","2","7","1","3","1") = "6"
    & skf21("4","7","6","2","7","1","4","1") = "6"
    & skf21("4","7","6","2","7","1","5","1") = "6"
    & skf21("4","7","6","2","7","1","6","1") = "6"
    & skf21("4","7","6","2","7","1","7","1") = "6"
    & skf21("4","7","6","2","7","2","1","1") = "6"
    & skf21("4","7","6","2","7","2","2","1") = "6"
    & skf21("4","7","6","2","7","2","3","1") = "6"
    & skf21("4","7","6","2","7","2","4","1") = "6"
    & skf21("4","7","6","2","7","2","5","1") = "6"
    & skf21("4","7","6","2","7","2","6","1") = "6"
    & skf21("4","7","6","2","7","2","7","1") = "6"
    & skf21("4","7","6","2","7","3","1","1") = "6"
    & skf21("4","7","6","2","7","3","2","1") = "6"
    & skf21("4","7","6","2","7","3","3","1") = "6"
    & skf21("4","7","6","2","7","3","4","1") = "6"
    & skf21("4","7","6","2","7","3","5","1") = "6"
    & skf21("4","7","6","2","7","3","6","1") = "6"
    & skf21("4","7","6","2","7","3","7","1") = "6"
    & skf21("4","7","6","2","7","4","1","1") = "6"
    & skf21("4","7","6","2","7","4","2","1") = "6"
    & skf21("4","7","6","2","7","4","3","1") = "6"
    & skf21("4","7","6","2","7","4","4","1") = "6"
    & skf21("4","7","6","2","7","4","5","1") = "6"
    & skf21("4","7","6","2","7","4","6","1") = "6"
    & skf21("4","7","6","2","7","4","7","1") = "6"
    & skf21("4","7","6","2","7","5","1","1") = "6"
    & skf21("4","7","6","2","7","5","2","1") = "6"
    & skf21("4","7","6","2","7","5","3","1") = "6"
    & skf21("4","7","6","2","7","5","4","1") = "6"
    & skf21("4","7","6","2","7","5","5","1") = "6"
    & skf21("4","7","6","2","7","5","6","1") = "6"
    & skf21("4","7","6","2","7","5","7","1") = "6"
    & skf21("4","7","6","2","7","6","1","1") = "6"
    & skf21("4","7","6","2","7","6","2","1") = "6"
    & skf21("4","7","6","2","7","6","3","1") = "6"
    & skf21("4","7","6","2","7","6","4","1") = "6"
    & skf21("4","7","6","2","7","6","5","1") = "6"
    & skf21("4","7","6","2","7","6","6","1") = "6"
    & skf21("4","7","6","2","7","6","7","1") = "6"
    & skf21("4","7","6","2","7","7","1","1") = "6"
    & skf21("4","7","6","2","7","7","2","1") = "6"
    & skf21("4","7","6","2","7","7","3","1") = "6"
    & skf21("4","7","6","2","7","7","4","1") = "6"
    & skf21("4","7","6","2","7","7","5","1") = "6"
    & skf21("4","7","6","2","7","7","6","1") = "6"
    & skf21("4","7","6","2","7","7","7","1") = "6"
    & skf21("4","7","6","3","1","1","1","1") = "6"
    & skf21("4","7","6","3","1","1","2","1") = "6"
    & skf21("4","7","6","3","1","1","3","1") = "6"
    & skf21("4","7","6","3","1","1","4","1") = "6"
    & skf21("4","7","6","3","1","1","5","1") = "6"
    & skf21("4","7","6","3","1","1","6","1") = "6"
    & skf21("4","7","6","3","1","1","7","1") = "6"
    & skf21("4","7","6","3","1","2","1","1") = "6"
    & skf21("4","7","6","3","1","2","2","1") = "6"
    & skf21("4","7","6","3","1","2","3","1") = "6"
    & skf21("4","7","6","3","1","2","4","1") = "6"
    & skf21("4","7","6","3","1","2","5","1") = "6"
    & skf21("4","7","6","3","1","2","6","1") = "6"
    & skf21("4","7","6","3","1","2","7","1") = "6"
    & skf21("4","7","6","3","1","3","1","1") = "6"
    & skf21("4","7","6","3","1","3","2","1") = "6"
    & skf21("4","7","6","3","1","3","3","1") = "6"
    & skf21("4","7","6","3","1","3","4","1") = "6"
    & skf21("4","7","6","3","1","3","5","1") = "6"
    & skf21("4","7","6","3","1","3","6","1") = "6"
    & skf21("4","7","6","3","1","3","7","1") = "6"
    & skf21("4","7","6","3","1","4","1","1") = "6"
    & skf21("4","7","6","3","1","4","2","1") = "6"
    & skf21("4","7","6","3","1","4","3","1") = "6"
    & skf21("4","7","6","3","1","4","4","1") = "6"
    & skf21("4","7","6","3","1","4","5","1") = "6"
    & skf21("4","7","6","3","1","4","6","1") = "6"
    & skf21("4","7","6","3","1","4","7","1") = "6"
    & skf21("4","7","6","3","1","5","1","1") = "6"
    & skf21("4","7","6","3","1","5","2","1") = "6"
    & skf21("4","7","6","3","1","5","3","1") = "6"
    & skf21("4","7","6","3","1","5","4","1") = "6"
    & skf21("4","7","6","3","1","5","5","1") = "6"
    & skf21("4","7","6","3","1","5","6","1") = "6"
    & skf21("4","7","6","3","1","5","7","1") = "6"
    & skf21("4","7","6","3","1","6","1","1") = "6"
    & skf21("4","7","6","3","1","6","2","1") = "6"
    & skf21("4","7","6","3","1","6","3","1") = "6"
    & skf21("4","7","6","3","1","6","4","1") = "6"
    & skf21("4","7","6","3","1","6","5","1") = "6"
    & skf21("4","7","6","3","1","6","6","1") = "6"
    & skf21("4","7","6","3","1","6","7","1") = "6"
    & skf21("4","7","6","3","1","7","1","1") = "6"
    & skf21("4","7","6","3","1","7","2","1") = "6"
    & skf21("4","7","6","3","1","7","3","1") = "6"
    & skf21("4","7","6","3","1","7","4","1") = "6"
    & skf21("4","7","6","3","1","7","5","1") = "6"
    & skf21("4","7","6","3","1","7","6","1") = "6"
    & skf21("4","7","6","3","1","7","7","1") = "6"
    & skf21("4","7","6","3","2","1","1","1") = "6"
    & skf21("4","7","6","3","2","1","2","1") = "6"
    & skf21("4","7","6","3","2","1","3","1") = "6"
    & skf21("4","7","6","3","2","1","4","1") = "6"
    & skf21("4","7","6","3","2","1","5","1") = "6"
    & skf21("4","7","6","3","2","1","6","1") = "6"
    & skf21("4","7","6","3","2","1","7","1") = "6"
    & skf21("4","7","6","3","2","2","1","1") = "6"
    & skf21("4","7","6","3","2","2","2","1") = "6"
    & skf21("4","7","6","3","2","2","3","1") = "6"
    & skf21("4","7","6","3","2","2","4","1") = "6"
    & skf21("4","7","6","3","2","2","5","1") = "6"
    & skf21("4","7","6","3","2","2","6","1") = "6"
    & skf21("4","7","6","3","2","2","7","1") = "6"
    & skf21("4","7","6","3","2","3","1","1") = "6"
    & skf21("4","7","6","3","2","3","2","1") = "6"
    & skf21("4","7","6","3","2","3","3","1") = "6"
    & skf21("4","7","6","3","2","3","4","1") = "6"
    & skf21("4","7","6","3","2","3","5","1") = "6"
    & skf21("4","7","6","3","2","3","6","1") = "6"
    & skf21("4","7","6","3","2","3","7","1") = "6"
    & skf21("4","7","6","3","2","4","1","1") = "6"
    & skf21("4","7","6","3","2","4","2","1") = "6"
    & skf21("4","7","6","3","2","4","3","1") = "6"
    & skf21("4","7","6","3","2","4","4","1") = "6"
    & skf21("4","7","6","3","2","4","5","1") = "6"
    & skf21("4","7","6","3","2","4","6","1") = "6"
    & skf21("4","7","6","3","2","4","7","1") = "6"
    & skf21("4","7","6","3","2","5","1","1") = "6"
    & skf21("4","7","6","3","2","5","2","1") = "6"
    & skf21("4","7","6","3","2","5","3","1") = "6"
    & skf21("4","7","6","3","2","5","4","1") = "6"
    & skf21("4","7","6","3","2","5","5","1") = "6"
    & skf21("4","7","6","3","2","5","6","1") = "6"
    & skf21("4","7","6","3","2","5","7","1") = "6"
    & skf21("4","7","6","3","2","6","1","1") = "6"
    & skf21("4","7","6","3","2","6","2","1") = "6"
    & skf21("4","7","6","3","2","6","3","1") = "6"
    & skf21("4","7","6","3","2","6","4","1") = "6"
    & skf21("4","7","6","3","2","6","5","1") = "6"
    & skf21("4","7","6","3","2","6","6","1") = "6"
    & skf21("4","7","6","3","2","6","7","1") = "6"
    & skf21("4","7","6","3","2","7","1","1") = "6"
    & skf21("4","7","6","3","2","7","2","1") = "6"
    & skf21("4","7","6","3","2","7","3","1") = "6"
    & skf21("4","7","6","3","2","7","4","1") = "6"
    & skf21("4","7","6","3","2","7","5","1") = "6"
    & skf21("4","7","6","3","2","7","6","1") = "6"
    & skf21("4","7","6","3","2","7","7","1") = "6"
    & skf21("4","7","6","3","3","1","1","1") = "6"
    & skf21("4","7","6","3","3","1","2","1") = "6"
    & skf21("4","7","6","3","3","1","3","1") = "6"
    & skf21("4","7","6","3","3","1","4","1") = "6"
    & skf21("4","7","6","3","3","1","5","1") = "6"
    & skf21("4","7","6","3","3","1","6","1") = "6"
    & skf21("4","7","6","3","3","1","7","1") = "6"
    & skf21("4","7","6","3","3","2","1","1") = "6"
    & skf21("4","7","6","3","3","2","2","1") = "6"
    & skf21("4","7","6","3","3","2","3","1") = "6"
    & skf21("4","7","6","3","3","2","4","1") = "6"
    & skf21("4","7","6","3","3","2","5","1") = "6"
    & skf21("4","7","6","3","3","2","6","1") = "6"
    & skf21("4","7","6","3","3","2","7","1") = "6"
    & skf21("4","7","6","3","3","3","1","1") = "6"
    & skf21("4","7","6","3","3","3","2","1") = "6"
    & skf21("4","7","6","3","3","3","3","1") = "6"
    & skf21("4","7","6","3","3","3","4","1") = "6"
    & skf21("4","7","6","3","3","3","5","1") = "6"
    & skf21("4","7","6","3","3","3","6","1") = "6"
    & skf21("4","7","6","3","3","3","7","1") = "6"
    & skf21("4","7","6","3","3","4","1","1") = "6"
    & skf21("4","7","6","3","3","4","2","1") = "6"
    & skf21("4","7","6","3","3","4","3","1") = "6"
    & skf21("4","7","6","3","3","4","4","1") = "6"
    & skf21("4","7","6","3","3","4","5","1") = "6"
    & skf21("4","7","6","3","3","4","6","1") = "6"
    & skf21("4","7","6","3","3","4","7","1") = "6"
    & skf21("4","7","6","3","3","5","1","1") = "6"
    & skf21("4","7","6","3","3","5","2","1") = "6"
    & skf21("4","7","6","3","3","5","3","1") = "6"
    & skf21("4","7","6","3","3","5","4","1") = "6"
    & skf21("4","7","6","3","3","5","5","1") = "6"
    & skf21("4","7","6","3","3","5","6","1") = "6"
    & skf21("4","7","6","3","3","5","7","1") = "6"
    & skf21("4","7","6","3","3","6","1","1") = "6"
    & skf21("4","7","6","3","3","6","2","1") = "6"
    & skf21("4","7","6","3","3","6","3","1") = "6"
    & skf21("4","7","6","3","3","6","4","1") = "6"
    & skf21("4","7","6","3","3","6","5","1") = "6"
    & skf21("4","7","6","3","3","6","6","1") = "6"
    & skf21("4","7","6","3","3","6","7","1") = "6"
    & skf21("4","7","6","3","3","7","1","1") = "6"
    & skf21("4","7","6","3","3","7","2","1") = "6"
    & skf21("4","7","6","3","3","7","3","1") = "6"
    & skf21("4","7","6","3","3","7","4","1") = "6"
    & skf21("4","7","6","3","3","7","5","1") = "6"
    & skf21("4","7","6","3","3","7","6","1") = "6"
    & skf21("4","7","6","3","3","7","7","1") = "6"
    & skf21("4","7","6","3","4","1","1","1") = "6"
    & skf21("4","7","6","3","4","1","2","1") = "6"
    & skf21("4","7","6","3","4","1","3","1") = "6"
    & skf21("4","7","6","3","4","1","4","1") = "6"
    & skf21("4","7","6","3","4","1","5","1") = "6"
    & skf21("4","7","6","3","4","1","6","1") = "6"
    & skf21("4","7","6","3","4","1","7","1") = "6"
    & skf21("4","7","6","3","4","2","1","1") = "6"
    & skf21("4","7","6","3","4","2","2","1") = "6"
    & skf21("4","7","6","3","4","2","3","1") = "6"
    & skf21("4","7","6","3","4","2","4","1") = "6"
    & skf21("4","7","6","3","4","2","5","1") = "6"
    & skf21("4","7","6","3","4","2","6","1") = "6"
    & skf21("4","7","6","3","4","2","7","1") = "6"
    & skf21("4","7","6","3","4","3","1","1") = "6"
    & skf21("4","7","6","3","4","3","2","1") = "6"
    & skf21("4","7","6","3","4","3","3","1") = "6"
    & skf21("4","7","6","3","4","3","4","1") = "6"
    & skf21("4","7","6","3","4","3","5","1") = "6"
    & skf21("4","7","6","3","4","3","6","1") = "6"
    & skf21("4","7","6","3","4","3","7","1") = "6"
    & skf21("4","7","6","3","4","4","1","1") = "6"
    & skf21("4","7","6","3","4","4","2","1") = "6"
    & skf21("4","7","6","3","4","4","3","1") = "6"
    & skf21("4","7","6","3","4","4","4","1") = "6"
    & skf21("4","7","6","3","4","4","5","1") = "6"
    & skf21("4","7","6","3","4","4","6","1") = "6"
    & skf21("4","7","6","3","4","4","7","1") = "6"
    & skf21("4","7","6","3","4","5","1","1") = "6"
    & skf21("4","7","6","3","4","5","2","1") = "6"
    & skf21("4","7","6","3","4","5","3","1") = "6"
    & skf21("4","7","6","3","4","5","4","1") = "6"
    & skf21("4","7","6","3","4","5","5","1") = "6"
    & skf21("4","7","6","3","4","5","6","1") = "6"
    & skf21("4","7","6","3","4","5","7","1") = "6"
    & skf21("4","7","6","3","4","6","1","1") = "6"
    & skf21("4","7","6","3","4","6","2","1") = "6"
    & skf21("4","7","6","3","4","6","3","1") = "6"
    & skf21("4","7","6","3","4","6","4","1") = "6"
    & skf21("4","7","6","3","4","6","5","1") = "6"
    & skf21("4","7","6","3","4","6","6","1") = "6"
    & skf21("4","7","6","3","4","6","7","1") = "6"
    & skf21("4","7","6","3","4","7","1","1") = "6"
    & skf21("4","7","6","3","4","7","2","1") = "6"
    & skf21("4","7","6","3","4","7","3","1") = "6"
    & skf21("4","7","6","3","4","7","4","1") = "6"
    & skf21("4","7","6","3","4","7","5","1") = "6"
    & skf21("4","7","6","3","4","7","6","1") = "6"
    & skf21("4","7","6","3","4","7","7","1") = "6"
    & skf21("4","7","6","3","5","1","1","1") = "6"
    & skf21("4","7","6","3","5","1","2","1") = "6"
    & skf21("4","7","6","3","5","1","3","1") = "6"
    & skf21("4","7","6","3","5","1","4","1") = "6"
    & skf21("4","7","6","3","5","1","5","1") = "6"
    & skf21("4","7","6","3","5","1","6","1") = "6"
    & skf21("4","7","6","3","5","1","7","1") = "6"
    & skf21("4","7","6","3","5","2","1","1") = "6"
    & skf21("4","7","6","3","5","2","2","1") = "6"
    & skf21("4","7","6","3","5","2","3","1") = "6"
    & skf21("4","7","6","3","5","2","4","1") = "6"
    & skf21("4","7","6","3","5","2","5","1") = "6"
    & skf21("4","7","6","3","5","2","6","1") = "6"
    & skf21("4","7","6","3","5","2","7","1") = "6"
    & skf21("4","7","6","3","5","3","1","1") = "6"
    & skf21("4","7","6","3","5","3","2","1") = "6"
    & skf21("4","7","6","3","5","3","3","1") = "6"
    & skf21("4","7","6","3","5","3","4","1") = "6"
    & skf21("4","7","6","3","5","3","5","1") = "6"
    & skf21("4","7","6","3","5","3","6","1") = "6"
    & skf21("4","7","6","3","5","3","7","1") = "6"
    & skf21("4","7","6","3","5","4","1","1") = "6"
    & skf21("4","7","6","3","5","4","2","1") = "6"
    & skf21("4","7","6","3","5","4","3","1") = "6"
    & skf21("4","7","6","3","5","4","4","1") = "6"
    & skf21("4","7","6","3","5","4","5","1") = "6"
    & skf21("4","7","6","3","5","4","6","1") = "6"
    & skf21("4","7","6","3","5","4","7","1") = "6"
    & skf21("4","7","6","3","5","5","1","1") = "6"
    & skf21("4","7","6","3","5","5","2","1") = "6"
    & skf21("4","7","6","3","5","5","3","1") = "6"
    & skf21("4","7","6","3","5","5","4","1") = "6"
    & skf21("4","7","6","3","5","5","5","1") = "6"
    & skf21("4","7","6","3","5","5","6","1") = "6"
    & skf21("4","7","6","3","5","5","7","1") = "6"
    & skf21("4","7","6","3","5","6","1","1") = "6"
    & skf21("4","7","6","3","5","6","2","1") = "6"
    & skf21("4","7","6","3","5","6","3","1") = "6"
    & skf21("4","7","6","3","5","6","4","1") = "6"
    & skf21("4","7","6","3","5","6","5","1") = "6"
    & skf21("4","7","6","3","5","6","6","1") = "6"
    & skf21("4","7","6","3","5","6","7","1") = "6"
    & skf21("4","7","6","3","5","7","1","1") = "6"
    & skf21("4","7","6","3","5","7","2","1") = "6"
    & skf21("4","7","6","3","5","7","3","1") = "6"
    & skf21("4","7","6","3","5","7","4","1") = "6"
    & skf21("4","7","6","3","5","7","5","1") = "6"
    & skf21("4","7","6","3","5","7","6","1") = "6"
    & skf21("4","7","6","3","5","7","7","1") = "6"
    & skf21("4","7","6","3","6","1","1","1") = "6"
    & skf21("4","7","6","3","6","1","2","1") = "6"
    & skf21("4","7","6","3","6","1","3","1") = "6"
    & skf21("4","7","6","3","6","1","4","1") = "6"
    & skf21("4","7","6","3","6","1","5","1") = "6"
    & skf21("4","7","6","3","6","1","6","1") = "6"
    & skf21("4","7","6","3","6","1","7","1") = "6"
    & skf21("4","7","6","3","6","2","1","1") = "6"
    & skf21("4","7","6","3","6","2","2","1") = "6"
    & skf21("4","7","6","3","6","2","3","1") = "6"
    & skf21("4","7","6","3","6","2","4","1") = "6"
    & skf21("4","7","6","3","6","2","5","1") = "6"
    & skf21("4","7","6","3","6","2","6","1") = "6"
    & skf21("4","7","6","3","6","2","7","1") = "6"
    & skf21("4","7","6","3","6","3","1","1") = "6"
    & skf21("4","7","6","3","6","3","2","1") = "6"
    & skf21("4","7","6","3","6","3","3","1") = "6"
    & skf21("4","7","6","3","6","3","4","1") = "6"
    & skf21("4","7","6","3","6","3","5","1") = "6"
    & skf21("4","7","6","3","6","3","6","1") = "6"
    & skf21("4","7","6","3","6","3","7","1") = "6"
    & skf21("4","7","6","3","6","4","1","1") = "6"
    & skf21("4","7","6","3","6","4","2","1") = "6"
    & skf21("4","7","6","3","6","4","3","1") = "6"
    & skf21("4","7","6","3","6","4","4","1") = "6"
    & skf21("4","7","6","3","6","4","5","1") = "6"
    & skf21("4","7","6","3","6","4","6","1") = "6"
    & skf21("4","7","6","3","6","4","7","1") = "6"
    & skf21("4","7","6","3","6","5","1","1") = "6"
    & skf21("4","7","6","3","6","5","2","1") = "6"
    & skf21("4","7","6","3","6","5","3","1") = "6"
    & skf21("4","7","6","3","6","5","4","1") = "6"
    & skf21("4","7","6","3","6","5","5","1") = "6"
    & skf21("4","7","6","3","6","5","6","1") = "6"
    & skf21("4","7","6","3","6","5","7","1") = "6"
    & skf21("4","7","6","3","6","6","1","1") = "6"
    & skf21("4","7","6","3","6","6","2","1") = "6"
    & skf21("4","7","6","3","6","6","3","1") = "6"
    & skf21("4","7","6","3","6","6","4","1") = "6"
    & skf21("4","7","6","3","6","6","5","1") = "6"
    & skf21("4","7","6","3","6","6","6","1") = "6"
    & skf21("4","7","6","3","6","6","7","1") = "6"
    & skf21("4","7","6","3","6","7","1","1") = "6"
    & skf21("4","7","6","3","6","7","2","1") = "6"
    & skf21("4","7","6","3","6","7","3","1") = "6"
    & skf21("4","7","6","3","6","7","4","1") = "6"
    & skf21("4","7","6","3","6","7","5","1") = "6"
    & skf21("4","7","6","3","6","7","6","1") = "6"
    & skf21("4","7","6","3","6","7","7","1") = "6"
    & skf21("4","7","6","3","7","1","1","1") = "6"
    & skf21("4","7","6","3","7","1","2","1") = "6"
    & skf21("4","7","6","3","7","1","3","1") = "6"
    & skf21("4","7","6","3","7","1","4","1") = "6"
    & skf21("4","7","6","3","7","1","5","1") = "6"
    & skf21("4","7","6","3","7","1","6","1") = "6"
    & skf21("4","7","6","3","7","1","7","1") = "6"
    & skf21("4","7","6","3","7","2","1","1") = "6"
    & skf21("4","7","6","3","7","2","2","1") = "6"
    & skf21("4","7","6","3","7","2","3","1") = "6"
    & skf21("4","7","6","3","7","2","4","1") = "6"
    & skf21("4","7","6","3","7","2","5","1") = "6"
    & skf21("4","7","6","3","7","2","6","1") = "6"
    & skf21("4","7","6","3","7","2","7","1") = "6"
    & skf21("4","7","6","3","7","3","1","1") = "6"
    & skf21("4","7","6","3","7","3","2","1") = "6"
    & skf21("4","7","6","3","7","3","3","1") = "6"
    & skf21("4","7","6","3","7","3","4","1") = "6"
    & skf21("4","7","6","3","7","3","5","1") = "6"
    & skf21("4","7","6","3","7","3","6","1") = "6"
    & skf21("4","7","6","3","7","3","7","1") = "6"
    & skf21("4","7","6","3","7","4","1","1") = "6"
    & skf21("4","7","6","3","7","4","2","1") = "6"
    & skf21("4","7","6","3","7","4","3","1") = "6"
    & skf21("4","7","6","3","7","4","4","1") = "6"
    & skf21("4","7","6","3","7","4","5","1") = "6"
    & skf21("4","7","6","3","7","4","6","1") = "6"
    & skf21("4","7","6","3","7","4","7","1") = "6"
    & skf21("4","7","6","3","7","5","1","1") = "6"
    & skf21("4","7","6","3","7","5","2","1") = "6"
    & skf21("4","7","6","3","7","5","3","1") = "6"
    & skf21("4","7","6","3","7","5","4","1") = "6"
    & skf21("4","7","6","3","7","5","5","1") = "6"
    & skf21("4","7","6","3","7","5","6","1") = "6"
    & skf21("4","7","6","3","7","5","7","1") = "6"
    & skf21("4","7","6","3","7","6","1","1") = "6"
    & skf21("4","7","6","3","7","6","2","1") = "6"
    & skf21("4","7","6","3","7","6","3","1") = "6"
    & skf21("4","7","6","3","7","6","4","1") = "6"
    & skf21("4","7","6","3","7","6","5","1") = "6"
    & skf21("4","7","6","3","7","6","6","1") = "6"
    & skf21("4","7","6","3","7","6","7","1") = "6"
    & skf21("4","7","6","3","7","7","1","1") = "6"
    & skf21("4","7","6","3","7","7","2","1") = "6"
    & skf21("4","7","6","3","7","7","3","1") = "6"
    & skf21("4","7","6","3","7","7","4","1") = "6"
    & skf21("4","7","6","3","7","7","5","1") = "6"
    & skf21("4","7","6","3","7","7","6","1") = "6"
    & skf21("4","7","6","3","7","7","7","1") = "6"
    & skf21("4","7","6","4","1","1","1","1") = "6"
    & skf21("4","7","6","4","1","1","2","1") = "6"
    & skf21("4","7","6","4","1","1","3","1") = "6"
    & skf21("4","7","6","4","1","1","4","1") = "6"
    & skf21("4","7","6","4","1","1","5","1") = "6"
    & skf21("4","7","6","4","1","1","6","1") = "6"
    & skf21("4","7","6","4","1","1","7","1") = "6"
    & skf21("4","7","6","4","1","2","1","1") = "6"
    & skf21("4","7","6","4","1","2","2","1") = "6"
    & skf21("4","7","6","4","1","2","3","1") = "6"
    & skf21("4","7","6","4","1","2","4","1") = "6"
    & skf21("4","7","6","4","1","2","5","1") = "6"
    & skf21("4","7","6","4","1","2","6","1") = "6"
    & skf21("4","7","6","4","1","2","7","1") = "6"
    & skf21("4","7","6","4","1","3","1","1") = "6"
    & skf21("4","7","6","4","1","3","2","1") = "6"
    & skf21("4","7","6","4","1","3","3","1") = "6"
    & skf21("4","7","6","4","1","3","4","1") = "6"
    & skf21("4","7","6","4","1","3","5","1") = "6"
    & skf21("4","7","6","4","1","3","6","1") = "6"
    & skf21("4","7","6","4","1","3","7","1") = "6"
    & skf21("4","7","6","4","1","4","1","1") = "6"
    & skf21("4","7","6","4","1","4","2","1") = "6"
    & skf21("4","7","6","4","1","4","3","1") = "6"
    & skf21("4","7","6","4","1","4","4","1") = "6"
    & skf21("4","7","6","4","1","4","5","1") = "6"
    & skf21("4","7","6","4","1","4","6","1") = "6"
    & skf21("4","7","6","4","1","4","7","1") = "6"
    & skf21("4","7","6","4","1","5","1","1") = "6"
    & skf21("4","7","6","4","1","5","2","1") = "6"
    & skf21("4","7","6","4","1","5","3","1") = "6"
    & skf21("4","7","6","4","1","5","4","1") = "6"
    & skf21("4","7","6","4","1","5","5","1") = "6"
    & skf21("4","7","6","4","1","5","6","1") = "6"
    & skf21("4","7","6","4","1","5","7","1") = "6"
    & skf21("4","7","6","4","1","6","1","1") = "6"
    & skf21("4","7","6","4","1","6","2","1") = "6"
    & skf21("4","7","6","4","1","6","3","1") = "6"
    & skf21("4","7","6","4","1","6","4","1") = "6"
    & skf21("4","7","6","4","1","6","5","1") = "6"
    & skf21("4","7","6","4","1","6","6","1") = "6"
    & skf21("4","7","6","4","1","6","7","1") = "6"
    & skf21("4","7","6","4","1","7","1","1") = "6"
    & skf21("4","7","6","4","1","7","2","1") = "6"
    & skf21("4","7","6","4","1","7","3","1") = "6"
    & skf21("4","7","6","4","1","7","4","1") = "6"
    & skf21("4","7","6","4","1","7","5","1") = "6"
    & skf21("4","7","6","4","1","7","6","1") = "6"
    & skf21("4","7","6","4","1","7","7","1") = "6"
    & skf21("4","7","6","4","2","1","1","1") = "6"
    & skf21("4","7","6","4","2","1","2","1") = "6"
    & skf21("4","7","6","4","2","1","3","1") = "6"
    & skf21("4","7","6","4","2","1","4","1") = "6"
    & skf21("4","7","6","4","2","1","5","1") = "6"
    & skf21("4","7","6","4","2","1","6","1") = "6"
    & skf21("4","7","6","4","2","1","7","1") = "6"
    & skf21("4","7","6","4","2","2","1","1") = "6"
    & skf21("4","7","6","4","2","2","2","1") = "6"
    & skf21("4","7","6","4","2","2","3","1") = "6"
    & skf21("4","7","6","4","2","2","4","1") = "6"
    & skf21("4","7","6","4","2","2","5","1") = "6"
    & skf21("4","7","6","4","2","2","6","1") = "6"
    & skf21("4","7","6","4","2","2","7","1") = "6"
    & skf21("4","7","6","4","2","3","1","1") = "6"
    & skf21("4","7","6","4","2","3","2","1") = "6"
    & skf21("4","7","6","4","2","3","3","1") = "6"
    & skf21("4","7","6","4","2","3","4","1") = "6"
    & skf21("4","7","6","4","2","3","5","1") = "6"
    & skf21("4","7","6","4","2","3","6","1") = "6"
    & skf21("4","7","6","4","2","3","7","1") = "6"
    & skf21("4","7","6","4","2","4","1","1") = "6"
    & skf21("4","7","6","4","2","4","2","1") = "6"
    & skf21("4","7","6","4","2","4","3","1") = "6"
    & skf21("4","7","6","4","2","4","4","1") = "6"
    & skf21("4","7","6","4","2","4","5","1") = "6"
    & skf21("4","7","6","4","2","4","6","1") = "6"
    & skf21("4","7","6","4","2","4","7","1") = "6"
    & skf21("4","7","6","4","2","5","1","1") = "6"
    & skf21("4","7","6","4","2","5","2","1") = "6"
    & skf21("4","7","6","4","2","5","3","1") = "6"
    & skf21("4","7","6","4","2","5","4","1") = "6"
    & skf21("4","7","6","4","2","5","5","1") = "6"
    & skf21("4","7","6","4","2","5","6","1") = "6"
    & skf21("4","7","6","4","2","5","7","1") = "6"
    & skf21("4","7","6","4","2","6","1","1") = "6"
    & skf21("4","7","6","4","2","6","2","1") = "6"
    & skf21("4","7","6","4","2","6","3","1") = "6"
    & skf21("4","7","6","4","2","6","4","1") = "6"
    & skf21("4","7","6","4","2","6","5","1") = "6"
    & skf21("4","7","6","4","2","6","6","1") = "6"
    & skf21("4","7","6","4","2","6","7","1") = "6"
    & skf21("4","7","6","4","2","7","1","1") = "6"
    & skf21("4","7","6","4","2","7","2","1") = "6"
    & skf21("4","7","6","4","2","7","3","1") = "6"
    & skf21("4","7","6","4","2","7","4","1") = "6"
    & skf21("4","7","6","4","2","7","5","1") = "6"
    & skf21("4","7","6","4","2","7","6","1") = "6"
    & skf21("4","7","6","4","2","7","7","1") = "6"
    & skf21("4","7","6","4","3","1","1","1") = "6"
    & skf21("4","7","6","4","3","1","2","1") = "6"
    & skf21("4","7","6","4","3","1","3","1") = "6"
    & skf21("4","7","6","4","3","1","4","1") = "6"
    & skf21("4","7","6","4","3","1","5","1") = "6"
    & skf21("4","7","6","4","3","1","6","1") = "6"
    & skf21("4","7","6","4","3","1","7","1") = "6"
    & skf21("4","7","6","4","3","2","1","1") = "6"
    & skf21("4","7","6","4","3","2","2","1") = "6"
    & skf21("4","7","6","4","3","2","3","1") = "6"
    & skf21("4","7","6","4","3","2","4","1") = "6"
    & skf21("4","7","6","4","3","2","5","1") = "6"
    & skf21("4","7","6","4","3","2","6","1") = "6"
    & skf21("4","7","6","4","3","2","7","1") = "6"
    & skf21("4","7","6","4","3","3","1","1") = "6"
    & skf21("4","7","6","4","3","3","2","1") = "6"
    & skf21("4","7","6","4","3","3","3","1") = "6"
    & skf21("4","7","6","4","3","3","4","1") = "6"
    & skf21("4","7","6","4","3","3","5","1") = "6"
    & skf21("4","7","6","4","3","3","6","1") = "6"
    & skf21("4","7","6","4","3","3","7","1") = "6"
    & skf21("4","7","6","4","3","4","1","1") = "6"
    & skf21("4","7","6","4","3","4","2","1") = "6"
    & skf21("4","7","6","4","3","4","3","1") = "6"
    & skf21("4","7","6","4","3","4","4","1") = "6"
    & skf21("4","7","6","4","3","4","5","1") = "6"
    & skf21("4","7","6","4","3","4","6","1") = "6"
    & skf21("4","7","6","4","3","4","7","1") = "6"
    & skf21("4","7","6","4","3","5","1","1") = "6"
    & skf21("4","7","6","4","3","5","2","1") = "6"
    & skf21("4","7","6","4","3","5","3","1") = "6"
    & skf21("4","7","6","4","3","5","4","1") = "6"
    & skf21("4","7","6","4","3","5","5","1") = "6"
    & skf21("4","7","6","4","3","5","6","1") = "6"
    & skf21("4","7","6","4","3","5","7","1") = "6"
    & skf21("4","7","6","4","3","6","1","1") = "6"
    & skf21("4","7","6","4","3","6","2","1") = "6"
    & skf21("4","7","6","4","3","6","3","1") = "6"
    & skf21("4","7","6","4","3","6","4","1") = "6"
    & skf21("4","7","6","4","3","6","5","1") = "6"
    & skf21("4","7","6","4","3","6","6","1") = "6"
    & skf21("4","7","6","4","3","6","7","1") = "6"
    & skf21("4","7","6","4","3","7","1","1") = "6"
    & skf21("4","7","6","4","3","7","2","1") = "6"
    & skf21("4","7","6","4","3","7","3","1") = "6"
    & skf21("4","7","6","4","3","7","4","1") = "6"
    & skf21("4","7","6","4","3","7","5","1") = "6"
    & skf21("4","7","6","4","3","7","6","1") = "6"
    & skf21("4","7","6","4","3","7","7","1") = "6"
    & skf21("4","7","6","4","4","1","1","1") = "6"
    & skf21("4","7","6","4","4","1","2","1") = "6"
    & skf21("4","7","6","4","4","1","3","1") = "6"
    & skf21("4","7","6","4","4","1","4","1") = "6"
    & skf21("4","7","6","4","4","1","5","1") = "6"
    & skf21("4","7","6","4","4","1","6","1") = "6"
    & skf21("4","7","6","4","4","1","7","1") = "6"
    & skf21("4","7","6","4","4","2","1","1") = "6"
    & skf21("4","7","6","4","4","2","2","1") = "6"
    & skf21("4","7","6","4","4","2","3","1") = "6"
    & skf21("4","7","6","4","4","2","4","1") = "6"
    & skf21("4","7","6","4","4","2","5","1") = "6"
    & skf21("4","7","6","4","4","2","6","1") = "6"
    & skf21("4","7","6","4","4","2","7","1") = "6"
    & skf21("4","7","6","4","4","3","1","1") = "6"
    & skf21("4","7","6","4","4","3","2","1") = "6"
    & skf21("4","7","6","4","4","3","3","1") = "6"
    & skf21("4","7","6","4","4","3","4","1") = "6"
    & skf21("4","7","6","4","4","3","5","1") = "6"
    & skf21("4","7","6","4","4","3","6","1") = "6"
    & skf21("4","7","6","4","4","3","7","1") = "6"
    & skf21("4","7","6","4","4","4","1","1") = "6"
    & skf21("4","7","6","4","4","4","2","1") = "6"
    & skf21("4","7","6","4","4","4","3","1") = "6"
    & skf21("4","7","6","4","4","4","4","1") = "6"
    & skf21("4","7","6","4","4","4","5","1") = "6"
    & skf21("4","7","6","4","4","4","6","1") = "6"
    & skf21("4","7","6","4","4","4","7","1") = "6"
    & skf21("4","7","6","4","4","5","1","1") = "6"
    & skf21("4","7","6","4","4","5","2","1") = "6"
    & skf21("4","7","6","4","4","5","3","1") = "6"
    & skf21("4","7","6","4","4","5","4","1") = "6"
    & skf21("4","7","6","4","4","5","5","1") = "6"
    & skf21("4","7","6","4","4","5","6","1") = "6"
    & skf21("4","7","6","4","4","5","7","1") = "6"
    & skf21("4","7","6","4","4","6","1","1") = "6"
    & skf21("4","7","6","4","4","6","2","1") = "6"
    & skf21("4","7","6","4","4","6","3","1") = "6"
    & skf21("4","7","6","4","4","6","4","1") = "6"
    & skf21("4","7","6","4","4","6","5","1") = "6"
    & skf21("4","7","6","4","4","6","6","1") = "6"
    & skf21("4","7","6","4","4","6","7","1") = "6"
    & skf21("4","7","6","4","4","7","1","1") = "6"
    & skf21("4","7","6","4","4","7","2","1") = "6"
    & skf21("4","7","6","4","4","7","3","1") = "6"
    & skf21("4","7","6","4","4","7","4","1") = "6"
    & skf21("4","7","6","4","4","7","5","1") = "6"
    & skf21("4","7","6","4","4","7","6","1") = "6"
    & skf21("4","7","6","4","4","7","7","1") = "6"
    & skf21("4","7","6","4","5","1","1","1") = "6"
    & skf21("4","7","6","4","5","1","2","1") = "6"
    & skf21("4","7","6","4","5","1","3","1") = "6"
    & skf21("4","7","6","4","5","1","4","1") = "6"
    & skf21("4","7","6","4","5","1","5","1") = "6"
    & skf21("4","7","6","4","5","1","6","1") = "6"
    & skf21("4","7","6","4","5","1","7","1") = "6"
    & skf21("4","7","6","4","5","2","1","1") = "6"
    & skf21("4","7","6","4","5","2","2","1") = "6"
    & skf21("4","7","6","4","5","2","3","1") = "6"
    & skf21("4","7","6","4","5","2","4","1") = "6"
    & skf21("4","7","6","4","5","2","5","1") = "6"
    & skf21("4","7","6","4","5","2","6","1") = "6"
    & skf21("4","7","6","4","5","2","7","1") = "6"
    & skf21("4","7","6","4","5","3","1","1") = "6"
    & skf21("4","7","6","4","5","3","2","1") = "6"
    & skf21("4","7","6","4","5","3","3","1") = "6"
    & skf21("4","7","6","4","5","3","4","1") = "6"
    & skf21("4","7","6","4","5","3","5","1") = "6"
    & skf21("4","7","6","4","5","3","6","1") = "6"
    & skf21("4","7","6","4","5","3","7","1") = "6"
    & skf21("4","7","6","4","5","4","1","1") = "6"
    & skf21("4","7","6","4","5","4","2","1") = "6"
    & skf21("4","7","6","4","5","4","3","1") = "6"
    & skf21("4","7","6","4","5","4","4","1") = "6"
    & skf21("4","7","6","4","5","4","5","1") = "6"
    & skf21("4","7","6","4","5","4","6","1") = "6"
    & skf21("4","7","6","4","5","4","7","1") = "6"
    & skf21("4","7","6","4","5","5","1","1") = "6"
    & skf21("4","7","6","4","5","5","2","1") = "6"
    & skf21("4","7","6","4","5","5","3","1") = "6"
    & skf21("4","7","6","4","5","5","4","1") = "6"
    & skf21("4","7","6","4","5","5","5","1") = "6"
    & skf21("4","7","6","4","5","5","6","1") = "6"
    & skf21("4","7","6","4","5","5","7","1") = "6"
    & skf21("4","7","6","4","5","6","1","1") = "6"
    & skf21("4","7","6","4","5","6","2","1") = "6"
    & skf21("4","7","6","4","5","6","3","1") = "6"
    & skf21("4","7","6","4","5","6","4","1") = "6"
    & skf21("4","7","6","4","5","6","5","1") = "6"
    & skf21("4","7","6","4","5","6","6","1") = "6"
    & skf21("4","7","6","4","5","6","7","1") = "6"
    & skf21("4","7","6","4","5","7","1","1") = "6"
    & skf21("4","7","6","4","5","7","2","1") = "6"
    & skf21("4","7","6","4","5","7","3","1") = "6"
    & skf21("4","7","6","4","5","7","4","1") = "6"
    & skf21("4","7","6","4","5","7","5","1") = "6"
    & skf21("4","7","6","4","5","7","6","1") = "6"
    & skf21("4","7","6","4","5","7","7","1") = "6"
    & skf21("4","7","6","4","6","1","1","1") = "6"
    & skf21("4","7","6","4","6","1","2","1") = "6"
    & skf21("4","7","6","4","6","1","3","1") = "6"
    & skf21("4","7","6","4","6","1","4","1") = "6"
    & skf21("4","7","6","4","6","1","5","1") = "6"
    & skf21("4","7","6","4","6","1","6","1") = "6"
    & skf21("4","7","6","4","6","1","7","1") = "6"
    & skf21("4","7","6","4","6","2","1","1") = "6"
    & skf21("4","7","6","4","6","2","2","1") = "6"
    & skf21("4","7","6","4","6","2","3","1") = "6"
    & skf21("4","7","6","4","6","2","4","1") = "6"
    & skf21("4","7","6","4","6","2","5","1") = "6"
    & skf21("4","7","6","4","6","2","6","1") = "6"
    & skf21("4","7","6","4","6","2","7","1") = "6"
    & skf21("4","7","6","4","6","3","1","1") = "6"
    & skf21("4","7","6","4","6","3","2","1") = "6"
    & skf21("4","7","6","4","6","3","3","1") = "6"
    & skf21("4","7","6","4","6","3","4","1") = "6"
    & skf21("4","7","6","4","6","3","5","1") = "6"
    & skf21("4","7","6","4","6","3","6","1") = "6"
    & skf21("4","7","6","4","6","3","7","1") = "6"
    & skf21("4","7","6","4","6","4","1","1") = "6"
    & skf21("4","7","6","4","6","4","2","1") = "6"
    & skf21("4","7","6","4","6","4","3","1") = "6"
    & skf21("4","7","6","4","6","4","4","1") = "6"
    & skf21("4","7","6","4","6","4","5","1") = "6"
    & skf21("4","7","6","4","6","4","6","1") = "6"
    & skf21("4","7","6","4","6","4","7","1") = "6"
    & skf21("4","7","6","4","6","5","1","1") = "6"
    & skf21("4","7","6","4","6","5","2","1") = "6"
    & skf21("4","7","6","4","6","5","3","1") = "6"
    & skf21("4","7","6","4","6","5","4","1") = "6"
    & skf21("4","7","6","4","6","5","5","1") = "6"
    & skf21("4","7","6","4","6","5","6","1") = "6"
    & skf21("4","7","6","4","6","5","7","1") = "6"
    & skf21("4","7","6","4","6","6","1","1") = "6"
    & skf21("4","7","6","4","6","6","2","1") = "6"
    & skf21("4","7","6","4","6","6","3","1") = "6"
    & skf21("4","7","6","4","6","6","4","1") = "6"
    & skf21("4","7","6","4","6","6","5","1") = "6"
    & skf21("4","7","6","4","6","6","6","1") = "6"
    & skf21("4","7","6","4","6","6","7","1") = "6"
    & skf21("4","7","6","4","6","7","1","1") = "6"
    & skf21("4","7","6","4","6","7","2","1") = "6"
    & skf21("4","7","6","4","6","7","3","1") = "6"
    & skf21("4","7","6","4","6","7","4","1") = "6"
    & skf21("4","7","6","4","6","7","5","1") = "6"
    & skf21("4","7","6","4","6","7","6","1") = "6"
    & skf21("4","7","6","4","6","7","7","1") = "6"
    & skf21("4","7","6","4","7","1","1","1") = "6"
    & skf21("4","7","6","4","7","1","2","1") = "6"
    & skf21("4","7","6","4","7","1","3","1") = "6"
    & skf21("4","7","6","4","7","1","4","1") = "6"
    & skf21("4","7","6","4","7","1","5","1") = "6"
    & skf21("4","7","6","4","7","1","6","1") = "6"
    & skf21("4","7","6","4","7","1","7","1") = "6"
    & skf21("4","7","6","4","7","2","1","1") = "6"
    & skf21("4","7","6","4","7","2","2","1") = "6"
    & skf21("4","7","6","4","7","2","3","1") = "6"
    & skf21("4","7","6","4","7","2","4","1") = "6"
    & skf21("4","7","6","4","7","2","5","1") = "6"
    & skf21("4","7","6","4","7","2","6","1") = "6"
    & skf21("4","7","6","4","7","2","7","1") = "6"
    & skf21("4","7","6","4","7","3","1","1") = "6"
    & skf21("4","7","6","4","7","3","2","1") = "6"
    & skf21("4","7","6","4","7","3","3","1") = "6"
    & skf21("4","7","6","4","7","3","4","1") = "6"
    & skf21("4","7","6","4","7","3","5","1") = "6"
    & skf21("4","7","6","4","7","3","6","1") = "6"
    & skf21("4","7","6","4","7","3","7","1") = "6"
    & skf21("4","7","6","4","7","4","1","1") = "6"
    & skf21("4","7","6","4","7","4","2","1") = "6"
    & skf21("4","7","6","4","7","4","3","1") = "6"
    & skf21("4","7","6","4","7","4","4","1") = "6"
    & skf21("4","7","6","4","7","4","5","1") = "6"
    & skf21("4","7","6","4","7","4","6","1") = "6"
    & skf21("4","7","6","4","7","4","7","1") = "6"
    & skf21("4","7","6","4","7","5","1","1") = "6"
    & skf21("4","7","6","4","7","5","2","1") = "6"
    & skf21("4","7","6","4","7","5","3","1") = "6"
    & skf21("4","7","6","4","7","5","4","1") = "6"
    & skf21("4","7","6","4","7","5","5","1") = "6"
    & skf21("4","7","6","4","7","5","6","1") = "6"
    & skf21("4","7","6","4","7","5","7","1") = "6"
    & skf21("4","7","6","4","7","6","1","1") = "6"
    & skf21("4","7","6","4","7","6","2","1") = "6"
    & skf21("4","7","6","4","7","6","3","1") = "6"
    & skf21("4","7","6","4","7","6","4","1") = "6"
    & skf21("4","7","6","4","7","6","5","1") = "6"
    & skf21("4","7","6","4","7","6","6","1") = "6"
    & skf21("4","7","6","4","7","6","7","1") = "6"
    & skf21("4","7","6","4","7","7","1","1") = "6"
    & skf21("4","7","6","4","7","7","2","1") = "6"
    & skf21("4","7","6","4","7","7","3","1") = "6"
    & skf21("4","7","6","4","7","7","4","1") = "6"
    & skf21("4","7","6","4","7","7","5","1") = "6"
    & skf21("4","7","6","4","7","7","6","1") = "6"
    & skf21("4","7","6","4","7","7","7","1") = "6"
    & skf21("4","7","6","5","1","1","1","1") = "6"
    & skf21("4","7","6","5","1","1","2","1") = "6"
    & skf21("4","7","6","5","1","1","3","1") = "6"
    & skf21("4","7","6","5","1","1","4","1") = "6"
    & skf21("4","7","6","5","1","1","5","1") = "6"
    & skf21("4","7","6","5","1","1","6","1") = "6"
    & skf21("4","7","6","5","1","1","7","1") = "6"
    & skf21("4","7","6","5","1","2","1","1") = "6"
    & skf21("4","7","6","5","1","2","2","1") = "6"
    & skf21("4","7","6","5","1","2","3","1") = "6"
    & skf21("4","7","6","5","1","2","4","1") = "6"
    & skf21("4","7","6","5","1","2","5","1") = "6"
    & skf21("4","7","6","5","1","2","6","1") = "6"
    & skf21("4","7","6","5","1","2","7","1") = "6"
    & skf21("4","7","6","5","1","3","1","1") = "6"
    & skf21("4","7","6","5","1","3","2","1") = "6"
    & skf21("4","7","6","5","1","3","3","1") = "6"
    & skf21("4","7","6","5","1","3","4","1") = "6"
    & skf21("4","7","6","5","1","3","5","1") = "6"
    & skf21("4","7","6","5","1","3","6","1") = "6"
    & skf21("4","7","6","5","1","3","7","1") = "6"
    & skf21("4","7","6","5","1","4","1","1") = "6"
    & skf21("4","7","6","5","1","4","2","1") = "6"
    & skf21("4","7","6","5","1","4","3","1") = "6"
    & skf21("4","7","6","5","1","4","4","1") = "6"
    & skf21("4","7","6","5","1","4","5","1") = "6"
    & skf21("4","7","6","5","1","4","6","1") = "6"
    & skf21("4","7","6","5","1","4","7","1") = "6"
    & skf21("4","7","6","5","1","5","1","1") = "6"
    & skf21("4","7","6","5","1","5","2","1") = "6"
    & skf21("4","7","6","5","1","5","3","1") = "6"
    & skf21("4","7","6","5","1","5","4","1") = "6"
    & skf21("4","7","6","5","1","5","5","1") = "6"
    & skf21("4","7","6","5","1","5","6","1") = "6"
    & skf21("4","7","6","5","1","5","7","1") = "6"
    & skf21("4","7","6","5","1","6","1","1") = "6"
    & skf21("4","7","6","5","1","6","2","1") = "6"
    & skf21("4","7","6","5","1","6","3","1") = "6"
    & skf21("4","7","6","5","1","6","4","1") = "6"
    & skf21("4","7","6","5","1","6","5","1") = "6"
    & skf21("4","7","6","5","1","6","6","1") = "6"
    & skf21("4","7","6","5","1","6","7","1") = "6"
    & skf21("4","7","6","5","1","7","1","1") = "6"
    & skf21("4","7","6","5","1","7","2","1") = "6"
    & skf21("4","7","6","5","1","7","3","1") = "6"
    & skf21("4","7","6","5","1","7","4","1") = "6"
    & skf21("4","7","6","5","1","7","5","1") = "6"
    & skf21("4","7","6","5","1","7","6","1") = "6"
    & skf21("4","7","6","5","1","7","7","1") = "6"
    & skf21("4","7","6","5","2","1","1","1") = "6"
    & skf21("4","7","6","5","2","1","2","1") = "6"
    & skf21("4","7","6","5","2","1","3","1") = "6"
    & skf21("4","7","6","5","2","1","4","1") = "6"
    & skf21("4","7","6","5","2","1","5","1") = "6"
    & skf21("4","7","6","5","2","1","6","1") = "6"
    & skf21("4","7","6","5","2","1","7","1") = "6"
    & skf21("4","7","6","5","2","2","1","1") = "6"
    & skf21("4","7","6","5","2","2","2","1") = "6"
    & skf21("4","7","6","5","2","2","3","1") = "6"
    & skf21("4","7","6","5","2","2","4","1") = "6"
    & skf21("4","7","6","5","2","2","5","1") = "6"
    & skf21("4","7","6","5","2","2","6","1") = "6"
    & skf21("4","7","6","5","2","2","7","1") = "6"
    & skf21("4","7","6","5","2","3","1","1") = "6"
    & skf21("4","7","6","5","2","3","2","1") = "6"
    & skf21("4","7","6","5","2","3","3","1") = "6"
    & skf21("4","7","6","5","2","3","4","1") = "6"
    & skf21("4","7","6","5","2","3","5","1") = "6"
    & skf21("4","7","6","5","2","3","6","1") = "6"
    & skf21("4","7","6","5","2","3","7","1") = "6"
    & skf21("4","7","6","5","2","4","1","1") = "6"
    & skf21("4","7","6","5","2","4","2","1") = "6"
    & skf21("4","7","6","5","2","4","3","1") = "6"
    & skf21("4","7","6","5","2","4","4","1") = "6"
    & skf21("4","7","6","5","2","4","5","1") = "6"
    & skf21("4","7","6","5","2","4","6","1") = "6"
    & skf21("4","7","6","5","2","4","7","1") = "6"
    & skf21("4","7","6","5","2","5","1","1") = "6"
    & skf21("4","7","6","5","2","5","2","1") = "6"
    & skf21("4","7","6","5","2","5","3","1") = "6"
    & skf21("4","7","6","5","2","5","4","1") = "6"
    & skf21("4","7","6","5","2","5","5","1") = "6"
    & skf21("4","7","6","5","2","5","6","1") = "6"
    & skf21("4","7","6","5","2","5","7","1") = "6"
    & skf21("4","7","6","5","2","6","1","1") = "6"
    & skf21("4","7","6","5","2","6","2","1") = "6"
    & skf21("4","7","6","5","2","6","3","1") = "6"
    & skf21("4","7","6","5","2","6","4","1") = "6"
    & skf21("4","7","6","5","2","6","5","1") = "6"
    & skf21("4","7","6","5","2","6","6","1") = "6"
    & skf21("4","7","6","5","2","6","7","1") = "6"
    & skf21("4","7","6","5","2","7","1","1") = "6"
    & skf21("4","7","6","5","2","7","2","1") = "6"
    & skf21("4","7","6","5","2","7","3","1") = "6"
    & skf21("4","7","6","5","2","7","4","1") = "6"
    & skf21("4","7","6","5","2","7","5","1") = "6"
    & skf21("4","7","6","5","2","7","6","1") = "6"
    & skf21("4","7","6","5","2","7","7","1") = "6"
    & skf21("4","7","6","5","3","1","1","1") = "6"
    & skf21("4","7","6","5","3","1","2","1") = "6"
    & skf21("4","7","6","5","3","1","3","1") = "6"
    & skf21("4","7","6","5","3","1","4","1") = "6"
    & skf21("4","7","6","5","3","1","5","1") = "6"
    & skf21("4","7","6","5","3","1","6","1") = "6"
    & skf21("4","7","6","5","3","1","7","1") = "6"
    & skf21("4","7","6","5","3","2","1","1") = "6"
    & skf21("4","7","6","5","3","2","2","1") = "6"
    & skf21("4","7","6","5","3","2","3","1") = "6"
    & skf21("4","7","6","5","3","2","4","1") = "6"
    & skf21("4","7","6","5","3","2","5","1") = "6"
    & skf21("4","7","6","5","3","2","6","1") = "6"
    & skf21("4","7","6","5","3","2","7","1") = "6"
    & skf21("4","7","6","5","3","3","1","1") = "6"
    & skf21("4","7","6","5","3","3","2","1") = "6"
    & skf21("4","7","6","5","3","3","3","1") = "6"
    & skf21("4","7","6","5","3","3","4","1") = "6"
    & skf21("4","7","6","5","3","3","5","1") = "6"
    & skf21("4","7","6","5","3","3","6","1") = "6"
    & skf21("4","7","6","5","3","3","7","1") = "6"
    & skf21("4","7","6","5","3","4","1","1") = "6"
    & skf21("4","7","6","5","3","4","2","1") = "6"
    & skf21("4","7","6","5","3","4","3","1") = "6"
    & skf21("4","7","6","5","3","4","4","1") = "6"
    & skf21("4","7","6","5","3","4","5","1") = "6"
    & skf21("4","7","6","5","3","4","6","1") = "6"
    & skf21("4","7","6","5","3","4","7","1") = "6"
    & skf21("4","7","6","5","3","5","1","1") = "6"
    & skf21("4","7","6","5","3","5","2","1") = "6"
    & skf21("4","7","6","5","3","5","3","1") = "6"
    & skf21("4","7","6","5","3","5","4","1") = "6"
    & skf21("4","7","6","5","3","5","5","1") = "6"
    & skf21("4","7","6","5","3","5","6","1") = "6"
    & skf21("4","7","6","5","3","5","7","1") = "6"
    & skf21("4","7","6","5","3","6","1","1") = "6"
    & skf21("4","7","6","5","3","6","2","1") = "6"
    & skf21("4","7","6","5","3","6","3","1") = "6"
    & skf21("4","7","6","5","3","6","4","1") = "6"
    & skf21("4","7","6","5","3","6","5","1") = "6"
    & skf21("4","7","6","5","3","6","6","1") = "6"
    & skf21("4","7","6","5","3","6","7","1") = "6"
    & skf21("4","7","6","5","3","7","1","1") = "6"
    & skf21("4","7","6","5","3","7","2","1") = "6"
    & skf21("4","7","6","5","3","7","3","1") = "6"
    & skf21("4","7","6","5","3","7","4","1") = "6"
    & skf21("4","7","6","5","3","7","5","1") = "6"
    & skf21("4","7","6","5","3","7","6","1") = "6"
    & skf21("4","7","6","5","3","7","7","1") = "6"
    & skf21("4","7","6","5","4","1","1","1") = "6"
    & skf21("4","7","6","5","4","1","2","1") = "6"
    & skf21("4","7","6","5","4","1","3","1") = "6"
    & skf21("4","7","6","5","4","1","4","1") = "6"
    & skf21("4","7","6","5","4","1","5","1") = "6"
    & skf21("4","7","6","5","4","1","6","1") = "6"
    & skf21("4","7","6","5","4","1","7","1") = "6"
    & skf21("4","7","6","5","4","2","1","1") = "6"
    & skf21("4","7","6","5","4","2","2","1") = "6"
    & skf21("4","7","6","5","4","2","3","1") = "6"
    & skf21("4","7","6","5","4","2","4","1") = "6"
    & skf21("4","7","6","5","4","2","5","1") = "6"
    & skf21("4","7","6","5","4","2","6","1") = "6"
    & skf21("4","7","6","5","4","2","7","1") = "6"
    & skf21("4","7","6","5","4","3","1","1") = "6"
    & skf21("4","7","6","5","4","3","2","1") = "6"
    & skf21("4","7","6","5","4","3","3","1") = "6"
    & skf21("4","7","6","5","4","3","4","1") = "6"
    & skf21("4","7","6","5","4","3","5","1") = "6"
    & skf21("4","7","6","5","4","3","6","1") = "6"
    & skf21("4","7","6","5","4","3","7","1") = "6"
    & skf21("4","7","6","5","4","4","1","1") = "6"
    & skf21("4","7","6","5","4","4","2","1") = "6"
    & skf21("4","7","6","5","4","4","3","1") = "6"
    & skf21("4","7","6","5","4","4","4","1") = "6"
    & skf21("4","7","6","5","4","4","5","1") = "6"
    & skf21("4","7","6","5","4","4","6","1") = "6"
    & skf21("4","7","6","5","4","4","7","1") = "6"
    & skf21("4","7","6","5","4","5","1","1") = "6"
    & skf21("4","7","6","5","4","5","2","1") = "6"
    & skf21("4","7","6","5","4","5","3","1") = "6"
    & skf21("4","7","6","5","4","5","4","1") = "6"
    & skf21("4","7","6","5","4","5","5","1") = "6"
    & skf21("4","7","6","5","4","5","6","1") = "6"
    & skf21("4","7","6","5","4","5","7","1") = "6"
    & skf21("4","7","6","5","4","6","1","1") = "6"
    & skf21("4","7","6","5","4","6","2","1") = "6"
    & skf21("4","7","6","5","4","6","3","1") = "6"
    & skf21("4","7","6","5","4","6","4","1") = "6"
    & skf21("4","7","6","5","4","6","5","1") = "6"
    & skf21("4","7","6","5","4","6","6","1") = "6"
    & skf21("4","7","6","5","4","6","7","1") = "6"
    & skf21("4","7","6","5","4","7","1","1") = "6"
    & skf21("4","7","6","5","4","7","2","1") = "6"
    & skf21("4","7","6","5","4","7","3","1") = "6"
    & skf21("4","7","6","5","4","7","4","1") = "6"
    & skf21("4","7","6","5","4","7","5","1") = "6"
    & skf21("4","7","6","5","4","7","6","1") = "6"
    & skf21("4","7","6","5","4","7","7","1") = "6"
    & skf21("4","7","6","5","5","1","1","1") = "6"
    & skf21("4","7","6","5","5","1","2","1") = "6"
    & skf21("4","7","6","5","5","1","3","1") = "6"
    & skf21("4","7","6","5","5","1","4","1") = "6"
    & skf21("4","7","6","5","5","1","5","1") = "6"
    & skf21("4","7","6","5","5","1","6","1") = "6"
    & skf21("4","7","6","5","5","1","7","1") = "6"
    & skf21("4","7","6","5","5","2","1","1") = "6"
    & skf21("4","7","6","5","5","2","2","1") = "6"
    & skf21("4","7","6","5","5","2","3","1") = "6"
    & skf21("4","7","6","5","5","2","4","1") = "6"
    & skf21("4","7","6","5","5","2","5","1") = "6"
    & skf21("4","7","6","5","5","2","6","1") = "6"
    & skf21("4","7","6","5","5","2","7","1") = "6"
    & skf21("4","7","6","5","5","3","1","1") = "6"
    & skf21("4","7","6","5","5","3","2","1") = "6"
    & skf21("4","7","6","5","5","3","3","1") = "6"
    & skf21("4","7","6","5","5","3","4","1") = "6"
    & skf21("4","7","6","5","5","3","5","1") = "6"
    & skf21("4","7","6","5","5","3","6","1") = "6"
    & skf21("4","7","6","5","5","3","7","1") = "6"
    & skf21("4","7","6","5","5","4","1","1") = "6"
    & skf21("4","7","6","5","5","4","2","1") = "6"
    & skf21("4","7","6","5","5","4","3","1") = "6"
    & skf21("4","7","6","5","5","4","4","1") = "6"
    & skf21("4","7","6","5","5","4","5","1") = "6"
    & skf21("4","7","6","5","5","4","6","1") = "6"
    & skf21("4","7","6","5","5","4","7","1") = "6"
    & skf21("4","7","6","5","5","5","1","1") = "6"
    & skf21("4","7","6","5","5","5","2","1") = "6"
    & skf21("4","7","6","5","5","5","3","1") = "6"
    & skf21("4","7","6","5","5","5","4","1") = "6"
    & skf21("4","7","6","5","5","5","5","1") = "6"
    & skf21("4","7","6","5","5","5","6","1") = "6"
    & skf21("4","7","6","5","5","5","7","1") = "6"
    & skf21("4","7","6","5","5","6","1","1") = "6"
    & skf21("4","7","6","5","5","6","2","1") = "6"
    & skf21("4","7","6","5","5","6","3","1") = "6"
    & skf21("4","7","6","5","5","6","4","1") = "6"
    & skf21("4","7","6","5","5","6","5","1") = "6"
    & skf21("4","7","6","5","5","6","6","1") = "6"
    & skf21("4","7","6","5","5","6","7","1") = "6"
    & skf21("4","7","6","5","5","7","1","1") = "6"
    & skf21("4","7","6","5","5","7","2","1") = "6"
    & skf21("4","7","6","5","5","7","3","1") = "6"
    & skf21("4","7","6","5","5","7","4","1") = "6"
    & skf21("4","7","6","5","5","7","5","1") = "6"
    & skf21("4","7","6","5","5","7","6","1") = "6"
    & skf21("4","7","6","5","5","7","7","1") = "6"
    & skf21("4","7","6","5","6","1","1","1") = "6"
    & skf21("4","7","6","5","6","1","2","1") = "6"
    & skf21("4","7","6","5","6","1","3","1") = "6"
    & skf21("4","7","6","5","6","1","4","1") = "6"
    & skf21("4","7","6","5","6","1","5","1") = "6"
    & skf21("4","7","6","5","6","1","6","1") = "6"
    & skf21("4","7","6","5","6","1","7","1") = "6"
    & skf21("4","7","6","5","6","2","1","1") = "6"
    & skf21("4","7","6","5","6","2","2","1") = "6"
    & skf21("4","7","6","5","6","2","3","1") = "6"
    & skf21("4","7","6","5","6","2","4","1") = "6"
    & skf21("4","7","6","5","6","2","5","1") = "6"
    & skf21("4","7","6","5","6","2","6","1") = "6"
    & skf21("4","7","6","5","6","2","7","1") = "6"
    & skf21("4","7","6","5","6","3","1","1") = "6"
    & skf21("4","7","6","5","6","3","2","1") = "6"
    & skf21("4","7","6","5","6","3","3","1") = "6"
    & skf21("4","7","6","5","6","3","4","1") = "6"
    & skf21("4","7","6","5","6","3","5","1") = "6"
    & skf21("4","7","6","5","6","3","6","1") = "6"
    & skf21("4","7","6","5","6","3","7","1") = "6"
    & skf21("4","7","6","5","6","4","1","1") = "6"
    & skf21("4","7","6","5","6","4","2","1") = "6"
    & skf21("4","7","6","5","6","4","3","1") = "6"
    & skf21("4","7","6","5","6","4","4","1") = "6"
    & skf21("4","7","6","5","6","4","5","1") = "6"
    & skf21("4","7","6","5","6","4","6","1") = "6"
    & skf21("4","7","6","5","6","4","7","1") = "6"
    & skf21("4","7","6","5","6","5","1","1") = "6"
    & skf21("4","7","6","5","6","5","2","1") = "6"
    & skf21("4","7","6","5","6","5","3","1") = "6"
    & skf21("4","7","6","5","6","5","4","1") = "6"
    & skf21("4","7","6","5","6","5","5","1") = "6"
    & skf21("4","7","6","5","6","5","6","1") = "6"
    & skf21("4","7","6","5","6","5","7","1") = "6"
    & skf21("4","7","6","5","6","6","1","1") = "6"
    & skf21("4","7","6","5","6","6","2","1") = "6"
    & skf21("4","7","6","5","6","6","3","1") = "6"
    & skf21("4","7","6","5","6","6","4","1") = "6"
    & skf21("4","7","6","5","6","6","5","1") = "6"
    & skf21("4","7","6","5","6","6","6","1") = "6"
    & skf21("4","7","6","5","6","6","7","1") = "6"
    & skf21("4","7","6","5","6","7","1","1") = "6"
    & skf21("4","7","6","5","6","7","2","1") = "6"
    & skf21("4","7","6","5","6","7","3","1") = "6"
    & skf21("4","7","6","5","6","7","4","1") = "6"
    & skf21("4","7","6","5","6","7","5","1") = "6"
    & skf21("4","7","6","5","6","7","6","1") = "6"
    & skf21("4","7","6","5","6","7","7","1") = "6"
    & skf21("4","7","6","5","7","1","1","1") = "6"
    & skf21("4","7","6","5","7","1","2","1") = "6"
    & skf21("4","7","6","5","7","1","3","1") = "6"
    & skf21("4","7","6","5","7","1","4","1") = "6"
    & skf21("4","7","6","5","7","1","5","1") = "6"
    & skf21("4","7","6","5","7","1","6","1") = "6"
    & skf21("4","7","6","5","7","1","7","1") = "6"
    & skf21("4","7","6","5","7","2","1","1") = "6"
    & skf21("4","7","6","5","7","2","2","1") = "6"
    & skf21("4","7","6","5","7","2","3","1") = "6"
    & skf21("4","7","6","5","7","2","4","1") = "6"
    & skf21("4","7","6","5","7","2","5","1") = "6"
    & skf21("4","7","6","5","7","2","6","1") = "6"
    & skf21("4","7","6","5","7","2","7","1") = "6"
    & skf21("4","7","6","5","7","3","1","1") = "6"
    & skf21("4","7","6","5","7","3","2","1") = "6"
    & skf21("4","7","6","5","7","3","3","1") = "6"
    & skf21("4","7","6","5","7","3","4","1") = "6"
    & skf21("4","7","6","5","7","3","5","1") = "6"
    & skf21("4","7","6","5","7","3","6","1") = "6"
    & skf21("4","7","6","5","7","3","7","1") = "6"
    & skf21("4","7","6","5","7","4","1","1") = "6"
    & skf21("4","7","6","5","7","4","2","1") = "6"
    & skf21("4","7","6","5","7","4","3","1") = "6"
    & skf21("4","7","6","5","7","4","4","1") = "6"
    & skf21("4","7","6","5","7","4","5","1") = "6"
    & skf21("4","7","6","5","7","4","6","1") = "6"
    & skf21("4","7","6","5","7","4","7","1") = "6"
    & skf21("4","7","6","5","7","5","1","1") = "6"
    & skf21("4","7","6","5","7","5","2","1") = "6"
    & skf21("4","7","6","5","7","5","3","1") = "6"
    & skf21("4","7","6","5","7","5","4","1") = "6"
    & skf21("4","7","6","5","7","5","5","1") = "6"
    & skf21("4","7","6","5","7","5","6","1") = "6"
    & skf21("4","7","6","5","7","5","7","1") = "6"
    & skf21("4","7","6","5","7","6","1","1") = "6"
    & skf21("4","7","6","5","7","6","2","1") = "6"
    & skf21("4","7","6","5","7","6","3","1") = "6"
    & skf21("4","7","6","5","7","6","4","1") = "6"
    & skf21("4","7","6","5","7","6","5","1") = "6"
    & skf21("4","7","6","5","7","6","6","1") = "6"
    & skf21("4","7","6","5","7","6","7","1") = "6"
    & skf21("4","7","6","5","7","7","1","1") = "6"
    & skf21("4","7","6","5","7","7","2","1") = "6"
    & skf21("4","7","6","5","7","7","3","1") = "6"
    & skf21("4","7","6","5","7","7","4","1") = "6"
    & skf21("4","7","6","5","7","7","5","1") = "6"
    & skf21("4","7","6","5","7","7","6","1") = "6"
    & skf21("4","7","6","5","7","7","7","1") = "6"
    & skf21("4","7","6","6","1","1","1","1") = "6"
    & skf21("4","7","6","6","1","1","2","1") = "6"
    & skf21("4","7","6","6","1","1","3","1") = "6"
    & skf21("4","7","6","6","1","1","4","1") = "6"
    & skf21("4","7","6","6","1","1","5","1") = "6"
    & skf21("4","7","6","6","1","1","6","1") = "6"
    & skf21("4","7","6","6","1","1","7","1") = "6"
    & skf21("4","7","6","6","1","2","1","1") = "6"
    & skf21("4","7","6","6","1","2","2","1") = "6"
    & skf21("4","7","6","6","1","2","3","1") = "6"
    & skf21("4","7","6","6","1","2","4","1") = "6"
    & skf21("4","7","6","6","1","2","5","1") = "6"
    & skf21("4","7","6","6","1","2","6","1") = "6"
    & skf21("4","7","6","6","1","2","7","1") = "6"
    & skf21("4","7","6","6","1","3","1","1") = "6"
    & skf21("4","7","6","6","1","3","2","1") = "6"
    & skf21("4","7","6","6","1","3","3","1") = "6"
    & skf21("4","7","6","6","1","3","4","1") = "6"
    & skf21("4","7","6","6","1","3","5","1") = "6"
    & skf21("4","7","6","6","1","3","6","1") = "6"
    & skf21("4","7","6","6","1","3","7","1") = "6"
    & skf21("4","7","6","6","1","4","1","1") = "6"
    & skf21("4","7","6","6","1","4","2","1") = "6"
    & skf21("4","7","6","6","1","4","3","1") = "6"
    & skf21("4","7","6","6","1","4","4","1") = "6"
    & skf21("4","7","6","6","1","4","5","1") = "6"
    & skf21("4","7","6","6","1","4","6","1") = "6"
    & skf21("4","7","6","6","1","4","7","1") = "6"
    & skf21("4","7","6","6","1","5","1","1") = "6"
    & skf21("4","7","6","6","1","5","2","1") = "6"
    & skf21("4","7","6","6","1","5","3","1") = "6"
    & skf21("4","7","6","6","1","5","4","1") = "6"
    & skf21("4","7","6","6","1","5","5","1") = "6"
    & skf21("4","7","6","6","1","5","6","1") = "6"
    & skf21("4","7","6","6","1","5","7","1") = "6"
    & skf21("4","7","6","6","1","6","1","1") = "6"
    & skf21("4","7","6","6","1","6","2","1") = "6"
    & skf21("4","7","6","6","1","6","3","1") = "6"
    & skf21("4","7","6","6","1","6","4","1") = "6"
    & skf21("4","7","6","6","1","6","5","1") = "6"
    & skf21("4","7","6","6","1","6","6","1") = "6"
    & skf21("4","7","6","6","1","6","7","1") = "6"
    & skf21("4","7","6","6","1","7","1","1") = "6"
    & skf21("4","7","6","6","1","7","2","1") = "6"
    & skf21("4","7","6","6","1","7","3","1") = "6"
    & skf21("4","7","6","6","1","7","4","1") = "6"
    & skf21("4","7","6","6","1","7","5","1") = "6"
    & skf21("4","7","6","6","1","7","6","1") = "6"
    & skf21("4","7","6","6","1","7","7","1") = "6"
    & skf21("4","7","6","6","2","1","1","1") = "6"
    & skf21("4","7","6","6","2","1","2","1") = "6"
    & skf21("4","7","6","6","2","1","3","1") = "6"
    & skf21("4","7","6","6","2","1","4","1") = "6"
    & skf21("4","7","6","6","2","1","5","1") = "6"
    & skf21("4","7","6","6","2","1","6","1") = "6"
    & skf21("4","7","6","6","2","1","7","1") = "6"
    & skf21("4","7","6","6","2","2","1","1") = "6"
    & skf21("4","7","6","6","2","2","2","1") = "6"
    & skf21("4","7","6","6","2","2","3","1") = "6"
    & skf21("4","7","6","6","2","2","4","1") = "6"
    & skf21("4","7","6","6","2","2","5","1") = "6"
    & skf21("4","7","6","6","2","2","6","1") = "6"
    & skf21("4","7","6","6","2","2","7","1") = "6"
    & skf21("4","7","6","6","2","3","1","1") = "6"
    & skf21("4","7","6","6","2","3","2","1") = "6"
    & skf21("4","7","6","6","2","3","3","1") = "6"
    & skf21("4","7","6","6","2","3","4","1") = "6"
    & skf21("4","7","6","6","2","3","5","1") = "6"
    & skf21("4","7","6","6","2","3","6","1") = "6"
    & skf21("4","7","6","6","2","3","7","1") = "6"
    & skf21("4","7","6","6","2","4","1","1") = "6"
    & skf21("4","7","6","6","2","4","2","1") = "6"
    & skf21("4","7","6","6","2","4","3","1") = "6"
    & skf21("4","7","6","6","2","4","4","1") = "6"
    & skf21("4","7","6","6","2","4","5","1") = "6"
    & skf21("4","7","6","6","2","4","6","1") = "6"
    & skf21("4","7","6","6","2","4","7","1") = "6"
    & skf21("4","7","6","6","2","5","1","1") = "6"
    & skf21("4","7","6","6","2","5","2","1") = "6"
    & skf21("4","7","6","6","2","5","3","1") = "6"
    & skf21("4","7","6","6","2","5","4","1") = "6"
    & skf21("4","7","6","6","2","5","5","1") = "6"
    & skf21("4","7","6","6","2","5","6","1") = "6"
    & skf21("4","7","6","6","2","5","7","1") = "6"
    & skf21("4","7","6","6","2","6","1","1") = "6"
    & skf21("4","7","6","6","2","6","2","1") = "6"
    & skf21("4","7","6","6","2","6","3","1") = "6"
    & skf21("4","7","6","6","2","6","4","1") = "6"
    & skf21("4","7","6","6","2","6","5","1") = "6"
    & skf21("4","7","6","6","2","6","6","1") = "6"
    & skf21("4","7","6","6","2","6","7","1") = "6"
    & skf21("4","7","6","6","2","7","1","1") = "6"
    & skf21("4","7","6","6","2","7","2","1") = "6"
    & skf21("4","7","6","6","2","7","3","1") = "6"
    & skf21("4","7","6","6","2","7","4","1") = "6"
    & skf21("4","7","6","6","2","7","5","1") = "6"
    & skf21("4","7","6","6","2","7","6","1") = "6"
    & skf21("4","7","6","6","2","7","7","1") = "6"
    & skf21("4","7","6","6","3","1","1","1") = "6"
    & skf21("4","7","6","6","3","1","2","1") = "6"
    & skf21("4","7","6","6","3","1","3","1") = "6"
    & skf21("4","7","6","6","3","1","4","1") = "6"
    & skf21("4","7","6","6","3","1","5","1") = "6"
    & skf21("4","7","6","6","3","1","6","1") = "6"
    & skf21("4","7","6","6","3","1","7","1") = "6"
    & skf21("4","7","6","6","3","2","1","1") = "6"
    & skf21("4","7","6","6","3","2","2","1") = "6"
    & skf21("4","7","6","6","3","2","3","1") = "6"
    & skf21("4","7","6","6","3","2","4","1") = "6"
    & skf21("4","7","6","6","3","2","5","1") = "6"
    & skf21("4","7","6","6","3","2","6","1") = "6"
    & skf21("4","7","6","6","3","2","7","1") = "6"
    & skf21("4","7","6","6","3","3","1","1") = "6"
    & skf21("4","7","6","6","3","3","2","1") = "6"
    & skf21("4","7","6","6","3","3","3","1") = "6"
    & skf21("4","7","6","6","3","3","4","1") = "6"
    & skf21("4","7","6","6","3","3","5","1") = "6"
    & skf21("4","7","6","6","3","3","6","1") = "6"
    & skf21("4","7","6","6","3","3","7","1") = "6"
    & skf21("4","7","6","6","3","4","1","1") = "6"
    & skf21("4","7","6","6","3","4","2","1") = "6"
    & skf21("4","7","6","6","3","4","3","1") = "6"
    & skf21("4","7","6","6","3","4","4","1") = "6"
    & skf21("4","7","6","6","3","4","5","1") = "6"
    & skf21("4","7","6","6","3","4","6","1") = "6"
    & skf21("4","7","6","6","3","4","7","1") = "6"
    & skf21("4","7","6","6","3","5","1","1") = "6"
    & skf21("4","7","6","6","3","5","2","1") = "6"
    & skf21("4","7","6","6","3","5","3","1") = "6"
    & skf21("4","7","6","6","3","5","4","1") = "6"
    & skf21("4","7","6","6","3","5","5","1") = "6"
    & skf21("4","7","6","6","3","5","6","1") = "6"
    & skf21("4","7","6","6","3","5","7","1") = "6"
    & skf21("4","7","6","6","3","6","1","1") = "6"
    & skf21("4","7","6","6","3","6","2","1") = "6"
    & skf21("4","7","6","6","3","6","3","1") = "6"
    & skf21("4","7","6","6","3","6","4","1") = "6"
    & skf21("4","7","6","6","3","6","5","1") = "6"
    & skf21("4","7","6","6","3","6","6","1") = "6"
    & skf21("4","7","6","6","3","6","7","1") = "6"
    & skf21("4","7","6","6","3","7","1","1") = "6"
    & skf21("4","7","6","6","3","7","2","1") = "6"
    & skf21("4","7","6","6","3","7","3","1") = "6"
    & skf21("4","7","6","6","3","7","4","1") = "6"
    & skf21("4","7","6","6","3","7","5","1") = "6"
    & skf21("4","7","6","6","3","7","6","1") = "6"
    & skf21("4","7","6","6","3","7","7","1") = "6"
    & skf21("4","7","6","6","4","1","1","1") = "6"
    & skf21("4","7","6","6","4","1","2","1") = "6"
    & skf21("4","7","6","6","4","1","3","1") = "6"
    & skf21("4","7","6","6","4","1","4","1") = "6"
    & skf21("4","7","6","6","4","1","5","1") = "6"
    & skf21("4","7","6","6","4","1","6","1") = "6"
    & skf21("4","7","6","6","4","1","7","1") = "6"
    & skf21("4","7","6","6","4","2","1","1") = "6"
    & skf21("4","7","6","6","4","2","2","1") = "6"
    & skf21("4","7","6","6","4","2","3","1") = "6"
    & skf21("4","7","6","6","4","2","4","1") = "6"
    & skf21("4","7","6","6","4","2","5","1") = "6"
    & skf21("4","7","6","6","4","2","6","1") = "6"
    & skf21("4","7","6","6","4","2","7","1") = "6"
    & skf21("4","7","6","6","4","3","1","1") = "6"
    & skf21("4","7","6","6","4","3","2","1") = "6"
    & skf21("4","7","6","6","4","3","3","1") = "6"
    & skf21("4","7","6","6","4","3","4","1") = "6"
    & skf21("4","7","6","6","4","3","5","1") = "6"
    & skf21("4","7","6","6","4","3","6","1") = "6"
    & skf21("4","7","6","6","4","3","7","1") = "6"
    & skf21("4","7","6","6","4","4","1","1") = "6"
    & skf21("4","7","6","6","4","4","2","1") = "6"
    & skf21("4","7","6","6","4","4","3","1") = "6"
    & skf21("4","7","6","6","4","4","4","1") = "6"
    & skf21("4","7","6","6","4","4","5","1") = "6"
    & skf21("4","7","6","6","4","4","6","1") = "6"
    & skf21("4","7","6","6","4","4","7","1") = "6"
    & skf21("4","7","6","6","4","5","1","1") = "6"
    & skf21("4","7","6","6","4","5","2","1") = "6"
    & skf21("4","7","6","6","4","5","3","1") = "6"
    & skf21("4","7","6","6","4","5","4","1") = "6"
    & skf21("4","7","6","6","4","5","5","1") = "6"
    & skf21("4","7","6","6","4","5","6","1") = "6"
    & skf21("4","7","6","6","4","5","7","1") = "6"
    & skf21("4","7","6","6","4","6","1","1") = "6"
    & skf21("4","7","6","6","4","6","2","1") = "6"
    & skf21("4","7","6","6","4","6","3","1") = "6"
    & skf21("4","7","6","6","4","6","4","1") = "6"
    & skf21("4","7","6","6","4","6","5","1") = "6"
    & skf21("4","7","6","6","4","6","6","1") = "6"
    & skf21("4","7","6","6","4","6","7","1") = "6"
    & skf21("4","7","6","6","4","7","1","1") = "6"
    & skf21("4","7","6","6","4","7","2","1") = "6"
    & skf21("4","7","6","6","4","7","3","1") = "6"
    & skf21("4","7","6","6","4","7","4","1") = "6"
    & skf21("4","7","6","6","4","7","5","1") = "6"
    & skf21("4","7","6","6","4","7","6","1") = "6"
    & skf21("4","7","6","6","4","7","7","1") = "6"
    & skf21("4","7","6","6","5","1","1","1") = "6"
    & skf21("4","7","6","6","5","1","2","1") = "6"
    & skf21("4","7","6","6","5","1","3","1") = "6"
    & skf21("4","7","6","6","5","1","4","1") = "6"
    & skf21("4","7","6","6","5","1","5","1") = "6"
    & skf21("4","7","6","6","5","1","6","1") = "6"
    & skf21("4","7","6","6","5","1","7","1") = "6"
    & skf21("4","7","6","6","5","2","1","1") = "6"
    & skf21("4","7","6","6","5","2","2","1") = "6"
    & skf21("4","7","6","6","5","2","3","1") = "6"
    & skf21("4","7","6","6","5","2","4","1") = "6"
    & skf21("4","7","6","6","5","2","5","1") = "6"
    & skf21("4","7","6","6","5","2","6","1") = "6"
    & skf21("4","7","6","6","5","2","7","1") = "6"
    & skf21("4","7","6","6","5","3","1","1") = "6"
    & skf21("4","7","6","6","5","3","2","1") = "6"
    & skf21("4","7","6","6","5","3","3","1") = "6"
    & skf21("4","7","6","6","5","3","4","1") = "6"
    & skf21("4","7","6","6","5","3","5","1") = "6"
    & skf21("4","7","6","6","5","3","6","1") = "6"
    & skf21("4","7","6","6","5","3","7","1") = "6"
    & skf21("4","7","6","6","5","4","1","1") = "6"
    & skf21("4","7","6","6","5","4","2","1") = "6"
    & skf21("4","7","6","6","5","4","3","1") = "6"
    & skf21("4","7","6","6","5","4","4","1") = "6"
    & skf21("4","7","6","6","5","4","5","1") = "6"
    & skf21("4","7","6","6","5","4","6","1") = "6"
    & skf21("4","7","6","6","5","4","7","1") = "6"
    & skf21("4","7","6","6","5","5","1","1") = "6"
    & skf21("4","7","6","6","5","5","2","1") = "6"
    & skf21("4","7","6","6","5","5","3","1") = "6"
    & skf21("4","7","6","6","5","5","4","1") = "6"
    & skf21("4","7","6","6","5","5","5","1") = "6"
    & skf21("4","7","6","6","5","5","6","1") = "6"
    & skf21("4","7","6","6","5","5","7","1") = "6"
    & skf21("4","7","6","6","5","6","1","1") = "6"
    & skf21("4","7","6","6","5","6","2","1") = "6"
    & skf21("4","7","6","6","5","6","3","1") = "6"
    & skf21("4","7","6","6","5","6","4","1") = "6"
    & skf21("4","7","6","6","5","6","5","1") = "6"
    & skf21("4","7","6","6","5","6","6","1") = "6"
    & skf21("4","7","6","6","5","6","7","1") = "6"
    & skf21("4","7","6","6","5","7","1","1") = "6"
    & skf21("4","7","6","6","5","7","2","1") = "6"
    & skf21("4","7","6","6","5","7","3","1") = "6"
    & skf21("4","7","6","6","5","7","4","1") = "6"
    & skf21("4","7","6","6","5","7","5","1") = "6"
    & skf21("4","7","6","6","5","7","6","1") = "6"
    & skf21("4","7","6","6","5","7","7","1") = "6"
    & skf21("4","7","6","6","6","1","1","1") = "6"
    & skf21("4","7","6","6","6","1","2","1") = "6"
    & skf21("4","7","6","6","6","1","3","1") = "6"
    & skf21("4","7","6","6","6","1","4","1") = "6"
    & skf21("4","7","6","6","6","1","5","1") = "6"
    & skf21("4","7","6","6","6","1","6","1") = "6"
    & skf21("4","7","6","6","6","1","7","1") = "6"
    & skf21("4","7","6","6","6","2","1","1") = "6"
    & skf21("4","7","6","6","6","2","2","1") = "6"
    & skf21("4","7","6","6","6","2","3","1") = "6"
    & skf21("4","7","6","6","6","2","4","1") = "6"
    & skf21("4","7","6","6","6","2","5","1") = "6"
    & skf21("4","7","6","6","6","2","6","1") = "6"
    & skf21("4","7","6","6","6","2","7","1") = "6"
    & skf21("4","7","6","6","6","3","1","1") = "6"
    & skf21("4","7","6","6","6","3","2","1") = "6"
    & skf21("4","7","6","6","6","3","3","1") = "6"
    & skf21("4","7","6","6","6","3","4","1") = "6"
    & skf21("4","7","6","6","6","3","5","1") = "6"
    & skf21("4","7","6","6","6","3","6","1") = "6"
    & skf21("4","7","6","6","6","3","7","1") = "6"
    & skf21("4","7","6","6","6","4","1","1") = "6"
    & skf21("4","7","6","6","6","4","2","1") = "6"
    & skf21("4","7","6","6","6","4","3","1") = "6"
    & skf21("4","7","6","6","6","4","4","1") = "6"
    & skf21("4","7","6","6","6","4","5","1") = "6"
    & skf21("4","7","6","6","6","4","6","1") = "6"
    & skf21("4","7","6","6","6","4","7","1") = "6"
    & skf21("4","7","6","6","6","5","1","1") = "6"
    & skf21("4","7","6","6","6","5","2","1") = "6"
    & skf21("4","7","6","6","6","5","3","1") = "6"
    & skf21("4","7","6","6","6","5","4","1") = "6"
    & skf21("4","7","6","6","6","5","5","1") = "6"
    & skf21("4","7","6","6","6","5","6","1") = "6"
    & skf21("4","7","6","6","6","5","7","1") = "6"
    & skf21("4","7","6","6","6","6","1","1") = "6"
    & skf21("4","7","6","6","6","6","2","1") = "6"
    & skf21("4","7","6","6","6","6","3","1") = "6"
    & skf21("4","7","6","6","6","6","4","1") = "6"
    & skf21("4","7","6","6","6","6","5","1") = "6"
    & skf21("4","7","6","6","6","6","6","1") = "6"
    & skf21("4","7","6","6","6","6","7","1") = "6"
    & skf21("4","7","6","6","6","7","1","1") = "6"
    & skf21("4","7","6","6","6","7","2","1") = "6"
    & skf21("4","7","6","6","6","7","3","1") = "6"
    & skf21("4","7","6","6","6","7","4","1") = "6"
    & skf21("4","7","6","6","6","7","5","1") = "6"
    & skf21("4","7","6","6","6","7","6","1") = "6"
    & skf21("4","7","6","6","6","7","7","1") = "6"
    & skf21("4","7","6","6","7","1","1","1") = "6"
    & skf21("4","7","6","6","7","1","2","1") = "6"
    & skf21("4","7","6","6","7","1","3","1") = "6"
    & skf21("4","7","6","6","7","1","4","1") = "6"
    & skf21("4","7","6","6","7","1","5","1") = "6"
    & skf21("4","7","6","6","7","1","6","1") = "6"
    & skf21("4","7","6","6","7","1","7","1") = "6"
    & skf21("4","7","6","6","7","2","1","1") = "6"
    & skf21("4","7","6","6","7","2","2","1") = "6"
    & skf21("4","7","6","6","7","2","3","1") = "6"
    & skf21("4","7","6","6","7","2","4","1") = "6"
    & skf21("4","7","6","6","7","2","5","1") = "6"
    & skf21("4","7","6","6","7","2","6","1") = "6"
    & skf21("4","7","6","6","7","2","7","1") = "6"
    & skf21("4","7","6","6","7","3","1","1") = "6"
    & skf21("4","7","6","6","7","3","2","1") = "6"
    & skf21("4","7","6","6","7","3","3","1") = "6"
    & skf21("4","7","6","6","7","3","4","1") = "6"
    & skf21("4","7","6","6","7","3","5","1") = "6"
    & skf21("4","7","6","6","7","3","6","1") = "6"
    & skf21("4","7","6","6","7","3","7","1") = "6"
    & skf21("4","7","6","6","7","4","1","1") = "6"
    & skf21("4","7","6","6","7","4","2","1") = "6"
    & skf21("4","7","6","6","7","4","3","1") = "6"
    & skf21("4","7","6","6","7","4","4","1") = "6"
    & skf21("4","7","6","6","7","4","5","1") = "6"
    & skf21("4","7","6","6","7","4","6","1") = "6"
    & skf21("4","7","6","6","7","4","7","1") = "6"
    & skf21("4","7","6","6","7","5","1","1") = "6"
    & skf21("4","7","6","6","7","5","2","1") = "6"
    & skf21("4","7","6","6","7","5","3","1") = "6"
    & skf21("4","7","6","6","7","5","4","1") = "6"
    & skf21("4","7","6","6","7","5","5","1") = "6"
    & skf21("4","7","6","6","7","5","6","1") = "6"
    & skf21("4","7","6","6","7","5","7","1") = "6"
    & skf21("4","7","6","6","7","6","1","1") = "6"
    & skf21("4","7","6","6","7","6","2","1") = "6"
    & skf21("4","7","6","6","7","6","3","1") = "6"
    & skf21("4","7","6","6","7","6","4","1") = "6"
    & skf21("4","7","6","6","7","6","5","1") = "6"
    & skf21("4","7","6","6","7","6","6","1") = "6"
    & skf21("4","7","6","6","7","6","7","1") = "6"
    & skf21("4","7","6","6","7","7","1","1") = "6"
    & skf21("4","7","6","6","7","7","2","1") = "6"
    & skf21("4","7","6","6","7","7","3","1") = "6"
    & skf21("4","7","6","6","7","7","4","1") = "6"
    & skf21("4","7","6","6","7","7","5","1") = "6"
    & skf21("4","7","6","6","7","7","6","1") = "6"
    & skf21("4","7","6","6","7","7","7","1") = "6"
    & skf21("4","7","6","7","1","1","1","1") = "6"
    & skf21("4","7","6","7","1","1","2","1") = "6"
    & skf21("4","7","6","7","1","1","3","1") = "6"
    & skf21("4","7","6","7","1","1","4","1") = "6"
    & skf21("4","7","6","7","1","1","5","1") = "6"
    & skf21("4","7","6","7","1","1","6","1") = "6"
    & skf21("4","7","6","7","1","1","7","1") = "6"
    & skf21("4","7","6","7","1","2","1","1") = "6"
    & skf21("4","7","6","7","1","2","2","1") = "6"
    & skf21("4","7","6","7","1","2","3","1") = "6"
    & skf21("4","7","6","7","1","2","4","1") = "6"
    & skf21("4","7","6","7","1","2","5","1") = "6"
    & skf21("4","7","6","7","1","2","6","1") = "6"
    & skf21("4","7","6","7","1","2","7","1") = "6"
    & skf21("4","7","6","7","1","3","1","1") = "6"
    & skf21("4","7","6","7","1","3","2","1") = "6"
    & skf21("4","7","6","7","1","3","3","1") = "6"
    & skf21("4","7","6","7","1","3","4","1") = "6"
    & skf21("4","7","6","7","1","3","5","1") = "6"
    & skf21("4","7","6","7","1","3","6","1") = "6"
    & skf21("4","7","6","7","1","3","7","1") = "6"
    & skf21("4","7","6","7","1","4","1","1") = "6"
    & skf21("4","7","6","7","1","4","2","1") = "6"
    & skf21("4","7","6","7","1","4","3","1") = "6"
    & skf21("4","7","6","7","1","4","4","1") = "6"
    & skf21("4","7","6","7","1","4","5","1") = "6"
    & skf21("4","7","6","7","1","4","6","1") = "6"
    & skf21("4","7","6","7","1","4","7","1") = "6"
    & skf21("4","7","6","7","1","5","1","1") = "6"
    & skf21("4","7","6","7","1","5","2","1") = "6"
    & skf21("4","7","6","7","1","5","3","1") = "6"
    & skf21("4","7","6","7","1","5","4","1") = "6"
    & skf21("4","7","6","7","1","5","5","1") = "6"
    & skf21("4","7","6","7","1","5","6","1") = "6"
    & skf21("4","7","6","7","1","5","7","1") = "6"
    & skf21("4","7","6","7","1","6","1","1") = "6"
    & skf21("4","7","6","7","1","6","2","1") = "6"
    & skf21("4","7","6","7","1","6","3","1") = "6"
    & skf21("4","7","6","7","1","6","4","1") = "6"
    & skf21("4","7","6","7","1","6","5","1") = "6"
    & skf21("4","7","6","7","1","6","6","1") = "6"
    & skf21("4","7","6","7","1","6","7","1") = "6"
    & skf21("4","7","6","7","1","7","1","1") = "6"
    & skf21("4","7","6","7","1","7","2","1") = "6"
    & skf21("4","7","6","7","1","7","3","1") = "6"
    & skf21("4","7","6","7","1","7","4","1") = "6"
    & skf21("4","7","6","7","1","7","5","1") = "6"
    & skf21("4","7","6","7","1","7","6","1") = "6"
    & skf21("4","7","6","7","1","7","7","1") = "6"
    & skf21("4","7","6","7","2","1","1","1") = "6"
    & skf21("4","7","6","7","2","1","2","1") = "6"
    & skf21("4","7","6","7","2","1","3","1") = "6"
    & skf21("4","7","6","7","2","1","4","1") = "6"
    & skf21("4","7","6","7","2","1","5","1") = "6"
    & skf21("4","7","6","7","2","1","6","1") = "6"
    & skf21("4","7","6","7","2","1","7","1") = "6"
    & skf21("4","7","6","7","2","2","1","1") = "6"
    & skf21("4","7","6","7","2","2","2","1") = "6"
    & skf21("4","7","6","7","2","2","3","1") = "6"
    & skf21("4","7","6","7","2","2","4","1") = "6"
    & skf21("4","7","6","7","2","2","5","1") = "6"
    & skf21("4","7","6","7","2","2","6","1") = "6"
    & skf21("4","7","6","7","2","2","7","1") = "6"
    & skf21("4","7","6","7","2","3","1","1") = "6"
    & skf21("4","7","6","7","2","3","2","1") = "6"
    & skf21("4","7","6","7","2","3","3","1") = "6"
    & skf21("4","7","6","7","2","3","4","1") = "6"
    & skf21("4","7","6","7","2","3","5","1") = "6"
    & skf21("4","7","6","7","2","3","6","1") = "6"
    & skf21("4","7","6","7","2","3","7","1") = "6"
    & skf21("4","7","6","7","2","4","1","1") = "6"
    & skf21("4","7","6","7","2","4","2","1") = "6"
    & skf21("4","7","6","7","2","4","3","1") = "6"
    & skf21("4","7","6","7","2","4","4","1") = "6"
    & skf21("4","7","6","7","2","4","5","1") = "6"
    & skf21("4","7","6","7","2","4","6","1") = "6"
    & skf21("4","7","6","7","2","4","7","1") = "6"
    & skf21("4","7","6","7","2","5","1","1") = "6"
    & skf21("4","7","6","7","2","5","2","1") = "6"
    & skf21("4","7","6","7","2","5","3","1") = "6"
    & skf21("4","7","6","7","2","5","4","1") = "6"
    & skf21("4","7","6","7","2","5","5","1") = "6"
    & skf21("4","7","6","7","2","5","6","1") = "6"
    & skf21("4","7","6","7","2","5","7","1") = "6"
    & skf21("4","7","6","7","2","6","1","1") = "6"
    & skf21("4","7","6","7","2","6","2","1") = "6"
    & skf21("4","7","6","7","2","6","3","1") = "6"
    & skf21("4","7","6","7","2","6","4","1") = "6"
    & skf21("4","7","6","7","2","6","5","1") = "6"
    & skf21("4","7","6","7","2","6","6","1") = "6"
    & skf21("4","7","6","7","2","6","7","1") = "6"
    & skf21("4","7","6","7","2","7","1","1") = "6"
    & skf21("4","7","6","7","2","7","2","1") = "6"
    & skf21("4","7","6","7","2","7","3","1") = "6"
    & skf21("4","7","6","7","2","7","4","1") = "6"
    & skf21("4","7","6","7","2","7","5","1") = "6"
    & skf21("4","7","6","7","2","7","6","1") = "6"
    & skf21("4","7","6","7","2","7","7","1") = "6"
    & skf21("4","7","6","7","3","1","1","1") = "6"
    & skf21("4","7","6","7","3","1","2","1") = "6"
    & skf21("4","7","6","7","3","1","3","1") = "6"
    & skf21("4","7","6","7","3","1","4","1") = "6"
    & skf21("4","7","6","7","3","1","5","1") = "6"
    & skf21("4","7","6","7","3","1","6","1") = "6"
    & skf21("4","7","6","7","3","1","7","1") = "6"
    & skf21("4","7","6","7","3","2","1","1") = "6"
    & skf21("4","7","6","7","3","2","2","1") = "6"
    & skf21("4","7","6","7","3","2","3","1") = "6"
    & skf21("4","7","6","7","3","2","4","1") = "6"
    & skf21("4","7","6","7","3","2","5","1") = "6"
    & skf21("4","7","6","7","3","2","6","1") = "6"
    & skf21("4","7","6","7","3","2","7","1") = "6"
    & skf21("4","7","6","7","3","3","1","1") = "6"
    & skf21("4","7","6","7","3","3","2","1") = "6"
    & skf21("4","7","6","7","3","3","3","1") = "6"
    & skf21("4","7","6","7","3","3","4","1") = "6"
    & skf21("4","7","6","7","3","3","5","1") = "6"
    & skf21("4","7","6","7","3","3","6","1") = "6"
    & skf21("4","7","6","7","3","3","7","1") = "6"
    & skf21("4","7","6","7","3","4","1","1") = "6"
    & skf21("4","7","6","7","3","4","2","1") = "6"
    & skf21("4","7","6","7","3","4","3","1") = "6"
    & skf21("4","7","6","7","3","4","4","1") = "6"
    & skf21("4","7","6","7","3","4","5","1") = "6"
    & skf21("4","7","6","7","3","4","6","1") = "6"
    & skf21("4","7","6","7","3","4","7","1") = "6"
    & skf21("4","7","6","7","3","5","1","1") = "6"
    & skf21("4","7","6","7","3","5","2","1") = "6"
    & skf21("4","7","6","7","3","5","3","1") = "6"
    & skf21("4","7","6","7","3","5","4","1") = "6"
    & skf21("4","7","6","7","3","5","5","1") = "6"
    & skf21("4","7","6","7","3","5","6","1") = "6"
    & skf21("4","7","6","7","3","5","7","1") = "6"
    & skf21("4","7","6","7","3","6","1","1") = "6"
    & skf21("4","7","6","7","3","6","2","1") = "6"
    & skf21("4","7","6","7","3","6","3","1") = "6"
    & skf21("4","7","6","7","3","6","4","1") = "6"
    & skf21("4","7","6","7","3","6","5","1") = "6"
    & skf21("4","7","6","7","3","6","6","1") = "6"
    & skf21("4","7","6","7","3","6","7","1") = "6"
    & skf21("4","7","6","7","3","7","1","1") = "6"
    & skf21("4","7","6","7","3","7","2","1") = "6"
    & skf21("4","7","6","7","3","7","3","1") = "6"
    & skf21("4","7","6","7","3","7","4","1") = "6"
    & skf21("4","7","6","7","3","7","5","1") = "6"
    & skf21("4","7","6","7","3","7","6","1") = "6"
    & skf21("4","7","6","7","3","7","7","1") = "6"
    & skf21("4","7","6","7","4","1","1","1") = "6"
    & skf21("4","7","6","7","4","1","2","1") = "6"
    & skf21("4","7","6","7","4","1","3","1") = "6"
    & skf21("4","7","6","7","4","1","4","1") = "6"
    & skf21("4","7","6","7","4","1","5","1") = "6"
    & skf21("4","7","6","7","4","1","6","1") = "6"
    & skf21("4","7","6","7","4","1","7","1") = "6"
    & skf21("4","7","6","7","4","2","1","1") = "6"
    & skf21("4","7","6","7","4","2","2","1") = "6"
    & skf21("4","7","6","7","4","2","3","1") = "6"
    & skf21("4","7","6","7","4","2","4","1") = "6"
    & skf21("4","7","6","7","4","2","5","1") = "6"
    & skf21("4","7","6","7","4","2","6","1") = "6"
    & skf21("4","7","6","7","4","2","7","1") = "6"
    & skf21("4","7","6","7","4","3","1","1") = "6"
    & skf21("4","7","6","7","4","3","2","1") = "6"
    & skf21("4","7","6","7","4","3","3","1") = "6"
    & skf21("4","7","6","7","4","3","4","1") = "6"
    & skf21("4","7","6","7","4","3","5","1") = "6"
    & skf21("4","7","6","7","4","3","6","1") = "6"
    & skf21("4","7","6","7","4","3","7","1") = "6"
    & skf21("4","7","6","7","4","4","1","1") = "6"
    & skf21("4","7","6","7","4","4","2","1") = "6"
    & skf21("4","7","6","7","4","4","3","1") = "6"
    & skf21("4","7","6","7","4","4","4","1") = "6"
    & skf21("4","7","6","7","4","4","5","1") = "6"
    & skf21("4","7","6","7","4","4","6","1") = "6"
    & skf21("4","7","6","7","4","4","7","1") = "6"
    & skf21("4","7","6","7","4","5","1","1") = "6"
    & skf21("4","7","6","7","4","5","2","1") = "6"
    & skf21("4","7","6","7","4","5","3","1") = "6"
    & skf21("4","7","6","7","4","5","4","1") = "6"
    & skf21("4","7","6","7","4","5","5","1") = "6"
    & skf21("4","7","6","7","4","5","6","1") = "6"
    & skf21("4","7","6","7","4","5","7","1") = "6"
    & skf21("4","7","6","7","4","6","1","1") = "6"
    & skf21("4","7","6","7","4","6","2","1") = "6"
    & skf21("4","7","6","7","4","6","3","1") = "6"
    & skf21("4","7","6","7","4","6","4","1") = "6"
    & skf21("4","7","6","7","4","6","5","1") = "6"
    & skf21("4","7","6","7","4","6","6","1") = "6"
    & skf21("4","7","6","7","4","6","7","1") = "6"
    & skf21("4","7","6","7","4","7","1","1") = "6"
    & skf21("4","7","6","7","4","7","2","1") = "6"
    & skf21("4","7","6","7","4","7","3","1") = "6"
    & skf21("4","7","6","7","4","7","4","1") = "6"
    & skf21("4","7","6","7","4","7","5","1") = "6"
    & skf21("4","7","6","7","4","7","6","1") = "6"
    & skf21("4","7","6","7","4","7","7","1") = "6"
    & skf21("4","7","6","7","5","1","1","1") = "6"
    & skf21("4","7","6","7","5","1","2","1") = "6"
    & skf21("4","7","6","7","5","1","3","1") = "6"
    & skf21("4","7","6","7","5","1","4","1") = "6"
    & skf21("4","7","6","7","5","1","5","1") = "6"
    & skf21("4","7","6","7","5","1","6","1") = "6"
    & skf21("4","7","6","7","5","1","7","1") = "6"
    & skf21("4","7","6","7","5","2","1","1") = "6"
    & skf21("4","7","6","7","5","2","2","1") = "6"
    & skf21("4","7","6","7","5","2","3","1") = "6"
    & skf21("4","7","6","7","5","2","4","1") = "6"
    & skf21("4","7","6","7","5","2","5","1") = "6"
    & skf21("4","7","6","7","5","2","6","1") = "6"
    & skf21("4","7","6","7","5","2","7","1") = "6"
    & skf21("4","7","6","7","5","3","1","1") = "6"
    & skf21("4","7","6","7","5","3","2","1") = "6"
    & skf21("4","7","6","7","5","3","3","1") = "6"
    & skf21("4","7","6","7","5","3","4","1") = "6"
    & skf21("4","7","6","7","5","3","5","1") = "6"
    & skf21("4","7","6","7","5","3","6","1") = "6"
    & skf21("4","7","6","7","5","3","7","1") = "6"
    & skf21("4","7","6","7","5","4","1","1") = "6"
    & skf21("4","7","6","7","5","4","2","1") = "6"
    & skf21("4","7","6","7","5","4","3","1") = "6"
    & skf21("4","7","6","7","5","4","4","1") = "6"
    & skf21("4","7","6","7","5","4","5","1") = "6"
    & skf21("4","7","6","7","5","4","6","1") = "6"
    & skf21("4","7","6","7","5","4","7","1") = "6"
    & skf21("4","7","6","7","5","5","1","1") = "6"
    & skf21("4","7","6","7","5","5","2","1") = "6"
    & skf21("4","7","6","7","5","5","3","1") = "6"
    & skf21("4","7","6","7","5","5","4","1") = "6"
    & skf21("4","7","6","7","5","5","5","1") = "6"
    & skf21("4","7","6","7","5","5","6","1") = "6"
    & skf21("4","7","6","7","5","5","7","1") = "6"
    & skf21("4","7","6","7","5","6","1","1") = "6"
    & skf21("4","7","6","7","5","6","2","1") = "6"
    & skf21("4","7","6","7","5","6","3","1") = "6"
    & skf21("4","7","6","7","5","6","4","1") = "6"
    & skf21("4","7","6","7","5","6","5","1") = "6"
    & skf21("4","7","6","7","5","6","6","1") = "6"
    & skf21("4","7","6","7","5","6","7","1") = "6"
    & skf21("4","7","6","7","5","7","1","1") = "6"
    & skf21("4","7","6","7","5","7","2","1") = "6"
    & skf21("4","7","6","7","5","7","3","1") = "6"
    & skf21("4","7","6","7","5","7","4","1") = "6"
    & skf21("4","7","6","7","5","7","5","1") = "6"
    & skf21("4","7","6","7","5","7","6","1") = "6"
    & skf21("4","7","6","7","5","7","7","1") = "6"
    & skf21("4","7","6","7","6","1","1","1") = "6"
    & skf21("4","7","6","7","6","1","2","1") = "6"
    & skf21("4","7","6","7","6","1","3","1") = "6"
    & skf21("4","7","6","7","6","1","4","1") = "6"
    & skf21("4","7","6","7","6","1","5","1") = "6"
    & skf21("4","7","6","7","6","1","6","1") = "6"
    & skf21("4","7","6","7","6","1","7","1") = "6"
    & skf21("4","7","6","7","6","2","1","1") = "6"
    & skf21("4","7","6","7","6","2","2","1") = "6"
    & skf21("4","7","6","7","6","2","3","1") = "6"
    & skf21("4","7","6","7","6","2","4","1") = "6"
    & skf21("4","7","6","7","6","2","5","1") = "6"
    & skf21("4","7","6","7","6","2","6","1") = "6"
    & skf21("4","7","6","7","6","2","7","1") = "6"
    & skf21("4","7","6","7","6","3","1","1") = "6"
    & skf21("4","7","6","7","6","3","2","1") = "6"
    & skf21("4","7","6","7","6","3","3","1") = "6"
    & skf21("4","7","6","7","6","3","4","1") = "6"
    & skf21("4","7","6","7","6","3","5","1") = "6"
    & skf21("4","7","6","7","6","3","6","1") = "6"
    & skf21("4","7","6","7","6","3","7","1") = "6"
    & skf21("4","7","6","7","6","4","1","1") = "6"
    & skf21("4","7","6","7","6","4","2","1") = "6"
    & skf21("4","7","6","7","6","4","3","1") = "6"
    & skf21("4","7","6","7","6","4","4","1") = "6"
    & skf21("4","7","6","7","6","4","5","1") = "6"
    & skf21("4","7","6","7","6","4","6","1") = "6"
    & skf21("4","7","6","7","6","4","7","1") = "6"
    & skf21("4","7","6","7","6","5","1","1") = "6"
    & skf21("4","7","6","7","6","5","2","1") = "6"
    & skf21("4","7","6","7","6","5","3","1") = "6"
    & skf21("4","7","6","7","6","5","4","1") = "6"
    & skf21("4","7","6","7","6","5","5","1") = "6"
    & skf21("4","7","6","7","6","5","6","1") = "6"
    & skf21("4","7","6","7","6","5","7","1") = "6"
    & skf21("4","7","6","7","6","6","1","1") = "6"
    & skf21("4","7","6","7","6","6","2","1") = "6"
    & skf21("4","7","6","7","6","6","3","1") = "6"
    & skf21("4","7","6","7","6","6","4","1") = "6"
    & skf21("4","7","6","7","6","6","5","1") = "6"
    & skf21("4","7","6","7","6","6","6","1") = "6"
    & skf21("4","7","6","7","6","6","7","1") = "6"
    & skf21("4","7","6","7","6","7","1","1") = "6"
    & skf21("4","7","6","7","6","7","2","1") = "6"
    & skf21("4","7","6","7","6","7","3","1") = "6"
    & skf21("4","7","6","7","6","7","4","1") = "6"
    & skf21("4","7","6","7","6","7","5","1") = "6"
    & skf21("4","7","6","7","6","7","6","1") = "6"
    & skf21("4","7","6","7","6","7","7","1") = "6"
    & skf21("4","7","6","7","7","1","1","1") = "6"
    & skf21("4","7","6","7","7","1","2","1") = "6"
    & skf21("4","7","6","7","7","1","3","1") = "6"
    & skf21("4","7","6","7","7","1","4","1") = "6"
    & skf21("4","7","6","7","7","1","5","1") = "6"
    & skf21("4","7","6","7","7","1","6","1") = "6"
    & skf21("4","7","6","7","7","1","7","1") = "6"
    & skf21("4","7","6","7","7","2","1","1") = "6"
    & skf21("4","7","6","7","7","2","2","1") = "6"
    & skf21("4","7","6","7","7","2","3","1") = "6"
    & skf21("4","7","6","7","7","2","4","1") = "6"
    & skf21("4","7","6","7","7","2","5","1") = "6"
    & skf21("4","7","6","7","7","2","6","1") = "6"
    & skf21("4","7","6","7","7","2","7","1") = "6"
    & skf21("4","7","6","7","7","3","1","1") = "6"
    & skf21("4","7","6","7","7","3","2","1") = "6"
    & skf21("4","7","6","7","7","3","3","1") = "6"
    & skf21("4","7","6","7","7","3","4","1") = "6"
    & skf21("4","7","6","7","7","3","5","1") = "6"
    & skf21("4","7","6","7","7","3","6","1") = "6"
    & skf21("4","7","6","7","7","3","7","1") = "6"
    & skf21("4","7","6","7","7","4","1","1") = "6"
    & skf21("4","7","6","7","7","4","2","1") = "6"
    & skf21("4","7","6","7","7","4","3","1") = "6"
    & skf21("4","7","6","7","7","4","4","1") = "6"
    & skf21("4","7","6","7","7","4","5","1") = "6"
    & skf21("4","7","6","7","7","4","6","1") = "6"
    & skf21("4","7","6","7","7","4","7","1") = "6"
    & skf21("4","7","6","7","7","5","1","1") = "6"
    & skf21("4","7","6","7","7","5","2","1") = "6"
    & skf21("4","7","6","7","7","5","3","1") = "6"
    & skf21("4","7","6","7","7","5","4","1") = "6"
    & skf21("4","7","6","7","7","5","5","1") = "6"
    & skf21("4","7","6","7","7","5","6","1") = "6"
    & skf21("4","7","6","7","7","5","7","1") = "6"
    & skf21("4","7","6","7","7","6","1","1") = "6"
    & skf21("4","7","6","7","7","6","2","1") = "6"
    & skf21("4","7","6","7","7","6","3","1") = "6"
    & skf21("4","7","6","7","7","6","4","1") = "6"
    & skf21("4","7","6","7","7","6","5","1") = "6"
    & skf21("4","7","6","7","7","6","6","1") = "6"
    & skf21("4","7","6","7","7","6","7","1") = "6"
    & skf21("4","7","6","7","7","7","1","1") = "6"
    & skf21("4","7","6","7","7","7","2","1") = "6"
    & skf21("4","7","6","7","7","7","3","1") = "6"
    & skf21("4","7","6","7","7","7","4","1") = "6"
    & skf21("4","7","6","7","7","7","5","1") = "6"
    & skf21("4","7","6","7","7","7","6","1") = "6"
    & skf21("4","7","6","7","7","7","7","1") = "6"
    & skf21("4","7","7","1","1","1","1","1") = "6"
    & skf21("4","7","7","1","1","1","2","1") = "6"
    & skf21("4","7","7","1","1","1","3","1") = "6"
    & skf21("4","7","7","1","1","1","4","1") = "6"
    & skf21("4","7","7","1","1","1","5","1") = "6"
    & skf21("4","7","7","1","1","1","6","1") = "6"
    & skf21("4","7","7","1","1","1","7","1") = "6"
    & skf21("4","7","7","1","1","2","1","1") = "6"
    & skf21("4","7","7","1","1","2","2","1") = "6"
    & skf21("4","7","7","1","1","2","3","1") = "6"
    & skf21("4","7","7","1","1","2","4","1") = "6"
    & skf21("4","7","7","1","1","2","5","1") = "6"
    & skf21("4","7","7","1","1","2","6","1") = "6"
    & skf21("4","7","7","1","1","2","7","1") = "6"
    & skf21("4","7","7","1","1","3","1","1") = "6"
    & skf21("4","7","7","1","1","3","2","1") = "6"
    & skf21("4","7","7","1","1","3","3","1") = "6"
    & skf21("4","7","7","1","1","3","4","1") = "6"
    & skf21("4","7","7","1","1","3","5","1") = "6"
    & skf21("4","7","7","1","1","3","6","1") = "6"
    & skf21("4","7","7","1","1","3","7","1") = "6"
    & skf21("4","7","7","1","1","4","1","1") = "6"
    & skf21("4","7","7","1","1","4","2","1") = "6"
    & skf21("4","7","7","1","1","4","3","1") = "6"
    & skf21("4","7","7","1","1","4","4","1") = "6"
    & skf21("4","7","7","1","1","4","5","1") = "6"
    & skf21("4","7","7","1","1","4","6","1") = "6"
    & skf21("4","7","7","1","1","4","7","1") = "6"
    & skf21("4","7","7","1","1","5","1","1") = "6"
    & skf21("4","7","7","1","1","5","2","1") = "6"
    & skf21("4","7","7","1","1","5","3","1") = "6"
    & skf21("4","7","7","1","1","5","4","1") = "6"
    & skf21("4","7","7","1","1","5","5","1") = "6"
    & skf21("4","7","7","1","1","5","6","1") = "6"
    & skf21("4","7","7","1","1","5","7","1") = "6"
    & skf21("4","7","7","1","1","6","1","1") = "6"
    & skf21("4","7","7","1","1","6","2","1") = "6"
    & skf21("4","7","7","1","1","6","3","1") = "6"
    & skf21("4","7","7","1","1","6","4","1") = "6"
    & skf21("4","7","7","1","1","6","5","1") = "6"
    & skf21("4","7","7","1","1","6","6","1") = "6"
    & skf21("4","7","7","1","1","6","7","1") = "6"
    & skf21("4","7","7","1","1","7","1","1") = "6"
    & skf21("4","7","7","1","1","7","2","1") = "6"
    & skf21("4","7","7","1","1","7","3","1") = "6"
    & skf21("4","7","7","1","1","7","4","1") = "6"
    & skf21("4","7","7","1","1","7","5","1") = "6"
    & skf21("4","7","7","1","1","7","6","1") = "6"
    & skf21("4","7","7","1","1","7","7","1") = "6"
    & skf21("4","7","7","1","2","1","1","1") = "6"
    & skf21("4","7","7","1","2","1","2","1") = "6"
    & skf21("4","7","7","1","2","1","3","1") = "6"
    & skf21("4","7","7","1","2","1","4","1") = "6"
    & skf21("4","7","7","1","2","1","5","1") = "6"
    & skf21("4","7","7","1","2","1","6","1") = "6"
    & skf21("4","7","7","1","2","1","7","1") = "6"
    & skf21("4","7","7","1","2","2","1","1") = "6"
    & skf21("4","7","7","1","2","2","2","1") = "6"
    & skf21("4","7","7","1","2","2","3","1") = "6"
    & skf21("4","7","7","1","2","2","4","1") = "6"
    & skf21("4","7","7","1","2","2","5","1") = "6"
    & skf21("4","7","7","1","2","2","6","1") = "6"
    & skf21("4","7","7","1","2","2","7","1") = "6"
    & skf21("4","7","7","1","2","3","1","1") = "6"
    & skf21("4","7","7","1","2","3","2","1") = "6"
    & skf21("4","7","7","1","2","3","3","1") = "6"
    & skf21("4","7","7","1","2","3","4","1") = "6"
    & skf21("4","7","7","1","2","3","5","1") = "6"
    & skf21("4","7","7","1","2","3","6","1") = "6"
    & skf21("4","7","7","1","2","3","7","1") = "6"
    & skf21("4","7","7","1","2","4","1","1") = "6"
    & skf21("4","7","7","1","2","4","2","1") = "6"
    & skf21("4","7","7","1","2","4","3","1") = "6"
    & skf21("4","7","7","1","2","4","4","1") = "6"
    & skf21("4","7","7","1","2","4","5","1") = "6"
    & skf21("4","7","7","1","2","4","6","1") = "6"
    & skf21("4","7","7","1","2","4","7","1") = "6"
    & skf21("4","7","7","1","2","5","1","1") = "6"
    & skf21("4","7","7","1","2","5","2","1") = "6"
    & skf21("4","7","7","1","2","5","3","1") = "6"
    & skf21("4","7","7","1","2","5","4","1") = "6"
    & skf21("4","7","7","1","2","5","5","1") = "6"
    & skf21("4","7","7","1","2","5","6","1") = "6"
    & skf21("4","7","7","1","2","5","7","1") = "6"
    & skf21("4","7","7","1","2","6","1","1") = "6"
    & skf21("4","7","7","1","2","6","2","1") = "6"
    & skf21("4","7","7","1","2","6","3","1") = "6"
    & skf21("4","7","7","1","2","6","4","1") = "6"
    & skf21("4","7","7","1","2","6","5","1") = "6"
    & skf21("4","7","7","1","2","6","6","1") = "6"
    & skf21("4","7","7","1","2","6","7","1") = "6"
    & skf21("4","7","7","1","2","7","1","1") = "6"
    & skf21("4","7","7","1","2","7","2","1") = "6"
    & skf21("4","7","7","1","2","7","3","1") = "6"
    & skf21("4","7","7","1","2","7","4","1") = "6"
    & skf21("4","7","7","1","2","7","5","1") = "6"
    & skf21("4","7","7","1","2","7","6","1") = "6"
    & skf21("4","7","7","1","2","7","7","1") = "6"
    & skf21("4","7","7","1","3","1","1","1") = "6"
    & skf21("4","7","7","1","3","1","2","1") = "6"
    & skf21("4","7","7","1","3","1","3","1") = "6"
    & skf21("4","7","7","1","3","1","4","1") = "6"
    & skf21("4","7","7","1","3","1","5","1") = "6"
    & skf21("4","7","7","1","3","1","6","1") = "6"
    & skf21("4","7","7","1","3","1","7","1") = "6"
    & skf21("4","7","7","1","3","2","1","1") = "6"
    & skf21("4","7","7","1","3","2","2","1") = "6"
    & skf21("4","7","7","1","3","2","3","1") = "6"
    & skf21("4","7","7","1","3","2","4","1") = "6"
    & skf21("4","7","7","1","3","2","5","1") = "6"
    & skf21("4","7","7","1","3","2","6","1") = "6"
    & skf21("4","7","7","1","3","2","7","1") = "6"
    & skf21("4","7","7","1","3","3","1","1") = "6"
    & skf21("4","7","7","1","3","3","2","1") = "6"
    & skf21("4","7","7","1","3","3","3","1") = "6"
    & skf21("4","7","7","1","3","3","4","1") = "6"
    & skf21("4","7","7","1","3","3","5","1") = "6"
    & skf21("4","7","7","1","3","3","6","1") = "6"
    & skf21("4","7","7","1","3","3","7","1") = "6"
    & skf21("4","7","7","1","3","4","1","1") = "6"
    & skf21("4","7","7","1","3","4","2","1") = "6"
    & skf21("4","7","7","1","3","4","3","1") = "6"
    & skf21("4","7","7","1","3","4","4","1") = "6"
    & skf21("4","7","7","1","3","4","5","1") = "6"
    & skf21("4","7","7","1","3","4","6","1") = "6"
    & skf21("4","7","7","1","3","4","7","1") = "6"
    & skf21("4","7","7","1","3","5","1","1") = "6"
    & skf21("4","7","7","1","3","5","2","1") = "6"
    & skf21("4","7","7","1","3","5","3","1") = "6"
    & skf21("4","7","7","1","3","5","4","1") = "6"
    & skf21("4","7","7","1","3","5","5","1") = "6"
    & skf21("4","7","7","1","3","5","6","1") = "6"
    & skf21("4","7","7","1","3","5","7","1") = "6"
    & skf21("4","7","7","1","3","6","1","1") = "6"
    & skf21("4","7","7","1","3","6","2","1") = "6"
    & skf21("4","7","7","1","3","6","3","1") = "6"
    & skf21("4","7","7","1","3","6","4","1") = "6"
    & skf21("4","7","7","1","3","6","5","1") = "6"
    & skf21("4","7","7","1","3","6","6","1") = "6"
    & skf21("4","7","7","1","3","6","7","1") = "6"
    & skf21("4","7","7","1","3","7","1","1") = "6"
    & skf21("4","7","7","1","3","7","2","1") = "6"
    & skf21("4","7","7","1","3","7","3","1") = "6"
    & skf21("4","7","7","1","3","7","4","1") = "6"
    & skf21("4","7","7","1","3","7","5","1") = "6"
    & skf21("4","7","7","1","3","7","6","1") = "6"
    & skf21("4","7","7","1","3","7","7","1") = "6"
    & skf21("4","7","7","1","4","1","1","1") = "6"
    & skf21("4","7","7","1","4","1","2","1") = "6"
    & skf21("4","7","7","1","4","1","3","1") = "6"
    & skf21("4","7","7","1","4","1","4","1") = "6"
    & skf21("4","7","7","1","4","1","5","1") = "6"
    & skf21("4","7","7","1","4","1","6","1") = "6"
    & skf21("4","7","7","1","4","1","7","1") = "6"
    & skf21("4","7","7","1","4","2","1","1") = "6"
    & skf21("4","7","7","1","4","2","2","1") = "6"
    & skf21("4","7","7","1","4","2","3","1") = "6"
    & skf21("4","7","7","1","4","2","4","1") = "6"
    & skf21("4","7","7","1","4","2","5","1") = "6"
    & skf21("4","7","7","1","4","2","6","1") = "6"
    & skf21("4","7","7","1","4","2","7","1") = "6"
    & skf21("4","7","7","1","4","3","1","1") = "6"
    & skf21("4","7","7","1","4","3","2","1") = "6"
    & skf21("4","7","7","1","4","3","3","1") = "6"
    & skf21("4","7","7","1","4","3","4","1") = "6"
    & skf21("4","7","7","1","4","3","5","1") = "6"
    & skf21("4","7","7","1","4","3","6","1") = "6"
    & skf21("4","7","7","1","4","3","7","1") = "6"
    & skf21("4","7","7","1","4","4","1","1") = "6"
    & skf21("4","7","7","1","4","4","2","1") = "6"
    & skf21("4","7","7","1","4","4","3","1") = "6"
    & skf21("4","7","7","1","4","4","4","1") = "6"
    & skf21("4","7","7","1","4","4","5","1") = "6"
    & skf21("4","7","7","1","4","4","6","1") = "6"
    & skf21("4","7","7","1","4","4","7","1") = "6"
    & skf21("4","7","7","1","4","5","1","1") = "6"
    & skf21("4","7","7","1","4","5","2","1") = "6"
    & skf21("4","7","7","1","4","5","3","1") = "6"
    & skf21("4","7","7","1","4","5","4","1") = "6"
    & skf21("4","7","7","1","4","5","5","1") = "6"
    & skf21("4","7","7","1","4","5","6","1") = "6"
    & skf21("4","7","7","1","4","5","7","1") = "6"
    & skf21("4","7","7","1","4","6","1","1") = "6"
    & skf21("4","7","7","1","4","6","2","1") = "6"
    & skf21("4","7","7","1","4","6","3","1") = "6"
    & skf21("4","7","7","1","4","6","4","1") = "6"
    & skf21("4","7","7","1","4","6","5","1") = "6"
    & skf21("4","7","7","1","4","6","6","1") = "6"
    & skf21("4","7","7","1","4","6","7","1") = "6"
    & skf21("4","7","7","1","4","7","1","1") = "6"
    & skf21("4","7","7","1","4","7","2","1") = "6"
    & skf21("4","7","7","1","4","7","3","1") = "6"
    & skf21("4","7","7","1","4","7","4","1") = "6"
    & skf21("4","7","7","1","4","7","5","1") = "6"
    & skf21("4","7","7","1","4","7","6","1") = "6"
    & skf21("4","7","7","1","4","7","7","1") = "6"
    & skf21("4","7","7","1","5","1","1","1") = "6"
    & skf21("4","7","7","1","5","1","2","1") = "6"
    & skf21("4","7","7","1","5","1","3","1") = "6"
    & skf21("4","7","7","1","5","1","4","1") = "6"
    & skf21("4","7","7","1","5","1","5","1") = "6"
    & skf21("4","7","7","1","5","1","6","1") = "6"
    & skf21("4","7","7","1","5","1","7","1") = "6"
    & skf21("4","7","7","1","5","2","1","1") = "6"
    & skf21("4","7","7","1","5","2","2","1") = "6"
    & skf21("4","7","7","1","5","2","3","1") = "6"
    & skf21("4","7","7","1","5","2","4","1") = "6"
    & skf21("4","7","7","1","5","2","5","1") = "6"
    & skf21("4","7","7","1","5","2","6","1") = "6"
    & skf21("4","7","7","1","5","2","7","1") = "6"
    & skf21("4","7","7","1","5","3","1","1") = "6"
    & skf21("4","7","7","1","5","3","2","1") = "6"
    & skf21("4","7","7","1","5","3","3","1") = "6"
    & skf21("4","7","7","1","5","3","4","1") = "6"
    & skf21("4","7","7","1","5","3","5","1") = "6"
    & skf21("4","7","7","1","5","3","6","1") = "6"
    & skf21("4","7","7","1","5","3","7","1") = "6"
    & skf21("4","7","7","1","5","4","1","1") = "6"
    & skf21("4","7","7","1","5","4","2","1") = "6"
    & skf21("4","7","7","1","5","4","3","1") = "6"
    & skf21("4","7","7","1","5","4","4","1") = "6"
    & skf21("4","7","7","1","5","4","5","1") = "6"
    & skf21("4","7","7","1","5","4","6","1") = "6"
    & skf21("4","7","7","1","5","4","7","1") = "6"
    & skf21("4","7","7","1","5","5","1","1") = "6"
    & skf21("4","7","7","1","5","5","2","1") = "6"
    & skf21("4","7","7","1","5","5","3","1") = "6"
    & skf21("4","7","7","1","5","5","4","1") = "6"
    & skf21("4","7","7","1","5","5","5","1") = "6"
    & skf21("4","7","7","1","5","5","6","1") = "6"
    & skf21("4","7","7","1","5","5","7","1") = "6"
    & skf21("4","7","7","1","5","6","1","1") = "6"
    & skf21("4","7","7","1","5","6","2","1") = "6"
    & skf21("4","7","7","1","5","6","3","1") = "6"
    & skf21("4","7","7","1","5","6","4","1") = "6"
    & skf21("4","7","7","1","5","6","5","1") = "6"
    & skf21("4","7","7","1","5","6","6","1") = "6"
    & skf21("4","7","7","1","5","6","7","1") = "6"
    & skf21("4","7","7","1","5","7","1","1") = "6"
    & skf21("4","7","7","1","5","7","2","1") = "6"
    & skf21("4","7","7","1","5","7","3","1") = "6"
    & skf21("4","7","7","1","5","7","4","1") = "6"
    & skf21("4","7","7","1","5","7","5","1") = "6"
    & skf21("4","7","7","1","5","7","6","1") = "6"
    & skf21("4","7","7","1","5","7","7","1") = "6"
    & skf21("4","7","7","1","6","1","1","1") = "6"
    & skf21("4","7","7","1","6","1","2","1") = "6"
    & skf21("4","7","7","1","6","1","3","1") = "6"
    & skf21("4","7","7","1","6","1","4","1") = "6"
    & skf21("4","7","7","1","6","1","5","1") = "6"
    & skf21("4","7","7","1","6","1","6","1") = "6"
    & skf21("4","7","7","1","6","1","7","1") = "6"
    & skf21("4","7","7","1","6","2","1","1") = "6"
    & skf21("4","7","7","1","6","2","2","1") = "6"
    & skf21("4","7","7","1","6","2","3","1") = "6"
    & skf21("4","7","7","1","6","2","4","1") = "6"
    & skf21("4","7","7","1","6","2","5","1") = "6"
    & skf21("4","7","7","1","6","2","6","1") = "6"
    & skf21("4","7","7","1","6","2","7","1") = "6"
    & skf21("4","7","7","1","6","3","1","1") = "6"
    & skf21("4","7","7","1","6","3","2","1") = "6"
    & skf21("4","7","7","1","6","3","3","1") = "6"
    & skf21("4","7","7","1","6","3","4","1") = "6"
    & skf21("4","7","7","1","6","3","5","1") = "6"
    & skf21("4","7","7","1","6","3","6","1") = "6"
    & skf21("4","7","7","1","6","3","7","1") = "6"
    & skf21("4","7","7","1","6","4","1","1") = "6"
    & skf21("4","7","7","1","6","4","2","1") = "6"
    & skf21("4","7","7","1","6","4","3","1") = "6"
    & skf21("4","7","7","1","6","4","4","1") = "6"
    & skf21("4","7","7","1","6","4","5","1") = "6"
    & skf21("4","7","7","1","6","4","6","1") = "6"
    & skf21("4","7","7","1","6","4","7","1") = "6"
    & skf21("4","7","7","1","6","5","1","1") = "6"
    & skf21("4","7","7","1","6","5","2","1") = "6"
    & skf21("4","7","7","1","6","5","3","1") = "6"
    & skf21("4","7","7","1","6","5","4","1") = "6"
    & skf21("4","7","7","1","6","5","5","1") = "6"
    & skf21("4","7","7","1","6","5","6","1") = "6"
    & skf21("4","7","7","1","6","5","7","1") = "6"
    & skf21("4","7","7","1","6","6","1","1") = "6"
    & skf21("4","7","7","1","6","6","2","1") = "6"
    & skf21("4","7","7","1","6","6","3","1") = "6"
    & skf21("4","7","7","1","6","6","4","1") = "6"
    & skf21("4","7","7","1","6","6","5","1") = "6"
    & skf21("4","7","7","1","6","6","6","1") = "6"
    & skf21("4","7","7","1","6","6","7","1") = "6"
    & skf21("4","7","7","1","6","7","1","1") = "6"
    & skf21("4","7","7","1","6","7","2","1") = "6"
    & skf21("4","7","7","1","6","7","3","1") = "6"
    & skf21("4","7","7","1","6","7","4","1") = "6"
    & skf21("4","7","7","1","6","7","5","1") = "6"
    & skf21("4","7","7","1","6","7","6","1") = "6"
    & skf21("4","7","7","1","6","7","7","1") = "6"
    & skf21("4","7","7","1","7","1","1","1") = "6"
    & skf21("4","7","7","1","7","1","2","1") = "6"
    & skf21("4","7","7","1","7","1","3","1") = "6"
    & skf21("4","7","7","1","7","1","4","1") = "6"
    & skf21("4","7","7","1","7","1","5","1") = "6"
    & skf21("4","7","7","1","7","1","6","1") = "6"
    & skf21("4","7","7","1","7","1","7","1") = "6"
    & skf21("4","7","7","1","7","2","1","1") = "6"
    & skf21("4","7","7","1","7","2","2","1") = "6"
    & skf21("4","7","7","1","7","2","3","1") = "6"
    & skf21("4","7","7","1","7","2","4","1") = "6"
    & skf21("4","7","7","1","7","2","5","1") = "6"
    & skf21("4","7","7","1","7","2","6","1") = "6"
    & skf21("4","7","7","1","7","2","7","1") = "6"
    & skf21("4","7","7","1","7","3","1","1") = "6"
    & skf21("4","7","7","1","7","3","2","1") = "6"
    & skf21("4","7","7","1","7","3","3","1") = "6"
    & skf21("4","7","7","1","7","3","4","1") = "6"
    & skf21("4","7","7","1","7","3","5","1") = "6"
    & skf21("4","7","7","1","7","3","6","1") = "6"
    & skf21("4","7","7","1","7","3","7","1") = "6"
    & skf21("4","7","7","1","7","4","1","1") = "6"
    & skf21("4","7","7","1","7","4","2","1") = "6"
    & skf21("4","7","7","1","7","4","3","1") = "6"
    & skf21("4","7","7","1","7","4","4","1") = "6"
    & skf21("4","7","7","1","7","4","5","1") = "6"
    & skf21("4","7","7","1","7","4","6","1") = "6"
    & skf21("4","7","7","1","7","4","7","1") = "6"
    & skf21("4","7","7","1","7","5","1","1") = "6"
    & skf21("4","7","7","1","7","5","2","1") = "6"
    & skf21("4","7","7","1","7","5","3","1") = "6"
    & skf21("4","7","7","1","7","5","4","1") = "6"
    & skf21("4","7","7","1","7","5","5","1") = "6"
    & skf21("4","7","7","1","7","5","6","1") = "6"
    & skf21("4","7","7","1","7","5","7","1") = "6"
    & skf21("4","7","7","1","7","6","1","1") = "6"
    & skf21("4","7","7","1","7","6","2","1") = "6"
    & skf21("4","7","7","1","7","6","3","1") = "6"
    & skf21("4","7","7","1","7","6","4","1") = "6"
    & skf21("4","7","7","1","7","6","5","1") = "6"
    & skf21("4","7","7","1","7","6","6","1") = "6"
    & skf21("4","7","7","1","7","6","7","1") = "6"
    & skf21("4","7","7","1","7","7","1","1") = "6"
    & skf21("4","7","7","1","7","7","2","1") = "6"
    & skf21("4","7","7","1","7","7","3","1") = "6"
    & skf21("4","7","7","1","7","7","4","1") = "6"
    & skf21("4","7","7","1","7","7","5","1") = "6"
    & skf21("4","7","7","1","7","7","6","1") = "6"
    & skf21("4","7","7","1","7","7","7","1") = "6"
    & skf21("4","7","7","2","1","1","1","1") = "6"
    & skf21("4","7","7","2","1","1","2","1") = "6"
    & skf21("4","7","7","2","1","1","3","1") = "6"
    & skf21("4","7","7","2","1","1","4","1") = "6"
    & skf21("4","7","7","2","1","1","5","1") = "6"
    & skf21("4","7","7","2","1","1","6","1") = "6"
    & skf21("4","7","7","2","1","1","7","1") = "6"
    & skf21("4","7","7","2","1","2","1","1") = "6"
    & skf21("4","7","7","2","1","2","2","1") = "6"
    & skf21("4","7","7","2","1","2","3","1") = "6"
    & skf21("4","7","7","2","1","2","4","1") = "6"
    & skf21("4","7","7","2","1","2","5","1") = "6"
    & skf21("4","7","7","2","1","2","6","1") = "6"
    & skf21("4","7","7","2","1","2","7","1") = "6"
    & skf21("4","7","7","2","1","3","1","1") = "6"
    & skf21("4","7","7","2","1","3","2","1") = "6"
    & skf21("4","7","7","2","1","3","3","1") = "6"
    & skf21("4","7","7","2","1","3","4","1") = "6"
    & skf21("4","7","7","2","1","3","5","1") = "6"
    & skf21("4","7","7","2","1","3","6","1") = "6"
    & skf21("4","7","7","2","1","3","7","1") = "6"
    & skf21("4","7","7","2","1","4","1","1") = "6"
    & skf21("4","7","7","2","1","4","2","1") = "6"
    & skf21("4","7","7","2","1","4","3","1") = "6"
    & skf21("4","7","7","2","1","4","4","1") = "6"
    & skf21("4","7","7","2","1","4","5","1") = "6"
    & skf21("4","7","7","2","1","4","6","1") = "6"
    & skf21("4","7","7","2","1","4","7","1") = "6"
    & skf21("4","7","7","2","1","5","1","1") = "6"
    & skf21("4","7","7","2","1","5","2","1") = "6"
    & skf21("4","7","7","2","1","5","3","1") = "6"
    & skf21("4","7","7","2","1","5","4","1") = "6"
    & skf21("4","7","7","2","1","5","5","1") = "6"
    & skf21("4","7","7","2","1","5","6","1") = "6"
    & skf21("4","7","7","2","1","5","7","1") = "6"
    & skf21("4","7","7","2","1","6","1","1") = "6"
    & skf21("4","7","7","2","1","6","2","1") = "6"
    & skf21("4","7","7","2","1","6","3","1") = "6"
    & skf21("4","7","7","2","1","6","4","1") = "6"
    & skf21("4","7","7","2","1","6","5","1") = "6"
    & skf21("4","7","7","2","1","6","6","1") = "6"
    & skf21("4","7","7","2","1","6","7","1") = "6"
    & skf21("4","7","7","2","1","7","1","1") = "6"
    & skf21("4","7","7","2","1","7","2","1") = "6"
    & skf21("4","7","7","2","1","7","3","1") = "6"
    & skf21("4","7","7","2","1","7","4","1") = "6"
    & skf21("4","7","7","2","1","7","5","1") = "6"
    & skf21("4","7","7","2","1","7","6","1") = "6"
    & skf21("4","7","7","2","1","7","7","1") = "6"
    & skf21("4","7","7","2","2","1","1","1") = "6"
    & skf21("4","7","7","2","2","1","2","1") = "6"
    & skf21("4","7","7","2","2","1","3","1") = "6"
    & skf21("4","7","7","2","2","1","4","1") = "6"
    & skf21("4","7","7","2","2","1","5","1") = "6"
    & skf21("4","7","7","2","2","1","6","1") = "6"
    & skf21("4","7","7","2","2","1","7","1") = "6"
    & skf21("4","7","7","2","2","2","1","1") = "6"
    & skf21("4","7","7","2","2","2","2","1") = "6"
    & skf21("4","7","7","2","2","2","3","1") = "6"
    & skf21("4","7","7","2","2","2","4","1") = "6"
    & skf21("4","7","7","2","2","2","5","1") = "6"
    & skf21("4","7","7","2","2","2","6","1") = "6"
    & skf21("4","7","7","2","2","2","7","1") = "6"
    & skf21("4","7","7","2","2","3","1","1") = "6"
    & skf21("4","7","7","2","2","3","2","1") = "6"
    & skf21("4","7","7","2","2","3","3","1") = "6"
    & skf21("4","7","7","2","2","3","4","1") = "6"
    & skf21("4","7","7","2","2","3","5","1") = "6"
    & skf21("4","7","7","2","2","3","6","1") = "6"
    & skf21("4","7","7","2","2","3","7","1") = "6"
    & skf21("4","7","7","2","2","4","1","1") = "6"
    & skf21("4","7","7","2","2","4","2","1") = "6"
    & skf21("4","7","7","2","2","4","3","1") = "6"
    & skf21("4","7","7","2","2","4","4","1") = "6"
    & skf21("4","7","7","2","2","4","5","1") = "6"
    & skf21("4","7","7","2","2","4","6","1") = "6"
    & skf21("4","7","7","2","2","4","7","1") = "6"
    & skf21("4","7","7","2","2","5","1","1") = "6"
    & skf21("4","7","7","2","2","5","2","1") = "6"
    & skf21("4","7","7","2","2","5","3","1") = "6"
    & skf21("4","7","7","2","2","5","4","1") = "6"
    & skf21("4","7","7","2","2","5","5","1") = "6"
    & skf21("4","7","7","2","2","5","6","1") = "6"
    & skf21("4","7","7","2","2","5","7","1") = "6"
    & skf21("4","7","7","2","2","6","1","1") = "6"
    & skf21("4","7","7","2","2","6","2","1") = "6"
    & skf21("4","7","7","2","2","6","3","1") = "6"
    & skf21("4","7","7","2","2","6","4","1") = "6"
    & skf21("4","7","7","2","2","6","5","1") = "6"
    & skf21("4","7","7","2","2","6","6","1") = "6"
    & skf21("4","7","7","2","2","6","7","1") = "6"
    & skf21("4","7","7","2","2","7","1","1") = "6"
    & skf21("4","7","7","2","2","7","2","1") = "6"
    & skf21("4","7","7","2","2","7","3","1") = "6"
    & skf21("4","7","7","2","2","7","4","1") = "6"
    & skf21("4","7","7","2","2","7","5","1") = "6"
    & skf21("4","7","7","2","2","7","6","1") = "6"
    & skf21("4","7","7","2","2","7","7","1") = "6"
    & skf21("4","7","7","2","3","1","1","1") = "6"
    & skf21("4","7","7","2","3","1","2","1") = "6"
    & skf21("4","7","7","2","3","1","3","1") = "6"
    & skf21("4","7","7","2","3","1","4","1") = "6"
    & skf21("4","7","7","2","3","1","5","1") = "6"
    & skf21("4","7","7","2","3","1","6","1") = "6"
    & skf21("4","7","7","2","3","1","7","1") = "6"
    & skf21("4","7","7","2","3","2","1","1") = "6"
    & skf21("4","7","7","2","3","2","2","1") = "6"
    & skf21("4","7","7","2","3","2","3","1") = "6"
    & skf21("4","7","7","2","3","2","4","1") = "6"
    & skf21("4","7","7","2","3","2","5","1") = "6"
    & skf21("4","7","7","2","3","2","6","1") = "6"
    & skf21("4","7","7","2","3","2","7","1") = "6"
    & skf21("4","7","7","2","3","3","1","1") = "6"
    & skf21("4","7","7","2","3","3","2","1") = "6"
    & skf21("4","7","7","2","3","3","3","1") = "6"
    & skf21("4","7","7","2","3","3","4","1") = "6"
    & skf21("4","7","7","2","3","3","5","1") = "6"
    & skf21("4","7","7","2","3","3","6","1") = "6"
    & skf21("4","7","7","2","3","3","7","1") = "6"
    & skf21("4","7","7","2","3","4","1","1") = "6"
    & skf21("4","7","7","2","3","4","2","1") = "6"
    & skf21("4","7","7","2","3","4","3","1") = "6"
    & skf21("4","7","7","2","3","4","4","1") = "6"
    & skf21("4","7","7","2","3","4","5","1") = "6"
    & skf21("4","7","7","2","3","4","6","1") = "6"
    & skf21("4","7","7","2","3","4","7","1") = "6"
    & skf21("4","7","7","2","3","5","1","1") = "6"
    & skf21("4","7","7","2","3","5","2","1") = "6"
    & skf21("4","7","7","2","3","5","3","1") = "6"
    & skf21("4","7","7","2","3","5","4","1") = "6"
    & skf21("4","7","7","2","3","5","5","1") = "6"
    & skf21("4","7","7","2","3","5","6","1") = "6"
    & skf21("4","7","7","2","3","5","7","1") = "6"
    & skf21("4","7","7","2","3","6","1","1") = "6"
    & skf21("4","7","7","2","3","6","2","1") = "6"
    & skf21("4","7","7","2","3","6","3","1") = "6"
    & skf21("4","7","7","2","3","6","4","1") = "6"
    & skf21("4","7","7","2","3","6","5","1") = "6"
    & skf21("4","7","7","2","3","6","6","1") = "6"
    & skf21("4","7","7","2","3","6","7","1") = "6"
    & skf21("4","7","7","2","3","7","1","1") = "6"
    & skf21("4","7","7","2","3","7","2","1") = "6"
    & skf21("4","7","7","2","3","7","3","1") = "6"
    & skf21("4","7","7","2","3","7","4","1") = "6"
    & skf21("4","7","7","2","3","7","5","1") = "6"
    & skf21("4","7","7","2","3","7","6","1") = "6"
    & skf21("4","7","7","2","3","7","7","1") = "6"
    & skf21("4","7","7","2","4","1","1","1") = "6"
    & skf21("4","7","7","2","4","1","2","1") = "6"
    & skf21("4","7","7","2","4","1","3","1") = "6"
    & skf21("4","7","7","2","4","1","4","1") = "6"
    & skf21("4","7","7","2","4","1","5","1") = "6"
    & skf21("4","7","7","2","4","1","6","1") = "6"
    & skf21("4","7","7","2","4","1","7","1") = "6"
    & skf21("4","7","7","2","4","2","1","1") = "6"
    & skf21("4","7","7","2","4","2","2","1") = "6"
    & skf21("4","7","7","2","4","2","3","1") = "6"
    & skf21("4","7","7","2","4","2","4","1") = "6"
    & skf21("4","7","7","2","4","2","5","1") = "6"
    & skf21("4","7","7","2","4","2","6","1") = "6"
    & skf21("4","7","7","2","4","2","7","1") = "6"
    & skf21("4","7","7","2","4","3","1","1") = "6"
    & skf21("4","7","7","2","4","3","2","1") = "6"
    & skf21("4","7","7","2","4","3","3","1") = "6"
    & skf21("4","7","7","2","4","3","4","1") = "6"
    & skf21("4","7","7","2","4","3","5","1") = "6"
    & skf21("4","7","7","2","4","3","6","1") = "6"
    & skf21("4","7","7","2","4","3","7","1") = "6"
    & skf21("4","7","7","2","4","4","1","1") = "6"
    & skf21("4","7","7","2","4","4","2","1") = "6"
    & skf21("4","7","7","2","4","4","3","1") = "6"
    & skf21("4","7","7","2","4","4","4","1") = "6"
    & skf21("4","7","7","2","4","4","5","1") = "6"
    & skf21("4","7","7","2","4","4","6","1") = "6"
    & skf21("4","7","7","2","4","4","7","1") = "6"
    & skf21("4","7","7","2","4","5","1","1") = "6"
    & skf21("4","7","7","2","4","5","2","1") = "6"
    & skf21("4","7","7","2","4","5","3","1") = "6"
    & skf21("4","7","7","2","4","5","4","1") = "6"
    & skf21("4","7","7","2","4","5","5","1") = "6"
    & skf21("4","7","7","2","4","5","6","1") = "6"
    & skf21("4","7","7","2","4","5","7","1") = "6"
    & skf21("4","7","7","2","4","6","1","1") = "6"
    & skf21("4","7","7","2","4","6","2","1") = "6"
    & skf21("4","7","7","2","4","6","3","1") = "6"
    & skf21("4","7","7","2","4","6","4","1") = "6"
    & skf21("4","7","7","2","4","6","5","1") = "6"
    & skf21("4","7","7","2","4","6","6","1") = "6"
    & skf21("4","7","7","2","4","6","7","1") = "6"
    & skf21("4","7","7","2","4","7","1","1") = "6"
    & skf21("4","7","7","2","4","7","2","1") = "6"
    & skf21("4","7","7","2","4","7","3","1") = "6"
    & skf21("4","7","7","2","4","7","4","1") = "6"
    & skf21("4","7","7","2","4","7","5","1") = "6"
    & skf21("4","7","7","2","4","7","6","1") = "6"
    & skf21("4","7","7","2","4","7","7","1") = "6"
    & skf21("4","7","7","2","5","1","1","1") = "6"
    & skf21("4","7","7","2","5","1","2","1") = "6"
    & skf21("4","7","7","2","5","1","3","1") = "6"
    & skf21("4","7","7","2","5","1","4","1") = "6"
    & skf21("4","7","7","2","5","1","5","1") = "6"
    & skf21("4","7","7","2","5","1","6","1") = "6"
    & skf21("4","7","7","2","5","1","7","1") = "6"
    & skf21("4","7","7","2","5","2","1","1") = "6"
    & skf21("4","7","7","2","5","2","2","1") = "6"
    & skf21("4","7","7","2","5","2","3","1") = "6"
    & skf21("4","7","7","2","5","2","4","1") = "6"
    & skf21("4","7","7","2","5","2","5","1") = "6"
    & skf21("4","7","7","2","5","2","6","1") = "6"
    & skf21("4","7","7","2","5","2","7","1") = "6"
    & skf21("4","7","7","2","5","3","1","1") = "6"
    & skf21("4","7","7","2","5","3","2","1") = "6"
    & skf21("4","7","7","2","5","3","3","1") = "6"
    & skf21("4","7","7","2","5","3","4","1") = "6"
    & skf21("4","7","7","2","5","3","5","1") = "6"
    & skf21("4","7","7","2","5","3","6","1") = "6"
    & skf21("4","7","7","2","5","3","7","1") = "6"
    & skf21("4","7","7","2","5","4","1","1") = "6"
    & skf21("4","7","7","2","5","4","2","1") = "6"
    & skf21("4","7","7","2","5","4","3","1") = "6"
    & skf21("4","7","7","2","5","4","4","1") = "6"
    & skf21("4","7","7","2","5","4","5","1") = "6"
    & skf21("4","7","7","2","5","4","6","1") = "6"
    & skf21("4","7","7","2","5","4","7","1") = "6"
    & skf21("4","7","7","2","5","5","1","1") = "6"
    & skf21("4","7","7","2","5","5","2","1") = "6"
    & skf21("4","7","7","2","5","5","3","1") = "6"
    & skf21("4","7","7","2","5","5","4","1") = "6"
    & skf21("4","7","7","2","5","5","5","1") = "6"
    & skf21("4","7","7","2","5","5","6","1") = "6"
    & skf21("4","7","7","2","5","5","7","1") = "6"
    & skf21("4","7","7","2","5","6","1","1") = "6"
    & skf21("4","7","7","2","5","6","2","1") = "6"
    & skf21("4","7","7","2","5","6","3","1") = "6"
    & skf21("4","7","7","2","5","6","4","1") = "6"
    & skf21("4","7","7","2","5","6","5","1") = "6"
    & skf21("4","7","7","2","5","6","6","1") = "6"
    & skf21("4","7","7","2","5","6","7","1") = "6"
    & skf21("4","7","7","2","5","7","1","1") = "6"
    & skf21("4","7","7","2","5","7","2","1") = "6"
    & skf21("4","7","7","2","5","7","3","1") = "6"
    & skf21("4","7","7","2","5","7","4","1") = "6"
    & skf21("4","7","7","2","5","7","5","1") = "6"
    & skf21("4","7","7","2","5","7","6","1") = "6"
    & skf21("4","7","7","2","5","7","7","1") = "6"
    & skf21("4","7","7","2","6","1","1","1") = "6"
    & skf21("4","7","7","2","6","1","2","1") = "6"
    & skf21("4","7","7","2","6","1","3","1") = "6"
    & skf21("4","7","7","2","6","1","4","1") = "6"
    & skf21("4","7","7","2","6","1","5","1") = "6"
    & skf21("4","7","7","2","6","1","6","1") = "6"
    & skf21("4","7","7","2","6","1","7","1") = "6"
    & skf21("4","7","7","2","6","2","1","1") = "6"
    & skf21("4","7","7","2","6","2","2","1") = "6"
    & skf21("4","7","7","2","6","2","3","1") = "6"
    & skf21("4","7","7","2","6","2","4","1") = "6"
    & skf21("4","7","7","2","6","2","5","1") = "6"
    & skf21("4","7","7","2","6","2","6","1") = "6"
    & skf21("4","7","7","2","6","2","7","1") = "6"
    & skf21("4","7","7","2","6","3","1","1") = "6"
    & skf21("4","7","7","2","6","3","2","1") = "6"
    & skf21("4","7","7","2","6","3","3","1") = "6"
    & skf21("4","7","7","2","6","3","4","1") = "6"
    & skf21("4","7","7","2","6","3","5","1") = "6"
    & skf21("4","7","7","2","6","3","6","1") = "6"
    & skf21("4","7","7","2","6","3","7","1") = "6"
    & skf21("4","7","7","2","6","4","1","1") = "6"
    & skf21("4","7","7","2","6","4","2","1") = "6"
    & skf21("4","7","7","2","6","4","3","1") = "6"
    & skf21("4","7","7","2","6","4","4","1") = "6"
    & skf21("4","7","7","2","6","4","5","1") = "6"
    & skf21("4","7","7","2","6","4","6","1") = "6"
    & skf21("4","7","7","2","6","4","7","1") = "6"
    & skf21("4","7","7","2","6","5","1","1") = "6"
    & skf21("4","7","7","2","6","5","2","1") = "6"
    & skf21("4","7","7","2","6","5","3","1") = "6"
    & skf21("4","7","7","2","6","5","4","1") = "6"
    & skf21("4","7","7","2","6","5","5","1") = "6"
    & skf21("4","7","7","2","6","5","6","1") = "6"
    & skf21("4","7","7","2","6","5","7","1") = "6"
    & skf21("4","7","7","2","6","6","1","1") = "6"
    & skf21("4","7","7","2","6","6","2","1") = "6"
    & skf21("4","7","7","2","6","6","3","1") = "6"
    & skf21("4","7","7","2","6","6","4","1") = "6"
    & skf21("4","7","7","2","6","6","5","1") = "6"
    & skf21("4","7","7","2","6","6","6","1") = "6"
    & skf21("4","7","7","2","6","6","7","1") = "6"
    & skf21("4","7","7","2","6","7","1","1") = "6"
    & skf21("4","7","7","2","6","7","2","1") = "6"
    & skf21("4","7","7","2","6","7","3","1") = "6"
    & skf21("4","7","7","2","6","7","4","1") = "6"
    & skf21("4","7","7","2","6","7","5","1") = "6"
    & skf21("4","7","7","2","6","7","6","1") = "6"
    & skf21("4","7","7","2","6","7","7","1") = "6"
    & skf21("4","7","7","2","7","1","1","1") = "6"
    & skf21("4","7","7","2","7","1","2","1") = "6"
    & skf21("4","7","7","2","7","1","3","1") = "6"
    & skf21("4","7","7","2","7","1","4","1") = "6"
    & skf21("4","7","7","2","7","1","5","1") = "6"
    & skf21("4","7","7","2","7","1","6","1") = "6"
    & skf21("4","7","7","2","7","1","7","1") = "6"
    & skf21("4","7","7","2","7","2","1","1") = "6"
    & skf21("4","7","7","2","7","2","2","1") = "6"
    & skf21("4","7","7","2","7","2","3","1") = "6"
    & skf21("4","7","7","2","7","2","4","1") = "6"
    & skf21("4","7","7","2","7","2","5","1") = "6"
    & skf21("4","7","7","2","7","2","6","1") = "6"
    & skf21("4","7","7","2","7","2","7","1") = "6"
    & skf21("4","7","7","2","7","3","1","1") = "6"
    & skf21("4","7","7","2","7","3","2","1") = "6"
    & skf21("4","7","7","2","7","3","3","1") = "6"
    & skf21("4","7","7","2","7","3","4","1") = "6"
    & skf21("4","7","7","2","7","3","5","1") = "6"
    & skf21("4","7","7","2","7","3","6","1") = "6"
    & skf21("4","7","7","2","7","3","7","1") = "6"
    & skf21("4","7","7","2","7","4","1","1") = "6"
    & skf21("4","7","7","2","7","4","2","1") = "6"
    & skf21("4","7","7","2","7","4","3","1") = "6"
    & skf21("4","7","7","2","7","4","4","1") = "6"
    & skf21("4","7","7","2","7","4","5","1") = "6"
    & skf21("4","7","7","2","7","4","6","1") = "6"
    & skf21("4","7","7","2","7","4","7","1") = "6"
    & skf21("4","7","7","2","7","5","1","1") = "6"
    & skf21("4","7","7","2","7","5","2","1") = "6"
    & skf21("4","7","7","2","7","5","3","1") = "6"
    & skf21("4","7","7","2","7","5","4","1") = "6"
    & skf21("4","7","7","2","7","5","5","1") = "6"
    & skf21("4","7","7","2","7","5","6","1") = "6"
    & skf21("4","7","7","2","7","5","7","1") = "6"
    & skf21("4","7","7","2","7","6","1","1") = "6"
    & skf21("4","7","7","2","7","6","2","1") = "6"
    & skf21("4","7","7","2","7","6","3","1") = "6"
    & skf21("4","7","7","2","7","6","4","1") = "6"
    & skf21("4","7","7","2","7","6","5","1") = "6"
    & skf21("4","7","7","2","7","6","6","1") = "6"
    & skf21("4","7","7","2","7","6","7","1") = "6"
    & skf21("4","7","7","2","7","7","1","1") = "6"
    & skf21("4","7","7","2","7","7","2","1") = "6"
    & skf21("4","7","7","2","7","7","3","1") = "6"
    & skf21("4","7","7","2","7","7","4","1") = "6"
    & skf21("4","7","7","2","7","7","5","1") = "6"
    & skf21("4","7","7","2","7","7","6","1") = "6"
    & skf21("4","7","7","2","7","7","7","1") = "6"
    & skf21("4","7","7","3","1","1","1","1") = "6"
    & skf21("4","7","7","3","1","1","2","1") = "6"
    & skf21("4","7","7","3","1","1","3","1") = "6"
    & skf21("4","7","7","3","1","1","4","1") = "6"
    & skf21("4","7","7","3","1","1","5","1") = "6"
    & skf21("4","7","7","3","1","1","6","1") = "6"
    & skf21("4","7","7","3","1","1","7","1") = "6"
    & skf21("4","7","7","3","1","2","1","1") = "6"
    & skf21("4","7","7","3","1","2","2","1") = "6"
    & skf21("4","7","7","3","1","2","3","1") = "6"
    & skf21("4","7","7","3","1","2","4","1") = "6"
    & skf21("4","7","7","3","1","2","5","1") = "6"
    & skf21("4","7","7","3","1","2","6","1") = "6"
    & skf21("4","7","7","3","1","2","7","1") = "6"
    & skf21("4","7","7","3","1","3","1","1") = "6"
    & skf21("4","7","7","3","1","3","2","1") = "6"
    & skf21("4","7","7","3","1","3","3","1") = "6"
    & skf21("4","7","7","3","1","3","4","1") = "6"
    & skf21("4","7","7","3","1","3","5","1") = "6"
    & skf21("4","7","7","3","1","3","6","1") = "6"
    & skf21("4","7","7","3","1","3","7","1") = "6"
    & skf21("4","7","7","3","1","4","1","1") = "6"
    & skf21("4","7","7","3","1","4","2","1") = "6"
    & skf21("4","7","7","3","1","4","3","1") = "6"
    & skf21("4","7","7","3","1","4","4","1") = "6"
    & skf21("4","7","7","3","1","4","5","1") = "6"
    & skf21("4","7","7","3","1","4","6","1") = "6"
    & skf21("4","7","7","3","1","4","7","1") = "6"
    & skf21("4","7","7","3","1","5","1","1") = "6"
    & skf21("4","7","7","3","1","5","2","1") = "6"
    & skf21("4","7","7","3","1","5","3","1") = "6"
    & skf21("4","7","7","3","1","5","4","1") = "6"
    & skf21("4","7","7","3","1","5","5","1") = "6"
    & skf21("4","7","7","3","1","5","6","1") = "6"
    & skf21("4","7","7","3","1","5","7","1") = "6"
    & skf21("4","7","7","3","1","6","1","1") = "6"
    & skf21("4","7","7","3","1","6","2","1") = "6"
    & skf21("4","7","7","3","1","6","3","1") = "6"
    & skf21("4","7","7","3","1","6","4","1") = "6"
    & skf21("4","7","7","3","1","6","5","1") = "6"
    & skf21("4","7","7","3","1","6","6","1") = "6"
    & skf21("4","7","7","3","1","6","7","1") = "6"
    & skf21("4","7","7","3","1","7","1","1") = "6"
    & skf21("4","7","7","3","1","7","2","1") = "6"
    & skf21("4","7","7","3","1","7","3","1") = "6"
    & skf21("4","7","7","3","1","7","4","1") = "6"
    & skf21("4","7","7","3","1","7","5","1") = "6"
    & skf21("4","7","7","3","1","7","6","1") = "6"
    & skf21("4","7","7","3","1","7","7","1") = "6"
    & skf21("4","7","7","3","2","1","1","1") = "6"
    & skf21("4","7","7","3","2","1","2","1") = "6"
    & skf21("4","7","7","3","2","1","3","1") = "6"
    & skf21("4","7","7","3","2","1","4","1") = "6"
    & skf21("4","7","7","3","2","1","5","1") = "6"
    & skf21("4","7","7","3","2","1","6","1") = "6"
    & skf21("4","7","7","3","2","1","7","1") = "6"
    & skf21("4","7","7","3","2","2","1","1") = "6"
    & skf21("4","7","7","3","2","2","2","1") = "6"
    & skf21("4","7","7","3","2","2","3","1") = "6"
    & skf21("4","7","7","3","2","2","4","1") = "6"
    & skf21("4","7","7","3","2","2","5","1") = "6"
    & skf21("4","7","7","3","2","2","6","1") = "6"
    & skf21("4","7","7","3","2","2","7","1") = "6"
    & skf21("4","7","7","3","2","3","1","1") = "6"
    & skf21("4","7","7","3","2","3","2","1") = "6"
    & skf21("4","7","7","3","2","3","3","1") = "6"
    & skf21("4","7","7","3","2","3","4","1") = "6"
    & skf21("4","7","7","3","2","3","5","1") = "6"
    & skf21("4","7","7","3","2","3","6","1") = "6"
    & skf21("4","7","7","3","2","3","7","1") = "6"
    & skf21("4","7","7","3","2","4","1","1") = "6"
    & skf21("4","7","7","3","2","4","2","1") = "6"
    & skf21("4","7","7","3","2","4","3","1") = "6"
    & skf21("4","7","7","3","2","4","4","1") = "6"
    & skf21("4","7","7","3","2","4","5","1") = "6"
    & skf21("4","7","7","3","2","4","6","1") = "6"
    & skf21("4","7","7","3","2","4","7","1") = "6"
    & skf21("4","7","7","3","2","5","1","1") = "6"
    & skf21("4","7","7","3","2","5","2","1") = "6"
    & skf21("4","7","7","3","2","5","3","1") = "6"
    & skf21("4","7","7","3","2","5","4","1") = "6"
    & skf21("4","7","7","3","2","5","5","1") = "6"
    & skf21("4","7","7","3","2","5","6","1") = "6"
    & skf21("4","7","7","3","2","5","7","1") = "6"
    & skf21("4","7","7","3","2","6","1","1") = "6"
    & skf21("4","7","7","3","2","6","2","1") = "6"
    & skf21("4","7","7","3","2","6","3","1") = "6"
    & skf21("4","7","7","3","2","6","4","1") = "6"
    & skf21("4","7","7","3","2","6","5","1") = "6"
    & skf21("4","7","7","3","2","6","6","1") = "6"
    & skf21("4","7","7","3","2","6","7","1") = "6"
    & skf21("4","7","7","3","2","7","1","1") = "6"
    & skf21("4","7","7","3","2","7","2","1") = "6"
    & skf21("4","7","7","3","2","7","3","1") = "6"
    & skf21("4","7","7","3","2","7","4","1") = "6"
    & skf21("4","7","7","3","2","7","5","1") = "6"
    & skf21("4","7","7","3","2","7","6","1") = "6"
    & skf21("4","7","7","3","2","7","7","1") = "6"
    & skf21("4","7","7","3","3","1","1","1") = "6"
    & skf21("4","7","7","3","3","1","2","1") = "6"
    & skf21("4","7","7","3","3","1","3","1") = "6"
    & skf21("4","7","7","3","3","1","4","1") = "6"
    & skf21("4","7","7","3","3","1","5","1") = "6"
    & skf21("4","7","7","3","3","1","6","1") = "6"
    & skf21("4","7","7","3","3","1","7","1") = "6"
    & skf21("4","7","7","3","3","2","1","1") = "6"
    & skf21("4","7","7","3","3","2","2","1") = "6"
    & skf21("4","7","7","3","3","2","3","1") = "6"
    & skf21("4","7","7","3","3","2","4","1") = "6"
    & skf21("4","7","7","3","3","2","5","1") = "6"
    & skf21("4","7","7","3","3","2","6","1") = "6"
    & skf21("4","7","7","3","3","2","7","1") = "6"
    & skf21("4","7","7","3","3","3","1","1") = "6"
    & skf21("4","7","7","3","3","3","2","1") = "6"
    & skf21("4","7","7","3","3","3","3","1") = "6"
    & skf21("4","7","7","3","3","3","4","1") = "6"
    & skf21("4","7","7","3","3","3","5","1") = "6"
    & skf21("4","7","7","3","3","3","6","1") = "6"
    & skf21("4","7","7","3","3","3","7","1") = "6"
    & skf21("4","7","7","3","3","4","1","1") = "6"
    & skf21("4","7","7","3","3","4","2","1") = "6"
    & skf21("4","7","7","3","3","4","3","1") = "6"
    & skf21("4","7","7","3","3","4","4","1") = "6"
    & skf21("4","7","7","3","3","4","5","1") = "6"
    & skf21("4","7","7","3","3","4","6","1") = "6"
    & skf21("4","7","7","3","3","4","7","1") = "6"
    & skf21("4","7","7","3","3","5","1","1") = "6"
    & skf21("4","7","7","3","3","5","2","1") = "6"
    & skf21("4","7","7","3","3","5","3","1") = "6"
    & skf21("4","7","7","3","3","5","4","1") = "6"
    & skf21("4","7","7","3","3","5","5","1") = "6"
    & skf21("4","7","7","3","3","5","6","1") = "6"
    & skf21("4","7","7","3","3","5","7","1") = "6"
    & skf21("4","7","7","3","3","6","1","1") = "6"
    & skf21("4","7","7","3","3","6","2","1") = "6"
    & skf21("4","7","7","3","3","6","3","1") = "6"
    & skf21("4","7","7","3","3","6","4","1") = "6"
    & skf21("4","7","7","3","3","6","5","1") = "6"
    & skf21("4","7","7","3","3","6","6","1") = "6"
    & skf21("4","7","7","3","3","6","7","1") = "6"
    & skf21("4","7","7","3","3","7","1","1") = "6"
    & skf21("4","7","7","3","3","7","2","1") = "6"
    & skf21("4","7","7","3","3","7","3","1") = "6"
    & skf21("4","7","7","3","3","7","4","1") = "6"
    & skf21("4","7","7","3","3","7","5","1") = "6"
    & skf21("4","7","7","3","3","7","6","1") = "6"
    & skf21("4","7","7","3","3","7","7","1") = "6"
    & skf21("4","7","7","3","4","1","1","1") = "6"
    & skf21("4","7","7","3","4","1","2","1") = "6"
    & skf21("4","7","7","3","4","1","3","1") = "6"
    & skf21("4","7","7","3","4","1","4","1") = "6"
    & skf21("4","7","7","3","4","1","5","1") = "6"
    & skf21("4","7","7","3","4","1","6","1") = "6"
    & skf21("4","7","7","3","4","1","7","1") = "6"
    & skf21("4","7","7","3","4","2","1","1") = "6"
    & skf21("4","7","7","3","4","2","2","1") = "6"
    & skf21("4","7","7","3","4","2","3","1") = "6"
    & skf21("4","7","7","3","4","2","4","1") = "6"
    & skf21("4","7","7","3","4","2","5","1") = "6"
    & skf21("4","7","7","3","4","2","6","1") = "6"
    & skf21("4","7","7","3","4","2","7","1") = "6"
    & skf21("4","7","7","3","4","3","1","1") = "6"
    & skf21("4","7","7","3","4","3","2","1") = "6"
    & skf21("4","7","7","3","4","3","3","1") = "6"
    & skf21("4","7","7","3","4","3","4","1") = "6"
    & skf21("4","7","7","3","4","3","5","1") = "6"
    & skf21("4","7","7","3","4","3","6","1") = "6"
    & skf21("4","7","7","3","4","3","7","1") = "6"
    & skf21("4","7","7","3","4","4","1","1") = "6"
    & skf21("4","7","7","3","4","4","2","1") = "6"
    & skf21("4","7","7","3","4","4","3","1") = "6"
    & skf21("4","7","7","3","4","4","4","1") = "6"
    & skf21("4","7","7","3","4","4","5","1") = "6"
    & skf21("4","7","7","3","4","4","6","1") = "6"
    & skf21("4","7","7","3","4","4","7","1") = "6"
    & skf21("4","7","7","3","4","5","1","1") = "6"
    & skf21("4","7","7","3","4","5","2","1") = "6"
    & skf21("4","7","7","3","4","5","3","1") = "6"
    & skf21("4","7","7","3","4","5","4","1") = "6"
    & skf21("4","7","7","3","4","5","5","1") = "6"
    & skf21("4","7","7","3","4","5","6","1") = "6"
    & skf21("4","7","7","3","4","5","7","1") = "6"
    & skf21("4","7","7","3","4","6","1","1") = "6"
    & skf21("4","7","7","3","4","6","2","1") = "6"
    & skf21("4","7","7","3","4","6","3","1") = "6"
    & skf21("4","7","7","3","4","6","4","1") = "6"
    & skf21("4","7","7","3","4","6","5","1") = "6"
    & skf21("4","7","7","3","4","6","6","1") = "6"
    & skf21("4","7","7","3","4","6","7","1") = "6"
    & skf21("4","7","7","3","4","7","1","1") = "6"
    & skf21("4","7","7","3","4","7","2","1") = "6"
    & skf21("4","7","7","3","4","7","3","1") = "6"
    & skf21("4","7","7","3","4","7","4","1") = "6"
    & skf21("4","7","7","3","4","7","5","1") = "6"
    & skf21("4","7","7","3","4","7","6","1") = "6"
    & skf21("4","7","7","3","4","7","7","1") = "6"
    & skf21("4","7","7","3","5","1","1","1") = "6"
    & skf21("4","7","7","3","5","1","2","1") = "6"
    & skf21("4","7","7","3","5","1","3","1") = "6"
    & skf21("4","7","7","3","5","1","4","1") = "6"
    & skf21("4","7","7","3","5","1","5","1") = "6"
    & skf21("4","7","7","3","5","1","6","1") = "6"
    & skf21("4","7","7","3","5","1","7","1") = "6"
    & skf21("4","7","7","3","5","2","1","1") = "6"
    & skf21("4","7","7","3","5","2","2","1") = "6"
    & skf21("4","7","7","3","5","2","3","1") = "6"
    & skf21("4","7","7","3","5","2","4","1") = "6"
    & skf21("4","7","7","3","5","2","5","1") = "6"
    & skf21("4","7","7","3","5","2","6","1") = "6"
    & skf21("4","7","7","3","5","2","7","1") = "6"
    & skf21("4","7","7","3","5","3","1","1") = "6"
    & skf21("4","7","7","3","5","3","2","1") = "6"
    & skf21("4","7","7","3","5","3","3","1") = "6"
    & skf21("4","7","7","3","5","3","4","1") = "6"
    & skf21("4","7","7","3","5","3","5","1") = "6"
    & skf21("4","7","7","3","5","3","6","1") = "6"
    & skf21("4","7","7","3","5","3","7","1") = "6"
    & skf21("4","7","7","3","5","4","1","1") = "6"
    & skf21("4","7","7","3","5","4","2","1") = "6"
    & skf21("4","7","7","3","5","4","3","1") = "6"
    & skf21("4","7","7","3","5","4","4","1") = "6"
    & skf21("4","7","7","3","5","4","5","1") = "6"
    & skf21("4","7","7","3","5","4","6","1") = "6"
    & skf21("4","7","7","3","5","4","7","1") = "6"
    & skf21("4","7","7","3","5","5","1","1") = "6"
    & skf21("4","7","7","3","5","5","2","1") = "6"
    & skf21("4","7","7","3","5","5","3","1") = "6"
    & skf21("4","7","7","3","5","5","4","1") = "6"
    & skf21("4","7","7","3","5","5","5","1") = "6"
    & skf21("4","7","7","3","5","5","6","1") = "6"
    & skf21("4","7","7","3","5","5","7","1") = "6"
    & skf21("4","7","7","3","5","6","1","1") = "6"
    & skf21("4","7","7","3","5","6","2","1") = "6"
    & skf21("4","7","7","3","5","6","3","1") = "6"
    & skf21("4","7","7","3","5","6","4","1") = "6"
    & skf21("4","7","7","3","5","6","5","1") = "6"
    & skf21("4","7","7","3","5","6","6","1") = "6"
    & skf21("4","7","7","3","5","6","7","1") = "6"
    & skf21("4","7","7","3","5","7","1","1") = "6"
    & skf21("4","7","7","3","5","7","2","1") = "6"
    & skf21("4","7","7","3","5","7","3","1") = "6"
    & skf21("4","7","7","3","5","7","4","1") = "6"
    & skf21("4","7","7","3","5","7","5","1") = "6"
    & skf21("4","7","7","3","5","7","6","1") = "6"
    & skf21("4","7","7","3","5","7","7","1") = "6"
    & skf21("4","7","7","3","6","1","1","1") = "6"
    & skf21("4","7","7","3","6","1","2","1") = "6"
    & skf21("4","7","7","3","6","1","3","1") = "6"
    & skf21("4","7","7","3","6","1","4","1") = "6"
    & skf21("4","7","7","3","6","1","5","1") = "6"
    & skf21("4","7","7","3","6","1","6","1") = "6"
    & skf21("4","7","7","3","6","1","7","1") = "6"
    & skf21("4","7","7","3","6","2","1","1") = "6"
    & skf21("4","7","7","3","6","2","2","1") = "6"
    & skf21("4","7","7","3","6","2","3","1") = "6"
    & skf21("4","7","7","3","6","2","4","1") = "6"
    & skf21("4","7","7","3","6","2","5","1") = "6"
    & skf21("4","7","7","3","6","2","6","1") = "6"
    & skf21("4","7","7","3","6","2","7","1") = "6"
    & skf21("4","7","7","3","6","3","1","1") = "6"
    & skf21("4","7","7","3","6","3","2","1") = "6"
    & skf21("4","7","7","3","6","3","3","1") = "6"
    & skf21("4","7","7","3","6","3","4","1") = "6"
    & skf21("4","7","7","3","6","3","5","1") = "6"
    & skf21("4","7","7","3","6","3","6","1") = "6"
    & skf21("4","7","7","3","6","3","7","1") = "6"
    & skf21("4","7","7","3","6","4","1","1") = "6"
    & skf21("4","7","7","3","6","4","2","1") = "6"
    & skf21("4","7","7","3","6","4","3","1") = "6"
    & skf21("4","7","7","3","6","4","4","1") = "6"
    & skf21("4","7","7","3","6","4","5","1") = "6"
    & skf21("4","7","7","3","6","4","6","1") = "6"
    & skf21("4","7","7","3","6","4","7","1") = "6"
    & skf21("4","7","7","3","6","5","1","1") = "6"
    & skf21("4","7","7","3","6","5","2","1") = "6"
    & skf21("4","7","7","3","6","5","3","1") = "6"
    & skf21("4","7","7","3","6","5","4","1") = "6"
    & skf21("4","7","7","3","6","5","5","1") = "6"
    & skf21("4","7","7","3","6","5","6","1") = "6"
    & skf21("4","7","7","3","6","5","7","1") = "6"
    & skf21("4","7","7","3","6","6","1","1") = "6"
    & skf21("4","7","7","3","6","6","2","1") = "6"
    & skf21("4","7","7","3","6","6","3","1") = "6"
    & skf21("4","7","7","3","6","6","4","1") = "6"
    & skf21("4","7","7","3","6","6","5","1") = "6"
    & skf21("4","7","7","3","6","6","6","1") = "6"
    & skf21("4","7","7","3","6","6","7","1") = "6"
    & skf21("4","7","7","3","6","7","1","1") = "6"
    & skf21("4","7","7","3","6","7","2","1") = "6"
    & skf21("4","7","7","3","6","7","3","1") = "6"
    & skf21("4","7","7","3","6","7","4","1") = "6"
    & skf21("4","7","7","3","6","7","5","1") = "6"
    & skf21("4","7","7","3","6","7","6","1") = "6"
    & skf21("4","7","7","3","6","7","7","1") = "6"
    & skf21("4","7","7","3","7","1","1","1") = "6"
    & skf21("4","7","7","3","7","1","2","1") = "6"
    & skf21("4","7","7","3","7","1","3","1") = "6"
    & skf21("4","7","7","3","7","1","4","1") = "6"
    & skf21("4","7","7","3","7","1","5","1") = "6"
    & skf21("4","7","7","3","7","1","6","1") = "6"
    & skf21("4","7","7","3","7","1","7","1") = "6"
    & skf21("4","7","7","3","7","2","1","1") = "6"
    & skf21("4","7","7","3","7","2","2","1") = "6"
    & skf21("4","7","7","3","7","2","3","1") = "6"
    & skf21("4","7","7","3","7","2","4","1") = "6"
    & skf21("4","7","7","3","7","2","5","1") = "6"
    & skf21("4","7","7","3","7","2","6","1") = "6"
    & skf21("4","7","7","3","7","2","7","1") = "6"
    & skf21("4","7","7","3","7","3","1","1") = "6"
    & skf21("4","7","7","3","7","3","2","1") = "6"
    & skf21("4","7","7","3","7","3","3","1") = "6"
    & skf21("4","7","7","3","7","3","4","1") = "6"
    & skf21("4","7","7","3","7","3","5","1") = "6"
    & skf21("4","7","7","3","7","3","6","1") = "6"
    & skf21("4","7","7","3","7","3","7","1") = "6"
    & skf21("4","7","7","3","7","4","1","1") = "6"
    & skf21("4","7","7","3","7","4","2","1") = "6"
    & skf21("4","7","7","3","7","4","3","1") = "6"
    & skf21("4","7","7","3","7","4","4","1") = "6"
    & skf21("4","7","7","3","7","4","5","1") = "6"
    & skf21("4","7","7","3","7","4","6","1") = "6"
    & skf21("4","7","7","3","7","4","7","1") = "6"
    & skf21("4","7","7","3","7","5","1","1") = "6"
    & skf21("4","7","7","3","7","5","2","1") = "6"
    & skf21("4","7","7","3","7","5","3","1") = "6"
    & skf21("4","7","7","3","7","5","4","1") = "6"
    & skf21("4","7","7","3","7","5","5","1") = "6"
    & skf21("4","7","7","3","7","5","6","1") = "6"
    & skf21("4","7","7","3","7","5","7","1") = "6"
    & skf21("4","7","7","3","7","6","1","1") = "6"
    & skf21("4","7","7","3","7","6","2","1") = "6"
    & skf21("4","7","7","3","7","6","3","1") = "6"
    & skf21("4","7","7","3","7","6","4","1") = "6"
    & skf21("4","7","7","3","7","6","5","1") = "6"
    & skf21("4","7","7","3","7","6","6","1") = "6"
    & skf21("4","7","7","3","7","6","7","1") = "6"
    & skf21("4","7","7","3","7","7","1","1") = "6"
    & skf21("4","7","7","3","7","7","2","1") = "6"
    & skf21("4","7","7","3","7","7","3","1") = "6"
    & skf21("4","7","7","3","7","7","4","1") = "6"
    & skf21("4","7","7","3","7","7","5","1") = "6"
    & skf21("4","7","7","3","7","7","6","1") = "6"
    & skf21("4","7","7","3","7","7","7","1") = "6"
    & skf21("4","7","7","4","1","1","1","1") = "6"
    & skf21("4","7","7","4","1","1","2","1") = "6"
    & skf21("4","7","7","4","1","1","3","1") = "6"
    & skf21("4","7","7","4","1","1","4","1") = "6"
    & skf21("4","7","7","4","1","1","5","1") = "6"
    & skf21("4","7","7","4","1","1","6","1") = "6"
    & skf21("4","7","7","4","1","1","7","1") = "6"
    & skf21("4","7","7","4","1","2","1","1") = "6"
    & skf21("4","7","7","4","1","2","2","1") = "6"
    & skf21("4","7","7","4","1","2","3","1") = "6"
    & skf21("4","7","7","4","1","2","4","1") = "6"
    & skf21("4","7","7","4","1","2","5","1") = "6"
    & skf21("4","7","7","4","1","2","6","1") = "6"
    & skf21("4","7","7","4","1","2","7","1") = "6"
    & skf21("4","7","7","4","1","3","1","1") = "6"
    & skf21("4","7","7","4","1","3","2","1") = "6"
    & skf21("4","7","7","4","1","3","3","1") = "6"
    & skf21("4","7","7","4","1","3","4","1") = "6"
    & skf21("4","7","7","4","1","3","5","1") = "6"
    & skf21("4","7","7","4","1","3","6","1") = "6"
    & skf21("4","7","7","4","1","3","7","1") = "6"
    & skf21("4","7","7","4","1","4","1","1") = "6"
    & skf21("4","7","7","4","1","4","2","1") = "6"
    & skf21("4","7","7","4","1","4","3","1") = "6"
    & skf21("4","7","7","4","1","4","4","1") = "6"
    & skf21("4","7","7","4","1","4","5","1") = "6"
    & skf21("4","7","7","4","1","4","6","1") = "6"
    & skf21("4","7","7","4","1","4","7","1") = "6"
    & skf21("4","7","7","4","1","5","1","1") = "6"
    & skf21("4","7","7","4","1","5","2","1") = "6"
    & skf21("4","7","7","4","1","5","3","1") = "6"
    & skf21("4","7","7","4","1","5","4","1") = "6"
    & skf21("4","7","7","4","1","5","5","1") = "6"
    & skf21("4","7","7","4","1","5","6","1") = "6"
    & skf21("4","7","7","4","1","5","7","1") = "6"
    & skf21("4","7","7","4","1","6","1","1") = "6"
    & skf21("4","7","7","4","1","6","2","1") = "6"
    & skf21("4","7","7","4","1","6","3","1") = "6"
    & skf21("4","7","7","4","1","6","4","1") = "6"
    & skf21("4","7","7","4","1","6","5","1") = "6"
    & skf21("4","7","7","4","1","6","6","1") = "6"
    & skf21("4","7","7","4","1","6","7","1") = "6"
    & skf21("4","7","7","4","1","7","1","1") = "6"
    & skf21("4","7","7","4","1","7","2","1") = "6"
    & skf21("4","7","7","4","1","7","3","1") = "6"
    & skf21("4","7","7","4","1","7","4","1") = "6"
    & skf21("4","7","7","4","1","7","5","1") = "6"
    & skf21("4","7","7","4","1","7","6","1") = "6"
    & skf21("4","7","7","4","1","7","7","1") = "6"
    & skf21("4","7","7","4","2","1","1","1") = "6"
    & skf21("4","7","7","4","2","1","2","1") = "6"
    & skf21("4","7","7","4","2","1","3","1") = "6"
    & skf21("4","7","7","4","2","1","4","1") = "6"
    & skf21("4","7","7","4","2","1","5","1") = "6"
    & skf21("4","7","7","4","2","1","6","1") = "6"
    & skf21("4","7","7","4","2","1","7","1") = "6"
    & skf21("4","7","7","4","2","2","1","1") = "6"
    & skf21("4","7","7","4","2","2","2","1") = "6"
    & skf21("4","7","7","4","2","2","3","1") = "6"
    & skf21("4","7","7","4","2","2","4","1") = "6"
    & skf21("4","7","7","4","2","2","5","1") = "6"
    & skf21("4","7","7","4","2","2","6","1") = "6"
    & skf21("4","7","7","4","2","2","7","1") = "6"
    & skf21("4","7","7","4","2","3","1","1") = "6"
    & skf21("4","7","7","4","2","3","2","1") = "6"
    & skf21("4","7","7","4","2","3","3","1") = "6"
    & skf21("4","7","7","4","2","3","4","1") = "6"
    & skf21("4","7","7","4","2","3","5","1") = "6"
    & skf21("4","7","7","4","2","3","6","1") = "6"
    & skf21("4","7","7","4","2","3","7","1") = "6"
    & skf21("4","7","7","4","2","4","1","1") = "6"
    & skf21("4","7","7","4","2","4","2","1") = "6"
    & skf21("4","7","7","4","2","4","3","1") = "6"
    & skf21("4","7","7","4","2","4","4","1") = "6"
    & skf21("4","7","7","4","2","4","5","1") = "6"
    & skf21("4","7","7","4","2","4","6","1") = "6"
    & skf21("4","7","7","4","2","4","7","1") = "6"
    & skf21("4","7","7","4","2","5","1","1") = "6"
    & skf21("4","7","7","4","2","5","2","1") = "6"
    & skf21("4","7","7","4","2","5","3","1") = "6"
    & skf21("4","7","7","4","2","5","4","1") = "6"
    & skf21("4","7","7","4","2","5","5","1") = "6"
    & skf21("4","7","7","4","2","5","6","1") = "6"
    & skf21("4","7","7","4","2","5","7","1") = "6"
    & skf21("4","7","7","4","2","6","1","1") = "6"
    & skf21("4","7","7","4","2","6","2","1") = "6"
    & skf21("4","7","7","4","2","6","3","1") = "6"
    & skf21("4","7","7","4","2","6","4","1") = "6"
    & skf21("4","7","7","4","2","6","5","1") = "6"
    & skf21("4","7","7","4","2","6","6","1") = "6"
    & skf21("4","7","7","4","2","6","7","1") = "6"
    & skf21("4","7","7","4","2","7","1","1") = "6"
    & skf21("4","7","7","4","2","7","2","1") = "6"
    & skf21("4","7","7","4","2","7","3","1") = "6"
    & skf21("4","7","7","4","2","7","4","1") = "6"
    & skf21("4","7","7","4","2","7","5","1") = "6"
    & skf21("4","7","7","4","2","7","6","1") = "6"
    & skf21("4","7","7","4","2","7","7","1") = "6"
    & skf21("4","7","7","4","3","1","1","1") = "6"
    & skf21("4","7","7","4","3","1","2","1") = "6"
    & skf21("4","7","7","4","3","1","3","1") = "6"
    & skf21("4","7","7","4","3","1","4","1") = "6"
    & skf21("4","7","7","4","3","1","5","1") = "6"
    & skf21("4","7","7","4","3","1","6","1") = "6"
    & skf21("4","7","7","4","3","1","7","1") = "6"
    & skf21("4","7","7","4","3","2","1","1") = "6"
    & skf21("4","7","7","4","3","2","2","1") = "6"
    & skf21("4","7","7","4","3","2","3","1") = "6"
    & skf21("4","7","7","4","3","2","4","1") = "6"
    & skf21("4","7","7","4","3","2","5","1") = "6"
    & skf21("4","7","7","4","3","2","6","1") = "6"
    & skf21("4","7","7","4","3","2","7","1") = "6"
    & skf21("4","7","7","4","3","3","1","1") = "6"
    & skf21("4","7","7","4","3","3","2","1") = "6"
    & skf21("4","7","7","4","3","3","3","1") = "6"
    & skf21("4","7","7","4","3","3","4","1") = "6"
    & skf21("4","7","7","4","3","3","5","1") = "6"
    & skf21("4","7","7","4","3","3","6","1") = "6"
    & skf21("4","7","7","4","3","3","7","1") = "6"
    & skf21("4","7","7","4","3","4","1","1") = "6"
    & skf21("4","7","7","4","3","4","2","1") = "6"
    & skf21("4","7","7","4","3","4","3","1") = "6"
    & skf21("4","7","7","4","3","4","4","1") = "6"
    & skf21("4","7","7","4","3","4","5","1") = "6"
    & skf21("4","7","7","4","3","4","6","1") = "6"
    & skf21("4","7","7","4","3","4","7","1") = "6"
    & skf21("4","7","7","4","3","5","1","1") = "6"
    & skf21("4","7","7","4","3","5","2","1") = "6"
    & skf21("4","7","7","4","3","5","3","1") = "6"
    & skf21("4","7","7","4","3","5","4","1") = "6"
    & skf21("4","7","7","4","3","5","5","1") = "6"
    & skf21("4","7","7","4","3","5","6","1") = "6"
    & skf21("4","7","7","4","3","5","7","1") = "6"
    & skf21("4","7","7","4","3","6","1","1") = "6"
    & skf21("4","7","7","4","3","6","2","1") = "6"
    & skf21("4","7","7","4","3","6","3","1") = "6"
    & skf21("4","7","7","4","3","6","4","1") = "6"
    & skf21("4","7","7","4","3","6","5","1") = "6"
    & skf21("4","7","7","4","3","6","6","1") = "6"
    & skf21("4","7","7","4","3","6","7","1") = "6"
    & skf21("4","7","7","4","3","7","1","1") = "6"
    & skf21("4","7","7","4","3","7","2","1") = "6"
    & skf21("4","7","7","4","3","7","3","1") = "6"
    & skf21("4","7","7","4","3","7","4","1") = "6"
    & skf21("4","7","7","4","3","7","5","1") = "6"
    & skf21("4","7","7","4","3","7","6","1") = "6"
    & skf21("4","7","7","4","3","7","7","1") = "6"
    & skf21("4","7","7","4","4","1","1","1") = "6"
    & skf21("4","7","7","4","4","1","2","1") = "6"
    & skf21("4","7","7","4","4","1","3","1") = "6"
    & skf21("4","7","7","4","4","1","4","1") = "6"
    & skf21("4","7","7","4","4","1","5","1") = "6"
    & skf21("4","7","7","4","4","1","6","1") = "6"
    & skf21("4","7","7","4","4","1","7","1") = "6"
    & skf21("4","7","7","4","4","2","1","1") = "6"
    & skf21("4","7","7","4","4","2","2","1") = "6"
    & skf21("4","7","7","4","4","2","3","1") = "6"
    & skf21("4","7","7","4","4","2","4","1") = "6"
    & skf21("4","7","7","4","4","2","5","1") = "6"
    & skf21("4","7","7","4","4","2","6","1") = "6"
    & skf21("4","7","7","4","4","2","7","1") = "6"
    & skf21("4","7","7","4","4","3","1","1") = "6"
    & skf21("4","7","7","4","4","3","2","1") = "6"
    & skf21("4","7","7","4","4","3","3","1") = "6"
    & skf21("4","7","7","4","4","3","4","1") = "6"
    & skf21("4","7","7","4","4","3","5","1") = "6"
    & skf21("4","7","7","4","4","3","6","1") = "6"
    & skf21("4","7","7","4","4","3","7","1") = "6"
    & skf21("4","7","7","4","4","4","1","1") = "6"
    & skf21("4","7","7","4","4","4","2","1") = "6"
    & skf21("4","7","7","4","4","4","3","1") = "6"
    & skf21("4","7","7","4","4","4","4","1") = "6"
    & skf21("4","7","7","4","4","4","5","1") = "6"
    & skf21("4","7","7","4","4","4","6","1") = "6"
    & skf21("4","7","7","4","4","4","7","1") = "6"
    & skf21("4","7","7","4","4","5","1","1") = "6"
    & skf21("4","7","7","4","4","5","2","1") = "6"
    & skf21("4","7","7","4","4","5","3","1") = "6"
    & skf21("4","7","7","4","4","5","4","1") = "6"
    & skf21("4","7","7","4","4","5","5","1") = "6"
    & skf21("4","7","7","4","4","5","6","1") = "6"
    & skf21("4","7","7","4","4","5","7","1") = "6"
    & skf21("4","7","7","4","4","6","1","1") = "6"
    & skf21("4","7","7","4","4","6","2","1") = "6"
    & skf21("4","7","7","4","4","6","3","1") = "6"
    & skf21("4","7","7","4","4","6","4","1") = "6"
    & skf21("4","7","7","4","4","6","5","1") = "6"
    & skf21("4","7","7","4","4","6","6","1") = "6"
    & skf21("4","7","7","4","4","6","7","1") = "6"
    & skf21("4","7","7","4","4","7","1","1") = "6"
    & skf21("4","7","7","4","4","7","2","1") = "6"
    & skf21("4","7","7","4","4","7","3","1") = "6"
    & skf21("4","7","7","4","4","7","4","1") = "6"
    & skf21("4","7","7","4","4","7","5","1") = "6"
    & skf21("4","7","7","4","4","7","6","1") = "6"
    & skf21("4","7","7","4","4","7","7","1") = "6"
    & skf21("4","7","7","4","5","1","1","1") = "6"
    & skf21("4","7","7","4","5","1","2","1") = "6"
    & skf21("4","7","7","4","5","1","3","1") = "6"
    & skf21("4","7","7","4","5","1","4","1") = "6"
    & skf21("4","7","7","4","5","1","5","1") = "6"
    & skf21("4","7","7","4","5","1","6","1") = "6"
    & skf21("4","7","7","4","5","1","7","1") = "6"
    & skf21("4","7","7","4","5","2","1","1") = "6"
    & skf21("4","7","7","4","5","2","2","1") = "6"
    & skf21("4","7","7","4","5","2","3","1") = "6"
    & skf21("4","7","7","4","5","2","4","1") = "6"
    & skf21("4","7","7","4","5","2","5","1") = "6"
    & skf21("4","7","7","4","5","2","6","1") = "6"
    & skf21("4","7","7","4","5","2","7","1") = "6"
    & skf21("4","7","7","4","5","3","1","1") = "6"
    & skf21("4","7","7","4","5","3","2","1") = "6"
    & skf21("4","7","7","4","5","3","3","1") = "6"
    & skf21("4","7","7","4","5","3","4","1") = "6"
    & skf21("4","7","7","4","5","3","5","1") = "6"
    & skf21("4","7","7","4","5","3","6","1") = "6"
    & skf21("4","7","7","4","5","3","7","1") = "6"
    & skf21("4","7","7","4","5","4","1","1") = "6"
    & skf21("4","7","7","4","5","4","2","1") = "6"
    & skf21("4","7","7","4","5","4","3","1") = "6"
    & skf21("4","7","7","4","5","4","4","1") = "6"
    & skf21("4","7","7","4","5","4","5","1") = "6"
    & skf21("4","7","7","4","5","4","6","1") = "6"
    & skf21("4","7","7","4","5","4","7","1") = "6"
    & skf21("4","7","7","4","5","5","1","1") = "6"
    & skf21("4","7","7","4","5","5","2","1") = "6"
    & skf21("4","7","7","4","5","5","3","1") = "6"
    & skf21("4","7","7","4","5","5","4","1") = "6"
    & skf21("4","7","7","4","5","5","5","1") = "6"
    & skf21("4","7","7","4","5","5","6","1") = "6"
    & skf21("4","7","7","4","5","5","7","1") = "6"
    & skf21("4","7","7","4","5","6","1","1") = "6"
    & skf21("4","7","7","4","5","6","2","1") = "6"
    & skf21("4","7","7","4","5","6","3","1") = "6"
    & skf21("4","7","7","4","5","6","4","1") = "6"
    & skf21("4","7","7","4","5","6","5","1") = "6"
    & skf21("4","7","7","4","5","6","6","1") = "6"
    & skf21("4","7","7","4","5","6","7","1") = "6"
    & skf21("4","7","7","4","5","7","1","1") = "6"
    & skf21("4","7","7","4","5","7","2","1") = "6"
    & skf21("4","7","7","4","5","7","3","1") = "6"
    & skf21("4","7","7","4","5","7","4","1") = "6"
    & skf21("4","7","7","4","5","7","5","1") = "6"
    & skf21("4","7","7","4","5","7","6","1") = "6"
    & skf21("4","7","7","4","5","7","7","1") = "6"
    & skf21("4","7","7","4","6","1","1","1") = "6"
    & skf21("4","7","7","4","6","1","2","1") = "6"
    & skf21("4","7","7","4","6","1","3","1") = "6"
    & skf21("4","7","7","4","6","1","4","1") = "6"
    & skf21("4","7","7","4","6","1","5","1") = "6"
    & skf21("4","7","7","4","6","1","6","1") = "6"
    & skf21("4","7","7","4","6","1","7","1") = "6"
    & skf21("4","7","7","4","6","2","1","1") = "6"
    & skf21("4","7","7","4","6","2","2","1") = "6"
    & skf21("4","7","7","4","6","2","3","1") = "6"
    & skf21("4","7","7","4","6","2","4","1") = "6"
    & skf21("4","7","7","4","6","2","5","1") = "6"
    & skf21("4","7","7","4","6","2","6","1") = "6"
    & skf21("4","7","7","4","6","2","7","1") = "6"
    & skf21("4","7","7","4","6","3","1","1") = "6"
    & skf21("4","7","7","4","6","3","2","1") = "6"
    & skf21("4","7","7","4","6","3","3","1") = "6"
    & skf21("4","7","7","4","6","3","4","1") = "6"
    & skf21("4","7","7","4","6","3","5","1") = "6"
    & skf21("4","7","7","4","6","3","6","1") = "6"
    & skf21("4","7","7","4","6","3","7","1") = "6"
    & skf21("4","7","7","4","6","4","1","1") = "6"
    & skf21("4","7","7","4","6","4","2","1") = "6"
    & skf21("4","7","7","4","6","4","3","1") = "6"
    & skf21("4","7","7","4","6","4","4","1") = "6"
    & skf21("4","7","7","4","6","4","5","1") = "6"
    & skf21("4","7","7","4","6","4","6","1") = "6"
    & skf21("4","7","7","4","6","4","7","1") = "6"
    & skf21("4","7","7","4","6","5","1","1") = "6"
    & skf21("4","7","7","4","6","5","2","1") = "6"
    & skf21("4","7","7","4","6","5","3","1") = "6"
    & skf21("4","7","7","4","6","5","4","1") = "6"
    & skf21("4","7","7","4","6","5","5","1") = "6"
    & skf21("4","7","7","4","6","5","6","1") = "6"
    & skf21("4","7","7","4","6","5","7","1") = "6"
    & skf21("4","7","7","4","6","6","1","1") = "6"
    & skf21("4","7","7","4","6","6","2","1") = "6"
    & skf21("4","7","7","4","6","6","3","1") = "6"
    & skf21("4","7","7","4","6","6","4","1") = "6"
    & skf21("4","7","7","4","6","6","5","1") = "6"
    & skf21("4","7","7","4","6","6","6","1") = "6"
    & skf21("4","7","7","4","6","6","7","1") = "6"
    & skf21("4","7","7","4","6","7","1","1") = "6"
    & skf21("4","7","7","4","6","7","2","1") = "6"
    & skf21("4","7","7","4","6","7","3","1") = "6"
    & skf21("4","7","7","4","6","7","4","1") = "6"
    & skf21("4","7","7","4","6","7","5","1") = "6"
    & skf21("4","7","7","4","6","7","6","1") = "6"
    & skf21("4","7","7","4","6","7","7","1") = "6"
    & skf21("4","7","7","4","7","1","1","1") = "6"
    & skf21("4","7","7","4","7","1","2","1") = "6"
    & skf21("4","7","7","4","7","1","3","1") = "6"
    & skf21("4","7","7","4","7","1","4","1") = "6"
    & skf21("4","7","7","4","7","1","5","1") = "6"
    & skf21("4","7","7","4","7","1","6","1") = "6"
    & skf21("4","7","7","4","7","1","7","1") = "6"
    & skf21("4","7","7","4","7","2","1","1") = "6"
    & skf21("4","7","7","4","7","2","2","1") = "6"
    & skf21("4","7","7","4","7","2","3","1") = "6"
    & skf21("4","7","7","4","7","2","4","1") = "6"
    & skf21("4","7","7","4","7","2","5","1") = "6"
    & skf21("4","7","7","4","7","2","6","1") = "6"
    & skf21("4","7","7","4","7","2","7","1") = "6"
    & skf21("4","7","7","4","7","3","1","1") = "6"
    & skf21("4","7","7","4","7","3","2","1") = "6"
    & skf21("4","7","7","4","7","3","3","1") = "6"
    & skf21("4","7","7","4","7","3","4","1") = "6"
    & skf21("4","7","7","4","7","3","5","1") = "6"
    & skf21("4","7","7","4","7","3","6","1") = "6"
    & skf21("4","7","7","4","7","3","7","1") = "6"
    & skf21("4","7","7","4","7","4","1","1") = "6"
    & skf21("4","7","7","4","7","4","2","1") = "6"
    & skf21("4","7","7","4","7","4","3","1") = "6"
    & skf21("4","7","7","4","7","4","4","1") = "6"
    & skf21("4","7","7","4","7","4","5","1") = "6"
    & skf21("4","7","7","4","7","4","6","1") = "6"
    & skf21("4","7","7","4","7","4","7","1") = "6"
    & skf21("4","7","7","4","7","5","1","1") = "6"
    & skf21("4","7","7","4","7","5","2","1") = "6"
    & skf21("4","7","7","4","7","5","3","1") = "6"
    & skf21("4","7","7","4","7","5","4","1") = "6"
    & skf21("4","7","7","4","7","5","5","1") = "6"
    & skf21("4","7","7","4","7","5","6","1") = "6"
    & skf21("4","7","7","4","7","5","7","1") = "6"
    & skf21("4","7","7","4","7","6","1","1") = "6"
    & skf21("4","7","7","4","7","6","2","1") = "6"
    & skf21("4","7","7","4","7","6","3","1") = "6"
    & skf21("4","7","7","4","7","6","4","1") = "6"
    & skf21("4","7","7","4","7","6","5","1") = "6"
    & skf21("4","7","7","4","7","6","6","1") = "6"
    & skf21("4","7","7","4","7","6","7","1") = "6"
    & skf21("4","7","7","4","7","7","1","1") = "6"
    & skf21("4","7","7","4","7","7","2","1") = "6"
    & skf21("4","7","7","4","7","7","3","1") = "6"
    & skf21("4","7","7","4","7","7","4","1") = "6"
    & skf21("4","7","7","4","7","7","5","1") = "6"
    & skf21("4","7","7","4","7","7","6","1") = "6"
    & skf21("4","7","7","4","7","7","7","1") = "6"
    & skf21("4","7","7","5","1","1","1","1") = "6"
    & skf21("4","7","7","5","1","1","2","1") = "6"
    & skf21("4","7","7","5","1","1","3","1") = "6"
    & skf21("4","7","7","5","1","1","4","1") = "6"
    & skf21("4","7","7","5","1","1","5","1") = "6"
    & skf21("4","7","7","5","1","1","6","1") = "6"
    & skf21("4","7","7","5","1","1","7","1") = "6"
    & skf21("4","7","7","5","1","2","1","1") = "6"
    & skf21("4","7","7","5","1","2","2","1") = "6"
    & skf21("4","7","7","5","1","2","3","1") = "6"
    & skf21("4","7","7","5","1","2","4","1") = "6"
    & skf21("4","7","7","5","1","2","5","1") = "6"
    & skf21("4","7","7","5","1","2","6","1") = "6"
    & skf21("4","7","7","5","1","2","7","1") = "6"
    & skf21("4","7","7","5","1","3","1","1") = "6"
    & skf21("4","7","7","5","1","3","2","1") = "6"
    & skf21("4","7","7","5","1","3","3","1") = "6"
    & skf21("4","7","7","5","1","3","4","1") = "6"
    & skf21("4","7","7","5","1","3","5","1") = "6"
    & skf21("4","7","7","5","1","3","6","1") = "6"
    & skf21("4","7","7","5","1","3","7","1") = "6"
    & skf21("4","7","7","5","1","4","1","1") = "6"
    & skf21("4","7","7","5","1","4","2","1") = "6"
    & skf21("4","7","7","5","1","4","3","1") = "6"
    & skf21("4","7","7","5","1","4","4","1") = "6"
    & skf21("4","7","7","5","1","4","5","1") = "6"
    & skf21("4","7","7","5","1","4","6","1") = "6"
    & skf21("4","7","7","5","1","4","7","1") = "6"
    & skf21("4","7","7","5","1","5","1","1") = "6"
    & skf21("4","7","7","5","1","5","2","1") = "6"
    & skf21("4","7","7","5","1","5","3","1") = "6"
    & skf21("4","7","7","5","1","5","4","1") = "6"
    & skf21("4","7","7","5","1","5","5","1") = "6"
    & skf21("4","7","7","5","1","5","6","1") = "6"
    & skf21("4","7","7","5","1","5","7","1") = "6"
    & skf21("4","7","7","5","1","6","1","1") = "6"
    & skf21("4","7","7","5","1","6","2","1") = "6"
    & skf21("4","7","7","5","1","6","3","1") = "6"
    & skf21("4","7","7","5","1","6","4","1") = "6"
    & skf21("4","7","7","5","1","6","5","1") = "6"
    & skf21("4","7","7","5","1","6","6","1") = "6"
    & skf21("4","7","7","5","1","6","7","1") = "6"
    & skf21("4","7","7","5","1","7","1","1") = "6"
    & skf21("4","7","7","5","1","7","2","1") = "6"
    & skf21("4","7","7","5","1","7","3","1") = "6"
    & skf21("4","7","7","5","1","7","4","1") = "6"
    & skf21("4","7","7","5","1","7","5","1") = "6"
    & skf21("4","7","7","5","1","7","6","1") = "6"
    & skf21("4","7","7","5","1","7","7","1") = "6"
    & skf21("4","7","7","5","2","1","1","1") = "6"
    & skf21("4","7","7","5","2","1","2","1") = "6"
    & skf21("4","7","7","5","2","1","3","1") = "6"
    & skf21("4","7","7","5","2","1","4","1") = "6"
    & skf21("4","7","7","5","2","1","5","1") = "6"
    & skf21("4","7","7","5","2","1","6","1") = "6"
    & skf21("4","7","7","5","2","1","7","1") = "6"
    & skf21("4","7","7","5","2","2","1","1") = "6"
    & skf21("4","7","7","5","2","2","2","1") = "6"
    & skf21("4","7","7","5","2","2","3","1") = "6"
    & skf21("4","7","7","5","2","2","4","1") = "6"
    & skf21("4","7","7","5","2","2","5","1") = "6"
    & skf21("4","7","7","5","2","2","6","1") = "6"
    & skf21("4","7","7","5","2","2","7","1") = "6"
    & skf21("4","7","7","5","2","3","1","1") = "6"
    & skf21("4","7","7","5","2","3","2","1") = "6"
    & skf21("4","7","7","5","2","3","3","1") = "6"
    & skf21("4","7","7","5","2","3","4","1") = "6"
    & skf21("4","7","7","5","2","3","5","1") = "6"
    & skf21("4","7","7","5","2","3","6","1") = "6"
    & skf21("4","7","7","5","2","3","7","1") = "6"
    & skf21("4","7","7","5","2","4","1","1") = "6"
    & skf21("4","7","7","5","2","4","2","1") = "6"
    & skf21("4","7","7","5","2","4","3","1") = "6"
    & skf21("4","7","7","5","2","4","4","1") = "6"
    & skf21("4","7","7","5","2","4","5","1") = "6"
    & skf21("4","7","7","5","2","4","6","1") = "6"
    & skf21("4","7","7","5","2","4","7","1") = "6"
    & skf21("4","7","7","5","2","5","1","1") = "6"
    & skf21("4","7","7","5","2","5","2","1") = "6"
    & skf21("4","7","7","5","2","5","3","1") = "6"
    & skf21("4","7","7","5","2","5","4","1") = "6"
    & skf21("4","7","7","5","2","5","5","1") = "6"
    & skf21("4","7","7","5","2","5","6","1") = "6"
    & skf21("4","7","7","5","2","5","7","1") = "6"
    & skf21("4","7","7","5","2","6","1","1") = "6"
    & skf21("4","7","7","5","2","6","2","1") = "6"
    & skf21("4","7","7","5","2","6","3","1") = "6"
    & skf21("4","7","7","5","2","6","4","1") = "6"
    & skf21("4","7","7","5","2","6","5","1") = "6"
    & skf21("4","7","7","5","2","6","6","1") = "6"
    & skf21("4","7","7","5","2","6","7","1") = "6"
    & skf21("4","7","7","5","2","7","1","1") = "6"
    & skf21("4","7","7","5","2","7","2","1") = "6"
    & skf21("4","7","7","5","2","7","3","1") = "6"
    & skf21("4","7","7","5","2","7","4","1") = "6"
    & skf21("4","7","7","5","2","7","5","1") = "6"
    & skf21("4","7","7","5","2","7","6","1") = "6"
    & skf21("4","7","7","5","2","7","7","1") = "6"
    & skf21("4","7","7","5","3","1","1","1") = "6"
    & skf21("4","7","7","5","3","1","2","1") = "6"
    & skf21("4","7","7","5","3","1","3","1") = "6"
    & skf21("4","7","7","5","3","1","4","1") = "6"
    & skf21("4","7","7","5","3","1","5","1") = "6"
    & skf21("4","7","7","5","3","1","6","1") = "6"
    & skf21("4","7","7","5","3","1","7","1") = "6"
    & skf21("4","7","7","5","3","2","1","1") = "6"
    & skf21("4","7","7","5","3","2","2","1") = "6"
    & skf21("4","7","7","5","3","2","3","1") = "6"
    & skf21("4","7","7","5","3","2","4","1") = "6"
    & skf21("4","7","7","5","3","2","5","1") = "6"
    & skf21("4","7","7","5","3","2","6","1") = "6"
    & skf21("4","7","7","5","3","2","7","1") = "6"
    & skf21("4","7","7","5","3","3","1","1") = "6"
    & skf21("4","7","7","5","3","3","2","1") = "6"
    & skf21("4","7","7","5","3","3","3","1") = "6"
    & skf21("4","7","7","5","3","3","4","1") = "6"
    & skf21("4","7","7","5","3","3","5","1") = "6"
    & skf21("4","7","7","5","3","3","6","1") = "6"
    & skf21("4","7","7","5","3","3","7","1") = "6"
    & skf21("4","7","7","5","3","4","1","1") = "6"
    & skf21("4","7","7","5","3","4","2","1") = "6"
    & skf21("4","7","7","5","3","4","3","1") = "6"
    & skf21("4","7","7","5","3","4","4","1") = "6"
    & skf21("4","7","7","5","3","4","5","1") = "6"
    & skf21("4","7","7","5","3","4","6","1") = "6"
    & skf21("4","7","7","5","3","4","7","1") = "6"
    & skf21("4","7","7","5","3","5","1","1") = "6"
    & skf21("4","7","7","5","3","5","2","1") = "6"
    & skf21("4","7","7","5","3","5","3","1") = "6"
    & skf21("4","7","7","5","3","5","4","1") = "6"
    & skf21("4","7","7","5","3","5","5","1") = "6"
    & skf21("4","7","7","5","3","5","6","1") = "6"
    & skf21("4","7","7","5","3","5","7","1") = "6"
    & skf21("4","7","7","5","3","6","1","1") = "6"
    & skf21("4","7","7","5","3","6","2","1") = "6"
    & skf21("4","7","7","5","3","6","3","1") = "6"
    & skf21("4","7","7","5","3","6","4","1") = "6"
    & skf21("4","7","7","5","3","6","5","1") = "6"
    & skf21("4","7","7","5","3","6","6","1") = "6"
    & skf21("4","7","7","5","3","6","7","1") = "6"
    & skf21("4","7","7","5","3","7","1","1") = "6"
    & skf21("4","7","7","5","3","7","2","1") = "6"
    & skf21("4","7","7","5","3","7","3","1") = "6"
    & skf21("4","7","7","5","3","7","4","1") = "6"
    & skf21("4","7","7","5","3","7","5","1") = "6"
    & skf21("4","7","7","5","3","7","6","1") = "6"
    & skf21("4","7","7","5","3","7","7","1") = "6"
    & skf21("4","7","7","5","4","1","1","1") = "6"
    & skf21("4","7","7","5","4","1","2","1") = "6"
    & skf21("4","7","7","5","4","1","3","1") = "6"
    & skf21("4","7","7","5","4","1","4","1") = "6"
    & skf21("4","7","7","5","4","1","5","1") = "6"
    & skf21("4","7","7","5","4","1","6","1") = "6"
    & skf21("4","7","7","5","4","1","7","1") = "6"
    & skf21("4","7","7","5","4","2","1","1") = "6"
    & skf21("4","7","7","5","4","2","2","1") = "6"
    & skf21("4","7","7","5","4","2","3","1") = "6"
    & skf21("4","7","7","5","4","2","4","1") = "6"
    & skf21("4","7","7","5","4","2","5","1") = "6"
    & skf21("4","7","7","5","4","2","6","1") = "6"
    & skf21("4","7","7","5","4","2","7","1") = "6"
    & skf21("4","7","7","5","4","3","1","1") = "6"
    & skf21("4","7","7","5","4","3","2","1") = "6"
    & skf21("4","7","7","5","4","3","3","1") = "6"
    & skf21("4","7","7","5","4","3","4","1") = "6"
    & skf21("4","7","7","5","4","3","5","1") = "6"
    & skf21("4","7","7","5","4","3","6","1") = "6"
    & skf21("4","7","7","5","4","3","7","1") = "6"
    & skf21("4","7","7","5","4","4","1","1") = "6"
    & skf21("4","7","7","5","4","4","2","1") = "6"
    & skf21("4","7","7","5","4","4","3","1") = "6"
    & skf21("4","7","7","5","4","4","4","1") = "6"
    & skf21("4","7","7","5","4","4","5","1") = "6"
    & skf21("4","7","7","5","4","4","6","1") = "6"
    & skf21("4","7","7","5","4","4","7","1") = "6"
    & skf21("4","7","7","5","4","5","1","1") = "6"
    & skf21("4","7","7","5","4","5","2","1") = "6"
    & skf21("4","7","7","5","4","5","3","1") = "6"
    & skf21("4","7","7","5","4","5","4","1") = "6"
    & skf21("4","7","7","5","4","5","5","1") = "6"
    & skf21("4","7","7","5","4","5","6","1") = "6"
    & skf21("4","7","7","5","4","5","7","1") = "6"
    & skf21("4","7","7","5","4","6","1","1") = "6"
    & skf21("4","7","7","5","4","6","2","1") = "6"
    & skf21("4","7","7","5","4","6","3","1") = "6"
    & skf21("4","7","7","5","4","6","4","1") = "6"
    & skf21("4","7","7","5","4","6","5","1") = "6"
    & skf21("4","7","7","5","4","6","6","1") = "6"
    & skf21("4","7","7","5","4","6","7","1") = "6"
    & skf21("4","7","7","5","4","7","1","1") = "6"
    & skf21("4","7","7","5","4","7","2","1") = "6"
    & skf21("4","7","7","5","4","7","3","1") = "6"
    & skf21("4","7","7","5","4","7","4","1") = "6"
    & skf21("4","7","7","5","4","7","5","1") = "6"
    & skf21("4","7","7","5","4","7","6","1") = "6"
    & skf21("4","7","7","5","4","7","7","1") = "6"
    & skf21("4","7","7","5","5","1","1","1") = "6"
    & skf21("4","7","7","5","5","1","2","1") = "6"
    & skf21("4","7","7","5","5","1","3","1") = "6"
    & skf21("4","7","7","5","5","1","4","1") = "6"
    & skf21("4","7","7","5","5","1","5","1") = "6"
    & skf21("4","7","7","5","5","1","6","1") = "6"
    & skf21("4","7","7","5","5","1","7","1") = "6"
    & skf21("4","7","7","5","5","2","1","1") = "6"
    & skf21("4","7","7","5","5","2","2","1") = "6"
    & skf21("4","7","7","5","5","2","3","1") = "6"
    & skf21("4","7","7","5","5","2","4","1") = "6"
    & skf21("4","7","7","5","5","2","5","1") = "6"
    & skf21("4","7","7","5","5","2","6","1") = "6"
    & skf21("4","7","7","5","5","2","7","1") = "6"
    & skf21("4","7","7","5","5","3","1","1") = "6"
    & skf21("4","7","7","5","5","3","2","1") = "6"
    & skf21("4","7","7","5","5","3","3","1") = "6"
    & skf21("4","7","7","5","5","3","4","1") = "6"
    & skf21("4","7","7","5","5","3","5","1") = "6"
    & skf21("4","7","7","5","5","3","6","1") = "6"
    & skf21("4","7","7","5","5","3","7","1") = "6"
    & skf21("4","7","7","5","5","4","1","1") = "6"
    & skf21("4","7","7","5","5","4","2","1") = "6"
    & skf21("4","7","7","5","5","4","3","1") = "6"
    & skf21("4","7","7","5","5","4","4","1") = "6"
    & skf21("4","7","7","5","5","4","5","1") = "6"
    & skf21("4","7","7","5","5","4","6","1") = "6"
    & skf21("4","7","7","5","5","4","7","1") = "6"
    & skf21("4","7","7","5","5","5","1","1") = "6"
    & skf21("4","7","7","5","5","5","2","1") = "6"
    & skf21("4","7","7","5","5","5","3","1") = "6"
    & skf21("4","7","7","5","5","5","4","1") = "6"
    & skf21("4","7","7","5","5","5","5","1") = "6"
    & skf21("4","7","7","5","5","5","6","1") = "6"
    & skf21("4","7","7","5","5","5","7","1") = "6"
    & skf21("4","7","7","5","5","6","1","1") = "6"
    & skf21("4","7","7","5","5","6","2","1") = "6"
    & skf21("4","7","7","5","5","6","3","1") = "6"
    & skf21("4","7","7","5","5","6","4","1") = "6"
    & skf21("4","7","7","5","5","6","5","1") = "6"
    & skf21("4","7","7","5","5","6","6","1") = "6"
    & skf21("4","7","7","5","5","6","7","1") = "6"
    & skf21("4","7","7","5","5","7","1","1") = "6"
    & skf21("4","7","7","5","5","7","2","1") = "6"
    & skf21("4","7","7","5","5","7","3","1") = "6"
    & skf21("4","7","7","5","5","7","4","1") = "6"
    & skf21("4","7","7","5","5","7","5","1") = "6"
    & skf21("4","7","7","5","5","7","6","1") = "6"
    & skf21("4","7","7","5","5","7","7","1") = "6"
    & skf21("4","7","7","5","6","1","1","1") = "6"
    & skf21("4","7","7","5","6","1","2","1") = "6"
    & skf21("4","7","7","5","6","1","3","1") = "6"
    & skf21("4","7","7","5","6","1","4","1") = "6"
    & skf21("4","7","7","5","6","1","5","1") = "6"
    & skf21("4","7","7","5","6","1","6","1") = "6"
    & skf21("4","7","7","5","6","1","7","1") = "6"
    & skf21("4","7","7","5","6","2","1","1") = "6"
    & skf21("4","7","7","5","6","2","2","1") = "6"
    & skf21("4","7","7","5","6","2","3","1") = "6"
    & skf21("4","7","7","5","6","2","4","1") = "6"
    & skf21("4","7","7","5","6","2","5","1") = "6"
    & skf21("4","7","7","5","6","2","6","1") = "6"
    & skf21("4","7","7","5","6","2","7","1") = "6"
    & skf21("4","7","7","5","6","3","1","1") = "6"
    & skf21("4","7","7","5","6","3","2","1") = "6"
    & skf21("4","7","7","5","6","3","3","1") = "6"
    & skf21("4","7","7","5","6","3","4","1") = "6"
    & skf21("4","7","7","5","6","3","5","1") = "6"
    & skf21("4","7","7","5","6","3","6","1") = "6"
    & skf21("4","7","7","5","6","3","7","1") = "6"
    & skf21("4","7","7","5","6","4","1","1") = "6"
    & skf21("4","7","7","5","6","4","2","1") = "6"
    & skf21("4","7","7","5","6","4","3","1") = "6"
    & skf21("4","7","7","5","6","4","4","1") = "6"
    & skf21("4","7","7","5","6","4","5","1") = "6"
    & skf21("4","7","7","5","6","4","6","1") = "6"
    & skf21("4","7","7","5","6","4","7","1") = "6"
    & skf21("4","7","7","5","6","5","1","1") = "6"
    & skf21("4","7","7","5","6","5","2","1") = "6"
    & skf21("4","7","7","5","6","5","3","1") = "6"
    & skf21("4","7","7","5","6","5","4","1") = "6"
    & skf21("4","7","7","5","6","5","5","1") = "6"
    & skf21("4","7","7","5","6","5","6","1") = "6"
    & skf21("4","7","7","5","6","5","7","1") = "6"
    & skf21("4","7","7","5","6","6","1","1") = "6"
    & skf21("4","7","7","5","6","6","2","1") = "6"
    & skf21("4","7","7","5","6","6","3","1") = "6"
    & skf21("4","7","7","5","6","6","4","1") = "6"
    & skf21("4","7","7","5","6","6","5","1") = "6"
    & skf21("4","7","7","5","6","6","6","1") = "6"
    & skf21("4","7","7","5","6","6","7","1") = "6"
    & skf21("4","7","7","5","6","7","1","1") = "6"
    & skf21("4","7","7","5","6","7","2","1") = "6"
    & skf21("4","7","7","5","6","7","3","1") = "6"
    & skf21("4","7","7","5","6","7","4","1") = "6"
    & skf21("4","7","7","5","6","7","5","1") = "6"
    & skf21("4","7","7","5","6","7","6","1") = "6"
    & skf21("4","7","7","5","6","7","7","1") = "6"
    & skf21("4","7","7","5","7","1","1","1") = "6"
    & skf21("4","7","7","5","7","1","2","1") = "6"
    & skf21("4","7","7","5","7","1","3","1") = "6"
    & skf21("4","7","7","5","7","1","4","1") = "6"
    & skf21("4","7","7","5","7","1","5","1") = "6"
    & skf21("4","7","7","5","7","1","6","1") = "6"
    & skf21("4","7","7","5","7","1","7","1") = "6"
    & skf21("4","7","7","5","7","2","1","1") = "6"
    & skf21("4","7","7","5","7","2","2","1") = "6"
    & skf21("4","7","7","5","7","2","3","1") = "6"
    & skf21("4","7","7","5","7","2","4","1") = "6"
    & skf21("4","7","7","5","7","2","5","1") = "6"
    & skf21("4","7","7","5","7","2","6","1") = "6"
    & skf21("4","7","7","5","7","2","7","1") = "6"
    & skf21("4","7","7","5","7","3","1","1") = "6"
    & skf21("4","7","7","5","7","3","2","1") = "6"
    & skf21("4","7","7","5","7","3","3","1") = "6"
    & skf21("4","7","7","5","7","3","4","1") = "6"
    & skf21("4","7","7","5","7","3","5","1") = "6"
    & skf21("4","7","7","5","7","3","6","1") = "6"
    & skf21("4","7","7","5","7","3","7","1") = "6"
    & skf21("4","7","7","5","7","4","1","1") = "6"
    & skf21("4","7","7","5","7","4","2","1") = "6"
    & skf21("4","7","7","5","7","4","3","1") = "6"
    & skf21("4","7","7","5","7","4","4","1") = "6"
    & skf21("4","7","7","5","7","4","5","1") = "6"
    & skf21("4","7","7","5","7","4","6","1") = "6"
    & skf21("4","7","7","5","7","4","7","1") = "6"
    & skf21("4","7","7","5","7","5","1","1") = "6"
    & skf21("4","7","7","5","7","5","2","1") = "6"
    & skf21("4","7","7","5","7","5","3","1") = "6"
    & skf21("4","7","7","5","7","5","4","1") = "6"
    & skf21("4","7","7","5","7","5","5","1") = "6"
    & skf21("4","7","7","5","7","5","6","1") = "6"
    & skf21("4","7","7","5","7","5","7","1") = "6"
    & skf21("4","7","7","5","7","6","1","1") = "6"
    & skf21("4","7","7","5","7","6","2","1") = "6"
    & skf21("4","7","7","5","7","6","3","1") = "6"
    & skf21("4","7","7","5","7","6","4","1") = "6"
    & skf21("4","7","7","5","7","6","5","1") = "6"
    & skf21("4","7","7","5","7","6","6","1") = "6"
    & skf21("4","7","7","5","7","6","7","1") = "6"
    & skf21("4","7","7","5","7","7","1","1") = "6"
    & skf21("4","7","7","5","7","7","2","1") = "6"
    & skf21("4","7","7","5","7","7","3","1") = "6"
    & skf21("4","7","7","5","7","7","4","1") = "6"
    & skf21("4","7","7","5","7","7","5","1") = "6"
    & skf21("4","7","7","5","7","7","6","1") = "6"
    & skf21("4","7","7","5","7","7","7","1") = "6"
    & skf21("4","7","7","6","1","1","1","1") = "6"
    & skf21("4","7","7","6","1","1","2","1") = "6"
    & skf21("4","7","7","6","1","1","3","1") = "6"
    & skf21("4","7","7","6","1","1","4","1") = "6"
    & skf21("4","7","7","6","1","1","5","1") = "6"
    & skf21("4","7","7","6","1","1","6","1") = "6"
    & skf21("4","7","7","6","1","1","7","1") = "6"
    & skf21("4","7","7","6","1","2","1","1") = "6"
    & skf21("4","7","7","6","1","2","2","1") = "6"
    & skf21("4","7","7","6","1","2","3","1") = "6"
    & skf21("4","7","7","6","1","2","4","1") = "6"
    & skf21("4","7","7","6","1","2","5","1") = "6"
    & skf21("4","7","7","6","1","2","6","1") = "6"
    & skf21("4","7","7","6","1","2","7","1") = "6"
    & skf21("4","7","7","6","1","3","1","1") = "6"
    & skf21("4","7","7","6","1","3","2","1") = "6"
    & skf21("4","7","7","6","1","3","3","1") = "6"
    & skf21("4","7","7","6","1","3","4","1") = "6"
    & skf21("4","7","7","6","1","3","5","1") = "6"
    & skf21("4","7","7","6","1","3","6","1") = "6"
    & skf21("4","7","7","6","1","3","7","1") = "6"
    & skf21("4","7","7","6","1","4","1","1") = "6"
    & skf21("4","7","7","6","1","4","2","1") = "6"
    & skf21("4","7","7","6","1","4","3","1") = "6"
    & skf21("4","7","7","6","1","4","4","1") = "6"
    & skf21("4","7","7","6","1","4","5","1") = "6"
    & skf21("4","7","7","6","1","4","6","1") = "6"
    & skf21("4","7","7","6","1","4","7","1") = "6"
    & skf21("4","7","7","6","1","5","1","1") = "6"
    & skf21("4","7","7","6","1","5","2","1") = "6"
    & skf21("4","7","7","6","1","5","3","1") = "6"
    & skf21("4","7","7","6","1","5","4","1") = "6"
    & skf21("4","7","7","6","1","5","5","1") = "6"
    & skf21("4","7","7","6","1","5","6","1") = "6"
    & skf21("4","7","7","6","1","5","7","1") = "6"
    & skf21("4","7","7","6","1","6","1","1") = "6"
    & skf21("4","7","7","6","1","6","2","1") = "6"
    & skf21("4","7","7","6","1","6","3","1") = "6"
    & skf21("4","7","7","6","1","6","4","1") = "6"
    & skf21("4","7","7","6","1","6","5","1") = "6"
    & skf21("4","7","7","6","1","6","6","1") = "6"
    & skf21("4","7","7","6","1","6","7","1") = "6"
    & skf21("4","7","7","6","1","7","1","1") = "6"
    & skf21("4","7","7","6","1","7","2","1") = "6"
    & skf21("4","7","7","6","1","7","3","1") = "6"
    & skf21("4","7","7","6","1","7","4","1") = "6"
    & skf21("4","7","7","6","1","7","5","1") = "6"
    & skf21("4","7","7","6","1","7","6","1") = "6"
    & skf21("4","7","7","6","1","7","7","1") = "6"
    & skf21("4","7","7","6","2","1","1","1") = "6"
    & skf21("4","7","7","6","2","1","2","1") = "6"
    & skf21("4","7","7","6","2","1","3","1") = "6"
    & skf21("4","7","7","6","2","1","4","1") = "6"
    & skf21("4","7","7","6","2","1","5","1") = "6"
    & skf21("4","7","7","6","2","1","6","1") = "6"
    & skf21("4","7","7","6","2","1","7","1") = "6"
    & skf21("4","7","7","6","2","2","1","1") = "6"
    & skf21("4","7","7","6","2","2","2","1") = "6"
    & skf21("4","7","7","6","2","2","3","1") = "6"
    & skf21("4","7","7","6","2","2","4","1") = "6"
    & skf21("4","7","7","6","2","2","5","1") = "6"
    & skf21("4","7","7","6","2","2","6","1") = "6"
    & skf21("4","7","7","6","2","2","7","1") = "6"
    & skf21("4","7","7","6","2","3","1","1") = "6"
    & skf21("4","7","7","6","2","3","2","1") = "6"
    & skf21("4","7","7","6","2","3","3","1") = "6"
    & skf21("4","7","7","6","2","3","4","1") = "6"
    & skf21("4","7","7","6","2","3","5","1") = "6"
    & skf21("4","7","7","6","2","3","6","1") = "6"
    & skf21("4","7","7","6","2","3","7","1") = "6"
    & skf21("4","7","7","6","2","4","1","1") = "6"
    & skf21("4","7","7","6","2","4","2","1") = "6"
    & skf21("4","7","7","6","2","4","3","1") = "6"
    & skf21("4","7","7","6","2","4","4","1") = "6"
    & skf21("4","7","7","6","2","4","5","1") = "6"
    & skf21("4","7","7","6","2","4","6","1") = "6"
    & skf21("4","7","7","6","2","4","7","1") = "6"
    & skf21("4","7","7","6","2","5","1","1") = "6"
    & skf21("4","7","7","6","2","5","2","1") = "6"
    & skf21("4","7","7","6","2","5","3","1") = "6"
    & skf21("4","7","7","6","2","5","4","1") = "6"
    & skf21("4","7","7","6","2","5","5","1") = "6"
    & skf21("4","7","7","6","2","5","6","1") = "6"
    & skf21("4","7","7","6","2","5","7","1") = "6"
    & skf21("4","7","7","6","2","6","1","1") = "6"
    & skf21("4","7","7","6","2","6","2","1") = "6"
    & skf21("4","7","7","6","2","6","3","1") = "6"
    & skf21("4","7","7","6","2","6","4","1") = "6"
    & skf21("4","7","7","6","2","6","5","1") = "6"
    & skf21("4","7","7","6","2","6","6","1") = "6"
    & skf21("4","7","7","6","2","6","7","1") = "6"
    & skf21("4","7","7","6","2","7","1","1") = "6"
    & skf21("4","7","7","6","2","7","2","1") = "6"
    & skf21("4","7","7","6","2","7","3","1") = "6"
    & skf21("4","7","7","6","2","7","4","1") = "6"
    & skf21("4","7","7","6","2","7","5","1") = "6"
    & skf21("4","7","7","6","2","7","6","1") = "6"
    & skf21("4","7","7","6","2","7","7","1") = "6"
    & skf21("4","7","7","6","3","1","1","1") = "6"
    & skf21("4","7","7","6","3","1","2","1") = "6"
    & skf21("4","7","7","6","3","1","3","1") = "6"
    & skf21("4","7","7","6","3","1","4","1") = "6"
    & skf21("4","7","7","6","3","1","5","1") = "6"
    & skf21("4","7","7","6","3","1","6","1") = "6"
    & skf21("4","7","7","6","3","1","7","1") = "6"
    & skf21("4","7","7","6","3","2","1","1") = "6"
    & skf21("4","7","7","6","3","2","2","1") = "6"
    & skf21("4","7","7","6","3","2","3","1") = "6"
    & skf21("4","7","7","6","3","2","4","1") = "6"
    & skf21("4","7","7","6","3","2","5","1") = "6"
    & skf21("4","7","7","6","3","2","6","1") = "6"
    & skf21("4","7","7","6","3","2","7","1") = "6"
    & skf21("4","7","7","6","3","3","1","1") = "6"
    & skf21("4","7","7","6","3","3","2","1") = "6"
    & skf21("4","7","7","6","3","3","3","1") = "6"
    & skf21("4","7","7","6","3","3","4","1") = "6"
    & skf21("4","7","7","6","3","3","5","1") = "6"
    & skf21("4","7","7","6","3","3","6","1") = "6"
    & skf21("4","7","7","6","3","3","7","1") = "6"
    & skf21("4","7","7","6","3","4","1","1") = "6"
    & skf21("4","7","7","6","3","4","2","1") = "6"
    & skf21("4","7","7","6","3","4","3","1") = "6"
    & skf21("4","7","7","6","3","4","4","1") = "6"
    & skf21("4","7","7","6","3","4","5","1") = "6"
    & skf21("4","7","7","6","3","4","6","1") = "6"
    & skf21("4","7","7","6","3","4","7","1") = "6"
    & skf21("4","7","7","6","3","5","1","1") = "6"
    & skf21("4","7","7","6","3","5","2","1") = "6"
    & skf21("4","7","7","6","3","5","3","1") = "6"
    & skf21("4","7","7","6","3","5","4","1") = "6"
    & skf21("4","7","7","6","3","5","5","1") = "6"
    & skf21("4","7","7","6","3","5","6","1") = "6"
    & skf21("4","7","7","6","3","5","7","1") = "6"
    & skf21("4","7","7","6","3","6","1","1") = "6"
    & skf21("4","7","7","6","3","6","2","1") = "6"
    & skf21("4","7","7","6","3","6","3","1") = "6"
    & skf21("4","7","7","6","3","6","4","1") = "6"
    & skf21("4","7","7","6","3","6","5","1") = "6"
    & skf21("4","7","7","6","3","6","6","1") = "6"
    & skf21("4","7","7","6","3","6","7","1") = "6"
    & skf21("4","7","7","6","3","7","1","1") = "6"
    & skf21("4","7","7","6","3","7","2","1") = "6"
    & skf21("4","7","7","6","3","7","3","1") = "6"
    & skf21("4","7","7","6","3","7","4","1") = "6"
    & skf21("4","7","7","6","3","7","5","1") = "6"
    & skf21("4","7","7","6","3","7","6","1") = "6"
    & skf21("4","7","7","6","3","7","7","1") = "6"
    & skf21("4","7","7","6","4","1","1","1") = "6"
    & skf21("4","7","7","6","4","1","2","1") = "6"
    & skf21("4","7","7","6","4","1","3","1") = "6"
    & skf21("4","7","7","6","4","1","4","1") = "6"
    & skf21("4","7","7","6","4","1","5","1") = "6"
    & skf21("4","7","7","6","4","1","6","1") = "6"
    & skf21("4","7","7","6","4","1","7","1") = "6"
    & skf21("4","7","7","6","4","2","1","1") = "6"
    & skf21("4","7","7","6","4","2","2","1") = "6"
    & skf21("4","7","7","6","4","2","3","1") = "6"
    & skf21("4","7","7","6","4","2","4","1") = "6"
    & skf21("4","7","7","6","4","2","5","1") = "6"
    & skf21("4","7","7","6","4","2","6","1") = "6"
    & skf21("4","7","7","6","4","2","7","1") = "6"
    & skf21("4","7","7","6","4","3","1","1") = "6"
    & skf21("4","7","7","6","4","3","2","1") = "6"
    & skf21("4","7","7","6","4","3","3","1") = "6"
    & skf21("4","7","7","6","4","3","4","1") = "6"
    & skf21("4","7","7","6","4","3","5","1") = "6"
    & skf21("4","7","7","6","4","3","6","1") = "6"
    & skf21("4","7","7","6","4","3","7","1") = "6"
    & skf21("4","7","7","6","4","4","1","1") = "6"
    & skf21("4","7","7","6","4","4","2","1") = "6"
    & skf21("4","7","7","6","4","4","3","1") = "6"
    & skf21("4","7","7","6","4","4","4","1") = "6"
    & skf21("4","7","7","6","4","4","5","1") = "6"
    & skf21("4","7","7","6","4","4","6","1") = "6"
    & skf21("4","7","7","6","4","4","7","1") = "6"
    & skf21("4","7","7","6","4","5","1","1") = "6"
    & skf21("4","7","7","6","4","5","2","1") = "6"
    & skf21("4","7","7","6","4","5","3","1") = "6"
    & skf21("4","7","7","6","4","5","4","1") = "6"
    & skf21("4","7","7","6","4","5","5","1") = "6"
    & skf21("4","7","7","6","4","5","6","1") = "6"
    & skf21("4","7","7","6","4","5","7","1") = "6"
    & skf21("4","7","7","6","4","6","1","1") = "6"
    & skf21("4","7","7","6","4","6","2","1") = "6"
    & skf21("4","7","7","6","4","6","3","1") = "6"
    & skf21("4","7","7","6","4","6","4","1") = "6"
    & skf21("4","7","7","6","4","6","5","1") = "6"
    & skf21("4","7","7","6","4","6","6","1") = "6"
    & skf21("4","7","7","6","4","6","7","1") = "6"
    & skf21("4","7","7","6","4","7","1","1") = "6"
    & skf21("4","7","7","6","4","7","2","1") = "6"
    & skf21("4","7","7","6","4","7","3","1") = "6"
    & skf21("4","7","7","6","4","7","4","1") = "6"
    & skf21("4","7","7","6","4","7","5","1") = "6"
    & skf21("4","7","7","6","4","7","6","1") = "6"
    & skf21("4","7","7","6","4","7","7","1") = "6"
    & skf21("4","7","7","6","5","1","1","1") = "6"
    & skf21("4","7","7","6","5","1","2","1") = "6"
    & skf21("4","7","7","6","5","1","3","1") = "6"
    & skf21("4","7","7","6","5","1","4","1") = "6"
    & skf21("4","7","7","6","5","1","5","1") = "6"
    & skf21("4","7","7","6","5","1","6","1") = "6"
    & skf21("4","7","7","6","5","1","7","1") = "6"
    & skf21("4","7","7","6","5","2","1","1") = "6"
    & skf21("4","7","7","6","5","2","2","1") = "6"
    & skf21("4","7","7","6","5","2","3","1") = "6"
    & skf21("4","7","7","6","5","2","4","1") = "6"
    & skf21("4","7","7","6","5","2","5","1") = "6"
    & skf21("4","7","7","6","5","2","6","1") = "6"
    & skf21("4","7","7","6","5","2","7","1") = "6"
    & skf21("4","7","7","6","5","3","1","1") = "6"
    & skf21("4","7","7","6","5","3","2","1") = "6"
    & skf21("4","7","7","6","5","3","3","1") = "6"
    & skf21("4","7","7","6","5","3","4","1") = "6"
    & skf21("4","7","7","6","5","3","5","1") = "6"
    & skf21("4","7","7","6","5","3","6","1") = "6"
    & skf21("4","7","7","6","5","3","7","1") = "6"
    & skf21("4","7","7","6","5","4","1","1") = "6"
    & skf21("4","7","7","6","5","4","2","1") = "6"
    & skf21("4","7","7","6","5","4","3","1") = "6"
    & skf21("4","7","7","6","5","4","4","1") = "6"
    & skf21("4","7","7","6","5","4","5","1") = "6"
    & skf21("4","7","7","6","5","4","6","1") = "6"
    & skf21("4","7","7","6","5","4","7","1") = "6"
    & skf21("4","7","7","6","5","5","1","1") = "6"
    & skf21("4","7","7","6","5","5","2","1") = "6"
    & skf21("4","7","7","6","5","5","3","1") = "6"
    & skf21("4","7","7","6","5","5","4","1") = "6"
    & skf21("4","7","7","6","5","5","5","1") = "6"
    & skf21("4","7","7","6","5","5","6","1") = "6"
    & skf21("4","7","7","6","5","5","7","1") = "6"
    & skf21("4","7","7","6","5","6","1","1") = "6"
    & skf21("4","7","7","6","5","6","2","1") = "6"
    & skf21("4","7","7","6","5","6","3","1") = "6"
    & skf21("4","7","7","6","5","6","4","1") = "6"
    & skf21("4","7","7","6","5","6","5","1") = "6"
    & skf21("4","7","7","6","5","6","6","1") = "6"
    & skf21("4","7","7","6","5","6","7","1") = "6"
    & skf21("4","7","7","6","5","7","1","1") = "6"
    & skf21("4","7","7","6","5","7","2","1") = "6"
    & skf21("4","7","7","6","5","7","3","1") = "6"
    & skf21("4","7","7","6","5","7","4","1") = "6"
    & skf21("4","7","7","6","5","7","5","1") = "6"
    & skf21("4","7","7","6","5","7","6","1") = "6"
    & skf21("4","7","7","6","5","7","7","1") = "6"
    & skf21("4","7","7","6","6","1","1","1") = "6"
    & skf21("4","7","7","6","6","1","2","1") = "6"
    & skf21("4","7","7","6","6","1","3","1") = "6"
    & skf21("4","7","7","6","6","1","4","1") = "6"
    & skf21("4","7","7","6","6","1","5","1") = "6"
    & skf21("4","7","7","6","6","1","6","1") = "6"
    & skf21("4","7","7","6","6","1","7","1") = "6"
    & skf21("4","7","7","6","6","2","1","1") = "6"
    & skf21("4","7","7","6","6","2","2","1") = "6"
    & skf21("4","7","7","6","6","2","3","1") = "6"
    & skf21("4","7","7","6","6","2","4","1") = "6"
    & skf21("4","7","7","6","6","2","5","1") = "6"
    & skf21("4","7","7","6","6","2","6","1") = "6"
    & skf21("4","7","7","6","6","2","7","1") = "6"
    & skf21("4","7","7","6","6","3","1","1") = "6"
    & skf21("4","7","7","6","6","3","2","1") = "6"
    & skf21("4","7","7","6","6","3","3","1") = "6"
    & skf21("4","7","7","6","6","3","4","1") = "6"
    & skf21("4","7","7","6","6","3","5","1") = "6"
    & skf21("4","7","7","6","6","3","6","1") = "6"
    & skf21("4","7","7","6","6","3","7","1") = "6"
    & skf21("4","7","7","6","6","4","1","1") = "6"
    & skf21("4","7","7","6","6","4","2","1") = "6"
    & skf21("4","7","7","6","6","4","3","1") = "6"
    & skf21("4","7","7","6","6","4","4","1") = "6"
    & skf21("4","7","7","6","6","4","5","1") = "6"
    & skf21("4","7","7","6","6","4","6","1") = "6"
    & skf21("4","7","7","6","6","4","7","1") = "6"
    & skf21("4","7","7","6","6","5","1","1") = "6"
    & skf21("4","7","7","6","6","5","2","1") = "6"
    & skf21("4","7","7","6","6","5","3","1") = "6"
    & skf21("4","7","7","6","6","5","4","1") = "6"
    & skf21("4","7","7","6","6","5","5","1") = "6"
    & skf21("4","7","7","6","6","5","6","1") = "6"
    & skf21("4","7","7","6","6","5","7","1") = "6"
    & skf21("4","7","7","6","6","6","1","1") = "6"
    & skf21("4","7","7","6","6","6","2","1") = "6"
    & skf21("4","7","7","6","6","6","3","1") = "6"
    & skf21("4","7","7","6","6","6","4","1") = "6"
    & skf21("4","7","7","6","6","6","5","1") = "6"
    & skf21("4","7","7","6","6","6","6","1") = "6"
    & skf21("4","7","7","6","6","6","7","1") = "6"
    & skf21("4","7","7","6","6","7","1","1") = "6"
    & skf21("4","7","7","6","6","7","2","1") = "6"
    & skf21("4","7","7","6","6","7","3","1") = "6"
    & skf21("4","7","7","6","6","7","4","1") = "6"
    & skf21("4","7","7","6","6","7","5","1") = "6"
    & skf21("4","7","7","6","6","7","6","1") = "6"
    & skf21("4","7","7","6","6","7","7","1") = "6"
    & skf21("4","7","7","6","7","1","1","1") = "6"
    & skf21("4","7","7","6","7","1","2","1") = "6"
    & skf21("4","7","7","6","7","1","3","1") = "6"
    & skf21("4","7","7","6","7","1","4","1") = "6"
    & skf21("4","7","7","6","7","1","5","1") = "6"
    & skf21("4","7","7","6","7","1","6","1") = "6"
    & skf21("4","7","7","6","7","1","7","1") = "6"
    & skf21("4","7","7","6","7","2","1","1") = "6"
    & skf21("4","7","7","6","7","2","2","1") = "6"
    & skf21("4","7","7","6","7","2","3","1") = "6"
    & skf21("4","7","7","6","7","2","4","1") = "6"
    & skf21("4","7","7","6","7","2","5","1") = "6"
    & skf21("4","7","7","6","7","2","6","1") = "6"
    & skf21("4","7","7","6","7","2","7","1") = "6"
    & skf21("4","7","7","6","7","3","1","1") = "6"
    & skf21("4","7","7","6","7","3","2","1") = "6"
    & skf21("4","7","7","6","7","3","3","1") = "6"
    & skf21("4","7","7","6","7","3","4","1") = "6"
    & skf21("4","7","7","6","7","3","5","1") = "6"
    & skf21("4","7","7","6","7","3","6","1") = "6"
    & skf21("4","7","7","6","7","3","7","1") = "6"
    & skf21("4","7","7","6","7","4","1","1") = "6"
    & skf21("4","7","7","6","7","4","2","1") = "6"
    & skf21("4","7","7","6","7","4","3","1") = "6"
    & skf21("4","7","7","6","7","4","4","1") = "6"
    & skf21("4","7","7","6","7","4","5","1") = "6"
    & skf21("4","7","7","6","7","4","6","1") = "6"
    & skf21("4","7","7","6","7","4","7","1") = "6"
    & skf21("4","7","7","6","7","5","1","1") = "6"
    & skf21("4","7","7","6","7","5","2","1") = "6"
    & skf21("4","7","7","6","7","5","3","1") = "6"
    & skf21("4","7","7","6","7","5","4","1") = "6"
    & skf21("4","7","7","6","7","5","5","1") = "6"
    & skf21("4","7","7","6","7","5","6","1") = "6"
    & skf21("4","7","7","6","7","5","7","1") = "6"
    & skf21("4","7","7","6","7","6","1","1") = "6"
    & skf21("4","7","7","6","7","6","2","1") = "6"
    & skf21("4","7","7","6","7","6","3","1") = "6"
    & skf21("4","7","7","6","7","6","4","1") = "6"
    & skf21("4","7","7","6","7","6","5","1") = "6"
    & skf21("4","7","7","6","7","6","6","1") = "6"
    & skf21("4","7","7","6","7","6","7","1") = "6"
    & skf21("4","7","7","6","7","7","1","1") = "6"
    & skf21("4","7","7","6","7","7","2","1") = "6"
    & skf21("4","7","7","6","7","7","3","1") = "6"
    & skf21("4","7","7","6","7","7","4","1") = "6"
    & skf21("4","7","7","6","7","7","5","1") = "6"
    & skf21("4","7","7","6","7","7","6","1") = "6"
    & skf21("4","7","7","6","7","7","7","1") = "6"
    & skf21("4","7","7","7","1","1","1","1") = "6"
    & skf21("4","7","7","7","1","1","2","1") = "6"
    & skf21("4","7","7","7","1","1","3","1") = "6"
    & skf21("4","7","7","7","1","1","4","1") = "6"
    & skf21("4","7","7","7","1","1","5","1") = "6"
    & skf21("4","7","7","7","1","1","6","1") = "6"
    & skf21("4","7","7","7","1","1","7","1") = "6"
    & skf21("4","7","7","7","1","2","1","1") = "6"
    & skf21("4","7","7","7","1","2","2","1") = "6"
    & skf21("4","7","7","7","1","2","3","1") = "6"
    & skf21("4","7","7","7","1","2","4","1") = "6"
    & skf21("4","7","7","7","1","2","5","1") = "6"
    & skf21("4","7","7","7","1","2","6","1") = "6"
    & skf21("4","7","7","7","1","2","7","1") = "6"
    & skf21("4","7","7","7","1","3","1","1") = "6"
    & skf21("4","7","7","7","1","3","2","1") = "6"
    & skf21("4","7","7","7","1","3","3","1") = "6"
    & skf21("4","7","7","7","1","3","4","1") = "6"
    & skf21("4","7","7","7","1","3","5","1") = "6"
    & skf21("4","7","7","7","1","3","6","1") = "6"
    & skf21("4","7","7","7","1","3","7","1") = "6"
    & skf21("4","7","7","7","1","4","1","1") = "6"
    & skf21("4","7","7","7","1","4","2","1") = "6"
    & skf21("4","7","7","7","1","4","3","1") = "6"
    & skf21("4","7","7","7","1","4","4","1") = "6"
    & skf21("4","7","7","7","1","4","5","1") = "6"
    & skf21("4","7","7","7","1","4","6","1") = "6"
    & skf21("4","7","7","7","1","4","7","1") = "6"
    & skf21("4","7","7","7","1","5","1","1") = "6"
    & skf21("4","7","7","7","1","5","2","1") = "6"
    & skf21("4","7","7","7","1","5","3","1") = "6"
    & skf21("4","7","7","7","1","5","4","1") = "6"
    & skf21("4","7","7","7","1","5","5","1") = "6"
    & skf21("4","7","7","7","1","5","6","1") = "6"
    & skf21("4","7","7","7","1","5","7","1") = "6"
    & skf21("4","7","7","7","1","6","1","1") = "6"
    & skf21("4","7","7","7","1","6","2","1") = "6"
    & skf21("4","7","7","7","1","6","3","1") = "6"
    & skf21("4","7","7","7","1","6","4","1") = "6"
    & skf21("4","7","7","7","1","6","5","1") = "6"
    & skf21("4","7","7","7","1","6","6","1") = "6"
    & skf21("4","7","7","7","1","6","7","1") = "6"
    & skf21("4","7","7","7","1","7","1","1") = "6"
    & skf21("4","7","7","7","1","7","2","1") = "6"
    & skf21("4","7","7","7","1","7","3","1") = "6"
    & skf21("4","7","7","7","1","7","4","1") = "6"
    & skf21("4","7","7","7","1","7","5","1") = "6"
    & skf21("4","7","7","7","1","7","6","1") = "6"
    & skf21("4","7","7","7","1","7","7","1") = "6"
    & skf21("4","7","7","7","2","1","1","1") = "6"
    & skf21("4","7","7","7","2","1","2","1") = "6"
    & skf21("4","7","7","7","2","1","3","1") = "6"
    & skf21("4","7","7","7","2","1","4","1") = "6"
    & skf21("4","7","7","7","2","1","5","1") = "6"
    & skf21("4","7","7","7","2","1","6","1") = "6"
    & skf21("4","7","7","7","2","1","7","1") = "6"
    & skf21("4","7","7","7","2","2","1","1") = "6"
    & skf21("4","7","7","7","2","2","2","1") = "6"
    & skf21("4","7","7","7","2","2","3","1") = "6"
    & skf21("4","7","7","7","2","2","4","1") = "6"
    & skf21("4","7","7","7","2","2","5","1") = "6"
    & skf21("4","7","7","7","2","2","6","1") = "6"
    & skf21("4","7","7","7","2","2","7","1") = "6"
    & skf21("4","7","7","7","2","3","1","1") = "6"
    & skf21("4","7","7","7","2","3","2","1") = "6"
    & skf21("4","7","7","7","2","3","3","1") = "6"
    & skf21("4","7","7","7","2","3","4","1") = "6"
    & skf21("4","7","7","7","2","3","5","1") = "6"
    & skf21("4","7","7","7","2","3","6","1") = "6"
    & skf21("4","7","7","7","2","3","7","1") = "6"
    & skf21("4","7","7","7","2","4","1","1") = "6"
    & skf21("4","7","7","7","2","4","2","1") = "6"
    & skf21("4","7","7","7","2","4","3","1") = "6"
    & skf21("4","7","7","7","2","4","4","1") = "6"
    & skf21("4","7","7","7","2","4","5","1") = "6"
    & skf21("4","7","7","7","2","4","6","1") = "6"
    & skf21("4","7","7","7","2","4","7","1") = "6"
    & skf21("4","7","7","7","2","5","1","1") = "6"
    & skf21("4","7","7","7","2","5","2","1") = "6"
    & skf21("4","7","7","7","2","5","3","1") = "6"
    & skf21("4","7","7","7","2","5","4","1") = "6"
    & skf21("4","7","7","7","2","5","5","1") = "6"
    & skf21("4","7","7","7","2","5","6","1") = "6"
    & skf21("4","7","7","7","2","5","7","1") = "6"
    & skf21("4","7","7","7","2","6","1","1") = "6"
    & skf21("4","7","7","7","2","6","2","1") = "6"
    & skf21("4","7","7","7","2","6","3","1") = "6"
    & skf21("4","7","7","7","2","6","4","1") = "6"
    & skf21("4","7","7","7","2","6","5","1") = "6"
    & skf21("4","7","7","7","2","6","6","1") = "6"
    & skf21("4","7","7","7","2","6","7","1") = "6"
    & skf21("4","7","7","7","2","7","1","1") = "6"
    & skf21("4","7","7","7","2","7","2","1") = "6"
    & skf21("4","7","7","7","2","7","3","1") = "6"
    & skf21("4","7","7","7","2","7","4","1") = "6"
    & skf21("4","7","7","7","2","7","5","1") = "6"
    & skf21("4","7","7","7","2","7","6","1") = "6"
    & skf21("4","7","7","7","2","7","7","1") = "6"
    & skf21("4","7","7","7","3","1","1","1") = "6"
    & skf21("4","7","7","7","3","1","2","1") = "6"
    & skf21("4","7","7","7","3","1","3","1") = "6"
    & skf21("4","7","7","7","3","1","4","1") = "6"
    & skf21("4","7","7","7","3","1","5","1") = "6"
    & skf21("4","7","7","7","3","1","6","1") = "6"
    & skf21("4","7","7","7","3","1","7","1") = "6"
    & skf21("4","7","7","7","3","2","1","1") = "6"
    & skf21("4","7","7","7","3","2","2","1") = "6"
    & skf21("4","7","7","7","3","2","3","1") = "6"
    & skf21("4","7","7","7","3","2","4","1") = "6"
    & skf21("4","7","7","7","3","2","5","1") = "6"
    & skf21("4","7","7","7","3","2","6","1") = "6"
    & skf21("4","7","7","7","3","2","7","1") = "6"
    & skf21("4","7","7","7","3","3","1","1") = "6"
    & skf21("4","7","7","7","3","3","2","1") = "6"
    & skf21("4","7","7","7","3","3","3","1") = "6"
    & skf21("4","7","7","7","3","3","4","1") = "6"
    & skf21("4","7","7","7","3","3","5","1") = "6"
    & skf21("4","7","7","7","3","3","6","1") = "6"
    & skf21("4","7","7","7","3","3","7","1") = "6"
    & skf21("4","7","7","7","3","4","1","1") = "6"
    & skf21("4","7","7","7","3","4","2","1") = "6"
    & skf21("4","7","7","7","3","4","3","1") = "6"
    & skf21("4","7","7","7","3","4","4","1") = "6"
    & skf21("4","7","7","7","3","4","5","1") = "6"
    & skf21("4","7","7","7","3","4","6","1") = "6"
    & skf21("4","7","7","7","3","4","7","1") = "6"
    & skf21("4","7","7","7","3","5","1","1") = "6"
    & skf21("4","7","7","7","3","5","2","1") = "6"
    & skf21("4","7","7","7","3","5","3","1") = "6"
    & skf21("4","7","7","7","3","5","4","1") = "6"
    & skf21("4","7","7","7","3","5","5","1") = "6"
    & skf21("4","7","7","7","3","5","6","1") = "6"
    & skf21("4","7","7","7","3","5","7","1") = "6"
    & skf21("4","7","7","7","3","6","1","1") = "6"
    & skf21("4","7","7","7","3","6","2","1") = "6"
    & skf21("4","7","7","7","3","6","3","1") = "6"
    & skf21("4","7","7","7","3","6","4","1") = "6"
    & skf21("4","7","7","7","3","6","5","1") = "6"
    & skf21("4","7","7","7","3","6","6","1") = "6"
    & skf21("4","7","7","7","3","6","7","1") = "6"
    & skf21("4","7","7","7","3","7","1","1") = "6"
    & skf21("4","7","7","7","3","7","2","1") = "6"
    & skf21("4","7","7","7","3","7","3","1") = "6"
    & skf21("4","7","7","7","3","7","4","1") = "6"
    & skf21("4","7","7","7","3","7","5","1") = "6"
    & skf21("4","7","7","7","3","7","6","1") = "6"
    & skf21("4","7","7","7","3","7","7","1") = "6"
    & skf21("4","7","7","7","4","1","1","1") = "6"
    & skf21("4","7","7","7","4","1","2","1") = "6"
    & skf21("4","7","7","7","4","1","3","1") = "6"
    & skf21("4","7","7","7","4","1","4","1") = "6"
    & skf21("4","7","7","7","4","1","5","1") = "6"
    & skf21("4","7","7","7","4","1","6","1") = "6"
    & skf21("4","7","7","7","4","1","7","1") = "6"
    & skf21("4","7","7","7","4","2","1","1") = "6"
    & skf21("4","7","7","7","4","2","2","1") = "6"
    & skf21("4","7","7","7","4","2","3","1") = "6"
    & skf21("4","7","7","7","4","2","4","1") = "6"
    & skf21("4","7","7","7","4","2","5","1") = "6"
    & skf21("4","7","7","7","4","2","6","1") = "6"
    & skf21("4","7","7","7","4","2","7","1") = "6"
    & skf21("4","7","7","7","4","3","1","1") = "6"
    & skf21("4","7","7","7","4","3","2","1") = "6"
    & skf21("4","7","7","7","4","3","3","1") = "6"
    & skf21("4","7","7","7","4","3","4","1") = "6"
    & skf21("4","7","7","7","4","3","5","1") = "6"
    & skf21("4","7","7","7","4","3","6","1") = "6"
    & skf21("4","7","7","7","4","3","7","1") = "6"
    & skf21("4","7","7","7","4","4","1","1") = "6"
    & skf21("4","7","7","7","4","4","2","1") = "6"
    & skf21("4","7","7","7","4","4","3","1") = "6"
    & skf21("4","7","7","7","4","4","4","1") = "6"
    & skf21("4","7","7","7","4","4","5","1") = "6"
    & skf21("4","7","7","7","4","4","6","1") = "6"
    & skf21("4","7","7","7","4","4","7","1") = "6"
    & skf21("4","7","7","7","4","5","1","1") = "6"
    & skf21("4","7","7","7","4","5","2","1") = "6"
    & skf21("4","7","7","7","4","5","3","1") = "6"
    & skf21("4","7","7","7","4","5","4","1") = "6"
    & skf21("4","7","7","7","4","5","5","1") = "6"
    & skf21("4","7","7","7","4","5","6","1") = "6"
    & skf21("4","7","7","7","4","5","7","1") = "6"
    & skf21("4","7","7","7","4","6","1","1") = "6"
    & skf21("4","7","7","7","4","6","2","1") = "6"
    & skf21("4","7","7","7","4","6","3","1") = "6"
    & skf21("4","7","7","7","4","6","4","1") = "6"
    & skf21("4","7","7","7","4","6","5","1") = "6"
    & skf21("4","7","7","7","4","6","6","1") = "6"
    & skf21("4","7","7","7","4","6","7","1") = "6"
    & skf21("4","7","7","7","4","7","1","1") = "6"
    & skf21("4","7","7","7","4","7","2","1") = "6"
    & skf21("4","7","7","7","4","7","3","1") = "6"
    & skf21("4","7","7","7","4","7","4","1") = "6"
    & skf21("4","7","7","7","4","7","5","1") = "6"
    & skf21("4","7","7","7","4","7","6","1") = "6"
    & skf21("4","7","7","7","4","7","7","1") = "6"
    & skf21("4","7","7","7","5","1","1","1") = "6"
    & skf21("4","7","7","7","5","1","2","1") = "6"
    & skf21("4","7","7","7","5","1","3","1") = "6"
    & skf21("4","7","7","7","5","1","4","1") = "6"
    & skf21("4","7","7","7","5","1","5","1") = "6"
    & skf21("4","7","7","7","5","1","6","1") = "6"
    & skf21("4","7","7","7","5","1","7","1") = "6"
    & skf21("4","7","7","7","5","2","1","1") = "6"
    & skf21("4","7","7","7","5","2","2","1") = "6"
    & skf21("4","7","7","7","5","2","3","1") = "6"
    & skf21("4","7","7","7","5","2","4","1") = "6"
    & skf21("4","7","7","7","5","2","5","1") = "6"
    & skf21("4","7","7","7","5","2","6","1") = "6"
    & skf21("4","7","7","7","5","2","7","1") = "6"
    & skf21("4","7","7","7","5","3","1","1") = "6"
    & skf21("4","7","7","7","5","3","2","1") = "6"
    & skf21("4","7","7","7","5","3","3","1") = "6"
    & skf21("4","7","7","7","5","3","4","1") = "6"
    & skf21("4","7","7","7","5","3","5","1") = "6"
    & skf21("4","7","7","7","5","3","6","1") = "6"
    & skf21("4","7","7","7","5","3","7","1") = "6"
    & skf21("4","7","7","7","5","4","1","1") = "6"
    & skf21("4","7","7","7","5","4","2","1") = "6"
    & skf21("4","7","7","7","5","4","3","1") = "6"
    & skf21("4","7","7","7","5","4","4","1") = "6"
    & skf21("4","7","7","7","5","4","5","1") = "6"
    & skf21("4","7","7","7","5","4","6","1") = "6"
    & skf21("4","7","7","7","5","4","7","1") = "6"
    & skf21("4","7","7","7","5","5","1","1") = "6"
    & skf21("4","7","7","7","5","5","2","1") = "6"
    & skf21("4","7","7","7","5","5","3","1") = "6"
    & skf21("4","7","7","7","5","5","4","1") = "6"
    & skf21("4","7","7","7","5","5","5","1") = "6"
    & skf21("4","7","7","7","5","5","6","1") = "6"
    & skf21("4","7","7","7","5","5","7","1") = "6"
    & skf21("4","7","7","7","5","6","1","1") = "6"
    & skf21("4","7","7","7","5","6","2","1") = "6"
    & skf21("4","7","7","7","5","6","3","1") = "6"
    & skf21("4","7","7","7","5","6","4","1") = "6"
    & skf21("4","7","7","7","5","6","5","1") = "6"
    & skf21("4","7","7","7","5","6","6","1") = "6"
    & skf21("4","7","7","7","5","6","7","1") = "6"
    & skf21("4","7","7","7","5","7","1","1") = "6"
    & skf21("4","7","7","7","5","7","2","1") = "6"
    & skf21("4","7","7","7","5","7","3","1") = "6"
    & skf21("4","7","7","7","5","7","4","1") = "6"
    & skf21("4","7","7","7","5","7","5","1") = "6"
    & skf21("4","7","7","7","5","7","6","1") = "6"
    & skf21("4","7","7","7","5","7","7","1") = "6"
    & skf21("4","7","7","7","6","1","1","1") = "6"
    & skf21("4","7","7","7","6","1","2","1") = "6"
    & skf21("4","7","7","7","6","1","3","1") = "6"
    & skf21("4","7","7","7","6","1","4","1") = "6"
    & skf21("4","7","7","7","6","1","5","1") = "6"
    & skf21("4","7","7","7","6","1","6","1") = "6"
    & skf21("4","7","7","7","6","1","7","1") = "6"
    & skf21("4","7","7","7","6","2","1","1") = "6"
    & skf21("4","7","7","7","6","2","2","1") = "6"
    & skf21("4","7","7","7","6","2","3","1") = "6"
    & skf21("4","7","7","7","6","2","4","1") = "6"
    & skf21("4","7","7","7","6","2","5","1") = "6"
    & skf21("4","7","7","7","6","2","6","1") = "6"
    & skf21("4","7","7","7","6","2","7","1") = "6"
    & skf21("4","7","7","7","6","3","1","1") = "6"
    & skf21("4","7","7","7","6","3","2","1") = "6"
    & skf21("4","7","7","7","6","3","3","1") = "6"
    & skf21("4","7","7","7","6","3","4","1") = "6"
    & skf21("4","7","7","7","6","3","5","1") = "6"
    & skf21("4","7","7","7","6","3","6","1") = "6"
    & skf21("4","7","7","7","6","3","7","1") = "6"
    & skf21("4","7","7","7","6","4","1","1") = "6"
    & skf21("4","7","7","7","6","4","2","1") = "6"
    & skf21("4","7","7","7","6","4","3","1") = "6"
    & skf21("4","7","7","7","6","4","4","1") = "6"
    & skf21("4","7","7","7","6","4","5","1") = "6"
    & skf21("4","7","7","7","6","4","6","1") = "6"
    & skf21("4","7","7","7","6","4","7","1") = "6"
    & skf21("4","7","7","7","6","5","1","1") = "6"
    & skf21("4","7","7","7","6","5","2","1") = "6"
    & skf21("4","7","7","7","6","5","3","1") = "6"
    & skf21("4","7","7","7","6","5","4","1") = "6"
    & skf21("4","7","7","7","6","5","5","1") = "6"
    & skf21("4","7","7","7","6","5","6","1") = "6"
    & skf21("4","7","7","7","6","5","7","1") = "6"
    & skf21("4","7","7","7","6","6","1","1") = "6"
    & skf21("4","7","7","7","6","6","2","1") = "6"
    & skf21("4","7","7","7","6","6","3","1") = "6"
    & skf21("4","7","7","7","6","6","4","1") = "6"
    & skf21("4","7","7","7","6","6","5","1") = "6"
    & skf21("4","7","7","7","6","6","6","1") = "6"
    & skf21("4","7","7","7","6","6","7","1") = "6"
    & skf21("4","7","7","7","6","7","1","1") = "6"
    & skf21("4","7","7","7","6","7","2","1") = "6"
    & skf21("4","7","7","7","6","7","3","1") = "6"
    & skf21("4","7","7","7","6","7","4","1") = "6"
    & skf21("4","7","7","7","6","7","5","1") = "6"
    & skf21("4","7","7","7","6","7","6","1") = "6"
    & skf21("4","7","7","7","6","7","7","1") = "6"
    & skf21("4","7","7","7","7","1","1","1") = "6"
    & skf21("4","7","7","7","7","1","2","1") = "6"
    & skf21("4","7","7","7","7","1","3","1") = "6"
    & skf21("4","7","7","7","7","1","4","1") = "6"
    & skf21("4","7","7","7","7","1","5","1") = "6"
    & skf21("4","7","7","7","7","1","6","1") = "6"
    & skf21("4","7","7","7","7","1","7","1") = "6"
    & skf21("4","7","7","7","7","2","1","1") = "6"
    & skf21("4","7","7","7","7","2","2","1") = "6"
    & skf21("4","7","7","7","7","2","3","1") = "6"
    & skf21("4","7","7","7","7","2","4","1") = "6"
    & skf21("4","7","7","7","7","2","5","1") = "6"
    & skf21("4","7","7","7","7","2","6","1") = "6"
    & skf21("4","7","7","7","7","2","7","1") = "6"
    & skf21("4","7","7","7","7","3","1","1") = "6"
    & skf21("4","7","7","7","7","3","2","1") = "6"
    & skf21("4","7","7","7","7","3","3","1") = "6"
    & skf21("4","7","7","7","7","3","4","1") = "6"
    & skf21("4","7","7","7","7","3","5","1") = "6"
    & skf21("4","7","7","7","7","3","6","1") = "6"
    & skf21("4","7","7","7","7","3","7","1") = "6"
    & skf21("4","7","7","7","7","4","1","1") = "6"
    & skf21("4","7","7","7","7","4","2","1") = "6"
    & skf21("4","7","7","7","7","4","3","1") = "6"
    & skf21("4","7","7","7","7","4","4","1") = "6"
    & skf21("4","7","7","7","7","4","5","1") = "6"
    & skf21("4","7","7","7","7","4","6","1") = "6"
    & skf21("4","7","7","7","7","4","7","1") = "6"
    & skf21("4","7","7","7","7","5","1","1") = "6"
    & skf21("4","7","7","7","7","5","2","1") = "6"
    & skf21("4","7","7","7","7","5","3","1") = "6"
    & skf21("4","7","7","7","7","5","4","1") = "6"
    & skf21("4","7","7","7","7","5","5","1") = "6"
    & skf21("4","7","7","7","7","5","6","1") = "6"
    & skf21("4","7","7","7","7","5","7","1") = "6"
    & skf21("4","7","7","7","7","6","1","1") = "6"
    & skf21("4","7","7","7","7","6","2","1") = "6"
    & skf21("4","7","7","7","7","6","3","1") = "6"
    & skf21("4","7","7","7","7","6","4","1") = "6"
    & skf21("4","7","7","7","7","6","5","1") = "6"
    & skf21("4","7","7","7","7","6","6","1") = "6"
    & skf21("4","7","7","7","7","6","7","1") = "6"
    & skf21("4","7","7","7","7","7","1","1") = "6"
    & skf21("4","7","7","7","7","7","2","1") = "6"
    & skf21("4","7","7","7","7","7","3","1") = "6"
    & skf21("4","7","7","7","7","7","4","1") = "6"
    & skf21("4","7","7","7","7","7","5","1") = "6"
    & skf21("4","7","7","7","7","7","6","1") = "6"
    & skf21("4","7","7","7","7","7","7","1") = "6"
    & skf21("5","1","1","1","1","1","1","1") = "4"
    & skf21("5","1","1","1","1","1","2","1") = "4"
    & skf21("5","1","1","1","1","1","3","1") = "4"
    & skf21("5","1","1","1","1","1","4","1") = "4"
    & skf21("5","1","1","1","1","1","5","1") = "4"
    & skf21("5","1","1","1","1","1","6","1") = "5"
    & skf21("5","1","1","1","1","1","7","1") = "6"
    & skf21("5","1","1","1","1","2","1","1") = "4"
    & skf21("5","1","1","1","1","2","2","1") = "4"
    & skf21("5","1","1","1","1","2","3","1") = "4"
    & skf21("5","1","1","1","1","2","4","1") = "4"
    & skf21("5","1","1","1","1","2","5","1") = "4"
    & skf21("5","1","1","1","1","2","6","1") = "5"
    & skf21("5","1","1","1","1","2","7","1") = "6"
    & skf21("5","1","1","1","1","3","1","1") = "4"
    & skf21("5","1","1","1","1","3","2","1") = "4"
    & skf21("5","1","1","1","1","3","3","1") = "4"
    & skf21("5","1","1","1","1","3","4","1") = "4"
    & skf21("5","1","1","1","1","3","5","1") = "4"
    & skf21("5","1","1","1","1","3","6","1") = "5"
    & skf21("5","1","1","1","1","3","7","1") = "6"
    & skf21("5","1","1","1","1","4","1","1") = "4"
    & skf21("5","1","1","1","1","4","2","1") = "4"
    & skf21("5","1","1","1","1","4","3","1") = "4"
    & skf21("5","1","1","1","1","4","4","1") = "4"
    & skf21("5","1","1","1","1","4","5","1") = "4"
    & skf21("5","1","1","1","1","4","6","1") = "5"
    & skf21("5","1","1","1","1","4","7","1") = "6"
    & skf21("5","1","1","1","1","5","1","1") = "4"
    & skf21("5","1","1","1","1","5","2","1") = "4"
    & skf21("5","1","1","1","1","5","3","1") = "4"
    & skf21("5","1","1","1","1","5","4","1") = "4"
    & skf21("5","1","1","1","1","5","5","1") = "4"
    & skf21("5","1","1","1","1","5","6","1") = "5"
    & skf21("5","1","1","1","1","5","7","1") = "6"
    & skf21("5","1","1","1","1","6","1","1") = "5"
    & skf21("5","1","1","1","1","6","2","1") = "5"
    & skf21("5","1","1","1","1","6","3","1") = "5"
    & skf21("5","1","1","1","1","6","4","1") = "5"
    & skf21("5","1","1","1","1","6","5","1") = "5"
    & skf21("5","1","1","1","1","6","6","1") = "5"
    & skf21("5","1","1","1","1","6","7","1") = "6"
    & skf21("5","1","1","1","1","7","1","1") = "6"
    & skf21("5","1","1","1","1","7","2","1") = "6"
    & skf21("5","1","1","1","1","7","3","1") = "6"
    & skf21("5","1","1","1","1","7","4","1") = "6"
    & skf21("5","1","1","1","1","7","5","1") = "6"
    & skf21("5","1","1","1","1","7","6","1") = "6"
    & skf21("5","1","1","1","1","7","7","1") = "6"
    & skf21("5","1","1","1","2","1","1","1") = "4"
    & skf21("5","1","1","1","2","1","2","1") = "4"
    & skf21("5","1","1","1","2","1","3","1") = "4"
    & skf21("5","1","1","1","2","1","4","1") = "4"
    & skf21("5","1","1","1","2","1","5","1") = "4"
    & skf21("5","1","1","1","2","1","6","1") = "5"
    & skf21("5","1","1","1","2","1","7","1") = "6"
    & skf21("5","1","1","1","2","2","1","1") = "4"
    & skf21("5","1","1","1","2","2","2","1") = "4"
    & skf21("5","1","1","1","2","2","3","1") = "4"
    & skf21("5","1","1","1","2","2","4","1") = "4"
    & skf21("5","1","1","1","2","2","5","1") = "4"
    & skf21("5","1","1","1","2","2","6","1") = "5"
    & skf21("5","1","1","1","2","2","7","1") = "6"
    & skf21("5","1","1","1","2","3","1","1") = "4"
    & skf21("5","1","1","1","2","3","2","1") = "4"
    & skf21("5","1","1","1","2","3","3","1") = "4"
    & skf21("5","1","1","1","2","3","4","1") = "4"
    & skf21("5","1","1","1","2","3","5","1") = "4"
    & skf21("5","1","1","1","2","3","6","1") = "5"
    & skf21("5","1","1","1","2","3","7","1") = "6"
    & skf21("5","1","1","1","2","4","1","1") = "4"
    & skf21("5","1","1","1","2","4","2","1") = "4"
    & skf21("5","1","1","1","2","4","3","1") = "4"
    & skf21("5","1","1","1","2","4","4","1") = "4"
    & skf21("5","1","1","1","2","4","5","1") = "4"
    & skf21("5","1","1","1","2","4","6","1") = "5"
    & skf21("5","1","1","1","2","4","7","1") = "6"
    & skf21("5","1","1","1","2","5","1","1") = "4"
    & skf21("5","1","1","1","2","5","2","1") = "4"
    & skf21("5","1","1","1","2","5","3","1") = "4"
    & skf21("5","1","1","1","2","5","4","1") = "4"
    & skf21("5","1","1","1","2","5","5","1") = "4"
    & skf21("5","1","1","1","2","5","6","1") = "5"
    & skf21("5","1","1","1","2","5","7","1") = "6"
    & skf21("5","1","1","1","2","6","1","1") = "5"
    & skf21("5","1","1","1","2","6","2","1") = "5"
    & skf21("5","1","1","1","2","6","3","1") = "5"
    & skf21("5","1","1","1","2","6","4","1") = "5"
    & skf21("5","1","1","1","2","6","5","1") = "5"
    & skf21("5","1","1","1","2","6","6","1") = "5"
    & skf21("5","1","1","1","2","6","7","1") = "6"
    & skf21("5","1","1","1","2","7","1","1") = "6"
    & skf21("5","1","1","1","2","7","2","1") = "6"
    & skf21("5","1","1","1","2","7","3","1") = "6"
    & skf21("5","1","1","1","2","7","4","1") = "6"
    & skf21("5","1","1","1","2","7","5","1") = "6"
    & skf21("5","1","1","1","2","7","6","1") = "6"
    & skf21("5","1","1","1","2","7","7","1") = "6"
    & skf21("5","1","1","1","3","1","1","1") = "4"
    & skf21("5","1","1","1","3","1","2","1") = "4"
    & skf21("5","1","1","1","3","1","3","1") = "4"
    & skf21("5","1","1","1","3","1","4","1") = "4"
    & skf21("5","1","1","1","3","1","5","1") = "4"
    & skf21("5","1","1","1","3","1","6","1") = "5"
    & skf21("5","1","1","1","3","1","7","1") = "6"
    & skf21("5","1","1","1","3","2","1","1") = "4"
    & skf21("5","1","1","1","3","2","2","1") = "4"
    & skf21("5","1","1","1","3","2","3","1") = "4"
    & skf21("5","1","1","1","3","2","4","1") = "4"
    & skf21("5","1","1","1","3","2","5","1") = "4"
    & skf21("5","1","1","1","3","2","6","1") = "5"
    & skf21("5","1","1","1","3","2","7","1") = "6"
    & skf21("5","1","1","1","3","3","1","1") = "4"
    & skf21("5","1","1","1","3","3","2","1") = "4"
    & skf21("5","1","1","1","3","3","3","1") = "4"
    & skf21("5","1","1","1","3","3","4","1") = "4"
    & skf21("5","1","1","1","3","3","5","1") = "4"
    & skf21("5","1","1","1","3","3","6","1") = "5"
    & skf21("5","1","1","1","3","3","7","1") = "6"
    & skf21("5","1","1","1","3","4","1","1") = "4"
    & skf21("5","1","1","1","3","4","2","1") = "4"
    & skf21("5","1","1","1","3","4","3","1") = "4"
    & skf21("5","1","1","1","3","4","4","1") = "4"
    & skf21("5","1","1","1","3","4","5","1") = "4"
    & skf21("5","1","1","1","3","4","6","1") = "5"
    & skf21("5","1","1","1","3","4","7","1") = "6"
    & skf21("5","1","1","1","3","5","1","1") = "4"
    & skf21("5","1","1","1","3","5","2","1") = "4"
    & skf21("5","1","1","1","3","5","3","1") = "4"
    & skf21("5","1","1","1","3","5","4","1") = "4"
    & skf21("5","1","1","1","3","5","5","1") = "4"
    & skf21("5","1","1","1","3","5","6","1") = "5"
    & skf21("5","1","1","1","3","5","7","1") = "6"
    & skf21("5","1","1","1","3","6","1","1") = "5"
    & skf21("5","1","1","1","3","6","2","1") = "5"
    & skf21("5","1","1","1","3","6","3","1") = "5"
    & skf21("5","1","1","1","3","6","4","1") = "5"
    & skf21("5","1","1","1","3","6","5","1") = "5"
    & skf21("5","1","1","1","3","6","6","1") = "5"
    & skf21("5","1","1","1","3","6","7","1") = "6"
    & skf21("5","1","1","1","3","7","1","1") = "6"
    & skf21("5","1","1","1","3","7","2","1") = "6"
    & skf21("5","1","1","1","3","7","3","1") = "6"
    & skf21("5","1","1","1","3","7","4","1") = "6"
    & skf21("5","1","1","1","3","7","5","1") = "6"
    & skf21("5","1","1","1","3","7","6","1") = "6"
    & skf21("5","1","1","1","3","7","7","1") = "6"
    & skf21("5","1","1","1","4","1","1","1") = "4"
    & skf21("5","1","1","1","4","1","2","1") = "4"
    & skf21("5","1","1","1","4","1","3","1") = "4"
    & skf21("5","1","1","1","4","1","4","1") = "4"
    & skf21("5","1","1","1","4","1","5","1") = "4"
    & skf21("5","1","1","1","4","1","6","1") = "5"
    & skf21("5","1","1","1","4","1","7","1") = "6"
    & skf21("5","1","1","1","4","2","1","1") = "4"
    & skf21("5","1","1","1","4","2","2","1") = "4"
    & skf21("5","1","1","1","4","2","3","1") = "4"
    & skf21("5","1","1","1","4","2","4","1") = "4"
    & skf21("5","1","1","1","4","2","5","1") = "4"
    & skf21("5","1","1","1","4","2","6","1") = "5"
    & skf21("5","1","1","1","4","2","7","1") = "6"
    & skf21("5","1","1","1","4","3","1","1") = "4"
    & skf21("5","1","1","1","4","3","2","1") = "4"
    & skf21("5","1","1","1","4","3","3","1") = "4"
    & skf21("5","1","1","1","4","3","4","1") = "4"
    & skf21("5","1","1","1","4","3","5","1") = "4"
    & skf21("5","1","1","1","4","3","6","1") = "5"
    & skf21("5","1","1","1","4","3","7","1") = "6"
    & skf21("5","1","1","1","4","4","1","1") = "4"
    & skf21("5","1","1","1","4","4","2","1") = "4"
    & skf21("5","1","1","1","4","4","3","1") = "4"
    & skf21("5","1","1","1","4","4","4","1") = "4"
    & skf21("5","1","1","1","4","4","5","1") = "4"
    & skf21("5","1","1","1","4","4","6","1") = "5"
    & skf21("5","1","1","1","4","4","7","1") = "6"
    & skf21("5","1","1","1","4","5","1","1") = "4"
    & skf21("5","1","1","1","4","5","2","1") = "4"
    & skf21("5","1","1","1","4","5","3","1") = "4"
    & skf21("5","1","1","1","4","5","4","1") = "4"
    & skf21("5","1","1","1","4","5","5","1") = "4"
    & skf21("5","1","1","1","4","5","6","1") = "5"
    & skf21("5","1","1","1","4","5","7","1") = "6"
    & skf21("5","1","1","1","4","6","1","1") = "5"
    & skf21("5","1","1","1","4","6","2","1") = "5"
    & skf21("5","1","1","1","4","6","3","1") = "5"
    & skf21("5","1","1","1","4","6","4","1") = "5"
    & skf21("5","1","1","1","4","6","5","1") = "5"
    & skf21("5","1","1","1","4","6","6","1") = "5"
    & skf21("5","1","1","1","4","6","7","1") = "6"
    & skf21("5","1","1","1","4","7","1","1") = "6"
    & skf21("5","1","1","1","4","7","2","1") = "6"
    & skf21("5","1","1","1","4","7","3","1") = "6"
    & skf21("5","1","1","1","4","7","4","1") = "6"
    & skf21("5","1","1","1","4","7","5","1") = "6"
    & skf21("5","1","1","1","4","7","6","1") = "6"
    & skf21("5","1","1","1","4","7","7","1") = "6"
    & skf21("5","1","1","1","5","1","1","1") = "4"
    & skf21("5","1","1","1","5","1","2","1") = "4"
    & skf21("5","1","1","1","5","1","3","1") = "4"
    & skf21("5","1","1","1","5","1","4","1") = "4"
    & skf21("5","1","1","1","5","1","5","1") = "4"
    & skf21("5","1","1","1","5","1","6","1") = "5"
    & skf21("5","1","1","1","5","1","7","1") = "6"
    & skf21("5","1","1","1","5","2","1","1") = "4"
    & skf21("5","1","1","1","5","2","2","1") = "4"
    & skf21("5","1","1","1","5","2","3","1") = "4"
    & skf21("5","1","1","1","5","2","4","1") = "4"
    & skf21("5","1","1","1","5","2","5","1") = "4"
    & skf21("5","1","1","1","5","2","6","1") = "5"
    & skf21("5","1","1","1","5","2","7","1") = "6"
    & skf21("5","1","1","1","5","3","1","1") = "4"
    & skf21("5","1","1","1","5","3","2","1") = "4"
    & skf21("5","1","1","1","5","3","3","1") = "4"
    & skf21("5","1","1","1","5","3","4","1") = "4"
    & skf21("5","1","1","1","5","3","5","1") = "4"
    & skf21("5","1","1","1","5","3","6","1") = "5"
    & skf21("5","1","1","1","5","3","7","1") = "6"
    & skf21("5","1","1","1","5","4","1","1") = "4"
    & skf21("5","1","1","1","5","4","2","1") = "4"
    & skf21("5","1","1","1","5","4","3","1") = "4"
    & skf21("5","1","1","1","5","4","4","1") = "4"
    & skf21("5","1","1","1","5","4","5","1") = "4"
    & skf21("5","1","1","1","5","4","6","1") = "5"
    & skf21("5","1","1","1","5","4","7","1") = "6"
    & skf21("5","1","1","1","5","5","1","1") = "4"
    & skf21("5","1","1","1","5","5","2","1") = "4"
    & skf21("5","1","1","1","5","5","3","1") = "4"
    & skf21("5","1","1","1","5","5","4","1") = "4"
    & skf21("5","1","1","1","5","5","5","1") = "4"
    & skf21("5","1","1","1","5","5","6","1") = "5"
    & skf21("5","1","1","1","5","5","7","1") = "6"
    & skf21("5","1","1","1","5","6","1","1") = "5"
    & skf21("5","1","1","1","5","6","2","1") = "5"
    & skf21("5","1","1","1","5","6","3","1") = "5"
    & skf21("5","1","1","1","5","6","4","1") = "5"
    & skf21("5","1","1","1","5","6","5","1") = "5"
    & skf21("5","1","1","1","5","6","6","1") = "5"
    & skf21("5","1","1","1","5","6","7","1") = "6"
    & skf21("5","1","1","1","5","7","1","1") = "6"
    & skf21("5","1","1","1","5","7","2","1") = "6"
    & skf21("5","1","1","1","5","7","3","1") = "6"
    & skf21("5","1","1","1","5","7","4","1") = "6"
    & skf21("5","1","1","1","5","7","5","1") = "6"
    & skf21("5","1","1","1","5","7","6","1") = "6"
    & skf21("5","1","1","1","5","7","7","1") = "6"
    & skf21("5","1","1","1","6","1","1","1") = "5"
    & skf21("5","1","1","1","6","1","2","1") = "5"
    & skf21("5","1","1","1","6","1","3","1") = "5"
    & skf21("5","1","1","1","6","1","4","1") = "5"
    & skf21("5","1","1","1","6","1","5","1") = "5"
    & skf21("5","1","1","1","6","1","6","1") = "5"
    & skf21("5","1","1","1","6","1","7","1") = "6"
    & skf21("5","1","1","1","6","2","1","1") = "5"
    & skf21("5","1","1","1","6","2","2","1") = "5"
    & skf21("5","1","1","1","6","2","3","1") = "5"
    & skf21("5","1","1","1","6","2","4","1") = "5"
    & skf21("5","1","1","1","6","2","5","1") = "5"
    & skf21("5","1","1","1","6","2","6","1") = "5"
    & skf21("5","1","1","1","6","2","7","1") = "6"
    & skf21("5","1","1","1","6","3","1","1") = "5"
    & skf21("5","1","1","1","6","3","2","1") = "5"
    & skf21("5","1","1","1","6","3","3","1") = "5"
    & skf21("5","1","1","1","6","3","4","1") = "5"
    & skf21("5","1","1","1","6","3","5","1") = "5"
    & skf21("5","1","1","1","6","3","6","1") = "5"
    & skf21("5","1","1","1","6","3","7","1") = "6"
    & skf21("5","1","1","1","6","4","1","1") = "5"
    & skf21("5","1","1","1","6","4","2","1") = "5"
    & skf21("5","1","1","1","6","4","3","1") = "5"
    & skf21("5","1","1","1","6","4","4","1") = "5"
    & skf21("5","1","1","1","6","4","5","1") = "5"
    & skf21("5","1","1","1","6","4","6","1") = "5"
    & skf21("5","1","1","1","6","4","7","1") = "6"
    & skf21("5","1","1","1","6","5","1","1") = "5"
    & skf21("5","1","1","1","6","5","2","1") = "5"
    & skf21("5","1","1","1","6","5","3","1") = "5"
    & skf21("5","1","1","1","6","5","4","1") = "5"
    & skf21("5","1","1","1","6","5","5","1") = "5"
    & skf21("5","1","1","1","6","5","6","1") = "5"
    & skf21("5","1","1","1","6","5","7","1") = "6"
    & skf21("5","1","1","1","6","6","1","1") = "5"
    & skf21("5","1","1","1","6","6","2","1") = "5"
    & skf21("5","1","1","1","6","6","3","1") = "5"
    & skf21("5","1","1","1","6","6","4","1") = "5"
    & skf21("5","1","1","1","6","6","5","1") = "5"
    & skf21("5","1","1","1","6","6","6","1") = "5"
    & skf21("5","1","1","1","6","6","7","1") = "6"
    & skf21("5","1","1","1","6","7","1","1") = "6"
    & skf21("5","1","1","1","6","7","2","1") = "6"
    & skf21("5","1","1","1","6","7","3","1") = "6"
    & skf21("5","1","1","1","6","7","4","1") = "6"
    & skf21("5","1","1","1","6","7","5","1") = "6"
    & skf21("5","1","1","1","6","7","6","1") = "6"
    & skf21("5","1","1","1","6","7","7","1") = "6"
    & skf21("5","1","1","1","7","1","1","1") = "6"
    & skf21("5","1","1","1","7","1","2","1") = "6"
    & skf21("5","1","1","1","7","1","3","1") = "6"
    & skf21("5","1","1","1","7","1","4","1") = "6"
    & skf21("5","1","1","1","7","1","5","1") = "6"
    & skf21("5","1","1","1","7","1","6","1") = "6"
    & skf21("5","1","1","1","7","1","7","1") = "6"
    & skf21("5","1","1","1","7","2","1","1") = "6"
    & skf21("5","1","1","1","7","2","2","1") = "6"
    & skf21("5","1","1","1","7","2","3","1") = "6"
    & skf21("5","1","1","1","7","2","4","1") = "6"
    & skf21("5","1","1","1","7","2","5","1") = "6"
    & skf21("5","1","1","1","7","2","6","1") = "6"
    & skf21("5","1","1","1","7","2","7","1") = "6"
    & skf21("5","1","1","1","7","3","1","1") = "6"
    & skf21("5","1","1","1","7","3","2","1") = "6"
    & skf21("5","1","1","1","7","3","3","1") = "6"
    & skf21("5","1","1","1","7","3","4","1") = "6"
    & skf21("5","1","1","1","7","3","5","1") = "6"
    & skf21("5","1","1","1","7","3","6","1") = "6"
    & skf21("5","1","1","1","7","3","7","1") = "6"
    & skf21("5","1","1","1","7","4","1","1") = "6"
    & skf21("5","1","1","1","7","4","2","1") = "6"
    & skf21("5","1","1","1","7","4","3","1") = "6"
    & skf21("5","1","1","1","7","4","4","1") = "6"
    & skf21("5","1","1","1","7","4","5","1") = "6"
    & skf21("5","1","1","1","7","4","6","1") = "6"
    & skf21("5","1","1","1","7","4","7","1") = "6"
    & skf21("5","1","1","1","7","5","1","1") = "6"
    & skf21("5","1","1","1","7","5","2","1") = "6"
    & skf21("5","1","1","1","7","5","3","1") = "6"
    & skf21("5","1","1","1","7","5","4","1") = "6"
    & skf21("5","1","1","1","7","5","5","1") = "6"
    & skf21("5","1","1","1","7","5","6","1") = "6"
    & skf21("5","1","1","1","7","5","7","1") = "6"
    & skf21("5","1","1","1","7","6","1","1") = "6"
    & skf21("5","1","1","1","7","6","2","1") = "6"
    & skf21("5","1","1","1","7","6","3","1") = "6"
    & skf21("5","1","1","1","7","6","4","1") = "6"
    & skf21("5","1","1","1","7","6","5","1") = "6"
    & skf21("5","1","1","1","7","6","6","1") = "6"
    & skf21("5","1","1","1","7","6","7","1") = "6"
    & skf21("5","1","1","1","7","7","1","1") = "6"
    & skf21("5","1","1","1","7","7","2","1") = "6"
    & skf21("5","1","1","1","7","7","3","1") = "6"
    & skf21("5","1","1","1","7","7","4","1") = "6"
    & skf21("5","1","1","1","7","7","5","1") = "6"
    & skf21("5","1","1","1","7","7","6","1") = "6"
    & skf21("5","1","1","1","7","7","7","1") = "6"
    & skf21("5","1","1","2","1","1","1","1") = "4"
    & skf21("5","1","1","2","1","1","2","1") = "4"
    & skf21("5","1","1","2","1","1","3","1") = "4"
    & skf21("5","1","1","2","1","1","4","1") = "4"
    & skf21("5","1","1","2","1","1","5","1") = "4"
    & skf21("5","1","1","2","1","1","6","1") = "5"
    & skf21("5","1","1","2","1","1","7","1") = "6"
    & skf21("5","1","1","2","1","2","1","1") = "4"
    & skf21("5","1","1","2","1","2","2","1") = "4"
    & skf21("5","1","1","2","1","2","3","1") = "4"
    & skf21("5","1","1","2","1","2","4","1") = "4"
    & skf21("5","1","1","2","1","2","5","1") = "4"
    & skf21("5","1","1","2","1","2","6","1") = "5"
    & skf21("5","1","1","2","1","2","7","1") = "6"
    & skf21("5","1","1","2","1","3","1","1") = "4"
    & skf21("5","1","1","2","1","3","2","1") = "4"
    & skf21("5","1","1","2","1","3","3","1") = "4"
    & skf21("5","1","1","2","1","3","4","1") = "4"
    & skf21("5","1","1","2","1","3","5","1") = "4"
    & skf21("5","1","1","2","1","3","6","1") = "5"
    & skf21("5","1","1","2","1","3","7","1") = "6"
    & skf21("5","1","1","2","1","4","1","1") = "4"
    & skf21("5","1","1","2","1","4","2","1") = "4"
    & skf21("5","1","1","2","1","4","3","1") = "4"
    & skf21("5","1","1","2","1","4","4","1") = "4"
    & skf21("5","1","1","2","1","4","5","1") = "4"
    & skf21("5","1","1","2","1","4","6","1") = "5"
    & skf21("5","1","1","2","1","4","7","1") = "6"
    & skf21("5","1","1","2","1","5","1","1") = "4"
    & skf21("5","1","1","2","1","5","2","1") = "4"
    & skf21("5","1","1","2","1","5","3","1") = "4"
    & skf21("5","1","1","2","1","5","4","1") = "4"
    & skf21("5","1","1","2","1","5","5","1") = "4"
    & skf21("5","1","1","2","1","5","6","1") = "5"
    & skf21("5","1","1","2","1","5","7","1") = "6"
    & skf21("5","1","1","2","1","6","1","1") = "5"
    & skf21("5","1","1","2","1","6","2","1") = "5"
    & skf21("5","1","1","2","1","6","3","1") = "5"
    & skf21("5","1","1","2","1","6","4","1") = "5"
    & skf21("5","1","1","2","1","6","5","1") = "5"
    & skf21("5","1","1","2","1","6","6","1") = "5"
    & skf21("5","1","1","2","1","6","7","1") = "6"
    & skf21("5","1","1","2","1","7","1","1") = "6"
    & skf21("5","1","1","2","1","7","2","1") = "6"
    & skf21("5","1","1","2","1","7","3","1") = "6"
    & skf21("5","1","1","2","1","7","4","1") = "6"
    & skf21("5","1","1","2","1","7","5","1") = "6"
    & skf21("5","1","1","2","1","7","6","1") = "6"
    & skf21("5","1","1","2","1","7","7","1") = "6"
    & skf21("5","1","1","2","2","1","1","1") = "4"
    & skf21("5","1","1","2","2","1","2","1") = "4"
    & skf21("5","1","1","2","2","1","3","1") = "4"
    & skf21("5","1","1","2","2","1","4","1") = "4"
    & skf21("5","1","1","2","2","1","5","1") = "4"
    & skf21("5","1","1","2","2","1","6","1") = "5"
    & skf21("5","1","1","2","2","1","7","1") = "6"
    & skf21("5","1","1","2","2","2","1","1") = "4"
    & skf21("5","1","1","2","2","2","2","1") = "4"
    & skf21("5","1","1","2","2","2","3","1") = "4"
    & skf21("5","1","1","2","2","2","4","1") = "4"
    & skf21("5","1","1","2","2","2","5","1") = "4"
    & skf21("5","1","1","2","2","2","6","1") = "5"
    & skf21("5","1","1","2","2","2","7","1") = "6"
    & skf21("5","1","1","2","2","3","1","1") = "4"
    & skf21("5","1","1","2","2","3","2","1") = "4"
    & skf21("5","1","1","2","2","3","3","1") = "4"
    & skf21("5","1","1","2","2","3","4","1") = "4"
    & skf21("5","1","1","2","2","3","5","1") = "4"
    & skf21("5","1","1","2","2","3","6","1") = "5"
    & skf21("5","1","1","2","2","3","7","1") = "6"
    & skf21("5","1","1","2","2","4","1","1") = "4"
    & skf21("5","1","1","2","2","4","2","1") = "4"
    & skf21("5","1","1","2","2","4","3","1") = "4"
    & skf21("5","1","1","2","2","4","4","1") = "4"
    & skf21("5","1","1","2","2","4","5","1") = "4"
    & skf21("5","1","1","2","2","4","6","1") = "5"
    & skf21("5","1","1","2","2","4","7","1") = "6"
    & skf21("5","1","1","2","2","5","1","1") = "4"
    & skf21("5","1","1","2","2","5","2","1") = "4"
    & skf21("5","1","1","2","2","5","3","1") = "4"
    & skf21("5","1","1","2","2","5","4","1") = "4"
    & skf21("5","1","1","2","2","5","5","1") = "4"
    & skf21("5","1","1","2","2","5","6","1") = "5"
    & skf21("5","1","1","2","2","5","7","1") = "6"
    & skf21("5","1","1","2","2","6","1","1") = "5"
    & skf21("5","1","1","2","2","6","2","1") = "5"
    & skf21("5","1","1","2","2","6","3","1") = "5"
    & skf21("5","1","1","2","2","6","4","1") = "5"
    & skf21("5","1","1","2","2","6","5","1") = "5"
    & skf21("5","1","1","2","2","6","6","1") = "5"
    & skf21("5","1","1","2","2","6","7","1") = "6"
    & skf21("5","1","1","2","2","7","1","1") = "6"
    & skf21("5","1","1","2","2","7","2","1") = "6"
    & skf21("5","1","1","2","2","7","3","1") = "6"
    & skf21("5","1","1","2","2","7","4","1") = "6"
    & skf21("5","1","1","2","2","7","5","1") = "6"
    & skf21("5","1","1","2","2","7","6","1") = "6"
    & skf21("5","1","1","2","2","7","7","1") = "6"
    & skf21("5","1","1","2","3","1","1","1") = "4"
    & skf21("5","1","1","2","3","1","2","1") = "4"
    & skf21("5","1","1","2","3","1","3","1") = "4"
    & skf21("5","1","1","2","3","1","4","1") = "4"
    & skf21("5","1","1","2","3","1","5","1") = "4"
    & skf21("5","1","1","2","3","1","6","1") = "5"
    & skf21("5","1","1","2","3","1","7","1") = "6"
    & skf21("5","1","1","2","3","2","1","1") = "4"
    & skf21("5","1","1","2","3","2","2","1") = "4"
    & skf21("5","1","1","2","3","2","3","1") = "4"
    & skf21("5","1","1","2","3","2","4","1") = "4"
    & skf21("5","1","1","2","3","2","5","1") = "4"
    & skf21("5","1","1","2","3","2","6","1") = "5"
    & skf21("5","1","1","2","3","2","7","1") = "6"
    & skf21("5","1","1","2","3","3","1","1") = "4"
    & skf21("5","1","1","2","3","3","2","1") = "4"
    & skf21("5","1","1","2","3","3","3","1") = "4"
    & skf21("5","1","1","2","3","3","4","1") = "4"
    & skf21("5","1","1","2","3","3","5","1") = "4"
    & skf21("5","1","1","2","3","3","6","1") = "5"
    & skf21("5","1","1","2","3","3","7","1") = "6"
    & skf21("5","1","1","2","3","4","1","1") = "4"
    & skf21("5","1","1","2","3","4","2","1") = "4"
    & skf21("5","1","1","2","3","4","3","1") = "4"
    & skf21("5","1","1","2","3","4","4","1") = "4"
    & skf21("5","1","1","2","3","4","5","1") = "4"
    & skf21("5","1","1","2","3","4","6","1") = "5"
    & skf21("5","1","1","2","3","4","7","1") = "6"
    & skf21("5","1","1","2","3","5","1","1") = "4"
    & skf21("5","1","1","2","3","5","2","1") = "4"
    & skf21("5","1","1","2","3","5","3","1") = "4"
    & skf21("5","1","1","2","3","5","4","1") = "4"
    & skf21("5","1","1","2","3","5","5","1") = "4"
    & skf21("5","1","1","2","3","5","6","1") = "5"
    & skf21("5","1","1","2","3","5","7","1") = "6"
    & skf21("5","1","1","2","3","6","1","1") = "5"
    & skf21("5","1","1","2","3","6","2","1") = "5"
    & skf21("5","1","1","2","3","6","3","1") = "5"
    & skf21("5","1","1","2","3","6","4","1") = "5"
    & skf21("5","1","1","2","3","6","5","1") = "5"
    & skf21("5","1","1","2","3","6","6","1") = "5"
    & skf21("5","1","1","2","3","6","7","1") = "6"
    & skf21("5","1","1","2","3","7","1","1") = "6"
    & skf21("5","1","1","2","3","7","2","1") = "6"
    & skf21("5","1","1","2","3","7","3","1") = "6"
    & skf21("5","1","1","2","3","7","4","1") = "6"
    & skf21("5","1","1","2","3","7","5","1") = "6"
    & skf21("5","1","1","2","3","7","6","1") = "6"
    & skf21("5","1","1","2","3","7","7","1") = "6"
    & skf21("5","1","1","2","4","1","1","1") = "4"
    & skf21("5","1","1","2","4","1","2","1") = "4"
    & skf21("5","1","1","2","4","1","3","1") = "4"
    & skf21("5","1","1","2","4","1","4","1") = "4"
    & skf21("5","1","1","2","4","1","5","1") = "4"
    & skf21("5","1","1","2","4","1","6","1") = "5"
    & skf21("5","1","1","2","4","1","7","1") = "6"
    & skf21("5","1","1","2","4","2","1","1") = "4"
    & skf21("5","1","1","2","4","2","2","1") = "4"
    & skf21("5","1","1","2","4","2","3","1") = "4"
    & skf21("5","1","1","2","4","2","4","1") = "4"
    & skf21("5","1","1","2","4","2","5","1") = "4"
    & skf21("5","1","1","2","4","2","6","1") = "5"
    & skf21("5","1","1","2","4","2","7","1") = "6"
    & skf21("5","1","1","2","4","3","1","1") = "4"
    & skf21("5","1","1","2","4","3","2","1") = "4"
    & skf21("5","1","1","2","4","3","3","1") = "4"
    & skf21("5","1","1","2","4","3","4","1") = "4"
    & skf21("5","1","1","2","4","3","5","1") = "4"
    & skf21("5","1","1","2","4","3","6","1") = "5"
    & skf21("5","1","1","2","4","3","7","1") = "6"
    & skf21("5","1","1","2","4","4","1","1") = "4"
    & skf21("5","1","1","2","4","4","2","1") = "4"
    & skf21("5","1","1","2","4","4","3","1") = "4"
    & skf21("5","1","1","2","4","4","4","1") = "4"
    & skf21("5","1","1","2","4","4","5","1") = "4"
    & skf21("5","1","1","2","4","4","6","1") = "5"
    & skf21("5","1","1","2","4","4","7","1") = "6"
    & skf21("5","1","1","2","4","5","1","1") = "4"
    & skf21("5","1","1","2","4","5","2","1") = "4"
    & skf21("5","1","1","2","4","5","3","1") = "4"
    & skf21("5","1","1","2","4","5","4","1") = "4"
    & skf21("5","1","1","2","4","5","5","1") = "4"
    & skf21("5","1","1","2","4","5","6","1") = "5"
    & skf21("5","1","1","2","4","5","7","1") = "6"
    & skf21("5","1","1","2","4","6","1","1") = "5"
    & skf21("5","1","1","2","4","6","2","1") = "5"
    & skf21("5","1","1","2","4","6","3","1") = "5"
    & skf21("5","1","1","2","4","6","4","1") = "5"
    & skf21("5","1","1","2","4","6","5","1") = "5"
    & skf21("5","1","1","2","4","6","6","1") = "5"
    & skf21("5","1","1","2","4","6","7","1") = "6"
    & skf21("5","1","1","2","4","7","1","1") = "6"
    & skf21("5","1","1","2","4","7","2","1") = "6"
    & skf21("5","1","1","2","4","7","3","1") = "6"
    & skf21("5","1","1","2","4","7","4","1") = "6"
    & skf21("5","1","1","2","4","7","5","1") = "6"
    & skf21("5","1","1","2","4","7","6","1") = "6"
    & skf21("5","1","1","2","4","7","7","1") = "6"
    & skf21("5","1","1","2","5","1","1","1") = "4"
    & skf21("5","1","1","2","5","1","2","1") = "4"
    & skf21("5","1","1","2","5","1","3","1") = "4"
    & skf21("5","1","1","2","5","1","4","1") = "4"
    & skf21("5","1","1","2","5","1","5","1") = "4"
    & skf21("5","1","1","2","5","1","6","1") = "5"
    & skf21("5","1","1","2","5","1","7","1") = "6"
    & skf21("5","1","1","2","5","2","1","1") = "4"
    & skf21("5","1","1","2","5","2","2","1") = "4"
    & skf21("5","1","1","2","5","2","3","1") = "4"
    & skf21("5","1","1","2","5","2","4","1") = "4"
    & skf21("5","1","1","2","5","2","5","1") = "4"
    & skf21("5","1","1","2","5","2","6","1") = "5"
    & skf21("5","1","1","2","5","2","7","1") = "6"
    & skf21("5","1","1","2","5","3","1","1") = "4"
    & skf21("5","1","1","2","5","3","2","1") = "4"
    & skf21("5","1","1","2","5","3","3","1") = "4"
    & skf21("5","1","1","2","5","3","4","1") = "4"
    & skf21("5","1","1","2","5","3","5","1") = "4"
    & skf21("5","1","1","2","5","3","6","1") = "5"
    & skf21("5","1","1","2","5","3","7","1") = "6"
    & skf21("5","1","1","2","5","4","1","1") = "4"
    & skf21("5","1","1","2","5","4","2","1") = "4"
    & skf21("5","1","1","2","5","4","3","1") = "4"
    & skf21("5","1","1","2","5","4","4","1") = "4"
    & skf21("5","1","1","2","5","4","5","1") = "4"
    & skf21("5","1","1","2","5","4","6","1") = "5"
    & skf21("5","1","1","2","5","4","7","1") = "6"
    & skf21("5","1","1","2","5","5","1","1") = "4"
    & skf21("5","1","1","2","5","5","2","1") = "4"
    & skf21("5","1","1","2","5","5","3","1") = "4"
    & skf21("5","1","1","2","5","5","4","1") = "4"
    & skf21("5","1","1","2","5","5","5","1") = "4"
    & skf21("5","1","1","2","5","5","6","1") = "5"
    & skf21("5","1","1","2","5","5","7","1") = "6"
    & skf21("5","1","1","2","5","6","1","1") = "5"
    & skf21("5","1","1","2","5","6","2","1") = "5"
    & skf21("5","1","1","2","5","6","3","1") = "5"
    & skf21("5","1","1","2","5","6","4","1") = "5"
    & skf21("5","1","1","2","5","6","5","1") = "5"
    & skf21("5","1","1","2","5","6","6","1") = "5"
    & skf21("5","1","1","2","5","6","7","1") = "6"
    & skf21("5","1","1","2","5","7","1","1") = "6"
    & skf21("5","1","1","2","5","7","2","1") = "6"
    & skf21("5","1","1","2","5","7","3","1") = "6"
    & skf21("5","1","1","2","5","7","4","1") = "6"
    & skf21("5","1","1","2","5","7","5","1") = "6"
    & skf21("5","1","1","2","5","7","6","1") = "6"
    & skf21("5","1","1","2","5","7","7","1") = "6"
    & skf21("5","1","1","2","6","1","1","1") = "5"
    & skf21("5","1","1","2","6","1","2","1") = "5"
    & skf21("5","1","1","2","6","1","3","1") = "5"
    & skf21("5","1","1","2","6","1","4","1") = "5"
    & skf21("5","1","1","2","6","1","5","1") = "5"
    & skf21("5","1","1","2","6","1","6","1") = "5"
    & skf21("5","1","1","2","6","1","7","1") = "6"
    & skf21("5","1","1","2","6","2","1","1") = "5"
    & skf21("5","1","1","2","6","2","2","1") = "5"
    & skf21("5","1","1","2","6","2","3","1") = "5"
    & skf21("5","1","1","2","6","2","4","1") = "5"
    & skf21("5","1","1","2","6","2","5","1") = "5"
    & skf21("5","1","1","2","6","2","6","1") = "5"
    & skf21("5","1","1","2","6","2","7","1") = "6"
    & skf21("5","1","1","2","6","3","1","1") = "5"
    & skf21("5","1","1","2","6","3","2","1") = "5"
    & skf21("5","1","1","2","6","3","3","1") = "5"
    & skf21("5","1","1","2","6","3","4","1") = "5"
    & skf21("5","1","1","2","6","3","5","1") = "5"
    & skf21("5","1","1","2","6","3","6","1") = "5"
    & skf21("5","1","1","2","6","3","7","1") = "6"
    & skf21("5","1","1","2","6","4","1","1") = "5"
    & skf21("5","1","1","2","6","4","2","1") = "5"
    & skf21("5","1","1","2","6","4","3","1") = "5"
    & skf21("5","1","1","2","6","4","4","1") = "5"
    & skf21("5","1","1","2","6","4","5","1") = "5"
    & skf21("5","1","1","2","6","4","6","1") = "5"
    & skf21("5","1","1","2","6","4","7","1") = "6"
    & skf21("5","1","1","2","6","5","1","1") = "5"
    & skf21("5","1","1","2","6","5","2","1") = "5"
    & skf21("5","1","1","2","6","5","3","1") = "5"
    & skf21("5","1","1","2","6","5","4","1") = "5"
    & skf21("5","1","1","2","6","5","5","1") = "5"
    & skf21("5","1","1","2","6","5","6","1") = "5"
    & skf21("5","1","1","2","6","5","7","1") = "6"
    & skf21("5","1","1","2","6","6","1","1") = "5"
    & skf21("5","1","1","2","6","6","2","1") = "5"
    & skf21("5","1","1","2","6","6","3","1") = "5"
    & skf21("5","1","1","2","6","6","4","1") = "5"
    & skf21("5","1","1","2","6","6","5","1") = "5"
    & skf21("5","1","1","2","6","6","6","1") = "5"
    & skf21("5","1","1","2","6","6","7","1") = "6"
    & skf21("5","1","1","2","6","7","1","1") = "6"
    & skf21("5","1","1","2","6","7","2","1") = "6"
    & skf21("5","1","1","2","6","7","3","1") = "6"
    & skf21("5","1","1","2","6","7","4","1") = "6"
    & skf21("5","1","1","2","6","7","5","1") = "6"
    & skf21("5","1","1","2","6","7","6","1") = "6"
    & skf21("5","1","1","2","6","7","7","1") = "6"
    & skf21("5","1","1","2","7","1","1","1") = "6"
    & skf21("5","1","1","2","7","1","2","1") = "6"
    & skf21("5","1","1","2","7","1","3","1") = "6"
    & skf21("5","1","1","2","7","1","4","1") = "6"
    & skf21("5","1","1","2","7","1","5","1") = "6"
    & skf21("5","1","1","2","7","1","6","1") = "6"
    & skf21("5","1","1","2","7","1","7","1") = "6"
    & skf21("5","1","1","2","7","2","1","1") = "6"
    & skf21("5","1","1","2","7","2","2","1") = "6"
    & skf21("5","1","1","2","7","2","3","1") = "6"
    & skf21("5","1","1","2","7","2","4","1") = "6"
    & skf21("5","1","1","2","7","2","5","1") = "6"
    & skf21("5","1","1","2","7","2","6","1") = "6"
    & skf21("5","1","1","2","7","2","7","1") = "6"
    & skf21("5","1","1","2","7","3","1","1") = "6"
    & skf21("5","1","1","2","7","3","2","1") = "6"
    & skf21("5","1","1","2","7","3","3","1") = "6"
    & skf21("5","1","1","2","7","3","4","1") = "6"
    & skf21("5","1","1","2","7","3","5","1") = "6"
    & skf21("5","1","1","2","7","3","6","1") = "6"
    & skf21("5","1","1","2","7","3","7","1") = "6"
    & skf21("5","1","1","2","7","4","1","1") = "6"
    & skf21("5","1","1","2","7","4","2","1") = "6"
    & skf21("5","1","1","2","7","4","3","1") = "6"
    & skf21("5","1","1","2","7","4","4","1") = "6"
    & skf21("5","1","1","2","7","4","5","1") = "6"
    & skf21("5","1","1","2","7","4","6","1") = "6"
    & skf21("5","1","1","2","7","4","7","1") = "6"
    & skf21("5","1","1","2","7","5","1","1") = "6"
    & skf21("5","1","1","2","7","5","2","1") = "6"
    & skf21("5","1","1","2","7","5","3","1") = "6"
    & skf21("5","1","1","2","7","5","4","1") = "6"
    & skf21("5","1","1","2","7","5","5","1") = "6"
    & skf21("5","1","1","2","7","5","6","1") = "6"
    & skf21("5","1","1","2","7","5","7","1") = "6"
    & skf21("5","1","1","2","7","6","1","1") = "6"
    & skf21("5","1","1","2","7","6","2","1") = "6"
    & skf21("5","1","1","2","7","6","3","1") = "6"
    & skf21("5","1","1","2","7","6","4","1") = "6"
    & skf21("5","1","1","2","7","6","5","1") = "6"
    & skf21("5","1","1","2","7","6","6","1") = "6"
    & skf21("5","1","1","2","7","6","7","1") = "6"
    & skf21("5","1","1","2","7","7","1","1") = "6"
    & skf21("5","1","1","2","7","7","2","1") = "6"
    & skf21("5","1","1","2","7","7","3","1") = "6"
    & skf21("5","1","1","2","7","7","4","1") = "6"
    & skf21("5","1","1","2","7","7","5","1") = "6"
    & skf21("5","1","1","2","7","7","6","1") = "6"
    & skf21("5","1","1","2","7","7","7","1") = "6"
    & skf21("5","1","1","3","1","1","1","1") = "4"
    & skf21("5","1","1","3","1","1","2","1") = "4"
    & skf21("5","1","1","3","1","1","3","1") = "4"
    & skf21("5","1","1","3","1","1","4","1") = "4"
    & skf21("5","1","1","3","1","1","5","1") = "4"
    & skf21("5","1","1","3","1","1","6","1") = "5"
    & skf21("5","1","1","3","1","1","7","1") = "6"
    & skf21("5","1","1","3","1","2","1","1") = "4"
    & skf21("5","1","1","3","1","2","2","1") = "4"
    & skf21("5","1","1","3","1","2","3","1") = "4"
    & skf21("5","1","1","3","1","2","4","1") = "4"
    & skf21("5","1","1","3","1","2","5","1") = "4"
    & skf21("5","1","1","3","1","2","6","1") = "5"
    & skf21("5","1","1","3","1","2","7","1") = "6"
    & skf21("5","1","1","3","1","3","1","1") = "4"
    & skf21("5","1","1","3","1","3","2","1") = "4"
    & skf21("5","1","1","3","1","3","3","1") = "4"
    & skf21("5","1","1","3","1","3","4","1") = "4"
    & skf21("5","1","1","3","1","3","5","1") = "4"
    & skf21("5","1","1","3","1","3","6","1") = "5"
    & skf21("5","1","1","3","1","3","7","1") = "6"
    & skf21("5","1","1","3","1","4","1","1") = "4"
    & skf21("5","1","1","3","1","4","2","1") = "4"
    & skf21("5","1","1","3","1","4","3","1") = "4"
    & skf21("5","1","1","3","1","4","4","1") = "4"
    & skf21("5","1","1","3","1","4","5","1") = "4"
    & skf21("5","1","1","3","1","4","6","1") = "5"
    & skf21("5","1","1","3","1","4","7","1") = "6"
    & skf21("5","1","1","3","1","5","1","1") = "4"
    & skf21("5","1","1","3","1","5","2","1") = "4"
    & skf21("5","1","1","3","1","5","3","1") = "4"
    & skf21("5","1","1","3","1","5","4","1") = "4"
    & skf21("5","1","1","3","1","5","5","1") = "4"
    & skf21("5","1","1","3","1","5","6","1") = "5"
    & skf21("5","1","1","3","1","5","7","1") = "6"
    & skf21("5","1","1","3","1","6","1","1") = "5"
    & skf21("5","1","1","3","1","6","2","1") = "5"
    & skf21("5","1","1","3","1","6","3","1") = "5"
    & skf21("5","1","1","3","1","6","4","1") = "5"
    & skf21("5","1","1","3","1","6","5","1") = "5"
    & skf21("5","1","1","3","1","6","6","1") = "5"
    & skf21("5","1","1","3","1","6","7","1") = "6"
    & skf21("5","1","1","3","1","7","1","1") = "6"
    & skf21("5","1","1","3","1","7","2","1") = "6"
    & skf21("5","1","1","3","1","7","3","1") = "6"
    & skf21("5","1","1","3","1","7","4","1") = "6"
    & skf21("5","1","1","3","1","7","5","1") = "6"
    & skf21("5","1","1","3","1","7","6","1") = "6"
    & skf21("5","1","1","3","1","7","7","1") = "6"
    & skf21("5","1","1","3","2","1","1","1") = "4"
    & skf21("5","1","1","3","2","1","2","1") = "4"
    & skf21("5","1","1","3","2","1","3","1") = "4"
    & skf21("5","1","1","3","2","1","4","1") = "4"
    & skf21("5","1","1","3","2","1","5","1") = "4"
    & skf21("5","1","1","3","2","1","6","1") = "5"
    & skf21("5","1","1","3","2","1","7","1") = "6"
    & skf21("5","1","1","3","2","2","1","1") = "4"
    & skf21("5","1","1","3","2","2","2","1") = "4"
    & skf21("5","1","1","3","2","2","3","1") = "4"
    & skf21("5","1","1","3","2","2","4","1") = "4"
    & skf21("5","1","1","3","2","2","5","1") = "4"
    & skf21("5","1","1","3","2","2","6","1") = "5"
    & skf21("5","1","1","3","2","2","7","1") = "6"
    & skf21("5","1","1","3","2","3","1","1") = "4"
    & skf21("5","1","1","3","2","3","2","1") = "4"
    & skf21("5","1","1","3","2","3","3","1") = "4"
    & skf21("5","1","1","3","2","3","4","1") = "4"
    & skf21("5","1","1","3","2","3","5","1") = "4"
    & skf21("5","1","1","3","2","3","6","1") = "5"
    & skf21("5","1","1","3","2","3","7","1") = "6"
    & skf21("5","1","1","3","2","4","1","1") = "4"
    & skf21("5","1","1","3","2","4","2","1") = "4"
    & skf21("5","1","1","3","2","4","3","1") = "4"
    & skf21("5","1","1","3","2","4","4","1") = "4"
    & skf21("5","1","1","3","2","4","5","1") = "4"
    & skf21("5","1","1","3","2","4","6","1") = "5"
    & skf21("5","1","1","3","2","4","7","1") = "6"
    & skf21("5","1","1","3","2","5","1","1") = "4"
    & skf21("5","1","1","3","2","5","2","1") = "4"
    & skf21("5","1","1","3","2","5","3","1") = "4"
    & skf21("5","1","1","3","2","5","4","1") = "4"
    & skf21("5","1","1","3","2","5","5","1") = "4"
    & skf21("5","1","1","3","2","5","6","1") = "5"
    & skf21("5","1","1","3","2","5","7","1") = "6"
    & skf21("5","1","1","3","2","6","1","1") = "5"
    & skf21("5","1","1","3","2","6","2","1") = "5"
    & skf21("5","1","1","3","2","6","3","1") = "5"
    & skf21("5","1","1","3","2","6","4","1") = "5"
    & skf21("5","1","1","3","2","6","5","1") = "5"
    & skf21("5","1","1","3","2","6","6","1") = "5"
    & skf21("5","1","1","3","2","6","7","1") = "6"
    & skf21("5","1","1","3","2","7","1","1") = "6"
    & skf21("5","1","1","3","2","7","2","1") = "6"
    & skf21("5","1","1","3","2","7","3","1") = "6"
    & skf21("5","1","1","3","2","7","4","1") = "6"
    & skf21("5","1","1","3","2","7","5","1") = "6"
    & skf21("5","1","1","3","2","7","6","1") = "6"
    & skf21("5","1","1","3","2","7","7","1") = "6"
    & skf21("5","1","1","3","3","1","1","1") = "4"
    & skf21("5","1","1","3","3","1","2","1") = "4"
    & skf21("5","1","1","3","3","1","3","1") = "4"
    & skf21("5","1","1","3","3","1","4","1") = "4"
    & skf21("5","1","1","3","3","1","5","1") = "4"
    & skf21("5","1","1","3","3","1","6","1") = "5"
    & skf21("5","1","1","3","3","1","7","1") = "6"
    & skf21("5","1","1","3","3","2","1","1") = "4"
    & skf21("5","1","1","3","3","2","2","1") = "4"
    & skf21("5","1","1","3","3","2","3","1") = "4"
    & skf21("5","1","1","3","3","2","4","1") = "4"
    & skf21("5","1","1","3","3","2","5","1") = "4"
    & skf21("5","1","1","3","3","2","6","1") = "5"
    & skf21("5","1","1","3","3","2","7","1") = "6"
    & skf21("5","1","1","3","3","3","1","1") = "4"
    & skf21("5","1","1","3","3","3","2","1") = "4"
    & skf21("5","1","1","3","3","3","3","1") = "4"
    & skf21("5","1","1","3","3","3","4","1") = "4"
    & skf21("5","1","1","3","3","3","5","1") = "4"
    & skf21("5","1","1","3","3","3","6","1") = "5"
    & skf21("5","1","1","3","3","3","7","1") = "6"
    & skf21("5","1","1","3","3","4","1","1") = "4"
    & skf21("5","1","1","3","3","4","2","1") = "4"
    & skf21("5","1","1","3","3","4","3","1") = "4"
    & skf21("5","1","1","3","3","4","4","1") = "4"
    & skf21("5","1","1","3","3","4","5","1") = "4"
    & skf21("5","1","1","3","3","4","6","1") = "5"
    & skf21("5","1","1","3","3","4","7","1") = "6"
    & skf21("5","1","1","3","3","5","1","1") = "4"
    & skf21("5","1","1","3","3","5","2","1") = "4"
    & skf21("5","1","1","3","3","5","3","1") = "4"
    & skf21("5","1","1","3","3","5","4","1") = "4"
    & skf21("5","1","1","3","3","5","5","1") = "4"
    & skf21("5","1","1","3","3","5","6","1") = "5"
    & skf21("5","1","1","3","3","5","7","1") = "6"
    & skf21("5","1","1","3","3","6","1","1") = "5"
    & skf21("5","1","1","3","3","6","2","1") = "5"
    & skf21("5","1","1","3","3","6","3","1") = "5"
    & skf21("5","1","1","3","3","6","4","1") = "5"
    & skf21("5","1","1","3","3","6","5","1") = "5"
    & skf21("5","1","1","3","3","6","6","1") = "5"
    & skf21("5","1","1","3","3","6","7","1") = "6"
    & skf21("5","1","1","3","3","7","1","1") = "6"
    & skf21("5","1","1","3","3","7","2","1") = "6"
    & skf21("5","1","1","3","3","7","3","1") = "6"
    & skf21("5","1","1","3","3","7","4","1") = "6"
    & skf21("5","1","1","3","3","7","5","1") = "6"
    & skf21("5","1","1","3","3","7","6","1") = "6"
    & skf21("5","1","1","3","3","7","7","1") = "6"
    & skf21("5","1","1","3","4","1","1","1") = "4"
    & skf21("5","1","1","3","4","1","2","1") = "4"
    & skf21("5","1","1","3","4","1","3","1") = "4"
    & skf21("5","1","1","3","4","1","4","1") = "4"
    & skf21("5","1","1","3","4","1","5","1") = "4"
    & skf21("5","1","1","3","4","1","6","1") = "5"
    & skf21("5","1","1","3","4","1","7","1") = "6"
    & skf21("5","1","1","3","4","2","1","1") = "4"
    & skf21("5","1","1","3","4","2","2","1") = "4"
    & skf21("5","1","1","3","4","2","3","1") = "4"
    & skf21("5","1","1","3","4","2","4","1") = "4"
    & skf21("5","1","1","3","4","2","5","1") = "4"
    & skf21("5","1","1","3","4","2","6","1") = "5"
    & skf21("5","1","1","3","4","2","7","1") = "6"
    & skf21("5","1","1","3","4","3","1","1") = "4"
    & skf21("5","1","1","3","4","3","2","1") = "4"
    & skf21("5","1","1","3","4","3","3","1") = "4"
    & skf21("5","1","1","3","4","3","4","1") = "4"
    & skf21("5","1","1","3","4","3","5","1") = "4"
    & skf21("5","1","1","3","4","3","6","1") = "5"
    & skf21("5","1","1","3","4","3","7","1") = "6"
    & skf21("5","1","1","3","4","4","1","1") = "4"
    & skf21("5","1","1","3","4","4","2","1") = "4"
    & skf21("5","1","1","3","4","4","3","1") = "4"
    & skf21("5","1","1","3","4","4","4","1") = "4"
    & skf21("5","1","1","3","4","4","5","1") = "4"
    & skf21("5","1","1","3","4","4","6","1") = "5"
    & skf21("5","1","1","3","4","4","7","1") = "6"
    & skf21("5","1","1","3","4","5","1","1") = "4"
    & skf21("5","1","1","3","4","5","2","1") = "4"
    & skf21("5","1","1","3","4","5","3","1") = "4"
    & skf21("5","1","1","3","4","5","4","1") = "4"
    & skf21("5","1","1","3","4","5","5","1") = "4"
    & skf21("5","1","1","3","4","5","6","1") = "5"
    & skf21("5","1","1","3","4","5","7","1") = "6"
    & skf21("5","1","1","3","4","6","1","1") = "5"
    & skf21("5","1","1","3","4","6","2","1") = "5"
    & skf21("5","1","1","3","4","6","3","1") = "5"
    & skf21("5","1","1","3","4","6","4","1") = "5"
    & skf21("5","1","1","3","4","6","5","1") = "5"
    & skf21("5","1","1","3","4","6","6","1") = "5"
    & skf21("5","1","1","3","4","6","7","1") = "6"
    & skf21("5","1","1","3","4","7","1","1") = "6"
    & skf21("5","1","1","3","4","7","2","1") = "6"
    & skf21("5","1","1","3","4","7","3","1") = "6"
    & skf21("5","1","1","3","4","7","4","1") = "6"
    & skf21("5","1","1","3","4","7","5","1") = "6"
    & skf21("5","1","1","3","4","7","6","1") = "6"
    & skf21("5","1","1","3","4","7","7","1") = "6"
    & skf21("5","1","1","3","5","1","1","1") = "4"
    & skf21("5","1","1","3","5","1","2","1") = "4"
    & skf21("5","1","1","3","5","1","3","1") = "4"
    & skf21("5","1","1","3","5","1","4","1") = "4"
    & skf21("5","1","1","3","5","1","5","1") = "4"
    & skf21("5","1","1","3","5","1","6","1") = "5"
    & skf21("5","1","1","3","5","1","7","1") = "6"
    & skf21("5","1","1","3","5","2","1","1") = "4"
    & skf21("5","1","1","3","5","2","2","1") = "4"
    & skf21("5","1","1","3","5","2","3","1") = "4"
    & skf21("5","1","1","3","5","2","4","1") = "4"
    & skf21("5","1","1","3","5","2","5","1") = "4"
    & skf21("5","1","1","3","5","2","6","1") = "5"
    & skf21("5","1","1","3","5","2","7","1") = "6"
    & skf21("5","1","1","3","5","3","1","1") = "4"
    & skf21("5","1","1","3","5","3","2","1") = "4"
    & skf21("5","1","1","3","5","3","3","1") = "4"
    & skf21("5","1","1","3","5","3","4","1") = "4"
    & skf21("5","1","1","3","5","3","5","1") = "4"
    & skf21("5","1","1","3","5","3","6","1") = "5"
    & skf21("5","1","1","3","5","3","7","1") = "6"
    & skf21("5","1","1","3","5","4","1","1") = "4"
    & skf21("5","1","1","3","5","4","2","1") = "4"
    & skf21("5","1","1","3","5","4","3","1") = "4"
    & skf21("5","1","1","3","5","4","4","1") = "4"
    & skf21("5","1","1","3","5","4","5","1") = "4"
    & skf21("5","1","1","3","5","4","6","1") = "5"
    & skf21("5","1","1","3","5","4","7","1") = "6"
    & skf21("5","1","1","3","5","5","1","1") = "4"
    & skf21("5","1","1","3","5","5","2","1") = "4"
    & skf21("5","1","1","3","5","5","3","1") = "4"
    & skf21("5","1","1","3","5","5","4","1") = "4"
    & skf21("5","1","1","3","5","5","5","1") = "4"
    & skf21("5","1","1","3","5","5","6","1") = "5"
    & skf21("5","1","1","3","5","5","7","1") = "6"
    & skf21("5","1","1","3","5","6","1","1") = "5"
    & skf21("5","1","1","3","5","6","2","1") = "5"
    & skf21("5","1","1","3","5","6","3","1") = "5"
    & skf21("5","1","1","3","5","6","4","1") = "5"
    & skf21("5","1","1","3","5","6","5","1") = "5"
    & skf21("5","1","1","3","5","6","6","1") = "5"
    & skf21("5","1","1","3","5","6","7","1") = "6"
    & skf21("5","1","1","3","5","7","1","1") = "6"
    & skf21("5","1","1","3","5","7","2","1") = "6"
    & skf21("5","1","1","3","5","7","3","1") = "6"
    & skf21("5","1","1","3","5","7","4","1") = "6"
    & skf21("5","1","1","3","5","7","5","1") = "6"
    & skf21("5","1","1","3","5","7","6","1") = "6"
    & skf21("5","1","1","3","5","7","7","1") = "6"
    & skf21("5","1","1","3","6","1","1","1") = "5"
    & skf21("5","1","1","3","6","1","2","1") = "5"
    & skf21("5","1","1","3","6","1","3","1") = "5"
    & skf21("5","1","1","3","6","1","4","1") = "5"
    & skf21("5","1","1","3","6","1","5","1") = "5"
    & skf21("5","1","1","3","6","1","6","1") = "5"
    & skf21("5","1","1","3","6","1","7","1") = "6"
    & skf21("5","1","1","3","6","2","1","1") = "5"
    & skf21("5","1","1","3","6","2","2","1") = "5"
    & skf21("5","1","1","3","6","2","3","1") = "5"
    & skf21("5","1","1","3","6","2","4","1") = "5"
    & skf21("5","1","1","3","6","2","5","1") = "5"
    & skf21("5","1","1","3","6","2","6","1") = "5"
    & skf21("5","1","1","3","6","2","7","1") = "6"
    & skf21("5","1","1","3","6","3","1","1") = "5"
    & skf21("5","1","1","3","6","3","2","1") = "5"
    & skf21("5","1","1","3","6","3","3","1") = "5"
    & skf21("5","1","1","3","6","3","4","1") = "5"
    & skf21("5","1","1","3","6","3","5","1") = "5"
    & skf21("5","1","1","3","6","3","6","1") = "5"
    & skf21("5","1","1","3","6","3","7","1") = "6"
    & skf21("5","1","1","3","6","4","1","1") = "5"
    & skf21("5","1","1","3","6","4","2","1") = "5"
    & skf21("5","1","1","3","6","4","3","1") = "5"
    & skf21("5","1","1","3","6","4","4","1") = "5"
    & skf21("5","1","1","3","6","4","5","1") = "5"
    & skf21("5","1","1","3","6","4","6","1") = "5"
    & skf21("5","1","1","3","6","4","7","1") = "6"
    & skf21("5","1","1","3","6","5","1","1") = "5"
    & skf21("5","1","1","3","6","5","2","1") = "5"
    & skf21("5","1","1","3","6","5","3","1") = "5"
    & skf21("5","1","1","3","6","5","4","1") = "5"
    & skf21("5","1","1","3","6","5","5","1") = "5"
    & skf21("5","1","1","3","6","5","6","1") = "5"
    & skf21("5","1","1","3","6","5","7","1") = "6"
    & skf21("5","1","1","3","6","6","1","1") = "5"
    & skf21("5","1","1","3","6","6","2","1") = "5"
    & skf21("5","1","1","3","6","6","3","1") = "5"
    & skf21("5","1","1","3","6","6","4","1") = "5"
    & skf21("5","1","1","3","6","6","5","1") = "5"
    & skf21("5","1","1","3","6","6","6","1") = "5"
    & skf21("5","1","1","3","6","6","7","1") = "6"
    & skf21("5","1","1","3","6","7","1","1") = "6"
    & skf21("5","1","1","3","6","7","2","1") = "6"
    & skf21("5","1","1","3","6","7","3","1") = "6"
    & skf21("5","1","1","3","6","7","4","1") = "6"
    & skf21("5","1","1","3","6","7","5","1") = "6"
    & skf21("5","1","1","3","6","7","6","1") = "6"
    & skf21("5","1","1","3","6","7","7","1") = "6"
    & skf21("5","1","1","3","7","1","1","1") = "6"
    & skf21("5","1","1","3","7","1","2","1") = "6"
    & skf21("5","1","1","3","7","1","3","1") = "6"
    & skf21("5","1","1","3","7","1","4","1") = "6"
    & skf21("5","1","1","3","7","1","5","1") = "6"
    & skf21("5","1","1","3","7","1","6","1") = "6"
    & skf21("5","1","1","3","7","1","7","1") = "6"
    & skf21("5","1","1","3","7","2","1","1") = "6"
    & skf21("5","1","1","3","7","2","2","1") = "6"
    & skf21("5","1","1","3","7","2","3","1") = "6"
    & skf21("5","1","1","3","7","2","4","1") = "6"
    & skf21("5","1","1","3","7","2","5","1") = "6"
    & skf21("5","1","1","3","7","2","6","1") = "6"
    & skf21("5","1","1","3","7","2","7","1") = "6"
    & skf21("5","1","1","3","7","3","1","1") = "6"
    & skf21("5","1","1","3","7","3","2","1") = "6"
    & skf21("5","1","1","3","7","3","3","1") = "6"
    & skf21("5","1","1","3","7","3","4","1") = "6"
    & skf21("5","1","1","3","7","3","5","1") = "6"
    & skf21("5","1","1","3","7","3","6","1") = "6"
    & skf21("5","1","1","3","7","3","7","1") = "6"
    & skf21("5","1","1","3","7","4","1","1") = "6"
    & skf21("5","1","1","3","7","4","2","1") = "6"
    & skf21("5","1","1","3","7","4","3","1") = "6"
    & skf21("5","1","1","3","7","4","4","1") = "6"
    & skf21("5","1","1","3","7","4","5","1") = "6"
    & skf21("5","1","1","3","7","4","6","1") = "6"
    & skf21("5","1","1","3","7","4","7","1") = "6"
    & skf21("5","1","1","3","7","5","1","1") = "6"
    & skf21("5","1","1","3","7","5","2","1") = "6"
    & skf21("5","1","1","3","7","5","3","1") = "6"
    & skf21("5","1","1","3","7","5","4","1") = "6"
    & skf21("5","1","1","3","7","5","5","1") = "6"
    & skf21("5","1","1","3","7","5","6","1") = "6"
    & skf21("5","1","1","3","7","5","7","1") = "6"
    & skf21("5","1","1","3","7","6","1","1") = "6"
    & skf21("5","1","1","3","7","6","2","1") = "6"
    & skf21("5","1","1","3","7","6","3","1") = "6"
    & skf21("5","1","1","3","7","6","4","1") = "6"
    & skf21("5","1","1","3","7","6","5","1") = "6"
    & skf21("5","1","1","3","7","6","6","1") = "6"
    & skf21("5","1","1","3","7","6","7","1") = "6"
    & skf21("5","1","1","3","7","7","1","1") = "6"
    & skf21("5","1","1","3","7","7","2","1") = "6"
    & skf21("5","1","1","3","7","7","3","1") = "6"
    & skf21("5","1","1","3","7","7","4","1") = "6"
    & skf21("5","1","1","3","7","7","5","1") = "6"
    & skf21("5","1","1","3","7","7","6","1") = "6"
    & skf21("5","1","1","3","7","7","7","1") = "6"
    & skf21("5","1","1","4","1","1","1","1") = "4"
    & skf21("5","1","1","4","1","1","2","1") = "4"
    & skf21("5","1","1","4","1","1","3","1") = "4"
    & skf21("5","1","1","4","1","1","4","1") = "4"
    & skf21("5","1","1","4","1","1","5","1") = "4"
    & skf21("5","1","1","4","1","1","6","1") = "5"
    & skf21("5","1","1","4","1","1","7","1") = "6"
    & skf21("5","1","1","4","1","2","1","1") = "4"
    & skf21("5","1","1","4","1","2","2","1") = "4"
    & skf21("5","1","1","4","1","2","3","1") = "4"
    & skf21("5","1","1","4","1","2","4","1") = "4"
    & skf21("5","1","1","4","1","2","5","1") = "4"
    & skf21("5","1","1","4","1","2","6","1") = "5"
    & skf21("5","1","1","4","1","2","7","1") = "6"
    & skf21("5","1","1","4","1","3","1","1") = "4"
    & skf21("5","1","1","4","1","3","2","1") = "4"
    & skf21("5","1","1","4","1","3","3","1") = "4"
    & skf21("5","1","1","4","1","3","4","1") = "4"
    & skf21("5","1","1","4","1","3","5","1") = "4"
    & skf21("5","1","1","4","1","3","6","1") = "5"
    & skf21("5","1","1","4","1","3","7","1") = "6"
    & skf21("5","1","1","4","1","4","1","1") = "4"
    & skf21("5","1","1","4","1","4","2","1") = "4"
    & skf21("5","1","1","4","1","4","3","1") = "4"
    & skf21("5","1","1","4","1","4","4","1") = "4"
    & skf21("5","1","1","4","1","4","5","1") = "4"
    & skf21("5","1","1","4","1","4","6","1") = "5"
    & skf21("5","1","1","4","1","4","7","1") = "6"
    & skf21("5","1","1","4","1","5","1","1") = "4"
    & skf21("5","1","1","4","1","5","2","1") = "4"
    & skf21("5","1","1","4","1","5","3","1") = "4"
    & skf21("5","1","1","4","1","5","4","1") = "4"
    & skf21("5","1","1","4","1","5","5","1") = "4"
    & skf21("5","1","1","4","1","5","6","1") = "5"
    & skf21("5","1","1","4","1","5","7","1") = "6"
    & skf21("5","1","1","4","1","6","1","1") = "5"
    & skf21("5","1","1","4","1","6","2","1") = "5"
    & skf21("5","1","1","4","1","6","3","1") = "5"
    & skf21("5","1","1","4","1","6","4","1") = "5"
    & skf21("5","1","1","4","1","6","5","1") = "5"
    & skf21("5","1","1","4","1","6","6","1") = "5"
    & skf21("5","1","1","4","1","6","7","1") = "6"
    & skf21("5","1","1","4","1","7","1","1") = "6"
    & skf21("5","1","1","4","1","7","2","1") = "6"
    & skf21("5","1","1","4","1","7","3","1") = "6"
    & skf21("5","1","1","4","1","7","4","1") = "6"
    & skf21("5","1","1","4","1","7","5","1") = "6"
    & skf21("5","1","1","4","1","7","6","1") = "6"
    & skf21("5","1","1","4","1","7","7","1") = "6"
    & skf21("5","1","1","4","2","1","1","1") = "4"
    & skf21("5","1","1","4","2","1","2","1") = "4"
    & skf21("5","1","1","4","2","1","3","1") = "4"
    & skf21("5","1","1","4","2","1","4","1") = "4"
    & skf21("5","1","1","4","2","1","5","1") = "4"
    & skf21("5","1","1","4","2","1","6","1") = "5"
    & skf21("5","1","1","4","2","1","7","1") = "6"
    & skf21("5","1","1","4","2","2","1","1") = "4"
    & skf21("5","1","1","4","2","2","2","1") = "4"
    & skf21("5","1","1","4","2","2","3","1") = "4"
    & skf21("5","1","1","4","2","2","4","1") = "4"
    & skf21("5","1","1","4","2","2","5","1") = "4"
    & skf21("5","1","1","4","2","2","6","1") = "5"
    & skf21("5","1","1","4","2","2","7","1") = "6"
    & skf21("5","1","1","4","2","3","1","1") = "4"
    & skf21("5","1","1","4","2","3","2","1") = "4"
    & skf21("5","1","1","4","2","3","3","1") = "4"
    & skf21("5","1","1","4","2","3","4","1") = "4"
    & skf21("5","1","1","4","2","3","5","1") = "4"
    & skf21("5","1","1","4","2","3","6","1") = "5"
    & skf21("5","1","1","4","2","3","7","1") = "6"
    & skf21("5","1","1","4","2","4","1","1") = "4"
    & skf21("5","1","1","4","2","4","2","1") = "4"
    & skf21("5","1","1","4","2","4","3","1") = "4"
    & skf21("5","1","1","4","2","4","4","1") = "4"
    & skf21("5","1","1","4","2","4","5","1") = "4"
    & skf21("5","1","1","4","2","4","6","1") = "5"
    & skf21("5","1","1","4","2","4","7","1") = "6"
    & skf21("5","1","1","4","2","5","1","1") = "4"
    & skf21("5","1","1","4","2","5","2","1") = "4"
    & skf21("5","1","1","4","2","5","3","1") = "4"
    & skf21("5","1","1","4","2","5","4","1") = "4"
    & skf21("5","1","1","4","2","5","5","1") = "4"
    & skf21("5","1","1","4","2","5","6","1") = "5"
    & skf21("5","1","1","4","2","5","7","1") = "6"
    & skf21("5","1","1","4","2","6","1","1") = "5"
    & skf21("5","1","1","4","2","6","2","1") = "5"
    & skf21("5","1","1","4","2","6","3","1") = "5"
    & skf21("5","1","1","4","2","6","4","1") = "5"
    & skf21("5","1","1","4","2","6","5","1") = "5"
    & skf21("5","1","1","4","2","6","6","1") = "5"
    & skf21("5","1","1","4","2","6","7","1") = "6"
    & skf21("5","1","1","4","2","7","1","1") = "6"
    & skf21("5","1","1","4","2","7","2","1") = "6"
    & skf21("5","1","1","4","2","7","3","1") = "6"
    & skf21("5","1","1","4","2","7","4","1") = "6"
    & skf21("5","1","1","4","2","7","5","1") = "6"
    & skf21("5","1","1","4","2","7","6","1") = "6"
    & skf21("5","1","1","4","2","7","7","1") = "6"
    & skf21("5","1","1","4","3","1","1","1") = "4"
    & skf21("5","1","1","4","3","1","2","1") = "4"
    & skf21("5","1","1","4","3","1","3","1") = "4"
    & skf21("5","1","1","4","3","1","4","1") = "4"
    & skf21("5","1","1","4","3","1","5","1") = "4"
    & skf21("5","1","1","4","3","1","6","1") = "5"
    & skf21("5","1","1","4","3","1","7","1") = "6"
    & skf21("5","1","1","4","3","2","1","1") = "4"
    & skf21("5","1","1","4","3","2","2","1") = "4"
    & skf21("5","1","1","4","3","2","3","1") = "4"
    & skf21("5","1","1","4","3","2","4","1") = "4"
    & skf21("5","1","1","4","3","2","5","1") = "4"
    & skf21("5","1","1","4","3","2","6","1") = "5"
    & skf21("5","1","1","4","3","2","7","1") = "6"
    & skf21("5","1","1","4","3","3","1","1") = "4"
    & skf21("5","1","1","4","3","3","2","1") = "4"
    & skf21("5","1","1","4","3","3","3","1") = "4"
    & skf21("5","1","1","4","3","3","4","1") = "4"
    & skf21("5","1","1","4","3","3","5","1") = "4"
    & skf21("5","1","1","4","3","3","6","1") = "5"
    & skf21("5","1","1","4","3","3","7","1") = "6"
    & skf21("5","1","1","4","3","4","1","1") = "4"
    & skf21("5","1","1","4","3","4","2","1") = "4"
    & skf21("5","1","1","4","3","4","3","1") = "4"
    & skf21("5","1","1","4","3","4","4","1") = "4"
    & skf21("5","1","1","4","3","4","5","1") = "4"
    & skf21("5","1","1","4","3","4","6","1") = "5"
    & skf21("5","1","1","4","3","4","7","1") = "6"
    & skf21("5","1","1","4","3","5","1","1") = "4"
    & skf21("5","1","1","4","3","5","2","1") = "4"
    & skf21("5","1","1","4","3","5","3","1") = "4"
    & skf21("5","1","1","4","3","5","4","1") = "4"
    & skf21("5","1","1","4","3","5","5","1") = "4"
    & skf21("5","1","1","4","3","5","6","1") = "5"
    & skf21("5","1","1","4","3","5","7","1") = "6"
    & skf21("5","1","1","4","3","6","1","1") = "5"
    & skf21("5","1","1","4","3","6","2","1") = "5"
    & skf21("5","1","1","4","3","6","3","1") = "5"
    & skf21("5","1","1","4","3","6","4","1") = "5"
    & skf21("5","1","1","4","3","6","5","1") = "5"
    & skf21("5","1","1","4","3","6","6","1") = "5"
    & skf21("5","1","1","4","3","6","7","1") = "6"
    & skf21("5","1","1","4","3","7","1","1") = "6"
    & skf21("5","1","1","4","3","7","2","1") = "6"
    & skf21("5","1","1","4","3","7","3","1") = "6"
    & skf21("5","1","1","4","3","7","4","1") = "6"
    & skf21("5","1","1","4","3","7","5","1") = "6"
    & skf21("5","1","1","4","3","7","6","1") = "6"
    & skf21("5","1","1","4","3","7","7","1") = "6"
    & skf21("5","1","1","4","4","1","1","1") = "4"
    & skf21("5","1","1","4","4","1","2","1") = "4"
    & skf21("5","1","1","4","4","1","3","1") = "4"
    & skf21("5","1","1","4","4","1","4","1") = "4"
    & skf21("5","1","1","4","4","1","5","1") = "4"
    & skf21("5","1","1","4","4","1","6","1") = "5"
    & skf21("5","1","1","4","4","1","7","1") = "6"
    & skf21("5","1","1","4","4","2","1","1") = "4"
    & skf21("5","1","1","4","4","2","2","1") = "4"
    & skf21("5","1","1","4","4","2","3","1") = "4"
    & skf21("5","1","1","4","4","2","4","1") = "4"
    & skf21("5","1","1","4","4","2","5","1") = "4"
    & skf21("5","1","1","4","4","2","6","1") = "5"
    & skf21("5","1","1","4","4","2","7","1") = "6"
    & skf21("5","1","1","4","4","3","1","1") = "4"
    & skf21("5","1","1","4","4","3","2","1") = "4"
    & skf21("5","1","1","4","4","3","3","1") = "4"
    & skf21("5","1","1","4","4","3","4","1") = "4"
    & skf21("5","1","1","4","4","3","5","1") = "4"
    & skf21("5","1","1","4","4","3","6","1") = "5"
    & skf21("5","1","1","4","4","3","7","1") = "6"
    & skf21("5","1","1","4","4","4","1","1") = "4"
    & skf21("5","1","1","4","4","4","2","1") = "4"
    & skf21("5","1","1","4","4","4","3","1") = "4"
    & skf21("5","1","1","4","4","4","4","1") = "4"
    & skf21("5","1","1","4","4","4","5","1") = "4"
    & skf21("5","1","1","4","4","4","6","1") = "5"
    & skf21("5","1","1","4","4","4","7","1") = "6"
    & skf21("5","1","1","4","4","5","1","1") = "4"
    & skf21("5","1","1","4","4","5","2","1") = "4"
    & skf21("5","1","1","4","4","5","3","1") = "4"
    & skf21("5","1","1","4","4","5","4","1") = "4"
    & skf21("5","1","1","4","4","5","5","1") = "4"
    & skf21("5","1","1","4","4","5","6","1") = "5"
    & skf21("5","1","1","4","4","5","7","1") = "6"
    & skf21("5","1","1","4","4","6","1","1") = "5"
    & skf21("5","1","1","4","4","6","2","1") = "5"
    & skf21("5","1","1","4","4","6","3","1") = "5"
    & skf21("5","1","1","4","4","6","4","1") = "5"
    & skf21("5","1","1","4","4","6","5","1") = "5"
    & skf21("5","1","1","4","4","6","6","1") = "5"
    & skf21("5","1","1","4","4","6","7","1") = "6"
    & skf21("5","1","1","4","4","7","1","1") = "6"
    & skf21("5","1","1","4","4","7","2","1") = "6"
    & skf21("5","1","1","4","4","7","3","1") = "6"
    & skf21("5","1","1","4","4","7","4","1") = "6"
    & skf21("5","1","1","4","4","7","5","1") = "6"
    & skf21("5","1","1","4","4","7","6","1") = "6"
    & skf21("5","1","1","4","4","7","7","1") = "6"
    & skf21("5","1","1","4","5","1","1","1") = "4"
    & skf21("5","1","1","4","5","1","2","1") = "4"
    & skf21("5","1","1","4","5","1","3","1") = "4"
    & skf21("5","1","1","4","5","1","4","1") = "4"
    & skf21("5","1","1","4","5","1","5","1") = "4"
    & skf21("5","1","1","4","5","1","6","1") = "5"
    & skf21("5","1","1","4","5","1","7","1") = "6"
    & skf21("5","1","1","4","5","2","1","1") = "4"
    & skf21("5","1","1","4","5","2","2","1") = "4"
    & skf21("5","1","1","4","5","2","3","1") = "4"
    & skf21("5","1","1","4","5","2","4","1") = "4"
    & skf21("5","1","1","4","5","2","5","1") = "4"
    & skf21("5","1","1","4","5","2","6","1") = "5"
    & skf21("5","1","1","4","5","2","7","1") = "6"
    & skf21("5","1","1","4","5","3","1","1") = "4"
    & skf21("5","1","1","4","5","3","2","1") = "4"
    & skf21("5","1","1","4","5","3","3","1") = "4"
    & skf21("5","1","1","4","5","3","4","1") = "4"
    & skf21("5","1","1","4","5","3","5","1") = "4"
    & skf21("5","1","1","4","5","3","6","1") = "5"
    & skf21("5","1","1","4","5","3","7","1") = "6"
    & skf21("5","1","1","4","5","4","1","1") = "4"
    & skf21("5","1","1","4","5","4","2","1") = "4"
    & skf21("5","1","1","4","5","4","3","1") = "4"
    & skf21("5","1","1","4","5","4","4","1") = "4"
    & skf21("5","1","1","4","5","4","5","1") = "4"
    & skf21("5","1","1","4","5","4","6","1") = "5"
    & skf21("5","1","1","4","5","4","7","1") = "6"
    & skf21("5","1","1","4","5","5","1","1") = "4"
    & skf21("5","1","1","4","5","5","2","1") = "4"
    & skf21("5","1","1","4","5","5","3","1") = "4"
    & skf21("5","1","1","4","5","5","4","1") = "4"
    & skf21("5","1","1","4","5","5","5","1") = "4"
    & skf21("5","1","1","4","5","5","6","1") = "5"
    & skf21("5","1","1","4","5","5","7","1") = "6"
    & skf21("5","1","1","4","5","6","1","1") = "5"
    & skf21("5","1","1","4","5","6","2","1") = "5"
    & skf21("5","1","1","4","5","6","3","1") = "5"
    & skf21("5","1","1","4","5","6","4","1") = "5"
    & skf21("5","1","1","4","5","6","5","1") = "5"
    & skf21("5","1","1","4","5","6","6","1") = "5"
    & skf21("5","1","1","4","5","6","7","1") = "6"
    & skf21("5","1","1","4","5","7","1","1") = "6"
    & skf21("5","1","1","4","5","7","2","1") = "6"
    & skf21("5","1","1","4","5","7","3","1") = "6"
    & skf21("5","1","1","4","5","7","4","1") = "6"
    & skf21("5","1","1","4","5","7","5","1") = "6"
    & skf21("5","1","1","4","5","7","6","1") = "6"
    & skf21("5","1","1","4","5","7","7","1") = "6"
    & skf21("5","1","1","4","6","1","1","1") = "5"
    & skf21("5","1","1","4","6","1","2","1") = "5"
    & skf21("5","1","1","4","6","1","3","1") = "5"
    & skf21("5","1","1","4","6","1","4","1") = "5"
    & skf21("5","1","1","4","6","1","5","1") = "5"
    & skf21("5","1","1","4","6","1","6","1") = "5"
    & skf21("5","1","1","4","6","1","7","1") = "6"
    & skf21("5","1","1","4","6","2","1","1") = "5"
    & skf21("5","1","1","4","6","2","2","1") = "5"
    & skf21("5","1","1","4","6","2","3","1") = "5"
    & skf21("5","1","1","4","6","2","4","1") = "5"
    & skf21("5","1","1","4","6","2","5","1") = "5"
    & skf21("5","1","1","4","6","2","6","1") = "5"
    & skf21("5","1","1","4","6","2","7","1") = "6"
    & skf21("5","1","1","4","6","3","1","1") = "5"
    & skf21("5","1","1","4","6","3","2","1") = "5"
    & skf21("5","1","1","4","6","3","3","1") = "5"
    & skf21("5","1","1","4","6","3","4","1") = "5"
    & skf21("5","1","1","4","6","3","5","1") = "5"
    & skf21("5","1","1","4","6","3","6","1") = "5"
    & skf21("5","1","1","4","6","3","7","1") = "6"
    & skf21("5","1","1","4","6","4","1","1") = "5"
    & skf21("5","1","1","4","6","4","2","1") = "5"
    & skf21("5","1","1","4","6","4","3","1") = "5"
    & skf21("5","1","1","4","6","4","4","1") = "5"
    & skf21("5","1","1","4","6","4","5","1") = "5"
    & skf21("5","1","1","4","6","4","6","1") = "5"
    & skf21("5","1","1","4","6","4","7","1") = "6"
    & skf21("5","1","1","4","6","5","1","1") = "5"
    & skf21("5","1","1","4","6","5","2","1") = "5"
    & skf21("5","1","1","4","6","5","3","1") = "5"
    & skf21("5","1","1","4","6","5","4","1") = "5"
    & skf21("5","1","1","4","6","5","5","1") = "5"
    & skf21("5","1","1","4","6","5","6","1") = "5"
    & skf21("5","1","1","4","6","5","7","1") = "6"
    & skf21("5","1","1","4","6","6","1","1") = "5"
    & skf21("5","1","1","4","6","6","2","1") = "5"
    & skf21("5","1","1","4","6","6","3","1") = "5"
    & skf21("5","1","1","4","6","6","4","1") = "5"
    & skf21("5","1","1","4","6","6","5","1") = "5"
    & skf21("5","1","1","4","6","6","6","1") = "5"
    & skf21("5","1","1","4","6","6","7","1") = "6"
    & skf21("5","1","1","4","6","7","1","1") = "6"
    & skf21("5","1","1","4","6","7","2","1") = "6"
    & skf21("5","1","1","4","6","7","3","1") = "6"
    & skf21("5","1","1","4","6","7","4","1") = "6"
    & skf21("5","1","1","4","6","7","5","1") = "6"
    & skf21("5","1","1","4","6","7","6","1") = "6"
    & skf21("5","1","1","4","6","7","7","1") = "6"
    & skf21("5","1","1","4","7","1","1","1") = "6"
    & skf21("5","1","1","4","7","1","2","1") = "6"
    & skf21("5","1","1","4","7","1","3","1") = "6"
    & skf21("5","1","1","4","7","1","4","1") = "6"
    & skf21("5","1","1","4","7","1","5","1") = "6"
    & skf21("5","1","1","4","7","1","6","1") = "6"
    & skf21("5","1","1","4","7","1","7","1") = "6"
    & skf21("5","1","1","4","7","2","1","1") = "6"
    & skf21("5","1","1","4","7","2","2","1") = "6"
    & skf21("5","1","1","4","7","2","3","1") = "6"
    & skf21("5","1","1","4","7","2","4","1") = "6"
    & skf21("5","1","1","4","7","2","5","1") = "6"
    & skf21("5","1","1","4","7","2","6","1") = "6"
    & skf21("5","1","1","4","7","2","7","1") = "6"
    & skf21("5","1","1","4","7","3","1","1") = "6"
    & skf21("5","1","1","4","7","3","2","1") = "6"
    & skf21("5","1","1","4","7","3","3","1") = "6"
    & skf21("5","1","1","4","7","3","4","1") = "6"
    & skf21("5","1","1","4","7","3","5","1") = "6"
    & skf21("5","1","1","4","7","3","6","1") = "6"
    & skf21("5","1","1","4","7","3","7","1") = "6"
    & skf21("5","1","1","4","7","4","1","1") = "6"
    & skf21("5","1","1","4","7","4","2","1") = "6"
    & skf21("5","1","1","4","7","4","3","1") = "6"
    & skf21("5","1","1","4","7","4","4","1") = "6"
    & skf21("5","1","1","4","7","4","5","1") = "6"
    & skf21("5","1","1","4","7","4","6","1") = "6"
    & skf21("5","1","1","4","7","4","7","1") = "6"
    & skf21("5","1","1","4","7","5","1","1") = "6"
    & skf21("5","1","1","4","7","5","2","1") = "6"
    & skf21("5","1","1","4","7","5","3","1") = "6"
    & skf21("5","1","1","4","7","5","4","1") = "6"
    & skf21("5","1","1","4","7","5","5","1") = "6"
    & skf21("5","1","1","4","7","5","6","1") = "6"
    & skf21("5","1","1","4","7","5","7","1") = "6"
    & skf21("5","1","1","4","7","6","1","1") = "6"
    & skf21("5","1","1","4","7","6","2","1") = "6"
    & skf21("5","1","1","4","7","6","3","1") = "6"
    & skf21("5","1","1","4","7","6","4","1") = "6"
    & skf21("5","1","1","4","7","6","5","1") = "6"
    & skf21("5","1","1","4","7","6","6","1") = "6"
    & skf21("5","1","1","4","7","6","7","1") = "6"
    & skf21("5","1","1","4","7","7","1","1") = "6"
    & skf21("5","1","1","4","7","7","2","1") = "6"
    & skf21("5","1","1","4","7","7","3","1") = "6"
    & skf21("5","1","1","4","7","7","4","1") = "6"
    & skf21("5","1","1","4","7","7","5","1") = "6"
    & skf21("5","1","1","4","7","7","6","1") = "6"
    & skf21("5","1","1","4","7","7","7","1") = "6"
    & skf21("5","1","1","5","1","1","1","1") = "4"
    & skf21("5","1","1","5","1","1","2","1") = "4"
    & skf21("5","1","1","5","1","1","3","1") = "4"
    & skf21("5","1","1","5","1","1","4","1") = "4"
    & skf21("5","1","1","5","1","1","5","1") = "4"
    & skf21("5","1","1","5","1","1","6","1") = "5"
    & skf21("5","1","1","5","1","1","7","1") = "6"
    & skf21("5","1","1","5","1","2","1","1") = "4"
    & skf21("5","1","1","5","1","2","2","1") = "4"
    & skf21("5","1","1","5","1","2","3","1") = "4"
    & skf21("5","1","1","5","1","2","4","1") = "4"
    & skf21("5","1","1","5","1","2","5","1") = "4"
    & skf21("5","1","1","5","1","2","6","1") = "5"
    & skf21("5","1","1","5","1","2","7","1") = "6"
    & skf21("5","1","1","5","1","3","1","1") = "4"
    & skf21("5","1","1","5","1","3","2","1") = "4"
    & skf21("5","1","1","5","1","3","3","1") = "4"
    & skf21("5","1","1","5","1","3","4","1") = "4"
    & skf21("5","1","1","5","1","3","5","1") = "4"
    & skf21("5","1","1","5","1","3","6","1") = "5"
    & skf21("5","1","1","5","1","3","7","1") = "6"
    & skf21("5","1","1","5","1","4","1","1") = "4"
    & skf21("5","1","1","5","1","4","2","1") = "4"
    & skf21("5","1","1","5","1","4","3","1") = "4"
    & skf21("5","1","1","5","1","4","4","1") = "4"
    & skf21("5","1","1","5","1","4","5","1") = "4"
    & skf21("5","1","1","5","1","4","6","1") = "5"
    & skf21("5","1","1","5","1","4","7","1") = "6"
    & skf21("5","1","1","5","1","5","1","1") = "4"
    & skf21("5","1","1","5","1","5","2","1") = "4"
    & skf21("5","1","1","5","1","5","3","1") = "4"
    & skf21("5","1","1","5","1","5","4","1") = "4"
    & skf21("5","1","1","5","1","5","5","1") = "4"
    & skf21("5","1","1","5","1","5","6","1") = "5"
    & skf21("5","1","1","5","1","5","7","1") = "6"
    & skf21("5","1","1","5","1","6","1","1") = "5"
    & skf21("5","1","1","5","1","6","2","1") = "5"
    & skf21("5","1","1","5","1","6","3","1") = "5"
    & skf21("5","1","1","5","1","6","4","1") = "5"
    & skf21("5","1","1","5","1","6","5","1") = "5"
    & skf21("5","1","1","5","1","6","6","1") = "5"
    & skf21("5","1","1","5","1","6","7","1") = "6"
    & skf21("5","1","1","5","1","7","1","1") = "6"
    & skf21("5","1","1","5","1","7","2","1") = "6"
    & skf21("5","1","1","5","1","7","3","1") = "6"
    & skf21("5","1","1","5","1","7","4","1") = "6"
    & skf21("5","1","1","5","1","7","5","1") = "6"
    & skf21("5","1","1","5","1","7","6","1") = "6"
    & skf21("5","1","1","5","1","7","7","1") = "6"
    & skf21("5","1","1","5","2","1","1","1") = "4"
    & skf21("5","1","1","5","2","1","2","1") = "4"
    & skf21("5","1","1","5","2","1","3","1") = "4"
    & skf21("5","1","1","5","2","1","4","1") = "4"
    & skf21("5","1","1","5","2","1","5","1") = "4"
    & skf21("5","1","1","5","2","1","6","1") = "5"
    & skf21("5","1","1","5","2","1","7","1") = "6"
    & skf21("5","1","1","5","2","2","1","1") = "4"
    & skf21("5","1","1","5","2","2","2","1") = "4"
    & skf21("5","1","1","5","2","2","3","1") = "4"
    & skf21("5","1","1","5","2","2","4","1") = "4"
    & skf21("5","1","1","5","2","2","5","1") = "4"
    & skf21("5","1","1","5","2","2","6","1") = "5"
    & skf21("5","1","1","5","2","2","7","1") = "6"
    & skf21("5","1","1","5","2","3","1","1") = "4"
    & skf21("5","1","1","5","2","3","2","1") = "4"
    & skf21("5","1","1","5","2","3","3","1") = "4"
    & skf21("5","1","1","5","2","3","4","1") = "4"
    & skf21("5","1","1","5","2","3","5","1") = "4"
    & skf21("5","1","1","5","2","3","6","1") = "5"
    & skf21("5","1","1","5","2","3","7","1") = "6"
    & skf21("5","1","1","5","2","4","1","1") = "4"
    & skf21("5","1","1","5","2","4","2","1") = "4"
    & skf21("5","1","1","5","2","4","3","1") = "4"
    & skf21("5","1","1","5","2","4","4","1") = "4"
    & skf21("5","1","1","5","2","4","5","1") = "4"
    & skf21("5","1","1","5","2","4","6","1") = "5"
    & skf21("5","1","1","5","2","4","7","1") = "6"
    & skf21("5","1","1","5","2","5","1","1") = "4"
    & skf21("5","1","1","5","2","5","2","1") = "4"
    & skf21("5","1","1","5","2","5","3","1") = "4"
    & skf21("5","1","1","5","2","5","4","1") = "4"
    & skf21("5","1","1","5","2","5","5","1") = "4"
    & skf21("5","1","1","5","2","5","6","1") = "5"
    & skf21("5","1","1","5","2","5","7","1") = "6"
    & skf21("5","1","1","5","2","6","1","1") = "5"
    & skf21("5","1","1","5","2","6","2","1") = "5"
    & skf21("5","1","1","5","2","6","3","1") = "5"
    & skf21("5","1","1","5","2","6","4","1") = "5"
    & skf21("5","1","1","5","2","6","5","1") = "5"
    & skf21("5","1","1","5","2","6","6","1") = "5"
    & skf21("5","1","1","5","2","6","7","1") = "6"
    & skf21("5","1","1","5","2","7","1","1") = "6"
    & skf21("5","1","1","5","2","7","2","1") = "6"
    & skf21("5","1","1","5","2","7","3","1") = "6"
    & skf21("5","1","1","5","2","7","4","1") = "6"
    & skf21("5","1","1","5","2","7","5","1") = "6"
    & skf21("5","1","1","5","2","7","6","1") = "6"
    & skf21("5","1","1","5","2","7","7","1") = "6"
    & skf21("5","1","1","5","3","1","1","1") = "4"
    & skf21("5","1","1","5","3","1","2","1") = "4"
    & skf21("5","1","1","5","3","1","3","1") = "4"
    & skf21("5","1","1","5","3","1","4","1") = "4"
    & skf21("5","1","1","5","3","1","5","1") = "4"
    & skf21("5","1","1","5","3","1","6","1") = "5"
    & skf21("5","1","1","5","3","1","7","1") = "6"
    & skf21("5","1","1","5","3","2","1","1") = "4"
    & skf21("5","1","1","5","3","2","2","1") = "4"
    & skf21("5","1","1","5","3","2","3","1") = "4"
    & skf21("5","1","1","5","3","2","4","1") = "4"
    & skf21("5","1","1","5","3","2","5","1") = "4"
    & skf21("5","1","1","5","3","2","6","1") = "5"
    & skf21("5","1","1","5","3","2","7","1") = "6"
    & skf21("5","1","1","5","3","3","1","1") = "4"
    & skf21("5","1","1","5","3","3","2","1") = "4"
    & skf21("5","1","1","5","3","3","3","1") = "4"
    & skf21("5","1","1","5","3","3","4","1") = "4"
    & skf21("5","1","1","5","3","3","5","1") = "4"
    & skf21("5","1","1","5","3","3","6","1") = "5"
    & skf21("5","1","1","5","3","3","7","1") = "6"
    & skf21("5","1","1","5","3","4","1","1") = "4"
    & skf21("5","1","1","5","3","4","2","1") = "4"
    & skf21("5","1","1","5","3","4","3","1") = "4"
    & skf21("5","1","1","5","3","4","4","1") = "4"
    & skf21("5","1","1","5","3","4","5","1") = "4"
    & skf21("5","1","1","5","3","4","6","1") = "5"
    & skf21("5","1","1","5","3","4","7","1") = "6"
    & skf21("5","1","1","5","3","5","1","1") = "4"
    & skf21("5","1","1","5","3","5","2","1") = "4"
    & skf21("5","1","1","5","3","5","3","1") = "4"
    & skf21("5","1","1","5","3","5","4","1") = "4"
    & skf21("5","1","1","5","3","5","5","1") = "4"
    & skf21("5","1","1","5","3","5","6","1") = "5"
    & skf21("5","1","1","5","3","5","7","1") = "6"
    & skf21("5","1","1","5","3","6","1","1") = "5"
    & skf21("5","1","1","5","3","6","2","1") = "5"
    & skf21("5","1","1","5","3","6","3","1") = "5"
    & skf21("5","1","1","5","3","6","4","1") = "5"
    & skf21("5","1","1","5","3","6","5","1") = "5"
    & skf21("5","1","1","5","3","6","6","1") = "5"
    & skf21("5","1","1","5","3","6","7","1") = "6"
    & skf21("5","1","1","5","3","7","1","1") = "6"
    & skf21("5","1","1","5","3","7","2","1") = "6"
    & skf21("5","1","1","5","3","7","3","1") = "6"
    & skf21("5","1","1","5","3","7","4","1") = "6"
    & skf21("5","1","1","5","3","7","5","1") = "6"
    & skf21("5","1","1","5","3","7","6","1") = "6"
    & skf21("5","1","1","5","3","7","7","1") = "6"
    & skf21("5","1","1","5","4","1","1","1") = "4"
    & skf21("5","1","1","5","4","1","2","1") = "4"
    & skf21("5","1","1","5","4","1","3","1") = "4"
    & skf21("5","1","1","5","4","1","4","1") = "4"
    & skf21("5","1","1","5","4","1","5","1") = "4"
    & skf21("5","1","1","5","4","1","6","1") = "5"
    & skf21("5","1","1","5","4","1","7","1") = "6"
    & skf21("5","1","1","5","4","2","1","1") = "4"
    & skf21("5","1","1","5","4","2","2","1") = "4"
    & skf21("5","1","1","5","4","2","3","1") = "4"
    & skf21("5","1","1","5","4","2","4","1") = "4"
    & skf21("5","1","1","5","4","2","5","1") = "4"
    & skf21("5","1","1","5","4","2","6","1") = "5"
    & skf21("5","1","1","5","4","2","7","1") = "6"
    & skf21("5","1","1","5","4","3","1","1") = "4"
    & skf21("5","1","1","5","4","3","2","1") = "4"
    & skf21("5","1","1","5","4","3","3","1") = "4"
    & skf21("5","1","1","5","4","3","4","1") = "4"
    & skf21("5","1","1","5","4","3","5","1") = "4"
    & skf21("5","1","1","5","4","3","6","1") = "5"
    & skf21("5","1","1","5","4","3","7","1") = "6"
    & skf21("5","1","1","5","4","4","1","1") = "4"
    & skf21("5","1","1","5","4","4","2","1") = "4"
    & skf21("5","1","1","5","4","4","3","1") = "4"
    & skf21("5","1","1","5","4","4","4","1") = "4"
    & skf21("5","1","1","5","4","4","5","1") = "4"
    & skf21("5","1","1","5","4","4","6","1") = "5"
    & skf21("5","1","1","5","4","4","7","1") = "6"
    & skf21("5","1","1","5","4","5","1","1") = "4"
    & skf21("5","1","1","5","4","5","2","1") = "4"
    & skf21("5","1","1","5","4","5","3","1") = "4"
    & skf21("5","1","1","5","4","5","4","1") = "4"
    & skf21("5","1","1","5","4","5","5","1") = "4"
    & skf21("5","1","1","5","4","5","6","1") = "5"
    & skf21("5","1","1","5","4","5","7","1") = "6"
    & skf21("5","1","1","5","4","6","1","1") = "5"
    & skf21("5","1","1","5","4","6","2","1") = "5"
    & skf21("5","1","1","5","4","6","3","1") = "5"
    & skf21("5","1","1","5","4","6","4","1") = "5"
    & skf21("5","1","1","5","4","6","5","1") = "5"
    & skf21("5","1","1","5","4","6","6","1") = "5"
    & skf21("5","1","1","5","4","6","7","1") = "6"
    & skf21("5","1","1","5","4","7","1","1") = "6"
    & skf21("5","1","1","5","4","7","2","1") = "6"
    & skf21("5","1","1","5","4","7","3","1") = "6"
    & skf21("5","1","1","5","4","7","4","1") = "6"
    & skf21("5","1","1","5","4","7","5","1") = "6"
    & skf21("5","1","1","5","4","7","6","1") = "6"
    & skf21("5","1","1","5","4","7","7","1") = "6"
    & skf21("5","1","1","5","5","1","1","1") = "4"
    & skf21("5","1","1","5","5","1","2","1") = "4"
    & skf21("5","1","1","5","5","1","3","1") = "4"
    & skf21("5","1","1","5","5","1","4","1") = "4"
    & skf21("5","1","1","5","5","1","5","1") = "4"
    & skf21("5","1","1","5","5","1","6","1") = "5"
    & skf21("5","1","1","5","5","1","7","1") = "6"
    & skf21("5","1","1","5","5","2","1","1") = "4"
    & skf21("5","1","1","5","5","2","2","1") = "4"
    & skf21("5","1","1","5","5","2","3","1") = "4"
    & skf21("5","1","1","5","5","2","4","1") = "4"
    & skf21("5","1","1","5","5","2","5","1") = "4"
    & skf21("5","1","1","5","5","2","6","1") = "5"
    & skf21("5","1","1","5","5","2","7","1") = "6"
    & skf21("5","1","1","5","5","3","1","1") = "4"
    & skf21("5","1","1","5","5","3","2","1") = "4"
    & skf21("5","1","1","5","5","3","3","1") = "4"
    & skf21("5","1","1","5","5","3","4","1") = "4"
    & skf21("5","1","1","5","5","3","5","1") = "4"
    & skf21("5","1","1","5","5","3","6","1") = "5"
    & skf21("5","1","1","5","5","3","7","1") = "6"
    & skf21("5","1","1","5","5","4","1","1") = "4"
    & skf21("5","1","1","5","5","4","2","1") = "4"
    & skf21("5","1","1","5","5","4","3","1") = "4"
    & skf21("5","1","1","5","5","4","4","1") = "4"
    & skf21("5","1","1","5","5","4","5","1") = "4"
    & skf21("5","1","1","5","5","4","6","1") = "5"
    & skf21("5","1","1","5","5","4","7","1") = "6"
    & skf21("5","1","1","5","5","5","1","1") = "4"
    & skf21("5","1","1","5","5","5","2","1") = "4"
    & skf21("5","1","1","5","5","5","3","1") = "4"
    & skf21("5","1","1","5","5","5","4","1") = "4"
    & skf21("5","1","1","5","5","5","5","1") = "4"
    & skf21("5","1","1","5","5","5","6","1") = "5"
    & skf21("5","1","1","5","5","5","7","1") = "6"
    & skf21("5","1","1","5","5","6","1","1") = "5"
    & skf21("5","1","1","5","5","6","2","1") = "5"
    & skf21("5","1","1","5","5","6","3","1") = "5"
    & skf21("5","1","1","5","5","6","4","1") = "5"
    & skf21("5","1","1","5","5","6","5","1") = "5"
    & skf21("5","1","1","5","5","6","6","1") = "5"
    & skf21("5","1","1","5","5","6","7","1") = "6"
    & skf21("5","1","1","5","5","7","1","1") = "6"
    & skf21("5","1","1","5","5","7","2","1") = "6"
    & skf21("5","1","1","5","5","7","3","1") = "6"
    & skf21("5","1","1","5","5","7","4","1") = "6"
    & skf21("5","1","1","5","5","7","5","1") = "6"
    & skf21("5","1","1","5","5","7","6","1") = "6"
    & skf21("5","1","1","5","5","7","7","1") = "6"
    & skf21("5","1","1","5","6","1","1","1") = "5"
    & skf21("5","1","1","5","6","1","2","1") = "5"
    & skf21("5","1","1","5","6","1","3","1") = "5"
    & skf21("5","1","1","5","6","1","4","1") = "5"
    & skf21("5","1","1","5","6","1","5","1") = "5"
    & skf21("5","1","1","5","6","1","6","1") = "5"
    & skf21("5","1","1","5","6","1","7","1") = "6"
    & skf21("5","1","1","5","6","2","1","1") = "5"
    & skf21("5","1","1","5","6","2","2","1") = "5"
    & skf21("5","1","1","5","6","2","3","1") = "5"
    & skf21("5","1","1","5","6","2","4","1") = "5"
    & skf21("5","1","1","5","6","2","5","1") = "5"
    & skf21("5","1","1","5","6","2","6","1") = "5"
    & skf21("5","1","1","5","6","2","7","1") = "6"
    & skf21("5","1","1","5","6","3","1","1") = "5"
    & skf21("5","1","1","5","6","3","2","1") = "5"
    & skf21("5","1","1","5","6","3","3","1") = "5"
    & skf21("5","1","1","5","6","3","4","1") = "5"
    & skf21("5","1","1","5","6","3","5","1") = "5"
    & skf21("5","1","1","5","6","3","6","1") = "5"
    & skf21("5","1","1","5","6","3","7","1") = "6"
    & skf21("5","1","1","5","6","4","1","1") = "5"
    & skf21("5","1","1","5","6","4","2","1") = "5"
    & skf21("5","1","1","5","6","4","3","1") = "5"
    & skf21("5","1","1","5","6","4","4","1") = "5"
    & skf21("5","1","1","5","6","4","5","1") = "5"
    & skf21("5","1","1","5","6","4","6","1") = "5"
    & skf21("5","1","1","5","6","4","7","1") = "6"
    & skf21("5","1","1","5","6","5","1","1") = "5"
    & skf21("5","1","1","5","6","5","2","1") = "5"
    & skf21("5","1","1","5","6","5","3","1") = "5"
    & skf21("5","1","1","5","6","5","4","1") = "5"
    & skf21("5","1","1","5","6","5","5","1") = "5"
    & skf21("5","1","1","5","6","5","6","1") = "5"
    & skf21("5","1","1","5","6","5","7","1") = "6"
    & skf21("5","1","1","5","6","6","1","1") = "5"
    & skf21("5","1","1","5","6","6","2","1") = "5"
    & skf21("5","1","1","5","6","6","3","1") = "5"
    & skf21("5","1","1","5","6","6","4","1") = "5"
    & skf21("5","1","1","5","6","6","5","1") = "5"
    & skf21("5","1","1","5","6","6","6","1") = "5"
    & skf21("5","1","1","5","6","6","7","1") = "6"
    & skf21("5","1","1","5","6","7","1","1") = "6"
    & skf21("5","1","1","5","6","7","2","1") = "6"
    & skf21("5","1","1","5","6","7","3","1") = "6"
    & skf21("5","1","1","5","6","7","4","1") = "6"
    & skf21("5","1","1","5","6","7","5","1") = "6"
    & skf21("5","1","1","5","6","7","6","1") = "6"
    & skf21("5","1","1","5","6","7","7","1") = "6"
    & skf21("5","1","1","5","7","1","1","1") = "6"
    & skf21("5","1","1","5","7","1","2","1") = "6"
    & skf21("5","1","1","5","7","1","3","1") = "6"
    & skf21("5","1","1","5","7","1","4","1") = "6"
    & skf21("5","1","1","5","7","1","5","1") = "6"
    & skf21("5","1","1","5","7","1","6","1") = "6"
    & skf21("5","1","1","5","7","1","7","1") = "6"
    & skf21("5","1","1","5","7","2","1","1") = "6"
    & skf21("5","1","1","5","7","2","2","1") = "6"
    & skf21("5","1","1","5","7","2","3","1") = "6"
    & skf21("5","1","1","5","7","2","4","1") = "6"
    & skf21("5","1","1","5","7","2","5","1") = "6"
    & skf21("5","1","1","5","7","2","6","1") = "6"
    & skf21("5","1","1","5","7","2","7","1") = "6"
    & skf21("5","1","1","5","7","3","1","1") = "6"
    & skf21("5","1","1","5","7","3","2","1") = "6"
    & skf21("5","1","1","5","7","3","3","1") = "6"
    & skf21("5","1","1","5","7","3","4","1") = "6"
    & skf21("5","1","1","5","7","3","5","1") = "6"
    & skf21("5","1","1","5","7","3","6","1") = "6"
    & skf21("5","1","1","5","7","3","7","1") = "6"
    & skf21("5","1","1","5","7","4","1","1") = "6"
    & skf21("5","1","1","5","7","4","2","1") = "6"
    & skf21("5","1","1","5","7","4","3","1") = "6"
    & skf21("5","1","1","5","7","4","4","1") = "6"
    & skf21("5","1","1","5","7","4","5","1") = "6"
    & skf21("5","1","1","5","7","4","6","1") = "6"
    & skf21("5","1","1","5","7","4","7","1") = "6"
    & skf21("5","1","1","5","7","5","1","1") = "6"
    & skf21("5","1","1","5","7","5","2","1") = "6"
    & skf21("5","1","1","5","7","5","3","1") = "6"
    & skf21("5","1","1","5","7","5","4","1") = "6"
    & skf21("5","1","1","5","7","5","5","1") = "6"
    & skf21("5","1","1","5","7","5","6","1") = "6"
    & skf21("5","1","1","5","7","5","7","1") = "6"
    & skf21("5","1","1","5","7","6","1","1") = "6"
    & skf21("5","1","1","5","7","6","2","1") = "6"
    & skf21("5","1","1","5","7","6","3","1") = "6"
    & skf21("5","1","1","5","7","6","4","1") = "6"
    & skf21("5","1","1","5","7","6","5","1") = "6"
    & skf21("5","1","1","5","7","6","6","1") = "6"
    & skf21("5","1","1","5","7","6","7","1") = "6"
    & skf21("5","1","1","5","7","7","1","1") = "6"
    & skf21("5","1","1","5","7","7","2","1") = "6"
    & skf21("5","1","1","5","7","7","3","1") = "6"
    & skf21("5","1","1","5","7","7","4","1") = "6"
    & skf21("5","1","1","5","7","7","5","1") = "6"
    & skf21("5","1","1","5","7","7","6","1") = "6"
    & skf21("5","1","1","5","7","7","7","1") = "6"
    & skf21("5","1","1","6","1","1","1","1") = "5"
    & skf21("5","1","1","6","1","1","2","1") = "5"
    & skf21("5","1","1","6","1","1","3","1") = "5"
    & skf21("5","1","1","6","1","1","4","1") = "5"
    & skf21("5","1","1","6","1","1","5","1") = "5"
    & skf21("5","1","1","6","1","1","6","1") = "5"
    & skf21("5","1","1","6","1","1","7","1") = "6"
    & skf21("5","1","1","6","1","2","1","1") = "5"
    & skf21("5","1","1","6","1","2","2","1") = "5"
    & skf21("5","1","1","6","1","2","3","1") = "5"
    & skf21("5","1","1","6","1","2","4","1") = "5"
    & skf21("5","1","1","6","1","2","5","1") = "5"
    & skf21("5","1","1","6","1","2","6","1") = "5"
    & skf21("5","1","1","6","1","2","7","1") = "6"
    & skf21("5","1","1","6","1","3","1","1") = "5"
    & skf21("5","1","1","6","1","3","2","1") = "5"
    & skf21("5","1","1","6","1","3","3","1") = "5"
    & skf21("5","1","1","6","1","3","4","1") = "5"
    & skf21("5","1","1","6","1","3","5","1") = "5"
    & skf21("5","1","1","6","1","3","6","1") = "5"
    & skf21("5","1","1","6","1","3","7","1") = "6"
    & skf21("5","1","1","6","1","4","1","1") = "5"
    & skf21("5","1","1","6","1","4","2","1") = "5"
    & skf21("5","1","1","6","1","4","3","1") = "5"
    & skf21("5","1","1","6","1","4","4","1") = "5"
    & skf21("5","1","1","6","1","4","5","1") = "5"
    & skf21("5","1","1","6","1","4","6","1") = "5"
    & skf21("5","1","1","6","1","4","7","1") = "6"
    & skf21("5","1","1","6","1","5","1","1") = "5"
    & skf21("5","1","1","6","1","5","2","1") = "5"
    & skf21("5","1","1","6","1","5","3","1") = "5"
    & skf21("5","1","1","6","1","5","4","1") = "5"
    & skf21("5","1","1","6","1","5","5","1") = "5"
    & skf21("5","1","1","6","1","5","6","1") = "5"
    & skf21("5","1","1","6","1","5","7","1") = "6"
    & skf21("5","1","1","6","1","6","1","1") = "5"
    & skf21("5","1","1","6","1","6","2","1") = "5"
    & skf21("5","1","1","6","1","6","3","1") = "5"
    & skf21("5","1","1","6","1","6","4","1") = "5"
    & skf21("5","1","1","6","1","6","5","1") = "5"
    & skf21("5","1","1","6","1","6","6","1") = "5"
    & skf21("5","1","1","6","1","6","7","1") = "6"
    & skf21("5","1","1","6","1","7","1","1") = "6"
    & skf21("5","1","1","6","1","7","2","1") = "6"
    & skf21("5","1","1","6","1","7","3","1") = "6"
    & skf21("5","1","1","6","1","7","4","1") = "6"
    & skf21("5","1","1","6","1","7","5","1") = "6"
    & skf21("5","1","1","6","1","7","6","1") = "6"
    & skf21("5","1","1","6","1","7","7","1") = "6"
    & skf21("5","1","1","6","2","1","1","1") = "5"
    & skf21("5","1","1","6","2","1","2","1") = "5"
    & skf21("5","1","1","6","2","1","3","1") = "5"
    & skf21("5","1","1","6","2","1","4","1") = "5"
    & skf21("5","1","1","6","2","1","5","1") = "5"
    & skf21("5","1","1","6","2","1","6","1") = "5"
    & skf21("5","1","1","6","2","1","7","1") = "6"
    & skf21("5","1","1","6","2","2","1","1") = "5"
    & skf21("5","1","1","6","2","2","2","1") = "5"
    & skf21("5","1","1","6","2","2","3","1") = "5"
    & skf21("5","1","1","6","2","2","4","1") = "5"
    & skf21("5","1","1","6","2","2","5","1") = "5"
    & skf21("5","1","1","6","2","2","6","1") = "5"
    & skf21("5","1","1","6","2","2","7","1") = "6"
    & skf21("5","1","1","6","2","3","1","1") = "5"
    & skf21("5","1","1","6","2","3","2","1") = "5"
    & skf21("5","1","1","6","2","3","3","1") = "5"
    & skf21("5","1","1","6","2","3","4","1") = "5"
    & skf21("5","1","1","6","2","3","5","1") = "5"
    & skf21("5","1","1","6","2","3","6","1") = "5"
    & skf21("5","1","1","6","2","3","7","1") = "6"
    & skf21("5","1","1","6","2","4","1","1") = "5"
    & skf21("5","1","1","6","2","4","2","1") = "5"
    & skf21("5","1","1","6","2","4","3","1") = "5"
    & skf21("5","1","1","6","2","4","4","1") = "5"
    & skf21("5","1","1","6","2","4","5","1") = "5"
    & skf21("5","1","1","6","2","4","6","1") = "5"
    & skf21("5","1","1","6","2","4","7","1") = "6"
    & skf21("5","1","1","6","2","5","1","1") = "5"
    & skf21("5","1","1","6","2","5","2","1") = "5"
    & skf21("5","1","1","6","2","5","3","1") = "5"
    & skf21("5","1","1","6","2","5","4","1") = "5"
    & skf21("5","1","1","6","2","5","5","1") = "5"
    & skf21("5","1","1","6","2","5","6","1") = "5"
    & skf21("5","1","1","6","2","5","7","1") = "6"
    & skf21("5","1","1","6","2","6","1","1") = "5"
    & skf21("5","1","1","6","2","6","2","1") = "5"
    & skf21("5","1","1","6","2","6","3","1") = "5"
    & skf21("5","1","1","6","2","6","4","1") = "5"
    & skf21("5","1","1","6","2","6","5","1") = "5"
    & skf21("5","1","1","6","2","6","6","1") = "5"
    & skf21("5","1","1","6","2","6","7","1") = "6"
    & skf21("5","1","1","6","2","7","1","1") = "6"
    & skf21("5","1","1","6","2","7","2","1") = "6"
    & skf21("5","1","1","6","2","7","3","1") = "6"
    & skf21("5","1","1","6","2","7","4","1") = "6"
    & skf21("5","1","1","6","2","7","5","1") = "6"
    & skf21("5","1","1","6","2","7","6","1") = "6"
    & skf21("5","1","1","6","2","7","7","1") = "6"
    & skf21("5","1","1","6","3","1","1","1") = "5"
    & skf21("5","1","1","6","3","1","2","1") = "5"
    & skf21("5","1","1","6","3","1","3","1") = "5"
    & skf21("5","1","1","6","3","1","4","1") = "5"
    & skf21("5","1","1","6","3","1","5","1") = "5"
    & skf21("5","1","1","6","3","1","6","1") = "5"
    & skf21("5","1","1","6","3","1","7","1") = "6"
    & skf21("5","1","1","6","3","2","1","1") = "5"
    & skf21("5","1","1","6","3","2","2","1") = "5"
    & skf21("5","1","1","6","3","2","3","1") = "5"
    & skf21("5","1","1","6","3","2","4","1") = "5"
    & skf21("5","1","1","6","3","2","5","1") = "5"
    & skf21("5","1","1","6","3","2","6","1") = "5"
    & skf21("5","1","1","6","3","2","7","1") = "6"
    & skf21("5","1","1","6","3","3","1","1") = "5"
    & skf21("5","1","1","6","3","3","2","1") = "5"
    & skf21("5","1","1","6","3","3","3","1") = "5"
    & skf21("5","1","1","6","3","3","4","1") = "5"
    & skf21("5","1","1","6","3","3","5","1") = "5"
    & skf21("5","1","1","6","3","3","6","1") = "5"
    & skf21("5","1","1","6","3","3","7","1") = "6"
    & skf21("5","1","1","6","3","4","1","1") = "5"
    & skf21("5","1","1","6","3","4","2","1") = "5"
    & skf21("5","1","1","6","3","4","3","1") = "5"
    & skf21("5","1","1","6","3","4","4","1") = "5"
    & skf21("5","1","1","6","3","4","5","1") = "5"
    & skf21("5","1","1","6","3","4","6","1") = "5"
    & skf21("5","1","1","6","3","4","7","1") = "6"
    & skf21("5","1","1","6","3","5","1","1") = "5"
    & skf21("5","1","1","6","3","5","2","1") = "5"
    & skf21("5","1","1","6","3","5","3","1") = "5"
    & skf21("5","1","1","6","3","5","4","1") = "5"
    & skf21("5","1","1","6","3","5","5","1") = "5"
    & skf21("5","1","1","6","3","5","6","1") = "5"
    & skf21("5","1","1","6","3","5","7","1") = "6"
    & skf21("5","1","1","6","3","6","1","1") = "5"
    & skf21("5","1","1","6","3","6","2","1") = "5"
    & skf21("5","1","1","6","3","6","3","1") = "5"
    & skf21("5","1","1","6","3","6","4","1") = "5"
    & skf21("5","1","1","6","3","6","5","1") = "5"
    & skf21("5","1","1","6","3","6","6","1") = "5"
    & skf21("5","1","1","6","3","6","7","1") = "6"
    & skf21("5","1","1","6","3","7","1","1") = "6"
    & skf21("5","1","1","6","3","7","2","1") = "6"
    & skf21("5","1","1","6","3","7","3","1") = "6"
    & skf21("5","1","1","6","3","7","4","1") = "6"
    & skf21("5","1","1","6","3","7","5","1") = "6"
    & skf21("5","1","1","6","3","7","6","1") = "6"
    & skf21("5","1","1","6","3","7","7","1") = "6"
    & skf21("5","1","1","6","4","1","1","1") = "5"
    & skf21("5","1","1","6","4","1","2","1") = "5"
    & skf21("5","1","1","6","4","1","3","1") = "5"
    & skf21("5","1","1","6","4","1","4","1") = "5"
    & skf21("5","1","1","6","4","1","5","1") = "5"
    & skf21("5","1","1","6","4","1","6","1") = "5"
    & skf21("5","1","1","6","4","1","7","1") = "6"
    & skf21("5","1","1","6","4","2","1","1") = "5"
    & skf21("5","1","1","6","4","2","2","1") = "5"
    & skf21("5","1","1","6","4","2","3","1") = "5"
    & skf21("5","1","1","6","4","2","4","1") = "5"
    & skf21("5","1","1","6","4","2","5","1") = "5"
    & skf21("5","1","1","6","4","2","6","1") = "5"
    & skf21("5","1","1","6","4","2","7","1") = "6"
    & skf21("5","1","1","6","4","3","1","1") = "5"
    & skf21("5","1","1","6","4","3","2","1") = "5"
    & skf21("5","1","1","6","4","3","3","1") = "5"
    & skf21("5","1","1","6","4","3","4","1") = "5"
    & skf21("5","1","1","6","4","3","5","1") = "5"
    & skf21("5","1","1","6","4","3","6","1") = "5"
    & skf21("5","1","1","6","4","3","7","1") = "6"
    & skf21("5","1","1","6","4","4","1","1") = "5"
    & skf21("5","1","1","6","4","4","2","1") = "5"
    & skf21("5","1","1","6","4","4","3","1") = "5"
    & skf21("5","1","1","6","4","4","4","1") = "5"
    & skf21("5","1","1","6","4","4","5","1") = "5"
    & skf21("5","1","1","6","4","4","6","1") = "5"
    & skf21("5","1","1","6","4","4","7","1") = "6"
    & skf21("5","1","1","6","4","5","1","1") = "5"
    & skf21("5","1","1","6","4","5","2","1") = "5"
    & skf21("5","1","1","6","4","5","3","1") = "5"
    & skf21("5","1","1","6","4","5","4","1") = "5"
    & skf21("5","1","1","6","4","5","5","1") = "5"
    & skf21("5","1","1","6","4","5","6","1") = "5"
    & skf21("5","1","1","6","4","5","7","1") = "6"
    & skf21("5","1","1","6","4","6","1","1") = "5"
    & skf21("5","1","1","6","4","6","2","1") = "5"
    & skf21("5","1","1","6","4","6","3","1") = "5"
    & skf21("5","1","1","6","4","6","4","1") = "5"
    & skf21("5","1","1","6","4","6","5","1") = "5"
    & skf21("5","1","1","6","4","6","6","1") = "5"
    & skf21("5","1","1","6","4","6","7","1") = "6"
    & skf21("5","1","1","6","4","7","1","1") = "6"
    & skf21("5","1","1","6","4","7","2","1") = "6"
    & skf21("5","1","1","6","4","7","3","1") = "6"
    & skf21("5","1","1","6","4","7","4","1") = "6"
    & skf21("5","1","1","6","4","7","5","1") = "6"
    & skf21("5","1","1","6","4","7","6","1") = "6"
    & skf21("5","1","1","6","4","7","7","1") = "6"
    & skf21("5","1","1","6","5","1","1","1") = "5"
    & skf21("5","1","1","6","5","1","2","1") = "5"
    & skf21("5","1","1","6","5","1","3","1") = "5"
    & skf21("5","1","1","6","5","1","4","1") = "5"
    & skf21("5","1","1","6","5","1","5","1") = "5"
    & skf21("5","1","1","6","5","1","6","1") = "5"
    & skf21("5","1","1","6","5","1","7","1") = "6"
    & skf21("5","1","1","6","5","2","1","1") = "5"
    & skf21("5","1","1","6","5","2","2","1") = "5"
    & skf21("5","1","1","6","5","2","3","1") = "5"
    & skf21("5","1","1","6","5","2","4","1") = "5"
    & skf21("5","1","1","6","5","2","5","1") = "5"
    & skf21("5","1","1","6","5","2","6","1") = "5"
    & skf21("5","1","1","6","5","2","7","1") = "6"
    & skf21("5","1","1","6","5","3","1","1") = "5"
    & skf21("5","1","1","6","5","3","2","1") = "5"
    & skf21("5","1","1","6","5","3","3","1") = "5"
    & skf21("5","1","1","6","5","3","4","1") = "5"
    & skf21("5","1","1","6","5","3","5","1") = "5"
    & skf21("5","1","1","6","5","3","6","1") = "5"
    & skf21("5","1","1","6","5","3","7","1") = "6"
    & skf21("5","1","1","6","5","4","1","1") = "5"
    & skf21("5","1","1","6","5","4","2","1") = "5"
    & skf21("5","1","1","6","5","4","3","1") = "5"
    & skf21("5","1","1","6","5","4","4","1") = "5"
    & skf21("5","1","1","6","5","4","5","1") = "5"
    & skf21("5","1","1","6","5","4","6","1") = "5"
    & skf21("5","1","1","6","5","4","7","1") = "6"
    & skf21("5","1","1","6","5","5","1","1") = "5"
    & skf21("5","1","1","6","5","5","2","1") = "5"
    & skf21("5","1","1","6","5","5","3","1") = "5"
    & skf21("5","1","1","6","5","5","4","1") = "5"
    & skf21("5","1","1","6","5","5","5","1") = "5"
    & skf21("5","1","1","6","5","5","6","1") = "5"
    & skf21("5","1","1","6","5","5","7","1") = "6"
    & skf21("5","1","1","6","5","6","1","1") = "5"
    & skf21("5","1","1","6","5","6","2","1") = "5"
    & skf21("5","1","1","6","5","6","3","1") = "5"
    & skf21("5","1","1","6","5","6","4","1") = "5"
    & skf21("5","1","1","6","5","6","5","1") = "5"
    & skf21("5","1","1","6","5","6","6","1") = "5"
    & skf21("5","1","1","6","5","6","7","1") = "6"
    & skf21("5","1","1","6","5","7","1","1") = "6"
    & skf21("5","1","1","6","5","7","2","1") = "6"
    & skf21("5","1","1","6","5","7","3","1") = "6"
    & skf21("5","1","1","6","5","7","4","1") = "6"
    & skf21("5","1","1","6","5","7","5","1") = "6"
    & skf21("5","1","1","6","5","7","6","1") = "6"
    & skf21("5","1","1","6","5","7","7","1") = "6"
    & skf21("5","1","1","6","6","1","1","1") = "5"
    & skf21("5","1","1","6","6","1","2","1") = "5"
    & skf21("5","1","1","6","6","1","3","1") = "5"
    & skf21("5","1","1","6","6","1","4","1") = "5"
    & skf21("5","1","1","6","6","1","5","1") = "5"
    & skf21("5","1","1","6","6","1","6","1") = "5"
    & skf21("5","1","1","6","6","1","7","1") = "6"
    & skf21("5","1","1","6","6","2","1","1") = "5"
    & skf21("5","1","1","6","6","2","2","1") = "5"
    & skf21("5","1","1","6","6","2","3","1") = "5"
    & skf21("5","1","1","6","6","2","4","1") = "5"
    & skf21("5","1","1","6","6","2","5","1") = "5"
    & skf21("5","1","1","6","6","2","6","1") = "5"
    & skf21("5","1","1","6","6","2","7","1") = "6"
    & skf21("5","1","1","6","6","3","1","1") = "5"
    & skf21("5","1","1","6","6","3","2","1") = "5"
    & skf21("5","1","1","6","6","3","3","1") = "5"
    & skf21("5","1","1","6","6","3","4","1") = "5"
    & skf21("5","1","1","6","6","3","5","1") = "5"
    & skf21("5","1","1","6","6","3","6","1") = "5"
    & skf21("5","1","1","6","6","3","7","1") = "6"
    & skf21("5","1","1","6","6","4","1","1") = "5"
    & skf21("5","1","1","6","6","4","2","1") = "5"
    & skf21("5","1","1","6","6","4","3","1") = "5"
    & skf21("5","1","1","6","6","4","4","1") = "5"
    & skf21("5","1","1","6","6","4","5","1") = "5"
    & skf21("5","1","1","6","6","4","6","1") = "5"
    & skf21("5","1","1","6","6","4","7","1") = "6"
    & skf21("5","1","1","6","6","5","1","1") = "5"
    & skf21("5","1","1","6","6","5","2","1") = "5"
    & skf21("5","1","1","6","6","5","3","1") = "5"
    & skf21("5","1","1","6","6","5","4","1") = "5"
    & skf21("5","1","1","6","6","5","5","1") = "5"
    & skf21("5","1","1","6","6","5","6","1") = "5"
    & skf21("5","1","1","6","6","5","7","1") = "6"
    & skf21("5","1","1","6","6","6","1","1") = "5"
    & skf21("5","1","1","6","6","6","2","1") = "5"
    & skf21("5","1","1","6","6","6","3","1") = "5"
    & skf21("5","1","1","6","6","6","4","1") = "5"
    & skf21("5","1","1","6","6","6","5","1") = "5"
    & skf21("5","1","1","6","6","6","6","1") = "5"
    & skf21("5","1","1","6","6","6","7","1") = "6"
    & skf21("5","1","1","6","6","7","1","1") = "6"
    & skf21("5","1","1","6","6","7","2","1") = "6"
    & skf21("5","1","1","6","6","7","3","1") = "6"
    & skf21("5","1","1","6","6","7","4","1") = "6"
    & skf21("5","1","1","6","6","7","5","1") = "6"
    & skf21("5","1","1","6","6","7","6","1") = "6"
    & skf21("5","1","1","6","6","7","7","1") = "6"
    & skf21("5","1","1","6","7","1","1","1") = "6"
    & skf21("5","1","1","6","7","1","2","1") = "6"
    & skf21("5","1","1","6","7","1","3","1") = "6"
    & skf21("5","1","1","6","7","1","4","1") = "6"
    & skf21("5","1","1","6","7","1","5","1") = "6"
    & skf21("5","1","1","6","7","1","6","1") = "6"
    & skf21("5","1","1","6","7","1","7","1") = "6"
    & skf21("5","1","1","6","7","2","1","1") = "6"
    & skf21("5","1","1","6","7","2","2","1") = "6"
    & skf21("5","1","1","6","7","2","3","1") = "6"
    & skf21("5","1","1","6","7","2","4","1") = "6"
    & skf21("5","1","1","6","7","2","5","1") = "6"
    & skf21("5","1","1","6","7","2","6","1") = "6"
    & skf21("5","1","1","6","7","2","7","1") = "6"
    & skf21("5","1","1","6","7","3","1","1") = "6"
    & skf21("5","1","1","6","7","3","2","1") = "6"
    & skf21("5","1","1","6","7","3","3","1") = "6"
    & skf21("5","1","1","6","7","3","4","1") = "6"
    & skf21("5","1","1","6","7","3","5","1") = "6"
    & skf21("5","1","1","6","7","3","6","1") = "6"
    & skf21("5","1","1","6","7","3","7","1") = "6"
    & skf21("5","1","1","6","7","4","1","1") = "6"
    & skf21("5","1","1","6","7","4","2","1") = "6"
    & skf21("5","1","1","6","7","4","3","1") = "6"
    & skf21("5","1","1","6","7","4","4","1") = "6"
    & skf21("5","1","1","6","7","4","5","1") = "6"
    & skf21("5","1","1","6","7","4","6","1") = "6"
    & skf21("5","1","1","6","7","4","7","1") = "6"
    & skf21("5","1","1","6","7","5","1","1") = "6"
    & skf21("5","1","1","6","7","5","2","1") = "6"
    & skf21("5","1","1","6","7","5","3","1") = "6"
    & skf21("5","1","1","6","7","5","4","1") = "6"
    & skf21("5","1","1","6","7","5","5","1") = "6"
    & skf21("5","1","1","6","7","5","6","1") = "6"
    & skf21("5","1","1","6","7","5","7","1") = "6"
    & skf21("5","1","1","6","7","6","1","1") = "6"
    & skf21("5","1","1","6","7","6","2","1") = "6"
    & skf21("5","1","1","6","7","6","3","1") = "6"
    & skf21("5","1","1","6","7","6","4","1") = "6"
    & skf21("5","1","1","6","7","6","5","1") = "6"
    & skf21("5","1","1","6","7","6","6","1") = "6"
    & skf21("5","1","1","6","7","6","7","1") = "6"
    & skf21("5","1","1","6","7","7","1","1") = "6"
    & skf21("5","1","1","6","7","7","2","1") = "6"
    & skf21("5","1","1","6","7","7","3","1") = "6"
    & skf21("5","1","1","6","7","7","4","1") = "6"
    & skf21("5","1","1","6","7","7","5","1") = "6"
    & skf21("5","1","1","6","7","7","6","1") = "6"
    & skf21("5","1","1","6","7","7","7","1") = "6"
    & skf21("5","1","1","7","1","1","1","1") = "6"
    & skf21("5","1","1","7","1","1","2","1") = "6"
    & skf21("5","1","1","7","1","1","3","1") = "6"
    & skf21("5","1","1","7","1","1","4","1") = "6"
    & skf21("5","1","1","7","1","1","5","1") = "6"
    & skf21("5","1","1","7","1","1","6","1") = "6"
    & skf21("5","1","1","7","1","1","7","1") = "6"
    & skf21("5","1","1","7","1","2","1","1") = "6"
    & skf21("5","1","1","7","1","2","2","1") = "6"
    & skf21("5","1","1","7","1","2","3","1") = "6"
    & skf21("5","1","1","7","1","2","4","1") = "6"
    & skf21("5","1","1","7","1","2","5","1") = "6"
    & skf21("5","1","1","7","1","2","6","1") = "6"
    & skf21("5","1","1","7","1","2","7","1") = "6"
    & skf21("5","1","1","7","1","3","1","1") = "6"
    & skf21("5","1","1","7","1","3","2","1") = "6"
    & skf21("5","1","1","7","1","3","3","1") = "6"
    & skf21("5","1","1","7","1","3","4","1") = "6"
    & skf21("5","1","1","7","1","3","5","1") = "6"
    & skf21("5","1","1","7","1","3","6","1") = "6"
    & skf21("5","1","1","7","1","3","7","1") = "6"
    & skf21("5","1","1","7","1","4","1","1") = "6"
    & skf21("5","1","1","7","1","4","2","1") = "6"
    & skf21("5","1","1","7","1","4","3","1") = "6"
    & skf21("5","1","1","7","1","4","4","1") = "6"
    & skf21("5","1","1","7","1","4","5","1") = "6"
    & skf21("5","1","1","7","1","4","6","1") = "6"
    & skf21("5","1","1","7","1","4","7","1") = "6"
    & skf21("5","1","1","7","1","5","1","1") = "6"
    & skf21("5","1","1","7","1","5","2","1") = "6"
    & skf21("5","1","1","7","1","5","3","1") = "6"
    & skf21("5","1","1","7","1","5","4","1") = "6"
    & skf21("5","1","1","7","1","5","5","1") = "6"
    & skf21("5","1","1","7","1","5","6","1") = "6"
    & skf21("5","1","1","7","1","5","7","1") = "6"
    & skf21("5","1","1","7","1","6","1","1") = "6"
    & skf21("5","1","1","7","1","6","2","1") = "6"
    & skf21("5","1","1","7","1","6","3","1") = "6"
    & skf21("5","1","1","7","1","6","4","1") = "6"
    & skf21("5","1","1","7","1","6","5","1") = "6"
    & skf21("5","1","1","7","1","6","6","1") = "6"
    & skf21("5","1","1","7","1","6","7","1") = "6"
    & skf21("5","1","1","7","1","7","1","1") = "6"
    & skf21("5","1","1","7","1","7","2","1") = "6"
    & skf21("5","1","1","7","1","7","3","1") = "6"
    & skf21("5","1","1","7","1","7","4","1") = "6"
    & skf21("5","1","1","7","1","7","5","1") = "6"
    & skf21("5","1","1","7","1","7","6","1") = "6"
    & skf21("5","1","1","7","1","7","7","1") = "6"
    & skf21("5","1","1","7","2","1","1","1") = "6"
    & skf21("5","1","1","7","2","1","2","1") = "6"
    & skf21("5","1","1","7","2","1","3","1") = "6"
    & skf21("5","1","1","7","2","1","4","1") = "6"
    & skf21("5","1","1","7","2","1","5","1") = "6"
    & skf21("5","1","1","7","2","1","6","1") = "6"
    & skf21("5","1","1","7","2","1","7","1") = "6"
    & skf21("5","1","1","7","2","2","1","1") = "6"
    & skf21("5","1","1","7","2","2","2","1") = "6"
    & skf21("5","1","1","7","2","2","3","1") = "6"
    & skf21("5","1","1","7","2","2","4","1") = "6"
    & skf21("5","1","1","7","2","2","5","1") = "6"
    & skf21("5","1","1","7","2","2","6","1") = "6"
    & skf21("5","1","1","7","2","2","7","1") = "6"
    & skf21("5","1","1","7","2","3","1","1") = "6"
    & skf21("5","1","1","7","2","3","2","1") = "6"
    & skf21("5","1","1","7","2","3","3","1") = "6"
    & skf21("5","1","1","7","2","3","4","1") = "6"
    & skf21("5","1","1","7","2","3","5","1") = "6"
    & skf21("5","1","1","7","2","3","6","1") = "6"
    & skf21("5","1","1","7","2","3","7","1") = "6"
    & skf21("5","1","1","7","2","4","1","1") = "6"
    & skf21("5","1","1","7","2","4","2","1") = "6"
    & skf21("5","1","1","7","2","4","3","1") = "6"
    & skf21("5","1","1","7","2","4","4","1") = "6"
    & skf21("5","1","1","7","2","4","5","1") = "6"
    & skf21("5","1","1","7","2","4","6","1") = "6"
    & skf21("5","1","1","7","2","4","7","1") = "6"
    & skf21("5","1","1","7","2","5","1","1") = "6"
    & skf21("5","1","1","7","2","5","2","1") = "6"
    & skf21("5","1","1","7","2","5","3","1") = "6"
    & skf21("5","1","1","7","2","5","4","1") = "6"
    & skf21("5","1","1","7","2","5","5","1") = "6"
    & skf21("5","1","1","7","2","5","6","1") = "6"
    & skf21("5","1","1","7","2","5","7","1") = "6"
    & skf21("5","1","1","7","2","6","1","1") = "6"
    & skf21("5","1","1","7","2","6","2","1") = "6"
    & skf21("5","1","1","7","2","6","3","1") = "6"
    & skf21("5","1","1","7","2","6","4","1") = "6"
    & skf21("5","1","1","7","2","6","5","1") = "6"
    & skf21("5","1","1","7","2","6","6","1") = "6"
    & skf21("5","1","1","7","2","6","7","1") = "6"
    & skf21("5","1","1","7","2","7","1","1") = "6"
    & skf21("5","1","1","7","2","7","2","1") = "6"
    & skf21("5","1","1","7","2","7","3","1") = "6"
    & skf21("5","1","1","7","2","7","4","1") = "6"
    & skf21("5","1","1","7","2","7","5","1") = "6"
    & skf21("5","1","1","7","2","7","6","1") = "6"
    & skf21("5","1","1","7","2","7","7","1") = "6"
    & skf21("5","1","1","7","3","1","1","1") = "6"
    & skf21("5","1","1","7","3","1","2","1") = "6"
    & skf21("5","1","1","7","3","1","3","1") = "6"
    & skf21("5","1","1","7","3","1","4","1") = "6"
    & skf21("5","1","1","7","3","1","5","1") = "6"
    & skf21("5","1","1","7","3","1","6","1") = "6"
    & skf21("5","1","1","7","3","1","7","1") = "6"
    & skf21("5","1","1","7","3","2","1","1") = "6"
    & skf21("5","1","1","7","3","2","2","1") = "6"
    & skf21("5","1","1","7","3","2","3","1") = "6"
    & skf21("5","1","1","7","3","2","4","1") = "6"
    & skf21("5","1","1","7","3","2","5","1") = "6"
    & skf21("5","1","1","7","3","2","6","1") = "6"
    & skf21("5","1","1","7","3","2","7","1") = "6"
    & skf21("5","1","1","7","3","3","1","1") = "6"
    & skf21("5","1","1","7","3","3","2","1") = "6"
    & skf21("5","1","1","7","3","3","3","1") = "6"
    & skf21("5","1","1","7","3","3","4","1") = "6"
    & skf21("5","1","1","7","3","3","5","1") = "6"
    & skf21("5","1","1","7","3","3","6","1") = "6"
    & skf21("5","1","1","7","3","3","7","1") = "6"
    & skf21("5","1","1","7","3","4","1","1") = "6"
    & skf21("5","1","1","7","3","4","2","1") = "6"
    & skf21("5","1","1","7","3","4","3","1") = "6"
    & skf21("5","1","1","7","3","4","4","1") = "6"
    & skf21("5","1","1","7","3","4","5","1") = "6"
    & skf21("5","1","1","7","3","4","6","1") = "6"
    & skf21("5","1","1","7","3","4","7","1") = "6"
    & skf21("5","1","1","7","3","5","1","1") = "6"
    & skf21("5","1","1","7","3","5","2","1") = "6"
    & skf21("5","1","1","7","3","5","3","1") = "6"
    & skf21("5","1","1","7","3","5","4","1") = "6"
    & skf21("5","1","1","7","3","5","5","1") = "6"
    & skf21("5","1","1","7","3","5","6","1") = "6"
    & skf21("5","1","1","7","3","5","7","1") = "6"
    & skf21("5","1","1","7","3","6","1","1") = "6"
    & skf21("5","1","1","7","3","6","2","1") = "6"
    & skf21("5","1","1","7","3","6","3","1") = "6"
    & skf21("5","1","1","7","3","6","4","1") = "6"
    & skf21("5","1","1","7","3","6","5","1") = "6"
    & skf21("5","1","1","7","3","6","6","1") = "6"
    & skf21("5","1","1","7","3","6","7","1") = "6"
    & skf21("5","1","1","7","3","7","1","1") = "6"
    & skf21("5","1","1","7","3","7","2","1") = "6"
    & skf21("5","1","1","7","3","7","3","1") = "6"
    & skf21("5","1","1","7","3","7","4","1") = "6"
    & skf21("5","1","1","7","3","7","5","1") = "6"
    & skf21("5","1","1","7","3","7","6","1") = "6"
    & skf21("5","1","1","7","3","7","7","1") = "6"
    & skf21("5","1","1","7","4","1","1","1") = "6"
    & skf21("5","1","1","7","4","1","2","1") = "6"
    & skf21("5","1","1","7","4","1","3","1") = "6"
    & skf21("5","1","1","7","4","1","4","1") = "6"
    & skf21("5","1","1","7","4","1","5","1") = "6"
    & skf21("5","1","1","7","4","1","6","1") = "6"
    & skf21("5","1","1","7","4","1","7","1") = "6"
    & skf21("5","1","1","7","4","2","1","1") = "6"
    & skf21("5","1","1","7","4","2","2","1") = "6"
    & skf21("5","1","1","7","4","2","3","1") = "6"
    & skf21("5","1","1","7","4","2","4","1") = "6"
    & skf21("5","1","1","7","4","2","5","1") = "6"
    & skf21("5","1","1","7","4","2","6","1") = "6"
    & skf21("5","1","1","7","4","2","7","1") = "6"
    & skf21("5","1","1","7","4","3","1","1") = "6"
    & skf21("5","1","1","7","4","3","2","1") = "6"
    & skf21("5","1","1","7","4","3","3","1") = "6"
    & skf21("5","1","1","7","4","3","4","1") = "6"
    & skf21("5","1","1","7","4","3","5","1") = "6"
    & skf21("5","1","1","7","4","3","6","1") = "6"
    & skf21("5","1","1","7","4","3","7","1") = "6"
    & skf21("5","1","1","7","4","4","1","1") = "6"
    & skf21("5","1","1","7","4","4","2","1") = "6"
    & skf21("5","1","1","7","4","4","3","1") = "6"
    & skf21("5","1","1","7","4","4","4","1") = "6"
    & skf21("5","1","1","7","4","4","5","1") = "6"
    & skf21("5","1","1","7","4","4","6","1") = "6"
    & skf21("5","1","1","7","4","4","7","1") = "6"
    & skf21("5","1","1","7","4","5","1","1") = "6"
    & skf21("5","1","1","7","4","5","2","1") = "6"
    & skf21("5","1","1","7","4","5","3","1") = "6"
    & skf21("5","1","1","7","4","5","4","1") = "6"
    & skf21("5","1","1","7","4","5","5","1") = "6"
    & skf21("5","1","1","7","4","5","6","1") = "6"
    & skf21("5","1","1","7","4","5","7","1") = "6"
    & skf21("5","1","1","7","4","6","1","1") = "6"
    & skf21("5","1","1","7","4","6","2","1") = "6"
    & skf21("5","1","1","7","4","6","3","1") = "6"
    & skf21("5","1","1","7","4","6","4","1") = "6"
    & skf21("5","1","1","7","4","6","5","1") = "6"
    & skf21("5","1","1","7","4","6","6","1") = "6"
    & skf21("5","1","1","7","4","6","7","1") = "6"
    & skf21("5","1","1","7","4","7","1","1") = "6"
    & skf21("5","1","1","7","4","7","2","1") = "6"
    & skf21("5","1","1","7","4","7","3","1") = "6"
    & skf21("5","1","1","7","4","7","4","1") = "6"
    & skf21("5","1","1","7","4","7","5","1") = "6"
    & skf21("5","1","1","7","4","7","6","1") = "6"
    & skf21("5","1","1","7","4","7","7","1") = "6"
    & skf21("5","1","1","7","5","1","1","1") = "6"
    & skf21("5","1","1","7","5","1","2","1") = "6"
    & skf21("5","1","1","7","5","1","3","1") = "6"
    & skf21("5","1","1","7","5","1","4","1") = "6"
    & skf21("5","1","1","7","5","1","5","1") = "6"
    & skf21("5","1","1","7","5","1","6","1") = "6"
    & skf21("5","1","1","7","5","1","7","1") = "6"
    & skf21("5","1","1","7","5","2","1","1") = "6"
    & skf21("5","1","1","7","5","2","2","1") = "6"
    & skf21("5","1","1","7","5","2","3","1") = "6"
    & skf21("5","1","1","7","5","2","4","1") = "6"
    & skf21("5","1","1","7","5","2","5","1") = "6"
    & skf21("5","1","1","7","5","2","6","1") = "6"
    & skf21("5","1","1","7","5","2","7","1") = "6"
    & skf21("5","1","1","7","5","3","1","1") = "6"
    & skf21("5","1","1","7","5","3","2","1") = "6"
    & skf21("5","1","1","7","5","3","3","1") = "6"
    & skf21("5","1","1","7","5","3","4","1") = "6"
    & skf21("5","1","1","7","5","3","5","1") = "6"
    & skf21("5","1","1","7","5","3","6","1") = "6"
    & skf21("5","1","1","7","5","3","7","1") = "6"
    & skf21("5","1","1","7","5","4","1","1") = "6"
    & skf21("5","1","1","7","5","4","2","1") = "6"
    & skf21("5","1","1","7","5","4","3","1") = "6"
    & skf21("5","1","1","7","5","4","4","1") = "6"
    & skf21("5","1","1","7","5","4","5","1") = "6"
    & skf21("5","1","1","7","5","4","6","1") = "6"
    & skf21("5","1","1","7","5","4","7","1") = "6"
    & skf21("5","1","1","7","5","5","1","1") = "6"
    & skf21("5","1","1","7","5","5","2","1") = "6"
    & skf21("5","1","1","7","5","5","3","1") = "6"
    & skf21("5","1","1","7","5","5","4","1") = "6"
    & skf21("5","1","1","7","5","5","5","1") = "6"
    & skf21("5","1","1","7","5","5","6","1") = "6"
    & skf21("5","1","1","7","5","5","7","1") = "6"
    & skf21("5","1","1","7","5","6","1","1") = "6"
    & skf21("5","1","1","7","5","6","2","1") = "6"
    & skf21("5","1","1","7","5","6","3","1") = "6"
    & skf21("5","1","1","7","5","6","4","1") = "6"
    & skf21("5","1","1","7","5","6","5","1") = "6"
    & skf21("5","1","1","7","5","6","6","1") = "6"
    & skf21("5","1","1","7","5","6","7","1") = "6"
    & skf21("5","1","1","7","5","7","1","1") = "6"
    & skf21("5","1","1","7","5","7","2","1") = "6"
    & skf21("5","1","1","7","5","7","3","1") = "6"
    & skf21("5","1","1","7","5","7","4","1") = "6"
    & skf21("5","1","1","7","5","7","5","1") = "6"
    & skf21("5","1","1","7","5","7","6","1") = "6"
    & skf21("5","1","1","7","5","7","7","1") = "6"
    & skf21("5","1","1","7","6","1","1","1") = "6"
    & skf21("5","1","1","7","6","1","2","1") = "6"
    & skf21("5","1","1","7","6","1","3","1") = "6"
    & skf21("5","1","1","7","6","1","4","1") = "6"
    & skf21("5","1","1","7","6","1","5","1") = "6"
    & skf21("5","1","1","7","6","1","6","1") = "6"
    & skf21("5","1","1","7","6","1","7","1") = "6"
    & skf21("5","1","1","7","6","2","1","1") = "6"
    & skf21("5","1","1","7","6","2","2","1") = "6"
    & skf21("5","1","1","7","6","2","3","1") = "6"
    & skf21("5","1","1","7","6","2","4","1") = "6"
    & skf21("5","1","1","7","6","2","5","1") = "6"
    & skf21("5","1","1","7","6","2","6","1") = "6"
    & skf21("5","1","1","7","6","2","7","1") = "6"
    & skf21("5","1","1","7","6","3","1","1") = "6"
    & skf21("5","1","1","7","6","3","2","1") = "6"
    & skf21("5","1","1","7","6","3","3","1") = "6"
    & skf21("5","1","1","7","6","3","4","1") = "6"
    & skf21("5","1","1","7","6","3","5","1") = "6"
    & skf21("5","1","1","7","6","3","6","1") = "6"
    & skf21("5","1","1","7","6","3","7","1") = "6"
    & skf21("5","1","1","7","6","4","1","1") = "6"
    & skf21("5","1","1","7","6","4","2","1") = "6"
    & skf21("5","1","1","7","6","4","3","1") = "6"
    & skf21("5","1","1","7","6","4","4","1") = "6"
    & skf21("5","1","1","7","6","4","5","1") = "6"
    & skf21("5","1","1","7","6","4","6","1") = "6"
    & skf21("5","1","1","7","6","4","7","1") = "6"
    & skf21("5","1","1","7","6","5","1","1") = "6"
    & skf21("5","1","1","7","6","5","2","1") = "6"
    & skf21("5","1","1","7","6","5","3","1") = "6"
    & skf21("5","1","1","7","6","5","4","1") = "6"
    & skf21("5","1","1","7","6","5","5","1") = "6"
    & skf21("5","1","1","7","6","5","6","1") = "6"
    & skf21("5","1","1","7","6","5","7","1") = "6"
    & skf21("5","1","1","7","6","6","1","1") = "6"
    & skf21("5","1","1","7","6","6","2","1") = "6"
    & skf21("5","1","1","7","6","6","3","1") = "6"
    & skf21("5","1","1","7","6","6","4","1") = "6"
    & skf21("5","1","1","7","6","6","5","1") = "6"
    & skf21("5","1","1","7","6","6","6","1") = "6"
    & skf21("5","1","1","7","6","6","7","1") = "6"
    & skf21("5","1","1","7","6","7","1","1") = "6"
    & skf21("5","1","1","7","6","7","2","1") = "6"
    & skf21("5","1","1","7","6","7","3","1") = "6"
    & skf21("5","1","1","7","6","7","4","1") = "6"
    & skf21("5","1","1","7","6","7","5","1") = "6"
    & skf21("5","1","1","7","6","7","6","1") = "6"
    & skf21("5","1","1","7","6","7","7","1") = "6"
    & skf21("5","1","1","7","7","1","1","1") = "6"
    & skf21("5","1","1","7","7","1","2","1") = "6"
    & skf21("5","1","1","7","7","1","3","1") = "6"
    & skf21("5","1","1","7","7","1","4","1") = "6"
    & skf21("5","1","1","7","7","1","5","1") = "6"
    & skf21("5","1","1","7","7","1","6","1") = "6"
    & skf21("5","1","1","7","7","1","7","1") = "6"
    & skf21("5","1","1","7","7","2","1","1") = "6"
    & skf21("5","1","1","7","7","2","2","1") = "6"
    & skf21("5","1","1","7","7","2","3","1") = "6"
    & skf21("5","1","1","7","7","2","4","1") = "6"
    & skf21("5","1","1","7","7","2","5","1") = "6"
    & skf21("5","1","1","7","7","2","6","1") = "6"
    & skf21("5","1","1","7","7","2","7","1") = "6"
    & skf21("5","1","1","7","7","3","1","1") = "6"
    & skf21("5","1","1","7","7","3","2","1") = "6"
    & skf21("5","1","1","7","7","3","3","1") = "6"
    & skf21("5","1","1","7","7","3","4","1") = "6"
    & skf21("5","1","1","7","7","3","5","1") = "6"
    & skf21("5","1","1","7","7","3","6","1") = "6"
    & skf21("5","1","1","7","7","3","7","1") = "6"
    & skf21("5","1","1","7","7","4","1","1") = "6"
    & skf21("5","1","1","7","7","4","2","1") = "6"
    & skf21("5","1","1","7","7","4","3","1") = "6"
    & skf21("5","1","1","7","7","4","4","1") = "6"
    & skf21("5","1","1","7","7","4","5","1") = "6"
    & skf21("5","1","1","7","7","4","6","1") = "6"
    & skf21("5","1","1","7","7","4","7","1") = "6"
    & skf21("5","1","1","7","7","5","1","1") = "6"
    & skf21("5","1","1","7","7","5","2","1") = "6"
    & skf21("5","1","1","7","7","5","3","1") = "6"
    & skf21("5","1","1","7","7","5","4","1") = "6"
    & skf21("5","1","1","7","7","5","5","1") = "6"
    & skf21("5","1","1","7","7","5","6","1") = "6"
    & skf21("5","1","1","7","7","5","7","1") = "6"
    & skf21("5","1","1","7","7","6","1","1") = "6"
    & skf21("5","1","1","7","7","6","2","1") = "6"
    & skf21("5","1","1","7","7","6","3","1") = "6"
    & skf21("5","1","1","7","7","6","4","1") = "6"
    & skf21("5","1","1","7","7","6","5","1") = "6"
    & skf21("5","1","1","7","7","6","6","1") = "6"
    & skf21("5","1","1","7","7","6","7","1") = "6"
    & skf21("5","1","1","7","7","7","1","1") = "6"
    & skf21("5","1","1","7","7","7","2","1") = "6"
    & skf21("5","1","1","7","7","7","3","1") = "6"
    & skf21("5","1","1","7","7","7","4","1") = "6"
    & skf21("5","1","1","7","7","7","5","1") = "6"
    & skf21("5","1","1","7","7","7","6","1") = "6"
    & skf21("5","1","1","7","7","7","7","1") = "6"
    & skf21("5","1","2","1","1","1","1","1") = "4"
    & skf21("5","1","2","1","1","1","2","1") = "4"
    & skf21("5","1","2","1","1","1","3","1") = "4"
    & skf21("5","1","2","1","1","1","4","1") = "4"
    & skf21("5","1","2","1","1","1","5","1") = "4"
    & skf21("5","1","2","1","1","1","6","1") = "5"
    & skf21("5","1","2","1","1","1","7","1") = "6"
    & skf21("5","1","2","1","1","2","1","1") = "4"
    & skf21("5","1","2","1","1","2","2","1") = "4"
    & skf21("5","1","2","1","1","2","3","1") = "4"
    & skf21("5","1","2","1","1","2","4","1") = "4"
    & skf21("5","1","2","1","1","2","5","1") = "4"
    & skf21("5","1","2","1","1","2","6","1") = "5"
    & skf21("5","1","2","1","1","2","7","1") = "6"
    & skf21("5","1","2","1","1","3","1","1") = "4"
    & skf21("5","1","2","1","1","3","2","1") = "4"
    & skf21("5","1","2","1","1","3","3","1") = "4"
    & skf21("5","1","2","1","1","3","4","1") = "4"
    & skf21("5","1","2","1","1","3","5","1") = "4"
    & skf21("5","1","2","1","1","3","6","1") = "5"
    & skf21("5","1","2","1","1","3","7","1") = "6"
    & skf21("5","1","2","1","1","4","1","1") = "4"
    & skf21("5","1","2","1","1","4","2","1") = "4"
    & skf21("5","1","2","1","1","4","3","1") = "4"
    & skf21("5","1","2","1","1","4","4","1") = "4"
    & skf21("5","1","2","1","1","4","5","1") = "4"
    & skf21("5","1","2","1","1","4","6","1") = "5"
    & skf21("5","1","2","1","1","4","7","1") = "6"
    & skf21("5","1","2","1","1","5","1","1") = "4"
    & skf21("5","1","2","1","1","5","2","1") = "4"
    & skf21("5","1","2","1","1","5","3","1") = "4"
    & skf21("5","1","2","1","1","5","4","1") = "4"
    & skf21("5","1","2","1","1","5","5","1") = "4"
    & skf21("5","1","2","1","1","5","6","1") = "5"
    & skf21("5","1","2","1","1","5","7","1") = "6"
    & skf21("5","1","2","1","1","6","1","1") = "5"
    & skf21("5","1","2","1","1","6","2","1") = "5"
    & skf21("5","1","2","1","1","6","3","1") = "5"
    & skf21("5","1","2","1","1","6","4","1") = "5"
    & skf21("5","1","2","1","1","6","5","1") = "5"
    & skf21("5","1","2","1","1","6","6","1") = "5"
    & skf21("5","1","2","1","1","6","7","1") = "6"
    & skf21("5","1","2","1","1","7","1","1") = "6"
    & skf21("5","1","2","1","1","7","2","1") = "6"
    & skf21("5","1","2","1","1","7","3","1") = "6"
    & skf21("5","1","2","1","1","7","4","1") = "6"
    & skf21("5","1","2","1","1","7","5","1") = "6"
    & skf21("5","1","2","1","1","7","6","1") = "6"
    & skf21("5","1","2","1","1","7","7","1") = "6"
    & skf21("5","1","2","1","2","1","1","1") = "4"
    & skf21("5","1","2","1","2","1","2","1") = "4"
    & skf21("5","1","2","1","2","1","3","1") = "4"
    & skf21("5","1","2","1","2","1","4","1") = "4"
    & skf21("5","1","2","1","2","1","5","1") = "4"
    & skf21("5","1","2","1","2","1","6","1") = "5"
    & skf21("5","1","2","1","2","1","7","1") = "6"
    & skf21("5","1","2","1","2","2","1","1") = "4"
    & skf21("5","1","2","1","2","2","2","1") = "4"
    & skf21("5","1","2","1","2","2","3","1") = "4"
    & skf21("5","1","2","1","2","2","4","1") = "4"
    & skf21("5","1","2","1","2","2","5","1") = "4"
    & skf21("5","1","2","1","2","2","6","1") = "5"
    & skf21("5","1","2","1","2","2","7","1") = "6"
    & skf21("5","1","2","1","2","3","1","1") = "4"
    & skf21("5","1","2","1","2","3","2","1") = "4"
    & skf21("5","1","2","1","2","3","3","1") = "4"
    & skf21("5","1","2","1","2","3","4","1") = "4"
    & skf21("5","1","2","1","2","3","5","1") = "4"
    & skf21("5","1","2","1","2","3","6","1") = "5"
    & skf21("5","1","2","1","2","3","7","1") = "6"
    & skf21("5","1","2","1","2","4","1","1") = "4"
    & skf21("5","1","2","1","2","4","2","1") = "4"
    & skf21("5","1","2","1","2","4","3","1") = "4"
    & skf21("5","1","2","1","2","4","4","1") = "4"
    & skf21("5","1","2","1","2","4","5","1") = "4"
    & skf21("5","1","2","1","2","4","6","1") = "5"
    & skf21("5","1","2","1","2","4","7","1") = "6"
    & skf21("5","1","2","1","2","5","1","1") = "4"
    & skf21("5","1","2","1","2","5","2","1") = "4"
    & skf21("5","1","2","1","2","5","3","1") = "4"
    & skf21("5","1","2","1","2","5","4","1") = "4"
    & skf21("5","1","2","1","2","5","5","1") = "4"
    & skf21("5","1","2","1","2","5","6","1") = "5"
    & skf21("5","1","2","1","2","5","7","1") = "6"
    & skf21("5","1","2","1","2","6","1","1") = "5"
    & skf21("5","1","2","1","2","6","2","1") = "5"
    & skf21("5","1","2","1","2","6","3","1") = "5"
    & skf21("5","1","2","1","2","6","4","1") = "5"
    & skf21("5","1","2","1","2","6","5","1") = "5"
    & skf21("5","1","2","1","2","6","6","1") = "5"
    & skf21("5","1","2","1","2","6","7","1") = "6"
    & skf21("5","1","2","1","2","7","1","1") = "6"
    & skf21("5","1","2","1","2","7","2","1") = "6"
    & skf21("5","1","2","1","2","7","3","1") = "6"
    & skf21("5","1","2","1","2","7","4","1") = "6"
    & skf21("5","1","2","1","2","7","5","1") = "6"
    & skf21("5","1","2","1","2","7","6","1") = "6"
    & skf21("5","1","2","1","2","7","7","1") = "6"
    & skf21("5","1","2","1","3","1","1","1") = "4"
    & skf21("5","1","2","1","3","1","2","1") = "4"
    & skf21("5","1","2","1","3","1","3","1") = "4"
    & skf21("5","1","2","1","3","1","4","1") = "4"
    & skf21("5","1","2","1","3","1","5","1") = "4"
    & skf21("5","1","2","1","3","1","6","1") = "5"
    & skf21("5","1","2","1","3","1","7","1") = "6"
    & skf21("5","1","2","1","3","2","1","1") = "4"
    & skf21("5","1","2","1","3","2","2","1") = "4"
    & skf21("5","1","2","1","3","2","3","1") = "4"
    & skf21("5","1","2","1","3","2","4","1") = "4"
    & skf21("5","1","2","1","3","2","5","1") = "4"
    & skf21("5","1","2","1","3","2","6","1") = "5"
    & skf21("5","1","2","1","3","2","7","1") = "6"
    & skf21("5","1","2","1","3","3","1","1") = "4"
    & skf21("5","1","2","1","3","3","2","1") = "4"
    & skf21("5","1","2","1","3","3","3","1") = "4"
    & skf21("5","1","2","1","3","3","4","1") = "4"
    & skf21("5","1","2","1","3","3","5","1") = "4"
    & skf21("5","1","2","1","3","3","6","1") = "5"
    & skf21("5","1","2","1","3","3","7","1") = "6"
    & skf21("5","1","2","1","3","4","1","1") = "4"
    & skf21("5","1","2","1","3","4","2","1") = "4"
    & skf21("5","1","2","1","3","4","3","1") = "4"
    & skf21("5","1","2","1","3","4","4","1") = "4"
    & skf21("5","1","2","1","3","4","5","1") = "4"
    & skf21("5","1","2","1","3","4","6","1") = "5"
    & skf21("5","1","2","1","3","4","7","1") = "6"
    & skf21("5","1","2","1","3","5","1","1") = "4"
    & skf21("5","1","2","1","3","5","2","1") = "4"
    & skf21("5","1","2","1","3","5","3","1") = "4"
    & skf21("5","1","2","1","3","5","4","1") = "4"
    & skf21("5","1","2","1","3","5","5","1") = "4"
    & skf21("5","1","2","1","3","5","6","1") = "5"
    & skf21("5","1","2","1","3","5","7","1") = "6"
    & skf21("5","1","2","1","3","6","1","1") = "5"
    & skf21("5","1","2","1","3","6","2","1") = "5"
    & skf21("5","1","2","1","3","6","3","1") = "5"
    & skf21("5","1","2","1","3","6","4","1") = "5"
    & skf21("5","1","2","1","3","6","5","1") = "5"
    & skf21("5","1","2","1","3","6","6","1") = "5"
    & skf21("5","1","2","1","3","6","7","1") = "6"
    & skf21("5","1","2","1","3","7","1","1") = "6"
    & skf21("5","1","2","1","3","7","2","1") = "6"
    & skf21("5","1","2","1","3","7","3","1") = "6"
    & skf21("5","1","2","1","3","7","4","1") = "6"
    & skf21("5","1","2","1","3","7","5","1") = "6"
    & skf21("5","1","2","1","3","7","6","1") = "6"
    & skf21("5","1","2","1","3","7","7","1") = "6"
    & skf21("5","1","2","1","4","1","1","1") = "4"
    & skf21("5","1","2","1","4","1","2","1") = "4"
    & skf21("5","1","2","1","4","1","3","1") = "4"
    & skf21("5","1","2","1","4","1","4","1") = "4"
    & skf21("5","1","2","1","4","1","5","1") = "4"
    & skf21("5","1","2","1","4","1","6","1") = "5"
    & skf21("5","1","2","1","4","1","7","1") = "6"
    & skf21("5","1","2","1","4","2","1","1") = "4"
    & skf21("5","1","2","1","4","2","2","1") = "4"
    & skf21("5","1","2","1","4","2","3","1") = "4"
    & skf21("5","1","2","1","4","2","4","1") = "4"
    & skf21("5","1","2","1","4","2","5","1") = "4"
    & skf21("5","1","2","1","4","2","6","1") = "5"
    & skf21("5","1","2","1","4","2","7","1") = "6"
    & skf21("5","1","2","1","4","3","1","1") = "4"
    & skf21("5","1","2","1","4","3","2","1") = "4"
    & skf21("5","1","2","1","4","3","3","1") = "4"
    & skf21("5","1","2","1","4","3","4","1") = "4"
    & skf21("5","1","2","1","4","3","5","1") = "4"
    & skf21("5","1","2","1","4","3","6","1") = "5"
    & skf21("5","1","2","1","4","3","7","1") = "6"
    & skf21("5","1","2","1","4","4","1","1") = "4"
    & skf21("5","1","2","1","4","4","2","1") = "4"
    & skf21("5","1","2","1","4","4","3","1") = "4"
    & skf21("5","1","2","1","4","4","4","1") = "4"
    & skf21("5","1","2","1","4","4","5","1") = "4"
    & skf21("5","1","2","1","4","4","6","1") = "5"
    & skf21("5","1","2","1","4","4","7","1") = "6"
    & skf21("5","1","2","1","4","5","1","1") = "4"
    & skf21("5","1","2","1","4","5","2","1") = "4"
    & skf21("5","1","2","1","4","5","3","1") = "4"
    & skf21("5","1","2","1","4","5","4","1") = "4"
    & skf21("5","1","2","1","4","5","5","1") = "4"
    & skf21("5","1","2","1","4","5","6","1") = "5"
    & skf21("5","1","2","1","4","5","7","1") = "6"
    & skf21("5","1","2","1","4","6","1","1") = "5"
    & skf21("5","1","2","1","4","6","2","1") = "5"
    & skf21("5","1","2","1","4","6","3","1") = "5"
    & skf21("5","1","2","1","4","6","4","1") = "5"
    & skf21("5","1","2","1","4","6","5","1") = "5"
    & skf21("5","1","2","1","4","6","6","1") = "5"
    & skf21("5","1","2","1","4","6","7","1") = "6"
    & skf21("5","1","2","1","4","7","1","1") = "6"
    & skf21("5","1","2","1","4","7","2","1") = "6"
    & skf21("5","1","2","1","4","7","3","1") = "6"
    & skf21("5","1","2","1","4","7","4","1") = "6"
    & skf21("5","1","2","1","4","7","5","1") = "6"
    & skf21("5","1","2","1","4","7","6","1") = "6"
    & skf21("5","1","2","1","4","7","7","1") = "6"
    & skf21("5","1","2","1","5","1","1","1") = "4"
    & skf21("5","1","2","1","5","1","2","1") = "4"
    & skf21("5","1","2","1","5","1","3","1") = "4"
    & skf21("5","1","2","1","5","1","4","1") = "4"
    & skf21("5","1","2","1","5","1","5","1") = "4"
    & skf21("5","1","2","1","5","1","6","1") = "5"
    & skf21("5","1","2","1","5","1","7","1") = "6"
    & skf21("5","1","2","1","5","2","1","1") = "4"
    & skf21("5","1","2","1","5","2","2","1") = "4"
    & skf21("5","1","2","1","5","2","3","1") = "4"
    & skf21("5","1","2","1","5","2","4","1") = "4"
    & skf21("5","1","2","1","5","2","5","1") = "4"
    & skf21("5","1","2","1","5","2","6","1") = "5"
    & skf21("5","1","2","1","5","2","7","1") = "6"
    & skf21("5","1","2","1","5","3","1","1") = "4"
    & skf21("5","1","2","1","5","3","2","1") = "4"
    & skf21("5","1","2","1","5","3","3","1") = "4"
    & skf21("5","1","2","1","5","3","4","1") = "4"
    & skf21("5","1","2","1","5","3","5","1") = "4"
    & skf21("5","1","2","1","5","3","6","1") = "5"
    & skf21("5","1","2","1","5","3","7","1") = "6"
    & skf21("5","1","2","1","5","4","1","1") = "4"
    & skf21("5","1","2","1","5","4","2","1") = "4"
    & skf21("5","1","2","1","5","4","3","1") = "4"
    & skf21("5","1","2","1","5","4","4","1") = "4"
    & skf21("5","1","2","1","5","4","5","1") = "4"
    & skf21("5","1","2","1","5","4","6","1") = "5"
    & skf21("5","1","2","1","5","4","7","1") = "6"
    & skf21("5","1","2","1","5","5","1","1") = "4"
    & skf21("5","1","2","1","5","5","2","1") = "4"
    & skf21("5","1","2","1","5","5","3","1") = "4"
    & skf21("5","1","2","1","5","5","4","1") = "4"
    & skf21("5","1","2","1","5","5","5","1") = "4"
    & skf21("5","1","2","1","5","5","6","1") = "5"
    & skf21("5","1","2","1","5","5","7","1") = "6"
    & skf21("5","1","2","1","5","6","1","1") = "5"
    & skf21("5","1","2","1","5","6","2","1") = "5"
    & skf21("5","1","2","1","5","6","3","1") = "5"
    & skf21("5","1","2","1","5","6","4","1") = "5"
    & skf21("5","1","2","1","5","6","5","1") = "5"
    & skf21("5","1","2","1","5","6","6","1") = "5"
    & skf21("5","1","2","1","5","6","7","1") = "6"
    & skf21("5","1","2","1","5","7","1","1") = "6"
    & skf21("5","1","2","1","5","7","2","1") = "6"
    & skf21("5","1","2","1","5","7","3","1") = "6"
    & skf21("5","1","2","1","5","7","4","1") = "6"
    & skf21("5","1","2","1","5","7","5","1") = "6"
    & skf21("5","1","2","1","5","7","6","1") = "6"
    & skf21("5","1","2","1","5","7","7","1") = "6"
    & skf21("5","1","2","1","6","1","1","1") = "5"
    & skf21("5","1","2","1","6","1","2","1") = "5"
    & skf21("5","1","2","1","6","1","3","1") = "5"
    & skf21("5","1","2","1","6","1","4","1") = "5"
    & skf21("5","1","2","1","6","1","5","1") = "5"
    & skf21("5","1","2","1","6","1","6","1") = "5"
    & skf21("5","1","2","1","6","1","7","1") = "6"
    & skf21("5","1","2","1","6","2","1","1") = "5"
    & skf21("5","1","2","1","6","2","2","1") = "5"
    & skf21("5","1","2","1","6","2","3","1") = "5"
    & skf21("5","1","2","1","6","2","4","1") = "5"
    & skf21("5","1","2","1","6","2","5","1") = "5"
    & skf21("5","1","2","1","6","2","6","1") = "5"
    & skf21("5","1","2","1","6","2","7","1") = "6"
    & skf21("5","1","2","1","6","3","1","1") = "5"
    & skf21("5","1","2","1","6","3","2","1") = "5"
    & skf21("5","1","2","1","6","3","3","1") = "5"
    & skf21("5","1","2","1","6","3","4","1") = "5"
    & skf21("5","1","2","1","6","3","5","1") = "5"
    & skf21("5","1","2","1","6","3","6","1") = "5"
    & skf21("5","1","2","1","6","3","7","1") = "6"
    & skf21("5","1","2","1","6","4","1","1") = "5"
    & skf21("5","1","2","1","6","4","2","1") = "5"
    & skf21("5","1","2","1","6","4","3","1") = "5"
    & skf21("5","1","2","1","6","4","4","1") = "5"
    & skf21("5","1","2","1","6","4","5","1") = "5"
    & skf21("5","1","2","1","6","4","6","1") = "5"
    & skf21("5","1","2","1","6","4","7","1") = "6"
    & skf21("5","1","2","1","6","5","1","1") = "5"
    & skf21("5","1","2","1","6","5","2","1") = "5"
    & skf21("5","1","2","1","6","5","3","1") = "5"
    & skf21("5","1","2","1","6","5","4","1") = "5"
    & skf21("5","1","2","1","6","5","5","1") = "5"
    & skf21("5","1","2","1","6","5","6","1") = "5"
    & skf21("5","1","2","1","6","5","7","1") = "6"
    & skf21("5","1","2","1","6","6","1","1") = "5"
    & skf21("5","1","2","1","6","6","2","1") = "5"
    & skf21("5","1","2","1","6","6","3","1") = "5"
    & skf21("5","1","2","1","6","6","4","1") = "5"
    & skf21("5","1","2","1","6","6","5","1") = "5"
    & skf21("5","1","2","1","6","6","6","1") = "5"
    & skf21("5","1","2","1","6","6","7","1") = "6"
    & skf21("5","1","2","1","6","7","1","1") = "6"
    & skf21("5","1","2","1","6","7","2","1") = "6"
    & skf21("5","1","2","1","6","7","3","1") = "6"
    & skf21("5","1","2","1","6","7","4","1") = "6"
    & skf21("5","1","2","1","6","7","5","1") = "6"
    & skf21("5","1","2","1","6","7","6","1") = "6"
    & skf21("5","1","2","1","6","7","7","1") = "6"
    & skf21("5","1","2","1","7","1","1","1") = "6"
    & skf21("5","1","2","1","7","1","2","1") = "6"
    & skf21("5","1","2","1","7","1","3","1") = "6"
    & skf21("5","1","2","1","7","1","4","1") = "6"
    & skf21("5","1","2","1","7","1","5","1") = "6"
    & skf21("5","1","2","1","7","1","6","1") = "6"
    & skf21("5","1","2","1","7","1","7","1") = "6"
    & skf21("5","1","2","1","7","2","1","1") = "6"
    & skf21("5","1","2","1","7","2","2","1") = "6"
    & skf21("5","1","2","1","7","2","3","1") = "6"
    & skf21("5","1","2","1","7","2","4","1") = "6"
    & skf21("5","1","2","1","7","2","5","1") = "6"
    & skf21("5","1","2","1","7","2","6","1") = "6"
    & skf21("5","1","2","1","7","2","7","1") = "6"
    & skf21("5","1","2","1","7","3","1","1") = "6"
    & skf21("5","1","2","1","7","3","2","1") = "6"
    & skf21("5","1","2","1","7","3","3","1") = "6"
    & skf21("5","1","2","1","7","3","4","1") = "6"
    & skf21("5","1","2","1","7","3","5","1") = "6"
    & skf21("5","1","2","1","7","3","6","1") = "6"
    & skf21("5","1","2","1","7","3","7","1") = "6"
    & skf21("5","1","2","1","7","4","1","1") = "6"
    & skf21("5","1","2","1","7","4","2","1") = "6"
    & skf21("5","1","2","1","7","4","3","1") = "6"
    & skf21("5","1","2","1","7","4","4","1") = "6"
    & skf21("5","1","2","1","7","4","5","1") = "6"
    & skf21("5","1","2","1","7","4","6","1") = "6"
    & skf21("5","1","2","1","7","4","7","1") = "6"
    & skf21("5","1","2","1","7","5","1","1") = "6"
    & skf21("5","1","2","1","7","5","2","1") = "6"
    & skf21("5","1","2","1","7","5","3","1") = "6"
    & skf21("5","1","2","1","7","5","4","1") = "6"
    & skf21("5","1","2","1","7","5","5","1") = "6"
    & skf21("5","1","2","1","7","5","6","1") = "6"
    & skf21("5","1","2","1","7","5","7","1") = "6"
    & skf21("5","1","2","1","7","6","1","1") = "6"
    & skf21("5","1","2","1","7","6","2","1") = "6"
    & skf21("5","1","2","1","7","6","3","1") = "6"
    & skf21("5","1","2","1","7","6","4","1") = "6"
    & skf21("5","1","2","1","7","6","5","1") = "6"
    & skf21("5","1","2","1","7","6","6","1") = "6"
    & skf21("5","1","2","1","7","6","7","1") = "6"
    & skf21("5","1","2","1","7","7","1","1") = "6"
    & skf21("5","1","2","1","7","7","2","1") = "6"
    & skf21("5","1","2","1","7","7","3","1") = "6"
    & skf21("5","1","2","1","7","7","4","1") = "6"
    & skf21("5","1","2","1","7","7","5","1") = "6"
    & skf21("5","1","2","1","7","7","6","1") = "6"
    & skf21("5","1","2","1","7","7","7","1") = "6"
    & skf21("5","1","2","2","1","1","1","1") = "4"
    & skf21("5","1","2","2","1","1","2","1") = "4"
    & skf21("5","1","2","2","1","1","3","1") = "4"
    & skf21("5","1","2","2","1","1","4","1") = "4"
    & skf21("5","1","2","2","1","1","5","1") = "4"
    & skf21("5","1","2","2","1","1","6","1") = "5"
    & skf21("5","1","2","2","1","1","7","1") = "6"
    & skf21("5","1","2","2","1","2","1","1") = "4"
    & skf21("5","1","2","2","1","2","2","1") = "4"
    & skf21("5","1","2","2","1","2","3","1") = "4"
    & skf21("5","1","2","2","1","2","4","1") = "4"
    & skf21("5","1","2","2","1","2","5","1") = "4"
    & skf21("5","1","2","2","1","2","6","1") = "5"
    & skf21("5","1","2","2","1","2","7","1") = "6"
    & skf21("5","1","2","2","1","3","1","1") = "4"
    & skf21("5","1","2","2","1","3","2","1") = "4"
    & skf21("5","1","2","2","1","3","3","1") = "4"
    & skf21("5","1","2","2","1","3","4","1") = "4"
    & skf21("5","1","2","2","1","3","5","1") = "4"
    & skf21("5","1","2","2","1","3","6","1") = "5"
    & skf21("5","1","2","2","1","3","7","1") = "6"
    & skf21("5","1","2","2","1","4","1","1") = "4"
    & skf21("5","1","2","2","1","4","2","1") = "4"
    & skf21("5","1","2","2","1","4","3","1") = "4"
    & skf21("5","1","2","2","1","4","4","1") = "4"
    & skf21("5","1","2","2","1","4","5","1") = "4"
    & skf21("5","1","2","2","1","4","6","1") = "5"
    & skf21("5","1","2","2","1","4","7","1") = "6"
    & skf21("5","1","2","2","1","5","1","1") = "4"
    & skf21("5","1","2","2","1","5","2","1") = "4"
    & skf21("5","1","2","2","1","5","3","1") = "4"
    & skf21("5","1","2","2","1","5","4","1") = "4"
    & skf21("5","1","2","2","1","5","5","1") = "4"
    & skf21("5","1","2","2","1","5","6","1") = "5"
    & skf21("5","1","2","2","1","5","7","1") = "6"
    & skf21("5","1","2","2","1","6","1","1") = "5"
    & skf21("5","1","2","2","1","6","2","1") = "5"
    & skf21("5","1","2","2","1","6","3","1") = "5"
    & skf21("5","1","2","2","1","6","4","1") = "5"
    & skf21("5","1","2","2","1","6","5","1") = "5"
    & skf21("5","1","2","2","1","6","6","1") = "5"
    & skf21("5","1","2","2","1","6","7","1") = "6"
    & skf21("5","1","2","2","1","7","1","1") = "6"
    & skf21("5","1","2","2","1","7","2","1") = "6"
    & skf21("5","1","2","2","1","7","3","1") = "6"
    & skf21("5","1","2","2","1","7","4","1") = "6"
    & skf21("5","1","2","2","1","7","5","1") = "6"
    & skf21("5","1","2","2","1","7","6","1") = "6"
    & skf21("5","1","2","2","1","7","7","1") = "6"
    & skf21("5","1","2","2","2","1","1","1") = "4"
    & skf21("5","1","2","2","2","1","2","1") = "4"
    & skf21("5","1","2","2","2","1","3","1") = "4"
    & skf21("5","1","2","2","2","1","4","1") = "4"
    & skf21("5","1","2","2","2","1","5","1") = "4"
    & skf21("5","1","2","2","2","1","6","1") = "5"
    & skf21("5","1","2","2","2","1","7","1") = "6"
    & skf21("5","1","2","2","2","2","1","1") = "4"
    & skf21("5","1","2","2","2","2","2","1") = "4"
    & skf21("5","1","2","2","2","2","3","1") = "4"
    & skf21("5","1","2","2","2","2","4","1") = "4"
    & skf21("5","1","2","2","2","2","5","1") = "4"
    & skf21("5","1","2","2","2","2","6","1") = "5"
    & skf21("5","1","2","2","2","2","7","1") = "6"
    & skf21("5","1","2","2","2","3","1","1") = "4"
    & skf21("5","1","2","2","2","3","2","1") = "4"
    & skf21("5","1","2","2","2","3","3","1") = "4"
    & skf21("5","1","2","2","2","3","4","1") = "4"
    & skf21("5","1","2","2","2","3","5","1") = "4"
    & skf21("5","1","2","2","2","3","6","1") = "5"
    & skf21("5","1","2","2","2","3","7","1") = "6"
    & skf21("5","1","2","2","2","4","1","1") = "4"
    & skf21("5","1","2","2","2","4","2","1") = "4"
    & skf21("5","1","2","2","2","4","3","1") = "4"
    & skf21("5","1","2","2","2","4","4","1") = "4"
    & skf21("5","1","2","2","2","4","5","1") = "4"
    & skf21("5","1","2","2","2","4","6","1") = "5"
    & skf21("5","1","2","2","2","4","7","1") = "6"
    & skf21("5","1","2","2","2","5","1","1") = "4"
    & skf21("5","1","2","2","2","5","2","1") = "4"
    & skf21("5","1","2","2","2","5","3","1") = "4"
    & skf21("5","1","2","2","2","5","4","1") = "4"
    & skf21("5","1","2","2","2","5","5","1") = "4"
    & skf21("5","1","2","2","2","5","6","1") = "5"
    & skf21("5","1","2","2","2","5","7","1") = "6"
    & skf21("5","1","2","2","2","6","1","1") = "5"
    & skf21("5","1","2","2","2","6","2","1") = "5"
    & skf21("5","1","2","2","2","6","3","1") = "5"
    & skf21("5","1","2","2","2","6","4","1") = "5"
    & skf21("5","1","2","2","2","6","5","1") = "5"
    & skf21("5","1","2","2","2","6","6","1") = "5"
    & skf21("5","1","2","2","2","6","7","1") = "6"
    & skf21("5","1","2","2","2","7","1","1") = "6"
    & skf21("5","1","2","2","2","7","2","1") = "6"
    & skf21("5","1","2","2","2","7","3","1") = "6"
    & skf21("5","1","2","2","2","7","4","1") = "6"
    & skf21("5","1","2","2","2","7","5","1") = "6"
    & skf21("5","1","2","2","2","7","6","1") = "6"
    & skf21("5","1","2","2","2","7","7","1") = "6"
    & skf21("5","1","2","2","3","1","1","1") = "4"
    & skf21("5","1","2","2","3","1","2","1") = "4"
    & skf21("5","1","2","2","3","1","3","1") = "4"
    & skf21("5","1","2","2","3","1","4","1") = "4"
    & skf21("5","1","2","2","3","1","5","1") = "4"
    & skf21("5","1","2","2","3","1","6","1") = "5"
    & skf21("5","1","2","2","3","1","7","1") = "6"
    & skf21("5","1","2","2","3","2","1","1") = "4"
    & skf21("5","1","2","2","3","2","2","1") = "4"
    & skf21("5","1","2","2","3","2","3","1") = "4"
    & skf21("5","1","2","2","3","2","4","1") = "4"
    & skf21("5","1","2","2","3","2","5","1") = "4"
    & skf21("5","1","2","2","3","2","6","1") = "5"
    & skf21("5","1","2","2","3","2","7","1") = "6"
    & skf21("5","1","2","2","3","3","1","1") = "4"
    & skf21("5","1","2","2","3","3","2","1") = "4"
    & skf21("5","1","2","2","3","3","3","1") = "4"
    & skf21("5","1","2","2","3","3","4","1") = "4"
    & skf21("5","1","2","2","3","3","5","1") = "4"
    & skf21("5","1","2","2","3","3","6","1") = "5"
    & skf21("5","1","2","2","3","3","7","1") = "6"
    & skf21("5","1","2","2","3","4","1","1") = "4"
    & skf21("5","1","2","2","3","4","2","1") = "4"
    & skf21("5","1","2","2","3","4","3","1") = "4"
    & skf21("5","1","2","2","3","4","4","1") = "4"
    & skf21("5","1","2","2","3","4","5","1") = "4"
    & skf21("5","1","2","2","3","4","6","1") = "5"
    & skf21("5","1","2","2","3","4","7","1") = "6"
    & skf21("5","1","2","2","3","5","1","1") = "4"
    & skf21("5","1","2","2","3","5","2","1") = "4"
    & skf21("5","1","2","2","3","5","3","1") = "4"
    & skf21("5","1","2","2","3","5","4","1") = "4"
    & skf21("5","1","2","2","3","5","5","1") = "4"
    & skf21("5","1","2","2","3","5","6","1") = "5"
    & skf21("5","1","2","2","3","5","7","1") = "6"
    & skf21("5","1","2","2","3","6","1","1") = "5"
    & skf21("5","1","2","2","3","6","2","1") = "5"
    & skf21("5","1","2","2","3","6","3","1") = "5"
    & skf21("5","1","2","2","3","6","4","1") = "5"
    & skf21("5","1","2","2","3","6","5","1") = "5"
    & skf21("5","1","2","2","3","6","6","1") = "5"
    & skf21("5","1","2","2","3","6","7","1") = "6"
    & skf21("5","1","2","2","3","7","1","1") = "6"
    & skf21("5","1","2","2","3","7","2","1") = "6"
    & skf21("5","1","2","2","3","7","3","1") = "6"
    & skf21("5","1","2","2","3","7","4","1") = "6"
    & skf21("5","1","2","2","3","7","5","1") = "6"
    & skf21("5","1","2","2","3","7","6","1") = "6"
    & skf21("5","1","2","2","3","7","7","1") = "6"
    & skf21("5","1","2","2","4","1","1","1") = "4"
    & skf21("5","1","2","2","4","1","2","1") = "4"
    & skf21("5","1","2","2","4","1","3","1") = "4"
    & skf21("5","1","2","2","4","1","4","1") = "4"
    & skf21("5","1","2","2","4","1","5","1") = "4"
    & skf21("5","1","2","2","4","1","6","1") = "5"
    & skf21("5","1","2","2","4","1","7","1") = "6"
    & skf21("5","1","2","2","4","2","1","1") = "4"
    & skf21("5","1","2","2","4","2","2","1") = "4"
    & skf21("5","1","2","2","4","2","3","1") = "4"
    & skf21("5","1","2","2","4","2","4","1") = "4"
    & skf21("5","1","2","2","4","2","5","1") = "4"
    & skf21("5","1","2","2","4","2","6","1") = "5"
    & skf21("5","1","2","2","4","2","7","1") = "6"
    & skf21("5","1","2","2","4","3","1","1") = "4"
    & skf21("5","1","2","2","4","3","2","1") = "4"
    & skf21("5","1","2","2","4","3","3","1") = "4"
    & skf21("5","1","2","2","4","3","4","1") = "4"
    & skf21("5","1","2","2","4","3","5","1") = "4"
    & skf21("5","1","2","2","4","3","6","1") = "5"
    & skf21("5","1","2","2","4","3","7","1") = "6"
    & skf21("5","1","2","2","4","4","1","1") = "4"
    & skf21("5","1","2","2","4","4","2","1") = "4"
    & skf21("5","1","2","2","4","4","3","1") = "4"
    & skf21("5","1","2","2","4","4","4","1") = "4"
    & skf21("5","1","2","2","4","4","5","1") = "4"
    & skf21("5","1","2","2","4","4","6","1") = "5"
    & skf21("5","1","2","2","4","4","7","1") = "6"
    & skf21("5","1","2","2","4","5","1","1") = "4"
    & skf21("5","1","2","2","4","5","2","1") = "4"
    & skf21("5","1","2","2","4","5","3","1") = "4"
    & skf21("5","1","2","2","4","5","4","1") = "4"
    & skf21("5","1","2","2","4","5","5","1") = "4"
    & skf21("5","1","2","2","4","5","6","1") = "5"
    & skf21("5","1","2","2","4","5","7","1") = "6"
    & skf21("5","1","2","2","4","6","1","1") = "5"
    & skf21("5","1","2","2","4","6","2","1") = "5"
    & skf21("5","1","2","2","4","6","3","1") = "5"
    & skf21("5","1","2","2","4","6","4","1") = "5"
    & skf21("5","1","2","2","4","6","5","1") = "5"
    & skf21("5","1","2","2","4","6","6","1") = "5"
    & skf21("5","1","2","2","4","6","7","1") = "6"
    & skf21("5","1","2","2","4","7","1","1") = "6"
    & skf21("5","1","2","2","4","7","2","1") = "6"
    & skf21("5","1","2","2","4","7","3","1") = "6"
    & skf21("5","1","2","2","4","7","4","1") = "6"
    & skf21("5","1","2","2","4","7","5","1") = "6"
    & skf21("5","1","2","2","4","7","6","1") = "6"
    & skf21("5","1","2","2","4","7","7","1") = "6"
    & skf21("5","1","2","2","5","1","1","1") = "4"
    & skf21("5","1","2","2","5","1","2","1") = "4"
    & skf21("5","1","2","2","5","1","3","1") = "4"
    & skf21("5","1","2","2","5","1","4","1") = "4"
    & skf21("5","1","2","2","5","1","5","1") = "4"
    & skf21("5","1","2","2","5","1","6","1") = "5"
    & skf21("5","1","2","2","5","1","7","1") = "6"
    & skf21("5","1","2","2","5","2","1","1") = "4"
    & skf21("5","1","2","2","5","2","2","1") = "4"
    & skf21("5","1","2","2","5","2","3","1") = "4"
    & skf21("5","1","2","2","5","2","4","1") = "4"
    & skf21("5","1","2","2","5","2","5","1") = "4"
    & skf21("5","1","2","2","5","2","6","1") = "5"
    & skf21("5","1","2","2","5","2","7","1") = "6"
    & skf21("5","1","2","2","5","3","1","1") = "4"
    & skf21("5","1","2","2","5","3","2","1") = "4"
    & skf21("5","1","2","2","5","3","3","1") = "4"
    & skf21("5","1","2","2","5","3","4","1") = "4"
    & skf21("5","1","2","2","5","3","5","1") = "4"
    & skf21("5","1","2","2","5","3","6","1") = "5"
    & skf21("5","1","2","2","5","3","7","1") = "6"
    & skf21("5","1","2","2","5","4","1","1") = "4"
    & skf21("5","1","2","2","5","4","2","1") = "4"
    & skf21("5","1","2","2","5","4","3","1") = "4"
    & skf21("5","1","2","2","5","4","4","1") = "4"
    & skf21("5","1","2","2","5","4","5","1") = "4"
    & skf21("5","1","2","2","5","4","6","1") = "5"
    & skf21("5","1","2","2","5","4","7","1") = "6"
    & skf21("5","1","2","2","5","5","1","1") = "4"
    & skf21("5","1","2","2","5","5","2","1") = "4"
    & skf21("5","1","2","2","5","5","3","1") = "4"
    & skf21("5","1","2","2","5","5","4","1") = "4"
    & skf21("5","1","2","2","5","5","5","1") = "4"
    & skf21("5","1","2","2","5","5","6","1") = "5"
    & skf21("5","1","2","2","5","5","7","1") = "6"
    & skf21("5","1","2","2","5","6","1","1") = "5"
    & skf21("5","1","2","2","5","6","2","1") = "5"
    & skf21("5","1","2","2","5","6","3","1") = "5"
    & skf21("5","1","2","2","5","6","4","1") = "5"
    & skf21("5","1","2","2","5","6","5","1") = "5"
    & skf21("5","1","2","2","5","6","6","1") = "5"
    & skf21("5","1","2","2","5","6","7","1") = "6"
    & skf21("5","1","2","2","5","7","1","1") = "6"
    & skf21("5","1","2","2","5","7","2","1") = "6"
    & skf21("5","1","2","2","5","7","3","1") = "6"
    & skf21("5","1","2","2","5","7","4","1") = "6"
    & skf21("5","1","2","2","5","7","5","1") = "6"
    & skf21("5","1","2","2","5","7","6","1") = "6"
    & skf21("5","1","2","2","5","7","7","1") = "6"
    & skf21("5","1","2","2","6","1","1","1") = "5"
    & skf21("5","1","2","2","6","1","2","1") = "5"
    & skf21("5","1","2","2","6","1","3","1") = "5"
    & skf21("5","1","2","2","6","1","4","1") = "5"
    & skf21("5","1","2","2","6","1","5","1") = "5"
    & skf21("5","1","2","2","6","1","6","1") = "5"
    & skf21("5","1","2","2","6","1","7","1") = "6"
    & skf21("5","1","2","2","6","2","1","1") = "5"
    & skf21("5","1","2","2","6","2","2","1") = "5"
    & skf21("5","1","2","2","6","2","3","1") = "5"
    & skf21("5","1","2","2","6","2","4","1") = "5"
    & skf21("5","1","2","2","6","2","5","1") = "5"
    & skf21("5","1","2","2","6","2","6","1") = "5"
    & skf21("5","1","2","2","6","2","7","1") = "6"
    & skf21("5","1","2","2","6","3","1","1") = "5"
    & skf21("5","1","2","2","6","3","2","1") = "5"
    & skf21("5","1","2","2","6","3","3","1") = "5"
    & skf21("5","1","2","2","6","3","4","1") = "5"
    & skf21("5","1","2","2","6","3","5","1") = "5"
    & skf21("5","1","2","2","6","3","6","1") = "5"
    & skf21("5","1","2","2","6","3","7","1") = "6"
    & skf21("5","1","2","2","6","4","1","1") = "5"
    & skf21("5","1","2","2","6","4","2","1") = "5"
    & skf21("5","1","2","2","6","4","3","1") = "5"
    & skf21("5","1","2","2","6","4","4","1") = "5"
    & skf21("5","1","2","2","6","4","5","1") = "5"
    & skf21("5","1","2","2","6","4","6","1") = "5"
    & skf21("5","1","2","2","6","4","7","1") = "6"
    & skf21("5","1","2","2","6","5","1","1") = "5"
    & skf21("5","1","2","2","6","5","2","1") = "5"
    & skf21("5","1","2","2","6","5","3","1") = "5"
    & skf21("5","1","2","2","6","5","4","1") = "5"
    & skf21("5","1","2","2","6","5","5","1") = "5"
    & skf21("5","1","2","2","6","5","6","1") = "5"
    & skf21("5","1","2","2","6","5","7","1") = "6"
    & skf21("5","1","2","2","6","6","1","1") = "5"
    & skf21("5","1","2","2","6","6","2","1") = "5"
    & skf21("5","1","2","2","6","6","3","1") = "5"
    & skf21("5","1","2","2","6","6","4","1") = "5"
    & skf21("5","1","2","2","6","6","5","1") = "5"
    & skf21("5","1","2","2","6","6","6","1") = "5"
    & skf21("5","1","2","2","6","6","7","1") = "6"
    & skf21("5","1","2","2","6","7","1","1") = "6"
    & skf21("5","1","2","2","6","7","2","1") = "6"
    & skf21("5","1","2","2","6","7","3","1") = "6"
    & skf21("5","1","2","2","6","7","4","1") = "6"
    & skf21("5","1","2","2","6","7","5","1") = "6"
    & skf21("5","1","2","2","6","7","6","1") = "6"
    & skf21("5","1","2","2","6","7","7","1") = "6"
    & skf21("5","1","2","2","7","1","1","1") = "6"
    & skf21("5","1","2","2","7","1","2","1") = "6"
    & skf21("5","1","2","2","7","1","3","1") = "6"
    & skf21("5","1","2","2","7","1","4","1") = "6"
    & skf21("5","1","2","2","7","1","5","1") = "6"
    & skf21("5","1","2","2","7","1","6","1") = "6"
    & skf21("5","1","2","2","7","1","7","1") = "6"
    & skf21("5","1","2","2","7","2","1","1") = "6"
    & skf21("5","1","2","2","7","2","2","1") = "6"
    & skf21("5","1","2","2","7","2","3","1") = "6"
    & skf21("5","1","2","2","7","2","4","1") = "6"
    & skf21("5","1","2","2","7","2","5","1") = "6"
    & skf21("5","1","2","2","7","2","6","1") = "6"
    & skf21("5","1","2","2","7","2","7","1") = "6"
    & skf21("5","1","2","2","7","3","1","1") = "6"
    & skf21("5","1","2","2","7","3","2","1") = "6"
    & skf21("5","1","2","2","7","3","3","1") = "6"
    & skf21("5","1","2","2","7","3","4","1") = "6"
    & skf21("5","1","2","2","7","3","5","1") = "6"
    & skf21("5","1","2","2","7","3","6","1") = "6"
    & skf21("5","1","2","2","7","3","7","1") = "6"
    & skf21("5","1","2","2","7","4","1","1") = "6"
    & skf21("5","1","2","2","7","4","2","1") = "6"
    & skf21("5","1","2","2","7","4","3","1") = "6"
    & skf21("5","1","2","2","7","4","4","1") = "6"
    & skf21("5","1","2","2","7","4","5","1") = "6"
    & skf21("5","1","2","2","7","4","6","1") = "6"
    & skf21("5","1","2","2","7","4","7","1") = "6"
    & skf21("5","1","2","2","7","5","1","1") = "6"
    & skf21("5","1","2","2","7","5","2","1") = "6"
    & skf21("5","1","2","2","7","5","3","1") = "6"
    & skf21("5","1","2","2","7","5","4","1") = "6"
    & skf21("5","1","2","2","7","5","5","1") = "6"
    & skf21("5","1","2","2","7","5","6","1") = "6"
    & skf21("5","1","2","2","7","5","7","1") = "6"
    & skf21("5","1","2","2","7","6","1","1") = "6"
    & skf21("5","1","2","2","7","6","2","1") = "6"
    & skf21("5","1","2","2","7","6","3","1") = "6"
    & skf21("5","1","2","2","7","6","4","1") = "6"
    & skf21("5","1","2","2","7","6","5","1") = "6"
    & skf21("5","1","2","2","7","6","6","1") = "6"
    & skf21("5","1","2","2","7","6","7","1") = "6"
    & skf21("5","1","2","2","7","7","1","1") = "6"
    & skf21("5","1","2","2","7","7","2","1") = "6"
    & skf21("5","1","2","2","7","7","3","1") = "6"
    & skf21("5","1","2","2","7","7","4","1") = "6"
    & skf21("5","1","2","2","7","7","5","1") = "6"
    & skf21("5","1","2","2","7","7","6","1") = "6"
    & skf21("5","1","2","2","7","7","7","1") = "6"
    & skf21("5","1","2","3","1","1","1","1") = "4"
    & skf21("5","1","2","3","1","1","2","1") = "4"
    & skf21("5","1","2","3","1","1","3","1") = "4"
    & skf21("5","1","2","3","1","1","4","1") = "4"
    & skf21("5","1","2","3","1","1","5","1") = "4"
    & skf21("5","1","2","3","1","1","6","1") = "5"
    & skf21("5","1","2","3","1","1","7","1") = "6"
    & skf21("5","1","2","3","1","2","1","1") = "4"
    & skf21("5","1","2","3","1","2","2","1") = "4"
    & skf21("5","1","2","3","1","2","3","1") = "4"
    & skf21("5","1","2","3","1","2","4","1") = "4"
    & skf21("5","1","2","3","1","2","5","1") = "4"
    & skf21("5","1","2","3","1","2","6","1") = "5"
    & skf21("5","1","2","3","1","2","7","1") = "6"
    & skf21("5","1","2","3","1","3","1","1") = "4"
    & skf21("5","1","2","3","1","3","2","1") = "4"
    & skf21("5","1","2","3","1","3","3","1") = "4"
    & skf21("5","1","2","3","1","3","4","1") = "4"
    & skf21("5","1","2","3","1","3","5","1") = "4"
    & skf21("5","1","2","3","1","3","6","1") = "5"
    & skf21("5","1","2","3","1","3","7","1") = "6"
    & skf21("5","1","2","3","1","4","1","1") = "4"
    & skf21("5","1","2","3","1","4","2","1") = "4"
    & skf21("5","1","2","3","1","4","3","1") = "4"
    & skf21("5","1","2","3","1","4","4","1") = "4"
    & skf21("5","1","2","3","1","4","5","1") = "4"
    & skf21("5","1","2","3","1","4","6","1") = "5"
    & skf21("5","1","2","3","1","4","7","1") = "6"
    & skf21("5","1","2","3","1","5","1","1") = "4"
    & skf21("5","1","2","3","1","5","2","1") = "4"
    & skf21("5","1","2","3","1","5","3","1") = "4"
    & skf21("5","1","2","3","1","5","4","1") = "4"
    & skf21("5","1","2","3","1","5","5","1") = "4"
    & skf21("5","1","2","3","1","5","6","1") = "5"
    & skf21("5","1","2","3","1","5","7","1") = "6"
    & skf21("5","1","2","3","1","6","1","1") = "5"
    & skf21("5","1","2","3","1","6","2","1") = "5"
    & skf21("5","1","2","3","1","6","3","1") = "5"
    & skf21("5","1","2","3","1","6","4","1") = "5"
    & skf21("5","1","2","3","1","6","5","1") = "5"
    & skf21("5","1","2","3","1","6","6","1") = "5"
    & skf21("5","1","2","3","1","6","7","1") = "6"
    & skf21("5","1","2","3","1","7","1","1") = "6"
    & skf21("5","1","2","3","1","7","2","1") = "6"
    & skf21("5","1","2","3","1","7","3","1") = "6"
    & skf21("5","1","2","3","1","7","4","1") = "6"
    & skf21("5","1","2","3","1","7","5","1") = "6"
    & skf21("5","1","2","3","1","7","6","1") = "6"
    & skf21("5","1","2","3","1","7","7","1") = "6"
    & skf21("5","1","2","3","2","1","1","1") = "4"
    & skf21("5","1","2","3","2","1","2","1") = "4"
    & skf21("5","1","2","3","2","1","3","1") = "4"
    & skf21("5","1","2","3","2","1","4","1") = "4"
    & skf21("5","1","2","3","2","1","5","1") = "4"
    & skf21("5","1","2","3","2","1","6","1") = "5"
    & skf21("5","1","2","3","2","1","7","1") = "6"
    & skf21("5","1","2","3","2","2","1","1") = "4"
    & skf21("5","1","2","3","2","2","2","1") = "4"
    & skf21("5","1","2","3","2","2","3","1") = "4"
    & skf21("5","1","2","3","2","2","4","1") = "4"
    & skf21("5","1","2","3","2","2","5","1") = "4"
    & skf21("5","1","2","3","2","2","6","1") = "5"
    & skf21("5","1","2","3","2","2","7","1") = "6"
    & skf21("5","1","2","3","2","3","1","1") = "4"
    & skf21("5","1","2","3","2","3","2","1") = "4"
    & skf21("5","1","2","3","2","3","3","1") = "4"
    & skf21("5","1","2","3","2","3","4","1") = "4"
    & skf21("5","1","2","3","2","3","5","1") = "4"
    & skf21("5","1","2","3","2","3","6","1") = "5"
    & skf21("5","1","2","3","2","3","7","1") = "6"
    & skf21("5","1","2","3","2","4","1","1") = "4"
    & skf21("5","1","2","3","2","4","2","1") = "4"
    & skf21("5","1","2","3","2","4","3","1") = "4"
    & skf21("5","1","2","3","2","4","4","1") = "4"
    & skf21("5","1","2","3","2","4","5","1") = "4"
    & skf21("5","1","2","3","2","4","6","1") = "5"
    & skf21("5","1","2","3","2","4","7","1") = "6"
    & skf21("5","1","2","3","2","5","1","1") = "4"
    & skf21("5","1","2","3","2","5","2","1") = "4"
    & skf21("5","1","2","3","2","5","3","1") = "4"
    & skf21("5","1","2","3","2","5","4","1") = "4"
    & skf21("5","1","2","3","2","5","5","1") = "4"
    & skf21("5","1","2","3","2","5","6","1") = "5"
    & skf21("5","1","2","3","2","5","7","1") = "6"
    & skf21("5","1","2","3","2","6","1","1") = "5"
    & skf21("5","1","2","3","2","6","2","1") = "5"
    & skf21("5","1","2","3","2","6","3","1") = "5"
    & skf21("5","1","2","3","2","6","4","1") = "5"
    & skf21("5","1","2","3","2","6","5","1") = "5"
    & skf21("5","1","2","3","2","6","6","1") = "5"
    & skf21("5","1","2","3","2","6","7","1") = "6"
    & skf21("5","1","2","3","2","7","1","1") = "6"
    & skf21("5","1","2","3","2","7","2","1") = "6"
    & skf21("5","1","2","3","2","7","3","1") = "6"
    & skf21("5","1","2","3","2","7","4","1") = "6"
    & skf21("5","1","2","3","2","7","5","1") = "6"
    & skf21("5","1","2","3","2","7","6","1") = "6"
    & skf21("5","1","2","3","2","7","7","1") = "6"
    & skf21("5","1","2","3","3","1","1","1") = "4"
    & skf21("5","1","2","3","3","1","2","1") = "4"
    & skf21("5","1","2","3","3","1","3","1") = "4"
    & skf21("5","1","2","3","3","1","4","1") = "4"
    & skf21("5","1","2","3","3","1","5","1") = "4"
    & skf21("5","1","2","3","3","1","6","1") = "5"
    & skf21("5","1","2","3","3","1","7","1") = "6"
    & skf21("5","1","2","3","3","2","1","1") = "4"
    & skf21("5","1","2","3","3","2","2","1") = "4"
    & skf21("5","1","2","3","3","2","3","1") = "4"
    & skf21("5","1","2","3","3","2","4","1") = "4"
    & skf21("5","1","2","3","3","2","5","1") = "4"
    & skf21("5","1","2","3","3","2","6","1") = "5"
    & skf21("5","1","2","3","3","2","7","1") = "6"
    & skf21("5","1","2","3","3","3","1","1") = "4"
    & skf21("5","1","2","3","3","3","2","1") = "4"
    & skf21("5","1","2","3","3","3","3","1") = "4"
    & skf21("5","1","2","3","3","3","4","1") = "4"
    & skf21("5","1","2","3","3","3","5","1") = "4"
    & skf21("5","1","2","3","3","3","6","1") = "5"
    & skf21("5","1","2","3","3","3","7","1") = "6"
    & skf21("5","1","2","3","3","4","1","1") = "4"
    & skf21("5","1","2","3","3","4","2","1") = "4"
    & skf21("5","1","2","3","3","4","3","1") = "4"
    & skf21("5","1","2","3","3","4","4","1") = "4"
    & skf21("5","1","2","3","3","4","5","1") = "4"
    & skf21("5","1","2","3","3","4","6","1") = "5"
    & skf21("5","1","2","3","3","4","7","1") = "6"
    & skf21("5","1","2","3","3","5","1","1") = "4"
    & skf21("5","1","2","3","3","5","2","1") = "4"
    & skf21("5","1","2","3","3","5","3","1") = "4"
    & skf21("5","1","2","3","3","5","4","1") = "4"
    & skf21("5","1","2","3","3","5","5","1") = "4"
    & skf21("5","1","2","3","3","5","6","1") = "5"
    & skf21("5","1","2","3","3","5","7","1") = "6"
    & skf21("5","1","2","3","3","6","1","1") = "5"
    & skf21("5","1","2","3","3","6","2","1") = "5"
    & skf21("5","1","2","3","3","6","3","1") = "5"
    & skf21("5","1","2","3","3","6","4","1") = "5"
    & skf21("5","1","2","3","3","6","5","1") = "5"
    & skf21("5","1","2","3","3","6","6","1") = "5"
    & skf21("5","1","2","3","3","6","7","1") = "6"
    & skf21("5","1","2","3","3","7","1","1") = "6"
    & skf21("5","1","2","3","3","7","2","1") = "6"
    & skf21("5","1","2","3","3","7","3","1") = "6"
    & skf21("5","1","2","3","3","7","4","1") = "6"
    & skf21("5","1","2","3","3","7","5","1") = "6"
    & skf21("5","1","2","3","3","7","6","1") = "6"
    & skf21("5","1","2","3","3","7","7","1") = "6"
    & skf21("5","1","2","3","4","1","1","1") = "4"
    & skf21("5","1","2","3","4","1","2","1") = "4"
    & skf21("5","1","2","3","4","1","3","1") = "4"
    & skf21("5","1","2","3","4","1","4","1") = "4"
    & skf21("5","1","2","3","4","1","5","1") = "4"
    & skf21("5","1","2","3","4","1","6","1") = "5"
    & skf21("5","1","2","3","4","1","7","1") = "6"
    & skf21("5","1","2","3","4","2","1","1") = "4"
    & skf21("5","1","2","3","4","2","2","1") = "4"
    & skf21("5","1","2","3","4","2","3","1") = "4"
    & skf21("5","1","2","3","4","2","4","1") = "4"
    & skf21("5","1","2","3","4","2","5","1") = "4"
    & skf21("5","1","2","3","4","2","6","1") = "5"
    & skf21("5","1","2","3","4","2","7","1") = "6"
    & skf21("5","1","2","3","4","3","1","1") = "4"
    & skf21("5","1","2","3","4","3","2","1") = "4"
    & skf21("5","1","2","3","4","3","3","1") = "4"
    & skf21("5","1","2","3","4","3","4","1") = "4"
    & skf21("5","1","2","3","4","3","5","1") = "4"
    & skf21("5","1","2","3","4","3","6","1") = "5"
    & skf21("5","1","2","3","4","3","7","1") = "6"
    & skf21("5","1","2","3","4","4","1","1") = "4"
    & skf21("5","1","2","3","4","4","2","1") = "4"
    & skf21("5","1","2","3","4","4","3","1") = "4"
    & skf21("5","1","2","3","4","4","4","1") = "4"
    & skf21("5","1","2","3","4","4","5","1") = "4"
    & skf21("5","1","2","3","4","4","6","1") = "5"
    & skf21("5","1","2","3","4","4","7","1") = "6"
    & skf21("5","1","2","3","4","5","1","1") = "4"
    & skf21("5","1","2","3","4","5","2","1") = "4"
    & skf21("5","1","2","3","4","5","3","1") = "4"
    & skf21("5","1","2","3","4","5","4","1") = "4"
    & skf21("5","1","2","3","4","5","5","1") = "4"
    & skf21("5","1","2","3","4","5","6","1") = "5"
    & skf21("5","1","2","3","4","5","7","1") = "6"
    & skf21("5","1","2","3","4","6","1","1") = "5"
    & skf21("5","1","2","3","4","6","2","1") = "5"
    & skf21("5","1","2","3","4","6","3","1") = "5"
    & skf21("5","1","2","3","4","6","4","1") = "5"
    & skf21("5","1","2","3","4","6","5","1") = "5"
    & skf21("5","1","2","3","4","6","6","1") = "5"
    & skf21("5","1","2","3","4","6","7","1") = "6"
    & skf21("5","1","2","3","4","7","1","1") = "6"
    & skf21("5","1","2","3","4","7","2","1") = "6"
    & skf21("5","1","2","3","4","7","3","1") = "6"
    & skf21("5","1","2","3","4","7","4","1") = "6"
    & skf21("5","1","2","3","4","7","5","1") = "6"
    & skf21("5","1","2","3","4","7","6","1") = "6"
    & skf21("5","1","2","3","4","7","7","1") = "6"
    & skf21("5","1","2","3","5","1","1","1") = "4"
    & skf21("5","1","2","3","5","1","2","1") = "4"
    & skf21("5","1","2","3","5","1","3","1") = "4"
    & skf21("5","1","2","3","5","1","4","1") = "4"
    & skf21("5","1","2","3","5","1","5","1") = "4"
    & skf21("5","1","2","3","5","1","6","1") = "5"
    & skf21("5","1","2","3","5","1","7","1") = "6"
    & skf21("5","1","2","3","5","2","1","1") = "4"
    & skf21("5","1","2","3","5","2","2","1") = "4"
    & skf21("5","1","2","3","5","2","3","1") = "4"
    & skf21("5","1","2","3","5","2","4","1") = "4"
    & skf21("5","1","2","3","5","2","5","1") = "4"
    & skf21("5","1","2","3","5","2","6","1") = "5"
    & skf21("5","1","2","3","5","2","7","1") = "6"
    & skf21("5","1","2","3","5","3","1","1") = "4"
    & skf21("5","1","2","3","5","3","2","1") = "4"
    & skf21("5","1","2","3","5","3","3","1") = "4"
    & skf21("5","1","2","3","5","3","4","1") = "4"
    & skf21("5","1","2","3","5","3","5","1") = "4"
    & skf21("5","1","2","3","5","3","6","1") = "5"
    & skf21("5","1","2","3","5","3","7","1") = "6"
    & skf21("5","1","2","3","5","4","1","1") = "4"
    & skf21("5","1","2","3","5","4","2","1") = "4"
    & skf21("5","1","2","3","5","4","3","1") = "4"
    & skf21("5","1","2","3","5","4","4","1") = "4"
    & skf21("5","1","2","3","5","4","5","1") = "4"
    & skf21("5","1","2","3","5","4","6","1") = "5"
    & skf21("5","1","2","3","5","4","7","1") = "6"
    & skf21("5","1","2","3","5","5","1","1") = "4"
    & skf21("5","1","2","3","5","5","2","1") = "4"
    & skf21("5","1","2","3","5","5","3","1") = "4"
    & skf21("5","1","2","3","5","5","4","1") = "4"
    & skf21("5","1","2","3","5","5","5","1") = "4"
    & skf21("5","1","2","3","5","5","6","1") = "5"
    & skf21("5","1","2","3","5","5","7","1") = "6"
    & skf21("5","1","2","3","5","6","1","1") = "5"
    & skf21("5","1","2","3","5","6","2","1") = "5"
    & skf21("5","1","2","3","5","6","3","1") = "5"
    & skf21("5","1","2","3","5","6","4","1") = "5"
    & skf21("5","1","2","3","5","6","5","1") = "5"
    & skf21("5","1","2","3","5","6","6","1") = "5"
    & skf21("5","1","2","3","5","6","7","1") = "6"
    & skf21("5","1","2","3","5","7","1","1") = "6"
    & skf21("5","1","2","3","5","7","2","1") = "6"
    & skf21("5","1","2","3","5","7","3","1") = "6"
    & skf21("5","1","2","3","5","7","4","1") = "6"
    & skf21("5","1","2","3","5","7","5","1") = "6"
    & skf21("5","1","2","3","5","7","6","1") = "6"
    & skf21("5","1","2","3","5","7","7","1") = "6"
    & skf21("5","1","2","3","6","1","1","1") = "5"
    & skf21("5","1","2","3","6","1","2","1") = "5"
    & skf21("5","1","2","3","6","1","3","1") = "5"
    & skf21("5","1","2","3","6","1","4","1") = "5"
    & skf21("5","1","2","3","6","1","5","1") = "5"
    & skf21("5","1","2","3","6","1","6","1") = "5"
    & skf21("5","1","2","3","6","1","7","1") = "6"
    & skf21("5","1","2","3","6","2","1","1") = "5"
    & skf21("5","1","2","3","6","2","2","1") = "5"
    & skf21("5","1","2","3","6","2","3","1") = "5"
    & skf21("5","1","2","3","6","2","4","1") = "5"
    & skf21("5","1","2","3","6","2","5","1") = "5"
    & skf21("5","1","2","3","6","2","6","1") = "5"
    & skf21("5","1","2","3","6","2","7","1") = "6"
    & skf21("5","1","2","3","6","3","1","1") = "5"
    & skf21("5","1","2","3","6","3","2","1") = "5"
    & skf21("5","1","2","3","6","3","3","1") = "5"
    & skf21("5","1","2","3","6","3","4","1") = "5"
    & skf21("5","1","2","3","6","3","5","1") = "5"
    & skf21("5","1","2","3","6","3","6","1") = "5"
    & skf21("5","1","2","3","6","3","7","1") = "6"
    & skf21("5","1","2","3","6","4","1","1") = "5"
    & skf21("5","1","2","3","6","4","2","1") = "5"
    & skf21("5","1","2","3","6","4","3","1") = "5"
    & skf21("5","1","2","3","6","4","4","1") = "5"
    & skf21("5","1","2","3","6","4","5","1") = "5"
    & skf21("5","1","2","3","6","4","6","1") = "5"
    & skf21("5","1","2","3","6","4","7","1") = "6"
    & skf21("5","1","2","3","6","5","1","1") = "5"
    & skf21("5","1","2","3","6","5","2","1") = "5"
    & skf21("5","1","2","3","6","5","3","1") = "5"
    & skf21("5","1","2","3","6","5","4","1") = "5"
    & skf21("5","1","2","3","6","5","5","1") = "5"
    & skf21("5","1","2","3","6","5","6","1") = "5"
    & skf21("5","1","2","3","6","5","7","1") = "6"
    & skf21("5","1","2","3","6","6","1","1") = "5"
    & skf21("5","1","2","3","6","6","2","1") = "5"
    & skf21("5","1","2","3","6","6","3","1") = "5"
    & skf21("5","1","2","3","6","6","4","1") = "5"
    & skf21("5","1","2","3","6","6","5","1") = "5"
    & skf21("5","1","2","3","6","6","6","1") = "5"
    & skf21("5","1","2","3","6","6","7","1") = "6"
    & skf21("5","1","2","3","6","7","1","1") = "6"
    & skf21("5","1","2","3","6","7","2","1") = "6"
    & skf21("5","1","2","3","6","7","3","1") = "6"
    & skf21("5","1","2","3","6","7","4","1") = "6"
    & skf21("5","1","2","3","6","7","5","1") = "6"
    & skf21("5","1","2","3","6","7","6","1") = "6"
    & skf21("5","1","2","3","6","7","7","1") = "6"
    & skf21("5","1","2","3","7","1","1","1") = "6"
    & skf21("5","1","2","3","7","1","2","1") = "6"
    & skf21("5","1","2","3","7","1","3","1") = "6"
    & skf21("5","1","2","3","7","1","4","1") = "6"
    & skf21("5","1","2","3","7","1","5","1") = "6"
    & skf21("5","1","2","3","7","1","6","1") = "6"
    & skf21("5","1","2","3","7","1","7","1") = "6"
    & skf21("5","1","2","3","7","2","1","1") = "6"
    & skf21("5","1","2","3","7","2","2","1") = "6"
    & skf21("5","1","2","3","7","2","3","1") = "6"
    & skf21("5","1","2","3","7","2","4","1") = "6"
    & skf21("5","1","2","3","7","2","5","1") = "6"
    & skf21("5","1","2","3","7","2","6","1") = "6"
    & skf21("5","1","2","3","7","2","7","1") = "6"
    & skf21("5","1","2","3","7","3","1","1") = "6"
    & skf21("5","1","2","3","7","3","2","1") = "6"
    & skf21("5","1","2","3","7","3","3","1") = "6"
    & skf21("5","1","2","3","7","3","4","1") = "6"
    & skf21("5","1","2","3","7","3","5","1") = "6"
    & skf21("5","1","2","3","7","3","6","1") = "6"
    & skf21("5","1","2","3","7","3","7","1") = "6"
    & skf21("5","1","2","3","7","4","1","1") = "6"
    & skf21("5","1","2","3","7","4","2","1") = "6"
    & skf21("5","1","2","3","7","4","3","1") = "6"
    & skf21("5","1","2","3","7","4","4","1") = "6"
    & skf21("5","1","2","3","7","4","5","1") = "6"
    & skf21("5","1","2","3","7","4","6","1") = "6"
    & skf21("5","1","2","3","7","4","7","1") = "6"
    & skf21("5","1","2","3","7","5","1","1") = "6"
    & skf21("5","1","2","3","7","5","2","1") = "6"
    & skf21("5","1","2","3","7","5","3","1") = "6"
    & skf21("5","1","2","3","7","5","4","1") = "6"
    & skf21("5","1","2","3","7","5","5","1") = "6"
    & skf21("5","1","2","3","7","5","6","1") = "6"
    & skf21("5","1","2","3","7","5","7","1") = "6"
    & skf21("5","1","2","3","7","6","1","1") = "6"
    & skf21("5","1","2","3","7","6","2","1") = "6"
    & skf21("5","1","2","3","7","6","3","1") = "6"
    & skf21("5","1","2","3","7","6","4","1") = "6"
    & skf21("5","1","2","3","7","6","5","1") = "6"
    & skf21("5","1","2","3","7","6","6","1") = "6"
    & skf21("5","1","2","3","7","6","7","1") = "6"
    & skf21("5","1","2","3","7","7","1","1") = "6"
    & skf21("5","1","2","3","7","7","2","1") = "6"
    & skf21("5","1","2","3","7","7","3","1") = "6"
    & skf21("5","1","2","3","7","7","4","1") = "6"
    & skf21("5","1","2","3","7","7","5","1") = "6"
    & skf21("5","1","2","3","7","7","6","1") = "6"
    & skf21("5","1","2","3","7","7","7","1") = "6"
    & skf21("5","1","2","4","1","1","1","1") = "4"
    & skf21("5","1","2","4","1","1","2","1") = "4"
    & skf21("5","1","2","4","1","1","3","1") = "4"
    & skf21("5","1","2","4","1","1","4","1") = "4"
    & skf21("5","1","2","4","1","1","5","1") = "4"
    & skf21("5","1","2","4","1","1","6","1") = "5"
    & skf21("5","1","2","4","1","1","7","1") = "6"
    & skf21("5","1","2","4","1","2","1","1") = "4"
    & skf21("5","1","2","4","1","2","2","1") = "4"
    & skf21("5","1","2","4","1","2","3","1") = "4"
    & skf21("5","1","2","4","1","2","4","1") = "4"
    & skf21("5","1","2","4","1","2","5","1") = "4"
    & skf21("5","1","2","4","1","2","6","1") = "5"
    & skf21("5","1","2","4","1","2","7","1") = "6"
    & skf21("5","1","2","4","1","3","1","1") = "4"
    & skf21("5","1","2","4","1","3","2","1") = "4"
    & skf21("5","1","2","4","1","3","3","1") = "4"
    & skf21("5","1","2","4","1","3","4","1") = "4"
    & skf21("5","1","2","4","1","3","5","1") = "4"
    & skf21("5","1","2","4","1","3","6","1") = "5"
    & skf21("5","1","2","4","1","3","7","1") = "6"
    & skf21("5","1","2","4","1","4","1","1") = "4"
    & skf21("5","1","2","4","1","4","2","1") = "4"
    & skf21("5","1","2","4","1","4","3","1") = "4"
    & skf21("5","1","2","4","1","4","4","1") = "4"
    & skf21("5","1","2","4","1","4","5","1") = "4"
    & skf21("5","1","2","4","1","4","6","1") = "5"
    & skf21("5","1","2","4","1","4","7","1") = "6"
    & skf21("5","1","2","4","1","5","1","1") = "4"
    & skf21("5","1","2","4","1","5","2","1") = "4"
    & skf21("5","1","2","4","1","5","3","1") = "4"
    & skf21("5","1","2","4","1","5","4","1") = "4"
    & skf21("5","1","2","4","1","5","5","1") = "4"
    & skf21("5","1","2","4","1","5","6","1") = "5"
    & skf21("5","1","2","4","1","5","7","1") = "6"
    & skf21("5","1","2","4","1","6","1","1") = "5"
    & skf21("5","1","2","4","1","6","2","1") = "5"
    & skf21("5","1","2","4","1","6","3","1") = "5"
    & skf21("5","1","2","4","1","6","4","1") = "5"
    & skf21("5","1","2","4","1","6","5","1") = "5"
    & skf21("5","1","2","4","1","6","6","1") = "5"
    & skf21("5","1","2","4","1","6","7","1") = "6"
    & skf21("5","1","2","4","1","7","1","1") = "6"
    & skf21("5","1","2","4","1","7","2","1") = "6"
    & skf21("5","1","2","4","1","7","3","1") = "6"
    & skf21("5","1","2","4","1","7","4","1") = "6"
    & skf21("5","1","2","4","1","7","5","1") = "6"
    & skf21("5","1","2","4","1","7","6","1") = "6"
    & skf21("5","1","2","4","1","7","7","1") = "6"
    & skf21("5","1","2","4","2","1","1","1") = "4"
    & skf21("5","1","2","4","2","1","2","1") = "4"
    & skf21("5","1","2","4","2","1","3","1") = "4"
    & skf21("5","1","2","4","2","1","4","1") = "4"
    & skf21("5","1","2","4","2","1","5","1") = "4"
    & skf21("5","1","2","4","2","1","6","1") = "5"
    & skf21("5","1","2","4","2","1","7","1") = "6"
    & skf21("5","1","2","4","2","2","1","1") = "4"
    & skf21("5","1","2","4","2","2","2","1") = "4"
    & skf21("5","1","2","4","2","2","3","1") = "4"
    & skf21("5","1","2","4","2","2","4","1") = "4"
    & skf21("5","1","2","4","2","2","5","1") = "4"
    & skf21("5","1","2","4","2","2","6","1") = "5"
    & skf21("5","1","2","4","2","2","7","1") = "6"
    & skf21("5","1","2","4","2","3","1","1") = "4"
    & skf21("5","1","2","4","2","3","2","1") = "4"
    & skf21("5","1","2","4","2","3","3","1") = "4"
    & skf21("5","1","2","4","2","3","4","1") = "4"
    & skf21("5","1","2","4","2","3","5","1") = "4"
    & skf21("5","1","2","4","2","3","6","1") = "5"
    & skf21("5","1","2","4","2","3","7","1") = "6"
    & skf21("5","1","2","4","2","4","1","1") = "4"
    & skf21("5","1","2","4","2","4","2","1") = "4"
    & skf21("5","1","2","4","2","4","3","1") = "4"
    & skf21("5","1","2","4","2","4","4","1") = "4"
    & skf21("5","1","2","4","2","4","5","1") = "4"
    & skf21("5","1","2","4","2","4","6","1") = "5"
    & skf21("5","1","2","4","2","4","7","1") = "6"
    & skf21("5","1","2","4","2","5","1","1") = "4"
    & skf21("5","1","2","4","2","5","2","1") = "4"
    & skf21("5","1","2","4","2","5","3","1") = "4"
    & skf21("5","1","2","4","2","5","4","1") = "4"
    & skf21("5","1","2","4","2","5","5","1") = "4"
    & skf21("5","1","2","4","2","5","6","1") = "5"
    & skf21("5","1","2","4","2","5","7","1") = "6"
    & skf21("5","1","2","4","2","6","1","1") = "5"
    & skf21("5","1","2","4","2","6","2","1") = "5"
    & skf21("5","1","2","4","2","6","3","1") = "5"
    & skf21("5","1","2","4","2","6","4","1") = "5"
    & skf21("5","1","2","4","2","6","5","1") = "5"
    & skf21("5","1","2","4","2","6","6","1") = "5"
    & skf21("5","1","2","4","2","6","7","1") = "6"
    & skf21("5","1","2","4","2","7","1","1") = "6"
    & skf21("5","1","2","4","2","7","2","1") = "6"
    & skf21("5","1","2","4","2","7","3","1") = "6"
    & skf21("5","1","2","4","2","7","4","1") = "6"
    & skf21("5","1","2","4","2","7","5","1") = "6"
    & skf21("5","1","2","4","2","7","6","1") = "6"
    & skf21("5","1","2","4","2","7","7","1") = "6"
    & skf21("5","1","2","4","3","1","1","1") = "4"
    & skf21("5","1","2","4","3","1","2","1") = "4"
    & skf21("5","1","2","4","3","1","3","1") = "4"
    & skf21("5","1","2","4","3","1","4","1") = "4"
    & skf21("5","1","2","4","3","1","5","1") = "4"
    & skf21("5","1","2","4","3","1","6","1") = "5"
    & skf21("5","1","2","4","3","1","7","1") = "6"
    & skf21("5","1","2","4","3","2","1","1") = "4"
    & skf21("5","1","2","4","3","2","2","1") = "4"
    & skf21("5","1","2","4","3","2","3","1") = "4"
    & skf21("5","1","2","4","3","2","4","1") = "4"
    & skf21("5","1","2","4","3","2","5","1") = "4"
    & skf21("5","1","2","4","3","2","6","1") = "5"
    & skf21("5","1","2","4","3","2","7","1") = "6"
    & skf21("5","1","2","4","3","3","1","1") = "4"
    & skf21("5","1","2","4","3","3","2","1") = "4"
    & skf21("5","1","2","4","3","3","3","1") = "4"
    & skf21("5","1","2","4","3","3","4","1") = "4"
    & skf21("5","1","2","4","3","3","5","1") = "4"
    & skf21("5","1","2","4","3","3","6","1") = "5"
    & skf21("5","1","2","4","3","3","7","1") = "6"
    & skf21("5","1","2","4","3","4","1","1") = "4"
    & skf21("5","1","2","4","3","4","2","1") = "4"
    & skf21("5","1","2","4","3","4","3","1") = "4"
    & skf21("5","1","2","4","3","4","4","1") = "4"
    & skf21("5","1","2","4","3","4","5","1") = "4"
    & skf21("5","1","2","4","3","4","6","1") = "5"
    & skf21("5","1","2","4","3","4","7","1") = "6"
    & skf21("5","1","2","4","3","5","1","1") = "4"
    & skf21("5","1","2","4","3","5","2","1") = "4"
    & skf21("5","1","2","4","3","5","3","1") = "4"
    & skf21("5","1","2","4","3","5","4","1") = "4"
    & skf21("5","1","2","4","3","5","5","1") = "4"
    & skf21("5","1","2","4","3","5","6","1") = "5"
    & skf21("5","1","2","4","3","5","7","1") = "6"
    & skf21("5","1","2","4","3","6","1","1") = "5"
    & skf21("5","1","2","4","3","6","2","1") = "5"
    & skf21("5","1","2","4","3","6","3","1") = "5"
    & skf21("5","1","2","4","3","6","4","1") = "5"
    & skf21("5","1","2","4","3","6","5","1") = "5"
    & skf21("5","1","2","4","3","6","6","1") = "5"
    & skf21("5","1","2","4","3","6","7","1") = "6"
    & skf21("5","1","2","4","3","7","1","1") = "6"
    & skf21("5","1","2","4","3","7","2","1") = "6"
    & skf21("5","1","2","4","3","7","3","1") = "6"
    & skf21("5","1","2","4","3","7","4","1") = "6"
    & skf21("5","1","2","4","3","7","5","1") = "6"
    & skf21("5","1","2","4","3","7","6","1") = "6"
    & skf21("5","1","2","4","3","7","7","1") = "6"
    & skf21("5","1","2","4","4","1","1","1") = "4"
    & skf21("5","1","2","4","4","1","2","1") = "4"
    & skf21("5","1","2","4","4","1","3","1") = "4"
    & skf21("5","1","2","4","4","1","4","1") = "4"
    & skf21("5","1","2","4","4","1","5","1") = "4"
    & skf21("5","1","2","4","4","1","6","1") = "5"
    & skf21("5","1","2","4","4","1","7","1") = "6"
    & skf21("5","1","2","4","4","2","1","1") = "4"
    & skf21("5","1","2","4","4","2","2","1") = "4"
    & skf21("5","1","2","4","4","2","3","1") = "4"
    & skf21("5","1","2","4","4","2","4","1") = "4"
    & skf21("5","1","2","4","4","2","5","1") = "4"
    & skf21("5","1","2","4","4","2","6","1") = "5"
    & skf21("5","1","2","4","4","2","7","1") = "6"
    & skf21("5","1","2","4","4","3","1","1") = "4"
    & skf21("5","1","2","4","4","3","2","1") = "4"
    & skf21("5","1","2","4","4","3","3","1") = "4"
    & skf21("5","1","2","4","4","3","4","1") = "4"
    & skf21("5","1","2","4","4","3","5","1") = "4"
    & skf21("5","1","2","4","4","3","6","1") = "5"
    & skf21("5","1","2","4","4","3","7","1") = "6"
    & skf21("5","1","2","4","4","4","1","1") = "4"
    & skf21("5","1","2","4","4","4","2","1") = "4"
    & skf21("5","1","2","4","4","4","3","1") = "4"
    & skf21("5","1","2","4","4","4","4","1") = "4"
    & skf21("5","1","2","4","4","4","5","1") = "4"
    & skf21("5","1","2","4","4","4","6","1") = "5"
    & skf21("5","1","2","4","4","4","7","1") = "6"
    & skf21("5","1","2","4","4","5","1","1") = "4"
    & skf21("5","1","2","4","4","5","2","1") = "4"
    & skf21("5","1","2","4","4","5","3","1") = "4"
    & skf21("5","1","2","4","4","5","4","1") = "4"
    & skf21("5","1","2","4","4","5","5","1") = "4"
    & skf21("5","1","2","4","4","5","6","1") = "5"
    & skf21("5","1","2","4","4","5","7","1") = "6"
    & skf21("5","1","2","4","4","6","1","1") = "5"
    & skf21("5","1","2","4","4","6","2","1") = "5"
    & skf21("5","1","2","4","4","6","3","1") = "5"
    & skf21("5","1","2","4","4","6","4","1") = "5"
    & skf21("5","1","2","4","4","6","5","1") = "5"
    & skf21("5","1","2","4","4","6","6","1") = "5"
    & skf21("5","1","2","4","4","6","7","1") = "6"
    & skf21("5","1","2","4","4","7","1","1") = "6"
    & skf21("5","1","2","4","4","7","2","1") = "6"
    & skf21("5","1","2","4","4","7","3","1") = "6"
    & skf21("5","1","2","4","4","7","4","1") = "6"
    & skf21("5","1","2","4","4","7","5","1") = "6"
    & skf21("5","1","2","4","4","7","6","1") = "6"
    & skf21("5","1","2","4","4","7","7","1") = "6"
    & skf21("5","1","2","4","5","1","1","1") = "4"
    & skf21("5","1","2","4","5","1","2","1") = "4"
    & skf21("5","1","2","4","5","1","3","1") = "4"
    & skf21("5","1","2","4","5","1","4","1") = "4"
    & skf21("5","1","2","4","5","1","5","1") = "4"
    & skf21("5","1","2","4","5","1","6","1") = "5"
    & skf21("5","1","2","4","5","1","7","1") = "6"
    & skf21("5","1","2","4","5","2","1","1") = "4"
    & skf21("5","1","2","4","5","2","2","1") = "4"
    & skf21("5","1","2","4","5","2","3","1") = "4"
    & skf21("5","1","2","4","5","2","4","1") = "4"
    & skf21("5","1","2","4","5","2","5","1") = "4"
    & skf21("5","1","2","4","5","2","6","1") = "5"
    & skf21("5","1","2","4","5","2","7","1") = "6"
    & skf21("5","1","2","4","5","3","1","1") = "4"
    & skf21("5","1","2","4","5","3","2","1") = "4"
    & skf21("5","1","2","4","5","3","3","1") = "4"
    & skf21("5","1","2","4","5","3","4","1") = "4"
    & skf21("5","1","2","4","5","3","5","1") = "4"
    & skf21("5","1","2","4","5","3","6","1") = "5"
    & skf21("5","1","2","4","5","3","7","1") = "6"
    & skf21("5","1","2","4","5","4","1","1") = "4"
    & skf21("5","1","2","4","5","4","2","1") = "4"
    & skf21("5","1","2","4","5","4","3","1") = "4"
    & skf21("5","1","2","4","5","4","4","1") = "4"
    & skf21("5","1","2","4","5","4","5","1") = "4"
    & skf21("5","1","2","4","5","4","6","1") = "5"
    & skf21("5","1","2","4","5","4","7","1") = "6"
    & skf21("5","1","2","4","5","5","1","1") = "4"
    & skf21("5","1","2","4","5","5","2","1") = "4"
    & skf21("5","1","2","4","5","5","3","1") = "4"
    & skf21("5","1","2","4","5","5","4","1") = "4"
    & skf21("5","1","2","4","5","5","5","1") = "4"
    & skf21("5","1","2","4","5","5","6","1") = "5"
    & skf21("5","1","2","4","5","5","7","1") = "6"
    & skf21("5","1","2","4","5","6","1","1") = "5"
    & skf21("5","1","2","4","5","6","2","1") = "5"
    & skf21("5","1","2","4","5","6","3","1") = "5"
    & skf21("5","1","2","4","5","6","4","1") = "5"
    & skf21("5","1","2","4","5","6","5","1") = "5"
    & skf21("5","1","2","4","5","6","6","1") = "5"
    & skf21("5","1","2","4","5","6","7","1") = "6"
    & skf21("5","1","2","4","5","7","1","1") = "6"
    & skf21("5","1","2","4","5","7","2","1") = "6"
    & skf21("5","1","2","4","5","7","3","1") = "6"
    & skf21("5","1","2","4","5","7","4","1") = "6"
    & skf21("5","1","2","4","5","7","5","1") = "6"
    & skf21("5","1","2","4","5","7","6","1") = "6"
    & skf21("5","1","2","4","5","7","7","1") = "6"
    & skf21("5","1","2","4","6","1","1","1") = "5"
    & skf21("5","1","2","4","6","1","2","1") = "5"
    & skf21("5","1","2","4","6","1","3","1") = "5"
    & skf21("5","1","2","4","6","1","4","1") = "5"
    & skf21("5","1","2","4","6","1","5","1") = "5"
    & skf21("5","1","2","4","6","1","6","1") = "5"
    & skf21("5","1","2","4","6","1","7","1") = "6"
    & skf21("5","1","2","4","6","2","1","1") = "5"
    & skf21("5","1","2","4","6","2","2","1") = "5"
    & skf21("5","1","2","4","6","2","3","1") = "5"
    & skf21("5","1","2","4","6","2","4","1") = "5"
    & skf21("5","1","2","4","6","2","5","1") = "5"
    & skf21("5","1","2","4","6","2","6","1") = "5"
    & skf21("5","1","2","4","6","2","7","1") = "6"
    & skf21("5","1","2","4","6","3","1","1") = "5"
    & skf21("5","1","2","4","6","3","2","1") = "5"
    & skf21("5","1","2","4","6","3","3","1") = "5"
    & skf21("5","1","2","4","6","3","4","1") = "5"
    & skf21("5","1","2","4","6","3","5","1") = "5"
    & skf21("5","1","2","4","6","3","6","1") = "5"
    & skf21("5","1","2","4","6","3","7","1") = "6"
    & skf21("5","1","2","4","6","4","1","1") = "5"
    & skf21("5","1","2","4","6","4","2","1") = "5"
    & skf21("5","1","2","4","6","4","3","1") = "5"
    & skf21("5","1","2","4","6","4","4","1") = "5"
    & skf21("5","1","2","4","6","4","5","1") = "5"
    & skf21("5","1","2","4","6","4","6","1") = "5"
    & skf21("5","1","2","4","6","4","7","1") = "6"
    & skf21("5","1","2","4","6","5","1","1") = "5"
    & skf21("5","1","2","4","6","5","2","1") = "5"
    & skf21("5","1","2","4","6","5","3","1") = "5"
    & skf21("5","1","2","4","6","5","4","1") = "5"
    & skf21("5","1","2","4","6","5","5","1") = "5"
    & skf21("5","1","2","4","6","5","6","1") = "5"
    & skf21("5","1","2","4","6","5","7","1") = "6"
    & skf21("5","1","2","4","6","6","1","1") = "5"
    & skf21("5","1","2","4","6","6","2","1") = "5"
    & skf21("5","1","2","4","6","6","3","1") = "5"
    & skf21("5","1","2","4","6","6","4","1") = "5"
    & skf21("5","1","2","4","6","6","5","1") = "5"
    & skf21("5","1","2","4","6","6","6","1") = "5"
    & skf21("5","1","2","4","6","6","7","1") = "6"
    & skf21("5","1","2","4","6","7","1","1") = "6"
    & skf21("5","1","2","4","6","7","2","1") = "6"
    & skf21("5","1","2","4","6","7","3","1") = "6"
    & skf21("5","1","2","4","6","7","4","1") = "6"
    & skf21("5","1","2","4","6","7","5","1") = "6"
    & skf21("5","1","2","4","6","7","6","1") = "6"
    & skf21("5","1","2","4","6","7","7","1") = "6"
    & skf21("5","1","2","4","7","1","1","1") = "6"
    & skf21("5","1","2","4","7","1","2","1") = "6"
    & skf21("5","1","2","4","7","1","3","1") = "6"
    & skf21("5","1","2","4","7","1","4","1") = "6"
    & skf21("5","1","2","4","7","1","5","1") = "6"
    & skf21("5","1","2","4","7","1","6","1") = "6"
    & skf21("5","1","2","4","7","1","7","1") = "6"
    & skf21("5","1","2","4","7","2","1","1") = "6"
    & skf21("5","1","2","4","7","2","2","1") = "6"
    & skf21("5","1","2","4","7","2","3","1") = "6"
    & skf21("5","1","2","4","7","2","4","1") = "6"
    & skf21("5","1","2","4","7","2","5","1") = "6"
    & skf21("5","1","2","4","7","2","6","1") = "6"
    & skf21("5","1","2","4","7","2","7","1") = "6"
    & skf21("5","1","2","4","7","3","1","1") = "6"
    & skf21("5","1","2","4","7","3","2","1") = "6"
    & skf21("5","1","2","4","7","3","3","1") = "6"
    & skf21("5","1","2","4","7","3","4","1") = "6"
    & skf21("5","1","2","4","7","3","5","1") = "6"
    & skf21("5","1","2","4","7","3","6","1") = "6"
    & skf21("5","1","2","4","7","3","7","1") = "6"
    & skf21("5","1","2","4","7","4","1","1") = "6"
    & skf21("5","1","2","4","7","4","2","1") = "6"
    & skf21("5","1","2","4","7","4","3","1") = "6"
    & skf21("5","1","2","4","7","4","4","1") = "6"
    & skf21("5","1","2","4","7","4","5","1") = "6"
    & skf21("5","1","2","4","7","4","6","1") = "6"
    & skf21("5","1","2","4","7","4","7","1") = "6"
    & skf21("5","1","2","4","7","5","1","1") = "6"
    & skf21("5","1","2","4","7","5","2","1") = "6"
    & skf21("5","1","2","4","7","5","3","1") = "6"
    & skf21("5","1","2","4","7","5","4","1") = "6"
    & skf21("5","1","2","4","7","5","5","1") = "6"
    & skf21("5","1","2","4","7","5","6","1") = "6"
    & skf21("5","1","2","4","7","5","7","1") = "6"
    & skf21("5","1","2","4","7","6","1","1") = "6"
    & skf21("5","1","2","4","7","6","2","1") = "6"
    & skf21("5","1","2","4","7","6","3","1") = "6"
    & skf21("5","1","2","4","7","6","4","1") = "6"
    & skf21("5","1","2","4","7","6","5","1") = "6"
    & skf21("5","1","2","4","7","6","6","1") = "6"
    & skf21("5","1","2","4","7","6","7","1") = "6"
    & skf21("5","1","2","4","7","7","1","1") = "6"
    & skf21("5","1","2","4","7","7","2","1") = "6"
    & skf21("5","1","2","4","7","7","3","1") = "6"
    & skf21("5","1","2","4","7","7","4","1") = "6"
    & skf21("5","1","2","4","7","7","5","1") = "6"
    & skf21("5","1","2","4","7","7","6","1") = "6"
    & skf21("5","1","2","4","7","7","7","1") = "6"
    & skf21("5","1","2","5","1","1","1","1") = "4"
    & skf21("5","1","2","5","1","1","2","1") = "4"
    & skf21("5","1","2","5","1","1","3","1") = "4"
    & skf21("5","1","2","5","1","1","4","1") = "4"
    & skf21("5","1","2","5","1","1","5","1") = "4"
    & skf21("5","1","2","5","1","1","6","1") = "5"
    & skf21("5","1","2","5","1","1","7","1") = "6"
    & skf21("5","1","2","5","1","2","1","1") = "4"
    & skf21("5","1","2","5","1","2","2","1") = "4"
    & skf21("5","1","2","5","1","2","3","1") = "4"
    & skf21("5","1","2","5","1","2","4","1") = "4"
    & skf21("5","1","2","5","1","2","5","1") = "4"
    & skf21("5","1","2","5","1","2","6","1") = "5"
    & skf21("5","1","2","5","1","2","7","1") = "6"
    & skf21("5","1","2","5","1","3","1","1") = "4"
    & skf21("5","1","2","5","1","3","2","1") = "4"
    & skf21("5","1","2","5","1","3","3","1") = "4"
    & skf21("5","1","2","5","1","3","4","1") = "4"
    & skf21("5","1","2","5","1","3","5","1") = "4"
    & skf21("5","1","2","5","1","3","6","1") = "5"
    & skf21("5","1","2","5","1","3","7","1") = "6"
    & skf21("5","1","2","5","1","4","1","1") = "4"
    & skf21("5","1","2","5","1","4","2","1") = "4"
    & skf21("5","1","2","5","1","4","3","1") = "4"
    & skf21("5","1","2","5","1","4","4","1") = "4"
    & skf21("5","1","2","5","1","4","5","1") = "4"
    & skf21("5","1","2","5","1","4","6","1") = "5"
    & skf21("5","1","2","5","1","4","7","1") = "6"
    & skf21("5","1","2","5","1","5","1","1") = "4"
    & skf21("5","1","2","5","1","5","2","1") = "4"
    & skf21("5","1","2","5","1","5","3","1") = "4"
    & skf21("5","1","2","5","1","5","4","1") = "4"
    & skf21("5","1","2","5","1","5","5","1") = "4"
    & skf21("5","1","2","5","1","5","6","1") = "5"
    & skf21("5","1","2","5","1","5","7","1") = "6"
    & skf21("5","1","2","5","1","6","1","1") = "5"
    & skf21("5","1","2","5","1","6","2","1") = "5"
    & skf21("5","1","2","5","1","6","3","1") = "5"
    & skf21("5","1","2","5","1","6","4","1") = "5"
    & skf21("5","1","2","5","1","6","5","1") = "5"
    & skf21("5","1","2","5","1","6","6","1") = "5"
    & skf21("5","1","2","5","1","6","7","1") = "6"
    & skf21("5","1","2","5","1","7","1","1") = "6"
    & skf21("5","1","2","5","1","7","2","1") = "6"
    & skf21("5","1","2","5","1","7","3","1") = "6"
    & skf21("5","1","2","5","1","7","4","1") = "6"
    & skf21("5","1","2","5","1","7","5","1") = "6"
    & skf21("5","1","2","5","1","7","6","1") = "6"
    & skf21("5","1","2","5","1","7","7","1") = "6"
    & skf21("5","1","2","5","2","1","1","1") = "4"
    & skf21("5","1","2","5","2","1","2","1") = "4"
    & skf21("5","1","2","5","2","1","3","1") = "4"
    & skf21("5","1","2","5","2","1","4","1") = "4"
    & skf21("5","1","2","5","2","1","5","1") = "4"
    & skf21("5","1","2","5","2","1","6","1") = "5"
    & skf21("5","1","2","5","2","1","7","1") = "6"
    & skf21("5","1","2","5","2","2","1","1") = "4"
    & skf21("5","1","2","5","2","2","2","1") = "4"
    & skf21("5","1","2","5","2","2","3","1") = "4"
    & skf21("5","1","2","5","2","2","4","1") = "4"
    & skf21("5","1","2","5","2","2","5","1") = "4"
    & skf21("5","1","2","5","2","2","6","1") = "5"
    & skf21("5","1","2","5","2","2","7","1") = "6"
    & skf21("5","1","2","5","2","3","1","1") = "4"
    & skf21("5","1","2","5","2","3","2","1") = "4"
    & skf21("5","1","2","5","2","3","3","1") = "4"
    & skf21("5","1","2","5","2","3","4","1") = "4"
    & skf21("5","1","2","5","2","3","5","1") = "4"
    & skf21("5","1","2","5","2","3","6","1") = "5"
    & skf21("5","1","2","5","2","3","7","1") = "6"
    & skf21("5","1","2","5","2","4","1","1") = "4"
    & skf21("5","1","2","5","2","4","2","1") = "4"
    & skf21("5","1","2","5","2","4","3","1") = "4"
    & skf21("5","1","2","5","2","4","4","1") = "4"
    & skf21("5","1","2","5","2","4","5","1") = "4"
    & skf21("5","1","2","5","2","4","6","1") = "5"
    & skf21("5","1","2","5","2","4","7","1") = "6"
    & skf21("5","1","2","5","2","5","1","1") = "4"
    & skf21("5","1","2","5","2","5","2","1") = "4"
    & skf21("5","1","2","5","2","5","3","1") = "4"
    & skf21("5","1","2","5","2","5","4","1") = "4"
    & skf21("5","1","2","5","2","5","5","1") = "4"
    & skf21("5","1","2","5","2","5","6","1") = "5"
    & skf21("5","1","2","5","2","5","7","1") = "6"
    & skf21("5","1","2","5","2","6","1","1") = "5"
    & skf21("5","1","2","5","2","6","2","1") = "5"
    & skf21("5","1","2","5","2","6","3","1") = "5"
    & skf21("5","1","2","5","2","6","4","1") = "5"
    & skf21("5","1","2","5","2","6","5","1") = "5"
    & skf21("5","1","2","5","2","6","6","1") = "5"
    & skf21("5","1","2","5","2","6","7","1") = "6"
    & skf21("5","1","2","5","2","7","1","1") = "6"
    & skf21("5","1","2","5","2","7","2","1") = "6"
    & skf21("5","1","2","5","2","7","3","1") = "6"
    & skf21("5","1","2","5","2","7","4","1") = "6"
    & skf21("5","1","2","5","2","7","5","1") = "6"
    & skf21("5","1","2","5","2","7","6","1") = "6"
    & skf21("5","1","2","5","2","7","7","1") = "6"
    & skf21("5","1","2","5","3","1","1","1") = "4"
    & skf21("5","1","2","5","3","1","2","1") = "4"
    & skf21("5","1","2","5","3","1","3","1") = "4"
    & skf21("5","1","2","5","3","1","4","1") = "4"
    & skf21("5","1","2","5","3","1","5","1") = "4"
    & skf21("5","1","2","5","3","1","6","1") = "5"
    & skf21("5","1","2","5","3","1","7","1") = "6"
    & skf21("5","1","2","5","3","2","1","1") = "4"
    & skf21("5","1","2","5","3","2","2","1") = "4"
    & skf21("5","1","2","5","3","2","3","1") = "4"
    & skf21("5","1","2","5","3","2","4","1") = "4"
    & skf21("5","1","2","5","3","2","5","1") = "4"
    & skf21("5","1","2","5","3","2","6","1") = "5"
    & skf21("5","1","2","5","3","2","7","1") = "6"
    & skf21("5","1","2","5","3","3","1","1") = "4"
    & skf21("5","1","2","5","3","3","2","1") = "4"
    & skf21("5","1","2","5","3","3","3","1") = "4"
    & skf21("5","1","2","5","3","3","4","1") = "4"
    & skf21("5","1","2","5","3","3","5","1") = "4"
    & skf21("5","1","2","5","3","3","6","1") = "5"
    & skf21("5","1","2","5","3","3","7","1") = "6"
    & skf21("5","1","2","5","3","4","1","1") = "4"
    & skf21("5","1","2","5","3","4","2","1") = "4"
    & skf21("5","1","2","5","3","4","3","1") = "4"
    & skf21("5","1","2","5","3","4","4","1") = "4"
    & skf21("5","1","2","5","3","4","5","1") = "4"
    & skf21("5","1","2","5","3","4","6","1") = "5"
    & skf21("5","1","2","5","3","4","7","1") = "6"
    & skf21("5","1","2","5","3","5","1","1") = "4"
    & skf21("5","1","2","5","3","5","2","1") = "4"
    & skf21("5","1","2","5","3","5","3","1") = "4"
    & skf21("5","1","2","5","3","5","4","1") = "4"
    & skf21("5","1","2","5","3","5","5","1") = "4"
    & skf21("5","1","2","5","3","5","6","1") = "5"
    & skf21("5","1","2","5","3","5","7","1") = "6"
    & skf21("5","1","2","5","3","6","1","1") = "5"
    & skf21("5","1","2","5","3","6","2","1") = "5"
    & skf21("5","1","2","5","3","6","3","1") = "5"
    & skf21("5","1","2","5","3","6","4","1") = "5"
    & skf21("5","1","2","5","3","6","5","1") = "5"
    & skf21("5","1","2","5","3","6","6","1") = "5"
    & skf21("5","1","2","5","3","6","7","1") = "6"
    & skf21("5","1","2","5","3","7","1","1") = "6"
    & skf21("5","1","2","5","3","7","2","1") = "6"
    & skf21("5","1","2","5","3","7","3","1") = "6"
    & skf21("5","1","2","5","3","7","4","1") = "6"
    & skf21("5","1","2","5","3","7","5","1") = "6"
    & skf21("5","1","2","5","3","7","6","1") = "6"
    & skf21("5","1","2","5","3","7","7","1") = "6"
    & skf21("5","1","2","5","4","1","1","1") = "4"
    & skf21("5","1","2","5","4","1","2","1") = "4"
    & skf21("5","1","2","5","4","1","3","1") = "4"
    & skf21("5","1","2","5","4","1","4","1") = "4"
    & skf21("5","1","2","5","4","1","5","1") = "4"
    & skf21("5","1","2","5","4","1","6","1") = "5"
    & skf21("5","1","2","5","4","1","7","1") = "6"
    & skf21("5","1","2","5","4","2","1","1") = "4"
    & skf21("5","1","2","5","4","2","2","1") = "4"
    & skf21("5","1","2","5","4","2","3","1") = "4"
    & skf21("5","1","2","5","4","2","4","1") = "4"
    & skf21("5","1","2","5","4","2","5","1") = "4"
    & skf21("5","1","2","5","4","2","6","1") = "5"
    & skf21("5","1","2","5","4","2","7","1") = "6"
    & skf21("5","1","2","5","4","3","1","1") = "4"
    & skf21("5","1","2","5","4","3","2","1") = "4"
    & skf21("5","1","2","5","4","3","3","1") = "4"
    & skf21("5","1","2","5","4","3","4","1") = "4"
    & skf21("5","1","2","5","4","3","5","1") = "4"
    & skf21("5","1","2","5","4","3","6","1") = "5"
    & skf21("5","1","2","5","4","3","7","1") = "6"
    & skf21("5","1","2","5","4","4","1","1") = "4"
    & skf21("5","1","2","5","4","4","2","1") = "4"
    & skf21("5","1","2","5","4","4","3","1") = "4"
    & skf21("5","1","2","5","4","4","4","1") = "4"
    & skf21("5","1","2","5","4","4","5","1") = "4"
    & skf21("5","1","2","5","4","4","6","1") = "5"
    & skf21("5","1","2","5","4","4","7","1") = "6"
    & skf21("5","1","2","5","4","5","1","1") = "4"
    & skf21("5","1","2","5","4","5","2","1") = "4"
    & skf21("5","1","2","5","4","5","3","1") = "4"
    & skf21("5","1","2","5","4","5","4","1") = "4"
    & skf21("5","1","2","5","4","5","5","1") = "4"
    & skf21("5","1","2","5","4","5","6","1") = "5"
    & skf21("5","1","2","5","4","5","7","1") = "6"
    & skf21("5","1","2","5","4","6","1","1") = "5"
    & skf21("5","1","2","5","4","6","2","1") = "5"
    & skf21("5","1","2","5","4","6","3","1") = "5"
    & skf21("5","1","2","5","4","6","4","1") = "5"
    & skf21("5","1","2","5","4","6","5","1") = "5"
    & skf21("5","1","2","5","4","6","6","1") = "5"
    & skf21("5","1","2","5","4","6","7","1") = "6"
    & skf21("5","1","2","5","4","7","1","1") = "6"
    & skf21("5","1","2","5","4","7","2","1") = "6"
    & skf21("5","1","2","5","4","7","3","1") = "6"
    & skf21("5","1","2","5","4","7","4","1") = "6"
    & skf21("5","1","2","5","4","7","5","1") = "6"
    & skf21("5","1","2","5","4","7","6","1") = "6"
    & skf21("5","1","2","5","4","7","7","1") = "6"
    & skf21("5","1","2","5","5","1","1","1") = "4"
    & skf21("5","1","2","5","5","1","2","1") = "4"
    & skf21("5","1","2","5","5","1","3","1") = "4"
    & skf21("5","1","2","5","5","1","4","1") = "4"
    & skf21("5","1","2","5","5","1","5","1") = "4"
    & skf21("5","1","2","5","5","1","6","1") = "5"
    & skf21("5","1","2","5","5","1","7","1") = "6"
    & skf21("5","1","2","5","5","2","1","1") = "4"
    & skf21("5","1","2","5","5","2","2","1") = "4"
    & skf21("5","1","2","5","5","2","3","1") = "4"
    & skf21("5","1","2","5","5","2","4","1") = "4"
    & skf21("5","1","2","5","5","2","5","1") = "4"
    & skf21("5","1","2","5","5","2","6","1") = "5"
    & skf21("5","1","2","5","5","2","7","1") = "6"
    & skf21("5","1","2","5","5","3","1","1") = "4"
    & skf21("5","1","2","5","5","3","2","1") = "4"
    & skf21("5","1","2","5","5","3","3","1") = "4"
    & skf21("5","1","2","5","5","3","4","1") = "4"
    & skf21("5","1","2","5","5","3","5","1") = "4"
    & skf21("5","1","2","5","5","3","6","1") = "5"
    & skf21("5","1","2","5","5","3","7","1") = "6"
    & skf21("5","1","2","5","5","4","1","1") = "4"
    & skf21("5","1","2","5","5","4","2","1") = "4"
    & skf21("5","1","2","5","5","4","3","1") = "4"
    & skf21("5","1","2","5","5","4","4","1") = "4"
    & skf21("5","1","2","5","5","4","5","1") = "4"
    & skf21("5","1","2","5","5","4","6","1") = "5"
    & skf21("5","1","2","5","5","4","7","1") = "6"
    & skf21("5","1","2","5","5","5","1","1") = "4"
    & skf21("5","1","2","5","5","5","2","1") = "4"
    & skf21("5","1","2","5","5","5","3","1") = "4"
    & skf21("5","1","2","5","5","5","4","1") = "4"
    & skf21("5","1","2","5","5","5","5","1") = "4"
    & skf21("5","1","2","5","5","5","6","1") = "5"
    & skf21("5","1","2","5","5","5","7","1") = "6"
    & skf21("5","1","2","5","5","6","1","1") = "5"
    & skf21("5","1","2","5","5","6","2","1") = "5"
    & skf21("5","1","2","5","5","6","3","1") = "5"
    & skf21("5","1","2","5","5","6","4","1") = "5"
    & skf21("5","1","2","5","5","6","5","1") = "5"
    & skf21("5","1","2","5","5","6","6","1") = "5"
    & skf21("5","1","2","5","5","6","7","1") = "6"
    & skf21("5","1","2","5","5","7","1","1") = "6"
    & skf21("5","1","2","5","5","7","2","1") = "6"
    & skf21("5","1","2","5","5","7","3","1") = "6"
    & skf21("5","1","2","5","5","7","4","1") = "6"
    & skf21("5","1","2","5","5","7","5","1") = "6"
    & skf21("5","1","2","5","5","7","6","1") = "6"
    & skf21("5","1","2","5","5","7","7","1") = "6"
    & skf21("5","1","2","5","6","1","1","1") = "5"
    & skf21("5","1","2","5","6","1","2","1") = "5"
    & skf21("5","1","2","5","6","1","3","1") = "5"
    & skf21("5","1","2","5","6","1","4","1") = "5"
    & skf21("5","1","2","5","6","1","5","1") = "5"
    & skf21("5","1","2","5","6","1","6","1") = "5"
    & skf21("5","1","2","5","6","1","7","1") = "6"
    & skf21("5","1","2","5","6","2","1","1") = "5"
    & skf21("5","1","2","5","6","2","2","1") = "5"
    & skf21("5","1","2","5","6","2","3","1") = "5"
    & skf21("5","1","2","5","6","2","4","1") = "5"
    & skf21("5","1","2","5","6","2","5","1") = "5"
    & skf21("5","1","2","5","6","2","6","1") = "5"
    & skf21("5","1","2","5","6","2","7","1") = "6"
    & skf21("5","1","2","5","6","3","1","1") = "5"
    & skf21("5","1","2","5","6","3","2","1") = "5"
    & skf21("5","1","2","5","6","3","3","1") = "5"
    & skf21("5","1","2","5","6","3","4","1") = "5"
    & skf21("5","1","2","5","6","3","5","1") = "5"
    & skf21("5","1","2","5","6","3","6","1") = "5"
    & skf21("5","1","2","5","6","3","7","1") = "6"
    & skf21("5","1","2","5","6","4","1","1") = "5"
    & skf21("5","1","2","5","6","4","2","1") = "5"
    & skf21("5","1","2","5","6","4","3","1") = "5"
    & skf21("5","1","2","5","6","4","4","1") = "5"
    & skf21("5","1","2","5","6","4","5","1") = "5"
    & skf21("5","1","2","5","6","4","6","1") = "5"
    & skf21("5","1","2","5","6","4","7","1") = "6"
    & skf21("5","1","2","5","6","5","1","1") = "5"
    & skf21("5","1","2","5","6","5","2","1") = "5"
    & skf21("5","1","2","5","6","5","3","1") = "5"
    & skf21("5","1","2","5","6","5","4","1") = "5"
    & skf21("5","1","2","5","6","5","5","1") = "5"
    & skf21("5","1","2","5","6","5","6","1") = "5"
    & skf21("5","1","2","5","6","5","7","1") = "6"
    & skf21("5","1","2","5","6","6","1","1") = "5"
    & skf21("5","1","2","5","6","6","2","1") = "5"
    & skf21("5","1","2","5","6","6","3","1") = "5"
    & skf21("5","1","2","5","6","6","4","1") = "5"
    & skf21("5","1","2","5","6","6","5","1") = "5"
    & skf21("5","1","2","5","6","6","6","1") = "5"
    & skf21("5","1","2","5","6","6","7","1") = "6"
    & skf21("5","1","2","5","6","7","1","1") = "6"
    & skf21("5","1","2","5","6","7","2","1") = "6"
    & skf21("5","1","2","5","6","7","3","1") = "6"
    & skf21("5","1","2","5","6","7","4","1") = "6"
    & skf21("5","1","2","5","6","7","5","1") = "6"
    & skf21("5","1","2","5","6","7","6","1") = "6"
    & skf21("5","1","2","5","6","7","7","1") = "6"
    & skf21("5","1","2","5","7","1","1","1") = "6"
    & skf21("5","1","2","5","7","1","2","1") = "6"
    & skf21("5","1","2","5","7","1","3","1") = "6"
    & skf21("5","1","2","5","7","1","4","1") = "6"
    & skf21("5","1","2","5","7","1","5","1") = "6"
    & skf21("5","1","2","5","7","1","6","1") = "6"
    & skf21("5","1","2","5","7","1","7","1") = "6"
    & skf21("5","1","2","5","7","2","1","1") = "6"
    & skf21("5","1","2","5","7","2","2","1") = "6"
    & skf21("5","1","2","5","7","2","3","1") = "6"
    & skf21("5","1","2","5","7","2","4","1") = "6"
    & skf21("5","1","2","5","7","2","5","1") = "6"
    & skf21("5","1","2","5","7","2","6","1") = "6"
    & skf21("5","1","2","5","7","2","7","1") = "6"
    & skf21("5","1","2","5","7","3","1","1") = "6"
    & skf21("5","1","2","5","7","3","2","1") = "6"
    & skf21("5","1","2","5","7","3","3","1") = "6"
    & skf21("5","1","2","5","7","3","4","1") = "6"
    & skf21("5","1","2","5","7","3","5","1") = "6"
    & skf21("5","1","2","5","7","3","6","1") = "6"
    & skf21("5","1","2","5","7","3","7","1") = "6"
    & skf21("5","1","2","5","7","4","1","1") = "6"
    & skf21("5","1","2","5","7","4","2","1") = "6"
    & skf21("5","1","2","5","7","4","3","1") = "6"
    & skf21("5","1","2","5","7","4","4","1") = "6"
    & skf21("5","1","2","5","7","4","5","1") = "6"
    & skf21("5","1","2","5","7","4","6","1") = "6"
    & skf21("5","1","2","5","7","4","7","1") = "6"
    & skf21("5","1","2","5","7","5","1","1") = "6"
    & skf21("5","1","2","5","7","5","2","1") = "6"
    & skf21("5","1","2","5","7","5","3","1") = "6"
    & skf21("5","1","2","5","7","5","4","1") = "6"
    & skf21("5","1","2","5","7","5","5","1") = "6"
    & skf21("5","1","2","5","7","5","6","1") = "6"
    & skf21("5","1","2","5","7","5","7","1") = "6"
    & skf21("5","1","2","5","7","6","1","1") = "6"
    & skf21("5","1","2","5","7","6","2","1") = "6"
    & skf21("5","1","2","5","7","6","3","1") = "6"
    & skf21("5","1","2","5","7","6","4","1") = "6"
    & skf21("5","1","2","5","7","6","5","1") = "6"
    & skf21("5","1","2","5","7","6","6","1") = "6"
    & skf21("5","1","2","5","7","6","7","1") = "6"
    & skf21("5","1","2","5","7","7","1","1") = "6"
    & skf21("5","1","2","5","7","7","2","1") = "6"
    & skf21("5","1","2","5","7","7","3","1") = "6"
    & skf21("5","1","2","5","7","7","4","1") = "6"
    & skf21("5","1","2","5","7","7","5","1") = "6"
    & skf21("5","1","2","5","7","7","6","1") = "6"
    & skf21("5","1","2","5","7","7","7","1") = "6"
    & skf21("5","1","2","6","1","1","1","1") = "5"
    & skf21("5","1","2","6","1","1","2","1") = "5"
    & skf21("5","1","2","6","1","1","3","1") = "5"
    & skf21("5","1","2","6","1","1","4","1") = "5"
    & skf21("5","1","2","6","1","1","5","1") = "5"
    & skf21("5","1","2","6","1","1","6","1") = "5"
    & skf21("5","1","2","6","1","1","7","1") = "6"
    & skf21("5","1","2","6","1","2","1","1") = "5"
    & skf21("5","1","2","6","1","2","2","1") = "5"
    & skf21("5","1","2","6","1","2","3","1") = "5"
    & skf21("5","1","2","6","1","2","4","1") = "5"
    & skf21("5","1","2","6","1","2","5","1") = "5"
    & skf21("5","1","2","6","1","2","6","1") = "5"
    & skf21("5","1","2","6","1","2","7","1") = "6"
    & skf21("5","1","2","6","1","3","1","1") = "5"
    & skf21("5","1","2","6","1","3","2","1") = "5"
    & skf21("5","1","2","6","1","3","3","1") = "5"
    & skf21("5","1","2","6","1","3","4","1") = "5"
    & skf21("5","1","2","6","1","3","5","1") = "5"
    & skf21("5","1","2","6","1","3","6","1") = "5"
    & skf21("5","1","2","6","1","3","7","1") = "6"
    & skf21("5","1","2","6","1","4","1","1") = "5"
    & skf21("5","1","2","6","1","4","2","1") = "5"
    & skf21("5","1","2","6","1","4","3","1") = "5"
    & skf21("5","1","2","6","1","4","4","1") = "5"
    & skf21("5","1","2","6","1","4","5","1") = "5"
    & skf21("5","1","2","6","1","4","6","1") = "5"
    & skf21("5","1","2","6","1","4","7","1") = "6"
    & skf21("5","1","2","6","1","5","1","1") = "5"
    & skf21("5","1","2","6","1","5","2","1") = "5"
    & skf21("5","1","2","6","1","5","3","1") = "5"
    & skf21("5","1","2","6","1","5","4","1") = "5"
    & skf21("5","1","2","6","1","5","5","1") = "5"
    & skf21("5","1","2","6","1","5","6","1") = "5"
    & skf21("5","1","2","6","1","5","7","1") = "6"
    & skf21("5","1","2","6","1","6","1","1") = "5"
    & skf21("5","1","2","6","1","6","2","1") = "5"
    & skf21("5","1","2","6","1","6","3","1") = "5"
    & skf21("5","1","2","6","1","6","4","1") = "5"
    & skf21("5","1","2","6","1","6","5","1") = "5"
    & skf21("5","1","2","6","1","6","6","1") = "5"
    & skf21("5","1","2","6","1","6","7","1") = "6"
    & skf21("5","1","2","6","1","7","1","1") = "6"
    & skf21("5","1","2","6","1","7","2","1") = "6"
    & skf21("5","1","2","6","1","7","3","1") = "6"
    & skf21("5","1","2","6","1","7","4","1") = "6"
    & skf21("5","1","2","6","1","7","5","1") = "6"
    & skf21("5","1","2","6","1","7","6","1") = "6"
    & skf21("5","1","2","6","1","7","7","1") = "6"
    & skf21("5","1","2","6","2","1","1","1") = "5"
    & skf21("5","1","2","6","2","1","2","1") = "5"
    & skf21("5","1","2","6","2","1","3","1") = "5"
    & skf21("5","1","2","6","2","1","4","1") = "5"
    & skf21("5","1","2","6","2","1","5","1") = "5"
    & skf21("5","1","2","6","2","1","6","1") = "5"
    & skf21("5","1","2","6","2","1","7","1") = "6"
    & skf21("5","1","2","6","2","2","1","1") = "5"
    & skf21("5","1","2","6","2","2","2","1") = "5"
    & skf21("5","1","2","6","2","2","3","1") = "5"
    & skf21("5","1","2","6","2","2","4","1") = "5"
    & skf21("5","1","2","6","2","2","5","1") = "5"
    & skf21("5","1","2","6","2","2","6","1") = "5"
    & skf21("5","1","2","6","2","2","7","1") = "6"
    & skf21("5","1","2","6","2","3","1","1") = "5"
    & skf21("5","1","2","6","2","3","2","1") = "5"
    & skf21("5","1","2","6","2","3","3","1") = "5"
    & skf21("5","1","2","6","2","3","4","1") = "5"
    & skf21("5","1","2","6","2","3","5","1") = "5"
    & skf21("5","1","2","6","2","3","6","1") = "5"
    & skf21("5","1","2","6","2","3","7","1") = "6"
    & skf21("5","1","2","6","2","4","1","1") = "5"
    & skf21("5","1","2","6","2","4","2","1") = "5"
    & skf21("5","1","2","6","2","4","3","1") = "5"
    & skf21("5","1","2","6","2","4","4","1") = "5"
    & skf21("5","1","2","6","2","4","5","1") = "5"
    & skf21("5","1","2","6","2","4","6","1") = "5"
    & skf21("5","1","2","6","2","4","7","1") = "6"
    & skf21("5","1","2","6","2","5","1","1") = "5"
    & skf21("5","1","2","6","2","5","2","1") = "5"
    & skf21("5","1","2","6","2","5","3","1") = "5"
    & skf21("5","1","2","6","2","5","4","1") = "5"
    & skf21("5","1","2","6","2","5","5","1") = "5"
    & skf21("5","1","2","6","2","5","6","1") = "5"
    & skf21("5","1","2","6","2","5","7","1") = "6"
    & skf21("5","1","2","6","2","6","1","1") = "5"
    & skf21("5","1","2","6","2","6","2","1") = "5"
    & skf21("5","1","2","6","2","6","3","1") = "5"
    & skf21("5","1","2","6","2","6","4","1") = "5"
    & skf21("5","1","2","6","2","6","5","1") = "5"
    & skf21("5","1","2","6","2","6","6","1") = "5"
    & skf21("5","1","2","6","2","6","7","1") = "6"
    & skf21("5","1","2","6","2","7","1","1") = "6"
    & skf21("5","1","2","6","2","7","2","1") = "6"
    & skf21("5","1","2","6","2","7","3","1") = "6"
    & skf21("5","1","2","6","2","7","4","1") = "6"
    & skf21("5","1","2","6","2","7","5","1") = "6"
    & skf21("5","1","2","6","2","7","6","1") = "6"
    & skf21("5","1","2","6","2","7","7","1") = "6"
    & skf21("5","1","2","6","3","1","1","1") = "5"
    & skf21("5","1","2","6","3","1","2","1") = "5"
    & skf21("5","1","2","6","3","1","3","1") = "5"
    & skf21("5","1","2","6","3","1","4","1") = "5"
    & skf21("5","1","2","6","3","1","5","1") = "5"
    & skf21("5","1","2","6","3","1","6","1") = "5"
    & skf21("5","1","2","6","3","1","7","1") = "6"
    & skf21("5","1","2","6","3","2","1","1") = "5"
    & skf21("5","1","2","6","3","2","2","1") = "5"
    & skf21("5","1","2","6","3","2","3","1") = "5"
    & skf21("5","1","2","6","3","2","4","1") = "5"
    & skf21("5","1","2","6","3","2","5","1") = "5"
    & skf21("5","1","2","6","3","2","6","1") = "5"
    & skf21("5","1","2","6","3","2","7","1") = "6"
    & skf21("5","1","2","6","3","3","1","1") = "5"
    & skf21("5","1","2","6","3","3","2","1") = "5"
    & skf21("5","1","2","6","3","3","3","1") = "5"
    & skf21("5","1","2","6","3","3","4","1") = "5"
    & skf21("5","1","2","6","3","3","5","1") = "5"
    & skf21("5","1","2","6","3","3","6","1") = "5"
    & skf21("5","1","2","6","3","3","7","1") = "6"
    & skf21("5","1","2","6","3","4","1","1") = "5"
    & skf21("5","1","2","6","3","4","2","1") = "5"
    & skf21("5","1","2","6","3","4","3","1") = "5"
    & skf21("5","1","2","6","3","4","4","1") = "5"
    & skf21("5","1","2","6","3","4","5","1") = "5"
    & skf21("5","1","2","6","3","4","6","1") = "5"
    & skf21("5","1","2","6","3","4","7","1") = "6"
    & skf21("5","1","2","6","3","5","1","1") = "5"
    & skf21("5","1","2","6","3","5","2","1") = "5"
    & skf21("5","1","2","6","3","5","3","1") = "5"
    & skf21("5","1","2","6","3","5","4","1") = "5"
    & skf21("5","1","2","6","3","5","5","1") = "5"
    & skf21("5","1","2","6","3","5","6","1") = "5"
    & skf21("5","1","2","6","3","5","7","1") = "6"
    & skf21("5","1","2","6","3","6","1","1") = "5"
    & skf21("5","1","2","6","3","6","2","1") = "5"
    & skf21("5","1","2","6","3","6","3","1") = "5"
    & skf21("5","1","2","6","3","6","4","1") = "5"
    & skf21("5","1","2","6","3","6","5","1") = "5"
    & skf21("5","1","2","6","3","6","6","1") = "5"
    & skf21("5","1","2","6","3","6","7","1") = "6"
    & skf21("5","1","2","6","3","7","1","1") = "6"
    & skf21("5","1","2","6","3","7","2","1") = "6"
    & skf21("5","1","2","6","3","7","3","1") = "6"
    & skf21("5","1","2","6","3","7","4","1") = "6"
    & skf21("5","1","2","6","3","7","5","1") = "6"
    & skf21("5","1","2","6","3","7","6","1") = "6"
    & skf21("5","1","2","6","3","7","7","1") = "6"
    & skf21("5","1","2","6","4","1","1","1") = "5"
    & skf21("5","1","2","6","4","1","2","1") = "5"
    & skf21("5","1","2","6","4","1","3","1") = "5"
    & skf21("5","1","2","6","4","1","4","1") = "5"
    & skf21("5","1","2","6","4","1","5","1") = "5"
    & skf21("5","1","2","6","4","1","6","1") = "5"
    & skf21("5","1","2","6","4","1","7","1") = "6"
    & skf21("5","1","2","6","4","2","1","1") = "5"
    & skf21("5","1","2","6","4","2","2","1") = "5"
    & skf21("5","1","2","6","4","2","3","1") = "5"
    & skf21("5","1","2","6","4","2","4","1") = "5"
    & skf21("5","1","2","6","4","2","5","1") = "5"
    & skf21("5","1","2","6","4","2","6","1") = "5"
    & skf21("5","1","2","6","4","2","7","1") = "6"
    & skf21("5","1","2","6","4","3","1","1") = "5"
    & skf21("5","1","2","6","4","3","2","1") = "5"
    & skf21("5","1","2","6","4","3","3","1") = "5"
    & skf21("5","1","2","6","4","3","4","1") = "5"
    & skf21("5","1","2","6","4","3","5","1") = "5"
    & skf21("5","1","2","6","4","3","6","1") = "5"
    & skf21("5","1","2","6","4","3","7","1") = "6"
    & skf21("5","1","2","6","4","4","1","1") = "5"
    & skf21("5","1","2","6","4","4","2","1") = "5"
    & skf21("5","1","2","6","4","4","3","1") = "5"
    & skf21("5","1","2","6","4","4","4","1") = "5"
    & skf21("5","1","2","6","4","4","5","1") = "5"
    & skf21("5","1","2","6","4","4","6","1") = "5"
    & skf21("5","1","2","6","4","4","7","1") = "6"
    & skf21("5","1","2","6","4","5","1","1") = "5"
    & skf21("5","1","2","6","4","5","2","1") = "5"
    & skf21("5","1","2","6","4","5","3","1") = "5"
    & skf21("5","1","2","6","4","5","4","1") = "5"
    & skf21("5","1","2","6","4","5","5","1") = "5"
    & skf21("5","1","2","6","4","5","6","1") = "5"
    & skf21("5","1","2","6","4","5","7","1") = "6"
    & skf21("5","1","2","6","4","6","1","1") = "5"
    & skf21("5","1","2","6","4","6","2","1") = "5"
    & skf21("5","1","2","6","4","6","3","1") = "5"
    & skf21("5","1","2","6","4","6","4","1") = "5"
    & skf21("5","1","2","6","4","6","5","1") = "5"
    & skf21("5","1","2","6","4","6","6","1") = "5"
    & skf21("5","1","2","6","4","6","7","1") = "6"
    & skf21("5","1","2","6","4","7","1","1") = "6"
    & skf21("5","1","2","6","4","7","2","1") = "6"
    & skf21("5","1","2","6","4","7","3","1") = "6"
    & skf21("5","1","2","6","4","7","4","1") = "6"
    & skf21("5","1","2","6","4","7","5","1") = "6"
    & skf21("5","1","2","6","4","7","6","1") = "6"
    & skf21("5","1","2","6","4","7","7","1") = "6"
    & skf21("5","1","2","6","5","1","1","1") = "5"
    & skf21("5","1","2","6","5","1","2","1") = "5"
    & skf21("5","1","2","6","5","1","3","1") = "5"
    & skf21("5","1","2","6","5","1","4","1") = "5"
    & skf21("5","1","2","6","5","1","5","1") = "5"
    & skf21("5","1","2","6","5","1","6","1") = "5"
    & skf21("5","1","2","6","5","1","7","1") = "6"
    & skf21("5","1","2","6","5","2","1","1") = "5"
    & skf21("5","1","2","6","5","2","2","1") = "5"
    & skf21("5","1","2","6","5","2","3","1") = "5"
    & skf21("5","1","2","6","5","2","4","1") = "5"
    & skf21("5","1","2","6","5","2","5","1") = "5"
    & skf21("5","1","2","6","5","2","6","1") = "5"
    & skf21("5","1","2","6","5","2","7","1") = "6"
    & skf21("5","1","2","6","5","3","1","1") = "5"
    & skf21("5","1","2","6","5","3","2","1") = "5"
    & skf21("5","1","2","6","5","3","3","1") = "5"
    & skf21("5","1","2","6","5","3","4","1") = "5"
    & skf21("5","1","2","6","5","3","5","1") = "5"
    & skf21("5","1","2","6","5","3","6","1") = "5"
    & skf21("5","1","2","6","5","3","7","1") = "6"
    & skf21("5","1","2","6","5","4","1","1") = "5"
    & skf21("5","1","2","6","5","4","2","1") = "5"
    & skf21("5","1","2","6","5","4","3","1") = "5"
    & skf21("5","1","2","6","5","4","4","1") = "5"
    & skf21("5","1","2","6","5","4","5","1") = "5"
    & skf21("5","1","2","6","5","4","6","1") = "5"
    & skf21("5","1","2","6","5","4","7","1") = "6"
    & skf21("5","1","2","6","5","5","1","1") = "5"
    & skf21("5","1","2","6","5","5","2","1") = "5"
    & skf21("5","1","2","6","5","5","3","1") = "5"
    & skf21("5","1","2","6","5","5","4","1") = "5"
    & skf21("5","1","2","6","5","5","5","1") = "5"
    & skf21("5","1","2","6","5","5","6","1") = "5"
    & skf21("5","1","2","6","5","5","7","1") = "6"
    & skf21("5","1","2","6","5","6","1","1") = "5"
    & skf21("5","1","2","6","5","6","2","1") = "5"
    & skf21("5","1","2","6","5","6","3","1") = "5"
    & skf21("5","1","2","6","5","6","4","1") = "5"
    & skf21("5","1","2","6","5","6","5","1") = "5"
    & skf21("5","1","2","6","5","6","6","1") = "5"
    & skf21("5","1","2","6","5","6","7","1") = "6"
    & skf21("5","1","2","6","5","7","1","1") = "6"
    & skf21("5","1","2","6","5","7","2","1") = "6"
    & skf21("5","1","2","6","5","7","3","1") = "6"
    & skf21("5","1","2","6","5","7","4","1") = "6"
    & skf21("5","1","2","6","5","7","5","1") = "6"
    & skf21("5","1","2","6","5","7","6","1") = "6"
    & skf21("5","1","2","6","5","7","7","1") = "6"
    & skf21("5","1","2","6","6","1","1","1") = "5"
    & skf21("5","1","2","6","6","1","2","1") = "5"
    & skf21("5","1","2","6","6","1","3","1") = "5"
    & skf21("5","1","2","6","6","1","4","1") = "5"
    & skf21("5","1","2","6","6","1","5","1") = "5"
    & skf21("5","1","2","6","6","1","6","1") = "5"
    & skf21("5","1","2","6","6","1","7","1") = "6"
    & skf21("5","1","2","6","6","2","1","1") = "5"
    & skf21("5","1","2","6","6","2","2","1") = "5"
    & skf21("5","1","2","6","6","2","3","1") = "5"
    & skf21("5","1","2","6","6","2","4","1") = "5"
    & skf21("5","1","2","6","6","2","5","1") = "5"
    & skf21("5","1","2","6","6","2","6","1") = "5"
    & skf21("5","1","2","6","6","2","7","1") = "6"
    & skf21("5","1","2","6","6","3","1","1") = "5"
    & skf21("5","1","2","6","6","3","2","1") = "5"
    & skf21("5","1","2","6","6","3","3","1") = "5"
    & skf21("5","1","2","6","6","3","4","1") = "5"
    & skf21("5","1","2","6","6","3","5","1") = "5"
    & skf21("5","1","2","6","6","3","6","1") = "5"
    & skf21("5","1","2","6","6","3","7","1") = "6"
    & skf21("5","1","2","6","6","4","1","1") = "5"
    & skf21("5","1","2","6","6","4","2","1") = "5"
    & skf21("5","1","2","6","6","4","3","1") = "5"
    & skf21("5","1","2","6","6","4","4","1") = "5"
    & skf21("5","1","2","6","6","4","5","1") = "5"
    & skf21("5","1","2","6","6","4","6","1") = "5"
    & skf21("5","1","2","6","6","4","7","1") = "6"
    & skf21("5","1","2","6","6","5","1","1") = "5"
    & skf21("5","1","2","6","6","5","2","1") = "5"
    & skf21("5","1","2","6","6","5","3","1") = "5"
    & skf21("5","1","2","6","6","5","4","1") = "5"
    & skf21("5","1","2","6","6","5","5","1") = "5"
    & skf21("5","1","2","6","6","5","6","1") = "5"
    & skf21("5","1","2","6","6","5","7","1") = "6"
    & skf21("5","1","2","6","6","6","1","1") = "5"
    & skf21("5","1","2","6","6","6","2","1") = "5"
    & skf21("5","1","2","6","6","6","3","1") = "5"
    & skf21("5","1","2","6","6","6","4","1") = "5"
    & skf21("5","1","2","6","6","6","5","1") = "5"
    & skf21("5","1","2","6","6","6","6","1") = "5"
    & skf21("5","1","2","6","6","6","7","1") = "6"
    & skf21("5","1","2","6","6","7","1","1") = "6"
    & skf21("5","1","2","6","6","7","2","1") = "6"
    & skf21("5","1","2","6","6","7","3","1") = "6"
    & skf21("5","1","2","6","6","7","4","1") = "6"
    & skf21("5","1","2","6","6","7","5","1") = "6"
    & skf21("5","1","2","6","6","7","6","1") = "6"
    & skf21("5","1","2","6","6","7","7","1") = "6"
    & skf21("5","1","2","6","7","1","1","1") = "6"
    & skf21("5","1","2","6","7","1","2","1") = "6"
    & skf21("5","1","2","6","7","1","3","1") = "6"
    & skf21("5","1","2","6","7","1","4","1") = "6"
    & skf21("5","1","2","6","7","1","5","1") = "6"
    & skf21("5","1","2","6","7","1","6","1") = "6"
    & skf21("5","1","2","6","7","1","7","1") = "6"
    & skf21("5","1","2","6","7","2","1","1") = "6"
    & skf21("5","1","2","6","7","2","2","1") = "6"
    & skf21("5","1","2","6","7","2","3","1") = "6"
    & skf21("5","1","2","6","7","2","4","1") = "6"
    & skf21("5","1","2","6","7","2","5","1") = "6"
    & skf21("5","1","2","6","7","2","6","1") = "6"
    & skf21("5","1","2","6","7","2","7","1") = "6"
    & skf21("5","1","2","6","7","3","1","1") = "6"
    & skf21("5","1","2","6","7","3","2","1") = "6"
    & skf21("5","1","2","6","7","3","3","1") = "6"
    & skf21("5","1","2","6","7","3","4","1") = "6"
    & skf21("5","1","2","6","7","3","5","1") = "6"
    & skf21("5","1","2","6","7","3","6","1") = "6"
    & skf21("5","1","2","6","7","3","7","1") = "6"
    & skf21("5","1","2","6","7","4","1","1") = "6"
    & skf21("5","1","2","6","7","4","2","1") = "6"
    & skf21("5","1","2","6","7","4","3","1") = "6"
    & skf21("5","1","2","6","7","4","4","1") = "6"
    & skf21("5","1","2","6","7","4","5","1") = "6"
    & skf21("5","1","2","6","7","4","6","1") = "6"
    & skf21("5","1","2","6","7","4","7","1") = "6"
    & skf21("5","1","2","6","7","5","1","1") = "6"
    & skf21("5","1","2","6","7","5","2","1") = "6"
    & skf21("5","1","2","6","7","5","3","1") = "6"
    & skf21("5","1","2","6","7","5","4","1") = "6"
    & skf21("5","1","2","6","7","5","5","1") = "6"
    & skf21("5","1","2","6","7","5","6","1") = "6"
    & skf21("5","1","2","6","7","5","7","1") = "6"
    & skf21("5","1","2","6","7","6","1","1") = "6"
    & skf21("5","1","2","6","7","6","2","1") = "6"
    & skf21("5","1","2","6","7","6","3","1") = "6"
    & skf21("5","1","2","6","7","6","4","1") = "6"
    & skf21("5","1","2","6","7","6","5","1") = "6"
    & skf21("5","1","2","6","7","6","6","1") = "6"
    & skf21("5","1","2","6","7","6","7","1") = "6"
    & skf21("5","1","2","6","7","7","1","1") = "6"
    & skf21("5","1","2","6","7","7","2","1") = "6"
    & skf21("5","1","2","6","7","7","3","1") = "6"
    & skf21("5","1","2","6","7","7","4","1") = "6"
    & skf21("5","1","2","6","7","7","5","1") = "6"
    & skf21("5","1","2","6","7","7","6","1") = "6"
    & skf21("5","1","2","6","7","7","7","1") = "6"
    & skf21("5","1","2","7","1","1","1","1") = "6"
    & skf21("5","1","2","7","1","1","2","1") = "6"
    & skf21("5","1","2","7","1","1","3","1") = "6"
    & skf21("5","1","2","7","1","1","4","1") = "6"
    & skf21("5","1","2","7","1","1","5","1") = "6"
    & skf21("5","1","2","7","1","1","6","1") = "6"
    & skf21("5","1","2","7","1","1","7","1") = "6"
    & skf21("5","1","2","7","1","2","1","1") = "6"
    & skf21("5","1","2","7","1","2","2","1") = "6"
    & skf21("5","1","2","7","1","2","3","1") = "6"
    & skf21("5","1","2","7","1","2","4","1") = "6"
    & skf21("5","1","2","7","1","2","5","1") = "6"
    & skf21("5","1","2","7","1","2","6","1") = "6"
    & skf21("5","1","2","7","1","2","7","1") = "6"
    & skf21("5","1","2","7","1","3","1","1") = "6"
    & skf21("5","1","2","7","1","3","2","1") = "6"
    & skf21("5","1","2","7","1","3","3","1") = "6"
    & skf21("5","1","2","7","1","3","4","1") = "6"
    & skf21("5","1","2","7","1","3","5","1") = "6"
    & skf21("5","1","2","7","1","3","6","1") = "6"
    & skf21("5","1","2","7","1","3","7","1") = "6"
    & skf21("5","1","2","7","1","4","1","1") = "6"
    & skf21("5","1","2","7","1","4","2","1") = "6"
    & skf21("5","1","2","7","1","4","3","1") = "6"
    & skf21("5","1","2","7","1","4","4","1") = "6"
    & skf21("5","1","2","7","1","4","5","1") = "6"
    & skf21("5","1","2","7","1","4","6","1") = "6"
    & skf21("5","1","2","7","1","4","7","1") = "6"
    & skf21("5","1","2","7","1","5","1","1") = "6"
    & skf21("5","1","2","7","1","5","2","1") = "6"
    & skf21("5","1","2","7","1","5","3","1") = "6"
    & skf21("5","1","2","7","1","5","4","1") = "6"
    & skf21("5","1","2","7","1","5","5","1") = "6"
    & skf21("5","1","2","7","1","5","6","1") = "6"
    & skf21("5","1","2","7","1","5","7","1") = "6"
    & skf21("5","1","2","7","1","6","1","1") = "6"
    & skf21("5","1","2","7","1","6","2","1") = "6"
    & skf21("5","1","2","7","1","6","3","1") = "6"
    & skf21("5","1","2","7","1","6","4","1") = "6"
    & skf21("5","1","2","7","1","6","5","1") = "6"
    & skf21("5","1","2","7","1","6","6","1") = "6"
    & skf21("5","1","2","7","1","6","7","1") = "6"
    & skf21("5","1","2","7","1","7","1","1") = "6"
    & skf21("5","1","2","7","1","7","2","1") = "6"
    & skf21("5","1","2","7","1","7","3","1") = "6"
    & skf21("5","1","2","7","1","7","4","1") = "6"
    & skf21("5","1","2","7","1","7","5","1") = "6"
    & skf21("5","1","2","7","1","7","6","1") = "6"
    & skf21("5","1","2","7","1","7","7","1") = "6"
    & skf21("5","1","2","7","2","1","1","1") = "6"
    & skf21("5","1","2","7","2","1","2","1") = "6"
    & skf21("5","1","2","7","2","1","3","1") = "6"
    & skf21("5","1","2","7","2","1","4","1") = "6"
    & skf21("5","1","2","7","2","1","5","1") = "6"
    & skf21("5","1","2","7","2","1","6","1") = "6"
    & skf21("5","1","2","7","2","1","7","1") = "6"
    & skf21("5","1","2","7","2","2","1","1") = "6"
    & skf21("5","1","2","7","2","2","2","1") = "6"
    & skf21("5","1","2","7","2","2","3","1") = "6"
    & skf21("5","1","2","7","2","2","4","1") = "6"
    & skf21("5","1","2","7","2","2","5","1") = "6"
    & skf21("5","1","2","7","2","2","6","1") = "6"
    & skf21("5","1","2","7","2","2","7","1") = "6"
    & skf21("5","1","2","7","2","3","1","1") = "6"
    & skf21("5","1","2","7","2","3","2","1") = "6"
    & skf21("5","1","2","7","2","3","3","1") = "6"
    & skf21("5","1","2","7","2","3","4","1") = "6"
    & skf21("5","1","2","7","2","3","5","1") = "6"
    & skf21("5","1","2","7","2","3","6","1") = "6"
    & skf21("5","1","2","7","2","3","7","1") = "6"
    & skf21("5","1","2","7","2","4","1","1") = "6"
    & skf21("5","1","2","7","2","4","2","1") = "6"
    & skf21("5","1","2","7","2","4","3","1") = "6"
    & skf21("5","1","2","7","2","4","4","1") = "6"
    & skf21("5","1","2","7","2","4","5","1") = "6"
    & skf21("5","1","2","7","2","4","6","1") = "6"
    & skf21("5","1","2","7","2","4","7","1") = "6"
    & skf21("5","1","2","7","2","5","1","1") = "6"
    & skf21("5","1","2","7","2","5","2","1") = "6"
    & skf21("5","1","2","7","2","5","3","1") = "6"
    & skf21("5","1","2","7","2","5","4","1") = "6"
    & skf21("5","1","2","7","2","5","5","1") = "6"
    & skf21("5","1","2","7","2","5","6","1") = "6"
    & skf21("5","1","2","7","2","5","7","1") = "6"
    & skf21("5","1","2","7","2","6","1","1") = "6"
    & skf21("5","1","2","7","2","6","2","1") = "6"
    & skf21("5","1","2","7","2","6","3","1") = "6"
    & skf21("5","1","2","7","2","6","4","1") = "6"
    & skf21("5","1","2","7","2","6","5","1") = "6"
    & skf21("5","1","2","7","2","6","6","1") = "6"
    & skf21("5","1","2","7","2","6","7","1") = "6"
    & skf21("5","1","2","7","2","7","1","1") = "6"
    & skf21("5","1","2","7","2","7","2","1") = "6"
    & skf21("5","1","2","7","2","7","3","1") = "6"
    & skf21("5","1","2","7","2","7","4","1") = "6"
    & skf21("5","1","2","7","2","7","5","1") = "6"
    & skf21("5","1","2","7","2","7","6","1") = "6"
    & skf21("5","1","2","7","2","7","7","1") = "6"
    & skf21("5","1","2","7","3","1","1","1") = "6"
    & skf21("5","1","2","7","3","1","2","1") = "6"
    & skf21("5","1","2","7","3","1","3","1") = "6"
    & skf21("5","1","2","7","3","1","4","1") = "6"
    & skf21("5","1","2","7","3","1","5","1") = "6"
    & skf21("5","1","2","7","3","1","6","1") = "6"
    & skf21("5","1","2","7","3","1","7","1") = "6"
    & skf21("5","1","2","7","3","2","1","1") = "6"
    & skf21("5","1","2","7","3","2","2","1") = "6"
    & skf21("5","1","2","7","3","2","3","1") = "6"
    & skf21("5","1","2","7","3","2","4","1") = "6"
    & skf21("5","1","2","7","3","2","5","1") = "6"
    & skf21("5","1","2","7","3","2","6","1") = "6"
    & skf21("5","1","2","7","3","2","7","1") = "6"
    & skf21("5","1","2","7","3","3","1","1") = "6"
    & skf21("5","1","2","7","3","3","2","1") = "6"
    & skf21("5","1","2","7","3","3","3","1") = "6"
    & skf21("5","1","2","7","3","3","4","1") = "6"
    & skf21("5","1","2","7","3","3","5","1") = "6"
    & skf21("5","1","2","7","3","3","6","1") = "6"
    & skf21("5","1","2","7","3","3","7","1") = "6"
    & skf21("5","1","2","7","3","4","1","1") = "6"
    & skf21("5","1","2","7","3","4","2","1") = "6"
    & skf21("5","1","2","7","3","4","3","1") = "6"
    & skf21("5","1","2","7","3","4","4","1") = "6"
    & skf21("5","1","2","7","3","4","5","1") = "6"
    & skf21("5","1","2","7","3","4","6","1") = "6"
    & skf21("5","1","2","7","3","4","7","1") = "6"
    & skf21("5","1","2","7","3","5","1","1") = "6"
    & skf21("5","1","2","7","3","5","2","1") = "6"
    & skf21("5","1","2","7","3","5","3","1") = "6"
    & skf21("5","1","2","7","3","5","4","1") = "6"
    & skf21("5","1","2","7","3","5","5","1") = "6"
    & skf21("5","1","2","7","3","5","6","1") = "6"
    & skf21("5","1","2","7","3","5","7","1") = "6"
    & skf21("5","1","2","7","3","6","1","1") = "6"
    & skf21("5","1","2","7","3","6","2","1") = "6"
    & skf21("5","1","2","7","3","6","3","1") = "6"
    & skf21("5","1","2","7","3","6","4","1") = "6"
    & skf21("5","1","2","7","3","6","5","1") = "6"
    & skf21("5","1","2","7","3","6","6","1") = "6"
    & skf21("5","1","2","7","3","6","7","1") = "6"
    & skf21("5","1","2","7","3","7","1","1") = "6"
    & skf21("5","1","2","7","3","7","2","1") = "6"
    & skf21("5","1","2","7","3","7","3","1") = "6"
    & skf21("5","1","2","7","3","7","4","1") = "6"
    & skf21("5","1","2","7","3","7","5","1") = "6"
    & skf21("5","1","2","7","3","7","6","1") = "6"
    & skf21("5","1","2","7","3","7","7","1") = "6"
    & skf21("5","1","2","7","4","1","1","1") = "6"
    & skf21("5","1","2","7","4","1","2","1") = "6"
    & skf21("5","1","2","7","4","1","3","1") = "6"
    & skf21("5","1","2","7","4","1","4","1") = "6"
    & skf21("5","1","2","7","4","1","5","1") = "6"
    & skf21("5","1","2","7","4","1","6","1") = "6"
    & skf21("5","1","2","7","4","1","7","1") = "6"
    & skf21("5","1","2","7","4","2","1","1") = "6"
    & skf21("5","1","2","7","4","2","2","1") = "6"
    & skf21("5","1","2","7","4","2","3","1") = "6"
    & skf21("5","1","2","7","4","2","4","1") = "6"
    & skf21("5","1","2","7","4","2","5","1") = "6"
    & skf21("5","1","2","7","4","2","6","1") = "6"
    & skf21("5","1","2","7","4","2","7","1") = "6"
    & skf21("5","1","2","7","4","3","1","1") = "6"
    & skf21("5","1","2","7","4","3","2","1") = "6"
    & skf21("5","1","2","7","4","3","3","1") = "6"
    & skf21("5","1","2","7","4","3","4","1") = "6"
    & skf21("5","1","2","7","4","3","5","1") = "6"
    & skf21("5","1","2","7","4","3","6","1") = "6"
    & skf21("5","1","2","7","4","3","7","1") = "6"
    & skf21("5","1","2","7","4","4","1","1") = "6"
    & skf21("5","1","2","7","4","4","2","1") = "6"
    & skf21("5","1","2","7","4","4","3","1") = "6"
    & skf21("5","1","2","7","4","4","4","1") = "6"
    & skf21("5","1","2","7","4","4","5","1") = "6"
    & skf21("5","1","2","7","4","4","6","1") = "6"
    & skf21("5","1","2","7","4","4","7","1") = "6"
    & skf21("5","1","2","7","4","5","1","1") = "6"
    & skf21("5","1","2","7","4","5","2","1") = "6"
    & skf21("5","1","2","7","4","5","3","1") = "6"
    & skf21("5","1","2","7","4","5","4","1") = "6"
    & skf21("5","1","2","7","4","5","5","1") = "6"
    & skf21("5","1","2","7","4","5","6","1") = "6"
    & skf21("5","1","2","7","4","5","7","1") = "6"
    & skf21("5","1","2","7","4","6","1","1") = "6"
    & skf21("5","1","2","7","4","6","2","1") = "6"
    & skf21("5","1","2","7","4","6","3","1") = "6"
    & skf21("5","1","2","7","4","6","4","1") = "6"
    & skf21("5","1","2","7","4","6","5","1") = "6"
    & skf21("5","1","2","7","4","6","6","1") = "6"
    & skf21("5","1","2","7","4","6","7","1") = "6"
    & skf21("5","1","2","7","4","7","1","1") = "6"
    & skf21("5","1","2","7","4","7","2","1") = "6"
    & skf21("5","1","2","7","4","7","3","1") = "6"
    & skf21("5","1","2","7","4","7","4","1") = "6"
    & skf21("5","1","2","7","4","7","5","1") = "6"
    & skf21("5","1","2","7","4","7","6","1") = "6"
    & skf21("5","1","2","7","4","7","7","1") = "6"
    & skf21("5","1","2","7","5","1","1","1") = "6"
    & skf21("5","1","2","7","5","1","2","1") = "6"
    & skf21("5","1","2","7","5","1","3","1") = "6"
    & skf21("5","1","2","7","5","1","4","1") = "6"
    & skf21("5","1","2","7","5","1","5","1") = "6"
    & skf21("5","1","2","7","5","1","6","1") = "6"
    & skf21("5","1","2","7","5","1","7","1") = "6"
    & skf21("5","1","2","7","5","2","1","1") = "6"
    & skf21("5","1","2","7","5","2","2","1") = "6"
    & skf21("5","1","2","7","5","2","3","1") = "6"
    & skf21("5","1","2","7","5","2","4","1") = "6"
    & skf21("5","1","2","7","5","2","5","1") = "6"
    & skf21("5","1","2","7","5","2","6","1") = "6"
    & skf21("5","1","2","7","5","2","7","1") = "6"
    & skf21("5","1","2","7","5","3","1","1") = "6"
    & skf21("5","1","2","7","5","3","2","1") = "6"
    & skf21("5","1","2","7","5","3","3","1") = "6"
    & skf21("5","1","2","7","5","3","4","1") = "6"
    & skf21("5","1","2","7","5","3","5","1") = "6"
    & skf21("5","1","2","7","5","3","6","1") = "6"
    & skf21("5","1","2","7","5","3","7","1") = "6"
    & skf21("5","1","2","7","5","4","1","1") = "6"
    & skf21("5","1","2","7","5","4","2","1") = "6"
    & skf21("5","1","2","7","5","4","3","1") = "6"
    & skf21("5","1","2","7","5","4","4","1") = "6"
    & skf21("5","1","2","7","5","4","5","1") = "6"
    & skf21("5","1","2","7","5","4","6","1") = "6"
    & skf21("5","1","2","7","5","4","7","1") = "6"
    & skf21("5","1","2","7","5","5","1","1") = "6"
    & skf21("5","1","2","7","5","5","2","1") = "6"
    & skf21("5","1","2","7","5","5","3","1") = "6"
    & skf21("5","1","2","7","5","5","4","1") = "6"
    & skf21("5","1","2","7","5","5","5","1") = "6"
    & skf21("5","1","2","7","5","5","6","1") = "6"
    & skf21("5","1","2","7","5","5","7","1") = "6"
    & skf21("5","1","2","7","5","6","1","1") = "6"
    & skf21("5","1","2","7","5","6","2","1") = "6"
    & skf21("5","1","2","7","5","6","3","1") = "6"
    & skf21("5","1","2","7","5","6","4","1") = "6"
    & skf21("5","1","2","7","5","6","5","1") = "6"
    & skf21("5","1","2","7","5","6","6","1") = "6"
    & skf21("5","1","2","7","5","6","7","1") = "6"
    & skf21("5","1","2","7","5","7","1","1") = "6"
    & skf21("5","1","2","7","5","7","2","1") = "6"
    & skf21("5","1","2","7","5","7","3","1") = "6"
    & skf21("5","1","2","7","5","7","4","1") = "6"
    & skf21("5","1","2","7","5","7","5","1") = "6"
    & skf21("5","1","2","7","5","7","6","1") = "6"
    & skf21("5","1","2","7","5","7","7","1") = "6"
    & skf21("5","1","2","7","6","1","1","1") = "6"
    & skf21("5","1","2","7","6","1","2","1") = "6"
    & skf21("5","1","2","7","6","1","3","1") = "6"
    & skf21("5","1","2","7","6","1","4","1") = "6"
    & skf21("5","1","2","7","6","1","5","1") = "6"
    & skf21("5","1","2","7","6","1","6","1") = "6"
    & skf21("5","1","2","7","6","1","7","1") = "6"
    & skf21("5","1","2","7","6","2","1","1") = "6"
    & skf21("5","1","2","7","6","2","2","1") = "6"
    & skf21("5","1","2","7","6","2","3","1") = "6"
    & skf21("5","1","2","7","6","2","4","1") = "6"
    & skf21("5","1","2","7","6","2","5","1") = "6"
    & skf21("5","1","2","7","6","2","6","1") = "6"
    & skf21("5","1","2","7","6","2","7","1") = "6"
    & skf21("5","1","2","7","6","3","1","1") = "6"
    & skf21("5","1","2","7","6","3","2","1") = "6"
    & skf21("5","1","2","7","6","3","3","1") = "6"
    & skf21("5","1","2","7","6","3","4","1") = "6"
    & skf21("5","1","2","7","6","3","5","1") = "6"
    & skf21("5","1","2","7","6","3","6","1") = "6"
    & skf21("5","1","2","7","6","3","7","1") = "6"
    & skf21("5","1","2","7","6","4","1","1") = "6"
    & skf21("5","1","2","7","6","4","2","1") = "6"
    & skf21("5","1","2","7","6","4","3","1") = "6"
    & skf21("5","1","2","7","6","4","4","1") = "6"
    & skf21("5","1","2","7","6","4","5","1") = "6"
    & skf21("5","1","2","7","6","4","6","1") = "6"
    & skf21("5","1","2","7","6","4","7","1") = "6"
    & skf21("5","1","2","7","6","5","1","1") = "6"
    & skf21("5","1","2","7","6","5","2","1") = "6"
    & skf21("5","1","2","7","6","5","3","1") = "6"
    & skf21("5","1","2","7","6","5","4","1") = "6"
    & skf21("5","1","2","7","6","5","5","1") = "6"
    & skf21("5","1","2","7","6","5","6","1") = "6"
    & skf21("5","1","2","7","6","5","7","1") = "6"
    & skf21("5","1","2","7","6","6","1","1") = "6"
    & skf21("5","1","2","7","6","6","2","1") = "6"
    & skf21("5","1","2","7","6","6","3","1") = "6"
    & skf21("5","1","2","7","6","6","4","1") = "6"
    & skf21("5","1","2","7","6","6","5","1") = "6"
    & skf21("5","1","2","7","6","6","6","1") = "6"
    & skf21("5","1","2","7","6","6","7","1") = "6"
    & skf21("5","1","2","7","6","7","1","1") = "6"
    & skf21("5","1","2","7","6","7","2","1") = "6"
    & skf21("5","1","2","7","6","7","3","1") = "6"
    & skf21("5","1","2","7","6","7","4","1") = "6"
    & skf21("5","1","2","7","6","7","5","1") = "6"
    & skf21("5","1","2","7","6","7","6","1") = "6"
    & skf21("5","1","2","7","6","7","7","1") = "6"
    & skf21("5","1","2","7","7","1","1","1") = "6"
    & skf21("5","1","2","7","7","1","2","1") = "6"
    & skf21("5","1","2","7","7","1","3","1") = "6"
    & skf21("5","1","2","7","7","1","4","1") = "6"
    & skf21("5","1","2","7","7","1","5","1") = "6"
    & skf21("5","1","2","7","7","1","6","1") = "6"
    & skf21("5","1","2","7","7","1","7","1") = "6"
    & skf21("5","1","2","7","7","2","1","1") = "6"
    & skf21("5","1","2","7","7","2","2","1") = "6"
    & skf21("5","1","2","7","7","2","3","1") = "6"
    & skf21("5","1","2","7","7","2","4","1") = "6"
    & skf21("5","1","2","7","7","2","5","1") = "6"
    & skf21("5","1","2","7","7","2","6","1") = "6"
    & skf21("5","1","2","7","7","2","7","1") = "6"
    & skf21("5","1","2","7","7","3","1","1") = "6"
    & skf21("5","1","2","7","7","3","2","1") = "6"
    & skf21("5","1","2","7","7","3","3","1") = "6"
    & skf21("5","1","2","7","7","3","4","1") = "6"
    & skf21("5","1","2","7","7","3","5","1") = "6"
    & skf21("5","1","2","7","7","3","6","1") = "6"
    & skf21("5","1","2","7","7","3","7","1") = "6"
    & skf21("5","1","2","7","7","4","1","1") = "6"
    & skf21("5","1","2","7","7","4","2","1") = "6"
    & skf21("5","1","2","7","7","4","3","1") = "6"
    & skf21("5","1","2","7","7","4","4","1") = "6"
    & skf21("5","1","2","7","7","4","5","1") = "6"
    & skf21("5","1","2","7","7","4","6","1") = "6"
    & skf21("5","1","2","7","7","4","7","1") = "6"
    & skf21("5","1","2","7","7","5","1","1") = "6"
    & skf21("5","1","2","7","7","5","2","1") = "6"
    & skf21("5","1","2","7","7","5","3","1") = "6"
    & skf21("5","1","2","7","7","5","4","1") = "6"
    & skf21("5","1","2","7","7","5","5","1") = "6"
    & skf21("5","1","2","7","7","5","6","1") = "6"
    & skf21("5","1","2","7","7","5","7","1") = "6"
    & skf21("5","1","2","7","7","6","1","1") = "6"
    & skf21("5","1","2","7","7","6","2","1") = "6"
    & skf21("5","1","2","7","7","6","3","1") = "6"
    & skf21("5","1","2","7","7","6","4","1") = "6"
    & skf21("5","1","2","7","7","6","5","1") = "6"
    & skf21("5","1","2","7","7","6","6","1") = "6"
    & skf21("5","1","2","7","7","6","7","1") = "6"
    & skf21("5","1","2","7","7","7","1","1") = "6"
    & skf21("5","1","2","7","7","7","2","1") = "6"
    & skf21("5","1","2","7","7","7","3","1") = "6"
    & skf21("5","1","2","7","7","7","4","1") = "6"
    & skf21("5","1","2","7","7","7","5","1") = "6"
    & skf21("5","1","2","7","7","7","6","1") = "6"
    & skf21("5","1","2","7","7","7","7","1") = "6"
    & skf21("5","1","3","1","1","1","1","1") = "4"
    & skf21("5","1","3","1","1","1","2","1") = "4"
    & skf21("5","1","3","1","1","1","3","1") = "4"
    & skf21("5","1","3","1","1","1","4","1") = "4"
    & skf21("5","1","3","1","1","1","5","1") = "4"
    & skf21("5","1","3","1","1","1","6","1") = "5"
    & skf21("5","1","3","1","1","1","7","1") = "6"
    & skf21("5","1","3","1","1","2","1","1") = "4"
    & skf21("5","1","3","1","1","2","2","1") = "4"
    & skf21("5","1","3","1","1","2","3","1") = "4"
    & skf21("5","1","3","1","1","2","4","1") = "4"
    & skf21("5","1","3","1","1","2","5","1") = "4"
    & skf21("5","1","3","1","1","2","6","1") = "5"
    & skf21("5","1","3","1","1","2","7","1") = "6"
    & skf21("5","1","3","1","1","3","1","1") = "4"
    & skf21("5","1","3","1","1","3","2","1") = "4"
    & skf21("5","1","3","1","1","3","3","1") = "4"
    & skf21("5","1","3","1","1","3","4","1") = "4"
    & skf21("5","1","3","1","1","3","5","1") = "4"
    & skf21("5","1","3","1","1","3","6","1") = "5"
    & skf21("5","1","3","1","1","3","7","1") = "6"
    & skf21("5","1","3","1","1","4","1","1") = "4"
    & skf21("5","1","3","1","1","4","2","1") = "4"
    & skf21("5","1","3","1","1","4","3","1") = "4"
    & skf21("5","1","3","1","1","4","4","1") = "4"
    & skf21("5","1","3","1","1","4","5","1") = "4"
    & skf21("5","1","3","1","1","4","6","1") = "5"
    & skf21("5","1","3","1","1","4","7","1") = "6"
    & skf21("5","1","3","1","1","5","1","1") = "4"
    & skf21("5","1","3","1","1","5","2","1") = "4"
    & skf21("5","1","3","1","1","5","3","1") = "4"
    & skf21("5","1","3","1","1","5","4","1") = "4"
    & skf21("5","1","3","1","1","5","5","1") = "4"
    & skf21("5","1","3","1","1","5","6","1") = "5"
    & skf21("5","1","3","1","1","5","7","1") = "6"
    & skf21("5","1","3","1","1","6","1","1") = "5"
    & skf21("5","1","3","1","1","6","2","1") = "5"
    & skf21("5","1","3","1","1","6","3","1") = "5"
    & skf21("5","1","3","1","1","6","4","1") = "5"
    & skf21("5","1","3","1","1","6","5","1") = "5"
    & skf21("5","1","3","1","1","6","6","1") = "5"
    & skf21("5","1","3","1","1","6","7","1") = "6"
    & skf21("5","1","3","1","1","7","1","1") = "6"
    & skf21("5","1","3","1","1","7","2","1") = "6"
    & skf21("5","1","3","1","1","7","3","1") = "6"
    & skf21("5","1","3","1","1","7","4","1") = "6"
    & skf21("5","1","3","1","1","7","5","1") = "6"
    & skf21("5","1","3","1","1","7","6","1") = "6"
    & skf21("5","1","3","1","1","7","7","1") = "6"
    & skf21("5","1","3","1","2","1","1","1") = "4"
    & skf21("5","1","3","1","2","1","2","1") = "4"
    & skf21("5","1","3","1","2","1","3","1") = "4"
    & skf21("5","1","3","1","2","1","4","1") = "4"
    & skf21("5","1","3","1","2","1","5","1") = "4"
    & skf21("5","1","3","1","2","1","6","1") = "5"
    & skf21("5","1","3","1","2","1","7","1") = "6"
    & skf21("5","1","3","1","2","2","1","1") = "4"
    & skf21("5","1","3","1","2","2","2","1") = "4"
    & skf21("5","1","3","1","2","2","3","1") = "4"
    & skf21("5","1","3","1","2","2","4","1") = "4"
    & skf21("5","1","3","1","2","2","5","1") = "4"
    & skf21("5","1","3","1","2","2","6","1") = "5"
    & skf21("5","1","3","1","2","2","7","1") = "6"
    & skf21("5","1","3","1","2","3","1","1") = "4"
    & skf21("5","1","3","1","2","3","2","1") = "4"
    & skf21("5","1","3","1","2","3","3","1") = "4"
    & skf21("5","1","3","1","2","3","4","1") = "4"
    & skf21("5","1","3","1","2","3","5","1") = "4"
    & skf21("5","1","3","1","2","3","6","1") = "5"
    & skf21("5","1","3","1","2","3","7","1") = "6"
    & skf21("5","1","3","1","2","4","1","1") = "4"
    & skf21("5","1","3","1","2","4","2","1") = "4"
    & skf21("5","1","3","1","2","4","3","1") = "4"
    & skf21("5","1","3","1","2","4","4","1") = "4"
    & skf21("5","1","3","1","2","4","5","1") = "4"
    & skf21("5","1","3","1","2","4","6","1") = "5"
    & skf21("5","1","3","1","2","4","7","1") = "6"
    & skf21("5","1","3","1","2","5","1","1") = "4"
    & skf21("5","1","3","1","2","5","2","1") = "4"
    & skf21("5","1","3","1","2","5","3","1") = "4"
    & skf21("5","1","3","1","2","5","4","1") = "4"
    & skf21("5","1","3","1","2","5","5","1") = "4"
    & skf21("5","1","3","1","2","5","6","1") = "5"
    & skf21("5","1","3","1","2","5","7","1") = "6"
    & skf21("5","1","3","1","2","6","1","1") = "5"
    & skf21("5","1","3","1","2","6","2","1") = "5"
    & skf21("5","1","3","1","2","6","3","1") = "5"
    & skf21("5","1","3","1","2","6","4","1") = "5"
    & skf21("5","1","3","1","2","6","5","1") = "5"
    & skf21("5","1","3","1","2","6","6","1") = "5"
    & skf21("5","1","3","1","2","6","7","1") = "6"
    & skf21("5","1","3","1","2","7","1","1") = "6"
    & skf21("5","1","3","1","2","7","2","1") = "6"
    & skf21("5","1","3","1","2","7","3","1") = "6"
    & skf21("5","1","3","1","2","7","4","1") = "6"
    & skf21("5","1","3","1","2","7","5","1") = "6"
    & skf21("5","1","3","1","2","7","6","1") = "6"
    & skf21("5","1","3","1","2","7","7","1") = "6"
    & skf21("5","1","3","1","3","1","1","1") = "4"
    & skf21("5","1","3","1","3","1","2","1") = "4"
    & skf21("5","1","3","1","3","1","3","1") = "4"
    & skf21("5","1","3","1","3","1","4","1") = "4"
    & skf21("5","1","3","1","3","1","5","1") = "4"
    & skf21("5","1","3","1","3","1","6","1") = "5"
    & skf21("5","1","3","1","3","1","7","1") = "6"
    & skf21("5","1","3","1","3","2","1","1") = "4"
    & skf21("5","1","3","1","3","2","2","1") = "4"
    & skf21("5","1","3","1","3","2","3","1") = "4"
    & skf21("5","1","3","1","3","2","4","1") = "4"
    & skf21("5","1","3","1","3","2","5","1") = "4"
    & skf21("5","1","3","1","3","2","6","1") = "5"
    & skf21("5","1","3","1","3","2","7","1") = "6"
    & skf21("5","1","3","1","3","3","1","1") = "4"
    & skf21("5","1","3","1","3","3","2","1") = "4"
    & skf21("5","1","3","1","3","3","3","1") = "4"
    & skf21("5","1","3","1","3","3","4","1") = "4"
    & skf21("5","1","3","1","3","3","5","1") = "4"
    & skf21("5","1","3","1","3","3","6","1") = "5"
    & skf21("5","1","3","1","3","3","7","1") = "6"
    & skf21("5","1","3","1","3","4","1","1") = "4"
    & skf21("5","1","3","1","3","4","2","1") = "4"
    & skf21("5","1","3","1","3","4","3","1") = "4"
    & skf21("5","1","3","1","3","4","4","1") = "4"
    & skf21("5","1","3","1","3","4","5","1") = "4"
    & skf21("5","1","3","1","3","4","6","1") = "5"
    & skf21("5","1","3","1","3","4","7","1") = "6"
    & skf21("5","1","3","1","3","5","1","1") = "4"
    & skf21("5","1","3","1","3","5","2","1") = "4"
    & skf21("5","1","3","1","3","5","3","1") = "4"
    & skf21("5","1","3","1","3","5","4","1") = "4"
    & skf21("5","1","3","1","3","5","5","1") = "4"
    & skf21("5","1","3","1","3","5","6","1") = "5"
    & skf21("5","1","3","1","3","5","7","1") = "6"
    & skf21("5","1","3","1","3","6","1","1") = "5"
    & skf21("5","1","3","1","3","6","2","1") = "5"
    & skf21("5","1","3","1","3","6","3","1") = "5"
    & skf21("5","1","3","1","3","6","4","1") = "5"
    & skf21("5","1","3","1","3","6","5","1") = "5"
    & skf21("5","1","3","1","3","6","6","1") = "5"
    & skf21("5","1","3","1","3","6","7","1") = "6"
    & skf21("5","1","3","1","3","7","1","1") = "6"
    & skf21("5","1","3","1","3","7","2","1") = "6"
    & skf21("5","1","3","1","3","7","3","1") = "6"
    & skf21("5","1","3","1","3","7","4","1") = "6"
    & skf21("5","1","3","1","3","7","5","1") = "6"
    & skf21("5","1","3","1","3","7","6","1") = "6"
    & skf21("5","1","3","1","3","7","7","1") = "6"
    & skf21("5","1","3","1","4","1","1","1") = "4"
    & skf21("5","1","3","1","4","1","2","1") = "4"
    & skf21("5","1","3","1","4","1","3","1") = "4"
    & skf21("5","1","3","1","4","1","4","1") = "4"
    & skf21("5","1","3","1","4","1","5","1") = "4"
    & skf21("5","1","3","1","4","1","6","1") = "5"
    & skf21("5","1","3","1","4","1","7","1") = "6"
    & skf21("5","1","3","1","4","2","1","1") = "4"
    & skf21("5","1","3","1","4","2","2","1") = "4"
    & skf21("5","1","3","1","4","2","3","1") = "4"
    & skf21("5","1","3","1","4","2","4","1") = "4"
    & skf21("5","1","3","1","4","2","5","1") = "4"
    & skf21("5","1","3","1","4","2","6","1") = "5"
    & skf21("5","1","3","1","4","2","7","1") = "6"
    & skf21("5","1","3","1","4","3","1","1") = "4"
    & skf21("5","1","3","1","4","3","2","1") = "4"
    & skf21("5","1","3","1","4","3","3","1") = "4"
    & skf21("5","1","3","1","4","3","4","1") = "4"
    & skf21("5","1","3","1","4","3","5","1") = "4"
    & skf21("5","1","3","1","4","3","6","1") = "5"
    & skf21("5","1","3","1","4","3","7","1") = "6"
    & skf21("5","1","3","1","4","4","1","1") = "4"
    & skf21("5","1","3","1","4","4","2","1") = "4"
    & skf21("5","1","3","1","4","4","3","1") = "4"
    & skf21("5","1","3","1","4","4","4","1") = "4"
    & skf21("5","1","3","1","4","4","5","1") = "4"
    & skf21("5","1","3","1","4","4","6","1") = "5"
    & skf21("5","1","3","1","4","4","7","1") = "6"
    & skf21("5","1","3","1","4","5","1","1") = "4"
    & skf21("5","1","3","1","4","5","2","1") = "4"
    & skf21("5","1","3","1","4","5","3","1") = "4"
    & skf21("5","1","3","1","4","5","4","1") = "4"
    & skf21("5","1","3","1","4","5","5","1") = "4"
    & skf21("5","1","3","1","4","5","6","1") = "5"
    & skf21("5","1","3","1","4","5","7","1") = "6"
    & skf21("5","1","3","1","4","6","1","1") = "5"
    & skf21("5","1","3","1","4","6","2","1") = "5"
    & skf21("5","1","3","1","4","6","3","1") = "5"
    & skf21("5","1","3","1","4","6","4","1") = "5"
    & skf21("5","1","3","1","4","6","5","1") = "5"
    & skf21("5","1","3","1","4","6","6","1") = "5"
    & skf21("5","1","3","1","4","6","7","1") = "6"
    & skf21("5","1","3","1","4","7","1","1") = "6"
    & skf21("5","1","3","1","4","7","2","1") = "6"
    & skf21("5","1","3","1","4","7","3","1") = "6"
    & skf21("5","1","3","1","4","7","4","1") = "6"
    & skf21("5","1","3","1","4","7","5","1") = "6"
    & skf21("5","1","3","1","4","7","6","1") = "6"
    & skf21("5","1","3","1","4","7","7","1") = "6"
    & skf21("5","1","3","1","5","1","1","1") = "4"
    & skf21("5","1","3","1","5","1","2","1") = "4"
    & skf21("5","1","3","1","5","1","3","1") = "4"
    & skf21("5","1","3","1","5","1","4","1") = "4"
    & skf21("5","1","3","1","5","1","5","1") = "4"
    & skf21("5","1","3","1","5","1","6","1") = "5"
    & skf21("5","1","3","1","5","1","7","1") = "6"
    & skf21("5","1","3","1","5","2","1","1") = "4"
    & skf21("5","1","3","1","5","2","2","1") = "4"
    & skf21("5","1","3","1","5","2","3","1") = "4"
    & skf21("5","1","3","1","5","2","4","1") = "4"
    & skf21("5","1","3","1","5","2","5","1") = "4"
    & skf21("5","1","3","1","5","2","6","1") = "5"
    & skf21("5","1","3","1","5","2","7","1") = "6"
    & skf21("5","1","3","1","5","3","1","1") = "4"
    & skf21("5","1","3","1","5","3","2","1") = "4"
    & skf21("5","1","3","1","5","3","3","1") = "4"
    & skf21("5","1","3","1","5","3","4","1") = "4"
    & skf21("5","1","3","1","5","3","5","1") = "4"
    & skf21("5","1","3","1","5","3","6","1") = "5"
    & skf21("5","1","3","1","5","3","7","1") = "6"
    & skf21("5","1","3","1","5","4","1","1") = "4"
    & skf21("5","1","3","1","5","4","2","1") = "4"
    & skf21("5","1","3","1","5","4","3","1") = "4"
    & skf21("5","1","3","1","5","4","4","1") = "4"
    & skf21("5","1","3","1","5","4","5","1") = "4"
    & skf21("5","1","3","1","5","4","6","1") = "5"
    & skf21("5","1","3","1","5","4","7","1") = "6"
    & skf21("5","1","3","1","5","5","1","1") = "4"
    & skf21("5","1","3","1","5","5","2","1") = "4"
    & skf21("5","1","3","1","5","5","3","1") = "4"
    & skf21("5","1","3","1","5","5","4","1") = "4"
    & skf21("5","1","3","1","5","5","5","1") = "4"
    & skf21("5","1","3","1","5","5","6","1") = "5"
    & skf21("5","1","3","1","5","5","7","1") = "6"
    & skf21("5","1","3","1","5","6","1","1") = "5"
    & skf21("5","1","3","1","5","6","2","1") = "5"
    & skf21("5","1","3","1","5","6","3","1") = "5"
    & skf21("5","1","3","1","5","6","4","1") = "5"
    & skf21("5","1","3","1","5","6","5","1") = "5"
    & skf21("5","1","3","1","5","6","6","1") = "5"
    & skf21("5","1","3","1","5","6","7","1") = "6"
    & skf21("5","1","3","1","5","7","1","1") = "6"
    & skf21("5","1","3","1","5","7","2","1") = "6"
    & skf21("5","1","3","1","5","7","3","1") = "6"
    & skf21("5","1","3","1","5","7","4","1") = "6"
    & skf21("5","1","3","1","5","7","5","1") = "6"
    & skf21("5","1","3","1","5","7","6","1") = "6"
    & skf21("5","1","3","1","5","7","7","1") = "6"
    & skf21("5","1","3","1","6","1","1","1") = "5"
    & skf21("5","1","3","1","6","1","2","1") = "5"
    & skf21("5","1","3","1","6","1","3","1") = "5"
    & skf21("5","1","3","1","6","1","4","1") = "5"
    & skf21("5","1","3","1","6","1","5","1") = "5"
    & skf21("5","1","3","1","6","1","6","1") = "5"
    & skf21("5","1","3","1","6","1","7","1") = "6"
    & skf21("5","1","3","1","6","2","1","1") = "5"
    & skf21("5","1","3","1","6","2","2","1") = "5"
    & skf21("5","1","3","1","6","2","3","1") = "5"
    & skf21("5","1","3","1","6","2","4","1") = "5"
    & skf21("5","1","3","1","6","2","5","1") = "5"
    & skf21("5","1","3","1","6","2","6","1") = "5"
    & skf21("5","1","3","1","6","2","7","1") = "6"
    & skf21("5","1","3","1","6","3","1","1") = "5"
    & skf21("5","1","3","1","6","3","2","1") = "5"
    & skf21("5","1","3","1","6","3","3","1") = "5"
    & skf21("5","1","3","1","6","3","4","1") = "5"
    & skf21("5","1","3","1","6","3","5","1") = "5"
    & skf21("5","1","3","1","6","3","6","1") = "5"
    & skf21("5","1","3","1","6","3","7","1") = "6"
    & skf21("5","1","3","1","6","4","1","1") = "5"
    & skf21("5","1","3","1","6","4","2","1") = "5"
    & skf21("5","1","3","1","6","4","3","1") = "5"
    & skf21("5","1","3","1","6","4","4","1") = "5"
    & skf21("5","1","3","1","6","4","5","1") = "5"
    & skf21("5","1","3","1","6","4","6","1") = "5"
    & skf21("5","1","3","1","6","4","7","1") = "6"
    & skf21("5","1","3","1","6","5","1","1") = "5"
    & skf21("5","1","3","1","6","5","2","1") = "5"
    & skf21("5","1","3","1","6","5","3","1") = "5"
    & skf21("5","1","3","1","6","5","4","1") = "5"
    & skf21("5","1","3","1","6","5","5","1") = "5"
    & skf21("5","1","3","1","6","5","6","1") = "5"
    & skf21("5","1","3","1","6","5","7","1") = "6"
    & skf21("5","1","3","1","6","6","1","1") = "5"
    & skf21("5","1","3","1","6","6","2","1") = "5"
    & skf21("5","1","3","1","6","6","3","1") = "5"
    & skf21("5","1","3","1","6","6","4","1") = "5"
    & skf21("5","1","3","1","6","6","5","1") = "5"
    & skf21("5","1","3","1","6","6","6","1") = "5"
    & skf21("5","1","3","1","6","6","7","1") = "6"
    & skf21("5","1","3","1","6","7","1","1") = "6"
    & skf21("5","1","3","1","6","7","2","1") = "6"
    & skf21("5","1","3","1","6","7","3","1") = "6"
    & skf21("5","1","3","1","6","7","4","1") = "6"
    & skf21("5","1","3","1","6","7","5","1") = "6"
    & skf21("5","1","3","1","6","7","6","1") = "6"
    & skf21("5","1","3","1","6","7","7","1") = "6"
    & skf21("5","1","3","1","7","1","1","1") = "6"
    & skf21("5","1","3","1","7","1","2","1") = "6"
    & skf21("5","1","3","1","7","1","3","1") = "6"
    & skf21("5","1","3","1","7","1","4","1") = "6"
    & skf21("5","1","3","1","7","1","5","1") = "6"
    & skf21("5","1","3","1","7","1","6","1") = "6"
    & skf21("5","1","3","1","7","1","7","1") = "6"
    & skf21("5","1","3","1","7","2","1","1") = "6"
    & skf21("5","1","3","1","7","2","2","1") = "6"
    & skf21("5","1","3","1","7","2","3","1") = "6"
    & skf21("5","1","3","1","7","2","4","1") = "6"
    & skf21("5","1","3","1","7","2","5","1") = "6"
    & skf21("5","1","3","1","7","2","6","1") = "6"
    & skf21("5","1","3","1","7","2","7","1") = "6"
    & skf21("5","1","3","1","7","3","1","1") = "6"
    & skf21("5","1","3","1","7","3","2","1") = "6"
    & skf21("5","1","3","1","7","3","3","1") = "6"
    & skf21("5","1","3","1","7","3","4","1") = "6"
    & skf21("5","1","3","1","7","3","5","1") = "6"
    & skf21("5","1","3","1","7","3","6","1") = "6"
    & skf21("5","1","3","1","7","3","7","1") = "6"
    & skf21("5","1","3","1","7","4","1","1") = "6"
    & skf21("5","1","3","1","7","4","2","1") = "6"
    & skf21("5","1","3","1","7","4","3","1") = "6"
    & skf21("5","1","3","1","7","4","4","1") = "6"
    & skf21("5","1","3","1","7","4","5","1") = "6"
    & skf21("5","1","3","1","7","4","6","1") = "6"
    & skf21("5","1","3","1","7","4","7","1") = "6"
    & skf21("5","1","3","1","7","5","1","1") = "6"
    & skf21("5","1","3","1","7","5","2","1") = "6"
    & skf21("5","1","3","1","7","5","3","1") = "6"
    & skf21("5","1","3","1","7","5","4","1") = "6"
    & skf21("5","1","3","1","7","5","5","1") = "6"
    & skf21("5","1","3","1","7","5","6","1") = "6"
    & skf21("5","1","3","1","7","5","7","1") = "6"
    & skf21("5","1","3","1","7","6","1","1") = "6"
    & skf21("5","1","3","1","7","6","2","1") = "6"
    & skf21("5","1","3","1","7","6","3","1") = "6"
    & skf21("5","1","3","1","7","6","4","1") = "6"
    & skf21("5","1","3","1","7","6","5","1") = "6"
    & skf21("5","1","3","1","7","6","6","1") = "6"
    & skf21("5","1","3","1","7","6","7","1") = "6"
    & skf21("5","1","3","1","7","7","1","1") = "6"
    & skf21("5","1","3","1","7","7","2","1") = "6"
    & skf21("5","1","3","1","7","7","3","1") = "6"
    & skf21("5","1","3","1","7","7","4","1") = "6"
    & skf21("5","1","3","1","7","7","5","1") = "6"
    & skf21("5","1","3","1","7","7","6","1") = "6"
    & skf21("5","1","3","1","7","7","7","1") = "6"
    & skf21("5","1","3","2","1","1","1","1") = "4"
    & skf21("5","1","3","2","1","1","2","1") = "4"
    & skf21("5","1","3","2","1","1","3","1") = "4"
    & skf21("5","1","3","2","1","1","4","1") = "4"
    & skf21("5","1","3","2","1","1","5","1") = "4"
    & skf21("5","1","3","2","1","1","6","1") = "5"
    & skf21("5","1","3","2","1","1","7","1") = "6"
    & skf21("5","1","3","2","1","2","1","1") = "4"
    & skf21("5","1","3","2","1","2","2","1") = "4"
    & skf21("5","1","3","2","1","2","3","1") = "4"
    & skf21("5","1","3","2","1","2","4","1") = "4"
    & skf21("5","1","3","2","1","2","5","1") = "4"
    & skf21("5","1","3","2","1","2","6","1") = "5"
    & skf21("5","1","3","2","1","2","7","1") = "6"
    & skf21("5","1","3","2","1","3","1","1") = "4"
    & skf21("5","1","3","2","1","3","2","1") = "4"
    & skf21("5","1","3","2","1","3","3","1") = "4"
    & skf21("5","1","3","2","1","3","4","1") = "4"
    & skf21("5","1","3","2","1","3","5","1") = "4"
    & skf21("5","1","3","2","1","3","6","1") = "5"
    & skf21("5","1","3","2","1","3","7","1") = "6"
    & skf21("5","1","3","2","1","4","1","1") = "4"
    & skf21("5","1","3","2","1","4","2","1") = "4"
    & skf21("5","1","3","2","1","4","3","1") = "4"
    & skf21("5","1","3","2","1","4","4","1") = "4"
    & skf21("5","1","3","2","1","4","5","1") = "4"
    & skf21("5","1","3","2","1","4","6","1") = "5"
    & skf21("5","1","3","2","1","4","7","1") = "6"
    & skf21("5","1","3","2","1","5","1","1") = "4"
    & skf21("5","1","3","2","1","5","2","1") = "4"
    & skf21("5","1","3","2","1","5","3","1") = "4"
    & skf21("5","1","3","2","1","5","4","1") = "4"
    & skf21("5","1","3","2","1","5","5","1") = "4"
    & skf21("5","1","3","2","1","5","6","1") = "5"
    & skf21("5","1","3","2","1","5","7","1") = "6"
    & skf21("5","1","3","2","1","6","1","1") = "5"
    & skf21("5","1","3","2","1","6","2","1") = "5"
    & skf21("5","1","3","2","1","6","3","1") = "5"
    & skf21("5","1","3","2","1","6","4","1") = "5"
    & skf21("5","1","3","2","1","6","5","1") = "5"
    & skf21("5","1","3","2","1","6","6","1") = "5"
    & skf21("5","1","3","2","1","6","7","1") = "6"
    & skf21("5","1","3","2","1","7","1","1") = "6"
    & skf21("5","1","3","2","1","7","2","1") = "6"
    & skf21("5","1","3","2","1","7","3","1") = "6"
    & skf21("5","1","3","2","1","7","4","1") = "6"
    & skf21("5","1","3","2","1","7","5","1") = "6"
    & skf21("5","1","3","2","1","7","6","1") = "6"
    & skf21("5","1","3","2","1","7","7","1") = "6"
    & skf21("5","1","3","2","2","1","1","1") = "4"
    & skf21("5","1","3","2","2","1","2","1") = "4"
    & skf21("5","1","3","2","2","1","3","1") = "4"
    & skf21("5","1","3","2","2","1","4","1") = "4"
    & skf21("5","1","3","2","2","1","5","1") = "4"
    & skf21("5","1","3","2","2","1","6","1") = "5"
    & skf21("5","1","3","2","2","1","7","1") = "6"
    & skf21("5","1","3","2","2","2","1","1") = "4"
    & skf21("5","1","3","2","2","2","2","1") = "4"
    & skf21("5","1","3","2","2","2","3","1") = "4"
    & skf21("5","1","3","2","2","2","4","1") = "4"
    & skf21("5","1","3","2","2","2","5","1") = "4"
    & skf21("5","1","3","2","2","2","6","1") = "5"
    & skf21("5","1","3","2","2","2","7","1") = "6"
    & skf21("5","1","3","2","2","3","1","1") = "4"
    & skf21("5","1","3","2","2","3","2","1") = "4"
    & skf21("5","1","3","2","2","3","3","1") = "4"
    & skf21("5","1","3","2","2","3","4","1") = "4"
    & skf21("5","1","3","2","2","3","5","1") = "4"
    & skf21("5","1","3","2","2","3","6","1") = "5"
    & skf21("5","1","3","2","2","3","7","1") = "6"
    & skf21("5","1","3","2","2","4","1","1") = "4"
    & skf21("5","1","3","2","2","4","2","1") = "4"
    & skf21("5","1","3","2","2","4","3","1") = "4"
    & skf21("5","1","3","2","2","4","4","1") = "4"
    & skf21("5","1","3","2","2","4","5","1") = "4"
    & skf21("5","1","3","2","2","4","6","1") = "5"
    & skf21("5","1","3","2","2","4","7","1") = "6"
    & skf21("5","1","3","2","2","5","1","1") = "4"
    & skf21("5","1","3","2","2","5","2","1") = "4"
    & skf21("5","1","3","2","2","5","3","1") = "4"
    & skf21("5","1","3","2","2","5","4","1") = "4"
    & skf21("5","1","3","2","2","5","5","1") = "4"
    & skf21("5","1","3","2","2","5","6","1") = "5"
    & skf21("5","1","3","2","2","5","7","1") = "6"
    & skf21("5","1","3","2","2","6","1","1") = "5"
    & skf21("5","1","3","2","2","6","2","1") = "5"
    & skf21("5","1","3","2","2","6","3","1") = "5"
    & skf21("5","1","3","2","2","6","4","1") = "5"
    & skf21("5","1","3","2","2","6","5","1") = "5"
    & skf21("5","1","3","2","2","6","6","1") = "5"
    & skf21("5","1","3","2","2","6","7","1") = "6"
    & skf21("5","1","3","2","2","7","1","1") = "6"
    & skf21("5","1","3","2","2","7","2","1") = "6"
    & skf21("5","1","3","2","2","7","3","1") = "6"
    & skf21("5","1","3","2","2","7","4","1") = "6"
    & skf21("5","1","3","2","2","7","5","1") = "6"
    & skf21("5","1","3","2","2","7","6","1") = "6"
    & skf21("5","1","3","2","2","7","7","1") = "6"
    & skf21("5","1","3","2","3","1","1","1") = "4"
    & skf21("5","1","3","2","3","1","2","1") = "4"
    & skf21("5","1","3","2","3","1","3","1") = "4"
    & skf21("5","1","3","2","3","1","4","1") = "4"
    & skf21("5","1","3","2","3","1","5","1") = "4"
    & skf21("5","1","3","2","3","1","6","1") = "5"
    & skf21("5","1","3","2","3","1","7","1") = "6"
    & skf21("5","1","3","2","3","2","1","1") = "4"
    & skf21("5","1","3","2","3","2","2","1") = "4"
    & skf21("5","1","3","2","3","2","3","1") = "4"
    & skf21("5","1","3","2","3","2","4","1") = "4"
    & skf21("5","1","3","2","3","2","5","1") = "4"
    & skf21("5","1","3","2","3","2","6","1") = "5"
    & skf21("5","1","3","2","3","2","7","1") = "6"
    & skf21("5","1","3","2","3","3","1","1") = "4"
    & skf21("5","1","3","2","3","3","2","1") = "4"
    & skf21("5","1","3","2","3","3","3","1") = "4"
    & skf21("5","1","3","2","3","3","4","1") = "4"
    & skf21("5","1","3","2","3","3","5","1") = "4"
    & skf21("5","1","3","2","3","3","6","1") = "5"
    & skf21("5","1","3","2","3","3","7","1") = "6"
    & skf21("5","1","3","2","3","4","1","1") = "4"
    & skf21("5","1","3","2","3","4","2","1") = "4"
    & skf21("5","1","3","2","3","4","3","1") = "4"
    & skf21("5","1","3","2","3","4","4","1") = "4"
    & skf21("5","1","3","2","3","4","5","1") = "4"
    & skf21("5","1","3","2","3","4","6","1") = "5"
    & skf21("5","1","3","2","3","4","7","1") = "6"
    & skf21("5","1","3","2","3","5","1","1") = "4"
    & skf21("5","1","3","2","3","5","2","1") = "4"
    & skf21("5","1","3","2","3","5","3","1") = "4"
    & skf21("5","1","3","2","3","5","4","1") = "4"
    & skf21("5","1","3","2","3","5","5","1") = "4"
    & skf21("5","1","3","2","3","5","6","1") = "5"
    & skf21("5","1","3","2","3","5","7","1") = "6"
    & skf21("5","1","3","2","3","6","1","1") = "5"
    & skf21("5","1","3","2","3","6","2","1") = "5"
    & skf21("5","1","3","2","3","6","3","1") = "5"
    & skf21("5","1","3","2","3","6","4","1") = "5"
    & skf21("5","1","3","2","3","6","5","1") = "5"
    & skf21("5","1","3","2","3","6","6","1") = "5"
    & skf21("5","1","3","2","3","6","7","1") = "6"
    & skf21("5","1","3","2","3","7","1","1") = "6"
    & skf21("5","1","3","2","3","7","2","1") = "6"
    & skf21("5","1","3","2","3","7","3","1") = "6"
    & skf21("5","1","3","2","3","7","4","1") = "6"
    & skf21("5","1","3","2","3","7","5","1") = "6"
    & skf21("5","1","3","2","3","7","6","1") = "6"
    & skf21("5","1","3","2","3","7","7","1") = "6"
    & skf21("5","1","3","2","4","1","1","1") = "4"
    & skf21("5","1","3","2","4","1","2","1") = "4"
    & skf21("5","1","3","2","4","1","3","1") = "4"
    & skf21("5","1","3","2","4","1","4","1") = "4"
    & skf21("5","1","3","2","4","1","5","1") = "4"
    & skf21("5","1","3","2","4","1","6","1") = "5"
    & skf21("5","1","3","2","4","1","7","1") = "6"
    & skf21("5","1","3","2","4","2","1","1") = "4"
    & skf21("5","1","3","2","4","2","2","1") = "4"
    & skf21("5","1","3","2","4","2","3","1") = "4"
    & skf21("5","1","3","2","4","2","4","1") = "4"
    & skf21("5","1","3","2","4","2","5","1") = "4"
    & skf21("5","1","3","2","4","2","6","1") = "5"
    & skf21("5","1","3","2","4","2","7","1") = "6"
    & skf21("5","1","3","2","4","3","1","1") = "4"
    & skf21("5","1","3","2","4","3","2","1") = "4"
    & skf21("5","1","3","2","4","3","3","1") = "4"
    & skf21("5","1","3","2","4","3","4","1") = "4"
    & skf21("5","1","3","2","4","3","5","1") = "4"
    & skf21("5","1","3","2","4","3","6","1") = "5"
    & skf21("5","1","3","2","4","3","7","1") = "6"
    & skf21("5","1","3","2","4","4","1","1") = "4"
    & skf21("5","1","3","2","4","4","2","1") = "4"
    & skf21("5","1","3","2","4","4","3","1") = "4"
    & skf21("5","1","3","2","4","4","4","1") = "4"
    & skf21("5","1","3","2","4","4","5","1") = "4"
    & skf21("5","1","3","2","4","4","6","1") = "5"
    & skf21("5","1","3","2","4","4","7","1") = "6"
    & skf21("5","1","3","2","4","5","1","1") = "4"
    & skf21("5","1","3","2","4","5","2","1") = "4"
    & skf21("5","1","3","2","4","5","3","1") = "4"
    & skf21("5","1","3","2","4","5","4","1") = "4"
    & skf21("5","1","3","2","4","5","5","1") = "4"
    & skf21("5","1","3","2","4","5","6","1") = "5"
    & skf21("5","1","3","2","4","5","7","1") = "6"
    & skf21("5","1","3","2","4","6","1","1") = "5"
    & skf21("5","1","3","2","4","6","2","1") = "5"
    & skf21("5","1","3","2","4","6","3","1") = "5"
    & skf21("5","1","3","2","4","6","4","1") = "5"
    & skf21("5","1","3","2","4","6","5","1") = "5"
    & skf21("5","1","3","2","4","6","6","1") = "5"
    & skf21("5","1","3","2","4","6","7","1") = "6"
    & skf21("5","1","3","2","4","7","1","1") = "6"
    & skf21("5","1","3","2","4","7","2","1") = "6"
    & skf21("5","1","3","2","4","7","3","1") = "6"
    & skf21("5","1","3","2","4","7","4","1") = "6"
    & skf21("5","1","3","2","4","7","5","1") = "6"
    & skf21("5","1","3","2","4","7","6","1") = "6"
    & skf21("5","1","3","2","4","7","7","1") = "6"
    & skf21("5","1","3","2","5","1","1","1") = "4"
    & skf21("5","1","3","2","5","1","2","1") = "4"
    & skf21("5","1","3","2","5","1","3","1") = "4"
    & skf21("5","1","3","2","5","1","4","1") = "4"
    & skf21("5","1","3","2","5","1","5","1") = "4"
    & skf21("5","1","3","2","5","1","6","1") = "5"
    & skf21("5","1","3","2","5","1","7","1") = "6"
    & skf21("5","1","3","2","5","2","1","1") = "4"
    & skf21("5","1","3","2","5","2","2","1") = "4"
    & skf21("5","1","3","2","5","2","3","1") = "4"
    & skf21("5","1","3","2","5","2","4","1") = "4"
    & skf21("5","1","3","2","5","2","5","1") = "4"
    & skf21("5","1","3","2","5","2","6","1") = "5"
    & skf21("5","1","3","2","5","2","7","1") = "6"
    & skf21("5","1","3","2","5","3","1","1") = "4"
    & skf21("5","1","3","2","5","3","2","1") = "4"
    & skf21("5","1","3","2","5","3","3","1") = "4"
    & skf21("5","1","3","2","5","3","4","1") = "4"
    & skf21("5","1","3","2","5","3","5","1") = "4"
    & skf21("5","1","3","2","5","3","6","1") = "5"
    & skf21("5","1","3","2","5","3","7","1") = "6"
    & skf21("5","1","3","2","5","4","1","1") = "4"
    & skf21("5","1","3","2","5","4","2","1") = "4"
    & skf21("5","1","3","2","5","4","3","1") = "4"
    & skf21("5","1","3","2","5","4","4","1") = "4"
    & skf21("5","1","3","2","5","4","5","1") = "4"
    & skf21("5","1","3","2","5","4","6","1") = "5"
    & skf21("5","1","3","2","5","4","7","1") = "6"
    & skf21("5","1","3","2","5","5","1","1") = "4"
    & skf21("5","1","3","2","5","5","2","1") = "4"
    & skf21("5","1","3","2","5","5","3","1") = "4"
    & skf21("5","1","3","2","5","5","4","1") = "4"
    & skf21("5","1","3","2","5","5","5","1") = "4"
    & skf21("5","1","3","2","5","5","6","1") = "5"
    & skf21("5","1","3","2","5","5","7","1") = "6"
    & skf21("5","1","3","2","5","6","1","1") = "5"
    & skf21("5","1","3","2","5","6","2","1") = "5"
    & skf21("5","1","3","2","5","6","3","1") = "5"
    & skf21("5","1","3","2","5","6","4","1") = "5"
    & skf21("5","1","3","2","5","6","5","1") = "5"
    & skf21("5","1","3","2","5","6","6","1") = "5"
    & skf21("5","1","3","2","5","6","7","1") = "6"
    & skf21("5","1","3","2","5","7","1","1") = "6"
    & skf21("5","1","3","2","5","7","2","1") = "6"
    & skf21("5","1","3","2","5","7","3","1") = "6"
    & skf21("5","1","3","2","5","7","4","1") = "6"
    & skf21("5","1","3","2","5","7","5","1") = "6"
    & skf21("5","1","3","2","5","7","6","1") = "6"
    & skf21("5","1","3","2","5","7","7","1") = "6"
    & skf21("5","1","3","2","6","1","1","1") = "5"
    & skf21("5","1","3","2","6","1","2","1") = "5"
    & skf21("5","1","3","2","6","1","3","1") = "5"
    & skf21("5","1","3","2","6","1","4","1") = "5"
    & skf21("5","1","3","2","6","1","5","1") = "5"
    & skf21("5","1","3","2","6","1","6","1") = "5"
    & skf21("5","1","3","2","6","1","7","1") = "6"
    & skf21("5","1","3","2","6","2","1","1") = "5"
    & skf21("5","1","3","2","6","2","2","1") = "5"
    & skf21("5","1","3","2","6","2","3","1") = "5"
    & skf21("5","1","3","2","6","2","4","1") = "5"
    & skf21("5","1","3","2","6","2","5","1") = "5"
    & skf21("5","1","3","2","6","2","6","1") = "5"
    & skf21("5","1","3","2","6","2","7","1") = "6"
    & skf21("5","1","3","2","6","3","1","1") = "5"
    & skf21("5","1","3","2","6","3","2","1") = "5"
    & skf21("5","1","3","2","6","3","3","1") = "5"
    & skf21("5","1","3","2","6","3","4","1") = "5"
    & skf21("5","1","3","2","6","3","5","1") = "5"
    & skf21("5","1","3","2","6","3","6","1") = "5"
    & skf21("5","1","3","2","6","3","7","1") = "6"
    & skf21("5","1","3","2","6","4","1","1") = "5"
    & skf21("5","1","3","2","6","4","2","1") = "5"
    & skf21("5","1","3","2","6","4","3","1") = "5"
    & skf21("5","1","3","2","6","4","4","1") = "5"
    & skf21("5","1","3","2","6","4","5","1") = "5"
    & skf21("5","1","3","2","6","4","6","1") = "5"
    & skf21("5","1","3","2","6","4","7","1") = "6"
    & skf21("5","1","3","2","6","5","1","1") = "5"
    & skf21("5","1","3","2","6","5","2","1") = "5"
    & skf21("5","1","3","2","6","5","3","1") = "5"
    & skf21("5","1","3","2","6","5","4","1") = "5"
    & skf21("5","1","3","2","6","5","5","1") = "5"
    & skf21("5","1","3","2","6","5","6","1") = "5"
    & skf21("5","1","3","2","6","5","7","1") = "6"
    & skf21("5","1","3","2","6","6","1","1") = "5"
    & skf21("5","1","3","2","6","6","2","1") = "5"
    & skf21("5","1","3","2","6","6","3","1") = "5"
    & skf21("5","1","3","2","6","6","4","1") = "5"
    & skf21("5","1","3","2","6","6","5","1") = "5"
    & skf21("5","1","3","2","6","6","6","1") = "5"
    & skf21("5","1","3","2","6","6","7","1") = "6"
    & skf21("5","1","3","2","6","7","1","1") = "6"
    & skf21("5","1","3","2","6","7","2","1") = "6"
    & skf21("5","1","3","2","6","7","3","1") = "6"
    & skf21("5","1","3","2","6","7","4","1") = "6"
    & skf21("5","1","3","2","6","7","5","1") = "6"
    & skf21("5","1","3","2","6","7","6","1") = "6"
    & skf21("5","1","3","2","6","7","7","1") = "6"
    & skf21("5","1","3","2","7","1","1","1") = "6"
    & skf21("5","1","3","2","7","1","2","1") = "6"
    & skf21("5","1","3","2","7","1","3","1") = "6"
    & skf21("5","1","3","2","7","1","4","1") = "6"
    & skf21("5","1","3","2","7","1","5","1") = "6"
    & skf21("5","1","3","2","7","1","6","1") = "6"
    & skf21("5","1","3","2","7","1","7","1") = "6"
    & skf21("5","1","3","2","7","2","1","1") = "6"
    & skf21("5","1","3","2","7","2","2","1") = "6"
    & skf21("5","1","3","2","7","2","3","1") = "6"
    & skf21("5","1","3","2","7","2","4","1") = "6"
    & skf21("5","1","3","2","7","2","5","1") = "6"
    & skf21("5","1","3","2","7","2","6","1") = "6"
    & skf21("5","1","3","2","7","2","7","1") = "6"
    & skf21("5","1","3","2","7","3","1","1") = "6"
    & skf21("5","1","3","2","7","3","2","1") = "6"
    & skf21("5","1","3","2","7","3","3","1") = "6"
    & skf21("5","1","3","2","7","3","4","1") = "6"
    & skf21("5","1","3","2","7","3","5","1") = "6"
    & skf21("5","1","3","2","7","3","6","1") = "6"
    & skf21("5","1","3","2","7","3","7","1") = "6"
    & skf21("5","1","3","2","7","4","1","1") = "6"
    & skf21("5","1","3","2","7","4","2","1") = "6"
    & skf21("5","1","3","2","7","4","3","1") = "6"
    & skf21("5","1","3","2","7","4","4","1") = "6"
    & skf21("5","1","3","2","7","4","5","1") = "6"
    & skf21("5","1","3","2","7","4","6","1") = "6"
    & skf21("5","1","3","2","7","4","7","1") = "6"
    & skf21("5","1","3","2","7","5","1","1") = "6"
    & skf21("5","1","3","2","7","5","2","1") = "6"
    & skf21("5","1","3","2","7","5","3","1") = "6"
    & skf21("5","1","3","2","7","5","4","1") = "6"
    & skf21("5","1","3","2","7","5","5","1") = "6"
    & skf21("5","1","3","2","7","5","6","1") = "6"
    & skf21("5","1","3","2","7","5","7","1") = "6"
    & skf21("5","1","3","2","7","6","1","1") = "6"
    & skf21("5","1","3","2","7","6","2","1") = "6"
    & skf21("5","1","3","2","7","6","3","1") = "6"
    & skf21("5","1","3","2","7","6","4","1") = "6"
    & skf21("5","1","3","2","7","6","5","1") = "6"
    & skf21("5","1","3","2","7","6","6","1") = "6"
    & skf21("5","1","3","2","7","6","7","1") = "6"
    & skf21("5","1","3","2","7","7","1","1") = "6"
    & skf21("5","1","3","2","7","7","2","1") = "6"
    & skf21("5","1","3","2","7","7","3","1") = "6"
    & skf21("5","1","3","2","7","7","4","1") = "6"
    & skf21("5","1","3","2","7","7","5","1") = "6"
    & skf21("5","1","3","2","7","7","6","1") = "6"
    & skf21("5","1","3","2","7","7","7","1") = "6"
    & skf21("5","1","3","3","1","1","1","1") = "4"
    & skf21("5","1","3","3","1","1","2","1") = "4"
    & skf21("5","1","3","3","1","1","3","1") = "4"
    & skf21("5","1","3","3","1","1","4","1") = "4"
    & skf21("5","1","3","3","1","1","5","1") = "4"
    & skf21("5","1","3","3","1","1","6","1") = "5"
    & skf21("5","1","3","3","1","1","7","1") = "6"
    & skf21("5","1","3","3","1","2","1","1") = "4"
    & skf21("5","1","3","3","1","2","2","1") = "4"
    & skf21("5","1","3","3","1","2","3","1") = "4"
    & skf21("5","1","3","3","1","2","4","1") = "4"
    & skf21("5","1","3","3","1","2","5","1") = "4"
    & skf21("5","1","3","3","1","2","6","1") = "5"
    & skf21("5","1","3","3","1","2","7","1") = "6"
    & skf21("5","1","3","3","1","3","1","1") = "4"
    & skf21("5","1","3","3","1","3","2","1") = "4"
    & skf21("5","1","3","3","1","3","3","1") = "4"
    & skf21("5","1","3","3","1","3","4","1") = "4"
    & skf21("5","1","3","3","1","3","5","1") = "4"
    & skf21("5","1","3","3","1","3","6","1") = "5"
    & skf21("5","1","3","3","1","3","7","1") = "6"
    & skf21("5","1","3","3","1","4","1","1") = "4"
    & skf21("5","1","3","3","1","4","2","1") = "4"
    & skf21("5","1","3","3","1","4","3","1") = "4"
    & skf21("5","1","3","3","1","4","4","1") = "4"
    & skf21("5","1","3","3","1","4","5","1") = "4"
    & skf21("5","1","3","3","1","4","6","1") = "5"
    & skf21("5","1","3","3","1","4","7","1") = "6"
    & skf21("5","1","3","3","1","5","1","1") = "4"
    & skf21("5","1","3","3","1","5","2","1") = "4"
    & skf21("5","1","3","3","1","5","3","1") = "4"
    & skf21("5","1","3","3","1","5","4","1") = "4"
    & skf21("5","1","3","3","1","5","5","1") = "4"
    & skf21("5","1","3","3","1","5","6","1") = "5"
    & skf21("5","1","3","3","1","5","7","1") = "6"
    & skf21("5","1","3","3","1","6","1","1") = "5"
    & skf21("5","1","3","3","1","6","2","1") = "5"
    & skf21("5","1","3","3","1","6","3","1") = "5"
    & skf21("5","1","3","3","1","6","4","1") = "5"
    & skf21("5","1","3","3","1","6","5","1") = "5"
    & skf21("5","1","3","3","1","6","6","1") = "5"
    & skf21("5","1","3","3","1","6","7","1") = "6"
    & skf21("5","1","3","3","1","7","1","1") = "6"
    & skf21("5","1","3","3","1","7","2","1") = "6"
    & skf21("5","1","3","3","1","7","3","1") = "6"
    & skf21("5","1","3","3","1","7","4","1") = "6"
    & skf21("5","1","3","3","1","7","5","1") = "6"
    & skf21("5","1","3","3","1","7","6","1") = "6"
    & skf21("5","1","3","3","1","7","7","1") = "6"
    & skf21("5","1","3","3","2","1","1","1") = "4"
    & skf21("5","1","3","3","2","1","2","1") = "4"
    & skf21("5","1","3","3","2","1","3","1") = "4"
    & skf21("5","1","3","3","2","1","4","1") = "4"
    & skf21("5","1","3","3","2","1","5","1") = "4"
    & skf21("5","1","3","3","2","1","6","1") = "5"
    & skf21("5","1","3","3","2","1","7","1") = "6"
    & skf21("5","1","3","3","2","2","1","1") = "4"
    & skf21("5","1","3","3","2","2","2","1") = "4"
    & skf21("5","1","3","3","2","2","3","1") = "4"
    & skf21("5","1","3","3","2","2","4","1") = "4"
    & skf21("5","1","3","3","2","2","5","1") = "4"
    & skf21("5","1","3","3","2","2","6","1") = "5"
    & skf21("5","1","3","3","2","2","7","1") = "6"
    & skf21("5","1","3","3","2","3","1","1") = "4"
    & skf21("5","1","3","3","2","3","2","1") = "4"
    & skf21("5","1","3","3","2","3","3","1") = "4"
    & skf21("5","1","3","3","2","3","4","1") = "4"
    & skf21("5","1","3","3","2","3","5","1") = "4"
    & skf21("5","1","3","3","2","3","6","1") = "5"
    & skf21("5","1","3","3","2","3","7","1") = "6"
    & skf21("5","1","3","3","2","4","1","1") = "4"
    & skf21("5","1","3","3","2","4","2","1") = "4"
    & skf21("5","1","3","3","2","4","3","1") = "4"
    & skf21("5","1","3","3","2","4","4","1") = "4"
    & skf21("5","1","3","3","2","4","5","1") = "4"
    & skf21("5","1","3","3","2","4","6","1") = "5"
    & skf21("5","1","3","3","2","4","7","1") = "6"
    & skf21("5","1","3","3","2","5","1","1") = "4"
    & skf21("5","1","3","3","2","5","2","1") = "4"
    & skf21("5","1","3","3","2","5","3","1") = "4"
    & skf21("5","1","3","3","2","5","4","1") = "4"
    & skf21("5","1","3","3","2","5","5","1") = "4"
    & skf21("5","1","3","3","2","5","6","1") = "5"
    & skf21("5","1","3","3","2","5","7","1") = "6"
    & skf21("5","1","3","3","2","6","1","1") = "5"
    & skf21("5","1","3","3","2","6","2","1") = "5"
    & skf21("5","1","3","3","2","6","3","1") = "5"
    & skf21("5","1","3","3","2","6","4","1") = "5"
    & skf21("5","1","3","3","2","6","5","1") = "5"
    & skf21("5","1","3","3","2","6","6","1") = "5"
    & skf21("5","1","3","3","2","6","7","1") = "6"
    & skf21("5","1","3","3","2","7","1","1") = "6"
    & skf21("5","1","3","3","2","7","2","1") = "6"
    & skf21("5","1","3","3","2","7","3","1") = "6"
    & skf21("5","1","3","3","2","7","4","1") = "6"
    & skf21("5","1","3","3","2","7","5","1") = "6"
    & skf21("5","1","3","3","2","7","6","1") = "6"
    & skf21("5","1","3","3","2","7","7","1") = "6"
    & skf21("5","1","3","3","3","1","1","1") = "4"
    & skf21("5","1","3","3","3","1","2","1") = "4"
    & skf21("5","1","3","3","3","1","3","1") = "4"
    & skf21("5","1","3","3","3","1","4","1") = "4"
    & skf21("5","1","3","3","3","1","5","1") = "4"
    & skf21("5","1","3","3","3","1","6","1") = "5"
    & skf21("5","1","3","3","3","1","7","1") = "6"
    & skf21("5","1","3","3","3","2","1","1") = "4"
    & skf21("5","1","3","3","3","2","2","1") = "4"
    & skf21("5","1","3","3","3","2","3","1") = "4"
    & skf21("5","1","3","3","3","2","4","1") = "4"
    & skf21("5","1","3","3","3","2","5","1") = "4"
    & skf21("5","1","3","3","3","2","6","1") = "5"
    & skf21("5","1","3","3","3","2","7","1") = "6"
    & skf21("5","1","3","3","3","3","1","1") = "4"
    & skf21("5","1","3","3","3","3","2","1") = "4"
    & skf21("5","1","3","3","3","3","3","1") = "4"
    & skf21("5","1","3","3","3","3","4","1") = "4"
    & skf21("5","1","3","3","3","3","5","1") = "4"
    & skf21("5","1","3","3","3","3","6","1") = "5"
    & skf21("5","1","3","3","3","3","7","1") = "6"
    & skf21("5","1","3","3","3","4","1","1") = "4"
    & skf21("5","1","3","3","3","4","2","1") = "4"
    & skf21("5","1","3","3","3","4","3","1") = "4"
    & skf21("5","1","3","3","3","4","4","1") = "4"
    & skf21("5","1","3","3","3","4","5","1") = "4"
    & skf21("5","1","3","3","3","4","6","1") = "5"
    & skf21("5","1","3","3","3","4","7","1") = "6"
    & skf21("5","1","3","3","3","5","1","1") = "4"
    & skf21("5","1","3","3","3","5","2","1") = "4"
    & skf21("5","1","3","3","3","5","3","1") = "4"
    & skf21("5","1","3","3","3","5","4","1") = "4"
    & skf21("5","1","3","3","3","5","5","1") = "4"
    & skf21("5","1","3","3","3","5","6","1") = "5"
    & skf21("5","1","3","3","3","5","7","1") = "6"
    & skf21("5","1","3","3","3","6","1","1") = "5"
    & skf21("5","1","3","3","3","6","2","1") = "5"
    & skf21("5","1","3","3","3","6","3","1") = "5"
    & skf21("5","1","3","3","3","6","4","1") = "5"
    & skf21("5","1","3","3","3","6","5","1") = "5"
    & skf21("5","1","3","3","3","6","6","1") = "5"
    & skf21("5","1","3","3","3","6","7","1") = "6"
    & skf21("5","1","3","3","3","7","1","1") = "6"
    & skf21("5","1","3","3","3","7","2","1") = "6"
    & skf21("5","1","3","3","3","7","3","1") = "6"
    & skf21("5","1","3","3","3","7","4","1") = "6"
    & skf21("5","1","3","3","3","7","5","1") = "6"
    & skf21("5","1","3","3","3","7","6","1") = "6"
    & skf21("5","1","3","3","3","7","7","1") = "6"
    & skf21("5","1","3","3","4","1","1","1") = "4"
    & skf21("5","1","3","3","4","1","2","1") = "4"
    & skf21("5","1","3","3","4","1","3","1") = "4"
    & skf21("5","1","3","3","4","1","4","1") = "4"
    & skf21("5","1","3","3","4","1","5","1") = "4"
    & skf21("5","1","3","3","4","1","6","1") = "5"
    & skf21("5","1","3","3","4","1","7","1") = "6"
    & skf21("5","1","3","3","4","2","1","1") = "4"
    & skf21("5","1","3","3","4","2","2","1") = "4"
    & skf21("5","1","3","3","4","2","3","1") = "4"
    & skf21("5","1","3","3","4","2","4","1") = "4"
    & skf21("5","1","3","3","4","2","5","1") = "4"
    & skf21("5","1","3","3","4","2","6","1") = "5"
    & skf21("5","1","3","3","4","2","7","1") = "6"
    & skf21("5","1","3","3","4","3","1","1") = "4"
    & skf21("5","1","3","3","4","3","2","1") = "4"
    & skf21("5","1","3","3","4","3","3","1") = "4"
    & skf21("5","1","3","3","4","3","4","1") = "4"
    & skf21("5","1","3","3","4","3","5","1") = "4"
    & skf21("5","1","3","3","4","3","6","1") = "5"
    & skf21("5","1","3","3","4","3","7","1") = "6"
    & skf21("5","1","3","3","4","4","1","1") = "4"
    & skf21("5","1","3","3","4","4","2","1") = "4"
    & skf21("5","1","3","3","4","4","3","1") = "4"
    & skf21("5","1","3","3","4","4","4","1") = "4"
    & skf21("5","1","3","3","4","4","5","1") = "4"
    & skf21("5","1","3","3","4","4","6","1") = "5"
    & skf21("5","1","3","3","4","4","7","1") = "6"
    & skf21("5","1","3","3","4","5","1","1") = "4"
    & skf21("5","1","3","3","4","5","2","1") = "4"
    & skf21("5","1","3","3","4","5","3","1") = "4"
    & skf21("5","1","3","3","4","5","4","1") = "4"
    & skf21("5","1","3","3","4","5","5","1") = "4"
    & skf21("5","1","3","3","4","5","6","1") = "5"
    & skf21("5","1","3","3","4","5","7","1") = "6"
    & skf21("5","1","3","3","4","6","1","1") = "5"
    & skf21("5","1","3","3","4","6","2","1") = "5"
    & skf21("5","1","3","3","4","6","3","1") = "5"
    & skf21("5","1","3","3","4","6","4","1") = "5"
    & skf21("5","1","3","3","4","6","5","1") = "5"
    & skf21("5","1","3","3","4","6","6","1") = "5"
    & skf21("5","1","3","3","4","6","7","1") = "6"
    & skf21("5","1","3","3","4","7","1","1") = "6"
    & skf21("5","1","3","3","4","7","2","1") = "6"
    & skf21("5","1","3","3","4","7","3","1") = "6"
    & skf21("5","1","3","3","4","7","4","1") = "6"
    & skf21("5","1","3","3","4","7","5","1") = "6"
    & skf21("5","1","3","3","4","7","6","1") = "6"
    & skf21("5","1","3","3","4","7","7","1") = "6"
    & skf21("5","1","3","3","5","1","1","1") = "4"
    & skf21("5","1","3","3","5","1","2","1") = "4"
    & skf21("5","1","3","3","5","1","3","1") = "4"
    & skf21("5","1","3","3","5","1","4","1") = "4"
    & skf21("5","1","3","3","5","1","5","1") = "4"
    & skf21("5","1","3","3","5","1","6","1") = "5"
    & skf21("5","1","3","3","5","1","7","1") = "6"
    & skf21("5","1","3","3","5","2","1","1") = "4"
    & skf21("5","1","3","3","5","2","2","1") = "4"
    & skf21("5","1","3","3","5","2","3","1") = "4"
    & skf21("5","1","3","3","5","2","4","1") = "4"
    & skf21("5","1","3","3","5","2","5","1") = "4"
    & skf21("5","1","3","3","5","2","6","1") = "5"
    & skf21("5","1","3","3","5","2","7","1") = "6"
    & skf21("5","1","3","3","5","3","1","1") = "4"
    & skf21("5","1","3","3","5","3","2","1") = "4"
    & skf21("5","1","3","3","5","3","3","1") = "4"
    & skf21("5","1","3","3","5","3","4","1") = "4"
    & skf21("5","1","3","3","5","3","5","1") = "4"
    & skf21("5","1","3","3","5","3","6","1") = "5"
    & skf21("5","1","3","3","5","3","7","1") = "6"
    & skf21("5","1","3","3","5","4","1","1") = "4"
    & skf21("5","1","3","3","5","4","2","1") = "4"
    & skf21("5","1","3","3","5","4","3","1") = "4"
    & skf21("5","1","3","3","5","4","4","1") = "4"
    & skf21("5","1","3","3","5","4","5","1") = "4"
    & skf21("5","1","3","3","5","4","6","1") = "5"
    & skf21("5","1","3","3","5","4","7","1") = "6"
    & skf21("5","1","3","3","5","5","1","1") = "4"
    & skf21("5","1","3","3","5","5","2","1") = "4"
    & skf21("5","1","3","3","5","5","3","1") = "4"
    & skf21("5","1","3","3","5","5","4","1") = "4"
    & skf21("5","1","3","3","5","5","5","1") = "4"
    & skf21("5","1","3","3","5","5","6","1") = "5"
    & skf21("5","1","3","3","5","5","7","1") = "6"
    & skf21("5","1","3","3","5","6","1","1") = "5"
    & skf21("5","1","3","3","5","6","2","1") = "5"
    & skf21("5","1","3","3","5","6","3","1") = "5"
    & skf21("5","1","3","3","5","6","4","1") = "5"
    & skf21("5","1","3","3","5","6","5","1") = "5"
    & skf21("5","1","3","3","5","6","6","1") = "5"
    & skf21("5","1","3","3","5","6","7","1") = "6"
    & skf21("5","1","3","3","5","7","1","1") = "6"
    & skf21("5","1","3","3","5","7","2","1") = "6"
    & skf21("5","1","3","3","5","7","3","1") = "6"
    & skf21("5","1","3","3","5","7","4","1") = "6"
    & skf21("5","1","3","3","5","7","5","1") = "6"
    & skf21("5","1","3","3","5","7","6","1") = "6"
    & skf21("5","1","3","3","5","7","7","1") = "6"
    & skf21("5","1","3","3","6","1","1","1") = "5"
    & skf21("5","1","3","3","6","1","2","1") = "5"
    & skf21("5","1","3","3","6","1","3","1") = "5"
    & skf21("5","1","3","3","6","1","4","1") = "5"
    & skf21("5","1","3","3","6","1","5","1") = "5"
    & skf21("5","1","3","3","6","1","6","1") = "5"
    & skf21("5","1","3","3","6","1","7","1") = "6"
    & skf21("5","1","3","3","6","2","1","1") = "5"
    & skf21("5","1","3","3","6","2","2","1") = "5"
    & skf21("5","1","3","3","6","2","3","1") = "5"
    & skf21("5","1","3","3","6","2","4","1") = "5"
    & skf21("5","1","3","3","6","2","5","1") = "5"
    & skf21("5","1","3","3","6","2","6","1") = "5"
    & skf21("5","1","3","3","6","2","7","1") = "6"
    & skf21("5","1","3","3","6","3","1","1") = "5"
    & skf21("5","1","3","3","6","3","2","1") = "5"
    & skf21("5","1","3","3","6","3","3","1") = "5"
    & skf21("5","1","3","3","6","3","4","1") = "5"
    & skf21("5","1","3","3","6","3","5","1") = "5"
    & skf21("5","1","3","3","6","3","6","1") = "5"
    & skf21("5","1","3","3","6","3","7","1") = "6"
    & skf21("5","1","3","3","6","4","1","1") = "5"
    & skf21("5","1","3","3","6","4","2","1") = "5"
    & skf21("5","1","3","3","6","4","3","1") = "5"
    & skf21("5","1","3","3","6","4","4","1") = "5"
    & skf21("5","1","3","3","6","4","5","1") = "5"
    & skf21("5","1","3","3","6","4","6","1") = "5"
    & skf21("5","1","3","3","6","4","7","1") = "6"
    & skf21("5","1","3","3","6","5","1","1") = "5"
    & skf21("5","1","3","3","6","5","2","1") = "5"
    & skf21("5","1","3","3","6","5","3","1") = "5"
    & skf21("5","1","3","3","6","5","4","1") = "5"
    & skf21("5","1","3","3","6","5","5","1") = "5"
    & skf21("5","1","3","3","6","5","6","1") = "5"
    & skf21("5","1","3","3","6","5","7","1") = "6"
    & skf21("5","1","3","3","6","6","1","1") = "5"
    & skf21("5","1","3","3","6","6","2","1") = "5"
    & skf21("5","1","3","3","6","6","3","1") = "5"
    & skf21("5","1","3","3","6","6","4","1") = "5"
    & skf21("5","1","3","3","6","6","5","1") = "5"
    & skf21("5","1","3","3","6","6","6","1") = "5"
    & skf21("5","1","3","3","6","6","7","1") = "6"
    & skf21("5","1","3","3","6","7","1","1") = "6"
    & skf21("5","1","3","3","6","7","2","1") = "6"
    & skf21("5","1","3","3","6","7","3","1") = "6"
    & skf21("5","1","3","3","6","7","4","1") = "6"
    & skf21("5","1","3","3","6","7","5","1") = "6"
    & skf21("5","1","3","3","6","7","6","1") = "6"
    & skf21("5","1","3","3","6","7","7","1") = "6"
    & skf21("5","1","3","3","7","1","1","1") = "6"
    & skf21("5","1","3","3","7","1","2","1") = "6"
    & skf21("5","1","3","3","7","1","3","1") = "6"
    & skf21("5","1","3","3","7","1","4","1") = "6"
    & skf21("5","1","3","3","7","1","5","1") = "6"
    & skf21("5","1","3","3","7","1","6","1") = "6"
    & skf21("5","1","3","3","7","1","7","1") = "6"
    & skf21("5","1","3","3","7","2","1","1") = "6"
    & skf21("5","1","3","3","7","2","2","1") = "6"
    & skf21("5","1","3","3","7","2","3","1") = "6"
    & skf21("5","1","3","3","7","2","4","1") = "6"
    & skf21("5","1","3","3","7","2","5","1") = "6"
    & skf21("5","1","3","3","7","2","6","1") = "6"
    & skf21("5","1","3","3","7","2","7","1") = "6"
    & skf21("5","1","3","3","7","3","1","1") = "6"
    & skf21("5","1","3","3","7","3","2","1") = "6"
    & skf21("5","1","3","3","7","3","3","1") = "6"
    & skf21("5","1","3","3","7","3","4","1") = "6"
    & skf21("5","1","3","3","7","3","5","1") = "6"
    & skf21("5","1","3","3","7","3","6","1") = "6"
    & skf21("5","1","3","3","7","3","7","1") = "6"
    & skf21("5","1","3","3","7","4","1","1") = "6"
    & skf21("5","1","3","3","7","4","2","1") = "6"
    & skf21("5","1","3","3","7","4","3","1") = "6"
    & skf21("5","1","3","3","7","4","4","1") = "6"
    & skf21("5","1","3","3","7","4","5","1") = "6"
    & skf21("5","1","3","3","7","4","6","1") = "6"
    & skf21("5","1","3","3","7","4","7","1") = "6"
    & skf21("5","1","3","3","7","5","1","1") = "6"
    & skf21("5","1","3","3","7","5","2","1") = "6"
    & skf21("5","1","3","3","7","5","3","1") = "6"
    & skf21("5","1","3","3","7","5","4","1") = "6"
    & skf21("5","1","3","3","7","5","5","1") = "6"
    & skf21("5","1","3","3","7","5","6","1") = "6"
    & skf21("5","1","3","3","7","5","7","1") = "6"
    & skf21("5","1","3","3","7","6","1","1") = "6"
    & skf21("5","1","3","3","7","6","2","1") = "6"
    & skf21("5","1","3","3","7","6","3","1") = "6"
    & skf21("5","1","3","3","7","6","4","1") = "6"
    & skf21("5","1","3","3","7","6","5","1") = "6"
    & skf21("5","1","3","3","7","6","6","1") = "6"
    & skf21("5","1","3","3","7","6","7","1") = "6"
    & skf21("5","1","3","3","7","7","1","1") = "6"
    & skf21("5","1","3","3","7","7","2","1") = "6"
    & skf21("5","1","3","3","7","7","3","1") = "6"
    & skf21("5","1","3","3","7","7","4","1") = "6"
    & skf21("5","1","3","3","7","7","5","1") = "6"
    & skf21("5","1","3","3","7","7","6","1") = "6"
    & skf21("5","1","3","3","7","7","7","1") = "6"
    & skf21("5","1","3","4","1","1","1","1") = "4"
    & skf21("5","1","3","4","1","1","2","1") = "4"
    & skf21("5","1","3","4","1","1","3","1") = "4"
    & skf21("5","1","3","4","1","1","4","1") = "4"
    & skf21("5","1","3","4","1","1","5","1") = "4"
    & skf21("5","1","3","4","1","1","6","1") = "5"
    & skf21("5","1","3","4","1","1","7","1") = "6"
    & skf21("5","1","3","4","1","2","1","1") = "4"
    & skf21("5","1","3","4","1","2","2","1") = "4"
    & skf21("5","1","3","4","1","2","3","1") = "4"
    & skf21("5","1","3","4","1","2","4","1") = "4"
    & skf21("5","1","3","4","1","2","5","1") = "4"
    & skf21("5","1","3","4","1","2","6","1") = "5"
    & skf21("5","1","3","4","1","2","7","1") = "6"
    & skf21("5","1","3","4","1","3","1","1") = "4"
    & skf21("5","1","3","4","1","3","2","1") = "4"
    & skf21("5","1","3","4","1","3","3","1") = "4"
    & skf21("5","1","3","4","1","3","4","1") = "4"
    & skf21("5","1","3","4","1","3","5","1") = "4"
    & skf21("5","1","3","4","1","3","6","1") = "5"
    & skf21("5","1","3","4","1","3","7","1") = "6"
    & skf21("5","1","3","4","1","4","1","1") = "4"
    & skf21("5","1","3","4","1","4","2","1") = "4"
    & skf21("5","1","3","4","1","4","3","1") = "4"
    & skf21("5","1","3","4","1","4","4","1") = "4"
    & skf21("5","1","3","4","1","4","5","1") = "4"
    & skf21("5","1","3","4","1","4","6","1") = "5"
    & skf21("5","1","3","4","1","4","7","1") = "6"
    & skf21("5","1","3","4","1","5","1","1") = "4"
    & skf21("5","1","3","4","1","5","2","1") = "4"
    & skf21("5","1","3","4","1","5","3","1") = "4"
    & skf21("5","1","3","4","1","5","4","1") = "4"
    & skf21("5","1","3","4","1","5","5","1") = "4"
    & skf21("5","1","3","4","1","5","6","1") = "5"
    & skf21("5","1","3","4","1","5","7","1") = "6"
    & skf21("5","1","3","4","1","6","1","1") = "5"
    & skf21("5","1","3","4","1","6","2","1") = "5"
    & skf21("5","1","3","4","1","6","3","1") = "5"
    & skf21("5","1","3","4","1","6","4","1") = "5"
    & skf21("5","1","3","4","1","6","5","1") = "5"
    & skf21("5","1","3","4","1","6","6","1") = "5"
    & skf21("5","1","3","4","1","6","7","1") = "6"
    & skf21("5","1","3","4","1","7","1","1") = "6"
    & skf21("5","1","3","4","1","7","2","1") = "6"
    & skf21("5","1","3","4","1","7","3","1") = "6"
    & skf21("5","1","3","4","1","7","4","1") = "6"
    & skf21("5","1","3","4","1","7","5","1") = "6"
    & skf21("5","1","3","4","1","7","6","1") = "6"
    & skf21("5","1","3","4","1","7","7","1") = "6"
    & skf21("5","1","3","4","2","1","1","1") = "4"
    & skf21("5","1","3","4","2","1","2","1") = "4"
    & skf21("5","1","3","4","2","1","3","1") = "4"
    & skf21("5","1","3","4","2","1","4","1") = "4"
    & skf21("5","1","3","4","2","1","5","1") = "4"
    & skf21("5","1","3","4","2","1","6","1") = "5"
    & skf21("5","1","3","4","2","1","7","1") = "6"
    & skf21("5","1","3","4","2","2","1","1") = "4"
    & skf21("5","1","3","4","2","2","2","1") = "4"
    & skf21("5","1","3","4","2","2","3","1") = "4"
    & skf21("5","1","3","4","2","2","4","1") = "4"
    & skf21("5","1","3","4","2","2","5","1") = "4"
    & skf21("5","1","3","4","2","2","6","1") = "5"
    & skf21("5","1","3","4","2","2","7","1") = "6"
    & skf21("5","1","3","4","2","3","1","1") = "4"
    & skf21("5","1","3","4","2","3","2","1") = "4"
    & skf21("5","1","3","4","2","3","3","1") = "4"
    & skf21("5","1","3","4","2","3","4","1") = "4"
    & skf21("5","1","3","4","2","3","5","1") = "4"
    & skf21("5","1","3","4","2","3","6","1") = "5"
    & skf21("5","1","3","4","2","3","7","1") = "6"
    & skf21("5","1","3","4","2","4","1","1") = "4"
    & skf21("5","1","3","4","2","4","2","1") = "4"
    & skf21("5","1","3","4","2","4","3","1") = "4"
    & skf21("5","1","3","4","2","4","4","1") = "4"
    & skf21("5","1","3","4","2","4","5","1") = "4"
    & skf21("5","1","3","4","2","4","6","1") = "5"
    & skf21("5","1","3","4","2","4","7","1") = "6"
    & skf21("5","1","3","4","2","5","1","1") = "4"
    & skf21("5","1","3","4","2","5","2","1") = "4"
    & skf21("5","1","3","4","2","5","3","1") = "4"
    & skf21("5","1","3","4","2","5","4","1") = "4"
    & skf21("5","1","3","4","2","5","5","1") = "4"
    & skf21("5","1","3","4","2","5","6","1") = "5"
    & skf21("5","1","3","4","2","5","7","1") = "6"
    & skf21("5","1","3","4","2","6","1","1") = "5"
    & skf21("5","1","3","4","2","6","2","1") = "5"
    & skf21("5","1","3","4","2","6","3","1") = "5"
    & skf21("5","1","3","4","2","6","4","1") = "5"
    & skf21("5","1","3","4","2","6","5","1") = "5"
    & skf21("5","1","3","4","2","6","6","1") = "5"
    & skf21("5","1","3","4","2","6","7","1") = "6"
    & skf21("5","1","3","4","2","7","1","1") = "6"
    & skf21("5","1","3","4","2","7","2","1") = "6"
    & skf21("5","1","3","4","2","7","3","1") = "6"
    & skf21("5","1","3","4","2","7","4","1") = "6"
    & skf21("5","1","3","4","2","7","5","1") = "6"
    & skf21("5","1","3","4","2","7","6","1") = "6"
    & skf21("5","1","3","4","2","7","7","1") = "6"
    & skf21("5","1","3","4","3","1","1","1") = "4"
    & skf21("5","1","3","4","3","1","2","1") = "4"
    & skf21("5","1","3","4","3","1","3","1") = "4"
    & skf21("5","1","3","4","3","1","4","1") = "4"
    & skf21("5","1","3","4","3","1","5","1") = "4"
    & skf21("5","1","3","4","3","1","6","1") = "5"
    & skf21("5","1","3","4","3","1","7","1") = "6"
    & skf21("5","1","3","4","3","2","1","1") = "4"
    & skf21("5","1","3","4","3","2","2","1") = "4"
    & skf21("5","1","3","4","3","2","3","1") = "4"
    & skf21("5","1","3","4","3","2","4","1") = "4"
    & skf21("5","1","3","4","3","2","5","1") = "4"
    & skf21("5","1","3","4","3","2","6","1") = "5"
    & skf21("5","1","3","4","3","2","7","1") = "6"
    & skf21("5","1","3","4","3","3","1","1") = "4"
    & skf21("5","1","3","4","3","3","2","1") = "4"
    & skf21("5","1","3","4","3","3","3","1") = "4"
    & skf21("5","1","3","4","3","3","4","1") = "4"
    & skf21("5","1","3","4","3","3","5","1") = "4"
    & skf21("5","1","3","4","3","3","6","1") = "5"
    & skf21("5","1","3","4","3","3","7","1") = "6"
    & skf21("5","1","3","4","3","4","1","1") = "4"
    & skf21("5","1","3","4","3","4","2","1") = "4"
    & skf21("5","1","3","4","3","4","3","1") = "4"
    & skf21("5","1","3","4","3","4","4","1") = "4"
    & skf21("5","1","3","4","3","4","5","1") = "4"
    & skf21("5","1","3","4","3","4","6","1") = "5"
    & skf21("5","1","3","4","3","4","7","1") = "6"
    & skf21("5","1","3","4","3","5","1","1") = "4"
    & skf21("5","1","3","4","3","5","2","1") = "4"
    & skf21("5","1","3","4","3","5","3","1") = "4"
    & skf21("5","1","3","4","3","5","4","1") = "4"
    & skf21("5","1","3","4","3","5","5","1") = "4"
    & skf21("5","1","3","4","3","5","6","1") = "5"
    & skf21("5","1","3","4","3","5","7","1") = "6"
    & skf21("5","1","3","4","3","6","1","1") = "5"
    & skf21("5","1","3","4","3","6","2","1") = "5"
    & skf21("5","1","3","4","3","6","3","1") = "5"
    & skf21("5","1","3","4","3","6","4","1") = "5"
    & skf21("5","1","3","4","3","6","5","1") = "5"
    & skf21("5","1","3","4","3","6","6","1") = "5"
    & skf21("5","1","3","4","3","6","7","1") = "6"
    & skf21("5","1","3","4","3","7","1","1") = "6"
    & skf21("5","1","3","4","3","7","2","1") = "6"
    & skf21("5","1","3","4","3","7","3","1") = "6"
    & skf21("5","1","3","4","3","7","4","1") = "6"
    & skf21("5","1","3","4","3","7","5","1") = "6"
    & skf21("5","1","3","4","3","7","6","1") = "6"
    & skf21("5","1","3","4","3","7","7","1") = "6"
    & skf21("5","1","3","4","4","1","1","1") = "4"
    & skf21("5","1","3","4","4","1","2","1") = "4"
    & skf21("5","1","3","4","4","1","3","1") = "4"
    & skf21("5","1","3","4","4","1","4","1") = "4"
    & skf21("5","1","3","4","4","1","5","1") = "4"
    & skf21("5","1","3","4","4","1","6","1") = "5"
    & skf21("5","1","3","4","4","1","7","1") = "6"
    & skf21("5","1","3","4","4","2","1","1") = "4"
    & skf21("5","1","3","4","4","2","2","1") = "4"
    & skf21("5","1","3","4","4","2","3","1") = "4"
    & skf21("5","1","3","4","4","2","4","1") = "4"
    & skf21("5","1","3","4","4","2","5","1") = "4"
    & skf21("5","1","3","4","4","2","6","1") = "5"
    & skf21("5","1","3","4","4","2","7","1") = "6"
    & skf21("5","1","3","4","4","3","1","1") = "4"
    & skf21("5","1","3","4","4","3","2","1") = "4"
    & skf21("5","1","3","4","4","3","3","1") = "4"
    & skf21("5","1","3","4","4","3","4","1") = "4"
    & skf21("5","1","3","4","4","3","5","1") = "4"
    & skf21("5","1","3","4","4","3","6","1") = "5"
    & skf21("5","1","3","4","4","3","7","1") = "6"
    & skf21("5","1","3","4","4","4","1","1") = "4"
    & skf21("5","1","3","4","4","4","2","1") = "4"
    & skf21("5","1","3","4","4","4","3","1") = "4"
    & skf21("5","1","3","4","4","4","4","1") = "4"
    & skf21("5","1","3","4","4","4","5","1") = "4"
    & skf21("5","1","3","4","4","4","6","1") = "5"
    & skf21("5","1","3","4","4","4","7","1") = "6"
    & skf21("5","1","3","4","4","5","1","1") = "4"
    & skf21("5","1","3","4","4","5","2","1") = "4"
    & skf21("5","1","3","4","4","5","3","1") = "4"
    & skf21("5","1","3","4","4","5","4","1") = "4"
    & skf21("5","1","3","4","4","5","5","1") = "4"
    & skf21("5","1","3","4","4","5","6","1") = "5"
    & skf21("5","1","3","4","4","5","7","1") = "6"
    & skf21("5","1","3","4","4","6","1","1") = "5"
    & skf21("5","1","3","4","4","6","2","1") = "5"
    & skf21("5","1","3","4","4","6","3","1") = "5"
    & skf21("5","1","3","4","4","6","4","1") = "5"
    & skf21("5","1","3","4","4","6","5","1") = "5"
    & skf21("5","1","3","4","4","6","6","1") = "5"
    & skf21("5","1","3","4","4","6","7","1") = "6"
    & skf21("5","1","3","4","4","7","1","1") = "6"
    & skf21("5","1","3","4","4","7","2","1") = "6"
    & skf21("5","1","3","4","4","7","3","1") = "6"
    & skf21("5","1","3","4","4","7","4","1") = "6"
    & skf21("5","1","3","4","4","7","5","1") = "6"
    & skf21("5","1","3","4","4","7","6","1") = "6"
    & skf21("5","1","3","4","4","7","7","1") = "6"
    & skf21("5","1","3","4","5","1","1","1") = "4"
    & skf21("5","1","3","4","5","1","2","1") = "4"
    & skf21("5","1","3","4","5","1","3","1") = "4"
    & skf21("5","1","3","4","5","1","4","1") = "4"
    & skf21("5","1","3","4","5","1","5","1") = "4"
    & skf21("5","1","3","4","5","1","6","1") = "5"
    & skf21("5","1","3","4","5","1","7","1") = "6"
    & skf21("5","1","3","4","5","2","1","1") = "4"
    & skf21("5","1","3","4","5","2","2","1") = "4"
    & skf21("5","1","3","4","5","2","3","1") = "4"
    & skf21("5","1","3","4","5","2","4","1") = "4"
    & skf21("5","1","3","4","5","2","5","1") = "4"
    & skf21("5","1","3","4","5","2","6","1") = "5"
    & skf21("5","1","3","4","5","2","7","1") = "6"
    & skf21("5","1","3","4","5","3","1","1") = "4"
    & skf21("5","1","3","4","5","3","2","1") = "4"
    & skf21("5","1","3","4","5","3","3","1") = "4"
    & skf21("5","1","3","4","5","3","4","1") = "4"
    & skf21("5","1","3","4","5","3","5","1") = "4"
    & skf21("5","1","3","4","5","3","6","1") = "5"
    & skf21("5","1","3","4","5","3","7","1") = "6"
    & skf21("5","1","3","4","5","4","1","1") = "4"
    & skf21("5","1","3","4","5","4","2","1") = "4"
    & skf21("5","1","3","4","5","4","3","1") = "4"
    & skf21("5","1","3","4","5","4","4","1") = "4"
    & skf21("5","1","3","4","5","4","5","1") = "4"
    & skf21("5","1","3","4","5","4","6","1") = "5"
    & skf21("5","1","3","4","5","4","7","1") = "6"
    & skf21("5","1","3","4","5","5","1","1") = "4"
    & skf21("5","1","3","4","5","5","2","1") = "4"
    & skf21("5","1","3","4","5","5","3","1") = "4"
    & skf21("5","1","3","4","5","5","4","1") = "4"
    & skf21("5","1","3","4","5","5","5","1") = "4"
    & skf21("5","1","3","4","5","5","6","1") = "5"
    & skf21("5","1","3","4","5","5","7","1") = "6"
    & skf21("5","1","3","4","5","6","1","1") = "5"
    & skf21("5","1","3","4","5","6","2","1") = "5"
    & skf21("5","1","3","4","5","6","3","1") = "5"
    & skf21("5","1","3","4","5","6","4","1") = "5"
    & skf21("5","1","3","4","5","6","5","1") = "5"
    & skf21("5","1","3","4","5","6","6","1") = "5"
    & skf21("5","1","3","4","5","6","7","1") = "6"
    & skf21("5","1","3","4","5","7","1","1") = "6"
    & skf21("5","1","3","4","5","7","2","1") = "6"
    & skf21("5","1","3","4","5","7","3","1") = "6"
    & skf21("5","1","3","4","5","7","4","1") = "6"
    & skf21("5","1","3","4","5","7","5","1") = "6"
    & skf21("5","1","3","4","5","7","6","1") = "6"
    & skf21("5","1","3","4","5","7","7","1") = "6"
    & skf21("5","1","3","4","6","1","1","1") = "5"
    & skf21("5","1","3","4","6","1","2","1") = "5"
    & skf21("5","1","3","4","6","1","3","1") = "5"
    & skf21("5","1","3","4","6","1","4","1") = "5"
    & skf21("5","1","3","4","6","1","5","1") = "5"
    & skf21("5","1","3","4","6","1","6","1") = "5"
    & skf21("5","1","3","4","6","1","7","1") = "6"
    & skf21("5","1","3","4","6","2","1","1") = "5"
    & skf21("5","1","3","4","6","2","2","1") = "5"
    & skf21("5","1","3","4","6","2","3","1") = "5"
    & skf21("5","1","3","4","6","2","4","1") = "5"
    & skf21("5","1","3","4","6","2","5","1") = "5"
    & skf21("5","1","3","4","6","2","6","1") = "5"
    & skf21("5","1","3","4","6","2","7","1") = "6"
    & skf21("5","1","3","4","6","3","1","1") = "5"
    & skf21("5","1","3","4","6","3","2","1") = "5"
    & skf21("5","1","3","4","6","3","3","1") = "5"
    & skf21("5","1","3","4","6","3","4","1") = "5"
    & skf21("5","1","3","4","6","3","5","1") = "5"
    & skf21("5","1","3","4","6","3","6","1") = "5"
    & skf21("5","1","3","4","6","3","7","1") = "6"
    & skf21("5","1","3","4","6","4","1","1") = "5"
    & skf21("5","1","3","4","6","4","2","1") = "5"
    & skf21("5","1","3","4","6","4","3","1") = "5"
    & skf21("5","1","3","4","6","4","4","1") = "5"
    & skf21("5","1","3","4","6","4","5","1") = "5"
    & skf21("5","1","3","4","6","4","6","1") = "5"
    & skf21("5","1","3","4","6","4","7","1") = "6"
    & skf21("5","1","3","4","6","5","1","1") = "5"
    & skf21("5","1","3","4","6","5","2","1") = "5"
    & skf21("5","1","3","4","6","5","3","1") = "5"
    & skf21("5","1","3","4","6","5","4","1") = "5"
    & skf21("5","1","3","4","6","5","5","1") = "5"
    & skf21("5","1","3","4","6","5","6","1") = "5"
    & skf21("5","1","3","4","6","5","7","1") = "6"
    & skf21("5","1","3","4","6","6","1","1") = "5"
    & skf21("5","1","3","4","6","6","2","1") = "5"
    & skf21("5","1","3","4","6","6","3","1") = "5"
    & skf21("5","1","3","4","6","6","4","1") = "5"
    & skf21("5","1","3","4","6","6","5","1") = "5"
    & skf21("5","1","3","4","6","6","6","1") = "5"
    & skf21("5","1","3","4","6","6","7","1") = "6"
    & skf21("5","1","3","4","6","7","1","1") = "6"
    & skf21("5","1","3","4","6","7","2","1") = "6"
    & skf21("5","1","3","4","6","7","3","1") = "6"
    & skf21("5","1","3","4","6","7","4","1") = "6"
    & skf21("5","1","3","4","6","7","5","1") = "6"
    & skf21("5","1","3","4","6","7","6","1") = "6"
    & skf21("5","1","3","4","6","7","7","1") = "6"
    & skf21("5","1","3","4","7","1","1","1") = "6"
    & skf21("5","1","3","4","7","1","2","1") = "6"
    & skf21("5","1","3","4","7","1","3","1") = "6"
    & skf21("5","1","3","4","7","1","4","1") = "6"
    & skf21("5","1","3","4","7","1","5","1") = "6"
    & skf21("5","1","3","4","7","1","6","1") = "6"
    & skf21("5","1","3","4","7","1","7","1") = "6"
    & skf21("5","1","3","4","7","2","1","1") = "6"
    & skf21("5","1","3","4","7","2","2","1") = "6"
    & skf21("5","1","3","4","7","2","3","1") = "6"
    & skf21("5","1","3","4","7","2","4","1") = "6"
    & skf21("5","1","3","4","7","2","5","1") = "6"
    & skf21("5","1","3","4","7","2","6","1") = "6"
    & skf21("5","1","3","4","7","2","7","1") = "6"
    & skf21("5","1","3","4","7","3","1","1") = "6"
    & skf21("5","1","3","4","7","3","2","1") = "6"
    & skf21("5","1","3","4","7","3","3","1") = "6"
    & skf21("5","1","3","4","7","3","4","1") = "6"
    & skf21("5","1","3","4","7","3","5","1") = "6"
    & skf21("5","1","3","4","7","3","6","1") = "6"
    & skf21("5","1","3","4","7","3","7","1") = "6"
    & skf21("5","1","3","4","7","4","1","1") = "6"
    & skf21("5","1","3","4","7","4","2","1") = "6"
    & skf21("5","1","3","4","7","4","3","1") = "6"
    & skf21("5","1","3","4","7","4","4","1") = "6"
    & skf21("5","1","3","4","7","4","5","1") = "6"
    & skf21("5","1","3","4","7","4","6","1") = "6"
    & skf21("5","1","3","4","7","4","7","1") = "6"
    & skf21("5","1","3","4","7","5","1","1") = "6"
    & skf21("5","1","3","4","7","5","2","1") = "6"
    & skf21("5","1","3","4","7","5","3","1") = "6"
    & skf21("5","1","3","4","7","5","4","1") = "6"
    & skf21("5","1","3","4","7","5","5","1") = "6"
    & skf21("5","1","3","4","7","5","6","1") = "6"
    & skf21("5","1","3","4","7","5","7","1") = "6"
    & skf21("5","1","3","4","7","6","1","1") = "6"
    & skf21("5","1","3","4","7","6","2","1") = "6"
    & skf21("5","1","3","4","7","6","3","1") = "6"
    & skf21("5","1","3","4","7","6","4","1") = "6"
    & skf21("5","1","3","4","7","6","5","1") = "6"
    & skf21("5","1","3","4","7","6","6","1") = "6"
    & skf21("5","1","3","4","7","6","7","1") = "6"
    & skf21("5","1","3","4","7","7","1","1") = "6"
    & skf21("5","1","3","4","7","7","2","1") = "6"
    & skf21("5","1","3","4","7","7","3","1") = "6"
    & skf21("5","1","3","4","7","7","4","1") = "6"
    & skf21("5","1","3","4","7","7","5","1") = "6"
    & skf21("5","1","3","4","7","7","6","1") = "6"
    & skf21("5","1","3","4","7","7","7","1") = "6"
    & skf21("5","1","3","5","1","1","1","1") = "4"
    & skf21("5","1","3","5","1","1","2","1") = "4"
    & skf21("5","1","3","5","1","1","3","1") = "4"
    & skf21("5","1","3","5","1","1","4","1") = "4"
    & skf21("5","1","3","5","1","1","5","1") = "4"
    & skf21("5","1","3","5","1","1","6","1") = "5"
    & skf21("5","1","3","5","1","1","7","1") = "6"
    & skf21("5","1","3","5","1","2","1","1") = "4"
    & skf21("5","1","3","5","1","2","2","1") = "4"
    & skf21("5","1","3","5","1","2","3","1") = "4"
    & skf21("5","1","3","5","1","2","4","1") = "4"
    & skf21("5","1","3","5","1","2","5","1") = "4"
    & skf21("5","1","3","5","1","2","6","1") = "5"
    & skf21("5","1","3","5","1","2","7","1") = "6"
    & skf21("5","1","3","5","1","3","1","1") = "4"
    & skf21("5","1","3","5","1","3","2","1") = "4"
    & skf21("5","1","3","5","1","3","3","1") = "4"
    & skf21("5","1","3","5","1","3","4","1") = "4"
    & skf21("5","1","3","5","1","3","5","1") = "4"
    & skf21("5","1","3","5","1","3","6","1") = "5"
    & skf21("5","1","3","5","1","3","7","1") = "6"
    & skf21("5","1","3","5","1","4","1","1") = "4"
    & skf21("5","1","3","5","1","4","2","1") = "4"
    & skf21("5","1","3","5","1","4","3","1") = "4"
    & skf21("5","1","3","5","1","4","4","1") = "4"
    & skf21("5","1","3","5","1","4","5","1") = "4"
    & skf21("5","1","3","5","1","4","6","1") = "5"
    & skf21("5","1","3","5","1","4","7","1") = "6"
    & skf21("5","1","3","5","1","5","1","1") = "4"
    & skf21("5","1","3","5","1","5","2","1") = "4"
    & skf21("5","1","3","5","1","5","3","1") = "4"
    & skf21("5","1","3","5","1","5","4","1") = "4"
    & skf21("5","1","3","5","1","5","5","1") = "4"
    & skf21("5","1","3","5","1","5","6","1") = "5"
    & skf21("5","1","3","5","1","5","7","1") = "6"
    & skf21("5","1","3","5","1","6","1","1") = "5"
    & skf21("5","1","3","5","1","6","2","1") = "5"
    & skf21("5","1","3","5","1","6","3","1") = "5"
    & skf21("5","1","3","5","1","6","4","1") = "5"
    & skf21("5","1","3","5","1","6","5","1") = "5"
    & skf21("5","1","3","5","1","6","6","1") = "5"
    & skf21("5","1","3","5","1","6","7","1") = "6"
    & skf21("5","1","3","5","1","7","1","1") = "6"
    & skf21("5","1","3","5","1","7","2","1") = "6"
    & skf21("5","1","3","5","1","7","3","1") = "6"
    & skf21("5","1","3","5","1","7","4","1") = "6"
    & skf21("5","1","3","5","1","7","5","1") = "6"
    & skf21("5","1","3","5","1","7","6","1") = "6"
    & skf21("5","1","3","5","1","7","7","1") = "6"
    & skf21("5","1","3","5","2","1","1","1") = "4"
    & skf21("5","1","3","5","2","1","2","1") = "4"
    & skf21("5","1","3","5","2","1","3","1") = "4"
    & skf21("5","1","3","5","2","1","4","1") = "4"
    & skf21("5","1","3","5","2","1","5","1") = "4"
    & skf21("5","1","3","5","2","1","6","1") = "5"
    & skf21("5","1","3","5","2","1","7","1") = "6"
    & skf21("5","1","3","5","2","2","1","1") = "4"
    & skf21("5","1","3","5","2","2","2","1") = "4"
    & skf21("5","1","3","5","2","2","3","1") = "4"
    & skf21("5","1","3","5","2","2","4","1") = "4"
    & skf21("5","1","3","5","2","2","5","1") = "4"
    & skf21("5","1","3","5","2","2","6","1") = "5"
    & skf21("5","1","3","5","2","2","7","1") = "6"
    & skf21("5","1","3","5","2","3","1","1") = "4"
    & skf21("5","1","3","5","2","3","2","1") = "4"
    & skf21("5","1","3","5","2","3","3","1") = "4"
    & skf21("5","1","3","5","2","3","4","1") = "4"
    & skf21("5","1","3","5","2","3","5","1") = "4"
    & skf21("5","1","3","5","2","3","6","1") = "5"
    & skf21("5","1","3","5","2","3","7","1") = "6"
    & skf21("5","1","3","5","2","4","1","1") = "4"
    & skf21("5","1","3","5","2","4","2","1") = "4"
    & skf21("5","1","3","5","2","4","3","1") = "4"
    & skf21("5","1","3","5","2","4","4","1") = "4"
    & skf21("5","1","3","5","2","4","5","1") = "4"
    & skf21("5","1","3","5","2","4","6","1") = "5"
    & skf21("5","1","3","5","2","4","7","1") = "6"
    & skf21("5","1","3","5","2","5","1","1") = "4"
    & skf21("5","1","3","5","2","5","2","1") = "4"
    & skf21("5","1","3","5","2","5","3","1") = "4"
    & skf21("5","1","3","5","2","5","4","1") = "4"
    & skf21("5","1","3","5","2","5","5","1") = "4"
    & skf21("5","1","3","5","2","5","6","1") = "5"
    & skf21("5","1","3","5","2","5","7","1") = "6"
    & skf21("5","1","3","5","2","6","1","1") = "5"
    & skf21("5","1","3","5","2","6","2","1") = "5"
    & skf21("5","1","3","5","2","6","3","1") = "5"
    & skf21("5","1","3","5","2","6","4","1") = "5"
    & skf21("5","1","3","5","2","6","5","1") = "5"
    & skf21("5","1","3","5","2","6","6","1") = "5"
    & skf21("5","1","3","5","2","6","7","1") = "6"
    & skf21("5","1","3","5","2","7","1","1") = "6"
    & skf21("5","1","3","5","2","7","2","1") = "6"
    & skf21("5","1","3","5","2","7","3","1") = "6"
    & skf21("5","1","3","5","2","7","4","1") = "6"
    & skf21("5","1","3","5","2","7","5","1") = "6"
    & skf21("5","1","3","5","2","7","6","1") = "6"
    & skf21("5","1","3","5","2","7","7","1") = "6"
    & skf21("5","1","3","5","3","1","1","1") = "4"
    & skf21("5","1","3","5","3","1","2","1") = "4"
    & skf21("5","1","3","5","3","1","3","1") = "4"
    & skf21("5","1","3","5","3","1","4","1") = "4"
    & skf21("5","1","3","5","3","1","5","1") = "4"
    & skf21("5","1","3","5","3","1","6","1") = "5"
    & skf21("5","1","3","5","3","1","7","1") = "6"
    & skf21("5","1","3","5","3","2","1","1") = "4"
    & skf21("5","1","3","5","3","2","2","1") = "4"
    & skf21("5","1","3","5","3","2","3","1") = "4"
    & skf21("5","1","3","5","3","2","4","1") = "4"
    & skf21("5","1","3","5","3","2","5","1") = "4"
    & skf21("5","1","3","5","3","2","6","1") = "5"
    & skf21("5","1","3","5","3","2","7","1") = "6"
    & skf21("5","1","3","5","3","3","1","1") = "4"
    & skf21("5","1","3","5","3","3","2","1") = "4"
    & skf21("5","1","3","5","3","3","3","1") = "4"
    & skf21("5","1","3","5","3","3","4","1") = "4"
    & skf21("5","1","3","5","3","3","5","1") = "4"
    & skf21("5","1","3","5","3","3","6","1") = "5"
    & skf21("5","1","3","5","3","3","7","1") = "6"
    & skf21("5","1","3","5","3","4","1","1") = "4"
    & skf21("5","1","3","5","3","4","2","1") = "4"
    & skf21("5","1","3","5","3","4","3","1") = "4"
    & skf21("5","1","3","5","3","4","4","1") = "4"
    & skf21("5","1","3","5","3","4","5","1") = "4"
    & skf21("5","1","3","5","3","4","6","1") = "5"
    & skf21("5","1","3","5","3","4","7","1") = "6"
    & skf21("5","1","3","5","3","5","1","1") = "4"
    & skf21("5","1","3","5","3","5","2","1") = "4"
    & skf21("5","1","3","5","3","5","3","1") = "4"
    & skf21("5","1","3","5","3","5","4","1") = "4"
    & skf21("5","1","3","5","3","5","5","1") = "4"
    & skf21("5","1","3","5","3","5","6","1") = "5"
    & skf21("5","1","3","5","3","5","7","1") = "6"
    & skf21("5","1","3","5","3","6","1","1") = "5"
    & skf21("5","1","3","5","3","6","2","1") = "5"
    & skf21("5","1","3","5","3","6","3","1") = "5"
    & skf21("5","1","3","5","3","6","4","1") = "5"
    & skf21("5","1","3","5","3","6","5","1") = "5"
    & skf21("5","1","3","5","3","6","6","1") = "5"
    & skf21("5","1","3","5","3","6","7","1") = "6"
    & skf21("5","1","3","5","3","7","1","1") = "6"
    & skf21("5","1","3","5","3","7","2","1") = "6"
    & skf21("5","1","3","5","3","7","3","1") = "6"
    & skf21("5","1","3","5","3","7","4","1") = "6"
    & skf21("5","1","3","5","3","7","5","1") = "6"
    & skf21("5","1","3","5","3","7","6","1") = "6"
    & skf21("5","1","3","5","3","7","7","1") = "6"
    & skf21("5","1","3","5","4","1","1","1") = "4"
    & skf21("5","1","3","5","4","1","2","1") = "4"
    & skf21("5","1","3","5","4","1","3","1") = "4"
    & skf21("5","1","3","5","4","1","4","1") = "4"
    & skf21("5","1","3","5","4","1","5","1") = "4"
    & skf21("5","1","3","5","4","1","6","1") = "5"
    & skf21("5","1","3","5","4","1","7","1") = "6"
    & skf21("5","1","3","5","4","2","1","1") = "4"
    & skf21("5","1","3","5","4","2","2","1") = "4"
    & skf21("5","1","3","5","4","2","3","1") = "4"
    & skf21("5","1","3","5","4","2","4","1") = "4"
    & skf21("5","1","3","5","4","2","5","1") = "4"
    & skf21("5","1","3","5","4","2","6","1") = "5"
    & skf21("5","1","3","5","4","2","7","1") = "6"
    & skf21("5","1","3","5","4","3","1","1") = "4"
    & skf21("5","1","3","5","4","3","2","1") = "4"
    & skf21("5","1","3","5","4","3","3","1") = "4"
    & skf21("5","1","3","5","4","3","4","1") = "4"
    & skf21("5","1","3","5","4","3","5","1") = "4"
    & skf21("5","1","3","5","4","3","6","1") = "5"
    & skf21("5","1","3","5","4","3","7","1") = "6"
    & skf21("5","1","3","5","4","4","1","1") = "4"
    & skf21("5","1","3","5","4","4","2","1") = "4"
    & skf21("5","1","3","5","4","4","3","1") = "4"
    & skf21("5","1","3","5","4","4","4","1") = "4"
    & skf21("5","1","3","5","4","4","5","1") = "4"
    & skf21("5","1","3","5","4","4","6","1") = "5"
    & skf21("5","1","3","5","4","4","7","1") = "6"
    & skf21("5","1","3","5","4","5","1","1") = "4"
    & skf21("5","1","3","5","4","5","2","1") = "4"
    & skf21("5","1","3","5","4","5","3","1") = "4"
    & skf21("5","1","3","5","4","5","4","1") = "4"
    & skf21("5","1","3","5","4","5","5","1") = "4"
    & skf21("5","1","3","5","4","5","6","1") = "5"
    & skf21("5","1","3","5","4","5","7","1") = "6"
    & skf21("5","1","3","5","4","6","1","1") = "5"
    & skf21("5","1","3","5","4","6","2","1") = "5"
    & skf21("5","1","3","5","4","6","3","1") = "5"
    & skf21("5","1","3","5","4","6","4","1") = "5"
    & skf21("5","1","3","5","4","6","5","1") = "5"
    & skf21("5","1","3","5","4","6","6","1") = "5"
    & skf21("5","1","3","5","4","6","7","1") = "6"
    & skf21("5","1","3","5","4","7","1","1") = "6"
    & skf21("5","1","3","5","4","7","2","1") = "6"
    & skf21("5","1","3","5","4","7","3","1") = "6"
    & skf21("5","1","3","5","4","7","4","1") = "6"
    & skf21("5","1","3","5","4","7","5","1") = "6"
    & skf21("5","1","3","5","4","7","6","1") = "6"
    & skf21("5","1","3","5","4","7","7","1") = "6"
    & skf21("5","1","3","5","5","1","1","1") = "4"
    & skf21("5","1","3","5","5","1","2","1") = "4"
    & skf21("5","1","3","5","5","1","3","1") = "4"
    & skf21("5","1","3","5","5","1","4","1") = "4"
    & skf21("5","1","3","5","5","1","5","1") = "4"
    & skf21("5","1","3","5","5","1","6","1") = "5"
    & skf21("5","1","3","5","5","1","7","1") = "6"
    & skf21("5","1","3","5","5","2","1","1") = "4"
    & skf21("5","1","3","5","5","2","2","1") = "4"
    & skf21("5","1","3","5","5","2","3","1") = "4"
    & skf21("5","1","3","5","5","2","4","1") = "4"
    & skf21("5","1","3","5","5","2","5","1") = "4"
    & skf21("5","1","3","5","5","2","6","1") = "5"
    & skf21("5","1","3","5","5","2","7","1") = "6"
    & skf21("5","1","3","5","5","3","1","1") = "4"
    & skf21("5","1","3","5","5","3","2","1") = "4"
    & skf21("5","1","3","5","5","3","3","1") = "4"
    & skf21("5","1","3","5","5","3","4","1") = "4"
    & skf21("5","1","3","5","5","3","5","1") = "4"
    & skf21("5","1","3","5","5","3","6","1") = "5"
    & skf21("5","1","3","5","5","3","7","1") = "6"
    & skf21("5","1","3","5","5","4","1","1") = "4"
    & skf21("5","1","3","5","5","4","2","1") = "4"
    & skf21("5","1","3","5","5","4","3","1") = "4"
    & skf21("5","1","3","5","5","4","4","1") = "4"
    & skf21("5","1","3","5","5","4","5","1") = "4"
    & skf21("5","1","3","5","5","4","6","1") = "5"
    & skf21("5","1","3","5","5","4","7","1") = "6"
    & skf21("5","1","3","5","5","5","1","1") = "4"
    & skf21("5","1","3","5","5","5","2","1") = "4"
    & skf21("5","1","3","5","5","5","3","1") = "4"
    & skf21("5","1","3","5","5","5","4","1") = "4"
    & skf21("5","1","3","5","5","5","5","1") = "4"
    & skf21("5","1","3","5","5","5","6","1") = "5"
    & skf21("5","1","3","5","5","5","7","1") = "6"
    & skf21("5","1","3","5","5","6","1","1") = "5"
    & skf21("5","1","3","5","5","6","2","1") = "5"
    & skf21("5","1","3","5","5","6","3","1") = "5"
    & skf21("5","1","3","5","5","6","4","1") = "5"
    & skf21("5","1","3","5","5","6","5","1") = "5"
    & skf21("5","1","3","5","5","6","6","1") = "5"
    & skf21("5","1","3","5","5","6","7","1") = "6"
    & skf21("5","1","3","5","5","7","1","1") = "6"
    & skf21("5","1","3","5","5","7","2","1") = "6"
    & skf21("5","1","3","5","5","7","3","1") = "6"
    & skf21("5","1","3","5","5","7","4","1") = "6"
    & skf21("5","1","3","5","5","7","5","1") = "6"
    & skf21("5","1","3","5","5","7","6","1") = "6"
    & skf21("5","1","3","5","5","7","7","1") = "6"
    & skf21("5","1","3","5","6","1","1","1") = "5"
    & skf21("5","1","3","5","6","1","2","1") = "5"
    & skf21("5","1","3","5","6","1","3","1") = "5"
    & skf21("5","1","3","5","6","1","4","1") = "5"
    & skf21("5","1","3","5","6","1","5","1") = "5"
    & skf21("5","1","3","5","6","1","6","1") = "5"
    & skf21("5","1","3","5","6","1","7","1") = "6"
    & skf21("5","1","3","5","6","2","1","1") = "5"
    & skf21("5","1","3","5","6","2","2","1") = "5"
    & skf21("5","1","3","5","6","2","3","1") = "5"
    & skf21("5","1","3","5","6","2","4","1") = "5"
    & skf21("5","1","3","5","6","2","5","1") = "5"
    & skf21("5","1","3","5","6","2","6","1") = "5"
    & skf21("5","1","3","5","6","2","7","1") = "6"
    & skf21("5","1","3","5","6","3","1","1") = "5"
    & skf21("5","1","3","5","6","3","2","1") = "5"
    & skf21("5","1","3","5","6","3","3","1") = "5"
    & skf21("5","1","3","5","6","3","4","1") = "5"
    & skf21("5","1","3","5","6","3","5","1") = "5"
    & skf21("5","1","3","5","6","3","6","1") = "5"
    & skf21("5","1","3","5","6","3","7","1") = "6"
    & skf21("5","1","3","5","6","4","1","1") = "5"
    & skf21("5","1","3","5","6","4","2","1") = "5"
    & skf21("5","1","3","5","6","4","3","1") = "5"
    & skf21("5","1","3","5","6","4","4","1") = "5"
    & skf21("5","1","3","5","6","4","5","1") = "5"
    & skf21("5","1","3","5","6","4","6","1") = "5"
    & skf21("5","1","3","5","6","4","7","1") = "6"
    & skf21("5","1","3","5","6","5","1","1") = "5"
    & skf21("5","1","3","5","6","5","2","1") = "5"
    & skf21("5","1","3","5","6","5","3","1") = "5"
    & skf21("5","1","3","5","6","5","4","1") = "5"
    & skf21("5","1","3","5","6","5","5","1") = "5"
    & skf21("5","1","3","5","6","5","6","1") = "5"
    & skf21("5","1","3","5","6","5","7","1") = "6"
    & skf21("5","1","3","5","6","6","1","1") = "5"
    & skf21("5","1","3","5","6","6","2","1") = "5"
    & skf21("5","1","3","5","6","6","3","1") = "5"
    & skf21("5","1","3","5","6","6","4","1") = "5"
    & skf21("5","1","3","5","6","6","5","1") = "5"
    & skf21("5","1","3","5","6","6","6","1") = "5"
    & skf21("5","1","3","5","6","6","7","1") = "6"
    & skf21("5","1","3","5","6","7","1","1") = "6"
    & skf21("5","1","3","5","6","7","2","1") = "6"
    & skf21("5","1","3","5","6","7","3","1") = "6"
    & skf21("5","1","3","5","6","7","4","1") = "6"
    & skf21("5","1","3","5","6","7","5","1") = "6"
    & skf21("5","1","3","5","6","7","6","1") = "6"
    & skf21("5","1","3","5","6","7","7","1") = "6"
    & skf21("5","1","3","5","7","1","1","1") = "6"
    & skf21("5","1","3","5","7","1","2","1") = "6"
    & skf21("5","1","3","5","7","1","3","1") = "6"
    & skf21("5","1","3","5","7","1","4","1") = "6"
    & skf21("5","1","3","5","7","1","5","1") = "6"
    & skf21("5","1","3","5","7","1","6","1") = "6"
    & skf21("5","1","3","5","7","1","7","1") = "6"
    & skf21("5","1","3","5","7","2","1","1") = "6"
    & skf21("5","1","3","5","7","2","2","1") = "6"
    & skf21("5","1","3","5","7","2","3","1") = "6"
    & skf21("5","1","3","5","7","2","4","1") = "6"
    & skf21("5","1","3","5","7","2","5","1") = "6"
    & skf21("5","1","3","5","7","2","6","1") = "6"
    & skf21("5","1","3","5","7","2","7","1") = "6"
    & skf21("5","1","3","5","7","3","1","1") = "6"
    & skf21("5","1","3","5","7","3","2","1") = "6"
    & skf21("5","1","3","5","7","3","3","1") = "6"
    & skf21("5","1","3","5","7","3","4","1") = "6"
    & skf21("5","1","3","5","7","3","5","1") = "6"
    & skf21("5","1","3","5","7","3","6","1") = "6"
    & skf21("5","1","3","5","7","3","7","1") = "6"
    & skf21("5","1","3","5","7","4","1","1") = "6"
    & skf21("5","1","3","5","7","4","2","1") = "6"
    & skf21("5","1","3","5","7","4","3","1") = "6"
    & skf21("5","1","3","5","7","4","4","1") = "6"
    & skf21("5","1","3","5","7","4","5","1") = "6"
    & skf21("5","1","3","5","7","4","6","1") = "6"
    & skf21("5","1","3","5","7","4","7","1") = "6"
    & skf21("5","1","3","5","7","5","1","1") = "6"
    & skf21("5","1","3","5","7","5","2","1") = "6"
    & skf21("5","1","3","5","7","5","3","1") = "6"
    & skf21("5","1","3","5","7","5","4","1") = "6"
    & skf21("5","1","3","5","7","5","5","1") = "6"
    & skf21("5","1","3","5","7","5","6","1") = "6"
    & skf21("5","1","3","5","7","5","7","1") = "6"
    & skf21("5","1","3","5","7","6","1","1") = "6"
    & skf21("5","1","3","5","7","6","2","1") = "6"
    & skf21("5","1","3","5","7","6","3","1") = "6"
    & skf21("5","1","3","5","7","6","4","1") = "6"
    & skf21("5","1","3","5","7","6","5","1") = "6"
    & skf21("5","1","3","5","7","6","6","1") = "6"
    & skf21("5","1","3","5","7","6","7","1") = "6"
    & skf21("5","1","3","5","7","7","1","1") = "6"
    & skf21("5","1","3","5","7","7","2","1") = "6"
    & skf21("5","1","3","5","7","7","3","1") = "6"
    & skf21("5","1","3","5","7","7","4","1") = "6"
    & skf21("5","1","3","5","7","7","5","1") = "6"
    & skf21("5","1","3","5","7","7","6","1") = "6"
    & skf21("5","1","3","5","7","7","7","1") = "6"
    & skf21("5","1","3","6","1","1","1","1") = "5"
    & skf21("5","1","3","6","1","1","2","1") = "5"
    & skf21("5","1","3","6","1","1","3","1") = "5"
    & skf21("5","1","3","6","1","1","4","1") = "5"
    & skf21("5","1","3","6","1","1","5","1") = "5"
    & skf21("5","1","3","6","1","1","6","1") = "5"
    & skf21("5","1","3","6","1","1","7","1") = "6"
    & skf21("5","1","3","6","1","2","1","1") = "5"
    & skf21("5","1","3","6","1","2","2","1") = "5"
    & skf21("5","1","3","6","1","2","3","1") = "5"
    & skf21("5","1","3","6","1","2","4","1") = "5"
    & skf21("5","1","3","6","1","2","5","1") = "5"
    & skf21("5","1","3","6","1","2","6","1") = "5"
    & skf21("5","1","3","6","1","2","7","1") = "6"
    & skf21("5","1","3","6","1","3","1","1") = "5"
    & skf21("5","1","3","6","1","3","2","1") = "5"
    & skf21("5","1","3","6","1","3","3","1") = "5"
    & skf21("5","1","3","6","1","3","4","1") = "5"
    & skf21("5","1","3","6","1","3","5","1") = "5"
    & skf21("5","1","3","6","1","3","6","1") = "5"
    & skf21("5","1","3","6","1","3","7","1") = "6"
    & skf21("5","1","3","6","1","4","1","1") = "5"
    & skf21("5","1","3","6","1","4","2","1") = "5"
    & skf21("5","1","3","6","1","4","3","1") = "5"
    & skf21("5","1","3","6","1","4","4","1") = "5"
    & skf21("5","1","3","6","1","4","5","1") = "5"
    & skf21("5","1","3","6","1","4","6","1") = "5"
    & skf21("5","1","3","6","1","4","7","1") = "6"
    & skf21("5","1","3","6","1","5","1","1") = "5"
    & skf21("5","1","3","6","1","5","2","1") = "5"
    & skf21("5","1","3","6","1","5","3","1") = "5"
    & skf21("5","1","3","6","1","5","4","1") = "5"
    & skf21("5","1","3","6","1","5","5","1") = "5"
    & skf21("5","1","3","6","1","5","6","1") = "5"
    & skf21("5","1","3","6","1","5","7","1") = "6"
    & skf21("5","1","3","6","1","6","1","1") = "5"
    & skf21("5","1","3","6","1","6","2","1") = "5"
    & skf21("5","1","3","6","1","6","3","1") = "5"
    & skf21("5","1","3","6","1","6","4","1") = "5"
    & skf21("5","1","3","6","1","6","5","1") = "5"
    & skf21("5","1","3","6","1","6","6","1") = "5"
    & skf21("5","1","3","6","1","6","7","1") = "6"
    & skf21("5","1","3","6","1","7","1","1") = "6"
    & skf21("5","1","3","6","1","7","2","1") = "6"
    & skf21("5","1","3","6","1","7","3","1") = "6"
    & skf21("5","1","3","6","1","7","4","1") = "6"
    & skf21("5","1","3","6","1","7","5","1") = "6"
    & skf21("5","1","3","6","1","7","6","1") = "6"
    & skf21("5","1","3","6","1","7","7","1") = "6"
    & skf21("5","1","3","6","2","1","1","1") = "5"
    & skf21("5","1","3","6","2","1","2","1") = "5"
    & skf21("5","1","3","6","2","1","3","1") = "5"
    & skf21("5","1","3","6","2","1","4","1") = "5"
    & skf21("5","1","3","6","2","1","5","1") = "5"
    & skf21("5","1","3","6","2","1","6","1") = "5"
    & skf21("5","1","3","6","2","1","7","1") = "6"
    & skf21("5","1","3","6","2","2","1","1") = "5"
    & skf21("5","1","3","6","2","2","2","1") = "5"
    & skf21("5","1","3","6","2","2","3","1") = "5"
    & skf21("5","1","3","6","2","2","4","1") = "5"
    & skf21("5","1","3","6","2","2","5","1") = "5"
    & skf21("5","1","3","6","2","2","6","1") = "5"
    & skf21("5","1","3","6","2","2","7","1") = "6"
    & skf21("5","1","3","6","2","3","1","1") = "5"
    & skf21("5","1","3","6","2","3","2","1") = "5"
    & skf21("5","1","3","6","2","3","3","1") = "5"
    & skf21("5","1","3","6","2","3","4","1") = "5"
    & skf21("5","1","3","6","2","3","5","1") = "5"
    & skf21("5","1","3","6","2","3","6","1") = "5"
    & skf21("5","1","3","6","2","3","7","1") = "6"
    & skf21("5","1","3","6","2","4","1","1") = "5"
    & skf21("5","1","3","6","2","4","2","1") = "5"
    & skf21("5","1","3","6","2","4","3","1") = "5"
    & skf21("5","1","3","6","2","4","4","1") = "5"
    & skf21("5","1","3","6","2","4","5","1") = "5"
    & skf21("5","1","3","6","2","4","6","1") = "5"
    & skf21("5","1","3","6","2","4","7","1") = "6"
    & skf21("5","1","3","6","2","5","1","1") = "5"
    & skf21("5","1","3","6","2","5","2","1") = "5"
    & skf21("5","1","3","6","2","5","3","1") = "5"
    & skf21("5","1","3","6","2","5","4","1") = "5"
    & skf21("5","1","3","6","2","5","5","1") = "5"
    & skf21("5","1","3","6","2","5","6","1") = "5"
    & skf21("5","1","3","6","2","5","7","1") = "6"
    & skf21("5","1","3","6","2","6","1","1") = "5"
    & skf21("5","1","3","6","2","6","2","1") = "5"
    & skf21("5","1","3","6","2","6","3","1") = "5"
    & skf21("5","1","3","6","2","6","4","1") = "5"
    & skf21("5","1","3","6","2","6","5","1") = "5"
    & skf21("5","1","3","6","2","6","6","1") = "5"
    & skf21("5","1","3","6","2","6","7","1") = "6"
    & skf21("5","1","3","6","2","7","1","1") = "6"
    & skf21("5","1","3","6","2","7","2","1") = "6"
    & skf21("5","1","3","6","2","7","3","1") = "6"
    & skf21("5","1","3","6","2","7","4","1") = "6"
    & skf21("5","1","3","6","2","7","5","1") = "6"
    & skf21("5","1","3","6","2","7","6","1") = "6"
    & skf21("5","1","3","6","2","7","7","1") = "6"
    & skf21("5","1","3","6","3","1","1","1") = "5"
    & skf21("5","1","3","6","3","1","2","1") = "5"
    & skf21("5","1","3","6","3","1","3","1") = "5"
    & skf21("5","1","3","6","3","1","4","1") = "5"
    & skf21("5","1","3","6","3","1","5","1") = "5"
    & skf21("5","1","3","6","3","1","6","1") = "5"
    & skf21("5","1","3","6","3","1","7","1") = "6"
    & skf21("5","1","3","6","3","2","1","1") = "5"
    & skf21("5","1","3","6","3","2","2","1") = "5"
    & skf21("5","1","3","6","3","2","3","1") = "5"
    & skf21("5","1","3","6","3","2","4","1") = "5"
    & skf21("5","1","3","6","3","2","5","1") = "5"
    & skf21("5","1","3","6","3","2","6","1") = "5"
    & skf21("5","1","3","6","3","2","7","1") = "6"
    & skf21("5","1","3","6","3","3","1","1") = "5"
    & skf21("5","1","3","6","3","3","2","1") = "5"
    & skf21("5","1","3","6","3","3","3","1") = "5"
    & skf21("5","1","3","6","3","3","4","1") = "5"
    & skf21("5","1","3","6","3","3","5","1") = "5"
    & skf21("5","1","3","6","3","3","6","1") = "5"
    & skf21("5","1","3","6","3","3","7","1") = "6"
    & skf21("5","1","3","6","3","4","1","1") = "5"
    & skf21("5","1","3","6","3","4","2","1") = "5"
    & skf21("5","1","3","6","3","4","3","1") = "5"
    & skf21("5","1","3","6","3","4","4","1") = "5"
    & skf21("5","1","3","6","3","4","5","1") = "5"
    & skf21("5","1","3","6","3","4","6","1") = "5"
    & skf21("5","1","3","6","3","4","7","1") = "6"
    & skf21("5","1","3","6","3","5","1","1") = "5"
    & skf21("5","1","3","6","3","5","2","1") = "5"
    & skf21("5","1","3","6","3","5","3","1") = "5"
    & skf21("5","1","3","6","3","5","4","1") = "5"
    & skf21("5","1","3","6","3","5","5","1") = "5"
    & skf21("5","1","3","6","3","5","6","1") = "5"
    & skf21("5","1","3","6","3","5","7","1") = "6"
    & skf21("5","1","3","6","3","6","1","1") = "5"
    & skf21("5","1","3","6","3","6","2","1") = "5"
    & skf21("5","1","3","6","3","6","3","1") = "5"
    & skf21("5","1","3","6","3","6","4","1") = "5"
    & skf21("5","1","3","6","3","6","5","1") = "5"
    & skf21("5","1","3","6","3","6","6","1") = "5"
    & skf21("5","1","3","6","3","6","7","1") = "6"
    & skf21("5","1","3","6","3","7","1","1") = "6"
    & skf21("5","1","3","6","3","7","2","1") = "6"
    & skf21("5","1","3","6","3","7","3","1") = "6"
    & skf21("5","1","3","6","3","7","4","1") = "6"
    & skf21("5","1","3","6","3","7","5","1") = "6"
    & skf21("5","1","3","6","3","7","6","1") = "6"
    & skf21("5","1","3","6","3","7","7","1") = "6"
    & skf21("5","1","3","6","4","1","1","1") = "5"
    & skf21("5","1","3","6","4","1","2","1") = "5"
    & skf21("5","1","3","6","4","1","3","1") = "5"
    & skf21("5","1","3","6","4","1","4","1") = "5"
    & skf21("5","1","3","6","4","1","5","1") = "5"
    & skf21("5","1","3","6","4","1","6","1") = "5"
    & skf21("5","1","3","6","4","1","7","1") = "6"
    & skf21("5","1","3","6","4","2","1","1") = "5"
    & skf21("5","1","3","6","4","2","2","1") = "5"
    & skf21("5","1","3","6","4","2","3","1") = "5"
    & skf21("5","1","3","6","4","2","4","1") = "5"
    & skf21("5","1","3","6","4","2","5","1") = "5"
    & skf21("5","1","3","6","4","2","6","1") = "5"
    & skf21("5","1","3","6","4","2","7","1") = "6"
    & skf21("5","1","3","6","4","3","1","1") = "5"
    & skf21("5","1","3","6","4","3","2","1") = "5"
    & skf21("5","1","3","6","4","3","3","1") = "5"
    & skf21("5","1","3","6","4","3","4","1") = "5"
    & skf21("5","1","3","6","4","3","5","1") = "5"
    & skf21("5","1","3","6","4","3","6","1") = "5"
    & skf21("5","1","3","6","4","3","7","1") = "6"
    & skf21("5","1","3","6","4","4","1","1") = "5"
    & skf21("5","1","3","6","4","4","2","1") = "5"
    & skf21("5","1","3","6","4","4","3","1") = "5"
    & skf21("5","1","3","6","4","4","4","1") = "5"
    & skf21("5","1","3","6","4","4","5","1") = "5"
    & skf21("5","1","3","6","4","4","6","1") = "5"
    & skf21("5","1","3","6","4","4","7","1") = "6"
    & skf21("5","1","3","6","4","5","1","1") = "5"
    & skf21("5","1","3","6","4","5","2","1") = "5"
    & skf21("5","1","3","6","4","5","3","1") = "5"
    & skf21("5","1","3","6","4","5","4","1") = "5"
    & skf21("5","1","3","6","4","5","5","1") = "5"
    & skf21("5","1","3","6","4","5","6","1") = "5"
    & skf21("5","1","3","6","4","5","7","1") = "6"
    & skf21("5","1","3","6","4","6","1","1") = "5"
    & skf21("5","1","3","6","4","6","2","1") = "5"
    & skf21("5","1","3","6","4","6","3","1") = "5"
    & skf21("5","1","3","6","4","6","4","1") = "5"
    & skf21("5","1","3","6","4","6","5","1") = "5"
    & skf21("5","1","3","6","4","6","6","1") = "5"
    & skf21("5","1","3","6","4","6","7","1") = "6"
    & skf21("5","1","3","6","4","7","1","1") = "6"
    & skf21("5","1","3","6","4","7","2","1") = "6"
    & skf21("5","1","3","6","4","7","3","1") = "6"
    & skf21("5","1","3","6","4","7","4","1") = "6"
    & skf21("5","1","3","6","4","7","5","1") = "6"
    & skf21("5","1","3","6","4","7","6","1") = "6"
    & skf21("5","1","3","6","4","7","7","1") = "6"
    & skf21("5","1","3","6","5","1","1","1") = "5"
    & skf21("5","1","3","6","5","1","2","1") = "5"
    & skf21("5","1","3","6","5","1","3","1") = "5"
    & skf21("5","1","3","6","5","1","4","1") = "5"
    & skf21("5","1","3","6","5","1","5","1") = "5"
    & skf21("5","1","3","6","5","1","6","1") = "5"
    & skf21("5","1","3","6","5","1","7","1") = "6"
    & skf21("5","1","3","6","5","2","1","1") = "5"
    & skf21("5","1","3","6","5","2","2","1") = "5"
    & skf21("5","1","3","6","5","2","3","1") = "5"
    & skf21("5","1","3","6","5","2","4","1") = "5"
    & skf21("5","1","3","6","5","2","5","1") = "5"
    & skf21("5","1","3","6","5","2","6","1") = "5"
    & skf21("5","1","3","6","5","2","7","1") = "6"
    & skf21("5","1","3","6","5","3","1","1") = "5"
    & skf21("5","1","3","6","5","3","2","1") = "5"
    & skf21("5","1","3","6","5","3","3","1") = "5"
    & skf21("5","1","3","6","5","3","4","1") = "5"
    & skf21("5","1","3","6","5","3","5","1") = "5"
    & skf21("5","1","3","6","5","3","6","1") = "5"
    & skf21("5","1","3","6","5","3","7","1") = "6"
    & skf21("5","1","3","6","5","4","1","1") = "5"
    & skf21("5","1","3","6","5","4","2","1") = "5"
    & skf21("5","1","3","6","5","4","3","1") = "5"
    & skf21("5","1","3","6","5","4","4","1") = "5"
    & skf21("5","1","3","6","5","4","5","1") = "5"
    & skf21("5","1","3","6","5","4","6","1") = "5"
    & skf21("5","1","3","6","5","4","7","1") = "6"
    & skf21("5","1","3","6","5","5","1","1") = "5"
    & skf21("5","1","3","6","5","5","2","1") = "5"
    & skf21("5","1","3","6","5","5","3","1") = "5"
    & skf21("5","1","3","6","5","5","4","1") = "5"
    & skf21("5","1","3","6","5","5","5","1") = "5"
    & skf21("5","1","3","6","5","5","6","1") = "5"
    & skf21("5","1","3","6","5","5","7","1") = "6"
    & skf21("5","1","3","6","5","6","1","1") = "5"
    & skf21("5","1","3","6","5","6","2","1") = "5"
    & skf21("5","1","3","6","5","6","3","1") = "5"
    & skf21("5","1","3","6","5","6","4","1") = "5"
    & skf21("5","1","3","6","5","6","5","1") = "5"
    & skf21("5","1","3","6","5","6","6","1") = "5"
    & skf21("5","1","3","6","5","6","7","1") = "6"
    & skf21("5","1","3","6","5","7","1","1") = "6"
    & skf21("5","1","3","6","5","7","2","1") = "6"
    & skf21("5","1","3","6","5","7","3","1") = "6"
    & skf21("5","1","3","6","5","7","4","1") = "6"
    & skf21("5","1","3","6","5","7","5","1") = "6"
    & skf21("5","1","3","6","5","7","6","1") = "6"
    & skf21("5","1","3","6","5","7","7","1") = "6"
    & skf21("5","1","3","6","6","1","1","1") = "5"
    & skf21("5","1","3","6","6","1","2","1") = "5"
    & skf21("5","1","3","6","6","1","3","1") = "5"
    & skf21("5","1","3","6","6","1","4","1") = "5"
    & skf21("5","1","3","6","6","1","5","1") = "5"
    & skf21("5","1","3","6","6","1","6","1") = "5"
    & skf21("5","1","3","6","6","1","7","1") = "6"
    & skf21("5","1","3","6","6","2","1","1") = "5"
    & skf21("5","1","3","6","6","2","2","1") = "5"
    & skf21("5","1","3","6","6","2","3","1") = "5"
    & skf21("5","1","3","6","6","2","4","1") = "5"
    & skf21("5","1","3","6","6","2","5","1") = "5"
    & skf21("5","1","3","6","6","2","6","1") = "5"
    & skf21("5","1","3","6","6","2","7","1") = "6"
    & skf21("5","1","3","6","6","3","1","1") = "5"
    & skf21("5","1","3","6","6","3","2","1") = "5"
    & skf21("5","1","3","6","6","3","3","1") = "5"
    & skf21("5","1","3","6","6","3","4","1") = "5"
    & skf21("5","1","3","6","6","3","5","1") = "5"
    & skf21("5","1","3","6","6","3","6","1") = "5"
    & skf21("5","1","3","6","6","3","7","1") = "6"
    & skf21("5","1","3","6","6","4","1","1") = "5"
    & skf21("5","1","3","6","6","4","2","1") = "5"
    & skf21("5","1","3","6","6","4","3","1") = "5"
    & skf21("5","1","3","6","6","4","4","1") = "5"
    & skf21("5","1","3","6","6","4","5","1") = "5"
    & skf21("5","1","3","6","6","4","6","1") = "5"
    & skf21("5","1","3","6","6","4","7","1") = "6"
    & skf21("5","1","3","6","6","5","1","1") = "5"
    & skf21("5","1","3","6","6","5","2","1") = "5"
    & skf21("5","1","3","6","6","5","3","1") = "5"
    & skf21("5","1","3","6","6","5","4","1") = "5"
    & skf21("5","1","3","6","6","5","5","1") = "5"
    & skf21("5","1","3","6","6","5","6","1") = "5"
    & skf21("5","1","3","6","6","5","7","1") = "6"
    & skf21("5","1","3","6","6","6","1","1") = "5"
    & skf21("5","1","3","6","6","6","2","1") = "5"
    & skf21("5","1","3","6","6","6","3","1") = "5"
    & skf21("5","1","3","6","6","6","4","1") = "5"
    & skf21("5","1","3","6","6","6","5","1") = "5"
    & skf21("5","1","3","6","6","6","6","1") = "5"
    & skf21("5","1","3","6","6","6","7","1") = "6"
    & skf21("5","1","3","6","6","7","1","1") = "6"
    & skf21("5","1","3","6","6","7","2","1") = "6"
    & skf21("5","1","3","6","6","7","3","1") = "6"
    & skf21("5","1","3","6","6","7","4","1") = "6"
    & skf21("5","1","3","6","6","7","5","1") = "6"
    & skf21("5","1","3","6","6","7","6","1") = "6"
    & skf21("5","1","3","6","6","7","7","1") = "6"
    & skf21("5","1","3","6","7","1","1","1") = "6"
    & skf21("5","1","3","6","7","1","2","1") = "6"
    & skf21("5","1","3","6","7","1","3","1") = "6"
    & skf21("5","1","3","6","7","1","4","1") = "6"
    & skf21("5","1","3","6","7","1","5","1") = "6"
    & skf21("5","1","3","6","7","1","6","1") = "6"
    & skf21("5","1","3","6","7","1","7","1") = "6"
    & skf21("5","1","3","6","7","2","1","1") = "6"
    & skf21("5","1","3","6","7","2","2","1") = "6"
    & skf21("5","1","3","6","7","2","3","1") = "6"
    & skf21("5","1","3","6","7","2","4","1") = "6"
    & skf21("5","1","3","6","7","2","5","1") = "6"
    & skf21("5","1","3","6","7","2","6","1") = "6"
    & skf21("5","1","3","6","7","2","7","1") = "6"
    & skf21("5","1","3","6","7","3","1","1") = "6"
    & skf21("5","1","3","6","7","3","2","1") = "6"
    & skf21("5","1","3","6","7","3","3","1") = "6"
    & skf21("5","1","3","6","7","3","4","1") = "6"
    & skf21("5","1","3","6","7","3","5","1") = "6"
    & skf21("5","1","3","6","7","3","6","1") = "6"
    & skf21("5","1","3","6","7","3","7","1") = "6"
    & skf21("5","1","3","6","7","4","1","1") = "6"
    & skf21("5","1","3","6","7","4","2","1") = "6"
    & skf21("5","1","3","6","7","4","3","1") = "6"
    & skf21("5","1","3","6","7","4","4","1") = "6"
    & skf21("5","1","3","6","7","4","5","1") = "6"
    & skf21("5","1","3","6","7","4","6","1") = "6"
    & skf21("5","1","3","6","7","4","7","1") = "6"
    & skf21("5","1","3","6","7","5","1","1") = "6"
    & skf21("5","1","3","6","7","5","2","1") = "6"
    & skf21("5","1","3","6","7","5","3","1") = "6"
    & skf21("5","1","3","6","7","5","4","1") = "6"
    & skf21("5","1","3","6","7","5","5","1") = "6"
    & skf21("5","1","3","6","7","5","6","1") = "6"
    & skf21("5","1","3","6","7","5","7","1") = "6"
    & skf21("5","1","3","6","7","6","1","1") = "6"
    & skf21("5","1","3","6","7","6","2","1") = "6"
    & skf21("5","1","3","6","7","6","3","1") = "6"
    & skf21("5","1","3","6","7","6","4","1") = "6"
    & skf21("5","1","3","6","7","6","5","1") = "6"
    & skf21("5","1","3","6","7","6","6","1") = "6"
    & skf21("5","1","3","6","7","6","7","1") = "6"
    & skf21("5","1","3","6","7","7","1","1") = "6"
    & skf21("5","1","3","6","7","7","2","1") = "6"
    & skf21("5","1","3","6","7","7","3","1") = "6"
    & skf21("5","1","3","6","7","7","4","1") = "6"
    & skf21("5","1","3","6","7","7","5","1") = "6"
    & skf21("5","1","3","6","7","7","6","1") = "6"
    & skf21("5","1","3","6","7","7","7","1") = "6"
    & skf21("5","1","3","7","1","1","1","1") = "6"
    & skf21("5","1","3","7","1","1","2","1") = "6"
    & skf21("5","1","3","7","1","1","3","1") = "6"
    & skf21("5","1","3","7","1","1","4","1") = "6"
    & skf21("5","1","3","7","1","1","5","1") = "6"
    & skf21("5","1","3","7","1","1","6","1") = "6"
    & skf21("5","1","3","7","1","1","7","1") = "6"
    & skf21("5","1","3","7","1","2","1","1") = "6"
    & skf21("5","1","3","7","1","2","2","1") = "6"
    & skf21("5","1","3","7","1","2","3","1") = "6"
    & skf21("5","1","3","7","1","2","4","1") = "6"
    & skf21("5","1","3","7","1","2","5","1") = "6"
    & skf21("5","1","3","7","1","2","6","1") = "6"
    & skf21("5","1","3","7","1","2","7","1") = "6"
    & skf21("5","1","3","7","1","3","1","1") = "6"
    & skf21("5","1","3","7","1","3","2","1") = "6"
    & skf21("5","1","3","7","1","3","3","1") = "6"
    & skf21("5","1","3","7","1","3","4","1") = "6"
    & skf21("5","1","3","7","1","3","5","1") = "6"
    & skf21("5","1","3","7","1","3","6","1") = "6"
    & skf21("5","1","3","7","1","3","7","1") = "6"
    & skf21("5","1","3","7","1","4","1","1") = "6"
    & skf21("5","1","3","7","1","4","2","1") = "6"
    & skf21("5","1","3","7","1","4","3","1") = "6"
    & skf21("5","1","3","7","1","4","4","1") = "6"
    & skf21("5","1","3","7","1","4","5","1") = "6"
    & skf21("5","1","3","7","1","4","6","1") = "6"
    & skf21("5","1","3","7","1","4","7","1") = "6"
    & skf21("5","1","3","7","1","5","1","1") = "6"
    & skf21("5","1","3","7","1","5","2","1") = "6"
    & skf21("5","1","3","7","1","5","3","1") = "6"
    & skf21("5","1","3","7","1","5","4","1") = "6"
    & skf21("5","1","3","7","1","5","5","1") = "6"
    & skf21("5","1","3","7","1","5","6","1") = "6"
    & skf21("5","1","3","7","1","5","7","1") = "6"
    & skf21("5","1","3","7","1","6","1","1") = "6"
    & skf21("5","1","3","7","1","6","2","1") = "6"
    & skf21("5","1","3","7","1","6","3","1") = "6"
    & skf21("5","1","3","7","1","6","4","1") = "6"
    & skf21("5","1","3","7","1","6","5","1") = "6"
    & skf21("5","1","3","7","1","6","6","1") = "6"
    & skf21("5","1","3","7","1","6","7","1") = "6"
    & skf21("5","1","3","7","1","7","1","1") = "6"
    & skf21("5","1","3","7","1","7","2","1") = "6"
    & skf21("5","1","3","7","1","7","3","1") = "6"
    & skf21("5","1","3","7","1","7","4","1") = "6"
    & skf21("5","1","3","7","1","7","5","1") = "6"
    & skf21("5","1","3","7","1","7","6","1") = "6"
    & skf21("5","1","3","7","1","7","7","1") = "6"
    & skf21("5","1","3","7","2","1","1","1") = "6"
    & skf21("5","1","3","7","2","1","2","1") = "6"
    & skf21("5","1","3","7","2","1","3","1") = "6"
    & skf21("5","1","3","7","2","1","4","1") = "6"
    & skf21("5","1","3","7","2","1","5","1") = "6"
    & skf21("5","1","3","7","2","1","6","1") = "6"
    & skf21("5","1","3","7","2","1","7","1") = "6"
    & skf21("5","1","3","7","2","2","1","1") = "6"
    & skf21("5","1","3","7","2","2","2","1") = "6"
    & skf21("5","1","3","7","2","2","3","1") = "6"
    & skf21("5","1","3","7","2","2","4","1") = "6"
    & skf21("5","1","3","7","2","2","5","1") = "6"
    & skf21("5","1","3","7","2","2","6","1") = "6"
    & skf21("5","1","3","7","2","2","7","1") = "6"
    & skf21("5","1","3","7","2","3","1","1") = "6"
    & skf21("5","1","3","7","2","3","2","1") = "6"
    & skf21("5","1","3","7","2","3","3","1") = "6"
    & skf21("5","1","3","7","2","3","4","1") = "6"
    & skf21("5","1","3","7","2","3","5","1") = "6"
    & skf21("5","1","3","7","2","3","6","1") = "6"
    & skf21("5","1","3","7","2","3","7","1") = "6"
    & skf21("5","1","3","7","2","4","1","1") = "6"
    & skf21("5","1","3","7","2","4","2","1") = "6"
    & skf21("5","1","3","7","2","4","3","1") = "6"
    & skf21("5","1","3","7","2","4","4","1") = "6"
    & skf21("5","1","3","7","2","4","5","1") = "6"
    & skf21("5","1","3","7","2","4","6","1") = "6"
    & skf21("5","1","3","7","2","4","7","1") = "6"
    & skf21("5","1","3","7","2","5","1","1") = "6"
    & skf21("5","1","3","7","2","5","2","1") = "6"
    & skf21("5","1","3","7","2","5","3","1") = "6"
    & skf21("5","1","3","7","2","5","4","1") = "6"
    & skf21("5","1","3","7","2","5","5","1") = "6"
    & skf21("5","1","3","7","2","5","6","1") = "6"
    & skf21("5","1","3","7","2","5","7","1") = "6"
    & skf21("5","1","3","7","2","6","1","1") = "6"
    & skf21("5","1","3","7","2","6","2","1") = "6"
    & skf21("5","1","3","7","2","6","3","1") = "6"
    & skf21("5","1","3","7","2","6","4","1") = "6"
    & skf21("5","1","3","7","2","6","5","1") = "6"
    & skf21("5","1","3","7","2","6","6","1") = "6"
    & skf21("5","1","3","7","2","6","7","1") = "6"
    & skf21("5","1","3","7","2","7","1","1") = "6"
    & skf21("5","1","3","7","2","7","2","1") = "6"
    & skf21("5","1","3","7","2","7","3","1") = "6"
    & skf21("5","1","3","7","2","7","4","1") = "6"
    & skf21("5","1","3","7","2","7","5","1") = "6"
    & skf21("5","1","3","7","2","7","6","1") = "6"
    & skf21("5","1","3","7","2","7","7","1") = "6"
    & skf21("5","1","3","7","3","1","1","1") = "6"
    & skf21("5","1","3","7","3","1","2","1") = "6"
    & skf21("5","1","3","7","3","1","3","1") = "6"
    & skf21("5","1","3","7","3","1","4","1") = "6"
    & skf21("5","1","3","7","3","1","5","1") = "6"
    & skf21("5","1","3","7","3","1","6","1") = "6"
    & skf21("5","1","3","7","3","1","7","1") = "6"
    & skf21("5","1","3","7","3","2","1","1") = "6"
    & skf21("5","1","3","7","3","2","2","1") = "6"
    & skf21("5","1","3","7","3","2","3","1") = "6"
    & skf21("5","1","3","7","3","2","4","1") = "6"
    & skf21("5","1","3","7","3","2","5","1") = "6"
    & skf21("5","1","3","7","3","2","6","1") = "6"
    & skf21("5","1","3","7","3","2","7","1") = "6"
    & skf21("5","1","3","7","3","3","1","1") = "6"
    & skf21("5","1","3","7","3","3","2","1") = "6"
    & skf21("5","1","3","7","3","3","3","1") = "6"
    & skf21("5","1","3","7","3","3","4","1") = "6"
    & skf21("5","1","3","7","3","3","5","1") = "6"
    & skf21("5","1","3","7","3","3","6","1") = "6"
    & skf21("5","1","3","7","3","3","7","1") = "6"
    & skf21("5","1","3","7","3","4","1","1") = "6"
    & skf21("5","1","3","7","3","4","2","1") = "6"
    & skf21("5","1","3","7","3","4","3","1") = "6"
    & skf21("5","1","3","7","3","4","4","1") = "6"
    & skf21("5","1","3","7","3","4","5","1") = "6"
    & skf21("5","1","3","7","3","4","6","1") = "6"
    & skf21("5","1","3","7","3","4","7","1") = "6"
    & skf21("5","1","3","7","3","5","1","1") = "6"
    & skf21("5","1","3","7","3","5","2","1") = "6"
    & skf21("5","1","3","7","3","5","3","1") = "6"
    & skf21("5","1","3","7","3","5","4","1") = "6"
    & skf21("5","1","3","7","3","5","5","1") = "6"
    & skf21("5","1","3","7","3","5","6","1") = "6"
    & skf21("5","1","3","7","3","5","7","1") = "6"
    & skf21("5","1","3","7","3","6","1","1") = "6"
    & skf21("5","1","3","7","3","6","2","1") = "6"
    & skf21("5","1","3","7","3","6","3","1") = "6"
    & skf21("5","1","3","7","3","6","4","1") = "6"
    & skf21("5","1","3","7","3","6","5","1") = "6"
    & skf21("5","1","3","7","3","6","6","1") = "6"
    & skf21("5","1","3","7","3","6","7","1") = "6"
    & skf21("5","1","3","7","3","7","1","1") = "6"
    & skf21("5","1","3","7","3","7","2","1") = "6"
    & skf21("5","1","3","7","3","7","3","1") = "6"
    & skf21("5","1","3","7","3","7","4","1") = "6"
    & skf21("5","1","3","7","3","7","5","1") = "6"
    & skf21("5","1","3","7","3","7","6","1") = "6"
    & skf21("5","1","3","7","3","7","7","1") = "6"
    & skf21("5","1","3","7","4","1","1","1") = "6"
    & skf21("5","1","3","7","4","1","2","1") = "6"
    & skf21("5","1","3","7","4","1","3","1") = "6"
    & skf21("5","1","3","7","4","1","4","1") = "6"
    & skf21("5","1","3","7","4","1","5","1") = "6"
    & skf21("5","1","3","7","4","1","6","1") = "6"
    & skf21("5","1","3","7","4","1","7","1") = "6"
    & skf21("5","1","3","7","4","2","1","1") = "6"
    & skf21("5","1","3","7","4","2","2","1") = "6"
    & skf21("5","1","3","7","4","2","3","1") = "6"
    & skf21("5","1","3","7","4","2","4","1") = "6"
    & skf21("5","1","3","7","4","2","5","1") = "6"
    & skf21("5","1","3","7","4","2","6","1") = "6"
    & skf21("5","1","3","7","4","2","7","1") = "6"
    & skf21("5","1","3","7","4","3","1","1") = "6"
    & skf21("5","1","3","7","4","3","2","1") = "6"
    & skf21("5","1","3","7","4","3","3","1") = "6"
    & skf21("5","1","3","7","4","3","4","1") = "6"
    & skf21("5","1","3","7","4","3","5","1") = "6"
    & skf21("5","1","3","7","4","3","6","1") = "6"
    & skf21("5","1","3","7","4","3","7","1") = "6"
    & skf21("5","1","3","7","4","4","1","1") = "6"
    & skf21("5","1","3","7","4","4","2","1") = "6"
    & skf21("5","1","3","7","4","4","3","1") = "6"
    & skf21("5","1","3","7","4","4","4","1") = "6"
    & skf21("5","1","3","7","4","4","5","1") = "6"
    & skf21("5","1","3","7","4","4","6","1") = "6"
    & skf21("5","1","3","7","4","4","7","1") = "6"
    & skf21("5","1","3","7","4","5","1","1") = "6"
    & skf21("5","1","3","7","4","5","2","1") = "6"
    & skf21("5","1","3","7","4","5","3","1") = "6"
    & skf21("5","1","3","7","4","5","4","1") = "6"
    & skf21("5","1","3","7","4","5","5","1") = "6"
    & skf21("5","1","3","7","4","5","6","1") = "6"
    & skf21("5","1","3","7","4","5","7","1") = "6"
    & skf21("5","1","3","7","4","6","1","1") = "6"
    & skf21("5","1","3","7","4","6","2","1") = "6"
    & skf21("5","1","3","7","4","6","3","1") = "6"
    & skf21("5","1","3","7","4","6","4","1") = "6"
    & skf21("5","1","3","7","4","6","5","1") = "6"
    & skf21("5","1","3","7","4","6","6","1") = "6"
    & skf21("5","1","3","7","4","6","7","1") = "6"
    & skf21("5","1","3","7","4","7","1","1") = "6"
    & skf21("5","1","3","7","4","7","2","1") = "6"
    & skf21("5","1","3","7","4","7","3","1") = "6"
    & skf21("5","1","3","7","4","7","4","1") = "6"
    & skf21("5","1","3","7","4","7","5","1") = "6"
    & skf21("5","1","3","7","4","7","6","1") = "6"
    & skf21("5","1","3","7","4","7","7","1") = "6"
    & skf21("5","1","3","7","5","1","1","1") = "6"
    & skf21("5","1","3","7","5","1","2","1") = "6"
    & skf21("5","1","3","7","5","1","3","1") = "6"
    & skf21("5","1","3","7","5","1","4","1") = "6"
    & skf21("5","1","3","7","5","1","5","1") = "6"
    & skf21("5","1","3","7","5","1","6","1") = "6"
    & skf21("5","1","3","7","5","1","7","1") = "6"
    & skf21("5","1","3","7","5","2","1","1") = "6"
    & skf21("5","1","3","7","5","2","2","1") = "6"
    & skf21("5","1","3","7","5","2","3","1") = "6"
    & skf21("5","1","3","7","5","2","4","1") = "6"
    & skf21("5","1","3","7","5","2","5","1") = "6"
    & skf21("5","1","3","7","5","2","6","1") = "6"
    & skf21("5","1","3","7","5","2","7","1") = "6"
    & skf21("5","1","3","7","5","3","1","1") = "6"
    & skf21("5","1","3","7","5","3","2","1") = "6"
    & skf21("5","1","3","7","5","3","3","1") = "6"
    & skf21("5","1","3","7","5","3","4","1") = "6"
    & skf21("5","1","3","7","5","3","5","1") = "6"
    & skf21("5","1","3","7","5","3","6","1") = "6"
    & skf21("5","1","3","7","5","3","7","1") = "6"
    & skf21("5","1","3","7","5","4","1","1") = "6"
    & skf21("5","1","3","7","5","4","2","1") = "6"
    & skf21("5","1","3","7","5","4","3","1") = "6"
    & skf21("5","1","3","7","5","4","4","1") = "6"
    & skf21("5","1","3","7","5","4","5","1") = "6"
    & skf21("5","1","3","7","5","4","6","1") = "6"
    & skf21("5","1","3","7","5","4","7","1") = "6"
    & skf21("5","1","3","7","5","5","1","1") = "6"
    & skf21("5","1","3","7","5","5","2","1") = "6"
    & skf21("5","1","3","7","5","5","3","1") = "6"
    & skf21("5","1","3","7","5","5","4","1") = "6"
    & skf21("5","1","3","7","5","5","5","1") = "6"
    & skf21("5","1","3","7","5","5","6","1") = "6"
    & skf21("5","1","3","7","5","5","7","1") = "6"
    & skf21("5","1","3","7","5","6","1","1") = "6"
    & skf21("5","1","3","7","5","6","2","1") = "6"
    & skf21("5","1","3","7","5","6","3","1") = "6"
    & skf21("5","1","3","7","5","6","4","1") = "6"
    & skf21("5","1","3","7","5","6","5","1") = "6"
    & skf21("5","1","3","7","5","6","6","1") = "6"
    & skf21("5","1","3","7","5","6","7","1") = "6"
    & skf21("5","1","3","7","5","7","1","1") = "6"
    & skf21("5","1","3","7","5","7","2","1") = "6"
    & skf21("5","1","3","7","5","7","3","1") = "6"
    & skf21("5","1","3","7","5","7","4","1") = "6"
    & skf21("5","1","3","7","5","7","5","1") = "6"
    & skf21("5","1","3","7","5","7","6","1") = "6"
    & skf21("5","1","3","7","5","7","7","1") = "6"
    & skf21("5","1","3","7","6","1","1","1") = "6"
    & skf21("5","1","3","7","6","1","2","1") = "6"
    & skf21("5","1","3","7","6","1","3","1") = "6"
    & skf21("5","1","3","7","6","1","4","1") = "6"
    & skf21("5","1","3","7","6","1","5","1") = "6"
    & skf21("5","1","3","7","6","1","6","1") = "6"
    & skf21("5","1","3","7","6","1","7","1") = "6"
    & skf21("5","1","3","7","6","2","1","1") = "6"
    & skf21("5","1","3","7","6","2","2","1") = "6"
    & skf21("5","1","3","7","6","2","3","1") = "6"
    & skf21("5","1","3","7","6","2","4","1") = "6"
    & skf21("5","1","3","7","6","2","5","1") = "6"
    & skf21("5","1","3","7","6","2","6","1") = "6"
    & skf21("5","1","3","7","6","2","7","1") = "6"
    & skf21("5","1","3","7","6","3","1","1") = "6"
    & skf21("5","1","3","7","6","3","2","1") = "6"
    & skf21("5","1","3","7","6","3","3","1") = "6"
    & skf21("5","1","3","7","6","3","4","1") = "6"
    & skf21("5","1","3","7","6","3","5","1") = "6"
    & skf21("5","1","3","7","6","3","6","1") = "6"
    & skf21("5","1","3","7","6","3","7","1") = "6"
    & skf21("5","1","3","7","6","4","1","1") = "6"
    & skf21("5","1","3","7","6","4","2","1") = "6"
    & skf21("5","1","3","7","6","4","3","1") = "6"
    & skf21("5","1","3","7","6","4","4","1") = "6"
    & skf21("5","1","3","7","6","4","5","1") = "6"
    & skf21("5","1","3","7","6","4","6","1") = "6"
    & skf21("5","1","3","7","6","4","7","1") = "6"
    & skf21("5","1","3","7","6","5","1","1") = "6"
    & skf21("5","1","3","7","6","5","2","1") = "6"
    & skf21("5","1","3","7","6","5","3","1") = "6"
    & skf21("5","1","3","7","6","5","4","1") = "6"
    & skf21("5","1","3","7","6","5","5","1") = "6"
    & skf21("5","1","3","7","6","5","6","1") = "6"
    & skf21("5","1","3","7","6","5","7","1") = "6"
    & skf21("5","1","3","7","6","6","1","1") = "6"
    & skf21("5","1","3","7","6","6","2","1") = "6"
    & skf21("5","1","3","7","6","6","3","1") = "6"
    & skf21("5","1","3","7","6","6","4","1") = "6"
    & skf21("5","1","3","7","6","6","5","1") = "6"
    & skf21("5","1","3","7","6","6","6","1") = "6"
    & skf21("5","1","3","7","6","6","7","1") = "6"
    & skf21("5","1","3","7","6","7","1","1") = "6"
    & skf21("5","1","3","7","6","7","2","1") = "6"
    & skf21("5","1","3","7","6","7","3","1") = "6"
    & skf21("5","1","3","7","6","7","4","1") = "6"
    & skf21("5","1","3","7","6","7","5","1") = "6"
    & skf21("5","1","3","7","6","7","6","1") = "6"
    & skf21("5","1","3","7","6","7","7","1") = "6"
    & skf21("5","1","3","7","7","1","1","1") = "6"
    & skf21("5","1","3","7","7","1","2","1") = "6"
    & skf21("5","1","3","7","7","1","3","1") = "6"
    & skf21("5","1","3","7","7","1","4","1") = "6"
    & skf21("5","1","3","7","7","1","5","1") = "6"
    & skf21("5","1","3","7","7","1","6","1") = "6"
    & skf21("5","1","3","7","7","1","7","1") = "6"
    & skf21("5","1","3","7","7","2","1","1") = "6"
    & skf21("5","1","3","7","7","2","2","1") = "6"
    & skf21("5","1","3","7","7","2","3","1") = "6"
    & skf21("5","1","3","7","7","2","4","1") = "6"
    & skf21("5","1","3","7","7","2","5","1") = "6"
    & skf21("5","1","3","7","7","2","6","1") = "6"
    & skf21("5","1","3","7","7","2","7","1") = "6"
    & skf21("5","1","3","7","7","3","1","1") = "6"
    & skf21("5","1","3","7","7","3","2","1") = "6"
    & skf21("5","1","3","7","7","3","3","1") = "6"
    & skf21("5","1","3","7","7","3","4","1") = "6"
    & skf21("5","1","3","7","7","3","5","1") = "6"
    & skf21("5","1","3","7","7","3","6","1") = "6"
    & skf21("5","1","3","7","7","3","7","1") = "6"
    & skf21("5","1","3","7","7","4","1","1") = "6"
    & skf21("5","1","3","7","7","4","2","1") = "6"
    & skf21("5","1","3","7","7","4","3","1") = "6"
    & skf21("5","1","3","7","7","4","4","1") = "6"
    & skf21("5","1","3","7","7","4","5","1") = "6"
    & skf21("5","1","3","7","7","4","6","1") = "6"
    & skf21("5","1","3","7","7","4","7","1") = "6"
    & skf21("5","1","3","7","7","5","1","1") = "6"
    & skf21("5","1","3","7","7","5","2","1") = "6"
    & skf21("5","1","3","7","7","5","3","1") = "6"
    & skf21("5","1","3","7","7","5","4","1") = "6"
    & skf21("5","1","3","7","7","5","5","1") = "6"
    & skf21("5","1","3","7","7","5","6","1") = "6"
    & skf21("5","1","3","7","7","5","7","1") = "6"
    & skf21("5","1","3","7","7","6","1","1") = "6"
    & skf21("5","1","3","7","7","6","2","1") = "6"
    & skf21("5","1","3","7","7","6","3","1") = "6"
    & skf21("5","1","3","7","7","6","4","1") = "6"
    & skf21("5","1","3","7","7","6","5","1") = "6"
    & skf21("5","1","3","7","7","6","6","1") = "6"
    & skf21("5","1","3","7","7","6","7","1") = "6"
    & skf21("5","1","3","7","7","7","1","1") = "6"
    & skf21("5","1","3","7","7","7","2","1") = "6"
    & skf21("5","1","3","7","7","7","3","1") = "6"
    & skf21("5","1","3","7","7","7","4","1") = "6"
    & skf21("5","1","3","7","7","7","5","1") = "6"
    & skf21("5","1","3","7","7","7","6","1") = "6"
    & skf21("5","1","3","7","7","7","7","1") = "6"
    & skf21("5","1","4","1","1","1","1","1") = "4"
    & skf21("5","1","4","1","1","1","2","1") = "4"
    & skf21("5","1","4","1","1","1","3","1") = "4"
    & skf21("5","1","4","1","1","1","4","1") = "4"
    & skf21("5","1","4","1","1","1","5","1") = "4"
    & skf21("5","1","4","1","1","1","6","1") = "5"
    & skf21("5","1","4","1","1","1","7","1") = "6"
    & skf21("5","1","4","1","1","2","1","1") = "4"
    & skf21("5","1","4","1","1","2","2","1") = "4"
    & skf21("5","1","4","1","1","2","3","1") = "4"
    & skf21("5","1","4","1","1","2","4","1") = "4"
    & skf21("5","1","4","1","1","2","5","1") = "4"
    & skf21("5","1","4","1","1","2","6","1") = "5"
    & skf21("5","1","4","1","1","2","7","1") = "6"
    & skf21("5","1","4","1","1","3","1","1") = "4"
    & skf21("5","1","4","1","1","3","2","1") = "4"
    & skf21("5","1","4","1","1","3","3","1") = "4"
    & skf21("5","1","4","1","1","3","4","1") = "4"
    & skf21("5","1","4","1","1","3","5","1") = "4"
    & skf21("5","1","4","1","1","3","6","1") = "5"
    & skf21("5","1","4","1","1","3","7","1") = "6"
    & skf21("5","1","4","1","1","4","1","1") = "4"
    & skf21("5","1","4","1","1","4","2","1") = "4"
    & skf21("5","1","4","1","1","4","3","1") = "4"
    & skf21("5","1","4","1","1","4","4","1") = "4"
    & skf21("5","1","4","1","1","4","5","1") = "4"
    & skf21("5","1","4","1","1","4","6","1") = "5"
    & skf21("5","1","4","1","1","4","7","1") = "6"
    & skf21("5","1","4","1","1","5","1","1") = "4"
    & skf21("5","1","4","1","1","5","2","1") = "4"
    & skf21("5","1","4","1","1","5","3","1") = "4"
    & skf21("5","1","4","1","1","5","4","1") = "4"
    & skf21("5","1","4","1","1","5","5","1") = "4"
    & skf21("5","1","4","1","1","5","6","1") = "5"
    & skf21("5","1","4","1","1","5","7","1") = "6"
    & skf21("5","1","4","1","1","6","1","1") = "5"
    & skf21("5","1","4","1","1","6","2","1") = "5"
    & skf21("5","1","4","1","1","6","3","1") = "5"
    & skf21("5","1","4","1","1","6","4","1") = "5"
    & skf21("5","1","4","1","1","6","5","1") = "5"
    & skf21("5","1","4","1","1","6","6","1") = "5"
    & skf21("5","1","4","1","1","6","7","1") = "6"
    & skf21("5","1","4","1","1","7","1","1") = "6"
    & skf21("5","1","4","1","1","7","2","1") = "6"
    & skf21("5","1","4","1","1","7","3","1") = "6"
    & skf21("5","1","4","1","1","7","4","1") = "6"
    & skf21("5","1","4","1","1","7","5","1") = "6"
    & skf21("5","1","4","1","1","7","6","1") = "6"
    & skf21("5","1","4","1","1","7","7","1") = "6"
    & skf21("5","1","4","1","2","1","1","1") = "4"
    & skf21("5","1","4","1","2","1","2","1") = "4"
    & skf21("5","1","4","1","2","1","3","1") = "4"
    & skf21("5","1","4","1","2","1","4","1") = "4"
    & skf21("5","1","4","1","2","1","5","1") = "4"
    & skf21("5","1","4","1","2","1","6","1") = "5"
    & skf21("5","1","4","1","2","1","7","1") = "6"
    & skf21("5","1","4","1","2","2","1","1") = "4"
    & skf21("5","1","4","1","2","2","2","1") = "4"
    & skf21("5","1","4","1","2","2","3","1") = "4"
    & skf21("5","1","4","1","2","2","4","1") = "4"
    & skf21("5","1","4","1","2","2","5","1") = "4"
    & skf21("5","1","4","1","2","2","6","1") = "5"
    & skf21("5","1","4","1","2","2","7","1") = "6"
    & skf21("5","1","4","1","2","3","1","1") = "4"
    & skf21("5","1","4","1","2","3","2","1") = "4"
    & skf21("5","1","4","1","2","3","3","1") = "4"
    & skf21("5","1","4","1","2","3","4","1") = "4"
    & skf21("5","1","4","1","2","3","5","1") = "4"
    & skf21("5","1","4","1","2","3","6","1") = "5"
    & skf21("5","1","4","1","2","3","7","1") = "6"
    & skf21("5","1","4","1","2","4","1","1") = "4"
    & skf21("5","1","4","1","2","4","2","1") = "4"
    & skf21("5","1","4","1","2","4","3","1") = "4"
    & skf21("5","1","4","1","2","4","4","1") = "4"
    & skf21("5","1","4","1","2","4","5","1") = "4"
    & skf21("5","1","4","1","2","4","6","1") = "5"
    & skf21("5","1","4","1","2","4","7","1") = "6"
    & skf21("5","1","4","1","2","5","1","1") = "4"
    & skf21("5","1","4","1","2","5","2","1") = "4"
    & skf21("5","1","4","1","2","5","3","1") = "4"
    & skf21("5","1","4","1","2","5","4","1") = "4"
    & skf21("5","1","4","1","2","5","5","1") = "4"
    & skf21("5","1","4","1","2","5","6","1") = "5"
    & skf21("5","1","4","1","2","5","7","1") = "6"
    & skf21("5","1","4","1","2","6","1","1") = "5"
    & skf21("5","1","4","1","2","6","2","1") = "5"
    & skf21("5","1","4","1","2","6","3","1") = "5"
    & skf21("5","1","4","1","2","6","4","1") = "5"
    & skf21("5","1","4","1","2","6","5","1") = "5"
    & skf21("5","1","4","1","2","6","6","1") = "5"
    & skf21("5","1","4","1","2","6","7","1") = "6"
    & skf21("5","1","4","1","2","7","1","1") = "6"
    & skf21("5","1","4","1","2","7","2","1") = "6"
    & skf21("5","1","4","1","2","7","3","1") = "6"
    & skf21("5","1","4","1","2","7","4","1") = "6"
    & skf21("5","1","4","1","2","7","5","1") = "6"
    & skf21("5","1","4","1","2","7","6","1") = "6"
    & skf21("5","1","4","1","2","7","7","1") = "6"
    & skf21("5","1","4","1","3","1","1","1") = "4"
    & skf21("5","1","4","1","3","1","2","1") = "4"
    & skf21("5","1","4","1","3","1","3","1") = "4"
    & skf21("5","1","4","1","3","1","4","1") = "4"
    & skf21("5","1","4","1","3","1","5","1") = "4"
    & skf21("5","1","4","1","3","1","6","1") = "5"
    & skf21("5","1","4","1","3","1","7","1") = "6"
    & skf21("5","1","4","1","3","2","1","1") = "4"
    & skf21("5","1","4","1","3","2","2","1") = "4"
    & skf21("5","1","4","1","3","2","3","1") = "4"
    & skf21("5","1","4","1","3","2","4","1") = "4"
    & skf21("5","1","4","1","3","2","5","1") = "4"
    & skf21("5","1","4","1","3","2","6","1") = "5"
    & skf21("5","1","4","1","3","2","7","1") = "6"
    & skf21("5","1","4","1","3","3","1","1") = "4"
    & skf21("5","1","4","1","3","3","2","1") = "4"
    & skf21("5","1","4","1","3","3","3","1") = "4"
    & skf21("5","1","4","1","3","3","4","1") = "4"
    & skf21("5","1","4","1","3","3","5","1") = "4"
    & skf21("5","1","4","1","3","3","6","1") = "5"
    & skf21("5","1","4","1","3","3","7","1") = "6"
    & skf21("5","1","4","1","3","4","1","1") = "4"
    & skf21("5","1","4","1","3","4","2","1") = "4"
    & skf21("5","1","4","1","3","4","3","1") = "4"
    & skf21("5","1","4","1","3","4","4","1") = "4"
    & skf21("5","1","4","1","3","4","5","1") = "4"
    & skf21("5","1","4","1","3","4","6","1") = "5"
    & skf21("5","1","4","1","3","4","7","1") = "6"
    & skf21("5","1","4","1","3","5","1","1") = "4"
    & skf21("5","1","4","1","3","5","2","1") = "4"
    & skf21("5","1","4","1","3","5","3","1") = "4"
    & skf21("5","1","4","1","3","5","4","1") = "4"
    & skf21("5","1","4","1","3","5","5","1") = "4"
    & skf21("5","1","4","1","3","5","6","1") = "5"
    & skf21("5","1","4","1","3","5","7","1") = "6"
    & skf21("5","1","4","1","3","6","1","1") = "5"
    & skf21("5","1","4","1","3","6","2","1") = "5"
    & skf21("5","1","4","1","3","6","3","1") = "5"
    & skf21("5","1","4","1","3","6","4","1") = "5"
    & skf21("5","1","4","1","3","6","5","1") = "5"
    & skf21("5","1","4","1","3","6","6","1") = "5"
    & skf21("5","1","4","1","3","6","7","1") = "6"
    & skf21("5","1","4","1","3","7","1","1") = "6"
    & skf21("5","1","4","1","3","7","2","1") = "6"
    & skf21("5","1","4","1","3","7","3","1") = "6"
    & skf21("5","1","4","1","3","7","4","1") = "6"
    & skf21("5","1","4","1","3","7","5","1") = "6"
    & skf21("5","1","4","1","3","7","6","1") = "6"
    & skf21("5","1","4","1","3","7","7","1") = "6"
    & skf21("5","1","4","1","4","1","1","1") = "4"
    & skf21("5","1","4","1","4","1","2","1") = "4"
    & skf21("5","1","4","1","4","1","3","1") = "4"
    & skf21("5","1","4","1","4","1","4","1") = "4"
    & skf21("5","1","4","1","4","1","5","1") = "4"
    & skf21("5","1","4","1","4","1","6","1") = "5"
    & skf21("5","1","4","1","4","1","7","1") = "6"
    & skf21("5","1","4","1","4","2","1","1") = "4"
    & skf21("5","1","4","1","4","2","2","1") = "4"
    & skf21("5","1","4","1","4","2","3","1") = "4"
    & skf21("5","1","4","1","4","2","4","1") = "4"
    & skf21("5","1","4","1","4","2","5","1") = "4"
    & skf21("5","1","4","1","4","2","6","1") = "5"
    & skf21("5","1","4","1","4","2","7","1") = "6"
    & skf21("5","1","4","1","4","3","1","1") = "4"
    & skf21("5","1","4","1","4","3","2","1") = "4"
    & skf21("5","1","4","1","4","3","3","1") = "4"
    & skf21("5","1","4","1","4","3","4","1") = "4"
    & skf21("5","1","4","1","4","3","5","1") = "4"
    & skf21("5","1","4","1","4","3","6","1") = "5"
    & skf21("5","1","4","1","4","3","7","1") = "6"
    & skf21("5","1","4","1","4","4","1","1") = "4"
    & skf21("5","1","4","1","4","4","2","1") = "4"
    & skf21("5","1","4","1","4","4","3","1") = "4"
    & skf21("5","1","4","1","4","4","4","1") = "4"
    & skf21("5","1","4","1","4","4","5","1") = "4"
    & skf21("5","1","4","1","4","4","6","1") = "5"
    & skf21("5","1","4","1","4","4","7","1") = "6"
    & skf21("5","1","4","1","4","5","1","1") = "4"
    & skf21("5","1","4","1","4","5","2","1") = "4"
    & skf21("5","1","4","1","4","5","3","1") = "4"
    & skf21("5","1","4","1","4","5","4","1") = "4"
    & skf21("5","1","4","1","4","5","5","1") = "4"
    & skf21("5","1","4","1","4","5","6","1") = "5"
    & skf21("5","1","4","1","4","5","7","1") = "6"
    & skf21("5","1","4","1","4","6","1","1") = "5"
    & skf21("5","1","4","1","4","6","2","1") = "5"
    & skf21("5","1","4","1","4","6","3","1") = "5"
    & skf21("5","1","4","1","4","6","4","1") = "5"
    & skf21("5","1","4","1","4","6","5","1") = "5"
    & skf21("5","1","4","1","4","6","6","1") = "5"
    & skf21("5","1","4","1","4","6","7","1") = "6"
    & skf21("5","1","4","1","4","7","1","1") = "6"
    & skf21("5","1","4","1","4","7","2","1") = "6"
    & skf21("5","1","4","1","4","7","3","1") = "6"
    & skf21("5","1","4","1","4","7","4","1") = "6"
    & skf21("5","1","4","1","4","7","5","1") = "6"
    & skf21("5","1","4","1","4","7","6","1") = "6"
    & skf21("5","1","4","1","4","7","7","1") = "6"
    & skf21("5","1","4","1","5","1","1","1") = "4"
    & skf21("5","1","4","1","5","1","2","1") = "4"
    & skf21("5","1","4","1","5","1","3","1") = "4"
    & skf21("5","1","4","1","5","1","4","1") = "4"
    & skf21("5","1","4","1","5","1","5","1") = "4"
    & skf21("5","1","4","1","5","1","6","1") = "5"
    & skf21("5","1","4","1","5","1","7","1") = "6"
    & skf21("5","1","4","1","5","2","1","1") = "4"
    & skf21("5","1","4","1","5","2","2","1") = "4"
    & skf21("5","1","4","1","5","2","3","1") = "4"
    & skf21("5","1","4","1","5","2","4","1") = "4"
    & skf21("5","1","4","1","5","2","5","1") = "4"
    & skf21("5","1","4","1","5","2","6","1") = "5"
    & skf21("5","1","4","1","5","2","7","1") = "6"
    & skf21("5","1","4","1","5","3","1","1") = "4"
    & skf21("5","1","4","1","5","3","2","1") = "4"
    & skf21("5","1","4","1","5","3","3","1") = "4"
    & skf21("5","1","4","1","5","3","4","1") = "4"
    & skf21("5","1","4","1","5","3","5","1") = "4"
    & skf21("5","1","4","1","5","3","6","1") = "5"
    & skf21("5","1","4","1","5","3","7","1") = "6"
    & skf21("5","1","4","1","5","4","1","1") = "4"
    & skf21("5","1","4","1","5","4","2","1") = "4"
    & skf21("5","1","4","1","5","4","3","1") = "4"
    & skf21("5","1","4","1","5","4","4","1") = "4"
    & skf21("5","1","4","1","5","4","5","1") = "4"
    & skf21("5","1","4","1","5","4","6","1") = "5"
    & skf21("5","1","4","1","5","4","7","1") = "6"
    & skf21("5","1","4","1","5","5","1","1") = "4"
    & skf21("5","1","4","1","5","5","2","1") = "4"
    & skf21("5","1","4","1","5","5","3","1") = "4"
    & skf21("5","1","4","1","5","5","4","1") = "4"
    & skf21("5","1","4","1","5","5","5","1") = "4"
    & skf21("5","1","4","1","5","5","6","1") = "5"
    & skf21("5","1","4","1","5","5","7","1") = "6"
    & skf21("5","1","4","1","5","6","1","1") = "5"
    & skf21("5","1","4","1","5","6","2","1") = "5"
    & skf21("5","1","4","1","5","6","3","1") = "5"
    & skf21("5","1","4","1","5","6","4","1") = "5"
    & skf21("5","1","4","1","5","6","5","1") = "5"
    & skf21("5","1","4","1","5","6","6","1") = "5"
    & skf21("5","1","4","1","5","6","7","1") = "6"
    & skf21("5","1","4","1","5","7","1","1") = "6"
    & skf21("5","1","4","1","5","7","2","1") = "6"
    & skf21("5","1","4","1","5","7","3","1") = "6"
    & skf21("5","1","4","1","5","7","4","1") = "6"
    & skf21("5","1","4","1","5","7","5","1") = "6"
    & skf21("5","1","4","1","5","7","6","1") = "6"
    & skf21("5","1","4","1","5","7","7","1") = "6"
    & skf21("5","1","4","1","6","1","1","1") = "5"
    & skf21("5","1","4","1","6","1","2","1") = "5"
    & skf21("5","1","4","1","6","1","3","1") = "5"
    & skf21("5","1","4","1","6","1","4","1") = "5"
    & skf21("5","1","4","1","6","1","5","1") = "5"
    & skf21("5","1","4","1","6","1","6","1") = "5"
    & skf21("5","1","4","1","6","1","7","1") = "6"
    & skf21("5","1","4","1","6","2","1","1") = "5"
    & skf21("5","1","4","1","6","2","2","1") = "5"
    & skf21("5","1","4","1","6","2","3","1") = "5"
    & skf21("5","1","4","1","6","2","4","1") = "5"
    & skf21("5","1","4","1","6","2","5","1") = "5"
    & skf21("5","1","4","1","6","2","6","1") = "5"
    & skf21("5","1","4","1","6","2","7","1") = "6"
    & skf21("5","1","4","1","6","3","1","1") = "5"
    & skf21("5","1","4","1","6","3","2","1") = "5"
    & skf21("5","1","4","1","6","3","3","1") = "5"
    & skf21("5","1","4","1","6","3","4","1") = "5"
    & skf21("5","1","4","1","6","3","5","1") = "5"
    & skf21("5","1","4","1","6","3","6","1") = "5"
    & skf21("5","1","4","1","6","3","7","1") = "6"
    & skf21("5","1","4","1","6","4","1","1") = "5"
    & skf21("5","1","4","1","6","4","2","1") = "5"
    & skf21("5","1","4","1","6","4","3","1") = "5"
    & skf21("5","1","4","1","6","4","4","1") = "5"
    & skf21("5","1","4","1","6","4","5","1") = "5"
    & skf21("5","1","4","1","6","4","6","1") = "5"
    & skf21("5","1","4","1","6","4","7","1") = "6"
    & skf21("5","1","4","1","6","5","1","1") = "5"
    & skf21("5","1","4","1","6","5","2","1") = "5"
    & skf21("5","1","4","1","6","5","3","1") = "5"
    & skf21("5","1","4","1","6","5","4","1") = "5"
    & skf21("5","1","4","1","6","5","5","1") = "5"
    & skf21("5","1","4","1","6","5","6","1") = "5"
    & skf21("5","1","4","1","6","5","7","1") = "6"
    & skf21("5","1","4","1","6","6","1","1") = "5"
    & skf21("5","1","4","1","6","6","2","1") = "5"
    & skf21("5","1","4","1","6","6","3","1") = "5"
    & skf21("5","1","4","1","6","6","4","1") = "5"
    & skf21("5","1","4","1","6","6","5","1") = "5"
    & skf21("5","1","4","1","6","6","6","1") = "5"
    & skf21("5","1","4","1","6","6","7","1") = "6"
    & skf21("5","1","4","1","6","7","1","1") = "6"
    & skf21("5","1","4","1","6","7","2","1") = "6"
    & skf21("5","1","4","1","6","7","3","1") = "6"
    & skf21("5","1","4","1","6","7","4","1") = "6"
    & skf21("5","1","4","1","6","7","5","1") = "6"
    & skf21("5","1","4","1","6","7","6","1") = "6"
    & skf21("5","1","4","1","6","7","7","1") = "6"
    & skf21("5","1","4","1","7","1","1","1") = "6"
    & skf21("5","1","4","1","7","1","2","1") = "6"
    & skf21("5","1","4","1","7","1","3","1") = "6"
    & skf21("5","1","4","1","7","1","4","1") = "6"
    & skf21("5","1","4","1","7","1","5","1") = "6"
    & skf21("5","1","4","1","7","1","6","1") = "6"
    & skf21("5","1","4","1","7","1","7","1") = "6"
    & skf21("5","1","4","1","7","2","1","1") = "6"
    & skf21("5","1","4","1","7","2","2","1") = "6"
    & skf21("5","1","4","1","7","2","3","1") = "6"
    & skf21("5","1","4","1","7","2","4","1") = "6"
    & skf21("5","1","4","1","7","2","5","1") = "6"
    & skf21("5","1","4","1","7","2","6","1") = "6"
    & skf21("5","1","4","1","7","2","7","1") = "6"
    & skf21("5","1","4","1","7","3","1","1") = "6"
    & skf21("5","1","4","1","7","3","2","1") = "6"
    & skf21("5","1","4","1","7","3","3","1") = "6"
    & skf21("5","1","4","1","7","3","4","1") = "6"
    & skf21("5","1","4","1","7","3","5","1") = "6"
    & skf21("5","1","4","1","7","3","6","1") = "6"
    & skf21("5","1","4","1","7","3","7","1") = "6"
    & skf21("5","1","4","1","7","4","1","1") = "6"
    & skf21("5","1","4","1","7","4","2","1") = "6"
    & skf21("5","1","4","1","7","4","3","1") = "6"
    & skf21("5","1","4","1","7","4","4","1") = "6"
    & skf21("5","1","4","1","7","4","5","1") = "6"
    & skf21("5","1","4","1","7","4","6","1") = "6"
    & skf21("5","1","4","1","7","4","7","1") = "6"
    & skf21("5","1","4","1","7","5","1","1") = "6"
    & skf21("5","1","4","1","7","5","2","1") = "6"
    & skf21("5","1","4","1","7","5","3","1") = "6"
    & skf21("5","1","4","1","7","5","4","1") = "6"
    & skf21("5","1","4","1","7","5","5","1") = "6"
    & skf21("5","1","4","1","7","5","6","1") = "6"
    & skf21("5","1","4","1","7","5","7","1") = "6"
    & skf21("5","1","4","1","7","6","1","1") = "6"
    & skf21("5","1","4","1","7","6","2","1") = "6"
    & skf21("5","1","4","1","7","6","3","1") = "6"
    & skf21("5","1","4","1","7","6","4","1") = "6"
    & skf21("5","1","4","1","7","6","5","1") = "6"
    & skf21("5","1","4","1","7","6","6","1") = "6"
    & skf21("5","1","4","1","7","6","7","1") = "6"
    & skf21("5","1","4","1","7","7","1","1") = "6"
    & skf21("5","1","4","1","7","7","2","1") = "6"
    & skf21("5","1","4","1","7","7","3","1") = "6"
    & skf21("5","1","4","1","7","7","4","1") = "6"
    & skf21("5","1","4","1","7","7","5","1") = "6"
    & skf21("5","1","4","1","7","7","6","1") = "6"
    & skf21("5","1","4","1","7","7","7","1") = "6"
    & skf21("5","1","4","2","1","1","1","1") = "4"
    & skf21("5","1","4","2","1","1","2","1") = "4"
    & skf21("5","1","4","2","1","1","3","1") = "4"
    & skf21("5","1","4","2","1","1","4","1") = "4"
    & skf21("5","1","4","2","1","1","5","1") = "4"
    & skf21("5","1","4","2","1","1","6","1") = "5"
    & skf21("5","1","4","2","1","1","7","1") = "6"
    & skf21("5","1","4","2","1","2","1","1") = "4"
    & skf21("5","1","4","2","1","2","2","1") = "4"
    & skf21("5","1","4","2","1","2","3","1") = "4"
    & skf21("5","1","4","2","1","2","4","1") = "4"
    & skf21("5","1","4","2","1","2","5","1") = "4"
    & skf21("5","1","4","2","1","2","6","1") = "5"
    & skf21("5","1","4","2","1","2","7","1") = "6"
    & skf21("5","1","4","2","1","3","1","1") = "4"
    & skf21("5","1","4","2","1","3","2","1") = "4"
    & skf21("5","1","4","2","1","3","3","1") = "4"
    & skf21("5","1","4","2","1","3","4","1") = "4"
    & skf21("5","1","4","2","1","3","5","1") = "4"
    & skf21("5","1","4","2","1","3","6","1") = "5"
    & skf21("5","1","4","2","1","3","7","1") = "6"
    & skf21("5","1","4","2","1","4","1","1") = "4"
    & skf21("5","1","4","2","1","4","2","1") = "4"
    & skf21("5","1","4","2","1","4","3","1") = "4"
    & skf21("5","1","4","2","1","4","4","1") = "4"
    & skf21("5","1","4","2","1","4","5","1") = "4"
    & skf21("5","1","4","2","1","4","6","1") = "5"
    & skf21("5","1","4","2","1","4","7","1") = "6"
    & skf21("5","1","4","2","1","5","1","1") = "4"
    & skf21("5","1","4","2","1","5","2","1") = "4"
    & skf21("5","1","4","2","1","5","3","1") = "4"
    & skf21("5","1","4","2","1","5","4","1") = "4"
    & skf21("5","1","4","2","1","5","5","1") = "4"
    & skf21("5","1","4","2","1","5","6","1") = "5"
    & skf21("5","1","4","2","1","5","7","1") = "6"
    & skf21("5","1","4","2","1","6","1","1") = "5"
    & skf21("5","1","4","2","1","6","2","1") = "5"
    & skf21("5","1","4","2","1","6","3","1") = "5"
    & skf21("5","1","4","2","1","6","4","1") = "5"
    & skf21("5","1","4","2","1","6","5","1") = "5"
    & skf21("5","1","4","2","1","6","6","1") = "5"
    & skf21("5","1","4","2","1","6","7","1") = "6"
    & skf21("5","1","4","2","1","7","1","1") = "6"
    & skf21("5","1","4","2","1","7","2","1") = "6"
    & skf21("5","1","4","2","1","7","3","1") = "6"
    & skf21("5","1","4","2","1","7","4","1") = "6"
    & skf21("5","1","4","2","1","7","5","1") = "6"
    & skf21("5","1","4","2","1","7","6","1") = "6"
    & skf21("5","1","4","2","1","7","7","1") = "6"
    & skf21("5","1","4","2","2","1","1","1") = "4"
    & skf21("5","1","4","2","2","1","2","1") = "4"
    & skf21("5","1","4","2","2","1","3","1") = "4"
    & skf21("5","1","4","2","2","1","4","1") = "4"
    & skf21("5","1","4","2","2","1","5","1") = "4"
    & skf21("5","1","4","2","2","1","6","1") = "5"
    & skf21("5","1","4","2","2","1","7","1") = "6"
    & skf21("5","1","4","2","2","2","1","1") = "4"
    & skf21("5","1","4","2","2","2","2","1") = "4"
    & skf21("5","1","4","2","2","2","3","1") = "4"
    & skf21("5","1","4","2","2","2","4","1") = "4"
    & skf21("5","1","4","2","2","2","5","1") = "4"
    & skf21("5","1","4","2","2","2","6","1") = "5"
    & skf21("5","1","4","2","2","2","7","1") = "6"
    & skf21("5","1","4","2","2","3","1","1") = "4"
    & skf21("5","1","4","2","2","3","2","1") = "4"
    & skf21("5","1","4","2","2","3","3","1") = "4"
    & skf21("5","1","4","2","2","3","4","1") = "4"
    & skf21("5","1","4","2","2","3","5","1") = "4"
    & skf21("5","1","4","2","2","3","6","1") = "5"
    & skf21("5","1","4","2","2","3","7","1") = "6"
    & skf21("5","1","4","2","2","4","1","1") = "4"
    & skf21("5","1","4","2","2","4","2","1") = "4"
    & skf21("5","1","4","2","2","4","3","1") = "4"
    & skf21("5","1","4","2","2","4","4","1") = "4"
    & skf21("5","1","4","2","2","4","5","1") = "4"
    & skf21("5","1","4","2","2","4","6","1") = "5"
    & skf21("5","1","4","2","2","4","7","1") = "6"
    & skf21("5","1","4","2","2","5","1","1") = "4"
    & skf21("5","1","4","2","2","5","2","1") = "4"
    & skf21("5","1","4","2","2","5","3","1") = "4"
    & skf21("5","1","4","2","2","5","4","1") = "4"
    & skf21("5","1","4","2","2","5","5","1") = "4"
    & skf21("5","1","4","2","2","5","6","1") = "5"
    & skf21("5","1","4","2","2","5","7","1") = "6"
    & skf21("5","1","4","2","2","6","1","1") = "5"
    & skf21("5","1","4","2","2","6","2","1") = "5"
    & skf21("5","1","4","2","2","6","3","1") = "5"
    & skf21("5","1","4","2","2","6","4","1") = "5"
    & skf21("5","1","4","2","2","6","5","1") = "5"
    & skf21("5","1","4","2","2","6","6","1") = "5"
    & skf21("5","1","4","2","2","6","7","1") = "6"
    & skf21("5","1","4","2","2","7","1","1") = "6"
    & skf21("5","1","4","2","2","7","2","1") = "6"
    & skf21("5","1","4","2","2","7","3","1") = "6"
    & skf21("5","1","4","2","2","7","4","1") = "6"
    & skf21("5","1","4","2","2","7","5","1") = "6"
    & skf21("5","1","4","2","2","7","6","1") = "6"
    & skf21("5","1","4","2","2","7","7","1") = "6"
    & skf21("5","1","4","2","3","1","1","1") = "4"
    & skf21("5","1","4","2","3","1","2","1") = "4"
    & skf21("5","1","4","2","3","1","3","1") = "4"
    & skf21("5","1","4","2","3","1","4","1") = "4"
    & skf21("5","1","4","2","3","1","5","1") = "4"
    & skf21("5","1","4","2","3","1","6","1") = "5"
    & skf21("5","1","4","2","3","1","7","1") = "6"
    & skf21("5","1","4","2","3","2","1","1") = "4"
    & skf21("5","1","4","2","3","2","2","1") = "4"
    & skf21("5","1","4","2","3","2","3","1") = "4"
    & skf21("5","1","4","2","3","2","4","1") = "4"
    & skf21("5","1","4","2","3","2","5","1") = "4"
    & skf21("5","1","4","2","3","2","6","1") = "5"
    & skf21("5","1","4","2","3","2","7","1") = "6"
    & skf21("5","1","4","2","3","3","1","1") = "4"
    & skf21("5","1","4","2","3","3","2","1") = "4"
    & skf21("5","1","4","2","3","3","3","1") = "4"
    & skf21("5","1","4","2","3","3","4","1") = "4"
    & skf21("5","1","4","2","3","3","5","1") = "4"
    & skf21("5","1","4","2","3","3","6","1") = "5"
    & skf21("5","1","4","2","3","3","7","1") = "6"
    & skf21("5","1","4","2","3","4","1","1") = "4"
    & skf21("5","1","4","2","3","4","2","1") = "4"
    & skf21("5","1","4","2","3","4","3","1") = "4"
    & skf21("5","1","4","2","3","4","4","1") = "4"
    & skf21("5","1","4","2","3","4","5","1") = "4"
    & skf21("5","1","4","2","3","4","6","1") = "5"
    & skf21("5","1","4","2","3","4","7","1") = "6"
    & skf21("5","1","4","2","3","5","1","1") = "4"
    & skf21("5","1","4","2","3","5","2","1") = "4"
    & skf21("5","1","4","2","3","5","3","1") = "4"
    & skf21("5","1","4","2","3","5","4","1") = "4"
    & skf21("5","1","4","2","3","5","5","1") = "4"
    & skf21("5","1","4","2","3","5","6","1") = "5"
    & skf21("5","1","4","2","3","5","7","1") = "6"
    & skf21("5","1","4","2","3","6","1","1") = "5"
    & skf21("5","1","4","2","3","6","2","1") = "5"
    & skf21("5","1","4","2","3","6","3","1") = "5"
    & skf21("5","1","4","2","3","6","4","1") = "5"
    & skf21("5","1","4","2","3","6","5","1") = "5"
    & skf21("5","1","4","2","3","6","6","1") = "5"
    & skf21("5","1","4","2","3","6","7","1") = "6"
    & skf21("5","1","4","2","3","7","1","1") = "6"
    & skf21("5","1","4","2","3","7","2","1") = "6"
    & skf21("5","1","4","2","3","7","3","1") = "6"
    & skf21("5","1","4","2","3","7","4","1") = "6"
    & skf21("5","1","4","2","3","7","5","1") = "6"
    & skf21("5","1","4","2","3","7","6","1") = "6"
    & skf21("5","1","4","2","3","7","7","1") = "6"
    & skf21("5","1","4","2","4","1","1","1") = "4"
    & skf21("5","1","4","2","4","1","2","1") = "4"
    & skf21("5","1","4","2","4","1","3","1") = "4"
    & skf21("5","1","4","2","4","1","4","1") = "4"
    & skf21("5","1","4","2","4","1","5","1") = "4"
    & skf21("5","1","4","2","4","1","6","1") = "5"
    & skf21("5","1","4","2","4","1","7","1") = "6"
    & skf21("5","1","4","2","4","2","1","1") = "4"
    & skf21("5","1","4","2","4","2","2","1") = "4"
    & skf21("5","1","4","2","4","2","3","1") = "4"
    & skf21("5","1","4","2","4","2","4","1") = "4"
    & skf21("5","1","4","2","4","2","5","1") = "4"
    & skf21("5","1","4","2","4","2","6","1") = "5"
    & skf21("5","1","4","2","4","2","7","1") = "6"
    & skf21("5","1","4","2","4","3","1","1") = "4"
    & skf21("5","1","4","2","4","3","2","1") = "4"
    & skf21("5","1","4","2","4","3","3","1") = "4"
    & skf21("5","1","4","2","4","3","4","1") = "4"
    & skf21("5","1","4","2","4","3","5","1") = "4"
    & skf21("5","1","4","2","4","3","6","1") = "5"
    & skf21("5","1","4","2","4","3","7","1") = "6"
    & skf21("5","1","4","2","4","4","1","1") = "4"
    & skf21("5","1","4","2","4","4","2","1") = "4"
    & skf21("5","1","4","2","4","4","3","1") = "4"
    & skf21("5","1","4","2","4","4","4","1") = "4"
    & skf21("5","1","4","2","4","4","5","1") = "4"
    & skf21("5","1","4","2","4","4","6","1") = "5"
    & skf21("5","1","4","2","4","4","7","1") = "6"
    & skf21("5","1","4","2","4","5","1","1") = "4"
    & skf21("5","1","4","2","4","5","2","1") = "4"
    & skf21("5","1","4","2","4","5","3","1") = "4"
    & skf21("5","1","4","2","4","5","4","1") = "4"
    & skf21("5","1","4","2","4","5","5","1") = "4"
    & skf21("5","1","4","2","4","5","6","1") = "5"
    & skf21("5","1","4","2","4","5","7","1") = "6"
    & skf21("5","1","4","2","4","6","1","1") = "5"
    & skf21("5","1","4","2","4","6","2","1") = "5"
    & skf21("5","1","4","2","4","6","3","1") = "5"
    & skf21("5","1","4","2","4","6","4","1") = "5"
    & skf21("5","1","4","2","4","6","5","1") = "5"
    & skf21("5","1","4","2","4","6","6","1") = "5"
    & skf21("5","1","4","2","4","6","7","1") = "6"
    & skf21("5","1","4","2","4","7","1","1") = "6"
    & skf21("5","1","4","2","4","7","2","1") = "6"
    & skf21("5","1","4","2","4","7","3","1") = "6"
    & skf21("5","1","4","2","4","7","4","1") = "6"
    & skf21("5","1","4","2","4","7","5","1") = "6"
    & skf21("5","1","4","2","4","7","6","1") = "6"
    & skf21("5","1","4","2","4","7","7","1") = "6"
    & skf21("5","1","4","2","5","1","1","1") = "4"
    & skf21("5","1","4","2","5","1","2","1") = "4"
    & skf21("5","1","4","2","5","1","3","1") = "4"
    & skf21("5","1","4","2","5","1","4","1") = "4"
    & skf21("5","1","4","2","5","1","5","1") = "4"
    & skf21("5","1","4","2","5","1","6","1") = "5"
    & skf21("5","1","4","2","5","1","7","1") = "6"
    & skf21("5","1","4","2","5","2","1","1") = "4"
    & skf21("5","1","4","2","5","2","2","1") = "4"
    & skf21("5","1","4","2","5","2","3","1") = "4"
    & skf21("5","1","4","2","5","2","4","1") = "4"
    & skf21("5","1","4","2","5","2","5","1") = "4"
    & skf21("5","1","4","2","5","2","6","1") = "5"
    & skf21("5","1","4","2","5","2","7","1") = "6"
    & skf21("5","1","4","2","5","3","1","1") = "4"
    & skf21("5","1","4","2","5","3","2","1") = "4"
    & skf21("5","1","4","2","5","3","3","1") = "4"
    & skf21("5","1","4","2","5","3","4","1") = "4"
    & skf21("5","1","4","2","5","3","5","1") = "4"
    & skf21("5","1","4","2","5","3","6","1") = "5"
    & skf21("5","1","4","2","5","3","7","1") = "6"
    & skf21("5","1","4","2","5","4","1","1") = "4"
    & skf21("5","1","4","2","5","4","2","1") = "4"
    & skf21("5","1","4","2","5","4","3","1") = "4"
    & skf21("5","1","4","2","5","4","4","1") = "4"
    & skf21("5","1","4","2","5","4","5","1") = "4"
    & skf21("5","1","4","2","5","4","6","1") = "5"
    & skf21("5","1","4","2","5","4","7","1") = "6"
    & skf21("5","1","4","2","5","5","1","1") = "4"
    & skf21("5","1","4","2","5","5","2","1") = "4"
    & skf21("5","1","4","2","5","5","3","1") = "4"
    & skf21("5","1","4","2","5","5","4","1") = "4"
    & skf21("5","1","4","2","5","5","5","1") = "4"
    & skf21("5","1","4","2","5","5","6","1") = "5"
    & skf21("5","1","4","2","5","5","7","1") = "6"
    & skf21("5","1","4","2","5","6","1","1") = "5"
    & skf21("5","1","4","2","5","6","2","1") = "5"
    & skf21("5","1","4","2","5","6","3","1") = "5"
    & skf21("5","1","4","2","5","6","4","1") = "5"
    & skf21("5","1","4","2","5","6","5","1") = "5"
    & skf21("5","1","4","2","5","6","6","1") = "5"
    & skf21("5","1","4","2","5","6","7","1") = "6"
    & skf21("5","1","4","2","5","7","1","1") = "6"
    & skf21("5","1","4","2","5","7","2","1") = "6"
    & skf21("5","1","4","2","5","7","3","1") = "6"
    & skf21("5","1","4","2","5","7","4","1") = "6"
    & skf21("5","1","4","2","5","7","5","1") = "6"
    & skf21("5","1","4","2","5","7","6","1") = "6"
    & skf21("5","1","4","2","5","7","7","1") = "6"
    & skf21("5","1","4","2","6","1","1","1") = "5"
    & skf21("5","1","4","2","6","1","2","1") = "5"
    & skf21("5","1","4","2","6","1","3","1") = "5"
    & skf21("5","1","4","2","6","1","4","1") = "5"
    & skf21("5","1","4","2","6","1","5","1") = "5"
    & skf21("5","1","4","2","6","1","6","1") = "5"
    & skf21("5","1","4","2","6","1","7","1") = "6"
    & skf21("5","1","4","2","6","2","1","1") = "5"
    & skf21("5","1","4","2","6","2","2","1") = "5"
    & skf21("5","1","4","2","6","2","3","1") = "5"
    & skf21("5","1","4","2","6","2","4","1") = "5"
    & skf21("5","1","4","2","6","2","5","1") = "5"
    & skf21("5","1","4","2","6","2","6","1") = "5"
    & skf21("5","1","4","2","6","2","7","1") = "6"
    & skf21("5","1","4","2","6","3","1","1") = "5"
    & skf21("5","1","4","2","6","3","2","1") = "5"
    & skf21("5","1","4","2","6","3","3","1") = "5"
    & skf21("5","1","4","2","6","3","4","1") = "5"
    & skf21("5","1","4","2","6","3","5","1") = "5"
    & skf21("5","1","4","2","6","3","6","1") = "5"
    & skf21("5","1","4","2","6","3","7","1") = "6"
    & skf21("5","1","4","2","6","4","1","1") = "5"
    & skf21("5","1","4","2","6","4","2","1") = "5"
    & skf21("5","1","4","2","6","4","3","1") = "5"
    & skf21("5","1","4","2","6","4","4","1") = "5"
    & skf21("5","1","4","2","6","4","5","1") = "5"
    & skf21("5","1","4","2","6","4","6","1") = "5"
    & skf21("5","1","4","2","6","4","7","1") = "6"
    & skf21("5","1","4","2","6","5","1","1") = "5"
    & skf21("5","1","4","2","6","5","2","1") = "5"
    & skf21("5","1","4","2","6","5","3","1") = "5"
    & skf21("5","1","4","2","6","5","4","1") = "5"
    & skf21("5","1","4","2","6","5","5","1") = "5"
    & skf21("5","1","4","2","6","5","6","1") = "5"
    & skf21("5","1","4","2","6","5","7","1") = "6"
    & skf21("5","1","4","2","6","6","1","1") = "5"
    & skf21("5","1","4","2","6","6","2","1") = "5"
    & skf21("5","1","4","2","6","6","3","1") = "5"
    & skf21("5","1","4","2","6","6","4","1") = "5"
    & skf21("5","1","4","2","6","6","5","1") = "5"
    & skf21("5","1","4","2","6","6","6","1") = "5"
    & skf21("5","1","4","2","6","6","7","1") = "6"
    & skf21("5","1","4","2","6","7","1","1") = "6"
    & skf21("5","1","4","2","6","7","2","1") = "6"
    & skf21("5","1","4","2","6","7","3","1") = "6"
    & skf21("5","1","4","2","6","7","4","1") = "6"
    & skf21("5","1","4","2","6","7","5","1") = "6"
    & skf21("5","1","4","2","6","7","6","1") = "6"
    & skf21("5","1","4","2","6","7","7","1") = "6"
    & skf21("5","1","4","2","7","1","1","1") = "6"
    & skf21("5","1","4","2","7","1","2","1") = "6"
    & skf21("5","1","4","2","7","1","3","1") = "6"
    & skf21("5","1","4","2","7","1","4","1") = "6"
    & skf21("5","1","4","2","7","1","5","1") = "6"
    & skf21("5","1","4","2","7","1","6","1") = "6"
    & skf21("5","1","4","2","7","1","7","1") = "6"
    & skf21("5","1","4","2","7","2","1","1") = "6"
    & skf21("5","1","4","2","7","2","2","1") = "6"
    & skf21("5","1","4","2","7","2","3","1") = "6"
    & skf21("5","1","4","2","7","2","4","1") = "6"
    & skf21("5","1","4","2","7","2","5","1") = "6"
    & skf21("5","1","4","2","7","2","6","1") = "6"
    & skf21("5","1","4","2","7","2","7","1") = "6"
    & skf21("5","1","4","2","7","3","1","1") = "6"
    & skf21("5","1","4","2","7","3","2","1") = "6"
    & skf21("5","1","4","2","7","3","3","1") = "6"
    & skf21("5","1","4","2","7","3","4","1") = "6"
    & skf21("5","1","4","2","7","3","5","1") = "6"
    & skf21("5","1","4","2","7","3","6","1") = "6"
    & skf21("5","1","4","2","7","3","7","1") = "6"
    & skf21("5","1","4","2","7","4","1","1") = "6"
    & skf21("5","1","4","2","7","4","2","1") = "6"
    & skf21("5","1","4","2","7","4","3","1") = "6"
    & skf21("5","1","4","2","7","4","4","1") = "6"
    & skf21("5","1","4","2","7","4","5","1") = "6"
    & skf21("5","1","4","2","7","4","6","1") = "6"
    & skf21("5","1","4","2","7","4","7","1") = "6"
    & skf21("5","1","4","2","7","5","1","1") = "6"
    & skf21("5","1","4","2","7","5","2","1") = "6"
    & skf21("5","1","4","2","7","5","3","1") = "6"
    & skf21("5","1","4","2","7","5","4","1") = "6"
    & skf21("5","1","4","2","7","5","5","1") = "6"
    & skf21("5","1","4","2","7","5","6","1") = "6"
    & skf21("5","1","4","2","7","5","7","1") = "6"
    & skf21("5","1","4","2","7","6","1","1") = "6"
    & skf21("5","1","4","2","7","6","2","1") = "6"
    & skf21("5","1","4","2","7","6","3","1") = "6"
    & skf21("5","1","4","2","7","6","4","1") = "6"
    & skf21("5","1","4","2","7","6","5","1") = "6"
    & skf21("5","1","4","2","7","6","6","1") = "6"
    & skf21("5","1","4","2","7","6","7","1") = "6"
    & skf21("5","1","4","2","7","7","1","1") = "6"
    & skf21("5","1","4","2","7","7","2","1") = "6"
    & skf21("5","1","4","2","7","7","3","1") = "6"
    & skf21("5","1","4","2","7","7","4","1") = "6"
    & skf21("5","1","4","2","7","7","5","1") = "6"
    & skf21("5","1","4","2","7","7","6","1") = "6"
    & skf21("5","1","4","2","7","7","7","1") = "6"
    & skf21("5","1","4","3","1","1","1","1") = "4"
    & skf21("5","1","4","3","1","1","2","1") = "4"
    & skf21("5","1","4","3","1","1","3","1") = "4"
    & skf21("5","1","4","3","1","1","4","1") = "4"
    & skf21("5","1","4","3","1","1","5","1") = "4"
    & skf21("5","1","4","3","1","1","6","1") = "5"
    & skf21("5","1","4","3","1","1","7","1") = "6"
    & skf21("5","1","4","3","1","2","1","1") = "4"
    & skf21("5","1","4","3","1","2","2","1") = "4"
    & skf21("5","1","4","3","1","2","3","1") = "4"
    & skf21("5","1","4","3","1","2","4","1") = "4"
    & skf21("5","1","4","3","1","2","5","1") = "4"
    & skf21("5","1","4","3","1","2","6","1") = "5"
    & skf21("5","1","4","3","1","2","7","1") = "6"
    & skf21("5","1","4","3","1","3","1","1") = "4"
    & skf21("5","1","4","3","1","3","2","1") = "4"
    & skf21("5","1","4","3","1","3","3","1") = "4"
    & skf21("5","1","4","3","1","3","4","1") = "4"
    & skf21("5","1","4","3","1","3","5","1") = "4"
    & skf21("5","1","4","3","1","3","6","1") = "5"
    & skf21("5","1","4","3","1","3","7","1") = "6"
    & skf21("5","1","4","3","1","4","1","1") = "4"
    & skf21("5","1","4","3","1","4","2","1") = "4"
    & skf21("5","1","4","3","1","4","3","1") = "4"
    & skf21("5","1","4","3","1","4","4","1") = "4"
    & skf21("5","1","4","3","1","4","5","1") = "4"
    & skf21("5","1","4","3","1","4","6","1") = "5"
    & skf21("5","1","4","3","1","4","7","1") = "6"
    & skf21("5","1","4","3","1","5","1","1") = "4"
    & skf21("5","1","4","3","1","5","2","1") = "4"
    & skf21("5","1","4","3","1","5","3","1") = "4"
    & skf21("5","1","4","3","1","5","4","1") = "4"
    & skf21("5","1","4","3","1","5","5","1") = "4"
    & skf21("5","1","4","3","1","5","6","1") = "5"
    & skf21("5","1","4","3","1","5","7","1") = "6"
    & skf21("5","1","4","3","1","6","1","1") = "5"
    & skf21("5","1","4","3","1","6","2","1") = "5"
    & skf21("5","1","4","3","1","6","3","1") = "5"
    & skf21("5","1","4","3","1","6","4","1") = "5"
    & skf21("5","1","4","3","1","6","5","1") = "5"
    & skf21("5","1","4","3","1","6","6","1") = "5"
    & skf21("5","1","4","3","1","6","7","1") = "6"
    & skf21("5","1","4","3","1","7","1","1") = "6"
    & skf21("5","1","4","3","1","7","2","1") = "6"
    & skf21("5","1","4","3","1","7","3","1") = "6"
    & skf21("5","1","4","3","1","7","4","1") = "6"
    & skf21("5","1","4","3","1","7","5","1") = "6"
    & skf21("5","1","4","3","1","7","6","1") = "6"
    & skf21("5","1","4","3","1","7","7","1") = "6"
    & skf21("5","1","4","3","2","1","1","1") = "4"
    & skf21("5","1","4","3","2","1","2","1") = "4"
    & skf21("5","1","4","3","2","1","3","1") = "4"
    & skf21("5","1","4","3","2","1","4","1") = "4"
    & skf21("5","1","4","3","2","1","5","1") = "4"
    & skf21("5","1","4","3","2","1","6","1") = "5"
    & skf21("5","1","4","3","2","1","7","1") = "6"
    & skf21("5","1","4","3","2","2","1","1") = "4"
    & skf21("5","1","4","3","2","2","2","1") = "4"
    & skf21("5","1","4","3","2","2","3","1") = "4"
    & skf21("5","1","4","3","2","2","4","1") = "4"
    & skf21("5","1","4","3","2","2","5","1") = "4"
    & skf21("5","1","4","3","2","2","6","1") = "5"
    & skf21("5","1","4","3","2","2","7","1") = "6"
    & skf21("5","1","4","3","2","3","1","1") = "4"
    & skf21("5","1","4","3","2","3","2","1") = "4"
    & skf21("5","1","4","3","2","3","3","1") = "4"
    & skf21("5","1","4","3","2","3","4","1") = "4"
    & skf21("5","1","4","3","2","3","5","1") = "4"
    & skf21("5","1","4","3","2","3","6","1") = "5"
    & skf21("5","1","4","3","2","3","7","1") = "6"
    & skf21("5","1","4","3","2","4","1","1") = "4"
    & skf21("5","1","4","3","2","4","2","1") = "4"
    & skf21("5","1","4","3","2","4","3","1") = "4"
    & skf21("5","1","4","3","2","4","4","1") = "4"
    & skf21("5","1","4","3","2","4","5","1") = "4"
    & skf21("5","1","4","3","2","4","6","1") = "5"
    & skf21("5","1","4","3","2","4","7","1") = "6"
    & skf21("5","1","4","3","2","5","1","1") = "4"
    & skf21("5","1","4","3","2","5","2","1") = "4"
    & skf21("5","1","4","3","2","5","3","1") = "4"
    & skf21("5","1","4","3","2","5","4","1") = "4"
    & skf21("5","1","4","3","2","5","5","1") = "4"
    & skf21("5","1","4","3","2","5","6","1") = "5"
    & skf21("5","1","4","3","2","5","7","1") = "6"
    & skf21("5","1","4","3","2","6","1","1") = "5"
    & skf21("5","1","4","3","2","6","2","1") = "5"
    & skf21("5","1","4","3","2","6","3","1") = "5"
    & skf21("5","1","4","3","2","6","4","1") = "5"
    & skf21("5","1","4","3","2","6","5","1") = "5"
    & skf21("5","1","4","3","2","6","6","1") = "5"
    & skf21("5","1","4","3","2","6","7","1") = "6"
    & skf21("5","1","4","3","2","7","1","1") = "6"
    & skf21("5","1","4","3","2","7","2","1") = "6"
    & skf21("5","1","4","3","2","7","3","1") = "6"
    & skf21("5","1","4","3","2","7","4","1") = "6"
    & skf21("5","1","4","3","2","7","5","1") = "6"
    & skf21("5","1","4","3","2","7","6","1") = "6"
    & skf21("5","1","4","3","2","7","7","1") = "6"
    & skf21("5","1","4","3","3","1","1","1") = "4"
    & skf21("5","1","4","3","3","1","2","1") = "4"
    & skf21("5","1","4","3","3","1","3","1") = "4"
    & skf21("5","1","4","3","3","1","4","1") = "4"
    & skf21("5","1","4","3","3","1","5","1") = "4"
    & skf21("5","1","4","3","3","1","6","1") = "5"
    & skf21("5","1","4","3","3","1","7","1") = "6"
    & skf21("5","1","4","3","3","2","1","1") = "4"
    & skf21("5","1","4","3","3","2","2","1") = "4"
    & skf21("5","1","4","3","3","2","3","1") = "4"
    & skf21("5","1","4","3","3","2","4","1") = "4"
    & skf21("5","1","4","3","3","2","5","1") = "4"
    & skf21("5","1","4","3","3","2","6","1") = "5"
    & skf21("5","1","4","3","3","2","7","1") = "6"
    & skf21("5","1","4","3","3","3","1","1") = "4"
    & skf21("5","1","4","3","3","3","2","1") = "4"
    & skf21("5","1","4","3","3","3","3","1") = "4"
    & skf21("5","1","4","3","3","3","4","1") = "4"
    & skf21("5","1","4","3","3","3","5","1") = "4"
    & skf21("5","1","4","3","3","3","6","1") = "5"
    & skf21("5","1","4","3","3","3","7","1") = "6"
    & skf21("5","1","4","3","3","4","1","1") = "4"
    & skf21("5","1","4","3","3","4","2","1") = "4"
    & skf21("5","1","4","3","3","4","3","1") = "4"
    & skf21("5","1","4","3","3","4","4","1") = "4"
    & skf21("5","1","4","3","3","4","5","1") = "4"
    & skf21("5","1","4","3","3","4","6","1") = "5"
    & skf21("5","1","4","3","3","4","7","1") = "6"
    & skf21("5","1","4","3","3","5","1","1") = "4"
    & skf21("5","1","4","3","3","5","2","1") = "4"
    & skf21("5","1","4","3","3","5","3","1") = "4"
    & skf21("5","1","4","3","3","5","4","1") = "4"
    & skf21("5","1","4","3","3","5","5","1") = "4"
    & skf21("5","1","4","3","3","5","6","1") = "5"
    & skf21("5","1","4","3","3","5","7","1") = "6"
    & skf21("5","1","4","3","3","6","1","1") = "5"
    & skf21("5","1","4","3","3","6","2","1") = "5"
    & skf21("5","1","4","3","3","6","3","1") = "5"
    & skf21("5","1","4","3","3","6","4","1") = "5"
    & skf21("5","1","4","3","3","6","5","1") = "5"
    & skf21("5","1","4","3","3","6","6","1") = "5"
    & skf21("5","1","4","3","3","6","7","1") = "6"
    & skf21("5","1","4","3","3","7","1","1") = "6"
    & skf21("5","1","4","3","3","7","2","1") = "6"
    & skf21("5","1","4","3","3","7","3","1") = "6"
    & skf21("5","1","4","3","3","7","4","1") = "6"
    & skf21("5","1","4","3","3","7","5","1") = "6"
    & skf21("5","1","4","3","3","7","6","1") = "6"
    & skf21("5","1","4","3","3","7","7","1") = "6"
    & skf21("5","1","4","3","4","1","1","1") = "4"
    & skf21("5","1","4","3","4","1","2","1") = "4"
    & skf21("5","1","4","3","4","1","3","1") = "4"
    & skf21("5","1","4","3","4","1","4","1") = "4"
    & skf21("5","1","4","3","4","1","5","1") = "4"
    & skf21("5","1","4","3","4","1","6","1") = "5"
    & skf21("5","1","4","3","4","1","7","1") = "6"
    & skf21("5","1","4","3","4","2","1","1") = "4"
    & skf21("5","1","4","3","4","2","2","1") = "4"
    & skf21("5","1","4","3","4","2","3","1") = "4"
    & skf21("5","1","4","3","4","2","4","1") = "4"
    & skf21("5","1","4","3","4","2","5","1") = "4"
    & skf21("5","1","4","3","4","2","6","1") = "5"
    & skf21("5","1","4","3","4","2","7","1") = "6"
    & skf21("5","1","4","3","4","3","1","1") = "4"
    & skf21("5","1","4","3","4","3","2","1") = "4"
    & skf21("5","1","4","3","4","3","3","1") = "4"
    & skf21("5","1","4","3","4","3","4","1") = "4"
    & skf21("5","1","4","3","4","3","5","1") = "4"
    & skf21("5","1","4","3","4","3","6","1") = "5"
    & skf21("5","1","4","3","4","3","7","1") = "6"
    & skf21("5","1","4","3","4","4","1","1") = "4"
    & skf21("5","1","4","3","4","4","2","1") = "4"
    & skf21("5","1","4","3","4","4","3","1") = "4"
    & skf21("5","1","4","3","4","4","4","1") = "4"
    & skf21("5","1","4","3","4","4","5","1") = "4"
    & skf21("5","1","4","3","4","4","6","1") = "5"
    & skf21("5","1","4","3","4","4","7","1") = "6"
    & skf21("5","1","4","3","4","5","1","1") = "4"
    & skf21("5","1","4","3","4","5","2","1") = "4"
    & skf21("5","1","4","3","4","5","3","1") = "4"
    & skf21("5","1","4","3","4","5","4","1") = "4"
    & skf21("5","1","4","3","4","5","5","1") = "4"
    & skf21("5","1","4","3","4","5","6","1") = "5"
    & skf21("5","1","4","3","4","5","7","1") = "6"
    & skf21("5","1","4","3","4","6","1","1") = "5"
    & skf21("5","1","4","3","4","6","2","1") = "5"
    & skf21("5","1","4","3","4","6","3","1") = "5"
    & skf21("5","1","4","3","4","6","4","1") = "5"
    & skf21("5","1","4","3","4","6","5","1") = "5"
    & skf21("5","1","4","3","4","6","6","1") = "5"
    & skf21("5","1","4","3","4","6","7","1") = "6"
    & skf21("5","1","4","3","4","7","1","1") = "6"
    & skf21("5","1","4","3","4","7","2","1") = "6"
    & skf21("5","1","4","3","4","7","3","1") = "6"
    & skf21("5","1","4","3","4","7","4","1") = "6"
    & skf21("5","1","4","3","4","7","5","1") = "6"
    & skf21("5","1","4","3","4","7","6","1") = "6"
    & skf21("5","1","4","3","4","7","7","1") = "6"
    & skf21("5","1","4","3","5","1","1","1") = "4"
    & skf21("5","1","4","3","5","1","2","1") = "4"
    & skf21("5","1","4","3","5","1","3","1") = "4"
    & skf21("5","1","4","3","5","1","4","1") = "4"
    & skf21("5","1","4","3","5","1","5","1") = "4"
    & skf21("5","1","4","3","5","1","6","1") = "5"
    & skf21("5","1","4","3","5","1","7","1") = "6"
    & skf21("5","1","4","3","5","2","1","1") = "4"
    & skf21("5","1","4","3","5","2","2","1") = "4"
    & skf21("5","1","4","3","5","2","3","1") = "4"
    & skf21("5","1","4","3","5","2","4","1") = "4"
    & skf21("5","1","4","3","5","2","5","1") = "4"
    & skf21("5","1","4","3","5","2","6","1") = "5"
    & skf21("5","1","4","3","5","2","7","1") = "6"
    & skf21("5","1","4","3","5","3","1","1") = "4"
    & skf21("5","1","4","3","5","3","2","1") = "4"
    & skf21("5","1","4","3","5","3","3","1") = "4"
    & skf21("5","1","4","3","5","3","4","1") = "4"
    & skf21("5","1","4","3","5","3","5","1") = "4"
    & skf21("5","1","4","3","5","3","6","1") = "5"
    & skf21("5","1","4","3","5","3","7","1") = "6"
    & skf21("5","1","4","3","5","4","1","1") = "4"
    & skf21("5","1","4","3","5","4","2","1") = "4"
    & skf21("5","1","4","3","5","4","3","1") = "4"
    & skf21("5","1","4","3","5","4","4","1") = "4"
    & skf21("5","1","4","3","5","4","5","1") = "4"
    & skf21("5","1","4","3","5","4","6","1") = "5"
    & skf21("5","1","4","3","5","4","7","1") = "6"
    & skf21("5","1","4","3","5","5","1","1") = "4"
    & skf21("5","1","4","3","5","5","2","1") = "4"
    & skf21("5","1","4","3","5","5","3","1") = "4"
    & skf21("5","1","4","3","5","5","4","1") = "4"
    & skf21("5","1","4","3","5","5","5","1") = "4"
    & skf21("5","1","4","3","5","5","6","1") = "5"
    & skf21("5","1","4","3","5","5","7","1") = "6"
    & skf21("5","1","4","3","5","6","1","1") = "5"
    & skf21("5","1","4","3","5","6","2","1") = "5"
    & skf21("5","1","4","3","5","6","3","1") = "5"
    & skf21("5","1","4","3","5","6","4","1") = "5"
    & skf21("5","1","4","3","5","6","5","1") = "5"
    & skf21("5","1","4","3","5","6","6","1") = "5"
    & skf21("5","1","4","3","5","6","7","1") = "6"
    & skf21("5","1","4","3","5","7","1","1") = "6"
    & skf21("5","1","4","3","5","7","2","1") = "6"
    & skf21("5","1","4","3","5","7","3","1") = "6"
    & skf21("5","1","4","3","5","7","4","1") = "6"
    & skf21("5","1","4","3","5","7","5","1") = "6"
    & skf21("5","1","4","3","5","7","6","1") = "6"
    & skf21("5","1","4","3","5","7","7","1") = "6"
    & skf21("5","1","4","3","6","1","1","1") = "5"
    & skf21("5","1","4","3","6","1","2","1") = "5"
    & skf21("5","1","4","3","6","1","3","1") = "5"
    & skf21("5","1","4","3","6","1","4","1") = "5"
    & skf21("5","1","4","3","6","1","5","1") = "5"
    & skf21("5","1","4","3","6","1","6","1") = "5"
    & skf21("5","1","4","3","6","1","7","1") = "6"
    & skf21("5","1","4","3","6","2","1","1") = "5"
    & skf21("5","1","4","3","6","2","2","1") = "5"
    & skf21("5","1","4","3","6","2","3","1") = "5"
    & skf21("5","1","4","3","6","2","4","1") = "5"
    & skf21("5","1","4","3","6","2","5","1") = "5"
    & skf21("5","1","4","3","6","2","6","1") = "5"
    & skf21("5","1","4","3","6","2","7","1") = "6"
    & skf21("5","1","4","3","6","3","1","1") = "5"
    & skf21("5","1","4","3","6","3","2","1") = "5"
    & skf21("5","1","4","3","6","3","3","1") = "5"
    & skf21("5","1","4","3","6","3","4","1") = "5"
    & skf21("5","1","4","3","6","3","5","1") = "5"
    & skf21("5","1","4","3","6","3","6","1") = "5"
    & skf21("5","1","4","3","6","3","7","1") = "6"
    & skf21("5","1","4","3","6","4","1","1") = "5"
    & skf21("5","1","4","3","6","4","2","1") = "5"
    & skf21("5","1","4","3","6","4","3","1") = "5"
    & skf21("5","1","4","3","6","4","4","1") = "5"
    & skf21("5","1","4","3","6","4","5","1") = "5"
    & skf21("5","1","4","3","6","4","6","1") = "5"
    & skf21("5","1","4","3","6","4","7","1") = "6"
    & skf21("5","1","4","3","6","5","1","1") = "5"
    & skf21("5","1","4","3","6","5","2","1") = "5"
    & skf21("5","1","4","3","6","5","3","1") = "5"
    & skf21("5","1","4","3","6","5","4","1") = "5"
    & skf21("5","1","4","3","6","5","5","1") = "5"
    & skf21("5","1","4","3","6","5","6","1") = "5"
    & skf21("5","1","4","3","6","5","7","1") = "6"
    & skf21("5","1","4","3","6","6","1","1") = "5"
    & skf21("5","1","4","3","6","6","2","1") = "5"
    & skf21("5","1","4","3","6","6","3","1") = "5"
    & skf21("5","1","4","3","6","6","4","1") = "5"
    & skf21("5","1","4","3","6","6","5","1") = "5"
    & skf21("5","1","4","3","6","6","6","1") = "5"
    & skf21("5","1","4","3","6","6","7","1") = "6"
    & skf21("5","1","4","3","6","7","1","1") = "6"
    & skf21("5","1","4","3","6","7","2","1") = "6"
    & skf21("5","1","4","3","6","7","3","1") = "6"
    & skf21("5","1","4","3","6","7","4","1") = "6"
    & skf21("5","1","4","3","6","7","5","1") = "6"
    & skf21("5","1","4","3","6","7","6","1") = "6"
    & skf21("5","1","4","3","6","7","7","1") = "6"
    & skf21("5","1","4","3","7","1","1","1") = "6"
    & skf21("5","1","4","3","7","1","2","1") = "6"
    & skf21("5","1","4","3","7","1","3","1") = "6"
    & skf21("5","1","4","3","7","1","4","1") = "6"
    & skf21("5","1","4","3","7","1","5","1") = "6"
    & skf21("5","1","4","3","7","1","6","1") = "6"
    & skf21("5","1","4","3","7","1","7","1") = "6"
    & skf21("5","1","4","3","7","2","1","1") = "6"
    & skf21("5","1","4","3","7","2","2","1") = "6"
    & skf21("5","1","4","3","7","2","3","1") = "6"
    & skf21("5","1","4","3","7","2","4","1") = "6"
    & skf21("5","1","4","3","7","2","5","1") = "6"
    & skf21("5","1","4","3","7","2","6","1") = "6"
    & skf21("5","1","4","3","7","2","7","1") = "6"
    & skf21("5","1","4","3","7","3","1","1") = "6"
    & skf21("5","1","4","3","7","3","2","1") = "6"
    & skf21("5","1","4","3","7","3","3","1") = "6"
    & skf21("5","1","4","3","7","3","4","1") = "6"
    & skf21("5","1","4","3","7","3","5","1") = "6"
    & skf21("5","1","4","3","7","3","6","1") = "6"
    & skf21("5","1","4","3","7","3","7","1") = "6"
    & skf21("5","1","4","3","7","4","1","1") = "6"
    & skf21("5","1","4","3","7","4","2","1") = "6"
    & skf21("5","1","4","3","7","4","3","1") = "6"
    & skf21("5","1","4","3","7","4","4","1") = "6"
    & skf21("5","1","4","3","7","4","5","1") = "6"
    & skf21("5","1","4","3","7","4","6","1") = "6"
    & skf21("5","1","4","3","7","4","7","1") = "6"
    & skf21("5","1","4","3","7","5","1","1") = "6"
    & skf21("5","1","4","3","7","5","2","1") = "6"
    & skf21("5","1","4","3","7","5","3","1") = "6"
    & skf21("5","1","4","3","7","5","4","1") = "6"
    & skf21("5","1","4","3","7","5","5","1") = "6"
    & skf21("5","1","4","3","7","5","6","1") = "6"
    & skf21("5","1","4","3","7","5","7","1") = "6"
    & skf21("5","1","4","3","7","6","1","1") = "6"
    & skf21("5","1","4","3","7","6","2","1") = "6"
    & skf21("5","1","4","3","7","6","3","1") = "6"
    & skf21("5","1","4","3","7","6","4","1") = "6"
    & skf21("5","1","4","3","7","6","5","1") = "6"
    & skf21("5","1","4","3","7","6","6","1") = "6"
    & skf21("5","1","4","3","7","6","7","1") = "6"
    & skf21("5","1","4","3","7","7","1","1") = "6"
    & skf21("5","1","4","3","7","7","2","1") = "6"
    & skf21("5","1","4","3","7","7","3","1") = "6"
    & skf21("5","1","4","3","7","7","4","1") = "6"
    & skf21("5","1","4","3","7","7","5","1") = "6"
    & skf21("5","1","4","3","7","7","6","1") = "6"
    & skf21("5","1","4","3","7","7","7","1") = "6"
    & skf21("5","1","4","4","1","1","1","1") = "4"
    & skf21("5","1","4","4","1","1","2","1") = "4"
    & skf21("5","1","4","4","1","1","3","1") = "4"
    & skf21("5","1","4","4","1","1","4","1") = "4"
    & skf21("5","1","4","4","1","1","5","1") = "4"
    & skf21("5","1","4","4","1","1","6","1") = "5"
    & skf21("5","1","4","4","1","1","7","1") = "6"
    & skf21("5","1","4","4","1","2","1","1") = "4"
    & skf21("5","1","4","4","1","2","2","1") = "4"
    & skf21("5","1","4","4","1","2","3","1") = "4"
    & skf21("5","1","4","4","1","2","4","1") = "4"
    & skf21("5","1","4","4","1","2","5","1") = "4"
    & skf21("5","1","4","4","1","2","6","1") = "5"
    & skf21("5","1","4","4","1","2","7","1") = "6"
    & skf21("5","1","4","4","1","3","1","1") = "4"
    & skf21("5","1","4","4","1","3","2","1") = "4"
    & skf21("5","1","4","4","1","3","3","1") = "4"
    & skf21("5","1","4","4","1","3","4","1") = "4"
    & skf21("5","1","4","4","1","3","5","1") = "4"
    & skf21("5","1","4","4","1","3","6","1") = "5"
    & skf21("5","1","4","4","1","3","7","1") = "6"
    & skf21("5","1","4","4","1","4","1","1") = "4"
    & skf21("5","1","4","4","1","4","2","1") = "4"
    & skf21("5","1","4","4","1","4","3","1") = "4"
    & skf21("5","1","4","4","1","4","4","1") = "4"
    & skf21("5","1","4","4","1","4","5","1") = "4"
    & skf21("5","1","4","4","1","4","6","1") = "5"
    & skf21("5","1","4","4","1","4","7","1") = "6"
    & skf21("5","1","4","4","1","5","1","1") = "4"
    & skf21("5","1","4","4","1","5","2","1") = "4"
    & skf21("5","1","4","4","1","5","3","1") = "4"
    & skf21("5","1","4","4","1","5","4","1") = "4"
    & skf21("5","1","4","4","1","5","5","1") = "4"
    & skf21("5","1","4","4","1","5","6","1") = "5"
    & skf21("5","1","4","4","1","5","7","1") = "6"
    & skf21("5","1","4","4","1","6","1","1") = "5"
    & skf21("5","1","4","4","1","6","2","1") = "5"
    & skf21("5","1","4","4","1","6","3","1") = "5"
    & skf21("5","1","4","4","1","6","4","1") = "5"
    & skf21("5","1","4","4","1","6","5","1") = "5"
    & skf21("5","1","4","4","1","6","6","1") = "5"
    & skf21("5","1","4","4","1","6","7","1") = "6"
    & skf21("5","1","4","4","1","7","1","1") = "6"
    & skf21("5","1","4","4","1","7","2","1") = "6"
    & skf21("5","1","4","4","1","7","3","1") = "6"
    & skf21("5","1","4","4","1","7","4","1") = "6"
    & skf21("5","1","4","4","1","7","5","1") = "6"
    & skf21("5","1","4","4","1","7","6","1") = "6"
    & skf21("5","1","4","4","1","7","7","1") = "6"
    & skf21("5","1","4","4","2","1","1","1") = "4"
    & skf21("5","1","4","4","2","1","2","1") = "4"
    & skf21("5","1","4","4","2","1","3","1") = "4"
    & skf21("5","1","4","4","2","1","4","1") = "4"
    & skf21("5","1","4","4","2","1","5","1") = "4"
    & skf21("5","1","4","4","2","1","6","1") = "5"
    & skf21("5","1","4","4","2","1","7","1") = "6"
    & skf21("5","1","4","4","2","2","1","1") = "4"
    & skf21("5","1","4","4","2","2","2","1") = "4"
    & skf21("5","1","4","4","2","2","3","1") = "4"
    & skf21("5","1","4","4","2","2","4","1") = "4"
    & skf21("5","1","4","4","2","2","5","1") = "4"
    & skf21("5","1","4","4","2","2","6","1") = "5"
    & skf21("5","1","4","4","2","2","7","1") = "6"
    & skf21("5","1","4","4","2","3","1","1") = "4"
    & skf21("5","1","4","4","2","3","2","1") = "4"
    & skf21("5","1","4","4","2","3","3","1") = "4"
    & skf21("5","1","4","4","2","3","4","1") = "4"
    & skf21("5","1","4","4","2","3","5","1") = "4"
    & skf21("5","1","4","4","2","3","6","1") = "5"
    & skf21("5","1","4","4","2","3","7","1") = "6"
    & skf21("5","1","4","4","2","4","1","1") = "4"
    & skf21("5","1","4","4","2","4","2","1") = "4"
    & skf21("5","1","4","4","2","4","3","1") = "4"
    & skf21("5","1","4","4","2","4","4","1") = "4"
    & skf21("5","1","4","4","2","4","5","1") = "4"
    & skf21("5","1","4","4","2","4","6","1") = "5"
    & skf21("5","1","4","4","2","4","7","1") = "6"
    & skf21("5","1","4","4","2","5","1","1") = "4"
    & skf21("5","1","4","4","2","5","2","1") = "4"
    & skf21("5","1","4","4","2","5","3","1") = "4"
    & skf21("5","1","4","4","2","5","4","1") = "4"
    & skf21("5","1","4","4","2","5","5","1") = "4"
    & skf21("5","1","4","4","2","5","6","1") = "5"
    & skf21("5","1","4","4","2","5","7","1") = "6"
    & skf21("5","1","4","4","2","6","1","1") = "5"
    & skf21("5","1","4","4","2","6","2","1") = "5"
    & skf21("5","1","4","4","2","6","3","1") = "5"
    & skf21("5","1","4","4","2","6","4","1") = "5"
    & skf21("5","1","4","4","2","6","5","1") = "5"
    & skf21("5","1","4","4","2","6","6","1") = "5"
    & skf21("5","1","4","4","2","6","7","1") = "6"
    & skf21("5","1","4","4","2","7","1","1") = "6"
    & skf21("5","1","4","4","2","7","2","1") = "6"
    & skf21("5","1","4","4","2","7","3","1") = "6"
    & skf21("5","1","4","4","2","7","4","1") = "6"
    & skf21("5","1","4","4","2","7","5","1") = "6"
    & skf21("5","1","4","4","2","7","6","1") = "6"
    & skf21("5","1","4","4","2","7","7","1") = "6"
    & skf21("5","1","4","4","3","1","1","1") = "4"
    & skf21("5","1","4","4","3","1","2","1") = "4"
    & skf21("5","1","4","4","3","1","3","1") = "4"
    & skf21("5","1","4","4","3","1","4","1") = "4"
    & skf21("5","1","4","4","3","1","5","1") = "4"
    & skf21("5","1","4","4","3","1","6","1") = "5"
    & skf21("5","1","4","4","3","1","7","1") = "6"
    & skf21("5","1","4","4","3","2","1","1") = "4"
    & skf21("5","1","4","4","3","2","2","1") = "4"
    & skf21("5","1","4","4","3","2","3","1") = "4"
    & skf21("5","1","4","4","3","2","4","1") = "4"
    & skf21("5","1","4","4","3","2","5","1") = "4"
    & skf21("5","1","4","4","3","2","6","1") = "5"
    & skf21("5","1","4","4","3","2","7","1") = "6"
    & skf21("5","1","4","4","3","3","1","1") = "4"
    & skf21("5","1","4","4","3","3","2","1") = "4"
    & skf21("5","1","4","4","3","3","3","1") = "4"
    & skf21("5","1","4","4","3","3","4","1") = "4"
    & skf21("5","1","4","4","3","3","5","1") = "4"
    & skf21("5","1","4","4","3","3","6","1") = "5"
    & skf21("5","1","4","4","3","3","7","1") = "6"
    & skf21("5","1","4","4","3","4","1","1") = "4"
    & skf21("5","1","4","4","3","4","2","1") = "4"
    & skf21("5","1","4","4","3","4","3","1") = "4"
    & skf21("5","1","4","4","3","4","4","1") = "4"
    & skf21("5","1","4","4","3","4","5","1") = "4"
    & skf21("5","1","4","4","3","4","6","1") = "5"
    & skf21("5","1","4","4","3","4","7","1") = "6"
    & skf21("5","1","4","4","3","5","1","1") = "4"
    & skf21("5","1","4","4","3","5","2","1") = "4"
    & skf21("5","1","4","4","3","5","3","1") = "4"
    & skf21("5","1","4","4","3","5","4","1") = "4"
    & skf21("5","1","4","4","3","5","5","1") = "4"
    & skf21("5","1","4","4","3","5","6","1") = "5"
    & skf21("5","1","4","4","3","5","7","1") = "6"
    & skf21("5","1","4","4","3","6","1","1") = "5"
    & skf21("5","1","4","4","3","6","2","1") = "5"
    & skf21("5","1","4","4","3","6","3","1") = "5"
    & skf21("5","1","4","4","3","6","4","1") = "5"
    & skf21("5","1","4","4","3","6","5","1") = "5"
    & skf21("5","1","4","4","3","6","6","1") = "5"
    & skf21("5","1","4","4","3","6","7","1") = "6"
    & skf21("5","1","4","4","3","7","1","1") = "6"
    & skf21("5","1","4","4","3","7","2","1") = "6"
    & skf21("5","1","4","4","3","7","3","1") = "6"
    & skf21("5","1","4","4","3","7","4","1") = "6"
    & skf21("5","1","4","4","3","7","5","1") = "6"
    & skf21("5","1","4","4","3","7","6","1") = "6"
    & skf21("5","1","4","4","3","7","7","1") = "6"
    & skf21("5","1","4","4","4","1","1","1") = "4"
    & skf21("5","1","4","4","4","1","2","1") = "4"
    & skf21("5","1","4","4","4","1","3","1") = "4"
    & skf21("5","1","4","4","4","1","4","1") = "4"
    & skf21("5","1","4","4","4","1","5","1") = "4"
    & skf21("5","1","4","4","4","1","6","1") = "5"
    & skf21("5","1","4","4","4","1","7","1") = "6"
    & skf21("5","1","4","4","4","2","1","1") = "4"
    & skf21("5","1","4","4","4","2","2","1") = "4"
    & skf21("5","1","4","4","4","2","3","1") = "4"
    & skf21("5","1","4","4","4","2","4","1") = "4"
    & skf21("5","1","4","4","4","2","5","1") = "4"
    & skf21("5","1","4","4","4","2","6","1") = "5"
    & skf21("5","1","4","4","4","2","7","1") = "6"
    & skf21("5","1","4","4","4","3","1","1") = "4"
    & skf21("5","1","4","4","4","3","2","1") = "4"
    & skf21("5","1","4","4","4","3","3","1") = "4"
    & skf21("5","1","4","4","4","3","4","1") = "4"
    & skf21("5","1","4","4","4","3","5","1") = "4"
    & skf21("5","1","4","4","4","3","6","1") = "5"
    & skf21("5","1","4","4","4","3","7","1") = "6"
    & skf21("5","1","4","4","4","4","1","1") = "4"
    & skf21("5","1","4","4","4","4","2","1") = "4"
    & skf21("5","1","4","4","4","4","3","1") = "4"
    & skf21("5","1","4","4","4","4","4","1") = "4"
    & skf21("5","1","4","4","4","4","5","1") = "4"
    & skf21("5","1","4","4","4","4","6","1") = "5"
    & skf21("5","1","4","4","4","4","7","1") = "6"
    & skf21("5","1","4","4","4","5","1","1") = "4"
    & skf21("5","1","4","4","4","5","2","1") = "4"
    & skf21("5","1","4","4","4","5","3","1") = "4"
    & skf21("5","1","4","4","4","5","4","1") = "4"
    & skf21("5","1","4","4","4","5","5","1") = "4"
    & skf21("5","1","4","4","4","5","6","1") = "5"
    & skf21("5","1","4","4","4","5","7","1") = "6"
    & skf21("5","1","4","4","4","6","1","1") = "5"
    & skf21("5","1","4","4","4","6","2","1") = "5"
    & skf21("5","1","4","4","4","6","3","1") = "5"
    & skf21("5","1","4","4","4","6","4","1") = "5"
    & skf21("5","1","4","4","4","6","5","1") = "5"
    & skf21("5","1","4","4","4","6","6","1") = "5"
    & skf21("5","1","4","4","4","6","7","1") = "6"
    & skf21("5","1","4","4","4","7","1","1") = "6"
    & skf21("5","1","4","4","4","7","2","1") = "6"
    & skf21("5","1","4","4","4","7","3","1") = "6"
    & skf21("5","1","4","4","4","7","4","1") = "6"
    & skf21("5","1","4","4","4","7","5","1") = "6"
    & skf21("5","1","4","4","4","7","6","1") = "6"
    & skf21("5","1","4","4","4","7","7","1") = "6"
    & skf21("5","1","4","4","5","1","1","1") = "4"
    & skf21("5","1","4","4","5","1","2","1") = "4"
    & skf21("5","1","4","4","5","1","3","1") = "4"
    & skf21("5","1","4","4","5","1","4","1") = "4"
    & skf21("5","1","4","4","5","1","5","1") = "4"
    & skf21("5","1","4","4","5","1","6","1") = "5"
    & skf21("5","1","4","4","5","1","7","1") = "6"
    & skf21("5","1","4","4","5","2","1","1") = "4"
    & skf21("5","1","4","4","5","2","2","1") = "4"
    & skf21("5","1","4","4","5","2","3","1") = "4"
    & skf21("5","1","4","4","5","2","4","1") = "4"
    & skf21("5","1","4","4","5","2","5","1") = "4"
    & skf21("5","1","4","4","5","2","6","1") = "5"
    & skf21("5","1","4","4","5","2","7","1") = "6"
    & skf21("5","1","4","4","5","3","1","1") = "4"
    & skf21("5","1","4","4","5","3","2","1") = "4"
    & skf21("5","1","4","4","5","3","3","1") = "4"
    & skf21("5","1","4","4","5","3","4","1") = "4"
    & skf21("5","1","4","4","5","3","5","1") = "4"
    & skf21("5","1","4","4","5","3","6","1") = "5"
    & skf21("5","1","4","4","5","3","7","1") = "6"
    & skf21("5","1","4","4","5","4","1","1") = "4"
    & skf21("5","1","4","4","5","4","2","1") = "4"
    & skf21("5","1","4","4","5","4","3","1") = "4"
    & skf21("5","1","4","4","5","4","4","1") = "4"
    & skf21("5","1","4","4","5","4","5","1") = "4"
    & skf21("5","1","4","4","5","4","6","1") = "5"
    & skf21("5","1","4","4","5","4","7","1") = "6"
    & skf21("5","1","4","4","5","5","1","1") = "4"
    & skf21("5","1","4","4","5","5","2","1") = "4"
    & skf21("5","1","4","4","5","5","3","1") = "4"
    & skf21("5","1","4","4","5","5","4","1") = "4"
    & skf21("5","1","4","4","5","5","5","1") = "4"
    & skf21("5","1","4","4","5","5","6","1") = "5"
    & skf21("5","1","4","4","5","5","7","1") = "6"
    & skf21("5","1","4","4","5","6","1","1") = "5"
    & skf21("5","1","4","4","5","6","2","1") = "5"
    & skf21("5","1","4","4","5","6","3","1") = "5"
    & skf21("5","1","4","4","5","6","4","1") = "5"
    & skf21("5","1","4","4","5","6","5","1") = "5"
    & skf21("5","1","4","4","5","6","6","1") = "5"
    & skf21("5","1","4","4","5","6","7","1") = "6"
    & skf21("5","1","4","4","5","7","1","1") = "6"
    & skf21("5","1","4","4","5","7","2","1") = "6"
    & skf21("5","1","4","4","5","7","3","1") = "6"
    & skf21("5","1","4","4","5","7","4","1") = "6"
    & skf21("5","1","4","4","5","7","5","1") = "6"
    & skf21("5","1","4","4","5","7","6","1") = "6"
    & skf21("5","1","4","4","5","7","7","1") = "6"
    & skf21("5","1","4","4","6","1","1","1") = "5"
    & skf21("5","1","4","4","6","1","2","1") = "5"
    & skf21("5","1","4","4","6","1","3","1") = "5"
    & skf21("5","1","4","4","6","1","4","1") = "5"
    & skf21("5","1","4","4","6","1","5","1") = "5"
    & skf21("5","1","4","4","6","1","6","1") = "5"
    & skf21("5","1","4","4","6","1","7","1") = "6"
    & skf21("5","1","4","4","6","2","1","1") = "5"
    & skf21("5","1","4","4","6","2","2","1") = "5"
    & skf21("5","1","4","4","6","2","3","1") = "5"
    & skf21("5","1","4","4","6","2","4","1") = "5"
    & skf21("5","1","4","4","6","2","5","1") = "5"
    & skf21("5","1","4","4","6","2","6","1") = "5"
    & skf21("5","1","4","4","6","2","7","1") = "6"
    & skf21("5","1","4","4","6","3","1","1") = "5"
    & skf21("5","1","4","4","6","3","2","1") = "5"
    & skf21("5","1","4","4","6","3","3","1") = "5"
    & skf21("5","1","4","4","6","3","4","1") = "5"
    & skf21("5","1","4","4","6","3","5","1") = "5"
    & skf21("5","1","4","4","6","3","6","1") = "5"
    & skf21("5","1","4","4","6","3","7","1") = "6"
    & skf21("5","1","4","4","6","4","1","1") = "5"
    & skf21("5","1","4","4","6","4","2","1") = "5"
    & skf21("5","1","4","4","6","4","3","1") = "5"
    & skf21("5","1","4","4","6","4","4","1") = "5"
    & skf21("5","1","4","4","6","4","5","1") = "5"
    & skf21("5","1","4","4","6","4","6","1") = "5"
    & skf21("5","1","4","4","6","4","7","1") = "6"
    & skf21("5","1","4","4","6","5","1","1") = "5"
    & skf21("5","1","4","4","6","5","2","1") = "5"
    & skf21("5","1","4","4","6","5","3","1") = "5"
    & skf21("5","1","4","4","6","5","4","1") = "5"
    & skf21("5","1","4","4","6","5","5","1") = "5"
    & skf21("5","1","4","4","6","5","6","1") = "5"
    & skf21("5","1","4","4","6","5","7","1") = "6"
    & skf21("5","1","4","4","6","6","1","1") = "5"
    & skf21("5","1","4","4","6","6","2","1") = "5"
    & skf21("5","1","4","4","6","6","3","1") = "5"
    & skf21("5","1","4","4","6","6","4","1") = "5"
    & skf21("5","1","4","4","6","6","5","1") = "5"
    & skf21("5","1","4","4","6","6","6","1") = "5"
    & skf21("5","1","4","4","6","6","7","1") = "6"
    & skf21("5","1","4","4","6","7","1","1") = "6"
    & skf21("5","1","4","4","6","7","2","1") = "6"
    & skf21("5","1","4","4","6","7","3","1") = "6"
    & skf21("5","1","4","4","6","7","4","1") = "6"
    & skf21("5","1","4","4","6","7","5","1") = "6"
    & skf21("5","1","4","4","6","7","6","1") = "6"
    & skf21("5","1","4","4","6","7","7","1") = "6"
    & skf21("5","1","4","4","7","1","1","1") = "6"
    & skf21("5","1","4","4","7","1","2","1") = "6"
    & skf21("5","1","4","4","7","1","3","1") = "6"
    & skf21("5","1","4","4","7","1","4","1") = "6"
    & skf21("5","1","4","4","7","1","5","1") = "6"
    & skf21("5","1","4","4","7","1","6","1") = "6"
    & skf21("5","1","4","4","7","1","7","1") = "6"
    & skf21("5","1","4","4","7","2","1","1") = "6"
    & skf21("5","1","4","4","7","2","2","1") = "6"
    & skf21("5","1","4","4","7","2","3","1") = "6"
    & skf21("5","1","4","4","7","2","4","1") = "6"
    & skf21("5","1","4","4","7","2","5","1") = "6"
    & skf21("5","1","4","4","7","2","6","1") = "6"
    & skf21("5","1","4","4","7","2","7","1") = "6"
    & skf21("5","1","4","4","7","3","1","1") = "6"
    & skf21("5","1","4","4","7","3","2","1") = "6"
    & skf21("5","1","4","4","7","3","3","1") = "6"
    & skf21("5","1","4","4","7","3","4","1") = "6"
    & skf21("5","1","4","4","7","3","5","1") = "6"
    & skf21("5","1","4","4","7","3","6","1") = "6"
    & skf21("5","1","4","4","7","3","7","1") = "6"
    & skf21("5","1","4","4","7","4","1","1") = "6"
    & skf21("5","1","4","4","7","4","2","1") = "6"
    & skf21("5","1","4","4","7","4","3","1") = "6"
    & skf21("5","1","4","4","7","4","4","1") = "6"
    & skf21("5","1","4","4","7","4","5","1") = "6"
    & skf21("5","1","4","4","7","4","6","1") = "6"
    & skf21("5","1","4","4","7","4","7","1") = "6"
    & skf21("5","1","4","4","7","5","1","1") = "6"
    & skf21("5","1","4","4","7","5","2","1") = "6"
    & skf21("5","1","4","4","7","5","3","1") = "6"
    & skf21("5","1","4","4","7","5","4","1") = "6"
    & skf21("5","1","4","4","7","5","5","1") = "6"
    & skf21("5","1","4","4","7","5","6","1") = "6"
    & skf21("5","1","4","4","7","5","7","1") = "6"
    & skf21("5","1","4","4","7","6","1","1") = "6"
    & skf21("5","1","4","4","7","6","2","1") = "6"
    & skf21("5","1","4","4","7","6","3","1") = "6"
    & skf21("5","1","4","4","7","6","4","1") = "6"
    & skf21("5","1","4","4","7","6","5","1") = "6"
    & skf21("5","1","4","4","7","6","6","1") = "6"
    & skf21("5","1","4","4","7","6","7","1") = "6"
    & skf21("5","1","4","4","7","7","1","1") = "6"
    & skf21("5","1","4","4","7","7","2","1") = "6"
    & skf21("5","1","4","4","7","7","3","1") = "6"
    & skf21("5","1","4","4","7","7","4","1") = "6"
    & skf21("5","1","4","4","7","7","5","1") = "6"
    & skf21("5","1","4","4","7","7","6","1") = "6"
    & skf21("5","1","4","4","7","7","7","1") = "6"
    & skf21("5","1","4","5","1","1","1","1") = "4"
    & skf21("5","1","4","5","1","1","2","1") = "4"
    & skf21("5","1","4","5","1","1","3","1") = "4"
    & skf21("5","1","4","5","1","1","4","1") = "4"
    & skf21("5","1","4","5","1","1","5","1") = "4"
    & skf21("5","1","4","5","1","1","6","1") = "5"
    & skf21("5","1","4","5","1","1","7","1") = "6"
    & skf21("5","1","4","5","1","2","1","1") = "4"
    & skf21("5","1","4","5","1","2","2","1") = "4"
    & skf21("5","1","4","5","1","2","3","1") = "4"
    & skf21("5","1","4","5","1","2","4","1") = "4"
    & skf21("5","1","4","5","1","2","5","1") = "4"
    & skf21("5","1","4","5","1","2","6","1") = "5"
    & skf21("5","1","4","5","1","2","7","1") = "6"
    & skf21("5","1","4","5","1","3","1","1") = "4"
    & skf21("5","1","4","5","1","3","2","1") = "4"
    & skf21("5","1","4","5","1","3","3","1") = "4"
    & skf21("5","1","4","5","1","3","4","1") = "4"
    & skf21("5","1","4","5","1","3","5","1") = "4"
    & skf21("5","1","4","5","1","3","6","1") = "5"
    & skf21("5","1","4","5","1","3","7","1") = "6"
    & skf21("5","1","4","5","1","4","1","1") = "4"
    & skf21("5","1","4","5","1","4","2","1") = "4"
    & skf21("5","1","4","5","1","4","3","1") = "4"
    & skf21("5","1","4","5","1","4","4","1") = "4"
    & skf21("5","1","4","5","1","4","5","1") = "4"
    & skf21("5","1","4","5","1","4","6","1") = "5"
    & skf21("5","1","4","5","1","4","7","1") = "6"
    & skf21("5","1","4","5","1","5","1","1") = "4"
    & skf21("5","1","4","5","1","5","2","1") = "4"
    & skf21("5","1","4","5","1","5","3","1") = "4"
    & skf21("5","1","4","5","1","5","4","1") = "4"
    & skf21("5","1","4","5","1","5","5","1") = "4"
    & skf21("5","1","4","5","1","5","6","1") = "5"
    & skf21("5","1","4","5","1","5","7","1") = "6"
    & skf21("5","1","4","5","1","6","1","1") = "5"
    & skf21("5","1","4","5","1","6","2","1") = "5"
    & skf21("5","1","4","5","1","6","3","1") = "5"
    & skf21("5","1","4","5","1","6","4","1") = "5"
    & skf21("5","1","4","5","1","6","5","1") = "5"
    & skf21("5","1","4","5","1","6","6","1") = "5"
    & skf21("5","1","4","5","1","6","7","1") = "6"
    & skf21("5","1","4","5","1","7","1","1") = "6"
    & skf21("5","1","4","5","1","7","2","1") = "6"
    & skf21("5","1","4","5","1","7","3","1") = "6"
    & skf21("5","1","4","5","1","7","4","1") = "6"
    & skf21("5","1","4","5","1","7","5","1") = "6"
    & skf21("5","1","4","5","1","7","6","1") = "6"
    & skf21("5","1","4","5","1","7","7","1") = "6"
    & skf21("5","1","4","5","2","1","1","1") = "4"
    & skf21("5","1","4","5","2","1","2","1") = "4"
    & skf21("5","1","4","5","2","1","3","1") = "4"
    & skf21("5","1","4","5","2","1","4","1") = "4"
    & skf21("5","1","4","5","2","1","5","1") = "4"
    & skf21("5","1","4","5","2","1","6","1") = "5"
    & skf21("5","1","4","5","2","1","7","1") = "6"
    & skf21("5","1","4","5","2","2","1","1") = "4"
    & skf21("5","1","4","5","2","2","2","1") = "4"
    & skf21("5","1","4","5","2","2","3","1") = "4"
    & skf21("5","1","4","5","2","2","4","1") = "4"
    & skf21("5","1","4","5","2","2","5","1") = "4"
    & skf21("5","1","4","5","2","2","6","1") = "5"
    & skf21("5","1","4","5","2","2","7","1") = "6"
    & skf21("5","1","4","5","2","3","1","1") = "4"
    & skf21("5","1","4","5","2","3","2","1") = "4"
    & skf21("5","1","4","5","2","3","3","1") = "4"
    & skf21("5","1","4","5","2","3","4","1") = "4"
    & skf21("5","1","4","5","2","3","5","1") = "4"
    & skf21("5","1","4","5","2","3","6","1") = "5"
    & skf21("5","1","4","5","2","3","7","1") = "6"
    & skf21("5","1","4","5","2","4","1","1") = "4"
    & skf21("5","1","4","5","2","4","2","1") = "4"
    & skf21("5","1","4","5","2","4","3","1") = "4"
    & skf21("5","1","4","5","2","4","4","1") = "4"
    & skf21("5","1","4","5","2","4","5","1") = "4"
    & skf21("5","1","4","5","2","4","6","1") = "5"
    & skf21("5","1","4","5","2","4","7","1") = "6"
    & skf21("5","1","4","5","2","5","1","1") = "4"
    & skf21("5","1","4","5","2","5","2","1") = "4"
    & skf21("5","1","4","5","2","5","3","1") = "4"
    & skf21("5","1","4","5","2","5","4","1") = "4"
    & skf21("5","1","4","5","2","5","5","1") = "4"
    & skf21("5","1","4","5","2","5","6","1") = "5"
    & skf21("5","1","4","5","2","5","7","1") = "6"
    & skf21("5","1","4","5","2","6","1","1") = "5"
    & skf21("5","1","4","5","2","6","2","1") = "5"
    & skf21("5","1","4","5","2","6","3","1") = "5"
    & skf21("5","1","4","5","2","6","4","1") = "5"
    & skf21("5","1","4","5","2","6","5","1") = "5"
    & skf21("5","1","4","5","2","6","6","1") = "5"
    & skf21("5","1","4","5","2","6","7","1") = "6"
    & skf21("5","1","4","5","2","7","1","1") = "6"
    & skf21("5","1","4","5","2","7","2","1") = "6"
    & skf21("5","1","4","5","2","7","3","1") = "6"
    & skf21("5","1","4","5","2","7","4","1") = "6"
    & skf21("5","1","4","5","2","7","5","1") = "6"
    & skf21("5","1","4","5","2","7","6","1") = "6"
    & skf21("5","1","4","5","2","7","7","1") = "6"
    & skf21("5","1","4","5","3","1","1","1") = "4"
    & skf21("5","1","4","5","3","1","2","1") = "4"
    & skf21("5","1","4","5","3","1","3","1") = "4"
    & skf21("5","1","4","5","3","1","4","1") = "4"
    & skf21("5","1","4","5","3","1","5","1") = "4"
    & skf21("5","1","4","5","3","1","6","1") = "5"
    & skf21("5","1","4","5","3","1","7","1") = "6"
    & skf21("5","1","4","5","3","2","1","1") = "4"
    & skf21("5","1","4","5","3","2","2","1") = "4"
    & skf21("5","1","4","5","3","2","3","1") = "4"
    & skf21("5","1","4","5","3","2","4","1") = "4"
    & skf21("5","1","4","5","3","2","5","1") = "4"
    & skf21("5","1","4","5","3","2","6","1") = "5"
    & skf21("5","1","4","5","3","2","7","1") = "6"
    & skf21("5","1","4","5","3","3","1","1") = "4"
    & skf21("5","1","4","5","3","3","2","1") = "4"
    & skf21("5","1","4","5","3","3","3","1") = "4"
    & skf21("5","1","4","5","3","3","4","1") = "4"
    & skf21("5","1","4","5","3","3","5","1") = "4"
    & skf21("5","1","4","5","3","3","6","1") = "5"
    & skf21("5","1","4","5","3","3","7","1") = "6"
    & skf21("5","1","4","5","3","4","1","1") = "4"
    & skf21("5","1","4","5","3","4","2","1") = "4"
    & skf21("5","1","4","5","3","4","3","1") = "4"
    & skf21("5","1","4","5","3","4","4","1") = "4"
    & skf21("5","1","4","5","3","4","5","1") = "4"
    & skf21("5","1","4","5","3","4","6","1") = "5"
    & skf21("5","1","4","5","3","4","7","1") = "6"
    & skf21("5","1","4","5","3","5","1","1") = "4"
    & skf21("5","1","4","5","3","5","2","1") = "4"
    & skf21("5","1","4","5","3","5","3","1") = "4"
    & skf21("5","1","4","5","3","5","4","1") = "4"
    & skf21("5","1","4","5","3","5","5","1") = "4"
    & skf21("5","1","4","5","3","5","6","1") = "5"
    & skf21("5","1","4","5","3","5","7","1") = "6"
    & skf21("5","1","4","5","3","6","1","1") = "5"
    & skf21("5","1","4","5","3","6","2","1") = "5"
    & skf21("5","1","4","5","3","6","3","1") = "5"
    & skf21("5","1","4","5","3","6","4","1") = "5"
    & skf21("5","1","4","5","3","6","5","1") = "5"
    & skf21("5","1","4","5","3","6","6","1") = "5"
    & skf21("5","1","4","5","3","6","7","1") = "6"
    & skf21("5","1","4","5","3","7","1","1") = "6"
    & skf21("5","1","4","5","3","7","2","1") = "6"
    & skf21("5","1","4","5","3","7","3","1") = "6"
    & skf21("5","1","4","5","3","7","4","1") = "6"
    & skf21("5","1","4","5","3","7","5","1") = "6"
    & skf21("5","1","4","5","3","7","6","1") = "6"
    & skf21("5","1","4","5","3","7","7","1") = "6"
    & skf21("5","1","4","5","4","1","1","1") = "4"
    & skf21("5","1","4","5","4","1","2","1") = "4"
    & skf21("5","1","4","5","4","1","3","1") = "4"
    & skf21("5","1","4","5","4","1","4","1") = "4"
    & skf21("5","1","4","5","4","1","5","1") = "4"
    & skf21("5","1","4","5","4","1","6","1") = "5"
    & skf21("5","1","4","5","4","1","7","1") = "6"
    & skf21("5","1","4","5","4","2","1","1") = "4"
    & skf21("5","1","4","5","4","2","2","1") = "4"
    & skf21("5","1","4","5","4","2","3","1") = "4"
    & skf21("5","1","4","5","4","2","4","1") = "4"
    & skf21("5","1","4","5","4","2","5","1") = "4"
    & skf21("5","1","4","5","4","2","6","1") = "5"
    & skf21("5","1","4","5","4","2","7","1") = "6"
    & skf21("5","1","4","5","4","3","1","1") = "4"
    & skf21("5","1","4","5","4","3","2","1") = "4"
    & skf21("5","1","4","5","4","3","3","1") = "4"
    & skf21("5","1","4","5","4","3","4","1") = "4"
    & skf21("5","1","4","5","4","3","5","1") = "4"
    & skf21("5","1","4","5","4","3","6","1") = "5"
    & skf21("5","1","4","5","4","3","7","1") = "6"
    & skf21("5","1","4","5","4","4","1","1") = "4"
    & skf21("5","1","4","5","4","4","2","1") = "4"
    & skf21("5","1","4","5","4","4","3","1") = "4"
    & skf21("5","1","4","5","4","4","4","1") = "4"
    & skf21("5","1","4","5","4","4","5","1") = "4"
    & skf21("5","1","4","5","4","4","6","1") = "5"
    & skf21("5","1","4","5","4","4","7","1") = "6"
    & skf21("5","1","4","5","4","5","1","1") = "4"
    & skf21("5","1","4","5","4","5","2","1") = "4"
    & skf21("5","1","4","5","4","5","3","1") = "4"
    & skf21("5","1","4","5","4","5","4","1") = "4"
    & skf21("5","1","4","5","4","5","5","1") = "4"
    & skf21("5","1","4","5","4","5","6","1") = "5"
    & skf21("5","1","4","5","4","5","7","1") = "6"
    & skf21("5","1","4","5","4","6","1","1") = "5"
    & skf21("5","1","4","5","4","6","2","1") = "5"
    & skf21("5","1","4","5","4","6","3","1") = "5"
    & skf21("5","1","4","5","4","6","4","1") = "5"
    & skf21("5","1","4","5","4","6","5","1") = "5"
    & skf21("5","1","4","5","4","6","6","1") = "5"
    & skf21("5","1","4","5","4","6","7","1") = "6"
    & skf21("5","1","4","5","4","7","1","1") = "6"
    & skf21("5","1","4","5","4","7","2","1") = "6"
    & skf21("5","1","4","5","4","7","3","1") = "6"
    & skf21("5","1","4","5","4","7","4","1") = "6"
    & skf21("5","1","4","5","4","7","5","1") = "6"
    & skf21("5","1","4","5","4","7","6","1") = "6"
    & skf21("5","1","4","5","4","7","7","1") = "6"
    & skf21("5","1","4","5","5","1","1","1") = "4"
    & skf21("5","1","4","5","5","1","2","1") = "4"
    & skf21("5","1","4","5","5","1","3","1") = "4"
    & skf21("5","1","4","5","5","1","4","1") = "4"
    & skf21("5","1","4","5","5","1","5","1") = "4"
    & skf21("5","1","4","5","5","1","6","1") = "5"
    & skf21("5","1","4","5","5","1","7","1") = "6"
    & skf21("5","1","4","5","5","2","1","1") = "4"
    & skf21("5","1","4","5","5","2","2","1") = "4"
    & skf21("5","1","4","5","5","2","3","1") = "4"
    & skf21("5","1","4","5","5","2","4","1") = "4"
    & skf21("5","1","4","5","5","2","5","1") = "4"
    & skf21("5","1","4","5","5","2","6","1") = "5"
    & skf21("5","1","4","5","5","2","7","1") = "6"
    & skf21("5","1","4","5","5","3","1","1") = "4"
    & skf21("5","1","4","5","5","3","2","1") = "4"
    & skf21("5","1","4","5","5","3","3","1") = "4"
    & skf21("5","1","4","5","5","3","4","1") = "4"
    & skf21("5","1","4","5","5","3","5","1") = "4"
    & skf21("5","1","4","5","5","3","6","1") = "5"
    & skf21("5","1","4","5","5","3","7","1") = "6"
    & skf21("5","1","4","5","5","4","1","1") = "4"
    & skf21("5","1","4","5","5","4","2","1") = "4"
    & skf21("5","1","4","5","5","4","3","1") = "4"
    & skf21("5","1","4","5","5","4","4","1") = "4"
    & skf21("5","1","4","5","5","4","5","1") = "4"
    & skf21("5","1","4","5","5","4","6","1") = "5"
    & skf21("5","1","4","5","5","4","7","1") = "6"
    & skf21("5","1","4","5","5","5","1","1") = "4"
    & skf21("5","1","4","5","5","5","2","1") = "4"
    & skf21("5","1","4","5","5","5","3","1") = "4"
    & skf21("5","1","4","5","5","5","4","1") = "4"
    & skf21("5","1","4","5","5","5","5","1") = "4"
    & skf21("5","1","4","5","5","5","6","1") = "5"
    & skf21("5","1","4","5","5","5","7","1") = "6"
    & skf21("5","1","4","5","5","6","1","1") = "5"
    & skf21("5","1","4","5","5","6","2","1") = "5"
    & skf21("5","1","4","5","5","6","3","1") = "5"
    & skf21("5","1","4","5","5","6","4","1") = "5"
    & skf21("5","1","4","5","5","6","5","1") = "5"
    & skf21("5","1","4","5","5","6","6","1") = "5"
    & skf21("5","1","4","5","5","6","7","1") = "6"
    & skf21("5","1","4","5","5","7","1","1") = "6"
    & skf21("5","1","4","5","5","7","2","1") = "6"
    & skf21("5","1","4","5","5","7","3","1") = "6"
    & skf21("5","1","4","5","5","7","4","1") = "6"
    & skf21("5","1","4","5","5","7","5","1") = "6"
    & skf21("5","1","4","5","5","7","6","1") = "6"
    & skf21("5","1","4","5","5","7","7","1") = "6"
    & skf21("5","1","4","5","6","1","1","1") = "5"
    & skf21("5","1","4","5","6","1","2","1") = "5"
    & skf21("5","1","4","5","6","1","3","1") = "5"
    & skf21("5","1","4","5","6","1","4","1") = "5"
    & skf21("5","1","4","5","6","1","5","1") = "5"
    & skf21("5","1","4","5","6","1","6","1") = "5"
    & skf21("5","1","4","5","6","1","7","1") = "6"
    & skf21("5","1","4","5","6","2","1","1") = "5"
    & skf21("5","1","4","5","6","2","2","1") = "5"
    & skf21("5","1","4","5","6","2","3","1") = "5"
    & skf21("5","1","4","5","6","2","4","1") = "5"
    & skf21("5","1","4","5","6","2","5","1") = "5"
    & skf21("5","1","4","5","6","2","6","1") = "5"
    & skf21("5","1","4","5","6","2","7","1") = "6"
    & skf21("5","1","4","5","6","3","1","1") = "5"
    & skf21("5","1","4","5","6","3","2","1") = "5"
    & skf21("5","1","4","5","6","3","3","1") = "5"
    & skf21("5","1","4","5","6","3","4","1") = "5"
    & skf21("5","1","4","5","6","3","5","1") = "5"
    & skf21("5","1","4","5","6","3","6","1") = "5"
    & skf21("5","1","4","5","6","3","7","1") = "6"
    & skf21("5","1","4","5","6","4","1","1") = "5"
    & skf21("5","1","4","5","6","4","2","1") = "5"
    & skf21("5","1","4","5","6","4","3","1") = "5"
    & skf21("5","1","4","5","6","4","4","1") = "5"
    & skf21("5","1","4","5","6","4","5","1") = "5"
    & skf21("5","1","4","5","6","4","6","1") = "5"
    & skf21("5","1","4","5","6","4","7","1") = "6"
    & skf21("5","1","4","5","6","5","1","1") = "5"
    & skf21("5","1","4","5","6","5","2","1") = "5"
    & skf21("5","1","4","5","6","5","3","1") = "5"
    & skf21("5","1","4","5","6","5","4","1") = "5"
    & skf21("5","1","4","5","6","5","5","1") = "5"
    & skf21("5","1","4","5","6","5","6","1") = "5"
    & skf21("5","1","4","5","6","5","7","1") = "6"
    & skf21("5","1","4","5","6","6","1","1") = "5"
    & skf21("5","1","4","5","6","6","2","1") = "5"
    & skf21("5","1","4","5","6","6","3","1") = "5"
    & skf21("5","1","4","5","6","6","4","1") = "5"
    & skf21("5","1","4","5","6","6","5","1") = "5"
    & skf21("5","1","4","5","6","6","6","1") = "5"
    & skf21("5","1","4","5","6","6","7","1") = "6"
    & skf21("5","1","4","5","6","7","1","1") = "6"
    & skf21("5","1","4","5","6","7","2","1") = "6"
    & skf21("5","1","4","5","6","7","3","1") = "6"
    & skf21("5","1","4","5","6","7","4","1") = "6"
    & skf21("5","1","4","5","6","7","5","1") = "6"
    & skf21("5","1","4","5","6","7","6","1") = "6"
    & skf21("5","1","4","5","6","7","7","1") = "6"
    & skf21("5","1","4","5","7","1","1","1") = "6"
    & skf21("5","1","4","5","7","1","2","1") = "6"
    & skf21("5","1","4","5","7","1","3","1") = "6"
    & skf21("5","1","4","5","7","1","4","1") = "6"
    & skf21("5","1","4","5","7","1","5","1") = "6"
    & skf21("5","1","4","5","7","1","6","1") = "6"
    & skf21("5","1","4","5","7","1","7","1") = "6"
    & skf21("5","1","4","5","7","2","1","1") = "6"
    & skf21("5","1","4","5","7","2","2","1") = "6"
    & skf21("5","1","4","5","7","2","3","1") = "6"
    & skf21("5","1","4","5","7","2","4","1") = "6"
    & skf21("5","1","4","5","7","2","5","1") = "6"
    & skf21("5","1","4","5","7","2","6","1") = "6"
    & skf21("5","1","4","5","7","2","7","1") = "6"
    & skf21("5","1","4","5","7","3","1","1") = "6"
    & skf21("5","1","4","5","7","3","2","1") = "6"
    & skf21("5","1","4","5","7","3","3","1") = "6"
    & skf21("5","1","4","5","7","3","4","1") = "6"
    & skf21("5","1","4","5","7","3","5","1") = "6"
    & skf21("5","1","4","5","7","3","6","1") = "6"
    & skf21("5","1","4","5","7","3","7","1") = "6"
    & skf21("5","1","4","5","7","4","1","1") = "6"
    & skf21("5","1","4","5","7","4","2","1") = "6"
    & skf21("5","1","4","5","7","4","3","1") = "6"
    & skf21("5","1","4","5","7","4","4","1") = "6"
    & skf21("5","1","4","5","7","4","5","1") = "6"
    & skf21("5","1","4","5","7","4","6","1") = "6"
    & skf21("5","1","4","5","7","4","7","1") = "6"
    & skf21("5","1","4","5","7","5","1","1") = "6"
    & skf21("5","1","4","5","7","5","2","1") = "6"
    & skf21("5","1","4","5","7","5","3","1") = "6"
    & skf21("5","1","4","5","7","5","4","1") = "6"
    & skf21("5","1","4","5","7","5","5","1") = "6"
    & skf21("5","1","4","5","7","5","6","1") = "6"
    & skf21("5","1","4","5","7","5","7","1") = "6"
    & skf21("5","1","4","5","7","6","1","1") = "6"
    & skf21("5","1","4","5","7","6","2","1") = "6"
    & skf21("5","1","4","5","7","6","3","1") = "6"
    & skf21("5","1","4","5","7","6","4","1") = "6"
    & skf21("5","1","4","5","7","6","5","1") = "6"
    & skf21("5","1","4","5","7","6","6","1") = "6"
    & skf21("5","1","4","5","7","6","7","1") = "6"
    & skf21("5","1","4","5","7","7","1","1") = "6"
    & skf21("5","1","4","5","7","7","2","1") = "6"
    & skf21("5","1","4","5","7","7","3","1") = "6"
    & skf21("5","1","4","5","7","7","4","1") = "6"
    & skf21("5","1","4","5","7","7","5","1") = "6"
    & skf21("5","1","4","5","7","7","6","1") = "6"
    & skf21("5","1","4","5","7","7","7","1") = "6"
    & skf21("5","1","4","6","1","1","1","1") = "5"
    & skf21("5","1","4","6","1","1","2","1") = "5"
    & skf21("5","1","4","6","1","1","3","1") = "5"
    & skf21("5","1","4","6","1","1","4","1") = "5"
    & skf21("5","1","4","6","1","1","5","1") = "5"
    & skf21("5","1","4","6","1","1","6","1") = "5"
    & skf21("5","1","4","6","1","1","7","1") = "6"
    & skf21("5","1","4","6","1","2","1","1") = "5"
    & skf21("5","1","4","6","1","2","2","1") = "5"
    & skf21("5","1","4","6","1","2","3","1") = "5"
    & skf21("5","1","4","6","1","2","4","1") = "5"
    & skf21("5","1","4","6","1","2","5","1") = "5"
    & skf21("5","1","4","6","1","2","6","1") = "5"
    & skf21("5","1","4","6","1","2","7","1") = "6"
    & skf21("5","1","4","6","1","3","1","1") = "5"
    & skf21("5","1","4","6","1","3","2","1") = "5"
    & skf21("5","1","4","6","1","3","3","1") = "5"
    & skf21("5","1","4","6","1","3","4","1") = "5"
    & skf21("5","1","4","6","1","3","5","1") = "5"
    & skf21("5","1","4","6","1","3","6","1") = "5"
    & skf21("5","1","4","6","1","3","7","1") = "6"
    & skf21("5","1","4","6","1","4","1","1") = "5"
    & skf21("5","1","4","6","1","4","2","1") = "5"
    & skf21("5","1","4","6","1","4","3","1") = "5"
    & skf21("5","1","4","6","1","4","4","1") = "5"
    & skf21("5","1","4","6","1","4","5","1") = "5"
    & skf21("5","1","4","6","1","4","6","1") = "5"
    & skf21("5","1","4","6","1","4","7","1") = "6"
    & skf21("5","1","4","6","1","5","1","1") = "5"
    & skf21("5","1","4","6","1","5","2","1") = "5"
    & skf21("5","1","4","6","1","5","3","1") = "5"
    & skf21("5","1","4","6","1","5","4","1") = "5"
    & skf21("5","1","4","6","1","5","5","1") = "5"
    & skf21("5","1","4","6","1","5","6","1") = "5"
    & skf21("5","1","4","6","1","5","7","1") = "6"
    & skf21("5","1","4","6","1","6","1","1") = "5"
    & skf21("5","1","4","6","1","6","2","1") = "5"
    & skf21("5","1","4","6","1","6","3","1") = "5"
    & skf21("5","1","4","6","1","6","4","1") = "5"
    & skf21("5","1","4","6","1","6","5","1") = "5"
    & skf21("5","1","4","6","1","6","6","1") = "5"
    & skf21("5","1","4","6","1","6","7","1") = "6"
    & skf21("5","1","4","6","1","7","1","1") = "6"
    & skf21("5","1","4","6","1","7","2","1") = "6"
    & skf21("5","1","4","6","1","7","3","1") = "6"
    & skf21("5","1","4","6","1","7","4","1") = "6"
    & skf21("5","1","4","6","1","7","5","1") = "6"
    & skf21("5","1","4","6","1","7","6","1") = "6"
    & skf21("5","1","4","6","1","7","7","1") = "6"
    & skf21("5","1","4","6","2","1","1","1") = "5"
    & skf21("5","1","4","6","2","1","2","1") = "5"
    & skf21("5","1","4","6","2","1","3","1") = "5"
    & skf21("5","1","4","6","2","1","4","1") = "5"
    & skf21("5","1","4","6","2","1","5","1") = "5"
    & skf21("5","1","4","6","2","1","6","1") = "5"
    & skf21("5","1","4","6","2","1","7","1") = "6"
    & skf21("5","1","4","6","2","2","1","1") = "5"
    & skf21("5","1","4","6","2","2","2","1") = "5"
    & skf21("5","1","4","6","2","2","3","1") = "5"
    & skf21("5","1","4","6","2","2","4","1") = "5"
    & skf21("5","1","4","6","2","2","5","1") = "5"
    & skf21("5","1","4","6","2","2","6","1") = "5"
    & skf21("5","1","4","6","2","2","7","1") = "6"
    & skf21("5","1","4","6","2","3","1","1") = "5"
    & skf21("5","1","4","6","2","3","2","1") = "5"
    & skf21("5","1","4","6","2","3","3","1") = "5"
    & skf21("5","1","4","6","2","3","4","1") = "5"
    & skf21("5","1","4","6","2","3","5","1") = "5"
    & skf21("5","1","4","6","2","3","6","1") = "5"
    & skf21("5","1","4","6","2","3","7","1") = "6"
    & skf21("5","1","4","6","2","4","1","1") = "5"
    & skf21("5","1","4","6","2","4","2","1") = "5"
    & skf21("5","1","4","6","2","4","3","1") = "5"
    & skf21("5","1","4","6","2","4","4","1") = "5"
    & skf21("5","1","4","6","2","4","5","1") = "5"
    & skf21("5","1","4","6","2","4","6","1") = "5"
    & skf21("5","1","4","6","2","4","7","1") = "6"
    & skf21("5","1","4","6","2","5","1","1") = "5"
    & skf21("5","1","4","6","2","5","2","1") = "5"
    & skf21("5","1","4","6","2","5","3","1") = "5"
    & skf21("5","1","4","6","2","5","4","1") = "5"
    & skf21("5","1","4","6","2","5","5","1") = "5"
    & skf21("5","1","4","6","2","5","6","1") = "5"
    & skf21("5","1","4","6","2","5","7","1") = "6"
    & skf21("5","1","4","6","2","6","1","1") = "5"
    & skf21("5","1","4","6","2","6","2","1") = "5"
    & skf21("5","1","4","6","2","6","3","1") = "5"
    & skf21("5","1","4","6","2","6","4","1") = "5"
    & skf21("5","1","4","6","2","6","5","1") = "5"
    & skf21("5","1","4","6","2","6","6","1") = "5"
    & skf21("5","1","4","6","2","6","7","1") = "6"
    & skf21("5","1","4","6","2","7","1","1") = "6"
    & skf21("5","1","4","6","2","7","2","1") = "6"
    & skf21("5","1","4","6","2","7","3","1") = "6"
    & skf21("5","1","4","6","2","7","4","1") = "6"
    & skf21("5","1","4","6","2","7","5","1") = "6"
    & skf21("5","1","4","6","2","7","6","1") = "6"
    & skf21("5","1","4","6","2","7","7","1") = "6"
    & skf21("5","1","4","6","3","1","1","1") = "5"
    & skf21("5","1","4","6","3","1","2","1") = "5"
    & skf21("5","1","4","6","3","1","3","1") = "5"
    & skf21("5","1","4","6","3","1","4","1") = "5"
    & skf21("5","1","4","6","3","1","5","1") = "5"
    & skf21("5","1","4","6","3","1","6","1") = "5"
    & skf21("5","1","4","6","3","1","7","1") = "6"
    & skf21("5","1","4","6","3","2","1","1") = "5"
    & skf21("5","1","4","6","3","2","2","1") = "5"
    & skf21("5","1","4","6","3","2","3","1") = "5"
    & skf21("5","1","4","6","3","2","4","1") = "5"
    & skf21("5","1","4","6","3","2","5","1") = "5"
    & skf21("5","1","4","6","3","2","6","1") = "5"
    & skf21("5","1","4","6","3","2","7","1") = "6"
    & skf21("5","1","4","6","3","3","1","1") = "5"
    & skf21("5","1","4","6","3","3","2","1") = "5"
    & skf21("5","1","4","6","3","3","3","1") = "5"
    & skf21("5","1","4","6","3","3","4","1") = "5"
    & skf21("5","1","4","6","3","3","5","1") = "5"
    & skf21("5","1","4","6","3","3","6","1") = "5"
    & skf21("5","1","4","6","3","3","7","1") = "6"
    & skf21("5","1","4","6","3","4","1","1") = "5"
    & skf21("5","1","4","6","3","4","2","1") = "5"
    & skf21("5","1","4","6","3","4","3","1") = "5"
    & skf21("5","1","4","6","3","4","4","1") = "5"
    & skf21("5","1","4","6","3","4","5","1") = "5"
    & skf21("5","1","4","6","3","4","6","1") = "5"
    & skf21("5","1","4","6","3","4","7","1") = "6"
    & skf21("5","1","4","6","3","5","1","1") = "5"
    & skf21("5","1","4","6","3","5","2","1") = "5"
    & skf21("5","1","4","6","3","5","3","1") = "5"
    & skf21("5","1","4","6","3","5","4","1") = "5"
    & skf21("5","1","4","6","3","5","5","1") = "5"
    & skf21("5","1","4","6","3","5","6","1") = "5"
    & skf21("5","1","4","6","3","5","7","1") = "6"
    & skf21("5","1","4","6","3","6","1","1") = "5"
    & skf21("5","1","4","6","3","6","2","1") = "5"
    & skf21("5","1","4","6","3","6","3","1") = "5"
    & skf21("5","1","4","6","3","6","4","1") = "5"
    & skf21("5","1","4","6","3","6","5","1") = "5"
    & skf21("5","1","4","6","3","6","6","1") = "5"
    & skf21("5","1","4","6","3","6","7","1") = "6"
    & skf21("5","1","4","6","3","7","1","1") = "6"
    & skf21("5","1","4","6","3","7","2","1") = "6"
    & skf21("5","1","4","6","3","7","3","1") = "6"
    & skf21("5","1","4","6","3","7","4","1") = "6"
    & skf21("5","1","4","6","3","7","5","1") = "6"
    & skf21("5","1","4","6","3","7","6","1") = "6"
    & skf21("5","1","4","6","3","7","7","1") = "6"
    & skf21("5","1","4","6","4","1","1","1") = "5"
    & skf21("5","1","4","6","4","1","2","1") = "5"
    & skf21("5","1","4","6","4","1","3","1") = "5"
    & skf21("5","1","4","6","4","1","4","1") = "5"
    & skf21("5","1","4","6","4","1","5","1") = "5"
    & skf21("5","1","4","6","4","1","6","1") = "5"
    & skf21("5","1","4","6","4","1","7","1") = "6"
    & skf21("5","1","4","6","4","2","1","1") = "5"
    & skf21("5","1","4","6","4","2","2","1") = "5"
    & skf21("5","1","4","6","4","2","3","1") = "5"
    & skf21("5","1","4","6","4","2","4","1") = "5"
    & skf21("5","1","4","6","4","2","5","1") = "5"
    & skf21("5","1","4","6","4","2","6","1") = "5"
    & skf21("5","1","4","6","4","2","7","1") = "6"
    & skf21("5","1","4","6","4","3","1","1") = "5"
    & skf21("5","1","4","6","4","3","2","1") = "5"
    & skf21("5","1","4","6","4","3","3","1") = "5"
    & skf21("5","1","4","6","4","3","4","1") = "5"
    & skf21("5","1","4","6","4","3","5","1") = "5"
    & skf21("5","1","4","6","4","3","6","1") = "5"
    & skf21("5","1","4","6","4","3","7","1") = "6"
    & skf21("5","1","4","6","4","4","1","1") = "5"
    & skf21("5","1","4","6","4","4","2","1") = "5"
    & skf21("5","1","4","6","4","4","3","1") = "5"
    & skf21("5","1","4","6","4","4","4","1") = "5"
    & skf21("5","1","4","6","4","4","5","1") = "5"
    & skf21("5","1","4","6","4","4","6","1") = "5"
    & skf21("5","1","4","6","4","4","7","1") = "6"
    & skf21("5","1","4","6","4","5","1","1") = "5"
    & skf21("5","1","4","6","4","5","2","1") = "5"
    & skf21("5","1","4","6","4","5","3","1") = "5"
    & skf21("5","1","4","6","4","5","4","1") = "5"
    & skf21("5","1","4","6","4","5","5","1") = "5"
    & skf21("5","1","4","6","4","5","6","1") = "5"
    & skf21("5","1","4","6","4","5","7","1") = "6"
    & skf21("5","1","4","6","4","6","1","1") = "5"
    & skf21("5","1","4","6","4","6","2","1") = "5"
    & skf21("5","1","4","6","4","6","3","1") = "5"
    & skf21("5","1","4","6","4","6","4","1") = "5"
    & skf21("5","1","4","6","4","6","5","1") = "5"
    & skf21("5","1","4","6","4","6","6","1") = "5"
    & skf21("5","1","4","6","4","6","7","1") = "6"
    & skf21("5","1","4","6","4","7","1","1") = "6"
    & skf21("5","1","4","6","4","7","2","1") = "6"
    & skf21("5","1","4","6","4","7","3","1") = "6"
    & skf21("5","1","4","6","4","7","4","1") = "6"
    & skf21("5","1","4","6","4","7","5","1") = "6"
    & skf21("5","1","4","6","4","7","6","1") = "6"
    & skf21("5","1","4","6","4","7","7","1") = "6"
    & skf21("5","1","4","6","5","1","1","1") = "5"
    & skf21("5","1","4","6","5","1","2","1") = "5"
    & skf21("5","1","4","6","5","1","3","1") = "5"
    & skf21("5","1","4","6","5","1","4","1") = "5"
    & skf21("5","1","4","6","5","1","5","1") = "5"
    & skf21("5","1","4","6","5","1","6","1") = "5"
    & skf21("5","1","4","6","5","1","7","1") = "6"
    & skf21("5","1","4","6","5","2","1","1") = "5"
    & skf21("5","1","4","6","5","2","2","1") = "5"
    & skf21("5","1","4","6","5","2","3","1") = "5"
    & skf21("5","1","4","6","5","2","4","1") = "5"
    & skf21("5","1","4","6","5","2","5","1") = "5"
    & skf21("5","1","4","6","5","2","6","1") = "5"
    & skf21("5","1","4","6","5","2","7","1") = "6"
    & skf21("5","1","4","6","5","3","1","1") = "5"
    & skf21("5","1","4","6","5","3","2","1") = "5"
    & skf21("5","1","4","6","5","3","3","1") = "5"
    & skf21("5","1","4","6","5","3","4","1") = "5"
    & skf21("5","1","4","6","5","3","5","1") = "5"
    & skf21("5","1","4","6","5","3","6","1") = "5"
    & skf21("5","1","4","6","5","3","7","1") = "6"
    & skf21("5","1","4","6","5","4","1","1") = "5"
    & skf21("5","1","4","6","5","4","2","1") = "5"
    & skf21("5","1","4","6","5","4","3","1") = "5"
    & skf21("5","1","4","6","5","4","4","1") = "5"
    & skf21("5","1","4","6","5","4","5","1") = "5"
    & skf21("5","1","4","6","5","4","6","1") = "5"
    & skf21("5","1","4","6","5","4","7","1") = "6"
    & skf21("5","1","4","6","5","5","1","1") = "5"
    & skf21("5","1","4","6","5","5","2","1") = "5"
    & skf21("5","1","4","6","5","5","3","1") = "5"
    & skf21("5","1","4","6","5","5","4","1") = "5"
    & skf21("5","1","4","6","5","5","5","1") = "5"
    & skf21("5","1","4","6","5","5","6","1") = "5"
    & skf21("5","1","4","6","5","5","7","1") = "6"
    & skf21("5","1","4","6","5","6","1","1") = "5"
    & skf21("5","1","4","6","5","6","2","1") = "5"
    & skf21("5","1","4","6","5","6","3","1") = "5"
    & skf21("5","1","4","6","5","6","4","1") = "5"
    & skf21("5","1","4","6","5","6","5","1") = "5"
    & skf21("5","1","4","6","5","6","6","1") = "5"
    & skf21("5","1","4","6","5","6","7","1") = "6"
    & skf21("5","1","4","6","5","7","1","1") = "6"
    & skf21("5","1","4","6","5","7","2","1") = "6"
    & skf21("5","1","4","6","5","7","3","1") = "6"
    & skf21("5","1","4","6","5","7","4","1") = "6"
    & skf21("5","1","4","6","5","7","5","1") = "6"
    & skf21("5","1","4","6","5","7","6","1") = "6"
    & skf21("5","1","4","6","5","7","7","1") = "6"
    & skf21("5","1","4","6","6","1","1","1") = "5"
    & skf21("5","1","4","6","6","1","2","1") = "5"
    & skf21("5","1","4","6","6","1","3","1") = "5"
    & skf21("5","1","4","6","6","1","4","1") = "5"
    & skf21("5","1","4","6","6","1","5","1") = "5"
    & skf21("5","1","4","6","6","1","6","1") = "5"
    & skf21("5","1","4","6","6","1","7","1") = "6"
    & skf21("5","1","4","6","6","2","1","1") = "5"
    & skf21("5","1","4","6","6","2","2","1") = "5"
    & skf21("5","1","4","6","6","2","3","1") = "5"
    & skf21("5","1","4","6","6","2","4","1") = "5"
    & skf21("5","1","4","6","6","2","5","1") = "5"
    & skf21("5","1","4","6","6","2","6","1") = "5"
    & skf21("5","1","4","6","6","2","7","1") = "6"
    & skf21("5","1","4","6","6","3","1","1") = "5"
    & skf21("5","1","4","6","6","3","2","1") = "5"
    & skf21("5","1","4","6","6","3","3","1") = "5"
    & skf21("5","1","4","6","6","3","4","1") = "5"
    & skf21("5","1","4","6","6","3","5","1") = "5"
    & skf21("5","1","4","6","6","3","6","1") = "5"
    & skf21("5","1","4","6","6","3","7","1") = "6"
    & skf21("5","1","4","6","6","4","1","1") = "5"
    & skf21("5","1","4","6","6","4","2","1") = "5"
    & skf21("5","1","4","6","6","4","3","1") = "5"
    & skf21("5","1","4","6","6","4","4","1") = "5"
    & skf21("5","1","4","6","6","4","5","1") = "5"
    & skf21("5","1","4","6","6","4","6","1") = "5"
    & skf21("5","1","4","6","6","4","7","1") = "6"
    & skf21("5","1","4","6","6","5","1","1") = "5"
    & skf21("5","1","4","6","6","5","2","1") = "5"
    & skf21("5","1","4","6","6","5","3","1") = "5"
    & skf21("5","1","4","6","6","5","4","1") = "5"
    & skf21("5","1","4","6","6","5","5","1") = "5"
    & skf21("5","1","4","6","6","5","6","1") = "5"
    & skf21("5","1","4","6","6","5","7","1") = "6"
    & skf21("5","1","4","6","6","6","1","1") = "5"
    & skf21("5","1","4","6","6","6","2","1") = "5"
    & skf21("5","1","4","6","6","6","3","1") = "5"
    & skf21("5","1","4","6","6","6","4","1") = "5"
    & skf21("5","1","4","6","6","6","5","1") = "5"
    & skf21("5","1","4","6","6","6","6","1") = "5"
    & skf21("5","1","4","6","6","6","7","1") = "6"
    & skf21("5","1","4","6","6","7","1","1") = "6"
    & skf21("5","1","4","6","6","7","2","1") = "6"
    & skf21("5","1","4","6","6","7","3","1") = "6"
    & skf21("5","1","4","6","6","7","4","1") = "6"
    & skf21("5","1","4","6","6","7","5","1") = "6"
    & skf21("5","1","4","6","6","7","6","1") = "6"
    & skf21("5","1","4","6","6","7","7","1") = "6"
    & skf21("5","1","4","6","7","1","1","1") = "6"
    & skf21("5","1","4","6","7","1","2","1") = "6"
    & skf21("5","1","4","6","7","1","3","1") = "6"
    & skf21("5","1","4","6","7","1","4","1") = "6"
    & skf21("5","1","4","6","7","1","5","1") = "6"
    & skf21("5","1","4","6","7","1","6","1") = "6"
    & skf21("5","1","4","6","7","1","7","1") = "6"
    & skf21("5","1","4","6","7","2","1","1") = "6"
    & skf21("5","1","4","6","7","2","2","1") = "6"
    & skf21("5","1","4","6","7","2","3","1") = "6"
    & skf21("5","1","4","6","7","2","4","1") = "6"
    & skf21("5","1","4","6","7","2","5","1") = "6"
    & skf21("5","1","4","6","7","2","6","1") = "6"
    & skf21("5","1","4","6","7","2","7","1") = "6"
    & skf21("5","1","4","6","7","3","1","1") = "6"
    & skf21("5","1","4","6","7","3","2","1") = "6"
    & skf21("5","1","4","6","7","3","3","1") = "6"
    & skf21("5","1","4","6","7","3","4","1") = "6"
    & skf21("5","1","4","6","7","3","5","1") = "6"
    & skf21("5","1","4","6","7","3","6","1") = "6"
    & skf21("5","1","4","6","7","3","7","1") = "6"
    & skf21("5","1","4","6","7","4","1","1") = "6"
    & skf21("5","1","4","6","7","4","2","1") = "6"
    & skf21("5","1","4","6","7","4","3","1") = "6"
    & skf21("5","1","4","6","7","4","4","1") = "6"
    & skf21("5","1","4","6","7","4","5","1") = "6"
    & skf21("5","1","4","6","7","4","6","1") = "6"
    & skf21("5","1","4","6","7","4","7","1") = "6"
    & skf21("5","1","4","6","7","5","1","1") = "6"
    & skf21("5","1","4","6","7","5","2","1") = "6"
    & skf21("5","1","4","6","7","5","3","1") = "6"
    & skf21("5","1","4","6","7","5","4","1") = "6"
    & skf21("5","1","4","6","7","5","5","1") = "6"
    & skf21("5","1","4","6","7","5","6","1") = "6"
    & skf21("5","1","4","6","7","5","7","1") = "6"
    & skf21("5","1","4","6","7","6","1","1") = "6"
    & skf21("5","1","4","6","7","6","2","1") = "6"
    & skf21("5","1","4","6","7","6","3","1") = "6"
    & skf21("5","1","4","6","7","6","4","1") = "6"
    & skf21("5","1","4","6","7","6","5","1") = "6"
    & skf21("5","1","4","6","7","6","6","1") = "6"
    & skf21("5","1","4","6","7","6","7","1") = "6"
    & skf21("5","1","4","6","7","7","1","1") = "6"
    & skf21("5","1","4","6","7","7","2","1") = "6"
    & skf21("5","1","4","6","7","7","3","1") = "6"
    & skf21("5","1","4","6","7","7","4","1") = "6"
    & skf21("5","1","4","6","7","7","5","1") = "6"
    & skf21("5","1","4","6","7","7","6","1") = "6"
    & skf21("5","1","4","6","7","7","7","1") = "6"
    & skf21("5","1","4","7","1","1","1","1") = "6"
    & skf21("5","1","4","7","1","1","2","1") = "6"
    & skf21("5","1","4","7","1","1","3","1") = "6"
    & skf21("5","1","4","7","1","1","4","1") = "6"
    & skf21("5","1","4","7","1","1","5","1") = "6"
    & skf21("5","1","4","7","1","1","6","1") = "6"
    & skf21("5","1","4","7","1","1","7","1") = "6"
    & skf21("5","1","4","7","1","2","1","1") = "6"
    & skf21("5","1","4","7","1","2","2","1") = "6"
    & skf21("5","1","4","7","1","2","3","1") = "6"
    & skf21("5","1","4","7","1","2","4","1") = "6"
    & skf21("5","1","4","7","1","2","5","1") = "6"
    & skf21("5","1","4","7","1","2","6","1") = "6"
    & skf21("5","1","4","7","1","2","7","1") = "6"
    & skf21("5","1","4","7","1","3","1","1") = "6"
    & skf21("5","1","4","7","1","3","2","1") = "6"
    & skf21("5","1","4","7","1","3","3","1") = "6"
    & skf21("5","1","4","7","1","3","4","1") = "6"
    & skf21("5","1","4","7","1","3","5","1") = "6"
    & skf21("5","1","4","7","1","3","6","1") = "6"
    & skf21("5","1","4","7","1","3","7","1") = "6"
    & skf21("5","1","4","7","1","4","1","1") = "6"
    & skf21("5","1","4","7","1","4","2","1") = "6"
    & skf21("5","1","4","7","1","4","3","1") = "6"
    & skf21("5","1","4","7","1","4","4","1") = "6"
    & skf21("5","1","4","7","1","4","5","1") = "6"
    & skf21("5","1","4","7","1","4","6","1") = "6"
    & skf21("5","1","4","7","1","4","7","1") = "6"
    & skf21("5","1","4","7","1","5","1","1") = "6"
    & skf21("5","1","4","7","1","5","2","1") = "6"
    & skf21("5","1","4","7","1","5","3","1") = "6"
    & skf21("5","1","4","7","1","5","4","1") = "6"
    & skf21("5","1","4","7","1","5","5","1") = "6"
    & skf21("5","1","4","7","1","5","6","1") = "6"
    & skf21("5","1","4","7","1","5","7","1") = "6"
    & skf21("5","1","4","7","1","6","1","1") = "6"
    & skf21("5","1","4","7","1","6","2","1") = "6"
    & skf21("5","1","4","7","1","6","3","1") = "6"
    & skf21("5","1","4","7","1","6","4","1") = "6"
    & skf21("5","1","4","7","1","6","5","1") = "6"
    & skf21("5","1","4","7","1","6","6","1") = "6"
    & skf21("5","1","4","7","1","6","7","1") = "6"
    & skf21("5","1","4","7","1","7","1","1") = "6"
    & skf21("5","1","4","7","1","7","2","1") = "6"
    & skf21("5","1","4","7","1","7","3","1") = "6"
    & skf21("5","1","4","7","1","7","4","1") = "6"
    & skf21("5","1","4","7","1","7","5","1") = "6"
    & skf21("5","1","4","7","1","7","6","1") = "6"
    & skf21("5","1","4","7","1","7","7","1") = "6"
    & skf21("5","1","4","7","2","1","1","1") = "6"
    & skf21("5","1","4","7","2","1","2","1") = "6"
    & skf21("5","1","4","7","2","1","3","1") = "6"
    & skf21("5","1","4","7","2","1","4","1") = "6"
    & skf21("5","1","4","7","2","1","5","1") = "6"
    & skf21("5","1","4","7","2","1","6","1") = "6"
    & skf21("5","1","4","7","2","1","7","1") = "6"
    & skf21("5","1","4","7","2","2","1","1") = "6"
    & skf21("5","1","4","7","2","2","2","1") = "6"
    & skf21("5","1","4","7","2","2","3","1") = "6"
    & skf21("5","1","4","7","2","2","4","1") = "6"
    & skf21("5","1","4","7","2","2","5","1") = "6"
    & skf21("5","1","4","7","2","2","6","1") = "6"
    & skf21("5","1","4","7","2","2","7","1") = "6"
    & skf21("5","1","4","7","2","3","1","1") = "6"
    & skf21("5","1","4","7","2","3","2","1") = "6"
    & skf21("5","1","4","7","2","3","3","1") = "6"
    & skf21("5","1","4","7","2","3","4","1") = "6"
    & skf21("5","1","4","7","2","3","5","1") = "6"
    & skf21("5","1","4","7","2","3","6","1") = "6"
    & skf21("5","1","4","7","2","3","7","1") = "6"
    & skf21("5","1","4","7","2","4","1","1") = "6"
    & skf21("5","1","4","7","2","4","2","1") = "6"
    & skf21("5","1","4","7","2","4","3","1") = "6"
    & skf21("5","1","4","7","2","4","4","1") = "6"
    & skf21("5","1","4","7","2","4","5","1") = "6"
    & skf21("5","1","4","7","2","4","6","1") = "6"
    & skf21("5","1","4","7","2","4","7","1") = "6"
    & skf21("5","1","4","7","2","5","1","1") = "6"
    & skf21("5","1","4","7","2","5","2","1") = "6"
    & skf21("5","1","4","7","2","5","3","1") = "6"
    & skf21("5","1","4","7","2","5","4","1") = "6"
    & skf21("5","1","4","7","2","5","5","1") = "6"
    & skf21("5","1","4","7","2","5","6","1") = "6"
    & skf21("5","1","4","7","2","5","7","1") = "6"
    & skf21("5","1","4","7","2","6","1","1") = "6"
    & skf21("5","1","4","7","2","6","2","1") = "6"
    & skf21("5","1","4","7","2","6","3","1") = "6"
    & skf21("5","1","4","7","2","6","4","1") = "6"
    & skf21("5","1","4","7","2","6","5","1") = "6"
    & skf21("5","1","4","7","2","6","6","1") = "6"
    & skf21("5","1","4","7","2","6","7","1") = "6"
    & skf21("5","1","4","7","2","7","1","1") = "6"
    & skf21("5","1","4","7","2","7","2","1") = "6"
    & skf21("5","1","4","7","2","7","3","1") = "6"
    & skf21("5","1","4","7","2","7","4","1") = "6"
    & skf21("5","1","4","7","2","7","5","1") = "6"
    & skf21("5","1","4","7","2","7","6","1") = "6"
    & skf21("5","1","4","7","2","7","7","1") = "6"
    & skf21("5","1","4","7","3","1","1","1") = "6"
    & skf21("5","1","4","7","3","1","2","1") = "6"
    & skf21("5","1","4","7","3","1","3","1") = "6"
    & skf21("5","1","4","7","3","1","4","1") = "6"
    & skf21("5","1","4","7","3","1","5","1") = "6"
    & skf21("5","1","4","7","3","1","6","1") = "6"
    & skf21("5","1","4","7","3","1","7","1") = "6"
    & skf21("5","1","4","7","3","2","1","1") = "6"
    & skf21("5","1","4","7","3","2","2","1") = "6"
    & skf21("5","1","4","7","3","2","3","1") = "6"
    & skf21("5","1","4","7","3","2","4","1") = "6"
    & skf21("5","1","4","7","3","2","5","1") = "6"
    & skf21("5","1","4","7","3","2","6","1") = "6"
    & skf21("5","1","4","7","3","2","7","1") = "6"
    & skf21("5","1","4","7","3","3","1","1") = "6"
    & skf21("5","1","4","7","3","3","2","1") = "6"
    & skf21("5","1","4","7","3","3","3","1") = "6"
    & skf21("5","1","4","7","3","3","4","1") = "6"
    & skf21("5","1","4","7","3","3","5","1") = "6"
    & skf21("5","1","4","7","3","3","6","1") = "6"
    & skf21("5","1","4","7","3","3","7","1") = "6"
    & skf21("5","1","4","7","3","4","1","1") = "6"
    & skf21("5","1","4","7","3","4","2","1") = "6"
    & skf21("5","1","4","7","3","4","3","1") = "6"
    & skf21("5","1","4","7","3","4","4","1") = "6"
    & skf21("5","1","4","7","3","4","5","1") = "6"
    & skf21("5","1","4","7","3","4","6","1") = "6"
    & skf21("5","1","4","7","3","4","7","1") = "6"
    & skf21("5","1","4","7","3","5","1","1") = "6"
    & skf21("5","1","4","7","3","5","2","1") = "6"
    & skf21("5","1","4","7","3","5","3","1") = "6"
    & skf21("5","1","4","7","3","5","4","1") = "6"
    & skf21("5","1","4","7","3","5","5","1") = "6"
    & skf21("5","1","4","7","3","5","6","1") = "6"
    & skf21("5","1","4","7","3","5","7","1") = "6"
    & skf21("5","1","4","7","3","6","1","1") = "6"
    & skf21("5","1","4","7","3","6","2","1") = "6"
    & skf21("5","1","4","7","3","6","3","1") = "6"
    & skf21("5","1","4","7","3","6","4","1") = "6"
    & skf21("5","1","4","7","3","6","5","1") = "6"
    & skf21("5","1","4","7","3","6","6","1") = "6"
    & skf21("5","1","4","7","3","6","7","1") = "6"
    & skf21("5","1","4","7","3","7","1","1") = "6"
    & skf21("5","1","4","7","3","7","2","1") = "6"
    & skf21("5","1","4","7","3","7","3","1") = "6"
    & skf21("5","1","4","7","3","7","4","1") = "6"
    & skf21("5","1","4","7","3","7","5","1") = "6"
    & skf21("5","1","4","7","3","7","6","1") = "6"
    & skf21("5","1","4","7","3","7","7","1") = "6"
    & skf21("5","1","4","7","4","1","1","1") = "6"
    & skf21("5","1","4","7","4","1","2","1") = "6"
    & skf21("5","1","4","7","4","1","3","1") = "6"
    & skf21("5","1","4","7","4","1","4","1") = "6"
    & skf21("5","1","4","7","4","1","5","1") = "6"
    & skf21("5","1","4","7","4","1","6","1") = "6"
    & skf21("5","1","4","7","4","1","7","1") = "6"
    & skf21("5","1","4","7","4","2","1","1") = "6"
    & skf21("5","1","4","7","4","2","2","1") = "6"
    & skf21("5","1","4","7","4","2","3","1") = "6"
    & skf21("5","1","4","7","4","2","4","1") = "6"
    & skf21("5","1","4","7","4","2","5","1") = "6"
    & skf21("5","1","4","7","4","2","6","1") = "6"
    & skf21("5","1","4","7","4","2","7","1") = "6"
    & skf21("5","1","4","7","4","3","1","1") = "6"
    & skf21("5","1","4","7","4","3","2","1") = "6"
    & skf21("5","1","4","7","4","3","3","1") = "6"
    & skf21("5","1","4","7","4","3","4","1") = "6"
    & skf21("5","1","4","7","4","3","5","1") = "6"
    & skf21("5","1","4","7","4","3","6","1") = "6"
    & skf21("5","1","4","7","4","3","7","1") = "6"
    & skf21("5","1","4","7","4","4","1","1") = "6"
    & skf21("5","1","4","7","4","4","2","1") = "6"
    & skf21("5","1","4","7","4","4","3","1") = "6"
    & skf21("5","1","4","7","4","4","4","1") = "6"
    & skf21("5","1","4","7","4","4","5","1") = "6"
    & skf21("5","1","4","7","4","4","6","1") = "6"
    & skf21("5","1","4","7","4","4","7","1") = "6"
    & skf21("5","1","4","7","4","5","1","1") = "6"
    & skf21("5","1","4","7","4","5","2","1") = "6"
    & skf21("5","1","4","7","4","5","3","1") = "6"
    & skf21("5","1","4","7","4","5","4","1") = "6"
    & skf21("5","1","4","7","4","5","5","1") = "6"
    & skf21("5","1","4","7","4","5","6","1") = "6"
    & skf21("5","1","4","7","4","5","7","1") = "6"
    & skf21("5","1","4","7","4","6","1","1") = "6"
    & skf21("5","1","4","7","4","6","2","1") = "6"
    & skf21("5","1","4","7","4","6","3","1") = "6"
    & skf21("5","1","4","7","4","6","4","1") = "6"
    & skf21("5","1","4","7","4","6","5","1") = "6"
    & skf21("5","1","4","7","4","6","6","1") = "6"
    & skf21("5","1","4","7","4","6","7","1") = "6"
    & skf21("5","1","4","7","4","7","1","1") = "6"
    & skf21("5","1","4","7","4","7","2","1") = "6"
    & skf21("5","1","4","7","4","7","3","1") = "6"
    & skf21("5","1","4","7","4","7","4","1") = "6"
    & skf21("5","1","4","7","4","7","5","1") = "6"
    & skf21("5","1","4","7","4","7","6","1") = "6"
    & skf21("5","1","4","7","4","7","7","1") = "6"
    & skf21("5","1","4","7","5","1","1","1") = "6"
    & skf21("5","1","4","7","5","1","2","1") = "6"
    & skf21("5","1","4","7","5","1","3","1") = "6"
    & skf21("5","1","4","7","5","1","4","1") = "6"
    & skf21("5","1","4","7","5","1","5","1") = "6"
    & skf21("5","1","4","7","5","1","6","1") = "6"
    & skf21("5","1","4","7","5","1","7","1") = "6"
    & skf21("5","1","4","7","5","2","1","1") = "6"
    & skf21("5","1","4","7","5","2","2","1") = "6"
    & skf21("5","1","4","7","5","2","3","1") = "6"
    & skf21("5","1","4","7","5","2","4","1") = "6"
    & skf21("5","1","4","7","5","2","5","1") = "6"
    & skf21("5","1","4","7","5","2","6","1") = "6"
    & skf21("5","1","4","7","5","2","7","1") = "6"
    & skf21("5","1","4","7","5","3","1","1") = "6"
    & skf21("5","1","4","7","5","3","2","1") = "6"
    & skf21("5","1","4","7","5","3","3","1") = "6"
    & skf21("5","1","4","7","5","3","4","1") = "6"
    & skf21("5","1","4","7","5","3","5","1") = "6"
    & skf21("5","1","4","7","5","3","6","1") = "6"
    & skf21("5","1","4","7","5","3","7","1") = "6"
    & skf21("5","1","4","7","5","4","1","1") = "6"
    & skf21("5","1","4","7","5","4","2","1") = "6"
    & skf21("5","1","4","7","5","4","3","1") = "6"
    & skf21("5","1","4","7","5","4","4","1") = "6"
    & skf21("5","1","4","7","5","4","5","1") = "6"
    & skf21("5","1","4","7","5","4","6","1") = "6"
    & skf21("5","1","4","7","5","4","7","1") = "6"
    & skf21("5","1","4","7","5","5","1","1") = "6"
    & skf21("5","1","4","7","5","5","2","1") = "6"
    & skf21("5","1","4","7","5","5","3","1") = "6"
    & skf21("5","1","4","7","5","5","4","1") = "6"
    & skf21("5","1","4","7","5","5","5","1") = "6"
    & skf21("5","1","4","7","5","5","6","1") = "6"
    & skf21("5","1","4","7","5","5","7","1") = "6"
    & skf21("5","1","4","7","5","6","1","1") = "6"
    & skf21("5","1","4","7","5","6","2","1") = "6"
    & skf21("5","1","4","7","5","6","3","1") = "6"
    & skf21("5","1","4","7","5","6","4","1") = "6"
    & skf21("5","1","4","7","5","6","5","1") = "6"
    & skf21("5","1","4","7","5","6","6","1") = "6"
    & skf21("5","1","4","7","5","6","7","1") = "6"
    & skf21("5","1","4","7","5","7","1","1") = "6"
    & skf21("5","1","4","7","5","7","2","1") = "6"
    & skf21("5","1","4","7","5","7","3","1") = "6"
    & skf21("5","1","4","7","5","7","4","1") = "6"
    & skf21("5","1","4","7","5","7","5","1") = "6"
    & skf21("5","1","4","7","5","7","6","1") = "6"
    & skf21("5","1","4","7","5","7","7","1") = "6"
    & skf21("5","1","4","7","6","1","1","1") = "6"
    & skf21("5","1","4","7","6","1","2","1") = "6"
    & skf21("5","1","4","7","6","1","3","1") = "6"
    & skf21("5","1","4","7","6","1","4","1") = "6"
    & skf21("5","1","4","7","6","1","5","1") = "6"
    & skf21("5","1","4","7","6","1","6","1") = "6"
    & skf21("5","1","4","7","6","1","7","1") = "6"
    & skf21("5","1","4","7","6","2","1","1") = "6"
    & skf21("5","1","4","7","6","2","2","1") = "6"
    & skf21("5","1","4","7","6","2","3","1") = "6"
    & skf21("5","1","4","7","6","2","4","1") = "6"
    & skf21("5","1","4","7","6","2","5","1") = "6"
    & skf21("5","1","4","7","6","2","6","1") = "6"
    & skf21("5","1","4","7","6","2","7","1") = "6"
    & skf21("5","1","4","7","6","3","1","1") = "6"
    & skf21("5","1","4","7","6","3","2","1") = "6"
    & skf21("5","1","4","7","6","3","3","1") = "6"
    & skf21("5","1","4","7","6","3","4","1") = "6"
    & skf21("5","1","4","7","6","3","5","1") = "6"
    & skf21("5","1","4","7","6","3","6","1") = "6"
    & skf21("5","1","4","7","6","3","7","1") = "6"
    & skf21("5","1","4","7","6","4","1","1") = "6"
    & skf21("5","1","4","7","6","4","2","1") = "6"
    & skf21("5","1","4","7","6","4","3","1") = "6"
    & skf21("5","1","4","7","6","4","4","1") = "6"
    & skf21("5","1","4","7","6","4","5","1") = "6"
    & skf21("5","1","4","7","6","4","6","1") = "6"
    & skf21("5","1","4","7","6","4","7","1") = "6"
    & skf21("5","1","4","7","6","5","1","1") = "6"
    & skf21("5","1","4","7","6","5","2","1") = "6"
    & skf21("5","1","4","7","6","5","3","1") = "6"
    & skf21("5","1","4","7","6","5","4","1") = "6"
    & skf21("5","1","4","7","6","5","5","1") = "6"
    & skf21("5","1","4","7","6","5","6","1") = "6"
    & skf21("5","1","4","7","6","5","7","1") = "6"
    & skf21("5","1","4","7","6","6","1","1") = "6"
    & skf21("5","1","4","7","6","6","2","1") = "6"
    & skf21("5","1","4","7","6","6","3","1") = "6"
    & skf21("5","1","4","7","6","6","4","1") = "6"
    & skf21("5","1","4","7","6","6","5","1") = "6"
    & skf21("5","1","4","7","6","6","6","1") = "6"
    & skf21("5","1","4","7","6","6","7","1") = "6"
    & skf21("5","1","4","7","6","7","1","1") = "6"
    & skf21("5","1","4","7","6","7","2","1") = "6"
    & skf21("5","1","4","7","6","7","3","1") = "6"
    & skf21("5","1","4","7","6","7","4","1") = "6"
    & skf21("5","1","4","7","6","7","5","1") = "6"
    & skf21("5","1","4","7","6","7","6","1") = "6"
    & skf21("5","1","4","7","6","7","7","1") = "6"
    & skf21("5","1","4","7","7","1","1","1") = "6"
    & skf21("5","1","4","7","7","1","2","1") = "6"
    & skf21("5","1","4","7","7","1","3","1") = "6"
    & skf21("5","1","4","7","7","1","4","1") = "6"
    & skf21("5","1","4","7","7","1","5","1") = "6"
    & skf21("5","1","4","7","7","1","6","1") = "6"
    & skf21("5","1","4","7","7","1","7","1") = "6"
    & skf21("5","1","4","7","7","2","1","1") = "6"
    & skf21("5","1","4","7","7","2","2","1") = "6"
    & skf21("5","1","4","7","7","2","3","1") = "6"
    & skf21("5","1","4","7","7","2","4","1") = "6"
    & skf21("5","1","4","7","7","2","5","1") = "6"
    & skf21("5","1","4","7","7","2","6","1") = "6"
    & skf21("5","1","4","7","7","2","7","1") = "6"
    & skf21("5","1","4","7","7","3","1","1") = "6"
    & skf21("5","1","4","7","7","3","2","1") = "6"
    & skf21("5","1","4","7","7","3","3","1") = "6"
    & skf21("5","1","4","7","7","3","4","1") = "6"
    & skf21("5","1","4","7","7","3","5","1") = "6"
    & skf21("5","1","4","7","7","3","6","1") = "6"
    & skf21("5","1","4","7","7","3","7","1") = "6"
    & skf21("5","1","4","7","7","4","1","1") = "6"
    & skf21("5","1","4","7","7","4","2","1") = "6"
    & skf21("5","1","4","7","7","4","3","1") = "6"
    & skf21("5","1","4","7","7","4","4","1") = "6"
    & skf21("5","1","4","7","7","4","5","1") = "6"
    & skf21("5","1","4","7","7","4","6","1") = "6"
    & skf21("5","1","4","7","7","4","7","1") = "6"
    & skf21("5","1","4","7","7","5","1","1") = "6"
    & skf21("5","1","4","7","7","5","2","1") = "6"
    & skf21("5","1","4","7","7","5","3","1") = "6"
    & skf21("5","1","4","7","7","5","4","1") = "6"
    & skf21("5","1","4","7","7","5","5","1") = "6"
    & skf21("5","1","4","7","7","5","6","1") = "6"
    & skf21("5","1","4","7","7","5","7","1") = "6"
    & skf21("5","1","4","7","7","6","1","1") = "6"
    & skf21("5","1","4","7","7","6","2","1") = "6"
    & skf21("5","1","4","7","7","6","3","1") = "6"
    & skf21("5","1","4","7","7","6","4","1") = "6"
    & skf21("5","1","4","7","7","6","5","1") = "6"
    & skf21("5","1","4","7","7","6","6","1") = "6"
    & skf21("5","1","4","7","7","6","7","1") = "6"
    & skf21("5","1","4","7","7","7","1","1") = "6"
    & skf21("5","1","4","7","7","7","2","1") = "6"
    & skf21("5","1","4","7","7","7","3","1") = "6"
    & skf21("5","1","4","7","7","7","4","1") = "6"
    & skf21("5","1","4","7","7","7","5","1") = "6"
    & skf21("5","1","4","7","7","7","6","1") = "6"
    & skf21("5","1","4","7","7","7","7","1") = "6"
    & skf21("5","1","5","1","1","1","1","1") = "4"
    & skf21("5","1","5","1","1","1","2","1") = "4"
    & skf21("5","1","5","1","1","1","3","1") = "4"
    & skf21("5","1","5","1","1","1","4","1") = "4"
    & skf21("5","1","5","1","1","1","5","1") = "4"
    & skf21("5","1","5","1","1","1","6","1") = "5"
    & skf21("5","1","5","1","1","1","7","1") = "6"
    & skf21("5","1","5","1","1","2","1","1") = "4"
    & skf21("5","1","5","1","1","2","2","1") = "4"
    & skf21("5","1","5","1","1","2","3","1") = "4"
    & skf21("5","1","5","1","1","2","4","1") = "4"
    & skf21("5","1","5","1","1","2","5","1") = "4"
    & skf21("5","1","5","1","1","2","6","1") = "5"
    & skf21("5","1","5","1","1","2","7","1") = "6"
    & skf21("5","1","5","1","1","3","1","1") = "4"
    & skf21("5","1","5","1","1","3","2","1") = "4"
    & skf21("5","1","5","1","1","3","3","1") = "4"
    & skf21("5","1","5","1","1","3","4","1") = "4"
    & skf21("5","1","5","1","1","3","5","1") = "4"
    & skf21("5","1","5","1","1","3","6","1") = "5"
    & skf21("5","1","5","1","1","3","7","1") = "6"
    & skf21("5","1","5","1","1","4","1","1") = "4"
    & skf21("5","1","5","1","1","4","2","1") = "4"
    & skf21("5","1","5","1","1","4","3","1") = "4"
    & skf21("5","1","5","1","1","4","4","1") = "4"
    & skf21("5","1","5","1","1","4","5","1") = "4"
    & skf21("5","1","5","1","1","4","6","1") = "5"
    & skf21("5","1","5","1","1","4","7","1") = "6"
    & skf21("5","1","5","1","1","5","1","1") = "4"
    & skf21("5","1","5","1","1","5","2","1") = "4"
    & skf21("5","1","5","1","1","5","3","1") = "4"
    & skf21("5","1","5","1","1","5","4","1") = "4"
    & skf21("5","1","5","1","1","5","5","1") = "4"
    & skf21("5","1","5","1","1","5","6","1") = "5"
    & skf21("5","1","5","1","1","5","7","1") = "6"
    & skf21("5","1","5","1","1","6","1","1") = "5"
    & skf21("5","1","5","1","1","6","2","1") = "5"
    & skf21("5","1","5","1","1","6","3","1") = "5"
    & skf21("5","1","5","1","1","6","4","1") = "5"
    & skf21("5","1","5","1","1","6","5","1") = "5"
    & skf21("5","1","5","1","1","6","6","1") = "5"
    & skf21("5","1","5","1","1","6","7","1") = "6"
    & skf21("5","1","5","1","1","7","1","1") = "6"
    & skf21("5","1","5","1","1","7","2","1") = "6"
    & skf21("5","1","5","1","1","7","3","1") = "6"
    & skf21("5","1","5","1","1","7","4","1") = "6"
    & skf21("5","1","5","1","1","7","5","1") = "6"
    & skf21("5","1","5","1","1","7","6","1") = "6"
    & skf21("5","1","5","1","1","7","7","1") = "6"
    & skf21("5","1","5","1","2","1","1","1") = "4"
    & skf21("5","1","5","1","2","1","2","1") = "4"
    & skf21("5","1","5","1","2","1","3","1") = "4"
    & skf21("5","1","5","1","2","1","4","1") = "4"
    & skf21("5","1","5","1","2","1","5","1") = "4"
    & skf21("5","1","5","1","2","1","6","1") = "5"
    & skf21("5","1","5","1","2","1","7","1") = "6"
    & skf21("5","1","5","1","2","2","1","1") = "4"
    & skf21("5","1","5","1","2","2","2","1") = "4"
    & skf21("5","1","5","1","2","2","3","1") = "4"
    & skf21("5","1","5","1","2","2","4","1") = "4"
    & skf21("5","1","5","1","2","2","5","1") = "4"
    & skf21("5","1","5","1","2","2","6","1") = "5"
    & skf21("5","1","5","1","2","2","7","1") = "6"
    & skf21("5","1","5","1","2","3","1","1") = "4"
    & skf21("5","1","5","1","2","3","2","1") = "4"
    & skf21("5","1","5","1","2","3","3","1") = "4"
    & skf21("5","1","5","1","2","3","4","1") = "4"
    & skf21("5","1","5","1","2","3","5","1") = "4"
    & skf21("5","1","5","1","2","3","6","1") = "5"
    & skf21("5","1","5","1","2","3","7","1") = "6"
    & skf21("5","1","5","1","2","4","1","1") = "4"
    & skf21("5","1","5","1","2","4","2","1") = "4"
    & skf21("5","1","5","1","2","4","3","1") = "4"
    & skf21("5","1","5","1","2","4","4","1") = "4"
    & skf21("5","1","5","1","2","4","5","1") = "4"
    & skf21("5","1","5","1","2","4","6","1") = "5"
    & skf21("5","1","5","1","2","4","7","1") = "6"
    & skf21("5","1","5","1","2","5","1","1") = "4"
    & skf21("5","1","5","1","2","5","2","1") = "4"
    & skf21("5","1","5","1","2","5","3","1") = "4"
    & skf21("5","1","5","1","2","5","4","1") = "4"
    & skf21("5","1","5","1","2","5","5","1") = "4"
    & skf21("5","1","5","1","2","5","6","1") = "5"
    & skf21("5","1","5","1","2","5","7","1") = "6"
    & skf21("5","1","5","1","2","6","1","1") = "5"
    & skf21("5","1","5","1","2","6","2","1") = "5"
    & skf21("5","1","5","1","2","6","3","1") = "5"
    & skf21("5","1","5","1","2","6","4","1") = "5"
    & skf21("5","1","5","1","2","6","5","1") = "5"
    & skf21("5","1","5","1","2","6","6","1") = "5"
    & skf21("5","1","5","1","2","6","7","1") = "6"
    & skf21("5","1","5","1","2","7","1","1") = "6"
    & skf21("5","1","5","1","2","7","2","1") = "6"
    & skf21("5","1","5","1","2","7","3","1") = "6"
    & skf21("5","1","5","1","2","7","4","1") = "6"
    & skf21("5","1","5","1","2","7","5","1") = "6"
    & skf21("5","1","5","1","2","7","6","1") = "6"
    & skf21("5","1","5","1","2","7","7","1") = "6"
    & skf21("5","1","5","1","3","1","1","1") = "4"
    & skf21("5","1","5","1","3","1","2","1") = "4"
    & skf21("5","1","5","1","3","1","3","1") = "4"
    & skf21("5","1","5","1","3","1","4","1") = "4"
    & skf21("5","1","5","1","3","1","5","1") = "4"
    & skf21("5","1","5","1","3","1","6","1") = "5"
    & skf21("5","1","5","1","3","1","7","1") = "6"
    & skf21("5","1","5","1","3","2","1","1") = "4"
    & skf21("5","1","5","1","3","2","2","1") = "4"
    & skf21("5","1","5","1","3","2","3","1") = "4"
    & skf21("5","1","5","1","3","2","4","1") = "4"
    & skf21("5","1","5","1","3","2","5","1") = "4"
    & skf21("5","1","5","1","3","2","6","1") = "5"
    & skf21("5","1","5","1","3","2","7","1") = "6"
    & skf21("5","1","5","1","3","3","1","1") = "4"
    & skf21("5","1","5","1","3","3","2","1") = "4"
    & skf21("5","1","5","1","3","3","3","1") = "4"
    & skf21("5","1","5","1","3","3","4","1") = "4"
    & skf21("5","1","5","1","3","3","5","1") = "4"
    & skf21("5","1","5","1","3","3","6","1") = "5"
    & skf21("5","1","5","1","3","3","7","1") = "6"
    & skf21("5","1","5","1","3","4","1","1") = "4"
    & skf21("5","1","5","1","3","4","2","1") = "4"
    & skf21("5","1","5","1","3","4","3","1") = "4"
    & skf21("5","1","5","1","3","4","4","1") = "4"
    & skf21("5","1","5","1","3","4","5","1") = "4"
    & skf21("5","1","5","1","3","4","6","1") = "5"
    & skf21("5","1","5","1","3","4","7","1") = "6"
    & skf21("5","1","5","1","3","5","1","1") = "4"
    & skf21("5","1","5","1","3","5","2","1") = "4"
    & skf21("5","1","5","1","3","5","3","1") = "4"
    & skf21("5","1","5","1","3","5","4","1") = "4"
    & skf21("5","1","5","1","3","5","5","1") = "4"
    & skf21("5","1","5","1","3","5","6","1") = "5"
    & skf21("5","1","5","1","3","5","7","1") = "6"
    & skf21("5","1","5","1","3","6","1","1") = "5"
    & skf21("5","1","5","1","3","6","2","1") = "5"
    & skf21("5","1","5","1","3","6","3","1") = "5"
    & skf21("5","1","5","1","3","6","4","1") = "5"
    & skf21("5","1","5","1","3","6","5","1") = "5"
    & skf21("5","1","5","1","3","6","6","1") = "5"
    & skf21("5","1","5","1","3","6","7","1") = "6"
    & skf21("5","1","5","1","3","7","1","1") = "6"
    & skf21("5","1","5","1","3","7","2","1") = "6"
    & skf21("5","1","5","1","3","7","3","1") = "6"
    & skf21("5","1","5","1","3","7","4","1") = "6"
    & skf21("5","1","5","1","3","7","5","1") = "6"
    & skf21("5","1","5","1","3","7","6","1") = "6"
    & skf21("5","1","5","1","3","7","7","1") = "6"
    & skf21("5","1","5","1","4","1","1","1") = "4"
    & skf21("5","1","5","1","4","1","2","1") = "4"
    & skf21("5","1","5","1","4","1","3","1") = "4"
    & skf21("5","1","5","1","4","1","4","1") = "4"
    & skf21("5","1","5","1","4","1","5","1") = "4"
    & skf21("5","1","5","1","4","1","6","1") = "5"
    & skf21("5","1","5","1","4","1","7","1") = "6"
    & skf21("5","1","5","1","4","2","1","1") = "4"
    & skf21("5","1","5","1","4","2","2","1") = "4"
    & skf21("5","1","5","1","4","2","3","1") = "4"
    & skf21("5","1","5","1","4","2","4","1") = "4"
    & skf21("5","1","5","1","4","2","5","1") = "4"
    & skf21("5","1","5","1","4","2","6","1") = "5"
    & skf21("5","1","5","1","4","2","7","1") = "6"
    & skf21("5","1","5","1","4","3","1","1") = "4"
    & skf21("5","1","5","1","4","3","2","1") = "4"
    & skf21("5","1","5","1","4","3","3","1") = "4"
    & skf21("5","1","5","1","4","3","4","1") = "4"
    & skf21("5","1","5","1","4","3","5","1") = "4"
    & skf21("5","1","5","1","4","3","6","1") = "5"
    & skf21("5","1","5","1","4","3","7","1") = "6"
    & skf21("5","1","5","1","4","4","1","1") = "4"
    & skf21("5","1","5","1","4","4","2","1") = "4"
    & skf21("5","1","5","1","4","4","3","1") = "4"
    & skf21("5","1","5","1","4","4","4","1") = "4"
    & skf21("5","1","5","1","4","4","5","1") = "4"
    & skf21("5","1","5","1","4","4","6","1") = "5"
    & skf21("5","1","5","1","4","4","7","1") = "6"
    & skf21("5","1","5","1","4","5","1","1") = "4"
    & skf21("5","1","5","1","4","5","2","1") = "4"
    & skf21("5","1","5","1","4","5","3","1") = "4"
    & skf21("5","1","5","1","4","5","4","1") = "4"
    & skf21("5","1","5","1","4","5","5","1") = "4"
    & skf21("5","1","5","1","4","5","6","1") = "5"
    & skf21("5","1","5","1","4","5","7","1") = "6"
    & skf21("5","1","5","1","4","6","1","1") = "5"
    & skf21("5","1","5","1","4","6","2","1") = "5"
    & skf21("5","1","5","1","4","6","3","1") = "5"
    & skf21("5","1","5","1","4","6","4","1") = "5"
    & skf21("5","1","5","1","4","6","5","1") = "5"
    & skf21("5","1","5","1","4","6","6","1") = "5"
    & skf21("5","1","5","1","4","6","7","1") = "6"
    & skf21("5","1","5","1","4","7","1","1") = "6"
    & skf21("5","1","5","1","4","7","2","1") = "6"
    & skf21("5","1","5","1","4","7","3","1") = "6"
    & skf21("5","1","5","1","4","7","4","1") = "6"
    & skf21("5","1","5","1","4","7","5","1") = "6"
    & skf21("5","1","5","1","4","7","6","1") = "6"
    & skf21("5","1","5","1","4","7","7","1") = "6"
    & skf21("5","1","5","1","5","1","1","1") = "4"
    & skf21("5","1","5","1","5","1","2","1") = "4"
    & skf21("5","1","5","1","5","1","3","1") = "4"
    & skf21("5","1","5","1","5","1","4","1") = "4"
    & skf21("5","1","5","1","5","1","5","1") = "4"
    & skf21("5","1","5","1","5","1","6","1") = "5"
    & skf21("5","1","5","1","5","1","7","1") = "6"
    & skf21("5","1","5","1","5","2","1","1") = "4"
    & skf21("5","1","5","1","5","2","2","1") = "4"
    & skf21("5","1","5","1","5","2","3","1") = "4"
    & skf21("5","1","5","1","5","2","4","1") = "4"
    & skf21("5","1","5","1","5","2","5","1") = "4"
    & skf21("5","1","5","1","5","2","6","1") = "5"
    & skf21("5","1","5","1","5","2","7","1") = "6"
    & skf21("5","1","5","1","5","3","1","1") = "4"
    & skf21("5","1","5","1","5","3","2","1") = "4"
    & skf21("5","1","5","1","5","3","3","1") = "4"
    & skf21("5","1","5","1","5","3","4","1") = "4"
    & skf21("5","1","5","1","5","3","5","1") = "4"
    & skf21("5","1","5","1","5","3","6","1") = "5"
    & skf21("5","1","5","1","5","3","7","1") = "6"
    & skf21("5","1","5","1","5","4","1","1") = "4"
    & skf21("5","1","5","1","5","4","2","1") = "4"
    & skf21("5","1","5","1","5","4","3","1") = "4"
    & skf21("5","1","5","1","5","4","4","1") = "4"
    & skf21("5","1","5","1","5","4","5","1") = "4"
    & skf21("5","1","5","1","5","4","6","1") = "5"
    & skf21("5","1","5","1","5","4","7","1") = "6"
    & skf21("5","1","5","1","5","5","1","1") = "4"
    & skf21("5","1","5","1","5","5","2","1") = "4"
    & skf21("5","1","5","1","5","5","3","1") = "4"
    & skf21("5","1","5","1","5","5","4","1") = "4"
    & skf21("5","1","5","1","5","5","5","1") = "4"
    & skf21("5","1","5","1","5","5","6","1") = "5"
    & skf21("5","1","5","1","5","5","7","1") = "6"
    & skf21("5","1","5","1","5","6","1","1") = "5"
    & skf21("5","1","5","1","5","6","2","1") = "5"
    & skf21("5","1","5","1","5","6","3","1") = "5"
    & skf21("5","1","5","1","5","6","4","1") = "5"
    & skf21("5","1","5","1","5","6","5","1") = "5"
    & skf21("5","1","5","1","5","6","6","1") = "5"
    & skf21("5","1","5","1","5","6","7","1") = "6"
    & skf21("5","1","5","1","5","7","1","1") = "6"
    & skf21("5","1","5","1","5","7","2","1") = "6"
    & skf21("5","1","5","1","5","7","3","1") = "6"
    & skf21("5","1","5","1","5","7","4","1") = "6"
    & skf21("5","1","5","1","5","7","5","1") = "6"
    & skf21("5","1","5","1","5","7","6","1") = "6"
    & skf21("5","1","5","1","5","7","7","1") = "6"
    & skf21("5","1","5","1","6","1","1","1") = "5"
    & skf21("5","1","5","1","6","1","2","1") = "5"
    & skf21("5","1","5","1","6","1","3","1") = "5"
    & skf21("5","1","5","1","6","1","4","1") = "5"
    & skf21("5","1","5","1","6","1","5","1") = "5"
    & skf21("5","1","5","1","6","1","6","1") = "5"
    & skf21("5","1","5","1","6","1","7","1") = "6"
    & skf21("5","1","5","1","6","2","1","1") = "5"
    & skf21("5","1","5","1","6","2","2","1") = "5"
    & skf21("5","1","5","1","6","2","3","1") = "5"
    & skf21("5","1","5","1","6","2","4","1") = "5"
    & skf21("5","1","5","1","6","2","5","1") = "5"
    & skf21("5","1","5","1","6","2","6","1") = "5"
    & skf21("5","1","5","1","6","2","7","1") = "6"
    & skf21("5","1","5","1","6","3","1","1") = "5"
    & skf21("5","1","5","1","6","3","2","1") = "5"
    & skf21("5","1","5","1","6","3","3","1") = "5"
    & skf21("5","1","5","1","6","3","4","1") = "5"
    & skf21("5","1","5","1","6","3","5","1") = "5"
    & skf21("5","1","5","1","6","3","6","1") = "5"
    & skf21("5","1","5","1","6","3","7","1") = "6"
    & skf21("5","1","5","1","6","4","1","1") = "5"
    & skf21("5","1","5","1","6","4","2","1") = "5"
    & skf21("5","1","5","1","6","4","3","1") = "5"
    & skf21("5","1","5","1","6","4","4","1") = "5"
    & skf21("5","1","5","1","6","4","5","1") = "5"
    & skf21("5","1","5","1","6","4","6","1") = "5"
    & skf21("5","1","5","1","6","4","7","1") = "6"
    & skf21("5","1","5","1","6","5","1","1") = "5"
    & skf21("5","1","5","1","6","5","2","1") = "5"
    & skf21("5","1","5","1","6","5","3","1") = "5"
    & skf21("5","1","5","1","6","5","4","1") = "5"
    & skf21("5","1","5","1","6","5","5","1") = "5"
    & skf21("5","1","5","1","6","5","6","1") = "5"
    & skf21("5","1","5","1","6","5","7","1") = "6"
    & skf21("5","1","5","1","6","6","1","1") = "5"
    & skf21("5","1","5","1","6","6","2","1") = "5"
    & skf21("5","1","5","1","6","6","3","1") = "5"
    & skf21("5","1","5","1","6","6","4","1") = "5"
    & skf21("5","1","5","1","6","6","5","1") = "5"
    & skf21("5","1","5","1","6","6","6","1") = "5"
    & skf21("5","1","5","1","6","6","7","1") = "6"
    & skf21("5","1","5","1","6","7","1","1") = "6"
    & skf21("5","1","5","1","6","7","2","1") = "6"
    & skf21("5","1","5","1","6","7","3","1") = "6"
    & skf21("5","1","5","1","6","7","4","1") = "6"
    & skf21("5","1","5","1","6","7","5","1") = "6"
    & skf21("5","1","5","1","6","7","6","1") = "6"
    & skf21("5","1","5","1","6","7","7","1") = "6"
    & skf21("5","1","5","1","7","1","1","1") = "6"
    & skf21("5","1","5","1","7","1","2","1") = "6"
    & skf21("5","1","5","1","7","1","3","1") = "6"
    & skf21("5","1","5","1","7","1","4","1") = "6"
    & skf21("5","1","5","1","7","1","5","1") = "6"
    & skf21("5","1","5","1","7","1","6","1") = "6"
    & skf21("5","1","5","1","7","1","7","1") = "6"
    & skf21("5","1","5","1","7","2","1","1") = "6"
    & skf21("5","1","5","1","7","2","2","1") = "6"
    & skf21("5","1","5","1","7","2","3","1") = "6"
    & skf21("5","1","5","1","7","2","4","1") = "6"
    & skf21("5","1","5","1","7","2","5","1") = "6"
    & skf21("5","1","5","1","7","2","6","1") = "6"
    & skf21("5","1","5","1","7","2","7","1") = "6"
    & skf21("5","1","5","1","7","3","1","1") = "6"
    & skf21("5","1","5","1","7","3","2","1") = "6"
    & skf21("5","1","5","1","7","3","3","1") = "6"
    & skf21("5","1","5","1","7","3","4","1") = "6"
    & skf21("5","1","5","1","7","3","5","1") = "6"
    & skf21("5","1","5","1","7","3","6","1") = "6"
    & skf21("5","1","5","1","7","3","7","1") = "6"
    & skf21("5","1","5","1","7","4","1","1") = "6"
    & skf21("5","1","5","1","7","4","2","1") = "6"
    & skf21("5","1","5","1","7","4","3","1") = "6"
    & skf21("5","1","5","1","7","4","4","1") = "6"
    & skf21("5","1","5","1","7","4","5","1") = "6"
    & skf21("5","1","5","1","7","4","6","1") = "6"
    & skf21("5","1","5","1","7","4","7","1") = "6"
    & skf21("5","1","5","1","7","5","1","1") = "6"
    & skf21("5","1","5","1","7","5","2","1") = "6"
    & skf21("5","1","5","1","7","5","3","1") = "6"
    & skf21("5","1","5","1","7","5","4","1") = "6"
    & skf21("5","1","5","1","7","5","5","1") = "6"
    & skf21("5","1","5","1","7","5","6","1") = "6"
    & skf21("5","1","5","1","7","5","7","1") = "6"
    & skf21("5","1","5","1","7","6","1","1") = "6"
    & skf21("5","1","5","1","7","6","2","1") = "6"
    & skf21("5","1","5","1","7","6","3","1") = "6"
    & skf21("5","1","5","1","7","6","4","1") = "6"
    & skf21("5","1","5","1","7","6","5","1") = "6"
    & skf21("5","1","5","1","7","6","6","1") = "6"
    & skf21("5","1","5","1","7","6","7","1") = "6"
    & skf21("5","1","5","1","7","7","1","1") = "6"
    & skf21("5","1","5","1","7","7","2","1") = "6"
    & skf21("5","1","5","1","7","7","3","1") = "6"
    & skf21("5","1","5","1","7","7","4","1") = "6"
    & skf21("5","1","5","1","7","7","5","1") = "6"
    & skf21("5","1","5","1","7","7","6","1") = "6"
    & skf21("5","1","5","1","7","7","7","1") = "6"
    & skf21("5","1","5","2","1","1","1","1") = "4"
    & skf21("5","1","5","2","1","1","2","1") = "4"
    & skf21("5","1","5","2","1","1","3","1") = "4"
    & skf21("5","1","5","2","1","1","4","1") = "4"
    & skf21("5","1","5","2","1","1","5","1") = "4"
    & skf21("5","1","5","2","1","1","6","1") = "5"
    & skf21("5","1","5","2","1","1","7","1") = "6"
    & skf21("5","1","5","2","1","2","1","1") = "4"
    & skf21("5","1","5","2","1","2","2","1") = "4"
    & skf21("5","1","5","2","1","2","3","1") = "4"
    & skf21("5","1","5","2","1","2","4","1") = "4"
    & skf21("5","1","5","2","1","2","5","1") = "4"
    & skf21("5","1","5","2","1","2","6","1") = "5"
    & skf21("5","1","5","2","1","2","7","1") = "6"
    & skf21("5","1","5","2","1","3","1","1") = "4"
    & skf21("5","1","5","2","1","3","2","1") = "4"
    & skf21("5","1","5","2","1","3","3","1") = "4"
    & skf21("5","1","5","2","1","3","4","1") = "4"
    & skf21("5","1","5","2","1","3","5","1") = "4"
    & skf21("5","1","5","2","1","3","6","1") = "5"
    & skf21("5","1","5","2","1","3","7","1") = "6"
    & skf21("5","1","5","2","1","4","1","1") = "4"
    & skf21("5","1","5","2","1","4","2","1") = "4"
    & skf21("5","1","5","2","1","4","3","1") = "4"
    & skf21("5","1","5","2","1","4","4","1") = "4"
    & skf21("5","1","5","2","1","4","5","1") = "4"
    & skf21("5","1","5","2","1","4","6","1") = "5"
    & skf21("5","1","5","2","1","4","7","1") = "6"
    & skf21("5","1","5","2","1","5","1","1") = "4"
    & skf21("5","1","5","2","1","5","2","1") = "4"
    & skf21("5","1","5","2","1","5","3","1") = "4"
    & skf21("5","1","5","2","1","5","4","1") = "4"
    & skf21("5","1","5","2","1","5","5","1") = "4"
    & skf21("5","1","5","2","1","5","6","1") = "5"
    & skf21("5","1","5","2","1","5","7","1") = "6"
    & skf21("5","1","5","2","1","6","1","1") = "5"
    & skf21("5","1","5","2","1","6","2","1") = "5"
    & skf21("5","1","5","2","1","6","3","1") = "5"
    & skf21("5","1","5","2","1","6","4","1") = "5"
    & skf21("5","1","5","2","1","6","5","1") = "5"
    & skf21("5","1","5","2","1","6","6","1") = "5"
    & skf21("5","1","5","2","1","6","7","1") = "6"
    & skf21("5","1","5","2","1","7","1","1") = "6"
    & skf21("5","1","5","2","1","7","2","1") = "6"
    & skf21("5","1","5","2","1","7","3","1") = "6"
    & skf21("5","1","5","2","1","7","4","1") = "6"
    & skf21("5","1","5","2","1","7","5","1") = "6"
    & skf21("5","1","5","2","1","7","6","1") = "6"
    & skf21("5","1","5","2","1","7","7","1") = "6"
    & skf21("5","1","5","2","2","1","1","1") = "4"
    & skf21("5","1","5","2","2","1","2","1") = "4"
    & skf21("5","1","5","2","2","1","3","1") = "4"
    & skf21("5","1","5","2","2","1","4","1") = "4"
    & skf21("5","1","5","2","2","1","5","1") = "4"
    & skf21("5","1","5","2","2","1","6","1") = "5"
    & skf21("5","1","5","2","2","1","7","1") = "6"
    & skf21("5","1","5","2","2","2","1","1") = "4"
    & skf21("5","1","5","2","2","2","2","1") = "4"
    & skf21("5","1","5","2","2","2","3","1") = "4"
    & skf21("5","1","5","2","2","2","4","1") = "4"
    & skf21("5","1","5","2","2","2","5","1") = "4"
    & skf21("5","1","5","2","2","2","6","1") = "5"
    & skf21("5","1","5","2","2","2","7","1") = "6"
    & skf21("5","1","5","2","2","3","1","1") = "4"
    & skf21("5","1","5","2","2","3","2","1") = "4"
    & skf21("5","1","5","2","2","3","3","1") = "4"
    & skf21("5","1","5","2","2","3","4","1") = "4"
    & skf21("5","1","5","2","2","3","5","1") = "4"
    & skf21("5","1","5","2","2","3","6","1") = "5"
    & skf21("5","1","5","2","2","3","7","1") = "6"
    & skf21("5","1","5","2","2","4","1","1") = "4"
    & skf21("5","1","5","2","2","4","2","1") = "4"
    & skf21("5","1","5","2","2","4","3","1") = "4"
    & skf21("5","1","5","2","2","4","4","1") = "4"
    & skf21("5","1","5","2","2","4","5","1") = "4"
    & skf21("5","1","5","2","2","4","6","1") = "5"
    & skf21("5","1","5","2","2","4","7","1") = "6"
    & skf21("5","1","5","2","2","5","1","1") = "4"
    & skf21("5","1","5","2","2","5","2","1") = "4"
    & skf21("5","1","5","2","2","5","3","1") = "4"
    & skf21("5","1","5","2","2","5","4","1") = "4"
    & skf21("5","1","5","2","2","5","5","1") = "4"
    & skf21("5","1","5","2","2","5","6","1") = "5"
    & skf21("5","1","5","2","2","5","7","1") = "6"
    & skf21("5","1","5","2","2","6","1","1") = "5"
    & skf21("5","1","5","2","2","6","2","1") = "5"
    & skf21("5","1","5","2","2","6","3","1") = "5"
    & skf21("5","1","5","2","2","6","4","1") = "5"
    & skf21("5","1","5","2","2","6","5","1") = "5"
    & skf21("5","1","5","2","2","6","6","1") = "5"
    & skf21("5","1","5","2","2","6","7","1") = "6"
    & skf21("5","1","5","2","2","7","1","1") = "6"
    & skf21("5","1","5","2","2","7","2","1") = "6"
    & skf21("5","1","5","2","2","7","3","1") = "6"
    & skf21("5","1","5","2","2","7","4","1") = "6"
    & skf21("5","1","5","2","2","7","5","1") = "6"
    & skf21("5","1","5","2","2","7","6","1") = "6"
    & skf21("5","1","5","2","2","7","7","1") = "6"
    & skf21("5","1","5","2","3","1","1","1") = "4"
    & skf21("5","1","5","2","3","1","2","1") = "4"
    & skf21("5","1","5","2","3","1","3","1") = "4"
    & skf21("5","1","5","2","3","1","4","1") = "4"
    & skf21("5","1","5","2","3","1","5","1") = "4"
    & skf21("5","1","5","2","3","1","6","1") = "5"
    & skf21("5","1","5","2","3","1","7","1") = "6"
    & skf21("5","1","5","2","3","2","1","1") = "4"
    & skf21("5","1","5","2","3","2","2","1") = "4"
    & skf21("5","1","5","2","3","2","3","1") = "4"
    & skf21("5","1","5","2","3","2","4","1") = "4"
    & skf21("5","1","5","2","3","2","5","1") = "4"
    & skf21("5","1","5","2","3","2","6","1") = "5"
    & skf21("5","1","5","2","3","2","7","1") = "6"
    & skf21("5","1","5","2","3","3","1","1") = "4"
    & skf21("5","1","5","2","3","3","2","1") = "4"
    & skf21("5","1","5","2","3","3","3","1") = "4"
    & skf21("5","1","5","2","3","3","4","1") = "4"
    & skf21("5","1","5","2","3","3","5","1") = "4"
    & skf21("5","1","5","2","3","3","6","1") = "5"
    & skf21("5","1","5","2","3","3","7","1") = "6"
    & skf21("5","1","5","2","3","4","1","1") = "4"
    & skf21("5","1","5","2","3","4","2","1") = "4"
    & skf21("5","1","5","2","3","4","3","1") = "4"
    & skf21("5","1","5","2","3","4","4","1") = "4"
    & skf21("5","1","5","2","3","4","5","1") = "4"
    & skf21("5","1","5","2","3","4","6","1") = "5"
    & skf21("5","1","5","2","3","4","7","1") = "6"
    & skf21("5","1","5","2","3","5","1","1") = "4"
    & skf21("5","1","5","2","3","5","2","1") = "4"
    & skf21("5","1","5","2","3","5","3","1") = "4"
    & skf21("5","1","5","2","3","5","4","1") = "4"
    & skf21("5","1","5","2","3","5","5","1") = "4"
    & skf21("5","1","5","2","3","5","6","1") = "5"
    & skf21("5","1","5","2","3","5","7","1") = "6"
    & skf21("5","1","5","2","3","6","1","1") = "5"
    & skf21("5","1","5","2","3","6","2","1") = "5"
    & skf21("5","1","5","2","3","6","3","1") = "5"
    & skf21("5","1","5","2","3","6","4","1") = "5"
    & skf21("5","1","5","2","3","6","5","1") = "5"
    & skf21("5","1","5","2","3","6","6","1") = "5"
    & skf21("5","1","5","2","3","6","7","1") = "6"
    & skf21("5","1","5","2","3","7","1","1") = "6"
    & skf21("5","1","5","2","3","7","2","1") = "6"
    & skf21("5","1","5","2","3","7","3","1") = "6"
    & skf21("5","1","5","2","3","7","4","1") = "6"
    & skf21("5","1","5","2","3","7","5","1") = "6"
    & skf21("5","1","5","2","3","7","6","1") = "6"
    & skf21("5","1","5","2","3","7","7","1") = "6"
    & skf21("5","1","5","2","4","1","1","1") = "4"
    & skf21("5","1","5","2","4","1","2","1") = "4"
    & skf21("5","1","5","2","4","1","3","1") = "4"
    & skf21("5","1","5","2","4","1","4","1") = "4"
    & skf21("5","1","5","2","4","1","5","1") = "4"
    & skf21("5","1","5","2","4","1","6","1") = "5"
    & skf21("5","1","5","2","4","1","7","1") = "6"
    & skf21("5","1","5","2","4","2","1","1") = "4"
    & skf21("5","1","5","2","4","2","2","1") = "4"
    & skf21("5","1","5","2","4","2","3","1") = "4"
    & skf21("5","1","5","2","4","2","4","1") = "4"
    & skf21("5","1","5","2","4","2","5","1") = "4"
    & skf21("5","1","5","2","4","2","6","1") = "5"
    & skf21("5","1","5","2","4","2","7","1") = "6"
    & skf21("5","1","5","2","4","3","1","1") = "4"
    & skf21("5","1","5","2","4","3","2","1") = "4"
    & skf21("5","1","5","2","4","3","3","1") = "4"
    & skf21("5","1","5","2","4","3","4","1") = "4"
    & skf21("5","1","5","2","4","3","5","1") = "4"
    & skf21("5","1","5","2","4","3","6","1") = "5"
    & skf21("5","1","5","2","4","3","7","1") = "6"
    & skf21("5","1","5","2","4","4","1","1") = "4"
    & skf21("5","1","5","2","4","4","2","1") = "4"
    & skf21("5","1","5","2","4","4","3","1") = "4"
    & skf21("5","1","5","2","4","4","4","1") = "4"
    & skf21("5","1","5","2","4","4","5","1") = "4"
    & skf21("5","1","5","2","4","4","6","1") = "5"
    & skf21("5","1","5","2","4","4","7","1") = "6"
    & skf21("5","1","5","2","4","5","1","1") = "4"
    & skf21("5","1","5","2","4","5","2","1") = "4"
    & skf21("5","1","5","2","4","5","3","1") = "4"
    & skf21("5","1","5","2","4","5","4","1") = "4"
    & skf21("5","1","5","2","4","5","5","1") = "4"
    & skf21("5","1","5","2","4","5","6","1") = "5"
    & skf21("5","1","5","2","4","5","7","1") = "6"
    & skf21("5","1","5","2","4","6","1","1") = "5"
    & skf21("5","1","5","2","4","6","2","1") = "5"
    & skf21("5","1","5","2","4","6","3","1") = "5"
    & skf21("5","1","5","2","4","6","4","1") = "5"
    & skf21("5","1","5","2","4","6","5","1") = "5"
    & skf21("5","1","5","2","4","6","6","1") = "5"
    & skf21("5","1","5","2","4","6","7","1") = "6"
    & skf21("5","1","5","2","4","7","1","1") = "6"
    & skf21("5","1","5","2","4","7","2","1") = "6"
    & skf21("5","1","5","2","4","7","3","1") = "6"
    & skf21("5","1","5","2","4","7","4","1") = "6"
    & skf21("5","1","5","2","4","7","5","1") = "6"
    & skf21("5","1","5","2","4","7","6","1") = "6"
    & skf21("5","1","5","2","4","7","7","1") = "6"
    & skf21("5","1","5","2","5","1","1","1") = "4"
    & skf21("5","1","5","2","5","1","2","1") = "4"
    & skf21("5","1","5","2","5","1","3","1") = "4"
    & skf21("5","1","5","2","5","1","4","1") = "4"
    & skf21("5","1","5","2","5","1","5","1") = "4"
    & skf21("5","1","5","2","5","1","6","1") = "5"
    & skf21("5","1","5","2","5","1","7","1") = "6"
    & skf21("5","1","5","2","5","2","1","1") = "4"
    & skf21("5","1","5","2","5","2","2","1") = "4"
    & skf21("5","1","5","2","5","2","3","1") = "4"
    & skf21("5","1","5","2","5","2","4","1") = "4"
    & skf21("5","1","5","2","5","2","5","1") = "4"
    & skf21("5","1","5","2","5","2","6","1") = "5"
    & skf21("5","1","5","2","5","2","7","1") = "6"
    & skf21("5","1","5","2","5","3","1","1") = "4"
    & skf21("5","1","5","2","5","3","2","1") = "4"
    & skf21("5","1","5","2","5","3","3","1") = "4"
    & skf21("5","1","5","2","5","3","4","1") = "4"
    & skf21("5","1","5","2","5","3","5","1") = "4"
    & skf21("5","1","5","2","5","3","6","1") = "5"
    & skf21("5","1","5","2","5","3","7","1") = "6"
    & skf21("5","1","5","2","5","4","1","1") = "4"
    & skf21("5","1","5","2","5","4","2","1") = "4"
    & skf21("5","1","5","2","5","4","3","1") = "4"
    & skf21("5","1","5","2","5","4","4","1") = "4"
    & skf21("5","1","5","2","5","4","5","1") = "4"
    & skf21("5","1","5","2","5","4","6","1") = "5"
    & skf21("5","1","5","2","5","4","7","1") = "6"
    & skf21("5","1","5","2","5","5","1","1") = "4"
    & skf21("5","1","5","2","5","5","2","1") = "4"
    & skf21("5","1","5","2","5","5","3","1") = "4"
    & skf21("5","1","5","2","5","5","4","1") = "4"
    & skf21("5","1","5","2","5","5","5","1") = "4"
    & skf21("5","1","5","2","5","5","6","1") = "5"
    & skf21("5","1","5","2","5","5","7","1") = "6"
    & skf21("5","1","5","2","5","6","1","1") = "5"
    & skf21("5","1","5","2","5","6","2","1") = "5"
    & skf21("5","1","5","2","5","6","3","1") = "5"
    & skf21("5","1","5","2","5","6","4","1") = "5"
    & skf21("5","1","5","2","5","6","5","1") = "5"
    & skf21("5","1","5","2","5","6","6","1") = "5"
    & skf21("5","1","5","2","5","6","7","1") = "6"
    & skf21("5","1","5","2","5","7","1","1") = "6"
    & skf21("5","1","5","2","5","7","2","1") = "6"
    & skf21("5","1","5","2","5","7","3","1") = "6"
    & skf21("5","1","5","2","5","7","4","1") = "6"
    & skf21("5","1","5","2","5","7","5","1") = "6"
    & skf21("5","1","5","2","5","7","6","1") = "6"
    & skf21("5","1","5","2","5","7","7","1") = "6"
    & skf21("5","1","5","2","6","1","1","1") = "5"
    & skf21("5","1","5","2","6","1","2","1") = "5"
    & skf21("5","1","5","2","6","1","3","1") = "5"
    & skf21("5","1","5","2","6","1","4","1") = "5"
    & skf21("5","1","5","2","6","1","5","1") = "5"
    & skf21("5","1","5","2","6","1","6","1") = "5"
    & skf21("5","1","5","2","6","1","7","1") = "6"
    & skf21("5","1","5","2","6","2","1","1") = "5"
    & skf21("5","1","5","2","6","2","2","1") = "5"
    & skf21("5","1","5","2","6","2","3","1") = "5"
    & skf21("5","1","5","2","6","2","4","1") = "5"
    & skf21("5","1","5","2","6","2","5","1") = "5"
    & skf21("5","1","5","2","6","2","6","1") = "5"
    & skf21("5","1","5","2","6","2","7","1") = "6"
    & skf21("5","1","5","2","6","3","1","1") = "5"
    & skf21("5","1","5","2","6","3","2","1") = "5"
    & skf21("5","1","5","2","6","3","3","1") = "5"
    & skf21("5","1","5","2","6","3","4","1") = "5"
    & skf21("5","1","5","2","6","3","5","1") = "5"
    & skf21("5","1","5","2","6","3","6","1") = "5"
    & skf21("5","1","5","2","6","3","7","1") = "6"
    & skf21("5","1","5","2","6","4","1","1") = "5"
    & skf21("5","1","5","2","6","4","2","1") = "5"
    & skf21("5","1","5","2","6","4","3","1") = "5"
    & skf21("5","1","5","2","6","4","4","1") = "5"
    & skf21("5","1","5","2","6","4","5","1") = "5"
    & skf21("5","1","5","2","6","4","6","1") = "5"
    & skf21("5","1","5","2","6","4","7","1") = "6"
    & skf21("5","1","5","2","6","5","1","1") = "5"
    & skf21("5","1","5","2","6","5","2","1") = "5"
    & skf21("5","1","5","2","6","5","3","1") = "5"
    & skf21("5","1","5","2","6","5","4","1") = "5"
    & skf21("5","1","5","2","6","5","5","1") = "5"
    & skf21("5","1","5","2","6","5","6","1") = "5"
    & skf21("5","1","5","2","6","5","7","1") = "6"
    & skf21("5","1","5","2","6","6","1","1") = "5"
    & skf21("5","1","5","2","6","6","2","1") = "5"
    & skf21("5","1","5","2","6","6","3","1") = "5"
    & skf21("5","1","5","2","6","6","4","1") = "5"
    & skf21("5","1","5","2","6","6","5","1") = "5"
    & skf21("5","1","5","2","6","6","6","1") = "5"
    & skf21("5","1","5","2","6","6","7","1") = "6"
    & skf21("5","1","5","2","6","7","1","1") = "6"
    & skf21("5","1","5","2","6","7","2","1") = "6"
    & skf21("5","1","5","2","6","7","3","1") = "6"
    & skf21("5","1","5","2","6","7","4","1") = "6"
    & skf21("5","1","5","2","6","7","5","1") = "6"
    & skf21("5","1","5","2","6","7","6","1") = "6"
    & skf21("5","1","5","2","6","7","7","1") = "6"
    & skf21("5","1","5","2","7","1","1","1") = "6"
    & skf21("5","1","5","2","7","1","2","1") = "6"
    & skf21("5","1","5","2","7","1","3","1") = "6"
    & skf21("5","1","5","2","7","1","4","1") = "6"
    & skf21("5","1","5","2","7","1","5","1") = "6"
    & skf21("5","1","5","2","7","1","6","1") = "6"
    & skf21("5","1","5","2","7","1","7","1") = "6"
    & skf21("5","1","5","2","7","2","1","1") = "6"
    & skf21("5","1","5","2","7","2","2","1") = "6"
    & skf21("5","1","5","2","7","2","3","1") = "6"
    & skf21("5","1","5","2","7","2","4","1") = "6"
    & skf21("5","1","5","2","7","2","5","1") = "6"
    & skf21("5","1","5","2","7","2","6","1") = "6"
    & skf21("5","1","5","2","7","2","7","1") = "6"
    & skf21("5","1","5","2","7","3","1","1") = "6"
    & skf21("5","1","5","2","7","3","2","1") = "6"
    & skf21("5","1","5","2","7","3","3","1") = "6"
    & skf21("5","1","5","2","7","3","4","1") = "6"
    & skf21("5","1","5","2","7","3","5","1") = "6"
    & skf21("5","1","5","2","7","3","6","1") = "6"
    & skf21("5","1","5","2","7","3","7","1") = "6"
    & skf21("5","1","5","2","7","4","1","1") = "6"
    & skf21("5","1","5","2","7","4","2","1") = "6"
    & skf21("5","1","5","2","7","4","3","1") = "6"
    & skf21("5","1","5","2","7","4","4","1") = "6"
    & skf21("5","1","5","2","7","4","5","1") = "6"
    & skf21("5","1","5","2","7","4","6","1") = "6"
    & skf21("5","1","5","2","7","4","7","1") = "6"
    & skf21("5","1","5","2","7","5","1","1") = "6"
    & skf21("5","1","5","2","7","5","2","1") = "6"
    & skf21("5","1","5","2","7","5","3","1") = "6"
    & skf21("5","1","5","2","7","5","4","1") = "6"
    & skf21("5","1","5","2","7","5","5","1") = "6"
    & skf21("5","1","5","2","7","5","6","1") = "6"
    & skf21("5","1","5","2","7","5","7","1") = "6"
    & skf21("5","1","5","2","7","6","1","1") = "6"
    & skf21("5","1","5","2","7","6","2","1") = "6"
    & skf21("5","1","5","2","7","6","3","1") = "6"
    & skf21("5","1","5","2","7","6","4","1") = "6"
    & skf21("5","1","5","2","7","6","5","1") = "6"
    & skf21("5","1","5","2","7","6","6","1") = "6"
    & skf21("5","1","5","2","7","6","7","1") = "6"
    & skf21("5","1","5","2","7","7","1","1") = "6"
    & skf21("5","1","5","2","7","7","2","1") = "6"
    & skf21("5","1","5","2","7","7","3","1") = "6"
    & skf21("5","1","5","2","7","7","4","1") = "6"
    & skf21("5","1","5","2","7","7","5","1") = "6"
    & skf21("5","1","5","2","7","7","6","1") = "6"
    & skf21("5","1","5","2","7","7","7","1") = "6"
    & skf21("5","1","5","3","1","1","1","1") = "4"
    & skf21("5","1","5","3","1","1","2","1") = "4"
    & skf21("5","1","5","3","1","1","3","1") = "4"
    & skf21("5","1","5","3","1","1","4","1") = "4"
    & skf21("5","1","5","3","1","1","5","1") = "4"
    & skf21("5","1","5","3","1","1","6","1") = "5"
    & skf21("5","1","5","3","1","1","7","1") = "6"
    & skf21("5","1","5","3","1","2","1","1") = "4"
    & skf21("5","1","5","3","1","2","2","1") = "4"
    & skf21("5","1","5","3","1","2","3","1") = "4"
    & skf21("5","1","5","3","1","2","4","1") = "4"
    & skf21("5","1","5","3","1","2","5","1") = "4"
    & skf21("5","1","5","3","1","2","6","1") = "5"
    & skf21("5","1","5","3","1","2","7","1") = "6"
    & skf21("5","1","5","3","1","3","1","1") = "4"
    & skf21("5","1","5","3","1","3","2","1") = "4"
    & skf21("5","1","5","3","1","3","3","1") = "4"
    & skf21("5","1","5","3","1","3","4","1") = "4"
    & skf21("5","1","5","3","1","3","5","1") = "4"
    & skf21("5","1","5","3","1","3","6","1") = "5"
    & skf21("5","1","5","3","1","3","7","1") = "6"
    & skf21("5","1","5","3","1","4","1","1") = "4"
    & skf21("5","1","5","3","1","4","2","1") = "4"
    & skf21("5","1","5","3","1","4","3","1") = "4"
    & skf21("5","1","5","3","1","4","4","1") = "4"
    & skf21("5","1","5","3","1","4","5","1") = "4"
    & skf21("5","1","5","3","1","4","6","1") = "5"
    & skf21("5","1","5","3","1","4","7","1") = "6"
    & skf21("5","1","5","3","1","5","1","1") = "4"
    & skf21("5","1","5","3","1","5","2","1") = "4"
    & skf21("5","1","5","3","1","5","3","1") = "4"
    & skf21("5","1","5","3","1","5","4","1") = "4"
    & skf21("5","1","5","3","1","5","5","1") = "4"
    & skf21("5","1","5","3","1","5","6","1") = "5"
    & skf21("5","1","5","3","1","5","7","1") = "6"
    & skf21("5","1","5","3","1","6","1","1") = "5"
    & skf21("5","1","5","3","1","6","2","1") = "5"
    & skf21("5","1","5","3","1","6","3","1") = "5"
    & skf21("5","1","5","3","1","6","4","1") = "5"
    & skf21("5","1","5","3","1","6","5","1") = "5"
    & skf21("5","1","5","3","1","6","6","1") = "5"
    & skf21("5","1","5","3","1","6","7","1") = "6"
    & skf21("5","1","5","3","1","7","1","1") = "6"
    & skf21("5","1","5","3","1","7","2","1") = "6"
    & skf21("5","1","5","3","1","7","3","1") = "6"
    & skf21("5","1","5","3","1","7","4","1") = "6"
    & skf21("5","1","5","3","1","7","5","1") = "6"
    & skf21("5","1","5","3","1","7","6","1") = "6"
    & skf21("5","1","5","3","1","7","7","1") = "6"
    & skf21("5","1","5","3","2","1","1","1") = "4"
    & skf21("5","1","5","3","2","1","2","1") = "4"
    & skf21("5","1","5","3","2","1","3","1") = "4"
    & skf21("5","1","5","3","2","1","4","1") = "4"
    & skf21("5","1","5","3","2","1","5","1") = "4"
    & skf21("5","1","5","3","2","1","6","1") = "5"
    & skf21("5","1","5","3","2","1","7","1") = "6"
    & skf21("5","1","5","3","2","2","1","1") = "4"
    & skf21("5","1","5","3","2","2","2","1") = "4"
    & skf21("5","1","5","3","2","2","3","1") = "4"
    & skf21("5","1","5","3","2","2","4","1") = "4"
    & skf21("5","1","5","3","2","2","5","1") = "4"
    & skf21("5","1","5","3","2","2","6","1") = "5"
    & skf21("5","1","5","3","2","2","7","1") = "6"
    & skf21("5","1","5","3","2","3","1","1") = "4"
    & skf21("5","1","5","3","2","3","2","1") = "4"
    & skf21("5","1","5","3","2","3","3","1") = "4"
    & skf21("5","1","5","3","2","3","4","1") = "4"
    & skf21("5","1","5","3","2","3","5","1") = "4"
    & skf21("5","1","5","3","2","3","6","1") = "5"
    & skf21("5","1","5","3","2","3","7","1") = "6"
    & skf21("5","1","5","3","2","4","1","1") = "4"
    & skf21("5","1","5","3","2","4","2","1") = "4"
    & skf21("5","1","5","3","2","4","3","1") = "4"
    & skf21("5","1","5","3","2","4","4","1") = "4"
    & skf21("5","1","5","3","2","4","5","1") = "4"
    & skf21("5","1","5","3","2","4","6","1") = "5"
    & skf21("5","1","5","3","2","4","7","1") = "6"
    & skf21("5","1","5","3","2","5","1","1") = "4"
    & skf21("5","1","5","3","2","5","2","1") = "4"
    & skf21("5","1","5","3","2","5","3","1") = "4"
    & skf21("5","1","5","3","2","5","4","1") = "4"
    & skf21("5","1","5","3","2","5","5","1") = "4"
    & skf21("5","1","5","3","2","5","6","1") = "5"
    & skf21("5","1","5","3","2","5","7","1") = "6"
    & skf21("5","1","5","3","2","6","1","1") = "5"
    & skf21("5","1","5","3","2","6","2","1") = "5"
    & skf21("5","1","5","3","2","6","3","1") = "5"
    & skf21("5","1","5","3","2","6","4","1") = "5"
    & skf21("5","1","5","3","2","6","5","1") = "5"
    & skf21("5","1","5","3","2","6","6","1") = "5"
    & skf21("5","1","5","3","2","6","7","1") = "6"
    & skf21("5","1","5","3","2","7","1","1") = "6"
    & skf21("5","1","5","3","2","7","2","1") = "6"
    & skf21("5","1","5","3","2","7","3","1") = "6"
    & skf21("5","1","5","3","2","7","4","1") = "6"
    & skf21("5","1","5","3","2","7","5","1") = "6"
    & skf21("5","1","5","3","2","7","6","1") = "6"
    & skf21("5","1","5","3","2","7","7","1") = "6"
    & skf21("5","1","5","3","3","1","1","1") = "4"
    & skf21("5","1","5","3","3","1","2","1") = "4"
    & skf21("5","1","5","3","3","1","3","1") = "4"
    & skf21("5","1","5","3","3","1","4","1") = "4"
    & skf21("5","1","5","3","3","1","5","1") = "4"
    & skf21("5","1","5","3","3","1","6","1") = "5"
    & skf21("5","1","5","3","3","1","7","1") = "6"
    & skf21("5","1","5","3","3","2","1","1") = "4"
    & skf21("5","1","5","3","3","2","2","1") = "4"
    & skf21("5","1","5","3","3","2","3","1") = "4"
    & skf21("5","1","5","3","3","2","4","1") = "4"
    & skf21("5","1","5","3","3","2","5","1") = "4"
    & skf21("5","1","5","3","3","2","6","1") = "5"
    & skf21("5","1","5","3","3","2","7","1") = "6"
    & skf21("5","1","5","3","3","3","1","1") = "4"
    & skf21("5","1","5","3","3","3","2","1") = "4"
    & skf21("5","1","5","3","3","3","3","1") = "4"
    & skf21("5","1","5","3","3","3","4","1") = "4"
    & skf21("5","1","5","3","3","3","5","1") = "4"
    & skf21("5","1","5","3","3","3","6","1") = "5"
    & skf21("5","1","5","3","3","3","7","1") = "6"
    & skf21("5","1","5","3","3","4","1","1") = "4"
    & skf21("5","1","5","3","3","4","2","1") = "4"
    & skf21("5","1","5","3","3","4","3","1") = "4"
    & skf21("5","1","5","3","3","4","4","1") = "4"
    & skf21("5","1","5","3","3","4","5","1") = "4"
    & skf21("5","1","5","3","3","4","6","1") = "5"
    & skf21("5","1","5","3","3","4","7","1") = "6"
    & skf21("5","1","5","3","3","5","1","1") = "4"
    & skf21("5","1","5","3","3","5","2","1") = "4"
    & skf21("5","1","5","3","3","5","3","1") = "4"
    & skf21("5","1","5","3","3","5","4","1") = "4"
    & skf21("5","1","5","3","3","5","5","1") = "4"
    & skf21("5","1","5","3","3","5","6","1") = "5"
    & skf21("5","1","5","3","3","5","7","1") = "6"
    & skf21("5","1","5","3","3","6","1","1") = "5"
    & skf21("5","1","5","3","3","6","2","1") = "5"
    & skf21("5","1","5","3","3","6","3","1") = "5"
    & skf21("5","1","5","3","3","6","4","1") = "5"
    & skf21("5","1","5","3","3","6","5","1") = "5"
    & skf21("5","1","5","3","3","6","6","1") = "5"
    & skf21("5","1","5","3","3","6","7","1") = "6"
    & skf21("5","1","5","3","3","7","1","1") = "6"
    & skf21("5","1","5","3","3","7","2","1") = "6"
    & skf21("5","1","5","3","3","7","3","1") = "6"
    & skf21("5","1","5","3","3","7","4","1") = "6"
    & skf21("5","1","5","3","3","7","5","1") = "6"
    & skf21("5","1","5","3","3","7","6","1") = "6"
    & skf21("5","1","5","3","3","7","7","1") = "6"
    & skf21("5","1","5","3","4","1","1","1") = "4"
    & skf21("5","1","5","3","4","1","2","1") = "4"
    & skf21("5","1","5","3","4","1","3","1") = "4"
    & skf21("5","1","5","3","4","1","4","1") = "4"
    & skf21("5","1","5","3","4","1","5","1") = "4"
    & skf21("5","1","5","3","4","1","6","1") = "5"
    & skf21("5","1","5","3","4","1","7","1") = "6"
    & skf21("5","1","5","3","4","2","1","1") = "4"
    & skf21("5","1","5","3","4","2","2","1") = "4"
    & skf21("5","1","5","3","4","2","3","1") = "4"
    & skf21("5","1","5","3","4","2","4","1") = "4"
    & skf21("5","1","5","3","4","2","5","1") = "4"
    & skf21("5","1","5","3","4","2","6","1") = "5"
    & skf21("5","1","5","3","4","2","7","1") = "6"
    & skf21("5","1","5","3","4","3","1","1") = "4"
    & skf21("5","1","5","3","4","3","2","1") = "4"
    & skf21("5","1","5","3","4","3","3","1") = "4"
    & skf21("5","1","5","3","4","3","4","1") = "4"
    & skf21("5","1","5","3","4","3","5","1") = "4"
    & skf21("5","1","5","3","4","3","6","1") = "5"
    & skf21("5","1","5","3","4","3","7","1") = "6"
    & skf21("5","1","5","3","4","4","1","1") = "4"
    & skf21("5","1","5","3","4","4","2","1") = "4"
    & skf21("5","1","5","3","4","4","3","1") = "4"
    & skf21("5","1","5","3","4","4","4","1") = "4"
    & skf21("5","1","5","3","4","4","5","1") = "4"
    & skf21("5","1","5","3","4","4","6","1") = "5"
    & skf21("5","1","5","3","4","4","7","1") = "6"
    & skf21("5","1","5","3","4","5","1","1") = "4"
    & skf21("5","1","5","3","4","5","2","1") = "4"
    & skf21("5","1","5","3","4","5","3","1") = "4"
    & skf21("5","1","5","3","4","5","4","1") = "4"
    & skf21("5","1","5","3","4","5","5","1") = "4"
    & skf21("5","1","5","3","4","5","6","1") = "5"
    & skf21("5","1","5","3","4","5","7","1") = "6"
    & skf21("5","1","5","3","4","6","1","1") = "5"
    & skf21("5","1","5","3","4","6","2","1") = "5"
    & skf21("5","1","5","3","4","6","3","1") = "5"
    & skf21("5","1","5","3","4","6","4","1") = "5"
    & skf21("5","1","5","3","4","6","5","1") = "5"
    & skf21("5","1","5","3","4","6","6","1") = "5"
    & skf21("5","1","5","3","4","6","7","1") = "6"
    & skf21("5","1","5","3","4","7","1","1") = "6"
    & skf21("5","1","5","3","4","7","2","1") = "6"
    & skf21("5","1","5","3","4","7","3","1") = "6"
    & skf21("5","1","5","3","4","7","4","1") = "6"
    & skf21("5","1","5","3","4","7","5","1") = "6"
    & skf21("5","1","5","3","4","7","6","1") = "6"
    & skf21("5","1","5","3","4","7","7","1") = "6"
    & skf21("5","1","5","3","5","1","1","1") = "4"
    & skf21("5","1","5","3","5","1","2","1") = "4"
    & skf21("5","1","5","3","5","1","3","1") = "4"
    & skf21("5","1","5","3","5","1","4","1") = "4"
    & skf21("5","1","5","3","5","1","5","1") = "4"
    & skf21("5","1","5","3","5","1","6","1") = "5"
    & skf21("5","1","5","3","5","1","7","1") = "6"
    & skf21("5","1","5","3","5","2","1","1") = "4"
    & skf21("5","1","5","3","5","2","2","1") = "4"
    & skf21("5","1","5","3","5","2","3","1") = "4"
    & skf21("5","1","5","3","5","2","4","1") = "4"
    & skf21("5","1","5","3","5","2","5","1") = "4"
    & skf21("5","1","5","3","5","2","6","1") = "5"
    & skf21("5","1","5","3","5","2","7","1") = "6"
    & skf21("5","1","5","3","5","3","1","1") = "4"
    & skf21("5","1","5","3","5","3","2","1") = "4"
    & skf21("5","1","5","3","5","3","3","1") = "4"
    & skf21("5","1","5","3","5","3","4","1") = "4"
    & skf21("5","1","5","3","5","3","5","1") = "4"
    & skf21("5","1","5","3","5","3","6","1") = "5"
    & skf21("5","1","5","3","5","3","7","1") = "6"
    & skf21("5","1","5","3","5","4","1","1") = "4"
    & skf21("5","1","5","3","5","4","2","1") = "4"
    & skf21("5","1","5","3","5","4","3","1") = "4"
    & skf21("5","1","5","3","5","4","4","1") = "4"
    & skf21("5","1","5","3","5","4","5","1") = "4"
    & skf21("5","1","5","3","5","4","6","1") = "5"
    & skf21("5","1","5","3","5","4","7","1") = "6"
    & skf21("5","1","5","3","5","5","1","1") = "4"
    & skf21("5","1","5","3","5","5","2","1") = "4"
    & skf21("5","1","5","3","5","5","3","1") = "4"
    & skf21("5","1","5","3","5","5","4","1") = "4"
    & skf21("5","1","5","3","5","5","5","1") = "4"
    & skf21("5","1","5","3","5","5","6","1") = "5"
    & skf21("5","1","5","3","5","5","7","1") = "6"
    & skf21("5","1","5","3","5","6","1","1") = "5"
    & skf21("5","1","5","3","5","6","2","1") = "5"
    & skf21("5","1","5","3","5","6","3","1") = "5"
    & skf21("5","1","5","3","5","6","4","1") = "5"
    & skf21("5","1","5","3","5","6","5","1") = "5"
    & skf21("5","1","5","3","5","6","6","1") = "5"
    & skf21("5","1","5","3","5","6","7","1") = "6"
    & skf21("5","1","5","3","5","7","1","1") = "6"
    & skf21("5","1","5","3","5","7","2","1") = "6"
    & skf21("5","1","5","3","5","7","3","1") = "6"
    & skf21("5","1","5","3","5","7","4","1") = "6"
    & skf21("5","1","5","3","5","7","5","1") = "6"
    & skf21("5","1","5","3","5","7","6","1") = "6"
    & skf21("5","1","5","3","5","7","7","1") = "6"
    & skf21("5","1","5","3","6","1","1","1") = "5"
    & skf21("5","1","5","3","6","1","2","1") = "5"
    & skf21("5","1","5","3","6","1","3","1") = "5"
    & skf21("5","1","5","3","6","1","4","1") = "5"
    & skf21("5","1","5","3","6","1","5","1") = "5"
    & skf21("5","1","5","3","6","1","6","1") = "5"
    & skf21("5","1","5","3","6","1","7","1") = "6"
    & skf21("5","1","5","3","6","2","1","1") = "5"
    & skf21("5","1","5","3","6","2","2","1") = "5"
    & skf21("5","1","5","3","6","2","3","1") = "5"
    & skf21("5","1","5","3","6","2","4","1") = "5"
    & skf21("5","1","5","3","6","2","5","1") = "5"
    & skf21("5","1","5","3","6","2","6","1") = "5"
    & skf21("5","1","5","3","6","2","7","1") = "6"
    & skf21("5","1","5","3","6","3","1","1") = "5"
    & skf21("5","1","5","3","6","3","2","1") = "5"
    & skf21("5","1","5","3","6","3","3","1") = "5"
    & skf21("5","1","5","3","6","3","4","1") = "5"
    & skf21("5","1","5","3","6","3","5","1") = "5"
    & skf21("5","1","5","3","6","3","6","1") = "5"
    & skf21("5","1","5","3","6","3","7","1") = "6"
    & skf21("5","1","5","3","6","4","1","1") = "5"
    & skf21("5","1","5","3","6","4","2","1") = "5"
    & skf21("5","1","5","3","6","4","3","1") = "5"
    & skf21("5","1","5","3","6","4","4","1") = "5"
    & skf21("5","1","5","3","6","4","5","1") = "5"
    & skf21("5","1","5","3","6","4","6","1") = "5"
    & skf21("5","1","5","3","6","4","7","1") = "6"
    & skf21("5","1","5","3","6","5","1","1") = "5"
    & skf21("5","1","5","3","6","5","2","1") = "5"
    & skf21("5","1","5","3","6","5","3","1") = "5"
    & skf21("5","1","5","3","6","5","4","1") = "5"
    & skf21("5","1","5","3","6","5","5","1") = "5"
    & skf21("5","1","5","3","6","5","6","1") = "5"
    & skf21("5","1","5","3","6","5","7","1") = "6"
    & skf21("5","1","5","3","6","6","1","1") = "5"
    & skf21("5","1","5","3","6","6","2","1") = "5"
    & skf21("5","1","5","3","6","6","3","1") = "5"
    & skf21("5","1","5","3","6","6","4","1") = "5"
    & skf21("5","1","5","3","6","6","5","1") = "5"
    & skf21("5","1","5","3","6","6","6","1") = "5"
    & skf21("5","1","5","3","6","6","7","1") = "6"
    & skf21("5","1","5","3","6","7","1","1") = "6"
    & skf21("5","1","5","3","6","7","2","1") = "6"
    & skf21("5","1","5","3","6","7","3","1") = "6"
    & skf21("5","1","5","3","6","7","4","1") = "6"
    & skf21("5","1","5","3","6","7","5","1") = "6"
    & skf21("5","1","5","3","6","7","6","1") = "6"
    & skf21("5","1","5","3","6","7","7","1") = "6"
    & skf21("5","1","5","3","7","1","1","1") = "6"
    & skf21("5","1","5","3","7","1","2","1") = "6"
    & skf21("5","1","5","3","7","1","3","1") = "6"
    & skf21("5","1","5","3","7","1","4","1") = "6"
    & skf21("5","1","5","3","7","1","5","1") = "6"
    & skf21("5","1","5","3","7","1","6","1") = "6"
    & skf21("5","1","5","3","7","1","7","1") = "6"
    & skf21("5","1","5","3","7","2","1","1") = "6"
    & skf21("5","1","5","3","7","2","2","1") = "6"
    & skf21("5","1","5","3","7","2","3","1") = "6"
    & skf21("5","1","5","3","7","2","4","1") = "6"
    & skf21("5","1","5","3","7","2","5","1") = "6"
    & skf21("5","1","5","3","7","2","6","1") = "6"
    & skf21("5","1","5","3","7","2","7","1") = "6"
    & skf21("5","1","5","3","7","3","1","1") = "6"
    & skf21("5","1","5","3","7","3","2","1") = "6"
    & skf21("5","1","5","3","7","3","3","1") = "6"
    & skf21("5","1","5","3","7","3","4","1") = "6"
    & skf21("5","1","5","3","7","3","5","1") = "6"
    & skf21("5","1","5","3","7","3","6","1") = "6"
    & skf21("5","1","5","3","7","3","7","1") = "6"
    & skf21("5","1","5","3","7","4","1","1") = "6"
    & skf21("5","1","5","3","7","4","2","1") = "6"
    & skf21("5","1","5","3","7","4","3","1") = "6"
    & skf21("5","1","5","3","7","4","4","1") = "6"
    & skf21("5","1","5","3","7","4","5","1") = "6"
    & skf21("5","1","5","3","7","4","6","1") = "6"
    & skf21("5","1","5","3","7","4","7","1") = "6"
    & skf21("5","1","5","3","7","5","1","1") = "6"
    & skf21("5","1","5","3","7","5","2","1") = "6"
    & skf21("5","1","5","3","7","5","3","1") = "6"
    & skf21("5","1","5","3","7","5","4","1") = "6"
    & skf21("5","1","5","3","7","5","5","1") = "6"
    & skf21("5","1","5","3","7","5","6","1") = "6"
    & skf21("5","1","5","3","7","5","7","1") = "6"
    & skf21("5","1","5","3","7","6","1","1") = "6"
    & skf21("5","1","5","3","7","6","2","1") = "6"
    & skf21("5","1","5","3","7","6","3","1") = "6"
    & skf21("5","1","5","3","7","6","4","1") = "6"
    & skf21("5","1","5","3","7","6","5","1") = "6"
    & skf21("5","1","5","3","7","6","6","1") = "6"
    & skf21("5","1","5","3","7","6","7","1") = "6"
    & skf21("5","1","5","3","7","7","1","1") = "6"
    & skf21("5","1","5","3","7","7","2","1") = "6"
    & skf21("5","1","5","3","7","7","3","1") = "6"
    & skf21("5","1","5","3","7","7","4","1") = "6"
    & skf21("5","1","5","3","7","7","5","1") = "6"
    & skf21("5","1","5","3","7","7","6","1") = "6"
    & skf21("5","1","5","3","7","7","7","1") = "6"
    & skf21("5","1","5","4","1","1","1","1") = "4"
    & skf21("5","1","5","4","1","1","2","1") = "4"
    & skf21("5","1","5","4","1","1","3","1") = "4"
    & skf21("5","1","5","4","1","1","4","1") = "4"
    & skf21("5","1","5","4","1","1","5","1") = "4"
    & skf21("5","1","5","4","1","1","6","1") = "5"
    & skf21("5","1","5","4","1","1","7","1") = "6"
    & skf21("5","1","5","4","1","2","1","1") = "4"
    & skf21("5","1","5","4","1","2","2","1") = "4"
    & skf21("5","1","5","4","1","2","3","1") = "4"
    & skf21("5","1","5","4","1","2","4","1") = "4"
    & skf21("5","1","5","4","1","2","5","1") = "4"
    & skf21("5","1","5","4","1","2","6","1") = "5"
    & skf21("5","1","5","4","1","2","7","1") = "6"
    & skf21("5","1","5","4","1","3","1","1") = "4"
    & skf21("5","1","5","4","1","3","2","1") = "4"
    & skf21("5","1","5","4","1","3","3","1") = "4"
    & skf21("5","1","5","4","1","3","4","1") = "4"
    & skf21("5","1","5","4","1","3","5","1") = "4"
    & skf21("5","1","5","4","1","3","6","1") = "5"
    & skf21("5","1","5","4","1","3","7","1") = "6"
    & skf21("5","1","5","4","1","4","1","1") = "4"
    & skf21("5","1","5","4","1","4","2","1") = "4"
    & skf21("5","1","5","4","1","4","3","1") = "4"
    & skf21("5","1","5","4","1","4","4","1") = "4"
    & skf21("5","1","5","4","1","4","5","1") = "4"
    & skf21("5","1","5","4","1","4","6","1") = "5"
    & skf21("5","1","5","4","1","4","7","1") = "6"
    & skf21("5","1","5","4","1","5","1","1") = "4"
    & skf21("5","1","5","4","1","5","2","1") = "4"
    & skf21("5","1","5","4","1","5","3","1") = "4"
    & skf21("5","1","5","4","1","5","4","1") = "4"
    & skf21("5","1","5","4","1","5","5","1") = "4"
    & skf21("5","1","5","4","1","5","6","1") = "5"
    & skf21("5","1","5","4","1","5","7","1") = "6"
    & skf21("5","1","5","4","1","6","1","1") = "5"
    & skf21("5","1","5","4","1","6","2","1") = "5"
    & skf21("5","1","5","4","1","6","3","1") = "5"
    & skf21("5","1","5","4","1","6","4","1") = "5"
    & skf21("5","1","5","4","1","6","5","1") = "5"
    & skf21("5","1","5","4","1","6","6","1") = "5"
    & skf21("5","1","5","4","1","6","7","1") = "6"
    & skf21("5","1","5","4","1","7","1","1") = "6"
    & skf21("5","1","5","4","1","7","2","1") = "6"
    & skf21("5","1","5","4","1","7","3","1") = "6"
    & skf21("5","1","5","4","1","7","4","1") = "6"
    & skf21("5","1","5","4","1","7","5","1") = "6"
    & skf21("5","1","5","4","1","7","6","1") = "6"
    & skf21("5","1","5","4","1","7","7","1") = "6"
    & skf21("5","1","5","4","2","1","1","1") = "4"
    & skf21("5","1","5","4","2","1","2","1") = "4"
    & skf21("5","1","5","4","2","1","3","1") = "4"
    & skf21("5","1","5","4","2","1","4","1") = "4"
    & skf21("5","1","5","4","2","1","5","1") = "4"
    & skf21("5","1","5","4","2","1","6","1") = "5"
    & skf21("5","1","5","4","2","1","7","1") = "6"
    & skf21("5","1","5","4","2","2","1","1") = "4"
    & skf21("5","1","5","4","2","2","2","1") = "4"
    & skf21("5","1","5","4","2","2","3","1") = "4"
    & skf21("5","1","5","4","2","2","4","1") = "4"
    & skf21("5","1","5","4","2","2","5","1") = "4"
    & skf21("5","1","5","4","2","2","6","1") = "5"
    & skf21("5","1","5","4","2","2","7","1") = "6"
    & skf21("5","1","5","4","2","3","1","1") = "4"
    & skf21("5","1","5","4","2","3","2","1") = "4"
    & skf21("5","1","5","4","2","3","3","1") = "4"
    & skf21("5","1","5","4","2","3","4","1") = "4"
    & skf21("5","1","5","4","2","3","5","1") = "4"
    & skf21("5","1","5","4","2","3","6","1") = "5"
    & skf21("5","1","5","4","2","3","7","1") = "6"
    & skf21("5","1","5","4","2","4","1","1") = "4"
    & skf21("5","1","5","4","2","4","2","1") = "4"
    & skf21("5","1","5","4","2","4","3","1") = "4"
    & skf21("5","1","5","4","2","4","4","1") = "4"
    & skf21("5","1","5","4","2","4","5","1") = "4"
    & skf21("5","1","5","4","2","4","6","1") = "5"
    & skf21("5","1","5","4","2","4","7","1") = "6"
    & skf21("5","1","5","4","2","5","1","1") = "4"
    & skf21("5","1","5","4","2","5","2","1") = "4"
    & skf21("5","1","5","4","2","5","3","1") = "4"
    & skf21("5","1","5","4","2","5","4","1") = "4"
    & skf21("5","1","5","4","2","5","5","1") = "4"
    & skf21("5","1","5","4","2","5","6","1") = "5"
    & skf21("5","1","5","4","2","5","7","1") = "6"
    & skf21("5","1","5","4","2","6","1","1") = "5"
    & skf21("5","1","5","4","2","6","2","1") = "5"
    & skf21("5","1","5","4","2","6","3","1") = "5"
    & skf21("5","1","5","4","2","6","4","1") = "5"
    & skf21("5","1","5","4","2","6","5","1") = "5"
    & skf21("5","1","5","4","2","6","6","1") = "5"
    & skf21("5","1","5","4","2","6","7","1") = "6"
    & skf21("5","1","5","4","2","7","1","1") = "6"
    & skf21("5","1","5","4","2","7","2","1") = "6"
    & skf21("5","1","5","4","2","7","3","1") = "6"
    & skf21("5","1","5","4","2","7","4","1") = "6"
    & skf21("5","1","5","4","2","7","5","1") = "6"
    & skf21("5","1","5","4","2","7","6","1") = "6"
    & skf21("5","1","5","4","2","7","7","1") = "6"
    & skf21("5","1","5","4","3","1","1","1") = "4"
    & skf21("5","1","5","4","3","1","2","1") = "4"
    & skf21("5","1","5","4","3","1","3","1") = "4"
    & skf21("5","1","5","4","3","1","4","1") = "4"
    & skf21("5","1","5","4","3","1","5","1") = "4"
    & skf21("5","1","5","4","3","1","6","1") = "5"
    & skf21("5","1","5","4","3","1","7","1") = "6"
    & skf21("5","1","5","4","3","2","1","1") = "4"
    & skf21("5","1","5","4","3","2","2","1") = "4"
    & skf21("5","1","5","4","3","2","3","1") = "4"
    & skf21("5","1","5","4","3","2","4","1") = "4"
    & skf21("5","1","5","4","3","2","5","1") = "4"
    & skf21("5","1","5","4","3","2","6","1") = "5"
    & skf21("5","1","5","4","3","2","7","1") = "6"
    & skf21("5","1","5","4","3","3","1","1") = "4"
    & skf21("5","1","5","4","3","3","2","1") = "4"
    & skf21("5","1","5","4","3","3","3","1") = "4"
    & skf21("5","1","5","4","3","3","4","1") = "4"
    & skf21("5","1","5","4","3","3","5","1") = "4"
    & skf21("5","1","5","4","3","3","6","1") = "5"
    & skf21("5","1","5","4","3","3","7","1") = "6"
    & skf21("5","1","5","4","3","4","1","1") = "4"
    & skf21("5","1","5","4","3","4","2","1") = "4"
    & skf21("5","1","5","4","3","4","3","1") = "4"
    & skf21("5","1","5","4","3","4","4","1") = "4"
    & skf21("5","1","5","4","3","4","5","1") = "4"
    & skf21("5","1","5","4","3","4","6","1") = "5"
    & skf21("5","1","5","4","3","4","7","1") = "6"
    & skf21("5","1","5","4","3","5","1","1") = "4"
    & skf21("5","1","5","4","3","5","2","1") = "4"
    & skf21("5","1","5","4","3","5","3","1") = "4"
    & skf21("5","1","5","4","3","5","4","1") = "4"
    & skf21("5","1","5","4","3","5","5","1") = "4"
    & skf21("5","1","5","4","3","5","6","1") = "5"
    & skf21("5","1","5","4","3","5","7","1") = "6"
    & skf21("5","1","5","4","3","6","1","1") = "5"
    & skf21("5","1","5","4","3","6","2","1") = "5"
    & skf21("5","1","5","4","3","6","3","1") = "5"
    & skf21("5","1","5","4","3","6","4","1") = "5"
    & skf21("5","1","5","4","3","6","5","1") = "5"
    & skf21("5","1","5","4","3","6","6","1") = "5"
    & skf21("5","1","5","4","3","6","7","1") = "6"
    & skf21("5","1","5","4","3","7","1","1") = "6"
    & skf21("5","1","5","4","3","7","2","1") = "6"
    & skf21("5","1","5","4","3","7","3","1") = "6"
    & skf21("5","1","5","4","3","7","4","1") = "6"
    & skf21("5","1","5","4","3","7","5","1") = "6"
    & skf21("5","1","5","4","3","7","6","1") = "6"
    & skf21("5","1","5","4","3","7","7","1") = "6"
    & skf21("5","1","5","4","4","1","1","1") = "4"
    & skf21("5","1","5","4","4","1","2","1") = "4"
    & skf21("5","1","5","4","4","1","3","1") = "4"
    & skf21("5","1","5","4","4","1","4","1") = "4"
    & skf21("5","1","5","4","4","1","5","1") = "4"
    & skf21("5","1","5","4","4","1","6","1") = "5"
    & skf21("5","1","5","4","4","1","7","1") = "6"
    & skf21("5","1","5","4","4","2","1","1") = "4"
    & skf21("5","1","5","4","4","2","2","1") = "4"
    & skf21("5","1","5","4","4","2","3","1") = "4"
    & skf21("5","1","5","4","4","2","4","1") = "4"
    & skf21("5","1","5","4","4","2","5","1") = "4"
    & skf21("5","1","5","4","4","2","6","1") = "5"
    & skf21("5","1","5","4","4","2","7","1") = "6"
    & skf21("5","1","5","4","4","3","1","1") = "4"
    & skf21("5","1","5","4","4","3","2","1") = "4"
    & skf21("5","1","5","4","4","3","3","1") = "4"
    & skf21("5","1","5","4","4","3","4","1") = "4"
    & skf21("5","1","5","4","4","3","5","1") = "4"
    & skf21("5","1","5","4","4","3","6","1") = "5"
    & skf21("5","1","5","4","4","3","7","1") = "6"
    & skf21("5","1","5","4","4","4","1","1") = "4"
    & skf21("5","1","5","4","4","4","2","1") = "4"
    & skf21("5","1","5","4","4","4","3","1") = "4"
    & skf21("5","1","5","4","4","4","4","1") = "4"
    & skf21("5","1","5","4","4","4","5","1") = "4"
    & skf21("5","1","5","4","4","4","6","1") = "5"
    & skf21("5","1","5","4","4","4","7","1") = "6"
    & skf21("5","1","5","4","4","5","1","1") = "4"
    & skf21("5","1","5","4","4","5","2","1") = "4"
    & skf21("5","1","5","4","4","5","3","1") = "4"
    & skf21("5","1","5","4","4","5","4","1") = "4"
    & skf21("5","1","5","4","4","5","5","1") = "4"
    & skf21("5","1","5","4","4","5","6","1") = "5"
    & skf21("5","1","5","4","4","5","7","1") = "6"
    & skf21("5","1","5","4","4","6","1","1") = "5"
    & skf21("5","1","5","4","4","6","2","1") = "5"
    & skf21("5","1","5","4","4","6","3","1") = "5"
    & skf21("5","1","5","4","4","6","4","1") = "5"
    & skf21("5","1","5","4","4","6","5","1") = "5"
    & skf21("5","1","5","4","4","6","6","1") = "5"
    & skf21("5","1","5","4","4","6","7","1") = "6"
    & skf21("5","1","5","4","4","7","1","1") = "6"
    & skf21("5","1","5","4","4","7","2","1") = "6"
    & skf21("5","1","5","4","4","7","3","1") = "6"
    & skf21("5","1","5","4","4","7","4","1") = "6"
    & skf21("5","1","5","4","4","7","5","1") = "6"
    & skf21("5","1","5","4","4","7","6","1") = "6"
    & skf21("5","1","5","4","4","7","7","1") = "6"
    & skf21("5","1","5","4","5","1","1","1") = "4"
    & skf21("5","1","5","4","5","1","2","1") = "4"
    & skf21("5","1","5","4","5","1","3","1") = "4"
    & skf21("5","1","5","4","5","1","4","1") = "4"
    & skf21("5","1","5","4","5","1","5","1") = "4"
    & skf21("5","1","5","4","5","1","6","1") = "5"
    & skf21("5","1","5","4","5","1","7","1") = "6"
    & skf21("5","1","5","4","5","2","1","1") = "4"
    & skf21("5","1","5","4","5","2","2","1") = "4"
    & skf21("5","1","5","4","5","2","3","1") = "4"
    & skf21("5","1","5","4","5","2","4","1") = "4"
    & skf21("5","1","5","4","5","2","5","1") = "4"
    & skf21("5","1","5","4","5","2","6","1") = "5"
    & skf21("5","1","5","4","5","2","7","1") = "6"
    & skf21("5","1","5","4","5","3","1","1") = "4"
    & skf21("5","1","5","4","5","3","2","1") = "4"
    & skf21("5","1","5","4","5","3","3","1") = "4"
    & skf21("5","1","5","4","5","3","4","1") = "4"
    & skf21("5","1","5","4","5","3","5","1") = "4"
    & skf21("5","1","5","4","5","3","6","1") = "5"
    & skf21("5","1","5","4","5","3","7","1") = "6"
    & skf21("5","1","5","4","5","4","1","1") = "4"
    & skf21("5","1","5","4","5","4","2","1") = "4"
    & skf21("5","1","5","4","5","4","3","1") = "4"
    & skf21("5","1","5","4","5","4","4","1") = "4"
    & skf21("5","1","5","4","5","4","5","1") = "4"
    & skf21("5","1","5","4","5","4","6","1") = "5"
    & skf21("5","1","5","4","5","4","7","1") = "6"
    & skf21("5","1","5","4","5","5","1","1") = "4"
    & skf21("5","1","5","4","5","5","2","1") = "4"
    & skf21("5","1","5","4","5","5","3","1") = "4"
    & skf21("5","1","5","4","5","5","4","1") = "4"
    & skf21("5","1","5","4","5","5","5","1") = "4"
    & skf21("5","1","5","4","5","5","6","1") = "5"
    & skf21("5","1","5","4","5","5","7","1") = "6"
    & skf21("5","1","5","4","5","6","1","1") = "5"
    & skf21("5","1","5","4","5","6","2","1") = "5"
    & skf21("5","1","5","4","5","6","3","1") = "5"
    & skf21("5","1","5","4","5","6","4","1") = "5"
    & skf21("5","1","5","4","5","6","5","1") = "5"
    & skf21("5","1","5","4","5","6","6","1") = "5"
    & skf21("5","1","5","4","5","6","7","1") = "6"
    & skf21("5","1","5","4","5","7","1","1") = "6"
    & skf21("5","1","5","4","5","7","2","1") = "6"
    & skf21("5","1","5","4","5","7","3","1") = "6"
    & skf21("5","1","5","4","5","7","4","1") = "6"
    & skf21("5","1","5","4","5","7","5","1") = "6"
    & skf21("5","1","5","4","5","7","6","1") = "6"
    & skf21("5","1","5","4","5","7","7","1") = "6"
    & skf21("5","1","5","4","6","1","1","1") = "5"
    & skf21("5","1","5","4","6","1","2","1") = "5"
    & skf21("5","1","5","4","6","1","3","1") = "5"
    & skf21("5","1","5","4","6","1","4","1") = "5"
    & skf21("5","1","5","4","6","1","5","1") = "5"
    & skf21("5","1","5","4","6","1","6","1") = "5"
    & skf21("5","1","5","4","6","1","7","1") = "6"
    & skf21("5","1","5","4","6","2","1","1") = "5"
    & skf21("5","1","5","4","6","2","2","1") = "5"
    & skf21("5","1","5","4","6","2","3","1") = "5"
    & skf21("5","1","5","4","6","2","4","1") = "5"
    & skf21("5","1","5","4","6","2","5","1") = "5"
    & skf21("5","1","5","4","6","2","6","1") = "5"
    & skf21("5","1","5","4","6","2","7","1") = "6"
    & skf21("5","1","5","4","6","3","1","1") = "5"
    & skf21("5","1","5","4","6","3","2","1") = "5"
    & skf21("5","1","5","4","6","3","3","1") = "5"
    & skf21("5","1","5","4","6","3","4","1") = "5"
    & skf21("5","1","5","4","6","3","5","1") = "5"
    & skf21("5","1","5","4","6","3","6","1") = "5"
    & skf21("5","1","5","4","6","3","7","1") = "6"
    & skf21("5","1","5","4","6","4","1","1") = "5"
    & skf21("5","1","5","4","6","4","2","1") = "5"
    & skf21("5","1","5","4","6","4","3","1") = "5"
    & skf21("5","1","5","4","6","4","4","1") = "5"
    & skf21("5","1","5","4","6","4","5","1") = "5"
    & skf21("5","1","5","4","6","4","6","1") = "5"
    & skf21("5","1","5","4","6","4","7","1") = "6"
    & skf21("5","1","5","4","6","5","1","1") = "5"
    & skf21("5","1","5","4","6","5","2","1") = "5"
    & skf21("5","1","5","4","6","5","3","1") = "5"
    & skf21("5","1","5","4","6","5","4","1") = "5"
    & skf21("5","1","5","4","6","5","5","1") = "5"
    & skf21("5","1","5","4","6","5","6","1") = "5"
    & skf21("5","1","5","4","6","5","7","1") = "6"
    & skf21("5","1","5","4","6","6","1","1") = "5"
    & skf21("5","1","5","4","6","6","2","1") = "5"
    & skf21("5","1","5","4","6","6","3","1") = "5"
    & skf21("5","1","5","4","6","6","4","1") = "5"
    & skf21("5","1","5","4","6","6","5","1") = "5"
    & skf21("5","1","5","4","6","6","6","1") = "5"
    & skf21("5","1","5","4","6","6","7","1") = "6"
    & skf21("5","1","5","4","6","7","1","1") = "6"
    & skf21("5","1","5","4","6","7","2","1") = "6"
    & skf21("5","1","5","4","6","7","3","1") = "6"
    & skf21("5","1","5","4","6","7","4","1") = "6"
    & skf21("5","1","5","4","6","7","5","1") = "6"
    & skf21("5","1","5","4","6","7","6","1") = "6"
    & skf21("5","1","5","4","6","7","7","1") = "6"
    & skf21("5","1","5","4","7","1","1","1") = "6"
    & skf21("5","1","5","4","7","1","2","1") = "6"
    & skf21("5","1","5","4","7","1","3","1") = "6"
    & skf21("5","1","5","4","7","1","4","1") = "6"
    & skf21("5","1","5","4","7","1","5","1") = "6"
    & skf21("5","1","5","4","7","1","6","1") = "6"
    & skf21("5","1","5","4","7","1","7","1") = "6"
    & skf21("5","1","5","4","7","2","1","1") = "6"
    & skf21("5","1","5","4","7","2","2","1") = "6"
    & skf21("5","1","5","4","7","2","3","1") = "6"
    & skf21("5","1","5","4","7","2","4","1") = "6"
    & skf21("5","1","5","4","7","2","5","1") = "6"
    & skf21("5","1","5","4","7","2","6","1") = "6"
    & skf21("5","1","5","4","7","2","7","1") = "6"
    & skf21("5","1","5","4","7","3","1","1") = "6"
    & skf21("5","1","5","4","7","3","2","1") = "6"
    & skf21("5","1","5","4","7","3","3","1") = "6"
    & skf21("5","1","5","4","7","3","4","1") = "6"
    & skf21("5","1","5","4","7","3","5","1") = "6"
    & skf21("5","1","5","4","7","3","6","1") = "6"
    & skf21("5","1","5","4","7","3","7","1") = "6"
    & skf21("5","1","5","4","7","4","1","1") = "6"
    & skf21("5","1","5","4","7","4","2","1") = "6"
    & skf21("5","1","5","4","7","4","3","1") = "6"
    & skf21("5","1","5","4","7","4","4","1") = "6"
    & skf21("5","1","5","4","7","4","5","1") = "6"
    & skf21("5","1","5","4","7","4","6","1") = "6"
    & skf21("5","1","5","4","7","4","7","1") = "6"
    & skf21("5","1","5","4","7","5","1","1") = "6"
    & skf21("5","1","5","4","7","5","2","1") = "6"
    & skf21("5","1","5","4","7","5","3","1") = "6"
    & skf21("5","1","5","4","7","5","4","1") = "6"
    & skf21("5","1","5","4","7","5","5","1") = "6"
    & skf21("5","1","5","4","7","5","6","1") = "6"
    & skf21("5","1","5","4","7","5","7","1") = "6"
    & skf21("5","1","5","4","7","6","1","1") = "6"
    & skf21("5","1","5","4","7","6","2","1") = "6"
    & skf21("5","1","5","4","7","6","3","1") = "6"
    & skf21("5","1","5","4","7","6","4","1") = "6"
    & skf21("5","1","5","4","7","6","5","1") = "6"
    & skf21("5","1","5","4","7","6","6","1") = "6"
    & skf21("5","1","5","4","7","6","7","1") = "6"
    & skf21("5","1","5","4","7","7","1","1") = "6"
    & skf21("5","1","5","4","7","7","2","1") = "6"
    & skf21("5","1","5","4","7","7","3","1") = "6"
    & skf21("5","1","5","4","7","7","4","1") = "6"
    & skf21("5","1","5","4","7","7","5","1") = "6"
    & skf21("5","1","5","4","7","7","6","1") = "6"
    & skf21("5","1","5","4","7","7","7","1") = "6"
    & skf21("5","1","5","5","1","1","1","1") = "4"
    & skf21("5","1","5","5","1","1","2","1") = "4"
    & skf21("5","1","5","5","1","1","3","1") = "4"
    & skf21("5","1","5","5","1","1","4","1") = "4"
    & skf21("5","1","5","5","1","1","5","1") = "4"
    & skf21("5","1","5","5","1","1","6","1") = "5"
    & skf21("5","1","5","5","1","1","7","1") = "6"
    & skf21("5","1","5","5","1","2","1","1") = "4"
    & skf21("5","1","5","5","1","2","2","1") = "4"
    & skf21("5","1","5","5","1","2","3","1") = "4"
    & skf21("5","1","5","5","1","2","4","1") = "4"
    & skf21("5","1","5","5","1","2","5","1") = "4"
    & skf21("5","1","5","5","1","2","6","1") = "5"
    & skf21("5","1","5","5","1","2","7","1") = "6"
    & skf21("5","1","5","5","1","3","1","1") = "4"
    & skf21("5","1","5","5","1","3","2","1") = "4"
    & skf21("5","1","5","5","1","3","3","1") = "4"
    & skf21("5","1","5","5","1","3","4","1") = "4"
    & skf21("5","1","5","5","1","3","5","1") = "4"
    & skf21("5","1","5","5","1","3","6","1") = "5"
    & skf21("5","1","5","5","1","3","7","1") = "6"
    & skf21("5","1","5","5","1","4","1","1") = "4"
    & skf21("5","1","5","5","1","4","2","1") = "4"
    & skf21("5","1","5","5","1","4","3","1") = "4"
    & skf21("5","1","5","5","1","4","4","1") = "4"
    & skf21("5","1","5","5","1","4","5","1") = "4"
    & skf21("5","1","5","5","1","4","6","1") = "5"
    & skf21("5","1","5","5","1","4","7","1") = "6"
    & skf21("5","1","5","5","1","5","1","1") = "4"
    & skf21("5","1","5","5","1","5","2","1") = "4"
    & skf21("5","1","5","5","1","5","3","1") = "4"
    & skf21("5","1","5","5","1","5","4","1") = "4"
    & skf21("5","1","5","5","1","5","5","1") = "4"
    & skf21("5","1","5","5","1","5","6","1") = "5"
    & skf21("5","1","5","5","1","5","7","1") = "6"
    & skf21("5","1","5","5","1","6","1","1") = "5"
    & skf21("5","1","5","5","1","6","2","1") = "5"
    & skf21("5","1","5","5","1","6","3","1") = "5"
    & skf21("5","1","5","5","1","6","4","1") = "5"
    & skf21("5","1","5","5","1","6","5","1") = "5"
    & skf21("5","1","5","5","1","6","6","1") = "5"
    & skf21("5","1","5","5","1","6","7","1") = "6"
    & skf21("5","1","5","5","1","7","1","1") = "6"
    & skf21("5","1","5","5","1","7","2","1") = "6"
    & skf21("5","1","5","5","1","7","3","1") = "6"
    & skf21("5","1","5","5","1","7","4","1") = "6"
    & skf21("5","1","5","5","1","7","5","1") = "6"
    & skf21("5","1","5","5","1","7","6","1") = "6"
    & skf21("5","1","5","5","1","7","7","1") = "6"
    & skf21("5","1","5","5","2","1","1","1") = "4"
    & skf21("5","1","5","5","2","1","2","1") = "4"
    & skf21("5","1","5","5","2","1","3","1") = "4"
    & skf21("5","1","5","5","2","1","4","1") = "4"
    & skf21("5","1","5","5","2","1","5","1") = "4"
    & skf21("5","1","5","5","2","1","6","1") = "5"
    & skf21("5","1","5","5","2","1","7","1") = "6"
    & skf21("5","1","5","5","2","2","1","1") = "4"
    & skf21("5","1","5","5","2","2","2","1") = "4"
    & skf21("5","1","5","5","2","2","3","1") = "4"
    & skf21("5","1","5","5","2","2","4","1") = "4"
    & skf21("5","1","5","5","2","2","5","1") = "4"
    & skf21("5","1","5","5","2","2","6","1") = "5"
    & skf21("5","1","5","5","2","2","7","1") = "6"
    & skf21("5","1","5","5","2","3","1","1") = "4"
    & skf21("5","1","5","5","2","3","2","1") = "4"
    & skf21("5","1","5","5","2","3","3","1") = "4"
    & skf21("5","1","5","5","2","3","4","1") = "4"
    & skf21("5","1","5","5","2","3","5","1") = "4"
    & skf21("5","1","5","5","2","3","6","1") = "5"
    & skf21("5","1","5","5","2","3","7","1") = "6"
    & skf21("5","1","5","5","2","4","1","1") = "4"
    & skf21("5","1","5","5","2","4","2","1") = "4"
    & skf21("5","1","5","5","2","4","3","1") = "4"
    & skf21("5","1","5","5","2","4","4","1") = "4"
    & skf21("5","1","5","5","2","4","5","1") = "4"
    & skf21("5","1","5","5","2","4","6","1") = "5"
    & skf21("5","1","5","5","2","4","7","1") = "6"
    & skf21("5","1","5","5","2","5","1","1") = "4"
    & skf21("5","1","5","5","2","5","2","1") = "4"
    & skf21("5","1","5","5","2","5","3","1") = "4"
    & skf21("5","1","5","5","2","5","4","1") = "4"
    & skf21("5","1","5","5","2","5","5","1") = "4"
    & skf21("5","1","5","5","2","5","6","1") = "5"
    & skf21("5","1","5","5","2","5","7","1") = "6"
    & skf21("5","1","5","5","2","6","1","1") = "5"
    & skf21("5","1","5","5","2","6","2","1") = "5"
    & skf21("5","1","5","5","2","6","3","1") = "5"
    & skf21("5","1","5","5","2","6","4","1") = "5"
    & skf21("5","1","5","5","2","6","5","1") = "5"
    & skf21("5","1","5","5","2","6","6","1") = "5"
    & skf21("5","1","5","5","2","6","7","1") = "6"
    & skf21("5","1","5","5","2","7","1","1") = "6"
    & skf21("5","1","5","5","2","7","2","1") = "6"
    & skf21("5","1","5","5","2","7","3","1") = "6"
    & skf21("5","1","5","5","2","7","4","1") = "6"
    & skf21("5","1","5","5","2","7","5","1") = "6"
    & skf21("5","1","5","5","2","7","6","1") = "6"
    & skf21("5","1","5","5","2","7","7","1") = "6"
    & skf21("5","1","5","5","3","1","1","1") = "4"
    & skf21("5","1","5","5","3","1","2","1") = "4"
    & skf21("5","1","5","5","3","1","3","1") = "4"
    & skf21("5","1","5","5","3","1","4","1") = "4"
    & skf21("5","1","5","5","3","1","5","1") = "4"
    & skf21("5","1","5","5","3","1","6","1") = "5"
    & skf21("5","1","5","5","3","1","7","1") = "6"
    & skf21("5","1","5","5","3","2","1","1") = "4"
    & skf21("5","1","5","5","3","2","2","1") = "4"
    & skf21("5","1","5","5","3","2","3","1") = "4"
    & skf21("5","1","5","5","3","2","4","1") = "4"
    & skf21("5","1","5","5","3","2","5","1") = "4"
    & skf21("5","1","5","5","3","2","6","1") = "5"
    & skf21("5","1","5","5","3","2","7","1") = "6"
    & skf21("5","1","5","5","3","3","1","1") = "4"
    & skf21("5","1","5","5","3","3","2","1") = "4"
    & skf21("5","1","5","5","3","3","3","1") = "4"
    & skf21("5","1","5","5","3","3","4","1") = "4"
    & skf21("5","1","5","5","3","3","5","1") = "4"
    & skf21("5","1","5","5","3","3","6","1") = "5"
    & skf21("5","1","5","5","3","3","7","1") = "6"
    & skf21("5","1","5","5","3","4","1","1") = "4"
    & skf21("5","1","5","5","3","4","2","1") = "4"
    & skf21("5","1","5","5","3","4","3","1") = "4"
    & skf21("5","1","5","5","3","4","4","1") = "4"
    & skf21("5","1","5","5","3","4","5","1") = "4"
    & skf21("5","1","5","5","3","4","6","1") = "5"
    & skf21("5","1","5","5","3","4","7","1") = "6"
    & skf21("5","1","5","5","3","5","1","1") = "4"
    & skf21("5","1","5","5","3","5","2","1") = "4"
    & skf21("5","1","5","5","3","5","3","1") = "4"
    & skf21("5","1","5","5","3","5","4","1") = "4"
    & skf21("5","1","5","5","3","5","5","1") = "4"
    & skf21("5","1","5","5","3","5","6","1") = "5"
    & skf21("5","1","5","5","3","5","7","1") = "6"
    & skf21("5","1","5","5","3","6","1","1") = "5"
    & skf21("5","1","5","5","3","6","2","1") = "5"
    & skf21("5","1","5","5","3","6","3","1") = "5"
    & skf21("5","1","5","5","3","6","4","1") = "5"
    & skf21("5","1","5","5","3","6","5","1") = "5"
    & skf21("5","1","5","5","3","6","6","1") = "5"
    & skf21("5","1","5","5","3","6","7","1") = "6"
    & skf21("5","1","5","5","3","7","1","1") = "6"
    & skf21("5","1","5","5","3","7","2","1") = "6"
    & skf21("5","1","5","5","3","7","3","1") = "6"
    & skf21("5","1","5","5","3","7","4","1") = "6"
    & skf21("5","1","5","5","3","7","5","1") = "6"
    & skf21("5","1","5","5","3","7","6","1") = "6"
    & skf21("5","1","5","5","3","7","7","1") = "6"
    & skf21("5","1","5","5","4","1","1","1") = "4"
    & skf21("5","1","5","5","4","1","2","1") = "4"
    & skf21("5","1","5","5","4","1","3","1") = "4"
    & skf21("5","1","5","5","4","1","4","1") = "4"
    & skf21("5","1","5","5","4","1","5","1") = "4"
    & skf21("5","1","5","5","4","1","6","1") = "5"
    & skf21("5","1","5","5","4","1","7","1") = "6"
    & skf21("5","1","5","5","4","2","1","1") = "4"
    & skf21("5","1","5","5","4","2","2","1") = "4"
    & skf21("5","1","5","5","4","2","3","1") = "4"
    & skf21("5","1","5","5","4","2","4","1") = "4"
    & skf21("5","1","5","5","4","2","5","1") = "4"
    & skf21("5","1","5","5","4","2","6","1") = "5"
    & skf21("5","1","5","5","4","2","7","1") = "6"
    & skf21("5","1","5","5","4","3","1","1") = "4"
    & skf21("5","1","5","5","4","3","2","1") = "4"
    & skf21("5","1","5","5","4","3","3","1") = "4"
    & skf21("5","1","5","5","4","3","4","1") = "4"
    & skf21("5","1","5","5","4","3","5","1") = "4"
    & skf21("5","1","5","5","4","3","6","1") = "5"
    & skf21("5","1","5","5","4","3","7","1") = "6"
    & skf21("5","1","5","5","4","4","1","1") = "4"
    & skf21("5","1","5","5","4","4","2","1") = "4"
    & skf21("5","1","5","5","4","4","3","1") = "4"
    & skf21("5","1","5","5","4","4","4","1") = "4"
    & skf21("5","1","5","5","4","4","5","1") = "4"
    & skf21("5","1","5","5","4","4","6","1") = "5"
    & skf21("5","1","5","5","4","4","7","1") = "6"
    & skf21("5","1","5","5","4","5","1","1") = "4"
    & skf21("5","1","5","5","4","5","2","1") = "4"
    & skf21("5","1","5","5","4","5","3","1") = "4"
    & skf21("5","1","5","5","4","5","4","1") = "4"
    & skf21("5","1","5","5","4","5","5","1") = "4"
    & skf21("5","1","5","5","4","5","6","1") = "5"
    & skf21("5","1","5","5","4","5","7","1") = "6"
    & skf21("5","1","5","5","4","6","1","1") = "5"
    & skf21("5","1","5","5","4","6","2","1") = "5"
    & skf21("5","1","5","5","4","6","3","1") = "5"
    & skf21("5","1","5","5","4","6","4","1") = "5"
    & skf21("5","1","5","5","4","6","5","1") = "5"
    & skf21("5","1","5","5","4","6","6","1") = "5"
    & skf21("5","1","5","5","4","6","7","1") = "6"
    & skf21("5","1","5","5","4","7","1","1") = "6"
    & skf21("5","1","5","5","4","7","2","1") = "6"
    & skf21("5","1","5","5","4","7","3","1") = "6"
    & skf21("5","1","5","5","4","7","4","1") = "6"
    & skf21("5","1","5","5","4","7","5","1") = "6"
    & skf21("5","1","5","5","4","7","6","1") = "6"
    & skf21("5","1","5","5","4","7","7","1") = "6"
    & skf21("5","1","5","5","5","1","1","1") = "4"
    & skf21("5","1","5","5","5","1","2","1") = "4"
    & skf21("5","1","5","5","5","1","3","1") = "4"
    & skf21("5","1","5","5","5","1","4","1") = "4"
    & skf21("5","1","5","5","5","1","5","1") = "4"
    & skf21("5","1","5","5","5","1","6","1") = "5"
    & skf21("5","1","5","5","5","1","7","1") = "6"
    & skf21("5","1","5","5","5","2","1","1") = "4"
    & skf21("5","1","5","5","5","2","2","1") = "4"
    & skf21("5","1","5","5","5","2","3","1") = "4"
    & skf21("5","1","5","5","5","2","4","1") = "4"
    & skf21("5","1","5","5","5","2","5","1") = "4"
    & skf21("5","1","5","5","5","2","6","1") = "5"
    & skf21("5","1","5","5","5","2","7","1") = "6"
    & skf21("5","1","5","5","5","3","1","1") = "4"
    & skf21("5","1","5","5","5","3","2","1") = "4"
    & skf21("5","1","5","5","5","3","3","1") = "4"
    & skf21("5","1","5","5","5","3","4","1") = "4"
    & skf21("5","1","5","5","5","3","5","1") = "4"
    & skf21("5","1","5","5","5","3","6","1") = "5"
    & skf21("5","1","5","5","5","3","7","1") = "6"
    & skf21("5","1","5","5","5","4","1","1") = "4"
    & skf21("5","1","5","5","5","4","2","1") = "4"
    & skf21("5","1","5","5","5","4","3","1") = "4"
    & skf21("5","1","5","5","5","4","4","1") = "4"
    & skf21("5","1","5","5","5","4","5","1") = "4"
    & skf21("5","1","5","5","5","4","6","1") = "5"
    & skf21("5","1","5","5","5","4","7","1") = "6"
    & skf21("5","1","5","5","5","5","1","1") = "4"
    & skf21("5","1","5","5","5","5","2","1") = "4"
    & skf21("5","1","5","5","5","5","3","1") = "4"
    & skf21("5","1","5","5","5","5","4","1") = "4"
    & skf21("5","1","5","5","5","5","5","1") = "4"
    & skf21("5","1","5","5","5","5","6","1") = "5"
    & skf21("5","1","5","5","5","5","7","1") = "6"
    & skf21("5","1","5","5","5","6","1","1") = "5"
    & skf21("5","1","5","5","5","6","2","1") = "5"
    & skf21("5","1","5","5","5","6","3","1") = "5"
    & skf21("5","1","5","5","5","6","4","1") = "5"
    & skf21("5","1","5","5","5","6","5","1") = "5"
    & skf21("5","1","5","5","5","6","6","1") = "5"
    & skf21("5","1","5","5","5","6","7","1") = "6"
    & skf21("5","1","5","5","5","7","1","1") = "6"
    & skf21("5","1","5","5","5","7","2","1") = "6"
    & skf21("5","1","5","5","5","7","3","1") = "6"
    & skf21("5","1","5","5","5","7","4","1") = "6"
    & skf21("5","1","5","5","5","7","5","1") = "6"
    & skf21("5","1","5","5","5","7","6","1") = "6"
    & skf21("5","1","5","5","5","7","7","1") = "6"
    & skf21("5","1","5","5","6","1","1","1") = "5"
    & skf21("5","1","5","5","6","1","2","1") = "5"
    & skf21("5","1","5","5","6","1","3","1") = "5"
    & skf21("5","1","5","5","6","1","4","1") = "5"
    & skf21("5","1","5","5","6","1","5","1") = "5"
    & skf21("5","1","5","5","6","1","6","1") = "5"
    & skf21("5","1","5","5","6","1","7","1") = "6"
    & skf21("5","1","5","5","6","2","1","1") = "5"
    & skf21("5","1","5","5","6","2","2","1") = "5"
    & skf21("5","1","5","5","6","2","3","1") = "5"
    & skf21("5","1","5","5","6","2","4","1") = "5"
    & skf21("5","1","5","5","6","2","5","1") = "5"
    & skf21("5","1","5","5","6","2","6","1") = "5"
    & skf21("5","1","5","5","6","2","7","1") = "6"
    & skf21("5","1","5","5","6","3","1","1") = "5"
    & skf21("5","1","5","5","6","3","2","1") = "5"
    & skf21("5","1","5","5","6","3","3","1") = "5"
    & skf21("5","1","5","5","6","3","4","1") = "5"
    & skf21("5","1","5","5","6","3","5","1") = "5"
    & skf21("5","1","5","5","6","3","6","1") = "5"
    & skf21("5","1","5","5","6","3","7","1") = "6"
    & skf21("5","1","5","5","6","4","1","1") = "5"
    & skf21("5","1","5","5","6","4","2","1") = "5"
    & skf21("5","1","5","5","6","4","3","1") = "5"
    & skf21("5","1","5","5","6","4","4","1") = "5"
    & skf21("5","1","5","5","6","4","5","1") = "5"
    & skf21("5","1","5","5","6","4","6","1") = "5"
    & skf21("5","1","5","5","6","4","7","1") = "6"
    & skf21("5","1","5","5","6","5","1","1") = "5"
    & skf21("5","1","5","5","6","5","2","1") = "5"
    & skf21("5","1","5","5","6","5","3","1") = "5"
    & skf21("5","1","5","5","6","5","4","1") = "5"
    & skf21("5","1","5","5","6","5","5","1") = "5"
    & skf21("5","1","5","5","6","5","6","1") = "5"
    & skf21("5","1","5","5","6","5","7","1") = "6"
    & skf21("5","1","5","5","6","6","1","1") = "5"
    & skf21("5","1","5","5","6","6","2","1") = "5"
    & skf21("5","1","5","5","6","6","3","1") = "5"
    & skf21("5","1","5","5","6","6","4","1") = "5"
    & skf21("5","1","5","5","6","6","5","1") = "5"
    & skf21("5","1","5","5","6","6","6","1") = "5"
    & skf21("5","1","5","5","6","6","7","1") = "6"
    & skf21("5","1","5","5","6","7","1","1") = "6"
    & skf21("5","1","5","5","6","7","2","1") = "6"
    & skf21("5","1","5","5","6","7","3","1") = "6"
    & skf21("5","1","5","5","6","7","4","1") = "6"
    & skf21("5","1","5","5","6","7","5","1") = "6"
    & skf21("5","1","5","5","6","7","6","1") = "6"
    & skf21("5","1","5","5","6","7","7","1") = "6"
    & skf21("5","1","5","5","7","1","1","1") = "6"
    & skf21("5","1","5","5","7","1","2","1") = "6"
    & skf21("5","1","5","5","7","1","3","1") = "6"
    & skf21("5","1","5","5","7","1","4","1") = "6"
    & skf21("5","1","5","5","7","1","5","1") = "6"
    & skf21("5","1","5","5","7","1","6","1") = "6"
    & skf21("5","1","5","5","7","1","7","1") = "6"
    & skf21("5","1","5","5","7","2","1","1") = "6"
    & skf21("5","1","5","5","7","2","2","1") = "6"
    & skf21("5","1","5","5","7","2","3","1") = "6"
    & skf21("5","1","5","5","7","2","4","1") = "6"
    & skf21("5","1","5","5","7","2","5","1") = "6"
    & skf21("5","1","5","5","7","2","6","1") = "6"
    & skf21("5","1","5","5","7","2","7","1") = "6"
    & skf21("5","1","5","5","7","3","1","1") = "6"
    & skf21("5","1","5","5","7","3","2","1") = "6"
    & skf21("5","1","5","5","7","3","3","1") = "6"
    & skf21("5","1","5","5","7","3","4","1") = "6"
    & skf21("5","1","5","5","7","3","5","1") = "6"
    & skf21("5","1","5","5","7","3","6","1") = "6"
    & skf21("5","1","5","5","7","3","7","1") = "6"
    & skf21("5","1","5","5","7","4","1","1") = "6"
    & skf21("5","1","5","5","7","4","2","1") = "6"
    & skf21("5","1","5","5","7","4","3","1") = "6"
    & skf21("5","1","5","5","7","4","4","1") = "6"
    & skf21("5","1","5","5","7","4","5","1") = "6"
    & skf21("5","1","5","5","7","4","6","1") = "6"
    & skf21("5","1","5","5","7","4","7","1") = "6"
    & skf21("5","1","5","5","7","5","1","1") = "6"
    & skf21("5","1","5","5","7","5","2","1") = "6"
    & skf21("5","1","5","5","7","5","3","1") = "6"
    & skf21("5","1","5","5","7","5","4","1") = "6"
    & skf21("5","1","5","5","7","5","5","1") = "6"
    & skf21("5","1","5","5","7","5","6","1") = "6"
    & skf21("5","1","5","5","7","5","7","1") = "6"
    & skf21("5","1","5","5","7","6","1","1") = "6"
    & skf21("5","1","5","5","7","6","2","1") = "6"
    & skf21("5","1","5","5","7","6","3","1") = "6"
    & skf21("5","1","5","5","7","6","4","1") = "6"
    & skf21("5","1","5","5","7","6","5","1") = "6"
    & skf21("5","1","5","5","7","6","6","1") = "6"
    & skf21("5","1","5","5","7","6","7","1") = "6"
    & skf21("5","1","5","5","7","7","1","1") = "6"
    & skf21("5","1","5","5","7","7","2","1") = "6"
    & skf21("5","1","5","5","7","7","3","1") = "6"
    & skf21("5","1","5","5","7","7","4","1") = "6"
    & skf21("5","1","5","5","7","7","5","1") = "6"
    & skf21("5","1","5","5","7","7","6","1") = "6"
    & skf21("5","1","5","5","7","7","7","1") = "6"
    & skf21("5","1","5","6","1","1","1","1") = "5"
    & skf21("5","1","5","6","1","1","2","1") = "5"
    & skf21("5","1","5","6","1","1","3","1") = "5"
    & skf21("5","1","5","6","1","1","4","1") = "5"
    & skf21("5","1","5","6","1","1","5","1") = "5"
    & skf21("5","1","5","6","1","1","6","1") = "5"
    & skf21("5","1","5","6","1","1","7","1") = "6"
    & skf21("5","1","5","6","1","2","1","1") = "5"
    & skf21("5","1","5","6","1","2","2","1") = "5"
    & skf21("5","1","5","6","1","2","3","1") = "5"
    & skf21("5","1","5","6","1","2","4","1") = "5"
    & skf21("5","1","5","6","1","2","5","1") = "5"
    & skf21("5","1","5","6","1","2","6","1") = "5"
    & skf21("5","1","5","6","1","2","7","1") = "6"
    & skf21("5","1","5","6","1","3","1","1") = "5"
    & skf21("5","1","5","6","1","3","2","1") = "5"
    & skf21("5","1","5","6","1","3","3","1") = "5"
    & skf21("5","1","5","6","1","3","4","1") = "5"
    & skf21("5","1","5","6","1","3","5","1") = "5"
    & skf21("5","1","5","6","1","3","6","1") = "5"
    & skf21("5","1","5","6","1","3","7","1") = "6"
    & skf21("5","1","5","6","1","4","1","1") = "5"
    & skf21("5","1","5","6","1","4","2","1") = "5"
    & skf21("5","1","5","6","1","4","3","1") = "5"
    & skf21("5","1","5","6","1","4","4","1") = "5"
    & skf21("5","1","5","6","1","4","5","1") = "5"
    & skf21("5","1","5","6","1","4","6","1") = "5"
    & skf21("5","1","5","6","1","4","7","1") = "6"
    & skf21("5","1","5","6","1","5","1","1") = "5"
    & skf21("5","1","5","6","1","5","2","1") = "5"
    & skf21("5","1","5","6","1","5","3","1") = "5"
    & skf21("5","1","5","6","1","5","4","1") = "5"
    & skf21("5","1","5","6","1","5","5","1") = "5"
    & skf21("5","1","5","6","1","5","6","1") = "5"
    & skf21("5","1","5","6","1","5","7","1") = "6"
    & skf21("5","1","5","6","1","6","1","1") = "5"
    & skf21("5","1","5","6","1","6","2","1") = "5"
    & skf21("5","1","5","6","1","6","3","1") = "5"
    & skf21("5","1","5","6","1","6","4","1") = "5"
    & skf21("5","1","5","6","1","6","5","1") = "5"
    & skf21("5","1","5","6","1","6","6","1") = "5"
    & skf21("5","1","5","6","1","6","7","1") = "6"
    & skf21("5","1","5","6","1","7","1","1") = "6"
    & skf21("5","1","5","6","1","7","2","1") = "6"
    & skf21("5","1","5","6","1","7","3","1") = "6"
    & skf21("5","1","5","6","1","7","4","1") = "6"
    & skf21("5","1","5","6","1","7","5","1") = "6"
    & skf21("5","1","5","6","1","7","6","1") = "6"
    & skf21("5","1","5","6","1","7","7","1") = "6"
    & skf21("5","1","5","6","2","1","1","1") = "5"
    & skf21("5","1","5","6","2","1","2","1") = "5"
    & skf21("5","1","5","6","2","1","3","1") = "5"
    & skf21("5","1","5","6","2","1","4","1") = "5"
    & skf21("5","1","5","6","2","1","5","1") = "5"
    & skf21("5","1","5","6","2","1","6","1") = "5"
    & skf21("5","1","5","6","2","1","7","1") = "6"
    & skf21("5","1","5","6","2","2","1","1") = "5"
    & skf21("5","1","5","6","2","2","2","1") = "5"
    & skf21("5","1","5","6","2","2","3","1") = "5"
    & skf21("5","1","5","6","2","2","4","1") = "5"
    & skf21("5","1","5","6","2","2","5","1") = "5"
    & skf21("5","1","5","6","2","2","6","1") = "5"
    & skf21("5","1","5","6","2","2","7","1") = "6"
    & skf21("5","1","5","6","2","3","1","1") = "5"
    & skf21("5","1","5","6","2","3","2","1") = "5"
    & skf21("5","1","5","6","2","3","3","1") = "5"
    & skf21("5","1","5","6","2","3","4","1") = "5"
    & skf21("5","1","5","6","2","3","5","1") = "5"
    & skf21("5","1","5","6","2","3","6","1") = "5"
    & skf21("5","1","5","6","2","3","7","1") = "6"
    & skf21("5","1","5","6","2","4","1","1") = "5"
    & skf21("5","1","5","6","2","4","2","1") = "5"
    & skf21("5","1","5","6","2","4","3","1") = "5"
    & skf21("5","1","5","6","2","4","4","1") = "5"
    & skf21("5","1","5","6","2","4","5","1") = "5"
    & skf21("5","1","5","6","2","4","6","1") = "5"
    & skf21("5","1","5","6","2","4","7","1") = "6"
    & skf21("5","1","5","6","2","5","1","1") = "5"
    & skf21("5","1","5","6","2","5","2","1") = "5"
    & skf21("5","1","5","6","2","5","3","1") = "5"
    & skf21("5","1","5","6","2","5","4","1") = "5"
    & skf21("5","1","5","6","2","5","5","1") = "5"
    & skf21("5","1","5","6","2","5","6","1") = "5"
    & skf21("5","1","5","6","2","5","7","1") = "6"
    & skf21("5","1","5","6","2","6","1","1") = "5"
    & skf21("5","1","5","6","2","6","2","1") = "5"
    & skf21("5","1","5","6","2","6","3","1") = "5"
    & skf21("5","1","5","6","2","6","4","1") = "5"
    & skf21("5","1","5","6","2","6","5","1") = "5"
    & skf21("5","1","5","6","2","6","6","1") = "5"
    & skf21("5","1","5","6","2","6","7","1") = "6"
    & skf21("5","1","5","6","2","7","1","1") = "6"
    & skf21("5","1","5","6","2","7","2","1") = "6"
    & skf21("5","1","5","6","2","7","3","1") = "6"
    & skf21("5","1","5","6","2","7","4","1") = "6"
    & skf21("5","1","5","6","2","7","5","1") = "6"
    & skf21("5","1","5","6","2","7","6","1") = "6"
    & skf21("5","1","5","6","2","7","7","1") = "6"
    & skf21("5","1","5","6","3","1","1","1") = "5"
    & skf21("5","1","5","6","3","1","2","1") = "5"
    & skf21("5","1","5","6","3","1","3","1") = "5"
    & skf21("5","1","5","6","3","1","4","1") = "5"
    & skf21("5","1","5","6","3","1","5","1") = "5"
    & skf21("5","1","5","6","3","1","6","1") = "5"
    & skf21("5","1","5","6","3","1","7","1") = "6"
    & skf21("5","1","5","6","3","2","1","1") = "5"
    & skf21("5","1","5","6","3","2","2","1") = "5"
    & skf21("5","1","5","6","3","2","3","1") = "5"
    & skf21("5","1","5","6","3","2","4","1") = "5"
    & skf21("5","1","5","6","3","2","5","1") = "5"
    & skf21("5","1","5","6","3","2","6","1") = "5"
    & skf21("5","1","5","6","3","2","7","1") = "6"
    & skf21("5","1","5","6","3","3","1","1") = "5"
    & skf21("5","1","5","6","3","3","2","1") = "5"
    & skf21("5","1","5","6","3","3","3","1") = "5"
    & skf21("5","1","5","6","3","3","4","1") = "5"
    & skf21("5","1","5","6","3","3","5","1") = "5"
    & skf21("5","1","5","6","3","3","6","1") = "5"
    & skf21("5","1","5","6","3","3","7","1") = "6"
    & skf21("5","1","5","6","3","4","1","1") = "5"
    & skf21("5","1","5","6","3","4","2","1") = "5"
    & skf21("5","1","5","6","3","4","3","1") = "5"
    & skf21("5","1","5","6","3","4","4","1") = "5"
    & skf21("5","1","5","6","3","4","5","1") = "5"
    & skf21("5","1","5","6","3","4","6","1") = "5"
    & skf21("5","1","5","6","3","4","7","1") = "6"
    & skf21("5","1","5","6","3","5","1","1") = "5"
    & skf21("5","1","5","6","3","5","2","1") = "5"
    & skf21("5","1","5","6","3","5","3","1") = "5"
    & skf21("5","1","5","6","3","5","4","1") = "5"
    & skf21("5","1","5","6","3","5","5","1") = "5"
    & skf21("5","1","5","6","3","5","6","1") = "5"
    & skf21("5","1","5","6","3","5","7","1") = "6"
    & skf21("5","1","5","6","3","6","1","1") = "5"
    & skf21("5","1","5","6","3","6","2","1") = "5"
    & skf21("5","1","5","6","3","6","3","1") = "5"
    & skf21("5","1","5","6","3","6","4","1") = "5"
    & skf21("5","1","5","6","3","6","5","1") = "5"
    & skf21("5","1","5","6","3","6","6","1") = "5"
    & skf21("5","1","5","6","3","6","7","1") = "6"
    & skf21("5","1","5","6","3","7","1","1") = "6"
    & skf21("5","1","5","6","3","7","2","1") = "6"
    & skf21("5","1","5","6","3","7","3","1") = "6"
    & skf21("5","1","5","6","3","7","4","1") = "6"
    & skf21("5","1","5","6","3","7","5","1") = "6"
    & skf21("5","1","5","6","3","7","6","1") = "6"
    & skf21("5","1","5","6","3","7","7","1") = "6"
    & skf21("5","1","5","6","4","1","1","1") = "5"
    & skf21("5","1","5","6","4","1","2","1") = "5"
    & skf21("5","1","5","6","4","1","3","1") = "5"
    & skf21("5","1","5","6","4","1","4","1") = "5"
    & skf21("5","1","5","6","4","1","5","1") = "5"
    & skf21("5","1","5","6","4","1","6","1") = "5"
    & skf21("5","1","5","6","4","1","7","1") = "6"
    & skf21("5","1","5","6","4","2","1","1") = "5"
    & skf21("5","1","5","6","4","2","2","1") = "5"
    & skf21("5","1","5","6","4","2","3","1") = "5"
    & skf21("5","1","5","6","4","2","4","1") = "5"
    & skf21("5","1","5","6","4","2","5","1") = "5"
    & skf21("5","1","5","6","4","2","6","1") = "5"
    & skf21("5","1","5","6","4","2","7","1") = "6"
    & skf21("5","1","5","6","4","3","1","1") = "5"
    & skf21("5","1","5","6","4","3","2","1") = "5"
    & skf21("5","1","5","6","4","3","3","1") = "5"
    & skf21("5","1","5","6","4","3","4","1") = "5"
    & skf21("5","1","5","6","4","3","5","1") = "5"
    & skf21("5","1","5","6","4","3","6","1") = "5"
    & skf21("5","1","5","6","4","3","7","1") = "6"
    & skf21("5","1","5","6","4","4","1","1") = "5"
    & skf21("5","1","5","6","4","4","2","1") = "5"
    & skf21("5","1","5","6","4","4","3","1") = "5"
    & skf21("5","1","5","6","4","4","4","1") = "5"
    & skf21("5","1","5","6","4","4","5","1") = "5"
    & skf21("5","1","5","6","4","4","6","1") = "5"
    & skf21("5","1","5","6","4","4","7","1") = "6"
    & skf21("5","1","5","6","4","5","1","1") = "5"
    & skf21("5","1","5","6","4","5","2","1") = "5"
    & skf21("5","1","5","6","4","5","3","1") = "5"
    & skf21("5","1","5","6","4","5","4","1") = "5"
    & skf21("5","1","5","6","4","5","5","1") = "5"
    & skf21("5","1","5","6","4","5","6","1") = "5"
    & skf21("5","1","5","6","4","5","7","1") = "6"
    & skf21("5","1","5","6","4","6","1","1") = "5"
    & skf21("5","1","5","6","4","6","2","1") = "5"
    & skf21("5","1","5","6","4","6","3","1") = "5"
    & skf21("5","1","5","6","4","6","4","1") = "5"
    & skf21("5","1","5","6","4","6","5","1") = "5"
    & skf21("5","1","5","6","4","6","6","1") = "5"
    & skf21("5","1","5","6","4","6","7","1") = "6"
    & skf21("5","1","5","6","4","7","1","1") = "6"
    & skf21("5","1","5","6","4","7","2","1") = "6"
    & skf21("5","1","5","6","4","7","3","1") = "6"
    & skf21("5","1","5","6","4","7","4","1") = "6"
    & skf21("5","1","5","6","4","7","5","1") = "6"
    & skf21("5","1","5","6","4","7","6","1") = "6"
    & skf21("5","1","5","6","4","7","7","1") = "6"
    & skf21("5","1","5","6","5","1","1","1") = "5"
    & skf21("5","1","5","6","5","1","2","1") = "5"
    & skf21("5","1","5","6","5","1","3","1") = "5"
    & skf21("5","1","5","6","5","1","4","1") = "5"
    & skf21("5","1","5","6","5","1","5","1") = "5"
    & skf21("5","1","5","6","5","1","6","1") = "5"
    & skf21("5","1","5","6","5","1","7","1") = "6"
    & skf21("5","1","5","6","5","2","1","1") = "5"
    & skf21("5","1","5","6","5","2","2","1") = "5"
    & skf21("5","1","5","6","5","2","3","1") = "5"
    & skf21("5","1","5","6","5","2","4","1") = "5"
    & skf21("5","1","5","6","5","2","5","1") = "5"
    & skf21("5","1","5","6","5","2","6","1") = "5"
    & skf21("5","1","5","6","5","2","7","1") = "6"
    & skf21("5","1","5","6","5","3","1","1") = "5"
    & skf21("5","1","5","6","5","3","2","1") = "5"
    & skf21("5","1","5","6","5","3","3","1") = "5"
    & skf21("5","1","5","6","5","3","4","1") = "5"
    & skf21("5","1","5","6","5","3","5","1") = "5"
    & skf21("5","1","5","6","5","3","6","1") = "5"
    & skf21("5","1","5","6","5","3","7","1") = "6"
    & skf21("5","1","5","6","5","4","1","1") = "5"
    & skf21("5","1","5","6","5","4","2","1") = "5"
    & skf21("5","1","5","6","5","4","3","1") = "5"
    & skf21("5","1","5","6","5","4","4","1") = "5"
    & skf21("5","1","5","6","5","4","5","1") = "5"
    & skf21("5","1","5","6","5","4","6","1") = "5"
    & skf21("5","1","5","6","5","4","7","1") = "6"
    & skf21("5","1","5","6","5","5","1","1") = "5"
    & skf21("5","1","5","6","5","5","2","1") = "5"
    & skf21("5","1","5","6","5","5","3","1") = "5"
    & skf21("5","1","5","6","5","5","4","1") = "5"
    & skf21("5","1","5","6","5","5","5","1") = "5"
    & skf21("5","1","5","6","5","5","6","1") = "5"
    & skf21("5","1","5","6","5","5","7","1") = "6"
    & skf21("5","1","5","6","5","6","1","1") = "5"
    & skf21("5","1","5","6","5","6","2","1") = "5"
    & skf21("5","1","5","6","5","6","3","1") = "5"
    & skf21("5","1","5","6","5","6","4","1") = "5"
    & skf21("5","1","5","6","5","6","5","1") = "5"
    & skf21("5","1","5","6","5","6","6","1") = "5"
    & skf21("5","1","5","6","5","6","7","1") = "6"
    & skf21("5","1","5","6","5","7","1","1") = "6"
    & skf21("5","1","5","6","5","7","2","1") = "6"
    & skf21("5","1","5","6","5","7","3","1") = "6"
    & skf21("5","1","5","6","5","7","4","1") = "6"
    & skf21("5","1","5","6","5","7","5","1") = "6"
    & skf21("5","1","5","6","5","7","6","1") = "6"
    & skf21("5","1","5","6","5","7","7","1") = "6"
    & skf21("5","1","5","6","6","1","1","1") = "5"
    & skf21("5","1","5","6","6","1","2","1") = "5"
    & skf21("5","1","5","6","6","1","3","1") = "5"
    & skf21("5","1","5","6","6","1","4","1") = "5"
    & skf21("5","1","5","6","6","1","5","1") = "5"
    & skf21("5","1","5","6","6","1","6","1") = "5"
    & skf21("5","1","5","6","6","1","7","1") = "6"
    & skf21("5","1","5","6","6","2","1","1") = "5"
    & skf21("5","1","5","6","6","2","2","1") = "5"
    & skf21("5","1","5","6","6","2","3","1") = "5"
    & skf21("5","1","5","6","6","2","4","1") = "5"
    & skf21("5","1","5","6","6","2","5","1") = "5"
    & skf21("5","1","5","6","6","2","6","1") = "5"
    & skf21("5","1","5","6","6","2","7","1") = "6"
    & skf21("5","1","5","6","6","3","1","1") = "5"
    & skf21("5","1","5","6","6","3","2","1") = "5"
    & skf21("5","1","5","6","6","3","3","1") = "5"
    & skf21("5","1","5","6","6","3","4","1") = "5"
    & skf21("5","1","5","6","6","3","5","1") = "5"
    & skf21("5","1","5","6","6","3","6","1") = "5"
    & skf21("5","1","5","6","6","3","7","1") = "6"
    & skf21("5","1","5","6","6","4","1","1") = "5"
    & skf21("5","1","5","6","6","4","2","1") = "5"
    & skf21("5","1","5","6","6","4","3","1") = "5"
    & skf21("5","1","5","6","6","4","4","1") = "5"
    & skf21("5","1","5","6","6","4","5","1") = "5"
    & skf21("5","1","5","6","6","4","6","1") = "5"
    & skf21("5","1","5","6","6","4","7","1") = "6"
    & skf21("5","1","5","6","6","5","1","1") = "5"
    & skf21("5","1","5","6","6","5","2","1") = "5"
    & skf21("5","1","5","6","6","5","3","1") = "5"
    & skf21("5","1","5","6","6","5","4","1") = "5"
    & skf21("5","1","5","6","6","5","5","1") = "5"
    & skf21("5","1","5","6","6","5","6","1") = "5"
    & skf21("5","1","5","6","6","5","7","1") = "6"
    & skf21("5","1","5","6","6","6","1","1") = "5"
    & skf21("5","1","5","6","6","6","2","1") = "5"
    & skf21("5","1","5","6","6","6","3","1") = "5"
    & skf21("5","1","5","6","6","6","4","1") = "5"
    & skf21("5","1","5","6","6","6","5","1") = "5"
    & skf21("5","1","5","6","6","6","6","1") = "5"
    & skf21("5","1","5","6","6","6","7","1") = "6"
    & skf21("5","1","5","6","6","7","1","1") = "6"
    & skf21("5","1","5","6","6","7","2","1") = "6"
    & skf21("5","1","5","6","6","7","3","1") = "6"
    & skf21("5","1","5","6","6","7","4","1") = "6"
    & skf21("5","1","5","6","6","7","5","1") = "6"
    & skf21("5","1","5","6","6","7","6","1") = "6"
    & skf21("5","1","5","6","6","7","7","1") = "6"
    & skf21("5","1","5","6","7","1","1","1") = "6"
    & skf21("5","1","5","6","7","1","2","1") = "6"
    & skf21("5","1","5","6","7","1","3","1") = "6"
    & skf21("5","1","5","6","7","1","4","1") = "6"
    & skf21("5","1","5","6","7","1","5","1") = "6"
    & skf21("5","1","5","6","7","1","6","1") = "6"
    & skf21("5","1","5","6","7","1","7","1") = "6"
    & skf21("5","1","5","6","7","2","1","1") = "6"
    & skf21("5","1","5","6","7","2","2","1") = "6"
    & skf21("5","1","5","6","7","2","3","1") = "6"
    & skf21("5","1","5","6","7","2","4","1") = "6"
    & skf21("5","1","5","6","7","2","5","1") = "6"
    & skf21("5","1","5","6","7","2","6","1") = "6"
    & skf21("5","1","5","6","7","2","7","1") = "6"
    & skf21("5","1","5","6","7","3","1","1") = "6"
    & skf21("5","1","5","6","7","3","2","1") = "6"
    & skf21("5","1","5","6","7","3","3","1") = "6"
    & skf21("5","1","5","6","7","3","4","1") = "6"
    & skf21("5","1","5","6","7","3","5","1") = "6"
    & skf21("5","1","5","6","7","3","6","1") = "6"
    & skf21("5","1","5","6","7","3","7","1") = "6"
    & skf21("5","1","5","6","7","4","1","1") = "6"
    & skf21("5","1","5","6","7","4","2","1") = "6"
    & skf21("5","1","5","6","7","4","3","1") = "6"
    & skf21("5","1","5","6","7","4","4","1") = "6"
    & skf21("5","1","5","6","7","4","5","1") = "6"
    & skf21("5","1","5","6","7","4","6","1") = "6"
    & skf21("5","1","5","6","7","4","7","1") = "6"
    & skf21("5","1","5","6","7","5","1","1") = "6"
    & skf21("5","1","5","6","7","5","2","1") = "6"
    & skf21("5","1","5","6","7","5","3","1") = "6"
    & skf21("5","1","5","6","7","5","4","1") = "6"
    & skf21("5","1","5","6","7","5","5","1") = "6"
    & skf21("5","1","5","6","7","5","6","1") = "6"
    & skf21("5","1","5","6","7","5","7","1") = "6"
    & skf21("5","1","5","6","7","6","1","1") = "6"
    & skf21("5","1","5","6","7","6","2","1") = "6"
    & skf21("5","1","5","6","7","6","3","1") = "6"
    & skf21("5","1","5","6","7","6","4","1") = "6"
    & skf21("5","1","5","6","7","6","5","1") = "6"
    & skf21("5","1","5","6","7","6","6","1") = "6"
    & skf21("5","1","5","6","7","6","7","1") = "6"
    & skf21("5","1","5","6","7","7","1","1") = "6"
    & skf21("5","1","5","6","7","7","2","1") = "6"
    & skf21("5","1","5","6","7","7","3","1") = "6"
    & skf21("5","1","5","6","7","7","4","1") = "6"
    & skf21("5","1","5","6","7","7","5","1") = "6"
    & skf21("5","1","5","6","7","7","6","1") = "6"
    & skf21("5","1","5","6","7","7","7","1") = "6"
    & skf21("5","1","5","7","1","1","1","1") = "6"
    & skf21("5","1","5","7","1","1","2","1") = "6"
    & skf21("5","1","5","7","1","1","3","1") = "6"
    & skf21("5","1","5","7","1","1","4","1") = "6"
    & skf21("5","1","5","7","1","1","5","1") = "6"
    & skf21("5","1","5","7","1","1","6","1") = "6"
    & skf21("5","1","5","7","1","1","7","1") = "6"
    & skf21("5","1","5","7","1","2","1","1") = "6"
    & skf21("5","1","5","7","1","2","2","1") = "6"
    & skf21("5","1","5","7","1","2","3","1") = "6"
    & skf21("5","1","5","7","1","2","4","1") = "6"
    & skf21("5","1","5","7","1","2","5","1") = "6"
    & skf21("5","1","5","7","1","2","6","1") = "6"
    & skf21("5","1","5","7","1","2","7","1") = "6"
    & skf21("5","1","5","7","1","3","1","1") = "6"
    & skf21("5","1","5","7","1","3","2","1") = "6"
    & skf21("5","1","5","7","1","3","3","1") = "6"
    & skf21("5","1","5","7","1","3","4","1") = "6"
    & skf21("5","1","5","7","1","3","5","1") = "6"
    & skf21("5","1","5","7","1","3","6","1") = "6"
    & skf21("5","1","5","7","1","3","7","1") = "6"
    & skf21("5","1","5","7","1","4","1","1") = "6"
    & skf21("5","1","5","7","1","4","2","1") = "6"
    & skf21("5","1","5","7","1","4","3","1") = "6"
    & skf21("5","1","5","7","1","4","4","1") = "6"
    & skf21("5","1","5","7","1","4","5","1") = "6"
    & skf21("5","1","5","7","1","4","6","1") = "6"
    & skf21("5","1","5","7","1","4","7","1") = "6"
    & skf21("5","1","5","7","1","5","1","1") = "6"
    & skf21("5","1","5","7","1","5","2","1") = "6"
    & skf21("5","1","5","7","1","5","3","1") = "6"
    & skf21("5","1","5","7","1","5","4","1") = "6"
    & skf21("5","1","5","7","1","5","5","1") = "6"
    & skf21("5","1","5","7","1","5","6","1") = "6"
    & skf21("5","1","5","7","1","5","7","1") = "6"
    & skf21("5","1","5","7","1","6","1","1") = "6"
    & skf21("5","1","5","7","1","6","2","1") = "6"
    & skf21("5","1","5","7","1","6","3","1") = "6"
    & skf21("5","1","5","7","1","6","4","1") = "6"
    & skf21("5","1","5","7","1","6","5","1") = "6"
    & skf21("5","1","5","7","1","6","6","1") = "6"
    & skf21("5","1","5","7","1","6","7","1") = "6"
    & skf21("5","1","5","7","1","7","1","1") = "6"
    & skf21("5","1","5","7","1","7","2","1") = "6"
    & skf21("5","1","5","7","1","7","3","1") = "6"
    & skf21("5","1","5","7","1","7","4","1") = "6"
    & skf21("5","1","5","7","1","7","5","1") = "6"
    & skf21("5","1","5","7","1","7","6","1") = "6"
    & skf21("5","1","5","7","1","7","7","1") = "6"
    & skf21("5","1","5","7","2","1","1","1") = "6"
    & skf21("5","1","5","7","2","1","2","1") = "6"
    & skf21("5","1","5","7","2","1","3","1") = "6"
    & skf21("5","1","5","7","2","1","4","1") = "6"
    & skf21("5","1","5","7","2","1","5","1") = "6"
    & skf21("5","1","5","7","2","1","6","1") = "6"
    & skf21("5","1","5","7","2","1","7","1") = "6"
    & skf21("5","1","5","7","2","2","1","1") = "6"
    & skf21("5","1","5","7","2","2","2","1") = "6"
    & skf21("5","1","5","7","2","2","3","1") = "6"
    & skf21("5","1","5","7","2","2","4","1") = "6"
    & skf21("5","1","5","7","2","2","5","1") = "6"
    & skf21("5","1","5","7","2","2","6","1") = "6"
    & skf21("5","1","5","7","2","2","7","1") = "6"
    & skf21("5","1","5","7","2","3","1","1") = "6"
    & skf21("5","1","5","7","2","3","2","1") = "6"
    & skf21("5","1","5","7","2","3","3","1") = "6"
    & skf21("5","1","5","7","2","3","4","1") = "6"
    & skf21("5","1","5","7","2","3","5","1") = "6"
    & skf21("5","1","5","7","2","3","6","1") = "6"
    & skf21("5","1","5","7","2","3","7","1") = "6"
    & skf21("5","1","5","7","2","4","1","1") = "6"
    & skf21("5","1","5","7","2","4","2","1") = "6"
    & skf21("5","1","5","7","2","4","3","1") = "6"
    & skf21("5","1","5","7","2","4","4","1") = "6"
    & skf21("5","1","5","7","2","4","5","1") = "6"
    & skf21("5","1","5","7","2","4","6","1") = "6"
    & skf21("5","1","5","7","2","4","7","1") = "6"
    & skf21("5","1","5","7","2","5","1","1") = "6"
    & skf21("5","1","5","7","2","5","2","1") = "6"
    & skf21("5","1","5","7","2","5","3","1") = "6"
    & skf21("5","1","5","7","2","5","4","1") = "6"
    & skf21("5","1","5","7","2","5","5","1") = "6"
    & skf21("5","1","5","7","2","5","6","1") = "6"
    & skf21("5","1","5","7","2","5","7","1") = "6"
    & skf21("5","1","5","7","2","6","1","1") = "6"
    & skf21("5","1","5","7","2","6","2","1") = "6"
    & skf21("5","1","5","7","2","6","3","1") = "6"
    & skf21("5","1","5","7","2","6","4","1") = "6"
    & skf21("5","1","5","7","2","6","5","1") = "6"
    & skf21("5","1","5","7","2","6","6","1") = "6"
    & skf21("5","1","5","7","2","6","7","1") = "6"
    & skf21("5","1","5","7","2","7","1","1") = "6"
    & skf21("5","1","5","7","2","7","2","1") = "6"
    & skf21("5","1","5","7","2","7","3","1") = "6"
    & skf21("5","1","5","7","2","7","4","1") = "6"
    & skf21("5","1","5","7","2","7","5","1") = "6"
    & skf21("5","1","5","7","2","7","6","1") = "6"
    & skf21("5","1","5","7","2","7","7","1") = "6"
    & skf21("5","1","5","7","3","1","1","1") = "6"
    & skf21("5","1","5","7","3","1","2","1") = "6"
    & skf21("5","1","5","7","3","1","3","1") = "6"
    & skf21("5","1","5","7","3","1","4","1") = "6"
    & skf21("5","1","5","7","3","1","5","1") = "6"
    & skf21("5","1","5","7","3","1","6","1") = "6"
    & skf21("5","1","5","7","3","1","7","1") = "6"
    & skf21("5","1","5","7","3","2","1","1") = "6"
    & skf21("5","1","5","7","3","2","2","1") = "6"
    & skf21("5","1","5","7","3","2","3","1") = "6"
    & skf21("5","1","5","7","3","2","4","1") = "6"
    & skf21("5","1","5","7","3","2","5","1") = "6"
    & skf21("5","1","5","7","3","2","6","1") = "6"
    & skf21("5","1","5","7","3","2","7","1") = "6"
    & skf21("5","1","5","7","3","3","1","1") = "6"
    & skf21("5","1","5","7","3","3","2","1") = "6"
    & skf21("5","1","5","7","3","3","3","1") = "6"
    & skf21("5","1","5","7","3","3","4","1") = "6"
    & skf21("5","1","5","7","3","3","5","1") = "6"
    & skf21("5","1","5","7","3","3","6","1") = "6"
    & skf21("5","1","5","7","3","3","7","1") = "6"
    & skf21("5","1","5","7","3","4","1","1") = "6"
    & skf21("5","1","5","7","3","4","2","1") = "6"
    & skf21("5","1","5","7","3","4","3","1") = "6"
    & skf21("5","1","5","7","3","4","4","1") = "6"
    & skf21("5","1","5","7","3","4","5","1") = "6"
    & skf21("5","1","5","7","3","4","6","1") = "6"
    & skf21("5","1","5","7","3","4","7","1") = "6"
    & skf21("5","1","5","7","3","5","1","1") = "6"
    & skf21("5","1","5","7","3","5","2","1") = "6"
    & skf21("5","1","5","7","3","5","3","1") = "6"
    & skf21("5","1","5","7","3","5","4","1") = "6"
    & skf21("5","1","5","7","3","5","5","1") = "6"
    & skf21("5","1","5","7","3","5","6","1") = "6"
    & skf21("5","1","5","7","3","5","7","1") = "6"
    & skf21("5","1","5","7","3","6","1","1") = "6"
    & skf21("5","1","5","7","3","6","2","1") = "6"
    & skf21("5","1","5","7","3","6","3","1") = "6"
    & skf21("5","1","5","7","3","6","4","1") = "6"
    & skf21("5","1","5","7","3","6","5","1") = "6"
    & skf21("5","1","5","7","3","6","6","1") = "6"
    & skf21("5","1","5","7","3","6","7","1") = "6"
    & skf21("5","1","5","7","3","7","1","1") = "6"
    & skf21("5","1","5","7","3","7","2","1") = "6"
    & skf21("5","1","5","7","3","7","3","1") = "6"
    & skf21("5","1","5","7","3","7","4","1") = "6"
    & skf21("5","1","5","7","3","7","5","1") = "6"
    & skf21("5","1","5","7","3","7","6","1") = "6"
    & skf21("5","1","5","7","3","7","7","1") = "6"
    & skf21("5","1","5","7","4","1","1","1") = "6"
    & skf21("5","1","5","7","4","1","2","1") = "6"
    & skf21("5","1","5","7","4","1","3","1") = "6"
    & skf21("5","1","5","7","4","1","4","1") = "6"
    & skf21("5","1","5","7","4","1","5","1") = "6"
    & skf21("5","1","5","7","4","1","6","1") = "6"
    & skf21("5","1","5","7","4","1","7","1") = "6"
    & skf21("5","1","5","7","4","2","1","1") = "6"
    & skf21("5","1","5","7","4","2","2","1") = "6"
    & skf21("5","1","5","7","4","2","3","1") = "6"
    & skf21("5","1","5","7","4","2","4","1") = "6"
    & skf21("5","1","5","7","4","2","5","1") = "6"
    & skf21("5","1","5","7","4","2","6","1") = "6"
    & skf21("5","1","5","7","4","2","7","1") = "6"
    & skf21("5","1","5","7","4","3","1","1") = "6"
    & skf21("5","1","5","7","4","3","2","1") = "6"
    & skf21("5","1","5","7","4","3","3","1") = "6"
    & skf21("5","1","5","7","4","3","4","1") = "6"
    & skf21("5","1","5","7","4","3","5","1") = "6"
    & skf21("5","1","5","7","4","3","6","1") = "6"
    & skf21("5","1","5","7","4","3","7","1") = "6"
    & skf21("5","1","5","7","4","4","1","1") = "6"
    & skf21("5","1","5","7","4","4","2","1") = "6"
    & skf21("5","1","5","7","4","4","3","1") = "6"
    & skf21("5","1","5","7","4","4","4","1") = "6"
    & skf21("5","1","5","7","4","4","5","1") = "6"
    & skf21("5","1","5","7","4","4","6","1") = "6"
    & skf21("5","1","5","7","4","4","7","1") = "6"
    & skf21("5","1","5","7","4","5","1","1") = "6"
    & skf21("5","1","5","7","4","5","2","1") = "6"
    & skf21("5","1","5","7","4","5","3","1") = "6"
    & skf21("5","1","5","7","4","5","4","1") = "6"
    & skf21("5","1","5","7","4","5","5","1") = "6"
    & skf21("5","1","5","7","4","5","6","1") = "6"
    & skf21("5","1","5","7","4","5","7","1") = "6"
    & skf21("5","1","5","7","4","6","1","1") = "6"
    & skf21("5","1","5","7","4","6","2","1") = "6"
    & skf21("5","1","5","7","4","6","3","1") = "6"
    & skf21("5","1","5","7","4","6","4","1") = "6"
    & skf21("5","1","5","7","4","6","5","1") = "6"
    & skf21("5","1","5","7","4","6","6","1") = "6"
    & skf21("5","1","5","7","4","6","7","1") = "6"
    & skf21("5","1","5","7","4","7","1","1") = "6"
    & skf21("5","1","5","7","4","7","2","1") = "6"
    & skf21("5","1","5","7","4","7","3","1") = "6"
    & skf21("5","1","5","7","4","7","4","1") = "6"
    & skf21("5","1","5","7","4","7","5","1") = "6"
    & skf21("5","1","5","7","4","7","6","1") = "6"
    & skf21("5","1","5","7","4","7","7","1") = "6"
    & skf21("5","1","5","7","5","1","1","1") = "6"
    & skf21("5","1","5","7","5","1","2","1") = "6"
    & skf21("5","1","5","7","5","1","3","1") = "6"
    & skf21("5","1","5","7","5","1","4","1") = "6"
    & skf21("5","1","5","7","5","1","5","1") = "6"
    & skf21("5","1","5","7","5","1","6","1") = "6"
    & skf21("5","1","5","7","5","1","7","1") = "6"
    & skf21("5","1","5","7","5","2","1","1") = "6"
    & skf21("5","1","5","7","5","2","2","1") = "6"
    & skf21("5","1","5","7","5","2","3","1") = "6"
    & skf21("5","1","5","7","5","2","4","1") = "6"
    & skf21("5","1","5","7","5","2","5","1") = "6"
    & skf21("5","1","5","7","5","2","6","1") = "6"
    & skf21("5","1","5","7","5","2","7","1") = "6"
    & skf21("5","1","5","7","5","3","1","1") = "6"
    & skf21("5","1","5","7","5","3","2","1") = "6"
    & skf21("5","1","5","7","5","3","3","1") = "6"
    & skf21("5","1","5","7","5","3","4","1") = "6"
    & skf21("5","1","5","7","5","3","5","1") = "6"
    & skf21("5","1","5","7","5","3","6","1") = "6"
    & skf21("5","1","5","7","5","3","7","1") = "6"
    & skf21("5","1","5","7","5","4","1","1") = "6"
    & skf21("5","1","5","7","5","4","2","1") = "6"
    & skf21("5","1","5","7","5","4","3","1") = "6"
    & skf21("5","1","5","7","5","4","4","1") = "6"
    & skf21("5","1","5","7","5","4","5","1") = "6"
    & skf21("5","1","5","7","5","4","6","1") = "6"
    & skf21("5","1","5","7","5","4","7","1") = "6"
    & skf21("5","1","5","7","5","5","1","1") = "6"
    & skf21("5","1","5","7","5","5","2","1") = "6"
    & skf21("5","1","5","7","5","5","3","1") = "6"
    & skf21("5","1","5","7","5","5","4","1") = "6"
    & skf21("5","1","5","7","5","5","5","1") = "6"
    & skf21("5","1","5","7","5","5","6","1") = "6"
    & skf21("5","1","5","7","5","5","7","1") = "6"
    & skf21("5","1","5","7","5","6","1","1") = "6"
    & skf21("5","1","5","7","5","6","2","1") = "6"
    & skf21("5","1","5","7","5","6","3","1") = "6"
    & skf21("5","1","5","7","5","6","4","1") = "6"
    & skf21("5","1","5","7","5","6","5","1") = "6"
    & skf21("5","1","5","7","5","6","6","1") = "6"
    & skf21("5","1","5","7","5","6","7","1") = "6"
    & skf21("5","1","5","7","5","7","1","1") = "6"
    & skf21("5","1","5","7","5","7","2","1") = "6"
    & skf21("5","1","5","7","5","7","3","1") = "6"
    & skf21("5","1","5","7","5","7","4","1") = "6"
    & skf21("5","1","5","7","5","7","5","1") = "6"
    & skf21("5","1","5","7","5","7","6","1") = "6"
    & skf21("5","1","5","7","5","7","7","1") = "6"
    & skf21("5","1","5","7","6","1","1","1") = "6"
    & skf21("5","1","5","7","6","1","2","1") = "6"
    & skf21("5","1","5","7","6","1","3","1") = "6"
    & skf21("5","1","5","7","6","1","4","1") = "6"
    & skf21("5","1","5","7","6","1","5","1") = "6"
    & skf21("5","1","5","7","6","1","6","1") = "6"
    & skf21("5","1","5","7","6","1","7","1") = "6"
    & skf21("5","1","5","7","6","2","1","1") = "6"
    & skf21("5","1","5","7","6","2","2","1") = "6"
    & skf21("5","1","5","7","6","2","3","1") = "6"
    & skf21("5","1","5","7","6","2","4","1") = "6"
    & skf21("5","1","5","7","6","2","5","1") = "6"
    & skf21("5","1","5","7","6","2","6","1") = "6"
    & skf21("5","1","5","7","6","2","7","1") = "6"
    & skf21("5","1","5","7","6","3","1","1") = "6"
    & skf21("5","1","5","7","6","3","2","1") = "6"
    & skf21("5","1","5","7","6","3","3","1") = "6"
    & skf21("5","1","5","7","6","3","4","1") = "6"
    & skf21("5","1","5","7","6","3","5","1") = "6"
    & skf21("5","1","5","7","6","3","6","1") = "6"
    & skf21("5","1","5","7","6","3","7","1") = "6"
    & skf21("5","1","5","7","6","4","1","1") = "6"
    & skf21("5","1","5","7","6","4","2","1") = "6"
    & skf21("5","1","5","7","6","4","3","1") = "6"
    & skf21("5","1","5","7","6","4","4","1") = "6"
    & skf21("5","1","5","7","6","4","5","1") = "6"
    & skf21("5","1","5","7","6","4","6","1") = "6"
    & skf21("5","1","5","7","6","4","7","1") = "6"
    & skf21("5","1","5","7","6","5","1","1") = "6"
    & skf21("5","1","5","7","6","5","2","1") = "6"
    & skf21("5","1","5","7","6","5","3","1") = "6"
    & skf21("5","1","5","7","6","5","4","1") = "6"
    & skf21("5","1","5","7","6","5","5","1") = "6"
    & skf21("5","1","5","7","6","5","6","1") = "6"
    & skf21("5","1","5","7","6","5","7","1") = "6"
    & skf21("5","1","5","7","6","6","1","1") = "6"
    & skf21("5","1","5","7","6","6","2","1") = "6"
    & skf21("5","1","5","7","6","6","3","1") = "6"
    & skf21("5","1","5","7","6","6","4","1") = "6"
    & skf21("5","1","5","7","6","6","5","1") = "6"
    & skf21("5","1","5","7","6","6","6","1") = "6"
    & skf21("5","1","5","7","6","6","7","1") = "6"
    & skf21("5","1","5","7","6","7","1","1") = "6"
    & skf21("5","1","5","7","6","7","2","1") = "6"
    & skf21("5","1","5","7","6","7","3","1") = "6"
    & skf21("5","1","5","7","6","7","4","1") = "6"
    & skf21("5","1","5","7","6","7","5","1") = "6"
    & skf21("5","1","5","7","6","7","6","1") = "6"
    & skf21("5","1","5","7","6","7","7","1") = "6"
    & skf21("5","1","5","7","7","1","1","1") = "6"
    & skf21("5","1","5","7","7","1","2","1") = "6"
    & skf21("5","1","5","7","7","1","3","1") = "6"
    & skf21("5","1","5","7","7","1","4","1") = "6"
    & skf21("5","1","5","7","7","1","5","1") = "6"
    & skf21("5","1","5","7","7","1","6","1") = "6"
    & skf21("5","1","5","7","7","1","7","1") = "6"
    & skf21("5","1","5","7","7","2","1","1") = "6"
    & skf21("5","1","5","7","7","2","2","1") = "6"
    & skf21("5","1","5","7","7","2","3","1") = "6"
    & skf21("5","1","5","7","7","2","4","1") = "6"
    & skf21("5","1","5","7","7","2","5","1") = "6"
    & skf21("5","1","5","7","7","2","6","1") = "6"
    & skf21("5","1","5","7","7","2","7","1") = "6"
    & skf21("5","1","5","7","7","3","1","1") = "6"
    & skf21("5","1","5","7","7","3","2","1") = "6"
    & skf21("5","1","5","7","7","3","3","1") = "6"
    & skf21("5","1","5","7","7","3","4","1") = "6"
    & skf21("5","1","5","7","7","3","5","1") = "6"
    & skf21("5","1","5","7","7","3","6","1") = "6"
    & skf21("5","1","5","7","7","3","7","1") = "6"
    & skf21("5","1","5","7","7","4","1","1") = "6"
    & skf21("5","1","5","7","7","4","2","1") = "6"
    & skf21("5","1","5","7","7","4","3","1") = "6"
    & skf21("5","1","5","7","7","4","4","1") = "6"
    & skf21("5","1","5","7","7","4","5","1") = "6"
    & skf21("5","1","5","7","7","4","6","1") = "6"
    & skf21("5","1","5","7","7","4","7","1") = "6"
    & skf21("5","1","5","7","7","5","1","1") = "6"
    & skf21("5","1","5","7","7","5","2","1") = "6"
    & skf21("5","1","5","7","7","5","3","1") = "6"
    & skf21("5","1","5","7","7","5","4","1") = "6"
    & skf21("5","1","5","7","7","5","5","1") = "6"
    & skf21("5","1","5","7","7","5","6","1") = "6"
    & skf21("5","1","5","7","7","5","7","1") = "6"
    & skf21("5","1","5","7","7","6","1","1") = "6"
    & skf21("5","1","5","7","7","6","2","1") = "6"
    & skf21("5","1","5","7","7","6","3","1") = "6"
    & skf21("5","1","5","7","7","6","4","1") = "6"
    & skf21("5","1","5","7","7","6","5","1") = "6"
    & skf21("5","1","5","7","7","6","6","1") = "6"
    & skf21("5","1","5","7","7","6","7","1") = "6"
    & skf21("5","1","5","7","7","7","1","1") = "6"
    & skf21("5","1","5","7","7","7","2","1") = "6"
    & skf21("5","1","5","7","7","7","3","1") = "6"
    & skf21("5","1","5","7","7","7","4","1") = "6"
    & skf21("5","1","5","7","7","7","5","1") = "6"
    & skf21("5","1","5","7","7","7","6","1") = "6"
    & skf21("5","1","5","7","7","7","7","1") = "6"
    & skf21("5","1","6","1","1","1","1","1") = "5"
    & skf21("5","1","6","1","1","1","2","1") = "5"
    & skf21("5","1","6","1","1","1","3","1") = "5"
    & skf21("5","1","6","1","1","1","4","1") = "5"
    & skf21("5","1","6","1","1","1","5","1") = "5"
    & skf21("5","1","6","1","1","1","6","1") = "5"
    & skf21("5","1","6","1","1","1","7","1") = "6"
    & skf21("5","1","6","1","1","2","1","1") = "5"
    & skf21("5","1","6","1","1","2","2","1") = "5"
    & skf21("5","1","6","1","1","2","3","1") = "5"
    & skf21("5","1","6","1","1","2","4","1") = "5"
    & skf21("5","1","6","1","1","2","5","1") = "5"
    & skf21("5","1","6","1","1","2","6","1") = "5"
    & skf21("5","1","6","1","1","2","7","1") = "6"
    & skf21("5","1","6","1","1","3","1","1") = "5"
    & skf21("5","1","6","1","1","3","2","1") = "5"
    & skf21("5","1","6","1","1","3","3","1") = "5"
    & skf21("5","1","6","1","1","3","4","1") = "5"
    & skf21("5","1","6","1","1","3","5","1") = "5"
    & skf21("5","1","6","1","1","3","6","1") = "5"
    & skf21("5","1","6","1","1","3","7","1") = "6"
    & skf21("5","1","6","1","1","4","1","1") = "5"
    & skf21("5","1","6","1","1","4","2","1") = "5"
    & skf21("5","1","6","1","1","4","3","1") = "5"
    & skf21("5","1","6","1","1","4","4","1") = "5"
    & skf21("5","1","6","1","1","4","5","1") = "5"
    & skf21("5","1","6","1","1","4","6","1") = "5"
    & skf21("5","1","6","1","1","4","7","1") = "6"
    & skf21("5","1","6","1","1","5","1","1") = "5"
    & skf21("5","1","6","1","1","5","2","1") = "5"
    & skf21("5","1","6","1","1","5","3","1") = "5"
    & skf21("5","1","6","1","1","5","4","1") = "5"
    & skf21("5","1","6","1","1","5","5","1") = "5"
    & skf21("5","1","6","1","1","5","6","1") = "5"
    & skf21("5","1","6","1","1","5","7","1") = "6"
    & skf21("5","1","6","1","1","6","1","1") = "5"
    & skf21("5","1","6","1","1","6","2","1") = "5"
    & skf21("5","1","6","1","1","6","3","1") = "5"
    & skf21("5","1","6","1","1","6","4","1") = "5"
    & skf21("5","1","6","1","1","6","5","1") = "5"
    & skf21("5","1","6","1","1","6","6","1") = "5"
    & skf21("5","1","6","1","1","6","7","1") = "6"
    & skf21("5","1","6","1","1","7","1","1") = "6"
    & skf21("5","1","6","1","1","7","2","1") = "6"
    & skf21("5","1","6","1","1","7","3","1") = "6"
    & skf21("5","1","6","1","1","7","4","1") = "6"
    & skf21("5","1","6","1","1","7","5","1") = "6"
    & skf21("5","1","6","1","1","7","6","1") = "6"
    & skf21("5","1","6","1","1","7","7","1") = "6"
    & skf21("5","1","6","1","2","1","1","1") = "5"
    & skf21("5","1","6","1","2","1","2","1") = "5"
    & skf21("5","1","6","1","2","1","3","1") = "5"
    & skf21("5","1","6","1","2","1","4","1") = "5"
    & skf21("5","1","6","1","2","1","5","1") = "5"
    & skf21("5","1","6","1","2","1","6","1") = "5"
    & skf21("5","1","6","1","2","1","7","1") = "6"
    & skf21("5","1","6","1","2","2","1","1") = "5"
    & skf21("5","1","6","1","2","2","2","1") = "5"
    & skf21("5","1","6","1","2","2","3","1") = "5"
    & skf21("5","1","6","1","2","2","4","1") = "5"
    & skf21("5","1","6","1","2","2","5","1") = "5"
    & skf21("5","1","6","1","2","2","6","1") = "5"
    & skf21("5","1","6","1","2","2","7","1") = "6"
    & skf21("5","1","6","1","2","3","1","1") = "5"
    & skf21("5","1","6","1","2","3","2","1") = "5"
    & skf21("5","1","6","1","2","3","3","1") = "5"
    & skf21("5","1","6","1","2","3","4","1") = "5"
    & skf21("5","1","6","1","2","3","5","1") = "5"
    & skf21("5","1","6","1","2","3","6","1") = "5"
    & skf21("5","1","6","1","2","3","7","1") = "6"
    & skf21("5","1","6","1","2","4","1","1") = "5"
    & skf21("5","1","6","1","2","4","2","1") = "5"
    & skf21("5","1","6","1","2","4","3","1") = "5"
    & skf21("5","1","6","1","2","4","4","1") = "5"
    & skf21("5","1","6","1","2","4","5","1") = "5"
    & skf21("5","1","6","1","2","4","6","1") = "5"
    & skf21("5","1","6","1","2","4","7","1") = "6"
    & skf21("5","1","6","1","2","5","1","1") = "5"
    & skf21("5","1","6","1","2","5","2","1") = "5"
    & skf21("5","1","6","1","2","5","3","1") = "5"
    & skf21("5","1","6","1","2","5","4","1") = "5"
    & skf21("5","1","6","1","2","5","5","1") = "5"
    & skf21("5","1","6","1","2","5","6","1") = "5"
    & skf21("5","1","6","1","2","5","7","1") = "6"
    & skf21("5","1","6","1","2","6","1","1") = "5"
    & skf21("5","1","6","1","2","6","2","1") = "5"
    & skf21("5","1","6","1","2","6","3","1") = "5"
    & skf21("5","1","6","1","2","6","4","1") = "5"
    & skf21("5","1","6","1","2","6","5","1") = "5"
    & skf21("5","1","6","1","2","6","6","1") = "5"
    & skf21("5","1","6","1","2","6","7","1") = "6"
    & skf21("5","1","6","1","2","7","1","1") = "6"
    & skf21("5","1","6","1","2","7","2","1") = "6"
    & skf21("5","1","6","1","2","7","3","1") = "6"
    & skf21("5","1","6","1","2","7","4","1") = "6"
    & skf21("5","1","6","1","2","7","5","1") = "6"
    & skf21("5","1","6","1","2","7","6","1") = "6"
    & skf21("5","1","6","1","2","7","7","1") = "6"
    & skf21("5","1","6","1","3","1","1","1") = "5"
    & skf21("5","1","6","1","3","1","2","1") = "5"
    & skf21("5","1","6","1","3","1","3","1") = "5"
    & skf21("5","1","6","1","3","1","4","1") = "5"
    & skf21("5","1","6","1","3","1","5","1") = "5"
    & skf21("5","1","6","1","3","1","6","1") = "5"
    & skf21("5","1","6","1","3","1","7","1") = "6"
    & skf21("5","1","6","1","3","2","1","1") = "5"
    & skf21("5","1","6","1","3","2","2","1") = "5"
    & skf21("5","1","6","1","3","2","3","1") = "5"
    & skf21("5","1","6","1","3","2","4","1") = "5"
    & skf21("5","1","6","1","3","2","5","1") = "5"
    & skf21("5","1","6","1","3","2","6","1") = "5"
    & skf21("5","1","6","1","3","2","7","1") = "6"
    & skf21("5","1","6","1","3","3","1","1") = "5"
    & skf21("5","1","6","1","3","3","2","1") = "5"
    & skf21("5","1","6","1","3","3","3","1") = "5"
    & skf21("5","1","6","1","3","3","4","1") = "5"
    & skf21("5","1","6","1","3","3","5","1") = "5"
    & skf21("5","1","6","1","3","3","6","1") = "5"
    & skf21("5","1","6","1","3","3","7","1") = "6"
    & skf21("5","1","6","1","3","4","1","1") = "5"
    & skf21("5","1","6","1","3","4","2","1") = "5"
    & skf21("5","1","6","1","3","4","3","1") = "5"
    & skf21("5","1","6","1","3","4","4","1") = "5"
    & skf21("5","1","6","1","3","4","5","1") = "5"
    & skf21("5","1","6","1","3","4","6","1") = "5"
    & skf21("5","1","6","1","3","4","7","1") = "6"
    & skf21("5","1","6","1","3","5","1","1") = "5"
    & skf21("5","1","6","1","3","5","2","1") = "5"
    & skf21("5","1","6","1","3","5","3","1") = "5"
    & skf21("5","1","6","1","3","5","4","1") = "5"
    & skf21("5","1","6","1","3","5","5","1") = "5"
    & skf21("5","1","6","1","3","5","6","1") = "5"
    & skf21("5","1","6","1","3","5","7","1") = "6"
    & skf21("5","1","6","1","3","6","1","1") = "5"
    & skf21("5","1","6","1","3","6","2","1") = "5"
    & skf21("5","1","6","1","3","6","3","1") = "5"
    & skf21("5","1","6","1","3","6","4","1") = "5"
    & skf21("5","1","6","1","3","6","5","1") = "5"
    & skf21("5","1","6","1","3","6","6","1") = "5"
    & skf21("5","1","6","1","3","6","7","1") = "6"
    & skf21("5","1","6","1","3","7","1","1") = "6"
    & skf21("5","1","6","1","3","7","2","1") = "6"
    & skf21("5","1","6","1","3","7","3","1") = "6"
    & skf21("5","1","6","1","3","7","4","1") = "6"
    & skf21("5","1","6","1","3","7","5","1") = "6"
    & skf21("5","1","6","1","3","7","6","1") = "6"
    & skf21("5","1","6","1","3","7","7","1") = "6"
    & skf21("5","1","6","1","4","1","1","1") = "5"
    & skf21("5","1","6","1","4","1","2","1") = "5"
    & skf21("5","1","6","1","4","1","3","1") = "5"
    & skf21("5","1","6","1","4","1","4","1") = "5"
    & skf21("5","1","6","1","4","1","5","1") = "5"
    & skf21("5","1","6","1","4","1","6","1") = "5"
    & skf21("5","1","6","1","4","1","7","1") = "6"
    & skf21("5","1","6","1","4","2","1","1") = "5"
    & skf21("5","1","6","1","4","2","2","1") = "5"
    & skf21("5","1","6","1","4","2","3","1") = "5"
    & skf21("5","1","6","1","4","2","4","1") = "5"
    & skf21("5","1","6","1","4","2","5","1") = "5"
    & skf21("5","1","6","1","4","2","6","1") = "5"
    & skf21("5","1","6","1","4","2","7","1") = "6"
    & skf21("5","1","6","1","4","3","1","1") = "5"
    & skf21("5","1","6","1","4","3","2","1") = "5"
    & skf21("5","1","6","1","4","3","3","1") = "5"
    & skf21("5","1","6","1","4","3","4","1") = "5"
    & skf21("5","1","6","1","4","3","5","1") = "5"
    & skf21("5","1","6","1","4","3","6","1") = "5"
    & skf21("5","1","6","1","4","3","7","1") = "6"
    & skf21("5","1","6","1","4","4","1","1") = "5"
    & skf21("5","1","6","1","4","4","2","1") = "5"
    & skf21("5","1","6","1","4","4","3","1") = "5"
    & skf21("5","1","6","1","4","4","4","1") = "5"
    & skf21("5","1","6","1","4","4","5","1") = "5"
    & skf21("5","1","6","1","4","4","6","1") = "5"
    & skf21("5","1","6","1","4","4","7","1") = "6"
    & skf21("5","1","6","1","4","5","1","1") = "5"
    & skf21("5","1","6","1","4","5","2","1") = "5"
    & skf21("5","1","6","1","4","5","3","1") = "5"
    & skf21("5","1","6","1","4","5","4","1") = "5"
    & skf21("5","1","6","1","4","5","5","1") = "5"
    & skf21("5","1","6","1","4","5","6","1") = "5"
    & skf21("5","1","6","1","4","5","7","1") = "6"
    & skf21("5","1","6","1","4","6","1","1") = "5"
    & skf21("5","1","6","1","4","6","2","1") = "5"
    & skf21("5","1","6","1","4","6","3","1") = "5"
    & skf21("5","1","6","1","4","6","4","1") = "5"
    & skf21("5","1","6","1","4","6","5","1") = "5"
    & skf21("5","1","6","1","4","6","6","1") = "5"
    & skf21("5","1","6","1","4","6","7","1") = "6"
    & skf21("5","1","6","1","4","7","1","1") = "6"
    & skf21("5","1","6","1","4","7","2","1") = "6"
    & skf21("5","1","6","1","4","7","3","1") = "6"
    & skf21("5","1","6","1","4","7","4","1") = "6"
    & skf21("5","1","6","1","4","7","5","1") = "6"
    & skf21("5","1","6","1","4","7","6","1") = "6"
    & skf21("5","1","6","1","4","7","7","1") = "6"
    & skf21("5","1","6","1","5","1","1","1") = "5"
    & skf21("5","1","6","1","5","1","2","1") = "5"
    & skf21("5","1","6","1","5","1","3","1") = "5"
    & skf21("5","1","6","1","5","1","4","1") = "5"
    & skf21("5","1","6","1","5","1","5","1") = "5"
    & skf21("5","1","6","1","5","1","6","1") = "5"
    & skf21("5","1","6","1","5","1","7","1") = "6"
    & skf21("5","1","6","1","5","2","1","1") = "5"
    & skf21("5","1","6","1","5","2","2","1") = "5"
    & skf21("5","1","6","1","5","2","3","1") = "5"
    & skf21("5","1","6","1","5","2","4","1") = "5"
    & skf21("5","1","6","1","5","2","5","1") = "5"
    & skf21("5","1","6","1","5","2","6","1") = "5"
    & skf21("5","1","6","1","5","2","7","1") = "6"
    & skf21("5","1","6","1","5","3","1","1") = "5"
    & skf21("5","1","6","1","5","3","2","1") = "5"
    & skf21("5","1","6","1","5","3","3","1") = "5"
    & skf21("5","1","6","1","5","3","4","1") = "5"
    & skf21("5","1","6","1","5","3","5","1") = "5"
    & skf21("5","1","6","1","5","3","6","1") = "5"
    & skf21("5","1","6","1","5","3","7","1") = "6"
    & skf21("5","1","6","1","5","4","1","1") = "5"
    & skf21("5","1","6","1","5","4","2","1") = "5"
    & skf21("5","1","6","1","5","4","3","1") = "5"
    & skf21("5","1","6","1","5","4","4","1") = "5"
    & skf21("5","1","6","1","5","4","5","1") = "5"
    & skf21("5","1","6","1","5","4","6","1") = "5"
    & skf21("5","1","6","1","5","4","7","1") = "6"
    & skf21("5","1","6","1","5","5","1","1") = "5"
    & skf21("5","1","6","1","5","5","2","1") = "5"
    & skf21("5","1","6","1","5","5","3","1") = "5"
    & skf21("5","1","6","1","5","5","4","1") = "5"
    & skf21("5","1","6","1","5","5","5","1") = "5"
    & skf21("5","1","6","1","5","5","6","1") = "5"
    & skf21("5","1","6","1","5","5","7","1") = "6"
    & skf21("5","1","6","1","5","6","1","1") = "5"
    & skf21("5","1","6","1","5","6","2","1") = "5"
    & skf21("5","1","6","1","5","6","3","1") = "5"
    & skf21("5","1","6","1","5","6","4","1") = "5"
    & skf21("5","1","6","1","5","6","5","1") = "5"
    & skf21("5","1","6","1","5","6","6","1") = "5"
    & skf21("5","1","6","1","5","6","7","1") = "6"
    & skf21("5","1","6","1","5","7","1","1") = "6"
    & skf21("5","1","6","1","5","7","2","1") = "6"
    & skf21("5","1","6","1","5","7","3","1") = "6"
    & skf21("5","1","6","1","5","7","4","1") = "6"
    & skf21("5","1","6","1","5","7","5","1") = "6"
    & skf21("5","1","6","1","5","7","6","1") = "6"
    & skf21("5","1","6","1","5","7","7","1") = "6"
    & skf21("5","1","6","1","6","1","1","1") = "5"
    & skf21("5","1","6","1","6","1","2","1") = "5"
    & skf21("5","1","6","1","6","1","3","1") = "5"
    & skf21("5","1","6","1","6","1","4","1") = "5"
    & skf21("5","1","6","1","6","1","5","1") = "5"
    & skf21("5","1","6","1","6","1","6","1") = "5"
    & skf21("5","1","6","1","6","1","7","1") = "6"
    & skf21("5","1","6","1","6","2","1","1") = "5"
    & skf21("5","1","6","1","6","2","2","1") = "5"
    & skf21("5","1","6","1","6","2","3","1") = "5"
    & skf21("5","1","6","1","6","2","4","1") = "5"
    & skf21("5","1","6","1","6","2","5","1") = "5"
    & skf21("5","1","6","1","6","2","6","1") = "5"
    & skf21("5","1","6","1","6","2","7","1") = "6"
    & skf21("5","1","6","1","6","3","1","1") = "5"
    & skf21("5","1","6","1","6","3","2","1") = "5"
    & skf21("5","1","6","1","6","3","3","1") = "5"
    & skf21("5","1","6","1","6","3","4","1") = "5"
    & skf21("5","1","6","1","6","3","5","1") = "5"
    & skf21("5","1","6","1","6","3","6","1") = "5"
    & skf21("5","1","6","1","6","3","7","1") = "6"
    & skf21("5","1","6","1","6","4","1","1") = "5"
    & skf21("5","1","6","1","6","4","2","1") = "5"
    & skf21("5","1","6","1","6","4","3","1") = "5"
    & skf21("5","1","6","1","6","4","4","1") = "5"
    & skf21("5","1","6","1","6","4","5","1") = "5"
    & skf21("5","1","6","1","6","4","6","1") = "5"
    & skf21("5","1","6","1","6","4","7","1") = "6"
    & skf21("5","1","6","1","6","5","1","1") = "5"
    & skf21("5","1","6","1","6","5","2","1") = "5"
    & skf21("5","1","6","1","6","5","3","1") = "5"
    & skf21("5","1","6","1","6","5","4","1") = "5"
    & skf21("5","1","6","1","6","5","5","1") = "5"
    & skf21("5","1","6","1","6","5","6","1") = "5"
    & skf21("5","1","6","1","6","5","7","1") = "6"
    & skf21("5","1","6","1","6","6","1","1") = "5"
    & skf21("5","1","6","1","6","6","2","1") = "5"
    & skf21("5","1","6","1","6","6","3","1") = "5"
    & skf21("5","1","6","1","6","6","4","1") = "5"
    & skf21("5","1","6","1","6","6","5","1") = "5"
    & skf21("5","1","6","1","6","6","6","1") = "5"
    & skf21("5","1","6","1","6","6","7","1") = "6"
    & skf21("5","1","6","1","6","7","1","1") = "6"
    & skf21("5","1","6","1","6","7","2","1") = "6"
    & skf21("5","1","6","1","6","7","3","1") = "6"
    & skf21("5","1","6","1","6","7","4","1") = "6"
    & skf21("5","1","6","1","6","7","5","1") = "6"
    & skf21("5","1","6","1","6","7","6","1") = "6"
    & skf21("5","1","6","1","6","7","7","1") = "6"
    & skf21("5","1","6","1","7","1","1","1") = "6"
    & skf21("5","1","6","1","7","1","2","1") = "6"
    & skf21("5","1","6","1","7","1","3","1") = "6"
    & skf21("5","1","6","1","7","1","4","1") = "6"
    & skf21("5","1","6","1","7","1","5","1") = "6"
    & skf21("5","1","6","1","7","1","6","1") = "6"
    & skf21("5","1","6","1","7","1","7","1") = "6"
    & skf21("5","1","6","1","7","2","1","1") = "6"
    & skf21("5","1","6","1","7","2","2","1") = "6"
    & skf21("5","1","6","1","7","2","3","1") = "6"
    & skf21("5","1","6","1","7","2","4","1") = "6"
    & skf21("5","1","6","1","7","2","5","1") = "6"
    & skf21("5","1","6","1","7","2","6","1") = "6"
    & skf21("5","1","6","1","7","2","7","1") = "6"
    & skf21("5","1","6","1","7","3","1","1") = "6"
    & skf21("5","1","6","1","7","3","2","1") = "6"
    & skf21("5","1","6","1","7","3","3","1") = "6"
    & skf21("5","1","6","1","7","3","4","1") = "6"
    & skf21("5","1","6","1","7","3","5","1") = "6"
    & skf21("5","1","6","1","7","3","6","1") = "6"
    & skf21("5","1","6","1","7","3","7","1") = "6"
    & skf21("5","1","6","1","7","4","1","1") = "6"
    & skf21("5","1","6","1","7","4","2","1") = "6"
    & skf21("5","1","6","1","7","4","3","1") = "6"
    & skf21("5","1","6","1","7","4","4","1") = "6"
    & skf21("5","1","6","1","7","4","5","1") = "6"
    & skf21("5","1","6","1","7","4","6","1") = "6"
    & skf21("5","1","6","1","7","4","7","1") = "6"
    & skf21("5","1","6","1","7","5","1","1") = "6"
    & skf21("5","1","6","1","7","5","2","1") = "6"
    & skf21("5","1","6","1","7","5","3","1") = "6"
    & skf21("5","1","6","1","7","5","4","1") = "6"
    & skf21("5","1","6","1","7","5","5","1") = "6"
    & skf21("5","1","6","1","7","5","6","1") = "6"
    & skf21("5","1","6","1","7","5","7","1") = "6"
    & skf21("5","1","6","1","7","6","1","1") = "6"
    & skf21("5","1","6","1","7","6","2","1") = "6"
    & skf21("5","1","6","1","7","6","3","1") = "6"
    & skf21("5","1","6","1","7","6","4","1") = "6"
    & skf21("5","1","6","1","7","6","5","1") = "6"
    & skf21("5","1","6","1","7","6","6","1") = "6"
    & skf21("5","1","6","1","7","6","7","1") = "6"
    & skf21("5","1","6","1","7","7","1","1") = "6"
    & skf21("5","1","6","1","7","7","2","1") = "6"
    & skf21("5","1","6","1","7","7","3","1") = "6"
    & skf21("5","1","6","1","7","7","4","1") = "6"
    & skf21("5","1","6","1","7","7","5","1") = "6"
    & skf21("5","1","6","1","7","7","6","1") = "6"
    & skf21("5","1","6","1","7","7","7","1") = "6"
    & skf21("5","1","6","2","1","1","1","1") = "5"
    & skf21("5","1","6","2","1","1","2","1") = "5"
    & skf21("5","1","6","2","1","1","3","1") = "5"
    & skf21("5","1","6","2","1","1","4","1") = "5"
    & skf21("5","1","6","2","1","1","5","1") = "5"
    & skf21("5","1","6","2","1","1","6","1") = "5"
    & skf21("5","1","6","2","1","1","7","1") = "6"
    & skf21("5","1","6","2","1","2","1","1") = "5"
    & skf21("5","1","6","2","1","2","2","1") = "5"
    & skf21("5","1","6","2","1","2","3","1") = "5"
    & skf21("5","1","6","2","1","2","4","1") = "5"
    & skf21("5","1","6","2","1","2","5","1") = "5"
    & skf21("5","1","6","2","1","2","6","1") = "5"
    & skf21("5","1","6","2","1","2","7","1") = "6"
    & skf21("5","1","6","2","1","3","1","1") = "5"
    & skf21("5","1","6","2","1","3","2","1") = "5"
    & skf21("5","1","6","2","1","3","3","1") = "5"
    & skf21("5","1","6","2","1","3","4","1") = "5"
    & skf21("5","1","6","2","1","3","5","1") = "5"
    & skf21("5","1","6","2","1","3","6","1") = "5"
    & skf21("5","1","6","2","1","3","7","1") = "6"
    & skf21("5","1","6","2","1","4","1","1") = "5"
    & skf21("5","1","6","2","1","4","2","1") = "5"
    & skf21("5","1","6","2","1","4","3","1") = "5"
    & skf21("5","1","6","2","1","4","4","1") = "5"
    & skf21("5","1","6","2","1","4","5","1") = "5"
    & skf21("5","1","6","2","1","4","6","1") = "5"
    & skf21("5","1","6","2","1","4","7","1") = "6"
    & skf21("5","1","6","2","1","5","1","1") = "5"
    & skf21("5","1","6","2","1","5","2","1") = "5"
    & skf21("5","1","6","2","1","5","3","1") = "5"
    & skf21("5","1","6","2","1","5","4","1") = "5"
    & skf21("5","1","6","2","1","5","5","1") = "5"
    & skf21("5","1","6","2","1","5","6","1") = "5"
    & skf21("5","1","6","2","1","5","7","1") = "6"
    & skf21("5","1","6","2","1","6","1","1") = "5"
    & skf21("5","1","6","2","1","6","2","1") = "5"
    & skf21("5","1","6","2","1","6","3","1") = "5"
    & skf21("5","1","6","2","1","6","4","1") = "5"
    & skf21("5","1","6","2","1","6","5","1") = "5"
    & skf21("5","1","6","2","1","6","6","1") = "5"
    & skf21("5","1","6","2","1","6","7","1") = "6"
    & skf21("5","1","6","2","1","7","1","1") = "6"
    & skf21("5","1","6","2","1","7","2","1") = "6"
    & skf21("5","1","6","2","1","7","3","1") = "6"
    & skf21("5","1","6","2","1","7","4","1") = "6"
    & skf21("5","1","6","2","1","7","5","1") = "6"
    & skf21("5","1","6","2","1","7","6","1") = "6"
    & skf21("5","1","6","2","1","7","7","1") = "6"
    & skf21("5","1","6","2","2","1","1","1") = "5"
    & skf21("5","1","6","2","2","1","2","1") = "5"
    & skf21("5","1","6","2","2","1","3","1") = "5"
    & skf21("5","1","6","2","2","1","4","1") = "5"
    & skf21("5","1","6","2","2","1","5","1") = "5"
    & skf21("5","1","6","2","2","1","6","1") = "5"
    & skf21("5","1","6","2","2","1","7","1") = "6"
    & skf21("5","1","6","2","2","2","1","1") = "5"
    & skf21("5","1","6","2","2","2","2","1") = "5"
    & skf21("5","1","6","2","2","2","3","1") = "5"
    & skf21("5","1","6","2","2","2","4","1") = "5"
    & skf21("5","1","6","2","2","2","5","1") = "5"
    & skf21("5","1","6","2","2","2","6","1") = "5"
    & skf21("5","1","6","2","2","2","7","1") = "6"
    & skf21("5","1","6","2","2","3","1","1") = "5"
    & skf21("5","1","6","2","2","3","2","1") = "5"
    & skf21("5","1","6","2","2","3","3","1") = "5"
    & skf21("5","1","6","2","2","3","4","1") = "5"
    & skf21("5","1","6","2","2","3","5","1") = "5"
    & skf21("5","1","6","2","2","3","6","1") = "5"
    & skf21("5","1","6","2","2","3","7","1") = "6"
    & skf21("5","1","6","2","2","4","1","1") = "5"
    & skf21("5","1","6","2","2","4","2","1") = "5"
    & skf21("5","1","6","2","2","4","3","1") = "5"
    & skf21("5","1","6","2","2","4","4","1") = "5"
    & skf21("5","1","6","2","2","4","5","1") = "5"
    & skf21("5","1","6","2","2","4","6","1") = "5"
    & skf21("5","1","6","2","2","4","7","1") = "6"
    & skf21("5","1","6","2","2","5","1","1") = "5"
    & skf21("5","1","6","2","2","5","2","1") = "5"
    & skf21("5","1","6","2","2","5","3","1") = "5"
    & skf21("5","1","6","2","2","5","4","1") = "5"
    & skf21("5","1","6","2","2","5","5","1") = "5"
    & skf21("5","1","6","2","2","5","6","1") = "5"
    & skf21("5","1","6","2","2","5","7","1") = "6"
    & skf21("5","1","6","2","2","6","1","1") = "5"
    & skf21("5","1","6","2","2","6","2","1") = "5"
    & skf21("5","1","6","2","2","6","3","1") = "5"
    & skf21("5","1","6","2","2","6","4","1") = "5"
    & skf21("5","1","6","2","2","6","5","1") = "5"
    & skf21("5","1","6","2","2","6","6","1") = "5"
    & skf21("5","1","6","2","2","6","7","1") = "6"
    & skf21("5","1","6","2","2","7","1","1") = "6"
    & skf21("5","1","6","2","2","7","2","1") = "6"
    & skf21("5","1","6","2","2","7","3","1") = "6"
    & skf21("5","1","6","2","2","7","4","1") = "6"
    & skf21("5","1","6","2","2","7","5","1") = "6"
    & skf21("5","1","6","2","2","7","6","1") = "6"
    & skf21("5","1","6","2","2","7","7","1") = "6"
    & skf21("5","1","6","2","3","1","1","1") = "5"
    & skf21("5","1","6","2","3","1","2","1") = "5"
    & skf21("5","1","6","2","3","1","3","1") = "5"
    & skf21("5","1","6","2","3","1","4","1") = "5"
    & skf21("5","1","6","2","3","1","5","1") = "5"
    & skf21("5","1","6","2","3","1","6","1") = "5"
    & skf21("5","1","6","2","3","1","7","1") = "6"
    & skf21("5","1","6","2","3","2","1","1") = "5"
    & skf21("5","1","6","2","3","2","2","1") = "5"
    & skf21("5","1","6","2","3","2","3","1") = "5"
    & skf21("5","1","6","2","3","2","4","1") = "5"
    & skf21("5","1","6","2","3","2","5","1") = "5"
    & skf21("5","1","6","2","3","2","6","1") = "5"
    & skf21("5","1","6","2","3","2","7","1") = "6"
    & skf21("5","1","6","2","3","3","1","1") = "5"
    & skf21("5","1","6","2","3","3","2","1") = "5"
    & skf21("5","1","6","2","3","3","3","1") = "5"
    & skf21("5","1","6","2","3","3","4","1") = "5"
    & skf21("5","1","6","2","3","3","5","1") = "5"
    & skf21("5","1","6","2","3","3","6","1") = "5"
    & skf21("5","1","6","2","3","3","7","1") = "6"
    & skf21("5","1","6","2","3","4","1","1") = "5"
    & skf21("5","1","6","2","3","4","2","1") = "5"
    & skf21("5","1","6","2","3","4","3","1") = "5"
    & skf21("5","1","6","2","3","4","4","1") = "5"
    & skf21("5","1","6","2","3","4","5","1") = "5"
    & skf21("5","1","6","2","3","4","6","1") = "5"
    & skf21("5","1","6","2","3","4","7","1") = "6"
    & skf21("5","1","6","2","3","5","1","1") = "5"
    & skf21("5","1","6","2","3","5","2","1") = "5"
    & skf21("5","1","6","2","3","5","3","1") = "5"
    & skf21("5","1","6","2","3","5","4","1") = "5"
    & skf21("5","1","6","2","3","5","5","1") = "5"
    & skf21("5","1","6","2","3","5","6","1") = "5"
    & skf21("5","1","6","2","3","5","7","1") = "6"
    & skf21("5","1","6","2","3","6","1","1") = "5"
    & skf21("5","1","6","2","3","6","2","1") = "5"
    & skf21("5","1","6","2","3","6","3","1") = "5"
    & skf21("5","1","6","2","3","6","4","1") = "5"
    & skf21("5","1","6","2","3","6","5","1") = "5"
    & skf21("5","1","6","2","3","6","6","1") = "5"
    & skf21("5","1","6","2","3","6","7","1") = "6"
    & skf21("5","1","6","2","3","7","1","1") = "6"
    & skf21("5","1","6","2","3","7","2","1") = "6"
    & skf21("5","1","6","2","3","7","3","1") = "6"
    & skf21("5","1","6","2","3","7","4","1") = "6"
    & skf21("5","1","6","2","3","7","5","1") = "6"
    & skf21("5","1","6","2","3","7","6","1") = "6"
    & skf21("5","1","6","2","3","7","7","1") = "6"
    & skf21("5","1","6","2","4","1","1","1") = "5"
    & skf21("5","1","6","2","4","1","2","1") = "5"
    & skf21("5","1","6","2","4","1","3","1") = "5"
    & skf21("5","1","6","2","4","1","4","1") = "5"
    & skf21("5","1","6","2","4","1","5","1") = "5"
    & skf21("5","1","6","2","4","1","6","1") = "5"
    & skf21("5","1","6","2","4","1","7","1") = "6"
    & skf21("5","1","6","2","4","2","1","1") = "5"
    & skf21("5","1","6","2","4","2","2","1") = "5"
    & skf21("5","1","6","2","4","2","3","1") = "5"
    & skf21("5","1","6","2","4","2","4","1") = "5"
    & skf21("5","1","6","2","4","2","5","1") = "5"
    & skf21("5","1","6","2","4","2","6","1") = "5"
    & skf21("5","1","6","2","4","2","7","1") = "6"
    & skf21("5","1","6","2","4","3","1","1") = "5"
    & skf21("5","1","6","2","4","3","2","1") = "5"
    & skf21("5","1","6","2","4","3","3","1") = "5"
    & skf21("5","1","6","2","4","3","4","1") = "5"
    & skf21("5","1","6","2","4","3","5","1") = "5"
    & skf21("5","1","6","2","4","3","6","1") = "5"
    & skf21("5","1","6","2","4","3","7","1") = "6"
    & skf21("5","1","6","2","4","4","1","1") = "5"
    & skf21("5","1","6","2","4","4","2","1") = "5"
    & skf21("5","1","6","2","4","4","3","1") = "5"
    & skf21("5","1","6","2","4","4","4","1") = "5"
    & skf21("5","1","6","2","4","4","5","1") = "5"
    & skf21("5","1","6","2","4","4","6","1") = "5"
    & skf21("5","1","6","2","4","4","7","1") = "6"
    & skf21("5","1","6","2","4","5","1","1") = "5"
    & skf21("5","1","6","2","4","5","2","1") = "5"
    & skf21("5","1","6","2","4","5","3","1") = "5"
    & skf21("5","1","6","2","4","5","4","1") = "5"
    & skf21("5","1","6","2","4","5","5","1") = "5"
    & skf21("5","1","6","2","4","5","6","1") = "5"
    & skf21("5","1","6","2","4","5","7","1") = "6"
    & skf21("5","1","6","2","4","6","1","1") = "5"
    & skf21("5","1","6","2","4","6","2","1") = "5"
    & skf21("5","1","6","2","4","6","3","1") = "5"
    & skf21("5","1","6","2","4","6","4","1") = "5"
    & skf21("5","1","6","2","4","6","5","1") = "5"
    & skf21("5","1","6","2","4","6","6","1") = "5"
    & skf21("5","1","6","2","4","6","7","1") = "6"
    & skf21("5","1","6","2","4","7","1","1") = "6"
    & skf21("5","1","6","2","4","7","2","1") = "6"
    & skf21("5","1","6","2","4","7","3","1") = "6"
    & skf21("5","1","6","2","4","7","4","1") = "6"
    & skf21("5","1","6","2","4","7","5","1") = "6"
    & skf21("5","1","6","2","4","7","6","1") = "6"
    & skf21("5","1","6","2","4","7","7","1") = "6"
    & skf21("5","1","6","2","5","1","1","1") = "5"
    & skf21("5","1","6","2","5","1","2","1") = "5"
    & skf21("5","1","6","2","5","1","3","1") = "5"
    & skf21("5","1","6","2","5","1","4","1") = "5"
    & skf21("5","1","6","2","5","1","5","1") = "5"
    & skf21("5","1","6","2","5","1","6","1") = "5"
    & skf21("5","1","6","2","5","1","7","1") = "6"
    & skf21("5","1","6","2","5","2","1","1") = "5"
    & skf21("5","1","6","2","5","2","2","1") = "5"
    & skf21("5","1","6","2","5","2","3","1") = "5"
    & skf21("5","1","6","2","5","2","4","1") = "5"
    & skf21("5","1","6","2","5","2","5","1") = "5"
    & skf21("5","1","6","2","5","2","6","1") = "5"
    & skf21("5","1","6","2","5","2","7","1") = "6"
    & skf21("5","1","6","2","5","3","1","1") = "5"
    & skf21("5","1","6","2","5","3","2","1") = "5"
    & skf21("5","1","6","2","5","3","3","1") = "5"
    & skf21("5","1","6","2","5","3","4","1") = "5"
    & skf21("5","1","6","2","5","3","5","1") = "5"
    & skf21("5","1","6","2","5","3","6","1") = "5"
    & skf21("5","1","6","2","5","3","7","1") = "6"
    & skf21("5","1","6","2","5","4","1","1") = "5"
    & skf21("5","1","6","2","5","4","2","1") = "5"
    & skf21("5","1","6","2","5","4","3","1") = "5"
    & skf21("5","1","6","2","5","4","4","1") = "5"
    & skf21("5","1","6","2","5","4","5","1") = "5"
    & skf21("5","1","6","2","5","4","6","1") = "5"
    & skf21("5","1","6","2","5","4","7","1") = "6"
    & skf21("5","1","6","2","5","5","1","1") = "5"
    & skf21("5","1","6","2","5","5","2","1") = "5"
    & skf21("5","1","6","2","5","5","3","1") = "5"
    & skf21("5","1","6","2","5","5","4","1") = "5"
    & skf21("5","1","6","2","5","5","5","1") = "5"
    & skf21("5","1","6","2","5","5","6","1") = "5"
    & skf21("5","1","6","2","5","5","7","1") = "6"
    & skf21("5","1","6","2","5","6","1","1") = "5"
    & skf21("5","1","6","2","5","6","2","1") = "5"
    & skf21("5","1","6","2","5","6","3","1") = "5"
    & skf21("5","1","6","2","5","6","4","1") = "5"
    & skf21("5","1","6","2","5","6","5","1") = "5"
    & skf21("5","1","6","2","5","6","6","1") = "5"
    & skf21("5","1","6","2","5","6","7","1") = "6"
    & skf21("5","1","6","2","5","7","1","1") = "6"
    & skf21("5","1","6","2","5","7","2","1") = "6"
    & skf21("5","1","6","2","5","7","3","1") = "6"
    & skf21("5","1","6","2","5","7","4","1") = "6"
    & skf21("5","1","6","2","5","7","5","1") = "6"
    & skf21("5","1","6","2","5","7","6","1") = "6"
    & skf21("5","1","6","2","5","7","7","1") = "6"
    & skf21("5","1","6","2","6","1","1","1") = "5"
    & skf21("5","1","6","2","6","1","2","1") = "5"
    & skf21("5","1","6","2","6","1","3","1") = "5"
    & skf21("5","1","6","2","6","1","4","1") = "5"
    & skf21("5","1","6","2","6","1","5","1") = "5"
    & skf21("5","1","6","2","6","1","6","1") = "5"
    & skf21("5","1","6","2","6","1","7","1") = "6"
    & skf21("5","1","6","2","6","2","1","1") = "5"
    & skf21("5","1","6","2","6","2","2","1") = "5"
    & skf21("5","1","6","2","6","2","3","1") = "5"
    & skf21("5","1","6","2","6","2","4","1") = "5"
    & skf21("5","1","6","2","6","2","5","1") = "5"
    & skf21("5","1","6","2","6","2","6","1") = "5"
    & skf21("5","1","6","2","6","2","7","1") = "6"
    & skf21("5","1","6","2","6","3","1","1") = "5"
    & skf21("5","1","6","2","6","3","2","1") = "5"
    & skf21("5","1","6","2","6","3","3","1") = "5"
    & skf21("5","1","6","2","6","3","4","1") = "5"
    & skf21("5","1","6","2","6","3","5","1") = "5"
    & skf21("5","1","6","2","6","3","6","1") = "5"
    & skf21("5","1","6","2","6","3","7","1") = "6"
    & skf21("5","1","6","2","6","4","1","1") = "5"
    & skf21("5","1","6","2","6","4","2","1") = "5"
    & skf21("5","1","6","2","6","4","3","1") = "5"
    & skf21("5","1","6","2","6","4","4","1") = "5"
    & skf21("5","1","6","2","6","4","5","1") = "5"
    & skf21("5","1","6","2","6","4","6","1") = "5"
    & skf21("5","1","6","2","6","4","7","1") = "6"
    & skf21("5","1","6","2","6","5","1","1") = "5"
    & skf21("5","1","6","2","6","5","2","1") = "5"
    & skf21("5","1","6","2","6","5","3","1") = "5"
    & skf21("5","1","6","2","6","5","4","1") = "5"
    & skf21("5","1","6","2","6","5","5","1") = "5"
    & skf21("5","1","6","2","6","5","6","1") = "5"
    & skf21("5","1","6","2","6","5","7","1") = "6"
    & skf21("5","1","6","2","6","6","1","1") = "5"
    & skf21("5","1","6","2","6","6","2","1") = "5"
    & skf21("5","1","6","2","6","6","3","1") = "5"
    & skf21("5","1","6","2","6","6","4","1") = "5"
    & skf21("5","1","6","2","6","6","5","1") = "5"
    & skf21("5","1","6","2","6","6","6","1") = "5"
    & skf21("5","1","6","2","6","6","7","1") = "6"
    & skf21("5","1","6","2","6","7","1","1") = "6"
    & skf21("5","1","6","2","6","7","2","1") = "6"
    & skf21("5","1","6","2","6","7","3","1") = "6"
    & skf21("5","1","6","2","6","7","4","1") = "6"
    & skf21("5","1","6","2","6","7","5","1") = "6"
    & skf21("5","1","6","2","6","7","6","1") = "6"
    & skf21("5","1","6","2","6","7","7","1") = "6"
    & skf21("5","1","6","2","7","1","1","1") = "6"
    & skf21("5","1","6","2","7","1","2","1") = "6"
    & skf21("5","1","6","2","7","1","3","1") = "6"
    & skf21("5","1","6","2","7","1","4","1") = "6"
    & skf21("5","1","6","2","7","1","5","1") = "6"
    & skf21("5","1","6","2","7","1","6","1") = "6"
    & skf21("5","1","6","2","7","1","7","1") = "6"
    & skf21("5","1","6","2","7","2","1","1") = "6"
    & skf21("5","1","6","2","7","2","2","1") = "6"
    & skf21("5","1","6","2","7","2","3","1") = "6"
    & skf21("5","1","6","2","7","2","4","1") = "6"
    & skf21("5","1","6","2","7","2","5","1") = "6"
    & skf21("5","1","6","2","7","2","6","1") = "6"
    & skf21("5","1","6","2","7","2","7","1") = "6"
    & skf21("5","1","6","2","7","3","1","1") = "6"
    & skf21("5","1","6","2","7","3","2","1") = "6"
    & skf21("5","1","6","2","7","3","3","1") = "6"
    & skf21("5","1","6","2","7","3","4","1") = "6"
    & skf21("5","1","6","2","7","3","5","1") = "6"
    & skf21("5","1","6","2","7","3","6","1") = "6"
    & skf21("5","1","6","2","7","3","7","1") = "6"
    & skf21("5","1","6","2","7","4","1","1") = "6"
    & skf21("5","1","6","2","7","4","2","1") = "6"
    & skf21("5","1","6","2","7","4","3","1") = "6"
    & skf21("5","1","6","2","7","4","4","1") = "6"
    & skf21("5","1","6","2","7","4","5","1") = "6"
    & skf21("5","1","6","2","7","4","6","1") = "6"
    & skf21("5","1","6","2","7","4","7","1") = "6"
    & skf21("5","1","6","2","7","5","1","1") = "6"
    & skf21("5","1","6","2","7","5","2","1") = "6"
    & skf21("5","1","6","2","7","5","3","1") = "6"
    & skf21("5","1","6","2","7","5","4","1") = "6"
    & skf21("5","1","6","2","7","5","5","1") = "6"
    & skf21("5","1","6","2","7","5","6","1") = "6"
    & skf21("5","1","6","2","7","5","7","1") = "6"
    & skf21("5","1","6","2","7","6","1","1") = "6"
    & skf21("5","1","6","2","7","6","2","1") = "6"
    & skf21("5","1","6","2","7","6","3","1") = "6"
    & skf21("5","1","6","2","7","6","4","1") = "6"
    & skf21("5","1","6","2","7","6","5","1") = "6"
    & skf21("5","1","6","2","7","6","6","1") = "6"
    & skf21("5","1","6","2","7","6","7","1") = "6"
    & skf21("5","1","6","2","7","7","1","1") = "6"
    & skf21("5","1","6","2","7","7","2","1") = "6"
    & skf21("5","1","6","2","7","7","3","1") = "6"
    & skf21("5","1","6","2","7","7","4","1") = "6"
    & skf21("5","1","6","2","7","7","5","1") = "6"
    & skf21("5","1","6","2","7","7","6","1") = "6"
    & skf21("5","1","6","2","7","7","7","1") = "6"
    & skf21("5","1","6","3","1","1","1","1") = "5"
    & skf21("5","1","6","3","1","1","2","1") = "5"
    & skf21("5","1","6","3","1","1","3","1") = "5"
    & skf21("5","1","6","3","1","1","4","1") = "5"
    & skf21("5","1","6","3","1","1","5","1") = "5"
    & skf21("5","1","6","3","1","1","6","1") = "5"
    & skf21("5","1","6","3","1","1","7","1") = "6"
    & skf21("5","1","6","3","1","2","1","1") = "5"
    & skf21("5","1","6","3","1","2","2","1") = "5"
    & skf21("5","1","6","3","1","2","3","1") = "5"
    & skf21("5","1","6","3","1","2","4","1") = "5"
    & skf21("5","1","6","3","1","2","5","1") = "5"
    & skf21("5","1","6","3","1","2","6","1") = "5"
    & skf21("5","1","6","3","1","2","7","1") = "6"
    & skf21("5","1","6","3","1","3","1","1") = "5"
    & skf21("5","1","6","3","1","3","2","1") = "5"
    & skf21("5","1","6","3","1","3","3","1") = "5"
    & skf21("5","1","6","3","1","3","4","1") = "5"
    & skf21("5","1","6","3","1","3","5","1") = "5"
    & skf21("5","1","6","3","1","3","6","1") = "5"
    & skf21("5","1","6","3","1","3","7","1") = "6"
    & skf21("5","1","6","3","1","4","1","1") = "5"
    & skf21("5","1","6","3","1","4","2","1") = "5"
    & skf21("5","1","6","3","1","4","3","1") = "5"
    & skf21("5","1","6","3","1","4","4","1") = "5"
    & skf21("5","1","6","3","1","4","5","1") = "5"
    & skf21("5","1","6","3","1","4","6","1") = "5"
    & skf21("5","1","6","3","1","4","7","1") = "6"
    & skf21("5","1","6","3","1","5","1","1") = "5"
    & skf21("5","1","6","3","1","5","2","1") = "5"
    & skf21("5","1","6","3","1","5","3","1") = "5"
    & skf21("5","1","6","3","1","5","4","1") = "5"
    & skf21("5","1","6","3","1","5","5","1") = "5"
    & skf21("5","1","6","3","1","5","6","1") = "5"
    & skf21("5","1","6","3","1","5","7","1") = "6"
    & skf21("5","1","6","3","1","6","1","1") = "5"
    & skf21("5","1","6","3","1","6","2","1") = "5"
    & skf21("5","1","6","3","1","6","3","1") = "5"
    & skf21("5","1","6","3","1","6","4","1") = "5"
    & skf21("5","1","6","3","1","6","5","1") = "5"
    & skf21("5","1","6","3","1","6","6","1") = "5"
    & skf21("5","1","6","3","1","6","7","1") = "6"
    & skf21("5","1","6","3","1","7","1","1") = "6"
    & skf21("5","1","6","3","1","7","2","1") = "6"
    & skf21("5","1","6","3","1","7","3","1") = "6"
    & skf21("5","1","6","3","1","7","4","1") = "6"
    & skf21("5","1","6","3","1","7","5","1") = "6"
    & skf21("5","1","6","3","1","7","6","1") = "6"
    & skf21("5","1","6","3","1","7","7","1") = "6"
    & skf21("5","1","6","3","2","1","1","1") = "5"
    & skf21("5","1","6","3","2","1","2","1") = "5"
    & skf21("5","1","6","3","2","1","3","1") = "5"
    & skf21("5","1","6","3","2","1","4","1") = "5"
    & skf21("5","1","6","3","2","1","5","1") = "5"
    & skf21("5","1","6","3","2","1","6","1") = "5"
    & skf21("5","1","6","3","2","1","7","1") = "6"
    & skf21("5","1","6","3","2","2","1","1") = "5"
    & skf21("5","1","6","3","2","2","2","1") = "5"
    & skf21("5","1","6","3","2","2","3","1") = "5"
    & skf21("5","1","6","3","2","2","4","1") = "5"
    & skf21("5","1","6","3","2","2","5","1") = "5"
    & skf21("5","1","6","3","2","2","6","1") = "5"
    & skf21("5","1","6","3","2","2","7","1") = "6"
    & skf21("5","1","6","3","2","3","1","1") = "5"
    & skf21("5","1","6","3","2","3","2","1") = "5"
    & skf21("5","1","6","3","2","3","3","1") = "5"
    & skf21("5","1","6","3","2","3","4","1") = "5"
    & skf21("5","1","6","3","2","3","5","1") = "5"
    & skf21("5","1","6","3","2","3","6","1") = "5"
    & skf21("5","1","6","3","2","3","7","1") = "6"
    & skf21("5","1","6","3","2","4","1","1") = "5"
    & skf21("5","1","6","3","2","4","2","1") = "5"
    & skf21("5","1","6","3","2","4","3","1") = "5"
    & skf21("5","1","6","3","2","4","4","1") = "5"
    & skf21("5","1","6","3","2","4","5","1") = "5"
    & skf21("5","1","6","3","2","4","6","1") = "5"
    & skf21("5","1","6","3","2","4","7","1") = "6"
    & skf21("5","1","6","3","2","5","1","1") = "5"
    & skf21("5","1","6","3","2","5","2","1") = "5"
    & skf21("5","1","6","3","2","5","3","1") = "5"
    & skf21("5","1","6","3","2","5","4","1") = "5"
    & skf21("5","1","6","3","2","5","5","1") = "5"
    & skf21("5","1","6","3","2","5","6","1") = "5"
    & skf21("5","1","6","3","2","5","7","1") = "6"
    & skf21("5","1","6","3","2","6","1","1") = "5"
    & skf21("5","1","6","3","2","6","2","1") = "5"
    & skf21("5","1","6","3","2","6","3","1") = "5"
    & skf21("5","1","6","3","2","6","4","1") = "5"
    & skf21("5","1","6","3","2","6","5","1") = "5"
    & skf21("5","1","6","3","2","6","6","1") = "5"
    & skf21("5","1","6","3","2","6","7","1") = "6"
    & skf21("5","1","6","3","2","7","1","1") = "6"
    & skf21("5","1","6","3","2","7","2","1") = "6"
    & skf21("5","1","6","3","2","7","3","1") = "6"
    & skf21("5","1","6","3","2","7","4","1") = "6"
    & skf21("5","1","6","3","2","7","5","1") = "6"
    & skf21("5","1","6","3","2","7","6","1") = "6"
    & skf21("5","1","6","3","2","7","7","1") = "6"
    & skf21("5","1","6","3","3","1","1","1") = "5"
    & skf21("5","1","6","3","3","1","2","1") = "5"
    & skf21("5","1","6","3","3","1","3","1") = "5"
    & skf21("5","1","6","3","3","1","4","1") = "5"
    & skf21("5","1","6","3","3","1","5","1") = "5"
    & skf21("5","1","6","3","3","1","6","1") = "5"
    & skf21("5","1","6","3","3","1","7","1") = "6"
    & skf21("5","1","6","3","3","2","1","1") = "5"
    & skf21("5","1","6","3","3","2","2","1") = "5"
    & skf21("5","1","6","3","3","2","3","1") = "5"
    & skf21("5","1","6","3","3","2","4","1") = "5"
    & skf21("5","1","6","3","3","2","5","1") = "5"
    & skf21("5","1","6","3","3","2","6","1") = "5"
    & skf21("5","1","6","3","3","2","7","1") = "6"
    & skf21("5","1","6","3","3","3","1","1") = "5"
    & skf21("5","1","6","3","3","3","2","1") = "5"
    & skf21("5","1","6","3","3","3","3","1") = "5"
    & skf21("5","1","6","3","3","3","4","1") = "5"
    & skf21("5","1","6","3","3","3","5","1") = "5"
    & skf21("5","1","6","3","3","3","6","1") = "5"
    & skf21("5","1","6","3","3","3","7","1") = "6"
    & skf21("5","1","6","3","3","4","1","1") = "5"
    & skf21("5","1","6","3","3","4","2","1") = "5"
    & skf21("5","1","6","3","3","4","3","1") = "5"
    & skf21("5","1","6","3","3","4","4","1") = "5"
    & skf21("5","1","6","3","3","4","5","1") = "5"
    & skf21("5","1","6","3","3","4","6","1") = "5"
    & skf21("5","1","6","3","3","4","7","1") = "6"
    & skf21("5","1","6","3","3","5","1","1") = "5"
    & skf21("5","1","6","3","3","5","2","1") = "5"
    & skf21("5","1","6","3","3","5","3","1") = "5"
    & skf21("5","1","6","3","3","5","4","1") = "5"
    & skf21("5","1","6","3","3","5","5","1") = "5"
    & skf21("5","1","6","3","3","5","6","1") = "5"
    & skf21("5","1","6","3","3","5","7","1") = "6"
    & skf21("5","1","6","3","3","6","1","1") = "5"
    & skf21("5","1","6","3","3","6","2","1") = "5"
    & skf21("5","1","6","3","3","6","3","1") = "5"
    & skf21("5","1","6","3","3","6","4","1") = "5"
    & skf21("5","1","6","3","3","6","5","1") = "5"
    & skf21("5","1","6","3","3","6","6","1") = "5"
    & skf21("5","1","6","3","3","6","7","1") = "6"
    & skf21("5","1","6","3","3","7","1","1") = "6"
    & skf21("5","1","6","3","3","7","2","1") = "6"
    & skf21("5","1","6","3","3","7","3","1") = "6"
    & skf21("5","1","6","3","3","7","4","1") = "6"
    & skf21("5","1","6","3","3","7","5","1") = "6"
    & skf21("5","1","6","3","3","7","6","1") = "6"
    & skf21("5","1","6","3","3","7","7","1") = "6"
    & skf21("5","1","6","3","4","1","1","1") = "5"
    & skf21("5","1","6","3","4","1","2","1") = "5"
    & skf21("5","1","6","3","4","1","3","1") = "5"
    & skf21("5","1","6","3","4","1","4","1") = "5"
    & skf21("5","1","6","3","4","1","5","1") = "5"
    & skf21("5","1","6","3","4","1","6","1") = "5"
    & skf21("5","1","6","3","4","1","7","1") = "6"
    & skf21("5","1","6","3","4","2","1","1") = "5"
    & skf21("5","1","6","3","4","2","2","1") = "5"
    & skf21("5","1","6","3","4","2","3","1") = "5"
    & skf21("5","1","6","3","4","2","4","1") = "5"
    & skf21("5","1","6","3","4","2","5","1") = "5"
    & skf21("5","1","6","3","4","2","6","1") = "5"
    & skf21("5","1","6","3","4","2","7","1") = "6"
    & skf21("5","1","6","3","4","3","1","1") = "5"
    & skf21("5","1","6","3","4","3","2","1") = "5"
    & skf21("5","1","6","3","4","3","3","1") = "5"
    & skf21("5","1","6","3","4","3","4","1") = "5"
    & skf21("5","1","6","3","4","3","5","1") = "5"
    & skf21("5","1","6","3","4","3","6","1") = "5"
    & skf21("5","1","6","3","4","3","7","1") = "6"
    & skf21("5","1","6","3","4","4","1","1") = "5"
    & skf21("5","1","6","3","4","4","2","1") = "5"
    & skf21("5","1","6","3","4","4","3","1") = "5"
    & skf21("5","1","6","3","4","4","4","1") = "5"
    & skf21("5","1","6","3","4","4","5","1") = "5"
    & skf21("5","1","6","3","4","4","6","1") = "5"
    & skf21("5","1","6","3","4","4","7","1") = "6"
    & skf21("5","1","6","3","4","5","1","1") = "5"
    & skf21("5","1","6","3","4","5","2","1") = "5"
    & skf21("5","1","6","3","4","5","3","1") = "5"
    & skf21("5","1","6","3","4","5","4","1") = "5"
    & skf21("5","1","6","3","4","5","5","1") = "5"
    & skf21("5","1","6","3","4","5","6","1") = "5"
    & skf21("5","1","6","3","4","5","7","1") = "6"
    & skf21("5","1","6","3","4","6","1","1") = "5"
    & skf21("5","1","6","3","4","6","2","1") = "5"
    & skf21("5","1","6","3","4","6","3","1") = "5"
    & skf21("5","1","6","3","4","6","4","1") = "5"
    & skf21("5","1","6","3","4","6","5","1") = "5"
    & skf21("5","1","6","3","4","6","6","1") = "5"
    & skf21("5","1","6","3","4","6","7","1") = "6"
    & skf21("5","1","6","3","4","7","1","1") = "6"
    & skf21("5","1","6","3","4","7","2","1") = "6"
    & skf21("5","1","6","3","4","7","3","1") = "6"
    & skf21("5","1","6","3","4","7","4","1") = "6"
    & skf21("5","1","6","3","4","7","5","1") = "6"
    & skf21("5","1","6","3","4","7","6","1") = "6"
    & skf21("5","1","6","3","4","7","7","1") = "6"
    & skf21("5","1","6","3","5","1","1","1") = "5"
    & skf21("5","1","6","3","5","1","2","1") = "5"
    & skf21("5","1","6","3","5","1","3","1") = "5"
    & skf21("5","1","6","3","5","1","4","1") = "5"
    & skf21("5","1","6","3","5","1","5","1") = "5"
    & skf21("5","1","6","3","5","1","6","1") = "5"
    & skf21("5","1","6","3","5","1","7","1") = "6"
    & skf21("5","1","6","3","5","2","1","1") = "5"
    & skf21("5","1","6","3","5","2","2","1") = "5"
    & skf21("5","1","6","3","5","2","3","1") = "5"
    & skf21("5","1","6","3","5","2","4","1") = "5"
    & skf21("5","1","6","3","5","2","5","1") = "5"
    & skf21("5","1","6","3","5","2","6","1") = "5"
    & skf21("5","1","6","3","5","2","7","1") = "6"
    & skf21("5","1","6","3","5","3","1","1") = "5"
    & skf21("5","1","6","3","5","3","2","1") = "5"
    & skf21("5","1","6","3","5","3","3","1") = "5"
    & skf21("5","1","6","3","5","3","4","1") = "5"
    & skf21("5","1","6","3","5","3","5","1") = "5"
    & skf21("5","1","6","3","5","3","6","1") = "5"
    & skf21("5","1","6","3","5","3","7","1") = "6"
    & skf21("5","1","6","3","5","4","1","1") = "5"
    & skf21("5","1","6","3","5","4","2","1") = "5"
    & skf21("5","1","6","3","5","4","3","1") = "5"
    & skf21("5","1","6","3","5","4","4","1") = "5"
    & skf21("5","1","6","3","5","4","5","1") = "5"
    & skf21("5","1","6","3","5","4","6","1") = "5"
    & skf21("5","1","6","3","5","4","7","1") = "6"
    & skf21("5","1","6","3","5","5","1","1") = "5"
    & skf21("5","1","6","3","5","5","2","1") = "5"
    & skf21("5","1","6","3","5","5","3","1") = "5"
    & skf21("5","1","6","3","5","5","4","1") = "5"
    & skf21("5","1","6","3","5","5","5","1") = "5"
    & skf21("5","1","6","3","5","5","6","1") = "5"
    & skf21("5","1","6","3","5","5","7","1") = "6"
    & skf21("5","1","6","3","5","6","1","1") = "5"
    & skf21("5","1","6","3","5","6","2","1") = "5"
    & skf21("5","1","6","3","5","6","3","1") = "5"
    & skf21("5","1","6","3","5","6","4","1") = "5"
    & skf21("5","1","6","3","5","6","5","1") = "5"
    & skf21("5","1","6","3","5","6","6","1") = "5"
    & skf21("5","1","6","3","5","6","7","1") = "6"
    & skf21("5","1","6","3","5","7","1","1") = "6"
    & skf21("5","1","6","3","5","7","2","1") = "6"
    & skf21("5","1","6","3","5","7","3","1") = "6"
    & skf21("5","1","6","3","5","7","4","1") = "6"
    & skf21("5","1","6","3","5","7","5","1") = "6"
    & skf21("5","1","6","3","5","7","6","1") = "6"
    & skf21("5","1","6","3","5","7","7","1") = "6"
    & skf21("5","1","6","3","6","1","1","1") = "5"
    & skf21("5","1","6","3","6","1","2","1") = "5"
    & skf21("5","1","6","3","6","1","3","1") = "5"
    & skf21("5","1","6","3","6","1","4","1") = "5"
    & skf21("5","1","6","3","6","1","5","1") = "5"
    & skf21("5","1","6","3","6","1","6","1") = "5"
    & skf21("5","1","6","3","6","1","7","1") = "6"
    & skf21("5","1","6","3","6","2","1","1") = "5"
    & skf21("5","1","6","3","6","2","2","1") = "5"
    & skf21("5","1","6","3","6","2","3","1") = "5"
    & skf21("5","1","6","3","6","2","4","1") = "5"
    & skf21("5","1","6","3","6","2","5","1") = "5"
    & skf21("5","1","6","3","6","2","6","1") = "5"
    & skf21("5","1","6","3","6","2","7","1") = "6"
    & skf21("5","1","6","3","6","3","1","1") = "5"
    & skf21("5","1","6","3","6","3","2","1") = "5"
    & skf21("5","1","6","3","6","3","3","1") = "5"
    & skf21("5","1","6","3","6","3","4","1") = "5"
    & skf21("5","1","6","3","6","3","5","1") = "5"
    & skf21("5","1","6","3","6","3","6","1") = "5"
    & skf21("5","1","6","3","6","3","7","1") = "6"
    & skf21("5","1","6","3","6","4","1","1") = "5"
    & skf21("5","1","6","3","6","4","2","1") = "5"
    & skf21("5","1","6","3","6","4","3","1") = "5"
    & skf21("5","1","6","3","6","4","4","1") = "5"
    & skf21("5","1","6","3","6","4","5","1") = "5"
    & skf21("5","1","6","3","6","4","6","1") = "5"
    & skf21("5","1","6","3","6","4","7","1") = "6"
    & skf21("5","1","6","3","6","5","1","1") = "5"
    & skf21("5","1","6","3","6","5","2","1") = "5"
    & skf21("5","1","6","3","6","5","3","1") = "5"
    & skf21("5","1","6","3","6","5","4","1") = "5"
    & skf21("5","1","6","3","6","5","5","1") = "5"
    & skf21("5","1","6","3","6","5","6","1") = "5"
    & skf21("5","1","6","3","6","5","7","1") = "6"
    & skf21("5","1","6","3","6","6","1","1") = "5"
    & skf21("5","1","6","3","6","6","2","1") = "5"
    & skf21("5","1","6","3","6","6","3","1") = "5"
    & skf21("5","1","6","3","6","6","4","1") = "5"
    & skf21("5","1","6","3","6","6","5","1") = "5"
    & skf21("5","1","6","3","6","6","6","1") = "5"
    & skf21("5","1","6","3","6","6","7","1") = "6"
    & skf21("5","1","6","3","6","7","1","1") = "6"
    & skf21("5","1","6","3","6","7","2","1") = "6"
    & skf21("5","1","6","3","6","7","3","1") = "6"
    & skf21("5","1","6","3","6","7","4","1") = "6"
    & skf21("5","1","6","3","6","7","5","1") = "6"
    & skf21("5","1","6","3","6","7","6","1") = "6"
    & skf21("5","1","6","3","6","7","7","1") = "6"
    & skf21("5","1","6","3","7","1","1","1") = "6"
    & skf21("5","1","6","3","7","1","2","1") = "6"
    & skf21("5","1","6","3","7","1","3","1") = "6"
    & skf21("5","1","6","3","7","1","4","1") = "6"
    & skf21("5","1","6","3","7","1","5","1") = "6"
    & skf21("5","1","6","3","7","1","6","1") = "6"
    & skf21("5","1","6","3","7","1","7","1") = "6"
    & skf21("5","1","6","3","7","2","1","1") = "6"
    & skf21("5","1","6","3","7","2","2","1") = "6"
    & skf21("5","1","6","3","7","2","3","1") = "6"
    & skf21("5","1","6","3","7","2","4","1") = "6"
    & skf21("5","1","6","3","7","2","5","1") = "6"
    & skf21("5","1","6","3","7","2","6","1") = "6"
    & skf21("5","1","6","3","7","2","7","1") = "6"
    & skf21("5","1","6","3","7","3","1","1") = "6"
    & skf21("5","1","6","3","7","3","2","1") = "6"
    & skf21("5","1","6","3","7","3","3","1") = "6"
    & skf21("5","1","6","3","7","3","4","1") = "6"
    & skf21("5","1","6","3","7","3","5","1") = "6"
    & skf21("5","1","6","3","7","3","6","1") = "6"
    & skf21("5","1","6","3","7","3","7","1") = "6"
    & skf21("5","1","6","3","7","4","1","1") = "6"
    & skf21("5","1","6","3","7","4","2","1") = "6"
    & skf21("5","1","6","3","7","4","3","1") = "6"
    & skf21("5","1","6","3","7","4","4","1") = "6"
    & skf21("5","1","6","3","7","4","5","1") = "6"
    & skf21("5","1","6","3","7","4","6","1") = "6"
    & skf21("5","1","6","3","7","4","7","1") = "6"
    & skf21("5","1","6","3","7","5","1","1") = "6"
    & skf21("5","1","6","3","7","5","2","1") = "6"
    & skf21("5","1","6","3","7","5","3","1") = "6"
    & skf21("5","1","6","3","7","5","4","1") = "6"
    & skf21("5","1","6","3","7","5","5","1") = "6"
    & skf21("5","1","6","3","7","5","6","1") = "6"
    & skf21("5","1","6","3","7","5","7","1") = "6"
    & skf21("5","1","6","3","7","6","1","1") = "6"
    & skf21("5","1","6","3","7","6","2","1") = "6"
    & skf21("5","1","6","3","7","6","3","1") = "6"
    & skf21("5","1","6","3","7","6","4","1") = "6"
    & skf21("5","1","6","3","7","6","5","1") = "6"
    & skf21("5","1","6","3","7","6","6","1") = "6"
    & skf21("5","1","6","3","7","6","7","1") = "6"
    & skf21("5","1","6","3","7","7","1","1") = "6"
    & skf21("5","1","6","3","7","7","2","1") = "6"
    & skf21("5","1","6","3","7","7","3","1") = "6"
    & skf21("5","1","6","3","7","7","4","1") = "6"
    & skf21("5","1","6","3","7","7","5","1") = "6"
    & skf21("5","1","6","3","7","7","6","1") = "6"
    & skf21("5","1","6","3","7","7","7","1") = "6"
    & skf21("5","1","6","4","1","1","1","1") = "5"
    & skf21("5","1","6","4","1","1","2","1") = "5"
    & skf21("5","1","6","4","1","1","3","1") = "5"
    & skf21("5","1","6","4","1","1","4","1") = "5"
    & skf21("5","1","6","4","1","1","5","1") = "5"
    & skf21("5","1","6","4","1","1","6","1") = "5"
    & skf21("5","1","6","4","1","1","7","1") = "6"
    & skf21("5","1","6","4","1","2","1","1") = "5"
    & skf21("5","1","6","4","1","2","2","1") = "5"
    & skf21("5","1","6","4","1","2","3","1") = "5"
    & skf21("5","1","6","4","1","2","4","1") = "5"
    & skf21("5","1","6","4","1","2","5","1") = "5"
    & skf21("5","1","6","4","1","2","6","1") = "5"
    & skf21("5","1","6","4","1","2","7","1") = "6"
    & skf21("5","1","6","4","1","3","1","1") = "5"
    & skf21("5","1","6","4","1","3","2","1") = "5"
    & skf21("5","1","6","4","1","3","3","1") = "5"
    & skf21("5","1","6","4","1","3","4","1") = "5"
    & skf21("5","1","6","4","1","3","5","1") = "5"
    & skf21("5","1","6","4","1","3","6","1") = "5"
    & skf21("5","1","6","4","1","3","7","1") = "6"
    & skf21("5","1","6","4","1","4","1","1") = "5"
    & skf21("5","1","6","4","1","4","2","1") = "5"
    & skf21("5","1","6","4","1","4","3","1") = "5"
    & skf21("5","1","6","4","1","4","4","1") = "5"
    & skf21("5","1","6","4","1","4","5","1") = "5"
    & skf21("5","1","6","4","1","4","6","1") = "5"
    & skf21("5","1","6","4","1","4","7","1") = "6"
    & skf21("5","1","6","4","1","5","1","1") = "5"
    & skf21("5","1","6","4","1","5","2","1") = "5"
    & skf21("5","1","6","4","1","5","3","1") = "5"
    & skf21("5","1","6","4","1","5","4","1") = "5"
    & skf21("5","1","6","4","1","5","5","1") = "5"
    & skf21("5","1","6","4","1","5","6","1") = "5"
    & skf21("5","1","6","4","1","5","7","1") = "6"
    & skf21("5","1","6","4","1","6","1","1") = "5"
    & skf21("5","1","6","4","1","6","2","1") = "5"
    & skf21("5","1","6","4","1","6","3","1") = "5"
    & skf21("5","1","6","4","1","6","4","1") = "5"
    & skf21("5","1","6","4","1","6","5","1") = "5"
    & skf21("5","1","6","4","1","6","6","1") = "5"
    & skf21("5","1","6","4","1","6","7","1") = "6"
    & skf21("5","1","6","4","1","7","1","1") = "6"
    & skf21("5","1","6","4","1","7","2","1") = "6"
    & skf21("5","1","6","4","1","7","3","1") = "6"
    & skf21("5","1","6","4","1","7","4","1") = "6"
    & skf21("5","1","6","4","1","7","5","1") = "6"
    & skf21("5","1","6","4","1","7","6","1") = "6"
    & skf21("5","1","6","4","1","7","7","1") = "6"
    & skf21("5","1","6","4","2","1","1","1") = "5"
    & skf21("5","1","6","4","2","1","2","1") = "5"
    & skf21("5","1","6","4","2","1","3","1") = "5"
    & skf21("5","1","6","4","2","1","4","1") = "5"
    & skf21("5","1","6","4","2","1","5","1") = "5"
    & skf21("5","1","6","4","2","1","6","1") = "5"
    & skf21("5","1","6","4","2","1","7","1") = "6"
    & skf21("5","1","6","4","2","2","1","1") = "5"
    & skf21("5","1","6","4","2","2","2","1") = "5"
    & skf21("5","1","6","4","2","2","3","1") = "5"
    & skf21("5","1","6","4","2","2","4","1") = "5"
    & skf21("5","1","6","4","2","2","5","1") = "5"
    & skf21("5","1","6","4","2","2","6","1") = "5"
    & skf21("5","1","6","4","2","2","7","1") = "6"
    & skf21("5","1","6","4","2","3","1","1") = "5"
    & skf21("5","1","6","4","2","3","2","1") = "5"
    & skf21("5","1","6","4","2","3","3","1") = "5"
    & skf21("5","1","6","4","2","3","4","1") = "5"
    & skf21("5","1","6","4","2","3","5","1") = "5"
    & skf21("5","1","6","4","2","3","6","1") = "5"
    & skf21("5","1","6","4","2","3","7","1") = "6"
    & skf21("5","1","6","4","2","4","1","1") = "5"
    & skf21("5","1","6","4","2","4","2","1") = "5"
    & skf21("5","1","6","4","2","4","3","1") = "5"
    & skf21("5","1","6","4","2","4","4","1") = "5"
    & skf21("5","1","6","4","2","4","5","1") = "5"
    & skf21("5","1","6","4","2","4","6","1") = "5"
    & skf21("5","1","6","4","2","4","7","1") = "6"
    & skf21("5","1","6","4","2","5","1","1") = "5"
    & skf21("5","1","6","4","2","5","2","1") = "5"
    & skf21("5","1","6","4","2","5","3","1") = "5"
    & skf21("5","1","6","4","2","5","4","1") = "5"
    & skf21("5","1","6","4","2","5","5","1") = "5"
    & skf21("5","1","6","4","2","5","6","1") = "5"
    & skf21("5","1","6","4","2","5","7","1") = "6"
    & skf21("5","1","6","4","2","6","1","1") = "5"
    & skf21("5","1","6","4","2","6","2","1") = "5"
    & skf21("5","1","6","4","2","6","3","1") = "5"
    & skf21("5","1","6","4","2","6","4","1") = "5"
    & skf21("5","1","6","4","2","6","5","1") = "5"
    & skf21("5","1","6","4","2","6","6","1") = "5"
    & skf21("5","1","6","4","2","6","7","1") = "6"
    & skf21("5","1","6","4","2","7","1","1") = "6"
    & skf21("5","1","6","4","2","7","2","1") = "6"
    & skf21("5","1","6","4","2","7","3","1") = "6"
    & skf21("5","1","6","4","2","7","4","1") = "6"
    & skf21("5","1","6","4","2","7","5","1") = "6"
    & skf21("5","1","6","4","2","7","6","1") = "6"
    & skf21("5","1","6","4","2","7","7","1") = "6"
    & skf21("5","1","6","4","3","1","1","1") = "5"
    & skf21("5","1","6","4","3","1","2","1") = "5"
    & skf21("5","1","6","4","3","1","3","1") = "5"
    & skf21("5","1","6","4","3","1","4","1") = "5"
    & skf21("5","1","6","4","3","1","5","1") = "5"
    & skf21("5","1","6","4","3","1","6","1") = "5"
    & skf21("5","1","6","4","3","1","7","1") = "6"
    & skf21("5","1","6","4","3","2","1","1") = "5"
    & skf21("5","1","6","4","3","2","2","1") = "5"
    & skf21("5","1","6","4","3","2","3","1") = "5"
    & skf21("5","1","6","4","3","2","4","1") = "5"
    & skf21("5","1","6","4","3","2","5","1") = "5"
    & skf21("5","1","6","4","3","2","6","1") = "5"
    & skf21("5","1","6","4","3","2","7","1") = "6"
    & skf21("5","1","6","4","3","3","1","1") = "5"
    & skf21("5","1","6","4","3","3","2","1") = "5"
    & skf21("5","1","6","4","3","3","3","1") = "5"
    & skf21("5","1","6","4","3","3","4","1") = "5"
    & skf21("5","1","6","4","3","3","5","1") = "5"
    & skf21("5","1","6","4","3","3","6","1") = "5"
    & skf21("5","1","6","4","3","3","7","1") = "6"
    & skf21("5","1","6","4","3","4","1","1") = "5"
    & skf21("5","1","6","4","3","4","2","1") = "5"
    & skf21("5","1","6","4","3","4","3","1") = "5"
    & skf21("5","1","6","4","3","4","4","1") = "5"
    & skf21("5","1","6","4","3","4","5","1") = "5"
    & skf21("5","1","6","4","3","4","6","1") = "5"
    & skf21("5","1","6","4","3","4","7","1") = "6"
    & skf21("5","1","6","4","3","5","1","1") = "5"
    & skf21("5","1","6","4","3","5","2","1") = "5"
    & skf21("5","1","6","4","3","5","3","1") = "5"
    & skf21("5","1","6","4","3","5","4","1") = "5"
    & skf21("5","1","6","4","3","5","5","1") = "5"
    & skf21("5","1","6","4","3","5","6","1") = "5"
    & skf21("5","1","6","4","3","5","7","1") = "6"
    & skf21("5","1","6","4","3","6","1","1") = "5"
    & skf21("5","1","6","4","3","6","2","1") = "5"
    & skf21("5","1","6","4","3","6","3","1") = "5"
    & skf21("5","1","6","4","3","6","4","1") = "5"
    & skf21("5","1","6","4","3","6","5","1") = "5"
    & skf21("5","1","6","4","3","6","6","1") = "5"
    & skf21("5","1","6","4","3","6","7","1") = "6"
    & skf21("5","1","6","4","3","7","1","1") = "6"
    & skf21("5","1","6","4","3","7","2","1") = "6"
    & skf21("5","1","6","4","3","7","3","1") = "6"
    & skf21("5","1","6","4","3","7","4","1") = "6"
    & skf21("5","1","6","4","3","7","5","1") = "6"
    & skf21("5","1","6","4","3","7","6","1") = "6"
    & skf21("5","1","6","4","3","7","7","1") = "6"
    & skf21("5","1","6","4","4","1","1","1") = "5"
    & skf21("5","1","6","4","4","1","2","1") = "5"
    & skf21("5","1","6","4","4","1","3","1") = "5"
    & skf21("5","1","6","4","4","1","4","1") = "5"
    & skf21("5","1","6","4","4","1","5","1") = "5"
    & skf21("5","1","6","4","4","1","6","1") = "5"
    & skf21("5","1","6","4","4","1","7","1") = "6"
    & skf21("5","1","6","4","4","2","1","1") = "5"
    & skf21("5","1","6","4","4","2","2","1") = "5"
    & skf21("5","1","6","4","4","2","3","1") = "5"
    & skf21("5","1","6","4","4","2","4","1") = "5"
    & skf21("5","1","6","4","4","2","5","1") = "5"
    & skf21("5","1","6","4","4","2","6","1") = "5"
    & skf21("5","1","6","4","4","2","7","1") = "6"
    & skf21("5","1","6","4","4","3","1","1") = "5"
    & skf21("5","1","6","4","4","3","2","1") = "5"
    & skf21("5","1","6","4","4","3","3","1") = "5"
    & skf21("5","1","6","4","4","3","4","1") = "5"
    & skf21("5","1","6","4","4","3","5","1") = "5"
    & skf21("5","1","6","4","4","3","6","1") = "5"
    & skf21("5","1","6","4","4","3","7","1") = "6"
    & skf21("5","1","6","4","4","4","1","1") = "5"
    & skf21("5","1","6","4","4","4","2","1") = "5"
    & skf21("5","1","6","4","4","4","3","1") = "5"
    & skf21("5","1","6","4","4","4","4","1") = "5"
    & skf21("5","1","6","4","4","4","5","1") = "5"
    & skf21("5","1","6","4","4","4","6","1") = "5"
    & skf21("5","1","6","4","4","4","7","1") = "6"
    & skf21("5","1","6","4","4","5","1","1") = "5"
    & skf21("5","1","6","4","4","5","2","1") = "5"
    & skf21("5","1","6","4","4","5","3","1") = "5"
    & skf21("5","1","6","4","4","5","4","1") = "5"
    & skf21("5","1","6","4","4","5","5","1") = "5"
    & skf21("5","1","6","4","4","5","6","1") = "5"
    & skf21("5","1","6","4","4","5","7","1") = "6"
    & skf21("5","1","6","4","4","6","1","1") = "5"
    & skf21("5","1","6","4","4","6","2","1") = "5"
    & skf21("5","1","6","4","4","6","3","1") = "5"
    & skf21("5","1","6","4","4","6","4","1") = "5"
    & skf21("5","1","6","4","4","6","5","1") = "5"
    & skf21("5","1","6","4","4","6","6","1") = "5"
    & skf21("5","1","6","4","4","6","7","1") = "6"
    & skf21("5","1","6","4","4","7","1","1") = "6"
    & skf21("5","1","6","4","4","7","2","1") = "6"
    & skf21("5","1","6","4","4","7","3","1") = "6"
    & skf21("5","1","6","4","4","7","4","1") = "6"
    & skf21("5","1","6","4","4","7","5","1") = "6"
    & skf21("5","1","6","4","4","7","6","1") = "6"
    & skf21("5","1","6","4","4","7","7","1") = "6"
    & skf21("5","1","6","4","5","1","1","1") = "5"
    & skf21("5","1","6","4","5","1","2","1") = "5"
    & skf21("5","1","6","4","5","1","3","1") = "5"
    & skf21("5","1","6","4","5","1","4","1") = "5"
    & skf21("5","1","6","4","5","1","5","1") = "5"
    & skf21("5","1","6","4","5","1","6","1") = "5"
    & skf21("5","1","6","4","5","1","7","1") = "6"
    & skf21("5","1","6","4","5","2","1","1") = "5"
    & skf21("5","1","6","4","5","2","2","1") = "5"
    & skf21("5","1","6","4","5","2","3","1") = "5"
    & skf21("5","1","6","4","5","2","4","1") = "5"
    & skf21("5","1","6","4","5","2","5","1") = "5"
    & skf21("5","1","6","4","5","2","6","1") = "5"
    & skf21("5","1","6","4","5","2","7","1") = "6"
    & skf21("5","1","6","4","5","3","1","1") = "5"
    & skf21("5","1","6","4","5","3","2","1") = "5"
    & skf21("5","1","6","4","5","3","3","1") = "5"
    & skf21("5","1","6","4","5","3","4","1") = "5"
    & skf21("5","1","6","4","5","3","5","1") = "5"
    & skf21("5","1","6","4","5","3","6","1") = "5"
    & skf21("5","1","6","4","5","3","7","1") = "6"
    & skf21("5","1","6","4","5","4","1","1") = "5"
    & skf21("5","1","6","4","5","4","2","1") = "5"
    & skf21("5","1","6","4","5","4","3","1") = "5"
    & skf21("5","1","6","4","5","4","4","1") = "5"
    & skf21("5","1","6","4","5","4","5","1") = "5"
    & skf21("5","1","6","4","5","4","6","1") = "5"
    & skf21("5","1","6","4","5","4","7","1") = "6"
    & skf21("5","1","6","4","5","5","1","1") = "5"
    & skf21("5","1","6","4","5","5","2","1") = "5"
    & skf21("5","1","6","4","5","5","3","1") = "5"
    & skf21("5","1","6","4","5","5","4","1") = "5"
    & skf21("5","1","6","4","5","5","5","1") = "5"
    & skf21("5","1","6","4","5","5","6","1") = "5"
    & skf21("5","1","6","4","5","5","7","1") = "6"
    & skf21("5","1","6","4","5","6","1","1") = "5"
    & skf21("5","1","6","4","5","6","2","1") = "5"
    & skf21("5","1","6","4","5","6","3","1") = "5"
    & skf21("5","1","6","4","5","6","4","1") = "5"
    & skf21("5","1","6","4","5","6","5","1") = "5"
    & skf21("5","1","6","4","5","6","6","1") = "5"
    & skf21("5","1","6","4","5","6","7","1") = "6"
    & skf21("5","1","6","4","5","7","1","1") = "6"
    & skf21("5","1","6","4","5","7","2","1") = "6"
    & skf21("5","1","6","4","5","7","3","1") = "6"
    & skf21("5","1","6","4","5","7","4","1") = "6"
    & skf21("5","1","6","4","5","7","5","1") = "6"
    & skf21("5","1","6","4","5","7","6","1") = "6"
    & skf21("5","1","6","4","5","7","7","1") = "6"
    & skf21("5","1","6","4","6","1","1","1") = "5"
    & skf21("5","1","6","4","6","1","2","1") = "5"
    & skf21("5","1","6","4","6","1","3","1") = "5"
    & skf21("5","1","6","4","6","1","4","1") = "5"
    & skf21("5","1","6","4","6","1","5","1") = "5"
    & skf21("5","1","6","4","6","1","6","1") = "5"
    & skf21("5","1","6","4","6","1","7","1") = "6"
    & skf21("5","1","6","4","6","2","1","1") = "5"
    & skf21("5","1","6","4","6","2","2","1") = "5"
    & skf21("5","1","6","4","6","2","3","1") = "5"
    & skf21("5","1","6","4","6","2","4","1") = "5"
    & skf21("5","1","6","4","6","2","5","1") = "5"
    & skf21("5","1","6","4","6","2","6","1") = "5"
    & skf21("5","1","6","4","6","2","7","1") = "6"
    & skf21("5","1","6","4","6","3","1","1") = "5"
    & skf21("5","1","6","4","6","3","2","1") = "5"
    & skf21("5","1","6","4","6","3","3","1") = "5"
    & skf21("5","1","6","4","6","3","4","1") = "5"
    & skf21("5","1","6","4","6","3","5","1") = "5"
    & skf21("5","1","6","4","6","3","6","1") = "5"
    & skf21("5","1","6","4","6","3","7","1") = "6"
    & skf21("5","1","6","4","6","4","1","1") = "5"
    & skf21("5","1","6","4","6","4","2","1") = "5"
    & skf21("5","1","6","4","6","4","3","1") = "5"
    & skf21("5","1","6","4","6","4","4","1") = "5"
    & skf21("5","1","6","4","6","4","5","1") = "5"
    & skf21("5","1","6","4","6","4","6","1") = "5"
    & skf21("5","1","6","4","6","4","7","1") = "6"
    & skf21("5","1","6","4","6","5","1","1") = "5"
    & skf21("5","1","6","4","6","5","2","1") = "5"
    & skf21("5","1","6","4","6","5","3","1") = "5"
    & skf21("5","1","6","4","6","5","4","1") = "5"
    & skf21("5","1","6","4","6","5","5","1") = "5"
    & skf21("5","1","6","4","6","5","6","1") = "5"
    & skf21("5","1","6","4","6","5","7","1") = "6"
    & skf21("5","1","6","4","6","6","1","1") = "5"
    & skf21("5","1","6","4","6","6","2","1") = "5"
    & skf21("5","1","6","4","6","6","3","1") = "5"
    & skf21("5","1","6","4","6","6","4","1") = "5"
    & skf21("5","1","6","4","6","6","5","1") = "5"
    & skf21("5","1","6","4","6","6","6","1") = "5"
    & skf21("5","1","6","4","6","6","7","1") = "6"
    & skf21("5","1","6","4","6","7","1","1") = "6"
    & skf21("5","1","6","4","6","7","2","1") = "6"
    & skf21("5","1","6","4","6","7","3","1") = "6"
    & skf21("5","1","6","4","6","7","4","1") = "6"
    & skf21("5","1","6","4","6","7","5","1") = "6"
    & skf21("5","1","6","4","6","7","6","1") = "6"
    & skf21("5","1","6","4","6","7","7","1") = "6"
    & skf21("5","1","6","4","7","1","1","1") = "6"
    & skf21("5","1","6","4","7","1","2","1") = "6"
    & skf21("5","1","6","4","7","1","3","1") = "6"
    & skf21("5","1","6","4","7","1","4","1") = "6"
    & skf21("5","1","6","4","7","1","5","1") = "6"
    & skf21("5","1","6","4","7","1","6","1") = "6"
    & skf21("5","1","6","4","7","1","7","1") = "6"
    & skf21("5","1","6","4","7","2","1","1") = "6"
    & skf21("5","1","6","4","7","2","2","1") = "6"
    & skf21("5","1","6","4","7","2","3","1") = "6"
    & skf21("5","1","6","4","7","2","4","1") = "6"
    & skf21("5","1","6","4","7","2","5","1") = "6"
    & skf21("5","1","6","4","7","2","6","1") = "6"
    & skf21("5","1","6","4","7","2","7","1") = "6"
    & skf21("5","1","6","4","7","3","1","1") = "6"
    & skf21("5","1","6","4","7","3","2","1") = "6"
    & skf21("5","1","6","4","7","3","3","1") = "6"
    & skf21("5","1","6","4","7","3","4","1") = "6"
    & skf21("5","1","6","4","7","3","5","1") = "6"
    & skf21("5","1","6","4","7","3","6","1") = "6"
    & skf21("5","1","6","4","7","3","7","1") = "6"
    & skf21("5","1","6","4","7","4","1","1") = "6"
    & skf21("5","1","6","4","7","4","2","1") = "6"
    & skf21("5","1","6","4","7","4","3","1") = "6"
    & skf21("5","1","6","4","7","4","4","1") = "6"
    & skf21("5","1","6","4","7","4","5","1") = "6"
    & skf21("5","1","6","4","7","4","6","1") = "6"
    & skf21("5","1","6","4","7","4","7","1") = "6"
    & skf21("5","1","6","4","7","5","1","1") = "6"
    & skf21("5","1","6","4","7","5","2","1") = "6"
    & skf21("5","1","6","4","7","5","3","1") = "6"
    & skf21("5","1","6","4","7","5","4","1") = "6"
    & skf21("5","1","6","4","7","5","5","1") = "6"
    & skf21("5","1","6","4","7","5","6","1") = "6"
    & skf21("5","1","6","4","7","5","7","1") = "6"
    & skf21("5","1","6","4","7","6","1","1") = "6"
    & skf21("5","1","6","4","7","6","2","1") = "6"
    & skf21("5","1","6","4","7","6","3","1") = "6"
    & skf21("5","1","6","4","7","6","4","1") = "6"
    & skf21("5","1","6","4","7","6","5","1") = "6"
    & skf21("5","1","6","4","7","6","6","1") = "6"
    & skf21("5","1","6","4","7","6","7","1") = "6"
    & skf21("5","1","6","4","7","7","1","1") = "6"
    & skf21("5","1","6","4","7","7","2","1") = "6"
    & skf21("5","1","6","4","7","7","3","1") = "6"
    & skf21("5","1","6","4","7","7","4","1") = "6"
    & skf21("5","1","6","4","7","7","5","1") = "6"
    & skf21("5","1","6","4","7","7","6","1") = "6"
    & skf21("5","1","6","4","7","7","7","1") = "6"
    & skf21("5","1","6","5","1","1","1","1") = "5"
    & skf21("5","1","6","5","1","1","2","1") = "5"
    & skf21("5","1","6","5","1","1","3","1") = "5"
    & skf21("5","1","6","5","1","1","4","1") = "5"
    & skf21("5","1","6","5","1","1","5","1") = "5"
    & skf21("5","1","6","5","1","1","6","1") = "5"
    & skf21("5","1","6","5","1","1","7","1") = "6"
    & skf21("5","1","6","5","1","2","1","1") = "5"
    & skf21("5","1","6","5","1","2","2","1") = "5"
    & skf21("5","1","6","5","1","2","3","1") = "5"
    & skf21("5","1","6","5","1","2","4","1") = "5"
    & skf21("5","1","6","5","1","2","5","1") = "5"
    & skf21("5","1","6","5","1","2","6","1") = "5"
    & skf21("5","1","6","5","1","2","7","1") = "6"
    & skf21("5","1","6","5","1","3","1","1") = "5"
    & skf21("5","1","6","5","1","3","2","1") = "5"
    & skf21("5","1","6","5","1","3","3","1") = "5"
    & skf21("5","1","6","5","1","3","4","1") = "5"
    & skf21("5","1","6","5","1","3","5","1") = "5"
    & skf21("5","1","6","5","1","3","6","1") = "5"
    & skf21("5","1","6","5","1","3","7","1") = "6"
    & skf21("5","1","6","5","1","4","1","1") = "5"
    & skf21("5","1","6","5","1","4","2","1") = "5"
    & skf21("5","1","6","5","1","4","3","1") = "5"
    & skf21("5","1","6","5","1","4","4","1") = "5"
    & skf21("5","1","6","5","1","4","5","1") = "5"
    & skf21("5","1","6","5","1","4","6","1") = "5"
    & skf21("5","1","6","5","1","4","7","1") = "6"
    & skf21("5","1","6","5","1","5","1","1") = "5"
    & skf21("5","1","6","5","1","5","2","1") = "5"
    & skf21("5","1","6","5","1","5","3","1") = "5"
    & skf21("5","1","6","5","1","5","4","1") = "5"
    & skf21("5","1","6","5","1","5","5","1") = "5"
    & skf21("5","1","6","5","1","5","6","1") = "5"
    & skf21("5","1","6","5","1","5","7","1") = "6"
    & skf21("5","1","6","5","1","6","1","1") = "5"
    & skf21("5","1","6","5","1","6","2","1") = "5"
    & skf21("5","1","6","5","1","6","3","1") = "5"
    & skf21("5","1","6","5","1","6","4","1") = "5"
    & skf21("5","1","6","5","1","6","5","1") = "5"
    & skf21("5","1","6","5","1","6","6","1") = "5"
    & skf21("5","1","6","5","1","6","7","1") = "6"
    & skf21("5","1","6","5","1","7","1","1") = "6"
    & skf21("5","1","6","5","1","7","2","1") = "6"
    & skf21("5","1","6","5","1","7","3","1") = "6"
    & skf21("5","1","6","5","1","7","4","1") = "6"
    & skf21("5","1","6","5","1","7","5","1") = "6"
    & skf21("5","1","6","5","1","7","6","1") = "6"
    & skf21("5","1","6","5","1","7","7","1") = "6"
    & skf21("5","1","6","5","2","1","1","1") = "5"
    & skf21("5","1","6","5","2","1","2","1") = "5"
    & skf21("5","1","6","5","2","1","3","1") = "5"
    & skf21("5","1","6","5","2","1","4","1") = "5"
    & skf21("5","1","6","5","2","1","5","1") = "5"
    & skf21("5","1","6","5","2","1","6","1") = "5"
    & skf21("5","1","6","5","2","1","7","1") = "6"
    & skf21("5","1","6","5","2","2","1","1") = "5"
    & skf21("5","1","6","5","2","2","2","1") = "5"
    & skf21("5","1","6","5","2","2","3","1") = "5"
    & skf21("5","1","6","5","2","2","4","1") = "5"
    & skf21("5","1","6","5","2","2","5","1") = "5"
    & skf21("5","1","6","5","2","2","6","1") = "5"
    & skf21("5","1","6","5","2","2","7","1") = "6"
    & skf21("5","1","6","5","2","3","1","1") = "5"
    & skf21("5","1","6","5","2","3","2","1") = "5"
    & skf21("5","1","6","5","2","3","3","1") = "5"
    & skf21("5","1","6","5","2","3","4","1") = "5"
    & skf21("5","1","6","5","2","3","5","1") = "5"
    & skf21("5","1","6","5","2","3","6","1") = "5"
    & skf21("5","1","6","5","2","3","7","1") = "6"
    & skf21("5","1","6","5","2","4","1","1") = "5"
    & skf21("5","1","6","5","2","4","2","1") = "5"
    & skf21("5","1","6","5","2","4","3","1") = "5"
    & skf21("5","1","6","5","2","4","4","1") = "5"
    & skf21("5","1","6","5","2","4","5","1") = "5"
    & skf21("5","1","6","5","2","4","6","1") = "5"
    & skf21("5","1","6","5","2","4","7","1") = "6"
    & skf21("5","1","6","5","2","5","1","1") = "5"
    & skf21("5","1","6","5","2","5","2","1") = "5"
    & skf21("5","1","6","5","2","5","3","1") = "5"
    & skf21("5","1","6","5","2","5","4","1") = "5"
    & skf21("5","1","6","5","2","5","5","1") = "5"
    & skf21("5","1","6","5","2","5","6","1") = "5"
    & skf21("5","1","6","5","2","5","7","1") = "6"
    & skf21("5","1","6","5","2","6","1","1") = "5"
    & skf21("5","1","6","5","2","6","2","1") = "5"
    & skf21("5","1","6","5","2","6","3","1") = "5"
    & skf21("5","1","6","5","2","6","4","1") = "5"
    & skf21("5","1","6","5","2","6","5","1") = "5"
    & skf21("5","1","6","5","2","6","6","1") = "5"
    & skf21("5","1","6","5","2","6","7","1") = "6"
    & skf21("5","1","6","5","2","7","1","1") = "6"
    & skf21("5","1","6","5","2","7","2","1") = "6"
    & skf21("5","1","6","5","2","7","3","1") = "6"
    & skf21("5","1","6","5","2","7","4","1") = "6"
    & skf21("5","1","6","5","2","7","5","1") = "6"
    & skf21("5","1","6","5","2","7","6","1") = "6"
    & skf21("5","1","6","5","2","7","7","1") = "6"
    & skf21("5","1","6","5","3","1","1","1") = "5"
    & skf21("5","1","6","5","3","1","2","1") = "5"
    & skf21("5","1","6","5","3","1","3","1") = "5"
    & skf21("5","1","6","5","3","1","4","1") = "5"
    & skf21("5","1","6","5","3","1","5","1") = "5"
    & skf21("5","1","6","5","3","1","6","1") = "5"
    & skf21("5","1","6","5","3","1","7","1") = "6"
    & skf21("5","1","6","5","3","2","1","1") = "5"
    & skf21("5","1","6","5","3","2","2","1") = "5"
    & skf21("5","1","6","5","3","2","3","1") = "5"
    & skf21("5","1","6","5","3","2","4","1") = "5"
    & skf21("5","1","6","5","3","2","5","1") = "5"
    & skf21("5","1","6","5","3","2","6","1") = "5"
    & skf21("5","1","6","5","3","2","7","1") = "6"
    & skf21("5","1","6","5","3","3","1","1") = "5"
    & skf21("5","1","6","5","3","3","2","1") = "5"
    & skf21("5","1","6","5","3","3","3","1") = "5"
    & skf21("5","1","6","5","3","3","4","1") = "5"
    & skf21("5","1","6","5","3","3","5","1") = "5"
    & skf21("5","1","6","5","3","3","6","1") = "5"
    & skf21("5","1","6","5","3","3","7","1") = "6"
    & skf21("5","1","6","5","3","4","1","1") = "5"
    & skf21("5","1","6","5","3","4","2","1") = "5"
    & skf21("5","1","6","5","3","4","3","1") = "5"
    & skf21("5","1","6","5","3","4","4","1") = "5"
    & skf21("5","1","6","5","3","4","5","1") = "5"
    & skf21("5","1","6","5","3","4","6","1") = "5"
    & skf21("5","1","6","5","3","4","7","1") = "6"
    & skf21("5","1","6","5","3","5","1","1") = "5"
    & skf21("5","1","6","5","3","5","2","1") = "5"
    & skf21("5","1","6","5","3","5","3","1") = "5"
    & skf21("5","1","6","5","3","5","4","1") = "5"
    & skf21("5","1","6","5","3","5","5","1") = "5"
    & skf21("5","1","6","5","3","5","6","1") = "5"
    & skf21("5","1","6","5","3","5","7","1") = "6"
    & skf21("5","1","6","5","3","6","1","1") = "5"
    & skf21("5","1","6","5","3","6","2","1") = "5"
    & skf21("5","1","6","5","3","6","3","1") = "5"
    & skf21("5","1","6","5","3","6","4","1") = "5"
    & skf21("5","1","6","5","3","6","5","1") = "5"
    & skf21("5","1","6","5","3","6","6","1") = "5"
    & skf21("5","1","6","5","3","6","7","1") = "6"
    & skf21("5","1","6","5","3","7","1","1") = "6"
    & skf21("5","1","6","5","3","7","2","1") = "6"
    & skf21("5","1","6","5","3","7","3","1") = "6"
    & skf21("5","1","6","5","3","7","4","1") = "6"
    & skf21("5","1","6","5","3","7","5","1") = "6"
    & skf21("5","1","6","5","3","7","6","1") = "6"
    & skf21("5","1","6","5","3","7","7","1") = "6"
    & skf21("5","1","6","5","4","1","1","1") = "5"
    & skf21("5","1","6","5","4","1","2","1") = "5"
    & skf21("5","1","6","5","4","1","3","1") = "5"
    & skf21("5","1","6","5","4","1","4","1") = "5"
    & skf21("5","1","6","5","4","1","5","1") = "5"
    & skf21("5","1","6","5","4","1","6","1") = "5"
    & skf21("5","1","6","5","4","1","7","1") = "6"
    & skf21("5","1","6","5","4","2","1","1") = "5"
    & skf21("5","1","6","5","4","2","2","1") = "5"
    & skf21("5","1","6","5","4","2","3","1") = "5"
    & skf21("5","1","6","5","4","2","4","1") = "5"
    & skf21("5","1","6","5","4","2","5","1") = "5"
    & skf21("5","1","6","5","4","2","6","1") = "5"
    & skf21("5","1","6","5","4","2","7","1") = "6"
    & skf21("5","1","6","5","4","3","1","1") = "5"
    & skf21("5","1","6","5","4","3","2","1") = "5"
    & skf21("5","1","6","5","4","3","3","1") = "5"
    & skf21("5","1","6","5","4","3","4","1") = "5"
    & skf21("5","1","6","5","4","3","5","1") = "5"
    & skf21("5","1","6","5","4","3","6","1") = "5"
    & skf21("5","1","6","5","4","3","7","1") = "6"
    & skf21("5","1","6","5","4","4","1","1") = "5"
    & skf21("5","1","6","5","4","4","2","1") = "5"
    & skf21("5","1","6","5","4","4","3","1") = "5"
    & skf21("5","1","6","5","4","4","4","1") = "5"
    & skf21("5","1","6","5","4","4","5","1") = "5"
    & skf21("5","1","6","5","4","4","6","1") = "5"
    & skf21("5","1","6","5","4","4","7","1") = "6"
    & skf21("5","1","6","5","4","5","1","1") = "5"
    & skf21("5","1","6","5","4","5","2","1") = "5"
    & skf21("5","1","6","5","4","5","3","1") = "5"
    & skf21("5","1","6","5","4","5","4","1") = "5"
    & skf21("5","1","6","5","4","5","5","1") = "5"
    & skf21("5","1","6","5","4","5","6","1") = "5"
    & skf21("5","1","6","5","4","5","7","1") = "6"
    & skf21("5","1","6","5","4","6","1","1") = "5"
    & skf21("5","1","6","5","4","6","2","1") = "5"
    & skf21("5","1","6","5","4","6","3","1") = "5"
    & skf21("5","1","6","5","4","6","4","1") = "5"
    & skf21("5","1","6","5","4","6","5","1") = "5"
    & skf21("5","1","6","5","4","6","6","1") = "5"
    & skf21("5","1","6","5","4","6","7","1") = "6"
    & skf21("5","1","6","5","4","7","1","1") = "6"
    & skf21("5","1","6","5","4","7","2","1") = "6"
    & skf21("5","1","6","5","4","7","3","1") = "6"
    & skf21("5","1","6","5","4","7","4","1") = "6"
    & skf21("5","1","6","5","4","7","5","1") = "6"
    & skf21("5","1","6","5","4","7","6","1") = "6"
    & skf21("5","1","6","5","4","7","7","1") = "6"
    & skf21("5","1","6","5","5","1","1","1") = "5"
    & skf21("5","1","6","5","5","1","2","1") = "5"
    & skf21("5","1","6","5","5","1","3","1") = "5"
    & skf21("5","1","6","5","5","1","4","1") = "5"
    & skf21("5","1","6","5","5","1","5","1") = "5"
    & skf21("5","1","6","5","5","1","6","1") = "5"
    & skf21("5","1","6","5","5","1","7","1") = "6"
    & skf21("5","1","6","5","5","2","1","1") = "5"
    & skf21("5","1","6","5","5","2","2","1") = "5"
    & skf21("5","1","6","5","5","2","3","1") = "5"
    & skf21("5","1","6","5","5","2","4","1") = "5"
    & skf21("5","1","6","5","5","2","5","1") = "5"
    & skf21("5","1","6","5","5","2","6","1") = "5"
    & skf21("5","1","6","5","5","2","7","1") = "6"
    & skf21("5","1","6","5","5","3","1","1") = "5"
    & skf21("5","1","6","5","5","3","2","1") = "5"
    & skf21("5","1","6","5","5","3","3","1") = "5"
    & skf21("5","1","6","5","5","3","4","1") = "5"
    & skf21("5","1","6","5","5","3","5","1") = "5"
    & skf21("5","1","6","5","5","3","6","1") = "5"
    & skf21("5","1","6","5","5","3","7","1") = "6"
    & skf21("5","1","6","5","5","4","1","1") = "5"
    & skf21("5","1","6","5","5","4","2","1") = "5"
    & skf21("5","1","6","5","5","4","3","1") = "5"
    & skf21("5","1","6","5","5","4","4","1") = "5"
    & skf21("5","1","6","5","5","4","5","1") = "5"
    & skf21("5","1","6","5","5","4","6","1") = "5"
    & skf21("5","1","6","5","5","4","7","1") = "6"
    & skf21("5","1","6","5","5","5","1","1") = "5"
    & skf21("5","1","6","5","5","5","2","1") = "5"
    & skf21("5","1","6","5","5","5","3","1") = "5"
    & skf21("5","1","6","5","5","5","4","1") = "5"
    & skf21("5","1","6","5","5","5","5","1") = "5"
    & skf21("5","1","6","5","5","5","6","1") = "5"
    & skf21("5","1","6","5","5","5","7","1") = "6"
    & skf21("5","1","6","5","5","6","1","1") = "5"
    & skf21("5","1","6","5","5","6","2","1") = "5"
    & skf21("5","1","6","5","5","6","3","1") = "5"
    & skf21("5","1","6","5","5","6","4","1") = "5"
    & skf21("5","1","6","5","5","6","5","1") = "5"
    & skf21("5","1","6","5","5","6","6","1") = "5"
    & skf21("5","1","6","5","5","6","7","1") = "6"
    & skf21("5","1","6","5","5","7","1","1") = "6"
    & skf21("5","1","6","5","5","7","2","1") = "6"
    & skf21("5","1","6","5","5","7","3","1") = "6"
    & skf21("5","1","6","5","5","7","4","1") = "6"
    & skf21("5","1","6","5","5","7","5","1") = "6"
    & skf21("5","1","6","5","5","7","6","1") = "6"
    & skf21("5","1","6","5","5","7","7","1") = "6"
    & skf21("5","1","6","5","6","1","1","1") = "5"
    & skf21("5","1","6","5","6","1","2","1") = "5"
    & skf21("5","1","6","5","6","1","3","1") = "5"
    & skf21("5","1","6","5","6","1","4","1") = "5"
    & skf21("5","1","6","5","6","1","5","1") = "5"
    & skf21("5","1","6","5","6","1","6","1") = "5"
    & skf21("5","1","6","5","6","1","7","1") = "6"
    & skf21("5","1","6","5","6","2","1","1") = "5"
    & skf21("5","1","6","5","6","2","2","1") = "5"
    & skf21("5","1","6","5","6","2","3","1") = "5"
    & skf21("5","1","6","5","6","2","4","1") = "5"
    & skf21("5","1","6","5","6","2","5","1") = "5"
    & skf21("5","1","6","5","6","2","6","1") = "5"
    & skf21("5","1","6","5","6","2","7","1") = "6"
    & skf21("5","1","6","5","6","3","1","1") = "5"
    & skf21("5","1","6","5","6","3","2","1") = "5"
    & skf21("5","1","6","5","6","3","3","1") = "5"
    & skf21("5","1","6","5","6","3","4","1") = "5"
    & skf21("5","1","6","5","6","3","5","1") = "5"
    & skf21("5","1","6","5","6","3","6","1") = "5"
    & skf21("5","1","6","5","6","3","7","1") = "6"
    & skf21("5","1","6","5","6","4","1","1") = "5"
    & skf21("5","1","6","5","6","4","2","1") = "5"
    & skf21("5","1","6","5","6","4","3","1") = "5"
    & skf21("5","1","6","5","6","4","4","1") = "5"
    & skf21("5","1","6","5","6","4","5","1") = "5"
    & skf21("5","1","6","5","6","4","6","1") = "5"
    & skf21("5","1","6","5","6","4","7","1") = "6"
    & skf21("5","1","6","5","6","5","1","1") = "5"
    & skf21("5","1","6","5","6","5","2","1") = "5"
    & skf21("5","1","6","5","6","5","3","1") = "5"
    & skf21("5","1","6","5","6","5","4","1") = "5"
    & skf21("5","1","6","5","6","5","5","1") = "5"
    & skf21("5","1","6","5","6","5","6","1") = "5"
    & skf21("5","1","6","5","6","5","7","1") = "6"
    & skf21("5","1","6","5","6","6","1","1") = "5"
    & skf21("5","1","6","5","6","6","2","1") = "5"
    & skf21("5","1","6","5","6","6","3","1") = "5"
    & skf21("5","1","6","5","6","6","4","1") = "5"
    & skf21("5","1","6","5","6","6","5","1") = "5"
    & skf21("5","1","6","5","6","6","6","1") = "5"
    & skf21("5","1","6","5","6","6","7","1") = "6"
    & skf21("5","1","6","5","6","7","1","1") = "6"
    & skf21("5","1","6","5","6","7","2","1") = "6"
    & skf21("5","1","6","5","6","7","3","1") = "6"
    & skf21("5","1","6","5","6","7","4","1") = "6"
    & skf21("5","1","6","5","6","7","5","1") = "6"
    & skf21("5","1","6","5","6","7","6","1") = "6"
    & skf21("5","1","6","5","6","7","7","1") = "6"
    & skf21("5","1","6","5","7","1","1","1") = "6"
    & skf21("5","1","6","5","7","1","2","1") = "6"
    & skf21("5","1","6","5","7","1","3","1") = "6"
    & skf21("5","1","6","5","7","1","4","1") = "6"
    & skf21("5","1","6","5","7","1","5","1") = "6"
    & skf21("5","1","6","5","7","1","6","1") = "6"
    & skf21("5","1","6","5","7","1","7","1") = "6"
    & skf21("5","1","6","5","7","2","1","1") = "6"
    & skf21("5","1","6","5","7","2","2","1") = "6"
    & skf21("5","1","6","5","7","2","3","1") = "6"
    & skf21("5","1","6","5","7","2","4","1") = "6"
    & skf21("5","1","6","5","7","2","5","1") = "6"
    & skf21("5","1","6","5","7","2","6","1") = "6"
    & skf21("5","1","6","5","7","2","7","1") = "6"
    & skf21("5","1","6","5","7","3","1","1") = "6"
    & skf21("5","1","6","5","7","3","2","1") = "6"
    & skf21("5","1","6","5","7","3","3","1") = "6"
    & skf21("5","1","6","5","7","3","4","1") = "6"
    & skf21("5","1","6","5","7","3","5","1") = "6"
    & skf21("5","1","6","5","7","3","6","1") = "6"
    & skf21("5","1","6","5","7","3","7","1") = "6"
    & skf21("5","1","6","5","7","4","1","1") = "6"
    & skf21("5","1","6","5","7","4","2","1") = "6"
    & skf21("5","1","6","5","7","4","3","1") = "6"
    & skf21("5","1","6","5","7","4","4","1") = "6"
    & skf21("5","1","6","5","7","4","5","1") = "6"
    & skf21("5","1","6","5","7","4","6","1") = "6"
    & skf21("5","1","6","5","7","4","7","1") = "6"
    & skf21("5","1","6","5","7","5","1","1") = "6"
    & skf21("5","1","6","5","7","5","2","1") = "6"
    & skf21("5","1","6","5","7","5","3","1") = "6"
    & skf21("5","1","6","5","7","5","4","1") = "6"
    & skf21("5","1","6","5","7","5","5","1") = "6"
    & skf21("5","1","6","5","7","5","6","1") = "6"
    & skf21("5","1","6","5","7","5","7","1") = "6"
    & skf21("5","1","6","5","7","6","1","1") = "6"
    & skf21("5","1","6","5","7","6","2","1") = "6"
    & skf21("5","1","6","5","7","6","3","1") = "6"
    & skf21("5","1","6","5","7","6","4","1") = "6"
    & skf21("5","1","6","5","7","6","5","1") = "6"
    & skf21("5","1","6","5","7","6","6","1") = "6"
    & skf21("5","1","6","5","7","6","7","1") = "6"
    & skf21("5","1","6","5","7","7","1","1") = "6"
    & skf21("5","1","6","5","7","7","2","1") = "6"
    & skf21("5","1","6","5","7","7","3","1") = "6"
    & skf21("5","1","6","5","7","7","4","1") = "6"
    & skf21("5","1","6","5","7","7","5","1") = "6"
    & skf21("5","1","6","5","7","7","6","1") = "6"
    & skf21("5","1","6","5","7","7","7","1") = "6"
    & skf21("5","1","6","6","1","1","1","1") = "5"
    & skf21("5","1","6","6","1","1","2","1") = "5"
    & skf21("5","1","6","6","1","1","3","1") = "5"
    & skf21("5","1","6","6","1","1","4","1") = "5"
    & skf21("5","1","6","6","1","1","5","1") = "5"
    & skf21("5","1","6","6","1","1","6","1") = "5"
    & skf21("5","1","6","6","1","1","7","1") = "6"
    & skf21("5","1","6","6","1","2","1","1") = "5"
    & skf21("5","1","6","6","1","2","2","1") = "5"
    & skf21("5","1","6","6","1","2","3","1") = "5"
    & skf21("5","1","6","6","1","2","4","1") = "5"
    & skf21("5","1","6","6","1","2","5","1") = "5"
    & skf21("5","1","6","6","1","2","6","1") = "5"
    & skf21("5","1","6","6","1","2","7","1") = "6"
    & skf21("5","1","6","6","1","3","1","1") = "5"
    & skf21("5","1","6","6","1","3","2","1") = "5"
    & skf21("5","1","6","6","1","3","3","1") = "5"
    & skf21("5","1","6","6","1","3","4","1") = "5"
    & skf21("5","1","6","6","1","3","5","1") = "5"
    & skf21("5","1","6","6","1","3","6","1") = "5"
    & skf21("5","1","6","6","1","3","7","1") = "6"
    & skf21("5","1","6","6","1","4","1","1") = "5"
    & skf21("5","1","6","6","1","4","2","1") = "5"
    & skf21("5","1","6","6","1","4","3","1") = "5"
    & skf21("5","1","6","6","1","4","4","1") = "5"
    & skf21("5","1","6","6","1","4","5","1") = "5"
    & skf21("5","1","6","6","1","4","6","1") = "5"
    & skf21("5","1","6","6","1","4","7","1") = "6"
    & skf21("5","1","6","6","1","5","1","1") = "5"
    & skf21("5","1","6","6","1","5","2","1") = "5"
    & skf21("5","1","6","6","1","5","3","1") = "5"
    & skf21("5","1","6","6","1","5","4","1") = "5"
    & skf21("5","1","6","6","1","5","5","1") = "5"
    & skf21("5","1","6","6","1","5","6","1") = "5"
    & skf21("5","1","6","6","1","5","7","1") = "6"
    & skf21("5","1","6","6","1","6","1","1") = "5"
    & skf21("5","1","6","6","1","6","2","1") = "5"
    & skf21("5","1","6","6","1","6","3","1") = "5"
    & skf21("5","1","6","6","1","6","4","1") = "5"
    & skf21("5","1","6","6","1","6","5","1") = "5"
    & skf21("5","1","6","6","1","6","6","1") = "5"
    & skf21("5","1","6","6","1","6","7","1") = "6"
    & skf21("5","1","6","6","1","7","1","1") = "6"
    & skf21("5","1","6","6","1","7","2","1") = "6"
    & skf21("5","1","6","6","1","7","3","1") = "6"
    & skf21("5","1","6","6","1","7","4","1") = "6"
    & skf21("5","1","6","6","1","7","5","1") = "6"
    & skf21("5","1","6","6","1","7","6","1") = "6"
    & skf21("5","1","6","6","1","7","7","1") = "6"
    & skf21("5","1","6","6","2","1","1","1") = "5"
    & skf21("5","1","6","6","2","1","2","1") = "5"
    & skf21("5","1","6","6","2","1","3","1") = "5"
    & skf21("5","1","6","6","2","1","4","1") = "5"
    & skf21("5","1","6","6","2","1","5","1") = "5"
    & skf21("5","1","6","6","2","1","6","1") = "5"
    & skf21("5","1","6","6","2","1","7","1") = "6"
    & skf21("5","1","6","6","2","2","1","1") = "5"
    & skf21("5","1","6","6","2","2","2","1") = "5"
    & skf21("5","1","6","6","2","2","3","1") = "5"
    & skf21("5","1","6","6","2","2","4","1") = "5"
    & skf21("5","1","6","6","2","2","5","1") = "5"
    & skf21("5","1","6","6","2","2","6","1") = "5"
    & skf21("5","1","6","6","2","2","7","1") = "6"
    & skf21("5","1","6","6","2","3","1","1") = "5"
    & skf21("5","1","6","6","2","3","2","1") = "5"
    & skf21("5","1","6","6","2","3","3","1") = "5"
    & skf21("5","1","6","6","2","3","4","1") = "5"
    & skf21("5","1","6","6","2","3","5","1") = "5"
    & skf21("5","1","6","6","2","3","6","1") = "5"
    & skf21("5","1","6","6","2","3","7","1") = "6"
    & skf21("5","1","6","6","2","4","1","1") = "5"
    & skf21("5","1","6","6","2","4","2","1") = "5"
    & skf21("5","1","6","6","2","4","3","1") = "5"
    & skf21("5","1","6","6","2","4","4","1") = "5"
    & skf21("5","1","6","6","2","4","5","1") = "5"
    & skf21("5","1","6","6","2","4","6","1") = "5"
    & skf21("5","1","6","6","2","4","7","1") = "6"
    & skf21("5","1","6","6","2","5","1","1") = "5"
    & skf21("5","1","6","6","2","5","2","1") = "5"
    & skf21("5","1","6","6","2","5","3","1") = "5"
    & skf21("5","1","6","6","2","5","4","1") = "5"
    & skf21("5","1","6","6","2","5","5","1") = "5"
    & skf21("5","1","6","6","2","5","6","1") = "5"
    & skf21("5","1","6","6","2","5","7","1") = "6"
    & skf21("5","1","6","6","2","6","1","1") = "5"
    & skf21("5","1","6","6","2","6","2","1") = "5"
    & skf21("5","1","6","6","2","6","3","1") = "5"
    & skf21("5","1","6","6","2","6","4","1") = "5"
    & skf21("5","1","6","6","2","6","5","1") = "5"
    & skf21("5","1","6","6","2","6","6","1") = "5"
    & skf21("5","1","6","6","2","6","7","1") = "6"
    & skf21("5","1","6","6","2","7","1","1") = "6"
    & skf21("5","1","6","6","2","7","2","1") = "6"
    & skf21("5","1","6","6","2","7","3","1") = "6"
    & skf21("5","1","6","6","2","7","4","1") = "6"
    & skf21("5","1","6","6","2","7","5","1") = "6"
    & skf21("5","1","6","6","2","7","6","1") = "6"
    & skf21("5","1","6","6","2","7","7","1") = "6"
    & skf21("5","1","6","6","3","1","1","1") = "5"
    & skf21("5","1","6","6","3","1","2","1") = "5"
    & skf21("5","1","6","6","3","1","3","1") = "5"
    & skf21("5","1","6","6","3","1","4","1") = "5"
    & skf21("5","1","6","6","3","1","5","1") = "5"
    & skf21("5","1","6","6","3","1","6","1") = "5"
    & skf21("5","1","6","6","3","1","7","1") = "6"
    & skf21("5","1","6","6","3","2","1","1") = "5"
    & skf21("5","1","6","6","3","2","2","1") = "5"
    & skf21("5","1","6","6","3","2","3","1") = "5"
    & skf21("5","1","6","6","3","2","4","1") = "5"
    & skf21("5","1","6","6","3","2","5","1") = "5"
    & skf21("5","1","6","6","3","2","6","1") = "5"
    & skf21("5","1","6","6","3","2","7","1") = "6"
    & skf21("5","1","6","6","3","3","1","1") = "5"
    & skf21("5","1","6","6","3","3","2","1") = "5"
    & skf21("5","1","6","6","3","3","3","1") = "5"
    & skf21("5","1","6","6","3","3","4","1") = "5"
    & skf21("5","1","6","6","3","3","5","1") = "5"
    & skf21("5","1","6","6","3","3","6","1") = "5"
    & skf21("5","1","6","6","3","3","7","1") = "6"
    & skf21("5","1","6","6","3","4","1","1") = "5"
    & skf21("5","1","6","6","3","4","2","1") = "5"
    & skf21("5","1","6","6","3","4","3","1") = "5"
    & skf21("5","1","6","6","3","4","4","1") = "5"
    & skf21("5","1","6","6","3","4","5","1") = "5"
    & skf21("5","1","6","6","3","4","6","1") = "5"
    & skf21("5","1","6","6","3","4","7","1") = "6"
    & skf21("5","1","6","6","3","5","1","1") = "5"
    & skf21("5","1","6","6","3","5","2","1") = "5"
    & skf21("5","1","6","6","3","5","3","1") = "5"
    & skf21("5","1","6","6","3","5","4","1") = "5"
    & skf21("5","1","6","6","3","5","5","1") = "5"
    & skf21("5","1","6","6","3","5","6","1") = "5"
    & skf21("5","1","6","6","3","5","7","1") = "6"
    & skf21("5","1","6","6","3","6","1","1") = "5"
    & skf21("5","1","6","6","3","6","2","1") = "5"
    & skf21("5","1","6","6","3","6","3","1") = "5"
    & skf21("5","1","6","6","3","6","4","1") = "5"
    & skf21("5","1","6","6","3","6","5","1") = "5"
    & skf21("5","1","6","6","3","6","6","1") = "5"
    & skf21("5","1","6","6","3","6","7","1") = "6"
    & skf21("5","1","6","6","3","7","1","1") = "6"
    & skf21("5","1","6","6","3","7","2","1") = "6"
    & skf21("5","1","6","6","3","7","3","1") = "6"
    & skf21("5","1","6","6","3","7","4","1") = "6"
    & skf21("5","1","6","6","3","7","5","1") = "6"
    & skf21("5","1","6","6","3","7","6","1") = "6"
    & skf21("5","1","6","6","3","7","7","1") = "6"
    & skf21("5","1","6","6","4","1","1","1") = "5"
    & skf21("5","1","6","6","4","1","2","1") = "5"
    & skf21("5","1","6","6","4","1","3","1") = "5"
    & skf21("5","1","6","6","4","1","4","1") = "5"
    & skf21("5","1","6","6","4","1","5","1") = "5"
    & skf21("5","1","6","6","4","1","6","1") = "5"
    & skf21("5","1","6","6","4","1","7","1") = "6"
    & skf21("5","1","6","6","4","2","1","1") = "5"
    & skf21("5","1","6","6","4","2","2","1") = "5"
    & skf21("5","1","6","6","4","2","3","1") = "5"
    & skf21("5","1","6","6","4","2","4","1") = "5"
    & skf21("5","1","6","6","4","2","5","1") = "5"
    & skf21("5","1","6","6","4","2","6","1") = "5"
    & skf21("5","1","6","6","4","2","7","1") = "6"
    & skf21("5","1","6","6","4","3","1","1") = "5"
    & skf21("5","1","6","6","4","3","2","1") = "5"
    & skf21("5","1","6","6","4","3","3","1") = "5"
    & skf21("5","1","6","6","4","3","4","1") = "5"
    & skf21("5","1","6","6","4","3","5","1") = "5"
    & skf21("5","1","6","6","4","3","6","1") = "5"
    & skf21("5","1","6","6","4","3","7","1") = "6"
    & skf21("5","1","6","6","4","4","1","1") = "5"
    & skf21("5","1","6","6","4","4","2","1") = "5"
    & skf21("5","1","6","6","4","4","3","1") = "5"
    & skf21("5","1","6","6","4","4","4","1") = "5"
    & skf21("5","1","6","6","4","4","5","1") = "5"
    & skf21("5","1","6","6","4","4","6","1") = "5"
    & skf21("5","1","6","6","4","4","7","1") = "6"
    & skf21("5","1","6","6","4","5","1","1") = "5"
    & skf21("5","1","6","6","4","5","2","1") = "5"
    & skf21("5","1","6","6","4","5","3","1") = "5"
    & skf21("5","1","6","6","4","5","4","1") = "5"
    & skf21("5","1","6","6","4","5","5","1") = "5"
    & skf21("5","1","6","6","4","5","6","1") = "5"
    & skf21("5","1","6","6","4","5","7","1") = "6"
    & skf21("5","1","6","6","4","6","1","1") = "5"
    & skf21("5","1","6","6","4","6","2","1") = "5"
    & skf21("5","1","6","6","4","6","3","1") = "5"
    & skf21("5","1","6","6","4","6","4","1") = "5"
    & skf21("5","1","6","6","4","6","5","1") = "5"
    & skf21("5","1","6","6","4","6","6","1") = "5"
    & skf21("5","1","6","6","4","6","7","1") = "6"
    & skf21("5","1","6","6","4","7","1","1") = "6"
    & skf21("5","1","6","6","4","7","2","1") = "6"
    & skf21("5","1","6","6","4","7","3","1") = "6"
    & skf21("5","1","6","6","4","7","4","1") = "6"
    & skf21("5","1","6","6","4","7","5","1") = "6"
    & skf21("5","1","6","6","4","7","6","1") = "6"
    & skf21("5","1","6","6","4","7","7","1") = "6"
    & skf21("5","1","6","6","5","1","1","1") = "5"
    & skf21("5","1","6","6","5","1","2","1") = "5"
    & skf21("5","1","6","6","5","1","3","1") = "5"
    & skf21("5","1","6","6","5","1","4","1") = "5"
    & skf21("5","1","6","6","5","1","5","1") = "5"
    & skf21("5","1","6","6","5","1","6","1") = "5"
    & skf21("5","1","6","6","5","1","7","1") = "6"
    & skf21("5","1","6","6","5","2","1","1") = "5"
    & skf21("5","1","6","6","5","2","2","1") = "5"
    & skf21("5","1","6","6","5","2","3","1") = "5"
    & skf21("5","1","6","6","5","2","4","1") = "5"
    & skf21("5","1","6","6","5","2","5","1") = "5"
    & skf21("5","1","6","6","5","2","6","1") = "5"
    & skf21("5","1","6","6","5","2","7","1") = "6"
    & skf21("5","1","6","6","5","3","1","1") = "5"
    & skf21("5","1","6","6","5","3","2","1") = "5"
    & skf21("5","1","6","6","5","3","3","1") = "5"
    & skf21("5","1","6","6","5","3","4","1") = "5"
    & skf21("5","1","6","6","5","3","5","1") = "5"
    & skf21("5","1","6","6","5","3","6","1") = "5"
    & skf21("5","1","6","6","5","3","7","1") = "6"
    & skf21("5","1","6","6","5","4","1","1") = "5"
    & skf21("5","1","6","6","5","4","2","1") = "5"
    & skf21("5","1","6","6","5","4","3","1") = "5"
    & skf21("5","1","6","6","5","4","4","1") = "5"
    & skf21("5","1","6","6","5","4","5","1") = "5"
    & skf21("5","1","6","6","5","4","6","1") = "5"
    & skf21("5","1","6","6","5","4","7","1") = "6"
    & skf21("5","1","6","6","5","5","1","1") = "5"
    & skf21("5","1","6","6","5","5","2","1") = "5"
    & skf21("5","1","6","6","5","5","3","1") = "5"
    & skf21("5","1","6","6","5","5","4","1") = "5"
    & skf21("5","1","6","6","5","5","5","1") = "5"
    & skf21("5","1","6","6","5","5","6","1") = "5"
    & skf21("5","1","6","6","5","5","7","1") = "6"
    & skf21("5","1","6","6","5","6","1","1") = "5"
    & skf21("5","1","6","6","5","6","2","1") = "5"
    & skf21("5","1","6","6","5","6","3","1") = "5"
    & skf21("5","1","6","6","5","6","4","1") = "5"
    & skf21("5","1","6","6","5","6","5","1") = "5"
    & skf21("5","1","6","6","5","6","6","1") = "5"
    & skf21("5","1","6","6","5","6","7","1") = "6"
    & skf21("5","1","6","6","5","7","1","1") = "6"
    & skf21("5","1","6","6","5","7","2","1") = "6"
    & skf21("5","1","6","6","5","7","3","1") = "6"
    & skf21("5","1","6","6","5","7","4","1") = "6"
    & skf21("5","1","6","6","5","7","5","1") = "6"
    & skf21("5","1","6","6","5","7","6","1") = "6"
    & skf21("5","1","6","6","5","7","7","1") = "6"
    & skf21("5","1","6","6","6","1","1","1") = "5"
    & skf21("5","1","6","6","6","1","2","1") = "5"
    & skf21("5","1","6","6","6","1","3","1") = "5"
    & skf21("5","1","6","6","6","1","4","1") = "5"
    & skf21("5","1","6","6","6","1","5","1") = "5"
    & skf21("5","1","6","6","6","1","6","1") = "5"
    & skf21("5","1","6","6","6","1","7","1") = "6"
    & skf21("5","1","6","6","6","2","1","1") = "5"
    & skf21("5","1","6","6","6","2","2","1") = "5"
    & skf21("5","1","6","6","6","2","3","1") = "5"
    & skf21("5","1","6","6","6","2","4","1") = "5"
    & skf21("5","1","6","6","6","2","5","1") = "5"
    & skf21("5","1","6","6","6","2","6","1") = "5"
    & skf21("5","1","6","6","6","2","7","1") = "6"
    & skf21("5","1","6","6","6","3","1","1") = "5"
    & skf21("5","1","6","6","6","3","2","1") = "5"
    & skf21("5","1","6","6","6","3","3","1") = "5"
    & skf21("5","1","6","6","6","3","4","1") = "5"
    & skf21("5","1","6","6","6","3","5","1") = "5"
    & skf21("5","1","6","6","6","3","6","1") = "5"
    & skf21("5","1","6","6","6","3","7","1") = "6"
    & skf21("5","1","6","6","6","4","1","1") = "5"
    & skf21("5","1","6","6","6","4","2","1") = "5"
    & skf21("5","1","6","6","6","4","3","1") = "5"
    & skf21("5","1","6","6","6","4","4","1") = "5"
    & skf21("5","1","6","6","6","4","5","1") = "5"
    & skf21("5","1","6","6","6","4","6","1") = "5"
    & skf21("5","1","6","6","6","4","7","1") = "6"
    & skf21("5","1","6","6","6","5","1","1") = "5"
    & skf21("5","1","6","6","6","5","2","1") = "5"
    & skf21("5","1","6","6","6","5","3","1") = "5"
    & skf21("5","1","6","6","6","5","4","1") = "5"
    & skf21("5","1","6","6","6","5","5","1") = "5"
    & skf21("5","1","6","6","6","5","6","1") = "5"
    & skf21("5","1","6","6","6","5","7","1") = "6"
    & skf21("5","1","6","6","6","6","1","1") = "5"
    & skf21("5","1","6","6","6","6","2","1") = "5"
    & skf21("5","1","6","6","6","6","3","1") = "5"
    & skf21("5","1","6","6","6","6","4","1") = "5"
    & skf21("5","1","6","6","6","6","5","1") = "5"
    & skf21("5","1","6","6","6","6","6","1") = "5"
    & skf21("5","1","6","6","6","6","7","1") = "6"
    & skf21("5","1","6","6","6","7","1","1") = "6"
    & skf21("5","1","6","6","6","7","2","1") = "6"
    & skf21("5","1","6","6","6","7","3","1") = "6"
    & skf21("5","1","6","6","6","7","4","1") = "6"
    & skf21("5","1","6","6","6","7","5","1") = "6"
    & skf21("5","1","6","6","6","7","6","1") = "6"
    & skf21("5","1","6","6","6","7","7","1") = "6"
    & skf21("5","1","6","6","7","1","1","1") = "6"
    & skf21("5","1","6","6","7","1","2","1") = "6"
    & skf21("5","1","6","6","7","1","3","1") = "6"
    & skf21("5","1","6","6","7","1","4","1") = "6"
    & skf21("5","1","6","6","7","1","5","1") = "6"
    & skf21("5","1","6","6","7","1","6","1") = "6"
    & skf21("5","1","6","6","7","1","7","1") = "6"
    & skf21("5","1","6","6","7","2","1","1") = "6"
    & skf21("5","1","6","6","7","2","2","1") = "6"
    & skf21("5","1","6","6","7","2","3","1") = "6"
    & skf21("5","1","6","6","7","2","4","1") = "6"
    & skf21("5","1","6","6","7","2","5","1") = "6"
    & skf21("5","1","6","6","7","2","6","1") = "6"
    & skf21("5","1","6","6","7","2","7","1") = "6"
    & skf21("5","1","6","6","7","3","1","1") = "6"
    & skf21("5","1","6","6","7","3","2","1") = "6"
    & skf21("5","1","6","6","7","3","3","1") = "6"
    & skf21("5","1","6","6","7","3","4","1") = "6"
    & skf21("5","1","6","6","7","3","5","1") = "6"
    & skf21("5","1","6","6","7","3","6","1") = "6"
    & skf21("5","1","6","6","7","3","7","1") = "6"
    & skf21("5","1","6","6","7","4","1","1") = "6"
    & skf21("5","1","6","6","7","4","2","1") = "6"
    & skf21("5","1","6","6","7","4","3","1") = "6"
    & skf21("5","1","6","6","7","4","4","1") = "6"
    & skf21("5","1","6","6","7","4","5","1") = "6"
    & skf21("5","1","6","6","7","4","6","1") = "6"
    & skf21("5","1","6","6","7","4","7","1") = "6"
    & skf21("5","1","6","6","7","5","1","1") = "6"
    & skf21("5","1","6","6","7","5","2","1") = "6"
    & skf21("5","1","6","6","7","5","3","1") = "6"
    & skf21("5","1","6","6","7","5","4","1") = "6"
    & skf21("5","1","6","6","7","5","5","1") = "6"
    & skf21("5","1","6","6","7","5","6","1") = "6"
    & skf21("5","1","6","6","7","5","7","1") = "6"
    & skf21("5","1","6","6","7","6","1","1") = "6"
    & skf21("5","1","6","6","7","6","2","1") = "6"
    & skf21("5","1","6","6","7","6","3","1") = "6"
    & skf21("5","1","6","6","7","6","4","1") = "6"
    & skf21("5","1","6","6","7","6","5","1") = "6"
    & skf21("5","1","6","6","7","6","6","1") = "6"
    & skf21("5","1","6","6","7","6","7","1") = "6"
    & skf21("5","1","6","6","7","7","1","1") = "6"
    & skf21("5","1","6","6","7","7","2","1") = "6"
    & skf21("5","1","6","6","7","7","3","1") = "6"
    & skf21("5","1","6","6","7","7","4","1") = "6"
    & skf21("5","1","6","6","7","7","5","1") = "6"
    & skf21("5","1","6","6","7","7","6","1") = "6"
    & skf21("5","1","6","6","7","7","7","1") = "6"
    & skf21("5","1","6","7","1","1","1","1") = "6"
    & skf21("5","1","6","7","1","1","2","1") = "6"
    & skf21("5","1","6","7","1","1","3","1") = "6"
    & skf21("5","1","6","7","1","1","4","1") = "6"
    & skf21("5","1","6","7","1","1","5","1") = "6"
    & skf21("5","1","6","7","1","1","6","1") = "6"
    & skf21("5","1","6","7","1","1","7","1") = "6"
    & skf21("5","1","6","7","1","2","1","1") = "6"
    & skf21("5","1","6","7","1","2","2","1") = "6"
    & skf21("5","1","6","7","1","2","3","1") = "6"
    & skf21("5","1","6","7","1","2","4","1") = "6"
    & skf21("5","1","6","7","1","2","5","1") = "6"
    & skf21("5","1","6","7","1","2","6","1") = "6"
    & skf21("5","1","6","7","1","2","7","1") = "6"
    & skf21("5","1","6","7","1","3","1","1") = "6"
    & skf21("5","1","6","7","1","3","2","1") = "6"
    & skf21("5","1","6","7","1","3","3","1") = "6"
    & skf21("5","1","6","7","1","3","4","1") = "6"
    & skf21("5","1","6","7","1","3","5","1") = "6"
    & skf21("5","1","6","7","1","3","6","1") = "6"
    & skf21("5","1","6","7","1","3","7","1") = "6"
    & skf21("5","1","6","7","1","4","1","1") = "6"
    & skf21("5","1","6","7","1","4","2","1") = "6"
    & skf21("5","1","6","7","1","4","3","1") = "6"
    & skf21("5","1","6","7","1","4","4","1") = "6"
    & skf21("5","1","6","7","1","4","5","1") = "6"
    & skf21("5","1","6","7","1","4","6","1") = "6"
    & skf21("5","1","6","7","1","4","7","1") = "6"
    & skf21("5","1","6","7","1","5","1","1") = "6"
    & skf21("5","1","6","7","1","5","2","1") = "6"
    & skf21("5","1","6","7","1","5","3","1") = "6"
    & skf21("5","1","6","7","1","5","4","1") = "6"
    & skf21("5","1","6","7","1","5","5","1") = "6"
    & skf21("5","1","6","7","1","5","6","1") = "6"
    & skf21("5","1","6","7","1","5","7","1") = "6"
    & skf21("5","1","6","7","1","6","1","1") = "6"
    & skf21("5","1","6","7","1","6","2","1") = "6"
    & skf21("5","1","6","7","1","6","3","1") = "6"
    & skf21("5","1","6","7","1","6","4","1") = "6"
    & skf21("5","1","6","7","1","6","5","1") = "6"
    & skf21("5","1","6","7","1","6","6","1") = "6"
    & skf21("5","1","6","7","1","6","7","1") = "6"
    & skf21("5","1","6","7","1","7","1","1") = "6"
    & skf21("5","1","6","7","1","7","2","1") = "6"
    & skf21("5","1","6","7","1","7","3","1") = "6"
    & skf21("5","1","6","7","1","7","4","1") = "6"
    & skf21("5","1","6","7","1","7","5","1") = "6"
    & skf21("5","1","6","7","1","7","6","1") = "6"
    & skf21("5","1","6","7","1","7","7","1") = "6"
    & skf21("5","1","6","7","2","1","1","1") = "6"
    & skf21("5","1","6","7","2","1","2","1") = "6"
    & skf21("5","1","6","7","2","1","3","1") = "6"
    & skf21("5","1","6","7","2","1","4","1") = "6"
    & skf21("5","1","6","7","2","1","5","1") = "6"
    & skf21("5","1","6","7","2","1","6","1") = "6"
    & skf21("5","1","6","7","2","1","7","1") = "6"
    & skf21("5","1","6","7","2","2","1","1") = "6"
    & skf21("5","1","6","7","2","2","2","1") = "6"
    & skf21("5","1","6","7","2","2","3","1") = "6"
    & skf21("5","1","6","7","2","2","4","1") = "6"
    & skf21("5","1","6","7","2","2","5","1") = "6"
    & skf21("5","1","6","7","2","2","6","1") = "6"
    & skf21("5","1","6","7","2","2","7","1") = "6"
    & skf21("5","1","6","7","2","3","1","1") = "6"
    & skf21("5","1","6","7","2","3","2","1") = "6"
    & skf21("5","1","6","7","2","3","3","1") = "6"
    & skf21("5","1","6","7","2","3","4","1") = "6"
    & skf21("5","1","6","7","2","3","5","1") = "6"
    & skf21("5","1","6","7","2","3","6","1") = "6"
    & skf21("5","1","6","7","2","3","7","1") = "6"
    & skf21("5","1","6","7","2","4","1","1") = "6"
    & skf21("5","1","6","7","2","4","2","1") = "6"
    & skf21("5","1","6","7","2","4","3","1") = "6"
    & skf21("5","1","6","7","2","4","4","1") = "6"
    & skf21("5","1","6","7","2","4","5","1") = "6"
    & skf21("5","1","6","7","2","4","6","1") = "6"
    & skf21("5","1","6","7","2","4","7","1") = "6"
    & skf21("5","1","6","7","2","5","1","1") = "6"
    & skf21("5","1","6","7","2","5","2","1") = "6"
    & skf21("5","1","6","7","2","5","3","1") = "6"
    & skf21("5","1","6","7","2","5","4","1") = "6"
    & skf21("5","1","6","7","2","5","5","1") = "6"
    & skf21("5","1","6","7","2","5","6","1") = "6"
    & skf21("5","1","6","7","2","5","7","1") = "6"
    & skf21("5","1","6","7","2","6","1","1") = "6"
    & skf21("5","1","6","7","2","6","2","1") = "6"
    & skf21("5","1","6","7","2","6","3","1") = "6"
    & skf21("5","1","6","7","2","6","4","1") = "6"
    & skf21("5","1","6","7","2","6","5","1") = "6"
    & skf21("5","1","6","7","2","6","6","1") = "6"
    & skf21("5","1","6","7","2","6","7","1") = "6"
    & skf21("5","1","6","7","2","7","1","1") = "6"
    & skf21("5","1","6","7","2","7","2","1") = "6"
    & skf21("5","1","6","7","2","7","3","1") = "6"
    & skf21("5","1","6","7","2","7","4","1") = "6"
    & skf21("5","1","6","7","2","7","5","1") = "6"
    & skf21("5","1","6","7","2","7","6","1") = "6"
    & skf21("5","1","6","7","2","7","7","1") = "6"
    & skf21("5","1","6","7","3","1","1","1") = "6"
    & skf21("5","1","6","7","3","1","2","1") = "6"
    & skf21("5","1","6","7","3","1","3","1") = "6"
    & skf21("5","1","6","7","3","1","4","1") = "6"
    & skf21("5","1","6","7","3","1","5","1") = "6"
    & skf21("5","1","6","7","3","1","6","1") = "6"
    & skf21("5","1","6","7","3","1","7","1") = "6"
    & skf21("5","1","6","7","3","2","1","1") = "6"
    & skf21("5","1","6","7","3","2","2","1") = "6"
    & skf21("5","1","6","7","3","2","3","1") = "6"
    & skf21("5","1","6","7","3","2","4","1") = "6"
    & skf21("5","1","6","7","3","2","5","1") = "6"
    & skf21("5","1","6","7","3","2","6","1") = "6"
    & skf21("5","1","6","7","3","2","7","1") = "6"
    & skf21("5","1","6","7","3","3","1","1") = "6"
    & skf21("5","1","6","7","3","3","2","1") = "6"
    & skf21("5","1","6","7","3","3","3","1") = "6"
    & skf21("5","1","6","7","3","3","4","1") = "6"
    & skf21("5","1","6","7","3","3","5","1") = "6"
    & skf21("5","1","6","7","3","3","6","1") = "6"
    & skf21("5","1","6","7","3","3","7","1") = "6"
    & skf21("5","1","6","7","3","4","1","1") = "6"
    & skf21("5","1","6","7","3","4","2","1") = "6"
    & skf21("5","1","6","7","3","4","3","1") = "6"
    & skf21("5","1","6","7","3","4","4","1") = "6"
    & skf21("5","1","6","7","3","4","5","1") = "6"
    & skf21("5","1","6","7","3","4","6","1") = "6"
    & skf21("5","1","6","7","3","4","7","1") = "6"
    & skf21("5","1","6","7","3","5","1","1") = "6"
    & skf21("5","1","6","7","3","5","2","1") = "6"
    & skf21("5","1","6","7","3","5","3","1") = "6"
    & skf21("5","1","6","7","3","5","4","1") = "6"
    & skf21("5","1","6","7","3","5","5","1") = "6"
    & skf21("5","1","6","7","3","5","6","1") = "6"
    & skf21("5","1","6","7","3","5","7","1") = "6"
    & skf21("5","1","6","7","3","6","1","1") = "6"
    & skf21("5","1","6","7","3","6","2","1") = "6"
    & skf21("5","1","6","7","3","6","3","1") = "6"
    & skf21("5","1","6","7","3","6","4","1") = "6"
    & skf21("5","1","6","7","3","6","5","1") = "6"
    & skf21("5","1","6","7","3","6","6","1") = "6"
    & skf21("5","1","6","7","3","6","7","1") = "6"
    & skf21("5","1","6","7","3","7","1","1") = "6"
    & skf21("5","1","6","7","3","7","2","1") = "6"
    & skf21("5","1","6","7","3","7","3","1") = "6"
    & skf21("5","1","6","7","3","7","4","1") = "6"
    & skf21("5","1","6","7","3","7","5","1") = "6"
    & skf21("5","1","6","7","3","7","6","1") = "6"
    & skf21("5","1","6","7","3","7","7","1") = "6"
    & skf21("5","1","6","7","4","1","1","1") = "6"
    & skf21("5","1","6","7","4","1","2","1") = "6"
    & skf21("5","1","6","7","4","1","3","1") = "6"
    & skf21("5","1","6","7","4","1","4","1") = "6"
    & skf21("5","1","6","7","4","1","5","1") = "6"
    & skf21("5","1","6","7","4","1","6","1") = "6"
    & skf21("5","1","6","7","4","1","7","1") = "6"
    & skf21("5","1","6","7","4","2","1","1") = "6"
    & skf21("5","1","6","7","4","2","2","1") = "6"
    & skf21("5","1","6","7","4","2","3","1") = "6"
    & skf21("5","1","6","7","4","2","4","1") = "6"
    & skf21("5","1","6","7","4","2","5","1") = "6"
    & skf21("5","1","6","7","4","2","6","1") = "6"
    & skf21("5","1","6","7","4","2","7","1") = "6"
    & skf21("5","1","6","7","4","3","1","1") = "6"
    & skf21("5","1","6","7","4","3","2","1") = "6"
    & skf21("5","1","6","7","4","3","3","1") = "6"
    & skf21("5","1","6","7","4","3","4","1") = "6"
    & skf21("5","1","6","7","4","3","5","1") = "6"
    & skf21("5","1","6","7","4","3","6","1") = "6"
    & skf21("5","1","6","7","4","3","7","1") = "6"
    & skf21("5","1","6","7","4","4","1","1") = "6"
    & skf21("5","1","6","7","4","4","2","1") = "6"
    & skf21("5","1","6","7","4","4","3","1") = "6"
    & skf21("5","1","6","7","4","4","4","1") = "6"
    & skf21("5","1","6","7","4","4","5","1") = "6"
    & skf21("5","1","6","7","4","4","6","1") = "6"
    & skf21("5","1","6","7","4","4","7","1") = "6"
    & skf21("5","1","6","7","4","5","1","1") = "6"
    & skf21("5","1","6","7","4","5","2","1") = "6"
    & skf21("5","1","6","7","4","5","3","1") = "6"
    & skf21("5","1","6","7","4","5","4","1") = "6"
    & skf21("5","1","6","7","4","5","5","1") = "6"
    & skf21("5","1","6","7","4","5","6","1") = "6"
    & skf21("5","1","6","7","4","5","7","1") = "6"
    & skf21("5","1","6","7","4","6","1","1") = "6"
    & skf21("5","1","6","7","4","6","2","1") = "6"
    & skf21("5","1","6","7","4","6","3","1") = "6"
    & skf21("5","1","6","7","4","6","4","1") = "6"
    & skf21("5","1","6","7","4","6","5","1") = "6"
    & skf21("5","1","6","7","4","6","6","1") = "6"
    & skf21("5","1","6","7","4","6","7","1") = "6"
    & skf21("5","1","6","7","4","7","1","1") = "6"
    & skf21("5","1","6","7","4","7","2","1") = "6"
    & skf21("5","1","6","7","4","7","3","1") = "6"
    & skf21("5","1","6","7","4","7","4","1") = "6"
    & skf21("5","1","6","7","4","7","5","1") = "6"
    & skf21("5","1","6","7","4","7","6","1") = "6"
    & skf21("5","1","6","7","4","7","7","1") = "6"
    & skf21("5","1","6","7","5","1","1","1") = "6"
    & skf21("5","1","6","7","5","1","2","1") = "6"
    & skf21("5","1","6","7","5","1","3","1") = "6"
    & skf21("5","1","6","7","5","1","4","1") = "6"
    & skf21("5","1","6","7","5","1","5","1") = "6"
    & skf21("5","1","6","7","5","1","6","1") = "6"
    & skf21("5","1","6","7","5","1","7","1") = "6"
    & skf21("5","1","6","7","5","2","1","1") = "6"
    & skf21("5","1","6","7","5","2","2","1") = "6"
    & skf21("5","1","6","7","5","2","3","1") = "6"
    & skf21("5","1","6","7","5","2","4","1") = "6"
    & skf21("5","1","6","7","5","2","5","1") = "6"
    & skf21("5","1","6","7","5","2","6","1") = "6"
    & skf21("5","1","6","7","5","2","7","1") = "6"
    & skf21("5","1","6","7","5","3","1","1") = "6"
    & skf21("5","1","6","7","5","3","2","1") = "6"
    & skf21("5","1","6","7","5","3","3","1") = "6"
    & skf21("5","1","6","7","5","3","4","1") = "6"
    & skf21("5","1","6","7","5","3","5","1") = "6"
    & skf21("5","1","6","7","5","3","6","1") = "6"
    & skf21("5","1","6","7","5","3","7","1") = "6"
    & skf21("5","1","6","7","5","4","1","1") = "6"
    & skf21("5","1","6","7","5","4","2","1") = "6"
    & skf21("5","1","6","7","5","4","3","1") = "6"
    & skf21("5","1","6","7","5","4","4","1") = "6"
    & skf21("5","1","6","7","5","4","5","1") = "6"
    & skf21("5","1","6","7","5","4","6","1") = "6"
    & skf21("5","1","6","7","5","4","7","1") = "6"
    & skf21("5","1","6","7","5","5","1","1") = "6"
    & skf21("5","1","6","7","5","5","2","1") = "6"
    & skf21("5","1","6","7","5","5","3","1") = "6"
    & skf21("5","1","6","7","5","5","4","1") = "6"
    & skf21("5","1","6","7","5","5","5","1") = "6"
    & skf21("5","1","6","7","5","5","6","1") = "6"
    & skf21("5","1","6","7","5","5","7","1") = "6"
    & skf21("5","1","6","7","5","6","1","1") = "6"
    & skf21("5","1","6","7","5","6","2","1") = "6"
    & skf21("5","1","6","7","5","6","3","1") = "6"
    & skf21("5","1","6","7","5","6","4","1") = "6"
    & skf21("5","1","6","7","5","6","5","1") = "6"
    & skf21("5","1","6","7","5","6","6","1") = "6"
    & skf21("5","1","6","7","5","6","7","1") = "6"
    & skf21("5","1","6","7","5","7","1","1") = "6"
    & skf21("5","1","6","7","5","7","2","1") = "6"
    & skf21("5","1","6","7","5","7","3","1") = "6"
    & skf21("5","1","6","7","5","7","4","1") = "6"
    & skf21("5","1","6","7","5","7","5","1") = "6"
    & skf21("5","1","6","7","5","7","6","1") = "6"
    & skf21("5","1","6","7","5","7","7","1") = "6"
    & skf21("5","1","6","7","6","1","1","1") = "6"
    & skf21("5","1","6","7","6","1","2","1") = "6"
    & skf21("5","1","6","7","6","1","3","1") = "6"
    & skf21("5","1","6","7","6","1","4","1") = "6"
    & skf21("5","1","6","7","6","1","5","1") = "6"
    & skf21("5","1","6","7","6","1","6","1") = "6"
    & skf21("5","1","6","7","6","1","7","1") = "6"
    & skf21("5","1","6","7","6","2","1","1") = "6"
    & skf21("5","1","6","7","6","2","2","1") = "6"
    & skf21("5","1","6","7","6","2","3","1") = "6"
    & skf21("5","1","6","7","6","2","4","1") = "6"
    & skf21("5","1","6","7","6","2","5","1") = "6"
    & skf21("5","1","6","7","6","2","6","1") = "6"
    & skf21("5","1","6","7","6","2","7","1") = "6"
    & skf21("5","1","6","7","6","3","1","1") = "6"
    & skf21("5","1","6","7","6","3","2","1") = "6"
    & skf21("5","1","6","7","6","3","3","1") = "6"
    & skf21("5","1","6","7","6","3","4","1") = "6"
    & skf21("5","1","6","7","6","3","5","1") = "6"
    & skf21("5","1","6","7","6","3","6","1") = "6"
    & skf21("5","1","6","7","6","3","7","1") = "6"
    & skf21("5","1","6","7","6","4","1","1") = "6"
    & skf21("5","1","6","7","6","4","2","1") = "6"
    & skf21("5","1","6","7","6","4","3","1") = "6"
    & skf21("5","1","6","7","6","4","4","1") = "6"
    & skf21("5","1","6","7","6","4","5","1") = "6"
    & skf21("5","1","6","7","6","4","6","1") = "6"
    & skf21("5","1","6","7","6","4","7","1") = "6"
    & skf21("5","1","6","7","6","5","1","1") = "6"
    & skf21("5","1","6","7","6","5","2","1") = "6"
    & skf21("5","1","6","7","6","5","3","1") = "6"
    & skf21("5","1","6","7","6","5","4","1") = "6"
    & skf21("5","1","6","7","6","5","5","1") = "6"
    & skf21("5","1","6","7","6","5","6","1") = "6"
    & skf21("5","1","6","7","6","5","7","1") = "6"
    & skf21("5","1","6","7","6","6","1","1") = "6"
    & skf21("5","1","6","7","6","6","2","1") = "6"
    & skf21("5","1","6","7","6","6","3","1") = "6"
    & skf21("5","1","6","7","6","6","4","1") = "6"
    & skf21("5","1","6","7","6","6","5","1") = "6"
    & skf21("5","1","6","7","6","6","6","1") = "6"
    & skf21("5","1","6","7","6","6","7","1") = "6"
    & skf21("5","1","6","7","6","7","1","1") = "6"
    & skf21("5","1","6","7","6","7","2","1") = "6"
    & skf21("5","1","6","7","6","7","3","1") = "6"
    & skf21("5","1","6","7","6","7","4","1") = "6"
    & skf21("5","1","6","7","6","7","5","1") = "6"
    & skf21("5","1","6","7","6","7","6","1") = "6"
    & skf21("5","1","6","7","6","7","7","1") = "6"
    & skf21("5","1","6","7","7","1","1","1") = "6"
    & skf21("5","1","6","7","7","1","2","1") = "6"
    & skf21("5","1","6","7","7","1","3","1") = "6"
    & skf21("5","1","6","7","7","1","4","1") = "6"
    & skf21("5","1","6","7","7","1","5","1") = "6"
    & skf21("5","1","6","7","7","1","6","1") = "6"
    & skf21("5","1","6","7","7","1","7","1") = "6"
    & skf21("5","1","6","7","7","2","1","1") = "6"
    & skf21("5","1","6","7","7","2","2","1") = "6"
    & skf21("5","1","6","7","7","2","3","1") = "6"
    & skf21("5","1","6","7","7","2","4","1") = "6"
    & skf21("5","1","6","7","7","2","5","1") = "6"
    & skf21("5","1","6","7","7","2","6","1") = "6"
    & skf21("5","1","6","7","7","2","7","1") = "6"
    & skf21("5","1","6","7","7","3","1","1") = "6"
    & skf21("5","1","6","7","7","3","2","1") = "6"
    & skf21("5","1","6","7","7","3","3","1") = "6"
    & skf21("5","1","6","7","7","3","4","1") = "6"
    & skf21("5","1","6","7","7","3","5","1") = "6"
    & skf21("5","1","6","7","7","3","6","1") = "6"
    & skf21("5","1","6","7","7","3","7","1") = "6"
    & skf21("5","1","6","7","7","4","1","1") = "6"
    & skf21("5","1","6","7","7","4","2","1") = "6"
    & skf21("5","1","6","7","7","4","3","1") = "6"
    & skf21("5","1","6","7","7","4","4","1") = "6"
    & skf21("5","1","6","7","7","4","5","1") = "6"
    & skf21("5","1","6","7","7","4","6","1") = "6"
    & skf21("5","1","6","7","7","4","7","1") = "6"
    & skf21("5","1","6","7","7","5","1","1") = "6"
    & skf21("5","1","6","7","7","5","2","1") = "6"
    & skf21("5","1","6","7","7","5","3","1") = "6"
    & skf21("5","1","6","7","7","5","4","1") = "6"
    & skf21("5","1","6","7","7","5","5","1") = "6"
    & skf21("5","1","6","7","7","5","6","1") = "6"
    & skf21("5","1","6","7","7","5","7","1") = "6"
    & skf21("5","1","6","7","7","6","1","1") = "6"
    & skf21("5","1","6","7","7","6","2","1") = "6"
    & skf21("5","1","6","7","7","6","3","1") = "6"
    & skf21("5","1","6","7","7","6","4","1") = "6"
    & skf21("5","1","6","7","7","6","5","1") = "6"
    & skf21("5","1","6","7","7","6","6","1") = "6"
    & skf21("5","1","6","7","7","6","7","1") = "6"
    & skf21("5","1","6","7","7","7","1","1") = "6"
    & skf21("5","1","6","7","7","7","2","1") = "6"
    & skf21("5","1","6","7","7","7","3","1") = "6"
    & skf21("5","1","6","7","7","7","4","1") = "6"
    & skf21("5","1","6","7","7","7","5","1") = "6"
    & skf21("5","1","6","7","7","7","6","1") = "6"
    & skf21("5","1","6","7","7","7","7","1") = "6"
    & skf21("5","1","7","1","1","1","1","1") = "6"
    & skf21("5","1","7","1","1","1","2","1") = "6"
    & skf21("5","1","7","1","1","1","3","1") = "6"
    & skf21("5","1","7","1","1","1","4","1") = "6"
    & skf21("5","1","7","1","1","1","5","1") = "6"
    & skf21("5","1","7","1","1","1","6","1") = "6"
    & skf21("5","1","7","1","1","1","7","1") = "6"
    & skf21("5","1","7","1","1","2","1","1") = "6"
    & skf21("5","1","7","1","1","2","2","1") = "6"
    & skf21("5","1","7","1","1","2","3","1") = "6"
    & skf21("5","1","7","1","1","2","4","1") = "6"
    & skf21("5","1","7","1","1","2","5","1") = "6"
    & skf21("5","1","7","1","1","2","6","1") = "6"
    & skf21("5","1","7","1","1","2","7","1") = "6"
    & skf21("5","1","7","1","1","3","1","1") = "6"
    & skf21("5","1","7","1","1","3","2","1") = "6"
    & skf21("5","1","7","1","1","3","3","1") = "6"
    & skf21("5","1","7","1","1","3","4","1") = "6"
    & skf21("5","1","7","1","1","3","5","1") = "6"
    & skf21("5","1","7","1","1","3","6","1") = "6"
    & skf21("5","1","7","1","1","3","7","1") = "6"
    & skf21("5","1","7","1","1","4","1","1") = "6"
    & skf21("5","1","7","1","1","4","2","1") = "6"
    & skf21("5","1","7","1","1","4","3","1") = "6"
    & skf21("5","1","7","1","1","4","4","1") = "6"
    & skf21("5","1","7","1","1","4","5","1") = "6"
    & skf21("5","1","7","1","1","4","6","1") = "6"
    & skf21("5","1","7","1","1","4","7","1") = "6"
    & skf21("5","1","7","1","1","5","1","1") = "6"
    & skf21("5","1","7","1","1","5","2","1") = "6"
    & skf21("5","1","7","1","1","5","3","1") = "6"
    & skf21("5","1","7","1","1","5","4","1") = "6"
    & skf21("5","1","7","1","1","5","5","1") = "6"
    & skf21("5","1","7","1","1","5","6","1") = "6"
    & skf21("5","1","7","1","1","5","7","1") = "6"
    & skf21("5","1","7","1","1","6","1","1") = "6"
    & skf21("5","1","7","1","1","6","2","1") = "6"
    & skf21("5","1","7","1","1","6","3","1") = "6"
    & skf21("5","1","7","1","1","6","4","1") = "6"
    & skf21("5","1","7","1","1","6","5","1") = "6"
    & skf21("5","1","7","1","1","6","6","1") = "6"
    & skf21("5","1","7","1","1","6","7","1") = "6"
    & skf21("5","1","7","1","1","7","1","1") = "6"
    & skf21("5","1","7","1","1","7","2","1") = "6"
    & skf21("5","1","7","1","1","7","3","1") = "6"
    & skf21("5","1","7","1","1","7","4","1") = "6"
    & skf21("5","1","7","1","1","7","5","1") = "6"
    & skf21("5","1","7","1","1","7","6","1") = "6"
    & skf21("5","1","7","1","1","7","7","1") = "6"
    & skf21("5","1","7","1","2","1","1","1") = "6"
    & skf21("5","1","7","1","2","1","2","1") = "6"
    & skf21("5","1","7","1","2","1","3","1") = "6"
    & skf21("5","1","7","1","2","1","4","1") = "6"
    & skf21("5","1","7","1","2","1","5","1") = "6"
    & skf21("5","1","7","1","2","1","6","1") = "6"
    & skf21("5","1","7","1","2","1","7","1") = "6"
    & skf21("5","1","7","1","2","2","1","1") = "6"
    & skf21("5","1","7","1","2","2","2","1") = "6"
    & skf21("5","1","7","1","2","2","3","1") = "6"
    & skf21("5","1","7","1","2","2","4","1") = "6"
    & skf21("5","1","7","1","2","2","5","1") = "6"
    & skf21("5","1","7","1","2","2","6","1") = "6"
    & skf21("5","1","7","1","2","2","7","1") = "6"
    & skf21("5","1","7","1","2","3","1","1") = "6"
    & skf21("5","1","7","1","2","3","2","1") = "6"
    & skf21("5","1","7","1","2","3","3","1") = "6"
    & skf21("5","1","7","1","2","3","4","1") = "6"
    & skf21("5","1","7","1","2","3","5","1") = "6"
    & skf21("5","1","7","1","2","3","6","1") = "6"
    & skf21("5","1","7","1","2","3","7","1") = "6"
    & skf21("5","1","7","1","2","4","1","1") = "6"
    & skf21("5","1","7","1","2","4","2","1") = "6"
    & skf21("5","1","7","1","2","4","3","1") = "6"
    & skf21("5","1","7","1","2","4","4","1") = "6"
    & skf21("5","1","7","1","2","4","5","1") = "6"
    & skf21("5","1","7","1","2","4","6","1") = "6"
    & skf21("5","1","7","1","2","4","7","1") = "6"
    & skf21("5","1","7","1","2","5","1","1") = "6"
    & skf21("5","1","7","1","2","5","2","1") = "6"
    & skf21("5","1","7","1","2","5","3","1") = "6"
    & skf21("5","1","7","1","2","5","4","1") = "6"
    & skf21("5","1","7","1","2","5","5","1") = "6"
    & skf21("5","1","7","1","2","5","6","1") = "6"
    & skf21("5","1","7","1","2","5","7","1") = "6"
    & skf21("5","1","7","1","2","6","1","1") = "6"
    & skf21("5","1","7","1","2","6","2","1") = "6"
    & skf21("5","1","7","1","2","6","3","1") = "6"
    & skf21("5","1","7","1","2","6","4","1") = "6"
    & skf21("5","1","7","1","2","6","5","1") = "6"
    & skf21("5","1","7","1","2","6","6","1") = "6"
    & skf21("5","1","7","1","2","6","7","1") = "6"
    & skf21("5","1","7","1","2","7","1","1") = "6"
    & skf21("5","1","7","1","2","7","2","1") = "6"
    & skf21("5","1","7","1","2","7","3","1") = "6"
    & skf21("5","1","7","1","2","7","4","1") = "6"
    & skf21("5","1","7","1","2","7","5","1") = "6"
    & skf21("5","1","7","1","2","7","6","1") = "6"
    & skf21("5","1","7","1","2","7","7","1") = "6"
    & skf21("5","1","7","1","3","1","1","1") = "6"
    & skf21("5","1","7","1","3","1","2","1") = "6"
    & skf21("5","1","7","1","3","1","3","1") = "6"
    & skf21("5","1","7","1","3","1","4","1") = "6"
    & skf21("5","1","7","1","3","1","5","1") = "6"
    & skf21("5","1","7","1","3","1","6","1") = "6"
    & skf21("5","1","7","1","3","1","7","1") = "6"
    & skf21("5","1","7","1","3","2","1","1") = "6"
    & skf21("5","1","7","1","3","2","2","1") = "6"
    & skf21("5","1","7","1","3","2","3","1") = "6"
    & skf21("5","1","7","1","3","2","4","1") = "6"
    & skf21("5","1","7","1","3","2","5","1") = "6"
    & skf21("5","1","7","1","3","2","6","1") = "6"
    & skf21("5","1","7","1","3","2","7","1") = "6"
    & skf21("5","1","7","1","3","3","1","1") = "6"
    & skf21("5","1","7","1","3","3","2","1") = "6"
    & skf21("5","1","7","1","3","3","3","1") = "6"
    & skf21("5","1","7","1","3","3","4","1") = "6"
    & skf21("5","1","7","1","3","3","5","1") = "6"
    & skf21("5","1","7","1","3","3","6","1") = "6"
    & skf21("5","1","7","1","3","3","7","1") = "6"
    & skf21("5","1","7","1","3","4","1","1") = "6"
    & skf21("5","1","7","1","3","4","2","1") = "6"
    & skf21("5","1","7","1","3","4","3","1") = "6"
    & skf21("5","1","7","1","3","4","4","1") = "6"
    & skf21("5","1","7","1","3","4","5","1") = "6"
    & skf21("5","1","7","1","3","4","6","1") = "6"
    & skf21("5","1","7","1","3","4","7","1") = "6"
    & skf21("5","1","7","1","3","5","1","1") = "6"
    & skf21("5","1","7","1","3","5","2","1") = "6"
    & skf21("5","1","7","1","3","5","3","1") = "6"
    & skf21("5","1","7","1","3","5","4","1") = "6"
    & skf21("5","1","7","1","3","5","5","1") = "6"
    & skf21("5","1","7","1","3","5","6","1") = "6"
    & skf21("5","1","7","1","3","5","7","1") = "6"
    & skf21("5","1","7","1","3","6","1","1") = "6"
    & skf21("5","1","7","1","3","6","2","1") = "6"
    & skf21("5","1","7","1","3","6","3","1") = "6"
    & skf21("5","1","7","1","3","6","4","1") = "6"
    & skf21("5","1","7","1","3","6","5","1") = "6"
    & skf21("5","1","7","1","3","6","6","1") = "6"
    & skf21("5","1","7","1","3","6","7","1") = "6"
    & skf21("5","1","7","1","3","7","1","1") = "6"
    & skf21("5","1","7","1","3","7","2","1") = "6"
    & skf21("5","1","7","1","3","7","3","1") = "6"
    & skf21("5","1","7","1","3","7","4","1") = "6"
    & skf21("5","1","7","1","3","7","5","1") = "6"
    & skf21("5","1","7","1","3","7","6","1") = "6"
    & skf21("5","1","7","1","3","7","7","1") = "6"
    & skf21("5","1","7","1","4","1","1","1") = "6"
    & skf21("5","1","7","1","4","1","2","1") = "6"
    & skf21("5","1","7","1","4","1","3","1") = "6"
    & skf21("5","1","7","1","4","1","4","1") = "6"
    & skf21("5","1","7","1","4","1","5","1") = "6"
    & skf21("5","1","7","1","4","1","6","1") = "6"
    & skf21("5","1","7","1","4","1","7","1") = "6"
    & skf21("5","1","7","1","4","2","1","1") = "6"
    & skf21("5","1","7","1","4","2","2","1") = "6"
    & skf21("5","1","7","1","4","2","3","1") = "6"
    & skf21("5","1","7","1","4","2","4","1") = "6"
    & skf21("5","1","7","1","4","2","5","1") = "6"
    & skf21("5","1","7","1","4","2","6","1") = "6"
    & skf21("5","1","7","1","4","2","7","1") = "6"
    & skf21("5","1","7","1","4","3","1","1") = "6"
    & skf21("5","1","7","1","4","3","2","1") = "6"
    & skf21("5","1","7","1","4","3","3","1") = "6"
    & skf21("5","1","7","1","4","3","4","1") = "6"
    & skf21("5","1","7","1","4","3","5","1") = "6"
    & skf21("5","1","7","1","4","3","6","1") = "6"
    & skf21("5","1","7","1","4","3","7","1") = "6"
    & skf21("5","1","7","1","4","4","1","1") = "6"
    & skf21("5","1","7","1","4","4","2","1") = "6"
    & skf21("5","1","7","1","4","4","3","1") = "6"
    & skf21("5","1","7","1","4","4","4","1") = "6"
    & skf21("5","1","7","1","4","4","5","1") = "6"
    & skf21("5","1","7","1","4","4","6","1") = "6"
    & skf21("5","1","7","1","4","4","7","1") = "6"
    & skf21("5","1","7","1","4","5","1","1") = "6"
    & skf21("5","1","7","1","4","5","2","1") = "6"
    & skf21("5","1","7","1","4","5","3","1") = "6"
    & skf21("5","1","7","1","4","5","4","1") = "6"
    & skf21("5","1","7","1","4","5","5","1") = "6"
    & skf21("5","1","7","1","4","5","6","1") = "6"
    & skf21("5","1","7","1","4","5","7","1") = "6"
    & skf21("5","1","7","1","4","6","1","1") = "6"
    & skf21("5","1","7","1","4","6","2","1") = "6"
    & skf21("5","1","7","1","4","6","3","1") = "6"
    & skf21("5","1","7","1","4","6","4","1") = "6"
    & skf21("5","1","7","1","4","6","5","1") = "6"
    & skf21("5","1","7","1","4","6","6","1") = "6"
    & skf21("5","1","7","1","4","6","7","1") = "6"
    & skf21("5","1","7","1","4","7","1","1") = "6"
    & skf21("5","1","7","1","4","7","2","1") = "6"
    & skf21("5","1","7","1","4","7","3","1") = "6"
    & skf21("5","1","7","1","4","7","4","1") = "6"
    & skf21("5","1","7","1","4","7","5","1") = "6"
    & skf21("5","1","7","1","4","7","6","1") = "6"
    & skf21("5","1","7","1","4","7","7","1") = "6"
    & skf21("5","1","7","1","5","1","1","1") = "6"
    & skf21("5","1","7","1","5","1","2","1") = "6"
    & skf21("5","1","7","1","5","1","3","1") = "6"
    & skf21("5","1","7","1","5","1","4","1") = "6"
    & skf21("5","1","7","1","5","1","5","1") = "6"
    & skf21("5","1","7","1","5","1","6","1") = "6"
    & skf21("5","1","7","1","5","1","7","1") = "6"
    & skf21("5","1","7","1","5","2","1","1") = "6"
    & skf21("5","1","7","1","5","2","2","1") = "6"
    & skf21("5","1","7","1","5","2","3","1") = "6"
    & skf21("5","1","7","1","5","2","4","1") = "6"
    & skf21("5","1","7","1","5","2","5","1") = "6"
    & skf21("5","1","7","1","5","2","6","1") = "6"
    & skf21("5","1","7","1","5","2","7","1") = "6"
    & skf21("5","1","7","1","5","3","1","1") = "6"
    & skf21("5","1","7","1","5","3","2","1") = "6"
    & skf21("5","1","7","1","5","3","3","1") = "6"
    & skf21("5","1","7","1","5","3","4","1") = "6"
    & skf21("5","1","7","1","5","3","5","1") = "6"
    & skf21("5","1","7","1","5","3","6","1") = "6"
    & skf21("5","1","7","1","5","3","7","1") = "6"
    & skf21("5","1","7","1","5","4","1","1") = "6"
    & skf21("5","1","7","1","5","4","2","1") = "6"
    & skf21("5","1","7","1","5","4","3","1") = "6"
    & skf21("5","1","7","1","5","4","4","1") = "6"
    & skf21("5","1","7","1","5","4","5","1") = "6"
    & skf21("5","1","7","1","5","4","6","1") = "6"
    & skf21("5","1","7","1","5","4","7","1") = "6"
    & skf21("5","1","7","1","5","5","1","1") = "6"
    & skf21("5","1","7","1","5","5","2","1") = "6"
    & skf21("5","1","7","1","5","5","3","1") = "6"
    & skf21("5","1","7","1","5","5","4","1") = "6"
    & skf21("5","1","7","1","5","5","5","1") = "6"
    & skf21("5","1","7","1","5","5","6","1") = "6"
    & skf21("5","1","7","1","5","5","7","1") = "6"
    & skf21("5","1","7","1","5","6","1","1") = "6"
    & skf21("5","1","7","1","5","6","2","1") = "6"
    & skf21("5","1","7","1","5","6","3","1") = "6"
    & skf21("5","1","7","1","5","6","4","1") = "6"
    & skf21("5","1","7","1","5","6","5","1") = "6"
    & skf21("5","1","7","1","5","6","6","1") = "6"
    & skf21("5","1","7","1","5","6","7","1") = "6"
    & skf21("5","1","7","1","5","7","1","1") = "6"
    & skf21("5","1","7","1","5","7","2","1") = "6"
    & skf21("5","1","7","1","5","7","3","1") = "6"
    & skf21("5","1","7","1","5","7","4","1") = "6"
    & skf21("5","1","7","1","5","7","5","1") = "6"
    & skf21("5","1","7","1","5","7","6","1") = "6"
    & skf21("5","1","7","1","5","7","7","1") = "6"
    & skf21("5","1","7","1","6","1","1","1") = "6"
    & skf21("5","1","7","1","6","1","2","1") = "6"
    & skf21("5","1","7","1","6","1","3","1") = "6"
    & skf21("5","1","7","1","6","1","4","1") = "6"
    & skf21("5","1","7","1","6","1","5","1") = "6"
    & skf21("5","1","7","1","6","1","6","1") = "6"
    & skf21("5","1","7","1","6","1","7","1") = "6"
    & skf21("5","1","7","1","6","2","1","1") = "6"
    & skf21("5","1","7","1","6","2","2","1") = "6"
    & skf21("5","1","7","1","6","2","3","1") = "6"
    & skf21("5","1","7","1","6","2","4","1") = "6"
    & skf21("5","1","7","1","6","2","5","1") = "6"
    & skf21("5","1","7","1","6","2","6","1") = "6"
    & skf21("5","1","7","1","6","2","7","1") = "6"
    & skf21("5","1","7","1","6","3","1","1") = "6"
    & skf21("5","1","7","1","6","3","2","1") = "6"
    & skf21("5","1","7","1","6","3","3","1") = "6"
    & skf21("5","1","7","1","6","3","4","1") = "6"
    & skf21("5","1","7","1","6","3","5","1") = "6"
    & skf21("5","1","7","1","6","3","6","1") = "6"
    & skf21("5","1","7","1","6","3","7","1") = "6"
    & skf21("5","1","7","1","6","4","1","1") = "6"
    & skf21("5","1","7","1","6","4","2","1") = "6"
    & skf21("5","1","7","1","6","4","3","1") = "6"
    & skf21("5","1","7","1","6","4","4","1") = "6"
    & skf21("5","1","7","1","6","4","5","1") = "6"
    & skf21("5","1","7","1","6","4","6","1") = "6"
    & skf21("5","1","7","1","6","4","7","1") = "6"
    & skf21("5","1","7","1","6","5","1","1") = "6"
    & skf21("5","1","7","1","6","5","2","1") = "6"
    & skf21("5","1","7","1","6","5","3","1") = "6"
    & skf21("5","1","7","1","6","5","4","1") = "6"
    & skf21("5","1","7","1","6","5","5","1") = "6"
    & skf21("5","1","7","1","6","5","6","1") = "6"
    & skf21("5","1","7","1","6","5","7","1") = "6"
    & skf21("5","1","7","1","6","6","1","1") = "6"
    & skf21("5","1","7","1","6","6","2","1") = "6"
    & skf21("5","1","7","1","6","6","3","1") = "6"
    & skf21("5","1","7","1","6","6","4","1") = "6"
    & skf21("5","1","7","1","6","6","5","1") = "6"
    & skf21("5","1","7","1","6","6","6","1") = "6"
    & skf21("5","1","7","1","6","6","7","1") = "6"
    & skf21("5","1","7","1","6","7","1","1") = "6"
    & skf21("5","1","7","1","6","7","2","1") = "6"
    & skf21("5","1","7","1","6","7","3","1") = "6"
    & skf21("5","1","7","1","6","7","4","1") = "6"
    & skf21("5","1","7","1","6","7","5","1") = "6"
    & skf21("5","1","7","1","6","7","6","1") = "6"
    & skf21("5","1","7","1","6","7","7","1") = "6"
    & skf21("5","1","7","1","7","1","1","1") = "6"
    & skf21("5","1","7","1","7","1","2","1") = "6"
    & skf21("5","1","7","1","7","1","3","1") = "6"
    & skf21("5","1","7","1","7","1","4","1") = "6"
    & skf21("5","1","7","1","7","1","5","1") = "6"
    & skf21("5","1","7","1","7","1","6","1") = "6"
    & skf21("5","1","7","1","7","1","7","1") = "6"
    & skf21("5","1","7","1","7","2","1","1") = "6"
    & skf21("5","1","7","1","7","2","2","1") = "6"
    & skf21("5","1","7","1","7","2","3","1") = "6"
    & skf21("5","1","7","1","7","2","4","1") = "6"
    & skf21("5","1","7","1","7","2","5","1") = "6"
    & skf21("5","1","7","1","7","2","6","1") = "6"
    & skf21("5","1","7","1","7","2","7","1") = "6"
    & skf21("5","1","7","1","7","3","1","1") = "6"
    & skf21("5","1","7","1","7","3","2","1") = "6"
    & skf21("5","1","7","1","7","3","3","1") = "6"
    & skf21("5","1","7","1","7","3","4","1") = "6"
    & skf21("5","1","7","1","7","3","5","1") = "6"
    & skf21("5","1","7","1","7","3","6","1") = "6"
    & skf21("5","1","7","1","7","3","7","1") = "6"
    & skf21("5","1","7","1","7","4","1","1") = "6"
    & skf21("5","1","7","1","7","4","2","1") = "6"
    & skf21("5","1","7","1","7","4","3","1") = "6"
    & skf21("5","1","7","1","7","4","4","1") = "6"
    & skf21("5","1","7","1","7","4","5","1") = "6"
    & skf21("5","1","7","1","7","4","6","1") = "6"
    & skf21("5","1","7","1","7","4","7","1") = "6"
    & skf21("5","1","7","1","7","5","1","1") = "6"
    & skf21("5","1","7","1","7","5","2","1") = "6"
    & skf21("5","1","7","1","7","5","3","1") = "6"
    & skf21("5","1","7","1","7","5","4","1") = "6"
    & skf21("5","1","7","1","7","5","5","1") = "6"
    & skf21("5","1","7","1","7","5","6","1") = "6"
    & skf21("5","1","7","1","7","5","7","1") = "6"
    & skf21("5","1","7","1","7","6","1","1") = "6"
    & skf21("5","1","7","1","7","6","2","1") = "6"
    & skf21("5","1","7","1","7","6","3","1") = "6"
    & skf21("5","1","7","1","7","6","4","1") = "6"
    & skf21("5","1","7","1","7","6","5","1") = "6"
    & skf21("5","1","7","1","7","6","6","1") = "6"
    & skf21("5","1","7","1","7","6","7","1") = "6"
    & skf21("5","1","7","1","7","7","1","1") = "6"
    & skf21("5","1","7","1","7","7","2","1") = "6"
    & skf21("5","1","7","1","7","7","3","1") = "6"
    & skf21("5","1","7","1","7","7","4","1") = "6"
    & skf21("5","1","7","1","7","7","5","1") = "6"
    & skf21("5","1","7","1","7","7","6","1") = "6"
    & skf21("5","1","7","1","7","7","7","1") = "6"
    & skf21("5","1","7","2","1","1","1","1") = "6"
    & skf21("5","1","7","2","1","1","2","1") = "6"
    & skf21("5","1","7","2","1","1","3","1") = "6"
    & skf21("5","1","7","2","1","1","4","1") = "6"
    & skf21("5","1","7","2","1","1","5","1") = "6"
    & skf21("5","1","7","2","1","1","6","1") = "6"
    & skf21("5","1","7","2","1","1","7","1") = "6"
    & skf21("5","1","7","2","1","2","1","1") = "6"
    & skf21("5","1","7","2","1","2","2","1") = "6"
    & skf21("5","1","7","2","1","2","3","1") = "6"
    & skf21("5","1","7","2","1","2","4","1") = "6"
    & skf21("5","1","7","2","1","2","5","1") = "6"
    & skf21("5","1","7","2","1","2","6","1") = "6"
    & skf21("5","1","7","2","1","2","7","1") = "6"
    & skf21("5","1","7","2","1","3","1","1") = "6"
    & skf21("5","1","7","2","1","3","2","1") = "6"
    & skf21("5","1","7","2","1","3","3","1") = "6"
    & skf21("5","1","7","2","1","3","4","1") = "6"
    & skf21("5","1","7","2","1","3","5","1") = "6"
    & skf21("5","1","7","2","1","3","6","1") = "6"
    & skf21("5","1","7","2","1","3","7","1") = "6"
    & skf21("5","1","7","2","1","4","1","1") = "6"
    & skf21("5","1","7","2","1","4","2","1") = "6"
    & skf21("5","1","7","2","1","4","3","1") = "6"
    & skf21("5","1","7","2","1","4","4","1") = "6"
    & skf21("5","1","7","2","1","4","5","1") = "6"
    & skf21("5","1","7","2","1","4","6","1") = "6"
    & skf21("5","1","7","2","1","4","7","1") = "6"
    & skf21("5","1","7","2","1","5","1","1") = "6"
    & skf21("5","1","7","2","1","5","2","1") = "6"
    & skf21("5","1","7","2","1","5","3","1") = "6"
    & skf21("5","1","7","2","1","5","4","1") = "6"
    & skf21("5","1","7","2","1","5","5","1") = "6"
    & skf21("5","1","7","2","1","5","6","1") = "6"
    & skf21("5","1","7","2","1","5","7","1") = "6"
    & skf21("5","1","7","2","1","6","1","1") = "6"
    & skf21("5","1","7","2","1","6","2","1") = "6"
    & skf21("5","1","7","2","1","6","3","1") = "6"
    & skf21("5","1","7","2","1","6","4","1") = "6"
    & skf21("5","1","7","2","1","6","5","1") = "6"
    & skf21("5","1","7","2","1","6","6","1") = "6"
    & skf21("5","1","7","2","1","6","7","1") = "6"
    & skf21("5","1","7","2","1","7","1","1") = "6"
    & skf21("5","1","7","2","1","7","2","1") = "6"
    & skf21("5","1","7","2","1","7","3","1") = "6"
    & skf21("5","1","7","2","1","7","4","1") = "6"
    & skf21("5","1","7","2","1","7","5","1") = "6"
    & skf21("5","1","7","2","1","7","6","1") = "6"
    & skf21("5","1","7","2","1","7","7","1") = "6"
    & skf21("5","1","7","2","2","1","1","1") = "6"
    & skf21("5","1","7","2","2","1","2","1") = "6"
    & skf21("5","1","7","2","2","1","3","1") = "6"
    & skf21("5","1","7","2","2","1","4","1") = "6"
    & skf21("5","1","7","2","2","1","5","1") = "6"
    & skf21("5","1","7","2","2","1","6","1") = "6"
    & skf21("5","1","7","2","2","1","7","1") = "6"
    & skf21("5","1","7","2","2","2","1","1") = "6"
    & skf21("5","1","7","2","2","2","2","1") = "6"
    & skf21("5","1","7","2","2","2","3","1") = "6"
    & skf21("5","1","7","2","2","2","4","1") = "6"
    & skf21("5","1","7","2","2","2","5","1") = "6"
    & skf21("5","1","7","2","2","2","6","1") = "6"
    & skf21("5","1","7","2","2","2","7","1") = "6"
    & skf21("5","1","7","2","2","3","1","1") = "6"
    & skf21("5","1","7","2","2","3","2","1") = "6"
    & skf21("5","1","7","2","2","3","3","1") = "6"
    & skf21("5","1","7","2","2","3","4","1") = "6"
    & skf21("5","1","7","2","2","3","5","1") = "6"
    & skf21("5","1","7","2","2","3","6","1") = "6"
    & skf21("5","1","7","2","2","3","7","1") = "6"
    & skf21("5","1","7","2","2","4","1","1") = "6"
    & skf21("5","1","7","2","2","4","2","1") = "6"
    & skf21("5","1","7","2","2","4","3","1") = "6"
    & skf21("5","1","7","2","2","4","4","1") = "6"
    & skf21("5","1","7","2","2","4","5","1") = "6"
    & skf21("5","1","7","2","2","4","6","1") = "6"
    & skf21("5","1","7","2","2","4","7","1") = "6"
    & skf21("5","1","7","2","2","5","1","1") = "6"
    & skf21("5","1","7","2","2","5","2","1") = "6"
    & skf21("5","1","7","2","2","5","3","1") = "6"
    & skf21("5","1","7","2","2","5","4","1") = "6"
    & skf21("5","1","7","2","2","5","5","1") = "6"
    & skf21("5","1","7","2","2","5","6","1") = "6"
    & skf21("5","1","7","2","2","5","7","1") = "6"
    & skf21("5","1","7","2","2","6","1","1") = "6"
    & skf21("5","1","7","2","2","6","2","1") = "6"
    & skf21("5","1","7","2","2","6","3","1") = "6"
    & skf21("5","1","7","2","2","6","4","1") = "6"
    & skf21("5","1","7","2","2","6","5","1") = "6"
    & skf21("5","1","7","2","2","6","6","1") = "6"
    & skf21("5","1","7","2","2","6","7","1") = "6"
    & skf21("5","1","7","2","2","7","1","1") = "6"
    & skf21("5","1","7","2","2","7","2","1") = "6"
    & skf21("5","1","7","2","2","7","3","1") = "6"
    & skf21("5","1","7","2","2","7","4","1") = "6"
    & skf21("5","1","7","2","2","7","5","1") = "6"
    & skf21("5","1","7","2","2","7","6","1") = "6"
    & skf21("5","1","7","2","2","7","7","1") = "6"
    & skf21("5","1","7","2","3","1","1","1") = "6"
    & skf21("5","1","7","2","3","1","2","1") = "6"
    & skf21("5","1","7","2","3","1","3","1") = "6"
    & skf21("5","1","7","2","3","1","4","1") = "6"
    & skf21("5","1","7","2","3","1","5","1") = "6"
    & skf21("5","1","7","2","3","1","6","1") = "6"
    & skf21("5","1","7","2","3","1","7","1") = "6"
    & skf21("5","1","7","2","3","2","1","1") = "6"
    & skf21("5","1","7","2","3","2","2","1") = "6"
    & skf21("5","1","7","2","3","2","3","1") = "6"
    & skf21("5","1","7","2","3","2","4","1") = "6"
    & skf21("5","1","7","2","3","2","5","1") = "6"
    & skf21("5","1","7","2","3","2","6","1") = "6"
    & skf21("5","1","7","2","3","2","7","1") = "6"
    & skf21("5","1","7","2","3","3","1","1") = "6"
    & skf21("5","1","7","2","3","3","2","1") = "6"
    & skf21("5","1","7","2","3","3","3","1") = "6"
    & skf21("5","1","7","2","3","3","4","1") = "6"
    & skf21("5","1","7","2","3","3","5","1") = "6"
    & skf21("5","1","7","2","3","3","6","1") = "6"
    & skf21("5","1","7","2","3","3","7","1") = "6"
    & skf21("5","1","7","2","3","4","1","1") = "6"
    & skf21("5","1","7","2","3","4","2","1") = "6"
    & skf21("5","1","7","2","3","4","3","1") = "6"
    & skf21("5","1","7","2","3","4","4","1") = "6"
    & skf21("5","1","7","2","3","4","5","1") = "6"
    & skf21("5","1","7","2","3","4","6","1") = "6"
    & skf21("5","1","7","2","3","4","7","1") = "6"
    & skf21("5","1","7","2","3","5","1","1") = "6"
    & skf21("5","1","7","2","3","5","2","1") = "6"
    & skf21("5","1","7","2","3","5","3","1") = "6"
    & skf21("5","1","7","2","3","5","4","1") = "6"
    & skf21("5","1","7","2","3","5","5","1") = "6"
    & skf21("5","1","7","2","3","5","6","1") = "6"
    & skf21("5","1","7","2","3","5","7","1") = "6"
    & skf21("5","1","7","2","3","6","1","1") = "6"
    & skf21("5","1","7","2","3","6","2","1") = "6"
    & skf21("5","1","7","2","3","6","3","1") = "6"
    & skf21("5","1","7","2","3","6","4","1") = "6"
    & skf21("5","1","7","2","3","6","5","1") = "6"
    & skf21("5","1","7","2","3","6","6","1") = "6"
    & skf21("5","1","7","2","3","6","7","1") = "6"
    & skf21("5","1","7","2","3","7","1","1") = "6"
    & skf21("5","1","7","2","3","7","2","1") = "6"
    & skf21("5","1","7","2","3","7","3","1") = "6"
    & skf21("5","1","7","2","3","7","4","1") = "6"
    & skf21("5","1","7","2","3","7","5","1") = "6"
    & skf21("5","1","7","2","3","7","6","1") = "6"
    & skf21("5","1","7","2","3","7","7","1") = "6"
    & skf21("5","1","7","2","4","1","1","1") = "6"
    & skf21("5","1","7","2","4","1","2","1") = "6"
    & skf21("5","1","7","2","4","1","3","1") = "6"
    & skf21("5","1","7","2","4","1","4","1") = "6"
    & skf21("5","1","7","2","4","1","5","1") = "6"
    & skf21("5","1","7","2","4","1","6","1") = "6"
    & skf21("5","1","7","2","4","1","7","1") = "6"
    & skf21("5","1","7","2","4","2","1","1") = "6"
    & skf21("5","1","7","2","4","2","2","1") = "6"
    & skf21("5","1","7","2","4","2","3","1") = "6"
    & skf21("5","1","7","2","4","2","4","1") = "6"
    & skf21("5","1","7","2","4","2","5","1") = "6"
    & skf21("5","1","7","2","4","2","6","1") = "6"
    & skf21("5","1","7","2","4","2","7","1") = "6"
    & skf21("5","1","7","2","4","3","1","1") = "6"
    & skf21("5","1","7","2","4","3","2","1") = "6"
    & skf21("5","1","7","2","4","3","3","1") = "6"
    & skf21("5","1","7","2","4","3","4","1") = "6"
    & skf21("5","1","7","2","4","3","5","1") = "6"
    & skf21("5","1","7","2","4","3","6","1") = "6"
    & skf21("5","1","7","2","4","3","7","1") = "6"
    & skf21("5","1","7","2","4","4","1","1") = "6"
    & skf21("5","1","7","2","4","4","2","1") = "6"
    & skf21("5","1","7","2","4","4","3","1") = "6"
    & skf21("5","1","7","2","4","4","4","1") = "6"
    & skf21("5","1","7","2","4","4","5","1") = "6"
    & skf21("5","1","7","2","4","4","6","1") = "6"
    & skf21("5","1","7","2","4","4","7","1") = "6"
    & skf21("5","1","7","2","4","5","1","1") = "6"
    & skf21("5","1","7","2","4","5","2","1") = "6"
    & skf21("5","1","7","2","4","5","3","1") = "6"
    & skf21("5","1","7","2","4","5","4","1") = "6"
    & skf21("5","1","7","2","4","5","5","1") = "6"
    & skf21("5","1","7","2","4","5","6","1") = "6"
    & skf21("5","1","7","2","4","5","7","1") = "6"
    & skf21("5","1","7","2","4","6","1","1") = "6"
    & skf21("5","1","7","2","4","6","2","1") = "6"
    & skf21("5","1","7","2","4","6","3","1") = "6"
    & skf21("5","1","7","2","4","6","4","1") = "6"
    & skf21("5","1","7","2","4","6","5","1") = "6"
    & skf21("5","1","7","2","4","6","6","1") = "6"
    & skf21("5","1","7","2","4","6","7","1") = "6"
    & skf21("5","1","7","2","4","7","1","1") = "6"
    & skf21("5","1","7","2","4","7","2","1") = "6"
    & skf21("5","1","7","2","4","7","3","1") = "6"
    & skf21("5","1","7","2","4","7","4","1") = "6"
    & skf21("5","1","7","2","4","7","5","1") = "6"
    & skf21("5","1","7","2","4","7","6","1") = "6"
    & skf21("5","1","7","2","4","7","7","1") = "6"
    & skf21("5","1","7","2","5","1","1","1") = "6"
    & skf21("5","1","7","2","5","1","2","1") = "6"
    & skf21("5","1","7","2","5","1","3","1") = "6"
    & skf21("5","1","7","2","5","1","4","1") = "6"
    & skf21("5","1","7","2","5","1","5","1") = "6"
    & skf21("5","1","7","2","5","1","6","1") = "6"
    & skf21("5","1","7","2","5","1","7","1") = "6"
    & skf21("5","1","7","2","5","2","1","1") = "6"
    & skf21("5","1","7","2","5","2","2","1") = "6"
    & skf21("5","1","7","2","5","2","3","1") = "6"
    & skf21("5","1","7","2","5","2","4","1") = "6"
    & skf21("5","1","7","2","5","2","5","1") = "6"
    & skf21("5","1","7","2","5","2","6","1") = "6"
    & skf21("5","1","7","2","5","2","7","1") = "6"
    & skf21("5","1","7","2","5","3","1","1") = "6"
    & skf21("5","1","7","2","5","3","2","1") = "6"
    & skf21("5","1","7","2","5","3","3","1") = "6"
    & skf21("5","1","7","2","5","3","4","1") = "6"
    & skf21("5","1","7","2","5","3","5","1") = "6"
    & skf21("5","1","7","2","5","3","6","1") = "6"
    & skf21("5","1","7","2","5","3","7","1") = "6"
    & skf21("5","1","7","2","5","4","1","1") = "6"
    & skf21("5","1","7","2","5","4","2","1") = "6"
    & skf21("5","1","7","2","5","4","3","1") = "6"
    & skf21("5","1","7","2","5","4","4","1") = "6"
    & skf21("5","1","7","2","5","4","5","1") = "6"
    & skf21("5","1","7","2","5","4","6","1") = "6"
    & skf21("5","1","7","2","5","4","7","1") = "6"
    & skf21("5","1","7","2","5","5","1","1") = "6"
    & skf21("5","1","7","2","5","5","2","1") = "6"
    & skf21("5","1","7","2","5","5","3","1") = "6"
    & skf21("5","1","7","2","5","5","4","1") = "6"
    & skf21("5","1","7","2","5","5","5","1") = "6"
    & skf21("5","1","7","2","5","5","6","1") = "6"
    & skf21("5","1","7","2","5","5","7","1") = "6"
    & skf21("5","1","7","2","5","6","1","1") = "6"
    & skf21("5","1","7","2","5","6","2","1") = "6"
    & skf21("5","1","7","2","5","6","3","1") = "6"
    & skf21("5","1","7","2","5","6","4","1") = "6"
    & skf21("5","1","7","2","5","6","5","1") = "6"
    & skf21("5","1","7","2","5","6","6","1") = "6"
    & skf21("5","1","7","2","5","6","7","1") = "6"
    & skf21("5","1","7","2","5","7","1","1") = "6"
    & skf21("5","1","7","2","5","7","2","1") = "6"
    & skf21("5","1","7","2","5","7","3","1") = "6"
    & skf21("5","1","7","2","5","7","4","1") = "6"
    & skf21("5","1","7","2","5","7","5","1") = "6"
    & skf21("5","1","7","2","5","7","6","1") = "6"
    & skf21("5","1","7","2","5","7","7","1") = "6"
    & skf21("5","1","7","2","6","1","1","1") = "6"
    & skf21("5","1","7","2","6","1","2","1") = "6"
    & skf21("5","1","7","2","6","1","3","1") = "6"
    & skf21("5","1","7","2","6","1","4","1") = "6"
    & skf21("5","1","7","2","6","1","5","1") = "6"
    & skf21("5","1","7","2","6","1","6","1") = "6"
    & skf21("5","1","7","2","6","1","7","1") = "6"
    & skf21("5","1","7","2","6","2","1","1") = "6"
    & skf21("5","1","7","2","6","2","2","1") = "6"
    & skf21("5","1","7","2","6","2","3","1") = "6"
    & skf21("5","1","7","2","6","2","4","1") = "6"
    & skf21("5","1","7","2","6","2","5","1") = "6"
    & skf21("5","1","7","2","6","2","6","1") = "6"
    & skf21("5","1","7","2","6","2","7","1") = "6"
    & skf21("5","1","7","2","6","3","1","1") = "6"
    & skf21("5","1","7","2","6","3","2","1") = "6"
    & skf21("5","1","7","2","6","3","3","1") = "6"
    & skf21("5","1","7","2","6","3","4","1") = "6"
    & skf21("5","1","7","2","6","3","5","1") = "6"
    & skf21("5","1","7","2","6","3","6","1") = "6"
    & skf21("5","1","7","2","6","3","7","1") = "6"
    & skf21("5","1","7","2","6","4","1","1") = "6"
    & skf21("5","1","7","2","6","4","2","1") = "6"
    & skf21("5","1","7","2","6","4","3","1") = "6"
    & skf21("5","1","7","2","6","4","4","1") = "6"
    & skf21("5","1","7","2","6","4","5","1") = "6"
    & skf21("5","1","7","2","6","4","6","1") = "6"
    & skf21("5","1","7","2","6","4","7","1") = "6"
    & skf21("5","1","7","2","6","5","1","1") = "6"
    & skf21("5","1","7","2","6","5","2","1") = "6"
    & skf21("5","1","7","2","6","5","3","1") = "6"
    & skf21("5","1","7","2","6","5","4","1") = "6"
    & skf21("5","1","7","2","6","5","5","1") = "6"
    & skf21("5","1","7","2","6","5","6","1") = "6"
    & skf21("5","1","7","2","6","5","7","1") = "6"
    & skf21("5","1","7","2","6","6","1","1") = "6"
    & skf21("5","1","7","2","6","6","2","1") = "6"
    & skf21("5","1","7","2","6","6","3","1") = "6"
    & skf21("5","1","7","2","6","6","4","1") = "6"
    & skf21("5","1","7","2","6","6","5","1") = "6"
    & skf21("5","1","7","2","6","6","6","1") = "6"
    & skf21("5","1","7","2","6","6","7","1") = "6"
    & skf21("5","1","7","2","6","7","1","1") = "6"
    & skf21("5","1","7","2","6","7","2","1") = "6"
    & skf21("5","1","7","2","6","7","3","1") = "6"
    & skf21("5","1","7","2","6","7","4","1") = "6"
    & skf21("5","1","7","2","6","7","5","1") = "6"
    & skf21("5","1","7","2","6","7","6","1") = "6"
    & skf21("5","1","7","2","6","7","7","1") = "6"
    & skf21("5","1","7","2","7","1","1","1") = "6"
    & skf21("5","1","7","2","7","1","2","1") = "6"
    & skf21("5","1","7","2","7","1","3","1") = "6"
    & skf21("5","1","7","2","7","1","4","1") = "6"
    & skf21("5","1","7","2","7","1","5","1") = "6"
    & skf21("5","1","7","2","7","1","6","1") = "6"
    & skf21("5","1","7","2","7","1","7","1") = "6"
    & skf21("5","1","7","2","7","2","1","1") = "6"
    & skf21("5","1","7","2","7","2","2","1") = "6"
    & skf21("5","1","7","2","7","2","3","1") = "6"
    & skf21("5","1","7","2","7","2","4","1") = "6"
    & skf21("5","1","7","2","7","2","5","1") = "6"
    & skf21("5","1","7","2","7","2","6","1") = "6"
    & skf21("5","1","7","2","7","2","7","1") = "6"
    & skf21("5","1","7","2","7","3","1","1") = "6"
    & skf21("5","1","7","2","7","3","2","1") = "6"
    & skf21("5","1","7","2","7","3","3","1") = "6"
    & skf21("5","1","7","2","7","3","4","1") = "6"
    & skf21("5","1","7","2","7","3","5","1") = "6"
    & skf21("5","1","7","2","7","3","6","1") = "6"
    & skf21("5","1","7","2","7","3","7","1") = "6"
    & skf21("5","1","7","2","7","4","1","1") = "6"
    & skf21("5","1","7","2","7","4","2","1") = "6"
    & skf21("5","1","7","2","7","4","3","1") = "6"
    & skf21("5","1","7","2","7","4","4","1") = "6"
    & skf21("5","1","7","2","7","4","5","1") = "6"
    & skf21("5","1","7","2","7","4","6","1") = "6"
    & skf21("5","1","7","2","7","4","7","1") = "6"
    & skf21("5","1","7","2","7","5","1","1") = "6"
    & skf21("5","1","7","2","7","5","2","1") = "6"
    & skf21("5","1","7","2","7","5","3","1") = "6"
    & skf21("5","1","7","2","7","5","4","1") = "6"
    & skf21("5","1","7","2","7","5","5","1") = "6"
    & skf21("5","1","7","2","7","5","6","1") = "6"
    & skf21("5","1","7","2","7","5","7","1") = "6"
    & skf21("5","1","7","2","7","6","1","1") = "6"
    & skf21("5","1","7","2","7","6","2","1") = "6"
    & skf21("5","1","7","2","7","6","3","1") = "6"
    & skf21("5","1","7","2","7","6","4","1") = "6"
    & skf21("5","1","7","2","7","6","5","1") = "6"
    & skf21("5","1","7","2","7","6","6","1") = "6"
    & skf21("5","1","7","2","7","6","7","1") = "6"
    & skf21("5","1","7","2","7","7","1","1") = "6"
    & skf21("5","1","7","2","7","7","2","1") = "6"
    & skf21("5","1","7","2","7","7","3","1") = "6"
    & skf21("5","1","7","2","7","7","4","1") = "6"
    & skf21("5","1","7","2","7","7","5","1") = "6"
    & skf21("5","1","7","2","7","7","6","1") = "6"
    & skf21("5","1","7","2","7","7","7","1") = "6"
    & skf21("5","1","7","3","1","1","1","1") = "6"
    & skf21("5","1","7","3","1","1","2","1") = "6"
    & skf21("5","1","7","3","1","1","3","1") = "6"
    & skf21("5","1","7","3","1","1","4","1") = "6"
    & skf21("5","1","7","3","1","1","5","1") = "6"
    & skf21("5","1","7","3","1","1","6","1") = "6"
    & skf21("5","1","7","3","1","1","7","1") = "6"
    & skf21("5","1","7","3","1","2","1","1") = "6"
    & skf21("5","1","7","3","1","2","2","1") = "6"
    & skf21("5","1","7","3","1","2","3","1") = "6"
    & skf21("5","1","7","3","1","2","4","1") = "6"
    & skf21("5","1","7","3","1","2","5","1") = "6"
    & skf21("5","1","7","3","1","2","6","1") = "6"
    & skf21("5","1","7","3","1","2","7","1") = "6"
    & skf21("5","1","7","3","1","3","1","1") = "6"
    & skf21("5","1","7","3","1","3","2","1") = "6"
    & skf21("5","1","7","3","1","3","3","1") = "6"
    & skf21("5","1","7","3","1","3","4","1") = "6"
    & skf21("5","1","7","3","1","3","5","1") = "6"
    & skf21("5","1","7","3","1","3","6","1") = "6"
    & skf21("5","1","7","3","1","3","7","1") = "6"
    & skf21("5","1","7","3","1","4","1","1") = "6"
    & skf21("5","1","7","3","1","4","2","1") = "6"
    & skf21("5","1","7","3","1","4","3","1") = "6"
    & skf21("5","1","7","3","1","4","4","1") = "6"
    & skf21("5","1","7","3","1","4","5","1") = "6"
    & skf21("5","1","7","3","1","4","6","1") = "6"
    & skf21("5","1","7","3","1","4","7","1") = "6"
    & skf21("5","1","7","3","1","5","1","1") = "6"
    & skf21("5","1","7","3","1","5","2","1") = "6"
    & skf21("5","1","7","3","1","5","3","1") = "6"
    & skf21("5","1","7","3","1","5","4","1") = "6"
    & skf21("5","1","7","3","1","5","5","1") = "6"
    & skf21("5","1","7","3","1","5","6","1") = "6"
    & skf21("5","1","7","3","1","5","7","1") = "6"
    & skf21("5","1","7","3","1","6","1","1") = "6"
    & skf21("5","1","7","3","1","6","2","1") = "6"
    & skf21("5","1","7","3","1","6","3","1") = "6"
    & skf21("5","1","7","3","1","6","4","1") = "6"
    & skf21("5","1","7","3","1","6","5","1") = "6"
    & skf21("5","1","7","3","1","6","6","1") = "6"
    & skf21("5","1","7","3","1","6","7","1") = "6"
    & skf21("5","1","7","3","1","7","1","1") = "6"
    & skf21("5","1","7","3","1","7","2","1") = "6"
    & skf21("5","1","7","3","1","7","3","1") = "6"
    & skf21("5","1","7","3","1","7","4","1") = "6"
    & skf21("5","1","7","3","1","7","5","1") = "6"
    & skf21("5","1","7","3","1","7","6","1") = "6"
    & skf21("5","1","7","3","1","7","7","1") = "6"
    & skf21("5","1","7","3","2","1","1","1") = "6"
    & skf21("5","1","7","3","2","1","2","1") = "6"
    & skf21("5","1","7","3","2","1","3","1") = "6"
    & skf21("5","1","7","3","2","1","4","1") = "6"
    & skf21("5","1","7","3","2","1","5","1") = "6"
    & skf21("5","1","7","3","2","1","6","1") = "6"
    & skf21("5","1","7","3","2","1","7","1") = "6"
    & skf21("5","1","7","3","2","2","1","1") = "6"
    & skf21("5","1","7","3","2","2","2","1") = "6"
    & skf21("5","1","7","3","2","2","3","1") = "6"
    & skf21("5","1","7","3","2","2","4","1") = "6"
    & skf21("5","1","7","3","2","2","5","1") = "6"
    & skf21("5","1","7","3","2","2","6","1") = "6"
    & skf21("5","1","7","3","2","2","7","1") = "6"
    & skf21("5","1","7","3","2","3","1","1") = "6"
    & skf21("5","1","7","3","2","3","2","1") = "6"
    & skf21("5","1","7","3","2","3","3","1") = "6"
    & skf21("5","1","7","3","2","3","4","1") = "6"
    & skf21("5","1","7","3","2","3","5","1") = "6"
    & skf21("5","1","7","3","2","3","6","1") = "6"
    & skf21("5","1","7","3","2","3","7","1") = "6"
    & skf21("5","1","7","3","2","4","1","1") = "6"
    & skf21("5","1","7","3","2","4","2","1") = "6"
    & skf21("5","1","7","3","2","4","3","1") = "6"
    & skf21("5","1","7","3","2","4","4","1") = "6"
    & skf21("5","1","7","3","2","4","5","1") = "6"
    & skf21("5","1","7","3","2","4","6","1") = "6"
    & skf21("5","1","7","3","2","4","7","1") = "6"
    & skf21("5","1","7","3","2","5","1","1") = "6"
    & skf21("5","1","7","3","2","5","2","1") = "6"
    & skf21("5","1","7","3","2","5","3","1") = "6"
    & skf21("5","1","7","3","2","5","4","1") = "6"
    & skf21("5","1","7","3","2","5","5","1") = "6"
    & skf21("5","1","7","3","2","5","6","1") = "6"
    & skf21("5","1","7","3","2","5","7","1") = "6"
    & skf21("5","1","7","3","2","6","1","1") = "6"
    & skf21("5","1","7","3","2","6","2","1") = "6"
    & skf21("5","1","7","3","2","6","3","1") = "6"
    & skf21("5","1","7","3","2","6","4","1") = "6"
    & skf21("5","1","7","3","2","6","5","1") = "6"
    & skf21("5","1","7","3","2","6","6","1") = "6"
    & skf21("5","1","7","3","2","6","7","1") = "6"
    & skf21("5","1","7","3","2","7","1","1") = "6"
    & skf21("5","1","7","3","2","7","2","1") = "6"
    & skf21("5","1","7","3","2","7","3","1") = "6"
    & skf21("5","1","7","3","2","7","4","1") = "6"
    & skf21("5","1","7","3","2","7","5","1") = "6"
    & skf21("5","1","7","3","2","7","6","1") = "6"
    & skf21("5","1","7","3","2","7","7","1") = "6"
    & skf21("5","1","7","3","3","1","1","1") = "6"
    & skf21("5","1","7","3","3","1","2","1") = "6"
    & skf21("5","1","7","3","3","1","3","1") = "6"
    & skf21("5","1","7","3","3","1","4","1") = "6"
    & skf21("5","1","7","3","3","1","5","1") = "6"
    & skf21("5","1","7","3","3","1","6","1") = "6"
    & skf21("5","1","7","3","3","1","7","1") = "6"
    & skf21("5","1","7","3","3","2","1","1") = "6"
    & skf21("5","1","7","3","3","2","2","1") = "6"
    & skf21("5","1","7","3","3","2","3","1") = "6"
    & skf21("5","1","7","3","3","2","4","1") = "6"
    & skf21("5","1","7","3","3","2","5","1") = "6"
    & skf21("5","1","7","3","3","2","6","1") = "6"
    & skf21("5","1","7","3","3","2","7","1") = "6"
    & skf21("5","1","7","3","3","3","1","1") = "6"
    & skf21("5","1","7","3","3","3","2","1") = "6"
    & skf21("5","1","7","3","3","3","3","1") = "6"
    & skf21("5","1","7","3","3","3","4","1") = "6"
    & skf21("5","1","7","3","3","3","5","1") = "6"
    & skf21("5","1","7","3","3","3","6","1") = "6"
    & skf21("5","1","7","3","3","3","7","1") = "6"
    & skf21("5","1","7","3","3","4","1","1") = "6"
    & skf21("5","1","7","3","3","4","2","1") = "6"
    & skf21("5","1","7","3","3","4","3","1") = "6"
    & skf21("5","1","7","3","3","4","4","1") = "6"
    & skf21("5","1","7","3","3","4","5","1") = "6"
    & skf21("5","1","7","3","3","4","6","1") = "6"
    & skf21("5","1","7","3","3","4","7","1") = "6"
    & skf21("5","1","7","3","3","5","1","1") = "6"
    & skf21("5","1","7","3","3","5","2","1") = "6"
    & skf21("5","1","7","3","3","5","3","1") = "6"
    & skf21("5","1","7","3","3","5","4","1") = "6"
    & skf21("5","1","7","3","3","5","5","1") = "6"
    & skf21("5","1","7","3","3","5","6","1") = "6"
    & skf21("5","1","7","3","3","5","7","1") = "6"
    & skf21("5","1","7","3","3","6","1","1") = "6"
    & skf21("5","1","7","3","3","6","2","1") = "6"
    & skf21("5","1","7","3","3","6","3","1") = "6"
    & skf21("5","1","7","3","3","6","4","1") = "6"
    & skf21("5","1","7","3","3","6","5","1") = "6"
    & skf21("5","1","7","3","3","6","6","1") = "6"
    & skf21("5","1","7","3","3","6","7","1") = "6"
    & skf21("5","1","7","3","3","7","1","1") = "6"
    & skf21("5","1","7","3","3","7","2","1") = "6"
    & skf21("5","1","7","3","3","7","3","1") = "6"
    & skf21("5","1","7","3","3","7","4","1") = "6"
    & skf21("5","1","7","3","3","7","5","1") = "6"
    & skf21("5","1","7","3","3","7","6","1") = "6"
    & skf21("5","1","7","3","3","7","7","1") = "6"
    & skf21("5","1","7","3","4","1","1","1") = "6"
    & skf21("5","1","7","3","4","1","2","1") = "6"
    & skf21("5","1","7","3","4","1","3","1") = "6"
    & skf21("5","1","7","3","4","1","4","1") = "6"
    & skf21("5","1","7","3","4","1","5","1") = "6"
    & skf21("5","1","7","3","4","1","6","1") = "6"
    & skf21("5","1","7","3","4","1","7","1") = "6"
    & skf21("5","1","7","3","4","2","1","1") = "6"
    & skf21("5","1","7","3","4","2","2","1") = "6"
    & skf21("5","1","7","3","4","2","3","1") = "6"
    & skf21("5","1","7","3","4","2","4","1") = "6"
    & skf21("5","1","7","3","4","2","5","1") = "6"
    & skf21("5","1","7","3","4","2","6","1") = "6"
    & skf21("5","1","7","3","4","2","7","1") = "6"
    & skf21("5","1","7","3","4","3","1","1") = "6"
    & skf21("5","1","7","3","4","3","2","1") = "6"
    & skf21("5","1","7","3","4","3","3","1") = "6"
    & skf21("5","1","7","3","4","3","4","1") = "6"
    & skf21("5","1","7","3","4","3","5","1") = "6"
    & skf21("5","1","7","3","4","3","6","1") = "6"
    & skf21("5","1","7","3","4","3","7","1") = "6"
    & skf21("5","1","7","3","4","4","1","1") = "6"
    & skf21("5","1","7","3","4","4","2","1") = "6"
    & skf21("5","1","7","3","4","4","3","1") = "6"
    & skf21("5","1","7","3","4","4","4","1") = "6"
    & skf21("5","1","7","3","4","4","5","1") = "6"
    & skf21("5","1","7","3","4","4","6","1") = "6"
    & skf21("5","1","7","3","4","4","7","1") = "6"
    & skf21("5","1","7","3","4","5","1","1") = "6"
    & skf21("5","1","7","3","4","5","2","1") = "6"
    & skf21("5","1","7","3","4","5","3","1") = "6"
    & skf21("5","1","7","3","4","5","4","1") = "6"
    & skf21("5","1","7","3","4","5","5","1") = "6"
    & skf21("5","1","7","3","4","5","6","1") = "6"
    & skf21("5","1","7","3","4","5","7","1") = "6"
    & skf21("5","1","7","3","4","6","1","1") = "6"
    & skf21("5","1","7","3","4","6","2","1") = "6"
    & skf21("5","1","7","3","4","6","3","1") = "6"
    & skf21("5","1","7","3","4","6","4","1") = "6"
    & skf21("5","1","7","3","4","6","5","1") = "6"
    & skf21("5","1","7","3","4","6","6","1") = "6"
    & skf21("5","1","7","3","4","6","7","1") = "6"
    & skf21("5","1","7","3","4","7","1","1") = "6"
    & skf21("5","1","7","3","4","7","2","1") = "6"
    & skf21("5","1","7","3","4","7","3","1") = "6"
    & skf21("5","1","7","3","4","7","4","1") = "6"
    & skf21("5","1","7","3","4","7","5","1") = "6"
    & skf21("5","1","7","3","4","7","6","1") = "6"
    & skf21("5","1","7","3","4","7","7","1") = "6"
    & skf21("5","1","7","3","5","1","1","1") = "6"
    & skf21("5","1","7","3","5","1","2","1") = "6"
    & skf21("5","1","7","3","5","1","3","1") = "6"
    & skf21("5","1","7","3","5","1","4","1") = "6"
    & skf21("5","1","7","3","5","1","5","1") = "6"
    & skf21("5","1","7","3","5","1","6","1") = "6"
    & skf21("5","1","7","3","5","1","7","1") = "6"
    & skf21("5","1","7","3","5","2","1","1") = "6"
    & skf21("5","1","7","3","5","2","2","1") = "6"
    & skf21("5","1","7","3","5","2","3","1") = "6"
    & skf21("5","1","7","3","5","2","4","1") = "6"
    & skf21("5","1","7","3","5","2","5","1") = "6"
    & skf21("5","1","7","3","5","2","6","1") = "6"
    & skf21("5","1","7","3","5","2","7","1") = "6"
    & skf21("5","1","7","3","5","3","1","1") = "6"
    & skf21("5","1","7","3","5","3","2","1") = "6"
    & skf21("5","1","7","3","5","3","3","1") = "6"
    & skf21("5","1","7","3","5","3","4","1") = "6"
    & skf21("5","1","7","3","5","3","5","1") = "6"
    & skf21("5","1","7","3","5","3","6","1") = "6"
    & skf21("5","1","7","3","5","3","7","1") = "6"
    & skf21("5","1","7","3","5","4","1","1") = "6"
    & skf21("5","1","7","3","5","4","2","1") = "6"
    & skf21("5","1","7","3","5","4","3","1") = "6"
    & skf21("5","1","7","3","5","4","4","1") = "6"
    & skf21("5","1","7","3","5","4","5","1") = "6"
    & skf21("5","1","7","3","5","4","6","1") = "6"
    & skf21("5","1","7","3","5","4","7","1") = "6"
    & skf21("5","1","7","3","5","5","1","1") = "6"
    & skf21("5","1","7","3","5","5","2","1") = "6"
    & skf21("5","1","7","3","5","5","3","1") = "6"
    & skf21("5","1","7","3","5","5","4","1") = "6"
    & skf21("5","1","7","3","5","5","5","1") = "6"
    & skf21("5","1","7","3","5","5","6","1") = "6"
    & skf21("5","1","7","3","5","5","7","1") = "6"
    & skf21("5","1","7","3","5","6","1","1") = "6"
    & skf21("5","1","7","3","5","6","2","1") = "6"
    & skf21("5","1","7","3","5","6","3","1") = "6"
    & skf21("5","1","7","3","5","6","4","1") = "6"
    & skf21("5","1","7","3","5","6","5","1") = "6"
    & skf21("5","1","7","3","5","6","6","1") = "6"
    & skf21("5","1","7","3","5","6","7","1") = "6"
    & skf21("5","1","7","3","5","7","1","1") = "6"
    & skf21("5","1","7","3","5","7","2","1") = "6"
    & skf21("5","1","7","3","5","7","3","1") = "6"
    & skf21("5","1","7","3","5","7","4","1") = "6"
    & skf21("5","1","7","3","5","7","5","1") = "6"
    & skf21("5","1","7","3","5","7","6","1") = "6"
    & skf21("5","1","7","3","5","7","7","1") = "6"
    & skf21("5","1","7","3","6","1","1","1") = "6"
    & skf21("5","1","7","3","6","1","2","1") = "6"
    & skf21("5","1","7","3","6","1","3","1") = "6"
    & skf21("5","1","7","3","6","1","4","1") = "6"
    & skf21("5","1","7","3","6","1","5","1") = "6"
    & skf21("5","1","7","3","6","1","6","1") = "6"
    & skf21("5","1","7","3","6","1","7","1") = "6"
    & skf21("5","1","7","3","6","2","1","1") = "6"
    & skf21("5","1","7","3","6","2","2","1") = "6"
    & skf21("5","1","7","3","6","2","3","1") = "6"
    & skf21("5","1","7","3","6","2","4","1") = "6"
    & skf21("5","1","7","3","6","2","5","1") = "6"
    & skf21("5","1","7","3","6","2","6","1") = "6"
    & skf21("5","1","7","3","6","2","7","1") = "6"
    & skf21("5","1","7","3","6","3","1","1") = "6"
    & skf21("5","1","7","3","6","3","2","1") = "6"
    & skf21("5","1","7","3","6","3","3","1") = "6"
    & skf21("5","1","7","3","6","3","4","1") = "6"
    & skf21("5","1","7","3","6","3","5","1") = "6"
    & skf21("5","1","7","3","6","3","6","1") = "6"
    & skf21("5","1","7","3","6","3","7","1") = "6"
    & skf21("5","1","7","3","6","4","1","1") = "6"
    & skf21("5","1","7","3","6","4","2","1") = "6"
    & skf21("5","1","7","3","6","4","3","1") = "6"
    & skf21("5","1","7","3","6","4","4","1") = "6"
    & skf21("5","1","7","3","6","4","5","1") = "6"
    & skf21("5","1","7","3","6","4","6","1") = "6"
    & skf21("5","1","7","3","6","4","7","1") = "6"
    & skf21("5","1","7","3","6","5","1","1") = "6"
    & skf21("5","1","7","3","6","5","2","1") = "6"
    & skf21("5","1","7","3","6","5","3","1") = "6"
    & skf21("5","1","7","3","6","5","4","1") = "6"
    & skf21("5","1","7","3","6","5","5","1") = "6"
    & skf21("5","1","7","3","6","5","6","1") = "6"
    & skf21("5","1","7","3","6","5","7","1") = "6"
    & skf21("5","1","7","3","6","6","1","1") = "6"
    & skf21("5","1","7","3","6","6","2","1") = "6"
    & skf21("5","1","7","3","6","6","3","1") = "6"
    & skf21("5","1","7","3","6","6","4","1") = "6"
    & skf21("5","1","7","3","6","6","5","1") = "6"
    & skf21("5","1","7","3","6","6","6","1") = "6"
    & skf21("5","1","7","3","6","6","7","1") = "6"
    & skf21("5","1","7","3","6","7","1","1") = "6"
    & skf21("5","1","7","3","6","7","2","1") = "6"
    & skf21("5","1","7","3","6","7","3","1") = "6"
    & skf21("5","1","7","3","6","7","4","1") = "6"
    & skf21("5","1","7","3","6","7","5","1") = "6"
    & skf21("5","1","7","3","6","7","6","1") = "6"
    & skf21("5","1","7","3","6","7","7","1") = "6"
    & skf21("5","1","7","3","7","1","1","1") = "6"
    & skf21("5","1","7","3","7","1","2","1") = "6"
    & skf21("5","1","7","3","7","1","3","1") = "6"
    & skf21("5","1","7","3","7","1","4","1") = "6"
    & skf21("5","1","7","3","7","1","5","1") = "6"
    & skf21("5","1","7","3","7","1","6","1") = "6"
    & skf21("5","1","7","3","7","1","7","1") = "6"
    & skf21("5","1","7","3","7","2","1","1") = "6"
    & skf21("5","1","7","3","7","2","2","1") = "6"
    & skf21("5","1","7","3","7","2","3","1") = "6"
    & skf21("5","1","7","3","7","2","4","1") = "6"
    & skf21("5","1","7","3","7","2","5","1") = "6"
    & skf21("5","1","7","3","7","2","6","1") = "6"
    & skf21("5","1","7","3","7","2","7","1") = "6"
    & skf21("5","1","7","3","7","3","1","1") = "6"
    & skf21("5","1","7","3","7","3","2","1") = "6"
    & skf21("5","1","7","3","7","3","3","1") = "6"
    & skf21("5","1","7","3","7","3","4","1") = "6"
    & skf21("5","1","7","3","7","3","5","1") = "6"
    & skf21("5","1","7","3","7","3","6","1") = "6"
    & skf21("5","1","7","3","7","3","7","1") = "6"
    & skf21("5","1","7","3","7","4","1","1") = "6"
    & skf21("5","1","7","3","7","4","2","1") = "6"
    & skf21("5","1","7","3","7","4","3","1") = "6"
    & skf21("5","1","7","3","7","4","4","1") = "6"
    & skf21("5","1","7","3","7","4","5","1") = "6"
    & skf21("5","1","7","3","7","4","6","1") = "6"
    & skf21("5","1","7","3","7","4","7","1") = "6"
    & skf21("5","1","7","3","7","5","1","1") = "6"
    & skf21("5","1","7","3","7","5","2","1") = "6"
    & skf21("5","1","7","3","7","5","3","1") = "6"
    & skf21("5","1","7","3","7","5","4","1") = "6"
    & skf21("5","1","7","3","7","5","5","1") = "6"
    & skf21("5","1","7","3","7","5","6","1") = "6"
    & skf21("5","1","7","3","7","5","7","1") = "6"
    & skf21("5","1","7","3","7","6","1","1") = "6"
    & skf21("5","1","7","3","7","6","2","1") = "6"
    & skf21("5","1","7","3","7","6","3","1") = "6"
    & skf21("5","1","7","3","7","6","4","1") = "6"
    & skf21("5","1","7","3","7","6","5","1") = "6"
    & skf21("5","1","7","3","7","6","6","1") = "6"
    & skf21("5","1","7","3","7","6","7","1") = "6"
    & skf21("5","1","7","3","7","7","1","1") = "6"
    & skf21("5","1","7","3","7","7","2","1") = "6"
    & skf21("5","1","7","3","7","7","3","1") = "6"
    & skf21("5","1","7","3","7","7","4","1") = "6"
    & skf21("5","1","7","3","7","7","5","1") = "6"
    & skf21("5","1","7","3","7","7","6","1") = "6"
    & skf21("5","1","7","3","7","7","7","1") = "6"
    & skf21("5","1","7","4","1","1","1","1") = "6"
    & skf21("5","1","7","4","1","1","2","1") = "6"
    & skf21("5","1","7","4","1","1","3","1") = "6"
    & skf21("5","1","7","4","1","1","4","1") = "6"
    & skf21("5","1","7","4","1","1","5","1") = "6"
    & skf21("5","1","7","4","1","1","6","1") = "6"
    & skf21("5","1","7","4","1","1","7","1") = "6"
    & skf21("5","1","7","4","1","2","1","1") = "6"
    & skf21("5","1","7","4","1","2","2","1") = "6"
    & skf21("5","1","7","4","1","2","3","1") = "6"
    & skf21("5","1","7","4","1","2","4","1") = "6"
    & skf21("5","1","7","4","1","2","5","1") = "6"
    & skf21("5","1","7","4","1","2","6","1") = "6"
    & skf21("5","1","7","4","1","2","7","1") = "6"
    & skf21("5","1","7","4","1","3","1","1") = "6"
    & skf21("5","1","7","4","1","3","2","1") = "6"
    & skf21("5","1","7","4","1","3","3","1") = "6"
    & skf21("5","1","7","4","1","3","4","1") = "6"
    & skf21("5","1","7","4","1","3","5","1") = "6"
    & skf21("5","1","7","4","1","3","6","1") = "6"
    & skf21("5","1","7","4","1","3","7","1") = "6"
    & skf21("5","1","7","4","1","4","1","1") = "6"
    & skf21("5","1","7","4","1","4","2","1") = "6"
    & skf21("5","1","7","4","1","4","3","1") = "6"
    & skf21("5","1","7","4","1","4","4","1") = "6"
    & skf21("5","1","7","4","1","4","5","1") = "6"
    & skf21("5","1","7","4","1","4","6","1") = "6"
    & skf21("5","1","7","4","1","4","7","1") = "6"
    & skf21("5","1","7","4","1","5","1","1") = "6"
    & skf21("5","1","7","4","1","5","2","1") = "6"
    & skf21("5","1","7","4","1","5","3","1") = "6"
    & skf21("5","1","7","4","1","5","4","1") = "6"
    & skf21("5","1","7","4","1","5","5","1") = "6"
    & skf21("5","1","7","4","1","5","6","1") = "6"
    & skf21("5","1","7","4","1","5","7","1") = "6"
    & skf21("5","1","7","4","1","6","1","1") = "6"
    & skf21("5","1","7","4","1","6","2","1") = "6"
    & skf21("5","1","7","4","1","6","3","1") = "6"
    & skf21("5","1","7","4","1","6","4","1") = "6"
    & skf21("5","1","7","4","1","6","5","1") = "6"
    & skf21("5","1","7","4","1","6","6","1") = "6"
    & skf21("5","1","7","4","1","6","7","1") = "6"
    & skf21("5","1","7","4","1","7","1","1") = "6"
    & skf21("5","1","7","4","1","7","2","1") = "6"
    & skf21("5","1","7","4","1","7","3","1") = "6"
    & skf21("5","1","7","4","1","7","4","1") = "6"
    & skf21("5","1","7","4","1","7","5","1") = "6"
    & skf21("5","1","7","4","1","7","6","1") = "6"
    & skf21("5","1","7","4","1","7","7","1") = "6"
    & skf21("5","1","7","4","2","1","1","1") = "6"
    & skf21("5","1","7","4","2","1","2","1") = "6"
    & skf21("5","1","7","4","2","1","3","1") = "6"
    & skf21("5","1","7","4","2","1","4","1") = "6"
    & skf21("5","1","7","4","2","1","5","1") = "6"
    & skf21("5","1","7","4","2","1","6","1") = "6"
    & skf21("5","1","7","4","2","1","7","1") = "6"
    & skf21("5","1","7","4","2","2","1","1") = "6"
    & skf21("5","1","7","4","2","2","2","1") = "6"
    & skf21("5","1","7","4","2","2","3","1") = "6"
    & skf21("5","1","7","4","2","2","4","1") = "6"
    & skf21("5","1","7","4","2","2","5","1") = "6"
    & skf21("5","1","7","4","2","2","6","1") = "6"
    & skf21("5","1","7","4","2","2","7","1") = "6"
    & skf21("5","1","7","4","2","3","1","1") = "6"
    & skf21("5","1","7","4","2","3","2","1") = "6"
    & skf21("5","1","7","4","2","3","3","1") = "6"
    & skf21("5","1","7","4","2","3","4","1") = "6"
    & skf21("5","1","7","4","2","3","5","1") = "6"
    & skf21("5","1","7","4","2","3","6","1") = "6"
    & skf21("5","1","7","4","2","3","7","1") = "6"
    & skf21("5","1","7","4","2","4","1","1") = "6"
    & skf21("5","1","7","4","2","4","2","1") = "6"
    & skf21("5","1","7","4","2","4","3","1") = "6"
    & skf21("5","1","7","4","2","4","4","1") = "6"
    & skf21("5","1","7","4","2","4","5","1") = "6"
    & skf21("5","1","7","4","2","4","6","1") = "6"
    & skf21("5","1","7","4","2","4","7","1") = "6"
    & skf21("5","1","7","4","2","5","1","1") = "6"
    & skf21("5","1","7","4","2","5","2","1") = "6"
    & skf21("5","1","7","4","2","5","3","1") = "6"
    & skf21("5","1","7","4","2","5","4","1") = "6"
    & skf21("5","1","7","4","2","5","5","1") = "6"
    & skf21("5","1","7","4","2","5","6","1") = "6"
    & skf21("5","1","7","4","2","5","7","1") = "6"
    & skf21("5","1","7","4","2","6","1","1") = "6"
    & skf21("5","1","7","4","2","6","2","1") = "6"
    & skf21("5","1","7","4","2","6","3","1") = "6"
    & skf21("5","1","7","4","2","6","4","1") = "6"
    & skf21("5","1","7","4","2","6","5","1") = "6"
    & skf21("5","1","7","4","2","6","6","1") = "6"
    & skf21("5","1","7","4","2","6","7","1") = "6"
    & skf21("5","1","7","4","2","7","1","1") = "6"
    & skf21("5","1","7","4","2","7","2","1") = "6"
    & skf21("5","1","7","4","2","7","3","1") = "6"
    & skf21("5","1","7","4","2","7","4","1") = "6"
    & skf21("5","1","7","4","2","7","5","1") = "6"
    & skf21("5","1","7","4","2","7","6","1") = "6"
    & skf21("5","1","7","4","2","7","7","1") = "6"
    & skf21("5","1","7","4","3","1","1","1") = "6"
    & skf21("5","1","7","4","3","1","2","1") = "6"
    & skf21("5","1","7","4","3","1","3","1") = "6"
    & skf21("5","1","7","4","3","1","4","1") = "6"
    & skf21("5","1","7","4","3","1","5","1") = "6"
    & skf21("5","1","7","4","3","1","6","1") = "6"
    & skf21("5","1","7","4","3","1","7","1") = "6"
    & skf21("5","1","7","4","3","2","1","1") = "6"
    & skf21("5","1","7","4","3","2","2","1") = "6"
    & skf21("5","1","7","4","3","2","3","1") = "6"
    & skf21("5","1","7","4","3","2","4","1") = "6"
    & skf21("5","1","7","4","3","2","5","1") = "6"
    & skf21("5","1","7","4","3","2","6","1") = "6"
    & skf21("5","1","7","4","3","2","7","1") = "6"
    & skf21("5","1","7","4","3","3","1","1") = "6"
    & skf21("5","1","7","4","3","3","2","1") = "6"
    & skf21("5","1","7","4","3","3","3","1") = "6"
    & skf21("5","1","7","4","3","3","4","1") = "6"
    & skf21("5","1","7","4","3","3","5","1") = "6"
    & skf21("5","1","7","4","3","3","6","1") = "6"
    & skf21("5","1","7","4","3","3","7","1") = "6"
    & skf21("5","1","7","4","3","4","1","1") = "6"
    & skf21("5","1","7","4","3","4","2","1") = "6"
    & skf21("5","1","7","4","3","4","3","1") = "6"
    & skf21("5","1","7","4","3","4","4","1") = "6"
    & skf21("5","1","7","4","3","4","5","1") = "6"
    & skf21("5","1","7","4","3","4","6","1") = "6"
    & skf21("5","1","7","4","3","4","7","1") = "6"
    & skf21("5","1","7","4","3","5","1","1") = "6"
    & skf21("5","1","7","4","3","5","2","1") = "6"
    & skf21("5","1","7","4","3","5","3","1") = "6"
    & skf21("5","1","7","4","3","5","4","1") = "6"
    & skf21("5","1","7","4","3","5","5","1") = "6"
    & skf21("5","1","7","4","3","5","6","1") = "6"
    & skf21("5","1","7","4","3","5","7","1") = "6"
    & skf21("5","1","7","4","3","6","1","1") = "6"
    & skf21("5","1","7","4","3","6","2","1") = "6"
    & skf21("5","1","7","4","3","6","3","1") = "6"
    & skf21("5","1","7","4","3","6","4","1") = "6"
    & skf21("5","1","7","4","3","6","5","1") = "6"
    & skf21("5","1","7","4","3","6","6","1") = "6"
    & skf21("5","1","7","4","3","6","7","1") = "6"
    & skf21("5","1","7","4","3","7","1","1") = "6"
    & skf21("5","1","7","4","3","7","2","1") = "6"
    & skf21("5","1","7","4","3","7","3","1") = "6"
    & skf21("5","1","7","4","3","7","4","1") = "6"
    & skf21("5","1","7","4","3","7","5","1") = "6"
    & skf21("5","1","7","4","3","7","6","1") = "6"
    & skf21("5","1","7","4","3","7","7","1") = "6"
    & skf21("5","1","7","4","4","1","1","1") = "6"
    & skf21("5","1","7","4","4","1","2","1") = "6"
    & skf21("5","1","7","4","4","1","3","1") = "6"
    & skf21("5","1","7","4","4","1","4","1") = "6"
    & skf21("5","1","7","4","4","1","5","1") = "6"
    & skf21("5","1","7","4","4","1","6","1") = "6"
    & skf21("5","1","7","4","4","1","7","1") = "6"
    & skf21("5","1","7","4","4","2","1","1") = "6"
    & skf21("5","1","7","4","4","2","2","1") = "6"
    & skf21("5","1","7","4","4","2","3","1") = "6"
    & skf21("5","1","7","4","4","2","4","1") = "6"
    & skf21("5","1","7","4","4","2","5","1") = "6"
    & skf21("5","1","7","4","4","2","6","1") = "6"
    & skf21("5","1","7","4","4","2","7","1") = "6"
    & skf21("5","1","7","4","4","3","1","1") = "6"
    & skf21("5","1","7","4","4","3","2","1") = "6"
    & skf21("5","1","7","4","4","3","3","1") = "6"
    & skf21("5","1","7","4","4","3","4","1") = "6"
    & skf21("5","1","7","4","4","3","5","1") = "6"
    & skf21("5","1","7","4","4","3","6","1") = "6"
    & skf21("5","1","7","4","4","3","7","1") = "6"
    & skf21("5","1","7","4","4","4","1","1") = "6"
    & skf21("5","1","7","4","4","4","2","1") = "6"
    & skf21("5","1","7","4","4","4","3","1") = "6"
    & skf21("5","1","7","4","4","4","4","1") = "6"
    & skf21("5","1","7","4","4","4","5","1") = "6"
    & skf21("5","1","7","4","4","4","6","1") = "6"
    & skf21("5","1","7","4","4","4","7","1") = "6"
    & skf21("5","1","7","4","4","5","1","1") = "6"
    & skf21("5","1","7","4","4","5","2","1") = "6"
    & skf21("5","1","7","4","4","5","3","1") = "6"
    & skf21("5","1","7","4","4","5","4","1") = "6"
    & skf21("5","1","7","4","4","5","5","1") = "6"
    & skf21("5","1","7","4","4","5","6","1") = "6"
    & skf21("5","1","7","4","4","5","7","1") = "6"
    & skf21("5","1","7","4","4","6","1","1") = "6"
    & skf21("5","1","7","4","4","6","2","1") = "6"
    & skf21("5","1","7","4","4","6","3","1") = "6"
    & skf21("5","1","7","4","4","6","4","1") = "6"
    & skf21("5","1","7","4","4","6","5","1") = "6"
    & skf21("5","1","7","4","4","6","6","1") = "6"
    & skf21("5","1","7","4","4","6","7","1") = "6"
    & skf21("5","1","7","4","4","7","1","1") = "6"
    & skf21("5","1","7","4","4","7","2","1") = "6"
    & skf21("5","1","7","4","4","7","3","1") = "6"
    & skf21("5","1","7","4","4","7","4","1") = "6"
    & skf21("5","1","7","4","4","7","5","1") = "6"
    & skf21("5","1","7","4","4","7","6","1") = "6"
    & skf21("5","1","7","4","4","7","7","1") = "6"
    & skf21("5","1","7","4","5","1","1","1") = "6"
    & skf21("5","1","7","4","5","1","2","1") = "6"
    & skf21("5","1","7","4","5","1","3","1") = "6"
    & skf21("5","1","7","4","5","1","4","1") = "6"
    & skf21("5","1","7","4","5","1","5","1") = "6"
    & skf21("5","1","7","4","5","1","6","1") = "6"
    & skf21("5","1","7","4","5","1","7","1") = "6"
    & skf21("5","1","7","4","5","2","1","1") = "6"
    & skf21("5","1","7","4","5","2","2","1") = "6"
    & skf21("5","1","7","4","5","2","3","1") = "6"
    & skf21("5","1","7","4","5","2","4","1") = "6"
    & skf21("5","1","7","4","5","2","5","1") = "6"
    & skf21("5","1","7","4","5","2","6","1") = "6"
    & skf21("5","1","7","4","5","2","7","1") = "6"
    & skf21("5","1","7","4","5","3","1","1") = "6"
    & skf21("5","1","7","4","5","3","2","1") = "6"
    & skf21("5","1","7","4","5","3","3","1") = "6"
    & skf21("5","1","7","4","5","3","4","1") = "6"
    & skf21("5","1","7","4","5","3","5","1") = "6"
    & skf21("5","1","7","4","5","3","6","1") = "6"
    & skf21("5","1","7","4","5","3","7","1") = "6"
    & skf21("5","1","7","4","5","4","1","1") = "6"
    & skf21("5","1","7","4","5","4","2","1") = "6"
    & skf21("5","1","7","4","5","4","3","1") = "6"
    & skf21("5","1","7","4","5","4","4","1") = "6"
    & skf21("5","1","7","4","5","4","5","1") = "6"
    & skf21("5","1","7","4","5","4","6","1") = "6"
    & skf21("5","1","7","4","5","4","7","1") = "6"
    & skf21("5","1","7","4","5","5","1","1") = "6"
    & skf21("5","1","7","4","5","5","2","1") = "6"
    & skf21("5","1","7","4","5","5","3","1") = "6"
    & skf21("5","1","7","4","5","5","4","1") = "6"
    & skf21("5","1","7","4","5","5","5","1") = "6"
    & skf21("5","1","7","4","5","5","6","1") = "6"
    & skf21("5","1","7","4","5","5","7","1") = "6"
    & skf21("5","1","7","4","5","6","1","1") = "6"
    & skf21("5","1","7","4","5","6","2","1") = "6"
    & skf21("5","1","7","4","5","6","3","1") = "6"
    & skf21("5","1","7","4","5","6","4","1") = "6"
    & skf21("5","1","7","4","5","6","5","1") = "6"
    & skf21("5","1","7","4","5","6","6","1") = "6"
    & skf21("5","1","7","4","5","6","7","1") = "6"
    & skf21("5","1","7","4","5","7","1","1") = "6"
    & skf21("5","1","7","4","5","7","2","1") = "6"
    & skf21("5","1","7","4","5","7","3","1") = "6"
    & skf21("5","1","7","4","5","7","4","1") = "6"
    & skf21("5","1","7","4","5","7","5","1") = "6"
    & skf21("5","1","7","4","5","7","6","1") = "6"
    & skf21("5","1","7","4","5","7","7","1") = "6"
    & skf21("5","1","7","4","6","1","1","1") = "6"
    & skf21("5","1","7","4","6","1","2","1") = "6"
    & skf21("5","1","7","4","6","1","3","1") = "6"
    & skf21("5","1","7","4","6","1","4","1") = "6"
    & skf21("5","1","7","4","6","1","5","1") = "6"
    & skf21("5","1","7","4","6","1","6","1") = "6"
    & skf21("5","1","7","4","6","1","7","1") = "6"
    & skf21("5","1","7","4","6","2","1","1") = "6"
    & skf21("5","1","7","4","6","2","2","1") = "6"
    & skf21("5","1","7","4","6","2","3","1") = "6"
    & skf21("5","1","7","4","6","2","4","1") = "6"
    & skf21("5","1","7","4","6","2","5","1") = "6"
    & skf21("5","1","7","4","6","2","6","1") = "6"
    & skf21("5","1","7","4","6","2","7","1") = "6"
    & skf21("5","1","7","4","6","3","1","1") = "6"
    & skf21("5","1","7","4","6","3","2","1") = "6"
    & skf21("5","1","7","4","6","3","3","1") = "6"
    & skf21("5","1","7","4","6","3","4","1") = "6"
    & skf21("5","1","7","4","6","3","5","1") = "6"
    & skf21("5","1","7","4","6","3","6","1") = "6"
    & skf21("5","1","7","4","6","3","7","1") = "6"
    & skf21("5","1","7","4","6","4","1","1") = "6"
    & skf21("5","1","7","4","6","4","2","1") = "6"
    & skf21("5","1","7","4","6","4","3","1") = "6"
    & skf21("5","1","7","4","6","4","4","1") = "6"
    & skf21("5","1","7","4","6","4","5","1") = "6"
    & skf21("5","1","7","4","6","4","6","1") = "6"
    & skf21("5","1","7","4","6","4","7","1") = "6"
    & skf21("5","1","7","4","6","5","1","1") = "6"
    & skf21("5","1","7","4","6","5","2","1") = "6"
    & skf21("5","1","7","4","6","5","3","1") = "6"
    & skf21("5","1","7","4","6","5","4","1") = "6"
    & skf21("5","1","7","4","6","5","5","1") = "6"
    & skf21("5","1","7","4","6","5","6","1") = "6"
    & skf21("5","1","7","4","6","5","7","1") = "6"
    & skf21("5","1","7","4","6","6","1","1") = "6"
    & skf21("5","1","7","4","6","6","2","1") = "6"
    & skf21("5","1","7","4","6","6","3","1") = "6"
    & skf21("5","1","7","4","6","6","4","1") = "6"
    & skf21("5","1","7","4","6","6","5","1") = "6"
    & skf21("5","1","7","4","6","6","6","1") = "6"
    & skf21("5","1","7","4","6","6","7","1") = "6"
    & skf21("5","1","7","4","6","7","1","1") = "6"
    & skf21("5","1","7","4","6","7","2","1") = "6"
    & skf21("5","1","7","4","6","7","3","1") = "6"
    & skf21("5","1","7","4","6","7","4","1") = "6"
    & skf21("5","1","7","4","6","7","5","1") = "6"
    & skf21("5","1","7","4","6","7","6","1") = "6"
    & skf21("5","1","7","4","6","7","7","1") = "6"
    & skf21("5","1","7","4","7","1","1","1") = "6"
    & skf21("5","1","7","4","7","1","2","1") = "6"
    & skf21("5","1","7","4","7","1","3","1") = "6"
    & skf21("5","1","7","4","7","1","4","1") = "6"
    & skf21("5","1","7","4","7","1","5","1") = "6"
    & skf21("5","1","7","4","7","1","6","1") = "6"
    & skf21("5","1","7","4","7","1","7","1") = "6"
    & skf21("5","1","7","4","7","2","1","1") = "6"
    & skf21("5","1","7","4","7","2","2","1") = "6"
    & skf21("5","1","7","4","7","2","3","1") = "6"
    & skf21("5","1","7","4","7","2","4","1") = "6"
    & skf21("5","1","7","4","7","2","5","1") = "6"
    & skf21("5","1","7","4","7","2","6","1") = "6"
    & skf21("5","1","7","4","7","2","7","1") = "6"
    & skf21("5","1","7","4","7","3","1","1") = "6"
    & skf21("5","1","7","4","7","3","2","1") = "6"
    & skf21("5","1","7","4","7","3","3","1") = "6"
    & skf21("5","1","7","4","7","3","4","1") = "6"
    & skf21("5","1","7","4","7","3","5","1") = "6"
    & skf21("5","1","7","4","7","3","6","1") = "6"
    & skf21("5","1","7","4","7","3","7","1") = "6"
    & skf21("5","1","7","4","7","4","1","1") = "6"
    & skf21("5","1","7","4","7","4","2","1") = "6"
    & skf21("5","1","7","4","7","4","3","1") = "6"
    & skf21("5","1","7","4","7","4","4","1") = "6"
    & skf21("5","1","7","4","7","4","5","1") = "6"
    & skf21("5","1","7","4","7","4","6","1") = "6"
    & skf21("5","1","7","4","7","4","7","1") = "6"
    & skf21("5","1","7","4","7","5","1","1") = "6"
    & skf21("5","1","7","4","7","5","2","1") = "6"
    & skf21("5","1","7","4","7","5","3","1") = "6"
    & skf21("5","1","7","4","7","5","4","1") = "6"
    & skf21("5","1","7","4","7","5","5","1") = "6"
    & skf21("5","1","7","4","7","5","6","1") = "6"
    & skf21("5","1","7","4","7","5","7","1") = "6"
    & skf21("5","1","7","4","7","6","1","1") = "6"
    & skf21("5","1","7","4","7","6","2","1") = "6"
    & skf21("5","1","7","4","7","6","3","1") = "6"
    & skf21("5","1","7","4","7","6","4","1") = "6"
    & skf21("5","1","7","4","7","6","5","1") = "6"
    & skf21("5","1","7","4","7","6","6","1") = "6"
    & skf21("5","1","7","4","7","6","7","1") = "6"
    & skf21("5","1","7","4","7","7","1","1") = "6"
    & skf21("5","1","7","4","7","7","2","1") = "6"
    & skf21("5","1","7","4","7","7","3","1") = "6"
    & skf21("5","1","7","4","7","7","4","1") = "6"
    & skf21("5","1","7","4","7","7","5","1") = "6"
    & skf21("5","1","7","4","7","7","6","1") = "6"
    & skf21("5","1","7","4","7","7","7","1") = "6"
    & skf21("5","1","7","5","1","1","1","1") = "6"
    & skf21("5","1","7","5","1","1","2","1") = "6"
    & skf21("5","1","7","5","1","1","3","1") = "6"
    & skf21("5","1","7","5","1","1","4","1") = "6"
    & skf21("5","1","7","5","1","1","5","1") = "6"
    & skf21("5","1","7","5","1","1","6","1") = "6"
    & skf21("5","1","7","5","1","1","7","1") = "6"
    & skf21("5","1","7","5","1","2","1","1") = "6"
    & skf21("5","1","7","5","1","2","2","1") = "6"
    & skf21("5","1","7","5","1","2","3","1") = "6"
    & skf21("5","1","7","5","1","2","4","1") = "6"
    & skf21("5","1","7","5","1","2","5","1") = "6"
    & skf21("5","1","7","5","1","2","6","1") = "6"
    & skf21("5","1","7","5","1","2","7","1") = "6"
    & skf21("5","1","7","5","1","3","1","1") = "6"
    & skf21("5","1","7","5","1","3","2","1") = "6"
    & skf21("5","1","7","5","1","3","3","1") = "6"
    & skf21("5","1","7","5","1","3","4","1") = "6"
    & skf21("5","1","7","5","1","3","5","1") = "6"
    & skf21("5","1","7","5","1","3","6","1") = "6"
    & skf21("5","1","7","5","1","3","7","1") = "6"
    & skf21("5","1","7","5","1","4","1","1") = "6"
    & skf21("5","1","7","5","1","4","2","1") = "6"
    & skf21("5","1","7","5","1","4","3","1") = "6"
    & skf21("5","1","7","5","1","4","4","1") = "6"
    & skf21("5","1","7","5","1","4","5","1") = "6"
    & skf21("5","1","7","5","1","4","6","1") = "6"
    & skf21("5","1","7","5","1","4","7","1") = "6"
    & skf21("5","1","7","5","1","5","1","1") = "6"
    & skf21("5","1","7","5","1","5","2","1") = "6"
    & skf21("5","1","7","5","1","5","3","1") = "6"
    & skf21("5","1","7","5","1","5","4","1") = "6"
    & skf21("5","1","7","5","1","5","5","1") = "6"
    & skf21("5","1","7","5","1","5","6","1") = "6"
    & skf21("5","1","7","5","1","5","7","1") = "6"
    & skf21("5","1","7","5","1","6","1","1") = "6"
    & skf21("5","1","7","5","1","6","2","1") = "6"
    & skf21("5","1","7","5","1","6","3","1") = "6"
    & skf21("5","1","7","5","1","6","4","1") = "6"
    & skf21("5","1","7","5","1","6","5","1") = "6"
    & skf21("5","1","7","5","1","6","6","1") = "6"
    & skf21("5","1","7","5","1","6","7","1") = "6"
    & skf21("5","1","7","5","1","7","1","1") = "6"
    & skf21("5","1","7","5","1","7","2","1") = "6"
    & skf21("5","1","7","5","1","7","3","1") = "6"
    & skf21("5","1","7","5","1","7","4","1") = "6"
    & skf21("5","1","7","5","1","7","5","1") = "6"
    & skf21("5","1","7","5","1","7","6","1") = "6"
    & skf21("5","1","7","5","1","7","7","1") = "6"
    & skf21("5","1","7","5","2","1","1","1") = "6"
    & skf21("5","1","7","5","2","1","2","1") = "6"
    & skf21("5","1","7","5","2","1","3","1") = "6"
    & skf21("5","1","7","5","2","1","4","1") = "6"
    & skf21("5","1","7","5","2","1","5","1") = "6"
    & skf21("5","1","7","5","2","1","6","1") = "6"
    & skf21("5","1","7","5","2","1","7","1") = "6"
    & skf21("5","1","7","5","2","2","1","1") = "6"
    & skf21("5","1","7","5","2","2","2","1") = "6"
    & skf21("5","1","7","5","2","2","3","1") = "6"
    & skf21("5","1","7","5","2","2","4","1") = "6"
    & skf21("5","1","7","5","2","2","5","1") = "6"
    & skf21("5","1","7","5","2","2","6","1") = "6"
    & skf21("5","1","7","5","2","2","7","1") = "6"
    & skf21("5","1","7","5","2","3","1","1") = "6"
    & skf21("5","1","7","5","2","3","2","1") = "6"
    & skf21("5","1","7","5","2","3","3","1") = "6"
    & skf21("5","1","7","5","2","3","4","1") = "6"
    & skf21("5","1","7","5","2","3","5","1") = "6"
    & skf21("5","1","7","5","2","3","6","1") = "6"
    & skf21("5","1","7","5","2","3","7","1") = "6"
    & skf21("5","1","7","5","2","4","1","1") = "6"
    & skf21("5","1","7","5","2","4","2","1") = "6"
    & skf21("5","1","7","5","2","4","3","1") = "6"
    & skf21("5","1","7","5","2","4","4","1") = "6"
    & skf21("5","1","7","5","2","4","5","1") = "6"
    & skf21("5","1","7","5","2","4","6","1") = "6"
    & skf21("5","1","7","5","2","4","7","1") = "6"
    & skf21("5","1","7","5","2","5","1","1") = "6"
    & skf21("5","1","7","5","2","5","2","1") = "6"
    & skf21("5","1","7","5","2","5","3","1") = "6"
    & skf21("5","1","7","5","2","5","4","1") = "6"
    & skf21("5","1","7","5","2","5","5","1") = "6"
    & skf21("5","1","7","5","2","5","6","1") = "6"
    & skf21("5","1","7","5","2","5","7","1") = "6"
    & skf21("5","1","7","5","2","6","1","1") = "6"
    & skf21("5","1","7","5","2","6","2","1") = "6"
    & skf21("5","1","7","5","2","6","3","1") = "6"
    & skf21("5","1","7","5","2","6","4","1") = "6"
    & skf21("5","1","7","5","2","6","5","1") = "6"
    & skf21("5","1","7","5","2","6","6","1") = "6"
    & skf21("5","1","7","5","2","6","7","1") = "6"
    & skf21("5","1","7","5","2","7","1","1") = "6"
    & skf21("5","1","7","5","2","7","2","1") = "6"
    & skf21("5","1","7","5","2","7","3","1") = "6"
    & skf21("5","1","7","5","2","7","4","1") = "6"
    & skf21("5","1","7","5","2","7","5","1") = "6"
    & skf21("5","1","7","5","2","7","6","1") = "6"
    & skf21("5","1","7","5","2","7","7","1") = "6"
    & skf21("5","1","7","5","3","1","1","1") = "6"
    & skf21("5","1","7","5","3","1","2","1") = "6"
    & skf21("5","1","7","5","3","1","3","1") = "6"
    & skf21("5","1","7","5","3","1","4","1") = "6"
    & skf21("5","1","7","5","3","1","5","1") = "6"
    & skf21("5","1","7","5","3","1","6","1") = "6"
    & skf21("5","1","7","5","3","1","7","1") = "6"
    & skf21("5","1","7","5","3","2","1","1") = "6"
    & skf21("5","1","7","5","3","2","2","1") = "6"
    & skf21("5","1","7","5","3","2","3","1") = "6"
    & skf21("5","1","7","5","3","2","4","1") = "6"
    & skf21("5","1","7","5","3","2","5","1") = "6"
    & skf21("5","1","7","5","3","2","6","1") = "6"
    & skf21("5","1","7","5","3","2","7","1") = "6"
    & skf21("5","1","7","5","3","3","1","1") = "6"
    & skf21("5","1","7","5","3","3","2","1") = "6"
    & skf21("5","1","7","5","3","3","3","1") = "6"
    & skf21("5","1","7","5","3","3","4","1") = "6"
    & skf21("5","1","7","5","3","3","5","1") = "6"
    & skf21("5","1","7","5","3","3","6","1") = "6"
    & skf21("5","1","7","5","3","3","7","1") = "6"
    & skf21("5","1","7","5","3","4","1","1") = "6"
    & skf21("5","1","7","5","3","4","2","1") = "6"
    & skf21("5","1","7","5","3","4","3","1") = "6"
    & skf21("5","1","7","5","3","4","4","1") = "6"
    & skf21("5","1","7","5","3","4","5","1") = "6"
    & skf21("5","1","7","5","3","4","6","1") = "6"
    & skf21("5","1","7","5","3","4","7","1") = "6"
    & skf21("5","1","7","5","3","5","1","1") = "6"
    & skf21("5","1","7","5","3","5","2","1") = "6"
    & skf21("5","1","7","5","3","5","3","1") = "6"
    & skf21("5","1","7","5","3","5","4","1") = "6"
    & skf21("5","1","7","5","3","5","5","1") = "6"
    & skf21("5","1","7","5","3","5","6","1") = "6"
    & skf21("5","1","7","5","3","5","7","1") = "6"
    & skf21("5","1","7","5","3","6","1","1") = "6"
    & skf21("5","1","7","5","3","6","2","1") = "6"
    & skf21("5","1","7","5","3","6","3","1") = "6"
    & skf21("5","1","7","5","3","6","4","1") = "6"
    & skf21("5","1","7","5","3","6","5","1") = "6"
    & skf21("5","1","7","5","3","6","6","1") = "6"
    & skf21("5","1","7","5","3","6","7","1") = "6"
    & skf21("5","1","7","5","3","7","1","1") = "6"
    & skf21("5","1","7","5","3","7","2","1") = "6"
    & skf21("5","1","7","5","3","7","3","1") = "6"
    & skf21("5","1","7","5","3","7","4","1") = "6"
    & skf21("5","1","7","5","3","7","5","1") = "6"
    & skf21("5","1","7","5","3","7","6","1") = "6"
    & skf21("5","1","7","5","3","7","7","1") = "6"
    & skf21("5","1","7","5","4","1","1","1") = "6"
    & skf21("5","1","7","5","4","1","2","1") = "6"
    & skf21("5","1","7","5","4","1","3","1") = "6"
    & skf21("5","1","7","5","4","1","4","1") = "6"
    & skf21("5","1","7","5","4","1","5","1") = "6"
    & skf21("5","1","7","5","4","1","6","1") = "6"
    & skf21("5","1","7","5","4","1","7","1") = "6"
    & skf21("5","1","7","5","4","2","1","1") = "6"
    & skf21("5","1","7","5","4","2","2","1") = "6"
    & skf21("5","1","7","5","4","2","3","1") = "6"
    & skf21("5","1","7","5","4","2","4","1") = "6"
    & skf21("5","1","7","5","4","2","5","1") = "6"
    & skf21("5","1","7","5","4","2","6","1") = "6"
    & skf21("5","1","7","5","4","2","7","1") = "6"
    & skf21("5","1","7","5","4","3","1","1") = "6"
    & skf21("5","1","7","5","4","3","2","1") = "6"
    & skf21("5","1","7","5","4","3","3","1") = "6"
    & skf21("5","1","7","5","4","3","4","1") = "6"
    & skf21("5","1","7","5","4","3","5","1") = "6"
    & skf21("5","1","7","5","4","3","6","1") = "6"
    & skf21("5","1","7","5","4","3","7","1") = "6"
    & skf21("5","1","7","5","4","4","1","1") = "6"
    & skf21("5","1","7","5","4","4","2","1") = "6"
    & skf21("5","1","7","5","4","4","3","1") = "6"
    & skf21("5","1","7","5","4","4","4","1") = "6"
    & skf21("5","1","7","5","4","4","5","1") = "6"
    & skf21("5","1","7","5","4","4","6","1") = "6"
    & skf21("5","1","7","5","4","4","7","1") = "6"
    & skf21("5","1","7","5","4","5","1","1") = "6"
    & skf21("5","1","7","5","4","5","2","1") = "6"
    & skf21("5","1","7","5","4","5","3","1") = "6"
    & skf21("5","1","7","5","4","5","4","1") = "6"
    & skf21("5","1","7","5","4","5","5","1") = "6"
    & skf21("5","1","7","5","4","5","6","1") = "6"
    & skf21("5","1","7","5","4","5","7","1") = "6"
    & skf21("5","1","7","5","4","6","1","1") = "6"
    & skf21("5","1","7","5","4","6","2","1") = "6"
    & skf21("5","1","7","5","4","6","3","1") = "6"
    & skf21("5","1","7","5","4","6","4","1") = "6"
    & skf21("5","1","7","5","4","6","5","1") = "6"
    & skf21("5","1","7","5","4","6","6","1") = "6"
    & skf21("5","1","7","5","4","6","7","1") = "6"
    & skf21("5","1","7","5","4","7","1","1") = "6"
    & skf21("5","1","7","5","4","7","2","1") = "6"
    & skf21("5","1","7","5","4","7","3","1") = "6"
    & skf21("5","1","7","5","4","7","4","1") = "6"
    & skf21("5","1","7","5","4","7","5","1") = "6"
    & skf21("5","1","7","5","4","7","6","1") = "6"
    & skf21("5","1","7","5","4","7","7","1") = "6"
    & skf21("5","1","7","5","5","1","1","1") = "6"
    & skf21("5","1","7","5","5","1","2","1") = "6"
    & skf21("5","1","7","5","5","1","3","1") = "6"
    & skf21("5","1","7","5","5","1","4","1") = "6"
    & skf21("5","1","7","5","5","1","5","1") = "6"
    & skf21("5","1","7","5","5","1","6","1") = "6"
    & skf21("5","1","7","5","5","1","7","1") = "6"
    & skf21("5","1","7","5","5","2","1","1") = "6"
    & skf21("5","1","7","5","5","2","2","1") = "6"
    & skf21("5","1","7","5","5","2","3","1") = "6"
    & skf21("5","1","7","5","5","2","4","1") = "6"
    & skf21("5","1","7","5","5","2","5","1") = "6"
    & skf21("5","1","7","5","5","2","6","1") = "6"
    & skf21("5","1","7","5","5","2","7","1") = "6"
    & skf21("5","1","7","5","5","3","1","1") = "6"
    & skf21("5","1","7","5","5","3","2","1") = "6"
    & skf21("5","1","7","5","5","3","3","1") = "6"
    & skf21("5","1","7","5","5","3","4","1") = "6"
    & skf21("5","1","7","5","5","3","5","1") = "6"
    & skf21("5","1","7","5","5","3","6","1") = "6"
    & skf21("5","1","7","5","5","3","7","1") = "6"
    & skf21("5","1","7","5","5","4","1","1") = "6"
    & skf21("5","1","7","5","5","4","2","1") = "6"
    & skf21("5","1","7","5","5","4","3","1") = "6"
    & skf21("5","1","7","5","5","4","4","1") = "6"
    & skf21("5","1","7","5","5","4","5","1") = "6"
    & skf21("5","1","7","5","5","4","6","1") = "6"
    & skf21("5","1","7","5","5","4","7","1") = "6"
    & skf21("5","1","7","5","5","5","1","1") = "6"
    & skf21("5","1","7","5","5","5","2","1") = "6"
    & skf21("5","1","7","5","5","5","3","1") = "6"
    & skf21("5","1","7","5","5","5","4","1") = "6"
    & skf21("5","1","7","5","5","5","5","1") = "6"
    & skf21("5","1","7","5","5","5","6","1") = "6"
    & skf21("5","1","7","5","5","5","7","1") = "6"
    & skf21("5","1","7","5","5","6","1","1") = "6"
    & skf21("5","1","7","5","5","6","2","1") = "6"
    & skf21("5","1","7","5","5","6","3","1") = "6"
    & skf21("5","1","7","5","5","6","4","1") = "6"
    & skf21("5","1","7","5","5","6","5","1") = "6"
    & skf21("5","1","7","5","5","6","6","1") = "6"
    & skf21("5","1","7","5","5","6","7","1") = "6"
    & skf21("5","1","7","5","5","7","1","1") = "6"
    & skf21("5","1","7","5","5","7","2","1") = "6"
    & skf21("5","1","7","5","5","7","3","1") = "6"
    & skf21("5","1","7","5","5","7","4","1") = "6"
    & skf21("5","1","7","5","5","7","5","1") = "6"
    & skf21("5","1","7","5","5","7","6","1") = "6"
    & skf21("5","1","7","5","5","7","7","1") = "6"
    & skf21("5","1","7","5","6","1","1","1") = "6"
    & skf21("5","1","7","5","6","1","2","1") = "6"
    & skf21("5","1","7","5","6","1","3","1") = "6"
    & skf21("5","1","7","5","6","1","4","1") = "6"
    & skf21("5","1","7","5","6","1","5","1") = "6"
    & skf21("5","1","7","5","6","1","6","1") = "6"
    & skf21("5","1","7","5","6","1","7","1") = "6"
    & skf21("5","1","7","5","6","2","1","1") = "6"
    & skf21("5","1","7","5","6","2","2","1") = "6"
    & skf21("5","1","7","5","6","2","3","1") = "6"
    & skf21("5","1","7","5","6","2","4","1") = "6"
    & skf21("5","1","7","5","6","2","5","1") = "6"
    & skf21("5","1","7","5","6","2","6","1") = "6"
    & skf21("5","1","7","5","6","2","7","1") = "6"
    & skf21("5","1","7","5","6","3","1","1") = "6"
    & skf21("5","1","7","5","6","3","2","1") = "6"
    & skf21("5","1","7","5","6","3","3","1") = "6"
    & skf21("5","1","7","5","6","3","4","1") = "6"
    & skf21("5","1","7","5","6","3","5","1") = "6"
    & skf21("5","1","7","5","6","3","6","1") = "6"
    & skf21("5","1","7","5","6","3","7","1") = "6"
    & skf21("5","1","7","5","6","4","1","1") = "6"
    & skf21("5","1","7","5","6","4","2","1") = "6"
    & skf21("5","1","7","5","6","4","3","1") = "6"
    & skf21("5","1","7","5","6","4","4","1") = "6"
    & skf21("5","1","7","5","6","4","5","1") = "6"
    & skf21("5","1","7","5","6","4","6","1") = "6"
    & skf21("5","1","7","5","6","4","7","1") = "6"
    & skf21("5","1","7","5","6","5","1","1") = "6"
    & skf21("5","1","7","5","6","5","2","1") = "6"
    & skf21("5","1","7","5","6","5","3","1") = "6"
    & skf21("5","1","7","5","6","5","4","1") = "6"
    & skf21("5","1","7","5","6","5","5","1") = "6"
    & skf21("5","1","7","5","6","5","6","1") = "6"
    & skf21("5","1","7","5","6","5","7","1") = "6"
    & skf21("5","1","7","5","6","6","1","1") = "6"
    & skf21("5","1","7","5","6","6","2","1") = "6"
    & skf21("5","1","7","5","6","6","3","1") = "6"
    & skf21("5","1","7","5","6","6","4","1") = "6"
    & skf21("5","1","7","5","6","6","5","1") = "6"
    & skf21("5","1","7","5","6","6","6","1") = "6"
    & skf21("5","1","7","5","6","6","7","1") = "6"
    & skf21("5","1","7","5","6","7","1","1") = "6"
    & skf21("5","1","7","5","6","7","2","1") = "6"
    & skf21("5","1","7","5","6","7","3","1") = "6"
    & skf21("5","1","7","5","6","7","4","1") = "6"
    & skf21("5","1","7","5","6","7","5","1") = "6"
    & skf21("5","1","7","5","6","7","6","1") = "6"
    & skf21("5","1","7","5","6","7","7","1") = "6"
    & skf21("5","1","7","5","7","1","1","1") = "6"
    & skf21("5","1","7","5","7","1","2","1") = "6"
    & skf21("5","1","7","5","7","1","3","1") = "6"
    & skf21("5","1","7","5","7","1","4","1") = "6"
    & skf21("5","1","7","5","7","1","5","1") = "6"
    & skf21("5","1","7","5","7","1","6","1") = "6"
    & skf21("5","1","7","5","7","1","7","1") = "6"
    & skf21("5","1","7","5","7","2","1","1") = "6"
    & skf21("5","1","7","5","7","2","2","1") = "6"
    & skf21("5","1","7","5","7","2","3","1") = "6"
    & skf21("5","1","7","5","7","2","4","1") = "6"
    & skf21("5","1","7","5","7","2","5","1") = "6"
    & skf21("5","1","7","5","7","2","6","1") = "6"
    & skf21("5","1","7","5","7","2","7","1") = "6"
    & skf21("5","1","7","5","7","3","1","1") = "6"
    & skf21("5","1","7","5","7","3","2","1") = "6"
    & skf21("5","1","7","5","7","3","3","1") = "6"
    & skf21("5","1","7","5","7","3","4","1") = "6"
    & skf21("5","1","7","5","7","3","5","1") = "6"
    & skf21("5","1","7","5","7","3","6","1") = "6"
    & skf21("5","1","7","5","7","3","7","1") = "6"
    & skf21("5","1","7","5","7","4","1","1") = "6"
    & skf21("5","1","7","5","7","4","2","1") = "6"
    & skf21("5","1","7","5","7","4","3","1") = "6"
    & skf21("5","1","7","5","7","4","4","1") = "6"
    & skf21("5","1","7","5","7","4","5","1") = "6"
    & skf21("5","1","7","5","7","4","6","1") = "6"
    & skf21("5","1","7","5","7","4","7","1") = "6"
    & skf21("5","1","7","5","7","5","1","1") = "6"
    & skf21("5","1","7","5","7","5","2","1") = "6"
    & skf21("5","1","7","5","7","5","3","1") = "6"
    & skf21("5","1","7","5","7","5","4","1") = "6"
    & skf21("5","1","7","5","7","5","5","1") = "6"
    & skf21("5","1","7","5","7","5","6","1") = "6"
    & skf21("5","1","7","5","7","5","7","1") = "6"
    & skf21("5","1","7","5","7","6","1","1") = "6"
    & skf21("5","1","7","5","7","6","2","1") = "6"
    & skf21("5","1","7","5","7","6","3","1") = "6"
    & skf21("5","1","7","5","7","6","4","1") = "6"
    & skf21("5","1","7","5","7","6","5","1") = "6"
    & skf21("5","1","7","5","7","6","6","1") = "6"
    & skf21("5","1","7","5","7","6","7","1") = "6"
    & skf21("5","1","7","5","7","7","1","1") = "6"
    & skf21("5","1","7","5","7","7","2","1") = "6"
    & skf21("5","1","7","5","7","7","3","1") = "6"
    & skf21("5","1","7","5","7","7","4","1") = "6"
    & skf21("5","1","7","5","7","7","5","1") = "6"
    & skf21("5","1","7","5","7","7","6","1") = "6"
    & skf21("5","1","7","5","7","7","7","1") = "6"
    & skf21("5","1","7","6","1","1","1","1") = "6"
    & skf21("5","1","7","6","1","1","2","1") = "6"
    & skf21("5","1","7","6","1","1","3","1") = "6"
    & skf21("5","1","7","6","1","1","4","1") = "6"
    & skf21("5","1","7","6","1","1","5","1") = "6"
    & skf21("5","1","7","6","1","1","6","1") = "6"
    & skf21("5","1","7","6","1","1","7","1") = "6"
    & skf21("5","1","7","6","1","2","1","1") = "6"
    & skf21("5","1","7","6","1","2","2","1") = "6"
    & skf21("5","1","7","6","1","2","3","1") = "6"
    & skf21("5","1","7","6","1","2","4","1") = "6"
    & skf21("5","1","7","6","1","2","5","1") = "6"
    & skf21("5","1","7","6","1","2","6","1") = "6"
    & skf21("5","1","7","6","1","2","7","1") = "6"
    & skf21("5","1","7","6","1","3","1","1") = "6"
    & skf21("5","1","7","6","1","3","2","1") = "6"
    & skf21("5","1","7","6","1","3","3","1") = "6"
    & skf21("5","1","7","6","1","3","4","1") = "6"
    & skf21("5","1","7","6","1","3","5","1") = "6"
    & skf21("5","1","7","6","1","3","6","1") = "6"
    & skf21("5","1","7","6","1","3","7","1") = "6"
    & skf21("5","1","7","6","1","4","1","1") = "6"
    & skf21("5","1","7","6","1","4","2","1") = "6"
    & skf21("5","1","7","6","1","4","3","1") = "6"
    & skf21("5","1","7","6","1","4","4","1") = "6"
    & skf21("5","1","7","6","1","4","5","1") = "6"
    & skf21("5","1","7","6","1","4","6","1") = "6"
    & skf21("5","1","7","6","1","4","7","1") = "6"
    & skf21("5","1","7","6","1","5","1","1") = "6"
    & skf21("5","1","7","6","1","5","2","1") = "6"
    & skf21("5","1","7","6","1","5","3","1") = "6"
    & skf21("5","1","7","6","1","5","4","1") = "6"
    & skf21("5","1","7","6","1","5","5","1") = "6"
    & skf21("5","1","7","6","1","5","6","1") = "6"
    & skf21("5","1","7","6","1","5","7","1") = "6"
    & skf21("5","1","7","6","1","6","1","1") = "6"
    & skf21("5","1","7","6","1","6","2","1") = "6"
    & skf21("5","1","7","6","1","6","3","1") = "6"
    & skf21("5","1","7","6","1","6","4","1") = "6"
    & skf21("5","1","7","6","1","6","5","1") = "6"
    & skf21("5","1","7","6","1","6","6","1") = "6"
    & skf21("5","1","7","6","1","6","7","1") = "6"
    & skf21("5","1","7","6","1","7","1","1") = "6"
    & skf21("5","1","7","6","1","7","2","1") = "6"
    & skf21("5","1","7","6","1","7","3","1") = "6"
    & skf21("5","1","7","6","1","7","4","1") = "6"
    & skf21("5","1","7","6","1","7","5","1") = "6"
    & skf21("5","1","7","6","1","7","6","1") = "6"
    & skf21("5","1","7","6","1","7","7","1") = "6"
    & skf21("5","1","7","6","2","1","1","1") = "6"
    & skf21("5","1","7","6","2","1","2","1") = "6"
    & skf21("5","1","7","6","2","1","3","1") = "6"
    & skf21("5","1","7","6","2","1","4","1") = "6"
    & skf21("5","1","7","6","2","1","5","1") = "6"
    & skf21("5","1","7","6","2","1","6","1") = "6"
    & skf21("5","1","7","6","2","1","7","1") = "6"
    & skf21("5","1","7","6","2","2","1","1") = "6"
    & skf21("5","1","7","6","2","2","2","1") = "6"
    & skf21("5","1","7","6","2","2","3","1") = "6"
    & skf21("5","1","7","6","2","2","4","1") = "6"
    & skf21("5","1","7","6","2","2","5","1") = "6"
    & skf21("5","1","7","6","2","2","6","1") = "6"
    & skf21("5","1","7","6","2","2","7","1") = "6"
    & skf21("5","1","7","6","2","3","1","1") = "6"
    & skf21("5","1","7","6","2","3","2","1") = "6"
    & skf21("5","1","7","6","2","3","3","1") = "6"
    & skf21("5","1","7","6","2","3","4","1") = "6"
    & skf21("5","1","7","6","2","3","5","1") = "6"
    & skf21("5","1","7","6","2","3","6","1") = "6"
    & skf21("5","1","7","6","2","3","7","1") = "6"
    & skf21("5","1","7","6","2","4","1","1") = "6"
    & skf21("5","1","7","6","2","4","2","1") = "6"
    & skf21("5","1","7","6","2","4","3","1") = "6"
    & skf21("5","1","7","6","2","4","4","1") = "6"
    & skf21("5","1","7","6","2","4","5","1") = "6"
    & skf21("5","1","7","6","2","4","6","1") = "6"
    & skf21("5","1","7","6","2","4","7","1") = "6"
    & skf21("5","1","7","6","2","5","1","1") = "6"
    & skf21("5","1","7","6","2","5","2","1") = "6"
    & skf21("5","1","7","6","2","5","3","1") = "6"
    & skf21("5","1","7","6","2","5","4","1") = "6"
    & skf21("5","1","7","6","2","5","5","1") = "6"
    & skf21("5","1","7","6","2","5","6","1") = "6"
    & skf21("5","1","7","6","2","5","7","1") = "6"
    & skf21("5","1","7","6","2","6","1","1") = "6"
    & skf21("5","1","7","6","2","6","2","1") = "6"
    & skf21("5","1","7","6","2","6","3","1") = "6"
    & skf21("5","1","7","6","2","6","4","1") = "6"
    & skf21("5","1","7","6","2","6","5","1") = "6"
    & skf21("5","1","7","6","2","6","6","1") = "6"
    & skf21("5","1","7","6","2","6","7","1") = "6"
    & skf21("5","1","7","6","2","7","1","1") = "6"
    & skf21("5","1","7","6","2","7","2","1") = "6"
    & skf21("5","1","7","6","2","7","3","1") = "6"
    & skf21("5","1","7","6","2","7","4","1") = "6"
    & skf21("5","1","7","6","2","7","5","1") = "6"
    & skf21("5","1","7","6","2","7","6","1") = "6"
    & skf21("5","1","7","6","2","7","7","1") = "6"
    & skf21("5","1","7","6","3","1","1","1") = "6"
    & skf21("5","1","7","6","3","1","2","1") = "6"
    & skf21("5","1","7","6","3","1","3","1") = "6"
    & skf21("5","1","7","6","3","1","4","1") = "6"
    & skf21("5","1","7","6","3","1","5","1") = "6"
    & skf21("5","1","7","6","3","1","6","1") = "6"
    & skf21("5","1","7","6","3","1","7","1") = "6"
    & skf21("5","1","7","6","3","2","1","1") = "6"
    & skf21("5","1","7","6","3","2","2","1") = "6"
    & skf21("5","1","7","6","3","2","3","1") = "6"
    & skf21("5","1","7","6","3","2","4","1") = "6"
    & skf21("5","1","7","6","3","2","5","1") = "6"
    & skf21("5","1","7","6","3","2","6","1") = "6"
    & skf21("5","1","7","6","3","2","7","1") = "6"
    & skf21("5","1","7","6","3","3","1","1") = "6"
    & skf21("5","1","7","6","3","3","2","1") = "6"
    & skf21("5","1","7","6","3","3","3","1") = "6"
    & skf21("5","1","7","6","3","3","4","1") = "6"
    & skf21("5","1","7","6","3","3","5","1") = "6"
    & skf21("5","1","7","6","3","3","6","1") = "6"
    & skf21("5","1","7","6","3","3","7","1") = "6"
    & skf21("5","1","7","6","3","4","1","1") = "6"
    & skf21("5","1","7","6","3","4","2","1") = "6"
    & skf21("5","1","7","6","3","4","3","1") = "6"
    & skf21("5","1","7","6","3","4","4","1") = "6"
    & skf21("5","1","7","6","3","4","5","1") = "6"
    & skf21("5","1","7","6","3","4","6","1") = "6"
    & skf21("5","1","7","6","3","4","7","1") = "6"
    & skf21("5","1","7","6","3","5","1","1") = "6"
    & skf21("5","1","7","6","3","5","2","1") = "6"
    & skf21("5","1","7","6","3","5","3","1") = "6"
    & skf21("5","1","7","6","3","5","4","1") = "6"
    & skf21("5","1","7","6","3","5","5","1") = "6"
    & skf21("5","1","7","6","3","5","6","1") = "6"
    & skf21("5","1","7","6","3","5","7","1") = "6"
    & skf21("5","1","7","6","3","6","1","1") = "6"
    & skf21("5","1","7","6","3","6","2","1") = "6"
    & skf21("5","1","7","6","3","6","3","1") = "6"
    & skf21("5","1","7","6","3","6","4","1") = "6"
    & skf21("5","1","7","6","3","6","5","1") = "6"
    & skf21("5","1","7","6","3","6","6","1") = "6"
    & skf21("5","1","7","6","3","6","7","1") = "6"
    & skf21("5","1","7","6","3","7","1","1") = "6"
    & skf21("5","1","7","6","3","7","2","1") = "6"
    & skf21("5","1","7","6","3","7","3","1") = "6"
    & skf21("5","1","7","6","3","7","4","1") = "6"
    & skf21("5","1","7","6","3","7","5","1") = "6"
    & skf21("5","1","7","6","3","7","6","1") = "6"
    & skf21("5","1","7","6","3","7","7","1") = "6"
    & skf21("5","1","7","6","4","1","1","1") = "6"
    & skf21("5","1","7","6","4","1","2","1") = "6"
    & skf21("5","1","7","6","4","1","3","1") = "6"
    & skf21("5","1","7","6","4","1","4","1") = "6"
    & skf21("5","1","7","6","4","1","5","1") = "6"
    & skf21("5","1","7","6","4","1","6","1") = "6"
    & skf21("5","1","7","6","4","1","7","1") = "6"
    & skf21("5","1","7","6","4","2","1","1") = "6"
    & skf21("5","1","7","6","4","2","2","1") = "6"
    & skf21("5","1","7","6","4","2","3","1") = "6"
    & skf21("5","1","7","6","4","2","4","1") = "6"
    & skf21("5","1","7","6","4","2","5","1") = "6"
    & skf21("5","1","7","6","4","2","6","1") = "6"
    & skf21("5","1","7","6","4","2","7","1") = "6"
    & skf21("5","1","7","6","4","3","1","1") = "6"
    & skf21("5","1","7","6","4","3","2","1") = "6"
    & skf21("5","1","7","6","4","3","3","1") = "6"
    & skf21("5","1","7","6","4","3","4","1") = "6"
    & skf21("5","1","7","6","4","3","5","1") = "6"
    & skf21("5","1","7","6","4","3","6","1") = "6"
    & skf21("5","1","7","6","4","3","7","1") = "6"
    & skf21("5","1","7","6","4","4","1","1") = "6"
    & skf21("5","1","7","6","4","4","2","1") = "6"
    & skf21("5","1","7","6","4","4","3","1") = "6"
    & skf21("5","1","7","6","4","4","4","1") = "6"
    & skf21("5","1","7","6","4","4","5","1") = "6"
    & skf21("5","1","7","6","4","4","6","1") = "6"
    & skf21("5","1","7","6","4","4","7","1") = "6"
    & skf21("5","1","7","6","4","5","1","1") = "6"
    & skf21("5","1","7","6","4","5","2","1") = "6"
    & skf21("5","1","7","6","4","5","3","1") = "6"
    & skf21("5","1","7","6","4","5","4","1") = "6"
    & skf21("5","1","7","6","4","5","5","1") = "6"
    & skf21("5","1","7","6","4","5","6","1") = "6"
    & skf21("5","1","7","6","4","5","7","1") = "6"
    & skf21("5","1","7","6","4","6","1","1") = "6"
    & skf21("5","1","7","6","4","6","2","1") = "6"
    & skf21("5","1","7","6","4","6","3","1") = "6"
    & skf21("5","1","7","6","4","6","4","1") = "6"
    & skf21("5","1","7","6","4","6","5","1") = "6"
    & skf21("5","1","7","6","4","6","6","1") = "6"
    & skf21("5","1","7","6","4","6","7","1") = "6"
    & skf21("5","1","7","6","4","7","1","1") = "6"
    & skf21("5","1","7","6","4","7","2","1") = "6"
    & skf21("5","1","7","6","4","7","3","1") = "6"
    & skf21("5","1","7","6","4","7","4","1") = "6"
    & skf21("5","1","7","6","4","7","5","1") = "6"
    & skf21("5","1","7","6","4","7","6","1") = "6"
    & skf21("5","1","7","6","4","7","7","1") = "6"
    & skf21("5","1","7","6","5","1","1","1") = "6"
    & skf21("5","1","7","6","5","1","2","1") = "6"
    & skf21("5","1","7","6","5","1","3","1") = "6"
    & skf21("5","1","7","6","5","1","4","1") = "6"
    & skf21("5","1","7","6","5","1","5","1") = "6"
    & skf21("5","1","7","6","5","1","6","1") = "6"
    & skf21("5","1","7","6","5","1","7","1") = "6"
    & skf21("5","1","7","6","5","2","1","1") = "6"
    & skf21("5","1","7","6","5","2","2","1") = "6"
    & skf21("5","1","7","6","5","2","3","1") = "6"
    & skf21("5","1","7","6","5","2","4","1") = "6"
    & skf21("5","1","7","6","5","2","5","1") = "6"
    & skf21("5","1","7","6","5","2","6","1") = "6"
    & skf21("5","1","7","6","5","2","7","1") = "6"
    & skf21("5","1","7","6","5","3","1","1") = "6"
    & skf21("5","1","7","6","5","3","2","1") = "6"
    & skf21("5","1","7","6","5","3","3","1") = "6"
    & skf21("5","1","7","6","5","3","4","1") = "6"
    & skf21("5","1","7","6","5","3","5","1") = "6"
    & skf21("5","1","7","6","5","3","6","1") = "6"
    & skf21("5","1","7","6","5","3","7","1") = "6"
    & skf21("5","1","7","6","5","4","1","1") = "6"
    & skf21("5","1","7","6","5","4","2","1") = "6"
    & skf21("5","1","7","6","5","4","3","1") = "6"
    & skf21("5","1","7","6","5","4","4","1") = "6"
    & skf21("5","1","7","6","5","4","5","1") = "6"
    & skf21("5","1","7","6","5","4","6","1") = "6"
    & skf21("5","1","7","6","5","4","7","1") = "6"
    & skf21("5","1","7","6","5","5","1","1") = "6"
    & skf21("5","1","7","6","5","5","2","1") = "6"
    & skf21("5","1","7","6","5","5","3","1") = "6"
    & skf21("5","1","7","6","5","5","4","1") = "6"
    & skf21("5","1","7","6","5","5","5","1") = "6"
    & skf21("5","1","7","6","5","5","6","1") = "6"
    & skf21("5","1","7","6","5","5","7","1") = "6"
    & skf21("5","1","7","6","5","6","1","1") = "6"
    & skf21("5","1","7","6","5","6","2","1") = "6"
    & skf21("5","1","7","6","5","6","3","1") = "6"
    & skf21("5","1","7","6","5","6","4","1") = "6"
    & skf21("5","1","7","6","5","6","5","1") = "6"
    & skf21("5","1","7","6","5","6","6","1") = "6"
    & skf21("5","1","7","6","5","6","7","1") = "6"
    & skf21("5","1","7","6","5","7","1","1") = "6"
    & skf21("5","1","7","6","5","7","2","1") = "6"
    & skf21("5","1","7","6","5","7","3","1") = "6"
    & skf21("5","1","7","6","5","7","4","1") = "6"
    & skf21("5","1","7","6","5","7","5","1") = "6"
    & skf21("5","1","7","6","5","7","6","1") = "6"
    & skf21("5","1","7","6","5","7","7","1") = "6"
    & skf21("5","1","7","6","6","1","1","1") = "6"
    & skf21("5","1","7","6","6","1","2","1") = "6"
    & skf21("5","1","7","6","6","1","3","1") = "6"
    & skf21("5","1","7","6","6","1","4","1") = "6"
    & skf21("5","1","7","6","6","1","5","1") = "6"
    & skf21("5","1","7","6","6","1","6","1") = "6"
    & skf21("5","1","7","6","6","1","7","1") = "6"
    & skf21("5","1","7","6","6","2","1","1") = "6"
    & skf21("5","1","7","6","6","2","2","1") = "6"
    & skf21("5","1","7","6","6","2","3","1") = "6"
    & skf21("5","1","7","6","6","2","4","1") = "6"
    & skf21("5","1","7","6","6","2","5","1") = "6"
    & skf21("5","1","7","6","6","2","6","1") = "6"
    & skf21("5","1","7","6","6","2","7","1") = "6"
    & skf21("5","1","7","6","6","3","1","1") = "6"
    & skf21("5","1","7","6","6","3","2","1") = "6"
    & skf21("5","1","7","6","6","3","3","1") = "6"
    & skf21("5","1","7","6","6","3","4","1") = "6"
    & skf21("5","1","7","6","6","3","5","1") = "6"
    & skf21("5","1","7","6","6","3","6","1") = "6"
    & skf21("5","1","7","6","6","3","7","1") = "6"
    & skf21("5","1","7","6","6","4","1","1") = "6"
    & skf21("5","1","7","6","6","4","2","1") = "6"
    & skf21("5","1","7","6","6","4","3","1") = "6"
    & skf21("5","1","7","6","6","4","4","1") = "6"
    & skf21("5","1","7","6","6","4","5","1") = "6"
    & skf21("5","1","7","6","6","4","6","1") = "6"
    & skf21("5","1","7","6","6","4","7","1") = "6"
    & skf21("5","1","7","6","6","5","1","1") = "6"
    & skf21("5","1","7","6","6","5","2","1") = "6"
    & skf21("5","1","7","6","6","5","3","1") = "6"
    & skf21("5","1","7","6","6","5","4","1") = "6"
    & skf21("5","1","7","6","6","5","5","1") = "6"
    & skf21("5","1","7","6","6","5","6","1") = "6"
    & skf21("5","1","7","6","6","5","7","1") = "6"
    & skf21("5","1","7","6","6","6","1","1") = "6"
    & skf21("5","1","7","6","6","6","2","1") = "6"
    & skf21("5","1","7","6","6","6","3","1") = "6"
    & skf21("5","1","7","6","6","6","4","1") = "6"
    & skf21("5","1","7","6","6","6","5","1") = "6"
    & skf21("5","1","7","6","6","6","6","1") = "6"
    & skf21("5","1","7","6","6","6","7","1") = "6"
    & skf21("5","1","7","6","6","7","1","1") = "6"
    & skf21("5","1","7","6","6","7","2","1") = "6"
    & skf21("5","1","7","6","6","7","3","1") = "6"
    & skf21("5","1","7","6","6","7","4","1") = "6"
    & skf21("5","1","7","6","6","7","5","1") = "6"
    & skf21("5","1","7","6","6","7","6","1") = "6"
    & skf21("5","1","7","6","6","7","7","1") = "6"
    & skf21("5","1","7","6","7","1","1","1") = "6"
    & skf21("5","1","7","6","7","1","2","1") = "6"
    & skf21("5","1","7","6","7","1","3","1") = "6"
    & skf21("5","1","7","6","7","1","4","1") = "6"
    & skf21("5","1","7","6","7","1","5","1") = "6"
    & skf21("5","1","7","6","7","1","6","1") = "6"
    & skf21("5","1","7","6","7","1","7","1") = "6"
    & skf21("5","1","7","6","7","2","1","1") = "6"
    & skf21("5","1","7","6","7","2","2","1") = "6"
    & skf21("5","1","7","6","7","2","3","1") = "6"
    & skf21("5","1","7","6","7","2","4","1") = "6"
    & skf21("5","1","7","6","7","2","5","1") = "6"
    & skf21("5","1","7","6","7","2","6","1") = "6"
    & skf21("5","1","7","6","7","2","7","1") = "6"
    & skf21("5","1","7","6","7","3","1","1") = "6"
    & skf21("5","1","7","6","7","3","2","1") = "6"
    & skf21("5","1","7","6","7","3","3","1") = "6"
    & skf21("5","1","7","6","7","3","4","1") = "6"
    & skf21("5","1","7","6","7","3","5","1") = "6"
    & skf21("5","1","7","6","7","3","6","1") = "6"
    & skf21("5","1","7","6","7","3","7","1") = "6"
    & skf21("5","1","7","6","7","4","1","1") = "6"
    & skf21("5","1","7","6","7","4","2","1") = "6"
    & skf21("5","1","7","6","7","4","3","1") = "6"
    & skf21("5","1","7","6","7","4","4","1") = "6"
    & skf21("5","1","7","6","7","4","5","1") = "6"
    & skf21("5","1","7","6","7","4","6","1") = "6"
    & skf21("5","1","7","6","7","4","7","1") = "6"
    & skf21("5","1","7","6","7","5","1","1") = "6"
    & skf21("5","1","7","6","7","5","2","1") = "6"
    & skf21("5","1","7","6","7","5","3","1") = "6"
    & skf21("5","1","7","6","7","5","4","1") = "6"
    & skf21("5","1","7","6","7","5","5","1") = "6"
    & skf21("5","1","7","6","7","5","6","1") = "6"
    & skf21("5","1","7","6","7","5","7","1") = "6"
    & skf21("5","1","7","6","7","6","1","1") = "6"
    & skf21("5","1","7","6","7","6","2","1") = "6"
    & skf21("5","1","7","6","7","6","3","1") = "6"
    & skf21("5","1","7","6","7","6","4","1") = "6"
    & skf21("5","1","7","6","7","6","5","1") = "6"
    & skf21("5","1","7","6","7","6","6","1") = "6"
    & skf21("5","1","7","6","7","6","7","1") = "6"
    & skf21("5","1","7","6","7","7","1","1") = "6"
    & skf21("5","1","7","6","7","7","2","1") = "6"
    & skf21("5","1","7","6","7","7","3","1") = "6"
    & skf21("5","1","7","6","7","7","4","1") = "6"
    & skf21("5","1","7","6","7","7","5","1") = "6"
    & skf21("5","1","7","6","7","7","6","1") = "6"
    & skf21("5","1","7","6","7","7","7","1") = "6"
    & skf21("5","1","7","7","1","1","1","1") = "6"
    & skf21("5","1","7","7","1","1","2","1") = "6"
    & skf21("5","1","7","7","1","1","3","1") = "6"
    & skf21("5","1","7","7","1","1","4","1") = "6"
    & skf21("5","1","7","7","1","1","5","1") = "6"
    & skf21("5","1","7","7","1","1","6","1") = "6"
    & skf21("5","1","7","7","1","1","7","1") = "6"
    & skf21("5","1","7","7","1","2","1","1") = "6"
    & skf21("5","1","7","7","1","2","2","1") = "6"
    & skf21("5","1","7","7","1","2","3","1") = "6"
    & skf21("5","1","7","7","1","2","4","1") = "6"
    & skf21("5","1","7","7","1","2","5","1") = "6"
    & skf21("5","1","7","7","1","2","6","1") = "6"
    & skf21("5","1","7","7","1","2","7","1") = "6"
    & skf21("5","1","7","7","1","3","1","1") = "6"
    & skf21("5","1","7","7","1","3","2","1") = "6"
    & skf21("5","1","7","7","1","3","3","1") = "6"
    & skf21("5","1","7","7","1","3","4","1") = "6"
    & skf21("5","1","7","7","1","3","5","1") = "6"
    & skf21("5","1","7","7","1","3","6","1") = "6"
    & skf21("5","1","7","7","1","3","7","1") = "6"
    & skf21("5","1","7","7","1","4","1","1") = "6"
    & skf21("5","1","7","7","1","4","2","1") = "6"
    & skf21("5","1","7","7","1","4","3","1") = "6"
    & skf21("5","1","7","7","1","4","4","1") = "6"
    & skf21("5","1","7","7","1","4","5","1") = "6"
    & skf21("5","1","7","7","1","4","6","1") = "6"
    & skf21("5","1","7","7","1","4","7","1") = "6"
    & skf21("5","1","7","7","1","5","1","1") = "6"
    & skf21("5","1","7","7","1","5","2","1") = "6"
    & skf21("5","1","7","7","1","5","3","1") = "6"
    & skf21("5","1","7","7","1","5","4","1") = "6"
    & skf21("5","1","7","7","1","5","5","1") = "6"
    & skf21("5","1","7","7","1","5","6","1") = "6"
    & skf21("5","1","7","7","1","5","7","1") = "6"
    & skf21("5","1","7","7","1","6","1","1") = "6"
    & skf21("5","1","7","7","1","6","2","1") = "6"
    & skf21("5","1","7","7","1","6","3","1") = "6"
    & skf21("5","1","7","7","1","6","4","1") = "6"
    & skf21("5","1","7","7","1","6","5","1") = "6"
    & skf21("5","1","7","7","1","6","6","1") = "6"
    & skf21("5","1","7","7","1","6","7","1") = "6"
    & skf21("5","1","7","7","1","7","1","1") = "6"
    & skf21("5","1","7","7","1","7","2","1") = "6"
    & skf21("5","1","7","7","1","7","3","1") = "6"
    & skf21("5","1","7","7","1","7","4","1") = "6"
    & skf21("5","1","7","7","1","7","5","1") = "6"
    & skf21("5","1","7","7","1","7","6","1") = "6"
    & skf21("5","1","7","7","1","7","7","1") = "6"
    & skf21("5","1","7","7","2","1","1","1") = "6"
    & skf21("5","1","7","7","2","1","2","1") = "6"
    & skf21("5","1","7","7","2","1","3","1") = "6"
    & skf21("5","1","7","7","2","1","4","1") = "6"
    & skf21("5","1","7","7","2","1","5","1") = "6"
    & skf21("5","1","7","7","2","1","6","1") = "6"
    & skf21("5","1","7","7","2","1","7","1") = "6"
    & skf21("5","1","7","7","2","2","1","1") = "6"
    & skf21("5","1","7","7","2","2","2","1") = "6"
    & skf21("5","1","7","7","2","2","3","1") = "6"
    & skf21("5","1","7","7","2","2","4","1") = "6"
    & skf21("5","1","7","7","2","2","5","1") = "6"
    & skf21("5","1","7","7","2","2","6","1") = "6"
    & skf21("5","1","7","7","2","2","7","1") = "6"
    & skf21("5","1","7","7","2","3","1","1") = "6"
    & skf21("5","1","7","7","2","3","2","1") = "6"
    & skf21("5","1","7","7","2","3","3","1") = "6"
    & skf21("5","1","7","7","2","3","4","1") = "6"
    & skf21("5","1","7","7","2","3","5","1") = "6"
    & skf21("5","1","7","7","2","3","6","1") = "6"
    & skf21("5","1","7","7","2","3","7","1") = "6"
    & skf21("5","1","7","7","2","4","1","1") = "6"
    & skf21("5","1","7","7","2","4","2","1") = "6"
    & skf21("5","1","7","7","2","4","3","1") = "6"
    & skf21("5","1","7","7","2","4","4","1") = "6"
    & skf21("5","1","7","7","2","4","5","1") = "6"
    & skf21("5","1","7","7","2","4","6","1") = "6"
    & skf21("5","1","7","7","2","4","7","1") = "6"
    & skf21("5","1","7","7","2","5","1","1") = "6"
    & skf21("5","1","7","7","2","5","2","1") = "6"
    & skf21("5","1","7","7","2","5","3","1") = "6"
    & skf21("5","1","7","7","2","5","4","1") = "6"
    & skf21("5","1","7","7","2","5","5","1") = "6"
    & skf21("5","1","7","7","2","5","6","1") = "6"
    & skf21("5","1","7","7","2","5","7","1") = "6"
    & skf21("5","1","7","7","2","6","1","1") = "6"
    & skf21("5","1","7","7","2","6","2","1") = "6"
    & skf21("5","1","7","7","2","6","3","1") = "6"
    & skf21("5","1","7","7","2","6","4","1") = "6"
    & skf21("5","1","7","7","2","6","5","1") = "6"
    & skf21("5","1","7","7","2","6","6","1") = "6"
    & skf21("5","1","7","7","2","6","7","1") = "6"
    & skf21("5","1","7","7","2","7","1","1") = "6"
    & skf21("5","1","7","7","2","7","2","1") = "6"
    & skf21("5","1","7","7","2","7","3","1") = "6"
    & skf21("5","1","7","7","2","7","4","1") = "6"
    & skf21("5","1","7","7","2","7","5","1") = "6"
    & skf21("5","1","7","7","2","7","6","1") = "6"
    & skf21("5","1","7","7","2","7","7","1") = "6"
    & skf21("5","1","7","7","3","1","1","1") = "6"
    & skf21("5","1","7","7","3","1","2","1") = "6"
    & skf21("5","1","7","7","3","1","3","1") = "6"
    & skf21("5","1","7","7","3","1","4","1") = "6"
    & skf21("5","1","7","7","3","1","5","1") = "6"
    & skf21("5","1","7","7","3","1","6","1") = "6"
    & skf21("5","1","7","7","3","1","7","1") = "6"
    & skf21("5","1","7","7","3","2","1","1") = "6"
    & skf21("5","1","7","7","3","2","2","1") = "6"
    & skf21("5","1","7","7","3","2","3","1") = "6"
    & skf21("5","1","7","7","3","2","4","1") = "6"
    & skf21("5","1","7","7","3","2","5","1") = "6"
    & skf21("5","1","7","7","3","2","6","1") = "6"
    & skf21("5","1","7","7","3","2","7","1") = "6"
    & skf21("5","1","7","7","3","3","1","1") = "6"
    & skf21("5","1","7","7","3","3","2","1") = "6"
    & skf21("5","1","7","7","3","3","3","1") = "6"
    & skf21("5","1","7","7","3","3","4","1") = "6"
    & skf21("5","1","7","7","3","3","5","1") = "6"
    & skf21("5","1","7","7","3","3","6","1") = "6"
    & skf21("5","1","7","7","3","3","7","1") = "6"
    & skf21("5","1","7","7","3","4","1","1") = "6"
    & skf21("5","1","7","7","3","4","2","1") = "6"
    & skf21("5","1","7","7","3","4","3","1") = "6"
    & skf21("5","1","7","7","3","4","4","1") = "6"
    & skf21("5","1","7","7","3","4","5","1") = "6"
    & skf21("5","1","7","7","3","4","6","1") = "6"
    & skf21("5","1","7","7","3","4","7","1") = "6"
    & skf21("5","1","7","7","3","5","1","1") = "6"
    & skf21("5","1","7","7","3","5","2","1") = "6"
    & skf21("5","1","7","7","3","5","3","1") = "6"
    & skf21("5","1","7","7","3","5","4","1") = "6"
    & skf21("5","1","7","7","3","5","5","1") = "6"
    & skf21("5","1","7","7","3","5","6","1") = "6"
    & skf21("5","1","7","7","3","5","7","1") = "6"
    & skf21("5","1","7","7","3","6","1","1") = "6"
    & skf21("5","1","7","7","3","6","2","1") = "6"
    & skf21("5","1","7","7","3","6","3","1") = "6"
    & skf21("5","1","7","7","3","6","4","1") = "6"
    & skf21("5","1","7","7","3","6","5","1") = "6"
    & skf21("5","1","7","7","3","6","6","1") = "6"
    & skf21("5","1","7","7","3","6","7","1") = "6"
    & skf21("5","1","7","7","3","7","1","1") = "6"
    & skf21("5","1","7","7","3","7","2","1") = "6"
    & skf21("5","1","7","7","3","7","3","1") = "6"
    & skf21("5","1","7","7","3","7","4","1") = "6"
    & skf21("5","1","7","7","3","7","5","1") = "6"
    & skf21("5","1","7","7","3","7","6","1") = "6"
    & skf21("5","1","7","7","3","7","7","1") = "6"
    & skf21("5","1","7","7","4","1","1","1") = "6"
    & skf21("5","1","7","7","4","1","2","1") = "6"
    & skf21("5","1","7","7","4","1","3","1") = "6"
    & skf21("5","1","7","7","4","1","4","1") = "6"
    & skf21("5","1","7","7","4","1","5","1") = "6"
    & skf21("5","1","7","7","4","1","6","1") = "6"
    & skf21("5","1","7","7","4","1","7","1") = "6"
    & skf21("5","1","7","7","4","2","1","1") = "6"
    & skf21("5","1","7","7","4","2","2","1") = "6"
    & skf21("5","1","7","7","4","2","3","1") = "6"
    & skf21("5","1","7","7","4","2","4","1") = "6"
    & skf21("5","1","7","7","4","2","5","1") = "6"
    & skf21("5","1","7","7","4","2","6","1") = "6"
    & skf21("5","1","7","7","4","2","7","1") = "6"
    & skf21("5","1","7","7","4","3","1","1") = "6"
    & skf21("5","1","7","7","4","3","2","1") = "6"
    & skf21("5","1","7","7","4","3","3","1") = "6"
    & skf21("5","1","7","7","4","3","4","1") = "6"
    & skf21("5","1","7","7","4","3","5","1") = "6"
    & skf21("5","1","7","7","4","3","6","1") = "6"
    & skf21("5","1","7","7","4","3","7","1") = "6"
    & skf21("5","1","7","7","4","4","1","1") = "6"
    & skf21("5","1","7","7","4","4","2","1") = "6"
    & skf21("5","1","7","7","4","4","3","1") = "6"
    & skf21("5","1","7","7","4","4","4","1") = "6"
    & skf21("5","1","7","7","4","4","5","1") = "6"
    & skf21("5","1","7","7","4","4","6","1") = "6"
    & skf21("5","1","7","7","4","4","7","1") = "6"
    & skf21("5","1","7","7","4","5","1","1") = "6"
    & skf21("5","1","7","7","4","5","2","1") = "6"
    & skf21("5","1","7","7","4","5","3","1") = "6"
    & skf21("5","1","7","7","4","5","4","1") = "6"
    & skf21("5","1","7","7","4","5","5","1") = "6"
    & skf21("5","1","7","7","4","5","6","1") = "6"
    & skf21("5","1","7","7","4","5","7","1") = "6"
    & skf21("5","1","7","7","4","6","1","1") = "6"
    & skf21("5","1","7","7","4","6","2","1") = "6"
    & skf21("5","1","7","7","4","6","3","1") = "6"
    & skf21("5","1","7","7","4","6","4","1") = "6"
    & skf21("5","1","7","7","4","6","5","1") = "6"
    & skf21("5","1","7","7","4","6","6","1") = "6"
    & skf21("5","1","7","7","4","6","7","1") = "6"
    & skf21("5","1","7","7","4","7","1","1") = "6"
    & skf21("5","1","7","7","4","7","2","1") = "6"
    & skf21("5","1","7","7","4","7","3","1") = "6"
    & skf21("5","1","7","7","4","7","4","1") = "6"
    & skf21("5","1","7","7","4","7","5","1") = "6"
    & skf21("5","1","7","7","4","7","6","1") = "6"
    & skf21("5","1","7","7","4","7","7","1") = "6"
    & skf21("5","1","7","7","5","1","1","1") = "6"
    & skf21("5","1","7","7","5","1","2","1") = "6"
    & skf21("5","1","7","7","5","1","3","1") = "6"
    & skf21("5","1","7","7","5","1","4","1") = "6"
    & skf21("5","1","7","7","5","1","5","1") = "6"
    & skf21("5","1","7","7","5","1","6","1") = "6"
    & skf21("5","1","7","7","5","1","7","1") = "6"
    & skf21("5","1","7","7","5","2","1","1") = "6"
    & skf21("5","1","7","7","5","2","2","1") = "6"
    & skf21("5","1","7","7","5","2","3","1") = "6"
    & skf21("5","1","7","7","5","2","4","1") = "6"
    & skf21("5","1","7","7","5","2","5","1") = "6"
    & skf21("5","1","7","7","5","2","6","1") = "6"
    & skf21("5","1","7","7","5","2","7","1") = "6"
    & skf21("5","1","7","7","5","3","1","1") = "6"
    & skf21("5","1","7","7","5","3","2","1") = "6"
    & skf21("5","1","7","7","5","3","3","1") = "6"
    & skf21("5","1","7","7","5","3","4","1") = "6"
    & skf21("5","1","7","7","5","3","5","1") = "6"
    & skf21("5","1","7","7","5","3","6","1") = "6"
    & skf21("5","1","7","7","5","3","7","1") = "6"
    & skf21("5","1","7","7","5","4","1","1") = "6"
    & skf21("5","1","7","7","5","4","2","1") = "6"
    & skf21("5","1","7","7","5","4","3","1") = "6"
    & skf21("5","1","7","7","5","4","4","1") = "6"
    & skf21("5","1","7","7","5","4","5","1") = "6"
    & skf21("5","1","7","7","5","4","6","1") = "6"
    & skf21("5","1","7","7","5","4","7","1") = "6"
    & skf21("5","1","7","7","5","5","1","1") = "6"
    & skf21("5","1","7","7","5","5","2","1") = "6"
    & skf21("5","1","7","7","5","5","3","1") = "6"
    & skf21("5","1","7","7","5","5","4","1") = "6"
    & skf21("5","1","7","7","5","5","5","1") = "6"
    & skf21("5","1","7","7","5","5","6","1") = "6"
    & skf21("5","1","7","7","5","5","7","1") = "6"
    & skf21("5","1","7","7","5","6","1","1") = "6"
    & skf21("5","1","7","7","5","6","2","1") = "6"
    & skf21("5","1","7","7","5","6","3","1") = "6"
    & skf21("5","1","7","7","5","6","4","1") = "6"
    & skf21("5","1","7","7","5","6","5","1") = "6"
    & skf21("5","1","7","7","5","6","6","1") = "6"
    & skf21("5","1","7","7","5","6","7","1") = "6"
    & skf21("5","1","7","7","5","7","1","1") = "6"
    & skf21("5","1","7","7","5","7","2","1") = "6"
    & skf21("5","1","7","7","5","7","3","1") = "6"
    & skf21("5","1","7","7","5","7","4","1") = "6"
    & skf21("5","1","7","7","5","7","5","1") = "6"
    & skf21("5","1","7","7","5","7","6","1") = "6"
    & skf21("5","1","7","7","5","7","7","1") = "6"
    & skf21("5","1","7","7","6","1","1","1") = "6"
    & skf21("5","1","7","7","6","1","2","1") = "6"
    & skf21("5","1","7","7","6","1","3","1") = "6"
    & skf21("5","1","7","7","6","1","4","1") = "6"
    & skf21("5","1","7","7","6","1","5","1") = "6"
    & skf21("5","1","7","7","6","1","6","1") = "6"
    & skf21("5","1","7","7","6","1","7","1") = "6"
    & skf21("5","1","7","7","6","2","1","1") = "6"
    & skf21("5","1","7","7","6","2","2","1") = "6"
    & skf21("5","1","7","7","6","2","3","1") = "6"
    & skf21("5","1","7","7","6","2","4","1") = "6"
    & skf21("5","1","7","7","6","2","5","1") = "6"
    & skf21("5","1","7","7","6","2","6","1") = "6"
    & skf21("5","1","7","7","6","2","7","1") = "6"
    & skf21("5","1","7","7","6","3","1","1") = "6"
    & skf21("5","1","7","7","6","3","2","1") = "6"
    & skf21("5","1","7","7","6","3","3","1") = "6"
    & skf21("5","1","7","7","6","3","4","1") = "6"
    & skf21("5","1","7","7","6","3","5","1") = "6"
    & skf21("5","1","7","7","6","3","6","1") = "6"
    & skf21("5","1","7","7","6","3","7","1") = "6"
    & skf21("5","1","7","7","6","4","1","1") = "6"
    & skf21("5","1","7","7","6","4","2","1") = "6"
    & skf21("5","1","7","7","6","4","3","1") = "6"
    & skf21("5","1","7","7","6","4","4","1") = "6"
    & skf21("5","1","7","7","6","4","5","1") = "6"
    & skf21("5","1","7","7","6","4","6","1") = "6"
    & skf21("5","1","7","7","6","4","7","1") = "6"
    & skf21("5","1","7","7","6","5","1","1") = "6"
    & skf21("5","1","7","7","6","5","2","1") = "6"
    & skf21("5","1","7","7","6","5","3","1") = "6"
    & skf21("5","1","7","7","6","5","4","1") = "6"
    & skf21("5","1","7","7","6","5","5","1") = "6"
    & skf21("5","1","7","7","6","5","6","1") = "6"
    & skf21("5","1","7","7","6","5","7","1") = "6"
    & skf21("5","1","7","7","6","6","1","1") = "6"
    & skf21("5","1","7","7","6","6","2","1") = "6"
    & skf21("5","1","7","7","6","6","3","1") = "6"
    & skf21("5","1","7","7","6","6","4","1") = "6"
    & skf21("5","1","7","7","6","6","5","1") = "6"
    & skf21("5","1","7","7","6","6","6","1") = "6"
    & skf21("5","1","7","7","6","6","7","1") = "6"
    & skf21("5","1","7","7","6","7","1","1") = "6"
    & skf21("5","1","7","7","6","7","2","1") = "6"
    & skf21("5","1","7","7","6","7","3","1") = "6"
    & skf21("5","1","7","7","6","7","4","1") = "6"
    & skf21("5","1","7","7","6","7","5","1") = "6"
    & skf21("5","1","7","7","6","7","6","1") = "6"
    & skf21("5","1","7","7","6","7","7","1") = "6"
    & skf21("5","1","7","7","7","1","1","1") = "6"
    & skf21("5","1","7","7","7","1","2","1") = "6"
    & skf21("5","1","7","7","7","1","3","1") = "6"
    & skf21("5","1","7","7","7","1","4","1") = "6"
    & skf21("5","1","7","7","7","1","5","1") = "6"
    & skf21("5","1","7","7","7","1","6","1") = "6"
    & skf21("5","1","7","7","7","1","7","1") = "6"
    & skf21("5","1","7","7","7","2","1","1") = "6"
    & skf21("5","1","7","7","7","2","2","1") = "6"
    & skf21("5","1","7","7","7","2","3","1") = "6"
    & skf21("5","1","7","7","7","2","4","1") = "6"
    & skf21("5","1","7","7","7","2","5","1") = "6"
    & skf21("5","1","7","7","7","2","6","1") = "6"
    & skf21("5","1","7","7","7","2","7","1") = "6"
    & skf21("5","1","7","7","7","3","1","1") = "6"
    & skf21("5","1","7","7","7","3","2","1") = "6"
    & skf21("5","1","7","7","7","3","3","1") = "6"
    & skf21("5","1","7","7","7","3","4","1") = "6"
    & skf21("5","1","7","7","7","3","5","1") = "6"
    & skf21("5","1","7","7","7","3","6","1") = "6"
    & skf21("5","1","7","7","7","3","7","1") = "6"
    & skf21("5","1","7","7","7","4","1","1") = "6"
    & skf21("5","1","7","7","7","4","2","1") = "6"
    & skf21("5","1","7","7","7","4","3","1") = "6"
    & skf21("5","1","7","7","7","4","4","1") = "6"
    & skf21("5","1","7","7","7","4","5","1") = "6"
    & skf21("5","1","7","7","7","4","6","1") = "6"
    & skf21("5","1","7","7","7","4","7","1") = "6"
    & skf21("5","1","7","7","7","5","1","1") = "6"
    & skf21("5","1","7","7","7","5","2","1") = "6"
    & skf21("5","1","7","7","7","5","3","1") = "6"
    & skf21("5","1","7","7","7","5","4","1") = "6"
    & skf21("5","1","7","7","7","5","5","1") = "6"
    & skf21("5","1","7","7","7","5","6","1") = "6"
    & skf21("5","1","7","7","7","5","7","1") = "6"
    & skf21("5","1","7","7","7","6","1","1") = "6"
    & skf21("5","1","7","7","7","6","2","1") = "6"
    & skf21("5","1","7","7","7","6","3","1") = "6"
    & skf21("5","1","7","7","7","6","4","1") = "6"
    & skf21("5","1","7","7","7","6","5","1") = "6"
    & skf21("5","1","7","7","7","6","6","1") = "6"
    & skf21("5","1","7","7","7","6","7","1") = "6"
    & skf21("5","1","7","7","7","7","1","1") = "6"
    & skf21("5","1","7","7","7","7","2","1") = "6"
    & skf21("5","1","7","7","7","7","3","1") = "6"
    & skf21("5","1","7","7","7","7","4","1") = "6"
    & skf21("5","1","7","7","7","7","5","1") = "6"
    & skf21("5","1","7","7","7","7","6","1") = "6"
    & skf21("5","1","7","7","7","7","7","1") = "6"
    & skf21("5","2","1","1","1","1","1","1") = "4"
    & skf21("5","2","1","1","1","1","2","1") = "4"
    & skf21("5","2","1","1","1","1","3","1") = "4"
    & skf21("5","2","1","1","1","1","4","1") = "4"
    & skf21("5","2","1","1","1","1","5","1") = "4"
    & skf21("5","2","1","1","1","1","6","1") = "5"
    & skf21("5","2","1","1","1","1","7","1") = "6"
    & skf21("5","2","1","1","1","2","1","1") = "4"
    & skf21("5","2","1","1","1","2","2","1") = "4"
    & skf21("5","2","1","1","1","2","3","1") = "4"
    & skf21("5","2","1","1","1","2","4","1") = "4"
    & skf21("5","2","1","1","1","2","5","1") = "4"
    & skf21("5","2","1","1","1","2","6","1") = "5"
    & skf21("5","2","1","1","1","2","7","1") = "6"
    & skf21("5","2","1","1","1","3","1","1") = "4"
    & skf21("5","2","1","1","1","3","2","1") = "4"
    & skf21("5","2","1","1","1","3","3","1") = "4"
    & skf21("5","2","1","1","1","3","4","1") = "4"
    & skf21("5","2","1","1","1","3","5","1") = "4"
    & skf21("5","2","1","1","1","3","6","1") = "5"
    & skf21("5","2","1","1","1","3","7","1") = "6"
    & skf21("5","2","1","1","1","4","1","1") = "4"
    & skf21("5","2","1","1","1","4","2","1") = "4"
    & skf21("5","2","1","1","1","4","3","1") = "4"
    & skf21("5","2","1","1","1","4","4","1") = "4"
    & skf21("5","2","1","1","1","4","5","1") = "4"
    & skf21("5","2","1","1","1","4","6","1") = "5"
    & skf21("5","2","1","1","1","4","7","1") = "6"
    & skf21("5","2","1","1","1","5","1","1") = "4"
    & skf21("5","2","1","1","1","5","2","1") = "4"
    & skf21("5","2","1","1","1","5","3","1") = "4"
    & skf21("5","2","1","1","1","5","4","1") = "4"
    & skf21("5","2","1","1","1","5","5","1") = "4"
    & skf21("5","2","1","1","1","5","6","1") = "5"
    & skf21("5","2","1","1","1","5","7","1") = "6"
    & skf21("5","2","1","1","1","6","1","1") = "5"
    & skf21("5","2","1","1","1","6","2","1") = "5"
    & skf21("5","2","1","1","1","6","3","1") = "5"
    & skf21("5","2","1","1","1","6","4","1") = "5"
    & skf21("5","2","1","1","1","6","5","1") = "5"
    & skf21("5","2","1","1","1","6","6","1") = "5"
    & skf21("5","2","1","1","1","6","7","1") = "6"
    & skf21("5","2","1","1","1","7","1","1") = "6"
    & skf21("5","2","1","1","1","7","2","1") = "6"
    & skf21("5","2","1","1","1","7","3","1") = "6"
    & skf21("5","2","1","1","1","7","4","1") = "6"
    & skf21("5","2","1","1","1","7","5","1") = "6"
    & skf21("5","2","1","1","1","7","6","1") = "6"
    & skf21("5","2","1","1","1","7","7","1") = "6"
    & skf21("5","2","1","1","2","1","1","1") = "4"
    & skf21("5","2","1","1","2","1","2","1") = "4"
    & skf21("5","2","1","1","2","1","3","1") = "4"
    & skf21("5","2","1","1","2","1","4","1") = "4"
    & skf21("5","2","1","1","2","1","5","1") = "4"
    & skf21("5","2","1","1","2","1","6","1") = "5"
    & skf21("5","2","1","1","2","1","7","1") = "6"
    & skf21("5","2","1","1","2","2","1","1") = "4"
    & skf21("5","2","1","1","2","2","2","1") = "4"
    & skf21("5","2","1","1","2","2","3","1") = "4"
    & skf21("5","2","1","1","2","2","4","1") = "4"
    & skf21("5","2","1","1","2","2","5","1") = "4"
    & skf21("5","2","1","1","2","2","6","1") = "5"
    & skf21("5","2","1","1","2","2","7","1") = "6"
    & skf21("5","2","1","1","2","3","1","1") = "4"
    & skf21("5","2","1","1","2","3","2","1") = "4"
    & skf21("5","2","1","1","2","3","3","1") = "4"
    & skf21("5","2","1","1","2","3","4","1") = "4"
    & skf21("5","2","1","1","2","3","5","1") = "4"
    & skf21("5","2","1","1","2","3","6","1") = "5"
    & skf21("5","2","1","1","2","3","7","1") = "6"
    & skf21("5","2","1","1","2","4","1","1") = "4"
    & skf21("5","2","1","1","2","4","2","1") = "4"
    & skf21("5","2","1","1","2","4","3","1") = "4"
    & skf21("5","2","1","1","2","4","4","1") = "4"
    & skf21("5","2","1","1","2","4","5","1") = "4"
    & skf21("5","2","1","1","2","4","6","1") = "5"
    & skf21("5","2","1","1","2","4","7","1") = "6"
    & skf21("5","2","1","1","2","5","1","1") = "4"
    & skf21("5","2","1","1","2","5","2","1") = "4"
    & skf21("5","2","1","1","2","5","3","1") = "4"
    & skf21("5","2","1","1","2","5","4","1") = "4"
    & skf21("5","2","1","1","2","5","5","1") = "4"
    & skf21("5","2","1","1","2","5","6","1") = "5"
    & skf21("5","2","1","1","2","5","7","1") = "6"
    & skf21("5","2","1","1","2","6","1","1") = "5"
    & skf21("5","2","1","1","2","6","2","1") = "5"
    & skf21("5","2","1","1","2","6","3","1") = "5"
    & skf21("5","2","1","1","2","6","4","1") = "5"
    & skf21("5","2","1","1","2","6","5","1") = "5"
    & skf21("5","2","1","1","2","6","6","1") = "5"
    & skf21("5","2","1","1","2","6","7","1") = "6"
    & skf21("5","2","1","1","2","7","1","1") = "6"
    & skf21("5","2","1","1","2","7","2","1") = "6"
    & skf21("5","2","1","1","2","7","3","1") = "6"
    & skf21("5","2","1","1","2","7","4","1") = "6"
    & skf21("5","2","1","1","2","7","5","1") = "6"
    & skf21("5","2","1","1","2","7","6","1") = "6"
    & skf21("5","2","1","1","2","7","7","1") = "6"
    & skf21("5","2","1","1","3","1","1","1") = "4"
    & skf21("5","2","1","1","3","1","2","1") = "4"
    & skf21("5","2","1","1","3","1","3","1") = "4"
    & skf21("5","2","1","1","3","1","4","1") = "4"
    & skf21("5","2","1","1","3","1","5","1") = "4"
    & skf21("5","2","1","1","3","1","6","1") = "5"
    & skf21("5","2","1","1","3","1","7","1") = "6"
    & skf21("5","2","1","1","3","2","1","1") = "4"
    & skf21("5","2","1","1","3","2","2","1") = "4"
    & skf21("5","2","1","1","3","2","3","1") = "4"
    & skf21("5","2","1","1","3","2","4","1") = "4"
    & skf21("5","2","1","1","3","2","5","1") = "4"
    & skf21("5","2","1","1","3","2","6","1") = "5"
    & skf21("5","2","1","1","3","2","7","1") = "6"
    & skf21("5","2","1","1","3","3","1","1") = "4"
    & skf21("5","2","1","1","3","3","2","1") = "4"
    & skf21("5","2","1","1","3","3","3","1") = "4"
    & skf21("5","2","1","1","3","3","4","1") = "4"
    & skf21("5","2","1","1","3","3","5","1") = "4"
    & skf21("5","2","1","1","3","3","6","1") = "5"
    & skf21("5","2","1","1","3","3","7","1") = "6"
    & skf21("5","2","1","1","3","4","1","1") = "4"
    & skf21("5","2","1","1","3","4","2","1") = "4"
    & skf21("5","2","1","1","3","4","3","1") = "4"
    & skf21("5","2","1","1","3","4","4","1") = "4"
    & skf21("5","2","1","1","3","4","5","1") = "4"
    & skf21("5","2","1","1","3","4","6","1") = "5"
    & skf21("5","2","1","1","3","4","7","1") = "6"
    & skf21("5","2","1","1","3","5","1","1") = "4"
    & skf21("5","2","1","1","3","5","2","1") = "4"
    & skf21("5","2","1","1","3","5","3","1") = "4"
    & skf21("5","2","1","1","3","5","4","1") = "4"
    & skf21("5","2","1","1","3","5","5","1") = "4"
    & skf21("5","2","1","1","3","5","6","1") = "5"
    & skf21("5","2","1","1","3","5","7","1") = "6"
    & skf21("5","2","1","1","3","6","1","1") = "5"
    & skf21("5","2","1","1","3","6","2","1") = "5"
    & skf21("5","2","1","1","3","6","3","1") = "5"
    & skf21("5","2","1","1","3","6","4","1") = "5"
    & skf21("5","2","1","1","3","6","5","1") = "5"
    & skf21("5","2","1","1","3","6","6","1") = "5"
    & skf21("5","2","1","1","3","6","7","1") = "6"
    & skf21("5","2","1","1","3","7","1","1") = "6"
    & skf21("5","2","1","1","3","7","2","1") = "6"
    & skf21("5","2","1","1","3","7","3","1") = "6"
    & skf21("5","2","1","1","3","7","4","1") = "6"
    & skf21("5","2","1","1","3","7","5","1") = "6"
    & skf21("5","2","1","1","3","7","6","1") = "6"
    & skf21("5","2","1","1","3","7","7","1") = "6"
    & skf21("5","2","1","1","4","1","1","1") = "4"
    & skf21("5","2","1","1","4","1","2","1") = "4"
    & skf21("5","2","1","1","4","1","3","1") = "4"
    & skf21("5","2","1","1","4","1","4","1") = "4"
    & skf21("5","2","1","1","4","1","5","1") = "4"
    & skf21("5","2","1","1","4","1","6","1") = "5"
    & skf21("5","2","1","1","4","1","7","1") = "6"
    & skf21("5","2","1","1","4","2","1","1") = "4"
    & skf21("5","2","1","1","4","2","2","1") = "4"
    & skf21("5","2","1","1","4","2","3","1") = "4"
    & skf21("5","2","1","1","4","2","4","1") = "4"
    & skf21("5","2","1","1","4","2","5","1") = "4"
    & skf21("5","2","1","1","4","2","6","1") = "5"
    & skf21("5","2","1","1","4","2","7","1") = "6"
    & skf21("5","2","1","1","4","3","1","1") = "4"
    & skf21("5","2","1","1","4","3","2","1") = "4"
    & skf21("5","2","1","1","4","3","3","1") = "4"
    & skf21("5","2","1","1","4","3","4","1") = "4"
    & skf21("5","2","1","1","4","3","5","1") = "4"
    & skf21("5","2","1","1","4","3","6","1") = "5"
    & skf21("5","2","1","1","4","3","7","1") = "6"
    & skf21("5","2","1","1","4","4","1","1") = "4"
    & skf21("5","2","1","1","4","4","2","1") = "4"
    & skf21("5","2","1","1","4","4","3","1") = "4"
    & skf21("5","2","1","1","4","4","4","1") = "4"
    & skf21("5","2","1","1","4","4","5","1") = "4"
    & skf21("5","2","1","1","4","4","6","1") = "5"
    & skf21("5","2","1","1","4","4","7","1") = "6"
    & skf21("5","2","1","1","4","5","1","1") = "4"
    & skf21("5","2","1","1","4","5","2","1") = "4"
    & skf21("5","2","1","1","4","5","3","1") = "4"
    & skf21("5","2","1","1","4","5","4","1") = "4"
    & skf21("5","2","1","1","4","5","5","1") = "4"
    & skf21("5","2","1","1","4","5","6","1") = "5"
    & skf21("5","2","1","1","4","5","7","1") = "6"
    & skf21("5","2","1","1","4","6","1","1") = "5"
    & skf21("5","2","1","1","4","6","2","1") = "5"
    & skf21("5","2","1","1","4","6","3","1") = "5"
    & skf21("5","2","1","1","4","6","4","1") = "5"
    & skf21("5","2","1","1","4","6","5","1") = "5"
    & skf21("5","2","1","1","4","6","6","1") = "5"
    & skf21("5","2","1","1","4","6","7","1") = "6"
    & skf21("5","2","1","1","4","7","1","1") = "6"
    & skf21("5","2","1","1","4","7","2","1") = "6"
    & skf21("5","2","1","1","4","7","3","1") = "6"
    & skf21("5","2","1","1","4","7","4","1") = "6"
    & skf21("5","2","1","1","4","7","5","1") = "6"
    & skf21("5","2","1","1","4","7","6","1") = "6"
    & skf21("5","2","1","1","4","7","7","1") = "6"
    & skf21("5","2","1","1","5","1","1","1") = "4"
    & skf21("5","2","1","1","5","1","2","1") = "4"
    & skf21("5","2","1","1","5","1","3","1") = "4"
    & skf21("5","2","1","1","5","1","4","1") = "4"
    & skf21("5","2","1","1","5","1","5","1") = "4"
    & skf21("5","2","1","1","5","1","6","1") = "5"
    & skf21("5","2","1","1","5","1","7","1") = "6"
    & skf21("5","2","1","1","5","2","1","1") = "4"
    & skf21("5","2","1","1","5","2","2","1") = "4"
    & skf21("5","2","1","1","5","2","3","1") = "4"
    & skf21("5","2","1","1","5","2","4","1") = "4"
    & skf21("5","2","1","1","5","2","5","1") = "4"
    & skf21("5","2","1","1","5","2","6","1") = "5"
    & skf21("5","2","1","1","5","2","7","1") = "6"
    & skf21("5","2","1","1","5","3","1","1") = "4"
    & skf21("5","2","1","1","5","3","2","1") = "4"
    & skf21("5","2","1","1","5","3","3","1") = "4"
    & skf21("5","2","1","1","5","3","4","1") = "4"
    & skf21("5","2","1","1","5","3","5","1") = "4"
    & skf21("5","2","1","1","5","3","6","1") = "5"
    & skf21("5","2","1","1","5","3","7","1") = "6"
    & skf21("5","2","1","1","5","4","1","1") = "4"
    & skf21("5","2","1","1","5","4","2","1") = "4"
    & skf21("5","2","1","1","5","4","3","1") = "4"
    & skf21("5","2","1","1","5","4","4","1") = "4"
    & skf21("5","2","1","1","5","4","5","1") = "4"
    & skf21("5","2","1","1","5","4","6","1") = "5"
    & skf21("5","2","1","1","5","4","7","1") = "6"
    & skf21("5","2","1","1","5","5","1","1") = "4"
    & skf21("5","2","1","1","5","5","2","1") = "4"
    & skf21("5","2","1","1","5","5","3","1") = "4"
    & skf21("5","2","1","1","5","5","4","1") = "4"
    & skf21("5","2","1","1","5","5","5","1") = "4"
    & skf21("5","2","1","1","5","5","6","1") = "5"
    & skf21("5","2","1","1","5","5","7","1") = "6"
    & skf21("5","2","1","1","5","6","1","1") = "5"
    & skf21("5","2","1","1","5","6","2","1") = "5"
    & skf21("5","2","1","1","5","6","3","1") = "5"
    & skf21("5","2","1","1","5","6","4","1") = "5"
    & skf21("5","2","1","1","5","6","5","1") = "5"
    & skf21("5","2","1","1","5","6","6","1") = "5"
    & skf21("5","2","1","1","5","6","7","1") = "6"
    & skf21("5","2","1","1","5","7","1","1") = "6"
    & skf21("5","2","1","1","5","7","2","1") = "6"
    & skf21("5","2","1","1","5","7","3","1") = "6"
    & skf21("5","2","1","1","5","7","4","1") = "6"
    & skf21("5","2","1","1","5","7","5","1") = "6"
    & skf21("5","2","1","1","5","7","6","1") = "6"
    & skf21("5","2","1","1","5","7","7","1") = "6"
    & skf21("5","2","1","1","6","1","1","1") = "5"
    & skf21("5","2","1","1","6","1","2","1") = "5"
    & skf21("5","2","1","1","6","1","3","1") = "5"
    & skf21("5","2","1","1","6","1","4","1") = "5"
    & skf21("5","2","1","1","6","1","5","1") = "5"
    & skf21("5","2","1","1","6","1","6","1") = "5"
    & skf21("5","2","1","1","6","1","7","1") = "6"
    & skf21("5","2","1","1","6","2","1","1") = "5"
    & skf21("5","2","1","1","6","2","2","1") = "5"
    & skf21("5","2","1","1","6","2","3","1") = "5"
    & skf21("5","2","1","1","6","2","4","1") = "5"
    & skf21("5","2","1","1","6","2","5","1") = "5"
    & skf21("5","2","1","1","6","2","6","1") = "5"
    & skf21("5","2","1","1","6","2","7","1") = "6"
    & skf21("5","2","1","1","6","3","1","1") = "5"
    & skf21("5","2","1","1","6","3","2","1") = "5"
    & skf21("5","2","1","1","6","3","3","1") = "5"
    & skf21("5","2","1","1","6","3","4","1") = "5"
    & skf21("5","2","1","1","6","3","5","1") = "5"
    & skf21("5","2","1","1","6","3","6","1") = "5"
    & skf21("5","2","1","1","6","3","7","1") = "6"
    & skf21("5","2","1","1","6","4","1","1") = "5"
    & skf21("5","2","1","1","6","4","2","1") = "5"
    & skf21("5","2","1","1","6","4","3","1") = "5"
    & skf21("5","2","1","1","6","4","4","1") = "5"
    & skf21("5","2","1","1","6","4","5","1") = "5"
    & skf21("5","2","1","1","6","4","6","1") = "5"
    & skf21("5","2","1","1","6","4","7","1") = "6"
    & skf21("5","2","1","1","6","5","1","1") = "5"
    & skf21("5","2","1","1","6","5","2","1") = "5"
    & skf21("5","2","1","1","6","5","3","1") = "5"
    & skf21("5","2","1","1","6","5","4","1") = "5"
    & skf21("5","2","1","1","6","5","5","1") = "5"
    & skf21("5","2","1","1","6","5","6","1") = "5"
    & skf21("5","2","1","1","6","5","7","1") = "6"
    & skf21("5","2","1","1","6","6","1","1") = "5"
    & skf21("5","2","1","1","6","6","2","1") = "5"
    & skf21("5","2","1","1","6","6","3","1") = "5"
    & skf21("5","2","1","1","6","6","4","1") = "5"
    & skf21("5","2","1","1","6","6","5","1") = "5"
    & skf21("5","2","1","1","6","6","6","1") = "5"
    & skf21("5","2","1","1","6","6","7","1") = "6"
    & skf21("5","2","1","1","6","7","1","1") = "6"
    & skf21("5","2","1","1","6","7","2","1") = "6"
    & skf21("5","2","1","1","6","7","3","1") = "6"
    & skf21("5","2","1","1","6","7","4","1") = "6"
    & skf21("5","2","1","1","6","7","5","1") = "6"
    & skf21("5","2","1","1","6","7","6","1") = "6"
    & skf21("5","2","1","1","6","7","7","1") = "6"
    & skf21("5","2","1","1","7","1","1","1") = "6"
    & skf21("5","2","1","1","7","1","2","1") = "6"
    & skf21("5","2","1","1","7","1","3","1") = "6"
    & skf21("5","2","1","1","7","1","4","1") = "6"
    & skf21("5","2","1","1","7","1","5","1") = "6"
    & skf21("5","2","1","1","7","1","6","1") = "6"
    & skf21("5","2","1","1","7","1","7","1") = "6"
    & skf21("5","2","1","1","7","2","1","1") = "6"
    & skf21("5","2","1","1","7","2","2","1") = "6"
    & skf21("5","2","1","1","7","2","3","1") = "6"
    & skf21("5","2","1","1","7","2","4","1") = "6"
    & skf21("5","2","1","1","7","2","5","1") = "6"
    & skf21("5","2","1","1","7","2","6","1") = "6"
    & skf21("5","2","1","1","7","2","7","1") = "6"
    & skf21("5","2","1","1","7","3","1","1") = "6"
    & skf21("5","2","1","1","7","3","2","1") = "6"
    & skf21("5","2","1","1","7","3","3","1") = "6"
    & skf21("5","2","1","1","7","3","4","1") = "6"
    & skf21("5","2","1","1","7","3","5","1") = "6"
    & skf21("5","2","1","1","7","3","6","1") = "6"
    & skf21("5","2","1","1","7","3","7","1") = "6"
    & skf21("5","2","1","1","7","4","1","1") = "6"
    & skf21("5","2","1","1","7","4","2","1") = "6"
    & skf21("5","2","1","1","7","4","3","1") = "6"
    & skf21("5","2","1","1","7","4","4","1") = "6"
    & skf21("5","2","1","1","7","4","5","1") = "6"
    & skf21("5","2","1","1","7","4","6","1") = "6"
    & skf21("5","2","1","1","7","4","7","1") = "6"
    & skf21("5","2","1","1","7","5","1","1") = "6"
    & skf21("5","2","1","1","7","5","2","1") = "6"
    & skf21("5","2","1","1","7","5","3","1") = "6"
    & skf21("5","2","1","1","7","5","4","1") = "6"
    & skf21("5","2","1","1","7","5","5","1") = "6"
    & skf21("5","2","1","1","7","5","6","1") = "6"
    & skf21("5","2","1","1","7","5","7","1") = "6"
    & skf21("5","2","1","1","7","6","1","1") = "6"
    & skf21("5","2","1","1","7","6","2","1") = "6"
    & skf21("5","2","1","1","7","6","3","1") = "6"
    & skf21("5","2","1","1","7","6","4","1") = "6"
    & skf21("5","2","1","1","7","6","5","1") = "6"
    & skf21("5","2","1","1","7","6","6","1") = "6"
    & skf21("5","2","1","1","7","6","7","1") = "6"
    & skf21("5","2","1","1","7","7","1","1") = "6"
    & skf21("5","2","1","1","7","7","2","1") = "6"
    & skf21("5","2","1","1","7","7","3","1") = "6"
    & skf21("5","2","1","1","7","7","4","1") = "6"
    & skf21("5","2","1","1","7","7","5","1") = "6"
    & skf21("5","2","1","1","7","7","6","1") = "6"
    & skf21("5","2","1","1","7","7","7","1") = "6"
    & skf21("5","2","1","2","1","1","1","1") = "4"
    & skf21("5","2","1","2","1","1","2","1") = "4"
    & skf21("5","2","1","2","1","1","3","1") = "4"
    & skf21("5","2","1","2","1","1","4","1") = "4"
    & skf21("5","2","1","2","1","1","5","1") = "4"
    & skf21("5","2","1","2","1","1","6","1") = "5"
    & skf21("5","2","1","2","1","1","7","1") = "6"
    & skf21("5","2","1","2","1","2","1","1") = "4"
    & skf21("5","2","1","2","1","2","2","1") = "4"
    & skf21("5","2","1","2","1","2","3","1") = "4"
    & skf21("5","2","1","2","1","2","4","1") = "4"
    & skf21("5","2","1","2","1","2","5","1") = "4"
    & skf21("5","2","1","2","1","2","6","1") = "5"
    & skf21("5","2","1","2","1","2","7","1") = "6"
    & skf21("5","2","1","2","1","3","1","1") = "4"
    & skf21("5","2","1","2","1","3","2","1") = "4"
    & skf21("5","2","1","2","1","3","3","1") = "4"
    & skf21("5","2","1","2","1","3","4","1") = "4"
    & skf21("5","2","1","2","1","3","5","1") = "4"
    & skf21("5","2","1","2","1","3","6","1") = "5"
    & skf21("5","2","1","2","1","3","7","1") = "6"
    & skf21("5","2","1","2","1","4","1","1") = "4"
    & skf21("5","2","1","2","1","4","2","1") = "4"
    & skf21("5","2","1","2","1","4","3","1") = "4"
    & skf21("5","2","1","2","1","4","4","1") = "4"
    & skf21("5","2","1","2","1","4","5","1") = "4"
    & skf21("5","2","1","2","1","4","6","1") = "5"
    & skf21("5","2","1","2","1","4","7","1") = "6"
    & skf21("5","2","1","2","1","5","1","1") = "4"
    & skf21("5","2","1","2","1","5","2","1") = "4"
    & skf21("5","2","1","2","1","5","3","1") = "4"
    & skf21("5","2","1","2","1","5","4","1") = "4"
    & skf21("5","2","1","2","1","5","5","1") = "4"
    & skf21("5","2","1","2","1","5","6","1") = "5"
    & skf21("5","2","1","2","1","5","7","1") = "6"
    & skf21("5","2","1","2","1","6","1","1") = "5"
    & skf21("5","2","1","2","1","6","2","1") = "5"
    & skf21("5","2","1","2","1","6","3","1") = "5"
    & skf21("5","2","1","2","1","6","4","1") = "5"
    & skf21("5","2","1","2","1","6","5","1") = "5"
    & skf21("5","2","1","2","1","6","6","1") = "5"
    & skf21("5","2","1","2","1","6","7","1") = "6"
    & skf21("5","2","1","2","1","7","1","1") = "6"
    & skf21("5","2","1","2","1","7","2","1") = "6"
    & skf21("5","2","1","2","1","7","3","1") = "6"
    & skf21("5","2","1","2","1","7","4","1") = "6"
    & skf21("5","2","1","2","1","7","5","1") = "6"
    & skf21("5","2","1","2","1","7","6","1") = "6"
    & skf21("5","2","1","2","1","7","7","1") = "6"
    & skf21("5","2","1","2","2","1","1","1") = "4"
    & skf21("5","2","1","2","2","1","2","1") = "4"
    & skf21("5","2","1","2","2","1","3","1") = "4"
    & skf21("5","2","1","2","2","1","4","1") = "4"
    & skf21("5","2","1","2","2","1","5","1") = "4"
    & skf21("5","2","1","2","2","1","6","1") = "5"
    & skf21("5","2","1","2","2","1","7","1") = "6"
    & skf21("5","2","1","2","2","2","1","1") = "4"
    & skf21("5","2","1","2","2","2","2","1") = "4"
    & skf21("5","2","1","2","2","2","3","1") = "4"
    & skf21("5","2","1","2","2","2","4","1") = "4"
    & skf21("5","2","1","2","2","2","5","1") = "4"
    & skf21("5","2","1","2","2","2","6","1") = "5"
    & skf21("5","2","1","2","2","2","7","1") = "6"
    & skf21("5","2","1","2","2","3","1","1") = "4"
    & skf21("5","2","1","2","2","3","2","1") = "4"
    & skf21("5","2","1","2","2","3","3","1") = "4"
    & skf21("5","2","1","2","2","3","4","1") = "4"
    & skf21("5","2","1","2","2","3","5","1") = "4"
    & skf21("5","2","1","2","2","3","6","1") = "5"
    & skf21("5","2","1","2","2","3","7","1") = "6"
    & skf21("5","2","1","2","2","4","1","1") = "4"
    & skf21("5","2","1","2","2","4","2","1") = "4"
    & skf21("5","2","1","2","2","4","3","1") = "4"
    & skf21("5","2","1","2","2","4","4","1") = "4"
    & skf21("5","2","1","2","2","4","5","1") = "4"
    & skf21("5","2","1","2","2","4","6","1") = "5"
    & skf21("5","2","1","2","2","4","7","1") = "6"
    & skf21("5","2","1","2","2","5","1","1") = "4"
    & skf21("5","2","1","2","2","5","2","1") = "4"
    & skf21("5","2","1","2","2","5","3","1") = "4"
    & skf21("5","2","1","2","2","5","4","1") = "4"
    & skf21("5","2","1","2","2","5","5","1") = "4"
    & skf21("5","2","1","2","2","5","6","1") = "5"
    & skf21("5","2","1","2","2","5","7","1") = "6"
    & skf21("5","2","1","2","2","6","1","1") = "5"
    & skf21("5","2","1","2","2","6","2","1") = "5"
    & skf21("5","2","1","2","2","6","3","1") = "5"
    & skf21("5","2","1","2","2","6","4","1") = "5"
    & skf21("5","2","1","2","2","6","5","1") = "5"
    & skf21("5","2","1","2","2","6","6","1") = "5"
    & skf21("5","2","1","2","2","6","7","1") = "6"
    & skf21("5","2","1","2","2","7","1","1") = "6"
    & skf21("5","2","1","2","2","7","2","1") = "6"
    & skf21("5","2","1","2","2","7","3","1") = "6"
    & skf21("5","2","1","2","2","7","4","1") = "6"
    & skf21("5","2","1","2","2","7","5","1") = "6"
    & skf21("5","2","1","2","2","7","6","1") = "6"
    & skf21("5","2","1","2","2","7","7","1") = "6"
    & skf21("5","2","1","2","3","1","1","1") = "4"
    & skf21("5","2","1","2","3","1","2","1") = "4"
    & skf21("5","2","1","2","3","1","3","1") = "4"
    & skf21("5","2","1","2","3","1","4","1") = "4"
    & skf21("5","2","1","2","3","1","5","1") = "4"
    & skf21("5","2","1","2","3","1","6","1") = "5"
    & skf21("5","2","1","2","3","1","7","1") = "6"
    & skf21("5","2","1","2","3","2","1","1") = "4"
    & skf21("5","2","1","2","3","2","2","1") = "4"
    & skf21("5","2","1","2","3","2","3","1") = "4"
    & skf21("5","2","1","2","3","2","4","1") = "4"
    & skf21("5","2","1","2","3","2","5","1") = "4"
    & skf21("5","2","1","2","3","2","6","1") = "5"
    & skf21("5","2","1","2","3","2","7","1") = "6"
    & skf21("5","2","1","2","3","3","1","1") = "4"
    & skf21("5","2","1","2","3","3","2","1") = "4"
    & skf21("5","2","1","2","3","3","3","1") = "4"
    & skf21("5","2","1","2","3","3","4","1") = "4"
    & skf21("5","2","1","2","3","3","5","1") = "4"
    & skf21("5","2","1","2","3","3","6","1") = "5"
    & skf21("5","2","1","2","3","3","7","1") = "6"
    & skf21("5","2","1","2","3","4","1","1") = "4"
    & skf21("5","2","1","2","3","4","2","1") = "4"
    & skf21("5","2","1","2","3","4","3","1") = "4"
    & skf21("5","2","1","2","3","4","4","1") = "4"
    & skf21("5","2","1","2","3","4","5","1") = "4"
    & skf21("5","2","1","2","3","4","6","1") = "5"
    & skf21("5","2","1","2","3","4","7","1") = "6"
    & skf21("5","2","1","2","3","5","1","1") = "4"
    & skf21("5","2","1","2","3","5","2","1") = "4"
    & skf21("5","2","1","2","3","5","3","1") = "4"
    & skf21("5","2","1","2","3","5","4","1") = "4"
    & skf21("5","2","1","2","3","5","5","1") = "4"
    & skf21("5","2","1","2","3","5","6","1") = "5"
    & skf21("5","2","1","2","3","5","7","1") = "6"
    & skf21("5","2","1","2","3","6","1","1") = "5"
    & skf21("5","2","1","2","3","6","2","1") = "5"
    & skf21("5","2","1","2","3","6","3","1") = "5"
    & skf21("5","2","1","2","3","6","4","1") = "5"
    & skf21("5","2","1","2","3","6","5","1") = "5"
    & skf21("5","2","1","2","3","6","6","1") = "5"
    & skf21("5","2","1","2","3","6","7","1") = "6"
    & skf21("5","2","1","2","3","7","1","1") = "6"
    & skf21("5","2","1","2","3","7","2","1") = "6"
    & skf21("5","2","1","2","3","7","3","1") = "6"
    & skf21("5","2","1","2","3","7","4","1") = "6"
    & skf21("5","2","1","2","3","7","5","1") = "6"
    & skf21("5","2","1","2","3","7","6","1") = "6"
    & skf21("5","2","1","2","3","7","7","1") = "6"
    & skf21("5","2","1","2","4","1","1","1") = "4"
    & skf21("5","2","1","2","4","1","2","1") = "4"
    & skf21("5","2","1","2","4","1","3","1") = "4"
    & skf21("5","2","1","2","4","1","4","1") = "4"
    & skf21("5","2","1","2","4","1","5","1") = "4"
    & skf21("5","2","1","2","4","1","6","1") = "5"
    & skf21("5","2","1","2","4","1","7","1") = "6"
    & skf21("5","2","1","2","4","2","1","1") = "4"
    & skf21("5","2","1","2","4","2","2","1") = "4"
    & skf21("5","2","1","2","4","2","3","1") = "4"
    & skf21("5","2","1","2","4","2","4","1") = "4"
    & skf21("5","2","1","2","4","2","5","1") = "4"
    & skf21("5","2","1","2","4","2","6","1") = "5"
    & skf21("5","2","1","2","4","2","7","1") = "6"
    & skf21("5","2","1","2","4","3","1","1") = "4"
    & skf21("5","2","1","2","4","3","2","1") = "4"
    & skf21("5","2","1","2","4","3","3","1") = "4"
    & skf21("5","2","1","2","4","3","4","1") = "4"
    & skf21("5","2","1","2","4","3","5","1") = "4"
    & skf21("5","2","1","2","4","3","6","1") = "5"
    & skf21("5","2","1","2","4","3","7","1") = "6"
    & skf21("5","2","1","2","4","4","1","1") = "4"
    & skf21("5","2","1","2","4","4","2","1") = "4"
    & skf21("5","2","1","2","4","4","3","1") = "4"
    & skf21("5","2","1","2","4","4","4","1") = "4"
    & skf21("5","2","1","2","4","4","5","1") = "4"
    & skf21("5","2","1","2","4","4","6","1") = "5"
    & skf21("5","2","1","2","4","4","7","1") = "6"
    & skf21("5","2","1","2","4","5","1","1") = "4"
    & skf21("5","2","1","2","4","5","2","1") = "4"
    & skf21("5","2","1","2","4","5","3","1") = "4"
    & skf21("5","2","1","2","4","5","4","1") = "4"
    & skf21("5","2","1","2","4","5","5","1") = "4"
    & skf21("5","2","1","2","4","5","6","1") = "5"
    & skf21("5","2","1","2","4","5","7","1") = "6"
    & skf21("5","2","1","2","4","6","1","1") = "5"
    & skf21("5","2","1","2","4","6","2","1") = "5"
    & skf21("5","2","1","2","4","6","3","1") = "5"
    & skf21("5","2","1","2","4","6","4","1") = "5"
    & skf21("5","2","1","2","4","6","5","1") = "5"
    & skf21("5","2","1","2","4","6","6","1") = "5"
    & skf21("5","2","1","2","4","6","7","1") = "6"
    & skf21("5","2","1","2","4","7","1","1") = "6"
    & skf21("5","2","1","2","4","7","2","1") = "6"
    & skf21("5","2","1","2","4","7","3","1") = "6"
    & skf21("5","2","1","2","4","7","4","1") = "6"
    & skf21("5","2","1","2","4","7","5","1") = "6"
    & skf21("5","2","1","2","4","7","6","1") = "6"
    & skf21("5","2","1","2","4","7","7","1") = "6"
    & skf21("5","2","1","2","5","1","1","1") = "4"
    & skf21("5","2","1","2","5","1","2","1") = "4"
    & skf21("5","2","1","2","5","1","3","1") = "4"
    & skf21("5","2","1","2","5","1","4","1") = "4"
    & skf21("5","2","1","2","5","1","5","1") = "4"
    & skf21("5","2","1","2","5","1","6","1") = "5"
    & skf21("5","2","1","2","5","1","7","1") = "6"
    & skf21("5","2","1","2","5","2","1","1") = "4"
    & skf21("5","2","1","2","5","2","2","1") = "4"
    & skf21("5","2","1","2","5","2","3","1") = "4"
    & skf21("5","2","1","2","5","2","4","1") = "4"
    & skf21("5","2","1","2","5","2","5","1") = "4"
    & skf21("5","2","1","2","5","2","6","1") = "5"
    & skf21("5","2","1","2","5","2","7","1") = "6"
    & skf21("5","2","1","2","5","3","1","1") = "4"
    & skf21("5","2","1","2","5","3","2","1") = "4"
    & skf21("5","2","1","2","5","3","3","1") = "4"
    & skf21("5","2","1","2","5","3","4","1") = "4"
    & skf21("5","2","1","2","5","3","5","1") = "4"
    & skf21("5","2","1","2","5","3","6","1") = "5"
    & skf21("5","2","1","2","5","3","7","1") = "6"
    & skf21("5","2","1","2","5","4","1","1") = "4"
    & skf21("5","2","1","2","5","4","2","1") = "4"
    & skf21("5","2","1","2","5","4","3","1") = "4"
    & skf21("5","2","1","2","5","4","4","1") = "4"
    & skf21("5","2","1","2","5","4","5","1") = "4"
    & skf21("5","2","1","2","5","4","6","1") = "5"
    & skf21("5","2","1","2","5","4","7","1") = "6"
    & skf21("5","2","1","2","5","5","1","1") = "4"
    & skf21("5","2","1","2","5","5","2","1") = "4"
    & skf21("5","2","1","2","5","5","3","1") = "4"
    & skf21("5","2","1","2","5","5","4","1") = "4"
    & skf21("5","2","1","2","5","5","5","1") = "4"
    & skf21("5","2","1","2","5","5","6","1") = "5"
    & skf21("5","2","1","2","5","5","7","1") = "6"
    & skf21("5","2","1","2","5","6","1","1") = "5"
    & skf21("5","2","1","2","5","6","2","1") = "5"
    & skf21("5","2","1","2","5","6","3","1") = "5"
    & skf21("5","2","1","2","5","6","4","1") = "5"
    & skf21("5","2","1","2","5","6","5","1") = "5"
    & skf21("5","2","1","2","5","6","6","1") = "5"
    & skf21("5","2","1","2","5","6","7","1") = "6"
    & skf21("5","2","1","2","5","7","1","1") = "6"
    & skf21("5","2","1","2","5","7","2","1") = "6"
    & skf21("5","2","1","2","5","7","3","1") = "6"
    & skf21("5","2","1","2","5","7","4","1") = "6"
    & skf21("5","2","1","2","5","7","5","1") = "6"
    & skf21("5","2","1","2","5","7","6","1") = "6"
    & skf21("5","2","1","2","5","7","7","1") = "6"
    & skf21("5","2","1","2","6","1","1","1") = "5"
    & skf21("5","2","1","2","6","1","2","1") = "5"
    & skf21("5","2","1","2","6","1","3","1") = "5"
    & skf21("5","2","1","2","6","1","4","1") = "5"
    & skf21("5","2","1","2","6","1","5","1") = "5"
    & skf21("5","2","1","2","6","1","6","1") = "5"
    & skf21("5","2","1","2","6","1","7","1") = "6"
    & skf21("5","2","1","2","6","2","1","1") = "5"
    & skf21("5","2","1","2","6","2","2","1") = "5"
    & skf21("5","2","1","2","6","2","3","1") = "5"
    & skf21("5","2","1","2","6","2","4","1") = "5"
    & skf21("5","2","1","2","6","2","5","1") = "5"
    & skf21("5","2","1","2","6","2","6","1") = "5"
    & skf21("5","2","1","2","6","2","7","1") = "6"
    & skf21("5","2","1","2","6","3","1","1") = "5"
    & skf21("5","2","1","2","6","3","2","1") = "5"
    & skf21("5","2","1","2","6","3","3","1") = "5"
    & skf21("5","2","1","2","6","3","4","1") = "5"
    & skf21("5","2","1","2","6","3","5","1") = "5"
    & skf21("5","2","1","2","6","3","6","1") = "5"
    & skf21("5","2","1","2","6","3","7","1") = "6"
    & skf21("5","2","1","2","6","4","1","1") = "5"
    & skf21("5","2","1","2","6","4","2","1") = "5"
    & skf21("5","2","1","2","6","4","3","1") = "5"
    & skf21("5","2","1","2","6","4","4","1") = "5"
    & skf21("5","2","1","2","6","4","5","1") = "5"
    & skf21("5","2","1","2","6","4","6","1") = "5"
    & skf21("5","2","1","2","6","4","7","1") = "6"
    & skf21("5","2","1","2","6","5","1","1") = "5"
    & skf21("5","2","1","2","6","5","2","1") = "5"
    & skf21("5","2","1","2","6","5","3","1") = "5"
    & skf21("5","2","1","2","6","5","4","1") = "5"
    & skf21("5","2","1","2","6","5","5","1") = "5"
    & skf21("5","2","1","2","6","5","6","1") = "5"
    & skf21("5","2","1","2","6","5","7","1") = "6"
    & skf21("5","2","1","2","6","6","1","1") = "5"
    & skf21("5","2","1","2","6","6","2","1") = "5"
    & skf21("5","2","1","2","6","6","3","1") = "5"
    & skf21("5","2","1","2","6","6","4","1") = "5"
    & skf21("5","2","1","2","6","6","5","1") = "5"
    & skf21("5","2","1","2","6","6","6","1") = "5"
    & skf21("5","2","1","2","6","6","7","1") = "6"
    & skf21("5","2","1","2","6","7","1","1") = "6"
    & skf21("5","2","1","2","6","7","2","1") = "6"
    & skf21("5","2","1","2","6","7","3","1") = "6"
    & skf21("5","2","1","2","6","7","4","1") = "6"
    & skf21("5","2","1","2","6","7","5","1") = "6"
    & skf21("5","2","1","2","6","7","6","1") = "6"
    & skf21("5","2","1","2","6","7","7","1") = "6"
    & skf21("5","2","1","2","7","1","1","1") = "6"
    & skf21("5","2","1","2","7","1","2","1") = "6"
    & skf21("5","2","1","2","7","1","3","1") = "6"
    & skf21("5","2","1","2","7","1","4","1") = "6"
    & skf21("5","2","1","2","7","1","5","1") = "6"
    & skf21("5","2","1","2","7","1","6","1") = "6"
    & skf21("5","2","1","2","7","1","7","1") = "6"
    & skf21("5","2","1","2","7","2","1","1") = "6"
    & skf21("5","2","1","2","7","2","2","1") = "6"
    & skf21("5","2","1","2","7","2","3","1") = "6"
    & skf21("5","2","1","2","7","2","4","1") = "6"
    & skf21("5","2","1","2","7","2","5","1") = "6"
    & skf21("5","2","1","2","7","2","6","1") = "6"
    & skf21("5","2","1","2","7","2","7","1") = "6"
    & skf21("5","2","1","2","7","3","1","1") = "6"
    & skf21("5","2","1","2","7","3","2","1") = "6"
    & skf21("5","2","1","2","7","3","3","1") = "6"
    & skf21("5","2","1","2","7","3","4","1") = "6"
    & skf21("5","2","1","2","7","3","5","1") = "6"
    & skf21("5","2","1","2","7","3","6","1") = "6"
    & skf21("5","2","1","2","7","3","7","1") = "6"
    & skf21("5","2","1","2","7","4","1","1") = "6"
    & skf21("5","2","1","2","7","4","2","1") = "6"
    & skf21("5","2","1","2","7","4","3","1") = "6"
    & skf21("5","2","1","2","7","4","4","1") = "6"
    & skf21("5","2","1","2","7","4","5","1") = "6"
    & skf21("5","2","1","2","7","4","6","1") = "6"
    & skf21("5","2","1","2","7","4","7","1") = "6"
    & skf21("5","2","1","2","7","5","1","1") = "6"
    & skf21("5","2","1","2","7","5","2","1") = "6"
    & skf21("5","2","1","2","7","5","3","1") = "6"
    & skf21("5","2","1","2","7","5","4","1") = "6"
    & skf21("5","2","1","2","7","5","5","1") = "6"
    & skf21("5","2","1","2","7","5","6","1") = "6"
    & skf21("5","2","1","2","7","5","7","1") = "6"
    & skf21("5","2","1","2","7","6","1","1") = "6"
    & skf21("5","2","1","2","7","6","2","1") = "6"
    & skf21("5","2","1","2","7","6","3","1") = "6"
    & skf21("5","2","1","2","7","6","4","1") = "6"
    & skf21("5","2","1","2","7","6","5","1") = "6"
    & skf21("5","2","1","2","7","6","6","1") = "6"
    & skf21("5","2","1","2","7","6","7","1") = "6"
    & skf21("5","2","1","2","7","7","1","1") = "6"
    & skf21("5","2","1","2","7","7","2","1") = "6"
    & skf21("5","2","1","2","7","7","3","1") = "6"
    & skf21("5","2","1","2","7","7","4","1") = "6"
    & skf21("5","2","1","2","7","7","5","1") = "6"
    & skf21("5","2","1","2","7","7","6","1") = "6"
    & skf21("5","2","1","2","7","7","7","1") = "6"
    & skf21("5","2","1","3","1","1","1","1") = "4"
    & skf21("5","2","1","3","1","1","2","1") = "4"
    & skf21("5","2","1","3","1","1","3","1") = "4"
    & skf21("5","2","1","3","1","1","4","1") = "4"
    & skf21("5","2","1","3","1","1","5","1") = "4"
    & skf21("5","2","1","3","1","1","6","1") = "5"
    & skf21("5","2","1","3","1","1","7","1") = "6"
    & skf21("5","2","1","3","1","2","1","1") = "4"
    & skf21("5","2","1","3","1","2","2","1") = "4"
    & skf21("5","2","1","3","1","2","3","1") = "4"
    & skf21("5","2","1","3","1","2","4","1") = "4"
    & skf21("5","2","1","3","1","2","5","1") = "4"
    & skf21("5","2","1","3","1","2","6","1") = "5"
    & skf21("5","2","1","3","1","2","7","1") = "6"
    & skf21("5","2","1","3","1","3","1","1") = "4"
    & skf21("5","2","1","3","1","3","2","1") = "4"
    & skf21("5","2","1","3","1","3","3","1") = "4"
    & skf21("5","2","1","3","1","3","4","1") = "4"
    & skf21("5","2","1","3","1","3","5","1") = "4"
    & skf21("5","2","1","3","1","3","6","1") = "5"
    & skf21("5","2","1","3","1","3","7","1") = "6"
    & skf21("5","2","1","3","1","4","1","1") = "4"
    & skf21("5","2","1","3","1","4","2","1") = "4"
    & skf21("5","2","1","3","1","4","3","1") = "4"
    & skf21("5","2","1","3","1","4","4","1") = "4"
    & skf21("5","2","1","3","1","4","5","1") = "4"
    & skf21("5","2","1","3","1","4","6","1") = "5"
    & skf21("5","2","1","3","1","4","7","1") = "6"
    & skf21("5","2","1","3","1","5","1","1") = "4"
    & skf21("5","2","1","3","1","5","2","1") = "4"
    & skf21("5","2","1","3","1","5","3","1") = "4"
    & skf21("5","2","1","3","1","5","4","1") = "4"
    & skf21("5","2","1","3","1","5","5","1") = "4"
    & skf21("5","2","1","3","1","5","6","1") = "5"
    & skf21("5","2","1","3","1","5","7","1") = "6"
    & skf21("5","2","1","3","1","6","1","1") = "5"
    & skf21("5","2","1","3","1","6","2","1") = "5"
    & skf21("5","2","1","3","1","6","3","1") = "5"
    & skf21("5","2","1","3","1","6","4","1") = "5"
    & skf21("5","2","1","3","1","6","5","1") = "5"
    & skf21("5","2","1","3","1","6","6","1") = "5"
    & skf21("5","2","1","3","1","6","7","1") = "6"
    & skf21("5","2","1","3","1","7","1","1") = "6"
    & skf21("5","2","1","3","1","7","2","1") = "6"
    & skf21("5","2","1","3","1","7","3","1") = "6"
    & skf21("5","2","1","3","1","7","4","1") = "6"
    & skf21("5","2","1","3","1","7","5","1") = "6"
    & skf21("5","2","1","3","1","7","6","1") = "6"
    & skf21("5","2","1","3","1","7","7","1") = "6"
    & skf21("5","2","1","3","2","1","1","1") = "4"
    & skf21("5","2","1","3","2","1","2","1") = "4"
    & skf21("5","2","1","3","2","1","3","1") = "4"
    & skf21("5","2","1","3","2","1","4","1") = "4"
    & skf21("5","2","1","3","2","1","5","1") = "4"
    & skf21("5","2","1","3","2","1","6","1") = "5"
    & skf21("5","2","1","3","2","1","7","1") = "6"
    & skf21("5","2","1","3","2","2","1","1") = "4"
    & skf21("5","2","1","3","2","2","2","1") = "4"
    & skf21("5","2","1","3","2","2","3","1") = "4"
    & skf21("5","2","1","3","2","2","4","1") = "4"
    & skf21("5","2","1","3","2","2","5","1") = "4"
    & skf21("5","2","1","3","2","2","6","1") = "5"
    & skf21("5","2","1","3","2","2","7","1") = "6"
    & skf21("5","2","1","3","2","3","1","1") = "4"
    & skf21("5","2","1","3","2","3","2","1") = "4"
    & skf21("5","2","1","3","2","3","3","1") = "4"
    & skf21("5","2","1","3","2","3","4","1") = "4"
    & skf21("5","2","1","3","2","3","5","1") = "4"
    & skf21("5","2","1","3","2","3","6","1") = "5"
    & skf21("5","2","1","3","2","3","7","1") = "6"
    & skf21("5","2","1","3","2","4","1","1") = "4"
    & skf21("5","2","1","3","2","4","2","1") = "4"
    & skf21("5","2","1","3","2","4","3","1") = "4"
    & skf21("5","2","1","3","2","4","4","1") = "4"
    & skf21("5","2","1","3","2","4","5","1") = "4"
    & skf21("5","2","1","3","2","4","6","1") = "5"
    & skf21("5","2","1","3","2","4","7","1") = "6"
    & skf21("5","2","1","3","2","5","1","1") = "4"
    & skf21("5","2","1","3","2","5","2","1") = "4"
    & skf21("5","2","1","3","2","5","3","1") = "4"
    & skf21("5","2","1","3","2","5","4","1") = "4"
    & skf21("5","2","1","3","2","5","5","1") = "4"
    & skf21("5","2","1","3","2","5","6","1") = "5"
    & skf21("5","2","1","3","2","5","7","1") = "6"
    & skf21("5","2","1","3","2","6","1","1") = "5"
    & skf21("5","2","1","3","2","6","2","1") = "5"
    & skf21("5","2","1","3","2","6","3","1") = "5"
    & skf21("5","2","1","3","2","6","4","1") = "5"
    & skf21("5","2","1","3","2","6","5","1") = "5"
    & skf21("5","2","1","3","2","6","6","1") = "5"
    & skf21("5","2","1","3","2","6","7","1") = "6"
    & skf21("5","2","1","3","2","7","1","1") = "6"
    & skf21("5","2","1","3","2","7","2","1") = "6"
    & skf21("5","2","1","3","2","7","3","1") = "6"
    & skf21("5","2","1","3","2","7","4","1") = "6"
    & skf21("5","2","1","3","2","7","5","1") = "6"
    & skf21("5","2","1","3","2","7","6","1") = "6"
    & skf21("5","2","1","3","2","7","7","1") = "6"
    & skf21("5","2","1","3","3","1","1","1") = "4"
    & skf21("5","2","1","3","3","1","2","1") = "4"
    & skf21("5","2","1","3","3","1","3","1") = "4"
    & skf21("5","2","1","3","3","1","4","1") = "4"
    & skf21("5","2","1","3","3","1","5","1") = "4"
    & skf21("5","2","1","3","3","1","6","1") = "5"
    & skf21("5","2","1","3","3","1","7","1") = "6"
    & skf21("5","2","1","3","3","2","1","1") = "4"
    & skf21("5","2","1","3","3","2","2","1") = "4"
    & skf21("5","2","1","3","3","2","3","1") = "4"
    & skf21("5","2","1","3","3","2","4","1") = "4"
    & skf21("5","2","1","3","3","2","5","1") = "4"
    & skf21("5","2","1","3","3","2","6","1") = "5"
    & skf21("5","2","1","3","3","2","7","1") = "6"
    & skf21("5","2","1","3","3","3","1","1") = "4"
    & skf21("5","2","1","3","3","3","2","1") = "4"
    & skf21("5","2","1","3","3","3","3","1") = "4"
    & skf21("5","2","1","3","3","3","4","1") = "4"
    & skf21("5","2","1","3","3","3","5","1") = "4"
    & skf21("5","2","1","3","3","3","6","1") = "5"
    & skf21("5","2","1","3","3","3","7","1") = "6"
    & skf21("5","2","1","3","3","4","1","1") = "4"
    & skf21("5","2","1","3","3","4","2","1") = "4"
    & skf21("5","2","1","3","3","4","3","1") = "4"
    & skf21("5","2","1","3","3","4","4","1") = "4"
    & skf21("5","2","1","3","3","4","5","1") = "4"
    & skf21("5","2","1","3","3","4","6","1") = "5"
    & skf21("5","2","1","3","3","4","7","1") = "6"
    & skf21("5","2","1","3","3","5","1","1") = "4"
    & skf21("5","2","1","3","3","5","2","1") = "4"
    & skf21("5","2","1","3","3","5","3","1") = "4"
    & skf21("5","2","1","3","3","5","4","1") = "4"
    & skf21("5","2","1","3","3","5","5","1") = "4"
    & skf21("5","2","1","3","3","5","6","1") = "5"
    & skf21("5","2","1","3","3","5","7","1") = "6"
    & skf21("5","2","1","3","3","6","1","1") = "5"
    & skf21("5","2","1","3","3","6","2","1") = "5"
    & skf21("5","2","1","3","3","6","3","1") = "5"
    & skf21("5","2","1","3","3","6","4","1") = "5"
    & skf21("5","2","1","3","3","6","5","1") = "5"
    & skf21("5","2","1","3","3","6","6","1") = "5"
    & skf21("5","2","1","3","3","6","7","1") = "6"
    & skf21("5","2","1","3","3","7","1","1") = "6"
    & skf21("5","2","1","3","3","7","2","1") = "6"
    & skf21("5","2","1","3","3","7","3","1") = "6"
    & skf21("5","2","1","3","3","7","4","1") = "6"
    & skf21("5","2","1","3","3","7","5","1") = "6"
    & skf21("5","2","1","3","3","7","6","1") = "6"
    & skf21("5","2","1","3","3","7","7","1") = "6"
    & skf21("5","2","1","3","4","1","1","1") = "4"
    & skf21("5","2","1","3","4","1","2","1") = "4"
    & skf21("5","2","1","3","4","1","3","1") = "4"
    & skf21("5","2","1","3","4","1","4","1") = "4"
    & skf21("5","2","1","3","4","1","5","1") = "4"
    & skf21("5","2","1","3","4","1","6","1") = "5"
    & skf21("5","2","1","3","4","1","7","1") = "6"
    & skf21("5","2","1","3","4","2","1","1") = "4"
    & skf21("5","2","1","3","4","2","2","1") = "4"
    & skf21("5","2","1","3","4","2","3","1") = "4"
    & skf21("5","2","1","3","4","2","4","1") = "4"
    & skf21("5","2","1","3","4","2","5","1") = "4"
    & skf21("5","2","1","3","4","2","6","1") = "5"
    & skf21("5","2","1","3","4","2","7","1") = "6"
    & skf21("5","2","1","3","4","3","1","1") = "4"
    & skf21("5","2","1","3","4","3","2","1") = "4"
    & skf21("5","2","1","3","4","3","3","1") = "4"
    & skf21("5","2","1","3","4","3","4","1") = "4"
    & skf21("5","2","1","3","4","3","5","1") = "4"
    & skf21("5","2","1","3","4","3","6","1") = "5"
    & skf21("5","2","1","3","4","3","7","1") = "6"
    & skf21("5","2","1","3","4","4","1","1") = "4"
    & skf21("5","2","1","3","4","4","2","1") = "4"
    & skf21("5","2","1","3","4","4","3","1") = "4"
    & skf21("5","2","1","3","4","4","4","1") = "4"
    & skf21("5","2","1","3","4","4","5","1") = "4"
    & skf21("5","2","1","3","4","4","6","1") = "5"
    & skf21("5","2","1","3","4","4","7","1") = "6"
    & skf21("5","2","1","3","4","5","1","1") = "4"
    & skf21("5","2","1","3","4","5","2","1") = "4"
    & skf21("5","2","1","3","4","5","3","1") = "4"
    & skf21("5","2","1","3","4","5","4","1") = "4"
    & skf21("5","2","1","3","4","5","5","1") = "4"
    & skf21("5","2","1","3","4","5","6","1") = "5"
    & skf21("5","2","1","3","4","5","7","1") = "6"
    & skf21("5","2","1","3","4","6","1","1") = "5"
    & skf21("5","2","1","3","4","6","2","1") = "5"
    & skf21("5","2","1","3","4","6","3","1") = "5"
    & skf21("5","2","1","3","4","6","4","1") = "5"
    & skf21("5","2","1","3","4","6","5","1") = "5"
    & skf21("5","2","1","3","4","6","6","1") = "5"
    & skf21("5","2","1","3","4","6","7","1") = "6"
    & skf21("5","2","1","3","4","7","1","1") = "6"
    & skf21("5","2","1","3","4","7","2","1") = "6"
    & skf21("5","2","1","3","4","7","3","1") = "6"
    & skf21("5","2","1","3","4","7","4","1") = "6"
    & skf21("5","2","1","3","4","7","5","1") = "6"
    & skf21("5","2","1","3","4","7","6","1") = "6"
    & skf21("5","2","1","3","4","7","7","1") = "6"
    & skf21("5","2","1","3","5","1","1","1") = "4"
    & skf21("5","2","1","3","5","1","2","1") = "4"
    & skf21("5","2","1","3","5","1","3","1") = "4"
    & skf21("5","2","1","3","5","1","4","1") = "4"
    & skf21("5","2","1","3","5","1","5","1") = "4"
    & skf21("5","2","1","3","5","1","6","1") = "5"
    & skf21("5","2","1","3","5","1","7","1") = "6"
    & skf21("5","2","1","3","5","2","1","1") = "4"
    & skf21("5","2","1","3","5","2","2","1") = "4"
    & skf21("5","2","1","3","5","2","3","1") = "4"
    & skf21("5","2","1","3","5","2","4","1") = "4"
    & skf21("5","2","1","3","5","2","5","1") = "4"
    & skf21("5","2","1","3","5","2","6","1") = "5"
    & skf21("5","2","1","3","5","2","7","1") = "6"
    & skf21("5","2","1","3","5","3","1","1") = "4"
    & skf21("5","2","1","3","5","3","2","1") = "4"
    & skf21("5","2","1","3","5","3","3","1") = "4"
    & skf21("5","2","1","3","5","3","4","1") = "4"
    & skf21("5","2","1","3","5","3","5","1") = "4"
    & skf21("5","2","1","3","5","3","6","1") = "5"
    & skf21("5","2","1","3","5","3","7","1") = "6"
    & skf21("5","2","1","3","5","4","1","1") = "4"
    & skf21("5","2","1","3","5","4","2","1") = "4"
    & skf21("5","2","1","3","5","4","3","1") = "4"
    & skf21("5","2","1","3","5","4","4","1") = "4"
    & skf21("5","2","1","3","5","4","5","1") = "4"
    & skf21("5","2","1","3","5","4","6","1") = "5"
    & skf21("5","2","1","3","5","4","7","1") = "6"
    & skf21("5","2","1","3","5","5","1","1") = "4"
    & skf21("5","2","1","3","5","5","2","1") = "4"
    & skf21("5","2","1","3","5","5","3","1") = "4"
    & skf21("5","2","1","3","5","5","4","1") = "4"
    & skf21("5","2","1","3","5","5","5","1") = "4"
    & skf21("5","2","1","3","5","5","6","1") = "5"
    & skf21("5","2","1","3","5","5","7","1") = "6"
    & skf21("5","2","1","3","5","6","1","1") = "5"
    & skf21("5","2","1","3","5","6","2","1") = "5"
    & skf21("5","2","1","3","5","6","3","1") = "5"
    & skf21("5","2","1","3","5","6","4","1") = "5"
    & skf21("5","2","1","3","5","6","5","1") = "5"
    & skf21("5","2","1","3","5","6","6","1") = "5"
    & skf21("5","2","1","3","5","6","7","1") = "6"
    & skf21("5","2","1","3","5","7","1","1") = "6"
    & skf21("5","2","1","3","5","7","2","1") = "6"
    & skf21("5","2","1","3","5","7","3","1") = "6"
    & skf21("5","2","1","3","5","7","4","1") = "6"
    & skf21("5","2","1","3","5","7","5","1") = "6"
    & skf21("5","2","1","3","5","7","6","1") = "6"
    & skf21("5","2","1","3","5","7","7","1") = "6"
    & skf21("5","2","1","3","6","1","1","1") = "5"
    & skf21("5","2","1","3","6","1","2","1") = "5"
    & skf21("5","2","1","3","6","1","3","1") = "5"
    & skf21("5","2","1","3","6","1","4","1") = "5"
    & skf21("5","2","1","3","6","1","5","1") = "5"
    & skf21("5","2","1","3","6","1","6","1") = "5"
    & skf21("5","2","1","3","6","1","7","1") = "6"
    & skf21("5","2","1","3","6","2","1","1") = "5"
    & skf21("5","2","1","3","6","2","2","1") = "5"
    & skf21("5","2","1","3","6","2","3","1") = "5"
    & skf21("5","2","1","3","6","2","4","1") = "5"
    & skf21("5","2","1","3","6","2","5","1") = "5"
    & skf21("5","2","1","3","6","2","6","1") = "5"
    & skf21("5","2","1","3","6","2","7","1") = "6"
    & skf21("5","2","1","3","6","3","1","1") = "5"
    & skf21("5","2","1","3","6","3","2","1") = "5"
    & skf21("5","2","1","3","6","3","3","1") = "5"
    & skf21("5","2","1","3","6","3","4","1") = "5"
    & skf21("5","2","1","3","6","3","5","1") = "5"
    & skf21("5","2","1","3","6","3","6","1") = "5"
    & skf21("5","2","1","3","6","3","7","1") = "6"
    & skf21("5","2","1","3","6","4","1","1") = "5"
    & skf21("5","2","1","3","6","4","2","1") = "5"
    & skf21("5","2","1","3","6","4","3","1") = "5"
    & skf21("5","2","1","3","6","4","4","1") = "5"
    & skf21("5","2","1","3","6","4","5","1") = "5"
    & skf21("5","2","1","3","6","4","6","1") = "5"
    & skf21("5","2","1","3","6","4","7","1") = "6"
    & skf21("5","2","1","3","6","5","1","1") = "5"
    & skf21("5","2","1","3","6","5","2","1") = "5"
    & skf21("5","2","1","3","6","5","3","1") = "5"
    & skf21("5","2","1","3","6","5","4","1") = "5"
    & skf21("5","2","1","3","6","5","5","1") = "5"
    & skf21("5","2","1","3","6","5","6","1") = "5"
    & skf21("5","2","1","3","6","5","7","1") = "6"
    & skf21("5","2","1","3","6","6","1","1") = "5"
    & skf21("5","2","1","3","6","6","2","1") = "5"
    & skf21("5","2","1","3","6","6","3","1") = "5"
    & skf21("5","2","1","3","6","6","4","1") = "5"
    & skf21("5","2","1","3","6","6","5","1") = "5"
    & skf21("5","2","1","3","6","6","6","1") = "5"
    & skf21("5","2","1","3","6","6","7","1") = "6"
    & skf21("5","2","1","3","6","7","1","1") = "6"
    & skf21("5","2","1","3","6","7","2","1") = "6"
    & skf21("5","2","1","3","6","7","3","1") = "6"
    & skf21("5","2","1","3","6","7","4","1") = "6"
    & skf21("5","2","1","3","6","7","5","1") = "6"
    & skf21("5","2","1","3","6","7","6","1") = "6"
    & skf21("5","2","1","3","6","7","7","1") = "6"
    & skf21("5","2","1","3","7","1","1","1") = "6"
    & skf21("5","2","1","3","7","1","2","1") = "6"
    & skf21("5","2","1","3","7","1","3","1") = "6"
    & skf21("5","2","1","3","7","1","4","1") = "6"
    & skf21("5","2","1","3","7","1","5","1") = "6"
    & skf21("5","2","1","3","7","1","6","1") = "6"
    & skf21("5","2","1","3","7","1","7","1") = "6"
    & skf21("5","2","1","3","7","2","1","1") = "6"
    & skf21("5","2","1","3","7","2","2","1") = "6"
    & skf21("5","2","1","3","7","2","3","1") = "6"
    & skf21("5","2","1","3","7","2","4","1") = "6"
    & skf21("5","2","1","3","7","2","5","1") = "6"
    & skf21("5","2","1","3","7","2","6","1") = "6"
    & skf21("5","2","1","3","7","2","7","1") = "6"
    & skf21("5","2","1","3","7","3","1","1") = "6"
    & skf21("5","2","1","3","7","3","2","1") = "6"
    & skf21("5","2","1","3","7","3","3","1") = "6"
    & skf21("5","2","1","3","7","3","4","1") = "6"
    & skf21("5","2","1","3","7","3","5","1") = "6"
    & skf21("5","2","1","3","7","3","6","1") = "6"
    & skf21("5","2","1","3","7","3","7","1") = "6"
    & skf21("5","2","1","3","7","4","1","1") = "6"
    & skf21("5","2","1","3","7","4","2","1") = "6"
    & skf21("5","2","1","3","7","4","3","1") = "6"
    & skf21("5","2","1","3","7","4","4","1") = "6"
    & skf21("5","2","1","3","7","4","5","1") = "6"
    & skf21("5","2","1","3","7","4","6","1") = "6"
    & skf21("5","2","1","3","7","4","7","1") = "6"
    & skf21("5","2","1","3","7","5","1","1") = "6"
    & skf21("5","2","1","3","7","5","2","1") = "6"
    & skf21("5","2","1","3","7","5","3","1") = "6"
    & skf21("5","2","1","3","7","5","4","1") = "6"
    & skf21("5","2","1","3","7","5","5","1") = "6"
    & skf21("5","2","1","3","7","5","6","1") = "6"
    & skf21("5","2","1","3","7","5","7","1") = "6"
    & skf21("5","2","1","3","7","6","1","1") = "6"
    & skf21("5","2","1","3","7","6","2","1") = "6"
    & skf21("5","2","1","3","7","6","3","1") = "6"
    & skf21("5","2","1","3","7","6","4","1") = "6"
    & skf21("5","2","1","3","7","6","5","1") = "6"
    & skf21("5","2","1","3","7","6","6","1") = "6"
    & skf21("5","2","1","3","7","6","7","1") = "6"
    & skf21("5","2","1","3","7","7","1","1") = "6"
    & skf21("5","2","1","3","7","7","2","1") = "6"
    & skf21("5","2","1","3","7","7","3","1") = "6"
    & skf21("5","2","1","3","7","7","4","1") = "6"
    & skf21("5","2","1","3","7","7","5","1") = "6"
    & skf21("5","2","1","3","7","7","6","1") = "6"
    & skf21("5","2","1","3","7","7","7","1") = "6"
    & skf21("5","2","1","4","1","1","1","1") = "4"
    & skf21("5","2","1","4","1","1","2","1") = "4"
    & skf21("5","2","1","4","1","1","3","1") = "4"
    & skf21("5","2","1","4","1","1","4","1") = "4"
    & skf21("5","2","1","4","1","1","5","1") = "4"
    & skf21("5","2","1","4","1","1","6","1") = "5"
    & skf21("5","2","1","4","1","1","7","1") = "6"
    & skf21("5","2","1","4","1","2","1","1") = "4"
    & skf21("5","2","1","4","1","2","2","1") = "4"
    & skf21("5","2","1","4","1","2","3","1") = "4"
    & skf21("5","2","1","4","1","2","4","1") = "4"
    & skf21("5","2","1","4","1","2","5","1") = "4"
    & skf21("5","2","1","4","1","2","6","1") = "5"
    & skf21("5","2","1","4","1","2","7","1") = "6"
    & skf21("5","2","1","4","1","3","1","1") = "4"
    & skf21("5","2","1","4","1","3","2","1") = "4"
    & skf21("5","2","1","4","1","3","3","1") = "4"
    & skf21("5","2","1","4","1","3","4","1") = "4"
    & skf21("5","2","1","4","1","3","5","1") = "4"
    & skf21("5","2","1","4","1","3","6","1") = "5"
    & skf21("5","2","1","4","1","3","7","1") = "6"
    & skf21("5","2","1","4","1","4","1","1") = "4"
    & skf21("5","2","1","4","1","4","2","1") = "4"
    & skf21("5","2","1","4","1","4","3","1") = "4"
    & skf21("5","2","1","4","1","4","4","1") = "4"
    & skf21("5","2","1","4","1","4","5","1") = "4"
    & skf21("5","2","1","4","1","4","6","1") = "5"
    & skf21("5","2","1","4","1","4","7","1") = "6"
    & skf21("5","2","1","4","1","5","1","1") = "4"
    & skf21("5","2","1","4","1","5","2","1") = "4"
    & skf21("5","2","1","4","1","5","3","1") = "4"
    & skf21("5","2","1","4","1","5","4","1") = "4"
    & skf21("5","2","1","4","1","5","5","1") = "4"
    & skf21("5","2","1","4","1","5","6","1") = "5"
    & skf21("5","2","1","4","1","5","7","1") = "6"
    & skf21("5","2","1","4","1","6","1","1") = "5"
    & skf21("5","2","1","4","1","6","2","1") = "5"
    & skf21("5","2","1","4","1","6","3","1") = "5"
    & skf21("5","2","1","4","1","6","4","1") = "5"
    & skf21("5","2","1","4","1","6","5","1") = "5"
    & skf21("5","2","1","4","1","6","6","1") = "5"
    & skf21("5","2","1","4","1","6","7","1") = "6"
    & skf21("5","2","1","4","1","7","1","1") = "6"
    & skf21("5","2","1","4","1","7","2","1") = "6"
    & skf21("5","2","1","4","1","7","3","1") = "6"
    & skf21("5","2","1","4","1","7","4","1") = "6"
    & skf21("5","2","1","4","1","7","5","1") = "6"
    & skf21("5","2","1","4","1","7","6","1") = "6"
    & skf21("5","2","1","4","1","7","7","1") = "6"
    & skf21("5","2","1","4","2","1","1","1") = "4"
    & skf21("5","2","1","4","2","1","2","1") = "4"
    & skf21("5","2","1","4","2","1","3","1") = "4"
    & skf21("5","2","1","4","2","1","4","1") = "4"
    & skf21("5","2","1","4","2","1","5","1") = "4"
    & skf21("5","2","1","4","2","1","6","1") = "5"
    & skf21("5","2","1","4","2","1","7","1") = "6"
    & skf21("5","2","1","4","2","2","1","1") = "4"
    & skf21("5","2","1","4","2","2","2","1") = "4"
    & skf21("5","2","1","4","2","2","3","1") = "4"
    & skf21("5","2","1","4","2","2","4","1") = "4"
    & skf21("5","2","1","4","2","2","5","1") = "4"
    & skf21("5","2","1","4","2","2","6","1") = "5"
    & skf21("5","2","1","4","2","2","7","1") = "6"
    & skf21("5","2","1","4","2","3","1","1") = "4"
    & skf21("5","2","1","4","2","3","2","1") = "4"
    & skf21("5","2","1","4","2","3","3","1") = "4"
    & skf21("5","2","1","4","2","3","4","1") = "4"
    & skf21("5","2","1","4","2","3","5","1") = "4"
    & skf21("5","2","1","4","2","3","6","1") = "5"
    & skf21("5","2","1","4","2","3","7","1") = "6"
    & skf21("5","2","1","4","2","4","1","1") = "4"
    & skf21("5","2","1","4","2","4","2","1") = "4"
    & skf21("5","2","1","4","2","4","3","1") = "4"
    & skf21("5","2","1","4","2","4","4","1") = "4"
    & skf21("5","2","1","4","2","4","5","1") = "4"
    & skf21("5","2","1","4","2","4","6","1") = "5"
    & skf21("5","2","1","4","2","4","7","1") = "6"
    & skf21("5","2","1","4","2","5","1","1") = "4"
    & skf21("5","2","1","4","2","5","2","1") = "4"
    & skf21("5","2","1","4","2","5","3","1") = "4"
    & skf21("5","2","1","4","2","5","4","1") = "4"
    & skf21("5","2","1","4","2","5","5","1") = "4"
    & skf21("5","2","1","4","2","5","6","1") = "5"
    & skf21("5","2","1","4","2","5","7","1") = "6"
    & skf21("5","2","1","4","2","6","1","1") = "5"
    & skf21("5","2","1","4","2","6","2","1") = "5"
    & skf21("5","2","1","4","2","6","3","1") = "5"
    & skf21("5","2","1","4","2","6","4","1") = "5"
    & skf21("5","2","1","4","2","6","5","1") = "5"
    & skf21("5","2","1","4","2","6","6","1") = "5"
    & skf21("5","2","1","4","2","6","7","1") = "6"
    & skf21("5","2","1","4","2","7","1","1") = "6"
    & skf21("5","2","1","4","2","7","2","1") = "6"
    & skf21("5","2","1","4","2","7","3","1") = "6"
    & skf21("5","2","1","4","2","7","4","1") = "6"
    & skf21("5","2","1","4","2","7","5","1") = "6"
    & skf21("5","2","1","4","2","7","6","1") = "6"
    & skf21("5","2","1","4","2","7","7","1") = "6"
    & skf21("5","2","1","4","3","1","1","1") = "4"
    & skf21("5","2","1","4","3","1","2","1") = "4"
    & skf21("5","2","1","4","3","1","3","1") = "4"
    & skf21("5","2","1","4","3","1","4","1") = "4"
    & skf21("5","2","1","4","3","1","5","1") = "4"
    & skf21("5","2","1","4","3","1","6","1") = "5"
    & skf21("5","2","1","4","3","1","7","1") = "6"
    & skf21("5","2","1","4","3","2","1","1") = "4"
    & skf21("5","2","1","4","3","2","2","1") = "4"
    & skf21("5","2","1","4","3","2","3","1") = "4"
    & skf21("5","2","1","4","3","2","4","1") = "4"
    & skf21("5","2","1","4","3","2","5","1") = "4"
    & skf21("5","2","1","4","3","2","6","1") = "5"
    & skf21("5","2","1","4","3","2","7","1") = "6"
    & skf21("5","2","1","4","3","3","1","1") = "4"
    & skf21("5","2","1","4","3","3","2","1") = "4"
    & skf21("5","2","1","4","3","3","3","1") = "4"
    & skf21("5","2","1","4","3","3","4","1") = "4"
    & skf21("5","2","1","4","3","3","5","1") = "4"
    & skf21("5","2","1","4","3","3","6","1") = "5"
    & skf21("5","2","1","4","3","3","7","1") = "6"
    & skf21("5","2","1","4","3","4","1","1") = "4"
    & skf21("5","2","1","4","3","4","2","1") = "4"
    & skf21("5","2","1","4","3","4","3","1") = "4"
    & skf21("5","2","1","4","3","4","4","1") = "4"
    & skf21("5","2","1","4","3","4","5","1") = "4"
    & skf21("5","2","1","4","3","4","6","1") = "5"
    & skf21("5","2","1","4","3","4","7","1") = "6"
    & skf21("5","2","1","4","3","5","1","1") = "4"
    & skf21("5","2","1","4","3","5","2","1") = "4"
    & skf21("5","2","1","4","3","5","3","1") = "4"
    & skf21("5","2","1","4","3","5","4","1") = "4"
    & skf21("5","2","1","4","3","5","5","1") = "4"
    & skf21("5","2","1","4","3","5","6","1") = "5"
    & skf21("5","2","1","4","3","5","7","1") = "6"
    & skf21("5","2","1","4","3","6","1","1") = "5"
    & skf21("5","2","1","4","3","6","2","1") = "5"
    & skf21("5","2","1","4","3","6","3","1") = "5"
    & skf21("5","2","1","4","3","6","4","1") = "5"
    & skf21("5","2","1","4","3","6","5","1") = "5"
    & skf21("5","2","1","4","3","6","6","1") = "5"
    & skf21("5","2","1","4","3","6","7","1") = "6"
    & skf21("5","2","1","4","3","7","1","1") = "6"
    & skf21("5","2","1","4","3","7","2","1") = "6"
    & skf21("5","2","1","4","3","7","3","1") = "6"
    & skf21("5","2","1","4","3","7","4","1") = "6"
    & skf21("5","2","1","4","3","7","5","1") = "6"
    & skf21("5","2","1","4","3","7","6","1") = "6"
    & skf21("5","2","1","4","3","7","7","1") = "6"
    & skf21("5","2","1","4","4","1","1","1") = "4"
    & skf21("5","2","1","4","4","1","2","1") = "4"
    & skf21("5","2","1","4","4","1","3","1") = "4"
    & skf21("5","2","1","4","4","1","4","1") = "4"
    & skf21("5","2","1","4","4","1","5","1") = "4"
    & skf21("5","2","1","4","4","1","6","1") = "5"
    & skf21("5","2","1","4","4","1","7","1") = "6"
    & skf21("5","2","1","4","4","2","1","1") = "4"
    & skf21("5","2","1","4","4","2","2","1") = "4"
    & skf21("5","2","1","4","4","2","3","1") = "4"
    & skf21("5","2","1","4","4","2","4","1") = "4"
    & skf21("5","2","1","4","4","2","5","1") = "4"
    & skf21("5","2","1","4","4","2","6","1") = "5"
    & skf21("5","2","1","4","4","2","7","1") = "6"
    & skf21("5","2","1","4","4","3","1","1") = "4"
    & skf21("5","2","1","4","4","3","2","1") = "4"
    & skf21("5","2","1","4","4","3","3","1") = "4"
    & skf21("5","2","1","4","4","3","4","1") = "4"
    & skf21("5","2","1","4","4","3","5","1") = "4"
    & skf21("5","2","1","4","4","3","6","1") = "5"
    & skf21("5","2","1","4","4","3","7","1") = "6"
    & skf21("5","2","1","4","4","4","1","1") = "4"
    & skf21("5","2","1","4","4","4","2","1") = "4"
    & skf21("5","2","1","4","4","4","3","1") = "4"
    & skf21("5","2","1","4","4","4","4","1") = "4"
    & skf21("5","2","1","4","4","4","5","1") = "4"
    & skf21("5","2","1","4","4","4","6","1") = "5"
    & skf21("5","2","1","4","4","4","7","1") = "6"
    & skf21("5","2","1","4","4","5","1","1") = "4"
    & skf21("5","2","1","4","4","5","2","1") = "4"
    & skf21("5","2","1","4","4","5","3","1") = "4"
    & skf21("5","2","1","4","4","5","4","1") = "4"
    & skf21("5","2","1","4","4","5","5","1") = "4"
    & skf21("5","2","1","4","4","5","6","1") = "5"
    & skf21("5","2","1","4","4","5","7","1") = "6"
    & skf21("5","2","1","4","4","6","1","1") = "5"
    & skf21("5","2","1","4","4","6","2","1") = "5"
    & skf21("5","2","1","4","4","6","3","1") = "5"
    & skf21("5","2","1","4","4","6","4","1") = "5"
    & skf21("5","2","1","4","4","6","5","1") = "5"
    & skf21("5","2","1","4","4","6","6","1") = "5"
    & skf21("5","2","1","4","4","6","7","1") = "6"
    & skf21("5","2","1","4","4","7","1","1") = "6"
    & skf21("5","2","1","4","4","7","2","1") = "6"
    & skf21("5","2","1","4","4","7","3","1") = "6"
    & skf21("5","2","1","4","4","7","4","1") = "6"
    & skf21("5","2","1","4","4","7","5","1") = "6"
    & skf21("5","2","1","4","4","7","6","1") = "6"
    & skf21("5","2","1","4","4","7","7","1") = "6"
    & skf21("5","2","1","4","5","1","1","1") = "4"
    & skf21("5","2","1","4","5","1","2","1") = "4"
    & skf21("5","2","1","4","5","1","3","1") = "4"
    & skf21("5","2","1","4","5","1","4","1") = "4"
    & skf21("5","2","1","4","5","1","5","1") = "4"
    & skf21("5","2","1","4","5","1","6","1") = "5"
    & skf21("5","2","1","4","5","1","7","1") = "6"
    & skf21("5","2","1","4","5","2","1","1") = "4"
    & skf21("5","2","1","4","5","2","2","1") = "4"
    & skf21("5","2","1","4","5","2","3","1") = "4"
    & skf21("5","2","1","4","5","2","4","1") = "4"
    & skf21("5","2","1","4","5","2","5","1") = "4"
    & skf21("5","2","1","4","5","2","6","1") = "5"
    & skf21("5","2","1","4","5","2","7","1") = "6"
    & skf21("5","2","1","4","5","3","1","1") = "4"
    & skf21("5","2","1","4","5","3","2","1") = "4"
    & skf21("5","2","1","4","5","3","3","1") = "4"
    & skf21("5","2","1","4","5","3","4","1") = "4"
    & skf21("5","2","1","4","5","3","5","1") = "4"
    & skf21("5","2","1","4","5","3","6","1") = "5"
    & skf21("5","2","1","4","5","3","7","1") = "6"
    & skf21("5","2","1","4","5","4","1","1") = "4"
    & skf21("5","2","1","4","5","4","2","1") = "4"
    & skf21("5","2","1","4","5","4","3","1") = "4"
    & skf21("5","2","1","4","5","4","4","1") = "4"
    & skf21("5","2","1","4","5","4","5","1") = "4"
    & skf21("5","2","1","4","5","4","6","1") = "5"
    & skf21("5","2","1","4","5","4","7","1") = "6"
    & skf21("5","2","1","4","5","5","1","1") = "4"
    & skf21("5","2","1","4","5","5","2","1") = "4"
    & skf21("5","2","1","4","5","5","3","1") = "4"
    & skf21("5","2","1","4","5","5","4","1") = "4"
    & skf21("5","2","1","4","5","5","5","1") = "4"
    & skf21("5","2","1","4","5","5","6","1") = "5"
    & skf21("5","2","1","4","5","5","7","1") = "6"
    & skf21("5","2","1","4","5","6","1","1") = "5"
    & skf21("5","2","1","4","5","6","2","1") = "5"
    & skf21("5","2","1","4","5","6","3","1") = "5"
    & skf21("5","2","1","4","5","6","4","1") = "5"
    & skf21("5","2","1","4","5","6","5","1") = "5"
    & skf21("5","2","1","4","5","6","6","1") = "5"
    & skf21("5","2","1","4","5","6","7","1") = "6"
    & skf21("5","2","1","4","5","7","1","1") = "6"
    & skf21("5","2","1","4","5","7","2","1") = "6"
    & skf21("5","2","1","4","5","7","3","1") = "6"
    & skf21("5","2","1","4","5","7","4","1") = "6"
    & skf21("5","2","1","4","5","7","5","1") = "6"
    & skf21("5","2","1","4","5","7","6","1") = "6"
    & skf21("5","2","1","4","5","7","7","1") = "6"
    & skf21("5","2","1","4","6","1","1","1") = "5"
    & skf21("5","2","1","4","6","1","2","1") = "5"
    & skf21("5","2","1","4","6","1","3","1") = "5"
    & skf21("5","2","1","4","6","1","4","1") = "5"
    & skf21("5","2","1","4","6","1","5","1") = "5"
    & skf21("5","2","1","4","6","1","6","1") = "5"
    & skf21("5","2","1","4","6","1","7","1") = "6"
    & skf21("5","2","1","4","6","2","1","1") = "5"
    & skf21("5","2","1","4","6","2","2","1") = "5"
    & skf21("5","2","1","4","6","2","3","1") = "5"
    & skf21("5","2","1","4","6","2","4","1") = "5"
    & skf21("5","2","1","4","6","2","5","1") = "5"
    & skf21("5","2","1","4","6","2","6","1") = "5"
    & skf21("5","2","1","4","6","2","7","1") = "6"
    & skf21("5","2","1","4","6","3","1","1") = "5"
    & skf21("5","2","1","4","6","3","2","1") = "5"
    & skf21("5","2","1","4","6","3","3","1") = "5"
    & skf21("5","2","1","4","6","3","4","1") = "5"
    & skf21("5","2","1","4","6","3","5","1") = "5"
    & skf21("5","2","1","4","6","3","6","1") = "5"
    & skf21("5","2","1","4","6","3","7","1") = "6"
    & skf21("5","2","1","4","6","4","1","1") = "5"
    & skf21("5","2","1","4","6","4","2","1") = "5"
    & skf21("5","2","1","4","6","4","3","1") = "5"
    & skf21("5","2","1","4","6","4","4","1") = "5"
    & skf21("5","2","1","4","6","4","5","1") = "5"
    & skf21("5","2","1","4","6","4","6","1") = "5"
    & skf21("5","2","1","4","6","4","7","1") = "6"
    & skf21("5","2","1","4","6","5","1","1") = "5"
    & skf21("5","2","1","4","6","5","2","1") = "5"
    & skf21("5","2","1","4","6","5","3","1") = "5"
    & skf21("5","2","1","4","6","5","4","1") = "5"
    & skf21("5","2","1","4","6","5","5","1") = "5"
    & skf21("5","2","1","4","6","5","6","1") = "5"
    & skf21("5","2","1","4","6","5","7","1") = "6"
    & skf21("5","2","1","4","6","6","1","1") = "5"
    & skf21("5","2","1","4","6","6","2","1") = "5"
    & skf21("5","2","1","4","6","6","3","1") = "5"
    & skf21("5","2","1","4","6","6","4","1") = "5"
    & skf21("5","2","1","4","6","6","5","1") = "5"
    & skf21("5","2","1","4","6","6","6","1") = "5"
    & skf21("5","2","1","4","6","6","7","1") = "6"
    & skf21("5","2","1","4","6","7","1","1") = "6"
    & skf21("5","2","1","4","6","7","2","1") = "6"
    & skf21("5","2","1","4","6","7","3","1") = "6"
    & skf21("5","2","1","4","6","7","4","1") = "6"
    & skf21("5","2","1","4","6","7","5","1") = "6"
    & skf21("5","2","1","4","6","7","6","1") = "6"
    & skf21("5","2","1","4","6","7","7","1") = "6"
    & skf21("5","2","1","4","7","1","1","1") = "6"
    & skf21("5","2","1","4","7","1","2","1") = "6"
    & skf21("5","2","1","4","7","1","3","1") = "6"
    & skf21("5","2","1","4","7","1","4","1") = "6"
    & skf21("5","2","1","4","7","1","5","1") = "6"
    & skf21("5","2","1","4","7","1","6","1") = "6"
    & skf21("5","2","1","4","7","1","7","1") = "6"
    & skf21("5","2","1","4","7","2","1","1") = "6"
    & skf21("5","2","1","4","7","2","2","1") = "6"
    & skf21("5","2","1","4","7","2","3","1") = "6"
    & skf21("5","2","1","4","7","2","4","1") = "6"
    & skf21("5","2","1","4","7","2","5","1") = "6"
    & skf21("5","2","1","4","7","2","6","1") = "6"
    & skf21("5","2","1","4","7","2","7","1") = "6"
    & skf21("5","2","1","4","7","3","1","1") = "6"
    & skf21("5","2","1","4","7","3","2","1") = "6"
    & skf21("5","2","1","4","7","3","3","1") = "6"
    & skf21("5","2","1","4","7","3","4","1") = "6"
    & skf21("5","2","1","4","7","3","5","1") = "6"
    & skf21("5","2","1","4","7","3","6","1") = "6"
    & skf21("5","2","1","4","7","3","7","1") = "6"
    & skf21("5","2","1","4","7","4","1","1") = "6"
    & skf21("5","2","1","4","7","4","2","1") = "6"
    & skf21("5","2","1","4","7","4","3","1") = "6"
    & skf21("5","2","1","4","7","4","4","1") = "6"
    & skf21("5","2","1","4","7","4","5","1") = "6"
    & skf21("5","2","1","4","7","4","6","1") = "6"
    & skf21("5","2","1","4","7","4","7","1") = "6"
    & skf21("5","2","1","4","7","5","1","1") = "6"
    & skf21("5","2","1","4","7","5","2","1") = "6"
    & skf21("5","2","1","4","7","5","3","1") = "6"
    & skf21("5","2","1","4","7","5","4","1") = "6"
    & skf21("5","2","1","4","7","5","5","1") = "6"
    & skf21("5","2","1","4","7","5","6","1") = "6"
    & skf21("5","2","1","4","7","5","7","1") = "6"
    & skf21("5","2","1","4","7","6","1","1") = "6"
    & skf21("5","2","1","4","7","6","2","1") = "6"
    & skf21("5","2","1","4","7","6","3","1") = "6"
    & skf21("5","2","1","4","7","6","4","1") = "6"
    & skf21("5","2","1","4","7","6","5","1") = "6"
    & skf21("5","2","1","4","7","6","6","1") = "6"
    & skf21("5","2","1","4","7","6","7","1") = "6"
    & skf21("5","2","1","4","7","7","1","1") = "6"
    & skf21("5","2","1","4","7","7","2","1") = "6"
    & skf21("5","2","1","4","7","7","3","1") = "6"
    & skf21("5","2","1","4","7","7","4","1") = "6"
    & skf21("5","2","1","4","7","7","5","1") = "6"
    & skf21("5","2","1","4","7","7","6","1") = "6"
    & skf21("5","2","1","4","7","7","7","1") = "6"
    & skf21("5","2","1","5","1","1","1","1") = "4"
    & skf21("5","2","1","5","1","1","2","1") = "4"
    & skf21("5","2","1","5","1","1","3","1") = "4"
    & skf21("5","2","1","5","1","1","4","1") = "4"
    & skf21("5","2","1","5","1","1","5","1") = "4"
    & skf21("5","2","1","5","1","1","6","1") = "5"
    & skf21("5","2","1","5","1","1","7","1") = "6"
    & skf21("5","2","1","5","1","2","1","1") = "4"
    & skf21("5","2","1","5","1","2","2","1") = "4"
    & skf21("5","2","1","5","1","2","3","1") = "4"
    & skf21("5","2","1","5","1","2","4","1") = "4"
    & skf21("5","2","1","5","1","2","5","1") = "4"
    & skf21("5","2","1","5","1","2","6","1") = "5"
    & skf21("5","2","1","5","1","2","7","1") = "6"
    & skf21("5","2","1","5","1","3","1","1") = "4"
    & skf21("5","2","1","5","1","3","2","1") = "4"
    & skf21("5","2","1","5","1","3","3","1") = "4"
    & skf21("5","2","1","5","1","3","4","1") = "4"
    & skf21("5","2","1","5","1","3","5","1") = "4"
    & skf21("5","2","1","5","1","3","6","1") = "5"
    & skf21("5","2","1","5","1","3","7","1") = "6"
    & skf21("5","2","1","5","1","4","1","1") = "4"
    & skf21("5","2","1","5","1","4","2","1") = "4"
    & skf21("5","2","1","5","1","4","3","1") = "4"
    & skf21("5","2","1","5","1","4","4","1") = "4"
    & skf21("5","2","1","5","1","4","5","1") = "4"
    & skf21("5","2","1","5","1","4","6","1") = "5"
    & skf21("5","2","1","5","1","4","7","1") = "6"
    & skf21("5","2","1","5","1","5","1","1") = "4"
    & skf21("5","2","1","5","1","5","2","1") = "4"
    & skf21("5","2","1","5","1","5","3","1") = "4"
    & skf21("5","2","1","5","1","5","4","1") = "4"
    & skf21("5","2","1","5","1","5","5","1") = "4"
    & skf21("5","2","1","5","1","5","6","1") = "5"
    & skf21("5","2","1","5","1","5","7","1") = "6"
    & skf21("5","2","1","5","1","6","1","1") = "5"
    & skf21("5","2","1","5","1","6","2","1") = "5"
    & skf21("5","2","1","5","1","6","3","1") = "5"
    & skf21("5","2","1","5","1","6","4","1") = "5"
    & skf21("5","2","1","5","1","6","5","1") = "5"
    & skf21("5","2","1","5","1","6","6","1") = "5"
    & skf21("5","2","1","5","1","6","7","1") = "6"
    & skf21("5","2","1","5","1","7","1","1") = "6"
    & skf21("5","2","1","5","1","7","2","1") = "6"
    & skf21("5","2","1","5","1","7","3","1") = "6"
    & skf21("5","2","1","5","1","7","4","1") = "6"
    & skf21("5","2","1","5","1","7","5","1") = "6"
    & skf21("5","2","1","5","1","7","6","1") = "6"
    & skf21("5","2","1","5","1","7","7","1") = "6"
    & skf21("5","2","1","5","2","1","1","1") = "4"
    & skf21("5","2","1","5","2","1","2","1") = "4"
    & skf21("5","2","1","5","2","1","3","1") = "4"
    & skf21("5","2","1","5","2","1","4","1") = "4"
    & skf21("5","2","1","5","2","1","5","1") = "4"
    & skf21("5","2","1","5","2","1","6","1") = "5"
    & skf21("5","2","1","5","2","1","7","1") = "6"
    & skf21("5","2","1","5","2","2","1","1") = "4"
    & skf21("5","2","1","5","2","2","2","1") = "4"
    & skf21("5","2","1","5","2","2","3","1") = "4"
    & skf21("5","2","1","5","2","2","4","1") = "4"
    & skf21("5","2","1","5","2","2","5","1") = "4"
    & skf21("5","2","1","5","2","2","6","1") = "5"
    & skf21("5","2","1","5","2","2","7","1") = "6"
    & skf21("5","2","1","5","2","3","1","1") = "4"
    & skf21("5","2","1","5","2","3","2","1") = "4"
    & skf21("5","2","1","5","2","3","3","1") = "4"
    & skf21("5","2","1","5","2","3","4","1") = "4"
    & skf21("5","2","1","5","2","3","5","1") = "4"
    & skf21("5","2","1","5","2","3","6","1") = "5"
    & skf21("5","2","1","5","2","3","7","1") = "6"
    & skf21("5","2","1","5","2","4","1","1") = "4"
    & skf21("5","2","1","5","2","4","2","1") = "4"
    & skf21("5","2","1","5","2","4","3","1") = "4"
    & skf21("5","2","1","5","2","4","4","1") = "4"
    & skf21("5","2","1","5","2","4","5","1") = "4"
    & skf21("5","2","1","5","2","4","6","1") = "5"
    & skf21("5","2","1","5","2","4","7","1") = "6"
    & skf21("5","2","1","5","2","5","1","1") = "4"
    & skf21("5","2","1","5","2","5","2","1") = "4"
    & skf21("5","2","1","5","2","5","3","1") = "4"
    & skf21("5","2","1","5","2","5","4","1") = "4"
    & skf21("5","2","1","5","2","5","5","1") = "4"
    & skf21("5","2","1","5","2","5","6","1") = "5"
    & skf21("5","2","1","5","2","5","7","1") = "6"
    & skf21("5","2","1","5","2","6","1","1") = "5"
    & skf21("5","2","1","5","2","6","2","1") = "5"
    & skf21("5","2","1","5","2","6","3","1") = "5"
    & skf21("5","2","1","5","2","6","4","1") = "5"
    & skf21("5","2","1","5","2","6","5","1") = "5"
    & skf21("5","2","1","5","2","6","6","1") = "5"
    & skf21("5","2","1","5","2","6","7","1") = "6"
    & skf21("5","2","1","5","2","7","1","1") = "6"
    & skf21("5","2","1","5","2","7","2","1") = "6"
    & skf21("5","2","1","5","2","7","3","1") = "6"
    & skf21("5","2","1","5","2","7","4","1") = "6"
    & skf21("5","2","1","5","2","7","5","1") = "6"
    & skf21("5","2","1","5","2","7","6","1") = "6"
    & skf21("5","2","1","5","2","7","7","1") = "6"
    & skf21("5","2","1","5","3","1","1","1") = "4"
    & skf21("5","2","1","5","3","1","2","1") = "4"
    & skf21("5","2","1","5","3","1","3","1") = "4"
    & skf21("5","2","1","5","3","1","4","1") = "4"
    & skf21("5","2","1","5","3","1","5","1") = "4"
    & skf21("5","2","1","5","3","1","6","1") = "5"
    & skf21("5","2","1","5","3","1","7","1") = "6"
    & skf21("5","2","1","5","3","2","1","1") = "4"
    & skf21("5","2","1","5","3","2","2","1") = "4"
    & skf21("5","2","1","5","3","2","3","1") = "4"
    & skf21("5","2","1","5","3","2","4","1") = "4"
    & skf21("5","2","1","5","3","2","5","1") = "4"
    & skf21("5","2","1","5","3","2","6","1") = "5"
    & skf21("5","2","1","5","3","2","7","1") = "6"
    & skf21("5","2","1","5","3","3","1","1") = "4"
    & skf21("5","2","1","5","3","3","2","1") = "4"
    & skf21("5","2","1","5","3","3","3","1") = "4"
    & skf21("5","2","1","5","3","3","4","1") = "4"
    & skf21("5","2","1","5","3","3","5","1") = "4"
    & skf21("5","2","1","5","3","3","6","1") = "5"
    & skf21("5","2","1","5","3","3","7","1") = "6"
    & skf21("5","2","1","5","3","4","1","1") = "4"
    & skf21("5","2","1","5","3","4","2","1") = "4"
    & skf21("5","2","1","5","3","4","3","1") = "4"
    & skf21("5","2","1","5","3","4","4","1") = "4"
    & skf21("5","2","1","5","3","4","5","1") = "4"
    & skf21("5","2","1","5","3","4","6","1") = "5"
    & skf21("5","2","1","5","3","4","7","1") = "6"
    & skf21("5","2","1","5","3","5","1","1") = "4"
    & skf21("5","2","1","5","3","5","2","1") = "4"
    & skf21("5","2","1","5","3","5","3","1") = "4"
    & skf21("5","2","1","5","3","5","4","1") = "4"
    & skf21("5","2","1","5","3","5","5","1") = "4"
    & skf21("5","2","1","5","3","5","6","1") = "5"
    & skf21("5","2","1","5","3","5","7","1") = "6"
    & skf21("5","2","1","5","3","6","1","1") = "5"
    & skf21("5","2","1","5","3","6","2","1") = "5"
    & skf21("5","2","1","5","3","6","3","1") = "5"
    & skf21("5","2","1","5","3","6","4","1") = "5"
    & skf21("5","2","1","5","3","6","5","1") = "5"
    & skf21("5","2","1","5","3","6","6","1") = "5"
    & skf21("5","2","1","5","3","6","7","1") = "6"
    & skf21("5","2","1","5","3","7","1","1") = "6"
    & skf21("5","2","1","5","3","7","2","1") = "6"
    & skf21("5","2","1","5","3","7","3","1") = "6"
    & skf21("5","2","1","5","3","7","4","1") = "6"
    & skf21("5","2","1","5","3","7","5","1") = "6"
    & skf21("5","2","1","5","3","7","6","1") = "6"
    & skf21("5","2","1","5","3","7","7","1") = "6"
    & skf21("5","2","1","5","4","1","1","1") = "4"
    & skf21("5","2","1","5","4","1","2","1") = "4"
    & skf21("5","2","1","5","4","1","3","1") = "4"
    & skf21("5","2","1","5","4","1","4","1") = "4"
    & skf21("5","2","1","5","4","1","5","1") = "4"
    & skf21("5","2","1","5","4","1","6","1") = "5"
    & skf21("5","2","1","5","4","1","7","1") = "6"
    & skf21("5","2","1","5","4","2","1","1") = "4"
    & skf21("5","2","1","5","4","2","2","1") = "4"
    & skf21("5","2","1","5","4","2","3","1") = "4"
    & skf21("5","2","1","5","4","2","4","1") = "4"
    & skf21("5","2","1","5","4","2","5","1") = "4"
    & skf21("5","2","1","5","4","2","6","1") = "5"
    & skf21("5","2","1","5","4","2","7","1") = "6"
    & skf21("5","2","1","5","4","3","1","1") = "4"
    & skf21("5","2","1","5","4","3","2","1") = "4"
    & skf21("5","2","1","5","4","3","3","1") = "4"
    & skf21("5","2","1","5","4","3","4","1") = "4"
    & skf21("5","2","1","5","4","3","5","1") = "4"
    & skf21("5","2","1","5","4","3","6","1") = "5"
    & skf21("5","2","1","5","4","3","7","1") = "6"
    & skf21("5","2","1","5","4","4","1","1") = "4"
    & skf21("5","2","1","5","4","4","2","1") = "4"
    & skf21("5","2","1","5","4","4","3","1") = "4"
    & skf21("5","2","1","5","4","4","4","1") = "4"
    & skf21("5","2","1","5","4","4","5","1") = "4"
    & skf21("5","2","1","5","4","4","6","1") = "5"
    & skf21("5","2","1","5","4","4","7","1") = "6"
    & skf21("5","2","1","5","4","5","1","1") = "4"
    & skf21("5","2","1","5","4","5","2","1") = "4"
    & skf21("5","2","1","5","4","5","3","1") = "4"
    & skf21("5","2","1","5","4","5","4","1") = "4"
    & skf21("5","2","1","5","4","5","5","1") = "4"
    & skf21("5","2","1","5","4","5","6","1") = "5"
    & skf21("5","2","1","5","4","5","7","1") = "6"
    & skf21("5","2","1","5","4","6","1","1") = "5"
    & skf21("5","2","1","5","4","6","2","1") = "5"
    & skf21("5","2","1","5","4","6","3","1") = "5"
    & skf21("5","2","1","5","4","6","4","1") = "5"
    & skf21("5","2","1","5","4","6","5","1") = "5"
    & skf21("5","2","1","5","4","6","6","1") = "5"
    & skf21("5","2","1","5","4","6","7","1") = "6"
    & skf21("5","2","1","5","4","7","1","1") = "6"
    & skf21("5","2","1","5","4","7","2","1") = "6"
    & skf21("5","2","1","5","4","7","3","1") = "6"
    & skf21("5","2","1","5","4","7","4","1") = "6"
    & skf21("5","2","1","5","4","7","5","1") = "6"
    & skf21("5","2","1","5","4","7","6","1") = "6"
    & skf21("5","2","1","5","4","7","7","1") = "6"
    & skf21("5","2","1","5","5","1","1","1") = "4"
    & skf21("5","2","1","5","5","1","2","1") = "4"
    & skf21("5","2","1","5","5","1","3","1") = "4"
    & skf21("5","2","1","5","5","1","4","1") = "4"
    & skf21("5","2","1","5","5","1","5","1") = "4"
    & skf21("5","2","1","5","5","1","6","1") = "5"
    & skf21("5","2","1","5","5","1","7","1") = "6"
    & skf21("5","2","1","5","5","2","1","1") = "4"
    & skf21("5","2","1","5","5","2","2","1") = "4"
    & skf21("5","2","1","5","5","2","3","1") = "4"
    & skf21("5","2","1","5","5","2","4","1") = "4"
    & skf21("5","2","1","5","5","2","5","1") = "4"
    & skf21("5","2","1","5","5","2","6","1") = "5"
    & skf21("5","2","1","5","5","2","7","1") = "6"
    & skf21("5","2","1","5","5","3","1","1") = "4"
    & skf21("5","2","1","5","5","3","2","1") = "4"
    & skf21("5","2","1","5","5","3","3","1") = "4"
    & skf21("5","2","1","5","5","3","4","1") = "4"
    & skf21("5","2","1","5","5","3","5","1") = "4"
    & skf21("5","2","1","5","5","3","6","1") = "5"
    & skf21("5","2","1","5","5","3","7","1") = "6"
    & skf21("5","2","1","5","5","4","1","1") = "4"
    & skf21("5","2","1","5","5","4","2","1") = "4"
    & skf21("5","2","1","5","5","4","3","1") = "4"
    & skf21("5","2","1","5","5","4","4","1") = "4"
    & skf21("5","2","1","5","5","4","5","1") = "4"
    & skf21("5","2","1","5","5","4","6","1") = "5"
    & skf21("5","2","1","5","5","4","7","1") = "6"
    & skf21("5","2","1","5","5","5","1","1") = "4"
    & skf21("5","2","1","5","5","5","2","1") = "4"
    & skf21("5","2","1","5","5","5","3","1") = "4"
    & skf21("5","2","1","5","5","5","4","1") = "4"
    & skf21("5","2","1","5","5","5","5","1") = "4"
    & skf21("5","2","1","5","5","5","6","1") = "5"
    & skf21("5","2","1","5","5","5","7","1") = "6"
    & skf21("5","2","1","5","5","6","1","1") = "5"
    & skf21("5","2","1","5","5","6","2","1") = "5"
    & skf21("5","2","1","5","5","6","3","1") = "5"
    & skf21("5","2","1","5","5","6","4","1") = "5"
    & skf21("5","2","1","5","5","6","5","1") = "5"
    & skf21("5","2","1","5","5","6","6","1") = "5"
    & skf21("5","2","1","5","5","6","7","1") = "6"
    & skf21("5","2","1","5","5","7","1","1") = "6"
    & skf21("5","2","1","5","5","7","2","1") = "6"
    & skf21("5","2","1","5","5","7","3","1") = "6"
    & skf21("5","2","1","5","5","7","4","1") = "6"
    & skf21("5","2","1","5","5","7","5","1") = "6"
    & skf21("5","2","1","5","5","7","6","1") = "6"
    & skf21("5","2","1","5","5","7","7","1") = "6"
    & skf21("5","2","1","5","6","1","1","1") = "5"
    & skf21("5","2","1","5","6","1","2","1") = "5"
    & skf21("5","2","1","5","6","1","3","1") = "5"
    & skf21("5","2","1","5","6","1","4","1") = "5"
    & skf21("5","2","1","5","6","1","5","1") = "5"
    & skf21("5","2","1","5","6","1","6","1") = "5"
    & skf21("5","2","1","5","6","1","7","1") = "6"
    & skf21("5","2","1","5","6","2","1","1") = "5"
    & skf21("5","2","1","5","6","2","2","1") = "5"
    & skf21("5","2","1","5","6","2","3","1") = "5"
    & skf21("5","2","1","5","6","2","4","1") = "5"
    & skf21("5","2","1","5","6","2","5","1") = "5"
    & skf21("5","2","1","5","6","2","6","1") = "5"
    & skf21("5","2","1","5","6","2","7","1") = "6"
    & skf21("5","2","1","5","6","3","1","1") = "5"
    & skf21("5","2","1","5","6","3","2","1") = "5"
    & skf21("5","2","1","5","6","3","3","1") = "5"
    & skf21("5","2","1","5","6","3","4","1") = "5"
    & skf21("5","2","1","5","6","3","5","1") = "5"
    & skf21("5","2","1","5","6","3","6","1") = "5"
    & skf21("5","2","1","5","6","3","7","1") = "6"
    & skf21("5","2","1","5","6","4","1","1") = "5"
    & skf21("5","2","1","5","6","4","2","1") = "5"
    & skf21("5","2","1","5","6","4","3","1") = "5"
    & skf21("5","2","1","5","6","4","4","1") = "5"
    & skf21("5","2","1","5","6","4","5","1") = "5"
    & skf21("5","2","1","5","6","4","6","1") = "5"
    & skf21("5","2","1","5","6","4","7","1") = "6"
    & skf21("5","2","1","5","6","5","1","1") = "5"
    & skf21("5","2","1","5","6","5","2","1") = "5"
    & skf21("5","2","1","5","6","5","3","1") = "5"
    & skf21("5","2","1","5","6","5","4","1") = "5"
    & skf21("5","2","1","5","6","5","5","1") = "5"
    & skf21("5","2","1","5","6","5","6","1") = "5"
    & skf21("5","2","1","5","6","5","7","1") = "6"
    & skf21("5","2","1","5","6","6","1","1") = "5"
    & skf21("5","2","1","5","6","6","2","1") = "5"
    & skf21("5","2","1","5","6","6","3","1") = "5"
    & skf21("5","2","1","5","6","6","4","1") = "5"
    & skf21("5","2","1","5","6","6","5","1") = "5"
    & skf21("5","2","1","5","6","6","6","1") = "5"
    & skf21("5","2","1","5","6","6","7","1") = "6"
    & skf21("5","2","1","5","6","7","1","1") = "6"
    & skf21("5","2","1","5","6","7","2","1") = "6"
    & skf21("5","2","1","5","6","7","3","1") = "6"
    & skf21("5","2","1","5","6","7","4","1") = "6"
    & skf21("5","2","1","5","6","7","5","1") = "6"
    & skf21("5","2","1","5","6","7","6","1") = "6"
    & skf21("5","2","1","5","6","7","7","1") = "6"
    & skf21("5","2","1","5","7","1","1","1") = "6"
    & skf21("5","2","1","5","7","1","2","1") = "6"
    & skf21("5","2","1","5","7","1","3","1") = "6"
    & skf21("5","2","1","5","7","1","4","1") = "6"
    & skf21("5","2","1","5","7","1","5","1") = "6"
    & skf21("5","2","1","5","7","1","6","1") = "6"
    & skf21("5","2","1","5","7","1","7","1") = "6"
    & skf21("5","2","1","5","7","2","1","1") = "6"
    & skf21("5","2","1","5","7","2","2","1") = "6"
    & skf21("5","2","1","5","7","2","3","1") = "6"
    & skf21("5","2","1","5","7","2","4","1") = "6"
    & skf21("5","2","1","5","7","2","5","1") = "6"
    & skf21("5","2","1","5","7","2","6","1") = "6"
    & skf21("5","2","1","5","7","2","7","1") = "6"
    & skf21("5","2","1","5","7","3","1","1") = "6"
    & skf21("5","2","1","5","7","3","2","1") = "6"
    & skf21("5","2","1","5","7","3","3","1") = "6"
    & skf21("5","2","1","5","7","3","4","1") = "6"
    & skf21("5","2","1","5","7","3","5","1") = "6"
    & skf21("5","2","1","5","7","3","6","1") = "6"
    & skf21("5","2","1","5","7","3","7","1") = "6"
    & skf21("5","2","1","5","7","4","1","1") = "6"
    & skf21("5","2","1","5","7","4","2","1") = "6"
    & skf21("5","2","1","5","7","4","3","1") = "6"
    & skf21("5","2","1","5","7","4","4","1") = "6"
    & skf21("5","2","1","5","7","4","5","1") = "6"
    & skf21("5","2","1","5","7","4","6","1") = "6"
    & skf21("5","2","1","5","7","4","7","1") = "6"
    & skf21("5","2","1","5","7","5","1","1") = "6"
    & skf21("5","2","1","5","7","5","2","1") = "6"
    & skf21("5","2","1","5","7","5","3","1") = "6"
    & skf21("5","2","1","5","7","5","4","1") = "6"
    & skf21("5","2","1","5","7","5","5","1") = "6"
    & skf21("5","2","1","5","7","5","6","1") = "6"
    & skf21("5","2","1","5","7","5","7","1") = "6"
    & skf21("5","2","1","5","7","6","1","1") = "6"
    & skf21("5","2","1","5","7","6","2","1") = "6"
    & skf21("5","2","1","5","7","6","3","1") = "6"
    & skf21("5","2","1","5","7","6","4","1") = "6"
    & skf21("5","2","1","5","7","6","5","1") = "6"
    & skf21("5","2","1","5","7","6","6","1") = "6"
    & skf21("5","2","1","5","7","6","7","1") = "6"
    & skf21("5","2","1","5","7","7","1","1") = "6"
    & skf21("5","2","1","5","7","7","2","1") = "6"
    & skf21("5","2","1","5","7","7","3","1") = "6"
    & skf21("5","2","1","5","7","7","4","1") = "6"
    & skf21("5","2","1","5","7","7","5","1") = "6"
    & skf21("5","2","1","5","7","7","6","1") = "6"
    & skf21("5","2","1","5","7","7","7","1") = "6"
    & skf21("5","2","1","6","1","1","1","1") = "5"
    & skf21("5","2","1","6","1","1","2","1") = "5"
    & skf21("5","2","1","6","1","1","3","1") = "5"
    & skf21("5","2","1","6","1","1","4","1") = "5"
    & skf21("5","2","1","6","1","1","5","1") = "5"
    & skf21("5","2","1","6","1","1","6","1") = "5"
    & skf21("5","2","1","6","1","1","7","1") = "6"
    & skf21("5","2","1","6","1","2","1","1") = "5"
    & skf21("5","2","1","6","1","2","2","1") = "5"
    & skf21("5","2","1","6","1","2","3","1") = "5"
    & skf21("5","2","1","6","1","2","4","1") = "5"
    & skf21("5","2","1","6","1","2","5","1") = "5"
    & skf21("5","2","1","6","1","2","6","1") = "5"
    & skf21("5","2","1","6","1","2","7","1") = "6"
    & skf21("5","2","1","6","1","3","1","1") = "5"
    & skf21("5","2","1","6","1","3","2","1") = "5"
    & skf21("5","2","1","6","1","3","3","1") = "5"
    & skf21("5","2","1","6","1","3","4","1") = "5"
    & skf21("5","2","1","6","1","3","5","1") = "5"
    & skf21("5","2","1","6","1","3","6","1") = "5"
    & skf21("5","2","1","6","1","3","7","1") = "6"
    & skf21("5","2","1","6","1","4","1","1") = "5"
    & skf21("5","2","1","6","1","4","2","1") = "5"
    & skf21("5","2","1","6","1","4","3","1") = "5"
    & skf21("5","2","1","6","1","4","4","1") = "5"
    & skf21("5","2","1","6","1","4","5","1") = "5"
    & skf21("5","2","1","6","1","4","6","1") = "5"
    & skf21("5","2","1","6","1","4","7","1") = "6"
    & skf21("5","2","1","6","1","5","1","1") = "5"
    & skf21("5","2","1","6","1","5","2","1") = "5"
    & skf21("5","2","1","6","1","5","3","1") = "5"
    & skf21("5","2","1","6","1","5","4","1") = "5"
    & skf21("5","2","1","6","1","5","5","1") = "5"
    & skf21("5","2","1","6","1","5","6","1") = "5"
    & skf21("5","2","1","6","1","5","7","1") = "6"
    & skf21("5","2","1","6","1","6","1","1") = "5"
    & skf21("5","2","1","6","1","6","2","1") = "5"
    & skf21("5","2","1","6","1","6","3","1") = "5"
    & skf21("5","2","1","6","1","6","4","1") = "5"
    & skf21("5","2","1","6","1","6","5","1") = "5"
    & skf21("5","2","1","6","1","6","6","1") = "5"
    & skf21("5","2","1","6","1","6","7","1") = "6"
    & skf21("5","2","1","6","1","7","1","1") = "6"
    & skf21("5","2","1","6","1","7","2","1") = "6"
    & skf21("5","2","1","6","1","7","3","1") = "6"
    & skf21("5","2","1","6","1","7","4","1") = "6"
    & skf21("5","2","1","6","1","7","5","1") = "6"
    & skf21("5","2","1","6","1","7","6","1") = "6"
    & skf21("5","2","1","6","1","7","7","1") = "6"
    & skf21("5","2","1","6","2","1","1","1") = "5"
    & skf21("5","2","1","6","2","1","2","1") = "5"
    & skf21("5","2","1","6","2","1","3","1") = "5"
    & skf21("5","2","1","6","2","1","4","1") = "5"
    & skf21("5","2","1","6","2","1","5","1") = "5"
    & skf21("5","2","1","6","2","1","6","1") = "5"
    & skf21("5","2","1","6","2","1","7","1") = "6"
    & skf21("5","2","1","6","2","2","1","1") = "5"
    & skf21("5","2","1","6","2","2","2","1") = "5"
    & skf21("5","2","1","6","2","2","3","1") = "5"
    & skf21("5","2","1","6","2","2","4","1") = "5"
    & skf21("5","2","1","6","2","2","5","1") = "5"
    & skf21("5","2","1","6","2","2","6","1") = "5"
    & skf21("5","2","1","6","2","2","7","1") = "6"
    & skf21("5","2","1","6","2","3","1","1") = "5"
    & skf21("5","2","1","6","2","3","2","1") = "5"
    & skf21("5","2","1","6","2","3","3","1") = "5"
    & skf21("5","2","1","6","2","3","4","1") = "5"
    & skf21("5","2","1","6","2","3","5","1") = "5"
    & skf21("5","2","1","6","2","3","6","1") = "5"
    & skf21("5","2","1","6","2","3","7","1") = "6"
    & skf21("5","2","1","6","2","4","1","1") = "5"
    & skf21("5","2","1","6","2","4","2","1") = "5"
    & skf21("5","2","1","6","2","4","3","1") = "5"
    & skf21("5","2","1","6","2","4","4","1") = "5"
    & skf21("5","2","1","6","2","4","5","1") = "5"
    & skf21("5","2","1","6","2","4","6","1") = "5"
    & skf21("5","2","1","6","2","4","7","1") = "6"
    & skf21("5","2","1","6","2","5","1","1") = "5"
    & skf21("5","2","1","6","2","5","2","1") = "5"
    & skf21("5","2","1","6","2","5","3","1") = "5"
    & skf21("5","2","1","6","2","5","4","1") = "5"
    & skf21("5","2","1","6","2","5","5","1") = "5"
    & skf21("5","2","1","6","2","5","6","1") = "5"
    & skf21("5","2","1","6","2","5","7","1") = "6"
    & skf21("5","2","1","6","2","6","1","1") = "5"
    & skf21("5","2","1","6","2","6","2","1") = "5"
    & skf21("5","2","1","6","2","6","3","1") = "5"
    & skf21("5","2","1","6","2","6","4","1") = "5"
    & skf21("5","2","1","6","2","6","5","1") = "5"
    & skf21("5","2","1","6","2","6","6","1") = "5"
    & skf21("5","2","1","6","2","6","7","1") = "6"
    & skf21("5","2","1","6","2","7","1","1") = "6"
    & skf21("5","2","1","6","2","7","2","1") = "6"
    & skf21("5","2","1","6","2","7","3","1") = "6"
    & skf21("5","2","1","6","2","7","4","1") = "6"
    & skf21("5","2","1","6","2","7","5","1") = "6"
    & skf21("5","2","1","6","2","7","6","1") = "6"
    & skf21("5","2","1","6","2","7","7","1") = "6"
    & skf21("5","2","1","6","3","1","1","1") = "5"
    & skf21("5","2","1","6","3","1","2","1") = "5"
    & skf21("5","2","1","6","3","1","3","1") = "5"
    & skf21("5","2","1","6","3","1","4","1") = "5"
    & skf21("5","2","1","6","3","1","5","1") = "5"
    & skf21("5","2","1","6","3","1","6","1") = "5"
    & skf21("5","2","1","6","3","1","7","1") = "6"
    & skf21("5","2","1","6","3","2","1","1") = "5"
    & skf21("5","2","1","6","3","2","2","1") = "5"
    & skf21("5","2","1","6","3","2","3","1") = "5"
    & skf21("5","2","1","6","3","2","4","1") = "5"
    & skf21("5","2","1","6","3","2","5","1") = "5"
    & skf21("5","2","1","6","3","2","6","1") = "5"
    & skf21("5","2","1","6","3","2","7","1") = "6"
    & skf21("5","2","1","6","3","3","1","1") = "5"
    & skf21("5","2","1","6","3","3","2","1") = "5"
    & skf21("5","2","1","6","3","3","3","1") = "5"
    & skf21("5","2","1","6","3","3","4","1") = "5"
    & skf21("5","2","1","6","3","3","5","1") = "5"
    & skf21("5","2","1","6","3","3","6","1") = "5"
    & skf21("5","2","1","6","3","3","7","1") = "6"
    & skf21("5","2","1","6","3","4","1","1") = "5"
    & skf21("5","2","1","6","3","4","2","1") = "5"
    & skf21("5","2","1","6","3","4","3","1") = "5"
    & skf21("5","2","1","6","3","4","4","1") = "5"
    & skf21("5","2","1","6","3","4","5","1") = "5"
    & skf21("5","2","1","6","3","4","6","1") = "5"
    & skf21("5","2","1","6","3","4","7","1") = "6"
    & skf21("5","2","1","6","3","5","1","1") = "5"
    & skf21("5","2","1","6","3","5","2","1") = "5"
    & skf21("5","2","1","6","3","5","3","1") = "5"
    & skf21("5","2","1","6","3","5","4","1") = "5"
    & skf21("5","2","1","6","3","5","5","1") = "5"
    & skf21("5","2","1","6","3","5","6","1") = "5"
    & skf21("5","2","1","6","3","5","7","1") = "6"
    & skf21("5","2","1","6","3","6","1","1") = "5"
    & skf21("5","2","1","6","3","6","2","1") = "5"
    & skf21("5","2","1","6","3","6","3","1") = "5"
    & skf21("5","2","1","6","3","6","4","1") = "5"
    & skf21("5","2","1","6","3","6","5","1") = "5"
    & skf21("5","2","1","6","3","6","6","1") = "5"
    & skf21("5","2","1","6","3","6","7","1") = "6"
    & skf21("5","2","1","6","3","7","1","1") = "6"
    & skf21("5","2","1","6","3","7","2","1") = "6"
    & skf21("5","2","1","6","3","7","3","1") = "6"
    & skf21("5","2","1","6","3","7","4","1") = "6"
    & skf21("5","2","1","6","3","7","5","1") = "6"
    & skf21("5","2","1","6","3","7","6","1") = "6"
    & skf21("5","2","1","6","3","7","7","1") = "6"
    & skf21("5","2","1","6","4","1","1","1") = "5"
    & skf21("5","2","1","6","4","1","2","1") = "5"
    & skf21("5","2","1","6","4","1","3","1") = "5"
    & skf21("5","2","1","6","4","1","4","1") = "5"
    & skf21("5","2","1","6","4","1","5","1") = "5"
    & skf21("5","2","1","6","4","1","6","1") = "5"
    & skf21("5","2","1","6","4","1","7","1") = "6"
    & skf21("5","2","1","6","4","2","1","1") = "5"
    & skf21("5","2","1","6","4","2","2","1") = "5"
    & skf21("5","2","1","6","4","2","3","1") = "5"
    & skf21("5","2","1","6","4","2","4","1") = "5"
    & skf21("5","2","1","6","4","2","5","1") = "5"
    & skf21("5","2","1","6","4","2","6","1") = "5"
    & skf21("5","2","1","6","4","2","7","1") = "6"
    & skf21("5","2","1","6","4","3","1","1") = "5"
    & skf21("5","2","1","6","4","3","2","1") = "5"
    & skf21("5","2","1","6","4","3","3","1") = "5"
    & skf21("5","2","1","6","4","3","4","1") = "5"
    & skf21("5","2","1","6","4","3","5","1") = "5"
    & skf21("5","2","1","6","4","3","6","1") = "5"
    & skf21("5","2","1","6","4","3","7","1") = "6"
    & skf21("5","2","1","6","4","4","1","1") = "5"
    & skf21("5","2","1","6","4","4","2","1") = "5"
    & skf21("5","2","1","6","4","4","3","1") = "5"
    & skf21("5","2","1","6","4","4","4","1") = "5"
    & skf21("5","2","1","6","4","4","5","1") = "5"
    & skf21("5","2","1","6","4","4","6","1") = "5"
    & skf21("5","2","1","6","4","4","7","1") = "6"
    & skf21("5","2","1","6","4","5","1","1") = "5"
    & skf21("5","2","1","6","4","5","2","1") = "5"
    & skf21("5","2","1","6","4","5","3","1") = "5"
    & skf21("5","2","1","6","4","5","4","1") = "5"
    & skf21("5","2","1","6","4","5","5","1") = "5"
    & skf21("5","2","1","6","4","5","6","1") = "5"
    & skf21("5","2","1","6","4","5","7","1") = "6"
    & skf21("5","2","1","6","4","6","1","1") = "5"
    & skf21("5","2","1","6","4","6","2","1") = "5"
    & skf21("5","2","1","6","4","6","3","1") = "5"
    & skf21("5","2","1","6","4","6","4","1") = "5"
    & skf21("5","2","1","6","4","6","5","1") = "5"
    & skf21("5","2","1","6","4","6","6","1") = "5"
    & skf21("5","2","1","6","4","6","7","1") = "6"
    & skf21("5","2","1","6","4","7","1","1") = "6"
    & skf21("5","2","1","6","4","7","2","1") = "6"
    & skf21("5","2","1","6","4","7","3","1") = "6"
    & skf21("5","2","1","6","4","7","4","1") = "6"
    & skf21("5","2","1","6","4","7","5","1") = "6"
    & skf21("5","2","1","6","4","7","6","1") = "6"
    & skf21("5","2","1","6","4","7","7","1") = "6"
    & skf21("5","2","1","6","5","1","1","1") = "5"
    & skf21("5","2","1","6","5","1","2","1") = "5"
    & skf21("5","2","1","6","5","1","3","1") = "5"
    & skf21("5","2","1","6","5","1","4","1") = "5"
    & skf21("5","2","1","6","5","1","5","1") = "5"
    & skf21("5","2","1","6","5","1","6","1") = "5"
    & skf21("5","2","1","6","5","1","7","1") = "6"
    & skf21("5","2","1","6","5","2","1","1") = "5"
    & skf21("5","2","1","6","5","2","2","1") = "5"
    & skf21("5","2","1","6","5","2","3","1") = "5"
    & skf21("5","2","1","6","5","2","4","1") = "5"
    & skf21("5","2","1","6","5","2","5","1") = "5"
    & skf21("5","2","1","6","5","2","6","1") = "5"
    & skf21("5","2","1","6","5","2","7","1") = "6"
    & skf21("5","2","1","6","5","3","1","1") = "5"
    & skf21("5","2","1","6","5","3","2","1") = "5"
    & skf21("5","2","1","6","5","3","3","1") = "5"
    & skf21("5","2","1","6","5","3","4","1") = "5"
    & skf21("5","2","1","6","5","3","5","1") = "5"
    & skf21("5","2","1","6","5","3","6","1") = "5"
    & skf21("5","2","1","6","5","3","7","1") = "6"
    & skf21("5","2","1","6","5","4","1","1") = "5"
    & skf21("5","2","1","6","5","4","2","1") = "5"
    & skf21("5","2","1","6","5","4","3","1") = "5"
    & skf21("5","2","1","6","5","4","4","1") = "5"
    & skf21("5","2","1","6","5","4","5","1") = "5"
    & skf21("5","2","1","6","5","4","6","1") = "5"
    & skf21("5","2","1","6","5","4","7","1") = "6"
    & skf21("5","2","1","6","5","5","1","1") = "5"
    & skf21("5","2","1","6","5","5","2","1") = "5"
    & skf21("5","2","1","6","5","5","3","1") = "5"
    & skf21("5","2","1","6","5","5","4","1") = "5"
    & skf21("5","2","1","6","5","5","5","1") = "5"
    & skf21("5","2","1","6","5","5","6","1") = "5"
    & skf21("5","2","1","6","5","5","7","1") = "6"
    & skf21("5","2","1","6","5","6","1","1") = "5"
    & skf21("5","2","1","6","5","6","2","1") = "5"
    & skf21("5","2","1","6","5","6","3","1") = "5"
    & skf21("5","2","1","6","5","6","4","1") = "5"
    & skf21("5","2","1","6","5","6","5","1") = "5"
    & skf21("5","2","1","6","5","6","6","1") = "5"
    & skf21("5","2","1","6","5","6","7","1") = "6"
    & skf21("5","2","1","6","5","7","1","1") = "6"
    & skf21("5","2","1","6","5","7","2","1") = "6"
    & skf21("5","2","1","6","5","7","3","1") = "6"
    & skf21("5","2","1","6","5","7","4","1") = "6"
    & skf21("5","2","1","6","5","7","5","1") = "6"
    & skf21("5","2","1","6","5","7","6","1") = "6"
    & skf21("5","2","1","6","5","7","7","1") = "6"
    & skf21("5","2","1","6","6","1","1","1") = "5"
    & skf21("5","2","1","6","6","1","2","1") = "5"
    & skf21("5","2","1","6","6","1","3","1") = "5"
    & skf21("5","2","1","6","6","1","4","1") = "5"
    & skf21("5","2","1","6","6","1","5","1") = "5"
    & skf21("5","2","1","6","6","1","6","1") = "5"
    & skf21("5","2","1","6","6","1","7","1") = "6"
    & skf21("5","2","1","6","6","2","1","1") = "5"
    & skf21("5","2","1","6","6","2","2","1") = "5"
    & skf21("5","2","1","6","6","2","3","1") = "5"
    & skf21("5","2","1","6","6","2","4","1") = "5"
    & skf21("5","2","1","6","6","2","5","1") = "5"
    & skf21("5","2","1","6","6","2","6","1") = "5"
    & skf21("5","2","1","6","6","2","7","1") = "6"
    & skf21("5","2","1","6","6","3","1","1") = "5"
    & skf21("5","2","1","6","6","3","2","1") = "5"
    & skf21("5","2","1","6","6","3","3","1") = "5"
    & skf21("5","2","1","6","6","3","4","1") = "5"
    & skf21("5","2","1","6","6","3","5","1") = "5"
    & skf21("5","2","1","6","6","3","6","1") = "5"
    & skf21("5","2","1","6","6","3","7","1") = "6"
    & skf21("5","2","1","6","6","4","1","1") = "5"
    & skf21("5","2","1","6","6","4","2","1") = "5"
    & skf21("5","2","1","6","6","4","3","1") = "5"
    & skf21("5","2","1","6","6","4","4","1") = "5"
    & skf21("5","2","1","6","6","4","5","1") = "5"
    & skf21("5","2","1","6","6","4","6","1") = "5"
    & skf21("5","2","1","6","6","4","7","1") = "6"
    & skf21("5","2","1","6","6","5","1","1") = "5"
    & skf21("5","2","1","6","6","5","2","1") = "5"
    & skf21("5","2","1","6","6","5","3","1") = "5"
    & skf21("5","2","1","6","6","5","4","1") = "5"
    & skf21("5","2","1","6","6","5","5","1") = "5"
    & skf21("5","2","1","6","6","5","6","1") = "5"
    & skf21("5","2","1","6","6","5","7","1") = "6"
    & skf21("5","2","1","6","6","6","1","1") = "5"
    & skf21("5","2","1","6","6","6","2","1") = "5"
    & skf21("5","2","1","6","6","6","3","1") = "5"
    & skf21("5","2","1","6","6","6","4","1") = "5"
    & skf21("5","2","1","6","6","6","5","1") = "5"
    & skf21("5","2","1","6","6","6","6","1") = "5"
    & skf21("5","2","1","6","6","6","7","1") = "6"
    & skf21("5","2","1","6","6","7","1","1") = "6"
    & skf21("5","2","1","6","6","7","2","1") = "6"
    & skf21("5","2","1","6","6","7","3","1") = "6"
    & skf21("5","2","1","6","6","7","4","1") = "6"
    & skf21("5","2","1","6","6","7","5","1") = "6"
    & skf21("5","2","1","6","6","7","6","1") = "6"
    & skf21("5","2","1","6","6","7","7","1") = "6"
    & skf21("5","2","1","6","7","1","1","1") = "6"
    & skf21("5","2","1","6","7","1","2","1") = "6"
    & skf21("5","2","1","6","7","1","3","1") = "6"
    & skf21("5","2","1","6","7","1","4","1") = "6"
    & skf21("5","2","1","6","7","1","5","1") = "6"
    & skf21("5","2","1","6","7","1","6","1") = "6"
    & skf21("5","2","1","6","7","1","7","1") = "6"
    & skf21("5","2","1","6","7","2","1","1") = "6"
    & skf21("5","2","1","6","7","2","2","1") = "6"
    & skf21("5","2","1","6","7","2","3","1") = "6"
    & skf21("5","2","1","6","7","2","4","1") = "6"
    & skf21("5","2","1","6","7","2","5","1") = "6"
    & skf21("5","2","1","6","7","2","6","1") = "6"
    & skf21("5","2","1","6","7","2","7","1") = "6"
    & skf21("5","2","1","6","7","3","1","1") = "6"
    & skf21("5","2","1","6","7","3","2","1") = "6"
    & skf21("5","2","1","6","7","3","3","1") = "6"
    & skf21("5","2","1","6","7","3","4","1") = "6"
    & skf21("5","2","1","6","7","3","5","1") = "6"
    & skf21("5","2","1","6","7","3","6","1") = "6"
    & skf21("5","2","1","6","7","3","7","1") = "6"
    & skf21("5","2","1","6","7","4","1","1") = "6"
    & skf21("5","2","1","6","7","4","2","1") = "6"
    & skf21("5","2","1","6","7","4","3","1") = "6"
    & skf21("5","2","1","6","7","4","4","1") = "6"
    & skf21("5","2","1","6","7","4","5","1") = "6"
    & skf21("5","2","1","6","7","4","6","1") = "6"
    & skf21("5","2","1","6","7","4","7","1") = "6"
    & skf21("5","2","1","6","7","5","1","1") = "6"
    & skf21("5","2","1","6","7","5","2","1") = "6"
    & skf21("5","2","1","6","7","5","3","1") = "6"
    & skf21("5","2","1","6","7","5","4","1") = "6"
    & skf21("5","2","1","6","7","5","5","1") = "6"
    & skf21("5","2","1","6","7","5","6","1") = "6"
    & skf21("5","2","1","6","7","5","7","1") = "6"
    & skf21("5","2","1","6","7","6","1","1") = "6"
    & skf21("5","2","1","6","7","6","2","1") = "6"
    & skf21("5","2","1","6","7","6","3","1") = "6"
    & skf21("5","2","1","6","7","6","4","1") = "6"
    & skf21("5","2","1","6","7","6","5","1") = "6"
    & skf21("5","2","1","6","7","6","6","1") = "6"
    & skf21("5","2","1","6","7","6","7","1") = "6"
    & skf21("5","2","1","6","7","7","1","1") = "6"
    & skf21("5","2","1","6","7","7","2","1") = "6"
    & skf21("5","2","1","6","7","7","3","1") = "6"
    & skf21("5","2","1","6","7","7","4","1") = "6"
    & skf21("5","2","1","6","7","7","5","1") = "6"
    & skf21("5","2","1","6","7","7","6","1") = "6"
    & skf21("5","2","1","6","7","7","7","1") = "6"
    & skf21("5","2","1","7","1","1","1","1") = "6"
    & skf21("5","2","1","7","1","1","2","1") = "6"
    & skf21("5","2","1","7","1","1","3","1") = "6"
    & skf21("5","2","1","7","1","1","4","1") = "6"
    & skf21("5","2","1","7","1","1","5","1") = "6"
    & skf21("5","2","1","7","1","1","6","1") = "6"
    & skf21("5","2","1","7","1","1","7","1") = "6"
    & skf21("5","2","1","7","1","2","1","1") = "6"
    & skf21("5","2","1","7","1","2","2","1") = "6"
    & skf21("5","2","1","7","1","2","3","1") = "6"
    & skf21("5","2","1","7","1","2","4","1") = "6"
    & skf21("5","2","1","7","1","2","5","1") = "6"
    & skf21("5","2","1","7","1","2","6","1") = "6"
    & skf21("5","2","1","7","1","2","7","1") = "6"
    & skf21("5","2","1","7","1","3","1","1") = "6"
    & skf21("5","2","1","7","1","3","2","1") = "6"
    & skf21("5","2","1","7","1","3","3","1") = "6"
    & skf21("5","2","1","7","1","3","4","1") = "6"
    & skf21("5","2","1","7","1","3","5","1") = "6"
    & skf21("5","2","1","7","1","3","6","1") = "6"
    & skf21("5","2","1","7","1","3","7","1") = "6"
    & skf21("5","2","1","7","1","4","1","1") = "6"
    & skf21("5","2","1","7","1","4","2","1") = "6"
    & skf21("5","2","1","7","1","4","3","1") = "6"
    & skf21("5","2","1","7","1","4","4","1") = "6"
    & skf21("5","2","1","7","1","4","5","1") = "6"
    & skf21("5","2","1","7","1","4","6","1") = "6"
    & skf21("5","2","1","7","1","4","7","1") = "6"
    & skf21("5","2","1","7","1","5","1","1") = "6"
    & skf21("5","2","1","7","1","5","2","1") = "6"
    & skf21("5","2","1","7","1","5","3","1") = "6"
    & skf21("5","2","1","7","1","5","4","1") = "6"
    & skf21("5","2","1","7","1","5","5","1") = "6"
    & skf21("5","2","1","7","1","5","6","1") = "6"
    & skf21("5","2","1","7","1","5","7","1") = "6"
    & skf21("5","2","1","7","1","6","1","1") = "6"
    & skf21("5","2","1","7","1","6","2","1") = "6"
    & skf21("5","2","1","7","1","6","3","1") = "6"
    & skf21("5","2","1","7","1","6","4","1") = "6"
    & skf21("5","2","1","7","1","6","5","1") = "6"
    & skf21("5","2","1","7","1","6","6","1") = "6"
    & skf21("5","2","1","7","1","6","7","1") = "6"
    & skf21("5","2","1","7","1","7","1","1") = "6"
    & skf21("5","2","1","7","1","7","2","1") = "6"
    & skf21("5","2","1","7","1","7","3","1") = "6"
    & skf21("5","2","1","7","1","7","4","1") = "6"
    & skf21("5","2","1","7","1","7","5","1") = "6"
    & skf21("5","2","1","7","1","7","6","1") = "6"
    & skf21("5","2","1","7","1","7","7","1") = "6"
    & skf21("5","2","1","7","2","1","1","1") = "6"
    & skf21("5","2","1","7","2","1","2","1") = "6"
    & skf21("5","2","1","7","2","1","3","1") = "6"
    & skf21("5","2","1","7","2","1","4","1") = "6"
    & skf21("5","2","1","7","2","1","5","1") = "6"
    & skf21("5","2","1","7","2","1","6","1") = "6"
    & skf21("5","2","1","7","2","1","7","1") = "6"
    & skf21("5","2","1","7","2","2","1","1") = "6"
    & skf21("5","2","1","7","2","2","2","1") = "6"
    & skf21("5","2","1","7","2","2","3","1") = "6"
    & skf21("5","2","1","7","2","2","4","1") = "6"
    & skf21("5","2","1","7","2","2","5","1") = "6"
    & skf21("5","2","1","7","2","2","6","1") = "6"
    & skf21("5","2","1","7","2","2","7","1") = "6"
    & skf21("5","2","1","7","2","3","1","1") = "6"
    & skf21("5","2","1","7","2","3","2","1") = "6"
    & skf21("5","2","1","7","2","3","3","1") = "6"
    & skf21("5","2","1","7","2","3","4","1") = "6"
    & skf21("5","2","1","7","2","3","5","1") = "6"
    & skf21("5","2","1","7","2","3","6","1") = "6"
    & skf21("5","2","1","7","2","3","7","1") = "6"
    & skf21("5","2","1","7","2","4","1","1") = "6"
    & skf21("5","2","1","7","2","4","2","1") = "6"
    & skf21("5","2","1","7","2","4","3","1") = "6"
    & skf21("5","2","1","7","2","4","4","1") = "6"
    & skf21("5","2","1","7","2","4","5","1") = "6"
    & skf21("5","2","1","7","2","4","6","1") = "6"
    & skf21("5","2","1","7","2","4","7","1") = "6"
    & skf21("5","2","1","7","2","5","1","1") = "6"
    & skf21("5","2","1","7","2","5","2","1") = "6"
    & skf21("5","2","1","7","2","5","3","1") = "6"
    & skf21("5","2","1","7","2","5","4","1") = "6"
    & skf21("5","2","1","7","2","5","5","1") = "6"
    & skf21("5","2","1","7","2","5","6","1") = "6"
    & skf21("5","2","1","7","2","5","7","1") = "6"
    & skf21("5","2","1","7","2","6","1","1") = "6"
    & skf21("5","2","1","7","2","6","2","1") = "6"
    & skf21("5","2","1","7","2","6","3","1") = "6"
    & skf21("5","2","1","7","2","6","4","1") = "6"
    & skf21("5","2","1","7","2","6","5","1") = "6"
    & skf21("5","2","1","7","2","6","6","1") = "6"
    & skf21("5","2","1","7","2","6","7","1") = "6"
    & skf21("5","2","1","7","2","7","1","1") = "6"
    & skf21("5","2","1","7","2","7","2","1") = "6"
    & skf21("5","2","1","7","2","7","3","1") = "6"
    & skf21("5","2","1","7","2","7","4","1") = "6"
    & skf21("5","2","1","7","2","7","5","1") = "6"
    & skf21("5","2","1","7","2","7","6","1") = "6"
    & skf21("5","2","1","7","2","7","7","1") = "6"
    & skf21("5","2","1","7","3","1","1","1") = "6"
    & skf21("5","2","1","7","3","1","2","1") = "6"
    & skf21("5","2","1","7","3","1","3","1") = "6"
    & skf21("5","2","1","7","3","1","4","1") = "6"
    & skf21("5","2","1","7","3","1","5","1") = "6"
    & skf21("5","2","1","7","3","1","6","1") = "6"
    & skf21("5","2","1","7","3","1","7","1") = "6"
    & skf21("5","2","1","7","3","2","1","1") = "6"
    & skf21("5","2","1","7","3","2","2","1") = "6"
    & skf21("5","2","1","7","3","2","3","1") = "6"
    & skf21("5","2","1","7","3","2","4","1") = "6"
    & skf21("5","2","1","7","3","2","5","1") = "6"
    & skf21("5","2","1","7","3","2","6","1") = "6"
    & skf21("5","2","1","7","3","2","7","1") = "6"
    & skf21("5","2","1","7","3","3","1","1") = "6"
    & skf21("5","2","1","7","3","3","2","1") = "6"
    & skf21("5","2","1","7","3","3","3","1") = "6"
    & skf21("5","2","1","7","3","3","4","1") = "6"
    & skf21("5","2","1","7","3","3","5","1") = "6"
    & skf21("5","2","1","7","3","3","6","1") = "6"
    & skf21("5","2","1","7","3","3","7","1") = "6"
    & skf21("5","2","1","7","3","4","1","1") = "6"
    & skf21("5","2","1","7","3","4","2","1") = "6"
    & skf21("5","2","1","7","3","4","3","1") = "6"
    & skf21("5","2","1","7","3","4","4","1") = "6"
    & skf21("5","2","1","7","3","4","5","1") = "6"
    & skf21("5","2","1","7","3","4","6","1") = "6"
    & skf21("5","2","1","7","3","4","7","1") = "6"
    & skf21("5","2","1","7","3","5","1","1") = "6"
    & skf21("5","2","1","7","3","5","2","1") = "6"
    & skf21("5","2","1","7","3","5","3","1") = "6"
    & skf21("5","2","1","7","3","5","4","1") = "6"
    & skf21("5","2","1","7","3","5","5","1") = "6"
    & skf21("5","2","1","7","3","5","6","1") = "6"
    & skf21("5","2","1","7","3","5","7","1") = "6"
    & skf21("5","2","1","7","3","6","1","1") = "6"
    & skf21("5","2","1","7","3","6","2","1") = "6"
    & skf21("5","2","1","7","3","6","3","1") = "6"
    & skf21("5","2","1","7","3","6","4","1") = "6"
    & skf21("5","2","1","7","3","6","5","1") = "6"
    & skf21("5","2","1","7","3","6","6","1") = "6"
    & skf21("5","2","1","7","3","6","7","1") = "6"
    & skf21("5","2","1","7","3","7","1","1") = "6"
    & skf21("5","2","1","7","3","7","2","1") = "6"
    & skf21("5","2","1","7","3","7","3","1") = "6"
    & skf21("5","2","1","7","3","7","4","1") = "6"
    & skf21("5","2","1","7","3","7","5","1") = "6"
    & skf21("5","2","1","7","3","7","6","1") = "6"
    & skf21("5","2","1","7","3","7","7","1") = "6"
    & skf21("5","2","1","7","4","1","1","1") = "6"
    & skf21("5","2","1","7","4","1","2","1") = "6"
    & skf21("5","2","1","7","4","1","3","1") = "6"
    & skf21("5","2","1","7","4","1","4","1") = "6"
    & skf21("5","2","1","7","4","1","5","1") = "6"
    & skf21("5","2","1","7","4","1","6","1") = "6"
    & skf21("5","2","1","7","4","1","7","1") = "6"
    & skf21("5","2","1","7","4","2","1","1") = "6"
    & skf21("5","2","1","7","4","2","2","1") = "6"
    & skf21("5","2","1","7","4","2","3","1") = "6"
    & skf21("5","2","1","7","4","2","4","1") = "6"
    & skf21("5","2","1","7","4","2","5","1") = "6"
    & skf21("5","2","1","7","4","2","6","1") = "6"
    & skf21("5","2","1","7","4","2","7","1") = "6"
    & skf21("5","2","1","7","4","3","1","1") = "6"
    & skf21("5","2","1","7","4","3","2","1") = "6"
    & skf21("5","2","1","7","4","3","3","1") = "6"
    & skf21("5","2","1","7","4","3","4","1") = "6"
    & skf21("5","2","1","7","4","3","5","1") = "6"
    & skf21("5","2","1","7","4","3","6","1") = "6"
    & skf21("5","2","1","7","4","3","7","1") = "6"
    & skf21("5","2","1","7","4","4","1","1") = "6"
    & skf21("5","2","1","7","4","4","2","1") = "6"
    & skf21("5","2","1","7","4","4","3","1") = "6"
    & skf21("5","2","1","7","4","4","4","1") = "6"
    & skf21("5","2","1","7","4","4","5","1") = "6"
    & skf21("5","2","1","7","4","4","6","1") = "6"
    & skf21("5","2","1","7","4","4","7","1") = "6"
    & skf21("5","2","1","7","4","5","1","1") = "6"
    & skf21("5","2","1","7","4","5","2","1") = "6"
    & skf21("5","2","1","7","4","5","3","1") = "6"
    & skf21("5","2","1","7","4","5","4","1") = "6"
    & skf21("5","2","1","7","4","5","5","1") = "6"
    & skf21("5","2","1","7","4","5","6","1") = "6"
    & skf21("5","2","1","7","4","5","7","1") = "6"
    & skf21("5","2","1","7","4","6","1","1") = "6"
    & skf21("5","2","1","7","4","6","2","1") = "6"
    & skf21("5","2","1","7","4","6","3","1") = "6"
    & skf21("5","2","1","7","4","6","4","1") = "6"
    & skf21("5","2","1","7","4","6","5","1") = "6"
    & skf21("5","2","1","7","4","6","6","1") = "6"
    & skf21("5","2","1","7","4","6","7","1") = "6"
    & skf21("5","2","1","7","4","7","1","1") = "6"
    & skf21("5","2","1","7","4","7","2","1") = "6"
    & skf21("5","2","1","7","4","7","3","1") = "6"
    & skf21("5","2","1","7","4","7","4","1") = "6"
    & skf21("5","2","1","7","4","7","5","1") = "6"
    & skf21("5","2","1","7","4","7","6","1") = "6"
    & skf21("5","2","1","7","4","7","7","1") = "6"
    & skf21("5","2","1","7","5","1","1","1") = "6"
    & skf21("5","2","1","7","5","1","2","1") = "6"
    & skf21("5","2","1","7","5","1","3","1") = "6"
    & skf21("5","2","1","7","5","1","4","1") = "6"
    & skf21("5","2","1","7","5","1","5","1") = "6"
    & skf21("5","2","1","7","5","1","6","1") = "6"
    & skf21("5","2","1","7","5","1","7","1") = "6"
    & skf21("5","2","1","7","5","2","1","1") = "6"
    & skf21("5","2","1","7","5","2","2","1") = "6"
    & skf21("5","2","1","7","5","2","3","1") = "6"
    & skf21("5","2","1","7","5","2","4","1") = "6"
    & skf21("5","2","1","7","5","2","5","1") = "6"
    & skf21("5","2","1","7","5","2","6","1") = "6"
    & skf21("5","2","1","7","5","2","7","1") = "6"
    & skf21("5","2","1","7","5","3","1","1") = "6"
    & skf21("5","2","1","7","5","3","2","1") = "6"
    & skf21("5","2","1","7","5","3","3","1") = "6"
    & skf21("5","2","1","7","5","3","4","1") = "6"
    & skf21("5","2","1","7","5","3","5","1") = "6"
    & skf21("5","2","1","7","5","3","6","1") = "6"
    & skf21("5","2","1","7","5","3","7","1") = "6"
    & skf21("5","2","1","7","5","4","1","1") = "6"
    & skf21("5","2","1","7","5","4","2","1") = "6"
    & skf21("5","2","1","7","5","4","3","1") = "6"
    & skf21("5","2","1","7","5","4","4","1") = "6"
    & skf21("5","2","1","7","5","4","5","1") = "6"
    & skf21("5","2","1","7","5","4","6","1") = "6"
    & skf21("5","2","1","7","5","4","7","1") = "6"
    & skf21("5","2","1","7","5","5","1","1") = "6"
    & skf21("5","2","1","7","5","5","2","1") = "6"
    & skf21("5","2","1","7","5","5","3","1") = "6"
    & skf21("5","2","1","7","5","5","4","1") = "6"
    & skf21("5","2","1","7","5","5","5","1") = "6"
    & skf21("5","2","1","7","5","5","6","1") = "6"
    & skf21("5","2","1","7","5","5","7","1") = "6"
    & skf21("5","2","1","7","5","6","1","1") = "6"
    & skf21("5","2","1","7","5","6","2","1") = "6"
    & skf21("5","2","1","7","5","6","3","1") = "6"
    & skf21("5","2","1","7","5","6","4","1") = "6"
    & skf21("5","2","1","7","5","6","5","1") = "6"
    & skf21("5","2","1","7","5","6","6","1") = "6"
    & skf21("5","2","1","7","5","6","7","1") = "6"
    & skf21("5","2","1","7","5","7","1","1") = "6"
    & skf21("5","2","1","7","5","7","2","1") = "6"
    & skf21("5","2","1","7","5","7","3","1") = "6"
    & skf21("5","2","1","7","5","7","4","1") = "6"
    & skf21("5","2","1","7","5","7","5","1") = "6"
    & skf21("5","2","1","7","5","7","6","1") = "6"
    & skf21("5","2","1","7","5","7","7","1") = "6"
    & skf21("5","2","1","7","6","1","1","1") = "6"
    & skf21("5","2","1","7","6","1","2","1") = "6"
    & skf21("5","2","1","7","6","1","3","1") = "6"
    & skf21("5","2","1","7","6","1","4","1") = "6"
    & skf21("5","2","1","7","6","1","5","1") = "6"
    & skf21("5","2","1","7","6","1","6","1") = "6"
    & skf21("5","2","1","7","6","1","7","1") = "6"
    & skf21("5","2","1","7","6","2","1","1") = "6"
    & skf21("5","2","1","7","6","2","2","1") = "6"
    & skf21("5","2","1","7","6","2","3","1") = "6"
    & skf21("5","2","1","7","6","2","4","1") = "6"
    & skf21("5","2","1","7","6","2","5","1") = "6"
    & skf21("5","2","1","7","6","2","6","1") = "6"
    & skf21("5","2","1","7","6","2","7","1") = "6"
    & skf21("5","2","1","7","6","3","1","1") = "6"
    & skf21("5","2","1","7","6","3","2","1") = "6"
    & skf21("5","2","1","7","6","3","3","1") = "6"
    & skf21("5","2","1","7","6","3","4","1") = "6"
    & skf21("5","2","1","7","6","3","5","1") = "6"
    & skf21("5","2","1","7","6","3","6","1") = "6"
    & skf21("5","2","1","7","6","3","7","1") = "6"
    & skf21("5","2","1","7","6","4","1","1") = "6"
    & skf21("5","2","1","7","6","4","2","1") = "6"
    & skf21("5","2","1","7","6","4","3","1") = "6"
    & skf21("5","2","1","7","6","4","4","1") = "6"
    & skf21("5","2","1","7","6","4","5","1") = "6"
    & skf21("5","2","1","7","6","4","6","1") = "6"
    & skf21("5","2","1","7","6","4","7","1") = "6"
    & skf21("5","2","1","7","6","5","1","1") = "6"
    & skf21("5","2","1","7","6","5","2","1") = "6"
    & skf21("5","2","1","7","6","5","3","1") = "6"
    & skf21("5","2","1","7","6","5","4","1") = "6"
    & skf21("5","2","1","7","6","5","5","1") = "6"
    & skf21("5","2","1","7","6","5","6","1") = "6"
    & skf21("5","2","1","7","6","5","7","1") = "6"
    & skf21("5","2","1","7","6","6","1","1") = "6"
    & skf21("5","2","1","7","6","6","2","1") = "6"
    & skf21("5","2","1","7","6","6","3","1") = "6"
    & skf21("5","2","1","7","6","6","4","1") = "6"
    & skf21("5","2","1","7","6","6","5","1") = "6"
    & skf21("5","2","1","7","6","6","6","1") = "6"
    & skf21("5","2","1","7","6","6","7","1") = "6"
    & skf21("5","2","1","7","6","7","1","1") = "6"
    & skf21("5","2","1","7","6","7","2","1") = "6"
    & skf21("5","2","1","7","6","7","3","1") = "6"
    & skf21("5","2","1","7","6","7","4","1") = "6"
    & skf21("5","2","1","7","6","7","5","1") = "6"
    & skf21("5","2","1","7","6","7","6","1") = "6"
    & skf21("5","2","1","7","6","7","7","1") = "6"
    & skf21("5","2","1","7","7","1","1","1") = "6"
    & skf21("5","2","1","7","7","1","2","1") = "6"
    & skf21("5","2","1","7","7","1","3","1") = "6"
    & skf21("5","2","1","7","7","1","4","1") = "6"
    & skf21("5","2","1","7","7","1","5","1") = "6"
    & skf21("5","2","1","7","7","1","6","1") = "6"
    & skf21("5","2","1","7","7","1","7","1") = "6"
    & skf21("5","2","1","7","7","2","1","1") = "6"
    & skf21("5","2","1","7","7","2","2","1") = "6"
    & skf21("5","2","1","7","7","2","3","1") = "6"
    & skf21("5","2","1","7","7","2","4","1") = "6"
    & skf21("5","2","1","7","7","2","5","1") = "6"
    & skf21("5","2","1","7","7","2","6","1") = "6"
    & skf21("5","2","1","7","7","2","7","1") = "6"
    & skf21("5","2","1","7","7","3","1","1") = "6"
    & skf21("5","2","1","7","7","3","2","1") = "6"
    & skf21("5","2","1","7","7","3","3","1") = "6"
    & skf21("5","2","1","7","7","3","4","1") = "6"
    & skf21("5","2","1","7","7","3","5","1") = "6"
    & skf21("5","2","1","7","7","3","6","1") = "6"
    & skf21("5","2","1","7","7","3","7","1") = "6"
    & skf21("5","2","1","7","7","4","1","1") = "6"
    & skf21("5","2","1","7","7","4","2","1") = "6"
    & skf21("5","2","1","7","7","4","3","1") = "6"
    & skf21("5","2","1","7","7","4","4","1") = "6"
    & skf21("5","2","1","7","7","4","5","1") = "6"
    & skf21("5","2","1","7","7","4","6","1") = "6"
    & skf21("5","2","1","7","7","4","7","1") = "6"
    & skf21("5","2","1","7","7","5","1","1") = "6"
    & skf21("5","2","1","7","7","5","2","1") = "6"
    & skf21("5","2","1","7","7","5","3","1") = "6"
    & skf21("5","2","1","7","7","5","4","1") = "6"
    & skf21("5","2","1","7","7","5","5","1") = "6"
    & skf21("5","2","1","7","7","5","6","1") = "6"
    & skf21("5","2","1","7","7","5","7","1") = "6"
    & skf21("5","2","1","7","7","6","1","1") = "6"
    & skf21("5","2","1","7","7","6","2","1") = "6"
    & skf21("5","2","1","7","7","6","3","1") = "6"
    & skf21("5","2","1","7","7","6","4","1") = "6"
    & skf21("5","2","1","7","7","6","5","1") = "6"
    & skf21("5","2","1","7","7","6","6","1") = "6"
    & skf21("5","2","1","7","7","6","7","1") = "6"
    & skf21("5","2","1","7","7","7","1","1") = "6"
    & skf21("5","2","1","7","7","7","2","1") = "6"
    & skf21("5","2","1","7","7","7","3","1") = "6"
    & skf21("5","2","1","7","7","7","4","1") = "6"
    & skf21("5","2","1","7","7","7","5","1") = "6"
    & skf21("5","2","1","7","7","7","6","1") = "6"
    & skf21("5","2","1","7","7","7","7","1") = "6"
    & skf21("5","2","2","1","1","1","1","1") = "4"
    & skf21("5","2","2","1","1","1","2","1") = "4"
    & skf21("5","2","2","1","1","1","3","1") = "4"
    & skf21("5","2","2","1","1","1","4","1") = "4"
    & skf21("5","2","2","1","1","1","5","1") = "4"
    & skf21("5","2","2","1","1","1","6","1") = "5"
    & skf21("5","2","2","1","1","1","7","1") = "6"
    & skf21("5","2","2","1","1","2","1","1") = "4"
    & skf21("5","2","2","1","1","2","2","1") = "4"
    & skf21("5","2","2","1","1","2","3","1") = "4"
    & skf21("5","2","2","1","1","2","4","1") = "4"
    & skf21("5","2","2","1","1","2","5","1") = "4"
    & skf21("5","2","2","1","1","2","6","1") = "5"
    & skf21("5","2","2","1","1","2","7","1") = "6"
    & skf21("5","2","2","1","1","3","1","1") = "4"
    & skf21("5","2","2","1","1","3","2","1") = "4"
    & skf21("5","2","2","1","1","3","3","1") = "4"
    & skf21("5","2","2","1","1","3","4","1") = "4"
    & skf21("5","2","2","1","1","3","5","1") = "4"
    & skf21("5","2","2","1","1","3","6","1") = "5"
    & skf21("5","2","2","1","1","3","7","1") = "6"
    & skf21("5","2","2","1","1","4","1","1") = "4"
    & skf21("5","2","2","1","1","4","2","1") = "4"
    & skf21("5","2","2","1","1","4","3","1") = "4"
    & skf21("5","2","2","1","1","4","4","1") = "4"
    & skf21("5","2","2","1","1","4","5","1") = "4"
    & skf21("5","2","2","1","1","4","6","1") = "5"
    & skf21("5","2","2","1","1","4","7","1") = "6"
    & skf21("5","2","2","1","1","5","1","1") = "4"
    & skf21("5","2","2","1","1","5","2","1") = "4"
    & skf21("5","2","2","1","1","5","3","1") = "4"
    & skf21("5","2","2","1","1","5","4","1") = "4"
    & skf21("5","2","2","1","1","5","5","1") = "4"
    & skf21("5","2","2","1","1","5","6","1") = "5"
    & skf21("5","2","2","1","1","5","7","1") = "6"
    & skf21("5","2","2","1","1","6","1","1") = "5"
    & skf21("5","2","2","1","1","6","2","1") = "5"
    & skf21("5","2","2","1","1","6","3","1") = "5"
    & skf21("5","2","2","1","1","6","4","1") = "5"
    & skf21("5","2","2","1","1","6","5","1") = "5"
    & skf21("5","2","2","1","1","6","6","1") = "5"
    & skf21("5","2","2","1","1","6","7","1") = "6"
    & skf21("5","2","2","1","1","7","1","1") = "6"
    & skf21("5","2","2","1","1","7","2","1") = "6"
    & skf21("5","2","2","1","1","7","3","1") = "6"
    & skf21("5","2","2","1","1","7","4","1") = "6"
    & skf21("5","2","2","1","1","7","5","1") = "6"
    & skf21("5","2","2","1","1","7","6","1") = "6"
    & skf21("5","2","2","1","1","7","7","1") = "6"
    & skf21("5","2","2","1","2","1","1","1") = "4"
    & skf21("5","2","2","1","2","1","2","1") = "4"
    & skf21("5","2","2","1","2","1","3","1") = "4"
    & skf21("5","2","2","1","2","1","4","1") = "4"
    & skf21("5","2","2","1","2","1","5","1") = "4"
    & skf21("5","2","2","1","2","1","6","1") = "5"
    & skf21("5","2","2","1","2","1","7","1") = "6"
    & skf21("5","2","2","1","2","2","1","1") = "4"
    & skf21("5","2","2","1","2","2","2","1") = "4"
    & skf21("5","2","2","1","2","2","3","1") = "4"
    & skf21("5","2","2","1","2","2","4","1") = "4"
    & skf21("5","2","2","1","2","2","5","1") = "4"
    & skf21("5","2","2","1","2","2","6","1") = "5"
    & skf21("5","2","2","1","2","2","7","1") = "6"
    & skf21("5","2","2","1","2","3","1","1") = "4"
    & skf21("5","2","2","1","2","3","2","1") = "4"
    & skf21("5","2","2","1","2","3","3","1") = "4"
    & skf21("5","2","2","1","2","3","4","1") = "4"
    & skf21("5","2","2","1","2","3","5","1") = "4"
    & skf21("5","2","2","1","2","3","6","1") = "5"
    & skf21("5","2","2","1","2","3","7","1") = "6"
    & skf21("5","2","2","1","2","4","1","1") = "4"
    & skf21("5","2","2","1","2","4","2","1") = "4"
    & skf21("5","2","2","1","2","4","3","1") = "4"
    & skf21("5","2","2","1","2","4","4","1") = "4"
    & skf21("5","2","2","1","2","4","5","1") = "4"
    & skf21("5","2","2","1","2","4","6","1") = "5"
    & skf21("5","2","2","1","2","4","7","1") = "6"
    & skf21("5","2","2","1","2","5","1","1") = "4"
    & skf21("5","2","2","1","2","5","2","1") = "4"
    & skf21("5","2","2","1","2","5","3","1") = "4"
    & skf21("5","2","2","1","2","5","4","1") = "4"
    & skf21("5","2","2","1","2","5","5","1") = "4"
    & skf21("5","2","2","1","2","5","6","1") = "5"
    & skf21("5","2","2","1","2","5","7","1") = "6"
    & skf21("5","2","2","1","2","6","1","1") = "5"
    & skf21("5","2","2","1","2","6","2","1") = "5"
    & skf21("5","2","2","1","2","6","3","1") = "5"
    & skf21("5","2","2","1","2","6","4","1") = "5"
    & skf21("5","2","2","1","2","6","5","1") = "5"
    & skf21("5","2","2","1","2","6","6","1") = "5"
    & skf21("5","2","2","1","2","6","7","1") = "6"
    & skf21("5","2","2","1","2","7","1","1") = "6"
    & skf21("5","2","2","1","2","7","2","1") = "6"
    & skf21("5","2","2","1","2","7","3","1") = "6"
    & skf21("5","2","2","1","2","7","4","1") = "6"
    & skf21("5","2","2","1","2","7","5","1") = "6"
    & skf21("5","2","2","1","2","7","6","1") = "6"
    & skf21("5","2","2","1","2","7","7","1") = "6"
    & skf21("5","2","2","1","3","1","1","1") = "4"
    & skf21("5","2","2","1","3","1","2","1") = "4"
    & skf21("5","2","2","1","3","1","3","1") = "4"
    & skf21("5","2","2","1","3","1","4","1") = "4"
    & skf21("5","2","2","1","3","1","5","1") = "4"
    & skf21("5","2","2","1","3","1","6","1") = "5"
    & skf21("5","2","2","1","3","1","7","1") = "6"
    & skf21("5","2","2","1","3","2","1","1") = "4"
    & skf21("5","2","2","1","3","2","2","1") = "4"
    & skf21("5","2","2","1","3","2","3","1") = "4"
    & skf21("5","2","2","1","3","2","4","1") = "4"
    & skf21("5","2","2","1","3","2","5","1") = "4"
    & skf21("5","2","2","1","3","2","6","1") = "5"
    & skf21("5","2","2","1","3","2","7","1") = "6"
    & skf21("5","2","2","1","3","3","1","1") = "4"
    & skf21("5","2","2","1","3","3","2","1") = "4"
    & skf21("5","2","2","1","3","3","3","1") = "4"
    & skf21("5","2","2","1","3","3","4","1") = "4"
    & skf21("5","2","2","1","3","3","5","1") = "4"
    & skf21("5","2","2","1","3","3","6","1") = "5"
    & skf21("5","2","2","1","3","3","7","1") = "6"
    & skf21("5","2","2","1","3","4","1","1") = "4"
    & skf21("5","2","2","1","3","4","2","1") = "4"
    & skf21("5","2","2","1","3","4","3","1") = "4"
    & skf21("5","2","2","1","3","4","4","1") = "4"
    & skf21("5","2","2","1","3","4","5","1") = "4"
    & skf21("5","2","2","1","3","4","6","1") = "5"
    & skf21("5","2","2","1","3","4","7","1") = "6"
    & skf21("5","2","2","1","3","5","1","1") = "4"
    & skf21("5","2","2","1","3","5","2","1") = "4"
    & skf21("5","2","2","1","3","5","3","1") = "4"
    & skf21("5","2","2","1","3","5","4","1") = "4"
    & skf21("5","2","2","1","3","5","5","1") = "4"
    & skf21("5","2","2","1","3","5","6","1") = "5"
    & skf21("5","2","2","1","3","5","7","1") = "6"
    & skf21("5","2","2","1","3","6","1","1") = "5"
    & skf21("5","2","2","1","3","6","2","1") = "5"
    & skf21("5","2","2","1","3","6","3","1") = "5"
    & skf21("5","2","2","1","3","6","4","1") = "5"
    & skf21("5","2","2","1","3","6","5","1") = "5"
    & skf21("5","2","2","1","3","6","6","1") = "5"
    & skf21("5","2","2","1","3","6","7","1") = "6"
    & skf21("5","2","2","1","3","7","1","1") = "6"
    & skf21("5","2","2","1","3","7","2","1") = "6"
    & skf21("5","2","2","1","3","7","3","1") = "6"
    & skf21("5","2","2","1","3","7","4","1") = "6"
    & skf21("5","2","2","1","3","7","5","1") = "6"
    & skf21("5","2","2","1","3","7","6","1") = "6"
    & skf21("5","2","2","1","3","7","7","1") = "6"
    & skf21("5","2","2","1","4","1","1","1") = "4"
    & skf21("5","2","2","1","4","1","2","1") = "4"
    & skf21("5","2","2","1","4","1","3","1") = "4"
    & skf21("5","2","2","1","4","1","4","1") = "4"
    & skf21("5","2","2","1","4","1","5","1") = "4"
    & skf21("5","2","2","1","4","1","6","1") = "5"
    & skf21("5","2","2","1","4","1","7","1") = "6"
    & skf21("5","2","2","1","4","2","1","1") = "4"
    & skf21("5","2","2","1","4","2","2","1") = "4"
    & skf21("5","2","2","1","4","2","3","1") = "4"
    & skf21("5","2","2","1","4","2","4","1") = "4"
    & skf21("5","2","2","1","4","2","5","1") = "4"
    & skf21("5","2","2","1","4","2","6","1") = "5"
    & skf21("5","2","2","1","4","2","7","1") = "6"
    & skf21("5","2","2","1","4","3","1","1") = "4"
    & skf21("5","2","2","1","4","3","2","1") = "4"
    & skf21("5","2","2","1","4","3","3","1") = "4"
    & skf21("5","2","2","1","4","3","4","1") = "4"
    & skf21("5","2","2","1","4","3","5","1") = "4"
    & skf21("5","2","2","1","4","3","6","1") = "5"
    & skf21("5","2","2","1","4","3","7","1") = "6"
    & skf21("5","2","2","1","4","4","1","1") = "4"
    & skf21("5","2","2","1","4","4","2","1") = "4"
    & skf21("5","2","2","1","4","4","3","1") = "4"
    & skf21("5","2","2","1","4","4","4","1") = "4"
    & skf21("5","2","2","1","4","4","5","1") = "4"
    & skf21("5","2","2","1","4","4","6","1") = "5"
    & skf21("5","2","2","1","4","4","7","1") = "6"
    & skf21("5","2","2","1","4","5","1","1") = "4"
    & skf21("5","2","2","1","4","5","2","1") = "4"
    & skf21("5","2","2","1","4","5","3","1") = "4"
    & skf21("5","2","2","1","4","5","4","1") = "4"
    & skf21("5","2","2","1","4","5","5","1") = "4"
    & skf21("5","2","2","1","4","5","6","1") = "5"
    & skf21("5","2","2","1","4","5","7","1") = "6"
    & skf21("5","2","2","1","4","6","1","1") = "5"
    & skf21("5","2","2","1","4","6","2","1") = "5"
    & skf21("5","2","2","1","4","6","3","1") = "5"
    & skf21("5","2","2","1","4","6","4","1") = "5"
    & skf21("5","2","2","1","4","6","5","1") = "5"
    & skf21("5","2","2","1","4","6","6","1") = "5"
    & skf21("5","2","2","1","4","6","7","1") = "6"
    & skf21("5","2","2","1","4","7","1","1") = "6"
    & skf21("5","2","2","1","4","7","2","1") = "6"
    & skf21("5","2","2","1","4","7","3","1") = "6"
    & skf21("5","2","2","1","4","7","4","1") = "6"
    & skf21("5","2","2","1","4","7","5","1") = "6"
    & skf21("5","2","2","1","4","7","6","1") = "6"
    & skf21("5","2","2","1","4","7","7","1") = "6"
    & skf21("5","2","2","1","5","1","1","1") = "4"
    & skf21("5","2","2","1","5","1","2","1") = "4"
    & skf21("5","2","2","1","5","1","3","1") = "4"
    & skf21("5","2","2","1","5","1","4","1") = "4"
    & skf21("5","2","2","1","5","1","5","1") = "4"
    & skf21("5","2","2","1","5","1","6","1") = "5"
    & skf21("5","2","2","1","5","1","7","1") = "6"
    & skf21("5","2","2","1","5","2","1","1") = "4"
    & skf21("5","2","2","1","5","2","2","1") = "4"
    & skf21("5","2","2","1","5","2","3","1") = "4"
    & skf21("5","2","2","1","5","2","4","1") = "4"
    & skf21("5","2","2","1","5","2","5","1") = "4"
    & skf21("5","2","2","1","5","2","6","1") = "5"
    & skf21("5","2","2","1","5","2","7","1") = "6"
    & skf21("5","2","2","1","5","3","1","1") = "4"
    & skf21("5","2","2","1","5","3","2","1") = "4"
    & skf21("5","2","2","1","5","3","3","1") = "4"
    & skf21("5","2","2","1","5","3","4","1") = "4"
    & skf21("5","2","2","1","5","3","5","1") = "4"
    & skf21("5","2","2","1","5","3","6","1") = "5"
    & skf21("5","2","2","1","5","3","7","1") = "6"
    & skf21("5","2","2","1","5","4","1","1") = "4"
    & skf21("5","2","2","1","5","4","2","1") = "4"
    & skf21("5","2","2","1","5","4","3","1") = "4"
    & skf21("5","2","2","1","5","4","4","1") = "4"
    & skf21("5","2","2","1","5","4","5","1") = "4"
    & skf21("5","2","2","1","5","4","6","1") = "5"
    & skf21("5","2","2","1","5","4","7","1") = "6"
    & skf21("5","2","2","1","5","5","1","1") = "4"
    & skf21("5","2","2","1","5","5","2","1") = "4"
    & skf21("5","2","2","1","5","5","3","1") = "4"
    & skf21("5","2","2","1","5","5","4","1") = "4"
    & skf21("5","2","2","1","5","5","5","1") = "4"
    & skf21("5","2","2","1","5","5","6","1") = "5"
    & skf21("5","2","2","1","5","5","7","1") = "6"
    & skf21("5","2","2","1","5","6","1","1") = "5"
    & skf21("5","2","2","1","5","6","2","1") = "5"
    & skf21("5","2","2","1","5","6","3","1") = "5"
    & skf21("5","2","2","1","5","6","4","1") = "5"
    & skf21("5","2","2","1","5","6","5","1") = "5"
    & skf21("5","2","2","1","5","6","6","1") = "5"
    & skf21("5","2","2","1","5","6","7","1") = "6"
    & skf21("5","2","2","1","5","7","1","1") = "6"
    & skf21("5","2","2","1","5","7","2","1") = "6"
    & skf21("5","2","2","1","5","7","3","1") = "6"
    & skf21("5","2","2","1","5","7","4","1") = "6"
    & skf21("5","2","2","1","5","7","5","1") = "6"
    & skf21("5","2","2","1","5","7","6","1") = "6"
    & skf21("5","2","2","1","5","7","7","1") = "6"
    & skf21("5","2","2","1","6","1","1","1") = "5"
    & skf21("5","2","2","1","6","1","2","1") = "5"
    & skf21("5","2","2","1","6","1","3","1") = "5"
    & skf21("5","2","2","1","6","1","4","1") = "5"
    & skf21("5","2","2","1","6","1","5","1") = "5"
    & skf21("5","2","2","1","6","1","6","1") = "5"
    & skf21("5","2","2","1","6","1","7","1") = "6"
    & skf21("5","2","2","1","6","2","1","1") = "5"
    & skf21("5","2","2","1","6","2","2","1") = "5"
    & skf21("5","2","2","1","6","2","3","1") = "5"
    & skf21("5","2","2","1","6","2","4","1") = "5"
    & skf21("5","2","2","1","6","2","5","1") = "5"
    & skf21("5","2","2","1","6","2","6","1") = "5"
    & skf21("5","2","2","1","6","2","7","1") = "6"
    & skf21("5","2","2","1","6","3","1","1") = "5"
    & skf21("5","2","2","1","6","3","2","1") = "5"
    & skf21("5","2","2","1","6","3","3","1") = "5"
    & skf21("5","2","2","1","6","3","4","1") = "5"
    & skf21("5","2","2","1","6","3","5","1") = "5"
    & skf21("5","2","2","1","6","3","6","1") = "5"
    & skf21("5","2","2","1","6","3","7","1") = "6"
    & skf21("5","2","2","1","6","4","1","1") = "5"
    & skf21("5","2","2","1","6","4","2","1") = "5"
    & skf21("5","2","2","1","6","4","3","1") = "5"
    & skf21("5","2","2","1","6","4","4","1") = "5"
    & skf21("5","2","2","1","6","4","5","1") = "5"
    & skf21("5","2","2","1","6","4","6","1") = "5"
    & skf21("5","2","2","1","6","4","7","1") = "6"
    & skf21("5","2","2","1","6","5","1","1") = "5"
    & skf21("5","2","2","1","6","5","2","1") = "5"
    & skf21("5","2","2","1","6","5","3","1") = "5"
    & skf21("5","2","2","1","6","5","4","1") = "5"
    & skf21("5","2","2","1","6","5","5","1") = "5"
    & skf21("5","2","2","1","6","5","6","1") = "5"
    & skf21("5","2","2","1","6","5","7","1") = "6"
    & skf21("5","2","2","1","6","6","1","1") = "5"
    & skf21("5","2","2","1","6","6","2","1") = "5"
    & skf21("5","2","2","1","6","6","3","1") = "5"
    & skf21("5","2","2","1","6","6","4","1") = "5"
    & skf21("5","2","2","1","6","6","5","1") = "5"
    & skf21("5","2","2","1","6","6","6","1") = "5"
    & skf21("5","2","2","1","6","6","7","1") = "6"
    & skf21("5","2","2","1","6","7","1","1") = "6"
    & skf21("5","2","2","1","6","7","2","1") = "6"
    & skf21("5","2","2","1","6","7","3","1") = "6"
    & skf21("5","2","2","1","6","7","4","1") = "6"
    & skf21("5","2","2","1","6","7","5","1") = "6"
    & skf21("5","2","2","1","6","7","6","1") = "6"
    & skf21("5","2","2","1","6","7","7","1") = "6"
    & skf21("5","2","2","1","7","1","1","1") = "6"
    & skf21("5","2","2","1","7","1","2","1") = "6"
    & skf21("5","2","2","1","7","1","3","1") = "6"
    & skf21("5","2","2","1","7","1","4","1") = "6"
    & skf21("5","2","2","1","7","1","5","1") = "6"
    & skf21("5","2","2","1","7","1","6","1") = "6"
    & skf21("5","2","2","1","7","1","7","1") = "6"
    & skf21("5","2","2","1","7","2","1","1") = "6"
    & skf21("5","2","2","1","7","2","2","1") = "6"
    & skf21("5","2","2","1","7","2","3","1") = "6"
    & skf21("5","2","2","1","7","2","4","1") = "6"
    & skf21("5","2","2","1","7","2","5","1") = "6"
    & skf21("5","2","2","1","7","2","6","1") = "6"
    & skf21("5","2","2","1","7","2","7","1") = "6"
    & skf21("5","2","2","1","7","3","1","1") = "6"
    & skf21("5","2","2","1","7","3","2","1") = "6"
    & skf21("5","2","2","1","7","3","3","1") = "6"
    & skf21("5","2","2","1","7","3","4","1") = "6"
    & skf21("5","2","2","1","7","3","5","1") = "6"
    & skf21("5","2","2","1","7","3","6","1") = "6"
    & skf21("5","2","2","1","7","3","7","1") = "6"
    & skf21("5","2","2","1","7","4","1","1") = "6"
    & skf21("5","2","2","1","7","4","2","1") = "6"
    & skf21("5","2","2","1","7","4","3","1") = "6"
    & skf21("5","2","2","1","7","4","4","1") = "6"
    & skf21("5","2","2","1","7","4","5","1") = "6"
    & skf21("5","2","2","1","7","4","6","1") = "6"
    & skf21("5","2","2","1","7","4","7","1") = "6"
    & skf21("5","2","2","1","7","5","1","1") = "6"
    & skf21("5","2","2","1","7","5","2","1") = "6"
    & skf21("5","2","2","1","7","5","3","1") = "6"
    & skf21("5","2","2","1","7","5","4","1") = "6"
    & skf21("5","2","2","1","7","5","5","1") = "6"
    & skf21("5","2","2","1","7","5","6","1") = "6"
    & skf21("5","2","2","1","7","5","7","1") = "6"
    & skf21("5","2","2","1","7","6","1","1") = "6"
    & skf21("5","2","2","1","7","6","2","1") = "6"
    & skf21("5","2","2","1","7","6","3","1") = "6"
    & skf21("5","2","2","1","7","6","4","1") = "6"
    & skf21("5","2","2","1","7","6","5","1") = "6"
    & skf21("5","2","2","1","7","6","6","1") = "6"
    & skf21("5","2","2","1","7","6","7","1") = "6"
    & skf21("5","2","2","1","7","7","1","1") = "6"
    & skf21("5","2","2","1","7","7","2","1") = "6"
    & skf21("5","2","2","1","7","7","3","1") = "6"
    & skf21("5","2","2","1","7","7","4","1") = "6"
    & skf21("5","2","2","1","7","7","5","1") = "6"
    & skf21("5","2","2","1","7","7","6","1") = "6"
    & skf21("5","2","2","1","7","7","7","1") = "6"
    & skf21("5","2","2","2","1","1","1","1") = "4"
    & skf21("5","2","2","2","1","1","2","1") = "4"
    & skf21("5","2","2","2","1","1","3","1") = "4"
    & skf21("5","2","2","2","1","1","4","1") = "4"
    & skf21("5","2","2","2","1","1","5","1") = "4"
    & skf21("5","2","2","2","1","1","6","1") = "5"
    & skf21("5","2","2","2","1","1","7","1") = "6"
    & skf21("5","2","2","2","1","2","1","1") = "4"
    & skf21("5","2","2","2","1","2","2","1") = "4"
    & skf21("5","2","2","2","1","2","3","1") = "4"
    & skf21("5","2","2","2","1","2","4","1") = "4"
    & skf21("5","2","2","2","1","2","5","1") = "4"
    & skf21("5","2","2","2","1","2","6","1") = "5"
    & skf21("5","2","2","2","1","2","7","1") = "6"
    & skf21("5","2","2","2","1","3","1","1") = "4"
    & skf21("5","2","2","2","1","3","2","1") = "4"
    & skf21("5","2","2","2","1","3","3","1") = "4"
    & skf21("5","2","2","2","1","3","4","1") = "4"
    & skf21("5","2","2","2","1","3","5","1") = "4"
    & skf21("5","2","2","2","1","3","6","1") = "5"
    & skf21("5","2","2","2","1","3","7","1") = "6"
    & skf21("5","2","2","2","1","4","1","1") = "4"
    & skf21("5","2","2","2","1","4","2","1") = "4"
    & skf21("5","2","2","2","1","4","3","1") = "4"
    & skf21("5","2","2","2","1","4","4","1") = "4"
    & skf21("5","2","2","2","1","4","5","1") = "4"
    & skf21("5","2","2","2","1","4","6","1") = "5"
    & skf21("5","2","2","2","1","4","7","1") = "6"
    & skf21("5","2","2","2","1","5","1","1") = "4"
    & skf21("5","2","2","2","1","5","2","1") = "4"
    & skf21("5","2","2","2","1","5","3","1") = "4"
    & skf21("5","2","2","2","1","5","4","1") = "4"
    & skf21("5","2","2","2","1","5","5","1") = "4"
    & skf21("5","2","2","2","1","5","6","1") = "5"
    & skf21("5","2","2","2","1","5","7","1") = "6"
    & skf21("5","2","2","2","1","6","1","1") = "5"
    & skf21("5","2","2","2","1","6","2","1") = "5"
    & skf21("5","2","2","2","1","6","3","1") = "5"
    & skf21("5","2","2","2","1","6","4","1") = "5"
    & skf21("5","2","2","2","1","6","5","1") = "5"
    & skf21("5","2","2","2","1","6","6","1") = "5"
    & skf21("5","2","2","2","1","6","7","1") = "6"
    & skf21("5","2","2","2","1","7","1","1") = "6"
    & skf21("5","2","2","2","1","7","2","1") = "6"
    & skf21("5","2","2","2","1","7","3","1") = "6"
    & skf21("5","2","2","2","1","7","4","1") = "6"
    & skf21("5","2","2","2","1","7","5","1") = "6"
    & skf21("5","2","2","2","1","7","6","1") = "6"
    & skf21("5","2","2","2","1","7","7","1") = "6"
    & skf21("5","2","2","2","2","1","1","1") = "4"
    & skf21("5","2","2","2","2","1","2","1") = "4"
    & skf21("5","2","2","2","2","1","3","1") = "4"
    & skf21("5","2","2","2","2","1","4","1") = "4"
    & skf21("5","2","2","2","2","1","5","1") = "4"
    & skf21("5","2","2","2","2","1","6","1") = "5"
    & skf21("5","2","2","2","2","1","7","1") = "6"
    & skf21("5","2","2","2","2","2","1","1") = "4"
    & skf21("5","2","2","2","2","2","2","1") = "4"
    & skf21("5","2","2","2","2","2","3","1") = "4"
    & skf21("5","2","2","2","2","2","4","1") = "4"
    & skf21("5","2","2","2","2","2","5","1") = "4"
    & skf21("5","2","2","2","2","2","6","1") = "5"
    & skf21("5","2","2","2","2","2","7","1") = "6"
    & skf21("5","2","2","2","2","3","1","1") = "4"
    & skf21("5","2","2","2","2","3","2","1") = "4"
    & skf21("5","2","2","2","2","3","3","1") = "4"
    & skf21("5","2","2","2","2","3","4","1") = "4"
    & skf21("5","2","2","2","2","3","5","1") = "4"
    & skf21("5","2","2","2","2","3","6","1") = "5"
    & skf21("5","2","2","2","2","3","7","1") = "6"
    & skf21("5","2","2","2","2","4","1","1") = "4"
    & skf21("5","2","2","2","2","4","2","1") = "4"
    & skf21("5","2","2","2","2","4","3","1") = "4"
    & skf21("5","2","2","2","2","4","4","1") = "4"
    & skf21("5","2","2","2","2","4","5","1") = "4"
    & skf21("5","2","2","2","2","4","6","1") = "5"
    & skf21("5","2","2","2","2","4","7","1") = "6"
    & skf21("5","2","2","2","2","5","1","1") = "4"
    & skf21("5","2","2","2","2","5","2","1") = "4"
    & skf21("5","2","2","2","2","5","3","1") = "4"
    & skf21("5","2","2","2","2","5","4","1") = "4"
    & skf21("5","2","2","2","2","5","5","1") = "4"
    & skf21("5","2","2","2","2","5","6","1") = "5"
    & skf21("5","2","2","2","2","5","7","1") = "6"
    & skf21("5","2","2","2","2","6","1","1") = "5"
    & skf21("5","2","2","2","2","6","2","1") = "5"
    & skf21("5","2","2","2","2","6","3","1") = "5"
    & skf21("5","2","2","2","2","6","4","1") = "5"
    & skf21("5","2","2","2","2","6","5","1") = "5"
    & skf21("5","2","2","2","2","6","6","1") = "5"
    & skf21("5","2","2","2","2","6","7","1") = "6"
    & skf21("5","2","2","2","2","7","1","1") = "6"
    & skf21("5","2","2","2","2","7","2","1") = "6"
    & skf21("5","2","2","2","2","7","3","1") = "6"
    & skf21("5","2","2","2","2","7","4","1") = "6"
    & skf21("5","2","2","2","2","7","5","1") = "6"
    & skf21("5","2","2","2","2","7","6","1") = "6"
    & skf21("5","2","2","2","2","7","7","1") = "6"
    & skf21("5","2","2","2","3","1","1","1") = "4"
    & skf21("5","2","2","2","3","1","2","1") = "4"
    & skf21("5","2","2","2","3","1","3","1") = "4"
    & skf21("5","2","2","2","3","1","4","1") = "4"
    & skf21("5","2","2","2","3","1","5","1") = "4"
    & skf21("5","2","2","2","3","1","6","1") = "5"
    & skf21("5","2","2","2","3","1","7","1") = "6"
    & skf21("5","2","2","2","3","2","1","1") = "4"
    & skf21("5","2","2","2","3","2","2","1") = "4"
    & skf21("5","2","2","2","3","2","3","1") = "4"
    & skf21("5","2","2","2","3","2","4","1") = "4"
    & skf21("5","2","2","2","3","2","5","1") = "4"
    & skf21("5","2","2","2","3","2","6","1") = "5"
    & skf21("5","2","2","2","3","2","7","1") = "6"
    & skf21("5","2","2","2","3","3","1","1") = "4"
    & skf21("5","2","2","2","3","3","2","1") = "4"
    & skf21("5","2","2","2","3","3","3","1") = "4"
    & skf21("5","2","2","2","3","3","4","1") = "4"
    & skf21("5","2","2","2","3","3","5","1") = "4"
    & skf21("5","2","2","2","3","3","6","1") = "5"
    & skf21("5","2","2","2","3","3","7","1") = "6"
    & skf21("5","2","2","2","3","4","1","1") = "4"
    & skf21("5","2","2","2","3","4","2","1") = "4"
    & skf21("5","2","2","2","3","4","3","1") = "4"
    & skf21("5","2","2","2","3","4","4","1") = "4"
    & skf21("5","2","2","2","3","4","5","1") = "4"
    & skf21("5","2","2","2","3","4","6","1") = "5"
    & skf21("5","2","2","2","3","4","7","1") = "6"
    & skf21("5","2","2","2","3","5","1","1") = "4"
    & skf21("5","2","2","2","3","5","2","1") = "4"
    & skf21("5","2","2","2","3","5","3","1") = "4"
    & skf21("5","2","2","2","3","5","4","1") = "4"
    & skf21("5","2","2","2","3","5","5","1") = "4"
    & skf21("5","2","2","2","3","5","6","1") = "5"
    & skf21("5","2","2","2","3","5","7","1") = "6"
    & skf21("5","2","2","2","3","6","1","1") = "5"
    & skf21("5","2","2","2","3","6","2","1") = "5"
    & skf21("5","2","2","2","3","6","3","1") = "5"
    & skf21("5","2","2","2","3","6","4","1") = "5"
    & skf21("5","2","2","2","3","6","5","1") = "5"
    & skf21("5","2","2","2","3","6","6","1") = "5"
    & skf21("5","2","2","2","3","6","7","1") = "6"
    & skf21("5","2","2","2","3","7","1","1") = "6"
    & skf21("5","2","2","2","3","7","2","1") = "6"
    & skf21("5","2","2","2","3","7","3","1") = "6"
    & skf21("5","2","2","2","3","7","4","1") = "6"
    & skf21("5","2","2","2","3","7","5","1") = "6"
    & skf21("5","2","2","2","3","7","6","1") = "6"
    & skf21("5","2","2","2","3","7","7","1") = "6"
    & skf21("5","2","2","2","4","1","1","1") = "4"
    & skf21("5","2","2","2","4","1","2","1") = "4"
    & skf21("5","2","2","2","4","1","3","1") = "4"
    & skf21("5","2","2","2","4","1","4","1") = "4"
    & skf21("5","2","2","2","4","1","5","1") = "4"
    & skf21("5","2","2","2","4","1","6","1") = "5"
    & skf21("5","2","2","2","4","1","7","1") = "6"
    & skf21("5","2","2","2","4","2","1","1") = "4"
    & skf21("5","2","2","2","4","2","2","1") = "4"
    & skf21("5","2","2","2","4","2","3","1") = "4"
    & skf21("5","2","2","2","4","2","4","1") = "4"
    & skf21("5","2","2","2","4","2","5","1") = "4"
    & skf21("5","2","2","2","4","2","6","1") = "5"
    & skf21("5","2","2","2","4","2","7","1") = "6"
    & skf21("5","2","2","2","4","3","1","1") = "4"
    & skf21("5","2","2","2","4","3","2","1") = "4"
    & skf21("5","2","2","2","4","3","3","1") = "4"
    & skf21("5","2","2","2","4","3","4","1") = "4"
    & skf21("5","2","2","2","4","3","5","1") = "4"
    & skf21("5","2","2","2","4","3","6","1") = "5"
    & skf21("5","2","2","2","4","3","7","1") = "6"
    & skf21("5","2","2","2","4","4","1","1") = "4"
    & skf21("5","2","2","2","4","4","2","1") = "4"
    & skf21("5","2","2","2","4","4","3","1") = "4"
    & skf21("5","2","2","2","4","4","4","1") = "4"
    & skf21("5","2","2","2","4","4","5","1") = "4"
    & skf21("5","2","2","2","4","4","6","1") = "5"
    & skf21("5","2","2","2","4","4","7","1") = "6"
    & skf21("5","2","2","2","4","5","1","1") = "4"
    & skf21("5","2","2","2","4","5","2","1") = "4"
    & skf21("5","2","2","2","4","5","3","1") = "4"
    & skf21("5","2","2","2","4","5","4","1") = "4"
    & skf21("5","2","2","2","4","5","5","1") = "4"
    & skf21("5","2","2","2","4","5","6","1") = "5"
    & skf21("5","2","2","2","4","5","7","1") = "6"
    & skf21("5","2","2","2","4","6","1","1") = "5"
    & skf21("5","2","2","2","4","6","2","1") = "5"
    & skf21("5","2","2","2","4","6","3","1") = "5"
    & skf21("5","2","2","2","4","6","4","1") = "5"
    & skf21("5","2","2","2","4","6","5","1") = "5"
    & skf21("5","2","2","2","4","6","6","1") = "5"
    & skf21("5","2","2","2","4","6","7","1") = "6"
    & skf21("5","2","2","2","4","7","1","1") = "6"
    & skf21("5","2","2","2","4","7","2","1") = "6"
    & skf21("5","2","2","2","4","7","3","1") = "6"
    & skf21("5","2","2","2","4","7","4","1") = "6"
    & skf21("5","2","2","2","4","7","5","1") = "6"
    & skf21("5","2","2","2","4","7","6","1") = "6"
    & skf21("5","2","2","2","4","7","7","1") = "6"
    & skf21("5","2","2","2","5","1","1","1") = "4"
    & skf21("5","2","2","2","5","1","2","1") = "4"
    & skf21("5","2","2","2","5","1","3","1") = "4"
    & skf21("5","2","2","2","5","1","4","1") = "4"
    & skf21("5","2","2","2","5","1","5","1") = "4"
    & skf21("5","2","2","2","5","1","6","1") = "5"
    & skf21("5","2","2","2","5","1","7","1") = "6"
    & skf21("5","2","2","2","5","2","1","1") = "4"
    & skf21("5","2","2","2","5","2","2","1") = "4"
    & skf21("5","2","2","2","5","2","3","1") = "4"
    & skf21("5","2","2","2","5","2","4","1") = "4"
    & skf21("5","2","2","2","5","2","5","1") = "4"
    & skf21("5","2","2","2","5","2","6","1") = "5"
    & skf21("5","2","2","2","5","2","7","1") = "6"
    & skf21("5","2","2","2","5","3","1","1") = "4"
    & skf21("5","2","2","2","5","3","2","1") = "4"
    & skf21("5","2","2","2","5","3","3","1") = "4"
    & skf21("5","2","2","2","5","3","4","1") = "4"
    & skf21("5","2","2","2","5","3","5","1") = "4"
    & skf21("5","2","2","2","5","3","6","1") = "5"
    & skf21("5","2","2","2","5","3","7","1") = "6"
    & skf21("5","2","2","2","5","4","1","1") = "4"
    & skf21("5","2","2","2","5","4","2","1") = "4"
    & skf21("5","2","2","2","5","4","3","1") = "4"
    & skf21("5","2","2","2","5","4","4","1") = "4"
    & skf21("5","2","2","2","5","4","5","1") = "4"
    & skf21("5","2","2","2","5","4","6","1") = "5"
    & skf21("5","2","2","2","5","4","7","1") = "6"
    & skf21("5","2","2","2","5","5","1","1") = "4"
    & skf21("5","2","2","2","5","5","2","1") = "4"
    & skf21("5","2","2","2","5","5","3","1") = "4"
    & skf21("5","2","2","2","5","5","4","1") = "4"
    & skf21("5","2","2","2","5","5","5","1") = "4"
    & skf21("5","2","2","2","5","5","6","1") = "5"
    & skf21("5","2","2","2","5","5","7","1") = "6"
    & skf21("5","2","2","2","5","6","1","1") = "5"
    & skf21("5","2","2","2","5","6","2","1") = "5"
    & skf21("5","2","2","2","5","6","3","1") = "5"
    & skf21("5","2","2","2","5","6","4","1") = "5"
    & skf21("5","2","2","2","5","6","5","1") = "5"
    & skf21("5","2","2","2","5","6","6","1") = "5"
    & skf21("5","2","2","2","5","6","7","1") = "6"
    & skf21("5","2","2","2","5","7","1","1") = "6"
    & skf21("5","2","2","2","5","7","2","1") = "6"
    & skf21("5","2","2","2","5","7","3","1") = "6"
    & skf21("5","2","2","2","5","7","4","1") = "6"
    & skf21("5","2","2","2","5","7","5","1") = "6"
    & skf21("5","2","2","2","5","7","6","1") = "6"
    & skf21("5","2","2","2","5","7","7","1") = "6"
    & skf21("5","2","2","2","6","1","1","1") = "5"
    & skf21("5","2","2","2","6","1","2","1") = "5"
    & skf21("5","2","2","2","6","1","3","1") = "5"
    & skf21("5","2","2","2","6","1","4","1") = "5"
    & skf21("5","2","2","2","6","1","5","1") = "5"
    & skf21("5","2","2","2","6","1","6","1") = "5"
    & skf21("5","2","2","2","6","1","7","1") = "6"
    & skf21("5","2","2","2","6","2","1","1") = "5"
    & skf21("5","2","2","2","6","2","2","1") = "5"
    & skf21("5","2","2","2","6","2","3","1") = "5"
    & skf21("5","2","2","2","6","2","4","1") = "5"
    & skf21("5","2","2","2","6","2","5","1") = "5"
    & skf21("5","2","2","2","6","2","6","1") = "5"
    & skf21("5","2","2","2","6","2","7","1") = "6"
    & skf21("5","2","2","2","6","3","1","1") = "5"
    & skf21("5","2","2","2","6","3","2","1") = "5"
    & skf21("5","2","2","2","6","3","3","1") = "5"
    & skf21("5","2","2","2","6","3","4","1") = "5"
    & skf21("5","2","2","2","6","3","5","1") = "5"
    & skf21("5","2","2","2","6","3","6","1") = "5"
    & skf21("5","2","2","2","6","3","7","1") = "6"
    & skf21("5","2","2","2","6","4","1","1") = "5"
    & skf21("5","2","2","2","6","4","2","1") = "5"
    & skf21("5","2","2","2","6","4","3","1") = "5"
    & skf21("5","2","2","2","6","4","4","1") = "5"
    & skf21("5","2","2","2","6","4","5","1") = "5"
    & skf21("5","2","2","2","6","4","6","1") = "5"
    & skf21("5","2","2","2","6","4","7","1") = "6"
    & skf21("5","2","2","2","6","5","1","1") = "5"
    & skf21("5","2","2","2","6","5","2","1") = "5"
    & skf21("5","2","2","2","6","5","3","1") = "5"
    & skf21("5","2","2","2","6","5","4","1") = "5"
    & skf21("5","2","2","2","6","5","5","1") = "5"
    & skf21("5","2","2","2","6","5","6","1") = "5"
    & skf21("5","2","2","2","6","5","7","1") = "6"
    & skf21("5","2","2","2","6","6","1","1") = "5"
    & skf21("5","2","2","2","6","6","2","1") = "5"
    & skf21("5","2","2","2","6","6","3","1") = "5"
    & skf21("5","2","2","2","6","6","4","1") = "5"
    & skf21("5","2","2","2","6","6","5","1") = "5"
    & skf21("5","2","2","2","6","6","6","1") = "5"
    & skf21("5","2","2","2","6","6","7","1") = "6"
    & skf21("5","2","2","2","6","7","1","1") = "6"
    & skf21("5","2","2","2","6","7","2","1") = "6"
    & skf21("5","2","2","2","6","7","3","1") = "6"
    & skf21("5","2","2","2","6","7","4","1") = "6"
    & skf21("5","2","2","2","6","7","5","1") = "6"
    & skf21("5","2","2","2","6","7","6","1") = "6"
    & skf21("5","2","2","2","6","7","7","1") = "6"
    & skf21("5","2","2","2","7","1","1","1") = "6"
    & skf21("5","2","2","2","7","1","2","1") = "6"
    & skf21("5","2","2","2","7","1","3","1") = "6"
    & skf21("5","2","2","2","7","1","4","1") = "6"
    & skf21("5","2","2","2","7","1","5","1") = "6"
    & skf21("5","2","2","2","7","1","6","1") = "6"
    & skf21("5","2","2","2","7","1","7","1") = "6"
    & skf21("5","2","2","2","7","2","1","1") = "6"
    & skf21("5","2","2","2","7","2","2","1") = "6"
    & skf21("5","2","2","2","7","2","3","1") = "6"
    & skf21("5","2","2","2","7","2","4","1") = "6"
    & skf21("5","2","2","2","7","2","5","1") = "6"
    & skf21("5","2","2","2","7","2","6","1") = "6"
    & skf21("5","2","2","2","7","2","7","1") = "6"
    & skf21("5","2","2","2","7","3","1","1") = "6"
    & skf21("5","2","2","2","7","3","2","1") = "6"
    & skf21("5","2","2","2","7","3","3","1") = "6"
    & skf21("5","2","2","2","7","3","4","1") = "6"
    & skf21("5","2","2","2","7","3","5","1") = "6"
    & skf21("5","2","2","2","7","3","6","1") = "6"
    & skf21("5","2","2","2","7","3","7","1") = "6"
    & skf21("5","2","2","2","7","4","1","1") = "6"
    & skf21("5","2","2","2","7","4","2","1") = "6"
    & skf21("5","2","2","2","7","4","3","1") = "6"
    & skf21("5","2","2","2","7","4","4","1") = "6"
    & skf21("5","2","2","2","7","4","5","1") = "6"
    & skf21("5","2","2","2","7","4","6","1") = "6"
    & skf21("5","2","2","2","7","4","7","1") = "6"
    & skf21("5","2","2","2","7","5","1","1") = "6"
    & skf21("5","2","2","2","7","5","2","1") = "6"
    & skf21("5","2","2","2","7","5","3","1") = "6"
    & skf21("5","2","2","2","7","5","4","1") = "6"
    & skf21("5","2","2","2","7","5","5","1") = "6"
    & skf21("5","2","2","2","7","5","6","1") = "6"
    & skf21("5","2","2","2","7","5","7","1") = "6"
    & skf21("5","2","2","2","7","6","1","1") = "6"
    & skf21("5","2","2","2","7","6","2","1") = "6"
    & skf21("5","2","2","2","7","6","3","1") = "6"
    & skf21("5","2","2","2","7","6","4","1") = "6"
    & skf21("5","2","2","2","7","6","5","1") = "6"
    & skf21("5","2","2","2","7","6","6","1") = "6"
    & skf21("5","2","2","2","7","6","7","1") = "6"
    & skf21("5","2","2","2","7","7","1","1") = "6"
    & skf21("5","2","2","2","7","7","2","1") = "6"
    & skf21("5","2","2","2","7","7","3","1") = "6"
    & skf21("5","2","2","2","7","7","4","1") = "6"
    & skf21("5","2","2","2","7","7","5","1") = "6"
    & skf21("5","2","2","2","7","7","6","1") = "6"
    & skf21("5","2","2","2","7","7","7","1") = "6"
    & skf21("5","2","2","3","1","1","1","1") = "4"
    & skf21("5","2","2","3","1","1","2","1") = "4"
    & skf21("5","2","2","3","1","1","3","1") = "4"
    & skf21("5","2","2","3","1","1","4","1") = "4"
    & skf21("5","2","2","3","1","1","5","1") = "4"
    & skf21("5","2","2","3","1","1","6","1") = "5"
    & skf21("5","2","2","3","1","1","7","1") = "6"
    & skf21("5","2","2","3","1","2","1","1") = "4"
    & skf21("5","2","2","3","1","2","2","1") = "4"
    & skf21("5","2","2","3","1","2","3","1") = "4"
    & skf21("5","2","2","3","1","2","4","1") = "4"
    & skf21("5","2","2","3","1","2","5","1") = "4"
    & skf21("5","2","2","3","1","2","6","1") = "5"
    & skf21("5","2","2","3","1","2","7","1") = "6"
    & skf21("5","2","2","3","1","3","1","1") = "4"
    & skf21("5","2","2","3","1","3","2","1") = "4"
    & skf21("5","2","2","3","1","3","3","1") = "4"
    & skf21("5","2","2","3","1","3","4","1") = "4"
    & skf21("5","2","2","3","1","3","5","1") = "4"
    & skf21("5","2","2","3","1","3","6","1") = "5"
    & skf21("5","2","2","3","1","3","7","1") = "6"
    & skf21("5","2","2","3","1","4","1","1") = "4"
    & skf21("5","2","2","3","1","4","2","1") = "4"
    & skf21("5","2","2","3","1","4","3","1") = "4"
    & skf21("5","2","2","3","1","4","4","1") = "4"
    & skf21("5","2","2","3","1","4","5","1") = "4"
    & skf21("5","2","2","3","1","4","6","1") = "5"
    & skf21("5","2","2","3","1","4","7","1") = "6"
    & skf21("5","2","2","3","1","5","1","1") = "4"
    & skf21("5","2","2","3","1","5","2","1") = "4"
    & skf21("5","2","2","3","1","5","3","1") = "4"
    & skf21("5","2","2","3","1","5","4","1") = "4"
    & skf21("5","2","2","3","1","5","5","1") = "4"
    & skf21("5","2","2","3","1","5","6","1") = "5"
    & skf21("5","2","2","3","1","5","7","1") = "6"
    & skf21("5","2","2","3","1","6","1","1") = "5"
    & skf21("5","2","2","3","1","6","2","1") = "5"
    & skf21("5","2","2","3","1","6","3","1") = "5"
    & skf21("5","2","2","3","1","6","4","1") = "5"
    & skf21("5","2","2","3","1","6","5","1") = "5"
    & skf21("5","2","2","3","1","6","6","1") = "5"
    & skf21("5","2","2","3","1","6","7","1") = "6"
    & skf21("5","2","2","3","1","7","1","1") = "6"
    & skf21("5","2","2","3","1","7","2","1") = "6"
    & skf21("5","2","2","3","1","7","3","1") = "6"
    & skf21("5","2","2","3","1","7","4","1") = "6"
    & skf21("5","2","2","3","1","7","5","1") = "6"
    & skf21("5","2","2","3","1","7","6","1") = "6"
    & skf21("5","2","2","3","1","7","7","1") = "6"
    & skf21("5","2","2","3","2","1","1","1") = "4"
    & skf21("5","2","2","3","2","1","2","1") = "4"
    & skf21("5","2","2","3","2","1","3","1") = "4"
    & skf21("5","2","2","3","2","1","4","1") = "4"
    & skf21("5","2","2","3","2","1","5","1") = "4"
    & skf21("5","2","2","3","2","1","6","1") = "5"
    & skf21("5","2","2","3","2","1","7","1") = "6"
    & skf21("5","2","2","3","2","2","1","1") = "4"
    & skf21("5","2","2","3","2","2","2","1") = "4"
    & skf21("5","2","2","3","2","2","3","1") = "4"
    & skf21("5","2","2","3","2","2","4","1") = "4"
    & skf21("5","2","2","3","2","2","5","1") = "4"
    & skf21("5","2","2","3","2","2","6","1") = "5"
    & skf21("5","2","2","3","2","2","7","1") = "6"
    & skf21("5","2","2","3","2","3","1","1") = "4"
    & skf21("5","2","2","3","2","3","2","1") = "4"
    & skf21("5","2","2","3","2","3","3","1") = "4"
    & skf21("5","2","2","3","2","3","4","1") = "4"
    & skf21("5","2","2","3","2","3","5","1") = "4"
    & skf21("5","2","2","3","2","3","6","1") = "5"
    & skf21("5","2","2","3","2","3","7","1") = "6"
    & skf21("5","2","2","3","2","4","1","1") = "4"
    & skf21("5","2","2","3","2","4","2","1") = "4"
    & skf21("5","2","2","3","2","4","3","1") = "4"
    & skf21("5","2","2","3","2","4","4","1") = "4"
    & skf21("5","2","2","3","2","4","5","1") = "4"
    & skf21("5","2","2","3","2","4","6","1") = "5"
    & skf21("5","2","2","3","2","4","7","1") = "6"
    & skf21("5","2","2","3","2","5","1","1") = "4"
    & skf21("5","2","2","3","2","5","2","1") = "4"
    & skf21("5","2","2","3","2","5","3","1") = "4"
    & skf21("5","2","2","3","2","5","4","1") = "4"
    & skf21("5","2","2","3","2","5","5","1") = "4"
    & skf21("5","2","2","3","2","5","6","1") = "5"
    & skf21("5","2","2","3","2","5","7","1") = "6"
    & skf21("5","2","2","3","2","6","1","1") = "5"
    & skf21("5","2","2","3","2","6","2","1") = "5"
    & skf21("5","2","2","3","2","6","3","1") = "5"
    & skf21("5","2","2","3","2","6","4","1") = "5"
    & skf21("5","2","2","3","2","6","5","1") = "5"
    & skf21("5","2","2","3","2","6","6","1") = "5"
    & skf21("5","2","2","3","2","6","7","1") = "6"
    & skf21("5","2","2","3","2","7","1","1") = "6"
    & skf21("5","2","2","3","2","7","2","1") = "6"
    & skf21("5","2","2","3","2","7","3","1") = "6"
    & skf21("5","2","2","3","2","7","4","1") = "6"
    & skf21("5","2","2","3","2","7","5","1") = "6"
    & skf21("5","2","2","3","2","7","6","1") = "6"
    & skf21("5","2","2","3","2","7","7","1") = "6"
    & skf21("5","2","2","3","3","1","1","1") = "4"
    & skf21("5","2","2","3","3","1","2","1") = "4"
    & skf21("5","2","2","3","3","1","3","1") = "4"
    & skf21("5","2","2","3","3","1","4","1") = "4"
    & skf21("5","2","2","3","3","1","5","1") = "4"
    & skf21("5","2","2","3","3","1","6","1") = "5"
    & skf21("5","2","2","3","3","1","7","1") = "6"
    & skf21("5","2","2","3","3","2","1","1") = "4"
    & skf21("5","2","2","3","3","2","2","1") = "4"
    & skf21("5","2","2","3","3","2","3","1") = "4"
    & skf21("5","2","2","3","3","2","4","1") = "4"
    & skf21("5","2","2","3","3","2","5","1") = "4"
    & skf21("5","2","2","3","3","2","6","1") = "5"
    & skf21("5","2","2","3","3","2","7","1") = "6"
    & skf21("5","2","2","3","3","3","1","1") = "4"
    & skf21("5","2","2","3","3","3","2","1") = "4"
    & skf21("5","2","2","3","3","3","3","1") = "4"
    & skf21("5","2","2","3","3","3","4","1") = "4"
    & skf21("5","2","2","3","3","3","5","1") = "4"
    & skf21("5","2","2","3","3","3","6","1") = "5"
    & skf21("5","2","2","3","3","3","7","1") = "6"
    & skf21("5","2","2","3","3","4","1","1") = "4"
    & skf21("5","2","2","3","3","4","2","1") = "4"
    & skf21("5","2","2","3","3","4","3","1") = "4"
    & skf21("5","2","2","3","3","4","4","1") = "4"
    & skf21("5","2","2","3","3","4","5","1") = "4"
    & skf21("5","2","2","3","3","4","6","1") = "5"
    & skf21("5","2","2","3","3","4","7","1") = "6"
    & skf21("5","2","2","3","3","5","1","1") = "4"
    & skf21("5","2","2","3","3","5","2","1") = "4"
    & skf21("5","2","2","3","3","5","3","1") = "4"
    & skf21("5","2","2","3","3","5","4","1") = "4"
    & skf21("5","2","2","3","3","5","5","1") = "4"
    & skf21("5","2","2","3","3","5","6","1") = "5"
    & skf21("5","2","2","3","3","5","7","1") = "6"
    & skf21("5","2","2","3","3","6","1","1") = "5"
    & skf21("5","2","2","3","3","6","2","1") = "5"
    & skf21("5","2","2","3","3","6","3","1") = "5"
    & skf21("5","2","2","3","3","6","4","1") = "5"
    & skf21("5","2","2","3","3","6","5","1") = "5"
    & skf21("5","2","2","3","3","6","6","1") = "5"
    & skf21("5","2","2","3","3","6","7","1") = "6"
    & skf21("5","2","2","3","3","7","1","1") = "6"
    & skf21("5","2","2","3","3","7","2","1") = "6"
    & skf21("5","2","2","3","3","7","3","1") = "6"
    & skf21("5","2","2","3","3","7","4","1") = "6"
    & skf21("5","2","2","3","3","7","5","1") = "6"
    & skf21("5","2","2","3","3","7","6","1") = "6"
    & skf21("5","2","2","3","3","7","7","1") = "6"
    & skf21("5","2","2","3","4","1","1","1") = "4"
    & skf21("5","2","2","3","4","1","2","1") = "4"
    & skf21("5","2","2","3","4","1","3","1") = "4"
    & skf21("5","2","2","3","4","1","4","1") = "4"
    & skf21("5","2","2","3","4","1","5","1") = "4"
    & skf21("5","2","2","3","4","1","6","1") = "5"
    & skf21("5","2","2","3","4","1","7","1") = "6"
    & skf21("5","2","2","3","4","2","1","1") = "4"
    & skf21("5","2","2","3","4","2","2","1") = "4"
    & skf21("5","2","2","3","4","2","3","1") = "4"
    & skf21("5","2","2","3","4","2","4","1") = "4"
    & skf21("5","2","2","3","4","2","5","1") = "4"
    & skf21("5","2","2","3","4","2","6","1") = "5"
    & skf21("5","2","2","3","4","2","7","1") = "6"
    & skf21("5","2","2","3","4","3","1","1") = "4"
    & skf21("5","2","2","3","4","3","2","1") = "4"
    & skf21("5","2","2","3","4","3","3","1") = "4"
    & skf21("5","2","2","3","4","3","4","1") = "4"
    & skf21("5","2","2","3","4","3","5","1") = "4"
    & skf21("5","2","2","3","4","3","6","1") = "5"
    & skf21("5","2","2","3","4","3","7","1") = "6"
    & skf21("5","2","2","3","4","4","1","1") = "4"
    & skf21("5","2","2","3","4","4","2","1") = "4"
    & skf21("5","2","2","3","4","4","3","1") = "4"
    & skf21("5","2","2","3","4","4","4","1") = "4"
    & skf21("5","2","2","3","4","4","5","1") = "4"
    & skf21("5","2","2","3","4","4","6","1") = "5"
    & skf21("5","2","2","3","4","4","7","1") = "6"
    & skf21("5","2","2","3","4","5","1","1") = "4"
    & skf21("5","2","2","3","4","5","2","1") = "4"
    & skf21("5","2","2","3","4","5","3","1") = "4"
    & skf21("5","2","2","3","4","5","4","1") = "4"
    & skf21("5","2","2","3","4","5","5","1") = "4"
    & skf21("5","2","2","3","4","5","6","1") = "5"
    & skf21("5","2","2","3","4","5","7","1") = "6"
    & skf21("5","2","2","3","4","6","1","1") = "5"
    & skf21("5","2","2","3","4","6","2","1") = "5"
    & skf21("5","2","2","3","4","6","3","1") = "5"
    & skf21("5","2","2","3","4","6","4","1") = "5"
    & skf21("5","2","2","3","4","6","5","1") = "5"
    & skf21("5","2","2","3","4","6","6","1") = "5"
    & skf21("5","2","2","3","4","6","7","1") = "6"
    & skf21("5","2","2","3","4","7","1","1") = "6"
    & skf21("5","2","2","3","4","7","2","1") = "6"
    & skf21("5","2","2","3","4","7","3","1") = "6"
    & skf21("5","2","2","3","4","7","4","1") = "6"
    & skf21("5","2","2","3","4","7","5","1") = "6"
    & skf21("5","2","2","3","4","7","6","1") = "6"
    & skf21("5","2","2","3","4","7","7","1") = "6"
    & skf21("5","2","2","3","5","1","1","1") = "4"
    & skf21("5","2","2","3","5","1","2","1") = "4"
    & skf21("5","2","2","3","5","1","3","1") = "4"
    & skf21("5","2","2","3","5","1","4","1") = "4"
    & skf21("5","2","2","3","5","1","5","1") = "4"
    & skf21("5","2","2","3","5","1","6","1") = "5"
    & skf21("5","2","2","3","5","1","7","1") = "6"
    & skf21("5","2","2","3","5","2","1","1") = "4"
    & skf21("5","2","2","3","5","2","2","1") = "4"
    & skf21("5","2","2","3","5","2","3","1") = "4"
    & skf21("5","2","2","3","5","2","4","1") = "4"
    & skf21("5","2","2","3","5","2","5","1") = "4"
    & skf21("5","2","2","3","5","2","6","1") = "5"
    & skf21("5","2","2","3","5","2","7","1") = "6"
    & skf21("5","2","2","3","5","3","1","1") = "4"
    & skf21("5","2","2","3","5","3","2","1") = "4"
    & skf21("5","2","2","3","5","3","3","1") = "4"
    & skf21("5","2","2","3","5","3","4","1") = "4"
    & skf21("5","2","2","3","5","3","5","1") = "4"
    & skf21("5","2","2","3","5","3","6","1") = "5"
    & skf21("5","2","2","3","5","3","7","1") = "6"
    & skf21("5","2","2","3","5","4","1","1") = "4"
    & skf21("5","2","2","3","5","4","2","1") = "4"
    & skf21("5","2","2","3","5","4","3","1") = "4"
    & skf21("5","2","2","3","5","4","4","1") = "4"
    & skf21("5","2","2","3","5","4","5","1") = "4"
    & skf21("5","2","2","3","5","4","6","1") = "5"
    & skf21("5","2","2","3","5","4","7","1") = "6"
    & skf21("5","2","2","3","5","5","1","1") = "4"
    & skf21("5","2","2","3","5","5","2","1") = "4"
    & skf21("5","2","2","3","5","5","3","1") = "4"
    & skf21("5","2","2","3","5","5","4","1") = "4"
    & skf21("5","2","2","3","5","5","5","1") = "4"
    & skf21("5","2","2","3","5","5","6","1") = "5"
    & skf21("5","2","2","3","5","5","7","1") = "6"
    & skf21("5","2","2","3","5","6","1","1") = "5"
    & skf21("5","2","2","3","5","6","2","1") = "5"
    & skf21("5","2","2","3","5","6","3","1") = "5"
    & skf21("5","2","2","3","5","6","4","1") = "5"
    & skf21("5","2","2","3","5","6","5","1") = "5"
    & skf21("5","2","2","3","5","6","6","1") = "5"
    & skf21("5","2","2","3","5","6","7","1") = "6"
    & skf21("5","2","2","3","5","7","1","1") = "6"
    & skf21("5","2","2","3","5","7","2","1") = "6"
    & skf21("5","2","2","3","5","7","3","1") = "6"
    & skf21("5","2","2","3","5","7","4","1") = "6"
    & skf21("5","2","2","3","5","7","5","1") = "6"
    & skf21("5","2","2","3","5","7","6","1") = "6"
    & skf21("5","2","2","3","5","7","7","1") = "6"
    & skf21("5","2","2","3","6","1","1","1") = "5"
    & skf21("5","2","2","3","6","1","2","1") = "5"
    & skf21("5","2","2","3","6","1","3","1") = "5"
    & skf21("5","2","2","3","6","1","4","1") = "5"
    & skf21("5","2","2","3","6","1","5","1") = "5"
    & skf21("5","2","2","3","6","1","6","1") = "5"
    & skf21("5","2","2","3","6","1","7","1") = "6"
    & skf21("5","2","2","3","6","2","1","1") = "5"
    & skf21("5","2","2","3","6","2","2","1") = "5"
    & skf21("5","2","2","3","6","2","3","1") = "5"
    & skf21("5","2","2","3","6","2","4","1") = "5"
    & skf21("5","2","2","3","6","2","5","1") = "5"
    & skf21("5","2","2","3","6","2","6","1") = "5"
    & skf21("5","2","2","3","6","2","7","1") = "6"
    & skf21("5","2","2","3","6","3","1","1") = "5"
    & skf21("5","2","2","3","6","3","2","1") = "5"
    & skf21("5","2","2","3","6","3","3","1") = "5"
    & skf21("5","2","2","3","6","3","4","1") = "5"
    & skf21("5","2","2","3","6","3","5","1") = "5"
    & skf21("5","2","2","3","6","3","6","1") = "5"
    & skf21("5","2","2","3","6","3","7","1") = "6"
    & skf21("5","2","2","3","6","4","1","1") = "5"
    & skf21("5","2","2","3","6","4","2","1") = "5"
    & skf21("5","2","2","3","6","4","3","1") = "5"
    & skf21("5","2","2","3","6","4","4","1") = "5"
    & skf21("5","2","2","3","6","4","5","1") = "5"
    & skf21("5","2","2","3","6","4","6","1") = "5"
    & skf21("5","2","2","3","6","4","7","1") = "6"
    & skf21("5","2","2","3","6","5","1","1") = "5"
    & skf21("5","2","2","3","6","5","2","1") = "5"
    & skf21("5","2","2","3","6","5","3","1") = "5"
    & skf21("5","2","2","3","6","5","4","1") = "5"
    & skf21("5","2","2","3","6","5","5","1") = "5"
    & skf21("5","2","2","3","6","5","6","1") = "5"
    & skf21("5","2","2","3","6","5","7","1") = "6"
    & skf21("5","2","2","3","6","6","1","1") = "5"
    & skf21("5","2","2","3","6","6","2","1") = "5"
    & skf21("5","2","2","3","6","6","3","1") = "5"
    & skf21("5","2","2","3","6","6","4","1") = "5"
    & skf21("5","2","2","3","6","6","5","1") = "5"
    & skf21("5","2","2","3","6","6","6","1") = "5"
    & skf21("5","2","2","3","6","6","7","1") = "6"
    & skf21("5","2","2","3","6","7","1","1") = "6"
    & skf21("5","2","2","3","6","7","2","1") = "6"
    & skf21("5","2","2","3","6","7","3","1") = "6"
    & skf21("5","2","2","3","6","7","4","1") = "6"
    & skf21("5","2","2","3","6","7","5","1") = "6"
    & skf21("5","2","2","3","6","7","6","1") = "6"
    & skf21("5","2","2","3","6","7","7","1") = "6"
    & skf21("5","2","2","3","7","1","1","1") = "6"
    & skf21("5","2","2","3","7","1","2","1") = "6"
    & skf21("5","2","2","3","7","1","3","1") = "6"
    & skf21("5","2","2","3","7","1","4","1") = "6"
    & skf21("5","2","2","3","7","1","5","1") = "6"
    & skf21("5","2","2","3","7","1","6","1") = "6"
    & skf21("5","2","2","3","7","1","7","1") = "6"
    & skf21("5","2","2","3","7","2","1","1") = "6"
    & skf21("5","2","2","3","7","2","2","1") = "6"
    & skf21("5","2","2","3","7","2","3","1") = "6"
    & skf21("5","2","2","3","7","2","4","1") = "6"
    & skf21("5","2","2","3","7","2","5","1") = "6"
    & skf21("5","2","2","3","7","2","6","1") = "6"
    & skf21("5","2","2","3","7","2","7","1") = "6"
    & skf21("5","2","2","3","7","3","1","1") = "6"
    & skf21("5","2","2","3","7","3","2","1") = "6"
    & skf21("5","2","2","3","7","3","3","1") = "6"
    & skf21("5","2","2","3","7","3","4","1") = "6"
    & skf21("5","2","2","3","7","3","5","1") = "6"
    & skf21("5","2","2","3","7","3","6","1") = "6"
    & skf21("5","2","2","3","7","3","7","1") = "6"
    & skf21("5","2","2","3","7","4","1","1") = "6"
    & skf21("5","2","2","3","7","4","2","1") = "6"
    & skf21("5","2","2","3","7","4","3","1") = "6"
    & skf21("5","2","2","3","7","4","4","1") = "6"
    & skf21("5","2","2","3","7","4","5","1") = "6"
    & skf21("5","2","2","3","7","4","6","1") = "6"
    & skf21("5","2","2","3","7","4","7","1") = "6"
    & skf21("5","2","2","3","7","5","1","1") = "6"
    & skf21("5","2","2","3","7","5","2","1") = "6"
    & skf21("5","2","2","3","7","5","3","1") = "6"
    & skf21("5","2","2","3","7","5","4","1") = "6"
    & skf21("5","2","2","3","7","5","5","1") = "6"
    & skf21("5","2","2","3","7","5","6","1") = "6"
    & skf21("5","2","2","3","7","5","7","1") = "6"
    & skf21("5","2","2","3","7","6","1","1") = "6"
    & skf21("5","2","2","3","7","6","2","1") = "6"
    & skf21("5","2","2","3","7","6","3","1") = "6"
    & skf21("5","2","2","3","7","6","4","1") = "6"
    & skf21("5","2","2","3","7","6","5","1") = "6"
    & skf21("5","2","2","3","7","6","6","1") = "6"
    & skf21("5","2","2","3","7","6","7","1") = "6"
    & skf21("5","2","2","3","7","7","1","1") = "6"
    & skf21("5","2","2","3","7","7","2","1") = "6"
    & skf21("5","2","2","3","7","7","3","1") = "6"
    & skf21("5","2","2","3","7","7","4","1") = "6"
    & skf21("5","2","2","3","7","7","5","1") = "6"
    & skf21("5","2","2","3","7","7","6","1") = "6"
    & skf21("5","2","2","3","7","7","7","1") = "6"
    & skf21("5","2","2","4","1","1","1","1") = "4"
    & skf21("5","2","2","4","1","1","2","1") = "4"
    & skf21("5","2","2","4","1","1","3","1") = "4"
    & skf21("5","2","2","4","1","1","4","1") = "4"
    & skf21("5","2","2","4","1","1","5","1") = "4"
    & skf21("5","2","2","4","1","1","6","1") = "5"
    & skf21("5","2","2","4","1","1","7","1") = "6"
    & skf21("5","2","2","4","1","2","1","1") = "4"
    & skf21("5","2","2","4","1","2","2","1") = "4"
    & skf21("5","2","2","4","1","2","3","1") = "4"
    & skf21("5","2","2","4","1","2","4","1") = "4"
    & skf21("5","2","2","4","1","2","5","1") = "4"
    & skf21("5","2","2","4","1","2","6","1") = "5"
    & skf21("5","2","2","4","1","2","7","1") = "6"
    & skf21("5","2","2","4","1","3","1","1") = "4"
    & skf21("5","2","2","4","1","3","2","1") = "4"
    & skf21("5","2","2","4","1","3","3","1") = "4"
    & skf21("5","2","2","4","1","3","4","1") = "4"
    & skf21("5","2","2","4","1","3","5","1") = "4"
    & skf21("5","2","2","4","1","3","6","1") = "5"
    & skf21("5","2","2","4","1","3","7","1") = "6"
    & skf21("5","2","2","4","1","4","1","1") = "4"
    & skf21("5","2","2","4","1","4","2","1") = "4"
    & skf21("5","2","2","4","1","4","3","1") = "4"
    & skf21("5","2","2","4","1","4","4","1") = "4"
    & skf21("5","2","2","4","1","4","5","1") = "4"
    & skf21("5","2","2","4","1","4","6","1") = "5"
    & skf21("5","2","2","4","1","4","7","1") = "6"
    & skf21("5","2","2","4","1","5","1","1") = "4"
    & skf21("5","2","2","4","1","5","2","1") = "4"
    & skf21("5","2","2","4","1","5","3","1") = "4"
    & skf21("5","2","2","4","1","5","4","1") = "4"
    & skf21("5","2","2","4","1","5","5","1") = "4"
    & skf21("5","2","2","4","1","5","6","1") = "5"
    & skf21("5","2","2","4","1","5","7","1") = "6"
    & skf21("5","2","2","4","1","6","1","1") = "5"
    & skf21("5","2","2","4","1","6","2","1") = "5"
    & skf21("5","2","2","4","1","6","3","1") = "5"
    & skf21("5","2","2","4","1","6","4","1") = "5"
    & skf21("5","2","2","4","1","6","5","1") = "5"
    & skf21("5","2","2","4","1","6","6","1") = "5"
    & skf21("5","2","2","4","1","6","7","1") = "6"
    & skf21("5","2","2","4","1","7","1","1") = "6"
    & skf21("5","2","2","4","1","7","2","1") = "6"
    & skf21("5","2","2","4","1","7","3","1") = "6"
    & skf21("5","2","2","4","1","7","4","1") = "6"
    & skf21("5","2","2","4","1","7","5","1") = "6"
    & skf21("5","2","2","4","1","7","6","1") = "6"
    & skf21("5","2","2","4","1","7","7","1") = "6"
    & skf21("5","2","2","4","2","1","1","1") = "4"
    & skf21("5","2","2","4","2","1","2","1") = "4"
    & skf21("5","2","2","4","2","1","3","1") = "4"
    & skf21("5","2","2","4","2","1","4","1") = "4"
    & skf21("5","2","2","4","2","1","5","1") = "4"
    & skf21("5","2","2","4","2","1","6","1") = "5"
    & skf21("5","2","2","4","2","1","7","1") = "6"
    & skf21("5","2","2","4","2","2","1","1") = "4"
    & skf21("5","2","2","4","2","2","2","1") = "4"
    & skf21("5","2","2","4","2","2","3","1") = "4"
    & skf21("5","2","2","4","2","2","4","1") = "4"
    & skf21("5","2","2","4","2","2","5","1") = "4"
    & skf21("5","2","2","4","2","2","6","1") = "5"
    & skf21("5","2","2","4","2","2","7","1") = "6"
    & skf21("5","2","2","4","2","3","1","1") = "4"
    & skf21("5","2","2","4","2","3","2","1") = "4"
    & skf21("5","2","2","4","2","3","3","1") = "4"
    & skf21("5","2","2","4","2","3","4","1") = "4"
    & skf21("5","2","2","4","2","3","5","1") = "4"
    & skf21("5","2","2","4","2","3","6","1") = "5"
    & skf21("5","2","2","4","2","3","7","1") = "6"
    & skf21("5","2","2","4","2","4","1","1") = "4"
    & skf21("5","2","2","4","2","4","2","1") = "4"
    & skf21("5","2","2","4","2","4","3","1") = "4"
    & skf21("5","2","2","4","2","4","4","1") = "4"
    & skf21("5","2","2","4","2","4","5","1") = "4"
    & skf21("5","2","2","4","2","4","6","1") = "5"
    & skf21("5","2","2","4","2","4","7","1") = "6"
    & skf21("5","2","2","4","2","5","1","1") = "4"
    & skf21("5","2","2","4","2","5","2","1") = "4"
    & skf21("5","2","2","4","2","5","3","1") = "4"
    & skf21("5","2","2","4","2","5","4","1") = "4"
    & skf21("5","2","2","4","2","5","5","1") = "4"
    & skf21("5","2","2","4","2","5","6","1") = "5"
    & skf21("5","2","2","4","2","5","7","1") = "6"
    & skf21("5","2","2","4","2","6","1","1") = "5"
    & skf21("5","2","2","4","2","6","2","1") = "5"
    & skf21("5","2","2","4","2","6","3","1") = "5"
    & skf21("5","2","2","4","2","6","4","1") = "5"
    & skf21("5","2","2","4","2","6","5","1") = "5"
    & skf21("5","2","2","4","2","6","6","1") = "5"
    & skf21("5","2","2","4","2","6","7","1") = "6"
    & skf21("5","2","2","4","2","7","1","1") = "6"
    & skf21("5","2","2","4","2","7","2","1") = "6"
    & skf21("5","2","2","4","2","7","3","1") = "6"
    & skf21("5","2","2","4","2","7","4","1") = "6"
    & skf21("5","2","2","4","2","7","5","1") = "6"
    & skf21("5","2","2","4","2","7","6","1") = "6"
    & skf21("5","2","2","4","2","7","7","1") = "6"
    & skf21("5","2","2","4","3","1","1","1") = "4"
    & skf21("5","2","2","4","3","1","2","1") = "4"
    & skf21("5","2","2","4","3","1","3","1") = "4"
    & skf21("5","2","2","4","3","1","4","1") = "4"
    & skf21("5","2","2","4","3","1","5","1") = "4"
    & skf21("5","2","2","4","3","1","6","1") = "5"
    & skf21("5","2","2","4","3","1","7","1") = "6"
    & skf21("5","2","2","4","3","2","1","1") = "4"
    & skf21("5","2","2","4","3","2","2","1") = "4"
    & skf21("5","2","2","4","3","2","3","1") = "4"
    & skf21("5","2","2","4","3","2","4","1") = "4"
    & skf21("5","2","2","4","3","2","5","1") = "4"
    & skf21("5","2","2","4","3","2","6","1") = "5"
    & skf21("5","2","2","4","3","2","7","1") = "6"
    & skf21("5","2","2","4","3","3","1","1") = "4"
    & skf21("5","2","2","4","3","3","2","1") = "4"
    & skf21("5","2","2","4","3","3","3","1") = "4"
    & skf21("5","2","2","4","3","3","4","1") = "4"
    & skf21("5","2","2","4","3","3","5","1") = "4"
    & skf21("5","2","2","4","3","3","6","1") = "5"
    & skf21("5","2","2","4","3","3","7","1") = "6"
    & skf21("5","2","2","4","3","4","1","1") = "4"
    & skf21("5","2","2","4","3","4","2","1") = "4"
    & skf21("5","2","2","4","3","4","3","1") = "4"
    & skf21("5","2","2","4","3","4","4","1") = "4"
    & skf21("5","2","2","4","3","4","5","1") = "4"
    & skf21("5","2","2","4","3","4","6","1") = "5"
    & skf21("5","2","2","4","3","4","7","1") = "6"
    & skf21("5","2","2","4","3","5","1","1") = "4"
    & skf21("5","2","2","4","3","5","2","1") = "4"
    & skf21("5","2","2","4","3","5","3","1") = "4"
    & skf21("5","2","2","4","3","5","4","1") = "4"
    & skf21("5","2","2","4","3","5","5","1") = "4"
    & skf21("5","2","2","4","3","5","6","1") = "5"
    & skf21("5","2","2","4","3","5","7","1") = "6"
    & skf21("5","2","2","4","3","6","1","1") = "5"
    & skf21("5","2","2","4","3","6","2","1") = "5"
    & skf21("5","2","2","4","3","6","3","1") = "5"
    & skf21("5","2","2","4","3","6","4","1") = "5"
    & skf21("5","2","2","4","3","6","5","1") = "5"
    & skf21("5","2","2","4","3","6","6","1") = "5"
    & skf21("5","2","2","4","3","6","7","1") = "6"
    & skf21("5","2","2","4","3","7","1","1") = "6"
    & skf21("5","2","2","4","3","7","2","1") = "6"
    & skf21("5","2","2","4","3","7","3","1") = "6"
    & skf21("5","2","2","4","3","7","4","1") = "6"
    & skf21("5","2","2","4","3","7","5","1") = "6"
    & skf21("5","2","2","4","3","7","6","1") = "6"
    & skf21("5","2","2","4","3","7","7","1") = "6"
    & skf21("5","2","2","4","4","1","1","1") = "4"
    & skf21("5","2","2","4","4","1","2","1") = "4"
    & skf21("5","2","2","4","4","1","3","1") = "4"
    & skf21("5","2","2","4","4","1","4","1") = "4"
    & skf21("5","2","2","4","4","1","5","1") = "4"
    & skf21("5","2","2","4","4","1","6","1") = "5"
    & skf21("5","2","2","4","4","1","7","1") = "6"
    & skf21("5","2","2","4","4","2","1","1") = "4"
    & skf21("5","2","2","4","4","2","2","1") = "4"
    & skf21("5","2","2","4","4","2","3","1") = "4"
    & skf21("5","2","2","4","4","2","4","1") = "4"
    & skf21("5","2","2","4","4","2","5","1") = "4"
    & skf21("5","2","2","4","4","2","6","1") = "5"
    & skf21("5","2","2","4","4","2","7","1") = "6"
    & skf21("5","2","2","4","4","3","1","1") = "4"
    & skf21("5","2","2","4","4","3","2","1") = "4"
    & skf21("5","2","2","4","4","3","3","1") = "4"
    & skf21("5","2","2","4","4","3","4","1") = "4"
    & skf21("5","2","2","4","4","3","5","1") = "4"
    & skf21("5","2","2","4","4","3","6","1") = "5"
    & skf21("5","2","2","4","4","3","7","1") = "6"
    & skf21("5","2","2","4","4","4","1","1") = "4"
    & skf21("5","2","2","4","4","4","2","1") = "4"
    & skf21("5","2","2","4","4","4","3","1") = "4"
    & skf21("5","2","2","4","4","4","4","1") = "4"
    & skf21("5","2","2","4","4","4","5","1") = "4"
    & skf21("5","2","2","4","4","4","6","1") = "5"
    & skf21("5","2","2","4","4","4","7","1") = "6"
    & skf21("5","2","2","4","4","5","1","1") = "4"
    & skf21("5","2","2","4","4","5","2","1") = "4"
    & skf21("5","2","2","4","4","5","3","1") = "4"
    & skf21("5","2","2","4","4","5","4","1") = "4"
    & skf21("5","2","2","4","4","5","5","1") = "4"
    & skf21("5","2","2","4","4","5","6","1") = "5"
    & skf21("5","2","2","4","4","5","7","1") = "6"
    & skf21("5","2","2","4","4","6","1","1") = "5"
    & skf21("5","2","2","4","4","6","2","1") = "5"
    & skf21("5","2","2","4","4","6","3","1") = "5"
    & skf21("5","2","2","4","4","6","4","1") = "5"
    & skf21("5","2","2","4","4","6","5","1") = "5"
    & skf21("5","2","2","4","4","6","6","1") = "5"
    & skf21("5","2","2","4","4","6","7","1") = "6"
    & skf21("5","2","2","4","4","7","1","1") = "6"
    & skf21("5","2","2","4","4","7","2","1") = "6"
    & skf21("5","2","2","4","4","7","3","1") = "6"
    & skf21("5","2","2","4","4","7","4","1") = "6"
    & skf21("5","2","2","4","4","7","5","1") = "6"
    & skf21("5","2","2","4","4","7","6","1") = "6"
    & skf21("5","2","2","4","4","7","7","1") = "6"
    & skf21("5","2","2","4","5","1","1","1") = "4"
    & skf21("5","2","2","4","5","1","2","1") = "4"
    & skf21("5","2","2","4","5","1","3","1") = "4"
    & skf21("5","2","2","4","5","1","4","1") = "4"
    & skf21("5","2","2","4","5","1","5","1") = "4"
    & skf21("5","2","2","4","5","1","6","1") = "5"
    & skf21("5","2","2","4","5","1","7","1") = "6"
    & skf21("5","2","2","4","5","2","1","1") = "4"
    & skf21("5","2","2","4","5","2","2","1") = "4"
    & skf21("5","2","2","4","5","2","3","1") = "4"
    & skf21("5","2","2","4","5","2","4","1") = "4"
    & skf21("5","2","2","4","5","2","5","1") = "4"
    & skf21("5","2","2","4","5","2","6","1") = "5"
    & skf21("5","2","2","4","5","2","7","1") = "6"
    & skf21("5","2","2","4","5","3","1","1") = "4"
    & skf21("5","2","2","4","5","3","2","1") = "4"
    & skf21("5","2","2","4","5","3","3","1") = "4"
    & skf21("5","2","2","4","5","3","4","1") = "4"
    & skf21("5","2","2","4","5","3","5","1") = "4"
    & skf21("5","2","2","4","5","3","6","1") = "5"
    & skf21("5","2","2","4","5","3","7","1") = "6"
    & skf21("5","2","2","4","5","4","1","1") = "4"
    & skf21("5","2","2","4","5","4","2","1") = "4"
    & skf21("5","2","2","4","5","4","3","1") = "4"
    & skf21("5","2","2","4","5","4","4","1") = "4"
    & skf21("5","2","2","4","5","4","5","1") = "4"
    & skf21("5","2","2","4","5","4","6","1") = "5"
    & skf21("5","2","2","4","5","4","7","1") = "6"
    & skf21("5","2","2","4","5","5","1","1") = "4"
    & skf21("5","2","2","4","5","5","2","1") = "4"
    & skf21("5","2","2","4","5","5","3","1") = "4"
    & skf21("5","2","2","4","5","5","4","1") = "4"
    & skf21("5","2","2","4","5","5","5","1") = "4"
    & skf21("5","2","2","4","5","5","6","1") = "5"
    & skf21("5","2","2","4","5","5","7","1") = "6"
    & skf21("5","2","2","4","5","6","1","1") = "5"
    & skf21("5","2","2","4","5","6","2","1") = "5"
    & skf21("5","2","2","4","5","6","3","1") = "5"
    & skf21("5","2","2","4","5","6","4","1") = "5"
    & skf21("5","2","2","4","5","6","5","1") = "5"
    & skf21("5","2","2","4","5","6","6","1") = "5"
    & skf21("5","2","2","4","5","6","7","1") = "6"
    & skf21("5","2","2","4","5","7","1","1") = "6"
    & skf21("5","2","2","4","5","7","2","1") = "6"
    & skf21("5","2","2","4","5","7","3","1") = "6"
    & skf21("5","2","2","4","5","7","4","1") = "6"
    & skf21("5","2","2","4","5","7","5","1") = "6"
    & skf21("5","2","2","4","5","7","6","1") = "6"
    & skf21("5","2","2","4","5","7","7","1") = "6"
    & skf21("5","2","2","4","6","1","1","1") = "5"
    & skf21("5","2","2","4","6","1","2","1") = "5"
    & skf21("5","2","2","4","6","1","3","1") = "5"
    & skf21("5","2","2","4","6","1","4","1") = "5"
    & skf21("5","2","2","4","6","1","5","1") = "5"
    & skf21("5","2","2","4","6","1","6","1") = "5"
    & skf21("5","2","2","4","6","1","7","1") = "6"
    & skf21("5","2","2","4","6","2","1","1") = "5"
    & skf21("5","2","2","4","6","2","2","1") = "5"
    & skf21("5","2","2","4","6","2","3","1") = "5"
    & skf21("5","2","2","4","6","2","4","1") = "5"
    & skf21("5","2","2","4","6","2","5","1") = "5"
    & skf21("5","2","2","4","6","2","6","1") = "5"
    & skf21("5","2","2","4","6","2","7","1") = "6"
    & skf21("5","2","2","4","6","3","1","1") = "5"
    & skf21("5","2","2","4","6","3","2","1") = "5"
    & skf21("5","2","2","4","6","3","3","1") = "5"
    & skf21("5","2","2","4","6","3","4","1") = "5"
    & skf21("5","2","2","4","6","3","5","1") = "5"
    & skf21("5","2","2","4","6","3","6","1") = "5"
    & skf21("5","2","2","4","6","3","7","1") = "6"
    & skf21("5","2","2","4","6","4","1","1") = "5"
    & skf21("5","2","2","4","6","4","2","1") = "5"
    & skf21("5","2","2","4","6","4","3","1") = "5"
    & skf21("5","2","2","4","6","4","4","1") = "5"
    & skf21("5","2","2","4","6","4","5","1") = "5"
    & skf21("5","2","2","4","6","4","6","1") = "5"
    & skf21("5","2","2","4","6","4","7","1") = "6"
    & skf21("5","2","2","4","6","5","1","1") = "5"
    & skf21("5","2","2","4","6","5","2","1") = "5"
    & skf21("5","2","2","4","6","5","3","1") = "5"
    & skf21("5","2","2","4","6","5","4","1") = "5"
    & skf21("5","2","2","4","6","5","5","1") = "5"
    & skf21("5","2","2","4","6","5","6","1") = "5"
    & skf21("5","2","2","4","6","5","7","1") = "6"
    & skf21("5","2","2","4","6","6","1","1") = "5"
    & skf21("5","2","2","4","6","6","2","1") = "5"
    & skf21("5","2","2","4","6","6","3","1") = "5"
    & skf21("5","2","2","4","6","6","4","1") = "5"
    & skf21("5","2","2","4","6","6","5","1") = "5"
    & skf21("5","2","2","4","6","6","6","1") = "5"
    & skf21("5","2","2","4","6","6","7","1") = "6"
    & skf21("5","2","2","4","6","7","1","1") = "6"
    & skf21("5","2","2","4","6","7","2","1") = "6"
    & skf21("5","2","2","4","6","7","3","1") = "6"
    & skf21("5","2","2","4","6","7","4","1") = "6"
    & skf21("5","2","2","4","6","7","5","1") = "6"
    & skf21("5","2","2","4","6","7","6","1") = "6"
    & skf21("5","2","2","4","6","7","7","1") = "6"
    & skf21("5","2","2","4","7","1","1","1") = "6"
    & skf21("5","2","2","4","7","1","2","1") = "6"
    & skf21("5","2","2","4","7","1","3","1") = "6"
    & skf21("5","2","2","4","7","1","4","1") = "6"
    & skf21("5","2","2","4","7","1","5","1") = "6"
    & skf21("5","2","2","4","7","1","6","1") = "6"
    & skf21("5","2","2","4","7","1","7","1") = "6"
    & skf21("5","2","2","4","7","2","1","1") = "6"
    & skf21("5","2","2","4","7","2","2","1") = "6"
    & skf21("5","2","2","4","7","2","3","1") = "6"
    & skf21("5","2","2","4","7","2","4","1") = "6"
    & skf21("5","2","2","4","7","2","5","1") = "6"
    & skf21("5","2","2","4","7","2","6","1") = "6"
    & skf21("5","2","2","4","7","2","7","1") = "6"
    & skf21("5","2","2","4","7","3","1","1") = "6"
    & skf21("5","2","2","4","7","3","2","1") = "6"
    & skf21("5","2","2","4","7","3","3","1") = "6"
    & skf21("5","2","2","4","7","3","4","1") = "6"
    & skf21("5","2","2","4","7","3","5","1") = "6"
    & skf21("5","2","2","4","7","3","6","1") = "6"
    & skf21("5","2","2","4","7","3","7","1") = "6"
    & skf21("5","2","2","4","7","4","1","1") = "6"
    & skf21("5","2","2","4","7","4","2","1") = "6"
    & skf21("5","2","2","4","7","4","3","1") = "6"
    & skf21("5","2","2","4","7","4","4","1") = "6"
    & skf21("5","2","2","4","7","4","5","1") = "6"
    & skf21("5","2","2","4","7","4","6","1") = "6"
    & skf21("5","2","2","4","7","4","7","1") = "6"
    & skf21("5","2","2","4","7","5","1","1") = "6"
    & skf21("5","2","2","4","7","5","2","1") = "6"
    & skf21("5","2","2","4","7","5","3","1") = "6"
    & skf21("5","2","2","4","7","5","4","1") = "6"
    & skf21("5","2","2","4","7","5","5","1") = "6"
    & skf21("5","2","2","4","7","5","6","1") = "6"
    & skf21("5","2","2","4","7","5","7","1") = "6"
    & skf21("5","2","2","4","7","6","1","1") = "6"
    & skf21("5","2","2","4","7","6","2","1") = "6"
    & skf21("5","2","2","4","7","6","3","1") = "6"
    & skf21("5","2","2","4","7","6","4","1") = "6"
    & skf21("5","2","2","4","7","6","5","1") = "6"
    & skf21("5","2","2","4","7","6","6","1") = "6"
    & skf21("5","2","2","4","7","6","7","1") = "6"
    & skf21("5","2","2","4","7","7","1","1") = "6"
    & skf21("5","2","2","4","7","7","2","1") = "6"
    & skf21("5","2","2","4","7","7","3","1") = "6"
    & skf21("5","2","2","4","7","7","4","1") = "6"
    & skf21("5","2","2","4","7","7","5","1") = "6"
    & skf21("5","2","2","4","7","7","6","1") = "6"
    & skf21("5","2","2","4","7","7","7","1") = "6"
    & skf21("5","2","2","5","1","1","1","1") = "4"
    & skf21("5","2","2","5","1","1","2","1") = "4"
    & skf21("5","2","2","5","1","1","3","1") = "4"
    & skf21("5","2","2","5","1","1","4","1") = "4"
    & skf21("5","2","2","5","1","1","5","1") = "4"
    & skf21("5","2","2","5","1","1","6","1") = "5"
    & skf21("5","2","2","5","1","1","7","1") = "6"
    & skf21("5","2","2","5","1","2","1","1") = "4"
    & skf21("5","2","2","5","1","2","2","1") = "4"
    & skf21("5","2","2","5","1","2","3","1") = "4"
    & skf21("5","2","2","5","1","2","4","1") = "4"
    & skf21("5","2","2","5","1","2","5","1") = "4"
    & skf21("5","2","2","5","1","2","6","1") = "5"
    & skf21("5","2","2","5","1","2","7","1") = "6"
    & skf21("5","2","2","5","1","3","1","1") = "4"
    & skf21("5","2","2","5","1","3","2","1") = "4"
    & skf21("5","2","2","5","1","3","3","1") = "4"
    & skf21("5","2","2","5","1","3","4","1") = "4"
    & skf21("5","2","2","5","1","3","5","1") = "4"
    & skf21("5","2","2","5","1","3","6","1") = "5"
    & skf21("5","2","2","5","1","3","7","1") = "6"
    & skf21("5","2","2","5","1","4","1","1") = "4"
    & skf21("5","2","2","5","1","4","2","1") = "4"
    & skf21("5","2","2","5","1","4","3","1") = "4"
    & skf21("5","2","2","5","1","4","4","1") = "4"
    & skf21("5","2","2","5","1","4","5","1") = "4"
    & skf21("5","2","2","5","1","4","6","1") = "5"
    & skf21("5","2","2","5","1","4","7","1") = "6"
    & skf21("5","2","2","5","1","5","1","1") = "4"
    & skf21("5","2","2","5","1","5","2","1") = "4"
    & skf21("5","2","2","5","1","5","3","1") = "4"
    & skf21("5","2","2","5","1","5","4","1") = "4"
    & skf21("5","2","2","5","1","5","5","1") = "4"
    & skf21("5","2","2","5","1","5","6","1") = "5"
    & skf21("5","2","2","5","1","5","7","1") = "6"
    & skf21("5","2","2","5","1","6","1","1") = "5"
    & skf21("5","2","2","5","1","6","2","1") = "5"
    & skf21("5","2","2","5","1","6","3","1") = "5"
    & skf21("5","2","2","5","1","6","4","1") = "5"
    & skf21("5","2","2","5","1","6","5","1") = "5"
    & skf21("5","2","2","5","1","6","6","1") = "5"
    & skf21("5","2","2","5","1","6","7","1") = "6"
    & skf21("5","2","2","5","1","7","1","1") = "6"
    & skf21("5","2","2","5","1","7","2","1") = "6"
    & skf21("5","2","2","5","1","7","3","1") = "6"
    & skf21("5","2","2","5","1","7","4","1") = "6"
    & skf21("5","2","2","5","1","7","5","1") = "6"
    & skf21("5","2","2","5","1","7","6","1") = "6"
    & skf21("5","2","2","5","1","7","7","1") = "6"
    & skf21("5","2","2","5","2","1","1","1") = "4"
    & skf21("5","2","2","5","2","1","2","1") = "4"
    & skf21("5","2","2","5","2","1","3","1") = "4"
    & skf21("5","2","2","5","2","1","4","1") = "4"
    & skf21("5","2","2","5","2","1","5","1") = "4"
    & skf21("5","2","2","5","2","1","6","1") = "5"
    & skf21("5","2","2","5","2","1","7","1") = "6"
    & skf21("5","2","2","5","2","2","1","1") = "4"
    & skf21("5","2","2","5","2","2","2","1") = "4"
    & skf21("5","2","2","5","2","2","3","1") = "4"
    & skf21("5","2","2","5","2","2","4","1") = "4"
    & skf21("5","2","2","5","2","2","5","1") = "4"
    & skf21("5","2","2","5","2","2","6","1") = "5"
    & skf21("5","2","2","5","2","2","7","1") = "6"
    & skf21("5","2","2","5","2","3","1","1") = "4"
    & skf21("5","2","2","5","2","3","2","1") = "4"
    & skf21("5","2","2","5","2","3","3","1") = "4"
    & skf21("5","2","2","5","2","3","4","1") = "4"
    & skf21("5","2","2","5","2","3","5","1") = "4"
    & skf21("5","2","2","5","2","3","6","1") = "5"
    & skf21("5","2","2","5","2","3","7","1") = "6"
    & skf21("5","2","2","5","2","4","1","1") = "4"
    & skf21("5","2","2","5","2","4","2","1") = "4"
    & skf21("5","2","2","5","2","4","3","1") = "4"
    & skf21("5","2","2","5","2","4","4","1") = "4"
    & skf21("5","2","2","5","2","4","5","1") = "4"
    & skf21("5","2","2","5","2","4","6","1") = "5"
    & skf21("5","2","2","5","2","4","7","1") = "6"
    & skf21("5","2","2","5","2","5","1","1") = "4"
    & skf21("5","2","2","5","2","5","2","1") = "4"
    & skf21("5","2","2","5","2","5","3","1") = "4"
    & skf21("5","2","2","5","2","5","4","1") = "4"
    & skf21("5","2","2","5","2","5","5","1") = "4"
    & skf21("5","2","2","5","2","5","6","1") = "5"
    & skf21("5","2","2","5","2","5","7","1") = "6"
    & skf21("5","2","2","5","2","6","1","1") = "5"
    & skf21("5","2","2","5","2","6","2","1") = "5"
    & skf21("5","2","2","5","2","6","3","1") = "5"
    & skf21("5","2","2","5","2","6","4","1") = "5"
    & skf21("5","2","2","5","2","6","5","1") = "5"
    & skf21("5","2","2","5","2","6","6","1") = "5"
    & skf21("5","2","2","5","2","6","7","1") = "6"
    & skf21("5","2","2","5","2","7","1","1") = "6"
    & skf21("5","2","2","5","2","7","2","1") = "6"
    & skf21("5","2","2","5","2","7","3","1") = "6"
    & skf21("5","2","2","5","2","7","4","1") = "6"
    & skf21("5","2","2","5","2","7","5","1") = "6"
    & skf21("5","2","2","5","2","7","6","1") = "6"
    & skf21("5","2","2","5","2","7","7","1") = "6"
    & skf21("5","2","2","5","3","1","1","1") = "4"
    & skf21("5","2","2","5","3","1","2","1") = "4"
    & skf21("5","2","2","5","3","1","3","1") = "4"
    & skf21("5","2","2","5","3","1","4","1") = "4"
    & skf21("5","2","2","5","3","1","5","1") = "4"
    & skf21("5","2","2","5","3","1","6","1") = "5"
    & skf21("5","2","2","5","3","1","7","1") = "6"
    & skf21("5","2","2","5","3","2","1","1") = "4"
    & skf21("5","2","2","5","3","2","2","1") = "4"
    & skf21("5","2","2","5","3","2","3","1") = "4"
    & skf21("5","2","2","5","3","2","4","1") = "4"
    & skf21("5","2","2","5","3","2","5","1") = "4"
    & skf21("5","2","2","5","3","2","6","1") = "5"
    & skf21("5","2","2","5","3","2","7","1") = "6"
    & skf21("5","2","2","5","3","3","1","1") = "4"
    & skf21("5","2","2","5","3","3","2","1") = "4"
    & skf21("5","2","2","5","3","3","3","1") = "4"
    & skf21("5","2","2","5","3","3","4","1") = "4"
    & skf21("5","2","2","5","3","3","5","1") = "4"
    & skf21("5","2","2","5","3","3","6","1") = "5"
    & skf21("5","2","2","5","3","3","7","1") = "6"
    & skf21("5","2","2","5","3","4","1","1") = "4"
    & skf21("5","2","2","5","3","4","2","1") = "4"
    & skf21("5","2","2","5","3","4","3","1") = "4"
    & skf21("5","2","2","5","3","4","4","1") = "4"
    & skf21("5","2","2","5","3","4","5","1") = "4"
    & skf21("5","2","2","5","3","4","6","1") = "5"
    & skf21("5","2","2","5","3","4","7","1") = "6"
    & skf21("5","2","2","5","3","5","1","1") = "4"
    & skf21("5","2","2","5","3","5","2","1") = "4"
    & skf21("5","2","2","5","3","5","3","1") = "4"
    & skf21("5","2","2","5","3","5","4","1") = "4"
    & skf21("5","2","2","5","3","5","5","1") = "4"
    & skf21("5","2","2","5","3","5","6","1") = "5"
    & skf21("5","2","2","5","3","5","7","1") = "6"
    & skf21("5","2","2","5","3","6","1","1") = "5"
    & skf21("5","2","2","5","3","6","2","1") = "5"
    & skf21("5","2","2","5","3","6","3","1") = "5"
    & skf21("5","2","2","5","3","6","4","1") = "5"
    & skf21("5","2","2","5","3","6","5","1") = "5"
    & skf21("5","2","2","5","3","6","6","1") = "5"
    & skf21("5","2","2","5","3","6","7","1") = "6"
    & skf21("5","2","2","5","3","7","1","1") = "6"
    & skf21("5","2","2","5","3","7","2","1") = "6"
    & skf21("5","2","2","5","3","7","3","1") = "6"
    & skf21("5","2","2","5","3","7","4","1") = "6"
    & skf21("5","2","2","5","3","7","5","1") = "6"
    & skf21("5","2","2","5","3","7","6","1") = "6"
    & skf21("5","2","2","5","3","7","7","1") = "6"
    & skf21("5","2","2","5","4","1","1","1") = "4"
    & skf21("5","2","2","5","4","1","2","1") = "4"
    & skf21("5","2","2","5","4","1","3","1") = "4"
    & skf21("5","2","2","5","4","1","4","1") = "4"
    & skf21("5","2","2","5","4","1","5","1") = "4"
    & skf21("5","2","2","5","4","1","6","1") = "5"
    & skf21("5","2","2","5","4","1","7","1") = "6"
    & skf21("5","2","2","5","4","2","1","1") = "4"
    & skf21("5","2","2","5","4","2","2","1") = "4"
    & skf21("5","2","2","5","4","2","3","1") = "4"
    & skf21("5","2","2","5","4","2","4","1") = "4"
    & skf21("5","2","2","5","4","2","5","1") = "4"
    & skf21("5","2","2","5","4","2","6","1") = "5"
    & skf21("5","2","2","5","4","2","7","1") = "6"
    & skf21("5","2","2","5","4","3","1","1") = "4"
    & skf21("5","2","2","5","4","3","2","1") = "4"
    & skf21("5","2","2","5","4","3","3","1") = "4"
    & skf21("5","2","2","5","4","3","4","1") = "4"
    & skf21("5","2","2","5","4","3","5","1") = "4"
    & skf21("5","2","2","5","4","3","6","1") = "5"
    & skf21("5","2","2","5","4","3","7","1") = "6"
    & skf21("5","2","2","5","4","4","1","1") = "4"
    & skf21("5","2","2","5","4","4","2","1") = "4"
    & skf21("5","2","2","5","4","4","3","1") = "4"
    & skf21("5","2","2","5","4","4","4","1") = "4"
    & skf21("5","2","2","5","4","4","5","1") = "4"
    & skf21("5","2","2","5","4","4","6","1") = "5"
    & skf21("5","2","2","5","4","4","7","1") = "6"
    & skf21("5","2","2","5","4","5","1","1") = "4"
    & skf21("5","2","2","5","4","5","2","1") = "4"
    & skf21("5","2","2","5","4","5","3","1") = "4"
    & skf21("5","2","2","5","4","5","4","1") = "4"
    & skf21("5","2","2","5","4","5","5","1") = "4"
    & skf21("5","2","2","5","4","5","6","1") = "5"
    & skf21("5","2","2","5","4","5","7","1") = "6"
    & skf21("5","2","2","5","4","6","1","1") = "5"
    & skf21("5","2","2","5","4","6","2","1") = "5"
    & skf21("5","2","2","5","4","6","3","1") = "5"
    & skf21("5","2","2","5","4","6","4","1") = "5"
    & skf21("5","2","2","5","4","6","5","1") = "5"
    & skf21("5","2","2","5","4","6","6","1") = "5"
    & skf21("5","2","2","5","4","6","7","1") = "6"
    & skf21("5","2","2","5","4","7","1","1") = "6"
    & skf21("5","2","2","5","4","7","2","1") = "6"
    & skf21("5","2","2","5","4","7","3","1") = "6"
    & skf21("5","2","2","5","4","7","4","1") = "6"
    & skf21("5","2","2","5","4","7","5","1") = "6"
    & skf21("5","2","2","5","4","7","6","1") = "6"
    & skf21("5","2","2","5","4","7","7","1") = "6"
    & skf21("5","2","2","5","5","1","1","1") = "4"
    & skf21("5","2","2","5","5","1","2","1") = "4"
    & skf21("5","2","2","5","5","1","3","1") = "4"
    & skf21("5","2","2","5","5","1","4","1") = "4"
    & skf21("5","2","2","5","5","1","5","1") = "4"
    & skf21("5","2","2","5","5","1","6","1") = "5"
    & skf21("5","2","2","5","5","1","7","1") = "6"
    & skf21("5","2","2","5","5","2","1","1") = "4"
    & skf21("5","2","2","5","5","2","2","1") = "4"
    & skf21("5","2","2","5","5","2","3","1") = "4"
    & skf21("5","2","2","5","5","2","4","1") = "4"
    & skf21("5","2","2","5","5","2","5","1") = "4"
    & skf21("5","2","2","5","5","2","6","1") = "5"
    & skf21("5","2","2","5","5","2","7","1") = "6"
    & skf21("5","2","2","5","5","3","1","1") = "4"
    & skf21("5","2","2","5","5","3","2","1") = "4"
    & skf21("5","2","2","5","5","3","3","1") = "4"
    & skf21("5","2","2","5","5","3","4","1") = "4"
    & skf21("5","2","2","5","5","3","5","1") = "4"
    & skf21("5","2","2","5","5","3","6","1") = "5"
    & skf21("5","2","2","5","5","3","7","1") = "6"
    & skf21("5","2","2","5","5","4","1","1") = "4"
    & skf21("5","2","2","5","5","4","2","1") = "4"
    & skf21("5","2","2","5","5","4","3","1") = "4"
    & skf21("5","2","2","5","5","4","4","1") = "4"
    & skf21("5","2","2","5","5","4","5","1") = "4"
    & skf21("5","2","2","5","5","4","6","1") = "5"
    & skf21("5","2","2","5","5","4","7","1") = "6"
    & skf21("5","2","2","5","5","5","1","1") = "4"
    & skf21("5","2","2","5","5","5","2","1") = "4"
    & skf21("5","2","2","5","5","5","3","1") = "4"
    & skf21("5","2","2","5","5","5","4","1") = "4"
    & skf21("5","2","2","5","5","5","5","1") = "4"
    & skf21("5","2","2","5","5","5","6","1") = "5"
    & skf21("5","2","2","5","5","5","7","1") = "6"
    & skf21("5","2","2","5","5","6","1","1") = "5"
    & skf21("5","2","2","5","5","6","2","1") = "5"
    & skf21("5","2","2","5","5","6","3","1") = "5"
    & skf21("5","2","2","5","5","6","4","1") = "5"
    & skf21("5","2","2","5","5","6","5","1") = "5"
    & skf21("5","2","2","5","5","6","6","1") = "5"
    & skf21("5","2","2","5","5","6","7","1") = "6"
    & skf21("5","2","2","5","5","7","1","1") = "6"
    & skf21("5","2","2","5","5","7","2","1") = "6"
    & skf21("5","2","2","5","5","7","3","1") = "6"
    & skf21("5","2","2","5","5","7","4","1") = "6"
    & skf21("5","2","2","5","5","7","5","1") = "6"
    & skf21("5","2","2","5","5","7","6","1") = "6"
    & skf21("5","2","2","5","5","7","7","1") = "6"
    & skf21("5","2","2","5","6","1","1","1") = "5"
    & skf21("5","2","2","5","6","1","2","1") = "5"
    & skf21("5","2","2","5","6","1","3","1") = "5"
    & skf21("5","2","2","5","6","1","4","1") = "5"
    & skf21("5","2","2","5","6","1","5","1") = "5"
    & skf21("5","2","2","5","6","1","6","1") = "5"
    & skf21("5","2","2","5","6","1","7","1") = "6"
    & skf21("5","2","2","5","6","2","1","1") = "5"
    & skf21("5","2","2","5","6","2","2","1") = "5"
    & skf21("5","2","2","5","6","2","3","1") = "5"
    & skf21("5","2","2","5","6","2","4","1") = "5"
    & skf21("5","2","2","5","6","2","5","1") = "5"
    & skf21("5","2","2","5","6","2","6","1") = "5"
    & skf21("5","2","2","5","6","2","7","1") = "6"
    & skf21("5","2","2","5","6","3","1","1") = "5"
    & skf21("5","2","2","5","6","3","2","1") = "5"
    & skf21("5","2","2","5","6","3","3","1") = "5"
    & skf21("5","2","2","5","6","3","4","1") = "5"
    & skf21("5","2","2","5","6","3","5","1") = "5"
    & skf21("5","2","2","5","6","3","6","1") = "5"
    & skf21("5","2","2","5","6","3","7","1") = "6"
    & skf21("5","2","2","5","6","4","1","1") = "5"
    & skf21("5","2","2","5","6","4","2","1") = "5"
    & skf21("5","2","2","5","6","4","3","1") = "5"
    & skf21("5","2","2","5","6","4","4","1") = "5"
    & skf21("5","2","2","5","6","4","5","1") = "5"
    & skf21("5","2","2","5","6","4","6","1") = "5"
    & skf21("5","2","2","5","6","4","7","1") = "6"
    & skf21("5","2","2","5","6","5","1","1") = "5"
    & skf21("5","2","2","5","6","5","2","1") = "5"
    & skf21("5","2","2","5","6","5","3","1") = "5"
    & skf21("5","2","2","5","6","5","4","1") = "5"
    & skf21("5","2","2","5","6","5","5","1") = "5"
    & skf21("5","2","2","5","6","5","6","1") = "5"
    & skf21("5","2","2","5","6","5","7","1") = "6"
    & skf21("5","2","2","5","6","6","1","1") = "5"
    & skf21("5","2","2","5","6","6","2","1") = "5"
    & skf21("5","2","2","5","6","6","3","1") = "5"
    & skf21("5","2","2","5","6","6","4","1") = "5"
    & skf21("5","2","2","5","6","6","5","1") = "5"
    & skf21("5","2","2","5","6","6","6","1") = "5"
    & skf21("5","2","2","5","6","6","7","1") = "6"
    & skf21("5","2","2","5","6","7","1","1") = "6"
    & skf21("5","2","2","5","6","7","2","1") = "6"
    & skf21("5","2","2","5","6","7","3","1") = "6"
    & skf21("5","2","2","5","6","7","4","1") = "6"
    & skf21("5","2","2","5","6","7","5","1") = "6"
    & skf21("5","2","2","5","6","7","6","1") = "6"
    & skf21("5","2","2","5","6","7","7","1") = "6"
    & skf21("5","2","2","5","7","1","1","1") = "6"
    & skf21("5","2","2","5","7","1","2","1") = "6"
    & skf21("5","2","2","5","7","1","3","1") = "6"
    & skf21("5","2","2","5","7","1","4","1") = "6"
    & skf21("5","2","2","5","7","1","5","1") = "6"
    & skf21("5","2","2","5","7","1","6","1") = "6"
    & skf21("5","2","2","5","7","1","7","1") = "6"
    & skf21("5","2","2","5","7","2","1","1") = "6"
    & skf21("5","2","2","5","7","2","2","1") = "6"
    & skf21("5","2","2","5","7","2","3","1") = "6"
    & skf21("5","2","2","5","7","2","4","1") = "6"
    & skf21("5","2","2","5","7","2","5","1") = "6"
    & skf21("5","2","2","5","7","2","6","1") = "6"
    & skf21("5","2","2","5","7","2","7","1") = "6"
    & skf21("5","2","2","5","7","3","1","1") = "6"
    & skf21("5","2","2","5","7","3","2","1") = "6"
    & skf21("5","2","2","5","7","3","3","1") = "6"
    & skf21("5","2","2","5","7","3","4","1") = "6"
    & skf21("5","2","2","5","7","3","5","1") = "6"
    & skf21("5","2","2","5","7","3","6","1") = "6"
    & skf21("5","2","2","5","7","3","7","1") = "6"
    & skf21("5","2","2","5","7","4","1","1") = "6"
    & skf21("5","2","2","5","7","4","2","1") = "6"
    & skf21("5","2","2","5","7","4","3","1") = "6"
    & skf21("5","2","2","5","7","4","4","1") = "6"
    & skf21("5","2","2","5","7","4","5","1") = "6"
    & skf21("5","2","2","5","7","4","6","1") = "6"
    & skf21("5","2","2","5","7","4","7","1") = "6"
    & skf21("5","2","2","5","7","5","1","1") = "6"
    & skf21("5","2","2","5","7","5","2","1") = "6"
    & skf21("5","2","2","5","7","5","3","1") = "6"
    & skf21("5","2","2","5","7","5","4","1") = "6"
    & skf21("5","2","2","5","7","5","5","1") = "6"
    & skf21("5","2","2","5","7","5","6","1") = "6"
    & skf21("5","2","2","5","7","5","7","1") = "6"
    & skf21("5","2","2","5","7","6","1","1") = "6"
    & skf21("5","2","2","5","7","6","2","1") = "6"
    & skf21("5","2","2","5","7","6","3","1") = "6"
    & skf21("5","2","2","5","7","6","4","1") = "6"
    & skf21("5","2","2","5","7","6","5","1") = "6"
    & skf21("5","2","2","5","7","6","6","1") = "6"
    & skf21("5","2","2","5","7","6","7","1") = "6"
    & skf21("5","2","2","5","7","7","1","1") = "6"
    & skf21("5","2","2","5","7","7","2","1") = "6"
    & skf21("5","2","2","5","7","7","3","1") = "6"
    & skf21("5","2","2","5","7","7","4","1") = "6"
    & skf21("5","2","2","5","7","7","5","1") = "6"
    & skf21("5","2","2","5","7","7","6","1") = "6"
    & skf21("5","2","2","5","7","7","7","1") = "6"
    & skf21("5","2","2","6","1","1","1","1") = "5"
    & skf21("5","2","2","6","1","1","2","1") = "5"
    & skf21("5","2","2","6","1","1","3","1") = "5"
    & skf21("5","2","2","6","1","1","4","1") = "5"
    & skf21("5","2","2","6","1","1","5","1") = "5"
    & skf21("5","2","2","6","1","1","6","1") = "5"
    & skf21("5","2","2","6","1","1","7","1") = "6"
    & skf21("5","2","2","6","1","2","1","1") = "5"
    & skf21("5","2","2","6","1","2","2","1") = "5"
    & skf21("5","2","2","6","1","2","3","1") = "5"
    & skf21("5","2","2","6","1","2","4","1") = "5"
    & skf21("5","2","2","6","1","2","5","1") = "5"
    & skf21("5","2","2","6","1","2","6","1") = "5"
    & skf21("5","2","2","6","1","2","7","1") = "6"
    & skf21("5","2","2","6","1","3","1","1") = "5"
    & skf21("5","2","2","6","1","3","2","1") = "5"
    & skf21("5","2","2","6","1","3","3","1") = "5"
    & skf21("5","2","2","6","1","3","4","1") = "5"
    & skf21("5","2","2","6","1","3","5","1") = "5"
    & skf21("5","2","2","6","1","3","6","1") = "5"
    & skf21("5","2","2","6","1","3","7","1") = "6"
    & skf21("5","2","2","6","1","4","1","1") = "5"
    & skf21("5","2","2","6","1","4","2","1") = "5"
    & skf21("5","2","2","6","1","4","3","1") = "5"
    & skf21("5","2","2","6","1","4","4","1") = "5"
    & skf21("5","2","2","6","1","4","5","1") = "5"
    & skf21("5","2","2","6","1","4","6","1") = "5"
    & skf21("5","2","2","6","1","4","7","1") = "6"
    & skf21("5","2","2","6","1","5","1","1") = "5"
    & skf21("5","2","2","6","1","5","2","1") = "5"
    & skf21("5","2","2","6","1","5","3","1") = "5"
    & skf21("5","2","2","6","1","5","4","1") = "5"
    & skf21("5","2","2","6","1","5","5","1") = "5"
    & skf21("5","2","2","6","1","5","6","1") = "5"
    & skf21("5","2","2","6","1","5","7","1") = "6"
    & skf21("5","2","2","6","1","6","1","1") = "5"
    & skf21("5","2","2","6","1","6","2","1") = "5"
    & skf21("5","2","2","6","1","6","3","1") = "5"
    & skf21("5","2","2","6","1","6","4","1") = "5"
    & skf21("5","2","2","6","1","6","5","1") = "5"
    & skf21("5","2","2","6","1","6","6","1") = "5"
    & skf21("5","2","2","6","1","6","7","1") = "6"
    & skf21("5","2","2","6","1","7","1","1") = "6"
    & skf21("5","2","2","6","1","7","2","1") = "6"
    & skf21("5","2","2","6","1","7","3","1") = "6"
    & skf21("5","2","2","6","1","7","4","1") = "6"
    & skf21("5","2","2","6","1","7","5","1") = "6"
    & skf21("5","2","2","6","1","7","6","1") = "6"
    & skf21("5","2","2","6","1","7","7","1") = "6"
    & skf21("5","2","2","6","2","1","1","1") = "5"
    & skf21("5","2","2","6","2","1","2","1") = "5"
    & skf21("5","2","2","6","2","1","3","1") = "5"
    & skf21("5","2","2","6","2","1","4","1") = "5"
    & skf21("5","2","2","6","2","1","5","1") = "5"
    & skf21("5","2","2","6","2","1","6","1") = "5"
    & skf21("5","2","2","6","2","1","7","1") = "6"
    & skf21("5","2","2","6","2","2","1","1") = "5"
    & skf21("5","2","2","6","2","2","2","1") = "5"
    & skf21("5","2","2","6","2","2","3","1") = "5"
    & skf21("5","2","2","6","2","2","4","1") = "5"
    & skf21("5","2","2","6","2","2","5","1") = "5"
    & skf21("5","2","2","6","2","2","6","1") = "5"
    & skf21("5","2","2","6","2","2","7","1") = "6"
    & skf21("5","2","2","6","2","3","1","1") = "5"
    & skf21("5","2","2","6","2","3","2","1") = "5"
    & skf21("5","2","2","6","2","3","3","1") = "5"
    & skf21("5","2","2","6","2","3","4","1") = "5"
    & skf21("5","2","2","6","2","3","5","1") = "5"
    & skf21("5","2","2","6","2","3","6","1") = "5"
    & skf21("5","2","2","6","2","3","7","1") = "6"
    & skf21("5","2","2","6","2","4","1","1") = "5"
    & skf21("5","2","2","6","2","4","2","1") = "5"
    & skf21("5","2","2","6","2","4","3","1") = "5"
    & skf21("5","2","2","6","2","4","4","1") = "5"
    & skf21("5","2","2","6","2","4","5","1") = "5"
    & skf21("5","2","2","6","2","4","6","1") = "5"
    & skf21("5","2","2","6","2","4","7","1") = "6"
    & skf21("5","2","2","6","2","5","1","1") = "5"
    & skf21("5","2","2","6","2","5","2","1") = "5"
    & skf21("5","2","2","6","2","5","3","1") = "5"
    & skf21("5","2","2","6","2","5","4","1") = "5"
    & skf21("5","2","2","6","2","5","5","1") = "5"
    & skf21("5","2","2","6","2","5","6","1") = "5"
    & skf21("5","2","2","6","2","5","7","1") = "6"
    & skf21("5","2","2","6","2","6","1","1") = "5"
    & skf21("5","2","2","6","2","6","2","1") = "5"
    & skf21("5","2","2","6","2","6","3","1") = "5"
    & skf21("5","2","2","6","2","6","4","1") = "5"
    & skf21("5","2","2","6","2","6","5","1") = "5"
    & skf21("5","2","2","6","2","6","6","1") = "5"
    & skf21("5","2","2","6","2","6","7","1") = "6"
    & skf21("5","2","2","6","2","7","1","1") = "6"
    & skf21("5","2","2","6","2","7","2","1") = "6"
    & skf21("5","2","2","6","2","7","3","1") = "6"
    & skf21("5","2","2","6","2","7","4","1") = "6"
    & skf21("5","2","2","6","2","7","5","1") = "6"
    & skf21("5","2","2","6","2","7","6","1") = "6"
    & skf21("5","2","2","6","2","7","7","1") = "6"
    & skf21("5","2","2","6","3","1","1","1") = "5"
    & skf21("5","2","2","6","3","1","2","1") = "5"
    & skf21("5","2","2","6","3","1","3","1") = "5"
    & skf21("5","2","2","6","3","1","4","1") = "5"
    & skf21("5","2","2","6","3","1","5","1") = "5"
    & skf21("5","2","2","6","3","1","6","1") = "5"
    & skf21("5","2","2","6","3","1","7","1") = "6"
    & skf21("5","2","2","6","3","2","1","1") = "5"
    & skf21("5","2","2","6","3","2","2","1") = "5"
    & skf21("5","2","2","6","3","2","3","1") = "5"
    & skf21("5","2","2","6","3","2","4","1") = "5"
    & skf21("5","2","2","6","3","2","5","1") = "5"
    & skf21("5","2","2","6","3","2","6","1") = "5"
    & skf21("5","2","2","6","3","2","7","1") = "6"
    & skf21("5","2","2","6","3","3","1","1") = "5"
    & skf21("5","2","2","6","3","3","2","1") = "5"
    & skf21("5","2","2","6","3","3","3","1") = "5"
    & skf21("5","2","2","6","3","3","4","1") = "5"
    & skf21("5","2","2","6","3","3","5","1") = "5"
    & skf21("5","2","2","6","3","3","6","1") = "5"
    & skf21("5","2","2","6","3","3","7","1") = "6"
    & skf21("5","2","2","6","3","4","1","1") = "5"
    & skf21("5","2","2","6","3","4","2","1") = "5"
    & skf21("5","2","2","6","3","4","3","1") = "5"
    & skf21("5","2","2","6","3","4","4","1") = "5"
    & skf21("5","2","2","6","3","4","5","1") = "5"
    & skf21("5","2","2","6","3","4","6","1") = "5"
    & skf21("5","2","2","6","3","4","7","1") = "6"
    & skf21("5","2","2","6","3","5","1","1") = "5"
    & skf21("5","2","2","6","3","5","2","1") = "5"
    & skf21("5","2","2","6","3","5","3","1") = "5"
    & skf21("5","2","2","6","3","5","4","1") = "5"
    & skf21("5","2","2","6","3","5","5","1") = "5"
    & skf21("5","2","2","6","3","5","6","1") = "5"
    & skf21("5","2","2","6","3","5","7","1") = "6"
    & skf21("5","2","2","6","3","6","1","1") = "5"
    & skf21("5","2","2","6","3","6","2","1") = "5"
    & skf21("5","2","2","6","3","6","3","1") = "5"
    & skf21("5","2","2","6","3","6","4","1") = "5"
    & skf21("5","2","2","6","3","6","5","1") = "5"
    & skf21("5","2","2","6","3","6","6","1") = "5"
    & skf21("5","2","2","6","3","6","7","1") = "6"
    & skf21("5","2","2","6","3","7","1","1") = "6"
    & skf21("5","2","2","6","3","7","2","1") = "6"
    & skf21("5","2","2","6","3","7","3","1") = "6"
    & skf21("5","2","2","6","3","7","4","1") = "6"
    & skf21("5","2","2","6","3","7","5","1") = "6"
    & skf21("5","2","2","6","3","7","6","1") = "6"
    & skf21("5","2","2","6","3","7","7","1") = "6"
    & skf21("5","2","2","6","4","1","1","1") = "5"
    & skf21("5","2","2","6","4","1","2","1") = "5"
    & skf21("5","2","2","6","4","1","3","1") = "5"
    & skf21("5","2","2","6","4","1","4","1") = "5"
    & skf21("5","2","2","6","4","1","5","1") = "5"
    & skf21("5","2","2","6","4","1","6","1") = "5"
    & skf21("5","2","2","6","4","1","7","1") = "6"
    & skf21("5","2","2","6","4","2","1","1") = "5"
    & skf21("5","2","2","6","4","2","2","1") = "5"
    & skf21("5","2","2","6","4","2","3","1") = "5"
    & skf21("5","2","2","6","4","2","4","1") = "5"
    & skf21("5","2","2","6","4","2","5","1") = "5"
    & skf21("5","2","2","6","4","2","6","1") = "5"
    & skf21("5","2","2","6","4","2","7","1") = "6"
    & skf21("5","2","2","6","4","3","1","1") = "5"
    & skf21("5","2","2","6","4","3","2","1") = "5"
    & skf21("5","2","2","6","4","3","3","1") = "5"
    & skf21("5","2","2","6","4","3","4","1") = "5"
    & skf21("5","2","2","6","4","3","5","1") = "5"
    & skf21("5","2","2","6","4","3","6","1") = "5"
    & skf21("5","2","2","6","4","3","7","1") = "6"
    & skf21("5","2","2","6","4","4","1","1") = "5"
    & skf21("5","2","2","6","4","4","2","1") = "5"
    & skf21("5","2","2","6","4","4","3","1") = "5"
    & skf21("5","2","2","6","4","4","4","1") = "5"
    & skf21("5","2","2","6","4","4","5","1") = "5"
    & skf21("5","2","2","6","4","4","6","1") = "5"
    & skf21("5","2","2","6","4","4","7","1") = "6"
    & skf21("5","2","2","6","4","5","1","1") = "5"
    & skf21("5","2","2","6","4","5","2","1") = "5"
    & skf21("5","2","2","6","4","5","3","1") = "5"
    & skf21("5","2","2","6","4","5","4","1") = "5"
    & skf21("5","2","2","6","4","5","5","1") = "5"
    & skf21("5","2","2","6","4","5","6","1") = "5"
    & skf21("5","2","2","6","4","5","7","1") = "6"
    & skf21("5","2","2","6","4","6","1","1") = "5"
    & skf21("5","2","2","6","4","6","2","1") = "5"
    & skf21("5","2","2","6","4","6","3","1") = "5"
    & skf21("5","2","2","6","4","6","4","1") = "5"
    & skf21("5","2","2","6","4","6","5","1") = "5"
    & skf21("5","2","2","6","4","6","6","1") = "5"
    & skf21("5","2","2","6","4","6","7","1") = "6"
    & skf21("5","2","2","6","4","7","1","1") = "6"
    & skf21("5","2","2","6","4","7","2","1") = "6"
    & skf21("5","2","2","6","4","7","3","1") = "6"
    & skf21("5","2","2","6","4","7","4","1") = "6"
    & skf21("5","2","2","6","4","7","5","1") = "6"
    & skf21("5","2","2","6","4","7","6","1") = "6"
    & skf21("5","2","2","6","4","7","7","1") = "6"
    & skf21("5","2","2","6","5","1","1","1") = "5"
    & skf21("5","2","2","6","5","1","2","1") = "5"
    & skf21("5","2","2","6","5","1","3","1") = "5"
    & skf21("5","2","2","6","5","1","4","1") = "5"
    & skf21("5","2","2","6","5","1","5","1") = "5"
    & skf21("5","2","2","6","5","1","6","1") = "5"
    & skf21("5","2","2","6","5","1","7","1") = "6"
    & skf21("5","2","2","6","5","2","1","1") = "5"
    & skf21("5","2","2","6","5","2","2","1") = "5"
    & skf21("5","2","2","6","5","2","3","1") = "5"
    & skf21("5","2","2","6","5","2","4","1") = "5"
    & skf21("5","2","2","6","5","2","5","1") = "5"
    & skf21("5","2","2","6","5","2","6","1") = "5"
    & skf21("5","2","2","6","5","2","7","1") = "6"
    & skf21("5","2","2","6","5","3","1","1") = "5"
    & skf21("5","2","2","6","5","3","2","1") = "5"
    & skf21("5","2","2","6","5","3","3","1") = "5"
    & skf21("5","2","2","6","5","3","4","1") = "5"
    & skf21("5","2","2","6","5","3","5","1") = "5"
    & skf21("5","2","2","6","5","3","6","1") = "5"
    & skf21("5","2","2","6","5","3","7","1") = "6"
    & skf21("5","2","2","6","5","4","1","1") = "5"
    & skf21("5","2","2","6","5","4","2","1") = "5"
    & skf21("5","2","2","6","5","4","3","1") = "5"
    & skf21("5","2","2","6","5","4","4","1") = "5"
    & skf21("5","2","2","6","5","4","5","1") = "5"
    & skf21("5","2","2","6","5","4","6","1") = "5"
    & skf21("5","2","2","6","5","4","7","1") = "6"
    & skf21("5","2","2","6","5","5","1","1") = "5"
    & skf21("5","2","2","6","5","5","2","1") = "5"
    & skf21("5","2","2","6","5","5","3","1") = "5"
    & skf21("5","2","2","6","5","5","4","1") = "5"
    & skf21("5","2","2","6","5","5","5","1") = "5"
    & skf21("5","2","2","6","5","5","6","1") = "5"
    & skf21("5","2","2","6","5","5","7","1") = "6"
    & skf21("5","2","2","6","5","6","1","1") = "5"
    & skf21("5","2","2","6","5","6","2","1") = "5"
    & skf21("5","2","2","6","5","6","3","1") = "5"
    & skf21("5","2","2","6","5","6","4","1") = "5"
    & skf21("5","2","2","6","5","6","5","1") = "5"
    & skf21("5","2","2","6","5","6","6","1") = "5"
    & skf21("5","2","2","6","5","6","7","1") = "6"
    & skf21("5","2","2","6","5","7","1","1") = "6"
    & skf21("5","2","2","6","5","7","2","1") = "6"
    & skf21("5","2","2","6","5","7","3","1") = "6"
    & skf21("5","2","2","6","5","7","4","1") = "6"
    & skf21("5","2","2","6","5","7","5","1") = "6"
    & skf21("5","2","2","6","5","7","6","1") = "6"
    & skf21("5","2","2","6","5","7","7","1") = "6"
    & skf21("5","2","2","6","6","1","1","1") = "5"
    & skf21("5","2","2","6","6","1","2","1") = "5"
    & skf21("5","2","2","6","6","1","3","1") = "5"
    & skf21("5","2","2","6","6","1","4","1") = "5"
    & skf21("5","2","2","6","6","1","5","1") = "5"
    & skf21("5","2","2","6","6","1","6","1") = "5"
    & skf21("5","2","2","6","6","1","7","1") = "6"
    & skf21("5","2","2","6","6","2","1","1") = "5"
    & skf21("5","2","2","6","6","2","2","1") = "5"
    & skf21("5","2","2","6","6","2","3","1") = "5"
    & skf21("5","2","2","6","6","2","4","1") = "5"
    & skf21("5","2","2","6","6","2","5","1") = "5"
    & skf21("5","2","2","6","6","2","6","1") = "5"
    & skf21("5","2","2","6","6","2","7","1") = "6"
    & skf21("5","2","2","6","6","3","1","1") = "5"
    & skf21("5","2","2","6","6","3","2","1") = "5"
    & skf21("5","2","2","6","6","3","3","1") = "5"
    & skf21("5","2","2","6","6","3","4","1") = "5"
    & skf21("5","2","2","6","6","3","5","1") = "5"
    & skf21("5","2","2","6","6","3","6","1") = "5"
    & skf21("5","2","2","6","6","3","7","1") = "6"
    & skf21("5","2","2","6","6","4","1","1") = "5"
    & skf21("5","2","2","6","6","4","2","1") = "5"
    & skf21("5","2","2","6","6","4","3","1") = "5"
    & skf21("5","2","2","6","6","4","4","1") = "5"
    & skf21("5","2","2","6","6","4","5","1") = "5"
    & skf21("5","2","2","6","6","4","6","1") = "5"
    & skf21("5","2","2","6","6","4","7","1") = "6"
    & skf21("5","2","2","6","6","5","1","1") = "5"
    & skf21("5","2","2","6","6","5","2","1") = "5"
    & skf21("5","2","2","6","6","5","3","1") = "5"
    & skf21("5","2","2","6","6","5","4","1") = "5"
    & skf21("5","2","2","6","6","5","5","1") = "5"
    & skf21("5","2","2","6","6","5","6","1") = "5"
    & skf21("5","2","2","6","6","5","7","1") = "6"
    & skf21("5","2","2","6","6","6","1","1") = "5"
    & skf21("5","2","2","6","6","6","2","1") = "5"
    & skf21("5","2","2","6","6","6","3","1") = "5"
    & skf21("5","2","2","6","6","6","4","1") = "5"
    & skf21("5","2","2","6","6","6","5","1") = "5"
    & skf21("5","2","2","6","6","6","6","1") = "5"
    & skf21("5","2","2","6","6","6","7","1") = "6"
    & skf21("5","2","2","6","6","7","1","1") = "6"
    & skf21("5","2","2","6","6","7","2","1") = "6"
    & skf21("5","2","2","6","6","7","3","1") = "6"
    & skf21("5","2","2","6","6","7","4","1") = "6"
    & skf21("5","2","2","6","6","7","5","1") = "6"
    & skf21("5","2","2","6","6","7","6","1") = "6"
    & skf21("5","2","2","6","6","7","7","1") = "6"
    & skf21("5","2","2","6","7","1","1","1") = "6"
    & skf21("5","2","2","6","7","1","2","1") = "6"
    & skf21("5","2","2","6","7","1","3","1") = "6"
    & skf21("5","2","2","6","7","1","4","1") = "6"
    & skf21("5","2","2","6","7","1","5","1") = "6"
    & skf21("5","2","2","6","7","1","6","1") = "6"
    & skf21("5","2","2","6","7","1","7","1") = "6"
    & skf21("5","2","2","6","7","2","1","1") = "6"
    & skf21("5","2","2","6","7","2","2","1") = "6"
    & skf21("5","2","2","6","7","2","3","1") = "6"
    & skf21("5","2","2","6","7","2","4","1") = "6"
    & skf21("5","2","2","6","7","2","5","1") = "6"
    & skf21("5","2","2","6","7","2","6","1") = "6"
    & skf21("5","2","2","6","7","2","7","1") = "6"
    & skf21("5","2","2","6","7","3","1","1") = "6"
    & skf21("5","2","2","6","7","3","2","1") = "6"
    & skf21("5","2","2","6","7","3","3","1") = "6"
    & skf21("5","2","2","6","7","3","4","1") = "6"
    & skf21("5","2","2","6","7","3","5","1") = "6"
    & skf21("5","2","2","6","7","3","6","1") = "6"
    & skf21("5","2","2","6","7","3","7","1") = "6"
    & skf21("5","2","2","6","7","4","1","1") = "6"
    & skf21("5","2","2","6","7","4","2","1") = "6"
    & skf21("5","2","2","6","7","4","3","1") = "6"
    & skf21("5","2","2","6","7","4","4","1") = "6"
    & skf21("5","2","2","6","7","4","5","1") = "6"
    & skf21("5","2","2","6","7","4","6","1") = "6"
    & skf21("5","2","2","6","7","4","7","1") = "6"
    & skf21("5","2","2","6","7","5","1","1") = "6"
    & skf21("5","2","2","6","7","5","2","1") = "6"
    & skf21("5","2","2","6","7","5","3","1") = "6"
    & skf21("5","2","2","6","7","5","4","1") = "6"
    & skf21("5","2","2","6","7","5","5","1") = "6"
    & skf21("5","2","2","6","7","5","6","1") = "6"
    & skf21("5","2","2","6","7","5","7","1") = "6"
    & skf21("5","2","2","6","7","6","1","1") = "6"
    & skf21("5","2","2","6","7","6","2","1") = "6"
    & skf21("5","2","2","6","7","6","3","1") = "6"
    & skf21("5","2","2","6","7","6","4","1") = "6"
    & skf21("5","2","2","6","7","6","5","1") = "6"
    & skf21("5","2","2","6","7","6","6","1") = "6"
    & skf21("5","2","2","6","7","6","7","1") = "6"
    & skf21("5","2","2","6","7","7","1","1") = "6"
    & skf21("5","2","2","6","7","7","2","1") = "6"
    & skf21("5","2","2","6","7","7","3","1") = "6"
    & skf21("5","2","2","6","7","7","4","1") = "6"
    & skf21("5","2","2","6","7","7","5","1") = "6"
    & skf21("5","2","2","6","7","7","6","1") = "6"
    & skf21("5","2","2","6","7","7","7","1") = "6"
    & skf21("5","2","2","7","1","1","1","1") = "6"
    & skf21("5","2","2","7","1","1","2","1") = "6"
    & skf21("5","2","2","7","1","1","3","1") = "6"
    & skf21("5","2","2","7","1","1","4","1") = "6"
    & skf21("5","2","2","7","1","1","5","1") = "6"
    & skf21("5","2","2","7","1","1","6","1") = "6"
    & skf21("5","2","2","7","1","1","7","1") = "6"
    & skf21("5","2","2","7","1","2","1","1") = "6"
    & skf21("5","2","2","7","1","2","2","1") = "6"
    & skf21("5","2","2","7","1","2","3","1") = "6"
    & skf21("5","2","2","7","1","2","4","1") = "6"
    & skf21("5","2","2","7","1","2","5","1") = "6"
    & skf21("5","2","2","7","1","2","6","1") = "6"
    & skf21("5","2","2","7","1","2","7","1") = "6"
    & skf21("5","2","2","7","1","3","1","1") = "6"
    & skf21("5","2","2","7","1","3","2","1") = "6"
    & skf21("5","2","2","7","1","3","3","1") = "6"
    & skf21("5","2","2","7","1","3","4","1") = "6"
    & skf21("5","2","2","7","1","3","5","1") = "6"
    & skf21("5","2","2","7","1","3","6","1") = "6"
    & skf21("5","2","2","7","1","3","7","1") = "6"
    & skf21("5","2","2","7","1","4","1","1") = "6"
    & skf21("5","2","2","7","1","4","2","1") = "6"
    & skf21("5","2","2","7","1","4","3","1") = "6"
    & skf21("5","2","2","7","1","4","4","1") = "6"
    & skf21("5","2","2","7","1","4","5","1") = "6"
    & skf21("5","2","2","7","1","4","6","1") = "6"
    & skf21("5","2","2","7","1","4","7","1") = "6"
    & skf21("5","2","2","7","1","5","1","1") = "6"
    & skf21("5","2","2","7","1","5","2","1") = "6"
    & skf21("5","2","2","7","1","5","3","1") = "6"
    & skf21("5","2","2","7","1","5","4","1") = "6"
    & skf21("5","2","2","7","1","5","5","1") = "6"
    & skf21("5","2","2","7","1","5","6","1") = "6"
    & skf21("5","2","2","7","1","5","7","1") = "6"
    & skf21("5","2","2","7","1","6","1","1") = "6"
    & skf21("5","2","2","7","1","6","2","1") = "6"
    & skf21("5","2","2","7","1","6","3","1") = "6"
    & skf21("5","2","2","7","1","6","4","1") = "6"
    & skf21("5","2","2","7","1","6","5","1") = "6"
    & skf21("5","2","2","7","1","6","6","1") = "6"
    & skf21("5","2","2","7","1","6","7","1") = "6"
    & skf21("5","2","2","7","1","7","1","1") = "6"
    & skf21("5","2","2","7","1","7","2","1") = "6"
    & skf21("5","2","2","7","1","7","3","1") = "6"
    & skf21("5","2","2","7","1","7","4","1") = "6"
    & skf21("5","2","2","7","1","7","5","1") = "6"
    & skf21("5","2","2","7","1","7","6","1") = "6"
    & skf21("5","2","2","7","1","7","7","1") = "6"
    & skf21("5","2","2","7","2","1","1","1") = "6"
    & skf21("5","2","2","7","2","1","2","1") = "6"
    & skf21("5","2","2","7","2","1","3","1") = "6"
    & skf21("5","2","2","7","2","1","4","1") = "6"
    & skf21("5","2","2","7","2","1","5","1") = "6"
    & skf21("5","2","2","7","2","1","6","1") = "6"
    & skf21("5","2","2","7","2","1","7","1") = "6"
    & skf21("5","2","2","7","2","2","1","1") = "6"
    & skf21("5","2","2","7","2","2","2","1") = "6"
    & skf21("5","2","2","7","2","2","3","1") = "6"
    & skf21("5","2","2","7","2","2","4","1") = "6"
    & skf21("5","2","2","7","2","2","5","1") = "6"
    & skf21("5","2","2","7","2","2","6","1") = "6"
    & skf21("5","2","2","7","2","2","7","1") = "6"
    & skf21("5","2","2","7","2","3","1","1") = "6"
    & skf21("5","2","2","7","2","3","2","1") = "6"
    & skf21("5","2","2","7","2","3","3","1") = "6"
    & skf21("5","2","2","7","2","3","4","1") = "6"
    & skf21("5","2","2","7","2","3","5","1") = "6"
    & skf21("5","2","2","7","2","3","6","1") = "6"
    & skf21("5","2","2","7","2","3","7","1") = "6"
    & skf21("5","2","2","7","2","4","1","1") = "6"
    & skf21("5","2","2","7","2","4","2","1") = "6"
    & skf21("5","2","2","7","2","4","3","1") = "6"
    & skf21("5","2","2","7","2","4","4","1") = "6"
    & skf21("5","2","2","7","2","4","5","1") = "6"
    & skf21("5","2","2","7","2","4","6","1") = "6"
    & skf21("5","2","2","7","2","4","7","1") = "6"
    & skf21("5","2","2","7","2","5","1","1") = "6"
    & skf21("5","2","2","7","2","5","2","1") = "6"
    & skf21("5","2","2","7","2","5","3","1") = "6"
    & skf21("5","2","2","7","2","5","4","1") = "6"
    & skf21("5","2","2","7","2","5","5","1") = "6"
    & skf21("5","2","2","7","2","5","6","1") = "6"
    & skf21("5","2","2","7","2","5","7","1") = "6"
    & skf21("5","2","2","7","2","6","1","1") = "6"
    & skf21("5","2","2","7","2","6","2","1") = "6"
    & skf21("5","2","2","7","2","6","3","1") = "6"
    & skf21("5","2","2","7","2","6","4","1") = "6"
    & skf21("5","2","2","7","2","6","5","1") = "6"
    & skf21("5","2","2","7","2","6","6","1") = "6"
    & skf21("5","2","2","7","2","6","7","1") = "6"
    & skf21("5","2","2","7","2","7","1","1") = "6"
    & skf21("5","2","2","7","2","7","2","1") = "6"
    & skf21("5","2","2","7","2","7","3","1") = "6"
    & skf21("5","2","2","7","2","7","4","1") = "6"
    & skf21("5","2","2","7","2","7","5","1") = "6"
    & skf21("5","2","2","7","2","7","6","1") = "6"
    & skf21("5","2","2","7","2","7","7","1") = "6"
    & skf21("5","2","2","7","3","1","1","1") = "6"
    & skf21("5","2","2","7","3","1","2","1") = "6"
    & skf21("5","2","2","7","3","1","3","1") = "6"
    & skf21("5","2","2","7","3","1","4","1") = "6"
    & skf21("5","2","2","7","3","1","5","1") = "6"
    & skf21("5","2","2","7","3","1","6","1") = "6"
    & skf21("5","2","2","7","3","1","7","1") = "6"
    & skf21("5","2","2","7","3","2","1","1") = "6"
    & skf21("5","2","2","7","3","2","2","1") = "6"
    & skf21("5","2","2","7","3","2","3","1") = "6"
    & skf21("5","2","2","7","3","2","4","1") = "6"
    & skf21("5","2","2","7","3","2","5","1") = "6"
    & skf21("5","2","2","7","3","2","6","1") = "6"
    & skf21("5","2","2","7","3","2","7","1") = "6"
    & skf21("5","2","2","7","3","3","1","1") = "6"
    & skf21("5","2","2","7","3","3","2","1") = "6"
    & skf21("5","2","2","7","3","3","3","1") = "6"
    & skf21("5","2","2","7","3","3","4","1") = "6"
    & skf21("5","2","2","7","3","3","5","1") = "6"
    & skf21("5","2","2","7","3","3","6","1") = "6"
    & skf21("5","2","2","7","3","3","7","1") = "6"
    & skf21("5","2","2","7","3","4","1","1") = "6"
    & skf21("5","2","2","7","3","4","2","1") = "6"
    & skf21("5","2","2","7","3","4","3","1") = "6"
    & skf21("5","2","2","7","3","4","4","1") = "6"
    & skf21("5","2","2","7","3","4","5","1") = "6"
    & skf21("5","2","2","7","3","4","6","1") = "6"
    & skf21("5","2","2","7","3","4","7","1") = "6"
    & skf21("5","2","2","7","3","5","1","1") = "6"
    & skf21("5","2","2","7","3","5","2","1") = "6"
    & skf21("5","2","2","7","3","5","3","1") = "6"
    & skf21("5","2","2","7","3","5","4","1") = "6"
    & skf21("5","2","2","7","3","5","5","1") = "6"
    & skf21("5","2","2","7","3","5","6","1") = "6"
    & skf21("5","2","2","7","3","5","7","1") = "6"
    & skf21("5","2","2","7","3","6","1","1") = "6"
    & skf21("5","2","2","7","3","6","2","1") = "6"
    & skf21("5","2","2","7","3","6","3","1") = "6"
    & skf21("5","2","2","7","3","6","4","1") = "6"
    & skf21("5","2","2","7","3","6","5","1") = "6"
    & skf21("5","2","2","7","3","6","6","1") = "6"
    & skf21("5","2","2","7","3","6","7","1") = "6"
    & skf21("5","2","2","7","3","7","1","1") = "6"
    & skf21("5","2","2","7","3","7","2","1") = "6"
    & skf21("5","2","2","7","3","7","3","1") = "6"
    & skf21("5","2","2","7","3","7","4","1") = "6"
    & skf21("5","2","2","7","3","7","5","1") = "6"
    & skf21("5","2","2","7","3","7","6","1") = "6"
    & skf21("5","2","2","7","3","7","7","1") = "6"
    & skf21("5","2","2","7","4","1","1","1") = "6"
    & skf21("5","2","2","7","4","1","2","1") = "6"
    & skf21("5","2","2","7","4","1","3","1") = "6"
    & skf21("5","2","2","7","4","1","4","1") = "6"
    & skf21("5","2","2","7","4","1","5","1") = "6"
    & skf21("5","2","2","7","4","1","6","1") = "6"
    & skf21("5","2","2","7","4","1","7","1") = "6"
    & skf21("5","2","2","7","4","2","1","1") = "6"
    & skf21("5","2","2","7","4","2","2","1") = "6"
    & skf21("5","2","2","7","4","2","3","1") = "6"
    & skf21("5","2","2","7","4","2","4","1") = "6"
    & skf21("5","2","2","7","4","2","5","1") = "6"
    & skf21("5","2","2","7","4","2","6","1") = "6"
    & skf21("5","2","2","7","4","2","7","1") = "6"
    & skf21("5","2","2","7","4","3","1","1") = "6"
    & skf21("5","2","2","7","4","3","2","1") = "6"
    & skf21("5","2","2","7","4","3","3","1") = "6"
    & skf21("5","2","2","7","4","3","4","1") = "6"
    & skf21("5","2","2","7","4","3","5","1") = "6"
    & skf21("5","2","2","7","4","3","6","1") = "6"
    & skf21("5","2","2","7","4","3","7","1") = "6"
    & skf21("5","2","2","7","4","4","1","1") = "6"
    & skf21("5","2","2","7","4","4","2","1") = "6"
    & skf21("5","2","2","7","4","4","3","1") = "6"
    & skf21("5","2","2","7","4","4","4","1") = "6"
    & skf21("5","2","2","7","4","4","5","1") = "6"
    & skf21("5","2","2","7","4","4","6","1") = "6"
    & skf21("5","2","2","7","4","4","7","1") = "6"
    & skf21("5","2","2","7","4","5","1","1") = "6"
    & skf21("5","2","2","7","4","5","2","1") = "6"
    & skf21("5","2","2","7","4","5","3","1") = "6"
    & skf21("5","2","2","7","4","5","4","1") = "6"
    & skf21("5","2","2","7","4","5","5","1") = "6"
    & skf21("5","2","2","7","4","5","6","1") = "6"
    & skf21("5","2","2","7","4","5","7","1") = "6"
    & skf21("5","2","2","7","4","6","1","1") = "6"
    & skf21("5","2","2","7","4","6","2","1") = "6"
    & skf21("5","2","2","7","4","6","3","1") = "6"
    & skf21("5","2","2","7","4","6","4","1") = "6"
    & skf21("5","2","2","7","4","6","5","1") = "6"
    & skf21("5","2","2","7","4","6","6","1") = "6"
    & skf21("5","2","2","7","4","6","7","1") = "6"
    & skf21("5","2","2","7","4","7","1","1") = "6"
    & skf21("5","2","2","7","4","7","2","1") = "6"
    & skf21("5","2","2","7","4","7","3","1") = "6"
    & skf21("5","2","2","7","4","7","4","1") = "6"
    & skf21("5","2","2","7","4","7","5","1") = "6"
    & skf21("5","2","2","7","4","7","6","1") = "6"
    & skf21("5","2","2","7","4","7","7","1") = "6"
    & skf21("5","2","2","7","5","1","1","1") = "6"
    & skf21("5","2","2","7","5","1","2","1") = "6"
    & skf21("5","2","2","7","5","1","3","1") = "6"
    & skf21("5","2","2","7","5","1","4","1") = "6"
    & skf21("5","2","2","7","5","1","5","1") = "6"
    & skf21("5","2","2","7","5","1","6","1") = "6"
    & skf21("5","2","2","7","5","1","7","1") = "6"
    & skf21("5","2","2","7","5","2","1","1") = "6"
    & skf21("5","2","2","7","5","2","2","1") = "6"
    & skf21("5","2","2","7","5","2","3","1") = "6"
    & skf21("5","2","2","7","5","2","4","1") = "6"
    & skf21("5","2","2","7","5","2","5","1") = "6"
    & skf21("5","2","2","7","5","2","6","1") = "6"
    & skf21("5","2","2","7","5","2","7","1") = "6"
    & skf21("5","2","2","7","5","3","1","1") = "6"
    & skf21("5","2","2","7","5","3","2","1") = "6"
    & skf21("5","2","2","7","5","3","3","1") = "6"
    & skf21("5","2","2","7","5","3","4","1") = "6"
    & skf21("5","2","2","7","5","3","5","1") = "6"
    & skf21("5","2","2","7","5","3","6","1") = "6"
    & skf21("5","2","2","7","5","3","7","1") = "6"
    & skf21("5","2","2","7","5","4","1","1") = "6"
    & skf21("5","2","2","7","5","4","2","1") = "6"
    & skf21("5","2","2","7","5","4","3","1") = "6"
    & skf21("5","2","2","7","5","4","4","1") = "6"
    & skf21("5","2","2","7","5","4","5","1") = "6"
    & skf21("5","2","2","7","5","4","6","1") = "6"
    & skf21("5","2","2","7","5","4","7","1") = "6"
    & skf21("5","2","2","7","5","5","1","1") = "6"
    & skf21("5","2","2","7","5","5","2","1") = "6"
    & skf21("5","2","2","7","5","5","3","1") = "6"
    & skf21("5","2","2","7","5","5","4","1") = "6"
    & skf21("5","2","2","7","5","5","5","1") = "6"
    & skf21("5","2","2","7","5","5","6","1") = "6"
    & skf21("5","2","2","7","5","5","7","1") = "6"
    & skf21("5","2","2","7","5","6","1","1") = "6"
    & skf21("5","2","2","7","5","6","2","1") = "6"
    & skf21("5","2","2","7","5","6","3","1") = "6"
    & skf21("5","2","2","7","5","6","4","1") = "6"
    & skf21("5","2","2","7","5","6","5","1") = "6"
    & skf21("5","2","2","7","5","6","6","1") = "6"
    & skf21("5","2","2","7","5","6","7","1") = "6"
    & skf21("5","2","2","7","5","7","1","1") = "6"
    & skf21("5","2","2","7","5","7","2","1") = "6"
    & skf21("5","2","2","7","5","7","3","1") = "6"
    & skf21("5","2","2","7","5","7","4","1") = "6"
    & skf21("5","2","2","7","5","7","5","1") = "6"
    & skf21("5","2","2","7","5","7","6","1") = "6"
    & skf21("5","2","2","7","5","7","7","1") = "6"
    & skf21("5","2","2","7","6","1","1","1") = "6"
    & skf21("5","2","2","7","6","1","2","1") = "6"
    & skf21("5","2","2","7","6","1","3","1") = "6"
    & skf21("5","2","2","7","6","1","4","1") = "6"
    & skf21("5","2","2","7","6","1","5","1") = "6"
    & skf21("5","2","2","7","6","1","6","1") = "6"
    & skf21("5","2","2","7","6","1","7","1") = "6"
    & skf21("5","2","2","7","6","2","1","1") = "6"
    & skf21("5","2","2","7","6","2","2","1") = "6"
    & skf21("5","2","2","7","6","2","3","1") = "6"
    & skf21("5","2","2","7","6","2","4","1") = "6"
    & skf21("5","2","2","7","6","2","5","1") = "6"
    & skf21("5","2","2","7","6","2","6","1") = "6"
    & skf21("5","2","2","7","6","2","7","1") = "6"
    & skf21("5","2","2","7","6","3","1","1") = "6"
    & skf21("5","2","2","7","6","3","2","1") = "6"
    & skf21("5","2","2","7","6","3","3","1") = "6"
    & skf21("5","2","2","7","6","3","4","1") = "6"
    & skf21("5","2","2","7","6","3","5","1") = "6"
    & skf21("5","2","2","7","6","3","6","1") = "6"
    & skf21("5","2","2","7","6","3","7","1") = "6"
    & skf21("5","2","2","7","6","4","1","1") = "6"
    & skf21("5","2","2","7","6","4","2","1") = "6"
    & skf21("5","2","2","7","6","4","3","1") = "6"
    & skf21("5","2","2","7","6","4","4","1") = "6"
    & skf21("5","2","2","7","6","4","5","1") = "6"
    & skf21("5","2","2","7","6","4","6","1") = "6"
    & skf21("5","2","2","7","6","4","7","1") = "6"
    & skf21("5","2","2","7","6","5","1","1") = "6"
    & skf21("5","2","2","7","6","5","2","1") = "6"
    & skf21("5","2","2","7","6","5","3","1") = "6"
    & skf21("5","2","2","7","6","5","4","1") = "6"
    & skf21("5","2","2","7","6","5","5","1") = "6"
    & skf21("5","2","2","7","6","5","6","1") = "6"
    & skf21("5","2","2","7","6","5","7","1") = "6"
    & skf21("5","2","2","7","6","6","1","1") = "6"
    & skf21("5","2","2","7","6","6","2","1") = "6"
    & skf21("5","2","2","7","6","6","3","1") = "6"
    & skf21("5","2","2","7","6","6","4","1") = "6"
    & skf21("5","2","2","7","6","6","5","1") = "6"
    & skf21("5","2","2","7","6","6","6","1") = "6"
    & skf21("5","2","2","7","6","6","7","1") = "6"
    & skf21("5","2","2","7","6","7","1","1") = "6"
    & skf21("5","2","2","7","6","7","2","1") = "6"
    & skf21("5","2","2","7","6","7","3","1") = "6"
    & skf21("5","2","2","7","6","7","4","1") = "6"
    & skf21("5","2","2","7","6","7","5","1") = "6"
    & skf21("5","2","2","7","6","7","6","1") = "6"
    & skf21("5","2","2","7","6","7","7","1") = "6"
    & skf21("5","2","2","7","7","1","1","1") = "6"
    & skf21("5","2","2","7","7","1","2","1") = "6"
    & skf21("5","2","2","7","7","1","3","1") = "6"
    & skf21("5","2","2","7","7","1","4","1") = "6"
    & skf21("5","2","2","7","7","1","5","1") = "6"
    & skf21("5","2","2","7","7","1","6","1") = "6"
    & skf21("5","2","2","7","7","1","7","1") = "6"
    & skf21("5","2","2","7","7","2","1","1") = "6"
    & skf21("5","2","2","7","7","2","2","1") = "6"
    & skf21("5","2","2","7","7","2","3","1") = "6"
    & skf21("5","2","2","7","7","2","4","1") = "6"
    & skf21("5","2","2","7","7","2","5","1") = "6"
    & skf21("5","2","2","7","7","2","6","1") = "6"
    & skf21("5","2","2","7","7","2","7","1") = "6"
    & skf21("5","2","2","7","7","3","1","1") = "6"
    & skf21("5","2","2","7","7","3","2","1") = "6"
    & skf21("5","2","2","7","7","3","3","1") = "6"
    & skf21("5","2","2","7","7","3","4","1") = "6"
    & skf21("5","2","2","7","7","3","5","1") = "6"
    & skf21("5","2","2","7","7","3","6","1") = "6"
    & skf21("5","2","2","7","7","3","7","1") = "6"
    & skf21("5","2","2","7","7","4","1","1") = "6"
    & skf21("5","2","2","7","7","4","2","1") = "6"
    & skf21("5","2","2","7","7","4","3","1") = "6"
    & skf21("5","2","2","7","7","4","4","1") = "6"
    & skf21("5","2","2","7","7","4","5","1") = "6"
    & skf21("5","2","2","7","7","4","6","1") = "6"
    & skf21("5","2","2","7","7","4","7","1") = "6"
    & skf21("5","2","2","7","7","5","1","1") = "6"
    & skf21("5","2","2","7","7","5","2","1") = "6"
    & skf21("5","2","2","7","7","5","3","1") = "6"
    & skf21("5","2","2","7","7","5","4","1") = "6"
    & skf21("5","2","2","7","7","5","5","1") = "6"
    & skf21("5","2","2","7","7","5","6","1") = "6"
    & skf21("5","2","2","7","7","5","7","1") = "6"
    & skf21("5","2","2","7","7","6","1","1") = "6"
    & skf21("5","2","2","7","7","6","2","1") = "6"
    & skf21("5","2","2","7","7","6","3","1") = "6"
    & skf21("5","2","2","7","7","6","4","1") = "6"
    & skf21("5","2","2","7","7","6","5","1") = "6"
    & skf21("5","2","2","7","7","6","6","1") = "6"
    & skf21("5","2","2","7","7","6","7","1") = "6"
    & skf21("5","2","2","7","7","7","1","1") = "6"
    & skf21("5","2","2","7","7","7","2","1") = "6"
    & skf21("5","2","2","7","7","7","3","1") = "6"
    & skf21("5","2","2","7","7","7","4","1") = "6"
    & skf21("5","2","2","7","7","7","5","1") = "6"
    & skf21("5","2","2","7","7","7","6","1") = "6"
    & skf21("5","2","2","7","7","7","7","1") = "6"
    & skf21("5","2","3","1","1","1","1","1") = "4"
    & skf21("5","2","3","1","1","1","2","1") = "4"
    & skf21("5","2","3","1","1","1","3","1") = "4"
    & skf21("5","2","3","1","1","1","4","1") = "4"
    & skf21("5","2","3","1","1","1","5","1") = "4"
    & skf21("5","2","3","1","1","1","6","1") = "5"
    & skf21("5","2","3","1","1","1","7","1") = "6"
    & skf21("5","2","3","1","1","2","1","1") = "4"
    & skf21("5","2","3","1","1","2","2","1") = "4"
    & skf21("5","2","3","1","1","2","3","1") = "4"
    & skf21("5","2","3","1","1","2","4","1") = "4"
    & skf21("5","2","3","1","1","2","5","1") = "4"
    & skf21("5","2","3","1","1","2","6","1") = "5"
    & skf21("5","2","3","1","1","2","7","1") = "6"
    & skf21("5","2","3","1","1","3","1","1") = "4"
    & skf21("5","2","3","1","1","3","2","1") = "4"
    & skf21("5","2","3","1","1","3","3","1") = "4"
    & skf21("5","2","3","1","1","3","4","1") = "4"
    & skf21("5","2","3","1","1","3","5","1") = "4"
    & skf21("5","2","3","1","1","3","6","1") = "5"
    & skf21("5","2","3","1","1","3","7","1") = "6"
    & skf21("5","2","3","1","1","4","1","1") = "4"
    & skf21("5","2","3","1","1","4","2","1") = "4"
    & skf21("5","2","3","1","1","4","3","1") = "4"
    & skf21("5","2","3","1","1","4","4","1") = "4"
    & skf21("5","2","3","1","1","4","5","1") = "4"
    & skf21("5","2","3","1","1","4","6","1") = "5"
    & skf21("5","2","3","1","1","4","7","1") = "6"
    & skf21("5","2","3","1","1","5","1","1") = "4"
    & skf21("5","2","3","1","1","5","2","1") = "4"
    & skf21("5","2","3","1","1","5","3","1") = "4"
    & skf21("5","2","3","1","1","5","4","1") = "4"
    & skf21("5","2","3","1","1","5","5","1") = "4"
    & skf21("5","2","3","1","1","5","6","1") = "5"
    & skf21("5","2","3","1","1","5","7","1") = "6"
    & skf21("5","2","3","1","1","6","1","1") = "5"
    & skf21("5","2","3","1","1","6","2","1") = "5"
    & skf21("5","2","3","1","1","6","3","1") = "5"
    & skf21("5","2","3","1","1","6","4","1") = "5"
    & skf21("5","2","3","1","1","6","5","1") = "5"
    & skf21("5","2","3","1","1","6","6","1") = "5"
    & skf21("5","2","3","1","1","6","7","1") = "6"
    & skf21("5","2","3","1","1","7","1","1") = "6"
    & skf21("5","2","3","1","1","7","2","1") = "6"
    & skf21("5","2","3","1","1","7","3","1") = "6"
    & skf21("5","2","3","1","1","7","4","1") = "6"
    & skf21("5","2","3","1","1","7","5","1") = "6"
    & skf21("5","2","3","1","1","7","6","1") = "6"
    & skf21("5","2","3","1","1","7","7","1") = "6"
    & skf21("5","2","3","1","2","1","1","1") = "4"
    & skf21("5","2","3","1","2","1","2","1") = "4"
    & skf21("5","2","3","1","2","1","3","1") = "4"
    & skf21("5","2","3","1","2","1","4","1") = "4"
    & skf21("5","2","3","1","2","1","5","1") = "4"
    & skf21("5","2","3","1","2","1","6","1") = "5"
    & skf21("5","2","3","1","2","1","7","1") = "6"
    & skf21("5","2","3","1","2","2","1","1") = "4"
    & skf21("5","2","3","1","2","2","2","1") = "4"
    & skf21("5","2","3","1","2","2","3","1") = "4"
    & skf21("5","2","3","1","2","2","4","1") = "4"
    & skf21("5","2","3","1","2","2","5","1") = "4"
    & skf21("5","2","3","1","2","2","6","1") = "5"
    & skf21("5","2","3","1","2","2","7","1") = "6"
    & skf21("5","2","3","1","2","3","1","1") = "4"
    & skf21("5","2","3","1","2","3","2","1") = "4"
    & skf21("5","2","3","1","2","3","3","1") = "4"
    & skf21("5","2","3","1","2","3","4","1") = "4"
    & skf21("5","2","3","1","2","3","5","1") = "4"
    & skf21("5","2","3","1","2","3","6","1") = "5"
    & skf21("5","2","3","1","2","3","7","1") = "6"
    & skf21("5","2","3","1","2","4","1","1") = "4"
    & skf21("5","2","3","1","2","4","2","1") = "4"
    & skf21("5","2","3","1","2","4","3","1") = "4"
    & skf21("5","2","3","1","2","4","4","1") = "4"
    & skf21("5","2","3","1","2","4","5","1") = "4"
    & skf21("5","2","3","1","2","4","6","1") = "5"
    & skf21("5","2","3","1","2","4","7","1") = "6"
    & skf21("5","2","3","1","2","5","1","1") = "4"
    & skf21("5","2","3","1","2","5","2","1") = "4"
    & skf21("5","2","3","1","2","5","3","1") = "4"
    & skf21("5","2","3","1","2","5","4","1") = "4"
    & skf21("5","2","3","1","2","5","5","1") = "4"
    & skf21("5","2","3","1","2","5","6","1") = "5"
    & skf21("5","2","3","1","2","5","7","1") = "6"
    & skf21("5","2","3","1","2","6","1","1") = "5"
    & skf21("5","2","3","1","2","6","2","1") = "5"
    & skf21("5","2","3","1","2","6","3","1") = "5"
    & skf21("5","2","3","1","2","6","4","1") = "5"
    & skf21("5","2","3","1","2","6","5","1") = "5"
    & skf21("5","2","3","1","2","6","6","1") = "5"
    & skf21("5","2","3","1","2","6","7","1") = "6"
    & skf21("5","2","3","1","2","7","1","1") = "6"
    & skf21("5","2","3","1","2","7","2","1") = "6"
    & skf21("5","2","3","1","2","7","3","1") = "6"
    & skf21("5","2","3","1","2","7","4","1") = "6"
    & skf21("5","2","3","1","2","7","5","1") = "6"
    & skf21("5","2","3","1","2","7","6","1") = "6"
    & skf21("5","2","3","1","2","7","7","1") = "6"
    & skf21("5","2","3","1","3","1","1","1") = "4"
    & skf21("5","2","3","1","3","1","2","1") = "4"
    & skf21("5","2","3","1","3","1","3","1") = "4"
    & skf21("5","2","3","1","3","1","4","1") = "4"
    & skf21("5","2","3","1","3","1","5","1") = "4"
    & skf21("5","2","3","1","3","1","6","1") = "5"
    & skf21("5","2","3","1","3","1","7","1") = "6"
    & skf21("5","2","3","1","3","2","1","1") = "4"
    & skf21("5","2","3","1","3","2","2","1") = "4"
    & skf21("5","2","3","1","3","2","3","1") = "4"
    & skf21("5","2","3","1","3","2","4","1") = "4"
    & skf21("5","2","3","1","3","2","5","1") = "4"
    & skf21("5","2","3","1","3","2","6","1") = "5"
    & skf21("5","2","3","1","3","2","7","1") = "6"
    & skf21("5","2","3","1","3","3","1","1") = "4"
    & skf21("5","2","3","1","3","3","2","1") = "4"
    & skf21("5","2","3","1","3","3","3","1") = "4"
    & skf21("5","2","3","1","3","3","4","1") = "4"
    & skf21("5","2","3","1","3","3","5","1") = "4"
    & skf21("5","2","3","1","3","3","6","1") = "5"
    & skf21("5","2","3","1","3","3","7","1") = "6"
    & skf21("5","2","3","1","3","4","1","1") = "4"
    & skf21("5","2","3","1","3","4","2","1") = "4"
    & skf21("5","2","3","1","3","4","3","1") = "4"
    & skf21("5","2","3","1","3","4","4","1") = "4"
    & skf21("5","2","3","1","3","4","5","1") = "4"
    & skf21("5","2","3","1","3","4","6","1") = "5"
    & skf21("5","2","3","1","3","4","7","1") = "6"
    & skf21("5","2","3","1","3","5","1","1") = "4"
    & skf21("5","2","3","1","3","5","2","1") = "4"
    & skf21("5","2","3","1","3","5","3","1") = "4"
    & skf21("5","2","3","1","3","5","4","1") = "4"
    & skf21("5","2","3","1","3","5","5","1") = "4"
    & skf21("5","2","3","1","3","5","6","1") = "5"
    & skf21("5","2","3","1","3","5","7","1") = "6"
    & skf21("5","2","3","1","3","6","1","1") = "5"
    & skf21("5","2","3","1","3","6","2","1") = "5"
    & skf21("5","2","3","1","3","6","3","1") = "5"
    & skf21("5","2","3","1","3","6","4","1") = "5"
    & skf21("5","2","3","1","3","6","5","1") = "5"
    & skf21("5","2","3","1","3","6","6","1") = "5"
    & skf21("5","2","3","1","3","6","7","1") = "6"
    & skf21("5","2","3","1","3","7","1","1") = "6"
    & skf21("5","2","3","1","3","7","2","1") = "6"
    & skf21("5","2","3","1","3","7","3","1") = "6"
    & skf21("5","2","3","1","3","7","4","1") = "6"
    & skf21("5","2","3","1","3","7","5","1") = "6"
    & skf21("5","2","3","1","3","7","6","1") = "6"
    & skf21("5","2","3","1","3","7","7","1") = "6"
    & skf21("5","2","3","1","4","1","1","1") = "4"
    & skf21("5","2","3","1","4","1","2","1") = "4"
    & skf21("5","2","3","1","4","1","3","1") = "4"
    & skf21("5","2","3","1","4","1","4","1") = "4"
    & skf21("5","2","3","1","4","1","5","1") = "4"
    & skf21("5","2","3","1","4","1","6","1") = "5"
    & skf21("5","2","3","1","4","1","7","1") = "6"
    & skf21("5","2","3","1","4","2","1","1") = "4"
    & skf21("5","2","3","1","4","2","2","1") = "4"
    & skf21("5","2","3","1","4","2","3","1") = "4"
    & skf21("5","2","3","1","4","2","4","1") = "4"
    & skf21("5","2","3","1","4","2","5","1") = "4"
    & skf21("5","2","3","1","4","2","6","1") = "5"
    & skf21("5","2","3","1","4","2","7","1") = "6"
    & skf21("5","2","3","1","4","3","1","1") = "4"
    & skf21("5","2","3","1","4","3","2","1") = "4"
    & skf21("5","2","3","1","4","3","3","1") = "4"
    & skf21("5","2","3","1","4","3","4","1") = "4"
    & skf21("5","2","3","1","4","3","5","1") = "4"
    & skf21("5","2","3","1","4","3","6","1") = "5"
    & skf21("5","2","3","1","4","3","7","1") = "6"
    & skf21("5","2","3","1","4","4","1","1") = "4"
    & skf21("5","2","3","1","4","4","2","1") = "4"
    & skf21("5","2","3","1","4","4","3","1") = "4"
    & skf21("5","2","3","1","4","4","4","1") = "4"
    & skf21("5","2","3","1","4","4","5","1") = "4"
    & skf21("5","2","3","1","4","4","6","1") = "5"
    & skf21("5","2","3","1","4","4","7","1") = "6"
    & skf21("5","2","3","1","4","5","1","1") = "4"
    & skf21("5","2","3","1","4","5","2","1") = "4"
    & skf21("5","2","3","1","4","5","3","1") = "4"
    & skf21("5","2","3","1","4","5","4","1") = "4"
    & skf21("5","2","3","1","4","5","5","1") = "4"
    & skf21("5","2","3","1","4","5","6","1") = "5"
    & skf21("5","2","3","1","4","5","7","1") = "6"
    & skf21("5","2","3","1","4","6","1","1") = "5"
    & skf21("5","2","3","1","4","6","2","1") = "5"
    & skf21("5","2","3","1","4","6","3","1") = "5"
    & skf21("5","2","3","1","4","6","4","1") = "5"
    & skf21("5","2","3","1","4","6","5","1") = "5"
    & skf21("5","2","3","1","4","6","6","1") = "5"
    & skf21("5","2","3","1","4","6","7","1") = "6"
    & skf21("5","2","3","1","4","7","1","1") = "6"
    & skf21("5","2","3","1","4","7","2","1") = "6"
    & skf21("5","2","3","1","4","7","3","1") = "6"
    & skf21("5","2","3","1","4","7","4","1") = "6"
    & skf21("5","2","3","1","4","7","5","1") = "6"
    & skf21("5","2","3","1","4","7","6","1") = "6"
    & skf21("5","2","3","1","4","7","7","1") = "6"
    & skf21("5","2","3","1","5","1","1","1") = "4"
    & skf21("5","2","3","1","5","1","2","1") = "4"
    & skf21("5","2","3","1","5","1","3","1") = "4"
    & skf21("5","2","3","1","5","1","4","1") = "4"
    & skf21("5","2","3","1","5","1","5","1") = "4"
    & skf21("5","2","3","1","5","1","6","1") = "5"
    & skf21("5","2","3","1","5","1","7","1") = "6"
    & skf21("5","2","3","1","5","2","1","1") = "4"
    & skf21("5","2","3","1","5","2","2","1") = "4"
    & skf21("5","2","3","1","5","2","3","1") = "4"
    & skf21("5","2","3","1","5","2","4","1") = "4"
    & skf21("5","2","3","1","5","2","5","1") = "4"
    & skf21("5","2","3","1","5","2","6","1") = "5"
    & skf21("5","2","3","1","5","2","7","1") = "6"
    & skf21("5","2","3","1","5","3","1","1") = "4"
    & skf21("5","2","3","1","5","3","2","1") = "4"
    & skf21("5","2","3","1","5","3","3","1") = "4"
    & skf21("5","2","3","1","5","3","4","1") = "4"
    & skf21("5","2","3","1","5","3","5","1") = "4"
    & skf21("5","2","3","1","5","3","6","1") = "5"
    & skf21("5","2","3","1","5","3","7","1") = "6"
    & skf21("5","2","3","1","5","4","1","1") = "4"
    & skf21("5","2","3","1","5","4","2","1") = "4"
    & skf21("5","2","3","1","5","4","3","1") = "4"
    & skf21("5","2","3","1","5","4","4","1") = "4"
    & skf21("5","2","3","1","5","4","5","1") = "4"
    & skf21("5","2","3","1","5","4","6","1") = "5"
    & skf21("5","2","3","1","5","4","7","1") = "6"
    & skf21("5","2","3","1","5","5","1","1") = "4"
    & skf21("5","2","3","1","5","5","2","1") = "4"
    & skf21("5","2","3","1","5","5","3","1") = "4"
    & skf21("5","2","3","1","5","5","4","1") = "4"
    & skf21("5","2","3","1","5","5","5","1") = "4"
    & skf21("5","2","3","1","5","5","6","1") = "5"
    & skf21("5","2","3","1","5","5","7","1") = "6"
    & skf21("5","2","3","1","5","6","1","1") = "5"
    & skf21("5","2","3","1","5","6","2","1") = "5"
    & skf21("5","2","3","1","5","6","3","1") = "5"
    & skf21("5","2","3","1","5","6","4","1") = "5"
    & skf21("5","2","3","1","5","6","5","1") = "5"
    & skf21("5","2","3","1","5","6","6","1") = "5"
    & skf21("5","2","3","1","5","6","7","1") = "6"
    & skf21("5","2","3","1","5","7","1","1") = "6"
    & skf21("5","2","3","1","5","7","2","1") = "6"
    & skf21("5","2","3","1","5","7","3","1") = "6"
    & skf21("5","2","3","1","5","7","4","1") = "6"
    & skf21("5","2","3","1","5","7","5","1") = "6"
    & skf21("5","2","3","1","5","7","6","1") = "6"
    & skf21("5","2","3","1","5","7","7","1") = "6"
    & skf21("5","2","3","1","6","1","1","1") = "5"
    & skf21("5","2","3","1","6","1","2","1") = "5"
    & skf21("5","2","3","1","6","1","3","1") = "5"
    & skf21("5","2","3","1","6","1","4","1") = "5"
    & skf21("5","2","3","1","6","1","5","1") = "5"
    & skf21("5","2","3","1","6","1","6","1") = "5"
    & skf21("5","2","3","1","6","1","7","1") = "6"
    & skf21("5","2","3","1","6","2","1","1") = "5"
    & skf21("5","2","3","1","6","2","2","1") = "5"
    & skf21("5","2","3","1","6","2","3","1") = "5"
    & skf21("5","2","3","1","6","2","4","1") = "5"
    & skf21("5","2","3","1","6","2","5","1") = "5"
    & skf21("5","2","3","1","6","2","6","1") = "5"
    & skf21("5","2","3","1","6","2","7","1") = "6"
    & skf21("5","2","3","1","6","3","1","1") = "5"
    & skf21("5","2","3","1","6","3","2","1") = "5"
    & skf21("5","2","3","1","6","3","3","1") = "5"
    & skf21("5","2","3","1","6","3","4","1") = "5"
    & skf21("5","2","3","1","6","3","5","1") = "5"
    & skf21("5","2","3","1","6","3","6","1") = "5"
    & skf21("5","2","3","1","6","3","7","1") = "6"
    & skf21("5","2","3","1","6","4","1","1") = "5"
    & skf21("5","2","3","1","6","4","2","1") = "5"
    & skf21("5","2","3","1","6","4","3","1") = "5"
    & skf21("5","2","3","1","6","4","4","1") = "5"
    & skf21("5","2","3","1","6","4","5","1") = "5"
    & skf21("5","2","3","1","6","4","6","1") = "5"
    & skf21("5","2","3","1","6","4","7","1") = "6"
    & skf21("5","2","3","1","6","5","1","1") = "5"
    & skf21("5","2","3","1","6","5","2","1") = "5"
    & skf21("5","2","3","1","6","5","3","1") = "5"
    & skf21("5","2","3","1","6","5","4","1") = "5"
    & skf21("5","2","3","1","6","5","5","1") = "5"
    & skf21("5","2","3","1","6","5","6","1") = "5"
    & skf21("5","2","3","1","6","5","7","1") = "6"
    & skf21("5","2","3","1","6","6","1","1") = "5"
    & skf21("5","2","3","1","6","6","2","1") = "5"
    & skf21("5","2","3","1","6","6","3","1") = "5"
    & skf21("5","2","3","1","6","6","4","1") = "5"
    & skf21("5","2","3","1","6","6","5","1") = "5"
    & skf21("5","2","3","1","6","6","6","1") = "5"
    & skf21("5","2","3","1","6","6","7","1") = "6"
    & skf21("5","2","3","1","6","7","1","1") = "6"
    & skf21("5","2","3","1","6","7","2","1") = "6"
    & skf21("5","2","3","1","6","7","3","1") = "6"
    & skf21("5","2","3","1","6","7","4","1") = "6"
    & skf21("5","2","3","1","6","7","5","1") = "6"
    & skf21("5","2","3","1","6","7","6","1") = "6"
    & skf21("5","2","3","1","6","7","7","1") = "6"
    & skf21("5","2","3","1","7","1","1","1") = "6"
    & skf21("5","2","3","1","7","1","2","1") = "6"
    & skf21("5","2","3","1","7","1","3","1") = "6"
    & skf21("5","2","3","1","7","1","4","1") = "6"
    & skf21("5","2","3","1","7","1","5","1") = "6"
    & skf21("5","2","3","1","7","1","6","1") = "6"
    & skf21("5","2","3","1","7","1","7","1") = "6"
    & skf21("5","2","3","1","7","2","1","1") = "6"
    & skf21("5","2","3","1","7","2","2","1") = "6"
    & skf21("5","2","3","1","7","2","3","1") = "6"
    & skf21("5","2","3","1","7","2","4","1") = "6"
    & skf21("5","2","3","1","7","2","5","1") = "6"
    & skf21("5","2","3","1","7","2","6","1") = "6"
    & skf21("5","2","3","1","7","2","7","1") = "6"
    & skf21("5","2","3","1","7","3","1","1") = "6"
    & skf21("5","2","3","1","7","3","2","1") = "6"
    & skf21("5","2","3","1","7","3","3","1") = "6"
    & skf21("5","2","3","1","7","3","4","1") = "6"
    & skf21("5","2","3","1","7","3","5","1") = "6"
    & skf21("5","2","3","1","7","3","6","1") = "6"
    & skf21("5","2","3","1","7","3","7","1") = "6"
    & skf21("5","2","3","1","7","4","1","1") = "6"
    & skf21("5","2","3","1","7","4","2","1") = "6"
    & skf21("5","2","3","1","7","4","3","1") = "6"
    & skf21("5","2","3","1","7","4","4","1") = "6"
    & skf21("5","2","3","1","7","4","5","1") = "6"
    & skf21("5","2","3","1","7","4","6","1") = "6"
    & skf21("5","2","3","1","7","4","7","1") = "6"
    & skf21("5","2","3","1","7","5","1","1") = "6"
    & skf21("5","2","3","1","7","5","2","1") = "6"
    & skf21("5","2","3","1","7","5","3","1") = "6"
    & skf21("5","2","3","1","7","5","4","1") = "6"
    & skf21("5","2","3","1","7","5","5","1") = "6"
    & skf21("5","2","3","1","7","5","6","1") = "6"
    & skf21("5","2","3","1","7","5","7","1") = "6"
    & skf21("5","2","3","1","7","6","1","1") = "6"
    & skf21("5","2","3","1","7","6","2","1") = "6"
    & skf21("5","2","3","1","7","6","3","1") = "6"
    & skf21("5","2","3","1","7","6","4","1") = "6"
    & skf21("5","2","3","1","7","6","5","1") = "6"
    & skf21("5","2","3","1","7","6","6","1") = "6"
    & skf21("5","2","3","1","7","6","7","1") = "6"
    & skf21("5","2","3","1","7","7","1","1") = "6"
    & skf21("5","2","3","1","7","7","2","1") = "6"
    & skf21("5","2","3","1","7","7","3","1") = "6"
    & skf21("5","2","3","1","7","7","4","1") = "6"
    & skf21("5","2","3","1","7","7","5","1") = "6"
    & skf21("5","2","3","1","7","7","6","1") = "6"
    & skf21("5","2","3","1","7","7","7","1") = "6"
    & skf21("5","2","3","2","1","1","1","1") = "4"
    & skf21("5","2","3","2","1","1","2","1") = "4"
    & skf21("5","2","3","2","1","1","3","1") = "4"
    & skf21("5","2","3","2","1","1","4","1") = "4"
    & skf21("5","2","3","2","1","1","5","1") = "4"
    & skf21("5","2","3","2","1","1","6","1") = "5"
    & skf21("5","2","3","2","1","1","7","1") = "6"
    & skf21("5","2","3","2","1","2","1","1") = "4"
    & skf21("5","2","3","2","1","2","2","1") = "4"
    & skf21("5","2","3","2","1","2","3","1") = "4"
    & skf21("5","2","3","2","1","2","4","1") = "4"
    & skf21("5","2","3","2","1","2","5","1") = "4"
    & skf21("5","2","3","2","1","2","6","1") = "5"
    & skf21("5","2","3","2","1","2","7","1") = "6"
    & skf21("5","2","3","2","1","3","1","1") = "4"
    & skf21("5","2","3","2","1","3","2","1") = "4"
    & skf21("5","2","3","2","1","3","3","1") = "4"
    & skf21("5","2","3","2","1","3","4","1") = "4"
    & skf21("5","2","3","2","1","3","5","1") = "4"
    & skf21("5","2","3","2","1","3","6","1") = "5"
    & skf21("5","2","3","2","1","3","7","1") = "6"
    & skf21("5","2","3","2","1","4","1","1") = "4"
    & skf21("5","2","3","2","1","4","2","1") = "4"
    & skf21("5","2","3","2","1","4","3","1") = "4"
    & skf21("5","2","3","2","1","4","4","1") = "4"
    & skf21("5","2","3","2","1","4","5","1") = "4"
    & skf21("5","2","3","2","1","4","6","1") = "5"
    & skf21("5","2","3","2","1","4","7","1") = "6"
    & skf21("5","2","3","2","1","5","1","1") = "4"
    & skf21("5","2","3","2","1","5","2","1") = "4"
    & skf21("5","2","3","2","1","5","3","1") = "4"
    & skf21("5","2","3","2","1","5","4","1") = "4"
    & skf21("5","2","3","2","1","5","5","1") = "4"
    & skf21("5","2","3","2","1","5","6","1") = "5"
    & skf21("5","2","3","2","1","5","7","1") = "6"
    & skf21("5","2","3","2","1","6","1","1") = "5"
    & skf21("5","2","3","2","1","6","2","1") = "5"
    & skf21("5","2","3","2","1","6","3","1") = "5"
    & skf21("5","2","3","2","1","6","4","1") = "5"
    & skf21("5","2","3","2","1","6","5","1") = "5"
    & skf21("5","2","3","2","1","6","6","1") = "5"
    & skf21("5","2","3","2","1","6","7","1") = "6"
    & skf21("5","2","3","2","1","7","1","1") = "6"
    & skf21("5","2","3","2","1","7","2","1") = "6"
    & skf21("5","2","3","2","1","7","3","1") = "6"
    & skf21("5","2","3","2","1","7","4","1") = "6"
    & skf21("5","2","3","2","1","7","5","1") = "6"
    & skf21("5","2","3","2","1","7","6","1") = "6"
    & skf21("5","2","3","2","1","7","7","1") = "6"
    & skf21("5","2","3","2","2","1","1","1") = "4"
    & skf21("5","2","3","2","2","1","2","1") = "4"
    & skf21("5","2","3","2","2","1","3","1") = "4"
    & skf21("5","2","3","2","2","1","4","1") = "4"
    & skf21("5","2","3","2","2","1","5","1") = "4"
    & skf21("5","2","3","2","2","1","6","1") = "5"
    & skf21("5","2","3","2","2","1","7","1") = "6"
    & skf21("5","2","3","2","2","2","1","1") = "4"
    & skf21("5","2","3","2","2","2","2","1") = "4"
    & skf21("5","2","3","2","2","2","3","1") = "4"
    & skf21("5","2","3","2","2","2","4","1") = "4"
    & skf21("5","2","3","2","2","2","5","1") = "4"
    & skf21("5","2","3","2","2","2","6","1") = "5"
    & skf21("5","2","3","2","2","2","7","1") = "6"
    & skf21("5","2","3","2","2","3","1","1") = "4"
    & skf21("5","2","3","2","2","3","2","1") = "4"
    & skf21("5","2","3","2","2","3","3","1") = "4"
    & skf21("5","2","3","2","2","3","4","1") = "4"
    & skf21("5","2","3","2","2","3","5","1") = "4"
    & skf21("5","2","3","2","2","3","6","1") = "5"
    & skf21("5","2","3","2","2","3","7","1") = "6"
    & skf21("5","2","3","2","2","4","1","1") = "4"
    & skf21("5","2","3","2","2","4","2","1") = "4"
    & skf21("5","2","3","2","2","4","3","1") = "4"
    & skf21("5","2","3","2","2","4","4","1") = "4"
    & skf21("5","2","3","2","2","4","5","1") = "4"
    & skf21("5","2","3","2","2","4","6","1") = "5"
    & skf21("5","2","3","2","2","4","7","1") = "6"
    & skf21("5","2","3","2","2","5","1","1") = "4"
    & skf21("5","2","3","2","2","5","2","1") = "4"
    & skf21("5","2","3","2","2","5","3","1") = "4"
    & skf21("5","2","3","2","2","5","4","1") = "4"
    & skf21("5","2","3","2","2","5","5","1") = "4"
    & skf21("5","2","3","2","2","5","6","1") = "5"
    & skf21("5","2","3","2","2","5","7","1") = "6"
    & skf21("5","2","3","2","2","6","1","1") = "5"
    & skf21("5","2","3","2","2","6","2","1") = "5"
    & skf21("5","2","3","2","2","6","3","1") = "5"
    & skf21("5","2","3","2","2","6","4","1") = "5"
    & skf21("5","2","3","2","2","6","5","1") = "5"
    & skf21("5","2","3","2","2","6","6","1") = "5"
    & skf21("5","2","3","2","2","6","7","1") = "6"
    & skf21("5","2","3","2","2","7","1","1") = "6"
    & skf21("5","2","3","2","2","7","2","1") = "6"
    & skf21("5","2","3","2","2","7","3","1") = "6"
    & skf21("5","2","3","2","2","7","4","1") = "6"
    & skf21("5","2","3","2","2","7","5","1") = "6"
    & skf21("5","2","3","2","2","7","6","1") = "6"
    & skf21("5","2","3","2","2","7","7","1") = "6"
    & skf21("5","2","3","2","3","1","1","1") = "4"
    & skf21("5","2","3","2","3","1","2","1") = "4"
    & skf21("5","2","3","2","3","1","3","1") = "4"
    & skf21("5","2","3","2","3","1","4","1") = "4"
    & skf21("5","2","3","2","3","1","5","1") = "4"
    & skf21("5","2","3","2","3","1","6","1") = "5"
    & skf21("5","2","3","2","3","1","7","1") = "6"
    & skf21("5","2","3","2","3","2","1","1") = "4"
    & skf21("5","2","3","2","3","2","2","1") = "4"
    & skf21("5","2","3","2","3","2","3","1") = "4"
    & skf21("5","2","3","2","3","2","4","1") = "4"
    & skf21("5","2","3","2","3","2","5","1") = "4"
    & skf21("5","2","3","2","3","2","6","1") = "5"
    & skf21("5","2","3","2","3","2","7","1") = "6"
    & skf21("5","2","3","2","3","3","1","1") = "4"
    & skf21("5","2","3","2","3","3","2","1") = "4"
    & skf21("5","2","3","2","3","3","3","1") = "4"
    & skf21("5","2","3","2","3","3","4","1") = "4"
    & skf21("5","2","3","2","3","3","5","1") = "4"
    & skf21("5","2","3","2","3","3","6","1") = "5"
    & skf21("5","2","3","2","3","3","7","1") = "6"
    & skf21("5","2","3","2","3","4","1","1") = "4"
    & skf21("5","2","3","2","3","4","2","1") = "4"
    & skf21("5","2","3","2","3","4","3","1") = "4"
    & skf21("5","2","3","2","3","4","4","1") = "4"
    & skf21("5","2","3","2","3","4","5","1") = "4"
    & skf21("5","2","3","2","3","4","6","1") = "5"
    & skf21("5","2","3","2","3","4","7","1") = "6"
    & skf21("5","2","3","2","3","5","1","1") = "4"
    & skf21("5","2","3","2","3","5","2","1") = "4"
    & skf21("5","2","3","2","3","5","3","1") = "4"
    & skf21("5","2","3","2","3","5","4","1") = "4"
    & skf21("5","2","3","2","3","5","5","1") = "4"
    & skf21("5","2","3","2","3","5","6","1") = "5"
    & skf21("5","2","3","2","3","5","7","1") = "6"
    & skf21("5","2","3","2","3","6","1","1") = "5"
    & skf21("5","2","3","2","3","6","2","1") = "5"
    & skf21("5","2","3","2","3","6","3","1") = "5"
    & skf21("5","2","3","2","3","6","4","1") = "5"
    & skf21("5","2","3","2","3","6","5","1") = "5"
    & skf21("5","2","3","2","3","6","6","1") = "5"
    & skf21("5","2","3","2","3","6","7","1") = "6"
    & skf21("5","2","3","2","3","7","1","1") = "6"
    & skf21("5","2","3","2","3","7","2","1") = "6"
    & skf21("5","2","3","2","3","7","3","1") = "6"
    & skf21("5","2","3","2","3","7","4","1") = "6"
    & skf21("5","2","3","2","3","7","5","1") = "6"
    & skf21("5","2","3","2","3","7","6","1") = "6"
    & skf21("5","2","3","2","3","7","7","1") = "6"
    & skf21("5","2","3","2","4","1","1","1") = "4"
    & skf21("5","2","3","2","4","1","2","1") = "4"
    & skf21("5","2","3","2","4","1","3","1") = "4"
    & skf21("5","2","3","2","4","1","4","1") = "4"
    & skf21("5","2","3","2","4","1","5","1") = "4"
    & skf21("5","2","3","2","4","1","6","1") = "5"
    & skf21("5","2","3","2","4","1","7","1") = "6"
    & skf21("5","2","3","2","4","2","1","1") = "4"
    & skf21("5","2","3","2","4","2","2","1") = "4"
    & skf21("5","2","3","2","4","2","3","1") = "4"
    & skf21("5","2","3","2","4","2","4","1") = "4"
    & skf21("5","2","3","2","4","2","5","1") = "4"
    & skf21("5","2","3","2","4","2","6","1") = "5"
    & skf21("5","2","3","2","4","2","7","1") = "6"
    & skf21("5","2","3","2","4","3","1","1") = "4"
    & skf21("5","2","3","2","4","3","2","1") = "4"
    & skf21("5","2","3","2","4","3","3","1") = "4"
    & skf21("5","2","3","2","4","3","4","1") = "4"
    & skf21("5","2","3","2","4","3","5","1") = "4"
    & skf21("5","2","3","2","4","3","6","1") = "5"
    & skf21("5","2","3","2","4","3","7","1") = "6"
    & skf21("5","2","3","2","4","4","1","1") = "4"
    & skf21("5","2","3","2","4","4","2","1") = "4"
    & skf21("5","2","3","2","4","4","3","1") = "4"
    & skf21("5","2","3","2","4","4","4","1") = "4"
    & skf21("5","2","3","2","4","4","5","1") = "4"
    & skf21("5","2","3","2","4","4","6","1") = "5"
    & skf21("5","2","3","2","4","4","7","1") = "6"
    & skf21("5","2","3","2","4","5","1","1") = "4"
    & skf21("5","2","3","2","4","5","2","1") = "4"
    & skf21("5","2","3","2","4","5","3","1") = "4"
    & skf21("5","2","3","2","4","5","4","1") = "4"
    & skf21("5","2","3","2","4","5","5","1") = "4"
    & skf21("5","2","3","2","4","5","6","1") = "5"
    & skf21("5","2","3","2","4","5","7","1") = "6"
    & skf21("5","2","3","2","4","6","1","1") = "5"
    & skf21("5","2","3","2","4","6","2","1") = "5"
    & skf21("5","2","3","2","4","6","3","1") = "5"
    & skf21("5","2","3","2","4","6","4","1") = "5"
    & skf21("5","2","3","2","4","6","5","1") = "5"
    & skf21("5","2","3","2","4","6","6","1") = "5"
    & skf21("5","2","3","2","4","6","7","1") = "6"
    & skf21("5","2","3","2","4","7","1","1") = "6"
    & skf21("5","2","3","2","4","7","2","1") = "6"
    & skf21("5","2","3","2","4","7","3","1") = "6"
    & skf21("5","2","3","2","4","7","4","1") = "6"
    & skf21("5","2","3","2","4","7","5","1") = "6"
    & skf21("5","2","3","2","4","7","6","1") = "6"
    & skf21("5","2","3","2","4","7","7","1") = "6"
    & skf21("5","2","3","2","5","1","1","1") = "4"
    & skf21("5","2","3","2","5","1","2","1") = "4"
    & skf21("5","2","3","2","5","1","3","1") = "4"
    & skf21("5","2","3","2","5","1","4","1") = "4"
    & skf21("5","2","3","2","5","1","5","1") = "4"
    & skf21("5","2","3","2","5","1","6","1") = "5"
    & skf21("5","2","3","2","5","1","7","1") = "6"
    & skf21("5","2","3","2","5","2","1","1") = "4"
    & skf21("5","2","3","2","5","2","2","1") = "4"
    & skf21("5","2","3","2","5","2","3","1") = "4"
    & skf21("5","2","3","2","5","2","4","1") = "4"
    & skf21("5","2","3","2","5","2","5","1") = "4"
    & skf21("5","2","3","2","5","2","6","1") = "5"
    & skf21("5","2","3","2","5","2","7","1") = "6"
    & skf21("5","2","3","2","5","3","1","1") = "4"
    & skf21("5","2","3","2","5","3","2","1") = "4"
    & skf21("5","2","3","2","5","3","3","1") = "4"
    & skf21("5","2","3","2","5","3","4","1") = "4"
    & skf21("5","2","3","2","5","3","5","1") = "4"
    & skf21("5","2","3","2","5","3","6","1") = "5"
    & skf21("5","2","3","2","5","3","7","1") = "6"
    & skf21("5","2","3","2","5","4","1","1") = "4"
    & skf21("5","2","3","2","5","4","2","1") = "4"
    & skf21("5","2","3","2","5","4","3","1") = "4"
    & skf21("5","2","3","2","5","4","4","1") = "4"
    & skf21("5","2","3","2","5","4","5","1") = "4"
    & skf21("5","2","3","2","5","4","6","1") = "5"
    & skf21("5","2","3","2","5","4","7","1") = "6"
    & skf21("5","2","3","2","5","5","1","1") = "4"
    & skf21("5","2","3","2","5","5","2","1") = "4"
    & skf21("5","2","3","2","5","5","3","1") = "4"
    & skf21("5","2","3","2","5","5","4","1") = "4"
    & skf21("5","2","3","2","5","5","5","1") = "4"
    & skf21("5","2","3","2","5","5","6","1") = "5"
    & skf21("5","2","3","2","5","5","7","1") = "6"
    & skf21("5","2","3","2","5","6","1","1") = "5"
    & skf21("5","2","3","2","5","6","2","1") = "5"
    & skf21("5","2","3","2","5","6","3","1") = "5"
    & skf21("5","2","3","2","5","6","4","1") = "5"
    & skf21("5","2","3","2","5","6","5","1") = "5"
    & skf21("5","2","3","2","5","6","6","1") = "5"
    & skf21("5","2","3","2","5","6","7","1") = "6"
    & skf21("5","2","3","2","5","7","1","1") = "6"
    & skf21("5","2","3","2","5","7","2","1") = "6"
    & skf21("5","2","3","2","5","7","3","1") = "6"
    & skf21("5","2","3","2","5","7","4","1") = "6"
    & skf21("5","2","3","2","5","7","5","1") = "6"
    & skf21("5","2","3","2","5","7","6","1") = "6"
    & skf21("5","2","3","2","5","7","7","1") = "6"
    & skf21("5","2","3","2","6","1","1","1") = "5"
    & skf21("5","2","3","2","6","1","2","1") = "5"
    & skf21("5","2","3","2","6","1","3","1") = "5"
    & skf21("5","2","3","2","6","1","4","1") = "5"
    & skf21("5","2","3","2","6","1","5","1") = "5"
    & skf21("5","2","3","2","6","1","6","1") = "5"
    & skf21("5","2","3","2","6","1","7","1") = "6"
    & skf21("5","2","3","2","6","2","1","1") = "5"
    & skf21("5","2","3","2","6","2","2","1") = "5"
    & skf21("5","2","3","2","6","2","3","1") = "5"
    & skf21("5","2","3","2","6","2","4","1") = "5"
    & skf21("5","2","3","2","6","2","5","1") = "5"
    & skf21("5","2","3","2","6","2","6","1") = "5"
    & skf21("5","2","3","2","6","2","7","1") = "6"
    & skf21("5","2","3","2","6","3","1","1") = "5"
    & skf21("5","2","3","2","6","3","2","1") = "5"
    & skf21("5","2","3","2","6","3","3","1") = "5"
    & skf21("5","2","3","2","6","3","4","1") = "5"
    & skf21("5","2","3","2","6","3","5","1") = "5"
    & skf21("5","2","3","2","6","3","6","1") = "5"
    & skf21("5","2","3","2","6","3","7","1") = "6"
    & skf21("5","2","3","2","6","4","1","1") = "5"
    & skf21("5","2","3","2","6","4","2","1") = "5"
    & skf21("5","2","3","2","6","4","3","1") = "5"
    & skf21("5","2","3","2","6","4","4","1") = "5"
    & skf21("5","2","3","2","6","4","5","1") = "5"
    & skf21("5","2","3","2","6","4","6","1") = "5"
    & skf21("5","2","3","2","6","4","7","1") = "6"
    & skf21("5","2","3","2","6","5","1","1") = "5"
    & skf21("5","2","3","2","6","5","2","1") = "5"
    & skf21("5","2","3","2","6","5","3","1") = "5"
    & skf21("5","2","3","2","6","5","4","1") = "5"
    & skf21("5","2","3","2","6","5","5","1") = "5"
    & skf21("5","2","3","2","6","5","6","1") = "5"
    & skf21("5","2","3","2","6","5","7","1") = "6"
    & skf21("5","2","3","2","6","6","1","1") = "5"
    & skf21("5","2","3","2","6","6","2","1") = "5"
    & skf21("5","2","3","2","6","6","3","1") = "5"
    & skf21("5","2","3","2","6","6","4","1") = "5"
    & skf21("5","2","3","2","6","6","5","1") = "5"
    & skf21("5","2","3","2","6","6","6","1") = "5"
    & skf21("5","2","3","2","6","6","7","1") = "6"
    & skf21("5","2","3","2","6","7","1","1") = "6"
    & skf21("5","2","3","2","6","7","2","1") = "6"
    & skf21("5","2","3","2","6","7","3","1") = "6"
    & skf21("5","2","3","2","6","7","4","1") = "6"
    & skf21("5","2","3","2","6","7","5","1") = "6"
    & skf21("5","2","3","2","6","7","6","1") = "6"
    & skf21("5","2","3","2","6","7","7","1") = "6"
    & skf21("5","2","3","2","7","1","1","1") = "6"
    & skf21("5","2","3","2","7","1","2","1") = "6"
    & skf21("5","2","3","2","7","1","3","1") = "6"
    & skf21("5","2","3","2","7","1","4","1") = "6"
    & skf21("5","2","3","2","7","1","5","1") = "6"
    & skf21("5","2","3","2","7","1","6","1") = "6"
    & skf21("5","2","3","2","7","1","7","1") = "6"
    & skf21("5","2","3","2","7","2","1","1") = "6"
    & skf21("5","2","3","2","7","2","2","1") = "6"
    & skf21("5","2","3","2","7","2","3","1") = "6"
    & skf21("5","2","3","2","7","2","4","1") = "6"
    & skf21("5","2","3","2","7","2","5","1") = "6"
    & skf21("5","2","3","2","7","2","6","1") = "6"
    & skf21("5","2","3","2","7","2","7","1") = "6"
    & skf21("5","2","3","2","7","3","1","1") = "6"
    & skf21("5","2","3","2","7","3","2","1") = "6"
    & skf21("5","2","3","2","7","3","3","1") = "6"
    & skf21("5","2","3","2","7","3","4","1") = "6"
    & skf21("5","2","3","2","7","3","5","1") = "6"
    & skf21("5","2","3","2","7","3","6","1") = "6"
    & skf21("5","2","3","2","7","3","7","1") = "6"
    & skf21("5","2","3","2","7","4","1","1") = "6"
    & skf21("5","2","3","2","7","4","2","1") = "6"
    & skf21("5","2","3","2","7","4","3","1") = "6"
    & skf21("5","2","3","2","7","4","4","1") = "6"
    & skf21("5","2","3","2","7","4","5","1") = "6"
    & skf21("5","2","3","2","7","4","6","1") = "6"
    & skf21("5","2","3","2","7","4","7","1") = "6"
    & skf21("5","2","3","2","7","5","1","1") = "6"
    & skf21("5","2","3","2","7","5","2","1") = "6"
    & skf21("5","2","3","2","7","5","3","1") = "6"
    & skf21("5","2","3","2","7","5","4","1") = "6"
    & skf21("5","2","3","2","7","5","5","1") = "6"
    & skf21("5","2","3","2","7","5","6","1") = "6"
    & skf21("5","2","3","2","7","5","7","1") = "6"
    & skf21("5","2","3","2","7","6","1","1") = "6"
    & skf21("5","2","3","2","7","6","2","1") = "6"
    & skf21("5","2","3","2","7","6","3","1") = "6"
    & skf21("5","2","3","2","7","6","4","1") = "6"
    & skf21("5","2","3","2","7","6","5","1") = "6"
    & skf21("5","2","3","2","7","6","6","1") = "6"
    & skf21("5","2","3","2","7","6","7","1") = "6"
    & skf21("5","2","3","2","7","7","1","1") = "6"
    & skf21("5","2","3","2","7","7","2","1") = "6"
    & skf21("5","2","3","2","7","7","3","1") = "6"
    & skf21("5","2","3","2","7","7","4","1") = "6"
    & skf21("5","2","3","2","7","7","5","1") = "6"
    & skf21("5","2","3","2","7","7","6","1") = "6"
    & skf21("5","2","3","2","7","7","7","1") = "6"
    & skf21("5","2","3","3","1","1","1","1") = "4"
    & skf21("5","2","3","3","1","1","2","1") = "4"
    & skf21("5","2","3","3","1","1","3","1") = "4"
    & skf21("5","2","3","3","1","1","4","1") = "4"
    & skf21("5","2","3","3","1","1","5","1") = "4"
    & skf21("5","2","3","3","1","1","6","1") = "5"
    & skf21("5","2","3","3","1","1","7","1") = "6"
    & skf21("5","2","3","3","1","2","1","1") = "4"
    & skf21("5","2","3","3","1","2","2","1") = "4"
    & skf21("5","2","3","3","1","2","3","1") = "4"
    & skf21("5","2","3","3","1","2","4","1") = "4"
    & skf21("5","2","3","3","1","2","5","1") = "4"
    & skf21("5","2","3","3","1","2","6","1") = "5"
    & skf21("5","2","3","3","1","2","7","1") = "6"
    & skf21("5","2","3","3","1","3","1","1") = "4"
    & skf21("5","2","3","3","1","3","2","1") = "4"
    & skf21("5","2","3","3","1","3","3","1") = "4"
    & skf21("5","2","3","3","1","3","4","1") = "4"
    & skf21("5","2","3","3","1","3","5","1") = "4"
    & skf21("5","2","3","3","1","3","6","1") = "5"
    & skf21("5","2","3","3","1","3","7","1") = "6"
    & skf21("5","2","3","3","1","4","1","1") = "4"
    & skf21("5","2","3","3","1","4","2","1") = "4"
    & skf21("5","2","3","3","1","4","3","1") = "4"
    & skf21("5","2","3","3","1","4","4","1") = "4"
    & skf21("5","2","3","3","1","4","5","1") = "4"
    & skf21("5","2","3","3","1","4","6","1") = "5"
    & skf21("5","2","3","3","1","4","7","1") = "6"
    & skf21("5","2","3","3","1","5","1","1") = "4"
    & skf21("5","2","3","3","1","5","2","1") = "4"
    & skf21("5","2","3","3","1","5","3","1") = "4"
    & skf21("5","2","3","3","1","5","4","1") = "4"
    & skf21("5","2","3","3","1","5","5","1") = "4"
    & skf21("5","2","3","3","1","5","6","1") = "5"
    & skf21("5","2","3","3","1","5","7","1") = "6"
    & skf21("5","2","3","3","1","6","1","1") = "5"
    & skf21("5","2","3","3","1","6","2","1") = "5"
    & skf21("5","2","3","3","1","6","3","1") = "5"
    & skf21("5","2","3","3","1","6","4","1") = "5"
    & skf21("5","2","3","3","1","6","5","1") = "5"
    & skf21("5","2","3","3","1","6","6","1") = "5"
    & skf21("5","2","3","3","1","6","7","1") = "6"
    & skf21("5","2","3","3","1","7","1","1") = "6"
    & skf21("5","2","3","3","1","7","2","1") = "6"
    & skf21("5","2","3","3","1","7","3","1") = "6"
    & skf21("5","2","3","3","1","7","4","1") = "6"
    & skf21("5","2","3","3","1","7","5","1") = "6"
    & skf21("5","2","3","3","1","7","6","1") = "6"
    & skf21("5","2","3","3","1","7","7","1") = "6"
    & skf21("5","2","3","3","2","1","1","1") = "4"
    & skf21("5","2","3","3","2","1","2","1") = "4"
    & skf21("5","2","3","3","2","1","3","1") = "4"
    & skf21("5","2","3","3","2","1","4","1") = "4"
    & skf21("5","2","3","3","2","1","5","1") = "4"
    & skf21("5","2","3","3","2","1","6","1") = "5"
    & skf21("5","2","3","3","2","1","7","1") = "6"
    & skf21("5","2","3","3","2","2","1","1") = "4"
    & skf21("5","2","3","3","2","2","2","1") = "4"
    & skf21("5","2","3","3","2","2","3","1") = "4"
    & skf21("5","2","3","3","2","2","4","1") = "4"
    & skf21("5","2","3","3","2","2","5","1") = "4"
    & skf21("5","2","3","3","2","2","6","1") = "5"
    & skf21("5","2","3","3","2","2","7","1") = "6"
    & skf21("5","2","3","3","2","3","1","1") = "4"
    & skf21("5","2","3","3","2","3","2","1") = "4"
    & skf21("5","2","3","3","2","3","3","1") = "4"
    & skf21("5","2","3","3","2","3","4","1") = "4"
    & skf21("5","2","3","3","2","3","5","1") = "4"
    & skf21("5","2","3","3","2","3","6","1") = "5"
    & skf21("5","2","3","3","2","3","7","1") = "6"
    & skf21("5","2","3","3","2","4","1","1") = "4"
    & skf21("5","2","3","3","2","4","2","1") = "4"
    & skf21("5","2","3","3","2","4","3","1") = "4"
    & skf21("5","2","3","3","2","4","4","1") = "4"
    & skf21("5","2","3","3","2","4","5","1") = "4"
    & skf21("5","2","3","3","2","4","6","1") = "5"
    & skf21("5","2","3","3","2","4","7","1") = "6"
    & skf21("5","2","3","3","2","5","1","1") = "4"
    & skf21("5","2","3","3","2","5","2","1") = "4"
    & skf21("5","2","3","3","2","5","3","1") = "4"
    & skf21("5","2","3","3","2","5","4","1") = "4"
    & skf21("5","2","3","3","2","5","5","1") = "4"
    & skf21("5","2","3","3","2","5","6","1") = "5"
    & skf21("5","2","3","3","2","5","7","1") = "6"
    & skf21("5","2","3","3","2","6","1","1") = "5"
    & skf21("5","2","3","3","2","6","2","1") = "5"
    & skf21("5","2","3","3","2","6","3","1") = "5"
    & skf21("5","2","3","3","2","6","4","1") = "5"
    & skf21("5","2","3","3","2","6","5","1") = "5"
    & skf21("5","2","3","3","2","6","6","1") = "5"
    & skf21("5","2","3","3","2","6","7","1") = "6"
    & skf21("5","2","3","3","2","7","1","1") = "6"
    & skf21("5","2","3","3","2","7","2","1") = "6"
    & skf21("5","2","3","3","2","7","3","1") = "6"
    & skf21("5","2","3","3","2","7","4","1") = "6"
    & skf21("5","2","3","3","2","7","5","1") = "6"
    & skf21("5","2","3","3","2","7","6","1") = "6"
    & skf21("5","2","3","3","2","7","7","1") = "6"
    & skf21("5","2","3","3","3","1","1","1") = "4"
    & skf21("5","2","3","3","3","1","2","1") = "4"
    & skf21("5","2","3","3","3","1","3","1") = "4"
    & skf21("5","2","3","3","3","1","4","1") = "4"
    & skf21("5","2","3","3","3","1","5","1") = "4"
    & skf21("5","2","3","3","3","1","6","1") = "5"
    & skf21("5","2","3","3","3","1","7","1") = "6"
    & skf21("5","2","3","3","3","2","1","1") = "4"
    & skf21("5","2","3","3","3","2","2","1") = "4"
    & skf21("5","2","3","3","3","2","3","1") = "4"
    & skf21("5","2","3","3","3","2","4","1") = "4"
    & skf21("5","2","3","3","3","2","5","1") = "4"
    & skf21("5","2","3","3","3","2","6","1") = "5"
    & skf21("5","2","3","3","3","2","7","1") = "6"
    & skf21("5","2","3","3","3","3","1","1") = "4"
    & skf21("5","2","3","3","3","3","2","1") = "4"
    & skf21("5","2","3","3","3","3","3","1") = "4"
    & skf21("5","2","3","3","3","3","4","1") = "4"
    & skf21("5","2","3","3","3","3","5","1") = "4"
    & skf21("5","2","3","3","3","3","6","1") = "5"
    & skf21("5","2","3","3","3","3","7","1") = "6"
    & skf21("5","2","3","3","3","4","1","1") = "4"
    & skf21("5","2","3","3","3","4","2","1") = "4"
    & skf21("5","2","3","3","3","4","3","1") = "4"
    & skf21("5","2","3","3","3","4","4","1") = "4"
    & skf21("5","2","3","3","3","4","5","1") = "4"
    & skf21("5","2","3","3","3","4","6","1") = "5"
    & skf21("5","2","3","3","3","4","7","1") = "6"
    & skf21("5","2","3","3","3","5","1","1") = "4"
    & skf21("5","2","3","3","3","5","2","1") = "4"
    & skf21("5","2","3","3","3","5","3","1") = "4"
    & skf21("5","2","3","3","3","5","4","1") = "4"
    & skf21("5","2","3","3","3","5","5","1") = "4"
    & skf21("5","2","3","3","3","5","6","1") = "5"
    & skf21("5","2","3","3","3","5","7","1") = "6"
    & skf21("5","2","3","3","3","6","1","1") = "5"
    & skf21("5","2","3","3","3","6","2","1") = "5"
    & skf21("5","2","3","3","3","6","3","1") = "5"
    & skf21("5","2","3","3","3","6","4","1") = "5"
    & skf21("5","2","3","3","3","6","5","1") = "5"
    & skf21("5","2","3","3","3","6","6","1") = "5"
    & skf21("5","2","3","3","3","6","7","1") = "6"
    & skf21("5","2","3","3","3","7","1","1") = "6"
    & skf21("5","2","3","3","3","7","2","1") = "6"
    & skf21("5","2","3","3","3","7","3","1") = "6"
    & skf21("5","2","3","3","3","7","4","1") = "6"
    & skf21("5","2","3","3","3","7","5","1") = "6"
    & skf21("5","2","3","3","3","7","6","1") = "6"
    & skf21("5","2","3","3","3","7","7","1") = "6"
    & skf21("5","2","3","3","4","1","1","1") = "4"
    & skf21("5","2","3","3","4","1","2","1") = "4"
    & skf21("5","2","3","3","4","1","3","1") = "4"
    & skf21("5","2","3","3","4","1","4","1") = "4"
    & skf21("5","2","3","3","4","1","5","1") = "4"
    & skf21("5","2","3","3","4","1","6","1") = "5"
    & skf21("5","2","3","3","4","1","7","1") = "6"
    & skf21("5","2","3","3","4","2","1","1") = "4"
    & skf21("5","2","3","3","4","2","2","1") = "4"
    & skf21("5","2","3","3","4","2","3","1") = "4"
    & skf21("5","2","3","3","4","2","4","1") = "4"
    & skf21("5","2","3","3","4","2","5","1") = "4"
    & skf21("5","2","3","3","4","2","6","1") = "5"
    & skf21("5","2","3","3","4","2","7","1") = "6"
    & skf21("5","2","3","3","4","3","1","1") = "4"
    & skf21("5","2","3","3","4","3","2","1") = "4"
    & skf21("5","2","3","3","4","3","3","1") = "4"
    & skf21("5","2","3","3","4","3","4","1") = "4"
    & skf21("5","2","3","3","4","3","5","1") = "4"
    & skf21("5","2","3","3","4","3","6","1") = "5"
    & skf21("5","2","3","3","4","3","7","1") = "6"
    & skf21("5","2","3","3","4","4","1","1") = "4"
    & skf21("5","2","3","3","4","4","2","1") = "4"
    & skf21("5","2","3","3","4","4","3","1") = "4"
    & skf21("5","2","3","3","4","4","4","1") = "4"
    & skf21("5","2","3","3","4","4","5","1") = "4"
    & skf21("5","2","3","3","4","4","6","1") = "5"
    & skf21("5","2","3","3","4","4","7","1") = "6"
    & skf21("5","2","3","3","4","5","1","1") = "4"
    & skf21("5","2","3","3","4","5","2","1") = "4"
    & skf21("5","2","3","3","4","5","3","1") = "4"
    & skf21("5","2","3","3","4","5","4","1") = "4"
    & skf21("5","2","3","3","4","5","5","1") = "4"
    & skf21("5","2","3","3","4","5","6","1") = "5"
    & skf21("5","2","3","3","4","5","7","1") = "6"
    & skf21("5","2","3","3","4","6","1","1") = "5"
    & skf21("5","2","3","3","4","6","2","1") = "5"
    & skf21("5","2","3","3","4","6","3","1") = "5"
    & skf21("5","2","3","3","4","6","4","1") = "5"
    & skf21("5","2","3","3","4","6","5","1") = "5"
    & skf21("5","2","3","3","4","6","6","1") = "5"
    & skf21("5","2","3","3","4","6","7","1") = "6"
    & skf21("5","2","3","3","4","7","1","1") = "6"
    & skf21("5","2","3","3","4","7","2","1") = "6"
    & skf21("5","2","3","3","4","7","3","1") = "6"
    & skf21("5","2","3","3","4","7","4","1") = "6"
    & skf21("5","2","3","3","4","7","5","1") = "6"
    & skf21("5","2","3","3","4","7","6","1") = "6"
    & skf21("5","2","3","3","4","7","7","1") = "6"
    & skf21("5","2","3","3","5","1","1","1") = "4"
    & skf21("5","2","3","3","5","1","2","1") = "4"
    & skf21("5","2","3","3","5","1","3","1") = "4"
    & skf21("5","2","3","3","5","1","4","1") = "4"
    & skf21("5","2","3","3","5","1","5","1") = "4"
    & skf21("5","2","3","3","5","1","6","1") = "5"
    & skf21("5","2","3","3","5","1","7","1") = "6"
    & skf21("5","2","3","3","5","2","1","1") = "4"
    & skf21("5","2","3","3","5","2","2","1") = "4"
    & skf21("5","2","3","3","5","2","3","1") = "4"
    & skf21("5","2","3","3","5","2","4","1") = "4"
    & skf21("5","2","3","3","5","2","5","1") = "4"
    & skf21("5","2","3","3","5","2","6","1") = "5"
    & skf21("5","2","3","3","5","2","7","1") = "6"
    & skf21("5","2","3","3","5","3","1","1") = "4"
    & skf21("5","2","3","3","5","3","2","1") = "4"
    & skf21("5","2","3","3","5","3","3","1") = "4"
    & skf21("5","2","3","3","5","3","4","1") = "4"
    & skf21("5","2","3","3","5","3","5","1") = "4"
    & skf21("5","2","3","3","5","3","6","1") = "5"
    & skf21("5","2","3","3","5","3","7","1") = "6"
    & skf21("5","2","3","3","5","4","1","1") = "4"
    & skf21("5","2","3","3","5","4","2","1") = "4"
    & skf21("5","2","3","3","5","4","3","1") = "4"
    & skf21("5","2","3","3","5","4","4","1") = "4"
    & skf21("5","2","3","3","5","4","5","1") = "4"
    & skf21("5","2","3","3","5","4","6","1") = "5"
    & skf21("5","2","3","3","5","4","7","1") = "6"
    & skf21("5","2","3","3","5","5","1","1") = "4"
    & skf21("5","2","3","3","5","5","2","1") = "4"
    & skf21("5","2","3","3","5","5","3","1") = "4"
    & skf21("5","2","3","3","5","5","4","1") = "4"
    & skf21("5","2","3","3","5","5","5","1") = "4"
    & skf21("5","2","3","3","5","5","6","1") = "5"
    & skf21("5","2","3","3","5","5","7","1") = "6"
    & skf21("5","2","3","3","5","6","1","1") = "5"
    & skf21("5","2","3","3","5","6","2","1") = "5"
    & skf21("5","2","3","3","5","6","3","1") = "5"
    & skf21("5","2","3","3","5","6","4","1") = "5"
    & skf21("5","2","3","3","5","6","5","1") = "5"
    & skf21("5","2","3","3","5","6","6","1") = "5"
    & skf21("5","2","3","3","5","6","7","1") = "6"
    & skf21("5","2","3","3","5","7","1","1") = "6"
    & skf21("5","2","3","3","5","7","2","1") = "6"
    & skf21("5","2","3","3","5","7","3","1") = "6"
    & skf21("5","2","3","3","5","7","4","1") = "6"
    & skf21("5","2","3","3","5","7","5","1") = "6"
    & skf21("5","2","3","3","5","7","6","1") = "6"
    & skf21("5","2","3","3","5","7","7","1") = "6"
    & skf21("5","2","3","3","6","1","1","1") = "5"
    & skf21("5","2","3","3","6","1","2","1") = "5"
    & skf21("5","2","3","3","6","1","3","1") = "5"
    & skf21("5","2","3","3","6","1","4","1") = "5"
    & skf21("5","2","3","3","6","1","5","1") = "5"
    & skf21("5","2","3","3","6","1","6","1") = "5"
    & skf21("5","2","3","3","6","1","7","1") = "6"
    & skf21("5","2","3","3","6","2","1","1") = "5"
    & skf21("5","2","3","3","6","2","2","1") = "5"
    & skf21("5","2","3","3","6","2","3","1") = "5"
    & skf21("5","2","3","3","6","2","4","1") = "5"
    & skf21("5","2","3","3","6","2","5","1") = "5"
    & skf21("5","2","3","3","6","2","6","1") = "5"
    & skf21("5","2","3","3","6","2","7","1") = "6"
    & skf21("5","2","3","3","6","3","1","1") = "5"
    & skf21("5","2","3","3","6","3","2","1") = "5"
    & skf21("5","2","3","3","6","3","3","1") = "5"
    & skf21("5","2","3","3","6","3","4","1") = "5"
    & skf21("5","2","3","3","6","3","5","1") = "5"
    & skf21("5","2","3","3","6","3","6","1") = "5"
    & skf21("5","2","3","3","6","3","7","1") = "6"
    & skf21("5","2","3","3","6","4","1","1") = "5"
    & skf21("5","2","3","3","6","4","2","1") = "5"
    & skf21("5","2","3","3","6","4","3","1") = "5"
    & skf21("5","2","3","3","6","4","4","1") = "5"
    & skf21("5","2","3","3","6","4","5","1") = "5"
    & skf21("5","2","3","3","6","4","6","1") = "5"
    & skf21("5","2","3","3","6","4","7","1") = "6"
    & skf21("5","2","3","3","6","5","1","1") = "5"
    & skf21("5","2","3","3","6","5","2","1") = "5"
    & skf21("5","2","3","3","6","5","3","1") = "5"
    & skf21("5","2","3","3","6","5","4","1") = "5"
    & skf21("5","2","3","3","6","5","5","1") = "5"
    & skf21("5","2","3","3","6","5","6","1") = "5"
    & skf21("5","2","3","3","6","5","7","1") = "6"
    & skf21("5","2","3","3","6","6","1","1") = "5"
    & skf21("5","2","3","3","6","6","2","1") = "5"
    & skf21("5","2","3","3","6","6","3","1") = "5"
    & skf21("5","2","3","3","6","6","4","1") = "5"
    & skf21("5","2","3","3","6","6","5","1") = "5"
    & skf21("5","2","3","3","6","6","6","1") = "5"
    & skf21("5","2","3","3","6","6","7","1") = "6"
    & skf21("5","2","3","3","6","7","1","1") = "6"
    & skf21("5","2","3","3","6","7","2","1") = "6"
    & skf21("5","2","3","3","6","7","3","1") = "6"
    & skf21("5","2","3","3","6","7","4","1") = "6"
    & skf21("5","2","3","3","6","7","5","1") = "6"
    & skf21("5","2","3","3","6","7","6","1") = "6"
    & skf21("5","2","3","3","6","7","7","1") = "6"
    & skf21("5","2","3","3","7","1","1","1") = "6"
    & skf21("5","2","3","3","7","1","2","1") = "6"
    & skf21("5","2","3","3","7","1","3","1") = "6"
    & skf21("5","2","3","3","7","1","4","1") = "6"
    & skf21("5","2","3","3","7","1","5","1") = "6"
    & skf21("5","2","3","3","7","1","6","1") = "6"
    & skf21("5","2","3","3","7","1","7","1") = "6"
    & skf21("5","2","3","3","7","2","1","1") = "6"
    & skf21("5","2","3","3","7","2","2","1") = "6"
    & skf21("5","2","3","3","7","2","3","1") = "6"
    & skf21("5","2","3","3","7","2","4","1") = "6"
    & skf21("5","2","3","3","7","2","5","1") = "6"
    & skf21("5","2","3","3","7","2","6","1") = "6"
    & skf21("5","2","3","3","7","2","7","1") = "6"
    & skf21("5","2","3","3","7","3","1","1") = "6"
    & skf21("5","2","3","3","7","3","2","1") = "6"
    & skf21("5","2","3","3","7","3","3","1") = "6"
    & skf21("5","2","3","3","7","3","4","1") = "6"
    & skf21("5","2","3","3","7","3","5","1") = "6"
    & skf21("5","2","3","3","7","3","6","1") = "6"
    & skf21("5","2","3","3","7","3","7","1") = "6"
    & skf21("5","2","3","3","7","4","1","1") = "6"
    & skf21("5","2","3","3","7","4","2","1") = "6"
    & skf21("5","2","3","3","7","4","3","1") = "6"
    & skf21("5","2","3","3","7","4","4","1") = "6"
    & skf21("5","2","3","3","7","4","5","1") = "6"
    & skf21("5","2","3","3","7","4","6","1") = "6"
    & skf21("5","2","3","3","7","4","7","1") = "6"
    & skf21("5","2","3","3","7","5","1","1") = "6"
    & skf21("5","2","3","3","7","5","2","1") = "6"
    & skf21("5","2","3","3","7","5","3","1") = "6"
    & skf21("5","2","3","3","7","5","4","1") = "6"
    & skf21("5","2","3","3","7","5","5","1") = "6"
    & skf21("5","2","3","3","7","5","6","1") = "6"
    & skf21("5","2","3","3","7","5","7","1") = "6"
    & skf21("5","2","3","3","7","6","1","1") = "6"
    & skf21("5","2","3","3","7","6","2","1") = "6"
    & skf21("5","2","3","3","7","6","3","1") = "6"
    & skf21("5","2","3","3","7","6","4","1") = "6"
    & skf21("5","2","3","3","7","6","5","1") = "6"
    & skf21("5","2","3","3","7","6","6","1") = "6"
    & skf21("5","2","3","3","7","6","7","1") = "6"
    & skf21("5","2","3","3","7","7","1","1") = "6"
    & skf21("5","2","3","3","7","7","2","1") = "6"
    & skf21("5","2","3","3","7","7","3","1") = "6"
    & skf21("5","2","3","3","7","7","4","1") = "6"
    & skf21("5","2","3","3","7","7","5","1") = "6"
    & skf21("5","2","3","3","7","7","6","1") = "6"
    & skf21("5","2","3","3","7","7","7","1") = "6"
    & skf21("5","2","3","4","1","1","1","1") = "4"
    & skf21("5","2","3","4","1","1","2","1") = "4"
    & skf21("5","2","3","4","1","1","3","1") = "4"
    & skf21("5","2","3","4","1","1","4","1") = "4"
    & skf21("5","2","3","4","1","1","5","1") = "4"
    & skf21("5","2","3","4","1","1","6","1") = "5"
    & skf21("5","2","3","4","1","1","7","1") = "6"
    & skf21("5","2","3","4","1","2","1","1") = "4"
    & skf21("5","2","3","4","1","2","2","1") = "4"
    & skf21("5","2","3","4","1","2","3","1") = "4"
    & skf21("5","2","3","4","1","2","4","1") = "4"
    & skf21("5","2","3","4","1","2","5","1") = "4"
    & skf21("5","2","3","4","1","2","6","1") = "5"
    & skf21("5","2","3","4","1","2","7","1") = "6"
    & skf21("5","2","3","4","1","3","1","1") = "4"
    & skf21("5","2","3","4","1","3","2","1") = "4"
    & skf21("5","2","3","4","1","3","3","1") = "4"
    & skf21("5","2","3","4","1","3","4","1") = "4"
    & skf21("5","2","3","4","1","3","5","1") = "4"
    & skf21("5","2","3","4","1","3","6","1") = "5"
    & skf21("5","2","3","4","1","3","7","1") = "6"
    & skf21("5","2","3","4","1","4","1","1") = "4"
    & skf21("5","2","3","4","1","4","2","1") = "4"
    & skf21("5","2","3","4","1","4","3","1") = "4"
    & skf21("5","2","3","4","1","4","4","1") = "4"
    & skf21("5","2","3","4","1","4","5","1") = "4"
    & skf21("5","2","3","4","1","4","6","1") = "5"
    & skf21("5","2","3","4","1","4","7","1") = "6"
    & skf21("5","2","3","4","1","5","1","1") = "4"
    & skf21("5","2","3","4","1","5","2","1") = "4"
    & skf21("5","2","3","4","1","5","3","1") = "4"
    & skf21("5","2","3","4","1","5","4","1") = "4"
    & skf21("5","2","3","4","1","5","5","1") = "4"
    & skf21("5","2","3","4","1","5","6","1") = "5"
    & skf21("5","2","3","4","1","5","7","1") = "6"
    & skf21("5","2","3","4","1","6","1","1") = "5"
    & skf21("5","2","3","4","1","6","2","1") = "5"
    & skf21("5","2","3","4","1","6","3","1") = "5"
    & skf21("5","2","3","4","1","6","4","1") = "5"
    & skf21("5","2","3","4","1","6","5","1") = "5"
    & skf21("5","2","3","4","1","6","6","1") = "5"
    & skf21("5","2","3","4","1","6","7","1") = "6"
    & skf21("5","2","3","4","1","7","1","1") = "6"
    & skf21("5","2","3","4","1","7","2","1") = "6"
    & skf21("5","2","3","4","1","7","3","1") = "6"
    & skf21("5","2","3","4","1","7","4","1") = "6"
    & skf21("5","2","3","4","1","7","5","1") = "6"
    & skf21("5","2","3","4","1","7","6","1") = "6"
    & skf21("5","2","3","4","1","7","7","1") = "6"
    & skf21("5","2","3","4","2","1","1","1") = "4"
    & skf21("5","2","3","4","2","1","2","1") = "4"
    & skf21("5","2","3","4","2","1","3","1") = "4"
    & skf21("5","2","3","4","2","1","4","1") = "4"
    & skf21("5","2","3","4","2","1","5","1") = "4"
    & skf21("5","2","3","4","2","1","6","1") = "5"
    & skf21("5","2","3","4","2","1","7","1") = "6"
    & skf21("5","2","3","4","2","2","1","1") = "4"
    & skf21("5","2","3","4","2","2","2","1") = "4"
    & skf21("5","2","3","4","2","2","3","1") = "4"
    & skf21("5","2","3","4","2","2","4","1") = "4"
    & skf21("5","2","3","4","2","2","5","1") = "4"
    & skf21("5","2","3","4","2","2","6","1") = "5"
    & skf21("5","2","3","4","2","2","7","1") = "6"
    & skf21("5","2","3","4","2","3","1","1") = "4"
    & skf21("5","2","3","4","2","3","2","1") = "4"
    & skf21("5","2","3","4","2","3","3","1") = "4"
    & skf21("5","2","3","4","2","3","4","1") = "4"
    & skf21("5","2","3","4","2","3","5","1") = "4"
    & skf21("5","2","3","4","2","3","6","1") = "5"
    & skf21("5","2","3","4","2","3","7","1") = "6"
    & skf21("5","2","3","4","2","4","1","1") = "4"
    & skf21("5","2","3","4","2","4","2","1") = "4"
    & skf21("5","2","3","4","2","4","3","1") = "4"
    & skf21("5","2","3","4","2","4","4","1") = "4"
    & skf21("5","2","3","4","2","4","5","1") = "4"
    & skf21("5","2","3","4","2","4","6","1") = "5"
    & skf21("5","2","3","4","2","4","7","1") = "6"
    & skf21("5","2","3","4","2","5","1","1") = "4"
    & skf21("5","2","3","4","2","5","2","1") = "4"
    & skf21("5","2","3","4","2","5","3","1") = "4"
    & skf21("5","2","3","4","2","5","4","1") = "4"
    & skf21("5","2","3","4","2","5","5","1") = "4"
    & skf21("5","2","3","4","2","5","6","1") = "5"
    & skf21("5","2","3","4","2","5","7","1") = "6"
    & skf21("5","2","3","4","2","6","1","1") = "5"
    & skf21("5","2","3","4","2","6","2","1") = "5"
    & skf21("5","2","3","4","2","6","3","1") = "5"
    & skf21("5","2","3","4","2","6","4","1") = "5"
    & skf21("5","2","3","4","2","6","5","1") = "5"
    & skf21("5","2","3","4","2","6","6","1") = "5"
    & skf21("5","2","3","4","2","6","7","1") = "6"
    & skf21("5","2","3","4","2","7","1","1") = "6"
    & skf21("5","2","3","4","2","7","2","1") = "6"
    & skf21("5","2","3","4","2","7","3","1") = "6"
    & skf21("5","2","3","4","2","7","4","1") = "6"
    & skf21("5","2","3","4","2","7","5","1") = "6"
    & skf21("5","2","3","4","2","7","6","1") = "6"
    & skf21("5","2","3","4","2","7","7","1") = "6"
    & skf21("5","2","3","4","3","1","1","1") = "4"
    & skf21("5","2","3","4","3","1","2","1") = "4"
    & skf21("5","2","3","4","3","1","3","1") = "4"
    & skf21("5","2","3","4","3","1","4","1") = "4"
    & skf21("5","2","3","4","3","1","5","1") = "4"
    & skf21("5","2","3","4","3","1","6","1") = "5"
    & skf21("5","2","3","4","3","1","7","1") = "6"
    & skf21("5","2","3","4","3","2","1","1") = "4"
    & skf21("5","2","3","4","3","2","2","1") = "4"
    & skf21("5","2","3","4","3","2","3","1") = "4"
    & skf21("5","2","3","4","3","2","4","1") = "4"
    & skf21("5","2","3","4","3","2","5","1") = "4"
    & skf21("5","2","3","4","3","2","6","1") = "5"
    & skf21("5","2","3","4","3","2","7","1") = "6"
    & skf21("5","2","3","4","3","3","1","1") = "4"
    & skf21("5","2","3","4","3","3","2","1") = "4"
    & skf21("5","2","3","4","3","3","3","1") = "4"
    & skf21("5","2","3","4","3","3","4","1") = "4"
    & skf21("5","2","3","4","3","3","5","1") = "4"
    & skf21("5","2","3","4","3","3","6","1") = "5"
    & skf21("5","2","3","4","3","3","7","1") = "6"
    & skf21("5","2","3","4","3","4","1","1") = "4"
    & skf21("5","2","3","4","3","4","2","1") = "4"
    & skf21("5","2","3","4","3","4","3","1") = "4"
    & skf21("5","2","3","4","3","4","4","1") = "4"
    & skf21("5","2","3","4","3","4","5","1") = "4"
    & skf21("5","2","3","4","3","4","6","1") = "5"
    & skf21("5","2","3","4","3","4","7","1") = "6"
    & skf21("5","2","3","4","3","5","1","1") = "4"
    & skf21("5","2","3","4","3","5","2","1") = "4"
    & skf21("5","2","3","4","3","5","3","1") = "4"
    & skf21("5","2","3","4","3","5","4","1") = "4"
    & skf21("5","2","3","4","3","5","5","1") = "4"
    & skf21("5","2","3","4","3","5","6","1") = "5"
    & skf21("5","2","3","4","3","5","7","1") = "6"
    & skf21("5","2","3","4","3","6","1","1") = "5"
    & skf21("5","2","3","4","3","6","2","1") = "5"
    & skf21("5","2","3","4","3","6","3","1") = "5"
    & skf21("5","2","3","4","3","6","4","1") = "5"
    & skf21("5","2","3","4","3","6","5","1") = "5"
    & skf21("5","2","3","4","3","6","6","1") = "5"
    & skf21("5","2","3","4","3","6","7","1") = "6"
    & skf21("5","2","3","4","3","7","1","1") = "6"
    & skf21("5","2","3","4","3","7","2","1") = "6"
    & skf21("5","2","3","4","3","7","3","1") = "6"
    & skf21("5","2","3","4","3","7","4","1") = "6"
    & skf21("5","2","3","4","3","7","5","1") = "6"
    & skf21("5","2","3","4","3","7","6","1") = "6"
    & skf21("5","2","3","4","3","7","7","1") = "6"
    & skf21("5","2","3","4","4","1","1","1") = "4"
    & skf21("5","2","3","4","4","1","2","1") = "4"
    & skf21("5","2","3","4","4","1","3","1") = "4"
    & skf21("5","2","3","4","4","1","4","1") = "4"
    & skf21("5","2","3","4","4","1","5","1") = "4"
    & skf21("5","2","3","4","4","1","6","1") = "5"
    & skf21("5","2","3","4","4","1","7","1") = "6"
    & skf21("5","2","3","4","4","2","1","1") = "4"
    & skf21("5","2","3","4","4","2","2","1") = "4"
    & skf21("5","2","3","4","4","2","3","1") = "4"
    & skf21("5","2","3","4","4","2","4","1") = "4"
    & skf21("5","2","3","4","4","2","5","1") = "4"
    & skf21("5","2","3","4","4","2","6","1") = "5"
    & skf21("5","2","3","4","4","2","7","1") = "6"
    & skf21("5","2","3","4","4","3","1","1") = "4"
    & skf21("5","2","3","4","4","3","2","1") = "4"
    & skf21("5","2","3","4","4","3","3","1") = "4"
    & skf21("5","2","3","4","4","3","4","1") = "4"
    & skf21("5","2","3","4","4","3","5","1") = "4"
    & skf21("5","2","3","4","4","3","6","1") = "5"
    & skf21("5","2","3","4","4","3","7","1") = "6"
    & skf21("5","2","3","4","4","4","1","1") = "4"
    & skf21("5","2","3","4","4","4","2","1") = "4"
    & skf21("5","2","3","4","4","4","3","1") = "4"
    & skf21("5","2","3","4","4","4","4","1") = "4"
    & skf21("5","2","3","4","4","4","5","1") = "4"
    & skf21("5","2","3","4","4","4","6","1") = "5"
    & skf21("5","2","3","4","4","4","7","1") = "6"
    & skf21("5","2","3","4","4","5","1","1") = "4"
    & skf21("5","2","3","4","4","5","2","1") = "4"
    & skf21("5","2","3","4","4","5","3","1") = "4"
    & skf21("5","2","3","4","4","5","4","1") = "4"
    & skf21("5","2","3","4","4","5","5","1") = "4"
    & skf21("5","2","3","4","4","5","6","1") = "5"
    & skf21("5","2","3","4","4","5","7","1") = "6"
    & skf21("5","2","3","4","4","6","1","1") = "5"
    & skf21("5","2","3","4","4","6","2","1") = "5"
    & skf21("5","2","3","4","4","6","3","1") = "5"
    & skf21("5","2","3","4","4","6","4","1") = "5"
    & skf21("5","2","3","4","4","6","5","1") = "5"
    & skf21("5","2","3","4","4","6","6","1") = "5"
    & skf21("5","2","3","4","4","6","7","1") = "6"
    & skf21("5","2","3","4","4","7","1","1") = "6"
    & skf21("5","2","3","4","4","7","2","1") = "6"
    & skf21("5","2","3","4","4","7","3","1") = "6"
    & skf21("5","2","3","4","4","7","4","1") = "6"
    & skf21("5","2","3","4","4","7","5","1") = "6"
    & skf21("5","2","3","4","4","7","6","1") = "6"
    & skf21("5","2","3","4","4","7","7","1") = "6"
    & skf21("5","2","3","4","5","1","1","1") = "4"
    & skf21("5","2","3","4","5","1","2","1") = "4"
    & skf21("5","2","3","4","5","1","3","1") = "4"
    & skf21("5","2","3","4","5","1","4","1") = "4"
    & skf21("5","2","3","4","5","1","5","1") = "4"
    & skf21("5","2","3","4","5","1","6","1") = "5"
    & skf21("5","2","3","4","5","1","7","1") = "6"
    & skf21("5","2","3","4","5","2","1","1") = "4"
    & skf21("5","2","3","4","5","2","2","1") = "4"
    & skf21("5","2","3","4","5","2","3","1") = "4"
    & skf21("5","2","3","4","5","2","4","1") = "4"
    & skf21("5","2","3","4","5","2","5","1") = "4"
    & skf21("5","2","3","4","5","2","6","1") = "5"
    & skf21("5","2","3","4","5","2","7","1") = "6"
    & skf21("5","2","3","4","5","3","1","1") = "4"
    & skf21("5","2","3","4","5","3","2","1") = "4"
    & skf21("5","2","3","4","5","3","3","1") = "4"
    & skf21("5","2","3","4","5","3","4","1") = "4"
    & skf21("5","2","3","4","5","3","5","1") = "4"
    & skf21("5","2","3","4","5","3","6","1") = "5"
    & skf21("5","2","3","4","5","3","7","1") = "6"
    & skf21("5","2","3","4","5","4","1","1") = "4"
    & skf21("5","2","3","4","5","4","2","1") = "4"
    & skf21("5","2","3","4","5","4","3","1") = "4"
    & skf21("5","2","3","4","5","4","4","1") = "4"
    & skf21("5","2","3","4","5","4","5","1") = "4"
    & skf21("5","2","3","4","5","4","6","1") = "5"
    & skf21("5","2","3","4","5","4","7","1") = "6"
    & skf21("5","2","3","4","5","5","1","1") = "4"
    & skf21("5","2","3","4","5","5","2","1") = "4"
    & skf21("5","2","3","4","5","5","3","1") = "4"
    & skf21("5","2","3","4","5","5","4","1") = "4"
    & skf21("5","2","3","4","5","5","5","1") = "4"
    & skf21("5","2","3","4","5","5","6","1") = "5"
    & skf21("5","2","3","4","5","5","7","1") = "6"
    & skf21("5","2","3","4","5","6","1","1") = "5"
    & skf21("5","2","3","4","5","6","2","1") = "5"
    & skf21("5","2","3","4","5","6","3","1") = "5"
    & skf21("5","2","3","4","5","6","4","1") = "5"
    & skf21("5","2","3","4","5","6","5","1") = "5"
    & skf21("5","2","3","4","5","6","6","1") = "5"
    & skf21("5","2","3","4","5","6","7","1") = "6"
    & skf21("5","2","3","4","5","7","1","1") = "6"
    & skf21("5","2","3","4","5","7","2","1") = "6"
    & skf21("5","2","3","4","5","7","3","1") = "6"
    & skf21("5","2","3","4","5","7","4","1") = "6"
    & skf21("5","2","3","4","5","7","5","1") = "6"
    & skf21("5","2","3","4","5","7","6","1") = "6"
    & skf21("5","2","3","4","5","7","7","1") = "6"
    & skf21("5","2","3","4","6","1","1","1") = "5"
    & skf21("5","2","3","4","6","1","2","1") = "5"
    & skf21("5","2","3","4","6","1","3","1") = "5"
    & skf21("5","2","3","4","6","1","4","1") = "5"
    & skf21("5","2","3","4","6","1","5","1") = "5"
    & skf21("5","2","3","4","6","1","6","1") = "5"
    & skf21("5","2","3","4","6","1","7","1") = "6"
    & skf21("5","2","3","4","6","2","1","1") = "5"
    & skf21("5","2","3","4","6","2","2","1") = "5"
    & skf21("5","2","3","4","6","2","3","1") = "5"
    & skf21("5","2","3","4","6","2","4","1") = "5"
    & skf21("5","2","3","4","6","2","5","1") = "5"
    & skf21("5","2","3","4","6","2","6","1") = "5"
    & skf21("5","2","3","4","6","2","7","1") = "6"
    & skf21("5","2","3","4","6","3","1","1") = "5"
    & skf21("5","2","3","4","6","3","2","1") = "5"
    & skf21("5","2","3","4","6","3","3","1") = "5"
    & skf21("5","2","3","4","6","3","4","1") = "5"
    & skf21("5","2","3","4","6","3","5","1") = "5"
    & skf21("5","2","3","4","6","3","6","1") = "5"
    & skf21("5","2","3","4","6","3","7","1") = "6"
    & skf21("5","2","3","4","6","4","1","1") = "5"
    & skf21("5","2","3","4","6","4","2","1") = "5"
    & skf21("5","2","3","4","6","4","3","1") = "5"
    & skf21("5","2","3","4","6","4","4","1") = "5"
    & skf21("5","2","3","4","6","4","5","1") = "5"
    & skf21("5","2","3","4","6","4","6","1") = "5"
    & skf21("5","2","3","4","6","4","7","1") = "6"
    & skf21("5","2","3","4","6","5","1","1") = "5"
    & skf21("5","2","3","4","6","5","2","1") = "5"
    & skf21("5","2","3","4","6","5","3","1") = "5"
    & skf21("5","2","3","4","6","5","4","1") = "5"
    & skf21("5","2","3","4","6","5","5","1") = "5"
    & skf21("5","2","3","4","6","5","6","1") = "5"
    & skf21("5","2","3","4","6","5","7","1") = "6"
    & skf21("5","2","3","4","6","6","1","1") = "5"
    & skf21("5","2","3","4","6","6","2","1") = "5"
    & skf21("5","2","3","4","6","6","3","1") = "5"
    & skf21("5","2","3","4","6","6","4","1") = "5"
    & skf21("5","2","3","4","6","6","5","1") = "5"
    & skf21("5","2","3","4","6","6","6","1") = "5"
    & skf21("5","2","3","4","6","6","7","1") = "6"
    & skf21("5","2","3","4","6","7","1","1") = "6"
    & skf21("5","2","3","4","6","7","2","1") = "6"
    & skf21("5","2","3","4","6","7","3","1") = "6"
    & skf21("5","2","3","4","6","7","4","1") = "6"
    & skf21("5","2","3","4","6","7","5","1") = "6"
    & skf21("5","2","3","4","6","7","6","1") = "6"
    & skf21("5","2","3","4","6","7","7","1") = "6"
    & skf21("5","2","3","4","7","1","1","1") = "6"
    & skf21("5","2","3","4","7","1","2","1") = "6"
    & skf21("5","2","3","4","7","1","3","1") = "6"
    & skf21("5","2","3","4","7","1","4","1") = "6"
    & skf21("5","2","3","4","7","1","5","1") = "6"
    & skf21("5","2","3","4","7","1","6","1") = "6"
    & skf21("5","2","3","4","7","1","7","1") = "6"
    & skf21("5","2","3","4","7","2","1","1") = "6"
    & skf21("5","2","3","4","7","2","2","1") = "6"
    & skf21("5","2","3","4","7","2","3","1") = "6"
    & skf21("5","2","3","4","7","2","4","1") = "6"
    & skf21("5","2","3","4","7","2","5","1") = "6"
    & skf21("5","2","3","4","7","2","6","1") = "6"
    & skf21("5","2","3","4","7","2","7","1") = "6"
    & skf21("5","2","3","4","7","3","1","1") = "6"
    & skf21("5","2","3","4","7","3","2","1") = "6"
    & skf21("5","2","3","4","7","3","3","1") = "6"
    & skf21("5","2","3","4","7","3","4","1") = "6"
    & skf21("5","2","3","4","7","3","5","1") = "6"
    & skf21("5","2","3","4","7","3","6","1") = "6"
    & skf21("5","2","3","4","7","3","7","1") = "6"
    & skf21("5","2","3","4","7","4","1","1") = "6"
    & skf21("5","2","3","4","7","4","2","1") = "6"
    & skf21("5","2","3","4","7","4","3","1") = "6"
    & skf21("5","2","3","4","7","4","4","1") = "6"
    & skf21("5","2","3","4","7","4","5","1") = "6"
    & skf21("5","2","3","4","7","4","6","1") = "6"
    & skf21("5","2","3","4","7","4","7","1") = "6"
    & skf21("5","2","3","4","7","5","1","1") = "6"
    & skf21("5","2","3","4","7","5","2","1") = "6"
    & skf21("5","2","3","4","7","5","3","1") = "6"
    & skf21("5","2","3","4","7","5","4","1") = "6"
    & skf21("5","2","3","4","7","5","5","1") = "6"
    & skf21("5","2","3","4","7","5","6","1") = "6"
    & skf21("5","2","3","4","7","5","7","1") = "6"
    & skf21("5","2","3","4","7","6","1","1") = "6"
    & skf21("5","2","3","4","7","6","2","1") = "6"
    & skf21("5","2","3","4","7","6","3","1") = "6"
    & skf21("5","2","3","4","7","6","4","1") = "6"
    & skf21("5","2","3","4","7","6","5","1") = "6"
    & skf21("5","2","3","4","7","6","6","1") = "6"
    & skf21("5","2","3","4","7","6","7","1") = "6"
    & skf21("5","2","3","4","7","7","1","1") = "6"
    & skf21("5","2","3","4","7","7","2","1") = "6"
    & skf21("5","2","3","4","7","7","3","1") = "6"
    & skf21("5","2","3","4","7","7","4","1") = "6"
    & skf21("5","2","3","4","7","7","5","1") = "6"
    & skf21("5","2","3","4","7","7","6","1") = "6"
    & skf21("5","2","3","4","7","7","7","1") = "6"
    & skf21("5","2","3","5","1","1","1","1") = "4"
    & skf21("5","2","3","5","1","1","2","1") = "4"
    & skf21("5","2","3","5","1","1","3","1") = "4"
    & skf21("5","2","3","5","1","1","4","1") = "4"
    & skf21("5","2","3","5","1","1","5","1") = "4"
    & skf21("5","2","3","5","1","1","6","1") = "5"
    & skf21("5","2","3","5","1","1","7","1") = "6"
    & skf21("5","2","3","5","1","2","1","1") = "4"
    & skf21("5","2","3","5","1","2","2","1") = "4"
    & skf21("5","2","3","5","1","2","3","1") = "4"
    & skf21("5","2","3","5","1","2","4","1") = "4"
    & skf21("5","2","3","5","1","2","5","1") = "4"
    & skf21("5","2","3","5","1","2","6","1") = "5"
    & skf21("5","2","3","5","1","2","7","1") = "6"
    & skf21("5","2","3","5","1","3","1","1") = "4"
    & skf21("5","2","3","5","1","3","2","1") = "4"
    & skf21("5","2","3","5","1","3","3","1") = "4"
    & skf21("5","2","3","5","1","3","4","1") = "4"
    & skf21("5","2","3","5","1","3","5","1") = "4"
    & skf21("5","2","3","5","1","3","6","1") = "5"
    & skf21("5","2","3","5","1","3","7","1") = "6"
    & skf21("5","2","3","5","1","4","1","1") = "4"
    & skf21("5","2","3","5","1","4","2","1") = "4"
    & skf21("5","2","3","5","1","4","3","1") = "4"
    & skf21("5","2","3","5","1","4","4","1") = "4"
    & skf21("5","2","3","5","1","4","5","1") = "4"
    & skf21("5","2","3","5","1","4","6","1") = "5"
    & skf21("5","2","3","5","1","4","7","1") = "6"
    & skf21("5","2","3","5","1","5","1","1") = "4"
    & skf21("5","2","3","5","1","5","2","1") = "4"
    & skf21("5","2","3","5","1","5","3","1") = "4"
    & skf21("5","2","3","5","1","5","4","1") = "4"
    & skf21("5","2","3","5","1","5","5","1") = "4"
    & skf21("5","2","3","5","1","5","6","1") = "5"
    & skf21("5","2","3","5","1","5","7","1") = "6"
    & skf21("5","2","3","5","1","6","1","1") = "5"
    & skf21("5","2","3","5","1","6","2","1") = "5"
    & skf21("5","2","3","5","1","6","3","1") = "5"
    & skf21("5","2","3","5","1","6","4","1") = "5"
    & skf21("5","2","3","5","1","6","5","1") = "5"
    & skf21("5","2","3","5","1","6","6","1") = "5"
    & skf21("5","2","3","5","1","6","7","1") = "6"
    & skf21("5","2","3","5","1","7","1","1") = "6"
    & skf21("5","2","3","5","1","7","2","1") = "6"
    & skf21("5","2","3","5","1","7","3","1") = "6"
    & skf21("5","2","3","5","1","7","4","1") = "6"
    & skf21("5","2","3","5","1","7","5","1") = "6"
    & skf21("5","2","3","5","1","7","6","1") = "6"
    & skf21("5","2","3","5","1","7","7","1") = "6"
    & skf21("5","2","3","5","2","1","1","1") = "4"
    & skf21("5","2","3","5","2","1","2","1") = "4"
    & skf21("5","2","3","5","2","1","3","1") = "4"
    & skf21("5","2","3","5","2","1","4","1") = "4"
    & skf21("5","2","3","5","2","1","5","1") = "4"
    & skf21("5","2","3","5","2","1","6","1") = "5"
    & skf21("5","2","3","5","2","1","7","1") = "6"
    & skf21("5","2","3","5","2","2","1","1") = "4"
    & skf21("5","2","3","5","2","2","2","1") = "4"
    & skf21("5","2","3","5","2","2","3","1") = "4"
    & skf21("5","2","3","5","2","2","4","1") = "4"
    & skf21("5","2","3","5","2","2","5","1") = "4"
    & skf21("5","2","3","5","2","2","6","1") = "5"
    & skf21("5","2","3","5","2","2","7","1") = "6"
    & skf21("5","2","3","5","2","3","1","1") = "4"
    & skf21("5","2","3","5","2","3","2","1") = "4"
    & skf21("5","2","3","5","2","3","3","1") = "4"
    & skf21("5","2","3","5","2","3","4","1") = "4"
    & skf21("5","2","3","5","2","3","5","1") = "4"
    & skf21("5","2","3","5","2","3","6","1") = "5"
    & skf21("5","2","3","5","2","3","7","1") = "6"
    & skf21("5","2","3","5","2","4","1","1") = "4"
    & skf21("5","2","3","5","2","4","2","1") = "4"
    & skf21("5","2","3","5","2","4","3","1") = "4"
    & skf21("5","2","3","5","2","4","4","1") = "4"
    & skf21("5","2","3","5","2","4","5","1") = "4"
    & skf21("5","2","3","5","2","4","6","1") = "5"
    & skf21("5","2","3","5","2","4","7","1") = "6"
    & skf21("5","2","3","5","2","5","1","1") = "4"
    & skf21("5","2","3","5","2","5","2","1") = "4"
    & skf21("5","2","3","5","2","5","3","1") = "4"
    & skf21("5","2","3","5","2","5","4","1") = "4"
    & skf21("5","2","3","5","2","5","5","1") = "4"
    & skf21("5","2","3","5","2","5","6","1") = "5"
    & skf21("5","2","3","5","2","5","7","1") = "6"
    & skf21("5","2","3","5","2","6","1","1") = "5"
    & skf21("5","2","3","5","2","6","2","1") = "5"
    & skf21("5","2","3","5","2","6","3","1") = "5"
    & skf21("5","2","3","5","2","6","4","1") = "5"
    & skf21("5","2","3","5","2","6","5","1") = "5"
    & skf21("5","2","3","5","2","6","6","1") = "5"
    & skf21("5","2","3","5","2","6","7","1") = "6"
    & skf21("5","2","3","5","2","7","1","1") = "6"
    & skf21("5","2","3","5","2","7","2","1") = "6"
    & skf21("5","2","3","5","2","7","3","1") = "6"
    & skf21("5","2","3","5","2","7","4","1") = "6"
    & skf21("5","2","3","5","2","7","5","1") = "6"
    & skf21("5","2","3","5","2","7","6","1") = "6"
    & skf21("5","2","3","5","2","7","7","1") = "6"
    & skf21("5","2","3","5","3","1","1","1") = "4"
    & skf21("5","2","3","5","3","1","2","1") = "4"
    & skf21("5","2","3","5","3","1","3","1") = "4"
    & skf21("5","2","3","5","3","1","4","1") = "4"
    & skf21("5","2","3","5","3","1","5","1") = "4"
    & skf21("5","2","3","5","3","1","6","1") = "5"
    & skf21("5","2","3","5","3","1","7","1") = "6"
    & skf21("5","2","3","5","3","2","1","1") = "4"
    & skf21("5","2","3","5","3","2","2","1") = "4"
    & skf21("5","2","3","5","3","2","3","1") = "4"
    & skf21("5","2","3","5","3","2","4","1") = "4"
    & skf21("5","2","3","5","3","2","5","1") = "4"
    & skf21("5","2","3","5","3","2","6","1") = "5"
    & skf21("5","2","3","5","3","2","7","1") = "6"
    & skf21("5","2","3","5","3","3","1","1") = "4"
    & skf21("5","2","3","5","3","3","2","1") = "4"
    & skf21("5","2","3","5","3","3","3","1") = "4"
    & skf21("5","2","3","5","3","3","4","1") = "4"
    & skf21("5","2","3","5","3","3","5","1") = "4"
    & skf21("5","2","3","5","3","3","6","1") = "5"
    & skf21("5","2","3","5","3","3","7","1") = "6"
    & skf21("5","2","3","5","3","4","1","1") = "4"
    & skf21("5","2","3","5","3","4","2","1") = "4"
    & skf21("5","2","3","5","3","4","3","1") = "4"
    & skf21("5","2","3","5","3","4","4","1") = "4"
    & skf21("5","2","3","5","3","4","5","1") = "4"
    & skf21("5","2","3","5","3","4","6","1") = "5"
    & skf21("5","2","3","5","3","4","7","1") = "6"
    & skf21("5","2","3","5","3","5","1","1") = "4"
    & skf21("5","2","3","5","3","5","2","1") = "4"
    & skf21("5","2","3","5","3","5","3","1") = "4"
    & skf21("5","2","3","5","3","5","4","1") = "4"
    & skf21("5","2","3","5","3","5","5","1") = "4"
    & skf21("5","2","3","5","3","5","6","1") = "5"
    & skf21("5","2","3","5","3","5","7","1") = "6"
    & skf21("5","2","3","5","3","6","1","1") = "5"
    & skf21("5","2","3","5","3","6","2","1") = "5"
    & skf21("5","2","3","5","3","6","3","1") = "5"
    & skf21("5","2","3","5","3","6","4","1") = "5"
    & skf21("5","2","3","5","3","6","5","1") = "5"
    & skf21("5","2","3","5","3","6","6","1") = "5"
    & skf21("5","2","3","5","3","6","7","1") = "6"
    & skf21("5","2","3","5","3","7","1","1") = "6"
    & skf21("5","2","3","5","3","7","2","1") = "6"
    & skf21("5","2","3","5","3","7","3","1") = "6"
    & skf21("5","2","3","5","3","7","4","1") = "6"
    & skf21("5","2","3","5","3","7","5","1") = "6"
    & skf21("5","2","3","5","3","7","6","1") = "6"
    & skf21("5","2","3","5","3","7","7","1") = "6"
    & skf21("5","2","3","5","4","1","1","1") = "4"
    & skf21("5","2","3","5","4","1","2","1") = "4"
    & skf21("5","2","3","5","4","1","3","1") = "4"
    & skf21("5","2","3","5","4","1","4","1") = "4"
    & skf21("5","2","3","5","4","1","5","1") = "4"
    & skf21("5","2","3","5","4","1","6","1") = "5"
    & skf21("5","2","3","5","4","1","7","1") = "6"
    & skf21("5","2","3","5","4","2","1","1") = "4"
    & skf21("5","2","3","5","4","2","2","1") = "4"
    & skf21("5","2","3","5","4","2","3","1") = "4"
    & skf21("5","2","3","5","4","2","4","1") = "4"
    & skf21("5","2","3","5","4","2","5","1") = "4"
    & skf21("5","2","3","5","4","2","6","1") = "5"
    & skf21("5","2","3","5","4","2","7","1") = "6"
    & skf21("5","2","3","5","4","3","1","1") = "4"
    & skf21("5","2","3","5","4","3","2","1") = "4"
    & skf21("5","2","3","5","4","3","3","1") = "4"
    & skf21("5","2","3","5","4","3","4","1") = "4"
    & skf21("5","2","3","5","4","3","5","1") = "4"
    & skf21("5","2","3","5","4","3","6","1") = "5"
    & skf21("5","2","3","5","4","3","7","1") = "6"
    & skf21("5","2","3","5","4","4","1","1") = "4"
    & skf21("5","2","3","5","4","4","2","1") = "4"
    & skf21("5","2","3","5","4","4","3","1") = "4"
    & skf21("5","2","3","5","4","4","4","1") = "4"
    & skf21("5","2","3","5","4","4","5","1") = "4"
    & skf21("5","2","3","5","4","4","6","1") = "5"
    & skf21("5","2","3","5","4","4","7","1") = "6"
    & skf21("5","2","3","5","4","5","1","1") = "4"
    & skf21("5","2","3","5","4","5","2","1") = "4"
    & skf21("5","2","3","5","4","5","3","1") = "4"
    & skf21("5","2","3","5","4","5","4","1") = "4"
    & skf21("5","2","3","5","4","5","5","1") = "4"
    & skf21("5","2","3","5","4","5","6","1") = "5"
    & skf21("5","2","3","5","4","5","7","1") = "6"
    & skf21("5","2","3","5","4","6","1","1") = "5"
    & skf21("5","2","3","5","4","6","2","1") = "5"
    & skf21("5","2","3","5","4","6","3","1") = "5"
    & skf21("5","2","3","5","4","6","4","1") = "5"
    & skf21("5","2","3","5","4","6","5","1") = "5"
    & skf21("5","2","3","5","4","6","6","1") = "5"
    & skf21("5","2","3","5","4","6","7","1") = "6"
    & skf21("5","2","3","5","4","7","1","1") = "6"
    & skf21("5","2","3","5","4","7","2","1") = "6"
    & skf21("5","2","3","5","4","7","3","1") = "6"
    & skf21("5","2","3","5","4","7","4","1") = "6"
    & skf21("5","2","3","5","4","7","5","1") = "6"
    & skf21("5","2","3","5","4","7","6","1") = "6"
    & skf21("5","2","3","5","4","7","7","1") = "6"
    & skf21("5","2","3","5","5","1","1","1") = "4"
    & skf21("5","2","3","5","5","1","2","1") = "4"
    & skf21("5","2","3","5","5","1","3","1") = "4"
    & skf21("5","2","3","5","5","1","4","1") = "4"
    & skf21("5","2","3","5","5","1","5","1") = "4"
    & skf21("5","2","3","5","5","1","6","1") = "5"
    & skf21("5","2","3","5","5","1","7","1") = "6"
    & skf21("5","2","3","5","5","2","1","1") = "4"
    & skf21("5","2","3","5","5","2","2","1") = "4"
    & skf21("5","2","3","5","5","2","3","1") = "4"
    & skf21("5","2","3","5","5","2","4","1") = "4"
    & skf21("5","2","3","5","5","2","5","1") = "4"
    & skf21("5","2","3","5","5","2","6","1") = "5"
    & skf21("5","2","3","5","5","2","7","1") = "6"
    & skf21("5","2","3","5","5","3","1","1") = "4"
    & skf21("5","2","3","5","5","3","2","1") = "4"
    & skf21("5","2","3","5","5","3","3","1") = "4"
    & skf21("5","2","3","5","5","3","4","1") = "4"
    & skf21("5","2","3","5","5","3","5","1") = "4"
    & skf21("5","2","3","5","5","3","6","1") = "5"
    & skf21("5","2","3","5","5","3","7","1") = "6"
    & skf21("5","2","3","5","5","4","1","1") = "4"
    & skf21("5","2","3","5","5","4","2","1") = "4"
    & skf21("5","2","3","5","5","4","3","1") = "4"
    & skf21("5","2","3","5","5","4","4","1") = "4"
    & skf21("5","2","3","5","5","4","5","1") = "4"
    & skf21("5","2","3","5","5","4","6","1") = "5"
    & skf21("5","2","3","5","5","4","7","1") = "6"
    & skf21("5","2","3","5","5","5","1","1") = "4"
    & skf21("5","2","3","5","5","5","2","1") = "4"
    & skf21("5","2","3","5","5","5","3","1") = "4"
    & skf21("5","2","3","5","5","5","4","1") = "4"
    & skf21("5","2","3","5","5","5","5","1") = "4"
    & skf21("5","2","3","5","5","5","6","1") = "5"
    & skf21("5","2","3","5","5","5","7","1") = "6"
    & skf21("5","2","3","5","5","6","1","1") = "5"
    & skf21("5","2","3","5","5","6","2","1") = "5"
    & skf21("5","2","3","5","5","6","3","1") = "5"
    & skf21("5","2","3","5","5","6","4","1") = "5"
    & skf21("5","2","3","5","5","6","5","1") = "5"
    & skf21("5","2","3","5","5","6","6","1") = "5"
    & skf21("5","2","3","5","5","6","7","1") = "6"
    & skf21("5","2","3","5","5","7","1","1") = "6"
    & skf21("5","2","3","5","5","7","2","1") = "6"
    & skf21("5","2","3","5","5","7","3","1") = "6"
    & skf21("5","2","3","5","5","7","4","1") = "6"
    & skf21("5","2","3","5","5","7","5","1") = "6"
    & skf21("5","2","3","5","5","7","6","1") = "6"
    & skf21("5","2","3","5","5","7","7","1") = "6"
    & skf21("5","2","3","5","6","1","1","1") = "5"
    & skf21("5","2","3","5","6","1","2","1") = "5"
    & skf21("5","2","3","5","6","1","3","1") = "5"
    & skf21("5","2","3","5","6","1","4","1") = "5"
    & skf21("5","2","3","5","6","1","5","1") = "5"
    & skf21("5","2","3","5","6","1","6","1") = "5"
    & skf21("5","2","3","5","6","1","7","1") = "6"
    & skf21("5","2","3","5","6","2","1","1") = "5"
    & skf21("5","2","3","5","6","2","2","1") = "5"
    & skf21("5","2","3","5","6","2","3","1") = "5"
    & skf21("5","2","3","5","6","2","4","1") = "5"
    & skf21("5","2","3","5","6","2","5","1") = "5"
    & skf21("5","2","3","5","6","2","6","1") = "5"
    & skf21("5","2","3","5","6","2","7","1") = "6"
    & skf21("5","2","3","5","6","3","1","1") = "5"
    & skf21("5","2","3","5","6","3","2","1") = "5"
    & skf21("5","2","3","5","6","3","3","1") = "5"
    & skf21("5","2","3","5","6","3","4","1") = "5"
    & skf21("5","2","3","5","6","3","5","1") = "5"
    & skf21("5","2","3","5","6","3","6","1") = "5"
    & skf21("5","2","3","5","6","3","7","1") = "6"
    & skf21("5","2","3","5","6","4","1","1") = "5"
    & skf21("5","2","3","5","6","4","2","1") = "5"
    & skf21("5","2","3","5","6","4","3","1") = "5"
    & skf21("5","2","3","5","6","4","4","1") = "5"
    & skf21("5","2","3","5","6","4","5","1") = "5"
    & skf21("5","2","3","5","6","4","6","1") = "5"
    & skf21("5","2","3","5","6","4","7","1") = "6"
    & skf21("5","2","3","5","6","5","1","1") = "5"
    & skf21("5","2","3","5","6","5","2","1") = "5"
    & skf21("5","2","3","5","6","5","3","1") = "5"
    & skf21("5","2","3","5","6","5","4","1") = "5"
    & skf21("5","2","3","5","6","5","5","1") = "5"
    & skf21("5","2","3","5","6","5","6","1") = "5"
    & skf21("5","2","3","5","6","5","7","1") = "6"
    & skf21("5","2","3","5","6","6","1","1") = "5"
    & skf21("5","2","3","5","6","6","2","1") = "5"
    & skf21("5","2","3","5","6","6","3","1") = "5"
    & skf21("5","2","3","5","6","6","4","1") = "5"
    & skf21("5","2","3","5","6","6","5","1") = "5"
    & skf21("5","2","3","5","6","6","6","1") = "5"
    & skf21("5","2","3","5","6","6","7","1") = "6"
    & skf21("5","2","3","5","6","7","1","1") = "6"
    & skf21("5","2","3","5","6","7","2","1") = "6"
    & skf21("5","2","3","5","6","7","3","1") = "6"
    & skf21("5","2","3","5","6","7","4","1") = "6"
    & skf21("5","2","3","5","6","7","5","1") = "6"
    & skf21("5","2","3","5","6","7","6","1") = "6"
    & skf21("5","2","3","5","6","7","7","1") = "6"
    & skf21("5","2","3","5","7","1","1","1") = "6"
    & skf21("5","2","3","5","7","1","2","1") = "6"
    & skf21("5","2","3","5","7","1","3","1") = "6"
    & skf21("5","2","3","5","7","1","4","1") = "6"
    & skf21("5","2","3","5","7","1","5","1") = "6"
    & skf21("5","2","3","5","7","1","6","1") = "6"
    & skf21("5","2","3","5","7","1","7","1") = "6"
    & skf21("5","2","3","5","7","2","1","1") = "6"
    & skf21("5","2","3","5","7","2","2","1") = "6"
    & skf21("5","2","3","5","7","2","3","1") = "6"
    & skf21("5","2","3","5","7","2","4","1") = "6"
    & skf21("5","2","3","5","7","2","5","1") = "6"
    & skf21("5","2","3","5","7","2","6","1") = "6"
    & skf21("5","2","3","5","7","2","7","1") = "6"
    & skf21("5","2","3","5","7","3","1","1") = "6"
    & skf21("5","2","3","5","7","3","2","1") = "6"
    & skf21("5","2","3","5","7","3","3","1") = "6"
    & skf21("5","2","3","5","7","3","4","1") = "6"
    & skf21("5","2","3","5","7","3","5","1") = "6"
    & skf21("5","2","3","5","7","3","6","1") = "6"
    & skf21("5","2","3","5","7","3","7","1") = "6"
    & skf21("5","2","3","5","7","4","1","1") = "6"
    & skf21("5","2","3","5","7","4","2","1") = "6"
    & skf21("5","2","3","5","7","4","3","1") = "6"
    & skf21("5","2","3","5","7","4","4","1") = "6"
    & skf21("5","2","3","5","7","4","5","1") = "6"
    & skf21("5","2","3","5","7","4","6","1") = "6"
    & skf21("5","2","3","5","7","4","7","1") = "6"
    & skf21("5","2","3","5","7","5","1","1") = "6"
    & skf21("5","2","3","5","7","5","2","1") = "6"
    & skf21("5","2","3","5","7","5","3","1") = "6"
    & skf21("5","2","3","5","7","5","4","1") = "6"
    & skf21("5","2","3","5","7","5","5","1") = "6"
    & skf21("5","2","3","5","7","5","6","1") = "6"
    & skf21("5","2","3","5","7","5","7","1") = "6"
    & skf21("5","2","3","5","7","6","1","1") = "6"
    & skf21("5","2","3","5","7","6","2","1") = "6"
    & skf21("5","2","3","5","7","6","3","1") = "6"
    & skf21("5","2","3","5","7","6","4","1") = "6"
    & skf21("5","2","3","5","7","6","5","1") = "6"
    & skf21("5","2","3","5","7","6","6","1") = "6"
    & skf21("5","2","3","5","7","6","7","1") = "6"
    & skf21("5","2","3","5","7","7","1","1") = "6"
    & skf21("5","2","3","5","7","7","2","1") = "6"
    & skf21("5","2","3","5","7","7","3","1") = "6"
    & skf21("5","2","3","5","7","7","4","1") = "6"
    & skf21("5","2","3","5","7","7","5","1") = "6"
    & skf21("5","2","3","5","7","7","6","1") = "6"
    & skf21("5","2","3","5","7","7","7","1") = "6"
    & skf21("5","2","3","6","1","1","1","1") = "5"
    & skf21("5","2","3","6","1","1","2","1") = "5"
    & skf21("5","2","3","6","1","1","3","1") = "5"
    & skf21("5","2","3","6","1","1","4","1") = "5"
    & skf21("5","2","3","6","1","1","5","1") = "5"
    & skf21("5","2","3","6","1","1","6","1") = "5"
    & skf21("5","2","3","6","1","1","7","1") = "6"
    & skf21("5","2","3","6","1","2","1","1") = "5"
    & skf21("5","2","3","6","1","2","2","1") = "5"
    & skf21("5","2","3","6","1","2","3","1") = "5"
    & skf21("5","2","3","6","1","2","4","1") = "5"
    & skf21("5","2","3","6","1","2","5","1") = "5"
    & skf21("5","2","3","6","1","2","6","1") = "5"
    & skf21("5","2","3","6","1","2","7","1") = "6"
    & skf21("5","2","3","6","1","3","1","1") = "5"
    & skf21("5","2","3","6","1","3","2","1") = "5"
    & skf21("5","2","3","6","1","3","3","1") = "5"
    & skf21("5","2","3","6","1","3","4","1") = "5"
    & skf21("5","2","3","6","1","3","5","1") = "5"
    & skf21("5","2","3","6","1","3","6","1") = "5"
    & skf21("5","2","3","6","1","3","7","1") = "6"
    & skf21("5","2","3","6","1","4","1","1") = "5"
    & skf21("5","2","3","6","1","4","2","1") = "5"
    & skf21("5","2","3","6","1","4","3","1") = "5"
    & skf21("5","2","3","6","1","4","4","1") = "5"
    & skf21("5","2","3","6","1","4","5","1") = "5"
    & skf21("5","2","3","6","1","4","6","1") = "5"
    & skf21("5","2","3","6","1","4","7","1") = "6"
    & skf21("5","2","3","6","1","5","1","1") = "5"
    & skf21("5","2","3","6","1","5","2","1") = "5"
    & skf21("5","2","3","6","1","5","3","1") = "5"
    & skf21("5","2","3","6","1","5","4","1") = "5"
    & skf21("5","2","3","6","1","5","5","1") = "5"
    & skf21("5","2","3","6","1","5","6","1") = "5"
    & skf21("5","2","3","6","1","5","7","1") = "6"
    & skf21("5","2","3","6","1","6","1","1") = "5"
    & skf21("5","2","3","6","1","6","2","1") = "5"
    & skf21("5","2","3","6","1","6","3","1") = "5"
    & skf21("5","2","3","6","1","6","4","1") = "5"
    & skf21("5","2","3","6","1","6","5","1") = "5"
    & skf21("5","2","3","6","1","6","6","1") = "5"
    & skf21("5","2","3","6","1","6","7","1") = "6"
    & skf21("5","2","3","6","1","7","1","1") = "6"
    & skf21("5","2","3","6","1","7","2","1") = "6"
    & skf21("5","2","3","6","1","7","3","1") = "6"
    & skf21("5","2","3","6","1","7","4","1") = "6"
    & skf21("5","2","3","6","1","7","5","1") = "6"
    & skf21("5","2","3","6","1","7","6","1") = "6"
    & skf21("5","2","3","6","1","7","7","1") = "6"
    & skf21("5","2","3","6","2","1","1","1") = "5"
    & skf21("5","2","3","6","2","1","2","1") = "5"
    & skf21("5","2","3","6","2","1","3","1") = "5"
    & skf21("5","2","3","6","2","1","4","1") = "5"
    & skf21("5","2","3","6","2","1","5","1") = "5"
    & skf21("5","2","3","6","2","1","6","1") = "5"
    & skf21("5","2","3","6","2","1","7","1") = "6"
    & skf21("5","2","3","6","2","2","1","1") = "5"
    & skf21("5","2","3","6","2","2","2","1") = "5"
    & skf21("5","2","3","6","2","2","3","1") = "5"
    & skf21("5","2","3","6","2","2","4","1") = "5"
    & skf21("5","2","3","6","2","2","5","1") = "5"
    & skf21("5","2","3","6","2","2","6","1") = "5"
    & skf21("5","2","3","6","2","2","7","1") = "6"
    & skf21("5","2","3","6","2","3","1","1") = "5"
    & skf21("5","2","3","6","2","3","2","1") = "5"
    & skf21("5","2","3","6","2","3","3","1") = "5"
    & skf21("5","2","3","6","2","3","4","1") = "5"
    & skf21("5","2","3","6","2","3","5","1") = "5"
    & skf21("5","2","3","6","2","3","6","1") = "5"
    & skf21("5","2","3","6","2","3","7","1") = "6"
    & skf21("5","2","3","6","2","4","1","1") = "5"
    & skf21("5","2","3","6","2","4","2","1") = "5"
    & skf21("5","2","3","6","2","4","3","1") = "5"
    & skf21("5","2","3","6","2","4","4","1") = "5"
    & skf21("5","2","3","6","2","4","5","1") = "5"
    & skf21("5","2","3","6","2","4","6","1") = "5"
    & skf21("5","2","3","6","2","4","7","1") = "6"
    & skf21("5","2","3","6","2","5","1","1") = "5"
    & skf21("5","2","3","6","2","5","2","1") = "5"
    & skf21("5","2","3","6","2","5","3","1") = "5"
    & skf21("5","2","3","6","2","5","4","1") = "5"
    & skf21("5","2","3","6","2","5","5","1") = "5"
    & skf21("5","2","3","6","2","5","6","1") = "5"
    & skf21("5","2","3","6","2","5","7","1") = "6"
    & skf21("5","2","3","6","2","6","1","1") = "5"
    & skf21("5","2","3","6","2","6","2","1") = "5"
    & skf21("5","2","3","6","2","6","3","1") = "5"
    & skf21("5","2","3","6","2","6","4","1") = "5"
    & skf21("5","2","3","6","2","6","5","1") = "5"
    & skf21("5","2","3","6","2","6","6","1") = "5"
    & skf21("5","2","3","6","2","6","7","1") = "6"
    & skf21("5","2","3","6","2","7","1","1") = "6"
    & skf21("5","2","3","6","2","7","2","1") = "6"
    & skf21("5","2","3","6","2","7","3","1") = "6"
    & skf21("5","2","3","6","2","7","4","1") = "6"
    & skf21("5","2","3","6","2","7","5","1") = "6"
    & skf21("5","2","3","6","2","7","6","1") = "6"
    & skf21("5","2","3","6","2","7","7","1") = "6"
    & skf21("5","2","3","6","3","1","1","1") = "5"
    & skf21("5","2","3","6","3","1","2","1") = "5"
    & skf21("5","2","3","6","3","1","3","1") = "5"
    & skf21("5","2","3","6","3","1","4","1") = "5"
    & skf21("5","2","3","6","3","1","5","1") = "5"
    & skf21("5","2","3","6","3","1","6","1") = "5"
    & skf21("5","2","3","6","3","1","7","1") = "6"
    & skf21("5","2","3","6","3","2","1","1") = "5"
    & skf21("5","2","3","6","3","2","2","1") = "5"
    & skf21("5","2","3","6","3","2","3","1") = "5"
    & skf21("5","2","3","6","3","2","4","1") = "5"
    & skf21("5","2","3","6","3","2","5","1") = "5"
    & skf21("5","2","3","6","3","2","6","1") = "5"
    & skf21("5","2","3","6","3","2","7","1") = "6"
    & skf21("5","2","3","6","3","3","1","1") = "5"
    & skf21("5","2","3","6","3","3","2","1") = "5"
    & skf21("5","2","3","6","3","3","3","1") = "5"
    & skf21("5","2","3","6","3","3","4","1") = "5"
    & skf21("5","2","3","6","3","3","5","1") = "5"
    & skf21("5","2","3","6","3","3","6","1") = "5"
    & skf21("5","2","3","6","3","3","7","1") = "6"
    & skf21("5","2","3","6","3","4","1","1") = "5"
    & skf21("5","2","3","6","3","4","2","1") = "5"
    & skf21("5","2","3","6","3","4","3","1") = "5"
    & skf21("5","2","3","6","3","4","4","1") = "5"
    & skf21("5","2","3","6","3","4","5","1") = "5"
    & skf21("5","2","3","6","3","4","6","1") = "5"
    & skf21("5","2","3","6","3","4","7","1") = "6"
    & skf21("5","2","3","6","3","5","1","1") = "5"
    & skf21("5","2","3","6","3","5","2","1") = "5"
    & skf21("5","2","3","6","3","5","3","1") = "5"
    & skf21("5","2","3","6","3","5","4","1") = "5"
    & skf21("5","2","3","6","3","5","5","1") = "5"
    & skf21("5","2","3","6","3","5","6","1") = "5"
    & skf21("5","2","3","6","3","5","7","1") = "6"
    & skf21("5","2","3","6","3","6","1","1") = "5"
    & skf21("5","2","3","6","3","6","2","1") = "5"
    & skf21("5","2","3","6","3","6","3","1") = "5"
    & skf21("5","2","3","6","3","6","4","1") = "5"
    & skf21("5","2","3","6","3","6","5","1") = "5"
    & skf21("5","2","3","6","3","6","6","1") = "5"
    & skf21("5","2","3","6","3","6","7","1") = "6"
    & skf21("5","2","3","6","3","7","1","1") = "6"
    & skf21("5","2","3","6","3","7","2","1") = "6"
    & skf21("5","2","3","6","3","7","3","1") = "6"
    & skf21("5","2","3","6","3","7","4","1") = "6"
    & skf21("5","2","3","6","3","7","5","1") = "6"
    & skf21("5","2","3","6","3","7","6","1") = "6"
    & skf21("5","2","3","6","3","7","7","1") = "6"
    & skf21("5","2","3","6","4","1","1","1") = "5"
    & skf21("5","2","3","6","4","1","2","1") = "5"
    & skf21("5","2","3","6","4","1","3","1") = "5"
    & skf21("5","2","3","6","4","1","4","1") = "5"
    & skf21("5","2","3","6","4","1","5","1") = "5"
    & skf21("5","2","3","6","4","1","6","1") = "5"
    & skf21("5","2","3","6","4","1","7","1") = "6"
    & skf21("5","2","3","6","4","2","1","1") = "5"
    & skf21("5","2","3","6","4","2","2","1") = "5"
    & skf21("5","2","3","6","4","2","3","1") = "5"
    & skf21("5","2","3","6","4","2","4","1") = "5"
    & skf21("5","2","3","6","4","2","5","1") = "5"
    & skf21("5","2","3","6","4","2","6","1") = "5"
    & skf21("5","2","3","6","4","2","7","1") = "6"
    & skf21("5","2","3","6","4","3","1","1") = "5"
    & skf21("5","2","3","6","4","3","2","1") = "5"
    & skf21("5","2","3","6","4","3","3","1") = "5"
    & skf21("5","2","3","6","4","3","4","1") = "5"
    & skf21("5","2","3","6","4","3","5","1") = "5"
    & skf21("5","2","3","6","4","3","6","1") = "5"
    & skf21("5","2","3","6","4","3","7","1") = "6"
    & skf21("5","2","3","6","4","4","1","1") = "5"
    & skf21("5","2","3","6","4","4","2","1") = "5"
    & skf21("5","2","3","6","4","4","3","1") = "5"
    & skf21("5","2","3","6","4","4","4","1") = "5"
    & skf21("5","2","3","6","4","4","5","1") = "5"
    & skf21("5","2","3","6","4","4","6","1") = "5"
    & skf21("5","2","3","6","4","4","7","1") = "6"
    & skf21("5","2","3","6","4","5","1","1") = "5"
    & skf21("5","2","3","6","4","5","2","1") = "5"
    & skf21("5","2","3","6","4","5","3","1") = "5"
    & skf21("5","2","3","6","4","5","4","1") = "5"
    & skf21("5","2","3","6","4","5","5","1") = "5"
    & skf21("5","2","3","6","4","5","6","1") = "5"
    & skf21("5","2","3","6","4","5","7","1") = "6"
    & skf21("5","2","3","6","4","6","1","1") = "5"
    & skf21("5","2","3","6","4","6","2","1") = "5"
    & skf21("5","2","3","6","4","6","3","1") = "5"
    & skf21("5","2","3","6","4","6","4","1") = "5"
    & skf21("5","2","3","6","4","6","5","1") = "5"
    & skf21("5","2","3","6","4","6","6","1") = "5"
    & skf21("5","2","3","6","4","6","7","1") = "6"
    & skf21("5","2","3","6","4","7","1","1") = "6"
    & skf21("5","2","3","6","4","7","2","1") = "6"
    & skf21("5","2","3","6","4","7","3","1") = "6"
    & skf21("5","2","3","6","4","7","4","1") = "6"
    & skf21("5","2","3","6","4","7","5","1") = "6"
    & skf21("5","2","3","6","4","7","6","1") = "6"
    & skf21("5","2","3","6","4","7","7","1") = "6"
    & skf21("5","2","3","6","5","1","1","1") = "5"
    & skf21("5","2","3","6","5","1","2","1") = "5"
    & skf21("5","2","3","6","5","1","3","1") = "5"
    & skf21("5","2","3","6","5","1","4","1") = "5"
    & skf21("5","2","3","6","5","1","5","1") = "5"
    & skf21("5","2","3","6","5","1","6","1") = "5"
    & skf21("5","2","3","6","5","1","7","1") = "6"
    & skf21("5","2","3","6","5","2","1","1") = "5"
    & skf21("5","2","3","6","5","2","2","1") = "5"
    & skf21("5","2","3","6","5","2","3","1") = "5"
    & skf21("5","2","3","6","5","2","4","1") = "5"
    & skf21("5","2","3","6","5","2","5","1") = "5"
    & skf21("5","2","3","6","5","2","6","1") = "5"
    & skf21("5","2","3","6","5","2","7","1") = "6"
    & skf21("5","2","3","6","5","3","1","1") = "5"
    & skf21("5","2","3","6","5","3","2","1") = "5"
    & skf21("5","2","3","6","5","3","3","1") = "5"
    & skf21("5","2","3","6","5","3","4","1") = "5"
    & skf21("5","2","3","6","5","3","5","1") = "5"
    & skf21("5","2","3","6","5","3","6","1") = "5"
    & skf21("5","2","3","6","5","3","7","1") = "6"
    & skf21("5","2","3","6","5","4","1","1") = "5"
    & skf21("5","2","3","6","5","4","2","1") = "5"
    & skf21("5","2","3","6","5","4","3","1") = "5"
    & skf21("5","2","3","6","5","4","4","1") = "5"
    & skf21("5","2","3","6","5","4","5","1") = "5"
    & skf21("5","2","3","6","5","4","6","1") = "5"
    & skf21("5","2","3","6","5","4","7","1") = "6"
    & skf21("5","2","3","6","5","5","1","1") = "5"
    & skf21("5","2","3","6","5","5","2","1") = "5"
    & skf21("5","2","3","6","5","5","3","1") = "5"
    & skf21("5","2","3","6","5","5","4","1") = "5"
    & skf21("5","2","3","6","5","5","5","1") = "5"
    & skf21("5","2","3","6","5","5","6","1") = "5"
    & skf21("5","2","3","6","5","5","7","1") = "6"
    & skf21("5","2","3","6","5","6","1","1") = "5"
    & skf21("5","2","3","6","5","6","2","1") = "5"
    & skf21("5","2","3","6","5","6","3","1") = "5"
    & skf21("5","2","3","6","5","6","4","1") = "5"
    & skf21("5","2","3","6","5","6","5","1") = "5"
    & skf21("5","2","3","6","5","6","6","1") = "5"
    & skf21("5","2","3","6","5","6","7","1") = "6"
    & skf21("5","2","3","6","5","7","1","1") = "6"
    & skf21("5","2","3","6","5","7","2","1") = "6"
    & skf21("5","2","3","6","5","7","3","1") = "6"
    & skf21("5","2","3","6","5","7","4","1") = "6"
    & skf21("5","2","3","6","5","7","5","1") = "6"
    & skf21("5","2","3","6","5","7","6","1") = "6"
    & skf21("5","2","3","6","5","7","7","1") = "6"
    & skf21("5","2","3","6","6","1","1","1") = "5"
    & skf21("5","2","3","6","6","1","2","1") = "5"
    & skf21("5","2","3","6","6","1","3","1") = "5"
    & skf21("5","2","3","6","6","1","4","1") = "5"
    & skf21("5","2","3","6","6","1","5","1") = "5"
    & skf21("5","2","3","6","6","1","6","1") = "5"
    & skf21("5","2","3","6","6","1","7","1") = "6"
    & skf21("5","2","3","6","6","2","1","1") = "5"
    & skf21("5","2","3","6","6","2","2","1") = "5"
    & skf21("5","2","3","6","6","2","3","1") = "5"
    & skf21("5","2","3","6","6","2","4","1") = "5"
    & skf21("5","2","3","6","6","2","5","1") = "5"
    & skf21("5","2","3","6","6","2","6","1") = "5"
    & skf21("5","2","3","6","6","2","7","1") = "6"
    & skf21("5","2","3","6","6","3","1","1") = "5"
    & skf21("5","2","3","6","6","3","2","1") = "5"
    & skf21("5","2","3","6","6","3","3","1") = "5"
    & skf21("5","2","3","6","6","3","4","1") = "5"
    & skf21("5","2","3","6","6","3","5","1") = "5"
    & skf21("5","2","3","6","6","3","6","1") = "5"
    & skf21("5","2","3","6","6","3","7","1") = "6"
    & skf21("5","2","3","6","6","4","1","1") = "5"
    & skf21("5","2","3","6","6","4","2","1") = "5"
    & skf21("5","2","3","6","6","4","3","1") = "5"
    & skf21("5","2","3","6","6","4","4","1") = "5"
    & skf21("5","2","3","6","6","4","5","1") = "5"
    & skf21("5","2","3","6","6","4","6","1") = "5"
    & skf21("5","2","3","6","6","4","7","1") = "6"
    & skf21("5","2","3","6","6","5","1","1") = "5"
    & skf21("5","2","3","6","6","5","2","1") = "5"
    & skf21("5","2","3","6","6","5","3","1") = "5"
    & skf21("5","2","3","6","6","5","4","1") = "5"
    & skf21("5","2","3","6","6","5","5","1") = "5"
    & skf21("5","2","3","6","6","5","6","1") = "5"
    & skf21("5","2","3","6","6","5","7","1") = "6"
    & skf21("5","2","3","6","6","6","1","1") = "5"
    & skf21("5","2","3","6","6","6","2","1") = "5"
    & skf21("5","2","3","6","6","6","3","1") = "5"
    & skf21("5","2","3","6","6","6","4","1") = "5"
    & skf21("5","2","3","6","6","6","5","1") = "5"
    & skf21("5","2","3","6","6","6","6","1") = "5"
    & skf21("5","2","3","6","6","6","7","1") = "6"
    & skf21("5","2","3","6","6","7","1","1") = "6"
    & skf21("5","2","3","6","6","7","2","1") = "6"
    & skf21("5","2","3","6","6","7","3","1") = "6"
    & skf21("5","2","3","6","6","7","4","1") = "6"
    & skf21("5","2","3","6","6","7","5","1") = "6"
    & skf21("5","2","3","6","6","7","6","1") = "6"
    & skf21("5","2","3","6","6","7","7","1") = "6"
    & skf21("5","2","3","6","7","1","1","1") = "6"
    & skf21("5","2","3","6","7","1","2","1") = "6"
    & skf21("5","2","3","6","7","1","3","1") = "6"
    & skf21("5","2","3","6","7","1","4","1") = "6"
    & skf21("5","2","3","6","7","1","5","1") = "6"
    & skf21("5","2","3","6","7","1","6","1") = "6"
    & skf21("5","2","3","6","7","1","7","1") = "6"
    & skf21("5","2","3","6","7","2","1","1") = "6"
    & skf21("5","2","3","6","7","2","2","1") = "6"
    & skf21("5","2","3","6","7","2","3","1") = "6"
    & skf21("5","2","3","6","7","2","4","1") = "6"
    & skf21("5","2","3","6","7","2","5","1") = "6"
    & skf21("5","2","3","6","7","2","6","1") = "6"
    & skf21("5","2","3","6","7","2","7","1") = "6"
    & skf21("5","2","3","6","7","3","1","1") = "6"
    & skf21("5","2","3","6","7","3","2","1") = "6"
    & skf21("5","2","3","6","7","3","3","1") = "6"
    & skf21("5","2","3","6","7","3","4","1") = "6"
    & skf21("5","2","3","6","7","3","5","1") = "6"
    & skf21("5","2","3","6","7","3","6","1") = "6"
    & skf21("5","2","3","6","7","3","7","1") = "6"
    & skf21("5","2","3","6","7","4","1","1") = "6"
    & skf21("5","2","3","6","7","4","2","1") = "6"
    & skf21("5","2","3","6","7","4","3","1") = "6"
    & skf21("5","2","3","6","7","4","4","1") = "6"
    & skf21("5","2","3","6","7","4","5","1") = "6"
    & skf21("5","2","3","6","7","4","6","1") = "6"
    & skf21("5","2","3","6","7","4","7","1") = "6"
    & skf21("5","2","3","6","7","5","1","1") = "6"
    & skf21("5","2","3","6","7","5","2","1") = "6"
    & skf21("5","2","3","6","7","5","3","1") = "6"
    & skf21("5","2","3","6","7","5","4","1") = "6"
    & skf21("5","2","3","6","7","5","5","1") = "6"
    & skf21("5","2","3","6","7","5","6","1") = "6"
    & skf21("5","2","3","6","7","5","7","1") = "6"
    & skf21("5","2","3","6","7","6","1","1") = "6"
    & skf21("5","2","3","6","7","6","2","1") = "6"
    & skf21("5","2","3","6","7","6","3","1") = "6"
    & skf21("5","2","3","6","7","6","4","1") = "6"
    & skf21("5","2","3","6","7","6","5","1") = "6"
    & skf21("5","2","3","6","7","6","6","1") = "6"
    & skf21("5","2","3","6","7","6","7","1") = "6"
    & skf21("5","2","3","6","7","7","1","1") = "6"
    & skf21("5","2","3","6","7","7","2","1") = "6"
    & skf21("5","2","3","6","7","7","3","1") = "6"
    & skf21("5","2","3","6","7","7","4","1") = "6"
    & skf21("5","2","3","6","7","7","5","1") = "6"
    & skf21("5","2","3","6","7","7","6","1") = "6"
    & skf21("5","2","3","6","7","7","7","1") = "6"
    & skf21("5","2","3","7","1","1","1","1") = "6"
    & skf21("5","2","3","7","1","1","2","1") = "6"
    & skf21("5","2","3","7","1","1","3","1") = "6"
    & skf21("5","2","3","7","1","1","4","1") = "6"
    & skf21("5","2","3","7","1","1","5","1") = "6"
    & skf21("5","2","3","7","1","1","6","1") = "6"
    & skf21("5","2","3","7","1","1","7","1") = "6"
    & skf21("5","2","3","7","1","2","1","1") = "6"
    & skf21("5","2","3","7","1","2","2","1") = "6"
    & skf21("5","2","3","7","1","2","3","1") = "6"
    & skf21("5","2","3","7","1","2","4","1") = "6"
    & skf21("5","2","3","7","1","2","5","1") = "6"
    & skf21("5","2","3","7","1","2","6","1") = "6"
    & skf21("5","2","3","7","1","2","7","1") = "6"
    & skf21("5","2","3","7","1","3","1","1") = "6"
    & skf21("5","2","3","7","1","3","2","1") = "6"
    & skf21("5","2","3","7","1","3","3","1") = "6"
    & skf21("5","2","3","7","1","3","4","1") = "6"
    & skf21("5","2","3","7","1","3","5","1") = "6"
    & skf21("5","2","3","7","1","3","6","1") = "6"
    & skf21("5","2","3","7","1","3","7","1") = "6"
    & skf21("5","2","3","7","1","4","1","1") = "6"
    & skf21("5","2","3","7","1","4","2","1") = "6"
    & skf21("5","2","3","7","1","4","3","1") = "6"
    & skf21("5","2","3","7","1","4","4","1") = "6"
    & skf21("5","2","3","7","1","4","5","1") = "6"
    & skf21("5","2","3","7","1","4","6","1") = "6"
    & skf21("5","2","3","7","1","4","7","1") = "6"
    & skf21("5","2","3","7","1","5","1","1") = "6"
    & skf21("5","2","3","7","1","5","2","1") = "6"
    & skf21("5","2","3","7","1","5","3","1") = "6"
    & skf21("5","2","3","7","1","5","4","1") = "6"
    & skf21("5","2","3","7","1","5","5","1") = "6"
    & skf21("5","2","3","7","1","5","6","1") = "6"
    & skf21("5","2","3","7","1","5","7","1") = "6"
    & skf21("5","2","3","7","1","6","1","1") = "6"
    & skf21("5","2","3","7","1","6","2","1") = "6"
    & skf21("5","2","3","7","1","6","3","1") = "6"
    & skf21("5","2","3","7","1","6","4","1") = "6"
    & skf21("5","2","3","7","1","6","5","1") = "6"
    & skf21("5","2","3","7","1","6","6","1") = "6"
    & skf21("5","2","3","7","1","6","7","1") = "6"
    & skf21("5","2","3","7","1","7","1","1") = "6"
    & skf21("5","2","3","7","1","7","2","1") = "6"
    & skf21("5","2","3","7","1","7","3","1") = "6"
    & skf21("5","2","3","7","1","7","4","1") = "6"
    & skf21("5","2","3","7","1","7","5","1") = "6"
    & skf21("5","2","3","7","1","7","6","1") = "6"
    & skf21("5","2","3","7","1","7","7","1") = "6"
    & skf21("5","2","3","7","2","1","1","1") = "6"
    & skf21("5","2","3","7","2","1","2","1") = "6"
    & skf21("5","2","3","7","2","1","3","1") = "6"
    & skf21("5","2","3","7","2","1","4","1") = "6"
    & skf21("5","2","3","7","2","1","5","1") = "6"
    & skf21("5","2","3","7","2","1","6","1") = "6"
    & skf21("5","2","3","7","2","1","7","1") = "6"
    & skf21("5","2","3","7","2","2","1","1") = "6"
    & skf21("5","2","3","7","2","2","2","1") = "6"
    & skf21("5","2","3","7","2","2","3","1") = "6"
    & skf21("5","2","3","7","2","2","4","1") = "6"
    & skf21("5","2","3","7","2","2","5","1") = "6"
    & skf21("5","2","3","7","2","2","6","1") = "6"
    & skf21("5","2","3","7","2","2","7","1") = "6"
    & skf21("5","2","3","7","2","3","1","1") = "6"
    & skf21("5","2","3","7","2","3","2","1") = "6"
    & skf21("5","2","3","7","2","3","3","1") = "6"
    & skf21("5","2","3","7","2","3","4","1") = "6"
    & skf21("5","2","3","7","2","3","5","1") = "6"
    & skf21("5","2","3","7","2","3","6","1") = "6"
    & skf21("5","2","3","7","2","3","7","1") = "6"
    & skf21("5","2","3","7","2","4","1","1") = "6"
    & skf21("5","2","3","7","2","4","2","1") = "6"
    & skf21("5","2","3","7","2","4","3","1") = "6"
    & skf21("5","2","3","7","2","4","4","1") = "6"
    & skf21("5","2","3","7","2","4","5","1") = "6"
    & skf21("5","2","3","7","2","4","6","1") = "6"
    & skf21("5","2","3","7","2","4","7","1") = "6"
    & skf21("5","2","3","7","2","5","1","1") = "6"
    & skf21("5","2","3","7","2","5","2","1") = "6"
    & skf21("5","2","3","7","2","5","3","1") = "6"
    & skf21("5","2","3","7","2","5","4","1") = "6"
    & skf21("5","2","3","7","2","5","5","1") = "6"
    & skf21("5","2","3","7","2","5","6","1") = "6"
    & skf21("5","2","3","7","2","5","7","1") = "6"
    & skf21("5","2","3","7","2","6","1","1") = "6"
    & skf21("5","2","3","7","2","6","2","1") = "6"
    & skf21("5","2","3","7","2","6","3","1") = "6"
    & skf21("5","2","3","7","2","6","4","1") = "6"
    & skf21("5","2","3","7","2","6","5","1") = "6"
    & skf21("5","2","3","7","2","6","6","1") = "6"
    & skf21("5","2","3","7","2","6","7","1") = "6"
    & skf21("5","2","3","7","2","7","1","1") = "6"
    & skf21("5","2","3","7","2","7","2","1") = "6"
    & skf21("5","2","3","7","2","7","3","1") = "6"
    & skf21("5","2","3","7","2","7","4","1") = "6"
    & skf21("5","2","3","7","2","7","5","1") = "6"
    & skf21("5","2","3","7","2","7","6","1") = "6"
    & skf21("5","2","3","7","2","7","7","1") = "6"
    & skf21("5","2","3","7","3","1","1","1") = "6"
    & skf21("5","2","3","7","3","1","2","1") = "6"
    & skf21("5","2","3","7","3","1","3","1") = "6"
    & skf21("5","2","3","7","3","1","4","1") = "6"
    & skf21("5","2","3","7","3","1","5","1") = "6"
    & skf21("5","2","3","7","3","1","6","1") = "6"
    & skf21("5","2","3","7","3","1","7","1") = "6"
    & skf21("5","2","3","7","3","2","1","1") = "6"
    & skf21("5","2","3","7","3","2","2","1") = "6"
    & skf21("5","2","3","7","3","2","3","1") = "6"
    & skf21("5","2","3","7","3","2","4","1") = "6"
    & skf21("5","2","3","7","3","2","5","1") = "6"
    & skf21("5","2","3","7","3","2","6","1") = "6"
    & skf21("5","2","3","7","3","2","7","1") = "6"
    & skf21("5","2","3","7","3","3","1","1") = "6"
    & skf21("5","2","3","7","3","3","2","1") = "6"
    & skf21("5","2","3","7","3","3","3","1") = "6"
    & skf21("5","2","3","7","3","3","4","1") = "6"
    & skf21("5","2","3","7","3","3","5","1") = "6"
    & skf21("5","2","3","7","3","3","6","1") = "6"
    & skf21("5","2","3","7","3","3","7","1") = "6"
    & skf21("5","2","3","7","3","4","1","1") = "6"
    & skf21("5","2","3","7","3","4","2","1") = "6"
    & skf21("5","2","3","7","3","4","3","1") = "6"
    & skf21("5","2","3","7","3","4","4","1") = "6"
    & skf21("5","2","3","7","3","4","5","1") = "6"
    & skf21("5","2","3","7","3","4","6","1") = "6"
    & skf21("5","2","3","7","3","4","7","1") = "6"
    & skf21("5","2","3","7","3","5","1","1") = "6"
    & skf21("5","2","3","7","3","5","2","1") = "6"
    & skf21("5","2","3","7","3","5","3","1") = "6"
    & skf21("5","2","3","7","3","5","4","1") = "6"
    & skf21("5","2","3","7","3","5","5","1") = "6"
    & skf21("5","2","3","7","3","5","6","1") = "6"
    & skf21("5","2","3","7","3","5","7","1") = "6"
    & skf21("5","2","3","7","3","6","1","1") = "6"
    & skf21("5","2","3","7","3","6","2","1") = "6"
    & skf21("5","2","3","7","3","6","3","1") = "6"
    & skf21("5","2","3","7","3","6","4","1") = "6"
    & skf21("5","2","3","7","3","6","5","1") = "6"
    & skf21("5","2","3","7","3","6","6","1") = "6"
    & skf21("5","2","3","7","3","6","7","1") = "6"
    & skf21("5","2","3","7","3","7","1","1") = "6"
    & skf21("5","2","3","7","3","7","2","1") = "6"
    & skf21("5","2","3","7","3","7","3","1") = "6"
    & skf21("5","2","3","7","3","7","4","1") = "6"
    & skf21("5","2","3","7","3","7","5","1") = "6"
    & skf21("5","2","3","7","3","7","6","1") = "6"
    & skf21("5","2","3","7","3","7","7","1") = "6"
    & skf21("5","2","3","7","4","1","1","1") = "6"
    & skf21("5","2","3","7","4","1","2","1") = "6"
    & skf21("5","2","3","7","4","1","3","1") = "6"
    & skf21("5","2","3","7","4","1","4","1") = "6"
    & skf21("5","2","3","7","4","1","5","1") = "6"
    & skf21("5","2","3","7","4","1","6","1") = "6"
    & skf21("5","2","3","7","4","1","7","1") = "6"
    & skf21("5","2","3","7","4","2","1","1") = "6"
    & skf21("5","2","3","7","4","2","2","1") = "6"
    & skf21("5","2","3","7","4","2","3","1") = "6"
    & skf21("5","2","3","7","4","2","4","1") = "6"
    & skf21("5","2","3","7","4","2","5","1") = "6"
    & skf21("5","2","3","7","4","2","6","1") = "6"
    & skf21("5","2","3","7","4","2","7","1") = "6"
    & skf21("5","2","3","7","4","3","1","1") = "6"
    & skf21("5","2","3","7","4","3","2","1") = "6"
    & skf21("5","2","3","7","4","3","3","1") = "6"
    & skf21("5","2","3","7","4","3","4","1") = "6"
    & skf21("5","2","3","7","4","3","5","1") = "6"
    & skf21("5","2","3","7","4","3","6","1") = "6"
    & skf21("5","2","3","7","4","3","7","1") = "6"
    & skf21("5","2","3","7","4","4","1","1") = "6"
    & skf21("5","2","3","7","4","4","2","1") = "6"
    & skf21("5","2","3","7","4","4","3","1") = "6"
    & skf21("5","2","3","7","4","4","4","1") = "6"
    & skf21("5","2","3","7","4","4","5","1") = "6"
    & skf21("5","2","3","7","4","4","6","1") = "6"
    & skf21("5","2","3","7","4","4","7","1") = "6"
    & skf21("5","2","3","7","4","5","1","1") = "6"
    & skf21("5","2","3","7","4","5","2","1") = "6"
    & skf21("5","2","3","7","4","5","3","1") = "6"
    & skf21("5","2","3","7","4","5","4","1") = "6"
    & skf21("5","2","3","7","4","5","5","1") = "6"
    & skf21("5","2","3","7","4","5","6","1") = "6"
    & skf21("5","2","3","7","4","5","7","1") = "6"
    & skf21("5","2","3","7","4","6","1","1") = "6"
    & skf21("5","2","3","7","4","6","2","1") = "6"
    & skf21("5","2","3","7","4","6","3","1") = "6"
    & skf21("5","2","3","7","4","6","4","1") = "6"
    & skf21("5","2","3","7","4","6","5","1") = "6"
    & skf21("5","2","3","7","4","6","6","1") = "6"
    & skf21("5","2","3","7","4","6","7","1") = "6"
    & skf21("5","2","3","7","4","7","1","1") = "6"
    & skf21("5","2","3","7","4","7","2","1") = "6"
    & skf21("5","2","3","7","4","7","3","1") = "6"
    & skf21("5","2","3","7","4","7","4","1") = "6"
    & skf21("5","2","3","7","4","7","5","1") = "6"
    & skf21("5","2","3","7","4","7","6","1") = "6"
    & skf21("5","2","3","7","4","7","7","1") = "6"
    & skf21("5","2","3","7","5","1","1","1") = "6"
    & skf21("5","2","3","7","5","1","2","1") = "6"
    & skf21("5","2","3","7","5","1","3","1") = "6"
    & skf21("5","2","3","7","5","1","4","1") = "6"
    & skf21("5","2","3","7","5","1","5","1") = "6"
    & skf21("5","2","3","7","5","1","6","1") = "6"
    & skf21("5","2","3","7","5","1","7","1") = "6"
    & skf21("5","2","3","7","5","2","1","1") = "6"
    & skf21("5","2","3","7","5","2","2","1") = "6"
    & skf21("5","2","3","7","5","2","3","1") = "6"
    & skf21("5","2","3","7","5","2","4","1") = "6"
    & skf21("5","2","3","7","5","2","5","1") = "6"
    & skf21("5","2","3","7","5","2","6","1") = "6"
    & skf21("5","2","3","7","5","2","7","1") = "6"
    & skf21("5","2","3","7","5","3","1","1") = "6"
    & skf21("5","2","3","7","5","3","2","1") = "6"
    & skf21("5","2","3","7","5","3","3","1") = "6"
    & skf21("5","2","3","7","5","3","4","1") = "6"
    & skf21("5","2","3","7","5","3","5","1") = "6"
    & skf21("5","2","3","7","5","3","6","1") = "6"
    & skf21("5","2","3","7","5","3","7","1") = "6"
    & skf21("5","2","3","7","5","4","1","1") = "6"
    & skf21("5","2","3","7","5","4","2","1") = "6"
    & skf21("5","2","3","7","5","4","3","1") = "6"
    & skf21("5","2","3","7","5","4","4","1") = "6"
    & skf21("5","2","3","7","5","4","5","1") = "6"
    & skf21("5","2","3","7","5","4","6","1") = "6"
    & skf21("5","2","3","7","5","4","7","1") = "6"
    & skf21("5","2","3","7","5","5","1","1") = "6"
    & skf21("5","2","3","7","5","5","2","1") = "6"
    & skf21("5","2","3","7","5","5","3","1") = "6"
    & skf21("5","2","3","7","5","5","4","1") = "6"
    & skf21("5","2","3","7","5","5","5","1") = "6"
    & skf21("5","2","3","7","5","5","6","1") = "6"
    & skf21("5","2","3","7","5","5","7","1") = "6"
    & skf21("5","2","3","7","5","6","1","1") = "6"
    & skf21("5","2","3","7","5","6","2","1") = "6"
    & skf21("5","2","3","7","5","6","3","1") = "6"
    & skf21("5","2","3","7","5","6","4","1") = "6"
    & skf21("5","2","3","7","5","6","5","1") = "6"
    & skf21("5","2","3","7","5","6","6","1") = "6"
    & skf21("5","2","3","7","5","6","7","1") = "6"
    & skf21("5","2","3","7","5","7","1","1") = "6"
    & skf21("5","2","3","7","5","7","2","1") = "6"
    & skf21("5","2","3","7","5","7","3","1") = "6"
    & skf21("5","2","3","7","5","7","4","1") = "6"
    & skf21("5","2","3","7","5","7","5","1") = "6"
    & skf21("5","2","3","7","5","7","6","1") = "6"
    & skf21("5","2","3","7","5","7","7","1") = "6"
    & skf21("5","2","3","7","6","1","1","1") = "6"
    & skf21("5","2","3","7","6","1","2","1") = "6"
    & skf21("5","2","3","7","6","1","3","1") = "6"
    & skf21("5","2","3","7","6","1","4","1") = "6"
    & skf21("5","2","3","7","6","1","5","1") = "6"
    & skf21("5","2","3","7","6","1","6","1") = "6"
    & skf21("5","2","3","7","6","1","7","1") = "6"
    & skf21("5","2","3","7","6","2","1","1") = "6"
    & skf21("5","2","3","7","6","2","2","1") = "6"
    & skf21("5","2","3","7","6","2","3","1") = "6"
    & skf21("5","2","3","7","6","2","4","1") = "6"
    & skf21("5","2","3","7","6","2","5","1") = "6"
    & skf21("5","2","3","7","6","2","6","1") = "6"
    & skf21("5","2","3","7","6","2","7","1") = "6"
    & skf21("5","2","3","7","6","3","1","1") = "6"
    & skf21("5","2","3","7","6","3","2","1") = "6"
    & skf21("5","2","3","7","6","3","3","1") = "6"
    & skf21("5","2","3","7","6","3","4","1") = "6"
    & skf21("5","2","3","7","6","3","5","1") = "6"
    & skf21("5","2","3","7","6","3","6","1") = "6"
    & skf21("5","2","3","7","6","3","7","1") = "6"
    & skf21("5","2","3","7","6","4","1","1") = "6"
    & skf21("5","2","3","7","6","4","2","1") = "6"
    & skf21("5","2","3","7","6","4","3","1") = "6"
    & skf21("5","2","3","7","6","4","4","1") = "6"
    & skf21("5","2","3","7","6","4","5","1") = "6"
    & skf21("5","2","3","7","6","4","6","1") = "6"
    & skf21("5","2","3","7","6","4","7","1") = "6"
    & skf21("5","2","3","7","6","5","1","1") = "6"
    & skf21("5","2","3","7","6","5","2","1") = "6"
    & skf21("5","2","3","7","6","5","3","1") = "6"
    & skf21("5","2","3","7","6","5","4","1") = "6"
    & skf21("5","2","3","7","6","5","5","1") = "6"
    & skf21("5","2","3","7","6","5","6","1") = "6"
    & skf21("5","2","3","7","6","5","7","1") = "6"
    & skf21("5","2","3","7","6","6","1","1") = "6"
    & skf21("5","2","3","7","6","6","2","1") = "6"
    & skf21("5","2","3","7","6","6","3","1") = "6"
    & skf21("5","2","3","7","6","6","4","1") = "6"
    & skf21("5","2","3","7","6","6","5","1") = "6"
    & skf21("5","2","3","7","6","6","6","1") = "6"
    & skf21("5","2","3","7","6","6","7","1") = "6"
    & skf21("5","2","3","7","6","7","1","1") = "6"
    & skf21("5","2","3","7","6","7","2","1") = "6"
    & skf21("5","2","3","7","6","7","3","1") = "6"
    & skf21("5","2","3","7","6","7","4","1") = "6"
    & skf21("5","2","3","7","6","7","5","1") = "6"
    & skf21("5","2","3","7","6","7","6","1") = "6"
    & skf21("5","2","3","7","6","7","7","1") = "6"
    & skf21("5","2","3","7","7","1","1","1") = "6"
    & skf21("5","2","3","7","7","1","2","1") = "6"
    & skf21("5","2","3","7","7","1","3","1") = "6"
    & skf21("5","2","3","7","7","1","4","1") = "6"
    & skf21("5","2","3","7","7","1","5","1") = "6"
    & skf21("5","2","3","7","7","1","6","1") = "6"
    & skf21("5","2","3","7","7","1","7","1") = "6"
    & skf21("5","2","3","7","7","2","1","1") = "6"
    & skf21("5","2","3","7","7","2","2","1") = "6"
    & skf21("5","2","3","7","7","2","3","1") = "6"
    & skf21("5","2","3","7","7","2","4","1") = "6"
    & skf21("5","2","3","7","7","2","5","1") = "6"
    & skf21("5","2","3","7","7","2","6","1") = "6"
    & skf21("5","2","3","7","7","2","7","1") = "6"
    & skf21("5","2","3","7","7","3","1","1") = "6"
    & skf21("5","2","3","7","7","3","2","1") = "6"
    & skf21("5","2","3","7","7","3","3","1") = "6"
    & skf21("5","2","3","7","7","3","4","1") = "6"
    & skf21("5","2","3","7","7","3","5","1") = "6"
    & skf21("5","2","3","7","7","3","6","1") = "6"
    & skf21("5","2","3","7","7","3","7","1") = "6"
    & skf21("5","2","3","7","7","4","1","1") = "6"
    & skf21("5","2","3","7","7","4","2","1") = "6"
    & skf21("5","2","3","7","7","4","3","1") = "6"
    & skf21("5","2","3","7","7","4","4","1") = "6"
    & skf21("5","2","3","7","7","4","5","1") = "6"
    & skf21("5","2","3","7","7","4","6","1") = "6"
    & skf21("5","2","3","7","7","4","7","1") = "6"
    & skf21("5","2","3","7","7","5","1","1") = "6"
    & skf21("5","2","3","7","7","5","2","1") = "6"
    & skf21("5","2","3","7","7","5","3","1") = "6"
    & skf21("5","2","3","7","7","5","4","1") = "6"
    & skf21("5","2","3","7","7","5","5","1") = "6"
    & skf21("5","2","3","7","7","5","6","1") = "6"
    & skf21("5","2","3","7","7","5","7","1") = "6"
    & skf21("5","2","3","7","7","6","1","1") = "6"
    & skf21("5","2","3","7","7","6","2","1") = "6"
    & skf21("5","2","3","7","7","6","3","1") = "6"
    & skf21("5","2","3","7","7","6","4","1") = "6"
    & skf21("5","2","3","7","7","6","5","1") = "6"
    & skf21("5","2","3","7","7","6","6","1") = "6"
    & skf21("5","2","3","7","7","6","7","1") = "6"
    & skf21("5","2","3","7","7","7","1","1") = "6"
    & skf21("5","2","3","7","7","7","2","1") = "6"
    & skf21("5","2","3","7","7","7","3","1") = "6"
    & skf21("5","2","3","7","7","7","4","1") = "6"
    & skf21("5","2","3","7","7","7","5","1") = "6"
    & skf21("5","2","3","7","7","7","6","1") = "6"
    & skf21("5","2","3","7","7","7","7","1") = "6"
    & skf21("5","2","4","1","1","1","1","1") = "4"
    & skf21("5","2","4","1","1","1","2","1") = "4"
    & skf21("5","2","4","1","1","1","3","1") = "4"
    & skf21("5","2","4","1","1","1","4","1") = "4"
    & skf21("5","2","4","1","1","1","5","1") = "4"
    & skf21("5","2","4","1","1","1","6","1") = "5"
    & skf21("5","2","4","1","1","1","7","1") = "6"
    & skf21("5","2","4","1","1","2","1","1") = "4"
    & skf21("5","2","4","1","1","2","2","1") = "4"
    & skf21("5","2","4","1","1","2","3","1") = "4"
    & skf21("5","2","4","1","1","2","4","1") = "4"
    & skf21("5","2","4","1","1","2","5","1") = "4"
    & skf21("5","2","4","1","1","2","6","1") = "5"
    & skf21("5","2","4","1","1","2","7","1") = "6"
    & skf21("5","2","4","1","1","3","1","1") = "4"
    & skf21("5","2","4","1","1","3","2","1") = "4"
    & skf21("5","2","4","1","1","3","3","1") = "4"
    & skf21("5","2","4","1","1","3","4","1") = "4"
    & skf21("5","2","4","1","1","3","5","1") = "4"
    & skf21("5","2","4","1","1","3","6","1") = "5"
    & skf21("5","2","4","1","1","3","7","1") = "6"
    & skf21("5","2","4","1","1","4","1","1") = "4"
    & skf21("5","2","4","1","1","4","2","1") = "4"
    & skf21("5","2","4","1","1","4","3","1") = "4"
    & skf21("5","2","4","1","1","4","4","1") = "4"
    & skf21("5","2","4","1","1","4","5","1") = "4"
    & skf21("5","2","4","1","1","4","6","1") = "5"
    & skf21("5","2","4","1","1","4","7","1") = "6"
    & skf21("5","2","4","1","1","5","1","1") = "4"
    & skf21("5","2","4","1","1","5","2","1") = "4"
    & skf21("5","2","4","1","1","5","3","1") = "4"
    & skf21("5","2","4","1","1","5","4","1") = "4"
    & skf21("5","2","4","1","1","5","5","1") = "4"
    & skf21("5","2","4","1","1","5","6","1") = "5"
    & skf21("5","2","4","1","1","5","7","1") = "6"
    & skf21("5","2","4","1","1","6","1","1") = "5"
    & skf21("5","2","4","1","1","6","2","1") = "5"
    & skf21("5","2","4","1","1","6","3","1") = "5"
    & skf21("5","2","4","1","1","6","4","1") = "5"
    & skf21("5","2","4","1","1","6","5","1") = "5"
    & skf21("5","2","4","1","1","6","6","1") = "5"
    & skf21("5","2","4","1","1","6","7","1") = "6"
    & skf21("5","2","4","1","1","7","1","1") = "6"
    & skf21("5","2","4","1","1","7","2","1") = "6"
    & skf21("5","2","4","1","1","7","3","1") = "6"
    & skf21("5","2","4","1","1","7","4","1") = "6"
    & skf21("5","2","4","1","1","7","5","1") = "6"
    & skf21("5","2","4","1","1","7","6","1") = "6"
    & skf21("5","2","4","1","1","7","7","1") = "6"
    & skf21("5","2","4","1","2","1","1","1") = "4"
    & skf21("5","2","4","1","2","1","2","1") = "4"
    & skf21("5","2","4","1","2","1","3","1") = "4"
    & skf21("5","2","4","1","2","1","4","1") = "4"
    & skf21("5","2","4","1","2","1","5","1") = "4"
    & skf21("5","2","4","1","2","1","6","1") = "5"
    & skf21("5","2","4","1","2","1","7","1") = "6"
    & skf21("5","2","4","1","2","2","1","1") = "4"
    & skf21("5","2","4","1","2","2","2","1") = "4"
    & skf21("5","2","4","1","2","2","3","1") = "4"
    & skf21("5","2","4","1","2","2","4","1") = "4"
    & skf21("5","2","4","1","2","2","5","1") = "4"
    & skf21("5","2","4","1","2","2","6","1") = "5"
    & skf21("5","2","4","1","2","2","7","1") = "6"
    & skf21("5","2","4","1","2","3","1","1") = "4"
    & skf21("5","2","4","1","2","3","2","1") = "4"
    & skf21("5","2","4","1","2","3","3","1") = "4"
    & skf21("5","2","4","1","2","3","4","1") = "4"
    & skf21("5","2","4","1","2","3","5","1") = "4"
    & skf21("5","2","4","1","2","3","6","1") = "5"
    & skf21("5","2","4","1","2","3","7","1") = "6"
    & skf21("5","2","4","1","2","4","1","1") = "4"
    & skf21("5","2","4","1","2","4","2","1") = "4"
    & skf21("5","2","4","1","2","4","3","1") = "4"
    & skf21("5","2","4","1","2","4","4","1") = "4"
    & skf21("5","2","4","1","2","4","5","1") = "4"
    & skf21("5","2","4","1","2","4","6","1") = "5"
    & skf21("5","2","4","1","2","4","7","1") = "6"
    & skf21("5","2","4","1","2","5","1","1") = "4"
    & skf21("5","2","4","1","2","5","2","1") = "4"
    & skf21("5","2","4","1","2","5","3","1") = "4"
    & skf21("5","2","4","1","2","5","4","1") = "4"
    & skf21("5","2","4","1","2","5","5","1") = "4"
    & skf21("5","2","4","1","2","5","6","1") = "5"
    & skf21("5","2","4","1","2","5","7","1") = "6"
    & skf21("5","2","4","1","2","6","1","1") = "5"
    & skf21("5","2","4","1","2","6","2","1") = "5"
    & skf21("5","2","4","1","2","6","3","1") = "5"
    & skf21("5","2","4","1","2","6","4","1") = "5"
    & skf21("5","2","4","1","2","6","5","1") = "5"
    & skf21("5","2","4","1","2","6","6","1") = "5"
    & skf21("5","2","4","1","2","6","7","1") = "6"
    & skf21("5","2","4","1","2","7","1","1") = "6"
    & skf21("5","2","4","1","2","7","2","1") = "6"
    & skf21("5","2","4","1","2","7","3","1") = "6"
    & skf21("5","2","4","1","2","7","4","1") = "6"
    & skf21("5","2","4","1","2","7","5","1") = "6"
    & skf21("5","2","4","1","2","7","6","1") = "6"
    & skf21("5","2","4","1","2","7","7","1") = "6"
    & skf21("5","2","4","1","3","1","1","1") = "4"
    & skf21("5","2","4","1","3","1","2","1") = "4"
    & skf21("5","2","4","1","3","1","3","1") = "4"
    & skf21("5","2","4","1","3","1","4","1") = "4"
    & skf21("5","2","4","1","3","1","5","1") = "4"
    & skf21("5","2","4","1","3","1","6","1") = "5"
    & skf21("5","2","4","1","3","1","7","1") = "6"
    & skf21("5","2","4","1","3","2","1","1") = "4"
    & skf21("5","2","4","1","3","2","2","1") = "4"
    & skf21("5","2","4","1","3","2","3","1") = "4"
    & skf21("5","2","4","1","3","2","4","1") = "4"
    & skf21("5","2","4","1","3","2","5","1") = "4"
    & skf21("5","2","4","1","3","2","6","1") = "5"
    & skf21("5","2","4","1","3","2","7","1") = "6"
    & skf21("5","2","4","1","3","3","1","1") = "4"
    & skf21("5","2","4","1","3","3","2","1") = "4"
    & skf21("5","2","4","1","3","3","3","1") = "4"
    & skf21("5","2","4","1","3","3","4","1") = "4"
    & skf21("5","2","4","1","3","3","5","1") = "4"
    & skf21("5","2","4","1","3","3","6","1") = "5"
    & skf21("5","2","4","1","3","3","7","1") = "6"
    & skf21("5","2","4","1","3","4","1","1") = "4"
    & skf21("5","2","4","1","3","4","2","1") = "4"
    & skf21("5","2","4","1","3","4","3","1") = "4"
    & skf21("5","2","4","1","3","4","4","1") = "4"
    & skf21("5","2","4","1","3","4","5","1") = "4"
    & skf21("5","2","4","1","3","4","6","1") = "5"
    & skf21("5","2","4","1","3","4","7","1") = "6"
    & skf21("5","2","4","1","3","5","1","1") = "4"
    & skf21("5","2","4","1","3","5","2","1") = "4"
    & skf21("5","2","4","1","3","5","3","1") = "4"
    & skf21("5","2","4","1","3","5","4","1") = "4"
    & skf21("5","2","4","1","3","5","5","1") = "4"
    & skf21("5","2","4","1","3","5","6","1") = "5"
    & skf21("5","2","4","1","3","5","7","1") = "6"
    & skf21("5","2","4","1","3","6","1","1") = "5"
    & skf21("5","2","4","1","3","6","2","1") = "5"
    & skf21("5","2","4","1","3","6","3","1") = "5"
    & skf21("5","2","4","1","3","6","4","1") = "5"
    & skf21("5","2","4","1","3","6","5","1") = "5"
    & skf21("5","2","4","1","3","6","6","1") = "5"
    & skf21("5","2","4","1","3","6","7","1") = "6"
    & skf21("5","2","4","1","3","7","1","1") = "6"
    & skf21("5","2","4","1","3","7","2","1") = "6"
    & skf21("5","2","4","1","3","7","3","1") = "6"
    & skf21("5","2","4","1","3","7","4","1") = "6"
    & skf21("5","2","4","1","3","7","5","1") = "6"
    & skf21("5","2","4","1","3","7","6","1") = "6"
    & skf21("5","2","4","1","3","7","7","1") = "6"
    & skf21("5","2","4","1","4","1","1","1") = "4"
    & skf21("5","2","4","1","4","1","2","1") = "4"
    & skf21("5","2","4","1","4","1","3","1") = "4"
    & skf21("5","2","4","1","4","1","4","1") = "4"
    & skf21("5","2","4","1","4","1","5","1") = "4"
    & skf21("5","2","4","1","4","1","6","1") = "5"
    & skf21("5","2","4","1","4","1","7","1") = "6"
    & skf21("5","2","4","1","4","2","1","1") = "4"
    & skf21("5","2","4","1","4","2","2","1") = "4"
    & skf21("5","2","4","1","4","2","3","1") = "4"
    & skf21("5","2","4","1","4","2","4","1") = "4"
    & skf21("5","2","4","1","4","2","5","1") = "4"
    & skf21("5","2","4","1","4","2","6","1") = "5"
    & skf21("5","2","4","1","4","2","7","1") = "6"
    & skf21("5","2","4","1","4","3","1","1") = "4"
    & skf21("5","2","4","1","4","3","2","1") = "4"
    & skf21("5","2","4","1","4","3","3","1") = "4"
    & skf21("5","2","4","1","4","3","4","1") = "4"
    & skf21("5","2","4","1","4","3","5","1") = "4"
    & skf21("5","2","4","1","4","3","6","1") = "5"
    & skf21("5","2","4","1","4","3","7","1") = "6"
    & skf21("5","2","4","1","4","4","1","1") = "4"
    & skf21("5","2","4","1","4","4","2","1") = "4"
    & skf21("5","2","4","1","4","4","3","1") = "4"
    & skf21("5","2","4","1","4","4","4","1") = "4"
    & skf21("5","2","4","1","4","4","5","1") = "4"
    & skf21("5","2","4","1","4","4","6","1") = "5"
    & skf21("5","2","4","1","4","4","7","1") = "6"
    & skf21("5","2","4","1","4","5","1","1") = "4"
    & skf21("5","2","4","1","4","5","2","1") = "4"
    & skf21("5","2","4","1","4","5","3","1") = "4"
    & skf21("5","2","4","1","4","5","4","1") = "4"
    & skf21("5","2","4","1","4","5","5","1") = "4"
    & skf21("5","2","4","1","4","5","6","1") = "5"
    & skf21("5","2","4","1","4","5","7","1") = "6"
    & skf21("5","2","4","1","4","6","1","1") = "5"
    & skf21("5","2","4","1","4","6","2","1") = "5"
    & skf21("5","2","4","1","4","6","3","1") = "5"
    & skf21("5","2","4","1","4","6","4","1") = "5"
    & skf21("5","2","4","1","4","6","5","1") = "5"
    & skf21("5","2","4","1","4","6","6","1") = "5"
    & skf21("5","2","4","1","4","6","7","1") = "6"
    & skf21("5","2","4","1","4","7","1","1") = "6"
    & skf21("5","2","4","1","4","7","2","1") = "6"
    & skf21("5","2","4","1","4","7","3","1") = "6"
    & skf21("5","2","4","1","4","7","4","1") = "6"
    & skf21("5","2","4","1","4","7","5","1") = "6"
    & skf21("5","2","4","1","4","7","6","1") = "6"
    & skf21("5","2","4","1","4","7","7","1") = "6"
    & skf21("5","2","4","1","5","1","1","1") = "4"
    & skf21("5","2","4","1","5","1","2","1") = "4"
    & skf21("5","2","4","1","5","1","3","1") = "4"
    & skf21("5","2","4","1","5","1","4","1") = "4"
    & skf21("5","2","4","1","5","1","5","1") = "4"
    & skf21("5","2","4","1","5","1","6","1") = "5"
    & skf21("5","2","4","1","5","1","7","1") = "6"
    & skf21("5","2","4","1","5","2","1","1") = "4"
    & skf21("5","2","4","1","5","2","2","1") = "4"
    & skf21("5","2","4","1","5","2","3","1") = "4"
    & skf21("5","2","4","1","5","2","4","1") = "4"
    & skf21("5","2","4","1","5","2","5","1") = "4"
    & skf21("5","2","4","1","5","2","6","1") = "5"
    & skf21("5","2","4","1","5","2","7","1") = "6"
    & skf21("5","2","4","1","5","3","1","1") = "4"
    & skf21("5","2","4","1","5","3","2","1") = "4"
    & skf21("5","2","4","1","5","3","3","1") = "4"
    & skf21("5","2","4","1","5","3","4","1") = "4"
    & skf21("5","2","4","1","5","3","5","1") = "4"
    & skf21("5","2","4","1","5","3","6","1") = "5"
    & skf21("5","2","4","1","5","3","7","1") = "6"
    & skf21("5","2","4","1","5","4","1","1") = "4"
    & skf21("5","2","4","1","5","4","2","1") = "4"
    & skf21("5","2","4","1","5","4","3","1") = "4"
    & skf21("5","2","4","1","5","4","4","1") = "4"
    & skf21("5","2","4","1","5","4","5","1") = "4"
    & skf21("5","2","4","1","5","4","6","1") = "5"
    & skf21("5","2","4","1","5","4","7","1") = "6"
    & skf21("5","2","4","1","5","5","1","1") = "4"
    & skf21("5","2","4","1","5","5","2","1") = "4"
    & skf21("5","2","4","1","5","5","3","1") = "4"
    & skf21("5","2","4","1","5","5","4","1") = "4"
    & skf21("5","2","4","1","5","5","5","1") = "4"
    & skf21("5","2","4","1","5","5","6","1") = "5"
    & skf21("5","2","4","1","5","5","7","1") = "6"
    & skf21("5","2","4","1","5","6","1","1") = "5"
    & skf21("5","2","4","1","5","6","2","1") = "5"
    & skf21("5","2","4","1","5","6","3","1") = "5"
    & skf21("5","2","4","1","5","6","4","1") = "5"
    & skf21("5","2","4","1","5","6","5","1") = "5"
    & skf21("5","2","4","1","5","6","6","1") = "5"
    & skf21("5","2","4","1","5","6","7","1") = "6"
    & skf21("5","2","4","1","5","7","1","1") = "6"
    & skf21("5","2","4","1","5","7","2","1") = "6"
    & skf21("5","2","4","1","5","7","3","1") = "6"
    & skf21("5","2","4","1","5","7","4","1") = "6"
    & skf21("5","2","4","1","5","7","5","1") = "6"
    & skf21("5","2","4","1","5","7","6","1") = "6"
    & skf21("5","2","4","1","5","7","7","1") = "6"
    & skf21("5","2","4","1","6","1","1","1") = "5"
    & skf21("5","2","4","1","6","1","2","1") = "5"
    & skf21("5","2","4","1","6","1","3","1") = "5"
    & skf21("5","2","4","1","6","1","4","1") = "5"
    & skf21("5","2","4","1","6","1","5","1") = "5"
    & skf21("5","2","4","1","6","1","6","1") = "5"
    & skf21("5","2","4","1","6","1","7","1") = "6"
    & skf21("5","2","4","1","6","2","1","1") = "5"
    & skf21("5","2","4","1","6","2","2","1") = "5"
    & skf21("5","2","4","1","6","2","3","1") = "5"
    & skf21("5","2","4","1","6","2","4","1") = "5"
    & skf21("5","2","4","1","6","2","5","1") = "5"
    & skf21("5","2","4","1","6","2","6","1") = "5"
    & skf21("5","2","4","1","6","2","7","1") = "6"
    & skf21("5","2","4","1","6","3","1","1") = "5"
    & skf21("5","2","4","1","6","3","2","1") = "5"
    & skf21("5","2","4","1","6","3","3","1") = "5"
    & skf21("5","2","4","1","6","3","4","1") = "5"
    & skf21("5","2","4","1","6","3","5","1") = "5"
    & skf21("5","2","4","1","6","3","6","1") = "5"
    & skf21("5","2","4","1","6","3","7","1") = "6"
    & skf21("5","2","4","1","6","4","1","1") = "5"
    & skf21("5","2","4","1","6","4","2","1") = "5"
    & skf21("5","2","4","1","6","4","3","1") = "5"
    & skf21("5","2","4","1","6","4","4","1") = "5"
    & skf21("5","2","4","1","6","4","5","1") = "5"
    & skf21("5","2","4","1","6","4","6","1") = "5"
    & skf21("5","2","4","1","6","4","7","1") = "6"
    & skf21("5","2","4","1","6","5","1","1") = "5"
    & skf21("5","2","4","1","6","5","2","1") = "5"
    & skf21("5","2","4","1","6","5","3","1") = "5"
    & skf21("5","2","4","1","6","5","4","1") = "5"
    & skf21("5","2","4","1","6","5","5","1") = "5"
    & skf21("5","2","4","1","6","5","6","1") = "5"
    & skf21("5","2","4","1","6","5","7","1") = "6"
    & skf21("5","2","4","1","6","6","1","1") = "5"
    & skf21("5","2","4","1","6","6","2","1") = "5"
    & skf21("5","2","4","1","6","6","3","1") = "5"
    & skf21("5","2","4","1","6","6","4","1") = "5"
    & skf21("5","2","4","1","6","6","5","1") = "5"
    & skf21("5","2","4","1","6","6","6","1") = "5"
    & skf21("5","2","4","1","6","6","7","1") = "6"
    & skf21("5","2","4","1","6","7","1","1") = "6"
    & skf21("5","2","4","1","6","7","2","1") = "6"
    & skf21("5","2","4","1","6","7","3","1") = "6"
    & skf21("5","2","4","1","6","7","4","1") = "6"
    & skf21("5","2","4","1","6","7","5","1") = "6"
    & skf21("5","2","4","1","6","7","6","1") = "6"
    & skf21("5","2","4","1","6","7","7","1") = "6"
    & skf21("5","2","4","1","7","1","1","1") = "6"
    & skf21("5","2","4","1","7","1","2","1") = "6"
    & skf21("5","2","4","1","7","1","3","1") = "6"
    & skf21("5","2","4","1","7","1","4","1") = "6"
    & skf21("5","2","4","1","7","1","5","1") = "6"
    & skf21("5","2","4","1","7","1","6","1") = "6"
    & skf21("5","2","4","1","7","1","7","1") = "6"
    & skf21("5","2","4","1","7","2","1","1") = "6"
    & skf21("5","2","4","1","7","2","2","1") = "6"
    & skf21("5","2","4","1","7","2","3","1") = "6"
    & skf21("5","2","4","1","7","2","4","1") = "6"
    & skf21("5","2","4","1","7","2","5","1") = "6"
    & skf21("5","2","4","1","7","2","6","1") = "6"
    & skf21("5","2","4","1","7","2","7","1") = "6"
    & skf21("5","2","4","1","7","3","1","1") = "6"
    & skf21("5","2","4","1","7","3","2","1") = "6"
    & skf21("5","2","4","1","7","3","3","1") = "6"
    & skf21("5","2","4","1","7","3","4","1") = "6"
    & skf21("5","2","4","1","7","3","5","1") = "6"
    & skf21("5","2","4","1","7","3","6","1") = "6"
    & skf21("5","2","4","1","7","3","7","1") = "6"
    & skf21("5","2","4","1","7","4","1","1") = "6"
    & skf21("5","2","4","1","7","4","2","1") = "6"
    & skf21("5","2","4","1","7","4","3","1") = "6"
    & skf21("5","2","4","1","7","4","4","1") = "6"
    & skf21("5","2","4","1","7","4","5","1") = "6"
    & skf21("5","2","4","1","7","4","6","1") = "6"
    & skf21("5","2","4","1","7","4","7","1") = "6"
    & skf21("5","2","4","1","7","5","1","1") = "6"
    & skf21("5","2","4","1","7","5","2","1") = "6"
    & skf21("5","2","4","1","7","5","3","1") = "6"
    & skf21("5","2","4","1","7","5","4","1") = "6"
    & skf21("5","2","4","1","7","5","5","1") = "6"
    & skf21("5","2","4","1","7","5","6","1") = "6"
    & skf21("5","2","4","1","7","5","7","1") = "6"
    & skf21("5","2","4","1","7","6","1","1") = "6"
    & skf21("5","2","4","1","7","6","2","1") = "6"
    & skf21("5","2","4","1","7","6","3","1") = "6"
    & skf21("5","2","4","1","7","6","4","1") = "6"
    & skf21("5","2","4","1","7","6","5","1") = "6"
    & skf21("5","2","4","1","7","6","6","1") = "6"
    & skf21("5","2","4","1","7","6","7","1") = "6"
    & skf21("5","2","4","1","7","7","1","1") = "6"
    & skf21("5","2","4","1","7","7","2","1") = "6"
    & skf21("5","2","4","1","7","7","3","1") = "6"
    & skf21("5","2","4","1","7","7","4","1") = "6"
    & skf21("5","2","4","1","7","7","5","1") = "6"
    & skf21("5","2","4","1","7","7","6","1") = "6"
    & skf21("5","2","4","1","7","7","7","1") = "6"
    & skf21("5","2","4","2","1","1","1","1") = "4"
    & skf21("5","2","4","2","1","1","2","1") = "4"
    & skf21("5","2","4","2","1","1","3","1") = "4"
    & skf21("5","2","4","2","1","1","4","1") = "4"
    & skf21("5","2","4","2","1","1","5","1") = "4"
    & skf21("5","2","4","2","1","1","6","1") = "5"
    & skf21("5","2","4","2","1","1","7","1") = "6"
    & skf21("5","2","4","2","1","2","1","1") = "4"
    & skf21("5","2","4","2","1","2","2","1") = "4"
    & skf21("5","2","4","2","1","2","3","1") = "4"
    & skf21("5","2","4","2","1","2","4","1") = "4"
    & skf21("5","2","4","2","1","2","5","1") = "4"
    & skf21("5","2","4","2","1","2","6","1") = "5"
    & skf21("5","2","4","2","1","2","7","1") = "6"
    & skf21("5","2","4","2","1","3","1","1") = "4"
    & skf21("5","2","4","2","1","3","2","1") = "4"
    & skf21("5","2","4","2","1","3","3","1") = "4"
    & skf21("5","2","4","2","1","3","4","1") = "4"
    & skf21("5","2","4","2","1","3","5","1") = "4"
    & skf21("5","2","4","2","1","3","6","1") = "5"
    & skf21("5","2","4","2","1","3","7","1") = "6"
    & skf21("5","2","4","2","1","4","1","1") = "4"
    & skf21("5","2","4","2","1","4","2","1") = "4"
    & skf21("5","2","4","2","1","4","3","1") = "4"
    & skf21("5","2","4","2","1","4","4","1") = "4"
    & skf21("5","2","4","2","1","4","5","1") = "4"
    & skf21("5","2","4","2","1","4","6","1") = "5"
    & skf21("5","2","4","2","1","4","7","1") = "6"
    & skf21("5","2","4","2","1","5","1","1") = "4"
    & skf21("5","2","4","2","1","5","2","1") = "4"
    & skf21("5","2","4","2","1","5","3","1") = "4"
    & skf21("5","2","4","2","1","5","4","1") = "4"
    & skf21("5","2","4","2","1","5","5","1") = "4"
    & skf21("5","2","4","2","1","5","6","1") = "5"
    & skf21("5","2","4","2","1","5","7","1") = "6"
    & skf21("5","2","4","2","1","6","1","1") = "5"
    & skf21("5","2","4","2","1","6","2","1") = "5"
    & skf21("5","2","4","2","1","6","3","1") = "5"
    & skf21("5","2","4","2","1","6","4","1") = "5"
    & skf21("5","2","4","2","1","6","5","1") = "5"
    & skf21("5","2","4","2","1","6","6","1") = "5"
    & skf21("5","2","4","2","1","6","7","1") = "6"
    & skf21("5","2","4","2","1","7","1","1") = "6"
    & skf21("5","2","4","2","1","7","2","1") = "6"
    & skf21("5","2","4","2","1","7","3","1") = "6"
    & skf21("5","2","4","2","1","7","4","1") = "6"
    & skf21("5","2","4","2","1","7","5","1") = "6"
    & skf21("5","2","4","2","1","7","6","1") = "6"
    & skf21("5","2","4","2","1","7","7","1") = "6"
    & skf21("5","2","4","2","2","1","1","1") = "4"
    & skf21("5","2","4","2","2","1","2","1") = "4"
    & skf21("5","2","4","2","2","1","3","1") = "4"
    & skf21("5","2","4","2","2","1","4","1") = "4"
    & skf21("5","2","4","2","2","1","5","1") = "4"
    & skf21("5","2","4","2","2","1","6","1") = "5"
    & skf21("5","2","4","2","2","1","7","1") = "6"
    & skf21("5","2","4","2","2","2","1","1") = "4"
    & skf21("5","2","4","2","2","2","2","1") = "4"
    & skf21("5","2","4","2","2","2","3","1") = "4"
    & skf21("5","2","4","2","2","2","4","1") = "4"
    & skf21("5","2","4","2","2","2","5","1") = "4"
    & skf21("5","2","4","2","2","2","6","1") = "5"
    & skf21("5","2","4","2","2","2","7","1") = "6"
    & skf21("5","2","4","2","2","3","1","1") = "4"
    & skf21("5","2","4","2","2","3","2","1") = "4"
    & skf21("5","2","4","2","2","3","3","1") = "4"
    & skf21("5","2","4","2","2","3","4","1") = "4"
    & skf21("5","2","4","2","2","3","5","1") = "4"
    & skf21("5","2","4","2","2","3","6","1") = "5"
    & skf21("5","2","4","2","2","3","7","1") = "6"
    & skf21("5","2","4","2","2","4","1","1") = "4"
    & skf21("5","2","4","2","2","4","2","1") = "4"
    & skf21("5","2","4","2","2","4","3","1") = "4"
    & skf21("5","2","4","2","2","4","4","1") = "4"
    & skf21("5","2","4","2","2","4","5","1") = "4"
    & skf21("5","2","4","2","2","4","6","1") = "5"
    & skf21("5","2","4","2","2","4","7","1") = "6"
    & skf21("5","2","4","2","2","5","1","1") = "4"
    & skf21("5","2","4","2","2","5","2","1") = "4"
    & skf21("5","2","4","2","2","5","3","1") = "4"
    & skf21("5","2","4","2","2","5","4","1") = "4"
    & skf21("5","2","4","2","2","5","5","1") = "4"
    & skf21("5","2","4","2","2","5","6","1") = "5"
    & skf21("5","2","4","2","2","5","7","1") = "6"
    & skf21("5","2","4","2","2","6","1","1") = "5"
    & skf21("5","2","4","2","2","6","2","1") = "5"
    & skf21("5","2","4","2","2","6","3","1") = "5"
    & skf21("5","2","4","2","2","6","4","1") = "5"
    & skf21("5","2","4","2","2","6","5","1") = "5"
    & skf21("5","2","4","2","2","6","6","1") = "5"
    & skf21("5","2","4","2","2","6","7","1") = "6"
    & skf21("5","2","4","2","2","7","1","1") = "6"
    & skf21("5","2","4","2","2","7","2","1") = "6"
    & skf21("5","2","4","2","2","7","3","1") = "6"
    & skf21("5","2","4","2","2","7","4","1") = "6"
    & skf21("5","2","4","2","2","7","5","1") = "6"
    & skf21("5","2","4","2","2","7","6","1") = "6"
    & skf21("5","2","4","2","2","7","7","1") = "6"
    & skf21("5","2","4","2","3","1","1","1") = "4"
    & skf21("5","2","4","2","3","1","2","1") = "4"
    & skf21("5","2","4","2","3","1","3","1") = "4"
    & skf21("5","2","4","2","3","1","4","1") = "4"
    & skf21("5","2","4","2","3","1","5","1") = "4"
    & skf21("5","2","4","2","3","1","6","1") = "5"
    & skf21("5","2","4","2","3","1","7","1") = "6"
    & skf21("5","2","4","2","3","2","1","1") = "4"
    & skf21("5","2","4","2","3","2","2","1") = "4"
    & skf21("5","2","4","2","3","2","3","1") = "4"
    & skf21("5","2","4","2","3","2","4","1") = "4"
    & skf21("5","2","4","2","3","2","5","1") = "4"
    & skf21("5","2","4","2","3","2","6","1") = "5"
    & skf21("5","2","4","2","3","2","7","1") = "6"
    & skf21("5","2","4","2","3","3","1","1") = "4"
    & skf21("5","2","4","2","3","3","2","1") = "4"
    & skf21("5","2","4","2","3","3","3","1") = "4"
    & skf21("5","2","4","2","3","3","4","1") = "4"
    & skf21("5","2","4","2","3","3","5","1") = "4"
    & skf21("5","2","4","2","3","3","6","1") = "5"
    & skf21("5","2","4","2","3","3","7","1") = "6"
    & skf21("5","2","4","2","3","4","1","1") = "4"
    & skf21("5","2","4","2","3","4","2","1") = "4"
    & skf21("5","2","4","2","3","4","3","1") = "4"
    & skf21("5","2","4","2","3","4","4","1") = "4"
    & skf21("5","2","4","2","3","4","5","1") = "4"
    & skf21("5","2","4","2","3","4","6","1") = "5"
    & skf21("5","2","4","2","3","4","7","1") = "6"
    & skf21("5","2","4","2","3","5","1","1") = "4"
    & skf21("5","2","4","2","3","5","2","1") = "4"
    & skf21("5","2","4","2","3","5","3","1") = "4"
    & skf21("5","2","4","2","3","5","4","1") = "4"
    & skf21("5","2","4","2","3","5","5","1") = "4"
    & skf21("5","2","4","2","3","5","6","1") = "5"
    & skf21("5","2","4","2","3","5","7","1") = "6"
    & skf21("5","2","4","2","3","6","1","1") = "5"
    & skf21("5","2","4","2","3","6","2","1") = "5"
    & skf21("5","2","4","2","3","6","3","1") = "5"
    & skf21("5","2","4","2","3","6","4","1") = "5"
    & skf21("5","2","4","2","3","6","5","1") = "5"
    & skf21("5","2","4","2","3","6","6","1") = "5"
    & skf21("5","2","4","2","3","6","7","1") = "6"
    & skf21("5","2","4","2","3","7","1","1") = "6"
    & skf21("5","2","4","2","3","7","2","1") = "6"
    & skf21("5","2","4","2","3","7","3","1") = "6"
    & skf21("5","2","4","2","3","7","4","1") = "6"
    & skf21("5","2","4","2","3","7","5","1") = "6"
    & skf21("5","2","4","2","3","7","6","1") = "6"
    & skf21("5","2","4","2","3","7","7","1") = "6"
    & skf21("5","2","4","2","4","1","1","1") = "4"
    & skf21("5","2","4","2","4","1","2","1") = "4"
    & skf21("5","2","4","2","4","1","3","1") = "4"
    & skf21("5","2","4","2","4","1","4","1") = "4"
    & skf21("5","2","4","2","4","1","5","1") = "4"
    & skf21("5","2","4","2","4","1","6","1") = "5"
    & skf21("5","2","4","2","4","1","7","1") = "6"
    & skf21("5","2","4","2","4","2","1","1") = "4"
    & skf21("5","2","4","2","4","2","2","1") = "4"
    & skf21("5","2","4","2","4","2","3","1") = "4"
    & skf21("5","2","4","2","4","2","4","1") = "4"
    & skf21("5","2","4","2","4","2","5","1") = "4"
    & skf21("5","2","4","2","4","2","6","1") = "5"
    & skf21("5","2","4","2","4","2","7","1") = "6"
    & skf21("5","2","4","2","4","3","1","1") = "4"
    & skf21("5","2","4","2","4","3","2","1") = "4"
    & skf21("5","2","4","2","4","3","3","1") = "4"
    & skf21("5","2","4","2","4","3","4","1") = "4"
    & skf21("5","2","4","2","4","3","5","1") = "4"
    & skf21("5","2","4","2","4","3","6","1") = "5"
    & skf21("5","2","4","2","4","3","7","1") = "6"
    & skf21("5","2","4","2","4","4","1","1") = "4"
    & skf21("5","2","4","2","4","4","2","1") = "4"
    & skf21("5","2","4","2","4","4","3","1") = "4"
    & skf21("5","2","4","2","4","4","4","1") = "4"
    & skf21("5","2","4","2","4","4","5","1") = "4"
    & skf21("5","2","4","2","4","4","6","1") = "5"
    & skf21("5","2","4","2","4","4","7","1") = "6"
    & skf21("5","2","4","2","4","5","1","1") = "4"
    & skf21("5","2","4","2","4","5","2","1") = "4"
    & skf21("5","2","4","2","4","5","3","1") = "4"
    & skf21("5","2","4","2","4","5","4","1") = "4"
    & skf21("5","2","4","2","4","5","5","1") = "4"
    & skf21("5","2","4","2","4","5","6","1") = "5"
    & skf21("5","2","4","2","4","5","7","1") = "6"
    & skf21("5","2","4","2","4","6","1","1") = "5"
    & skf21("5","2","4","2","4","6","2","1") = "5"
    & skf21("5","2","4","2","4","6","3","1") = "5"
    & skf21("5","2","4","2","4","6","4","1") = "5"
    & skf21("5","2","4","2","4","6","5","1") = "5"
    & skf21("5","2","4","2","4","6","6","1") = "5"
    & skf21("5","2","4","2","4","6","7","1") = "6"
    & skf21("5","2","4","2","4","7","1","1") = "6"
    & skf21("5","2","4","2","4","7","2","1") = "6"
    & skf21("5","2","4","2","4","7","3","1") = "6"
    & skf21("5","2","4","2","4","7","4","1") = "6"
    & skf21("5","2","4","2","4","7","5","1") = "6"
    & skf21("5","2","4","2","4","7","6","1") = "6"
    & skf21("5","2","4","2","4","7","7","1") = "6"
    & skf21("5","2","4","2","5","1","1","1") = "4"
    & skf21("5","2","4","2","5","1","2","1") = "4"
    & skf21("5","2","4","2","5","1","3","1") = "4"
    & skf21("5","2","4","2","5","1","4","1") = "4"
    & skf21("5","2","4","2","5","1","5","1") = "4"
    & skf21("5","2","4","2","5","1","6","1") = "5"
    & skf21("5","2","4","2","5","1","7","1") = "6"
    & skf21("5","2","4","2","5","2","1","1") = "4"
    & skf21("5","2","4","2","5","2","2","1") = "4"
    & skf21("5","2","4","2","5","2","3","1") = "4"
    & skf21("5","2","4","2","5","2","4","1") = "4"
    & skf21("5","2","4","2","5","2","5","1") = "4"
    & skf21("5","2","4","2","5","2","6","1") = "5"
    & skf21("5","2","4","2","5","2","7","1") = "6"
    & skf21("5","2","4","2","5","3","1","1") = "4"
    & skf21("5","2","4","2","5","3","2","1") = "4"
    & skf21("5","2","4","2","5","3","3","1") = "4"
    & skf21("5","2","4","2","5","3","4","1") = "4"
    & skf21("5","2","4","2","5","3","5","1") = "4"
    & skf21("5","2","4","2","5","3","6","1") = "5"
    & skf21("5","2","4","2","5","3","7","1") = "6"
    & skf21("5","2","4","2","5","4","1","1") = "4"
    & skf21("5","2","4","2","5","4","2","1") = "4"
    & skf21("5","2","4","2","5","4","3","1") = "4"
    & skf21("5","2","4","2","5","4","4","1") = "4"
    & skf21("5","2","4","2","5","4","5","1") = "4"
    & skf21("5","2","4","2","5","4","6","1") = "5"
    & skf21("5","2","4","2","5","4","7","1") = "6"
    & skf21("5","2","4","2","5","5","1","1") = "4"
    & skf21("5","2","4","2","5","5","2","1") = "4"
    & skf21("5","2","4","2","5","5","3","1") = "4"
    & skf21("5","2","4","2","5","5","4","1") = "4"
    & skf21("5","2","4","2","5","5","5","1") = "4"
    & skf21("5","2","4","2","5","5","6","1") = "5"
    & skf21("5","2","4","2","5","5","7","1") = "6"
    & skf21("5","2","4","2","5","6","1","1") = "5"
    & skf21("5","2","4","2","5","6","2","1") = "5"
    & skf21("5","2","4","2","5","6","3","1") = "5"
    & skf21("5","2","4","2","5","6","4","1") = "5"
    & skf21("5","2","4","2","5","6","5","1") = "5"
    & skf21("5","2","4","2","5","6","6","1") = "5"
    & skf21("5","2","4","2","5","6","7","1") = "6"
    & skf21("5","2","4","2","5","7","1","1") = "6"
    & skf21("5","2","4","2","5","7","2","1") = "6"
    & skf21("5","2","4","2","5","7","3","1") = "6"
    & skf21("5","2","4","2","5","7","4","1") = "6"
    & skf21("5","2","4","2","5","7","5","1") = "6"
    & skf21("5","2","4","2","5","7","6","1") = "6"
    & skf21("5","2","4","2","5","7","7","1") = "6"
    & skf21("5","2","4","2","6","1","1","1") = "5"
    & skf21("5","2","4","2","6","1","2","1") = "5"
    & skf21("5","2","4","2","6","1","3","1") = "5"
    & skf21("5","2","4","2","6","1","4","1") = "5"
    & skf21("5","2","4","2","6","1","5","1") = "5"
    & skf21("5","2","4","2","6","1","6","1") = "5"
    & skf21("5","2","4","2","6","1","7","1") = "6"
    & skf21("5","2","4","2","6","2","1","1") = "5"
    & skf21("5","2","4","2","6","2","2","1") = "5"
    & skf21("5","2","4","2","6","2","3","1") = "5"
    & skf21("5","2","4","2","6","2","4","1") = "5"
    & skf21("5","2","4","2","6","2","5","1") = "5"
    & skf21("5","2","4","2","6","2","6","1") = "5"
    & skf21("5","2","4","2","6","2","7","1") = "6"
    & skf21("5","2","4","2","6","3","1","1") = "5"
    & skf21("5","2","4","2","6","3","2","1") = "5"
    & skf21("5","2","4","2","6","3","3","1") = "5"
    & skf21("5","2","4","2","6","3","4","1") = "5"
    & skf21("5","2","4","2","6","3","5","1") = "5"
    & skf21("5","2","4","2","6","3","6","1") = "5"
    & skf21("5","2","4","2","6","3","7","1") = "6"
    & skf21("5","2","4","2","6","4","1","1") = "5"
    & skf21("5","2","4","2","6","4","2","1") = "5"
    & skf21("5","2","4","2","6","4","3","1") = "5"
    & skf21("5","2","4","2","6","4","4","1") = "5"
    & skf21("5","2","4","2","6","4","5","1") = "5"
    & skf21("5","2","4","2","6","4","6","1") = "5"
    & skf21("5","2","4","2","6","4","7","1") = "6"
    & skf21("5","2","4","2","6","5","1","1") = "5"
    & skf21("5","2","4","2","6","5","2","1") = "5"
    & skf21("5","2","4","2","6","5","3","1") = "5"
    & skf21("5","2","4","2","6","5","4","1") = "5"
    & skf21("5","2","4","2","6","5","5","1") = "5"
    & skf21("5","2","4","2","6","5","6","1") = "5"
    & skf21("5","2","4","2","6","5","7","1") = "6"
    & skf21("5","2","4","2","6","6","1","1") = "5"
    & skf21("5","2","4","2","6","6","2","1") = "5"
    & skf21("5","2","4","2","6","6","3","1") = "5"
    & skf21("5","2","4","2","6","6","4","1") = "5"
    & skf21("5","2","4","2","6","6","5","1") = "5"
    & skf21("5","2","4","2","6","6","6","1") = "5"
    & skf21("5","2","4","2","6","6","7","1") = "6"
    & skf21("5","2","4","2","6","7","1","1") = "6"
    & skf21("5","2","4","2","6","7","2","1") = "6"
    & skf21("5","2","4","2","6","7","3","1") = "6"
    & skf21("5","2","4","2","6","7","4","1") = "6"
    & skf21("5","2","4","2","6","7","5","1") = "6"
    & skf21("5","2","4","2","6","7","6","1") = "6"
    & skf21("5","2","4","2","6","7","7","1") = "6"
    & skf21("5","2","4","2","7","1","1","1") = "6"
    & skf21("5","2","4","2","7","1","2","1") = "6"
    & skf21("5","2","4","2","7","1","3","1") = "6"
    & skf21("5","2","4","2","7","1","4","1") = "6"
    & skf21("5","2","4","2","7","1","5","1") = "6"
    & skf21("5","2","4","2","7","1","6","1") = "6"
    & skf21("5","2","4","2","7","1","7","1") = "6"
    & skf21("5","2","4","2","7","2","1","1") = "6"
    & skf21("5","2","4","2","7","2","2","1") = "6"
    & skf21("5","2","4","2","7","2","3","1") = "6"
    & skf21("5","2","4","2","7","2","4","1") = "6"
    & skf21("5","2","4","2","7","2","5","1") = "6"
    & skf21("5","2","4","2","7","2","6","1") = "6"
    & skf21("5","2","4","2","7","2","7","1") = "6"
    & skf21("5","2","4","2","7","3","1","1") = "6"
    & skf21("5","2","4","2","7","3","2","1") = "6"
    & skf21("5","2","4","2","7","3","3","1") = "6"
    & skf21("5","2","4","2","7","3","4","1") = "6"
    & skf21("5","2","4","2","7","3","5","1") = "6"
    & skf21("5","2","4","2","7","3","6","1") = "6"
    & skf21("5","2","4","2","7","3","7","1") = "6"
    & skf21("5","2","4","2","7","4","1","1") = "6"
    & skf21("5","2","4","2","7","4","2","1") = "6"
    & skf21("5","2","4","2","7","4","3","1") = "6"
    & skf21("5","2","4","2","7","4","4","1") = "6"
    & skf21("5","2","4","2","7","4","5","1") = "6"
    & skf21("5","2","4","2","7","4","6","1") = "6"
    & skf21("5","2","4","2","7","4","7","1") = "6"
    & skf21("5","2","4","2","7","5","1","1") = "6"
    & skf21("5","2","4","2","7","5","2","1") = "6"
    & skf21("5","2","4","2","7","5","3","1") = "6"
    & skf21("5","2","4","2","7","5","4","1") = "6"
    & skf21("5","2","4","2","7","5","5","1") = "6"
    & skf21("5","2","4","2","7","5","6","1") = "6"
    & skf21("5","2","4","2","7","5","7","1") = "6"
    & skf21("5","2","4","2","7","6","1","1") = "6"
    & skf21("5","2","4","2","7","6","2","1") = "6"
    & skf21("5","2","4","2","7","6","3","1") = "6"
    & skf21("5","2","4","2","7","6","4","1") = "6"
    & skf21("5","2","4","2","7","6","5","1") = "6"
    & skf21("5","2","4","2","7","6","6","1") = "6"
    & skf21("5","2","4","2","7","6","7","1") = "6"
    & skf21("5","2","4","2","7","7","1","1") = "6"
    & skf21("5","2","4","2","7","7","2","1") = "6"
    & skf21("5","2","4","2","7","7","3","1") = "6"
    & skf21("5","2","4","2","7","7","4","1") = "6"
    & skf21("5","2","4","2","7","7","5","1") = "6"
    & skf21("5","2","4","2","7","7","6","1") = "6"
    & skf21("5","2","4","2","7","7","7","1") = "6"
    & skf21("5","2","4","3","1","1","1","1") = "4"
    & skf21("5","2","4","3","1","1","2","1") = "4"
    & skf21("5","2","4","3","1","1","3","1") = "4"
    & skf21("5","2","4","3","1","1","4","1") = "4"
    & skf21("5","2","4","3","1","1","5","1") = "4"
    & skf21("5","2","4","3","1","1","6","1") = "5"
    & skf21("5","2","4","3","1","1","7","1") = "6"
    & skf21("5","2","4","3","1","2","1","1") = "4"
    & skf21("5","2","4","3","1","2","2","1") = "4"
    & skf21("5","2","4","3","1","2","3","1") = "4"
    & skf21("5","2","4","3","1","2","4","1") = "4"
    & skf21("5","2","4","3","1","2","5","1") = "4"
    & skf21("5","2","4","3","1","2","6","1") = "5"
    & skf21("5","2","4","3","1","2","7","1") = "6"
    & skf21("5","2","4","3","1","3","1","1") = "4"
    & skf21("5","2","4","3","1","3","2","1") = "4"
    & skf21("5","2","4","3","1","3","3","1") = "4"
    & skf21("5","2","4","3","1","3","4","1") = "4"
    & skf21("5","2","4","3","1","3","5","1") = "4"
    & skf21("5","2","4","3","1","3","6","1") = "5"
    & skf21("5","2","4","3","1","3","7","1") = "6"
    & skf21("5","2","4","3","1","4","1","1") = "4"
    & skf21("5","2","4","3","1","4","2","1") = "4"
    & skf21("5","2","4","3","1","4","3","1") = "4"
    & skf21("5","2","4","3","1","4","4","1") = "4"
    & skf21("5","2","4","3","1","4","5","1") = "4"
    & skf21("5","2","4","3","1","4","6","1") = "5"
    & skf21("5","2","4","3","1","4","7","1") = "6"
    & skf21("5","2","4","3","1","5","1","1") = "4"
    & skf21("5","2","4","3","1","5","2","1") = "4"
    & skf21("5","2","4","3","1","5","3","1") = "4"
    & skf21("5","2","4","3","1","5","4","1") = "4"
    & skf21("5","2","4","3","1","5","5","1") = "4"
    & skf21("5","2","4","3","1","5","6","1") = "5"
    & skf21("5","2","4","3","1","5","7","1") = "6"
    & skf21("5","2","4","3","1","6","1","1") = "5"
    & skf21("5","2","4","3","1","6","2","1") = "5"
    & skf21("5","2","4","3","1","6","3","1") = "5"
    & skf21("5","2","4","3","1","6","4","1") = "5"
    & skf21("5","2","4","3","1","6","5","1") = "5"
    & skf21("5","2","4","3","1","6","6","1") = "5"
    & skf21("5","2","4","3","1","6","7","1") = "6"
    & skf21("5","2","4","3","1","7","1","1") = "6"
    & skf21("5","2","4","3","1","7","2","1") = "6"
    & skf21("5","2","4","3","1","7","3","1") = "6"
    & skf21("5","2","4","3","1","7","4","1") = "6"
    & skf21("5","2","4","3","1","7","5","1") = "6"
    & skf21("5","2","4","3","1","7","6","1") = "6"
    & skf21("5","2","4","3","1","7","7","1") = "6"
    & skf21("5","2","4","3","2","1","1","1") = "4"
    & skf21("5","2","4","3","2","1","2","1") = "4"
    & skf21("5","2","4","3","2","1","3","1") = "4"
    & skf21("5","2","4","3","2","1","4","1") = "4"
    & skf21("5","2","4","3","2","1","5","1") = "4"
    & skf21("5","2","4","3","2","1","6","1") = "5"
    & skf21("5","2","4","3","2","1","7","1") = "6"
    & skf21("5","2","4","3","2","2","1","1") = "4"
    & skf21("5","2","4","3","2","2","2","1") = "4"
    & skf21("5","2","4","3","2","2","3","1") = "4"
    & skf21("5","2","4","3","2","2","4","1") = "4"
    & skf21("5","2","4","3","2","2","5","1") = "4"
    & skf21("5","2","4","3","2","2","6","1") = "5"
    & skf21("5","2","4","3","2","2","7","1") = "6"
    & skf21("5","2","4","3","2","3","1","1") = "4"
    & skf21("5","2","4","3","2","3","2","1") = "4"
    & skf21("5","2","4","3","2","3","3","1") = "4"
    & skf21("5","2","4","3","2","3","4","1") = "4"
    & skf21("5","2","4","3","2","3","5","1") = "4"
    & skf21("5","2","4","3","2","3","6","1") = "5"
    & skf21("5","2","4","3","2","3","7","1") = "6"
    & skf21("5","2","4","3","2","4","1","1") = "4"
    & skf21("5","2","4","3","2","4","2","1") = "4"
    & skf21("5","2","4","3","2","4","3","1") = "4"
    & skf21("5","2","4","3","2","4","4","1") = "4"
    & skf21("5","2","4","3","2","4","5","1") = "4"
    & skf21("5","2","4","3","2","4","6","1") = "5"
    & skf21("5","2","4","3","2","4","7","1") = "6"
    & skf21("5","2","4","3","2","5","1","1") = "4"
    & skf21("5","2","4","3","2","5","2","1") = "4"
    & skf21("5","2","4","3","2","5","3","1") = "4"
    & skf21("5","2","4","3","2","5","4","1") = "4"
    & skf21("5","2","4","3","2","5","5","1") = "4"
    & skf21("5","2","4","3","2","5","6","1") = "5"
    & skf21("5","2","4","3","2","5","7","1") = "6"
    & skf21("5","2","4","3","2","6","1","1") = "5"
    & skf21("5","2","4","3","2","6","2","1") = "5"
    & skf21("5","2","4","3","2","6","3","1") = "5"
    & skf21("5","2","4","3","2","6","4","1") = "5"
    & skf21("5","2","4","3","2","6","5","1") = "5"
    & skf21("5","2","4","3","2","6","6","1") = "5"
    & skf21("5","2","4","3","2","6","7","1") = "6"
    & skf21("5","2","4","3","2","7","1","1") = "6"
    & skf21("5","2","4","3","2","7","2","1") = "6"
    & skf21("5","2","4","3","2","7","3","1") = "6"
    & skf21("5","2","4","3","2","7","4","1") = "6"
    & skf21("5","2","4","3","2","7","5","1") = "6"
    & skf21("5","2","4","3","2","7","6","1") = "6"
    & skf21("5","2","4","3","2","7","7","1") = "6"
    & skf21("5","2","4","3","3","1","1","1") = "4"
    & skf21("5","2","4","3","3","1","2","1") = "4"
    & skf21("5","2","4","3","3","1","3","1") = "4"
    & skf21("5","2","4","3","3","1","4","1") = "4"
    & skf21("5","2","4","3","3","1","5","1") = "4"
    & skf21("5","2","4","3","3","1","6","1") = "5"
    & skf21("5","2","4","3","3","1","7","1") = "6"
    & skf21("5","2","4","3","3","2","1","1") = "4"
    & skf21("5","2","4","3","3","2","2","1") = "4"
    & skf21("5","2","4","3","3","2","3","1") = "4"
    & skf21("5","2","4","3","3","2","4","1") = "4"
    & skf21("5","2","4","3","3","2","5","1") = "4"
    & skf21("5","2","4","3","3","2","6","1") = "5"
    & skf21("5","2","4","3","3","2","7","1") = "6"
    & skf21("5","2","4","3","3","3","1","1") = "4"
    & skf21("5","2","4","3","3","3","2","1") = "4"
    & skf21("5","2","4","3","3","3","3","1") = "4"
    & skf21("5","2","4","3","3","3","4","1") = "4"
    & skf21("5","2","4","3","3","3","5","1") = "4"
    & skf21("5","2","4","3","3","3","6","1") = "5"
    & skf21("5","2","4","3","3","3","7","1") = "6"
    & skf21("5","2","4","3","3","4","1","1") = "4"
    & skf21("5","2","4","3","3","4","2","1") = "4"
    & skf21("5","2","4","3","3","4","3","1") = "4"
    & skf21("5","2","4","3","3","4","4","1") = "4"
    & skf21("5","2","4","3","3","4","5","1") = "4"
    & skf21("5","2","4","3","3","4","6","1") = "5"
    & skf21("5","2","4","3","3","4","7","1") = "6"
    & skf21("5","2","4","3","3","5","1","1") = "4"
    & skf21("5","2","4","3","3","5","2","1") = "4"
    & skf21("5","2","4","3","3","5","3","1") = "4"
    & skf21("5","2","4","3","3","5","4","1") = "4"
    & skf21("5","2","4","3","3","5","5","1") = "4"
    & skf21("5","2","4","3","3","5","6","1") = "5"
    & skf21("5","2","4","3","3","5","7","1") = "6"
    & skf21("5","2","4","3","3","6","1","1") = "5"
    & skf21("5","2","4","3","3","6","2","1") = "5"
    & skf21("5","2","4","3","3","6","3","1") = "5"
    & skf21("5","2","4","3","3","6","4","1") = "5"
    & skf21("5","2","4","3","3","6","5","1") = "5"
    & skf21("5","2","4","3","3","6","6","1") = "5"
    & skf21("5","2","4","3","3","6","7","1") = "6"
    & skf21("5","2","4","3","3","7","1","1") = "6"
    & skf21("5","2","4","3","3","7","2","1") = "6"
    & skf21("5","2","4","3","3","7","3","1") = "6"
    & skf21("5","2","4","3","3","7","4","1") = "6"
    & skf21("5","2","4","3","3","7","5","1") = "6"
    & skf21("5","2","4","3","3","7","6","1") = "6"
    & skf21("5","2","4","3","3","7","7","1") = "6"
    & skf21("5","2","4","3","4","1","1","1") = "4"
    & skf21("5","2","4","3","4","1","2","1") = "4"
    & skf21("5","2","4","3","4","1","3","1") = "4"
    & skf21("5","2","4","3","4","1","4","1") = "4"
    & skf21("5","2","4","3","4","1","5","1") = "4"
    & skf21("5","2","4","3","4","1","6","1") = "5"
    & skf21("5","2","4","3","4","1","7","1") = "6"
    & skf21("5","2","4","3","4","2","1","1") = "4"
    & skf21("5","2","4","3","4","2","2","1") = "4"
    & skf21("5","2","4","3","4","2","3","1") = "4"
    & skf21("5","2","4","3","4","2","4","1") = "4"
    & skf21("5","2","4","3","4","2","5","1") = "4"
    & skf21("5","2","4","3","4","2","6","1") = "5"
    & skf21("5","2","4","3","4","2","7","1") = "6"
    & skf21("5","2","4","3","4","3","1","1") = "4"
    & skf21("5","2","4","3","4","3","2","1") = "4"
    & skf21("5","2","4","3","4","3","3","1") = "4"
    & skf21("5","2","4","3","4","3","4","1") = "4"
    & skf21("5","2","4","3","4","3","5","1") = "4"
    & skf21("5","2","4","3","4","3","6","1") = "5"
    & skf21("5","2","4","3","4","3","7","1") = "6"
    & skf21("5","2","4","3","4","4","1","1") = "4"
    & skf21("5","2","4","3","4","4","2","1") = "4"
    & skf21("5","2","4","3","4","4","3","1") = "4"
    & skf21("5","2","4","3","4","4","4","1") = "4"
    & skf21("5","2","4","3","4","4","5","1") = "4"
    & skf21("5","2","4","3","4","4","6","1") = "5"
    & skf21("5","2","4","3","4","4","7","1") = "6"
    & skf21("5","2","4","3","4","5","1","1") = "4"
    & skf21("5","2","4","3","4","5","2","1") = "4"
    & skf21("5","2","4","3","4","5","3","1") = "4"
    & skf21("5","2","4","3","4","5","4","1") = "4"
    & skf21("5","2","4","3","4","5","5","1") = "4"
    & skf21("5","2","4","3","4","5","6","1") = "5"
    & skf21("5","2","4","3","4","5","7","1") = "6"
    & skf21("5","2","4","3","4","6","1","1") = "5"
    & skf21("5","2","4","3","4","6","2","1") = "5"
    & skf21("5","2","4","3","4","6","3","1") = "5"
    & skf21("5","2","4","3","4","6","4","1") = "5"
    & skf21("5","2","4","3","4","6","5","1") = "5"
    & skf21("5","2","4","3","4","6","6","1") = "5"
    & skf21("5","2","4","3","4","6","7","1") = "6"
    & skf21("5","2","4","3","4","7","1","1") = "6"
    & skf21("5","2","4","3","4","7","2","1") = "6"
    & skf21("5","2","4","3","4","7","3","1") = "6"
    & skf21("5","2","4","3","4","7","4","1") = "6"
    & skf21("5","2","4","3","4","7","5","1") = "6"
    & skf21("5","2","4","3","4","7","6","1") = "6"
    & skf21("5","2","4","3","4","7","7","1") = "6"
    & skf21("5","2","4","3","5","1","1","1") = "4"
    & skf21("5","2","4","3","5","1","2","1") = "4"
    & skf21("5","2","4","3","5","1","3","1") = "4"
    & skf21("5","2","4","3","5","1","4","1") = "4"
    & skf21("5","2","4","3","5","1","5","1") = "4"
    & skf21("5","2","4","3","5","1","6","1") = "5"
    & skf21("5","2","4","3","5","1","7","1") = "6"
    & skf21("5","2","4","3","5","2","1","1") = "4"
    & skf21("5","2","4","3","5","2","2","1") = "4"
    & skf21("5","2","4","3","5","2","3","1") = "4"
    & skf21("5","2","4","3","5","2","4","1") = "4"
    & skf21("5","2","4","3","5","2","5","1") = "4"
    & skf21("5","2","4","3","5","2","6","1") = "5"
    & skf21("5","2","4","3","5","2","7","1") = "6"
    & skf21("5","2","4","3","5","3","1","1") = "4"
    & skf21("5","2","4","3","5","3","2","1") = "4"
    & skf21("5","2","4","3","5","3","3","1") = "4"
    & skf21("5","2","4","3","5","3","4","1") = "4"
    & skf21("5","2","4","3","5","3","5","1") = "4"
    & skf21("5","2","4","3","5","3","6","1") = "5"
    & skf21("5","2","4","3","5","3","7","1") = "6"
    & skf21("5","2","4","3","5","4","1","1") = "4"
    & skf21("5","2","4","3","5","4","2","1") = "4"
    & skf21("5","2","4","3","5","4","3","1") = "4"
    & skf21("5","2","4","3","5","4","4","1") = "4"
    & skf21("5","2","4","3","5","4","5","1") = "4"
    & skf21("5","2","4","3","5","4","6","1") = "5"
    & skf21("5","2","4","3","5","4","7","1") = "6"
    & skf21("5","2","4","3","5","5","1","1") = "4"
    & skf21("5","2","4","3","5","5","2","1") = "4"
    & skf21("5","2","4","3","5","5","3","1") = "4"
    & skf21("5","2","4","3","5","5","4","1") = "4"
    & skf21("5","2","4","3","5","5","5","1") = "4"
    & skf21("5","2","4","3","5","5","6","1") = "5"
    & skf21("5","2","4","3","5","5","7","1") = "6"
    & skf21("5","2","4","3","5","6","1","1") = "5"
    & skf21("5","2","4","3","5","6","2","1") = "5"
    & skf21("5","2","4","3","5","6","3","1") = "5"
    & skf21("5","2","4","3","5","6","4","1") = "5"
    & skf21("5","2","4","3","5","6","5","1") = "5"
    & skf21("5","2","4","3","5","6","6","1") = "5"
    & skf21("5","2","4","3","5","6","7","1") = "6"
    & skf21("5","2","4","3","5","7","1","1") = "6"
    & skf21("5","2","4","3","5","7","2","1") = "6"
    & skf21("5","2","4","3","5","7","3","1") = "6"
    & skf21("5","2","4","3","5","7","4","1") = "6"
    & skf21("5","2","4","3","5","7","5","1") = "6"
    & skf21("5","2","4","3","5","7","6","1") = "6"
    & skf21("5","2","4","3","5","7","7","1") = "6"
    & skf21("5","2","4","3","6","1","1","1") = "5"
    & skf21("5","2","4","3","6","1","2","1") = "5"
    & skf21("5","2","4","3","6","1","3","1") = "5"
    & skf21("5","2","4","3","6","1","4","1") = "5"
    & skf21("5","2","4","3","6","1","5","1") = "5"
    & skf21("5","2","4","3","6","1","6","1") = "5"
    & skf21("5","2","4","3","6","1","7","1") = "6"
    & skf21("5","2","4","3","6","2","1","1") = "5"
    & skf21("5","2","4","3","6","2","2","1") = "5"
    & skf21("5","2","4","3","6","2","3","1") = "5"
    & skf21("5","2","4","3","6","2","4","1") = "5"
    & skf21("5","2","4","3","6","2","5","1") = "5"
    & skf21("5","2","4","3","6","2","6","1") = "5"
    & skf21("5","2","4","3","6","2","7","1") = "6"
    & skf21("5","2","4","3","6","3","1","1") = "5"
    & skf21("5","2","4","3","6","3","2","1") = "5"
    & skf21("5","2","4","3","6","3","3","1") = "5"
    & skf21("5","2","4","3","6","3","4","1") = "5"
    & skf21("5","2","4","3","6","3","5","1") = "5"
    & skf21("5","2","4","3","6","3","6","1") = "5"
    & skf21("5","2","4","3","6","3","7","1") = "6"
    & skf21("5","2","4","3","6","4","1","1") = "5"
    & skf21("5","2","4","3","6","4","2","1") = "5"
    & skf21("5","2","4","3","6","4","3","1") = "5"
    & skf21("5","2","4","3","6","4","4","1") = "5"
    & skf21("5","2","4","3","6","4","5","1") = "5"
    & skf21("5","2","4","3","6","4","6","1") = "5"
    & skf21("5","2","4","3","6","4","7","1") = "6"
    & skf21("5","2","4","3","6","5","1","1") = "5"
    & skf21("5","2","4","3","6","5","2","1") = "5"
    & skf21("5","2","4","3","6","5","3","1") = "5"
    & skf21("5","2","4","3","6","5","4","1") = "5"
    & skf21("5","2","4","3","6","5","5","1") = "5"
    & skf21("5","2","4","3","6","5","6","1") = "5"
    & skf21("5","2","4","3","6","5","7","1") = "6"
    & skf21("5","2","4","3","6","6","1","1") = "5"
    & skf21("5","2","4","3","6","6","2","1") = "5"
    & skf21("5","2","4","3","6","6","3","1") = "5"
    & skf21("5","2","4","3","6","6","4","1") = "5"
    & skf21("5","2","4","3","6","6","5","1") = "5"
    & skf21("5","2","4","3","6","6","6","1") = "5"
    & skf21("5","2","4","3","6","6","7","1") = "6"
    & skf21("5","2","4","3","6","7","1","1") = "6"
    & skf21("5","2","4","3","6","7","2","1") = "6"
    & skf21("5","2","4","3","6","7","3","1") = "6"
    & skf21("5","2","4","3","6","7","4","1") = "6"
    & skf21("5","2","4","3","6","7","5","1") = "6"
    & skf21("5","2","4","3","6","7","6","1") = "6"
    & skf21("5","2","4","3","6","7","7","1") = "6"
    & skf21("5","2","4","3","7","1","1","1") = "6"
    & skf21("5","2","4","3","7","1","2","1") = "6"
    & skf21("5","2","4","3","7","1","3","1") = "6"
    & skf21("5","2","4","3","7","1","4","1") = "6"
    & skf21("5","2","4","3","7","1","5","1") = "6"
    & skf21("5","2","4","3","7","1","6","1") = "6"
    & skf21("5","2","4","3","7","1","7","1") = "6"
    & skf21("5","2","4","3","7","2","1","1") = "6"
    & skf21("5","2","4","3","7","2","2","1") = "6"
    & skf21("5","2","4","3","7","2","3","1") = "6"
    & skf21("5","2","4","3","7","2","4","1") = "6"
    & skf21("5","2","4","3","7","2","5","1") = "6"
    & skf21("5","2","4","3","7","2","6","1") = "6"
    & skf21("5","2","4","3","7","2","7","1") = "6"
    & skf21("5","2","4","3","7","3","1","1") = "6"
    & skf21("5","2","4","3","7","3","2","1") = "6"
    & skf21("5","2","4","3","7","3","3","1") = "6"
    & skf21("5","2","4","3","7","3","4","1") = "6"
    & skf21("5","2","4","3","7","3","5","1") = "6"
    & skf21("5","2","4","3","7","3","6","1") = "6"
    & skf21("5","2","4","3","7","3","7","1") = "6"
    & skf21("5","2","4","3","7","4","1","1") = "6"
    & skf21("5","2","4","3","7","4","2","1") = "6"
    & skf21("5","2","4","3","7","4","3","1") = "6"
    & skf21("5","2","4","3","7","4","4","1") = "6"
    & skf21("5","2","4","3","7","4","5","1") = "6"
    & skf21("5","2","4","3","7","4","6","1") = "6"
    & skf21("5","2","4","3","7","4","7","1") = "6"
    & skf21("5","2","4","3","7","5","1","1") = "6"
    & skf21("5","2","4","3","7","5","2","1") = "6"
    & skf21("5","2","4","3","7","5","3","1") = "6"
    & skf21("5","2","4","3","7","5","4","1") = "6"
    & skf21("5","2","4","3","7","5","5","1") = "6"
    & skf21("5","2","4","3","7","5","6","1") = "6"
    & skf21("5","2","4","3","7","5","7","1") = "6"
    & skf21("5","2","4","3","7","6","1","1") = "6"
    & skf21("5","2","4","3","7","6","2","1") = "6"
    & skf21("5","2","4","3","7","6","3","1") = "6"
    & skf21("5","2","4","3","7","6","4","1") = "6"
    & skf21("5","2","4","3","7","6","5","1") = "6"
    & skf21("5","2","4","3","7","6","6","1") = "6"
    & skf21("5","2","4","3","7","6","7","1") = "6"
    & skf21("5","2","4","3","7","7","1","1") = "6"
    & skf21("5","2","4","3","7","7","2","1") = "6"
    & skf21("5","2","4","3","7","7","3","1") = "6"
    & skf21("5","2","4","3","7","7","4","1") = "6"
    & skf21("5","2","4","3","7","7","5","1") = "6"
    & skf21("5","2","4","3","7","7","6","1") = "6"
    & skf21("5","2","4","3","7","7","7","1") = "6"
    & skf21("5","2","4","4","1","1","1","1") = "4"
    & skf21("5","2","4","4","1","1","2","1") = "4"
    & skf21("5","2","4","4","1","1","3","1") = "4"
    & skf21("5","2","4","4","1","1","4","1") = "4"
    & skf21("5","2","4","4","1","1","5","1") = "4"
    & skf21("5","2","4","4","1","1","6","1") = "5"
    & skf21("5","2","4","4","1","1","7","1") = "6"
    & skf21("5","2","4","4","1","2","1","1") = "4"
    & skf21("5","2","4","4","1","2","2","1") = "4"
    & skf21("5","2","4","4","1","2","3","1") = "4"
    & skf21("5","2","4","4","1","2","4","1") = "4"
    & skf21("5","2","4","4","1","2","5","1") = "4"
    & skf21("5","2","4","4","1","2","6","1") = "5"
    & skf21("5","2","4","4","1","2","7","1") = "6"
    & skf21("5","2","4","4","1","3","1","1") = "4"
    & skf21("5","2","4","4","1","3","2","1") = "4"
    & skf21("5","2","4","4","1","3","3","1") = "4"
    & skf21("5","2","4","4","1","3","4","1") = "4"
    & skf21("5","2","4","4","1","3","5","1") = "4"
    & skf21("5","2","4","4","1","3","6","1") = "5"
    & skf21("5","2","4","4","1","3","7","1") = "6"
    & skf21("5","2","4","4","1","4","1","1") = "4"
    & skf21("5","2","4","4","1","4","2","1") = "4"
    & skf21("5","2","4","4","1","4","3","1") = "4"
    & skf21("5","2","4","4","1","4","4","1") = "4"
    & skf21("5","2","4","4","1","4","5","1") = "4"
    & skf21("5","2","4","4","1","4","6","1") = "5"
    & skf21("5","2","4","4","1","4","7","1") = "6"
    & skf21("5","2","4","4","1","5","1","1") = "4"
    & skf21("5","2","4","4","1","5","2","1") = "4"
    & skf21("5","2","4","4","1","5","3","1") = "4"
    & skf21("5","2","4","4","1","5","4","1") = "4"
    & skf21("5","2","4","4","1","5","5","1") = "4"
    & skf21("5","2","4","4","1","5","6","1") = "5"
    & skf21("5","2","4","4","1","5","7","1") = "6"
    & skf21("5","2","4","4","1","6","1","1") = "5"
    & skf21("5","2","4","4","1","6","2","1") = "5"
    & skf21("5","2","4","4","1","6","3","1") = "5"
    & skf21("5","2","4","4","1","6","4","1") = "5"
    & skf21("5","2","4","4","1","6","5","1") = "5"
    & skf21("5","2","4","4","1","6","6","1") = "5"
    & skf21("5","2","4","4","1","6","7","1") = "6"
    & skf21("5","2","4","4","1","7","1","1") = "6"
    & skf21("5","2","4","4","1","7","2","1") = "6"
    & skf21("5","2","4","4","1","7","3","1") = "6"
    & skf21("5","2","4","4","1","7","4","1") = "6"
    & skf21("5","2","4","4","1","7","5","1") = "6"
    & skf21("5","2","4","4","1","7","6","1") = "6"
    & skf21("5","2","4","4","1","7","7","1") = "6"
    & skf21("5","2","4","4","2","1","1","1") = "4"
    & skf21("5","2","4","4","2","1","2","1") = "4"
    & skf21("5","2","4","4","2","1","3","1") = "4"
    & skf21("5","2","4","4","2","1","4","1") = "4"
    & skf21("5","2","4","4","2","1","5","1") = "4"
    & skf21("5","2","4","4","2","1","6","1") = "5"
    & skf21("5","2","4","4","2","1","7","1") = "6"
    & skf21("5","2","4","4","2","2","1","1") = "4"
    & skf21("5","2","4","4","2","2","2","1") = "4"
    & skf21("5","2","4","4","2","2","3","1") = "4"
    & skf21("5","2","4","4","2","2","4","1") = "4"
    & skf21("5","2","4","4","2","2","5","1") = "4"
    & skf21("5","2","4","4","2","2","6","1") = "5"
    & skf21("5","2","4","4","2","2","7","1") = "6"
    & skf21("5","2","4","4","2","3","1","1") = "4"
    & skf21("5","2","4","4","2","3","2","1") = "4"
    & skf21("5","2","4","4","2","3","3","1") = "4"
    & skf21("5","2","4","4","2","3","4","1") = "4"
    & skf21("5","2","4","4","2","3","5","1") = "4"
    & skf21("5","2","4","4","2","3","6","1") = "5"
    & skf21("5","2","4","4","2","3","7","1") = "6"
    & skf21("5","2","4","4","2","4","1","1") = "4"
    & skf21("5","2","4","4","2","4","2","1") = "4"
    & skf21("5","2","4","4","2","4","3","1") = "4"
    & skf21("5","2","4","4","2","4","4","1") = "4"
    & skf21("5","2","4","4","2","4","5","1") = "4"
    & skf21("5","2","4","4","2","4","6","1") = "5"
    & skf21("5","2","4","4","2","4","7","1") = "6"
    & skf21("5","2","4","4","2","5","1","1") = "4"
    & skf21("5","2","4","4","2","5","2","1") = "4"
    & skf21("5","2","4","4","2","5","3","1") = "4"
    & skf21("5","2","4","4","2","5","4","1") = "4"
    & skf21("5","2","4","4","2","5","5","1") = "4"
    & skf21("5","2","4","4","2","5","6","1") = "5"
    & skf21("5","2","4","4","2","5","7","1") = "6"
    & skf21("5","2","4","4","2","6","1","1") = "5"
    & skf21("5","2","4","4","2","6","2","1") = "5"
    & skf21("5","2","4","4","2","6","3","1") = "5"
    & skf21("5","2","4","4","2","6","4","1") = "5"
    & skf21("5","2","4","4","2","6","5","1") = "5"
    & skf21("5","2","4","4","2","6","6","1") = "5"
    & skf21("5","2","4","4","2","6","7","1") = "6"
    & skf21("5","2","4","4","2","7","1","1") = "6"
    & skf21("5","2","4","4","2","7","2","1") = "6"
    & skf21("5","2","4","4","2","7","3","1") = "6"
    & skf21("5","2","4","4","2","7","4","1") = "6"
    & skf21("5","2","4","4","2","7","5","1") = "6"
    & skf21("5","2","4","4","2","7","6","1") = "6"
    & skf21("5","2","4","4","2","7","7","1") = "6"
    & skf21("5","2","4","4","3","1","1","1") = "4"
    & skf21("5","2","4","4","3","1","2","1") = "4"
    & skf21("5","2","4","4","3","1","3","1") = "4"
    & skf21("5","2","4","4","3","1","4","1") = "4"
    & skf21("5","2","4","4","3","1","5","1") = "4"
    & skf21("5","2","4","4","3","1","6","1") = "5"
    & skf21("5","2","4","4","3","1","7","1") = "6"
    & skf21("5","2","4","4","3","2","1","1") = "4"
    & skf21("5","2","4","4","3","2","2","1") = "4"
    & skf21("5","2","4","4","3","2","3","1") = "4"
    & skf21("5","2","4","4","3","2","4","1") = "4"
    & skf21("5","2","4","4","3","2","5","1") = "4"
    & skf21("5","2","4","4","3","2","6","1") = "5"
    & skf21("5","2","4","4","3","2","7","1") = "6"
    & skf21("5","2","4","4","3","3","1","1") = "4"
    & skf21("5","2","4","4","3","3","2","1") = "4"
    & skf21("5","2","4","4","3","3","3","1") = "4"
    & skf21("5","2","4","4","3","3","4","1") = "4"
    & skf21("5","2","4","4","3","3","5","1") = "4"
    & skf21("5","2","4","4","3","3","6","1") = "5"
    & skf21("5","2","4","4","3","3","7","1") = "6"
    & skf21("5","2","4","4","3","4","1","1") = "4"
    & skf21("5","2","4","4","3","4","2","1") = "4"
    & skf21("5","2","4","4","3","4","3","1") = "4"
    & skf21("5","2","4","4","3","4","4","1") = "4"
    & skf21("5","2","4","4","3","4","5","1") = "4"
    & skf21("5","2","4","4","3","4","6","1") = "5"
    & skf21("5","2","4","4","3","4","7","1") = "6"
    & skf21("5","2","4","4","3","5","1","1") = "4"
    & skf21("5","2","4","4","3","5","2","1") = "4"
    & skf21("5","2","4","4","3","5","3","1") = "4"
    & skf21("5","2","4","4","3","5","4","1") = "4"
    & skf21("5","2","4","4","3","5","5","1") = "4"
    & skf21("5","2","4","4","3","5","6","1") = "5"
    & skf21("5","2","4","4","3","5","7","1") = "6"
    & skf21("5","2","4","4","3","6","1","1") = "5"
    & skf21("5","2","4","4","3","6","2","1") = "5"
    & skf21("5","2","4","4","3","6","3","1") = "5"
    & skf21("5","2","4","4","3","6","4","1") = "5"
    & skf21("5","2","4","4","3","6","5","1") = "5"
    & skf21("5","2","4","4","3","6","6","1") = "5"
    & skf21("5","2","4","4","3","6","7","1") = "6"
    & skf21("5","2","4","4","3","7","1","1") = "6"
    & skf21("5","2","4","4","3","7","2","1") = "6"
    & skf21("5","2","4","4","3","7","3","1") = "6"
    & skf21("5","2","4","4","3","7","4","1") = "6"
    & skf21("5","2","4","4","3","7","5","1") = "6"
    & skf21("5","2","4","4","3","7","6","1") = "6"
    & skf21("5","2","4","4","3","7","7","1") = "6"
    & skf21("5","2","4","4","4","1","1","1") = "4"
    & skf21("5","2","4","4","4","1","2","1") = "4"
    & skf21("5","2","4","4","4","1","3","1") = "4"
    & skf21("5","2","4","4","4","1","4","1") = "4"
    & skf21("5","2","4","4","4","1","5","1") = "4"
    & skf21("5","2","4","4","4","1","6","1") = "5"
    & skf21("5","2","4","4","4","1","7","1") = "6"
    & skf21("5","2","4","4","4","2","1","1") = "4"
    & skf21("5","2","4","4","4","2","2","1") = "4"
    & skf21("5","2","4","4","4","2","3","1") = "4"
    & skf21("5","2","4","4","4","2","4","1") = "4"
    & skf21("5","2","4","4","4","2","5","1") = "4"
    & skf21("5","2","4","4","4","2","6","1") = "5"
    & skf21("5","2","4","4","4","2","7","1") = "6"
    & skf21("5","2","4","4","4","3","1","1") = "4"
    & skf21("5","2","4","4","4","3","2","1") = "4"
    & skf21("5","2","4","4","4","3","3","1") = "4"
    & skf21("5","2","4","4","4","3","4","1") = "4"
    & skf21("5","2","4","4","4","3","5","1") = "4"
    & skf21("5","2","4","4","4","3","6","1") = "5"
    & skf21("5","2","4","4","4","3","7","1") = "6"
    & skf21("5","2","4","4","4","4","1","1") = "4"
    & skf21("5","2","4","4","4","4","2","1") = "4"
    & skf21("5","2","4","4","4","4","3","1") = "4"
    & skf21("5","2","4","4","4","4","4","1") = "4"
    & skf21("5","2","4","4","4","4","5","1") = "4"
    & skf21("5","2","4","4","4","4","6","1") = "5"
    & skf21("5","2","4","4","4","4","7","1") = "6"
    & skf21("5","2","4","4","4","5","1","1") = "4"
    & skf21("5","2","4","4","4","5","2","1") = "4"
    & skf21("5","2","4","4","4","5","3","1") = "4"
    & skf21("5","2","4","4","4","5","4","1") = "4"
    & skf21("5","2","4","4","4","5","5","1") = "4"
    & skf21("5","2","4","4","4","5","6","1") = "5"
    & skf21("5","2","4","4","4","5","7","1") = "6"
    & skf21("5","2","4","4","4","6","1","1") = "5"
    & skf21("5","2","4","4","4","6","2","1") = "5"
    & skf21("5","2","4","4","4","6","3","1") = "5"
    & skf21("5","2","4","4","4","6","4","1") = "5"
    & skf21("5","2","4","4","4","6","5","1") = "5"
    & skf21("5","2","4","4","4","6","6","1") = "5"
    & skf21("5","2","4","4","4","6","7","1") = "6"
    & skf21("5","2","4","4","4","7","1","1") = "6"
    & skf21("5","2","4","4","4","7","2","1") = "6"
    & skf21("5","2","4","4","4","7","3","1") = "6"
    & skf21("5","2","4","4","4","7","4","1") = "6"
    & skf21("5","2","4","4","4","7","5","1") = "6"
    & skf21("5","2","4","4","4","7","6","1") = "6"
    & skf21("5","2","4","4","4","7","7","1") = "6"
    & skf21("5","2","4","4","5","1","1","1") = "4"
    & skf21("5","2","4","4","5","1","2","1") = "4"
    & skf21("5","2","4","4","5","1","3","1") = "4"
    & skf21("5","2","4","4","5","1","4","1") = "4"
    & skf21("5","2","4","4","5","1","5","1") = "4"
    & skf21("5","2","4","4","5","1","6","1") = "5"
    & skf21("5","2","4","4","5","1","7","1") = "6"
    & skf21("5","2","4","4","5","2","1","1") = "4"
    & skf21("5","2","4","4","5","2","2","1") = "4"
    & skf21("5","2","4","4","5","2","3","1") = "4"
    & skf21("5","2","4","4","5","2","4","1") = "4"
    & skf21("5","2","4","4","5","2","5","1") = "4"
    & skf21("5","2","4","4","5","2","6","1") = "5"
    & skf21("5","2","4","4","5","2","7","1") = "6"
    & skf21("5","2","4","4","5","3","1","1") = "4"
    & skf21("5","2","4","4","5","3","2","1") = "4"
    & skf21("5","2","4","4","5","3","3","1") = "4"
    & skf21("5","2","4","4","5","3","4","1") = "4"
    & skf21("5","2","4","4","5","3","5","1") = "4"
    & skf21("5","2","4","4","5","3","6","1") = "5"
    & skf21("5","2","4","4","5","3","7","1") = "6"
    & skf21("5","2","4","4","5","4","1","1") = "4"
    & skf21("5","2","4","4","5","4","2","1") = "4"
    & skf21("5","2","4","4","5","4","3","1") = "4"
    & skf21("5","2","4","4","5","4","4","1") = "4"
    & skf21("5","2","4","4","5","4","5","1") = "4"
    & skf21("5","2","4","4","5","4","6","1") = "5"
    & skf21("5","2","4","4","5","4","7","1") = "6"
    & skf21("5","2","4","4","5","5","1","1") = "4"
    & skf21("5","2","4","4","5","5","2","1") = "4"
    & skf21("5","2","4","4","5","5","3","1") = "4"
    & skf21("5","2","4","4","5","5","4","1") = "4"
    & skf21("5","2","4","4","5","5","5","1") = "4"
    & skf21("5","2","4","4","5","5","6","1") = "5"
    & skf21("5","2","4","4","5","5","7","1") = "6"
    & skf21("5","2","4","4","5","6","1","1") = "5"
    & skf21("5","2","4","4","5","6","2","1") = "5"
    & skf21("5","2","4","4","5","6","3","1") = "5"
    & skf21("5","2","4","4","5","6","4","1") = "5"
    & skf21("5","2","4","4","5","6","5","1") = "5"
    & skf21("5","2","4","4","5","6","6","1") = "5"
    & skf21("5","2","4","4","5","6","7","1") = "6"
    & skf21("5","2","4","4","5","7","1","1") = "6"
    & skf21("5","2","4","4","5","7","2","1") = "6"
    & skf21("5","2","4","4","5","7","3","1") = "6"
    & skf21("5","2","4","4","5","7","4","1") = "6"
    & skf21("5","2","4","4","5","7","5","1") = "6"
    & skf21("5","2","4","4","5","7","6","1") = "6"
    & skf21("5","2","4","4","5","7","7","1") = "6"
    & skf21("5","2","4","4","6","1","1","1") = "5"
    & skf21("5","2","4","4","6","1","2","1") = "5"
    & skf21("5","2","4","4","6","1","3","1") = "5"
    & skf21("5","2","4","4","6","1","4","1") = "5"
    & skf21("5","2","4","4","6","1","5","1") = "5"
    & skf21("5","2","4","4","6","1","6","1") = "5"
    & skf21("5","2","4","4","6","1","7","1") = "6"
    & skf21("5","2","4","4","6","2","1","1") = "5"
    & skf21("5","2","4","4","6","2","2","1") = "5"
    & skf21("5","2","4","4","6","2","3","1") = "5"
    & skf21("5","2","4","4","6","2","4","1") = "5"
    & skf21("5","2","4","4","6","2","5","1") = "5"
    & skf21("5","2","4","4","6","2","6","1") = "5"
    & skf21("5","2","4","4","6","2","7","1") = "6"
    & skf21("5","2","4","4","6","3","1","1") = "5"
    & skf21("5","2","4","4","6","3","2","1") = "5"
    & skf21("5","2","4","4","6","3","3","1") = "5"
    & skf21("5","2","4","4","6","3","4","1") = "5"
    & skf21("5","2","4","4","6","3","5","1") = "5"
    & skf21("5","2","4","4","6","3","6","1") = "5"
    & skf21("5","2","4","4","6","3","7","1") = "6"
    & skf21("5","2","4","4","6","4","1","1") = "5"
    & skf21("5","2","4","4","6","4","2","1") = "5"
    & skf21("5","2","4","4","6","4","3","1") = "5"
    & skf21("5","2","4","4","6","4","4","1") = "5"
    & skf21("5","2","4","4","6","4","5","1") = "5"
    & skf21("5","2","4","4","6","4","6","1") = "5"
    & skf21("5","2","4","4","6","4","7","1") = "6"
    & skf21("5","2","4","4","6","5","1","1") = "5"
    & skf21("5","2","4","4","6","5","2","1") = "5"
    & skf21("5","2","4","4","6","5","3","1") = "5"
    & skf21("5","2","4","4","6","5","4","1") = "5"
    & skf21("5","2","4","4","6","5","5","1") = "5"
    & skf21("5","2","4","4","6","5","6","1") = "5"
    & skf21("5","2","4","4","6","5","7","1") = "6"
    & skf21("5","2","4","4","6","6","1","1") = "5"
    & skf21("5","2","4","4","6","6","2","1") = "5"
    & skf21("5","2","4","4","6","6","3","1") = "5"
    & skf21("5","2","4","4","6","6","4","1") = "5"
    & skf21("5","2","4","4","6","6","5","1") = "5"
    & skf21("5","2","4","4","6","6","6","1") = "5"
    & skf21("5","2","4","4","6","6","7","1") = "6"
    & skf21("5","2","4","4","6","7","1","1") = "6"
    & skf21("5","2","4","4","6","7","2","1") = "6"
    & skf21("5","2","4","4","6","7","3","1") = "6"
    & skf21("5","2","4","4","6","7","4","1") = "6"
    & skf21("5","2","4","4","6","7","5","1") = "6"
    & skf21("5","2","4","4","6","7","6","1") = "6"
    & skf21("5","2","4","4","6","7","7","1") = "6"
    & skf21("5","2","4","4","7","1","1","1") = "6"
    & skf21("5","2","4","4","7","1","2","1") = "6"
    & skf21("5","2","4","4","7","1","3","1") = "6"
    & skf21("5","2","4","4","7","1","4","1") = "6"
    & skf21("5","2","4","4","7","1","5","1") = "6"
    & skf21("5","2","4","4","7","1","6","1") = "6"
    & skf21("5","2","4","4","7","1","7","1") = "6"
    & skf21("5","2","4","4","7","2","1","1") = "6"
    & skf21("5","2","4","4","7","2","2","1") = "6"
    & skf21("5","2","4","4","7","2","3","1") = "6"
    & skf21("5","2","4","4","7","2","4","1") = "6"
    & skf21("5","2","4","4","7","2","5","1") = "6"
    & skf21("5","2","4","4","7","2","6","1") = "6"
    & skf21("5","2","4","4","7","2","7","1") = "6"
    & skf21("5","2","4","4","7","3","1","1") = "6"
    & skf21("5","2","4","4","7","3","2","1") = "6"
    & skf21("5","2","4","4","7","3","3","1") = "6"
    & skf21("5","2","4","4","7","3","4","1") = "6"
    & skf21("5","2","4","4","7","3","5","1") = "6"
    & skf21("5","2","4","4","7","3","6","1") = "6"
    & skf21("5","2","4","4","7","3","7","1") = "6"
    & skf21("5","2","4","4","7","4","1","1") = "6"
    & skf21("5","2","4","4","7","4","2","1") = "6"
    & skf21("5","2","4","4","7","4","3","1") = "6"
    & skf21("5","2","4","4","7","4","4","1") = "6"
    & skf21("5","2","4","4","7","4","5","1") = "6"
    & skf21("5","2","4","4","7","4","6","1") = "6"
    & skf21("5","2","4","4","7","4","7","1") = "6"
    & skf21("5","2","4","4","7","5","1","1") = "6"
    & skf21("5","2","4","4","7","5","2","1") = "6"
    & skf21("5","2","4","4","7","5","3","1") = "6"
    & skf21("5","2","4","4","7","5","4","1") = "6"
    & skf21("5","2","4","4","7","5","5","1") = "6"
    & skf21("5","2","4","4","7","5","6","1") = "6"
    & skf21("5","2","4","4","7","5","7","1") = "6"
    & skf21("5","2","4","4","7","6","1","1") = "6"
    & skf21("5","2","4","4","7","6","2","1") = "6"
    & skf21("5","2","4","4","7","6","3","1") = "6"
    & skf21("5","2","4","4","7","6","4","1") = "6"
    & skf21("5","2","4","4","7","6","5","1") = "6"
    & skf21("5","2","4","4","7","6","6","1") = "6"
    & skf21("5","2","4","4","7","6","7","1") = "6"
    & skf21("5","2","4","4","7","7","1","1") = "6"
    & skf21("5","2","4","4","7","7","2","1") = "6"
    & skf21("5","2","4","4","7","7","3","1") = "6"
    & skf21("5","2","4","4","7","7","4","1") = "6"
    & skf21("5","2","4","4","7","7","5","1") = "6"
    & skf21("5","2","4","4","7","7","6","1") = "6"
    & skf21("5","2","4","4","7","7","7","1") = "6"
    & skf21("5","2","4","5","1","1","1","1") = "4"
    & skf21("5","2","4","5","1","1","2","1") = "4"
    & skf21("5","2","4","5","1","1","3","1") = "4"
    & skf21("5","2","4","5","1","1","4","1") = "4"
    & skf21("5","2","4","5","1","1","5","1") = "4"
    & skf21("5","2","4","5","1","1","6","1") = "5"
    & skf21("5","2","4","5","1","1","7","1") = "6"
    & skf21("5","2","4","5","1","2","1","1") = "4"
    & skf21("5","2","4","5","1","2","2","1") = "4"
    & skf21("5","2","4","5","1","2","3","1") = "4"
    & skf21("5","2","4","5","1","2","4","1") = "4"
    & skf21("5","2","4","5","1","2","5","1") = "4"
    & skf21("5","2","4","5","1","2","6","1") = "5"
    & skf21("5","2","4","5","1","2","7","1") = "6"
    & skf21("5","2","4","5","1","3","1","1") = "4"
    & skf21("5","2","4","5","1","3","2","1") = "4"
    & skf21("5","2","4","5","1","3","3","1") = "4"
    & skf21("5","2","4","5","1","3","4","1") = "4"
    & skf21("5","2","4","5","1","3","5","1") = "4"
    & skf21("5","2","4","5","1","3","6","1") = "5"
    & skf21("5","2","4","5","1","3","7","1") = "6"
    & skf21("5","2","4","5","1","4","1","1") = "4"
    & skf21("5","2","4","5","1","4","2","1") = "4"
    & skf21("5","2","4","5","1","4","3","1") = "4"
    & skf21("5","2","4","5","1","4","4","1") = "4"
    & skf21("5","2","4","5","1","4","5","1") = "4"
    & skf21("5","2","4","5","1","4","6","1") = "5"
    & skf21("5","2","4","5","1","4","7","1") = "6"
    & skf21("5","2","4","5","1","5","1","1") = "4"
    & skf21("5","2","4","5","1","5","2","1") = "4"
    & skf21("5","2","4","5","1","5","3","1") = "4"
    & skf21("5","2","4","5","1","5","4","1") = "4"
    & skf21("5","2","4","5","1","5","5","1") = "4"
    & skf21("5","2","4","5","1","5","6","1") = "5"
    & skf21("5","2","4","5","1","5","7","1") = "6"
    & skf21("5","2","4","5","1","6","1","1") = "5"
    & skf21("5","2","4","5","1","6","2","1") = "5"
    & skf21("5","2","4","5","1","6","3","1") = "5"
    & skf21("5","2","4","5","1","6","4","1") = "5"
    & skf21("5","2","4","5","1","6","5","1") = "5"
    & skf21("5","2","4","5","1","6","6","1") = "5"
    & skf21("5","2","4","5","1","6","7","1") = "6"
    & skf21("5","2","4","5","1","7","1","1") = "6"
    & skf21("5","2","4","5","1","7","2","1") = "6"
    & skf21("5","2","4","5","1","7","3","1") = "6"
    & skf21("5","2","4","5","1","7","4","1") = "6"
    & skf21("5","2","4","5","1","7","5","1") = "6"
    & skf21("5","2","4","5","1","7","6","1") = "6"
    & skf21("5","2","4","5","1","7","7","1") = "6"
    & skf21("5","2","4","5","2","1","1","1") = "4"
    & skf21("5","2","4","5","2","1","2","1") = "4"
    & skf21("5","2","4","5","2","1","3","1") = "4"
    & skf21("5","2","4","5","2","1","4","1") = "4"
    & skf21("5","2","4","5","2","1","5","1") = "4"
    & skf21("5","2","4","5","2","1","6","1") = "5"
    & skf21("5","2","4","5","2","1","7","1") = "6"
    & skf21("5","2","4","5","2","2","1","1") = "4"
    & skf21("5","2","4","5","2","2","2","1") = "4"
    & skf21("5","2","4","5","2","2","3","1") = "4"
    & skf21("5","2","4","5","2","2","4","1") = "4"
    & skf21("5","2","4","5","2","2","5","1") = "4"
    & skf21("5","2","4","5","2","2","6","1") = "5"
    & skf21("5","2","4","5","2","2","7","1") = "6"
    & skf21("5","2","4","5","2","3","1","1") = "4"
    & skf21("5","2","4","5","2","3","2","1") = "4"
    & skf21("5","2","4","5","2","3","3","1") = "4"
    & skf21("5","2","4","5","2","3","4","1") = "4"
    & skf21("5","2","4","5","2","3","5","1") = "4"
    & skf21("5","2","4","5","2","3","6","1") = "5"
    & skf21("5","2","4","5","2","3","7","1") = "6"
    & skf21("5","2","4","5","2","4","1","1") = "4"
    & skf21("5","2","4","5","2","4","2","1") = "4"
    & skf21("5","2","4","5","2","4","3","1") = "4"
    & skf21("5","2","4","5","2","4","4","1") = "4"
    & skf21("5","2","4","5","2","4","5","1") = "4"
    & skf21("5","2","4","5","2","4","6","1") = "5"
    & skf21("5","2","4","5","2","4","7","1") = "6"
    & skf21("5","2","4","5","2","5","1","1") = "4"
    & skf21("5","2","4","5","2","5","2","1") = "4"
    & skf21("5","2","4","5","2","5","3","1") = "4"
    & skf21("5","2","4","5","2","5","4","1") = "4"
    & skf21("5","2","4","5","2","5","5","1") = "4"
    & skf21("5","2","4","5","2","5","6","1") = "5"
    & skf21("5","2","4","5","2","5","7","1") = "6"
    & skf21("5","2","4","5","2","6","1","1") = "5"
    & skf21("5","2","4","5","2","6","2","1") = "5"
    & skf21("5","2","4","5","2","6","3","1") = "5"
    & skf21("5","2","4","5","2","6","4","1") = "5"
    & skf21("5","2","4","5","2","6","5","1") = "5"
    & skf21("5","2","4","5","2","6","6","1") = "5"
    & skf21("5","2","4","5","2","6","7","1") = "6"
    & skf21("5","2","4","5","2","7","1","1") = "6"
    & skf21("5","2","4","5","2","7","2","1") = "6"
    & skf21("5","2","4","5","2","7","3","1") = "6"
    & skf21("5","2","4","5","2","7","4","1") = "6"
    & skf21("5","2","4","5","2","7","5","1") = "6"
    & skf21("5","2","4","5","2","7","6","1") = "6"
    & skf21("5","2","4","5","2","7","7","1") = "6"
    & skf21("5","2","4","5","3","1","1","1") = "4"
    & skf21("5","2","4","5","3","1","2","1") = "4"
    & skf21("5","2","4","5","3","1","3","1") = "4"
    & skf21("5","2","4","5","3","1","4","1") = "4"
    & skf21("5","2","4","5","3","1","5","1") = "4"
    & skf21("5","2","4","5","3","1","6","1") = "5"
    & skf21("5","2","4","5","3","1","7","1") = "6"
    & skf21("5","2","4","5","3","2","1","1") = "4"
    & skf21("5","2","4","5","3","2","2","1") = "4"
    & skf21("5","2","4","5","3","2","3","1") = "4"
    & skf21("5","2","4","5","3","2","4","1") = "4"
    & skf21("5","2","4","5","3","2","5","1") = "4"
    & skf21("5","2","4","5","3","2","6","1") = "5"
    & skf21("5","2","4","5","3","2","7","1") = "6"
    & skf21("5","2","4","5","3","3","1","1") = "4"
    & skf21("5","2","4","5","3","3","2","1") = "4"
    & skf21("5","2","4","5","3","3","3","1") = "4"
    & skf21("5","2","4","5","3","3","4","1") = "4"
    & skf21("5","2","4","5","3","3","5","1") = "4"
    & skf21("5","2","4","5","3","3","6","1") = "5"
    & skf21("5","2","4","5","3","3","7","1") = "6"
    & skf21("5","2","4","5","3","4","1","1") = "4"
    & skf21("5","2","4","5","3","4","2","1") = "4"
    & skf21("5","2","4","5","3","4","3","1") = "4"
    & skf21("5","2","4","5","3","4","4","1") = "4"
    & skf21("5","2","4","5","3","4","5","1") = "4"
    & skf21("5","2","4","5","3","4","6","1") = "5"
    & skf21("5","2","4","5","3","4","7","1") = "6"
    & skf21("5","2","4","5","3","5","1","1") = "4"
    & skf21("5","2","4","5","3","5","2","1") = "4"
    & skf21("5","2","4","5","3","5","3","1") = "4"
    & skf21("5","2","4","5","3","5","4","1") = "4"
    & skf21("5","2","4","5","3","5","5","1") = "4"
    & skf21("5","2","4","5","3","5","6","1") = "5"
    & skf21("5","2","4","5","3","5","7","1") = "6"
    & skf21("5","2","4","5","3","6","1","1") = "5"
    & skf21("5","2","4","5","3","6","2","1") = "5"
    & skf21("5","2","4","5","3","6","3","1") = "5"
    & skf21("5","2","4","5","3","6","4","1") = "5"
    & skf21("5","2","4","5","3","6","5","1") = "5"
    & skf21("5","2","4","5","3","6","6","1") = "5"
    & skf21("5","2","4","5","3","6","7","1") = "6"
    & skf21("5","2","4","5","3","7","1","1") = "6"
    & skf21("5","2","4","5","3","7","2","1") = "6"
    & skf21("5","2","4","5","3","7","3","1") = "6"
    & skf21("5","2","4","5","3","7","4","1") = "6"
    & skf21("5","2","4","5","3","7","5","1") = "6"
    & skf21("5","2","4","5","3","7","6","1") = "6"
    & skf21("5","2","4","5","3","7","7","1") = "6"
    & skf21("5","2","4","5","4","1","1","1") = "4"
    & skf21("5","2","4","5","4","1","2","1") = "4"
    & skf21("5","2","4","5","4","1","3","1") = "4"
    & skf21("5","2","4","5","4","1","4","1") = "4"
    & skf21("5","2","4","5","4","1","5","1") = "4"
    & skf21("5","2","4","5","4","1","6","1") = "5"
    & skf21("5","2","4","5","4","1","7","1") = "6"
    & skf21("5","2","4","5","4","2","1","1") = "4"
    & skf21("5","2","4","5","4","2","2","1") = "4"
    & skf21("5","2","4","5","4","2","3","1") = "4"
    & skf21("5","2","4","5","4","2","4","1") = "4"
    & skf21("5","2","4","5","4","2","5","1") = "4"
    & skf21("5","2","4","5","4","2","6","1") = "5"
    & skf21("5","2","4","5","4","2","7","1") = "6"
    & skf21("5","2","4","5","4","3","1","1") = "4"
    & skf21("5","2","4","5","4","3","2","1") = "4"
    & skf21("5","2","4","5","4","3","3","1") = "4"
    & skf21("5","2","4","5","4","3","4","1") = "4"
    & skf21("5","2","4","5","4","3","5","1") = "4"
    & skf21("5","2","4","5","4","3","6","1") = "5"
    & skf21("5","2","4","5","4","3","7","1") = "6"
    & skf21("5","2","4","5","4","4","1","1") = "4"
    & skf21("5","2","4","5","4","4","2","1") = "4"
    & skf21("5","2","4","5","4","4","3","1") = "4"
    & skf21("5","2","4","5","4","4","4","1") = "4"
    & skf21("5","2","4","5","4","4","5","1") = "4"
    & skf21("5","2","4","5","4","4","6","1") = "5"
    & skf21("5","2","4","5","4","4","7","1") = "6"
    & skf21("5","2","4","5","4","5","1","1") = "4"
    & skf21("5","2","4","5","4","5","2","1") = "4"
    & skf21("5","2","4","5","4","5","3","1") = "4"
    & skf21("5","2","4","5","4","5","4","1") = "4"
    & skf21("5","2","4","5","4","5","5","1") = "4"
    & skf21("5","2","4","5","4","5","6","1") = "5"
    & skf21("5","2","4","5","4","5","7","1") = "6"
    & skf21("5","2","4","5","4","6","1","1") = "5"
    & skf21("5","2","4","5","4","6","2","1") = "5"
    & skf21("5","2","4","5","4","6","3","1") = "5"
    & skf21("5","2","4","5","4","6","4","1") = "5"
    & skf21("5","2","4","5","4","6","5","1") = "5"
    & skf21("5","2","4","5","4","6","6","1") = "5"
    & skf21("5","2","4","5","4","6","7","1") = "6"
    & skf21("5","2","4","5","4","7","1","1") = "6"
    & skf21("5","2","4","5","4","7","2","1") = "6"
    & skf21("5","2","4","5","4","7","3","1") = "6"
    & skf21("5","2","4","5","4","7","4","1") = "6"
    & skf21("5","2","4","5","4","7","5","1") = "6"
    & skf21("5","2","4","5","4","7","6","1") = "6"
    & skf21("5","2","4","5","4","7","7","1") = "6"
    & skf21("5","2","4","5","5","1","1","1") = "4"
    & skf21("5","2","4","5","5","1","2","1") = "4"
    & skf21("5","2","4","5","5","1","3","1") = "4"
    & skf21("5","2","4","5","5","1","4","1") = "4"
    & skf21("5","2","4","5","5","1","5","1") = "4"
    & skf21("5","2","4","5","5","1","6","1") = "5"
    & skf21("5","2","4","5","5","1","7","1") = "6"
    & skf21("5","2","4","5","5","2","1","1") = "4"
    & skf21("5","2","4","5","5","2","2","1") = "4"
    & skf21("5","2","4","5","5","2","3","1") = "4"
    & skf21("5","2","4","5","5","2","4","1") = "4"
    & skf21("5","2","4","5","5","2","5","1") = "4"
    & skf21("5","2","4","5","5","2","6","1") = "5"
    & skf21("5","2","4","5","5","2","7","1") = "6"
    & skf21("5","2","4","5","5","3","1","1") = "4"
    & skf21("5","2","4","5","5","3","2","1") = "4"
    & skf21("5","2","4","5","5","3","3","1") = "4"
    & skf21("5","2","4","5","5","3","4","1") = "4"
    & skf21("5","2","4","5","5","3","5","1") = "4"
    & skf21("5","2","4","5","5","3","6","1") = "5"
    & skf21("5","2","4","5","5","3","7","1") = "6"
    & skf21("5","2","4","5","5","4","1","1") = "4"
    & skf21("5","2","4","5","5","4","2","1") = "4"
    & skf21("5","2","4","5","5","4","3","1") = "4"
    & skf21("5","2","4","5","5","4","4","1") = "4"
    & skf21("5","2","4","5","5","4","5","1") = "4"
    & skf21("5","2","4","5","5","4","6","1") = "5"
    & skf21("5","2","4","5","5","4","7","1") = "6"
    & skf21("5","2","4","5","5","5","1","1") = "4"
    & skf21("5","2","4","5","5","5","2","1") = "4"
    & skf21("5","2","4","5","5","5","3","1") = "4"
    & skf21("5","2","4","5","5","5","4","1") = "4"
    & skf21("5","2","4","5","5","5","5","1") = "4"
    & skf21("5","2","4","5","5","5","6","1") = "5"
    & skf21("5","2","4","5","5","5","7","1") = "6"
    & skf21("5","2","4","5","5","6","1","1") = "5"
    & skf21("5","2","4","5","5","6","2","1") = "5"
    & skf21("5","2","4","5","5","6","3","1") = "5"
    & skf21("5","2","4","5","5","6","4","1") = "5"
    & skf21("5","2","4","5","5","6","5","1") = "5"
    & skf21("5","2","4","5","5","6","6","1") = "5"
    & skf21("5","2","4","5","5","6","7","1") = "6"
    & skf21("5","2","4","5","5","7","1","1") = "6"
    & skf21("5","2","4","5","5","7","2","1") = "6"
    & skf21("5","2","4","5","5","7","3","1") = "6"
    & skf21("5","2","4","5","5","7","4","1") = "6"
    & skf21("5","2","4","5","5","7","5","1") = "6"
    & skf21("5","2","4","5","5","7","6","1") = "6"
    & skf21("5","2","4","5","5","7","7","1") = "6"
    & skf21("5","2","4","5","6","1","1","1") = "5"
    & skf21("5","2","4","5","6","1","2","1") = "5"
    & skf21("5","2","4","5","6","1","3","1") = "5"
    & skf21("5","2","4","5","6","1","4","1") = "5"
    & skf21("5","2","4","5","6","1","5","1") = "5"
    & skf21("5","2","4","5","6","1","6","1") = "5"
    & skf21("5","2","4","5","6","1","7","1") = "6"
    & skf21("5","2","4","5","6","2","1","1") = "5"
    & skf21("5","2","4","5","6","2","2","1") = "5"
    & skf21("5","2","4","5","6","2","3","1") = "5"
    & skf21("5","2","4","5","6","2","4","1") = "5"
    & skf21("5","2","4","5","6","2","5","1") = "5"
    & skf21("5","2","4","5","6","2","6","1") = "5"
    & skf21("5","2","4","5","6","2","7","1") = "6"
    & skf21("5","2","4","5","6","3","1","1") = "5"
    & skf21("5","2","4","5","6","3","2","1") = "5"
    & skf21("5","2","4","5","6","3","3","1") = "5"
    & skf21("5","2","4","5","6","3","4","1") = "5"
    & skf21("5","2","4","5","6","3","5","1") = "5"
    & skf21("5","2","4","5","6","3","6","1") = "5"
    & skf21("5","2","4","5","6","3","7","1") = "6"
    & skf21("5","2","4","5","6","4","1","1") = "5"
    & skf21("5","2","4","5","6","4","2","1") = "5"
    & skf21("5","2","4","5","6","4","3","1") = "5"
    & skf21("5","2","4","5","6","4","4","1") = "5"
    & skf21("5","2","4","5","6","4","5","1") = "5"
    & skf21("5","2","4","5","6","4","6","1") = "5"
    & skf21("5","2","4","5","6","4","7","1") = "6"
    & skf21("5","2","4","5","6","5","1","1") = "5"
    & skf21("5","2","4","5","6","5","2","1") = "5"
    & skf21("5","2","4","5","6","5","3","1") = "5"
    & skf21("5","2","4","5","6","5","4","1") = "5"
    & skf21("5","2","4","5","6","5","5","1") = "5"
    & skf21("5","2","4","5","6","5","6","1") = "5"
    & skf21("5","2","4","5","6","5","7","1") = "6"
    & skf21("5","2","4","5","6","6","1","1") = "5"
    & skf21("5","2","4","5","6","6","2","1") = "5"
    & skf21("5","2","4","5","6","6","3","1") = "5"
    & skf21("5","2","4","5","6","6","4","1") = "5"
    & skf21("5","2","4","5","6","6","5","1") = "5"
    & skf21("5","2","4","5","6","6","6","1") = "5"
    & skf21("5","2","4","5","6","6","7","1") = "6"
    & skf21("5","2","4","5","6","7","1","1") = "6"
    & skf21("5","2","4","5","6","7","2","1") = "6"
    & skf21("5","2","4","5","6","7","3","1") = "6"
    & skf21("5","2","4","5","6","7","4","1") = "6"
    & skf21("5","2","4","5","6","7","5","1") = "6"
    & skf21("5","2","4","5","6","7","6","1") = "6"
    & skf21("5","2","4","5","6","7","7","1") = "6"
    & skf21("5","2","4","5","7","1","1","1") = "6"
    & skf21("5","2","4","5","7","1","2","1") = "6"
    & skf21("5","2","4","5","7","1","3","1") = "6"
    & skf21("5","2","4","5","7","1","4","1") = "6"
    & skf21("5","2","4","5","7","1","5","1") = "6"
    & skf21("5","2","4","5","7","1","6","1") = "6"
    & skf21("5","2","4","5","7","1","7","1") = "6"
    & skf21("5","2","4","5","7","2","1","1") = "6"
    & skf21("5","2","4","5","7","2","2","1") = "6"
    & skf21("5","2","4","5","7","2","3","1") = "6"
    & skf21("5","2","4","5","7","2","4","1") = "6"
    & skf21("5","2","4","5","7","2","5","1") = "6"
    & skf21("5","2","4","5","7","2","6","1") = "6"
    & skf21("5","2","4","5","7","2","7","1") = "6"
    & skf21("5","2","4","5","7","3","1","1") = "6"
    & skf21("5","2","4","5","7","3","2","1") = "6"
    & skf21("5","2","4","5","7","3","3","1") = "6"
    & skf21("5","2","4","5","7","3","4","1") = "6"
    & skf21("5","2","4","5","7","3","5","1") = "6"
    & skf21("5","2","4","5","7","3","6","1") = "6"
    & skf21("5","2","4","5","7","3","7","1") = "6"
    & skf21("5","2","4","5","7","4","1","1") = "6"
    & skf21("5","2","4","5","7","4","2","1") = "6"
    & skf21("5","2","4","5","7","4","3","1") = "6"
    & skf21("5","2","4","5","7","4","4","1") = "6"
    & skf21("5","2","4","5","7","4","5","1") = "6"
    & skf21("5","2","4","5","7","4","6","1") = "6"
    & skf21("5","2","4","5","7","4","7","1") = "6"
    & skf21("5","2","4","5","7","5","1","1") = "6"
    & skf21("5","2","4","5","7","5","2","1") = "6"
    & skf21("5","2","4","5","7","5","3","1") = "6"
    & skf21("5","2","4","5","7","5","4","1") = "6"
    & skf21("5","2","4","5","7","5","5","1") = "6"
    & skf21("5","2","4","5","7","5","6","1") = "6"
    & skf21("5","2","4","5","7","5","7","1") = "6"
    & skf21("5","2","4","5","7","6","1","1") = "6"
    & skf21("5","2","4","5","7","6","2","1") = "6"
    & skf21("5","2","4","5","7","6","3","1") = "6"
    & skf21("5","2","4","5","7","6","4","1") = "6"
    & skf21("5","2","4","5","7","6","5","1") = "6"
    & skf21("5","2","4","5","7","6","6","1") = "6"
    & skf21("5","2","4","5","7","6","7","1") = "6"
    & skf21("5","2","4","5","7","7","1","1") = "6"
    & skf21("5","2","4","5","7","7","2","1") = "6"
    & skf21("5","2","4","5","7","7","3","1") = "6"
    & skf21("5","2","4","5","7","7","4","1") = "6"
    & skf21("5","2","4","5","7","7","5","1") = "6"
    & skf21("5","2","4","5","7","7","6","1") = "6"
    & skf21("5","2","4","5","7","7","7","1") = "6"
    & skf21("5","2","4","6","1","1","1","1") = "5"
    & skf21("5","2","4","6","1","1","2","1") = "5"
    & skf21("5","2","4","6","1","1","3","1") = "5"
    & skf21("5","2","4","6","1","1","4","1") = "5"
    & skf21("5","2","4","6","1","1","5","1") = "5"
    & skf21("5","2","4","6","1","1","6","1") = "5"
    & skf21("5","2","4","6","1","1","7","1") = "6"
    & skf21("5","2","4","6","1","2","1","1") = "5"
    & skf21("5","2","4","6","1","2","2","1") = "5"
    & skf21("5","2","4","6","1","2","3","1") = "5"
    & skf21("5","2","4","6","1","2","4","1") = "5"
    & skf21("5","2","4","6","1","2","5","1") = "5"
    & skf21("5","2","4","6","1","2","6","1") = "5"
    & skf21("5","2","4","6","1","2","7","1") = "6"
    & skf21("5","2","4","6","1","3","1","1") = "5"
    & skf21("5","2","4","6","1","3","2","1") = "5"
    & skf21("5","2","4","6","1","3","3","1") = "5"
    & skf21("5","2","4","6","1","3","4","1") = "5"
    & skf21("5","2","4","6","1","3","5","1") = "5"
    & skf21("5","2","4","6","1","3","6","1") = "5"
    & skf21("5","2","4","6","1","3","7","1") = "6"
    & skf21("5","2","4","6","1","4","1","1") = "5"
    & skf21("5","2","4","6","1","4","2","1") = "5"
    & skf21("5","2","4","6","1","4","3","1") = "5"
    & skf21("5","2","4","6","1","4","4","1") = "5"
    & skf21("5","2","4","6","1","4","5","1") = "5"
    & skf21("5","2","4","6","1","4","6","1") = "5"
    & skf21("5","2","4","6","1","4","7","1") = "6"
    & skf21("5","2","4","6","1","5","1","1") = "5"
    & skf21("5","2","4","6","1","5","2","1") = "5"
    & skf21("5","2","4","6","1","5","3","1") = "5"
    & skf21("5","2","4","6","1","5","4","1") = "5"
    & skf21("5","2","4","6","1","5","5","1") = "5"
    & skf21("5","2","4","6","1","5","6","1") = "5"
    & skf21("5","2","4","6","1","5","7","1") = "6"
    & skf21("5","2","4","6","1","6","1","1") = "5"
    & skf21("5","2","4","6","1","6","2","1") = "5"
    & skf21("5","2","4","6","1","6","3","1") = "5"
    & skf21("5","2","4","6","1","6","4","1") = "5"
    & skf21("5","2","4","6","1","6","5","1") = "5"
    & skf21("5","2","4","6","1","6","6","1") = "5"
    & skf21("5","2","4","6","1","6","7","1") = "6"
    & skf21("5","2","4","6","1","7","1","1") = "6"
    & skf21("5","2","4","6","1","7","2","1") = "6"
    & skf21("5","2","4","6","1","7","3","1") = "6"
    & skf21("5","2","4","6","1","7","4","1") = "6"
    & skf21("5","2","4","6","1","7","5","1") = "6"
    & skf21("5","2","4","6","1","7","6","1") = "6"
    & skf21("5","2","4","6","1","7","7","1") = "6"
    & skf21("5","2","4","6","2","1","1","1") = "5"
    & skf21("5","2","4","6","2","1","2","1") = "5"
    & skf21("5","2","4","6","2","1","3","1") = "5"
    & skf21("5","2","4","6","2","1","4","1") = "5"
    & skf21("5","2","4","6","2","1","5","1") = "5"
    & skf21("5","2","4","6","2","1","6","1") = "5"
    & skf21("5","2","4","6","2","1","7","1") = "6"
    & skf21("5","2","4","6","2","2","1","1") = "5"
    & skf21("5","2","4","6","2","2","2","1") = "5"
    & skf21("5","2","4","6","2","2","3","1") = "5"
    & skf21("5","2","4","6","2","2","4","1") = "5"
    & skf21("5","2","4","6","2","2","5","1") = "5"
    & skf21("5","2","4","6","2","2","6","1") = "5"
    & skf21("5","2","4","6","2","2","7","1") = "6"
    & skf21("5","2","4","6","2","3","1","1") = "5"
    & skf21("5","2","4","6","2","3","2","1") = "5"
    & skf21("5","2","4","6","2","3","3","1") = "5"
    & skf21("5","2","4","6","2","3","4","1") = "5"
    & skf21("5","2","4","6","2","3","5","1") = "5"
    & skf21("5","2","4","6","2","3","6","1") = "5"
    & skf21("5","2","4","6","2","3","7","1") = "6"
    & skf21("5","2","4","6","2","4","1","1") = "5"
    & skf21("5","2","4","6","2","4","2","1") = "5"
    & skf21("5","2","4","6","2","4","3","1") = "5"
    & skf21("5","2","4","6","2","4","4","1") = "5"
    & skf21("5","2","4","6","2","4","5","1") = "5"
    & skf21("5","2","4","6","2","4","6","1") = "5"
    & skf21("5","2","4","6","2","4","7","1") = "6"
    & skf21("5","2","4","6","2","5","1","1") = "5"
    & skf21("5","2","4","6","2","5","2","1") = "5"
    & skf21("5","2","4","6","2","5","3","1") = "5"
    & skf21("5","2","4","6","2","5","4","1") = "5"
    & skf21("5","2","4","6","2","5","5","1") = "5"
    & skf21("5","2","4","6","2","5","6","1") = "5"
    & skf21("5","2","4","6","2","5","7","1") = "6"
    & skf21("5","2","4","6","2","6","1","1") = "5"
    & skf21("5","2","4","6","2","6","2","1") = "5"
    & skf21("5","2","4","6","2","6","3","1") = "5"
    & skf21("5","2","4","6","2","6","4","1") = "5"
    & skf21("5","2","4","6","2","6","5","1") = "5"
    & skf21("5","2","4","6","2","6","6","1") = "5"
    & skf21("5","2","4","6","2","6","7","1") = "6"
    & skf21("5","2","4","6","2","7","1","1") = "6"
    & skf21("5","2","4","6","2","7","2","1") = "6"
    & skf21("5","2","4","6","2","7","3","1") = "6"
    & skf21("5","2","4","6","2","7","4","1") = "6"
    & skf21("5","2","4","6","2","7","5","1") = "6"
    & skf21("5","2","4","6","2","7","6","1") = "6"
    & skf21("5","2","4","6","2","7","7","1") = "6"
    & skf21("5","2","4","6","3","1","1","1") = "5"
    & skf21("5","2","4","6","3","1","2","1") = "5"
    & skf21("5","2","4","6","3","1","3","1") = "5"
    & skf21("5","2","4","6","3","1","4","1") = "5"
    & skf21("5","2","4","6","3","1","5","1") = "5"
    & skf21("5","2","4","6","3","1","6","1") = "5"
    & skf21("5","2","4","6","3","1","7","1") = "6"
    & skf21("5","2","4","6","3","2","1","1") = "5"
    & skf21("5","2","4","6","3","2","2","1") = "5"
    & skf21("5","2","4","6","3","2","3","1") = "5"
    & skf21("5","2","4","6","3","2","4","1") = "5"
    & skf21("5","2","4","6","3","2","5","1") = "5"
    & skf21("5","2","4","6","3","2","6","1") = "5"
    & skf21("5","2","4","6","3","2","7","1") = "6"
    & skf21("5","2","4","6","3","3","1","1") = "5"
    & skf21("5","2","4","6","3","3","2","1") = "5"
    & skf21("5","2","4","6","3","3","3","1") = "5"
    & skf21("5","2","4","6","3","3","4","1") = "5"
    & skf21("5","2","4","6","3","3","5","1") = "5"
    & skf21("5","2","4","6","3","3","6","1") = "5"
    & skf21("5","2","4","6","3","3","7","1") = "6"
    & skf21("5","2","4","6","3","4","1","1") = "5"
    & skf21("5","2","4","6","3","4","2","1") = "5"
    & skf21("5","2","4","6","3","4","3","1") = "5"
    & skf21("5","2","4","6","3","4","4","1") = "5"
    & skf21("5","2","4","6","3","4","5","1") = "5"
    & skf21("5","2","4","6","3","4","6","1") = "5"
    & skf21("5","2","4","6","3","4","7","1") = "6"
    & skf21("5","2","4","6","3","5","1","1") = "5"
    & skf21("5","2","4","6","3","5","2","1") = "5"
    & skf21("5","2","4","6","3","5","3","1") = "5"
    & skf21("5","2","4","6","3","5","4","1") = "5"
    & skf21("5","2","4","6","3","5","5","1") = "5"
    & skf21("5","2","4","6","3","5","6","1") = "5"
    & skf21("5","2","4","6","3","5","7","1") = "6"
    & skf21("5","2","4","6","3","6","1","1") = "5"
    & skf21("5","2","4","6","3","6","2","1") = "5"
    & skf21("5","2","4","6","3","6","3","1") = "5"
    & skf21("5","2","4","6","3","6","4","1") = "5"
    & skf21("5","2","4","6","3","6","5","1") = "5"
    & skf21("5","2","4","6","3","6","6","1") = "5"
    & skf21("5","2","4","6","3","6","7","1") = "6"
    & skf21("5","2","4","6","3","7","1","1") = "6"
    & skf21("5","2","4","6","3","7","2","1") = "6"
    & skf21("5","2","4","6","3","7","3","1") = "6"
    & skf21("5","2","4","6","3","7","4","1") = "6"
    & skf21("5","2","4","6","3","7","5","1") = "6"
    & skf21("5","2","4","6","3","7","6","1") = "6"
    & skf21("5","2","4","6","3","7","7","1") = "6"
    & skf21("5","2","4","6","4","1","1","1") = "5"
    & skf21("5","2","4","6","4","1","2","1") = "5"
    & skf21("5","2","4","6","4","1","3","1") = "5"
    & skf21("5","2","4","6","4","1","4","1") = "5"
    & skf21("5","2","4","6","4","1","5","1") = "5"
    & skf21("5","2","4","6","4","1","6","1") = "5"
    & skf21("5","2","4","6","4","1","7","1") = "6"
    & skf21("5","2","4","6","4","2","1","1") = "5"
    & skf21("5","2","4","6","4","2","2","1") = "5"
    & skf21("5","2","4","6","4","2","3","1") = "5"
    & skf21("5","2","4","6","4","2","4","1") = "5"
    & skf21("5","2","4","6","4","2","5","1") = "5"
    & skf21("5","2","4","6","4","2","6","1") = "5"
    & skf21("5","2","4","6","4","2","7","1") = "6"
    & skf21("5","2","4","6","4","3","1","1") = "5"
    & skf21("5","2","4","6","4","3","2","1") = "5"
    & skf21("5","2","4","6","4","3","3","1") = "5"
    & skf21("5","2","4","6","4","3","4","1") = "5"
    & skf21("5","2","4","6","4","3","5","1") = "5"
    & skf21("5","2","4","6","4","3","6","1") = "5"
    & skf21("5","2","4","6","4","3","7","1") = "6"
    & skf21("5","2","4","6","4","4","1","1") = "5"
    & skf21("5","2","4","6","4","4","2","1") = "5"
    & skf21("5","2","4","6","4","4","3","1") = "5"
    & skf21("5","2","4","6","4","4","4","1") = "5"
    & skf21("5","2","4","6","4","4","5","1") = "5"
    & skf21("5","2","4","6","4","4","6","1") = "5"
    & skf21("5","2","4","6","4","4","7","1") = "6"
    & skf21("5","2","4","6","4","5","1","1") = "5"
    & skf21("5","2","4","6","4","5","2","1") = "5"
    & skf21("5","2","4","6","4","5","3","1") = "5"
    & skf21("5","2","4","6","4","5","4","1") = "5"
    & skf21("5","2","4","6","4","5","5","1") = "5"
    & skf21("5","2","4","6","4","5","6","1") = "5"
    & skf21("5","2","4","6","4","5","7","1") = "6"
    & skf21("5","2","4","6","4","6","1","1") = "5"
    & skf21("5","2","4","6","4","6","2","1") = "5"
    & skf21("5","2","4","6","4","6","3","1") = "5"
    & skf21("5","2","4","6","4","6","4","1") = "5"
    & skf21("5","2","4","6","4","6","5","1") = "5"
    & skf21("5","2","4","6","4","6","6","1") = "5"
    & skf21("5","2","4","6","4","6","7","1") = "6"
    & skf21("5","2","4","6","4","7","1","1") = "6"
    & skf21("5","2","4","6","4","7","2","1") = "6"
    & skf21("5","2","4","6","4","7","3","1") = "6"
    & skf21("5","2","4","6","4","7","4","1") = "6"
    & skf21("5","2","4","6","4","7","5","1") = "6"
    & skf21("5","2","4","6","4","7","6","1") = "6"
    & skf21("5","2","4","6","4","7","7","1") = "6"
    & skf21("5","2","4","6","5","1","1","1") = "5"
    & skf21("5","2","4","6","5","1","2","1") = "5"
    & skf21("5","2","4","6","5","1","3","1") = "5"
    & skf21("5","2","4","6","5","1","4","1") = "5"
    & skf21("5","2","4","6","5","1","5","1") = "5"
    & skf21("5","2","4","6","5","1","6","1") = "5"
    & skf21("5","2","4","6","5","1","7","1") = "6"
    & skf21("5","2","4","6","5","2","1","1") = "5"
    & skf21("5","2","4","6","5","2","2","1") = "5"
    & skf21("5","2","4","6","5","2","3","1") = "5"
    & skf21("5","2","4","6","5","2","4","1") = "5"
    & skf21("5","2","4","6","5","2","5","1") = "5"
    & skf21("5","2","4","6","5","2","6","1") = "5"
    & skf21("5","2","4","6","5","2","7","1") = "6"
    & skf21("5","2","4","6","5","3","1","1") = "5"
    & skf21("5","2","4","6","5","3","2","1") = "5"
    & skf21("5","2","4","6","5","3","3","1") = "5"
    & skf21("5","2","4","6","5","3","4","1") = "5"
    & skf21("5","2","4","6","5","3","5","1") = "5"
    & skf21("5","2","4","6","5","3","6","1") = "5"
    & skf21("5","2","4","6","5","3","7","1") = "6"
    & skf21("5","2","4","6","5","4","1","1") = "5"
    & skf21("5","2","4","6","5","4","2","1") = "5"
    & skf21("5","2","4","6","5","4","3","1") = "5"
    & skf21("5","2","4","6","5","4","4","1") = "5"
    & skf21("5","2","4","6","5","4","5","1") = "5"
    & skf21("5","2","4","6","5","4","6","1") = "5"
    & skf21("5","2","4","6","5","4","7","1") = "6"
    & skf21("5","2","4","6","5","5","1","1") = "5"
    & skf21("5","2","4","6","5","5","2","1") = "5"
    & skf21("5","2","4","6","5","5","3","1") = "5"
    & skf21("5","2","4","6","5","5","4","1") = "5"
    & skf21("5","2","4","6","5","5","5","1") = "5"
    & skf21("5","2","4","6","5","5","6","1") = "5"
    & skf21("5","2","4","6","5","5","7","1") = "6"
    & skf21("5","2","4","6","5","6","1","1") = "5"
    & skf21("5","2","4","6","5","6","2","1") = "5"
    & skf21("5","2","4","6","5","6","3","1") = "5"
    & skf21("5","2","4","6","5","6","4","1") = "5"
    & skf21("5","2","4","6","5","6","5","1") = "5"
    & skf21("5","2","4","6","5","6","6","1") = "5"
    & skf21("5","2","4","6","5","6","7","1") = "6"
    & skf21("5","2","4","6","5","7","1","1") = "6"
    & skf21("5","2","4","6","5","7","2","1") = "6"
    & skf21("5","2","4","6","5","7","3","1") = "6"
    & skf21("5","2","4","6","5","7","4","1") = "6"
    & skf21("5","2","4","6","5","7","5","1") = "6"
    & skf21("5","2","4","6","5","7","6","1") = "6"
    & skf21("5","2","4","6","5","7","7","1") = "6"
    & skf21("5","2","4","6","6","1","1","1") = "5"
    & skf21("5","2","4","6","6","1","2","1") = "5"
    & skf21("5","2","4","6","6","1","3","1") = "5"
    & skf21("5","2","4","6","6","1","4","1") = "5"
    & skf21("5","2","4","6","6","1","5","1") = "5"
    & skf21("5","2","4","6","6","1","6","1") = "5"
    & skf21("5","2","4","6","6","1","7","1") = "6"
    & skf21("5","2","4","6","6","2","1","1") = "5"
    & skf21("5","2","4","6","6","2","2","1") = "5"
    & skf21("5","2","4","6","6","2","3","1") = "5"
    & skf21("5","2","4","6","6","2","4","1") = "5"
    & skf21("5","2","4","6","6","2","5","1") = "5"
    & skf21("5","2","4","6","6","2","6","1") = "5"
    & skf21("5","2","4","6","6","2","7","1") = "6"
    & skf21("5","2","4","6","6","3","1","1") = "5"
    & skf21("5","2","4","6","6","3","2","1") = "5"
    & skf21("5","2","4","6","6","3","3","1") = "5"
    & skf21("5","2","4","6","6","3","4","1") = "5"
    & skf21("5","2","4","6","6","3","5","1") = "5"
    & skf21("5","2","4","6","6","3","6","1") = "5"
    & skf21("5","2","4","6","6","3","7","1") = "6"
    & skf21("5","2","4","6","6","4","1","1") = "5"
    & skf21("5","2","4","6","6","4","2","1") = "5"
    & skf21("5","2","4","6","6","4","3","1") = "5"
    & skf21("5","2","4","6","6","4","4","1") = "5"
    & skf21("5","2","4","6","6","4","5","1") = "5"
    & skf21("5","2","4","6","6","4","6","1") = "5"
    & skf21("5","2","4","6","6","4","7","1") = "6"
    & skf21("5","2","4","6","6","5","1","1") = "5"
    & skf21("5","2","4","6","6","5","2","1") = "5"
    & skf21("5","2","4","6","6","5","3","1") = "5"
    & skf21("5","2","4","6","6","5","4","1") = "5"
    & skf21("5","2","4","6","6","5","5","1") = "5"
    & skf21("5","2","4","6","6","5","6","1") = "5"
    & skf21("5","2","4","6","6","5","7","1") = "6"
    & skf21("5","2","4","6","6","6","1","1") = "5"
    & skf21("5","2","4","6","6","6","2","1") = "5"
    & skf21("5","2","4","6","6","6","3","1") = "5"
    & skf21("5","2","4","6","6","6","4","1") = "5"
    & skf21("5","2","4","6","6","6","5","1") = "5"
    & skf21("5","2","4","6","6","6","6","1") = "5"
    & skf21("5","2","4","6","6","6","7","1") = "6"
    & skf21("5","2","4","6","6","7","1","1") = "6"
    & skf21("5","2","4","6","6","7","2","1") = "6"
    & skf21("5","2","4","6","6","7","3","1") = "6"
    & skf21("5","2","4","6","6","7","4","1") = "6"
    & skf21("5","2","4","6","6","7","5","1") = "6"
    & skf21("5","2","4","6","6","7","6","1") = "6"
    & skf21("5","2","4","6","6","7","7","1") = "6"
    & skf21("5","2","4","6","7","1","1","1") = "6"
    & skf21("5","2","4","6","7","1","2","1") = "6"
    & skf21("5","2","4","6","7","1","3","1") = "6"
    & skf21("5","2","4","6","7","1","4","1") = "6"
    & skf21("5","2","4","6","7","1","5","1") = "6"
    & skf21("5","2","4","6","7","1","6","1") = "6"
    & skf21("5","2","4","6","7","1","7","1") = "6"
    & skf21("5","2","4","6","7","2","1","1") = "6"
    & skf21("5","2","4","6","7","2","2","1") = "6"
    & skf21("5","2","4","6","7","2","3","1") = "6"
    & skf21("5","2","4","6","7","2","4","1") = "6"
    & skf21("5","2","4","6","7","2","5","1") = "6"
    & skf21("5","2","4","6","7","2","6","1") = "6"
    & skf21("5","2","4","6","7","2","7","1") = "6"
    & skf21("5","2","4","6","7","3","1","1") = "6"
    & skf21("5","2","4","6","7","3","2","1") = "6"
    & skf21("5","2","4","6","7","3","3","1") = "6"
    & skf21("5","2","4","6","7","3","4","1") = "6"
    & skf21("5","2","4","6","7","3","5","1") = "6"
    & skf21("5","2","4","6","7","3","6","1") = "6"
    & skf21("5","2","4","6","7","3","7","1") = "6"
    & skf21("5","2","4","6","7","4","1","1") = "6"
    & skf21("5","2","4","6","7","4","2","1") = "6"
    & skf21("5","2","4","6","7","4","3","1") = "6"
    & skf21("5","2","4","6","7","4","4","1") = "6"
    & skf21("5","2","4","6","7","4","5","1") = "6"
    & skf21("5","2","4","6","7","4","6","1") = "6"
    & skf21("5","2","4","6","7","4","7","1") = "6"
    & skf21("5","2","4","6","7","5","1","1") = "6"
    & skf21("5","2","4","6","7","5","2","1") = "6"
    & skf21("5","2","4","6","7","5","3","1") = "6"
    & skf21("5","2","4","6","7","5","4","1") = "6"
    & skf21("5","2","4","6","7","5","5","1") = "6"
    & skf21("5","2","4","6","7","5","6","1") = "6"
    & skf21("5","2","4","6","7","5","7","1") = "6"
    & skf21("5","2","4","6","7","6","1","1") = "6"
    & skf21("5","2","4","6","7","6","2","1") = "6"
    & skf21("5","2","4","6","7","6","3","1") = "6"
    & skf21("5","2","4","6","7","6","4","1") = "6"
    & skf21("5","2","4","6","7","6","5","1") = "6"
    & skf21("5","2","4","6","7","6","6","1") = "6"
    & skf21("5","2","4","6","7","6","7","1") = "6"
    & skf21("5","2","4","6","7","7","1","1") = "6"
    & skf21("5","2","4","6","7","7","2","1") = "6"
    & skf21("5","2","4","6","7","7","3","1") = "6"
    & skf21("5","2","4","6","7","7","4","1") = "6"
    & skf21("5","2","4","6","7","7","5","1") = "6"
    & skf21("5","2","4","6","7","7","6","1") = "6"
    & skf21("5","2","4","6","7","7","7","1") = "6"
    & skf21("5","2","4","7","1","1","1","1") = "6"
    & skf21("5","2","4","7","1","1","2","1") = "6"
    & skf21("5","2","4","7","1","1","3","1") = "6"
    & skf21("5","2","4","7","1","1","4","1") = "6"
    & skf21("5","2","4","7","1","1","5","1") = "6"
    & skf21("5","2","4","7","1","1","6","1") = "6"
    & skf21("5","2","4","7","1","1","7","1") = "6"
    & skf21("5","2","4","7","1","2","1","1") = "6"
    & skf21("5","2","4","7","1","2","2","1") = "6"
    & skf21("5","2","4","7","1","2","3","1") = "6"
    & skf21("5","2","4","7","1","2","4","1") = "6"
    & skf21("5","2","4","7","1","2","5","1") = "6"
    & skf21("5","2","4","7","1","2","6","1") = "6"
    & skf21("5","2","4","7","1","2","7","1") = "6"
    & skf21("5","2","4","7","1","3","1","1") = "6"
    & skf21("5","2","4","7","1","3","2","1") = "6"
    & skf21("5","2","4","7","1","3","3","1") = "6"
    & skf21("5","2","4","7","1","3","4","1") = "6"
    & skf21("5","2","4","7","1","3","5","1") = "6"
    & skf21("5","2","4","7","1","3","6","1") = "6"
    & skf21("5","2","4","7","1","3","7","1") = "6"
    & skf21("5","2","4","7","1","4","1","1") = "6"
    & skf21("5","2","4","7","1","4","2","1") = "6"
    & skf21("5","2","4","7","1","4","3","1") = "6"
    & skf21("5","2","4","7","1","4","4","1") = "6"
    & skf21("5","2","4","7","1","4","5","1") = "6"
    & skf21("5","2","4","7","1","4","6","1") = "6"
    & skf21("5","2","4","7","1","4","7","1") = "6"
    & skf21("5","2","4","7","1","5","1","1") = "6"
    & skf21("5","2","4","7","1","5","2","1") = "6"
    & skf21("5","2","4","7","1","5","3","1") = "6"
    & skf21("5","2","4","7","1","5","4","1") = "6"
    & skf21("5","2","4","7","1","5","5","1") = "6"
    & skf21("5","2","4","7","1","5","6","1") = "6"
    & skf21("5","2","4","7","1","5","7","1") = "6"
    & skf21("5","2","4","7","1","6","1","1") = "6"
    & skf21("5","2","4","7","1","6","2","1") = "6"
    & skf21("5","2","4","7","1","6","3","1") = "6"
    & skf21("5","2","4","7","1","6","4","1") = "6"
    & skf21("5","2","4","7","1","6","5","1") = "6"
    & skf21("5","2","4","7","1","6","6","1") = "6"
    & skf21("5","2","4","7","1","6","7","1") = "6"
    & skf21("5","2","4","7","1","7","1","1") = "6"
    & skf21("5","2","4","7","1","7","2","1") = "6"
    & skf21("5","2","4","7","1","7","3","1") = "6"
    & skf21("5","2","4","7","1","7","4","1") = "6"
    & skf21("5","2","4","7","1","7","5","1") = "6"
    & skf21("5","2","4","7","1","7","6","1") = "6"
    & skf21("5","2","4","7","1","7","7","1") = "6"
    & skf21("5","2","4","7","2","1","1","1") = "6"
    & skf21("5","2","4","7","2","1","2","1") = "6"
    & skf21("5","2","4","7","2","1","3","1") = "6"
    & skf21("5","2","4","7","2","1","4","1") = "6"
    & skf21("5","2","4","7","2","1","5","1") = "6"
    & skf21("5","2","4","7","2","1","6","1") = "6"
    & skf21("5","2","4","7","2","1","7","1") = "6"
    & skf21("5","2","4","7","2","2","1","1") = "6"
    & skf21("5","2","4","7","2","2","2","1") = "6"
    & skf21("5","2","4","7","2","2","3","1") = "6"
    & skf21("5","2","4","7","2","2","4","1") = "6"
    & skf21("5","2","4","7","2","2","5","1") = "6"
    & skf21("5","2","4","7","2","2","6","1") = "6"
    & skf21("5","2","4","7","2","2","7","1") = "6"
    & skf21("5","2","4","7","2","3","1","1") = "6"
    & skf21("5","2","4","7","2","3","2","1") = "6"
    & skf21("5","2","4","7","2","3","3","1") = "6"
    & skf21("5","2","4","7","2","3","4","1") = "6"
    & skf21("5","2","4","7","2","3","5","1") = "6"
    & skf21("5","2","4","7","2","3","6","1") = "6"
    & skf21("5","2","4","7","2","3","7","1") = "6"
    & skf21("5","2","4","7","2","4","1","1") = "6"
    & skf21("5","2","4","7","2","4","2","1") = "6"
    & skf21("5","2","4","7","2","4","3","1") = "6"
    & skf21("5","2","4","7","2","4","4","1") = "6"
    & skf21("5","2","4","7","2","4","5","1") = "6"
    & skf21("5","2","4","7","2","4","6","1") = "6"
    & skf21("5","2","4","7","2","4","7","1") = "6"
    & skf21("5","2","4","7","2","5","1","1") = "6"
    & skf21("5","2","4","7","2","5","2","1") = "6"
    & skf21("5","2","4","7","2","5","3","1") = "6"
    & skf21("5","2","4","7","2","5","4","1") = "6"
    & skf21("5","2","4","7","2","5","5","1") = "6"
    & skf21("5","2","4","7","2","5","6","1") = "6"
    & skf21("5","2","4","7","2","5","7","1") = "6"
    & skf21("5","2","4","7","2","6","1","1") = "6"
    & skf21("5","2","4","7","2","6","2","1") = "6"
    & skf21("5","2","4","7","2","6","3","1") = "6"
    & skf21("5","2","4","7","2","6","4","1") = "6"
    & skf21("5","2","4","7","2","6","5","1") = "6"
    & skf21("5","2","4","7","2","6","6","1") = "6"
    & skf21("5","2","4","7","2","6","7","1") = "6"
    & skf21("5","2","4","7","2","7","1","1") = "6"
    & skf21("5","2","4","7","2","7","2","1") = "6"
    & skf21("5","2","4","7","2","7","3","1") = "6"
    & skf21("5","2","4","7","2","7","4","1") = "6"
    & skf21("5","2","4","7","2","7","5","1") = "6"
    & skf21("5","2","4","7","2","7","6","1") = "6"
    & skf21("5","2","4","7","2","7","7","1") = "6"
    & skf21("5","2","4","7","3","1","1","1") = "6"
    & skf21("5","2","4","7","3","1","2","1") = "6"
    & skf21("5","2","4","7","3","1","3","1") = "6"
    & skf21("5","2","4","7","3","1","4","1") = "6"
    & skf21("5","2","4","7","3","1","5","1") = "6"
    & skf21("5","2","4","7","3","1","6","1") = "6"
    & skf21("5","2","4","7","3","1","7","1") = "6"
    & skf21("5","2","4","7","3","2","1","1") = "6"
    & skf21("5","2","4","7","3","2","2","1") = "6"
    & skf21("5","2","4","7","3","2","3","1") = "6"
    & skf21("5","2","4","7","3","2","4","1") = "6"
    & skf21("5","2","4","7","3","2","5","1") = "6"
    & skf21("5","2","4","7","3","2","6","1") = "6"
    & skf21("5","2","4","7","3","2","7","1") = "6"
    & skf21("5","2","4","7","3","3","1","1") = "6"
    & skf21("5","2","4","7","3","3","2","1") = "6"
    & skf21("5","2","4","7","3","3","3","1") = "6"
    & skf21("5","2","4","7","3","3","4","1") = "6"
    & skf21("5","2","4","7","3","3","5","1") = "6"
    & skf21("5","2","4","7","3","3","6","1") = "6"
    & skf21("5","2","4","7","3","3","7","1") = "6"
    & skf21("5","2","4","7","3","4","1","1") = "6"
    & skf21("5","2","4","7","3","4","2","1") = "6"
    & skf21("5","2","4","7","3","4","3","1") = "6"
    & skf21("5","2","4","7","3","4","4","1") = "6"
    & skf21("5","2","4","7","3","4","5","1") = "6"
    & skf21("5","2","4","7","3","4","6","1") = "6"
    & skf21("5","2","4","7","3","4","7","1") = "6"
    & skf21("5","2","4","7","3","5","1","1") = "6"
    & skf21("5","2","4","7","3","5","2","1") = "6"
    & skf21("5","2","4","7","3","5","3","1") = "6"
    & skf21("5","2","4","7","3","5","4","1") = "6"
    & skf21("5","2","4","7","3","5","5","1") = "6"
    & skf21("5","2","4","7","3","5","6","1") = "6"
    & skf21("5","2","4","7","3","5","7","1") = "6"
    & skf21("5","2","4","7","3","6","1","1") = "6"
    & skf21("5","2","4","7","3","6","2","1") = "6"
    & skf21("5","2","4","7","3","6","3","1") = "6"
    & skf21("5","2","4","7","3","6","4","1") = "6"
    & skf21("5","2","4","7","3","6","5","1") = "6"
    & skf21("5","2","4","7","3","6","6","1") = "6"
    & skf21("5","2","4","7","3","6","7","1") = "6"
    & skf21("5","2","4","7","3","7","1","1") = "6"
    & skf21("5","2","4","7","3","7","2","1") = "6"
    & skf21("5","2","4","7","3","7","3","1") = "6"
    & skf21("5","2","4","7","3","7","4","1") = "6"
    & skf21("5","2","4","7","3","7","5","1") = "6"
    & skf21("5","2","4","7","3","7","6","1") = "6"
    & skf21("5","2","4","7","3","7","7","1") = "6"
    & skf21("5","2","4","7","4","1","1","1") = "6"
    & skf21("5","2","4","7","4","1","2","1") = "6"
    & skf21("5","2","4","7","4","1","3","1") = "6"
    & skf21("5","2","4","7","4","1","4","1") = "6"
    & skf21("5","2","4","7","4","1","5","1") = "6"
    & skf21("5","2","4","7","4","1","6","1") = "6"
    & skf21("5","2","4","7","4","1","7","1") = "6"
    & skf21("5","2","4","7","4","2","1","1") = "6"
    & skf21("5","2","4","7","4","2","2","1") = "6"
    & skf21("5","2","4","7","4","2","3","1") = "6"
    & skf21("5","2","4","7","4","2","4","1") = "6"
    & skf21("5","2","4","7","4","2","5","1") = "6"
    & skf21("5","2","4","7","4","2","6","1") = "6"
    & skf21("5","2","4","7","4","2","7","1") = "6"
    & skf21("5","2","4","7","4","3","1","1") = "6"
    & skf21("5","2","4","7","4","3","2","1") = "6"
    & skf21("5","2","4","7","4","3","3","1") = "6"
    & skf21("5","2","4","7","4","3","4","1") = "6"
    & skf21("5","2","4","7","4","3","5","1") = "6"
    & skf21("5","2","4","7","4","3","6","1") = "6"
    & skf21("5","2","4","7","4","3","7","1") = "6"
    & skf21("5","2","4","7","4","4","1","1") = "6"
    & skf21("5","2","4","7","4","4","2","1") = "6"
    & skf21("5","2","4","7","4","4","3","1") = "6"
    & skf21("5","2","4","7","4","4","4","1") = "6"
    & skf21("5","2","4","7","4","4","5","1") = "6"
    & skf21("5","2","4","7","4","4","6","1") = "6"
    & skf21("5","2","4","7","4","4","7","1") = "6"
    & skf21("5","2","4","7","4","5","1","1") = "6"
    & skf21("5","2","4","7","4","5","2","1") = "6"
    & skf21("5","2","4","7","4","5","3","1") = "6"
    & skf21("5","2","4","7","4","5","4","1") = "6"
    & skf21("5","2","4","7","4","5","5","1") = "6"
    & skf21("5","2","4","7","4","5","6","1") = "6"
    & skf21("5","2","4","7","4","5","7","1") = "6"
    & skf21("5","2","4","7","4","6","1","1") = "6"
    & skf21("5","2","4","7","4","6","2","1") = "6"
    & skf21("5","2","4","7","4","6","3","1") = "6"
    & skf21("5","2","4","7","4","6","4","1") = "6"
    & skf21("5","2","4","7","4","6","5","1") = "6"
    & skf21("5","2","4","7","4","6","6","1") = "6"
    & skf21("5","2","4","7","4","6","7","1") = "6"
    & skf21("5","2","4","7","4","7","1","1") = "6"
    & skf21("5","2","4","7","4","7","2","1") = "6"
    & skf21("5","2","4","7","4","7","3","1") = "6"
    & skf21("5","2","4","7","4","7","4","1") = "6"
    & skf21("5","2","4","7","4","7","5","1") = "6"
    & skf21("5","2","4","7","4","7","6","1") = "6"
    & skf21("5","2","4","7","4","7","7","1") = "6"
    & skf21("5","2","4","7","5","1","1","1") = "6"
    & skf21("5","2","4","7","5","1","2","1") = "6"
    & skf21("5","2","4","7","5","1","3","1") = "6"
    & skf21("5","2","4","7","5","1","4","1") = "6"
    & skf21("5","2","4","7","5","1","5","1") = "6"
    & skf21("5","2","4","7","5","1","6","1") = "6"
    & skf21("5","2","4","7","5","1","7","1") = "6"
    & skf21("5","2","4","7","5","2","1","1") = "6"
    & skf21("5","2","4","7","5","2","2","1") = "6"
    & skf21("5","2","4","7","5","2","3","1") = "6"
    & skf21("5","2","4","7","5","2","4","1") = "6"
    & skf21("5","2","4","7","5","2","5","1") = "6"
    & skf21("5","2","4","7","5","2","6","1") = "6"
    & skf21("5","2","4","7","5","2","7","1") = "6"
    & skf21("5","2","4","7","5","3","1","1") = "6"
    & skf21("5","2","4","7","5","3","2","1") = "6"
    & skf21("5","2","4","7","5","3","3","1") = "6"
    & skf21("5","2","4","7","5","3","4","1") = "6"
    & skf21("5","2","4","7","5","3","5","1") = "6"
    & skf21("5","2","4","7","5","3","6","1") = "6"
    & skf21("5","2","4","7","5","3","7","1") = "6"
    & skf21("5","2","4","7","5","4","1","1") = "6"
    & skf21("5","2","4","7","5","4","2","1") = "6"
    & skf21("5","2","4","7","5","4","3","1") = "6"
    & skf21("5","2","4","7","5","4","4","1") = "6"
    & skf21("5","2","4","7","5","4","5","1") = "6"
    & skf21("5","2","4","7","5","4","6","1") = "6"
    & skf21("5","2","4","7","5","4","7","1") = "6"
    & skf21("5","2","4","7","5","5","1","1") = "6"
    & skf21("5","2","4","7","5","5","2","1") = "6"
    & skf21("5","2","4","7","5","5","3","1") = "6"
    & skf21("5","2","4","7","5","5","4","1") = "6"
    & skf21("5","2","4","7","5","5","5","1") = "6"
    & skf21("5","2","4","7","5","5","6","1") = "6"
    & skf21("5","2","4","7","5","5","7","1") = "6"
    & skf21("5","2","4","7","5","6","1","1") = "6"
    & skf21("5","2","4","7","5","6","2","1") = "6"
    & skf21("5","2","4","7","5","6","3","1") = "6"
    & skf21("5","2","4","7","5","6","4","1") = "6"
    & skf21("5","2","4","7","5","6","5","1") = "6"
    & skf21("5","2","4","7","5","6","6","1") = "6"
    & skf21("5","2","4","7","5","6","7","1") = "6"
    & skf21("5","2","4","7","5","7","1","1") = "6"
    & skf21("5","2","4","7","5","7","2","1") = "6"
    & skf21("5","2","4","7","5","7","3","1") = "6"
    & skf21("5","2","4","7","5","7","4","1") = "6"
    & skf21("5","2","4","7","5","7","5","1") = "6"
    & skf21("5","2","4","7","5","7","6","1") = "6"
    & skf21("5","2","4","7","5","7","7","1") = "6"
    & skf21("5","2","4","7","6","1","1","1") = "6"
    & skf21("5","2","4","7","6","1","2","1") = "6"
    & skf21("5","2","4","7","6","1","3","1") = "6"
    & skf21("5","2","4","7","6","1","4","1") = "6"
    & skf21("5","2","4","7","6","1","5","1") = "6"
    & skf21("5","2","4","7","6","1","6","1") = "6"
    & skf21("5","2","4","7","6","1","7","1") = "6"
    & skf21("5","2","4","7","6","2","1","1") = "6"
    & skf21("5","2","4","7","6","2","2","1") = "6"
    & skf21("5","2","4","7","6","2","3","1") = "6"
    & skf21("5","2","4","7","6","2","4","1") = "6"
    & skf21("5","2","4","7","6","2","5","1") = "6"
    & skf21("5","2","4","7","6","2","6","1") = "6"
    & skf21("5","2","4","7","6","2","7","1") = "6"
    & skf21("5","2","4","7","6","3","1","1") = "6"
    & skf21("5","2","4","7","6","3","2","1") = "6"
    & skf21("5","2","4","7","6","3","3","1") = "6"
    & skf21("5","2","4","7","6","3","4","1") = "6"
    & skf21("5","2","4","7","6","3","5","1") = "6"
    & skf21("5","2","4","7","6","3","6","1") = "6"
    & skf21("5","2","4","7","6","3","7","1") = "6"
    & skf21("5","2","4","7","6","4","1","1") = "6"
    & skf21("5","2","4","7","6","4","2","1") = "6"
    & skf21("5","2","4","7","6","4","3","1") = "6"
    & skf21("5","2","4","7","6","4","4","1") = "6"
    & skf21("5","2","4","7","6","4","5","1") = "6"
    & skf21("5","2","4","7","6","4","6","1") = "6"
    & skf21("5","2","4","7","6","4","7","1") = "6"
    & skf21("5","2","4","7","6","5","1","1") = "6"
    & skf21("5","2","4","7","6","5","2","1") = "6"
    & skf21("5","2","4","7","6","5","3","1") = "6"
    & skf21("5","2","4","7","6","5","4","1") = "6"
    & skf21("5","2","4","7","6","5","5","1") = "6"
    & skf21("5","2","4","7","6","5","6","1") = "6"
    & skf21("5","2","4","7","6","5","7","1") = "6"
    & skf21("5","2","4","7","6","6","1","1") = "6"
    & skf21("5","2","4","7","6","6","2","1") = "6"
    & skf21("5","2","4","7","6","6","3","1") = "6"
    & skf21("5","2","4","7","6","6","4","1") = "6"
    & skf21("5","2","4","7","6","6","5","1") = "6"
    & skf21("5","2","4","7","6","6","6","1") = "6"
    & skf21("5","2","4","7","6","6","7","1") = "6"
    & skf21("5","2","4","7","6","7","1","1") = "6"
    & skf21("5","2","4","7","6","7","2","1") = "6"
    & skf21("5","2","4","7","6","7","3","1") = "6"
    & skf21("5","2","4","7","6","7","4","1") = "6"
    & skf21("5","2","4","7","6","7","5","1") = "6"
    & skf21("5","2","4","7","6","7","6","1") = "6"
    & skf21("5","2","4","7","6","7","7","1") = "6"
    & skf21("5","2","4","7","7","1","1","1") = "6"
    & skf21("5","2","4","7","7","1","2","1") = "6"
    & skf21("5","2","4","7","7","1","3","1") = "6"
    & skf21("5","2","4","7","7","1","4","1") = "6"
    & skf21("5","2","4","7","7","1","5","1") = "6"
    & skf21("5","2","4","7","7","1","6","1") = "6"
    & skf21("5","2","4","7","7","1","7","1") = "6"
    & skf21("5","2","4","7","7","2","1","1") = "6"
    & skf21("5","2","4","7","7","2","2","1") = "6"
    & skf21("5","2","4","7","7","2","3","1") = "6"
    & skf21("5","2","4","7","7","2","4","1") = "6"
    & skf21("5","2","4","7","7","2","5","1") = "6"
    & skf21("5","2","4","7","7","2","6","1") = "6"
    & skf21("5","2","4","7","7","2","7","1") = "6"
    & skf21("5","2","4","7","7","3","1","1") = "6"
    & skf21("5","2","4","7","7","3","2","1") = "6"
    & skf21("5","2","4","7","7","3","3","1") = "6"
    & skf21("5","2","4","7","7","3","4","1") = "6"
    & skf21("5","2","4","7","7","3","5","1") = "6"
    & skf21("5","2","4","7","7","3","6","1") = "6"
    & skf21("5","2","4","7","7","3","7","1") = "6"
    & skf21("5","2","4","7","7","4","1","1") = "6"
    & skf21("5","2","4","7","7","4","2","1") = "6"
    & skf21("5","2","4","7","7","4","3","1") = "6"
    & skf21("5","2","4","7","7","4","4","1") = "6"
    & skf21("5","2","4","7","7","4","5","1") = "6"
    & skf21("5","2","4","7","7","4","6","1") = "6"
    & skf21("5","2","4","7","7","4","7","1") = "6"
    & skf21("5","2","4","7","7","5","1","1") = "6"
    & skf21("5","2","4","7","7","5","2","1") = "6"
    & skf21("5","2","4","7","7","5","3","1") = "6"
    & skf21("5","2","4","7","7","5","4","1") = "6"
    & skf21("5","2","4","7","7","5","5","1") = "6"
    & skf21("5","2","4","7","7","5","6","1") = "6"
    & skf21("5","2","4","7","7","5","7","1") = "6"
    & skf21("5","2","4","7","7","6","1","1") = "6"
    & skf21("5","2","4","7","7","6","2","1") = "6"
    & skf21("5","2","4","7","7","6","3","1") = "6"
    & skf21("5","2","4","7","7","6","4","1") = "6"
    & skf21("5","2","4","7","7","6","5","1") = "6"
    & skf21("5","2","4","7","7","6","6","1") = "6"
    & skf21("5","2","4","7","7","6","7","1") = "6"
    & skf21("5","2","4","7","7","7","1","1") = "6"
    & skf21("5","2","4","7","7","7","2","1") = "6"
    & skf21("5","2","4","7","7","7","3","1") = "6"
    & skf21("5","2","4","7","7","7","4","1") = "6"
    & skf21("5","2","4","7","7","7","5","1") = "6"
    & skf21("5","2","4","7","7","7","6","1") = "6"
    & skf21("5","2","4","7","7","7","7","1") = "6"
    & skf21("5","2","5","1","1","1","1","1") = "4"
    & skf21("5","2","5","1","1","1","2","1") = "4"
    & skf21("5","2","5","1","1","1","3","1") = "4"
    & skf21("5","2","5","1","1","1","4","1") = "4"
    & skf21("5","2","5","1","1","1","5","1") = "4"
    & skf21("5","2","5","1","1","1","6","1") = "5"
    & skf21("5","2","5","1","1","1","7","1") = "6"
    & skf21("5","2","5","1","1","2","1","1") = "4"
    & skf21("5","2","5","1","1","2","2","1") = "4"
    & skf21("5","2","5","1","1","2","3","1") = "4"
    & skf21("5","2","5","1","1","2","4","1") = "4"
    & skf21("5","2","5","1","1","2","5","1") = "4"
    & skf21("5","2","5","1","1","2","6","1") = "5"
    & skf21("5","2","5","1","1","2","7","1") = "6"
    & skf21("5","2","5","1","1","3","1","1") = "4"
    & skf21("5","2","5","1","1","3","2","1") = "4"
    & skf21("5","2","5","1","1","3","3","1") = "4"
    & skf21("5","2","5","1","1","3","4","1") = "4"
    & skf21("5","2","5","1","1","3","5","1") = "4"
    & skf21("5","2","5","1","1","3","6","1") = "5"
    & skf21("5","2","5","1","1","3","7","1") = "6"
    & skf21("5","2","5","1","1","4","1","1") = "4"
    & skf21("5","2","5","1","1","4","2","1") = "4"
    & skf21("5","2","5","1","1","4","3","1") = "4"
    & skf21("5","2","5","1","1","4","4","1") = "4"
    & skf21("5","2","5","1","1","4","5","1") = "4"
    & skf21("5","2","5","1","1","4","6","1") = "5"
    & skf21("5","2","5","1","1","4","7","1") = "6"
    & skf21("5","2","5","1","1","5","1","1") = "4"
    & skf21("5","2","5","1","1","5","2","1") = "4"
    & skf21("5","2","5","1","1","5","3","1") = "4"
    & skf21("5","2","5","1","1","5","4","1") = "4"
    & skf21("5","2","5","1","1","5","5","1") = "4"
    & skf21("5","2","5","1","1","5","6","1") = "5"
    & skf21("5","2","5","1","1","5","7","1") = "6"
    & skf21("5","2","5","1","1","6","1","1") = "5"
    & skf21("5","2","5","1","1","6","2","1") = "5"
    & skf21("5","2","5","1","1","6","3","1") = "5"
    & skf21("5","2","5","1","1","6","4","1") = "5"
    & skf21("5","2","5","1","1","6","5","1") = "5"
    & skf21("5","2","5","1","1","6","6","1") = "5"
    & skf21("5","2","5","1","1","6","7","1") = "6"
    & skf21("5","2","5","1","1","7","1","1") = "6"
    & skf21("5","2","5","1","1","7","2","1") = "6"
    & skf21("5","2","5","1","1","7","3","1") = "6"
    & skf21("5","2","5","1","1","7","4","1") = "6"
    & skf21("5","2","5","1","1","7","5","1") = "6"
    & skf21("5","2","5","1","1","7","6","1") = "6"
    & skf21("5","2","5","1","1","7","7","1") = "6"
    & skf21("5","2","5","1","2","1","1","1") = "4"
    & skf21("5","2","5","1","2","1","2","1") = "4"
    & skf21("5","2","5","1","2","1","3","1") = "4"
    & skf21("5","2","5","1","2","1","4","1") = "4"
    & skf21("5","2","5","1","2","1","5","1") = "4"
    & skf21("5","2","5","1","2","1","6","1") = "5"
    & skf21("5","2","5","1","2","1","7","1") = "6"
    & skf21("5","2","5","1","2","2","1","1") = "4"
    & skf21("5","2","5","1","2","2","2","1") = "4"
    & skf21("5","2","5","1","2","2","3","1") = "4"
    & skf21("5","2","5","1","2","2","4","1") = "4"
    & skf21("5","2","5","1","2","2","5","1") = "4"
    & skf21("5","2","5","1","2","2","6","1") = "5"
    & skf21("5","2","5","1","2","2","7","1") = "6"
    & skf21("5","2","5","1","2","3","1","1") = "4"
    & skf21("5","2","5","1","2","3","2","1") = "4"
    & skf21("5","2","5","1","2","3","3","1") = "4"
    & skf21("5","2","5","1","2","3","4","1") = "4"
    & skf21("5","2","5","1","2","3","5","1") = "4"
    & skf21("5","2","5","1","2","3","6","1") = "5"
    & skf21("5","2","5","1","2","3","7","1") = "6"
    & skf21("5","2","5","1","2","4","1","1") = "4"
    & skf21("5","2","5","1","2","4","2","1") = "4"
    & skf21("5","2","5","1","2","4","3","1") = "4"
    & skf21("5","2","5","1","2","4","4","1") = "4"
    & skf21("5","2","5","1","2","4","5","1") = "4"
    & skf21("5","2","5","1","2","4","6","1") = "5"
    & skf21("5","2","5","1","2","4","7","1") = "6"
    & skf21("5","2","5","1","2","5","1","1") = "4"
    & skf21("5","2","5","1","2","5","2","1") = "4"
    & skf21("5","2","5","1","2","5","3","1") = "4"
    & skf21("5","2","5","1","2","5","4","1") = "4"
    & skf21("5","2","5","1","2","5","5","1") = "4"
    & skf21("5","2","5","1","2","5","6","1") = "5"
    & skf21("5","2","5","1","2","5","7","1") = "6"
    & skf21("5","2","5","1","2","6","1","1") = "5"
    & skf21("5","2","5","1","2","6","2","1") = "5"
    & skf21("5","2","5","1","2","6","3","1") = "5"
    & skf21("5","2","5","1","2","6","4","1") = "5"
    & skf21("5","2","5","1","2","6","5","1") = "5"
    & skf21("5","2","5","1","2","6","6","1") = "5"
    & skf21("5","2","5","1","2","6","7","1") = "6"
    & skf21("5","2","5","1","2","7","1","1") = "6"
    & skf21("5","2","5","1","2","7","2","1") = "6"
    & skf21("5","2","5","1","2","7","3","1") = "6"
    & skf21("5","2","5","1","2","7","4","1") = "6"
    & skf21("5","2","5","1","2","7","5","1") = "6"
    & skf21("5","2","5","1","2","7","6","1") = "6"
    & skf21("5","2","5","1","2","7","7","1") = "6"
    & skf21("5","2","5","1","3","1","1","1") = "4"
    & skf21("5","2","5","1","3","1","2","1") = "4"
    & skf21("5","2","5","1","3","1","3","1") = "4"
    & skf21("5","2","5","1","3","1","4","1") = "4"
    & skf21("5","2","5","1","3","1","5","1") = "4"
    & skf21("5","2","5","1","3","1","6","1") = "5"
    & skf21("5","2","5","1","3","1","7","1") = "6"
    & skf21("5","2","5","1","3","2","1","1") = "4"
    & skf21("5","2","5","1","3","2","2","1") = "4"
    & skf21("5","2","5","1","3","2","3","1") = "4"
    & skf21("5","2","5","1","3","2","4","1") = "4"
    & skf21("5","2","5","1","3","2","5","1") = "4"
    & skf21("5","2","5","1","3","2","6","1") = "5"
    & skf21("5","2","5","1","3","2","7","1") = "6"
    & skf21("5","2","5","1","3","3","1","1") = "4"
    & skf21("5","2","5","1","3","3","2","1") = "4"
    & skf21("5","2","5","1","3","3","3","1") = "4"
    & skf21("5","2","5","1","3","3","4","1") = "4"
    & skf21("5","2","5","1","3","3","5","1") = "4"
    & skf21("5","2","5","1","3","3","6","1") = "5"
    & skf21("5","2","5","1","3","3","7","1") = "6"
    & skf21("5","2","5","1","3","4","1","1") = "4"
    & skf21("5","2","5","1","3","4","2","1") = "4"
    & skf21("5","2","5","1","3","4","3","1") = "4"
    & skf21("5","2","5","1","3","4","4","1") = "4"
    & skf21("5","2","5","1","3","4","5","1") = "4"
    & skf21("5","2","5","1","3","4","6","1") = "5"
    & skf21("5","2","5","1","3","4","7","1") = "6"
    & skf21("5","2","5","1","3","5","1","1") = "4"
    & skf21("5","2","5","1","3","5","2","1") = "4"
    & skf21("5","2","5","1","3","5","3","1") = "4"
    & skf21("5","2","5","1","3","5","4","1") = "4"
    & skf21("5","2","5","1","3","5","5","1") = "4"
    & skf21("5","2","5","1","3","5","6","1") = "5"
    & skf21("5","2","5","1","3","5","7","1") = "6"
    & skf21("5","2","5","1","3","6","1","1") = "5"
    & skf21("5","2","5","1","3","6","2","1") = "5"
    & skf21("5","2","5","1","3","6","3","1") = "5"
    & skf21("5","2","5","1","3","6","4","1") = "5"
    & skf21("5","2","5","1","3","6","5","1") = "5"
    & skf21("5","2","5","1","3","6","6","1") = "5"
    & skf21("5","2","5","1","3","6","7","1") = "6"
    & skf21("5","2","5","1","3","7","1","1") = "6"
    & skf21("5","2","5","1","3","7","2","1") = "6"
    & skf21("5","2","5","1","3","7","3","1") = "6"
    & skf21("5","2","5","1","3","7","4","1") = "6"
    & skf21("5","2","5","1","3","7","5","1") = "6"
    & skf21("5","2","5","1","3","7","6","1") = "6"
    & skf21("5","2","5","1","3","7","7","1") = "6"
    & skf21("5","2","5","1","4","1","1","1") = "4"
    & skf21("5","2","5","1","4","1","2","1") = "4"
    & skf21("5","2","5","1","4","1","3","1") = "4"
    & skf21("5","2","5","1","4","1","4","1") = "4"
    & skf21("5","2","5","1","4","1","5","1") = "4"
    & skf21("5","2","5","1","4","1","6","1") = "5"
    & skf21("5","2","5","1","4","1","7","1") = "6"
    & skf21("5","2","5","1","4","2","1","1") = "4"
    & skf21("5","2","5","1","4","2","2","1") = "4"
    & skf21("5","2","5","1","4","2","3","1") = "4"
    & skf21("5","2","5","1","4","2","4","1") = "4"
    & skf21("5","2","5","1","4","2","5","1") = "4"
    & skf21("5","2","5","1","4","2","6","1") = "5"
    & skf21("5","2","5","1","4","2","7","1") = "6"
    & skf21("5","2","5","1","4","3","1","1") = "4"
    & skf21("5","2","5","1","4","3","2","1") = "4"
    & skf21("5","2","5","1","4","3","3","1") = "4"
    & skf21("5","2","5","1","4","3","4","1") = "4"
    & skf21("5","2","5","1","4","3","5","1") = "4"
    & skf21("5","2","5","1","4","3","6","1") = "5"
    & skf21("5","2","5","1","4","3","7","1") = "6"
    & skf21("5","2","5","1","4","4","1","1") = "4"
    & skf21("5","2","5","1","4","4","2","1") = "4"
    & skf21("5","2","5","1","4","4","3","1") = "4"
    & skf21("5","2","5","1","4","4","4","1") = "4"
    & skf21("5","2","5","1","4","4","5","1") = "4"
    & skf21("5","2","5","1","4","4","6","1") = "5"
    & skf21("5","2","5","1","4","4","7","1") = "6"
    & skf21("5","2","5","1","4","5","1","1") = "4"
    & skf21("5","2","5","1","4","5","2","1") = "4"
    & skf21("5","2","5","1","4","5","3","1") = "4"
    & skf21("5","2","5","1","4","5","4","1") = "4"
    & skf21("5","2","5","1","4","5","5","1") = "4"
    & skf21("5","2","5","1","4","5","6","1") = "5"
    & skf21("5","2","5","1","4","5","7","1") = "6"
    & skf21("5","2","5","1","4","6","1","1") = "5"
    & skf21("5","2","5","1","4","6","2","1") = "5"
    & skf21("5","2","5","1","4","6","3","1") = "5"
    & skf21("5","2","5","1","4","6","4","1") = "5"
    & skf21("5","2","5","1","4","6","5","1") = "5"
    & skf21("5","2","5","1","4","6","6","1") = "5"
    & skf21("5","2","5","1","4","6","7","1") = "6"
    & skf21("5","2","5","1","4","7","1","1") = "6"
    & skf21("5","2","5","1","4","7","2","1") = "6"
    & skf21("5","2","5","1","4","7","3","1") = "6"
    & skf21("5","2","5","1","4","7","4","1") = "6"
    & skf21("5","2","5","1","4","7","5","1") = "6"
    & skf21("5","2","5","1","4","7","6","1") = "6"
    & skf21("5","2","5","1","4","7","7","1") = "6"
    & skf21("5","2","5","1","5","1","1","1") = "4"
    & skf21("5","2","5","1","5","1","2","1") = "4"
    & skf21("5","2","5","1","5","1","3","1") = "4"
    & skf21("5","2","5","1","5","1","4","1") = "4"
    & skf21("5","2","5","1","5","1","5","1") = "4"
    & skf21("5","2","5","1","5","1","6","1") = "5"
    & skf21("5","2","5","1","5","1","7","1") = "6"
    & skf21("5","2","5","1","5","2","1","1") = "4"
    & skf21("5","2","5","1","5","2","2","1") = "4"
    & skf21("5","2","5","1","5","2","3","1") = "4"
    & skf21("5","2","5","1","5","2","4","1") = "4"
    & skf21("5","2","5","1","5","2","5","1") = "4"
    & skf21("5","2","5","1","5","2","6","1") = "5"
    & skf21("5","2","5","1","5","2","7","1") = "6"
    & skf21("5","2","5","1","5","3","1","1") = "4"
    & skf21("5","2","5","1","5","3","2","1") = "4"
    & skf21("5","2","5","1","5","3","3","1") = "4"
    & skf21("5","2","5","1","5","3","4","1") = "4"
    & skf21("5","2","5","1","5","3","5","1") = "4"
    & skf21("5","2","5","1","5","3","6","1") = "5"
    & skf21("5","2","5","1","5","3","7","1") = "6"
    & skf21("5","2","5","1","5","4","1","1") = "4"
    & skf21("5","2","5","1","5","4","2","1") = "4"
    & skf21("5","2","5","1","5","4","3","1") = "4"
    & skf21("5","2","5","1","5","4","4","1") = "4"
    & skf21("5","2","5","1","5","4","5","1") = "4"
    & skf21("5","2","5","1","5","4","6","1") = "5"
    & skf21("5","2","5","1","5","4","7","1") = "6"
    & skf21("5","2","5","1","5","5","1","1") = "4"
    & skf21("5","2","5","1","5","5","2","1") = "4"
    & skf21("5","2","5","1","5","5","3","1") = "4"
    & skf21("5","2","5","1","5","5","4","1") = "4"
    & skf21("5","2","5","1","5","5","5","1") = "4"
    & skf21("5","2","5","1","5","5","6","1") = "5"
    & skf21("5","2","5","1","5","5","7","1") = "6"
    & skf21("5","2","5","1","5","6","1","1") = "5"
    & skf21("5","2","5","1","5","6","2","1") = "5"
    & skf21("5","2","5","1","5","6","3","1") = "5"
    & skf21("5","2","5","1","5","6","4","1") = "5"
    & skf21("5","2","5","1","5","6","5","1") = "5"
    & skf21("5","2","5","1","5","6","6","1") = "5"
    & skf21("5","2","5","1","5","6","7","1") = "6"
    & skf21("5","2","5","1","5","7","1","1") = "6"
    & skf21("5","2","5","1","5","7","2","1") = "6"
    & skf21("5","2","5","1","5","7","3","1") = "6"
    & skf21("5","2","5","1","5","7","4","1") = "6"
    & skf21("5","2","5","1","5","7","5","1") = "6"
    & skf21("5","2","5","1","5","7","6","1") = "6"
    & skf21("5","2","5","1","5","7","7","1") = "6"
    & skf21("5","2","5","1","6","1","1","1") = "5"
    & skf21("5","2","5","1","6","1","2","1") = "5"
    & skf21("5","2","5","1","6","1","3","1") = "5"
    & skf21("5","2","5","1","6","1","4","1") = "5"
    & skf21("5","2","5","1","6","1","5","1") = "5"
    & skf21("5","2","5","1","6","1","6","1") = "5"
    & skf21("5","2","5","1","6","1","7","1") = "6"
    & skf21("5","2","5","1","6","2","1","1") = "5"
    & skf21("5","2","5","1","6","2","2","1") = "5"
    & skf21("5","2","5","1","6","2","3","1") = "5"
    & skf21("5","2","5","1","6","2","4","1") = "5"
    & skf21("5","2","5","1","6","2","5","1") = "5"
    & skf21("5","2","5","1","6","2","6","1") = "5"
    & skf21("5","2","5","1","6","2","7","1") = "6"
    & skf21("5","2","5","1","6","3","1","1") = "5"
    & skf21("5","2","5","1","6","3","2","1") = "5"
    & skf21("5","2","5","1","6","3","3","1") = "5"
    & skf21("5","2","5","1","6","3","4","1") = "5"
    & skf21("5","2","5","1","6","3","5","1") = "5"
    & skf21("5","2","5","1","6","3","6","1") = "5"
    & skf21("5","2","5","1","6","3","7","1") = "6"
    & skf21("5","2","5","1","6","4","1","1") = "5"
    & skf21("5","2","5","1","6","4","2","1") = "5"
    & skf21("5","2","5","1","6","4","3","1") = "5"
    & skf21("5","2","5","1","6","4","4","1") = "5"
    & skf21("5","2","5","1","6","4","5","1") = "5"
    & skf21("5","2","5","1","6","4","6","1") = "5"
    & skf21("5","2","5","1","6","4","7","1") = "6"
    & skf21("5","2","5","1","6","5","1","1") = "5"
    & skf21("5","2","5","1","6","5","2","1") = "5"
    & skf21("5","2","5","1","6","5","3","1") = "5"
    & skf21("5","2","5","1","6","5","4","1") = "5"
    & skf21("5","2","5","1","6","5","5","1") = "5"
    & skf21("5","2","5","1","6","5","6","1") = "5"
    & skf21("5","2","5","1","6","5","7","1") = "6"
    & skf21("5","2","5","1","6","6","1","1") = "5"
    & skf21("5","2","5","1","6","6","2","1") = "5"
    & skf21("5","2","5","1","6","6","3","1") = "5"
    & skf21("5","2","5","1","6","6","4","1") = "5"
    & skf21("5","2","5","1","6","6","5","1") = "5"
    & skf21("5","2","5","1","6","6","6","1") = "5"
    & skf21("5","2","5","1","6","6","7","1") = "6"
    & skf21("5","2","5","1","6","7","1","1") = "6"
    & skf21("5","2","5","1","6","7","2","1") = "6"
    & skf21("5","2","5","1","6","7","3","1") = "6"
    & skf21("5","2","5","1","6","7","4","1") = "6"
    & skf21("5","2","5","1","6","7","5","1") = "6"
    & skf21("5","2","5","1","6","7","6","1") = "6"
    & skf21("5","2","5","1","6","7","7","1") = "6"
    & skf21("5","2","5","1","7","1","1","1") = "6"
    & skf21("5","2","5","1","7","1","2","1") = "6"
    & skf21("5","2","5","1","7","1","3","1") = "6"
    & skf21("5","2","5","1","7","1","4","1") = "6"
    & skf21("5","2","5","1","7","1","5","1") = "6"
    & skf21("5","2","5","1","7","1","6","1") = "6"
    & skf21("5","2","5","1","7","1","7","1") = "6"
    & skf21("5","2","5","1","7","2","1","1") = "6"
    & skf21("5","2","5","1","7","2","2","1") = "6"
    & skf21("5","2","5","1","7","2","3","1") = "6"
    & skf21("5","2","5","1","7","2","4","1") = "6"
    & skf21("5","2","5","1","7","2","5","1") = "6"
    & skf21("5","2","5","1","7","2","6","1") = "6"
    & skf21("5","2","5","1","7","2","7","1") = "6"
    & skf21("5","2","5","1","7","3","1","1") = "6"
    & skf21("5","2","5","1","7","3","2","1") = "6"
    & skf21("5","2","5","1","7","3","3","1") = "6"
    & skf21("5","2","5","1","7","3","4","1") = "6"
    & skf21("5","2","5","1","7","3","5","1") = "6"
    & skf21("5","2","5","1","7","3","6","1") = "6"
    & skf21("5","2","5","1","7","3","7","1") = "6"
    & skf21("5","2","5","1","7","4","1","1") = "6"
    & skf21("5","2","5","1","7","4","2","1") = "6"
    & skf21("5","2","5","1","7","4","3","1") = "6"
    & skf21("5","2","5","1","7","4","4","1") = "6"
    & skf21("5","2","5","1","7","4","5","1") = "6"
    & skf21("5","2","5","1","7","4","6","1") = "6"
    & skf21("5","2","5","1","7","4","7","1") = "6"
    & skf21("5","2","5","1","7","5","1","1") = "6"
    & skf21("5","2","5","1","7","5","2","1") = "6"
    & skf21("5","2","5","1","7","5","3","1") = "6"
    & skf21("5","2","5","1","7","5","4","1") = "6"
    & skf21("5","2","5","1","7","5","5","1") = "6"
    & skf21("5","2","5","1","7","5","6","1") = "6"
    & skf21("5","2","5","1","7","5","7","1") = "6"
    & skf21("5","2","5","1","7","6","1","1") = "6"
    & skf21("5","2","5","1","7","6","2","1") = "6"
    & skf21("5","2","5","1","7","6","3","1") = "6"
    & skf21("5","2","5","1","7","6","4","1") = "6"
    & skf21("5","2","5","1","7","6","5","1") = "6"
    & skf21("5","2","5","1","7","6","6","1") = "6"
    & skf21("5","2","5","1","7","6","7","1") = "6"
    & skf21("5","2","5","1","7","7","1","1") = "6"
    & skf21("5","2","5","1","7","7","2","1") = "6"
    & skf21("5","2","5","1","7","7","3","1") = "6"
    & skf21("5","2","5","1","7","7","4","1") = "6"
    & skf21("5","2","5","1","7","7","5","1") = "6"
    & skf21("5","2","5","1","7","7","6","1") = "6"
    & skf21("5","2","5","1","7","7","7","1") = "6"
    & skf21("5","2","5","2","1","1","1","1") = "4"
    & skf21("5","2","5","2","1","1","2","1") = "4"
    & skf21("5","2","5","2","1","1","3","1") = "4"
    & skf21("5","2","5","2","1","1","4","1") = "4"
    & skf21("5","2","5","2","1","1","5","1") = "4"
    & skf21("5","2","5","2","1","1","6","1") = "5"
    & skf21("5","2","5","2","1","1","7","1") = "6"
    & skf21("5","2","5","2","1","2","1","1") = "4"
    & skf21("5","2","5","2","1","2","2","1") = "4"
    & skf21("5","2","5","2","1","2","3","1") = "4"
    & skf21("5","2","5","2","1","2","4","1") = "4"
    & skf21("5","2","5","2","1","2","5","1") = "4"
    & skf21("5","2","5","2","1","2","6","1") = "5"
    & skf21("5","2","5","2","1","2","7","1") = "6"
    & skf21("5","2","5","2","1","3","1","1") = "4"
    & skf21("5","2","5","2","1","3","2","1") = "4"
    & skf21("5","2","5","2","1","3","3","1") = "4"
    & skf21("5","2","5","2","1","3","4","1") = "4"
    & skf21("5","2","5","2","1","3","5","1") = "4"
    & skf21("5","2","5","2","1","3","6","1") = "5"
    & skf21("5","2","5","2","1","3","7","1") = "6"
    & skf21("5","2","5","2","1","4","1","1") = "4"
    & skf21("5","2","5","2","1","4","2","1") = "4"
    & skf21("5","2","5","2","1","4","3","1") = "4"
    & skf21("5","2","5","2","1","4","4","1") = "4"
    & skf21("5","2","5","2","1","4","5","1") = "4"
    & skf21("5","2","5","2","1","4","6","1") = "5"
    & skf21("5","2","5","2","1","4","7","1") = "6"
    & skf21("5","2","5","2","1","5","1","1") = "4"
    & skf21("5","2","5","2","1","5","2","1") = "4"
    & skf21("5","2","5","2","1","5","3","1") = "4"
    & skf21("5","2","5","2","1","5","4","1") = "4"
    & skf21("5","2","5","2","1","5","5","1") = "4"
    & skf21("5","2","5","2","1","5","6","1") = "5"
    & skf21("5","2","5","2","1","5","7","1") = "6"
    & skf21("5","2","5","2","1","6","1","1") = "5"
    & skf21("5","2","5","2","1","6","2","1") = "5"
    & skf21("5","2","5","2","1","6","3","1") = "5"
    & skf21("5","2","5","2","1","6","4","1") = "5"
    & skf21("5","2","5","2","1","6","5","1") = "5"
    & skf21("5","2","5","2","1","6","6","1") = "5"
    & skf21("5","2","5","2","1","6","7","1") = "6"
    & skf21("5","2","5","2","1","7","1","1") = "6"
    & skf21("5","2","5","2","1","7","2","1") = "6"
    & skf21("5","2","5","2","1","7","3","1") = "6"
    & skf21("5","2","5","2","1","7","4","1") = "6"
    & skf21("5","2","5","2","1","7","5","1") = "6"
    & skf21("5","2","5","2","1","7","6","1") = "6"
    & skf21("5","2","5","2","1","7","7","1") = "6"
    & skf21("5","2","5","2","2","1","1","1") = "4"
    & skf21("5","2","5","2","2","1","2","1") = "4"
    & skf21("5","2","5","2","2","1","3","1") = "4"
    & skf21("5","2","5","2","2","1","4","1") = "4"
    & skf21("5","2","5","2","2","1","5","1") = "4"
    & skf21("5","2","5","2","2","1","6","1") = "5"
    & skf21("5","2","5","2","2","1","7","1") = "6"
    & skf21("5","2","5","2","2","2","1","1") = "4"
    & skf21("5","2","5","2","2","2","2","1") = "4"
    & skf21("5","2","5","2","2","2","3","1") = "4"
    & skf21("5","2","5","2","2","2","4","1") = "4"
    & skf21("5","2","5","2","2","2","5","1") = "4"
    & skf21("5","2","5","2","2","2","6","1") = "5"
    & skf21("5","2","5","2","2","2","7","1") = "6"
    & skf21("5","2","5","2","2","3","1","1") = "4"
    & skf21("5","2","5","2","2","3","2","1") = "4"
    & skf21("5","2","5","2","2","3","3","1") = "4"
    & skf21("5","2","5","2","2","3","4","1") = "4"
    & skf21("5","2","5","2","2","3","5","1") = "4"
    & skf21("5","2","5","2","2","3","6","1") = "5"
    & skf21("5","2","5","2","2","3","7","1") = "6"
    & skf21("5","2","5","2","2","4","1","1") = "4"
    & skf21("5","2","5","2","2","4","2","1") = "4"
    & skf21("5","2","5","2","2","4","3","1") = "4"
    & skf21("5","2","5","2","2","4","4","1") = "4"
    & skf21("5","2","5","2","2","4","5","1") = "4"
    & skf21("5","2","5","2","2","4","6","1") = "5"
    & skf21("5","2","5","2","2","4","7","1") = "6"
    & skf21("5","2","5","2","2","5","1","1") = "4"
    & skf21("5","2","5","2","2","5","2","1") = "4"
    & skf21("5","2","5","2","2","5","3","1") = "4"
    & skf21("5","2","5","2","2","5","4","1") = "4"
    & skf21("5","2","5","2","2","5","5","1") = "4"
    & skf21("5","2","5","2","2","5","6","1") = "5"
    & skf21("5","2","5","2","2","5","7","1") = "6"
    & skf21("5","2","5","2","2","6","1","1") = "5"
    & skf21("5","2","5","2","2","6","2","1") = "5"
    & skf21("5","2","5","2","2","6","3","1") = "5"
    & skf21("5","2","5","2","2","6","4","1") = "5"
    & skf21("5","2","5","2","2","6","5","1") = "5"
    & skf21("5","2","5","2","2","6","6","1") = "5"
    & skf21("5","2","5","2","2","6","7","1") = "6"
    & skf21("5","2","5","2","2","7","1","1") = "6"
    & skf21("5","2","5","2","2","7","2","1") = "6"
    & skf21("5","2","5","2","2","7","3","1") = "6"
    & skf21("5","2","5","2","2","7","4","1") = "6"
    & skf21("5","2","5","2","2","7","5","1") = "6"
    & skf21("5","2","5","2","2","7","6","1") = "6"
    & skf21("5","2","5","2","2","7","7","1") = "6"
    & skf21("5","2","5","2","3","1","1","1") = "4"
    & skf21("5","2","5","2","3","1","2","1") = "4"
    & skf21("5","2","5","2","3","1","3","1") = "4"
    & skf21("5","2","5","2","3","1","4","1") = "4"
    & skf21("5","2","5","2","3","1","5","1") = "4"
    & skf21("5","2","5","2","3","1","6","1") = "5"
    & skf21("5","2","5","2","3","1","7","1") = "6"
    & skf21("5","2","5","2","3","2","1","1") = "4"
    & skf21("5","2","5","2","3","2","2","1") = "4"
    & skf21("5","2","5","2","3","2","3","1") = "4"
    & skf21("5","2","5","2","3","2","4","1") = "4"
    & skf21("5","2","5","2","3","2","5","1") = "4"
    & skf21("5","2","5","2","3","2","6","1") = "5"
    & skf21("5","2","5","2","3","2","7","1") = "6"
    & skf21("5","2","5","2","3","3","1","1") = "4"
    & skf21("5","2","5","2","3","3","2","1") = "4"
    & skf21("5","2","5","2","3","3","3","1") = "4"
    & skf21("5","2","5","2","3","3","4","1") = "4"
    & skf21("5","2","5","2","3","3","5","1") = "4"
    & skf21("5","2","5","2","3","3","6","1") = "5"
    & skf21("5","2","5","2","3","3","7","1") = "6"
    & skf21("5","2","5","2","3","4","1","1") = "4"
    & skf21("5","2","5","2","3","4","2","1") = "4"
    & skf21("5","2","5","2","3","4","3","1") = "4"
    & skf21("5","2","5","2","3","4","4","1") = "4"
    & skf21("5","2","5","2","3","4","5","1") = "4"
    & skf21("5","2","5","2","3","4","6","1") = "5"
    & skf21("5","2","5","2","3","4","7","1") = "6"
    & skf21("5","2","5","2","3","5","1","1") = "4"
    & skf21("5","2","5","2","3","5","2","1") = "4"
    & skf21("5","2","5","2","3","5","3","1") = "4"
    & skf21("5","2","5","2","3","5","4","1") = "4"
    & skf21("5","2","5","2","3","5","5","1") = "4"
    & skf21("5","2","5","2","3","5","6","1") = "5"
    & skf21("5","2","5","2","3","5","7","1") = "6"
    & skf21("5","2","5","2","3","6","1","1") = "5"
    & skf21("5","2","5","2","3","6","2","1") = "5"
    & skf21("5","2","5","2","3","6","3","1") = "5"
    & skf21("5","2","5","2","3","6","4","1") = "5"
    & skf21("5","2","5","2","3","6","5","1") = "5"
    & skf21("5","2","5","2","3","6","6","1") = "5"
    & skf21("5","2","5","2","3","6","7","1") = "6"
    & skf21("5","2","5","2","3","7","1","1") = "6"
    & skf21("5","2","5","2","3","7","2","1") = "6"
    & skf21("5","2","5","2","3","7","3","1") = "6"
    & skf21("5","2","5","2","3","7","4","1") = "6"
    & skf21("5","2","5","2","3","7","5","1") = "6"
    & skf21("5","2","5","2","3","7","6","1") = "6"
    & skf21("5","2","5","2","3","7","7","1") = "6"
    & skf21("5","2","5","2","4","1","1","1") = "4"
    & skf21("5","2","5","2","4","1","2","1") = "4"
    & skf21("5","2","5","2","4","1","3","1") = "4"
    & skf21("5","2","5","2","4","1","4","1") = "4"
    & skf21("5","2","5","2","4","1","5","1") = "4"
    & skf21("5","2","5","2","4","1","6","1") = "5"
    & skf21("5","2","5","2","4","1","7","1") = "6"
    & skf21("5","2","5","2","4","2","1","1") = "4"
    & skf21("5","2","5","2","4","2","2","1") = "4"
    & skf21("5","2","5","2","4","2","3","1") = "4"
    & skf21("5","2","5","2","4","2","4","1") = "4"
    & skf21("5","2","5","2","4","2","5","1") = "4"
    & skf21("5","2","5","2","4","2","6","1") = "5"
    & skf21("5","2","5","2","4","2","7","1") = "6"
    & skf21("5","2","5","2","4","3","1","1") = "4"
    & skf21("5","2","5","2","4","3","2","1") = "4"
    & skf21("5","2","5","2","4","3","3","1") = "4"
    & skf21("5","2","5","2","4","3","4","1") = "4"
    & skf21("5","2","5","2","4","3","5","1") = "4"
    & skf21("5","2","5","2","4","3","6","1") = "5"
    & skf21("5","2","5","2","4","3","7","1") = "6"
    & skf21("5","2","5","2","4","4","1","1") = "4"
    & skf21("5","2","5","2","4","4","2","1") = "4"
    & skf21("5","2","5","2","4","4","3","1") = "4"
    & skf21("5","2","5","2","4","4","4","1") = "4"
    & skf21("5","2","5","2","4","4","5","1") = "4"
    & skf21("5","2","5","2","4","4","6","1") = "5"
    & skf21("5","2","5","2","4","4","7","1") = "6"
    & skf21("5","2","5","2","4","5","1","1") = "4"
    & skf21("5","2","5","2","4","5","2","1") = "4"
    & skf21("5","2","5","2","4","5","3","1") = "4"
    & skf21("5","2","5","2","4","5","4","1") = "4"
    & skf21("5","2","5","2","4","5","5","1") = "4"
    & skf21("5","2","5","2","4","5","6","1") = "5"
    & skf21("5","2","5","2","4","5","7","1") = "6"
    & skf21("5","2","5","2","4","6","1","1") = "5"
    & skf21("5","2","5","2","4","6","2","1") = "5"
    & skf21("5","2","5","2","4","6","3","1") = "5"
    & skf21("5","2","5","2","4","6","4","1") = "5"
    & skf21("5","2","5","2","4","6","5","1") = "5"
    & skf21("5","2","5","2","4","6","6","1") = "5"
    & skf21("5","2","5","2","4","6","7","1") = "6"
    & skf21("5","2","5","2","4","7","1","1") = "6"
    & skf21("5","2","5","2","4","7","2","1") = "6"
    & skf21("5","2","5","2","4","7","3","1") = "6"
    & skf21("5","2","5","2","4","7","4","1") = "6"
    & skf21("5","2","5","2","4","7","5","1") = "6"
    & skf21("5","2","5","2","4","7","6","1") = "6"
    & skf21("5","2","5","2","4","7","7","1") = "6"
    & skf21("5","2","5","2","5","1","1","1") = "4"
    & skf21("5","2","5","2","5","1","2","1") = "4"
    & skf21("5","2","5","2","5","1","3","1") = "4"
    & skf21("5","2","5","2","5","1","4","1") = "4"
    & skf21("5","2","5","2","5","1","5","1") = "4"
    & skf21("5","2","5","2","5","1","6","1") = "5"
    & skf21("5","2","5","2","5","1","7","1") = "6"
    & skf21("5","2","5","2","5","2","1","1") = "4"
    & skf21("5","2","5","2","5","2","2","1") = "4"
    & skf21("5","2","5","2","5","2","3","1") = "4"
    & skf21("5","2","5","2","5","2","4","1") = "4"
    & skf21("5","2","5","2","5","2","5","1") = "4"
    & skf21("5","2","5","2","5","2","6","1") = "5"
    & skf21("5","2","5","2","5","2","7","1") = "6"
    & skf21("5","2","5","2","5","3","1","1") = "4"
    & skf21("5","2","5","2","5","3","2","1") = "4"
    & skf21("5","2","5","2","5","3","3","1") = "4"
    & skf21("5","2","5","2","5","3","4","1") = "4"
    & skf21("5","2","5","2","5","3","5","1") = "4"
    & skf21("5","2","5","2","5","3","6","1") = "5"
    & skf21("5","2","5","2","5","3","7","1") = "6"
    & skf21("5","2","5","2","5","4","1","1") = "4"
    & skf21("5","2","5","2","5","4","2","1") = "4"
    & skf21("5","2","5","2","5","4","3","1") = "4"
    & skf21("5","2","5","2","5","4","4","1") = "4"
    & skf21("5","2","5","2","5","4","5","1") = "4"
    & skf21("5","2","5","2","5","4","6","1") = "5"
    & skf21("5","2","5","2","5","4","7","1") = "6"
    & skf21("5","2","5","2","5","5","1","1") = "4"
    & skf21("5","2","5","2","5","5","2","1") = "4"
    & skf21("5","2","5","2","5","5","3","1") = "4"
    & skf21("5","2","5","2","5","5","4","1") = "4"
    & skf21("5","2","5","2","5","5","5","1") = "4"
    & skf21("5","2","5","2","5","5","6","1") = "5"
    & skf21("5","2","5","2","5","5","7","1") = "6"
    & skf21("5","2","5","2","5","6","1","1") = "5"
    & skf21("5","2","5","2","5","6","2","1") = "5"
    & skf21("5","2","5","2","5","6","3","1") = "5"
    & skf21("5","2","5","2","5","6","4","1") = "5"
    & skf21("5","2","5","2","5","6","5","1") = "5"
    & skf21("5","2","5","2","5","6","6","1") = "5"
    & skf21("5","2","5","2","5","6","7","1") = "6"
    & skf21("5","2","5","2","5","7","1","1") = "6"
    & skf21("5","2","5","2","5","7","2","1") = "6"
    & skf21("5","2","5","2","5","7","3","1") = "6"
    & skf21("5","2","5","2","5","7","4","1") = "6"
    & skf21("5","2","5","2","5","7","5","1") = "6"
    & skf21("5","2","5","2","5","7","6","1") = "6"
    & skf21("5","2","5","2","5","7","7","1") = "6"
    & skf21("5","2","5","2","6","1","1","1") = "5"
    & skf21("5","2","5","2","6","1","2","1") = "5"
    & skf21("5","2","5","2","6","1","3","1") = "5"
    & skf21("5","2","5","2","6","1","4","1") = "5"
    & skf21("5","2","5","2","6","1","5","1") = "5"
    & skf21("5","2","5","2","6","1","6","1") = "5"
    & skf21("5","2","5","2","6","1","7","1") = "6"
    & skf21("5","2","5","2","6","2","1","1") = "5"
    & skf21("5","2","5","2","6","2","2","1") = "5"
    & skf21("5","2","5","2","6","2","3","1") = "5"
    & skf21("5","2","5","2","6","2","4","1") = "5"
    & skf21("5","2","5","2","6","2","5","1") = "5"
    & skf21("5","2","5","2","6","2","6","1") = "5"
    & skf21("5","2","5","2","6","2","7","1") = "6"
    & skf21("5","2","5","2","6","3","1","1") = "5"
    & skf21("5","2","5","2","6","3","2","1") = "5"
    & skf21("5","2","5","2","6","3","3","1") = "5"
    & skf21("5","2","5","2","6","3","4","1") = "5"
    & skf21("5","2","5","2","6","3","5","1") = "5"
    & skf21("5","2","5","2","6","3","6","1") = "5"
    & skf21("5","2","5","2","6","3","7","1") = "6"
    & skf21("5","2","5","2","6","4","1","1") = "5"
    & skf21("5","2","5","2","6","4","2","1") = "5"
    & skf21("5","2","5","2","6","4","3","1") = "5"
    & skf21("5","2","5","2","6","4","4","1") = "5"
    & skf21("5","2","5","2","6","4","5","1") = "5"
    & skf21("5","2","5","2","6","4","6","1") = "5"
    & skf21("5","2","5","2","6","4","7","1") = "6"
    & skf21("5","2","5","2","6","5","1","1") = "5"
    & skf21("5","2","5","2","6","5","2","1") = "5"
    & skf21("5","2","5","2","6","5","3","1") = "5"
    & skf21("5","2","5","2","6","5","4","1") = "5"
    & skf21("5","2","5","2","6","5","5","1") = "5"
    & skf21("5","2","5","2","6","5","6","1") = "5"
    & skf21("5","2","5","2","6","5","7","1") = "6"
    & skf21("5","2","5","2","6","6","1","1") = "5"
    & skf21("5","2","5","2","6","6","2","1") = "5"
    & skf21("5","2","5","2","6","6","3","1") = "5"
    & skf21("5","2","5","2","6","6","4","1") = "5"
    & skf21("5","2","5","2","6","6","5","1") = "5"
    & skf21("5","2","5","2","6","6","6","1") = "5"
    & skf21("5","2","5","2","6","6","7","1") = "6"
    & skf21("5","2","5","2","6","7","1","1") = "6"
    & skf21("5","2","5","2","6","7","2","1") = "6"
    & skf21("5","2","5","2","6","7","3","1") = "6"
    & skf21("5","2","5","2","6","7","4","1") = "6"
    & skf21("5","2","5","2","6","7","5","1") = "6"
    & skf21("5","2","5","2","6","7","6","1") = "6"
    & skf21("5","2","5","2","6","7","7","1") = "6"
    & skf21("5","2","5","2","7","1","1","1") = "6"
    & skf21("5","2","5","2","7","1","2","1") = "6"
    & skf21("5","2","5","2","7","1","3","1") = "6"
    & skf21("5","2","5","2","7","1","4","1") = "6"
    & skf21("5","2","5","2","7","1","5","1") = "6"
    & skf21("5","2","5","2","7","1","6","1") = "6"
    & skf21("5","2","5","2","7","1","7","1") = "6"
    & skf21("5","2","5","2","7","2","1","1") = "6"
    & skf21("5","2","5","2","7","2","2","1") = "6"
    & skf21("5","2","5","2","7","2","3","1") = "6"
    & skf21("5","2","5","2","7","2","4","1") = "6"
    & skf21("5","2","5","2","7","2","5","1") = "6"
    & skf21("5","2","5","2","7","2","6","1") = "6"
    & skf21("5","2","5","2","7","2","7","1") = "6"
    & skf21("5","2","5","2","7","3","1","1") = "6"
    & skf21("5","2","5","2","7","3","2","1") = "6"
    & skf21("5","2","5","2","7","3","3","1") = "6"
    & skf21("5","2","5","2","7","3","4","1") = "6"
    & skf21("5","2","5","2","7","3","5","1") = "6"
    & skf21("5","2","5","2","7","3","6","1") = "6"
    & skf21("5","2","5","2","7","3","7","1") = "6"
    & skf21("5","2","5","2","7","4","1","1") = "6"
    & skf21("5","2","5","2","7","4","2","1") = "6"
    & skf21("5","2","5","2","7","4","3","1") = "6"
    & skf21("5","2","5","2","7","4","4","1") = "6"
    & skf21("5","2","5","2","7","4","5","1") = "6"
    & skf21("5","2","5","2","7","4","6","1") = "6"
    & skf21("5","2","5","2","7","4","7","1") = "6"
    & skf21("5","2","5","2","7","5","1","1") = "6"
    & skf21("5","2","5","2","7","5","2","1") = "6"
    & skf21("5","2","5","2","7","5","3","1") = "6"
    & skf21("5","2","5","2","7","5","4","1") = "6"
    & skf21("5","2","5","2","7","5","5","1") = "6"
    & skf21("5","2","5","2","7","5","6","1") = "6"
    & skf21("5","2","5","2","7","5","7","1") = "6"
    & skf21("5","2","5","2","7","6","1","1") = "6"
    & skf21("5","2","5","2","7","6","2","1") = "6"
    & skf21("5","2","5","2","7","6","3","1") = "6"
    & skf21("5","2","5","2","7","6","4","1") = "6"
    & skf21("5","2","5","2","7","6","5","1") = "6"
    & skf21("5","2","5","2","7","6","6","1") = "6"
    & skf21("5","2","5","2","7","6","7","1") = "6"
    & skf21("5","2","5","2","7","7","1","1") = "6"
    & skf21("5","2","5","2","7","7","2","1") = "6"
    & skf21("5","2","5","2","7","7","3","1") = "6"
    & skf21("5","2","5","2","7","7","4","1") = "6"
    & skf21("5","2","5","2","7","7","5","1") = "6"
    & skf21("5","2","5","2","7","7","6","1") = "6"
    & skf21("5","2","5","2","7","7","7","1") = "6"
    & skf21("5","2","5","3","1","1","1","1") = "4"
    & skf21("5","2","5","3","1","1","2","1") = "4"
    & skf21("5","2","5","3","1","1","3","1") = "4"
    & skf21("5","2","5","3","1","1","4","1") = "4"
    & skf21("5","2","5","3","1","1","5","1") = "4"
    & skf21("5","2","5","3","1","1","6","1") = "5"
    & skf21("5","2","5","3","1","1","7","1") = "6"
    & skf21("5","2","5","3","1","2","1","1") = "4"
    & skf21("5","2","5","3","1","2","2","1") = "4"
    & skf21("5","2","5","3","1","2","3","1") = "4"
    & skf21("5","2","5","3","1","2","4","1") = "4"
    & skf21("5","2","5","3","1","2","5","1") = "4"
    & skf21("5","2","5","3","1","2","6","1") = "5"
    & skf21("5","2","5","3","1","2","7","1") = "6"
    & skf21("5","2","5","3","1","3","1","1") = "4"
    & skf21("5","2","5","3","1","3","2","1") = "4"
    & skf21("5","2","5","3","1","3","3","1") = "4"
    & skf21("5","2","5","3","1","3","4","1") = "4"
    & skf21("5","2","5","3","1","3","5","1") = "4"
    & skf21("5","2","5","3","1","3","6","1") = "5"
    & skf21("5","2","5","3","1","3","7","1") = "6"
    & skf21("5","2","5","3","1","4","1","1") = "4"
    & skf21("5","2","5","3","1","4","2","1") = "4"
    & skf21("5","2","5","3","1","4","3","1") = "4"
    & skf21("5","2","5","3","1","4","4","1") = "4"
    & skf21("5","2","5","3","1","4","5","1") = "4"
    & skf21("5","2","5","3","1","4","6","1") = "5"
    & skf21("5","2","5","3","1","4","7","1") = "6"
    & skf21("5","2","5","3","1","5","1","1") = "4"
    & skf21("5","2","5","3","1","5","2","1") = "4"
    & skf21("5","2","5","3","1","5","3","1") = "4"
    & skf21("5","2","5","3","1","5","4","1") = "4"
    & skf21("5","2","5","3","1","5","5","1") = "4"
    & skf21("5","2","5","3","1","5","6","1") = "5"
    & skf21("5","2","5","3","1","5","7","1") = "6"
    & skf21("5","2","5","3","1","6","1","1") = "5"
    & skf21("5","2","5","3","1","6","2","1") = "5"
    & skf21("5","2","5","3","1","6","3","1") = "5"
    & skf21("5","2","5","3","1","6","4","1") = "5"
    & skf21("5","2","5","3","1","6","5","1") = "5"
    & skf21("5","2","5","3","1","6","6","1") = "5"
    & skf21("5","2","5","3","1","6","7","1") = "6"
    & skf21("5","2","5","3","1","7","1","1") = "6"
    & skf21("5","2","5","3","1","7","2","1") = "6"
    & skf21("5","2","5","3","1","7","3","1") = "6"
    & skf21("5","2","5","3","1","7","4","1") = "6"
    & skf21("5","2","5","3","1","7","5","1") = "6"
    & skf21("5","2","5","3","1","7","6","1") = "6"
    & skf21("5","2","5","3","1","7","7","1") = "6"
    & skf21("5","2","5","3","2","1","1","1") = "4"
    & skf21("5","2","5","3","2","1","2","1") = "4"
    & skf21("5","2","5","3","2","1","3","1") = "4"
    & skf21("5","2","5","3","2","1","4","1") = "4"
    & skf21("5","2","5","3","2","1","5","1") = "4"
    & skf21("5","2","5","3","2","1","6","1") = "5"
    & skf21("5","2","5","3","2","1","7","1") = "6"
    & skf21("5","2","5","3","2","2","1","1") = "4"
    & skf21("5","2","5","3","2","2","2","1") = "4"
    & skf21("5","2","5","3","2","2","3","1") = "4"
    & skf21("5","2","5","3","2","2","4","1") = "4"
    & skf21("5","2","5","3","2","2","5","1") = "4"
    & skf21("5","2","5","3","2","2","6","1") = "5"
    & skf21("5","2","5","3","2","2","7","1") = "6"
    & skf21("5","2","5","3","2","3","1","1") = "4"
    & skf21("5","2","5","3","2","3","2","1") = "4"
    & skf21("5","2","5","3","2","3","3","1") = "4"
    & skf21("5","2","5","3","2","3","4","1") = "4"
    & skf21("5","2","5","3","2","3","5","1") = "4"
    & skf21("5","2","5","3","2","3","6","1") = "5"
    & skf21("5","2","5","3","2","3","7","1") = "6"
    & skf21("5","2","5","3","2","4","1","1") = "4"
    & skf21("5","2","5","3","2","4","2","1") = "4"
    & skf21("5","2","5","3","2","4","3","1") = "4"
    & skf21("5","2","5","3","2","4","4","1") = "4"
    & skf21("5","2","5","3","2","4","5","1") = "4"
    & skf21("5","2","5","3","2","4","6","1") = "5"
    & skf21("5","2","5","3","2","4","7","1") = "6"
    & skf21("5","2","5","3","2","5","1","1") = "4"
    & skf21("5","2","5","3","2","5","2","1") = "4"
    & skf21("5","2","5","3","2","5","3","1") = "4"
    & skf21("5","2","5","3","2","5","4","1") = "4"
    & skf21("5","2","5","3","2","5","5","1") = "4"
    & skf21("5","2","5","3","2","5","6","1") = "5"
    & skf21("5","2","5","3","2","5","7","1") = "6"
    & skf21("5","2","5","3","2","6","1","1") = "5"
    & skf21("5","2","5","3","2","6","2","1") = "5"
    & skf21("5","2","5","3","2","6","3","1") = "5"
    & skf21("5","2","5","3","2","6","4","1") = "5"
    & skf21("5","2","5","3","2","6","5","1") = "5"
    & skf21("5","2","5","3","2","6","6","1") = "5"
    & skf21("5","2","5","3","2","6","7","1") = "6"
    & skf21("5","2","5","3","2","7","1","1") = "6"
    & skf21("5","2","5","3","2","7","2","1") = "6"
    & skf21("5","2","5","3","2","7","3","1") = "6"
    & skf21("5","2","5","3","2","7","4","1") = "6"
    & skf21("5","2","5","3","2","7","5","1") = "6"
    & skf21("5","2","5","3","2","7","6","1") = "6"
    & skf21("5","2","5","3","2","7","7","1") = "6"
    & skf21("5","2","5","3","3","1","1","1") = "4"
    & skf21("5","2","5","3","3","1","2","1") = "4"
    & skf21("5","2","5","3","3","1","3","1") = "4"
    & skf21("5","2","5","3","3","1","4","1") = "4"
    & skf21("5","2","5","3","3","1","5","1") = "4"
    & skf21("5","2","5","3","3","1","6","1") = "5"
    & skf21("5","2","5","3","3","1","7","1") = "6"
    & skf21("5","2","5","3","3","2","1","1") = "4"
    & skf21("5","2","5","3","3","2","2","1") = "4"
    & skf21("5","2","5","3","3","2","3","1") = "4"
    & skf21("5","2","5","3","3","2","4","1") = "4"
    & skf21("5","2","5","3","3","2","5","1") = "4"
    & skf21("5","2","5","3","3","2","6","1") = "5"
    & skf21("5","2","5","3","3","2","7","1") = "6"
    & skf21("5","2","5","3","3","3","1","1") = "4"
    & skf21("5","2","5","3","3","3","2","1") = "4"
    & skf21("5","2","5","3","3","3","3","1") = "4"
    & skf21("5","2","5","3","3","3","4","1") = "4"
    & skf21("5","2","5","3","3","3","5","1") = "4"
    & skf21("5","2","5","3","3","3","6","1") = "5"
    & skf21("5","2","5","3","3","3","7","1") = "6"
    & skf21("5","2","5","3","3","4","1","1") = "4"
    & skf21("5","2","5","3","3","4","2","1") = "4"
    & skf21("5","2","5","3","3","4","3","1") = "4"
    & skf21("5","2","5","3","3","4","4","1") = "4"
    & skf21("5","2","5","3","3","4","5","1") = "4"
    & skf21("5","2","5","3","3","4","6","1") = "5"
    & skf21("5","2","5","3","3","4","7","1") = "6"
    & skf21("5","2","5","3","3","5","1","1") = "4"
    & skf21("5","2","5","3","3","5","2","1") = "4"
    & skf21("5","2","5","3","3","5","3","1") = "4"
    & skf21("5","2","5","3","3","5","4","1") = "4"
    & skf21("5","2","5","3","3","5","5","1") = "4"
    & skf21("5","2","5","3","3","5","6","1") = "5"
    & skf21("5","2","5","3","3","5","7","1") = "6"
    & skf21("5","2","5","3","3","6","1","1") = "5"
    & skf21("5","2","5","3","3","6","2","1") = "5"
    & skf21("5","2","5","3","3","6","3","1") = "5"
    & skf21("5","2","5","3","3","6","4","1") = "5"
    & skf21("5","2","5","3","3","6","5","1") = "5"
    & skf21("5","2","5","3","3","6","6","1") = "5"
    & skf21("5","2","5","3","3","6","7","1") = "6"
    & skf21("5","2","5","3","3","7","1","1") = "6"
    & skf21("5","2","5","3","3","7","2","1") = "6"
    & skf21("5","2","5","3","3","7","3","1") = "6"
    & skf21("5","2","5","3","3","7","4","1") = "6"
    & skf21("5","2","5","3","3","7","5","1") = "6"
    & skf21("5","2","5","3","3","7","6","1") = "6"
    & skf21("5","2","5","3","3","7","7","1") = "6"
    & skf21("5","2","5","3","4","1","1","1") = "4"
    & skf21("5","2","5","3","4","1","2","1") = "4"
    & skf21("5","2","5","3","4","1","3","1") = "4"
    & skf21("5","2","5","3","4","1","4","1") = "4"
    & skf21("5","2","5","3","4","1","5","1") = "4"
    & skf21("5","2","5","3","4","1","6","1") = "5"
    & skf21("5","2","5","3","4","1","7","1") = "6"
    & skf21("5","2","5","3","4","2","1","1") = "4"
    & skf21("5","2","5","3","4","2","2","1") = "4"
    & skf21("5","2","5","3","4","2","3","1") = "4"
    & skf21("5","2","5","3","4","2","4","1") = "4"
    & skf21("5","2","5","3","4","2","5","1") = "4"
    & skf21("5","2","5","3","4","2","6","1") = "5"
    & skf21("5","2","5","3","4","2","7","1") = "6"
    & skf21("5","2","5","3","4","3","1","1") = "4"
    & skf21("5","2","5","3","4","3","2","1") = "4"
    & skf21("5","2","5","3","4","3","3","1") = "4"
    & skf21("5","2","5","3","4","3","4","1") = "4"
    & skf21("5","2","5","3","4","3","5","1") = "4"
    & skf21("5","2","5","3","4","3","6","1") = "5"
    & skf21("5","2","5","3","4","3","7","1") = "6"
    & skf21("5","2","5","3","4","4","1","1") = "4"
    & skf21("5","2","5","3","4","4","2","1") = "4"
    & skf21("5","2","5","3","4","4","3","1") = "4"
    & skf21("5","2","5","3","4","4","4","1") = "4"
    & skf21("5","2","5","3","4","4","5","1") = "4"
    & skf21("5","2","5","3","4","4","6","1") = "5"
    & skf21("5","2","5","3","4","4","7","1") = "6"
    & skf21("5","2","5","3","4","5","1","1") = "4"
    & skf21("5","2","5","3","4","5","2","1") = "4"
    & skf21("5","2","5","3","4","5","3","1") = "4"
    & skf21("5","2","5","3","4","5","4","1") = "4"
    & skf21("5","2","5","3","4","5","5","1") = "4"
    & skf21("5","2","5","3","4","5","6","1") = "5"
    & skf21("5","2","5","3","4","5","7","1") = "6"
    & skf21("5","2","5","3","4","6","1","1") = "5"
    & skf21("5","2","5","3","4","6","2","1") = "5"
    & skf21("5","2","5","3","4","6","3","1") = "5"
    & skf21("5","2","5","3","4","6","4","1") = "5"
    & skf21("5","2","5","3","4","6","5","1") = "5"
    & skf21("5","2","5","3","4","6","6","1") = "5"
    & skf21("5","2","5","3","4","6","7","1") = "6"
    & skf21("5","2","5","3","4","7","1","1") = "6"
    & skf21("5","2","5","3","4","7","2","1") = "6"
    & skf21("5","2","5","3","4","7","3","1") = "6"
    & skf21("5","2","5","3","4","7","4","1") = "6"
    & skf21("5","2","5","3","4","7","5","1") = "6"
    & skf21("5","2","5","3","4","7","6","1") = "6"
    & skf21("5","2","5","3","4","7","7","1") = "6"
    & skf21("5","2","5","3","5","1","1","1") = "4"
    & skf21("5","2","5","3","5","1","2","1") = "4"
    & skf21("5","2","5","3","5","1","3","1") = "4"
    & skf21("5","2","5","3","5","1","4","1") = "4"
    & skf21("5","2","5","3","5","1","5","1") = "4"
    & skf21("5","2","5","3","5","1","6","1") = "5"
    & skf21("5","2","5","3","5","1","7","1") = "6"
    & skf21("5","2","5","3","5","2","1","1") = "4"
    & skf21("5","2","5","3","5","2","2","1") = "4"
    & skf21("5","2","5","3","5","2","3","1") = "4"
    & skf21("5","2","5","3","5","2","4","1") = "4"
    & skf21("5","2","5","3","5","2","5","1") = "4"
    & skf21("5","2","5","3","5","2","6","1") = "5"
    & skf21("5","2","5","3","5","2","7","1") = "6"
    & skf21("5","2","5","3","5","3","1","1") = "4"
    & skf21("5","2","5","3","5","3","2","1") = "4"
    & skf21("5","2","5","3","5","3","3","1") = "4"
    & skf21("5","2","5","3","5","3","4","1") = "4"
    & skf21("5","2","5","3","5","3","5","1") = "4"
    & skf21("5","2","5","3","5","3","6","1") = "5"
    & skf21("5","2","5","3","5","3","7","1") = "6"
    & skf21("5","2","5","3","5","4","1","1") = "4"
    & skf21("5","2","5","3","5","4","2","1") = "4"
    & skf21("5","2","5","3","5","4","3","1") = "4"
    & skf21("5","2","5","3","5","4","4","1") = "4"
    & skf21("5","2","5","3","5","4","5","1") = "4"
    & skf21("5","2","5","3","5","4","6","1") = "5"
    & skf21("5","2","5","3","5","4","7","1") = "6"
    & skf21("5","2","5","3","5","5","1","1") = "4"
    & skf21("5","2","5","3","5","5","2","1") = "4"
    & skf21("5","2","5","3","5","5","3","1") = "4"
    & skf21("5","2","5","3","5","5","4","1") = "4"
    & skf21("5","2","5","3","5","5","5","1") = "4"
    & skf21("5","2","5","3","5","5","6","1") = "5"
    & skf21("5","2","5","3","5","5","7","1") = "6"
    & skf21("5","2","5","3","5","6","1","1") = "5"
    & skf21("5","2","5","3","5","6","2","1") = "5"
    & skf21("5","2","5","3","5","6","3","1") = "5"
    & skf21("5","2","5","3","5","6","4","1") = "5"
    & skf21("5","2","5","3","5","6","5","1") = "5"
    & skf21("5","2","5","3","5","6","6","1") = "5"
    & skf21("5","2","5","3","5","6","7","1") = "6"
    & skf21("5","2","5","3","5","7","1","1") = "6"
    & skf21("5","2","5","3","5","7","2","1") = "6"
    & skf21("5","2","5","3","5","7","3","1") = "6"
    & skf21("5","2","5","3","5","7","4","1") = "6"
    & skf21("5","2","5","3","5","7","5","1") = "6"
    & skf21("5","2","5","3","5","7","6","1") = "6"
    & skf21("5","2","5","3","5","7","7","1") = "6"
    & skf21("5","2","5","3","6","1","1","1") = "5"
    & skf21("5","2","5","3","6","1","2","1") = "5"
    & skf21("5","2","5","3","6","1","3","1") = "5"
    & skf21("5","2","5","3","6","1","4","1") = "5"
    & skf21("5","2","5","3","6","1","5","1") = "5"
    & skf21("5","2","5","3","6","1","6","1") = "5"
    & skf21("5","2","5","3","6","1","7","1") = "6"
    & skf21("5","2","5","3","6","2","1","1") = "5"
    & skf21("5","2","5","3","6","2","2","1") = "5"
    & skf21("5","2","5","3","6","2","3","1") = "5"
    & skf21("5","2","5","3","6","2","4","1") = "5"
    & skf21("5","2","5","3","6","2","5","1") = "5"
    & skf21("5","2","5","3","6","2","6","1") = "5"
    & skf21("5","2","5","3","6","2","7","1") = "6"
    & skf21("5","2","5","3","6","3","1","1") = "5"
    & skf21("5","2","5","3","6","3","2","1") = "5"
    & skf21("5","2","5","3","6","3","3","1") = "5"
    & skf21("5","2","5","3","6","3","4","1") = "5"
    & skf21("5","2","5","3","6","3","5","1") = "5"
    & skf21("5","2","5","3","6","3","6","1") = "5"
    & skf21("5","2","5","3","6","3","7","1") = "6"
    & skf21("5","2","5","3","6","4","1","1") = "5"
    & skf21("5","2","5","3","6","4","2","1") = "5"
    & skf21("5","2","5","3","6","4","3","1") = "5"
    & skf21("5","2","5","3","6","4","4","1") = "5"
    & skf21("5","2","5","3","6","4","5","1") = "5"
    & skf21("5","2","5","3","6","4","6","1") = "5"
    & skf21("5","2","5","3","6","4","7","1") = "6"
    & skf21("5","2","5","3","6","5","1","1") = "5"
    & skf21("5","2","5","3","6","5","2","1") = "5"
    & skf21("5","2","5","3","6","5","3","1") = "5"
    & skf21("5","2","5","3","6","5","4","1") = "5"
    & skf21("5","2","5","3","6","5","5","1") = "5"
    & skf21("5","2","5","3","6","5","6","1") = "5"
    & skf21("5","2","5","3","6","5","7","1") = "6"
    & skf21("5","2","5","3","6","6","1","1") = "5"
    & skf21("5","2","5","3","6","6","2","1") = "5"
    & skf21("5","2","5","3","6","6","3","1") = "5"
    & skf21("5","2","5","3","6","6","4","1") = "5"
    & skf21("5","2","5","3","6","6","5","1") = "5"
    & skf21("5","2","5","3","6","6","6","1") = "5"
    & skf21("5","2","5","3","6","6","7","1") = "6"
    & skf21("5","2","5","3","6","7","1","1") = "6"
    & skf21("5","2","5","3","6","7","2","1") = "6"
    & skf21("5","2","5","3","6","7","3","1") = "6"
    & skf21("5","2","5","3","6","7","4","1") = "6"
    & skf21("5","2","5","3","6","7","5","1") = "6"
    & skf21("5","2","5","3","6","7","6","1") = "6"
    & skf21("5","2","5","3","6","7","7","1") = "6"
    & skf21("5","2","5","3","7","1","1","1") = "6"
    & skf21("5","2","5","3","7","1","2","1") = "6"
    & skf21("5","2","5","3","7","1","3","1") = "6"
    & skf21("5","2","5","3","7","1","4","1") = "6"
    & skf21("5","2","5","3","7","1","5","1") = "6"
    & skf21("5","2","5","3","7","1","6","1") = "6"
    & skf21("5","2","5","3","7","1","7","1") = "6"
    & skf21("5","2","5","3","7","2","1","1") = "6"
    & skf21("5","2","5","3","7","2","2","1") = "6"
    & skf21("5","2","5","3","7","2","3","1") = "6"
    & skf21("5","2","5","3","7","2","4","1") = "6"
    & skf21("5","2","5","3","7","2","5","1") = "6"
    & skf21("5","2","5","3","7","2","6","1") = "6"
    & skf21("5","2","5","3","7","2","7","1") = "6"
    & skf21("5","2","5","3","7","3","1","1") = "6"
    & skf21("5","2","5","3","7","3","2","1") = "6"
    & skf21("5","2","5","3","7","3","3","1") = "6"
    & skf21("5","2","5","3","7","3","4","1") = "6"
    & skf21("5","2","5","3","7","3","5","1") = "6"
    & skf21("5","2","5","3","7","3","6","1") = "6"
    & skf21("5","2","5","3","7","3","7","1") = "6"
    & skf21("5","2","5","3","7","4","1","1") = "6"
    & skf21("5","2","5","3","7","4","2","1") = "6"
    & skf21("5","2","5","3","7","4","3","1") = "6"
    & skf21("5","2","5","3","7","4","4","1") = "6"
    & skf21("5","2","5","3","7","4","5","1") = "6"
    & skf21("5","2","5","3","7","4","6","1") = "6"
    & skf21("5","2","5","3","7","4","7","1") = "6"
    & skf21("5","2","5","3","7","5","1","1") = "6"
    & skf21("5","2","5","3","7","5","2","1") = "6"
    & skf21("5","2","5","3","7","5","3","1") = "6"
    & skf21("5","2","5","3","7","5","4","1") = "6"
    & skf21("5","2","5","3","7","5","5","1") = "6"
    & skf21("5","2","5","3","7","5","6","1") = "6"
    & skf21("5","2","5","3","7","5","7","1") = "6"
    & skf21("5","2","5","3","7","6","1","1") = "6"
    & skf21("5","2","5","3","7","6","2","1") = "6"
    & skf21("5","2","5","3","7","6","3","1") = "6"
    & skf21("5","2","5","3","7","6","4","1") = "6"
    & skf21("5","2","5","3","7","6","5","1") = "6"
    & skf21("5","2","5","3","7","6","6","1") = "6"
    & skf21("5","2","5","3","7","6","7","1") = "6"
    & skf21("5","2","5","3","7","7","1","1") = "6"
    & skf21("5","2","5","3","7","7","2","1") = "6"
    & skf21("5","2","5","3","7","7","3","1") = "6"
    & skf21("5","2","5","3","7","7","4","1") = "6"
    & skf21("5","2","5","3","7","7","5","1") = "6"
    & skf21("5","2","5","3","7","7","6","1") = "6"
    & skf21("5","2","5","3","7","7","7","1") = "6"
    & skf21("5","2","5","4","1","1","1","1") = "4"
    & skf21("5","2","5","4","1","1","2","1") = "4"
    & skf21("5","2","5","4","1","1","3","1") = "4"
    & skf21("5","2","5","4","1","1","4","1") = "4"
    & skf21("5","2","5","4","1","1","5","1") = "4"
    & skf21("5","2","5","4","1","1","6","1") = "5"
    & skf21("5","2","5","4","1","1","7","1") = "6"
    & skf21("5","2","5","4","1","2","1","1") = "4"
    & skf21("5","2","5","4","1","2","2","1") = "4"
    & skf21("5","2","5","4","1","2","3","1") = "4"
    & skf21("5","2","5","4","1","2","4","1") = "4"
    & skf21("5","2","5","4","1","2","5","1") = "4"
    & skf21("5","2","5","4","1","2","6","1") = "5"
    & skf21("5","2","5","4","1","2","7","1") = "6"
    & skf21("5","2","5","4","1","3","1","1") = "4"
    & skf21("5","2","5","4","1","3","2","1") = "4"
    & skf21("5","2","5","4","1","3","3","1") = "4"
    & skf21("5","2","5","4","1","3","4","1") = "4"
    & skf21("5","2","5","4","1","3","5","1") = "4"
    & skf21("5","2","5","4","1","3","6","1") = "5"
    & skf21("5","2","5","4","1","3","7","1") = "6"
    & skf21("5","2","5","4","1","4","1","1") = "4"
    & skf21("5","2","5","4","1","4","2","1") = "4"
    & skf21("5","2","5","4","1","4","3","1") = "4"
    & skf21("5","2","5","4","1","4","4","1") = "4"
    & skf21("5","2","5","4","1","4","5","1") = "4"
    & skf21("5","2","5","4","1","4","6","1") = "5"
    & skf21("5","2","5","4","1","4","7","1") = "6"
    & skf21("5","2","5","4","1","5","1","1") = "4"
    & skf21("5","2","5","4","1","5","2","1") = "4"
    & skf21("5","2","5","4","1","5","3","1") = "4"
    & skf21("5","2","5","4","1","5","4","1") = "4"
    & skf21("5","2","5","4","1","5","5","1") = "4"
    & skf21("5","2","5","4","1","5","6","1") = "5"
    & skf21("5","2","5","4","1","5","7","1") = "6"
    & skf21("5","2","5","4","1","6","1","1") = "5"
    & skf21("5","2","5","4","1","6","2","1") = "5"
    & skf21("5","2","5","4","1","6","3","1") = "5"
    & skf21("5","2","5","4","1","6","4","1") = "5"
    & skf21("5","2","5","4","1","6","5","1") = "5"
    & skf21("5","2","5","4","1","6","6","1") = "5"
    & skf21("5","2","5","4","1","6","7","1") = "6"
    & skf21("5","2","5","4","1","7","1","1") = "6"
    & skf21("5","2","5","4","1","7","2","1") = "6"
    & skf21("5","2","5","4","1","7","3","1") = "6"
    & skf21("5","2","5","4","1","7","4","1") = "6"
    & skf21("5","2","5","4","1","7","5","1") = "6"
    & skf21("5","2","5","4","1","7","6","1") = "6"
    & skf21("5","2","5","4","1","7","7","1") = "6"
    & skf21("5","2","5","4","2","1","1","1") = "4"
    & skf21("5","2","5","4","2","1","2","1") = "4"
    & skf21("5","2","5","4","2","1","3","1") = "4"
    & skf21("5","2","5","4","2","1","4","1") = "4"
    & skf21("5","2","5","4","2","1","5","1") = "4"
    & skf21("5","2","5","4","2","1","6","1") = "5"
    & skf21("5","2","5","4","2","1","7","1") = "6"
    & skf21("5","2","5","4","2","2","1","1") = "4"
    & skf21("5","2","5","4","2","2","2","1") = "4"
    & skf21("5","2","5","4","2","2","3","1") = "4"
    & skf21("5","2","5","4","2","2","4","1") = "4"
    & skf21("5","2","5","4","2","2","5","1") = "4"
    & skf21("5","2","5","4","2","2","6","1") = "5"
    & skf21("5","2","5","4","2","2","7","1") = "6"
    & skf21("5","2","5","4","2","3","1","1") = "4"
    & skf21("5","2","5","4","2","3","2","1") = "4"
    & skf21("5","2","5","4","2","3","3","1") = "4"
    & skf21("5","2","5","4","2","3","4","1") = "4"
    & skf21("5","2","5","4","2","3","5","1") = "4"
    & skf21("5","2","5","4","2","3","6","1") = "5"
    & skf21("5","2","5","4","2","3","7","1") = "6"
    & skf21("5","2","5","4","2","4","1","1") = "4"
    & skf21("5","2","5","4","2","4","2","1") = "4"
    & skf21("5","2","5","4","2","4","3","1") = "4"
    & skf21("5","2","5","4","2","4","4","1") = "4"
    & skf21("5","2","5","4","2","4","5","1") = "4"
    & skf21("5","2","5","4","2","4","6","1") = "5"
    & skf21("5","2","5","4","2","4","7","1") = "6"
    & skf21("5","2","5","4","2","5","1","1") = "4"
    & skf21("5","2","5","4","2","5","2","1") = "4"
    & skf21("5","2","5","4","2","5","3","1") = "4"
    & skf21("5","2","5","4","2","5","4","1") = "4"
    & skf21("5","2","5","4","2","5","5","1") = "4"
    & skf21("5","2","5","4","2","5","6","1") = "5"
    & skf21("5","2","5","4","2","5","7","1") = "6"
    & skf21("5","2","5","4","2","6","1","1") = "5"
    & skf21("5","2","5","4","2","6","2","1") = "5"
    & skf21("5","2","5","4","2","6","3","1") = "5"
    & skf21("5","2","5","4","2","6","4","1") = "5"
    & skf21("5","2","5","4","2","6","5","1") = "5"
    & skf21("5","2","5","4","2","6","6","1") = "5"
    & skf21("5","2","5","4","2","6","7","1") = "6"
    & skf21("5","2","5","4","2","7","1","1") = "6"
    & skf21("5","2","5","4","2","7","2","1") = "6"
    & skf21("5","2","5","4","2","7","3","1") = "6"
    & skf21("5","2","5","4","2","7","4","1") = "6"
    & skf21("5","2","5","4","2","7","5","1") = "6"
    & skf21("5","2","5","4","2","7","6","1") = "6"
    & skf21("5","2","5","4","2","7","7","1") = "6"
    & skf21("5","2","5","4","3","1","1","1") = "4"
    & skf21("5","2","5","4","3","1","2","1") = "4"
    & skf21("5","2","5","4","3","1","3","1") = "4"
    & skf21("5","2","5","4","3","1","4","1") = "4"
    & skf21("5","2","5","4","3","1","5","1") = "4"
    & skf21("5","2","5","4","3","1","6","1") = "5"
    & skf21("5","2","5","4","3","1","7","1") = "6"
    & skf21("5","2","5","4","3","2","1","1") = "4"
    & skf21("5","2","5","4","3","2","2","1") = "4"
    & skf21("5","2","5","4","3","2","3","1") = "4"
    & skf21("5","2","5","4","3","2","4","1") = "4"
    & skf21("5","2","5","4","3","2","5","1") = "4"
    & skf21("5","2","5","4","3","2","6","1") = "5"
    & skf21("5","2","5","4","3","2","7","1") = "6"
    & skf21("5","2","5","4","3","3","1","1") = "4"
    & skf21("5","2","5","4","3","3","2","1") = "4"
    & skf21("5","2","5","4","3","3","3","1") = "4"
    & skf21("5","2","5","4","3","3","4","1") = "4"
    & skf21("5","2","5","4","3","3","5","1") = "4"
    & skf21("5","2","5","4","3","3","6","1") = "5"
    & skf21("5","2","5","4","3","3","7","1") = "6"
    & skf21("5","2","5","4","3","4","1","1") = "4"
    & skf21("5","2","5","4","3","4","2","1") = "4"
    & skf21("5","2","5","4","3","4","3","1") = "4"
    & skf21("5","2","5","4","3","4","4","1") = "4"
    & skf21("5","2","5","4","3","4","5","1") = "4"
    & skf21("5","2","5","4","3","4","6","1") = "5"
    & skf21("5","2","5","4","3","4","7","1") = "6"
    & skf21("5","2","5","4","3","5","1","1") = "4"
    & skf21("5","2","5","4","3","5","2","1") = "4"
    & skf21("5","2","5","4","3","5","3","1") = "4"
    & skf21("5","2","5","4","3","5","4","1") = "4"
    & skf21("5","2","5","4","3","5","5","1") = "4"
    & skf21("5","2","5","4","3","5","6","1") = "5"
    & skf21("5","2","5","4","3","5","7","1") = "6"
    & skf21("5","2","5","4","3","6","1","1") = "5"
    & skf21("5","2","5","4","3","6","2","1") = "5"
    & skf21("5","2","5","4","3","6","3","1") = "5"
    & skf21("5","2","5","4","3","6","4","1") = "5"
    & skf21("5","2","5","4","3","6","5","1") = "5"
    & skf21("5","2","5","4","3","6","6","1") = "5"
    & skf21("5","2","5","4","3","6","7","1") = "6"
    & skf21("5","2","5","4","3","7","1","1") = "6"
    & skf21("5","2","5","4","3","7","2","1") = "6"
    & skf21("5","2","5","4","3","7","3","1") = "6"
    & skf21("5","2","5","4","3","7","4","1") = "6"
    & skf21("5","2","5","4","3","7","5","1") = "6"
    & skf21("5","2","5","4","3","7","6","1") = "6"
    & skf21("5","2","5","4","3","7","7","1") = "6"
    & skf21("5","2","5","4","4","1","1","1") = "4"
    & skf21("5","2","5","4","4","1","2","1") = "4"
    & skf21("5","2","5","4","4","1","3","1") = "4"
    & skf21("5","2","5","4","4","1","4","1") = "4"
    & skf21("5","2","5","4","4","1","5","1") = "4"
    & skf21("5","2","5","4","4","1","6","1") = "5"
    & skf21("5","2","5","4","4","1","7","1") = "6"
    & skf21("5","2","5","4","4","2","1","1") = "4"
    & skf21("5","2","5","4","4","2","2","1") = "4"
    & skf21("5","2","5","4","4","2","3","1") = "4"
    & skf21("5","2","5","4","4","2","4","1") = "4"
    & skf21("5","2","5","4","4","2","5","1") = "4"
    & skf21("5","2","5","4","4","2","6","1") = "5"
    & skf21("5","2","5","4","4","2","7","1") = "6"
    & skf21("5","2","5","4","4","3","1","1") = "4"
    & skf21("5","2","5","4","4","3","2","1") = "4"
    & skf21("5","2","5","4","4","3","3","1") = "4"
    & skf21("5","2","5","4","4","3","4","1") = "4"
    & skf21("5","2","5","4","4","3","5","1") = "4"
    & skf21("5","2","5","4","4","3","6","1") = "5"
    & skf21("5","2","5","4","4","3","7","1") = "6"
    & skf21("5","2","5","4","4","4","1","1") = "4"
    & skf21("5","2","5","4","4","4","2","1") = "4"
    & skf21("5","2","5","4","4","4","3","1") = "4"
    & skf21("5","2","5","4","4","4","4","1") = "4"
    & skf21("5","2","5","4","4","4","5","1") = "4"
    & skf21("5","2","5","4","4","4","6","1") = "5"
    & skf21("5","2","5","4","4","4","7","1") = "6"
    & skf21("5","2","5","4","4","5","1","1") = "4"
    & skf21("5","2","5","4","4","5","2","1") = "4"
    & skf21("5","2","5","4","4","5","3","1") = "4"
    & skf21("5","2","5","4","4","5","4","1") = "4"
    & skf21("5","2","5","4","4","5","5","1") = "4"
    & skf21("5","2","5","4","4","5","6","1") = "5"
    & skf21("5","2","5","4","4","5","7","1") = "6"
    & skf21("5","2","5","4","4","6","1","1") = "5"
    & skf21("5","2","5","4","4","6","2","1") = "5"
    & skf21("5","2","5","4","4","6","3","1") = "5"
    & skf21("5","2","5","4","4","6","4","1") = "5"
    & skf21("5","2","5","4","4","6","5","1") = "5"
    & skf21("5","2","5","4","4","6","6","1") = "5"
    & skf21("5","2","5","4","4","6","7","1") = "6"
    & skf21("5","2","5","4","4","7","1","1") = "6"
    & skf21("5","2","5","4","4","7","2","1") = "6"
    & skf21("5","2","5","4","4","7","3","1") = "6"
    & skf21("5","2","5","4","4","7","4","1") = "6"
    & skf21("5","2","5","4","4","7","5","1") = "6"
    & skf21("5","2","5","4","4","7","6","1") = "6"
    & skf21("5","2","5","4","4","7","7","1") = "6"
    & skf21("5","2","5","4","5","1","1","1") = "4"
    & skf21("5","2","5","4","5","1","2","1") = "4"
    & skf21("5","2","5","4","5","1","3","1") = "4"
    & skf21("5","2","5","4","5","1","4","1") = "4"
    & skf21("5","2","5","4","5","1","5","1") = "4"
    & skf21("5","2","5","4","5","1","6","1") = "5"
    & skf21("5","2","5","4","5","1","7","1") = "6"
    & skf21("5","2","5","4","5","2","1","1") = "4"
    & skf21("5","2","5","4","5","2","2","1") = "4"
    & skf21("5","2","5","4","5","2","3","1") = "4"
    & skf21("5","2","5","4","5","2","4","1") = "4"
    & skf21("5","2","5","4","5","2","5","1") = "4"
    & skf21("5","2","5","4","5","2","6","1") = "5"
    & skf21("5","2","5","4","5","2","7","1") = "6"
    & skf21("5","2","5","4","5","3","1","1") = "4"
    & skf21("5","2","5","4","5","3","2","1") = "4"
    & skf21("5","2","5","4","5","3","3","1") = "4"
    & skf21("5","2","5","4","5","3","4","1") = "4"
    & skf21("5","2","5","4","5","3","5","1") = "4"
    & skf21("5","2","5","4","5","3","6","1") = "5"
    & skf21("5","2","5","4","5","3","7","1") = "6"
    & skf21("5","2","5","4","5","4","1","1") = "4"
    & skf21("5","2","5","4","5","4","2","1") = "4"
    & skf21("5","2","5","4","5","4","3","1") = "4"
    & skf21("5","2","5","4","5","4","4","1") = "4"
    & skf21("5","2","5","4","5","4","5","1") = "4"
    & skf21("5","2","5","4","5","4","6","1") = "5"
    & skf21("5","2","5","4","5","4","7","1") = "6"
    & skf21("5","2","5","4","5","5","1","1") = "4"
    & skf21("5","2","5","4","5","5","2","1") = "4"
    & skf21("5","2","5","4","5","5","3","1") = "4"
    & skf21("5","2","5","4","5","5","4","1") = "4"
    & skf21("5","2","5","4","5","5","5","1") = "4"
    & skf21("5","2","5","4","5","5","6","1") = "5"
    & skf21("5","2","5","4","5","5","7","1") = "6"
    & skf21("5","2","5","4","5","6","1","1") = "5"
    & skf21("5","2","5","4","5","6","2","1") = "5"
    & skf21("5","2","5","4","5","6","3","1") = "5"
    & skf21("5","2","5","4","5","6","4","1") = "5"
    & skf21("5","2","5","4","5","6","5","1") = "5"
    & skf21("5","2","5","4","5","6","6","1") = "5"
    & skf21("5","2","5","4","5","6","7","1") = "6"
    & skf21("5","2","5","4","5","7","1","1") = "6"
    & skf21("5","2","5","4","5","7","2","1") = "6"
    & skf21("5","2","5","4","5","7","3","1") = "6"
    & skf21("5","2","5","4","5","7","4","1") = "6"
    & skf21("5","2","5","4","5","7","5","1") = "6"
    & skf21("5","2","5","4","5","7","6","1") = "6"
    & skf21("5","2","5","4","5","7","7","1") = "6"
    & skf21("5","2","5","4","6","1","1","1") = "5"
    & skf21("5","2","5","4","6","1","2","1") = "5"
    & skf21("5","2","5","4","6","1","3","1") = "5"
    & skf21("5","2","5","4","6","1","4","1") = "5"
    & skf21("5","2","5","4","6","1","5","1") = "5"
    & skf21("5","2","5","4","6","1","6","1") = "5"
    & skf21("5","2","5","4","6","1","7","1") = "6"
    & skf21("5","2","5","4","6","2","1","1") = "5"
    & skf21("5","2","5","4","6","2","2","1") = "5"
    & skf21("5","2","5","4","6","2","3","1") = "5"
    & skf21("5","2","5","4","6","2","4","1") = "5"
    & skf21("5","2","5","4","6","2","5","1") = "5"
    & skf21("5","2","5","4","6","2","6","1") = "5"
    & skf21("5","2","5","4","6","2","7","1") = "6"
    & skf21("5","2","5","4","6","3","1","1") = "5"
    & skf21("5","2","5","4","6","3","2","1") = "5"
    & skf21("5","2","5","4","6","3","3","1") = "5"
    & skf21("5","2","5","4","6","3","4","1") = "5"
    & skf21("5","2","5","4","6","3","5","1") = "5"
    & skf21("5","2","5","4","6","3","6","1") = "5"
    & skf21("5","2","5","4","6","3","7","1") = "6"
    & skf21("5","2","5","4","6","4","1","1") = "5"
    & skf21("5","2","5","4","6","4","2","1") = "5"
    & skf21("5","2","5","4","6","4","3","1") = "5"
    & skf21("5","2","5","4","6","4","4","1") = "5"
    & skf21("5","2","5","4","6","4","5","1") = "5"
    & skf21("5","2","5","4","6","4","6","1") = "5"
    & skf21("5","2","5","4","6","4","7","1") = "6"
    & skf21("5","2","5","4","6","5","1","1") = "5"
    & skf21("5","2","5","4","6","5","2","1") = "5"
    & skf21("5","2","5","4","6","5","3","1") = "5"
    & skf21("5","2","5","4","6","5","4","1") = "5"
    & skf21("5","2","5","4","6","5","5","1") = "5"
    & skf21("5","2","5","4","6","5","6","1") = "5"
    & skf21("5","2","5","4","6","5","7","1") = "6"
    & skf21("5","2","5","4","6","6","1","1") = "5"
    & skf21("5","2","5","4","6","6","2","1") = "5"
    & skf21("5","2","5","4","6","6","3","1") = "5"
    & skf21("5","2","5","4","6","6","4","1") = "5"
    & skf21("5","2","5","4","6","6","5","1") = "5"
    & skf21("5","2","5","4","6","6","6","1") = "5"
    & skf21("5","2","5","4","6","6","7","1") = "6"
    & skf21("5","2","5","4","6","7","1","1") = "6"
    & skf21("5","2","5","4","6","7","2","1") = "6"
    & skf21("5","2","5","4","6","7","3","1") = "6"
    & skf21("5","2","5","4","6","7","4","1") = "6"
    & skf21("5","2","5","4","6","7","5","1") = "6"
    & skf21("5","2","5","4","6","7","6","1") = "6"
    & skf21("5","2","5","4","6","7","7","1") = "6"
    & skf21("5","2","5","4","7","1","1","1") = "6"
    & skf21("5","2","5","4","7","1","2","1") = "6"
    & skf21("5","2","5","4","7","1","3","1") = "6"
    & skf21("5","2","5","4","7","1","4","1") = "6"
    & skf21("5","2","5","4","7","1","5","1") = "6"
    & skf21("5","2","5","4","7","1","6","1") = "6"
    & skf21("5","2","5","4","7","1","7","1") = "6"
    & skf21("5","2","5","4","7","2","1","1") = "6"
    & skf21("5","2","5","4","7","2","2","1") = "6"
    & skf21("5","2","5","4","7","2","3","1") = "6"
    & skf21("5","2","5","4","7","2","4","1") = "6"
    & skf21("5","2","5","4","7","2","5","1") = "6"
    & skf21("5","2","5","4","7","2","6","1") = "6"
    & skf21("5","2","5","4","7","2","7","1") = "6"
    & skf21("5","2","5","4","7","3","1","1") = "6"
    & skf21("5","2","5","4","7","3","2","1") = "6"
    & skf21("5","2","5","4","7","3","3","1") = "6"
    & skf21("5","2","5","4","7","3","4","1") = "6"
    & skf21("5","2","5","4","7","3","5","1") = "6"
    & skf21("5","2","5","4","7","3","6","1") = "6"
    & skf21("5","2","5","4","7","3","7","1") = "6"
    & skf21("5","2","5","4","7","4","1","1") = "6"
    & skf21("5","2","5","4","7","4","2","1") = "6"
    & skf21("5","2","5","4","7","4","3","1") = "6"
    & skf21("5","2","5","4","7","4","4","1") = "6"
    & skf21("5","2","5","4","7","4","5","1") = "6"
    & skf21("5","2","5","4","7","4","6","1") = "6"
    & skf21("5","2","5","4","7","4","7","1") = "6"
    & skf21("5","2","5","4","7","5","1","1") = "6"
    & skf21("5","2","5","4","7","5","2","1") = "6"
    & skf21("5","2","5","4","7","5","3","1") = "6"
    & skf21("5","2","5","4","7","5","4","1") = "6"
    & skf21("5","2","5","4","7","5","5","1") = "6"
    & skf21("5","2","5","4","7","5","6","1") = "6"
    & skf21("5","2","5","4","7","5","7","1") = "6"
    & skf21("5","2","5","4","7","6","1","1") = "6"
    & skf21("5","2","5","4","7","6","2","1") = "6"
    & skf21("5","2","5","4","7","6","3","1") = "6"
    & skf21("5","2","5","4","7","6","4","1") = "6"
    & skf21("5","2","5","4","7","6","5","1") = "6"
    & skf21("5","2","5","4","7","6","6","1") = "6"
    & skf21("5","2","5","4","7","6","7","1") = "6"
    & skf21("5","2","5","4","7","7","1","1") = "6"
    & skf21("5","2","5","4","7","7","2","1") = "6"
    & skf21("5","2","5","4","7","7","3","1") = "6"
    & skf21("5","2","5","4","7","7","4","1") = "6"
    & skf21("5","2","5","4","7","7","5","1") = "6"
    & skf21("5","2","5","4","7","7","6","1") = "6"
    & skf21("5","2","5","4","7","7","7","1") = "6"
    & skf21("5","2","5","5","1","1","1","1") = "4"
    & skf21("5","2","5","5","1","1","2","1") = "4"
    & skf21("5","2","5","5","1","1","3","1") = "4"
    & skf21("5","2","5","5","1","1","4","1") = "4"
    & skf21("5","2","5","5","1","1","5","1") = "4"
    & skf21("5","2","5","5","1","1","6","1") = "5"
    & skf21("5","2","5","5","1","1","7","1") = "6"
    & skf21("5","2","5","5","1","2","1","1") = "4"
    & skf21("5","2","5","5","1","2","2","1") = "4"
    & skf21("5","2","5","5","1","2","3","1") = "4"
    & skf21("5","2","5","5","1","2","4","1") = "4"
    & skf21("5","2","5","5","1","2","5","1") = "4"
    & skf21("5","2","5","5","1","2","6","1") = "5"
    & skf21("5","2","5","5","1","2","7","1") = "6"
    & skf21("5","2","5","5","1","3","1","1") = "4"
    & skf21("5","2","5","5","1","3","2","1") = "4"
    & skf21("5","2","5","5","1","3","3","1") = "4"
    & skf21("5","2","5","5","1","3","4","1") = "4"
    & skf21("5","2","5","5","1","3","5","1") = "4"
    & skf21("5","2","5","5","1","3","6","1") = "5"
    & skf21("5","2","5","5","1","3","7","1") = "6"
    & skf21("5","2","5","5","1","4","1","1") = "4"
    & skf21("5","2","5","5","1","4","2","1") = "4"
    & skf21("5","2","5","5","1","4","3","1") = "4"
    & skf21("5","2","5","5","1","4","4","1") = "4"
    & skf21("5","2","5","5","1","4","5","1") = "4"
    & skf21("5","2","5","5","1","4","6","1") = "5"
    & skf21("5","2","5","5","1","4","7","1") = "6"
    & skf21("5","2","5","5","1","5","1","1") = "4"
    & skf21("5","2","5","5","1","5","2","1") = "4"
    & skf21("5","2","5","5","1","5","3","1") = "4"
    & skf21("5","2","5","5","1","5","4","1") = "4"
    & skf21("5","2","5","5","1","5","5","1") = "4"
    & skf21("5","2","5","5","1","5","6","1") = "5"
    & skf21("5","2","5","5","1","5","7","1") = "6"
    & skf21("5","2","5","5","1","6","1","1") = "5"
    & skf21("5","2","5","5","1","6","2","1") = "5"
    & skf21("5","2","5","5","1","6","3","1") = "5"
    & skf21("5","2","5","5","1","6","4","1") = "5"
    & skf21("5","2","5","5","1","6","5","1") = "5"
    & skf21("5","2","5","5","1","6","6","1") = "5"
    & skf21("5","2","5","5","1","6","7","1") = "6"
    & skf21("5","2","5","5","1","7","1","1") = "6"
    & skf21("5","2","5","5","1","7","2","1") = "6"
    & skf21("5","2","5","5","1","7","3","1") = "6"
    & skf21("5","2","5","5","1","7","4","1") = "6"
    & skf21("5","2","5","5","1","7","5","1") = "6"
    & skf21("5","2","5","5","1","7","6","1") = "6"
    & skf21("5","2","5","5","1","7","7","1") = "6"
    & skf21("5","2","5","5","2","1","1","1") = "4"
    & skf21("5","2","5","5","2","1","2","1") = "4"
    & skf21("5","2","5","5","2","1","3","1") = "4"
    & skf21("5","2","5","5","2","1","4","1") = "4"
    & skf21("5","2","5","5","2","1","5","1") = "4"
    & skf21("5","2","5","5","2","1","6","1") = "5"
    & skf21("5","2","5","5","2","1","7","1") = "6"
    & skf21("5","2","5","5","2","2","1","1") = "4"
    & skf21("5","2","5","5","2","2","2","1") = "4"
    & skf21("5","2","5","5","2","2","3","1") = "4"
    & skf21("5","2","5","5","2","2","4","1") = "4"
    & skf21("5","2","5","5","2","2","5","1") = "4"
    & skf21("5","2","5","5","2","2","6","1") = "5"
    & skf21("5","2","5","5","2","2","7","1") = "6"
    & skf21("5","2","5","5","2","3","1","1") = "4"
    & skf21("5","2","5","5","2","3","2","1") = "4"
    & skf21("5","2","5","5","2","3","3","1") = "4"
    & skf21("5","2","5","5","2","3","4","1") = "4"
    & skf21("5","2","5","5","2","3","5","1") = "4"
    & skf21("5","2","5","5","2","3","6","1") = "5"
    & skf21("5","2","5","5","2","3","7","1") = "6"
    & skf21("5","2","5","5","2","4","1","1") = "4"
    & skf21("5","2","5","5","2","4","2","1") = "4"
    & skf21("5","2","5","5","2","4","3","1") = "4"
    & skf21("5","2","5","5","2","4","4","1") = "4"
    & skf21("5","2","5","5","2","4","5","1") = "4"
    & skf21("5","2","5","5","2","4","6","1") = "5"
    & skf21("5","2","5","5","2","4","7","1") = "6"
    & skf21("5","2","5","5","2","5","1","1") = "4"
    & skf21("5","2","5","5","2","5","2","1") = "4"
    & skf21("5","2","5","5","2","5","3","1") = "4"
    & skf21("5","2","5","5","2","5","4","1") = "4"
    & skf21("5","2","5","5","2","5","5","1") = "4"
    & skf21("5","2","5","5","2","5","6","1") = "5"
    & skf21("5","2","5","5","2","5","7","1") = "6"
    & skf21("5","2","5","5","2","6","1","1") = "5"
    & skf21("5","2","5","5","2","6","2","1") = "5"
    & skf21("5","2","5","5","2","6","3","1") = "5"
    & skf21("5","2","5","5","2","6","4","1") = "5"
    & skf21("5","2","5","5","2","6","5","1") = "5"
    & skf21("5","2","5","5","2","6","6","1") = "5"
    & skf21("5","2","5","5","2","6","7","1") = "6"
    & skf21("5","2","5","5","2","7","1","1") = "6"
    & skf21("5","2","5","5","2","7","2","1") = "6"
    & skf21("5","2","5","5","2","7","3","1") = "6"
    & skf21("5","2","5","5","2","7","4","1") = "6"
    & skf21("5","2","5","5","2","7","5","1") = "6"
    & skf21("5","2","5","5","2","7","6","1") = "6"
    & skf21("5","2","5","5","2","7","7","1") = "6"
    & skf21("5","2","5","5","3","1","1","1") = "4"
    & skf21("5","2","5","5","3","1","2","1") = "4"
    & skf21("5","2","5","5","3","1","3","1") = "4"
    & skf21("5","2","5","5","3","1","4","1") = "4"
    & skf21("5","2","5","5","3","1","5","1") = "4"
    & skf21("5","2","5","5","3","1","6","1") = "5"
    & skf21("5","2","5","5","3","1","7","1") = "6"
    & skf21("5","2","5","5","3","2","1","1") = "4"
    & skf21("5","2","5","5","3","2","2","1") = "4"
    & skf21("5","2","5","5","3","2","3","1") = "4"
    & skf21("5","2","5","5","3","2","4","1") = "4"
    & skf21("5","2","5","5","3","2","5","1") = "4"
    & skf21("5","2","5","5","3","2","6","1") = "5"
    & skf21("5","2","5","5","3","2","7","1") = "6"
    & skf21("5","2","5","5","3","3","1","1") = "4"
    & skf21("5","2","5","5","3","3","2","1") = "4"
    & skf21("5","2","5","5","3","3","3","1") = "4"
    & skf21("5","2","5","5","3","3","4","1") = "4"
    & skf21("5","2","5","5","3","3","5","1") = "4"
    & skf21("5","2","5","5","3","3","6","1") = "5"
    & skf21("5","2","5","5","3","3","7","1") = "6"
    & skf21("5","2","5","5","3","4","1","1") = "4"
    & skf21("5","2","5","5","3","4","2","1") = "4"
    & skf21("5","2","5","5","3","4","3","1") = "4"
    & skf21("5","2","5","5","3","4","4","1") = "4"
    & skf21("5","2","5","5","3","4","5","1") = "4"
    & skf21("5","2","5","5","3","4","6","1") = "5"
    & skf21("5","2","5","5","3","4","7","1") = "6"
    & skf21("5","2","5","5","3","5","1","1") = "4"
    & skf21("5","2","5","5","3","5","2","1") = "4"
    & skf21("5","2","5","5","3","5","3","1") = "4"
    & skf21("5","2","5","5","3","5","4","1") = "4"
    & skf21("5","2","5","5","3","5","5","1") = "4"
    & skf21("5","2","5","5","3","5","6","1") = "5"
    & skf21("5","2","5","5","3","5","7","1") = "6"
    & skf21("5","2","5","5","3","6","1","1") = "5"
    & skf21("5","2","5","5","3","6","2","1") = "5"
    & skf21("5","2","5","5","3","6","3","1") = "5"
    & skf21("5","2","5","5","3","6","4","1") = "5"
    & skf21("5","2","5","5","3","6","5","1") = "5"
    & skf21("5","2","5","5","3","6","6","1") = "5"
    & skf21("5","2","5","5","3","6","7","1") = "6"
    & skf21("5","2","5","5","3","7","1","1") = "6"
    & skf21("5","2","5","5","3","7","2","1") = "6"
    & skf21("5","2","5","5","3","7","3","1") = "6"
    & skf21("5","2","5","5","3","7","4","1") = "6"
    & skf21("5","2","5","5","3","7","5","1") = "6"
    & skf21("5","2","5","5","3","7","6","1") = "6"
    & skf21("5","2","5","5","3","7","7","1") = "6"
    & skf21("5","2","5","5","4","1","1","1") = "4"
    & skf21("5","2","5","5","4","1","2","1") = "4"
    & skf21("5","2","5","5","4","1","3","1") = "4"
    & skf21("5","2","5","5","4","1","4","1") = "4"
    & skf21("5","2","5","5","4","1","5","1") = "4"
    & skf21("5","2","5","5","4","1","6","1") = "5"
    & skf21("5","2","5","5","4","1","7","1") = "6"
    & skf21("5","2","5","5","4","2","1","1") = "4"
    & skf21("5","2","5","5","4","2","2","1") = "4"
    & skf21("5","2","5","5","4","2","3","1") = "4"
    & skf21("5","2","5","5","4","2","4","1") = "4"
    & skf21("5","2","5","5","4","2","5","1") = "4"
    & skf21("5","2","5","5","4","2","6","1") = "5"
    & skf21("5","2","5","5","4","2","7","1") = "6"
    & skf21("5","2","5","5","4","3","1","1") = "4"
    & skf21("5","2","5","5","4","3","2","1") = "4"
    & skf21("5","2","5","5","4","3","3","1") = "4"
    & skf21("5","2","5","5","4","3","4","1") = "4"
    & skf21("5","2","5","5","4","3","5","1") = "4"
    & skf21("5","2","5","5","4","3","6","1") = "5"
    & skf21("5","2","5","5","4","3","7","1") = "6"
    & skf21("5","2","5","5","4","4","1","1") = "4"
    & skf21("5","2","5","5","4","4","2","1") = "4"
    & skf21("5","2","5","5","4","4","3","1") = "4"
    & skf21("5","2","5","5","4","4","4","1") = "4"
    & skf21("5","2","5","5","4","4","5","1") = "4"
    & skf21("5","2","5","5","4","4","6","1") = "5"
    & skf21("5","2","5","5","4","4","7","1") = "6"
    & skf21("5","2","5","5","4","5","1","1") = "4"
    & skf21("5","2","5","5","4","5","2","1") = "4"
    & skf21("5","2","5","5","4","5","3","1") = "4"
    & skf21("5","2","5","5","4","5","4","1") = "4"
    & skf21("5","2","5","5","4","5","5","1") = "4"
    & skf21("5","2","5","5","4","5","6","1") = "5"
    & skf21("5","2","5","5","4","5","7","1") = "6"
    & skf21("5","2","5","5","4","6","1","1") = "5"
    & skf21("5","2","5","5","4","6","2","1") = "5"
    & skf21("5","2","5","5","4","6","3","1") = "5"
    & skf21("5","2","5","5","4","6","4","1") = "5"
    & skf21("5","2","5","5","4","6","5","1") = "5"
    & skf21("5","2","5","5","4","6","6","1") = "5"
    & skf21("5","2","5","5","4","6","7","1") = "6"
    & skf21("5","2","5","5","4","7","1","1") = "6"
    & skf21("5","2","5","5","4","7","2","1") = "6"
    & skf21("5","2","5","5","4","7","3","1") = "6"
    & skf21("5","2","5","5","4","7","4","1") = "6"
    & skf21("5","2","5","5","4","7","5","1") = "6"
    & skf21("5","2","5","5","4","7","6","1") = "6"
    & skf21("5","2","5","5","4","7","7","1") = "6"
    & skf21("5","2","5","5","5","1","1","1") = "4"
    & skf21("5","2","5","5","5","1","2","1") = "4"
    & skf21("5","2","5","5","5","1","3","1") = "4"
    & skf21("5","2","5","5","5","1","4","1") = "4"
    & skf21("5","2","5","5","5","1","5","1") = "4"
    & skf21("5","2","5","5","5","1","6","1") = "5"
    & skf21("5","2","5","5","5","1","7","1") = "6"
    & skf21("5","2","5","5","5","2","1","1") = "4"
    & skf21("5","2","5","5","5","2","2","1") = "4"
    & skf21("5","2","5","5","5","2","3","1") = "4"
    & skf21("5","2","5","5","5","2","4","1") = "4"
    & skf21("5","2","5","5","5","2","5","1") = "4"
    & skf21("5","2","5","5","5","2","6","1") = "5"
    & skf21("5","2","5","5","5","2","7","1") = "6"
    & skf21("5","2","5","5","5","3","1","1") = "4"
    & skf21("5","2","5","5","5","3","2","1") = "4"
    & skf21("5","2","5","5","5","3","3","1") = "4"
    & skf21("5","2","5","5","5","3","4","1") = "4"
    & skf21("5","2","5","5","5","3","5","1") = "4"
    & skf21("5","2","5","5","5","3","6","1") = "5"
    & skf21("5","2","5","5","5","3","7","1") = "6"
    & skf21("5","2","5","5","5","4","1","1") = "4"
    & skf21("5","2","5","5","5","4","2","1") = "4"
    & skf21("5","2","5","5","5","4","3","1") = "4"
    & skf21("5","2","5","5","5","4","4","1") = "4"
    & skf21("5","2","5","5","5","4","5","1") = "4"
    & skf21("5","2","5","5","5","4","6","1") = "5"
    & skf21("5","2","5","5","5","4","7","1") = "6"
    & skf21("5","2","5","5","5","5","1","1") = "4"
    & skf21("5","2","5","5","5","5","2","1") = "4"
    & skf21("5","2","5","5","5","5","3","1") = "4"
    & skf21("5","2","5","5","5","5","4","1") = "4"
    & skf21("5","2","5","5","5","5","5","1") = "4"
    & skf21("5","2","5","5","5","5","6","1") = "5"
    & skf21("5","2","5","5","5","5","7","1") = "6"
    & skf21("5","2","5","5","5","6","1","1") = "5"
    & skf21("5","2","5","5","5","6","2","1") = "5"
    & skf21("5","2","5","5","5","6","3","1") = "5"
    & skf21("5","2","5","5","5","6","4","1") = "5"
    & skf21("5","2","5","5","5","6","5","1") = "5"
    & skf21("5","2","5","5","5","6","6","1") = "5"
    & skf21("5","2","5","5","5","6","7","1") = "6"
    & skf21("5","2","5","5","5","7","1","1") = "6"
    & skf21("5","2","5","5","5","7","2","1") = "6"
    & skf21("5","2","5","5","5","7","3","1") = "6"
    & skf21("5","2","5","5","5","7","4","1") = "6"
    & skf21("5","2","5","5","5","7","5","1") = "6"
    & skf21("5","2","5","5","5","7","6","1") = "6"
    & skf21("5","2","5","5","5","7","7","1") = "6"
    & skf21("5","2","5","5","6","1","1","1") = "5"
    & skf21("5","2","5","5","6","1","2","1") = "5"
    & skf21("5","2","5","5","6","1","3","1") = "5"
    & skf21("5","2","5","5","6","1","4","1") = "5"
    & skf21("5","2","5","5","6","1","5","1") = "5"
    & skf21("5","2","5","5","6","1","6","1") = "5"
    & skf21("5","2","5","5","6","1","7","1") = "6"
    & skf21("5","2","5","5","6","2","1","1") = "5"
    & skf21("5","2","5","5","6","2","2","1") = "5"
    & skf21("5","2","5","5","6","2","3","1") = "5"
    & skf21("5","2","5","5","6","2","4","1") = "5"
    & skf21("5","2","5","5","6","2","5","1") = "5"
    & skf21("5","2","5","5","6","2","6","1") = "5"
    & skf21("5","2","5","5","6","2","7","1") = "6"
    & skf21("5","2","5","5","6","3","1","1") = "5"
    & skf21("5","2","5","5","6","3","2","1") = "5"
    & skf21("5","2","5","5","6","3","3","1") = "5"
    & skf21("5","2","5","5","6","3","4","1") = "5"
    & skf21("5","2","5","5","6","3","5","1") = "5"
    & skf21("5","2","5","5","6","3","6","1") = "5"
    & skf21("5","2","5","5","6","3","7","1") = "6"
    & skf21("5","2","5","5","6","4","1","1") = "5"
    & skf21("5","2","5","5","6","4","2","1") = "5"
    & skf21("5","2","5","5","6","4","3","1") = "5"
    & skf21("5","2","5","5","6","4","4","1") = "5"
    & skf21("5","2","5","5","6","4","5","1") = "5"
    & skf21("5","2","5","5","6","4","6","1") = "5"
    & skf21("5","2","5","5","6","4","7","1") = "6"
    & skf21("5","2","5","5","6","5","1","1") = "5"
    & skf21("5","2","5","5","6","5","2","1") = "5"
    & skf21("5","2","5","5","6","5","3","1") = "5"
    & skf21("5","2","5","5","6","5","4","1") = "5"
    & skf21("5","2","5","5","6","5","5","1") = "5"
    & skf21("5","2","5","5","6","5","6","1") = "5"
    & skf21("5","2","5","5","6","5","7","1") = "6"
    & skf21("5","2","5","5","6","6","1","1") = "5"
    & skf21("5","2","5","5","6","6","2","1") = "5"
    & skf21("5","2","5","5","6","6","3","1") = "5"
    & skf21("5","2","5","5","6","6","4","1") = "5"
    & skf21("5","2","5","5","6","6","5","1") = "5"
    & skf21("5","2","5","5","6","6","6","1") = "5"
    & skf21("5","2","5","5","6","6","7","1") = "6"
    & skf21("5","2","5","5","6","7","1","1") = "6"
    & skf21("5","2","5","5","6","7","2","1") = "6"
    & skf21("5","2","5","5","6","7","3","1") = "6"
    & skf21("5","2","5","5","6","7","4","1") = "6"
    & skf21("5","2","5","5","6","7","5","1") = "6"
    & skf21("5","2","5","5","6","7","6","1") = "6"
    & skf21("5","2","5","5","6","7","7","1") = "6"
    & skf21("5","2","5","5","7","1","1","1") = "6"
    & skf21("5","2","5","5","7","1","2","1") = "6"
    & skf21("5","2","5","5","7","1","3","1") = "6"
    & skf21("5","2","5","5","7","1","4","1") = "6"
    & skf21("5","2","5","5","7","1","5","1") = "6"
    & skf21("5","2","5","5","7","1","6","1") = "6"
    & skf21("5","2","5","5","7","1","7","1") = "6"
    & skf21("5","2","5","5","7","2","1","1") = "6"
    & skf21("5","2","5","5","7","2","2","1") = "6"
    & skf21("5","2","5","5","7","2","3","1") = "6"
    & skf21("5","2","5","5","7","2","4","1") = "6"
    & skf21("5","2","5","5","7","2","5","1") = "6"
    & skf21("5","2","5","5","7","2","6","1") = "6"
    & skf21("5","2","5","5","7","2","7","1") = "6"
    & skf21("5","2","5","5","7","3","1","1") = "6"
    & skf21("5","2","5","5","7","3","2","1") = "6"
    & skf21("5","2","5","5","7","3","3","1") = "6"
    & skf21("5","2","5","5","7","3","4","1") = "6"
    & skf21("5","2","5","5","7","3","5","1") = "6"
    & skf21("5","2","5","5","7","3","6","1") = "6"
    & skf21("5","2","5","5","7","3","7","1") = "6"
    & skf21("5","2","5","5","7","4","1","1") = "6"
    & skf21("5","2","5","5","7","4","2","1") = "6"
    & skf21("5","2","5","5","7","4","3","1") = "6"
    & skf21("5","2","5","5","7","4","4","1") = "6"
    & skf21("5","2","5","5","7","4","5","1") = "6"
    & skf21("5","2","5","5","7","4","6","1") = "6"
    & skf21("5","2","5","5","7","4","7","1") = "6"
    & skf21("5","2","5","5","7","5","1","1") = "6"
    & skf21("5","2","5","5","7","5","2","1") = "6"
    & skf21("5","2","5","5","7","5","3","1") = "6"
    & skf21("5","2","5","5","7","5","4","1") = "6"
    & skf21("5","2","5","5","7","5","5","1") = "6"
    & skf21("5","2","5","5","7","5","6","1") = "6"
    & skf21("5","2","5","5","7","5","7","1") = "6"
    & skf21("5","2","5","5","7","6","1","1") = "6"
    & skf21("5","2","5","5","7","6","2","1") = "6"
    & skf21("5","2","5","5","7","6","3","1") = "6"
    & skf21("5","2","5","5","7","6","4","1") = "6"
    & skf21("5","2","5","5","7","6","5","1") = "6"
    & skf21("5","2","5","5","7","6","6","1") = "6"
    & skf21("5","2","5","5","7","6","7","1") = "6"
    & skf21("5","2","5","5","7","7","1","1") = "6"
    & skf21("5","2","5","5","7","7","2","1") = "6"
    & skf21("5","2","5","5","7","7","3","1") = "6"
    & skf21("5","2","5","5","7","7","4","1") = "6"
    & skf21("5","2","5","5","7","7","5","1") = "6"
    & skf21("5","2","5","5","7","7","6","1") = "6"
    & skf21("5","2","5","5","7","7","7","1") = "6"
    & skf21("5","2","5","6","1","1","1","1") = "5"
    & skf21("5","2","5","6","1","1","2","1") = "5"
    & skf21("5","2","5","6","1","1","3","1") = "5"
    & skf21("5","2","5","6","1","1","4","1") = "5"
    & skf21("5","2","5","6","1","1","5","1") = "5"
    & skf21("5","2","5","6","1","1","6","1") = "5"
    & skf21("5","2","5","6","1","1","7","1") = "6"
    & skf21("5","2","5","6","1","2","1","1") = "5"
    & skf21("5","2","5","6","1","2","2","1") = "5"
    & skf21("5","2","5","6","1","2","3","1") = "5"
    & skf21("5","2","5","6","1","2","4","1") = "5"
    & skf21("5","2","5","6","1","2","5","1") = "5"
    & skf21("5","2","5","6","1","2","6","1") = "5"
    & skf21("5","2","5","6","1","2","7","1") = "6"
    & skf21("5","2","5","6","1","3","1","1") = "5"
    & skf21("5","2","5","6","1","3","2","1") = "5"
    & skf21("5","2","5","6","1","3","3","1") = "5"
    & skf21("5","2","5","6","1","3","4","1") = "5"
    & skf21("5","2","5","6","1","3","5","1") = "5"
    & skf21("5","2","5","6","1","3","6","1") = "5"
    & skf21("5","2","5","6","1","3","7","1") = "6"
    & skf21("5","2","5","6","1","4","1","1") = "5"
    & skf21("5","2","5","6","1","4","2","1") = "5"
    & skf21("5","2","5","6","1","4","3","1") = "5"
    & skf21("5","2","5","6","1","4","4","1") = "5"
    & skf21("5","2","5","6","1","4","5","1") = "5"
    & skf21("5","2","5","6","1","4","6","1") = "5"
    & skf21("5","2","5","6","1","4","7","1") = "6"
    & skf21("5","2","5","6","1","5","1","1") = "5"
    & skf21("5","2","5","6","1","5","2","1") = "5"
    & skf21("5","2","5","6","1","5","3","1") = "5"
    & skf21("5","2","5","6","1","5","4","1") = "5"
    & skf21("5","2","5","6","1","5","5","1") = "5"
    & skf21("5","2","5","6","1","5","6","1") = "5"
    & skf21("5","2","5","6","1","5","7","1") = "6"
    & skf21("5","2","5","6","1","6","1","1") = "5"
    & skf21("5","2","5","6","1","6","2","1") = "5"
    & skf21("5","2","5","6","1","6","3","1") = "5"
    & skf21("5","2","5","6","1","6","4","1") = "5"
    & skf21("5","2","5","6","1","6","5","1") = "5"
    & skf21("5","2","5","6","1","6","6","1") = "5"
    & skf21("5","2","5","6","1","6","7","1") = "6"
    & skf21("5","2","5","6","1","7","1","1") = "6"
    & skf21("5","2","5","6","1","7","2","1") = "6"
    & skf21("5","2","5","6","1","7","3","1") = "6"
    & skf21("5","2","5","6","1","7","4","1") = "6"
    & skf21("5","2","5","6","1","7","5","1") = "6"
    & skf21("5","2","5","6","1","7","6","1") = "6"
    & skf21("5","2","5","6","1","7","7","1") = "6"
    & skf21("5","2","5","6","2","1","1","1") = "5"
    & skf21("5","2","5","6","2","1","2","1") = "5"
    & skf21("5","2","5","6","2","1","3","1") = "5"
    & skf21("5","2","5","6","2","1","4","1") = "5"
    & skf21("5","2","5","6","2","1","5","1") = "5"
    & skf21("5","2","5","6","2","1","6","1") = "5"
    & skf21("5","2","5","6","2","1","7","1") = "6"
    & skf21("5","2","5","6","2","2","1","1") = "5"
    & skf21("5","2","5","6","2","2","2","1") = "5"
    & skf21("5","2","5","6","2","2","3","1") = "5"
    & skf21("5","2","5","6","2","2","4","1") = "5"
    & skf21("5","2","5","6","2","2","5","1") = "5"
    & skf21("5","2","5","6","2","2","6","1") = "5"
    & skf21("5","2","5","6","2","2","7","1") = "6"
    & skf21("5","2","5","6","2","3","1","1") = "5"
    & skf21("5","2","5","6","2","3","2","1") = "5"
    & skf21("5","2","5","6","2","3","3","1") = "5"
    & skf21("5","2","5","6","2","3","4","1") = "5"
    & skf21("5","2","5","6","2","3","5","1") = "5"
    & skf21("5","2","5","6","2","3","6","1") = "5"
    & skf21("5","2","5","6","2","3","7","1") = "6"
    & skf21("5","2","5","6","2","4","1","1") = "5"
    & skf21("5","2","5","6","2","4","2","1") = "5"
    & skf21("5","2","5","6","2","4","3","1") = "5"
    & skf21("5","2","5","6","2","4","4","1") = "5"
    & skf21("5","2","5","6","2","4","5","1") = "5"
    & skf21("5","2","5","6","2","4","6","1") = "5"
    & skf21("5","2","5","6","2","4","7","1") = "6"
    & skf21("5","2","5","6","2","5","1","1") = "5"
    & skf21("5","2","5","6","2","5","2","1") = "5"
    & skf21("5","2","5","6","2","5","3","1") = "5"
    & skf21("5","2","5","6","2","5","4","1") = "5"
    & skf21("5","2","5","6","2","5","5","1") = "5"
    & skf21("5","2","5","6","2","5","6","1") = "5"
    & skf21("5","2","5","6","2","5","7","1") = "6"
    & skf21("5","2","5","6","2","6","1","1") = "5"
    & skf21("5","2","5","6","2","6","2","1") = "5"
    & skf21("5","2","5","6","2","6","3","1") = "5"
    & skf21("5","2","5","6","2","6","4","1") = "5"
    & skf21("5","2","5","6","2","6","5","1") = "5"
    & skf21("5","2","5","6","2","6","6","1") = "5"
    & skf21("5","2","5","6","2","6","7","1") = "6"
    & skf21("5","2","5","6","2","7","1","1") = "6"
    & skf21("5","2","5","6","2","7","2","1") = "6"
    & skf21("5","2","5","6","2","7","3","1") = "6"
    & skf21("5","2","5","6","2","7","4","1") = "6"
    & skf21("5","2","5","6","2","7","5","1") = "6"
    & skf21("5","2","5","6","2","7","6","1") = "6"
    & skf21("5","2","5","6","2","7","7","1") = "6"
    & skf21("5","2","5","6","3","1","1","1") = "5"
    & skf21("5","2","5","6","3","1","2","1") = "5"
    & skf21("5","2","5","6","3","1","3","1") = "5"
    & skf21("5","2","5","6","3","1","4","1") = "5"
    & skf21("5","2","5","6","3","1","5","1") = "5"
    & skf21("5","2","5","6","3","1","6","1") = "5"
    & skf21("5","2","5","6","3","1","7","1") = "6"
    & skf21("5","2","5","6","3","2","1","1") = "5"
    & skf21("5","2","5","6","3","2","2","1") = "5"
    & skf21("5","2","5","6","3","2","3","1") = "5"
    & skf21("5","2","5","6","3","2","4","1") = "5"
    & skf21("5","2","5","6","3","2","5","1") = "5"
    & skf21("5","2","5","6","3","2","6","1") = "5"
    & skf21("5","2","5","6","3","2","7","1") = "6"
    & skf21("5","2","5","6","3","3","1","1") = "5"
    & skf21("5","2","5","6","3","3","2","1") = "5"
    & skf21("5","2","5","6","3","3","3","1") = "5"
    & skf21("5","2","5","6","3","3","4","1") = "5"
    & skf21("5","2","5","6","3","3","5","1") = "5"
    & skf21("5","2","5","6","3","3","6","1") = "5"
    & skf21("5","2","5","6","3","3","7","1") = "6"
    & skf21("5","2","5","6","3","4","1","1") = "5"
    & skf21("5","2","5","6","3","4","2","1") = "5"
    & skf21("5","2","5","6","3","4","3","1") = "5"
    & skf21("5","2","5","6","3","4","4","1") = "5"
    & skf21("5","2","5","6","3","4","5","1") = "5"
    & skf21("5","2","5","6","3","4","6","1") = "5"
    & skf21("5","2","5","6","3","4","7","1") = "6"
    & skf21("5","2","5","6","3","5","1","1") = "5"
    & skf21("5","2","5","6","3","5","2","1") = "5"
    & skf21("5","2","5","6","3","5","3","1") = "5"
    & skf21("5","2","5","6","3","5","4","1") = "5"
    & skf21("5","2","5","6","3","5","5","1") = "5"
    & skf21("5","2","5","6","3","5","6","1") = "5"
    & skf21("5","2","5","6","3","5","7","1") = "6"
    & skf21("5","2","5","6","3","6","1","1") = "5"
    & skf21("5","2","5","6","3","6","2","1") = "5"
    & skf21("5","2","5","6","3","6","3","1") = "5"
    & skf21("5","2","5","6","3","6","4","1") = "5"
    & skf21("5","2","5","6","3","6","5","1") = "5"
    & skf21("5","2","5","6","3","6","6","1") = "5"
    & skf21("5","2","5","6","3","6","7","1") = "6"
    & skf21("5","2","5","6","3","7","1","1") = "6"
    & skf21("5","2","5","6","3","7","2","1") = "6"
    & skf21("5","2","5","6","3","7","3","1") = "6"
    & skf21("5","2","5","6","3","7","4","1") = "6"
    & skf21("5","2","5","6","3","7","5","1") = "6"
    & skf21("5","2","5","6","3","7","6","1") = "6"
    & skf21("5","2","5","6","3","7","7","1") = "6"
    & skf21("5","2","5","6","4","1","1","1") = "5"
    & skf21("5","2","5","6","4","1","2","1") = "5"
    & skf21("5","2","5","6","4","1","3","1") = "5"
    & skf21("5","2","5","6","4","1","4","1") = "5"
    & skf21("5","2","5","6","4","1","5","1") = "5"
    & skf21("5","2","5","6","4","1","6","1") = "5"
    & skf21("5","2","5","6","4","1","7","1") = "6"
    & skf21("5","2","5","6","4","2","1","1") = "5"
    & skf21("5","2","5","6","4","2","2","1") = "5"
    & skf21("5","2","5","6","4","2","3","1") = "5"
    & skf21("5","2","5","6","4","2","4","1") = "5"
    & skf21("5","2","5","6","4","2","5","1") = "5"
    & skf21("5","2","5","6","4","2","6","1") = "5"
    & skf21("5","2","5","6","4","2","7","1") = "6"
    & skf21("5","2","5","6","4","3","1","1") = "5"
    & skf21("5","2","5","6","4","3","2","1") = "5"
    & skf21("5","2","5","6","4","3","3","1") = "5"
    & skf21("5","2","5","6","4","3","4","1") = "5"
    & skf21("5","2","5","6","4","3","5","1") = "5"
    & skf21("5","2","5","6","4","3","6","1") = "5"
    & skf21("5","2","5","6","4","3","7","1") = "6"
    & skf21("5","2","5","6","4","4","1","1") = "5"
    & skf21("5","2","5","6","4","4","2","1") = "5"
    & skf21("5","2","5","6","4","4","3","1") = "5"
    & skf21("5","2","5","6","4","4","4","1") = "5"
    & skf21("5","2","5","6","4","4","5","1") = "5"
    & skf21("5","2","5","6","4","4","6","1") = "5"
    & skf21("5","2","5","6","4","4","7","1") = "6"
    & skf21("5","2","5","6","4","5","1","1") = "5"
    & skf21("5","2","5","6","4","5","2","1") = "5"
    & skf21("5","2","5","6","4","5","3","1") = "5"
    & skf21("5","2","5","6","4","5","4","1") = "5"
    & skf21("5","2","5","6","4","5","5","1") = "5"
    & skf21("5","2","5","6","4","5","6","1") = "5"
    & skf21("5","2","5","6","4","5","7","1") = "6"
    & skf21("5","2","5","6","4","6","1","1") = "5"
    & skf21("5","2","5","6","4","6","2","1") = "5"
    & skf21("5","2","5","6","4","6","3","1") = "5"
    & skf21("5","2","5","6","4","6","4","1") = "5"
    & skf21("5","2","5","6","4","6","5","1") = "5"
    & skf21("5","2","5","6","4","6","6","1") = "5"
    & skf21("5","2","5","6","4","6","7","1") = "6"
    & skf21("5","2","5","6","4","7","1","1") = "6"
    & skf21("5","2","5","6","4","7","2","1") = "6"
    & skf21("5","2","5","6","4","7","3","1") = "6"
    & skf21("5","2","5","6","4","7","4","1") = "6"
    & skf21("5","2","5","6","4","7","5","1") = "6"
    & skf21("5","2","5","6","4","7","6","1") = "6"
    & skf21("5","2","5","6","4","7","7","1") = "6"
    & skf21("5","2","5","6","5","1","1","1") = "5"
    & skf21("5","2","5","6","5","1","2","1") = "5"
    & skf21("5","2","5","6","5","1","3","1") = "5"
    & skf21("5","2","5","6","5","1","4","1") = "5"
    & skf21("5","2","5","6","5","1","5","1") = "5"
    & skf21("5","2","5","6","5","1","6","1") = "5"
    & skf21("5","2","5","6","5","1","7","1") = "6"
    & skf21("5","2","5","6","5","2","1","1") = "5"
    & skf21("5","2","5","6","5","2","2","1") = "5"
    & skf21("5","2","5","6","5","2","3","1") = "5"
    & skf21("5","2","5","6","5","2","4","1") = "5"
    & skf21("5","2","5","6","5","2","5","1") = "5"
    & skf21("5","2","5","6","5","2","6","1") = "5"
    & skf21("5","2","5","6","5","2","7","1") = "6"
    & skf21("5","2","5","6","5","3","1","1") = "5"
    & skf21("5","2","5","6","5","3","2","1") = "5"
    & skf21("5","2","5","6","5","3","3","1") = "5"
    & skf21("5","2","5","6","5","3","4","1") = "5"
    & skf21("5","2","5","6","5","3","5","1") = "5"
    & skf21("5","2","5","6","5","3","6","1") = "5"
    & skf21("5","2","5","6","5","3","7","1") = "6"
    & skf21("5","2","5","6","5","4","1","1") = "5"
    & skf21("5","2","5","6","5","4","2","1") = "5"
    & skf21("5","2","5","6","5","4","3","1") = "5"
    & skf21("5","2","5","6","5","4","4","1") = "5"
    & skf21("5","2","5","6","5","4","5","1") = "5"
    & skf21("5","2","5","6","5","4","6","1") = "5"
    & skf21("5","2","5","6","5","4","7","1") = "6"
    & skf21("5","2","5","6","5","5","1","1") = "5"
    & skf21("5","2","5","6","5","5","2","1") = "5"
    & skf21("5","2","5","6","5","5","3","1") = "5"
    & skf21("5","2","5","6","5","5","4","1") = "5"
    & skf21("5","2","5","6","5","5","5","1") = "5"
    & skf21("5","2","5","6","5","5","6","1") = "5"
    & skf21("5","2","5","6","5","5","7","1") = "6"
    & skf21("5","2","5","6","5","6","1","1") = "5"
    & skf21("5","2","5","6","5","6","2","1") = "5"
    & skf21("5","2","5","6","5","6","3","1") = "5"
    & skf21("5","2","5","6","5","6","4","1") = "5"
    & skf21("5","2","5","6","5","6","5","1") = "5"
    & skf21("5","2","5","6","5","6","6","1") = "5"
    & skf21("5","2","5","6","5","6","7","1") = "6"
    & skf21("5","2","5","6","5","7","1","1") = "6"
    & skf21("5","2","5","6","5","7","2","1") = "6"
    & skf21("5","2","5","6","5","7","3","1") = "6"
    & skf21("5","2","5","6","5","7","4","1") = "6"
    & skf21("5","2","5","6","5","7","5","1") = "6"
    & skf21("5","2","5","6","5","7","6","1") = "6"
    & skf21("5","2","5","6","5","7","7","1") = "6"
    & skf21("5","2","5","6","6","1","1","1") = "5"
    & skf21("5","2","5","6","6","1","2","1") = "5"
    & skf21("5","2","5","6","6","1","3","1") = "5"
    & skf21("5","2","5","6","6","1","4","1") = "5"
    & skf21("5","2","5","6","6","1","5","1") = "5"
    & skf21("5","2","5","6","6","1","6","1") = "5"
    & skf21("5","2","5","6","6","1","7","1") = "6"
    & skf21("5","2","5","6","6","2","1","1") = "5"
    & skf21("5","2","5","6","6","2","2","1") = "5"
    & skf21("5","2","5","6","6","2","3","1") = "5"
    & skf21("5","2","5","6","6","2","4","1") = "5"
    & skf21("5","2","5","6","6","2","5","1") = "5"
    & skf21("5","2","5","6","6","2","6","1") = "5"
    & skf21("5","2","5","6","6","2","7","1") = "6"
    & skf21("5","2","5","6","6","3","1","1") = "5"
    & skf21("5","2","5","6","6","3","2","1") = "5"
    & skf21("5","2","5","6","6","3","3","1") = "5"
    & skf21("5","2","5","6","6","3","4","1") = "5"
    & skf21("5","2","5","6","6","3","5","1") = "5"
    & skf21("5","2","5","6","6","3","6","1") = "5"
    & skf21("5","2","5","6","6","3","7","1") = "6"
    & skf21("5","2","5","6","6","4","1","1") = "5"
    & skf21("5","2","5","6","6","4","2","1") = "5"
    & skf21("5","2","5","6","6","4","3","1") = "5"
    & skf21("5","2","5","6","6","4","4","1") = "5"
    & skf21("5","2","5","6","6","4","5","1") = "5"
    & skf21("5","2","5","6","6","4","6","1") = "5"
    & skf21("5","2","5","6","6","4","7","1") = "6"
    & skf21("5","2","5","6","6","5","1","1") = "5"
    & skf21("5","2","5","6","6","5","2","1") = "5"
    & skf21("5","2","5","6","6","5","3","1") = "5"
    & skf21("5","2","5","6","6","5","4","1") = "5"
    & skf21("5","2","5","6","6","5","5","1") = "5"
    & skf21("5","2","5","6","6","5","6","1") = "5"
    & skf21("5","2","5","6","6","5","7","1") = "6"
    & skf21("5","2","5","6","6","6","1","1") = "5"
    & skf21("5","2","5","6","6","6","2","1") = "5"
    & skf21("5","2","5","6","6","6","3","1") = "5"
    & skf21("5","2","5","6","6","6","4","1") = "5"
    & skf21("5","2","5","6","6","6","5","1") = "5"
    & skf21("5","2","5","6","6","6","6","1") = "5"
    & skf21("5","2","5","6","6","6","7","1") = "6"
    & skf21("5","2","5","6","6","7","1","1") = "6"
    & skf21("5","2","5","6","6","7","2","1") = "6"
    & skf21("5","2","5","6","6","7","3","1") = "6"
    & skf21("5","2","5","6","6","7","4","1") = "6"
    & skf21("5","2","5","6","6","7","5","1") = "6"
    & skf21("5","2","5","6","6","7","6","1") = "6"
    & skf21("5","2","5","6","6","7","7","1") = "6"
    & skf21("5","2","5","6","7","1","1","1") = "6"
    & skf21("5","2","5","6","7","1","2","1") = "6"
    & skf21("5","2","5","6","7","1","3","1") = "6"
    & skf21("5","2","5","6","7","1","4","1") = "6"
    & skf21("5","2","5","6","7","1","5","1") = "6"
    & skf21("5","2","5","6","7","1","6","1") = "6"
    & skf21("5","2","5","6","7","1","7","1") = "6"
    & skf21("5","2","5","6","7","2","1","1") = "6"
    & skf21("5","2","5","6","7","2","2","1") = "6"
    & skf21("5","2","5","6","7","2","3","1") = "6"
    & skf21("5","2","5","6","7","2","4","1") = "6"
    & skf21("5","2","5","6","7","2","5","1") = "6"
    & skf21("5","2","5","6","7","2","6","1") = "6"
    & skf21("5","2","5","6","7","2","7","1") = "6"
    & skf21("5","2","5","6","7","3","1","1") = "6"
    & skf21("5","2","5","6","7","3","2","1") = "6"
    & skf21("5","2","5","6","7","3","3","1") = "6"
    & skf21("5","2","5","6","7","3","4","1") = "6"
    & skf21("5","2","5","6","7","3","5","1") = "6"
    & skf21("5","2","5","6","7","3","6","1") = "6"
    & skf21("5","2","5","6","7","3","7","1") = "6"
    & skf21("5","2","5","6","7","4","1","1") = "6"
    & skf21("5","2","5","6","7","4","2","1") = "6"
    & skf21("5","2","5","6","7","4","3","1") = "6"
    & skf21("5","2","5","6","7","4","4","1") = "6"
    & skf21("5","2","5","6","7","4","5","1") = "6"
    & skf21("5","2","5","6","7","4","6","1") = "6"
    & skf21("5","2","5","6","7","4","7","1") = "6"
    & skf21("5","2","5","6","7","5","1","1") = "6"
    & skf21("5","2","5","6","7","5","2","1") = "6"
    & skf21("5","2","5","6","7","5","3","1") = "6"
    & skf21("5","2","5","6","7","5","4","1") = "6"
    & skf21("5","2","5","6","7","5","5","1") = "6"
    & skf21("5","2","5","6","7","5","6","1") = "6"
    & skf21("5","2","5","6","7","5","7","1") = "6"
    & skf21("5","2","5","6","7","6","1","1") = "6"
    & skf21("5","2","5","6","7","6","2","1") = "6"
    & skf21("5","2","5","6","7","6","3","1") = "6"
    & skf21("5","2","5","6","7","6","4","1") = "6"
    & skf21("5","2","5","6","7","6","5","1") = "6"
    & skf21("5","2","5","6","7","6","6","1") = "6"
    & skf21("5","2","5","6","7","6","7","1") = "6"
    & skf21("5","2","5","6","7","7","1","1") = "6"
    & skf21("5","2","5","6","7","7","2","1") = "6"
    & skf21("5","2","5","6","7","7","3","1") = "6"
    & skf21("5","2","5","6","7","7","4","1") = "6"
    & skf21("5","2","5","6","7","7","5","1") = "6"
    & skf21("5","2","5","6","7","7","6","1") = "6"
    & skf21("5","2","5","6","7","7","7","1") = "6"
    & skf21("5","2","5","7","1","1","1","1") = "6"
    & skf21("5","2","5","7","1","1","2","1") = "6"
    & skf21("5","2","5","7","1","1","3","1") = "6"
    & skf21("5","2","5","7","1","1","4","1") = "6"
    & skf21("5","2","5","7","1","1","5","1") = "6"
    & skf21("5","2","5","7","1","1","6","1") = "6"
    & skf21("5","2","5","7","1","1","7","1") = "6"
    & skf21("5","2","5","7","1","2","1","1") = "6"
    & skf21("5","2","5","7","1","2","2","1") = "6"
    & skf21("5","2","5","7","1","2","3","1") = "6"
    & skf21("5","2","5","7","1","2","4","1") = "6"
    & skf21("5","2","5","7","1","2","5","1") = "6"
    & skf21("5","2","5","7","1","2","6","1") = "6"
    & skf21("5","2","5","7","1","2","7","1") = "6"
    & skf21("5","2","5","7","1","3","1","1") = "6"
    & skf21("5","2","5","7","1","3","2","1") = "6"
    & skf21("5","2","5","7","1","3","3","1") = "6"
    & skf21("5","2","5","7","1","3","4","1") = "6"
    & skf21("5","2","5","7","1","3","5","1") = "6"
    & skf21("5","2","5","7","1","3","6","1") = "6"
    & skf21("5","2","5","7","1","3","7","1") = "6"
    & skf21("5","2","5","7","1","4","1","1") = "6"
    & skf21("5","2","5","7","1","4","2","1") = "6"
    & skf21("5","2","5","7","1","4","3","1") = "6"
    & skf21("5","2","5","7","1","4","4","1") = "6"
    & skf21("5","2","5","7","1","4","5","1") = "6"
    & skf21("5","2","5","7","1","4","6","1") = "6"
    & skf21("5","2","5","7","1","4","7","1") = "6"
    & skf21("5","2","5","7","1","5","1","1") = "6"
    & skf21("5","2","5","7","1","5","2","1") = "6"
    & skf21("5","2","5","7","1","5","3","1") = "6"
    & skf21("5","2","5","7","1","5","4","1") = "6"
    & skf21("5","2","5","7","1","5","5","1") = "6"
    & skf21("5","2","5","7","1","5","6","1") = "6"
    & skf21("5","2","5","7","1","5","7","1") = "6"
    & skf21("5","2","5","7","1","6","1","1") = "6"
    & skf21("5","2","5","7","1","6","2","1") = "6"
    & skf21("5","2","5","7","1","6","3","1") = "6"
    & skf21("5","2","5","7","1","6","4","1") = "6"
    & skf21("5","2","5","7","1","6","5","1") = "6"
    & skf21("5","2","5","7","1","6","6","1") = "6"
    & skf21("5","2","5","7","1","6","7","1") = "6"
    & skf21("5","2","5","7","1","7","1","1") = "6"
    & skf21("5","2","5","7","1","7","2","1") = "6"
    & skf21("5","2","5","7","1","7","3","1") = "6"
    & skf21("5","2","5","7","1","7","4","1") = "6"
    & skf21("5","2","5","7","1","7","5","1") = "6"
    & skf21("5","2","5","7","1","7","6","1") = "6"
    & skf21("5","2","5","7","1","7","7","1") = "6"
    & skf21("5","2","5","7","2","1","1","1") = "6"
    & skf21("5","2","5","7","2","1","2","1") = "6"
    & skf21("5","2","5","7","2","1","3","1") = "6"
    & skf21("5","2","5","7","2","1","4","1") = "6"
    & skf21("5","2","5","7","2","1","5","1") = "6"
    & skf21("5","2","5","7","2","1","6","1") = "6"
    & skf21("5","2","5","7","2","1","7","1") = "6"
    & skf21("5","2","5","7","2","2","1","1") = "6"
    & skf21("5","2","5","7","2","2","2","1") = "6"
    & skf21("5","2","5","7","2","2","3","1") = "6"
    & skf21("5","2","5","7","2","2","4","1") = "6"
    & skf21("5","2","5","7","2","2","5","1") = "6"
    & skf21("5","2","5","7","2","2","6","1") = "6"
    & skf21("5","2","5","7","2","2","7","1") = "6"
    & skf21("5","2","5","7","2","3","1","1") = "6"
    & skf21("5","2","5","7","2","3","2","1") = "6"
    & skf21("5","2","5","7","2","3","3","1") = "6"
    & skf21("5","2","5","7","2","3","4","1") = "6"
    & skf21("5","2","5","7","2","3","5","1") = "6"
    & skf21("5","2","5","7","2","3","6","1") = "6"
    & skf21("5","2","5","7","2","3","7","1") = "6"
    & skf21("5","2","5","7","2","4","1","1") = "6"
    & skf21("5","2","5","7","2","4","2","1") = "6"
    & skf21("5","2","5","7","2","4","3","1") = "6"
    & skf21("5","2","5","7","2","4","4","1") = "6"
    & skf21("5","2","5","7","2","4","5","1") = "6"
    & skf21("5","2","5","7","2","4","6","1") = "6"
    & skf21("5","2","5","7","2","4","7","1") = "6"
    & skf21("5","2","5","7","2","5","1","1") = "6"
    & skf21("5","2","5","7","2","5","2","1") = "6"
    & skf21("5","2","5","7","2","5","3","1") = "6"
    & skf21("5","2","5","7","2","5","4","1") = "6"
    & skf21("5","2","5","7","2","5","5","1") = "6"
    & skf21("5","2","5","7","2","5","6","1") = "6"
    & skf21("5","2","5","7","2","5","7","1") = "6"
    & skf21("5","2","5","7","2","6","1","1") = "6"
    & skf21("5","2","5","7","2","6","2","1") = "6"
    & skf21("5","2","5","7","2","6","3","1") = "6"
    & skf21("5","2","5","7","2","6","4","1") = "6"
    & skf21("5","2","5","7","2","6","5","1") = "6"
    & skf21("5","2","5","7","2","6","6","1") = "6"
    & skf21("5","2","5","7","2","6","7","1") = "6"
    & skf21("5","2","5","7","2","7","1","1") = "6"
    & skf21("5","2","5","7","2","7","2","1") = "6"
    & skf21("5","2","5","7","2","7","3","1") = "6"
    & skf21("5","2","5","7","2","7","4","1") = "6"
    & skf21("5","2","5","7","2","7","5","1") = "6"
    & skf21("5","2","5","7","2","7","6","1") = "6"
    & skf21("5","2","5","7","2","7","7","1") = "6"
    & skf21("5","2","5","7","3","1","1","1") = "6"
    & skf21("5","2","5","7","3","1","2","1") = "6"
    & skf21("5","2","5","7","3","1","3","1") = "6"
    & skf21("5","2","5","7","3","1","4","1") = "6"
    & skf21("5","2","5","7","3","1","5","1") = "6"
    & skf21("5","2","5","7","3","1","6","1") = "6"
    & skf21("5","2","5","7","3","1","7","1") = "6"
    & skf21("5","2","5","7","3","2","1","1") = "6"
    & skf21("5","2","5","7","3","2","2","1") = "6"
    & skf21("5","2","5","7","3","2","3","1") = "6"
    & skf21("5","2","5","7","3","2","4","1") = "6"
    & skf21("5","2","5","7","3","2","5","1") = "6"
    & skf21("5","2","5","7","3","2","6","1") = "6"
    & skf21("5","2","5","7","3","2","7","1") = "6"
    & skf21("5","2","5","7","3","3","1","1") = "6"
    & skf21("5","2","5","7","3","3","2","1") = "6"
    & skf21("5","2","5","7","3","3","3","1") = "6"
    & skf21("5","2","5","7","3","3","4","1") = "6"
    & skf21("5","2","5","7","3","3","5","1") = "6"
    & skf21("5","2","5","7","3","3","6","1") = "6"
    & skf21("5","2","5","7","3","3","7","1") = "6"
    & skf21("5","2","5","7","3","4","1","1") = "6"
    & skf21("5","2","5","7","3","4","2","1") = "6"
    & skf21("5","2","5","7","3","4","3","1") = "6"
    & skf21("5","2","5","7","3","4","4","1") = "6"
    & skf21("5","2","5","7","3","4","5","1") = "6"
    & skf21("5","2","5","7","3","4","6","1") = "6"
    & skf21("5","2","5","7","3","4","7","1") = "6"
    & skf21("5","2","5","7","3","5","1","1") = "6"
    & skf21("5","2","5","7","3","5","2","1") = "6"
    & skf21("5","2","5","7","3","5","3","1") = "6"
    & skf21("5","2","5","7","3","5","4","1") = "6"
    & skf21("5","2","5","7","3","5","5","1") = "6"
    & skf21("5","2","5","7","3","5","6","1") = "6"
    & skf21("5","2","5","7","3","5","7","1") = "6"
    & skf21("5","2","5","7","3","6","1","1") = "6"
    & skf21("5","2","5","7","3","6","2","1") = "6"
    & skf21("5","2","5","7","3","6","3","1") = "6"
    & skf21("5","2","5","7","3","6","4","1") = "6"
    & skf21("5","2","5","7","3","6","5","1") = "6"
    & skf21("5","2","5","7","3","6","6","1") = "6"
    & skf21("5","2","5","7","3","6","7","1") = "6"
    & skf21("5","2","5","7","3","7","1","1") = "6"
    & skf21("5","2","5","7","3","7","2","1") = "6"
    & skf21("5","2","5","7","3","7","3","1") = "6"
    & skf21("5","2","5","7","3","7","4","1") = "6"
    & skf21("5","2","5","7","3","7","5","1") = "6"
    & skf21("5","2","5","7","3","7","6","1") = "6"
    & skf21("5","2","5","7","3","7","7","1") = "6"
    & skf21("5","2","5","7","4","1","1","1") = "6"
    & skf21("5","2","5","7","4","1","2","1") = "6"
    & skf21("5","2","5","7","4","1","3","1") = "6"
    & skf21("5","2","5","7","4","1","4","1") = "6"
    & skf21("5","2","5","7","4","1","5","1") = "6"
    & skf21("5","2","5","7","4","1","6","1") = "6"
    & skf21("5","2","5","7","4","1","7","1") = "6"
    & skf21("5","2","5","7","4","2","1","1") = "6"
    & skf21("5","2","5","7","4","2","2","1") = "6"
    & skf21("5","2","5","7","4","2","3","1") = "6"
    & skf21("5","2","5","7","4","2","4","1") = "6"
    & skf21("5","2","5","7","4","2","5","1") = "6"
    & skf21("5","2","5","7","4","2","6","1") = "6"
    & skf21("5","2","5","7","4","2","7","1") = "6"
    & skf21("5","2","5","7","4","3","1","1") = "6"
    & skf21("5","2","5","7","4","3","2","1") = "6"
    & skf21("5","2","5","7","4","3","3","1") = "6"
    & skf21("5","2","5","7","4","3","4","1") = "6"
    & skf21("5","2","5","7","4","3","5","1") = "6"
    & skf21("5","2","5","7","4","3","6","1") = "6"
    & skf21("5","2","5","7","4","3","7","1") = "6"
    & skf21("5","2","5","7","4","4","1","1") = "6"
    & skf21("5","2","5","7","4","4","2","1") = "6"
    & skf21("5","2","5","7","4","4","3","1") = "6"
    & skf21("5","2","5","7","4","4","4","1") = "6"
    & skf21("5","2","5","7","4","4","5","1") = "6"
    & skf21("5","2","5","7","4","4","6","1") = "6"
    & skf21("5","2","5","7","4","4","7","1") = "6"
    & skf21("5","2","5","7","4","5","1","1") = "6"
    & skf21("5","2","5","7","4","5","2","1") = "6"
    & skf21("5","2","5","7","4","5","3","1") = "6"
    & skf21("5","2","5","7","4","5","4","1") = "6"
    & skf21("5","2","5","7","4","5","5","1") = "6"
    & skf21("5","2","5","7","4","5","6","1") = "6"
    & skf21("5","2","5","7","4","5","7","1") = "6"
    & skf21("5","2","5","7","4","6","1","1") = "6"
    & skf21("5","2","5","7","4","6","2","1") = "6"
    & skf21("5","2","5","7","4","6","3","1") = "6"
    & skf21("5","2","5","7","4","6","4","1") = "6"
    & skf21("5","2","5","7","4","6","5","1") = "6"
    & skf21("5","2","5","7","4","6","6","1") = "6"
    & skf21("5","2","5","7","4","6","7","1") = "6"
    & skf21("5","2","5","7","4","7","1","1") = "6"
    & skf21("5","2","5","7","4","7","2","1") = "6"
    & skf21("5","2","5","7","4","7","3","1") = "6"
    & skf21("5","2","5","7","4","7","4","1") = "6"
    & skf21("5","2","5","7","4","7","5","1") = "6"
    & skf21("5","2","5","7","4","7","6","1") = "6"
    & skf21("5","2","5","7","4","7","7","1") = "6"
    & skf21("5","2","5","7","5","1","1","1") = "6"
    & skf21("5","2","5","7","5","1","2","1") = "6"
    & skf21("5","2","5","7","5","1","3","1") = "6"
    & skf21("5","2","5","7","5","1","4","1") = "6"
    & skf21("5","2","5","7","5","1","5","1") = "6"
    & skf21("5","2","5","7","5","1","6","1") = "6"
    & skf21("5","2","5","7","5","1","7","1") = "6"
    & skf21("5","2","5","7","5","2","1","1") = "6"
    & skf21("5","2","5","7","5","2","2","1") = "6"
    & skf21("5","2","5","7","5","2","3","1") = "6"
    & skf21("5","2","5","7","5","2","4","1") = "6"
    & skf21("5","2","5","7","5","2","5","1") = "6"
    & skf21("5","2","5","7","5","2","6","1") = "6"
    & skf21("5","2","5","7","5","2","7","1") = "6"
    & skf21("5","2","5","7","5","3","1","1") = "6"
    & skf21("5","2","5","7","5","3","2","1") = "6"
    & skf21("5","2","5","7","5","3","3","1") = "6"
    & skf21("5","2","5","7","5","3","4","1") = "6"
    & skf21("5","2","5","7","5","3","5","1") = "6"
    & skf21("5","2","5","7","5","3","6","1") = "6"
    & skf21("5","2","5","7","5","3","7","1") = "6"
    & skf21("5","2","5","7","5","4","1","1") = "6"
    & skf21("5","2","5","7","5","4","2","1") = "6"
    & skf21("5","2","5","7","5","4","3","1") = "6"
    & skf21("5","2","5","7","5","4","4","1") = "6"
    & skf21("5","2","5","7","5","4","5","1") = "6"
    & skf21("5","2","5","7","5","4","6","1") = "6"
    & skf21("5","2","5","7","5","4","7","1") = "6"
    & skf21("5","2","5","7","5","5","1","1") = "6"
    & skf21("5","2","5","7","5","5","2","1") = "6"
    & skf21("5","2","5","7","5","5","3","1") = "6"
    & skf21("5","2","5","7","5","5","4","1") = "6"
    & skf21("5","2","5","7","5","5","5","1") = "6"
    & skf21("5","2","5","7","5","5","6","1") = "6"
    & skf21("5","2","5","7","5","5","7","1") = "6"
    & skf21("5","2","5","7","5","6","1","1") = "6"
    & skf21("5","2","5","7","5","6","2","1") = "6"
    & skf21("5","2","5","7","5","6","3","1") = "6"
    & skf21("5","2","5","7","5","6","4","1") = "6"
    & skf21("5","2","5","7","5","6","5","1") = "6"
    & skf21("5","2","5","7","5","6","6","1") = "6"
    & skf21("5","2","5","7","5","6","7","1") = "6"
    & skf21("5","2","5","7","5","7","1","1") = "6"
    & skf21("5","2","5","7","5","7","2","1") = "6"
    & skf21("5","2","5","7","5","7","3","1") = "6"
    & skf21("5","2","5","7","5","7","4","1") = "6"
    & skf21("5","2","5","7","5","7","5","1") = "6"
    & skf21("5","2","5","7","5","7","6","1") = "6"
    & skf21("5","2","5","7","5","7","7","1") = "6"
    & skf21("5","2","5","7","6","1","1","1") = "6"
    & skf21("5","2","5","7","6","1","2","1") = "6"
    & skf21("5","2","5","7","6","1","3","1") = "6"
    & skf21("5","2","5","7","6","1","4","1") = "6"
    & skf21("5","2","5","7","6","1","5","1") = "6"
    & skf21("5","2","5","7","6","1","6","1") = "6"
    & skf21("5","2","5","7","6","1","7","1") = "6"
    & skf21("5","2","5","7","6","2","1","1") = "6"
    & skf21("5","2","5","7","6","2","2","1") = "6"
    & skf21("5","2","5","7","6","2","3","1") = "6"
    & skf21("5","2","5","7","6","2","4","1") = "6"
    & skf21("5","2","5","7","6","2","5","1") = "6"
    & skf21("5","2","5","7","6","2","6","1") = "6"
    & skf21("5","2","5","7","6","2","7","1") = "6"
    & skf21("5","2","5","7","6","3","1","1") = "6"
    & skf21("5","2","5","7","6","3","2","1") = "6"
    & skf21("5","2","5","7","6","3","3","1") = "6"
    & skf21("5","2","5","7","6","3","4","1") = "6"
    & skf21("5","2","5","7","6","3","5","1") = "6"
    & skf21("5","2","5","7","6","3","6","1") = "6"
    & skf21("5","2","5","7","6","3","7","1") = "6"
    & skf21("5","2","5","7","6","4","1","1") = "6"
    & skf21("5","2","5","7","6","4","2","1") = "6"
    & skf21("5","2","5","7","6","4","3","1") = "6"
    & skf21("5","2","5","7","6","4","4","1") = "6"
    & skf21("5","2","5","7","6","4","5","1") = "6"
    & skf21("5","2","5","7","6","4","6","1") = "6"
    & skf21("5","2","5","7","6","4","7","1") = "6"
    & skf21("5","2","5","7","6","5","1","1") = "6"
    & skf21("5","2","5","7","6","5","2","1") = "6"
    & skf21("5","2","5","7","6","5","3","1") = "6"
    & skf21("5","2","5","7","6","5","4","1") = "6"
    & skf21("5","2","5","7","6","5","5","1") = "6"
    & skf21("5","2","5","7","6","5","6","1") = "6"
    & skf21("5","2","5","7","6","5","7","1") = "6"
    & skf21("5","2","5","7","6","6","1","1") = "6"
    & skf21("5","2","5","7","6","6","2","1") = "6"
    & skf21("5","2","5","7","6","6","3","1") = "6"
    & skf21("5","2","5","7","6","6","4","1") = "6"
    & skf21("5","2","5","7","6","6","5","1") = "6"
    & skf21("5","2","5","7","6","6","6","1") = "6"
    & skf21("5","2","5","7","6","6","7","1") = "6"
    & skf21("5","2","5","7","6","7","1","1") = "6"
    & skf21("5","2","5","7","6","7","2","1") = "6"
    & skf21("5","2","5","7","6","7","3","1") = "6"
    & skf21("5","2","5","7","6","7","4","1") = "6"
    & skf21("5","2","5","7","6","7","5","1") = "6"
    & skf21("5","2","5","7","6","7","6","1") = "6"
    & skf21("5","2","5","7","6","7","7","1") = "6"
    & skf21("5","2","5","7","7","1","1","1") = "6"
    & skf21("5","2","5","7","7","1","2","1") = "6"
    & skf21("5","2","5","7","7","1","3","1") = "6"
    & skf21("5","2","5","7","7","1","4","1") = "6"
    & skf21("5","2","5","7","7","1","5","1") = "6"
    & skf21("5","2","5","7","7","1","6","1") = "6"
    & skf21("5","2","5","7","7","1","7","1") = "6"
    & skf21("5","2","5","7","7","2","1","1") = "6"
    & skf21("5","2","5","7","7","2","2","1") = "6"
    & skf21("5","2","5","7","7","2","3","1") = "6"
    & skf21("5","2","5","7","7","2","4","1") = "6"
    & skf21("5","2","5","7","7","2","5","1") = "6"
    & skf21("5","2","5","7","7","2","6","1") = "6"
    & skf21("5","2","5","7","7","2","7","1") = "6"
    & skf21("5","2","5","7","7","3","1","1") = "6"
    & skf21("5","2","5","7","7","3","2","1") = "6"
    & skf21("5","2","5","7","7","3","3","1") = "6"
    & skf21("5","2","5","7","7","3","4","1") = "6"
    & skf21("5","2","5","7","7","3","5","1") = "6"
    & skf21("5","2","5","7","7","3","6","1") = "6"
    & skf21("5","2","5","7","7","3","7","1") = "6"
    & skf21("5","2","5","7","7","4","1","1") = "6"
    & skf21("5","2","5","7","7","4","2","1") = "6"
    & skf21("5","2","5","7","7","4","3","1") = "6"
    & skf21("5","2","5","7","7","4","4","1") = "6"
    & skf21("5","2","5","7","7","4","5","1") = "6"
    & skf21("5","2","5","7","7","4","6","1") = "6"
    & skf21("5","2","5","7","7","4","7","1") = "6"
    & skf21("5","2","5","7","7","5","1","1") = "6"
    & skf21("5","2","5","7","7","5","2","1") = "6"
    & skf21("5","2","5","7","7","5","3","1") = "6"
    & skf21("5","2","5","7","7","5","4","1") = "6"
    & skf21("5","2","5","7","7","5","5","1") = "6"
    & skf21("5","2","5","7","7","5","6","1") = "6"
    & skf21("5","2","5","7","7","5","7","1") = "6"
    & skf21("5","2","5","7","7","6","1","1") = "6"
    & skf21("5","2","5","7","7","6","2","1") = "6"
    & skf21("5","2","5","7","7","6","3","1") = "6"
    & skf21("5","2","5","7","7","6","4","1") = "6"
    & skf21("5","2","5","7","7","6","5","1") = "6"
    & skf21("5","2","5","7","7","6","6","1") = "6"
    & skf21("5","2","5","7","7","6","7","1") = "6"
    & skf21("5","2","5","7","7","7","1","1") = "6"
    & skf21("5","2","5","7","7","7","2","1") = "6"
    & skf21("5","2","5","7","7","7","3","1") = "6"
    & skf21("5","2","5","7","7","7","4","1") = "6"
    & skf21("5","2","5","7","7","7","5","1") = "6"
    & skf21("5","2","5","7","7","7","6","1") = "6"
    & skf21("5","2","5","7","7","7","7","1") = "6"
    & skf21("5","2","6","1","1","1","1","1") = "5"
    & skf21("5","2","6","1","1","1","2","1") = "5"
    & skf21("5","2","6","1","1","1","3","1") = "5"
    & skf21("5","2","6","1","1","1","4","1") = "5"
    & skf21("5","2","6","1","1","1","5","1") = "5"
    & skf21("5","2","6","1","1","1","6","1") = "5"
    & skf21("5","2","6","1","1","1","7","1") = "6"
    & skf21("5","2","6","1","1","2","1","1") = "5"
    & skf21("5","2","6","1","1","2","2","1") = "5"
    & skf21("5","2","6","1","1","2","3","1") = "5"
    & skf21("5","2","6","1","1","2","4","1") = "5"
    & skf21("5","2","6","1","1","2","5","1") = "5"
    & skf21("5","2","6","1","1","2","6","1") = "5"
    & skf21("5","2","6","1","1","2","7","1") = "6"
    & skf21("5","2","6","1","1","3","1","1") = "5"
    & skf21("5","2","6","1","1","3","2","1") = "5"
    & skf21("5","2","6","1","1","3","3","1") = "5"
    & skf21("5","2","6","1","1","3","4","1") = "5"
    & skf21("5","2","6","1","1","3","5","1") = "5"
    & skf21("5","2","6","1","1","3","6","1") = "5"
    & skf21("5","2","6","1","1","3","7","1") = "6"
    & skf21("5","2","6","1","1","4","1","1") = "5"
    & skf21("5","2","6","1","1","4","2","1") = "5"
    & skf21("5","2","6","1","1","4","3","1") = "5"
    & skf21("5","2","6","1","1","4","4","1") = "5"
    & skf21("5","2","6","1","1","4","5","1") = "5"
    & skf21("5","2","6","1","1","4","6","1") = "5"
    & skf21("5","2","6","1","1","4","7","1") = "6"
    & skf21("5","2","6","1","1","5","1","1") = "5"
    & skf21("5","2","6","1","1","5","2","1") = "5"
    & skf21("5","2","6","1","1","5","3","1") = "5"
    & skf21("5","2","6","1","1","5","4","1") = "5"
    & skf21("5","2","6","1","1","5","5","1") = "5"
    & skf21("5","2","6","1","1","5","6","1") = "5"
    & skf21("5","2","6","1","1","5","7","1") = "6"
    & skf21("5","2","6","1","1","6","1","1") = "5"
    & skf21("5","2","6","1","1","6","2","1") = "5"
    & skf21("5","2","6","1","1","6","3","1") = "5"
    & skf21("5","2","6","1","1","6","4","1") = "5"
    & skf21("5","2","6","1","1","6","5","1") = "5"
    & skf21("5","2","6","1","1","6","6","1") = "5"
    & skf21("5","2","6","1","1","6","7","1") = "6"
    & skf21("5","2","6","1","1","7","1","1") = "6"
    & skf21("5","2","6","1","1","7","2","1") = "6"
    & skf21("5","2","6","1","1","7","3","1") = "6"
    & skf21("5","2","6","1","1","7","4","1") = "6"
    & skf21("5","2","6","1","1","7","5","1") = "6"
    & skf21("5","2","6","1","1","7","6","1") = "6"
    & skf21("5","2","6","1","1","7","7","1") = "6"
    & skf21("5","2","6","1","2","1","1","1") = "5"
    & skf21("5","2","6","1","2","1","2","1") = "5"
    & skf21("5","2","6","1","2","1","3","1") = "5"
    & skf21("5","2","6","1","2","1","4","1") = "5"
    & skf21("5","2","6","1","2","1","5","1") = "5"
    & skf21("5","2","6","1","2","1","6","1") = "5"
    & skf21("5","2","6","1","2","1","7","1") = "6"
    & skf21("5","2","6","1","2","2","1","1") = "5"
    & skf21("5","2","6","1","2","2","2","1") = "5"
    & skf21("5","2","6","1","2","2","3","1") = "5"
    & skf21("5","2","6","1","2","2","4","1") = "5"
    & skf21("5","2","6","1","2","2","5","1") = "5"
    & skf21("5","2","6","1","2","2","6","1") = "5"
    & skf21("5","2","6","1","2","2","7","1") = "6"
    & skf21("5","2","6","1","2","3","1","1") = "5"
    & skf21("5","2","6","1","2","3","2","1") = "5"
    & skf21("5","2","6","1","2","3","3","1") = "5"
    & skf21("5","2","6","1","2","3","4","1") = "5"
    & skf21("5","2","6","1","2","3","5","1") = "5"
    & skf21("5","2","6","1","2","3","6","1") = "5"
    & skf21("5","2","6","1","2","3","7","1") = "6"
    & skf21("5","2","6","1","2","4","1","1") = "5"
    & skf21("5","2","6","1","2","4","2","1") = "5"
    & skf21("5","2","6","1","2","4","3","1") = "5"
    & skf21("5","2","6","1","2","4","4","1") = "5"
    & skf21("5","2","6","1","2","4","5","1") = "5"
    & skf21("5","2","6","1","2","4","6","1") = "5"
    & skf21("5","2","6","1","2","4","7","1") = "6"
    & skf21("5","2","6","1","2","5","1","1") = "5"
    & skf21("5","2","6","1","2","5","2","1") = "5"
    & skf21("5","2","6","1","2","5","3","1") = "5"
    & skf21("5","2","6","1","2","5","4","1") = "5"
    & skf21("5","2","6","1","2","5","5","1") = "5"
    & skf21("5","2","6","1","2","5","6","1") = "5"
    & skf21("5","2","6","1","2","5","7","1") = "6"
    & skf21("5","2","6","1","2","6","1","1") = "5"
    & skf21("5","2","6","1","2","6","2","1") = "5"
    & skf21("5","2","6","1","2","6","3","1") = "5"
    & skf21("5","2","6","1","2","6","4","1") = "5"
    & skf21("5","2","6","1","2","6","5","1") = "5"
    & skf21("5","2","6","1","2","6","6","1") = "5"
    & skf21("5","2","6","1","2","6","7","1") = "6"
    & skf21("5","2","6","1","2","7","1","1") = "6"
    & skf21("5","2","6","1","2","7","2","1") = "6"
    & skf21("5","2","6","1","2","7","3","1") = "6"
    & skf21("5","2","6","1","2","7","4","1") = "6"
    & skf21("5","2","6","1","2","7","5","1") = "6"
    & skf21("5","2","6","1","2","7","6","1") = "6"
    & skf21("5","2","6","1","2","7","7","1") = "6"
    & skf21("5","2","6","1","3","1","1","1") = "5"
    & skf21("5","2","6","1","3","1","2","1") = "5"
    & skf21("5","2","6","1","3","1","3","1") = "5"
    & skf21("5","2","6","1","3","1","4","1") = "5"
    & skf21("5","2","6","1","3","1","5","1") = "5"
    & skf21("5","2","6","1","3","1","6","1") = "5"
    & skf21("5","2","6","1","3","1","7","1") = "6"
    & skf21("5","2","6","1","3","2","1","1") = "5"
    & skf21("5","2","6","1","3","2","2","1") = "5"
    & skf21("5","2","6","1","3","2","3","1") = "5"
    & skf21("5","2","6","1","3","2","4","1") = "5"
    & skf21("5","2","6","1","3","2","5","1") = "5"
    & skf21("5","2","6","1","3","2","6","1") = "5"
    & skf21("5","2","6","1","3","2","7","1") = "6"
    & skf21("5","2","6","1","3","3","1","1") = "5"
    & skf21("5","2","6","1","3","3","2","1") = "5"
    & skf21("5","2","6","1","3","3","3","1") = "5"
    & skf21("5","2","6","1","3","3","4","1") = "5"
    & skf21("5","2","6","1","3","3","5","1") = "5"
    & skf21("5","2","6","1","3","3","6","1") = "5"
    & skf21("5","2","6","1","3","3","7","1") = "6"
    & skf21("5","2","6","1","3","4","1","1") = "5"
    & skf21("5","2","6","1","3","4","2","1") = "5"
    & skf21("5","2","6","1","3","4","3","1") = "5"
    & skf21("5","2","6","1","3","4","4","1") = "5"
    & skf21("5","2","6","1","3","4","5","1") = "5"
    & skf21("5","2","6","1","3","4","6","1") = "5"
    & skf21("5","2","6","1","3","4","7","1") = "6"
    & skf21("5","2","6","1","3","5","1","1") = "5"
    & skf21("5","2","6","1","3","5","2","1") = "5"
    & skf21("5","2","6","1","3","5","3","1") = "5"
    & skf21("5","2","6","1","3","5","4","1") = "5"
    & skf21("5","2","6","1","3","5","5","1") = "5"
    & skf21("5","2","6","1","3","5","6","1") = "5"
    & skf21("5","2","6","1","3","5","7","1") = "6"
    & skf21("5","2","6","1","3","6","1","1") = "5"
    & skf21("5","2","6","1","3","6","2","1") = "5"
    & skf21("5","2","6","1","3","6","3","1") = "5"
    & skf21("5","2","6","1","3","6","4","1") = "5"
    & skf21("5","2","6","1","3","6","5","1") = "5"
    & skf21("5","2","6","1","3","6","6","1") = "5"
    & skf21("5","2","6","1","3","6","7","1") = "6"
    & skf21("5","2","6","1","3","7","1","1") = "6"
    & skf21("5","2","6","1","3","7","2","1") = "6"
    & skf21("5","2","6","1","3","7","3","1") = "6"
    & skf21("5","2","6","1","3","7","4","1") = "6"
    & skf21("5","2","6","1","3","7","5","1") = "6"
    & skf21("5","2","6","1","3","7","6","1") = "6"
    & skf21("5","2","6","1","3","7","7","1") = "6"
    & skf21("5","2","6","1","4","1","1","1") = "5"
    & skf21("5","2","6","1","4","1","2","1") = "5"
    & skf21("5","2","6","1","4","1","3","1") = "5"
    & skf21("5","2","6","1","4","1","4","1") = "5"
    & skf21("5","2","6","1","4","1","5","1") = "5"
    & skf21("5","2","6","1","4","1","6","1") = "5"
    & skf21("5","2","6","1","4","1","7","1") = "6"
    & skf21("5","2","6","1","4","2","1","1") = "5"
    & skf21("5","2","6","1","4","2","2","1") = "5"
    & skf21("5","2","6","1","4","2","3","1") = "5"
    & skf21("5","2","6","1","4","2","4","1") = "5"
    & skf21("5","2","6","1","4","2","5","1") = "5"
    & skf21("5","2","6","1","4","2","6","1") = "5"
    & skf21("5","2","6","1","4","2","7","1") = "6"
    & skf21("5","2","6","1","4","3","1","1") = "5"
    & skf21("5","2","6","1","4","3","2","1") = "5"
    & skf21("5","2","6","1","4","3","3","1") = "5"
    & skf21("5","2","6","1","4","3","4","1") = "5"
    & skf21("5","2","6","1","4","3","5","1") = "5"
    & skf21("5","2","6","1","4","3","6","1") = "5"
    & skf21("5","2","6","1","4","3","7","1") = "6"
    & skf21("5","2","6","1","4","4","1","1") = "5"
    & skf21("5","2","6","1","4","4","2","1") = "5"
    & skf21("5","2","6","1","4","4","3","1") = "5"
    & skf21("5","2","6","1","4","4","4","1") = "5"
    & skf21("5","2","6","1","4","4","5","1") = "5"
    & skf21("5","2","6","1","4","4","6","1") = "5"
    & skf21("5","2","6","1","4","4","7","1") = "6"
    & skf21("5","2","6","1","4","5","1","1") = "5"
    & skf21("5","2","6","1","4","5","2","1") = "5"
    & skf21("5","2","6","1","4","5","3","1") = "5"
    & skf21("5","2","6","1","4","5","4","1") = "5"
    & skf21("5","2","6","1","4","5","5","1") = "5"
    & skf21("5","2","6","1","4","5","6","1") = "5"
    & skf21("5","2","6","1","4","5","7","1") = "6"
    & skf21("5","2","6","1","4","6","1","1") = "5"
    & skf21("5","2","6","1","4","6","2","1") = "5"
    & skf21("5","2","6","1","4","6","3","1") = "5"
    & skf21("5","2","6","1","4","6","4","1") = "5"
    & skf21("5","2","6","1","4","6","5","1") = "5"
    & skf21("5","2","6","1","4","6","6","1") = "5"
    & skf21("5","2","6","1","4","6","7","1") = "6"
    & skf21("5","2","6","1","4","7","1","1") = "6"
    & skf21("5","2","6","1","4","7","2","1") = "6"
    & skf21("5","2","6","1","4","7","3","1") = "6"
    & skf21("5","2","6","1","4","7","4","1") = "6"
    & skf21("5","2","6","1","4","7","5","1") = "6"
    & skf21("5","2","6","1","4","7","6","1") = "6"
    & skf21("5","2","6","1","4","7","7","1") = "6"
    & skf21("5","2","6","1","5","1","1","1") = "5"
    & skf21("5","2","6","1","5","1","2","1") = "5"
    & skf21("5","2","6","1","5","1","3","1") = "5"
    & skf21("5","2","6","1","5","1","4","1") = "5"
    & skf21("5","2","6","1","5","1","5","1") = "5"
    & skf21("5","2","6","1","5","1","6","1") = "5"
    & skf21("5","2","6","1","5","1","7","1") = "6"
    & skf21("5","2","6","1","5","2","1","1") = "5"
    & skf21("5","2","6","1","5","2","2","1") = "5"
    & skf21("5","2","6","1","5","2","3","1") = "5"
    & skf21("5","2","6","1","5","2","4","1") = "5"
    & skf21("5","2","6","1","5","2","5","1") = "5"
    & skf21("5","2","6","1","5","2","6","1") = "5"
    & skf21("5","2","6","1","5","2","7","1") = "6"
    & skf21("5","2","6","1","5","3","1","1") = "5"
    & skf21("5","2","6","1","5","3","2","1") = "5"
    & skf21("5","2","6","1","5","3","3","1") = "5"
    & skf21("5","2","6","1","5","3","4","1") = "5"
    & skf21("5","2","6","1","5","3","5","1") = "5"
    & skf21("5","2","6","1","5","3","6","1") = "5"
    & skf21("5","2","6","1","5","3","7","1") = "6"
    & skf21("5","2","6","1","5","4","1","1") = "5"
    & skf21("5","2","6","1","5","4","2","1") = "5"
    & skf21("5","2","6","1","5","4","3","1") = "5"
    & skf21("5","2","6","1","5","4","4","1") = "5"
    & skf21("5","2","6","1","5","4","5","1") = "5"
    & skf21("5","2","6","1","5","4","6","1") = "5"
    & skf21("5","2","6","1","5","4","7","1") = "6"
    & skf21("5","2","6","1","5","5","1","1") = "5"
    & skf21("5","2","6","1","5","5","2","1") = "5"
    & skf21("5","2","6","1","5","5","3","1") = "5"
    & skf21("5","2","6","1","5","5","4","1") = "5"
    & skf21("5","2","6","1","5","5","5","1") = "5"
    & skf21("5","2","6","1","5","5","6","1") = "5"
    & skf21("5","2","6","1","5","5","7","1") = "6"
    & skf21("5","2","6","1","5","6","1","1") = "5"
    & skf21("5","2","6","1","5","6","2","1") = "5"
    & skf21("5","2","6","1","5","6","3","1") = "5"
    & skf21("5","2","6","1","5","6","4","1") = "5"
    & skf21("5","2","6","1","5","6","5","1") = "5"
    & skf21("5","2","6","1","5","6","6","1") = "5"
    & skf21("5","2","6","1","5","6","7","1") = "6"
    & skf21("5","2","6","1","5","7","1","1") = "6"
    & skf21("5","2","6","1","5","7","2","1") = "6"
    & skf21("5","2","6","1","5","7","3","1") = "6"
    & skf21("5","2","6","1","5","7","4","1") = "6"
    & skf21("5","2","6","1","5","7","5","1") = "6"
    & skf21("5","2","6","1","5","7","6","1") = "6"
    & skf21("5","2","6","1","5","7","7","1") = "6"
    & skf21("5","2","6","1","6","1","1","1") = "5"
    & skf21("5","2","6","1","6","1","2","1") = "5"
    & skf21("5","2","6","1","6","1","3","1") = "5"
    & skf21("5","2","6","1","6","1","4","1") = "5"
    & skf21("5","2","6","1","6","1","5","1") = "5"
    & skf21("5","2","6","1","6","1","6","1") = "5"
    & skf21("5","2","6","1","6","1","7","1") = "6"
    & skf21("5","2","6","1","6","2","1","1") = "5"
    & skf21("5","2","6","1","6","2","2","1") = "5"
    & skf21("5","2","6","1","6","2","3","1") = "5"
    & skf21("5","2","6","1","6","2","4","1") = "5"
    & skf21("5","2","6","1","6","2","5","1") = "5"
    & skf21("5","2","6","1","6","2","6","1") = "5"
    & skf21("5","2","6","1","6","2","7","1") = "6"
    & skf21("5","2","6","1","6","3","1","1") = "5"
    & skf21("5","2","6","1","6","3","2","1") = "5"
    & skf21("5","2","6","1","6","3","3","1") = "5"
    & skf21("5","2","6","1","6","3","4","1") = "5"
    & skf21("5","2","6","1","6","3","5","1") = "5"
    & skf21("5","2","6","1","6","3","6","1") = "5"
    & skf21("5","2","6","1","6","3","7","1") = "6"
    & skf21("5","2","6","1","6","4","1","1") = "5"
    & skf21("5","2","6","1","6","4","2","1") = "5"
    & skf21("5","2","6","1","6","4","3","1") = "5"
    & skf21("5","2","6","1","6","4","4","1") = "5"
    & skf21("5","2","6","1","6","4","5","1") = "5"
    & skf21("5","2","6","1","6","4","6","1") = "5"
    & skf21("5","2","6","1","6","4","7","1") = "6"
    & skf21("5","2","6","1","6","5","1","1") = "5"
    & skf21("5","2","6","1","6","5","2","1") = "5"
    & skf21("5","2","6","1","6","5","3","1") = "5"
    & skf21("5","2","6","1","6","5","4","1") = "5"
    & skf21("5","2","6","1","6","5","5","1") = "5"
    & skf21("5","2","6","1","6","5","6","1") = "5"
    & skf21("5","2","6","1","6","5","7","1") = "6"
    & skf21("5","2","6","1","6","6","1","1") = "5"
    & skf21("5","2","6","1","6","6","2","1") = "5"
    & skf21("5","2","6","1","6","6","3","1") = "5"
    & skf21("5","2","6","1","6","6","4","1") = "5"
    & skf21("5","2","6","1","6","6","5","1") = "5"
    & skf21("5","2","6","1","6","6","6","1") = "5"
    & skf21("5","2","6","1","6","6","7","1") = "6"
    & skf21("5","2","6","1","6","7","1","1") = "6"
    & skf21("5","2","6","1","6","7","2","1") = "6"
    & skf21("5","2","6","1","6","7","3","1") = "6"
    & skf21("5","2","6","1","6","7","4","1") = "6"
    & skf21("5","2","6","1","6","7","5","1") = "6"
    & skf21("5","2","6","1","6","7","6","1") = "6"
    & skf21("5","2","6","1","6","7","7","1") = "6"
    & skf21("5","2","6","1","7","1","1","1") = "6"
    & skf21("5","2","6","1","7","1","2","1") = "6"
    & skf21("5","2","6","1","7","1","3","1") = "6"
    & skf21("5","2","6","1","7","1","4","1") = "6"
    & skf21("5","2","6","1","7","1","5","1") = "6"
    & skf21("5","2","6","1","7","1","6","1") = "6"
    & skf21("5","2","6","1","7","1","7","1") = "6"
    & skf21("5","2","6","1","7","2","1","1") = "6"
    & skf21("5","2","6","1","7","2","2","1") = "6"
    & skf21("5","2","6","1","7","2","3","1") = "6"
    & skf21("5","2","6","1","7","2","4","1") = "6"
    & skf21("5","2","6","1","7","2","5","1") = "6"
    & skf21("5","2","6","1","7","2","6","1") = "6"
    & skf21("5","2","6","1","7","2","7","1") = "6"
    & skf21("5","2","6","1","7","3","1","1") = "6"
    & skf21("5","2","6","1","7","3","2","1") = "6"
    & skf21("5","2","6","1","7","3","3","1") = "6"
    & skf21("5","2","6","1","7","3","4","1") = "6"
    & skf21("5","2","6","1","7","3","5","1") = "6"
    & skf21("5","2","6","1","7","3","6","1") = "6"
    & skf21("5","2","6","1","7","3","7","1") = "6"
    & skf21("5","2","6","1","7","4","1","1") = "6"
    & skf21("5","2","6","1","7","4","2","1") = "6"
    & skf21("5","2","6","1","7","4","3","1") = "6"
    & skf21("5","2","6","1","7","4","4","1") = "6"
    & skf21("5","2","6","1","7","4","5","1") = "6"
    & skf21("5","2","6","1","7","4","6","1") = "6"
    & skf21("5","2","6","1","7","4","7","1") = "6"
    & skf21("5","2","6","1","7","5","1","1") = "6"
    & skf21("5","2","6","1","7","5","2","1") = "6"
    & skf21("5","2","6","1","7","5","3","1") = "6"
    & skf21("5","2","6","1","7","5","4","1") = "6"
    & skf21("5","2","6","1","7","5","5","1") = "6"
    & skf21("5","2","6","1","7","5","6","1") = "6"
    & skf21("5","2","6","1","7","5","7","1") = "6"
    & skf21("5","2","6","1","7","6","1","1") = "6"
    & skf21("5","2","6","1","7","6","2","1") = "6"
    & skf21("5","2","6","1","7","6","3","1") = "6"
    & skf21("5","2","6","1","7","6","4","1") = "6"
    & skf21("5","2","6","1","7","6","5","1") = "6"
    & skf21("5","2","6","1","7","6","6","1") = "6"
    & skf21("5","2","6","1","7","6","7","1") = "6"
    & skf21("5","2","6","1","7","7","1","1") = "6"
    & skf21("5","2","6","1","7","7","2","1") = "6"
    & skf21("5","2","6","1","7","7","3","1") = "6"
    & skf21("5","2","6","1","7","7","4","1") = "6"
    & skf21("5","2","6","1","7","7","5","1") = "6"
    & skf21("5","2","6","1","7","7","6","1") = "6"
    & skf21("5","2","6","1","7","7","7","1") = "6"
    & skf21("5","2","6","2","1","1","1","1") = "5"
    & skf21("5","2","6","2","1","1","2","1") = "5"
    & skf21("5","2","6","2","1","1","3","1") = "5"
    & skf21("5","2","6","2","1","1","4","1") = "5"
    & skf21("5","2","6","2","1","1","5","1") = "5"
    & skf21("5","2","6","2","1","1","6","1") = "5"
    & skf21("5","2","6","2","1","1","7","1") = "6"
    & skf21("5","2","6","2","1","2","1","1") = "5"
    & skf21("5","2","6","2","1","2","2","1") = "5"
    & skf21("5","2","6","2","1","2","3","1") = "5"
    & skf21("5","2","6","2","1","2","4","1") = "5"
    & skf21("5","2","6","2","1","2","5","1") = "5"
    & skf21("5","2","6","2","1","2","6","1") = "5"
    & skf21("5","2","6","2","1","2","7","1") = "6"
    & skf21("5","2","6","2","1","3","1","1") = "5"
    & skf21("5","2","6","2","1","3","2","1") = "5"
    & skf21("5","2","6","2","1","3","3","1") = "5"
    & skf21("5","2","6","2","1","3","4","1") = "5"
    & skf21("5","2","6","2","1","3","5","1") = "5"
    & skf21("5","2","6","2","1","3","6","1") = "5"
    & skf21("5","2","6","2","1","3","7","1") = "6"
    & skf21("5","2","6","2","1","4","1","1") = "5"
    & skf21("5","2","6","2","1","4","2","1") = "5"
    & skf21("5","2","6","2","1","4","3","1") = "5"
    & skf21("5","2","6","2","1","4","4","1") = "5"
    & skf21("5","2","6","2","1","4","5","1") = "5"
    & skf21("5","2","6","2","1","4","6","1") = "5"
    & skf21("5","2","6","2","1","4","7","1") = "6"
    & skf21("5","2","6","2","1","5","1","1") = "5"
    & skf21("5","2","6","2","1","5","2","1") = "5"
    & skf21("5","2","6","2","1","5","3","1") = "5"
    & skf21("5","2","6","2","1","5","4","1") = "5"
    & skf21("5","2","6","2","1","5","5","1") = "5"
    & skf21("5","2","6","2","1","5","6","1") = "5"
    & skf21("5","2","6","2","1","5","7","1") = "6"
    & skf21("5","2","6","2","1","6","1","1") = "5"
    & skf21("5","2","6","2","1","6","2","1") = "5"
    & skf21("5","2","6","2","1","6","3","1") = "5"
    & skf21("5","2","6","2","1","6","4","1") = "5"
    & skf21("5","2","6","2","1","6","5","1") = "5"
    & skf21("5","2","6","2","1","6","6","1") = "5"
    & skf21("5","2","6","2","1","6","7","1") = "6"
    & skf21("5","2","6","2","1","7","1","1") = "6"
    & skf21("5","2","6","2","1","7","2","1") = "6"
    & skf21("5","2","6","2","1","7","3","1") = "6"
    & skf21("5","2","6","2","1","7","4","1") = "6"
    & skf21("5","2","6","2","1","7","5","1") = "6"
    & skf21("5","2","6","2","1","7","6","1") = "6"
    & skf21("5","2","6","2","1","7","7","1") = "6"
    & skf21("5","2","6","2","2","1","1","1") = "5"
    & skf21("5","2","6","2","2","1","2","1") = "5"
    & skf21("5","2","6","2","2","1","3","1") = "5"
    & skf21("5","2","6","2","2","1","4","1") = "5"
    & skf21("5","2","6","2","2","1","5","1") = "5"
    & skf21("5","2","6","2","2","1","6","1") = "5"
    & skf21("5","2","6","2","2","1","7","1") = "6"
    & skf21("5","2","6","2","2","2","1","1") = "5"
    & skf21("5","2","6","2","2","2","2","1") = "5"
    & skf21("5","2","6","2","2","2","3","1") = "5"
    & skf21("5","2","6","2","2","2","4","1") = "5"
    & skf21("5","2","6","2","2","2","5","1") = "5"
    & skf21("5","2","6","2","2","2","6","1") = "5"
    & skf21("5","2","6","2","2","2","7","1") = "6"
    & skf21("5","2","6","2","2","3","1","1") = "5"
    & skf21("5","2","6","2","2","3","2","1") = "5"
    & skf21("5","2","6","2","2","3","3","1") = "5"
    & skf21("5","2","6","2","2","3","4","1") = "5"
    & skf21("5","2","6","2","2","3","5","1") = "5"
    & skf21("5","2","6","2","2","3","6","1") = "5"
    & skf21("5","2","6","2","2","3","7","1") = "6"
    & skf21("5","2","6","2","2","4","1","1") = "5"
    & skf21("5","2","6","2","2","4","2","1") = "5"
    & skf21("5","2","6","2","2","4","3","1") = "5"
    & skf21("5","2","6","2","2","4","4","1") = "5"
    & skf21("5","2","6","2","2","4","5","1") = "5"
    & skf21("5","2","6","2","2","4","6","1") = "5"
    & skf21("5","2","6","2","2","4","7","1") = "6"
    & skf21("5","2","6","2","2","5","1","1") = "5"
    & skf21("5","2","6","2","2","5","2","1") = "5"
    & skf21("5","2","6","2","2","5","3","1") = "5"
    & skf21("5","2","6","2","2","5","4","1") = "5"
    & skf21("5","2","6","2","2","5","5","1") = "5"
    & skf21("5","2","6","2","2","5","6","1") = "5"
    & skf21("5","2","6","2","2","5","7","1") = "6"
    & skf21("5","2","6","2","2","6","1","1") = "5"
    & skf21("5","2","6","2","2","6","2","1") = "5"
    & skf21("5","2","6","2","2","6","3","1") = "5"
    & skf21("5","2","6","2","2","6","4","1") = "5"
    & skf21("5","2","6","2","2","6","5","1") = "5"
    & skf21("5","2","6","2","2","6","6","1") = "5"
    & skf21("5","2","6","2","2","6","7","1") = "6"
    & skf21("5","2","6","2","2","7","1","1") = "6"
    & skf21("5","2","6","2","2","7","2","1") = "6"
    & skf21("5","2","6","2","2","7","3","1") = "6"
    & skf21("5","2","6","2","2","7","4","1") = "6"
    & skf21("5","2","6","2","2","7","5","1") = "6"
    & skf21("5","2","6","2","2","7","6","1") = "6"
    & skf21("5","2","6","2","2","7","7","1") = "6"
    & skf21("5","2","6","2","3","1","1","1") = "5"
    & skf21("5","2","6","2","3","1","2","1") = "5"
    & skf21("5","2","6","2","3","1","3","1") = "5"
    & skf21("5","2","6","2","3","1","4","1") = "5"
    & skf21("5","2","6","2","3","1","5","1") = "5"
    & skf21("5","2","6","2","3","1","6","1") = "5"
    & skf21("5","2","6","2","3","1","7","1") = "6"
    & skf21("5","2","6","2","3","2","1","1") = "5"
    & skf21("5","2","6","2","3","2","2","1") = "5"
    & skf21("5","2","6","2","3","2","3","1") = "5"
    & skf21("5","2","6","2","3","2","4","1") = "5"
    & skf21("5","2","6","2","3","2","5","1") = "5"
    & skf21("5","2","6","2","3","2","6","1") = "5"
    & skf21("5","2","6","2","3","2","7","1") = "6"
    & skf21("5","2","6","2","3","3","1","1") = "5"
    & skf21("5","2","6","2","3","3","2","1") = "5"
    & skf21("5","2","6","2","3","3","3","1") = "5"
    & skf21("5","2","6","2","3","3","4","1") = "5"
    & skf21("5","2","6","2","3","3","5","1") = "5"
    & skf21("5","2","6","2","3","3","6","1") = "5"
    & skf21("5","2","6","2","3","3","7","1") = "6"
    & skf21("5","2","6","2","3","4","1","1") = "5"
    & skf21("5","2","6","2","3","4","2","1") = "5"
    & skf21("5","2","6","2","3","4","3","1") = "5"
    & skf21("5","2","6","2","3","4","4","1") = "5"
    & skf21("5","2","6","2","3","4","5","1") = "5"
    & skf21("5","2","6","2","3","4","6","1") = "5"
    & skf21("5","2","6","2","3","4","7","1") = "6"
    & skf21("5","2","6","2","3","5","1","1") = "5"
    & skf21("5","2","6","2","3","5","2","1") = "5"
    & skf21("5","2","6","2","3","5","3","1") = "5"
    & skf21("5","2","6","2","3","5","4","1") = "5"
    & skf21("5","2","6","2","3","5","5","1") = "5"
    & skf21("5","2","6","2","3","5","6","1") = "5"
    & skf21("5","2","6","2","3","5","7","1") = "6"
    & skf21("5","2","6","2","3","6","1","1") = "5"
    & skf21("5","2","6","2","3","6","2","1") = "5"
    & skf21("5","2","6","2","3","6","3","1") = "5"
    & skf21("5","2","6","2","3","6","4","1") = "5"
    & skf21("5","2","6","2","3","6","5","1") = "5"
    & skf21("5","2","6","2","3","6","6","1") = "5"
    & skf21("5","2","6","2","3","6","7","1") = "6"
    & skf21("5","2","6","2","3","7","1","1") = "6"
    & skf21("5","2","6","2","3","7","2","1") = "6"
    & skf21("5","2","6","2","3","7","3","1") = "6"
    & skf21("5","2","6","2","3","7","4","1") = "6"
    & skf21("5","2","6","2","3","7","5","1") = "6"
    & skf21("5","2","6","2","3","7","6","1") = "6"
    & skf21("5","2","6","2","3","7","7","1") = "6"
    & skf21("5","2","6","2","4","1","1","1") = "5"
    & skf21("5","2","6","2","4","1","2","1") = "5"
    & skf21("5","2","6","2","4","1","3","1") = "5"
    & skf21("5","2","6","2","4","1","4","1") = "5"
    & skf21("5","2","6","2","4","1","5","1") = "5"
    & skf21("5","2","6","2","4","1","6","1") = "5"
    & skf21("5","2","6","2","4","1","7","1") = "6"
    & skf21("5","2","6","2","4","2","1","1") = "5"
    & skf21("5","2","6","2","4","2","2","1") = "5"
    & skf21("5","2","6","2","4","2","3","1") = "5"
    & skf21("5","2","6","2","4","2","4","1") = "5"
    & skf21("5","2","6","2","4","2","5","1") = "5"
    & skf21("5","2","6","2","4","2","6","1") = "5"
    & skf21("5","2","6","2","4","2","7","1") = "6"
    & skf21("5","2","6","2","4","3","1","1") = "5"
    & skf21("5","2","6","2","4","3","2","1") = "5"
    & skf21("5","2","6","2","4","3","3","1") = "5"
    & skf21("5","2","6","2","4","3","4","1") = "5"
    & skf21("5","2","6","2","4","3","5","1") = "5"
    & skf21("5","2","6","2","4","3","6","1") = "5"
    & skf21("5","2","6","2","4","3","7","1") = "6"
    & skf21("5","2","6","2","4","4","1","1") = "5"
    & skf21("5","2","6","2","4","4","2","1") = "5"
    & skf21("5","2","6","2","4","4","3","1") = "5"
    & skf21("5","2","6","2","4","4","4","1") = "5"
    & skf21("5","2","6","2","4","4","5","1") = "5"
    & skf21("5","2","6","2","4","4","6","1") = "5"
    & skf21("5","2","6","2","4","4","7","1") = "6"
    & skf21("5","2","6","2","4","5","1","1") = "5"
    & skf21("5","2","6","2","4","5","2","1") = "5"
    & skf21("5","2","6","2","4","5","3","1") = "5"
    & skf21("5","2","6","2","4","5","4","1") = "5"
    & skf21("5","2","6","2","4","5","5","1") = "5"
    & skf21("5","2","6","2","4","5","6","1") = "5"
    & skf21("5","2","6","2","4","5","7","1") = "6"
    & skf21("5","2","6","2","4","6","1","1") = "5"
    & skf21("5","2","6","2","4","6","2","1") = "5"
    & skf21("5","2","6","2","4","6","3","1") = "5"
    & skf21("5","2","6","2","4","6","4","1") = "5"
    & skf21("5","2","6","2","4","6","5","1") = "5"
    & skf21("5","2","6","2","4","6","6","1") = "5"
    & skf21("5","2","6","2","4","6","7","1") = "6"
    & skf21("5","2","6","2","4","7","1","1") = "6"
    & skf21("5","2","6","2","4","7","2","1") = "6"
    & skf21("5","2","6","2","4","7","3","1") = "6"
    & skf21("5","2","6","2","4","7","4","1") = "6"
    & skf21("5","2","6","2","4","7","5","1") = "6"
    & skf21("5","2","6","2","4","7","6","1") = "6"
    & skf21("5","2","6","2","4","7","7","1") = "6"
    & skf21("5","2","6","2","5","1","1","1") = "5"
    & skf21("5","2","6","2","5","1","2","1") = "5"
    & skf21("5","2","6","2","5","1","3","1") = "5"
    & skf21("5","2","6","2","5","1","4","1") = "5"
    & skf21("5","2","6","2","5","1","5","1") = "5"
    & skf21("5","2","6","2","5","1","6","1") = "5"
    & skf21("5","2","6","2","5","1","7","1") = "6"
    & skf21("5","2","6","2","5","2","1","1") = "5"
    & skf21("5","2","6","2","5","2","2","1") = "5"
    & skf21("5","2","6","2","5","2","3","1") = "5"
    & skf21("5","2","6","2","5","2","4","1") = "5"
    & skf21("5","2","6","2","5","2","5","1") = "5"
    & skf21("5","2","6","2","5","2","6","1") = "5"
    & skf21("5","2","6","2","5","2","7","1") = "6"
    & skf21("5","2","6","2","5","3","1","1") = "5"
    & skf21("5","2","6","2","5","3","2","1") = "5"
    & skf21("5","2","6","2","5","3","3","1") = "5"
    & skf21("5","2","6","2","5","3","4","1") = "5"
    & skf21("5","2","6","2","5","3","5","1") = "5"
    & skf21("5","2","6","2","5","3","6","1") = "5"
    & skf21("5","2","6","2","5","3","7","1") = "6"
    & skf21("5","2","6","2","5","4","1","1") = "5"
    & skf21("5","2","6","2","5","4","2","1") = "5"
    & skf21("5","2","6","2","5","4","3","1") = "5"
    & skf21("5","2","6","2","5","4","4","1") = "5"
    & skf21("5","2","6","2","5","4","5","1") = "5"
    & skf21("5","2","6","2","5","4","6","1") = "5"
    & skf21("5","2","6","2","5","4","7","1") = "6"
    & skf21("5","2","6","2","5","5","1","1") = "5"
    & skf21("5","2","6","2","5","5","2","1") = "5"
    & skf21("5","2","6","2","5","5","3","1") = "5"
    & skf21("5","2","6","2","5","5","4","1") = "5"
    & skf21("5","2","6","2","5","5","5","1") = "5"
    & skf21("5","2","6","2","5","5","6","1") = "5"
    & skf21("5","2","6","2","5","5","7","1") = "6"
    & skf21("5","2","6","2","5","6","1","1") = "5"
    & skf21("5","2","6","2","5","6","2","1") = "5"
    & skf21("5","2","6","2","5","6","3","1") = "5"
    & skf21("5","2","6","2","5","6","4","1") = "5"
    & skf21("5","2","6","2","5","6","5","1") = "5"
    & skf21("5","2","6","2","5","6","6","1") = "5"
    & skf21("5","2","6","2","5","6","7","1") = "6"
    & skf21("5","2","6","2","5","7","1","1") = "6"
    & skf21("5","2","6","2","5","7","2","1") = "6"
    & skf21("5","2","6","2","5","7","3","1") = "6"
    & skf21("5","2","6","2","5","7","4","1") = "6"
    & skf21("5","2","6","2","5","7","5","1") = "6"
    & skf21("5","2","6","2","5","7","6","1") = "6"
    & skf21("5","2","6","2","5","7","7","1") = "6"
    & skf21("5","2","6","2","6","1","1","1") = "5"
    & skf21("5","2","6","2","6","1","2","1") = "5"
    & skf21("5","2","6","2","6","1","3","1") = "5"
    & skf21("5","2","6","2","6","1","4","1") = "5"
    & skf21("5","2","6","2","6","1","5","1") = "5"
    & skf21("5","2","6","2","6","1","6","1") = "5"
    & skf21("5","2","6","2","6","1","7","1") = "6"
    & skf21("5","2","6","2","6","2","1","1") = "5"
    & skf21("5","2","6","2","6","2","2","1") = "5"
    & skf21("5","2","6","2","6","2","3","1") = "5"
    & skf21("5","2","6","2","6","2","4","1") = "5"
    & skf21("5","2","6","2","6","2","5","1") = "5"
    & skf21("5","2","6","2","6","2","6","1") = "5"
    & skf21("5","2","6","2","6","2","7","1") = "6"
    & skf21("5","2","6","2","6","3","1","1") = "5"
    & skf21("5","2","6","2","6","3","2","1") = "5"
    & skf21("5","2","6","2","6","3","3","1") = "5"
    & skf21("5","2","6","2","6","3","4","1") = "5"
    & skf21("5","2","6","2","6","3","5","1") = "5"
    & skf21("5","2","6","2","6","3","6","1") = "5"
    & skf21("5","2","6","2","6","3","7","1") = "6"
    & skf21("5","2","6","2","6","4","1","1") = "5"
    & skf21("5","2","6","2","6","4","2","1") = "5"
    & skf21("5","2","6","2","6","4","3","1") = "5"
    & skf21("5","2","6","2","6","4","4","1") = "5"
    & skf21("5","2","6","2","6","4","5","1") = "5"
    & skf21("5","2","6","2","6","4","6","1") = "5"
    & skf21("5","2","6","2","6","4","7","1") = "6"
    & skf21("5","2","6","2","6","5","1","1") = "5"
    & skf21("5","2","6","2","6","5","2","1") = "5"
    & skf21("5","2","6","2","6","5","3","1") = "5"
    & skf21("5","2","6","2","6","5","4","1") = "5"
    & skf21("5","2","6","2","6","5","5","1") = "5"
    & skf21("5","2","6","2","6","5","6","1") = "5"
    & skf21("5","2","6","2","6","5","7","1") = "6"
    & skf21("5","2","6","2","6","6","1","1") = "5"
    & skf21("5","2","6","2","6","6","2","1") = "5"
    & skf21("5","2","6","2","6","6","3","1") = "5"
    & skf21("5","2","6","2","6","6","4","1") = "5"
    & skf21("5","2","6","2","6","6","5","1") = "5"
    & skf21("5","2","6","2","6","6","6","1") = "5"
    & skf21("5","2","6","2","6","6","7","1") = "6"
    & skf21("5","2","6","2","6","7","1","1") = "6"
    & skf21("5","2","6","2","6","7","2","1") = "6"
    & skf21("5","2","6","2","6","7","3","1") = "6"
    & skf21("5","2","6","2","6","7","4","1") = "6"
    & skf21("5","2","6","2","6","7","5","1") = "6"
    & skf21("5","2","6","2","6","7","6","1") = "6"
    & skf21("5","2","6","2","6","7","7","1") = "6"
    & skf21("5","2","6","2","7","1","1","1") = "6"
    & skf21("5","2","6","2","7","1","2","1") = "6"
    & skf21("5","2","6","2","7","1","3","1") = "6"
    & skf21("5","2","6","2","7","1","4","1") = "6"
    & skf21("5","2","6","2","7","1","5","1") = "6"
    & skf21("5","2","6","2","7","1","6","1") = "6"
    & skf21("5","2","6","2","7","1","7","1") = "6"
    & skf21("5","2","6","2","7","2","1","1") = "6"
    & skf21("5","2","6","2","7","2","2","1") = "6"
    & skf21("5","2","6","2","7","2","3","1") = "6"
    & skf21("5","2","6","2","7","2","4","1") = "6"
    & skf21("5","2","6","2","7","2","5","1") = "6"
    & skf21("5","2","6","2","7","2","6","1") = "6"
    & skf21("5","2","6","2","7","2","7","1") = "6"
    & skf21("5","2","6","2","7","3","1","1") = "6"
    & skf21("5","2","6","2","7","3","2","1") = "6"
    & skf21("5","2","6","2","7","3","3","1") = "6"
    & skf21("5","2","6","2","7","3","4","1") = "6"
    & skf21("5","2","6","2","7","3","5","1") = "6"
    & skf21("5","2","6","2","7","3","6","1") = "6"
    & skf21("5","2","6","2","7","3","7","1") = "6"
    & skf21("5","2","6","2","7","4","1","1") = "6"
    & skf21("5","2","6","2","7","4","2","1") = "6"
    & skf21("5","2","6","2","7","4","3","1") = "6"
    & skf21("5","2","6","2","7","4","4","1") = "6"
    & skf21("5","2","6","2","7","4","5","1") = "6"
    & skf21("5","2","6","2","7","4","6","1") = "6"
    & skf21("5","2","6","2","7","4","7","1") = "6"
    & skf21("5","2","6","2","7","5","1","1") = "6"
    & skf21("5","2","6","2","7","5","2","1") = "6"
    & skf21("5","2","6","2","7","5","3","1") = "6"
    & skf21("5","2","6","2","7","5","4","1") = "6"
    & skf21("5","2","6","2","7","5","5","1") = "6"
    & skf21("5","2","6","2","7","5","6","1") = "6"
    & skf21("5","2","6","2","7","5","7","1") = "6"
    & skf21("5","2","6","2","7","6","1","1") = "6"
    & skf21("5","2","6","2","7","6","2","1") = "6"
    & skf21("5","2","6","2","7","6","3","1") = "6"
    & skf21("5","2","6","2","7","6","4","1") = "6"
    & skf21("5","2","6","2","7","6","5","1") = "6"
    & skf21("5","2","6","2","7","6","6","1") = "6"
    & skf21("5","2","6","2","7","6","7","1") = "6"
    & skf21("5","2","6","2","7","7","1","1") = "6"
    & skf21("5","2","6","2","7","7","2","1") = "6"
    & skf21("5","2","6","2","7","7","3","1") = "6"
    & skf21("5","2","6","2","7","7","4","1") = "6"
    & skf21("5","2","6","2","7","7","5","1") = "6"
    & skf21("5","2","6","2","7","7","6","1") = "6"
    & skf21("5","2","6","2","7","7","7","1") = "6"
    & skf21("5","2","6","3","1","1","1","1") = "5"
    & skf21("5","2","6","3","1","1","2","1") = "5"
    & skf21("5","2","6","3","1","1","3","1") = "5"
    & skf21("5","2","6","3","1","1","4","1") = "5"
    & skf21("5","2","6","3","1","1","5","1") = "5"
    & skf21("5","2","6","3","1","1","6","1") = "5"
    & skf21("5","2","6","3","1","1","7","1") = "6"
    & skf21("5","2","6","3","1","2","1","1") = "5"
    & skf21("5","2","6","3","1","2","2","1") = "5"
    & skf21("5","2","6","3","1","2","3","1") = "5"
    & skf21("5","2","6","3","1","2","4","1") = "5"
    & skf21("5","2","6","3","1","2","5","1") = "5"
    & skf21("5","2","6","3","1","2","6","1") = "5"
    & skf21("5","2","6","3","1","2","7","1") = "6"
    & skf21("5","2","6","3","1","3","1","1") = "5"
    & skf21("5","2","6","3","1","3","2","1") = "5"
    & skf21("5","2","6","3","1","3","3","1") = "5"
    & skf21("5","2","6","3","1","3","4","1") = "5"
    & skf21("5","2","6","3","1","3","5","1") = "5"
    & skf21("5","2","6","3","1","3","6","1") = "5"
    & skf21("5","2","6","3","1","3","7","1") = "6"
    & skf21("5","2","6","3","1","4","1","1") = "5"
    & skf21("5","2","6","3","1","4","2","1") = "5"
    & skf21("5","2","6","3","1","4","3","1") = "5"
    & skf21("5","2","6","3","1","4","4","1") = "5"
    & skf21("5","2","6","3","1","4","5","1") = "5"
    & skf21("5","2","6","3","1","4","6","1") = "5"
    & skf21("5","2","6","3","1","4","7","1") = "6"
    & skf21("5","2","6","3","1","5","1","1") = "5"
    & skf21("5","2","6","3","1","5","2","1") = "5"
    & skf21("5","2","6","3","1","5","3","1") = "5"
    & skf21("5","2","6","3","1","5","4","1") = "5"
    & skf21("5","2","6","3","1","5","5","1") = "5"
    & skf21("5","2","6","3","1","5","6","1") = "5"
    & skf21("5","2","6","3","1","5","7","1") = "6"
    & skf21("5","2","6","3","1","6","1","1") = "5"
    & skf21("5","2","6","3","1","6","2","1") = "5"
    & skf21("5","2","6","3","1","6","3","1") = "5"
    & skf21("5","2","6","3","1","6","4","1") = "5"
    & skf21("5","2","6","3","1","6","5","1") = "5"
    & skf21("5","2","6","3","1","6","6","1") = "5"
    & skf21("5","2","6","3","1","6","7","1") = "6"
    & skf21("5","2","6","3","1","7","1","1") = "6"
    & skf21("5","2","6","3","1","7","2","1") = "6"
    & skf21("5","2","6","3","1","7","3","1") = "6"
    & skf21("5","2","6","3","1","7","4","1") = "6"
    & skf21("5","2","6","3","1","7","5","1") = "6"
    & skf21("5","2","6","3","1","7","6","1") = "6"
    & skf21("5","2","6","3","1","7","7","1") = "6"
    & skf21("5","2","6","3","2","1","1","1") = "5"
    & skf21("5","2","6","3","2","1","2","1") = "5"
    & skf21("5","2","6","3","2","1","3","1") = "5"
    & skf21("5","2","6","3","2","1","4","1") = "5"
    & skf21("5","2","6","3","2","1","5","1") = "5"
    & skf21("5","2","6","3","2","1","6","1") = "5"
    & skf21("5","2","6","3","2","1","7","1") = "6"
    & skf21("5","2","6","3","2","2","1","1") = "5"
    & skf21("5","2","6","3","2","2","2","1") = "5"
    & skf21("5","2","6","3","2","2","3","1") = "5"
    & skf21("5","2","6","3","2","2","4","1") = "5"
    & skf21("5","2","6","3","2","2","5","1") = "5"
    & skf21("5","2","6","3","2","2","6","1") = "5"
    & skf21("5","2","6","3","2","2","7","1") = "6"
    & skf21("5","2","6","3","2","3","1","1") = "5"
    & skf21("5","2","6","3","2","3","2","1") = "5"
    & skf21("5","2","6","3","2","3","3","1") = "5"
    & skf21("5","2","6","3","2","3","4","1") = "5"
    & skf21("5","2","6","3","2","3","5","1") = "5"
    & skf21("5","2","6","3","2","3","6","1") = "5"
    & skf21("5","2","6","3","2","3","7","1") = "6"
    & skf21("5","2","6","3","2","4","1","1") = "5"
    & skf21("5","2","6","3","2","4","2","1") = "5"
    & skf21("5","2","6","3","2","4","3","1") = "5"
    & skf21("5","2","6","3","2","4","4","1") = "5"
    & skf21("5","2","6","3","2","4","5","1") = "5"
    & skf21("5","2","6","3","2","4","6","1") = "5"
    & skf21("5","2","6","3","2","4","7","1") = "6"
    & skf21("5","2","6","3","2","5","1","1") = "5"
    & skf21("5","2","6","3","2","5","2","1") = "5"
    & skf21("5","2","6","3","2","5","3","1") = "5"
    & skf21("5","2","6","3","2","5","4","1") = "5"
    & skf21("5","2","6","3","2","5","5","1") = "5"
    & skf21("5","2","6","3","2","5","6","1") = "5"
    & skf21("5","2","6","3","2","5","7","1") = "6"
    & skf21("5","2","6","3","2","6","1","1") = "5"
    & skf21("5","2","6","3","2","6","2","1") = "5"
    & skf21("5","2","6","3","2","6","3","1") = "5"
    & skf21("5","2","6","3","2","6","4","1") = "5"
    & skf21("5","2","6","3","2","6","5","1") = "5"
    & skf21("5","2","6","3","2","6","6","1") = "5"
    & skf21("5","2","6","3","2","6","7","1") = "6"
    & skf21("5","2","6","3","2","7","1","1") = "6"
    & skf21("5","2","6","3","2","7","2","1") = "6"
    & skf21("5","2","6","3","2","7","3","1") = "6"
    & skf21("5","2","6","3","2","7","4","1") = "6"
    & skf21("5","2","6","3","2","7","5","1") = "6"
    & skf21("5","2","6","3","2","7","6","1") = "6"
    & skf21("5","2","6","3","2","7","7","1") = "6"
    & skf21("5","2","6","3","3","1","1","1") = "5"
    & skf21("5","2","6","3","3","1","2","1") = "5"
    & skf21("5","2","6","3","3","1","3","1") = "5"
    & skf21("5","2","6","3","3","1","4","1") = "5"
    & skf21("5","2","6","3","3","1","5","1") = "5"
    & skf21("5","2","6","3","3","1","6","1") = "5"
    & skf21("5","2","6","3","3","1","7","1") = "6"
    & skf21("5","2","6","3","3","2","1","1") = "5"
    & skf21("5","2","6","3","3","2","2","1") = "5"
    & skf21("5","2","6","3","3","2","3","1") = "5"
    & skf21("5","2","6","3","3","2","4","1") = "5"
    & skf21("5","2","6","3","3","2","5","1") = "5"
    & skf21("5","2","6","3","3","2","6","1") = "5"
    & skf21("5","2","6","3","3","2","7","1") = "6"
    & skf21("5","2","6","3","3","3","1","1") = "5"
    & skf21("5","2","6","3","3","3","2","1") = "5"
    & skf21("5","2","6","3","3","3","3","1") = "5"
    & skf21("5","2","6","3","3","3","4","1") = "5"
    & skf21("5","2","6","3","3","3","5","1") = "5"
    & skf21("5","2","6","3","3","3","6","1") = "5"
    & skf21("5","2","6","3","3","3","7","1") = "6"
    & skf21("5","2","6","3","3","4","1","1") = "5"
    & skf21("5","2","6","3","3","4","2","1") = "5"
    & skf21("5","2","6","3","3","4","3","1") = "5"
    & skf21("5","2","6","3","3","4","4","1") = "5"
    & skf21("5","2","6","3","3","4","5","1") = "5"
    & skf21("5","2","6","3","3","4","6","1") = "5"
    & skf21("5","2","6","3","3","4","7","1") = "6"
    & skf21("5","2","6","3","3","5","1","1") = "5"
    & skf21("5","2","6","3","3","5","2","1") = "5"
    & skf21("5","2","6","3","3","5","3","1") = "5"
    & skf21("5","2","6","3","3","5","4","1") = "5"
    & skf21("5","2","6","3","3","5","5","1") = "5"
    & skf21("5","2","6","3","3","5","6","1") = "5"
    & skf21("5","2","6","3","3","5","7","1") = "6"
    & skf21("5","2","6","3","3","6","1","1") = "5"
    & skf21("5","2","6","3","3","6","2","1") = "5"
    & skf21("5","2","6","3","3","6","3","1") = "5"
    & skf21("5","2","6","3","3","6","4","1") = "5"
    & skf21("5","2","6","3","3","6","5","1") = "5"
    & skf21("5","2","6","3","3","6","6","1") = "5"
    & skf21("5","2","6","3","3","6","7","1") = "6"
    & skf21("5","2","6","3","3","7","1","1") = "6"
    & skf21("5","2","6","3","3","7","2","1") = "6"
    & skf21("5","2","6","3","3","7","3","1") = "6"
    & skf21("5","2","6","3","3","7","4","1") = "6"
    & skf21("5","2","6","3","3","7","5","1") = "6"
    & skf21("5","2","6","3","3","7","6","1") = "6"
    & skf21("5","2","6","3","3","7","7","1") = "6"
    & skf21("5","2","6","3","4","1","1","1") = "5"
    & skf21("5","2","6","3","4","1","2","1") = "5"
    & skf21("5","2","6","3","4","1","3","1") = "5"
    & skf21("5","2","6","3","4","1","4","1") = "5"
    & skf21("5","2","6","3","4","1","5","1") = "5"
    & skf21("5","2","6","3","4","1","6","1") = "5"
    & skf21("5","2","6","3","4","1","7","1") = "6"
    & skf21("5","2","6","3","4","2","1","1") = "5"
    & skf21("5","2","6","3","4","2","2","1") = "5"
    & skf21("5","2","6","3","4","2","3","1") = "5"
    & skf21("5","2","6","3","4","2","4","1") = "5"
    & skf21("5","2","6","3","4","2","5","1") = "5"
    & skf21("5","2","6","3","4","2","6","1") = "5"
    & skf21("5","2","6","3","4","2","7","1") = "6"
    & skf21("5","2","6","3","4","3","1","1") = "5"
    & skf21("5","2","6","3","4","3","2","1") = "5"
    & skf21("5","2","6","3","4","3","3","1") = "5"
    & skf21("5","2","6","3","4","3","4","1") = "5"
    & skf21("5","2","6","3","4","3","5","1") = "5"
    & skf21("5","2","6","3","4","3","6","1") = "5"
    & skf21("5","2","6","3","4","3","7","1") = "6"
    & skf21("5","2","6","3","4","4","1","1") = "5"
    & skf21("5","2","6","3","4","4","2","1") = "5"
    & skf21("5","2","6","3","4","4","3","1") = "5"
    & skf21("5","2","6","3","4","4","4","1") = "5"
    & skf21("5","2","6","3","4","4","5","1") = "5"
    & skf21("5","2","6","3","4","4","6","1") = "5"
    & skf21("5","2","6","3","4","4","7","1") = "6"
    & skf21("5","2","6","3","4","5","1","1") = "5"
    & skf21("5","2","6","3","4","5","2","1") = "5"
    & skf21("5","2","6","3","4","5","3","1") = "5"
    & skf21("5","2","6","3","4","5","4","1") = "5"
    & skf21("5","2","6","3","4","5","5","1") = "5"
    & skf21("5","2","6","3","4","5","6","1") = "5"
    & skf21("5","2","6","3","4","5","7","1") = "6"
    & skf21("5","2","6","3","4","6","1","1") = "5"
    & skf21("5","2","6","3","4","6","2","1") = "5"
    & skf21("5","2","6","3","4","6","3","1") = "5"
    & skf21("5","2","6","3","4","6","4","1") = "5"
    & skf21("5","2","6","3","4","6","5","1") = "5"
    & skf21("5","2","6","3","4","6","6","1") = "5"
    & skf21("5","2","6","3","4","6","7","1") = "6"
    & skf21("5","2","6","3","4","7","1","1") = "6"
    & skf21("5","2","6","3","4","7","2","1") = "6"
    & skf21("5","2","6","3","4","7","3","1") = "6"
    & skf21("5","2","6","3","4","7","4","1") = "6"
    & skf21("5","2","6","3","4","7","5","1") = "6"
    & skf21("5","2","6","3","4","7","6","1") = "6"
    & skf21("5","2","6","3","4","7","7","1") = "6"
    & skf21("5","2","6","3","5","1","1","1") = "5"
    & skf21("5","2","6","3","5","1","2","1") = "5"
    & skf21("5","2","6","3","5","1","3","1") = "5"
    & skf21("5","2","6","3","5","1","4","1") = "5"
    & skf21("5","2","6","3","5","1","5","1") = "5"
    & skf21("5","2","6","3","5","1","6","1") = "5"
    & skf21("5","2","6","3","5","1","7","1") = "6"
    & skf21("5","2","6","3","5","2","1","1") = "5"
    & skf21("5","2","6","3","5","2","2","1") = "5"
    & skf21("5","2","6","3","5","2","3","1") = "5"
    & skf21("5","2","6","3","5","2","4","1") = "5"
    & skf21("5","2","6","3","5","2","5","1") = "5"
    & skf21("5","2","6","3","5","2","6","1") = "5"
    & skf21("5","2","6","3","5","2","7","1") = "6"
    & skf21("5","2","6","3","5","3","1","1") = "5"
    & skf21("5","2","6","3","5","3","2","1") = "5"
    & skf21("5","2","6","3","5","3","3","1") = "5"
    & skf21("5","2","6","3","5","3","4","1") = "5"
    & skf21("5","2","6","3","5","3","5","1") = "5"
    & skf21("5","2","6","3","5","3","6","1") = "5"
    & skf21("5","2","6","3","5","3","7","1") = "6"
    & skf21("5","2","6","3","5","4","1","1") = "5"
    & skf21("5","2","6","3","5","4","2","1") = "5"
    & skf21("5","2","6","3","5","4","3","1") = "5"
    & skf21("5","2","6","3","5","4","4","1") = "5"
    & skf21("5","2","6","3","5","4","5","1") = "5"
    & skf21("5","2","6","3","5","4","6","1") = "5"
    & skf21("5","2","6","3","5","4","7","1") = "6"
    & skf21("5","2","6","3","5","5","1","1") = "5"
    & skf21("5","2","6","3","5","5","2","1") = "5"
    & skf21("5","2","6","3","5","5","3","1") = "5"
    & skf21("5","2","6","3","5","5","4","1") = "5"
    & skf21("5","2","6","3","5","5","5","1") = "5"
    & skf21("5","2","6","3","5","5","6","1") = "5"
    & skf21("5","2","6","3","5","5","7","1") = "6"
    & skf21("5","2","6","3","5","6","1","1") = "5"
    & skf21("5","2","6","3","5","6","2","1") = "5"
    & skf21("5","2","6","3","5","6","3","1") = "5"
    & skf21("5","2","6","3","5","6","4","1") = "5"
    & skf21("5","2","6","3","5","6","5","1") = "5"
    & skf21("5","2","6","3","5","6","6","1") = "5"
    & skf21("5","2","6","3","5","6","7","1") = "6"
    & skf21("5","2","6","3","5","7","1","1") = "6"
    & skf21("5","2","6","3","5","7","2","1") = "6"
    & skf21("5","2","6","3","5","7","3","1") = "6"
    & skf21("5","2","6","3","5","7","4","1") = "6"
    & skf21("5","2","6","3","5","7","5","1") = "6"
    & skf21("5","2","6","3","5","7","6","1") = "6"
    & skf21("5","2","6","3","5","7","7","1") = "6"
    & skf21("5","2","6","3","6","1","1","1") = "5"
    & skf21("5","2","6","3","6","1","2","1") = "5"
    & skf21("5","2","6","3","6","1","3","1") = "5"
    & skf21("5","2","6","3","6","1","4","1") = "5"
    & skf21("5","2","6","3","6","1","5","1") = "5"
    & skf21("5","2","6","3","6","1","6","1") = "5"
    & skf21("5","2","6","3","6","1","7","1") = "6"
    & skf21("5","2","6","3","6","2","1","1") = "5"
    & skf21("5","2","6","3","6","2","2","1") = "5"
    & skf21("5","2","6","3","6","2","3","1") = "5"
    & skf21("5","2","6","3","6","2","4","1") = "5"
    & skf21("5","2","6","3","6","2","5","1") = "5"
    & skf21("5","2","6","3","6","2","6","1") = "5"
    & skf21("5","2","6","3","6","2","7","1") = "6"
    & skf21("5","2","6","3","6","3","1","1") = "5"
    & skf21("5","2","6","3","6","3","2","1") = "5"
    & skf21("5","2","6","3","6","3","3","1") = "5"
    & skf21("5","2","6","3","6","3","4","1") = "5"
    & skf21("5","2","6","3","6","3","5","1") = "5"
    & skf21("5","2","6","3","6","3","6","1") = "5"
    & skf21("5","2","6","3","6","3","7","1") = "6"
    & skf21("5","2","6","3","6","4","1","1") = "5"
    & skf21("5","2","6","3","6","4","2","1") = "5"
    & skf21("5","2","6","3","6","4","3","1") = "5"
    & skf21("5","2","6","3","6","4","4","1") = "5"
    & skf21("5","2","6","3","6","4","5","1") = "5"
    & skf21("5","2","6","3","6","4","6","1") = "5"
    & skf21("5","2","6","3","6","4","7","1") = "6"
    & skf21("5","2","6","3","6","5","1","1") = "5"
    & skf21("5","2","6","3","6","5","2","1") = "5"
    & skf21("5","2","6","3","6","5","3","1") = "5"
    & skf21("5","2","6","3","6","5","4","1") = "5"
    & skf21("5","2","6","3","6","5","5","1") = "5"
    & skf21("5","2","6","3","6","5","6","1") = "5"
    & skf21("5","2","6","3","6","5","7","1") = "6"
    & skf21("5","2","6","3","6","6","1","1") = "5"
    & skf21("5","2","6","3","6","6","2","1") = "5"
    & skf21("5","2","6","3","6","6","3","1") = "5"
    & skf21("5","2","6","3","6","6","4","1") = "5"
    & skf21("5","2","6","3","6","6","5","1") = "5"
    & skf21("5","2","6","3","6","6","6","1") = "5"
    & skf21("5","2","6","3","6","6","7","1") = "6"
    & skf21("5","2","6","3","6","7","1","1") = "6"
    & skf21("5","2","6","3","6","7","2","1") = "6"
    & skf21("5","2","6","3","6","7","3","1") = "6"
    & skf21("5","2","6","3","6","7","4","1") = "6"
    & skf21("5","2","6","3","6","7","5","1") = "6"
    & skf21("5","2","6","3","6","7","6","1") = "6"
    & skf21("5","2","6","3","6","7","7","1") = "6"
    & skf21("5","2","6","3","7","1","1","1") = "6"
    & skf21("5","2","6","3","7","1","2","1") = "6"
    & skf21("5","2","6","3","7","1","3","1") = "6"
    & skf21("5","2","6","3","7","1","4","1") = "6"
    & skf21("5","2","6","3","7","1","5","1") = "6"
    & skf21("5","2","6","3","7","1","6","1") = "6"
    & skf21("5","2","6","3","7","1","7","1") = "6"
    & skf21("5","2","6","3","7","2","1","1") = "6"
    & skf21("5","2","6","3","7","2","2","1") = "6"
    & skf21("5","2","6","3","7","2","3","1") = "6"
    & skf21("5","2","6","3","7","2","4","1") = "6"
    & skf21("5","2","6","3","7","2","5","1") = "6"
    & skf21("5","2","6","3","7","2","6","1") = "6"
    & skf21("5","2","6","3","7","2","7","1") = "6"
    & skf21("5","2","6","3","7","3","1","1") = "6"
    & skf21("5","2","6","3","7","3","2","1") = "6"
    & skf21("5","2","6","3","7","3","3","1") = "6"
    & skf21("5","2","6","3","7","3","4","1") = "6"
    & skf21("5","2","6","3","7","3","5","1") = "6"
    & skf21("5","2","6","3","7","3","6","1") = "6"
    & skf21("5","2","6","3","7","3","7","1") = "6"
    & skf21("5","2","6","3","7","4","1","1") = "6"
    & skf21("5","2","6","3","7","4","2","1") = "6"
    & skf21("5","2","6","3","7","4","3","1") = "6"
    & skf21("5","2","6","3","7","4","4","1") = "6"
    & skf21("5","2","6","3","7","4","5","1") = "6"
    & skf21("5","2","6","3","7","4","6","1") = "6"
    & skf21("5","2","6","3","7","4","7","1") = "6"
    & skf21("5","2","6","3","7","5","1","1") = "6"
    & skf21("5","2","6","3","7","5","2","1") = "6"
    & skf21("5","2","6","3","7","5","3","1") = "6"
    & skf21("5","2","6","3","7","5","4","1") = "6"
    & skf21("5","2","6","3","7","5","5","1") = "6"
    & skf21("5","2","6","3","7","5","6","1") = "6"
    & skf21("5","2","6","3","7","5","7","1") = "6"
    & skf21("5","2","6","3","7","6","1","1") = "6"
    & skf21("5","2","6","3","7","6","2","1") = "6"
    & skf21("5","2","6","3","7","6","3","1") = "6"
    & skf21("5","2","6","3","7","6","4","1") = "6"
    & skf21("5","2","6","3","7","6","5","1") = "6"
    & skf21("5","2","6","3","7","6","6","1") = "6"
    & skf21("5","2","6","3","7","6","7","1") = "6"
    & skf21("5","2","6","3","7","7","1","1") = "6"
    & skf21("5","2","6","3","7","7","2","1") = "6"
    & skf21("5","2","6","3","7","7","3","1") = "6"
    & skf21("5","2","6","3","7","7","4","1") = "6"
    & skf21("5","2","6","3","7","7","5","1") = "6"
    & skf21("5","2","6","3","7","7","6","1") = "6"
    & skf21("5","2","6","3","7","7","7","1") = "6"
    & skf21("5","2","6","4","1","1","1","1") = "5"
    & skf21("5","2","6","4","1","1","2","1") = "5"
    & skf21("5","2","6","4","1","1","3","1") = "5"
    & skf21("5","2","6","4","1","1","4","1") = "5"
    & skf21("5","2","6","4","1","1","5","1") = "5"
    & skf21("5","2","6","4","1","1","6","1") = "5"
    & skf21("5","2","6","4","1","1","7","1") = "6"
    & skf21("5","2","6","4","1","2","1","1") = "5"
    & skf21("5","2","6","4","1","2","2","1") = "5"
    & skf21("5","2","6","4","1","2","3","1") = "5"
    & skf21("5","2","6","4","1","2","4","1") = "5"
    & skf21("5","2","6","4","1","2","5","1") = "5"
    & skf21("5","2","6","4","1","2","6","1") = "5"
    & skf21("5","2","6","4","1","2","7","1") = "6"
    & skf21("5","2","6","4","1","3","1","1") = "5"
    & skf21("5","2","6","4","1","3","2","1") = "5"
    & skf21("5","2","6","4","1","3","3","1") = "5"
    & skf21("5","2","6","4","1","3","4","1") = "5"
    & skf21("5","2","6","4","1","3","5","1") = "5"
    & skf21("5","2","6","4","1","3","6","1") = "5"
    & skf21("5","2","6","4","1","3","7","1") = "6"
    & skf21("5","2","6","4","1","4","1","1") = "5"
    & skf21("5","2","6","4","1","4","2","1") = "5"
    & skf21("5","2","6","4","1","4","3","1") = "5"
    & skf21("5","2","6","4","1","4","4","1") = "5"
    & skf21("5","2","6","4","1","4","5","1") = "5"
    & skf21("5","2","6","4","1","4","6","1") = "5"
    & skf21("5","2","6","4","1","4","7","1") = "6"
    & skf21("5","2","6","4","1","5","1","1") = "5"
    & skf21("5","2","6","4","1","5","2","1") = "5"
    & skf21("5","2","6","4","1","5","3","1") = "5"
    & skf21("5","2","6","4","1","5","4","1") = "5"
    & skf21("5","2","6","4","1","5","5","1") = "5"
    & skf21("5","2","6","4","1","5","6","1") = "5"
    & skf21("5","2","6","4","1","5","7","1") = "6"
    & skf21("5","2","6","4","1","6","1","1") = "5"
    & skf21("5","2","6","4","1","6","2","1") = "5"
    & skf21("5","2","6","4","1","6","3","1") = "5"
    & skf21("5","2","6","4","1","6","4","1") = "5"
    & skf21("5","2","6","4","1","6","5","1") = "5"
    & skf21("5","2","6","4","1","6","6","1") = "5"
    & skf21("5","2","6","4","1","6","7","1") = "6"
    & skf21("5","2","6","4","1","7","1","1") = "6"
    & skf21("5","2","6","4","1","7","2","1") = "6"
    & skf21("5","2","6","4","1","7","3","1") = "6"
    & skf21("5","2","6","4","1","7","4","1") = "6"
    & skf21("5","2","6","4","1","7","5","1") = "6"
    & skf21("5","2","6","4","1","7","6","1") = "6"
    & skf21("5","2","6","4","1","7","7","1") = "6"
    & skf21("5","2","6","4","2","1","1","1") = "5"
    & skf21("5","2","6","4","2","1","2","1") = "5"
    & skf21("5","2","6","4","2","1","3","1") = "5"
    & skf21("5","2","6","4","2","1","4","1") = "5"
    & skf21("5","2","6","4","2","1","5","1") = "5"
    & skf21("5","2","6","4","2","1","6","1") = "5"
    & skf21("5","2","6","4","2","1","7","1") = "6"
    & skf21("5","2","6","4","2","2","1","1") = "5"
    & skf21("5","2","6","4","2","2","2","1") = "5"
    & skf21("5","2","6","4","2","2","3","1") = "5"
    & skf21("5","2","6","4","2","2","4","1") = "5"
    & skf21("5","2","6","4","2","2","5","1") = "5"
    & skf21("5","2","6","4","2","2","6","1") = "5"
    & skf21("5","2","6","4","2","2","7","1") = "6"
    & skf21("5","2","6","4","2","3","1","1") = "5"
    & skf21("5","2","6","4","2","3","2","1") = "5"
    & skf21("5","2","6","4","2","3","3","1") = "5"
    & skf21("5","2","6","4","2","3","4","1") = "5"
    & skf21("5","2","6","4","2","3","5","1") = "5"
    & skf21("5","2","6","4","2","3","6","1") = "5"
    & skf21("5","2","6","4","2","3","7","1") = "6"
    & skf21("5","2","6","4","2","4","1","1") = "5"
    & skf21("5","2","6","4","2","4","2","1") = "5"
    & skf21("5","2","6","4","2","4","3","1") = "5"
    & skf21("5","2","6","4","2","4","4","1") = "5"
    & skf21("5","2","6","4","2","4","5","1") = "5"
    & skf21("5","2","6","4","2","4","6","1") = "5"
    & skf21("5","2","6","4","2","4","7","1") = "6"
    & skf21("5","2","6","4","2","5","1","1") = "5"
    & skf21("5","2","6","4","2","5","2","1") = "5"
    & skf21("5","2","6","4","2","5","3","1") = "5"
    & skf21("5","2","6","4","2","5","4","1") = "5"
    & skf21("5","2","6","4","2","5","5","1") = "5"
    & skf21("5","2","6","4","2","5","6","1") = "5"
    & skf21("5","2","6","4","2","5","7","1") = "6"
    & skf21("5","2","6","4","2","6","1","1") = "5"
    & skf21("5","2","6","4","2","6","2","1") = "5"
    & skf21("5","2","6","4","2","6","3","1") = "5"
    & skf21("5","2","6","4","2","6","4","1") = "5"
    & skf21("5","2","6","4","2","6","5","1") = "5"
    & skf21("5","2","6","4","2","6","6","1") = "5"
    & skf21("5","2","6","4","2","6","7","1") = "6"
    & skf21("5","2","6","4","2","7","1","1") = "6"
    & skf21("5","2","6","4","2","7","2","1") = "6"
    & skf21("5","2","6","4","2","7","3","1") = "6"
    & skf21("5","2","6","4","2","7","4","1") = "6"
    & skf21("5","2","6","4","2","7","5","1") = "6"
    & skf21("5","2","6","4","2","7","6","1") = "6"
    & skf21("5","2","6","4","2","7","7","1") = "6"
    & skf21("5","2","6","4","3","1","1","1") = "5"
    & skf21("5","2","6","4","3","1","2","1") = "5"
    & skf21("5","2","6","4","3","1","3","1") = "5"
    & skf21("5","2","6","4","3","1","4","1") = "5"
    & skf21("5","2","6","4","3","1","5","1") = "5"
    & skf21("5","2","6","4","3","1","6","1") = "5"
    & skf21("5","2","6","4","3","1","7","1") = "6"
    & skf21("5","2","6","4","3","2","1","1") = "5"
    & skf21("5","2","6","4","3","2","2","1") = "5"
    & skf21("5","2","6","4","3","2","3","1") = "5"
    & skf21("5","2","6","4","3","2","4","1") = "5"
    & skf21("5","2","6","4","3","2","5","1") = "5"
    & skf21("5","2","6","4","3","2","6","1") = "5"
    & skf21("5","2","6","4","3","2","7","1") = "6"
    & skf21("5","2","6","4","3","3","1","1") = "5"
    & skf21("5","2","6","4","3","3","2","1") = "5"
    & skf21("5","2","6","4","3","3","3","1") = "5"
    & skf21("5","2","6","4","3","3","4","1") = "5"
    & skf21("5","2","6","4","3","3","5","1") = "5"
    & skf21("5","2","6","4","3","3","6","1") = "5"
    & skf21("5","2","6","4","3","3","7","1") = "6"
    & skf21("5","2","6","4","3","4","1","1") = "5"
    & skf21("5","2","6","4","3","4","2","1") = "5"
    & skf21("5","2","6","4","3","4","3","1") = "5"
    & skf21("5","2","6","4","3","4","4","1") = "5"
    & skf21("5","2","6","4","3","4","5","1") = "5"
    & skf21("5","2","6","4","3","4","6","1") = "5"
    & skf21("5","2","6","4","3","4","7","1") = "6"
    & skf21("5","2","6","4","3","5","1","1") = "5"
    & skf21("5","2","6","4","3","5","2","1") = "5"
    & skf21("5","2","6","4","3","5","3","1") = "5"
    & skf21("5","2","6","4","3","5","4","1") = "5"
    & skf21("5","2","6","4","3","5","5","1") = "5"
    & skf21("5","2","6","4","3","5","6","1") = "5"
    & skf21("5","2","6","4","3","5","7","1") = "6"
    & skf21("5","2","6","4","3","6","1","1") = "5"
    & skf21("5","2","6","4","3","6","2","1") = "5"
    & skf21("5","2","6","4","3","6","3","1") = "5"
    & skf21("5","2","6","4","3","6","4","1") = "5"
    & skf21("5","2","6","4","3","6","5","1") = "5"
    & skf21("5","2","6","4","3","6","6","1") = "5"
    & skf21("5","2","6","4","3","6","7","1") = "6"
    & skf21("5","2","6","4","3","7","1","1") = "6"
    & skf21("5","2","6","4","3","7","2","1") = "6"
    & skf21("5","2","6","4","3","7","3","1") = "6"
    & skf21("5","2","6","4","3","7","4","1") = "6"
    & skf21("5","2","6","4","3","7","5","1") = "6"
    & skf21("5","2","6","4","3","7","6","1") = "6"
    & skf21("5","2","6","4","3","7","7","1") = "6"
    & skf21("5","2","6","4","4","1","1","1") = "5"
    & skf21("5","2","6","4","4","1","2","1") = "5"
    & skf21("5","2","6","4","4","1","3","1") = "5"
    & skf21("5","2","6","4","4","1","4","1") = "5"
    & skf21("5","2","6","4","4","1","5","1") = "5"
    & skf21("5","2","6","4","4","1","6","1") = "5"
    & skf21("5","2","6","4","4","1","7","1") = "6"
    & skf21("5","2","6","4","4","2","1","1") = "5"
    & skf21("5","2","6","4","4","2","2","1") = "5"
    & skf21("5","2","6","4","4","2","3","1") = "5"
    & skf21("5","2","6","4","4","2","4","1") = "5"
    & skf21("5","2","6","4","4","2","5","1") = "5"
    & skf21("5","2","6","4","4","2","6","1") = "5"
    & skf21("5","2","6","4","4","2","7","1") = "6"
    & skf21("5","2","6","4","4","3","1","1") = "5"
    & skf21("5","2","6","4","4","3","2","1") = "5"
    & skf21("5","2","6","4","4","3","3","1") = "5"
    & skf21("5","2","6","4","4","3","4","1") = "5"
    & skf21("5","2","6","4","4","3","5","1") = "5"
    & skf21("5","2","6","4","4","3","6","1") = "5"
    & skf21("5","2","6","4","4","3","7","1") = "6"
    & skf21("5","2","6","4","4","4","1","1") = "5"
    & skf21("5","2","6","4","4","4","2","1") = "5"
    & skf21("5","2","6","4","4","4","3","1") = "5"
    & skf21("5","2","6","4","4","4","4","1") = "5"
    & skf21("5","2","6","4","4","4","5","1") = "5"
    & skf21("5","2","6","4","4","4","6","1") = "5"
    & skf21("5","2","6","4","4","4","7","1") = "6"
    & skf21("5","2","6","4","4","5","1","1") = "5"
    & skf21("5","2","6","4","4","5","2","1") = "5"
    & skf21("5","2","6","4","4","5","3","1") = "5"
    & skf21("5","2","6","4","4","5","4","1") = "5"
    & skf21("5","2","6","4","4","5","5","1") = "5"
    & skf21("5","2","6","4","4","5","6","1") = "5"
    & skf21("5","2","6","4","4","5","7","1") = "6"
    & skf21("5","2","6","4","4","6","1","1") = "5"
    & skf21("5","2","6","4","4","6","2","1") = "5"
    & skf21("5","2","6","4","4","6","3","1") = "5"
    & skf21("5","2","6","4","4","6","4","1") = "5"
    & skf21("5","2","6","4","4","6","5","1") = "5"
    & skf21("5","2","6","4","4","6","6","1") = "5"
    & skf21("5","2","6","4","4","6","7","1") = "6"
    & skf21("5","2","6","4","4","7","1","1") = "6"
    & skf21("5","2","6","4","4","7","2","1") = "6"
    & skf21("5","2","6","4","4","7","3","1") = "6"
    & skf21("5","2","6","4","4","7","4","1") = "6"
    & skf21("5","2","6","4","4","7","5","1") = "6"
    & skf21("5","2","6","4","4","7","6","1") = "6"
    & skf21("5","2","6","4","4","7","7","1") = "6"
    & skf21("5","2","6","4","5","1","1","1") = "5"
    & skf21("5","2","6","4","5","1","2","1") = "5"
    & skf21("5","2","6","4","5","1","3","1") = "5"
    & skf21("5","2","6","4","5","1","4","1") = "5"
    & skf21("5","2","6","4","5","1","5","1") = "5"
    & skf21("5","2","6","4","5","1","6","1") = "5"
    & skf21("5","2","6","4","5","1","7","1") = "6"
    & skf21("5","2","6","4","5","2","1","1") = "5"
    & skf21("5","2","6","4","5","2","2","1") = "5"
    & skf21("5","2","6","4","5","2","3","1") = "5"
    & skf21("5","2","6","4","5","2","4","1") = "5"
    & skf21("5","2","6","4","5","2","5","1") = "5"
    & skf21("5","2","6","4","5","2","6","1") = "5"
    & skf21("5","2","6","4","5","2","7","1") = "6"
    & skf21("5","2","6","4","5","3","1","1") = "5"
    & skf21("5","2","6","4","5","3","2","1") = "5"
    & skf21("5","2","6","4","5","3","3","1") = "5"
    & skf21("5","2","6","4","5","3","4","1") = "5"
    & skf21("5","2","6","4","5","3","5","1") = "5"
    & skf21("5","2","6","4","5","3","6","1") = "5"
    & skf21("5","2","6","4","5","3","7","1") = "6"
    & skf21("5","2","6","4","5","4","1","1") = "5"
    & skf21("5","2","6","4","5","4","2","1") = "5"
    & skf21("5","2","6","4","5","4","3","1") = "5"
    & skf21("5","2","6","4","5","4","4","1") = "5"
    & skf21("5","2","6","4","5","4","5","1") = "5"
    & skf21("5","2","6","4","5","4","6","1") = "5"
    & skf21("5","2","6","4","5","4","7","1") = "6"
    & skf21("5","2","6","4","5","5","1","1") = "5"
    & skf21("5","2","6","4","5","5","2","1") = "5"
    & skf21("5","2","6","4","5","5","3","1") = "5"
    & skf21("5","2","6","4","5","5","4","1") = "5"
    & skf21("5","2","6","4","5","5","5","1") = "5"
    & skf21("5","2","6","4","5","5","6","1") = "5"
    & skf21("5","2","6","4","5","5","7","1") = "6"
    & skf21("5","2","6","4","5","6","1","1") = "5"
    & skf21("5","2","6","4","5","6","2","1") = "5"
    & skf21("5","2","6","4","5","6","3","1") = "5"
    & skf21("5","2","6","4","5","6","4","1") = "5"
    & skf21("5","2","6","4","5","6","5","1") = "5"
    & skf21("5","2","6","4","5","6","6","1") = "5"
    & skf21("5","2","6","4","5","6","7","1") = "6"
    & skf21("5","2","6","4","5","7","1","1") = "6"
    & skf21("5","2","6","4","5","7","2","1") = "6"
    & skf21("5","2","6","4","5","7","3","1") = "6"
    & skf21("5","2","6","4","5","7","4","1") = "6"
    & skf21("5","2","6","4","5","7","5","1") = "6"
    & skf21("5","2","6","4","5","7","6","1") = "6"
    & skf21("5","2","6","4","5","7","7","1") = "6"
    & skf21("5","2","6","4","6","1","1","1") = "5"
    & skf21("5","2","6","4","6","1","2","1") = "5"
    & skf21("5","2","6","4","6","1","3","1") = "5"
    & skf21("5","2","6","4","6","1","4","1") = "5"
    & skf21("5","2","6","4","6","1","5","1") = "5"
    & skf21("5","2","6","4","6","1","6","1") = "5"
    & skf21("5","2","6","4","6","1","7","1") = "6"
    & skf21("5","2","6","4","6","2","1","1") = "5"
    & skf21("5","2","6","4","6","2","2","1") = "5"
    & skf21("5","2","6","4","6","2","3","1") = "5"
    & skf21("5","2","6","4","6","2","4","1") = "5"
    & skf21("5","2","6","4","6","2","5","1") = "5"
    & skf21("5","2","6","4","6","2","6","1") = "5"
    & skf21("5","2","6","4","6","2","7","1") = "6"
    & skf21("5","2","6","4","6","3","1","1") = "5"
    & skf21("5","2","6","4","6","3","2","1") = "5"
    & skf21("5","2","6","4","6","3","3","1") = "5"
    & skf21("5","2","6","4","6","3","4","1") = "5"
    & skf21("5","2","6","4","6","3","5","1") = "5"
    & skf21("5","2","6","4","6","3","6","1") = "5"
    & skf21("5","2","6","4","6","3","7","1") = "6"
    & skf21("5","2","6","4","6","4","1","1") = "5"
    & skf21("5","2","6","4","6","4","2","1") = "5"
    & skf21("5","2","6","4","6","4","3","1") = "5"
    & skf21("5","2","6","4","6","4","4","1") = "5"
    & skf21("5","2","6","4","6","4","5","1") = "5"
    & skf21("5","2","6","4","6","4","6","1") = "5"
    & skf21("5","2","6","4","6","4","7","1") = "6"
    & skf21("5","2","6","4","6","5","1","1") = "5"
    & skf21("5","2","6","4","6","5","2","1") = "5"
    & skf21("5","2","6","4","6","5","3","1") = "5"
    & skf21("5","2","6","4","6","5","4","1") = "5"
    & skf21("5","2","6","4","6","5","5","1") = "5"
    & skf21("5","2","6","4","6","5","6","1") = "5"
    & skf21("5","2","6","4","6","5","7","1") = "6"
    & skf21("5","2","6","4","6","6","1","1") = "5"
    & skf21("5","2","6","4","6","6","2","1") = "5"
    & skf21("5","2","6","4","6","6","3","1") = "5"
    & skf21("5","2","6","4","6","6","4","1") = "5"
    & skf21("5","2","6","4","6","6","5","1") = "5"
    & skf21("5","2","6","4","6","6","6","1") = "5"
    & skf21("5","2","6","4","6","6","7","1") = "6"
    & skf21("5","2","6","4","6","7","1","1") = "6"
    & skf21("5","2","6","4","6","7","2","1") = "6"
    & skf21("5","2","6","4","6","7","3","1") = "6"
    & skf21("5","2","6","4","6","7","4","1") = "6"
    & skf21("5","2","6","4","6","7","5","1") = "6"
    & skf21("5","2","6","4","6","7","6","1") = "6"
    & skf21("5","2","6","4","6","7","7","1") = "6"
    & skf21("5","2","6","4","7","1","1","1") = "6"
    & skf21("5","2","6","4","7","1","2","1") = "6"
    & skf21("5","2","6","4","7","1","3","1") = "6"
    & skf21("5","2","6","4","7","1","4","1") = "6"
    & skf21("5","2","6","4","7","1","5","1") = "6"
    & skf21("5","2","6","4","7","1","6","1") = "6"
    & skf21("5","2","6","4","7","1","7","1") = "6"
    & skf21("5","2","6","4","7","2","1","1") = "6"
    & skf21("5","2","6","4","7","2","2","1") = "6"
    & skf21("5","2","6","4","7","2","3","1") = "6"
    & skf21("5","2","6","4","7","2","4","1") = "6"
    & skf21("5","2","6","4","7","2","5","1") = "6"
    & skf21("5","2","6","4","7","2","6","1") = "6"
    & skf21("5","2","6","4","7","2","7","1") = "6"
    & skf21("5","2","6","4","7","3","1","1") = "6"
    & skf21("5","2","6","4","7","3","2","1") = "6"
    & skf21("5","2","6","4","7","3","3","1") = "6"
    & skf21("5","2","6","4","7","3","4","1") = "6"
    & skf21("5","2","6","4","7","3","5","1") = "6"
    & skf21("5","2","6","4","7","3","6","1") = "6"
    & skf21("5","2","6","4","7","3","7","1") = "6"
    & skf21("5","2","6","4","7","4","1","1") = "6"
    & skf21("5","2","6","4","7","4","2","1") = "6"
    & skf21("5","2","6","4","7","4","3","1") = "6"
    & skf21("5","2","6","4","7","4","4","1") = "6"
    & skf21("5","2","6","4","7","4","5","1") = "6"
    & skf21("5","2","6","4","7","4","6","1") = "6"
    & skf21("5","2","6","4","7","4","7","1") = "6"
    & skf21("5","2","6","4","7","5","1","1") = "6"
    & skf21("5","2","6","4","7","5","2","1") = "6"
    & skf21("5","2","6","4","7","5","3","1") = "6"
    & skf21("5","2","6","4","7","5","4","1") = "6"
    & skf21("5","2","6","4","7","5","5","1") = "6"
    & skf21("5","2","6","4","7","5","6","1") = "6"
    & skf21("5","2","6","4","7","5","7","1") = "6"
    & skf21("5","2","6","4","7","6","1","1") = "6"
    & skf21("5","2","6","4","7","6","2","1") = "6"
    & skf21("5","2","6","4","7","6","3","1") = "6"
    & skf21("5","2","6","4","7","6","4","1") = "6"
    & skf21("5","2","6","4","7","6","5","1") = "6"
    & skf21("5","2","6","4","7","6","6","1") = "6"
    & skf21("5","2","6","4","7","6","7","1") = "6"
    & skf21("5","2","6","4","7","7","1","1") = "6"
    & skf21("5","2","6","4","7","7","2","1") = "6"
    & skf21("5","2","6","4","7","7","3","1") = "6"
    & skf21("5","2","6","4","7","7","4","1") = "6"
    & skf21("5","2","6","4","7","7","5","1") = "6"
    & skf21("5","2","6","4","7","7","6","1") = "6"
    & skf21("5","2","6","4","7","7","7","1") = "6"
    & skf21("5","2","6","5","1","1","1","1") = "5"
    & skf21("5","2","6","5","1","1","2","1") = "5"
    & skf21("5","2","6","5","1","1","3","1") = "5"
    & skf21("5","2","6","5","1","1","4","1") = "5"
    & skf21("5","2","6","5","1","1","5","1") = "5"
    & skf21("5","2","6","5","1","1","6","1") = "5"
    & skf21("5","2","6","5","1","1","7","1") = "6"
    & skf21("5","2","6","5","1","2","1","1") = "5"
    & skf21("5","2","6","5","1","2","2","1") = "5"
    & skf21("5","2","6","5","1","2","3","1") = "5"
    & skf21("5","2","6","5","1","2","4","1") = "5"
    & skf21("5","2","6","5","1","2","5","1") = "5"
    & skf21("5","2","6","5","1","2","6","1") = "5"
    & skf21("5","2","6","5","1","2","7","1") = "6"
    & skf21("5","2","6","5","1","3","1","1") = "5"
    & skf21("5","2","6","5","1","3","2","1") = "5"
    & skf21("5","2","6","5","1","3","3","1") = "5"
    & skf21("5","2","6","5","1","3","4","1") = "5"
    & skf21("5","2","6","5","1","3","5","1") = "5"
    & skf21("5","2","6","5","1","3","6","1") = "5"
    & skf21("5","2","6","5","1","3","7","1") = "6"
    & skf21("5","2","6","5","1","4","1","1") = "5"
    & skf21("5","2","6","5","1","4","2","1") = "5"
    & skf21("5","2","6","5","1","4","3","1") = "5"
    & skf21("5","2","6","5","1","4","4","1") = "5"
    & skf21("5","2","6","5","1","4","5","1") = "5"
    & skf21("5","2","6","5","1","4","6","1") = "5"
    & skf21("5","2","6","5","1","4","7","1") = "6"
    & skf21("5","2","6","5","1","5","1","1") = "5"
    & skf21("5","2","6","5","1","5","2","1") = "5"
    & skf21("5","2","6","5","1","5","3","1") = "5"
    & skf21("5","2","6","5","1","5","4","1") = "5"
    & skf21("5","2","6","5","1","5","5","1") = "5"
    & skf21("5","2","6","5","1","5","6","1") = "5"
    & skf21("5","2","6","5","1","5","7","1") = "6"
    & skf21("5","2","6","5","1","6","1","1") = "5"
    & skf21("5","2","6","5","1","6","2","1") = "5"
    & skf21("5","2","6","5","1","6","3","1") = "5"
    & skf21("5","2","6","5","1","6","4","1") = "5"
    & skf21("5","2","6","5","1","6","5","1") = "5"
    & skf21("5","2","6","5","1","6","6","1") = "5"
    & skf21("5","2","6","5","1","6","7","1") = "6"
    & skf21("5","2","6","5","1","7","1","1") = "6"
    & skf21("5","2","6","5","1","7","2","1") = "6"
    & skf21("5","2","6","5","1","7","3","1") = "6"
    & skf21("5","2","6","5","1","7","4","1") = "6"
    & skf21("5","2","6","5","1","7","5","1") = "6"
    & skf21("5","2","6","5","1","7","6","1") = "6"
    & skf21("5","2","6","5","1","7","7","1") = "6"
    & skf21("5","2","6","5","2","1","1","1") = "5"
    & skf21("5","2","6","5","2","1","2","1") = "5"
    & skf21("5","2","6","5","2","1","3","1") = "5"
    & skf21("5","2","6","5","2","1","4","1") = "5"
    & skf21("5","2","6","5","2","1","5","1") = "5"
    & skf21("5","2","6","5","2","1","6","1") = "5"
    & skf21("5","2","6","5","2","1","7","1") = "6"
    & skf21("5","2","6","5","2","2","1","1") = "5"
    & skf21("5","2","6","5","2","2","2","1") = "5"
    & skf21("5","2","6","5","2","2","3","1") = "5"
    & skf21("5","2","6","5","2","2","4","1") = "5"
    & skf21("5","2","6","5","2","2","5","1") = "5"
    & skf21("5","2","6","5","2","2","6","1") = "5"
    & skf21("5","2","6","5","2","2","7","1") = "6"
    & skf21("5","2","6","5","2","3","1","1") = "5"
    & skf21("5","2","6","5","2","3","2","1") = "5"
    & skf21("5","2","6","5","2","3","3","1") = "5"
    & skf21("5","2","6","5","2","3","4","1") = "5"
    & skf21("5","2","6","5","2","3","5","1") = "5"
    & skf21("5","2","6","5","2","3","6","1") = "5"
    & skf21("5","2","6","5","2","3","7","1") = "6"
    & skf21("5","2","6","5","2","4","1","1") = "5"
    & skf21("5","2","6","5","2","4","2","1") = "5"
    & skf21("5","2","6","5","2","4","3","1") = "5"
    & skf21("5","2","6","5","2","4","4","1") = "5"
    & skf21("5","2","6","5","2","4","5","1") = "5"
    & skf21("5","2","6","5","2","4","6","1") = "5"
    & skf21("5","2","6","5","2","4","7","1") = "6"
    & skf21("5","2","6","5","2","5","1","1") = "5"
    & skf21("5","2","6","5","2","5","2","1") = "5"
    & skf21("5","2","6","5","2","5","3","1") = "5"
    & skf21("5","2","6","5","2","5","4","1") = "5"
    & skf21("5","2","6","5","2","5","5","1") = "5"
    & skf21("5","2","6","5","2","5","6","1") = "5"
    & skf21("5","2","6","5","2","5","7","1") = "6"
    & skf21("5","2","6","5","2","6","1","1") = "5"
    & skf21("5","2","6","5","2","6","2","1") = "5"
    & skf21("5","2","6","5","2","6","3","1") = "5"
    & skf21("5","2","6","5","2","6","4","1") = "5"
    & skf21("5","2","6","5","2","6","5","1") = "5"
    & skf21("5","2","6","5","2","6","6","1") = "5"
    & skf21("5","2","6","5","2","6","7","1") = "6"
    & skf21("5","2","6","5","2","7","1","1") = "6"
    & skf21("5","2","6","5","2","7","2","1") = "6"
    & skf21("5","2","6","5","2","7","3","1") = "6"
    & skf21("5","2","6","5","2","7","4","1") = "6"
    & skf21("5","2","6","5","2","7","5","1") = "6"
    & skf21("5","2","6","5","2","7","6","1") = "6"
    & skf21("5","2","6","5","2","7","7","1") = "6"
    & skf21("5","2","6","5","3","1","1","1") = "5"
    & skf21("5","2","6","5","3","1","2","1") = "5"
    & skf21("5","2","6","5","3","1","3","1") = "5"
    & skf21("5","2","6","5","3","1","4","1") = "5"
    & skf21("5","2","6","5","3","1","5","1") = "5"
    & skf21("5","2","6","5","3","1","6","1") = "5"
    & skf21("5","2","6","5","3","1","7","1") = "6"
    & skf21("5","2","6","5","3","2","1","1") = "5"
    & skf21("5","2","6","5","3","2","2","1") = "5"
    & skf21("5","2","6","5","3","2","3","1") = "5"
    & skf21("5","2","6","5","3","2","4","1") = "5"
    & skf21("5","2","6","5","3","2","5","1") = "5"
    & skf21("5","2","6","5","3","2","6","1") = "5"
    & skf21("5","2","6","5","3","2","7","1") = "6"
    & skf21("5","2","6","5","3","3","1","1") = "5"
    & skf21("5","2","6","5","3","3","2","1") = "5"
    & skf21("5","2","6","5","3","3","3","1") = "5"
    & skf21("5","2","6","5","3","3","4","1") = "5"
    & skf21("5","2","6","5","3","3","5","1") = "5"
    & skf21("5","2","6","5","3","3","6","1") = "5"
    & skf21("5","2","6","5","3","3","7","1") = "6"
    & skf21("5","2","6","5","3","4","1","1") = "5"
    & skf21("5","2","6","5","3","4","2","1") = "5"
    & skf21("5","2","6","5","3","4","3","1") = "5"
    & skf21("5","2","6","5","3","4","4","1") = "5"
    & skf21("5","2","6","5","3","4","5","1") = "5"
    & skf21("5","2","6","5","3","4","6","1") = "5"
    & skf21("5","2","6","5","3","4","7","1") = "6"
    & skf21("5","2","6","5","3","5","1","1") = "5"
    & skf21("5","2","6","5","3","5","2","1") = "5"
    & skf21("5","2","6","5","3","5","3","1") = "5"
    & skf21("5","2","6","5","3","5","4","1") = "5"
    & skf21("5","2","6","5","3","5","5","1") = "5"
    & skf21("5","2","6","5","3","5","6","1") = "5"
    & skf21("5","2","6","5","3","5","7","1") = "6"
    & skf21("5","2","6","5","3","6","1","1") = "5"
    & skf21("5","2","6","5","3","6","2","1") = "5"
    & skf21("5","2","6","5","3","6","3","1") = "5"
    & skf21("5","2","6","5","3","6","4","1") = "5"
    & skf21("5","2","6","5","3","6","5","1") = "5"
    & skf21("5","2","6","5","3","6","6","1") = "5"
    & skf21("5","2","6","5","3","6","7","1") = "6"
    & skf21("5","2","6","5","3","7","1","1") = "6"
    & skf21("5","2","6","5","3","7","2","1") = "6"
    & skf21("5","2","6","5","3","7","3","1") = "6"
    & skf21("5","2","6","5","3","7","4","1") = "6"
    & skf21("5","2","6","5","3","7","5","1") = "6"
    & skf21("5","2","6","5","3","7","6","1") = "6"
    & skf21("5","2","6","5","3","7","7","1") = "6"
    & skf21("5","2","6","5","4","1","1","1") = "5"
    & skf21("5","2","6","5","4","1","2","1") = "5"
    & skf21("5","2","6","5","4","1","3","1") = "5"
    & skf21("5","2","6","5","4","1","4","1") = "5"
    & skf21("5","2","6","5","4","1","5","1") = "5"
    & skf21("5","2","6","5","4","1","6","1") = "5"
    & skf21("5","2","6","5","4","1","7","1") = "6"
    & skf21("5","2","6","5","4","2","1","1") = "5"
    & skf21("5","2","6","5","4","2","2","1") = "5"
    & skf21("5","2","6","5","4","2","3","1") = "5"
    & skf21("5","2","6","5","4","2","4","1") = "5"
    & skf21("5","2","6","5","4","2","5","1") = "5"
    & skf21("5","2","6","5","4","2","6","1") = "5"
    & skf21("5","2","6","5","4","2","7","1") = "6"
    & skf21("5","2","6","5","4","3","1","1") = "5"
    & skf21("5","2","6","5","4","3","2","1") = "5"
    & skf21("5","2","6","5","4","3","3","1") = "5"
    & skf21("5","2","6","5","4","3","4","1") = "5"
    & skf21("5","2","6","5","4","3","5","1") = "5"
    & skf21("5","2","6","5","4","3","6","1") = "5"
    & skf21("5","2","6","5","4","3","7","1") = "6"
    & skf21("5","2","6","5","4","4","1","1") = "5"
    & skf21("5","2","6","5","4","4","2","1") = "5"
    & skf21("5","2","6","5","4","4","3","1") = "5"
    & skf21("5","2","6","5","4","4","4","1") = "5"
    & skf21("5","2","6","5","4","4","5","1") = "5"
    & skf21("5","2","6","5","4","4","6","1") = "5"
    & skf21("5","2","6","5","4","4","7","1") = "6"
    & skf21("5","2","6","5","4","5","1","1") = "5"
    & skf21("5","2","6","5","4","5","2","1") = "5"
    & skf21("5","2","6","5","4","5","3","1") = "5"
    & skf21("5","2","6","5","4","5","4","1") = "5"
    & skf21("5","2","6","5","4","5","5","1") = "5"
    & skf21("5","2","6","5","4","5","6","1") = "5"
    & skf21("5","2","6","5","4","5","7","1") = "6"
    & skf21("5","2","6","5","4","6","1","1") = "5"
    & skf21("5","2","6","5","4","6","2","1") = "5"
    & skf21("5","2","6","5","4","6","3","1") = "5"
    & skf21("5","2","6","5","4","6","4","1") = "5"
    & skf21("5","2","6","5","4","6","5","1") = "5"
    & skf21("5","2","6","5","4","6","6","1") = "5"
    & skf21("5","2","6","5","4","6","7","1") = "6"
    & skf21("5","2","6","5","4","7","1","1") = "6"
    & skf21("5","2","6","5","4","7","2","1") = "6"
    & skf21("5","2","6","5","4","7","3","1") = "6"
    & skf21("5","2","6","5","4","7","4","1") = "6"
    & skf21("5","2","6","5","4","7","5","1") = "6"
    & skf21("5","2","6","5","4","7","6","1") = "6"
    & skf21("5","2","6","5","4","7","7","1") = "6"
    & skf21("5","2","6","5","5","1","1","1") = "5"
    & skf21("5","2","6","5","5","1","2","1") = "5"
    & skf21("5","2","6","5","5","1","3","1") = "5"
    & skf21("5","2","6","5","5","1","4","1") = "5"
    & skf21("5","2","6","5","5","1","5","1") = "5"
    & skf21("5","2","6","5","5","1","6","1") = "5"
    & skf21("5","2","6","5","5","1","7","1") = "6"
    & skf21("5","2","6","5","5","2","1","1") = "5"
    & skf21("5","2","6","5","5","2","2","1") = "5"
    & skf21("5","2","6","5","5","2","3","1") = "5"
    & skf21("5","2","6","5","5","2","4","1") = "5"
    & skf21("5","2","6","5","5","2","5","1") = "5"
    & skf21("5","2","6","5","5","2","6","1") = "5"
    & skf21("5","2","6","5","5","2","7","1") = "6"
    & skf21("5","2","6","5","5","3","1","1") = "5"
    & skf21("5","2","6","5","5","3","2","1") = "5"
    & skf21("5","2","6","5","5","3","3","1") = "5"
    & skf21("5","2","6","5","5","3","4","1") = "5"
    & skf21("5","2","6","5","5","3","5","1") = "5"
    & skf21("5","2","6","5","5","3","6","1") = "5"
    & skf21("5","2","6","5","5","3","7","1") = "6"
    & skf21("5","2","6","5","5","4","1","1") = "5"
    & skf21("5","2","6","5","5","4","2","1") = "5"
    & skf21("5","2","6","5","5","4","3","1") = "5"
    & skf21("5","2","6","5","5","4","4","1") = "5"
    & skf21("5","2","6","5","5","4","5","1") = "5"
    & skf21("5","2","6","5","5","4","6","1") = "5"
    & skf21("5","2","6","5","5","4","7","1") = "6"
    & skf21("5","2","6","5","5","5","1","1") = "5"
    & skf21("5","2","6","5","5","5","2","1") = "5"
    & skf21("5","2","6","5","5","5","3","1") = "5"
    & skf21("5","2","6","5","5","5","4","1") = "5"
    & skf21("5","2","6","5","5","5","5","1") = "5"
    & skf21("5","2","6","5","5","5","6","1") = "5"
    & skf21("5","2","6","5","5","5","7","1") = "6"
    & skf21("5","2","6","5","5","6","1","1") = "5"
    & skf21("5","2","6","5","5","6","2","1") = "5"
    & skf21("5","2","6","5","5","6","3","1") = "5"
    & skf21("5","2","6","5","5","6","4","1") = "5"
    & skf21("5","2","6","5","5","6","5","1") = "5"
    & skf21("5","2","6","5","5","6","6","1") = "5"
    & skf21("5","2","6","5","5","6","7","1") = "6"
    & skf21("5","2","6","5","5","7","1","1") = "6"
    & skf21("5","2","6","5","5","7","2","1") = "6"
    & skf21("5","2","6","5","5","7","3","1") = "6"
    & skf21("5","2","6","5","5","7","4","1") = "6"
    & skf21("5","2","6","5","5","7","5","1") = "6"
    & skf21("5","2","6","5","5","7","6","1") = "6"
    & skf21("5","2","6","5","5","7","7","1") = "6"
    & skf21("5","2","6","5","6","1","1","1") = "5"
    & skf21("5","2","6","5","6","1","2","1") = "5"
    & skf21("5","2","6","5","6","1","3","1") = "5"
    & skf21("5","2","6","5","6","1","4","1") = "5"
    & skf21("5","2","6","5","6","1","5","1") = "5"
    & skf21("5","2","6","5","6","1","6","1") = "5"
    & skf21("5","2","6","5","6","1","7","1") = "6"
    & skf21("5","2","6","5","6","2","1","1") = "5"
    & skf21("5","2","6","5","6","2","2","1") = "5"
    & skf21("5","2","6","5","6","2","3","1") = "5"
    & skf21("5","2","6","5","6","2","4","1") = "5"
    & skf21("5","2","6","5","6","2","5","1") = "5"
    & skf21("5","2","6","5","6","2","6","1") = "5"
    & skf21("5","2","6","5","6","2","7","1") = "6"
    & skf21("5","2","6","5","6","3","1","1") = "5"
    & skf21("5","2","6","5","6","3","2","1") = "5"
    & skf21("5","2","6","5","6","3","3","1") = "5"
    & skf21("5","2","6","5","6","3","4","1") = "5"
    & skf21("5","2","6","5","6","3","5","1") = "5"
    & skf21("5","2","6","5","6","3","6","1") = "5"
    & skf21("5","2","6","5","6","3","7","1") = "6"
    & skf21("5","2","6","5","6","4","1","1") = "5"
    & skf21("5","2","6","5","6","4","2","1") = "5"
    & skf21("5","2","6","5","6","4","3","1") = "5"
    & skf21("5","2","6","5","6","4","4","1") = "5"
    & skf21("5","2","6","5","6","4","5","1") = "5"
    & skf21("5","2","6","5","6","4","6","1") = "5"
    & skf21("5","2","6","5","6","4","7","1") = "6"
    & skf21("5","2","6","5","6","5","1","1") = "5"
    & skf21("5","2","6","5","6","5","2","1") = "5"
    & skf21("5","2","6","5","6","5","3","1") = "5"
    & skf21("5","2","6","5","6","5","4","1") = "5"
    & skf21("5","2","6","5","6","5","5","1") = "5"
    & skf21("5","2","6","5","6","5","6","1") = "5"
    & skf21("5","2","6","5","6","5","7","1") = "6"
    & skf21("5","2","6","5","6","6","1","1") = "5"
    & skf21("5","2","6","5","6","6","2","1") = "5"
    & skf21("5","2","6","5","6","6","3","1") = "5"
    & skf21("5","2","6","5","6","6","4","1") = "5"
    & skf21("5","2","6","5","6","6","5","1") = "5"
    & skf21("5","2","6","5","6","6","6","1") = "5"
    & skf21("5","2","6","5","6","6","7","1") = "6"
    & skf21("5","2","6","5","6","7","1","1") = "6"
    & skf21("5","2","6","5","6","7","2","1") = "6"
    & skf21("5","2","6","5","6","7","3","1") = "6"
    & skf21("5","2","6","5","6","7","4","1") = "6"
    & skf21("5","2","6","5","6","7","5","1") = "6"
    & skf21("5","2","6","5","6","7","6","1") = "6"
    & skf21("5","2","6","5","6","7","7","1") = "6"
    & skf21("5","2","6","5","7","1","1","1") = "6"
    & skf21("5","2","6","5","7","1","2","1") = "6"
    & skf21("5","2","6","5","7","1","3","1") = "6"
    & skf21("5","2","6","5","7","1","4","1") = "6"
    & skf21("5","2","6","5","7","1","5","1") = "6"
    & skf21("5","2","6","5","7","1","6","1") = "6"
    & skf21("5","2","6","5","7","1","7","1") = "6"
    & skf21("5","2","6","5","7","2","1","1") = "6"
    & skf21("5","2","6","5","7","2","2","1") = "6"
    & skf21("5","2","6","5","7","2","3","1") = "6"
    & skf21("5","2","6","5","7","2","4","1") = "6"
    & skf21("5","2","6","5","7","2","5","1") = "6"
    & skf21("5","2","6","5","7","2","6","1") = "6"
    & skf21("5","2","6","5","7","2","7","1") = "6"
    & skf21("5","2","6","5","7","3","1","1") = "6"
    & skf21("5","2","6","5","7","3","2","1") = "6"
    & skf21("5","2","6","5","7","3","3","1") = "6"
    & skf21("5","2","6","5","7","3","4","1") = "6"
    & skf21("5","2","6","5","7","3","5","1") = "6"
    & skf21("5","2","6","5","7","3","6","1") = "6"
    & skf21("5","2","6","5","7","3","7","1") = "6"
    & skf21("5","2","6","5","7","4","1","1") = "6"
    & skf21("5","2","6","5","7","4","2","1") = "6"
    & skf21("5","2","6","5","7","4","3","1") = "6"
    & skf21("5","2","6","5","7","4","4","1") = "6"
    & skf21("5","2","6","5","7","4","5","1") = "6"
    & skf21("5","2","6","5","7","4","6","1") = "6"
    & skf21("5","2","6","5","7","4","7","1") = "6"
    & skf21("5","2","6","5","7","5","1","1") = "6"
    & skf21("5","2","6","5","7","5","2","1") = "6"
    & skf21("5","2","6","5","7","5","3","1") = "6"
    & skf21("5","2","6","5","7","5","4","1") = "6"
    & skf21("5","2","6","5","7","5","5","1") = "6"
    & skf21("5","2","6","5","7","5","6","1") = "6"
    & skf21("5","2","6","5","7","5","7","1") = "6"
    & skf21("5","2","6","5","7","6","1","1") = "6"
    & skf21("5","2","6","5","7","6","2","1") = "6"
    & skf21("5","2","6","5","7","6","3","1") = "6"
    & skf21("5","2","6","5","7","6","4","1") = "6"
    & skf21("5","2","6","5","7","6","5","1") = "6"
    & skf21("5","2","6","5","7","6","6","1") = "6"
    & skf21("5","2","6","5","7","6","7","1") = "6"
    & skf21("5","2","6","5","7","7","1","1") = "6"
    & skf21("5","2","6","5","7","7","2","1") = "6"
    & skf21("5","2","6","5","7","7","3","1") = "6"
    & skf21("5","2","6","5","7","7","4","1") = "6"
    & skf21("5","2","6","5","7","7","5","1") = "6"
    & skf21("5","2","6","5","7","7","6","1") = "6"
    & skf21("5","2","6","5","7","7","7","1") = "6"
    & skf21("5","2","6","6","1","1","1","1") = "5"
    & skf21("5","2","6","6","1","1","2","1") = "5"
    & skf21("5","2","6","6","1","1","3","1") = "5"
    & skf21("5","2","6","6","1","1","4","1") = "5"
    & skf21("5","2","6","6","1","1","5","1") = "5"
    & skf21("5","2","6","6","1","1","6","1") = "5"
    & skf21("5","2","6","6","1","1","7","1") = "6"
    & skf21("5","2","6","6","1","2","1","1") = "5"
    & skf21("5","2","6","6","1","2","2","1") = "5"
    & skf21("5","2","6","6","1","2","3","1") = "5"
    & skf21("5","2","6","6","1","2","4","1") = "5"
    & skf21("5","2","6","6","1","2","5","1") = "5"
    & skf21("5","2","6","6","1","2","6","1") = "5"
    & skf21("5","2","6","6","1","2","7","1") = "6"
    & skf21("5","2","6","6","1","3","1","1") = "5"
    & skf21("5","2","6","6","1","3","2","1") = "5"
    & skf21("5","2","6","6","1","3","3","1") = "5"
    & skf21("5","2","6","6","1","3","4","1") = "5"
    & skf21("5","2","6","6","1","3","5","1") = "5"
    & skf21("5","2","6","6","1","3","6","1") = "5"
    & skf21("5","2","6","6","1","3","7","1") = "6"
    & skf21("5","2","6","6","1","4","1","1") = "5"
    & skf21("5","2","6","6","1","4","2","1") = "5"
    & skf21("5","2","6","6","1","4","3","1") = "5"
    & skf21("5","2","6","6","1","4","4","1") = "5"
    & skf21("5","2","6","6","1","4","5","1") = "5"
    & skf21("5","2","6","6","1","4","6","1") = "5"
    & skf21("5","2","6","6","1","4","7","1") = "6"
    & skf21("5","2","6","6","1","5","1","1") = "5"
    & skf21("5","2","6","6","1","5","2","1") = "5"
    & skf21("5","2","6","6","1","5","3","1") = "5"
    & skf21("5","2","6","6","1","5","4","1") = "5"
    & skf21("5","2","6","6","1","5","5","1") = "5"
    & skf21("5","2","6","6","1","5","6","1") = "5"
    & skf21("5","2","6","6","1","5","7","1") = "6"
    & skf21("5","2","6","6","1","6","1","1") = "5"
    & skf21("5","2","6","6","1","6","2","1") = "5"
    & skf21("5","2","6","6","1","6","3","1") = "5"
    & skf21("5","2","6","6","1","6","4","1") = "5"
    & skf21("5","2","6","6","1","6","5","1") = "5"
    & skf21("5","2","6","6","1","6","6","1") = "5"
    & skf21("5","2","6","6","1","6","7","1") = "6"
    & skf21("5","2","6","6","1","7","1","1") = "6"
    & skf21("5","2","6","6","1","7","2","1") = "6"
    & skf21("5","2","6","6","1","7","3","1") = "6"
    & skf21("5","2","6","6","1","7","4","1") = "6"
    & skf21("5","2","6","6","1","7","5","1") = "6"
    & skf21("5","2","6","6","1","7","6","1") = "6"
    & skf21("5","2","6","6","1","7","7","1") = "6"
    & skf21("5","2","6","6","2","1","1","1") = "5"
    & skf21("5","2","6","6","2","1","2","1") = "5"
    & skf21("5","2","6","6","2","1","3","1") = "5"
    & skf21("5","2","6","6","2","1","4","1") = "5"
    & skf21("5","2","6","6","2","1","5","1") = "5"
    & skf21("5","2","6","6","2","1","6","1") = "5"
    & skf21("5","2","6","6","2","1","7","1") = "6"
    & skf21("5","2","6","6","2","2","1","1") = "5"
    & skf21("5","2","6","6","2","2","2","1") = "5"
    & skf21("5","2","6","6","2","2","3","1") = "5"
    & skf21("5","2","6","6","2","2","4","1") = "5"
    & skf21("5","2","6","6","2","2","5","1") = "5"
    & skf21("5","2","6","6","2","2","6","1") = "5"
    & skf21("5","2","6","6","2","2","7","1") = "6"
    & skf21("5","2","6","6","2","3","1","1") = "5"
    & skf21("5","2","6","6","2","3","2","1") = "5"
    & skf21("5","2","6","6","2","3","3","1") = "5"
    & skf21("5","2","6","6","2","3","4","1") = "5"
    & skf21("5","2","6","6","2","3","5","1") = "5"
    & skf21("5","2","6","6","2","3","6","1") = "5"
    & skf21("5","2","6","6","2","3","7","1") = "6"
    & skf21("5","2","6","6","2","4","1","1") = "5"
    & skf21("5","2","6","6","2","4","2","1") = "5"
    & skf21("5","2","6","6","2","4","3","1") = "5"
    & skf21("5","2","6","6","2","4","4","1") = "5"
    & skf21("5","2","6","6","2","4","5","1") = "5"
    & skf21("5","2","6","6","2","4","6","1") = "5"
    & skf21("5","2","6","6","2","4","7","1") = "6"
    & skf21("5","2","6","6","2","5","1","1") = "5"
    & skf21("5","2","6","6","2","5","2","1") = "5"
    & skf21("5","2","6","6","2","5","3","1") = "5"
    & skf21("5","2","6","6","2","5","4","1") = "5"
    & skf21("5","2","6","6","2","5","5","1") = "5"
    & skf21("5","2","6","6","2","5","6","1") = "5"
    & skf21("5","2","6","6","2","5","7","1") = "6"
    & skf21("5","2","6","6","2","6","1","1") = "5"
    & skf21("5","2","6","6","2","6","2","1") = "5"
    & skf21("5","2","6","6","2","6","3","1") = "5"
    & skf21("5","2","6","6","2","6","4","1") = "5"
    & skf21("5","2","6","6","2","6","5","1") = "5"
    & skf21("5","2","6","6","2","6","6","1") = "5"
    & skf21("5","2","6","6","2","6","7","1") = "6"
    & skf21("5","2","6","6","2","7","1","1") = "6"
    & skf21("5","2","6","6","2","7","2","1") = "6"
    & skf21("5","2","6","6","2","7","3","1") = "6"
    & skf21("5","2","6","6","2","7","4","1") = "6"
    & skf21("5","2","6","6","2","7","5","1") = "6"
    & skf21("5","2","6","6","2","7","6","1") = "6"
    & skf21("5","2","6","6","2","7","7","1") = "6"
    & skf21("5","2","6","6","3","1","1","1") = "5"
    & skf21("5","2","6","6","3","1","2","1") = "5"
    & skf21("5","2","6","6","3","1","3","1") = "5"
    & skf21("5","2","6","6","3","1","4","1") = "5"
    & skf21("5","2","6","6","3","1","5","1") = "5"
    & skf21("5","2","6","6","3","1","6","1") = "5"
    & skf21("5","2","6","6","3","1","7","1") = "6"
    & skf21("5","2","6","6","3","2","1","1") = "5"
    & skf21("5","2","6","6","3","2","2","1") = "5"
    & skf21("5","2","6","6","3","2","3","1") = "5"
    & skf21("5","2","6","6","3","2","4","1") = "5"
    & skf21("5","2","6","6","3","2","5","1") = "5"
    & skf21("5","2","6","6","3","2","6","1") = "5"
    & skf21("5","2","6","6","3","2","7","1") = "6"
    & skf21("5","2","6","6","3","3","1","1") = "5"
    & skf21("5","2","6","6","3","3","2","1") = "5"
    & skf21("5","2","6","6","3","3","3","1") = "5"
    & skf21("5","2","6","6","3","3","4","1") = "5"
    & skf21("5","2","6","6","3","3","5","1") = "5"
    & skf21("5","2","6","6","3","3","6","1") = "5"
    & skf21("5","2","6","6","3","3","7","1") = "6"
    & skf21("5","2","6","6","3","4","1","1") = "5"
    & skf21("5","2","6","6","3","4","2","1") = "5"
    & skf21("5","2","6","6","3","4","3","1") = "5"
    & skf21("5","2","6","6","3","4","4","1") = "5"
    & skf21("5","2","6","6","3","4","5","1") = "5"
    & skf21("5","2","6","6","3","4","6","1") = "5"
    & skf21("5","2","6","6","3","4","7","1") = "6"
    & skf21("5","2","6","6","3","5","1","1") = "5"
    & skf21("5","2","6","6","3","5","2","1") = "5"
    & skf21("5","2","6","6","3","5","3","1") = "5"
    & skf21("5","2","6","6","3","5","4","1") = "5"
    & skf21("5","2","6","6","3","5","5","1") = "5"
    & skf21("5","2","6","6","3","5","6","1") = "5"
    & skf21("5","2","6","6","3","5","7","1") = "6"
    & skf21("5","2","6","6","3","6","1","1") = "5"
    & skf21("5","2","6","6","3","6","2","1") = "5"
    & skf21("5","2","6","6","3","6","3","1") = "5"
    & skf21("5","2","6","6","3","6","4","1") = "5"
    & skf21("5","2","6","6","3","6","5","1") = "5"
    & skf21("5","2","6","6","3","6","6","1") = "5"
    & skf21("5","2","6","6","3","6","7","1") = "6"
    & skf21("5","2","6","6","3","7","1","1") = "6"
    & skf21("5","2","6","6","3","7","2","1") = "6"
    & skf21("5","2","6","6","3","7","3","1") = "6"
    & skf21("5","2","6","6","3","7","4","1") = "6"
    & skf21("5","2","6","6","3","7","5","1") = "6"
    & skf21("5","2","6","6","3","7","6","1") = "6"
    & skf21("5","2","6","6","3","7","7","1") = "6"
    & skf21("5","2","6","6","4","1","1","1") = "5"
    & skf21("5","2","6","6","4","1","2","1") = "5"
    & skf21("5","2","6","6","4","1","3","1") = "5"
    & skf21("5","2","6","6","4","1","4","1") = "5"
    & skf21("5","2","6","6","4","1","5","1") = "5"
    & skf21("5","2","6","6","4","1","6","1") = "5"
    & skf21("5","2","6","6","4","1","7","1") = "6"
    & skf21("5","2","6","6","4","2","1","1") = "5"
    & skf21("5","2","6","6","4","2","2","1") = "5"
    & skf21("5","2","6","6","4","2","3","1") = "5"
    & skf21("5","2","6","6","4","2","4","1") = "5"
    & skf21("5","2","6","6","4","2","5","1") = "5"
    & skf21("5","2","6","6","4","2","6","1") = "5"
    & skf21("5","2","6","6","4","2","7","1") = "6"
    & skf21("5","2","6","6","4","3","1","1") = "5"
    & skf21("5","2","6","6","4","3","2","1") = "5"
    & skf21("5","2","6","6","4","3","3","1") = "5"
    & skf21("5","2","6","6","4","3","4","1") = "5"
    & skf21("5","2","6","6","4","3","5","1") = "5"
    & skf21("5","2","6","6","4","3","6","1") = "5"
    & skf21("5","2","6","6","4","3","7","1") = "6"
    & skf21("5","2","6","6","4","4","1","1") = "5"
    & skf21("5","2","6","6","4","4","2","1") = "5"
    & skf21("5","2","6","6","4","4","3","1") = "5"
    & skf21("5","2","6","6","4","4","4","1") = "5"
    & skf21("5","2","6","6","4","4","5","1") = "5"
    & skf21("5","2","6","6","4","4","6","1") = "5"
    & skf21("5","2","6","6","4","4","7","1") = "6"
    & skf21("5","2","6","6","4","5","1","1") = "5"
    & skf21("5","2","6","6","4","5","2","1") = "5"
    & skf21("5","2","6","6","4","5","3","1") = "5"
    & skf21("5","2","6","6","4","5","4","1") = "5"
    & skf21("5","2","6","6","4","5","5","1") = "5"
    & skf21("5","2","6","6","4","5","6","1") = "5"
    & skf21("5","2","6","6","4","5","7","1") = "6"
    & skf21("5","2","6","6","4","6","1","1") = "5"
    & skf21("5","2","6","6","4","6","2","1") = "5"
    & skf21("5","2","6","6","4","6","3","1") = "5"
    & skf21("5","2","6","6","4","6","4","1") = "5"
    & skf21("5","2","6","6","4","6","5","1") = "5"
    & skf21("5","2","6","6","4","6","6","1") = "5"
    & skf21("5","2","6","6","4","6","7","1") = "6"
    & skf21("5","2","6","6","4","7","1","1") = "6"
    & skf21("5","2","6","6","4","7","2","1") = "6"
    & skf21("5","2","6","6","4","7","3","1") = "6"
    & skf21("5","2","6","6","4","7","4","1") = "6"
    & skf21("5","2","6","6","4","7","5","1") = "6"
    & skf21("5","2","6","6","4","7","6","1") = "6"
    & skf21("5","2","6","6","4","7","7","1") = "6"
    & skf21("5","2","6","6","5","1","1","1") = "5"
    & skf21("5","2","6","6","5","1","2","1") = "5"
    & skf21("5","2","6","6","5","1","3","1") = "5"
    & skf21("5","2","6","6","5","1","4","1") = "5"
    & skf21("5","2","6","6","5","1","5","1") = "5"
    & skf21("5","2","6","6","5","1","6","1") = "5"
    & skf21("5","2","6","6","5","1","7","1") = "6"
    & skf21("5","2","6","6","5","2","1","1") = "5"
    & skf21("5","2","6","6","5","2","2","1") = "5"
    & skf21("5","2","6","6","5","2","3","1") = "5"
    & skf21("5","2","6","6","5","2","4","1") = "5"
    & skf21("5","2","6","6","5","2","5","1") = "5"
    & skf21("5","2","6","6","5","2","6","1") = "5"
    & skf21("5","2","6","6","5","2","7","1") = "6"
    & skf21("5","2","6","6","5","3","1","1") = "5"
    & skf21("5","2","6","6","5","3","2","1") = "5"
    & skf21("5","2","6","6","5","3","3","1") = "5"
    & skf21("5","2","6","6","5","3","4","1") = "5"
    & skf21("5","2","6","6","5","3","5","1") = "5"
    & skf21("5","2","6","6","5","3","6","1") = "5"
    & skf21("5","2","6","6","5","3","7","1") = "6"
    & skf21("5","2","6","6","5","4","1","1") = "5"
    & skf21("5","2","6","6","5","4","2","1") = "5"
    & skf21("5","2","6","6","5","4","3","1") = "5"
    & skf21("5","2","6","6","5","4","4","1") = "5"
    & skf21("5","2","6","6","5","4","5","1") = "5"
    & skf21("5","2","6","6","5","4","6","1") = "5"
    & skf21("5","2","6","6","5","4","7","1") = "6"
    & skf21("5","2","6","6","5","5","1","1") = "5"
    & skf21("5","2","6","6","5","5","2","1") = "5"
    & skf21("5","2","6","6","5","5","3","1") = "5"
    & skf21("5","2","6","6","5","5","4","1") = "5"
    & skf21("5","2","6","6","5","5","5","1") = "5"
    & skf21("5","2","6","6","5","5","6","1") = "5"
    & skf21("5","2","6","6","5","5","7","1") = "6"
    & skf21("5","2","6","6","5","6","1","1") = "5"
    & skf21("5","2","6","6","5","6","2","1") = "5"
    & skf21("5","2","6","6","5","6","3","1") = "5"
    & skf21("5","2","6","6","5","6","4","1") = "5"
    & skf21("5","2","6","6","5","6","5","1") = "5"
    & skf21("5","2","6","6","5","6","6","1") = "5"
    & skf21("5","2","6","6","5","6","7","1") = "6"
    & skf21("5","2","6","6","5","7","1","1") = "6"
    & skf21("5","2","6","6","5","7","2","1") = "6"
    & skf21("5","2","6","6","5","7","3","1") = "6"
    & skf21("5","2","6","6","5","7","4","1") = "6"
    & skf21("5","2","6","6","5","7","5","1") = "6"
    & skf21("5","2","6","6","5","7","6","1") = "6"
    & skf21("5","2","6","6","5","7","7","1") = "6"
    & skf21("5","2","6","6","6","1","1","1") = "5"
    & skf21("5","2","6","6","6","1","2","1") = "5"
    & skf21("5","2","6","6","6","1","3","1") = "5"
    & skf21("5","2","6","6","6","1","4","1") = "5"
    & skf21("5","2","6","6","6","1","5","1") = "5"
    & skf21("5","2","6","6","6","1","6","1") = "5"
    & skf21("5","2","6","6","6","1","7","1") = "6"
    & skf21("5","2","6","6","6","2","1","1") = "5"
    & skf21("5","2","6","6","6","2","2","1") = "5"
    & skf21("5","2","6","6","6","2","3","1") = "5"
    & skf21("5","2","6","6","6","2","4","1") = "5"
    & skf21("5","2","6","6","6","2","5","1") = "5"
    & skf21("5","2","6","6","6","2","6","1") = "5"
    & skf21("5","2","6","6","6","2","7","1") = "6"
    & skf21("5","2","6","6","6","3","1","1") = "5"
    & skf21("5","2","6","6","6","3","2","1") = "5"
    & skf21("5","2","6","6","6","3","3","1") = "5"
    & skf21("5","2","6","6","6","3","4","1") = "5"
    & skf21("5","2","6","6","6","3","5","1") = "5"
    & skf21("5","2","6","6","6","3","6","1") = "5"
    & skf21("5","2","6","6","6","3","7","1") = "6"
    & skf21("5","2","6","6","6","4","1","1") = "5"
    & skf21("5","2","6","6","6","4","2","1") = "5"
    & skf21("5","2","6","6","6","4","3","1") = "5"
    & skf21("5","2","6","6","6","4","4","1") = "5"
    & skf21("5","2","6","6","6","4","5","1") = "5"
    & skf21("5","2","6","6","6","4","6","1") = "5"
    & skf21("5","2","6","6","6","4","7","1") = "6"
    & skf21("5","2","6","6","6","5","1","1") = "5"
    & skf21("5","2","6","6","6","5","2","1") = "5"
    & skf21("5","2","6","6","6","5","3","1") = "5"
    & skf21("5","2","6","6","6","5","4","1") = "5"
    & skf21("5","2","6","6","6","5","5","1") = "5"
    & skf21("5","2","6","6","6","5","6","1") = "5"
    & skf21("5","2","6","6","6","5","7","1") = "6"
    & skf21("5","2","6","6","6","6","1","1") = "5"
    & skf21("5","2","6","6","6","6","2","1") = "5"
    & skf21("5","2","6","6","6","6","3","1") = "5"
    & skf21("5","2","6","6","6","6","4","1") = "5"
    & skf21("5","2","6","6","6","6","5","1") = "5"
    & skf21("5","2","6","6","6","6","6","1") = "5"
    & skf21("5","2","6","6","6","6","7","1") = "6"
    & skf21("5","2","6","6","6","7","1","1") = "6"
    & skf21("5","2","6","6","6","7","2","1") = "6"
    & skf21("5","2","6","6","6","7","3","1") = "6"
    & skf21("5","2","6","6","6","7","4","1") = "6"
    & skf21("5","2","6","6","6","7","5","1") = "6"
    & skf21("5","2","6","6","6","7","6","1") = "6"
    & skf21("5","2","6","6","6","7","7","1") = "6"
    & skf21("5","2","6","6","7","1","1","1") = "6"
    & skf21("5","2","6","6","7","1","2","1") = "6"
    & skf21("5","2","6","6","7","1","3","1") = "6"
    & skf21("5","2","6","6","7","1","4","1") = "6"
    & skf21("5","2","6","6","7","1","5","1") = "6"
    & skf21("5","2","6","6","7","1","6","1") = "6"
    & skf21("5","2","6","6","7","1","7","1") = "6"
    & skf21("5","2","6","6","7","2","1","1") = "6"
    & skf21("5","2","6","6","7","2","2","1") = "6"
    & skf21("5","2","6","6","7","2","3","1") = "6"
    & skf21("5","2","6","6","7","2","4","1") = "6"
    & skf21("5","2","6","6","7","2","5","1") = "6"
    & skf21("5","2","6","6","7","2","6","1") = "6"
    & skf21("5","2","6","6","7","2","7","1") = "6"
    & skf21("5","2","6","6","7","3","1","1") = "6"
    & skf21("5","2","6","6","7","3","2","1") = "6"
    & skf21("5","2","6","6","7","3","3","1") = "6"
    & skf21("5","2","6","6","7","3","4","1") = "6"
    & skf21("5","2","6","6","7","3","5","1") = "6"
    & skf21("5","2","6","6","7","3","6","1") = "6"
    & skf21("5","2","6","6","7","3","7","1") = "6"
    & skf21("5","2","6","6","7","4","1","1") = "6"
    & skf21("5","2","6","6","7","4","2","1") = "6"
    & skf21("5","2","6","6","7","4","3","1") = "6"
    & skf21("5","2","6","6","7","4","4","1") = "6"
    & skf21("5","2","6","6","7","4","5","1") = "6"
    & skf21("5","2","6","6","7","4","6","1") = "6"
    & skf21("5","2","6","6","7","4","7","1") = "6"
    & skf21("5","2","6","6","7","5","1","1") = "6"
    & skf21("5","2","6","6","7","5","2","1") = "6"
    & skf21("5","2","6","6","7","5","3","1") = "6"
    & skf21("5","2","6","6","7","5","4","1") = "6"
    & skf21("5","2","6","6","7","5","5","1") = "6"
    & skf21("5","2","6","6","7","5","6","1") = "6"
    & skf21("5","2","6","6","7","5","7","1") = "6"
    & skf21("5","2","6","6","7","6","1","1") = "6"
    & skf21("5","2","6","6","7","6","2","1") = "6"
    & skf21("5","2","6","6","7","6","3","1") = "6"
    & skf21("5","2","6","6","7","6","4","1") = "6"
    & skf21("5","2","6","6","7","6","5","1") = "6"
    & skf21("5","2","6","6","7","6","6","1") = "6"
    & skf21("5","2","6","6","7","6","7","1") = "6"
    & skf21("5","2","6","6","7","7","1","1") = "6"
    & skf21("5","2","6","6","7","7","2","1") = "6"
    & skf21("5","2","6","6","7","7","3","1") = "6"
    & skf21("5","2","6","6","7","7","4","1") = "6"
    & skf21("5","2","6","6","7","7","5","1") = "6"
    & skf21("5","2","6","6","7","7","6","1") = "6"
    & skf21("5","2","6","6","7","7","7","1") = "6"
    & skf21("5","2","6","7","1","1","1","1") = "6"
    & skf21("5","2","6","7","1","1","2","1") = "6"
    & skf21("5","2","6","7","1","1","3","1") = "6"
    & skf21("5","2","6","7","1","1","4","1") = "6"
    & skf21("5","2","6","7","1","1","5","1") = "6"
    & skf21("5","2","6","7","1","1","6","1") = "6"
    & skf21("5","2","6","7","1","1","7","1") = "6"
    & skf21("5","2","6","7","1","2","1","1") = "6"
    & skf21("5","2","6","7","1","2","2","1") = "6"
    & skf21("5","2","6","7","1","2","3","1") = "6"
    & skf21("5","2","6","7","1","2","4","1") = "6"
    & skf21("5","2","6","7","1","2","5","1") = "6"
    & skf21("5","2","6","7","1","2","6","1") = "6"
    & skf21("5","2","6","7","1","2","7","1") = "6"
    & skf21("5","2","6","7","1","3","1","1") = "6"
    & skf21("5","2","6","7","1","3","2","1") = "6"
    & skf21("5","2","6","7","1","3","3","1") = "6"
    & skf21("5","2","6","7","1","3","4","1") = "6"
    & skf21("5","2","6","7","1","3","5","1") = "6"
    & skf21("5","2","6","7","1","3","6","1") = "6"
    & skf21("5","2","6","7","1","3","7","1") = "6"
    & skf21("5","2","6","7","1","4","1","1") = "6"
    & skf21("5","2","6","7","1","4","2","1") = "6"
    & skf21("5","2","6","7","1","4","3","1") = "6"
    & skf21("5","2","6","7","1","4","4","1") = "6"
    & skf21("5","2","6","7","1","4","5","1") = "6"
    & skf21("5","2","6","7","1","4","6","1") = "6"
    & skf21("5","2","6","7","1","4","7","1") = "6"
    & skf21("5","2","6","7","1","5","1","1") = "6"
    & skf21("5","2","6","7","1","5","2","1") = "6"
    & skf21("5","2","6","7","1","5","3","1") = "6"
    & skf21("5","2","6","7","1","5","4","1") = "6"
    & skf21("5","2","6","7","1","5","5","1") = "6"
    & skf21("5","2","6","7","1","5","6","1") = "6"
    & skf21("5","2","6","7","1","5","7","1") = "6"
    & skf21("5","2","6","7","1","6","1","1") = "6"
    & skf21("5","2","6","7","1","6","2","1") = "6"
    & skf21("5","2","6","7","1","6","3","1") = "6"
    & skf21("5","2","6","7","1","6","4","1") = "6"
    & skf21("5","2","6","7","1","6","5","1") = "6"
    & skf21("5","2","6","7","1","6","6","1") = "6"
    & skf21("5","2","6","7","1","6","7","1") = "6"
    & skf21("5","2","6","7","1","7","1","1") = "6"
    & skf21("5","2","6","7","1","7","2","1") = "6"
    & skf21("5","2","6","7","1","7","3","1") = "6"
    & skf21("5","2","6","7","1","7","4","1") = "6"
    & skf21("5","2","6","7","1","7","5","1") = "6"
    & skf21("5","2","6","7","1","7","6","1") = "6"
    & skf21("5","2","6","7","1","7","7","1") = "6"
    & skf21("5","2","6","7","2","1","1","1") = "6"
    & skf21("5","2","6","7","2","1","2","1") = "6"
    & skf21("5","2","6","7","2","1","3","1") = "6"
    & skf21("5","2","6","7","2","1","4","1") = "6"
    & skf21("5","2","6","7","2","1","5","1") = "6"
    & skf21("5","2","6","7","2","1","6","1") = "6"
    & skf21("5","2","6","7","2","1","7","1") = "6"
    & skf21("5","2","6","7","2","2","1","1") = "6"
    & skf21("5","2","6","7","2","2","2","1") = "6"
    & skf21("5","2","6","7","2","2","3","1") = "6"
    & skf21("5","2","6","7","2","2","4","1") = "6"
    & skf21("5","2","6","7","2","2","5","1") = "6"
    & skf21("5","2","6","7","2","2","6","1") = "6"
    & skf21("5","2","6","7","2","2","7","1") = "6"
    & skf21("5","2","6","7","2","3","1","1") = "6"
    & skf21("5","2","6","7","2","3","2","1") = "6"
    & skf21("5","2","6","7","2","3","3","1") = "6"
    & skf21("5","2","6","7","2","3","4","1") = "6"
    & skf21("5","2","6","7","2","3","5","1") = "6"
    & skf21("5","2","6","7","2","3","6","1") = "6"
    & skf21("5","2","6","7","2","3","7","1") = "6"
    & skf21("5","2","6","7","2","4","1","1") = "6"
    & skf21("5","2","6","7","2","4","2","1") = "6"
    & skf21("5","2","6","7","2","4","3","1") = "6"
    & skf21("5","2","6","7","2","4","4","1") = "6"
    & skf21("5","2","6","7","2","4","5","1") = "6"
    & skf21("5","2","6","7","2","4","6","1") = "6"
    & skf21("5","2","6","7","2","4","7","1") = "6"
    & skf21("5","2","6","7","2","5","1","1") = "6"
    & skf21("5","2","6","7","2","5","2","1") = "6"
    & skf21("5","2","6","7","2","5","3","1") = "6"
    & skf21("5","2","6","7","2","5","4","1") = "6"
    & skf21("5","2","6","7","2","5","5","1") = "6"
    & skf21("5","2","6","7","2","5","6","1") = "6"
    & skf21("5","2","6","7","2","5","7","1") = "6"
    & skf21("5","2","6","7","2","6","1","1") = "6"
    & skf21("5","2","6","7","2","6","2","1") = "6"
    & skf21("5","2","6","7","2","6","3","1") = "6"
    & skf21("5","2","6","7","2","6","4","1") = "6"
    & skf21("5","2","6","7","2","6","5","1") = "6"
    & skf21("5","2","6","7","2","6","6","1") = "6"
    & skf21("5","2","6","7","2","6","7","1") = "6"
    & skf21("5","2","6","7","2","7","1","1") = "6"
    & skf21("5","2","6","7","2","7","2","1") = "6"
    & skf21("5","2","6","7","2","7","3","1") = "6"
    & skf21("5","2","6","7","2","7","4","1") = "6"
    & skf21("5","2","6","7","2","7","5","1") = "6"
    & skf21("5","2","6","7","2","7","6","1") = "6"
    & skf21("5","2","6","7","2","7","7","1") = "6"
    & skf21("5","2","6","7","3","1","1","1") = "6"
    & skf21("5","2","6","7","3","1","2","1") = "6"
    & skf21("5","2","6","7","3","1","3","1") = "6"
    & skf21("5","2","6","7","3","1","4","1") = "6"
    & skf21("5","2","6","7","3","1","5","1") = "6"
    & skf21("5","2","6","7","3","1","6","1") = "6"
    & skf21("5","2","6","7","3","1","7","1") = "6"
    & skf21("5","2","6","7","3","2","1","1") = "6"
    & skf21("5","2","6","7","3","2","2","1") = "6"
    & skf21("5","2","6","7","3","2","3","1") = "6"
    & skf21("5","2","6","7","3","2","4","1") = "6"
    & skf21("5","2","6","7","3","2","5","1") = "6"
    & skf21("5","2","6","7","3","2","6","1") = "6"
    & skf21("5","2","6","7","3","2","7","1") = "6"
    & skf21("5","2","6","7","3","3","1","1") = "6"
    & skf21("5","2","6","7","3","3","2","1") = "6"
    & skf21("5","2","6","7","3","3","3","1") = "6"
    & skf21("5","2","6","7","3","3","4","1") = "6"
    & skf21("5","2","6","7","3","3","5","1") = "6"
    & skf21("5","2","6","7","3","3","6","1") = "6"
    & skf21("5","2","6","7","3","3","7","1") = "6"
    & skf21("5","2","6","7","3","4","1","1") = "6"
    & skf21("5","2","6","7","3","4","2","1") = "6"
    & skf21("5","2","6","7","3","4","3","1") = "6"
    & skf21("5","2","6","7","3","4","4","1") = "6"
    & skf21("5","2","6","7","3","4","5","1") = "6"
    & skf21("5","2","6","7","3","4","6","1") = "6"
    & skf21("5","2","6","7","3","4","7","1") = "6"
    & skf21("5","2","6","7","3","5","1","1") = "6"
    & skf21("5","2","6","7","3","5","2","1") = "6"
    & skf21("5","2","6","7","3","5","3","1") = "6"
    & skf21("5","2","6","7","3","5","4","1") = "6"
    & skf21("5","2","6","7","3","5","5","1") = "6"
    & skf21("5","2","6","7","3","5","6","1") = "6"
    & skf21("5","2","6","7","3","5","7","1") = "6"
    & skf21("5","2","6","7","3","6","1","1") = "6"
    & skf21("5","2","6","7","3","6","2","1") = "6"
    & skf21("5","2","6","7","3","6","3","1") = "6"
    & skf21("5","2","6","7","3","6","4","1") = "6"
    & skf21("5","2","6","7","3","6","5","1") = "6"
    & skf21("5","2","6","7","3","6","6","1") = "6"
    & skf21("5","2","6","7","3","6","7","1") = "6"
    & skf21("5","2","6","7","3","7","1","1") = "6"
    & skf21("5","2","6","7","3","7","2","1") = "6"
    & skf21("5","2","6","7","3","7","3","1") = "6"
    & skf21("5","2","6","7","3","7","4","1") = "6"
    & skf21("5","2","6","7","3","7","5","1") = "6"
    & skf21("5","2","6","7","3","7","6","1") = "6"
    & skf21("5","2","6","7","3","7","7","1") = "6"
    & skf21("5","2","6","7","4","1","1","1") = "6"
    & skf21("5","2","6","7","4","1","2","1") = "6"
    & skf21("5","2","6","7","4","1","3","1") = "6"
    & skf21("5","2","6","7","4","1","4","1") = "6"
    & skf21("5","2","6","7","4","1","5","1") = "6"
    & skf21("5","2","6","7","4","1","6","1") = "6"
    & skf21("5","2","6","7","4","1","7","1") = "6"
    & skf21("5","2","6","7","4","2","1","1") = "6"
    & skf21("5","2","6","7","4","2","2","1") = "6"
    & skf21("5","2","6","7","4","2","3","1") = "6"
    & skf21("5","2","6","7","4","2","4","1") = "6"
    & skf21("5","2","6","7","4","2","5","1") = "6"
    & skf21("5","2","6","7","4","2","6","1") = "6"
    & skf21("5","2","6","7","4","2","7","1") = "6"
    & skf21("5","2","6","7","4","3","1","1") = "6"
    & skf21("5","2","6","7","4","3","2","1") = "6"
    & skf21("5","2","6","7","4","3","3","1") = "6"
    & skf21("5","2","6","7","4","3","4","1") = "6"
    & skf21("5","2","6","7","4","3","5","1") = "6"
    & skf21("5","2","6","7","4","3","6","1") = "6"
    & skf21("5","2","6","7","4","3","7","1") = "6"
    & skf21("5","2","6","7","4","4","1","1") = "6"
    & skf21("5","2","6","7","4","4","2","1") = "6"
    & skf21("5","2","6","7","4","4","3","1") = "6"
    & skf21("5","2","6","7","4","4","4","1") = "6"
    & skf21("5","2","6","7","4","4","5","1") = "6"
    & skf21("5","2","6","7","4","4","6","1") = "6"
    & skf21("5","2","6","7","4","4","7","1") = "6"
    & skf21("5","2","6","7","4","5","1","1") = "6"
    & skf21("5","2","6","7","4","5","2","1") = "6"
    & skf21("5","2","6","7","4","5","3","1") = "6"
    & skf21("5","2","6","7","4","5","4","1") = "6"
    & skf21("5","2","6","7","4","5","5","1") = "6"
    & skf21("5","2","6","7","4","5","6","1") = "6"
    & skf21("5","2","6","7","4","5","7","1") = "6"
    & skf21("5","2","6","7","4","6","1","1") = "6"
    & skf21("5","2","6","7","4","6","2","1") = "6"
    & skf21("5","2","6","7","4","6","3","1") = "6"
    & skf21("5","2","6","7","4","6","4","1") = "6"
    & skf21("5","2","6","7","4","6","5","1") = "6"
    & skf21("5","2","6","7","4","6","6","1") = "6"
    & skf21("5","2","6","7","4","6","7","1") = "6"
    & skf21("5","2","6","7","4","7","1","1") = "6"
    & skf21("5","2","6","7","4","7","2","1") = "6"
    & skf21("5","2","6","7","4","7","3","1") = "6"
    & skf21("5","2","6","7","4","7","4","1") = "6"
    & skf21("5","2","6","7","4","7","5","1") = "6"
    & skf21("5","2","6","7","4","7","6","1") = "6"
    & skf21("5","2","6","7","4","7","7","1") = "6"
    & skf21("5","2","6","7","5","1","1","1") = "6"
    & skf21("5","2","6","7","5","1","2","1") = "6"
    & skf21("5","2","6","7","5","1","3","1") = "6"
    & skf21("5","2","6","7","5","1","4","1") = "6"
    & skf21("5","2","6","7","5","1","5","1") = "6"
    & skf21("5","2","6","7","5","1","6","1") = "6"
    & skf21("5","2","6","7","5","1","7","1") = "6"
    & skf21("5","2","6","7","5","2","1","1") = "6"
    & skf21("5","2","6","7","5","2","2","1") = "6"
    & skf21("5","2","6","7","5","2","3","1") = "6"
    & skf21("5","2","6","7","5","2","4","1") = "6"
    & skf21("5","2","6","7","5","2","5","1") = "6"
    & skf21("5","2","6","7","5","2","6","1") = "6"
    & skf21("5","2","6","7","5","2","7","1") = "6"
    & skf21("5","2","6","7","5","3","1","1") = "6"
    & skf21("5","2","6","7","5","3","2","1") = "6"
    & skf21("5","2","6","7","5","3","3","1") = "6"
    & skf21("5","2","6","7","5","3","4","1") = "6"
    & skf21("5","2","6","7","5","3","5","1") = "6"
    & skf21("5","2","6","7","5","3","6","1") = "6"
    & skf21("5","2","6","7","5","3","7","1") = "6"
    & skf21("5","2","6","7","5","4","1","1") = "6"
    & skf21("5","2","6","7","5","4","2","1") = "6"
    & skf21("5","2","6","7","5","4","3","1") = "6"
    & skf21("5","2","6","7","5","4","4","1") = "6"
    & skf21("5","2","6","7","5","4","5","1") = "6"
    & skf21("5","2","6","7","5","4","6","1") = "6"
    & skf21("5","2","6","7","5","4","7","1") = "6"
    & skf21("5","2","6","7","5","5","1","1") = "6"
    & skf21("5","2","6","7","5","5","2","1") = "6"
    & skf21("5","2","6","7","5","5","3","1") = "6"
    & skf21("5","2","6","7","5","5","4","1") = "6"
    & skf21("5","2","6","7","5","5","5","1") = "6"
    & skf21("5","2","6","7","5","5","6","1") = "6"
    & skf21("5","2","6","7","5","5","7","1") = "6"
    & skf21("5","2","6","7","5","6","1","1") = "6"
    & skf21("5","2","6","7","5","6","2","1") = "6"
    & skf21("5","2","6","7","5","6","3","1") = "6"
    & skf21("5","2","6","7","5","6","4","1") = "6"
    & skf21("5","2","6","7","5","6","5","1") = "6"
    & skf21("5","2","6","7","5","6","6","1") = "6"
    & skf21("5","2","6","7","5","6","7","1") = "6"
    & skf21("5","2","6","7","5","7","1","1") = "6"
    & skf21("5","2","6","7","5","7","2","1") = "6"
    & skf21("5","2","6","7","5","7","3","1") = "6"
    & skf21("5","2","6","7","5","7","4","1") = "6"
    & skf21("5","2","6","7","5","7","5","1") = "6"
    & skf21("5","2","6","7","5","7","6","1") = "6"
    & skf21("5","2","6","7","5","7","7","1") = "6"
    & skf21("5","2","6","7","6","1","1","1") = "6"
    & skf21("5","2","6","7","6","1","2","1") = "6"
    & skf21("5","2","6","7","6","1","3","1") = "6"
    & skf21("5","2","6","7","6","1","4","1") = "6"
    & skf21("5","2","6","7","6","1","5","1") = "6"
    & skf21("5","2","6","7","6","1","6","1") = "6"
    & skf21("5","2","6","7","6","1","7","1") = "6"
    & skf21("5","2","6","7","6","2","1","1") = "6"
    & skf21("5","2","6","7","6","2","2","1") = "6"
    & skf21("5","2","6","7","6","2","3","1") = "6"
    & skf21("5","2","6","7","6","2","4","1") = "6"
    & skf21("5","2","6","7","6","2","5","1") = "6"
    & skf21("5","2","6","7","6","2","6","1") = "6"
    & skf21("5","2","6","7","6","2","7","1") = "6"
    & skf21("5","2","6","7","6","3","1","1") = "6"
    & skf21("5","2","6","7","6","3","2","1") = "6"
    & skf21("5","2","6","7","6","3","3","1") = "6"
    & skf21("5","2","6","7","6","3","4","1") = "6"
    & skf21("5","2","6","7","6","3","5","1") = "6"
    & skf21("5","2","6","7","6","3","6","1") = "6"
    & skf21("5","2","6","7","6","3","7","1") = "6"
    & skf21("5","2","6","7","6","4","1","1") = "6"
    & skf21("5","2","6","7","6","4","2","1") = "6"
    & skf21("5","2","6","7","6","4","3","1") = "6"
    & skf21("5","2","6","7","6","4","4","1") = "6"
    & skf21("5","2","6","7","6","4","5","1") = "6"
    & skf21("5","2","6","7","6","4","6","1") = "6"
    & skf21("5","2","6","7","6","4","7","1") = "6"
    & skf21("5","2","6","7","6","5","1","1") = "6"
    & skf21("5","2","6","7","6","5","2","1") = "6"
    & skf21("5","2","6","7","6","5","3","1") = "6"
    & skf21("5","2","6","7","6","5","4","1") = "6"
    & skf21("5","2","6","7","6","5","5","1") = "6"
    & skf21("5","2","6","7","6","5","6","1") = "6"
    & skf21("5","2","6","7","6","5","7","1") = "6"
    & skf21("5","2","6","7","6","6","1","1") = "6"
    & skf21("5","2","6","7","6","6","2","1") = "6"
    & skf21("5","2","6","7","6","6","3","1") = "6"
    & skf21("5","2","6","7","6","6","4","1") = "6"
    & skf21("5","2","6","7","6","6","5","1") = "6"
    & skf21("5","2","6","7","6","6","6","1") = "6"
    & skf21("5","2","6","7","6","6","7","1") = "6"
    & skf21("5","2","6","7","6","7","1","1") = "6"
    & skf21("5","2","6","7","6","7","2","1") = "6"
    & skf21("5","2","6","7","6","7","3","1") = "6"
    & skf21("5","2","6","7","6","7","4","1") = "6"
    & skf21("5","2","6","7","6","7","5","1") = "6"
    & skf21("5","2","6","7","6","7","6","1") = "6"
    & skf21("5","2","6","7","6","7","7","1") = "6"
    & skf21("5","2","6","7","7","1","1","1") = "6"
    & skf21("5","2","6","7","7","1","2","1") = "6"
    & skf21("5","2","6","7","7","1","3","1") = "6"
    & skf21("5","2","6","7","7","1","4","1") = "6"
    & skf21("5","2","6","7","7","1","5","1") = "6"
    & skf21("5","2","6","7","7","1","6","1") = "6"
    & skf21("5","2","6","7","7","1","7","1") = "6"
    & skf21("5","2","6","7","7","2","1","1") = "6"
    & skf21("5","2","6","7","7","2","2","1") = "6"
    & skf21("5","2","6","7","7","2","3","1") = "6"
    & skf21("5","2","6","7","7","2","4","1") = "6"
    & skf21("5","2","6","7","7","2","5","1") = "6"
    & skf21("5","2","6","7","7","2","6","1") = "6"
    & skf21("5","2","6","7","7","2","7","1") = "6"
    & skf21("5","2","6","7","7","3","1","1") = "6"
    & skf21("5","2","6","7","7","3","2","1") = "6"
    & skf21("5","2","6","7","7","3","3","1") = "6"
    & skf21("5","2","6","7","7","3","4","1") = "6"
    & skf21("5","2","6","7","7","3","5","1") = "6"
    & skf21("5","2","6","7","7","3","6","1") = "6"
    & skf21("5","2","6","7","7","3","7","1") = "6"
    & skf21("5","2","6","7","7","4","1","1") = "6"
    & skf21("5","2","6","7","7","4","2","1") = "6"
    & skf21("5","2","6","7","7","4","3","1") = "6"
    & skf21("5","2","6","7","7","4","4","1") = "6"
    & skf21("5","2","6","7","7","4","5","1") = "6"
    & skf21("5","2","6","7","7","4","6","1") = "6"
    & skf21("5","2","6","7","7","4","7","1") = "6"
    & skf21("5","2","6","7","7","5","1","1") = "6"
    & skf21("5","2","6","7","7","5","2","1") = "6"
    & skf21("5","2","6","7","7","5","3","1") = "6"
    & skf21("5","2","6","7","7","5","4","1") = "6"
    & skf21("5","2","6","7","7","5","5","1") = "6"
    & skf21("5","2","6","7","7","5","6","1") = "6"
    & skf21("5","2","6","7","7","5","7","1") = "6"
    & skf21("5","2","6","7","7","6","1","1") = "6"
    & skf21("5","2","6","7","7","6","2","1") = "6"
    & skf21("5","2","6","7","7","6","3","1") = "6"
    & skf21("5","2","6","7","7","6","4","1") = "6"
    & skf21("5","2","6","7","7","6","5","1") = "6"
    & skf21("5","2","6","7","7","6","6","1") = "6"
    & skf21("5","2","6","7","7","6","7","1") = "6"
    & skf21("5","2","6","7","7","7","1","1") = "6"
    & skf21("5","2","6","7","7","7","2","1") = "6"
    & skf21("5","2","6","7","7","7","3","1") = "6"
    & skf21("5","2","6","7","7","7","4","1") = "6"
    & skf21("5","2","6","7","7","7","5","1") = "6"
    & skf21("5","2","6","7","7","7","6","1") = "6"
    & skf21("5","2","6","7","7","7","7","1") = "6"
    & skf21("5","2","7","1","1","1","1","1") = "6"
    & skf21("5","2","7","1","1","1","2","1") = "6"
    & skf21("5","2","7","1","1","1","3","1") = "6"
    & skf21("5","2","7","1","1","1","4","1") = "6"
    & skf21("5","2","7","1","1","1","5","1") = "6"
    & skf21("5","2","7","1","1","1","6","1") = "6"
    & skf21("5","2","7","1","1","1","7","1") = "6"
    & skf21("5","2","7","1","1","2","1","1") = "6"
    & skf21("5","2","7","1","1","2","2","1") = "6"
    & skf21("5","2","7","1","1","2","3","1") = "6"
    & skf21("5","2","7","1","1","2","4","1") = "6"
    & skf21("5","2","7","1","1","2","5","1") = "6"
    & skf21("5","2","7","1","1","2","6","1") = "6"
    & skf21("5","2","7","1","1","2","7","1") = "6"
    & skf21("5","2","7","1","1","3","1","1") = "6"
    & skf21("5","2","7","1","1","3","2","1") = "6"
    & skf21("5","2","7","1","1","3","3","1") = "6"
    & skf21("5","2","7","1","1","3","4","1") = "6"
    & skf21("5","2","7","1","1","3","5","1") = "6"
    & skf21("5","2","7","1","1","3","6","1") = "6"
    & skf21("5","2","7","1","1","3","7","1") = "6"
    & skf21("5","2","7","1","1","4","1","1") = "6"
    & skf21("5","2","7","1","1","4","2","1") = "6"
    & skf21("5","2","7","1","1","4","3","1") = "6"
    & skf21("5","2","7","1","1","4","4","1") = "6"
    & skf21("5","2","7","1","1","4","5","1") = "6"
    & skf21("5","2","7","1","1","4","6","1") = "6"
    & skf21("5","2","7","1","1","4","7","1") = "6"
    & skf21("5","2","7","1","1","5","1","1") = "6"
    & skf21("5","2","7","1","1","5","2","1") = "6"
    & skf21("5","2","7","1","1","5","3","1") = "6"
    & skf21("5","2","7","1","1","5","4","1") = "6"
    & skf21("5","2","7","1","1","5","5","1") = "6"
    & skf21("5","2","7","1","1","5","6","1") = "6"
    & skf21("5","2","7","1","1","5","7","1") = "6"
    & skf21("5","2","7","1","1","6","1","1") = "6"
    & skf21("5","2","7","1","1","6","2","1") = "6"
    & skf21("5","2","7","1","1","6","3","1") = "6"
    & skf21("5","2","7","1","1","6","4","1") = "6"
    & skf21("5","2","7","1","1","6","5","1") = "6"
    & skf21("5","2","7","1","1","6","6","1") = "6"
    & skf21("5","2","7","1","1","6","7","1") = "6"
    & skf21("5","2","7","1","1","7","1","1") = "6"
    & skf21("5","2","7","1","1","7","2","1") = "6"
    & skf21("5","2","7","1","1","7","3","1") = "6"
    & skf21("5","2","7","1","1","7","4","1") = "6"
    & skf21("5","2","7","1","1","7","5","1") = "6"
    & skf21("5","2","7","1","1","7","6","1") = "6"
    & skf21("5","2","7","1","1","7","7","1") = "6"
    & skf21("5","2","7","1","2","1","1","1") = "6"
    & skf21("5","2","7","1","2","1","2","1") = "6"
    & skf21("5","2","7","1","2","1","3","1") = "6"
    & skf21("5","2","7","1","2","1","4","1") = "6"
    & skf21("5","2","7","1","2","1","5","1") = "6"
    & skf21("5","2","7","1","2","1","6","1") = "6"
    & skf21("5","2","7","1","2","1","7","1") = "6"
    & skf21("5","2","7","1","2","2","1","1") = "6"
    & skf21("5","2","7","1","2","2","2","1") = "6"
    & skf21("5","2","7","1","2","2","3","1") = "6"
    & skf21("5","2","7","1","2","2","4","1") = "6"
    & skf21("5","2","7","1","2","2","5","1") = "6"
    & skf21("5","2","7","1","2","2","6","1") = "6"
    & skf21("5","2","7","1","2","2","7","1") = "6"
    & skf21("5","2","7","1","2","3","1","1") = "6"
    & skf21("5","2","7","1","2","3","2","1") = "6"
    & skf21("5","2","7","1","2","3","3","1") = "6"
    & skf21("5","2","7","1","2","3","4","1") = "6"
    & skf21("5","2","7","1","2","3","5","1") = "6"
    & skf21("5","2","7","1","2","3","6","1") = "6"
    & skf21("5","2","7","1","2","3","7","1") = "6"
    & skf21("5","2","7","1","2","4","1","1") = "6"
    & skf21("5","2","7","1","2","4","2","1") = "6"
    & skf21("5","2","7","1","2","4","3","1") = "6"
    & skf21("5","2","7","1","2","4","4","1") = "6"
    & skf21("5","2","7","1","2","4","5","1") = "6"
    & skf21("5","2","7","1","2","4","6","1") = "6"
    & skf21("5","2","7","1","2","4","7","1") = "6"
    & skf21("5","2","7","1","2","5","1","1") = "6"
    & skf21("5","2","7","1","2","5","2","1") = "6"
    & skf21("5","2","7","1","2","5","3","1") = "6"
    & skf21("5","2","7","1","2","5","4","1") = "6"
    & skf21("5","2","7","1","2","5","5","1") = "6"
    & skf21("5","2","7","1","2","5","6","1") = "6"
    & skf21("5","2","7","1","2","5","7","1") = "6"
    & skf21("5","2","7","1","2","6","1","1") = "6"
    & skf21("5","2","7","1","2","6","2","1") = "6"
    & skf21("5","2","7","1","2","6","3","1") = "6"
    & skf21("5","2","7","1","2","6","4","1") = "6"
    & skf21("5","2","7","1","2","6","5","1") = "6"
    & skf21("5","2","7","1","2","6","6","1") = "6"
    & skf21("5","2","7","1","2","6","7","1") = "6"
    & skf21("5","2","7","1","2","7","1","1") = "6"
    & skf21("5","2","7","1","2","7","2","1") = "6"
    & skf21("5","2","7","1","2","7","3","1") = "6"
    & skf21("5","2","7","1","2","7","4","1") = "6"
    & skf21("5","2","7","1","2","7","5","1") = "6"
    & skf21("5","2","7","1","2","7","6","1") = "6"
    & skf21("5","2","7","1","2","7","7","1") = "6"
    & skf21("5","2","7","1","3","1","1","1") = "6"
    & skf21("5","2","7","1","3","1","2","1") = "6"
    & skf21("5","2","7","1","3","1","3","1") = "6"
    & skf21("5","2","7","1","3","1","4","1") = "6"
    & skf21("5","2","7","1","3","1","5","1") = "6"
    & skf21("5","2","7","1","3","1","6","1") = "6"
    & skf21("5","2","7","1","3","1","7","1") = "6"
    & skf21("5","2","7","1","3","2","1","1") = "6"
    & skf21("5","2","7","1","3","2","2","1") = "6"
    & skf21("5","2","7","1","3","2","3","1") = "6"
    & skf21("5","2","7","1","3","2","4","1") = "6"
    & skf21("5","2","7","1","3","2","5","1") = "6"
    & skf21("5","2","7","1","3","2","6","1") = "6"
    & skf21("5","2","7","1","3","2","7","1") = "6"
    & skf21("5","2","7","1","3","3","1","1") = "6"
    & skf21("5","2","7","1","3","3","2","1") = "6"
    & skf21("5","2","7","1","3","3","3","1") = "6"
    & skf21("5","2","7","1","3","3","4","1") = "6"
    & skf21("5","2","7","1","3","3","5","1") = "6"
    & skf21("5","2","7","1","3","3","6","1") = "6"
    & skf21("5","2","7","1","3","3","7","1") = "6"
    & skf21("5","2","7","1","3","4","1","1") = "6"
    & skf21("5","2","7","1","3","4","2","1") = "6"
    & skf21("5","2","7","1","3","4","3","1") = "6"
    & skf21("5","2","7","1","3","4","4","1") = "6"
    & skf21("5","2","7","1","3","4","5","1") = "6"
    & skf21("5","2","7","1","3","4","6","1") = "6"
    & skf21("5","2","7","1","3","4","7","1") = "6"
    & skf21("5","2","7","1","3","5","1","1") = "6"
    & skf21("5","2","7","1","3","5","2","1") = "6"
    & skf21("5","2","7","1","3","5","3","1") = "6"
    & skf21("5","2","7","1","3","5","4","1") = "6"
    & skf21("5","2","7","1","3","5","5","1") = "6"
    & skf21("5","2","7","1","3","5","6","1") = "6"
    & skf21("5","2","7","1","3","5","7","1") = "6"
    & skf21("5","2","7","1","3","6","1","1") = "6"
    & skf21("5","2","7","1","3","6","2","1") = "6"
    & skf21("5","2","7","1","3","6","3","1") = "6"
    & skf21("5","2","7","1","3","6","4","1") = "6"
    & skf21("5","2","7","1","3","6","5","1") = "6"
    & skf21("5","2","7","1","3","6","6","1") = "6"
    & skf21("5","2","7","1","3","6","7","1") = "6"
    & skf21("5","2","7","1","3","7","1","1") = "6"
    & skf21("5","2","7","1","3","7","2","1") = "6"
    & skf21("5","2","7","1","3","7","3","1") = "6"
    & skf21("5","2","7","1","3","7","4","1") = "6"
    & skf21("5","2","7","1","3","7","5","1") = "6"
    & skf21("5","2","7","1","3","7","6","1") = "6"
    & skf21("5","2","7","1","3","7","7","1") = "6"
    & skf21("5","2","7","1","4","1","1","1") = "6"
    & skf21("5","2","7","1","4","1","2","1") = "6"
    & skf21("5","2","7","1","4","1","3","1") = "6"
    & skf21("5","2","7","1","4","1","4","1") = "6"
    & skf21("5","2","7","1","4","1","5","1") = "6"
    & skf21("5","2","7","1","4","1","6","1") = "6"
    & skf21("5","2","7","1","4","1","7","1") = "6"
    & skf21("5","2","7","1","4","2","1","1") = "6"
    & skf21("5","2","7","1","4","2","2","1") = "6"
    & skf21("5","2","7","1","4","2","3","1") = "6"
    & skf21("5","2","7","1","4","2","4","1") = "6"
    & skf21("5","2","7","1","4","2","5","1") = "6"
    & skf21("5","2","7","1","4","2","6","1") = "6"
    & skf21("5","2","7","1","4","2","7","1") = "6"
    & skf21("5","2","7","1","4","3","1","1") = "6"
    & skf21("5","2","7","1","4","3","2","1") = "6"
    & skf21("5","2","7","1","4","3","3","1") = "6"
    & skf21("5","2","7","1","4","3","4","1") = "6"
    & skf21("5","2","7","1","4","3","5","1") = "6"
    & skf21("5","2","7","1","4","3","6","1") = "6"
    & skf21("5","2","7","1","4","3","7","1") = "6"
    & skf21("5","2","7","1","4","4","1","1") = "6"
    & skf21("5","2","7","1","4","4","2","1") = "6"
    & skf21("5","2","7","1","4","4","3","1") = "6"
    & skf21("5","2","7","1","4","4","4","1") = "6"
    & skf21("5","2","7","1","4","4","5","1") = "6"
    & skf21("5","2","7","1","4","4","6","1") = "6"
    & skf21("5","2","7","1","4","4","7","1") = "6"
    & skf21("5","2","7","1","4","5","1","1") = "6"
    & skf21("5","2","7","1","4","5","2","1") = "6"
    & skf21("5","2","7","1","4","5","3","1") = "6"
    & skf21("5","2","7","1","4","5","4","1") = "6"
    & skf21("5","2","7","1","4","5","5","1") = "6"
    & skf21("5","2","7","1","4","5","6","1") = "6"
    & skf21("5","2","7","1","4","5","7","1") = "6"
    & skf21("5","2","7","1","4","6","1","1") = "6"
    & skf21("5","2","7","1","4","6","2","1") = "6"
    & skf21("5","2","7","1","4","6","3","1") = "6"
    & skf21("5","2","7","1","4","6","4","1") = "6"
    & skf21("5","2","7","1","4","6","5","1") = "6"
    & skf21("5","2","7","1","4","6","6","1") = "6"
    & skf21("5","2","7","1","4","6","7","1") = "6"
    & skf21("5","2","7","1","4","7","1","1") = "6"
    & skf21("5","2","7","1","4","7","2","1") = "6"
    & skf21("5","2","7","1","4","7","3","1") = "6"
    & skf21("5","2","7","1","4","7","4","1") = "6"
    & skf21("5","2","7","1","4","7","5","1") = "6"
    & skf21("5","2","7","1","4","7","6","1") = "6"
    & skf21("5","2","7","1","4","7","7","1") = "6"
    & skf21("5","2","7","1","5","1","1","1") = "6"
    & skf21("5","2","7","1","5","1","2","1") = "6"
    & skf21("5","2","7","1","5","1","3","1") = "6"
    & skf21("5","2","7","1","5","1","4","1") = "6"
    & skf21("5","2","7","1","5","1","5","1") = "6"
    & skf21("5","2","7","1","5","1","6","1") = "6"
    & skf21("5","2","7","1","5","1","7","1") = "6"
    & skf21("5","2","7","1","5","2","1","1") = "6"
    & skf21("5","2","7","1","5","2","2","1") = "6"
    & skf21("5","2","7","1","5","2","3","1") = "6"
    & skf21("5","2","7","1","5","2","4","1") = "6"
    & skf21("5","2","7","1","5","2","5","1") = "6"
    & skf21("5","2","7","1","5","2","6","1") = "6"
    & skf21("5","2","7","1","5","2","7","1") = "6"
    & skf21("5","2","7","1","5","3","1","1") = "6"
    & skf21("5","2","7","1","5","3","2","1") = "6"
    & skf21("5","2","7","1","5","3","3","1") = "6"
    & skf21("5","2","7","1","5","3","4","1") = "6"
    & skf21("5","2","7","1","5","3","5","1") = "6"
    & skf21("5","2","7","1","5","3","6","1") = "6"
    & skf21("5","2","7","1","5","3","7","1") = "6"
    & skf21("5","2","7","1","5","4","1","1") = "6"
    & skf21("5","2","7","1","5","4","2","1") = "6"
    & skf21("5","2","7","1","5","4","3","1") = "6"
    & skf21("5","2","7","1","5","4","4","1") = "6"
    & skf21("5","2","7","1","5","4","5","1") = "6"
    & skf21("5","2","7","1","5","4","6","1") = "6"
    & skf21("5","2","7","1","5","4","7","1") = "6"
    & skf21("5","2","7","1","5","5","1","1") = "6"
    & skf21("5","2","7","1","5","5","2","1") = "6"
    & skf21("5","2","7","1","5","5","3","1") = "6"
    & skf21("5","2","7","1","5","5","4","1") = "6"
    & skf21("5","2","7","1","5","5","5","1") = "6"
    & skf21("5","2","7","1","5","5","6","1") = "6"
    & skf21("5","2","7","1","5","5","7","1") = "6"
    & skf21("5","2","7","1","5","6","1","1") = "6"
    & skf21("5","2","7","1","5","6","2","1") = "6"
    & skf21("5","2","7","1","5","6","3","1") = "6"
    & skf21("5","2","7","1","5","6","4","1") = "6"
    & skf21("5","2","7","1","5","6","5","1") = "6"
    & skf21("5","2","7","1","5","6","6","1") = "6"
    & skf21("5","2","7","1","5","6","7","1") = "6"
    & skf21("5","2","7","1","5","7","1","1") = "6"
    & skf21("5","2","7","1","5","7","2","1") = "6"
    & skf21("5","2","7","1","5","7","3","1") = "6"
    & skf21("5","2","7","1","5","7","4","1") = "6"
    & skf21("5","2","7","1","5","7","5","1") = "6"
    & skf21("5","2","7","1","5","7","6","1") = "6"
    & skf21("5","2","7","1","5","7","7","1") = "6"
    & skf21("5","2","7","1","6","1","1","1") = "6"
    & skf21("5","2","7","1","6","1","2","1") = "6"
    & skf21("5","2","7","1","6","1","3","1") = "6"
    & skf21("5","2","7","1","6","1","4","1") = "6"
    & skf21("5","2","7","1","6","1","5","1") = "6"
    & skf21("5","2","7","1","6","1","6","1") = "6"
    & skf21("5","2","7","1","6","1","7","1") = "6"
    & skf21("5","2","7","1","6","2","1","1") = "6"
    & skf21("5","2","7","1","6","2","2","1") = "6"
    & skf21("5","2","7","1","6","2","3","1") = "6"
    & skf21("5","2","7","1","6","2","4","1") = "6"
    & skf21("5","2","7","1","6","2","5","1") = "6"
    & skf21("5","2","7","1","6","2","6","1") = "6"
    & skf21("5","2","7","1","6","2","7","1") = "6"
    & skf21("5","2","7","1","6","3","1","1") = "6"
    & skf21("5","2","7","1","6","3","2","1") = "6"
    & skf21("5","2","7","1","6","3","3","1") = "6"
    & skf21("5","2","7","1","6","3","4","1") = "6"
    & skf21("5","2","7","1","6","3","5","1") = "6"
    & skf21("5","2","7","1","6","3","6","1") = "6"
    & skf21("5","2","7","1","6","3","7","1") = "6"
    & skf21("5","2","7","1","6","4","1","1") = "6"
    & skf21("5","2","7","1","6","4","2","1") = "6"
    & skf21("5","2","7","1","6","4","3","1") = "6"
    & skf21("5","2","7","1","6","4","4","1") = "6"
    & skf21("5","2","7","1","6","4","5","1") = "6"
    & skf21("5","2","7","1","6","4","6","1") = "6"
    & skf21("5","2","7","1","6","4","7","1") = "6"
    & skf21("5","2","7","1","6","5","1","1") = "6"
    & skf21("5","2","7","1","6","5","2","1") = "6"
    & skf21("5","2","7","1","6","5","3","1") = "6"
    & skf21("5","2","7","1","6","5","4","1") = "6"
    & skf21("5","2","7","1","6","5","5","1") = "6"
    & skf21("5","2","7","1","6","5","6","1") = "6"
    & skf21("5","2","7","1","6","5","7","1") = "6"
    & skf21("5","2","7","1","6","6","1","1") = "6"
    & skf21("5","2","7","1","6","6","2","1") = "6"
    & skf21("5","2","7","1","6","6","3","1") = "6"
    & skf21("5","2","7","1","6","6","4","1") = "6"
    & skf21("5","2","7","1","6","6","5","1") = "6"
    & skf21("5","2","7","1","6","6","6","1") = "6"
    & skf21("5","2","7","1","6","6","7","1") = "6"
    & skf21("5","2","7","1","6","7","1","1") = "6"
    & skf21("5","2","7","1","6","7","2","1") = "6"
    & skf21("5","2","7","1","6","7","3","1") = "6"
    & skf21("5","2","7","1","6","7","4","1") = "6"
    & skf21("5","2","7","1","6","7","5","1") = "6"
    & skf21("5","2","7","1","6","7","6","1") = "6"
    & skf21("5","2","7","1","6","7","7","1") = "6"
    & skf21("5","2","7","1","7","1","1","1") = "6"
    & skf21("5","2","7","1","7","1","2","1") = "6"
    & skf21("5","2","7","1","7","1","3","1") = "6"
    & skf21("5","2","7","1","7","1","4","1") = "6"
    & skf21("5","2","7","1","7","1","5","1") = "6"
    & skf21("5","2","7","1","7","1","6","1") = "6"
    & skf21("5","2","7","1","7","1","7","1") = "6"
    & skf21("5","2","7","1","7","2","1","1") = "6"
    & skf21("5","2","7","1","7","2","2","1") = "6"
    & skf21("5","2","7","1","7","2","3","1") = "6"
    & skf21("5","2","7","1","7","2","4","1") = "6"
    & skf21("5","2","7","1","7","2","5","1") = "6"
    & skf21("5","2","7","1","7","2","6","1") = "6"
    & skf21("5","2","7","1","7","2","7","1") = "6"
    & skf21("5","2","7","1","7","3","1","1") = "6"
    & skf21("5","2","7","1","7","3","2","1") = "6"
    & skf21("5","2","7","1","7","3","3","1") = "6"
    & skf21("5","2","7","1","7","3","4","1") = "6"
    & skf21("5","2","7","1","7","3","5","1") = "6"
    & skf21("5","2","7","1","7","3","6","1") = "6"
    & skf21("5","2","7","1","7","3","7","1") = "6"
    & skf21("5","2","7","1","7","4","1","1") = "6"
    & skf21("5","2","7","1","7","4","2","1") = "6"
    & skf21("5","2","7","1","7","4","3","1") = "6"
    & skf21("5","2","7","1","7","4","4","1") = "6"
    & skf21("5","2","7","1","7","4","5","1") = "6"
    & skf21("5","2","7","1","7","4","6","1") = "6"
    & skf21("5","2","7","1","7","4","7","1") = "6"
    & skf21("5","2","7","1","7","5","1","1") = "6"
    & skf21("5","2","7","1","7","5","2","1") = "6"
    & skf21("5","2","7","1","7","5","3","1") = "6"
    & skf21("5","2","7","1","7","5","4","1") = "6"
    & skf21("5","2","7","1","7","5","5","1") = "6"
    & skf21("5","2","7","1","7","5","6","1") = "6"
    & skf21("5","2","7","1","7","5","7","1") = "6"
    & skf21("5","2","7","1","7","6","1","1") = "6"
    & skf21("5","2","7","1","7","6","2","1") = "6"
    & skf21("5","2","7","1","7","6","3","1") = "6"
    & skf21("5","2","7","1","7","6","4","1") = "6"
    & skf21("5","2","7","1","7","6","5","1") = "6"
    & skf21("5","2","7","1","7","6","6","1") = "6"
    & skf21("5","2","7","1","7","6","7","1") = "6"
    & skf21("5","2","7","1","7","7","1","1") = "6"
    & skf21("5","2","7","1","7","7","2","1") = "6"
    & skf21("5","2","7","1","7","7","3","1") = "6"
    & skf21("5","2","7","1","7","7","4","1") = "6"
    & skf21("5","2","7","1","7","7","5","1") = "6"
    & skf21("5","2","7","1","7","7","6","1") = "6"
    & skf21("5","2","7","1","7","7","7","1") = "6"
    & skf21("5","2","7","2","1","1","1","1") = "6"
    & skf21("5","2","7","2","1","1","2","1") = "6"
    & skf21("5","2","7","2","1","1","3","1") = "6"
    & skf21("5","2","7","2","1","1","4","1") = "6"
    & skf21("5","2","7","2","1","1","5","1") = "6"
    & skf21("5","2","7","2","1","1","6","1") = "6"
    & skf21("5","2","7","2","1","1","7","1") = "6"
    & skf21("5","2","7","2","1","2","1","1") = "6"
    & skf21("5","2","7","2","1","2","2","1") = "6"
    & skf21("5","2","7","2","1","2","3","1") = "6"
    & skf21("5","2","7","2","1","2","4","1") = "6"
    & skf21("5","2","7","2","1","2","5","1") = "6"
    & skf21("5","2","7","2","1","2","6","1") = "6"
    & skf21("5","2","7","2","1","2","7","1") = "6"
    & skf21("5","2","7","2","1","3","1","1") = "6"
    & skf21("5","2","7","2","1","3","2","1") = "6"
    & skf21("5","2","7","2","1","3","3","1") = "6"
    & skf21("5","2","7","2","1","3","4","1") = "6"
    & skf21("5","2","7","2","1","3","5","1") = "6"
    & skf21("5","2","7","2","1","3","6","1") = "6"
    & skf21("5","2","7","2","1","3","7","1") = "6"
    & skf21("5","2","7","2","1","4","1","1") = "6"
    & skf21("5","2","7","2","1","4","2","1") = "6"
    & skf21("5","2","7","2","1","4","3","1") = "6"
    & skf21("5","2","7","2","1","4","4","1") = "6"
    & skf21("5","2","7","2","1","4","5","1") = "6"
    & skf21("5","2","7","2","1","4","6","1") = "6"
    & skf21("5","2","7","2","1","4","7","1") = "6"
    & skf21("5","2","7","2","1","5","1","1") = "6"
    & skf21("5","2","7","2","1","5","2","1") = "6"
    & skf21("5","2","7","2","1","5","3","1") = "6"
    & skf21("5","2","7","2","1","5","4","1") = "6"
    & skf21("5","2","7","2","1","5","5","1") = "6"
    & skf21("5","2","7","2","1","5","6","1") = "6"
    & skf21("5","2","7","2","1","5","7","1") = "6"
    & skf21("5","2","7","2","1","6","1","1") = "6"
    & skf21("5","2","7","2","1","6","2","1") = "6"
    & skf21("5","2","7","2","1","6","3","1") = "6"
    & skf21("5","2","7","2","1","6","4","1") = "6"
    & skf21("5","2","7","2","1","6","5","1") = "6"
    & skf21("5","2","7","2","1","6","6","1") = "6"
    & skf21("5","2","7","2","1","6","7","1") = "6"
    & skf21("5","2","7","2","1","7","1","1") = "6"
    & skf21("5","2","7","2","1","7","2","1") = "6"
    & skf21("5","2","7","2","1","7","3","1") = "6"
    & skf21("5","2","7","2","1","7","4","1") = "6"
    & skf21("5","2","7","2","1","7","5","1") = "6"
    & skf21("5","2","7","2","1","7","6","1") = "6"
    & skf21("5","2","7","2","1","7","7","1") = "6"
    & skf21("5","2","7","2","2","1","1","1") = "6"
    & skf21("5","2","7","2","2","1","2","1") = "6"
    & skf21("5","2","7","2","2","1","3","1") = "6"
    & skf21("5","2","7","2","2","1","4","1") = "6"
    & skf21("5","2","7","2","2","1","5","1") = "6"
    & skf21("5","2","7","2","2","1","6","1") = "6"
    & skf21("5","2","7","2","2","1","7","1") = "6"
    & skf21("5","2","7","2","2","2","1","1") = "6"
    & skf21("5","2","7","2","2","2","2","1") = "6"
    & skf21("5","2","7","2","2","2","3","1") = "6"
    & skf21("5","2","7","2","2","2","4","1") = "6"
    & skf21("5","2","7","2","2","2","5","1") = "6"
    & skf21("5","2","7","2","2","2","6","1") = "6"
    & skf21("5","2","7","2","2","2","7","1") = "6"
    & skf21("5","2","7","2","2","3","1","1") = "6"
    & skf21("5","2","7","2","2","3","2","1") = "6"
    & skf21("5","2","7","2","2","3","3","1") = "6"
    & skf21("5","2","7","2","2","3","4","1") = "6"
    & skf21("5","2","7","2","2","3","5","1") = "6"
    & skf21("5","2","7","2","2","3","6","1") = "6"
    & skf21("5","2","7","2","2","3","7","1") = "6"
    & skf21("5","2","7","2","2","4","1","1") = "6"
    & skf21("5","2","7","2","2","4","2","1") = "6"
    & skf21("5","2","7","2","2","4","3","1") = "6"
    & skf21("5","2","7","2","2","4","4","1") = "6"
    & skf21("5","2","7","2","2","4","5","1") = "6"
    & skf21("5","2","7","2","2","4","6","1") = "6"
    & skf21("5","2","7","2","2","4","7","1") = "6"
    & skf21("5","2","7","2","2","5","1","1") = "6"
    & skf21("5","2","7","2","2","5","2","1") = "6"
    & skf21("5","2","7","2","2","5","3","1") = "6"
    & skf21("5","2","7","2","2","5","4","1") = "6"
    & skf21("5","2","7","2","2","5","5","1") = "6"
    & skf21("5","2","7","2","2","5","6","1") = "6"
    & skf21("5","2","7","2","2","5","7","1") = "6"
    & skf21("5","2","7","2","2","6","1","1") = "6"
    & skf21("5","2","7","2","2","6","2","1") = "6"
    & skf21("5","2","7","2","2","6","3","1") = "6"
    & skf21("5","2","7","2","2","6","4","1") = "6"
    & skf21("5","2","7","2","2","6","5","1") = "6"
    & skf21("5","2","7","2","2","6","6","1") = "6"
    & skf21("5","2","7","2","2","6","7","1") = "6"
    & skf21("5","2","7","2","2","7","1","1") = "6"
    & skf21("5","2","7","2","2","7","2","1") = "6"
    & skf21("5","2","7","2","2","7","3","1") = "6"
    & skf21("5","2","7","2","2","7","4","1") = "6"
    & skf21("5","2","7","2","2","7","5","1") = "6"
    & skf21("5","2","7","2","2","7","6","1") = "6"
    & skf21("5","2","7","2","2","7","7","1") = "6"
    & skf21("5","2","7","2","3","1","1","1") = "6"
    & skf21("5","2","7","2","3","1","2","1") = "6"
    & skf21("5","2","7","2","3","1","3","1") = "6"
    & skf21("5","2","7","2","3","1","4","1") = "6"
    & skf21("5","2","7","2","3","1","5","1") = "6"
    & skf21("5","2","7","2","3","1","6","1") = "6"
    & skf21("5","2","7","2","3","1","7","1") = "6"
    & skf21("5","2","7","2","3","2","1","1") = "6"
    & skf21("5","2","7","2","3","2","2","1") = "6"
    & skf21("5","2","7","2","3","2","3","1") = "6"
    & skf21("5","2","7","2","3","2","4","1") = "6"
    & skf21("5","2","7","2","3","2","5","1") = "6"
    & skf21("5","2","7","2","3","2","6","1") = "6"
    & skf21("5","2","7","2","3","2","7","1") = "6"
    & skf21("5","2","7","2","3","3","1","1") = "6"
    & skf21("5","2","7","2","3","3","2","1") = "6"
    & skf21("5","2","7","2","3","3","3","1") = "6"
    & skf21("5","2","7","2","3","3","4","1") = "6"
    & skf21("5","2","7","2","3","3","5","1") = "6"
    & skf21("5","2","7","2","3","3","6","1") = "6"
    & skf21("5","2","7","2","3","3","7","1") = "6"
    & skf21("5","2","7","2","3","4","1","1") = "6"
    & skf21("5","2","7","2","3","4","2","1") = "6"
    & skf21("5","2","7","2","3","4","3","1") = "6"
    & skf21("5","2","7","2","3","4","4","1") = "6"
    & skf21("5","2","7","2","3","4","5","1") = "6"
    & skf21("5","2","7","2","3","4","6","1") = "6"
    & skf21("5","2","7","2","3","4","7","1") = "6"
    & skf21("5","2","7","2","3","5","1","1") = "6"
    & skf21("5","2","7","2","3","5","2","1") = "6"
    & skf21("5","2","7","2","3","5","3","1") = "6"
    & skf21("5","2","7","2","3","5","4","1") = "6"
    & skf21("5","2","7","2","3","5","5","1") = "6"
    & skf21("5","2","7","2","3","5","6","1") = "6"
    & skf21("5","2","7","2","3","5","7","1") = "6"
    & skf21("5","2","7","2","3","6","1","1") = "6"
    & skf21("5","2","7","2","3","6","2","1") = "6"
    & skf21("5","2","7","2","3","6","3","1") = "6"
    & skf21("5","2","7","2","3","6","4","1") = "6"
    & skf21("5","2","7","2","3","6","5","1") = "6"
    & skf21("5","2","7","2","3","6","6","1") = "6"
    & skf21("5","2","7","2","3","6","7","1") = "6"
    & skf21("5","2","7","2","3","7","1","1") = "6"
    & skf21("5","2","7","2","3","7","2","1") = "6"
    & skf21("5","2","7","2","3","7","3","1") = "6"
    & skf21("5","2","7","2","3","7","4","1") = "6"
    & skf21("5","2","7","2","3","7","5","1") = "6"
    & skf21("5","2","7","2","3","7","6","1") = "6"
    & skf21("5","2","7","2","3","7","7","1") = "6"
    & skf21("5","2","7","2","4","1","1","1") = "6"
    & skf21("5","2","7","2","4","1","2","1") = "6"
    & skf21("5","2","7","2","4","1","3","1") = "6"
    & skf21("5","2","7","2","4","1","4","1") = "6"
    & skf21("5","2","7","2","4","1","5","1") = "6"
    & skf21("5","2","7","2","4","1","6","1") = "6"
    & skf21("5","2","7","2","4","1","7","1") = "6"
    & skf21("5","2","7","2","4","2","1","1") = "6"
    & skf21("5","2","7","2","4","2","2","1") = "6"
    & skf21("5","2","7","2","4","2","3","1") = "6"
    & skf21("5","2","7","2","4","2","4","1") = "6"
    & skf21("5","2","7","2","4","2","5","1") = "6"
    & skf21("5","2","7","2","4","2","6","1") = "6"
    & skf21("5","2","7","2","4","2","7","1") = "6"
    & skf21("5","2","7","2","4","3","1","1") = "6"
    & skf21("5","2","7","2","4","3","2","1") = "6"
    & skf21("5","2","7","2","4","3","3","1") = "6"
    & skf21("5","2","7","2","4","3","4","1") = "6"
    & skf21("5","2","7","2","4","3","5","1") = "6"
    & skf21("5","2","7","2","4","3","6","1") = "6"
    & skf21("5","2","7","2","4","3","7","1") = "6"
    & skf21("5","2","7","2","4","4","1","1") = "6"
    & skf21("5","2","7","2","4","4","2","1") = "6"
    & skf21("5","2","7","2","4","4","3","1") = "6"
    & skf21("5","2","7","2","4","4","4","1") = "6"
    & skf21("5","2","7","2","4","4","5","1") = "6"
    & skf21("5","2","7","2","4","4","6","1") = "6"
    & skf21("5","2","7","2","4","4","7","1") = "6"
    & skf21("5","2","7","2","4","5","1","1") = "6"
    & skf21("5","2","7","2","4","5","2","1") = "6"
    & skf21("5","2","7","2","4","5","3","1") = "6"
    & skf21("5","2","7","2","4","5","4","1") = "6"
    & skf21("5","2","7","2","4","5","5","1") = "6"
    & skf21("5","2","7","2","4","5","6","1") = "6"
    & skf21("5","2","7","2","4","5","7","1") = "6"
    & skf21("5","2","7","2","4","6","1","1") = "6"
    & skf21("5","2","7","2","4","6","2","1") = "6"
    & skf21("5","2","7","2","4","6","3","1") = "6"
    & skf21("5","2","7","2","4","6","4","1") = "6"
    & skf21("5","2","7","2","4","6","5","1") = "6"
    & skf21("5","2","7","2","4","6","6","1") = "6"
    & skf21("5","2","7","2","4","6","7","1") = "6"
    & skf21("5","2","7","2","4","7","1","1") = "6"
    & skf21("5","2","7","2","4","7","2","1") = "6"
    & skf21("5","2","7","2","4","7","3","1") = "6"
    & skf21("5","2","7","2","4","7","4","1") = "6"
    & skf21("5","2","7","2","4","7","5","1") = "6"
    & skf21("5","2","7","2","4","7","6","1") = "6"
    & skf21("5","2","7","2","4","7","7","1") = "6"
    & skf21("5","2","7","2","5","1","1","1") = "6"
    & skf21("5","2","7","2","5","1","2","1") = "6"
    & skf21("5","2","7","2","5","1","3","1") = "6"
    & skf21("5","2","7","2","5","1","4","1") = "6"
    & skf21("5","2","7","2","5","1","5","1") = "6"
    & skf21("5","2","7","2","5","1","6","1") = "6"
    & skf21("5","2","7","2","5","1","7","1") = "6"
    & skf21("5","2","7","2","5","2","1","1") = "6"
    & skf21("5","2","7","2","5","2","2","1") = "6"
    & skf21("5","2","7","2","5","2","3","1") = "6"
    & skf21("5","2","7","2","5","2","4","1") = "6"
    & skf21("5","2","7","2","5","2","5","1") = "6"
    & skf21("5","2","7","2","5","2","6","1") = "6"
    & skf21("5","2","7","2","5","2","7","1") = "6"
    & skf21("5","2","7","2","5","3","1","1") = "6"
    & skf21("5","2","7","2","5","3","2","1") = "6"
    & skf21("5","2","7","2","5","3","3","1") = "6"
    & skf21("5","2","7","2","5","3","4","1") = "6"
    & skf21("5","2","7","2","5","3","5","1") = "6"
    & skf21("5","2","7","2","5","3","6","1") = "6"
    & skf21("5","2","7","2","5","3","7","1") = "6"
    & skf21("5","2","7","2","5","4","1","1") = "6"
    & skf21("5","2","7","2","5","4","2","1") = "6"
    & skf21("5","2","7","2","5","4","3","1") = "6"
    & skf21("5","2","7","2","5","4","4","1") = "6"
    & skf21("5","2","7","2","5","4","5","1") = "6"
    & skf21("5","2","7","2","5","4","6","1") = "6"
    & skf21("5","2","7","2","5","4","7","1") = "6"
    & skf21("5","2","7","2","5","5","1","1") = "6"
    & skf21("5","2","7","2","5","5","2","1") = "6"
    & skf21("5","2","7","2","5","5","3","1") = "6"
    & skf21("5","2","7","2","5","5","4","1") = "6"
    & skf21("5","2","7","2","5","5","5","1") = "6"
    & skf21("5","2","7","2","5","5","6","1") = "6"
    & skf21("5","2","7","2","5","5","7","1") = "6"
    & skf21("5","2","7","2","5","6","1","1") = "6"
    & skf21("5","2","7","2","5","6","2","1") = "6"
    & skf21("5","2","7","2","5","6","3","1") = "6"
    & skf21("5","2","7","2","5","6","4","1") = "6"
    & skf21("5","2","7","2","5","6","5","1") = "6"
    & skf21("5","2","7","2","5","6","6","1") = "6"
    & skf21("5","2","7","2","5","6","7","1") = "6"
    & skf21("5","2","7","2","5","7","1","1") = "6"
    & skf21("5","2","7","2","5","7","2","1") = "6"
    & skf21("5","2","7","2","5","7","3","1") = "6"
    & skf21("5","2","7","2","5","7","4","1") = "6"
    & skf21("5","2","7","2","5","7","5","1") = "6"
    & skf21("5","2","7","2","5","7","6","1") = "6"
    & skf21("5","2","7","2","5","7","7","1") = "6"
    & skf21("5","2","7","2","6","1","1","1") = "6"
    & skf21("5","2","7","2","6","1","2","1") = "6"
    & skf21("5","2","7","2","6","1","3","1") = "6"
    & skf21("5","2","7","2","6","1","4","1") = "6"
    & skf21("5","2","7","2","6","1","5","1") = "6"
    & skf21("5","2","7","2","6","1","6","1") = "6"
    & skf21("5","2","7","2","6","1","7","1") = "6"
    & skf21("5","2","7","2","6","2","1","1") = "6"
    & skf21("5","2","7","2","6","2","2","1") = "6"
    & skf21("5","2","7","2","6","2","3","1") = "6"
    & skf21("5","2","7","2","6","2","4","1") = "6"
    & skf21("5","2","7","2","6","2","5","1") = "6"
    & skf21("5","2","7","2","6","2","6","1") = "6"
    & skf21("5","2","7","2","6","2","7","1") = "6"
    & skf21("5","2","7","2","6","3","1","1") = "6"
    & skf21("5","2","7","2","6","3","2","1") = "6"
    & skf21("5","2","7","2","6","3","3","1") = "6"
    & skf21("5","2","7","2","6","3","4","1") = "6"
    & skf21("5","2","7","2","6","3","5","1") = "6"
    & skf21("5","2","7","2","6","3","6","1") = "6"
    & skf21("5","2","7","2","6","3","7","1") = "6"
    & skf21("5","2","7","2","6","4","1","1") = "6"
    & skf21("5","2","7","2","6","4","2","1") = "6"
    & skf21("5","2","7","2","6","4","3","1") = "6"
    & skf21("5","2","7","2","6","4","4","1") = "6"
    & skf21("5","2","7","2","6","4","5","1") = "6"
    & skf21("5","2","7","2","6","4","6","1") = "6"
    & skf21("5","2","7","2","6","4","7","1") = "6"
    & skf21("5","2","7","2","6","5","1","1") = "6"
    & skf21("5","2","7","2","6","5","2","1") = "6"
    & skf21("5","2","7","2","6","5","3","1") = "6"
    & skf21("5","2","7","2","6","5","4","1") = "6"
    & skf21("5","2","7","2","6","5","5","1") = "6"
    & skf21("5","2","7","2","6","5","6","1") = "6"
    & skf21("5","2","7","2","6","5","7","1") = "6"
    & skf21("5","2","7","2","6","6","1","1") = "6"
    & skf21("5","2","7","2","6","6","2","1") = "6"
    & skf21("5","2","7","2","6","6","3","1") = "6"
    & skf21("5","2","7","2","6","6","4","1") = "6"
    & skf21("5","2","7","2","6","6","5","1") = "6"
    & skf21("5","2","7","2","6","6","6","1") = "6"
    & skf21("5","2","7","2","6","6","7","1") = "6"
    & skf21("5","2","7","2","6","7","1","1") = "6"
    & skf21("5","2","7","2","6","7","2","1") = "6"
    & skf21("5","2","7","2","6","7","3","1") = "6"
    & skf21("5","2","7","2","6","7","4","1") = "6"
    & skf21("5","2","7","2","6","7","5","1") = "6"
    & skf21("5","2","7","2","6","7","6","1") = "6"
    & skf21("5","2","7","2","6","7","7","1") = "6"
    & skf21("5","2","7","2","7","1","1","1") = "6"
    & skf21("5","2","7","2","7","1","2","1") = "6"
    & skf21("5","2","7","2","7","1","3","1") = "6"
    & skf21("5","2","7","2","7","1","4","1") = "6"
    & skf21("5","2","7","2","7","1","5","1") = "6"
    & skf21("5","2","7","2","7","1","6","1") = "6"
    & skf21("5","2","7","2","7","1","7","1") = "6"
    & skf21("5","2","7","2","7","2","1","1") = "6"
    & skf21("5","2","7","2","7","2","2","1") = "6"
    & skf21("5","2","7","2","7","2","3","1") = "6"
    & skf21("5","2","7","2","7","2","4","1") = "6"
    & skf21("5","2","7","2","7","2","5","1") = "6"
    & skf21("5","2","7","2","7","2","6","1") = "6"
    & skf21("5","2","7","2","7","2","7","1") = "6"
    & skf21("5","2","7","2","7","3","1","1") = "6"
    & skf21("5","2","7","2","7","3","2","1") = "6"
    & skf21("5","2","7","2","7","3","3","1") = "6"
    & skf21("5","2","7","2","7","3","4","1") = "6"
    & skf21("5","2","7","2","7","3","5","1") = "6"
    & skf21("5","2","7","2","7","3","6","1") = "6"
    & skf21("5","2","7","2","7","3","7","1") = "6"
    & skf21("5","2","7","2","7","4","1","1") = "6"
    & skf21("5","2","7","2","7","4","2","1") = "6"
    & skf21("5","2","7","2","7","4","3","1") = "6"
    & skf21("5","2","7","2","7","4","4","1") = "6"
    & skf21("5","2","7","2","7","4","5","1") = "6"
    & skf21("5","2","7","2","7","4","6","1") = "6"
    & skf21("5","2","7","2","7","4","7","1") = "6"
    & skf21("5","2","7","2","7","5","1","1") = "6"
    & skf21("5","2","7","2","7","5","2","1") = "6"
    & skf21("5","2","7","2","7","5","3","1") = "6"
    & skf21("5","2","7","2","7","5","4","1") = "6"
    & skf21("5","2","7","2","7","5","5","1") = "6"
    & skf21("5","2","7","2","7","5","6","1") = "6"
    & skf21("5","2","7","2","7","5","7","1") = "6"
    & skf21("5","2","7","2","7","6","1","1") = "6"
    & skf21("5","2","7","2","7","6","2","1") = "6"
    & skf21("5","2","7","2","7","6","3","1") = "6"
    & skf21("5","2","7","2","7","6","4","1") = "6"
    & skf21("5","2","7","2","7","6","5","1") = "6"
    & skf21("5","2","7","2","7","6","6","1") = "6"
    & skf21("5","2","7","2","7","6","7","1") = "6"
    & skf21("5","2","7","2","7","7","1","1") = "6"
    & skf21("5","2","7","2","7","7","2","1") = "6"
    & skf21("5","2","7","2","7","7","3","1") = "6"
    & skf21("5","2","7","2","7","7","4","1") = "6"
    & skf21("5","2","7","2","7","7","5","1") = "6"
    & skf21("5","2","7","2","7","7","6","1") = "6"
    & skf21("5","2","7","2","7","7","7","1") = "6"
    & skf21("5","2","7","3","1","1","1","1") = "6"
    & skf21("5","2","7","3","1","1","2","1") = "6"
    & skf21("5","2","7","3","1","1","3","1") = "6"
    & skf21("5","2","7","3","1","1","4","1") = "6"
    & skf21("5","2","7","3","1","1","5","1") = "6"
    & skf21("5","2","7","3","1","1","6","1") = "6"
    & skf21("5","2","7","3","1","1","7","1") = "6"
    & skf21("5","2","7","3","1","2","1","1") = "6"
    & skf21("5","2","7","3","1","2","2","1") = "6"
    & skf21("5","2","7","3","1","2","3","1") = "6"
    & skf21("5","2","7","3","1","2","4","1") = "6"
    & skf21("5","2","7","3","1","2","5","1") = "6"
    & skf21("5","2","7","3","1","2","6","1") = "6"
    & skf21("5","2","7","3","1","2","7","1") = "6"
    & skf21("5","2","7","3","1","3","1","1") = "6"
    & skf21("5","2","7","3","1","3","2","1") = "6"
    & skf21("5","2","7","3","1","3","3","1") = "6"
    & skf21("5","2","7","3","1","3","4","1") = "6"
    & skf21("5","2","7","3","1","3","5","1") = "6"
    & skf21("5","2","7","3","1","3","6","1") = "6"
    & skf21("5","2","7","3","1","3","7","1") = "6"
    & skf21("5","2","7","3","1","4","1","1") = "6"
    & skf21("5","2","7","3","1","4","2","1") = "6"
    & skf21("5","2","7","3","1","4","3","1") = "6"
    & skf21("5","2","7","3","1","4","4","1") = "6"
    & skf21("5","2","7","3","1","4","5","1") = "6"
    & skf21("5","2","7","3","1","4","6","1") = "6"
    & skf21("5","2","7","3","1","4","7","1") = "6"
    & skf21("5","2","7","3","1","5","1","1") = "6"
    & skf21("5","2","7","3","1","5","2","1") = "6"
    & skf21("5","2","7","3","1","5","3","1") = "6"
    & skf21("5","2","7","3","1","5","4","1") = "6"
    & skf21("5","2","7","3","1","5","5","1") = "6"
    & skf21("5","2","7","3","1","5","6","1") = "6"
    & skf21("5","2","7","3","1","5","7","1") = "6"
    & skf21("5","2","7","3","1","6","1","1") = "6"
    & skf21("5","2","7","3","1","6","2","1") = "6"
    & skf21("5","2","7","3","1","6","3","1") = "6"
    & skf21("5","2","7","3","1","6","4","1") = "6"
    & skf21("5","2","7","3","1","6","5","1") = "6"
    & skf21("5","2","7","3","1","6","6","1") = "6"
    & skf21("5","2","7","3","1","6","7","1") = "6"
    & skf21("5","2","7","3","1","7","1","1") = "6"
    & skf21("5","2","7","3","1","7","2","1") = "6"
    & skf21("5","2","7","3","1","7","3","1") = "6"
    & skf21("5","2","7","3","1","7","4","1") = "6"
    & skf21("5","2","7","3","1","7","5","1") = "6"
    & skf21("5","2","7","3","1","7","6","1") = "6"
    & skf21("5","2","7","3","1","7","7","1") = "6"
    & skf21("5","2","7","3","2","1","1","1") = "6"
    & skf21("5","2","7","3","2","1","2","1") = "6"
    & skf21("5","2","7","3","2","1","3","1") = "6"
    & skf21("5","2","7","3","2","1","4","1") = "6"
    & skf21("5","2","7","3","2","1","5","1") = "6"
    & skf21("5","2","7","3","2","1","6","1") = "6"
    & skf21("5","2","7","3","2","1","7","1") = "6"
    & skf21("5","2","7","3","2","2","1","1") = "6"
    & skf21("5","2","7","3","2","2","2","1") = "6"
    & skf21("5","2","7","3","2","2","3","1") = "6"
    & skf21("5","2","7","3","2","2","4","1") = "6"
    & skf21("5","2","7","3","2","2","5","1") = "6"
    & skf21("5","2","7","3","2","2","6","1") = "6"
    & skf21("5","2","7","3","2","2","7","1") = "6"
    & skf21("5","2","7","3","2","3","1","1") = "6"
    & skf21("5","2","7","3","2","3","2","1") = "6"
    & skf21("5","2","7","3","2","3","3","1") = "6"
    & skf21("5","2","7","3","2","3","4","1") = "6"
    & skf21("5","2","7","3","2","3","5","1") = "6"
    & skf21("5","2","7","3","2","3","6","1") = "6"
    & skf21("5","2","7","3","2","3","7","1") = "6"
    & skf21("5","2","7","3","2","4","1","1") = "6"
    & skf21("5","2","7","3","2","4","2","1") = "6"
    & skf21("5","2","7","3","2","4","3","1") = "6"
    & skf21("5","2","7","3","2","4","4","1") = "6"
    & skf21("5","2","7","3","2","4","5","1") = "6"
    & skf21("5","2","7","3","2","4","6","1") = "6"
    & skf21("5","2","7","3","2","4","7","1") = "6"
    & skf21("5","2","7","3","2","5","1","1") = "6"
    & skf21("5","2","7","3","2","5","2","1") = "6"
    & skf21("5","2","7","3","2","5","3","1") = "6"
    & skf21("5","2","7","3","2","5","4","1") = "6"
    & skf21("5","2","7","3","2","5","5","1") = "6"
    & skf21("5","2","7","3","2","5","6","1") = "6"
    & skf21("5","2","7","3","2","5","7","1") = "6"
    & skf21("5","2","7","3","2","6","1","1") = "6"
    & skf21("5","2","7","3","2","6","2","1") = "6"
    & skf21("5","2","7","3","2","6","3","1") = "6"
    & skf21("5","2","7","3","2","6","4","1") = "6"
    & skf21("5","2","7","3","2","6","5","1") = "6"
    & skf21("5","2","7","3","2","6","6","1") = "6"
    & skf21("5","2","7","3","2","6","7","1") = "6"
    & skf21("5","2","7","3","2","7","1","1") = "6"
    & skf21("5","2","7","3","2","7","2","1") = "6"
    & skf21("5","2","7","3","2","7","3","1") = "6"
    & skf21("5","2","7","3","2","7","4","1") = "6"
    & skf21("5","2","7","3","2","7","5","1") = "6"
    & skf21("5","2","7","3","2","7","6","1") = "6"
    & skf21("5","2","7","3","2","7","7","1") = "6"
    & skf21("5","2","7","3","3","1","1","1") = "6"
    & skf21("5","2","7","3","3","1","2","1") = "6"
    & skf21("5","2","7","3","3","1","3","1") = "6"
    & skf21("5","2","7","3","3","1","4","1") = "6"
    & skf21("5","2","7","3","3","1","5","1") = "6"
    & skf21("5","2","7","3","3","1","6","1") = "6"
    & skf21("5","2","7","3","3","1","7","1") = "6"
    & skf21("5","2","7","3","3","2","1","1") = "6"
    & skf21("5","2","7","3","3","2","2","1") = "6"
    & skf21("5","2","7","3","3","2","3","1") = "6"
    & skf21("5","2","7","3","3","2","4","1") = "6"
    & skf21("5","2","7","3","3","2","5","1") = "6"
    & skf21("5","2","7","3","3","2","6","1") = "6"
    & skf21("5","2","7","3","3","2","7","1") = "6"
    & skf21("5","2","7","3","3","3","1","1") = "6"
    & skf21("5","2","7","3","3","3","2","1") = "6"
    & skf21("5","2","7","3","3","3","3","1") = "6"
    & skf21("5","2","7","3","3","3","4","1") = "6"
    & skf21("5","2","7","3","3","3","5","1") = "6"
    & skf21("5","2","7","3","3","3","6","1") = "6"
    & skf21("5","2","7","3","3","3","7","1") = "6"
    & skf21("5","2","7","3","3","4","1","1") = "6"
    & skf21("5","2","7","3","3","4","2","1") = "6"
    & skf21("5","2","7","3","3","4","3","1") = "6"
    & skf21("5","2","7","3","3","4","4","1") = "6"
    & skf21("5","2","7","3","3","4","5","1") = "6"
    & skf21("5","2","7","3","3","4","6","1") = "6"
    & skf21("5","2","7","3","3","4","7","1") = "6"
    & skf21("5","2","7","3","3","5","1","1") = "6"
    & skf21("5","2","7","3","3","5","2","1") = "6"
    & skf21("5","2","7","3","3","5","3","1") = "6"
    & skf21("5","2","7","3","3","5","4","1") = "6"
    & skf21("5","2","7","3","3","5","5","1") = "6"
    & skf21("5","2","7","3","3","5","6","1") = "6"
    & skf21("5","2","7","3","3","5","7","1") = "6"
    & skf21("5","2","7","3","3","6","1","1") = "6"
    & skf21("5","2","7","3","3","6","2","1") = "6"
    & skf21("5","2","7","3","3","6","3","1") = "6"
    & skf21("5","2","7","3","3","6","4","1") = "6"
    & skf21("5","2","7","3","3","6","5","1") = "6"
    & skf21("5","2","7","3","3","6","6","1") = "6"
    & skf21("5","2","7","3","3","6","7","1") = "6"
    & skf21("5","2","7","3","3","7","1","1") = "6"
    & skf21("5","2","7","3","3","7","2","1") = "6"
    & skf21("5","2","7","3","3","7","3","1") = "6"
    & skf21("5","2","7","3","3","7","4","1") = "6"
    & skf21("5","2","7","3","3","7","5","1") = "6"
    & skf21("5","2","7","3","3","7","6","1") = "6"
    & skf21("5","2","7","3","3","7","7","1") = "6"
    & skf21("5","2","7","3","4","1","1","1") = "6"
    & skf21("5","2","7","3","4","1","2","1") = "6"
    & skf21("5","2","7","3","4","1","3","1") = "6"
    & skf21("5","2","7","3","4","1","4","1") = "6"
    & skf21("5","2","7","3","4","1","5","1") = "6"
    & skf21("5","2","7","3","4","1","6","1") = "6"
    & skf21("5","2","7","3","4","1","7","1") = "6"
    & skf21("5","2","7","3","4","2","1","1") = "6"
    & skf21("5","2","7","3","4","2","2","1") = "6"
    & skf21("5","2","7","3","4","2","3","1") = "6"
    & skf21("5","2","7","3","4","2","4","1") = "6"
    & skf21("5","2","7","3","4","2","5","1") = "6"
    & skf21("5","2","7","3","4","2","6","1") = "6"
    & skf21("5","2","7","3","4","2","7","1") = "6"
    & skf21("5","2","7","3","4","3","1","1") = "6"
    & skf21("5","2","7","3","4","3","2","1") = "6"
    & skf21("5","2","7","3","4","3","3","1") = "6"
    & skf21("5","2","7","3","4","3","4","1") = "6"
    & skf21("5","2","7","3","4","3","5","1") = "6"
    & skf21("5","2","7","3","4","3","6","1") = "6"
    & skf21("5","2","7","3","4","3","7","1") = "6"
    & skf21("5","2","7","3","4","4","1","1") = "6"
    & skf21("5","2","7","3","4","4","2","1") = "6"
    & skf21("5","2","7","3","4","4","3","1") = "6"
    & skf21("5","2","7","3","4","4","4","1") = "6"
    & skf21("5","2","7","3","4","4","5","1") = "6"
    & skf21("5","2","7","3","4","4","6","1") = "6"
    & skf21("5","2","7","3","4","4","7","1") = "6"
    & skf21("5","2","7","3","4","5","1","1") = "6"
    & skf21("5","2","7","3","4","5","2","1") = "6"
    & skf21("5","2","7","3","4","5","3","1") = "6"
    & skf21("5","2","7","3","4","5","4","1") = "6"
    & skf21("5","2","7","3","4","5","5","1") = "6"
    & skf21("5","2","7","3","4","5","6","1") = "6"
    & skf21("5","2","7","3","4","5","7","1") = "6"
    & skf21("5","2","7","3","4","6","1","1") = "6"
    & skf21("5","2","7","3","4","6","2","1") = "6"
    & skf21("5","2","7","3","4","6","3","1") = "6"
    & skf21("5","2","7","3","4","6","4","1") = "6"
    & skf21("5","2","7","3","4","6","5","1") = "6"
    & skf21("5","2","7","3","4","6","6","1") = "6"
    & skf21("5","2","7","3","4","6","7","1") = "6"
    & skf21("5","2","7","3","4","7","1","1") = "6"
    & skf21("5","2","7","3","4","7","2","1") = "6"
    & skf21("5","2","7","3","4","7","3","1") = "6"
    & skf21("5","2","7","3","4","7","4","1") = "6"
    & skf21("5","2","7","3","4","7","5","1") = "6"
    & skf21("5","2","7","3","4","7","6","1") = "6"
    & skf21("5","2","7","3","4","7","7","1") = "6"
    & skf21("5","2","7","3","5","1","1","1") = "6"
    & skf21("5","2","7","3","5","1","2","1") = "6"
    & skf21("5","2","7","3","5","1","3","1") = "6"
    & skf21("5","2","7","3","5","1","4","1") = "6"
    & skf21("5","2","7","3","5","1","5","1") = "6"
    & skf21("5","2","7","3","5","1","6","1") = "6"
    & skf21("5","2","7","3","5","1","7","1") = "6"
    & skf21("5","2","7","3","5","2","1","1") = "6"
    & skf21("5","2","7","3","5","2","2","1") = "6"
    & skf21("5","2","7","3","5","2","3","1") = "6"
    & skf21("5","2","7","3","5","2","4","1") = "6"
    & skf21("5","2","7","3","5","2","5","1") = "6"
    & skf21("5","2","7","3","5","2","6","1") = "6"
    & skf21("5","2","7","3","5","2","7","1") = "6"
    & skf21("5","2","7","3","5","3","1","1") = "6"
    & skf21("5","2","7","3","5","3","2","1") = "6"
    & skf21("5","2","7","3","5","3","3","1") = "6"
    & skf21("5","2","7","3","5","3","4","1") = "6"
    & skf21("5","2","7","3","5","3","5","1") = "6"
    & skf21("5","2","7","3","5","3","6","1") = "6"
    & skf21("5","2","7","3","5","3","7","1") = "6"
    & skf21("5","2","7","3","5","4","1","1") = "6"
    & skf21("5","2","7","3","5","4","2","1") = "6"
    & skf21("5","2","7","3","5","4","3","1") = "6"
    & skf21("5","2","7","3","5","4","4","1") = "6"
    & skf21("5","2","7","3","5","4","5","1") = "6"
    & skf21("5","2","7","3","5","4","6","1") = "6"
    & skf21("5","2","7","3","5","4","7","1") = "6"
    & skf21("5","2","7","3","5","5","1","1") = "6"
    & skf21("5","2","7","3","5","5","2","1") = "6"
    & skf21("5","2","7","3","5","5","3","1") = "6"
    & skf21("5","2","7","3","5","5","4","1") = "6"
    & skf21("5","2","7","3","5","5","5","1") = "6"
    & skf21("5","2","7","3","5","5","6","1") = "6"
    & skf21("5","2","7","3","5","5","7","1") = "6"
    & skf21("5","2","7","3","5","6","1","1") = "6"
    & skf21("5","2","7","3","5","6","2","1") = "6"
    & skf21("5","2","7","3","5","6","3","1") = "6"
    & skf21("5","2","7","3","5","6","4","1") = "6"
    & skf21("5","2","7","3","5","6","5","1") = "6"
    & skf21("5","2","7","3","5","6","6","1") = "6"
    & skf21("5","2","7","3","5","6","7","1") = "6"
    & skf21("5","2","7","3","5","7","1","1") = "6"
    & skf21("5","2","7","3","5","7","2","1") = "6"
    & skf21("5","2","7","3","5","7","3","1") = "6"
    & skf21("5","2","7","3","5","7","4","1") = "6"
    & skf21("5","2","7","3","5","7","5","1") = "6"
    & skf21("5","2","7","3","5","7","6","1") = "6"
    & skf21("5","2","7","3","5","7","7","1") = "6"
    & skf21("5","2","7","3","6","1","1","1") = "6"
    & skf21("5","2","7","3","6","1","2","1") = "6"
    & skf21("5","2","7","3","6","1","3","1") = "6"
    & skf21("5","2","7","3","6","1","4","1") = "6"
    & skf21("5","2","7","3","6","1","5","1") = "6"
    & skf21("5","2","7","3","6","1","6","1") = "6"
    & skf21("5","2","7","3","6","1","7","1") = "6"
    & skf21("5","2","7","3","6","2","1","1") = "6"
    & skf21("5","2","7","3","6","2","2","1") = "6"
    & skf21("5","2","7","3","6","2","3","1") = "6"
    & skf21("5","2","7","3","6","2","4","1") = "6"
    & skf21("5","2","7","3","6","2","5","1") = "6"
    & skf21("5","2","7","3","6","2","6","1") = "6"
    & skf21("5","2","7","3","6","2","7","1") = "6"
    & skf21("5","2","7","3","6","3","1","1") = "6"
    & skf21("5","2","7","3","6","3","2","1") = "6"
    & skf21("5","2","7","3","6","3","3","1") = "6"
    & skf21("5","2","7","3","6","3","4","1") = "6"
    & skf21("5","2","7","3","6","3","5","1") = "6"
    & skf21("5","2","7","3","6","3","6","1") = "6"
    & skf21("5","2","7","3","6","3","7","1") = "6"
    & skf21("5","2","7","3","6","4","1","1") = "6"
    & skf21("5","2","7","3","6","4","2","1") = "6"
    & skf21("5","2","7","3","6","4","3","1") = "6"
    & skf21("5","2","7","3","6","4","4","1") = "6"
    & skf21("5","2","7","3","6","4","5","1") = "6"
    & skf21("5","2","7","3","6","4","6","1") = "6"
    & skf21("5","2","7","3","6","4","7","1") = "6"
    & skf21("5","2","7","3","6","5","1","1") = "6"
    & skf21("5","2","7","3","6","5","2","1") = "6"
    & skf21("5","2","7","3","6","5","3","1") = "6"
    & skf21("5","2","7","3","6","5","4","1") = "6"
    & skf21("5","2","7","3","6","5","5","1") = "6"
    & skf21("5","2","7","3","6","5","6","1") = "6"
    & skf21("5","2","7","3","6","5","7","1") = "6"
    & skf21("5","2","7","3","6","6","1","1") = "6"
    & skf21("5","2","7","3","6","6","2","1") = "6"
    & skf21("5","2","7","3","6","6","3","1") = "6"
    & skf21("5","2","7","3","6","6","4","1") = "6"
    & skf21("5","2","7","3","6","6","5","1") = "6"
    & skf21("5","2","7","3","6","6","6","1") = "6"
    & skf21("5","2","7","3","6","6","7","1") = "6"
    & skf21("5","2","7","3","6","7","1","1") = "6"
    & skf21("5","2","7","3","6","7","2","1") = "6"
    & skf21("5","2","7","3","6","7","3","1") = "6"
    & skf21("5","2","7","3","6","7","4","1") = "6"
    & skf21("5","2","7","3","6","7","5","1") = "6"
    & skf21("5","2","7","3","6","7","6","1") = "6"
    & skf21("5","2","7","3","6","7","7","1") = "6"
    & skf21("5","2","7","3","7","1","1","1") = "6"
    & skf21("5","2","7","3","7","1","2","1") = "6"
    & skf21("5","2","7","3","7","1","3","1") = "6"
    & skf21("5","2","7","3","7","1","4","1") = "6"
    & skf21("5","2","7","3","7","1","5","1") = "6"
    & skf21("5","2","7","3","7","1","6","1") = "6"
    & skf21("5","2","7","3","7","1","7","1") = "6"
    & skf21("5","2","7","3","7","2","1","1") = "6"
    & skf21("5","2","7","3","7","2","2","1") = "6"
    & skf21("5","2","7","3","7","2","3","1") = "6"
    & skf21("5","2","7","3","7","2","4","1") = "6"
    & skf21("5","2","7","3","7","2","5","1") = "6"
    & skf21("5","2","7","3","7","2","6","1") = "6"
    & skf21("5","2","7","3","7","2","7","1") = "6"
    & skf21("5","2","7","3","7","3","1","1") = "6"
    & skf21("5","2","7","3","7","3","2","1") = "6"
    & skf21("5","2","7","3","7","3","3","1") = "6"
    & skf21("5","2","7","3","7","3","4","1") = "6"
    & skf21("5","2","7","3","7","3","5","1") = "6"
    & skf21("5","2","7","3","7","3","6","1") = "6"
    & skf21("5","2","7","3","7","3","7","1") = "6"
    & skf21("5","2","7","3","7","4","1","1") = "6"
    & skf21("5","2","7","3","7","4","2","1") = "6"
    & skf21("5","2","7","3","7","4","3","1") = "6"
    & skf21("5","2","7","3","7","4","4","1") = "6"
    & skf21("5","2","7","3","7","4","5","1") = "6"
    & skf21("5","2","7","3","7","4","6","1") = "6"
    & skf21("5","2","7","3","7","4","7","1") = "6"
    & skf21("5","2","7","3","7","5","1","1") = "6"
    & skf21("5","2","7","3","7","5","2","1") = "6"
    & skf21("5","2","7","3","7","5","3","1") = "6"
    & skf21("5","2","7","3","7","5","4","1") = "6"
    & skf21("5","2","7","3","7","5","5","1") = "6"
    & skf21("5","2","7","3","7","5","6","1") = "6"
    & skf21("5","2","7","3","7","5","7","1") = "6"
    & skf21("5","2","7","3","7","6","1","1") = "6"
    & skf21("5","2","7","3","7","6","2","1") = "6"
    & skf21("5","2","7","3","7","6","3","1") = "6"
    & skf21("5","2","7","3","7","6","4","1") = "6"
    & skf21("5","2","7","3","7","6","5","1") = "6"
    & skf21("5","2","7","3","7","6","6","1") = "6"
    & skf21("5","2","7","3","7","6","7","1") = "6"
    & skf21("5","2","7","3","7","7","1","1") = "6"
    & skf21("5","2","7","3","7","7","2","1") = "6"
    & skf21("5","2","7","3","7","7","3","1") = "6"
    & skf21("5","2","7","3","7","7","4","1") = "6"
    & skf21("5","2","7","3","7","7","5","1") = "6"
    & skf21("5","2","7","3","7","7","6","1") = "6"
    & skf21("5","2","7","3","7","7","7","1") = "6"
    & skf21("5","2","7","4","1","1","1","1") = "6"
    & skf21("5","2","7","4","1","1","2","1") = "6"
    & skf21("5","2","7","4","1","1","3","1") = "6"
    & skf21("5","2","7","4","1","1","4","1") = "6"
    & skf21("5","2","7","4","1","1","5","1") = "6"
    & skf21("5","2","7","4","1","1","6","1") = "6"
    & skf21("5","2","7","4","1","1","7","1") = "6"
    & skf21("5","2","7","4","1","2","1","1") = "6"
    & skf21("5","2","7","4","1","2","2","1") = "6"
    & skf21("5","2","7","4","1","2","3","1") = "6"
    & skf21("5","2","7","4","1","2","4","1") = "6"
    & skf21("5","2","7","4","1","2","5","1") = "6"
    & skf21("5","2","7","4","1","2","6","1") = "6"
    & skf21("5","2","7","4","1","2","7","1") = "6"
    & skf21("5","2","7","4","1","3","1","1") = "6"
    & skf21("5","2","7","4","1","3","2","1") = "6"
    & skf21("5","2","7","4","1","3","3","1") = "6"
    & skf21("5","2","7","4","1","3","4","1") = "6"
    & skf21("5","2","7","4","1","3","5","1") = "6"
    & skf21("5","2","7","4","1","3","6","1") = "6"
    & skf21("5","2","7","4","1","3","7","1") = "6"
    & skf21("5","2","7","4","1","4","1","1") = "6"
    & skf21("5","2","7","4","1","4","2","1") = "6"
    & skf21("5","2","7","4","1","4","3","1") = "6"
    & skf21("5","2","7","4","1","4","4","1") = "6"
    & skf21("5","2","7","4","1","4","5","1") = "6"
    & skf21("5","2","7","4","1","4","6","1") = "6"
    & skf21("5","2","7","4","1","4","7","1") = "6"
    & skf21("5","2","7","4","1","5","1","1") = "6"
    & skf21("5","2","7","4","1","5","2","1") = "6"
    & skf21("5","2","7","4","1","5","3","1") = "6"
    & skf21("5","2","7","4","1","5","4","1") = "6"
    & skf21("5","2","7","4","1","5","5","1") = "6"
    & skf21("5","2","7","4","1","5","6","1") = "6"
    & skf21("5","2","7","4","1","5","7","1") = "6"
    & skf21("5","2","7","4","1","6","1","1") = "6"
    & skf21("5","2","7","4","1","6","2","1") = "6"
    & skf21("5","2","7","4","1","6","3","1") = "6"
    & skf21("5","2","7","4","1","6","4","1") = "6"
    & skf21("5","2","7","4","1","6","5","1") = "6"
    & skf21("5","2","7","4","1","6","6","1") = "6"
    & skf21("5","2","7","4","1","6","7","1") = "6"
    & skf21("5","2","7","4","1","7","1","1") = "6"
    & skf21("5","2","7","4","1","7","2","1") = "6"
    & skf21("5","2","7","4","1","7","3","1") = "6"
    & skf21("5","2","7","4","1","7","4","1") = "6"
    & skf21("5","2","7","4","1","7","5","1") = "6"
    & skf21("5","2","7","4","1","7","6","1") = "6"
    & skf21("5","2","7","4","1","7","7","1") = "6"
    & skf21("5","2","7","4","2","1","1","1") = "6"
    & skf21("5","2","7","4","2","1","2","1") = "6"
    & skf21("5","2","7","4","2","1","3","1") = "6"
    & skf21("5","2","7","4","2","1","4","1") = "6"
    & skf21("5","2","7","4","2","1","5","1") = "6"
    & skf21("5","2","7","4","2","1","6","1") = "6"
    & skf21("5","2","7","4","2","1","7","1") = "6"
    & skf21("5","2","7","4","2","2","1","1") = "6"
    & skf21("5","2","7","4","2","2","2","1") = "6"
    & skf21("5","2","7","4","2","2","3","1") = "6"
    & skf21("5","2","7","4","2","2","4","1") = "6"
    & skf21("5","2","7","4","2","2","5","1") = "6"
    & skf21("5","2","7","4","2","2","6","1") = "6"
    & skf21("5","2","7","4","2","2","7","1") = "6"
    & skf21("5","2","7","4","2","3","1","1") = "6"
    & skf21("5","2","7","4","2","3","2","1") = "6"
    & skf21("5","2","7","4","2","3","3","1") = "6"
    & skf21("5","2","7","4","2","3","4","1") = "6"
    & skf21("5","2","7","4","2","3","5","1") = "6"
    & skf21("5","2","7","4","2","3","6","1") = "6"
    & skf21("5","2","7","4","2","3","7","1") = "6"
    & skf21("5","2","7","4","2","4","1","1") = "6"
    & skf21("5","2","7","4","2","4","2","1") = "6"
    & skf21("5","2","7","4","2","4","3","1") = "6"
    & skf21("5","2","7","4","2","4","4","1") = "6"
    & skf21("5","2","7","4","2","4","5","1") = "6"
    & skf21("5","2","7","4","2","4","6","1") = "6"
    & skf21("5","2","7","4","2","4","7","1") = "6"
    & skf21("5","2","7","4","2","5","1","1") = "6"
    & skf21("5","2","7","4","2","5","2","1") = "6"
    & skf21("5","2","7","4","2","5","3","1") = "6"
    & skf21("5","2","7","4","2","5","4","1") = "6"
    & skf21("5","2","7","4","2","5","5","1") = "6"
    & skf21("5","2","7","4","2","5","6","1") = "6"
    & skf21("5","2","7","4","2","5","7","1") = "6"
    & skf21("5","2","7","4","2","6","1","1") = "6"
    & skf21("5","2","7","4","2","6","2","1") = "6"
    & skf21("5","2","7","4","2","6","3","1") = "6"
    & skf21("5","2","7","4","2","6","4","1") = "6"
    & skf21("5","2","7","4","2","6","5","1") = "6"
    & skf21("5","2","7","4","2","6","6","1") = "6"
    & skf21("5","2","7","4","2","6","7","1") = "6"
    & skf21("5","2","7","4","2","7","1","1") = "6"
    & skf21("5","2","7","4","2","7","2","1") = "6"
    & skf21("5","2","7","4","2","7","3","1") = "6"
    & skf21("5","2","7","4","2","7","4","1") = "6"
    & skf21("5","2","7","4","2","7","5","1") = "6"
    & skf21("5","2","7","4","2","7","6","1") = "6"
    & skf21("5","2","7","4","2","7","7","1") = "6"
    & skf21("5","2","7","4","3","1","1","1") = "6"
    & skf21("5","2","7","4","3","1","2","1") = "6"
    & skf21("5","2","7","4","3","1","3","1") = "6"
    & skf21("5","2","7","4","3","1","4","1") = "6"
    & skf21("5","2","7","4","3","1","5","1") = "6"
    & skf21("5","2","7","4","3","1","6","1") = "6"
    & skf21("5","2","7","4","3","1","7","1") = "6"
    & skf21("5","2","7","4","3","2","1","1") = "6"
    & skf21("5","2","7","4","3","2","2","1") = "6"
    & skf21("5","2","7","4","3","2","3","1") = "6"
    & skf21("5","2","7","4","3","2","4","1") = "6"
    & skf21("5","2","7","4","3","2","5","1") = "6"
    & skf21("5","2","7","4","3","2","6","1") = "6"
    & skf21("5","2","7","4","3","2","7","1") = "6"
    & skf21("5","2","7","4","3","3","1","1") = "6"
    & skf21("5","2","7","4","3","3","2","1") = "6"
    & skf21("5","2","7","4","3","3","3","1") = "6"
    & skf21("5","2","7","4","3","3","4","1") = "6"
    & skf21("5","2","7","4","3","3","5","1") = "6"
    & skf21("5","2","7","4","3","3","6","1") = "6"
    & skf21("5","2","7","4","3","3","7","1") = "6"
    & skf21("5","2","7","4","3","4","1","1") = "6"
    & skf21("5","2","7","4","3","4","2","1") = "6"
    & skf21("5","2","7","4","3","4","3","1") = "6"
    & skf21("5","2","7","4","3","4","4","1") = "6"
    & skf21("5","2","7","4","3","4","5","1") = "6"
    & skf21("5","2","7","4","3","4","6","1") = "6"
    & skf21("5","2","7","4","3","4","7","1") = "6"
    & skf21("5","2","7","4","3","5","1","1") = "6"
    & skf21("5","2","7","4","3","5","2","1") = "6"
    & skf21("5","2","7","4","3","5","3","1") = "6"
    & skf21("5","2","7","4","3","5","4","1") = "6"
    & skf21("5","2","7","4","3","5","5","1") = "6"
    & skf21("5","2","7","4","3","5","6","1") = "6"
    & skf21("5","2","7","4","3","5","7","1") = "6"
    & skf21("5","2","7","4","3","6","1","1") = "6"
    & skf21("5","2","7","4","3","6","2","1") = "6"
    & skf21("5","2","7","4","3","6","3","1") = "6"
    & skf21("5","2","7","4","3","6","4","1") = "6"
    & skf21("5","2","7","4","3","6","5","1") = "6"
    & skf21("5","2","7","4","3","6","6","1") = "6"
    & skf21("5","2","7","4","3","6","7","1") = "6"
    & skf21("5","2","7","4","3","7","1","1") = "6"
    & skf21("5","2","7","4","3","7","2","1") = "6"
    & skf21("5","2","7","4","3","7","3","1") = "6"
    & skf21("5","2","7","4","3","7","4","1") = "6"
    & skf21("5","2","7","4","3","7","5","1") = "6"
    & skf21("5","2","7","4","3","7","6","1") = "6"
    & skf21("5","2","7","4","3","7","7","1") = "6"
    & skf21("5","2","7","4","4","1","1","1") = "6"
    & skf21("5","2","7","4","4","1","2","1") = "6"
    & skf21("5","2","7","4","4","1","3","1") = "6"
    & skf21("5","2","7","4","4","1","4","1") = "6"
    & skf21("5","2","7","4","4","1","5","1") = "6"
    & skf21("5","2","7","4","4","1","6","1") = "6"
    & skf21("5","2","7","4","4","1","7","1") = "6"
    & skf21("5","2","7","4","4","2","1","1") = "6"
    & skf21("5","2","7","4","4","2","2","1") = "6"
    & skf21("5","2","7","4","4","2","3","1") = "6"
    & skf21("5","2","7","4","4","2","4","1") = "6"
    & skf21("5","2","7","4","4","2","5","1") = "6"
    & skf21("5","2","7","4","4","2","6","1") = "6"
    & skf21("5","2","7","4","4","2","7","1") = "6"
    & skf21("5","2","7","4","4","3","1","1") = "6"
    & skf21("5","2","7","4","4","3","2","1") = "6"
    & skf21("5","2","7","4","4","3","3","1") = "6"
    & skf21("5","2","7","4","4","3","4","1") = "6"
    & skf21("5","2","7","4","4","3","5","1") = "6"
    & skf21("5","2","7","4","4","3","6","1") = "6"
    & skf21("5","2","7","4","4","3","7","1") = "6"
    & skf21("5","2","7","4","4","4","1","1") = "6"
    & skf21("5","2","7","4","4","4","2","1") = "6"
    & skf21("5","2","7","4","4","4","3","1") = "6"
    & skf21("5","2","7","4","4","4","4","1") = "6"
    & skf21("5","2","7","4","4","4","5","1") = "6"
    & skf21("5","2","7","4","4","4","6","1") = "6"
    & skf21("5","2","7","4","4","4","7","1") = "6"
    & skf21("5","2","7","4","4","5","1","1") = "6"
    & skf21("5","2","7","4","4","5","2","1") = "6"
    & skf21("5","2","7","4","4","5","3","1") = "6"
    & skf21("5","2","7","4","4","5","4","1") = "6"
    & skf21("5","2","7","4","4","5","5","1") = "6"
    & skf21("5","2","7","4","4","5","6","1") = "6"
    & skf21("5","2","7","4","4","5","7","1") = "6"
    & skf21("5","2","7","4","4","6","1","1") = "6"
    & skf21("5","2","7","4","4","6","2","1") = "6"
    & skf21("5","2","7","4","4","6","3","1") = "6"
    & skf21("5","2","7","4","4","6","4","1") = "6"
    & skf21("5","2","7","4","4","6","5","1") = "6"
    & skf21("5","2","7","4","4","6","6","1") = "6"
    & skf21("5","2","7","4","4","6","7","1") = "6"
    & skf21("5","2","7","4","4","7","1","1") = "6"
    & skf21("5","2","7","4","4","7","2","1") = "6"
    & skf21("5","2","7","4","4","7","3","1") = "6"
    & skf21("5","2","7","4","4","7","4","1") = "6"
    & skf21("5","2","7","4","4","7","5","1") = "6"
    & skf21("5","2","7","4","4","7","6","1") = "6"
    & skf21("5","2","7","4","4","7","7","1") = "6"
    & skf21("5","2","7","4","5","1","1","1") = "6"
    & skf21("5","2","7","4","5","1","2","1") = "6"
    & skf21("5","2","7","4","5","1","3","1") = "6"
    & skf21("5","2","7","4","5","1","4","1") = "6"
    & skf21("5","2","7","4","5","1","5","1") = "6"
    & skf21("5","2","7","4","5","1","6","1") = "6"
    & skf21("5","2","7","4","5","1","7","1") = "6"
    & skf21("5","2","7","4","5","2","1","1") = "6"
    & skf21("5","2","7","4","5","2","2","1") = "6"
    & skf21("5","2","7","4","5","2","3","1") = "6"
    & skf21("5","2","7","4","5","2","4","1") = "6"
    & skf21("5","2","7","4","5","2","5","1") = "6"
    & skf21("5","2","7","4","5","2","6","1") = "6"
    & skf21("5","2","7","4","5","2","7","1") = "6"
    & skf21("5","2","7","4","5","3","1","1") = "6"
    & skf21("5","2","7","4","5","3","2","1") = "6"
    & skf21("5","2","7","4","5","3","3","1") = "6"
    & skf21("5","2","7","4","5","3","4","1") = "6"
    & skf21("5","2","7","4","5","3","5","1") = "6"
    & skf21("5","2","7","4","5","3","6","1") = "6"
    & skf21("5","2","7","4","5","3","7","1") = "6"
    & skf21("5","2","7","4","5","4","1","1") = "6"
    & skf21("5","2","7","4","5","4","2","1") = "6"
    & skf21("5","2","7","4","5","4","3","1") = "6"
    & skf21("5","2","7","4","5","4","4","1") = "6"
    & skf21("5","2","7","4","5","4","5","1") = "6"
    & skf21("5","2","7","4","5","4","6","1") = "6"
    & skf21("5","2","7","4","5","4","7","1") = "6"
    & skf21("5","2","7","4","5","5","1","1") = "6"
    & skf21("5","2","7","4","5","5","2","1") = "6"
    & skf21("5","2","7","4","5","5","3","1") = "6"
    & skf21("5","2","7","4","5","5","4","1") = "6"
    & skf21("5","2","7","4","5","5","5","1") = "6"
    & skf21("5","2","7","4","5","5","6","1") = "6"
    & skf21("5","2","7","4","5","5","7","1") = "6"
    & skf21("5","2","7","4","5","6","1","1") = "6"
    & skf21("5","2","7","4","5","6","2","1") = "6"
    & skf21("5","2","7","4","5","6","3","1") = "6"
    & skf21("5","2","7","4","5","6","4","1") = "6"
    & skf21("5","2","7","4","5","6","5","1") = "6"
    & skf21("5","2","7","4","5","6","6","1") = "6"
    & skf21("5","2","7","4","5","6","7","1") = "6"
    & skf21("5","2","7","4","5","7","1","1") = "6"
    & skf21("5","2","7","4","5","7","2","1") = "6"
    & skf21("5","2","7","4","5","7","3","1") = "6"
    & skf21("5","2","7","4","5","7","4","1") = "6"
    & skf21("5","2","7","4","5","7","5","1") = "6"
    & skf21("5","2","7","4","5","7","6","1") = "6"
    & skf21("5","2","7","4","5","7","7","1") = "6"
    & skf21("5","2","7","4","6","1","1","1") = "6"
    & skf21("5","2","7","4","6","1","2","1") = "6"
    & skf21("5","2","7","4","6","1","3","1") = "6"
    & skf21("5","2","7","4","6","1","4","1") = "6"
    & skf21("5","2","7","4","6","1","5","1") = "6"
    & skf21("5","2","7","4","6","1","6","1") = "6"
    & skf21("5","2","7","4","6","1","7","1") = "6"
    & skf21("5","2","7","4","6","2","1","1") = "6"
    & skf21("5","2","7","4","6","2","2","1") = "6"
    & skf21("5","2","7","4","6","2","3","1") = "6"
    & skf21("5","2","7","4","6","2","4","1") = "6"
    & skf21("5","2","7","4","6","2","5","1") = "6"
    & skf21("5","2","7","4","6","2","6","1") = "6"
    & skf21("5","2","7","4","6","2","7","1") = "6"
    & skf21("5","2","7","4","6","3","1","1") = "6"
    & skf21("5","2","7","4","6","3","2","1") = "6"
    & skf21("5","2","7","4","6","3","3","1") = "6"
    & skf21("5","2","7","4","6","3","4","1") = "6"
    & skf21("5","2","7","4","6","3","5","1") = "6"
    & skf21("5","2","7","4","6","3","6","1") = "6"
    & skf21("5","2","7","4","6","3","7","1") = "6"
    & skf21("5","2","7","4","6","4","1","1") = "6"
    & skf21("5","2","7","4","6","4","2","1") = "6"
    & skf21("5","2","7","4","6","4","3","1") = "6"
    & skf21("5","2","7","4","6","4","4","1") = "6"
    & skf21("5","2","7","4","6","4","5","1") = "6"
    & skf21("5","2","7","4","6","4","6","1") = "6"
    & skf21("5","2","7","4","6","4","7","1") = "6"
    & skf21("5","2","7","4","6","5","1","1") = "6"
    & skf21("5","2","7","4","6","5","2","1") = "6"
    & skf21("5","2","7","4","6","5","3","1") = "6"
    & skf21("5","2","7","4","6","5","4","1") = "6"
    & skf21("5","2","7","4","6","5","5","1") = "6"
    & skf21("5","2","7","4","6","5","6","1") = "6"
    & skf21("5","2","7","4","6","5","7","1") = "6"
    & skf21("5","2","7","4","6","6","1","1") = "6"
    & skf21("5","2","7","4","6","6","2","1") = "6"
    & skf21("5","2","7","4","6","6","3","1") = "6"
    & skf21("5","2","7","4","6","6","4","1") = "6"
    & skf21("5","2","7","4","6","6","5","1") = "6"
    & skf21("5","2","7","4","6","6","6","1") = "6"
    & skf21("5","2","7","4","6","6","7","1") = "6"
    & skf21("5","2","7","4","6","7","1","1") = "6"
    & skf21("5","2","7","4","6","7","2","1") = "6"
    & skf21("5","2","7","4","6","7","3","1") = "6"
    & skf21("5","2","7","4","6","7","4","1") = "6"
    & skf21("5","2","7","4","6","7","5","1") = "6"
    & skf21("5","2","7","4","6","7","6","1") = "6"
    & skf21("5","2","7","4","6","7","7","1") = "6"
    & skf21("5","2","7","4","7","1","1","1") = "6"
    & skf21("5","2","7","4","7","1","2","1") = "6"
    & skf21("5","2","7","4","7","1","3","1") = "6"
    & skf21("5","2","7","4","7","1","4","1") = "6"
    & skf21("5","2","7","4","7","1","5","1") = "6"
    & skf21("5","2","7","4","7","1","6","1") = "6"
    & skf21("5","2","7","4","7","1","7","1") = "6"
    & skf21("5","2","7","4","7","2","1","1") = "6"
    & skf21("5","2","7","4","7","2","2","1") = "6"
    & skf21("5","2","7","4","7","2","3","1") = "6"
    & skf21("5","2","7","4","7","2","4","1") = "6"
    & skf21("5","2","7","4","7","2","5","1") = "6"
    & skf21("5","2","7","4","7","2","6","1") = "6"
    & skf21("5","2","7","4","7","2","7","1") = "6"
    & skf21("5","2","7","4","7","3","1","1") = "6"
    & skf21("5","2","7","4","7","3","2","1") = "6"
    & skf21("5","2","7","4","7","3","3","1") = "6"
    & skf21("5","2","7","4","7","3","4","1") = "6"
    & skf21("5","2","7","4","7","3","5","1") = "6"
    & skf21("5","2","7","4","7","3","6","1") = "6"
    & skf21("5","2","7","4","7","3","7","1") = "6"
    & skf21("5","2","7","4","7","4","1","1") = "6"
    & skf21("5","2","7","4","7","4","2","1") = "6"
    & skf21("5","2","7","4","7","4","3","1") = "6"
    & skf21("5","2","7","4","7","4","4","1") = "6"
    & skf21("5","2","7","4","7","4","5","1") = "6"
    & skf21("5","2","7","4","7","4","6","1") = "6"
    & skf21("5","2","7","4","7","4","7","1") = "6"
    & skf21("5","2","7","4","7","5","1","1") = "6"
    & skf21("5","2","7","4","7","5","2","1") = "6"
    & skf21("5","2","7","4","7","5","3","1") = "6"
    & skf21("5","2","7","4","7","5","4","1") = "6"
    & skf21("5","2","7","4","7","5","5","1") = "6"
    & skf21("5","2","7","4","7","5","6","1") = "6"
    & skf21("5","2","7","4","7","5","7","1") = "6"
    & skf21("5","2","7","4","7","6","1","1") = "6"
    & skf21("5","2","7","4","7","6","2","1") = "6"
    & skf21("5","2","7","4","7","6","3","1") = "6"
    & skf21("5","2","7","4","7","6","4","1") = "6"
    & skf21("5","2","7","4","7","6","5","1") = "6"
    & skf21("5","2","7","4","7","6","6","1") = "6"
    & skf21("5","2","7","4","7","6","7","1") = "6"
    & skf21("5","2","7","4","7","7","1","1") = "6"
    & skf21("5","2","7","4","7","7","2","1") = "6"
    & skf21("5","2","7","4","7","7","3","1") = "6"
    & skf21("5","2","7","4","7","7","4","1") = "6"
    & skf21("5","2","7","4","7","7","5","1") = "6"
    & skf21("5","2","7","4","7","7","6","1") = "6"
    & skf21("5","2","7","4","7","7","7","1") = "6"
    & skf21("5","2","7","5","1","1","1","1") = "6"
    & skf21("5","2","7","5","1","1","2","1") = "6"
    & skf21("5","2","7","5","1","1","3","1") = "6"
    & skf21("5","2","7","5","1","1","4","1") = "6"
    & skf21("5","2","7","5","1","1","5","1") = "6"
    & skf21("5","2","7","5","1","1","6","1") = "6"
    & skf21("5","2","7","5","1","1","7","1") = "6"
    & skf21("5","2","7","5","1","2","1","1") = "6"
    & skf21("5","2","7","5","1","2","2","1") = "6"
    & skf21("5","2","7","5","1","2","3","1") = "6"
    & skf21("5","2","7","5","1","2","4","1") = "6"
    & skf21("5","2","7","5","1","2","5","1") = "6"
    & skf21("5","2","7","5","1","2","6","1") = "6"
    & skf21("5","2","7","5","1","2","7","1") = "6"
    & skf21("5","2","7","5","1","3","1","1") = "6"
    & skf21("5","2","7","5","1","3","2","1") = "6"
    & skf21("5","2","7","5","1","3","3","1") = "6"
    & skf21("5","2","7","5","1","3","4","1") = "6"
    & skf21("5","2","7","5","1","3","5","1") = "6"
    & skf21("5","2","7","5","1","3","6","1") = "6"
    & skf21("5","2","7","5","1","3","7","1") = "6"
    & skf21("5","2","7","5","1","4","1","1") = "6"
    & skf21("5","2","7","5","1","4","2","1") = "6"
    & skf21("5","2","7","5","1","4","3","1") = "6"
    & skf21("5","2","7","5","1","4","4","1") = "6"
    & skf21("5","2","7","5","1","4","5","1") = "6"
    & skf21("5","2","7","5","1","4","6","1") = "6"
    & skf21("5","2","7","5","1","4","7","1") = "6"
    & skf21("5","2","7","5","1","5","1","1") = "6"
    & skf21("5","2","7","5","1","5","2","1") = "6"
    & skf21("5","2","7","5","1","5","3","1") = "6"
    & skf21("5","2","7","5","1","5","4","1") = "6"
    & skf21("5","2","7","5","1","5","5","1") = "6"
    & skf21("5","2","7","5","1","5","6","1") = "6"
    & skf21("5","2","7","5","1","5","7","1") = "6"
    & skf21("5","2","7","5","1","6","1","1") = "6"
    & skf21("5","2","7","5","1","6","2","1") = "6"
    & skf21("5","2","7","5","1","6","3","1") = "6"
    & skf21("5","2","7","5","1","6","4","1") = "6"
    & skf21("5","2","7","5","1","6","5","1") = "6"
    & skf21("5","2","7","5","1","6","6","1") = "6"
    & skf21("5","2","7","5","1","6","7","1") = "6"
    & skf21("5","2","7","5","1","7","1","1") = "6"
    & skf21("5","2","7","5","1","7","2","1") = "6"
    & skf21("5","2","7","5","1","7","3","1") = "6"
    & skf21("5","2","7","5","1","7","4","1") = "6"
    & skf21("5","2","7","5","1","7","5","1") = "6"
    & skf21("5","2","7","5","1","7","6","1") = "6"
    & skf21("5","2","7","5","1","7","7","1") = "6"
    & skf21("5","2","7","5","2","1","1","1") = "6"
    & skf21("5","2","7","5","2","1","2","1") = "6"
    & skf21("5","2","7","5","2","1","3","1") = "6"
    & skf21("5","2","7","5","2","1","4","1") = "6"
    & skf21("5","2","7","5","2","1","5","1") = "6"
    & skf21("5","2","7","5","2","1","6","1") = "6"
    & skf21("5","2","7","5","2","1","7","1") = "6"
    & skf21("5","2","7","5","2","2","1","1") = "6"
    & skf21("5","2","7","5","2","2","2","1") = "6"
    & skf21("5","2","7","5","2","2","3","1") = "6"
    & skf21("5","2","7","5","2","2","4","1") = "6"
    & skf21("5","2","7","5","2","2","5","1") = "6"
    & skf21("5","2","7","5","2","2","6","1") = "6"
    & skf21("5","2","7","5","2","2","7","1") = "6"
    & skf21("5","2","7","5","2","3","1","1") = "6"
    & skf21("5","2","7","5","2","3","2","1") = "6"
    & skf21("5","2","7","5","2","3","3","1") = "6"
    & skf21("5","2","7","5","2","3","4","1") = "6"
    & skf21("5","2","7","5","2","3","5","1") = "6"
    & skf21("5","2","7","5","2","3","6","1") = "6"
    & skf21("5","2","7","5","2","3","7","1") = "6"
    & skf21("5","2","7","5","2","4","1","1") = "6"
    & skf21("5","2","7","5","2","4","2","1") = "6"
    & skf21("5","2","7","5","2","4","3","1") = "6"
    & skf21("5","2","7","5","2","4","4","1") = "6"
    & skf21("5","2","7","5","2","4","5","1") = "6"
    & skf21("5","2","7","5","2","4","6","1") = "6"
    & skf21("5","2","7","5","2","4","7","1") = "6"
    & skf21("5","2","7","5","2","5","1","1") = "6"
    & skf21("5","2","7","5","2","5","2","1") = "6"
    & skf21("5","2","7","5","2","5","3","1") = "6"
    & skf21("5","2","7","5","2","5","4","1") = "6"
    & skf21("5","2","7","5","2","5","5","1") = "6"
    & skf21("5","2","7","5","2","5","6","1") = "6"
    & skf21("5","2","7","5","2","5","7","1") = "6"
    & skf21("5","2","7","5","2","6","1","1") = "6"
    & skf21("5","2","7","5","2","6","2","1") = "6"
    & skf21("5","2","7","5","2","6","3","1") = "6"
    & skf21("5","2","7","5","2","6","4","1") = "6"
    & skf21("5","2","7","5","2","6","5","1") = "6"
    & skf21("5","2","7","5","2","6","6","1") = "6"
    & skf21("5","2","7","5","2","6","7","1") = "6"
    & skf21("5","2","7","5","2","7","1","1") = "6"
    & skf21("5","2","7","5","2","7","2","1") = "6"
    & skf21("5","2","7","5","2","7","3","1") = "6"
    & skf21("5","2","7","5","2","7","4","1") = "6"
    & skf21("5","2","7","5","2","7","5","1") = "6"
    & skf21("5","2","7","5","2","7","6","1") = "6"
    & skf21("5","2","7","5","2","7","7","1") = "6"
    & skf21("5","2","7","5","3","1","1","1") = "6"
    & skf21("5","2","7","5","3","1","2","1") = "6"
    & skf21("5","2","7","5","3","1","3","1") = "6"
    & skf21("5","2","7","5","3","1","4","1") = "6"
    & skf21("5","2","7","5","3","1","5","1") = "6"
    & skf21("5","2","7","5","3","1","6","1") = "6"
    & skf21("5","2","7","5","3","1","7","1") = "6"
    & skf21("5","2","7","5","3","2","1","1") = "6"
    & skf21("5","2","7","5","3","2","2","1") = "6"
    & skf21("5","2","7","5","3","2","3","1") = "6"
    & skf21("5","2","7","5","3","2","4","1") = "6"
    & skf21("5","2","7","5","3","2","5","1") = "6"
    & skf21("5","2","7","5","3","2","6","1") = "6"
    & skf21("5","2","7","5","3","2","7","1") = "6"
    & skf21("5","2","7","5","3","3","1","1") = "6"
    & skf21("5","2","7","5","3","3","2","1") = "6"
    & skf21("5","2","7","5","3","3","3","1") = "6"
    & skf21("5","2","7","5","3","3","4","1") = "6"
    & skf21("5","2","7","5","3","3","5","1") = "6"
    & skf21("5","2","7","5","3","3","6","1") = "6"
    & skf21("5","2","7","5","3","3","7","1") = "6"
    & skf21("5","2","7","5","3","4","1","1") = "6"
    & skf21("5","2","7","5","3","4","2","1") = "6"
    & skf21("5","2","7","5","3","4","3","1") = "6"
    & skf21("5","2","7","5","3","4","4","1") = "6"
    & skf21("5","2","7","5","3","4","5","1") = "6"
    & skf21("5","2","7","5","3","4","6","1") = "6"
    & skf21("5","2","7","5","3","4","7","1") = "6"
    & skf21("5","2","7","5","3","5","1","1") = "6"
    & skf21("5","2","7","5","3","5","2","1") = "6"
    & skf21("5","2","7","5","3","5","3","1") = "6"
    & skf21("5","2","7","5","3","5","4","1") = "6"
    & skf21("5","2","7","5","3","5","5","1") = "6"
    & skf21("5","2","7","5","3","5","6","1") = "6"
    & skf21("5","2","7","5","3","5","7","1") = "6"
    & skf21("5","2","7","5","3","6","1","1") = "6"
    & skf21("5","2","7","5","3","6","2","1") = "6"
    & skf21("5","2","7","5","3","6","3","1") = "6"
    & skf21("5","2","7","5","3","6","4","1") = "6"
    & skf21("5","2","7","5","3","6","5","1") = "6"
    & skf21("5","2","7","5","3","6","6","1") = "6"
    & skf21("5","2","7","5","3","6","7","1") = "6"
    & skf21("5","2","7","5","3","7","1","1") = "6"
    & skf21("5","2","7","5","3","7","2","1") = "6"
    & skf21("5","2","7","5","3","7","3","1") = "6"
    & skf21("5","2","7","5","3","7","4","1") = "6"
    & skf21("5","2","7","5","3","7","5","1") = "6"
    & skf21("5","2","7","5","3","7","6","1") = "6"
    & skf21("5","2","7","5","3","7","7","1") = "6"
    & skf21("5","2","7","5","4","1","1","1") = "6"
    & skf21("5","2","7","5","4","1","2","1") = "6"
    & skf21("5","2","7","5","4","1","3","1") = "6"
    & skf21("5","2","7","5","4","1","4","1") = "6"
    & skf21("5","2","7","5","4","1","5","1") = "6"
    & skf21("5","2","7","5","4","1","6","1") = "6"
    & skf21("5","2","7","5","4","1","7","1") = "6"
    & skf21("5","2","7","5","4","2","1","1") = "6"
    & skf21("5","2","7","5","4","2","2","1") = "6"
    & skf21("5","2","7","5","4","2","3","1") = "6"
    & skf21("5","2","7","5","4","2","4","1") = "6"
    & skf21("5","2","7","5","4","2","5","1") = "6"
    & skf21("5","2","7","5","4","2","6","1") = "6"
    & skf21("5","2","7","5","4","2","7","1") = "6"
    & skf21("5","2","7","5","4","3","1","1") = "6"
    & skf21("5","2","7","5","4","3","2","1") = "6"
    & skf21("5","2","7","5","4","3","3","1") = "6"
    & skf21("5","2","7","5","4","3","4","1") = "6"
    & skf21("5","2","7","5","4","3","5","1") = "6"
    & skf21("5","2","7","5","4","3","6","1") = "6"
    & skf21("5","2","7","5","4","3","7","1") = "6"
    & skf21("5","2","7","5","4","4","1","1") = "6"
    & skf21("5","2","7","5","4","4","2","1") = "6"
    & skf21("5","2","7","5","4","4","3","1") = "6"
    & skf21("5","2","7","5","4","4","4","1") = "6"
    & skf21("5","2","7","5","4","4","5","1") = "6"
    & skf21("5","2","7","5","4","4","6","1") = "6"
    & skf21("5","2","7","5","4","4","7","1") = "6"
    & skf21("5","2","7","5","4","5","1","1") = "6"
    & skf21("5","2","7","5","4","5","2","1") = "6"
    & skf21("5","2","7","5","4","5","3","1") = "6"
    & skf21("5","2","7","5","4","5","4","1") = "6"
    & skf21("5","2","7","5","4","5","5","1") = "6"
    & skf21("5","2","7","5","4","5","6","1") = "6"
    & skf21("5","2","7","5","4","5","7","1") = "6"
    & skf21("5","2","7","5","4","6","1","1") = "6"
    & skf21("5","2","7","5","4","6","2","1") = "6"
    & skf21("5","2","7","5","4","6","3","1") = "6"
    & skf21("5","2","7","5","4","6","4","1") = "6"
    & skf21("5","2","7","5","4","6","5","1") = "6"
    & skf21("5","2","7","5","4","6","6","1") = "6"
    & skf21("5","2","7","5","4","6","7","1") = "6"
    & skf21("5","2","7","5","4","7","1","1") = "6"
    & skf21("5","2","7","5","4","7","2","1") = "6"
    & skf21("5","2","7","5","4","7","3","1") = "6"
    & skf21("5","2","7","5","4","7","4","1") = "6"
    & skf21("5","2","7","5","4","7","5","1") = "6"
    & skf21("5","2","7","5","4","7","6","1") = "6"
    & skf21("5","2","7","5","4","7","7","1") = "6"
    & skf21("5","2","7","5","5","1","1","1") = "6"
    & skf21("5","2","7","5","5","1","2","1") = "6"
    & skf21("5","2","7","5","5","1","3","1") = "6"
    & skf21("5","2","7","5","5","1","4","1") = "6"
    & skf21("5","2","7","5","5","1","5","1") = "6"
    & skf21("5","2","7","5","5","1","6","1") = "6"
    & skf21("5","2","7","5","5","1","7","1") = "6"
    & skf21("5","2","7","5","5","2","1","1") = "6"
    & skf21("5","2","7","5","5","2","2","1") = "6"
    & skf21("5","2","7","5","5","2","3","1") = "6"
    & skf21("5","2","7","5","5","2","4","1") = "6"
    & skf21("5","2","7","5","5","2","5","1") = "6"
    & skf21("5","2","7","5","5","2","6","1") = "6"
    & skf21("5","2","7","5","5","2","7","1") = "6"
    & skf21("5","2","7","5","5","3","1","1") = "6"
    & skf21("5","2","7","5","5","3","2","1") = "6"
    & skf21("5","2","7","5","5","3","3","1") = "6"
    & skf21("5","2","7","5","5","3","4","1") = "6"
    & skf21("5","2","7","5","5","3","5","1") = "6"
    & skf21("5","2","7","5","5","3","6","1") = "6"
    & skf21("5","2","7","5","5","3","7","1") = "6"
    & skf21("5","2","7","5","5","4","1","1") = "6"
    & skf21("5","2","7","5","5","4","2","1") = "6"
    & skf21("5","2","7","5","5","4","3","1") = "6"
    & skf21("5","2","7","5","5","4","4","1") = "6"
    & skf21("5","2","7","5","5","4","5","1") = "6"
    & skf21("5","2","7","5","5","4","6","1") = "6"
    & skf21("5","2","7","5","5","4","7","1") = "6"
    & skf21("5","2","7","5","5","5","1","1") = "6"
    & skf21("5","2","7","5","5","5","2","1") = "6"
    & skf21("5","2","7","5","5","5","3","1") = "6"
    & skf21("5","2","7","5","5","5","4","1") = "6"
    & skf21("5","2","7","5","5","5","5","1") = "6"
    & skf21("5","2","7","5","5","5","6","1") = "6"
    & skf21("5","2","7","5","5","5","7","1") = "6"
    & skf21("5","2","7","5","5","6","1","1") = "6"
    & skf21("5","2","7","5","5","6","2","1") = "6"
    & skf21("5","2","7","5","5","6","3","1") = "6"
    & skf21("5","2","7","5","5","6","4","1") = "6"
    & skf21("5","2","7","5","5","6","5","1") = "6"
    & skf21("5","2","7","5","5","6","6","1") = "6"
    & skf21("5","2","7","5","5","6","7","1") = "6"
    & skf21("5","2","7","5","5","7","1","1") = "6"
    & skf21("5","2","7","5","5","7","2","1") = "6"
    & skf21("5","2","7","5","5","7","3","1") = "6"
    & skf21("5","2","7","5","5","7","4","1") = "6"
    & skf21("5","2","7","5","5","7","5","1") = "6"
    & skf21("5","2","7","5","5","7","6","1") = "6"
    & skf21("5","2","7","5","5","7","7","1") = "6"
    & skf21("5","2","7","5","6","1","1","1") = "6"
    & skf21("5","2","7","5","6","1","2","1") = "6"
    & skf21("5","2","7","5","6","1","3","1") = "6"
    & skf21("5","2","7","5","6","1","4","1") = "6"
    & skf21("5","2","7","5","6","1","5","1") = "6"
    & skf21("5","2","7","5","6","1","6","1") = "6"
    & skf21("5","2","7","5","6","1","7","1") = "6"
    & skf21("5","2","7","5","6","2","1","1") = "6"
    & skf21("5","2","7","5","6","2","2","1") = "6"
    & skf21("5","2","7","5","6","2","3","1") = "6"
    & skf21("5","2","7","5","6","2","4","1") = "6"
    & skf21("5","2","7","5","6","2","5","1") = "6"
    & skf21("5","2","7","5","6","2","6","1") = "6"
    & skf21("5","2","7","5","6","2","7","1") = "6"
    & skf21("5","2","7","5","6","3","1","1") = "6"
    & skf21("5","2","7","5","6","3","2","1") = "6"
    & skf21("5","2","7","5","6","3","3","1") = "6"
    & skf21("5","2","7","5","6","3","4","1") = "6"
    & skf21("5","2","7","5","6","3","5","1") = "6"
    & skf21("5","2","7","5","6","3","6","1") = "6"
    & skf21("5","2","7","5","6","3","7","1") = "6"
    & skf21("5","2","7","5","6","4","1","1") = "6"
    & skf21("5","2","7","5","6","4","2","1") = "6"
    & skf21("5","2","7","5","6","4","3","1") = "6"
    & skf21("5","2","7","5","6","4","4","1") = "6"
    & skf21("5","2","7","5","6","4","5","1") = "6"
    & skf21("5","2","7","5","6","4","6","1") = "6"
    & skf21("5","2","7","5","6","4","7","1") = "6"
    & skf21("5","2","7","5","6","5","1","1") = "6"
    & skf21("5","2","7","5","6","5","2","1") = "6"
    & skf21("5","2","7","5","6","5","3","1") = "6"
    & skf21("5","2","7","5","6","5","4","1") = "6"
    & skf21("5","2","7","5","6","5","5","1") = "6"
    & skf21("5","2","7","5","6","5","6","1") = "6"
    & skf21("5","2","7","5","6","5","7","1") = "6"
    & skf21("5","2","7","5","6","6","1","1") = "6"
    & skf21("5","2","7","5","6","6","2","1") = "6"
    & skf21("5","2","7","5","6","6","3","1") = "6"
    & skf21("5","2","7","5","6","6","4","1") = "6"
    & skf21("5","2","7","5","6","6","5","1") = "6"
    & skf21("5","2","7","5","6","6","6","1") = "6"
    & skf21("5","2","7","5","6","6","7","1") = "6"
    & skf21("5","2","7","5","6","7","1","1") = "6"
    & skf21("5","2","7","5","6","7","2","1") = "6"
    & skf21("5","2","7","5","6","7","3","1") = "6"
    & skf21("5","2","7","5","6","7","4","1") = "6"
    & skf21("5","2","7","5","6","7","5","1") = "6"
    & skf21("5","2","7","5","6","7","6","1") = "6"
    & skf21("5","2","7","5","6","7","7","1") = "6"
    & skf21("5","2","7","5","7","1","1","1") = "6"
    & skf21("5","2","7","5","7","1","2","1") = "6"
    & skf21("5","2","7","5","7","1","3","1") = "6"
    & skf21("5","2","7","5","7","1","4","1") = "6"
    & skf21("5","2","7","5","7","1","5","1") = "6"
    & skf21("5","2","7","5","7","1","6","1") = "6"
    & skf21("5","2","7","5","7","1","7","1") = "6"
    & skf21("5","2","7","5","7","2","1","1") = "6"
    & skf21("5","2","7","5","7","2","2","1") = "6"
    & skf21("5","2","7","5","7","2","3","1") = "6"
    & skf21("5","2","7","5","7","2","4","1") = "6"
    & skf21("5","2","7","5","7","2","5","1") = "6"
    & skf21("5","2","7","5","7","2","6","1") = "6"
    & skf21("5","2","7","5","7","2","7","1") = "6"
    & skf21("5","2","7","5","7","3","1","1") = "6"
    & skf21("5","2","7","5","7","3","2","1") = "6"
    & skf21("5","2","7","5","7","3","3","1") = "6"
    & skf21("5","2","7","5","7","3","4","1") = "6"
    & skf21("5","2","7","5","7","3","5","1") = "6"
    & skf21("5","2","7","5","7","3","6","1") = "6"
    & skf21("5","2","7","5","7","3","7","1") = "6"
    & skf21("5","2","7","5","7","4","1","1") = "6"
    & skf21("5","2","7","5","7","4","2","1") = "6"
    & skf21("5","2","7","5","7","4","3","1") = "6"
    & skf21("5","2","7","5","7","4","4","1") = "6"
    & skf21("5","2","7","5","7","4","5","1") = "6"
    & skf21("5","2","7","5","7","4","6","1") = "6"
    & skf21("5","2","7","5","7","4","7","1") = "6"
    & skf21("5","2","7","5","7","5","1","1") = "6"
    & skf21("5","2","7","5","7","5","2","1") = "6"
    & skf21("5","2","7","5","7","5","3","1") = "6"
    & skf21("5","2","7","5","7","5","4","1") = "6"
    & skf21("5","2","7","5","7","5","5","1") = "6"
    & skf21("5","2","7","5","7","5","6","1") = "6"
    & skf21("5","2","7","5","7","5","7","1") = "6"
    & skf21("5","2","7","5","7","6","1","1") = "6"
    & skf21("5","2","7","5","7","6","2","1") = "6"
    & skf21("5","2","7","5","7","6","3","1") = "6"
    & skf21("5","2","7","5","7","6","4","1") = "6"
    & skf21("5","2","7","5","7","6","5","1") = "6"
    & skf21("5","2","7","5","7","6","6","1") = "6"
    & skf21("5","2","7","5","7","6","7","1") = "6"
    & skf21("5","2","7","5","7","7","1","1") = "6"
    & skf21("5","2","7","5","7","7","2","1") = "6"
    & skf21("5","2","7","5","7","7","3","1") = "6"
    & skf21("5","2","7","5","7","7","4","1") = "6"
    & skf21("5","2","7","5","7","7","5","1") = "6"
    & skf21("5","2","7","5","7","7","6","1") = "6"
    & skf21("5","2","7","5","7","7","7","1") = "6"
    & skf21("5","2","7","6","1","1","1","1") = "6"
    & skf21("5","2","7","6","1","1","2","1") = "6"
    & skf21("5","2","7","6","1","1","3","1") = "6"
    & skf21("5","2","7","6","1","1","4","1") = "6"
    & skf21("5","2","7","6","1","1","5","1") = "6"
    & skf21("5","2","7","6","1","1","6","1") = "6"
    & skf21("5","2","7","6","1","1","7","1") = "6"
    & skf21("5","2","7","6","1","2","1","1") = "6"
    & skf21("5","2","7","6","1","2","2","1") = "6"
    & skf21("5","2","7","6","1","2","3","1") = "6"
    & skf21("5","2","7","6","1","2","4","1") = "6"
    & skf21("5","2","7","6","1","2","5","1") = "6"
    & skf21("5","2","7","6","1","2","6","1") = "6"
    & skf21("5","2","7","6","1","2","7","1") = "6"
    & skf21("5","2","7","6","1","3","1","1") = "6"
    & skf21("5","2","7","6","1","3","2","1") = "6"
    & skf21("5","2","7","6","1","3","3","1") = "6"
    & skf21("5","2","7","6","1","3","4","1") = "6"
    & skf21("5","2","7","6","1","3","5","1") = "6"
    & skf21("5","2","7","6","1","3","6","1") = "6"
    & skf21("5","2","7","6","1","3","7","1") = "6"
    & skf21("5","2","7","6","1","4","1","1") = "6"
    & skf21("5","2","7","6","1","4","2","1") = "6"
    & skf21("5","2","7","6","1","4","3","1") = "6"
    & skf21("5","2","7","6","1","4","4","1") = "6"
    & skf21("5","2","7","6","1","4","5","1") = "6"
    & skf21("5","2","7","6","1","4","6","1") = "6"
    & skf21("5","2","7","6","1","4","7","1") = "6"
    & skf21("5","2","7","6","1","5","1","1") = "6"
    & skf21("5","2","7","6","1","5","2","1") = "6"
    & skf21("5","2","7","6","1","5","3","1") = "6"
    & skf21("5","2","7","6","1","5","4","1") = "6"
    & skf21("5","2","7","6","1","5","5","1") = "6"
    & skf21("5","2","7","6","1","5","6","1") = "6"
    & skf21("5","2","7","6","1","5","7","1") = "6"
    & skf21("5","2","7","6","1","6","1","1") = "6"
    & skf21("5","2","7","6","1","6","2","1") = "6"
    & skf21("5","2","7","6","1","6","3","1") = "6"
    & skf21("5","2","7","6","1","6","4","1") = "6"
    & skf21("5","2","7","6","1","6","5","1") = "6"
    & skf21("5","2","7","6","1","6","6","1") = "6"
    & skf21("5","2","7","6","1","6","7","1") = "6"
    & skf21("5","2","7","6","1","7","1","1") = "6"
    & skf21("5","2","7","6","1","7","2","1") = "6"
    & skf21("5","2","7","6","1","7","3","1") = "6"
    & skf21("5","2","7","6","1","7","4","1") = "6"
    & skf21("5","2","7","6","1","7","5","1") = "6"
    & skf21("5","2","7","6","1","7","6","1") = "6"
    & skf21("5","2","7","6","1","7","7","1") = "6"
    & skf21("5","2","7","6","2","1","1","1") = "6"
    & skf21("5","2","7","6","2","1","2","1") = "6"
    & skf21("5","2","7","6","2","1","3","1") = "6"
    & skf21("5","2","7","6","2","1","4","1") = "6"
    & skf21("5","2","7","6","2","1","5","1") = "6"
    & skf21("5","2","7","6","2","1","6","1") = "6"
    & skf21("5","2","7","6","2","1","7","1") = "6"
    & skf21("5","2","7","6","2","2","1","1") = "6"
    & skf21("5","2","7","6","2","2","2","1") = "6"
    & skf21("5","2","7","6","2","2","3","1") = "6"
    & skf21("5","2","7","6","2","2","4","1") = "6"
    & skf21("5","2","7","6","2","2","5","1") = "6"
    & skf21("5","2","7","6","2","2","6","1") = "6"
    & skf21("5","2","7","6","2","2","7","1") = "6"
    & skf21("5","2","7","6","2","3","1","1") = "6"
    & skf21("5","2","7","6","2","3","2","1") = "6"
    & skf21("5","2","7","6","2","3","3","1") = "6"
    & skf21("5","2","7","6","2","3","4","1") = "6"
    & skf21("5","2","7","6","2","3","5","1") = "6"
    & skf21("5","2","7","6","2","3","6","1") = "6"
    & skf21("5","2","7","6","2","3","7","1") = "6"
    & skf21("5","2","7","6","2","4","1","1") = "6"
    & skf21("5","2","7","6","2","4","2","1") = "6"
    & skf21("5","2","7","6","2","4","3","1") = "6"
    & skf21("5","2","7","6","2","4","4","1") = "6"
    & skf21("5","2","7","6","2","4","5","1") = "6"
    & skf21("5","2","7","6","2","4","6","1") = "6"
    & skf21("5","2","7","6","2","4","7","1") = "6"
    & skf21("5","2","7","6","2","5","1","1") = "6"
    & skf21("5","2","7","6","2","5","2","1") = "6"
    & skf21("5","2","7","6","2","5","3","1") = "6"
    & skf21("5","2","7","6","2","5","4","1") = "6"
    & skf21("5","2","7","6","2","5","5","1") = "6"
    & skf21("5","2","7","6","2","5","6","1") = "6"
    & skf21("5","2","7","6","2","5","7","1") = "6"
    & skf21("5","2","7","6","2","6","1","1") = "6"
    & skf21("5","2","7","6","2","6","2","1") = "6"
    & skf21("5","2","7","6","2","6","3","1") = "6"
    & skf21("5","2","7","6","2","6","4","1") = "6"
    & skf21("5","2","7","6","2","6","5","1") = "6"
    & skf21("5","2","7","6","2","6","6","1") = "6"
    & skf21("5","2","7","6","2","6","7","1") = "6"
    & skf21("5","2","7","6","2","7","1","1") = "6"
    & skf21("5","2","7","6","2","7","2","1") = "6"
    & skf21("5","2","7","6","2","7","3","1") = "6"
    & skf21("5","2","7","6","2","7","4","1") = "6"
    & skf21("5","2","7","6","2","7","5","1") = "6"
    & skf21("5","2","7","6","2","7","6","1") = "6"
    & skf21("5","2","7","6","2","7","7","1") = "6"
    & skf21("5","2","7","6","3","1","1","1") = "6"
    & skf21("5","2","7","6","3","1","2","1") = "6"
    & skf21("5","2","7","6","3","1","3","1") = "6"
    & skf21("5","2","7","6","3","1","4","1") = "6"
    & skf21("5","2","7","6","3","1","5","1") = "6"
    & skf21("5","2","7","6","3","1","6","1") = "6"
    & skf21("5","2","7","6","3","1","7","1") = "6"
    & skf21("5","2","7","6","3","2","1","1") = "6"
    & skf21("5","2","7","6","3","2","2","1") = "6"
    & skf21("5","2","7","6","3","2","3","1") = "6"
    & skf21("5","2","7","6","3","2","4","1") = "6"
    & skf21("5","2","7","6","3","2","5","1") = "6"
    & skf21("5","2","7","6","3","2","6","1") = "6"
    & skf21("5","2","7","6","3","2","7","1") = "6"
    & skf21("5","2","7","6","3","3","1","1") = "6"
    & skf21("5","2","7","6","3","3","2","1") = "6"
    & skf21("5","2","7","6","3","3","3","1") = "6"
    & skf21("5","2","7","6","3","3","4","1") = "6"
    & skf21("5","2","7","6","3","3","5","1") = "6"
    & skf21("5","2","7","6","3","3","6","1") = "6"
    & skf21("5","2","7","6","3","3","7","1") = "6"
    & skf21("5","2","7","6","3","4","1","1") = "6"
    & skf21("5","2","7","6","3","4","2","1") = "6"
    & skf21("5","2","7","6","3","4","3","1") = "6"
    & skf21("5","2","7","6","3","4","4","1") = "6"
    & skf21("5","2","7","6","3","4","5","1") = "6"
    & skf21("5","2","7","6","3","4","6","1") = "6"
    & skf21("5","2","7","6","3","4","7","1") = "6"
    & skf21("5","2","7","6","3","5","1","1") = "6"
    & skf21("5","2","7","6","3","5","2","1") = "6"
    & skf21("5","2","7","6","3","5","3","1") = "6"
    & skf21("5","2","7","6","3","5","4","1") = "6"
    & skf21("5","2","7","6","3","5","5","1") = "6"
    & skf21("5","2","7","6","3","5","6","1") = "6"
    & skf21("5","2","7","6","3","5","7","1") = "6"
    & skf21("5","2","7","6","3","6","1","1") = "6"
    & skf21("5","2","7","6","3","6","2","1") = "6"
    & skf21("5","2","7","6","3","6","3","1") = "6"
    & skf21("5","2","7","6","3","6","4","1") = "6"
    & skf21("5","2","7","6","3","6","5","1") = "6"
    & skf21("5","2","7","6","3","6","6","1") = "6"
    & skf21("5","2","7","6","3","6","7","1") = "6"
    & skf21("5","2","7","6","3","7","1","1") = "6"
    & skf21("5","2","7","6","3","7","2","1") = "6"
    & skf21("5","2","7","6","3","7","3","1") = "6"
    & skf21("5","2","7","6","3","7","4","1") = "6"
    & skf21("5","2","7","6","3","7","5","1") = "6"
    & skf21("5","2","7","6","3","7","6","1") = "6"
    & skf21("5","2","7","6","3","7","7","1") = "6"
    & skf21("5","2","7","6","4","1","1","1") = "6"
    & skf21("5","2","7","6","4","1","2","1") = "6"
    & skf21("5","2","7","6","4","1","3","1") = "6"
    & skf21("5","2","7","6","4","1","4","1") = "6"
    & skf21("5","2","7","6","4","1","5","1") = "6"
    & skf21("5","2","7","6","4","1","6","1") = "6"
    & skf21("5","2","7","6","4","1","7","1") = "6"
    & skf21("5","2","7","6","4","2","1","1") = "6"
    & skf21("5","2","7","6","4","2","2","1") = "6"
    & skf21("5","2","7","6","4","2","3","1") = "6"
    & skf21("5","2","7","6","4","2","4","1") = "6"
    & skf21("5","2","7","6","4","2","5","1") = "6"
    & skf21("5","2","7","6","4","2","6","1") = "6"
    & skf21("5","2","7","6","4","2","7","1") = "6"
    & skf21("5","2","7","6","4","3","1","1") = "6"
    & skf21("5","2","7","6","4","3","2","1") = "6"
    & skf21("5","2","7","6","4","3","3","1") = "6"
    & skf21("5","2","7","6","4","3","4","1") = "6"
    & skf21("5","2","7","6","4","3","5","1") = "6"
    & skf21("5","2","7","6","4","3","6","1") = "6"
    & skf21("5","2","7","6","4","3","7","1") = "6"
    & skf21("5","2","7","6","4","4","1","1") = "6"
    & skf21("5","2","7","6","4","4","2","1") = "6"
    & skf21("5","2","7","6","4","4","3","1") = "6"
    & skf21("5","2","7","6","4","4","4","1") = "6"
    & skf21("5","2","7","6","4","4","5","1") = "6"
    & skf21("5","2","7","6","4","4","6","1") = "6"
    & skf21("5","2","7","6","4","4","7","1") = "6"
    & skf21("5","2","7","6","4","5","1","1") = "6"
    & skf21("5","2","7","6","4","5","2","1") = "6"
    & skf21("5","2","7","6","4","5","3","1") = "6"
    & skf21("5","2","7","6","4","5","4","1") = "6"
    & skf21("5","2","7","6","4","5","5","1") = "6"
    & skf21("5","2","7","6","4","5","6","1") = "6"
    & skf21("5","2","7","6","4","5","7","1") = "6"
    & skf21("5","2","7","6","4","6","1","1") = "6"
    & skf21("5","2","7","6","4","6","2","1") = "6"
    & skf21("5","2","7","6","4","6","3","1") = "6"
    & skf21("5","2","7","6","4","6","4","1") = "6"
    & skf21("5","2","7","6","4","6","5","1") = "6"
    & skf21("5","2","7","6","4","6","6","1") = "6"
    & skf21("5","2","7","6","4","6","7","1") = "6"
    & skf21("5","2","7","6","4","7","1","1") = "6"
    & skf21("5","2","7","6","4","7","2","1") = "6"
    & skf21("5","2","7","6","4","7","3","1") = "6"
    & skf21("5","2","7","6","4","7","4","1") = "6"
    & skf21("5","2","7","6","4","7","5","1") = "6"
    & skf21("5","2","7","6","4","7","6","1") = "6"
    & skf21("5","2","7","6","4","7","7","1") = "6"
    & skf21("5","2","7","6","5","1","1","1") = "6"
    & skf21("5","2","7","6","5","1","2","1") = "6"
    & skf21("5","2","7","6","5","1","3","1") = "6"
    & skf21("5","2","7","6","5","1","4","1") = "6"
    & skf21("5","2","7","6","5","1","5","1") = "6"
    & skf21("5","2","7","6","5","1","6","1") = "6"
    & skf21("5","2","7","6","5","1","7","1") = "6"
    & skf21("5","2","7","6","5","2","1","1") = "6"
    & skf21("5","2","7","6","5","2","2","1") = "6"
    & skf21("5","2","7","6","5","2","3","1") = "6"
    & skf21("5","2","7","6","5","2","4","1") = "6"
    & skf21("5","2","7","6","5","2","5","1") = "6"
    & skf21("5","2","7","6","5","2","6","1") = "6"
    & skf21("5","2","7","6","5","2","7","1") = "6"
    & skf21("5","2","7","6","5","3","1","1") = "6"
    & skf21("5","2","7","6","5","3","2","1") = "6"
    & skf21("5","2","7","6","5","3","3","1") = "6"
    & skf21("5","2","7","6","5","3","4","1") = "6"
    & skf21("5","2","7","6","5","3","5","1") = "6"
    & skf21("5","2","7","6","5","3","6","1") = "6"
    & skf21("5","2","7","6","5","3","7","1") = "6"
    & skf21("5","2","7","6","5","4","1","1") = "6"
    & skf21("5","2","7","6","5","4","2","1") = "6"
    & skf21("5","2","7","6","5","4","3","1") = "6"
    & skf21("5","2","7","6","5","4","4","1") = "6"
    & skf21("5","2","7","6","5","4","5","1") = "6"
    & skf21("5","2","7","6","5","4","6","1") = "6"
    & skf21("5","2","7","6","5","4","7","1") = "6"
    & skf21("5","2","7","6","5","5","1","1") = "6"
    & skf21("5","2","7","6","5","5","2","1") = "6"
    & skf21("5","2","7","6","5","5","3","1") = "6"
    & skf21("5","2","7","6","5","5","4","1") = "6"
    & skf21("5","2","7","6","5","5","5","1") = "6"
    & skf21("5","2","7","6","5","5","6","1") = "6"
    & skf21("5","2","7","6","5","5","7","1") = "6"
    & skf21("5","2","7","6","5","6","1","1") = "6"
    & skf21("5","2","7","6","5","6","2","1") = "6"
    & skf21("5","2","7","6","5","6","3","1") = "6"
    & skf21("5","2","7","6","5","6","4","1") = "6"
    & skf21("5","2","7","6","5","6","5","1") = "6"
    & skf21("5","2","7","6","5","6","6","1") = "6"
    & skf21("5","2","7","6","5","6","7","1") = "6"
    & skf21("5","2","7","6","5","7","1","1") = "6"
    & skf21("5","2","7","6","5","7","2","1") = "6"
    & skf21("5","2","7","6","5","7","3","1") = "6"
    & skf21("5","2","7","6","5","7","4","1") = "6"
    & skf21("5","2","7","6","5","7","5","1") = "6"
    & skf21("5","2","7","6","5","7","6","1") = "6"
    & skf21("5","2","7","6","5","7","7","1") = "6"
    & skf21("5","2","7","6","6","1","1","1") = "6"
    & skf21("5","2","7","6","6","1","2","1") = "6"
    & skf21("5","2","7","6","6","1","3","1") = "6"
    & skf21("5","2","7","6","6","1","4","1") = "6"
    & skf21("5","2","7","6","6","1","5","1") = "6"
    & skf21("5","2","7","6","6","1","6","1") = "6"
    & skf21("5","2","7","6","6","1","7","1") = "6"
    & skf21("5","2","7","6","6","2","1","1") = "6"
    & skf21("5","2","7","6","6","2","2","1") = "6"
    & skf21("5","2","7","6","6","2","3","1") = "6"
    & skf21("5","2","7","6","6","2","4","1") = "6"
    & skf21("5","2","7","6","6","2","5","1") = "6"
    & skf21("5","2","7","6","6","2","6","1") = "6"
    & skf21("5","2","7","6","6","2","7","1") = "6"
    & skf21("5","2","7","6","6","3","1","1") = "6"
    & skf21("5","2","7","6","6","3","2","1") = "6"
    & skf21("5","2","7","6","6","3","3","1") = "6"
    & skf21("5","2","7","6","6","3","4","1") = "6"
    & skf21("5","2","7","6","6","3","5","1") = "6"
    & skf21("5","2","7","6","6","3","6","1") = "6"
    & skf21("5","2","7","6","6","3","7","1") = "6"
    & skf21("5","2","7","6","6","4","1","1") = "6"
    & skf21("5","2","7","6","6","4","2","1") = "6"
    & skf21("5","2","7","6","6","4","3","1") = "6"
    & skf21("5","2","7","6","6","4","4","1") = "6"
    & skf21("5","2","7","6","6","4","5","1") = "6"
    & skf21("5","2","7","6","6","4","6","1") = "6"
    & skf21("5","2","7","6","6","4","7","1") = "6"
    & skf21("5","2","7","6","6","5","1","1") = "6"
    & skf21("5","2","7","6","6","5","2","1") = "6"
    & skf21("5","2","7","6","6","5","3","1") = "6"
    & skf21("5","2","7","6","6","5","4","1") = "6"
    & skf21("5","2","7","6","6","5","5","1") = "6"
    & skf21("5","2","7","6","6","5","6","1") = "6"
    & skf21("5","2","7","6","6","5","7","1") = "6"
    & skf21("5","2","7","6","6","6","1","1") = "6"
    & skf21("5","2","7","6","6","6","2","1") = "6"
    & skf21("5","2","7","6","6","6","3","1") = "6"
    & skf21("5","2","7","6","6","6","4","1") = "6"
    & skf21("5","2","7","6","6","6","5","1") = "6"
    & skf21("5","2","7","6","6","6","6","1") = "6"
    & skf21("5","2","7","6","6","6","7","1") = "6"
    & skf21("5","2","7","6","6","7","1","1") = "6"
    & skf21("5","2","7","6","6","7","2","1") = "6"
    & skf21("5","2","7","6","6","7","3","1") = "6"
    & skf21("5","2","7","6","6","7","4","1") = "6"
    & skf21("5","2","7","6","6","7","5","1") = "6"
    & skf21("5","2","7","6","6","7","6","1") = "6"
    & skf21("5","2","7","6","6","7","7","1") = "6"
    & skf21("5","2","7","6","7","1","1","1") = "6"
    & skf21("5","2","7","6","7","1","2","1") = "6"
    & skf21("5","2","7","6","7","1","3","1") = "6"
    & skf21("5","2","7","6","7","1","4","1") = "6"
    & skf21("5","2","7","6","7","1","5","1") = "6"
    & skf21("5","2","7","6","7","1","6","1") = "6"
    & skf21("5","2","7","6","7","1","7","1") = "6"
    & skf21("5","2","7","6","7","2","1","1") = "6"
    & skf21("5","2","7","6","7","2","2","1") = "6"
    & skf21("5","2","7","6","7","2","3","1") = "6"
    & skf21("5","2","7","6","7","2","4","1") = "6"
    & skf21("5","2","7","6","7","2","5","1") = "6"
    & skf21("5","2","7","6","7","2","6","1") = "6"
    & skf21("5","2","7","6","7","2","7","1") = "6"
    & skf21("5","2","7","6","7","3","1","1") = "6"
    & skf21("5","2","7","6","7","3","2","1") = "6"
    & skf21("5","2","7","6","7","3","3","1") = "6"
    & skf21("5","2","7","6","7","3","4","1") = "6"
    & skf21("5","2","7","6","7","3","5","1") = "6"
    & skf21("5","2","7","6","7","3","6","1") = "6"
    & skf21("5","2","7","6","7","3","7","1") = "6"
    & skf21("5","2","7","6","7","4","1","1") = "6"
    & skf21("5","2","7","6","7","4","2","1") = "6"
    & skf21("5","2","7","6","7","4","3","1") = "6"
    & skf21("5","2","7","6","7","4","4","1") = "6"
    & skf21("5","2","7","6","7","4","5","1") = "6"
    & skf21("5","2","7","6","7","4","6","1") = "6"
    & skf21("5","2","7","6","7","4","7","1") = "6"
    & skf21("5","2","7","6","7","5","1","1") = "6"
    & skf21("5","2","7","6","7","5","2","1") = "6"
    & skf21("5","2","7","6","7","5","3","1") = "6"
    & skf21("5","2","7","6","7","5","4","1") = "6"
    & skf21("5","2","7","6","7","5","5","1") = "6"
    & skf21("5","2","7","6","7","5","6","1") = "6"
    & skf21("5","2","7","6","7","5","7","1") = "6"
    & skf21("5","2","7","6","7","6","1","1") = "6"
    & skf21("5","2","7","6","7","6","2","1") = "6"
    & skf21("5","2","7","6","7","6","3","1") = "6"
    & skf21("5","2","7","6","7","6","4","1") = "6"
    & skf21("5","2","7","6","7","6","5","1") = "6"
    & skf21("5","2","7","6","7","6","6","1") = "6"
    & skf21("5","2","7","6","7","6","7","1") = "6"
    & skf21("5","2","7","6","7","7","1","1") = "6"
    & skf21("5","2","7","6","7","7","2","1") = "6"
    & skf21("5","2","7","6","7","7","3","1") = "6"
    & skf21("5","2","7","6","7","7","4","1") = "6"
    & skf21("5","2","7","6","7","7","5","1") = "6"
    & skf21("5","2","7","6","7","7","6","1") = "6"
    & skf21("5","2","7","6","7","7","7","1") = "6"
    & skf21("5","2","7","7","1","1","1","1") = "6"
    & skf21("5","2","7","7","1","1","2","1") = "6"
    & skf21("5","2","7","7","1","1","3","1") = "6"
    & skf21("5","2","7","7","1","1","4","1") = "6"
    & skf21("5","2","7","7","1","1","5","1") = "6"
    & skf21("5","2","7","7","1","1","6","1") = "6"
    & skf21("5","2","7","7","1","1","7","1") = "6"
    & skf21("5","2","7","7","1","2","1","1") = "6"
    & skf21("5","2","7","7","1","2","2","1") = "6"
    & skf21("5","2","7","7","1","2","3","1") = "6"
    & skf21("5","2","7","7","1","2","4","1") = "6"
    & skf21("5","2","7","7","1","2","5","1") = "6"
    & skf21("5","2","7","7","1","2","6","1") = "6"
    & skf21("5","2","7","7","1","2","7","1") = "6"
    & skf21("5","2","7","7","1","3","1","1") = "6"
    & skf21("5","2","7","7","1","3","2","1") = "6"
    & skf21("5","2","7","7","1","3","3","1") = "6"
    & skf21("5","2","7","7","1","3","4","1") = "6"
    & skf21("5","2","7","7","1","3","5","1") = "6"
    & skf21("5","2","7","7","1","3","6","1") = "6"
    & skf21("5","2","7","7","1","3","7","1") = "6"
    & skf21("5","2","7","7","1","4","1","1") = "6"
    & skf21("5","2","7","7","1","4","2","1") = "6"
    & skf21("5","2","7","7","1","4","3","1") = "6"
    & skf21("5","2","7","7","1","4","4","1") = "6"
    & skf21("5","2","7","7","1","4","5","1") = "6"
    & skf21("5","2","7","7","1","4","6","1") = "6"
    & skf21("5","2","7","7","1","4","7","1") = "6"
    & skf21("5","2","7","7","1","5","1","1") = "6"
    & skf21("5","2","7","7","1","5","2","1") = "6"
    & skf21("5","2","7","7","1","5","3","1") = "6"
    & skf21("5","2","7","7","1","5","4","1") = "6"
    & skf21("5","2","7","7","1","5","5","1") = "6"
    & skf21("5","2","7","7","1","5","6","1") = "6"
    & skf21("5","2","7","7","1","5","7","1") = "6"
    & skf21("5","2","7","7","1","6","1","1") = "6"
    & skf21("5","2","7","7","1","6","2","1") = "6"
    & skf21("5","2","7","7","1","6","3","1") = "6"
    & skf21("5","2","7","7","1","6","4","1") = "6"
    & skf21("5","2","7","7","1","6","5","1") = "6"
    & skf21("5","2","7","7","1","6","6","1") = "6"
    & skf21("5","2","7","7","1","6","7","1") = "6"
    & skf21("5","2","7","7","1","7","1","1") = "6"
    & skf21("5","2","7","7","1","7","2","1") = "6"
    & skf21("5","2","7","7","1","7","3","1") = "6"
    & skf21("5","2","7","7","1","7","4","1") = "6"
    & skf21("5","2","7","7","1","7","5","1") = "6"
    & skf21("5","2","7","7","1","7","6","1") = "6"
    & skf21("5","2","7","7","1","7","7","1") = "6"
    & skf21("5","2","7","7","2","1","1","1") = "6"
    & skf21("5","2","7","7","2","1","2","1") = "6"
    & skf21("5","2","7","7","2","1","3","1") = "6"
    & skf21("5","2","7","7","2","1","4","1") = "6"
    & skf21("5","2","7","7","2","1","5","1") = "6"
    & skf21("5","2","7","7","2","1","6","1") = "6"
    & skf21("5","2","7","7","2","1","7","1") = "6"
    & skf21("5","2","7","7","2","2","1","1") = "6"
    & skf21("5","2","7","7","2","2","2","1") = "6"
    & skf21("5","2","7","7","2","2","3","1") = "6"
    & skf21("5","2","7","7","2","2","4","1") = "6"
    & skf21("5","2","7","7","2","2","5","1") = "6"
    & skf21("5","2","7","7","2","2","6","1") = "6"
    & skf21("5","2","7","7","2","2","7","1") = "6"
    & skf21("5","2","7","7","2","3","1","1") = "6"
    & skf21("5","2","7","7","2","3","2","1") = "6"
    & skf21("5","2","7","7","2","3","3","1") = "6"
    & skf21("5","2","7","7","2","3","4","1") = "6"
    & skf21("5","2","7","7","2","3","5","1") = "6"
    & skf21("5","2","7","7","2","3","6","1") = "6"
    & skf21("5","2","7","7","2","3","7","1") = "6"
    & skf21("5","2","7","7","2","4","1","1") = "6"
    & skf21("5","2","7","7","2","4","2","1") = "6"
    & skf21("5","2","7","7","2","4","3","1") = "6"
    & skf21("5","2","7","7","2","4","4","1") = "6"
    & skf21("5","2","7","7","2","4","5","1") = "6"
    & skf21("5","2","7","7","2","4","6","1") = "6"
    & skf21("5","2","7","7","2","4","7","1") = "6"
    & skf21("5","2","7","7","2","5","1","1") = "6"
    & skf21("5","2","7","7","2","5","2","1") = "6"
    & skf21("5","2","7","7","2","5","3","1") = "6"
    & skf21("5","2","7","7","2","5","4","1") = "6"
    & skf21("5","2","7","7","2","5","5","1") = "6"
    & skf21("5","2","7","7","2","5","6","1") = "6"
    & skf21("5","2","7","7","2","5","7","1") = "6"
    & skf21("5","2","7","7","2","6","1","1") = "6"
    & skf21("5","2","7","7","2","6","2","1") = "6"
    & skf21("5","2","7","7","2","6","3","1") = "6"
    & skf21("5","2","7","7","2","6","4","1") = "6"
    & skf21("5","2","7","7","2","6","5","1") = "6"
    & skf21("5","2","7","7","2","6","6","1") = "6"
    & skf21("5","2","7","7","2","6","7","1") = "6"
    & skf21("5","2","7","7","2","7","1","1") = "6"
    & skf21("5","2","7","7","2","7","2","1") = "6"
    & skf21("5","2","7","7","2","7","3","1") = "6"
    & skf21("5","2","7","7","2","7","4","1") = "6"
    & skf21("5","2","7","7","2","7","5","1") = "6"
    & skf21("5","2","7","7","2","7","6","1") = "6"
    & skf21("5","2","7","7","2","7","7","1") = "6"
    & skf21("5","2","7","7","3","1","1","1") = "6"
    & skf21("5","2","7","7","3","1","2","1") = "6"
    & skf21("5","2","7","7","3","1","3","1") = "6"
    & skf21("5","2","7","7","3","1","4","1") = "6"
    & skf21("5","2","7","7","3","1","5","1") = "6"
    & skf21("5","2","7","7","3","1","6","1") = "6"
    & skf21("5","2","7","7","3","1","7","1") = "6"
    & skf21("5","2","7","7","3","2","1","1") = "6"
    & skf21("5","2","7","7","3","2","2","1") = "6"
    & skf21("5","2","7","7","3","2","3","1") = "6"
    & skf21("5","2","7","7","3","2","4","1") = "6"
    & skf21("5","2","7","7","3","2","5","1") = "6"
    & skf21("5","2","7","7","3","2","6","1") = "6"
    & skf21("5","2","7","7","3","2","7","1") = "6"
    & skf21("5","2","7","7","3","3","1","1") = "6"
    & skf21("5","2","7","7","3","3","2","1") = "6"
    & skf21("5","2","7","7","3","3","3","1") = "6"
    & skf21("5","2","7","7","3","3","4","1") = "6"
    & skf21("5","2","7","7","3","3","5","1") = "6"
    & skf21("5","2","7","7","3","3","6","1") = "6"
    & skf21("5","2","7","7","3","3","7","1") = "6"
    & skf21("5","2","7","7","3","4","1","1") = "6"
    & skf21("5","2","7","7","3","4","2","1") = "6"
    & skf21("5","2","7","7","3","4","3","1") = "6"
    & skf21("5","2","7","7","3","4","4","1") = "6"
    & skf21("5","2","7","7","3","4","5","1") = "6"
    & skf21("5","2","7","7","3","4","6","1") = "6"
    & skf21("5","2","7","7","3","4","7","1") = "6"
    & skf21("5","2","7","7","3","5","1","1") = "6"
    & skf21("5","2","7","7","3","5","2","1") = "6"
    & skf21("5","2","7","7","3","5","3","1") = "6"
    & skf21("5","2","7","7","3","5","4","1") = "6"
    & skf21("5","2","7","7","3","5","5","1") = "6"
    & skf21("5","2","7","7","3","5","6","1") = "6"
    & skf21("5","2","7","7","3","5","7","1") = "6"
    & skf21("5","2","7","7","3","6","1","1") = "6"
    & skf21("5","2","7","7","3","6","2","1") = "6"
    & skf21("5","2","7","7","3","6","3","1") = "6"
    & skf21("5","2","7","7","3","6","4","1") = "6"
    & skf21("5","2","7","7","3","6","5","1") = "6"
    & skf21("5","2","7","7","3","6","6","1") = "6"
    & skf21("5","2","7","7","3","6","7","1") = "6"
    & skf21("5","2","7","7","3","7","1","1") = "6"
    & skf21("5","2","7","7","3","7","2","1") = "6"
    & skf21("5","2","7","7","3","7","3","1") = "6"
    & skf21("5","2","7","7","3","7","4","1") = "6"
    & skf21("5","2","7","7","3","7","5","1") = "6"
    & skf21("5","2","7","7","3","7","6","1") = "6"
    & skf21("5","2","7","7","3","7","7","1") = "6"
    & skf21("5","2","7","7","4","1","1","1") = "6"
    & skf21("5","2","7","7","4","1","2","1") = "6"
    & skf21("5","2","7","7","4","1","3","1") = "6"
    & skf21("5","2","7","7","4","1","4","1") = "6"
    & skf21("5","2","7","7","4","1","5","1") = "6"
    & skf21("5","2","7","7","4","1","6","1") = "6"
    & skf21("5","2","7","7","4","1","7","1") = "6"
    & skf21("5","2","7","7","4","2","1","1") = "6"
    & skf21("5","2","7","7","4","2","2","1") = "6"
    & skf21("5","2","7","7","4","2","3","1") = "6"
    & skf21("5","2","7","7","4","2","4","1") = "6"
    & skf21("5","2","7","7","4","2","5","1") = "6"
    & skf21("5","2","7","7","4","2","6","1") = "6"
    & skf21("5","2","7","7","4","2","7","1") = "6"
    & skf21("5","2","7","7","4","3","1","1") = "6"
    & skf21("5","2","7","7","4","3","2","1") = "6"
    & skf21("5","2","7","7","4","3","3","1") = "6"
    & skf21("5","2","7","7","4","3","4","1") = "6"
    & skf21("5","2","7","7","4","3","5","1") = "6"
    & skf21("5","2","7","7","4","3","6","1") = "6"
    & skf21("5","2","7","7","4","3","7","1") = "6"
    & skf21("5","2","7","7","4","4","1","1") = "6"
    & skf21("5","2","7","7","4","4","2","1") = "6"
    & skf21("5","2","7","7","4","4","3","1") = "6"
    & skf21("5","2","7","7","4","4","4","1") = "6"
    & skf21("5","2","7","7","4","4","5","1") = "6"
    & skf21("5","2","7","7","4","4","6","1") = "6"
    & skf21("5","2","7","7","4","4","7","1") = "6"
    & skf21("5","2","7","7","4","5","1","1") = "6"
    & skf21("5","2","7","7","4","5","2","1") = "6"
    & skf21("5","2","7","7","4","5","3","1") = "6"
    & skf21("5","2","7","7","4","5","4","1") = "6"
    & skf21("5","2","7","7","4","5","5","1") = "6"
    & skf21("5","2","7","7","4","5","6","1") = "6"
    & skf21("5","2","7","7","4","5","7","1") = "6"
    & skf21("5","2","7","7","4","6","1","1") = "6"
    & skf21("5","2","7","7","4","6","2","1") = "6"
    & skf21("5","2","7","7","4","6","3","1") = "6"
    & skf21("5","2","7","7","4","6","4","1") = "6"
    & skf21("5","2","7","7","4","6","5","1") = "6"
    & skf21("5","2","7","7","4","6","6","1") = "6"
    & skf21("5","2","7","7","4","6","7","1") = "6"
    & skf21("5","2","7","7","4","7","1","1") = "6"
    & skf21("5","2","7","7","4","7","2","1") = "6"
    & skf21("5","2","7","7","4","7","3","1") = "6"
    & skf21("5","2","7","7","4","7","4","1") = "6"
    & skf21("5","2","7","7","4","7","5","1") = "6"
    & skf21("5","2","7","7","4","7","6","1") = "6"
    & skf21("5","2","7","7","4","7","7","1") = "6"
    & skf21("5","2","7","7","5","1","1","1") = "6"
    & skf21("5","2","7","7","5","1","2","1") = "6"
    & skf21("5","2","7","7","5","1","3","1") = "6"
    & skf21("5","2","7","7","5","1","4","1") = "6"
    & skf21("5","2","7","7","5","1","5","1") = "6"
    & skf21("5","2","7","7","5","1","6","1") = "6"
    & skf21("5","2","7","7","5","1","7","1") = "6"
    & skf21("5","2","7","7","5","2","1","1") = "6"
    & skf21("5","2","7","7","5","2","2","1") = "6"
    & skf21("5","2","7","7","5","2","3","1") = "6"
    & skf21("5","2","7","7","5","2","4","1") = "6"
    & skf21("5","2","7","7","5","2","5","1") = "6"
    & skf21("5","2","7","7","5","2","6","1") = "6"
    & skf21("5","2","7","7","5","2","7","1") = "6"
    & skf21("5","2","7","7","5","3","1","1") = "6"
    & skf21("5","2","7","7","5","3","2","1") = "6"
    & skf21("5","2","7","7","5","3","3","1") = "6"
    & skf21("5","2","7","7","5","3","4","1") = "6"
    & skf21("5","2","7","7","5","3","5","1") = "6"
    & skf21("5","2","7","7","5","3","6","1") = "6"
    & skf21("5","2","7","7","5","3","7","1") = "6"
    & skf21("5","2","7","7","5","4","1","1") = "6"
    & skf21("5","2","7","7","5","4","2","1") = "6"
    & skf21("5","2","7","7","5","4","3","1") = "6"
    & skf21("5","2","7","7","5","4","4","1") = "6"
    & skf21("5","2","7","7","5","4","5","1") = "6"
    & skf21("5","2","7","7","5","4","6","1") = "6"
    & skf21("5","2","7","7","5","4","7","1") = "6"
    & skf21("5","2","7","7","5","5","1","1") = "6"
    & skf21("5","2","7","7","5","5","2","1") = "6"
    & skf21("5","2","7","7","5","5","3","1") = "6"
    & skf21("5","2","7","7","5","5","4","1") = "6"
    & skf21("5","2","7","7","5","5","5","1") = "6"
    & skf21("5","2","7","7","5","5","6","1") = "6"
    & skf21("5","2","7","7","5","5","7","1") = "6"
    & skf21("5","2","7","7","5","6","1","1") = "6"
    & skf21("5","2","7","7","5","6","2","1") = "6"
    & skf21("5","2","7","7","5","6","3","1") = "6"
    & skf21("5","2","7","7","5","6","4","1") = "6"
    & skf21("5","2","7","7","5","6","5","1") = "6"
    & skf21("5","2","7","7","5","6","6","1") = "6"
    & skf21("5","2","7","7","5","6","7","1") = "6"
    & skf21("5","2","7","7","5","7","1","1") = "6"
    & skf21("5","2","7","7","5","7","2","1") = "6"
    & skf21("5","2","7","7","5","7","3","1") = "6"
    & skf21("5","2","7","7","5","7","4","1") = "6"
    & skf21("5","2","7","7","5","7","5","1") = "6"
    & skf21("5","2","7","7","5","7","6","1") = "6"
    & skf21("5","2","7","7","5","7","7","1") = "6"
    & skf21("5","2","7","7","6","1","1","1") = "6"
    & skf21("5","2","7","7","6","1","2","1") = "6"
    & skf21("5","2","7","7","6","1","3","1") = "6"
    & skf21("5","2","7","7","6","1","4","1") = "6"
    & skf21("5","2","7","7","6","1","5","1") = "6"
    & skf21("5","2","7","7","6","1","6","1") = "6"
    & skf21("5","2","7","7","6","1","7","1") = "6"
    & skf21("5","2","7","7","6","2","1","1") = "6"
    & skf21("5","2","7","7","6","2","2","1") = "6"
    & skf21("5","2","7","7","6","2","3","1") = "6"
    & skf21("5","2","7","7","6","2","4","1") = "6"
    & skf21("5","2","7","7","6","2","5","1") = "6"
    & skf21("5","2","7","7","6","2","6","1") = "6"
    & skf21("5","2","7","7","6","2","7","1") = "6"
    & skf21("5","2","7","7","6","3","1","1") = "6"
    & skf21("5","2","7","7","6","3","2","1") = "6"
    & skf21("5","2","7","7","6","3","3","1") = "6"
    & skf21("5","2","7","7","6","3","4","1") = "6"
    & skf21("5","2","7","7","6","3","5","1") = "6"
    & skf21("5","2","7","7","6","3","6","1") = "6"
    & skf21("5","2","7","7","6","3","7","1") = "6"
    & skf21("5","2","7","7","6","4","1","1") = "6"
    & skf21("5","2","7","7","6","4","2","1") = "6"
    & skf21("5","2","7","7","6","4","3","1") = "6"
    & skf21("5","2","7","7","6","4","4","1") = "6"
    & skf21("5","2","7","7","6","4","5","1") = "6"
    & skf21("5","2","7","7","6","4","6","1") = "6"
    & skf21("5","2","7","7","6","4","7","1") = "6"
    & skf21("5","2","7","7","6","5","1","1") = "6"
    & skf21("5","2","7","7","6","5","2","1") = "6"
    & skf21("5","2","7","7","6","5","3","1") = "6"
    & skf21("5","2","7","7","6","5","4","1") = "6"
    & skf21("5","2","7","7","6","5","5","1") = "6"
    & skf21("5","2","7","7","6","5","6","1") = "6"
    & skf21("5","2","7","7","6","5","7","1") = "6"
    & skf21("5","2","7","7","6","6","1","1") = "6"
    & skf21("5","2","7","7","6","6","2","1") = "6"
    & skf21("5","2","7","7","6","6","3","1") = "6"
    & skf21("5","2","7","7","6","6","4","1") = "6"
    & skf21("5","2","7","7","6","6","5","1") = "6"
    & skf21("5","2","7","7","6","6","6","1") = "6"
    & skf21("5","2","7","7","6","6","7","1") = "6"
    & skf21("5","2","7","7","6","7","1","1") = "6"
    & skf21("5","2","7","7","6","7","2","1") = "6"
    & skf21("5","2","7","7","6","7","3","1") = "6"
    & skf21("5","2","7","7","6","7","4","1") = "6"
    & skf21("5","2","7","7","6","7","5","1") = "6"
    & skf21("5","2","7","7","6","7","6","1") = "6"
    & skf21("5","2","7","7","6","7","7","1") = "6"
    & skf21("5","2","7","7","7","1","1","1") = "6"
    & skf21("5","2","7","7","7","1","2","1") = "6"
    & skf21("5","2","7","7","7","1","3","1") = "6"
    & skf21("5","2","7","7","7","1","4","1") = "6"
    & skf21("5","2","7","7","7","1","5","1") = "6"
    & skf21("5","2","7","7","7","1","6","1") = "6"
    & skf21("5","2","7","7","7","1","7","1") = "6"
    & skf21("5","2","7","7","7","2","1","1") = "6"
    & skf21("5","2","7","7","7","2","2","1") = "6"
    & skf21("5","2","7","7","7","2","3","1") = "6"
    & skf21("5","2","7","7","7","2","4","1") = "6"
    & skf21("5","2","7","7","7","2","5","1") = "6"
    & skf21("5","2","7","7","7","2","6","1") = "6"
    & skf21("5","2","7","7","7","2","7","1") = "6"
    & skf21("5","2","7","7","7","3","1","1") = "6"
    & skf21("5","2","7","7","7","3","2","1") = "6"
    & skf21("5","2","7","7","7","3","3","1") = "6"
    & skf21("5","2","7","7","7","3","4","1") = "6"
    & skf21("5","2","7","7","7","3","5","1") = "6"
    & skf21("5","2","7","7","7","3","6","1") = "6"
    & skf21("5","2","7","7","7","3","7","1") = "6"
    & skf21("5","2","7","7","7","4","1","1") = "6"
    & skf21("5","2","7","7","7","4","2","1") = "6"
    & skf21("5","2","7","7","7","4","3","1") = "6"
    & skf21("5","2","7","7","7","4","4","1") = "6"
    & skf21("5","2","7","7","7","4","5","1") = "6"
    & skf21("5","2","7","7","7","4","6","1") = "6"
    & skf21("5","2","7","7","7","4","7","1") = "6"
    & skf21("5","2","7","7","7","5","1","1") = "6"
    & skf21("5","2","7","7","7","5","2","1") = "6"
    & skf21("5","2","7","7","7","5","3","1") = "6"
    & skf21("5","2","7","7","7","5","4","1") = "6"
    & skf21("5","2","7","7","7","5","5","1") = "6"
    & skf21("5","2","7","7","7","5","6","1") = "6"
    & skf21("5","2","7","7","7","5","7","1") = "6"
    & skf21("5","2","7","7","7","6","1","1") = "6"
    & skf21("5","2","7","7","7","6","2","1") = "6"
    & skf21("5","2","7","7","7","6","3","1") = "6"
    & skf21("5","2","7","7","7","6","4","1") = "6"
    & skf21("5","2","7","7","7","6","5","1") = "6"
    & skf21("5","2","7","7","7","6","6","1") = "6"
    & skf21("5","2","7","7","7","6","7","1") = "6"
    & skf21("5","2","7","7","7","7","1","1") = "6"
    & skf21("5","2","7","7","7","7","2","1") = "6"
    & skf21("5","2","7","7","7","7","3","1") = "6"
    & skf21("5","2","7","7","7","7","4","1") = "6"
    & skf21("5","2","7","7","7","7","5","1") = "6"
    & skf21("5","2","7","7","7","7","6","1") = "6"
    & skf21("5","2","7","7","7","7","7","1") = "6"
    & skf21("5","3","1","1","1","1","1","1") = "4"
    & skf21("5","3","1","1","1","1","2","1") = "4"
    & skf21("5","3","1","1","1","1","3","1") = "4"
    & skf21("5","3","1","1","1","1","4","1") = "4"
    & skf21("5","3","1","1","1","1","5","1") = "4"
    & skf21("5","3","1","1","1","1","6","1") = "5"
    & skf21("5","3","1","1","1","1","7","1") = "6"
    & skf21("5","3","1","1","1","2","1","1") = "4"
    & skf21("5","3","1","1","1","2","2","1") = "4"
    & skf21("5","3","1","1","1","2","3","1") = "4"
    & skf21("5","3","1","1","1","2","4","1") = "4"
    & skf21("5","3","1","1","1","2","5","1") = "4"
    & skf21("5","3","1","1","1","2","6","1") = "5"
    & skf21("5","3","1","1","1","2","7","1") = "6"
    & skf21("5","3","1","1","1","3","1","1") = "4"
    & skf21("5","3","1","1","1","3","2","1") = "4"
    & skf21("5","3","1","1","1","3","3","1") = "4"
    & skf21("5","3","1","1","1","3","4","1") = "4"
    & skf21("5","3","1","1","1","3","5","1") = "4"
    & skf21("5","3","1","1","1","3","6","1") = "5"
    & skf21("5","3","1","1","1","3","7","1") = "6"
    & skf21("5","3","1","1","1","4","1","1") = "4"
    & skf21("5","3","1","1","1","4","2","1") = "4"
    & skf21("5","3","1","1","1","4","3","1") = "4"
    & skf21("5","3","1","1","1","4","4","1") = "4"
    & skf21("5","3","1","1","1","4","5","1") = "4"
    & skf21("5","3","1","1","1","4","6","1") = "5"
    & skf21("5","3","1","1","1","4","7","1") = "6"
    & skf21("5","3","1","1","1","5","1","1") = "4"
    & skf21("5","3","1","1","1","5","2","1") = "4"
    & skf21("5","3","1","1","1","5","3","1") = "4"
    & skf21("5","3","1","1","1","5","4","1") = "4"
    & skf21("5","3","1","1","1","5","5","1") = "4"
    & skf21("5","3","1","1","1","5","6","1") = "5"
    & skf21("5","3","1","1","1","5","7","1") = "6"
    & skf21("5","3","1","1","1","6","1","1") = "5"
    & skf21("5","3","1","1","1","6","2","1") = "5"
    & skf21("5","3","1","1","1","6","3","1") = "5"
    & skf21("5","3","1","1","1","6","4","1") = "5"
    & skf21("5","3","1","1","1","6","5","1") = "5"
    & skf21("5","3","1","1","1","6","6","1") = "5"
    & skf21("5","3","1","1","1","6","7","1") = "6"
    & skf21("5","3","1","1","1","7","1","1") = "6"
    & skf21("5","3","1","1","1","7","2","1") = "6"
    & skf21("5","3","1","1","1","7","3","1") = "6"
    & skf21("5","3","1","1","1","7","4","1") = "6"
    & skf21("5","3","1","1","1","7","5","1") = "6"
    & skf21("5","3","1","1","1","7","6","1") = "6"
    & skf21("5","3","1","1","1","7","7","1") = "6"
    & skf21("5","3","1","1","2","1","1","1") = "4"
    & skf21("5","3","1","1","2","1","2","1") = "4"
    & skf21("5","3","1","1","2","1","3","1") = "4"
    & skf21("5","3","1","1","2","1","4","1") = "4"
    & skf21("5","3","1","1","2","1","5","1") = "4"
    & skf21("5","3","1","1","2","1","6","1") = "5"
    & skf21("5","3","1","1","2","1","7","1") = "6"
    & skf21("5","3","1","1","2","2","1","1") = "4"
    & skf21("5","3","1","1","2","2","2","1") = "4"
    & skf21("5","3","1","1","2","2","3","1") = "4"
    & skf21("5","3","1","1","2","2","4","1") = "4"
    & skf21("5","3","1","1","2","2","5","1") = "4"
    & skf21("5","3","1","1","2","2","6","1") = "5"
    & skf21("5","3","1","1","2","2","7","1") = "6"
    & skf21("5","3","1","1","2","3","1","1") = "4"
    & skf21("5","3","1","1","2","3","2","1") = "4"
    & skf21("5","3","1","1","2","3","3","1") = "4"
    & skf21("5","3","1","1","2","3","4","1") = "4"
    & skf21("5","3","1","1","2","3","5","1") = "4"
    & skf21("5","3","1","1","2","3","6","1") = "5"
    & skf21("5","3","1","1","2","3","7","1") = "6"
    & skf21("5","3","1","1","2","4","1","1") = "4"
    & skf21("5","3","1","1","2","4","2","1") = "4"
    & skf21("5","3","1","1","2","4","3","1") = "4"
    & skf21("5","3","1","1","2","4","4","1") = "4"
    & skf21("5","3","1","1","2","4","5","1") = "4"
    & skf21("5","3","1","1","2","4","6","1") = "5"
    & skf21("5","3","1","1","2","4","7","1") = "6"
    & skf21("5","3","1","1","2","5","1","1") = "4"
    & skf21("5","3","1","1","2","5","2","1") = "4"
    & skf21("5","3","1","1","2","5","3","1") = "4"
    & skf21("5","3","1","1","2","5","4","1") = "4"
    & skf21("5","3","1","1","2","5","5","1") = "4"
    & skf21("5","3","1","1","2","5","6","1") = "5"
    & skf21("5","3","1","1","2","5","7","1") = "6"
    & skf21("5","3","1","1","2","6","1","1") = "5"
    & skf21("5","3","1","1","2","6","2","1") = "5"
    & skf21("5","3","1","1","2","6","3","1") = "5"
    & skf21("5","3","1","1","2","6","4","1") = "5"
    & skf21("5","3","1","1","2","6","5","1") = "5"
    & skf21("5","3","1","1","2","6","6","1") = "5"
    & skf21("5","3","1","1","2","6","7","1") = "6"
    & skf21("5","3","1","1","2","7","1","1") = "6"
    & skf21("5","3","1","1","2","7","2","1") = "6"
    & skf21("5","3","1","1","2","7","3","1") = "6"
    & skf21("5","3","1","1","2","7","4","1") = "6"
    & skf21("5","3","1","1","2","7","5","1") = "6"
    & skf21("5","3","1","1","2","7","6","1") = "6"
    & skf21("5","3","1","1","2","7","7","1") = "6"
    & skf21("5","3","1","1","3","1","1","1") = "4"
    & skf21("5","3","1","1","3","1","2","1") = "4"
    & skf21("5","3","1","1","3","1","3","1") = "4"
    & skf21("5","3","1","1","3","1","4","1") = "4"
    & skf21("5","3","1","1","3","1","5","1") = "4"
    & skf21("5","3","1","1","3","1","6","1") = "5"
    & skf21("5","3","1","1","3","1","7","1") = "6"
    & skf21("5","3","1","1","3","2","1","1") = "4"
    & skf21("5","3","1","1","3","2","2","1") = "4"
    & skf21("5","3","1","1","3","2","3","1") = "4"
    & skf21("5","3","1","1","3","2","4","1") = "4"
    & skf21("5","3","1","1","3","2","5","1") = "4"
    & skf21("5","3","1","1","3","2","6","1") = "5"
    & skf21("5","3","1","1","3","2","7","1") = "6"
    & skf21("5","3","1","1","3","3","1","1") = "4"
    & skf21("5","3","1","1","3","3","2","1") = "4"
    & skf21("5","3","1","1","3","3","3","1") = "4"
    & skf21("5","3","1","1","3","3","4","1") = "4"
    & skf21("5","3","1","1","3","3","5","1") = "4"
    & skf21("5","3","1","1","3","3","6","1") = "5"
    & skf21("5","3","1","1","3","3","7","1") = "6"
    & skf21("5","3","1","1","3","4","1","1") = "4"
    & skf21("5","3","1","1","3","4","2","1") = "4"
    & skf21("5","3","1","1","3","4","3","1") = "4"
    & skf21("5","3","1","1","3","4","4","1") = "4"
    & skf21("5","3","1","1","3","4","5","1") = "4"
    & skf21("5","3","1","1","3","4","6","1") = "5"
    & skf21("5","3","1","1","3","4","7","1") = "6"
    & skf21("5","3","1","1","3","5","1","1") = "4"
    & skf21("5","3","1","1","3","5","2","1") = "4"
    & skf21("5","3","1","1","3","5","3","1") = "4"
    & skf21("5","3","1","1","3","5","4","1") = "4"
    & skf21("5","3","1","1","3","5","5","1") = "4"
    & skf21("5","3","1","1","3","5","6","1") = "5"
    & skf21("5","3","1","1","3","5","7","1") = "6"
    & skf21("5","3","1","1","3","6","1","1") = "5"
    & skf21("5","3","1","1","3","6","2","1") = "5"
    & skf21("5","3","1","1","3","6","3","1") = "5"
    & skf21("5","3","1","1","3","6","4","1") = "5"
    & skf21("5","3","1","1","3","6","5","1") = "5"
    & skf21("5","3","1","1","3","6","6","1") = "5"
    & skf21("5","3","1","1","3","6","7","1") = "6"
    & skf21("5","3","1","1","3","7","1","1") = "6"
    & skf21("5","3","1","1","3","7","2","1") = "6"
    & skf21("5","3","1","1","3","7","3","1") = "6"
    & skf21("5","3","1","1","3","7","4","1") = "6"
    & skf21("5","3","1","1","3","7","5","1") = "6"
    & skf21("5","3","1","1","3","7","6","1") = "6"
    & skf21("5","3","1","1","3","7","7","1") = "6"
    & skf21("5","3","1","1","4","1","1","1") = "4"
    & skf21("5","3","1","1","4","1","2","1") = "4"
    & skf21("5","3","1","1","4","1","3","1") = "4"
    & skf21("5","3","1","1","4","1","4","1") = "4"
    & skf21("5","3","1","1","4","1","5","1") = "4"
    & skf21("5","3","1","1","4","1","6","1") = "5"
    & skf21("5","3","1","1","4","1","7","1") = "6"
    & skf21("5","3","1","1","4","2","1","1") = "4"
    & skf21("5","3","1","1","4","2","2","1") = "4"
    & skf21("5","3","1","1","4","2","3","1") = "4"
    & skf21("5","3","1","1","4","2","4","1") = "4"
    & skf21("5","3","1","1","4","2","5","1") = "4"
    & skf21("5","3","1","1","4","2","6","1") = "5"
    & skf21("5","3","1","1","4","2","7","1") = "6"
    & skf21("5","3","1","1","4","3","1","1") = "4"
    & skf21("5","3","1","1","4","3","2","1") = "4"
    & skf21("5","3","1","1","4","3","3","1") = "4"
    & skf21("5","3","1","1","4","3","4","1") = "4"
    & skf21("5","3","1","1","4","3","5","1") = "4"
    & skf21("5","3","1","1","4","3","6","1") = "5"
    & skf21("5","3","1","1","4","3","7","1") = "6"
    & skf21("5","3","1","1","4","4","1","1") = "4"
    & skf21("5","3","1","1","4","4","2","1") = "4"
    & skf21("5","3","1","1","4","4","3","1") = "4"
    & skf21("5","3","1","1","4","4","4","1") = "4"
    & skf21("5","3","1","1","4","4","5","1") = "4"
    & skf21("5","3","1","1","4","4","6","1") = "5"
    & skf21("5","3","1","1","4","4","7","1") = "6"
    & skf21("5","3","1","1","4","5","1","1") = "4"
    & skf21("5","3","1","1","4","5","2","1") = "4"
    & skf21("5","3","1","1","4","5","3","1") = "4"
    & skf21("5","3","1","1","4","5","4","1") = "4"
    & skf21("5","3","1","1","4","5","5","1") = "4"
    & skf21("5","3","1","1","4","5","6","1") = "5"
    & skf21("5","3","1","1","4","5","7","1") = "6"
    & skf21("5","3","1","1","4","6","1","1") = "5"
    & skf21("5","3","1","1","4","6","2","1") = "5"
    & skf21("5","3","1","1","4","6","3","1") = "5"
    & skf21("5","3","1","1","4","6","4","1") = "5"
    & skf21("5","3","1","1","4","6","5","1") = "5"
    & skf21("5","3","1","1","4","6","6","1") = "5"
    & skf21("5","3","1","1","4","6","7","1") = "6"
    & skf21("5","3","1","1","4","7","1","1") = "6"
    & skf21("5","3","1","1","4","7","2","1") = "6"
    & skf21("5","3","1","1","4","7","3","1") = "6"
    & skf21("5","3","1","1","4","7","4","1") = "6"
    & skf21("5","3","1","1","4","7","5","1") = "6"
    & skf21("5","3","1","1","4","7","6","1") = "6"
    & skf21("5","3","1","1","4","7","7","1") = "6"
    & skf21("5","3","1","1","5","1","1","1") = "4"
    & skf21("5","3","1","1","5","1","2","1") = "4"
    & skf21("5","3","1","1","5","1","3","1") = "4"
    & skf21("5","3","1","1","5","1","4","1") = "4"
    & skf21("5","3","1","1","5","1","5","1") = "4"
    & skf21("5","3","1","1","5","1","6","1") = "5"
    & skf21("5","3","1","1","5","1","7","1") = "6"
    & skf21("5","3","1","1","5","2","1","1") = "4"
    & skf21("5","3","1","1","5","2","2","1") = "4"
    & skf21("5","3","1","1","5","2","3","1") = "4"
    & skf21("5","3","1","1","5","2","4","1") = "4"
    & skf21("5","3","1","1","5","2","5","1") = "4"
    & skf21("5","3","1","1","5","2","6","1") = "5"
    & skf21("5","3","1","1","5","2","7","1") = "6"
    & skf21("5","3","1","1","5","3","1","1") = "4"
    & skf21("5","3","1","1","5","3","2","1") = "4"
    & skf21("5","3","1","1","5","3","3","1") = "4"
    & skf21("5","3","1","1","5","3","4","1") = "4"
    & skf21("5","3","1","1","5","3","5","1") = "4"
    & skf21("5","3","1","1","5","3","6","1") = "5"
    & skf21("5","3","1","1","5","3","7","1") = "6"
    & skf21("5","3","1","1","5","4","1","1") = "4"
    & skf21("5","3","1","1","5","4","2","1") = "4"
    & skf21("5","3","1","1","5","4","3","1") = "4"
    & skf21("5","3","1","1","5","4","4","1") = "4"
    & skf21("5","3","1","1","5","4","5","1") = "4"
    & skf21("5","3","1","1","5","4","6","1") = "5"
    & skf21("5","3","1","1","5","4","7","1") = "6"
    & skf21("5","3","1","1","5","5","1","1") = "4"
    & skf21("5","3","1","1","5","5","2","1") = "4"
    & skf21("5","3","1","1","5","5","3","1") = "4"
    & skf21("5","3","1","1","5","5","4","1") = "4"
    & skf21("5","3","1","1","5","5","5","1") = "4"
    & skf21("5","3","1","1","5","5","6","1") = "5"
    & skf21("5","3","1","1","5","5","7","1") = "6"
    & skf21("5","3","1","1","5","6","1","1") = "5"
    & skf21("5","3","1","1","5","6","2","1") = "5"
    & skf21("5","3","1","1","5","6","3","1") = "5"
    & skf21("5","3","1","1","5","6","4","1") = "5"
    & skf21("5","3","1","1","5","6","5","1") = "5"
    & skf21("5","3","1","1","5","6","6","1") = "5"
    & skf21("5","3","1","1","5","6","7","1") = "6"
    & skf21("5","3","1","1","5","7","1","1") = "6"
    & skf21("5","3","1","1","5","7","2","1") = "6"
    & skf21("5","3","1","1","5","7","3","1") = "6"
    & skf21("5","3","1","1","5","7","4","1") = "6"
    & skf21("5","3","1","1","5","7","5","1") = "6"
    & skf21("5","3","1","1","5","7","6","1") = "6"
    & skf21("5","3","1","1","5","7","7","1") = "6"
    & skf21("5","3","1","1","6","1","1","1") = "5"
    & skf21("5","3","1","1","6","1","2","1") = "5"
    & skf21("5","3","1","1","6","1","3","1") = "5"
    & skf21("5","3","1","1","6","1","4","1") = "5"
    & skf21("5","3","1","1","6","1","5","1") = "5"
    & skf21("5","3","1","1","6","1","6","1") = "5"
    & skf21("5","3","1","1","6","1","7","1") = "6"
    & skf21("5","3","1","1","6","2","1","1") = "5"
    & skf21("5","3","1","1","6","2","2","1") = "5"
    & skf21("5","3","1","1","6","2","3","1") = "5"
    & skf21("5","3","1","1","6","2","4","1") = "5"
    & skf21("5","3","1","1","6","2","5","1") = "5"
    & skf21("5","3","1","1","6","2","6","1") = "5"
    & skf21("5","3","1","1","6","2","7","1") = "6"
    & skf21("5","3","1","1","6","3","1","1") = "5"
    & skf21("5","3","1","1","6","3","2","1") = "5"
    & skf21("5","3","1","1","6","3","3","1") = "5"
    & skf21("5","3","1","1","6","3","4","1") = "5"
    & skf21("5","3","1","1","6","3","5","1") = "5"
    & skf21("5","3","1","1","6","3","6","1") = "5"
    & skf21("5","3","1","1","6","3","7","1") = "6"
    & skf21("5","3","1","1","6","4","1","1") = "5"
    & skf21("5","3","1","1","6","4","2","1") = "5"
    & skf21("5","3","1","1","6","4","3","1") = "5"
    & skf21("5","3","1","1","6","4","4","1") = "5"
    & skf21("5","3","1","1","6","4","5","1") = "5"
    & skf21("5","3","1","1","6","4","6","1") = "5"
    & skf21("5","3","1","1","6","4","7","1") = "6"
    & skf21("5","3","1","1","6","5","1","1") = "5"
    & skf21("5","3","1","1","6","5","2","1") = "5"
    & skf21("5","3","1","1","6","5","3","1") = "5"
    & skf21("5","3","1","1","6","5","4","1") = "5"
    & skf21("5","3","1","1","6","5","5","1") = "5"
    & skf21("5","3","1","1","6","5","6","1") = "5"
    & skf21("5","3","1","1","6","5","7","1") = "6"
    & skf21("5","3","1","1","6","6","1","1") = "5"
    & skf21("5","3","1","1","6","6","2","1") = "5"
    & skf21("5","3","1","1","6","6","3","1") = "5"
    & skf21("5","3","1","1","6","6","4","1") = "5"
    & skf21("5","3","1","1","6","6","5","1") = "5"
    & skf21("5","3","1","1","6","6","6","1") = "5"
    & skf21("5","3","1","1","6","6","7","1") = "6"
    & skf21("5","3","1","1","6","7","1","1") = "6"
    & skf21("5","3","1","1","6","7","2","1") = "6"
    & skf21("5","3","1","1","6","7","3","1") = "6"
    & skf21("5","3","1","1","6","7","4","1") = "6"
    & skf21("5","3","1","1","6","7","5","1") = "6"
    & skf21("5","3","1","1","6","7","6","1") = "6"
    & skf21("5","3","1","1","6","7","7","1") = "6"
    & skf21("5","3","1","1","7","1","1","1") = "6"
    & skf21("5","3","1","1","7","1","2","1") = "6"
    & skf21("5","3","1","1","7","1","3","1") = "6"
    & skf21("5","3","1","1","7","1","4","1") = "6"
    & skf21("5","3","1","1","7","1","5","1") = "6"
    & skf21("5","3","1","1","7","1","6","1") = "6"
    & skf21("5","3","1","1","7","1","7","1") = "6"
    & skf21("5","3","1","1","7","2","1","1") = "6"
    & skf21("5","3","1","1","7","2","2","1") = "6"
    & skf21("5","3","1","1","7","2","3","1") = "6"
    & skf21("5","3","1","1","7","2","4","1") = "6"
    & skf21("5","3","1","1","7","2","5","1") = "6"
    & skf21("5","3","1","1","7","2","6","1") = "6"
    & skf21("5","3","1","1","7","2","7","1") = "6"
    & skf21("5","3","1","1","7","3","1","1") = "6"
    & skf21("5","3","1","1","7","3","2","1") = "6"
    & skf21("5","3","1","1","7","3","3","1") = "6"
    & skf21("5","3","1","1","7","3","4","1") = "6"
    & skf21("5","3","1","1","7","3","5","1") = "6"
    & skf21("5","3","1","1","7","3","6","1") = "6"
    & skf21("5","3","1","1","7","3","7","1") = "6"
    & skf21("5","3","1","1","7","4","1","1") = "6"
    & skf21("5","3","1","1","7","4","2","1") = "6"
    & skf21("5","3","1","1","7","4","3","1") = "6"
    & skf21("5","3","1","1","7","4","4","1") = "6"
    & skf21("5","3","1","1","7","4","5","1") = "6"
    & skf21("5","3","1","1","7","4","6","1") = "6"
    & skf21("5","3","1","1","7","4","7","1") = "6"
    & skf21("5","3","1","1","7","5","1","1") = "6"
    & skf21("5","3","1","1","7","5","2","1") = "6"
    & skf21("5","3","1","1","7","5","3","1") = "6"
    & skf21("5","3","1","1","7","5","4","1") = "6"
    & skf21("5","3","1","1","7","5","5","1") = "6"
    & skf21("5","3","1","1","7","5","6","1") = "6"
    & skf21("5","3","1","1","7","5","7","1") = "6"
    & skf21("5","3","1","1","7","6","1","1") = "6"
    & skf21("5","3","1","1","7","6","2","1") = "6"
    & skf21("5","3","1","1","7","6","3","1") = "6"
    & skf21("5","3","1","1","7","6","4","1") = "6"
    & skf21("5","3","1","1","7","6","5","1") = "6"
    & skf21("5","3","1","1","7","6","6","1") = "6"
    & skf21("5","3","1","1","7","6","7","1") = "6"
    & skf21("5","3","1","1","7","7","1","1") = "6"
    & skf21("5","3","1","1","7","7","2","1") = "6"
    & skf21("5","3","1","1","7","7","3","1") = "6"
    & skf21("5","3","1","1","7","7","4","1") = "6"
    & skf21("5","3","1","1","7","7","5","1") = "6"
    & skf21("5","3","1","1","7","7","6","1") = "6"
    & skf21("5","3","1","1","7","7","7","1") = "6"
    & skf21("5","3","1","2","1","1","1","1") = "4"
    & skf21("5","3","1","2","1","1","2","1") = "4"
    & skf21("5","3","1","2","1","1","3","1") = "4"
    & skf21("5","3","1","2","1","1","4","1") = "4"
    & skf21("5","3","1","2","1","1","5","1") = "4"
    & skf21("5","3","1","2","1","1","6","1") = "5"
    & skf21("5","3","1","2","1","1","7","1") = "6"
    & skf21("5","3","1","2","1","2","1","1") = "4"
    & skf21("5","3","1","2","1","2","2","1") = "4"
    & skf21("5","3","1","2","1","2","3","1") = "4"
    & skf21("5","3","1","2","1","2","4","1") = "4"
    & skf21("5","3","1","2","1","2","5","1") = "4"
    & skf21("5","3","1","2","1","2","6","1") = "5"
    & skf21("5","3","1","2","1","2","7","1") = "6"
    & skf21("5","3","1","2","1","3","1","1") = "4"
    & skf21("5","3","1","2","1","3","2","1") = "4"
    & skf21("5","3","1","2","1","3","3","1") = "4"
    & skf21("5","3","1","2","1","3","4","1") = "4"
    & skf21("5","3","1","2","1","3","5","1") = "4"
    & skf21("5","3","1","2","1","3","6","1") = "5"
    & skf21("5","3","1","2","1","3","7","1") = "6"
    & skf21("5","3","1","2","1","4","1","1") = "4"
    & skf21("5","3","1","2","1","4","2","1") = "4"
    & skf21("5","3","1","2","1","4","3","1") = "4"
    & skf21("5","3","1","2","1","4","4","1") = "4"
    & skf21("5","3","1","2","1","4","5","1") = "4"
    & skf21("5","3","1","2","1","4","6","1") = "5"
    & skf21("5","3","1","2","1","4","7","1") = "6"
    & skf21("5","3","1","2","1","5","1","1") = "4"
    & skf21("5","3","1","2","1","5","2","1") = "4"
    & skf21("5","3","1","2","1","5","3","1") = "4"
    & skf21("5","3","1","2","1","5","4","1") = "4"
    & skf21("5","3","1","2","1","5","5","1") = "4"
    & skf21("5","3","1","2","1","5","6","1") = "5"
    & skf21("5","3","1","2","1","5","7","1") = "6"
    & skf21("5","3","1","2","1","6","1","1") = "5"
    & skf21("5","3","1","2","1","6","2","1") = "5"
    & skf21("5","3","1","2","1","6","3","1") = "5"
    & skf21("5","3","1","2","1","6","4","1") = "5"
    & skf21("5","3","1","2","1","6","5","1") = "5"
    & skf21("5","3","1","2","1","6","6","1") = "5"
    & skf21("5","3","1","2","1","6","7","1") = "6"
    & skf21("5","3","1","2","1","7","1","1") = "6"
    & skf21("5","3","1","2","1","7","2","1") = "6"
    & skf21("5","3","1","2","1","7","3","1") = "6"
    & skf21("5","3","1","2","1","7","4","1") = "6"
    & skf21("5","3","1","2","1","7","5","1") = "6"
    & skf21("5","3","1","2","1","7","6","1") = "6"
    & skf21("5","3","1","2","1","7","7","1") = "6"
    & skf21("5","3","1","2","2","1","1","1") = "4"
    & skf21("5","3","1","2","2","1","2","1") = "4"
    & skf21("5","3","1","2","2","1","3","1") = "4"
    & skf21("5","3","1","2","2","1","4","1") = "4"
    & skf21("5","3","1","2","2","1","5","1") = "4"
    & skf21("5","3","1","2","2","1","6","1") = "5"
    & skf21("5","3","1","2","2","1","7","1") = "6"
    & skf21("5","3","1","2","2","2","1","1") = "4"
    & skf21("5","3","1","2","2","2","2","1") = "4"
    & skf21("5","3","1","2","2","2","3","1") = "4"
    & skf21("5","3","1","2","2","2","4","1") = "4"
    & skf21("5","3","1","2","2","2","5","1") = "4"
    & skf21("5","3","1","2","2","2","6","1") = "5"
    & skf21("5","3","1","2","2","2","7","1") = "6"
    & skf21("5","3","1","2","2","3","1","1") = "4"
    & skf21("5","3","1","2","2","3","2","1") = "4"
    & skf21("5","3","1","2","2","3","3","1") = "4"
    & skf21("5","3","1","2","2","3","4","1") = "4"
    & skf21("5","3","1","2","2","3","5","1") = "4"
    & skf21("5","3","1","2","2","3","6","1") = "5"
    & skf21("5","3","1","2","2","3","7","1") = "6"
    & skf21("5","3","1","2","2","4","1","1") = "4"
    & skf21("5","3","1","2","2","4","2","1") = "4"
    & skf21("5","3","1","2","2","4","3","1") = "4"
    & skf21("5","3","1","2","2","4","4","1") = "4"
    & skf21("5","3","1","2","2","4","5","1") = "4"
    & skf21("5","3","1","2","2","4","6","1") = "5"
    & skf21("5","3","1","2","2","4","7","1") = "6"
    & skf21("5","3","1","2","2","5","1","1") = "4"
    & skf21("5","3","1","2","2","5","2","1") = "4"
    & skf21("5","3","1","2","2","5","3","1") = "4"
    & skf21("5","3","1","2","2","5","4","1") = "4"
    & skf21("5","3","1","2","2","5","5","1") = "4"
    & skf21("5","3","1","2","2","5","6","1") = "5"
    & skf21("5","3","1","2","2","5","7","1") = "6"
    & skf21("5","3","1","2","2","6","1","1") = "5"
    & skf21("5","3","1","2","2","6","2","1") = "5"
    & skf21("5","3","1","2","2","6","3","1") = "5"
    & skf21("5","3","1","2","2","6","4","1") = "5"
    & skf21("5","3","1","2","2","6","5","1") = "5"
    & skf21("5","3","1","2","2","6","6","1") = "5"
    & skf21("5","3","1","2","2","6","7","1") = "6"
    & skf21("5","3","1","2","2","7","1","1") = "6"
    & skf21("5","3","1","2","2","7","2","1") = "6"
    & skf21("5","3","1","2","2","7","3","1") = "6"
    & skf21("5","3","1","2","2","7","4","1") = "6"
    & skf21("5","3","1","2","2","7","5","1") = "6"
    & skf21("5","3","1","2","2","7","6","1") = "6"
    & skf21("5","3","1","2","2","7","7","1") = "6"
    & skf21("5","3","1","2","3","1","1","1") = "4"
    & skf21("5","3","1","2","3","1","2","1") = "4"
    & skf21("5","3","1","2","3","1","3","1") = "4"
    & skf21("5","3","1","2","3","1","4","1") = "4"
    & skf21("5","3","1","2","3","1","5","1") = "4"
    & skf21("5","3","1","2","3","1","6","1") = "5"
    & skf21("5","3","1","2","3","1","7","1") = "6"
    & skf21("5","3","1","2","3","2","1","1") = "4"
    & skf21("5","3","1","2","3","2","2","1") = "4"
    & skf21("5","3","1","2","3","2","3","1") = "4"
    & skf21("5","3","1","2","3","2","4","1") = "4"
    & skf21("5","3","1","2","3","2","5","1") = "4"
    & skf21("5","3","1","2","3","2","6","1") = "5"
    & skf21("5","3","1","2","3","2","7","1") = "6"
    & skf21("5","3","1","2","3","3","1","1") = "4"
    & skf21("5","3","1","2","3","3","2","1") = "4"
    & skf21("5","3","1","2","3","3","3","1") = "4"
    & skf21("5","3","1","2","3","3","4","1") = "4"
    & skf21("5","3","1","2","3","3","5","1") = "4"
    & skf21("5","3","1","2","3","3","6","1") = "5"
    & skf21("5","3","1","2","3","3","7","1") = "6"
    & skf21("5","3","1","2","3","4","1","1") = "4"
    & skf21("5","3","1","2","3","4","2","1") = "4"
    & skf21("5","3","1","2","3","4","3","1") = "4"
    & skf21("5","3","1","2","3","4","4","1") = "4"
    & skf21("5","3","1","2","3","4","5","1") = "4"
    & skf21("5","3","1","2","3","4","6","1") = "5"
    & skf21("5","3","1","2","3","4","7","1") = "6"
    & skf21("5","3","1","2","3","5","1","1") = "4"
    & skf21("5","3","1","2","3","5","2","1") = "4"
    & skf21("5","3","1","2","3","5","3","1") = "4"
    & skf21("5","3","1","2","3","5","4","1") = "4"
    & skf21("5","3","1","2","3","5","5","1") = "4"
    & skf21("5","3","1","2","3","5","6","1") = "5"
    & skf21("5","3","1","2","3","5","7","1") = "6"
    & skf21("5","3","1","2","3","6","1","1") = "5"
    & skf21("5","3","1","2","3","6","2","1") = "5"
    & skf21("5","3","1","2","3","6","3","1") = "5"
    & skf21("5","3","1","2","3","6","4","1") = "5"
    & skf21("5","3","1","2","3","6","5","1") = "5"
    & skf21("5","3","1","2","3","6","6","1") = "5"
    & skf21("5","3","1","2","3","6","7","1") = "6"
    & skf21("5","3","1","2","3","7","1","1") = "6"
    & skf21("5","3","1","2","3","7","2","1") = "6"
    & skf21("5","3","1","2","3","7","3","1") = "6"
    & skf21("5","3","1","2","3","7","4","1") = "6"
    & skf21("5","3","1","2","3","7","5","1") = "6"
    & skf21("5","3","1","2","3","7","6","1") = "6"
    & skf21("5","3","1","2","3","7","7","1") = "6"
    & skf21("5","3","1","2","4","1","1","1") = "4"
    & skf21("5","3","1","2","4","1","2","1") = "4"
    & skf21("5","3","1","2","4","1","3","1") = "4"
    & skf21("5","3","1","2","4","1","4","1") = "4"
    & skf21("5","3","1","2","4","1","5","1") = "4"
    & skf21("5","3","1","2","4","1","6","1") = "5"
    & skf21("5","3","1","2","4","1","7","1") = "6"
    & skf21("5","3","1","2","4","2","1","1") = "4"
    & skf21("5","3","1","2","4","2","2","1") = "4"
    & skf21("5","3","1","2","4","2","3","1") = "4"
    & skf21("5","3","1","2","4","2","4","1") = "4"
    & skf21("5","3","1","2","4","2","5","1") = "4"
    & skf21("5","3","1","2","4","2","6","1") = "5"
    & skf21("5","3","1","2","4","2","7","1") = "6"
    & skf21("5","3","1","2","4","3","1","1") = "4"
    & skf21("5","3","1","2","4","3","2","1") = "4"
    & skf21("5","3","1","2","4","3","3","1") = "4"
    & skf21("5","3","1","2","4","3","4","1") = "4"
    & skf21("5","3","1","2","4","3","5","1") = "4"
    & skf21("5","3","1","2","4","3","6","1") = "5"
    & skf21("5","3","1","2","4","3","7","1") = "6"
    & skf21("5","3","1","2","4","4","1","1") = "4"
    & skf21("5","3","1","2","4","4","2","1") = "4"
    & skf21("5","3","1","2","4","4","3","1") = "4"
    & skf21("5","3","1","2","4","4","4","1") = "4"
    & skf21("5","3","1","2","4","4","5","1") = "4"
    & skf21("5","3","1","2","4","4","6","1") = "5"
    & skf21("5","3","1","2","4","4","7","1") = "6"
    & skf21("5","3","1","2","4","5","1","1") = "4"
    & skf21("5","3","1","2","4","5","2","1") = "4"
    & skf21("5","3","1","2","4","5","3","1") = "4"
    & skf21("5","3","1","2","4","5","4","1") = "4"
    & skf21("5","3","1","2","4","5","5","1") = "4"
    & skf21("5","3","1","2","4","5","6","1") = "5"
    & skf21("5","3","1","2","4","5","7","1") = "6"
    & skf21("5","3","1","2","4","6","1","1") = "5"
    & skf21("5","3","1","2","4","6","2","1") = "5"
    & skf21("5","3","1","2","4","6","3","1") = "5"
    & skf21("5","3","1","2","4","6","4","1") = "5"
    & skf21("5","3","1","2","4","6","5","1") = "5"
    & skf21("5","3","1","2","4","6","6","1") = "5"
    & skf21("5","3","1","2","4","6","7","1") = "6"
    & skf21("5","3","1","2","4","7","1","1") = "6"
    & skf21("5","3","1","2","4","7","2","1") = "6"
    & skf21("5","3","1","2","4","7","3","1") = "6"
    & skf21("5","3","1","2","4","7","4","1") = "6"
    & skf21("5","3","1","2","4","7","5","1") = "6"
    & skf21("5","3","1","2","4","7","6","1") = "6"
    & skf21("5","3","1","2","4","7","7","1") = "6"
    & skf21("5","3","1","2","5","1","1","1") = "4"
    & skf21("5","3","1","2","5","1","2","1") = "4"
    & skf21("5","3","1","2","5","1","3","1") = "4"
    & skf21("5","3","1","2","5","1","4","1") = "4"
    & skf21("5","3","1","2","5","1","5","1") = "4"
    & skf21("5","3","1","2","5","1","6","1") = "5"
    & skf21("5","3","1","2","5","1","7","1") = "6"
    & skf21("5","3","1","2","5","2","1","1") = "4"
    & skf21("5","3","1","2","5","2","2","1") = "4"
    & skf21("5","3","1","2","5","2","3","1") = "4"
    & skf21("5","3","1","2","5","2","4","1") = "4"
    & skf21("5","3","1","2","5","2","5","1") = "4"
    & skf21("5","3","1","2","5","2","6","1") = "5"
    & skf21("5","3","1","2","5","2","7","1") = "6"
    & skf21("5","3","1","2","5","3","1","1") = "4"
    & skf21("5","3","1","2","5","3","2","1") = "4"
    & skf21("5","3","1","2","5","3","3","1") = "4"
    & skf21("5","3","1","2","5","3","4","1") = "4"
    & skf21("5","3","1","2","5","3","5","1") = "4"
    & skf21("5","3","1","2","5","3","6","1") = "5"
    & skf21("5","3","1","2","5","3","7","1") = "6"
    & skf21("5","3","1","2","5","4","1","1") = "4"
    & skf21("5","3","1","2","5","4","2","1") = "4"
    & skf21("5","3","1","2","5","4","3","1") = "4"
    & skf21("5","3","1","2","5","4","4","1") = "4"
    & skf21("5","3","1","2","5","4","5","1") = "4"
    & skf21("5","3","1","2","5","4","6","1") = "5"
    & skf21("5","3","1","2","5","4","7","1") = "6"
    & skf21("5","3","1","2","5","5","1","1") = "4"
    & skf21("5","3","1","2","5","5","2","1") = "4"
    & skf21("5","3","1","2","5","5","3","1") = "4"
    & skf21("5","3","1","2","5","5","4","1") = "4"
    & skf21("5","3","1","2","5","5","5","1") = "4"
    & skf21("5","3","1","2","5","5","6","1") = "5"
    & skf21("5","3","1","2","5","5","7","1") = "6"
    & skf21("5","3","1","2","5","6","1","1") = "5"
    & skf21("5","3","1","2","5","6","2","1") = "5"
    & skf21("5","3","1","2","5","6","3","1") = "5"
    & skf21("5","3","1","2","5","6","4","1") = "5"
    & skf21("5","3","1","2","5","6","5","1") = "5"
    & skf21("5","3","1","2","5","6","6","1") = "5"
    & skf21("5","3","1","2","5","6","7","1") = "6"
    & skf21("5","3","1","2","5","7","1","1") = "6"
    & skf21("5","3","1","2","5","7","2","1") = "6"
    & skf21("5","3","1","2","5","7","3","1") = "6"
    & skf21("5","3","1","2","5","7","4","1") = "6"
    & skf21("5","3","1","2","5","7","5","1") = "6"
    & skf21("5","3","1","2","5","7","6","1") = "6"
    & skf21("5","3","1","2","5","7","7","1") = "6"
    & skf21("5","3","1","2","6","1","1","1") = "5"
    & skf21("5","3","1","2","6","1","2","1") = "5"
    & skf21("5","3","1","2","6","1","3","1") = "5"
    & skf21("5","3","1","2","6","1","4","1") = "5"
    & skf21("5","3","1","2","6","1","5","1") = "5"
    & skf21("5","3","1","2","6","1","6","1") = "5"
    & skf21("5","3","1","2","6","1","7","1") = "6"
    & skf21("5","3","1","2","6","2","1","1") = "5"
    & skf21("5","3","1","2","6","2","2","1") = "5"
    & skf21("5","3","1","2","6","2","3","1") = "5"
    & skf21("5","3","1","2","6","2","4","1") = "5"
    & skf21("5","3","1","2","6","2","5","1") = "5"
    & skf21("5","3","1","2","6","2","6","1") = "5"
    & skf21("5","3","1","2","6","2","7","1") = "6"
    & skf21("5","3","1","2","6","3","1","1") = "5"
    & skf21("5","3","1","2","6","3","2","1") = "5"
    & skf21("5","3","1","2","6","3","3","1") = "5"
    & skf21("5","3","1","2","6","3","4","1") = "5"
    & skf21("5","3","1","2","6","3","5","1") = "5"
    & skf21("5","3","1","2","6","3","6","1") = "5"
    & skf21("5","3","1","2","6","3","7","1") = "6"
    & skf21("5","3","1","2","6","4","1","1") = "5"
    & skf21("5","3","1","2","6","4","2","1") = "5"
    & skf21("5","3","1","2","6","4","3","1") = "5"
    & skf21("5","3","1","2","6","4","4","1") = "5"
    & skf21("5","3","1","2","6","4","5","1") = "5"
    & skf21("5","3","1","2","6","4","6","1") = "5"
    & skf21("5","3","1","2","6","4","7","1") = "6"
    & skf21("5","3","1","2","6","5","1","1") = "5"
    & skf21("5","3","1","2","6","5","2","1") = "5"
    & skf21("5","3","1","2","6","5","3","1") = "5"
    & skf21("5","3","1","2","6","5","4","1") = "5"
    & skf21("5","3","1","2","6","5","5","1") = "5"
    & skf21("5","3","1","2","6","5","6","1") = "5"
    & skf21("5","3","1","2","6","5","7","1") = "6"
    & skf21("5","3","1","2","6","6","1","1") = "5"
    & skf21("5","3","1","2","6","6","2","1") = "5"
    & skf21("5","3","1","2","6","6","3","1") = "5"
    & skf21("5","3","1","2","6","6","4","1") = "5"
    & skf21("5","3","1","2","6","6","5","1") = "5"
    & skf21("5","3","1","2","6","6","6","1") = "5"
    & skf21("5","3","1","2","6","6","7","1") = "6"
    & skf21("5","3","1","2","6","7","1","1") = "6"
    & skf21("5","3","1","2","6","7","2","1") = "6"
    & skf21("5","3","1","2","6","7","3","1") = "6"
    & skf21("5","3","1","2","6","7","4","1") = "6"
    & skf21("5","3","1","2","6","7","5","1") = "6"
    & skf21("5","3","1","2","6","7","6","1") = "6"
    & skf21("5","3","1","2","6","7","7","1") = "6"
    & skf21("5","3","1","2","7","1","1","1") = "6"
    & skf21("5","3","1","2","7","1","2","1") = "6"
    & skf21("5","3","1","2","7","1","3","1") = "6"
    & skf21("5","3","1","2","7","1","4","1") = "6"
    & skf21("5","3","1","2","7","1","5","1") = "6"
    & skf21("5","3","1","2","7","1","6","1") = "6"
    & skf21("5","3","1","2","7","1","7","1") = "6"
    & skf21("5","3","1","2","7","2","1","1") = "6"
    & skf21("5","3","1","2","7","2","2","1") = "6"
    & skf21("5","3","1","2","7","2","3","1") = "6"
    & skf21("5","3","1","2","7","2","4","1") = "6"
    & skf21("5","3","1","2","7","2","5","1") = "6"
    & skf21("5","3","1","2","7","2","6","1") = "6"
    & skf21("5","3","1","2","7","2","7","1") = "6"
    & skf21("5","3","1","2","7","3","1","1") = "6"
    & skf21("5","3","1","2","7","3","2","1") = "6"
    & skf21("5","3","1","2","7","3","3","1") = "6"
    & skf21("5","3","1","2","7","3","4","1") = "6"
    & skf21("5","3","1","2","7","3","5","1") = "6"
    & skf21("5","3","1","2","7","3","6","1") = "6"
    & skf21("5","3","1","2","7","3","7","1") = "6"
    & skf21("5","3","1","2","7","4","1","1") = "6"
    & skf21("5","3","1","2","7","4","2","1") = "6"
    & skf21("5","3","1","2","7","4","3","1") = "6"
    & skf21("5","3","1","2","7","4","4","1") = "6"
    & skf21("5","3","1","2","7","4","5","1") = "6"
    & skf21("5","3","1","2","7","4","6","1") = "6"
    & skf21("5","3","1","2","7","4","7","1") = "6"
    & skf21("5","3","1","2","7","5","1","1") = "6"
    & skf21("5","3","1","2","7","5","2","1") = "6"
    & skf21("5","3","1","2","7","5","3","1") = "6"
    & skf21("5","3","1","2","7","5","4","1") = "6"
    & skf21("5","3","1","2","7","5","5","1") = "6"
    & skf21("5","3","1","2","7","5","6","1") = "6"
    & skf21("5","3","1","2","7","5","7","1") = "6"
    & skf21("5","3","1","2","7","6","1","1") = "6"
    & skf21("5","3","1","2","7","6","2","1") = "6"
    & skf21("5","3","1","2","7","6","3","1") = "6"
    & skf21("5","3","1","2","7","6","4","1") = "6"
    & skf21("5","3","1","2","7","6","5","1") = "6"
    & skf21("5","3","1","2","7","6","6","1") = "6"
    & skf21("5","3","1","2","7","6","7","1") = "6"
    & skf21("5","3","1","2","7","7","1","1") = "6"
    & skf21("5","3","1","2","7","7","2","1") = "6"
    & skf21("5","3","1","2","7","7","3","1") = "6"
    & skf21("5","3","1","2","7","7","4","1") = "6"
    & skf21("5","3","1","2","7","7","5","1") = "6"
    & skf21("5","3","1","2","7","7","6","1") = "6"
    & skf21("5","3","1","2","7","7","7","1") = "6"
    & skf21("5","3","1","3","1","1","1","1") = "4"
    & skf21("5","3","1","3","1","1","2","1") = "4"
    & skf21("5","3","1","3","1","1","3","1") = "4"
    & skf21("5","3","1","3","1","1","4","1") = "4"
    & skf21("5","3","1","3","1","1","5","1") = "4"
    & skf21("5","3","1","3","1","1","6","1") = "5"
    & skf21("5","3","1","3","1","1","7","1") = "6"
    & skf21("5","3","1","3","1","2","1","1") = "4"
    & skf21("5","3","1","3","1","2","2","1") = "4"
    & skf21("5","3","1","3","1","2","3","1") = "4"
    & skf21("5","3","1","3","1","2","4","1") = "4"
    & skf21("5","3","1","3","1","2","5","1") = "4"
    & skf21("5","3","1","3","1","2","6","1") = "5"
    & skf21("5","3","1","3","1","2","7","1") = "6"
    & skf21("5","3","1","3","1","3","1","1") = "4"
    & skf21("5","3","1","3","1","3","2","1") = "4"
    & skf21("5","3","1","3","1","3","3","1") = "4"
    & skf21("5","3","1","3","1","3","4","1") = "4"
    & skf21("5","3","1","3","1","3","5","1") = "4"
    & skf21("5","3","1","3","1","3","6","1") = "5"
    & skf21("5","3","1","3","1","3","7","1") = "6"
    & skf21("5","3","1","3","1","4","1","1") = "4"
    & skf21("5","3","1","3","1","4","2","1") = "4"
    & skf21("5","3","1","3","1","4","3","1") = "4"
    & skf21("5","3","1","3","1","4","4","1") = "4"
    & skf21("5","3","1","3","1","4","5","1") = "4"
    & skf21("5","3","1","3","1","4","6","1") = "5"
    & skf21("5","3","1","3","1","4","7","1") = "6"
    & skf21("5","3","1","3","1","5","1","1") = "4"
    & skf21("5","3","1","3","1","5","2","1") = "4"
    & skf21("5","3","1","3","1","5","3","1") = "4"
    & skf21("5","3","1","3","1","5","4","1") = "4"
    & skf21("5","3","1","3","1","5","5","1") = "4"
    & skf21("5","3","1","3","1","5","6","1") = "5"
    & skf21("5","3","1","3","1","5","7","1") = "6"
    & skf21("5","3","1","3","1","6","1","1") = "5"
    & skf21("5","3","1","3","1","6","2","1") = "5"
    & skf21("5","3","1","3","1","6","3","1") = "5"
    & skf21("5","3","1","3","1","6","4","1") = "5"
    & skf21("5","3","1","3","1","6","5","1") = "5"
    & skf21("5","3","1","3","1","6","6","1") = "5"
    & skf21("5","3","1","3","1","6","7","1") = "6"
    & skf21("5","3","1","3","1","7","1","1") = "6"
    & skf21("5","3","1","3","1","7","2","1") = "6"
    & skf21("5","3","1","3","1","7","3","1") = "6"
    & skf21("5","3","1","3","1","7","4","1") = "6"
    & skf21("5","3","1","3","1","7","5","1") = "6"
    & skf21("5","3","1","3","1","7","6","1") = "6"
    & skf21("5","3","1","3","1","7","7","1") = "6"
    & skf21("5","3","1","3","2","1","1","1") = "4"
    & skf21("5","3","1","3","2","1","2","1") = "4"
    & skf21("5","3","1","3","2","1","3","1") = "4"
    & skf21("5","3","1","3","2","1","4","1") = "4"
    & skf21("5","3","1","3","2","1","5","1") = "4"
    & skf21("5","3","1","3","2","1","6","1") = "5"
    & skf21("5","3","1","3","2","1","7","1") = "6"
    & skf21("5","3","1","3","2","2","1","1") = "4"
    & skf21("5","3","1","3","2","2","2","1") = "4"
    & skf21("5","3","1","3","2","2","3","1") = "4"
    & skf21("5","3","1","3","2","2","4","1") = "4"
    & skf21("5","3","1","3","2","2","5","1") = "4"
    & skf21("5","3","1","3","2","2","6","1") = "5"
    & skf21("5","3","1","3","2","2","7","1") = "6"
    & skf21("5","3","1","3","2","3","1","1") = "4"
    & skf21("5","3","1","3","2","3","2","1") = "4"
    & skf21("5","3","1","3","2","3","3","1") = "4"
    & skf21("5","3","1","3","2","3","4","1") = "4"
    & skf21("5","3","1","3","2","3","5","1") = "4"
    & skf21("5","3","1","3","2","3","6","1") = "5"
    & skf21("5","3","1","3","2","3","7","1") = "6"
    & skf21("5","3","1","3","2","4","1","1") = "4"
    & skf21("5","3","1","3","2","4","2","1") = "4"
    & skf21("5","3","1","3","2","4","3","1") = "4"
    & skf21("5","3","1","3","2","4","4","1") = "4"
    & skf21("5","3","1","3","2","4","5","1") = "4"
    & skf21("5","3","1","3","2","4","6","1") = "5"
    & skf21("5","3","1","3","2","4","7","1") = "6"
    & skf21("5","3","1","3","2","5","1","1") = "4"
    & skf21("5","3","1","3","2","5","2","1") = "4"
    & skf21("5","3","1","3","2","5","3","1") = "4"
    & skf21("5","3","1","3","2","5","4","1") = "4"
    & skf21("5","3","1","3","2","5","5","1") = "4"
    & skf21("5","3","1","3","2","5","6","1") = "5"
    & skf21("5","3","1","3","2","5","7","1") = "6"
    & skf21("5","3","1","3","2","6","1","1") = "5"
    & skf21("5","3","1","3","2","6","2","1") = "5"
    & skf21("5","3","1","3","2","6","3","1") = "5"
    & skf21("5","3","1","3","2","6","4","1") = "5"
    & skf21("5","3","1","3","2","6","5","1") = "5"
    & skf21("5","3","1","3","2","6","6","1") = "5"
    & skf21("5","3","1","3","2","6","7","1") = "6"
    & skf21("5","3","1","3","2","7","1","1") = "6"
    & skf21("5","3","1","3","2","7","2","1") = "6"
    & skf21("5","3","1","3","2","7","3","1") = "6"
    & skf21("5","3","1","3","2","7","4","1") = "6"
    & skf21("5","3","1","3","2","7","5","1") = "6"
    & skf21("5","3","1","3","2","7","6","1") = "6"
    & skf21("5","3","1","3","2","7","7","1") = "6"
    & skf21("5","3","1","3","3","1","1","1") = "4"
    & skf21("5","3","1","3","3","1","2","1") = "4"
    & skf21("5","3","1","3","3","1","3","1") = "4"
    & skf21("5","3","1","3","3","1","4","1") = "4"
    & skf21("5","3","1","3","3","1","5","1") = "4"
    & skf21("5","3","1","3","3","1","6","1") = "5"
    & skf21("5","3","1","3","3","1","7","1") = "6"
    & skf21("5","3","1","3","3","2","1","1") = "4"
    & skf21("5","3","1","3","3","2","2","1") = "4"
    & skf21("5","3","1","3","3","2","3","1") = "4"
    & skf21("5","3","1","3","3","2","4","1") = "4"
    & skf21("5","3","1","3","3","2","5","1") = "4"
    & skf21("5","3","1","3","3","2","6","1") = "5"
    & skf21("5","3","1","3","3","2","7","1") = "6"
    & skf21("5","3","1","3","3","3","1","1") = "4"
    & skf21("5","3","1","3","3","3","2","1") = "4"
    & skf21("5","3","1","3","3","3","3","1") = "4"
    & skf21("5","3","1","3","3","3","4","1") = "4"
    & skf21("5","3","1","3","3","3","5","1") = "4"
    & skf21("5","3","1","3","3","3","6","1") = "5"
    & skf21("5","3","1","3","3","3","7","1") = "6"
    & skf21("5","3","1","3","3","4","1","1") = "4"
    & skf21("5","3","1","3","3","4","2","1") = "4"
    & skf21("5","3","1","3","3","4","3","1") = "4"
    & skf21("5","3","1","3","3","4","4","1") = "4"
    & skf21("5","3","1","3","3","4","5","1") = "4"
    & skf21("5","3","1","3","3","4","6","1") = "5"
    & skf21("5","3","1","3","3","4","7","1") = "6"
    & skf21("5","3","1","3","3","5","1","1") = "4"
    & skf21("5","3","1","3","3","5","2","1") = "4"
    & skf21("5","3","1","3","3","5","3","1") = "4"
    & skf21("5","3","1","3","3","5","4","1") = "4"
    & skf21("5","3","1","3","3","5","5","1") = "4"
    & skf21("5","3","1","3","3","5","6","1") = "5"
    & skf21("5","3","1","3","3","5","7","1") = "6"
    & skf21("5","3","1","3","3","6","1","1") = "5"
    & skf21("5","3","1","3","3","6","2","1") = "5"
    & skf21("5","3","1","3","3","6","3","1") = "5"
    & skf21("5","3","1","3","3","6","4","1") = "5"
    & skf21("5","3","1","3","3","6","5","1") = "5"
    & skf21("5","3","1","3","3","6","6","1") = "5"
    & skf21("5","3","1","3","3","6","7","1") = "6"
    & skf21("5","3","1","3","3","7","1","1") = "6"
    & skf21("5","3","1","3","3","7","2","1") = "6"
    & skf21("5","3","1","3","3","7","3","1") = "6"
    & skf21("5","3","1","3","3","7","4","1") = "6"
    & skf21("5","3","1","3","3","7","5","1") = "6"
    & skf21("5","3","1","3","3","7","6","1") = "6"
    & skf21("5","3","1","3","3","7","7","1") = "6"
    & skf21("5","3","1","3","4","1","1","1") = "4"
    & skf21("5","3","1","3","4","1","2","1") = "4"
    & skf21("5","3","1","3","4","1","3","1") = "4"
    & skf21("5","3","1","3","4","1","4","1") = "4"
    & skf21("5","3","1","3","4","1","5","1") = "4"
    & skf21("5","3","1","3","4","1","6","1") = "5"
    & skf21("5","3","1","3","4","1","7","1") = "6"
    & skf21("5","3","1","3","4","2","1","1") = "4"
    & skf21("5","3","1","3","4","2","2","1") = "4"
    & skf21("5","3","1","3","4","2","3","1") = "4"
    & skf21("5","3","1","3","4","2","4","1") = "4"
    & skf21("5","3","1","3","4","2","5","1") = "4"
    & skf21("5","3","1","3","4","2","6","1") = "5"
    & skf21("5","3","1","3","4","2","7","1") = "6"
    & skf21("5","3","1","3","4","3","1","1") = "4"
    & skf21("5","3","1","3","4","3","2","1") = "4"
    & skf21("5","3","1","3","4","3","3","1") = "4"
    & skf21("5","3","1","3","4","3","4","1") = "4"
    & skf21("5","3","1","3","4","3","5","1") = "4"
    & skf21("5","3","1","3","4","3","6","1") = "5"
    & skf21("5","3","1","3","4","3","7","1") = "6"
    & skf21("5","3","1","3","4","4","1","1") = "4"
    & skf21("5","3","1","3","4","4","2","1") = "4"
    & skf21("5","3","1","3","4","4","3","1") = "4"
    & skf21("5","3","1","3","4","4","4","1") = "4"
    & skf21("5","3","1","3","4","4","5","1") = "4"
    & skf21("5","3","1","3","4","4","6","1") = "5"
    & skf21("5","3","1","3","4","4","7","1") = "6"
    & skf21("5","3","1","3","4","5","1","1") = "4"
    & skf21("5","3","1","3","4","5","2","1") = "4"
    & skf21("5","3","1","3","4","5","3","1") = "4"
    & skf21("5","3","1","3","4","5","4","1") = "4"
    & skf21("5","3","1","3","4","5","5","1") = "4"
    & skf21("5","3","1","3","4","5","6","1") = "5"
    & skf21("5","3","1","3","4","5","7","1") = "6"
    & skf21("5","3","1","3","4","6","1","1") = "5"
    & skf21("5","3","1","3","4","6","2","1") = "5"
    & skf21("5","3","1","3","4","6","3","1") = "5"
    & skf21("5","3","1","3","4","6","4","1") = "5"
    & skf21("5","3","1","3","4","6","5","1") = "5"
    & skf21("5","3","1","3","4","6","6","1") = "5"
    & skf21("5","3","1","3","4","6","7","1") = "6"
    & skf21("5","3","1","3","4","7","1","1") = "6"
    & skf21("5","3","1","3","4","7","2","1") = "6"
    & skf21("5","3","1","3","4","7","3","1") = "6"
    & skf21("5","3","1","3","4","7","4","1") = "6"
    & skf21("5","3","1","3","4","7","5","1") = "6"
    & skf21("5","3","1","3","4","7","6","1") = "6"
    & skf21("5","3","1","3","4","7","7","1") = "6"
    & skf21("5","3","1","3","5","1","1","1") = "4"
    & skf21("5","3","1","3","5","1","2","1") = "4"
    & skf21("5","3","1","3","5","1","3","1") = "4"
    & skf21("5","3","1","3","5","1","4","1") = "4"
    & skf21("5","3","1","3","5","1","5","1") = "4"
    & skf21("5","3","1","3","5","1","6","1") = "5"
    & skf21("5","3","1","3","5","1","7","1") = "6"
    & skf21("5","3","1","3","5","2","1","1") = "4"
    & skf21("5","3","1","3","5","2","2","1") = "4"
    & skf21("5","3","1","3","5","2","3","1") = "4"
    & skf21("5","3","1","3","5","2","4","1") = "4"
    & skf21("5","3","1","3","5","2","5","1") = "4"
    & skf21("5","3","1","3","5","2","6","1") = "5"
    & skf21("5","3","1","3","5","2","7","1") = "6"
    & skf21("5","3","1","3","5","3","1","1") = "4"
    & skf21("5","3","1","3","5","3","2","1") = "4"
    & skf21("5","3","1","3","5","3","3","1") = "4"
    & skf21("5","3","1","3","5","3","4","1") = "4"
    & skf21("5","3","1","3","5","3","5","1") = "4"
    & skf21("5","3","1","3","5","3","6","1") = "5"
    & skf21("5","3","1","3","5","3","7","1") = "6"
    & skf21("5","3","1","3","5","4","1","1") = "4"
    & skf21("5","3","1","3","5","4","2","1") = "4"
    & skf21("5","3","1","3","5","4","3","1") = "4"
    & skf21("5","3","1","3","5","4","4","1") = "4"
    & skf21("5","3","1","3","5","4","5","1") = "4"
    & skf21("5","3","1","3","5","4","6","1") = "5"
    & skf21("5","3","1","3","5","4","7","1") = "6"
    & skf21("5","3","1","3","5","5","1","1") = "4"
    & skf21("5","3","1","3","5","5","2","1") = "4"
    & skf21("5","3","1","3","5","5","3","1") = "4"
    & skf21("5","3","1","3","5","5","4","1") = "4"
    & skf21("5","3","1","3","5","5","5","1") = "4"
    & skf21("5","3","1","3","5","5","6","1") = "5"
    & skf21("5","3","1","3","5","5","7","1") = "6"
    & skf21("5","3","1","3","5","6","1","1") = "5"
    & skf21("5","3","1","3","5","6","2","1") = "5"
    & skf21("5","3","1","3","5","6","3","1") = "5"
    & skf21("5","3","1","3","5","6","4","1") = "5"
    & skf21("5","3","1","3","5","6","5","1") = "5"
    & skf21("5","3","1","3","5","6","6","1") = "5"
    & skf21("5","3","1","3","5","6","7","1") = "6"
    & skf21("5","3","1","3","5","7","1","1") = "6"
    & skf21("5","3","1","3","5","7","2","1") = "6"
    & skf21("5","3","1","3","5","7","3","1") = "6"
    & skf21("5","3","1","3","5","7","4","1") = "6"
    & skf21("5","3","1","3","5","7","5","1") = "6"
    & skf21("5","3","1","3","5","7","6","1") = "6"
    & skf21("5","3","1","3","5","7","7","1") = "6"
    & skf21("5","3","1","3","6","1","1","1") = "5"
    & skf21("5","3","1","3","6","1","2","1") = "5"
    & skf21("5","3","1","3","6","1","3","1") = "5"
    & skf21("5","3","1","3","6","1","4","1") = "5"
    & skf21("5","3","1","3","6","1","5","1") = "5"
    & skf21("5","3","1","3","6","1","6","1") = "5"
    & skf21("5","3","1","3","6","1","7","1") = "6"
    & skf21("5","3","1","3","6","2","1","1") = "5"
    & skf21("5","3","1","3","6","2","2","1") = "5"
    & skf21("5","3","1","3","6","2","3","1") = "5"
    & skf21("5","3","1","3","6","2","4","1") = "5"
    & skf21("5","3","1","3","6","2","5","1") = "5"
    & skf21("5","3","1","3","6","2","6","1") = "5"
    & skf21("5","3","1","3","6","2","7","1") = "6"
    & skf21("5","3","1","3","6","3","1","1") = "5"
    & skf21("5","3","1","3","6","3","2","1") = "5"
    & skf21("5","3","1","3","6","3","3","1") = "5"
    & skf21("5","3","1","3","6","3","4","1") = "5"
    & skf21("5","3","1","3","6","3","5","1") = "5"
    & skf21("5","3","1","3","6","3","6","1") = "5"
    & skf21("5","3","1","3","6","3","7","1") = "6"
    & skf21("5","3","1","3","6","4","1","1") = "5"
    & skf21("5","3","1","3","6","4","2","1") = "5"
    & skf21("5","3","1","3","6","4","3","1") = "5"
    & skf21("5","3","1","3","6","4","4","1") = "5"
    & skf21("5","3","1","3","6","4","5","1") = "5"
    & skf21("5","3","1","3","6","4","6","1") = "5"
    & skf21("5","3","1","3","6","4","7","1") = "6"
    & skf21("5","3","1","3","6","5","1","1") = "5"
    & skf21("5","3","1","3","6","5","2","1") = "5"
    & skf21("5","3","1","3","6","5","3","1") = "5"
    & skf21("5","3","1","3","6","5","4","1") = "5"
    & skf21("5","3","1","3","6","5","5","1") = "5"
    & skf21("5","3","1","3","6","5","6","1") = "5"
    & skf21("5","3","1","3","6","5","7","1") = "6"
    & skf21("5","3","1","3","6","6","1","1") = "5"
    & skf21("5","3","1","3","6","6","2","1") = "5"
    & skf21("5","3","1","3","6","6","3","1") = "5"
    & skf21("5","3","1","3","6","6","4","1") = "5"
    & skf21("5","3","1","3","6","6","5","1") = "5"
    & skf21("5","3","1","3","6","6","6","1") = "5"
    & skf21("5","3","1","3","6","6","7","1") = "6"
    & skf21("5","3","1","3","6","7","1","1") = "6"
    & skf21("5","3","1","3","6","7","2","1") = "6"
    & skf21("5","3","1","3","6","7","3","1") = "6"
    & skf21("5","3","1","3","6","7","4","1") = "6"
    & skf21("5","3","1","3","6","7","5","1") = "6"
    & skf21("5","3","1","3","6","7","6","1") = "6"
    & skf21("5","3","1","3","6","7","7","1") = "6"
    & skf21("5","3","1","3","7","1","1","1") = "6"
    & skf21("5","3","1","3","7","1","2","1") = "6"
    & skf21("5","3","1","3","7","1","3","1") = "6"
    & skf21("5","3","1","3","7","1","4","1") = "6"
    & skf21("5","3","1","3","7","1","5","1") = "6"
    & skf21("5","3","1","3","7","1","6","1") = "6"
    & skf21("5","3","1","3","7","1","7","1") = "6"
    & skf21("5","3","1","3","7","2","1","1") = "6"
    & skf21("5","3","1","3","7","2","2","1") = "6"
    & skf21("5","3","1","3","7","2","3","1") = "6"
    & skf21("5","3","1","3","7","2","4","1") = "6"
    & skf21("5","3","1","3","7","2","5","1") = "6"
    & skf21("5","3","1","3","7","2","6","1") = "6"
    & skf21("5","3","1","3","7","2","7","1") = "6"
    & skf21("5","3","1","3","7","3","1","1") = "6"
    & skf21("5","3","1","3","7","3","2","1") = "6"
    & skf21("5","3","1","3","7","3","3","1") = "6"
    & skf21("5","3","1","3","7","3","4","1") = "6"
    & skf21("5","3","1","3","7","3","5","1") = "6"
    & skf21("5","3","1","3","7","3","6","1") = "6"
    & skf21("5","3","1","3","7","3","7","1") = "6"
    & skf21("5","3","1","3","7","4","1","1") = "6"
    & skf21("5","3","1","3","7","4","2","1") = "6"
    & skf21("5","3","1","3","7","4","3","1") = "6"
    & skf21("5","3","1","3","7","4","4","1") = "6"
    & skf21("5","3","1","3","7","4","5","1") = "6"
    & skf21("5","3","1","3","7","4","6","1") = "6"
    & skf21("5","3","1","3","7","4","7","1") = "6"
    & skf21("5","3","1","3","7","5","1","1") = "6"
    & skf21("5","3","1","3","7","5","2","1") = "6"
    & skf21("5","3","1","3","7","5","3","1") = "6"
    & skf21("5","3","1","3","7","5","4","1") = "6"
    & skf21("5","3","1","3","7","5","5","1") = "6"
    & skf21("5","3","1","3","7","5","6","1") = "6"
    & skf21("5","3","1","3","7","5","7","1") = "6"
    & skf21("5","3","1","3","7","6","1","1") = "6"
    & skf21("5","3","1","3","7","6","2","1") = "6"
    & skf21("5","3","1","3","7","6","3","1") = "6"
    & skf21("5","3","1","3","7","6","4","1") = "6"
    & skf21("5","3","1","3","7","6","5","1") = "6"
    & skf21("5","3","1","3","7","6","6","1") = "6"
    & skf21("5","3","1","3","7","6","7","1") = "6"
    & skf21("5","3","1","3","7","7","1","1") = "6"
    & skf21("5","3","1","3","7","7","2","1") = "6"
    & skf21("5","3","1","3","7","7","3","1") = "6"
    & skf21("5","3","1","3","7","7","4","1") = "6"
    & skf21("5","3","1","3","7","7","5","1") = "6"
    & skf21("5","3","1","3","7","7","6","1") = "6"
    & skf21("5","3","1","3","7","7","7","1") = "6"
    & skf21("5","3","1","4","1","1","1","1") = "4"
    & skf21("5","3","1","4","1","1","2","1") = "4"
    & skf21("5","3","1","4","1","1","3","1") = "4"
    & skf21("5","3","1","4","1","1","4","1") = "4"
    & skf21("5","3","1","4","1","1","5","1") = "4"
    & skf21("5","3","1","4","1","1","6","1") = "5"
    & skf21("5","3","1","4","1","1","7","1") = "6"
    & skf21("5","3","1","4","1","2","1","1") = "4"
    & skf21("5","3","1","4","1","2","2","1") = "4"
    & skf21("5","3","1","4","1","2","3","1") = "4"
    & skf21("5","3","1","4","1","2","4","1") = "4"
    & skf21("5","3","1","4","1","2","5","1") = "4"
    & skf21("5","3","1","4","1","2","6","1") = "5"
    & skf21("5","3","1","4","1","2","7","1") = "6"
    & skf21("5","3","1","4","1","3","1","1") = "4"
    & skf21("5","3","1","4","1","3","2","1") = "4"
    & skf21("5","3","1","4","1","3","3","1") = "4"
    & skf21("5","3","1","4","1","3","4","1") = "4"
    & skf21("5","3","1","4","1","3","5","1") = "4"
    & skf21("5","3","1","4","1","3","6","1") = "5"
    & skf21("5","3","1","4","1","3","7","1") = "6"
    & skf21("5","3","1","4","1","4","1","1") = "4"
    & skf21("5","3","1","4","1","4","2","1") = "4"
    & skf21("5","3","1","4","1","4","3","1") = "4"
    & skf21("5","3","1","4","1","4","4","1") = "4"
    & skf21("5","3","1","4","1","4","5","1") = "4"
    & skf21("5","3","1","4","1","4","6","1") = "5"
    & skf21("5","3","1","4","1","4","7","1") = "6"
    & skf21("5","3","1","4","1","5","1","1") = "4"
    & skf21("5","3","1","4","1","5","2","1") = "4"
    & skf21("5","3","1","4","1","5","3","1") = "4"
    & skf21("5","3","1","4","1","5","4","1") = "4"
    & skf21("5","3","1","4","1","5","5","1") = "4"
    & skf21("5","3","1","4","1","5","6","1") = "5"
    & skf21("5","3","1","4","1","5","7","1") = "6"
    & skf21("5","3","1","4","1","6","1","1") = "5"
    & skf21("5","3","1","4","1","6","2","1") = "5"
    & skf21("5","3","1","4","1","6","3","1") = "5"
    & skf21("5","3","1","4","1","6","4","1") = "5"
    & skf21("5","3","1","4","1","6","5","1") = "5"
    & skf21("5","3","1","4","1","6","6","1") = "5"
    & skf21("5","3","1","4","1","6","7","1") = "6"
    & skf21("5","3","1","4","1","7","1","1") = "6"
    & skf21("5","3","1","4","1","7","2","1") = "6"
    & skf21("5","3","1","4","1","7","3","1") = "6"
    & skf21("5","3","1","4","1","7","4","1") = "6"
    & skf21("5","3","1","4","1","7","5","1") = "6"
    & skf21("5","3","1","4","1","7","6","1") = "6"
    & skf21("5","3","1","4","1","7","7","1") = "6"
    & skf21("5","3","1","4","2","1","1","1") = "4"
    & skf21("5","3","1","4","2","1","2","1") = "4"
    & skf21("5","3","1","4","2","1","3","1") = "4"
    & skf21("5","3","1","4","2","1","4","1") = "4"
    & skf21("5","3","1","4","2","1","5","1") = "4"
    & skf21("5","3","1","4","2","1","6","1") = "5"
    & skf21("5","3","1","4","2","1","7","1") = "6"
    & skf21("5","3","1","4","2","2","1","1") = "4"
    & skf21("5","3","1","4","2","2","2","1") = "4"
    & skf21("5","3","1","4","2","2","3","1") = "4"
    & skf21("5","3","1","4","2","2","4","1") = "4"
    & skf21("5","3","1","4","2","2","5","1") = "4"
    & skf21("5","3","1","4","2","2","6","1") = "5"
    & skf21("5","3","1","4","2","2","7","1") = "6"
    & skf21("5","3","1","4","2","3","1","1") = "4"
    & skf21("5","3","1","4","2","3","2","1") = "4"
    & skf21("5","3","1","4","2","3","3","1") = "4"
    & skf21("5","3","1","4","2","3","4","1") = "4"
    & skf21("5","3","1","4","2","3","5","1") = "4"
    & skf21("5","3","1","4","2","3","6","1") = "5"
    & skf21("5","3","1","4","2","3","7","1") = "6"
    & skf21("5","3","1","4","2","4","1","1") = "4"
    & skf21("5","3","1","4","2","4","2","1") = "4"
    & skf21("5","3","1","4","2","4","3","1") = "4"
    & skf21("5","3","1","4","2","4","4","1") = "4"
    & skf21("5","3","1","4","2","4","5","1") = "4"
    & skf21("5","3","1","4","2","4","6","1") = "5"
    & skf21("5","3","1","4","2","4","7","1") = "6"
    & skf21("5","3","1","4","2","5","1","1") = "4"
    & skf21("5","3","1","4","2","5","2","1") = "4"
    & skf21("5","3","1","4","2","5","3","1") = "4"
    & skf21("5","3","1","4","2","5","4","1") = "4"
    & skf21("5","3","1","4","2","5","5","1") = "4"
    & skf21("5","3","1","4","2","5","6","1") = "5"
    & skf21("5","3","1","4","2","5","7","1") = "6"
    & skf21("5","3","1","4","2","6","1","1") = "5"
    & skf21("5","3","1","4","2","6","2","1") = "5"
    & skf21("5","3","1","4","2","6","3","1") = "5"
    & skf21("5","3","1","4","2","6","4","1") = "5"
    & skf21("5","3","1","4","2","6","5","1") = "5"
    & skf21("5","3","1","4","2","6","6","1") = "5"
    & skf21("5","3","1","4","2","6","7","1") = "6"
    & skf21("5","3","1","4","2","7","1","1") = "6"
    & skf21("5","3","1","4","2","7","2","1") = "6"
    & skf21("5","3","1","4","2","7","3","1") = "6"
    & skf21("5","3","1","4","2","7","4","1") = "6"
    & skf21("5","3","1","4","2","7","5","1") = "6"
    & skf21("5","3","1","4","2","7","6","1") = "6"
    & skf21("5","3","1","4","2","7","7","1") = "6"
    & skf21("5","3","1","4","3","1","1","1") = "4"
    & skf21("5","3","1","4","3","1","2","1") = "4"
    & skf21("5","3","1","4","3","1","3","1") = "4"
    & skf21("5","3","1","4","3","1","4","1") = "4"
    & skf21("5","3","1","4","3","1","5","1") = "4"
    & skf21("5","3","1","4","3","1","6","1") = "5"
    & skf21("5","3","1","4","3","1","7","1") = "6"
    & skf21("5","3","1","4","3","2","1","1") = "4"
    & skf21("5","3","1","4","3","2","2","1") = "4"
    & skf21("5","3","1","4","3","2","3","1") = "4"
    & skf21("5","3","1","4","3","2","4","1") = "4"
    & skf21("5","3","1","4","3","2","5","1") = "4"
    & skf21("5","3","1","4","3","2","6","1") = "5"
    & skf21("5","3","1","4","3","2","7","1") = "6"
    & skf21("5","3","1","4","3","3","1","1") = "4"
    & skf21("5","3","1","4","3","3","2","1") = "4"
    & skf21("5","3","1","4","3","3","3","1") = "4"
    & skf21("5","3","1","4","3","3","4","1") = "4"
    & skf21("5","3","1","4","3","3","5","1") = "4"
    & skf21("5","3","1","4","3","3","6","1") = "5"
    & skf21("5","3","1","4","3","3","7","1") = "6"
    & skf21("5","3","1","4","3","4","1","1") = "4"
    & skf21("5","3","1","4","3","4","2","1") = "4"
    & skf21("5","3","1","4","3","4","3","1") = "4"
    & skf21("5","3","1","4","3","4","4","1") = "4"
    & skf21("5","3","1","4","3","4","5","1") = "4"
    & skf21("5","3","1","4","3","4","6","1") = "5"
    & skf21("5","3","1","4","3","4","7","1") = "6"
    & skf21("5","3","1","4","3","5","1","1") = "4"
    & skf21("5","3","1","4","3","5","2","1") = "4"
    & skf21("5","3","1","4","3","5","3","1") = "4"
    & skf21("5","3","1","4","3","5","4","1") = "4"
    & skf21("5","3","1","4","3","5","5","1") = "4"
    & skf21("5","3","1","4","3","5","6","1") = "5"
    & skf21("5","3","1","4","3","5","7","1") = "6"
    & skf21("5","3","1","4","3","6","1","1") = "5"
    & skf21("5","3","1","4","3","6","2","1") = "5"
    & skf21("5","3","1","4","3","6","3","1") = "5"
    & skf21("5","3","1","4","3","6","4","1") = "5"
    & skf21("5","3","1","4","3","6","5","1") = "5"
    & skf21("5","3","1","4","3","6","6","1") = "5"
    & skf21("5","3","1","4","3","6","7","1") = "6"
    & skf21("5","3","1","4","3","7","1","1") = "6"
    & skf21("5","3","1","4","3","7","2","1") = "6"
    & skf21("5","3","1","4","3","7","3","1") = "6"
    & skf21("5","3","1","4","3","7","4","1") = "6"
    & skf21("5","3","1","4","3","7","5","1") = "6"
    & skf21("5","3","1","4","3","7","6","1") = "6"
    & skf21("5","3","1","4","3","7","7","1") = "6"
    & skf21("5","3","1","4","4","1","1","1") = "4"
    & skf21("5","3","1","4","4","1","2","1") = "4"
    & skf21("5","3","1","4","4","1","3","1") = "4"
    & skf21("5","3","1","4","4","1","4","1") = "4"
    & skf21("5","3","1","4","4","1","5","1") = "4"
    & skf21("5","3","1","4","4","1","6","1") = "5"
    & skf21("5","3","1","4","4","1","7","1") = "6"
    & skf21("5","3","1","4","4","2","1","1") = "4"
    & skf21("5","3","1","4","4","2","2","1") = "4"
    & skf21("5","3","1","4","4","2","3","1") = "4"
    & skf21("5","3","1","4","4","2","4","1") = "4"
    & skf21("5","3","1","4","4","2","5","1") = "4"
    & skf21("5","3","1","4","4","2","6","1") = "5"
    & skf21("5","3","1","4","4","2","7","1") = "6"
    & skf21("5","3","1","4","4","3","1","1") = "4"
    & skf21("5","3","1","4","4","3","2","1") = "4"
    & skf21("5","3","1","4","4","3","3","1") = "4"
    & skf21("5","3","1","4","4","3","4","1") = "4"
    & skf21("5","3","1","4","4","3","5","1") = "4"
    & skf21("5","3","1","4","4","3","6","1") = "5"
    & skf21("5","3","1","4","4","3","7","1") = "6"
    & skf21("5","3","1","4","4","4","1","1") = "4"
    & skf21("5","3","1","4","4","4","2","1") = "4"
    & skf21("5","3","1","4","4","4","3","1") = "4"
    & skf21("5","3","1","4","4","4","4","1") = "4"
    & skf21("5","3","1","4","4","4","5","1") = "4"
    & skf21("5","3","1","4","4","4","6","1") = "5"
    & skf21("5","3","1","4","4","4","7","1") = "6"
    & skf21("5","3","1","4","4","5","1","1") = "4"
    & skf21("5","3","1","4","4","5","2","1") = "4"
    & skf21("5","3","1","4","4","5","3","1") = "4"
    & skf21("5","3","1","4","4","5","4","1") = "4"
    & skf21("5","3","1","4","4","5","5","1") = "4"
    & skf21("5","3","1","4","4","5","6","1") = "5"
    & skf21("5","3","1","4","4","5","7","1") = "6"
    & skf21("5","3","1","4","4","6","1","1") = "5"
    & skf21("5","3","1","4","4","6","2","1") = "5"
    & skf21("5","3","1","4","4","6","3","1") = "5"
    & skf21("5","3","1","4","4","6","4","1") = "5"
    & skf21("5","3","1","4","4","6","5","1") = "5"
    & skf21("5","3","1","4","4","6","6","1") = "5"
    & skf21("5","3","1","4","4","6","7","1") = "6"
    & skf21("5","3","1","4","4","7","1","1") = "6"
    & skf21("5","3","1","4","4","7","2","1") = "6"
    & skf21("5","3","1","4","4","7","3","1") = "6"
    & skf21("5","3","1","4","4","7","4","1") = "6"
    & skf21("5","3","1","4","4","7","5","1") = "6"
    & skf21("5","3","1","4","4","7","6","1") = "6"
    & skf21("5","3","1","4","4","7","7","1") = "6"
    & skf21("5","3","1","4","5","1","1","1") = "4"
    & skf21("5","3","1","4","5","1","2","1") = "4"
    & skf21("5","3","1","4","5","1","3","1") = "4"
    & skf21("5","3","1","4","5","1","4","1") = "4"
    & skf21("5","3","1","4","5","1","5","1") = "4"
    & skf21("5","3","1","4","5","1","6","1") = "5"
    & skf21("5","3","1","4","5","1","7","1") = "6"
    & skf21("5","3","1","4","5","2","1","1") = "4"
    & skf21("5","3","1","4","5","2","2","1") = "4"
    & skf21("5","3","1","4","5","2","3","1") = "4"
    & skf21("5","3","1","4","5","2","4","1") = "4"
    & skf21("5","3","1","4","5","2","5","1") = "4"
    & skf21("5","3","1","4","5","2","6","1") = "5"
    & skf21("5","3","1","4","5","2","7","1") = "6"
    & skf21("5","3","1","4","5","3","1","1") = "4"
    & skf21("5","3","1","4","5","3","2","1") = "4"
    & skf21("5","3","1","4","5","3","3","1") = "4"
    & skf21("5","3","1","4","5","3","4","1") = "4"
    & skf21("5","3","1","4","5","3","5","1") = "4"
    & skf21("5","3","1","4","5","3","6","1") = "5"
    & skf21("5","3","1","4","5","3","7","1") = "6"
    & skf21("5","3","1","4","5","4","1","1") = "4"
    & skf21("5","3","1","4","5","4","2","1") = "4"
    & skf21("5","3","1","4","5","4","3","1") = "4"
    & skf21("5","3","1","4","5","4","4","1") = "4"
    & skf21("5","3","1","4","5","4","5","1") = "4"
    & skf21("5","3","1","4","5","4","6","1") = "5"
    & skf21("5","3","1","4","5","4","7","1") = "6"
    & skf21("5","3","1","4","5","5","1","1") = "4"
    & skf21("5","3","1","4","5","5","2","1") = "4"
    & skf21("5","3","1","4","5","5","3","1") = "4"
    & skf21("5","3","1","4","5","5","4","1") = "4"
    & skf21("5","3","1","4","5","5","5","1") = "4"
    & skf21("5","3","1","4","5","5","6","1") = "5"
    & skf21("5","3","1","4","5","5","7","1") = "6"
    & skf21("5","3","1","4","5","6","1","1") = "5"
    & skf21("5","3","1","4","5","6","2","1") = "5"
    & skf21("5","3","1","4","5","6","3","1") = "5"
    & skf21("5","3","1","4","5","6","4","1") = "5"
    & skf21("5","3","1","4","5","6","5","1") = "5"
    & skf21("5","3","1","4","5","6","6","1") = "5"
    & skf21("5","3","1","4","5","6","7","1") = "6"
    & skf21("5","3","1","4","5","7","1","1") = "6"
    & skf21("5","3","1","4","5","7","2","1") = "6"
    & skf21("5","3","1","4","5","7","3","1") = "6"
    & skf21("5","3","1","4","5","7","4","1") = "6"
    & skf21("5","3","1","4","5","7","5","1") = "6"
    & skf21("5","3","1","4","5","7","6","1") = "6"
    & skf21("5","3","1","4","5","7","7","1") = "6"
    & skf21("5","3","1","4","6","1","1","1") = "5"
    & skf21("5","3","1","4","6","1","2","1") = "5"
    & skf21("5","3","1","4","6","1","3","1") = "5"
    & skf21("5","3","1","4","6","1","4","1") = "5"
    & skf21("5","3","1","4","6","1","5","1") = "5"
    & skf21("5","3","1","4","6","1","6","1") = "5"
    & skf21("5","3","1","4","6","1","7","1") = "6"
    & skf21("5","3","1","4","6","2","1","1") = "5"
    & skf21("5","3","1","4","6","2","2","1") = "5"
    & skf21("5","3","1","4","6","2","3","1") = "5"
    & skf21("5","3","1","4","6","2","4","1") = "5"
    & skf21("5","3","1","4","6","2","5","1") = "5"
    & skf21("5","3","1","4","6","2","6","1") = "5"
    & skf21("5","3","1","4","6","2","7","1") = "6"
    & skf21("5","3","1","4","6","3","1","1") = "5"
    & skf21("5","3","1","4","6","3","2","1") = "5"
    & skf21("5","3","1","4","6","3","3","1") = "5"
    & skf21("5","3","1","4","6","3","4","1") = "5"
    & skf21("5","3","1","4","6","3","5","1") = "5"
    & skf21("5","3","1","4","6","3","6","1") = "5"
    & skf21("5","3","1","4","6","3","7","1") = "6"
    & skf21("5","3","1","4","6","4","1","1") = "5"
    & skf21("5","3","1","4","6","4","2","1") = "5"
    & skf21("5","3","1","4","6","4","3","1") = "5"
    & skf21("5","3","1","4","6","4","4","1") = "5"
    & skf21("5","3","1","4","6","4","5","1") = "5"
    & skf21("5","3","1","4","6","4","6","1") = "5"
    & skf21("5","3","1","4","6","4","7","1") = "6"
    & skf21("5","3","1","4","6","5","1","1") = "5"
    & skf21("5","3","1","4","6","5","2","1") = "5"
    & skf21("5","3","1","4","6","5","3","1") = "5"
    & skf21("5","3","1","4","6","5","4","1") = "5"
    & skf21("5","3","1","4","6","5","5","1") = "5"
    & skf21("5","3","1","4","6","5","6","1") = "5"
    & skf21("5","3","1","4","6","5","7","1") = "6"
    & skf21("5","3","1","4","6","6","1","1") = "5"
    & skf21("5","3","1","4","6","6","2","1") = "5"
    & skf21("5","3","1","4","6","6","3","1") = "5"
    & skf21("5","3","1","4","6","6","4","1") = "5"
    & skf21("5","3","1","4","6","6","5","1") = "5"
    & skf21("5","3","1","4","6","6","6","1") = "5"
    & skf21("5","3","1","4","6","6","7","1") = "6"
    & skf21("5","3","1","4","6","7","1","1") = "6"
    & skf21("5","3","1","4","6","7","2","1") = "6"
    & skf21("5","3","1","4","6","7","3","1") = "6"
    & skf21("5","3","1","4","6","7","4","1") = "6"
    & skf21("5","3","1","4","6","7","5","1") = "6"
    & skf21("5","3","1","4","6","7","6","1") = "6"
    & skf21("5","3","1","4","6","7","7","1") = "6"
    & skf21("5","3","1","4","7","1","1","1") = "6"
    & skf21("5","3","1","4","7","1","2","1") = "6"
    & skf21("5","3","1","4","7","1","3","1") = "6"
    & skf21("5","3","1","4","7","1","4","1") = "6"
    & skf21("5","3","1","4","7","1","5","1") = "6"
    & skf21("5","3","1","4","7","1","6","1") = "6"
    & skf21("5","3","1","4","7","1","7","1") = "6"
    & skf21("5","3","1","4","7","2","1","1") = "6"
    & skf21("5","3","1","4","7","2","2","1") = "6"
    & skf21("5","3","1","4","7","2","3","1") = "6"
    & skf21("5","3","1","4","7","2","4","1") = "6"
    & skf21("5","3","1","4","7","2","5","1") = "6"
    & skf21("5","3","1","4","7","2","6","1") = "6"
    & skf21("5","3","1","4","7","2","7","1") = "6"
    & skf21("5","3","1","4","7","3","1","1") = "6"
    & skf21("5","3","1","4","7","3","2","1") = "6"
    & skf21("5","3","1","4","7","3","3","1") = "6"
    & skf21("5","3","1","4","7","3","4","1") = "6"
    & skf21("5","3","1","4","7","3","5","1") = "6"
    & skf21("5","3","1","4","7","3","6","1") = "6"
    & skf21("5","3","1","4","7","3","7","1") = "6"
    & skf21("5","3","1","4","7","4","1","1") = "6"
    & skf21("5","3","1","4","7","4","2","1") = "6"
    & skf21("5","3","1","4","7","4","3","1") = "6"
    & skf21("5","3","1","4","7","4","4","1") = "6"
    & skf21("5","3","1","4","7","4","5","1") = "6"
    & skf21("5","3","1","4","7","4","6","1") = "6"
    & skf21("5","3","1","4","7","4","7","1") = "6"
    & skf21("5","3","1","4","7","5","1","1") = "6"
    & skf21("5","3","1","4","7","5","2","1") = "6"
    & skf21("5","3","1","4","7","5","3","1") = "6"
    & skf21("5","3","1","4","7","5","4","1") = "6"
    & skf21("5","3","1","4","7","5","5","1") = "6"
    & skf21("5","3","1","4","7","5","6","1") = "6"
    & skf21("5","3","1","4","7","5","7","1") = "6"
    & skf21("5","3","1","4","7","6","1","1") = "6"
    & skf21("5","3","1","4","7","6","2","1") = "6"
    & skf21("5","3","1","4","7","6","3","1") = "6"
    & skf21("5","3","1","4","7","6","4","1") = "6"
    & skf21("5","3","1","4","7","6","5","1") = "6"
    & skf21("5","3","1","4","7","6","6","1") = "6"
    & skf21("5","3","1","4","7","6","7","1") = "6"
    & skf21("5","3","1","4","7","7","1","1") = "6"
    & skf21("5","3","1","4","7","7","2","1") = "6"
    & skf21("5","3","1","4","7","7","3","1") = "6"
    & skf21("5","3","1","4","7","7","4","1") = "6"
    & skf21("5","3","1","4","7","7","5","1") = "6"
    & skf21("5","3","1","4","7","7","6","1") = "6"
    & skf21("5","3","1","4","7","7","7","1") = "6"
    & skf21("5","3","1","5","1","1","1","1") = "4"
    & skf21("5","3","1","5","1","1","2","1") = "4"
    & skf21("5","3","1","5","1","1","3","1") = "4"
    & skf21("5","3","1","5","1","1","4","1") = "4"
    & skf21("5","3","1","5","1","1","5","1") = "4"
    & skf21("5","3","1","5","1","1","6","1") = "5"
    & skf21("5","3","1","5","1","1","7","1") = "6"
    & skf21("5","3","1","5","1","2","1","1") = "4"
    & skf21("5","3","1","5","1","2","2","1") = "4"
    & skf21("5","3","1","5","1","2","3","1") = "4"
    & skf21("5","3","1","5","1","2","4","1") = "4"
    & skf21("5","3","1","5","1","2","5","1") = "4"
    & skf21("5","3","1","5","1","2","6","1") = "5"
    & skf21("5","3","1","5","1","2","7","1") = "6"
    & skf21("5","3","1","5","1","3","1","1") = "4"
    & skf21("5","3","1","5","1","3","2","1") = "4"
    & skf21("5","3","1","5","1","3","3","1") = "4"
    & skf21("5","3","1","5","1","3","4","1") = "4"
    & skf21("5","3","1","5","1","3","5","1") = "4"
    & skf21("5","3","1","5","1","3","6","1") = "5"
    & skf21("5","3","1","5","1","3","7","1") = "6"
    & skf21("5","3","1","5","1","4","1","1") = "4"
    & skf21("5","3","1","5","1","4","2","1") = "4"
    & skf21("5","3","1","5","1","4","3","1") = "4"
    & skf21("5","3","1","5","1","4","4","1") = "4"
    & skf21("5","3","1","5","1","4","5","1") = "4"
    & skf21("5","3","1","5","1","4","6","1") = "5"
    & skf21("5","3","1","5","1","4","7","1") = "6"
    & skf21("5","3","1","5","1","5","1","1") = "4"
    & skf21("5","3","1","5","1","5","2","1") = "4"
    & skf21("5","3","1","5","1","5","3","1") = "4"
    & skf21("5","3","1","5","1","5","4","1") = "4"
    & skf21("5","3","1","5","1","5","5","1") = "4"
    & skf21("5","3","1","5","1","5","6","1") = "5"
    & skf21("5","3","1","5","1","5","7","1") = "6"
    & skf21("5","3","1","5","1","6","1","1") = "5"
    & skf21("5","3","1","5","1","6","2","1") = "5"
    & skf21("5","3","1","5","1","6","3","1") = "5"
    & skf21("5","3","1","5","1","6","4","1") = "5"
    & skf21("5","3","1","5","1","6","5","1") = "5"
    & skf21("5","3","1","5","1","6","6","1") = "5"
    & skf21("5","3","1","5","1","6","7","1") = "6"
    & skf21("5","3","1","5","1","7","1","1") = "6"
    & skf21("5","3","1","5","1","7","2","1") = "6"
    & skf21("5","3","1","5","1","7","3","1") = "6"
    & skf21("5","3","1","5","1","7","4","1") = "6"
    & skf21("5","3","1","5","1","7","5","1") = "6"
    & skf21("5","3","1","5","1","7","6","1") = "6"
    & skf21("5","3","1","5","1","7","7","1") = "6"
    & skf21("5","3","1","5","2","1","1","1") = "4"
    & skf21("5","3","1","5","2","1","2","1") = "4"
    & skf21("5","3","1","5","2","1","3","1") = "4"
    & skf21("5","3","1","5","2","1","4","1") = "4"
    & skf21("5","3","1","5","2","1","5","1") = "4"
    & skf21("5","3","1","5","2","1","6","1") = "5"
    & skf21("5","3","1","5","2","1","7","1") = "6"
    & skf21("5","3","1","5","2","2","1","1") = "4"
    & skf21("5","3","1","5","2","2","2","1") = "4"
    & skf21("5","3","1","5","2","2","3","1") = "4"
    & skf21("5","3","1","5","2","2","4","1") = "4"
    & skf21("5","3","1","5","2","2","5","1") = "4"
    & skf21("5","3","1","5","2","2","6","1") = "5"
    & skf21("5","3","1","5","2","2","7","1") = "6"
    & skf21("5","3","1","5","2","3","1","1") = "4"
    & skf21("5","3","1","5","2","3","2","1") = "4"
    & skf21("5","3","1","5","2","3","3","1") = "4"
    & skf21("5","3","1","5","2","3","4","1") = "4"
    & skf21("5","3","1","5","2","3","5","1") = "4"
    & skf21("5","3","1","5","2","3","6","1") = "5"
    & skf21("5","3","1","5","2","3","7","1") = "6"
    & skf21("5","3","1","5","2","4","1","1") = "4"
    & skf21("5","3","1","5","2","4","2","1") = "4"
    & skf21("5","3","1","5","2","4","3","1") = "4"
    & skf21("5","3","1","5","2","4","4","1") = "4"
    & skf21("5","3","1","5","2","4","5","1") = "4"
    & skf21("5","3","1","5","2","4","6","1") = "5"
    & skf21("5","3","1","5","2","4","7","1") = "6"
    & skf21("5","3","1","5","2","5","1","1") = "4"
    & skf21("5","3","1","5","2","5","2","1") = "4"
    & skf21("5","3","1","5","2","5","3","1") = "4"
    & skf21("5","3","1","5","2","5","4","1") = "4"
    & skf21("5","3","1","5","2","5","5","1") = "4"
    & skf21("5","3","1","5","2","5","6","1") = "5"
    & skf21("5","3","1","5","2","5","7","1") = "6"
    & skf21("5","3","1","5","2","6","1","1") = "5"
    & skf21("5","3","1","5","2","6","2","1") = "5"
    & skf21("5","3","1","5","2","6","3","1") = "5"
    & skf21("5","3","1","5","2","6","4","1") = "5"
    & skf21("5","3","1","5","2","6","5","1") = "5"
    & skf21("5","3","1","5","2","6","6","1") = "5"
    & skf21("5","3","1","5","2","6","7","1") = "6"
    & skf21("5","3","1","5","2","7","1","1") = "6"
    & skf21("5","3","1","5","2","7","2","1") = "6"
    & skf21("5","3","1","5","2","7","3","1") = "6"
    & skf21("5","3","1","5","2","7","4","1") = "6"
    & skf21("5","3","1","5","2","7","5","1") = "6"
    & skf21("5","3","1","5","2","7","6","1") = "6"
    & skf21("5","3","1","5","2","7","7","1") = "6"
    & skf21("5","3","1","5","3","1","1","1") = "4"
    & skf21("5","3","1","5","3","1","2","1") = "4"
    & skf21("5","3","1","5","3","1","3","1") = "4"
    & skf21("5","3","1","5","3","1","4","1") = "4"
    & skf21("5","3","1","5","3","1","5","1") = "4"
    & skf21("5","3","1","5","3","1","6","1") = "5"
    & skf21("5","3","1","5","3","1","7","1") = "6"
    & skf21("5","3","1","5","3","2","1","1") = "4"
    & skf21("5","3","1","5","3","2","2","1") = "4"
    & skf21("5","3","1","5","3","2","3","1") = "4"
    & skf21("5","3","1","5","3","2","4","1") = "4"
    & skf21("5","3","1","5","3","2","5","1") = "4"
    & skf21("5","3","1","5","3","2","6","1") = "5"
    & skf21("5","3","1","5","3","2","7","1") = "6"
    & skf21("5","3","1","5","3","3","1","1") = "4"
    & skf21("5","3","1","5","3","3","2","1") = "4"
    & skf21("5","3","1","5","3","3","3","1") = "4"
    & skf21("5","3","1","5","3","3","4","1") = "4"
    & skf21("5","3","1","5","3","3","5","1") = "4"
    & skf21("5","3","1","5","3","3","6","1") = "5"
    & skf21("5","3","1","5","3","3","7","1") = "6"
    & skf21("5","3","1","5","3","4","1","1") = "4"
    & skf21("5","3","1","5","3","4","2","1") = "4"
    & skf21("5","3","1","5","3","4","3","1") = "4"
    & skf21("5","3","1","5","3","4","4","1") = "4"
    & skf21("5","3","1","5","3","4","5","1") = "4"
    & skf21("5","3","1","5","3","4","6","1") = "5"
    & skf21("5","3","1","5","3","4","7","1") = "6"
    & skf21("5","3","1","5","3","5","1","1") = "4"
    & skf21("5","3","1","5","3","5","2","1") = "4"
    & skf21("5","3","1","5","3","5","3","1") = "4"
    & skf21("5","3","1","5","3","5","4","1") = "4"
    & skf21("5","3","1","5","3","5","5","1") = "4"
    & skf21("5","3","1","5","3","5","6","1") = "5"
    & skf21("5","3","1","5","3","5","7","1") = "6"
    & skf21("5","3","1","5","3","6","1","1") = "5"
    & skf21("5","3","1","5","3","6","2","1") = "5"
    & skf21("5","3","1","5","3","6","3","1") = "5"
    & skf21("5","3","1","5","3","6","4","1") = "5"
    & skf21("5","3","1","5","3","6","5","1") = "5"
    & skf21("5","3","1","5","3","6","6","1") = "5"
    & skf21("5","3","1","5","3","6","7","1") = "6"
    & skf21("5","3","1","5","3","7","1","1") = "6"
    & skf21("5","3","1","5","3","7","2","1") = "6"
    & skf21("5","3","1","5","3","7","3","1") = "6"
    & skf21("5","3","1","5","3","7","4","1") = "6"
    & skf21("5","3","1","5","3","7","5","1") = "6"
    & skf21("5","3","1","5","3","7","6","1") = "6"
    & skf21("5","3","1","5","3","7","7","1") = "6"
    & skf21("5","3","1","5","4","1","1","1") = "4"
    & skf21("5","3","1","5","4","1","2","1") = "4"
    & skf21("5","3","1","5","4","1","3","1") = "4"
    & skf21("5","3","1","5","4","1","4","1") = "4"
    & skf21("5","3","1","5","4","1","5","1") = "4"
    & skf21("5","3","1","5","4","1","6","1") = "5"
    & skf21("5","3","1","5","4","1","7","1") = "6"
    & skf21("5","3","1","5","4","2","1","1") = "4"
    & skf21("5","3","1","5","4","2","2","1") = "4"
    & skf21("5","3","1","5","4","2","3","1") = "4"
    & skf21("5","3","1","5","4","2","4","1") = "4"
    & skf21("5","3","1","5","4","2","5","1") = "4"
    & skf21("5","3","1","5","4","2","6","1") = "5"
    & skf21("5","3","1","5","4","2","7","1") = "6"
    & skf21("5","3","1","5","4","3","1","1") = "4"
    & skf21("5","3","1","5","4","3","2","1") = "4"
    & skf21("5","3","1","5","4","3","3","1") = "4"
    & skf21("5","3","1","5","4","3","4","1") = "4"
    & skf21("5","3","1","5","4","3","5","1") = "4"
    & skf21("5","3","1","5","4","3","6","1") = "5"
    & skf21("5","3","1","5","4","3","7","1") = "6"
    & skf21("5","3","1","5","4","4","1","1") = "4"
    & skf21("5","3","1","5","4","4","2","1") = "4"
    & skf21("5","3","1","5","4","4","3","1") = "4"
    & skf21("5","3","1","5","4","4","4","1") = "4"
    & skf21("5","3","1","5","4","4","5","1") = "4"
    & skf21("5","3","1","5","4","4","6","1") = "5"
    & skf21("5","3","1","5","4","4","7","1") = "6"
    & skf21("5","3","1","5","4","5","1","1") = "4"
    & skf21("5","3","1","5","4","5","2","1") = "4"
    & skf21("5","3","1","5","4","5","3","1") = "4"
    & skf21("5","3","1","5","4","5","4","1") = "4"
    & skf21("5","3","1","5","4","5","5","1") = "4"
    & skf21("5","3","1","5","4","5","6","1") = "5"
    & skf21("5","3","1","5","4","5","7","1") = "6"
    & skf21("5","3","1","5","4","6","1","1") = "5"
    & skf21("5","3","1","5","4","6","2","1") = "5"
    & skf21("5","3","1","5","4","6","3","1") = "5"
    & skf21("5","3","1","5","4","6","4","1") = "5"
    & skf21("5","3","1","5","4","6","5","1") = "5"
    & skf21("5","3","1","5","4","6","6","1") = "5"
    & skf21("5","3","1","5","4","6","7","1") = "6"
    & skf21("5","3","1","5","4","7","1","1") = "6"
    & skf21("5","3","1","5","4","7","2","1") = "6"
    & skf21("5","3","1","5","4","7","3","1") = "6"
    & skf21("5","3","1","5","4","7","4","1") = "6"
    & skf21("5","3","1","5","4","7","5","1") = "6"
    & skf21("5","3","1","5","4","7","6","1") = "6"
    & skf21("5","3","1","5","4","7","7","1") = "6"
    & skf21("5","3","1","5","5","1","1","1") = "4"
    & skf21("5","3","1","5","5","1","2","1") = "4"
    & skf21("5","3","1","5","5","1","3","1") = "4"
    & skf21("5","3","1","5","5","1","4","1") = "4"
    & skf21("5","3","1","5","5","1","5","1") = "4"
    & skf21("5","3","1","5","5","1","6","1") = "5"
    & skf21("5","3","1","5","5","1","7","1") = "6"
    & skf21("5","3","1","5","5","2","1","1") = "4"
    & skf21("5","3","1","5","5","2","2","1") = "4"
    & skf21("5","3","1","5","5","2","3","1") = "4"
    & skf21("5","3","1","5","5","2","4","1") = "4"
    & skf21("5","3","1","5","5","2","5","1") = "4"
    & skf21("5","3","1","5","5","2","6","1") = "5"
    & skf21("5","3","1","5","5","2","7","1") = "6"
    & skf21("5","3","1","5","5","3","1","1") = "4"
    & skf21("5","3","1","5","5","3","2","1") = "4"
    & skf21("5","3","1","5","5","3","3","1") = "4"
    & skf21("5","3","1","5","5","3","4","1") = "4"
    & skf21("5","3","1","5","5","3","5","1") = "4"
    & skf21("5","3","1","5","5","3","6","1") = "5"
    & skf21("5","3","1","5","5","3","7","1") = "6"
    & skf21("5","3","1","5","5","4","1","1") = "4"
    & skf21("5","3","1","5","5","4","2","1") = "4"
    & skf21("5","3","1","5","5","4","3","1") = "4"
    & skf21("5","3","1","5","5","4","4","1") = "4"
    & skf21("5","3","1","5","5","4","5","1") = "4"
    & skf21("5","3","1","5","5","4","6","1") = "5"
    & skf21("5","3","1","5","5","4","7","1") = "6"
    & skf21("5","3","1","5","5","5","1","1") = "4"
    & skf21("5","3","1","5","5","5","2","1") = "4"
    & skf21("5","3","1","5","5","5","3","1") = "4"
    & skf21("5","3","1","5","5","5","4","1") = "4"
    & skf21("5","3","1","5","5","5","5","1") = "4"
    & skf21("5","3","1","5","5","5","6","1") = "5"
    & skf21("5","3","1","5","5","5","7","1") = "6"
    & skf21("5","3","1","5","5","6","1","1") = "5"
    & skf21("5","3","1","5","5","6","2","1") = "5"
    & skf21("5","3","1","5","5","6","3","1") = "5"
    & skf21("5","3","1","5","5","6","4","1") = "5"
    & skf21("5","3","1","5","5","6","5","1") = "5"
    & skf21("5","3","1","5","5","6","6","1") = "5"
    & skf21("5","3","1","5","5","6","7","1") = "6"
    & skf21("5","3","1","5","5","7","1","1") = "6"
    & skf21("5","3","1","5","5","7","2","1") = "6"
    & skf21("5","3","1","5","5","7","3","1") = "6"
    & skf21("5","3","1","5","5","7","4","1") = "6"
    & skf21("5","3","1","5","5","7","5","1") = "6"
    & skf21("5","3","1","5","5","7","6","1") = "6"
    & skf21("5","3","1","5","5","7","7","1") = "6"
    & skf21("5","3","1","5","6","1","1","1") = "5"
    & skf21("5","3","1","5","6","1","2","1") = "5"
    & skf21("5","3","1","5","6","1","3","1") = "5"
    & skf21("5","3","1","5","6","1","4","1") = "5"
    & skf21("5","3","1","5","6","1","5","1") = "5"
    & skf21("5","3","1","5","6","1","6","1") = "5"
    & skf21("5","3","1","5","6","1","7","1") = "6"
    & skf21("5","3","1","5","6","2","1","1") = "5"
    & skf21("5","3","1","5","6","2","2","1") = "5"
    & skf21("5","3","1","5","6","2","3","1") = "5"
    & skf21("5","3","1","5","6","2","4","1") = "5"
    & skf21("5","3","1","5","6","2","5","1") = "5"
    & skf21("5","3","1","5","6","2","6","1") = "5"
    & skf21("5","3","1","5","6","2","7","1") = "6"
    & skf21("5","3","1","5","6","3","1","1") = "5"
    & skf21("5","3","1","5","6","3","2","1") = "5"
    & skf21("5","3","1","5","6","3","3","1") = "5"
    & skf21("5","3","1","5","6","3","4","1") = "5"
    & skf21("5","3","1","5","6","3","5","1") = "5"
    & skf21("5","3","1","5","6","3","6","1") = "5"
    & skf21("5","3","1","5","6","3","7","1") = "6"
    & skf21("5","3","1","5","6","4","1","1") = "5"
    & skf21("5","3","1","5","6","4","2","1") = "5"
    & skf21("5","3","1","5","6","4","3","1") = "5"
    & skf21("5","3","1","5","6","4","4","1") = "5"
    & skf21("5","3","1","5","6","4","5","1") = "5"
    & skf21("5","3","1","5","6","4","6","1") = "5"
    & skf21("5","3","1","5","6","4","7","1") = "6"
    & skf21("5","3","1","5","6","5","1","1") = "5"
    & skf21("5","3","1","5","6","5","2","1") = "5"
    & skf21("5","3","1","5","6","5","3","1") = "5"
    & skf21("5","3","1","5","6","5","4","1") = "5"
    & skf21("5","3","1","5","6","5","5","1") = "5"
    & skf21("5","3","1","5","6","5","6","1") = "5"
    & skf21("5","3","1","5","6","5","7","1") = "6"
    & skf21("5","3","1","5","6","6","1","1") = "5"
    & skf21("5","3","1","5","6","6","2","1") = "5"
    & skf21("5","3","1","5","6","6","3","1") = "5"
    & skf21("5","3","1","5","6","6","4","1") = "5"
    & skf21("5","3","1","5","6","6","5","1") = "5"
    & skf21("5","3","1","5","6","6","6","1") = "5"
    & skf21("5","3","1","5","6","6","7","1") = "6"
    & skf21("5","3","1","5","6","7","1","1") = "6"
    & skf21("5","3","1","5","6","7","2","1") = "6"
    & skf21("5","3","1","5","6","7","3","1") = "6"
    & skf21("5","3","1","5","6","7","4","1") = "6"
    & skf21("5","3","1","5","6","7","5","1") = "6"
    & skf21("5","3","1","5","6","7","6","1") = "6"
    & skf21("5","3","1","5","6","7","7","1") = "6"
    & skf21("5","3","1","5","7","1","1","1") = "6"
    & skf21("5","3","1","5","7","1","2","1") = "6"
    & skf21("5","3","1","5","7","1","3","1") = "6"
    & skf21("5","3","1","5","7","1","4","1") = "6"
    & skf21("5","3","1","5","7","1","5","1") = "6"
    & skf21("5","3","1","5","7","1","6","1") = "6"
    & skf21("5","3","1","5","7","1","7","1") = "6"
    & skf21("5","3","1","5","7","2","1","1") = "6"
    & skf21("5","3","1","5","7","2","2","1") = "6"
    & skf21("5","3","1","5","7","2","3","1") = "6"
    & skf21("5","3","1","5","7","2","4","1") = "6"
    & skf21("5","3","1","5","7","2","5","1") = "6"
    & skf21("5","3","1","5","7","2","6","1") = "6"
    & skf21("5","3","1","5","7","2","7","1") = "6"
    & skf21("5","3","1","5","7","3","1","1") = "6"
    & skf21("5","3","1","5","7","3","2","1") = "6"
    & skf21("5","3","1","5","7","3","3","1") = "6"
    & skf21("5","3","1","5","7","3","4","1") = "6"
    & skf21("5","3","1","5","7","3","5","1") = "6"
    & skf21("5","3","1","5","7","3","6","1") = "6"
    & skf21("5","3","1","5","7","3","7","1") = "6"
    & skf21("5","3","1","5","7","4","1","1") = "6"
    & skf21("5","3","1","5","7","4","2","1") = "6"
    & skf21("5","3","1","5","7","4","3","1") = "6"
    & skf21("5","3","1","5","7","4","4","1") = "6"
    & skf21("5","3","1","5","7","4","5","1") = "6"
    & skf21("5","3","1","5","7","4","6","1") = "6"
    & skf21("5","3","1","5","7","4","7","1") = "6"
    & skf21("5","3","1","5","7","5","1","1") = "6"
    & skf21("5","3","1","5","7","5","2","1") = "6"
    & skf21("5","3","1","5","7","5","3","1") = "6"
    & skf21("5","3","1","5","7","5","4","1") = "6"
    & skf21("5","3","1","5","7","5","5","1") = "6"
    & skf21("5","3","1","5","7","5","6","1") = "6"
    & skf21("5","3","1","5","7","5","7","1") = "6"
    & skf21("5","3","1","5","7","6","1","1") = "6"
    & skf21("5","3","1","5","7","6","2","1") = "6"
    & skf21("5","3","1","5","7","6","3","1") = "6"
    & skf21("5","3","1","5","7","6","4","1") = "6"
    & skf21("5","3","1","5","7","6","5","1") = "6"
    & skf21("5","3","1","5","7","6","6","1") = "6"
    & skf21("5","3","1","5","7","6","7","1") = "6"
    & skf21("5","3","1","5","7","7","1","1") = "6"
    & skf21("5","3","1","5","7","7","2","1") = "6"
    & skf21("5","3","1","5","7","7","3","1") = "6"
    & skf21("5","3","1","5","7","7","4","1") = "6"
    & skf21("5","3","1","5","7","7","5","1") = "6"
    & skf21("5","3","1","5","7","7","6","1") = "6"
    & skf21("5","3","1","5","7","7","7","1") = "6"
    & skf21("5","3","1","6","1","1","1","1") = "5"
    & skf21("5","3","1","6","1","1","2","1") = "5"
    & skf21("5","3","1","6","1","1","3","1") = "5"
    & skf21("5","3","1","6","1","1","4","1") = "5"
    & skf21("5","3","1","6","1","1","5","1") = "5"
    & skf21("5","3","1","6","1","1","6","1") = "5"
    & skf21("5","3","1","6","1","1","7","1") = "6"
    & skf21("5","3","1","6","1","2","1","1") = "5"
    & skf21("5","3","1","6","1","2","2","1") = "5"
    & skf21("5","3","1","6","1","2","3","1") = "5"
    & skf21("5","3","1","6","1","2","4","1") = "5"
    & skf21("5","3","1","6","1","2","5","1") = "5"
    & skf21("5","3","1","6","1","2","6","1") = "5"
    & skf21("5","3","1","6","1","2","7","1") = "6"
    & skf21("5","3","1","6","1","3","1","1") = "5"
    & skf21("5","3","1","6","1","3","2","1") = "5"
    & skf21("5","3","1","6","1","3","3","1") = "5"
    & skf21("5","3","1","6","1","3","4","1") = "5"
    & skf21("5","3","1","6","1","3","5","1") = "5"
    & skf21("5","3","1","6","1","3","6","1") = "5"
    & skf21("5","3","1","6","1","3","7","1") = "6"
    & skf21("5","3","1","6","1","4","1","1") = "5"
    & skf21("5","3","1","6","1","4","2","1") = "5"
    & skf21("5","3","1","6","1","4","3","1") = "5"
    & skf21("5","3","1","6","1","4","4","1") = "5"
    & skf21("5","3","1","6","1","4","5","1") = "5"
    & skf21("5","3","1","6","1","4","6","1") = "5"
    & skf21("5","3","1","6","1","4","7","1") = "6"
    & skf21("5","3","1","6","1","5","1","1") = "5"
    & skf21("5","3","1","6","1","5","2","1") = "5"
    & skf21("5","3","1","6","1","5","3","1") = "5"
    & skf21("5","3","1","6","1","5","4","1") = "5"
    & skf21("5","3","1","6","1","5","5","1") = "5"
    & skf21("5","3","1","6","1","5","6","1") = "5"
    & skf21("5","3","1","6","1","5","7","1") = "6"
    & skf21("5","3","1","6","1","6","1","1") = "5"
    & skf21("5","3","1","6","1","6","2","1") = "5"
    & skf21("5","3","1","6","1","6","3","1") = "5"
    & skf21("5","3","1","6","1","6","4","1") = "5"
    & skf21("5","3","1","6","1","6","5","1") = "5"
    & skf21("5","3","1","6","1","6","6","1") = "5"
    & skf21("5","3","1","6","1","6","7","1") = "6"
    & skf21("5","3","1","6","1","7","1","1") = "6"
    & skf21("5","3","1","6","1","7","2","1") = "6"
    & skf21("5","3","1","6","1","7","3","1") = "6"
    & skf21("5","3","1","6","1","7","4","1") = "6"
    & skf21("5","3","1","6","1","7","5","1") = "6"
    & skf21("5","3","1","6","1","7","6","1") = "6"
    & skf21("5","3","1","6","1","7","7","1") = "6"
    & skf21("5","3","1","6","2","1","1","1") = "5"
    & skf21("5","3","1","6","2","1","2","1") = "5"
    & skf21("5","3","1","6","2","1","3","1") = "5"
    & skf21("5","3","1","6","2","1","4","1") = "5"
    & skf21("5","3","1","6","2","1","5","1") = "5"
    & skf21("5","3","1","6","2","1","6","1") = "5"
    & skf21("5","3","1","6","2","1","7","1") = "6"
    & skf21("5","3","1","6","2","2","1","1") = "5"
    & skf21("5","3","1","6","2","2","2","1") = "5"
    & skf21("5","3","1","6","2","2","3","1") = "5"
    & skf21("5","3","1","6","2","2","4","1") = "5"
    & skf21("5","3","1","6","2","2","5","1") = "5"
    & skf21("5","3","1","6","2","2","6","1") = "5"
    & skf21("5","3","1","6","2","2","7","1") = "6"
    & skf21("5","3","1","6","2","3","1","1") = "5"
    & skf21("5","3","1","6","2","3","2","1") = "5"
    & skf21("5","3","1","6","2","3","3","1") = "5"
    & skf21("5","3","1","6","2","3","4","1") = "5"
    & skf21("5","3","1","6","2","3","5","1") = "5"
    & skf21("5","3","1","6","2","3","6","1") = "5"
    & skf21("5","3","1","6","2","3","7","1") = "6"
    & skf21("5","3","1","6","2","4","1","1") = "5"
    & skf21("5","3","1","6","2","4","2","1") = "5"
    & skf21("5","3","1","6","2","4","3","1") = "5"
    & skf21("5","3","1","6","2","4","4","1") = "5"
    & skf21("5","3","1","6","2","4","5","1") = "5"
    & skf21("5","3","1","6","2","4","6","1") = "5"
    & skf21("5","3","1","6","2","4","7","1") = "6"
    & skf21("5","3","1","6","2","5","1","1") = "5"
    & skf21("5","3","1","6","2","5","2","1") = "5"
    & skf21("5","3","1","6","2","5","3","1") = "5"
    & skf21("5","3","1","6","2","5","4","1") = "5"
    & skf21("5","3","1","6","2","5","5","1") = "5"
    & skf21("5","3","1","6","2","5","6","1") = "5"
    & skf21("5","3","1","6","2","5","7","1") = "6"
    & skf21("5","3","1","6","2","6","1","1") = "5"
    & skf21("5","3","1","6","2","6","2","1") = "5"
    & skf21("5","3","1","6","2","6","3","1") = "5"
    & skf21("5","3","1","6","2","6","4","1") = "5"
    & skf21("5","3","1","6","2","6","5","1") = "5"
    & skf21("5","3","1","6","2","6","6","1") = "5"
    & skf21("5","3","1","6","2","6","7","1") = "6"
    & skf21("5","3","1","6","2","7","1","1") = "6"
    & skf21("5","3","1","6","2","7","2","1") = "6"
    & skf21("5","3","1","6","2","7","3","1") = "6"
    & skf21("5","3","1","6","2","7","4","1") = "6"
    & skf21("5","3","1","6","2","7","5","1") = "6"
    & skf21("5","3","1","6","2","7","6","1") = "6"
    & skf21("5","3","1","6","2","7","7","1") = "6"
    & skf21("5","3","1","6","3","1","1","1") = "5"
    & skf21("5","3","1","6","3","1","2","1") = "5"
    & skf21("5","3","1","6","3","1","3","1") = "5"
    & skf21("5","3","1","6","3","1","4","1") = "5"
    & skf21("5","3","1","6","3","1","5","1") = "5"
    & skf21("5","3","1","6","3","1","6","1") = "5"
    & skf21("5","3","1","6","3","1","7","1") = "6"
    & skf21("5","3","1","6","3","2","1","1") = "5"
    & skf21("5","3","1","6","3","2","2","1") = "5"
    & skf21("5","3","1","6","3","2","3","1") = "5"
    & skf21("5","3","1","6","3","2","4","1") = "5"
    & skf21("5","3","1","6","3","2","5","1") = "5"
    & skf21("5","3","1","6","3","2","6","1") = "5"
    & skf21("5","3","1","6","3","2","7","1") = "6"
    & skf21("5","3","1","6","3","3","1","1") = "5"
    & skf21("5","3","1","6","3","3","2","1") = "5"
    & skf21("5","3","1","6","3","3","3","1") = "5"
    & skf21("5","3","1","6","3","3","4","1") = "5"
    & skf21("5","3","1","6","3","3","5","1") = "5"
    & skf21("5","3","1","6","3","3","6","1") = "5"
    & skf21("5","3","1","6","3","3","7","1") = "6"
    & skf21("5","3","1","6","3","4","1","1") = "5"
    & skf21("5","3","1","6","3","4","2","1") = "5"
    & skf21("5","3","1","6","3","4","3","1") = "5"
    & skf21("5","3","1","6","3","4","4","1") = "5"
    & skf21("5","3","1","6","3","4","5","1") = "5"
    & skf21("5","3","1","6","3","4","6","1") = "5"
    & skf21("5","3","1","6","3","4","7","1") = "6"
    & skf21("5","3","1","6","3","5","1","1") = "5"
    & skf21("5","3","1","6","3","5","2","1") = "5"
    & skf21("5","3","1","6","3","5","3","1") = "5"
    & skf21("5","3","1","6","3","5","4","1") = "5"
    & skf21("5","3","1","6","3","5","5","1") = "5"
    & skf21("5","3","1","6","3","5","6","1") = "5"
    & skf21("5","3","1","6","3","5","7","1") = "6"
    & skf21("5","3","1","6","3","6","1","1") = "5"
    & skf21("5","3","1","6","3","6","2","1") = "5"
    & skf21("5","3","1","6","3","6","3","1") = "5"
    & skf21("5","3","1","6","3","6","4","1") = "5"
    & skf21("5","3","1","6","3","6","5","1") = "5"
    & skf21("5","3","1","6","3","6","6","1") = "5"
    & skf21("5","3","1","6","3","6","7","1") = "6"
    & skf21("5","3","1","6","3","7","1","1") = "6"
    & skf21("5","3","1","6","3","7","2","1") = "6"
    & skf21("5","3","1","6","3","7","3","1") = "6"
    & skf21("5","3","1","6","3","7","4","1") = "6"
    & skf21("5","3","1","6","3","7","5","1") = "6"
    & skf21("5","3","1","6","3","7","6","1") = "6"
    & skf21("5","3","1","6","3","7","7","1") = "6"
    & skf21("5","3","1","6","4","1","1","1") = "5"
    & skf21("5","3","1","6","4","1","2","1") = "5"
    & skf21("5","3","1","6","4","1","3","1") = "5"
    & skf21("5","3","1","6","4","1","4","1") = "5"
    & skf21("5","3","1","6","4","1","5","1") = "5"
    & skf21("5","3","1","6","4","1","6","1") = "5"
    & skf21("5","3","1","6","4","1","7","1") = "6"
    & skf21("5","3","1","6","4","2","1","1") = "5"
    & skf21("5","3","1","6","4","2","2","1") = "5"
    & skf21("5","3","1","6","4","2","3","1") = "5"
    & skf21("5","3","1","6","4","2","4","1") = "5"
    & skf21("5","3","1","6","4","2","5","1") = "5"
    & skf21("5","3","1","6","4","2","6","1") = "5"
    & skf21("5","3","1","6","4","2","7","1") = "6"
    & skf21("5","3","1","6","4","3","1","1") = "5"
    & skf21("5","3","1","6","4","3","2","1") = "5"
    & skf21("5","3","1","6","4","3","3","1") = "5"
    & skf21("5","3","1","6","4","3","4","1") = "5"
    & skf21("5","3","1","6","4","3","5","1") = "5"
    & skf21("5","3","1","6","4","3","6","1") = "5"
    & skf21("5","3","1","6","4","3","7","1") = "6"
    & skf21("5","3","1","6","4","4","1","1") = "5"
    & skf21("5","3","1","6","4","4","2","1") = "5"
    & skf21("5","3","1","6","4","4","3","1") = "5"
    & skf21("5","3","1","6","4","4","4","1") = "5"
    & skf21("5","3","1","6","4","4","5","1") = "5"
    & skf21("5","3","1","6","4","4","6","1") = "5"
    & skf21("5","3","1","6","4","4","7","1") = "6"
    & skf21("5","3","1","6","4","5","1","1") = "5"
    & skf21("5","3","1","6","4","5","2","1") = "5"
    & skf21("5","3","1","6","4","5","3","1") = "5"
    & skf21("5","3","1","6","4","5","4","1") = "5"
    & skf21("5","3","1","6","4","5","5","1") = "5"
    & skf21("5","3","1","6","4","5","6","1") = "5"
    & skf21("5","3","1","6","4","5","7","1") = "6"
    & skf21("5","3","1","6","4","6","1","1") = "5"
    & skf21("5","3","1","6","4","6","2","1") = "5"
    & skf21("5","3","1","6","4","6","3","1") = "5"
    & skf21("5","3","1","6","4","6","4","1") = "5"
    & skf21("5","3","1","6","4","6","5","1") = "5"
    & skf21("5","3","1","6","4","6","6","1") = "5"
    & skf21("5","3","1","6","4","6","7","1") = "6"
    & skf21("5","3","1","6","4","7","1","1") = "6"
    & skf21("5","3","1","6","4","7","2","1") = "6"
    & skf21("5","3","1","6","4","7","3","1") = "6"
    & skf21("5","3","1","6","4","7","4","1") = "6"
    & skf21("5","3","1","6","4","7","5","1") = "6"
    & skf21("5","3","1","6","4","7","6","1") = "6"
    & skf21("5","3","1","6","4","7","7","1") = "6"
    & skf21("5","3","1","6","5","1","1","1") = "5"
    & skf21("5","3","1","6","5","1","2","1") = "5"
    & skf21("5","3","1","6","5","1","3","1") = "5"
    & skf21("5","3","1","6","5","1","4","1") = "5"
    & skf21("5","3","1","6","5","1","5","1") = "5"
    & skf21("5","3","1","6","5","1","6","1") = "5"
    & skf21("5","3","1","6","5","1","7","1") = "6"
    & skf21("5","3","1","6","5","2","1","1") = "5"
    & skf21("5","3","1","6","5","2","2","1") = "5"
    & skf21("5","3","1","6","5","2","3","1") = "5"
    & skf21("5","3","1","6","5","2","4","1") = "5"
    & skf21("5","3","1","6","5","2","5","1") = "5"
    & skf21("5","3","1","6","5","2","6","1") = "5"
    & skf21("5","3","1","6","5","2","7","1") = "6"
    & skf21("5","3","1","6","5","3","1","1") = "5"
    & skf21("5","3","1","6","5","3","2","1") = "5"
    & skf21("5","3","1","6","5","3","3","1") = "5"
    & skf21("5","3","1","6","5","3","4","1") = "5"
    & skf21("5","3","1","6","5","3","5","1") = "5"
    & skf21("5","3","1","6","5","3","6","1") = "5"
    & skf21("5","3","1","6","5","3","7","1") = "6"
    & skf21("5","3","1","6","5","4","1","1") = "5"
    & skf21("5","3","1","6","5","4","2","1") = "5"
    & skf21("5","3","1","6","5","4","3","1") = "5"
    & skf21("5","3","1","6","5","4","4","1") = "5"
    & skf21("5","3","1","6","5","4","5","1") = "5"
    & skf21("5","3","1","6","5","4","6","1") = "5"
    & skf21("5","3","1","6","5","4","7","1") = "6"
    & skf21("5","3","1","6","5","5","1","1") = "5"
    & skf21("5","3","1","6","5","5","2","1") = "5"
    & skf21("5","3","1","6","5","5","3","1") = "5"
    & skf21("5","3","1","6","5","5","4","1") = "5"
    & skf21("5","3","1","6","5","5","5","1") = "5"
    & skf21("5","3","1","6","5","5","6","1") = "5"
    & skf21("5","3","1","6","5","5","7","1") = "6"
    & skf21("5","3","1","6","5","6","1","1") = "5"
    & skf21("5","3","1","6","5","6","2","1") = "5"
    & skf21("5","3","1","6","5","6","3","1") = "5"
    & skf21("5","3","1","6","5","6","4","1") = "5"
    & skf21("5","3","1","6","5","6","5","1") = "5"
    & skf21("5","3","1","6","5","6","6","1") = "5"
    & skf21("5","3","1","6","5","6","7","1") = "6"
    & skf21("5","3","1","6","5","7","1","1") = "6"
    & skf21("5","3","1","6","5","7","2","1") = "6"
    & skf21("5","3","1","6","5","7","3","1") = "6"
    & skf21("5","3","1","6","5","7","4","1") = "6"
    & skf21("5","3","1","6","5","7","5","1") = "6"
    & skf21("5","3","1","6","5","7","6","1") = "6"
    & skf21("5","3","1","6","5","7","7","1") = "6"
    & skf21("5","3","1","6","6","1","1","1") = "5"
    & skf21("5","3","1","6","6","1","2","1") = "5"
    & skf21("5","3","1","6","6","1","3","1") = "5"
    & skf21("5","3","1","6","6","1","4","1") = "5"
    & skf21("5","3","1","6","6","1","5","1") = "5"
    & skf21("5","3","1","6","6","1","6","1") = "5"
    & skf21("5","3","1","6","6","1","7","1") = "6"
    & skf21("5","3","1","6","6","2","1","1") = "5"
    & skf21("5","3","1","6","6","2","2","1") = "5"
    & skf21("5","3","1","6","6","2","3","1") = "5"
    & skf21("5","3","1","6","6","2","4","1") = "5"
    & skf21("5","3","1","6","6","2","5","1") = "5"
    & skf21("5","3","1","6","6","2","6","1") = "5"
    & skf21("5","3","1","6","6","2","7","1") = "6"
    & skf21("5","3","1","6","6","3","1","1") = "5"
    & skf21("5","3","1","6","6","3","2","1") = "5"
    & skf21("5","3","1","6","6","3","3","1") = "5"
    & skf21("5","3","1","6","6","3","4","1") = "5"
    & skf21("5","3","1","6","6","3","5","1") = "5"
    & skf21("5","3","1","6","6","3","6","1") = "5"
    & skf21("5","3","1","6","6","3","7","1") = "6"
    & skf21("5","3","1","6","6","4","1","1") = "5"
    & skf21("5","3","1","6","6","4","2","1") = "5"
    & skf21("5","3","1","6","6","4","3","1") = "5"
    & skf21("5","3","1","6","6","4","4","1") = "5"
    & skf21("5","3","1","6","6","4","5","1") = "5"
    & skf21("5","3","1","6","6","4","6","1") = "5"
    & skf21("5","3","1","6","6","4","7","1") = "6"
    & skf21("5","3","1","6","6","5","1","1") = "5"
    & skf21("5","3","1","6","6","5","2","1") = "5"
    & skf21("5","3","1","6","6","5","3","1") = "5"
    & skf21("5","3","1","6","6","5","4","1") = "5"
    & skf21("5","3","1","6","6","5","5","1") = "5"
    & skf21("5","3","1","6","6","5","6","1") = "5"
    & skf21("5","3","1","6","6","5","7","1") = "6"
    & skf21("5","3","1","6","6","6","1","1") = "5"
    & skf21("5","3","1","6","6","6","2","1") = "5"
    & skf21("5","3","1","6","6","6","3","1") = "5"
    & skf21("5","3","1","6","6","6","4","1") = "5"
    & skf21("5","3","1","6","6","6","5","1") = "5"
    & skf21("5","3","1","6","6","6","6","1") = "5"
    & skf21("5","3","1","6","6","6","7","1") = "6"
    & skf21("5","3","1","6","6","7","1","1") = "6"
    & skf21("5","3","1","6","6","7","2","1") = "6"
    & skf21("5","3","1","6","6","7","3","1") = "6"
    & skf21("5","3","1","6","6","7","4","1") = "6"
    & skf21("5","3","1","6","6","7","5","1") = "6"
    & skf21("5","3","1","6","6","7","6","1") = "6"
    & skf21("5","3","1","6","6","7","7","1") = "6"
    & skf21("5","3","1","6","7","1","1","1") = "6"
    & skf21("5","3","1","6","7","1","2","1") = "6"
    & skf21("5","3","1","6","7","1","3","1") = "6"
    & skf21("5","3","1","6","7","1","4","1") = "6"
    & skf21("5","3","1","6","7","1","5","1") = "6"
    & skf21("5","3","1","6","7","1","6","1") = "6"
    & skf21("5","3","1","6","7","1","7","1") = "6"
    & skf21("5","3","1","6","7","2","1","1") = "6"
    & skf21("5","3","1","6","7","2","2","1") = "6"
    & skf21("5","3","1","6","7","2","3","1") = "6"
    & skf21("5","3","1","6","7","2","4","1") = "6"
    & skf21("5","3","1","6","7","2","5","1") = "6"
    & skf21("5","3","1","6","7","2","6","1") = "6"
    & skf21("5","3","1","6","7","2","7","1") = "6"
    & skf21("5","3","1","6","7","3","1","1") = "6"
    & skf21("5","3","1","6","7","3","2","1") = "6"
    & skf21("5","3","1","6","7","3","3","1") = "6"
    & skf21("5","3","1","6","7","3","4","1") = "6"
    & skf21("5","3","1","6","7","3","5","1") = "6"
    & skf21("5","3","1","6","7","3","6","1") = "6"
    & skf21("5","3","1","6","7","3","7","1") = "6"
    & skf21("5","3","1","6","7","4","1","1") = "6"
    & skf21("5","3","1","6","7","4","2","1") = "6"
    & skf21("5","3","1","6","7","4","3","1") = "6"
    & skf21("5","3","1","6","7","4","4","1") = "6"
    & skf21("5","3","1","6","7","4","5","1") = "6"
    & skf21("5","3","1","6","7","4","6","1") = "6"
    & skf21("5","3","1","6","7","4","7","1") = "6"
    & skf21("5","3","1","6","7","5","1","1") = "6"
    & skf21("5","3","1","6","7","5","2","1") = "6"
    & skf21("5","3","1","6","7","5","3","1") = "6"
    & skf21("5","3","1","6","7","5","4","1") = "6"
    & skf21("5","3","1","6","7","5","5","1") = "6"
    & skf21("5","3","1","6","7","5","6","1") = "6"
    & skf21("5","3","1","6","7","5","7","1") = "6"
    & skf21("5","3","1","6","7","6","1","1") = "6"
    & skf21("5","3","1","6","7","6","2","1") = "6"
    & skf21("5","3","1","6","7","6","3","1") = "6"
    & skf21("5","3","1","6","7","6","4","1") = "6"
    & skf21("5","3","1","6","7","6","5","1") = "6"
    & skf21("5","3","1","6","7","6","6","1") = "6"
    & skf21("5","3","1","6","7","6","7","1") = "6"
    & skf21("5","3","1","6","7","7","1","1") = "6"
    & skf21("5","3","1","6","7","7","2","1") = "6"
    & skf21("5","3","1","6","7","7","3","1") = "6"
    & skf21("5","3","1","6","7","7","4","1") = "6"
    & skf21("5","3","1","6","7","7","5","1") = "6"
    & skf21("5","3","1","6","7","7","6","1") = "6"
    & skf21("5","3","1","6","7","7","7","1") = "6"
    & skf21("5","3","1","7","1","1","1","1") = "6"
    & skf21("5","3","1","7","1","1","2","1") = "6"
    & skf21("5","3","1","7","1","1","3","1") = "6"
    & skf21("5","3","1","7","1","1","4","1") = "6"
    & skf21("5","3","1","7","1","1","5","1") = "6"
    & skf21("5","3","1","7","1","1","6","1") = "6"
    & skf21("5","3","1","7","1","1","7","1") = "6"
    & skf21("5","3","1","7","1","2","1","1") = "6"
    & skf21("5","3","1","7","1","2","2","1") = "6"
    & skf21("5","3","1","7","1","2","3","1") = "6"
    & skf21("5","3","1","7","1","2","4","1") = "6"
    & skf21("5","3","1","7","1","2","5","1") = "6"
    & skf21("5","3","1","7","1","2","6","1") = "6"
    & skf21("5","3","1","7","1","2","7","1") = "6"
    & skf21("5","3","1","7","1","3","1","1") = "6"
    & skf21("5","3","1","7","1","3","2","1") = "6"
    & skf21("5","3","1","7","1","3","3","1") = "6"
    & skf21("5","3","1","7","1","3","4","1") = "6"
    & skf21("5","3","1","7","1","3","5","1") = "6"
    & skf21("5","3","1","7","1","3","6","1") = "6"
    & skf21("5","3","1","7","1","3","7","1") = "6"
    & skf21("5","3","1","7","1","4","1","1") = "6"
    & skf21("5","3","1","7","1","4","2","1") = "6"
    & skf21("5","3","1","7","1","4","3","1") = "6"
    & skf21("5","3","1","7","1","4","4","1") = "6"
    & skf21("5","3","1","7","1","4","5","1") = "6"
    & skf21("5","3","1","7","1","4","6","1") = "6"
    & skf21("5","3","1","7","1","4","7","1") = "6"
    & skf21("5","3","1","7","1","5","1","1") = "6"
    & skf21("5","3","1","7","1","5","2","1") = "6"
    & skf21("5","3","1","7","1","5","3","1") = "6"
    & skf21("5","3","1","7","1","5","4","1") = "6"
    & skf21("5","3","1","7","1","5","5","1") = "6"
    & skf21("5","3","1","7","1","5","6","1") = "6"
    & skf21("5","3","1","7","1","5","7","1") = "6"
    & skf21("5","3","1","7","1","6","1","1") = "6"
    & skf21("5","3","1","7","1","6","2","1") = "6"
    & skf21("5","3","1","7","1","6","3","1") = "6"
    & skf21("5","3","1","7","1","6","4","1") = "6"
    & skf21("5","3","1","7","1","6","5","1") = "6"
    & skf21("5","3","1","7","1","6","6","1") = "6"
    & skf21("5","3","1","7","1","6","7","1") = "6"
    & skf21("5","3","1","7","1","7","1","1") = "6"
    & skf21("5","3","1","7","1","7","2","1") = "6"
    & skf21("5","3","1","7","1","7","3","1") = "6"
    & skf21("5","3","1","7","1","7","4","1") = "6"
    & skf21("5","3","1","7","1","7","5","1") = "6"
    & skf21("5","3","1","7","1","7","6","1") = "6"
    & skf21("5","3","1","7","1","7","7","1") = "6"
    & skf21("5","3","1","7","2","1","1","1") = "6"
    & skf21("5","3","1","7","2","1","2","1") = "6"
    & skf21("5","3","1","7","2","1","3","1") = "6"
    & skf21("5","3","1","7","2","1","4","1") = "6"
    & skf21("5","3","1","7","2","1","5","1") = "6"
    & skf21("5","3","1","7","2","1","6","1") = "6"
    & skf21("5","3","1","7","2","1","7","1") = "6"
    & skf21("5","3","1","7","2","2","1","1") = "6"
    & skf21("5","3","1","7","2","2","2","1") = "6"
    & skf21("5","3","1","7","2","2","3","1") = "6"
    & skf21("5","3","1","7","2","2","4","1") = "6"
    & skf21("5","3","1","7","2","2","5","1") = "6"
    & skf21("5","3","1","7","2","2","6","1") = "6"
    & skf21("5","3","1","7","2","2","7","1") = "6"
    & skf21("5","3","1","7","2","3","1","1") = "6"
    & skf21("5","3","1","7","2","3","2","1") = "6"
    & skf21("5","3","1","7","2","3","3","1") = "6"
    & skf21("5","3","1","7","2","3","4","1") = "6"
    & skf21("5","3","1","7","2","3","5","1") = "6"
    & skf21("5","3","1","7","2","3","6","1") = "6"
    & skf21("5","3","1","7","2","3","7","1") = "6"
    & skf21("5","3","1","7","2","4","1","1") = "6"
    & skf21("5","3","1","7","2","4","2","1") = "6"
    & skf21("5","3","1","7","2","4","3","1") = "6"
    & skf21("5","3","1","7","2","4","4","1") = "6"
    & skf21("5","3","1","7","2","4","5","1") = "6"
    & skf21("5","3","1","7","2","4","6","1") = "6"
    & skf21("5","3","1","7","2","4","7","1") = "6"
    & skf21("5","3","1","7","2","5","1","1") = "6"
    & skf21("5","3","1","7","2","5","2","1") = "6"
    & skf21("5","3","1","7","2","5","3","1") = "6"
    & skf21("5","3","1","7","2","5","4","1") = "6"
    & skf21("5","3","1","7","2","5","5","1") = "6"
    & skf21("5","3","1","7","2","5","6","1") = "6"
    & skf21("5","3","1","7","2","5","7","1") = "6"
    & skf21("5","3","1","7","2","6","1","1") = "6"
    & skf21("5","3","1","7","2","6","2","1") = "6"
    & skf21("5","3","1","7","2","6","3","1") = "6"
    & skf21("5","3","1","7","2","6","4","1") = "6"
    & skf21("5","3","1","7","2","6","5","1") = "6"
    & skf21("5","3","1","7","2","6","6","1") = "6"
    & skf21("5","3","1","7","2","6","7","1") = "6"
    & skf21("5","3","1","7","2","7","1","1") = "6"
    & skf21("5","3","1","7","2","7","2","1") = "6"
    & skf21("5","3","1","7","2","7","3","1") = "6"
    & skf21("5","3","1","7","2","7","4","1") = "6"
    & skf21("5","3","1","7","2","7","5","1") = "6"
    & skf21("5","3","1","7","2","7","6","1") = "6"
    & skf21("5","3","1","7","2","7","7","1") = "6"
    & skf21("5","3","1","7","3","1","1","1") = "6"
    & skf21("5","3","1","7","3","1","2","1") = "6"
    & skf21("5","3","1","7","3","1","3","1") = "6"
    & skf21("5","3","1","7","3","1","4","1") = "6"
    & skf21("5","3","1","7","3","1","5","1") = "6"
    & skf21("5","3","1","7","3","1","6","1") = "6"
    & skf21("5","3","1","7","3","1","7","1") = "6"
    & skf21("5","3","1","7","3","2","1","1") = "6"
    & skf21("5","3","1","7","3","2","2","1") = "6"
    & skf21("5","3","1","7","3","2","3","1") = "6"
    & skf21("5","3","1","7","3","2","4","1") = "6"
    & skf21("5","3","1","7","3","2","5","1") = "6"
    & skf21("5","3","1","7","3","2","6","1") = "6"
    & skf21("5","3","1","7","3","2","7","1") = "6"
    & skf21("5","3","1","7","3","3","1","1") = "6"
    & skf21("5","3","1","7","3","3","2","1") = "6"
    & skf21("5","3","1","7","3","3","3","1") = "6"
    & skf21("5","3","1","7","3","3","4","1") = "6"
    & skf21("5","3","1","7","3","3","5","1") = "6"
    & skf21("5","3","1","7","3","3","6","1") = "6"
    & skf21("5","3","1","7","3","3","7","1") = "6"
    & skf21("5","3","1","7","3","4","1","1") = "6"
    & skf21("5","3","1","7","3","4","2","1") = "6"
    & skf21("5","3","1","7","3","4","3","1") = "6"
    & skf21("5","3","1","7","3","4","4","1") = "6"
    & skf21("5","3","1","7","3","4","5","1") = "6"
    & skf21("5","3","1","7","3","4","6","1") = "6"
    & skf21("5","3","1","7","3","4","7","1") = "6"
    & skf21("5","3","1","7","3","5","1","1") = "6"
    & skf21("5","3","1","7","3","5","2","1") = "6"
    & skf21("5","3","1","7","3","5","3","1") = "6"
    & skf21("5","3","1","7","3","5","4","1") = "6"
    & skf21("5","3","1","7","3","5","5","1") = "6"
    & skf21("5","3","1","7","3","5","6","1") = "6"
    & skf21("5","3","1","7","3","5","7","1") = "6"
    & skf21("5","3","1","7","3","6","1","1") = "6"
    & skf21("5","3","1","7","3","6","2","1") = "6"
    & skf21("5","3","1","7","3","6","3","1") = "6"
    & skf21("5","3","1","7","3","6","4","1") = "6"
    & skf21("5","3","1","7","3","6","5","1") = "6"
    & skf21("5","3","1","7","3","6","6","1") = "6"
    & skf21("5","3","1","7","3","6","7","1") = "6"
    & skf21("5","3","1","7","3","7","1","1") = "6"
    & skf21("5","3","1","7","3","7","2","1") = "6"
    & skf21("5","3","1","7","3","7","3","1") = "6"
    & skf21("5","3","1","7","3","7","4","1") = "6"
    & skf21("5","3","1","7","3","7","5","1") = "6"
    & skf21("5","3","1","7","3","7","6","1") = "6"
    & skf21("5","3","1","7","3","7","7","1") = "6"
    & skf21("5","3","1","7","4","1","1","1") = "6"
    & skf21("5","3","1","7","4","1","2","1") = "6"
    & skf21("5","3","1","7","4","1","3","1") = "6"
    & skf21("5","3","1","7","4","1","4","1") = "6"
    & skf21("5","3","1","7","4","1","5","1") = "6"
    & skf21("5","3","1","7","4","1","6","1") = "6"
    & skf21("5","3","1","7","4","1","7","1") = "6"
    & skf21("5","3","1","7","4","2","1","1") = "6"
    & skf21("5","3","1","7","4","2","2","1") = "6"
    & skf21("5","3","1","7","4","2","3","1") = "6"
    & skf21("5","3","1","7","4","2","4","1") = "6"
    & skf21("5","3","1","7","4","2","5","1") = "6"
    & skf21("5","3","1","7","4","2","6","1") = "6"
    & skf21("5","3","1","7","4","2","7","1") = "6"
    & skf21("5","3","1","7","4","3","1","1") = "6"
    & skf21("5","3","1","7","4","3","2","1") = "6"
    & skf21("5","3","1","7","4","3","3","1") = "6"
    & skf21("5","3","1","7","4","3","4","1") = "6"
    & skf21("5","3","1","7","4","3","5","1") = "6"
    & skf21("5","3","1","7","4","3","6","1") = "6"
    & skf21("5","3","1","7","4","3","7","1") = "6"
    & skf21("5","3","1","7","4","4","1","1") = "6"
    & skf21("5","3","1","7","4","4","2","1") = "6"
    & skf21("5","3","1","7","4","4","3","1") = "6"
    & skf21("5","3","1","7","4","4","4","1") = "6"
    & skf21("5","3","1","7","4","4","5","1") = "6"
    & skf21("5","3","1","7","4","4","6","1") = "6"
    & skf21("5","3","1","7","4","4","7","1") = "6"
    & skf21("5","3","1","7","4","5","1","1") = "6"
    & skf21("5","3","1","7","4","5","2","1") = "6"
    & skf21("5","3","1","7","4","5","3","1") = "6"
    & skf21("5","3","1","7","4","5","4","1") = "6"
    & skf21("5","3","1","7","4","5","5","1") = "6"
    & skf21("5","3","1","7","4","5","6","1") = "6"
    & skf21("5","3","1","7","4","5","7","1") = "6"
    & skf21("5","3","1","7","4","6","1","1") = "6"
    & skf21("5","3","1","7","4","6","2","1") = "6"
    & skf21("5","3","1","7","4","6","3","1") = "6"
    & skf21("5","3","1","7","4","6","4","1") = "6"
    & skf21("5","3","1","7","4","6","5","1") = "6"
    & skf21("5","3","1","7","4","6","6","1") = "6"
    & skf21("5","3","1","7","4","6","7","1") = "6"
    & skf21("5","3","1","7","4","7","1","1") = "6"
    & skf21("5","3","1","7","4","7","2","1") = "6"
    & skf21("5","3","1","7","4","7","3","1") = "6"
    & skf21("5","3","1","7","4","7","4","1") = "6"
    & skf21("5","3","1","7","4","7","5","1") = "6"
    & skf21("5","3","1","7","4","7","6","1") = "6"
    & skf21("5","3","1","7","4","7","7","1") = "6"
    & skf21("5","3","1","7","5","1","1","1") = "6"
    & skf21("5","3","1","7","5","1","2","1") = "6"
    & skf21("5","3","1","7","5","1","3","1") = "6"
    & skf21("5","3","1","7","5","1","4","1") = "6"
    & skf21("5","3","1","7","5","1","5","1") = "6"
    & skf21("5","3","1","7","5","1","6","1") = "6"
    & skf21("5","3","1","7","5","1","7","1") = "6"
    & skf21("5","3","1","7","5","2","1","1") = "6"
    & skf21("5","3","1","7","5","2","2","1") = "6"
    & skf21("5","3","1","7","5","2","3","1") = "6"
    & skf21("5","3","1","7","5","2","4","1") = "6"
    & skf21("5","3","1","7","5","2","5","1") = "6"
    & skf21("5","3","1","7","5","2","6","1") = "6"
    & skf21("5","3","1","7","5","2","7","1") = "6"
    & skf21("5","3","1","7","5","3","1","1") = "6"
    & skf21("5","3","1","7","5","3","2","1") = "6"
    & skf21("5","3","1","7","5","3","3","1") = "6"
    & skf21("5","3","1","7","5","3","4","1") = "6"
    & skf21("5","3","1","7","5","3","5","1") = "6"
    & skf21("5","3","1","7","5","3","6","1") = "6"
    & skf21("5","3","1","7","5","3","7","1") = "6"
    & skf21("5","3","1","7","5","4","1","1") = "6"
    & skf21("5","3","1","7","5","4","2","1") = "6"
    & skf21("5","3","1","7","5","4","3","1") = "6"
    & skf21("5","3","1","7","5","4","4","1") = "6"
    & skf21("5","3","1","7","5","4","5","1") = "6"
    & skf21("5","3","1","7","5","4","6","1") = "6"
    & skf21("5","3","1","7","5","4","7","1") = "6"
    & skf21("5","3","1","7","5","5","1","1") = "6"
    & skf21("5","3","1","7","5","5","2","1") = "6"
    & skf21("5","3","1","7","5","5","3","1") = "6"
    & skf21("5","3","1","7","5","5","4","1") = "6"
    & skf21("5","3","1","7","5","5","5","1") = "6"
    & skf21("5","3","1","7","5","5","6","1") = "6"
    & skf21("5","3","1","7","5","5","7","1") = "6"
    & skf21("5","3","1","7","5","6","1","1") = "6"
    & skf21("5","3","1","7","5","6","2","1") = "6"
    & skf21("5","3","1","7","5","6","3","1") = "6"
    & skf21("5","3","1","7","5","6","4","1") = "6"
    & skf21("5","3","1","7","5","6","5","1") = "6"
    & skf21("5","3","1","7","5","6","6","1") = "6"
    & skf21("5","3","1","7","5","6","7","1") = "6"
    & skf21("5","3","1","7","5","7","1","1") = "6"
    & skf21("5","3","1","7","5","7","2","1") = "6"
    & skf21("5","3","1","7","5","7","3","1") = "6"
    & skf21("5","3","1","7","5","7","4","1") = "6"
    & skf21("5","3","1","7","5","7","5","1") = "6"
    & skf21("5","3","1","7","5","7","6","1") = "6"
    & skf21("5","3","1","7","5","7","7","1") = "6"
    & skf21("5","3","1","7","6","1","1","1") = "6"
    & skf21("5","3","1","7","6","1","2","1") = "6"
    & skf21("5","3","1","7","6","1","3","1") = "6"
    & skf21("5","3","1","7","6","1","4","1") = "6"
    & skf21("5","3","1","7","6","1","5","1") = "6"
    & skf21("5","3","1","7","6","1","6","1") = "6"
    & skf21("5","3","1","7","6","1","7","1") = "6"
    & skf21("5","3","1","7","6","2","1","1") = "6"
    & skf21("5","3","1","7","6","2","2","1") = "6"
    & skf21("5","3","1","7","6","2","3","1") = "6"
    & skf21("5","3","1","7","6","2","4","1") = "6"
    & skf21("5","3","1","7","6","2","5","1") = "6"
    & skf21("5","3","1","7","6","2","6","1") = "6"
    & skf21("5","3","1","7","6","2","7","1") = "6"
    & skf21("5","3","1","7","6","3","1","1") = "6"
    & skf21("5","3","1","7","6","3","2","1") = "6"
    & skf21("5","3","1","7","6","3","3","1") = "6"
    & skf21("5","3","1","7","6","3","4","1") = "6"
    & skf21("5","3","1","7","6","3","5","1") = "6"
    & skf21("5","3","1","7","6","3","6","1") = "6"
    & skf21("5","3","1","7","6","3","7","1") = "6"
    & skf21("5","3","1","7","6","4","1","1") = "6"
    & skf21("5","3","1","7","6","4","2","1") = "6"
    & skf21("5","3","1","7","6","4","3","1") = "6"
    & skf21("5","3","1","7","6","4","4","1") = "6"
    & skf21("5","3","1","7","6","4","5","1") = "6"
    & skf21("5","3","1","7","6","4","6","1") = "6"
    & skf21("5","3","1","7","6","4","7","1") = "6"
    & skf21("5","3","1","7","6","5","1","1") = "6"
    & skf21("5","3","1","7","6","5","2","1") = "6"
    & skf21("5","3","1","7","6","5","3","1") = "6"
    & skf21("5","3","1","7","6","5","4","1") = "6"
    & skf21("5","3","1","7","6","5","5","1") = "6"
    & skf21("5","3","1","7","6","5","6","1") = "6"
    & skf21("5","3","1","7","6","5","7","1") = "6"
    & skf21("5","3","1","7","6","6","1","1") = "6"
    & skf21("5","3","1","7","6","6","2","1") = "6"
    & skf21("5","3","1","7","6","6","3","1") = "6"
    & skf21("5","3","1","7","6","6","4","1") = "6"
    & skf21("5","3","1","7","6","6","5","1") = "6"
    & skf21("5","3","1","7","6","6","6","1") = "6"
    & skf21("5","3","1","7","6","6","7","1") = "6"
    & skf21("5","3","1","7","6","7","1","1") = "6"
    & skf21("5","3","1","7","6","7","2","1") = "6"
    & skf21("5","3","1","7","6","7","3","1") = "6"
    & skf21("5","3","1","7","6","7","4","1") = "6"
    & skf21("5","3","1","7","6","7","5","1") = "6"
    & skf21("5","3","1","7","6","7","6","1") = "6"
    & skf21("5","3","1","7","6","7","7","1") = "6"
    & skf21("5","3","1","7","7","1","1","1") = "6"
    & skf21("5","3","1","7","7","1","2","1") = "6"
    & skf21("5","3","1","7","7","1","3","1") = "6"
    & skf21("5","3","1","7","7","1","4","1") = "6"
    & skf21("5","3","1","7","7","1","5","1") = "6"
    & skf21("5","3","1","7","7","1","6","1") = "6"
    & skf21("5","3","1","7","7","1","7","1") = "6"
    & skf21("5","3","1","7","7","2","1","1") = "6"
    & skf21("5","3","1","7","7","2","2","1") = "6"
    & skf21("5","3","1","7","7","2","3","1") = "6"
    & skf21("5","3","1","7","7","2","4","1") = "6"
    & skf21("5","3","1","7","7","2","5","1") = "6"
    & skf21("5","3","1","7","7","2","6","1") = "6"
    & skf21("5","3","1","7","7","2","7","1") = "6"
    & skf21("5","3","1","7","7","3","1","1") = "6"
    & skf21("5","3","1","7","7","3","2","1") = "6"
    & skf21("5","3","1","7","7","3","3","1") = "6"
    & skf21("5","3","1","7","7","3","4","1") = "6"
    & skf21("5","3","1","7","7","3","5","1") = "6"
    & skf21("5","3","1","7","7","3","6","1") = "6"
    & skf21("5","3","1","7","7","3","7","1") = "6"
    & skf21("5","3","1","7","7","4","1","1") = "6"
    & skf21("5","3","1","7","7","4","2","1") = "6"
    & skf21("5","3","1","7","7","4","3","1") = "6"
    & skf21("5","3","1","7","7","4","4","1") = "6"
    & skf21("5","3","1","7","7","4","5","1") = "6"
    & skf21("5","3","1","7","7","4","6","1") = "6"
    & skf21("5","3","1","7","7","4","7","1") = "6"
    & skf21("5","3","1","7","7","5","1","1") = "6"
    & skf21("5","3","1","7","7","5","2","1") = "6"
    & skf21("5","3","1","7","7","5","3","1") = "6"
    & skf21("5","3","1","7","7","5","4","1") = "6"
    & skf21("5","3","1","7","7","5","5","1") = "6"
    & skf21("5","3","1","7","7","5","6","1") = "6"
    & skf21("5","3","1","7","7","5","7","1") = "6"
    & skf21("5","3","1","7","7","6","1","1") = "6"
    & skf21("5","3","1","7","7","6","2","1") = "6"
    & skf21("5","3","1","7","7","6","3","1") = "6"
    & skf21("5","3","1","7","7","6","4","1") = "6"
    & skf21("5","3","1","7","7","6","5","1") = "6"
    & skf21("5","3","1","7","7","6","6","1") = "6"
    & skf21("5","3","1","7","7","6","7","1") = "6"
    & skf21("5","3","1","7","7","7","1","1") = "6"
    & skf21("5","3","1","7","7","7","2","1") = "6"
    & skf21("5","3","1","7","7","7","3","1") = "6"
    & skf21("5","3","1","7","7","7","4","1") = "6"
    & skf21("5","3","1","7","7","7","5","1") = "6"
    & skf21("5","3","1","7","7","7","6","1") = "6"
    & skf21("5","3","1","7","7","7","7","1") = "6"
    & skf21("5","3","2","1","1","1","1","1") = "4"
    & skf21("5","3","2","1","1","1","2","1") = "4"
    & skf21("5","3","2","1","1","1","3","1") = "4"
    & skf21("5","3","2","1","1","1","4","1") = "4"
    & skf21("5","3","2","1","1","1","5","1") = "4"
    & skf21("5","3","2","1","1","1","6","1") = "5"
    & skf21("5","3","2","1","1","1","7","1") = "6"
    & skf21("5","3","2","1","1","2","1","1") = "4"
    & skf21("5","3","2","1","1","2","2","1") = "4"
    & skf21("5","3","2","1","1","2","3","1") = "4"
    & skf21("5","3","2","1","1","2","4","1") = "4"
    & skf21("5","3","2","1","1","2","5","1") = "4"
    & skf21("5","3","2","1","1","2","6","1") = "5"
    & skf21("5","3","2","1","1","2","7","1") = "6"
    & skf21("5","3","2","1","1","3","1","1") = "4"
    & skf21("5","3","2","1","1","3","2","1") = "4"
    & skf21("5","3","2","1","1","3","3","1") = "4"
    & skf21("5","3","2","1","1","3","4","1") = "4"
    & skf21("5","3","2","1","1","3","5","1") = "4"
    & skf21("5","3","2","1","1","3","6","1") = "5"
    & skf21("5","3","2","1","1","3","7","1") = "6"
    & skf21("5","3","2","1","1","4","1","1") = "4"
    & skf21("5","3","2","1","1","4","2","1") = "4"
    & skf21("5","3","2","1","1","4","3","1") = "4"
    & skf21("5","3","2","1","1","4","4","1") = "4"
    & skf21("5","3","2","1","1","4","5","1") = "4"
    & skf21("5","3","2","1","1","4","6","1") = "5"
    & skf21("5","3","2","1","1","4","7","1") = "6"
    & skf21("5","3","2","1","1","5","1","1") = "4"
    & skf21("5","3","2","1","1","5","2","1") = "4"
    & skf21("5","3","2","1","1","5","3","1") = "4"
    & skf21("5","3","2","1","1","5","4","1") = "4"
    & skf21("5","3","2","1","1","5","5","1") = "4"
    & skf21("5","3","2","1","1","5","6","1") = "5"
    & skf21("5","3","2","1","1","5","7","1") = "6"
    & skf21("5","3","2","1","1","6","1","1") = "5"
    & skf21("5","3","2","1","1","6","2","1") = "5"
    & skf21("5","3","2","1","1","6","3","1") = "5"
    & skf21("5","3","2","1","1","6","4","1") = "5"
    & skf21("5","3","2","1","1","6","5","1") = "5"
    & skf21("5","3","2","1","1","6","6","1") = "5"
    & skf21("5","3","2","1","1","6","7","1") = "6"
    & skf21("5","3","2","1","1","7","1","1") = "6"
    & skf21("5","3","2","1","1","7","2","1") = "6"
    & skf21("5","3","2","1","1","7","3","1") = "6"
    & skf21("5","3","2","1","1","7","4","1") = "6"
    & skf21("5","3","2","1","1","7","5","1") = "6"
    & skf21("5","3","2","1","1","7","6","1") = "6"
    & skf21("5","3","2","1","1","7","7","1") = "6"
    & skf21("5","3","2","1","2","1","1","1") = "4"
    & skf21("5","3","2","1","2","1","2","1") = "4"
    & skf21("5","3","2","1","2","1","3","1") = "4"
    & skf21("5","3","2","1","2","1","4","1") = "4"
    & skf21("5","3","2","1","2","1","5","1") = "4"
    & skf21("5","3","2","1","2","1","6","1") = "5"
    & skf21("5","3","2","1","2","1","7","1") = "6"
    & skf21("5","3","2","1","2","2","1","1") = "4"
    & skf21("5","3","2","1","2","2","2","1") = "4"
    & skf21("5","3","2","1","2","2","3","1") = "4"
    & skf21("5","3","2","1","2","2","4","1") = "4"
    & skf21("5","3","2","1","2","2","5","1") = "4"
    & skf21("5","3","2","1","2","2","6","1") = "5"
    & skf21("5","3","2","1","2","2","7","1") = "6"
    & skf21("5","3","2","1","2","3","1","1") = "4"
    & skf21("5","3","2","1","2","3","2","1") = "4"
    & skf21("5","3","2","1","2","3","3","1") = "4"
    & skf21("5","3","2","1","2","3","4","1") = "4"
    & skf21("5","3","2","1","2","3","5","1") = "4"
    & skf21("5","3","2","1","2","3","6","1") = "5"
    & skf21("5","3","2","1","2","3","7","1") = "6"
    & skf21("5","3","2","1","2","4","1","1") = "4"
    & skf21("5","3","2","1","2","4","2","1") = "4"
    & skf21("5","3","2","1","2","4","3","1") = "4"
    & skf21("5","3","2","1","2","4","4","1") = "4"
    & skf21("5","3","2","1","2","4","5","1") = "4"
    & skf21("5","3","2","1","2","4","6","1") = "5"
    & skf21("5","3","2","1","2","4","7","1") = "6"
    & skf21("5","3","2","1","2","5","1","1") = "4"
    & skf21("5","3","2","1","2","5","2","1") = "4"
    & skf21("5","3","2","1","2","5","3","1") = "4"
    & skf21("5","3","2","1","2","5","4","1") = "4"
    & skf21("5","3","2","1","2","5","5","1") = "4"
    & skf21("5","3","2","1","2","5","6","1") = "5"
    & skf21("5","3","2","1","2","5","7","1") = "6"
    & skf21("5","3","2","1","2","6","1","1") = "5"
    & skf21("5","3","2","1","2","6","2","1") = "5"
    & skf21("5","3","2","1","2","6","3","1") = "5"
    & skf21("5","3","2","1","2","6","4","1") = "5"
    & skf21("5","3","2","1","2","6","5","1") = "5"
    & skf21("5","3","2","1","2","6","6","1") = "5"
    & skf21("5","3","2","1","2","6","7","1") = "6"
    & skf21("5","3","2","1","2","7","1","1") = "6"
    & skf21("5","3","2","1","2","7","2","1") = "6"
    & skf21("5","3","2","1","2","7","3","1") = "6"
    & skf21("5","3","2","1","2","7","4","1") = "6"
    & skf21("5","3","2","1","2","7","5","1") = "6"
    & skf21("5","3","2","1","2","7","6","1") = "6"
    & skf21("5","3","2","1","2","7","7","1") = "6"
    & skf21("5","3","2","1","3","1","1","1") = "4"
    & skf21("5","3","2","1","3","1","2","1") = "4"
    & skf21("5","3","2","1","3","1","3","1") = "4"
    & skf21("5","3","2","1","3","1","4","1") = "4"
    & skf21("5","3","2","1","3","1","5","1") = "4"
    & skf21("5","3","2","1","3","1","6","1") = "5"
    & skf21("5","3","2","1","3","1","7","1") = "6"
    & skf21("5","3","2","1","3","2","1","1") = "4"
    & skf21("5","3","2","1","3","2","2","1") = "4"
    & skf21("5","3","2","1","3","2","3","1") = "4"
    & skf21("5","3","2","1","3","2","4","1") = "4"
    & skf21("5","3","2","1","3","2","5","1") = "4"
    & skf21("5","3","2","1","3","2","6","1") = "5"
    & skf21("5","3","2","1","3","2","7","1") = "6"
    & skf21("5","3","2","1","3","3","1","1") = "4"
    & skf21("5","3","2","1","3","3","2","1") = "4"
    & skf21("5","3","2","1","3","3","3","1") = "4"
    & skf21("5","3","2","1","3","3","4","1") = "4"
    & skf21("5","3","2","1","3","3","5","1") = "4"
    & skf21("5","3","2","1","3","3","6","1") = "5"
    & skf21("5","3","2","1","3","3","7","1") = "6"
    & skf21("5","3","2","1","3","4","1","1") = "4"
    & skf21("5","3","2","1","3","4","2","1") = "4"
    & skf21("5","3","2","1","3","4","3","1") = "4"
    & skf21("5","3","2","1","3","4","4","1") = "4"
    & skf21("5","3","2","1","3","4","5","1") = "4"
    & skf21("5","3","2","1","3","4","6","1") = "5"
    & skf21("5","3","2","1","3","4","7","1") = "6"
    & skf21("5","3","2","1","3","5","1","1") = "4"
    & skf21("5","3","2","1","3","5","2","1") = "4"
    & skf21("5","3","2","1","3","5","3","1") = "4"
    & skf21("5","3","2","1","3","5","4","1") = "4"
    & skf21("5","3","2","1","3","5","5","1") = "4"
    & skf21("5","3","2","1","3","5","6","1") = "5"
    & skf21("5","3","2","1","3","5","7","1") = "6"
    & skf21("5","3","2","1","3","6","1","1") = "5"
    & skf21("5","3","2","1","3","6","2","1") = "5"
    & skf21("5","3","2","1","3","6","3","1") = "5"
    & skf21("5","3","2","1","3","6","4","1") = "5"
    & skf21("5","3","2","1","3","6","5","1") = "5"
    & skf21("5","3","2","1","3","6","6","1") = "5"
    & skf21("5","3","2","1","3","6","7","1") = "6"
    & skf21("5","3","2","1","3","7","1","1") = "6"
    & skf21("5","3","2","1","3","7","2","1") = "6"
    & skf21("5","3","2","1","3","7","3","1") = "6"
    & skf21("5","3","2","1","3","7","4","1") = "6"
    & skf21("5","3","2","1","3","7","5","1") = "6"
    & skf21("5","3","2","1","3","7","6","1") = "6"
    & skf21("5","3","2","1","3","7","7","1") = "6"
    & skf21("5","3","2","1","4","1","1","1") = "4"
    & skf21("5","3","2","1","4","1","2","1") = "4"
    & skf21("5","3","2","1","4","1","3","1") = "4"
    & skf21("5","3","2","1","4","1","4","1") = "4"
    & skf21("5","3","2","1","4","1","5","1") = "4"
    & skf21("5","3","2","1","4","1","6","1") = "5"
    & skf21("5","3","2","1","4","1","7","1") = "6"
    & skf21("5","3","2","1","4","2","1","1") = "4"
    & skf21("5","3","2","1","4","2","2","1") = "4"
    & skf21("5","3","2","1","4","2","3","1") = "4"
    & skf21("5","3","2","1","4","2","4","1") = "4"
    & skf21("5","3","2","1","4","2","5","1") = "4"
    & skf21("5","3","2","1","4","2","6","1") = "5"
    & skf21("5","3","2","1","4","2","7","1") = "6"
    & skf21("5","3","2","1","4","3","1","1") = "4"
    & skf21("5","3","2","1","4","3","2","1") = "4"
    & skf21("5","3","2","1","4","3","3","1") = "4"
    & skf21("5","3","2","1","4","3","4","1") = "4"
    & skf21("5","3","2","1","4","3","5","1") = "4"
    & skf21("5","3","2","1","4","3","6","1") = "5"
    & skf21("5","3","2","1","4","3","7","1") = "6"
    & skf21("5","3","2","1","4","4","1","1") = "4"
    & skf21("5","3","2","1","4","4","2","1") = "4"
    & skf21("5","3","2","1","4","4","3","1") = "4"
    & skf21("5","3","2","1","4","4","4","1") = "4"
    & skf21("5","3","2","1","4","4","5","1") = "4"
    & skf21("5","3","2","1","4","4","6","1") = "5"
    & skf21("5","3","2","1","4","4","7","1") = "6"
    & skf21("5","3","2","1","4","5","1","1") = "4"
    & skf21("5","3","2","1","4","5","2","1") = "4"
    & skf21("5","3","2","1","4","5","3","1") = "4"
    & skf21("5","3","2","1","4","5","4","1") = "4"
    & skf21("5","3","2","1","4","5","5","1") = "4"
    & skf21("5","3","2","1","4","5","6","1") = "5"
    & skf21("5","3","2","1","4","5","7","1") = "6"
    & skf21("5","3","2","1","4","6","1","1") = "5"
    & skf21("5","3","2","1","4","6","2","1") = "5"
    & skf21("5","3","2","1","4","6","3","1") = "5"
    & skf21("5","3","2","1","4","6","4","1") = "5"
    & skf21("5","3","2","1","4","6","5","1") = "5"
    & skf21("5","3","2","1","4","6","6","1") = "5"
    & skf21("5","3","2","1","4","6","7","1") = "6"
    & skf21("5","3","2","1","4","7","1","1") = "6"
    & skf21("5","3","2","1","4","7","2","1") = "6"
    & skf21("5","3","2","1","4","7","3","1") = "6"
    & skf21("5","3","2","1","4","7","4","1") = "6"
    & skf21("5","3","2","1","4","7","5","1") = "6"
    & skf21("5","3","2","1","4","7","6","1") = "6"
    & skf21("5","3","2","1","4","7","7","1") = "6"
    & skf21("5","3","2","1","5","1","1","1") = "4"
    & skf21("5","3","2","1","5","1","2","1") = "4"
    & skf21("5","3","2","1","5","1","3","1") = "4"
    & skf21("5","3","2","1","5","1","4","1") = "4"
    & skf21("5","3","2","1","5","1","5","1") = "4"
    & skf21("5","3","2","1","5","1","6","1") = "5"
    & skf21("5","3","2","1","5","1","7","1") = "6"
    & skf21("5","3","2","1","5","2","1","1") = "4"
    & skf21("5","3","2","1","5","2","2","1") = "4"
    & skf21("5","3","2","1","5","2","3","1") = "4"
    & skf21("5","3","2","1","5","2","4","1") = "4"
    & skf21("5","3","2","1","5","2","5","1") = "4"
    & skf21("5","3","2","1","5","2","6","1") = "5"
    & skf21("5","3","2","1","5","2","7","1") = "6"
    & skf21("5","3","2","1","5","3","1","1") = "4"
    & skf21("5","3","2","1","5","3","2","1") = "4"
    & skf21("5","3","2","1","5","3","3","1") = "4"
    & skf21("5","3","2","1","5","3","4","1") = "4"
    & skf21("5","3","2","1","5","3","5","1") = "4"
    & skf21("5","3","2","1","5","3","6","1") = "5"
    & skf21("5","3","2","1","5","3","7","1") = "6"
    & skf21("5","3","2","1","5","4","1","1") = "4"
    & skf21("5","3","2","1","5","4","2","1") = "4"
    & skf21("5","3","2","1","5","4","3","1") = "4"
    & skf21("5","3","2","1","5","4","4","1") = "4"
    & skf21("5","3","2","1","5","4","5","1") = "4"
    & skf21("5","3","2","1","5","4","6","1") = "5"
    & skf21("5","3","2","1","5","4","7","1") = "6"
    & skf21("5","3","2","1","5","5","1","1") = "4"
    & skf21("5","3","2","1","5","5","2","1") = "4"
    & skf21("5","3","2","1","5","5","3","1") = "4"
    & skf21("5","3","2","1","5","5","4","1") = "4"
    & skf21("5","3","2","1","5","5","5","1") = "4"
    & skf21("5","3","2","1","5","5","6","1") = "5"
    & skf21("5","3","2","1","5","5","7","1") = "6"
    & skf21("5","3","2","1","5","6","1","1") = "5"
    & skf21("5","3","2","1","5","6","2","1") = "5"
    & skf21("5","3","2","1","5","6","3","1") = "5"
    & skf21("5","3","2","1","5","6","4","1") = "5"
    & skf21("5","3","2","1","5","6","5","1") = "5"
    & skf21("5","3","2","1","5","6","6","1") = "5"
    & skf21("5","3","2","1","5","6","7","1") = "6"
    & skf21("5","3","2","1","5","7","1","1") = "6"
    & skf21("5","3","2","1","5","7","2","1") = "6"
    & skf21("5","3","2","1","5","7","3","1") = "6"
    & skf21("5","3","2","1","5","7","4","1") = "6"
    & skf21("5","3","2","1","5","7","5","1") = "6"
    & skf21("5","3","2","1","5","7","6","1") = "6"
    & skf21("5","3","2","1","5","7","7","1") = "6"
    & skf21("5","3","2","1","6","1","1","1") = "5"
    & skf21("5","3","2","1","6","1","2","1") = "5"
    & skf21("5","3","2","1","6","1","3","1") = "5"
    & skf21("5","3","2","1","6","1","4","1") = "5"
    & skf21("5","3","2","1","6","1","5","1") = "5"
    & skf21("5","3","2","1","6","1","6","1") = "5"
    & skf21("5","3","2","1","6","1","7","1") = "6"
    & skf21("5","3","2","1","6","2","1","1") = "5"
    & skf21("5","3","2","1","6","2","2","1") = "5"
    & skf21("5","3","2","1","6","2","3","1") = "5"
    & skf21("5","3","2","1","6","2","4","1") = "5"
    & skf21("5","3","2","1","6","2","5","1") = "5"
    & skf21("5","3","2","1","6","2","6","1") = "5"
    & skf21("5","3","2","1","6","2","7","1") = "6"
    & skf21("5","3","2","1","6","3","1","1") = "5"
    & skf21("5","3","2","1","6","3","2","1") = "5"
    & skf21("5","3","2","1","6","3","3","1") = "5"
    & skf21("5","3","2","1","6","3","4","1") = "5"
    & skf21("5","3","2","1","6","3","5","1") = "5"
    & skf21("5","3","2","1","6","3","6","1") = "5"
    & skf21("5","3","2","1","6","3","7","1") = "6"
    & skf21("5","3","2","1","6","4","1","1") = "5"
    & skf21("5","3","2","1","6","4","2","1") = "5"
    & skf21("5","3","2","1","6","4","3","1") = "5"
    & skf21("5","3","2","1","6","4","4","1") = "5"
    & skf21("5","3","2","1","6","4","5","1") = "5"
    & skf21("5","3","2","1","6","4","6","1") = "5"
    & skf21("5","3","2","1","6","4","7","1") = "6"
    & skf21("5","3","2","1","6","5","1","1") = "5"
    & skf21("5","3","2","1","6","5","2","1") = "5"
    & skf21("5","3","2","1","6","5","3","1") = "5"
    & skf21("5","3","2","1","6","5","4","1") = "5"
    & skf21("5","3","2","1","6","5","5","1") = "5"
    & skf21("5","3","2","1","6","5","6","1") = "5"
    & skf21("5","3","2","1","6","5","7","1") = "6"
    & skf21("5","3","2","1","6","6","1","1") = "5"
    & skf21("5","3","2","1","6","6","2","1") = "5"
    & skf21("5","3","2","1","6","6","3","1") = "5"
    & skf21("5","3","2","1","6","6","4","1") = "5"
    & skf21("5","3","2","1","6","6","5","1") = "5"
    & skf21("5","3","2","1","6","6","6","1") = "5"
    & skf21("5","3","2","1","6","6","7","1") = "6"
    & skf21("5","3","2","1","6","7","1","1") = "6"
    & skf21("5","3","2","1","6","7","2","1") = "6"
    & skf21("5","3","2","1","6","7","3","1") = "6"
    & skf21("5","3","2","1","6","7","4","1") = "6"
    & skf21("5","3","2","1","6","7","5","1") = "6"
    & skf21("5","3","2","1","6","7","6","1") = "6"
    & skf21("5","3","2","1","6","7","7","1") = "6"
    & skf21("5","3","2","1","7","1","1","1") = "6"
    & skf21("5","3","2","1","7","1","2","1") = "6"
    & skf21("5","3","2","1","7","1","3","1") = "6"
    & skf21("5","3","2","1","7","1","4","1") = "6"
    & skf21("5","3","2","1","7","1","5","1") = "6"
    & skf21("5","3","2","1","7","1","6","1") = "6"
    & skf21("5","3","2","1","7","1","7","1") = "6"
    & skf21("5","3","2","1","7","2","1","1") = "6"
    & skf21("5","3","2","1","7","2","2","1") = "6"
    & skf21("5","3","2","1","7","2","3","1") = "6"
    & skf21("5","3","2","1","7","2","4","1") = "6"
    & skf21("5","3","2","1","7","2","5","1") = "6"
    & skf21("5","3","2","1","7","2","6","1") = "6"
    & skf21("5","3","2","1","7","2","7","1") = "6"
    & skf21("5","3","2","1","7","3","1","1") = "6"
    & skf21("5","3","2","1","7","3","2","1") = "6"
    & skf21("5","3","2","1","7","3","3","1") = "6"
    & skf21("5","3","2","1","7","3","4","1") = "6"
    & skf21("5","3","2","1","7","3","5","1") = "6"
    & skf21("5","3","2","1","7","3","6","1") = "6"
    & skf21("5","3","2","1","7","3","7","1") = "6"
    & skf21("5","3","2","1","7","4","1","1") = "6"
    & skf21("5","3","2","1","7","4","2","1") = "6"
    & skf21("5","3","2","1","7","4","3","1") = "6"
    & skf21("5","3","2","1","7","4","4","1") = "6"
    & skf21("5","3","2","1","7","4","5","1") = "6"
    & skf21("5","3","2","1","7","4","6","1") = "6"
    & skf21("5","3","2","1","7","4","7","1") = "6"
    & skf21("5","3","2","1","7","5","1","1") = "6"
    & skf21("5","3","2","1","7","5","2","1") = "6"
    & skf21("5","3","2","1","7","5","3","1") = "6"
    & skf21("5","3","2","1","7","5","4","1") = "6"
    & skf21("5","3","2","1","7","5","5","1") = "6"
    & skf21("5","3","2","1","7","5","6","1") = "6"
    & skf21("5","3","2","1","7","5","7","1") = "6"
    & skf21("5","3","2","1","7","6","1","1") = "6"
    & skf21("5","3","2","1","7","6","2","1") = "6"
    & skf21("5","3","2","1","7","6","3","1") = "6"
    & skf21("5","3","2","1","7","6","4","1") = "6"
    & skf21("5","3","2","1","7","6","5","1") = "6"
    & skf21("5","3","2","1","7","6","6","1") = "6"
    & skf21("5","3","2","1","7","6","7","1") = "6"
    & skf21("5","3","2","1","7","7","1","1") = "6"
    & skf21("5","3","2","1","7","7","2","1") = "6"
    & skf21("5","3","2","1","7","7","3","1") = "6"
    & skf21("5","3","2","1","7","7","4","1") = "6"
    & skf21("5","3","2","1","7","7","5","1") = "6"
    & skf21("5","3","2","1","7","7","6","1") = "6"
    & skf21("5","3","2","1","7","7","7","1") = "6"
    & skf21("5","3","2","2","1","1","1","1") = "4"
    & skf21("5","3","2","2","1","1","2","1") = "4"
    & skf21("5","3","2","2","1","1","3","1") = "4"
    & skf21("5","3","2","2","1","1","4","1") = "4"
    & skf21("5","3","2","2","1","1","5","1") = "4"
    & skf21("5","3","2","2","1","1","6","1") = "5"
    & skf21("5","3","2","2","1","1","7","1") = "6"
    & skf21("5","3","2","2","1","2","1","1") = "4"
    & skf21("5","3","2","2","1","2","2","1") = "4"
    & skf21("5","3","2","2","1","2","3","1") = "4"
    & skf21("5","3","2","2","1","2","4","1") = "4"
    & skf21("5","3","2","2","1","2","5","1") = "4"
    & skf21("5","3","2","2","1","2","6","1") = "5"
    & skf21("5","3","2","2","1","2","7","1") = "6"
    & skf21("5","3","2","2","1","3","1","1") = "4"
    & skf21("5","3","2","2","1","3","2","1") = "4"
    & skf21("5","3","2","2","1","3","3","1") = "4"
    & skf21("5","3","2","2","1","3","4","1") = "4"
    & skf21("5","3","2","2","1","3","5","1") = "4"
    & skf21("5","3","2","2","1","3","6","1") = "5"
    & skf21("5","3","2","2","1","3","7","1") = "6"
    & skf21("5","3","2","2","1","4","1","1") = "4"
    & skf21("5","3","2","2","1","4","2","1") = "4"
    & skf21("5","3","2","2","1","4","3","1") = "4"
    & skf21("5","3","2","2","1","4","4","1") = "4"
    & skf21("5","3","2","2","1","4","5","1") = "4"
    & skf21("5","3","2","2","1","4","6","1") = "5"
    & skf21("5","3","2","2","1","4","7","1") = "6"
    & skf21("5","3","2","2","1","5","1","1") = "4"
    & skf21("5","3","2","2","1","5","2","1") = "4"
    & skf21("5","3","2","2","1","5","3","1") = "4"
    & skf21("5","3","2","2","1","5","4","1") = "4"
    & skf21("5","3","2","2","1","5","5","1") = "4"
    & skf21("5","3","2","2","1","5","6","1") = "5"
    & skf21("5","3","2","2","1","5","7","1") = "6"
    & skf21("5","3","2","2","1","6","1","1") = "5"
    & skf21("5","3","2","2","1","6","2","1") = "5"
    & skf21("5","3","2","2","1","6","3","1") = "5"
    & skf21("5","3","2","2","1","6","4","1") = "5"
    & skf21("5","3","2","2","1","6","5","1") = "5"
    & skf21("5","3","2","2","1","6","6","1") = "5"
    & skf21("5","3","2","2","1","6","7","1") = "6"
    & skf21("5","3","2","2","1","7","1","1") = "6"
    & skf21("5","3","2","2","1","7","2","1") = "6"
    & skf21("5","3","2","2","1","7","3","1") = "6"
    & skf21("5","3","2","2","1","7","4","1") = "6"
    & skf21("5","3","2","2","1","7","5","1") = "6"
    & skf21("5","3","2","2","1","7","6","1") = "6"
    & skf21("5","3","2","2","1","7","7","1") = "6"
    & skf21("5","3","2","2","2","1","1","1") = "4"
    & skf21("5","3","2","2","2","1","2","1") = "4"
    & skf21("5","3","2","2","2","1","3","1") = "4"
    & skf21("5","3","2","2","2","1","4","1") = "4"
    & skf21("5","3","2","2","2","1","5","1") = "4"
    & skf21("5","3","2","2","2","1","6","1") = "5"
    & skf21("5","3","2","2","2","1","7","1") = "6"
    & skf21("5","3","2","2","2","2","1","1") = "4"
    & skf21("5","3","2","2","2","2","2","1") = "4"
    & skf21("5","3","2","2","2","2","3","1") = "4"
    & skf21("5","3","2","2","2","2","4","1") = "4"
    & skf21("5","3","2","2","2","2","5","1") = "4"
    & skf21("5","3","2","2","2","2","6","1") = "5"
    & skf21("5","3","2","2","2","2","7","1") = "6"
    & skf21("5","3","2","2","2","3","1","1") = "4"
    & skf21("5","3","2","2","2","3","2","1") = "4"
    & skf21("5","3","2","2","2","3","3","1") = "4"
    & skf21("5","3","2","2","2","3","4","1") = "4"
    & skf21("5","3","2","2","2","3","5","1") = "4"
    & skf21("5","3","2","2","2","3","6","1") = "5"
    & skf21("5","3","2","2","2","3","7","1") = "6"
    & skf21("5","3","2","2","2","4","1","1") = "4"
    & skf21("5","3","2","2","2","4","2","1") = "4"
    & skf21("5","3","2","2","2","4","3","1") = "4"
    & skf21("5","3","2","2","2","4","4","1") = "4"
    & skf21("5","3","2","2","2","4","5","1") = "4"
    & skf21("5","3","2","2","2","4","6","1") = "5"
    & skf21("5","3","2","2","2","4","7","1") = "6"
    & skf21("5","3","2","2","2","5","1","1") = "4"
    & skf21("5","3","2","2","2","5","2","1") = "4"
    & skf21("5","3","2","2","2","5","3","1") = "4"
    & skf21("5","3","2","2","2","5","4","1") = "4"
    & skf21("5","3","2","2","2","5","5","1") = "4"
    & skf21("5","3","2","2","2","5","6","1") = "5"
    & skf21("5","3","2","2","2","5","7","1") = "6"
    & skf21("5","3","2","2","2","6","1","1") = "5"
    & skf21("5","3","2","2","2","6","2","1") = "5"
    & skf21("5","3","2","2","2","6","3","1") = "5"
    & skf21("5","3","2","2","2","6","4","1") = "5"
    & skf21("5","3","2","2","2","6","5","1") = "5"
    & skf21("5","3","2","2","2","6","6","1") = "5"
    & skf21("5","3","2","2","2","6","7","1") = "6"
    & skf21("5","3","2","2","2","7","1","1") = "6"
    & skf21("5","3","2","2","2","7","2","1") = "6"
    & skf21("5","3","2","2","2","7","3","1") = "6"
    & skf21("5","3","2","2","2","7","4","1") = "6"
    & skf21("5","3","2","2","2","7","5","1") = "6"
    & skf21("5","3","2","2","2","7","6","1") = "6"
    & skf21("5","3","2","2","2","7","7","1") = "6"
    & skf21("5","3","2","2","3","1","1","1") = "4"
    & skf21("5","3","2","2","3","1","2","1") = "4"
    & skf21("5","3","2","2","3","1","3","1") = "4"
    & skf21("5","3","2","2","3","1","4","1") = "4"
    & skf21("5","3","2","2","3","1","5","1") = "4"
    & skf21("5","3","2","2","3","1","6","1") = "5"
    & skf21("5","3","2","2","3","1","7","1") = "6"
    & skf21("5","3","2","2","3","2","1","1") = "4"
    & skf21("5","3","2","2","3","2","2","1") = "4"
    & skf21("5","3","2","2","3","2","3","1") = "4"
    & skf21("5","3","2","2","3","2","4","1") = "4"
    & skf21("5","3","2","2","3","2","5","1") = "4"
    & skf21("5","3","2","2","3","2","6","1") = "5"
    & skf21("5","3","2","2","3","2","7","1") = "6"
    & skf21("5","3","2","2","3","3","1","1") = "4"
    & skf21("5","3","2","2","3","3","2","1") = "4"
    & skf21("5","3","2","2","3","3","3","1") = "4"
    & skf21("5","3","2","2","3","3","4","1") = "4"
    & skf21("5","3","2","2","3","3","5","1") = "4"
    & skf21("5","3","2","2","3","3","6","1") = "5"
    & skf21("5","3","2","2","3","3","7","1") = "6"
    & skf21("5","3","2","2","3","4","1","1") = "4"
    & skf21("5","3","2","2","3","4","2","1") = "4"
    & skf21("5","3","2","2","3","4","3","1") = "4"
    & skf21("5","3","2","2","3","4","4","1") = "4"
    & skf21("5","3","2","2","3","4","5","1") = "4"
    & skf21("5","3","2","2","3","4","6","1") = "5"
    & skf21("5","3","2","2","3","4","7","1") = "6"
    & skf21("5","3","2","2","3","5","1","1") = "4"
    & skf21("5","3","2","2","3","5","2","1") = "4"
    & skf21("5","3","2","2","3","5","3","1") = "4"
    & skf21("5","3","2","2","3","5","4","1") = "4"
    & skf21("5","3","2","2","3","5","5","1") = "4"
    & skf21("5","3","2","2","3","5","6","1") = "5"
    & skf21("5","3","2","2","3","5","7","1") = "6"
    & skf21("5","3","2","2","3","6","1","1") = "5"
    & skf21("5","3","2","2","3","6","2","1") = "5"
    & skf21("5","3","2","2","3","6","3","1") = "5"
    & skf21("5","3","2","2","3","6","4","1") = "5"
    & skf21("5","3","2","2","3","6","5","1") = "5"
    & skf21("5","3","2","2","3","6","6","1") = "5"
    & skf21("5","3","2","2","3","6","7","1") = "6"
    & skf21("5","3","2","2","3","7","1","1") = "6"
    & skf21("5","3","2","2","3","7","2","1") = "6"
    & skf21("5","3","2","2","3","7","3","1") = "6"
    & skf21("5","3","2","2","3","7","4","1") = "6"
    & skf21("5","3","2","2","3","7","5","1") = "6"
    & skf21("5","3","2","2","3","7","6","1") = "6"
    & skf21("5","3","2","2","3","7","7","1") = "6"
    & skf21("5","3","2","2","4","1","1","1") = "4"
    & skf21("5","3","2","2","4","1","2","1") = "4"
    & skf21("5","3","2","2","4","1","3","1") = "4"
    & skf21("5","3","2","2","4","1","4","1") = "4"
    & skf21("5","3","2","2","4","1","5","1") = "4"
    & skf21("5","3","2","2","4","1","6","1") = "5"
    & skf21("5","3","2","2","4","1","7","1") = "6"
    & skf21("5","3","2","2","4","2","1","1") = "4"
    & skf21("5","3","2","2","4","2","2","1") = "4"
    & skf21("5","3","2","2","4","2","3","1") = "4"
    & skf21("5","3","2","2","4","2","4","1") = "4"
    & skf21("5","3","2","2","4","2","5","1") = "4"
    & skf21("5","3","2","2","4","2","6","1") = "5"
    & skf21("5","3","2","2","4","2","7","1") = "6"
    & skf21("5","3","2","2","4","3","1","1") = "4"
    & skf21("5","3","2","2","4","3","2","1") = "4"
    & skf21("5","3","2","2","4","3","3","1") = "4"
    & skf21("5","3","2","2","4","3","4","1") = "4"
    & skf21("5","3","2","2","4","3","5","1") = "4"
    & skf21("5","3","2","2","4","3","6","1") = "5"
    & skf21("5","3","2","2","4","3","7","1") = "6"
    & skf21("5","3","2","2","4","4","1","1") = "4"
    & skf21("5","3","2","2","4","4","2","1") = "4"
    & skf21("5","3","2","2","4","4","3","1") = "4"
    & skf21("5","3","2","2","4","4","4","1") = "4"
    & skf21("5","3","2","2","4","4","5","1") = "4"
    & skf21("5","3","2","2","4","4","6","1") = "5"
    & skf21("5","3","2","2","4","4","7","1") = "6"
    & skf21("5","3","2","2","4","5","1","1") = "4"
    & skf21("5","3","2","2","4","5","2","1") = "4"
    & skf21("5","3","2","2","4","5","3","1") = "4"
    & skf21("5","3","2","2","4","5","4","1") = "4"
    & skf21("5","3","2","2","4","5","5","1") = "4"
    & skf21("5","3","2","2","4","5","6","1") = "5"
    & skf21("5","3","2","2","4","5","7","1") = "6"
    & skf21("5","3","2","2","4","6","1","1") = "5"
    & skf21("5","3","2","2","4","6","2","1") = "5"
    & skf21("5","3","2","2","4","6","3","1") = "5"
    & skf21("5","3","2","2","4","6","4","1") = "5"
    & skf21("5","3","2","2","4","6","5","1") = "5"
    & skf21("5","3","2","2","4","6","6","1") = "5"
    & skf21("5","3","2","2","4","6","7","1") = "6"
    & skf21("5","3","2","2","4","7","1","1") = "6"
    & skf21("5","3","2","2","4","7","2","1") = "6"
    & skf21("5","3","2","2","4","7","3","1") = "6"
    & skf21("5","3","2","2","4","7","4","1") = "6"
    & skf21("5","3","2","2","4","7","5","1") = "6"
    & skf21("5","3","2","2","4","7","6","1") = "6"
    & skf21("5","3","2","2","4","7","7","1") = "6"
    & skf21("5","3","2","2","5","1","1","1") = "4"
    & skf21("5","3","2","2","5","1","2","1") = "4"
    & skf21("5","3","2","2","5","1","3","1") = "4"
    & skf21("5","3","2","2","5","1","4","1") = "4"
    & skf21("5","3","2","2","5","1","5","1") = "4"
    & skf21("5","3","2","2","5","1","6","1") = "5"
    & skf21("5","3","2","2","5","1","7","1") = "6"
    & skf21("5","3","2","2","5","2","1","1") = "4"
    & skf21("5","3","2","2","5","2","2","1") = "4"
    & skf21("5","3","2","2","5","2","3","1") = "4"
    & skf21("5","3","2","2","5","2","4","1") = "4"
    & skf21("5","3","2","2","5","2","5","1") = "4"
    & skf21("5","3","2","2","5","2","6","1") = "5"
    & skf21("5","3","2","2","5","2","7","1") = "6"
    & skf21("5","3","2","2","5","3","1","1") = "4"
    & skf21("5","3","2","2","5","3","2","1") = "4"
    & skf21("5","3","2","2","5","3","3","1") = "4"
    & skf21("5","3","2","2","5","3","4","1") = "4"
    & skf21("5","3","2","2","5","3","5","1") = "4"
    & skf21("5","3","2","2","5","3","6","1") = "5"
    & skf21("5","3","2","2","5","3","7","1") = "6"
    & skf21("5","3","2","2","5","4","1","1") = "4"
    & skf21("5","3","2","2","5","4","2","1") = "4"
    & skf21("5","3","2","2","5","4","3","1") = "4"
    & skf21("5","3","2","2","5","4","4","1") = "4"
    & skf21("5","3","2","2","5","4","5","1") = "4"
    & skf21("5","3","2","2","5","4","6","1") = "5"
    & skf21("5","3","2","2","5","4","7","1") = "6"
    & skf21("5","3","2","2","5","5","1","1") = "4"
    & skf21("5","3","2","2","5","5","2","1") = "4"
    & skf21("5","3","2","2","5","5","3","1") = "4"
    & skf21("5","3","2","2","5","5","4","1") = "4"
    & skf21("5","3","2","2","5","5","5","1") = "4"
    & skf21("5","3","2","2","5","5","6","1") = "5"
    & skf21("5","3","2","2","5","5","7","1") = "6"
    & skf21("5","3","2","2","5","6","1","1") = "5"
    & skf21("5","3","2","2","5","6","2","1") = "5"
    & skf21("5","3","2","2","5","6","3","1") = "5"
    & skf21("5","3","2","2","5","6","4","1") = "5"
    & skf21("5","3","2","2","5","6","5","1") = "5"
    & skf21("5","3","2","2","5","6","6","1") = "5"
    & skf21("5","3","2","2","5","6","7","1") = "6"
    & skf21("5","3","2","2","5","7","1","1") = "6"
    & skf21("5","3","2","2","5","7","2","1") = "6"
    & skf21("5","3","2","2","5","7","3","1") = "6"
    & skf21("5","3","2","2","5","7","4","1") = "6"
    & skf21("5","3","2","2","5","7","5","1") = "6"
    & skf21("5","3","2","2","5","7","6","1") = "6"
    & skf21("5","3","2","2","5","7","7","1") = "6"
    & skf21("5","3","2","2","6","1","1","1") = "5"
    & skf21("5","3","2","2","6","1","2","1") = "5"
    & skf21("5","3","2","2","6","1","3","1") = "5"
    & skf21("5","3","2","2","6","1","4","1") = "5"
    & skf21("5","3","2","2","6","1","5","1") = "5"
    & skf21("5","3","2","2","6","1","6","1") = "5"
    & skf21("5","3","2","2","6","1","7","1") = "6"
    & skf21("5","3","2","2","6","2","1","1") = "5"
    & skf21("5","3","2","2","6","2","2","1") = "5"
    & skf21("5","3","2","2","6","2","3","1") = "5"
    & skf21("5","3","2","2","6","2","4","1") = "5"
    & skf21("5","3","2","2","6","2","5","1") = "5"
    & skf21("5","3","2","2","6","2","6","1") = "5"
    & skf21("5","3","2","2","6","2","7","1") = "6"
    & skf21("5","3","2","2","6","3","1","1") = "5"
    & skf21("5","3","2","2","6","3","2","1") = "5"
    & skf21("5","3","2","2","6","3","3","1") = "5"
    & skf21("5","3","2","2","6","3","4","1") = "5"
    & skf21("5","3","2","2","6","3","5","1") = "5"
    & skf21("5","3","2","2","6","3","6","1") = "5"
    & skf21("5","3","2","2","6","3","7","1") = "6"
    & skf21("5","3","2","2","6","4","1","1") = "5"
    & skf21("5","3","2","2","6","4","2","1") = "5"
    & skf21("5","3","2","2","6","4","3","1") = "5"
    & skf21("5","3","2","2","6","4","4","1") = "5"
    & skf21("5","3","2","2","6","4","5","1") = "5"
    & skf21("5","3","2","2","6","4","6","1") = "5"
    & skf21("5","3","2","2","6","4","7","1") = "6"
    & skf21("5","3","2","2","6","5","1","1") = "5"
    & skf21("5","3","2","2","6","5","2","1") = "5"
    & skf21("5","3","2","2","6","5","3","1") = "5"
    & skf21("5","3","2","2","6","5","4","1") = "5"
    & skf21("5","3","2","2","6","5","5","1") = "5"
    & skf21("5","3","2","2","6","5","6","1") = "5"
    & skf21("5","3","2","2","6","5","7","1") = "6"
    & skf21("5","3","2","2","6","6","1","1") = "5"
    & skf21("5","3","2","2","6","6","2","1") = "5"
    & skf21("5","3","2","2","6","6","3","1") = "5"
    & skf21("5","3","2","2","6","6","4","1") = "5"
    & skf21("5","3","2","2","6","6","5","1") = "5"
    & skf21("5","3","2","2","6","6","6","1") = "5"
    & skf21("5","3","2","2","6","6","7","1") = "6"
    & skf21("5","3","2","2","6","7","1","1") = "6"
    & skf21("5","3","2","2","6","7","2","1") = "6"
    & skf21("5","3","2","2","6","7","3","1") = "6"
    & skf21("5","3","2","2","6","7","4","1") = "6"
    & skf21("5","3","2","2","6","7","5","1") = "6"
    & skf21("5","3","2","2","6","7","6","1") = "6"
    & skf21("5","3","2","2","6","7","7","1") = "6"
    & skf21("5","3","2","2","7","1","1","1") = "6"
    & skf21("5","3","2","2","7","1","2","1") = "6"
    & skf21("5","3","2","2","7","1","3","1") = "6"
    & skf21("5","3","2","2","7","1","4","1") = "6"
    & skf21("5","3","2","2","7","1","5","1") = "6"
    & skf21("5","3","2","2","7","1","6","1") = "6"
    & skf21("5","3","2","2","7","1","7","1") = "6"
    & skf21("5","3","2","2","7","2","1","1") = "6"
    & skf21("5","3","2","2","7","2","2","1") = "6"
    & skf21("5","3","2","2","7","2","3","1") = "6"
    & skf21("5","3","2","2","7","2","4","1") = "6"
    & skf21("5","3","2","2","7","2","5","1") = "6"
    & skf21("5","3","2","2","7","2","6","1") = "6"
    & skf21("5","3","2","2","7","2","7","1") = "6"
    & skf21("5","3","2","2","7","3","1","1") = "6"
    & skf21("5","3","2","2","7","3","2","1") = "6"
    & skf21("5","3","2","2","7","3","3","1") = "6"
    & skf21("5","3","2","2","7","3","4","1") = "6"
    & skf21("5","3","2","2","7","3","5","1") = "6"
    & skf21("5","3","2","2","7","3","6","1") = "6"
    & skf21("5","3","2","2","7","3","7","1") = "6"
    & skf21("5","3","2","2","7","4","1","1") = "6"
    & skf21("5","3","2","2","7","4","2","1") = "6"
    & skf21("5","3","2","2","7","4","3","1") = "6"
    & skf21("5","3","2","2","7","4","4","1") = "6"
    & skf21("5","3","2","2","7","4","5","1") = "6"
    & skf21("5","3","2","2","7","4","6","1") = "6"
    & skf21("5","3","2","2","7","4","7","1") = "6"
    & skf21("5","3","2","2","7","5","1","1") = "6"
    & skf21("5","3","2","2","7","5","2","1") = "6"
    & skf21("5","3","2","2","7","5","3","1") = "6"
    & skf21("5","3","2","2","7","5","4","1") = "6"
    & skf21("5","3","2","2","7","5","5","1") = "6"
    & skf21("5","3","2","2","7","5","6","1") = "6"
    & skf21("5","3","2","2","7","5","7","1") = "6"
    & skf21("5","3","2","2","7","6","1","1") = "6"
    & skf21("5","3","2","2","7","6","2","1") = "6"
    & skf21("5","3","2","2","7","6","3","1") = "6"
    & skf21("5","3","2","2","7","6","4","1") = "6"
    & skf21("5","3","2","2","7","6","5","1") = "6"
    & skf21("5","3","2","2","7","6","6","1") = "6"
    & skf21("5","3","2","2","7","6","7","1") = "6"
    & skf21("5","3","2","2","7","7","1","1") = "6"
    & skf21("5","3","2","2","7","7","2","1") = "6"
    & skf21("5","3","2","2","7","7","3","1") = "6"
    & skf21("5","3","2","2","7","7","4","1") = "6"
    & skf21("5","3","2","2","7","7","5","1") = "6"
    & skf21("5","3","2","2","7","7","6","1") = "6"
    & skf21("5","3","2","2","7","7","7","1") = "6"
    & skf21("5","3","2","3","1","1","1","1") = "4"
    & skf21("5","3","2","3","1","1","2","1") = "4"
    & skf21("5","3","2","3","1","1","3","1") = "4"
    & skf21("5","3","2","3","1","1","4","1") = "4"
    & skf21("5","3","2","3","1","1","5","1") = "4"
    & skf21("5","3","2","3","1","1","6","1") = "5"
    & skf21("5","3","2","3","1","1","7","1") = "6"
    & skf21("5","3","2","3","1","2","1","1") = "4"
    & skf21("5","3","2","3","1","2","2","1") = "4"
    & skf21("5","3","2","3","1","2","3","1") = "4"
    & skf21("5","3","2","3","1","2","4","1") = "4"
    & skf21("5","3","2","3","1","2","5","1") = "4"
    & skf21("5","3","2","3","1","2","6","1") = "5"
    & skf21("5","3","2","3","1","2","7","1") = "6"
    & skf21("5","3","2","3","1","3","1","1") = "4"
    & skf21("5","3","2","3","1","3","2","1") = "4"
    & skf21("5","3","2","3","1","3","3","1") = "4"
    & skf21("5","3","2","3","1","3","4","1") = "4"
    & skf21("5","3","2","3","1","3","5","1") = "4"
    & skf21("5","3","2","3","1","3","6","1") = "5"
    & skf21("5","3","2","3","1","3","7","1") = "6"
    & skf21("5","3","2","3","1","4","1","1") = "4"
    & skf21("5","3","2","3","1","4","2","1") = "4"
    & skf21("5","3","2","3","1","4","3","1") = "4"
    & skf21("5","3","2","3","1","4","4","1") = "4"
    & skf21("5","3","2","3","1","4","5","1") = "4"
    & skf21("5","3","2","3","1","4","6","1") = "5"
    & skf21("5","3","2","3","1","4","7","1") = "6"
    & skf21("5","3","2","3","1","5","1","1") = "4"
    & skf21("5","3","2","3","1","5","2","1") = "4"
    & skf21("5","3","2","3","1","5","3","1") = "4"
    & skf21("5","3","2","3","1","5","4","1") = "4"
    & skf21("5","3","2","3","1","5","5","1") = "4"
    & skf21("5","3","2","3","1","5","6","1") = "5"
    & skf21("5","3","2","3","1","5","7","1") = "6"
    & skf21("5","3","2","3","1","6","1","1") = "5"
    & skf21("5","3","2","3","1","6","2","1") = "5"
    & skf21("5","3","2","3","1","6","3","1") = "5"
    & skf21("5","3","2","3","1","6","4","1") = "5"
    & skf21("5","3","2","3","1","6","5","1") = "5"
    & skf21("5","3","2","3","1","6","6","1") = "5"
    & skf21("5","3","2","3","1","6","7","1") = "6"
    & skf21("5","3","2","3","1","7","1","1") = "6"
    & skf21("5","3","2","3","1","7","2","1") = "6"
    & skf21("5","3","2","3","1","7","3","1") = "6"
    & skf21("5","3","2","3","1","7","4","1") = "6"
    & skf21("5","3","2","3","1","7","5","1") = "6"
    & skf21("5","3","2","3","1","7","6","1") = "6"
    & skf21("5","3","2","3","1","7","7","1") = "6"
    & skf21("5","3","2","3","2","1","1","1") = "4"
    & skf21("5","3","2","3","2","1","2","1") = "4"
    & skf21("5","3","2","3","2","1","3","1") = "4"
    & skf21("5","3","2","3","2","1","4","1") = "4"
    & skf21("5","3","2","3","2","1","5","1") = "4"
    & skf21("5","3","2","3","2","1","6","1") = "5"
    & skf21("5","3","2","3","2","1","7","1") = "6"
    & skf21("5","3","2","3","2","2","1","1") = "4"
    & skf21("5","3","2","3","2","2","2","1") = "4"
    & skf21("5","3","2","3","2","2","3","1") = "4"
    & skf21("5","3","2","3","2","2","4","1") = "4"
    & skf21("5","3","2","3","2","2","5","1") = "4"
    & skf21("5","3","2","3","2","2","6","1") = "5"
    & skf21("5","3","2","3","2","2","7","1") = "6"
    & skf21("5","3","2","3","2","3","1","1") = "4"
    & skf21("5","3","2","3","2","3","2","1") = "4"
    & skf21("5","3","2","3","2","3","3","1") = "4"
    & skf21("5","3","2","3","2","3","4","1") = "4"
    & skf21("5","3","2","3","2","3","5","1") = "4"
    & skf21("5","3","2","3","2","3","6","1") = "5"
    & skf21("5","3","2","3","2","3","7","1") = "6"
    & skf21("5","3","2","3","2","4","1","1") = "4"
    & skf21("5","3","2","3","2","4","2","1") = "4"
    & skf21("5","3","2","3","2","4","3","1") = "4"
    & skf21("5","3","2","3","2","4","4","1") = "4"
    & skf21("5","3","2","3","2","4","5","1") = "4"
    & skf21("5","3","2","3","2","4","6","1") = "5"
    & skf21("5","3","2","3","2","4","7","1") = "6"
    & skf21("5","3","2","3","2","5","1","1") = "4"
    & skf21("5","3","2","3","2","5","2","1") = "4"
    & skf21("5","3","2","3","2","5","3","1") = "4"
    & skf21("5","3","2","3","2","5","4","1") = "4"
    & skf21("5","3","2","3","2","5","5","1") = "4"
    & skf21("5","3","2","3","2","5","6","1") = "5"
    & skf21("5","3","2","3","2","5","7","1") = "6"
    & skf21("5","3","2","3","2","6","1","1") = "5"
    & skf21("5","3","2","3","2","6","2","1") = "5"
    & skf21("5","3","2","3","2","6","3","1") = "5"
    & skf21("5","3","2","3","2","6","4","1") = "5"
    & skf21("5","3","2","3","2","6","5","1") = "5"
    & skf21("5","3","2","3","2","6","6","1") = "5"
    & skf21("5","3","2","3","2","6","7","1") = "6"
    & skf21("5","3","2","3","2","7","1","1") = "6"
    & skf21("5","3","2","3","2","7","2","1") = "6"
    & skf21("5","3","2","3","2","7","3","1") = "6"
    & skf21("5","3","2","3","2","7","4","1") = "6"
    & skf21("5","3","2","3","2","7","5","1") = "6"
    & skf21("5","3","2","3","2","7","6","1") = "6"
    & skf21("5","3","2","3","2","7","7","1") = "6"
    & skf21("5","3","2","3","3","1","1","1") = "4"
    & skf21("5","3","2","3","3","1","2","1") = "4"
    & skf21("5","3","2","3","3","1","3","1") = "4"
    & skf21("5","3","2","3","3","1","4","1") = "4"
    & skf21("5","3","2","3","3","1","5","1") = "4"
    & skf21("5","3","2","3","3","1","6","1") = "5"
    & skf21("5","3","2","3","3","1","7","1") = "6"
    & skf21("5","3","2","3","3","2","1","1") = "4"
    & skf21("5","3","2","3","3","2","2","1") = "4"
    & skf21("5","3","2","3","3","2","3","1") = "4"
    & skf21("5","3","2","3","3","2","4","1") = "4"
    & skf21("5","3","2","3","3","2","5","1") = "4"
    & skf21("5","3","2","3","3","2","6","1") = "5"
    & skf21("5","3","2","3","3","2","7","1") = "6"
    & skf21("5","3","2","3","3","3","1","1") = "4"
    & skf21("5","3","2","3","3","3","2","1") = "4"
    & skf21("5","3","2","3","3","3","3","1") = "4"
    & skf21("5","3","2","3","3","3","4","1") = "4"
    & skf21("5","3","2","3","3","3","5","1") = "4"
    & skf21("5","3","2","3","3","3","6","1") = "5"
    & skf21("5","3","2","3","3","3","7","1") = "6"
    & skf21("5","3","2","3","3","4","1","1") = "4"
    & skf21("5","3","2","3","3","4","2","1") = "4"
    & skf21("5","3","2","3","3","4","3","1") = "4"
    & skf21("5","3","2","3","3","4","4","1") = "4"
    & skf21("5","3","2","3","3","4","5","1") = "4"
    & skf21("5","3","2","3","3","4","6","1") = "5"
    & skf21("5","3","2","3","3","4","7","1") = "6"
    & skf21("5","3","2","3","3","5","1","1") = "4"
    & skf21("5","3","2","3","3","5","2","1") = "4"
    & skf21("5","3","2","3","3","5","3","1") = "4"
    & skf21("5","3","2","3","3","5","4","1") = "4"
    & skf21("5","3","2","3","3","5","5","1") = "4"
    & skf21("5","3","2","3","3","5","6","1") = "5"
    & skf21("5","3","2","3","3","5","7","1") = "6"
    & skf21("5","3","2","3","3","6","1","1") = "5"
    & skf21("5","3","2","3","3","6","2","1") = "5"
    & skf21("5","3","2","3","3","6","3","1") = "5"
    & skf21("5","3","2","3","3","6","4","1") = "5"
    & skf21("5","3","2","3","3","6","5","1") = "5"
    & skf21("5","3","2","3","3","6","6","1") = "5"
    & skf21("5","3","2","3","3","6","7","1") = "6"
    & skf21("5","3","2","3","3","7","1","1") = "6"
    & skf21("5","3","2","3","3","7","2","1") = "6"
    & skf21("5","3","2","3","3","7","3","1") = "6"
    & skf21("5","3","2","3","3","7","4","1") = "6"
    & skf21("5","3","2","3","3","7","5","1") = "6"
    & skf21("5","3","2","3","3","7","6","1") = "6"
    & skf21("5","3","2","3","3","7","7","1") = "6"
    & skf21("5","3","2","3","4","1","1","1") = "4"
    & skf21("5","3","2","3","4","1","2","1") = "4"
    & skf21("5","3","2","3","4","1","3","1") = "4"
    & skf21("5","3","2","3","4","1","4","1") = "4"
    & skf21("5","3","2","3","4","1","5","1") = "4"
    & skf21("5","3","2","3","4","1","6","1") = "5"
    & skf21("5","3","2","3","4","1","7","1") = "6"
    & skf21("5","3","2","3","4","2","1","1") = "4"
    & skf21("5","3","2","3","4","2","2","1") = "4"
    & skf21("5","3","2","3","4","2","3","1") = "4"
    & skf21("5","3","2","3","4","2","4","1") = "4"
    & skf21("5","3","2","3","4","2","5","1") = "4"
    & skf21("5","3","2","3","4","2","6","1") = "5"
    & skf21("5","3","2","3","4","2","7","1") = "6"
    & skf21("5","3","2","3","4","3","1","1") = "4"
    & skf21("5","3","2","3","4","3","2","1") = "4"
    & skf21("5","3","2","3","4","3","3","1") = "4"
    & skf21("5","3","2","3","4","3","4","1") = "4"
    & skf21("5","3","2","3","4","3","5","1") = "4"
    & skf21("5","3","2","3","4","3","6","1") = "5"
    & skf21("5","3","2","3","4","3","7","1") = "6"
    & skf21("5","3","2","3","4","4","1","1") = "4"
    & skf21("5","3","2","3","4","4","2","1") = "4"
    & skf21("5","3","2","3","4","4","3","1") = "4"
    & skf21("5","3","2","3","4","4","4","1") = "4"
    & skf21("5","3","2","3","4","4","5","1") = "4"
    & skf21("5","3","2","3","4","4","6","1") = "5"
    & skf21("5","3","2","3","4","4","7","1") = "6"
    & skf21("5","3","2","3","4","5","1","1") = "4"
    & skf21("5","3","2","3","4","5","2","1") = "4"
    & skf21("5","3","2","3","4","5","3","1") = "4"
    & skf21("5","3","2","3","4","5","4","1") = "4"
    & skf21("5","3","2","3","4","5","5","1") = "4"
    & skf21("5","3","2","3","4","5","6","1") = "5"
    & skf21("5","3","2","3","4","5","7","1") = "6"
    & skf21("5","3","2","3","4","6","1","1") = "5"
    & skf21("5","3","2","3","4","6","2","1") = "5"
    & skf21("5","3","2","3","4","6","3","1") = "5"
    & skf21("5","3","2","3","4","6","4","1") = "5"
    & skf21("5","3","2","3","4","6","5","1") = "5"
    & skf21("5","3","2","3","4","6","6","1") = "5"
    & skf21("5","3","2","3","4","6","7","1") = "6"
    & skf21("5","3","2","3","4","7","1","1") = "6"
    & skf21("5","3","2","3","4","7","2","1") = "6"
    & skf21("5","3","2","3","4","7","3","1") = "6"
    & skf21("5","3","2","3","4","7","4","1") = "6"
    & skf21("5","3","2","3","4","7","5","1") = "6"
    & skf21("5","3","2","3","4","7","6","1") = "6"
    & skf21("5","3","2","3","4","7","7","1") = "6"
    & skf21("5","3","2","3","5","1","1","1") = "4"
    & skf21("5","3","2","3","5","1","2","1") = "4"
    & skf21("5","3","2","3","5","1","3","1") = "4"
    & skf21("5","3","2","3","5","1","4","1") = "4"
    & skf21("5","3","2","3","5","1","5","1") = "4"
    & skf21("5","3","2","3","5","1","6","1") = "5"
    & skf21("5","3","2","3","5","1","7","1") = "6"
    & skf21("5","3","2","3","5","2","1","1") = "4"
    & skf21("5","3","2","3","5","2","2","1") = "4"
    & skf21("5","3","2","3","5","2","3","1") = "4"
    & skf21("5","3","2","3","5","2","4","1") = "4"
    & skf21("5","3","2","3","5","2","5","1") = "4"
    & skf21("5","3","2","3","5","2","6","1") = "5"
    & skf21("5","3","2","3","5","2","7","1") = "6"
    & skf21("5","3","2","3","5","3","1","1") = "4"
    & skf21("5","3","2","3","5","3","2","1") = "4"
    & skf21("5","3","2","3","5","3","3","1") = "4"
    & skf21("5","3","2","3","5","3","4","1") = "4"
    & skf21("5","3","2","3","5","3","5","1") = "4"
    & skf21("5","3","2","3","5","3","6","1") = "5"
    & skf21("5","3","2","3","5","3","7","1") = "6"
    & skf21("5","3","2","3","5","4","1","1") = "4"
    & skf21("5","3","2","3","5","4","2","1") = "4"
    & skf21("5","3","2","3","5","4","3","1") = "4"
    & skf21("5","3","2","3","5","4","4","1") = "4"
    & skf21("5","3","2","3","5","4","5","1") = "4"
    & skf21("5","3","2","3","5","4","6","1") = "5"
    & skf21("5","3","2","3","5","4","7","1") = "6"
    & skf21("5","3","2","3","5","5","1","1") = "4"
    & skf21("5","3","2","3","5","5","2","1") = "4"
    & skf21("5","3","2","3","5","5","3","1") = "4"
    & skf21("5","3","2","3","5","5","4","1") = "4"
    & skf21("5","3","2","3","5","5","5","1") = "4"
    & skf21("5","3","2","3","5","5","6","1") = "5"
    & skf21("5","3","2","3","5","5","7","1") = "6"
    & skf21("5","3","2","3","5","6","1","1") = "5"
    & skf21("5","3","2","3","5","6","2","1") = "5"
    & skf21("5","3","2","3","5","6","3","1") = "5"
    & skf21("5","3","2","3","5","6","4","1") = "5"
    & skf21("5","3","2","3","5","6","5","1") = "5"
    & skf21("5","3","2","3","5","6","6","1") = "5"
    & skf21("5","3","2","3","5","6","7","1") = "6"
    & skf21("5","3","2","3","5","7","1","1") = "6"
    & skf21("5","3","2","3","5","7","2","1") = "6"
    & skf21("5","3","2","3","5","7","3","1") = "6"
    & skf21("5","3","2","3","5","7","4","1") = "6"
    & skf21("5","3","2","3","5","7","5","1") = "6"
    & skf21("5","3","2","3","5","7","6","1") = "6"
    & skf21("5","3","2","3","5","7","7","1") = "6"
    & skf21("5","3","2","3","6","1","1","1") = "5"
    & skf21("5","3","2","3","6","1","2","1") = "5"
    & skf21("5","3","2","3","6","1","3","1") = "5"
    & skf21("5","3","2","3","6","1","4","1") = "5"
    & skf21("5","3","2","3","6","1","5","1") = "5"
    & skf21("5","3","2","3","6","1","6","1") = "5"
    & skf21("5","3","2","3","6","1","7","1") = "6"
    & skf21("5","3","2","3","6","2","1","1") = "5"
    & skf21("5","3","2","3","6","2","2","1") = "5"
    & skf21("5","3","2","3","6","2","3","1") = "5"
    & skf21("5","3","2","3","6","2","4","1") = "5"
    & skf21("5","3","2","3","6","2","5","1") = "5"
    & skf21("5","3","2","3","6","2","6","1") = "5"
    & skf21("5","3","2","3","6","2","7","1") = "6"
    & skf21("5","3","2","3","6","3","1","1") = "5"
    & skf21("5","3","2","3","6","3","2","1") = "5"
    & skf21("5","3","2","3","6","3","3","1") = "5"
    & skf21("5","3","2","3","6","3","4","1") = "5"
    & skf21("5","3","2","3","6","3","5","1") = "5"
    & skf21("5","3","2","3","6","3","6","1") = "5"
    & skf21("5","3","2","3","6","3","7","1") = "6"
    & skf21("5","3","2","3","6","4","1","1") = "5"
    & skf21("5","3","2","3","6","4","2","1") = "5"
    & skf21("5","3","2","3","6","4","3","1") = "5"
    & skf21("5","3","2","3","6","4","4","1") = "5"
    & skf21("5","3","2","3","6","4","5","1") = "5"
    & skf21("5","3","2","3","6","4","6","1") = "5"
    & skf21("5","3","2","3","6","4","7","1") = "6"
    & skf21("5","3","2","3","6","5","1","1") = "5"
    & skf21("5","3","2","3","6","5","2","1") = "5"
    & skf21("5","3","2","3","6","5","3","1") = "5"
    & skf21("5","3","2","3","6","5","4","1") = "5"
    & skf21("5","3","2","3","6","5","5","1") = "5"
    & skf21("5","3","2","3","6","5","6","1") = "5"
    & skf21("5","3","2","3","6","5","7","1") = "6"
    & skf21("5","3","2","3","6","6","1","1") = "5"
    & skf21("5","3","2","3","6","6","2","1") = "5"
    & skf21("5","3","2","3","6","6","3","1") = "5"
    & skf21("5","3","2","3","6","6","4","1") = "5"
    & skf21("5","3","2","3","6","6","5","1") = "5"
    & skf21("5","3","2","3","6","6","6","1") = "5"
    & skf21("5","3","2","3","6","6","7","1") = "6"
    & skf21("5","3","2","3","6","7","1","1") = "6"
    & skf21("5","3","2","3","6","7","2","1") = "6"
    & skf21("5","3","2","3","6","7","3","1") = "6"
    & skf21("5","3","2","3","6","7","4","1") = "6"
    & skf21("5","3","2","3","6","7","5","1") = "6"
    & skf21("5","3","2","3","6","7","6","1") = "6"
    & skf21("5","3","2","3","6","7","7","1") = "6"
    & skf21("5","3","2","3","7","1","1","1") = "6"
    & skf21("5","3","2","3","7","1","2","1") = "6"
    & skf21("5","3","2","3","7","1","3","1") = "6"
    & skf21("5","3","2","3","7","1","4","1") = "6"
    & skf21("5","3","2","3","7","1","5","1") = "6"
    & skf21("5","3","2","3","7","1","6","1") = "6"
    & skf21("5","3","2","3","7","1","7","1") = "6"
    & skf21("5","3","2","3","7","2","1","1") = "6"
    & skf21("5","3","2","3","7","2","2","1") = "6"
    & skf21("5","3","2","3","7","2","3","1") = "6"
    & skf21("5","3","2","3","7","2","4","1") = "6"
    & skf21("5","3","2","3","7","2","5","1") = "6"
    & skf21("5","3","2","3","7","2","6","1") = "6"
    & skf21("5","3","2","3","7","2","7","1") = "6"
    & skf21("5","3","2","3","7","3","1","1") = "6"
    & skf21("5","3","2","3","7","3","2","1") = "6"
    & skf21("5","3","2","3","7","3","3","1") = "6"
    & skf21("5","3","2","3","7","3","4","1") = "6"
    & skf21("5","3","2","3","7","3","5","1") = "6"
    & skf21("5","3","2","3","7","3","6","1") = "6"
    & skf21("5","3","2","3","7","3","7","1") = "6"
    & skf21("5","3","2","3","7","4","1","1") = "6"
    & skf21("5","3","2","3","7","4","2","1") = "6"
    & skf21("5","3","2","3","7","4","3","1") = "6"
    & skf21("5","3","2","3","7","4","4","1") = "6"
    & skf21("5","3","2","3","7","4","5","1") = "6"
    & skf21("5","3","2","3","7","4","6","1") = "6"
    & skf21("5","3","2","3","7","4","7","1") = "6"
    & skf21("5","3","2","3","7","5","1","1") = "6"
    & skf21("5","3","2","3","7","5","2","1") = "6"
    & skf21("5","3","2","3","7","5","3","1") = "6"
    & skf21("5","3","2","3","7","5","4","1") = "6"
    & skf21("5","3","2","3","7","5","5","1") = "6"
    & skf21("5","3","2","3","7","5","6","1") = "6"
    & skf21("5","3","2","3","7","5","7","1") = "6"
    & skf21("5","3","2","3","7","6","1","1") = "6"
    & skf21("5","3","2","3","7","6","2","1") = "6"
    & skf21("5","3","2","3","7","6","3","1") = "6"
    & skf21("5","3","2","3","7","6","4","1") = "6"
    & skf21("5","3","2","3","7","6","5","1") = "6"
    & skf21("5","3","2","3","7","6","6","1") = "6"
    & skf21("5","3","2","3","7","6","7","1") = "6"
    & skf21("5","3","2","3","7","7","1","1") = "6"
    & skf21("5","3","2","3","7","7","2","1") = "6"
    & skf21("5","3","2","3","7","7","3","1") = "6"
    & skf21("5","3","2","3","7","7","4","1") = "6"
    & skf21("5","3","2","3","7","7","5","1") = "6"
    & skf21("5","3","2","3","7","7","6","1") = "6"
    & skf21("5","3","2","3","7","7","7","1") = "6"
    & skf21("5","3","2","4","1","1","1","1") = "4"
    & skf21("5","3","2","4","1","1","2","1") = "4"
    & skf21("5","3","2","4","1","1","3","1") = "4"
    & skf21("5","3","2","4","1","1","4","1") = "4"
    & skf21("5","3","2","4","1","1","5","1") = "4"
    & skf21("5","3","2","4","1","1","6","1") = "5"
    & skf21("5","3","2","4","1","1","7","1") = "6"
    & skf21("5","3","2","4","1","2","1","1") = "4"
    & skf21("5","3","2","4","1","2","2","1") = "4"
    & skf21("5","3","2","4","1","2","3","1") = "4"
    & skf21("5","3","2","4","1","2","4","1") = "4"
    & skf21("5","3","2","4","1","2","5","1") = "4"
    & skf21("5","3","2","4","1","2","6","1") = "5"
    & skf21("5","3","2","4","1","2","7","1") = "6"
    & skf21("5","3","2","4","1","3","1","1") = "4"
    & skf21("5","3","2","4","1","3","2","1") = "4"
    & skf21("5","3","2","4","1","3","3","1") = "4"
    & skf21("5","3","2","4","1","3","4","1") = "4"
    & skf21("5","3","2","4","1","3","5","1") = "4"
    & skf21("5","3","2","4","1","3","6","1") = "5"
    & skf21("5","3","2","4","1","3","7","1") = "6"
    & skf21("5","3","2","4","1","4","1","1") = "4"
    & skf21("5","3","2","4","1","4","2","1") = "4"
    & skf21("5","3","2","4","1","4","3","1") = "4"
    & skf21("5","3","2","4","1","4","4","1") = "4"
    & skf21("5","3","2","4","1","4","5","1") = "4"
    & skf21("5","3","2","4","1","4","6","1") = "5"
    & skf21("5","3","2","4","1","4","7","1") = "6"
    & skf21("5","3","2","4","1","5","1","1") = "4"
    & skf21("5","3","2","4","1","5","2","1") = "4"
    & skf21("5","3","2","4","1","5","3","1") = "4"
    & skf21("5","3","2","4","1","5","4","1") = "4"
    & skf21("5","3","2","4","1","5","5","1") = "4"
    & skf21("5","3","2","4","1","5","6","1") = "5"
    & skf21("5","3","2","4","1","5","7","1") = "6"
    & skf21("5","3","2","4","1","6","1","1") = "5"
    & skf21("5","3","2","4","1","6","2","1") = "5"
    & skf21("5","3","2","4","1","6","3","1") = "5"
    & skf21("5","3","2","4","1","6","4","1") = "5"
    & skf21("5","3","2","4","1","6","5","1") = "5"
    & skf21("5","3","2","4","1","6","6","1") = "5"
    & skf21("5","3","2","4","1","6","7","1") = "6"
    & skf21("5","3","2","4","1","7","1","1") = "6"
    & skf21("5","3","2","4","1","7","2","1") = "6"
    & skf21("5","3","2","4","1","7","3","1") = "6"
    & skf21("5","3","2","4","1","7","4","1") = "6"
    & skf21("5","3","2","4","1","7","5","1") = "6"
    & skf21("5","3","2","4","1","7","6","1") = "6"
    & skf21("5","3","2","4","1","7","7","1") = "6"
    & skf21("5","3","2","4","2","1","1","1") = "4"
    & skf21("5","3","2","4","2","1","2","1") = "4"
    & skf21("5","3","2","4","2","1","3","1") = "4"
    & skf21("5","3","2","4","2","1","4","1") = "4"
    & skf21("5","3","2","4","2","1","5","1") = "4"
    & skf21("5","3","2","4","2","1","6","1") = "5"
    & skf21("5","3","2","4","2","1","7","1") = "6"
    & skf21("5","3","2","4","2","2","1","1") = "4"
    & skf21("5","3","2","4","2","2","2","1") = "4"
    & skf21("5","3","2","4","2","2","3","1") = "4"
    & skf21("5","3","2","4","2","2","4","1") = "4"
    & skf21("5","3","2","4","2","2","5","1") = "4"
    & skf21("5","3","2","4","2","2","6","1") = "5"
    & skf21("5","3","2","4","2","2","7","1") = "6"
    & skf21("5","3","2","4","2","3","1","1") = "4"
    & skf21("5","3","2","4","2","3","2","1") = "4"
    & skf21("5","3","2","4","2","3","3","1") = "4"
    & skf21("5","3","2","4","2","3","4","1") = "4"
    & skf21("5","3","2","4","2","3","5","1") = "4"
    & skf21("5","3","2","4","2","3","6","1") = "5"
    & skf21("5","3","2","4","2","3","7","1") = "6"
    & skf21("5","3","2","4","2","4","1","1") = "4"
    & skf21("5","3","2","4","2","4","2","1") = "4"
    & skf21("5","3","2","4","2","4","3","1") = "4"
    & skf21("5","3","2","4","2","4","4","1") = "4"
    & skf21("5","3","2","4","2","4","5","1") = "4"
    & skf21("5","3","2","4","2","4","6","1") = "5"
    & skf21("5","3","2","4","2","4","7","1") = "6"
    & skf21("5","3","2","4","2","5","1","1") = "4"
    & skf21("5","3","2","4","2","5","2","1") = "4"
    & skf21("5","3","2","4","2","5","3","1") = "4"
    & skf21("5","3","2","4","2","5","4","1") = "4"
    & skf21("5","3","2","4","2","5","5","1") = "4"
    & skf21("5","3","2","4","2","5","6","1") = "5"
    & skf21("5","3","2","4","2","5","7","1") = "6"
    & skf21("5","3","2","4","2","6","1","1") = "5"
    & skf21("5","3","2","4","2","6","2","1") = "5"
    & skf21("5","3","2","4","2","6","3","1") = "5"
    & skf21("5","3","2","4","2","6","4","1") = "5"
    & skf21("5","3","2","4","2","6","5","1") = "5"
    & skf21("5","3","2","4","2","6","6","1") = "5"
    & skf21("5","3","2","4","2","6","7","1") = "6"
    & skf21("5","3","2","4","2","7","1","1") = "6"
    & skf21("5","3","2","4","2","7","2","1") = "6"
    & skf21("5","3","2","4","2","7","3","1") = "6"
    & skf21("5","3","2","4","2","7","4","1") = "6"
    & skf21("5","3","2","4","2","7","5","1") = "6"
    & skf21("5","3","2","4","2","7","6","1") = "6"
    & skf21("5","3","2","4","2","7","7","1") = "6"
    & skf21("5","3","2","4","3","1","1","1") = "4"
    & skf21("5","3","2","4","3","1","2","1") = "4"
    & skf21("5","3","2","4","3","1","3","1") = "4"
    & skf21("5","3","2","4","3","1","4","1") = "4"
    & skf21("5","3","2","4","3","1","5","1") = "4"
    & skf21("5","3","2","4","3","1","6","1") = "5"
    & skf21("5","3","2","4","3","1","7","1") = "6"
    & skf21("5","3","2","4","3","2","1","1") = "4"
    & skf21("5","3","2","4","3","2","2","1") = "4"
    & skf21("5","3","2","4","3","2","3","1") = "4"
    & skf21("5","3","2","4","3","2","4","1") = "4"
    & skf21("5","3","2","4","3","2","5","1") = "4"
    & skf21("5","3","2","4","3","2","6","1") = "5"
    & skf21("5","3","2","4","3","2","7","1") = "6"
    & skf21("5","3","2","4","3","3","1","1") = "4"
    & skf21("5","3","2","4","3","3","2","1") = "4"
    & skf21("5","3","2","4","3","3","3","1") = "4"
    & skf21("5","3","2","4","3","3","4","1") = "4"
    & skf21("5","3","2","4","3","3","5","1") = "4"
    & skf21("5","3","2","4","3","3","6","1") = "5"
    & skf21("5","3","2","4","3","3","7","1") = "6"
    & skf21("5","3","2","4","3","4","1","1") = "4"
    & skf21("5","3","2","4","3","4","2","1") = "4"
    & skf21("5","3","2","4","3","4","3","1") = "4"
    & skf21("5","3","2","4","3","4","4","1") = "4"
    & skf21("5","3","2","4","3","4","5","1") = "4"
    & skf21("5","3","2","4","3","4","6","1") = "5"
    & skf21("5","3","2","4","3","4","7","1") = "6"
    & skf21("5","3","2","4","3","5","1","1") = "4"
    & skf21("5","3","2","4","3","5","2","1") = "4"
    & skf21("5","3","2","4","3","5","3","1") = "4"
    & skf21("5","3","2","4","3","5","4","1") = "4"
    & skf21("5","3","2","4","3","5","5","1") = "4"
    & skf21("5","3","2","4","3","5","6","1") = "5"
    & skf21("5","3","2","4","3","5","7","1") = "6"
    & skf21("5","3","2","4","3","6","1","1") = "5"
    & skf21("5","3","2","4","3","6","2","1") = "5"
    & skf21("5","3","2","4","3","6","3","1") = "5"
    & skf21("5","3","2","4","3","6","4","1") = "5"
    & skf21("5","3","2","4","3","6","5","1") = "5"
    & skf21("5","3","2","4","3","6","6","1") = "5"
    & skf21("5","3","2","4","3","6","7","1") = "6"
    & skf21("5","3","2","4","3","7","1","1") = "6"
    & skf21("5","3","2","4","3","7","2","1") = "6"
    & skf21("5","3","2","4","3","7","3","1") = "6"
    & skf21("5","3","2","4","3","7","4","1") = "6"
    & skf21("5","3","2","4","3","7","5","1") = "6"
    & skf21("5","3","2","4","3","7","6","1") = "6"
    & skf21("5","3","2","4","3","7","7","1") = "6"
    & skf21("5","3","2","4","4","1","1","1") = "4"
    & skf21("5","3","2","4","4","1","2","1") = "4"
    & skf21("5","3","2","4","4","1","3","1") = "4"
    & skf21("5","3","2","4","4","1","4","1") = "4"
    & skf21("5","3","2","4","4","1","5","1") = "4"
    & skf21("5","3","2","4","4","1","6","1") = "5"
    & skf21("5","3","2","4","4","1","7","1") = "6"
    & skf21("5","3","2","4","4","2","1","1") = "4"
    & skf21("5","3","2","4","4","2","2","1") = "4"
    & skf21("5","3","2","4","4","2","3","1") = "4"
    & skf21("5","3","2","4","4","2","4","1") = "4"
    & skf21("5","3","2","4","4","2","5","1") = "4"
    & skf21("5","3","2","4","4","2","6","1") = "5"
    & skf21("5","3","2","4","4","2","7","1") = "6"
    & skf21("5","3","2","4","4","3","1","1") = "4"
    & skf21("5","3","2","4","4","3","2","1") = "4"
    & skf21("5","3","2","4","4","3","3","1") = "4"
    & skf21("5","3","2","4","4","3","4","1") = "4"
    & skf21("5","3","2","4","4","3","5","1") = "4"
    & skf21("5","3","2","4","4","3","6","1") = "5"
    & skf21("5","3","2","4","4","3","7","1") = "6"
    & skf21("5","3","2","4","4","4","1","1") = "4"
    & skf21("5","3","2","4","4","4","2","1") = "4"
    & skf21("5","3","2","4","4","4","3","1") = "4"
    & skf21("5","3","2","4","4","4","4","1") = "4"
    & skf21("5","3","2","4","4","4","5","1") = "4"
    & skf21("5","3","2","4","4","4","6","1") = "5"
    & skf21("5","3","2","4","4","4","7","1") = "6"
    & skf21("5","3","2","4","4","5","1","1") = "4"
    & skf21("5","3","2","4","4","5","2","1") = "4"
    & skf21("5","3","2","4","4","5","3","1") = "4"
    & skf21("5","3","2","4","4","5","4","1") = "4"
    & skf21("5","3","2","4","4","5","5","1") = "4"
    & skf21("5","3","2","4","4","5","6","1") = "5"
    & skf21("5","3","2","4","4","5","7","1") = "6"
    & skf21("5","3","2","4","4","6","1","1") = "5"
    & skf21("5","3","2","4","4","6","2","1") = "5"
    & skf21("5","3","2","4","4","6","3","1") = "5"
    & skf21("5","3","2","4","4","6","4","1") = "5"
    & skf21("5","3","2","4","4","6","5","1") = "5"
    & skf21("5","3","2","4","4","6","6","1") = "5"
    & skf21("5","3","2","4","4","6","7","1") = "6"
    & skf21("5","3","2","4","4","7","1","1") = "6"
    & skf21("5","3","2","4","4","7","2","1") = "6"
    & skf21("5","3","2","4","4","7","3","1") = "6"
    & skf21("5","3","2","4","4","7","4","1") = "6"
    & skf21("5","3","2","4","4","7","5","1") = "6"
    & skf21("5","3","2","4","4","7","6","1") = "6"
    & skf21("5","3","2","4","4","7","7","1") = "6"
    & skf21("5","3","2","4","5","1","1","1") = "4"
    & skf21("5","3","2","4","5","1","2","1") = "4"
    & skf21("5","3","2","4","5","1","3","1") = "4"
    & skf21("5","3","2","4","5","1","4","1") = "4"
    & skf21("5","3","2","4","5","1","5","1") = "4"
    & skf21("5","3","2","4","5","1","6","1") = "5"
    & skf21("5","3","2","4","5","1","7","1") = "6"
    & skf21("5","3","2","4","5","2","1","1") = "4"
    & skf21("5","3","2","4","5","2","2","1") = "4"
    & skf21("5","3","2","4","5","2","3","1") = "4"
    & skf21("5","3","2","4","5","2","4","1") = "4"
    & skf21("5","3","2","4","5","2","5","1") = "4"
    & skf21("5","3","2","4","5","2","6","1") = "5"
    & skf21("5","3","2","4","5","2","7","1") = "6"
    & skf21("5","3","2","4","5","3","1","1") = "4"
    & skf21("5","3","2","4","5","3","2","1") = "4"
    & skf21("5","3","2","4","5","3","3","1") = "4"
    & skf21("5","3","2","4","5","3","4","1") = "4"
    & skf21("5","3","2","4","5","3","5","1") = "4"
    & skf21("5","3","2","4","5","3","6","1") = "5"
    & skf21("5","3","2","4","5","3","7","1") = "6"
    & skf21("5","3","2","4","5","4","1","1") = "4"
    & skf21("5","3","2","4","5","4","2","1") = "4"
    & skf21("5","3","2","4","5","4","3","1") = "4"
    & skf21("5","3","2","4","5","4","4","1") = "4"
    & skf21("5","3","2","4","5","4","5","1") = "4"
    & skf21("5","3","2","4","5","4","6","1") = "5"
    & skf21("5","3","2","4","5","4","7","1") = "6"
    & skf21("5","3","2","4","5","5","1","1") = "4"
    & skf21("5","3","2","4","5","5","2","1") = "4"
    & skf21("5","3","2","4","5","5","3","1") = "4"
    & skf21("5","3","2","4","5","5","4","1") = "4"
    & skf21("5","3","2","4","5","5","5","1") = "4"
    & skf21("5","3","2","4","5","5","6","1") = "5"
    & skf21("5","3","2","4","5","5","7","1") = "6"
    & skf21("5","3","2","4","5","6","1","1") = "5"
    & skf21("5","3","2","4","5","6","2","1") = "5"
    & skf21("5","3","2","4","5","6","3","1") = "5"
    & skf21("5","3","2","4","5","6","4","1") = "5"
    & skf21("5","3","2","4","5","6","5","1") = "5"
    & skf21("5","3","2","4","5","6","6","1") = "5"
    & skf21("5","3","2","4","5","6","7","1") = "6"
    & skf21("5","3","2","4","5","7","1","1") = "6"
    & skf21("5","3","2","4","5","7","2","1") = "6"
    & skf21("5","3","2","4","5","7","3","1") = "6"
    & skf21("5","3","2","4","5","7","4","1") = "6"
    & skf21("5","3","2","4","5","7","5","1") = "6"
    & skf21("5","3","2","4","5","7","6","1") = "6"
    & skf21("5","3","2","4","5","7","7","1") = "6"
    & skf21("5","3","2","4","6","1","1","1") = "5"
    & skf21("5","3","2","4","6","1","2","1") = "5"
    & skf21("5","3","2","4","6","1","3","1") = "5"
    & skf21("5","3","2","4","6","1","4","1") = "5"
    & skf21("5","3","2","4","6","1","5","1") = "5"
    & skf21("5","3","2","4","6","1","6","1") = "5"
    & skf21("5","3","2","4","6","1","7","1") = "6"
    & skf21("5","3","2","4","6","2","1","1") = "5"
    & skf21("5","3","2","4","6","2","2","1") = "5"
    & skf21("5","3","2","4","6","2","3","1") = "5"
    & skf21("5","3","2","4","6","2","4","1") = "5"
    & skf21("5","3","2","4","6","2","5","1") = "5"
    & skf21("5","3","2","4","6","2","6","1") = "5"
    & skf21("5","3","2","4","6","2","7","1") = "6"
    & skf21("5","3","2","4","6","3","1","1") = "5"
    & skf21("5","3","2","4","6","3","2","1") = "5"
    & skf21("5","3","2","4","6","3","3","1") = "5"
    & skf21("5","3","2","4","6","3","4","1") = "5"
    & skf21("5","3","2","4","6","3","5","1") = "5"
    & skf21("5","3","2","4","6","3","6","1") = "5"
    & skf21("5","3","2","4","6","3","7","1") = "6"
    & skf21("5","3","2","4","6","4","1","1") = "5"
    & skf21("5","3","2","4","6","4","2","1") = "5"
    & skf21("5","3","2","4","6","4","3","1") = "5"
    & skf21("5","3","2","4","6","4","4","1") = "5"
    & skf21("5","3","2","4","6","4","5","1") = "5"
    & skf21("5","3","2","4","6","4","6","1") = "5"
    & skf21("5","3","2","4","6","4","7","1") = "6"
    & skf21("5","3","2","4","6","5","1","1") = "5"
    & skf21("5","3","2","4","6","5","2","1") = "5"
    & skf21("5","3","2","4","6","5","3","1") = "5"
    & skf21("5","3","2","4","6","5","4","1") = "5"
    & skf21("5","3","2","4","6","5","5","1") = "5"
    & skf21("5","3","2","4","6","5","6","1") = "5"
    & skf21("5","3","2","4","6","5","7","1") = "6"
    & skf21("5","3","2","4","6","6","1","1") = "5"
    & skf21("5","3","2","4","6","6","2","1") = "5"
    & skf21("5","3","2","4","6","6","3","1") = "5"
    & skf21("5","3","2","4","6","6","4","1") = "5"
    & skf21("5","3","2","4","6","6","5","1") = "5"
    & skf21("5","3","2","4","6","6","6","1") = "5"
    & skf21("5","3","2","4","6","6","7","1") = "6"
    & skf21("5","3","2","4","6","7","1","1") = "6"
    & skf21("5","3","2","4","6","7","2","1") = "6"
    & skf21("5","3","2","4","6","7","3","1") = "6"
    & skf21("5","3","2","4","6","7","4","1") = "6"
    & skf21("5","3","2","4","6","7","5","1") = "6"
    & skf21("5","3","2","4","6","7","6","1") = "6"
    & skf21("5","3","2","4","6","7","7","1") = "6"
    & skf21("5","3","2","4","7","1","1","1") = "6"
    & skf21("5","3","2","4","7","1","2","1") = "6"
    & skf21("5","3","2","4","7","1","3","1") = "6"
    & skf21("5","3","2","4","7","1","4","1") = "6"
    & skf21("5","3","2","4","7","1","5","1") = "6"
    & skf21("5","3","2","4","7","1","6","1") = "6"
    & skf21("5","3","2","4","7","1","7","1") = "6"
    & skf21("5","3","2","4","7","2","1","1") = "6"
    & skf21("5","3","2","4","7","2","2","1") = "6"
    & skf21("5","3","2","4","7","2","3","1") = "6"
    & skf21("5","3","2","4","7","2","4","1") = "6"
    & skf21("5","3","2","4","7","2","5","1") = "6"
    & skf21("5","3","2","4","7","2","6","1") = "6"
    & skf21("5","3","2","4","7","2","7","1") = "6"
    & skf21("5","3","2","4","7","3","1","1") = "6"
    & skf21("5","3","2","4","7","3","2","1") = "6"
    & skf21("5","3","2","4","7","3","3","1") = "6"
    & skf21("5","3","2","4","7","3","4","1") = "6"
    & skf21("5","3","2","4","7","3","5","1") = "6"
    & skf21("5","3","2","4","7","3","6","1") = "6"
    & skf21("5","3","2","4","7","3","7","1") = "6"
    & skf21("5","3","2","4","7","4","1","1") = "6"
    & skf21("5","3","2","4","7","4","2","1") = "6"
    & skf21("5","3","2","4","7","4","3","1") = "6"
    & skf21("5","3","2","4","7","4","4","1") = "6"
    & skf21("5","3","2","4","7","4","5","1") = "6"
    & skf21("5","3","2","4","7","4","6","1") = "6"
    & skf21("5","3","2","4","7","4","7","1") = "6"
    & skf21("5","3","2","4","7","5","1","1") = "6"
    & skf21("5","3","2","4","7","5","2","1") = "6"
    & skf21("5","3","2","4","7","5","3","1") = "6"
    & skf21("5","3","2","4","7","5","4","1") = "6"
    & skf21("5","3","2","4","7","5","5","1") = "6"
    & skf21("5","3","2","4","7","5","6","1") = "6"
    & skf21("5","3","2","4","7","5","7","1") = "6"
    & skf21("5","3","2","4","7","6","1","1") = "6"
    & skf21("5","3","2","4","7","6","2","1") = "6"
    & skf21("5","3","2","4","7","6","3","1") = "6"
    & skf21("5","3","2","4","7","6","4","1") = "6"
    & skf21("5","3","2","4","7","6","5","1") = "6"
    & skf21("5","3","2","4","7","6","6","1") = "6"
    & skf21("5","3","2","4","7","6","7","1") = "6"
    & skf21("5","3","2","4","7","7","1","1") = "6"
    & skf21("5","3","2","4","7","7","2","1") = "6"
    & skf21("5","3","2","4","7","7","3","1") = "6"
    & skf21("5","3","2","4","7","7","4","1") = "6"
    & skf21("5","3","2","4","7","7","5","1") = "6"
    & skf21("5","3","2","4","7","7","6","1") = "6"
    & skf21("5","3","2","4","7","7","7","1") = "6"
    & skf21("5","3","2","5","1","1","1","1") = "4"
    & skf21("5","3","2","5","1","1","2","1") = "4"
    & skf21("5","3","2","5","1","1","3","1") = "4"
    & skf21("5","3","2","5","1","1","4","1") = "4"
    & skf21("5","3","2","5","1","1","5","1") = "4"
    & skf21("5","3","2","5","1","1","6","1") = "5"
    & skf21("5","3","2","5","1","1","7","1") = "6"
    & skf21("5","3","2","5","1","2","1","1") = "4"
    & skf21("5","3","2","5","1","2","2","1") = "4"
    & skf21("5","3","2","5","1","2","3","1") = "4"
    & skf21("5","3","2","5","1","2","4","1") = "4"
    & skf21("5","3","2","5","1","2","5","1") = "4"
    & skf21("5","3","2","5","1","2","6","1") = "5"
    & skf21("5","3","2","5","1","2","7","1") = "6"
    & skf21("5","3","2","5","1","3","1","1") = "4"
    & skf21("5","3","2","5","1","3","2","1") = "4"
    & skf21("5","3","2","5","1","3","3","1") = "4"
    & skf21("5","3","2","5","1","3","4","1") = "4"
    & skf21("5","3","2","5","1","3","5","1") = "4"
    & skf21("5","3","2","5","1","3","6","1") = "5"
    & skf21("5","3","2","5","1","3","7","1") = "6"
    & skf21("5","3","2","5","1","4","1","1") = "4"
    & skf21("5","3","2","5","1","4","2","1") = "4"
    & skf21("5","3","2","5","1","4","3","1") = "4"
    & skf21("5","3","2","5","1","4","4","1") = "4"
    & skf21("5","3","2","5","1","4","5","1") = "4"
    & skf21("5","3","2","5","1","4","6","1") = "5"
    & skf21("5","3","2","5","1","4","7","1") = "6"
    & skf21("5","3","2","5","1","5","1","1") = "4"
    & skf21("5","3","2","5","1","5","2","1") = "4"
    & skf21("5","3","2","5","1","5","3","1") = "4"
    & skf21("5","3","2","5","1","5","4","1") = "4"
    & skf21("5","3","2","5","1","5","5","1") = "4"
    & skf21("5","3","2","5","1","5","6","1") = "5"
    & skf21("5","3","2","5","1","5","7","1") = "6"
    & skf21("5","3","2","5","1","6","1","1") = "5"
    & skf21("5","3","2","5","1","6","2","1") = "5"
    & skf21("5","3","2","5","1","6","3","1") = "5"
    & skf21("5","3","2","5","1","6","4","1") = "5"
    & skf21("5","3","2","5","1","6","5","1") = "5"
    & skf21("5","3","2","5","1","6","6","1") = "5"
    & skf21("5","3","2","5","1","6","7","1") = "6"
    & skf21("5","3","2","5","1","7","1","1") = "6"
    & skf21("5","3","2","5","1","7","2","1") = "6"
    & skf21("5","3","2","5","1","7","3","1") = "6"
    & skf21("5","3","2","5","1","7","4","1") = "6"
    & skf21("5","3","2","5","1","7","5","1") = "6"
    & skf21("5","3","2","5","1","7","6","1") = "6"
    & skf21("5","3","2","5","1","7","7","1") = "6"
    & skf21("5","3","2","5","2","1","1","1") = "4"
    & skf21("5","3","2","5","2","1","2","1") = "4"
    & skf21("5","3","2","5","2","1","3","1") = "4"
    & skf21("5","3","2","5","2","1","4","1") = "4"
    & skf21("5","3","2","5","2","1","5","1") = "4"
    & skf21("5","3","2","5","2","1","6","1") = "5"
    & skf21("5","3","2","5","2","1","7","1") = "6"
    & skf21("5","3","2","5","2","2","1","1") = "4"
    & skf21("5","3","2","5","2","2","2","1") = "4"
    & skf21("5","3","2","5","2","2","3","1") = "4"
    & skf21("5","3","2","5","2","2","4","1") = "4"
    & skf21("5","3","2","5","2","2","5","1") = "4"
    & skf21("5","3","2","5","2","2","6","1") = "5"
    & skf21("5","3","2","5","2","2","7","1") = "6"
    & skf21("5","3","2","5","2","3","1","1") = "4"
    & skf21("5","3","2","5","2","3","2","1") = "4"
    & skf21("5","3","2","5","2","3","3","1") = "4"
    & skf21("5","3","2","5","2","3","4","1") = "4"
    & skf21("5","3","2","5","2","3","5","1") = "4"
    & skf21("5","3","2","5","2","3","6","1") = "5"
    & skf21("5","3","2","5","2","3","7","1") = "6"
    & skf21("5","3","2","5","2","4","1","1") = "4"
    & skf21("5","3","2","5","2","4","2","1") = "4"
    & skf21("5","3","2","5","2","4","3","1") = "4"
    & skf21("5","3","2","5","2","4","4","1") = "4"
    & skf21("5","3","2","5","2","4","5","1") = "4"
    & skf21("5","3","2","5","2","4","6","1") = "5"
    & skf21("5","3","2","5","2","4","7","1") = "6"
    & skf21("5","3","2","5","2","5","1","1") = "4"
    & skf21("5","3","2","5","2","5","2","1") = "4"
    & skf21("5","3","2","5","2","5","3","1") = "4"
    & skf21("5","3","2","5","2","5","4","1") = "4"
    & skf21("5","3","2","5","2","5","5","1") = "4"
    & skf21("5","3","2","5","2","5","6","1") = "5"
    & skf21("5","3","2","5","2","5","7","1") = "6"
    & skf21("5","3","2","5","2","6","1","1") = "5"
    & skf21("5","3","2","5","2","6","2","1") = "5"
    & skf21("5","3","2","5","2","6","3","1") = "5"
    & skf21("5","3","2","5","2","6","4","1") = "5"
    & skf21("5","3","2","5","2","6","5","1") = "5"
    & skf21("5","3","2","5","2","6","6","1") = "5"
    & skf21("5","3","2","5","2","6","7","1") = "6"
    & skf21("5","3","2","5","2","7","1","1") = "6"
    & skf21("5","3","2","5","2","7","2","1") = "6"
    & skf21("5","3","2","5","2","7","3","1") = "6"
    & skf21("5","3","2","5","2","7","4","1") = "6"
    & skf21("5","3","2","5","2","7","5","1") = "6"
    & skf21("5","3","2","5","2","7","6","1") = "6"
    & skf21("5","3","2","5","2","7","7","1") = "6"
    & skf21("5","3","2","5","3","1","1","1") = "4"
    & skf21("5","3","2","5","3","1","2","1") = "4"
    & skf21("5","3","2","5","3","1","3","1") = "4"
    & skf21("5","3","2","5","3","1","4","1") = "4"
    & skf21("5","3","2","5","3","1","5","1") = "4"
    & skf21("5","3","2","5","3","1","6","1") = "5"
    & skf21("5","3","2","5","3","1","7","1") = "6"
    & skf21("5","3","2","5","3","2","1","1") = "4"
    & skf21("5","3","2","5","3","2","2","1") = "4"
    & skf21("5","3","2","5","3","2","3","1") = "4"
    & skf21("5","3","2","5","3","2","4","1") = "4"
    & skf21("5","3","2","5","3","2","5","1") = "4"
    & skf21("5","3","2","5","3","2","6","1") = "5"
    & skf21("5","3","2","5","3","2","7","1") = "6"
    & skf21("5","3","2","5","3","3","1","1") = "4"
    & skf21("5","3","2","5","3","3","2","1") = "4"
    & skf21("5","3","2","5","3","3","3","1") = "4"
    & skf21("5","3","2","5","3","3","4","1") = "4"
    & skf21("5","3","2","5","3","3","5","1") = "4"
    & skf21("5","3","2","5","3","3","6","1") = "5"
    & skf21("5","3","2","5","3","3","7","1") = "6"
    & skf21("5","3","2","5","3","4","1","1") = "4"
    & skf21("5","3","2","5","3","4","2","1") = "4"
    & skf21("5","3","2","5","3","4","3","1") = "4"
    & skf21("5","3","2","5","3","4","4","1") = "4"
    & skf21("5","3","2","5","3","4","5","1") = "4"
    & skf21("5","3","2","5","3","4","6","1") = "5"
    & skf21("5","3","2","5","3","4","7","1") = "6"
    & skf21("5","3","2","5","3","5","1","1") = "4"
    & skf21("5","3","2","5","3","5","2","1") = "4"
    & skf21("5","3","2","5","3","5","3","1") = "4"
    & skf21("5","3","2","5","3","5","4","1") = "4"
    & skf21("5","3","2","5","3","5","5","1") = "4"
    & skf21("5","3","2","5","3","5","6","1") = "5"
    & skf21("5","3","2","5","3","5","7","1") = "6"
    & skf21("5","3","2","5","3","6","1","1") = "5"
    & skf21("5","3","2","5","3","6","2","1") = "5"
    & skf21("5","3","2","5","3","6","3","1") = "5"
    & skf21("5","3","2","5","3","6","4","1") = "5"
    & skf21("5","3","2","5","3","6","5","1") = "5"
    & skf21("5","3","2","5","3","6","6","1") = "5"
    & skf21("5","3","2","5","3","6","7","1") = "6"
    & skf21("5","3","2","5","3","7","1","1") = "6"
    & skf21("5","3","2","5","3","7","2","1") = "6"
    & skf21("5","3","2","5","3","7","3","1") = "6"
    & skf21("5","3","2","5","3","7","4","1") = "6"
    & skf21("5","3","2","5","3","7","5","1") = "6"
    & skf21("5","3","2","5","3","7","6","1") = "6"
    & skf21("5","3","2","5","3","7","7","1") = "6"
    & skf21("5","3","2","5","4","1","1","1") = "4"
    & skf21("5","3","2","5","4","1","2","1") = "4"
    & skf21("5","3","2","5","4","1","3","1") = "4"
    & skf21("5","3","2","5","4","1","4","1") = "4"
    & skf21("5","3","2","5","4","1","5","1") = "4"
    & skf21("5","3","2","5","4","1","6","1") = "5"
    & skf21("5","3","2","5","4","1","7","1") = "6"
    & skf21("5","3","2","5","4","2","1","1") = "4"
    & skf21("5","3","2","5","4","2","2","1") = "4"
    & skf21("5","3","2","5","4","2","3","1") = "4"
    & skf21("5","3","2","5","4","2","4","1") = "4"
    & skf21("5","3","2","5","4","2","5","1") = "4"
    & skf21("5","3","2","5","4","2","6","1") = "5"
    & skf21("5","3","2","5","4","2","7","1") = "6"
    & skf21("5","3","2","5","4","3","1","1") = "4"
    & skf21("5","3","2","5","4","3","2","1") = "4"
    & skf21("5","3","2","5","4","3","3","1") = "4"
    & skf21("5","3","2","5","4","3","4","1") = "4"
    & skf21("5","3","2","5","4","3","5","1") = "4"
    & skf21("5","3","2","5","4","3","6","1") = "5"
    & skf21("5","3","2","5","4","3","7","1") = "6"
    & skf21("5","3","2","5","4","4","1","1") = "4"
    & skf21("5","3","2","5","4","4","2","1") = "4"
    & skf21("5","3","2","5","4","4","3","1") = "4"
    & skf21("5","3","2","5","4","4","4","1") = "4"
    & skf21("5","3","2","5","4","4","5","1") = "4"
    & skf21("5","3","2","5","4","4","6","1") = "5"
    & skf21("5","3","2","5","4","4","7","1") = "6"
    & skf21("5","3","2","5","4","5","1","1") = "4"
    & skf21("5","3","2","5","4","5","2","1") = "4"
    & skf21("5","3","2","5","4","5","3","1") = "4"
    & skf21("5","3","2","5","4","5","4","1") = "4"
    & skf21("5","3","2","5","4","5","5","1") = "4"
    & skf21("5","3","2","5","4","5","6","1") = "5"
    & skf21("5","3","2","5","4","5","7","1") = "6"
    & skf21("5","3","2","5","4","6","1","1") = "5"
    & skf21("5","3","2","5","4","6","2","1") = "5"
    & skf21("5","3","2","5","4","6","3","1") = "5"
    & skf21("5","3","2","5","4","6","4","1") = "5"
    & skf21("5","3","2","5","4","6","5","1") = "5"
    & skf21("5","3","2","5","4","6","6","1") = "5"
    & skf21("5","3","2","5","4","6","7","1") = "6"
    & skf21("5","3","2","5","4","7","1","1") = "6"
    & skf21("5","3","2","5","4","7","2","1") = "6"
    & skf21("5","3","2","5","4","7","3","1") = "6"
    & skf21("5","3","2","5","4","7","4","1") = "6"
    & skf21("5","3","2","5","4","7","5","1") = "6"
    & skf21("5","3","2","5","4","7","6","1") = "6"
    & skf21("5","3","2","5","4","7","7","1") = "6"
    & skf21("5","3","2","5","5","1","1","1") = "4"
    & skf21("5","3","2","5","5","1","2","1") = "4"
    & skf21("5","3","2","5","5","1","3","1") = "4"
    & skf21("5","3","2","5","5","1","4","1") = "4"
    & skf21("5","3","2","5","5","1","5","1") = "4"
    & skf21("5","3","2","5","5","1","6","1") = "5"
    & skf21("5","3","2","5","5","1","7","1") = "6"
    & skf21("5","3","2","5","5","2","1","1") = "4"
    & skf21("5","3","2","5","5","2","2","1") = "4"
    & skf21("5","3","2","5","5","2","3","1") = "4"
    & skf21("5","3","2","5","5","2","4","1") = "4"
    & skf21("5","3","2","5","5","2","5","1") = "4"
    & skf21("5","3","2","5","5","2","6","1") = "5"
    & skf21("5","3","2","5","5","2","7","1") = "6"
    & skf21("5","3","2","5","5","3","1","1") = "4"
    & skf21("5","3","2","5","5","3","2","1") = "4"
    & skf21("5","3","2","5","5","3","3","1") = "4"
    & skf21("5","3","2","5","5","3","4","1") = "4"
    & skf21("5","3","2","5","5","3","5","1") = "4"
    & skf21("5","3","2","5","5","3","6","1") = "5"
    & skf21("5","3","2","5","5","3","7","1") = "6"
    & skf21("5","3","2","5","5","4","1","1") = "4"
    & skf21("5","3","2","5","5","4","2","1") = "4"
    & skf21("5","3","2","5","5","4","3","1") = "4"
    & skf21("5","3","2","5","5","4","4","1") = "4"
    & skf21("5","3","2","5","5","4","5","1") = "4"
    & skf21("5","3","2","5","5","4","6","1") = "5"
    & skf21("5","3","2","5","5","4","7","1") = "6"
    & skf21("5","3","2","5","5","5","1","1") = "4"
    & skf21("5","3","2","5","5","5","2","1") = "4"
    & skf21("5","3","2","5","5","5","3","1") = "4"
    & skf21("5","3","2","5","5","5","4","1") = "4"
    & skf21("5","3","2","5","5","5","5","1") = "4"
    & skf21("5","3","2","5","5","5","6","1") = "5"
    & skf21("5","3","2","5","5","5","7","1") = "6"
    & skf21("5","3","2","5","5","6","1","1") = "5"
    & skf21("5","3","2","5","5","6","2","1") = "5"
    & skf21("5","3","2","5","5","6","3","1") = "5"
    & skf21("5","3","2","5","5","6","4","1") = "5"
    & skf21("5","3","2","5","5","6","5","1") = "5"
    & skf21("5","3","2","5","5","6","6","1") = "5"
    & skf21("5","3","2","5","5","6","7","1") = "6"
    & skf21("5","3","2","5","5","7","1","1") = "6"
    & skf21("5","3","2","5","5","7","2","1") = "6"
    & skf21("5","3","2","5","5","7","3","1") = "6"
    & skf21("5","3","2","5","5","7","4","1") = "6"
    & skf21("5","3","2","5","5","7","5","1") = "6"
    & skf21("5","3","2","5","5","7","6","1") = "6"
    & skf21("5","3","2","5","5","7","7","1") = "6"
    & skf21("5","3","2","5","6","1","1","1") = "5"
    & skf21("5","3","2","5","6","1","2","1") = "5"
    & skf21("5","3","2","5","6","1","3","1") = "5"
    & skf21("5","3","2","5","6","1","4","1") = "5"
    & skf21("5","3","2","5","6","1","5","1") = "5"
    & skf21("5","3","2","5","6","1","6","1") = "5"
    & skf21("5","3","2","5","6","1","7","1") = "6"
    & skf21("5","3","2","5","6","2","1","1") = "5"
    & skf21("5","3","2","5","6","2","2","1") = "5"
    & skf21("5","3","2","5","6","2","3","1") = "5"
    & skf21("5","3","2","5","6","2","4","1") = "5"
    & skf21("5","3","2","5","6","2","5","1") = "5"
    & skf21("5","3","2","5","6","2","6","1") = "5"
    & skf21("5","3","2","5","6","2","7","1") = "6"
    & skf21("5","3","2","5","6","3","1","1") = "5"
    & skf21("5","3","2","5","6","3","2","1") = "5"
    & skf21("5","3","2","5","6","3","3","1") = "5"
    & skf21("5","3","2","5","6","3","4","1") = "5"
    & skf21("5","3","2","5","6","3","5","1") = "5"
    & skf21("5","3","2","5","6","3","6","1") = "5"
    & skf21("5","3","2","5","6","3","7","1") = "6"
    & skf21("5","3","2","5","6","4","1","1") = "5"
    & skf21("5","3","2","5","6","4","2","1") = "5"
    & skf21("5","3","2","5","6","4","3","1") = "5"
    & skf21("5","3","2","5","6","4","4","1") = "5"
    & skf21("5","3","2","5","6","4","5","1") = "5"
    & skf21("5","3","2","5","6","4","6","1") = "5"
    & skf21("5","3","2","5","6","4","7","1") = "6"
    & skf21("5","3","2","5","6","5","1","1") = "5"
    & skf21("5","3","2","5","6","5","2","1") = "5"
    & skf21("5","3","2","5","6","5","3","1") = "5"
    & skf21("5","3","2","5","6","5","4","1") = "5"
    & skf21("5","3","2","5","6","5","5","1") = "5"
    & skf21("5","3","2","5","6","5","6","1") = "5"
    & skf21("5","3","2","5","6","5","7","1") = "6"
    & skf21("5","3","2","5","6","6","1","1") = "5"
    & skf21("5","3","2","5","6","6","2","1") = "5"
    & skf21("5","3","2","5","6","6","3","1") = "5"
    & skf21("5","3","2","5","6","6","4","1") = "5"
    & skf21("5","3","2","5","6","6","5","1") = "5"
    & skf21("5","3","2","5","6","6","6","1") = "5"
    & skf21("5","3","2","5","6","6","7","1") = "6"
    & skf21("5","3","2","5","6","7","1","1") = "6"
    & skf21("5","3","2","5","6","7","2","1") = "6"
    & skf21("5","3","2","5","6","7","3","1") = "6"
    & skf21("5","3","2","5","6","7","4","1") = "6"
    & skf21("5","3","2","5","6","7","5","1") = "6"
    & skf21("5","3","2","5","6","7","6","1") = "6"
    & skf21("5","3","2","5","6","7","7","1") = "6"
    & skf21("5","3","2","5","7","1","1","1") = "6"
    & skf21("5","3","2","5","7","1","2","1") = "6"
    & skf21("5","3","2","5","7","1","3","1") = "6"
    & skf21("5","3","2","5","7","1","4","1") = "6"
    & skf21("5","3","2","5","7","1","5","1") = "6"
    & skf21("5","3","2","5","7","1","6","1") = "6"
    & skf21("5","3","2","5","7","1","7","1") = "6"
    & skf21("5","3","2","5","7","2","1","1") = "6"
    & skf21("5","3","2","5","7","2","2","1") = "6"
    & skf21("5","3","2","5","7","2","3","1") = "6"
    & skf21("5","3","2","5","7","2","4","1") = "6"
    & skf21("5","3","2","5","7","2","5","1") = "6"
    & skf21("5","3","2","5","7","2","6","1") = "6"
    & skf21("5","3","2","5","7","2","7","1") = "6"
    & skf21("5","3","2","5","7","3","1","1") = "6"
    & skf21("5","3","2","5","7","3","2","1") = "6"
    & skf21("5","3","2","5","7","3","3","1") = "6"
    & skf21("5","3","2","5","7","3","4","1") = "6"
    & skf21("5","3","2","5","7","3","5","1") = "6"
    & skf21("5","3","2","5","7","3","6","1") = "6"
    & skf21("5","3","2","5","7","3","7","1") = "6"
    & skf21("5","3","2","5","7","4","1","1") = "6"
    & skf21("5","3","2","5","7","4","2","1") = "6"
    & skf21("5","3","2","5","7","4","3","1") = "6"
    & skf21("5","3","2","5","7","4","4","1") = "6"
    & skf21("5","3","2","5","7","4","5","1") = "6"
    & skf21("5","3","2","5","7","4","6","1") = "6"
    & skf21("5","3","2","5","7","4","7","1") = "6"
    & skf21("5","3","2","5","7","5","1","1") = "6"
    & skf21("5","3","2","5","7","5","2","1") = "6"
    & skf21("5","3","2","5","7","5","3","1") = "6"
    & skf21("5","3","2","5","7","5","4","1") = "6"
    & skf21("5","3","2","5","7","5","5","1") = "6"
    & skf21("5","3","2","5","7","5","6","1") = "6"
    & skf21("5","3","2","5","7","5","7","1") = "6"
    & skf21("5","3","2","5","7","6","1","1") = "6"
    & skf21("5","3","2","5","7","6","2","1") = "6"
    & skf21("5","3","2","5","7","6","3","1") = "6"
    & skf21("5","3","2","5","7","6","4","1") = "6"
    & skf21("5","3","2","5","7","6","5","1") = "6"
    & skf21("5","3","2","5","7","6","6","1") = "6"
    & skf21("5","3","2","5","7","6","7","1") = "6"
    & skf21("5","3","2","5","7","7","1","1") = "6"
    & skf21("5","3","2","5","7","7","2","1") = "6"
    & skf21("5","3","2","5","7","7","3","1") = "6"
    & skf21("5","3","2","5","7","7","4","1") = "6"
    & skf21("5","3","2","5","7","7","5","1") = "6"
    & skf21("5","3","2","5","7","7","6","1") = "6"
    & skf21("5","3","2","5","7","7","7","1") = "6"
    & skf21("5","3","2","6","1","1","1","1") = "5"
    & skf21("5","3","2","6","1","1","2","1") = "5"
    & skf21("5","3","2","6","1","1","3","1") = "5"
    & skf21("5","3","2","6","1","1","4","1") = "5"
    & skf21("5","3","2","6","1","1","5","1") = "5"
    & skf21("5","3","2","6","1","1","6","1") = "5"
    & skf21("5","3","2","6","1","1","7","1") = "6"
    & skf21("5","3","2","6","1","2","1","1") = "5"
    & skf21("5","3","2","6","1","2","2","1") = "5"
    & skf21("5","3","2","6","1","2","3","1") = "5"
    & skf21("5","3","2","6","1","2","4","1") = "5"
    & skf21("5","3","2","6","1","2","5","1") = "5"
    & skf21("5","3","2","6","1","2","6","1") = "5"
    & skf21("5","3","2","6","1","2","7","1") = "6"
    & skf21("5","3","2","6","1","3","1","1") = "5"
    & skf21("5","3","2","6","1","3","2","1") = "5"
    & skf21("5","3","2","6","1","3","3","1") = "5"
    & skf21("5","3","2","6","1","3","4","1") = "5"
    & skf21("5","3","2","6","1","3","5","1") = "5"
    & skf21("5","3","2","6","1","3","6","1") = "5"
    & skf21("5","3","2","6","1","3","7","1") = "6"
    & skf21("5","3","2","6","1","4","1","1") = "5"
    & skf21("5","3","2","6","1","4","2","1") = "5"
    & skf21("5","3","2","6","1","4","3","1") = "5"
    & skf21("5","3","2","6","1","4","4","1") = "5"
    & skf21("5","3","2","6","1","4","5","1") = "5"
    & skf21("5","3","2","6","1","4","6","1") = "5"
    & skf21("5","3","2","6","1","4","7","1") = "6"
    & skf21("5","3","2","6","1","5","1","1") = "5"
    & skf21("5","3","2","6","1","5","2","1") = "5"
    & skf21("5","3","2","6","1","5","3","1") = "5"
    & skf21("5","3","2","6","1","5","4","1") = "5"
    & skf21("5","3","2","6","1","5","5","1") = "5"
    & skf21("5","3","2","6","1","5","6","1") = "5"
    & skf21("5","3","2","6","1","5","7","1") = "6"
    & skf21("5","3","2","6","1","6","1","1") = "5"
    & skf21("5","3","2","6","1","6","2","1") = "5"
    & skf21("5","3","2","6","1","6","3","1") = "5"
    & skf21("5","3","2","6","1","6","4","1") = "5"
    & skf21("5","3","2","6","1","6","5","1") = "5"
    & skf21("5","3","2","6","1","6","6","1") = "5"
    & skf21("5","3","2","6","1","6","7","1") = "6"
    & skf21("5","3","2","6","1","7","1","1") = "6"
    & skf21("5","3","2","6","1","7","2","1") = "6"
    & skf21("5","3","2","6","1","7","3","1") = "6"
    & skf21("5","3","2","6","1","7","4","1") = "6"
    & skf21("5","3","2","6","1","7","5","1") = "6"
    & skf21("5","3","2","6","1","7","6","1") = "6"
    & skf21("5","3","2","6","1","7","7","1") = "6"
    & skf21("5","3","2","6","2","1","1","1") = "5"
    & skf21("5","3","2","6","2","1","2","1") = "5"
    & skf21("5","3","2","6","2","1","3","1") = "5"
    & skf21("5","3","2","6","2","1","4","1") = "5"
    & skf21("5","3","2","6","2","1","5","1") = "5"
    & skf21("5","3","2","6","2","1","6","1") = "5"
    & skf21("5","3","2","6","2","1","7","1") = "6"
    & skf21("5","3","2","6","2","2","1","1") = "5"
    & skf21("5","3","2","6","2","2","2","1") = "5"
    & skf21("5","3","2","6","2","2","3","1") = "5"
    & skf21("5","3","2","6","2","2","4","1") = "5"
    & skf21("5","3","2","6","2","2","5","1") = "5"
    & skf21("5","3","2","6","2","2","6","1") = "5"
    & skf21("5","3","2","6","2","2","7","1") = "6"
    & skf21("5","3","2","6","2","3","1","1") = "5"
    & skf21("5","3","2","6","2","3","2","1") = "5"
    & skf21("5","3","2","6","2","3","3","1") = "5"
    & skf21("5","3","2","6","2","3","4","1") = "5"
    & skf21("5","3","2","6","2","3","5","1") = "5"
    & skf21("5","3","2","6","2","3","6","1") = "5"
    & skf21("5","3","2","6","2","3","7","1") = "6"
    & skf21("5","3","2","6","2","4","1","1") = "5"
    & skf21("5","3","2","6","2","4","2","1") = "5"
    & skf21("5","3","2","6","2","4","3","1") = "5"
    & skf21("5","3","2","6","2","4","4","1") = "5"
    & skf21("5","3","2","6","2","4","5","1") = "5"
    & skf21("5","3","2","6","2","4","6","1") = "5"
    & skf21("5","3","2","6","2","4","7","1") = "6"
    & skf21("5","3","2","6","2","5","1","1") = "5"
    & skf21("5","3","2","6","2","5","2","1") = "5"
    & skf21("5","3","2","6","2","5","3","1") = "5"
    & skf21("5","3","2","6","2","5","4","1") = "5"
    & skf21("5","3","2","6","2","5","5","1") = "5"
    & skf21("5","3","2","6","2","5","6","1") = "5"
    & skf21("5","3","2","6","2","5","7","1") = "6"
    & skf21("5","3","2","6","2","6","1","1") = "5"
    & skf21("5","3","2","6","2","6","2","1") = "5"
    & skf21("5","3","2","6","2","6","3","1") = "5"
    & skf21("5","3","2","6","2","6","4","1") = "5"
    & skf21("5","3","2","6","2","6","5","1") = "5"
    & skf21("5","3","2","6","2","6","6","1") = "5"
    & skf21("5","3","2","6","2","6","7","1") = "6"
    & skf21("5","3","2","6","2","7","1","1") = "6"
    & skf21("5","3","2","6","2","7","2","1") = "6"
    & skf21("5","3","2","6","2","7","3","1") = "6"
    & skf21("5","3","2","6","2","7","4","1") = "6"
    & skf21("5","3","2","6","2","7","5","1") = "6"
    & skf21("5","3","2","6","2","7","6","1") = "6"
    & skf21("5","3","2","6","2","7","7","1") = "6"
    & skf21("5","3","2","6","3","1","1","1") = "5"
    & skf21("5","3","2","6","3","1","2","1") = "5"
    & skf21("5","3","2","6","3","1","3","1") = "5"
    & skf21("5","3","2","6","3","1","4","1") = "5"
    & skf21("5","3","2","6","3","1","5","1") = "5"
    & skf21("5","3","2","6","3","1","6","1") = "5"
    & skf21("5","3","2","6","3","1","7","1") = "6"
    & skf21("5","3","2","6","3","2","1","1") = "5"
    & skf21("5","3","2","6","3","2","2","1") = "5"
    & skf21("5","3","2","6","3","2","3","1") = "5"
    & skf21("5","3","2","6","3","2","4","1") = "5"
    & skf21("5","3","2","6","3","2","5","1") = "5"
    & skf21("5","3","2","6","3","2","6","1") = "5"
    & skf21("5","3","2","6","3","2","7","1") = "6"
    & skf21("5","3","2","6","3","3","1","1") = "5"
    & skf21("5","3","2","6","3","3","2","1") = "5"
    & skf21("5","3","2","6","3","3","3","1") = "5"
    & skf21("5","3","2","6","3","3","4","1") = "5"
    & skf21("5","3","2","6","3","3","5","1") = "5"
    & skf21("5","3","2","6","3","3","6","1") = "5"
    & skf21("5","3","2","6","3","3","7","1") = "6"
    & skf21("5","3","2","6","3","4","1","1") = "5"
    & skf21("5","3","2","6","3","4","2","1") = "5"
    & skf21("5","3","2","6","3","4","3","1") = "5"
    & skf21("5","3","2","6","3","4","4","1") = "5"
    & skf21("5","3","2","6","3","4","5","1") = "5"
    & skf21("5","3","2","6","3","4","6","1") = "5"
    & skf21("5","3","2","6","3","4","7","1") = "6"
    & skf21("5","3","2","6","3","5","1","1") = "5"
    & skf21("5","3","2","6","3","5","2","1") = "5"
    & skf21("5","3","2","6","3","5","3","1") = "5"
    & skf21("5","3","2","6","3","5","4","1") = "5"
    & skf21("5","3","2","6","3","5","5","1") = "5"
    & skf21("5","3","2","6","3","5","6","1") = "5"
    & skf21("5","3","2","6","3","5","7","1") = "6"
    & skf21("5","3","2","6","3","6","1","1") = "5"
    & skf21("5","3","2","6","3","6","2","1") = "5"
    & skf21("5","3","2","6","3","6","3","1") = "5"
    & skf21("5","3","2","6","3","6","4","1") = "5"
    & skf21("5","3","2","6","3","6","5","1") = "5"
    & skf21("5","3","2","6","3","6","6","1") = "5"
    & skf21("5","3","2","6","3","6","7","1") = "6"
    & skf21("5","3","2","6","3","7","1","1") = "6"
    & skf21("5","3","2","6","3","7","2","1") = "6"
    & skf21("5","3","2","6","3","7","3","1") = "6"
    & skf21("5","3","2","6","3","7","4","1") = "6"
    & skf21("5","3","2","6","3","7","5","1") = "6"
    & skf21("5","3","2","6","3","7","6","1") = "6"
    & skf21("5","3","2","6","3","7","7","1") = "6"
    & skf21("5","3","2","6","4","1","1","1") = "5"
    & skf21("5","3","2","6","4","1","2","1") = "5"
    & skf21("5","3","2","6","4","1","3","1") = "5"
    & skf21("5","3","2","6","4","1","4","1") = "5"
    & skf21("5","3","2","6","4","1","5","1") = "5"
    & skf21("5","3","2","6","4","1","6","1") = "5"
    & skf21("5","3","2","6","4","1","7","1") = "6"
    & skf21("5","3","2","6","4","2","1","1") = "5"
    & skf21("5","3","2","6","4","2","2","1") = "5"
    & skf21("5","3","2","6","4","2","3","1") = "5"
    & skf21("5","3","2","6","4","2","4","1") = "5"
    & skf21("5","3","2","6","4","2","5","1") = "5"
    & skf21("5","3","2","6","4","2","6","1") = "5"
    & skf21("5","3","2","6","4","2","7","1") = "6"
    & skf21("5","3","2","6","4","3","1","1") = "5"
    & skf21("5","3","2","6","4","3","2","1") = "5"
    & skf21("5","3","2","6","4","3","3","1") = "5"
    & skf21("5","3","2","6","4","3","4","1") = "5"
    & skf21("5","3","2","6","4","3","5","1") = "5"
    & skf21("5","3","2","6","4","3","6","1") = "5"
    & skf21("5","3","2","6","4","3","7","1") = "6"
    & skf21("5","3","2","6","4","4","1","1") = "5"
    & skf21("5","3","2","6","4","4","2","1") = "5"
    & skf21("5","3","2","6","4","4","3","1") = "5"
    & skf21("5","3","2","6","4","4","4","1") = "5"
    & skf21("5","3","2","6","4","4","5","1") = "5"
    & skf21("5","3","2","6","4","4","6","1") = "5"
    & skf21("5","3","2","6","4","4","7","1") = "6"
    & skf21("5","3","2","6","4","5","1","1") = "5"
    & skf21("5","3","2","6","4","5","2","1") = "5"
    & skf21("5","3","2","6","4","5","3","1") = "5"
    & skf21("5","3","2","6","4","5","4","1") = "5"
    & skf21("5","3","2","6","4","5","5","1") = "5"
    & skf21("5","3","2","6","4","5","6","1") = "5"
    & skf21("5","3","2","6","4","5","7","1") = "6"
    & skf21("5","3","2","6","4","6","1","1") = "5"
    & skf21("5","3","2","6","4","6","2","1") = "5"
    & skf21("5","3","2","6","4","6","3","1") = "5"
    & skf21("5","3","2","6","4","6","4","1") = "5"
    & skf21("5","3","2","6","4","6","5","1") = "5"
    & skf21("5","3","2","6","4","6","6","1") = "5"
    & skf21("5","3","2","6","4","6","7","1") = "6"
    & skf21("5","3","2","6","4","7","1","1") = "6"
    & skf21("5","3","2","6","4","7","2","1") = "6"
    & skf21("5","3","2","6","4","7","3","1") = "6"
    & skf21("5","3","2","6","4","7","4","1") = "6"
    & skf21("5","3","2","6","4","7","5","1") = "6"
    & skf21("5","3","2","6","4","7","6","1") = "6"
    & skf21("5","3","2","6","4","7","7","1") = "6"
    & skf21("5","3","2","6","5","1","1","1") = "5"
    & skf21("5","3","2","6","5","1","2","1") = "5"
    & skf21("5","3","2","6","5","1","3","1") = "5"
    & skf21("5","3","2","6","5","1","4","1") = "5"
    & skf21("5","3","2","6","5","1","5","1") = "5"
    & skf21("5","3","2","6","5","1","6","1") = "5"
    & skf21("5","3","2","6","5","1","7","1") = "6"
    & skf21("5","3","2","6","5","2","1","1") = "5"
    & skf21("5","3","2","6","5","2","2","1") = "5"
    & skf21("5","3","2","6","5","2","3","1") = "5"
    & skf21("5","3","2","6","5","2","4","1") = "5"
    & skf21("5","3","2","6","5","2","5","1") = "5"
    & skf21("5","3","2","6","5","2","6","1") = "5"
    & skf21("5","3","2","6","5","2","7","1") = "6"
    & skf21("5","3","2","6","5","3","1","1") = "5"
    & skf21("5","3","2","6","5","3","2","1") = "5"
    & skf21("5","3","2","6","5","3","3","1") = "5"
    & skf21("5","3","2","6","5","3","4","1") = "5"
    & skf21("5","3","2","6","5","3","5","1") = "5"
    & skf21("5","3","2","6","5","3","6","1") = "5"
    & skf21("5","3","2","6","5","3","7","1") = "6"
    & skf21("5","3","2","6","5","4","1","1") = "5"
    & skf21("5","3","2","6","5","4","2","1") = "5"
    & skf21("5","3","2","6","5","4","3","1") = "5"
    & skf21("5","3","2","6","5","4","4","1") = "5"
    & skf21("5","3","2","6","5","4","5","1") = "5"
    & skf21("5","3","2","6","5","4","6","1") = "5"
    & skf21("5","3","2","6","5","4","7","1") = "6"
    & skf21("5","3","2","6","5","5","1","1") = "5"
    & skf21("5","3","2","6","5","5","2","1") = "5"
    & skf21("5","3","2","6","5","5","3","1") = "5"
    & skf21("5","3","2","6","5","5","4","1") = "5"
    & skf21("5","3","2","6","5","5","5","1") = "5"
    & skf21("5","3","2","6","5","5","6","1") = "5"
    & skf21("5","3","2","6","5","5","7","1") = "6"
    & skf21("5","3","2","6","5","6","1","1") = "5"
    & skf21("5","3","2","6","5","6","2","1") = "5"
    & skf21("5","3","2","6","5","6","3","1") = "5"
    & skf21("5","3","2","6","5","6","4","1") = "5"
    & skf21("5","3","2","6","5","6","5","1") = "5"
    & skf21("5","3","2","6","5","6","6","1") = "5"
    & skf21("5","3","2","6","5","6","7","1") = "6"
    & skf21("5","3","2","6","5","7","1","1") = "6"
    & skf21("5","3","2","6","5","7","2","1") = "6"
    & skf21("5","3","2","6","5","7","3","1") = "6"
    & skf21("5","3","2","6","5","7","4","1") = "6"
    & skf21("5","3","2","6","5","7","5","1") = "6"
    & skf21("5","3","2","6","5","7","6","1") = "6"
    & skf21("5","3","2","6","5","7","7","1") = "6"
    & skf21("5","3","2","6","6","1","1","1") = "5"
    & skf21("5","3","2","6","6","1","2","1") = "5"
    & skf21("5","3","2","6","6","1","3","1") = "5"
    & skf21("5","3","2","6","6","1","4","1") = "5"
    & skf21("5","3","2","6","6","1","5","1") = "5"
    & skf21("5","3","2","6","6","1","6","1") = "5"
    & skf21("5","3","2","6","6","1","7","1") = "6"
    & skf21("5","3","2","6","6","2","1","1") = "5"
    & skf21("5","3","2","6","6","2","2","1") = "5"
    & skf21("5","3","2","6","6","2","3","1") = "5"
    & skf21("5","3","2","6","6","2","4","1") = "5"
    & skf21("5","3","2","6","6","2","5","1") = "5"
    & skf21("5","3","2","6","6","2","6","1") = "5"
    & skf21("5","3","2","6","6","2","7","1") = "6"
    & skf21("5","3","2","6","6","3","1","1") = "5"
    & skf21("5","3","2","6","6","3","2","1") = "5"
    & skf21("5","3","2","6","6","3","3","1") = "5"
    & skf21("5","3","2","6","6","3","4","1") = "5"
    & skf21("5","3","2","6","6","3","5","1") = "5"
    & skf21("5","3","2","6","6","3","6","1") = "5"
    & skf21("5","3","2","6","6","3","7","1") = "6"
    & skf21("5","3","2","6","6","4","1","1") = "5"
    & skf21("5","3","2","6","6","4","2","1") = "5"
    & skf21("5","3","2","6","6","4","3","1") = "5"
    & skf21("5","3","2","6","6","4","4","1") = "5"
    & skf21("5","3","2","6","6","4","5","1") = "5"
    & skf21("5","3","2","6","6","4","6","1") = "5"
    & skf21("5","3","2","6","6","4","7","1") = "6"
    & skf21("5","3","2","6","6","5","1","1") = "5"
    & skf21("5","3","2","6","6","5","2","1") = "5"
    & skf21("5","3","2","6","6","5","3","1") = "5"
    & skf21("5","3","2","6","6","5","4","1") = "5"
    & skf21("5","3","2","6","6","5","5","1") = "5"
    & skf21("5","3","2","6","6","5","6","1") = "5"
    & skf21("5","3","2","6","6","5","7","1") = "6"
    & skf21("5","3","2","6","6","6","1","1") = "5"
    & skf21("5","3","2","6","6","6","2","1") = "5"
    & skf21("5","3","2","6","6","6","3","1") = "5"
    & skf21("5","3","2","6","6","6","4","1") = "5"
    & skf21("5","3","2","6","6","6","5","1") = "5"
    & skf21("5","3","2","6","6","6","6","1") = "5"
    & skf21("5","3","2","6","6","6","7","1") = "6"
    & skf21("5","3","2","6","6","7","1","1") = "6"
    & skf21("5","3","2","6","6","7","2","1") = "6"
    & skf21("5","3","2","6","6","7","3","1") = "6"
    & skf21("5","3","2","6","6","7","4","1") = "6"
    & skf21("5","3","2","6","6","7","5","1") = "6"
    & skf21("5","3","2","6","6","7","6","1") = "6"
    & skf21("5","3","2","6","6","7","7","1") = "6"
    & skf21("5","3","2","6","7","1","1","1") = "6"
    & skf21("5","3","2","6","7","1","2","1") = "6"
    & skf21("5","3","2","6","7","1","3","1") = "6"
    & skf21("5","3","2","6","7","1","4","1") = "6"
    & skf21("5","3","2","6","7","1","5","1") = "6"
    & skf21("5","3","2","6","7","1","6","1") = "6"
    & skf21("5","3","2","6","7","1","7","1") = "6"
    & skf21("5","3","2","6","7","2","1","1") = "6"
    & skf21("5","3","2","6","7","2","2","1") = "6"
    & skf21("5","3","2","6","7","2","3","1") = "6"
    & skf21("5","3","2","6","7","2","4","1") = "6"
    & skf21("5","3","2","6","7","2","5","1") = "6"
    & skf21("5","3","2","6","7","2","6","1") = "6"
    & skf21("5","3","2","6","7","2","7","1") = "6"
    & skf21("5","3","2","6","7","3","1","1") = "6"
    & skf21("5","3","2","6","7","3","2","1") = "6"
    & skf21("5","3","2","6","7","3","3","1") = "6"
    & skf21("5","3","2","6","7","3","4","1") = "6"
    & skf21("5","3","2","6","7","3","5","1") = "6"
    & skf21("5","3","2","6","7","3","6","1") = "6"
    & skf21("5","3","2","6","7","3","7","1") = "6"
    & skf21("5","3","2","6","7","4","1","1") = "6"
    & skf21("5","3","2","6","7","4","2","1") = "6"
    & skf21("5","3","2","6","7","4","3","1") = "6"
    & skf21("5","3","2","6","7","4","4","1") = "6"
    & skf21("5","3","2","6","7","4","5","1") = "6"
    & skf21("5","3","2","6","7","4","6","1") = "6"
    & skf21("5","3","2","6","7","4","7","1") = "6"
    & skf21("5","3","2","6","7","5","1","1") = "6"
    & skf21("5","3","2","6","7","5","2","1") = "6"
    & skf21("5","3","2","6","7","5","3","1") = "6"
    & skf21("5","3","2","6","7","5","4","1") = "6"
    & skf21("5","3","2","6","7","5","5","1") = "6"
    & skf21("5","3","2","6","7","5","6","1") = "6"
    & skf21("5","3","2","6","7","5","7","1") = "6"
    & skf21("5","3","2","6","7","6","1","1") = "6"
    & skf21("5","3","2","6","7","6","2","1") = "6"
    & skf21("5","3","2","6","7","6","3","1") = "6"
    & skf21("5","3","2","6","7","6","4","1") = "6"
    & skf21("5","3","2","6","7","6","5","1") = "6"
    & skf21("5","3","2","6","7","6","6","1") = "6"
    & skf21("5","3","2","6","7","6","7","1") = "6"
    & skf21("5","3","2","6","7","7","1","1") = "6"
    & skf21("5","3","2","6","7","7","2","1") = "6"
    & skf21("5","3","2","6","7","7","3","1") = "6"
    & skf21("5","3","2","6","7","7","4","1") = "6"
    & skf21("5","3","2","6","7","7","5","1") = "6"
    & skf21("5","3","2","6","7","7","6","1") = "6"
    & skf21("5","3","2","6","7","7","7","1") = "6"
    & skf21("5","3","2","7","1","1","1","1") = "6"
    & skf21("5","3","2","7","1","1","2","1") = "6"
    & skf21("5","3","2","7","1","1","3","1") = "6"
    & skf21("5","3","2","7","1","1","4","1") = "6"
    & skf21("5","3","2","7","1","1","5","1") = "6"
    & skf21("5","3","2","7","1","1","6","1") = "6"
    & skf21("5","3","2","7","1","1","7","1") = "6"
    & skf21("5","3","2","7","1","2","1","1") = "6"
    & skf21("5","3","2","7","1","2","2","1") = "6"
    & skf21("5","3","2","7","1","2","3","1") = "6"
    & skf21("5","3","2","7","1","2","4","1") = "6"
    & skf21("5","3","2","7","1","2","5","1") = "6"
    & skf21("5","3","2","7","1","2","6","1") = "6"
    & skf21("5","3","2","7","1","2","7","1") = "6"
    & skf21("5","3","2","7","1","3","1","1") = "6"
    & skf21("5","3","2","7","1","3","2","1") = "6"
    & skf21("5","3","2","7","1","3","3","1") = "6"
    & skf21("5","3","2","7","1","3","4","1") = "6"
    & skf21("5","3","2","7","1","3","5","1") = "6"
    & skf21("5","3","2","7","1","3","6","1") = "6"
    & skf21("5","3","2","7","1","3","7","1") = "6"
    & skf21("5","3","2","7","1","4","1","1") = "6"
    & skf21("5","3","2","7","1","4","2","1") = "6"
    & skf21("5","3","2","7","1","4","3","1") = "6"
    & skf21("5","3","2","7","1","4","4","1") = "6"
    & skf21("5","3","2","7","1","4","5","1") = "6"
    & skf21("5","3","2","7","1","4","6","1") = "6"
    & skf21("5","3","2","7","1","4","7","1") = "6"
    & skf21("5","3","2","7","1","5","1","1") = "6"
    & skf21("5","3","2","7","1","5","2","1") = "6"
    & skf21("5","3","2","7","1","5","3","1") = "6"
    & skf21("5","3","2","7","1","5","4","1") = "6"
    & skf21("5","3","2","7","1","5","5","1") = "6"
    & skf21("5","3","2","7","1","5","6","1") = "6"
    & skf21("5","3","2","7","1","5","7","1") = "6"
    & skf21("5","3","2","7","1","6","1","1") = "6"
    & skf21("5","3","2","7","1","6","2","1") = "6"
    & skf21("5","3","2","7","1","6","3","1") = "6"
    & skf21("5","3","2","7","1","6","4","1") = "6"
    & skf21("5","3","2","7","1","6","5","1") = "6"
    & skf21("5","3","2","7","1","6","6","1") = "6"
    & skf21("5","3","2","7","1","6","7","1") = "6"
    & skf21("5","3","2","7","1","7","1","1") = "6"
    & skf21("5","3","2","7","1","7","2","1") = "6"
    & skf21("5","3","2","7","1","7","3","1") = "6"
    & skf21("5","3","2","7","1","7","4","1") = "6"
    & skf21("5","3","2","7","1","7","5","1") = "6"
    & skf21("5","3","2","7","1","7","6","1") = "6"
    & skf21("5","3","2","7","1","7","7","1") = "6"
    & skf21("5","3","2","7","2","1","1","1") = "6"
    & skf21("5","3","2","7","2","1","2","1") = "6"
    & skf21("5","3","2","7","2","1","3","1") = "6"
    & skf21("5","3","2","7","2","1","4","1") = "6"
    & skf21("5","3","2","7","2","1","5","1") = "6"
    & skf21("5","3","2","7","2","1","6","1") = "6"
    & skf21("5","3","2","7","2","1","7","1") = "6"
    & skf21("5","3","2","7","2","2","1","1") = "6"
    & skf21("5","3","2","7","2","2","2","1") = "6"
    & skf21("5","3","2","7","2","2","3","1") = "6"
    & skf21("5","3","2","7","2","2","4","1") = "6"
    & skf21("5","3","2","7","2","2","5","1") = "6"
    & skf21("5","3","2","7","2","2","6","1") = "6"
    & skf21("5","3","2","7","2","2","7","1") = "6"
    & skf21("5","3","2","7","2","3","1","1") = "6"
    & skf21("5","3","2","7","2","3","2","1") = "6"
    & skf21("5","3","2","7","2","3","3","1") = "6"
    & skf21("5","3","2","7","2","3","4","1") = "6"
    & skf21("5","3","2","7","2","3","5","1") = "6"
    & skf21("5","3","2","7","2","3","6","1") = "6"
    & skf21("5","3","2","7","2","3","7","1") = "6"
    & skf21("5","3","2","7","2","4","1","1") = "6"
    & skf21("5","3","2","7","2","4","2","1") = "6"
    & skf21("5","3","2","7","2","4","3","1") = "6"
    & skf21("5","3","2","7","2","4","4","1") = "6"
    & skf21("5","3","2","7","2","4","5","1") = "6"
    & skf21("5","3","2","7","2","4","6","1") = "6"
    & skf21("5","3","2","7","2","4","7","1") = "6"
    & skf21("5","3","2","7","2","5","1","1") = "6"
    & skf21("5","3","2","7","2","5","2","1") = "6"
    & skf21("5","3","2","7","2","5","3","1") = "6"
    & skf21("5","3","2","7","2","5","4","1") = "6"
    & skf21("5","3","2","7","2","5","5","1") = "6"
    & skf21("5","3","2","7","2","5","6","1") = "6"
    & skf21("5","3","2","7","2","5","7","1") = "6"
    & skf21("5","3","2","7","2","6","1","1") = "6"
    & skf21("5","3","2","7","2","6","2","1") = "6"
    & skf21("5","3","2","7","2","6","3","1") = "6"
    & skf21("5","3","2","7","2","6","4","1") = "6"
    & skf21("5","3","2","7","2","6","5","1") = "6"
    & skf21("5","3","2","7","2","6","6","1") = "6"
    & skf21("5","3","2","7","2","6","7","1") = "6"
    & skf21("5","3","2","7","2","7","1","1") = "6"
    & skf21("5","3","2","7","2","7","2","1") = "6"
    & skf21("5","3","2","7","2","7","3","1") = "6"
    & skf21("5","3","2","7","2","7","4","1") = "6"
    & skf21("5","3","2","7","2","7","5","1") = "6"
    & skf21("5","3","2","7","2","7","6","1") = "6"
    & skf21("5","3","2","7","2","7","7","1") = "6"
    & skf21("5","3","2","7","3","1","1","1") = "6"
    & skf21("5","3","2","7","3","1","2","1") = "6"
    & skf21("5","3","2","7","3","1","3","1") = "6"
    & skf21("5","3","2","7","3","1","4","1") = "6"
    & skf21("5","3","2","7","3","1","5","1") = "6"
    & skf21("5","3","2","7","3","1","6","1") = "6"
    & skf21("5","3","2","7","3","1","7","1") = "6"
    & skf21("5","3","2","7","3","2","1","1") = "6"
    & skf21("5","3","2","7","3","2","2","1") = "6"
    & skf21("5","3","2","7","3","2","3","1") = "6"
    & skf21("5","3","2","7","3","2","4","1") = "6"
    & skf21("5","3","2","7","3","2","5","1") = "6"
    & skf21("5","3","2","7","3","2","6","1") = "6"
    & skf21("5","3","2","7","3","2","7","1") = "6"
    & skf21("5","3","2","7","3","3","1","1") = "6"
    & skf21("5","3","2","7","3","3","2","1") = "6"
    & skf21("5","3","2","7","3","3","3","1") = "6"
    & skf21("5","3","2","7","3","3","4","1") = "6"
    & skf21("5","3","2","7","3","3","5","1") = "6"
    & skf21("5","3","2","7","3","3","6","1") = "6"
    & skf21("5","3","2","7","3","3","7","1") = "6"
    & skf21("5","3","2","7","3","4","1","1") = "6"
    & skf21("5","3","2","7","3","4","2","1") = "6"
    & skf21("5","3","2","7","3","4","3","1") = "6"
    & skf21("5","3","2","7","3","4","4","1") = "6"
    & skf21("5","3","2","7","3","4","5","1") = "6"
    & skf21("5","3","2","7","3","4","6","1") = "6"
    & skf21("5","3","2","7","3","4","7","1") = "6"
    & skf21("5","3","2","7","3","5","1","1") = "6"
    & skf21("5","3","2","7","3","5","2","1") = "6"
    & skf21("5","3","2","7","3","5","3","1") = "6"
    & skf21("5","3","2","7","3","5","4","1") = "6"
    & skf21("5","3","2","7","3","5","5","1") = "6"
    & skf21("5","3","2","7","3","5","6","1") = "6"
    & skf21("5","3","2","7","3","5","7","1") = "6"
    & skf21("5","3","2","7","3","6","1","1") = "6"
    & skf21("5","3","2","7","3","6","2","1") = "6"
    & skf21("5","3","2","7","3","6","3","1") = "6"
    & skf21("5","3","2","7","3","6","4","1") = "6"
    & skf21("5","3","2","7","3","6","5","1") = "6"
    & skf21("5","3","2","7","3","6","6","1") = "6"
    & skf21("5","3","2","7","3","6","7","1") = "6"
    & skf21("5","3","2","7","3","7","1","1") = "6"
    & skf21("5","3","2","7","3","7","2","1") = "6"
    & skf21("5","3","2","7","3","7","3","1") = "6"
    & skf21("5","3","2","7","3","7","4","1") = "6"
    & skf21("5","3","2","7","3","7","5","1") = "6"
    & skf21("5","3","2","7","3","7","6","1") = "6"
    & skf21("5","3","2","7","3","7","7","1") = "6"
    & skf21("5","3","2","7","4","1","1","1") = "6"
    & skf21("5","3","2","7","4","1","2","1") = "6"
    & skf21("5","3","2","7","4","1","3","1") = "6"
    & skf21("5","3","2","7","4","1","4","1") = "6"
    & skf21("5","3","2","7","4","1","5","1") = "6"
    & skf21("5","3","2","7","4","1","6","1") = "6"
    & skf21("5","3","2","7","4","1","7","1") = "6"
    & skf21("5","3","2","7","4","2","1","1") = "6"
    & skf21("5","3","2","7","4","2","2","1") = "6"
    & skf21("5","3","2","7","4","2","3","1") = "6"
    & skf21("5","3","2","7","4","2","4","1") = "6"
    & skf21("5","3","2","7","4","2","5","1") = "6"
    & skf21("5","3","2","7","4","2","6","1") = "6"
    & skf21("5","3","2","7","4","2","7","1") = "6"
    & skf21("5","3","2","7","4","3","1","1") = "6"
    & skf21("5","3","2","7","4","3","2","1") = "6"
    & skf21("5","3","2","7","4","3","3","1") = "6"
    & skf21("5","3","2","7","4","3","4","1") = "6"
    & skf21("5","3","2","7","4","3","5","1") = "6"
    & skf21("5","3","2","7","4","3","6","1") = "6"
    & skf21("5","3","2","7","4","3","7","1") = "6"
    & skf21("5","3","2","7","4","4","1","1") = "6"
    & skf21("5","3","2","7","4","4","2","1") = "6"
    & skf21("5","3","2","7","4","4","3","1") = "6"
    & skf21("5","3","2","7","4","4","4","1") = "6"
    & skf21("5","3","2","7","4","4","5","1") = "6"
    & skf21("5","3","2","7","4","4","6","1") = "6"
    & skf21("5","3","2","7","4","4","7","1") = "6"
    & skf21("5","3","2","7","4","5","1","1") = "6"
    & skf21("5","3","2","7","4","5","2","1") = "6"
    & skf21("5","3","2","7","4","5","3","1") = "6"
    & skf21("5","3","2","7","4","5","4","1") = "6"
    & skf21("5","3","2","7","4","5","5","1") = "6"
    & skf21("5","3","2","7","4","5","6","1") = "6"
    & skf21("5","3","2","7","4","5","7","1") = "6"
    & skf21("5","3","2","7","4","6","1","1") = "6"
    & skf21("5","3","2","7","4","6","2","1") = "6"
    & skf21("5","3","2","7","4","6","3","1") = "6"
    & skf21("5","3","2","7","4","6","4","1") = "6"
    & skf21("5","3","2","7","4","6","5","1") = "6"
    & skf21("5","3","2","7","4","6","6","1") = "6"
    & skf21("5","3","2","7","4","6","7","1") = "6"
    & skf21("5","3","2","7","4","7","1","1") = "6"
    & skf21("5","3","2","7","4","7","2","1") = "6"
    & skf21("5","3","2","7","4","7","3","1") = "6"
    & skf21("5","3","2","7","4","7","4","1") = "6"
    & skf21("5","3","2","7","4","7","5","1") = "6"
    & skf21("5","3","2","7","4","7","6","1") = "6"
    & skf21("5","3","2","7","4","7","7","1") = "6"
    & skf21("5","3","2","7","5","1","1","1") = "6"
    & skf21("5","3","2","7","5","1","2","1") = "6"
    & skf21("5","3","2","7","5","1","3","1") = "6"
    & skf21("5","3","2","7","5","1","4","1") = "6"
    & skf21("5","3","2","7","5","1","5","1") = "6"
    & skf21("5","3","2","7","5","1","6","1") = "6"
    & skf21("5","3","2","7","5","1","7","1") = "6"
    & skf21("5","3","2","7","5","2","1","1") = "6"
    & skf21("5","3","2","7","5","2","2","1") = "6"
    & skf21("5","3","2","7","5","2","3","1") = "6"
    & skf21("5","3","2","7","5","2","4","1") = "6"
    & skf21("5","3","2","7","5","2","5","1") = "6"
    & skf21("5","3","2","7","5","2","6","1") = "6"
    & skf21("5","3","2","7","5","2","7","1") = "6"
    & skf21("5","3","2","7","5","3","1","1") = "6"
    & skf21("5","3","2","7","5","3","2","1") = "6"
    & skf21("5","3","2","7","5","3","3","1") = "6"
    & skf21("5","3","2","7","5","3","4","1") = "6"
    & skf21("5","3","2","7","5","3","5","1") = "6"
    & skf21("5","3","2","7","5","3","6","1") = "6"
    & skf21("5","3","2","7","5","3","7","1") = "6"
    & skf21("5","3","2","7","5","4","1","1") = "6"
    & skf21("5","3","2","7","5","4","2","1") = "6"
    & skf21("5","3","2","7","5","4","3","1") = "6"
    & skf21("5","3","2","7","5","4","4","1") = "6"
    & skf21("5","3","2","7","5","4","5","1") = "6"
    & skf21("5","3","2","7","5","4","6","1") = "6"
    & skf21("5","3","2","7","5","4","7","1") = "6"
    & skf21("5","3","2","7","5","5","1","1") = "6"
    & skf21("5","3","2","7","5","5","2","1") = "6"
    & skf21("5","3","2","7","5","5","3","1") = "6"
    & skf21("5","3","2","7","5","5","4","1") = "6"
    & skf21("5","3","2","7","5","5","5","1") = "6"
    & skf21("5","3","2","7","5","5","6","1") = "6"
    & skf21("5","3","2","7","5","5","7","1") = "6"
    & skf21("5","3","2","7","5","6","1","1") = "6"
    & skf21("5","3","2","7","5","6","2","1") = "6"
    & skf21("5","3","2","7","5","6","3","1") = "6"
    & skf21("5","3","2","7","5","6","4","1") = "6"
    & skf21("5","3","2","7","5","6","5","1") = "6"
    & skf21("5","3","2","7","5","6","6","1") = "6"
    & skf21("5","3","2","7","5","6","7","1") = "6"
    & skf21("5","3","2","7","5","7","1","1") = "6"
    & skf21("5","3","2","7","5","7","2","1") = "6"
    & skf21("5","3","2","7","5","7","3","1") = "6"
    & skf21("5","3","2","7","5","7","4","1") = "6"
    & skf21("5","3","2","7","5","7","5","1") = "6"
    & skf21("5","3","2","7","5","7","6","1") = "6"
    & skf21("5","3","2","7","5","7","7","1") = "6"
    & skf21("5","3","2","7","6","1","1","1") = "6"
    & skf21("5","3","2","7","6","1","2","1") = "6"
    & skf21("5","3","2","7","6","1","3","1") = "6"
    & skf21("5","3","2","7","6","1","4","1") = "6"
    & skf21("5","3","2","7","6","1","5","1") = "6"
    & skf21("5","3","2","7","6","1","6","1") = "6"
    & skf21("5","3","2","7","6","1","7","1") = "6"
    & skf21("5","3","2","7","6","2","1","1") = "6"
    & skf21("5","3","2","7","6","2","2","1") = "6"
    & skf21("5","3","2","7","6","2","3","1") = "6"
    & skf21("5","3","2","7","6","2","4","1") = "6"
    & skf21("5","3","2","7","6","2","5","1") = "6"
    & skf21("5","3","2","7","6","2","6","1") = "6"
    & skf21("5","3","2","7","6","2","7","1") = "6"
    & skf21("5","3","2","7","6","3","1","1") = "6"
    & skf21("5","3","2","7","6","3","2","1") = "6"
    & skf21("5","3","2","7","6","3","3","1") = "6"
    & skf21("5","3","2","7","6","3","4","1") = "6"
    & skf21("5","3","2","7","6","3","5","1") = "6"
    & skf21("5","3","2","7","6","3","6","1") = "6"
    & skf21("5","3","2","7","6","3","7","1") = "6"
    & skf21("5","3","2","7","6","4","1","1") = "6"
    & skf21("5","3","2","7","6","4","2","1") = "6"
    & skf21("5","3","2","7","6","4","3","1") = "6"
    & skf21("5","3","2","7","6","4","4","1") = "6"
    & skf21("5","3","2","7","6","4","5","1") = "6"
    & skf21("5","3","2","7","6","4","6","1") = "6"
    & skf21("5","3","2","7","6","4","7","1") = "6"
    & skf21("5","3","2","7","6","5","1","1") = "6"
    & skf21("5","3","2","7","6","5","2","1") = "6"
    & skf21("5","3","2","7","6","5","3","1") = "6"
    & skf21("5","3","2","7","6","5","4","1") = "6"
    & skf21("5","3","2","7","6","5","5","1") = "6"
    & skf21("5","3","2","7","6","5","6","1") = "6"
    & skf21("5","3","2","7","6","5","7","1") = "6"
    & skf21("5","3","2","7","6","6","1","1") = "6"
    & skf21("5","3","2","7","6","6","2","1") = "6"
    & skf21("5","3","2","7","6","6","3","1") = "6"
    & skf21("5","3","2","7","6","6","4","1") = "6"
    & skf21("5","3","2","7","6","6","5","1") = "6"
    & skf21("5","3","2","7","6","6","6","1") = "6"
    & skf21("5","3","2","7","6","6","7","1") = "6"
    & skf21("5","3","2","7","6","7","1","1") = "6"
    & skf21("5","3","2","7","6","7","2","1") = "6"
    & skf21("5","3","2","7","6","7","3","1") = "6"
    & skf21("5","3","2","7","6","7","4","1") = "6"
    & skf21("5","3","2","7","6","7","5","1") = "6"
    & skf21("5","3","2","7","6","7","6","1") = "6"
    & skf21("5","3","2","7","6","7","7","1") = "6"
    & skf21("5","3","2","7","7","1","1","1") = "6"
    & skf21("5","3","2","7","7","1","2","1") = "6"
    & skf21("5","3","2","7","7","1","3","1") = "6"
    & skf21("5","3","2","7","7","1","4","1") = "6"
    & skf21("5","3","2","7","7","1","5","1") = "6"
    & skf21("5","3","2","7","7","1","6","1") = "6"
    & skf21("5","3","2","7","7","1","7","1") = "6"
    & skf21("5","3","2","7","7","2","1","1") = "6"
    & skf21("5","3","2","7","7","2","2","1") = "6"
    & skf21("5","3","2","7","7","2","3","1") = "6"
    & skf21("5","3","2","7","7","2","4","1") = "6"
    & skf21("5","3","2","7","7","2","5","1") = "6"
    & skf21("5","3","2","7","7","2","6","1") = "6"
    & skf21("5","3","2","7","7","2","7","1") = "6"
    & skf21("5","3","2","7","7","3","1","1") = "6"
    & skf21("5","3","2","7","7","3","2","1") = "6"
    & skf21("5","3","2","7","7","3","3","1") = "6"
    & skf21("5","3","2","7","7","3","4","1") = "6"
    & skf21("5","3","2","7","7","3","5","1") = "6"
    & skf21("5","3","2","7","7","3","6","1") = "6"
    & skf21("5","3","2","7","7","3","7","1") = "6"
    & skf21("5","3","2","7","7","4","1","1") = "6"
    & skf21("5","3","2","7","7","4","2","1") = "6"
    & skf21("5","3","2","7","7","4","3","1") = "6"
    & skf21("5","3","2","7","7","4","4","1") = "6"
    & skf21("5","3","2","7","7","4","5","1") = "6"
    & skf21("5","3","2","7","7","4","6","1") = "6"
    & skf21("5","3","2","7","7","4","7","1") = "6"
    & skf21("5","3","2","7","7","5","1","1") = "6"
    & skf21("5","3","2","7","7","5","2","1") = "6"
    & skf21("5","3","2","7","7","5","3","1") = "6"
    & skf21("5","3","2","7","7","5","4","1") = "6"
    & skf21("5","3","2","7","7","5","5","1") = "6"
    & skf21("5","3","2","7","7","5","6","1") = "6"
    & skf21("5","3","2","7","7","5","7","1") = "6"
    & skf21("5","3","2","7","7","6","1","1") = "6"
    & skf21("5","3","2","7","7","6","2","1") = "6"
    & skf21("5","3","2","7","7","6","3","1") = "6"
    & skf21("5","3","2","7","7","6","4","1") = "6"
    & skf21("5","3","2","7","7","6","5","1") = "6"
    & skf21("5","3","2","7","7","6","6","1") = "6"
    & skf21("5","3","2","7","7","6","7","1") = "6"
    & skf21("5","3","2","7","7","7","1","1") = "6"
    & skf21("5","3","2","7","7","7","2","1") = "6"
    & skf21("5","3","2","7","7","7","3","1") = "6"
    & skf21("5","3","2","7","7","7","4","1") = "6"
    & skf21("5","3","2","7","7","7","5","1") = "6"
    & skf21("5","3","2","7","7","7","6","1") = "6"
    & skf21("5","3","2","7","7","7","7","1") = "6"
    & skf21("5","3","3","1","1","1","1","1") = "4"
    & skf21("5","3","3","1","1","1","2","1") = "4"
    & skf21("5","3","3","1","1","1","3","1") = "4"
    & skf21("5","3","3","1","1","1","4","1") = "4"
    & skf21("5","3","3","1","1","1","5","1") = "4"
    & skf21("5","3","3","1","1","1","6","1") = "5"
    & skf21("5","3","3","1","1","1","7","1") = "6"
    & skf21("5","3","3","1","1","2","1","1") = "4"
    & skf21("5","3","3","1","1","2","2","1") = "4"
    & skf21("5","3","3","1","1","2","3","1") = "4"
    & skf21("5","3","3","1","1","2","4","1") = "4"
    & skf21("5","3","3","1","1","2","5","1") = "4"
    & skf21("5","3","3","1","1","2","6","1") = "5"
    & skf21("5","3","3","1","1","2","7","1") = "6"
    & skf21("5","3","3","1","1","3","1","1") = "4"
    & skf21("5","3","3","1","1","3","2","1") = "4"
    & skf21("5","3","3","1","1","3","3","1") = "4"
    & skf21("5","3","3","1","1","3","4","1") = "4"
    & skf21("5","3","3","1","1","3","5","1") = "4"
    & skf21("5","3","3","1","1","3","6","1") = "5"
    & skf21("5","3","3","1","1","3","7","1") = "6"
    & skf21("5","3","3","1","1","4","1","1") = "4"
    & skf21("5","3","3","1","1","4","2","1") = "4"
    & skf21("5","3","3","1","1","4","3","1") = "4"
    & skf21("5","3","3","1","1","4","4","1") = "4"
    & skf21("5","3","3","1","1","4","5","1") = "4"
    & skf21("5","3","3","1","1","4","6","1") = "5"
    & skf21("5","3","3","1","1","4","7","1") = "6"
    & skf21("5","3","3","1","1","5","1","1") = "4"
    & skf21("5","3","3","1","1","5","2","1") = "4"
    & skf21("5","3","3","1","1","5","3","1") = "4"
    & skf21("5","3","3","1","1","5","4","1") = "4"
    & skf21("5","3","3","1","1","5","5","1") = "4"
    & skf21("5","3","3","1","1","5","6","1") = "5"
    & skf21("5","3","3","1","1","5","7","1") = "6"
    & skf21("5","3","3","1","1","6","1","1") = "5"
    & skf21("5","3","3","1","1","6","2","1") = "5"
    & skf21("5","3","3","1","1","6","3","1") = "5"
    & skf21("5","3","3","1","1","6","4","1") = "5"
    & skf21("5","3","3","1","1","6","5","1") = "5"
    & skf21("5","3","3","1","1","6","6","1") = "5"
    & skf21("5","3","3","1","1","6","7","1") = "6"
    & skf21("5","3","3","1","1","7","1","1") = "6"
    & skf21("5","3","3","1","1","7","2","1") = "6"
    & skf21("5","3","3","1","1","7","3","1") = "6"
    & skf21("5","3","3","1","1","7","4","1") = "6"
    & skf21("5","3","3","1","1","7","5","1") = "6"
    & skf21("5","3","3","1","1","7","6","1") = "6"
    & skf21("5","3","3","1","1","7","7","1") = "6"
    & skf21("5","3","3","1","2","1","1","1") = "4"
    & skf21("5","3","3","1","2","1","2","1") = "4"
    & skf21("5","3","3","1","2","1","3","1") = "4"
    & skf21("5","3","3","1","2","1","4","1") = "4"
    & skf21("5","3","3","1","2","1","5","1") = "4"
    & skf21("5","3","3","1","2","1","6","1") = "5"
    & skf21("5","3","3","1","2","1","7","1") = "6"
    & skf21("5","3","3","1","2","2","1","1") = "4"
    & skf21("5","3","3","1","2","2","2","1") = "4"
    & skf21("5","3","3","1","2","2","3","1") = "4"
    & skf21("5","3","3","1","2","2","4","1") = "4"
    & skf21("5","3","3","1","2","2","5","1") = "4"
    & skf21("5","3","3","1","2","2","6","1") = "5"
    & skf21("5","3","3","1","2","2","7","1") = "6"
    & skf21("5","3","3","1","2","3","1","1") = "4"
    & skf21("5","3","3","1","2","3","2","1") = "4"
    & skf21("5","3","3","1","2","3","3","1") = "4"
    & skf21("5","3","3","1","2","3","4","1") = "4"
    & skf21("5","3","3","1","2","3","5","1") = "4"
    & skf21("5","3","3","1","2","3","6","1") = "5"
    & skf21("5","3","3","1","2","3","7","1") = "6"
    & skf21("5","3","3","1","2","4","1","1") = "4"
    & skf21("5","3","3","1","2","4","2","1") = "4"
    & skf21("5","3","3","1","2","4","3","1") = "4"
    & skf21("5","3","3","1","2","4","4","1") = "4"
    & skf21("5","3","3","1","2","4","5","1") = "4"
    & skf21("5","3","3","1","2","4","6","1") = "5"
    & skf21("5","3","3","1","2","4","7","1") = "6"
    & skf21("5","3","3","1","2","5","1","1") = "4"
    & skf21("5","3","3","1","2","5","2","1") = "4"
    & skf21("5","3","3","1","2","5","3","1") = "4"
    & skf21("5","3","3","1","2","5","4","1") = "4"
    & skf21("5","3","3","1","2","5","5","1") = "4"
    & skf21("5","3","3","1","2","5","6","1") = "5"
    & skf21("5","3","3","1","2","5","7","1") = "6"
    & skf21("5","3","3","1","2","6","1","1") = "5"
    & skf21("5","3","3","1","2","6","2","1") = "5"
    & skf21("5","3","3","1","2","6","3","1") = "5"
    & skf21("5","3","3","1","2","6","4","1") = "5"
    & skf21("5","3","3","1","2","6","5","1") = "5"
    & skf21("5","3","3","1","2","6","6","1") = "5"
    & skf21("5","3","3","1","2","6","7","1") = "6"
    & skf21("5","3","3","1","2","7","1","1") = "6"
    & skf21("5","3","3","1","2","7","2","1") = "6"
    & skf21("5","3","3","1","2","7","3","1") = "6"
    & skf21("5","3","3","1","2","7","4","1") = "6"
    & skf21("5","3","3","1","2","7","5","1") = "6"
    & skf21("5","3","3","1","2","7","6","1") = "6"
    & skf21("5","3","3","1","2","7","7","1") = "6"
    & skf21("5","3","3","1","3","1","1","1") = "4"
    & skf21("5","3","3","1","3","1","2","1") = "4"
    & skf21("5","3","3","1","3","1","3","1") = "4"
    & skf21("5","3","3","1","3","1","4","1") = "4"
    & skf21("5","3","3","1","3","1","5","1") = "4"
    & skf21("5","3","3","1","3","1","6","1") = "5"
    & skf21("5","3","3","1","3","1","7","1") = "6"
    & skf21("5","3","3","1","3","2","1","1") = "4"
    & skf21("5","3","3","1","3","2","2","1") = "4"
    & skf21("5","3","3","1","3","2","3","1") = "4"
    & skf21("5","3","3","1","3","2","4","1") = "4"
    & skf21("5","3","3","1","3","2","5","1") = "4"
    & skf21("5","3","3","1","3","2","6","1") = "5"
    & skf21("5","3","3","1","3","2","7","1") = "6"
    & skf21("5","3","3","1","3","3","1","1") = "4"
    & skf21("5","3","3","1","3","3","2","1") = "4"
    & skf21("5","3","3","1","3","3","3","1") = "4"
    & skf21("5","3","3","1","3","3","4","1") = "4"
    & skf21("5","3","3","1","3","3","5","1") = "4"
    & skf21("5","3","3","1","3","3","6","1") = "5"
    & skf21("5","3","3","1","3","3","7","1") = "6"
    & skf21("5","3","3","1","3","4","1","1") = "4"
    & skf21("5","3","3","1","3","4","2","1") = "4"
    & skf21("5","3","3","1","3","4","3","1") = "4"
    & skf21("5","3","3","1","3","4","4","1") = "4"
    & skf21("5","3","3","1","3","4","5","1") = "4"
    & skf21("5","3","3","1","3","4","6","1") = "5"
    & skf21("5","3","3","1","3","4","7","1") = "6"
    & skf21("5","3","3","1","3","5","1","1") = "4"
    & skf21("5","3","3","1","3","5","2","1") = "4"
    & skf21("5","3","3","1","3","5","3","1") = "4"
    & skf21("5","3","3","1","3","5","4","1") = "4"
    & skf21("5","3","3","1","3","5","5","1") = "4"
    & skf21("5","3","3","1","3","5","6","1") = "5"
    & skf21("5","3","3","1","3","5","7","1") = "6"
    & skf21("5","3","3","1","3","6","1","1") = "5"
    & skf21("5","3","3","1","3","6","2","1") = "5"
    & skf21("5","3","3","1","3","6","3","1") = "5"
    & skf21("5","3","3","1","3","6","4","1") = "5"
    & skf21("5","3","3","1","3","6","5","1") = "5"
    & skf21("5","3","3","1","3","6","6","1") = "5"
    & skf21("5","3","3","1","3","6","7","1") = "6"
    & skf21("5","3","3","1","3","7","1","1") = "6"
    & skf21("5","3","3","1","3","7","2","1") = "6"
    & skf21("5","3","3","1","3","7","3","1") = "6"
    & skf21("5","3","3","1","3","7","4","1") = "6"
    & skf21("5","3","3","1","3","7","5","1") = "6"
    & skf21("5","3","3","1","3","7","6","1") = "6"
    & skf21("5","3","3","1","3","7","7","1") = "6"
    & skf21("5","3","3","1","4","1","1","1") = "4"
    & skf21("5","3","3","1","4","1","2","1") = "4"
    & skf21("5","3","3","1","4","1","3","1") = "4"
    & skf21("5","3","3","1","4","1","4","1") = "4"
    & skf21("5","3","3","1","4","1","5","1") = "4"
    & skf21("5","3","3","1","4","1","6","1") = "5"
    & skf21("5","3","3","1","4","1","7","1") = "6"
    & skf21("5","3","3","1","4","2","1","1") = "4"
    & skf21("5","3","3","1","4","2","2","1") = "4"
    & skf21("5","3","3","1","4","2","3","1") = "4"
    & skf21("5","3","3","1","4","2","4","1") = "4"
    & skf21("5","3","3","1","4","2","5","1") = "4"
    & skf21("5","3","3","1","4","2","6","1") = "5"
    & skf21("5","3","3","1","4","2","7","1") = "6"
    & skf21("5","3","3","1","4","3","1","1") = "4"
    & skf21("5","3","3","1","4","3","2","1") = "4"
    & skf21("5","3","3","1","4","3","3","1") = "4"
    & skf21("5","3","3","1","4","3","4","1") = "4"
    & skf21("5","3","3","1","4","3","5","1") = "4"
    & skf21("5","3","3","1","4","3","6","1") = "5"
    & skf21("5","3","3","1","4","3","7","1") = "6"
    & skf21("5","3","3","1","4","4","1","1") = "4"
    & skf21("5","3","3","1","4","4","2","1") = "4"
    & skf21("5","3","3","1","4","4","3","1") = "4"
    & skf21("5","3","3","1","4","4","4","1") = "4"
    & skf21("5","3","3","1","4","4","5","1") = "4"
    & skf21("5","3","3","1","4","4","6","1") = "5"
    & skf21("5","3","3","1","4","4","7","1") = "6"
    & skf21("5","3","3","1","4","5","1","1") = "4"
    & skf21("5","3","3","1","4","5","2","1") = "4"
    & skf21("5","3","3","1","4","5","3","1") = "4"
    & skf21("5","3","3","1","4","5","4","1") = "4"
    & skf21("5","3","3","1","4","5","5","1") = "4"
    & skf21("5","3","3","1","4","5","6","1") = "5"
    & skf21("5","3","3","1","4","5","7","1") = "6"
    & skf21("5","3","3","1","4","6","1","1") = "5"
    & skf21("5","3","3","1","4","6","2","1") = "5"
    & skf21("5","3","3","1","4","6","3","1") = "5"
    & skf21("5","3","3","1","4","6","4","1") = "5"
    & skf21("5","3","3","1","4","6","5","1") = "5"
    & skf21("5","3","3","1","4","6","6","1") = "5"
    & skf21("5","3","3","1","4","6","7","1") = "6"
    & skf21("5","3","3","1","4","7","1","1") = "6"
    & skf21("5","3","3","1","4","7","2","1") = "6"
    & skf21("5","3","3","1","4","7","3","1") = "6"
    & skf21("5","3","3","1","4","7","4","1") = "6"
    & skf21("5","3","3","1","4","7","5","1") = "6"
    & skf21("5","3","3","1","4","7","6","1") = "6"
    & skf21("5","3","3","1","4","7","7","1") = "6"
    & skf21("5","3","3","1","5","1","1","1") = "4"
    & skf21("5","3","3","1","5","1","2","1") = "4"
    & skf21("5","3","3","1","5","1","3","1") = "4"
    & skf21("5","3","3","1","5","1","4","1") = "4"
    & skf21("5","3","3","1","5","1","5","1") = "4"
    & skf21("5","3","3","1","5","1","6","1") = "5"
    & skf21("5","3","3","1","5","1","7","1") = "6"
    & skf21("5","3","3","1","5","2","1","1") = "4"
    & skf21("5","3","3","1","5","2","2","1") = "4"
    & skf21("5","3","3","1","5","2","3","1") = "4"
    & skf21("5","3","3","1","5","2","4","1") = "4"
    & skf21("5","3","3","1","5","2","5","1") = "4"
    & skf21("5","3","3","1","5","2","6","1") = "5"
    & skf21("5","3","3","1","5","2","7","1") = "6"
    & skf21("5","3","3","1","5","3","1","1") = "4"
    & skf21("5","3","3","1","5","3","2","1") = "4"
    & skf21("5","3","3","1","5","3","3","1") = "4"
    & skf21("5","3","3","1","5","3","4","1") = "4"
    & skf21("5","3","3","1","5","3","5","1") = "4"
    & skf21("5","3","3","1","5","3","6","1") = "5"
    & skf21("5","3","3","1","5","3","7","1") = "6"
    & skf21("5","3","3","1","5","4","1","1") = "4"
    & skf21("5","3","3","1","5","4","2","1") = "4"
    & skf21("5","3","3","1","5","4","3","1") = "4"
    & skf21("5","3","3","1","5","4","4","1") = "4"
    & skf21("5","3","3","1","5","4","5","1") = "4"
    & skf21("5","3","3","1","5","4","6","1") = "5"
    & skf21("5","3","3","1","5","4","7","1") = "6"
    & skf21("5","3","3","1","5","5","1","1") = "4"
    & skf21("5","3","3","1","5","5","2","1") = "4"
    & skf21("5","3","3","1","5","5","3","1") = "4"
    & skf21("5","3","3","1","5","5","4","1") = "4"
    & skf21("5","3","3","1","5","5","5","1") = "4"
    & skf21("5","3","3","1","5","5","6","1") = "5"
    & skf21("5","3","3","1","5","5","7","1") = "6"
    & skf21("5","3","3","1","5","6","1","1") = "5"
    & skf21("5","3","3","1","5","6","2","1") = "5"
    & skf21("5","3","3","1","5","6","3","1") = "5"
    & skf21("5","3","3","1","5","6","4","1") = "5"
    & skf21("5","3","3","1","5","6","5","1") = "5"
    & skf21("5","3","3","1","5","6","6","1") = "5"
    & skf21("5","3","3","1","5","6","7","1") = "6"
    & skf21("5","3","3","1","5","7","1","1") = "6"
    & skf21("5","3","3","1","5","7","2","1") = "6"
    & skf21("5","3","3","1","5","7","3","1") = "6"
    & skf21("5","3","3","1","5","7","4","1") = "6"
    & skf21("5","3","3","1","5","7","5","1") = "6"
    & skf21("5","3","3","1","5","7","6","1") = "6"
    & skf21("5","3","3","1","5","7","7","1") = "6"
    & skf21("5","3","3","1","6","1","1","1") = "5"
    & skf21("5","3","3","1","6","1","2","1") = "5"
    & skf21("5","3","3","1","6","1","3","1") = "5"
    & skf21("5","3","3","1","6","1","4","1") = "5"
    & skf21("5","3","3","1","6","1","5","1") = "5"
    & skf21("5","3","3","1","6","1","6","1") = "5"
    & skf21("5","3","3","1","6","1","7","1") = "6"
    & skf21("5","3","3","1","6","2","1","1") = "5"
    & skf21("5","3","3","1","6","2","2","1") = "5"
    & skf21("5","3","3","1","6","2","3","1") = "5"
    & skf21("5","3","3","1","6","2","4","1") = "5"
    & skf21("5","3","3","1","6","2","5","1") = "5"
    & skf21("5","3","3","1","6","2","6","1") = "5"
    & skf21("5","3","3","1","6","2","7","1") = "6"
    & skf21("5","3","3","1","6","3","1","1") = "5"
    & skf21("5","3","3","1","6","3","2","1") = "5"
    & skf21("5","3","3","1","6","3","3","1") = "5"
    & skf21("5","3","3","1","6","3","4","1") = "5"
    & skf21("5","3","3","1","6","3","5","1") = "5"
    & skf21("5","3","3","1","6","3","6","1") = "5"
    & skf21("5","3","3","1","6","3","7","1") = "6"
    & skf21("5","3","3","1","6","4","1","1") = "5"
    & skf21("5","3","3","1","6","4","2","1") = "5"
    & skf21("5","3","3","1","6","4","3","1") = "5"
    & skf21("5","3","3","1","6","4","4","1") = "5"
    & skf21("5","3","3","1","6","4","5","1") = "5"
    & skf21("5","3","3","1","6","4","6","1") = "5"
    & skf21("5","3","3","1","6","4","7","1") = "6"
    & skf21("5","3","3","1","6","5","1","1") = "5"
    & skf21("5","3","3","1","6","5","2","1") = "5"
    & skf21("5","3","3","1","6","5","3","1") = "5"
    & skf21("5","3","3","1","6","5","4","1") = "5"
    & skf21("5","3","3","1","6","5","5","1") = "5"
    & skf21("5","3","3","1","6","5","6","1") = "5"
    & skf21("5","3","3","1","6","5","7","1") = "6"
    & skf21("5","3","3","1","6","6","1","1") = "5"
    & skf21("5","3","3","1","6","6","2","1") = "5"
    & skf21("5","3","3","1","6","6","3","1") = "5"
    & skf21("5","3","3","1","6","6","4","1") = "5"
    & skf21("5","3","3","1","6","6","5","1") = "5"
    & skf21("5","3","3","1","6","6","6","1") = "5"
    & skf21("5","3","3","1","6","6","7","1") = "6"
    & skf21("5","3","3","1","6","7","1","1") = "6"
    & skf21("5","3","3","1","6","7","2","1") = "6"
    & skf21("5","3","3","1","6","7","3","1") = "6"
    & skf21("5","3","3","1","6","7","4","1") = "6"
    & skf21("5","3","3","1","6","7","5","1") = "6"
    & skf21("5","3","3","1","6","7","6","1") = "6"
    & skf21("5","3","3","1","6","7","7","1") = "6"
    & skf21("5","3","3","1","7","1","1","1") = "6"
    & skf21("5","3","3","1","7","1","2","1") = "6"
    & skf21("5","3","3","1","7","1","3","1") = "6"
    & skf21("5","3","3","1","7","1","4","1") = "6"
    & skf21("5","3","3","1","7","1","5","1") = "6"
    & skf21("5","3","3","1","7","1","6","1") = "6"
    & skf21("5","3","3","1","7","1","7","1") = "6"
    & skf21("5","3","3","1","7","2","1","1") = "6"
    & skf21("5","3","3","1","7","2","2","1") = "6"
    & skf21("5","3","3","1","7","2","3","1") = "6"
    & skf21("5","3","3","1","7","2","4","1") = "6"
    & skf21("5","3","3","1","7","2","5","1") = "6"
    & skf21("5","3","3","1","7","2","6","1") = "6"
    & skf21("5","3","3","1","7","2","7","1") = "6"
    & skf21("5","3","3","1","7","3","1","1") = "6"
    & skf21("5","3","3","1","7","3","2","1") = "6"
    & skf21("5","3","3","1","7","3","3","1") = "6"
    & skf21("5","3","3","1","7","3","4","1") = "6"
    & skf21("5","3","3","1","7","3","5","1") = "6"
    & skf21("5","3","3","1","7","3","6","1") = "6"
    & skf21("5","3","3","1","7","3","7","1") = "6"
    & skf21("5","3","3","1","7","4","1","1") = "6"
    & skf21("5","3","3","1","7","4","2","1") = "6"
    & skf21("5","3","3","1","7","4","3","1") = "6"
    & skf21("5","3","3","1","7","4","4","1") = "6"
    & skf21("5","3","3","1","7","4","5","1") = "6"
    & skf21("5","3","3","1","7","4","6","1") = "6"
    & skf21("5","3","3","1","7","4","7","1") = "6"
    & skf21("5","3","3","1","7","5","1","1") = "6"
    & skf21("5","3","3","1","7","5","2","1") = "6"
    & skf21("5","3","3","1","7","5","3","1") = "6"
    & skf21("5","3","3","1","7","5","4","1") = "6"
    & skf21("5","3","3","1","7","5","5","1") = "6"
    & skf21("5","3","3","1","7","5","6","1") = "6"
    & skf21("5","3","3","1","7","5","7","1") = "6"
    & skf21("5","3","3","1","7","6","1","1") = "6"
    & skf21("5","3","3","1","7","6","2","1") = "6"
    & skf21("5","3","3","1","7","6","3","1") = "6"
    & skf21("5","3","3","1","7","6","4","1") = "6"
    & skf21("5","3","3","1","7","6","5","1") = "6"
    & skf21("5","3","3","1","7","6","6","1") = "6"
    & skf21("5","3","3","1","7","6","7","1") = "6"
    & skf21("5","3","3","1","7","7","1","1") = "6"
    & skf21("5","3","3","1","7","7","2","1") = "6"
    & skf21("5","3","3","1","7","7","3","1") = "6"
    & skf21("5","3","3","1","7","7","4","1") = "6"
    & skf21("5","3","3","1","7","7","5","1") = "6"
    & skf21("5","3","3","1","7","7","6","1") = "6"
    & skf21("5","3","3","1","7","7","7","1") = "6"
    & skf21("5","3","3","2","1","1","1","1") = "4"
    & skf21("5","3","3","2","1","1","2","1") = "4"
    & skf21("5","3","3","2","1","1","3","1") = "4"
    & skf21("5","3","3","2","1","1","4","1") = "4"
    & skf21("5","3","3","2","1","1","5","1") = "4"
    & skf21("5","3","3","2","1","1","6","1") = "5"
    & skf21("5","3","3","2","1","1","7","1") = "6"
    & skf21("5","3","3","2","1","2","1","1") = "4"
    & skf21("5","3","3","2","1","2","2","1") = "4"
    & skf21("5","3","3","2","1","2","3","1") = "4"
    & skf21("5","3","3","2","1","2","4","1") = "4"
    & skf21("5","3","3","2","1","2","5","1") = "4"
    & skf21("5","3","3","2","1","2","6","1") = "5"
    & skf21("5","3","3","2","1","2","7","1") = "6"
    & skf21("5","3","3","2","1","3","1","1") = "4"
    & skf21("5","3","3","2","1","3","2","1") = "4"
    & skf21("5","3","3","2","1","3","3","1") = "4"
    & skf21("5","3","3","2","1","3","4","1") = "4"
    & skf21("5","3","3","2","1","3","5","1") = "4"
    & skf21("5","3","3","2","1","3","6","1") = "5"
    & skf21("5","3","3","2","1","3","7","1") = "6"
    & skf21("5","3","3","2","1","4","1","1") = "4"
    & skf21("5","3","3","2","1","4","2","1") = "4"
    & skf21("5","3","3","2","1","4","3","1") = "4"
    & skf21("5","3","3","2","1","4","4","1") = "4"
    & skf21("5","3","3","2","1","4","5","1") = "4"
    & skf21("5","3","3","2","1","4","6","1") = "5"
    & skf21("5","3","3","2","1","4","7","1") = "6"
    & skf21("5","3","3","2","1","5","1","1") = "4"
    & skf21("5","3","3","2","1","5","2","1") = "4"
    & skf21("5","3","3","2","1","5","3","1") = "4"
    & skf21("5","3","3","2","1","5","4","1") = "4"
    & skf21("5","3","3","2","1","5","5","1") = "4"
    & skf21("5","3","3","2","1","5","6","1") = "5"
    & skf21("5","3","3","2","1","5","7","1") = "6"
    & skf21("5","3","3","2","1","6","1","1") = "5"
    & skf21("5","3","3","2","1","6","2","1") = "5"
    & skf21("5","3","3","2","1","6","3","1") = "5"
    & skf21("5","3","3","2","1","6","4","1") = "5"
    & skf21("5","3","3","2","1","6","5","1") = "5"
    & skf21("5","3","3","2","1","6","6","1") = "5"
    & skf21("5","3","3","2","1","6","7","1") = "6"
    & skf21("5","3","3","2","1","7","1","1") = "6"
    & skf21("5","3","3","2","1","7","2","1") = "6"
    & skf21("5","3","3","2","1","7","3","1") = "6"
    & skf21("5","3","3","2","1","7","4","1") = "6"
    & skf21("5","3","3","2","1","7","5","1") = "6"
    & skf21("5","3","3","2","1","7","6","1") = "6"
    & skf21("5","3","3","2","1","7","7","1") = "6"
    & skf21("5","3","3","2","2","1","1","1") = "4"
    & skf21("5","3","3","2","2","1","2","1") = "4"
    & skf21("5","3","3","2","2","1","3","1") = "4"
    & skf21("5","3","3","2","2","1","4","1") = "4"
    & skf21("5","3","3","2","2","1","5","1") = "4"
    & skf21("5","3","3","2","2","1","6","1") = "5"
    & skf21("5","3","3","2","2","1","7","1") = "6"
    & skf21("5","3","3","2","2","2","1","1") = "4"
    & skf21("5","3","3","2","2","2","2","1") = "4"
    & skf21("5","3","3","2","2","2","3","1") = "4"
    & skf21("5","3","3","2","2","2","4","1") = "4"
    & skf21("5","3","3","2","2","2","5","1") = "4"
    & skf21("5","3","3","2","2","2","6","1") = "5"
    & skf21("5","3","3","2","2","2","7","1") = "6"
    & skf21("5","3","3","2","2","3","1","1") = "4"
    & skf21("5","3","3","2","2","3","2","1") = "4"
    & skf21("5","3","3","2","2","3","3","1") = "4"
    & skf21("5","3","3","2","2","3","4","1") = "4"
    & skf21("5","3","3","2","2","3","5","1") = "4"
    & skf21("5","3","3","2","2","3","6","1") = "5"
    & skf21("5","3","3","2","2","3","7","1") = "6"
    & skf21("5","3","3","2","2","4","1","1") = "4"
    & skf21("5","3","3","2","2","4","2","1") = "4"
    & skf21("5","3","3","2","2","4","3","1") = "4"
    & skf21("5","3","3","2","2","4","4","1") = "4"
    & skf21("5","3","3","2","2","4","5","1") = "4"
    & skf21("5","3","3","2","2","4","6","1") = "5"
    & skf21("5","3","3","2","2","4","7","1") = "6"
    & skf21("5","3","3","2","2","5","1","1") = "4"
    & skf21("5","3","3","2","2","5","2","1") = "4"
    & skf21("5","3","3","2","2","5","3","1") = "4"
    & skf21("5","3","3","2","2","5","4","1") = "4"
    & skf21("5","3","3","2","2","5","5","1") = "4"
    & skf21("5","3","3","2","2","5","6","1") = "5"
    & skf21("5","3","3","2","2","5","7","1") = "6"
    & skf21("5","3","3","2","2","6","1","1") = "5"
    & skf21("5","3","3","2","2","6","2","1") = "5"
    & skf21("5","3","3","2","2","6","3","1") = "5"
    & skf21("5","3","3","2","2","6","4","1") = "5"
    & skf21("5","3","3","2","2","6","5","1") = "5"
    & skf21("5","3","3","2","2","6","6","1") = "5"
    & skf21("5","3","3","2","2","6","7","1") = "6"
    & skf21("5","3","3","2","2","7","1","1") = "6"
    & skf21("5","3","3","2","2","7","2","1") = "6"
    & skf21("5","3","3","2","2","7","3","1") = "6"
    & skf21("5","3","3","2","2","7","4","1") = "6"
    & skf21("5","3","3","2","2","7","5","1") = "6"
    & skf21("5","3","3","2","2","7","6","1") = "6"
    & skf21("5","3","3","2","2","7","7","1") = "6"
    & skf21("5","3","3","2","3","1","1","1") = "4"
    & skf21("5","3","3","2","3","1","2","1") = "4"
    & skf21("5","3","3","2","3","1","3","1") = "4"
    & skf21("5","3","3","2","3","1","4","1") = "4"
    & skf21("5","3","3","2","3","1","5","1") = "4"
    & skf21("5","3","3","2","3","1","6","1") = "5"
    & skf21("5","3","3","2","3","1","7","1") = "6"
    & skf21("5","3","3","2","3","2","1","1") = "4"
    & skf21("5","3","3","2","3","2","2","1") = "4"
    & skf21("5","3","3","2","3","2","3","1") = "4"
    & skf21("5","3","3","2","3","2","4","1") = "4"
    & skf21("5","3","3","2","3","2","5","1") = "4"
    & skf21("5","3","3","2","3","2","6","1") = "5"
    & skf21("5","3","3","2","3","2","7","1") = "6"
    & skf21("5","3","3","2","3","3","1","1") = "4"
    & skf21("5","3","3","2","3","3","2","1") = "4"
    & skf21("5","3","3","2","3","3","3","1") = "4"
    & skf21("5","3","3","2","3","3","4","1") = "4"
    & skf21("5","3","3","2","3","3","5","1") = "4"
    & skf21("5","3","3","2","3","3","6","1") = "5"
    & skf21("5","3","3","2","3","3","7","1") = "6"
    & skf21("5","3","3","2","3","4","1","1") = "4"
    & skf21("5","3","3","2","3","4","2","1") = "4"
    & skf21("5","3","3","2","3","4","3","1") = "4"
    & skf21("5","3","3","2","3","4","4","1") = "4"
    & skf21("5","3","3","2","3","4","5","1") = "4"
    & skf21("5","3","3","2","3","4","6","1") = "5"
    & skf21("5","3","3","2","3","4","7","1") = "6"
    & skf21("5","3","3","2","3","5","1","1") = "4"
    & skf21("5","3","3","2","3","5","2","1") = "4"
    & skf21("5","3","3","2","3","5","3","1") = "4"
    & skf21("5","3","3","2","3","5","4","1") = "4"
    & skf21("5","3","3","2","3","5","5","1") = "4"
    & skf21("5","3","3","2","3","5","6","1") = "5"
    & skf21("5","3","3","2","3","5","7","1") = "6"
    & skf21("5","3","3","2","3","6","1","1") = "5"
    & skf21("5","3","3","2","3","6","2","1") = "5"
    & skf21("5","3","3","2","3","6","3","1") = "5"
    & skf21("5","3","3","2","3","6","4","1") = "5"
    & skf21("5","3","3","2","3","6","5","1") = "5"
    & skf21("5","3","3","2","3","6","6","1") = "5"
    & skf21("5","3","3","2","3","6","7","1") = "6"
    & skf21("5","3","3","2","3","7","1","1") = "6"
    & skf21("5","3","3","2","3","7","2","1") = "6"
    & skf21("5","3","3","2","3","7","3","1") = "6"
    & skf21("5","3","3","2","3","7","4","1") = "6"
    & skf21("5","3","3","2","3","7","5","1") = "6"
    & skf21("5","3","3","2","3","7","6","1") = "6"
    & skf21("5","3","3","2","3","7","7","1") = "6"
    & skf21("5","3","3","2","4","1","1","1") = "4"
    & skf21("5","3","3","2","4","1","2","1") = "4"
    & skf21("5","3","3","2","4","1","3","1") = "4"
    & skf21("5","3","3","2","4","1","4","1") = "4"
    & skf21("5","3","3","2","4","1","5","1") = "4"
    & skf21("5","3","3","2","4","1","6","1") = "5"
    & skf21("5","3","3","2","4","1","7","1") = "6"
    & skf21("5","3","3","2","4","2","1","1") = "4"
    & skf21("5","3","3","2","4","2","2","1") = "4"
    & skf21("5","3","3","2","4","2","3","1") = "4"
    & skf21("5","3","3","2","4","2","4","1") = "4"
    & skf21("5","3","3","2","4","2","5","1") = "4"
    & skf21("5","3","3","2","4","2","6","1") = "5"
    & skf21("5","3","3","2","4","2","7","1") = "6"
    & skf21("5","3","3","2","4","3","1","1") = "4"
    & skf21("5","3","3","2","4","3","2","1") = "4"
    & skf21("5","3","3","2","4","3","3","1") = "4"
    & skf21("5","3","3","2","4","3","4","1") = "4"
    & skf21("5","3","3","2","4","3","5","1") = "4"
    & skf21("5","3","3","2","4","3","6","1") = "5"
    & skf21("5","3","3","2","4","3","7","1") = "6"
    & skf21("5","3","3","2","4","4","1","1") = "4"
    & skf21("5","3","3","2","4","4","2","1") = "4"
    & skf21("5","3","3","2","4","4","3","1") = "4"
    & skf21("5","3","3","2","4","4","4","1") = "4"
    & skf21("5","3","3","2","4","4","5","1") = "4"
    & skf21("5","3","3","2","4","4","6","1") = "5"
    & skf21("5","3","3","2","4","4","7","1") = "6"
    & skf21("5","3","3","2","4","5","1","1") = "4"
    & skf21("5","3","3","2","4","5","2","1") = "4"
    & skf21("5","3","3","2","4","5","3","1") = "4"
    & skf21("5","3","3","2","4","5","4","1") = "4"
    & skf21("5","3","3","2","4","5","5","1") = "4"
    & skf21("5","3","3","2","4","5","6","1") = "5"
    & skf21("5","3","3","2","4","5","7","1") = "6"
    & skf21("5","3","3","2","4","6","1","1") = "5"
    & skf21("5","3","3","2","4","6","2","1") = "5"
    & skf21("5","3","3","2","4","6","3","1") = "5"
    & skf21("5","3","3","2","4","6","4","1") = "5"
    & skf21("5","3","3","2","4","6","5","1") = "5"
    & skf21("5","3","3","2","4","6","6","1") = "5"
    & skf21("5","3","3","2","4","6","7","1") = "6"
    & skf21("5","3","3","2","4","7","1","1") = "6"
    & skf21("5","3","3","2","4","7","2","1") = "6"
    & skf21("5","3","3","2","4","7","3","1") = "6"
    & skf21("5","3","3","2","4","7","4","1") = "6"
    & skf21("5","3","3","2","4","7","5","1") = "6"
    & skf21("5","3","3","2","4","7","6","1") = "6"
    & skf21("5","3","3","2","4","7","7","1") = "6"
    & skf21("5","3","3","2","5","1","1","1") = "4"
    & skf21("5","3","3","2","5","1","2","1") = "4"
    & skf21("5","3","3","2","5","1","3","1") = "4"
    & skf21("5","3","3","2","5","1","4","1") = "4"
    & skf21("5","3","3","2","5","1","5","1") = "4"
    & skf21("5","3","3","2","5","1","6","1") = "5"
    & skf21("5","3","3","2","5","1","7","1") = "6"
    & skf21("5","3","3","2","5","2","1","1") = "4"
    & skf21("5","3","3","2","5","2","2","1") = "4"
    & skf21("5","3","3","2","5","2","3","1") = "4"
    & skf21("5","3","3","2","5","2","4","1") = "4"
    & skf21("5","3","3","2","5","2","5","1") = "4"
    & skf21("5","3","3","2","5","2","6","1") = "5"
    & skf21("5","3","3","2","5","2","7","1") = "6"
    & skf21("5","3","3","2","5","3","1","1") = "4"
    & skf21("5","3","3","2","5","3","2","1") = "4"
    & skf21("5","3","3","2","5","3","3","1") = "4"
    & skf21("5","3","3","2","5","3","4","1") = "4"
    & skf21("5","3","3","2","5","3","5","1") = "4"
    & skf21("5","3","3","2","5","3","6","1") = "5"
    & skf21("5","3","3","2","5","3","7","1") = "6"
    & skf21("5","3","3","2","5","4","1","1") = "4"
    & skf21("5","3","3","2","5","4","2","1") = "4"
    & skf21("5","3","3","2","5","4","3","1") = "4"
    & skf21("5","3","3","2","5","4","4","1") = "4"
    & skf21("5","3","3","2","5","4","5","1") = "4"
    & skf21("5","3","3","2","5","4","6","1") = "5"
    & skf21("5","3","3","2","5","4","7","1") = "6"
    & skf21("5","3","3","2","5","5","1","1") = "4"
    & skf21("5","3","3","2","5","5","2","1") = "4"
    & skf21("5","3","3","2","5","5","3","1") = "4"
    & skf21("5","3","3","2","5","5","4","1") = "4"
    & skf21("5","3","3","2","5","5","5","1") = "4"
    & skf21("5","3","3","2","5","5","6","1") = "5"
    & skf21("5","3","3","2","5","5","7","1") = "6"
    & skf21("5","3","3","2","5","6","1","1") = "5"
    & skf21("5","3","3","2","5","6","2","1") = "5"
    & skf21("5","3","3","2","5","6","3","1") = "5"
    & skf21("5","3","3","2","5","6","4","1") = "5"
    & skf21("5","3","3","2","5","6","5","1") = "5"
    & skf21("5","3","3","2","5","6","6","1") = "5"
    & skf21("5","3","3","2","5","6","7","1") = "6"
    & skf21("5","3","3","2","5","7","1","1") = "6"
    & skf21("5","3","3","2","5","7","2","1") = "6"
    & skf21("5","3","3","2","5","7","3","1") = "6"
    & skf21("5","3","3","2","5","7","4","1") = "6"
    & skf21("5","3","3","2","5","7","5","1") = "6"
    & skf21("5","3","3","2","5","7","6","1") = "6"
    & skf21("5","3","3","2","5","7","7","1") = "6"
    & skf21("5","3","3","2","6","1","1","1") = "5"
    & skf21("5","3","3","2","6","1","2","1") = "5"
    & skf21("5","3","3","2","6","1","3","1") = "5"
    & skf21("5","3","3","2","6","1","4","1") = "5"
    & skf21("5","3","3","2","6","1","5","1") = "5"
    & skf21("5","3","3","2","6","1","6","1") = "5"
    & skf21("5","3","3","2","6","1","7","1") = "6"
    & skf21("5","3","3","2","6","2","1","1") = "5"
    & skf21("5","3","3","2","6","2","2","1") = "5"
    & skf21("5","3","3","2","6","2","3","1") = "5"
    & skf21("5","3","3","2","6","2","4","1") = "5"
    & skf21("5","3","3","2","6","2","5","1") = "5"
    & skf21("5","3","3","2","6","2","6","1") = "5"
    & skf21("5","3","3","2","6","2","7","1") = "6"
    & skf21("5","3","3","2","6","3","1","1") = "5"
    & skf21("5","3","3","2","6","3","2","1") = "5"
    & skf21("5","3","3","2","6","3","3","1") = "5"
    & skf21("5","3","3","2","6","3","4","1") = "5"
    & skf21("5","3","3","2","6","3","5","1") = "5"
    & skf21("5","3","3","2","6","3","6","1") = "5"
    & skf21("5","3","3","2","6","3","7","1") = "6"
    & skf21("5","3","3","2","6","4","1","1") = "5"
    & skf21("5","3","3","2","6","4","2","1") = "5"
    & skf21("5","3","3","2","6","4","3","1") = "5"
    & skf21("5","3","3","2","6","4","4","1") = "5"
    & skf21("5","3","3","2","6","4","5","1") = "5"
    & skf21("5","3","3","2","6","4","6","1") = "5"
    & skf21("5","3","3","2","6","4","7","1") = "6"
    & skf21("5","3","3","2","6","5","1","1") = "5"
    & skf21("5","3","3","2","6","5","2","1") = "5"
    & skf21("5","3","3","2","6","5","3","1") = "5"
    & skf21("5","3","3","2","6","5","4","1") = "5"
    & skf21("5","3","3","2","6","5","5","1") = "5"
    & skf21("5","3","3","2","6","5","6","1") = "5"
    & skf21("5","3","3","2","6","5","7","1") = "6"
    & skf21("5","3","3","2","6","6","1","1") = "5"
    & skf21("5","3","3","2","6","6","2","1") = "5"
    & skf21("5","3","3","2","6","6","3","1") = "5"
    & skf21("5","3","3","2","6","6","4","1") = "5"
    & skf21("5","3","3","2","6","6","5","1") = "5"
    & skf21("5","3","3","2","6","6","6","1") = "5"
    & skf21("5","3","3","2","6","6","7","1") = "6"
    & skf21("5","3","3","2","6","7","1","1") = "6"
    & skf21("5","3","3","2","6","7","2","1") = "6"
    & skf21("5","3","3","2","6","7","3","1") = "6"
    & skf21("5","3","3","2","6","7","4","1") = "6"
    & skf21("5","3","3","2","6","7","5","1") = "6"
    & skf21("5","3","3","2","6","7","6","1") = "6"
    & skf21("5","3","3","2","6","7","7","1") = "6"
    & skf21("5","3","3","2","7","1","1","1") = "6"
    & skf21("5","3","3","2","7","1","2","1") = "6"
    & skf21("5","3","3","2","7","1","3","1") = "6"
    & skf21("5","3","3","2","7","1","4","1") = "6"
    & skf21("5","3","3","2","7","1","5","1") = "6"
    & skf21("5","3","3","2","7","1","6","1") = "6"
    & skf21("5","3","3","2","7","1","7","1") = "6"
    & skf21("5","3","3","2","7","2","1","1") = "6"
    & skf21("5","3","3","2","7","2","2","1") = "6"
    & skf21("5","3","3","2","7","2","3","1") = "6"
    & skf21("5","3","3","2","7","2","4","1") = "6"
    & skf21("5","3","3","2","7","2","5","1") = "6"
    & skf21("5","3","3","2","7","2","6","1") = "6"
    & skf21("5","3","3","2","7","2","7","1") = "6"
    & skf21("5","3","3","2","7","3","1","1") = "6"
    & skf21("5","3","3","2","7","3","2","1") = "6"
    & skf21("5","3","3","2","7","3","3","1") = "6"
    & skf21("5","3","3","2","7","3","4","1") = "6"
    & skf21("5","3","3","2","7","3","5","1") = "6"
    & skf21("5","3","3","2","7","3","6","1") = "6"
    & skf21("5","3","3","2","7","3","7","1") = "6"
    & skf21("5","3","3","2","7","4","1","1") = "6"
    & skf21("5","3","3","2","7","4","2","1") = "6"
    & skf21("5","3","3","2","7","4","3","1") = "6"
    & skf21("5","3","3","2","7","4","4","1") = "6"
    & skf21("5","3","3","2","7","4","5","1") = "6"
    & skf21("5","3","3","2","7","4","6","1") = "6"
    & skf21("5","3","3","2","7","4","7","1") = "6"
    & skf21("5","3","3","2","7","5","1","1") = "6"
    & skf21("5","3","3","2","7","5","2","1") = "6"
    & skf21("5","3","3","2","7","5","3","1") = "6"
    & skf21("5","3","3","2","7","5","4","1") = "6"
    & skf21("5","3","3","2","7","5","5","1") = "6"
    & skf21("5","3","3","2","7","5","6","1") = "6"
    & skf21("5","3","3","2","7","5","7","1") = "6"
    & skf21("5","3","3","2","7","6","1","1") = "6"
    & skf21("5","3","3","2","7","6","2","1") = "6"
    & skf21("5","3","3","2","7","6","3","1") = "6"
    & skf21("5","3","3","2","7","6","4","1") = "6"
    & skf21("5","3","3","2","7","6","5","1") = "6"
    & skf21("5","3","3","2","7","6","6","1") = "6"
    & skf21("5","3","3","2","7","6","7","1") = "6"
    & skf21("5","3","3","2","7","7","1","1") = "6"
    & skf21("5","3","3","2","7","7","2","1") = "6"
    & skf21("5","3","3","2","7","7","3","1") = "6"
    & skf21("5","3","3","2","7","7","4","1") = "6"
    & skf21("5","3","3","2","7","7","5","1") = "6"
    & skf21("5","3","3","2","7","7","6","1") = "6"
    & skf21("5","3","3","2","7","7","7","1") = "6"
    & skf21("5","3","3","3","1","1","1","1") = "4"
    & skf21("5","3","3","3","1","1","2","1") = "4"
    & skf21("5","3","3","3","1","1","3","1") = "4"
    & skf21("5","3","3","3","1","1","4","1") = "4"
    & skf21("5","3","3","3","1","1","5","1") = "4"
    & skf21("5","3","3","3","1","1","6","1") = "5"
    & skf21("5","3","3","3","1","1","7","1") = "6"
    & skf21("5","3","3","3","1","2","1","1") = "4"
    & skf21("5","3","3","3","1","2","2","1") = "4"
    & skf21("5","3","3","3","1","2","3","1") = "4"
    & skf21("5","3","3","3","1","2","4","1") = "4"
    & skf21("5","3","3","3","1","2","5","1") = "4"
    & skf21("5","3","3","3","1","2","6","1") = "5"
    & skf21("5","3","3","3","1","2","7","1") = "6"
    & skf21("5","3","3","3","1","3","1","1") = "4"
    & skf21("5","3","3","3","1","3","2","1") = "4"
    & skf21("5","3","3","3","1","3","3","1") = "4"
    & skf21("5","3","3","3","1","3","4","1") = "4"
    & skf21("5","3","3","3","1","3","5","1") = "4"
    & skf21("5","3","3","3","1","3","6","1") = "5"
    & skf21("5","3","3","3","1","3","7","1") = "6"
    & skf21("5","3","3","3","1","4","1","1") = "4"
    & skf21("5","3","3","3","1","4","2","1") = "4"
    & skf21("5","3","3","3","1","4","3","1") = "4"
    & skf21("5","3","3","3","1","4","4","1") = "4"
    & skf21("5","3","3","3","1","4","5","1") = "4"
    & skf21("5","3","3","3","1","4","6","1") = "5"
    & skf21("5","3","3","3","1","4","7","1") = "6"
    & skf21("5","3","3","3","1","5","1","1") = "4"
    & skf21("5","3","3","3","1","5","2","1") = "4"
    & skf21("5","3","3","3","1","5","3","1") = "4"
    & skf21("5","3","3","3","1","5","4","1") = "4"
    & skf21("5","3","3","3","1","5","5","1") = "4"
    & skf21("5","3","3","3","1","5","6","1") = "5"
    & skf21("5","3","3","3","1","5","7","1") = "6"
    & skf21("5","3","3","3","1","6","1","1") = "5"
    & skf21("5","3","3","3","1","6","2","1") = "5"
    & skf21("5","3","3","3","1","6","3","1") = "5"
    & skf21("5","3","3","3","1","6","4","1") = "5"
    & skf21("5","3","3","3","1","6","5","1") = "5"
    & skf21("5","3","3","3","1","6","6","1") = "5"
    & skf21("5","3","3","3","1","6","7","1") = "6"
    & skf21("5","3","3","3","1","7","1","1") = "6"
    & skf21("5","3","3","3","1","7","2","1") = "6"
    & skf21("5","3","3","3","1","7","3","1") = "6"
    & skf21("5","3","3","3","1","7","4","1") = "6"
    & skf21("5","3","3","3","1","7","5","1") = "6"
    & skf21("5","3","3","3","1","7","6","1") = "6"
    & skf21("5","3","3","3","1","7","7","1") = "6"
    & skf21("5","3","3","3","2","1","1","1") = "4"
    & skf21("5","3","3","3","2","1","2","1") = "4"
    & skf21("5","3","3","3","2","1","3","1") = "4"
    & skf21("5","3","3","3","2","1","4","1") = "4"
    & skf21("5","3","3","3","2","1","5","1") = "4"
    & skf21("5","3","3","3","2","1","6","1") = "5"
    & skf21("5","3","3","3","2","1","7","1") = "6"
    & skf21("5","3","3","3","2","2","1","1") = "4"
    & skf21("5","3","3","3","2","2","2","1") = "4"
    & skf21("5","3","3","3","2","2","3","1") = "4"
    & skf21("5","3","3","3","2","2","4","1") = "4"
    & skf21("5","3","3","3","2","2","5","1") = "4"
    & skf21("5","3","3","3","2","2","6","1") = "5"
    & skf21("5","3","3","3","2","2","7","1") = "6"
    & skf21("5","3","3","3","2","3","1","1") = "4"
    & skf21("5","3","3","3","2","3","2","1") = "4"
    & skf21("5","3","3","3","2","3","3","1") = "4"
    & skf21("5","3","3","3","2","3","4","1") = "4"
    & skf21("5","3","3","3","2","3","5","1") = "4"
    & skf21("5","3","3","3","2","3","6","1") = "5"
    & skf21("5","3","3","3","2","3","7","1") = "6"
    & skf21("5","3","3","3","2","4","1","1") = "4"
    & skf21("5","3","3","3","2","4","2","1") = "4"
    & skf21("5","3","3","3","2","4","3","1") = "4"
    & skf21("5","3","3","3","2","4","4","1") = "4"
    & skf21("5","3","3","3","2","4","5","1") = "4"
    & skf21("5","3","3","3","2","4","6","1") = "5"
    & skf21("5","3","3","3","2","4","7","1") = "6"
    & skf21("5","3","3","3","2","5","1","1") = "4"
    & skf21("5","3","3","3","2","5","2","1") = "4"
    & skf21("5","3","3","3","2","5","3","1") = "4"
    & skf21("5","3","3","3","2","5","4","1") = "4"
    & skf21("5","3","3","3","2","5","5","1") = "4"
    & skf21("5","3","3","3","2","5","6","1") = "5"
    & skf21("5","3","3","3","2","5","7","1") = "6"
    & skf21("5","3","3","3","2","6","1","1") = "5"
    & skf21("5","3","3","3","2","6","2","1") = "5"
    & skf21("5","3","3","3","2","6","3","1") = "5"
    & skf21("5","3","3","3","2","6","4","1") = "5"
    & skf21("5","3","3","3","2","6","5","1") = "5"
    & skf21("5","3","3","3","2","6","6","1") = "5"
    & skf21("5","3","3","3","2","6","7","1") = "6"
    & skf21("5","3","3","3","2","7","1","1") = "6"
    & skf21("5","3","3","3","2","7","2","1") = "6"
    & skf21("5","3","3","3","2","7","3","1") = "6"
    & skf21("5","3","3","3","2","7","4","1") = "6"
    & skf21("5","3","3","3","2","7","5","1") = "6"
    & skf21("5","3","3","3","2","7","6","1") = "6"
    & skf21("5","3","3","3","2","7","7","1") = "6"
    & skf21("5","3","3","3","3","1","1","1") = "4"
    & skf21("5","3","3","3","3","1","2","1") = "4"
    & skf21("5","3","3","3","3","1","3","1") = "4"
    & skf21("5","3","3","3","3","1","4","1") = "4"
    & skf21("5","3","3","3","3","1","5","1") = "4"
    & skf21("5","3","3","3","3","1","6","1") = "5"
    & skf21("5","3","3","3","3","1","7","1") = "6"
    & skf21("5","3","3","3","3","2","1","1") = "4"
    & skf21("5","3","3","3","3","2","2","1") = "4"
    & skf21("5","3","3","3","3","2","3","1") = "4"
    & skf21("5","3","3","3","3","2","4","1") = "4"
    & skf21("5","3","3","3","3","2","5","1") = "4"
    & skf21("5","3","3","3","3","2","6","1") = "5"
    & skf21("5","3","3","3","3","2","7","1") = "6"
    & skf21("5","3","3","3","3","3","1","1") = "4"
    & skf21("5","3","3","3","3","3","2","1") = "4"
    & skf21("5","3","3","3","3","3","3","1") = "4"
    & skf21("5","3","3","3","3","3","4","1") = "4"
    & skf21("5","3","3","3","3","3","5","1") = "4"
    & skf21("5","3","3","3","3","3","6","1") = "5"
    & skf21("5","3","3","3","3","3","7","1") = "6"
    & skf21("5","3","3","3","3","4","1","1") = "4"
    & skf21("5","3","3","3","3","4","2","1") = "4"
    & skf21("5","3","3","3","3","4","3","1") = "4"
    & skf21("5","3","3","3","3","4","4","1") = "4"
    & skf21("5","3","3","3","3","4","5","1") = "4"
    & skf21("5","3","3","3","3","4","6","1") = "5"
    & skf21("5","3","3","3","3","4","7","1") = "6"
    & skf21("5","3","3","3","3","5","1","1") = "4"
    & skf21("5","3","3","3","3","5","2","1") = "4"
    & skf21("5","3","3","3","3","5","3","1") = "4"
    & skf21("5","3","3","3","3","5","4","1") = "4"
    & skf21("5","3","3","3","3","5","5","1") = "4"
    & skf21("5","3","3","3","3","5","6","1") = "5"
    & skf21("5","3","3","3","3","5","7","1") = "6"
    & skf21("5","3","3","3","3","6","1","1") = "5"
    & skf21("5","3","3","3","3","6","2","1") = "5"
    & skf21("5","3","3","3","3","6","3","1") = "5"
    & skf21("5","3","3","3","3","6","4","1") = "5"
    & skf21("5","3","3","3","3","6","5","1") = "5"
    & skf21("5","3","3","3","3","6","6","1") = "5"
    & skf21("5","3","3","3","3","6","7","1") = "6"
    & skf21("5","3","3","3","3","7","1","1") = "6"
    & skf21("5","3","3","3","3","7","2","1") = "6"
    & skf21("5","3","3","3","3","7","3","1") = "6"
    & skf21("5","3","3","3","3","7","4","1") = "6"
    & skf21("5","3","3","3","3","7","5","1") = "6"
    & skf21("5","3","3","3","3","7","6","1") = "6"
    & skf21("5","3","3","3","3","7","7","1") = "6"
    & skf21("5","3","3","3","4","1","1","1") = "4"
    & skf21("5","3","3","3","4","1","2","1") = "4"
    & skf21("5","3","3","3","4","1","3","1") = "4"
    & skf21("5","3","3","3","4","1","4","1") = "4"
    & skf21("5","3","3","3","4","1","5","1") = "4"
    & skf21("5","3","3","3","4","1","6","1") = "5"
    & skf21("5","3","3","3","4","1","7","1") = "6"
    & skf21("5","3","3","3","4","2","1","1") = "4"
    & skf21("5","3","3","3","4","2","2","1") = "4"
    & skf21("5","3","3","3","4","2","3","1") = "4"
    & skf21("5","3","3","3","4","2","4","1") = "4"
    & skf21("5","3","3","3","4","2","5","1") = "4"
    & skf21("5","3","3","3","4","2","6","1") = "5"
    & skf21("5","3","3","3","4","2","7","1") = "6"
    & skf21("5","3","3","3","4","3","1","1") = "4"
    & skf21("5","3","3","3","4","3","2","1") = "4"
    & skf21("5","3","3","3","4","3","3","1") = "4"
    & skf21("5","3","3","3","4","3","4","1") = "4"
    & skf21("5","3","3","3","4","3","5","1") = "4"
    & skf21("5","3","3","3","4","3","6","1") = "5"
    & skf21("5","3","3","3","4","3","7","1") = "6"
    & skf21("5","3","3","3","4","4","1","1") = "4"
    & skf21("5","3","3","3","4","4","2","1") = "4"
    & skf21("5","3","3","3","4","4","3","1") = "4"
    & skf21("5","3","3","3","4","4","4","1") = "4"
    & skf21("5","3","3","3","4","4","5","1") = "4"
    & skf21("5","3","3","3","4","4","6","1") = "5"
    & skf21("5","3","3","3","4","4","7","1") = "6"
    & skf21("5","3","3","3","4","5","1","1") = "4"
    & skf21("5","3","3","3","4","5","2","1") = "4"
    & skf21("5","3","3","3","4","5","3","1") = "4"
    & skf21("5","3","3","3","4","5","4","1") = "4"
    & skf21("5","3","3","3","4","5","5","1") = "4"
    & skf21("5","3","3","3","4","5","6","1") = "5"
    & skf21("5","3","3","3","4","5","7","1") = "6"
    & skf21("5","3","3","3","4","6","1","1") = "5"
    & skf21("5","3","3","3","4","6","2","1") = "5"
    & skf21("5","3","3","3","4","6","3","1") = "5"
    & skf21("5","3","3","3","4","6","4","1") = "5"
    & skf21("5","3","3","3","4","6","5","1") = "5"
    & skf21("5","3","3","3","4","6","6","1") = "5"
    & skf21("5","3","3","3","4","6","7","1") = "6"
    & skf21("5","3","3","3","4","7","1","1") = "6"
    & skf21("5","3","3","3","4","7","2","1") = "6"
    & skf21("5","3","3","3","4","7","3","1") = "6"
    & skf21("5","3","3","3","4","7","4","1") = "6"
    & skf21("5","3","3","3","4","7","5","1") = "6"
    & skf21("5","3","3","3","4","7","6","1") = "6"
    & skf21("5","3","3","3","4","7","7","1") = "6"
    & skf21("5","3","3","3","5","1","1","1") = "4"
    & skf21("5","3","3","3","5","1","2","1") = "4"
    & skf21("5","3","3","3","5","1","3","1") = "4"
    & skf21("5","3","3","3","5","1","4","1") = "4"
    & skf21("5","3","3","3","5","1","5","1") = "4"
    & skf21("5","3","3","3","5","1","6","1") = "5"
    & skf21("5","3","3","3","5","1","7","1") = "6"
    & skf21("5","3","3","3","5","2","1","1") = "4"
    & skf21("5","3","3","3","5","2","2","1") = "4"
    & skf21("5","3","3","3","5","2","3","1") = "4"
    & skf21("5","3","3","3","5","2","4","1") = "4"
    & skf21("5","3","3","3","5","2","5","1") = "4"
    & skf21("5","3","3","3","5","2","6","1") = "5"
    & skf21("5","3","3","3","5","2","7","1") = "6"
    & skf21("5","3","3","3","5","3","1","1") = "4"
    & skf21("5","3","3","3","5","3","2","1") = "4"
    & skf21("5","3","3","3","5","3","3","1") = "4"
    & skf21("5","3","3","3","5","3","4","1") = "4"
    & skf21("5","3","3","3","5","3","5","1") = "4"
    & skf21("5","3","3","3","5","3","6","1") = "5"
    & skf21("5","3","3","3","5","3","7","1") = "6"
    & skf21("5","3","3","3","5","4","1","1") = "4"
    & skf21("5","3","3","3","5","4","2","1") = "4"
    & skf21("5","3","3","3","5","4","3","1") = "4"
    & skf21("5","3","3","3","5","4","4","1") = "4"
    & skf21("5","3","3","3","5","4","5","1") = "4"
    & skf21("5","3","3","3","5","4","6","1") = "5"
    & skf21("5","3","3","3","5","4","7","1") = "6"
    & skf21("5","3","3","3","5","5","1","1") = "4"
    & skf21("5","3","3","3","5","5","2","1") = "4"
    & skf21("5","3","3","3","5","5","3","1") = "4"
    & skf21("5","3","3","3","5","5","4","1") = "4"
    & skf21("5","3","3","3","5","5","5","1") = "4"
    & skf21("5","3","3","3","5","5","6","1") = "5"
    & skf21("5","3","3","3","5","5","7","1") = "6"
    & skf21("5","3","3","3","5","6","1","1") = "5"
    & skf21("5","3","3","3","5","6","2","1") = "5"
    & skf21("5","3","3","3","5","6","3","1") = "5"
    & skf21("5","3","3","3","5","6","4","1") = "5"
    & skf21("5","3","3","3","5","6","5","1") = "5"
    & skf21("5","3","3","3","5","6","6","1") = "5"
    & skf21("5","3","3","3","5","6","7","1") = "6"
    & skf21("5","3","3","3","5","7","1","1") = "6"
    & skf21("5","3","3","3","5","7","2","1") = "6"
    & skf21("5","3","3","3","5","7","3","1") = "6"
    & skf21("5","3","3","3","5","7","4","1") = "6"
    & skf21("5","3","3","3","5","7","5","1") = "6"
    & skf21("5","3","3","3","5","7","6","1") = "6"
    & skf21("5","3","3","3","5","7","7","1") = "6"
    & skf21("5","3","3","3","6","1","1","1") = "5"
    & skf21("5","3","3","3","6","1","2","1") = "5"
    & skf21("5","3","3","3","6","1","3","1") = "5"
    & skf21("5","3","3","3","6","1","4","1") = "5"
    & skf21("5","3","3","3","6","1","5","1") = "5"
    & skf21("5","3","3","3","6","1","6","1") = "5"
    & skf21("5","3","3","3","6","1","7","1") = "6"
    & skf21("5","3","3","3","6","2","1","1") = "5"
    & skf21("5","3","3","3","6","2","2","1") = "5"
    & skf21("5","3","3","3","6","2","3","1") = "5"
    & skf21("5","3","3","3","6","2","4","1") = "5"
    & skf21("5","3","3","3","6","2","5","1") = "5"
    & skf21("5","3","3","3","6","2","6","1") = "5"
    & skf21("5","3","3","3","6","2","7","1") = "6"
    & skf21("5","3","3","3","6","3","1","1") = "5"
    & skf21("5","3","3","3","6","3","2","1") = "5"
    & skf21("5","3","3","3","6","3","3","1") = "5"
    & skf21("5","3","3","3","6","3","4","1") = "5"
    & skf21("5","3","3","3","6","3","5","1") = "5"
    & skf21("5","3","3","3","6","3","6","1") = "5"
    & skf21("5","3","3","3","6","3","7","1") = "6"
    & skf21("5","3","3","3","6","4","1","1") = "5"
    & skf21("5","3","3","3","6","4","2","1") = "5"
    & skf21("5","3","3","3","6","4","3","1") = "5"
    & skf21("5","3","3","3","6","4","4","1") = "5"
    & skf21("5","3","3","3","6","4","5","1") = "5"
    & skf21("5","3","3","3","6","4","6","1") = "5"
    & skf21("5","3","3","3","6","4","7","1") = "6"
    & skf21("5","3","3","3","6","5","1","1") = "5"
    & skf21("5","3","3","3","6","5","2","1") = "5"
    & skf21("5","3","3","3","6","5","3","1") = "5"
    & skf21("5","3","3","3","6","5","4","1") = "5"
    & skf21("5","3","3","3","6","5","5","1") = "5"
    & skf21("5","3","3","3","6","5","6","1") = "5"
    & skf21("5","3","3","3","6","5","7","1") = "6"
    & skf21("5","3","3","3","6","6","1","1") = "5"
    & skf21("5","3","3","3","6","6","2","1") = "5"
    & skf21("5","3","3","3","6","6","3","1") = "5"
    & skf21("5","3","3","3","6","6","4","1") = "5"
    & skf21("5","3","3","3","6","6","5","1") = "5"
    & skf21("5","3","3","3","6","6","6","1") = "5"
    & skf21("5","3","3","3","6","6","7","1") = "6"
    & skf21("5","3","3","3","6","7","1","1") = "6"
    & skf21("5","3","3","3","6","7","2","1") = "6"
    & skf21("5","3","3","3","6","7","3","1") = "6"
    & skf21("5","3","3","3","6","7","4","1") = "6"
    & skf21("5","3","3","3","6","7","5","1") = "6"
    & skf21("5","3","3","3","6","7","6","1") = "6"
    & skf21("5","3","3","3","6","7","7","1") = "6"
    & skf21("5","3","3","3","7","1","1","1") = "6"
    & skf21("5","3","3","3","7","1","2","1") = "6"
    & skf21("5","3","3","3","7","1","3","1") = "6"
    & skf21("5","3","3","3","7","1","4","1") = "6"
    & skf21("5","3","3","3","7","1","5","1") = "6"
    & skf21("5","3","3","3","7","1","6","1") = "6"
    & skf21("5","3","3","3","7","1","7","1") = "6"
    & skf21("5","3","3","3","7","2","1","1") = "6"
    & skf21("5","3","3","3","7","2","2","1") = "6"
    & skf21("5","3","3","3","7","2","3","1") = "6"
    & skf21("5","3","3","3","7","2","4","1") = "6"
    & skf21("5","3","3","3","7","2","5","1") = "6"
    & skf21("5","3","3","3","7","2","6","1") = "6"
    & skf21("5","3","3","3","7","2","7","1") = "6"
    & skf21("5","3","3","3","7","3","1","1") = "6"
    & skf21("5","3","3","3","7","3","2","1") = "6"
    & skf21("5","3","3","3","7","3","3","1") = "6"
    & skf21("5","3","3","3","7","3","4","1") = "6"
    & skf21("5","3","3","3","7","3","5","1") = "6"
    & skf21("5","3","3","3","7","3","6","1") = "6"
    & skf21("5","3","3","3","7","3","7","1") = "6"
    & skf21("5","3","3","3","7","4","1","1") = "6"
    & skf21("5","3","3","3","7","4","2","1") = "6"
    & skf21("5","3","3","3","7","4","3","1") = "6"
    & skf21("5","3","3","3","7","4","4","1") = "6"
    & skf21("5","3","3","3","7","4","5","1") = "6"
    & skf21("5","3","3","3","7","4","6","1") = "6"
    & skf21("5","3","3","3","7","4","7","1") = "6"
    & skf21("5","3","3","3","7","5","1","1") = "6"
    & skf21("5","3","3","3","7","5","2","1") = "6"
    & skf21("5","3","3","3","7","5","3","1") = "6"
    & skf21("5","3","3","3","7","5","4","1") = "6"
    & skf21("5","3","3","3","7","5","5","1") = "6"
    & skf21("5","3","3","3","7","5","6","1") = "6"
    & skf21("5","3","3","3","7","5","7","1") = "6"
    & skf21("5","3","3","3","7","6","1","1") = "6"
    & skf21("5","3","3","3","7","6","2","1") = "6"
    & skf21("5","3","3","3","7","6","3","1") = "6"
    & skf21("5","3","3","3","7","6","4","1") = "6"
    & skf21("5","3","3","3","7","6","5","1") = "6"
    & skf21("5","3","3","3","7","6","6","1") = "6"
    & skf21("5","3","3","3","7","6","7","1") = "6"
    & skf21("5","3","3","3","7","7","1","1") = "6"
    & skf21("5","3","3","3","7","7","2","1") = "6"
    & skf21("5","3","3","3","7","7","3","1") = "6"
    & skf21("5","3","3","3","7","7","4","1") = "6"
    & skf21("5","3","3","3","7","7","5","1") = "6"
    & skf21("5","3","3","3","7","7","6","1") = "6"
    & skf21("5","3","3","3","7","7","7","1") = "6"
    & skf21("5","3","3","4","1","1","1","1") = "4"
    & skf21("5","3","3","4","1","1","2","1") = "4"
    & skf21("5","3","3","4","1","1","3","1") = "4"
    & skf21("5","3","3","4","1","1","4","1") = "4"
    & skf21("5","3","3","4","1","1","5","1") = "4"
    & skf21("5","3","3","4","1","1","6","1") = "5"
    & skf21("5","3","3","4","1","1","7","1") = "6"
    & skf21("5","3","3","4","1","2","1","1") = "4"
    & skf21("5","3","3","4","1","2","2","1") = "4"
    & skf21("5","3","3","4","1","2","3","1") = "4"
    & skf21("5","3","3","4","1","2","4","1") = "4"
    & skf21("5","3","3","4","1","2","5","1") = "4"
    & skf21("5","3","3","4","1","2","6","1") = "5"
    & skf21("5","3","3","4","1","2","7","1") = "6"
    & skf21("5","3","3","4","1","3","1","1") = "4"
    & skf21("5","3","3","4","1","3","2","1") = "4"
    & skf21("5","3","3","4","1","3","3","1") = "4"
    & skf21("5","3","3","4","1","3","4","1") = "4"
    & skf21("5","3","3","4","1","3","5","1") = "4"
    & skf21("5","3","3","4","1","3","6","1") = "5"
    & skf21("5","3","3","4","1","3","7","1") = "6"
    & skf21("5","3","3","4","1","4","1","1") = "4"
    & skf21("5","3","3","4","1","4","2","1") = "4"
    & skf21("5","3","3","4","1","4","3","1") = "4"
    & skf21("5","3","3","4","1","4","4","1") = "4"
    & skf21("5","3","3","4","1","4","5","1") = "4"
    & skf21("5","3","3","4","1","4","6","1") = "5"
    & skf21("5","3","3","4","1","4","7","1") = "6"
    & skf21("5","3","3","4","1","5","1","1") = "4"
    & skf21("5","3","3","4","1","5","2","1") = "4"
    & skf21("5","3","3","4","1","5","3","1") = "4"
    & skf21("5","3","3","4","1","5","4","1") = "4"
    & skf21("5","3","3","4","1","5","5","1") = "4"
    & skf21("5","3","3","4","1","5","6","1") = "5"
    & skf21("5","3","3","4","1","5","7","1") = "6"
    & skf21("5","3","3","4","1","6","1","1") = "5"
    & skf21("5","3","3","4","1","6","2","1") = "5"
    & skf21("5","3","3","4","1","6","3","1") = "5"
    & skf21("5","3","3","4","1","6","4","1") = "5"
    & skf21("5","3","3","4","1","6","5","1") = "5"
    & skf21("5","3","3","4","1","6","6","1") = "5"
    & skf21("5","3","3","4","1","6","7","1") = "6"
    & skf21("5","3","3","4","1","7","1","1") = "6"
    & skf21("5","3","3","4","1","7","2","1") = "6"
    & skf21("5","3","3","4","1","7","3","1") = "6"
    & skf21("5","3","3","4","1","7","4","1") = "6"
    & skf21("5","3","3","4","1","7","5","1") = "6"
    & skf21("5","3","3","4","1","7","6","1") = "6"
    & skf21("5","3","3","4","1","7","7","1") = "6"
    & skf21("5","3","3","4","2","1","1","1") = "4"
    & skf21("5","3","3","4","2","1","2","1") = "4"
    & skf21("5","3","3","4","2","1","3","1") = "4"
    & skf21("5","3","3","4","2","1","4","1") = "4"
    & skf21("5","3","3","4","2","1","5","1") = "4"
    & skf21("5","3","3","4","2","1","6","1") = "5"
    & skf21("5","3","3","4","2","1","7","1") = "6"
    & skf21("5","3","3","4","2","2","1","1") = "4"
    & skf21("5","3","3","4","2","2","2","1") = "4"
    & skf21("5","3","3","4","2","2","3","1") = "4"
    & skf21("5","3","3","4","2","2","4","1") = "4"
    & skf21("5","3","3","4","2","2","5","1") = "4"
    & skf21("5","3","3","4","2","2","6","1") = "5"
    & skf21("5","3","3","4","2","2","7","1") = "6"
    & skf21("5","3","3","4","2","3","1","1") = "4"
    & skf21("5","3","3","4","2","3","2","1") = "4"
    & skf21("5","3","3","4","2","3","3","1") = "4"
    & skf21("5","3","3","4","2","3","4","1") = "4"
    & skf21("5","3","3","4","2","3","5","1") = "4"
    & skf21("5","3","3","4","2","3","6","1") = "5"
    & skf21("5","3","3","4","2","3","7","1") = "6"
    & skf21("5","3","3","4","2","4","1","1") = "4"
    & skf21("5","3","3","4","2","4","2","1") = "4"
    & skf21("5","3","3","4","2","4","3","1") = "4"
    & skf21("5","3","3","4","2","4","4","1") = "4"
    & skf21("5","3","3","4","2","4","5","1") = "4"
    & skf21("5","3","3","4","2","4","6","1") = "5"
    & skf21("5","3","3","4","2","4","7","1") = "6"
    & skf21("5","3","3","4","2","5","1","1") = "4"
    & skf21("5","3","3","4","2","5","2","1") = "4"
    & skf21("5","3","3","4","2","5","3","1") = "4"
    & skf21("5","3","3","4","2","5","4","1") = "4"
    & skf21("5","3","3","4","2","5","5","1") = "4"
    & skf21("5","3","3","4","2","5","6","1") = "5"
    & skf21("5","3","3","4","2","5","7","1") = "6"
    & skf21("5","3","3","4","2","6","1","1") = "5"
    & skf21("5","3","3","4","2","6","2","1") = "5"
    & skf21("5","3","3","4","2","6","3","1") = "5"
    & skf21("5","3","3","4","2","6","4","1") = "5"
    & skf21("5","3","3","4","2","6","5","1") = "5"
    & skf21("5","3","3","4","2","6","6","1") = "5"
    & skf21("5","3","3","4","2","6","7","1") = "6"
    & skf21("5","3","3","4","2","7","1","1") = "6"
    & skf21("5","3","3","4","2","7","2","1") = "6"
    & skf21("5","3","3","4","2","7","3","1") = "6"
    & skf21("5","3","3","4","2","7","4","1") = "6"
    & skf21("5","3","3","4","2","7","5","1") = "6"
    & skf21("5","3","3","4","2","7","6","1") = "6"
    & skf21("5","3","3","4","2","7","7","1") = "6"
    & skf21("5","3","3","4","3","1","1","1") = "4"
    & skf21("5","3","3","4","3","1","2","1") = "4"
    & skf21("5","3","3","4","3","1","3","1") = "4"
    & skf21("5","3","3","4","3","1","4","1") = "4"
    & skf21("5","3","3","4","3","1","5","1") = "4"
    & skf21("5","3","3","4","3","1","6","1") = "5"
    & skf21("5","3","3","4","3","1","7","1") = "6"
    & skf21("5","3","3","4","3","2","1","1") = "4"
    & skf21("5","3","3","4","3","2","2","1") = "4"
    & skf21("5","3","3","4","3","2","3","1") = "4"
    & skf21("5","3","3","4","3","2","4","1") = "4"
    & skf21("5","3","3","4","3","2","5","1") = "4"
    & skf21("5","3","3","4","3","2","6","1") = "5"
    & skf21("5","3","3","4","3","2","7","1") = "6"
    & skf21("5","3","3","4","3","3","1","1") = "4"
    & skf21("5","3","3","4","3","3","2","1") = "4"
    & skf21("5","3","3","4","3","3","3","1") = "4"
    & skf21("5","3","3","4","3","3","4","1") = "4"
    & skf21("5","3","3","4","3","3","5","1") = "4"
    & skf21("5","3","3","4","3","3","6","1") = "5"
    & skf21("5","3","3","4","3","3","7","1") = "6"
    & skf21("5","3","3","4","3","4","1","1") = "4"
    & skf21("5","3","3","4","3","4","2","1") = "4"
    & skf21("5","3","3","4","3","4","3","1") = "4"
    & skf21("5","3","3","4","3","4","4","1") = "4"
    & skf21("5","3","3","4","3","4","5","1") = "4"
    & skf21("5","3","3","4","3","4","6","1") = "5"
    & skf21("5","3","3","4","3","4","7","1") = "6"
    & skf21("5","3","3","4","3","5","1","1") = "4"
    & skf21("5","3","3","4","3","5","2","1") = "4"
    & skf21("5","3","3","4","3","5","3","1") = "4"
    & skf21("5","3","3","4","3","5","4","1") = "4"
    & skf21("5","3","3","4","3","5","5","1") = "4"
    & skf21("5","3","3","4","3","5","6","1") = "5"
    & skf21("5","3","3","4","3","5","7","1") = "6"
    & skf21("5","3","3","4","3","6","1","1") = "5"
    & skf21("5","3","3","4","3","6","2","1") = "5"
    & skf21("5","3","3","4","3","6","3","1") = "5"
    & skf21("5","3","3","4","3","6","4","1") = "5"
    & skf21("5","3","3","4","3","6","5","1") = "5"
    & skf21("5","3","3","4","3","6","6","1") = "5"
    & skf21("5","3","3","4","3","6","7","1") = "6"
    & skf21("5","3","3","4","3","7","1","1") = "6"
    & skf21("5","3","3","4","3","7","2","1") = "6"
    & skf21("5","3","3","4","3","7","3","1") = "6"
    & skf21("5","3","3","4","3","7","4","1") = "6"
    & skf21("5","3","3","4","3","7","5","1") = "6"
    & skf21("5","3","3","4","3","7","6","1") = "6"
    & skf21("5","3","3","4","3","7","7","1") = "6"
    & skf21("5","3","3","4","4","1","1","1") = "4"
    & skf21("5","3","3","4","4","1","2","1") = "4"
    & skf21("5","3","3","4","4","1","3","1") = "4"
    & skf21("5","3","3","4","4","1","4","1") = "4"
    & skf21("5","3","3","4","4","1","5","1") = "4"
    & skf21("5","3","3","4","4","1","6","1") = "5"
    & skf21("5","3","3","4","4","1","7","1") = "6"
    & skf21("5","3","3","4","4","2","1","1") = "4"
    & skf21("5","3","3","4","4","2","2","1") = "4"
    & skf21("5","3","3","4","4","2","3","1") = "4"
    & skf21("5","3","3","4","4","2","4","1") = "4"
    & skf21("5","3","3","4","4","2","5","1") = "4"
    & skf21("5","3","3","4","4","2","6","1") = "5"
    & skf21("5","3","3","4","4","2","7","1") = "6"
    & skf21("5","3","3","4","4","3","1","1") = "4"
    & skf21("5","3","3","4","4","3","2","1") = "4"
    & skf21("5","3","3","4","4","3","3","1") = "4"
    & skf21("5","3","3","4","4","3","4","1") = "4"
    & skf21("5","3","3","4","4","3","5","1") = "4"
    & skf21("5","3","3","4","4","3","6","1") = "5"
    & skf21("5","3","3","4","4","3","7","1") = "6"
    & skf21("5","3","3","4","4","4","1","1") = "4"
    & skf21("5","3","3","4","4","4","2","1") = "4"
    & skf21("5","3","3","4","4","4","3","1") = "4"
    & skf21("5","3","3","4","4","4","4","1") = "4"
    & skf21("5","3","3","4","4","4","5","1") = "4"
    & skf21("5","3","3","4","4","4","6","1") = "5"
    & skf21("5","3","3","4","4","4","7","1") = "6"
    & skf21("5","3","3","4","4","5","1","1") = "4"
    & skf21("5","3","3","4","4","5","2","1") = "4"
    & skf21("5","3","3","4","4","5","3","1") = "4"
    & skf21("5","3","3","4","4","5","4","1") = "4"
    & skf21("5","3","3","4","4","5","5","1") = "4"
    & skf21("5","3","3","4","4","5","6","1") = "5"
    & skf21("5","3","3","4","4","5","7","1") = "6"
    & skf21("5","3","3","4","4","6","1","1") = "5"
    & skf21("5","3","3","4","4","6","2","1") = "5"
    & skf21("5","3","3","4","4","6","3","1") = "5"
    & skf21("5","3","3","4","4","6","4","1") = "5"
    & skf21("5","3","3","4","4","6","5","1") = "5"
    & skf21("5","3","3","4","4","6","6","1") = "5"
    & skf21("5","3","3","4","4","6","7","1") = "6"
    & skf21("5","3","3","4","4","7","1","1") = "6"
    & skf21("5","3","3","4","4","7","2","1") = "6"
    & skf21("5","3","3","4","4","7","3","1") = "6"
    & skf21("5","3","3","4","4","7","4","1") = "6"
    & skf21("5","3","3","4","4","7","5","1") = "6"
    & skf21("5","3","3","4","4","7","6","1") = "6"
    & skf21("5","3","3","4","4","7","7","1") = "6"
    & skf21("5","3","3","4","5","1","1","1") = "4"
    & skf21("5","3","3","4","5","1","2","1") = "4"
    & skf21("5","3","3","4","5","1","3","1") = "4"
    & skf21("5","3","3","4","5","1","4","1") = "4"
    & skf21("5","3","3","4","5","1","5","1") = "4"
    & skf21("5","3","3","4","5","1","6","1") = "5"
    & skf21("5","3","3","4","5","1","7","1") = "6"
    & skf21("5","3","3","4","5","2","1","1") = "4"
    & skf21("5","3","3","4","5","2","2","1") = "4"
    & skf21("5","3","3","4","5","2","3","1") = "4"
    & skf21("5","3","3","4","5","2","4","1") = "4"
    & skf21("5","3","3","4","5","2","5","1") = "4"
    & skf21("5","3","3","4","5","2","6","1") = "5"
    & skf21("5","3","3","4","5","2","7","1") = "6"
    & skf21("5","3","3","4","5","3","1","1") = "4"
    & skf21("5","3","3","4","5","3","2","1") = "4"
    & skf21("5","3","3","4","5","3","3","1") = "4"
    & skf21("5","3","3","4","5","3","4","1") = "4"
    & skf21("5","3","3","4","5","3","5","1") = "4"
    & skf21("5","3","3","4","5","3","6","1") = "5"
    & skf21("5","3","3","4","5","3","7","1") = "6"
    & skf21("5","3","3","4","5","4","1","1") = "4"
    & skf21("5","3","3","4","5","4","2","1") = "4"
    & skf21("5","3","3","4","5","4","3","1") = "4"
    & skf21("5","3","3","4","5","4","4","1") = "4"
    & skf21("5","3","3","4","5","4","5","1") = "4"
    & skf21("5","3","3","4","5","4","6","1") = "5"
    & skf21("5","3","3","4","5","4","7","1") = "6"
    & skf21("5","3","3","4","5","5","1","1") = "4"
    & skf21("5","3","3","4","5","5","2","1") = "4"
    & skf21("5","3","3","4","5","5","3","1") = "4"
    & skf21("5","3","3","4","5","5","4","1") = "4"
    & skf21("5","3","3","4","5","5","5","1") = "4"
    & skf21("5","3","3","4","5","5","6","1") = "5"
    & skf21("5","3","3","4","5","5","7","1") = "6"
    & skf21("5","3","3","4","5","6","1","1") = "5"
    & skf21("5","3","3","4","5","6","2","1") = "5"
    & skf21("5","3","3","4","5","6","3","1") = "5"
    & skf21("5","3","3","4","5","6","4","1") = "5"
    & skf21("5","3","3","4","5","6","5","1") = "5"
    & skf21("5","3","3","4","5","6","6","1") = "5"
    & skf21("5","3","3","4","5","6","7","1") = "6"
    & skf21("5","3","3","4","5","7","1","1") = "6"
    & skf21("5","3","3","4","5","7","2","1") = "6"
    & skf21("5","3","3","4","5","7","3","1") = "6"
    & skf21("5","3","3","4","5","7","4","1") = "6"
    & skf21("5","3","3","4","5","7","5","1") = "6"
    & skf21("5","3","3","4","5","7","6","1") = "6"
    & skf21("5","3","3","4","5","7","7","1") = "6"
    & skf21("5","3","3","4","6","1","1","1") = "5"
    & skf21("5","3","3","4","6","1","2","1") = "5"
    & skf21("5","3","3","4","6","1","3","1") = "5"
    & skf21("5","3","3","4","6","1","4","1") = "5"
    & skf21("5","3","3","4","6","1","5","1") = "5"
    & skf21("5","3","3","4","6","1","6","1") = "5"
    & skf21("5","3","3","4","6","1","7","1") = "6"
    & skf21("5","3","3","4","6","2","1","1") = "5"
    & skf21("5","3","3","4","6","2","2","1") = "5"
    & skf21("5","3","3","4","6","2","3","1") = "5"
    & skf21("5","3","3","4","6","2","4","1") = "5"
    & skf21("5","3","3","4","6","2","5","1") = "5"
    & skf21("5","3","3","4","6","2","6","1") = "5"
    & skf21("5","3","3","4","6","2","7","1") = "6"
    & skf21("5","3","3","4","6","3","1","1") = "5"
    & skf21("5","3","3","4","6","3","2","1") = "5"
    & skf21("5","3","3","4","6","3","3","1") = "5"
    & skf21("5","3","3","4","6","3","4","1") = "5"
    & skf21("5","3","3","4","6","3","5","1") = "5"
    & skf21("5","3","3","4","6","3","6","1") = "5"
    & skf21("5","3","3","4","6","3","7","1") = "6"
    & skf21("5","3","3","4","6","4","1","1") = "5"
    & skf21("5","3","3","4","6","4","2","1") = "5"
    & skf21("5","3","3","4","6","4","3","1") = "5"
    & skf21("5","3","3","4","6","4","4","1") = "5"
    & skf21("5","3","3","4","6","4","5","1") = "5"
    & skf21("5","3","3","4","6","4","6","1") = "5"
    & skf21("5","3","3","4","6","4","7","1") = "6"
    & skf21("5","3","3","4","6","5","1","1") = "5"
    & skf21("5","3","3","4","6","5","2","1") = "5"
    & skf21("5","3","3","4","6","5","3","1") = "5"
    & skf21("5","3","3","4","6","5","4","1") = "5"
    & skf21("5","3","3","4","6","5","5","1") = "5"
    & skf21("5","3","3","4","6","5","6","1") = "5"
    & skf21("5","3","3","4","6","5","7","1") = "6"
    & skf21("5","3","3","4","6","6","1","1") = "5"
    & skf21("5","3","3","4","6","6","2","1") = "5"
    & skf21("5","3","3","4","6","6","3","1") = "5"
    & skf21("5","3","3","4","6","6","4","1") = "5"
    & skf21("5","3","3","4","6","6","5","1") = "5"
    & skf21("5","3","3","4","6","6","6","1") = "5"
    & skf21("5","3","3","4","6","6","7","1") = "6"
    & skf21("5","3","3","4","6","7","1","1") = "6"
    & skf21("5","3","3","4","6","7","2","1") = "6"
    & skf21("5","3","3","4","6","7","3","1") = "6"
    & skf21("5","3","3","4","6","7","4","1") = "6"
    & skf21("5","3","3","4","6","7","5","1") = "6"
    & skf21("5","3","3","4","6","7","6","1") = "6"
    & skf21("5","3","3","4","6","7","7","1") = "6"
    & skf21("5","3","3","4","7","1","1","1") = "6"
    & skf21("5","3","3","4","7","1","2","1") = "6"
    & skf21("5","3","3","4","7","1","3","1") = "6"
    & skf21("5","3","3","4","7","1","4","1") = "6"
    & skf21("5","3","3","4","7","1","5","1") = "6"
    & skf21("5","3","3","4","7","1","6","1") = "6"
    & skf21("5","3","3","4","7","1","7","1") = "6"
    & skf21("5","3","3","4","7","2","1","1") = "6"
    & skf21("5","3","3","4","7","2","2","1") = "6"
    & skf21("5","3","3","4","7","2","3","1") = "6"
    & skf21("5","3","3","4","7","2","4","1") = "6"
    & skf21("5","3","3","4","7","2","5","1") = "6"
    & skf21("5","3","3","4","7","2","6","1") = "6"
    & skf21("5","3","3","4","7","2","7","1") = "6"
    & skf21("5","3","3","4","7","3","1","1") = "6"
    & skf21("5","3","3","4","7","3","2","1") = "6"
    & skf21("5","3","3","4","7","3","3","1") = "6"
    & skf21("5","3","3","4","7","3","4","1") = "6"
    & skf21("5","3","3","4","7","3","5","1") = "6"
    & skf21("5","3","3","4","7","3","6","1") = "6"
    & skf21("5","3","3","4","7","3","7","1") = "6"
    & skf21("5","3","3","4","7","4","1","1") = "6"
    & skf21("5","3","3","4","7","4","2","1") = "6"
    & skf21("5","3","3","4","7","4","3","1") = "6"
    & skf21("5","3","3","4","7","4","4","1") = "6"
    & skf21("5","3","3","4","7","4","5","1") = "6"
    & skf21("5","3","3","4","7","4","6","1") = "6"
    & skf21("5","3","3","4","7","4","7","1") = "6"
    & skf21("5","3","3","4","7","5","1","1") = "6"
    & skf21("5","3","3","4","7","5","2","1") = "6"
    & skf21("5","3","3","4","7","5","3","1") = "6"
    & skf21("5","3","3","4","7","5","4","1") = "6"
    & skf21("5","3","3","4","7","5","5","1") = "6"
    & skf21("5","3","3","4","7","5","6","1") = "6"
    & skf21("5","3","3","4","7","5","7","1") = "6"
    & skf21("5","3","3","4","7","6","1","1") = "6"
    & skf21("5","3","3","4","7","6","2","1") = "6"
    & skf21("5","3","3","4","7","6","3","1") = "6"
    & skf21("5","3","3","4","7","6","4","1") = "6"
    & skf21("5","3","3","4","7","6","5","1") = "6"
    & skf21("5","3","3","4","7","6","6","1") = "6"
    & skf21("5","3","3","4","7","6","7","1") = "6"
    & skf21("5","3","3","4","7","7","1","1") = "6"
    & skf21("5","3","3","4","7","7","2","1") = "6"
    & skf21("5","3","3","4","7","7","3","1") = "6"
    & skf21("5","3","3","4","7","7","4","1") = "6"
    & skf21("5","3","3","4","7","7","5","1") = "6"
    & skf21("5","3","3","4","7","7","6","1") = "6"
    & skf21("5","3","3","4","7","7","7","1") = "6"
    & skf21("5","3","3","5","1","1","1","1") = "4"
    & skf21("5","3","3","5","1","1","2","1") = "4"
    & skf21("5","3","3","5","1","1","3","1") = "4"
    & skf21("5","3","3","5","1","1","4","1") = "4"
    & skf21("5","3","3","5","1","1","5","1") = "4"
    & skf21("5","3","3","5","1","1","6","1") = "5"
    & skf21("5","3","3","5","1","1","7","1") = "6"
    & skf21("5","3","3","5","1","2","1","1") = "4"
    & skf21("5","3","3","5","1","2","2","1") = "4"
    & skf21("5","3","3","5","1","2","3","1") = "4"
    & skf21("5","3","3","5","1","2","4","1") = "4"
    & skf21("5","3","3","5","1","2","5","1") = "4"
    & skf21("5","3","3","5","1","2","6","1") = "5"
    & skf21("5","3","3","5","1","2","7","1") = "6"
    & skf21("5","3","3","5","1","3","1","1") = "4"
    & skf21("5","3","3","5","1","3","2","1") = "4"
    & skf21("5","3","3","5","1","3","3","1") = "4"
    & skf21("5","3","3","5","1","3","4","1") = "4"
    & skf21("5","3","3","5","1","3","5","1") = "4"
    & skf21("5","3","3","5","1","3","6","1") = "5"
    & skf21("5","3","3","5","1","3","7","1") = "6"
    & skf21("5","3","3","5","1","4","1","1") = "4"
    & skf21("5","3","3","5","1","4","2","1") = "4"
    & skf21("5","3","3","5","1","4","3","1") = "4"
    & skf21("5","3","3","5","1","4","4","1") = "4"
    & skf21("5","3","3","5","1","4","5","1") = "4"
    & skf21("5","3","3","5","1","4","6","1") = "5"
    & skf21("5","3","3","5","1","4","7","1") = "6"
    & skf21("5","3","3","5","1","5","1","1") = "4"
    & skf21("5","3","3","5","1","5","2","1") = "4"
    & skf21("5","3","3","5","1","5","3","1") = "4"
    & skf21("5","3","3","5","1","5","4","1") = "4"
    & skf21("5","3","3","5","1","5","5","1") = "4"
    & skf21("5","3","3","5","1","5","6","1") = "5"
    & skf21("5","3","3","5","1","5","7","1") = "6"
    & skf21("5","3","3","5","1","6","1","1") = "5"
    & skf21("5","3","3","5","1","6","2","1") = "5"
    & skf21("5","3","3","5","1","6","3","1") = "5"
    & skf21("5","3","3","5","1","6","4","1") = "5"
    & skf21("5","3","3","5","1","6","5","1") = "5"
    & skf21("5","3","3","5","1","6","6","1") = "5"
    & skf21("5","3","3","5","1","6","7","1") = "6"
    & skf21("5","3","3","5","1","7","1","1") = "6"
    & skf21("5","3","3","5","1","7","2","1") = "6"
    & skf21("5","3","3","5","1","7","3","1") = "6"
    & skf21("5","3","3","5","1","7","4","1") = "6"
    & skf21("5","3","3","5","1","7","5","1") = "6"
    & skf21("5","3","3","5","1","7","6","1") = "6"
    & skf21("5","3","3","5","1","7","7","1") = "6"
    & skf21("5","3","3","5","2","1","1","1") = "4"
    & skf21("5","3","3","5","2","1","2","1") = "4"
    & skf21("5","3","3","5","2","1","3","1") = "4"
    & skf21("5","3","3","5","2","1","4","1") = "4"
    & skf21("5","3","3","5","2","1","5","1") = "4"
    & skf21("5","3","3","5","2","1","6","1") = "5"
    & skf21("5","3","3","5","2","1","7","1") = "6"
    & skf21("5","3","3","5","2","2","1","1") = "4"
    & skf21("5","3","3","5","2","2","2","1") = "4"
    & skf21("5","3","3","5","2","2","3","1") = "4"
    & skf21("5","3","3","5","2","2","4","1") = "4"
    & skf21("5","3","3","5","2","2","5","1") = "4"
    & skf21("5","3","3","5","2","2","6","1") = "5"
    & skf21("5","3","3","5","2","2","7","1") = "6"
    & skf21("5","3","3","5","2","3","1","1") = "4"
    & skf21("5","3","3","5","2","3","2","1") = "4"
    & skf21("5","3","3","5","2","3","3","1") = "4"
    & skf21("5","3","3","5","2","3","4","1") = "4"
    & skf21("5","3","3","5","2","3","5","1") = "4"
    & skf21("5","3","3","5","2","3","6","1") = "5"
    & skf21("5","3","3","5","2","3","7","1") = "6"
    & skf21("5","3","3","5","2","4","1","1") = "4"
    & skf21("5","3","3","5","2","4","2","1") = "4"
    & skf21("5","3","3","5","2","4","3","1") = "4"
    & skf21("5","3","3","5","2","4","4","1") = "4"
    & skf21("5","3","3","5","2","4","5","1") = "4"
    & skf21("5","3","3","5","2","4","6","1") = "5"
    & skf21("5","3","3","5","2","4","7","1") = "6"
    & skf21("5","3","3","5","2","5","1","1") = "4"
    & skf21("5","3","3","5","2","5","2","1") = "4"
    & skf21("5","3","3","5","2","5","3","1") = "4"
    & skf21("5","3","3","5","2","5","4","1") = "4"
    & skf21("5","3","3","5","2","5","5","1") = "4"
    & skf21("5","3","3","5","2","5","6","1") = "5"
    & skf21("5","3","3","5","2","5","7","1") = "6"
    & skf21("5","3","3","5","2","6","1","1") = "5"
    & skf21("5","3","3","5","2","6","2","1") = "5"
    & skf21("5","3","3","5","2","6","3","1") = "5"
    & skf21("5","3","3","5","2","6","4","1") = "5"
    & skf21("5","3","3","5","2","6","5","1") = "5"
    & skf21("5","3","3","5","2","6","6","1") = "5"
    & skf21("5","3","3","5","2","6","7","1") = "6"
    & skf21("5","3","3","5","2","7","1","1") = "6"
    & skf21("5","3","3","5","2","7","2","1") = "6"
    & skf21("5","3","3","5","2","7","3","1") = "6"
    & skf21("5","3","3","5","2","7","4","1") = "6"
    & skf21("5","3","3","5","2","7","5","1") = "6"
    & skf21("5","3","3","5","2","7","6","1") = "6"
    & skf21("5","3","3","5","2","7","7","1") = "6"
    & skf21("5","3","3","5","3","1","1","1") = "4"
    & skf21("5","3","3","5","3","1","2","1") = "4"
    & skf21("5","3","3","5","3","1","3","1") = "4"
    & skf21("5","3","3","5","3","1","4","1") = "4"
    & skf21("5","3","3","5","3","1","5","1") = "4"
    & skf21("5","3","3","5","3","1","6","1") = "5"
    & skf21("5","3","3","5","3","1","7","1") = "6"
    & skf21("5","3","3","5","3","2","1","1") = "4"
    & skf21("5","3","3","5","3","2","2","1") = "4"
    & skf21("5","3","3","5","3","2","3","1") = "4"
    & skf21("5","3","3","5","3","2","4","1") = "4"
    & skf21("5","3","3","5","3","2","5","1") = "4"
    & skf21("5","3","3","5","3","2","6","1") = "5"
    & skf21("5","3","3","5","3","2","7","1") = "6"
    & skf21("5","3","3","5","3","3","1","1") = "4"
    & skf21("5","3","3","5","3","3","2","1") = "4"
    & skf21("5","3","3","5","3","3","3","1") = "4"
    & skf21("5","3","3","5","3","3","4","1") = "4"
    & skf21("5","3","3","5","3","3","5","1") = "4"
    & skf21("5","3","3","5","3","3","6","1") = "5"
    & skf21("5","3","3","5","3","3","7","1") = "6"
    & skf21("5","3","3","5","3","4","1","1") = "4"
    & skf21("5","3","3","5","3","4","2","1") = "4"
    & skf21("5","3","3","5","3","4","3","1") = "4"
    & skf21("5","3","3","5","3","4","4","1") = "4"
    & skf21("5","3","3","5","3","4","5","1") = "4"
    & skf21("5","3","3","5","3","4","6","1") = "5"
    & skf21("5","3","3","5","3","4","7","1") = "6"
    & skf21("5","3","3","5","3","5","1","1") = "4"
    & skf21("5","3","3","5","3","5","2","1") = "4"
    & skf21("5","3","3","5","3","5","3","1") = "4"
    & skf21("5","3","3","5","3","5","4","1") = "4"
    & skf21("5","3","3","5","3","5","5","1") = "4"
    & skf21("5","3","3","5","3","5","6","1") = "5"
    & skf21("5","3","3","5","3","5","7","1") = "6"
    & skf21("5","3","3","5","3","6","1","1") = "5"
    & skf21("5","3","3","5","3","6","2","1") = "5"
    & skf21("5","3","3","5","3","6","3","1") = "5"
    & skf21("5","3","3","5","3","6","4","1") = "5"
    & skf21("5","3","3","5","3","6","5","1") = "5"
    & skf21("5","3","3","5","3","6","6","1") = "5"
    & skf21("5","3","3","5","3","6","7","1") = "6"
    & skf21("5","3","3","5","3","7","1","1") = "6"
    & skf21("5","3","3","5","3","7","2","1") = "6"
    & skf21("5","3","3","5","3","7","3","1") = "6"
    & skf21("5","3","3","5","3","7","4","1") = "6"
    & skf21("5","3","3","5","3","7","5","1") = "6"
    & skf21("5","3","3","5","3","7","6","1") = "6"
    & skf21("5","3","3","5","3","7","7","1") = "6"
    & skf21("5","3","3","5","4","1","1","1") = "4"
    & skf21("5","3","3","5","4","1","2","1") = "4"
    & skf21("5","3","3","5","4","1","3","1") = "4"
    & skf21("5","3","3","5","4","1","4","1") = "4"
    & skf21("5","3","3","5","4","1","5","1") = "4"
    & skf21("5","3","3","5","4","1","6","1") = "5"
    & skf21("5","3","3","5","4","1","7","1") = "6"
    & skf21("5","3","3","5","4","2","1","1") = "4"
    & skf21("5","3","3","5","4","2","2","1") = "4"
    & skf21("5","3","3","5","4","2","3","1") = "4"
    & skf21("5","3","3","5","4","2","4","1") = "4"
    & skf21("5","3","3","5","4","2","5","1") = "4"
    & skf21("5","3","3","5","4","2","6","1") = "5"
    & skf21("5","3","3","5","4","2","7","1") = "6"
    & skf21("5","3","3","5","4","3","1","1") = "4"
    & skf21("5","3","3","5","4","3","2","1") = "4"
    & skf21("5","3","3","5","4","3","3","1") = "4"
    & skf21("5","3","3","5","4","3","4","1") = "4"
    & skf21("5","3","3","5","4","3","5","1") = "4"
    & skf21("5","3","3","5","4","3","6","1") = "5"
    & skf21("5","3","3","5","4","3","7","1") = "6"
    & skf21("5","3","3","5","4","4","1","1") = "4"
    & skf21("5","3","3","5","4","4","2","1") = "4"
    & skf21("5","3","3","5","4","4","3","1") = "4"
    & skf21("5","3","3","5","4","4","4","1") = "4"
    & skf21("5","3","3","5","4","4","5","1") = "4"
    & skf21("5","3","3","5","4","4","6","1") = "5"
    & skf21("5","3","3","5","4","4","7","1") = "6"
    & skf21("5","3","3","5","4","5","1","1") = "4"
    & skf21("5","3","3","5","4","5","2","1") = "4"
    & skf21("5","3","3","5","4","5","3","1") = "4"
    & skf21("5","3","3","5","4","5","4","1") = "4"
    & skf21("5","3","3","5","4","5","5","1") = "4"
    & skf21("5","3","3","5","4","5","6","1") = "5"
    & skf21("5","3","3","5","4","5","7","1") = "6"
    & skf21("5","3","3","5","4","6","1","1") = "5"
    & skf21("5","3","3","5","4","6","2","1") = "5"
    & skf21("5","3","3","5","4","6","3","1") = "5"
    & skf21("5","3","3","5","4","6","4","1") = "5"
    & skf21("5","3","3","5","4","6","5","1") = "5"
    & skf21("5","3","3","5","4","6","6","1") = "5"
    & skf21("5","3","3","5","4","6","7","1") = "6"
    & skf21("5","3","3","5","4","7","1","1") = "6"
    & skf21("5","3","3","5","4","7","2","1") = "6"
    & skf21("5","3","3","5","4","7","3","1") = "6"
    & skf21("5","3","3","5","4","7","4","1") = "6"
    & skf21("5","3","3","5","4","7","5","1") = "6"
    & skf21("5","3","3","5","4","7","6","1") = "6"
    & skf21("5","3","3","5","4","7","7","1") = "6"
    & skf21("5","3","3","5","5","1","1","1") = "4"
    & skf21("5","3","3","5","5","1","2","1") = "4"
    & skf21("5","3","3","5","5","1","3","1") = "4"
    & skf21("5","3","3","5","5","1","4","1") = "4"
    & skf21("5","3","3","5","5","1","5","1") = "4"
    & skf21("5","3","3","5","5","1","6","1") = "5"
    & skf21("5","3","3","5","5","1","7","1") = "6"
    & skf21("5","3","3","5","5","2","1","1") = "4"
    & skf21("5","3","3","5","5","2","2","1") = "4"
    & skf21("5","3","3","5","5","2","3","1") = "4"
    & skf21("5","3","3","5","5","2","4","1") = "4"
    & skf21("5","3","3","5","5","2","5","1") = "4"
    & skf21("5","3","3","5","5","2","6","1") = "5"
    & skf21("5","3","3","5","5","2","7","1") = "6"
    & skf21("5","3","3","5","5","3","1","1") = "4"
    & skf21("5","3","3","5","5","3","2","1") = "4"
    & skf21("5","3","3","5","5","3","3","1") = "4"
    & skf21("5","3","3","5","5","3","4","1") = "4"
    & skf21("5","3","3","5","5","3","5","1") = "4"
    & skf21("5","3","3","5","5","3","6","1") = "5"
    & skf21("5","3","3","5","5","3","7","1") = "6"
    & skf21("5","3","3","5","5","4","1","1") = "4"
    & skf21("5","3","3","5","5","4","2","1") = "4"
    & skf21("5","3","3","5","5","4","3","1") = "4"
    & skf21("5","3","3","5","5","4","4","1") = "4"
    & skf21("5","3","3","5","5","4","5","1") = "4"
    & skf21("5","3","3","5","5","4","6","1") = "5"
    & skf21("5","3","3","5","5","4","7","1") = "6"
    & skf21("5","3","3","5","5","5","1","1") = "4"
    & skf21("5","3","3","5","5","5","2","1") = "4"
    & skf21("5","3","3","5","5","5","3","1") = "4"
    & skf21("5","3","3","5","5","5","4","1") = "4"
    & skf21("5","3","3","5","5","5","5","1") = "4"
    & skf21("5","3","3","5","5","5","6","1") = "5"
    & skf21("5","3","3","5","5","5","7","1") = "6"
    & skf21("5","3","3","5","5","6","1","1") = "5"
    & skf21("5","3","3","5","5","6","2","1") = "5"
    & skf21("5","3","3","5","5","6","3","1") = "5"
    & skf21("5","3","3","5","5","6","4","1") = "5"
    & skf21("5","3","3","5","5","6","5","1") = "5"
    & skf21("5","3","3","5","5","6","6","1") = "5"
    & skf21("5","3","3","5","5","6","7","1") = "6"
    & skf21("5","3","3","5","5","7","1","1") = "6"
    & skf21("5","3","3","5","5","7","2","1") = "6"
    & skf21("5","3","3","5","5","7","3","1") = "6"
    & skf21("5","3","3","5","5","7","4","1") = "6"
    & skf21("5","3","3","5","5","7","5","1") = "6"
    & skf21("5","3","3","5","5","7","6","1") = "6"
    & skf21("5","3","3","5","5","7","7","1") = "6"
    & skf21("5","3","3","5","6","1","1","1") = "5"
    & skf21("5","3","3","5","6","1","2","1") = "5"
    & skf21("5","3","3","5","6","1","3","1") = "5"
    & skf21("5","3","3","5","6","1","4","1") = "5"
    & skf21("5","3","3","5","6","1","5","1") = "5"
    & skf21("5","3","3","5","6","1","6","1") = "5"
    & skf21("5","3","3","5","6","1","7","1") = "6"
    & skf21("5","3","3","5","6","2","1","1") = "5"
    & skf21("5","3","3","5","6","2","2","1") = "5"
    & skf21("5","3","3","5","6","2","3","1") = "5"
    & skf21("5","3","3","5","6","2","4","1") = "5"
    & skf21("5","3","3","5","6","2","5","1") = "5"
    & skf21("5","3","3","5","6","2","6","1") = "5"
    & skf21("5","3","3","5","6","2","7","1") = "6"
    & skf21("5","3","3","5","6","3","1","1") = "5"
    & skf21("5","3","3","5","6","3","2","1") = "5"
    & skf21("5","3","3","5","6","3","3","1") = "5"
    & skf21("5","3","3","5","6","3","4","1") = "5"
    & skf21("5","3","3","5","6","3","5","1") = "5"
    & skf21("5","3","3","5","6","3","6","1") = "5"
    & skf21("5","3","3","5","6","3","7","1") = "6"
    & skf21("5","3","3","5","6","4","1","1") = "5"
    & skf21("5","3","3","5","6","4","2","1") = "5"
    & skf21("5","3","3","5","6","4","3","1") = "5"
    & skf21("5","3","3","5","6","4","4","1") = "5"
    & skf21("5","3","3","5","6","4","5","1") = "5"
    & skf21("5","3","3","5","6","4","6","1") = "5"
    & skf21("5","3","3","5","6","4","7","1") = "6"
    & skf21("5","3","3","5","6","5","1","1") = "5"
    & skf21("5","3","3","5","6","5","2","1") = "5"
    & skf21("5","3","3","5","6","5","3","1") = "5"
    & skf21("5","3","3","5","6","5","4","1") = "5"
    & skf21("5","3","3","5","6","5","5","1") = "5"
    & skf21("5","3","3","5","6","5","6","1") = "5"
    & skf21("5","3","3","5","6","5","7","1") = "6"
    & skf21("5","3","3","5","6","6","1","1") = "5"
    & skf21("5","3","3","5","6","6","2","1") = "5"
    & skf21("5","3","3","5","6","6","3","1") = "5"
    & skf21("5","3","3","5","6","6","4","1") = "5"
    & skf21("5","3","3","5","6","6","5","1") = "5"
    & skf21("5","3","3","5","6","6","6","1") = "5"
    & skf21("5","3","3","5","6","6","7","1") = "6"
    & skf21("5","3","3","5","6","7","1","1") = "6"
    & skf21("5","3","3","5","6","7","2","1") = "6"
    & skf21("5","3","3","5","6","7","3","1") = "6"
    & skf21("5","3","3","5","6","7","4","1") = "6"
    & skf21("5","3","3","5","6","7","5","1") = "6"
    & skf21("5","3","3","5","6","7","6","1") = "6"
    & skf21("5","3","3","5","6","7","7","1") = "6"
    & skf21("5","3","3","5","7","1","1","1") = "6"
    & skf21("5","3","3","5","7","1","2","1") = "6"
    & skf21("5","3","3","5","7","1","3","1") = "6"
    & skf21("5","3","3","5","7","1","4","1") = "6"
    & skf21("5","3","3","5","7","1","5","1") = "6"
    & skf21("5","3","3","5","7","1","6","1") = "6"
    & skf21("5","3","3","5","7","1","7","1") = "6"
    & skf21("5","3","3","5","7","2","1","1") = "6"
    & skf21("5","3","3","5","7","2","2","1") = "6"
    & skf21("5","3","3","5","7","2","3","1") = "6"
    & skf21("5","3","3","5","7","2","4","1") = "6"
    & skf21("5","3","3","5","7","2","5","1") = "6"
    & skf21("5","3","3","5","7","2","6","1") = "6"
    & skf21("5","3","3","5","7","2","7","1") = "6"
    & skf21("5","3","3","5","7","3","1","1") = "6"
    & skf21("5","3","3","5","7","3","2","1") = "6"
    & skf21("5","3","3","5","7","3","3","1") = "6"
    & skf21("5","3","3","5","7","3","4","1") = "6"
    & skf21("5","3","3","5","7","3","5","1") = "6"
    & skf21("5","3","3","5","7","3","6","1") = "6"
    & skf21("5","3","3","5","7","3","7","1") = "6"
    & skf21("5","3","3","5","7","4","1","1") = "6"
    & skf21("5","3","3","5","7","4","2","1") = "6"
    & skf21("5","3","3","5","7","4","3","1") = "6"
    & skf21("5","3","3","5","7","4","4","1") = "6"
    & skf21("5","3","3","5","7","4","5","1") = "6"
    & skf21("5","3","3","5","7","4","6","1") = "6"
    & skf21("5","3","3","5","7","4","7","1") = "6"
    & skf21("5","3","3","5","7","5","1","1") = "6"
    & skf21("5","3","3","5","7","5","2","1") = "6"
    & skf21("5","3","3","5","7","5","3","1") = "6"
    & skf21("5","3","3","5","7","5","4","1") = "6"
    & skf21("5","3","3","5","7","5","5","1") = "6"
    & skf21("5","3","3","5","7","5","6","1") = "6"
    & skf21("5","3","3","5","7","5","7","1") = "6"
    & skf21("5","3","3","5","7","6","1","1") = "6"
    & skf21("5","3","3","5","7","6","2","1") = "6"
    & skf21("5","3","3","5","7","6","3","1") = "6"
    & skf21("5","3","3","5","7","6","4","1") = "6"
    & skf21("5","3","3","5","7","6","5","1") = "6"
    & skf21("5","3","3","5","7","6","6","1") = "6"
    & skf21("5","3","3","5","7","6","7","1") = "6"
    & skf21("5","3","3","5","7","7","1","1") = "6"
    & skf21("5","3","3","5","7","7","2","1") = "6"
    & skf21("5","3","3","5","7","7","3","1") = "6"
    & skf21("5","3","3","5","7","7","4","1") = "6"
    & skf21("5","3","3","5","7","7","5","1") = "6"
    & skf21("5","3","3","5","7","7","6","1") = "6"
    & skf21("5","3","3","5","7","7","7","1") = "6"
    & skf21("5","3","3","6","1","1","1","1") = "5"
    & skf21("5","3","3","6","1","1","2","1") = "5"
    & skf21("5","3","3","6","1","1","3","1") = "5"
    & skf21("5","3","3","6","1","1","4","1") = "5"
    & skf21("5","3","3","6","1","1","5","1") = "5"
    & skf21("5","3","3","6","1","1","6","1") = "5"
    & skf21("5","3","3","6","1","1","7","1") = "6"
    & skf21("5","3","3","6","1","2","1","1") = "5"
    & skf21("5","3","3","6","1","2","2","1") = "5"
    & skf21("5","3","3","6","1","2","3","1") = "5"
    & skf21("5","3","3","6","1","2","4","1") = "5"
    & skf21("5","3","3","6","1","2","5","1") = "5"
    & skf21("5","3","3","6","1","2","6","1") = "5"
    & skf21("5","3","3","6","1","2","7","1") = "6"
    & skf21("5","3","3","6","1","3","1","1") = "5"
    & skf21("5","3","3","6","1","3","2","1") = "5"
    & skf21("5","3","3","6","1","3","3","1") = "5"
    & skf21("5","3","3","6","1","3","4","1") = "5"
    & skf21("5","3","3","6","1","3","5","1") = "5"
    & skf21("5","3","3","6","1","3","6","1") = "5"
    & skf21("5","3","3","6","1","3","7","1") = "6"
    & skf21("5","3","3","6","1","4","1","1") = "5"
    & skf21("5","3","3","6","1","4","2","1") = "5"
    & skf21("5","3","3","6","1","4","3","1") = "5"
    & skf21("5","3","3","6","1","4","4","1") = "5"
    & skf21("5","3","3","6","1","4","5","1") = "5"
    & skf21("5","3","3","6","1","4","6","1") = "5"
    & skf21("5","3","3","6","1","4","7","1") = "6"
    & skf21("5","3","3","6","1","5","1","1") = "5"
    & skf21("5","3","3","6","1","5","2","1") = "5"
    & skf21("5","3","3","6","1","5","3","1") = "5"
    & skf21("5","3","3","6","1","5","4","1") = "5"
    & skf21("5","3","3","6","1","5","5","1") = "5"
    & skf21("5","3","3","6","1","5","6","1") = "5"
    & skf21("5","3","3","6","1","5","7","1") = "6"
    & skf21("5","3","3","6","1","6","1","1") = "5"
    & skf21("5","3","3","6","1","6","2","1") = "5"
    & skf21("5","3","3","6","1","6","3","1") = "5"
    & skf21("5","3","3","6","1","6","4","1") = "5"
    & skf21("5","3","3","6","1","6","5","1") = "5"
    & skf21("5","3","3","6","1","6","6","1") = "5"
    & skf21("5","3","3","6","1","6","7","1") = "6"
    & skf21("5","3","3","6","1","7","1","1") = "6"
    & skf21("5","3","3","6","1","7","2","1") = "6"
    & skf21("5","3","3","6","1","7","3","1") = "6"
    & skf21("5","3","3","6","1","7","4","1") = "6"
    & skf21("5","3","3","6","1","7","5","1") = "6"
    & skf21("5","3","3","6","1","7","6","1") = "6"
    & skf21("5","3","3","6","1","7","7","1") = "6"
    & skf21("5","3","3","6","2","1","1","1") = "5"
    & skf21("5","3","3","6","2","1","2","1") = "5"
    & skf21("5","3","3","6","2","1","3","1") = "5"
    & skf21("5","3","3","6","2","1","4","1") = "5"
    & skf21("5","3","3","6","2","1","5","1") = "5"
    & skf21("5","3","3","6","2","1","6","1") = "5"
    & skf21("5","3","3","6","2","1","7","1") = "6"
    & skf21("5","3","3","6","2","2","1","1") = "5"
    & skf21("5","3","3","6","2","2","2","1") = "5"
    & skf21("5","3","3","6","2","2","3","1") = "5"
    & skf21("5","3","3","6","2","2","4","1") = "5"
    & skf21("5","3","3","6","2","2","5","1") = "5"
    & skf21("5","3","3","6","2","2","6","1") = "5"
    & skf21("5","3","3","6","2","2","7","1") = "6"
    & skf21("5","3","3","6","2","3","1","1") = "5"
    & skf21("5","3","3","6","2","3","2","1") = "5"
    & skf21("5","3","3","6","2","3","3","1") = "5"
    & skf21("5","3","3","6","2","3","4","1") = "5"
    & skf21("5","3","3","6","2","3","5","1") = "5"
    & skf21("5","3","3","6","2","3","6","1") = "5"
    & skf21("5","3","3","6","2","3","7","1") = "6"
    & skf21("5","3","3","6","2","4","1","1") = "5"
    & skf21("5","3","3","6","2","4","2","1") = "5"
    & skf21("5","3","3","6","2","4","3","1") = "5"
    & skf21("5","3","3","6","2","4","4","1") = "5"
    & skf21("5","3","3","6","2","4","5","1") = "5"
    & skf21("5","3","3","6","2","4","6","1") = "5"
    & skf21("5","3","3","6","2","4","7","1") = "6"
    & skf21("5","3","3","6","2","5","1","1") = "5"
    & skf21("5","3","3","6","2","5","2","1") = "5"
    & skf21("5","3","3","6","2","5","3","1") = "5"
    & skf21("5","3","3","6","2","5","4","1") = "5"
    & skf21("5","3","3","6","2","5","5","1") = "5"
    & skf21("5","3","3","6","2","5","6","1") = "5"
    & skf21("5","3","3","6","2","5","7","1") = "6"
    & skf21("5","3","3","6","2","6","1","1") = "5"
    & skf21("5","3","3","6","2","6","2","1") = "5"
    & skf21("5","3","3","6","2","6","3","1") = "5"
    & skf21("5","3","3","6","2","6","4","1") = "5"
    & skf21("5","3","3","6","2","6","5","1") = "5"
    & skf21("5","3","3","6","2","6","6","1") = "5"
    & skf21("5","3","3","6","2","6","7","1") = "6"
    & skf21("5","3","3","6","2","7","1","1") = "6"
    & skf21("5","3","3","6","2","7","2","1") = "6"
    & skf21("5","3","3","6","2","7","3","1") = "6"
    & skf21("5","3","3","6","2","7","4","1") = "6"
    & skf21("5","3","3","6","2","7","5","1") = "6"
    & skf21("5","3","3","6","2","7","6","1") = "6"
    & skf21("5","3","3","6","2","7","7","1") = "6"
    & skf21("5","3","3","6","3","1","1","1") = "5"
    & skf21("5","3","3","6","3","1","2","1") = "5"
    & skf21("5","3","3","6","3","1","3","1") = "5"
    & skf21("5","3","3","6","3","1","4","1") = "5"
    & skf21("5","3","3","6","3","1","5","1") = "5"
    & skf21("5","3","3","6","3","1","6","1") = "5"
    & skf21("5","3","3","6","3","1","7","1") = "6"
    & skf21("5","3","3","6","3","2","1","1") = "5"
    & skf21("5","3","3","6","3","2","2","1") = "5"
    & skf21("5","3","3","6","3","2","3","1") = "5"
    & skf21("5","3","3","6","3","2","4","1") = "5"
    & skf21("5","3","3","6","3","2","5","1") = "5"
    & skf21("5","3","3","6","3","2","6","1") = "5"
    & skf21("5","3","3","6","3","2","7","1") = "6"
    & skf21("5","3","3","6","3","3","1","1") = "5"
    & skf21("5","3","3","6","3","3","2","1") = "5"
    & skf21("5","3","3","6","3","3","3","1") = "5"
    & skf21("5","3","3","6","3","3","4","1") = "5"
    & skf21("5","3","3","6","3","3","5","1") = "5"
    & skf21("5","3","3","6","3","3","6","1") = "5"
    & skf21("5","3","3","6","3","3","7","1") = "6"
    & skf21("5","3","3","6","3","4","1","1") = "5"
    & skf21("5","3","3","6","3","4","2","1") = "5"
    & skf21("5","3","3","6","3","4","3","1") = "5"
    & skf21("5","3","3","6","3","4","4","1") = "5"
    & skf21("5","3","3","6","3","4","5","1") = "5"
    & skf21("5","3","3","6","3","4","6","1") = "5"
    & skf21("5","3","3","6","3","4","7","1") = "6"
    & skf21("5","3","3","6","3","5","1","1") = "5"
    & skf21("5","3","3","6","3","5","2","1") = "5"
    & skf21("5","3","3","6","3","5","3","1") = "5"
    & skf21("5","3","3","6","3","5","4","1") = "5"
    & skf21("5","3","3","6","3","5","5","1") = "5"
    & skf21("5","3","3","6","3","5","6","1") = "5"
    & skf21("5","3","3","6","3","5","7","1") = "6"
    & skf21("5","3","3","6","3","6","1","1") = "5"
    & skf21("5","3","3","6","3","6","2","1") = "5"
    & skf21("5","3","3","6","3","6","3","1") = "5"
    & skf21("5","3","3","6","3","6","4","1") = "5"
    & skf21("5","3","3","6","3","6","5","1") = "5"
    & skf21("5","3","3","6","3","6","6","1") = "5"
    & skf21("5","3","3","6","3","6","7","1") = "6"
    & skf21("5","3","3","6","3","7","1","1") = "6"
    & skf21("5","3","3","6","3","7","2","1") = "6"
    & skf21("5","3","3","6","3","7","3","1") = "6"
    & skf21("5","3","3","6","3","7","4","1") = "6"
    & skf21("5","3","3","6","3","7","5","1") = "6"
    & skf21("5","3","3","6","3","7","6","1") = "6"
    & skf21("5","3","3","6","3","7","7","1") = "6"
    & skf21("5","3","3","6","4","1","1","1") = "5"
    & skf21("5","3","3","6","4","1","2","1") = "5"
    & skf21("5","3","3","6","4","1","3","1") = "5"
    & skf21("5","3","3","6","4","1","4","1") = "5"
    & skf21("5","3","3","6","4","1","5","1") = "5"
    & skf21("5","3","3","6","4","1","6","1") = "5"
    & skf21("5","3","3","6","4","1","7","1") = "6"
    & skf21("5","3","3","6","4","2","1","1") = "5"
    & skf21("5","3","3","6","4","2","2","1") = "5"
    & skf21("5","3","3","6","4","2","3","1") = "5"
    & skf21("5","3","3","6","4","2","4","1") = "5"
    & skf21("5","3","3","6","4","2","5","1") = "5"
    & skf21("5","3","3","6","4","2","6","1") = "5"
    & skf21("5","3","3","6","4","2","7","1") = "6"
    & skf21("5","3","3","6","4","3","1","1") = "5"
    & skf21("5","3","3","6","4","3","2","1") = "5"
    & skf21("5","3","3","6","4","3","3","1") = "5"
    & skf21("5","3","3","6","4","3","4","1") = "5"
    & skf21("5","3","3","6","4","3","5","1") = "5"
    & skf21("5","3","3","6","4","3","6","1") = "5"
    & skf21("5","3","3","6","4","3","7","1") = "6"
    & skf21("5","3","3","6","4","4","1","1") = "5"
    & skf21("5","3","3","6","4","4","2","1") = "5"
    & skf21("5","3","3","6","4","4","3","1") = "5"
    & skf21("5","3","3","6","4","4","4","1") = "5"
    & skf21("5","3","3","6","4","4","5","1") = "5"
    & skf21("5","3","3","6","4","4","6","1") = "5"
    & skf21("5","3","3","6","4","4","7","1") = "6"
    & skf21("5","3","3","6","4","5","1","1") = "5"
    & skf21("5","3","3","6","4","5","2","1") = "5"
    & skf21("5","3","3","6","4","5","3","1") = "5"
    & skf21("5","3","3","6","4","5","4","1") = "5"
    & skf21("5","3","3","6","4","5","5","1") = "5"
    & skf21("5","3","3","6","4","5","6","1") = "5"
    & skf21("5","3","3","6","4","5","7","1") = "6"
    & skf21("5","3","3","6","4","6","1","1") = "5"
    & skf21("5","3","3","6","4","6","2","1") = "5"
    & skf21("5","3","3","6","4","6","3","1") = "5"
    & skf21("5","3","3","6","4","6","4","1") = "5"
    & skf21("5","3","3","6","4","6","5","1") = "5"
    & skf21("5","3","3","6","4","6","6","1") = "5"
    & skf21("5","3","3","6","4","6","7","1") = "6"
    & skf21("5","3","3","6","4","7","1","1") = "6"
    & skf21("5","3","3","6","4","7","2","1") = "6"
    & skf21("5","3","3","6","4","7","3","1") = "6"
    & skf21("5","3","3","6","4","7","4","1") = "6"
    & skf21("5","3","3","6","4","7","5","1") = "6"
    & skf21("5","3","3","6","4","7","6","1") = "6"
    & skf21("5","3","3","6","4","7","7","1") = "6"
    & skf21("5","3","3","6","5","1","1","1") = "5"
    & skf21("5","3","3","6","5","1","2","1") = "5"
    & skf21("5","3","3","6","5","1","3","1") = "5"
    & skf21("5","3","3","6","5","1","4","1") = "5"
    & skf21("5","3","3","6","5","1","5","1") = "5"
    & skf21("5","3","3","6","5","1","6","1") = "5"
    & skf21("5","3","3","6","5","1","7","1") = "6"
    & skf21("5","3","3","6","5","2","1","1") = "5"
    & skf21("5","3","3","6","5","2","2","1") = "5"
    & skf21("5","3","3","6","5","2","3","1") = "5"
    & skf21("5","3","3","6","5","2","4","1") = "5"
    & skf21("5","3","3","6","5","2","5","1") = "5"
    & skf21("5","3","3","6","5","2","6","1") = "5"
    & skf21("5","3","3","6","5","2","7","1") = "6"
    & skf21("5","3","3","6","5","3","1","1") = "5"
    & skf21("5","3","3","6","5","3","2","1") = "5"
    & skf21("5","3","3","6","5","3","3","1") = "5"
    & skf21("5","3","3","6","5","3","4","1") = "5"
    & skf21("5","3","3","6","5","3","5","1") = "5"
    & skf21("5","3","3","6","5","3","6","1") = "5"
    & skf21("5","3","3","6","5","3","7","1") = "6"
    & skf21("5","3","3","6","5","4","1","1") = "5"
    & skf21("5","3","3","6","5","4","2","1") = "5"
    & skf21("5","3","3","6","5","4","3","1") = "5"
    & skf21("5","3","3","6","5","4","4","1") = "5"
    & skf21("5","3","3","6","5","4","5","1") = "5"
    & skf21("5","3","3","6","5","4","6","1") = "5"
    & skf21("5","3","3","6","5","4","7","1") = "6"
    & skf21("5","3","3","6","5","5","1","1") = "5"
    & skf21("5","3","3","6","5","5","2","1") = "5"
    & skf21("5","3","3","6","5","5","3","1") = "5"
    & skf21("5","3","3","6","5","5","4","1") = "5"
    & skf21("5","3","3","6","5","5","5","1") = "5"
    & skf21("5","3","3","6","5","5","6","1") = "5"
    & skf21("5","3","3","6","5","5","7","1") = "6"
    & skf21("5","3","3","6","5","6","1","1") = "5"
    & skf21("5","3","3","6","5","6","2","1") = "5"
    & skf21("5","3","3","6","5","6","3","1") = "5"
    & skf21("5","3","3","6","5","6","4","1") = "5"
    & skf21("5","3","3","6","5","6","5","1") = "5"
    & skf21("5","3","3","6","5","6","6","1") = "5"
    & skf21("5","3","3","6","5","6","7","1") = "6"
    & skf21("5","3","3","6","5","7","1","1") = "6"
    & skf21("5","3","3","6","5","7","2","1") = "6"
    & skf21("5","3","3","6","5","7","3","1") = "6"
    & skf21("5","3","3","6","5","7","4","1") = "6"
    & skf21("5","3","3","6","5","7","5","1") = "6"
    & skf21("5","3","3","6","5","7","6","1") = "6"
    & skf21("5","3","3","6","5","7","7","1") = "6"
    & skf21("5","3","3","6","6","1","1","1") = "5"
    & skf21("5","3","3","6","6","1","2","1") = "5"
    & skf21("5","3","3","6","6","1","3","1") = "5"
    & skf21("5","3","3","6","6","1","4","1") = "5"
    & skf21("5","3","3","6","6","1","5","1") = "5"
    & skf21("5","3","3","6","6","1","6","1") = "5"
    & skf21("5","3","3","6","6","1","7","1") = "6"
    & skf21("5","3","3","6","6","2","1","1") = "5"
    & skf21("5","3","3","6","6","2","2","1") = "5"
    & skf21("5","3","3","6","6","2","3","1") = "5"
    & skf21("5","3","3","6","6","2","4","1") = "5"
    & skf21("5","3","3","6","6","2","5","1") = "5"
    & skf21("5","3","3","6","6","2","6","1") = "5"
    & skf21("5","3","3","6","6","2","7","1") = "6"
    & skf21("5","3","3","6","6","3","1","1") = "5"
    & skf21("5","3","3","6","6","3","2","1") = "5"
    & skf21("5","3","3","6","6","3","3","1") = "5"
    & skf21("5","3","3","6","6","3","4","1") = "5"
    & skf21("5","3","3","6","6","3","5","1") = "5"
    & skf21("5","3","3","6","6","3","6","1") = "5"
    & skf21("5","3","3","6","6","3","7","1") = "6"
    & skf21("5","3","3","6","6","4","1","1") = "5"
    & skf21("5","3","3","6","6","4","2","1") = "5"
    & skf21("5","3","3","6","6","4","3","1") = "5"
    & skf21("5","3","3","6","6","4","4","1") = "5"
    & skf21("5","3","3","6","6","4","5","1") = "5"
    & skf21("5","3","3","6","6","4","6","1") = "5"
    & skf21("5","3","3","6","6","4","7","1") = "6"
    & skf21("5","3","3","6","6","5","1","1") = "5"
    & skf21("5","3","3","6","6","5","2","1") = "5"
    & skf21("5","3","3","6","6","5","3","1") = "5"
    & skf21("5","3","3","6","6","5","4","1") = "5"
    & skf21("5","3","3","6","6","5","5","1") = "5"
    & skf21("5","3","3","6","6","5","6","1") = "5"
    & skf21("5","3","3","6","6","5","7","1") = "6"
    & skf21("5","3","3","6","6","6","1","1") = "5"
    & skf21("5","3","3","6","6","6","2","1") = "5"
    & skf21("5","3","3","6","6","6","3","1") = "5"
    & skf21("5","3","3","6","6","6","4","1") = "5"
    & skf21("5","3","3","6","6","6","5","1") = "5"
    & skf21("5","3","3","6","6","6","6","1") = "5"
    & skf21("5","3","3","6","6","6","7","1") = "6"
    & skf21("5","3","3","6","6","7","1","1") = "6"
    & skf21("5","3","3","6","6","7","2","1") = "6"
    & skf21("5","3","3","6","6","7","3","1") = "6"
    & skf21("5","3","3","6","6","7","4","1") = "6"
    & skf21("5","3","3","6","6","7","5","1") = "6"
    & skf21("5","3","3","6","6","7","6","1") = "6"
    & skf21("5","3","3","6","6","7","7","1") = "6"
    & skf21("5","3","3","6","7","1","1","1") = "6"
    & skf21("5","3","3","6","7","1","2","1") = "6"
    & skf21("5","3","3","6","7","1","3","1") = "6"
    & skf21("5","3","3","6","7","1","4","1") = "6"
    & skf21("5","3","3","6","7","1","5","1") = "6"
    & skf21("5","3","3","6","7","1","6","1") = "6"
    & skf21("5","3","3","6","7","1","7","1") = "6"
    & skf21("5","3","3","6","7","2","1","1") = "6"
    & skf21("5","3","3","6","7","2","2","1") = "6"
    & skf21("5","3","3","6","7","2","3","1") = "6"
    & skf21("5","3","3","6","7","2","4","1") = "6"
    & skf21("5","3","3","6","7","2","5","1") = "6"
    & skf21("5","3","3","6","7","2","6","1") = "6"
    & skf21("5","3","3","6","7","2","7","1") = "6"
    & skf21("5","3","3","6","7","3","1","1") = "6"
    & skf21("5","3","3","6","7","3","2","1") = "6"
    & skf21("5","3","3","6","7","3","3","1") = "6"
    & skf21("5","3","3","6","7","3","4","1") = "6"
    & skf21("5","3","3","6","7","3","5","1") = "6"
    & skf21("5","3","3","6","7","3","6","1") = "6"
    & skf21("5","3","3","6","7","3","7","1") = "6"
    & skf21("5","3","3","6","7","4","1","1") = "6"
    & skf21("5","3","3","6","7","4","2","1") = "6"
    & skf21("5","3","3","6","7","4","3","1") = "6"
    & skf21("5","3","3","6","7","4","4","1") = "6"
    & skf21("5","3","3","6","7","4","5","1") = "6"
    & skf21("5","3","3","6","7","4","6","1") = "6"
    & skf21("5","3","3","6","7","4","7","1") = "6"
    & skf21("5","3","3","6","7","5","1","1") = "6"
    & skf21("5","3","3","6","7","5","2","1") = "6"
    & skf21("5","3","3","6","7","5","3","1") = "6"
    & skf21("5","3","3","6","7","5","4","1") = "6"
    & skf21("5","3","3","6","7","5","5","1") = "6"
    & skf21("5","3","3","6","7","5","6","1") = "6"
    & skf21("5","3","3","6","7","5","7","1") = "6"
    & skf21("5","3","3","6","7","6","1","1") = "6"
    & skf21("5","3","3","6","7","6","2","1") = "6"
    & skf21("5","3","3","6","7","6","3","1") = "6"
    & skf21("5","3","3","6","7","6","4","1") = "6"
    & skf21("5","3","3","6","7","6","5","1") = "6"
    & skf21("5","3","3","6","7","6","6","1") = "6"
    & skf21("5","3","3","6","7","6","7","1") = "6"
    & skf21("5","3","3","6","7","7","1","1") = "6"
    & skf21("5","3","3","6","7","7","2","1") = "6"
    & skf21("5","3","3","6","7","7","3","1") = "6"
    & skf21("5","3","3","6","7","7","4","1") = "6"
    & skf21("5","3","3","6","7","7","5","1") = "6"
    & skf21("5","3","3","6","7","7","6","1") = "6"
    & skf21("5","3","3","6","7","7","7","1") = "6"
    & skf21("5","3","3","7","1","1","1","1") = "6"
    & skf21("5","3","3","7","1","1","2","1") = "6"
    & skf21("5","3","3","7","1","1","3","1") = "6"
    & skf21("5","3","3","7","1","1","4","1") = "6"
    & skf21("5","3","3","7","1","1","5","1") = "6"
    & skf21("5","3","3","7","1","1","6","1") = "6"
    & skf21("5","3","3","7","1","1","7","1") = "6"
    & skf21("5","3","3","7","1","2","1","1") = "6"
    & skf21("5","3","3","7","1","2","2","1") = "6"
    & skf21("5","3","3","7","1","2","3","1") = "6"
    & skf21("5","3","3","7","1","2","4","1") = "6"
    & skf21("5","3","3","7","1","2","5","1") = "6"
    & skf21("5","3","3","7","1","2","6","1") = "6"
    & skf21("5","3","3","7","1","2","7","1") = "6"
    & skf21("5","3","3","7","1","3","1","1") = "6"
    & skf21("5","3","3","7","1","3","2","1") = "6"
    & skf21("5","3","3","7","1","3","3","1") = "6"
    & skf21("5","3","3","7","1","3","4","1") = "6"
    & skf21("5","3","3","7","1","3","5","1") = "6"
    & skf21("5","3","3","7","1","3","6","1") = "6"
    & skf21("5","3","3","7","1","3","7","1") = "6"
    & skf21("5","3","3","7","1","4","1","1") = "6"
    & skf21("5","3","3","7","1","4","2","1") = "6"
    & skf21("5","3","3","7","1","4","3","1") = "6"
    & skf21("5","3","3","7","1","4","4","1") = "6"
    & skf21("5","3","3","7","1","4","5","1") = "6"
    & skf21("5","3","3","7","1","4","6","1") = "6"
    & skf21("5","3","3","7","1","4","7","1") = "6"
    & skf21("5","3","3","7","1","5","1","1") = "6"
    & skf21("5","3","3","7","1","5","2","1") = "6"
    & skf21("5","3","3","7","1","5","3","1") = "6"
    & skf21("5","3","3","7","1","5","4","1") = "6"
    & skf21("5","3","3","7","1","5","5","1") = "6"
    & skf21("5","3","3","7","1","5","6","1") = "6"
    & skf21("5","3","3","7","1","5","7","1") = "6"
    & skf21("5","3","3","7","1","6","1","1") = "6"
    & skf21("5","3","3","7","1","6","2","1") = "6"
    & skf21("5","3","3","7","1","6","3","1") = "6"
    & skf21("5","3","3","7","1","6","4","1") = "6"
    & skf21("5","3","3","7","1","6","5","1") = "6"
    & skf21("5","3","3","7","1","6","6","1") = "6"
    & skf21("5","3","3","7","1","6","7","1") = "6"
    & skf21("5","3","3","7","1","7","1","1") = "6"
    & skf21("5","3","3","7","1","7","2","1") = "6"
    & skf21("5","3","3","7","1","7","3","1") = "6"
    & skf21("5","3","3","7","1","7","4","1") = "6"
    & skf21("5","3","3","7","1","7","5","1") = "6"
    & skf21("5","3","3","7","1","7","6","1") = "6"
    & skf21("5","3","3","7","1","7","7","1") = "6"
    & skf21("5","3","3","7","2","1","1","1") = "6"
    & skf21("5","3","3","7","2","1","2","1") = "6"
    & skf21("5","3","3","7","2","1","3","1") = "6"
    & skf21("5","3","3","7","2","1","4","1") = "6"
    & skf21("5","3","3","7","2","1","5","1") = "6"
    & skf21("5","3","3","7","2","1","6","1") = "6"
    & skf21("5","3","3","7","2","1","7","1") = "6"
    & skf21("5","3","3","7","2","2","1","1") = "6"
    & skf21("5","3","3","7","2","2","2","1") = "6"
    & skf21("5","3","3","7","2","2","3","1") = "6"
    & skf21("5","3","3","7","2","2","4","1") = "6"
    & skf21("5","3","3","7","2","2","5","1") = "6"
    & skf21("5","3","3","7","2","2","6","1") = "6"
    & skf21("5","3","3","7","2","2","7","1") = "6"
    & skf21("5","3","3","7","2","3","1","1") = "6"
    & skf21("5","3","3","7","2","3","2","1") = "6"
    & skf21("5","3","3","7","2","3","3","1") = "6"
    & skf21("5","3","3","7","2","3","4","1") = "6"
    & skf21("5","3","3","7","2","3","5","1") = "6"
    & skf21("5","3","3","7","2","3","6","1") = "6"
    & skf21("5","3","3","7","2","3","7","1") = "6"
    & skf21("5","3","3","7","2","4","1","1") = "6"
    & skf21("5","3","3","7","2","4","2","1") = "6"
    & skf21("5","3","3","7","2","4","3","1") = "6"
    & skf21("5","3","3","7","2","4","4","1") = "6"
    & skf21("5","3","3","7","2","4","5","1") = "6"
    & skf21("5","3","3","7","2","4","6","1") = "6"
    & skf21("5","3","3","7","2","4","7","1") = "6"
    & skf21("5","3","3","7","2","5","1","1") = "6"
    & skf21("5","3","3","7","2","5","2","1") = "6"
    & skf21("5","3","3","7","2","5","3","1") = "6"
    & skf21("5","3","3","7","2","5","4","1") = "6"
    & skf21("5","3","3","7","2","5","5","1") = "6"
    & skf21("5","3","3","7","2","5","6","1") = "6"
    & skf21("5","3","3","7","2","5","7","1") = "6"
    & skf21("5","3","3","7","2","6","1","1") = "6"
    & skf21("5","3","3","7","2","6","2","1") = "6"
    & skf21("5","3","3","7","2","6","3","1") = "6"
    & skf21("5","3","3","7","2","6","4","1") = "6"
    & skf21("5","3","3","7","2","6","5","1") = "6"
    & skf21("5","3","3","7","2","6","6","1") = "6"
    & skf21("5","3","3","7","2","6","7","1") = "6"
    & skf21("5","3","3","7","2","7","1","1") = "6"
    & skf21("5","3","3","7","2","7","2","1") = "6"
    & skf21("5","3","3","7","2","7","3","1") = "6"
    & skf21("5","3","3","7","2","7","4","1") = "6"
    & skf21("5","3","3","7","2","7","5","1") = "6"
    & skf21("5","3","3","7","2","7","6","1") = "6"
    & skf21("5","3","3","7","2","7","7","1") = "6"
    & skf21("5","3","3","7","3","1","1","1") = "6"
    & skf21("5","3","3","7","3","1","2","1") = "6"
    & skf21("5","3","3","7","3","1","3","1") = "6"
    & skf21("5","3","3","7","3","1","4","1") = "6"
    & skf21("5","3","3","7","3","1","5","1") = "6"
    & skf21("5","3","3","7","3","1","6","1") = "6"
    & skf21("5","3","3","7","3","1","7","1") = "6"
    & skf21("5","3","3","7","3","2","1","1") = "6"
    & skf21("5","3","3","7","3","2","2","1") = "6"
    & skf21("5","3","3","7","3","2","3","1") = "6"
    & skf21("5","3","3","7","3","2","4","1") = "6"
    & skf21("5","3","3","7","3","2","5","1") = "6"
    & skf21("5","3","3","7","3","2","6","1") = "6"
    & skf21("5","3","3","7","3","2","7","1") = "6"
    & skf21("5","3","3","7","3","3","1","1") = "6"
    & skf21("5","3","3","7","3","3","2","1") = "6"
    & skf21("5","3","3","7","3","3","3","1") = "6"
    & skf21("5","3","3","7","3","3","4","1") = "6"
    & skf21("5","3","3","7","3","3","5","1") = "6"
    & skf21("5","3","3","7","3","3","6","1") = "6"
    & skf21("5","3","3","7","3","3","7","1") = "6"
    & skf21("5","3","3","7","3","4","1","1") = "6"
    & skf21("5","3","3","7","3","4","2","1") = "6"
    & skf21("5","3","3","7","3","4","3","1") = "6"
    & skf21("5","3","3","7","3","4","4","1") = "6"
    & skf21("5","3","3","7","3","4","5","1") = "6"
    & skf21("5","3","3","7","3","4","6","1") = "6"
    & skf21("5","3","3","7","3","4","7","1") = "6"
    & skf21("5","3","3","7","3","5","1","1") = "6"
    & skf21("5","3","3","7","3","5","2","1") = "6"
    & skf21("5","3","3","7","3","5","3","1") = "6"
    & skf21("5","3","3","7","3","5","4","1") = "6"
    & skf21("5","3","3","7","3","5","5","1") = "6"
    & skf21("5","3","3","7","3","5","6","1") = "6"
    & skf21("5","3","3","7","3","5","7","1") = "6"
    & skf21("5","3","3","7","3","6","1","1") = "6"
    & skf21("5","3","3","7","3","6","2","1") = "6"
    & skf21("5","3","3","7","3","6","3","1") = "6"
    & skf21("5","3","3","7","3","6","4","1") = "6"
    & skf21("5","3","3","7","3","6","5","1") = "6"
    & skf21("5","3","3","7","3","6","6","1") = "6"
    & skf21("5","3","3","7","3","6","7","1") = "6"
    & skf21("5","3","3","7","3","7","1","1") = "6"
    & skf21("5","3","3","7","3","7","2","1") = "6"
    & skf21("5","3","3","7","3","7","3","1") = "6"
    & skf21("5","3","3","7","3","7","4","1") = "6"
    & skf21("5","3","3","7","3","7","5","1") = "6"
    & skf21("5","3","3","7","3","7","6","1") = "6"
    & skf21("5","3","3","7","3","7","7","1") = "6"
    & skf21("5","3","3","7","4","1","1","1") = "6"
    & skf21("5","3","3","7","4","1","2","1") = "6"
    & skf21("5","3","3","7","4","1","3","1") = "6"
    & skf21("5","3","3","7","4","1","4","1") = "6"
    & skf21("5","3","3","7","4","1","5","1") = "6"
    & skf21("5","3","3","7","4","1","6","1") = "6"
    & skf21("5","3","3","7","4","1","7","1") = "6"
    & skf21("5","3","3","7","4","2","1","1") = "6"
    & skf21("5","3","3","7","4","2","2","1") = "6"
    & skf21("5","3","3","7","4","2","3","1") = "6"
    & skf21("5","3","3","7","4","2","4","1") = "6"
    & skf21("5","3","3","7","4","2","5","1") = "6"
    & skf21("5","3","3","7","4","2","6","1") = "6"
    & skf21("5","3","3","7","4","2","7","1") = "6"
    & skf21("5","3","3","7","4","3","1","1") = "6"
    & skf21("5","3","3","7","4","3","2","1") = "6"
    & skf21("5","3","3","7","4","3","3","1") = "6"
    & skf21("5","3","3","7","4","3","4","1") = "6"
    & skf21("5","3","3","7","4","3","5","1") = "6"
    & skf21("5","3","3","7","4","3","6","1") = "6"
    & skf21("5","3","3","7","4","3","7","1") = "6"
    & skf21("5","3","3","7","4","4","1","1") = "6"
    & skf21("5","3","3","7","4","4","2","1") = "6"
    & skf21("5","3","3","7","4","4","3","1") = "6"
    & skf21("5","3","3","7","4","4","4","1") = "6"
    & skf21("5","3","3","7","4","4","5","1") = "6"
    & skf21("5","3","3","7","4","4","6","1") = "6"
    & skf21("5","3","3","7","4","4","7","1") = "6"
    & skf21("5","3","3","7","4","5","1","1") = "6"
    & skf21("5","3","3","7","4","5","2","1") = "6"
    & skf21("5","3","3","7","4","5","3","1") = "6"
    & skf21("5","3","3","7","4","5","4","1") = "6"
    & skf21("5","3","3","7","4","5","5","1") = "6"
    & skf21("5","3","3","7","4","5","6","1") = "6"
    & skf21("5","3","3","7","4","5","7","1") = "6"
    & skf21("5","3","3","7","4","6","1","1") = "6"
    & skf21("5","3","3","7","4","6","2","1") = "6"
    & skf21("5","3","3","7","4","6","3","1") = "6"
    & skf21("5","3","3","7","4","6","4","1") = "6"
    & skf21("5","3","3","7","4","6","5","1") = "6"
    & skf21("5","3","3","7","4","6","6","1") = "6"
    & skf21("5","3","3","7","4","6","7","1") = "6"
    & skf21("5","3","3","7","4","7","1","1") = "6"
    & skf21("5","3","3","7","4","7","2","1") = "6"
    & skf21("5","3","3","7","4","7","3","1") = "6"
    & skf21("5","3","3","7","4","7","4","1") = "6"
    & skf21("5","3","3","7","4","7","5","1") = "6"
    & skf21("5","3","3","7","4","7","6","1") = "6"
    & skf21("5","3","3","7","4","7","7","1") = "6"
    & skf21("5","3","3","7","5","1","1","1") = "6"
    & skf21("5","3","3","7","5","1","2","1") = "6"
    & skf21("5","3","3","7","5","1","3","1") = "6"
    & skf21("5","3","3","7","5","1","4","1") = "6"
    & skf21("5","3","3","7","5","1","5","1") = "6"
    & skf21("5","3","3","7","5","1","6","1") = "6"
    & skf21("5","3","3","7","5","1","7","1") = "6"
    & skf21("5","3","3","7","5","2","1","1") = "6"
    & skf21("5","3","3","7","5","2","2","1") = "6"
    & skf21("5","3","3","7","5","2","3","1") = "6"
    & skf21("5","3","3","7","5","2","4","1") = "6"
    & skf21("5","3","3","7","5","2","5","1") = "6"
    & skf21("5","3","3","7","5","2","6","1") = "6"
    & skf21("5","3","3","7","5","2","7","1") = "6"
    & skf21("5","3","3","7","5","3","1","1") = "6"
    & skf21("5","3","3","7","5","3","2","1") = "6"
    & skf21("5","3","3","7","5","3","3","1") = "6"
    & skf21("5","3","3","7","5","3","4","1") = "6"
    & skf21("5","3","3","7","5","3","5","1") = "6"
    & skf21("5","3","3","7","5","3","6","1") = "6"
    & skf21("5","3","3","7","5","3","7","1") = "6"
    & skf21("5","3","3","7","5","4","1","1") = "6"
    & skf21("5","3","3","7","5","4","2","1") = "6"
    & skf21("5","3","3","7","5","4","3","1") = "6"
    & skf21("5","3","3","7","5","4","4","1") = "6"
    & skf21("5","3","3","7","5","4","5","1") = "6"
    & skf21("5","3","3","7","5","4","6","1") = "6"
    & skf21("5","3","3","7","5","4","7","1") = "6"
    & skf21("5","3","3","7","5","5","1","1") = "6"
    & skf21("5","3","3","7","5","5","2","1") = "6"
    & skf21("5","3","3","7","5","5","3","1") = "6"
    & skf21("5","3","3","7","5","5","4","1") = "6"
    & skf21("5","3","3","7","5","5","5","1") = "6"
    & skf21("5","3","3","7","5","5","6","1") = "6"
    & skf21("5","3","3","7","5","5","7","1") = "6"
    & skf21("5","3","3","7","5","6","1","1") = "6"
    & skf21("5","3","3","7","5","6","2","1") = "6"
    & skf21("5","3","3","7","5","6","3","1") = "6"
    & skf21("5","3","3","7","5","6","4","1") = "6"
    & skf21("5","3","3","7","5","6","5","1") = "6"
    & skf21("5","3","3","7","5","6","6","1") = "6"
    & skf21("5","3","3","7","5","6","7","1") = "6"
    & skf21("5","3","3","7","5","7","1","1") = "6"
    & skf21("5","3","3","7","5","7","2","1") = "6"
    & skf21("5","3","3","7","5","7","3","1") = "6"
    & skf21("5","3","3","7","5","7","4","1") = "6"
    & skf21("5","3","3","7","5","7","5","1") = "6"
    & skf21("5","3","3","7","5","7","6","1") = "6"
    & skf21("5","3","3","7","5","7","7","1") = "6"
    & skf21("5","3","3","7","6","1","1","1") = "6"
    & skf21("5","3","3","7","6","1","2","1") = "6"
    & skf21("5","3","3","7","6","1","3","1") = "6"
    & skf21("5","3","3","7","6","1","4","1") = "6"
    & skf21("5","3","3","7","6","1","5","1") = "6"
    & skf21("5","3","3","7","6","1","6","1") = "6"
    & skf21("5","3","3","7","6","1","7","1") = "6"
    & skf21("5","3","3","7","6","2","1","1") = "6"
    & skf21("5","3","3","7","6","2","2","1") = "6"
    & skf21("5","3","3","7","6","2","3","1") = "6"
    & skf21("5","3","3","7","6","2","4","1") = "6"
    & skf21("5","3","3","7","6","2","5","1") = "6"
    & skf21("5","3","3","7","6","2","6","1") = "6"
    & skf21("5","3","3","7","6","2","7","1") = "6"
    & skf21("5","3","3","7","6","3","1","1") = "6"
    & skf21("5","3","3","7","6","3","2","1") = "6"
    & skf21("5","3","3","7","6","3","3","1") = "6"
    & skf21("5","3","3","7","6","3","4","1") = "6"
    & skf21("5","3","3","7","6","3","5","1") = "6"
    & skf21("5","3","3","7","6","3","6","1") = "6"
    & skf21("5","3","3","7","6","3","7","1") = "6"
    & skf21("5","3","3","7","6","4","1","1") = "6"
    & skf21("5","3","3","7","6","4","2","1") = "6"
    & skf21("5","3","3","7","6","4","3","1") = "6"
    & skf21("5","3","3","7","6","4","4","1") = "6"
    & skf21("5","3","3","7","6","4","5","1") = "6"
    & skf21("5","3","3","7","6","4","6","1") = "6"
    & skf21("5","3","3","7","6","4","7","1") = "6"
    & skf21("5","3","3","7","6","5","1","1") = "6"
    & skf21("5","3","3","7","6","5","2","1") = "6"
    & skf21("5","3","3","7","6","5","3","1") = "6"
    & skf21("5","3","3","7","6","5","4","1") = "6"
    & skf21("5","3","3","7","6","5","5","1") = "6"
    & skf21("5","3","3","7","6","5","6","1") = "6"
    & skf21("5","3","3","7","6","5","7","1") = "6"
    & skf21("5","3","3","7","6","6","1","1") = "6"
    & skf21("5","3","3","7","6","6","2","1") = "6"
    & skf21("5","3","3","7","6","6","3","1") = "6"
    & skf21("5","3","3","7","6","6","4","1") = "6"
    & skf21("5","3","3","7","6","6","5","1") = "6"
    & skf21("5","3","3","7","6","6","6","1") = "6"
    & skf21("5","3","3","7","6","6","7","1") = "6"
    & skf21("5","3","3","7","6","7","1","1") = "6"
    & skf21("5","3","3","7","6","7","2","1") = "6"
    & skf21("5","3","3","7","6","7","3","1") = "6"
    & skf21("5","3","3","7","6","7","4","1") = "6"
    & skf21("5","3","3","7","6","7","5","1") = "6"
    & skf21("5","3","3","7","6","7","6","1") = "6"
    & skf21("5","3","3","7","6","7","7","1") = "6"
    & skf21("5","3","3","7","7","1","1","1") = "6"
    & skf21("5","3","3","7","7","1","2","1") = "6"
    & skf21("5","3","3","7","7","1","3","1") = "6"
    & skf21("5","3","3","7","7","1","4","1") = "6"
    & skf21("5","3","3","7","7","1","5","1") = "6"
    & skf21("5","3","3","7","7","1","6","1") = "6"
    & skf21("5","3","3","7","7","1","7","1") = "6"
    & skf21("5","3","3","7","7","2","1","1") = "6"
    & skf21("5","3","3","7","7","2","2","1") = "6"
    & skf21("5","3","3","7","7","2","3","1") = "6"
    & skf21("5","3","3","7","7","2","4","1") = "6"
    & skf21("5","3","3","7","7","2","5","1") = "6"
    & skf21("5","3","3","7","7","2","6","1") = "6"
    & skf21("5","3","3","7","7","2","7","1") = "6"
    & skf21("5","3","3","7","7","3","1","1") = "6"
    & skf21("5","3","3","7","7","3","2","1") = "6"
    & skf21("5","3","3","7","7","3","3","1") = "6"
    & skf21("5","3","3","7","7","3","4","1") = "6"
    & skf21("5","3","3","7","7","3","5","1") = "6"
    & skf21("5","3","3","7","7","3","6","1") = "6"
    & skf21("5","3","3","7","7","3","7","1") = "6"
    & skf21("5","3","3","7","7","4","1","1") = "6"
    & skf21("5","3","3","7","7","4","2","1") = "6"
    & skf21("5","3","3","7","7","4","3","1") = "6"
    & skf21("5","3","3","7","7","4","4","1") = "6"
    & skf21("5","3","3","7","7","4","5","1") = "6"
    & skf21("5","3","3","7","7","4","6","1") = "6"
    & skf21("5","3","3","7","7","4","7","1") = "6"
    & skf21("5","3","3","7","7","5","1","1") = "6"
    & skf21("5","3","3","7","7","5","2","1") = "6"
    & skf21("5","3","3","7","7","5","3","1") = "6"
    & skf21("5","3","3","7","7","5","4","1") = "6"
    & skf21("5","3","3","7","7","5","5","1") = "6"
    & skf21("5","3","3","7","7","5","6","1") = "6"
    & skf21("5","3","3","7","7","5","7","1") = "6"
    & skf21("5","3","3","7","7","6","1","1") = "6"
    & skf21("5","3","3","7","7","6","2","1") = "6"
    & skf21("5","3","3","7","7","6","3","1") = "6"
    & skf21("5","3","3","7","7","6","4","1") = "6"
    & skf21("5","3","3","7","7","6","5","1") = "6"
    & skf21("5","3","3","7","7","6","6","1") = "6"
    & skf21("5","3","3","7","7","6","7","1") = "6"
    & skf21("5","3","3","7","7","7","1","1") = "6"
    & skf21("5","3","3","7","7","7","2","1") = "6"
    & skf21("5","3","3","7","7","7","3","1") = "6"
    & skf21("5","3","3","7","7","7","4","1") = "6"
    & skf21("5","3","3","7","7","7","5","1") = "6"
    & skf21("5","3","3","7","7","7","6","1") = "6"
    & skf21("5","3","3","7","7","7","7","1") = "6"
    & skf21("5","3","4","1","1","1","1","1") = "4"
    & skf21("5","3","4","1","1","1","2","1") = "4"
    & skf21("5","3","4","1","1","1","3","1") = "4"
    & skf21("5","3","4","1","1","1","4","1") = "4"
    & skf21("5","3","4","1","1","1","5","1") = "4"
    & skf21("5","3","4","1","1","1","6","1") = "5"
    & skf21("5","3","4","1","1","1","7","1") = "6"
    & skf21("5","3","4","1","1","2","1","1") = "4"
    & skf21("5","3","4","1","1","2","2","1") = "4"
    & skf21("5","3","4","1","1","2","3","1") = "4"
    & skf21("5","3","4","1","1","2","4","1") = "4"
    & skf21("5","3","4","1","1","2","5","1") = "4"
    & skf21("5","3","4","1","1","2","6","1") = "5"
    & skf21("5","3","4","1","1","2","7","1") = "6"
    & skf21("5","3","4","1","1","3","1","1") = "4"
    & skf21("5","3","4","1","1","3","2","1") = "4"
    & skf21("5","3","4","1","1","3","3","1") = "4"
    & skf21("5","3","4","1","1","3","4","1") = "4"
    & skf21("5","3","4","1","1","3","5","1") = "4"
    & skf21("5","3","4","1","1","3","6","1") = "5"
    & skf21("5","3","4","1","1","3","7","1") = "6"
    & skf21("5","3","4","1","1","4","1","1") = "4"
    & skf21("5","3","4","1","1","4","2","1") = "4"
    & skf21("5","3","4","1","1","4","3","1") = "4"
    & skf21("5","3","4","1","1","4","4","1") = "4"
    & skf21("5","3","4","1","1","4","5","1") = "4"
    & skf21("5","3","4","1","1","4","6","1") = "5"
    & skf21("5","3","4","1","1","4","7","1") = "6"
    & skf21("5","3","4","1","1","5","1","1") = "4"
    & skf21("5","3","4","1","1","5","2","1") = "4"
    & skf21("5","3","4","1","1","5","3","1") = "4"
    & skf21("5","3","4","1","1","5","4","1") = "4"
    & skf21("5","3","4","1","1","5","5","1") = "4"
    & skf21("5","3","4","1","1","5","6","1") = "5"
    & skf21("5","3","4","1","1","5","7","1") = "6"
    & skf21("5","3","4","1","1","6","1","1") = "5"
    & skf21("5","3","4","1","1","6","2","1") = "5"
    & skf21("5","3","4","1","1","6","3","1") = "5"
    & skf21("5","3","4","1","1","6","4","1") = "5"
    & skf21("5","3","4","1","1","6","5","1") = "5"
    & skf21("5","3","4","1","1","6","6","1") = "5"
    & skf21("5","3","4","1","1","6","7","1") = "6"
    & skf21("5","3","4","1","1","7","1","1") = "6"
    & skf21("5","3","4","1","1","7","2","1") = "6"
    & skf21("5","3","4","1","1","7","3","1") = "6"
    & skf21("5","3","4","1","1","7","4","1") = "6"
    & skf21("5","3","4","1","1","7","5","1") = "6"
    & skf21("5","3","4","1","1","7","6","1") = "6"
    & skf21("5","3","4","1","1","7","7","1") = "6"
    & skf21("5","3","4","1","2","1","1","1") = "4"
    & skf21("5","3","4","1","2","1","2","1") = "4"
    & skf21("5","3","4","1","2","1","3","1") = "4"
    & skf21("5","3","4","1","2","1","4","1") = "4"
    & skf21("5","3","4","1","2","1","5","1") = "4"
    & skf21("5","3","4","1","2","1","6","1") = "5"
    & skf21("5","3","4","1","2","1","7","1") = "6"
    & skf21("5","3","4","1","2","2","1","1") = "4"
    & skf21("5","3","4","1","2","2","2","1") = "4"
    & skf21("5","3","4","1","2","2","3","1") = "4"
    & skf21("5","3","4","1","2","2","4","1") = "4"
    & skf21("5","3","4","1","2","2","5","1") = "4"
    & skf21("5","3","4","1","2","2","6","1") = "5"
    & skf21("5","3","4","1","2","2","7","1") = "6"
    & skf21("5","3","4","1","2","3","1","1") = "4"
    & skf21("5","3","4","1","2","3","2","1") = "4"
    & skf21("5","3","4","1","2","3","3","1") = "4"
    & skf21("5","3","4","1","2","3","4","1") = "4"
    & skf21("5","3","4","1","2","3","5","1") = "4"
    & skf21("5","3","4","1","2","3","6","1") = "5"
    & skf21("5","3","4","1","2","3","7","1") = "6"
    & skf21("5","3","4","1","2","4","1","1") = "4"
    & skf21("5","3","4","1","2","4","2","1") = "4"
    & skf21("5","3","4","1","2","4","3","1") = "4"
    & skf21("5","3","4","1","2","4","4","1") = "4"
    & skf21("5","3","4","1","2","4","5","1") = "4"
    & skf21("5","3","4","1","2","4","6","1") = "5"
    & skf21("5","3","4","1","2","4","7","1") = "6"
    & skf21("5","3","4","1","2","5","1","1") = "4"
    & skf21("5","3","4","1","2","5","2","1") = "4"
    & skf21("5","3","4","1","2","5","3","1") = "4"
    & skf21("5","3","4","1","2","5","4","1") = "4"
    & skf21("5","3","4","1","2","5","5","1") = "4"
    & skf21("5","3","4","1","2","5","6","1") = "5"
    & skf21("5","3","4","1","2","5","7","1") = "6"
    & skf21("5","3","4","1","2","6","1","1") = "5"
    & skf21("5","3","4","1","2","6","2","1") = "5"
    & skf21("5","3","4","1","2","6","3","1") = "5"
    & skf21("5","3","4","1","2","6","4","1") = "5"
    & skf21("5","3","4","1","2","6","5","1") = "5"
    & skf21("5","3","4","1","2","6","6","1") = "5"
    & skf21("5","3","4","1","2","6","7","1") = "6"
    & skf21("5","3","4","1","2","7","1","1") = "6"
    & skf21("5","3","4","1","2","7","2","1") = "6"
    & skf21("5","3","4","1","2","7","3","1") = "6"
    & skf21("5","3","4","1","2","7","4","1") = "6"
    & skf21("5","3","4","1","2","7","5","1") = "6"
    & skf21("5","3","4","1","2","7","6","1") = "6"
    & skf21("5","3","4","1","2","7","7","1") = "6"
    & skf21("5","3","4","1","3","1","1","1") = "4"
    & skf21("5","3","4","1","3","1","2","1") = "4"
    & skf21("5","3","4","1","3","1","3","1") = "4"
    & skf21("5","3","4","1","3","1","4","1") = "4"
    & skf21("5","3","4","1","3","1","5","1") = "4"
    & skf21("5","3","4","1","3","1","6","1") = "5"
    & skf21("5","3","4","1","3","1","7","1") = "6"
    & skf21("5","3","4","1","3","2","1","1") = "4"
    & skf21("5","3","4","1","3","2","2","1") = "4"
    & skf21("5","3","4","1","3","2","3","1") = "4"
    & skf21("5","3","4","1","3","2","4","1") = "4"
    & skf21("5","3","4","1","3","2","5","1") = "4"
    & skf21("5","3","4","1","3","2","6","1") = "5"
    & skf21("5","3","4","1","3","2","7","1") = "6"
    & skf21("5","3","4","1","3","3","1","1") = "4"
    & skf21("5","3","4","1","3","3","2","1") = "4"
    & skf21("5","3","4","1","3","3","3","1") = "4"
    & skf21("5","3","4","1","3","3","4","1") = "4"
    & skf21("5","3","4","1","3","3","5","1") = "4"
    & skf21("5","3","4","1","3","3","6","1") = "5"
    & skf21("5","3","4","1","3","3","7","1") = "6"
    & skf21("5","3","4","1","3","4","1","1") = "4"
    & skf21("5","3","4","1","3","4","2","1") = "4"
    & skf21("5","3","4","1","3","4","3","1") = "4"
    & skf21("5","3","4","1","3","4","4","1") = "4"
    & skf21("5","3","4","1","3","4","5","1") = "4"
    & skf21("5","3","4","1","3","4","6","1") = "5"
    & skf21("5","3","4","1","3","4","7","1") = "6"
    & skf21("5","3","4","1","3","5","1","1") = "4"
    & skf21("5","3","4","1","3","5","2","1") = "4"
    & skf21("5","3","4","1","3","5","3","1") = "4"
    & skf21("5","3","4","1","3","5","4","1") = "4"
    & skf21("5","3","4","1","3","5","5","1") = "4"
    & skf21("5","3","4","1","3","5","6","1") = "5"
    & skf21("5","3","4","1","3","5","7","1") = "6"
    & skf21("5","3","4","1","3","6","1","1") = "5"
    & skf21("5","3","4","1","3","6","2","1") = "5"
    & skf21("5","3","4","1","3","6","3","1") = "5"
    & skf21("5","3","4","1","3","6","4","1") = "5"
    & skf21("5","3","4","1","3","6","5","1") = "5"
    & skf21("5","3","4","1","3","6","6","1") = "5"
    & skf21("5","3","4","1","3","6","7","1") = "6"
    & skf21("5","3","4","1","3","7","1","1") = "6"
    & skf21("5","3","4","1","3","7","2","1") = "6"
    & skf21("5","3","4","1","3","7","3","1") = "6"
    & skf21("5","3","4","1","3","7","4","1") = "6"
    & skf21("5","3","4","1","3","7","5","1") = "6"
    & skf21("5","3","4","1","3","7","6","1") = "6"
    & skf21("5","3","4","1","3","7","7","1") = "6"
    & skf21("5","3","4","1","4","1","1","1") = "4"
    & skf21("5","3","4","1","4","1","2","1") = "4"
    & skf21("5","3","4","1","4","1","3","1") = "4"
    & skf21("5","3","4","1","4","1","4","1") = "4"
    & skf21("5","3","4","1","4","1","5","1") = "4"
    & skf21("5","3","4","1","4","1","6","1") = "5"
    & skf21("5","3","4","1","4","1","7","1") = "6"
    & skf21("5","3","4","1","4","2","1","1") = "4"
    & skf21("5","3","4","1","4","2","2","1") = "4"
    & skf21("5","3","4","1","4","2","3","1") = "4"
    & skf21("5","3","4","1","4","2","4","1") = "4"
    & skf21("5","3","4","1","4","2","5","1") = "4"
    & skf21("5","3","4","1","4","2","6","1") = "5"
    & skf21("5","3","4","1","4","2","7","1") = "6"
    & skf21("5","3","4","1","4","3","1","1") = "4"
    & skf21("5","3","4","1","4","3","2","1") = "4"
    & skf21("5","3","4","1","4","3","3","1") = "4"
    & skf21("5","3","4","1","4","3","4","1") = "4"
    & skf21("5","3","4","1","4","3","5","1") = "4"
    & skf21("5","3","4","1","4","3","6","1") = "5"
    & skf21("5","3","4","1","4","3","7","1") = "6"
    & skf21("5","3","4","1","4","4","1","1") = "4"
    & skf21("5","3","4","1","4","4","2","1") = "4"
    & skf21("5","3","4","1","4","4","3","1") = "4"
    & skf21("5","3","4","1","4","4","4","1") = "4"
    & skf21("5","3","4","1","4","4","5","1") = "4"
    & skf21("5","3","4","1","4","4","6","1") = "5"
    & skf21("5","3","4","1","4","4","7","1") = "6"
    & skf21("5","3","4","1","4","5","1","1") = "4"
    & skf21("5","3","4","1","4","5","2","1") = "4"
    & skf21("5","3","4","1","4","5","3","1") = "4"
    & skf21("5","3","4","1","4","5","4","1") = "4"
    & skf21("5","3","4","1","4","5","5","1") = "4"
    & skf21("5","3","4","1","4","5","6","1") = "5"
    & skf21("5","3","4","1","4","5","7","1") = "6"
    & skf21("5","3","4","1","4","6","1","1") = "5"
    & skf21("5","3","4","1","4","6","2","1") = "5"
    & skf21("5","3","4","1","4","6","3","1") = "5"
    & skf21("5","3","4","1","4","6","4","1") = "5"
    & skf21("5","3","4","1","4","6","5","1") = "5"
    & skf21("5","3","4","1","4","6","6","1") = "5"
    & skf21("5","3","4","1","4","6","7","1") = "6"
    & skf21("5","3","4","1","4","7","1","1") = "6"
    & skf21("5","3","4","1","4","7","2","1") = "6"
    & skf21("5","3","4","1","4","7","3","1") = "6"
    & skf21("5","3","4","1","4","7","4","1") = "6"
    & skf21("5","3","4","1","4","7","5","1") = "6"
    & skf21("5","3","4","1","4","7","6","1") = "6"
    & skf21("5","3","4","1","4","7","7","1") = "6"
    & skf21("5","3","4","1","5","1","1","1") = "4"
    & skf21("5","3","4","1","5","1","2","1") = "4"
    & skf21("5","3","4","1","5","1","3","1") = "4"
    & skf21("5","3","4","1","5","1","4","1") = "4"
    & skf21("5","3","4","1","5","1","5","1") = "4"
    & skf21("5","3","4","1","5","1","6","1") = "5"
    & skf21("5","3","4","1","5","1","7","1") = "6"
    & skf21("5","3","4","1","5","2","1","1") = "4"
    & skf21("5","3","4","1","5","2","2","1") = "4"
    & skf21("5","3","4","1","5","2","3","1") = "4"
    & skf21("5","3","4","1","5","2","4","1") = "4"
    & skf21("5","3","4","1","5","2","5","1") = "4"
    & skf21("5","3","4","1","5","2","6","1") = "5"
    & skf21("5","3","4","1","5","2","7","1") = "6"
    & skf21("5","3","4","1","5","3","1","1") = "4"
    & skf21("5","3","4","1","5","3","2","1") = "4"
    & skf21("5","3","4","1","5","3","3","1") = "4"
    & skf21("5","3","4","1","5","3","4","1") = "4"
    & skf21("5","3","4","1","5","3","5","1") = "4"
    & skf21("5","3","4","1","5","3","6","1") = "5"
    & skf21("5","3","4","1","5","3","7","1") = "6"
    & skf21("5","3","4","1","5","4","1","1") = "4"
    & skf21("5","3","4","1","5","4","2","1") = "4"
    & skf21("5","3","4","1","5","4","3","1") = "4"
    & skf21("5","3","4","1","5","4","4","1") = "4"
    & skf21("5","3","4","1","5","4","5","1") = "4"
    & skf21("5","3","4","1","5","4","6","1") = "5"
    & skf21("5","3","4","1","5","4","7","1") = "6"
    & skf21("5","3","4","1","5","5","1","1") = "4"
    & skf21("5","3","4","1","5","5","2","1") = "4"
    & skf21("5","3","4","1","5","5","3","1") = "4"
    & skf21("5","3","4","1","5","5","4","1") = "4"
    & skf21("5","3","4","1","5","5","5","1") = "4"
    & skf21("5","3","4","1","5","5","6","1") = "5"
    & skf21("5","3","4","1","5","5","7","1") = "6"
    & skf21("5","3","4","1","5","6","1","1") = "5"
    & skf21("5","3","4","1","5","6","2","1") = "5"
    & skf21("5","3","4","1","5","6","3","1") = "5"
    & skf21("5","3","4","1","5","6","4","1") = "5"
    & skf21("5","3","4","1","5","6","5","1") = "5"
    & skf21("5","3","4","1","5","6","6","1") = "5"
    & skf21("5","3","4","1","5","6","7","1") = "6"
    & skf21("5","3","4","1","5","7","1","1") = "6"
    & skf21("5","3","4","1","5","7","2","1") = "6"
    & skf21("5","3","4","1","5","7","3","1") = "6"
    & skf21("5","3","4","1","5","7","4","1") = "6"
    & skf21("5","3","4","1","5","7","5","1") = "6"
    & skf21("5","3","4","1","5","7","6","1") = "6"
    & skf21("5","3","4","1","5","7","7","1") = "6"
    & skf21("5","3","4","1","6","1","1","1") = "5"
    & skf21("5","3","4","1","6","1","2","1") = "5"
    & skf21("5","3","4","1","6","1","3","1") = "5"
    & skf21("5","3","4","1","6","1","4","1") = "5"
    & skf21("5","3","4","1","6","1","5","1") = "5"
    & skf21("5","3","4","1","6","1","6","1") = "5"
    & skf21("5","3","4","1","6","1","7","1") = "6"
    & skf21("5","3","4","1","6","2","1","1") = "5"
    & skf21("5","3","4","1","6","2","2","1") = "5"
    & skf21("5","3","4","1","6","2","3","1") = "5"
    & skf21("5","3","4","1","6","2","4","1") = "5"
    & skf21("5","3","4","1","6","2","5","1") = "5"
    & skf21("5","3","4","1","6","2","6","1") = "5"
    & skf21("5","3","4","1","6","2","7","1") = "6"
    & skf21("5","3","4","1","6","3","1","1") = "5"
    & skf21("5","3","4","1","6","3","2","1") = "5"
    & skf21("5","3","4","1","6","3","3","1") = "5"
    & skf21("5","3","4","1","6","3","4","1") = "5"
    & skf21("5","3","4","1","6","3","5","1") = "5"
    & skf21("5","3","4","1","6","3","6","1") = "5"
    & skf21("5","3","4","1","6","3","7","1") = "6"
    & skf21("5","3","4","1","6","4","1","1") = "5"
    & skf21("5","3","4","1","6","4","2","1") = "5"
    & skf21("5","3","4","1","6","4","3","1") = "5"
    & skf21("5","3","4","1","6","4","4","1") = "5"
    & skf21("5","3","4","1","6","4","5","1") = "5"
    & skf21("5","3","4","1","6","4","6","1") = "5"
    & skf21("5","3","4","1","6","4","7","1") = "6"
    & skf21("5","3","4","1","6","5","1","1") = "5"
    & skf21("5","3","4","1","6","5","2","1") = "5"
    & skf21("5","3","4","1","6","5","3","1") = "5"
    & skf21("5","3","4","1","6","5","4","1") = "5"
    & skf21("5","3","4","1","6","5","5","1") = "5"
    & skf21("5","3","4","1","6","5","6","1") = "5"
    & skf21("5","3","4","1","6","5","7","1") = "6"
    & skf21("5","3","4","1","6","6","1","1") = "5"
    & skf21("5","3","4","1","6","6","2","1") = "5"
    & skf21("5","3","4","1","6","6","3","1") = "5"
    & skf21("5","3","4","1","6","6","4","1") = "5"
    & skf21("5","3","4","1","6","6","5","1") = "5"
    & skf21("5","3","4","1","6","6","6","1") = "5"
    & skf21("5","3","4","1","6","6","7","1") = "6"
    & skf21("5","3","4","1","6","7","1","1") = "6"
    & skf21("5","3","4","1","6","7","2","1") = "6"
    & skf21("5","3","4","1","6","7","3","1") = "6"
    & skf21("5","3","4","1","6","7","4","1") = "6"
    & skf21("5","3","4","1","6","7","5","1") = "6"
    & skf21("5","3","4","1","6","7","6","1") = "6"
    & skf21("5","3","4","1","6","7","7","1") = "6"
    & skf21("5","3","4","1","7","1","1","1") = "6"
    & skf21("5","3","4","1","7","1","2","1") = "6"
    & skf21("5","3","4","1","7","1","3","1") = "6"
    & skf21("5","3","4","1","7","1","4","1") = "6"
    & skf21("5","3","4","1","7","1","5","1") = "6"
    & skf21("5","3","4","1","7","1","6","1") = "6"
    & skf21("5","3","4","1","7","1","7","1") = "6"
    & skf21("5","3","4","1","7","2","1","1") = "6"
    & skf21("5","3","4","1","7","2","2","1") = "6"
    & skf21("5","3","4","1","7","2","3","1") = "6"
    & skf21("5","3","4","1","7","2","4","1") = "6"
    & skf21("5","3","4","1","7","2","5","1") = "6"
    & skf21("5","3","4","1","7","2","6","1") = "6"
    & skf21("5","3","4","1","7","2","7","1") = "6"
    & skf21("5","3","4","1","7","3","1","1") = "6"
    & skf21("5","3","4","1","7","3","2","1") = "6"
    & skf21("5","3","4","1","7","3","3","1") = "6"
    & skf21("5","3","4","1","7","3","4","1") = "6"
    & skf21("5","3","4","1","7","3","5","1") = "6"
    & skf21("5","3","4","1","7","3","6","1") = "6"
    & skf21("5","3","4","1","7","3","7","1") = "6"
    & skf21("5","3","4","1","7","4","1","1") = "6"
    & skf21("5","3","4","1","7","4","2","1") = "6"
    & skf21("5","3","4","1","7","4","3","1") = "6"
    & skf21("5","3","4","1","7","4","4","1") = "6"
    & skf21("5","3","4","1","7","4","5","1") = "6"
    & skf21("5","3","4","1","7","4","6","1") = "6"
    & skf21("5","3","4","1","7","4","7","1") = "6"
    & skf21("5","3","4","1","7","5","1","1") = "6"
    & skf21("5","3","4","1","7","5","2","1") = "6"
    & skf21("5","3","4","1","7","5","3","1") = "6"
    & skf21("5","3","4","1","7","5","4","1") = "6"
    & skf21("5","3","4","1","7","5","5","1") = "6"
    & skf21("5","3","4","1","7","5","6","1") = "6"
    & skf21("5","3","4","1","7","5","7","1") = "6"
    & skf21("5","3","4","1","7","6","1","1") = "6"
    & skf21("5","3","4","1","7","6","2","1") = "6"
    & skf21("5","3","4","1","7","6","3","1") = "6"
    & skf21("5","3","4","1","7","6","4","1") = "6"
    & skf21("5","3","4","1","7","6","5","1") = "6"
    & skf21("5","3","4","1","7","6","6","1") = "6"
    & skf21("5","3","4","1","7","6","7","1") = "6"
    & skf21("5","3","4","1","7","7","1","1") = "6"
    & skf21("5","3","4","1","7","7","2","1") = "6"
    & skf21("5","3","4","1","7","7","3","1") = "6"
    & skf21("5","3","4","1","7","7","4","1") = "6"
    & skf21("5","3","4","1","7","7","5","1") = "6"
    & skf21("5","3","4","1","7","7","6","1") = "6"
    & skf21("5","3","4","1","7","7","7","1") = "6"
    & skf21("5","3","4","2","1","1","1","1") = "4"
    & skf21("5","3","4","2","1","1","2","1") = "4"
    & skf21("5","3","4","2","1","1","3","1") = "4"
    & skf21("5","3","4","2","1","1","4","1") = "4"
    & skf21("5","3","4","2","1","1","5","1") = "4"
    & skf21("5","3","4","2","1","1","6","1") = "5"
    & skf21("5","3","4","2","1","1","7","1") = "6"
    & skf21("5","3","4","2","1","2","1","1") = "4"
    & skf21("5","3","4","2","1","2","2","1") = "4"
    & skf21("5","3","4","2","1","2","3","1") = "4"
    & skf21("5","3","4","2","1","2","4","1") = "4"
    & skf21("5","3","4","2","1","2","5","1") = "4"
    & skf21("5","3","4","2","1","2","6","1") = "5"
    & skf21("5","3","4","2","1","2","7","1") = "6"
    & skf21("5","3","4","2","1","3","1","1") = "4"
    & skf21("5","3","4","2","1","3","2","1") = "4"
    & skf21("5","3","4","2","1","3","3","1") = "4"
    & skf21("5","3","4","2","1","3","4","1") = "4"
    & skf21("5","3","4","2","1","3","5","1") = "4"
    & skf21("5","3","4","2","1","3","6","1") = "5"
    & skf21("5","3","4","2","1","3","7","1") = "6"
    & skf21("5","3","4","2","1","4","1","1") = "4"
    & skf21("5","3","4","2","1","4","2","1") = "4"
    & skf21("5","3","4","2","1","4","3","1") = "4"
    & skf21("5","3","4","2","1","4","4","1") = "4"
    & skf21("5","3","4","2","1","4","5","1") = "4"
    & skf21("5","3","4","2","1","4","6","1") = "5"
    & skf21("5","3","4","2","1","4","7","1") = "6"
    & skf21("5","3","4","2","1","5","1","1") = "4"
    & skf21("5","3","4","2","1","5","2","1") = "4"
    & skf21("5","3","4","2","1","5","3","1") = "4"
    & skf21("5","3","4","2","1","5","4","1") = "4"
    & skf21("5","3","4","2","1","5","5","1") = "4"
    & skf21("5","3","4","2","1","5","6","1") = "5"
    & skf21("5","3","4","2","1","5","7","1") = "6"
    & skf21("5","3","4","2","1","6","1","1") = "5"
    & skf21("5","3","4","2","1","6","2","1") = "5"
    & skf21("5","3","4","2","1","6","3","1") = "5"
    & skf21("5","3","4","2","1","6","4","1") = "5"
    & skf21("5","3","4","2","1","6","5","1") = "5"
    & skf21("5","3","4","2","1","6","6","1") = "5"
    & skf21("5","3","4","2","1","6","7","1") = "6"
    & skf21("5","3","4","2","1","7","1","1") = "6"
    & skf21("5","3","4","2","1","7","2","1") = "6"
    & skf21("5","3","4","2","1","7","3","1") = "6"
    & skf21("5","3","4","2","1","7","4","1") = "6"
    & skf21("5","3","4","2","1","7","5","1") = "6"
    & skf21("5","3","4","2","1","7","6","1") = "6"
    & skf21("5","3","4","2","1","7","7","1") = "6"
    & skf21("5","3","4","2","2","1","1","1") = "4"
    & skf21("5","3","4","2","2","1","2","1") = "4"
    & skf21("5","3","4","2","2","1","3","1") = "4"
    & skf21("5","3","4","2","2","1","4","1") = "4"
    & skf21("5","3","4","2","2","1","5","1") = "4"
    & skf21("5","3","4","2","2","1","6","1") = "5"
    & skf21("5","3","4","2","2","1","7","1") = "6"
    & skf21("5","3","4","2","2","2","1","1") = "4"
    & skf21("5","3","4","2","2","2","2","1") = "4"
    & skf21("5","3","4","2","2","2","3","1") = "4"
    & skf21("5","3","4","2","2","2","4","1") = "4"
    & skf21("5","3","4","2","2","2","5","1") = "4"
    & skf21("5","3","4","2","2","2","6","1") = "5"
    & skf21("5","3","4","2","2","2","7","1") = "6"
    & skf21("5","3","4","2","2","3","1","1") = "4"
    & skf21("5","3","4","2","2","3","2","1") = "4"
    & skf21("5","3","4","2","2","3","3","1") = "4"
    & skf21("5","3","4","2","2","3","4","1") = "4"
    & skf21("5","3","4","2","2","3","5","1") = "4"
    & skf21("5","3","4","2","2","3","6","1") = "5"
    & skf21("5","3","4","2","2","3","7","1") = "6"
    & skf21("5","3","4","2","2","4","1","1") = "4"
    & skf21("5","3","4","2","2","4","2","1") = "4"
    & skf21("5","3","4","2","2","4","3","1") = "4"
    & skf21("5","3","4","2","2","4","4","1") = "4"
    & skf21("5","3","4","2","2","4","5","1") = "4"
    & skf21("5","3","4","2","2","4","6","1") = "5"
    & skf21("5","3","4","2","2","4","7","1") = "6"
    & skf21("5","3","4","2","2","5","1","1") = "4"
    & skf21("5","3","4","2","2","5","2","1") = "4"
    & skf21("5","3","4","2","2","5","3","1") = "4"
    & skf21("5","3","4","2","2","5","4","1") = "4"
    & skf21("5","3","4","2","2","5","5","1") = "4"
    & skf21("5","3","4","2","2","5","6","1") = "5"
    & skf21("5","3","4","2","2","5","7","1") = "6"
    & skf21("5","3","4","2","2","6","1","1") = "5"
    & skf21("5","3","4","2","2","6","2","1") = "5"
    & skf21("5","3","4","2","2","6","3","1") = "5"
    & skf21("5","3","4","2","2","6","4","1") = "5"
    & skf21("5","3","4","2","2","6","5","1") = "5"
    & skf21("5","3","4","2","2","6","6","1") = "5"
    & skf21("5","3","4","2","2","6","7","1") = "6"
    & skf21("5","3","4","2","2","7","1","1") = "6"
    & skf21("5","3","4","2","2","7","2","1") = "6"
    & skf21("5","3","4","2","2","7","3","1") = "6"
    & skf21("5","3","4","2","2","7","4","1") = "6"
    & skf21("5","3","4","2","2","7","5","1") = "6"
    & skf21("5","3","4","2","2","7","6","1") = "6"
    & skf21("5","3","4","2","2","7","7","1") = "6"
    & skf21("5","3","4","2","3","1","1","1") = "4"
    & skf21("5","3","4","2","3","1","2","1") = "4"
    & skf21("5","3","4","2","3","1","3","1") = "4"
    & skf21("5","3","4","2","3","1","4","1") = "4"
    & skf21("5","3","4","2","3","1","5","1") = "4"
    & skf21("5","3","4","2","3","1","6","1") = "5"
    & skf21("5","3","4","2","3","1","7","1") = "6"
    & skf21("5","3","4","2","3","2","1","1") = "4"
    & skf21("5","3","4","2","3","2","2","1") = "4"
    & skf21("5","3","4","2","3","2","3","1") = "4"
    & skf21("5","3","4","2","3","2","4","1") = "4"
    & skf21("5","3","4","2","3","2","5","1") = "4"
    & skf21("5","3","4","2","3","2","6","1") = "5"
    & skf21("5","3","4","2","3","2","7","1") = "6"
    & skf21("5","3","4","2","3","3","1","1") = "4"
    & skf21("5","3","4","2","3","3","2","1") = "4"
    & skf21("5","3","4","2","3","3","3","1") = "4"
    & skf21("5","3","4","2","3","3","4","1") = "4"
    & skf21("5","3","4","2","3","3","5","1") = "4"
    & skf21("5","3","4","2","3","3","6","1") = "5"
    & skf21("5","3","4","2","3","3","7","1") = "6"
    & skf21("5","3","4","2","3","4","1","1") = "4"
    & skf21("5","3","4","2","3","4","2","1") = "4"
    & skf21("5","3","4","2","3","4","3","1") = "4"
    & skf21("5","3","4","2","3","4","4","1") = "4"
    & skf21("5","3","4","2","3","4","5","1") = "4"
    & skf21("5","3","4","2","3","4","6","1") = "5"
    & skf21("5","3","4","2","3","4","7","1") = "6"
    & skf21("5","3","4","2","3","5","1","1") = "4"
    & skf21("5","3","4","2","3","5","2","1") = "4"
    & skf21("5","3","4","2","3","5","3","1") = "4"
    & skf21("5","3","4","2","3","5","4","1") = "4"
    & skf21("5","3","4","2","3","5","5","1") = "4"
    & skf21("5","3","4","2","3","5","6","1") = "5"
    & skf21("5","3","4","2","3","5","7","1") = "6"
    & skf21("5","3","4","2","3","6","1","1") = "5"
    & skf21("5","3","4","2","3","6","2","1") = "5"
    & skf21("5","3","4","2","3","6","3","1") = "5"
    & skf21("5","3","4","2","3","6","4","1") = "5"
    & skf21("5","3","4","2","3","6","5","1") = "5"
    & skf21("5","3","4","2","3","6","6","1") = "5"
    & skf21("5","3","4","2","3","6","7","1") = "6"
    & skf21("5","3","4","2","3","7","1","1") = "6"
    & skf21("5","3","4","2","3","7","2","1") = "6"
    & skf21("5","3","4","2","3","7","3","1") = "6"
    & skf21("5","3","4","2","3","7","4","1") = "6"
    & skf21("5","3","4","2","3","7","5","1") = "6"
    & skf21("5","3","4","2","3","7","6","1") = "6"
    & skf21("5","3","4","2","3","7","7","1") = "6"
    & skf21("5","3","4","2","4","1","1","1") = "4"
    & skf21("5","3","4","2","4","1","2","1") = "4"
    & skf21("5","3","4","2","4","1","3","1") = "4"
    & skf21("5","3","4","2","4","1","4","1") = "4"
    & skf21("5","3","4","2","4","1","5","1") = "4"
    & skf21("5","3","4","2","4","1","6","1") = "5"
    & skf21("5","3","4","2","4","1","7","1") = "6"
    & skf21("5","3","4","2","4","2","1","1") = "4"
    & skf21("5","3","4","2","4","2","2","1") = "4"
    & skf21("5","3","4","2","4","2","3","1") = "4"
    & skf21("5","3","4","2","4","2","4","1") = "4"
    & skf21("5","3","4","2","4","2","5","1") = "4"
    & skf21("5","3","4","2","4","2","6","1") = "5"
    & skf21("5","3","4","2","4","2","7","1") = "6"
    & skf21("5","3","4","2","4","3","1","1") = "4"
    & skf21("5","3","4","2","4","3","2","1") = "4"
    & skf21("5","3","4","2","4","3","3","1") = "4"
    & skf21("5","3","4","2","4","3","4","1") = "4"
    & skf21("5","3","4","2","4","3","5","1") = "4"
    & skf21("5","3","4","2","4","3","6","1") = "5"
    & skf21("5","3","4","2","4","3","7","1") = "6"
    & skf21("5","3","4","2","4","4","1","1") = "4"
    & skf21("5","3","4","2","4","4","2","1") = "4"
    & skf21("5","3","4","2","4","4","3","1") = "4"
    & skf21("5","3","4","2","4","4","4","1") = "4"
    & skf21("5","3","4","2","4","4","5","1") = "4"
    & skf21("5","3","4","2","4","4","6","1") = "5"
    & skf21("5","3","4","2","4","4","7","1") = "6"
    & skf21("5","3","4","2","4","5","1","1") = "4"
    & skf21("5","3","4","2","4","5","2","1") = "4"
    & skf21("5","3","4","2","4","5","3","1") = "4"
    & skf21("5","3","4","2","4","5","4","1") = "4"
    & skf21("5","3","4","2","4","5","5","1") = "4"
    & skf21("5","3","4","2","4","5","6","1") = "5"
    & skf21("5","3","4","2","4","5","7","1") = "6"
    & skf21("5","3","4","2","4","6","1","1") = "5"
    & skf21("5","3","4","2","4","6","2","1") = "5"
    & skf21("5","3","4","2","4","6","3","1") = "5"
    & skf21("5","3","4","2","4","6","4","1") = "5"
    & skf21("5","3","4","2","4","6","5","1") = "5"
    & skf21("5","3","4","2","4","6","6","1") = "5"
    & skf21("5","3","4","2","4","6","7","1") = "6"
    & skf21("5","3","4","2","4","7","1","1") = "6"
    & skf21("5","3","4","2","4","7","2","1") = "6"
    & skf21("5","3","4","2","4","7","3","1") = "6"
    & skf21("5","3","4","2","4","7","4","1") = "6"
    & skf21("5","3","4","2","4","7","5","1") = "6"
    & skf21("5","3","4","2","4","7","6","1") = "6"
    & skf21("5","3","4","2","4","7","7","1") = "6"
    & skf21("5","3","4","2","5","1","1","1") = "4"
    & skf21("5","3","4","2","5","1","2","1") = "4"
    & skf21("5","3","4","2","5","1","3","1") = "4"
    & skf21("5","3","4","2","5","1","4","1") = "4"
    & skf21("5","3","4","2","5","1","5","1") = "4"
    & skf21("5","3","4","2","5","1","6","1") = "5"
    & skf21("5","3","4","2","5","1","7","1") = "6"
    & skf21("5","3","4","2","5","2","1","1") = "4"
    & skf21("5","3","4","2","5","2","2","1") = "4"
    & skf21("5","3","4","2","5","2","3","1") = "4"
    & skf21("5","3","4","2","5","2","4","1") = "4"
    & skf21("5","3","4","2","5","2","5","1") = "4"
    & skf21("5","3","4","2","5","2","6","1") = "5"
    & skf21("5","3","4","2","5","2","7","1") = "6"
    & skf21("5","3","4","2","5","3","1","1") = "4"
    & skf21("5","3","4","2","5","3","2","1") = "4"
    & skf21("5","3","4","2","5","3","3","1") = "4"
    & skf21("5","3","4","2","5","3","4","1") = "4"
    & skf21("5","3","4","2","5","3","5","1") = "4"
    & skf21("5","3","4","2","5","3","6","1") = "5"
    & skf21("5","3","4","2","5","3","7","1") = "6"
    & skf21("5","3","4","2","5","4","1","1") = "4"
    & skf21("5","3","4","2","5","4","2","1") = "4"
    & skf21("5","3","4","2","5","4","3","1") = "4"
    & skf21("5","3","4","2","5","4","4","1") = "4"
    & skf21("5","3","4","2","5","4","5","1") = "4"
    & skf21("5","3","4","2","5","4","6","1") = "5"
    & skf21("5","3","4","2","5","4","7","1") = "6"
    & skf21("5","3","4","2","5","5","1","1") = "4"
    & skf21("5","3","4","2","5","5","2","1") = "4"
    & skf21("5","3","4","2","5","5","3","1") = "4"
    & skf21("5","3","4","2","5","5","4","1") = "4"
    & skf21("5","3","4","2","5","5","5","1") = "4"
    & skf21("5","3","4","2","5","5","6","1") = "5"
    & skf21("5","3","4","2","5","5","7","1") = "6"
    & skf21("5","3","4","2","5","6","1","1") = "5"
    & skf21("5","3","4","2","5","6","2","1") = "5"
    & skf21("5","3","4","2","5","6","3","1") = "5"
    & skf21("5","3","4","2","5","6","4","1") = "5"
    & skf21("5","3","4","2","5","6","5","1") = "5"
    & skf21("5","3","4","2","5","6","6","1") = "5"
    & skf21("5","3","4","2","5","6","7","1") = "6"
    & skf21("5","3","4","2","5","7","1","1") = "6"
    & skf21("5","3","4","2","5","7","2","1") = "6"
    & skf21("5","3","4","2","5","7","3","1") = "6"
    & skf21("5","3","4","2","5","7","4","1") = "6"
    & skf21("5","3","4","2","5","7","5","1") = "6"
    & skf21("5","3","4","2","5","7","6","1") = "6"
    & skf21("5","3","4","2","5","7","7","1") = "6"
    & skf21("5","3","4","2","6","1","1","1") = "5"
    & skf21("5","3","4","2","6","1","2","1") = "5"
    & skf21("5","3","4","2","6","1","3","1") = "5"
    & skf21("5","3","4","2","6","1","4","1") = "5"
    & skf21("5","3","4","2","6","1","5","1") = "5"
    & skf21("5","3","4","2","6","1","6","1") = "5"
    & skf21("5","3","4","2","6","1","7","1") = "6"
    & skf21("5","3","4","2","6","2","1","1") = "5"
    & skf21("5","3","4","2","6","2","2","1") = "5"
    & skf21("5","3","4","2","6","2","3","1") = "5"
    & skf21("5","3","4","2","6","2","4","1") = "5"
    & skf21("5","3","4","2","6","2","5","1") = "5"
    & skf21("5","3","4","2","6","2","6","1") = "5"
    & skf21("5","3","4","2","6","2","7","1") = "6"
    & skf21("5","3","4","2","6","3","1","1") = "5"
    & skf21("5","3","4","2","6","3","2","1") = "5"
    & skf21("5","3","4","2","6","3","3","1") = "5"
    & skf21("5","3","4","2","6","3","4","1") = "5"
    & skf21("5","3","4","2","6","3","5","1") = "5"
    & skf21("5","3","4","2","6","3","6","1") = "5"
    & skf21("5","3","4","2","6","3","7","1") = "6"
    & skf21("5","3","4","2","6","4","1","1") = "5"
    & skf21("5","3","4","2","6","4","2","1") = "5"
    & skf21("5","3","4","2","6","4","3","1") = "5"
    & skf21("5","3","4","2","6","4","4","1") = "5"
    & skf21("5","3","4","2","6","4","5","1") = "5"
    & skf21("5","3","4","2","6","4","6","1") = "5"
    & skf21("5","3","4","2","6","4","7","1") = "6"
    & skf21("5","3","4","2","6","5","1","1") = "5"
    & skf21("5","3","4","2","6","5","2","1") = "5"
    & skf21("5","3","4","2","6","5","3","1") = "5"
    & skf21("5","3","4","2","6","5","4","1") = "5"
    & skf21("5","3","4","2","6","5","5","1") = "5"
    & skf21("5","3","4","2","6","5","6","1") = "5"
    & skf21("5","3","4","2","6","5","7","1") = "6"
    & skf21("5","3","4","2","6","6","1","1") = "5"
    & skf21("5","3","4","2","6","6","2","1") = "5"
    & skf21("5","3","4","2","6","6","3","1") = "5"
    & skf21("5","3","4","2","6","6","4","1") = "5"
    & skf21("5","3","4","2","6","6","5","1") = "5"
    & skf21("5","3","4","2","6","6","6","1") = "5"
    & skf21("5","3","4","2","6","6","7","1") = "6"
    & skf21("5","3","4","2","6","7","1","1") = "6"
    & skf21("5","3","4","2","6","7","2","1") = "6"
    & skf21("5","3","4","2","6","7","3","1") = "6"
    & skf21("5","3","4","2","6","7","4","1") = "6"
    & skf21("5","3","4","2","6","7","5","1") = "6"
    & skf21("5","3","4","2","6","7","6","1") = "6"
    & skf21("5","3","4","2","6","7","7","1") = "6"
    & skf21("5","3","4","2","7","1","1","1") = "6"
    & skf21("5","3","4","2","7","1","2","1") = "6"
    & skf21("5","3","4","2","7","1","3","1") = "6"
    & skf21("5","3","4","2","7","1","4","1") = "6"
    & skf21("5","3","4","2","7","1","5","1") = "6"
    & skf21("5","3","4","2","7","1","6","1") = "6"
    & skf21("5","3","4","2","7","1","7","1") = "6"
    & skf21("5","3","4","2","7","2","1","1") = "6"
    & skf21("5","3","4","2","7","2","2","1") = "6"
    & skf21("5","3","4","2","7","2","3","1") = "6"
    & skf21("5","3","4","2","7","2","4","1") = "6"
    & skf21("5","3","4","2","7","2","5","1") = "6"
    & skf21("5","3","4","2","7","2","6","1") = "6"
    & skf21("5","3","4","2","7","2","7","1") = "6"
    & skf21("5","3","4","2","7","3","1","1") = "6"
    & skf21("5","3","4","2","7","3","2","1") = "6"
    & skf21("5","3","4","2","7","3","3","1") = "6"
    & skf21("5","3","4","2","7","3","4","1") = "6"
    & skf21("5","3","4","2","7","3","5","1") = "6"
    & skf21("5","3","4","2","7","3","6","1") = "6"
    & skf21("5","3","4","2","7","3","7","1") = "6"
    & skf21("5","3","4","2","7","4","1","1") = "6"
    & skf21("5","3","4","2","7","4","2","1") = "6"
    & skf21("5","3","4","2","7","4","3","1") = "6"
    & skf21("5","3","4","2","7","4","4","1") = "6"
    & skf21("5","3","4","2","7","4","5","1") = "6"
    & skf21("5","3","4","2","7","4","6","1") = "6"
    & skf21("5","3","4","2","7","4","7","1") = "6"
    & skf21("5","3","4","2","7","5","1","1") = "6"
    & skf21("5","3","4","2","7","5","2","1") = "6"
    & skf21("5","3","4","2","7","5","3","1") = "6"
    & skf21("5","3","4","2","7","5","4","1") = "6"
    & skf21("5","3","4","2","7","5","5","1") = "6"
    & skf21("5","3","4","2","7","5","6","1") = "6"
    & skf21("5","3","4","2","7","5","7","1") = "6"
    & skf21("5","3","4","2","7","6","1","1") = "6"
    & skf21("5","3","4","2","7","6","2","1") = "6"
    & skf21("5","3","4","2","7","6","3","1") = "6"
    & skf21("5","3","4","2","7","6","4","1") = "6"
    & skf21("5","3","4","2","7","6","5","1") = "6"
    & skf21("5","3","4","2","7","6","6","1") = "6"
    & skf21("5","3","4","2","7","6","7","1") = "6"
    & skf21("5","3","4","2","7","7","1","1") = "6"
    & skf21("5","3","4","2","7","7","2","1") = "6"
    & skf21("5","3","4","2","7","7","3","1") = "6"
    & skf21("5","3","4","2","7","7","4","1") = "6"
    & skf21("5","3","4","2","7","7","5","1") = "6"
    & skf21("5","3","4","2","7","7","6","1") = "6"
    & skf21("5","3","4","2","7","7","7","1") = "6"
    & skf21("5","3","4","3","1","1","1","1") = "4"
    & skf21("5","3","4","3","1","1","2","1") = "4"
    & skf21("5","3","4","3","1","1","3","1") = "4"
    & skf21("5","3","4","3","1","1","4","1") = "4"
    & skf21("5","3","4","3","1","1","5","1") = "4"
    & skf21("5","3","4","3","1","1","6","1") = "5"
    & skf21("5","3","4","3","1","1","7","1") = "6"
    & skf21("5","3","4","3","1","2","1","1") = "4"
    & skf21("5","3","4","3","1","2","2","1") = "4"
    & skf21("5","3","4","3","1","2","3","1") = "4"
    & skf21("5","3","4","3","1","2","4","1") = "4"
    & skf21("5","3","4","3","1","2","5","1") = "4"
    & skf21("5","3","4","3","1","2","6","1") = "5"
    & skf21("5","3","4","3","1","2","7","1") = "6"
    & skf21("5","3","4","3","1","3","1","1") = "4"
    & skf21("5","3","4","3","1","3","2","1") = "4"
    & skf21("5","3","4","3","1","3","3","1") = "4"
    & skf21("5","3","4","3","1","3","4","1") = "4"
    & skf21("5","3","4","3","1","3","5","1") = "4"
    & skf21("5","3","4","3","1","3","6","1") = "5"
    & skf21("5","3","4","3","1","3","7","1") = "6"
    & skf21("5","3","4","3","1","4","1","1") = "4"
    & skf21("5","3","4","3","1","4","2","1") = "4"
    & skf21("5","3","4","3","1","4","3","1") = "4"
    & skf21("5","3","4","3","1","4","4","1") = "4"
    & skf21("5","3","4","3","1","4","5","1") = "4"
    & skf21("5","3","4","3","1","4","6","1") = "5"
    & skf21("5","3","4","3","1","4","7","1") = "6"
    & skf21("5","3","4","3","1","5","1","1") = "4"
    & skf21("5","3","4","3","1","5","2","1") = "4"
    & skf21("5","3","4","3","1","5","3","1") = "4"
    & skf21("5","3","4","3","1","5","4","1") = "4"
    & skf21("5","3","4","3","1","5","5","1") = "4"
    & skf21("5","3","4","3","1","5","6","1") = "5"
    & skf21("5","3","4","3","1","5","7","1") = "6"
    & skf21("5","3","4","3","1","6","1","1") = "5"
    & skf21("5","3","4","3","1","6","2","1") = "5"
    & skf21("5","3","4","3","1","6","3","1") = "5"
    & skf21("5","3","4","3","1","6","4","1") = "5"
    & skf21("5","3","4","3","1","6","5","1") = "5"
    & skf21("5","3","4","3","1","6","6","1") = "5"
    & skf21("5","3","4","3","1","6","7","1") = "6"
    & skf21("5","3","4","3","1","7","1","1") = "6"
    & skf21("5","3","4","3","1","7","2","1") = "6"
    & skf21("5","3","4","3","1","7","3","1") = "6"
    & skf21("5","3","4","3","1","7","4","1") = "6"
    & skf21("5","3","4","3","1","7","5","1") = "6"
    & skf21("5","3","4","3","1","7","6","1") = "6"
    & skf21("5","3","4","3","1","7","7","1") = "6"
    & skf21("5","3","4","3","2","1","1","1") = "4"
    & skf21("5","3","4","3","2","1","2","1") = "4"
    & skf21("5","3","4","3","2","1","3","1") = "4"
    & skf21("5","3","4","3","2","1","4","1") = "4"
    & skf21("5","3","4","3","2","1","5","1") = "4"
    & skf21("5","3","4","3","2","1","6","1") = "5"
    & skf21("5","3","4","3","2","1","7","1") = "6"
    & skf21("5","3","4","3","2","2","1","1") = "4"
    & skf21("5","3","4","3","2","2","2","1") = "4"
    & skf21("5","3","4","3","2","2","3","1") = "4"
    & skf21("5","3","4","3","2","2","4","1") = "4"
    & skf21("5","3","4","3","2","2","5","1") = "4"
    & skf21("5","3","4","3","2","2","6","1") = "5"
    & skf21("5","3","4","3","2","2","7","1") = "6"
    & skf21("5","3","4","3","2","3","1","1") = "4"
    & skf21("5","3","4","3","2","3","2","1") = "4"
    & skf21("5","3","4","3","2","3","3","1") = "4"
    & skf21("5","3","4","3","2","3","4","1") = "4"
    & skf21("5","3","4","3","2","3","5","1") = "4"
    & skf21("5","3","4","3","2","3","6","1") = "5"
    & skf21("5","3","4","3","2","3","7","1") = "6"
    & skf21("5","3","4","3","2","4","1","1") = "4"
    & skf21("5","3","4","3","2","4","2","1") = "4"
    & skf21("5","3","4","3","2","4","3","1") = "4"
    & skf21("5","3","4","3","2","4","4","1") = "4"
    & skf21("5","3","4","3","2","4","5","1") = "4"
    & skf21("5","3","4","3","2","4","6","1") = "5"
    & skf21("5","3","4","3","2","4","7","1") = "6"
    & skf21("5","3","4","3","2","5","1","1") = "4"
    & skf21("5","3","4","3","2","5","2","1") = "4"
    & skf21("5","3","4","3","2","5","3","1") = "4"
    & skf21("5","3","4","3","2","5","4","1") = "4"
    & skf21("5","3","4","3","2","5","5","1") = "4"
    & skf21("5","3","4","3","2","5","6","1") = "5"
    & skf21("5","3","4","3","2","5","7","1") = "6"
    & skf21("5","3","4","3","2","6","1","1") = "5"
    & skf21("5","3","4","3","2","6","2","1") = "5"
    & skf21("5","3","4","3","2","6","3","1") = "5"
    & skf21("5","3","4","3","2","6","4","1") = "5"
    & skf21("5","3","4","3","2","6","5","1") = "5"
    & skf21("5","3","4","3","2","6","6","1") = "5"
    & skf21("5","3","4","3","2","6","7","1") = "6"
    & skf21("5","3","4","3","2","7","1","1") = "6"
    & skf21("5","3","4","3","2","7","2","1") = "6"
    & skf21("5","3","4","3","2","7","3","1") = "6"
    & skf21("5","3","4","3","2","7","4","1") = "6"
    & skf21("5","3","4","3","2","7","5","1") = "6"
    & skf21("5","3","4","3","2","7","6","1") = "6"
    & skf21("5","3","4","3","2","7","7","1") = "6"
    & skf21("5","3","4","3","3","1","1","1") = "4"
    & skf21("5","3","4","3","3","1","2","1") = "4"
    & skf21("5","3","4","3","3","1","3","1") = "4"
    & skf21("5","3","4","3","3","1","4","1") = "4"
    & skf21("5","3","4","3","3","1","5","1") = "4"
    & skf21("5","3","4","3","3","1","6","1") = "5"
    & skf21("5","3","4","3","3","1","7","1") = "6"
    & skf21("5","3","4","3","3","2","1","1") = "4"
    & skf21("5","3","4","3","3","2","2","1") = "4"
    & skf21("5","3","4","3","3","2","3","1") = "4"
    & skf21("5","3","4","3","3","2","4","1") = "4"
    & skf21("5","3","4","3","3","2","5","1") = "4"
    & skf21("5","3","4","3","3","2","6","1") = "5"
    & skf21("5","3","4","3","3","2","7","1") = "6"
    & skf21("5","3","4","3","3","3","1","1") = "4"
    & skf21("5","3","4","3","3","3","2","1") = "4"
    & skf21("5","3","4","3","3","3","3","1") = "4"
    & skf21("5","3","4","3","3","3","4","1") = "4"
    & skf21("5","3","4","3","3","3","5","1") = "4"
    & skf21("5","3","4","3","3","3","6","1") = "5"
    & skf21("5","3","4","3","3","3","7","1") = "6"
    & skf21("5","3","4","3","3","4","1","1") = "4"
    & skf21("5","3","4","3","3","4","2","1") = "4"
    & skf21("5","3","4","3","3","4","3","1") = "4"
    & skf21("5","3","4","3","3","4","4","1") = "4"
    & skf21("5","3","4","3","3","4","5","1") = "4"
    & skf21("5","3","4","3","3","4","6","1") = "5"
    & skf21("5","3","4","3","3","4","7","1") = "6"
    & skf21("5","3","4","3","3","5","1","1") = "4"
    & skf21("5","3","4","3","3","5","2","1") = "4"
    & skf21("5","3","4","3","3","5","3","1") = "4"
    & skf21("5","3","4","3","3","5","4","1") = "4"
    & skf21("5","3","4","3","3","5","5","1") = "4"
    & skf21("5","3","4","3","3","5","6","1") = "5"
    & skf21("5","3","4","3","3","5","7","1") = "6"
    & skf21("5","3","4","3","3","6","1","1") = "5"
    & skf21("5","3","4","3","3","6","2","1") = "5"
    & skf21("5","3","4","3","3","6","3","1") = "5"
    & skf21("5","3","4","3","3","6","4","1") = "5"
    & skf21("5","3","4","3","3","6","5","1") = "5"
    & skf21("5","3","4","3","3","6","6","1") = "5"
    & skf21("5","3","4","3","3","6","7","1") = "6"
    & skf21("5","3","4","3","3","7","1","1") = "6"
    & skf21("5","3","4","3","3","7","2","1") = "6"
    & skf21("5","3","4","3","3","7","3","1") = "6"
    & skf21("5","3","4","3","3","7","4","1") = "6"
    & skf21("5","3","4","3","3","7","5","1") = "6"
    & skf21("5","3","4","3","3","7","6","1") = "6"
    & skf21("5","3","4","3","3","7","7","1") = "6"
    & skf21("5","3","4","3","4","1","1","1") = "4"
    & skf21("5","3","4","3","4","1","2","1") = "4"
    & skf21("5","3","4","3","4","1","3","1") = "4"
    & skf21("5","3","4","3","4","1","4","1") = "4"
    & skf21("5","3","4","3","4","1","5","1") = "4"
    & skf21("5","3","4","3","4","1","6","1") = "5"
    & skf21("5","3","4","3","4","1","7","1") = "6"
    & skf21("5","3","4","3","4","2","1","1") = "4"
    & skf21("5","3","4","3","4","2","2","1") = "4"
    & skf21("5","3","4","3","4","2","3","1") = "4"
    & skf21("5","3","4","3","4","2","4","1") = "4"
    & skf21("5","3","4","3","4","2","5","1") = "4"
    & skf21("5","3","4","3","4","2","6","1") = "5"
    & skf21("5","3","4","3","4","2","7","1") = "6"
    & skf21("5","3","4","3","4","3","1","1") = "4"
    & skf21("5","3","4","3","4","3","2","1") = "4"
    & skf21("5","3","4","3","4","3","3","1") = "4"
    & skf21("5","3","4","3","4","3","4","1") = "4"
    & skf21("5","3","4","3","4","3","5","1") = "4"
    & skf21("5","3","4","3","4","3","6","1") = "5"
    & skf21("5","3","4","3","4","3","7","1") = "6"
    & skf21("5","3","4","3","4","4","1","1") = "4"
    & skf21("5","3","4","3","4","4","2","1") = "4"
    & skf21("5","3","4","3","4","4","3","1") = "4"
    & skf21("5","3","4","3","4","4","4","1") = "4"
    & skf21("5","3","4","3","4","4","5","1") = "4"
    & skf21("5","3","4","3","4","4","6","1") = "5"
    & skf21("5","3","4","3","4","4","7","1") = "6"
    & skf21("5","3","4","3","4","5","1","1") = "4"
    & skf21("5","3","4","3","4","5","2","1") = "4"
    & skf21("5","3","4","3","4","5","3","1") = "4"
    & skf21("5","3","4","3","4","5","4","1") = "4"
    & skf21("5","3","4","3","4","5","5","1") = "4"
    & skf21("5","3","4","3","4","5","6","1") = "5"
    & skf21("5","3","4","3","4","5","7","1") = "6"
    & skf21("5","3","4","3","4","6","1","1") = "5"
    & skf21("5","3","4","3","4","6","2","1") = "5"
    & skf21("5","3","4","3","4","6","3","1") = "5"
    & skf21("5","3","4","3","4","6","4","1") = "5"
    & skf21("5","3","4","3","4","6","5","1") = "5"
    & skf21("5","3","4","3","4","6","6","1") = "5"
    & skf21("5","3","4","3","4","6","7","1") = "6"
    & skf21("5","3","4","3","4","7","1","1") = "6"
    & skf21("5","3","4","3","4","7","2","1") = "6"
    & skf21("5","3","4","3","4","7","3","1") = "6"
    & skf21("5","3","4","3","4","7","4","1") = "6"
    & skf21("5","3","4","3","4","7","5","1") = "6"
    & skf21("5","3","4","3","4","7","6","1") = "6"
    & skf21("5","3","4","3","4","7","7","1") = "6"
    & skf21("5","3","4","3","5","1","1","1") = "4"
    & skf21("5","3","4","3","5","1","2","1") = "4"
    & skf21("5","3","4","3","5","1","3","1") = "4"
    & skf21("5","3","4","3","5","1","4","1") = "4"
    & skf21("5","3","4","3","5","1","5","1") = "4"
    & skf21("5","3","4","3","5","1","6","1") = "5"
    & skf21("5","3","4","3","5","1","7","1") = "6"
    & skf21("5","3","4","3","5","2","1","1") = "4"
    & skf21("5","3","4","3","5","2","2","1") = "4"
    & skf21("5","3","4","3","5","2","3","1") = "4"
    & skf21("5","3","4","3","5","2","4","1") = "4"
    & skf21("5","3","4","3","5","2","5","1") = "4"
    & skf21("5","3","4","3","5","2","6","1") = "5"
    & skf21("5","3","4","3","5","2","7","1") = "6"
    & skf21("5","3","4","3","5","3","1","1") = "4"
    & skf21("5","3","4","3","5","3","2","1") = "4"
    & skf21("5","3","4","3","5","3","3","1") = "4"
    & skf21("5","3","4","3","5","3","4","1") = "4"
    & skf21("5","3","4","3","5","3","5","1") = "4"
    & skf21("5","3","4","3","5","3","6","1") = "5"
    & skf21("5","3","4","3","5","3","7","1") = "6"
    & skf21("5","3","4","3","5","4","1","1") = "4"
    & skf21("5","3","4","3","5","4","2","1") = "4"
    & skf21("5","3","4","3","5","4","3","1") = "4"
    & skf21("5","3","4","3","5","4","4","1") = "4"
    & skf21("5","3","4","3","5","4","5","1") = "4"
    & skf21("5","3","4","3","5","4","6","1") = "5"
    & skf21("5","3","4","3","5","4","7","1") = "6"
    & skf21("5","3","4","3","5","5","1","1") = "4"
    & skf21("5","3","4","3","5","5","2","1") = "4"
    & skf21("5","3","4","3","5","5","3","1") = "4"
    & skf21("5","3","4","3","5","5","4","1") = "4"
    & skf21("5","3","4","3","5","5","5","1") = "4"
    & skf21("5","3","4","3","5","5","6","1") = "5"
    & skf21("5","3","4","3","5","5","7","1") = "6"
    & skf21("5","3","4","3","5","6","1","1") = "5"
    & skf21("5","3","4","3","5","6","2","1") = "5"
    & skf21("5","3","4","3","5","6","3","1") = "5"
    & skf21("5","3","4","3","5","6","4","1") = "5"
    & skf21("5","3","4","3","5","6","5","1") = "5"
    & skf21("5","3","4","3","5","6","6","1") = "5"
    & skf21("5","3","4","3","5","6","7","1") = "6"
    & skf21("5","3","4","3","5","7","1","1") = "6"
    & skf21("5","3","4","3","5","7","2","1") = "6"
    & skf21("5","3","4","3","5","7","3","1") = "6"
    & skf21("5","3","4","3","5","7","4","1") = "6"
    & skf21("5","3","4","3","5","7","5","1") = "6"
    & skf21("5","3","4","3","5","7","6","1") = "6"
    & skf21("5","3","4","3","5","7","7","1") = "6"
    & skf21("5","3","4","3","6","1","1","1") = "5"
    & skf21("5","3","4","3","6","1","2","1") = "5"
    & skf21("5","3","4","3","6","1","3","1") = "5"
    & skf21("5","3","4","3","6","1","4","1") = "5"
    & skf21("5","3","4","3","6","1","5","1") = "5"
    & skf21("5","3","4","3","6","1","6","1") = "5"
    & skf21("5","3","4","3","6","1","7","1") = "6"
    & skf21("5","3","4","3","6","2","1","1") = "5"
    & skf21("5","3","4","3","6","2","2","1") = "5"
    & skf21("5","3","4","3","6","2","3","1") = "5"
    & skf21("5","3","4","3","6","2","4","1") = "5"
    & skf21("5","3","4","3","6","2","5","1") = "5"
    & skf21("5","3","4","3","6","2","6","1") = "5"
    & skf21("5","3","4","3","6","2","7","1") = "6"
    & skf21("5","3","4","3","6","3","1","1") = "5"
    & skf21("5","3","4","3","6","3","2","1") = "5"
    & skf21("5","3","4","3","6","3","3","1") = "5"
    & skf21("5","3","4","3","6","3","4","1") = "5"
    & skf21("5","3","4","3","6","3","5","1") = "5"
    & skf21("5","3","4","3","6","3","6","1") = "5"
    & skf21("5","3","4","3","6","3","7","1") = "6"
    & skf21("5","3","4","3","6","4","1","1") = "5"
    & skf21("5","3","4","3","6","4","2","1") = "5"
    & skf21("5","3","4","3","6","4","3","1") = "5"
    & skf21("5","3","4","3","6","4","4","1") = "5"
    & skf21("5","3","4","3","6","4","5","1") = "5"
    & skf21("5","3","4","3","6","4","6","1") = "5"
    & skf21("5","3","4","3","6","4","7","1") = "6"
    & skf21("5","3","4","3","6","5","1","1") = "5"
    & skf21("5","3","4","3","6","5","2","1") = "5"
    & skf21("5","3","4","3","6","5","3","1") = "5"
    & skf21("5","3","4","3","6","5","4","1") = "5"
    & skf21("5","3","4","3","6","5","5","1") = "5"
    & skf21("5","3","4","3","6","5","6","1") = "5"
    & skf21("5","3","4","3","6","5","7","1") = "6"
    & skf21("5","3","4","3","6","6","1","1") = "5"
    & skf21("5","3","4","3","6","6","2","1") = "5"
    & skf21("5","3","4","3","6","6","3","1") = "5"
    & skf21("5","3","4","3","6","6","4","1") = "5"
    & skf21("5","3","4","3","6","6","5","1") = "5"
    & skf21("5","3","4","3","6","6","6","1") = "5"
    & skf21("5","3","4","3","6","6","7","1") = "6"
    & skf21("5","3","4","3","6","7","1","1") = "6"
    & skf21("5","3","4","3","6","7","2","1") = "6"
    & skf21("5","3","4","3","6","7","3","1") = "6"
    & skf21("5","3","4","3","6","7","4","1") = "6"
    & skf21("5","3","4","3","6","7","5","1") = "6"
    & skf21("5","3","4","3","6","7","6","1") = "6"
    & skf21("5","3","4","3","6","7","7","1") = "6"
    & skf21("5","3","4","3","7","1","1","1") = "6"
    & skf21("5","3","4","3","7","1","2","1") = "6"
    & skf21("5","3","4","3","7","1","3","1") = "6"
    & skf21("5","3","4","3","7","1","4","1") = "6"
    & skf21("5","3","4","3","7","1","5","1") = "6"
    & skf21("5","3","4","3","7","1","6","1") = "6"
    & skf21("5","3","4","3","7","1","7","1") = "6"
    & skf21("5","3","4","3","7","2","1","1") = "6"
    & skf21("5","3","4","3","7","2","2","1") = "6"
    & skf21("5","3","4","3","7","2","3","1") = "6"
    & skf21("5","3","4","3","7","2","4","1") = "6"
    & skf21("5","3","4","3","7","2","5","1") = "6"
    & skf21("5","3","4","3","7","2","6","1") = "6"
    & skf21("5","3","4","3","7","2","7","1") = "6"
    & skf21("5","3","4","3","7","3","1","1") = "6"
    & skf21("5","3","4","3","7","3","2","1") = "6"
    & skf21("5","3","4","3","7","3","3","1") = "6"
    & skf21("5","3","4","3","7","3","4","1") = "6"
    & skf21("5","3","4","3","7","3","5","1") = "6"
    & skf21("5","3","4","3","7","3","6","1") = "6"
    & skf21("5","3","4","3","7","3","7","1") = "6"
    & skf21("5","3","4","3","7","4","1","1") = "6"
    & skf21("5","3","4","3","7","4","2","1") = "6"
    & skf21("5","3","4","3","7","4","3","1") = "6"
    & skf21("5","3","4","3","7","4","4","1") = "6"
    & skf21("5","3","4","3","7","4","5","1") = "6"
    & skf21("5","3","4","3","7","4","6","1") = "6"
    & skf21("5","3","4","3","7","4","7","1") = "6"
    & skf21("5","3","4","3","7","5","1","1") = "6"
    & skf21("5","3","4","3","7","5","2","1") = "6"
    & skf21("5","3","4","3","7","5","3","1") = "6"
    & skf21("5","3","4","3","7","5","4","1") = "6"
    & skf21("5","3","4","3","7","5","5","1") = "6"
    & skf21("5","3","4","3","7","5","6","1") = "6"
    & skf21("5","3","4","3","7","5","7","1") = "6"
    & skf21("5","3","4","3","7","6","1","1") = "6"
    & skf21("5","3","4","3","7","6","2","1") = "6"
    & skf21("5","3","4","3","7","6","3","1") = "6"
    & skf21("5","3","4","3","7","6","4","1") = "6"
    & skf21("5","3","4","3","7","6","5","1") = "6"
    & skf21("5","3","4","3","7","6","6","1") = "6"
    & skf21("5","3","4","3","7","6","7","1") = "6"
    & skf21("5","3","4","3","7","7","1","1") = "6"
    & skf21("5","3","4","3","7","7","2","1") = "6"
    & skf21("5","3","4","3","7","7","3","1") = "6"
    & skf21("5","3","4","3","7","7","4","1") = "6"
    & skf21("5","3","4","3","7","7","5","1") = "6"
    & skf21("5","3","4","3","7","7","6","1") = "6"
    & skf21("5","3","4","3","7","7","7","1") = "6"
    & skf21("5","3","4","4","1","1","1","1") = "4"
    & skf21("5","3","4","4","1","1","2","1") = "4"
    & skf21("5","3","4","4","1","1","3","1") = "4"
    & skf21("5","3","4","4","1","1","4","1") = "4"
    & skf21("5","3","4","4","1","1","5","1") = "4"
    & skf21("5","3","4","4","1","1","6","1") = "5"
    & skf21("5","3","4","4","1","1","7","1") = "6"
    & skf21("5","3","4","4","1","2","1","1") = "4"
    & skf21("5","3","4","4","1","2","2","1") = "4"
    & skf21("5","3","4","4","1","2","3","1") = "4"
    & skf21("5","3","4","4","1","2","4","1") = "4"
    & skf21("5","3","4","4","1","2","5","1") = "4"
    & skf21("5","3","4","4","1","2","6","1") = "5"
    & skf21("5","3","4","4","1","2","7","1") = "6"
    & skf21("5","3","4","4","1","3","1","1") = "4"
    & skf21("5","3","4","4","1","3","2","1") = "4"
    & skf21("5","3","4","4","1","3","3","1") = "4"
    & skf21("5","3","4","4","1","3","4","1") = "4"
    & skf21("5","3","4","4","1","3","5","1") = "4"
    & skf21("5","3","4","4","1","3","6","1") = "5"
    & skf21("5","3","4","4","1","3","7","1") = "6"
    & skf21("5","3","4","4","1","4","1","1") = "4"
    & skf21("5","3","4","4","1","4","2","1") = "4"
    & skf21("5","3","4","4","1","4","3","1") = "4"
    & skf21("5","3","4","4","1","4","4","1") = "4"
    & skf21("5","3","4","4","1","4","5","1") = "4"
    & skf21("5","3","4","4","1","4","6","1") = "5"
    & skf21("5","3","4","4","1","4","7","1") = "6"
    & skf21("5","3","4","4","1","5","1","1") = "4"
    & skf21("5","3","4","4","1","5","2","1") = "4"
    & skf21("5","3","4","4","1","5","3","1") = "4"
    & skf21("5","3","4","4","1","5","4","1") = "4"
    & skf21("5","3","4","4","1","5","5","1") = "4"
    & skf21("5","3","4","4","1","5","6","1") = "5"
    & skf21("5","3","4","4","1","5","7","1") = "6"
    & skf21("5","3","4","4","1","6","1","1") = "5"
    & skf21("5","3","4","4","1","6","2","1") = "5"
    & skf21("5","3","4","4","1","6","3","1") = "5"
    & skf21("5","3","4","4","1","6","4","1") = "5"
    & skf21("5","3","4","4","1","6","5","1") = "5"
    & skf21("5","3","4","4","1","6","6","1") = "5"
    & skf21("5","3","4","4","1","6","7","1") = "6"
    & skf21("5","3","4","4","1","7","1","1") = "6"
    & skf21("5","3","4","4","1","7","2","1") = "6"
    & skf21("5","3","4","4","1","7","3","1") = "6"
    & skf21("5","3","4","4","1","7","4","1") = "6"
    & skf21("5","3","4","4","1","7","5","1") = "6"
    & skf21("5","3","4","4","1","7","6","1") = "6"
    & skf21("5","3","4","4","1","7","7","1") = "6"
    & skf21("5","3","4","4","2","1","1","1") = "4"
    & skf21("5","3","4","4","2","1","2","1") = "4"
    & skf21("5","3","4","4","2","1","3","1") = "4"
    & skf21("5","3","4","4","2","1","4","1") = "4"
    & skf21("5","3","4","4","2","1","5","1") = "4"
    & skf21("5","3","4","4","2","1","6","1") = "5"
    & skf21("5","3","4","4","2","1","7","1") = "6"
    & skf21("5","3","4","4","2","2","1","1") = "4"
    & skf21("5","3","4","4","2","2","2","1") = "4"
    & skf21("5","3","4","4","2","2","3","1") = "4"
    & skf21("5","3","4","4","2","2","4","1") = "4"
    & skf21("5","3","4","4","2","2","5","1") = "4"
    & skf21("5","3","4","4","2","2","6","1") = "5"
    & skf21("5","3","4","4","2","2","7","1") = "6"
    & skf21("5","3","4","4","2","3","1","1") = "4"
    & skf21("5","3","4","4","2","3","2","1") = "4"
    & skf21("5","3","4","4","2","3","3","1") = "4"
    & skf21("5","3","4","4","2","3","4","1") = "4"
    & skf21("5","3","4","4","2","3","5","1") = "4"
    & skf21("5","3","4","4","2","3","6","1") = "5"
    & skf21("5","3","4","4","2","3","7","1") = "6"
    & skf21("5","3","4","4","2","4","1","1") = "4"
    & skf21("5","3","4","4","2","4","2","1") = "4"
    & skf21("5","3","4","4","2","4","3","1") = "4"
    & skf21("5","3","4","4","2","4","4","1") = "4"
    & skf21("5","3","4","4","2","4","5","1") = "4"
    & skf21("5","3","4","4","2","4","6","1") = "5"
    & skf21("5","3","4","4","2","4","7","1") = "6"
    & skf21("5","3","4","4","2","5","1","1") = "4"
    & skf21("5","3","4","4","2","5","2","1") = "4"
    & skf21("5","3","4","4","2","5","3","1") = "4"
    & skf21("5","3","4","4","2","5","4","1") = "4"
    & skf21("5","3","4","4","2","5","5","1") = "4"
    & skf21("5","3","4","4","2","5","6","1") = "5"
    & skf21("5","3","4","4","2","5","7","1") = "6"
    & skf21("5","3","4","4","2","6","1","1") = "5"
    & skf21("5","3","4","4","2","6","2","1") = "5"
    & skf21("5","3","4","4","2","6","3","1") = "5"
    & skf21("5","3","4","4","2","6","4","1") = "5"
    & skf21("5","3","4","4","2","6","5","1") = "5"
    & skf21("5","3","4","4","2","6","6","1") = "5"
    & skf21("5","3","4","4","2","6","7","1") = "6"
    & skf21("5","3","4","4","2","7","1","1") = "6"
    & skf21("5","3","4","4","2","7","2","1") = "6"
    & skf21("5","3","4","4","2","7","3","1") = "6"
    & skf21("5","3","4","4","2","7","4","1") = "6"
    & skf21("5","3","4","4","2","7","5","1") = "6"
    & skf21("5","3","4","4","2","7","6","1") = "6"
    & skf21("5","3","4","4","2","7","7","1") = "6"
    & skf21("5","3","4","4","3","1","1","1") = "4"
    & skf21("5","3","4","4","3","1","2","1") = "4"
    & skf21("5","3","4","4","3","1","3","1") = "4"
    & skf21("5","3","4","4","3","1","4","1") = "4"
    & skf21("5","3","4","4","3","1","5","1") = "4"
    & skf21("5","3","4","4","3","1","6","1") = "5"
    & skf21("5","3","4","4","3","1","7","1") = "6"
    & skf21("5","3","4","4","3","2","1","1") = "4"
    & skf21("5","3","4","4","3","2","2","1") = "4"
    & skf21("5","3","4","4","3","2","3","1") = "4"
    & skf21("5","3","4","4","3","2","4","1") = "4"
    & skf21("5","3","4","4","3","2","5","1") = "4"
    & skf21("5","3","4","4","3","2","6","1") = "5"
    & skf21("5","3","4","4","3","2","7","1") = "6"
    & skf21("5","3","4","4","3","3","1","1") = "4"
    & skf21("5","3","4","4","3","3","2","1") = "4"
    & skf21("5","3","4","4","3","3","3","1") = "4"
    & skf21("5","3","4","4","3","3","4","1") = "4"
    & skf21("5","3","4","4","3","3","5","1") = "4"
    & skf21("5","3","4","4","3","3","6","1") = "5"
    & skf21("5","3","4","4","3","3","7","1") = "6"
    & skf21("5","3","4","4","3","4","1","1") = "4"
    & skf21("5","3","4","4","3","4","2","1") = "4"
    & skf21("5","3","4","4","3","4","3","1") = "4"
    & skf21("5","3","4","4","3","4","4","1") = "4"
    & skf21("5","3","4","4","3","4","5","1") = "4"
    & skf21("5","3","4","4","3","4","6","1") = "5"
    & skf21("5","3","4","4","3","4","7","1") = "6"
    & skf21("5","3","4","4","3","5","1","1") = "4"
    & skf21("5","3","4","4","3","5","2","1") = "4"
    & skf21("5","3","4","4","3","5","3","1") = "4"
    & skf21("5","3","4","4","3","5","4","1") = "4"
    & skf21("5","3","4","4","3","5","5","1") = "4"
    & skf21("5","3","4","4","3","5","6","1") = "5"
    & skf21("5","3","4","4","3","5","7","1") = "6"
    & skf21("5","3","4","4","3","6","1","1") = "5"
    & skf21("5","3","4","4","3","6","2","1") = "5"
    & skf21("5","3","4","4","3","6","3","1") = "5"
    & skf21("5","3","4","4","3","6","4","1") = "5"
    & skf21("5","3","4","4","3","6","5","1") = "5"
    & skf21("5","3","4","4","3","6","6","1") = "5"
    & skf21("5","3","4","4","3","6","7","1") = "6"
    & skf21("5","3","4","4","3","7","1","1") = "6"
    & skf21("5","3","4","4","3","7","2","1") = "6"
    & skf21("5","3","4","4","3","7","3","1") = "6"
    & skf21("5","3","4","4","3","7","4","1") = "6"
    & skf21("5","3","4","4","3","7","5","1") = "6"
    & skf21("5","3","4","4","3","7","6","1") = "6"
    & skf21("5","3","4","4","3","7","7","1") = "6"
    & skf21("5","3","4","4","4","1","1","1") = "4"
    & skf21("5","3","4","4","4","1","2","1") = "4"
    & skf21("5","3","4","4","4","1","3","1") = "4"
    & skf21("5","3","4","4","4","1","4","1") = "4"
    & skf21("5","3","4","4","4","1","5","1") = "4"
    & skf21("5","3","4","4","4","1","6","1") = "5"
    & skf21("5","3","4","4","4","1","7","1") = "6"
    & skf21("5","3","4","4","4","2","1","1") = "4"
    & skf21("5","3","4","4","4","2","2","1") = "4"
    & skf21("5","3","4","4","4","2","3","1") = "4"
    & skf21("5","3","4","4","4","2","4","1") = "4"
    & skf21("5","3","4","4","4","2","5","1") = "4"
    & skf21("5","3","4","4","4","2","6","1") = "5"
    & skf21("5","3","4","4","4","2","7","1") = "6"
    & skf21("5","3","4","4","4","3","1","1") = "4"
    & skf21("5","3","4","4","4","3","2","1") = "4"
    & skf21("5","3","4","4","4","3","3","1") = "4"
    & skf21("5","3","4","4","4","3","4","1") = "4"
    & skf21("5","3","4","4","4","3","5","1") = "4"
    & skf21("5","3","4","4","4","3","6","1") = "5"
    & skf21("5","3","4","4","4","3","7","1") = "6"
    & skf21("5","3","4","4","4","4","1","1") = "4"
    & skf21("5","3","4","4","4","4","2","1") = "4"
    & skf21("5","3","4","4","4","4","3","1") = "4"
    & skf21("5","3","4","4","4","4","4","1") = "4"
    & skf21("5","3","4","4","4","4","5","1") = "4"
    & skf21("5","3","4","4","4","4","6","1") = "5"
    & skf21("5","3","4","4","4","4","7","1") = "6"
    & skf21("5","3","4","4","4","5","1","1") = "4"
    & skf21("5","3","4","4","4","5","2","1") = "4"
    & skf21("5","3","4","4","4","5","3","1") = "4"
    & skf21("5","3","4","4","4","5","4","1") = "4"
    & skf21("5","3","4","4","4","5","5","1") = "4"
    & skf21("5","3","4","4","4","5","6","1") = "5"
    & skf21("5","3","4","4","4","5","7","1") = "6"
    & skf21("5","3","4","4","4","6","1","1") = "5"
    & skf21("5","3","4","4","4","6","2","1") = "5"
    & skf21("5","3","4","4","4","6","3","1") = "5"
    & skf21("5","3","4","4","4","6","4","1") = "5"
    & skf21("5","3","4","4","4","6","5","1") = "5"
    & skf21("5","3","4","4","4","6","6","1") = "5"
    & skf21("5","3","4","4","4","6","7","1") = "6"
    & skf21("5","3","4","4","4","7","1","1") = "6"
    & skf21("5","3","4","4","4","7","2","1") = "6"
    & skf21("5","3","4","4","4","7","3","1") = "6"
    & skf21("5","3","4","4","4","7","4","1") = "6"
    & skf21("5","3","4","4","4","7","5","1") = "6"
    & skf21("5","3","4","4","4","7","6","1") = "6"
    & skf21("5","3","4","4","4","7","7","1") = "6"
    & skf21("5","3","4","4","5","1","1","1") = "4"
    & skf21("5","3","4","4","5","1","2","1") = "4"
    & skf21("5","3","4","4","5","1","3","1") = "4"
    & skf21("5","3","4","4","5","1","4","1") = "4"
    & skf21("5","3","4","4","5","1","5","1") = "4"
    & skf21("5","3","4","4","5","1","6","1") = "5"
    & skf21("5","3","4","4","5","1","7","1") = "6"
    & skf21("5","3","4","4","5","2","1","1") = "4"
    & skf21("5","3","4","4","5","2","2","1") = "4"
    & skf21("5","3","4","4","5","2","3","1") = "4"
    & skf21("5","3","4","4","5","2","4","1") = "4"
    & skf21("5","3","4","4","5","2","5","1") = "4"
    & skf21("5","3","4","4","5","2","6","1") = "5"
    & skf21("5","3","4","4","5","2","7","1") = "6"
    & skf21("5","3","4","4","5","3","1","1") = "4"
    & skf21("5","3","4","4","5","3","2","1") = "4"
    & skf21("5","3","4","4","5","3","3","1") = "4"
    & skf21("5","3","4","4","5","3","4","1") = "4"
    & skf21("5","3","4","4","5","3","5","1") = "4"
    & skf21("5","3","4","4","5","3","6","1") = "5"
    & skf21("5","3","4","4","5","3","7","1") = "6"
    & skf21("5","3","4","4","5","4","1","1") = "4"
    & skf21("5","3","4","4","5","4","2","1") = "4"
    & skf21("5","3","4","4","5","4","3","1") = "4"
    & skf21("5","3","4","4","5","4","4","1") = "4"
    & skf21("5","3","4","4","5","4","5","1") = "4"
    & skf21("5","3","4","4","5","4","6","1") = "5"
    & skf21("5","3","4","4","5","4","7","1") = "6"
    & skf21("5","3","4","4","5","5","1","1") = "4"
    & skf21("5","3","4","4","5","5","2","1") = "4"
    & skf21("5","3","4","4","5","5","3","1") = "4"
    & skf21("5","3","4","4","5","5","4","1") = "4"
    & skf21("5","3","4","4","5","5","5","1") = "4"
    & skf21("5","3","4","4","5","5","6","1") = "5"
    & skf21("5","3","4","4","5","5","7","1") = "6"
    & skf21("5","3","4","4","5","6","1","1") = "5"
    & skf21("5","3","4","4","5","6","2","1") = "5"
    & skf21("5","3","4","4","5","6","3","1") = "5"
    & skf21("5","3","4","4","5","6","4","1") = "5"
    & skf21("5","3","4","4","5","6","5","1") = "5"
    & skf21("5","3","4","4","5","6","6","1") = "5"
    & skf21("5","3","4","4","5","6","7","1") = "6"
    & skf21("5","3","4","4","5","7","1","1") = "6"
    & skf21("5","3","4","4","5","7","2","1") = "6"
    & skf21("5","3","4","4","5","7","3","1") = "6"
    & skf21("5","3","4","4","5","7","4","1") = "6"
    & skf21("5","3","4","4","5","7","5","1") = "6"
    & skf21("5","3","4","4","5","7","6","1") = "6"
    & skf21("5","3","4","4","5","7","7","1") = "6"
    & skf21("5","3","4","4","6","1","1","1") = "5"
    & skf21("5","3","4","4","6","1","2","1") = "5"
    & skf21("5","3","4","4","6","1","3","1") = "5"
    & skf21("5","3","4","4","6","1","4","1") = "5"
    & skf21("5","3","4","4","6","1","5","1") = "5"
    & skf21("5","3","4","4","6","1","6","1") = "5"
    & skf21("5","3","4","4","6","1","7","1") = "6"
    & skf21("5","3","4","4","6","2","1","1") = "5"
    & skf21("5","3","4","4","6","2","2","1") = "5"
    & skf21("5","3","4","4","6","2","3","1") = "5"
    & skf21("5","3","4","4","6","2","4","1") = "5"
    & skf21("5","3","4","4","6","2","5","1") = "5"
    & skf21("5","3","4","4","6","2","6","1") = "5"
    & skf21("5","3","4","4","6","2","7","1") = "6"
    & skf21("5","3","4","4","6","3","1","1") = "5"
    & skf21("5","3","4","4","6","3","2","1") = "5"
    & skf21("5","3","4","4","6","3","3","1") = "5"
    & skf21("5","3","4","4","6","3","4","1") = "5"
    & skf21("5","3","4","4","6","3","5","1") = "5"
    & skf21("5","3","4","4","6","3","6","1") = "5"
    & skf21("5","3","4","4","6","3","7","1") = "6"
    & skf21("5","3","4","4","6","4","1","1") = "5"
    & skf21("5","3","4","4","6","4","2","1") = "5"
    & skf21("5","3","4","4","6","4","3","1") = "5"
    & skf21("5","3","4","4","6","4","4","1") = "5"
    & skf21("5","3","4","4","6","4","5","1") = "5"
    & skf21("5","3","4","4","6","4","6","1") = "5"
    & skf21("5","3","4","4","6","4","7","1") = "6"
    & skf21("5","3","4","4","6","5","1","1") = "5"
    & skf21("5","3","4","4","6","5","2","1") = "5"
    & skf21("5","3","4","4","6","5","3","1") = "5"
    & skf21("5","3","4","4","6","5","4","1") = "5"
    & skf21("5","3","4","4","6","5","5","1") = "5"
    & skf21("5","3","4","4","6","5","6","1") = "5"
    & skf21("5","3","4","4","6","5","7","1") = "6"
    & skf21("5","3","4","4","6","6","1","1") = "5"
    & skf21("5","3","4","4","6","6","2","1") = "5"
    & skf21("5","3","4","4","6","6","3","1") = "5"
    & skf21("5","3","4","4","6","6","4","1") = "5"
    & skf21("5","3","4","4","6","6","5","1") = "5"
    & skf21("5","3","4","4","6","6","6","1") = "5"
    & skf21("5","3","4","4","6","6","7","1") = "6"
    & skf21("5","3","4","4","6","7","1","1") = "6"
    & skf21("5","3","4","4","6","7","2","1") = "6"
    & skf21("5","3","4","4","6","7","3","1") = "6"
    & skf21("5","3","4","4","6","7","4","1") = "6"
    & skf21("5","3","4","4","6","7","5","1") = "6"
    & skf21("5","3","4","4","6","7","6","1") = "6"
    & skf21("5","3","4","4","6","7","7","1") = "6"
    & skf21("5","3","4","4","7","1","1","1") = "6"
    & skf21("5","3","4","4","7","1","2","1") = "6"
    & skf21("5","3","4","4","7","1","3","1") = "6"
    & skf21("5","3","4","4","7","1","4","1") = "6"
    & skf21("5","3","4","4","7","1","5","1") = "6"
    & skf21("5","3","4","4","7","1","6","1") = "6"
    & skf21("5","3","4","4","7","1","7","1") = "6"
    & skf21("5","3","4","4","7","2","1","1") = "6"
    & skf21("5","3","4","4","7","2","2","1") = "6"
    & skf21("5","3","4","4","7","2","3","1") = "6"
    & skf21("5","3","4","4","7","2","4","1") = "6"
    & skf21("5","3","4","4","7","2","5","1") = "6"
    & skf21("5","3","4","4","7","2","6","1") = "6"
    & skf21("5","3","4","4","7","2","7","1") = "6"
    & skf21("5","3","4","4","7","3","1","1") = "6"
    & skf21("5","3","4","4","7","3","2","1") = "6"
    & skf21("5","3","4","4","7","3","3","1") = "6"
    & skf21("5","3","4","4","7","3","4","1") = "6"
    & skf21("5","3","4","4","7","3","5","1") = "6"
    & skf21("5","3","4","4","7","3","6","1") = "6"
    & skf21("5","3","4","4","7","3","7","1") = "6"
    & skf21("5","3","4","4","7","4","1","1") = "6"
    & skf21("5","3","4","4","7","4","2","1") = "6"
    & skf21("5","3","4","4","7","4","3","1") = "6"
    & skf21("5","3","4","4","7","4","4","1") = "6"
    & skf21("5","3","4","4","7","4","5","1") = "6"
    & skf21("5","3","4","4","7","4","6","1") = "6"
    & skf21("5","3","4","4","7","4","7","1") = "6"
    & skf21("5","3","4","4","7","5","1","1") = "6"
    & skf21("5","3","4","4","7","5","2","1") = "6"
    & skf21("5","3","4","4","7","5","3","1") = "6"
    & skf21("5","3","4","4","7","5","4","1") = "6"
    & skf21("5","3","4","4","7","5","5","1") = "6"
    & skf21("5","3","4","4","7","5","6","1") = "6"
    & skf21("5","3","4","4","7","5","7","1") = "6"
    & skf21("5","3","4","4","7","6","1","1") = "6"
    & skf21("5","3","4","4","7","6","2","1") = "6"
    & skf21("5","3","4","4","7","6","3","1") = "6"
    & skf21("5","3","4","4","7","6","4","1") = "6"
    & skf21("5","3","4","4","7","6","5","1") = "6"
    & skf21("5","3","4","4","7","6","6","1") = "6"
    & skf21("5","3","4","4","7","6","7","1") = "6"
    & skf21("5","3","4","4","7","7","1","1") = "6"
    & skf21("5","3","4","4","7","7","2","1") = "6"
    & skf21("5","3","4","4","7","7","3","1") = "6"
    & skf21("5","3","4","4","7","7","4","1") = "6"
    & skf21("5","3","4","4","7","7","5","1") = "6"
    & skf21("5","3","4","4","7","7","6","1") = "6"
    & skf21("5","3","4","4","7","7","7","1") = "6"
    & skf21("5","3","4","5","1","1","1","1") = "4"
    & skf21("5","3","4","5","1","1","2","1") = "4"
    & skf21("5","3","4","5","1","1","3","1") = "4"
    & skf21("5","3","4","5","1","1","4","1") = "4"
    & skf21("5","3","4","5","1","1","5","1") = "4"
    & skf21("5","3","4","5","1","1","6","1") = "5"
    & skf21("5","3","4","5","1","1","7","1") = "6"
    & skf21("5","3","4","5","1","2","1","1") = "4"
    & skf21("5","3","4","5","1","2","2","1") = "4"
    & skf21("5","3","4","5","1","2","3","1") = "4"
    & skf21("5","3","4","5","1","2","4","1") = "4"
    & skf21("5","3","4","5","1","2","5","1") = "4"
    & skf21("5","3","4","5","1","2","6","1") = "5"
    & skf21("5","3","4","5","1","2","7","1") = "6"
    & skf21("5","3","4","5","1","3","1","1") = "4"
    & skf21("5","3","4","5","1","3","2","1") = "4"
    & skf21("5","3","4","5","1","3","3","1") = "4"
    & skf21("5","3","4","5","1","3","4","1") = "4"
    & skf21("5","3","4","5","1","3","5","1") = "4"
    & skf21("5","3","4","5","1","3","6","1") = "5"
    & skf21("5","3","4","5","1","3","7","1") = "6"
    & skf21("5","3","4","5","1","4","1","1") = "4"
    & skf21("5","3","4","5","1","4","2","1") = "4"
    & skf21("5","3","4","5","1","4","3","1") = "4"
    & skf21("5","3","4","5","1","4","4","1") = "4"
    & skf21("5","3","4","5","1","4","5","1") = "4"
    & skf21("5","3","4","5","1","4","6","1") = "5"
    & skf21("5","3","4","5","1","4","7","1") = "6"
    & skf21("5","3","4","5","1","5","1","1") = "4"
    & skf21("5","3","4","5","1","5","2","1") = "4"
    & skf21("5","3","4","5","1","5","3","1") = "4"
    & skf21("5","3","4","5","1","5","4","1") = "4"
    & skf21("5","3","4","5","1","5","5","1") = "4"
    & skf21("5","3","4","5","1","5","6","1") = "5"
    & skf21("5","3","4","5","1","5","7","1") = "6"
    & skf21("5","3","4","5","1","6","1","1") = "5"
    & skf21("5","3","4","5","1","6","2","1") = "5"
    & skf21("5","3","4","5","1","6","3","1") = "5"
    & skf21("5","3","4","5","1","6","4","1") = "5"
    & skf21("5","3","4","5","1","6","5","1") = "5"
    & skf21("5","3","4","5","1","6","6","1") = "5"
    & skf21("5","3","4","5","1","6","7","1") = "6"
    & skf21("5","3","4","5","1","7","1","1") = "6"
    & skf21("5","3","4","5","1","7","2","1") = "6"
    & skf21("5","3","4","5","1","7","3","1") = "6"
    & skf21("5","3","4","5","1","7","4","1") = "6"
    & skf21("5","3","4","5","1","7","5","1") = "6"
    & skf21("5","3","4","5","1","7","6","1") = "6"
    & skf21("5","3","4","5","1","7","7","1") = "6"
    & skf21("5","3","4","5","2","1","1","1") = "4"
    & skf21("5","3","4","5","2","1","2","1") = "4"
    & skf21("5","3","4","5","2","1","3","1") = "4"
    & skf21("5","3","4","5","2","1","4","1") = "4"
    & skf21("5","3","4","5","2","1","5","1") = "4"
    & skf21("5","3","4","5","2","1","6","1") = "5"
    & skf21("5","3","4","5","2","1","7","1") = "6"
    & skf21("5","3","4","5","2","2","1","1") = "4"
    & skf21("5","3","4","5","2","2","2","1") = "4"
    & skf21("5","3","4","5","2","2","3","1") = "4"
    & skf21("5","3","4","5","2","2","4","1") = "4"
    & skf21("5","3","4","5","2","2","5","1") = "4"
    & skf21("5","3","4","5","2","2","6","1") = "5"
    & skf21("5","3","4","5","2","2","7","1") = "6"
    & skf21("5","3","4","5","2","3","1","1") = "4"
    & skf21("5","3","4","5","2","3","2","1") = "4"
    & skf21("5","3","4","5","2","3","3","1") = "4"
    & skf21("5","3","4","5","2","3","4","1") = "4"
    & skf21("5","3","4","5","2","3","5","1") = "4"
    & skf21("5","3","4","5","2","3","6","1") = "5"
    & skf21("5","3","4","5","2","3","7","1") = "6"
    & skf21("5","3","4","5","2","4","1","1") = "4"
    & skf21("5","3","4","5","2","4","2","1") = "4"
    & skf21("5","3","4","5","2","4","3","1") = "4"
    & skf21("5","3","4","5","2","4","4","1") = "4"
    & skf21("5","3","4","5","2","4","5","1") = "4"
    & skf21("5","3","4","5","2","4","6","1") = "5"
    & skf21("5","3","4","5","2","4","7","1") = "6"
    & skf21("5","3","4","5","2","5","1","1") = "4"
    & skf21("5","3","4","5","2","5","2","1") = "4"
    & skf21("5","3","4","5","2","5","3","1") = "4"
    & skf21("5","3","4","5","2","5","4","1") = "4"
    & skf21("5","3","4","5","2","5","5","1") = "4"
    & skf21("5","3","4","5","2","5","6","1") = "5"
    & skf21("5","3","4","5","2","5","7","1") = "6"
    & skf21("5","3","4","5","2","6","1","1") = "5"
    & skf21("5","3","4","5","2","6","2","1") = "5"
    & skf21("5","3","4","5","2","6","3","1") = "5"
    & skf21("5","3","4","5","2","6","4","1") = "5"
    & skf21("5","3","4","5","2","6","5","1") = "5"
    & skf21("5","3","4","5","2","6","6","1") = "5"
    & skf21("5","3","4","5","2","6","7","1") = "6"
    & skf21("5","3","4","5","2","7","1","1") = "6"
    & skf21("5","3","4","5","2","7","2","1") = "6"
    & skf21("5","3","4","5","2","7","3","1") = "6"
    & skf21("5","3","4","5","2","7","4","1") = "6"
    & skf21("5","3","4","5","2","7","5","1") = "6"
    & skf21("5","3","4","5","2","7","6","1") = "6"
    & skf21("5","3","4","5","2","7","7","1") = "6"
    & skf21("5","3","4","5","3","1","1","1") = "4"
    & skf21("5","3","4","5","3","1","2","1") = "4"
    & skf21("5","3","4","5","3","1","3","1") = "4"
    & skf21("5","3","4","5","3","1","4","1") = "4"
    & skf21("5","3","4","5","3","1","5","1") = "4"
    & skf21("5","3","4","5","3","1","6","1") = "5"
    & skf21("5","3","4","5","3","1","7","1") = "6"
    & skf21("5","3","4","5","3","2","1","1") = "4"
    & skf21("5","3","4","5","3","2","2","1") = "4"
    & skf21("5","3","4","5","3","2","3","1") = "4"
    & skf21("5","3","4","5","3","2","4","1") = "4"
    & skf21("5","3","4","5","3","2","5","1") = "4"
    & skf21("5","3","4","5","3","2","6","1") = "5"
    & skf21("5","3","4","5","3","2","7","1") = "6"
    & skf21("5","3","4","5","3","3","1","1") = "4"
    & skf21("5","3","4","5","3","3","2","1") = "4"
    & skf21("5","3","4","5","3","3","3","1") = "4"
    & skf21("5","3","4","5","3","3","4","1") = "4"
    & skf21("5","3","4","5","3","3","5","1") = "4"
    & skf21("5","3","4","5","3","3","6","1") = "5"
    & skf21("5","3","4","5","3","3","7","1") = "6"
    & skf21("5","3","4","5","3","4","1","1") = "4"
    & skf21("5","3","4","5","3","4","2","1") = "4"
    & skf21("5","3","4","5","3","4","3","1") = "4"
    & skf21("5","3","4","5","3","4","4","1") = "4"
    & skf21("5","3","4","5","3","4","5","1") = "4"
    & skf21("5","3","4","5","3","4","6","1") = "5"
    & skf21("5","3","4","5","3","4","7","1") = "6"
    & skf21("5","3","4","5","3","5","1","1") = "4"
    & skf21("5","3","4","5","3","5","2","1") = "4"
    & skf21("5","3","4","5","3","5","3","1") = "4"
    & skf21("5","3","4","5","3","5","4","1") = "4"
    & skf21("5","3","4","5","3","5","5","1") = "4"
    & skf21("5","3","4","5","3","5","6","1") = "5"
    & skf21("5","3","4","5","3","5","7","1") = "6"
    & skf21("5","3","4","5","3","6","1","1") = "5"
    & skf21("5","3","4","5","3","6","2","1") = "5"
    & skf21("5","3","4","5","3","6","3","1") = "5"
    & skf21("5","3","4","5","3","6","4","1") = "5"
    & skf21("5","3","4","5","3","6","5","1") = "5"
    & skf21("5","3","4","5","3","6","6","1") = "5"
    & skf21("5","3","4","5","3","6","7","1") = "6"
    & skf21("5","3","4","5","3","7","1","1") = "6"
    & skf21("5","3","4","5","3","7","2","1") = "6"
    & skf21("5","3","4","5","3","7","3","1") = "6"
    & skf21("5","3","4","5","3","7","4","1") = "6"
    & skf21("5","3","4","5","3","7","5","1") = "6"
    & skf21("5","3","4","5","3","7","6","1") = "6"
    & skf21("5","3","4","5","3","7","7","1") = "6"
    & skf21("5","3","4","5","4","1","1","1") = "4"
    & skf21("5","3","4","5","4","1","2","1") = "4"
    & skf21("5","3","4","5","4","1","3","1") = "4"
    & skf21("5","3","4","5","4","1","4","1") = "4"
    & skf21("5","3","4","5","4","1","5","1") = "4"
    & skf21("5","3","4","5","4","1","6","1") = "5"
    & skf21("5","3","4","5","4","1","7","1") = "6"
    & skf21("5","3","4","5","4","2","1","1") = "4"
    & skf21("5","3","4","5","4","2","2","1") = "4"
    & skf21("5","3","4","5","4","2","3","1") = "4"
    & skf21("5","3","4","5","4","2","4","1") = "4"
    & skf21("5","3","4","5","4","2","5","1") = "4"
    & skf21("5","3","4","5","4","2","6","1") = "5"
    & skf21("5","3","4","5","4","2","7","1") = "6"
    & skf21("5","3","4","5","4","3","1","1") = "4"
    & skf21("5","3","4","5","4","3","2","1") = "4"
    & skf21("5","3","4","5","4","3","3","1") = "4"
    & skf21("5","3","4","5","4","3","4","1") = "4"
    & skf21("5","3","4","5","4","3","5","1") = "4"
    & skf21("5","3","4","5","4","3","6","1") = "5"
    & skf21("5","3","4","5","4","3","7","1") = "6"
    & skf21("5","3","4","5","4","4","1","1") = "4"
    & skf21("5","3","4","5","4","4","2","1") = "4"
    & skf21("5","3","4","5","4","4","3","1") = "4"
    & skf21("5","3","4","5","4","4","4","1") = "4"
    & skf21("5","3","4","5","4","4","5","1") = "4"
    & skf21("5","3","4","5","4","4","6","1") = "5"
    & skf21("5","3","4","5","4","4","7","1") = "6"
    & skf21("5","3","4","5","4","5","1","1") = "4"
    & skf21("5","3","4","5","4","5","2","1") = "4"
    & skf21("5","3","4","5","4","5","3","1") = "4"
    & skf21("5","3","4","5","4","5","4","1") = "4"
    & skf21("5","3","4","5","4","5","5","1") = "4"
    & skf21("5","3","4","5","4","5","6","1") = "5"
    & skf21("5","3","4","5","4","5","7","1") = "6"
    & skf21("5","3","4","5","4","6","1","1") = "5"
    & skf21("5","3","4","5","4","6","2","1") = "5"
    & skf21("5","3","4","5","4","6","3","1") = "5"
    & skf21("5","3","4","5","4","6","4","1") = "5"
    & skf21("5","3","4","5","4","6","5","1") = "5"
    & skf21("5","3","4","5","4","6","6","1") = "5"
    & skf21("5","3","4","5","4","6","7","1") = "6"
    & skf21("5","3","4","5","4","7","1","1") = "6"
    & skf21("5","3","4","5","4","7","2","1") = "6"
    & skf21("5","3","4","5","4","7","3","1") = "6"
    & skf21("5","3","4","5","4","7","4","1") = "6"
    & skf21("5","3","4","5","4","7","5","1") = "6"
    & skf21("5","3","4","5","4","7","6","1") = "6"
    & skf21("5","3","4","5","4","7","7","1") = "6"
    & skf21("5","3","4","5","5","1","1","1") = "4"
    & skf21("5","3","4","5","5","1","2","1") = "4"
    & skf21("5","3","4","5","5","1","3","1") = "4"
    & skf21("5","3","4","5","5","1","4","1") = "4"
    & skf21("5","3","4","5","5","1","5","1") = "4"
    & skf21("5","3","4","5","5","1","6","1") = "5"
    & skf21("5","3","4","5","5","1","7","1") = "6"
    & skf21("5","3","4","5","5","2","1","1") = "4"
    & skf21("5","3","4","5","5","2","2","1") = "4"
    & skf21("5","3","4","5","5","2","3","1") = "4"
    & skf21("5","3","4","5","5","2","4","1") = "4"
    & skf21("5","3","4","5","5","2","5","1") = "4"
    & skf21("5","3","4","5","5","2","6","1") = "5"
    & skf21("5","3","4","5","5","2","7","1") = "6"
    & skf21("5","3","4","5","5","3","1","1") = "4"
    & skf21("5","3","4","5","5","3","2","1") = "4"
    & skf21("5","3","4","5","5","3","3","1") = "4"
    & skf21("5","3","4","5","5","3","4","1") = "4"
    & skf21("5","3","4","5","5","3","5","1") = "4"
    & skf21("5","3","4","5","5","3","6","1") = "5"
    & skf21("5","3","4","5","5","3","7","1") = "6"
    & skf21("5","3","4","5","5","4","1","1") = "4"
    & skf21("5","3","4","5","5","4","2","1") = "4"
    & skf21("5","3","4","5","5","4","3","1") = "4"
    & skf21("5","3","4","5","5","4","4","1") = "4"
    & skf21("5","3","4","5","5","4","5","1") = "4"
    & skf21("5","3","4","5","5","4","6","1") = "5"
    & skf21("5","3","4","5","5","4","7","1") = "6"
    & skf21("5","3","4","5","5","5","1","1") = "4"
    & skf21("5","3","4","5","5","5","2","1") = "4"
    & skf21("5","3","4","5","5","5","3","1") = "4"
    & skf21("5","3","4","5","5","5","4","1") = "4"
    & skf21("5","3","4","5","5","5","5","1") = "4"
    & skf21("5","3","4","5","5","5","6","1") = "5"
    & skf21("5","3","4","5","5","5","7","1") = "6"
    & skf21("5","3","4","5","5","6","1","1") = "5"
    & skf21("5","3","4","5","5","6","2","1") = "5"
    & skf21("5","3","4","5","5","6","3","1") = "5"
    & skf21("5","3","4","5","5","6","4","1") = "5"
    & skf21("5","3","4","5","5","6","5","1") = "5"
    & skf21("5","3","4","5","5","6","6","1") = "5"
    & skf21("5","3","4","5","5","6","7","1") = "6"
    & skf21("5","3","4","5","5","7","1","1") = "6"
    & skf21("5","3","4","5","5","7","2","1") = "6"
    & skf21("5","3","4","5","5","7","3","1") = "6"
    & skf21("5","3","4","5","5","7","4","1") = "6"
    & skf21("5","3","4","5","5","7","5","1") = "6"
    & skf21("5","3","4","5","5","7","6","1") = "6"
    & skf21("5","3","4","5","5","7","7","1") = "6"
    & skf21("5","3","4","5","6","1","1","1") = "5"
    & skf21("5","3","4","5","6","1","2","1") = "5"
    & skf21("5","3","4","5","6","1","3","1") = "5"
    & skf21("5","3","4","5","6","1","4","1") = "5"
    & skf21("5","3","4","5","6","1","5","1") = "5"
    & skf21("5","3","4","5","6","1","6","1") = "5"
    & skf21("5","3","4","5","6","1","7","1") = "6"
    & skf21("5","3","4","5","6","2","1","1") = "5"
    & skf21("5","3","4","5","6","2","2","1") = "5"
    & skf21("5","3","4","5","6","2","3","1") = "5"
    & skf21("5","3","4","5","6","2","4","1") = "5"
    & skf21("5","3","4","5","6","2","5","1") = "5"
    & skf21("5","3","4","5","6","2","6","1") = "5"
    & skf21("5","3","4","5","6","2","7","1") = "6"
    & skf21("5","3","4","5","6","3","1","1") = "5"
    & skf21("5","3","4","5","6","3","2","1") = "5"
    & skf21("5","3","4","5","6","3","3","1") = "5"
    & skf21("5","3","4","5","6","3","4","1") = "5"
    & skf21("5","3","4","5","6","3","5","1") = "5"
    & skf21("5","3","4","5","6","3","6","1") = "5"
    & skf21("5","3","4","5","6","3","7","1") = "6"
    & skf21("5","3","4","5","6","4","1","1") = "5"
    & skf21("5","3","4","5","6","4","2","1") = "5"
    & skf21("5","3","4","5","6","4","3","1") = "5"
    & skf21("5","3","4","5","6","4","4","1") = "5"
    & skf21("5","3","4","5","6","4","5","1") = "5"
    & skf21("5","3","4","5","6","4","6","1") = "5"
    & skf21("5","3","4","5","6","4","7","1") = "6"
    & skf21("5","3","4","5","6","5","1","1") = "5"
    & skf21("5","3","4","5","6","5","2","1") = "5"
    & skf21("5","3","4","5","6","5","3","1") = "5"
    & skf21("5","3","4","5","6","5","4","1") = "5"
    & skf21("5","3","4","5","6","5","5","1") = "5"
    & skf21("5","3","4","5","6","5","6","1") = "5"
    & skf21("5","3","4","5","6","5","7","1") = "6"
    & skf21("5","3","4","5","6","6","1","1") = "5"
    & skf21("5","3","4","5","6","6","2","1") = "5"
    & skf21("5","3","4","5","6","6","3","1") = "5"
    & skf21("5","3","4","5","6","6","4","1") = "5"
    & skf21("5","3","4","5","6","6","5","1") = "5"
    & skf21("5","3","4","5","6","6","6","1") = "5"
    & skf21("5","3","4","5","6","6","7","1") = "6"
    & skf21("5","3","4","5","6","7","1","1") = "6"
    & skf21("5","3","4","5","6","7","2","1") = "6"
    & skf21("5","3","4","5","6","7","3","1") = "6"
    & skf21("5","3","4","5","6","7","4","1") = "6"
    & skf21("5","3","4","5","6","7","5","1") = "6"
    & skf21("5","3","4","5","6","7","6","1") = "6"
    & skf21("5","3","4","5","6","7","7","1") = "6"
    & skf21("5","3","4","5","7","1","1","1") = "6"
    & skf21("5","3","4","5","7","1","2","1") = "6"
    & skf21("5","3","4","5","7","1","3","1") = "6"
    & skf21("5","3","4","5","7","1","4","1") = "6"
    & skf21("5","3","4","5","7","1","5","1") = "6"
    & skf21("5","3","4","5","7","1","6","1") = "6"
    & skf21("5","3","4","5","7","1","7","1") = "6"
    & skf21("5","3","4","5","7","2","1","1") = "6"
    & skf21("5","3","4","5","7","2","2","1") = "6"
    & skf21("5","3","4","5","7","2","3","1") = "6"
    & skf21("5","3","4","5","7","2","4","1") = "6"
    & skf21("5","3","4","5","7","2","5","1") = "6"
    & skf21("5","3","4","5","7","2","6","1") = "6"
    & skf21("5","3","4","5","7","2","7","1") = "6"
    & skf21("5","3","4","5","7","3","1","1") = "6"
    & skf21("5","3","4","5","7","3","2","1") = "6"
    & skf21("5","3","4","5","7","3","3","1") = "6"
    & skf21("5","3","4","5","7","3","4","1") = "6"
    & skf21("5","3","4","5","7","3","5","1") = "6"
    & skf21("5","3","4","5","7","3","6","1") = "6"
    & skf21("5","3","4","5","7","3","7","1") = "6"
    & skf21("5","3","4","5","7","4","1","1") = "6"
    & skf21("5","3","4","5","7","4","2","1") = "6"
    & skf21("5","3","4","5","7","4","3","1") = "6"
    & skf21("5","3","4","5","7","4","4","1") = "6"
    & skf21("5","3","4","5","7","4","5","1") = "6"
    & skf21("5","3","4","5","7","4","6","1") = "6"
    & skf21("5","3","4","5","7","4","7","1") = "6"
    & skf21("5","3","4","5","7","5","1","1") = "6"
    & skf21("5","3","4","5","7","5","2","1") = "6"
    & skf21("5","3","4","5","7","5","3","1") = "6"
    & skf21("5","3","4","5","7","5","4","1") = "6"
    & skf21("5","3","4","5","7","5","5","1") = "6"
    & skf21("5","3","4","5","7","5","6","1") = "6"
    & skf21("5","3","4","5","7","5","7","1") = "6"
    & skf21("5","3","4","5","7","6","1","1") = "6"
    & skf21("5","3","4","5","7","6","2","1") = "6"
    & skf21("5","3","4","5","7","6","3","1") = "6"
    & skf21("5","3","4","5","7","6","4","1") = "6"
    & skf21("5","3","4","5","7","6","5","1") = "6"
    & skf21("5","3","4","5","7","6","6","1") = "6"
    & skf21("5","3","4","5","7","6","7","1") = "6"
    & skf21("5","3","4","5","7","7","1","1") = "6"
    & skf21("5","3","4","5","7","7","2","1") = "6"
    & skf21("5","3","4","5","7","7","3","1") = "6"
    & skf21("5","3","4","5","7","7","4","1") = "6"
    & skf21("5","3","4","5","7","7","5","1") = "6"
    & skf21("5","3","4","5","7","7","6","1") = "6"
    & skf21("5","3","4","5","7","7","7","1") = "6"
    & skf21("5","3","4","6","1","1","1","1") = "5"
    & skf21("5","3","4","6","1","1","2","1") = "5"
    & skf21("5","3","4","6","1","1","3","1") = "5"
    & skf21("5","3","4","6","1","1","4","1") = "5"
    & skf21("5","3","4","6","1","1","5","1") = "5"
    & skf21("5","3","4","6","1","1","6","1") = "5"
    & skf21("5","3","4","6","1","1","7","1") = "6"
    & skf21("5","3","4","6","1","2","1","1") = "5"
    & skf21("5","3","4","6","1","2","2","1") = "5"
    & skf21("5","3","4","6","1","2","3","1") = "5"
    & skf21("5","3","4","6","1","2","4","1") = "5"
    & skf21("5","3","4","6","1","2","5","1") = "5"
    & skf21("5","3","4","6","1","2","6","1") = "5"
    & skf21("5","3","4","6","1","2","7","1") = "6"
    & skf21("5","3","4","6","1","3","1","1") = "5"
    & skf21("5","3","4","6","1","3","2","1") = "5"
    & skf21("5","3","4","6","1","3","3","1") = "5"
    & skf21("5","3","4","6","1","3","4","1") = "5"
    & skf21("5","3","4","6","1","3","5","1") = "5"
    & skf21("5","3","4","6","1","3","6","1") = "5"
    & skf21("5","3","4","6","1","3","7","1") = "6"
    & skf21("5","3","4","6","1","4","1","1") = "5"
    & skf21("5","3","4","6","1","4","2","1") = "5"
    & skf21("5","3","4","6","1","4","3","1") = "5"
    & skf21("5","3","4","6","1","4","4","1") = "5"
    & skf21("5","3","4","6","1","4","5","1") = "5"
    & skf21("5","3","4","6","1","4","6","1") = "5"
    & skf21("5","3","4","6","1","4","7","1") = "6"
    & skf21("5","3","4","6","1","5","1","1") = "5"
    & skf21("5","3","4","6","1","5","2","1") = "5"
    & skf21("5","3","4","6","1","5","3","1") = "5"
    & skf21("5","3","4","6","1","5","4","1") = "5"
    & skf21("5","3","4","6","1","5","5","1") = "5"
    & skf21("5","3","4","6","1","5","6","1") = "5"
    & skf21("5","3","4","6","1","5","7","1") = "6"
    & skf21("5","3","4","6","1","6","1","1") = "5"
    & skf21("5","3","4","6","1","6","2","1") = "5"
    & skf21("5","3","4","6","1","6","3","1") = "5"
    & skf21("5","3","4","6","1","6","4","1") = "5"
    & skf21("5","3","4","6","1","6","5","1") = "5"
    & skf21("5","3","4","6","1","6","6","1") = "5"
    & skf21("5","3","4","6","1","6","7","1") = "6"
    & skf21("5","3","4","6","1","7","1","1") = "6"
    & skf21("5","3","4","6","1","7","2","1") = "6"
    & skf21("5","3","4","6","1","7","3","1") = "6"
    & skf21("5","3","4","6","1","7","4","1") = "6"
    & skf21("5","3","4","6","1","7","5","1") = "6"
    & skf21("5","3","4","6","1","7","6","1") = "6"
    & skf21("5","3","4","6","1","7","7","1") = "6"
    & skf21("5","3","4","6","2","1","1","1") = "5"
    & skf21("5","3","4","6","2","1","2","1") = "5"
    & skf21("5","3","4","6","2","1","3","1") = "5"
    & skf21("5","3","4","6","2","1","4","1") = "5"
    & skf21("5","3","4","6","2","1","5","1") = "5"
    & skf21("5","3","4","6","2","1","6","1") = "5"
    & skf21("5","3","4","6","2","1","7","1") = "6"
    & skf21("5","3","4","6","2","2","1","1") = "5"
    & skf21("5","3","4","6","2","2","2","1") = "5"
    & skf21("5","3","4","6","2","2","3","1") = "5"
    & skf21("5","3","4","6","2","2","4","1") = "5"
    & skf21("5","3","4","6","2","2","5","1") = "5"
    & skf21("5","3","4","6","2","2","6","1") = "5"
    & skf21("5","3","4","6","2","2","7","1") = "6"
    & skf21("5","3","4","6","2","3","1","1") = "5"
    & skf21("5","3","4","6","2","3","2","1") = "5"
    & skf21("5","3","4","6","2","3","3","1") = "5"
    & skf21("5","3","4","6","2","3","4","1") = "5"
    & skf21("5","3","4","6","2","3","5","1") = "5"
    & skf21("5","3","4","6","2","3","6","1") = "5"
    & skf21("5","3","4","6","2","3","7","1") = "6"
    & skf21("5","3","4","6","2","4","1","1") = "5"
    & skf21("5","3","4","6","2","4","2","1") = "5"
    & skf21("5","3","4","6","2","4","3","1") = "5"
    & skf21("5","3","4","6","2","4","4","1") = "5"
    & skf21("5","3","4","6","2","4","5","1") = "5"
    & skf21("5","3","4","6","2","4","6","1") = "5"
    & skf21("5","3","4","6","2","4","7","1") = "6"
    & skf21("5","3","4","6","2","5","1","1") = "5"
    & skf21("5","3","4","6","2","5","2","1") = "5"
    & skf21("5","3","4","6","2","5","3","1") = "5"
    & skf21("5","3","4","6","2","5","4","1") = "5"
    & skf21("5","3","4","6","2","5","5","1") = "5"
    & skf21("5","3","4","6","2","5","6","1") = "5"
    & skf21("5","3","4","6","2","5","7","1") = "6"
    & skf21("5","3","4","6","2","6","1","1") = "5"
    & skf21("5","3","4","6","2","6","2","1") = "5"
    & skf21("5","3","4","6","2","6","3","1") = "5"
    & skf21("5","3","4","6","2","6","4","1") = "5"
    & skf21("5","3","4","6","2","6","5","1") = "5"
    & skf21("5","3","4","6","2","6","6","1") = "5"
    & skf21("5","3","4","6","2","6","7","1") = "6"
    & skf21("5","3","4","6","2","7","1","1") = "6"
    & skf21("5","3","4","6","2","7","2","1") = "6"
    & skf21("5","3","4","6","2","7","3","1") = "6"
    & skf21("5","3","4","6","2","7","4","1") = "6"
    & skf21("5","3","4","6","2","7","5","1") = "6"
    & skf21("5","3","4","6","2","7","6","1") = "6"
    & skf21("5","3","4","6","2","7","7","1") = "6"
    & skf21("5","3","4","6","3","1","1","1") = "5"
    & skf21("5","3","4","6","3","1","2","1") = "5"
    & skf21("5","3","4","6","3","1","3","1") = "5"
    & skf21("5","3","4","6","3","1","4","1") = "5"
    & skf21("5","3","4","6","3","1","5","1") = "5"
    & skf21("5","3","4","6","3","1","6","1") = "5"
    & skf21("5","3","4","6","3","1","7","1") = "6"
    & skf21("5","3","4","6","3","2","1","1") = "5"
    & skf21("5","3","4","6","3","2","2","1") = "5"
    & skf21("5","3","4","6","3","2","3","1") = "5"
    & skf21("5","3","4","6","3","2","4","1") = "5"
    & skf21("5","3","4","6","3","2","5","1") = "5"
    & skf21("5","3","4","6","3","2","6","1") = "5"
    & skf21("5","3","4","6","3","2","7","1") = "6"
    & skf21("5","3","4","6","3","3","1","1") = "5"
    & skf21("5","3","4","6","3","3","2","1") = "5"
    & skf21("5","3","4","6","3","3","3","1") = "5"
    & skf21("5","3","4","6","3","3","4","1") = "5"
    & skf21("5","3","4","6","3","3","5","1") = "5"
    & skf21("5","3","4","6","3","3","6","1") = "5"
    & skf21("5","3","4","6","3","3","7","1") = "6"
    & skf21("5","3","4","6","3","4","1","1") = "5"
    & skf21("5","3","4","6","3","4","2","1") = "5"
    & skf21("5","3","4","6","3","4","3","1") = "5"
    & skf21("5","3","4","6","3","4","4","1") = "5"
    & skf21("5","3","4","6","3","4","5","1") = "5"
    & skf21("5","3","4","6","3","4","6","1") = "5"
    & skf21("5","3","4","6","3","4","7","1") = "6"
    & skf21("5","3","4","6","3","5","1","1") = "5"
    & skf21("5","3","4","6","3","5","2","1") = "5"
    & skf21("5","3","4","6","3","5","3","1") = "5"
    & skf21("5","3","4","6","3","5","4","1") = "5"
    & skf21("5","3","4","6","3","5","5","1") = "5"
    & skf21("5","3","4","6","3","5","6","1") = "5"
    & skf21("5","3","4","6","3","5","7","1") = "6"
    & skf21("5","3","4","6","3","6","1","1") = "5"
    & skf21("5","3","4","6","3","6","2","1") = "5"
    & skf21("5","3","4","6","3","6","3","1") = "5"
    & skf21("5","3","4","6","3","6","4","1") = "5"
    & skf21("5","3","4","6","3","6","5","1") = "5"
    & skf21("5","3","4","6","3","6","6","1") = "5"
    & skf21("5","3","4","6","3","6","7","1") = "6"
    & skf21("5","3","4","6","3","7","1","1") = "6"
    & skf21("5","3","4","6","3","7","2","1") = "6"
    & skf21("5","3","4","6","3","7","3","1") = "6"
    & skf21("5","3","4","6","3","7","4","1") = "6"
    & skf21("5","3","4","6","3","7","5","1") = "6"
    & skf21("5","3","4","6","3","7","6","1") = "6"
    & skf21("5","3","4","6","3","7","7","1") = "6"
    & skf21("5","3","4","6","4","1","1","1") = "5"
    & skf21("5","3","4","6","4","1","2","1") = "5"
    & skf21("5","3","4","6","4","1","3","1") = "5"
    & skf21("5","3","4","6","4","1","4","1") = "5"
    & skf21("5","3","4","6","4","1","5","1") = "5"
    & skf21("5","3","4","6","4","1","6","1") = "5"
    & skf21("5","3","4","6","4","1","7","1") = "6"
    & skf21("5","3","4","6","4","2","1","1") = "5"
    & skf21("5","3","4","6","4","2","2","1") = "5"
    & skf21("5","3","4","6","4","2","3","1") = "5"
    & skf21("5","3","4","6","4","2","4","1") = "5"
    & skf21("5","3","4","6","4","2","5","1") = "5"
    & skf21("5","3","4","6","4","2","6","1") = "5"
    & skf21("5","3","4","6","4","2","7","1") = "6"
    & skf21("5","3","4","6","4","3","1","1") = "5"
    & skf21("5","3","4","6","4","3","2","1") = "5"
    & skf21("5","3","4","6","4","3","3","1") = "5"
    & skf21("5","3","4","6","4","3","4","1") = "5"
    & skf21("5","3","4","6","4","3","5","1") = "5"
    & skf21("5","3","4","6","4","3","6","1") = "5"
    & skf21("5","3","4","6","4","3","7","1") = "6"
    & skf21("5","3","4","6","4","4","1","1") = "5"
    & skf21("5","3","4","6","4","4","2","1") = "5"
    & skf21("5","3","4","6","4","4","3","1") = "5"
    & skf21("5","3","4","6","4","4","4","1") = "5"
    & skf21("5","3","4","6","4","4","5","1") = "5"
    & skf21("5","3","4","6","4","4","6","1") = "5"
    & skf21("5","3","4","6","4","4","7","1") = "6"
    & skf21("5","3","4","6","4","5","1","1") = "5"
    & skf21("5","3","4","6","4","5","2","1") = "5"
    & skf21("5","3","4","6","4","5","3","1") = "5"
    & skf21("5","3","4","6","4","5","4","1") = "5"
    & skf21("5","3","4","6","4","5","5","1") = "5"
    & skf21("5","3","4","6","4","5","6","1") = "5"
    & skf21("5","3","4","6","4","5","7","1") = "6"
    & skf21("5","3","4","6","4","6","1","1") = "5"
    & skf21("5","3","4","6","4","6","2","1") = "5"
    & skf21("5","3","4","6","4","6","3","1") = "5"
    & skf21("5","3","4","6","4","6","4","1") = "5"
    & skf21("5","3","4","6","4","6","5","1") = "5"
    & skf21("5","3","4","6","4","6","6","1") = "5"
    & skf21("5","3","4","6","4","6","7","1") = "6"
    & skf21("5","3","4","6","4","7","1","1") = "6"
    & skf21("5","3","4","6","4","7","2","1") = "6"
    & skf21("5","3","4","6","4","7","3","1") = "6"
    & skf21("5","3","4","6","4","7","4","1") = "6"
    & skf21("5","3","4","6","4","7","5","1") = "6"
    & skf21("5","3","4","6","4","7","6","1") = "6"
    & skf21("5","3","4","6","4","7","7","1") = "6"
    & skf21("5","3","4","6","5","1","1","1") = "5"
    & skf21("5","3","4","6","5","1","2","1") = "5"
    & skf21("5","3","4","6","5","1","3","1") = "5"
    & skf21("5","3","4","6","5","1","4","1") = "5"
    & skf21("5","3","4","6","5","1","5","1") = "5"
    & skf21("5","3","4","6","5","1","6","1") = "5"
    & skf21("5","3","4","6","5","1","7","1") = "6"
    & skf21("5","3","4","6","5","2","1","1") = "5"
    & skf21("5","3","4","6","5","2","2","1") = "5"
    & skf21("5","3","4","6","5","2","3","1") = "5"
    & skf21("5","3","4","6","5","2","4","1") = "5"
    & skf21("5","3","4","6","5","2","5","1") = "5"
    & skf21("5","3","4","6","5","2","6","1") = "5"
    & skf21("5","3","4","6","5","2","7","1") = "6"
    & skf21("5","3","4","6","5","3","1","1") = "5"
    & skf21("5","3","4","6","5","3","2","1") = "5"
    & skf21("5","3","4","6","5","3","3","1") = "5"
    & skf21("5","3","4","6","5","3","4","1") = "5"
    & skf21("5","3","4","6","5","3","5","1") = "5"
    & skf21("5","3","4","6","5","3","6","1") = "5"
    & skf21("5","3","4","6","5","3","7","1") = "6"
    & skf21("5","3","4","6","5","4","1","1") = "5"
    & skf21("5","3","4","6","5","4","2","1") = "5"
    & skf21("5","3","4","6","5","4","3","1") = "5"
    & skf21("5","3","4","6","5","4","4","1") = "5"
    & skf21("5","3","4","6","5","4","5","1") = "5"
    & skf21("5","3","4","6","5","4","6","1") = "5"
    & skf21("5","3","4","6","5","4","7","1") = "6"
    & skf21("5","3","4","6","5","5","1","1") = "5"
    & skf21("5","3","4","6","5","5","2","1") = "5"
    & skf21("5","3","4","6","5","5","3","1") = "5"
    & skf21("5","3","4","6","5","5","4","1") = "5"
    & skf21("5","3","4","6","5","5","5","1") = "5"
    & skf21("5","3","4","6","5","5","6","1") = "5"
    & skf21("5","3","4","6","5","5","7","1") = "6"
    & skf21("5","3","4","6","5","6","1","1") = "5"
    & skf21("5","3","4","6","5","6","2","1") = "5"
    & skf21("5","3","4","6","5","6","3","1") = "5"
    & skf21("5","3","4","6","5","6","4","1") = "5"
    & skf21("5","3","4","6","5","6","5","1") = "5"
    & skf21("5","3","4","6","5","6","6","1") = "5"
    & skf21("5","3","4","6","5","6","7","1") = "6"
    & skf21("5","3","4","6","5","7","1","1") = "6"
    & skf21("5","3","4","6","5","7","2","1") = "6"
    & skf21("5","3","4","6","5","7","3","1") = "6"
    & skf21("5","3","4","6","5","7","4","1") = "6"
    & skf21("5","3","4","6","5","7","5","1") = "6"
    & skf21("5","3","4","6","5","7","6","1") = "6"
    & skf21("5","3","4","6","5","7","7","1") = "6"
    & skf21("5","3","4","6","6","1","1","1") = "5"
    & skf21("5","3","4","6","6","1","2","1") = "5"
    & skf21("5","3","4","6","6","1","3","1") = "5"
    & skf21("5","3","4","6","6","1","4","1") = "5"
    & skf21("5","3","4","6","6","1","5","1") = "5"
    & skf21("5","3","4","6","6","1","6","1") = "5"
    & skf21("5","3","4","6","6","1","7","1") = "6"
    & skf21("5","3","4","6","6","2","1","1") = "5"
    & skf21("5","3","4","6","6","2","2","1") = "5"
    & skf21("5","3","4","6","6","2","3","1") = "5"
    & skf21("5","3","4","6","6","2","4","1") = "5"
    & skf21("5","3","4","6","6","2","5","1") = "5"
    & skf21("5","3","4","6","6","2","6","1") = "5"
    & skf21("5","3","4","6","6","2","7","1") = "6"
    & skf21("5","3","4","6","6","3","1","1") = "5"
    & skf21("5","3","4","6","6","3","2","1") = "5"
    & skf21("5","3","4","6","6","3","3","1") = "5"
    & skf21("5","3","4","6","6","3","4","1") = "5"
    & skf21("5","3","4","6","6","3","5","1") = "5"
    & skf21("5","3","4","6","6","3","6","1") = "5"
    & skf21("5","3","4","6","6","3","7","1") = "6"
    & skf21("5","3","4","6","6","4","1","1") = "5"
    & skf21("5","3","4","6","6","4","2","1") = "5"
    & skf21("5","3","4","6","6","4","3","1") = "5"
    & skf21("5","3","4","6","6","4","4","1") = "5"
    & skf21("5","3","4","6","6","4","5","1") = "5"
    & skf21("5","3","4","6","6","4","6","1") = "5"
    & skf21("5","3","4","6","6","4","7","1") = "6"
    & skf21("5","3","4","6","6","5","1","1") = "5"
    & skf21("5","3","4","6","6","5","2","1") = "5"
    & skf21("5","3","4","6","6","5","3","1") = "5"
    & skf21("5","3","4","6","6","5","4","1") = "5"
    & skf21("5","3","4","6","6","5","5","1") = "5"
    & skf21("5","3","4","6","6","5","6","1") = "5"
    & skf21("5","3","4","6","6","5","7","1") = "6"
    & skf21("5","3","4","6","6","6","1","1") = "5"
    & skf21("5","3","4","6","6","6","2","1") = "5"
    & skf21("5","3","4","6","6","6","3","1") = "5"
    & skf21("5","3","4","6","6","6","4","1") = "5"
    & skf21("5","3","4","6","6","6","5","1") = "5"
    & skf21("5","3","4","6","6","6","6","1") = "5"
    & skf21("5","3","4","6","6","6","7","1") = "6"
    & skf21("5","3","4","6","6","7","1","1") = "6"
    & skf21("5","3","4","6","6","7","2","1") = "6"
    & skf21("5","3","4","6","6","7","3","1") = "6"
    & skf21("5","3","4","6","6","7","4","1") = "6"
    & skf21("5","3","4","6","6","7","5","1") = "6"
    & skf21("5","3","4","6","6","7","6","1") = "6"
    & skf21("5","3","4","6","6","7","7","1") = "6"
    & skf21("5","3","4","6","7","1","1","1") = "6"
    & skf21("5","3","4","6","7","1","2","1") = "6"
    & skf21("5","3","4","6","7","1","3","1") = "6"
    & skf21("5","3","4","6","7","1","4","1") = "6"
    & skf21("5","3","4","6","7","1","5","1") = "6"
    & skf21("5","3","4","6","7","1","6","1") = "6"
    & skf21("5","3","4","6","7","1","7","1") = "6"
    & skf21("5","3","4","6","7","2","1","1") = "6"
    & skf21("5","3","4","6","7","2","2","1") = "6"
    & skf21("5","3","4","6","7","2","3","1") = "6"
    & skf21("5","3","4","6","7","2","4","1") = "6"
    & skf21("5","3","4","6","7","2","5","1") = "6"
    & skf21("5","3","4","6","7","2","6","1") = "6"
    & skf21("5","3","4","6","7","2","7","1") = "6"
    & skf21("5","3","4","6","7","3","1","1") = "6"
    & skf21("5","3","4","6","7","3","2","1") = "6"
    & skf21("5","3","4","6","7","3","3","1") = "6"
    & skf21("5","3","4","6","7","3","4","1") = "6"
    & skf21("5","3","4","6","7","3","5","1") = "6"
    & skf21("5","3","4","6","7","3","6","1") = "6"
    & skf21("5","3","4","6","7","3","7","1") = "6"
    & skf21("5","3","4","6","7","4","1","1") = "6"
    & skf21("5","3","4","6","7","4","2","1") = "6"
    & skf21("5","3","4","6","7","4","3","1") = "6"
    & skf21("5","3","4","6","7","4","4","1") = "6"
    & skf21("5","3","4","6","7","4","5","1") = "6"
    & skf21("5","3","4","6","7","4","6","1") = "6"
    & skf21("5","3","4","6","7","4","7","1") = "6"
    & skf21("5","3","4","6","7","5","1","1") = "6"
    & skf21("5","3","4","6","7","5","2","1") = "6"
    & skf21("5","3","4","6","7","5","3","1") = "6"
    & skf21("5","3","4","6","7","5","4","1") = "6"
    & skf21("5","3","4","6","7","5","5","1") = "6"
    & skf21("5","3","4","6","7","5","6","1") = "6"
    & skf21("5","3","4","6","7","5","7","1") = "6"
    & skf21("5","3","4","6","7","6","1","1") = "6"
    & skf21("5","3","4","6","7","6","2","1") = "6"
    & skf21("5","3","4","6","7","6","3","1") = "6"
    & skf21("5","3","4","6","7","6","4","1") = "6"
    & skf21("5","3","4","6","7","6","5","1") = "6"
    & skf21("5","3","4","6","7","6","6","1") = "6"
    & skf21("5","3","4","6","7","6","7","1") = "6"
    & skf21("5","3","4","6","7","7","1","1") = "6"
    & skf21("5","3","4","6","7","7","2","1") = "6"
    & skf21("5","3","4","6","7","7","3","1") = "6"
    & skf21("5","3","4","6","7","7","4","1") = "6"
    & skf21("5","3","4","6","7","7","5","1") = "6"
    & skf21("5","3","4","6","7","7","6","1") = "6"
    & skf21("5","3","4","6","7","7","7","1") = "6"
    & skf21("5","3","4","7","1","1","1","1") = "6"
    & skf21("5","3","4","7","1","1","2","1") = "6"
    & skf21("5","3","4","7","1","1","3","1") = "6"
    & skf21("5","3","4","7","1","1","4","1") = "6"
    & skf21("5","3","4","7","1","1","5","1") = "6"
    & skf21("5","3","4","7","1","1","6","1") = "6"
    & skf21("5","3","4","7","1","1","7","1") = "6"
    & skf21("5","3","4","7","1","2","1","1") = "6"
    & skf21("5","3","4","7","1","2","2","1") = "6"
    & skf21("5","3","4","7","1","2","3","1") = "6"
    & skf21("5","3","4","7","1","2","4","1") = "6"
    & skf21("5","3","4","7","1","2","5","1") = "6"
    & skf21("5","3","4","7","1","2","6","1") = "6"
    & skf21("5","3","4","7","1","2","7","1") = "6"
    & skf21("5","3","4","7","1","3","1","1") = "6"
    & skf21("5","3","4","7","1","3","2","1") = "6"
    & skf21("5","3","4","7","1","3","3","1") = "6"
    & skf21("5","3","4","7","1","3","4","1") = "6"
    & skf21("5","3","4","7","1","3","5","1") = "6"
    & skf21("5","3","4","7","1","3","6","1") = "6"
    & skf21("5","3","4","7","1","3","7","1") = "6"
    & skf21("5","3","4","7","1","4","1","1") = "6"
    & skf21("5","3","4","7","1","4","2","1") = "6"
    & skf21("5","3","4","7","1","4","3","1") = "6"
    & skf21("5","3","4","7","1","4","4","1") = "6"
    & skf21("5","3","4","7","1","4","5","1") = "6"
    & skf21("5","3","4","7","1","4","6","1") = "6"
    & skf21("5","3","4","7","1","4","7","1") = "6"
    & skf21("5","3","4","7","1","5","1","1") = "6"
    & skf21("5","3","4","7","1","5","2","1") = "6"
    & skf21("5","3","4","7","1","5","3","1") = "6"
    & skf21("5","3","4","7","1","5","4","1") = "6"
    & skf21("5","3","4","7","1","5","5","1") = "6"
    & skf21("5","3","4","7","1","5","6","1") = "6"
    & skf21("5","3","4","7","1","5","7","1") = "6"
    & skf21("5","3","4","7","1","6","1","1") = "6"
    & skf21("5","3","4","7","1","6","2","1") = "6"
    & skf21("5","3","4","7","1","6","3","1") = "6"
    & skf21("5","3","4","7","1","6","4","1") = "6"
    & skf21("5","3","4","7","1","6","5","1") = "6"
    & skf21("5","3","4","7","1","6","6","1") = "6"
    & skf21("5","3","4","7","1","6","7","1") = "6"
    & skf21("5","3","4","7","1","7","1","1") = "6"
    & skf21("5","3","4","7","1","7","2","1") = "6"
    & skf21("5","3","4","7","1","7","3","1") = "6"
    & skf21("5","3","4","7","1","7","4","1") = "6"
    & skf21("5","3","4","7","1","7","5","1") = "6"
    & skf21("5","3","4","7","1","7","6","1") = "6"
    & skf21("5","3","4","7","1","7","7","1") = "6"
    & skf21("5","3","4","7","2","1","1","1") = "6"
    & skf21("5","3","4","7","2","1","2","1") = "6"
    & skf21("5","3","4","7","2","1","3","1") = "6"
    & skf21("5","3","4","7","2","1","4","1") = "6"
    & skf21("5","3","4","7","2","1","5","1") = "6"
    & skf21("5","3","4","7","2","1","6","1") = "6"
    & skf21("5","3","4","7","2","1","7","1") = "6"
    & skf21("5","3","4","7","2","2","1","1") = "6"
    & skf21("5","3","4","7","2","2","2","1") = "6"
    & skf21("5","3","4","7","2","2","3","1") = "6"
    & skf21("5","3","4","7","2","2","4","1") = "6"
    & skf21("5","3","4","7","2","2","5","1") = "6"
    & skf21("5","3","4","7","2","2","6","1") = "6"
    & skf21("5","3","4","7","2","2","7","1") = "6"
    & skf21("5","3","4","7","2","3","1","1") = "6"
    & skf21("5","3","4","7","2","3","2","1") = "6"
    & skf21("5","3","4","7","2","3","3","1") = "6"
    & skf21("5","3","4","7","2","3","4","1") = "6"
    & skf21("5","3","4","7","2","3","5","1") = "6"
    & skf21("5","3","4","7","2","3","6","1") = "6"
    & skf21("5","3","4","7","2","3","7","1") = "6"
    & skf21("5","3","4","7","2","4","1","1") = "6"
    & skf21("5","3","4","7","2","4","2","1") = "6"
    & skf21("5","3","4","7","2","4","3","1") = "6"
    & skf21("5","3","4","7","2","4","4","1") = "6"
    & skf21("5","3","4","7","2","4","5","1") = "6"
    & skf21("5","3","4","7","2","4","6","1") = "6"
    & skf21("5","3","4","7","2","4","7","1") = "6"
    & skf21("5","3","4","7","2","5","1","1") = "6"
    & skf21("5","3","4","7","2","5","2","1") = "6"
    & skf21("5","3","4","7","2","5","3","1") = "6"
    & skf21("5","3","4","7","2","5","4","1") = "6"
    & skf21("5","3","4","7","2","5","5","1") = "6"
    & skf21("5","3","4","7","2","5","6","1") = "6"
    & skf21("5","3","4","7","2","5","7","1") = "6"
    & skf21("5","3","4","7","2","6","1","1") = "6"
    & skf21("5","3","4","7","2","6","2","1") = "6"
    & skf21("5","3","4","7","2","6","3","1") = "6"
    & skf21("5","3","4","7","2","6","4","1") = "6"
    & skf21("5","3","4","7","2","6","5","1") = "6"
    & skf21("5","3","4","7","2","6","6","1") = "6"
    & skf21("5","3","4","7","2","6","7","1") = "6"
    & skf21("5","3","4","7","2","7","1","1") = "6"
    & skf21("5","3","4","7","2","7","2","1") = "6"
    & skf21("5","3","4","7","2","7","3","1") = "6"
    & skf21("5","3","4","7","2","7","4","1") = "6"
    & skf21("5","3","4","7","2","7","5","1") = "6"
    & skf21("5","3","4","7","2","7","6","1") = "6"
    & skf21("5","3","4","7","2","7","7","1") = "6"
    & skf21("5","3","4","7","3","1","1","1") = "6"
    & skf21("5","3","4","7","3","1","2","1") = "6"
    & skf21("5","3","4","7","3","1","3","1") = "6"
    & skf21("5","3","4","7","3","1","4","1") = "6"
    & skf21("5","3","4","7","3","1","5","1") = "6"
    & skf21("5","3","4","7","3","1","6","1") = "6"
    & skf21("5","3","4","7","3","1","7","1") = "6"
    & skf21("5","3","4","7","3","2","1","1") = "6"
    & skf21("5","3","4","7","3","2","2","1") = "6"
    & skf21("5","3","4","7","3","2","3","1") = "6"
    & skf21("5","3","4","7","3","2","4","1") = "6"
    & skf21("5","3","4","7","3","2","5","1") = "6"
    & skf21("5","3","4","7","3","2","6","1") = "6"
    & skf21("5","3","4","7","3","2","7","1") = "6"
    & skf21("5","3","4","7","3","3","1","1") = "6"
    & skf21("5","3","4","7","3","3","2","1") = "6"
    & skf21("5","3","4","7","3","3","3","1") = "6"
    & skf21("5","3","4","7","3","3","4","1") = "6"
    & skf21("5","3","4","7","3","3","5","1") = "6"
    & skf21("5","3","4","7","3","3","6","1") = "6"
    & skf21("5","3","4","7","3","3","7","1") = "6"
    & skf21("5","3","4","7","3","4","1","1") = "6"
    & skf21("5","3","4","7","3","4","2","1") = "6"
    & skf21("5","3","4","7","3","4","3","1") = "6"
    & skf21("5","3","4","7","3","4","4","1") = "6"
    & skf21("5","3","4","7","3","4","5","1") = "6"
    & skf21("5","3","4","7","3","4","6","1") = "6"
    & skf21("5","3","4","7","3","4","7","1") = "6"
    & skf21("5","3","4","7","3","5","1","1") = "6"
    & skf21("5","3","4","7","3","5","2","1") = "6"
    & skf21("5","3","4","7","3","5","3","1") = "6"
    & skf21("5","3","4","7","3","5","4","1") = "6"
    & skf21("5","3","4","7","3","5","5","1") = "6"
    & skf21("5","3","4","7","3","5","6","1") = "6"
    & skf21("5","3","4","7","3","5","7","1") = "6"
    & skf21("5","3","4","7","3","6","1","1") = "6"
    & skf21("5","3","4","7","3","6","2","1") = "6"
    & skf21("5","3","4","7","3","6","3","1") = "6"
    & skf21("5","3","4","7","3","6","4","1") = "6"
    & skf21("5","3","4","7","3","6","5","1") = "6"
    & skf21("5","3","4","7","3","6","6","1") = "6"
    & skf21("5","3","4","7","3","6","7","1") = "6"
    & skf21("5","3","4","7","3","7","1","1") = "6"
    & skf21("5","3","4","7","3","7","2","1") = "6"
    & skf21("5","3","4","7","3","7","3","1") = "6"
    & skf21("5","3","4","7","3","7","4","1") = "6"
    & skf21("5","3","4","7","3","7","5","1") = "6"
    & skf21("5","3","4","7","3","7","6","1") = "6"
    & skf21("5","3","4","7","3","7","7","1") = "6"
    & skf21("5","3","4","7","4","1","1","1") = "6"
    & skf21("5","3","4","7","4","1","2","1") = "6"
    & skf21("5","3","4","7","4","1","3","1") = "6"
    & skf21("5","3","4","7","4","1","4","1") = "6"
    & skf21("5","3","4","7","4","1","5","1") = "6"
    & skf21("5","3","4","7","4","1","6","1") = "6"
    & skf21("5","3","4","7","4","1","7","1") = "6"
    & skf21("5","3","4","7","4","2","1","1") = "6"
    & skf21("5","3","4","7","4","2","2","1") = "6"
    & skf21("5","3","4","7","4","2","3","1") = "6"
    & skf21("5","3","4","7","4","2","4","1") = "6"
    & skf21("5","3","4","7","4","2","5","1") = "6"
    & skf21("5","3","4","7","4","2","6","1") = "6"
    & skf21("5","3","4","7","4","2","7","1") = "6"
    & skf21("5","3","4","7","4","3","1","1") = "6"
    & skf21("5","3","4","7","4","3","2","1") = "6"
    & skf21("5","3","4","7","4","3","3","1") = "6"
    & skf21("5","3","4","7","4","3","4","1") = "6"
    & skf21("5","3","4","7","4","3","5","1") = "6"
    & skf21("5","3","4","7","4","3","6","1") = "6"
    & skf21("5","3","4","7","4","3","7","1") = "6"
    & skf21("5","3","4","7","4","4","1","1") = "6"
    & skf21("5","3","4","7","4","4","2","1") = "6"
    & skf21("5","3","4","7","4","4","3","1") = "6"
    & skf21("5","3","4","7","4","4","4","1") = "6"
    & skf21("5","3","4","7","4","4","5","1") = "6"
    & skf21("5","3","4","7","4","4","6","1") = "6"
    & skf21("5","3","4","7","4","4","7","1") = "6"
    & skf21("5","3","4","7","4","5","1","1") = "6"
    & skf21("5","3","4","7","4","5","2","1") = "6"
    & skf21("5","3","4","7","4","5","3","1") = "6"
    & skf21("5","3","4","7","4","5","4","1") = "6"
    & skf21("5","3","4","7","4","5","5","1") = "6"
    & skf21("5","3","4","7","4","5","6","1") = "6"
    & skf21("5","3","4","7","4","5","7","1") = "6"
    & skf21("5","3","4","7","4","6","1","1") = "6"
    & skf21("5","3","4","7","4","6","2","1") = "6"
    & skf21("5","3","4","7","4","6","3","1") = "6"
    & skf21("5","3","4","7","4","6","4","1") = "6"
    & skf21("5","3","4","7","4","6","5","1") = "6"
    & skf21("5","3","4","7","4","6","6","1") = "6"
    & skf21("5","3","4","7","4","6","7","1") = "6"
    & skf21("5","3","4","7","4","7","1","1") = "6"
    & skf21("5","3","4","7","4","7","2","1") = "6"
    & skf21("5","3","4","7","4","7","3","1") = "6"
    & skf21("5","3","4","7","4","7","4","1") = "6"
    & skf21("5","3","4","7","4","7","5","1") = "6"
    & skf21("5","3","4","7","4","7","6","1") = "6"
    & skf21("5","3","4","7","4","7","7","1") = "6"
    & skf21("5","3","4","7","5","1","1","1") = "6"
    & skf21("5","3","4","7","5","1","2","1") = "6"
    & skf21("5","3","4","7","5","1","3","1") = "6"
    & skf21("5","3","4","7","5","1","4","1") = "6"
    & skf21("5","3","4","7","5","1","5","1") = "6"
    & skf21("5","3","4","7","5","1","6","1") = "6"
    & skf21("5","3","4","7","5","1","7","1") = "6"
    & skf21("5","3","4","7","5","2","1","1") = "6"
    & skf21("5","3","4","7","5","2","2","1") = "6"
    & skf21("5","3","4","7","5","2","3","1") = "6"
    & skf21("5","3","4","7","5","2","4","1") = "6"
    & skf21("5","3","4","7","5","2","5","1") = "6"
    & skf21("5","3","4","7","5","2","6","1") = "6"
    & skf21("5","3","4","7","5","2","7","1") = "6"
    & skf21("5","3","4","7","5","3","1","1") = "6"
    & skf21("5","3","4","7","5","3","2","1") = "6"
    & skf21("5","3","4","7","5","3","3","1") = "6"
    & skf21("5","3","4","7","5","3","4","1") = "6"
    & skf21("5","3","4","7","5","3","5","1") = "6"
    & skf21("5","3","4","7","5","3","6","1") = "6"
    & skf21("5","3","4","7","5","3","7","1") = "6"
    & skf21("5","3","4","7","5","4","1","1") = "6"
    & skf21("5","3","4","7","5","4","2","1") = "6"
    & skf21("5","3","4","7","5","4","3","1") = "6"
    & skf21("5","3","4","7","5","4","4","1") = "6"
    & skf21("5","3","4","7","5","4","5","1") = "6"
    & skf21("5","3","4","7","5","4","6","1") = "6"
    & skf21("5","3","4","7","5","4","7","1") = "6"
    & skf21("5","3","4","7","5","5","1","1") = "6"
    & skf21("5","3","4","7","5","5","2","1") = "6"
    & skf21("5","3","4","7","5","5","3","1") = "6"
    & skf21("5","3","4","7","5","5","4","1") = "6"
    & skf21("5","3","4","7","5","5","5","1") = "6"
    & skf21("5","3","4","7","5","5","6","1") = "6"
    & skf21("5","3","4","7","5","5","7","1") = "6"
    & skf21("5","3","4","7","5","6","1","1") = "6"
    & skf21("5","3","4","7","5","6","2","1") = "6"
    & skf21("5","3","4","7","5","6","3","1") = "6"
    & skf21("5","3","4","7","5","6","4","1") = "6"
    & skf21("5","3","4","7","5","6","5","1") = "6"
    & skf21("5","3","4","7","5","6","6","1") = "6"
    & skf21("5","3","4","7","5","6","7","1") = "6"
    & skf21("5","3","4","7","5","7","1","1") = "6"
    & skf21("5","3","4","7","5","7","2","1") = "6"
    & skf21("5","3","4","7","5","7","3","1") = "6"
    & skf21("5","3","4","7","5","7","4","1") = "6"
    & skf21("5","3","4","7","5","7","5","1") = "6"
    & skf21("5","3","4","7","5","7","6","1") = "6"
    & skf21("5","3","4","7","5","7","7","1") = "6"
    & skf21("5","3","4","7","6","1","1","1") = "6"
    & skf21("5","3","4","7","6","1","2","1") = "6"
    & skf21("5","3","4","7","6","1","3","1") = "6"
    & skf21("5","3","4","7","6","1","4","1") = "6"
    & skf21("5","3","4","7","6","1","5","1") = "6"
    & skf21("5","3","4","7","6","1","6","1") = "6"
    & skf21("5","3","4","7","6","1","7","1") = "6"
    & skf21("5","3","4","7","6","2","1","1") = "6"
    & skf21("5","3","4","7","6","2","2","1") = "6"
    & skf21("5","3","4","7","6","2","3","1") = "6"
    & skf21("5","3","4","7","6","2","4","1") = "6"
    & skf21("5","3","4","7","6","2","5","1") = "6"
    & skf21("5","3","4","7","6","2","6","1") = "6"
    & skf21("5","3","4","7","6","2","7","1") = "6"
    & skf21("5","3","4","7","6","3","1","1") = "6"
    & skf21("5","3","4","7","6","3","2","1") = "6"
    & skf21("5","3","4","7","6","3","3","1") = "6"
    & skf21("5","3","4","7","6","3","4","1") = "6"
    & skf21("5","3","4","7","6","3","5","1") = "6"
    & skf21("5","3","4","7","6","3","6","1") = "6"
    & skf21("5","3","4","7","6","3","7","1") = "6"
    & skf21("5","3","4","7","6","4","1","1") = "6"
    & skf21("5","3","4","7","6","4","2","1") = "6"
    & skf21("5","3","4","7","6","4","3","1") = "6"
    & skf21("5","3","4","7","6","4","4","1") = "6"
    & skf21("5","3","4","7","6","4","5","1") = "6"
    & skf21("5","3","4","7","6","4","6","1") = "6"
    & skf21("5","3","4","7","6","4","7","1") = "6"
    & skf21("5","3","4","7","6","5","1","1") = "6"
    & skf21("5","3","4","7","6","5","2","1") = "6"
    & skf21("5","3","4","7","6","5","3","1") = "6"
    & skf21("5","3","4","7","6","5","4","1") = "6"
    & skf21("5","3","4","7","6","5","5","1") = "6"
    & skf21("5","3","4","7","6","5","6","1") = "6"
    & skf21("5","3","4","7","6","5","7","1") = "6"
    & skf21("5","3","4","7","6","6","1","1") = "6"
    & skf21("5","3","4","7","6","6","2","1") = "6"
    & skf21("5","3","4","7","6","6","3","1") = "6"
    & skf21("5","3","4","7","6","6","4","1") = "6"
    & skf21("5","3","4","7","6","6","5","1") = "6"
    & skf21("5","3","4","7","6","6","6","1") = "6"
    & skf21("5","3","4","7","6","6","7","1") = "6"
    & skf21("5","3","4","7","6","7","1","1") = "6"
    & skf21("5","3","4","7","6","7","2","1") = "6"
    & skf21("5","3","4","7","6","7","3","1") = "6"
    & skf21("5","3","4","7","6","7","4","1") = "6"
    & skf21("5","3","4","7","6","7","5","1") = "6"
    & skf21("5","3","4","7","6","7","6","1") = "6"
    & skf21("5","3","4","7","6","7","7","1") = "6"
    & skf21("5","3","4","7","7","1","1","1") = "6"
    & skf21("5","3","4","7","7","1","2","1") = "6"
    & skf21("5","3","4","7","7","1","3","1") = "6"
    & skf21("5","3","4","7","7","1","4","1") = "6"
    & skf21("5","3","4","7","7","1","5","1") = "6"
    & skf21("5","3","4","7","7","1","6","1") = "6"
    & skf21("5","3","4","7","7","1","7","1") = "6"
    & skf21("5","3","4","7","7","2","1","1") = "6"
    & skf21("5","3","4","7","7","2","2","1") = "6"
    & skf21("5","3","4","7","7","2","3","1") = "6"
    & skf21("5","3","4","7","7","2","4","1") = "6"
    & skf21("5","3","4","7","7","2","5","1") = "6"
    & skf21("5","3","4","7","7","2","6","1") = "6"
    & skf21("5","3","4","7","7","2","7","1") = "6"
    & skf21("5","3","4","7","7","3","1","1") = "6"
    & skf21("5","3","4","7","7","3","2","1") = "6"
    & skf21("5","3","4","7","7","3","3","1") = "6"
    & skf21("5","3","4","7","7","3","4","1") = "6"
    & skf21("5","3","4","7","7","3","5","1") = "6"
    & skf21("5","3","4","7","7","3","6","1") = "6"
    & skf21("5","3","4","7","7","3","7","1") = "6"
    & skf21("5","3","4","7","7","4","1","1") = "6"
    & skf21("5","3","4","7","7","4","2","1") = "6"
    & skf21("5","3","4","7","7","4","3","1") = "6"
    & skf21("5","3","4","7","7","4","4","1") = "6"
    & skf21("5","3","4","7","7","4","5","1") = "6"
    & skf21("5","3","4","7","7","4","6","1") = "6"
    & skf21("5","3","4","7","7","4","7","1") = "6"
    & skf21("5","3","4","7","7","5","1","1") = "6"
    & skf21("5","3","4","7","7","5","2","1") = "6"
    & skf21("5","3","4","7","7","5","3","1") = "6"
    & skf21("5","3","4","7","7","5","4","1") = "6"
    & skf21("5","3","4","7","7","5","5","1") = "6"
    & skf21("5","3","4","7","7","5","6","1") = "6"
    & skf21("5","3","4","7","7","5","7","1") = "6"
    & skf21("5","3","4","7","7","6","1","1") = "6"
    & skf21("5","3","4","7","7","6","2","1") = "6"
    & skf21("5","3","4","7","7","6","3","1") = "6"
    & skf21("5","3","4","7","7","6","4","1") = "6"
    & skf21("5","3","4","7","7","6","5","1") = "6"
    & skf21("5","3","4","7","7","6","6","1") = "6"
    & skf21("5","3","4","7","7","6","7","1") = "6"
    & skf21("5","3","4","7","7","7","1","1") = "6"
    & skf21("5","3","4","7","7","7","2","1") = "6"
    & skf21("5","3","4","7","7","7","3","1") = "6"
    & skf21("5","3","4","7","7","7","4","1") = "6"
    & skf21("5","3","4","7","7","7","5","1") = "6"
    & skf21("5","3","4","7","7","7","6","1") = "6"
    & skf21("5","3","4","7","7","7","7","1") = "6"
    & skf21("5","3","5","1","1","1","1","1") = "4"
    & skf21("5","3","5","1","1","1","2","1") = "4"
    & skf21("5","3","5","1","1","1","3","1") = "4"
    & skf21("5","3","5","1","1","1","4","1") = "4"
    & skf21("5","3","5","1","1","1","5","1") = "4"
    & skf21("5","3","5","1","1","1","6","1") = "5"
    & skf21("5","3","5","1","1","1","7","1") = "6"
    & skf21("5","3","5","1","1","2","1","1") = "4"
    & skf21("5","3","5","1","1","2","2","1") = "4"
    & skf21("5","3","5","1","1","2","3","1") = "4"
    & skf21("5","3","5","1","1","2","4","1") = "4"
    & skf21("5","3","5","1","1","2","5","1") = "4"
    & skf21("5","3","5","1","1","2","6","1") = "5"
    & skf21("5","3","5","1","1","2","7","1") = "6"
    & skf21("5","3","5","1","1","3","1","1") = "4"
    & skf21("5","3","5","1","1","3","2","1") = "4"
    & skf21("5","3","5","1","1","3","3","1") = "4"
    & skf21("5","3","5","1","1","3","4","1") = "4"
    & skf21("5","3","5","1","1","3","5","1") = "4"
    & skf21("5","3","5","1","1","3","6","1") = "5"
    & skf21("5","3","5","1","1","3","7","1") = "6"
    & skf21("5","3","5","1","1","4","1","1") = "4"
    & skf21("5","3","5","1","1","4","2","1") = "4"
    & skf21("5","3","5","1","1","4","3","1") = "4"
    & skf21("5","3","5","1","1","4","4","1") = "4"
    & skf21("5","3","5","1","1","4","5","1") = "4"
    & skf21("5","3","5","1","1","4","6","1") = "5"
    & skf21("5","3","5","1","1","4","7","1") = "6"
    & skf21("5","3","5","1","1","5","1","1") = "4"
    & skf21("5","3","5","1","1","5","2","1") = "4"
    & skf21("5","3","5","1","1","5","3","1") = "4"
    & skf21("5","3","5","1","1","5","4","1") = "4"
    & skf21("5","3","5","1","1","5","5","1") = "4"
    & skf21("5","3","5","1","1","5","6","1") = "5"
    & skf21("5","3","5","1","1","5","7","1") = "6"
    & skf21("5","3","5","1","1","6","1","1") = "5"
    & skf21("5","3","5","1","1","6","2","1") = "5"
    & skf21("5","3","5","1","1","6","3","1") = "5"
    & skf21("5","3","5","1","1","6","4","1") = "5"
    & skf21("5","3","5","1","1","6","5","1") = "5"
    & skf21("5","3","5","1","1","6","6","1") = "5"
    & skf21("5","3","5","1","1","6","7","1") = "6"
    & skf21("5","3","5","1","1","7","1","1") = "6"
    & skf21("5","3","5","1","1","7","2","1") = "6"
    & skf21("5","3","5","1","1","7","3","1") = "6"
    & skf21("5","3","5","1","1","7","4","1") = "6"
    & skf21("5","3","5","1","1","7","5","1") = "6"
    & skf21("5","3","5","1","1","7","6","1") = "6"
    & skf21("5","3","5","1","1","7","7","1") = "6"
    & skf21("5","3","5","1","2","1","1","1") = "4"
    & skf21("5","3","5","1","2","1","2","1") = "4"
    & skf21("5","3","5","1","2","1","3","1") = "4"
    & skf21("5","3","5","1","2","1","4","1") = "4"
    & skf21("5","3","5","1","2","1","5","1") = "4"
    & skf21("5","3","5","1","2","1","6","1") = "5"
    & skf21("5","3","5","1","2","1","7","1") = "6"
    & skf21("5","3","5","1","2","2","1","1") = "4"
    & skf21("5","3","5","1","2","2","2","1") = "4"
    & skf21("5","3","5","1","2","2","3","1") = "4"
    & skf21("5","3","5","1","2","2","4","1") = "4"
    & skf21("5","3","5","1","2","2","5","1") = "4"
    & skf21("5","3","5","1","2","2","6","1") = "5"
    & skf21("5","3","5","1","2","2","7","1") = "6"
    & skf21("5","3","5","1","2","3","1","1") = "4"
    & skf21("5","3","5","1","2","3","2","1") = "4"
    & skf21("5","3","5","1","2","3","3","1") = "4"
    & skf21("5","3","5","1","2","3","4","1") = "4"
    & skf21("5","3","5","1","2","3","5","1") = "4"
    & skf21("5","3","5","1","2","3","6","1") = "5"
    & skf21("5","3","5","1","2","3","7","1") = "6"
    & skf21("5","3","5","1","2","4","1","1") = "4"
    & skf21("5","3","5","1","2","4","2","1") = "4"
    & skf21("5","3","5","1","2","4","3","1") = "4"
    & skf21("5","3","5","1","2","4","4","1") = "4"
    & skf21("5","3","5","1","2","4","5","1") = "4"
    & skf21("5","3","5","1","2","4","6","1") = "5"
    & skf21("5","3","5","1","2","4","7","1") = "6"
    & skf21("5","3","5","1","2","5","1","1") = "4"
    & skf21("5","3","5","1","2","5","2","1") = "4"
    & skf21("5","3","5","1","2","5","3","1") = "4"
    & skf21("5","3","5","1","2","5","4","1") = "4"
    & skf21("5","3","5","1","2","5","5","1") = "4"
    & skf21("5","3","5","1","2","5","6","1") = "5"
    & skf21("5","3","5","1","2","5","7","1") = "6"
    & skf21("5","3","5","1","2","6","1","1") = "5"
    & skf21("5","3","5","1","2","6","2","1") = "5"
    & skf21("5","3","5","1","2","6","3","1") = "5"
    & skf21("5","3","5","1","2","6","4","1") = "5"
    & skf21("5","3","5","1","2","6","5","1") = "5"
    & skf21("5","3","5","1","2","6","6","1") = "5"
    & skf21("5","3","5","1","2","6","7","1") = "6"
    & skf21("5","3","5","1","2","7","1","1") = "6"
    & skf21("5","3","5","1","2","7","2","1") = "6"
    & skf21("5","3","5","1","2","7","3","1") = "6"
    & skf21("5","3","5","1","2","7","4","1") = "6"
    & skf21("5","3","5","1","2","7","5","1") = "6"
    & skf21("5","3","5","1","2","7","6","1") = "6"
    & skf21("5","3","5","1","2","7","7","1") = "6"
    & skf21("5","3","5","1","3","1","1","1") = "4"
    & skf21("5","3","5","1","3","1","2","1") = "4"
    & skf21("5","3","5","1","3","1","3","1") = "4"
    & skf21("5","3","5","1","3","1","4","1") = "4"
    & skf21("5","3","5","1","3","1","5","1") = "4"
    & skf21("5","3","5","1","3","1","6","1") = "5"
    & skf21("5","3","5","1","3","1","7","1") = "6"
    & skf21("5","3","5","1","3","2","1","1") = "4"
    & skf21("5","3","5","1","3","2","2","1") = "4"
    & skf21("5","3","5","1","3","2","3","1") = "4"
    & skf21("5","3","5","1","3","2","4","1") = "4"
    & skf21("5","3","5","1","3","2","5","1") = "4"
    & skf21("5","3","5","1","3","2","6","1") = "5"
    & skf21("5","3","5","1","3","2","7","1") = "6"
    & skf21("5","3","5","1","3","3","1","1") = "4"
    & skf21("5","3","5","1","3","3","2","1") = "4"
    & skf21("5","3","5","1","3","3","3","1") = "4"
    & skf21("5","3","5","1","3","3","4","1") = "4"
    & skf21("5","3","5","1","3","3","5","1") = "4"
    & skf21("5","3","5","1","3","3","6","1") = "5"
    & skf21("5","3","5","1","3","3","7","1") = "6"
    & skf21("5","3","5","1","3","4","1","1") = "4"
    & skf21("5","3","5","1","3","4","2","1") = "4"
    & skf21("5","3","5","1","3","4","3","1") = "4"
    & skf21("5","3","5","1","3","4","4","1") = "4"
    & skf21("5","3","5","1","3","4","5","1") = "4"
    & skf21("5","3","5","1","3","4","6","1") = "5"
    & skf21("5","3","5","1","3","4","7","1") = "6"
    & skf21("5","3","5","1","3","5","1","1") = "4"
    & skf21("5","3","5","1","3","5","2","1") = "4"
    & skf21("5","3","5","1","3","5","3","1") = "4"
    & skf21("5","3","5","1","3","5","4","1") = "4"
    & skf21("5","3","5","1","3","5","5","1") = "4"
    & skf21("5","3","5","1","3","5","6","1") = "5"
    & skf21("5","3","5","1","3","5","7","1") = "6"
    & skf21("5","3","5","1","3","6","1","1") = "5"
    & skf21("5","3","5","1","3","6","2","1") = "5"
    & skf21("5","3","5","1","3","6","3","1") = "5"
    & skf21("5","3","5","1","3","6","4","1") = "5"
    & skf21("5","3","5","1","3","6","5","1") = "5"
    & skf21("5","3","5","1","3","6","6","1") = "5"
    & skf21("5","3","5","1","3","6","7","1") = "6"
    & skf21("5","3","5","1","3","7","1","1") = "6"
    & skf21("5","3","5","1","3","7","2","1") = "6"
    & skf21("5","3","5","1","3","7","3","1") = "6"
    & skf21("5","3","5","1","3","7","4","1") = "6"
    & skf21("5","3","5","1","3","7","5","1") = "6"
    & skf21("5","3","5","1","3","7","6","1") = "6"
    & skf21("5","3","5","1","3","7","7","1") = "6"
    & skf21("5","3","5","1","4","1","1","1") = "4"
    & skf21("5","3","5","1","4","1","2","1") = "4"
    & skf21("5","3","5","1","4","1","3","1") = "4"
    & skf21("5","3","5","1","4","1","4","1") = "4"
    & skf21("5","3","5","1","4","1","5","1") = "4"
    & skf21("5","3","5","1","4","1","6","1") = "5"
    & skf21("5","3","5","1","4","1","7","1") = "6"
    & skf21("5","3","5","1","4","2","1","1") = "4"
    & skf21("5","3","5","1","4","2","2","1") = "4"
    & skf21("5","3","5","1","4","2","3","1") = "4"
    & skf21("5","3","5","1","4","2","4","1") = "4"
    & skf21("5","3","5","1","4","2","5","1") = "4"
    & skf21("5","3","5","1","4","2","6","1") = "5"
    & skf21("5","3","5","1","4","2","7","1") = "6"
    & skf21("5","3","5","1","4","3","1","1") = "4"
    & skf21("5","3","5","1","4","3","2","1") = "4"
    & skf21("5","3","5","1","4","3","3","1") = "4"
    & skf21("5","3","5","1","4","3","4","1") = "4"
    & skf21("5","3","5","1","4","3","5","1") = "4"
    & skf21("5","3","5","1","4","3","6","1") = "5"
    & skf21("5","3","5","1","4","3","7","1") = "6"
    & skf21("5","3","5","1","4","4","1","1") = "4"
    & skf21("5","3","5","1","4","4","2","1") = "4"
    & skf21("5","3","5","1","4","4","3","1") = "4"
    & skf21("5","3","5","1","4","4","4","1") = "4"
    & skf21("5","3","5","1","4","4","5","1") = "4"
    & skf21("5","3","5","1","4","4","6","1") = "5"
    & skf21("5","3","5","1","4","4","7","1") = "6"
    & skf21("5","3","5","1","4","5","1","1") = "4"
    & skf21("5","3","5","1","4","5","2","1") = "4"
    & skf21("5","3","5","1","4","5","3","1") = "4"
    & skf21("5","3","5","1","4","5","4","1") = "4"
    & skf21("5","3","5","1","4","5","5","1") = "4"
    & skf21("5","3","5","1","4","5","6","1") = "5"
    & skf21("5","3","5","1","4","5","7","1") = "6"
    & skf21("5","3","5","1","4","6","1","1") = "5"
    & skf21("5","3","5","1","4","6","2","1") = "5"
    & skf21("5","3","5","1","4","6","3","1") = "5"
    & skf21("5","3","5","1","4","6","4","1") = "5"
    & skf21("5","3","5","1","4","6","5","1") = "5"
    & skf21("5","3","5","1","4","6","6","1") = "5"
    & skf21("5","3","5","1","4","6","7","1") = "6"
    & skf21("5","3","5","1","4","7","1","1") = "6"
    & skf21("5","3","5","1","4","7","2","1") = "6"
    & skf21("5","3","5","1","4","7","3","1") = "6"
    & skf21("5","3","5","1","4","7","4","1") = "6"
    & skf21("5","3","5","1","4","7","5","1") = "6"
    & skf21("5","3","5","1","4","7","6","1") = "6"
    & skf21("5","3","5","1","4","7","7","1") = "6"
    & skf21("5","3","5","1","5","1","1","1") = "4"
    & skf21("5","3","5","1","5","1","2","1") = "4"
    & skf21("5","3","5","1","5","1","3","1") = "4"
    & skf21("5","3","5","1","5","1","4","1") = "4"
    & skf21("5","3","5","1","5","1","5","1") = "4"
    & skf21("5","3","5","1","5","1","6","1") = "5"
    & skf21("5","3","5","1","5","1","7","1") = "6"
    & skf21("5","3","5","1","5","2","1","1") = "4"
    & skf21("5","3","5","1","5","2","2","1") = "4"
    & skf21("5","3","5","1","5","2","3","1") = "4"
    & skf21("5","3","5","1","5","2","4","1") = "4"
    & skf21("5","3","5","1","5","2","5","1") = "4"
    & skf21("5","3","5","1","5","2","6","1") = "5"
    & skf21("5","3","5","1","5","2","7","1") = "6"
    & skf21("5","3","5","1","5","3","1","1") = "4"
    & skf21("5","3","5","1","5","3","2","1") = "4"
    & skf21("5","3","5","1","5","3","3","1") = "4"
    & skf21("5","3","5","1","5","3","4","1") = "4"
    & skf21("5","3","5","1","5","3","5","1") = "4"
    & skf21("5","3","5","1","5","3","6","1") = "5"
    & skf21("5","3","5","1","5","3","7","1") = "6"
    & skf21("5","3","5","1","5","4","1","1") = "4"
    & skf21("5","3","5","1","5","4","2","1") = "4"
    & skf21("5","3","5","1","5","4","3","1") = "4"
    & skf21("5","3","5","1","5","4","4","1") = "4"
    & skf21("5","3","5","1","5","4","5","1") = "4"
    & skf21("5","3","5","1","5","4","6","1") = "5"
    & skf21("5","3","5","1","5","4","7","1") = "6"
    & skf21("5","3","5","1","5","5","1","1") = "4"
    & skf21("5","3","5","1","5","5","2","1") = "4"
    & skf21("5","3","5","1","5","5","3","1") = "4"
    & skf21("5","3","5","1","5","5","4","1") = "4"
    & skf21("5","3","5","1","5","5","5","1") = "4"
    & skf21("5","3","5","1","5","5","6","1") = "5"
    & skf21("5","3","5","1","5","5","7","1") = "6"
    & skf21("5","3","5","1","5","6","1","1") = "5"
    & skf21("5","3","5","1","5","6","2","1") = "5"
    & skf21("5","3","5","1","5","6","3","1") = "5"
    & skf21("5","3","5","1","5","6","4","1") = "5"
    & skf21("5","3","5","1","5","6","5","1") = "5"
    & skf21("5","3","5","1","5","6","6","1") = "5"
    & skf21("5","3","5","1","5","6","7","1") = "6"
    & skf21("5","3","5","1","5","7","1","1") = "6"
    & skf21("5","3","5","1","5","7","2","1") = "6"
    & skf21("5","3","5","1","5","7","3","1") = "6"
    & skf21("5","3","5","1","5","7","4","1") = "6"
    & skf21("5","3","5","1","5","7","5","1") = "6"
    & skf21("5","3","5","1","5","7","6","1") = "6"
    & skf21("5","3","5","1","5","7","7","1") = "6"
    & skf21("5","3","5","1","6","1","1","1") = "5"
    & skf21("5","3","5","1","6","1","2","1") = "5"
    & skf21("5","3","5","1","6","1","3","1") = "5"
    & skf21("5","3","5","1","6","1","4","1") = "5"
    & skf21("5","3","5","1","6","1","5","1") = "5"
    & skf21("5","3","5","1","6","1","6","1") = "5"
    & skf21("5","3","5","1","6","1","7","1") = "6"
    & skf21("5","3","5","1","6","2","1","1") = "5"
    & skf21("5","3","5","1","6","2","2","1") = "5"
    & skf21("5","3","5","1","6","2","3","1") = "5"
    & skf21("5","3","5","1","6","2","4","1") = "5"
    & skf21("5","3","5","1","6","2","5","1") = "5"
    & skf21("5","3","5","1","6","2","6","1") = "5"
    & skf21("5","3","5","1","6","2","7","1") = "6"
    & skf21("5","3","5","1","6","3","1","1") = "5"
    & skf21("5","3","5","1","6","3","2","1") = "5"
    & skf21("5","3","5","1","6","3","3","1") = "5"
    & skf21("5","3","5","1","6","3","4","1") = "5"
    & skf21("5","3","5","1","6","3","5","1") = "5"
    & skf21("5","3","5","1","6","3","6","1") = "5"
    & skf21("5","3","5","1","6","3","7","1") = "6"
    & skf21("5","3","5","1","6","4","1","1") = "5"
    & skf21("5","3","5","1","6","4","2","1") = "5"
    & skf21("5","3","5","1","6","4","3","1") = "5"
    & skf21("5","3","5","1","6","4","4","1") = "5"
    & skf21("5","3","5","1","6","4","5","1") = "5"
    & skf21("5","3","5","1","6","4","6","1") = "5"
    & skf21("5","3","5","1","6","4","7","1") = "6"
    & skf21("5","3","5","1","6","5","1","1") = "5"
    & skf21("5","3","5","1","6","5","2","1") = "5"
    & skf21("5","3","5","1","6","5","3","1") = "5"
    & skf21("5","3","5","1","6","5","4","1") = "5"
    & skf21("5","3","5","1","6","5","5","1") = "5"
    & skf21("5","3","5","1","6","5","6","1") = "5"
    & skf21("5","3","5","1","6","5","7","1") = "6"
    & skf21("5","3","5","1","6","6","1","1") = "5"
    & skf21("5","3","5","1","6","6","2","1") = "5"
    & skf21("5","3","5","1","6","6","3","1") = "5"
    & skf21("5","3","5","1","6","6","4","1") = "5"
    & skf21("5","3","5","1","6","6","5","1") = "5"
    & skf21("5","3","5","1","6","6","6","1") = "5"
    & skf21("5","3","5","1","6","6","7","1") = "6"
    & skf21("5","3","5","1","6","7","1","1") = "6"
    & skf21("5","3","5","1","6","7","2","1") = "6"
    & skf21("5","3","5","1","6","7","3","1") = "6"
    & skf21("5","3","5","1","6","7","4","1") = "6"
    & skf21("5","3","5","1","6","7","5","1") = "6"
    & skf21("5","3","5","1","6","7","6","1") = "6"
    & skf21("5","3","5","1","6","7","7","1") = "6"
    & skf21("5","3","5","1","7","1","1","1") = "6"
    & skf21("5","3","5","1","7","1","2","1") = "6"
    & skf21("5","3","5","1","7","1","3","1") = "6"
    & skf21("5","3","5","1","7","1","4","1") = "6"
    & skf21("5","3","5","1","7","1","5","1") = "6"
    & skf21("5","3","5","1","7","1","6","1") = "6"
    & skf21("5","3","5","1","7","1","7","1") = "6"
    & skf21("5","3","5","1","7","2","1","1") = "6"
    & skf21("5","3","5","1","7","2","2","1") = "6"
    & skf21("5","3","5","1","7","2","3","1") = "6"
    & skf21("5","3","5","1","7","2","4","1") = "6"
    & skf21("5","3","5","1","7","2","5","1") = "6"
    & skf21("5","3","5","1","7","2","6","1") = "6"
    & skf21("5","3","5","1","7","2","7","1") = "6"
    & skf21("5","3","5","1","7","3","1","1") = "6"
    & skf21("5","3","5","1","7","3","2","1") = "6"
    & skf21("5","3","5","1","7","3","3","1") = "6"
    & skf21("5","3","5","1","7","3","4","1") = "6"
    & skf21("5","3","5","1","7","3","5","1") = "6"
    & skf21("5","3","5","1","7","3","6","1") = "6"
    & skf21("5","3","5","1","7","3","7","1") = "6"
    & skf21("5","3","5","1","7","4","1","1") = "6"
    & skf21("5","3","5","1","7","4","2","1") = "6"
    & skf21("5","3","5","1","7","4","3","1") = "6"
    & skf21("5","3","5","1","7","4","4","1") = "6"
    & skf21("5","3","5","1","7","4","5","1") = "6"
    & skf21("5","3","5","1","7","4","6","1") = "6"
    & skf21("5","3","5","1","7","4","7","1") = "6"
    & skf21("5","3","5","1","7","5","1","1") = "6"
    & skf21("5","3","5","1","7","5","2","1") = "6"
    & skf21("5","3","5","1","7","5","3","1") = "6"
    & skf21("5","3","5","1","7","5","4","1") = "6"
    & skf21("5","3","5","1","7","5","5","1") = "6"
    & skf21("5","3","5","1","7","5","6","1") = "6"
    & skf21("5","3","5","1","7","5","7","1") = "6"
    & skf21("5","3","5","1","7","6","1","1") = "6"
    & skf21("5","3","5","1","7","6","2","1") = "6"
    & skf21("5","3","5","1","7","6","3","1") = "6"
    & skf21("5","3","5","1","7","6","4","1") = "6"
    & skf21("5","3","5","1","7","6","5","1") = "6"
    & skf21("5","3","5","1","7","6","6","1") = "6"
    & skf21("5","3","5","1","7","6","7","1") = "6"
    & skf21("5","3","5","1","7","7","1","1") = "6"
    & skf21("5","3","5","1","7","7","2","1") = "6"
    & skf21("5","3","5","1","7","7","3","1") = "6"
    & skf21("5","3","5","1","7","7","4","1") = "6"
    & skf21("5","3","5","1","7","7","5","1") = "6"
    & skf21("5","3","5","1","7","7","6","1") = "6"
    & skf21("5","3","5","1","7","7","7","1") = "6"
    & skf21("5","3","5","2","1","1","1","1") = "4"
    & skf21("5","3","5","2","1","1","2","1") = "4"
    & skf21("5","3","5","2","1","1","3","1") = "4"
    & skf21("5","3","5","2","1","1","4","1") = "4"
    & skf21("5","3","5","2","1","1","5","1") = "4"
    & skf21("5","3","5","2","1","1","6","1") = "5"
    & skf21("5","3","5","2","1","1","7","1") = "6"
    & skf21("5","3","5","2","1","2","1","1") = "4"
    & skf21("5","3","5","2","1","2","2","1") = "4"
    & skf21("5","3","5","2","1","2","3","1") = "4"
    & skf21("5","3","5","2","1","2","4","1") = "4"
    & skf21("5","3","5","2","1","2","5","1") = "4"
    & skf21("5","3","5","2","1","2","6","1") = "5"
    & skf21("5","3","5","2","1","2","7","1") = "6"
    & skf21("5","3","5","2","1","3","1","1") = "4"
    & skf21("5","3","5","2","1","3","2","1") = "4"
    & skf21("5","3","5","2","1","3","3","1") = "4"
    & skf21("5","3","5","2","1","3","4","1") = "4"
    & skf21("5","3","5","2","1","3","5","1") = "4"
    & skf21("5","3","5","2","1","3","6","1") = "5"
    & skf21("5","3","5","2","1","3","7","1") = "6"
    & skf21("5","3","5","2","1","4","1","1") = "4"
    & skf21("5","3","5","2","1","4","2","1") = "4"
    & skf21("5","3","5","2","1","4","3","1") = "4"
    & skf21("5","3","5","2","1","4","4","1") = "4"
    & skf21("5","3","5","2","1","4","5","1") = "4"
    & skf21("5","3","5","2","1","4","6","1") = "5"
    & skf21("5","3","5","2","1","4","7","1") = "6"
    & skf21("5","3","5","2","1","5","1","1") = "4"
    & skf21("5","3","5","2","1","5","2","1") = "4"
    & skf21("5","3","5","2","1","5","3","1") = "4"
    & skf21("5","3","5","2","1","5","4","1") = "4"
    & skf21("5","3","5","2","1","5","5","1") = "4"
    & skf21("5","3","5","2","1","5","6","1") = "5"
    & skf21("5","3","5","2","1","5","7","1") = "6"
    & skf21("5","3","5","2","1","6","1","1") = "5"
    & skf21("5","3","5","2","1","6","2","1") = "5"
    & skf21("5","3","5","2","1","6","3","1") = "5"
    & skf21("5","3","5","2","1","6","4","1") = "5"
    & skf21("5","3","5","2","1","6","5","1") = "5"
    & skf21("5","3","5","2","1","6","6","1") = "5"
    & skf21("5","3","5","2","1","6","7","1") = "6"
    & skf21("5","3","5","2","1","7","1","1") = "6"
    & skf21("5","3","5","2","1","7","2","1") = "6"
    & skf21("5","3","5","2","1","7","3","1") = "6"
    & skf21("5","3","5","2","1","7","4","1") = "6"
    & skf21("5","3","5","2","1","7","5","1") = "6"
    & skf21("5","3","5","2","1","7","6","1") = "6"
    & skf21("5","3","5","2","1","7","7","1") = "6"
    & skf21("5","3","5","2","2","1","1","1") = "4"
    & skf21("5","3","5","2","2","1","2","1") = "4"
    & skf21("5","3","5","2","2","1","3","1") = "4"
    & skf21("5","3","5","2","2","1","4","1") = "4"
    & skf21("5","3","5","2","2","1","5","1") = "4"
    & skf21("5","3","5","2","2","1","6","1") = "5"
    & skf21("5","3","5","2","2","1","7","1") = "6"
    & skf21("5","3","5","2","2","2","1","1") = "4"
    & skf21("5","3","5","2","2","2","2","1") = "4"
    & skf21("5","3","5","2","2","2","3","1") = "4"
    & skf21("5","3","5","2","2","2","4","1") = "4"
    & skf21("5","3","5","2","2","2","5","1") = "4"
    & skf21("5","3","5","2","2","2","6","1") = "5"
    & skf21("5","3","5","2","2","2","7","1") = "6"
    & skf21("5","3","5","2","2","3","1","1") = "4"
    & skf21("5","3","5","2","2","3","2","1") = "4"
    & skf21("5","3","5","2","2","3","3","1") = "4"
    & skf21("5","3","5","2","2","3","4","1") = "4"
    & skf21("5","3","5","2","2","3","5","1") = "4"
    & skf21("5","3","5","2","2","3","6","1") = "5"
    & skf21("5","3","5","2","2","3","7","1") = "6"
    & skf21("5","3","5","2","2","4","1","1") = "4"
    & skf21("5","3","5","2","2","4","2","1") = "4"
    & skf21("5","3","5","2","2","4","3","1") = "4"
    & skf21("5","3","5","2","2","4","4","1") = "4"
    & skf21("5","3","5","2","2","4","5","1") = "4"
    & skf21("5","3","5","2","2","4","6","1") = "5"
    & skf21("5","3","5","2","2","4","7","1") = "6"
    & skf21("5","3","5","2","2","5","1","1") = "4"
    & skf21("5","3","5","2","2","5","2","1") = "4"
    & skf21("5","3","5","2","2","5","3","1") = "4"
    & skf21("5","3","5","2","2","5","4","1") = "4"
    & skf21("5","3","5","2","2","5","5","1") = "4"
    & skf21("5","3","5","2","2","5","6","1") = "5"
    & skf21("5","3","5","2","2","5","7","1") = "6"
    & skf21("5","3","5","2","2","6","1","1") = "5"
    & skf21("5","3","5","2","2","6","2","1") = "5"
    & skf21("5","3","5","2","2","6","3","1") = "5"
    & skf21("5","3","5","2","2","6","4","1") = "5"
    & skf21("5","3","5","2","2","6","5","1") = "5"
    & skf21("5","3","5","2","2","6","6","1") = "5"
    & skf21("5","3","5","2","2","6","7","1") = "6"
    & skf21("5","3","5","2","2","7","1","1") = "6"
    & skf21("5","3","5","2","2","7","2","1") = "6"
    & skf21("5","3","5","2","2","7","3","1") = "6"
    & skf21("5","3","5","2","2","7","4","1") = "6"
    & skf21("5","3","5","2","2","7","5","1") = "6"
    & skf21("5","3","5","2","2","7","6","1") = "6"
    & skf21("5","3","5","2","2","7","7","1") = "6"
    & skf21("5","3","5","2","3","1","1","1") = "4"
    & skf21("5","3","5","2","3","1","2","1") = "4"
    & skf21("5","3","5","2","3","1","3","1") = "4"
    & skf21("5","3","5","2","3","1","4","1") = "4"
    & skf21("5","3","5","2","3","1","5","1") = "4"
    & skf21("5","3","5","2","3","1","6","1") = "5"
    & skf21("5","3","5","2","3","1","7","1") = "6"
    & skf21("5","3","5","2","3","2","1","1") = "4"
    & skf21("5","3","5","2","3","2","2","1") = "4"
    & skf21("5","3","5","2","3","2","3","1") = "4"
    & skf21("5","3","5","2","3","2","4","1") = "4"
    & skf21("5","3","5","2","3","2","5","1") = "4"
    & skf21("5","3","5","2","3","2","6","1") = "5"
    & skf21("5","3","5","2","3","2","7","1") = "6"
    & skf21("5","3","5","2","3","3","1","1") = "4"
    & skf21("5","3","5","2","3","3","2","1") = "4"
    & skf21("5","3","5","2","3","3","3","1") = "4"
    & skf21("5","3","5","2","3","3","4","1") = "4"
    & skf21("5","3","5","2","3","3","5","1") = "4"
    & skf21("5","3","5","2","3","3","6","1") = "5"
    & skf21("5","3","5","2","3","3","7","1") = "6"
    & skf21("5","3","5","2","3","4","1","1") = "4"
    & skf21("5","3","5","2","3","4","2","1") = "4"
    & skf21("5","3","5","2","3","4","3","1") = "4"
    & skf21("5","3","5","2","3","4","4","1") = "4"
    & skf21("5","3","5","2","3","4","5","1") = "4"
    & skf21("5","3","5","2","3","4","6","1") = "5"
    & skf21("5","3","5","2","3","4","7","1") = "6"
    & skf21("5","3","5","2","3","5","1","1") = "4"
    & skf21("5","3","5","2","3","5","2","1") = "4"
    & skf21("5","3","5","2","3","5","3","1") = "4"
    & skf21("5","3","5","2","3","5","4","1") = "4"
    & skf21("5","3","5","2","3","5","5","1") = "4"
    & skf21("5","3","5","2","3","5","6","1") = "5"
    & skf21("5","3","5","2","3","5","7","1") = "6"
    & skf21("5","3","5","2","3","6","1","1") = "5"
    & skf21("5","3","5","2","3","6","2","1") = "5"
    & skf21("5","3","5","2","3","6","3","1") = "5"
    & skf21("5","3","5","2","3","6","4","1") = "5"
    & skf21("5","3","5","2","3","6","5","1") = "5"
    & skf21("5","3","5","2","3","6","6","1") = "5"
    & skf21("5","3","5","2","3","6","7","1") = "6"
    & skf21("5","3","5","2","3","7","1","1") = "6"
    & skf21("5","3","5","2","3","7","2","1") = "6"
    & skf21("5","3","5","2","3","7","3","1") = "6"
    & skf21("5","3","5","2","3","7","4","1") = "6"
    & skf21("5","3","5","2","3","7","5","1") = "6"
    & skf21("5","3","5","2","3","7","6","1") = "6"
    & skf21("5","3","5","2","3","7","7","1") = "6"
    & skf21("5","3","5","2","4","1","1","1") = "4"
    & skf21("5","3","5","2","4","1","2","1") = "4"
    & skf21("5","3","5","2","4","1","3","1") = "4"
    & skf21("5","3","5","2","4","1","4","1") = "4"
    & skf21("5","3","5","2","4","1","5","1") = "4"
    & skf21("5","3","5","2","4","1","6","1") = "5"
    & skf21("5","3","5","2","4","1","7","1") = "6"
    & skf21("5","3","5","2","4","2","1","1") = "4"
    & skf21("5","3","5","2","4","2","2","1") = "4"
    & skf21("5","3","5","2","4","2","3","1") = "4"
    & skf21("5","3","5","2","4","2","4","1") = "4"
    & skf21("5","3","5","2","4","2","5","1") = "4"
    & skf21("5","3","5","2","4","2","6","1") = "5"
    & skf21("5","3","5","2","4","2","7","1") = "6"
    & skf21("5","3","5","2","4","3","1","1") = "4"
    & skf21("5","3","5","2","4","3","2","1") = "4"
    & skf21("5","3","5","2","4","3","3","1") = "4"
    & skf21("5","3","5","2","4","3","4","1") = "4"
    & skf21("5","3","5","2","4","3","5","1") = "4"
    & skf21("5","3","5","2","4","3","6","1") = "5"
    & skf21("5","3","5","2","4","3","7","1") = "6"
    & skf21("5","3","5","2","4","4","1","1") = "4"
    & skf21("5","3","5","2","4","4","2","1") = "4"
    & skf21("5","3","5","2","4","4","3","1") = "4"
    & skf21("5","3","5","2","4","4","4","1") = "4"
    & skf21("5","3","5","2","4","4","5","1") = "4"
    & skf21("5","3","5","2","4","4","6","1") = "5"
    & skf21("5","3","5","2","4","4","7","1") = "6"
    & skf21("5","3","5","2","4","5","1","1") = "4"
    & skf21("5","3","5","2","4","5","2","1") = "4"
    & skf21("5","3","5","2","4","5","3","1") = "4"
    & skf21("5","3","5","2","4","5","4","1") = "4"
    & skf21("5","3","5","2","4","5","5","1") = "4"
    & skf21("5","3","5","2","4","5","6","1") = "5"
    & skf21("5","3","5","2","4","5","7","1") = "6"
    & skf21("5","3","5","2","4","6","1","1") = "5"
    & skf21("5","3","5","2","4","6","2","1") = "5"
    & skf21("5","3","5","2","4","6","3","1") = "5"
    & skf21("5","3","5","2","4","6","4","1") = "5"
    & skf21("5","3","5","2","4","6","5","1") = "5"
    & skf21("5","3","5","2","4","6","6","1") = "5"
    & skf21("5","3","5","2","4","6","7","1") = "6"
    & skf21("5","3","5","2","4","7","1","1") = "6"
    & skf21("5","3","5","2","4","7","2","1") = "6"
    & skf21("5","3","5","2","4","7","3","1") = "6"
    & skf21("5","3","5","2","4","7","4","1") = "6"
    & skf21("5","3","5","2","4","7","5","1") = "6"
    & skf21("5","3","5","2","4","7","6","1") = "6"
    & skf21("5","3","5","2","4","7","7","1") = "6"
    & skf21("5","3","5","2","5","1","1","1") = "4"
    & skf21("5","3","5","2","5","1","2","1") = "4"
    & skf21("5","3","5","2","5","1","3","1") = "4"
    & skf21("5","3","5","2","5","1","4","1") = "4"
    & skf21("5","3","5","2","5","1","5","1") = "4"
    & skf21("5","3","5","2","5","1","6","1") = "5"
    & skf21("5","3","5","2","5","1","7","1") = "6"
    & skf21("5","3","5","2","5","2","1","1") = "4"
    & skf21("5","3","5","2","5","2","2","1") = "4"
    & skf21("5","3","5","2","5","2","3","1") = "4"
    & skf21("5","3","5","2","5","2","4","1") = "4"
    & skf21("5","3","5","2","5","2","5","1") = "4"
    & skf21("5","3","5","2","5","2","6","1") = "5"
    & skf21("5","3","5","2","5","2","7","1") = "6"
    & skf21("5","3","5","2","5","3","1","1") = "4"
    & skf21("5","3","5","2","5","3","2","1") = "4"
    & skf21("5","3","5","2","5","3","3","1") = "4"
    & skf21("5","3","5","2","5","3","4","1") = "4"
    & skf21("5","3","5","2","5","3","5","1") = "4"
    & skf21("5","3","5","2","5","3","6","1") = "5"
    & skf21("5","3","5","2","5","3","7","1") = "6"
    & skf21("5","3","5","2","5","4","1","1") = "4"
    & skf21("5","3","5","2","5","4","2","1") = "4"
    & skf21("5","3","5","2","5","4","3","1") = "4"
    & skf21("5","3","5","2","5","4","4","1") = "4"
    & skf21("5","3","5","2","5","4","5","1") = "4"
    & skf21("5","3","5","2","5","4","6","1") = "5"
    & skf21("5","3","5","2","5","4","7","1") = "6"
    & skf21("5","3","5","2","5","5","1","1") = "4"
    & skf21("5","3","5","2","5","5","2","1") = "4"
    & skf21("5","3","5","2","5","5","3","1") = "4"
    & skf21("5","3","5","2","5","5","4","1") = "4"
    & skf21("5","3","5","2","5","5","5","1") = "4"
    & skf21("5","3","5","2","5","5","6","1") = "5"
    & skf21("5","3","5","2","5","5","7","1") = "6"
    & skf21("5","3","5","2","5","6","1","1") = "5"
    & skf21("5","3","5","2","5","6","2","1") = "5"
    & skf21("5","3","5","2","5","6","3","1") = "5"
    & skf21("5","3","5","2","5","6","4","1") = "5"
    & skf21("5","3","5","2","5","6","5","1") = "5"
    & skf21("5","3","5","2","5","6","6","1") = "5"
    & skf21("5","3","5","2","5","6","7","1") = "6"
    & skf21("5","3","5","2","5","7","1","1") = "6"
    & skf21("5","3","5","2","5","7","2","1") = "6"
    & skf21("5","3","5","2","5","7","3","1") = "6"
    & skf21("5","3","5","2","5","7","4","1") = "6"
    & skf21("5","3","5","2","5","7","5","1") = "6"
    & skf21("5","3","5","2","5","7","6","1") = "6"
    & skf21("5","3","5","2","5","7","7","1") = "6"
    & skf21("5","3","5","2","6","1","1","1") = "5"
    & skf21("5","3","5","2","6","1","2","1") = "5"
    & skf21("5","3","5","2","6","1","3","1") = "5"
    & skf21("5","3","5","2","6","1","4","1") = "5"
    & skf21("5","3","5","2","6","1","5","1") = "5"
    & skf21("5","3","5","2","6","1","6","1") = "5"
    & skf21("5","3","5","2","6","1","7","1") = "6"
    & skf21("5","3","5","2","6","2","1","1") = "5"
    & skf21("5","3","5","2","6","2","2","1") = "5"
    & skf21("5","3","5","2","6","2","3","1") = "5"
    & skf21("5","3","5","2","6","2","4","1") = "5"
    & skf21("5","3","5","2","6","2","5","1") = "5"
    & skf21("5","3","5","2","6","2","6","1") = "5"
    & skf21("5","3","5","2","6","2","7","1") = "6"
    & skf21("5","3","5","2","6","3","1","1") = "5"
    & skf21("5","3","5","2","6","3","2","1") = "5"
    & skf21("5","3","5","2","6","3","3","1") = "5"
    & skf21("5","3","5","2","6","3","4","1") = "5"
    & skf21("5","3","5","2","6","3","5","1") = "5"
    & skf21("5","3","5","2","6","3","6","1") = "5"
    & skf21("5","3","5","2","6","3","7","1") = "6"
    & skf21("5","3","5","2","6","4","1","1") = "5"
    & skf21("5","3","5","2","6","4","2","1") = "5"
    & skf21("5","3","5","2","6","4","3","1") = "5"
    & skf21("5","3","5","2","6","4","4","1") = "5"
    & skf21("5","3","5","2","6","4","5","1") = "5"
    & skf21("5","3","5","2","6","4","6","1") = "5"
    & skf21("5","3","5","2","6","4","7","1") = "6"
    & skf21("5","3","5","2","6","5","1","1") = "5"
    & skf21("5","3","5","2","6","5","2","1") = "5"
    & skf21("5","3","5","2","6","5","3","1") = "5"
    & skf21("5","3","5","2","6","5","4","1") = "5"
    & skf21("5","3","5","2","6","5","5","1") = "5"
    & skf21("5","3","5","2","6","5","6","1") = "5"
    & skf21("5","3","5","2","6","5","7","1") = "6"
    & skf21("5","3","5","2","6","6","1","1") = "5"
    & skf21("5","3","5","2","6","6","2","1") = "5"
    & skf21("5","3","5","2","6","6","3","1") = "5"
    & skf21("5","3","5","2","6","6","4","1") = "5"
    & skf21("5","3","5","2","6","6","5","1") = "5"
    & skf21("5","3","5","2","6","6","6","1") = "5"
    & skf21("5","3","5","2","6","6","7","1") = "6"
    & skf21("5","3","5","2","6","7","1","1") = "6"
    & skf21("5","3","5","2","6","7","2","1") = "6"
    & skf21("5","3","5","2","6","7","3","1") = "6"
    & skf21("5","3","5","2","6","7","4","1") = "6"
    & skf21("5","3","5","2","6","7","5","1") = "6"
    & skf21("5","3","5","2","6","7","6","1") = "6"
    & skf21("5","3","5","2","6","7","7","1") = "6"
    & skf21("5","3","5","2","7","1","1","1") = "6"
    & skf21("5","3","5","2","7","1","2","1") = "6"
    & skf21("5","3","5","2","7","1","3","1") = "6"
    & skf21("5","3","5","2","7","1","4","1") = "6"
    & skf21("5","3","5","2","7","1","5","1") = "6"
    & skf21("5","3","5","2","7","1","6","1") = "6"
    & skf21("5","3","5","2","7","1","7","1") = "6"
    & skf21("5","3","5","2","7","2","1","1") = "6"
    & skf21("5","3","5","2","7","2","2","1") = "6"
    & skf21("5","3","5","2","7","2","3","1") = "6"
    & skf21("5","3","5","2","7","2","4","1") = "6"
    & skf21("5","3","5","2","7","2","5","1") = "6"
    & skf21("5","3","5","2","7","2","6","1") = "6"
    & skf21("5","3","5","2","7","2","7","1") = "6"
    & skf21("5","3","5","2","7","3","1","1") = "6"
    & skf21("5","3","5","2","7","3","2","1") = "6"
    & skf21("5","3","5","2","7","3","3","1") = "6"
    & skf21("5","3","5","2","7","3","4","1") = "6"
    & skf21("5","3","5","2","7","3","5","1") = "6"
    & skf21("5","3","5","2","7","3","6","1") = "6"
    & skf21("5","3","5","2","7","3","7","1") = "6"
    & skf21("5","3","5","2","7","4","1","1") = "6"
    & skf21("5","3","5","2","7","4","2","1") = "6"
    & skf21("5","3","5","2","7","4","3","1") = "6"
    & skf21("5","3","5","2","7","4","4","1") = "6"
    & skf21("5","3","5","2","7","4","5","1") = "6"
    & skf21("5","3","5","2","7","4","6","1") = "6"
    & skf21("5","3","5","2","7","4","7","1") = "6"
    & skf21("5","3","5","2","7","5","1","1") = "6"
    & skf21("5","3","5","2","7","5","2","1") = "6"
    & skf21("5","3","5","2","7","5","3","1") = "6"
    & skf21("5","3","5","2","7","5","4","1") = "6"
    & skf21("5","3","5","2","7","5","5","1") = "6"
    & skf21("5","3","5","2","7","5","6","1") = "6"
    & skf21("5","3","5","2","7","5","7","1") = "6"
    & skf21("5","3","5","2","7","6","1","1") = "6"
    & skf21("5","3","5","2","7","6","2","1") = "6"
    & skf21("5","3","5","2","7","6","3","1") = "6"
    & skf21("5","3","5","2","7","6","4","1") = "6"
    & skf21("5","3","5","2","7","6","5","1") = "6"
    & skf21("5","3","5","2","7","6","6","1") = "6"
    & skf21("5","3","5","2","7","6","7","1") = "6"
    & skf21("5","3","5","2","7","7","1","1") = "6"
    & skf21("5","3","5","2","7","7","2","1") = "6"
    & skf21("5","3","5","2","7","7","3","1") = "6"
    & skf21("5","3","5","2","7","7","4","1") = "6"
    & skf21("5","3","5","2","7","7","5","1") = "6"
    & skf21("5","3","5","2","7","7","6","1") = "6"
    & skf21("5","3","5","2","7","7","7","1") = "6"
    & skf21("5","3","5","3","1","1","1","1") = "4"
    & skf21("5","3","5","3","1","1","2","1") = "4"
    & skf21("5","3","5","3","1","1","3","1") = "4"
    & skf21("5","3","5","3","1","1","4","1") = "4"
    & skf21("5","3","5","3","1","1","5","1") = "4"
    & skf21("5","3","5","3","1","1","6","1") = "5"
    & skf21("5","3","5","3","1","1","7","1") = "6"
    & skf21("5","3","5","3","1","2","1","1") = "4"
    & skf21("5","3","5","3","1","2","2","1") = "4"
    & skf21("5","3","5","3","1","2","3","1") = "4"
    & skf21("5","3","5","3","1","2","4","1") = "4"
    & skf21("5","3","5","3","1","2","5","1") = "4"
    & skf21("5","3","5","3","1","2","6","1") = "5"
    & skf21("5","3","5","3","1","2","7","1") = "6"
    & skf21("5","3","5","3","1","3","1","1") = "4"
    & skf21("5","3","5","3","1","3","2","1") = "4"
    & skf21("5","3","5","3","1","3","3","1") = "4"
    & skf21("5","3","5","3","1","3","4","1") = "4"
    & skf21("5","3","5","3","1","3","5","1") = "4"
    & skf21("5","3","5","3","1","3","6","1") = "5"
    & skf21("5","3","5","3","1","3","7","1") = "6"
    & skf21("5","3","5","3","1","4","1","1") = "4"
    & skf21("5","3","5","3","1","4","2","1") = "4"
    & skf21("5","3","5","3","1","4","3","1") = "4"
    & skf21("5","3","5","3","1","4","4","1") = "4"
    & skf21("5","3","5","3","1","4","5","1") = "4"
    & skf21("5","3","5","3","1","4","6","1") = "5"
    & skf21("5","3","5","3","1","4","7","1") = "6"
    & skf21("5","3","5","3","1","5","1","1") = "4"
    & skf21("5","3","5","3","1","5","2","1") = "4"
    & skf21("5","3","5","3","1","5","3","1") = "4"
    & skf21("5","3","5","3","1","5","4","1") = "4"
    & skf21("5","3","5","3","1","5","5","1") = "4"
    & skf21("5","3","5","3","1","5","6","1") = "5"
    & skf21("5","3","5","3","1","5","7","1") = "6"
    & skf21("5","3","5","3","1","6","1","1") = "5"
    & skf21("5","3","5","3","1","6","2","1") = "5"
    & skf21("5","3","5","3","1","6","3","1") = "5"
    & skf21("5","3","5","3","1","6","4","1") = "5"
    & skf21("5","3","5","3","1","6","5","1") = "5"
    & skf21("5","3","5","3","1","6","6","1") = "5"
    & skf21("5","3","5","3","1","6","7","1") = "6"
    & skf21("5","3","5","3","1","7","1","1") = "6"
    & skf21("5","3","5","3","1","7","2","1") = "6"
    & skf21("5","3","5","3","1","7","3","1") = "6"
    & skf21("5","3","5","3","1","7","4","1") = "6"
    & skf21("5","3","5","3","1","7","5","1") = "6"
    & skf21("5","3","5","3","1","7","6","1") = "6"
    & skf21("5","3","5","3","1","7","7","1") = "6"
    & skf21("5","3","5","3","2","1","1","1") = "4"
    & skf21("5","3","5","3","2","1","2","1") = "4"
    & skf21("5","3","5","3","2","1","3","1") = "4"
    & skf21("5","3","5","3","2","1","4","1") = "4"
    & skf21("5","3","5","3","2","1","5","1") = "4"
    & skf21("5","3","5","3","2","1","6","1") = "5"
    & skf21("5","3","5","3","2","1","7","1") = "6"
    & skf21("5","3","5","3","2","2","1","1") = "4"
    & skf21("5","3","5","3","2","2","2","1") = "4"
    & skf21("5","3","5","3","2","2","3","1") = "4"
    & skf21("5","3","5","3","2","2","4","1") = "4"
    & skf21("5","3","5","3","2","2","5","1") = "4"
    & skf21("5","3","5","3","2","2","6","1") = "5"
    & skf21("5","3","5","3","2","2","7","1") = "6"
    & skf21("5","3","5","3","2","3","1","1") = "4"
    & skf21("5","3","5","3","2","3","2","1") = "4"
    & skf21("5","3","5","3","2","3","3","1") = "4"
    & skf21("5","3","5","3","2","3","4","1") = "4"
    & skf21("5","3","5","3","2","3","5","1") = "4"
    & skf21("5","3","5","3","2","3","6","1") = "5"
    & skf21("5","3","5","3","2","3","7","1") = "6"
    & skf21("5","3","5","3","2","4","1","1") = "4"
    & skf21("5","3","5","3","2","4","2","1") = "4"
    & skf21("5","3","5","3","2","4","3","1") = "4"
    & skf21("5","3","5","3","2","4","4","1") = "4"
    & skf21("5","3","5","3","2","4","5","1") = "4"
    & skf21("5","3","5","3","2","4","6","1") = "5"
    & skf21("5","3","5","3","2","4","7","1") = "6"
    & skf21("5","3","5","3","2","5","1","1") = "4"
    & skf21("5","3","5","3","2","5","2","1") = "4"
    & skf21("5","3","5","3","2","5","3","1") = "4"
    & skf21("5","3","5","3","2","5","4","1") = "4"
    & skf21("5","3","5","3","2","5","5","1") = "4"
    & skf21("5","3","5","3","2","5","6","1") = "5"
    & skf21("5","3","5","3","2","5","7","1") = "6"
    & skf21("5","3","5","3","2","6","1","1") = "5"
    & skf21("5","3","5","3","2","6","2","1") = "5"
    & skf21("5","3","5","3","2","6","3","1") = "5"
    & skf21("5","3","5","3","2","6","4","1") = "5"
    & skf21("5","3","5","3","2","6","5","1") = "5"
    & skf21("5","3","5","3","2","6","6","1") = "5"
    & skf21("5","3","5","3","2","6","7","1") = "6"
    & skf21("5","3","5","3","2","7","1","1") = "6"
    & skf21("5","3","5","3","2","7","2","1") = "6"
    & skf21("5","3","5","3","2","7","3","1") = "6"
    & skf21("5","3","5","3","2","7","4","1") = "6"
    & skf21("5","3","5","3","2","7","5","1") = "6"
    & skf21("5","3","5","3","2","7","6","1") = "6"
    & skf21("5","3","5","3","2","7","7","1") = "6"
    & skf21("5","3","5","3","3","1","1","1") = "4"
    & skf21("5","3","5","3","3","1","2","1") = "4"
    & skf21("5","3","5","3","3","1","3","1") = "4"
    & skf21("5","3","5","3","3","1","4","1") = "4"
    & skf21("5","3","5","3","3","1","5","1") = "4"
    & skf21("5","3","5","3","3","1","6","1") = "5"
    & skf21("5","3","5","3","3","1","7","1") = "6"
    & skf21("5","3","5","3","3","2","1","1") = "4"
    & skf21("5","3","5","3","3","2","2","1") = "4"
    & skf21("5","3","5","3","3","2","3","1") = "4"
    & skf21("5","3","5","3","3","2","4","1") = "4"
    & skf21("5","3","5","3","3","2","5","1") = "4"
    & skf21("5","3","5","3","3","2","6","1") = "5"
    & skf21("5","3","5","3","3","2","7","1") = "6"
    & skf21("5","3","5","3","3","3","1","1") = "4"
    & skf21("5","3","5","3","3","3","2","1") = "4"
    & skf21("5","3","5","3","3","3","3","1") = "4"
    & skf21("5","3","5","3","3","3","4","1") = "4"
    & skf21("5","3","5","3","3","3","5","1") = "4"
    & skf21("5","3","5","3","3","3","6","1") = "5"
    & skf21("5","3","5","3","3","3","7","1") = "6"
    & skf21("5","3","5","3","3","4","1","1") = "4"
    & skf21("5","3","5","3","3","4","2","1") = "4"
    & skf21("5","3","5","3","3","4","3","1") = "4"
    & skf21("5","3","5","3","3","4","4","1") = "4"
    & skf21("5","3","5","3","3","4","5","1") = "4"
    & skf21("5","3","5","3","3","4","6","1") = "5"
    & skf21("5","3","5","3","3","4","7","1") = "6"
    & skf21("5","3","5","3","3","5","1","1") = "4"
    & skf21("5","3","5","3","3","5","2","1") = "4"
    & skf21("5","3","5","3","3","5","3","1") = "4"
    & skf21("5","3","5","3","3","5","4","1") = "4"
    & skf21("5","3","5","3","3","5","5","1") = "4"
    & skf21("5","3","5","3","3","5","6","1") = "5"
    & skf21("5","3","5","3","3","5","7","1") = "6"
    & skf21("5","3","5","3","3","6","1","1") = "5"
    & skf21("5","3","5","3","3","6","2","1") = "5"
    & skf21("5","3","5","3","3","6","3","1") = "5"
    & skf21("5","3","5","3","3","6","4","1") = "5"
    & skf21("5","3","5","3","3","6","5","1") = "5"
    & skf21("5","3","5","3","3","6","6","1") = "5"
    & skf21("5","3","5","3","3","6","7","1") = "6"
    & skf21("5","3","5","3","3","7","1","1") = "6"
    & skf21("5","3","5","3","3","7","2","1") = "6"
    & skf21("5","3","5","3","3","7","3","1") = "6"
    & skf21("5","3","5","3","3","7","4","1") = "6"
    & skf21("5","3","5","3","3","7","5","1") = "6"
    & skf21("5","3","5","3","3","7","6","1") = "6"
    & skf21("5","3","5","3","3","7","7","1") = "6"
    & skf21("5","3","5","3","4","1","1","1") = "4"
    & skf21("5","3","5","3","4","1","2","1") = "4"
    & skf21("5","3","5","3","4","1","3","1") = "4"
    & skf21("5","3","5","3","4","1","4","1") = "4"
    & skf21("5","3","5","3","4","1","5","1") = "4"
    & skf21("5","3","5","3","4","1","6","1") = "5"
    & skf21("5","3","5","3","4","1","7","1") = "6"
    & skf21("5","3","5","3","4","2","1","1") = "4"
    & skf21("5","3","5","3","4","2","2","1") = "4"
    & skf21("5","3","5","3","4","2","3","1") = "4"
    & skf21("5","3","5","3","4","2","4","1") = "4"
    & skf21("5","3","5","3","4","2","5","1") = "4"
    & skf21("5","3","5","3","4","2","6","1") = "5"
    & skf21("5","3","5","3","4","2","7","1") = "6"
    & skf21("5","3","5","3","4","3","1","1") = "4"
    & skf21("5","3","5","3","4","3","2","1") = "4"
    & skf21("5","3","5","3","4","3","3","1") = "4"
    & skf21("5","3","5","3","4","3","4","1") = "4"
    & skf21("5","3","5","3","4","3","5","1") = "4"
    & skf21("5","3","5","3","4","3","6","1") = "5"
    & skf21("5","3","5","3","4","3","7","1") = "6"
    & skf21("5","3","5","3","4","4","1","1") = "4"
    & skf21("5","3","5","3","4","4","2","1") = "4"
    & skf21("5","3","5","3","4","4","3","1") = "4"
    & skf21("5","3","5","3","4","4","4","1") = "4"
    & skf21("5","3","5","3","4","4","5","1") = "4"
    & skf21("5","3","5","3","4","4","6","1") = "5"
    & skf21("5","3","5","3","4","4","7","1") = "6"
    & skf21("5","3","5","3","4","5","1","1") = "4"
    & skf21("5","3","5","3","4","5","2","1") = "4"
    & skf21("5","3","5","3","4","5","3","1") = "4"
    & skf21("5","3","5","3","4","5","4","1") = "4"
    & skf21("5","3","5","3","4","5","5","1") = "4"
    & skf21("5","3","5","3","4","5","6","1") = "5"
    & skf21("5","3","5","3","4","5","7","1") = "6"
    & skf21("5","3","5","3","4","6","1","1") = "5"
    & skf21("5","3","5","3","4","6","2","1") = "5"
    & skf21("5","3","5","3","4","6","3","1") = "5"
    & skf21("5","3","5","3","4","6","4","1") = "5"
    & skf21("5","3","5","3","4","6","5","1") = "5"
    & skf21("5","3","5","3","4","6","6","1") = "5"
    & skf21("5","3","5","3","4","6","7","1") = "6"
    & skf21("5","3","5","3","4","7","1","1") = "6"
    & skf21("5","3","5","3","4","7","2","1") = "6"
    & skf21("5","3","5","3","4","7","3","1") = "6"
    & skf21("5","3","5","3","4","7","4","1") = "6"
    & skf21("5","3","5","3","4","7","5","1") = "6"
    & skf21("5","3","5","3","4","7","6","1") = "6"
    & skf21("5","3","5","3","4","7","7","1") = "6"
    & skf21("5","3","5","3","5","1","1","1") = "4"
    & skf21("5","3","5","3","5","1","2","1") = "4"
    & skf21("5","3","5","3","5","1","3","1") = "4"
    & skf21("5","3","5","3","5","1","4","1") = "4"
    & skf21("5","3","5","3","5","1","5","1") = "4"
    & skf21("5","3","5","3","5","1","6","1") = "5"
    & skf21("5","3","5","3","5","1","7","1") = "6"
    & skf21("5","3","5","3","5","2","1","1") = "4"
    & skf21("5","3","5","3","5","2","2","1") = "4"
    & skf21("5","3","5","3","5","2","3","1") = "4"
    & skf21("5","3","5","3","5","2","4","1") = "4"
    & skf21("5","3","5","3","5","2","5","1") = "4"
    & skf21("5","3","5","3","5","2","6","1") = "5"
    & skf21("5","3","5","3","5","2","7","1") = "6"
    & skf21("5","3","5","3","5","3","1","1") = "4"
    & skf21("5","3","5","3","5","3","2","1") = "4"
    & skf21("5","3","5","3","5","3","3","1") = "4"
    & skf21("5","3","5","3","5","3","4","1") = "4"
    & skf21("5","3","5","3","5","3","5","1") = "4"
    & skf21("5","3","5","3","5","3","6","1") = "5"
    & skf21("5","3","5","3","5","3","7","1") = "6"
    & skf21("5","3","5","3","5","4","1","1") = "4"
    & skf21("5","3","5","3","5","4","2","1") = "4"
    & skf21("5","3","5","3","5","4","3","1") = "4"
    & skf21("5","3","5","3","5","4","4","1") = "4"
    & skf21("5","3","5","3","5","4","5","1") = "4"
    & skf21("5","3","5","3","5","4","6","1") = "5"
    & skf21("5","3","5","3","5","4","7","1") = "6"
    & skf21("5","3","5","3","5","5","1","1") = "4"
    & skf21("5","3","5","3","5","5","2","1") = "4"
    & skf21("5","3","5","3","5","5","3","1") = "4"
    & skf21("5","3","5","3","5","5","4","1") = "4"
    & skf21("5","3","5","3","5","5","5","1") = "4"
    & skf21("5","3","5","3","5","5","6","1") = "5"
    & skf21("5","3","5","3","5","5","7","1") = "6"
    & skf21("5","3","5","3","5","6","1","1") = "5"
    & skf21("5","3","5","3","5","6","2","1") = "5"
    & skf21("5","3","5","3","5","6","3","1") = "5"
    & skf21("5","3","5","3","5","6","4","1") = "5"
    & skf21("5","3","5","3","5","6","5","1") = "5"
    & skf21("5","3","5","3","5","6","6","1") = "5"
    & skf21("5","3","5","3","5","6","7","1") = "6"
    & skf21("5","3","5","3","5","7","1","1") = "6"
    & skf21("5","3","5","3","5","7","2","1") = "6"
    & skf21("5","3","5","3","5","7","3","1") = "6"
    & skf21("5","3","5","3","5","7","4","1") = "6"
    & skf21("5","3","5","3","5","7","5","1") = "6"
    & skf21("5","3","5","3","5","7","6","1") = "6"
    & skf21("5","3","5","3","5","7","7","1") = "6"
    & skf21("5","3","5","3","6","1","1","1") = "5"
    & skf21("5","3","5","3","6","1","2","1") = "5"
    & skf21("5","3","5","3","6","1","3","1") = "5"
    & skf21("5","3","5","3","6","1","4","1") = "5"
    & skf21("5","3","5","3","6","1","5","1") = "5"
    & skf21("5","3","5","3","6","1","6","1") = "5"
    & skf21("5","3","5","3","6","1","7","1") = "6"
    & skf21("5","3","5","3","6","2","1","1") = "5"
    & skf21("5","3","5","3","6","2","2","1") = "5"
    & skf21("5","3","5","3","6","2","3","1") = "5"
    & skf21("5","3","5","3","6","2","4","1") = "5"
    & skf21("5","3","5","3","6","2","5","1") = "5"
    & skf21("5","3","5","3","6","2","6","1") = "5"
    & skf21("5","3","5","3","6","2","7","1") = "6"
    & skf21("5","3","5","3","6","3","1","1") = "5"
    & skf21("5","3","5","3","6","3","2","1") = "5"
    & skf21("5","3","5","3","6","3","3","1") = "5"
    & skf21("5","3","5","3","6","3","4","1") = "5"
    & skf21("5","3","5","3","6","3","5","1") = "5"
    & skf21("5","3","5","3","6","3","6","1") = "5"
    & skf21("5","3","5","3","6","3","7","1") = "6"
    & skf21("5","3","5","3","6","4","1","1") = "5"
    & skf21("5","3","5","3","6","4","2","1") = "5"
    & skf21("5","3","5","3","6","4","3","1") = "5"
    & skf21("5","3","5","3","6","4","4","1") = "5"
    & skf21("5","3","5","3","6","4","5","1") = "5"
    & skf21("5","3","5","3","6","4","6","1") = "5"
    & skf21("5","3","5","3","6","4","7","1") = "6"
    & skf21("5","3","5","3","6","5","1","1") = "5"
    & skf21("5","3","5","3","6","5","2","1") = "5"
    & skf21("5","3","5","3","6","5","3","1") = "5"
    & skf21("5","3","5","3","6","5","4","1") = "5"
    & skf21("5","3","5","3","6","5","5","1") = "5"
    & skf21("5","3","5","3","6","5","6","1") = "5"
    & skf21("5","3","5","3","6","5","7","1") = "6"
    & skf21("5","3","5","3","6","6","1","1") = "5"
    & skf21("5","3","5","3","6","6","2","1") = "5"
    & skf21("5","3","5","3","6","6","3","1") = "5"
    & skf21("5","3","5","3","6","6","4","1") = "5"
    & skf21("5","3","5","3","6","6","5","1") = "5"
    & skf21("5","3","5","3","6","6","6","1") = "5"
    & skf21("5","3","5","3","6","6","7","1") = "6"
    & skf21("5","3","5","3","6","7","1","1") = "6"
    & skf21("5","3","5","3","6","7","2","1") = "6"
    & skf21("5","3","5","3","6","7","3","1") = "6"
    & skf21("5","3","5","3","6","7","4","1") = "6"
    & skf21("5","3","5","3","6","7","5","1") = "6"
    & skf21("5","3","5","3","6","7","6","1") = "6"
    & skf21("5","3","5","3","6","7","7","1") = "6"
    & skf21("5","3","5","3","7","1","1","1") = "6"
    & skf21("5","3","5","3","7","1","2","1") = "6"
    & skf21("5","3","5","3","7","1","3","1") = "6"
    & skf21("5","3","5","3","7","1","4","1") = "6"
    & skf21("5","3","5","3","7","1","5","1") = "6"
    & skf21("5","3","5","3","7","1","6","1") = "6"
    & skf21("5","3","5","3","7","1","7","1") = "6"
    & skf21("5","3","5","3","7","2","1","1") = "6"
    & skf21("5","3","5","3","7","2","2","1") = "6"
    & skf21("5","3","5","3","7","2","3","1") = "6"
    & skf21("5","3","5","3","7","2","4","1") = "6"
    & skf21("5","3","5","3","7","2","5","1") = "6"
    & skf21("5","3","5","3","7","2","6","1") = "6"
    & skf21("5","3","5","3","7","2","7","1") = "6"
    & skf21("5","3","5","3","7","3","1","1") = "6"
    & skf21("5","3","5","3","7","3","2","1") = "6"
    & skf21("5","3","5","3","7","3","3","1") = "6"
    & skf21("5","3","5","3","7","3","4","1") = "6"
    & skf21("5","3","5","3","7","3","5","1") = "6"
    & skf21("5","3","5","3","7","3","6","1") = "6"
    & skf21("5","3","5","3","7","3","7","1") = "6"
    & skf21("5","3","5","3","7","4","1","1") = "6"
    & skf21("5","3","5","3","7","4","2","1") = "6"
    & skf21("5","3","5","3","7","4","3","1") = "6"
    & skf21("5","3","5","3","7","4","4","1") = "6"
    & skf21("5","3","5","3","7","4","5","1") = "6"
    & skf21("5","3","5","3","7","4","6","1") = "6"
    & skf21("5","3","5","3","7","4","7","1") = "6"
    & skf21("5","3","5","3","7","5","1","1") = "6"
    & skf21("5","3","5","3","7","5","2","1") = "6"
    & skf21("5","3","5","3","7","5","3","1") = "6"
    & skf21("5","3","5","3","7","5","4","1") = "6"
    & skf21("5","3","5","3","7","5","5","1") = "6"
    & skf21("5","3","5","3","7","5","6","1") = "6"
    & skf21("5","3","5","3","7","5","7","1") = "6"
    & skf21("5","3","5","3","7","6","1","1") = "6"
    & skf21("5","3","5","3","7","6","2","1") = "6"
    & skf21("5","3","5","3","7","6","3","1") = "6"
    & skf21("5","3","5","3","7","6","4","1") = "6"
    & skf21("5","3","5","3","7","6","5","1") = "6"
    & skf21("5","3","5","3","7","6","6","1") = "6"
    & skf21("5","3","5","3","7","6","7","1") = "6"
    & skf21("5","3","5","3","7","7","1","1") = "6"
    & skf21("5","3","5","3","7","7","2","1") = "6"
    & skf21("5","3","5","3","7","7","3","1") = "6"
    & skf21("5","3","5","3","7","7","4","1") = "6"
    & skf21("5","3","5","3","7","7","5","1") = "6"
    & skf21("5","3","5","3","7","7","6","1") = "6"
    & skf21("5","3","5","3","7","7","7","1") = "6"
    & skf21("5","3","5","4","1","1","1","1") = "4"
    & skf21("5","3","5","4","1","1","2","1") = "4"
    & skf21("5","3","5","4","1","1","3","1") = "4"
    & skf21("5","3","5","4","1","1","4","1") = "4"
    & skf21("5","3","5","4","1","1","5","1") = "4"
    & skf21("5","3","5","4","1","1","6","1") = "5"
    & skf21("5","3","5","4","1","1","7","1") = "6"
    & skf21("5","3","5","4","1","2","1","1") = "4"
    & skf21("5","3","5","4","1","2","2","1") = "4"
    & skf21("5","3","5","4","1","2","3","1") = "4"
    & skf21("5","3","5","4","1","2","4","1") = "4"
    & skf21("5","3","5","4","1","2","5","1") = "4"
    & skf21("5","3","5","4","1","2","6","1") = "5"
    & skf21("5","3","5","4","1","2","7","1") = "6"
    & skf21("5","3","5","4","1","3","1","1") = "4"
    & skf21("5","3","5","4","1","3","2","1") = "4"
    & skf21("5","3","5","4","1","3","3","1") = "4"
    & skf21("5","3","5","4","1","3","4","1") = "4"
    & skf21("5","3","5","4","1","3","5","1") = "4"
    & skf21("5","3","5","4","1","3","6","1") = "5"
    & skf21("5","3","5","4","1","3","7","1") = "6"
    & skf21("5","3","5","4","1","4","1","1") = "4"
    & skf21("5","3","5","4","1","4","2","1") = "4"
    & skf21("5","3","5","4","1","4","3","1") = "4"
    & skf21("5","3","5","4","1","4","4","1") = "4"
    & skf21("5","3","5","4","1","4","5","1") = "4"
    & skf21("5","3","5","4","1","4","6","1") = "5"
    & skf21("5","3","5","4","1","4","7","1") = "6"
    & skf21("5","3","5","4","1","5","1","1") = "4"
    & skf21("5","3","5","4","1","5","2","1") = "4"
    & skf21("5","3","5","4","1","5","3","1") = "4"
    & skf21("5","3","5","4","1","5","4","1") = "4"
    & skf21("5","3","5","4","1","5","5","1") = "4"
    & skf21("5","3","5","4","1","5","6","1") = "5"
    & skf21("5","3","5","4","1","5","7","1") = "6"
    & skf21("5","3","5","4","1","6","1","1") = "5"
    & skf21("5","3","5","4","1","6","2","1") = "5"
    & skf21("5","3","5","4","1","6","3","1") = "5"
    & skf21("5","3","5","4","1","6","4","1") = "5"
    & skf21("5","3","5","4","1","6","5","1") = "5"
    & skf21("5","3","5","4","1","6","6","1") = "5"
    & skf21("5","3","5","4","1","6","7","1") = "6"
    & skf21("5","3","5","4","1","7","1","1") = "6"
    & skf21("5","3","5","4","1","7","2","1") = "6"
    & skf21("5","3","5","4","1","7","3","1") = "6"
    & skf21("5","3","5","4","1","7","4","1") = "6"
    & skf21("5","3","5","4","1","7","5","1") = "6"
    & skf21("5","3","5","4","1","7","6","1") = "6"
    & skf21("5","3","5","4","1","7","7","1") = "6"
    & skf21("5","3","5","4","2","1","1","1") = "4"
    & skf21("5","3","5","4","2","1","2","1") = "4"
    & skf21("5","3","5","4","2","1","3","1") = "4"
    & skf21("5","3","5","4","2","1","4","1") = "4"
    & skf21("5","3","5","4","2","1","5","1") = "4"
    & skf21("5","3","5","4","2","1","6","1") = "5"
    & skf21("5","3","5","4","2","1","7","1") = "6"
    & skf21("5","3","5","4","2","2","1","1") = "4"
    & skf21("5","3","5","4","2","2","2","1") = "4"
    & skf21("5","3","5","4","2","2","3","1") = "4"
    & skf21("5","3","5","4","2","2","4","1") = "4"
    & skf21("5","3","5","4","2","2","5","1") = "4"
    & skf21("5","3","5","4","2","2","6","1") = "5"
    & skf21("5","3","5","4","2","2","7","1") = "6"
    & skf21("5","3","5","4","2","3","1","1") = "4"
    & skf21("5","3","5","4","2","3","2","1") = "4"
    & skf21("5","3","5","4","2","3","3","1") = "4"
    & skf21("5","3","5","4","2","3","4","1") = "4"
    & skf21("5","3","5","4","2","3","5","1") = "4"
    & skf21("5","3","5","4","2","3","6","1") = "5"
    & skf21("5","3","5","4","2","3","7","1") = "6"
    & skf21("5","3","5","4","2","4","1","1") = "4"
    & skf21("5","3","5","4","2","4","2","1") = "4"
    & skf21("5","3","5","4","2","4","3","1") = "4"
    & skf21("5","3","5","4","2","4","4","1") = "4"
    & skf21("5","3","5","4","2","4","5","1") = "4"
    & skf21("5","3","5","4","2","4","6","1") = "5"
    & skf21("5","3","5","4","2","4","7","1") = "6"
    & skf21("5","3","5","4","2","5","1","1") = "4"
    & skf21("5","3","5","4","2","5","2","1") = "4"
    & skf21("5","3","5","4","2","5","3","1") = "4"
    & skf21("5","3","5","4","2","5","4","1") = "4"
    & skf21("5","3","5","4","2","5","5","1") = "4"
    & skf21("5","3","5","4","2","5","6","1") = "5"
    & skf21("5","3","5","4","2","5","7","1") = "6"
    & skf21("5","3","5","4","2","6","1","1") = "5"
    & skf21("5","3","5","4","2","6","2","1") = "5"
    & skf21("5","3","5","4","2","6","3","1") = "5"
    & skf21("5","3","5","4","2","6","4","1") = "5"
    & skf21("5","3","5","4","2","6","5","1") = "5"
    & skf21("5","3","5","4","2","6","6","1") = "5"
    & skf21("5","3","5","4","2","6","7","1") = "6"
    & skf21("5","3","5","4","2","7","1","1") = "6"
    & skf21("5","3","5","4","2","7","2","1") = "6"
    & skf21("5","3","5","4","2","7","3","1") = "6"
    & skf21("5","3","5","4","2","7","4","1") = "6"
    & skf21("5","3","5","4","2","7","5","1") = "6"
    & skf21("5","3","5","4","2","7","6","1") = "6"
    & skf21("5","3","5","4","2","7","7","1") = "6"
    & skf21("5","3","5","4","3","1","1","1") = "4"
    & skf21("5","3","5","4","3","1","2","1") = "4"
    & skf21("5","3","5","4","3","1","3","1") = "4"
    & skf21("5","3","5","4","3","1","4","1") = "4"
    & skf21("5","3","5","4","3","1","5","1") = "4"
    & skf21("5","3","5","4","3","1","6","1") = "5"
    & skf21("5","3","5","4","3","1","7","1") = "6"
    & skf21("5","3","5","4","3","2","1","1") = "4"
    & skf21("5","3","5","4","3","2","2","1") = "4"
    & skf21("5","3","5","4","3","2","3","1") = "4"
    & skf21("5","3","5","4","3","2","4","1") = "4"
    & skf21("5","3","5","4","3","2","5","1") = "4"
    & skf21("5","3","5","4","3","2","6","1") = "5"
    & skf21("5","3","5","4","3","2","7","1") = "6"
    & skf21("5","3","5","4","3","3","1","1") = "4"
    & skf21("5","3","5","4","3","3","2","1") = "4"
    & skf21("5","3","5","4","3","3","3","1") = "4"
    & skf21("5","3","5","4","3","3","4","1") = "4"
    & skf21("5","3","5","4","3","3","5","1") = "4"
    & skf21("5","3","5","4","3","3","6","1") = "5"
    & skf21("5","3","5","4","3","3","7","1") = "6"
    & skf21("5","3","5","4","3","4","1","1") = "4"
    & skf21("5","3","5","4","3","4","2","1") = "4"
    & skf21("5","3","5","4","3","4","3","1") = "4"
    & skf21("5","3","5","4","3","4","4","1") = "4"
    & skf21("5","3","5","4","3","4","5","1") = "4"
    & skf21("5","3","5","4","3","4","6","1") = "5"
    & skf21("5","3","5","4","3","4","7","1") = "6"
    & skf21("5","3","5","4","3","5","1","1") = "4"
    & skf21("5","3","5","4","3","5","2","1") = "4"
    & skf21("5","3","5","4","3","5","3","1") = "4"
    & skf21("5","3","5","4","3","5","4","1") = "4"
    & skf21("5","3","5","4","3","5","5","1") = "4"
    & skf21("5","3","5","4","3","5","6","1") = "5"
    & skf21("5","3","5","4","3","5","7","1") = "6"
    & skf21("5","3","5","4","3","6","1","1") = "5"
    & skf21("5","3","5","4","3","6","2","1") = "5"
    & skf21("5","3","5","4","3","6","3","1") = "5"
    & skf21("5","3","5","4","3","6","4","1") = "5"
    & skf21("5","3","5","4","3","6","5","1") = "5"
    & skf21("5","3","5","4","3","6","6","1") = "5"
    & skf21("5","3","5","4","3","6","7","1") = "6"
    & skf21("5","3","5","4","3","7","1","1") = "6"
    & skf21("5","3","5","4","3","7","2","1") = "6"
    & skf21("5","3","5","4","3","7","3","1") = "6"
    & skf21("5","3","5","4","3","7","4","1") = "6"
    & skf21("5","3","5","4","3","7","5","1") = "6"
    & skf21("5","3","5","4","3","7","6","1") = "6"
    & skf21("5","3","5","4","3","7","7","1") = "6"
    & skf21("5","3","5","4","4","1","1","1") = "4"
    & skf21("5","3","5","4","4","1","2","1") = "4"
    & skf21("5","3","5","4","4","1","3","1") = "4"
    & skf21("5","3","5","4","4","1","4","1") = "4"
    & skf21("5","3","5","4","4","1","5","1") = "4"
    & skf21("5","3","5","4","4","1","6","1") = "5"
    & skf21("5","3","5","4","4","1","7","1") = "6"
    & skf21("5","3","5","4","4","2","1","1") = "4"
    & skf21("5","3","5","4","4","2","2","1") = "4"
    & skf21("5","3","5","4","4","2","3","1") = "4"
    & skf21("5","3","5","4","4","2","4","1") = "4"
    & skf21("5","3","5","4","4","2","5","1") = "4"
    & skf21("5","3","5","4","4","2","6","1") = "5"
    & skf21("5","3","5","4","4","2","7","1") = "6"
    & skf21("5","3","5","4","4","3","1","1") = "4"
    & skf21("5","3","5","4","4","3","2","1") = "4"
    & skf21("5","3","5","4","4","3","3","1") = "4"
    & skf21("5","3","5","4","4","3","4","1") = "4"
    & skf21("5","3","5","4","4","3","5","1") = "4"
    & skf21("5","3","5","4","4","3","6","1") = "5"
    & skf21("5","3","5","4","4","3","7","1") = "6"
    & skf21("5","3","5","4","4","4","1","1") = "4"
    & skf21("5","3","5","4","4","4","2","1") = "4"
    & skf21("5","3","5","4","4","4","3","1") = "4"
    & skf21("5","3","5","4","4","4","4","1") = "4"
    & skf21("5","3","5","4","4","4","5","1") = "4"
    & skf21("5","3","5","4","4","4","6","1") = "5"
    & skf21("5","3","5","4","4","4","7","1") = "6"
    & skf21("5","3","5","4","4","5","1","1") = "4"
    & skf21("5","3","5","4","4","5","2","1") = "4"
    & skf21("5","3","5","4","4","5","3","1") = "4"
    & skf21("5","3","5","4","4","5","4","1") = "4"
    & skf21("5","3","5","4","4","5","5","1") = "4"
    & skf21("5","3","5","4","4","5","6","1") = "5"
    & skf21("5","3","5","4","4","5","7","1") = "6"
    & skf21("5","3","5","4","4","6","1","1") = "5"
    & skf21("5","3","5","4","4","6","2","1") = "5"
    & skf21("5","3","5","4","4","6","3","1") = "5"
    & skf21("5","3","5","4","4","6","4","1") = "5"
    & skf21("5","3","5","4","4","6","5","1") = "5"
    & skf21("5","3","5","4","4","6","6","1") = "5"
    & skf21("5","3","5","4","4","6","7","1") = "6"
    & skf21("5","3","5","4","4","7","1","1") = "6"
    & skf21("5","3","5","4","4","7","2","1") = "6"
    & skf21("5","3","5","4","4","7","3","1") = "6"
    & skf21("5","3","5","4","4","7","4","1") = "6"
    & skf21("5","3","5","4","4","7","5","1") = "6"
    & skf21("5","3","5","4","4","7","6","1") = "6"
    & skf21("5","3","5","4","4","7","7","1") = "6"
    & skf21("5","3","5","4","5","1","1","1") = "4"
    & skf21("5","3","5","4","5","1","2","1") = "4"
    & skf21("5","3","5","4","5","1","3","1") = "4"
    & skf21("5","3","5","4","5","1","4","1") = "4"
    & skf21("5","3","5","4","5","1","5","1") = "4"
    & skf21("5","3","5","4","5","1","6","1") = "5"
    & skf21("5","3","5","4","5","1","7","1") = "6"
    & skf21("5","3","5","4","5","2","1","1") = "4"
    & skf21("5","3","5","4","5","2","2","1") = "4"
    & skf21("5","3","5","4","5","2","3","1") = "4"
    & skf21("5","3","5","4","5","2","4","1") = "4"
    & skf21("5","3","5","4","5","2","5","1") = "4"
    & skf21("5","3","5","4","5","2","6","1") = "5"
    & skf21("5","3","5","4","5","2","7","1") = "6"
    & skf21("5","3","5","4","5","3","1","1") = "4"
    & skf21("5","3","5","4","5","3","2","1") = "4"
    & skf21("5","3","5","4","5","3","3","1") = "4"
    & skf21("5","3","5","4","5","3","4","1") = "4"
    & skf21("5","3","5","4","5","3","5","1") = "4"
    & skf21("5","3","5","4","5","3","6","1") = "5"
    & skf21("5","3","5","4","5","3","7","1") = "6"
    & skf21("5","3","5","4","5","4","1","1") = "4"
    & skf21("5","3","5","4","5","4","2","1") = "4"
    & skf21("5","3","5","4","5","4","3","1") = "4"
    & skf21("5","3","5","4","5","4","4","1") = "4"
    & skf21("5","3","5","4","5","4","5","1") = "4"
    & skf21("5","3","5","4","5","4","6","1") = "5"
    & skf21("5","3","5","4","5","4","7","1") = "6"
    & skf21("5","3","5","4","5","5","1","1") = "4"
    & skf21("5","3","5","4","5","5","2","1") = "4"
    & skf21("5","3","5","4","5","5","3","1") = "4"
    & skf21("5","3","5","4","5","5","4","1") = "4"
    & skf21("5","3","5","4","5","5","5","1") = "4"
    & skf21("5","3","5","4","5","5","6","1") = "5"
    & skf21("5","3","5","4","5","5","7","1") = "6"
    & skf21("5","3","5","4","5","6","1","1") = "5"
    & skf21("5","3","5","4","5","6","2","1") = "5"
    & skf21("5","3","5","4","5","6","3","1") = "5"
    & skf21("5","3","5","4","5","6","4","1") = "5"
    & skf21("5","3","5","4","5","6","5","1") = "5"
    & skf21("5","3","5","4","5","6","6","1") = "5"
    & skf21("5","3","5","4","5","6","7","1") = "6"
    & skf21("5","3","5","4","5","7","1","1") = "6"
    & skf21("5","3","5","4","5","7","2","1") = "6"
    & skf21("5","3","5","4","5","7","3","1") = "6"
    & skf21("5","3","5","4","5","7","4","1") = "6"
    & skf21("5","3","5","4","5","7","5","1") = "6"
    & skf21("5","3","5","4","5","7","6","1") = "6"
    & skf21("5","3","5","4","5","7","7","1") = "6"
    & skf21("5","3","5","4","6","1","1","1") = "5"
    & skf21("5","3","5","4","6","1","2","1") = "5"
    & skf21("5","3","5","4","6","1","3","1") = "5"
    & skf21("5","3","5","4","6","1","4","1") = "5"
    & skf21("5","3","5","4","6","1","5","1") = "5"
    & skf21("5","3","5","4","6","1","6","1") = "5"
    & skf21("5","3","5","4","6","1","7","1") = "6"
    & skf21("5","3","5","4","6","2","1","1") = "5"
    & skf21("5","3","5","4","6","2","2","1") = "5"
    & skf21("5","3","5","4","6","2","3","1") = "5"
    & skf21("5","3","5","4","6","2","4","1") = "5"
    & skf21("5","3","5","4","6","2","5","1") = "5"
    & skf21("5","3","5","4","6","2","6","1") = "5"
    & skf21("5","3","5","4","6","2","7","1") = "6"
    & skf21("5","3","5","4","6","3","1","1") = "5"
    & skf21("5","3","5","4","6","3","2","1") = "5"
    & skf21("5","3","5","4","6","3","3","1") = "5"
    & skf21("5","3","5","4","6","3","4","1") = "5"
    & skf21("5","3","5","4","6","3","5","1") = "5"
    & skf21("5","3","5","4","6","3","6","1") = "5"
    & skf21("5","3","5","4","6","3","7","1") = "6"
    & skf21("5","3","5","4","6","4","1","1") = "5"
    & skf21("5","3","5","4","6","4","2","1") = "5"
    & skf21("5","3","5","4","6","4","3","1") = "5"
    & skf21("5","3","5","4","6","4","4","1") = "5"
    & skf21("5","3","5","4","6","4","5","1") = "5"
    & skf21("5","3","5","4","6","4","6","1") = "5"
    & skf21("5","3","5","4","6","4","7","1") = "6"
    & skf21("5","3","5","4","6","5","1","1") = "5"
    & skf21("5","3","5","4","6","5","2","1") = "5"
    & skf21("5","3","5","4","6","5","3","1") = "5"
    & skf21("5","3","5","4","6","5","4","1") = "5"
    & skf21("5","3","5","4","6","5","5","1") = "5"
    & skf21("5","3","5","4","6","5","6","1") = "5"
    & skf21("5","3","5","4","6","5","7","1") = "6"
    & skf21("5","3","5","4","6","6","1","1") = "5"
    & skf21("5","3","5","4","6","6","2","1") = "5"
    & skf21("5","3","5","4","6","6","3","1") = "5"
    & skf21("5","3","5","4","6","6","4","1") = "5"
    & skf21("5","3","5","4","6","6","5","1") = "5"
    & skf21("5","3","5","4","6","6","6","1") = "5"
    & skf21("5","3","5","4","6","6","7","1") = "6"
    & skf21("5","3","5","4","6","7","1","1") = "6"
    & skf21("5","3","5","4","6","7","2","1") = "6"
    & skf21("5","3","5","4","6","7","3","1") = "6"
    & skf21("5","3","5","4","6","7","4","1") = "6"
    & skf21("5","3","5","4","6","7","5","1") = "6"
    & skf21("5","3","5","4","6","7","6","1") = "6"
    & skf21("5","3","5","4","6","7","7","1") = "6"
    & skf21("5","3","5","4","7","1","1","1") = "6"
    & skf21("5","3","5","4","7","1","2","1") = "6"
    & skf21("5","3","5","4","7","1","3","1") = "6"
    & skf21("5","3","5","4","7","1","4","1") = "6"
    & skf21("5","3","5","4","7","1","5","1") = "6"
    & skf21("5","3","5","4","7","1","6","1") = "6"
    & skf21("5","3","5","4","7","1","7","1") = "6"
    & skf21("5","3","5","4","7","2","1","1") = "6"
    & skf21("5","3","5","4","7","2","2","1") = "6"
    & skf21("5","3","5","4","7","2","3","1") = "6"
    & skf21("5","3","5","4","7","2","4","1") = "6"
    & skf21("5","3","5","4","7","2","5","1") = "6"
    & skf21("5","3","5","4","7","2","6","1") = "6"
    & skf21("5","3","5","4","7","2","7","1") = "6"
    & skf21("5","3","5","4","7","3","1","1") = "6"
    & skf21("5","3","5","4","7","3","2","1") = "6"
    & skf21("5","3","5","4","7","3","3","1") = "6"
    & skf21("5","3","5","4","7","3","4","1") = "6"
    & skf21("5","3","5","4","7","3","5","1") = "6"
    & skf21("5","3","5","4","7","3","6","1") = "6"
    & skf21("5","3","5","4","7","3","7","1") = "6"
    & skf21("5","3","5","4","7","4","1","1") = "6"
    & skf21("5","3","5","4","7","4","2","1") = "6"
    & skf21("5","3","5","4","7","4","3","1") = "6"
    & skf21("5","3","5","4","7","4","4","1") = "6"
    & skf21("5","3","5","4","7","4","5","1") = "6"
    & skf21("5","3","5","4","7","4","6","1") = "6"
    & skf21("5","3","5","4","7","4","7","1") = "6"
    & skf21("5","3","5","4","7","5","1","1") = "6"
    & skf21("5","3","5","4","7","5","2","1") = "6"
    & skf21("5","3","5","4","7","5","3","1") = "6"
    & skf21("5","3","5","4","7","5","4","1") = "6"
    & skf21("5","3","5","4","7","5","5","1") = "6"
    & skf21("5","3","5","4","7","5","6","1") = "6"
    & skf21("5","3","5","4","7","5","7","1") = "6"
    & skf21("5","3","5","4","7","6","1","1") = "6"
    & skf21("5","3","5","4","7","6","2","1") = "6"
    & skf21("5","3","5","4","7","6","3","1") = "6"
    & skf21("5","3","5","4","7","6","4","1") = "6"
    & skf21("5","3","5","4","7","6","5","1") = "6"
    & skf21("5","3","5","4","7","6","6","1") = "6"
    & skf21("5","3","5","4","7","6","7","1") = "6"
    & skf21("5","3","5","4","7","7","1","1") = "6"
    & skf21("5","3","5","4","7","7","2","1") = "6"
    & skf21("5","3","5","4","7","7","3","1") = "6"
    & skf21("5","3","5","4","7","7","4","1") = "6"
    & skf21("5","3","5","4","7","7","5","1") = "6"
    & skf21("5","3","5","4","7","7","6","1") = "6"
    & skf21("5","3","5","4","7","7","7","1") = "6"
    & skf21("5","3","5","5","1","1","1","1") = "4"
    & skf21("5","3","5","5","1","1","2","1") = "4"
    & skf21("5","3","5","5","1","1","3","1") = "4"
    & skf21("5","3","5","5","1","1","4","1") = "4"
    & skf21("5","3","5","5","1","1","5","1") = "4"
    & skf21("5","3","5","5","1","1","6","1") = "5"
    & skf21("5","3","5","5","1","1","7","1") = "6"
    & skf21("5","3","5","5","1","2","1","1") = "4"
    & skf21("5","3","5","5","1","2","2","1") = "4"
    & skf21("5","3","5","5","1","2","3","1") = "4"
    & skf21("5","3","5","5","1","2","4","1") = "4"
    & skf21("5","3","5","5","1","2","5","1") = "4"
    & skf21("5","3","5","5","1","2","6","1") = "5"
    & skf21("5","3","5","5","1","2","7","1") = "6"
    & skf21("5","3","5","5","1","3","1","1") = "4"
    & skf21("5","3","5","5","1","3","2","1") = "4"
    & skf21("5","3","5","5","1","3","3","1") = "4"
    & skf21("5","3","5","5","1","3","4","1") = "4"
    & skf21("5","3","5","5","1","3","5","1") = "4"
    & skf21("5","3","5","5","1","3","6","1") = "5"
    & skf21("5","3","5","5","1","3","7","1") = "6"
    & skf21("5","3","5","5","1","4","1","1") = "4"
    & skf21("5","3","5","5","1","4","2","1") = "4"
    & skf21("5","3","5","5","1","4","3","1") = "4"
    & skf21("5","3","5","5","1","4","4","1") = "4"
    & skf21("5","3","5","5","1","4","5","1") = "4"
    & skf21("5","3","5","5","1","4","6","1") = "5"
    & skf21("5","3","5","5","1","4","7","1") = "6"
    & skf21("5","3","5","5","1","5","1","1") = "4"
    & skf21("5","3","5","5","1","5","2","1") = "4"
    & skf21("5","3","5","5","1","5","3","1") = "4"
    & skf21("5","3","5","5","1","5","4","1") = "4"
    & skf21("5","3","5","5","1","5","5","1") = "4"
    & skf21("5","3","5","5","1","5","6","1") = "5"
    & skf21("5","3","5","5","1","5","7","1") = "6"
    & skf21("5","3","5","5","1","6","1","1") = "5"
    & skf21("5","3","5","5","1","6","2","1") = "5"
    & skf21("5","3","5","5","1","6","3","1") = "5"
    & skf21("5","3","5","5","1","6","4","1") = "5"
    & skf21("5","3","5","5","1","6","5","1") = "5"
    & skf21("5","3","5","5","1","6","6","1") = "5"
    & skf21("5","3","5","5","1","6","7","1") = "6"
    & skf21("5","3","5","5","1","7","1","1") = "6"
    & skf21("5","3","5","5","1","7","2","1") = "6"
    & skf21("5","3","5","5","1","7","3","1") = "6"
    & skf21("5","3","5","5","1","7","4","1") = "6"
    & skf21("5","3","5","5","1","7","5","1") = "6"
    & skf21("5","3","5","5","1","7","6","1") = "6"
    & skf21("5","3","5","5","1","7","7","1") = "6"
    & skf21("5","3","5","5","2","1","1","1") = "4"
    & skf21("5","3","5","5","2","1","2","1") = "4"
    & skf21("5","3","5","5","2","1","3","1") = "4"
    & skf21("5","3","5","5","2","1","4","1") = "4"
    & skf21("5","3","5","5","2","1","5","1") = "4"
    & skf21("5","3","5","5","2","1","6","1") = "5"
    & skf21("5","3","5","5","2","1","7","1") = "6"
    & skf21("5","3","5","5","2","2","1","1") = "4"
    & skf21("5","3","5","5","2","2","2","1") = "4"
    & skf21("5","3","5","5","2","2","3","1") = "4"
    & skf21("5","3","5","5","2","2","4","1") = "4"
    & skf21("5","3","5","5","2","2","5","1") = "4"
    & skf21("5","3","5","5","2","2","6","1") = "5"
    & skf21("5","3","5","5","2","2","7","1") = "6"
    & skf21("5","3","5","5","2","3","1","1") = "4"
    & skf21("5","3","5","5","2","3","2","1") = "4"
    & skf21("5","3","5","5","2","3","3","1") = "4"
    & skf21("5","3","5","5","2","3","4","1") = "4"
    & skf21("5","3","5","5","2","3","5","1") = "4"
    & skf21("5","3","5","5","2","3","6","1") = "5"
    & skf21("5","3","5","5","2","3","7","1") = "6"
    & skf21("5","3","5","5","2","4","1","1") = "4"
    & skf21("5","3","5","5","2","4","2","1") = "4"
    & skf21("5","3","5","5","2","4","3","1") = "4"
    & skf21("5","3","5","5","2","4","4","1") = "4"
    & skf21("5","3","5","5","2","4","5","1") = "4"
    & skf21("5","3","5","5","2","4","6","1") = "5"
    & skf21("5","3","5","5","2","4","7","1") = "6"
    & skf21("5","3","5","5","2","5","1","1") = "4"
    & skf21("5","3","5","5","2","5","2","1") = "4"
    & skf21("5","3","5","5","2","5","3","1") = "4"
    & skf21("5","3","5","5","2","5","4","1") = "4"
    & skf21("5","3","5","5","2","5","5","1") = "4"
    & skf21("5","3","5","5","2","5","6","1") = "5"
    & skf21("5","3","5","5","2","5","7","1") = "6"
    & skf21("5","3","5","5","2","6","1","1") = "5"
    & skf21("5","3","5","5","2","6","2","1") = "5"
    & skf21("5","3","5","5","2","6","3","1") = "5"
    & skf21("5","3","5","5","2","6","4","1") = "5"
    & skf21("5","3","5","5","2","6","5","1") = "5"
    & skf21("5","3","5","5","2","6","6","1") = "5"
    & skf21("5","3","5","5","2","6","7","1") = "6"
    & skf21("5","3","5","5","2","7","1","1") = "6"
    & skf21("5","3","5","5","2","7","2","1") = "6"
    & skf21("5","3","5","5","2","7","3","1") = "6"
    & skf21("5","3","5","5","2","7","4","1") = "6"
    & skf21("5","3","5","5","2","7","5","1") = "6"
    & skf21("5","3","5","5","2","7","6","1") = "6"
    & skf21("5","3","5","5","2","7","7","1") = "6"
    & skf21("5","3","5","5","3","1","1","1") = "4"
    & skf21("5","3","5","5","3","1","2","1") = "4"
    & skf21("5","3","5","5","3","1","3","1") = "4"
    & skf21("5","3","5","5","3","1","4","1") = "4"
    & skf21("5","3","5","5","3","1","5","1") = "4"
    & skf21("5","3","5","5","3","1","6","1") = "5"
    & skf21("5","3","5","5","3","1","7","1") = "6"
    & skf21("5","3","5","5","3","2","1","1") = "4"
    & skf21("5","3","5","5","3","2","2","1") = "4"
    & skf21("5","3","5","5","3","2","3","1") = "4"
    & skf21("5","3","5","5","3","2","4","1") = "4"
    & skf21("5","3","5","5","3","2","5","1") = "4"
    & skf21("5","3","5","5","3","2","6","1") = "5"
    & skf21("5","3","5","5","3","2","7","1") = "6"
    & skf21("5","3","5","5","3","3","1","1") = "4"
    & skf21("5","3","5","5","3","3","2","1") = "4"
    & skf21("5","3","5","5","3","3","3","1") = "4"
    & skf21("5","3","5","5","3","3","4","1") = "4"
    & skf21("5","3","5","5","3","3","5","1") = "4"
    & skf21("5","3","5","5","3","3","6","1") = "5"
    & skf21("5","3","5","5","3","3","7","1") = "6"
    & skf21("5","3","5","5","3","4","1","1") = "4"
    & skf21("5","3","5","5","3","4","2","1") = "4"
    & skf21("5","3","5","5","3","4","3","1") = "4"
    & skf21("5","3","5","5","3","4","4","1") = "4"
    & skf21("5","3","5","5","3","4","5","1") = "4"
    & skf21("5","3","5","5","3","4","6","1") = "5"
    & skf21("5","3","5","5","3","4","7","1") = "6"
    & skf21("5","3","5","5","3","5","1","1") = "4"
    & skf21("5","3","5","5","3","5","2","1") = "4"
    & skf21("5","3","5","5","3","5","3","1") = "4"
    & skf21("5","3","5","5","3","5","4","1") = "4"
    & skf21("5","3","5","5","3","5","5","1") = "4"
    & skf21("5","3","5","5","3","5","6","1") = "5"
    & skf21("5","3","5","5","3","5","7","1") = "6"
    & skf21("5","3","5","5","3","6","1","1") = "5"
    & skf21("5","3","5","5","3","6","2","1") = "5"
    & skf21("5","3","5","5","3","6","3","1") = "5"
    & skf21("5","3","5","5","3","6","4","1") = "5"
    & skf21("5","3","5","5","3","6","5","1") = "5"
    & skf21("5","3","5","5","3","6","6","1") = "5"
    & skf21("5","3","5","5","3","6","7","1") = "6"
    & skf21("5","3","5","5","3","7","1","1") = "6"
    & skf21("5","3","5","5","3","7","2","1") = "6"
    & skf21("5","3","5","5","3","7","3","1") = "6"
    & skf21("5","3","5","5","3","7","4","1") = "6"
    & skf21("5","3","5","5","3","7","5","1") = "6"
    & skf21("5","3","5","5","3","7","6","1") = "6"
    & skf21("5","3","5","5","3","7","7","1") = "6"
    & skf21("5","3","5","5","4","1","1","1") = "4"
    & skf21("5","3","5","5","4","1","2","1") = "4"
    & skf21("5","3","5","5","4","1","3","1") = "4"
    & skf21("5","3","5","5","4","1","4","1") = "4"
    & skf21("5","3","5","5","4","1","5","1") = "4"
    & skf21("5","3","5","5","4","1","6","1") = "5"
    & skf21("5","3","5","5","4","1","7","1") = "6"
    & skf21("5","3","5","5","4","2","1","1") = "4"
    & skf21("5","3","5","5","4","2","2","1") = "4"
    & skf21("5","3","5","5","4","2","3","1") = "4"
    & skf21("5","3","5","5","4","2","4","1") = "4"
    & skf21("5","3","5","5","4","2","5","1") = "4"
    & skf21("5","3","5","5","4","2","6","1") = "5"
    & skf21("5","3","5","5","4","2","7","1") = "6"
    & skf21("5","3","5","5","4","3","1","1") = "4"
    & skf21("5","3","5","5","4","3","2","1") = "4"
    & skf21("5","3","5","5","4","3","3","1") = "4"
    & skf21("5","3","5","5","4","3","4","1") = "4"
    & skf21("5","3","5","5","4","3","5","1") = "4"
    & skf21("5","3","5","5","4","3","6","1") = "5"
    & skf21("5","3","5","5","4","3","7","1") = "6"
    & skf21("5","3","5","5","4","4","1","1") = "4"
    & skf21("5","3","5","5","4","4","2","1") = "4"
    & skf21("5","3","5","5","4","4","3","1") = "4"
    & skf21("5","3","5","5","4","4","4","1") = "4"
    & skf21("5","3","5","5","4","4","5","1") = "4"
    & skf21("5","3","5","5","4","4","6","1") = "5"
    & skf21("5","3","5","5","4","4","7","1") = "6"
    & skf21("5","3","5","5","4","5","1","1") = "4"
    & skf21("5","3","5","5","4","5","2","1") = "4"
    & skf21("5","3","5","5","4","5","3","1") = "4"
    & skf21("5","3","5","5","4","5","4","1") = "4"
    & skf21("5","3","5","5","4","5","5","1") = "4"
    & skf21("5","3","5","5","4","5","6","1") = "5"
    & skf21("5","3","5","5","4","5","7","1") = "6"
    & skf21("5","3","5","5","4","6","1","1") = "5"
    & skf21("5","3","5","5","4","6","2","1") = "5"
    & skf21("5","3","5","5","4","6","3","1") = "5"
    & skf21("5","3","5","5","4","6","4","1") = "5"
    & skf21("5","3","5","5","4","6","5","1") = "5"
    & skf21("5","3","5","5","4","6","6","1") = "5"
    & skf21("5","3","5","5","4","6","7","1") = "6"
    & skf21("5","3","5","5","4","7","1","1") = "6"
    & skf21("5","3","5","5","4","7","2","1") = "6"
    & skf21("5","3","5","5","4","7","3","1") = "6"
    & skf21("5","3","5","5","4","7","4","1") = "6"
    & skf21("5","3","5","5","4","7","5","1") = "6"
    & skf21("5","3","5","5","4","7","6","1") = "6"
    & skf21("5","3","5","5","4","7","7","1") = "6"
    & skf21("5","3","5","5","5","1","1","1") = "4"
    & skf21("5","3","5","5","5","1","2","1") = "4"
    & skf21("5","3","5","5","5","1","3","1") = "4"
    & skf21("5","3","5","5","5","1","4","1") = "4"
    & skf21("5","3","5","5","5","1","5","1") = "4"
    & skf21("5","3","5","5","5","1","6","1") = "5"
    & skf21("5","3","5","5","5","1","7","1") = "6"
    & skf21("5","3","5","5","5","2","1","1") = "4"
    & skf21("5","3","5","5","5","2","2","1") = "4"
    & skf21("5","3","5","5","5","2","3","1") = "4"
    & skf21("5","3","5","5","5","2","4","1") = "4"
    & skf21("5","3","5","5","5","2","5","1") = "4"
    & skf21("5","3","5","5","5","2","6","1") = "5"
    & skf21("5","3","5","5","5","2","7","1") = "6"
    & skf21("5","3","5","5","5","3","1","1") = "4"
    & skf21("5","3","5","5","5","3","2","1") = "4"
    & skf21("5","3","5","5","5","3","3","1") = "4"
    & skf21("5","3","5","5","5","3","4","1") = "4"
    & skf21("5","3","5","5","5","3","5","1") = "4"
    & skf21("5","3","5","5","5","3","6","1") = "5"
    & skf21("5","3","5","5","5","3","7","1") = "6"
    & skf21("5","3","5","5","5","4","1","1") = "4"
    & skf21("5","3","5","5","5","4","2","1") = "4"
    & skf21("5","3","5","5","5","4","3","1") = "4"
    & skf21("5","3","5","5","5","4","4","1") = "4"
    & skf21("5","3","5","5","5","4","5","1") = "4"
    & skf21("5","3","5","5","5","4","6","1") = "5"
    & skf21("5","3","5","5","5","4","7","1") = "6"
    & skf21("5","3","5","5","5","5","1","1") = "4"
    & skf21("5","3","5","5","5","5","2","1") = "4"
    & skf21("5","3","5","5","5","5","3","1") = "4"
    & skf21("5","3","5","5","5","5","4","1") = "4"
    & skf21("5","3","5","5","5","5","5","1") = "4"
    & skf21("5","3","5","5","5","5","6","1") = "5"
    & skf21("5","3","5","5","5","5","7","1") = "6"
    & skf21("5","3","5","5","5","6","1","1") = "5"
    & skf21("5","3","5","5","5","6","2","1") = "5"
    & skf21("5","3","5","5","5","6","3","1") = "5"
    & skf21("5","3","5","5","5","6","4","1") = "5"
    & skf21("5","3","5","5","5","6","5","1") = "5"
    & skf21("5","3","5","5","5","6","6","1") = "5"
    & skf21("5","3","5","5","5","6","7","1") = "6"
    & skf21("5","3","5","5","5","7","1","1") = "6"
    & skf21("5","3","5","5","5","7","2","1") = "6"
    & skf21("5","3","5","5","5","7","3","1") = "6"
    & skf21("5","3","5","5","5","7","4","1") = "6"
    & skf21("5","3","5","5","5","7","5","1") = "6"
    & skf21("5","3","5","5","5","7","6","1") = "6"
    & skf21("5","3","5","5","5","7","7","1") = "6"
    & skf21("5","3","5","5","6","1","1","1") = "5"
    & skf21("5","3","5","5","6","1","2","1") = "5"
    & skf21("5","3","5","5","6","1","3","1") = "5"
    & skf21("5","3","5","5","6","1","4","1") = "5"
    & skf21("5","3","5","5","6","1","5","1") = "5"
    & skf21("5","3","5","5","6","1","6","1") = "5"
    & skf21("5","3","5","5","6","1","7","1") = "6"
    & skf21("5","3","5","5","6","2","1","1") = "5"
    & skf21("5","3","5","5","6","2","2","1") = "5"
    & skf21("5","3","5","5","6","2","3","1") = "5"
    & skf21("5","3","5","5","6","2","4","1") = "5"
    & skf21("5","3","5","5","6","2","5","1") = "5"
    & skf21("5","3","5","5","6","2","6","1") = "5"
    & skf21("5","3","5","5","6","2","7","1") = "6"
    & skf21("5","3","5","5","6","3","1","1") = "5"
    & skf21("5","3","5","5","6","3","2","1") = "5"
    & skf21("5","3","5","5","6","3","3","1") = "5"
    & skf21("5","3","5","5","6","3","4","1") = "5"
    & skf21("5","3","5","5","6","3","5","1") = "5"
    & skf21("5","3","5","5","6","3","6","1") = "5"
    & skf21("5","3","5","5","6","3","7","1") = "6"
    & skf21("5","3","5","5","6","4","1","1") = "5"
    & skf21("5","3","5","5","6","4","2","1") = "5"
    & skf21("5","3","5","5","6","4","3","1") = "5"
    & skf21("5","3","5","5","6","4","4","1") = "5"
    & skf21("5","3","5","5","6","4","5","1") = "5"
    & skf21("5","3","5","5","6","4","6","1") = "5"
    & skf21("5","3","5","5","6","4","7","1") = "6"
    & skf21("5","3","5","5","6","5","1","1") = "5"
    & skf21("5","3","5","5","6","5","2","1") = "5"
    & skf21("5","3","5","5","6","5","3","1") = "5"
    & skf21("5","3","5","5","6","5","4","1") = "5"
    & skf21("5","3","5","5","6","5","5","1") = "5"
    & skf21("5","3","5","5","6","5","6","1") = "5"
    & skf21("5","3","5","5","6","5","7","1") = "6"
    & skf21("5","3","5","5","6","6","1","1") = "5"
    & skf21("5","3","5","5","6","6","2","1") = "5"
    & skf21("5","3","5","5","6","6","3","1") = "5"
    & skf21("5","3","5","5","6","6","4","1") = "5"
    & skf21("5","3","5","5","6","6","5","1") = "5"
    & skf21("5","3","5","5","6","6","6","1") = "5"
    & skf21("5","3","5","5","6","6","7","1") = "6"
    & skf21("5","3","5","5","6","7","1","1") = "6"
    & skf21("5","3","5","5","6","7","2","1") = "6"
    & skf21("5","3","5","5","6","7","3","1") = "6"
    & skf21("5","3","5","5","6","7","4","1") = "6"
    & skf21("5","3","5","5","6","7","5","1") = "6"
    & skf21("5","3","5","5","6","7","6","1") = "6"
    & skf21("5","3","5","5","6","7","7","1") = "6"
    & skf21("5","3","5","5","7","1","1","1") = "6"
    & skf21("5","3","5","5","7","1","2","1") = "6"
    & skf21("5","3","5","5","7","1","3","1") = "6"
    & skf21("5","3","5","5","7","1","4","1") = "6"
    & skf21("5","3","5","5","7","1","5","1") = "6"
    & skf21("5","3","5","5","7","1","6","1") = "6"
    & skf21("5","3","5","5","7","1","7","1") = "6"
    & skf21("5","3","5","5","7","2","1","1") = "6"
    & skf21("5","3","5","5","7","2","2","1") = "6"
    & skf21("5","3","5","5","7","2","3","1") = "6"
    & skf21("5","3","5","5","7","2","4","1") = "6"
    & skf21("5","3","5","5","7","2","5","1") = "6"
    & skf21("5","3","5","5","7","2","6","1") = "6"
    & skf21("5","3","5","5","7","2","7","1") = "6"
    & skf21("5","3","5","5","7","3","1","1") = "6"
    & skf21("5","3","5","5","7","3","2","1") = "6"
    & skf21("5","3","5","5","7","3","3","1") = "6"
    & skf21("5","3","5","5","7","3","4","1") = "6"
    & skf21("5","3","5","5","7","3","5","1") = "6"
    & skf21("5","3","5","5","7","3","6","1") = "6"
    & skf21("5","3","5","5","7","3","7","1") = "6"
    & skf21("5","3","5","5","7","4","1","1") = "6"
    & skf21("5","3","5","5","7","4","2","1") = "6"
    & skf21("5","3","5","5","7","4","3","1") = "6"
    & skf21("5","3","5","5","7","4","4","1") = "6"
    & skf21("5","3","5","5","7","4","5","1") = "6"
    & skf21("5","3","5","5","7","4","6","1") = "6"
    & skf21("5","3","5","5","7","4","7","1") = "6"
    & skf21("5","3","5","5","7","5","1","1") = "6"
    & skf21("5","3","5","5","7","5","2","1") = "6"
    & skf21("5","3","5","5","7","5","3","1") = "6"
    & skf21("5","3","5","5","7","5","4","1") = "6"
    & skf21("5","3","5","5","7","5","5","1") = "6"
    & skf21("5","3","5","5","7","5","6","1") = "6"
    & skf21("5","3","5","5","7","5","7","1") = "6"
    & skf21("5","3","5","5","7","6","1","1") = "6"
    & skf21("5","3","5","5","7","6","2","1") = "6"
    & skf21("5","3","5","5","7","6","3","1") = "6"
    & skf21("5","3","5","5","7","6","4","1") = "6"
    & skf21("5","3","5","5","7","6","5","1") = "6"
    & skf21("5","3","5","5","7","6","6","1") = "6"
    & skf21("5","3","5","5","7","6","7","1") = "6"
    & skf21("5","3","5","5","7","7","1","1") = "6"
    & skf21("5","3","5","5","7","7","2","1") = "6"
    & skf21("5","3","5","5","7","7","3","1") = "6"
    & skf21("5","3","5","5","7","7","4","1") = "6"
    & skf21("5","3","5","5","7","7","5","1") = "6"
    & skf21("5","3","5","5","7","7","6","1") = "6"
    & skf21("5","3","5","5","7","7","7","1") = "6"
    & skf21("5","3","5","6","1","1","1","1") = "5"
    & skf21("5","3","5","6","1","1","2","1") = "5"
    & skf21("5","3","5","6","1","1","3","1") = "5"
    & skf21("5","3","5","6","1","1","4","1") = "5"
    & skf21("5","3","5","6","1","1","5","1") = "5"
    & skf21("5","3","5","6","1","1","6","1") = "5"
    & skf21("5","3","5","6","1","1","7","1") = "6"
    & skf21("5","3","5","6","1","2","1","1") = "5"
    & skf21("5","3","5","6","1","2","2","1") = "5"
    & skf21("5","3","5","6","1","2","3","1") = "5"
    & skf21("5","3","5","6","1","2","4","1") = "5"
    & skf21("5","3","5","6","1","2","5","1") = "5"
    & skf21("5","3","5","6","1","2","6","1") = "5"
    & skf21("5","3","5","6","1","2","7","1") = "6"
    & skf21("5","3","5","6","1","3","1","1") = "5"
    & skf21("5","3","5","6","1","3","2","1") = "5"
    & skf21("5","3","5","6","1","3","3","1") = "5"
    & skf21("5","3","5","6","1","3","4","1") = "5"
    & skf21("5","3","5","6","1","3","5","1") = "5"
    & skf21("5","3","5","6","1","3","6","1") = "5"
    & skf21("5","3","5","6","1","3","7","1") = "6"
    & skf21("5","3","5","6","1","4","1","1") = "5"
    & skf21("5","3","5","6","1","4","2","1") = "5"
    & skf21("5","3","5","6","1","4","3","1") = "5"
    & skf21("5","3","5","6","1","4","4","1") = "5"
    & skf21("5","3","5","6","1","4","5","1") = "5"
    & skf21("5","3","5","6","1","4","6","1") = "5"
    & skf21("5","3","5","6","1","4","7","1") = "6"
    & skf21("5","3","5","6","1","5","1","1") = "5"
    & skf21("5","3","5","6","1","5","2","1") = "5"
    & skf21("5","3","5","6","1","5","3","1") = "5"
    & skf21("5","3","5","6","1","5","4","1") = "5"
    & skf21("5","3","5","6","1","5","5","1") = "5"
    & skf21("5","3","5","6","1","5","6","1") = "5"
    & skf21("5","3","5","6","1","5","7","1") = "6"
    & skf21("5","3","5","6","1","6","1","1") = "5"
    & skf21("5","3","5","6","1","6","2","1") = "5"
    & skf21("5","3","5","6","1","6","3","1") = "5"
    & skf21("5","3","5","6","1","6","4","1") = "5"
    & skf21("5","3","5","6","1","6","5","1") = "5"
    & skf21("5","3","5","6","1","6","6","1") = "5"
    & skf21("5","3","5","6","1","6","7","1") = "6"
    & skf21("5","3","5","6","1","7","1","1") = "6"
    & skf21("5","3","5","6","1","7","2","1") = "6"
    & skf21("5","3","5","6","1","7","3","1") = "6"
    & skf21("5","3","5","6","1","7","4","1") = "6"
    & skf21("5","3","5","6","1","7","5","1") = "6"
    & skf21("5","3","5","6","1","7","6","1") = "6"
    & skf21("5","3","5","6","1","7","7","1") = "6"
    & skf21("5","3","5","6","2","1","1","1") = "5"
    & skf21("5","3","5","6","2","1","2","1") = "5"
    & skf21("5","3","5","6","2","1","3","1") = "5"
    & skf21("5","3","5","6","2","1","4","1") = "5"
    & skf21("5","3","5","6","2","1","5","1") = "5"
    & skf21("5","3","5","6","2","1","6","1") = "5"
    & skf21("5","3","5","6","2","1","7","1") = "6"
    & skf21("5","3","5","6","2","2","1","1") = "5"
    & skf21("5","3","5","6","2","2","2","1") = "5"
    & skf21("5","3","5","6","2","2","3","1") = "5"
    & skf21("5","3","5","6","2","2","4","1") = "5"
    & skf21("5","3","5","6","2","2","5","1") = "5"
    & skf21("5","3","5","6","2","2","6","1") = "5"
    & skf21("5","3","5","6","2","2","7","1") = "6"
    & skf21("5","3","5","6","2","3","1","1") = "5"
    & skf21("5","3","5","6","2","3","2","1") = "5"
    & skf21("5","3","5","6","2","3","3","1") = "5"
    & skf21("5","3","5","6","2","3","4","1") = "5"
    & skf21("5","3","5","6","2","3","5","1") = "5"
    & skf21("5","3","5","6","2","3","6","1") = "5"
    & skf21("5","3","5","6","2","3","7","1") = "6"
    & skf21("5","3","5","6","2","4","1","1") = "5"
    & skf21("5","3","5","6","2","4","2","1") = "5"
    & skf21("5","3","5","6","2","4","3","1") = "5"
    & skf21("5","3","5","6","2","4","4","1") = "5"
    & skf21("5","3","5","6","2","4","5","1") = "5"
    & skf21("5","3","5","6","2","4","6","1") = "5"
    & skf21("5","3","5","6","2","4","7","1") = "6"
    & skf21("5","3","5","6","2","5","1","1") = "5"
    & skf21("5","3","5","6","2","5","2","1") = "5"
    & skf21("5","3","5","6","2","5","3","1") = "5"
    & skf21("5","3","5","6","2","5","4","1") = "5"
    & skf21("5","3","5","6","2","5","5","1") = "5"
    & skf21("5","3","5","6","2","5","6","1") = "5"
    & skf21("5","3","5","6","2","5","7","1") = "6"
    & skf21("5","3","5","6","2","6","1","1") = "5"
    & skf21("5","3","5","6","2","6","2","1") = "5"
    & skf21("5","3","5","6","2","6","3","1") = "5"
    & skf21("5","3","5","6","2","6","4","1") = "5"
    & skf21("5","3","5","6","2","6","5","1") = "5"
    & skf21("5","3","5","6","2","6","6","1") = "5"
    & skf21("5","3","5","6","2","6","7","1") = "6"
    & skf21("5","3","5","6","2","7","1","1") = "6"
    & skf21("5","3","5","6","2","7","2","1") = "6"
    & skf21("5","3","5","6","2","7","3","1") = "6"
    & skf21("5","3","5","6","2","7","4","1") = "6"
    & skf21("5","3","5","6","2","7","5","1") = "6"
    & skf21("5","3","5","6","2","7","6","1") = "6"
    & skf21("5","3","5","6","2","7","7","1") = "6"
    & skf21("5","3","5","6","3","1","1","1") = "5"
    & skf21("5","3","5","6","3","1","2","1") = "5"
    & skf21("5","3","5","6","3","1","3","1") = "5"
    & skf21("5","3","5","6","3","1","4","1") = "5"
    & skf21("5","3","5","6","3","1","5","1") = "5"
    & skf21("5","3","5","6","3","1","6","1") = "5"
    & skf21("5","3","5","6","3","1","7","1") = "6"
    & skf21("5","3","5","6","3","2","1","1") = "5"
    & skf21("5","3","5","6","3","2","2","1") = "5"
    & skf21("5","3","5","6","3","2","3","1") = "5"
    & skf21("5","3","5","6","3","2","4","1") = "5"
    & skf21("5","3","5","6","3","2","5","1") = "5"
    & skf21("5","3","5","6","3","2","6","1") = "5"
    & skf21("5","3","5","6","3","2","7","1") = "6"
    & skf21("5","3","5","6","3","3","1","1") = "5"
    & skf21("5","3","5","6","3","3","2","1") = "5"
    & skf21("5","3","5","6","3","3","3","1") = "5"
    & skf21("5","3","5","6","3","3","4","1") = "5"
    & skf21("5","3","5","6","3","3","5","1") = "5"
    & skf21("5","3","5","6","3","3","6","1") = "5"
    & skf21("5","3","5","6","3","3","7","1") = "6"
    & skf21("5","3","5","6","3","4","1","1") = "5"
    & skf21("5","3","5","6","3","4","2","1") = "5"
    & skf21("5","3","5","6","3","4","3","1") = "5"
    & skf21("5","3","5","6","3","4","4","1") = "5"
    & skf21("5","3","5","6","3","4","5","1") = "5"
    & skf21("5","3","5","6","3","4","6","1") = "5"
    & skf21("5","3","5","6","3","4","7","1") = "6"
    & skf21("5","3","5","6","3","5","1","1") = "5"
    & skf21("5","3","5","6","3","5","2","1") = "5"
    & skf21("5","3","5","6","3","5","3","1") = "5"
    & skf21("5","3","5","6","3","5","4","1") = "5"
    & skf21("5","3","5","6","3","5","5","1") = "5"
    & skf21("5","3","5","6","3","5","6","1") = "5"
    & skf21("5","3","5","6","3","5","7","1") = "6"
    & skf21("5","3","5","6","3","6","1","1") = "5"
    & skf21("5","3","5","6","3","6","2","1") = "5"
    & skf21("5","3","5","6","3","6","3","1") = "5"
    & skf21("5","3","5","6","3","6","4","1") = "5"
    & skf21("5","3","5","6","3","6","5","1") = "5"
    & skf21("5","3","5","6","3","6","6","1") = "5"
    & skf21("5","3","5","6","3","6","7","1") = "6"
    & skf21("5","3","5","6","3","7","1","1") = "6"
    & skf21("5","3","5","6","3","7","2","1") = "6"
    & skf21("5","3","5","6","3","7","3","1") = "6"
    & skf21("5","3","5","6","3","7","4","1") = "6"
    & skf21("5","3","5","6","3","7","5","1") = "6"
    & skf21("5","3","5","6","3","7","6","1") = "6"
    & skf21("5","3","5","6","3","7","7","1") = "6"
    & skf21("5","3","5","6","4","1","1","1") = "5"
    & skf21("5","3","5","6","4","1","2","1") = "5"
    & skf21("5","3","5","6","4","1","3","1") = "5"
    & skf21("5","3","5","6","4","1","4","1") = "5"
    & skf21("5","3","5","6","4","1","5","1") = "5"
    & skf21("5","3","5","6","4","1","6","1") = "5"
    & skf21("5","3","5","6","4","1","7","1") = "6"
    & skf21("5","3","5","6","4","2","1","1") = "5"
    & skf21("5","3","5","6","4","2","2","1") = "5"
    & skf21("5","3","5","6","4","2","3","1") = "5"
    & skf21("5","3","5","6","4","2","4","1") = "5"
    & skf21("5","3","5","6","4","2","5","1") = "5"
    & skf21("5","3","5","6","4","2","6","1") = "5"
    & skf21("5","3","5","6","4","2","7","1") = "6"
    & skf21("5","3","5","6","4","3","1","1") = "5"
    & skf21("5","3","5","6","4","3","2","1") = "5"
    & skf21("5","3","5","6","4","3","3","1") = "5"
    & skf21("5","3","5","6","4","3","4","1") = "5"
    & skf21("5","3","5","6","4","3","5","1") = "5"
    & skf21("5","3","5","6","4","3","6","1") = "5"
    & skf21("5","3","5","6","4","3","7","1") = "6"
    & skf21("5","3","5","6","4","4","1","1") = "5"
    & skf21("5","3","5","6","4","4","2","1") = "5"
    & skf21("5","3","5","6","4","4","3","1") = "5"
    & skf21("5","3","5","6","4","4","4","1") = "5"
    & skf21("5","3","5","6","4","4","5","1") = "5"
    & skf21("5","3","5","6","4","4","6","1") = "5"
    & skf21("5","3","5","6","4","4","7","1") = "6"
    & skf21("5","3","5","6","4","5","1","1") = "5"
    & skf21("5","3","5","6","4","5","2","1") = "5"
    & skf21("5","3","5","6","4","5","3","1") = "5"
    & skf21("5","3","5","6","4","5","4","1") = "5"
    & skf21("5","3","5","6","4","5","5","1") = "5"
    & skf21("5","3","5","6","4","5","6","1") = "5"
    & skf21("5","3","5","6","4","5","7","1") = "6"
    & skf21("5","3","5","6","4","6","1","1") = "5"
    & skf21("5","3","5","6","4","6","2","1") = "5"
    & skf21("5","3","5","6","4","6","3","1") = "5"
    & skf21("5","3","5","6","4","6","4","1") = "5"
    & skf21("5","3","5","6","4","6","5","1") = "5"
    & skf21("5","3","5","6","4","6","6","1") = "5"
    & skf21("5","3","5","6","4","6","7","1") = "6"
    & skf21("5","3","5","6","4","7","1","1") = "6"
    & skf21("5","3","5","6","4","7","2","1") = "6"
    & skf21("5","3","5","6","4","7","3","1") = "6"
    & skf21("5","3","5","6","4","7","4","1") = "6"
    & skf21("5","3","5","6","4","7","5","1") = "6"
    & skf21("5","3","5","6","4","7","6","1") = "6"
    & skf21("5","3","5","6","4","7","7","1") = "6"
    & skf21("5","3","5","6","5","1","1","1") = "5"
    & skf21("5","3","5","6","5","1","2","1") = "5"
    & skf21("5","3","5","6","5","1","3","1") = "5"
    & skf21("5","3","5","6","5","1","4","1") = "5"
    & skf21("5","3","5","6","5","1","5","1") = "5"
    & skf21("5","3","5","6","5","1","6","1") = "5"
    & skf21("5","3","5","6","5","1","7","1") = "6"
    & skf21("5","3","5","6","5","2","1","1") = "5"
    & skf21("5","3","5","6","5","2","2","1") = "5"
    & skf21("5","3","5","6","5","2","3","1") = "5"
    & skf21("5","3","5","6","5","2","4","1") = "5"
    & skf21("5","3","5","6","5","2","5","1") = "5"
    & skf21("5","3","5","6","5","2","6","1") = "5"
    & skf21("5","3","5","6","5","2","7","1") = "6"
    & skf21("5","3","5","6","5","3","1","1") = "5"
    & skf21("5","3","5","6","5","3","2","1") = "5"
    & skf21("5","3","5","6","5","3","3","1") = "5"
    & skf21("5","3","5","6","5","3","4","1") = "5"
    & skf21("5","3","5","6","5","3","5","1") = "5"
    & skf21("5","3","5","6","5","3","6","1") = "5"
    & skf21("5","3","5","6","5","3","7","1") = "6"
    & skf21("5","3","5","6","5","4","1","1") = "5"
    & skf21("5","3","5","6","5","4","2","1") = "5"
    & skf21("5","3","5","6","5","4","3","1") = "5"
    & skf21("5","3","5","6","5","4","4","1") = "5"
    & skf21("5","3","5","6","5","4","5","1") = "5"
    & skf21("5","3","5","6","5","4","6","1") = "5"
    & skf21("5","3","5","6","5","4","7","1") = "6"
    & skf21("5","3","5","6","5","5","1","1") = "5"
    & skf21("5","3","5","6","5","5","2","1") = "5"
    & skf21("5","3","5","6","5","5","3","1") = "5"
    & skf21("5","3","5","6","5","5","4","1") = "5"
    & skf21("5","3","5","6","5","5","5","1") = "5"
    & skf21("5","3","5","6","5","5","6","1") = "5"
    & skf21("5","3","5","6","5","5","7","1") = "6"
    & skf21("5","3","5","6","5","6","1","1") = "5"
    & skf21("5","3","5","6","5","6","2","1") = "5"
    & skf21("5","3","5","6","5","6","3","1") = "5"
    & skf21("5","3","5","6","5","6","4","1") = "5"
    & skf21("5","3","5","6","5","6","5","1") = "5"
    & skf21("5","3","5","6","5","6","6","1") = "5"
    & skf21("5","3","5","6","5","6","7","1") = "6"
    & skf21("5","3","5","6","5","7","1","1") = "6"
    & skf21("5","3","5","6","5","7","2","1") = "6"
    & skf21("5","3","5","6","5","7","3","1") = "6"
    & skf21("5","3","5","6","5","7","4","1") = "6"
    & skf21("5","3","5","6","5","7","5","1") = "6"
    & skf21("5","3","5","6","5","7","6","1") = "6"
    & skf21("5","3","5","6","5","7","7","1") = "6"
    & skf21("5","3","5","6","6","1","1","1") = "5"
    & skf21("5","3","5","6","6","1","2","1") = "5"
    & skf21("5","3","5","6","6","1","3","1") = "5"
    & skf21("5","3","5","6","6","1","4","1") = "5"
    & skf21("5","3","5","6","6","1","5","1") = "5"
    & skf21("5","3","5","6","6","1","6","1") = "5"
    & skf21("5","3","5","6","6","1","7","1") = "6"
    & skf21("5","3","5","6","6","2","1","1") = "5"
    & skf21("5","3","5","6","6","2","2","1") = "5"
    & skf21("5","3","5","6","6","2","3","1") = "5"
    & skf21("5","3","5","6","6","2","4","1") = "5"
    & skf21("5","3","5","6","6","2","5","1") = "5"
    & skf21("5","3","5","6","6","2","6","1") = "5"
    & skf21("5","3","5","6","6","2","7","1") = "6"
    & skf21("5","3","5","6","6","3","1","1") = "5"
    & skf21("5","3","5","6","6","3","2","1") = "5"
    & skf21("5","3","5","6","6","3","3","1") = "5"
    & skf21("5","3","5","6","6","3","4","1") = "5"
    & skf21("5","3","5","6","6","3","5","1") = "5"
    & skf21("5","3","5","6","6","3","6","1") = "5"
    & skf21("5","3","5","6","6","3","7","1") = "6"
    & skf21("5","3","5","6","6","4","1","1") = "5"
    & skf21("5","3","5","6","6","4","2","1") = "5"
    & skf21("5","3","5","6","6","4","3","1") = "5"
    & skf21("5","3","5","6","6","4","4","1") = "5"
    & skf21("5","3","5","6","6","4","5","1") = "5"
    & skf21("5","3","5","6","6","4","6","1") = "5"
    & skf21("5","3","5","6","6","4","7","1") = "6"
    & skf21("5","3","5","6","6","5","1","1") = "5"
    & skf21("5","3","5","6","6","5","2","1") = "5"
    & skf21("5","3","5","6","6","5","3","1") = "5"
    & skf21("5","3","5","6","6","5","4","1") = "5"
    & skf21("5","3","5","6","6","5","5","1") = "5"
    & skf21("5","3","5","6","6","5","6","1") = "5"
    & skf21("5","3","5","6","6","5","7","1") = "6"
    & skf21("5","3","5","6","6","6","1","1") = "5"
    & skf21("5","3","5","6","6","6","2","1") = "5"
    & skf21("5","3","5","6","6","6","3","1") = "5"
    & skf21("5","3","5","6","6","6","4","1") = "5"
    & skf21("5","3","5","6","6","6","5","1") = "5"
    & skf21("5","3","5","6","6","6","6","1") = "5"
    & skf21("5","3","5","6","6","6","7","1") = "6"
    & skf21("5","3","5","6","6","7","1","1") = "6"
    & skf21("5","3","5","6","6","7","2","1") = "6"
    & skf21("5","3","5","6","6","7","3","1") = "6"
    & skf21("5","3","5","6","6","7","4","1") = "6"
    & skf21("5","3","5","6","6","7","5","1") = "6"
    & skf21("5","3","5","6","6","7","6","1") = "6"
    & skf21("5","3","5","6","6","7","7","1") = "6"
    & skf21("5","3","5","6","7","1","1","1") = "6"
    & skf21("5","3","5","6","7","1","2","1") = "6"
    & skf21("5","3","5","6","7","1","3","1") = "6"
    & skf21("5","3","5","6","7","1","4","1") = "6"
    & skf21("5","3","5","6","7","1","5","1") = "6"
    & skf21("5","3","5","6","7","1","6","1") = "6"
    & skf21("5","3","5","6","7","1","7","1") = "6"
    & skf21("5","3","5","6","7","2","1","1") = "6"
    & skf21("5","3","5","6","7","2","2","1") = "6"
    & skf21("5","3","5","6","7","2","3","1") = "6"
    & skf21("5","3","5","6","7","2","4","1") = "6"
    & skf21("5","3","5","6","7","2","5","1") = "6"
    & skf21("5","3","5","6","7","2","6","1") = "6"
    & skf21("5","3","5","6","7","2","7","1") = "6"
    & skf21("5","3","5","6","7","3","1","1") = "6"
    & skf21("5","3","5","6","7","3","2","1") = "6"
    & skf21("5","3","5","6","7","3","3","1") = "6"
    & skf21("5","3","5","6","7","3","4","1") = "6"
    & skf21("5","3","5","6","7","3","5","1") = "6"
    & skf21("5","3","5","6","7","3","6","1") = "6"
    & skf21("5","3","5","6","7","3","7","1") = "6"
    & skf21("5","3","5","6","7","4","1","1") = "6"
    & skf21("5","3","5","6","7","4","2","1") = "6"
    & skf21("5","3","5","6","7","4","3","1") = "6"
    & skf21("5","3","5","6","7","4","4","1") = "6"
    & skf21("5","3","5","6","7","4","5","1") = "6"
    & skf21("5","3","5","6","7","4","6","1") = "6"
    & skf21("5","3","5","6","7","4","7","1") = "6"
    & skf21("5","3","5","6","7","5","1","1") = "6"
    & skf21("5","3","5","6","7","5","2","1") = "6"
    & skf21("5","3","5","6","7","5","3","1") = "6"
    & skf21("5","3","5","6","7","5","4","1") = "6"
    & skf21("5","3","5","6","7","5","5","1") = "6"
    & skf21("5","3","5","6","7","5","6","1") = "6"
    & skf21("5","3","5","6","7","5","7","1") = "6"
    & skf21("5","3","5","6","7","6","1","1") = "6"
    & skf21("5","3","5","6","7","6","2","1") = "6"
    & skf21("5","3","5","6","7","6","3","1") = "6"
    & skf21("5","3","5","6","7","6","4","1") = "6"
    & skf21("5","3","5","6","7","6","5","1") = "6"
    & skf21("5","3","5","6","7","6","6","1") = "6"
    & skf21("5","3","5","6","7","6","7","1") = "6"
    & skf21("5","3","5","6","7","7","1","1") = "6"
    & skf21("5","3","5","6","7","7","2","1") = "6"
    & skf21("5","3","5","6","7","7","3","1") = "6"
    & skf21("5","3","5","6","7","7","4","1") = "6"
    & skf21("5","3","5","6","7","7","5","1") = "6"
    & skf21("5","3","5","6","7","7","6","1") = "6"
    & skf21("5","3","5","6","7","7","7","1") = "6"
    & skf21("5","3","5","7","1","1","1","1") = "6"
    & skf21("5","3","5","7","1","1","2","1") = "6"
    & skf21("5","3","5","7","1","1","3","1") = "6"
    & skf21("5","3","5","7","1","1","4","1") = "6"
    & skf21("5","3","5","7","1","1","5","1") = "6"
    & skf21("5","3","5","7","1","1","6","1") = "6"
    & skf21("5","3","5","7","1","1","7","1") = "6"
    & skf21("5","3","5","7","1","2","1","1") = "6"
    & skf21("5","3","5","7","1","2","2","1") = "6"
    & skf21("5","3","5","7","1","2","3","1") = "6"
    & skf21("5","3","5","7","1","2","4","1") = "6"
    & skf21("5","3","5","7","1","2","5","1") = "6"
    & skf21("5","3","5","7","1","2","6","1") = "6"
    & skf21("5","3","5","7","1","2","7","1") = "6"
    & skf21("5","3","5","7","1","3","1","1") = "6"
    & skf21("5","3","5","7","1","3","2","1") = "6"
    & skf21("5","3","5","7","1","3","3","1") = "6"
    & skf21("5","3","5","7","1","3","4","1") = "6"
    & skf21("5","3","5","7","1","3","5","1") = "6"
    & skf21("5","3","5","7","1","3","6","1") = "6"
    & skf21("5","3","5","7","1","3","7","1") = "6"
    & skf21("5","3","5","7","1","4","1","1") = "6"
    & skf21("5","3","5","7","1","4","2","1") = "6"
    & skf21("5","3","5","7","1","4","3","1") = "6"
    & skf21("5","3","5","7","1","4","4","1") = "6"
    & skf21("5","3","5","7","1","4","5","1") = "6"
    & skf21("5","3","5","7","1","4","6","1") = "6"
    & skf21("5","3","5","7","1","4","7","1") = "6"
    & skf21("5","3","5","7","1","5","1","1") = "6"
    & skf21("5","3","5","7","1","5","2","1") = "6"
    & skf21("5","3","5","7","1","5","3","1") = "6"
    & skf21("5","3","5","7","1","5","4","1") = "6"
    & skf21("5","3","5","7","1","5","5","1") = "6"
    & skf21("5","3","5","7","1","5","6","1") = "6"
    & skf21("5","3","5","7","1","5","7","1") = "6"
    & skf21("5","3","5","7","1","6","1","1") = "6"
    & skf21("5","3","5","7","1","6","2","1") = "6"
    & skf21("5","3","5","7","1","6","3","1") = "6"
    & skf21("5","3","5","7","1","6","4","1") = "6"
    & skf21("5","3","5","7","1","6","5","1") = "6"
    & skf21("5","3","5","7","1","6","6","1") = "6"
    & skf21("5","3","5","7","1","6","7","1") = "6"
    & skf21("5","3","5","7","1","7","1","1") = "6"
    & skf21("5","3","5","7","1","7","2","1") = "6"
    & skf21("5","3","5","7","1","7","3","1") = "6"
    & skf21("5","3","5","7","1","7","4","1") = "6"
    & skf21("5","3","5","7","1","7","5","1") = "6"
    & skf21("5","3","5","7","1","7","6","1") = "6"
    & skf21("5","3","5","7","1","7","7","1") = "6"
    & skf21("5","3","5","7","2","1","1","1") = "6"
    & skf21("5","3","5","7","2","1","2","1") = "6"
    & skf21("5","3","5","7","2","1","3","1") = "6"
    & skf21("5","3","5","7","2","1","4","1") = "6"
    & skf21("5","3","5","7","2","1","5","1") = "6"
    & skf21("5","3","5","7","2","1","6","1") = "6"
    & skf21("5","3","5","7","2","1","7","1") = "6"
    & skf21("5","3","5","7","2","2","1","1") = "6"
    & skf21("5","3","5","7","2","2","2","1") = "6"
    & skf21("5","3","5","7","2","2","3","1") = "6"
    & skf21("5","3","5","7","2","2","4","1") = "6"
    & skf21("5","3","5","7","2","2","5","1") = "6"
    & skf21("5","3","5","7","2","2","6","1") = "6"
    & skf21("5","3","5","7","2","2","7","1") = "6"
    & skf21("5","3","5","7","2","3","1","1") = "6"
    & skf21("5","3","5","7","2","3","2","1") = "6"
    & skf21("5","3","5","7","2","3","3","1") = "6"
    & skf21("5","3","5","7","2","3","4","1") = "6"
    & skf21("5","3","5","7","2","3","5","1") = "6"
    & skf21("5","3","5","7","2","3","6","1") = "6"
    & skf21("5","3","5","7","2","3","7","1") = "6"
    & skf21("5","3","5","7","2","4","1","1") = "6"
    & skf21("5","3","5","7","2","4","2","1") = "6"
    & skf21("5","3","5","7","2","4","3","1") = "6"
    & skf21("5","3","5","7","2","4","4","1") = "6"
    & skf21("5","3","5","7","2","4","5","1") = "6"
    & skf21("5","3","5","7","2","4","6","1") = "6"
    & skf21("5","3","5","7","2","4","7","1") = "6"
    & skf21("5","3","5","7","2","5","1","1") = "6"
    & skf21("5","3","5","7","2","5","2","1") = "6"
    & skf21("5","3","5","7","2","5","3","1") = "6"
    & skf21("5","3","5","7","2","5","4","1") = "6"
    & skf21("5","3","5","7","2","5","5","1") = "6"
    & skf21("5","3","5","7","2","5","6","1") = "6"
    & skf21("5","3","5","7","2","5","7","1") = "6"
    & skf21("5","3","5","7","2","6","1","1") = "6"
    & skf21("5","3","5","7","2","6","2","1") = "6"
    & skf21("5","3","5","7","2","6","3","1") = "6"
    & skf21("5","3","5","7","2","6","4","1") = "6"
    & skf21("5","3","5","7","2","6","5","1") = "6"
    & skf21("5","3","5","7","2","6","6","1") = "6"
    & skf21("5","3","5","7","2","6","7","1") = "6"
    & skf21("5","3","5","7","2","7","1","1") = "6"
    & skf21("5","3","5","7","2","7","2","1") = "6"
    & skf21("5","3","5","7","2","7","3","1") = "6"
    & skf21("5","3","5","7","2","7","4","1") = "6"
    & skf21("5","3","5","7","2","7","5","1") = "6"
    & skf21("5","3","5","7","2","7","6","1") = "6"
    & skf21("5","3","5","7","2","7","7","1") = "6"
    & skf21("5","3","5","7","3","1","1","1") = "6"
    & skf21("5","3","5","7","3","1","2","1") = "6"
    & skf21("5","3","5","7","3","1","3","1") = "6"
    & skf21("5","3","5","7","3","1","4","1") = "6"
    & skf21("5","3","5","7","3","1","5","1") = "6"
    & skf21("5","3","5","7","3","1","6","1") = "6"
    & skf21("5","3","5","7","3","1","7","1") = "6"
    & skf21("5","3","5","7","3","2","1","1") = "6"
    & skf21("5","3","5","7","3","2","2","1") = "6"
    & skf21("5","3","5","7","3","2","3","1") = "6"
    & skf21("5","3","5","7","3","2","4","1") = "6"
    & skf21("5","3","5","7","3","2","5","1") = "6"
    & skf21("5","3","5","7","3","2","6","1") = "6"
    & skf21("5","3","5","7","3","2","7","1") = "6"
    & skf21("5","3","5","7","3","3","1","1") = "6"
    & skf21("5","3","5","7","3","3","2","1") = "6"
    & skf21("5","3","5","7","3","3","3","1") = "6"
    & skf21("5","3","5","7","3","3","4","1") = "6"
    & skf21("5","3","5","7","3","3","5","1") = "6"
    & skf21("5","3","5","7","3","3","6","1") = "6"
    & skf21("5","3","5","7","3","3","7","1") = "6"
    & skf21("5","3","5","7","3","4","1","1") = "6"
    & skf21("5","3","5","7","3","4","2","1") = "6"
    & skf21("5","3","5","7","3","4","3","1") = "6"
    & skf21("5","3","5","7","3","4","4","1") = "6"
    & skf21("5","3","5","7","3","4","5","1") = "6"
    & skf21("5","3","5","7","3","4","6","1") = "6"
    & skf21("5","3","5","7","3","4","7","1") = "6"
    & skf21("5","3","5","7","3","5","1","1") = "6"
    & skf21("5","3","5","7","3","5","2","1") = "6"
    & skf21("5","3","5","7","3","5","3","1") = "6"
    & skf21("5","3","5","7","3","5","4","1") = "6"
    & skf21("5","3","5","7","3","5","5","1") = "6"
    & skf21("5","3","5","7","3","5","6","1") = "6"
    & skf21("5","3","5","7","3","5","7","1") = "6"
    & skf21("5","3","5","7","3","6","1","1") = "6"
    & skf21("5","3","5","7","3","6","2","1") = "6"
    & skf21("5","3","5","7","3","6","3","1") = "6"
    & skf21("5","3","5","7","3","6","4","1") = "6"
    & skf21("5","3","5","7","3","6","5","1") = "6"
    & skf21("5","3","5","7","3","6","6","1") = "6"
    & skf21("5","3","5","7","3","6","7","1") = "6"
    & skf21("5","3","5","7","3","7","1","1") = "6"
    & skf21("5","3","5","7","3","7","2","1") = "6"
    & skf21("5","3","5","7","3","7","3","1") = "6"
    & skf21("5","3","5","7","3","7","4","1") = "6"
    & skf21("5","3","5","7","3","7","5","1") = "6"
    & skf21("5","3","5","7","3","7","6","1") = "6"
    & skf21("5","3","5","7","3","7","7","1") = "6"
    & skf21("5","3","5","7","4","1","1","1") = "6"
    & skf21("5","3","5","7","4","1","2","1") = "6"
    & skf21("5","3","5","7","4","1","3","1") = "6"
    & skf21("5","3","5","7","4","1","4","1") = "6"
    & skf21("5","3","5","7","4","1","5","1") = "6"
    & skf21("5","3","5","7","4","1","6","1") = "6"
    & skf21("5","3","5","7","4","1","7","1") = "6"
    & skf21("5","3","5","7","4","2","1","1") = "6"
    & skf21("5","3","5","7","4","2","2","1") = "6"
    & skf21("5","3","5","7","4","2","3","1") = "6"
    & skf21("5","3","5","7","4","2","4","1") = "6"
    & skf21("5","3","5","7","4","2","5","1") = "6"
    & skf21("5","3","5","7","4","2","6","1") = "6"
    & skf21("5","3","5","7","4","2","7","1") = "6"
    & skf21("5","3","5","7","4","3","1","1") = "6"
    & skf21("5","3","5","7","4","3","2","1") = "6"
    & skf21("5","3","5","7","4","3","3","1") = "6"
    & skf21("5","3","5","7","4","3","4","1") = "6"
    & skf21("5","3","5","7","4","3","5","1") = "6"
    & skf21("5","3","5","7","4","3","6","1") = "6"
    & skf21("5","3","5","7","4","3","7","1") = "6"
    & skf21("5","3","5","7","4","4","1","1") = "6"
    & skf21("5","3","5","7","4","4","2","1") = "6"
    & skf21("5","3","5","7","4","4","3","1") = "6"
    & skf21("5","3","5","7","4","4","4","1") = "6"
    & skf21("5","3","5","7","4","4","5","1") = "6"
    & skf21("5","3","5","7","4","4","6","1") = "6"
    & skf21("5","3","5","7","4","4","7","1") = "6"
    & skf21("5","3","5","7","4","5","1","1") = "6"
    & skf21("5","3","5","7","4","5","2","1") = "6"
    & skf21("5","3","5","7","4","5","3","1") = "6"
    & skf21("5","3","5","7","4","5","4","1") = "6"
    & skf21("5","3","5","7","4","5","5","1") = "6"
    & skf21("5","3","5","7","4","5","6","1") = "6"
    & skf21("5","3","5","7","4","5","7","1") = "6"
    & skf21("5","3","5","7","4","6","1","1") = "6"
    & skf21("5","3","5","7","4","6","2","1") = "6"
    & skf21("5","3","5","7","4","6","3","1") = "6"
    & skf21("5","3","5","7","4","6","4","1") = "6"
    & skf21("5","3","5","7","4","6","5","1") = "6"
    & skf21("5","3","5","7","4","6","6","1") = "6"
    & skf21("5","3","5","7","4","6","7","1") = "6"
    & skf21("5","3","5","7","4","7","1","1") = "6"
    & skf21("5","3","5","7","4","7","2","1") = "6"
    & skf21("5","3","5","7","4","7","3","1") = "6"
    & skf21("5","3","5","7","4","7","4","1") = "6"
    & skf21("5","3","5","7","4","7","5","1") = "6"
    & skf21("5","3","5","7","4","7","6","1") = "6"
    & skf21("5","3","5","7","4","7","7","1") = "6"
    & skf21("5","3","5","7","5","1","1","1") = "6"
    & skf21("5","3","5","7","5","1","2","1") = "6"
    & skf21("5","3","5","7","5","1","3","1") = "6"
    & skf21("5","3","5","7","5","1","4","1") = "6"
    & skf21("5","3","5","7","5","1","5","1") = "6"
    & skf21("5","3","5","7","5","1","6","1") = "6"
    & skf21("5","3","5","7","5","1","7","1") = "6"
    & skf21("5","3","5","7","5","2","1","1") = "6"
    & skf21("5","3","5","7","5","2","2","1") = "6"
    & skf21("5","3","5","7","5","2","3","1") = "6"
    & skf21("5","3","5","7","5","2","4","1") = "6"
    & skf21("5","3","5","7","5","2","5","1") = "6"
    & skf21("5","3","5","7","5","2","6","1") = "6"
    & skf21("5","3","5","7","5","2","7","1") = "6"
    & skf21("5","3","5","7","5","3","1","1") = "6"
    & skf21("5","3","5","7","5","3","2","1") = "6"
    & skf21("5","3","5","7","5","3","3","1") = "6"
    & skf21("5","3","5","7","5","3","4","1") = "6"
    & skf21("5","3","5","7","5","3","5","1") = "6"
    & skf21("5","3","5","7","5","3","6","1") = "6"
    & skf21("5","3","5","7","5","3","7","1") = "6"
    & skf21("5","3","5","7","5","4","1","1") = "6"
    & skf21("5","3","5","7","5","4","2","1") = "6"
    & skf21("5","3","5","7","5","4","3","1") = "6"
    & skf21("5","3","5","7","5","4","4","1") = "6"
    & skf21("5","3","5","7","5","4","5","1") = "6"
    & skf21("5","3","5","7","5","4","6","1") = "6"
    & skf21("5","3","5","7","5","4","7","1") = "6"
    & skf21("5","3","5","7","5","5","1","1") = "6"
    & skf21("5","3","5","7","5","5","2","1") = "6"
    & skf21("5","3","5","7","5","5","3","1") = "6"
    & skf21("5","3","5","7","5","5","4","1") = "6"
    & skf21("5","3","5","7","5","5","5","1") = "6"
    & skf21("5","3","5","7","5","5","6","1") = "6"
    & skf21("5","3","5","7","5","5","7","1") = "6"
    & skf21("5","3","5","7","5","6","1","1") = "6"
    & skf21("5","3","5","7","5","6","2","1") = "6"
    & skf21("5","3","5","7","5","6","3","1") = "6"
    & skf21("5","3","5","7","5","6","4","1") = "6"
    & skf21("5","3","5","7","5","6","5","1") = "6"
    & skf21("5","3","5","7","5","6","6","1") = "6"
    & skf21("5","3","5","7","5","6","7","1") = "6"
    & skf21("5","3","5","7","5","7","1","1") = "6"
    & skf21("5","3","5","7","5","7","2","1") = "6"
    & skf21("5","3","5","7","5","7","3","1") = "6"
    & skf21("5","3","5","7","5","7","4","1") = "6"
    & skf21("5","3","5","7","5","7","5","1") = "6"
    & skf21("5","3","5","7","5","7","6","1") = "6"
    & skf21("5","3","5","7","5","7","7","1") = "6"
    & skf21("5","3","5","7","6","1","1","1") = "6"
    & skf21("5","3","5","7","6","1","2","1") = "6"
    & skf21("5","3","5","7","6","1","3","1") = "6"
    & skf21("5","3","5","7","6","1","4","1") = "6"
    & skf21("5","3","5","7","6","1","5","1") = "6"
    & skf21("5","3","5","7","6","1","6","1") = "6"
    & skf21("5","3","5","7","6","1","7","1") = "6"
    & skf21("5","3","5","7","6","2","1","1") = "6"
    & skf21("5","3","5","7","6","2","2","1") = "6"
    & skf21("5","3","5","7","6","2","3","1") = "6"
    & skf21("5","3","5","7","6","2","4","1") = "6"
    & skf21("5","3","5","7","6","2","5","1") = "6"
    & skf21("5","3","5","7","6","2","6","1") = "6"
    & skf21("5","3","5","7","6","2","7","1") = "6"
    & skf21("5","3","5","7","6","3","1","1") = "6"
    & skf21("5","3","5","7","6","3","2","1") = "6"
    & skf21("5","3","5","7","6","3","3","1") = "6"
    & skf21("5","3","5","7","6","3","4","1") = "6"
    & skf21("5","3","5","7","6","3","5","1") = "6"
    & skf21("5","3","5","7","6","3","6","1") = "6"
    & skf21("5","3","5","7","6","3","7","1") = "6"
    & skf21("5","3","5","7","6","4","1","1") = "6"
    & skf21("5","3","5","7","6","4","2","1") = "6"
    & skf21("5","3","5","7","6","4","3","1") = "6"
    & skf21("5","3","5","7","6","4","4","1") = "6"
    & skf21("5","3","5","7","6","4","5","1") = "6"
    & skf21("5","3","5","7","6","4","6","1") = "6"
    & skf21("5","3","5","7","6","4","7","1") = "6"
    & skf21("5","3","5","7","6","5","1","1") = "6"
    & skf21("5","3","5","7","6","5","2","1") = "6"
    & skf21("5","3","5","7","6","5","3","1") = "6"
    & skf21("5","3","5","7","6","5","4","1") = "6"
    & skf21("5","3","5","7","6","5","5","1") = "6"
    & skf21("5","3","5","7","6","5","6","1") = "6"
    & skf21("5","3","5","7","6","5","7","1") = "6"
    & skf21("5","3","5","7","6","6","1","1") = "6"
    & skf21("5","3","5","7","6","6","2","1") = "6"
    & skf21("5","3","5","7","6","6","3","1") = "6"
    & skf21("5","3","5","7","6","6","4","1") = "6"
    & skf21("5","3","5","7","6","6","5","1") = "6"
    & skf21("5","3","5","7","6","6","6","1") = "6"
    & skf21("5","3","5","7","6","6","7","1") = "6"
    & skf21("5","3","5","7","6","7","1","1") = "6"
    & skf21("5","3","5","7","6","7","2","1") = "6"
    & skf21("5","3","5","7","6","7","3","1") = "6"
    & skf21("5","3","5","7","6","7","4","1") = "6"
    & skf21("5","3","5","7","6","7","5","1") = "6"
    & skf21("5","3","5","7","6","7","6","1") = "6"
    & skf21("5","3","5","7","6","7","7","1") = "6"
    & skf21("5","3","5","7","7","1","1","1") = "6"
    & skf21("5","3","5","7","7","1","2","1") = "6"
    & skf21("5","3","5","7","7","1","3","1") = "6"
    & skf21("5","3","5","7","7","1","4","1") = "6"
    & skf21("5","3","5","7","7","1","5","1") = "6"
    & skf21("5","3","5","7","7","1","6","1") = "6"
    & skf21("5","3","5","7","7","1","7","1") = "6"
    & skf21("5","3","5","7","7","2","1","1") = "6"
    & skf21("5","3","5","7","7","2","2","1") = "6"
    & skf21("5","3","5","7","7","2","3","1") = "6"
    & skf21("5","3","5","7","7","2","4","1") = "6"
    & skf21("5","3","5","7","7","2","5","1") = "6"
    & skf21("5","3","5","7","7","2","6","1") = "6"
    & skf21("5","3","5","7","7","2","7","1") = "6"
    & skf21("5","3","5","7","7","3","1","1") = "6"
    & skf21("5","3","5","7","7","3","2","1") = "6"
    & skf21("5","3","5","7","7","3","3","1") = "6"
    & skf21("5","3","5","7","7","3","4","1") = "6"
    & skf21("5","3","5","7","7","3","5","1") = "6"
    & skf21("5","3","5","7","7","3","6","1") = "6"
    & skf21("5","3","5","7","7","3","7","1") = "6"
    & skf21("5","3","5","7","7","4","1","1") = "6"
    & skf21("5","3","5","7","7","4","2","1") = "6"
    & skf21("5","3","5","7","7","4","3","1") = "6"
    & skf21("5","3","5","7","7","4","4","1") = "6"
    & skf21("5","3","5","7","7","4","5","1") = "6"
    & skf21("5","3","5","7","7","4","6","1") = "6"
    & skf21("5","3","5","7","7","4","7","1") = "6"
    & skf21("5","3","5","7","7","5","1","1") = "6"
    & skf21("5","3","5","7","7","5","2","1") = "6"
    & skf21("5","3","5","7","7","5","3","1") = "6"
    & skf21("5","3","5","7","7","5","4","1") = "6"
    & skf21("5","3","5","7","7","5","5","1") = "6"
    & skf21("5","3","5","7","7","5","6","1") = "6"
    & skf21("5","3","5","7","7","5","7","1") = "6"
    & skf21("5","3","5","7","7","6","1","1") = "6"
    & skf21("5","3","5","7","7","6","2","1") = "6"
    & skf21("5","3","5","7","7","6","3","1") = "6"
    & skf21("5","3","5","7","7","6","4","1") = "6"
    & skf21("5","3","5","7","7","6","5","1") = "6"
    & skf21("5","3","5","7","7","6","6","1") = "6"
    & skf21("5","3","5","7","7","6","7","1") = "6"
    & skf21("5","3","5","7","7","7","1","1") = "6"
    & skf21("5","3","5","7","7","7","2","1") = "6"
    & skf21("5","3","5","7","7","7","3","1") = "6"
    & skf21("5","3","5","7","7","7","4","1") = "6"
    & skf21("5","3","5","7","7","7","5","1") = "6"
    & skf21("5","3","5","7","7","7","6","1") = "6"
    & skf21("5","3","5","7","7","7","7","1") = "6"
    & skf21("5","3","6","1","1","1","1","1") = "5"
    & skf21("5","3","6","1","1","1","2","1") = "5"
    & skf21("5","3","6","1","1","1","3","1") = "5"
    & skf21("5","3","6","1","1","1","4","1") = "5"
    & skf21("5","3","6","1","1","1","5","1") = "5"
    & skf21("5","3","6","1","1","1","6","1") = "5"
    & skf21("5","3","6","1","1","1","7","1") = "6"
    & skf21("5","3","6","1","1","2","1","1") = "5"
    & skf21("5","3","6","1","1","2","2","1") = "5"
    & skf21("5","3","6","1","1","2","3","1") = "5"
    & skf21("5","3","6","1","1","2","4","1") = "5"
    & skf21("5","3","6","1","1","2","5","1") = "5"
    & skf21("5","3","6","1","1","2","6","1") = "5"
    & skf21("5","3","6","1","1","2","7","1") = "6"
    & skf21("5","3","6","1","1","3","1","1") = "5"
    & skf21("5","3","6","1","1","3","2","1") = "5"
    & skf21("5","3","6","1","1","3","3","1") = "5"
    & skf21("5","3","6","1","1","3","4","1") = "5"
    & skf21("5","3","6","1","1","3","5","1") = "5"
    & skf21("5","3","6","1","1","3","6","1") = "5"
    & skf21("5","3","6","1","1","3","7","1") = "6"
    & skf21("5","3","6","1","1","4","1","1") = "5"
    & skf21("5","3","6","1","1","4","2","1") = "5"
    & skf21("5","3","6","1","1","4","3","1") = "5"
    & skf21("5","3","6","1","1","4","4","1") = "5"
    & skf21("5","3","6","1","1","4","5","1") = "5"
    & skf21("5","3","6","1","1","4","6","1") = "5"
    & skf21("5","3","6","1","1","4","7","1") = "6"
    & skf21("5","3","6","1","1","5","1","1") = "5"
    & skf21("5","3","6","1","1","5","2","1") = "5"
    & skf21("5","3","6","1","1","5","3","1") = "5"
    & skf21("5","3","6","1","1","5","4","1") = "5"
    & skf21("5","3","6","1","1","5","5","1") = "5"
    & skf21("5","3","6","1","1","5","6","1") = "5"
    & skf21("5","3","6","1","1","5","7","1") = "6"
    & skf21("5","3","6","1","1","6","1","1") = "5"
    & skf21("5","3","6","1","1","6","2","1") = "5"
    & skf21("5","3","6","1","1","6","3","1") = "5"
    & skf21("5","3","6","1","1","6","4","1") = "5"
    & skf21("5","3","6","1","1","6","5","1") = "5"
    & skf21("5","3","6","1","1","6","6","1") = "5"
    & skf21("5","3","6","1","1","6","7","1") = "6"
    & skf21("5","3","6","1","1","7","1","1") = "6"
    & skf21("5","3","6","1","1","7","2","1") = "6"
    & skf21("5","3","6","1","1","7","3","1") = "6"
    & skf21("5","3","6","1","1","7","4","1") = "6"
    & skf21("5","3","6","1","1","7","5","1") = "6"
    & skf21("5","3","6","1","1","7","6","1") = "6"
    & skf21("5","3","6","1","1","7","7","1") = "6"
    & skf21("5","3","6","1","2","1","1","1") = "5"
    & skf21("5","3","6","1","2","1","2","1") = "5"
    & skf21("5","3","6","1","2","1","3","1") = "5"
    & skf21("5","3","6","1","2","1","4","1") = "5"
    & skf21("5","3","6","1","2","1","5","1") = "5"
    & skf21("5","3","6","1","2","1","6","1") = "5"
    & skf21("5","3","6","1","2","1","7","1") = "6"
    & skf21("5","3","6","1","2","2","1","1") = "5"
    & skf21("5","3","6","1","2","2","2","1") = "5"
    & skf21("5","3","6","1","2","2","3","1") = "5"
    & skf21("5","3","6","1","2","2","4","1") = "5"
    & skf21("5","3","6","1","2","2","5","1") = "5"
    & skf21("5","3","6","1","2","2","6","1") = "5"
    & skf21("5","3","6","1","2","2","7","1") = "6"
    & skf21("5","3","6","1","2","3","1","1") = "5"
    & skf21("5","3","6","1","2","3","2","1") = "5"
    & skf21("5","3","6","1","2","3","3","1") = "5"
    & skf21("5","3","6","1","2","3","4","1") = "5"
    & skf21("5","3","6","1","2","3","5","1") = "5"
    & skf21("5","3","6","1","2","3","6","1") = "5"
    & skf21("5","3","6","1","2","3","7","1") = "6"
    & skf21("5","3","6","1","2","4","1","1") = "5"
    & skf21("5","3","6","1","2","4","2","1") = "5"
    & skf21("5","3","6","1","2","4","3","1") = "5"
    & skf21("5","3","6","1","2","4","4","1") = "5"
    & skf21("5","3","6","1","2","4","5","1") = "5"
    & skf21("5","3","6","1","2","4","6","1") = "5"
    & skf21("5","3","6","1","2","4","7","1") = "6"
    & skf21("5","3","6","1","2","5","1","1") = "5"
    & skf21("5","3","6","1","2","5","2","1") = "5"
    & skf21("5","3","6","1","2","5","3","1") = "5"
    & skf21("5","3","6","1","2","5","4","1") = "5"
    & skf21("5","3","6","1","2","5","5","1") = "5"
    & skf21("5","3","6","1","2","5","6","1") = "5"
    & skf21("5","3","6","1","2","5","7","1") = "6"
    & skf21("5","3","6","1","2","6","1","1") = "5"
    & skf21("5","3","6","1","2","6","2","1") = "5"
    & skf21("5","3","6","1","2","6","3","1") = "5"
    & skf21("5","3","6","1","2","6","4","1") = "5"
    & skf21("5","3","6","1","2","6","5","1") = "5"
    & skf21("5","3","6","1","2","6","6","1") = "5"
    & skf21("5","3","6","1","2","6","7","1") = "6"
    & skf21("5","3","6","1","2","7","1","1") = "6"
    & skf21("5","3","6","1","2","7","2","1") = "6"
    & skf21("5","3","6","1","2","7","3","1") = "6"
    & skf21("5","3","6","1","2","7","4","1") = "6"
    & skf21("5","3","6","1","2","7","5","1") = "6"
    & skf21("5","3","6","1","2","7","6","1") = "6"
    & skf21("5","3","6","1","2","7","7","1") = "6"
    & skf21("5","3","6","1","3","1","1","1") = "5"
    & skf21("5","3","6","1","3","1","2","1") = "5"
    & skf21("5","3","6","1","3","1","3","1") = "5"
    & skf21("5","3","6","1","3","1","4","1") = "5"
    & skf21("5","3","6","1","3","1","5","1") = "5"
    & skf21("5","3","6","1","3","1","6","1") = "5"
    & skf21("5","3","6","1","3","1","7","1") = "6"
    & skf21("5","3","6","1","3","2","1","1") = "5"
    & skf21("5","3","6","1","3","2","2","1") = "5"
    & skf21("5","3","6","1","3","2","3","1") = "5"
    & skf21("5","3","6","1","3","2","4","1") = "5"
    & skf21("5","3","6","1","3","2","5","1") = "5"
    & skf21("5","3","6","1","3","2","6","1") = "5"
    & skf21("5","3","6","1","3","2","7","1") = "6"
    & skf21("5","3","6","1","3","3","1","1") = "5"
    & skf21("5","3","6","1","3","3","2","1") = "5"
    & skf21("5","3","6","1","3","3","3","1") = "5"
    & skf21("5","3","6","1","3","3","4","1") = "5"
    & skf21("5","3","6","1","3","3","5","1") = "5"
    & skf21("5","3","6","1","3","3","6","1") = "5"
    & skf21("5","3","6","1","3","3","7","1") = "6"
    & skf21("5","3","6","1","3","4","1","1") = "5"
    & skf21("5","3","6","1","3","4","2","1") = "5"
    & skf21("5","3","6","1","3","4","3","1") = "5"
    & skf21("5","3","6","1","3","4","4","1") = "5"
    & skf21("5","3","6","1","3","4","5","1") = "5"
    & skf21("5","3","6","1","3","4","6","1") = "5"
    & skf21("5","3","6","1","3","4","7","1") = "6"
    & skf21("5","3","6","1","3","5","1","1") = "5"
    & skf21("5","3","6","1","3","5","2","1") = "5"
    & skf21("5","3","6","1","3","5","3","1") = "5"
    & skf21("5","3","6","1","3","5","4","1") = "5"
    & skf21("5","3","6","1","3","5","5","1") = "5"
    & skf21("5","3","6","1","3","5","6","1") = "5"
    & skf21("5","3","6","1","3","5","7","1") = "6"
    & skf21("5","3","6","1","3","6","1","1") = "5"
    & skf21("5","3","6","1","3","6","2","1") = "5"
    & skf21("5","3","6","1","3","6","3","1") = "5"
    & skf21("5","3","6","1","3","6","4","1") = "5"
    & skf21("5","3","6","1","3","6","5","1") = "5"
    & skf21("5","3","6","1","3","6","6","1") = "5"
    & skf21("5","3","6","1","3","6","7","1") = "6"
    & skf21("5","3","6","1","3","7","1","1") = "6"
    & skf21("5","3","6","1","3","7","2","1") = "6"
    & skf21("5","3","6","1","3","7","3","1") = "6"
    & skf21("5","3","6","1","3","7","4","1") = "6"
    & skf21("5","3","6","1","3","7","5","1") = "6"
    & skf21("5","3","6","1","3","7","6","1") = "6"
    & skf21("5","3","6","1","3","7","7","1") = "6"
    & skf21("5","3","6","1","4","1","1","1") = "5"
    & skf21("5","3","6","1","4","1","2","1") = "5"
    & skf21("5","3","6","1","4","1","3","1") = "5"
    & skf21("5","3","6","1","4","1","4","1") = "5"
    & skf21("5","3","6","1","4","1","5","1") = "5"
    & skf21("5","3","6","1","4","1","6","1") = "5"
    & skf21("5","3","6","1","4","1","7","1") = "6"
    & skf21("5","3","6","1","4","2","1","1") = "5"
    & skf21("5","3","6","1","4","2","2","1") = "5"
    & skf21("5","3","6","1","4","2","3","1") = "5"
    & skf21("5","3","6","1","4","2","4","1") = "5"
    & skf21("5","3","6","1","4","2","5","1") = "5"
    & skf21("5","3","6","1","4","2","6","1") = "5"
    & skf21("5","3","6","1","4","2","7","1") = "6"
    & skf21("5","3","6","1","4","3","1","1") = "5"
    & skf21("5","3","6","1","4","3","2","1") = "5"
    & skf21("5","3","6","1","4","3","3","1") = "5"
    & skf21("5","3","6","1","4","3","4","1") = "5"
    & skf21("5","3","6","1","4","3","5","1") = "5"
    & skf21("5","3","6","1","4","3","6","1") = "5"
    & skf21("5","3","6","1","4","3","7","1") = "6"
    & skf21("5","3","6","1","4","4","1","1") = "5"
    & skf21("5","3","6","1","4","4","2","1") = "5"
    & skf21("5","3","6","1","4","4","3","1") = "5"
    & skf21("5","3","6","1","4","4","4","1") = "5"
    & skf21("5","3","6","1","4","4","5","1") = "5"
    & skf21("5","3","6","1","4","4","6","1") = "5"
    & skf21("5","3","6","1","4","4","7","1") = "6"
    & skf21("5","3","6","1","4","5","1","1") = "5"
    & skf21("5","3","6","1","4","5","2","1") = "5"
    & skf21("5","3","6","1","4","5","3","1") = "5"
    & skf21("5","3","6","1","4","5","4","1") = "5"
    & skf21("5","3","6","1","4","5","5","1") = "5"
    & skf21("5","3","6","1","4","5","6","1") = "5"
    & skf21("5","3","6","1","4","5","7","1") = "6"
    & skf21("5","3","6","1","4","6","1","1") = "5"
    & skf21("5","3","6","1","4","6","2","1") = "5"
    & skf21("5","3","6","1","4","6","3","1") = "5"
    & skf21("5","3","6","1","4","6","4","1") = "5"
    & skf21("5","3","6","1","4","6","5","1") = "5"
    & skf21("5","3","6","1","4","6","6","1") = "5"
    & skf21("5","3","6","1","4","6","7","1") = "6"
    & skf21("5","3","6","1","4","7","1","1") = "6"
    & skf21("5","3","6","1","4","7","2","1") = "6"
    & skf21("5","3","6","1","4","7","3","1") = "6"
    & skf21("5","3","6","1","4","7","4","1") = "6"
    & skf21("5","3","6","1","4","7","5","1") = "6"
    & skf21("5","3","6","1","4","7","6","1") = "6"
    & skf21("5","3","6","1","4","7","7","1") = "6"
    & skf21("5","3","6","1","5","1","1","1") = "5"
    & skf21("5","3","6","1","5","1","2","1") = "5"
    & skf21("5","3","6","1","5","1","3","1") = "5"
    & skf21("5","3","6","1","5","1","4","1") = "5"
    & skf21("5","3","6","1","5","1","5","1") = "5"
    & skf21("5","3","6","1","5","1","6","1") = "5"
    & skf21("5","3","6","1","5","1","7","1") = "6"
    & skf21("5","3","6","1","5","2","1","1") = "5"
    & skf21("5","3","6","1","5","2","2","1") = "5"
    & skf21("5","3","6","1","5","2","3","1") = "5"
    & skf21("5","3","6","1","5","2","4","1") = "5"
    & skf21("5","3","6","1","5","2","5","1") = "5"
    & skf21("5","3","6","1","5","2","6","1") = "5"
    & skf21("5","3","6","1","5","2","7","1") = "6"
    & skf21("5","3","6","1","5","3","1","1") = "5"
    & skf21("5","3","6","1","5","3","2","1") = "5"
    & skf21("5","3","6","1","5","3","3","1") = "5"
    & skf21("5","3","6","1","5","3","4","1") = "5"
    & skf21("5","3","6","1","5","3","5","1") = "5"
    & skf21("5","3","6","1","5","3","6","1") = "5"
    & skf21("5","3","6","1","5","3","7","1") = "6"
    & skf21("5","3","6","1","5","4","1","1") = "5"
    & skf21("5","3","6","1","5","4","2","1") = "5"
    & skf21("5","3","6","1","5","4","3","1") = "5"
    & skf21("5","3","6","1","5","4","4","1") = "5"
    & skf21("5","3","6","1","5","4","5","1") = "5"
    & skf21("5","3","6","1","5","4","6","1") = "5"
    & skf21("5","3","6","1","5","4","7","1") = "6"
    & skf21("5","3","6","1","5","5","1","1") = "5"
    & skf21("5","3","6","1","5","5","2","1") = "5"
    & skf21("5","3","6","1","5","5","3","1") = "5"
    & skf21("5","3","6","1","5","5","4","1") = "5"
    & skf21("5","3","6","1","5","5","5","1") = "5"
    & skf21("5","3","6","1","5","5","6","1") = "5"
    & skf21("5","3","6","1","5","5","7","1") = "6"
    & skf21("5","3","6","1","5","6","1","1") = "5"
    & skf21("5","3","6","1","5","6","2","1") = "5"
    & skf21("5","3","6","1","5","6","3","1") = "5"
    & skf21("5","3","6","1","5","6","4","1") = "5"
    & skf21("5","3","6","1","5","6","5","1") = "5"
    & skf21("5","3","6","1","5","6","6","1") = "5"
    & skf21("5","3","6","1","5","6","7","1") = "6"
    & skf21("5","3","6","1","5","7","1","1") = "6"
    & skf21("5","3","6","1","5","7","2","1") = "6"
    & skf21("5","3","6","1","5","7","3","1") = "6"
    & skf21("5","3","6","1","5","7","4","1") = "6"
    & skf21("5","3","6","1","5","7","5","1") = "6"
    & skf21("5","3","6","1","5","7","6","1") = "6"
    & skf21("5","3","6","1","5","7","7","1") = "6"
    & skf21("5","3","6","1","6","1","1","1") = "5"
    & skf21("5","3","6","1","6","1","2","1") = "5"
    & skf21("5","3","6","1","6","1","3","1") = "5"
    & skf21("5","3","6","1","6","1","4","1") = "5"
    & skf21("5","3","6","1","6","1","5","1") = "5"
    & skf21("5","3","6","1","6","1","6","1") = "5"
    & skf21("5","3","6","1","6","1","7","1") = "6"
    & skf21("5","3","6","1","6","2","1","1") = "5"
    & skf21("5","3","6","1","6","2","2","1") = "5"
    & skf21("5","3","6","1","6","2","3","1") = "5"
    & skf21("5","3","6","1","6","2","4","1") = "5"
    & skf21("5","3","6","1","6","2","5","1") = "5"
    & skf21("5","3","6","1","6","2","6","1") = "5"
    & skf21("5","3","6","1","6","2","7","1") = "6"
    & skf21("5","3","6","1","6","3","1","1") = "5"
    & skf21("5","3","6","1","6","3","2","1") = "5"
    & skf21("5","3","6","1","6","3","3","1") = "5"
    & skf21("5","3","6","1","6","3","4","1") = "5"
    & skf21("5","3","6","1","6","3","5","1") = "5"
    & skf21("5","3","6","1","6","3","6","1") = "5"
    & skf21("5","3","6","1","6","3","7","1") = "6"
    & skf21("5","3","6","1","6","4","1","1") = "5"
    & skf21("5","3","6","1","6","4","2","1") = "5"
    & skf21("5","3","6","1","6","4","3","1") = "5"
    & skf21("5","3","6","1","6","4","4","1") = "5"
    & skf21("5","3","6","1","6","4","5","1") = "5"
    & skf21("5","3","6","1","6","4","6","1") = "5"
    & skf21("5","3","6","1","6","4","7","1") = "6"
    & skf21("5","3","6","1","6","5","1","1") = "5"
    & skf21("5","3","6","1","6","5","2","1") = "5"
    & skf21("5","3","6","1","6","5","3","1") = "5"
    & skf21("5","3","6","1","6","5","4","1") = "5"
    & skf21("5","3","6","1","6","5","5","1") = "5"
    & skf21("5","3","6","1","6","5","6","1") = "5"
    & skf21("5","3","6","1","6","5","7","1") = "6"
    & skf21("5","3","6","1","6","6","1","1") = "5"
    & skf21("5","3","6","1","6","6","2","1") = "5"
    & skf21("5","3","6","1","6","6","3","1") = "5"
    & skf21("5","3","6","1","6","6","4","1") = "5"
    & skf21("5","3","6","1","6","6","5","1") = "5"
    & skf21("5","3","6","1","6","6","6","1") = "5"
    & skf21("5","3","6","1","6","6","7","1") = "6"
    & skf21("5","3","6","1","6","7","1","1") = "6"
    & skf21("5","3","6","1","6","7","2","1") = "6"
    & skf21("5","3","6","1","6","7","3","1") = "6"
    & skf21("5","3","6","1","6","7","4","1") = "6"
    & skf21("5","3","6","1","6","7","5","1") = "6"
    & skf21("5","3","6","1","6","7","6","1") = "6"
    & skf21("5","3","6","1","6","7","7","1") = "6"
    & skf21("5","3","6","1","7","1","1","1") = "6"
    & skf21("5","3","6","1","7","1","2","1") = "6"
    & skf21("5","3","6","1","7","1","3","1") = "6"
    & skf21("5","3","6","1","7","1","4","1") = "6"
    & skf21("5","3","6","1","7","1","5","1") = "6"
    & skf21("5","3","6","1","7","1","6","1") = "6"
    & skf21("5","3","6","1","7","1","7","1") = "6"
    & skf21("5","3","6","1","7","2","1","1") = "6"
    & skf21("5","3","6","1","7","2","2","1") = "6"
    & skf21("5","3","6","1","7","2","3","1") = "6"
    & skf21("5","3","6","1","7","2","4","1") = "6"
    & skf21("5","3","6","1","7","2","5","1") = "6"
    & skf21("5","3","6","1","7","2","6","1") = "6"
    & skf21("5","3","6","1","7","2","7","1") = "6"
    & skf21("5","3","6","1","7","3","1","1") = "6"
    & skf21("5","3","6","1","7","3","2","1") = "6"
    & skf21("5","3","6","1","7","3","3","1") = "6"
    & skf21("5","3","6","1","7","3","4","1") = "6"
    & skf21("5","3","6","1","7","3","5","1") = "6"
    & skf21("5","3","6","1","7","3","6","1") = "6"
    & skf21("5","3","6","1","7","3","7","1") = "6"
    & skf21("5","3","6","1","7","4","1","1") = "6"
    & skf21("5","3","6","1","7","4","2","1") = "6"
    & skf21("5","3","6","1","7","4","3","1") = "6"
    & skf21("5","3","6","1","7","4","4","1") = "6"
    & skf21("5","3","6","1","7","4","5","1") = "6"
    & skf21("5","3","6","1","7","4","6","1") = "6"
    & skf21("5","3","6","1","7","4","7","1") = "6"
    & skf21("5","3","6","1","7","5","1","1") = "6"
    & skf21("5","3","6","1","7","5","2","1") = "6"
    & skf21("5","3","6","1","7","5","3","1") = "6"
    & skf21("5","3","6","1","7","5","4","1") = "6"
    & skf21("5","3","6","1","7","5","5","1") = "6"
    & skf21("5","3","6","1","7","5","6","1") = "6"
    & skf21("5","3","6","1","7","5","7","1") = "6"
    & skf21("5","3","6","1","7","6","1","1") = "6"
    & skf21("5","3","6","1","7","6","2","1") = "6"
    & skf21("5","3","6","1","7","6","3","1") = "6"
    & skf21("5","3","6","1","7","6","4","1") = "6"
    & skf21("5","3","6","1","7","6","5","1") = "6"
    & skf21("5","3","6","1","7","6","6","1") = "6"
    & skf21("5","3","6","1","7","6","7","1") = "6"
    & skf21("5","3","6","1","7","7","1","1") = "6"
    & skf21("5","3","6","1","7","7","2","1") = "6"
    & skf21("5","3","6","1","7","7","3","1") = "6"
    & skf21("5","3","6","1","7","7","4","1") = "6"
    & skf21("5","3","6","1","7","7","5","1") = "6"
    & skf21("5","3","6","1","7","7","6","1") = "6"
    & skf21("5","3","6","1","7","7","7","1") = "6"
    & skf21("5","3","6","2","1","1","1","1") = "5"
    & skf21("5","3","6","2","1","1","2","1") = "5"
    & skf21("5","3","6","2","1","1","3","1") = "5"
    & skf21("5","3","6","2","1","1","4","1") = "5"
    & skf21("5","3","6","2","1","1","5","1") = "5"
    & skf21("5","3","6","2","1","1","6","1") = "5"
    & skf21("5","3","6","2","1","1","7","1") = "6"
    & skf21("5","3","6","2","1","2","1","1") = "5"
    & skf21("5","3","6","2","1","2","2","1") = "5"
    & skf21("5","3","6","2","1","2","3","1") = "5"
    & skf21("5","3","6","2","1","2","4","1") = "5"
    & skf21("5","3","6","2","1","2","5","1") = "5"
    & skf21("5","3","6","2","1","2","6","1") = "5"
    & skf21("5","3","6","2","1","2","7","1") = "6"
    & skf21("5","3","6","2","1","3","1","1") = "5"
    & skf21("5","3","6","2","1","3","2","1") = "5"
    & skf21("5","3","6","2","1","3","3","1") = "5"
    & skf21("5","3","6","2","1","3","4","1") = "5"
    & skf21("5","3","6","2","1","3","5","1") = "5"
    & skf21("5","3","6","2","1","3","6","1") = "5"
    & skf21("5","3","6","2","1","3","7","1") = "6"
    & skf21("5","3","6","2","1","4","1","1") = "5"
    & skf21("5","3","6","2","1","4","2","1") = "5"
    & skf21("5","3","6","2","1","4","3","1") = "5"
    & skf21("5","3","6","2","1","4","4","1") = "5"
    & skf21("5","3","6","2","1","4","5","1") = "5"
    & skf21("5","3","6","2","1","4","6","1") = "5"
    & skf21("5","3","6","2","1","4","7","1") = "6"
    & skf21("5","3","6","2","1","5","1","1") = "5"
    & skf21("5","3","6","2","1","5","2","1") = "5"
    & skf21("5","3","6","2","1","5","3","1") = "5"
    & skf21("5","3","6","2","1","5","4","1") = "5"
    & skf21("5","3","6","2","1","5","5","1") = "5"
    & skf21("5","3","6","2","1","5","6","1") = "5"
    & skf21("5","3","6","2","1","5","7","1") = "6"
    & skf21("5","3","6","2","1","6","1","1") = "5"
    & skf21("5","3","6","2","1","6","2","1") = "5"
    & skf21("5","3","6","2","1","6","3","1") = "5"
    & skf21("5","3","6","2","1","6","4","1") = "5"
    & skf21("5","3","6","2","1","6","5","1") = "5"
    & skf21("5","3","6","2","1","6","6","1") = "5"
    & skf21("5","3","6","2","1","6","7","1") = "6"
    & skf21("5","3","6","2","1","7","1","1") = "6"
    & skf21("5","3","6","2","1","7","2","1") = "6"
    & skf21("5","3","6","2","1","7","3","1") = "6"
    & skf21("5","3","6","2","1","7","4","1") = "6"
    & skf21("5","3","6","2","1","7","5","1") = "6"
    & skf21("5","3","6","2","1","7","6","1") = "6"
    & skf21("5","3","6","2","1","7","7","1") = "6"
    & skf21("5","3","6","2","2","1","1","1") = "5"
    & skf21("5","3","6","2","2","1","2","1") = "5"
    & skf21("5","3","6","2","2","1","3","1") = "5"
    & skf21("5","3","6","2","2","1","4","1") = "5"
    & skf21("5","3","6","2","2","1","5","1") = "5"
    & skf21("5","3","6","2","2","1","6","1") = "5"
    & skf21("5","3","6","2","2","1","7","1") = "6"
    & skf21("5","3","6","2","2","2","1","1") = "5"
    & skf21("5","3","6","2","2","2","2","1") = "5"
    & skf21("5","3","6","2","2","2","3","1") = "5"
    & skf21("5","3","6","2","2","2","4","1") = "5"
    & skf21("5","3","6","2","2","2","5","1") = "5"
    & skf21("5","3","6","2","2","2","6","1") = "5"
    & skf21("5","3","6","2","2","2","7","1") = "6"
    & skf21("5","3","6","2","2","3","1","1") = "5"
    & skf21("5","3","6","2","2","3","2","1") = "5"
    & skf21("5","3","6","2","2","3","3","1") = "5"
    & skf21("5","3","6","2","2","3","4","1") = "5"
    & skf21("5","3","6","2","2","3","5","1") = "5"
    & skf21("5","3","6","2","2","3","6","1") = "5"
    & skf21("5","3","6","2","2","3","7","1") = "6"
    & skf21("5","3","6","2","2","4","1","1") = "5"
    & skf21("5","3","6","2","2","4","2","1") = "5"
    & skf21("5","3","6","2","2","4","3","1") = "5"
    & skf21("5","3","6","2","2","4","4","1") = "5"
    & skf21("5","3","6","2","2","4","5","1") = "5"
    & skf21("5","3","6","2","2","4","6","1") = "5"
    & skf21("5","3","6","2","2","4","7","1") = "6"
    & skf21("5","3","6","2","2","5","1","1") = "5"
    & skf21("5","3","6","2","2","5","2","1") = "5"
    & skf21("5","3","6","2","2","5","3","1") = "5"
    & skf21("5","3","6","2","2","5","4","1") = "5"
    & skf21("5","3","6","2","2","5","5","1") = "5"
    & skf21("5","3","6","2","2","5","6","1") = "5"
    & skf21("5","3","6","2","2","5","7","1") = "6"
    & skf21("5","3","6","2","2","6","1","1") = "5"
    & skf21("5","3","6","2","2","6","2","1") = "5"
    & skf21("5","3","6","2","2","6","3","1") = "5"
    & skf21("5","3","6","2","2","6","4","1") = "5"
    & skf21("5","3","6","2","2","6","5","1") = "5"
    & skf21("5","3","6","2","2","6","6","1") = "5"
    & skf21("5","3","6","2","2","6","7","1") = "6"
    & skf21("5","3","6","2","2","7","1","1") = "6"
    & skf21("5","3","6","2","2","7","2","1") = "6"
    & skf21("5","3","6","2","2","7","3","1") = "6"
    & skf21("5","3","6","2","2","7","4","1") = "6"
    & skf21("5","3","6","2","2","7","5","1") = "6"
    & skf21("5","3","6","2","2","7","6","1") = "6"
    & skf21("5","3","6","2","2","7","7","1") = "6"
    & skf21("5","3","6","2","3","1","1","1") = "5"
    & skf21("5","3","6","2","3","1","2","1") = "5"
    & skf21("5","3","6","2","3","1","3","1") = "5"
    & skf21("5","3","6","2","3","1","4","1") = "5"
    & skf21("5","3","6","2","3","1","5","1") = "5"
    & skf21("5","3","6","2","3","1","6","1") = "5"
    & skf21("5","3","6","2","3","1","7","1") = "6"
    & skf21("5","3","6","2","3","2","1","1") = "5"
    & skf21("5","3","6","2","3","2","2","1") = "5"
    & skf21("5","3","6","2","3","2","3","1") = "5"
    & skf21("5","3","6","2","3","2","4","1") = "5"
    & skf21("5","3","6","2","3","2","5","1") = "5"
    & skf21("5","3","6","2","3","2","6","1") = "5"
    & skf21("5","3","6","2","3","2","7","1") = "6"
    & skf21("5","3","6","2","3","3","1","1") = "5"
    & skf21("5","3","6","2","3","3","2","1") = "5"
    & skf21("5","3","6","2","3","3","3","1") = "5"
    & skf21("5","3","6","2","3","3","4","1") = "5"
    & skf21("5","3","6","2","3","3","5","1") = "5"
    & skf21("5","3","6","2","3","3","6","1") = "5"
    & skf21("5","3","6","2","3","3","7","1") = "6"
    & skf21("5","3","6","2","3","4","1","1") = "5"
    & skf21("5","3","6","2","3","4","2","1") = "5"
    & skf21("5","3","6","2","3","4","3","1") = "5"
    & skf21("5","3","6","2","3","4","4","1") = "5"
    & skf21("5","3","6","2","3","4","5","1") = "5"
    & skf21("5","3","6","2","3","4","6","1") = "5"
    & skf21("5","3","6","2","3","4","7","1") = "6"
    & skf21("5","3","6","2","3","5","1","1") = "5"
    & skf21("5","3","6","2","3","5","2","1") = "5"
    & skf21("5","3","6","2","3","5","3","1") = "5"
    & skf21("5","3","6","2","3","5","4","1") = "5"
    & skf21("5","3","6","2","3","5","5","1") = "5"
    & skf21("5","3","6","2","3","5","6","1") = "5"
    & skf21("5","3","6","2","3","5","7","1") = "6"
    & skf21("5","3","6","2","3","6","1","1") = "5"
    & skf21("5","3","6","2","3","6","2","1") = "5"
    & skf21("5","3","6","2","3","6","3","1") = "5"
    & skf21("5","3","6","2","3","6","4","1") = "5"
    & skf21("5","3","6","2","3","6","5","1") = "5"
    & skf21("5","3","6","2","3","6","6","1") = "5"
    & skf21("5","3","6","2","3","6","7","1") = "6"
    & skf21("5","3","6","2","3","7","1","1") = "6"
    & skf21("5","3","6","2","3","7","2","1") = "6"
    & skf21("5","3","6","2","3","7","3","1") = "6"
    & skf21("5","3","6","2","3","7","4","1") = "6"
    & skf21("5","3","6","2","3","7","5","1") = "6"
    & skf21("5","3","6","2","3","7","6","1") = "6"
    & skf21("5","3","6","2","3","7","7","1") = "6"
    & skf21("5","3","6","2","4","1","1","1") = "5"
    & skf21("5","3","6","2","4","1","2","1") = "5"
    & skf21("5","3","6","2","4","1","3","1") = "5"
    & skf21("5","3","6","2","4","1","4","1") = "5"
    & skf21("5","3","6","2","4","1","5","1") = "5"
    & skf21("5","3","6","2","4","1","6","1") = "5"
    & skf21("5","3","6","2","4","1","7","1") = "6"
    & skf21("5","3","6","2","4","2","1","1") = "5"
    & skf21("5","3","6","2","4","2","2","1") = "5"
    & skf21("5","3","6","2","4","2","3","1") = "5"
    & skf21("5","3","6","2","4","2","4","1") = "5"
    & skf21("5","3","6","2","4","2","5","1") = "5"
    & skf21("5","3","6","2","4","2","6","1") = "5"
    & skf21("5","3","6","2","4","2","7","1") = "6"
    & skf21("5","3","6","2","4","3","1","1") = "5"
    & skf21("5","3","6","2","4","3","2","1") = "5"
    & skf21("5","3","6","2","4","3","3","1") = "5"
    & skf21("5","3","6","2","4","3","4","1") = "5"
    & skf21("5","3","6","2","4","3","5","1") = "5"
    & skf21("5","3","6","2","4","3","6","1") = "5"
    & skf21("5","3","6","2","4","3","7","1") = "6"
    & skf21("5","3","6","2","4","4","1","1") = "5"
    & skf21("5","3","6","2","4","4","2","1") = "5"
    & skf21("5","3","6","2","4","4","3","1") = "5"
    & skf21("5","3","6","2","4","4","4","1") = "5"
    & skf21("5","3","6","2","4","4","5","1") = "5"
    & skf21("5","3","6","2","4","4","6","1") = "5"
    & skf21("5","3","6","2","4","4","7","1") = "6"
    & skf21("5","3","6","2","4","5","1","1") = "5"
    & skf21("5","3","6","2","4","5","2","1") = "5"
    & skf21("5","3","6","2","4","5","3","1") = "5"
    & skf21("5","3","6","2","4","5","4","1") = "5"
    & skf21("5","3","6","2","4","5","5","1") = "5"
    & skf21("5","3","6","2","4","5","6","1") = "5"
    & skf21("5","3","6","2","4","5","7","1") = "6"
    & skf21("5","3","6","2","4","6","1","1") = "5"
    & skf21("5","3","6","2","4","6","2","1") = "5"
    & skf21("5","3","6","2","4","6","3","1") = "5"
    & skf21("5","3","6","2","4","6","4","1") = "5"
    & skf21("5","3","6","2","4","6","5","1") = "5"
    & skf21("5","3","6","2","4","6","6","1") = "5"
    & skf21("5","3","6","2","4","6","7","1") = "6"
    & skf21("5","3","6","2","4","7","1","1") = "6"
    & skf21("5","3","6","2","4","7","2","1") = "6"
    & skf21("5","3","6","2","4","7","3","1") = "6"
    & skf21("5","3","6","2","4","7","4","1") = "6"
    & skf21("5","3","6","2","4","7","5","1") = "6"
    & skf21("5","3","6","2","4","7","6","1") = "6"
    & skf21("5","3","6","2","4","7","7","1") = "6"
    & skf21("5","3","6","2","5","1","1","1") = "5"
    & skf21("5","3","6","2","5","1","2","1") = "5"
    & skf21("5","3","6","2","5","1","3","1") = "5"
    & skf21("5","3","6","2","5","1","4","1") = "5"
    & skf21("5","3","6","2","5","1","5","1") = "5"
    & skf21("5","3","6","2","5","1","6","1") = "5"
    & skf21("5","3","6","2","5","1","7","1") = "6"
    & skf21("5","3","6","2","5","2","1","1") = "5"
    & skf21("5","3","6","2","5","2","2","1") = "5"
    & skf21("5","3","6","2","5","2","3","1") = "5"
    & skf21("5","3","6","2","5","2","4","1") = "5"
    & skf21("5","3","6","2","5","2","5","1") = "5"
    & skf21("5","3","6","2","5","2","6","1") = "5"
    & skf21("5","3","6","2","5","2","7","1") = "6"
    & skf21("5","3","6","2","5","3","1","1") = "5"
    & skf21("5","3","6","2","5","3","2","1") = "5"
    & skf21("5","3","6","2","5","3","3","1") = "5"
    & skf21("5","3","6","2","5","3","4","1") = "5"
    & skf21("5","3","6","2","5","3","5","1") = "5"
    & skf21("5","3","6","2","5","3","6","1") = "5"
    & skf21("5","3","6","2","5","3","7","1") = "6"
    & skf21("5","3","6","2","5","4","1","1") = "5"
    & skf21("5","3","6","2","5","4","2","1") = "5"
    & skf21("5","3","6","2","5","4","3","1") = "5"
    & skf21("5","3","6","2","5","4","4","1") = "5"
    & skf21("5","3","6","2","5","4","5","1") = "5"
    & skf21("5","3","6","2","5","4","6","1") = "5"
    & skf21("5","3","6","2","5","4","7","1") = "6"
    & skf21("5","3","6","2","5","5","1","1") = "5"
    & skf21("5","3","6","2","5","5","2","1") = "5"
    & skf21("5","3","6","2","5","5","3","1") = "5"
    & skf21("5","3","6","2","5","5","4","1") = "5"
    & skf21("5","3","6","2","5","5","5","1") = "5"
    & skf21("5","3","6","2","5","5","6","1") = "5"
    & skf21("5","3","6","2","5","5","7","1") = "6"
    & skf21("5","3","6","2","5","6","1","1") = "5"
    & skf21("5","3","6","2","5","6","2","1") = "5"
    & skf21("5","3","6","2","5","6","3","1") = "5"
    & skf21("5","3","6","2","5","6","4","1") = "5"
    & skf21("5","3","6","2","5","6","5","1") = "5"
    & skf21("5","3","6","2","5","6","6","1") = "5"
    & skf21("5","3","6","2","5","6","7","1") = "6"
    & skf21("5","3","6","2","5","7","1","1") = "6"
    & skf21("5","3","6","2","5","7","2","1") = "6"
    & skf21("5","3","6","2","5","7","3","1") = "6"
    & skf21("5","3","6","2","5","7","4","1") = "6"
    & skf21("5","3","6","2","5","7","5","1") = "6"
    & skf21("5","3","6","2","5","7","6","1") = "6"
    & skf21("5","3","6","2","5","7","7","1") = "6"
    & skf21("5","3","6","2","6","1","1","1") = "5"
    & skf21("5","3","6","2","6","1","2","1") = "5"
    & skf21("5","3","6","2","6","1","3","1") = "5"
    & skf21("5","3","6","2","6","1","4","1") = "5"
    & skf21("5","3","6","2","6","1","5","1") = "5"
    & skf21("5","3","6","2","6","1","6","1") = "5"
    & skf21("5","3","6","2","6","1","7","1") = "6"
    & skf21("5","3","6","2","6","2","1","1") = "5"
    & skf21("5","3","6","2","6","2","2","1") = "5"
    & skf21("5","3","6","2","6","2","3","1") = "5"
    & skf21("5","3","6","2","6","2","4","1") = "5"
    & skf21("5","3","6","2","6","2","5","1") = "5"
    & skf21("5","3","6","2","6","2","6","1") = "5"
    & skf21("5","3","6","2","6","2","7","1") = "6"
    & skf21("5","3","6","2","6","3","1","1") = "5"
    & skf21("5","3","6","2","6","3","2","1") = "5"
    & skf21("5","3","6","2","6","3","3","1") = "5"
    & skf21("5","3","6","2","6","3","4","1") = "5"
    & skf21("5","3","6","2","6","3","5","1") = "5"
    & skf21("5","3","6","2","6","3","6","1") = "5"
    & skf21("5","3","6","2","6","3","7","1") = "6"
    & skf21("5","3","6","2","6","4","1","1") = "5"
    & skf21("5","3","6","2","6","4","2","1") = "5"
    & skf21("5","3","6","2","6","4","3","1") = "5"
    & skf21("5","3","6","2","6","4","4","1") = "5"
    & skf21("5","3","6","2","6","4","5","1") = "5"
    & skf21("5","3","6","2","6","4","6","1") = "5"
    & skf21("5","3","6","2","6","4","7","1") = "6"
    & skf21("5","3","6","2","6","5","1","1") = "5"
    & skf21("5","3","6","2","6","5","2","1") = "5"
    & skf21("5","3","6","2","6","5","3","1") = "5"
    & skf21("5","3","6","2","6","5","4","1") = "5"
    & skf21("5","3","6","2","6","5","5","1") = "5"
    & skf21("5","3","6","2","6","5","6","1") = "5"
    & skf21("5","3","6","2","6","5","7","1") = "6"
    & skf21("5","3","6","2","6","6","1","1") = "5"
    & skf21("5","3","6","2","6","6","2","1") = "5"
    & skf21("5","3","6","2","6","6","3","1") = "5"
    & skf21("5","3","6","2","6","6","4","1") = "5"
    & skf21("5","3","6","2","6","6","5","1") = "5"
    & skf21("5","3","6","2","6","6","6","1") = "5"
    & skf21("5","3","6","2","6","6","7","1") = "6"
    & skf21("5","3","6","2","6","7","1","1") = "6"
    & skf21("5","3","6","2","6","7","2","1") = "6"
    & skf21("5","3","6","2","6","7","3","1") = "6"
    & skf21("5","3","6","2","6","7","4","1") = "6"
    & skf21("5","3","6","2","6","7","5","1") = "6"
    & skf21("5","3","6","2","6","7","6","1") = "6"
    & skf21("5","3","6","2","6","7","7","1") = "6"
    & skf21("5","3","6","2","7","1","1","1") = "6"
    & skf21("5","3","6","2","7","1","2","1") = "6"
    & skf21("5","3","6","2","7","1","3","1") = "6"
    & skf21("5","3","6","2","7","1","4","1") = "6"
    & skf21("5","3","6","2","7","1","5","1") = "6"
    & skf21("5","3","6","2","7","1","6","1") = "6"
    & skf21("5","3","6","2","7","1","7","1") = "6"
    & skf21("5","3","6","2","7","2","1","1") = "6"
    & skf21("5","3","6","2","7","2","2","1") = "6"
    & skf21("5","3","6","2","7","2","3","1") = "6"
    & skf21("5","3","6","2","7","2","4","1") = "6"
    & skf21("5","3","6","2","7","2","5","1") = "6"
    & skf21("5","3","6","2","7","2","6","1") = "6"
    & skf21("5","3","6","2","7","2","7","1") = "6"
    & skf21("5","3","6","2","7","3","1","1") = "6"
    & skf21("5","3","6","2","7","3","2","1") = "6"
    & skf21("5","3","6","2","7","3","3","1") = "6"
    & skf21("5","3","6","2","7","3","4","1") = "6"
    & skf21("5","3","6","2","7","3","5","1") = "6"
    & skf21("5","3","6","2","7","3","6","1") = "6"
    & skf21("5","3","6","2","7","3","7","1") = "6"
    & skf21("5","3","6","2","7","4","1","1") = "6"
    & skf21("5","3","6","2","7","4","2","1") = "6"
    & skf21("5","3","6","2","7","4","3","1") = "6"
    & skf21("5","3","6","2","7","4","4","1") = "6"
    & skf21("5","3","6","2","7","4","5","1") = "6"
    & skf21("5","3","6","2","7","4","6","1") = "6"
    & skf21("5","3","6","2","7","4","7","1") = "6"
    & skf21("5","3","6","2","7","5","1","1") = "6"
    & skf21("5","3","6","2","7","5","2","1") = "6"
    & skf21("5","3","6","2","7","5","3","1") = "6"
    & skf21("5","3","6","2","7","5","4","1") = "6"
    & skf21("5","3","6","2","7","5","5","1") = "6"
    & skf21("5","3","6","2","7","5","6","1") = "6"
    & skf21("5","3","6","2","7","5","7","1") = "6"
    & skf21("5","3","6","2","7","6","1","1") = "6"
    & skf21("5","3","6","2","7","6","2","1") = "6"
    & skf21("5","3","6","2","7","6","3","1") = "6"
    & skf21("5","3","6","2","7","6","4","1") = "6"
    & skf21("5","3","6","2","7","6","5","1") = "6"
    & skf21("5","3","6","2","7","6","6","1") = "6"
    & skf21("5","3","6","2","7","6","7","1") = "6"
    & skf21("5","3","6","2","7","7","1","1") = "6"
    & skf21("5","3","6","2","7","7","2","1") = "6"
    & skf21("5","3","6","2","7","7","3","1") = "6"
    & skf21("5","3","6","2","7","7","4","1") = "6"
    & skf21("5","3","6","2","7","7","5","1") = "6"
    & skf21("5","3","6","2","7","7","6","1") = "6"
    & skf21("5","3","6","2","7","7","7","1") = "6"
    & skf21("5","3","6","3","1","1","1","1") = "5"
    & skf21("5","3","6","3","1","1","2","1") = "5"
    & skf21("5","3","6","3","1","1","3","1") = "5"
    & skf21("5","3","6","3","1","1","4","1") = "5"
    & skf21("5","3","6","3","1","1","5","1") = "5"
    & skf21("5","3","6","3","1","1","6","1") = "5"
    & skf21("5","3","6","3","1","1","7","1") = "6"
    & skf21("5","3","6","3","1","2","1","1") = "5"
    & skf21("5","3","6","3","1","2","2","1") = "5"
    & skf21("5","3","6","3","1","2","3","1") = "5"
    & skf21("5","3","6","3","1","2","4","1") = "5"
    & skf21("5","3","6","3","1","2","5","1") = "5"
    & skf21("5","3","6","3","1","2","6","1") = "5"
    & skf21("5","3","6","3","1","2","7","1") = "6"
    & skf21("5","3","6","3","1","3","1","1") = "5"
    & skf21("5","3","6","3","1","3","2","1") = "5"
    & skf21("5","3","6","3","1","3","3","1") = "5"
    & skf21("5","3","6","3","1","3","4","1") = "5"
    & skf21("5","3","6","3","1","3","5","1") = "5"
    & skf21("5","3","6","3","1","3","6","1") = "5"
    & skf21("5","3","6","3","1","3","7","1") = "6"
    & skf21("5","3","6","3","1","4","1","1") = "5"
    & skf21("5","3","6","3","1","4","2","1") = "5"
    & skf21("5","3","6","3","1","4","3","1") = "5"
    & skf21("5","3","6","3","1","4","4","1") = "5"
    & skf21("5","3","6","3","1","4","5","1") = "5"
    & skf21("5","3","6","3","1","4","6","1") = "5"
    & skf21("5","3","6","3","1","4","7","1") = "6"
    & skf21("5","3","6","3","1","5","1","1") = "5"
    & skf21("5","3","6","3","1","5","2","1") = "5"
    & skf21("5","3","6","3","1","5","3","1") = "5"
    & skf21("5","3","6","3","1","5","4","1") = "5"
    & skf21("5","3","6","3","1","5","5","1") = "5"
    & skf21("5","3","6","3","1","5","6","1") = "5"
    & skf21("5","3","6","3","1","5","7","1") = "6"
    & skf21("5","3","6","3","1","6","1","1") = "5"
    & skf21("5","3","6","3","1","6","2","1") = "5"
    & skf21("5","3","6","3","1","6","3","1") = "5"
    & skf21("5","3","6","3","1","6","4","1") = "5"
    & skf21("5","3","6","3","1","6","5","1") = "5"
    & skf21("5","3","6","3","1","6","6","1") = "5"
    & skf21("5","3","6","3","1","6","7","1") = "6"
    & skf21("5","3","6","3","1","7","1","1") = "6"
    & skf21("5","3","6","3","1","7","2","1") = "6"
    & skf21("5","3","6","3","1","7","3","1") = "6"
    & skf21("5","3","6","3","1","7","4","1") = "6"
    & skf21("5","3","6","3","1","7","5","1") = "6"
    & skf21("5","3","6","3","1","7","6","1") = "6"
    & skf21("5","3","6","3","1","7","7","1") = "6"
    & skf21("5","3","6","3","2","1","1","1") = "5"
    & skf21("5","3","6","3","2","1","2","1") = "5"
    & skf21("5","3","6","3","2","1","3","1") = "5"
    & skf21("5","3","6","3","2","1","4","1") = "5"
    & skf21("5","3","6","3","2","1","5","1") = "5"
    & skf21("5","3","6","3","2","1","6","1") = "5"
    & skf21("5","3","6","3","2","1","7","1") = "6"
    & skf21("5","3","6","3","2","2","1","1") = "5"
    & skf21("5","3","6","3","2","2","2","1") = "5"
    & skf21("5","3","6","3","2","2","3","1") = "5"
    & skf21("5","3","6","3","2","2","4","1") = "5"
    & skf21("5","3","6","3","2","2","5","1") = "5"
    & skf21("5","3","6","3","2","2","6","1") = "5"
    & skf21("5","3","6","3","2","2","7","1") = "6"
    & skf21("5","3","6","3","2","3","1","1") = "5"
    & skf21("5","3","6","3","2","3","2","1") = "5"
    & skf21("5","3","6","3","2","3","3","1") = "5"
    & skf21("5","3","6","3","2","3","4","1") = "5"
    & skf21("5","3","6","3","2","3","5","1") = "5"
    & skf21("5","3","6","3","2","3","6","1") = "5"
    & skf21("5","3","6","3","2","3","7","1") = "6"
    & skf21("5","3","6","3","2","4","1","1") = "5"
    & skf21("5","3","6","3","2","4","2","1") = "5"
    & skf21("5","3","6","3","2","4","3","1") = "5"
    & skf21("5","3","6","3","2","4","4","1") = "5"
    & skf21("5","3","6","3","2","4","5","1") = "5"
    & skf21("5","3","6","3","2","4","6","1") = "5"
    & skf21("5","3","6","3","2","4","7","1") = "6"
    & skf21("5","3","6","3","2","5","1","1") = "5"
    & skf21("5","3","6","3","2","5","2","1") = "5"
    & skf21("5","3","6","3","2","5","3","1") = "5"
    & skf21("5","3","6","3","2","5","4","1") = "5"
    & skf21("5","3","6","3","2","5","5","1") = "5"
    & skf21("5","3","6","3","2","5","6","1") = "5"
    & skf21("5","3","6","3","2","5","7","1") = "6"
    & skf21("5","3","6","3","2","6","1","1") = "5"
    & skf21("5","3","6","3","2","6","2","1") = "5"
    & skf21("5","3","6","3","2","6","3","1") = "5"
    & skf21("5","3","6","3","2","6","4","1") = "5"
    & skf21("5","3","6","3","2","6","5","1") = "5"
    & skf21("5","3","6","3","2","6","6","1") = "5"
    & skf21("5","3","6","3","2","6","7","1") = "6"
    & skf21("5","3","6","3","2","7","1","1") = "6"
    & skf21("5","3","6","3","2","7","2","1") = "6"
    & skf21("5","3","6","3","2","7","3","1") = "6"
    & skf21("5","3","6","3","2","7","4","1") = "6"
    & skf21("5","3","6","3","2","7","5","1") = "6"
    & skf21("5","3","6","3","2","7","6","1") = "6"
    & skf21("5","3","6","3","2","7","7","1") = "6"
    & skf21("5","3","6","3","3","1","1","1") = "5"
    & skf21("5","3","6","3","3","1","2","1") = "5"
    & skf21("5","3","6","3","3","1","3","1") = "5"
    & skf21("5","3","6","3","3","1","4","1") = "5"
    & skf21("5","3","6","3","3","1","5","1") = "5"
    & skf21("5","3","6","3","3","1","6","1") = "5"
    & skf21("5","3","6","3","3","1","7","1") = "6"
    & skf21("5","3","6","3","3","2","1","1") = "5"
    & skf21("5","3","6","3","3","2","2","1") = "5"
    & skf21("5","3","6","3","3","2","3","1") = "5"
    & skf21("5","3","6","3","3","2","4","1") = "5"
    & skf21("5","3","6","3","3","2","5","1") = "5"
    & skf21("5","3","6","3","3","2","6","1") = "5"
    & skf21("5","3","6","3","3","2","7","1") = "6"
    & skf21("5","3","6","3","3","3","1","1") = "5"
    & skf21("5","3","6","3","3","3","2","1") = "5"
    & skf21("5","3","6","3","3","3","3","1") = "5"
    & skf21("5","3","6","3","3","3","4","1") = "5"
    & skf21("5","3","6","3","3","3","5","1") = "5"
    & skf21("5","3","6","3","3","3","6","1") = "5"
    & skf21("5","3","6","3","3","3","7","1") = "6"
    & skf21("5","3","6","3","3","4","1","1") = "5"
    & skf21("5","3","6","3","3","4","2","1") = "5"
    & skf21("5","3","6","3","3","4","3","1") = "5"
    & skf21("5","3","6","3","3","4","4","1") = "5"
    & skf21("5","3","6","3","3","4","5","1") = "5"
    & skf21("5","3","6","3","3","4","6","1") = "5"
    & skf21("5","3","6","3","3","4","7","1") = "6"
    & skf21("5","3","6","3","3","5","1","1") = "5"
    & skf21("5","3","6","3","3","5","2","1") = "5"
    & skf21("5","3","6","3","3","5","3","1") = "5"
    & skf21("5","3","6","3","3","5","4","1") = "5"
    & skf21("5","3","6","3","3","5","5","1") = "5"
    & skf21("5","3","6","3","3","5","6","1") = "5"
    & skf21("5","3","6","3","3","5","7","1") = "6"
    & skf21("5","3","6","3","3","6","1","1") = "5"
    & skf21("5","3","6","3","3","6","2","1") = "5"
    & skf21("5","3","6","3","3","6","3","1") = "5"
    & skf21("5","3","6","3","3","6","4","1") = "5"
    & skf21("5","3","6","3","3","6","5","1") = "5"
    & skf21("5","3","6","3","3","6","6","1") = "5"
    & skf21("5","3","6","3","3","6","7","1") = "6"
    & skf21("5","3","6","3","3","7","1","1") = "6"
    & skf21("5","3","6","3","3","7","2","1") = "6"
    & skf21("5","3","6","3","3","7","3","1") = "6"
    & skf21("5","3","6","3","3","7","4","1") = "6"
    & skf21("5","3","6","3","3","7","5","1") = "6"
    & skf21("5","3","6","3","3","7","6","1") = "6"
    & skf21("5","3","6","3","3","7","7","1") = "6"
    & skf21("5","3","6","3","4","1","1","1") = "5"
    & skf21("5","3","6","3","4","1","2","1") = "5"
    & skf21("5","3","6","3","4","1","3","1") = "5"
    & skf21("5","3","6","3","4","1","4","1") = "5"
    & skf21("5","3","6","3","4","1","5","1") = "5"
    & skf21("5","3","6","3","4","1","6","1") = "5"
    & skf21("5","3","6","3","4","1","7","1") = "6"
    & skf21("5","3","6","3","4","2","1","1") = "5"
    & skf21("5","3","6","3","4","2","2","1") = "5"
    & skf21("5","3","6","3","4","2","3","1") = "5"
    & skf21("5","3","6","3","4","2","4","1") = "5"
    & skf21("5","3","6","3","4","2","5","1") = "5"
    & skf21("5","3","6","3","4","2","6","1") = "5"
    & skf21("5","3","6","3","4","2","7","1") = "6"
    & skf21("5","3","6","3","4","3","1","1") = "5"
    & skf21("5","3","6","3","4","3","2","1") = "5"
    & skf21("5","3","6","3","4","3","3","1") = "5"
    & skf21("5","3","6","3","4","3","4","1") = "5"
    & skf21("5","3","6","3","4","3","5","1") = "5"
    & skf21("5","3","6","3","4","3","6","1") = "5"
    & skf21("5","3","6","3","4","3","7","1") = "6"
    & skf21("5","3","6","3","4","4","1","1") = "5"
    & skf21("5","3","6","3","4","4","2","1") = "5"
    & skf21("5","3","6","3","4","4","3","1") = "5"
    & skf21("5","3","6","3","4","4","4","1") = "5"
    & skf21("5","3","6","3","4","4","5","1") = "5"
    & skf21("5","3","6","3","4","4","6","1") = "5"
    & skf21("5","3","6","3","4","4","7","1") = "6"
    & skf21("5","3","6","3","4","5","1","1") = "5"
    & skf21("5","3","6","3","4","5","2","1") = "5"
    & skf21("5","3","6","3","4","5","3","1") = "5"
    & skf21("5","3","6","3","4","5","4","1") = "5"
    & skf21("5","3","6","3","4","5","5","1") = "5"
    & skf21("5","3","6","3","4","5","6","1") = "5"
    & skf21("5","3","6","3","4","5","7","1") = "6"
    & skf21("5","3","6","3","4","6","1","1") = "5"
    & skf21("5","3","6","3","4","6","2","1") = "5"
    & skf21("5","3","6","3","4","6","3","1") = "5"
    & skf21("5","3","6","3","4","6","4","1") = "5"
    & skf21("5","3","6","3","4","6","5","1") = "5"
    & skf21("5","3","6","3","4","6","6","1") = "5"
    & skf21("5","3","6","3","4","6","7","1") = "6"
    & skf21("5","3","6","3","4","7","1","1") = "6"
    & skf21("5","3","6","3","4","7","2","1") = "6"
    & skf21("5","3","6","3","4","7","3","1") = "6"
    & skf21("5","3","6","3","4","7","4","1") = "6"
    & skf21("5","3","6","3","4","7","5","1") = "6"
    & skf21("5","3","6","3","4","7","6","1") = "6"
    & skf21("5","3","6","3","4","7","7","1") = "6"
    & skf21("5","3","6","3","5","1","1","1") = "5"
    & skf21("5","3","6","3","5","1","2","1") = "5"
    & skf21("5","3","6","3","5","1","3","1") = "5"
    & skf21("5","3","6","3","5","1","4","1") = "5"
    & skf21("5","3","6","3","5","1","5","1") = "5"
    & skf21("5","3","6","3","5","1","6","1") = "5"
    & skf21("5","3","6","3","5","1","7","1") = "6"
    & skf21("5","3","6","3","5","2","1","1") = "5"
    & skf21("5","3","6","3","5","2","2","1") = "5"
    & skf21("5","3","6","3","5","2","3","1") = "5"
    & skf21("5","3","6","3","5","2","4","1") = "5"
    & skf21("5","3","6","3","5","2","5","1") = "5"
    & skf21("5","3","6","3","5","2","6","1") = "5"
    & skf21("5","3","6","3","5","2","7","1") = "6"
    & skf21("5","3","6","3","5","3","1","1") = "5"
    & skf21("5","3","6","3","5","3","2","1") = "5"
    & skf21("5","3","6","3","5","3","3","1") = "5"
    & skf21("5","3","6","3","5","3","4","1") = "5"
    & skf21("5","3","6","3","5","3","5","1") = "5"
    & skf21("5","3","6","3","5","3","6","1") = "5"
    & skf21("5","3","6","3","5","3","7","1") = "6"
    & skf21("5","3","6","3","5","4","1","1") = "5"
    & skf21("5","3","6","3","5","4","2","1") = "5"
    & skf21("5","3","6","3","5","4","3","1") = "5"
    & skf21("5","3","6","3","5","4","4","1") = "5"
    & skf21("5","3","6","3","5","4","5","1") = "5"
    & skf21("5","3","6","3","5","4","6","1") = "5"
    & skf21("5","3","6","3","5","4","7","1") = "6"
    & skf21("5","3","6","3","5","5","1","1") = "5"
    & skf21("5","3","6","3","5","5","2","1") = "5"
    & skf21("5","3","6","3","5","5","3","1") = "5"
    & skf21("5","3","6","3","5","5","4","1") = "5"
    & skf21("5","3","6","3","5","5","5","1") = "5"
    & skf21("5","3","6","3","5","5","6","1") = "5"
    & skf21("5","3","6","3","5","5","7","1") = "6"
    & skf21("5","3","6","3","5","6","1","1") = "5"
    & skf21("5","3","6","3","5","6","2","1") = "5"
    & skf21("5","3","6","3","5","6","3","1") = "5"
    & skf21("5","3","6","3","5","6","4","1") = "5"
    & skf21("5","3","6","3","5","6","5","1") = "5"
    & skf21("5","3","6","3","5","6","6","1") = "5"
    & skf21("5","3","6","3","5","6","7","1") = "6"
    & skf21("5","3","6","3","5","7","1","1") = "6"
    & skf21("5","3","6","3","5","7","2","1") = "6"
    & skf21("5","3","6","3","5","7","3","1") = "6"
    & skf21("5","3","6","3","5","7","4","1") = "6"
    & skf21("5","3","6","3","5","7","5","1") = "6"
    & skf21("5","3","6","3","5","7","6","1") = "6"
    & skf21("5","3","6","3","5","7","7","1") = "6"
    & skf21("5","3","6","3","6","1","1","1") = "5"
    & skf21("5","3","6","3","6","1","2","1") = "5"
    & skf21("5","3","6","3","6","1","3","1") = "5"
    & skf21("5","3","6","3","6","1","4","1") = "5"
    & skf21("5","3","6","3","6","1","5","1") = "5"
    & skf21("5","3","6","3","6","1","6","1") = "5"
    & skf21("5","3","6","3","6","1","7","1") = "6"
    & skf21("5","3","6","3","6","2","1","1") = "5"
    & skf21("5","3","6","3","6","2","2","1") = "5"
    & skf21("5","3","6","3","6","2","3","1") = "5"
    & skf21("5","3","6","3","6","2","4","1") = "5"
    & skf21("5","3","6","3","6","2","5","1") = "5"
    & skf21("5","3","6","3","6","2","6","1") = "5"
    & skf21("5","3","6","3","6","2","7","1") = "6"
    & skf21("5","3","6","3","6","3","1","1") = "5"
    & skf21("5","3","6","3","6","3","2","1") = "5"
    & skf21("5","3","6","3","6","3","3","1") = "5"
    & skf21("5","3","6","3","6","3","4","1") = "5"
    & skf21("5","3","6","3","6","3","5","1") = "5"
    & skf21("5","3","6","3","6","3","6","1") = "5"
    & skf21("5","3","6","3","6","3","7","1") = "6"
    & skf21("5","3","6","3","6","4","1","1") = "5"
    & skf21("5","3","6","3","6","4","2","1") = "5"
    & skf21("5","3","6","3","6","4","3","1") = "5"
    & skf21("5","3","6","3","6","4","4","1") = "5"
    & skf21("5","3","6","3","6","4","5","1") = "5"
    & skf21("5","3","6","3","6","4","6","1") = "5"
    & skf21("5","3","6","3","6","4","7","1") = "6"
    & skf21("5","3","6","3","6","5","1","1") = "5"
    & skf21("5","3","6","3","6","5","2","1") = "5"
    & skf21("5","3","6","3","6","5","3","1") = "5"
    & skf21("5","3","6","3","6","5","4","1") = "5"
    & skf21("5","3","6","3","6","5","5","1") = "5"
    & skf21("5","3","6","3","6","5","6","1") = "5"
    & skf21("5","3","6","3","6","5","7","1") = "6"
    & skf21("5","3","6","3","6","6","1","1") = "5"
    & skf21("5","3","6","3","6","6","2","1") = "5"
    & skf21("5","3","6","3","6","6","3","1") = "5"
    & skf21("5","3","6","3","6","6","4","1") = "5"
    & skf21("5","3","6","3","6","6","5","1") = "5"
    & skf21("5","3","6","3","6","6","6","1") = "5"
    & skf21("5","3","6","3","6","6","7","1") = "6"
    & skf21("5","3","6","3","6","7","1","1") = "6"
    & skf21("5","3","6","3","6","7","2","1") = "6"
    & skf21("5","3","6","3","6","7","3","1") = "6"
    & skf21("5","3","6","3","6","7","4","1") = "6"
    & skf21("5","3","6","3","6","7","5","1") = "6"
    & skf21("5","3","6","3","6","7","6","1") = "6"
    & skf21("5","3","6","3","6","7","7","1") = "6"
    & skf21("5","3","6","3","7","1","1","1") = "6"
    & skf21("5","3","6","3","7","1","2","1") = "6"
    & skf21("5","3","6","3","7","1","3","1") = "6"
    & skf21("5","3","6","3","7","1","4","1") = "6"
    & skf21("5","3","6","3","7","1","5","1") = "6"
    & skf21("5","3","6","3","7","1","6","1") = "6"
    & skf21("5","3","6","3","7","1","7","1") = "6"
    & skf21("5","3","6","3","7","2","1","1") = "6"
    & skf21("5","3","6","3","7","2","2","1") = "6"
    & skf21("5","3","6","3","7","2","3","1") = "6"
    & skf21("5","3","6","3","7","2","4","1") = "6"
    & skf21("5","3","6","3","7","2","5","1") = "6"
    & skf21("5","3","6","3","7","2","6","1") = "6"
    & skf21("5","3","6","3","7","2","7","1") = "6"
    & skf21("5","3","6","3","7","3","1","1") = "6"
    & skf21("5","3","6","3","7","3","2","1") = "6"
    & skf21("5","3","6","3","7","3","3","1") = "6"
    & skf21("5","3","6","3","7","3","4","1") = "6"
    & skf21("5","3","6","3","7","3","5","1") = "6"
    & skf21("5","3","6","3","7","3","6","1") = "6"
    & skf21("5","3","6","3","7","3","7","1") = "6"
    & skf21("5","3","6","3","7","4","1","1") = "6"
    & skf21("5","3","6","3","7","4","2","1") = "6"
    & skf21("5","3","6","3","7","4","3","1") = "6"
    & skf21("5","3","6","3","7","4","4","1") = "6"
    & skf21("5","3","6","3","7","4","5","1") = "6"
    & skf21("5","3","6","3","7","4","6","1") = "6"
    & skf21("5","3","6","3","7","4","7","1") = "6"
    & skf21("5","3","6","3","7","5","1","1") = "6"
    & skf21("5","3","6","3","7","5","2","1") = "6"
    & skf21("5","3","6","3","7","5","3","1") = "6"
    & skf21("5","3","6","3","7","5","4","1") = "6"
    & skf21("5","3","6","3","7","5","5","1") = "6"
    & skf21("5","3","6","3","7","5","6","1") = "6"
    & skf21("5","3","6","3","7","5","7","1") = "6"
    & skf21("5","3","6","3","7","6","1","1") = "6"
    & skf21("5","3","6","3","7","6","2","1") = "6"
    & skf21("5","3","6","3","7","6","3","1") = "6"
    & skf21("5","3","6","3","7","6","4","1") = "6"
    & skf21("5","3","6","3","7","6","5","1") = "6"
    & skf21("5","3","6","3","7","6","6","1") = "6"
    & skf21("5","3","6","3","7","6","7","1") = "6"
    & skf21("5","3","6","3","7","7","1","1") = "6"
    & skf21("5","3","6","3","7","7","2","1") = "6"
    & skf21("5","3","6","3","7","7","3","1") = "6"
    & skf21("5","3","6","3","7","7","4","1") = "6"
    & skf21("5","3","6","3","7","7","5","1") = "6"
    & skf21("5","3","6","3","7","7","6","1") = "6"
    & skf21("5","3","6","3","7","7","7","1") = "6"
    & skf21("5","3","6","4","1","1","1","1") = "5"
    & skf21("5","3","6","4","1","1","2","1") = "5"
    & skf21("5","3","6","4","1","1","3","1") = "5"
    & skf21("5","3","6","4","1","1","4","1") = "5"
    & skf21("5","3","6","4","1","1","5","1") = "5"
    & skf21("5","3","6","4","1","1","6","1") = "5"
    & skf21("5","3","6","4","1","1","7","1") = "6"
    & skf21("5","3","6","4","1","2","1","1") = "5"
    & skf21("5","3","6","4","1","2","2","1") = "5"
    & skf21("5","3","6","4","1","2","3","1") = "5"
    & skf21("5","3","6","4","1","2","4","1") = "5"
    & skf21("5","3","6","4","1","2","5","1") = "5"
    & skf21("5","3","6","4","1","2","6","1") = "5"
    & skf21("5","3","6","4","1","2","7","1") = "6"
    & skf21("5","3","6","4","1","3","1","1") = "5"
    & skf21("5","3","6","4","1","3","2","1") = "5"
    & skf21("5","3","6","4","1","3","3","1") = "5"
    & skf21("5","3","6","4","1","3","4","1") = "5"
    & skf21("5","3","6","4","1","3","5","1") = "5"
    & skf21("5","3","6","4","1","3","6","1") = "5"
    & skf21("5","3","6","4","1","3","7","1") = "6"
    & skf21("5","3","6","4","1","4","1","1") = "5"
    & skf21("5","3","6","4","1","4","2","1") = "5"
    & skf21("5","3","6","4","1","4","3","1") = "5"
    & skf21("5","3","6","4","1","4","4","1") = "5"
    & skf21("5","3","6","4","1","4","5","1") = "5"
    & skf21("5","3","6","4","1","4","6","1") = "5"
    & skf21("5","3","6","4","1","4","7","1") = "6"
    & skf21("5","3","6","4","1","5","1","1") = "5"
    & skf21("5","3","6","4","1","5","2","1") = "5"
    & skf21("5","3","6","4","1","5","3","1") = "5"
    & skf21("5","3","6","4","1","5","4","1") = "5"
    & skf21("5","3","6","4","1","5","5","1") = "5"
    & skf21("5","3","6","4","1","5","6","1") = "5"
    & skf21("5","3","6","4","1","5","7","1") = "6"
    & skf21("5","3","6","4","1","6","1","1") = "5"
    & skf21("5","3","6","4","1","6","2","1") = "5"
    & skf21("5","3","6","4","1","6","3","1") = "5"
    & skf21("5","3","6","4","1","6","4","1") = "5"
    & skf21("5","3","6","4","1","6","5","1") = "5"
    & skf21("5","3","6","4","1","6","6","1") = "5"
    & skf21("5","3","6","4","1","6","7","1") = "6"
    & skf21("5","3","6","4","1","7","1","1") = "6"
    & skf21("5","3","6","4","1","7","2","1") = "6"
    & skf21("5","3","6","4","1","7","3","1") = "6"
    & skf21("5","3","6","4","1","7","4","1") = "6"
    & skf21("5","3","6","4","1","7","5","1") = "6"
    & skf21("5","3","6","4","1","7","6","1") = "6"
    & skf21("5","3","6","4","1","7","7","1") = "6"
    & skf21("5","3","6","4","2","1","1","1") = "5"
    & skf21("5","3","6","4","2","1","2","1") = "5"
    & skf21("5","3","6","4","2","1","3","1") = "5"
    & skf21("5","3","6","4","2","1","4","1") = "5"
    & skf21("5","3","6","4","2","1","5","1") = "5"
    & skf21("5","3","6","4","2","1","6","1") = "5"
    & skf21("5","3","6","4","2","1","7","1") = "6"
    & skf21("5","3","6","4","2","2","1","1") = "5"
    & skf21("5","3","6","4","2","2","2","1") = "5"
    & skf21("5","3","6","4","2","2","3","1") = "5"
    & skf21("5","3","6","4","2","2","4","1") = "5"
    & skf21("5","3","6","4","2","2","5","1") = "5"
    & skf21("5","3","6","4","2","2","6","1") = "5"
    & skf21("5","3","6","4","2","2","7","1") = "6"
    & skf21("5","3","6","4","2","3","1","1") = "5"
    & skf21("5","3","6","4","2","3","2","1") = "5"
    & skf21("5","3","6","4","2","3","3","1") = "5"
    & skf21("5","3","6","4","2","3","4","1") = "5"
    & skf21("5","3","6","4","2","3","5","1") = "5"
    & skf21("5","3","6","4","2","3","6","1") = "5"
    & skf21("5","3","6","4","2","3","7","1") = "6"
    & skf21("5","3","6","4","2","4","1","1") = "5"
    & skf21("5","3","6","4","2","4","2","1") = "5"
    & skf21("5","3","6","4","2","4","3","1") = "5"
    & skf21("5","3","6","4","2","4","4","1") = "5"
    & skf21("5","3","6","4","2","4","5","1") = "5"
    & skf21("5","3","6","4","2","4","6","1") = "5"
    & skf21("5","3","6","4","2","4","7","1") = "6"
    & skf21("5","3","6","4","2","5","1","1") = "5"
    & skf21("5","3","6","4","2","5","2","1") = "5"
    & skf21("5","3","6","4","2","5","3","1") = "5"
    & skf21("5","3","6","4","2","5","4","1") = "5"
    & skf21("5","3","6","4","2","5","5","1") = "5"
    & skf21("5","3","6","4","2","5","6","1") = "5"
    & skf21("5","3","6","4","2","5","7","1") = "6"
    & skf21("5","3","6","4","2","6","1","1") = "5"
    & skf21("5","3","6","4","2","6","2","1") = "5"
    & skf21("5","3","6","4","2","6","3","1") = "5"
    & skf21("5","3","6","4","2","6","4","1") = "5"
    & skf21("5","3","6","4","2","6","5","1") = "5"
    & skf21("5","3","6","4","2","6","6","1") = "5"
    & skf21("5","3","6","4","2","6","7","1") = "6"
    & skf21("5","3","6","4","2","7","1","1") = "6"
    & skf21("5","3","6","4","2","7","2","1") = "6"
    & skf21("5","3","6","4","2","7","3","1") = "6"
    & skf21("5","3","6","4","2","7","4","1") = "6"
    & skf21("5","3","6","4","2","7","5","1") = "6"
    & skf21("5","3","6","4","2","7","6","1") = "6"
    & skf21("5","3","6","4","2","7","7","1") = "6"
    & skf21("5","3","6","4","3","1","1","1") = "5"
    & skf21("5","3","6","4","3","1","2","1") = "5"
    & skf21("5","3","6","4","3","1","3","1") = "5"
    & skf21("5","3","6","4","3","1","4","1") = "5"
    & skf21("5","3","6","4","3","1","5","1") = "5"
    & skf21("5","3","6","4","3","1","6","1") = "5"
    & skf21("5","3","6","4","3","1","7","1") = "6"
    & skf21("5","3","6","4","3","2","1","1") = "5"
    & skf21("5","3","6","4","3","2","2","1") = "5"
    & skf21("5","3","6","4","3","2","3","1") = "5"
    & skf21("5","3","6","4","3","2","4","1") = "5"
    & skf21("5","3","6","4","3","2","5","1") = "5"
    & skf21("5","3","6","4","3","2","6","1") = "5"
    & skf21("5","3","6","4","3","2","7","1") = "6"
    & skf21("5","3","6","4","3","3","1","1") = "5"
    & skf21("5","3","6","4","3","3","2","1") = "5"
    & skf21("5","3","6","4","3","3","3","1") = "5"
    & skf21("5","3","6","4","3","3","4","1") = "5"
    & skf21("5","3","6","4","3","3","5","1") = "5"
    & skf21("5","3","6","4","3","3","6","1") = "5"
    & skf21("5","3","6","4","3","3","7","1") = "6"
    & skf21("5","3","6","4","3","4","1","1") = "5"
    & skf21("5","3","6","4","3","4","2","1") = "5"
    & skf21("5","3","6","4","3","4","3","1") = "5"
    & skf21("5","3","6","4","3","4","4","1") = "5"
    & skf21("5","3","6","4","3","4","5","1") = "5"
    & skf21("5","3","6","4","3","4","6","1") = "5"
    & skf21("5","3","6","4","3","4","7","1") = "6"
    & skf21("5","3","6","4","3","5","1","1") = "5"
    & skf21("5","3","6","4","3","5","2","1") = "5"
    & skf21("5","3","6","4","3","5","3","1") = "5"
    & skf21("5","3","6","4","3","5","4","1") = "5"
    & skf21("5","3","6","4","3","5","5","1") = "5"
    & skf21("5","3","6","4","3","5","6","1") = "5"
    & skf21("5","3","6","4","3","5","7","1") = "6"
    & skf21("5","3","6","4","3","6","1","1") = "5"
    & skf21("5","3","6","4","3","6","2","1") = "5"
    & skf21("5","3","6","4","3","6","3","1") = "5"
    & skf21("5","3","6","4","3","6","4","1") = "5"
    & skf21("5","3","6","4","3","6","5","1") = "5"
    & skf21("5","3","6","4","3","6","6","1") = "5"
    & skf21("5","3","6","4","3","6","7","1") = "6"
    & skf21("5","3","6","4","3","7","1","1") = "6"
    & skf21("5","3","6","4","3","7","2","1") = "6"
    & skf21("5","3","6","4","3","7","3","1") = "6"
    & skf21("5","3","6","4","3","7","4","1") = "6"
    & skf21("5","3","6","4","3","7","5","1") = "6"
    & skf21("5","3","6","4","3","7","6","1") = "6"
    & skf21("5","3","6","4","3","7","7","1") = "6"
    & skf21("5","3","6","4","4","1","1","1") = "5"
    & skf21("5","3","6","4","4","1","2","1") = "5"
    & skf21("5","3","6","4","4","1","3","1") = "5"
    & skf21("5","3","6","4","4","1","4","1") = "5"
    & skf21("5","3","6","4","4","1","5","1") = "5"
    & skf21("5","3","6","4","4","1","6","1") = "5"
    & skf21("5","3","6","4","4","1","7","1") = "6"
    & skf21("5","3","6","4","4","2","1","1") = "5"
    & skf21("5","3","6","4","4","2","2","1") = "5"
    & skf21("5","3","6","4","4","2","3","1") = "5"
    & skf21("5","3","6","4","4","2","4","1") = "5"
    & skf21("5","3","6","4","4","2","5","1") = "5"
    & skf21("5","3","6","4","4","2","6","1") = "5"
    & skf21("5","3","6","4","4","2","7","1") = "6"
    & skf21("5","3","6","4","4","3","1","1") = "5"
    & skf21("5","3","6","4","4","3","2","1") = "5"
    & skf21("5","3","6","4","4","3","3","1") = "5"
    & skf21("5","3","6","4","4","3","4","1") = "5"
    & skf21("5","3","6","4","4","3","5","1") = "5"
    & skf21("5","3","6","4","4","3","6","1") = "5"
    & skf21("5","3","6","4","4","3","7","1") = "6"
    & skf21("5","3","6","4","4","4","1","1") = "5"
    & skf21("5","3","6","4","4","4","2","1") = "5"
    & skf21("5","3","6","4","4","4","3","1") = "5"
    & skf21("5","3","6","4","4","4","4","1") = "5"
    & skf21("5","3","6","4","4","4","5","1") = "5"
    & skf21("5","3","6","4","4","4","6","1") = "5"
    & skf21("5","3","6","4","4","4","7","1") = "6"
    & skf21("5","3","6","4","4","5","1","1") = "5"
    & skf21("5","3","6","4","4","5","2","1") = "5"
    & skf21("5","3","6","4","4","5","3","1") = "5"
    & skf21("5","3","6","4","4","5","4","1") = "5"
    & skf21("5","3","6","4","4","5","5","1") = "5"
    & skf21("5","3","6","4","4","5","6","1") = "5"
    & skf21("5","3","6","4","4","5","7","1") = "6"
    & skf21("5","3","6","4","4","6","1","1") = "5"
    & skf21("5","3","6","4","4","6","2","1") = "5"
    & skf21("5","3","6","4","4","6","3","1") = "5"
    & skf21("5","3","6","4","4","6","4","1") = "5"
    & skf21("5","3","6","4","4","6","5","1") = "5"
    & skf21("5","3","6","4","4","6","6","1") = "5"
    & skf21("5","3","6","4","4","6","7","1") = "6"
    & skf21("5","3","6","4","4","7","1","1") = "6"
    & skf21("5","3","6","4","4","7","2","1") = "6"
    & skf21("5","3","6","4","4","7","3","1") = "6"
    & skf21("5","3","6","4","4","7","4","1") = "6"
    & skf21("5","3","6","4","4","7","5","1") = "6"
    & skf21("5","3","6","4","4","7","6","1") = "6"
    & skf21("5","3","6","4","4","7","7","1") = "6"
    & skf21("5","3","6","4","5","1","1","1") = "5"
    & skf21("5","3","6","4","5","1","2","1") = "5"
    & skf21("5","3","6","4","5","1","3","1") = "5"
    & skf21("5","3","6","4","5","1","4","1") = "5"
    & skf21("5","3","6","4","5","1","5","1") = "5"
    & skf21("5","3","6","4","5","1","6","1") = "5"
    & skf21("5","3","6","4","5","1","7","1") = "6"
    & skf21("5","3","6","4","5","2","1","1") = "5"
    & skf21("5","3","6","4","5","2","2","1") = "5"
    & skf21("5","3","6","4","5","2","3","1") = "5"
    & skf21("5","3","6","4","5","2","4","1") = "5"
    & skf21("5","3","6","4","5","2","5","1") = "5"
    & skf21("5","3","6","4","5","2","6","1") = "5"
    & skf21("5","3","6","4","5","2","7","1") = "6"
    & skf21("5","3","6","4","5","3","1","1") = "5"
    & skf21("5","3","6","4","5","3","2","1") = "5"
    & skf21("5","3","6","4","5","3","3","1") = "5"
    & skf21("5","3","6","4","5","3","4","1") = "5"
    & skf21("5","3","6","4","5","3","5","1") = "5"
    & skf21("5","3","6","4","5","3","6","1") = "5"
    & skf21("5","3","6","4","5","3","7","1") = "6"
    & skf21("5","3","6","4","5","4","1","1") = "5"
    & skf21("5","3","6","4","5","4","2","1") = "5"
    & skf21("5","3","6","4","5","4","3","1") = "5"
    & skf21("5","3","6","4","5","4","4","1") = "5"
    & skf21("5","3","6","4","5","4","5","1") = "5"
    & skf21("5","3","6","4","5","4","6","1") = "5"
    & skf21("5","3","6","4","5","4","7","1") = "6"
    & skf21("5","3","6","4","5","5","1","1") = "5"
    & skf21("5","3","6","4","5","5","2","1") = "5"
    & skf21("5","3","6","4","5","5","3","1") = "5"
    & skf21("5","3","6","4","5","5","4","1") = "5"
    & skf21("5","3","6","4","5","5","5","1") = "5"
    & skf21("5","3","6","4","5","5","6","1") = "5"
    & skf21("5","3","6","4","5","5","7","1") = "6"
    & skf21("5","3","6","4","5","6","1","1") = "5"
    & skf21("5","3","6","4","5","6","2","1") = "5"
    & skf21("5","3","6","4","5","6","3","1") = "5"
    & skf21("5","3","6","4","5","6","4","1") = "5"
    & skf21("5","3","6","4","5","6","5","1") = "5"
    & skf21("5","3","6","4","5","6","6","1") = "5"
    & skf21("5","3","6","4","5","6","7","1") = "6"
    & skf21("5","3","6","4","5","7","1","1") = "6"
    & skf21("5","3","6","4","5","7","2","1") = "6"
    & skf21("5","3","6","4","5","7","3","1") = "6"
    & skf21("5","3","6","4","5","7","4","1") = "6"
    & skf21("5","3","6","4","5","7","5","1") = "6"
    & skf21("5","3","6","4","5","7","6","1") = "6"
    & skf21("5","3","6","4","5","7","7","1") = "6"
    & skf21("5","3","6","4","6","1","1","1") = "5"
    & skf21("5","3","6","4","6","1","2","1") = "5"
    & skf21("5","3","6","4","6","1","3","1") = "5"
    & skf21("5","3","6","4","6","1","4","1") = "5"
    & skf21("5","3","6","4","6","1","5","1") = "5"
    & skf21("5","3","6","4","6","1","6","1") = "5"
    & skf21("5","3","6","4","6","1","7","1") = "6"
    & skf21("5","3","6","4","6","2","1","1") = "5"
    & skf21("5","3","6","4","6","2","2","1") = "5"
    & skf21("5","3","6","4","6","2","3","1") = "5"
    & skf21("5","3","6","4","6","2","4","1") = "5"
    & skf21("5","3","6","4","6","2","5","1") = "5"
    & skf21("5","3","6","4","6","2","6","1") = "5"
    & skf21("5","3","6","4","6","2","7","1") = "6"
    & skf21("5","3","6","4","6","3","1","1") = "5"
    & skf21("5","3","6","4","6","3","2","1") = "5"
    & skf21("5","3","6","4","6","3","3","1") = "5"
    & skf21("5","3","6","4","6","3","4","1") = "5"
    & skf21("5","3","6","4","6","3","5","1") = "5"
    & skf21("5","3","6","4","6","3","6","1") = "5"
    & skf21("5","3","6","4","6","3","7","1") = "6"
    & skf21("5","3","6","4","6","4","1","1") = "5"
    & skf21("5","3","6","4","6","4","2","1") = "5"
    & skf21("5","3","6","4","6","4","3","1") = "5"
    & skf21("5","3","6","4","6","4","4","1") = "5"
    & skf21("5","3","6","4","6","4","5","1") = "5"
    & skf21("5","3","6","4","6","4","6","1") = "5"
    & skf21("5","3","6","4","6","4","7","1") = "6"
    & skf21("5","3","6","4","6","5","1","1") = "5"
    & skf21("5","3","6","4","6","5","2","1") = "5"
    & skf21("5","3","6","4","6","5","3","1") = "5"
    & skf21("5","3","6","4","6","5","4","1") = "5"
    & skf21("5","3","6","4","6","5","5","1") = "5"
    & skf21("5","3","6","4","6","5","6","1") = "5"
    & skf21("5","3","6","4","6","5","7","1") = "6"
    & skf21("5","3","6","4","6","6","1","1") = "5"
    & skf21("5","3","6","4","6","6","2","1") = "5"
    & skf21("5","3","6","4","6","6","3","1") = "5"
    & skf21("5","3","6","4","6","6","4","1") = "5"
    & skf21("5","3","6","4","6","6","5","1") = "5"
    & skf21("5","3","6","4","6","6","6","1") = "5"
    & skf21("5","3","6","4","6","6","7","1") = "6"
    & skf21("5","3","6","4","6","7","1","1") = "6"
    & skf21("5","3","6","4","6","7","2","1") = "6"
    & skf21("5","3","6","4","6","7","3","1") = "6"
    & skf21("5","3","6","4","6","7","4","1") = "6"
    & skf21("5","3","6","4","6","7","5","1") = "6"
    & skf21("5","3","6","4","6","7","6","1") = "6"
    & skf21("5","3","6","4","6","7","7","1") = "6"
    & skf21("5","3","6","4","7","1","1","1") = "6"
    & skf21("5","3","6","4","7","1","2","1") = "6"
    & skf21("5","3","6","4","7","1","3","1") = "6"
    & skf21("5","3","6","4","7","1","4","1") = "6"
    & skf21("5","3","6","4","7","1","5","1") = "6"
    & skf21("5","3","6","4","7","1","6","1") = "6"
    & skf21("5","3","6","4","7","1","7","1") = "6"
    & skf21("5","3","6","4","7","2","1","1") = "6"
    & skf21("5","3","6","4","7","2","2","1") = "6"
    & skf21("5","3","6","4","7","2","3","1") = "6"
    & skf21("5","3","6","4","7","2","4","1") = "6"
    & skf21("5","3","6","4","7","2","5","1") = "6"
    & skf21("5","3","6","4","7","2","6","1") = "6"
    & skf21("5","3","6","4","7","2","7","1") = "6"
    & skf21("5","3","6","4","7","3","1","1") = "6"
    & skf21("5","3","6","4","7","3","2","1") = "6"
    & skf21("5","3","6","4","7","3","3","1") = "6"
    & skf21("5","3","6","4","7","3","4","1") = "6"
    & skf21("5","3","6","4","7","3","5","1") = "6"
    & skf21("5","3","6","4","7","3","6","1") = "6"
    & skf21("5","3","6","4","7","3","7","1") = "6"
    & skf21("5","3","6","4","7","4","1","1") = "6"
    & skf21("5","3","6","4","7","4","2","1") = "6"
    & skf21("5","3","6","4","7","4","3","1") = "6"
    & skf21("5","3","6","4","7","4","4","1") = "6"
    & skf21("5","3","6","4","7","4","5","1") = "6"
    & skf21("5","3","6","4","7","4","6","1") = "6"
    & skf21("5","3","6","4","7","4","7","1") = "6"
    & skf21("5","3","6","4","7","5","1","1") = "6"
    & skf21("5","3","6","4","7","5","2","1") = "6"
    & skf21("5","3","6","4","7","5","3","1") = "6"
    & skf21("5","3","6","4","7","5","4","1") = "6"
    & skf21("5","3","6","4","7","5","5","1") = "6"
    & skf21("5","3","6","4","7","5","6","1") = "6"
    & skf21("5","3","6","4","7","5","7","1") = "6"
    & skf21("5","3","6","4","7","6","1","1") = "6"
    & skf21("5","3","6","4","7","6","2","1") = "6"
    & skf21("5","3","6","4","7","6","3","1") = "6"
    & skf21("5","3","6","4","7","6","4","1") = "6"
    & skf21("5","3","6","4","7","6","5","1") = "6"
    & skf21("5","3","6","4","7","6","6","1") = "6"
    & skf21("5","3","6","4","7","6","7","1") = "6"
    & skf21("5","3","6","4","7","7","1","1") = "6"
    & skf21("5","3","6","4","7","7","2","1") = "6"
    & skf21("5","3","6","4","7","7","3","1") = "6"
    & skf21("5","3","6","4","7","7","4","1") = "6"
    & skf21("5","3","6","4","7","7","5","1") = "6"
    & skf21("5","3","6","4","7","7","6","1") = "6"
    & skf21("5","3","6","4","7","7","7","1") = "6"
    & skf21("5","3","6","5","1","1","1","1") = "5"
    & skf21("5","3","6","5","1","1","2","1") = "5"
    & skf21("5","3","6","5","1","1","3","1") = "5"
    & skf21("5","3","6","5","1","1","4","1") = "5"
    & skf21("5","3","6","5","1","1","5","1") = "5"
    & skf21("5","3","6","5","1","1","6","1") = "5"
    & skf21("5","3","6","5","1","1","7","1") = "6"
    & skf21("5","3","6","5","1","2","1","1") = "5"
    & skf21("5","3","6","5","1","2","2","1") = "5"
    & skf21("5","3","6","5","1","2","3","1") = "5"
    & skf21("5","3","6","5","1","2","4","1") = "5"
    & skf21("5","3","6","5","1","2","5","1") = "5"
    & skf21("5","3","6","5","1","2","6","1") = "5"
    & skf21("5","3","6","5","1","2","7","1") = "6"
    & skf21("5","3","6","5","1","3","1","1") = "5"
    & skf21("5","3","6","5","1","3","2","1") = "5"
    & skf21("5","3","6","5","1","3","3","1") = "5"
    & skf21("5","3","6","5","1","3","4","1") = "5"
    & skf21("5","3","6","5","1","3","5","1") = "5"
    & skf21("5","3","6","5","1","3","6","1") = "5"
    & skf21("5","3","6","5","1","3","7","1") = "6"
    & skf21("5","3","6","5","1","4","1","1") = "5"
    & skf21("5","3","6","5","1","4","2","1") = "5"
    & skf21("5","3","6","5","1","4","3","1") = "5"
    & skf21("5","3","6","5","1","4","4","1") = "5"
    & skf21("5","3","6","5","1","4","5","1") = "5"
    & skf21("5","3","6","5","1","4","6","1") = "5"
    & skf21("5","3","6","5","1","4","7","1") = "6"
    & skf21("5","3","6","5","1","5","1","1") = "5"
    & skf21("5","3","6","5","1","5","2","1") = "5"
    & skf21("5","3","6","5","1","5","3","1") = "5"
    & skf21("5","3","6","5","1","5","4","1") = "5"
    & skf21("5","3","6","5","1","5","5","1") = "5"
    & skf21("5","3","6","5","1","5","6","1") = "5"
    & skf21("5","3","6","5","1","5","7","1") = "6"
    & skf21("5","3","6","5","1","6","1","1") = "5"
    & skf21("5","3","6","5","1","6","2","1") = "5"
    & skf21("5","3","6","5","1","6","3","1") = "5"
    & skf21("5","3","6","5","1","6","4","1") = "5"
    & skf21("5","3","6","5","1","6","5","1") = "5"
    & skf21("5","3","6","5","1","6","6","1") = "5"
    & skf21("5","3","6","5","1","6","7","1") = "6"
    & skf21("5","3","6","5","1","7","1","1") = "6"
    & skf21("5","3","6","5","1","7","2","1") = "6"
    & skf21("5","3","6","5","1","7","3","1") = "6"
    & skf21("5","3","6","5","1","7","4","1") = "6"
    & skf21("5","3","6","5","1","7","5","1") = "6"
    & skf21("5","3","6","5","1","7","6","1") = "6"
    & skf21("5","3","6","5","1","7","7","1") = "6"
    & skf21("5","3","6","5","2","1","1","1") = "5"
    & skf21("5","3","6","5","2","1","2","1") = "5"
    & skf21("5","3","6","5","2","1","3","1") = "5"
    & skf21("5","3","6","5","2","1","4","1") = "5"
    & skf21("5","3","6","5","2","1","5","1") = "5"
    & skf21("5","3","6","5","2","1","6","1") = "5"
    & skf21("5","3","6","5","2","1","7","1") = "6"
    & skf21("5","3","6","5","2","2","1","1") = "5"
    & skf21("5","3","6","5","2","2","2","1") = "5"
    & skf21("5","3","6","5","2","2","3","1") = "5"
    & skf21("5","3","6","5","2","2","4","1") = "5"
    & skf21("5","3","6","5","2","2","5","1") = "5"
    & skf21("5","3","6","5","2","2","6","1") = "5"
    & skf21("5","3","6","5","2","2","7","1") = "6"
    & skf21("5","3","6","5","2","3","1","1") = "5"
    & skf21("5","3","6","5","2","3","2","1") = "5"
    & skf21("5","3","6","5","2","3","3","1") = "5"
    & skf21("5","3","6","5","2","3","4","1") = "5"
    & skf21("5","3","6","5","2","3","5","1") = "5"
    & skf21("5","3","6","5","2","3","6","1") = "5"
    & skf21("5","3","6","5","2","3","7","1") = "6"
    & skf21("5","3","6","5","2","4","1","1") = "5"
    & skf21("5","3","6","5","2","4","2","1") = "5"
    & skf21("5","3","6","5","2","4","3","1") = "5"
    & skf21("5","3","6","5","2","4","4","1") = "5"
    & skf21("5","3","6","5","2","4","5","1") = "5"
    & skf21("5","3","6","5","2","4","6","1") = "5"
    & skf21("5","3","6","5","2","4","7","1") = "6"
    & skf21("5","3","6","5","2","5","1","1") = "5"
    & skf21("5","3","6","5","2","5","2","1") = "5"
    & skf21("5","3","6","5","2","5","3","1") = "5"
    & skf21("5","3","6","5","2","5","4","1") = "5"
    & skf21("5","3","6","5","2","5","5","1") = "5"
    & skf21("5","3","6","5","2","5","6","1") = "5"
    & skf21("5","3","6","5","2","5","7","1") = "6"
    & skf21("5","3","6","5","2","6","1","1") = "5"
    & skf21("5","3","6","5","2","6","2","1") = "5"
    & skf21("5","3","6","5","2","6","3","1") = "5"
    & skf21("5","3","6","5","2","6","4","1") = "5"
    & skf21("5","3","6","5","2","6","5","1") = "5"
    & skf21("5","3","6","5","2","6","6","1") = "5"
    & skf21("5","3","6","5","2","6","7","1") = "6"
    & skf21("5","3","6","5","2","7","1","1") = "6"
    & skf21("5","3","6","5","2","7","2","1") = "6"
    & skf21("5","3","6","5","2","7","3","1") = "6"
    & skf21("5","3","6","5","2","7","4","1") = "6"
    & skf21("5","3","6","5","2","7","5","1") = "6"
    & skf21("5","3","6","5","2","7","6","1") = "6"
    & skf21("5","3","6","5","2","7","7","1") = "6"
    & skf21("5","3","6","5","3","1","1","1") = "5"
    & skf21("5","3","6","5","3","1","2","1") = "5"
    & skf21("5","3","6","5","3","1","3","1") = "5"
    & skf21("5","3","6","5","3","1","4","1") = "5"
    & skf21("5","3","6","5","3","1","5","1") = "5"
    & skf21("5","3","6","5","3","1","6","1") = "5"
    & skf21("5","3","6","5","3","1","7","1") = "6"
    & skf21("5","3","6","5","3","2","1","1") = "5"
    & skf21("5","3","6","5","3","2","2","1") = "5"
    & skf21("5","3","6","5","3","2","3","1") = "5"
    & skf21("5","3","6","5","3","2","4","1") = "5"
    & skf21("5","3","6","5","3","2","5","1") = "5"
    & skf21("5","3","6","5","3","2","6","1") = "5"
    & skf21("5","3","6","5","3","2","7","1") = "6"
    & skf21("5","3","6","5","3","3","1","1") = "5"
    & skf21("5","3","6","5","3","3","2","1") = "5"
    & skf21("5","3","6","5","3","3","3","1") = "5"
    & skf21("5","3","6","5","3","3","4","1") = "5"
    & skf21("5","3","6","5","3","3","5","1") = "5"
    & skf21("5","3","6","5","3","3","6","1") = "5"
    & skf21("5","3","6","5","3","3","7","1") = "6"
    & skf21("5","3","6","5","3","4","1","1") = "5"
    & skf21("5","3","6","5","3","4","2","1") = "5"
    & skf21("5","3","6","5","3","4","3","1") = "5"
    & skf21("5","3","6","5","3","4","4","1") = "5"
    & skf21("5","3","6","5","3","4","5","1") = "5"
    & skf21("5","3","6","5","3","4","6","1") = "5"
    & skf21("5","3","6","5","3","4","7","1") = "6"
    & skf21("5","3","6","5","3","5","1","1") = "5"
    & skf21("5","3","6","5","3","5","2","1") = "5"
    & skf21("5","3","6","5","3","5","3","1") = "5"
    & skf21("5","3","6","5","3","5","4","1") = "5"
    & skf21("5","3","6","5","3","5","5","1") = "5"
    & skf21("5","3","6","5","3","5","6","1") = "5"
    & skf21("5","3","6","5","3","5","7","1") = "6"
    & skf21("5","3","6","5","3","6","1","1") = "5"
    & skf21("5","3","6","5","3","6","2","1") = "5"
    & skf21("5","3","6","5","3","6","3","1") = "5"
    & skf21("5","3","6","5","3","6","4","1") = "5"
    & skf21("5","3","6","5","3","6","5","1") = "5"
    & skf21("5","3","6","5","3","6","6","1") = "5"
    & skf21("5","3","6","5","3","6","7","1") = "6"
    & skf21("5","3","6","5","3","7","1","1") = "6"
    & skf21("5","3","6","5","3","7","2","1") = "6"
    & skf21("5","3","6","5","3","7","3","1") = "6"
    & skf21("5","3","6","5","3","7","4","1") = "6"
    & skf21("5","3","6","5","3","7","5","1") = "6"
    & skf21("5","3","6","5","3","7","6","1") = "6"
    & skf21("5","3","6","5","3","7","7","1") = "6"
    & skf21("5","3","6","5","4","1","1","1") = "5"
    & skf21("5","3","6","5","4","1","2","1") = "5"
    & skf21("5","3","6","5","4","1","3","1") = "5"
    & skf21("5","3","6","5","4","1","4","1") = "5"
    & skf21("5","3","6","5","4","1","5","1") = "5"
    & skf21("5","3","6","5","4","1","6","1") = "5"
    & skf21("5","3","6","5","4","1","7","1") = "6"
    & skf21("5","3","6","5","4","2","1","1") = "5"
    & skf21("5","3","6","5","4","2","2","1") = "5"
    & skf21("5","3","6","5","4","2","3","1") = "5"
    & skf21("5","3","6","5","4","2","4","1") = "5"
    & skf21("5","3","6","5","4","2","5","1") = "5"
    & skf21("5","3","6","5","4","2","6","1") = "5"
    & skf21("5","3","6","5","4","2","7","1") = "6"
    & skf21("5","3","6","5","4","3","1","1") = "5"
    & skf21("5","3","6","5","4","3","2","1") = "5"
    & skf21("5","3","6","5","4","3","3","1") = "5"
    & skf21("5","3","6","5","4","3","4","1") = "5"
    & skf21("5","3","6","5","4","3","5","1") = "5"
    & skf21("5","3","6","5","4","3","6","1") = "5"
    & skf21("5","3","6","5","4","3","7","1") = "6"
    & skf21("5","3","6","5","4","4","1","1") = "5"
    & skf21("5","3","6","5","4","4","2","1") = "5"
    & skf21("5","3","6","5","4","4","3","1") = "5"
    & skf21("5","3","6","5","4","4","4","1") = "5"
    & skf21("5","3","6","5","4","4","5","1") = "5"
    & skf21("5","3","6","5","4","4","6","1") = "5"
    & skf21("5","3","6","5","4","4","7","1") = "6"
    & skf21("5","3","6","5","4","5","1","1") = "5"
    & skf21("5","3","6","5","4","5","2","1") = "5"
    & skf21("5","3","6","5","4","5","3","1") = "5"
    & skf21("5","3","6","5","4","5","4","1") = "5"
    & skf21("5","3","6","5","4","5","5","1") = "5"
    & skf21("5","3","6","5","4","5","6","1") = "5"
    & skf21("5","3","6","5","4","5","7","1") = "6"
    & skf21("5","3","6","5","4","6","1","1") = "5"
    & skf21("5","3","6","5","4","6","2","1") = "5"
    & skf21("5","3","6","5","4","6","3","1") = "5"
    & skf21("5","3","6","5","4","6","4","1") = "5"
    & skf21("5","3","6","5","4","6","5","1") = "5"
    & skf21("5","3","6","5","4","6","6","1") = "5"
    & skf21("5","3","6","5","4","6","7","1") = "6"
    & skf21("5","3","6","5","4","7","1","1") = "6"
    & skf21("5","3","6","5","4","7","2","1") = "6"
    & skf21("5","3","6","5","4","7","3","1") = "6"
    & skf21("5","3","6","5","4","7","4","1") = "6"
    & skf21("5","3","6","5","4","7","5","1") = "6"
    & skf21("5","3","6","5","4","7","6","1") = "6"
    & skf21("5","3","6","5","4","7","7","1") = "6"
    & skf21("5","3","6","5","5","1","1","1") = "5"
    & skf21("5","3","6","5","5","1","2","1") = "5"
    & skf21("5","3","6","5","5","1","3","1") = "5"
    & skf21("5","3","6","5","5","1","4","1") = "5"
    & skf21("5","3","6","5","5","1","5","1") = "5"
    & skf21("5","3","6","5","5","1","6","1") = "5"
    & skf21("5","3","6","5","5","1","7","1") = "6"
    & skf21("5","3","6","5","5","2","1","1") = "5"
    & skf21("5","3","6","5","5","2","2","1") = "5"
    & skf21("5","3","6","5","5","2","3","1") = "5"
    & skf21("5","3","6","5","5","2","4","1") = "5"
    & skf21("5","3","6","5","5","2","5","1") = "5"
    & skf21("5","3","6","5","5","2","6","1") = "5"
    & skf21("5","3","6","5","5","2","7","1") = "6"
    & skf21("5","3","6","5","5","3","1","1") = "5"
    & skf21("5","3","6","5","5","3","2","1") = "5"
    & skf21("5","3","6","5","5","3","3","1") = "5"
    & skf21("5","3","6","5","5","3","4","1") = "5"
    & skf21("5","3","6","5","5","3","5","1") = "5"
    & skf21("5","3","6","5","5","3","6","1") = "5"
    & skf21("5","3","6","5","5","3","7","1") = "6"
    & skf21("5","3","6","5","5","4","1","1") = "5"
    & skf21("5","3","6","5","5","4","2","1") = "5"
    & skf21("5","3","6","5","5","4","3","1") = "5"
    & skf21("5","3","6","5","5","4","4","1") = "5"
    & skf21("5","3","6","5","5","4","5","1") = "5"
    & skf21("5","3","6","5","5","4","6","1") = "5"
    & skf21("5","3","6","5","5","4","7","1") = "6"
    & skf21("5","3","6","5","5","5","1","1") = "5"
    & skf21("5","3","6","5","5","5","2","1") = "5"
    & skf21("5","3","6","5","5","5","3","1") = "5"
    & skf21("5","3","6","5","5","5","4","1") = "5"
    & skf21("5","3","6","5","5","5","5","1") = "5"
    & skf21("5","3","6","5","5","5","6","1") = "5"
    & skf21("5","3","6","5","5","5","7","1") = "6"
    & skf21("5","3","6","5","5","6","1","1") = "5"
    & skf21("5","3","6","5","5","6","2","1") = "5"
    & skf21("5","3","6","5","5","6","3","1") = "5"
    & skf21("5","3","6","5","5","6","4","1") = "5"
    & skf21("5","3","6","5","5","6","5","1") = "5"
    & skf21("5","3","6","5","5","6","6","1") = "5"
    & skf21("5","3","6","5","5","6","7","1") = "6"
    & skf21("5","3","6","5","5","7","1","1") = "6"
    & skf21("5","3","6","5","5","7","2","1") = "6"
    & skf21("5","3","6","5","5","7","3","1") = "6"
    & skf21("5","3","6","5","5","7","4","1") = "6"
    & skf21("5","3","6","5","5","7","5","1") = "6"
    & skf21("5","3","6","5","5","7","6","1") = "6"
    & skf21("5","3","6","5","5","7","7","1") = "6"
    & skf21("5","3","6","5","6","1","1","1") = "5"
    & skf21("5","3","6","5","6","1","2","1") = "5"
    & skf21("5","3","6","5","6","1","3","1") = "5"
    & skf21("5","3","6","5","6","1","4","1") = "5"
    & skf21("5","3","6","5","6","1","5","1") = "5"
    & skf21("5","3","6","5","6","1","6","1") = "5"
    & skf21("5","3","6","5","6","1","7","1") = "6"
    & skf21("5","3","6","5","6","2","1","1") = "5"
    & skf21("5","3","6","5","6","2","2","1") = "5"
    & skf21("5","3","6","5","6","2","3","1") = "5"
    & skf21("5","3","6","5","6","2","4","1") = "5"
    & skf21("5","3","6","5","6","2","5","1") = "5"
    & skf21("5","3","6","5","6","2","6","1") = "5"
    & skf21("5","3","6","5","6","2","7","1") = "6"
    & skf21("5","3","6","5","6","3","1","1") = "5"
    & skf21("5","3","6","5","6","3","2","1") = "5"
    & skf21("5","3","6","5","6","3","3","1") = "5"
    & skf21("5","3","6","5","6","3","4","1") = "5"
    & skf21("5","3","6","5","6","3","5","1") = "5"
    & skf21("5","3","6","5","6","3","6","1") = "5"
    & skf21("5","3","6","5","6","3","7","1") = "6"
    & skf21("5","3","6","5","6","4","1","1") = "5"
    & skf21("5","3","6","5","6","4","2","1") = "5"
    & skf21("5","3","6","5","6","4","3","1") = "5"
    & skf21("5","3","6","5","6","4","4","1") = "5"
    & skf21("5","3","6","5","6","4","5","1") = "5"
    & skf21("5","3","6","5","6","4","6","1") = "5"
    & skf21("5","3","6","5","6","4","7","1") = "6"
    & skf21("5","3","6","5","6","5","1","1") = "5"
    & skf21("5","3","6","5","6","5","2","1") = "5"
    & skf21("5","3","6","5","6","5","3","1") = "5"
    & skf21("5","3","6","5","6","5","4","1") = "5"
    & skf21("5","3","6","5","6","5","5","1") = "5"
    & skf21("5","3","6","5","6","5","6","1") = "5"
    & skf21("5","3","6","5","6","5","7","1") = "6"
    & skf21("5","3","6","5","6","6","1","1") = "5"
    & skf21("5","3","6","5","6","6","2","1") = "5"
    & skf21("5","3","6","5","6","6","3","1") = "5"
    & skf21("5","3","6","5","6","6","4","1") = "5"
    & skf21("5","3","6","5","6","6","5","1") = "5"
    & skf21("5","3","6","5","6","6","6","1") = "5"
    & skf21("5","3","6","5","6","6","7","1") = "6"
    & skf21("5","3","6","5","6","7","1","1") = "6"
    & skf21("5","3","6","5","6","7","2","1") = "6"
    & skf21("5","3","6","5","6","7","3","1") = "6"
    & skf21("5","3","6","5","6","7","4","1") = "6"
    & skf21("5","3","6","5","6","7","5","1") = "6"
    & skf21("5","3","6","5","6","7","6","1") = "6"
    & skf21("5","3","6","5","6","7","7","1") = "6"
    & skf21("5","3","6","5","7","1","1","1") = "6"
    & skf21("5","3","6","5","7","1","2","1") = "6"
    & skf21("5","3","6","5","7","1","3","1") = "6"
    & skf21("5","3","6","5","7","1","4","1") = "6"
    & skf21("5","3","6","5","7","1","5","1") = "6"
    & skf21("5","3","6","5","7","1","6","1") = "6"
    & skf21("5","3","6","5","7","1","7","1") = "6"
    & skf21("5","3","6","5","7","2","1","1") = "6"
    & skf21("5","3","6","5","7","2","2","1") = "6"
    & skf21("5","3","6","5","7","2","3","1") = "6"
    & skf21("5","3","6","5","7","2","4","1") = "6"
    & skf21("5","3","6","5","7","2","5","1") = "6"
    & skf21("5","3","6","5","7","2","6","1") = "6"
    & skf21("5","3","6","5","7","2","7","1") = "6"
    & skf21("5","3","6","5","7","3","1","1") = "6"
    & skf21("5","3","6","5","7","3","2","1") = "6"
    & skf21("5","3","6","5","7","3","3","1") = "6"
    & skf21("5","3","6","5","7","3","4","1") = "6"
    & skf21("5","3","6","5","7","3","5","1") = "6"
    & skf21("5","3","6","5","7","3","6","1") = "6"
    & skf21("5","3","6","5","7","3","7","1") = "6"
    & skf21("5","3","6","5","7","4","1","1") = "6"
    & skf21("5","3","6","5","7","4","2","1") = "6"
    & skf21("5","3","6","5","7","4","3","1") = "6"
    & skf21("5","3","6","5","7","4","4","1") = "6"
    & skf21("5","3","6","5","7","4","5","1") = "6"
    & skf21("5","3","6","5","7","4","6","1") = "6"
    & skf21("5","3","6","5","7","4","7","1") = "6"
    & skf21("5","3","6","5","7","5","1","1") = "6"
    & skf21("5","3","6","5","7","5","2","1") = "6"
    & skf21("5","3","6","5","7","5","3","1") = "6"
    & skf21("5","3","6","5","7","5","4","1") = "6"
    & skf21("5","3","6","5","7","5","5","1") = "6"
    & skf21("5","3","6","5","7","5","6","1") = "6"
    & skf21("5","3","6","5","7","5","7","1") = "6"
    & skf21("5","3","6","5","7","6","1","1") = "6"
    & skf21("5","3","6","5","7","6","2","1") = "6"
    & skf21("5","3","6","5","7","6","3","1") = "6"
    & skf21("5","3","6","5","7","6","4","1") = "6"
    & skf21("5","3","6","5","7","6","5","1") = "6"
    & skf21("5","3","6","5","7","6","6","1") = "6"
    & skf21("5","3","6","5","7","6","7","1") = "6"
    & skf21("5","3","6","5","7","7","1","1") = "6"
    & skf21("5","3","6","5","7","7","2","1") = "6"
    & skf21("5","3","6","5","7","7","3","1") = "6"
    & skf21("5","3","6","5","7","7","4","1") = "6"
    & skf21("5","3","6","5","7","7","5","1") = "6"
    & skf21("5","3","6","5","7","7","6","1") = "6"
    & skf21("5","3","6","5","7","7","7","1") = "6"
    & skf21("5","3","6","6","1","1","1","1") = "5"
    & skf21("5","3","6","6","1","1","2","1") = "5"
    & skf21("5","3","6","6","1","1","3","1") = "5"
    & skf21("5","3","6","6","1","1","4","1") = "5"
    & skf21("5","3","6","6","1","1","5","1") = "5"
    & skf21("5","3","6","6","1","1","6","1") = "5"
    & skf21("5","3","6","6","1","1","7","1") = "6"
    & skf21("5","3","6","6","1","2","1","1") = "5"
    & skf21("5","3","6","6","1","2","2","1") = "5"
    & skf21("5","3","6","6","1","2","3","1") = "5"
    & skf21("5","3","6","6","1","2","4","1") = "5"
    & skf21("5","3","6","6","1","2","5","1") = "5"
    & skf21("5","3","6","6","1","2","6","1") = "5"
    & skf21("5","3","6","6","1","2","7","1") = "6"
    & skf21("5","3","6","6","1","3","1","1") = "5"
    & skf21("5","3","6","6","1","3","2","1") = "5"
    & skf21("5","3","6","6","1","3","3","1") = "5"
    & skf21("5","3","6","6","1","3","4","1") = "5"
    & skf21("5","3","6","6","1","3","5","1") = "5"
    & skf21("5","3","6","6","1","3","6","1") = "5"
    & skf21("5","3","6","6","1","3","7","1") = "6"
    & skf21("5","3","6","6","1","4","1","1") = "5"
    & skf21("5","3","6","6","1","4","2","1") = "5"
    & skf21("5","3","6","6","1","4","3","1") = "5"
    & skf21("5","3","6","6","1","4","4","1") = "5"
    & skf21("5","3","6","6","1","4","5","1") = "5"
    & skf21("5","3","6","6","1","4","6","1") = "5"
    & skf21("5","3","6","6","1","4","7","1") = "6"
    & skf21("5","3","6","6","1","5","1","1") = "5"
    & skf21("5","3","6","6","1","5","2","1") = "5"
    & skf21("5","3","6","6","1","5","3","1") = "5"
    & skf21("5","3","6","6","1","5","4","1") = "5"
    & skf21("5","3","6","6","1","5","5","1") = "5"
    & skf21("5","3","6","6","1","5","6","1") = "5"
    & skf21("5","3","6","6","1","5","7","1") = "6"
    & skf21("5","3","6","6","1","6","1","1") = "5"
    & skf21("5","3","6","6","1","6","2","1") = "5"
    & skf21("5","3","6","6","1","6","3","1") = "5"
    & skf21("5","3","6","6","1","6","4","1") = "5"
    & skf21("5","3","6","6","1","6","5","1") = "5"
    & skf21("5","3","6","6","1","6","6","1") = "5"
    & skf21("5","3","6","6","1","6","7","1") = "6"
    & skf21("5","3","6","6","1","7","1","1") = "6"
    & skf21("5","3","6","6","1","7","2","1") = "6"
    & skf21("5","3","6","6","1","7","3","1") = "6"
    & skf21("5","3","6","6","1","7","4","1") = "6"
    & skf21("5","3","6","6","1","7","5","1") = "6"
    & skf21("5","3","6","6","1","7","6","1") = "6"
    & skf21("5","3","6","6","1","7","7","1") = "6"
    & skf21("5","3","6","6","2","1","1","1") = "5"
    & skf21("5","3","6","6","2","1","2","1") = "5"
    & skf21("5","3","6","6","2","1","3","1") = "5"
    & skf21("5","3","6","6","2","1","4","1") = "5"
    & skf21("5","3","6","6","2","1","5","1") = "5"
    & skf21("5","3","6","6","2","1","6","1") = "5"
    & skf21("5","3","6","6","2","1","7","1") = "6"
    & skf21("5","3","6","6","2","2","1","1") = "5"
    & skf21("5","3","6","6","2","2","2","1") = "5"
    & skf21("5","3","6","6","2","2","3","1") = "5"
    & skf21("5","3","6","6","2","2","4","1") = "5"
    & skf21("5","3","6","6","2","2","5","1") = "5"
    & skf21("5","3","6","6","2","2","6","1") = "5"
    & skf21("5","3","6","6","2","2","7","1") = "6"
    & skf21("5","3","6","6","2","3","1","1") = "5"
    & skf21("5","3","6","6","2","3","2","1") = "5"
    & skf21("5","3","6","6","2","3","3","1") = "5"
    & skf21("5","3","6","6","2","3","4","1") = "5"
    & skf21("5","3","6","6","2","3","5","1") = "5"
    & skf21("5","3","6","6","2","3","6","1") = "5"
    & skf21("5","3","6","6","2","3","7","1") = "6"
    & skf21("5","3","6","6","2","4","1","1") = "5"
    & skf21("5","3","6","6","2","4","2","1") = "5"
    & skf21("5","3","6","6","2","4","3","1") = "5"
    & skf21("5","3","6","6","2","4","4","1") = "5"
    & skf21("5","3","6","6","2","4","5","1") = "5"
    & skf21("5","3","6","6","2","4","6","1") = "5"
    & skf21("5","3","6","6","2","4","7","1") = "6"
    & skf21("5","3","6","6","2","5","1","1") = "5"
    & skf21("5","3","6","6","2","5","2","1") = "5"
    & skf21("5","3","6","6","2","5","3","1") = "5"
    & skf21("5","3","6","6","2","5","4","1") = "5"
    & skf21("5","3","6","6","2","5","5","1") = "5"
    & skf21("5","3","6","6","2","5","6","1") = "5"
    & skf21("5","3","6","6","2","5","7","1") = "6"
    & skf21("5","3","6","6","2","6","1","1") = "5"
    & skf21("5","3","6","6","2","6","2","1") = "5"
    & skf21("5","3","6","6","2","6","3","1") = "5"
    & skf21("5","3","6","6","2","6","4","1") = "5"
    & skf21("5","3","6","6","2","6","5","1") = "5"
    & skf21("5","3","6","6","2","6","6","1") = "5"
    & skf21("5","3","6","6","2","6","7","1") = "6"
    & skf21("5","3","6","6","2","7","1","1") = "6"
    & skf21("5","3","6","6","2","7","2","1") = "6"
    & skf21("5","3","6","6","2","7","3","1") = "6"
    & skf21("5","3","6","6","2","7","4","1") = "6"
    & skf21("5","3","6","6","2","7","5","1") = "6"
    & skf21("5","3","6","6","2","7","6","1") = "6"
    & skf21("5","3","6","6","2","7","7","1") = "6"
    & skf21("5","3","6","6","3","1","1","1") = "5"
    & skf21("5","3","6","6","3","1","2","1") = "5"
    & skf21("5","3","6","6","3","1","3","1") = "5"
    & skf21("5","3","6","6","3","1","4","1") = "5"
    & skf21("5","3","6","6","3","1","5","1") = "5"
    & skf21("5","3","6","6","3","1","6","1") = "5"
    & skf21("5","3","6","6","3","1","7","1") = "6"
    & skf21("5","3","6","6","3","2","1","1") = "5"
    & skf21("5","3","6","6","3","2","2","1") = "5"
    & skf21("5","3","6","6","3","2","3","1") = "5"
    & skf21("5","3","6","6","3","2","4","1") = "5"
    & skf21("5","3","6","6","3","2","5","1") = "5"
    & skf21("5","3","6","6","3","2","6","1") = "5"
    & skf21("5","3","6","6","3","2","7","1") = "6"
    & skf21("5","3","6","6","3","3","1","1") = "5"
    & skf21("5","3","6","6","3","3","2","1") = "5"
    & skf21("5","3","6","6","3","3","3","1") = "5"
    & skf21("5","3","6","6","3","3","4","1") = "5"
    & skf21("5","3","6","6","3","3","5","1") = "5"
    & skf21("5","3","6","6","3","3","6","1") = "5"
    & skf21("5","3","6","6","3","3","7","1") = "6"
    & skf21("5","3","6","6","3","4","1","1") = "5"
    & skf21("5","3","6","6","3","4","2","1") = "5"
    & skf21("5","3","6","6","3","4","3","1") = "5"
    & skf21("5","3","6","6","3","4","4","1") = "5"
    & skf21("5","3","6","6","3","4","5","1") = "5"
    & skf21("5","3","6","6","3","4","6","1") = "5"
    & skf21("5","3","6","6","3","4","7","1") = "6"
    & skf21("5","3","6","6","3","5","1","1") = "5"
    & skf21("5","3","6","6","3","5","2","1") = "5"
    & skf21("5","3","6","6","3","5","3","1") = "5"
    & skf21("5","3","6","6","3","5","4","1") = "5"
    & skf21("5","3","6","6","3","5","5","1") = "5"
    & skf21("5","3","6","6","3","5","6","1") = "5"
    & skf21("5","3","6","6","3","5","7","1") = "6"
    & skf21("5","3","6","6","3","6","1","1") = "5"
    & skf21("5","3","6","6","3","6","2","1") = "5"
    & skf21("5","3","6","6","3","6","3","1") = "5"
    & skf21("5","3","6","6","3","6","4","1") = "5"
    & skf21("5","3","6","6","3","6","5","1") = "5"
    & skf21("5","3","6","6","3","6","6","1") = "5"
    & skf21("5","3","6","6","3","6","7","1") = "6"
    & skf21("5","3","6","6","3","7","1","1") = "6"
    & skf21("5","3","6","6","3","7","2","1") = "6"
    & skf21("5","3","6","6","3","7","3","1") = "6"
    & skf21("5","3","6","6","3","7","4","1") = "6"
    & skf21("5","3","6","6","3","7","5","1") = "6"
    & skf21("5","3","6","6","3","7","6","1") = "6"
    & skf21("5","3","6","6","3","7","7","1") = "6"
    & skf21("5","3","6","6","4","1","1","1") = "5"
    & skf21("5","3","6","6","4","1","2","1") = "5"
    & skf21("5","3","6","6","4","1","3","1") = "5"
    & skf21("5","3","6","6","4","1","4","1") = "5"
    & skf21("5","3","6","6","4","1","5","1") = "5"
    & skf21("5","3","6","6","4","1","6","1") = "5"
    & skf21("5","3","6","6","4","1","7","1") = "6"
    & skf21("5","3","6","6","4","2","1","1") = "5"
    & skf21("5","3","6","6","4","2","2","1") = "5"
    & skf21("5","3","6","6","4","2","3","1") = "5"
    & skf21("5","3","6","6","4","2","4","1") = "5"
    & skf21("5","3","6","6","4","2","5","1") = "5"
    & skf21("5","3","6","6","4","2","6","1") = "5"
    & skf21("5","3","6","6","4","2","7","1") = "6"
    & skf21("5","3","6","6","4","3","1","1") = "5"
    & skf21("5","3","6","6","4","3","2","1") = "5"
    & skf21("5","3","6","6","4","3","3","1") = "5"
    & skf21("5","3","6","6","4","3","4","1") = "5"
    & skf21("5","3","6","6","4","3","5","1") = "5"
    & skf21("5","3","6","6","4","3","6","1") = "5"
    & skf21("5","3","6","6","4","3","7","1") = "6"
    & skf21("5","3","6","6","4","4","1","1") = "5"
    & skf21("5","3","6","6","4","4","2","1") = "5"
    & skf21("5","3","6","6","4","4","3","1") = "5"
    & skf21("5","3","6","6","4","4","4","1") = "5"
    & skf21("5","3","6","6","4","4","5","1") = "5"
    & skf21("5","3","6","6","4","4","6","1") = "5"
    & skf21("5","3","6","6","4","4","7","1") = "6"
    & skf21("5","3","6","6","4","5","1","1") = "5"
    & skf21("5","3","6","6","4","5","2","1") = "5"
    & skf21("5","3","6","6","4","5","3","1") = "5"
    & skf21("5","3","6","6","4","5","4","1") = "5"
    & skf21("5","3","6","6","4","5","5","1") = "5"
    & skf21("5","3","6","6","4","5","6","1") = "5"
    & skf21("5","3","6","6","4","5","7","1") = "6"
    & skf21("5","3","6","6","4","6","1","1") = "5"
    & skf21("5","3","6","6","4","6","2","1") = "5"
    & skf21("5","3","6","6","4","6","3","1") = "5"
    & skf21("5","3","6","6","4","6","4","1") = "5"
    & skf21("5","3","6","6","4","6","5","1") = "5"
    & skf21("5","3","6","6","4","6","6","1") = "5"
    & skf21("5","3","6","6","4","6","7","1") = "6"
    & skf21("5","3","6","6","4","7","1","1") = "6"
    & skf21("5","3","6","6","4","7","2","1") = "6"
    & skf21("5","3","6","6","4","7","3","1") = "6"
    & skf21("5","3","6","6","4","7","4","1") = "6"
    & skf21("5","3","6","6","4","7","5","1") = "6"
    & skf21("5","3","6","6","4","7","6","1") = "6"
    & skf21("5","3","6","6","4","7","7","1") = "6"
    & skf21("5","3","6","6","5","1","1","1") = "5"
    & skf21("5","3","6","6","5","1","2","1") = "5"
    & skf21("5","3","6","6","5","1","3","1") = "5"
    & skf21("5","3","6","6","5","1","4","1") = "5"
    & skf21("5","3","6","6","5","1","5","1") = "5"
    & skf21("5","3","6","6","5","1","6","1") = "5"
    & skf21("5","3","6","6","5","1","7","1") = "6"
    & skf21("5","3","6","6","5","2","1","1") = "5"
    & skf21("5","3","6","6","5","2","2","1") = "5"
    & skf21("5","3","6","6","5","2","3","1") = "5"
    & skf21("5","3","6","6","5","2","4","1") = "5"
    & skf21("5","3","6","6","5","2","5","1") = "5"
    & skf21("5","3","6","6","5","2","6","1") = "5"
    & skf21("5","3","6","6","5","2","7","1") = "6"
    & skf21("5","3","6","6","5","3","1","1") = "5"
    & skf21("5","3","6","6","5","3","2","1") = "5"
    & skf21("5","3","6","6","5","3","3","1") = "5"
    & skf21("5","3","6","6","5","3","4","1") = "5"
    & skf21("5","3","6","6","5","3","5","1") = "5"
    & skf21("5","3","6","6","5","3","6","1") = "5"
    & skf21("5","3","6","6","5","3","7","1") = "6"
    & skf21("5","3","6","6","5","4","1","1") = "5"
    & skf21("5","3","6","6","5","4","2","1") = "5"
    & skf21("5","3","6","6","5","4","3","1") = "5"
    & skf21("5","3","6","6","5","4","4","1") = "5"
    & skf21("5","3","6","6","5","4","5","1") = "5"
    & skf21("5","3","6","6","5","4","6","1") = "5"
    & skf21("5","3","6","6","5","4","7","1") = "6"
    & skf21("5","3","6","6","5","5","1","1") = "5"
    & skf21("5","3","6","6","5","5","2","1") = "5"
    & skf21("5","3","6","6","5","5","3","1") = "5"
    & skf21("5","3","6","6","5","5","4","1") = "5"
    & skf21("5","3","6","6","5","5","5","1") = "5"
    & skf21("5","3","6","6","5","5","6","1") = "5"
    & skf21("5","3","6","6","5","5","7","1") = "6"
    & skf21("5","3","6","6","5","6","1","1") = "5"
    & skf21("5","3","6","6","5","6","2","1") = "5"
    & skf21("5","3","6","6","5","6","3","1") = "5"
    & skf21("5","3","6","6","5","6","4","1") = "5"
    & skf21("5","3","6","6","5","6","5","1") = "5"
    & skf21("5","3","6","6","5","6","6","1") = "5"
    & skf21("5","3","6","6","5","6","7","1") = "6"
    & skf21("5","3","6","6","5","7","1","1") = "6"
    & skf21("5","3","6","6","5","7","2","1") = "6"
    & skf21("5","3","6","6","5","7","3","1") = "6"
    & skf21("5","3","6","6","5","7","4","1") = "6"
    & skf21("5","3","6","6","5","7","5","1") = "6"
    & skf21("5","3","6","6","5","7","6","1") = "6"
    & skf21("5","3","6","6","5","7","7","1") = "6"
    & skf21("5","3","6","6","6","1","1","1") = "5"
    & skf21("5","3","6","6","6","1","2","1") = "5"
    & skf21("5","3","6","6","6","1","3","1") = "5"
    & skf21("5","3","6","6","6","1","4","1") = "5"
    & skf21("5","3","6","6","6","1","5","1") = "5"
    & skf21("5","3","6","6","6","1","6","1") = "5"
    & skf21("5","3","6","6","6","1","7","1") = "6"
    & skf21("5","3","6","6","6","2","1","1") = "5"
    & skf21("5","3","6","6","6","2","2","1") = "5"
    & skf21("5","3","6","6","6","2","3","1") = "5"
    & skf21("5","3","6","6","6","2","4","1") = "5"
    & skf21("5","3","6","6","6","2","5","1") = "5"
    & skf21("5","3","6","6","6","2","6","1") = "5"
    & skf21("5","3","6","6","6","2","7","1") = "6"
    & skf21("5","3","6","6","6","3","1","1") = "5"
    & skf21("5","3","6","6","6","3","2","1") = "5"
    & skf21("5","3","6","6","6","3","3","1") = "5"
    & skf21("5","3","6","6","6","3","4","1") = "5"
    & skf21("5","3","6","6","6","3","5","1") = "5"
    & skf21("5","3","6","6","6","3","6","1") = "5"
    & skf21("5","3","6","6","6","3","7","1") = "6"
    & skf21("5","3","6","6","6","4","1","1") = "5"
    & skf21("5","3","6","6","6","4","2","1") = "5"
    & skf21("5","3","6","6","6","4","3","1") = "5"
    & skf21("5","3","6","6","6","4","4","1") = "5"
    & skf21("5","3","6","6","6","4","5","1") = "5"
    & skf21("5","3","6","6","6","4","6","1") = "5"
    & skf21("5","3","6","6","6","4","7","1") = "6"
    & skf21("5","3","6","6","6","5","1","1") = "5"
    & skf21("5","3","6","6","6","5","2","1") = "5"
    & skf21("5","3","6","6","6","5","3","1") = "5"
    & skf21("5","3","6","6","6","5","4","1") = "5"
    & skf21("5","3","6","6","6","5","5","1") = "5"
    & skf21("5","3","6","6","6","5","6","1") = "5"
    & skf21("5","3","6","6","6","5","7","1") = "6"
    & skf21("5","3","6","6","6","6","1","1") = "5"
    & skf21("5","3","6","6","6","6","2","1") = "5"
    & skf21("5","3","6","6","6","6","3","1") = "5"
    & skf21("5","3","6","6","6","6","4","1") = "5"
    & skf21("5","3","6","6","6","6","5","1") = "5"
    & skf21("5","3","6","6","6","6","6","1") = "5"
    & skf21("5","3","6","6","6","6","7","1") = "6"
    & skf21("5","3","6","6","6","7","1","1") = "6"
    & skf21("5","3","6","6","6","7","2","1") = "6"
    & skf21("5","3","6","6","6","7","3","1") = "6"
    & skf21("5","3","6","6","6","7","4","1") = "6"
    & skf21("5","3","6","6","6","7","5","1") = "6"
    & skf21("5","3","6","6","6","7","6","1") = "6"
    & skf21("5","3","6","6","6","7","7","1") = "6"
    & skf21("5","3","6","6","7","1","1","1") = "6"
    & skf21("5","3","6","6","7","1","2","1") = "6"
    & skf21("5","3","6","6","7","1","3","1") = "6"
    & skf21("5","3","6","6","7","1","4","1") = "6"
    & skf21("5","3","6","6","7","1","5","1") = "6"
    & skf21("5","3","6","6","7","1","6","1") = "6"
    & skf21("5","3","6","6","7","1","7","1") = "6"
    & skf21("5","3","6","6","7","2","1","1") = "6"
    & skf21("5","3","6","6","7","2","2","1") = "6"
    & skf21("5","3","6","6","7","2","3","1") = "6"
    & skf21("5","3","6","6","7","2","4","1") = "6"
    & skf21("5","3","6","6","7","2","5","1") = "6"
    & skf21("5","3","6","6","7","2","6","1") = "6"
    & skf21("5","3","6","6","7","2","7","1") = "6"
    & skf21("5","3","6","6","7","3","1","1") = "6"
    & skf21("5","3","6","6","7","3","2","1") = "6"
    & skf21("5","3","6","6","7","3","3","1") = "6"
    & skf21("5","3","6","6","7","3","4","1") = "6"
    & skf21("5","3","6","6","7","3","5","1") = "6"
    & skf21("5","3","6","6","7","3","6","1") = "6"
    & skf21("5","3","6","6","7","3","7","1") = "6"
    & skf21("5","3","6","6","7","4","1","1") = "6"
    & skf21("5","3","6","6","7","4","2","1") = "6"
    & skf21("5","3","6","6","7","4","3","1") = "6"
    & skf21("5","3","6","6","7","4","4","1") = "6"
    & skf21("5","3","6","6","7","4","5","1") = "6"
    & skf21("5","3","6","6","7","4","6","1") = "6"
    & skf21("5","3","6","6","7","4","7","1") = "6"
    & skf21("5","3","6","6","7","5","1","1") = "6"
    & skf21("5","3","6","6","7","5","2","1") = "6"
    & skf21("5","3","6","6","7","5","3","1") = "6"
    & skf21("5","3","6","6","7","5","4","1") = "6"
    & skf21("5","3","6","6","7","5","5","1") = "6"
    & skf21("5","3","6","6","7","5","6","1") = "6"
    & skf21("5","3","6","6","7","5","7","1") = "6"
    & skf21("5","3","6","6","7","6","1","1") = "6"
    & skf21("5","3","6","6","7","6","2","1") = "6"
    & skf21("5","3","6","6","7","6","3","1") = "6"
    & skf21("5","3","6","6","7","6","4","1") = "6"
    & skf21("5","3","6","6","7","6","5","1") = "6"
    & skf21("5","3","6","6","7","6","6","1") = "6"
    & skf21("5","3","6","6","7","6","7","1") = "6"
    & skf21("5","3","6","6","7","7","1","1") = "6"
    & skf21("5","3","6","6","7","7","2","1") = "6"
    & skf21("5","3","6","6","7","7","3","1") = "6"
    & skf21("5","3","6","6","7","7","4","1") = "6"
    & skf21("5","3","6","6","7","7","5","1") = "6"
    & skf21("5","3","6","6","7","7","6","1") = "6"
    & skf21("5","3","6","6","7","7","7","1") = "6"
    & skf21("5","3","6","7","1","1","1","1") = "6"
    & skf21("5","3","6","7","1","1","2","1") = "6"
    & skf21("5","3","6","7","1","1","3","1") = "6"
    & skf21("5","3","6","7","1","1","4","1") = "6"
    & skf21("5","3","6","7","1","1","5","1") = "6"
    & skf21("5","3","6","7","1","1","6","1") = "6"
    & skf21("5","3","6","7","1","1","7","1") = "6"
    & skf21("5","3","6","7","1","2","1","1") = "6"
    & skf21("5","3","6","7","1","2","2","1") = "6"
    & skf21("5","3","6","7","1","2","3","1") = "6"
    & skf21("5","3","6","7","1","2","4","1") = "6"
    & skf21("5","3","6","7","1","2","5","1") = "6"
    & skf21("5","3","6","7","1","2","6","1") = "6"
    & skf21("5","3","6","7","1","2","7","1") = "6"
    & skf21("5","3","6","7","1","3","1","1") = "6"
    & skf21("5","3","6","7","1","3","2","1") = "6"
    & skf21("5","3","6","7","1","3","3","1") = "6"
    & skf21("5","3","6","7","1","3","4","1") = "6"
    & skf21("5","3","6","7","1","3","5","1") = "6"
    & skf21("5","3","6","7","1","3","6","1") = "6"
    & skf21("5","3","6","7","1","3","7","1") = "6"
    & skf21("5","3","6","7","1","4","1","1") = "6"
    & skf21("5","3","6","7","1","4","2","1") = "6"
    & skf21("5","3","6","7","1","4","3","1") = "6"
    & skf21("5","3","6","7","1","4","4","1") = "6"
    & skf21("5","3","6","7","1","4","5","1") = "6"
    & skf21("5","3","6","7","1","4","6","1") = "6"
    & skf21("5","3","6","7","1","4","7","1") = "6"
    & skf21("5","3","6","7","1","5","1","1") = "6"
    & skf21("5","3","6","7","1","5","2","1") = "6"
    & skf21("5","3","6","7","1","5","3","1") = "6"
    & skf21("5","3","6","7","1","5","4","1") = "6"
    & skf21("5","3","6","7","1","5","5","1") = "6"
    & skf21("5","3","6","7","1","5","6","1") = "6"
    & skf21("5","3","6","7","1","5","7","1") = "6"
    & skf21("5","3","6","7","1","6","1","1") = "6"
    & skf21("5","3","6","7","1","6","2","1") = "6"
    & skf21("5","3","6","7","1","6","3","1") = "6"
    & skf21("5","3","6","7","1","6","4","1") = "6"
    & skf21("5","3","6","7","1","6","5","1") = "6"
    & skf21("5","3","6","7","1","6","6","1") = "6"
    & skf21("5","3","6","7","1","6","7","1") = "6"
    & skf21("5","3","6","7","1","7","1","1") = "6"
    & skf21("5","3","6","7","1","7","2","1") = "6"
    & skf21("5","3","6","7","1","7","3","1") = "6"
    & skf21("5","3","6","7","1","7","4","1") = "6"
    & skf21("5","3","6","7","1","7","5","1") = "6"
    & skf21("5","3","6","7","1","7","6","1") = "6"
    & skf21("5","3","6","7","1","7","7","1") = "6"
    & skf21("5","3","6","7","2","1","1","1") = "6"
    & skf21("5","3","6","7","2","1","2","1") = "6"
    & skf21("5","3","6","7","2","1","3","1") = "6"
    & skf21("5","3","6","7","2","1","4","1") = "6"
    & skf21("5","3","6","7","2","1","5","1") = "6"
    & skf21("5","3","6","7","2","1","6","1") = "6"
    & skf21("5","3","6","7","2","1","7","1") = "6"
    & skf21("5","3","6","7","2","2","1","1") = "6"
    & skf21("5","3","6","7","2","2","2","1") = "6"
    & skf21("5","3","6","7","2","2","3","1") = "6"
    & skf21("5","3","6","7","2","2","4","1") = "6"
    & skf21("5","3","6","7","2","2","5","1") = "6"
    & skf21("5","3","6","7","2","2","6","1") = "6"
    & skf21("5","3","6","7","2","2","7","1") = "6"
    & skf21("5","3","6","7","2","3","1","1") = "6"
    & skf21("5","3","6","7","2","3","2","1") = "6"
    & skf21("5","3","6","7","2","3","3","1") = "6"
    & skf21("5","3","6","7","2","3","4","1") = "6"
    & skf21("5","3","6","7","2","3","5","1") = "6"
    & skf21("5","3","6","7","2","3","6","1") = "6"
    & skf21("5","3","6","7","2","3","7","1") = "6"
    & skf21("5","3","6","7","2","4","1","1") = "6"
    & skf21("5","3","6","7","2","4","2","1") = "6"
    & skf21("5","3","6","7","2","4","3","1") = "6"
    & skf21("5","3","6","7","2","4","4","1") = "6"
    & skf21("5","3","6","7","2","4","5","1") = "6"
    & skf21("5","3","6","7","2","4","6","1") = "6"
    & skf21("5","3","6","7","2","4","7","1") = "6"
    & skf21("5","3","6","7","2","5","1","1") = "6"
    & skf21("5","3","6","7","2","5","2","1") = "6"
    & skf21("5","3","6","7","2","5","3","1") = "6"
    & skf21("5","3","6","7","2","5","4","1") = "6"
    & skf21("5","3","6","7","2","5","5","1") = "6"
    & skf21("5","3","6","7","2","5","6","1") = "6"
    & skf21("5","3","6","7","2","5","7","1") = "6"
    & skf21("5","3","6","7","2","6","1","1") = "6"
    & skf21("5","3","6","7","2","6","2","1") = "6"
    & skf21("5","3","6","7","2","6","3","1") = "6"
    & skf21("5","3","6","7","2","6","4","1") = "6"
    & skf21("5","3","6","7","2","6","5","1") = "6"
    & skf21("5","3","6","7","2","6","6","1") = "6"
    & skf21("5","3","6","7","2","6","7","1") = "6"
    & skf21("5","3","6","7","2","7","1","1") = "6"
    & skf21("5","3","6","7","2","7","2","1") = "6"
    & skf21("5","3","6","7","2","7","3","1") = "6"
    & skf21("5","3","6","7","2","7","4","1") = "6"
    & skf21("5","3","6","7","2","7","5","1") = "6"
    & skf21("5","3","6","7","2","7","6","1") = "6"
    & skf21("5","3","6","7","2","7","7","1") = "6"
    & skf21("5","3","6","7","3","1","1","1") = "6"
    & skf21("5","3","6","7","3","1","2","1") = "6"
    & skf21("5","3","6","7","3","1","3","1") = "6"
    & skf21("5","3","6","7","3","1","4","1") = "6"
    & skf21("5","3","6","7","3","1","5","1") = "6"
    & skf21("5","3","6","7","3","1","6","1") = "6"
    & skf21("5","3","6","7","3","1","7","1") = "6"
    & skf21("5","3","6","7","3","2","1","1") = "6"
    & skf21("5","3","6","7","3","2","2","1") = "6"
    & skf21("5","3","6","7","3","2","3","1") = "6"
    & skf21("5","3","6","7","3","2","4","1") = "6"
    & skf21("5","3","6","7","3","2","5","1") = "6"
    & skf21("5","3","6","7","3","2","6","1") = "6"
    & skf21("5","3","6","7","3","2","7","1") = "6"
    & skf21("5","3","6","7","3","3","1","1") = "6"
    & skf21("5","3","6","7","3","3","2","1") = "6"
    & skf21("5","3","6","7","3","3","3","1") = "6"
    & skf21("5","3","6","7","3","3","4","1") = "6"
    & skf21("5","3","6","7","3","3","5","1") = "6"
    & skf21("5","3","6","7","3","3","6","1") = "6"
    & skf21("5","3","6","7","3","3","7","1") = "6"
    & skf21("5","3","6","7","3","4","1","1") = "6"
    & skf21("5","3","6","7","3","4","2","1") = "6"
    & skf21("5","3","6","7","3","4","3","1") = "6"
    & skf21("5","3","6","7","3","4","4","1") = "6"
    & skf21("5","3","6","7","3","4","5","1") = "6"
    & skf21("5","3","6","7","3","4","6","1") = "6"
    & skf21("5","3","6","7","3","4","7","1") = "6"
    & skf21("5","3","6","7","3","5","1","1") = "6"
    & skf21("5","3","6","7","3","5","2","1") = "6"
    & skf21("5","3","6","7","3","5","3","1") = "6"
    & skf21("5","3","6","7","3","5","4","1") = "6"
    & skf21("5","3","6","7","3","5","5","1") = "6"
    & skf21("5","3","6","7","3","5","6","1") = "6"
    & skf21("5","3","6","7","3","5","7","1") = "6"
    & skf21("5","3","6","7","3","6","1","1") = "6"
    & skf21("5","3","6","7","3","6","2","1") = "6"
    & skf21("5","3","6","7","3","6","3","1") = "6"
    & skf21("5","3","6","7","3","6","4","1") = "6"
    & skf21("5","3","6","7","3","6","5","1") = "6"
    & skf21("5","3","6","7","3","6","6","1") = "6"
    & skf21("5","3","6","7","3","6","7","1") = "6"
    & skf21("5","3","6","7","3","7","1","1") = "6"
    & skf21("5","3","6","7","3","7","2","1") = "6"
    & skf21("5","3","6","7","3","7","3","1") = "6"
    & skf21("5","3","6","7","3","7","4","1") = "6"
    & skf21("5","3","6","7","3","7","5","1") = "6"
    & skf21("5","3","6","7","3","7","6","1") = "6"
    & skf21("5","3","6","7","3","7","7","1") = "6"
    & skf21("5","3","6","7","4","1","1","1") = "6"
    & skf21("5","3","6","7","4","1","2","1") = "6"
    & skf21("5","3","6","7","4","1","3","1") = "6"
    & skf21("5","3","6","7","4","1","4","1") = "6"
    & skf21("5","3","6","7","4","1","5","1") = "6"
    & skf21("5","3","6","7","4","1","6","1") = "6"
    & skf21("5","3","6","7","4","1","7","1") = "6"
    & skf21("5","3","6","7","4","2","1","1") = "6"
    & skf21("5","3","6","7","4","2","2","1") = "6"
    & skf21("5","3","6","7","4","2","3","1") = "6"
    & skf21("5","3","6","7","4","2","4","1") = "6"
    & skf21("5","3","6","7","4","2","5","1") = "6"
    & skf21("5","3","6","7","4","2","6","1") = "6"
    & skf21("5","3","6","7","4","2","7","1") = "6"
    & skf21("5","3","6","7","4","3","1","1") = "6"
    & skf21("5","3","6","7","4","3","2","1") = "6"
    & skf21("5","3","6","7","4","3","3","1") = "6"
    & skf21("5","3","6","7","4","3","4","1") = "6"
    & skf21("5","3","6","7","4","3","5","1") = "6"
    & skf21("5","3","6","7","4","3","6","1") = "6"
    & skf21("5","3","6","7","4","3","7","1") = "6"
    & skf21("5","3","6","7","4","4","1","1") = "6"
    & skf21("5","3","6","7","4","4","2","1") = "6"
    & skf21("5","3","6","7","4","4","3","1") = "6"
    & skf21("5","3","6","7","4","4","4","1") = "6"
    & skf21("5","3","6","7","4","4","5","1") = "6"
    & skf21("5","3","6","7","4","4","6","1") = "6"
    & skf21("5","3","6","7","4","4","7","1") = "6"
    & skf21("5","3","6","7","4","5","1","1") = "6"
    & skf21("5","3","6","7","4","5","2","1") = "6"
    & skf21("5","3","6","7","4","5","3","1") = "6"
    & skf21("5","3","6","7","4","5","4","1") = "6"
    & skf21("5","3","6","7","4","5","5","1") = "6"
    & skf21("5","3","6","7","4","5","6","1") = "6"
    & skf21("5","3","6","7","4","5","7","1") = "6"
    & skf21("5","3","6","7","4","6","1","1") = "6"
    & skf21("5","3","6","7","4","6","2","1") = "6"
    & skf21("5","3","6","7","4","6","3","1") = "6"
    & skf21("5","3","6","7","4","6","4","1") = "6"
    & skf21("5","3","6","7","4","6","5","1") = "6"
    & skf21("5","3","6","7","4","6","6","1") = "6"
    & skf21("5","3","6","7","4","6","7","1") = "6"
    & skf21("5","3","6","7","4","7","1","1") = "6"
    & skf21("5","3","6","7","4","7","2","1") = "6"
    & skf21("5","3","6","7","4","7","3","1") = "6"
    & skf21("5","3","6","7","4","7","4","1") = "6"
    & skf21("5","3","6","7","4","7","5","1") = "6"
    & skf21("5","3","6","7","4","7","6","1") = "6"
    & skf21("5","3","6","7","4","7","7","1") = "6"
    & skf21("5","3","6","7","5","1","1","1") = "6"
    & skf21("5","3","6","7","5","1","2","1") = "6"
    & skf21("5","3","6","7","5","1","3","1") = "6"
    & skf21("5","3","6","7","5","1","4","1") = "6"
    & skf21("5","3","6","7","5","1","5","1") = "6"
    & skf21("5","3","6","7","5","1","6","1") = "6"
    & skf21("5","3","6","7","5","1","7","1") = "6"
    & skf21("5","3","6","7","5","2","1","1") = "6"
    & skf21("5","3","6","7","5","2","2","1") = "6"
    & skf21("5","3","6","7","5","2","3","1") = "6"
    & skf21("5","3","6","7","5","2","4","1") = "6"
    & skf21("5","3","6","7","5","2","5","1") = "6"
    & skf21("5","3","6","7","5","2","6","1") = "6"
    & skf21("5","3","6","7","5","2","7","1") = "6"
    & skf21("5","3","6","7","5","3","1","1") = "6"
    & skf21("5","3","6","7","5","3","2","1") = "6"
    & skf21("5","3","6","7","5","3","3","1") = "6"
    & skf21("5","3","6","7","5","3","4","1") = "6"
    & skf21("5","3","6","7","5","3","5","1") = "6"
    & skf21("5","3","6","7","5","3","6","1") = "6"
    & skf21("5","3","6","7","5","3","7","1") = "6"
    & skf21("5","3","6","7","5","4","1","1") = "6"
    & skf21("5","3","6","7","5","4","2","1") = "6"
    & skf21("5","3","6","7","5","4","3","1") = "6"
    & skf21("5","3","6","7","5","4","4","1") = "6"
    & skf21("5","3","6","7","5","4","5","1") = "6"
    & skf21("5","3","6","7","5","4","6","1") = "6"
    & skf21("5","3","6","7","5","4","7","1") = "6"
    & skf21("5","3","6","7","5","5","1","1") = "6"
    & skf21("5","3","6","7","5","5","2","1") = "6"
    & skf21("5","3","6","7","5","5","3","1") = "6"
    & skf21("5","3","6","7","5","5","4","1") = "6"
    & skf21("5","3","6","7","5","5","5","1") = "6"
    & skf21("5","3","6","7","5","5","6","1") = "6"
    & skf21("5","3","6","7","5","5","7","1") = "6"
    & skf21("5","3","6","7","5","6","1","1") = "6"
    & skf21("5","3","6","7","5","6","2","1") = "6"
    & skf21("5","3","6","7","5","6","3","1") = "6"
    & skf21("5","3","6","7","5","6","4","1") = "6"
    & skf21("5","3","6","7","5","6","5","1") = "6"
    & skf21("5","3","6","7","5","6","6","1") = "6"
    & skf21("5","3","6","7","5","6","7","1") = "6"
    & skf21("5","3","6","7","5","7","1","1") = "6"
    & skf21("5","3","6","7","5","7","2","1") = "6"
    & skf21("5","3","6","7","5","7","3","1") = "6"
    & skf21("5","3","6","7","5","7","4","1") = "6"
    & skf21("5","3","6","7","5","7","5","1") = "6"
    & skf21("5","3","6","7","5","7","6","1") = "6"
    & skf21("5","3","6","7","5","7","7","1") = "6"
    & skf21("5","3","6","7","6","1","1","1") = "6"
    & skf21("5","3","6","7","6","1","2","1") = "6"
    & skf21("5","3","6","7","6","1","3","1") = "6"
    & skf21("5","3","6","7","6","1","4","1") = "6"
    & skf21("5","3","6","7","6","1","5","1") = "6"
    & skf21("5","3","6","7","6","1","6","1") = "6"
    & skf21("5","3","6","7","6","1","7","1") = "6"
    & skf21("5","3","6","7","6","2","1","1") = "6"
    & skf21("5","3","6","7","6","2","2","1") = "6"
    & skf21("5","3","6","7","6","2","3","1") = "6"
    & skf21("5","3","6","7","6","2","4","1") = "6"
    & skf21("5","3","6","7","6","2","5","1") = "6"
    & skf21("5","3","6","7","6","2","6","1") = "6"
    & skf21("5","3","6","7","6","2","7","1") = "6"
    & skf21("5","3","6","7","6","3","1","1") = "6"
    & skf21("5","3","6","7","6","3","2","1") = "6"
    & skf21("5","3","6","7","6","3","3","1") = "6"
    & skf21("5","3","6","7","6","3","4","1") = "6"
    & skf21("5","3","6","7","6","3","5","1") = "6"
    & skf21("5","3","6","7","6","3","6","1") = "6"
    & skf21("5","3","6","7","6","3","7","1") = "6"
    & skf21("5","3","6","7","6","4","1","1") = "6"
    & skf21("5","3","6","7","6","4","2","1") = "6"
    & skf21("5","3","6","7","6","4","3","1") = "6"
    & skf21("5","3","6","7","6","4","4","1") = "6"
    & skf21("5","3","6","7","6","4","5","1") = "6"
    & skf21("5","3","6","7","6","4","6","1") = "6"
    & skf21("5","3","6","7","6","4","7","1") = "6"
    & skf21("5","3","6","7","6","5","1","1") = "6"
    & skf21("5","3","6","7","6","5","2","1") = "6"
    & skf21("5","3","6","7","6","5","3","1") = "6"
    & skf21("5","3","6","7","6","5","4","1") = "6"
    & skf21("5","3","6","7","6","5","5","1") = "6"
    & skf21("5","3","6","7","6","5","6","1") = "6"
    & skf21("5","3","6","7","6","5","7","1") = "6"
    & skf21("5","3","6","7","6","6","1","1") = "6"
    & skf21("5","3","6","7","6","6","2","1") = "6"
    & skf21("5","3","6","7","6","6","3","1") = "6"
    & skf21("5","3","6","7","6","6","4","1") = "6"
    & skf21("5","3","6","7","6","6","5","1") = "6"
    & skf21("5","3","6","7","6","6","6","1") = "6"
    & skf21("5","3","6","7","6","6","7","1") = "6"
    & skf21("5","3","6","7","6","7","1","1") = "6"
    & skf21("5","3","6","7","6","7","2","1") = "6"
    & skf21("5","3","6","7","6","7","3","1") = "6"
    & skf21("5","3","6","7","6","7","4","1") = "6"
    & skf21("5","3","6","7","6","7","5","1") = "6"
    & skf21("5","3","6","7","6","7","6","1") = "6"
    & skf21("5","3","6","7","6","7","7","1") = "6"
    & skf21("5","3","6","7","7","1","1","1") = "6"
    & skf21("5","3","6","7","7","1","2","1") = "6"
    & skf21("5","3","6","7","7","1","3","1") = "6"
    & skf21("5","3","6","7","7","1","4","1") = "6"
    & skf21("5","3","6","7","7","1","5","1") = "6"
    & skf21("5","3","6","7","7","1","6","1") = "6"
    & skf21("5","3","6","7","7","1","7","1") = "6"
    & skf21("5","3","6","7","7","2","1","1") = "6"
    & skf21("5","3","6","7","7","2","2","1") = "6"
    & skf21("5","3","6","7","7","2","3","1") = "6"
    & skf21("5","3","6","7","7","2","4","1") = "6"
    & skf21("5","3","6","7","7","2","5","1") = "6"
    & skf21("5","3","6","7","7","2","6","1") = "6"
    & skf21("5","3","6","7","7","2","7","1") = "6"
    & skf21("5","3","6","7","7","3","1","1") = "6"
    & skf21("5","3","6","7","7","3","2","1") = "6"
    & skf21("5","3","6","7","7","3","3","1") = "6"
    & skf21("5","3","6","7","7","3","4","1") = "6"
    & skf21("5","3","6","7","7","3","5","1") = "6"
    & skf21("5","3","6","7","7","3","6","1") = "6"
    & skf21("5","3","6","7","7","3","7","1") = "6"
    & skf21("5","3","6","7","7","4","1","1") = "6"
    & skf21("5","3","6","7","7","4","2","1") = "6"
    & skf21("5","3","6","7","7","4","3","1") = "6"
    & skf21("5","3","6","7","7","4","4","1") = "6"
    & skf21("5","3","6","7","7","4","5","1") = "6"
    & skf21("5","3","6","7","7","4","6","1") = "6"
    & skf21("5","3","6","7","7","4","7","1") = "6"
    & skf21("5","3","6","7","7","5","1","1") = "6"
    & skf21("5","3","6","7","7","5","2","1") = "6"
    & skf21("5","3","6","7","7","5","3","1") = "6"
    & skf21("5","3","6","7","7","5","4","1") = "6"
    & skf21("5","3","6","7","7","5","5","1") = "6"
    & skf21("5","3","6","7","7","5","6","1") = "6"
    & skf21("5","3","6","7","7","5","7","1") = "6"
    & skf21("5","3","6","7","7","6","1","1") = "6"
    & skf21("5","3","6","7","7","6","2","1") = "6"
    & skf21("5","3","6","7","7","6","3","1") = "6"
    & skf21("5","3","6","7","7","6","4","1") = "6"
    & skf21("5","3","6","7","7","6","5","1") = "6"
    & skf21("5","3","6","7","7","6","6","1") = "6"
    & skf21("5","3","6","7","7","6","7","1") = "6"
    & skf21("5","3","6","7","7","7","1","1") = "6"
    & skf21("5","3","6","7","7","7","2","1") = "6"
    & skf21("5","3","6","7","7","7","3","1") = "6"
    & skf21("5","3","6","7","7","7","4","1") = "6"
    & skf21("5","3","6","7","7","7","5","1") = "6"
    & skf21("5","3","6","7","7","7","6","1") = "6"
    & skf21("5","3","6","7","7","7","7","1") = "6"
    & skf21("5","3","7","1","1","1","1","1") = "6"
    & skf21("5","3","7","1","1","1","2","1") = "6"
    & skf21("5","3","7","1","1","1","3","1") = "6"
    & skf21("5","3","7","1","1","1","4","1") = "6"
    & skf21("5","3","7","1","1","1","5","1") = "6"
    & skf21("5","3","7","1","1","1","6","1") = "6"
    & skf21("5","3","7","1","1","1","7","1") = "6"
    & skf21("5","3","7","1","1","2","1","1") = "6"
    & skf21("5","3","7","1","1","2","2","1") = "6"
    & skf21("5","3","7","1","1","2","3","1") = "6"
    & skf21("5","3","7","1","1","2","4","1") = "6"
    & skf21("5","3","7","1","1","2","5","1") = "6"
    & skf21("5","3","7","1","1","2","6","1") = "6"
    & skf21("5","3","7","1","1","2","7","1") = "6"
    & skf21("5","3","7","1","1","3","1","1") = "6"
    & skf21("5","3","7","1","1","3","2","1") = "6"
    & skf21("5","3","7","1","1","3","3","1") = "6"
    & skf21("5","3","7","1","1","3","4","1") = "6"
    & skf21("5","3","7","1","1","3","5","1") = "6"
    & skf21("5","3","7","1","1","3","6","1") = "6"
    & skf21("5","3","7","1","1","3","7","1") = "6"
    & skf21("5","3","7","1","1","4","1","1") = "6"
    & skf21("5","3","7","1","1","4","2","1") = "6"
    & skf21("5","3","7","1","1","4","3","1") = "6"
    & skf21("5","3","7","1","1","4","4","1") = "6"
    & skf21("5","3","7","1","1","4","5","1") = "6"
    & skf21("5","3","7","1","1","4","6","1") = "6"
    & skf21("5","3","7","1","1","4","7","1") = "6"
    & skf21("5","3","7","1","1","5","1","1") = "6"
    & skf21("5","3","7","1","1","5","2","1") = "6"
    & skf21("5","3","7","1","1","5","3","1") = "6"
    & skf21("5","3","7","1","1","5","4","1") = "6"
    & skf21("5","3","7","1","1","5","5","1") = "6"
    & skf21("5","3","7","1","1","5","6","1") = "6"
    & skf21("5","3","7","1","1","5","7","1") = "6"
    & skf21("5","3","7","1","1","6","1","1") = "6"
    & skf21("5","3","7","1","1","6","2","1") = "6"
    & skf21("5","3","7","1","1","6","3","1") = "6"
    & skf21("5","3","7","1","1","6","4","1") = "6"
    & skf21("5","3","7","1","1","6","5","1") = "6"
    & skf21("5","3","7","1","1","6","6","1") = "6"
    & skf21("5","3","7","1","1","6","7","1") = "6"
    & skf21("5","3","7","1","1","7","1","1") = "6"
    & skf21("5","3","7","1","1","7","2","1") = "6"
    & skf21("5","3","7","1","1","7","3","1") = "6"
    & skf21("5","3","7","1","1","7","4","1") = "6"
    & skf21("5","3","7","1","1","7","5","1") = "6"
    & skf21("5","3","7","1","1","7","6","1") = "6"
    & skf21("5","3","7","1","1","7","7","1") = "6"
    & skf21("5","3","7","1","2","1","1","1") = "6"
    & skf21("5","3","7","1","2","1","2","1") = "6"
    & skf21("5","3","7","1","2","1","3","1") = "6"
    & skf21("5","3","7","1","2","1","4","1") = "6"
    & skf21("5","3","7","1","2","1","5","1") = "6"
    & skf21("5","3","7","1","2","1","6","1") = "6"
    & skf21("5","3","7","1","2","1","7","1") = "6"
    & skf21("5","3","7","1","2","2","1","1") = "6"
    & skf21("5","3","7","1","2","2","2","1") = "6"
    & skf21("5","3","7","1","2","2","3","1") = "6"
    & skf21("5","3","7","1","2","2","4","1") = "6"
    & skf21("5","3","7","1","2","2","5","1") = "6"
    & skf21("5","3","7","1","2","2","6","1") = "6"
    & skf21("5","3","7","1","2","2","7","1") = "6"
    & skf21("5","3","7","1","2","3","1","1") = "6"
    & skf21("5","3","7","1","2","3","2","1") = "6"
    & skf21("5","3","7","1","2","3","3","1") = "6"
    & skf21("5","3","7","1","2","3","4","1") = "6"
    & skf21("5","3","7","1","2","3","5","1") = "6"
    & skf21("5","3","7","1","2","3","6","1") = "6"
    & skf21("5","3","7","1","2","3","7","1") = "6"
    & skf21("5","3","7","1","2","4","1","1") = "6"
    & skf21("5","3","7","1","2","4","2","1") = "6"
    & skf21("5","3","7","1","2","4","3","1") = "6"
    & skf21("5","3","7","1","2","4","4","1") = "6"
    & skf21("5","3","7","1","2","4","5","1") = "6"
    & skf21("5","3","7","1","2","4","6","1") = "6"
    & skf21("5","3","7","1","2","4","7","1") = "6"
    & skf21("5","3","7","1","2","5","1","1") = "6"
    & skf21("5","3","7","1","2","5","2","1") = "6"
    & skf21("5","3","7","1","2","5","3","1") = "6"
    & skf21("5","3","7","1","2","5","4","1") = "6"
    & skf21("5","3","7","1","2","5","5","1") = "6"
    & skf21("5","3","7","1","2","5","6","1") = "6"
    & skf21("5","3","7","1","2","5","7","1") = "6"
    & skf21("5","3","7","1","2","6","1","1") = "6"
    & skf21("5","3","7","1","2","6","2","1") = "6"
    & skf21("5","3","7","1","2","6","3","1") = "6"
    & skf21("5","3","7","1","2","6","4","1") = "6"
    & skf21("5","3","7","1","2","6","5","1") = "6"
    & skf21("5","3","7","1","2","6","6","1") = "6"
    & skf21("5","3","7","1","2","6","7","1") = "6"
    & skf21("5","3","7","1","2","7","1","1") = "6"
    & skf21("5","3","7","1","2","7","2","1") = "6"
    & skf21("5","3","7","1","2","7","3","1") = "6"
    & skf21("5","3","7","1","2","7","4","1") = "6"
    & skf21("5","3","7","1","2","7","5","1") = "6"
    & skf21("5","3","7","1","2","7","6","1") = "6"
    & skf21("5","3","7","1","2","7","7","1") = "6"
    & skf21("5","3","7","1","3","1","1","1") = "6"
    & skf21("5","3","7","1","3","1","2","1") = "6"
    & skf21("5","3","7","1","3","1","3","1") = "6"
    & skf21("5","3","7","1","3","1","4","1") = "6"
    & skf21("5","3","7","1","3","1","5","1") = "6"
    & skf21("5","3","7","1","3","1","6","1") = "6"
    & skf21("5","3","7","1","3","1","7","1") = "6"
    & skf21("5","3","7","1","3","2","1","1") = "6"
    & skf21("5","3","7","1","3","2","2","1") = "6"
    & skf21("5","3","7","1","3","2","3","1") = "6"
    & skf21("5","3","7","1","3","2","4","1") = "6"
    & skf21("5","3","7","1","3","2","5","1") = "6"
    & skf21("5","3","7","1","3","2","6","1") = "6"
    & skf21("5","3","7","1","3","2","7","1") = "6"
    & skf21("5","3","7","1","3","3","1","1") = "6"
    & skf21("5","3","7","1","3","3","2","1") = "6"
    & skf21("5","3","7","1","3","3","3","1") = "6"
    & skf21("5","3","7","1","3","3","4","1") = "6"
    & skf21("5","3","7","1","3","3","5","1") = "6"
    & skf21("5","3","7","1","3","3","6","1") = "6"
    & skf21("5","3","7","1","3","3","7","1") = "6"
    & skf21("5","3","7","1","3","4","1","1") = "6"
    & skf21("5","3","7","1","3","4","2","1") = "6"
    & skf21("5","3","7","1","3","4","3","1") = "6"
    & skf21("5","3","7","1","3","4","4","1") = "6"
    & skf21("5","3","7","1","3","4","5","1") = "6"
    & skf21("5","3","7","1","3","4","6","1") = "6"
    & skf21("5","3","7","1","3","4","7","1") = "6"
    & skf21("5","3","7","1","3","5","1","1") = "6"
    & skf21("5","3","7","1","3","5","2","1") = "6"
    & skf21("5","3","7","1","3","5","3","1") = "6"
    & skf21("5","3","7","1","3","5","4","1") = "6"
    & skf21("5","3","7","1","3","5","5","1") = "6"
    & skf21("5","3","7","1","3","5","6","1") = "6"
    & skf21("5","3","7","1","3","5","7","1") = "6"
    & skf21("5","3","7","1","3","6","1","1") = "6"
    & skf21("5","3","7","1","3","6","2","1") = "6"
    & skf21("5","3","7","1","3","6","3","1") = "6"
    & skf21("5","3","7","1","3","6","4","1") = "6"
    & skf21("5","3","7","1","3","6","5","1") = "6"
    & skf21("5","3","7","1","3","6","6","1") = "6"
    & skf21("5","3","7","1","3","6","7","1") = "6"
    & skf21("5","3","7","1","3","7","1","1") = "6"
    & skf21("5","3","7","1","3","7","2","1") = "6"
    & skf21("5","3","7","1","3","7","3","1") = "6"
    & skf21("5","3","7","1","3","7","4","1") = "6"
    & skf21("5","3","7","1","3","7","5","1") = "6"
    & skf21("5","3","7","1","3","7","6","1") = "6"
    & skf21("5","3","7","1","3","7","7","1") = "6"
    & skf21("5","3","7","1","4","1","1","1") = "6"
    & skf21("5","3","7","1","4","1","2","1") = "6"
    & skf21("5","3","7","1","4","1","3","1") = "6"
    & skf21("5","3","7","1","4","1","4","1") = "6"
    & skf21("5","3","7","1","4","1","5","1") = "6"
    & skf21("5","3","7","1","4","1","6","1") = "6"
    & skf21("5","3","7","1","4","1","7","1") = "6"
    & skf21("5","3","7","1","4","2","1","1") = "6"
    & skf21("5","3","7","1","4","2","2","1") = "6"
    & skf21("5","3","7","1","4","2","3","1") = "6"
    & skf21("5","3","7","1","4","2","4","1") = "6"
    & skf21("5","3","7","1","4","2","5","1") = "6"
    & skf21("5","3","7","1","4","2","6","1") = "6"
    & skf21("5","3","7","1","4","2","7","1") = "6"
    & skf21("5","3","7","1","4","3","1","1") = "6"
    & skf21("5","3","7","1","4","3","2","1") = "6"
    & skf21("5","3","7","1","4","3","3","1") = "6"
    & skf21("5","3","7","1","4","3","4","1") = "6"
    & skf21("5","3","7","1","4","3","5","1") = "6"
    & skf21("5","3","7","1","4","3","6","1") = "6"
    & skf21("5","3","7","1","4","3","7","1") = "6"
    & skf21("5","3","7","1","4","4","1","1") = "6"
    & skf21("5","3","7","1","4","4","2","1") = "6"
    & skf21("5","3","7","1","4","4","3","1") = "6"
    & skf21("5","3","7","1","4","4","4","1") = "6"
    & skf21("5","3","7","1","4","4","5","1") = "6"
    & skf21("5","3","7","1","4","4","6","1") = "6"
    & skf21("5","3","7","1","4","4","7","1") = "6"
    & skf21("5","3","7","1","4","5","1","1") = "6"
    & skf21("5","3","7","1","4","5","2","1") = "6"
    & skf21("5","3","7","1","4","5","3","1") = "6"
    & skf21("5","3","7","1","4","5","4","1") = "6"
    & skf21("5","3","7","1","4","5","5","1") = "6"
    & skf21("5","3","7","1","4","5","6","1") = "6"
    & skf21("5","3","7","1","4","5","7","1") = "6"
    & skf21("5","3","7","1","4","6","1","1") = "6"
    & skf21("5","3","7","1","4","6","2","1") = "6"
    & skf21("5","3","7","1","4","6","3","1") = "6"
    & skf21("5","3","7","1","4","6","4","1") = "6"
    & skf21("5","3","7","1","4","6","5","1") = "6"
    & skf21("5","3","7","1","4","6","6","1") = "6"
    & skf21("5","3","7","1","4","6","7","1") = "6"
    & skf21("5","3","7","1","4","7","1","1") = "6"
    & skf21("5","3","7","1","4","7","2","1") = "6"
    & skf21("5","3","7","1","4","7","3","1") = "6"
    & skf21("5","3","7","1","4","7","4","1") = "6"
    & skf21("5","3","7","1","4","7","5","1") = "6"
    & skf21("5","3","7","1","4","7","6","1") = "6"
    & skf21("5","3","7","1","4","7","7","1") = "6"
    & skf21("5","3","7","1","5","1","1","1") = "6"
    & skf21("5","3","7","1","5","1","2","1") = "6"
    & skf21("5","3","7","1","5","1","3","1") = "6"
    & skf21("5","3","7","1","5","1","4","1") = "6"
    & skf21("5","3","7","1","5","1","5","1") = "6"
    & skf21("5","3","7","1","5","1","6","1") = "6"
    & skf21("5","3","7","1","5","1","7","1") = "6"
    & skf21("5","3","7","1","5","2","1","1") = "6"
    & skf21("5","3","7","1","5","2","2","1") = "6"
    & skf21("5","3","7","1","5","2","3","1") = "6"
    & skf21("5","3","7","1","5","2","4","1") = "6"
    & skf21("5","3","7","1","5","2","5","1") = "6"
    & skf21("5","3","7","1","5","2","6","1") = "6"
    & skf21("5","3","7","1","5","2","7","1") = "6"
    & skf21("5","3","7","1","5","3","1","1") = "6"
    & skf21("5","3","7","1","5","3","2","1") = "6"
    & skf21("5","3","7","1","5","3","3","1") = "6"
    & skf21("5","3","7","1","5","3","4","1") = "6"
    & skf21("5","3","7","1","5","3","5","1") = "6"
    & skf21("5","3","7","1","5","3","6","1") = "6"
    & skf21("5","3","7","1","5","3","7","1") = "6"
    & skf21("5","3","7","1","5","4","1","1") = "6"
    & skf21("5","3","7","1","5","4","2","1") = "6"
    & skf21("5","3","7","1","5","4","3","1") = "6"
    & skf21("5","3","7","1","5","4","4","1") = "6"
    & skf21("5","3","7","1","5","4","5","1") = "6"
    & skf21("5","3","7","1","5","4","6","1") = "6"
    & skf21("5","3","7","1","5","4","7","1") = "6"
    & skf21("5","3","7","1","5","5","1","1") = "6"
    & skf21("5","3","7","1","5","5","2","1") = "6"
    & skf21("5","3","7","1","5","5","3","1") = "6"
    & skf21("5","3","7","1","5","5","4","1") = "6"
    & skf21("5","3","7","1","5","5","5","1") = "6"
    & skf21("5","3","7","1","5","5","6","1") = "6"
    & skf21("5","3","7","1","5","5","7","1") = "6"
    & skf21("5","3","7","1","5","6","1","1") = "6"
    & skf21("5","3","7","1","5","6","2","1") = "6"
    & skf21("5","3","7","1","5","6","3","1") = "6"
    & skf21("5","3","7","1","5","6","4","1") = "6"
    & skf21("5","3","7","1","5","6","5","1") = "6"
    & skf21("5","3","7","1","5","6","6","1") = "6"
    & skf21("5","3","7","1","5","6","7","1") = "6"
    & skf21("5","3","7","1","5","7","1","1") = "6"
    & skf21("5","3","7","1","5","7","2","1") = "6"
    & skf21("5","3","7","1","5","7","3","1") = "6"
    & skf21("5","3","7","1","5","7","4","1") = "6"
    & skf21("5","3","7","1","5","7","5","1") = "6"
    & skf21("5","3","7","1","5","7","6","1") = "6"
    & skf21("5","3","7","1","5","7","7","1") = "6"
    & skf21("5","3","7","1","6","1","1","1") = "6"
    & skf21("5","3","7","1","6","1","2","1") = "6"
    & skf21("5","3","7","1","6","1","3","1") = "6"
    & skf21("5","3","7","1","6","1","4","1") = "6"
    & skf21("5","3","7","1","6","1","5","1") = "6"
    & skf21("5","3","7","1","6","1","6","1") = "6"
    & skf21("5","3","7","1","6","1","7","1") = "6"
    & skf21("5","3","7","1","6","2","1","1") = "6"
    & skf21("5","3","7","1","6","2","2","1") = "6"
    & skf21("5","3","7","1","6","2","3","1") = "6"
    & skf21("5","3","7","1","6","2","4","1") = "6"
    & skf21("5","3","7","1","6","2","5","1") = "6"
    & skf21("5","3","7","1","6","2","6","1") = "6"
    & skf21("5","3","7","1","6","2","7","1") = "6"
    & skf21("5","3","7","1","6","3","1","1") = "6"
    & skf21("5","3","7","1","6","3","2","1") = "6"
    & skf21("5","3","7","1","6","3","3","1") = "6"
    & skf21("5","3","7","1","6","3","4","1") = "6"
    & skf21("5","3","7","1","6","3","5","1") = "6"
    & skf21("5","3","7","1","6","3","6","1") = "6"
    & skf21("5","3","7","1","6","3","7","1") = "6"
    & skf21("5","3","7","1","6","4","1","1") = "6"
    & skf21("5","3","7","1","6","4","2","1") = "6"
    & skf21("5","3","7","1","6","4","3","1") = "6"
    & skf21("5","3","7","1","6","4","4","1") = "6"
    & skf21("5","3","7","1","6","4","5","1") = "6"
    & skf21("5","3","7","1","6","4","6","1") = "6"
    & skf21("5","3","7","1","6","4","7","1") = "6"
    & skf21("5","3","7","1","6","5","1","1") = "6"
    & skf21("5","3","7","1","6","5","2","1") = "6"
    & skf21("5","3","7","1","6","5","3","1") = "6"
    & skf21("5","3","7","1","6","5","4","1") = "6"
    & skf21("5","3","7","1","6","5","5","1") = "6"
    & skf21("5","3","7","1","6","5","6","1") = "6"
    & skf21("5","3","7","1","6","5","7","1") = "6"
    & skf21("5","3","7","1","6","6","1","1") = "6"
    & skf21("5","3","7","1","6","6","2","1") = "6"
    & skf21("5","3","7","1","6","6","3","1") = "6"
    & skf21("5","3","7","1","6","6","4","1") = "6"
    & skf21("5","3","7","1","6","6","5","1") = "6"
    & skf21("5","3","7","1","6","6","6","1") = "6"
    & skf21("5","3","7","1","6","6","7","1") = "6"
    & skf21("5","3","7","1","6","7","1","1") = "6"
    & skf21("5","3","7","1","6","7","2","1") = "6"
    & skf21("5","3","7","1","6","7","3","1") = "6"
    & skf21("5","3","7","1","6","7","4","1") = "6"
    & skf21("5","3","7","1","6","7","5","1") = "6"
    & skf21("5","3","7","1","6","7","6","1") = "6"
    & skf21("5","3","7","1","6","7","7","1") = "6"
    & skf21("5","3","7","1","7","1","1","1") = "6"
    & skf21("5","3","7","1","7","1","2","1") = "6"
    & skf21("5","3","7","1","7","1","3","1") = "6"
    & skf21("5","3","7","1","7","1","4","1") = "6"
    & skf21("5","3","7","1","7","1","5","1") = "6"
    & skf21("5","3","7","1","7","1","6","1") = "6"
    & skf21("5","3","7","1","7","1","7","1") = "6"
    & skf21("5","3","7","1","7","2","1","1") = "6"
    & skf21("5","3","7","1","7","2","2","1") = "6"
    & skf21("5","3","7","1","7","2","3","1") = "6"
    & skf21("5","3","7","1","7","2","4","1") = "6"
    & skf21("5","3","7","1","7","2","5","1") = "6"
    & skf21("5","3","7","1","7","2","6","1") = "6"
    & skf21("5","3","7","1","7","2","7","1") = "6"
    & skf21("5","3","7","1","7","3","1","1") = "6"
    & skf21("5","3","7","1","7","3","2","1") = "6"
    & skf21("5","3","7","1","7","3","3","1") = "6"
    & skf21("5","3","7","1","7","3","4","1") = "6"
    & skf21("5","3","7","1","7","3","5","1") = "6"
    & skf21("5","3","7","1","7","3","6","1") = "6"
    & skf21("5","3","7","1","7","3","7","1") = "6"
    & skf21("5","3","7","1","7","4","1","1") = "6"
    & skf21("5","3","7","1","7","4","2","1") = "6"
    & skf21("5","3","7","1","7","4","3","1") = "6"
    & skf21("5","3","7","1","7","4","4","1") = "6"
    & skf21("5","3","7","1","7","4","5","1") = "6"
    & skf21("5","3","7","1","7","4","6","1") = "6"
    & skf21("5","3","7","1","7","4","7","1") = "6"
    & skf21("5","3","7","1","7","5","1","1") = "6"
    & skf21("5","3","7","1","7","5","2","1") = "6"
    & skf21("5","3","7","1","7","5","3","1") = "6"
    & skf21("5","3","7","1","7","5","4","1") = "6"
    & skf21("5","3","7","1","7","5","5","1") = "6"
    & skf21("5","3","7","1","7","5","6","1") = "6"
    & skf21("5","3","7","1","7","5","7","1") = "6"
    & skf21("5","3","7","1","7","6","1","1") = "6"
    & skf21("5","3","7","1","7","6","2","1") = "6"
    & skf21("5","3","7","1","7","6","3","1") = "6"
    & skf21("5","3","7","1","7","6","4","1") = "6"
    & skf21("5","3","7","1","7","6","5","1") = "6"
    & skf21("5","3","7","1","7","6","6","1") = "6"
    & skf21("5","3","7","1","7","6","7","1") = "6"
    & skf21("5","3","7","1","7","7","1","1") = "6"
    & skf21("5","3","7","1","7","7","2","1") = "6"
    & skf21("5","3","7","1","7","7","3","1") = "6"
    & skf21("5","3","7","1","7","7","4","1") = "6"
    & skf21("5","3","7","1","7","7","5","1") = "6"
    & skf21("5","3","7","1","7","7","6","1") = "6"
    & skf21("5","3","7","1","7","7","7","1") = "6"
    & skf21("5","3","7","2","1","1","1","1") = "6"
    & skf21("5","3","7","2","1","1","2","1") = "6"
    & skf21("5","3","7","2","1","1","3","1") = "6"
    & skf21("5","3","7","2","1","1","4","1") = "6"
    & skf21("5","3","7","2","1","1","5","1") = "6"
    & skf21("5","3","7","2","1","1","6","1") = "6"
    & skf21("5","3","7","2","1","1","7","1") = "6"
    & skf21("5","3","7","2","1","2","1","1") = "6"
    & skf21("5","3","7","2","1","2","2","1") = "6"
    & skf21("5","3","7","2","1","2","3","1") = "6"
    & skf21("5","3","7","2","1","2","4","1") = "6"
    & skf21("5","3","7","2","1","2","5","1") = "6"
    & skf21("5","3","7","2","1","2","6","1") = "6"
    & skf21("5","3","7","2","1","2","7","1") = "6"
    & skf21("5","3","7","2","1","3","1","1") = "6"
    & skf21("5","3","7","2","1","3","2","1") = "6"
    & skf21("5","3","7","2","1","3","3","1") = "6"
    & skf21("5","3","7","2","1","3","4","1") = "6"
    & skf21("5","3","7","2","1","3","5","1") = "6"
    & skf21("5","3","7","2","1","3","6","1") = "6"
    & skf21("5","3","7","2","1","3","7","1") = "6"
    & skf21("5","3","7","2","1","4","1","1") = "6"
    & skf21("5","3","7","2","1","4","2","1") = "6"
    & skf21("5","3","7","2","1","4","3","1") = "6"
    & skf21("5","3","7","2","1","4","4","1") = "6"
    & skf21("5","3","7","2","1","4","5","1") = "6"
    & skf21("5","3","7","2","1","4","6","1") = "6"
    & skf21("5","3","7","2","1","4","7","1") = "6"
    & skf21("5","3","7","2","1","5","1","1") = "6"
    & skf21("5","3","7","2","1","5","2","1") = "6"
    & skf21("5","3","7","2","1","5","3","1") = "6"
    & skf21("5","3","7","2","1","5","4","1") = "6"
    & skf21("5","3","7","2","1","5","5","1") = "6"
    & skf21("5","3","7","2","1","5","6","1") = "6"
    & skf21("5","3","7","2","1","5","7","1") = "6"
    & skf21("5","3","7","2","1","6","1","1") = "6"
    & skf21("5","3","7","2","1","6","2","1") = "6"
    & skf21("5","3","7","2","1","6","3","1") = "6"
    & skf21("5","3","7","2","1","6","4","1") = "6"
    & skf21("5","3","7","2","1","6","5","1") = "6"
    & skf21("5","3","7","2","1","6","6","1") = "6"
    & skf21("5","3","7","2","1","6","7","1") = "6"
    & skf21("5","3","7","2","1","7","1","1") = "6"
    & skf21("5","3","7","2","1","7","2","1") = "6"
    & skf21("5","3","7","2","1","7","3","1") = "6"
    & skf21("5","3","7","2","1","7","4","1") = "6"
    & skf21("5","3","7","2","1","7","5","1") = "6"
    & skf21("5","3","7","2","1","7","6","1") = "6"
    & skf21("5","3","7","2","1","7","7","1") = "6"
    & skf21("5","3","7","2","2","1","1","1") = "6"
    & skf21("5","3","7","2","2","1","2","1") = "6"
    & skf21("5","3","7","2","2","1","3","1") = "6"
    & skf21("5","3","7","2","2","1","4","1") = "6"
    & skf21("5","3","7","2","2","1","5","1") = "6"
    & skf21("5","3","7","2","2","1","6","1") = "6"
    & skf21("5","3","7","2","2","1","7","1") = "6"
    & skf21("5","3","7","2","2","2","1","1") = "6"
    & skf21("5","3","7","2","2","2","2","1") = "6"
    & skf21("5","3","7","2","2","2","3","1") = "6"
    & skf21("5","3","7","2","2","2","4","1") = "6"
    & skf21("5","3","7","2","2","2","5","1") = "6"
    & skf21("5","3","7","2","2","2","6","1") = "6"
    & skf21("5","3","7","2","2","2","7","1") = "6"
    & skf21("5","3","7","2","2","3","1","1") = "6"
    & skf21("5","3","7","2","2","3","2","1") = "6"
    & skf21("5","3","7","2","2","3","3","1") = "6"
    & skf21("5","3","7","2","2","3","4","1") = "6"
    & skf21("5","3","7","2","2","3","5","1") = "6"
    & skf21("5","3","7","2","2","3","6","1") = "6"
    & skf21("5","3","7","2","2","3","7","1") = "6"
    & skf21("5","3","7","2","2","4","1","1") = "6"
    & skf21("5","3","7","2","2","4","2","1") = "6"
    & skf21("5","3","7","2","2","4","3","1") = "6"
    & skf21("5","3","7","2","2","4","4","1") = "6"
    & skf21("5","3","7","2","2","4","5","1") = "6"
    & skf21("5","3","7","2","2","4","6","1") = "6"
    & skf21("5","3","7","2","2","4","7","1") = "6"
    & skf21("5","3","7","2","2","5","1","1") = "6"
    & skf21("5","3","7","2","2","5","2","1") = "6"
    & skf21("5","3","7","2","2","5","3","1") = "6"
    & skf21("5","3","7","2","2","5","4","1") = "6"
    & skf21("5","3","7","2","2","5","5","1") = "6"
    & skf21("5","3","7","2","2","5","6","1") = "6"
    & skf21("5","3","7","2","2","5","7","1") = "6"
    & skf21("5","3","7","2","2","6","1","1") = "6"
    & skf21("5","3","7","2","2","6","2","1") = "6"
    & skf21("5","3","7","2","2","6","3","1") = "6"
    & skf21("5","3","7","2","2","6","4","1") = "6"
    & skf21("5","3","7","2","2","6","5","1") = "6"
    & skf21("5","3","7","2","2","6","6","1") = "6"
    & skf21("5","3","7","2","2","6","7","1") = "6"
    & skf21("5","3","7","2","2","7","1","1") = "6"
    & skf21("5","3","7","2","2","7","2","1") = "6"
    & skf21("5","3","7","2","2","7","3","1") = "6"
    & skf21("5","3","7","2","2","7","4","1") = "6"
    & skf21("5","3","7","2","2","7","5","1") = "6"
    & skf21("5","3","7","2","2","7","6","1") = "6"
    & skf21("5","3","7","2","2","7","7","1") = "6"
    & skf21("5","3","7","2","3","1","1","1") = "6"
    & skf21("5","3","7","2","3","1","2","1") = "6"
    & skf21("5","3","7","2","3","1","3","1") = "6"
    & skf21("5","3","7","2","3","1","4","1") = "6"
    & skf21("5","3","7","2","3","1","5","1") = "6"
    & skf21("5","3","7","2","3","1","6","1") = "6"
    & skf21("5","3","7","2","3","1","7","1") = "6"
    & skf21("5","3","7","2","3","2","1","1") = "6"
    & skf21("5","3","7","2","3","2","2","1") = "6"
    & skf21("5","3","7","2","3","2","3","1") = "6"
    & skf21("5","3","7","2","3","2","4","1") = "6"
    & skf21("5","3","7","2","3","2","5","1") = "6"
    & skf21("5","3","7","2","3","2","6","1") = "6"
    & skf21("5","3","7","2","3","2","7","1") = "6"
    & skf21("5","3","7","2","3","3","1","1") = "6"
    & skf21("5","3","7","2","3","3","2","1") = "6"
    & skf21("5","3","7","2","3","3","3","1") = "6"
    & skf21("5","3","7","2","3","3","4","1") = "6"
    & skf21("5","3","7","2","3","3","5","1") = "6"
    & skf21("5","3","7","2","3","3","6","1") = "6"
    & skf21("5","3","7","2","3","3","7","1") = "6"
    & skf21("5","3","7","2","3","4","1","1") = "6"
    & skf21("5","3","7","2","3","4","2","1") = "6"
    & skf21("5","3","7","2","3","4","3","1") = "6"
    & skf21("5","3","7","2","3","4","4","1") = "6"
    & skf21("5","3","7","2","3","4","5","1") = "6"
    & skf21("5","3","7","2","3","4","6","1") = "6"
    & skf21("5","3","7","2","3","4","7","1") = "6"
    & skf21("5","3","7","2","3","5","1","1") = "6"
    & skf21("5","3","7","2","3","5","2","1") = "6"
    & skf21("5","3","7","2","3","5","3","1") = "6"
    & skf21("5","3","7","2","3","5","4","1") = "6"
    & skf21("5","3","7","2","3","5","5","1") = "6"
    & skf21("5","3","7","2","3","5","6","1") = "6"
    & skf21("5","3","7","2","3","5","7","1") = "6"
    & skf21("5","3","7","2","3","6","1","1") = "6"
    & skf21("5","3","7","2","3","6","2","1") = "6"
    & skf21("5","3","7","2","3","6","3","1") = "6"
    & skf21("5","3","7","2","3","6","4","1") = "6"
    & skf21("5","3","7","2","3","6","5","1") = "6"
    & skf21("5","3","7","2","3","6","6","1") = "6"
    & skf21("5","3","7","2","3","6","7","1") = "6"
    & skf21("5","3","7","2","3","7","1","1") = "6"
    & skf21("5","3","7","2","3","7","2","1") = "6"
    & skf21("5","3","7","2","3","7","3","1") = "6"
    & skf21("5","3","7","2","3","7","4","1") = "6"
    & skf21("5","3","7","2","3","7","5","1") = "6"
    & skf21("5","3","7","2","3","7","6","1") = "6"
    & skf21("5","3","7","2","3","7","7","1") = "6"
    & skf21("5","3","7","2","4","1","1","1") = "6"
    & skf21("5","3","7","2","4","1","2","1") = "6"
    & skf21("5","3","7","2","4","1","3","1") = "6"
    & skf21("5","3","7","2","4","1","4","1") = "6"
    & skf21("5","3","7","2","4","1","5","1") = "6"
    & skf21("5","3","7","2","4","1","6","1") = "6"
    & skf21("5","3","7","2","4","1","7","1") = "6"
    & skf21("5","3","7","2","4","2","1","1") = "6"
    & skf21("5","3","7","2","4","2","2","1") = "6"
    & skf21("5","3","7","2","4","2","3","1") = "6"
    & skf21("5","3","7","2","4","2","4","1") = "6"
    & skf21("5","3","7","2","4","2","5","1") = "6"
    & skf21("5","3","7","2","4","2","6","1") = "6"
    & skf21("5","3","7","2","4","2","7","1") = "6"
    & skf21("5","3","7","2","4","3","1","1") = "6"
    & skf21("5","3","7","2","4","3","2","1") = "6"
    & skf21("5","3","7","2","4","3","3","1") = "6"
    & skf21("5","3","7","2","4","3","4","1") = "6"
    & skf21("5","3","7","2","4","3","5","1") = "6"
    & skf21("5","3","7","2","4","3","6","1") = "6"
    & skf21("5","3","7","2","4","3","7","1") = "6"
    & skf21("5","3","7","2","4","4","1","1") = "6"
    & skf21("5","3","7","2","4","4","2","1") = "6"
    & skf21("5","3","7","2","4","4","3","1") = "6"
    & skf21("5","3","7","2","4","4","4","1") = "6"
    & skf21("5","3","7","2","4","4","5","1") = "6"
    & skf21("5","3","7","2","4","4","6","1") = "6"
    & skf21("5","3","7","2","4","4","7","1") = "6"
    & skf21("5","3","7","2","4","5","1","1") = "6"
    & skf21("5","3","7","2","4","5","2","1") = "6"
    & skf21("5","3","7","2","4","5","3","1") = "6"
    & skf21("5","3","7","2","4","5","4","1") = "6"
    & skf21("5","3","7","2","4","5","5","1") = "6"
    & skf21("5","3","7","2","4","5","6","1") = "6"
    & skf21("5","3","7","2","4","5","7","1") = "6"
    & skf21("5","3","7","2","4","6","1","1") = "6"
    & skf21("5","3","7","2","4","6","2","1") = "6"
    & skf21("5","3","7","2","4","6","3","1") = "6"
    & skf21("5","3","7","2","4","6","4","1") = "6"
    & skf21("5","3","7","2","4","6","5","1") = "6"
    & skf21("5","3","7","2","4","6","6","1") = "6"
    & skf21("5","3","7","2","4","6","7","1") = "6"
    & skf21("5","3","7","2","4","7","1","1") = "6"
    & skf21("5","3","7","2","4","7","2","1") = "6"
    & skf21("5","3","7","2","4","7","3","1") = "6"
    & skf21("5","3","7","2","4","7","4","1") = "6"
    & skf21("5","3","7","2","4","7","5","1") = "6"
    & skf21("5","3","7","2","4","7","6","1") = "6"
    & skf21("5","3","7","2","4","7","7","1") = "6"
    & skf21("5","3","7","2","5","1","1","1") = "6"
    & skf21("5","3","7","2","5","1","2","1") = "6"
    & skf21("5","3","7","2","5","1","3","1") = "6"
    & skf21("5","3","7","2","5","1","4","1") = "6"
    & skf21("5","3","7","2","5","1","5","1") = "6"
    & skf21("5","3","7","2","5","1","6","1") = "6"
    & skf21("5","3","7","2","5","1","7","1") = "6"
    & skf21("5","3","7","2","5","2","1","1") = "6"
    & skf21("5","3","7","2","5","2","2","1") = "6"
    & skf21("5","3","7","2","5","2","3","1") = "6"
    & skf21("5","3","7","2","5","2","4","1") = "6"
    & skf21("5","3","7","2","5","2","5","1") = "6"
    & skf21("5","3","7","2","5","2","6","1") = "6"
    & skf21("5","3","7","2","5","2","7","1") = "6"
    & skf21("5","3","7","2","5","3","1","1") = "6"
    & skf21("5","3","7","2","5","3","2","1") = "6"
    & skf21("5","3","7","2","5","3","3","1") = "6"
    & skf21("5","3","7","2","5","3","4","1") = "6"
    & skf21("5","3","7","2","5","3","5","1") = "6"
    & skf21("5","3","7","2","5","3","6","1") = "6"
    & skf21("5","3","7","2","5","3","7","1") = "6"
    & skf21("5","3","7","2","5","4","1","1") = "6"
    & skf21("5","3","7","2","5","4","2","1") = "6"
    & skf21("5","3","7","2","5","4","3","1") = "6"
    & skf21("5","3","7","2","5","4","4","1") = "6"
    & skf21("5","3","7","2","5","4","5","1") = "6"
    & skf21("5","3","7","2","5","4","6","1") = "6"
    & skf21("5","3","7","2","5","4","7","1") = "6"
    & skf21("5","3","7","2","5","5","1","1") = "6"
    & skf21("5","3","7","2","5","5","2","1") = "6"
    & skf21("5","3","7","2","5","5","3","1") = "6"
    & skf21("5","3","7","2","5","5","4","1") = "6"
    & skf21("5","3","7","2","5","5","5","1") = "6"
    & skf21("5","3","7","2","5","5","6","1") = "6"
    & skf21("5","3","7","2","5","5","7","1") = "6"
    & skf21("5","3","7","2","5","6","1","1") = "6"
    & skf21("5","3","7","2","5","6","2","1") = "6"
    & skf21("5","3","7","2","5","6","3","1") = "6"
    & skf21("5","3","7","2","5","6","4","1") = "6"
    & skf21("5","3","7","2","5","6","5","1") = "6"
    & skf21("5","3","7","2","5","6","6","1") = "6"
    & skf21("5","3","7","2","5","6","7","1") = "6"
    & skf21("5","3","7","2","5","7","1","1") = "6"
    & skf21("5","3","7","2","5","7","2","1") = "6"
    & skf21("5","3","7","2","5","7","3","1") = "6"
    & skf21("5","3","7","2","5","7","4","1") = "6"
    & skf21("5","3","7","2","5","7","5","1") = "6"
    & skf21("5","3","7","2","5","7","6","1") = "6"
    & skf21("5","3","7","2","5","7","7","1") = "6"
    & skf21("5","3","7","2","6","1","1","1") = "6"
    & skf21("5","3","7","2","6","1","2","1") = "6"
    & skf21("5","3","7","2","6","1","3","1") = "6"
    & skf21("5","3","7","2","6","1","4","1") = "6"
    & skf21("5","3","7","2","6","1","5","1") = "6"
    & skf21("5","3","7","2","6","1","6","1") = "6"
    & skf21("5","3","7","2","6","1","7","1") = "6"
    & skf21("5","3","7","2","6","2","1","1") = "6"
    & skf21("5","3","7","2","6","2","2","1") = "6"
    & skf21("5","3","7","2","6","2","3","1") = "6"
    & skf21("5","3","7","2","6","2","4","1") = "6"
    & skf21("5","3","7","2","6","2","5","1") = "6"
    & skf21("5","3","7","2","6","2","6","1") = "6"
    & skf21("5","3","7","2","6","2","7","1") = "6"
    & skf21("5","3","7","2","6","3","1","1") = "6"
    & skf21("5","3","7","2","6","3","2","1") = "6"
    & skf21("5","3","7","2","6","3","3","1") = "6"
    & skf21("5","3","7","2","6","3","4","1") = "6"
    & skf21("5","3","7","2","6","3","5","1") = "6"
    & skf21("5","3","7","2","6","3","6","1") = "6"
    & skf21("5","3","7","2","6","3","7","1") = "6"
    & skf21("5","3","7","2","6","4","1","1") = "6"
    & skf21("5","3","7","2","6","4","2","1") = "6"
    & skf21("5","3","7","2","6","4","3","1") = "6"
    & skf21("5","3","7","2","6","4","4","1") = "6"
    & skf21("5","3","7","2","6","4","5","1") = "6"
    & skf21("5","3","7","2","6","4","6","1") = "6"
    & skf21("5","3","7","2","6","4","7","1") = "6"
    & skf21("5","3","7","2","6","5","1","1") = "6"
    & skf21("5","3","7","2","6","5","2","1") = "6"
    & skf21("5","3","7","2","6","5","3","1") = "6"
    & skf21("5","3","7","2","6","5","4","1") = "6"
    & skf21("5","3","7","2","6","5","5","1") = "6"
    & skf21("5","3","7","2","6","5","6","1") = "6"
    & skf21("5","3","7","2","6","5","7","1") = "6"
    & skf21("5","3","7","2","6","6","1","1") = "6"
    & skf21("5","3","7","2","6","6","2","1") = "6"
    & skf21("5","3","7","2","6","6","3","1") = "6"
    & skf21("5","3","7","2","6","6","4","1") = "6"
    & skf21("5","3","7","2","6","6","5","1") = "6"
    & skf21("5","3","7","2","6","6","6","1") = "6"
    & skf21("5","3","7","2","6","6","7","1") = "6"
    & skf21("5","3","7","2","6","7","1","1") = "6"
    & skf21("5","3","7","2","6","7","2","1") = "6"
    & skf21("5","3","7","2","6","7","3","1") = "6"
    & skf21("5","3","7","2","6","7","4","1") = "6"
    & skf21("5","3","7","2","6","7","5","1") = "6"
    & skf21("5","3","7","2","6","7","6","1") = "6"
    & skf21("5","3","7","2","6","7","7","1") = "6"
    & skf21("5","3","7","2","7","1","1","1") = "6"
    & skf21("5","3","7","2","7","1","2","1") = "6"
    & skf21("5","3","7","2","7","1","3","1") = "6"
    & skf21("5","3","7","2","7","1","4","1") = "6"
    & skf21("5","3","7","2","7","1","5","1") = "6"
    & skf21("5","3","7","2","7","1","6","1") = "6"
    & skf21("5","3","7","2","7","1","7","1") = "6"
    & skf21("5","3","7","2","7","2","1","1") = "6"
    & skf21("5","3","7","2","7","2","2","1") = "6"
    & skf21("5","3","7","2","7","2","3","1") = "6"
    & skf21("5","3","7","2","7","2","4","1") = "6"
    & skf21("5","3","7","2","7","2","5","1") = "6"
    & skf21("5","3","7","2","7","2","6","1") = "6"
    & skf21("5","3","7","2","7","2","7","1") = "6"
    & skf21("5","3","7","2","7","3","1","1") = "6"
    & skf21("5","3","7","2","7","3","2","1") = "6"
    & skf21("5","3","7","2","7","3","3","1") = "6"
    & skf21("5","3","7","2","7","3","4","1") = "6"
    & skf21("5","3","7","2","7","3","5","1") = "6"
    & skf21("5","3","7","2","7","3","6","1") = "6"
    & skf21("5","3","7","2","7","3","7","1") = "6"
    & skf21("5","3","7","2","7","4","1","1") = "6"
    & skf21("5","3","7","2","7","4","2","1") = "6"
    & skf21("5","3","7","2","7","4","3","1") = "6"
    & skf21("5","3","7","2","7","4","4","1") = "6"
    & skf21("5","3","7","2","7","4","5","1") = "6"
    & skf21("5","3","7","2","7","4","6","1") = "6"
    & skf21("5","3","7","2","7","4","7","1") = "6"
    & skf21("5","3","7","2","7","5","1","1") = "6"
    & skf21("5","3","7","2","7","5","2","1") = "6"
    & skf21("5","3","7","2","7","5","3","1") = "6"
    & skf21("5","3","7","2","7","5","4","1") = "6"
    & skf21("5","3","7","2","7","5","5","1") = "6"
    & skf21("5","3","7","2","7","5","6","1") = "6"
    & skf21("5","3","7","2","7","5","7","1") = "6"
    & skf21("5","3","7","2","7","6","1","1") = "6"
    & skf21("5","3","7","2","7","6","2","1") = "6"
    & skf21("5","3","7","2","7","6","3","1") = "6"
    & skf21("5","3","7","2","7","6","4","1") = "6"
    & skf21("5","3","7","2","7","6","5","1") = "6"
    & skf21("5","3","7","2","7","6","6","1") = "6"
    & skf21("5","3","7","2","7","6","7","1") = "6"
    & skf21("5","3","7","2","7","7","1","1") = "6"
    & skf21("5","3","7","2","7","7","2","1") = "6"
    & skf21("5","3","7","2","7","7","3","1") = "6"
    & skf21("5","3","7","2","7","7","4","1") = "6"
    & skf21("5","3","7","2","7","7","5","1") = "6"
    & skf21("5","3","7","2","7","7","6","1") = "6"
    & skf21("5","3","7","2","7","7","7","1") = "6"
    & skf21("5","3","7","3","1","1","1","1") = "6"
    & skf21("5","3","7","3","1","1","2","1") = "6"
    & skf21("5","3","7","3","1","1","3","1") = "6"
    & skf21("5","3","7","3","1","1","4","1") = "6"
    & skf21("5","3","7","3","1","1","5","1") = "6"
    & skf21("5","3","7","3","1","1","6","1") = "6"
    & skf21("5","3","7","3","1","1","7","1") = "6"
    & skf21("5","3","7","3","1","2","1","1") = "6"
    & skf21("5","3","7","3","1","2","2","1") = "6"
    & skf21("5","3","7","3","1","2","3","1") = "6"
    & skf21("5","3","7","3","1","2","4","1") = "6"
    & skf21("5","3","7","3","1","2","5","1") = "6"
    & skf21("5","3","7","3","1","2","6","1") = "6"
    & skf21("5","3","7","3","1","2","7","1") = "6"
    & skf21("5","3","7","3","1","3","1","1") = "6"
    & skf21("5","3","7","3","1","3","2","1") = "6"
    & skf21("5","3","7","3","1","3","3","1") = "6"
    & skf21("5","3","7","3","1","3","4","1") = "6"
    & skf21("5","3","7","3","1","3","5","1") = "6"
    & skf21("5","3","7","3","1","3","6","1") = "6"
    & skf21("5","3","7","3","1","3","7","1") = "6"
    & skf21("5","3","7","3","1","4","1","1") = "6"
    & skf21("5","3","7","3","1","4","2","1") = "6"
    & skf21("5","3","7","3","1","4","3","1") = "6"
    & skf21("5","3","7","3","1","4","4","1") = "6"
    & skf21("5","3","7","3","1","4","5","1") = "6"
    & skf21("5","3","7","3","1","4","6","1") = "6"
    & skf21("5","3","7","3","1","4","7","1") = "6"
    & skf21("5","3","7","3","1","5","1","1") = "6"
    & skf21("5","3","7","3","1","5","2","1") = "6"
    & skf21("5","3","7","3","1","5","3","1") = "6"
    & skf21("5","3","7","3","1","5","4","1") = "6"
    & skf21("5","3","7","3","1","5","5","1") = "6"
    & skf21("5","3","7","3","1","5","6","1") = "6"
    & skf21("5","3","7","3","1","5","7","1") = "6"
    & skf21("5","3","7","3","1","6","1","1") = "6"
    & skf21("5","3","7","3","1","6","2","1") = "6"
    & skf21("5","3","7","3","1","6","3","1") = "6"
    & skf21("5","3","7","3","1","6","4","1") = "6"
    & skf21("5","3","7","3","1","6","5","1") = "6"
    & skf21("5","3","7","3","1","6","6","1") = "6"
    & skf21("5","3","7","3","1","6","7","1") = "6"
    & skf21("5","3","7","3","1","7","1","1") = "6"
    & skf21("5","3","7","3","1","7","2","1") = "6"
    & skf21("5","3","7","3","1","7","3","1") = "6"
    & skf21("5","3","7","3","1","7","4","1") = "6"
    & skf21("5","3","7","3","1","7","5","1") = "6"
    & skf21("5","3","7","3","1","7","6","1") = "6"
    & skf21("5","3","7","3","1","7","7","1") = "6"
    & skf21("5","3","7","3","2","1","1","1") = "6"
    & skf21("5","3","7","3","2","1","2","1") = "6"
    & skf21("5","3","7","3","2","1","3","1") = "6"
    & skf21("5","3","7","3","2","1","4","1") = "6"
    & skf21("5","3","7","3","2","1","5","1") = "6"
    & skf21("5","3","7","3","2","1","6","1") = "6"
    & skf21("5","3","7","3","2","1","7","1") = "6"
    & skf21("5","3","7","3","2","2","1","1") = "6"
    & skf21("5","3","7","3","2","2","2","1") = "6"
    & skf21("5","3","7","3","2","2","3","1") = "6"
    & skf21("5","3","7","3","2","2","4","1") = "6"
    & skf21("5","3","7","3","2","2","5","1") = "6"
    & skf21("5","3","7","3","2","2","6","1") = "6"
    & skf21("5","3","7","3","2","2","7","1") = "6"
    & skf21("5","3","7","3","2","3","1","1") = "6"
    & skf21("5","3","7","3","2","3","2","1") = "6"
    & skf21("5","3","7","3","2","3","3","1") = "6"
    & skf21("5","3","7","3","2","3","4","1") = "6"
    & skf21("5","3","7","3","2","3","5","1") = "6"
    & skf21("5","3","7","3","2","3","6","1") = "6"
    & skf21("5","3","7","3","2","3","7","1") = "6"
    & skf21("5","3","7","3","2","4","1","1") = "6"
    & skf21("5","3","7","3","2","4","2","1") = "6"
    & skf21("5","3","7","3","2","4","3","1") = "6"
    & skf21("5","3","7","3","2","4","4","1") = "6"
    & skf21("5","3","7","3","2","4","5","1") = "6"
    & skf21("5","3","7","3","2","4","6","1") = "6"
    & skf21("5","3","7","3","2","4","7","1") = "6"
    & skf21("5","3","7","3","2","5","1","1") = "6"
    & skf21("5","3","7","3","2","5","2","1") = "6"
    & skf21("5","3","7","3","2","5","3","1") = "6"
    & skf21("5","3","7","3","2","5","4","1") = "6"
    & skf21("5","3","7","3","2","5","5","1") = "6"
    & skf21("5","3","7","3","2","5","6","1") = "6"
    & skf21("5","3","7","3","2","5","7","1") = "6"
    & skf21("5","3","7","3","2","6","1","1") = "6"
    & skf21("5","3","7","3","2","6","2","1") = "6"
    & skf21("5","3","7","3","2","6","3","1") = "6"
    & skf21("5","3","7","3","2","6","4","1") = "6"
    & skf21("5","3","7","3","2","6","5","1") = "6"
    & skf21("5","3","7","3","2","6","6","1") = "6"
    & skf21("5","3","7","3","2","6","7","1") = "6"
    & skf21("5","3","7","3","2","7","1","1") = "6"
    & skf21("5","3","7","3","2","7","2","1") = "6"
    & skf21("5","3","7","3","2","7","3","1") = "6"
    & skf21("5","3","7","3","2","7","4","1") = "6"
    & skf21("5","3","7","3","2","7","5","1") = "6"
    & skf21("5","3","7","3","2","7","6","1") = "6"
    & skf21("5","3","7","3","2","7","7","1") = "6"
    & skf21("5","3","7","3","3","1","1","1") = "6"
    & skf21("5","3","7","3","3","1","2","1") = "6"
    & skf21("5","3","7","3","3","1","3","1") = "6"
    & skf21("5","3","7","3","3","1","4","1") = "6"
    & skf21("5","3","7","3","3","1","5","1") = "6"
    & skf21("5","3","7","3","3","1","6","1") = "6"
    & skf21("5","3","7","3","3","1","7","1") = "6"
    & skf21("5","3","7","3","3","2","1","1") = "6"
    & skf21("5","3","7","3","3","2","2","1") = "6"
    & skf21("5","3","7","3","3","2","3","1") = "6"
    & skf21("5","3","7","3","3","2","4","1") = "6"
    & skf21("5","3","7","3","3","2","5","1") = "6"
    & skf21("5","3","7","3","3","2","6","1") = "6"
    & skf21("5","3","7","3","3","2","7","1") = "6"
    & skf21("5","3","7","3","3","3","1","1") = "6"
    & skf21("5","3","7","3","3","3","2","1") = "6"
    & skf21("5","3","7","3","3","3","3","1") = "6"
    & skf21("5","3","7","3","3","3","4","1") = "6"
    & skf21("5","3","7","3","3","3","5","1") = "6"
    & skf21("5","3","7","3","3","3","6","1") = "6"
    & skf21("5","3","7","3","3","3","7","1") = "6"
    & skf21("5","3","7","3","3","4","1","1") = "6"
    & skf21("5","3","7","3","3","4","2","1") = "6"
    & skf21("5","3","7","3","3","4","3","1") = "6"
    & skf21("5","3","7","3","3","4","4","1") = "6"
    & skf21("5","3","7","3","3","4","5","1") = "6"
    & skf21("5","3","7","3","3","4","6","1") = "6"
    & skf21("5","3","7","3","3","4","7","1") = "6"
    & skf21("5","3","7","3","3","5","1","1") = "6"
    & skf21("5","3","7","3","3","5","2","1") = "6"
    & skf21("5","3","7","3","3","5","3","1") = "6"
    & skf21("5","3","7","3","3","5","4","1") = "6"
    & skf21("5","3","7","3","3","5","5","1") = "6"
    & skf21("5","3","7","3","3","5","6","1") = "6"
    & skf21("5","3","7","3","3","5","7","1") = "6"
    & skf21("5","3","7","3","3","6","1","1") = "6"
    & skf21("5","3","7","3","3","6","2","1") = "6"
    & skf21("5","3","7","3","3","6","3","1") = "6"
    & skf21("5","3","7","3","3","6","4","1") = "6"
    & skf21("5","3","7","3","3","6","5","1") = "6"
    & skf21("5","3","7","3","3","6","6","1") = "6"
    & skf21("5","3","7","3","3","6","7","1") = "6"
    & skf21("5","3","7","3","3","7","1","1") = "6"
    & skf21("5","3","7","3","3","7","2","1") = "6"
    & skf21("5","3","7","3","3","7","3","1") = "6"
    & skf21("5","3","7","3","3","7","4","1") = "6"
    & skf21("5","3","7","3","3","7","5","1") = "6"
    & skf21("5","3","7","3","3","7","6","1") = "6"
    & skf21("5","3","7","3","3","7","7","1") = "6"
    & skf21("5","3","7","3","4","1","1","1") = "6"
    & skf21("5","3","7","3","4","1","2","1") = "6"
    & skf21("5","3","7","3","4","1","3","1") = "6"
    & skf21("5","3","7","3","4","1","4","1") = "6"
    & skf21("5","3","7","3","4","1","5","1") = "6"
    & skf21("5","3","7","3","4","1","6","1") = "6"
    & skf21("5","3","7","3","4","1","7","1") = "6"
    & skf21("5","3","7","3","4","2","1","1") = "6"
    & skf21("5","3","7","3","4","2","2","1") = "6"
    & skf21("5","3","7","3","4","2","3","1") = "6"
    & skf21("5","3","7","3","4","2","4","1") = "6"
    & skf21("5","3","7","3","4","2","5","1") = "6"
    & skf21("5","3","7","3","4","2","6","1") = "6"
    & skf21("5","3","7","3","4","2","7","1") = "6"
    & skf21("5","3","7","3","4","3","1","1") = "6"
    & skf21("5","3","7","3","4","3","2","1") = "6"
    & skf21("5","3","7","3","4","3","3","1") = "6"
    & skf21("5","3","7","3","4","3","4","1") = "6"
    & skf21("5","3","7","3","4","3","5","1") = "6"
    & skf21("5","3","7","3","4","3","6","1") = "6"
    & skf21("5","3","7","3","4","3","7","1") = "6"
    & skf21("5","3","7","3","4","4","1","1") = "6"
    & skf21("5","3","7","3","4","4","2","1") = "6"
    & skf21("5","3","7","3","4","4","3","1") = "6"
    & skf21("5","3","7","3","4","4","4","1") = "6"
    & skf21("5","3","7","3","4","4","5","1") = "6"
    & skf21("5","3","7","3","4","4","6","1") = "6"
    & skf21("5","3","7","3","4","4","7","1") = "6"
    & skf21("5","3","7","3","4","5","1","1") = "6"
    & skf21("5","3","7","3","4","5","2","1") = "6"
    & skf21("5","3","7","3","4","5","3","1") = "6"
    & skf21("5","3","7","3","4","5","4","1") = "6"
    & skf21("5","3","7","3","4","5","5","1") = "6"
    & skf21("5","3","7","3","4","5","6","1") = "6"
    & skf21("5","3","7","3","4","5","7","1") = "6"
    & skf21("5","3","7","3","4","6","1","1") = "6"
    & skf21("5","3","7","3","4","6","2","1") = "6"
    & skf21("5","3","7","3","4","6","3","1") = "6"
    & skf21("5","3","7","3","4","6","4","1") = "6"
    & skf21("5","3","7","3","4","6","5","1") = "6"
    & skf21("5","3","7","3","4","6","6","1") = "6"
    & skf21("5","3","7","3","4","6","7","1") = "6"
    & skf21("5","3","7","3","4","7","1","1") = "6"
    & skf21("5","3","7","3","4","7","2","1") = "6"
    & skf21("5","3","7","3","4","7","3","1") = "6"
    & skf21("5","3","7","3","4","7","4","1") = "6"
    & skf21("5","3","7","3","4","7","5","1") = "6"
    & skf21("5","3","7","3","4","7","6","1") = "6"
    & skf21("5","3","7","3","4","7","7","1") = "6"
    & skf21("5","3","7","3","5","1","1","1") = "6"
    & skf21("5","3","7","3","5","1","2","1") = "6"
    & skf21("5","3","7","3","5","1","3","1") = "6"
    & skf21("5","3","7","3","5","1","4","1") = "6"
    & skf21("5","3","7","3","5","1","5","1") = "6"
    & skf21("5","3","7","3","5","1","6","1") = "6"
    & skf21("5","3","7","3","5","1","7","1") = "6"
    & skf21("5","3","7","3","5","2","1","1") = "6"
    & skf21("5","3","7","3","5","2","2","1") = "6"
    & skf21("5","3","7","3","5","2","3","1") = "6"
    & skf21("5","3","7","3","5","2","4","1") = "6"
    & skf21("5","3","7","3","5","2","5","1") = "6"
    & skf21("5","3","7","3","5","2","6","1") = "6"
    & skf21("5","3","7","3","5","2","7","1") = "6"
    & skf21("5","3","7","3","5","3","1","1") = "6"
    & skf21("5","3","7","3","5","3","2","1") = "6"
    & skf21("5","3","7","3","5","3","3","1") = "6"
    & skf21("5","3","7","3","5","3","4","1") = "6"
    & skf21("5","3","7","3","5","3","5","1") = "6"
    & skf21("5","3","7","3","5","3","6","1") = "6"
    & skf21("5","3","7","3","5","3","7","1") = "6"
    & skf21("5","3","7","3","5","4","1","1") = "6"
    & skf21("5","3","7","3","5","4","2","1") = "6"
    & skf21("5","3","7","3","5","4","3","1") = "6"
    & skf21("5","3","7","3","5","4","4","1") = "6"
    & skf21("5","3","7","3","5","4","5","1") = "6"
    & skf21("5","3","7","3","5","4","6","1") = "6"
    & skf21("5","3","7","3","5","4","7","1") = "6"
    & skf21("5","3","7","3","5","5","1","1") = "6"
    & skf21("5","3","7","3","5","5","2","1") = "6"
    & skf21("5","3","7","3","5","5","3","1") = "6"
    & skf21("5","3","7","3","5","5","4","1") = "6"
    & skf21("5","3","7","3","5","5","5","1") = "6"
    & skf21("5","3","7","3","5","5","6","1") = "6"
    & skf21("5","3","7","3","5","5","7","1") = "6"
    & skf21("5","3","7","3","5","6","1","1") = "6"
    & skf21("5","3","7","3","5","6","2","1") = "6"
    & skf21("5","3","7","3","5","6","3","1") = "6"
    & skf21("5","3","7","3","5","6","4","1") = "6"
    & skf21("5","3","7","3","5","6","5","1") = "6"
    & skf21("5","3","7","3","5","6","6","1") = "6"
    & skf21("5","3","7","3","5","6","7","1") = "6"
    & skf21("5","3","7","3","5","7","1","1") = "6"
    & skf21("5","3","7","3","5","7","2","1") = "6"
    & skf21("5","3","7","3","5","7","3","1") = "6"
    & skf21("5","3","7","3","5","7","4","1") = "6"
    & skf21("5","3","7","3","5","7","5","1") = "6"
    & skf21("5","3","7","3","5","7","6","1") = "6"
    & skf21("5","3","7","3","5","7","7","1") = "6"
    & skf21("5","3","7","3","6","1","1","1") = "6"
    & skf21("5","3","7","3","6","1","2","1") = "6"
    & skf21("5","3","7","3","6","1","3","1") = "6"
    & skf21("5","3","7","3","6","1","4","1") = "6"
    & skf21("5","3","7","3","6","1","5","1") = "6"
    & skf21("5","3","7","3","6","1","6","1") = "6"
    & skf21("5","3","7","3","6","1","7","1") = "6"
    & skf21("5","3","7","3","6","2","1","1") = "6"
    & skf21("5","3","7","3","6","2","2","1") = "6"
    & skf21("5","3","7","3","6","2","3","1") = "6"
    & skf21("5","3","7","3","6","2","4","1") = "6"
    & skf21("5","3","7","3","6","2","5","1") = "6"
    & skf21("5","3","7","3","6","2","6","1") = "6"
    & skf21("5","3","7","3","6","2","7","1") = "6"
    & skf21("5","3","7","3","6","3","1","1") = "6"
    & skf21("5","3","7","3","6","3","2","1") = "6"
    & skf21("5","3","7","3","6","3","3","1") = "6"
    & skf21("5","3","7","3","6","3","4","1") = "6"
    & skf21("5","3","7","3","6","3","5","1") = "6"
    & skf21("5","3","7","3","6","3","6","1") = "6"
    & skf21("5","3","7","3","6","3","7","1") = "6"
    & skf21("5","3","7","3","6","4","1","1") = "6"
    & skf21("5","3","7","3","6","4","2","1") = "6"
    & skf21("5","3","7","3","6","4","3","1") = "6"
    & skf21("5","3","7","3","6","4","4","1") = "6"
    & skf21("5","3","7","3","6","4","5","1") = "6"
    & skf21("5","3","7","3","6","4","6","1") = "6"
    & skf21("5","3","7","3","6","4","7","1") = "6"
    & skf21("5","3","7","3","6","5","1","1") = "6"
    & skf21("5","3","7","3","6","5","2","1") = "6"
    & skf21("5","3","7","3","6","5","3","1") = "6"
    & skf21("5","3","7","3","6","5","4","1") = "6"
    & skf21("5","3","7","3","6","5","5","1") = "6"
    & skf21("5","3","7","3","6","5","6","1") = "6"
    & skf21("5","3","7","3","6","5","7","1") = "6"
    & skf21("5","3","7","3","6","6","1","1") = "6"
    & skf21("5","3","7","3","6","6","2","1") = "6"
    & skf21("5","3","7","3","6","6","3","1") = "6"
    & skf21("5","3","7","3","6","6","4","1") = "6"
    & skf21("5","3","7","3","6","6","5","1") = "6"
    & skf21("5","3","7","3","6","6","6","1") = "6"
    & skf21("5","3","7","3","6","6","7","1") = "6"
    & skf21("5","3","7","3","6","7","1","1") = "6"
    & skf21("5","3","7","3","6","7","2","1") = "6"
    & skf21("5","3","7","3","6","7","3","1") = "6"
    & skf21("5","3","7","3","6","7","4","1") = "6"
    & skf21("5","3","7","3","6","7","5","1") = "6"
    & skf21("5","3","7","3","6","7","6","1") = "6"
    & skf21("5","3","7","3","6","7","7","1") = "6"
    & skf21("5","3","7","3","7","1","1","1") = "6"
    & skf21("5","3","7","3","7","1","2","1") = "6"
    & skf21("5","3","7","3","7","1","3","1") = "6"
    & skf21("5","3","7","3","7","1","4","1") = "6"
    & skf21("5","3","7","3","7","1","5","1") = "6"
    & skf21("5","3","7","3","7","1","6","1") = "6"
    & skf21("5","3","7","3","7","1","7","1") = "6"
    & skf21("5","3","7","3","7","2","1","1") = "6"
    & skf21("5","3","7","3","7","2","2","1") = "6"
    & skf21("5","3","7","3","7","2","3","1") = "6"
    & skf21("5","3","7","3","7","2","4","1") = "6"
    & skf21("5","3","7","3","7","2","5","1") = "6"
    & skf21("5","3","7","3","7","2","6","1") = "6"
    & skf21("5","3","7","3","7","2","7","1") = "6"
    & skf21("5","3","7","3","7","3","1","1") = "6"
    & skf21("5","3","7","3","7","3","2","1") = "6"
    & skf21("5","3","7","3","7","3","3","1") = "6"
    & skf21("5","3","7","3","7","3","4","1") = "6"
    & skf21("5","3","7","3","7","3","5","1") = "6"
    & skf21("5","3","7","3","7","3","6","1") = "6"
    & skf21("5","3","7","3","7","3","7","1") = "6"
    & skf21("5","3","7","3","7","4","1","1") = "6"
    & skf21("5","3","7","3","7","4","2","1") = "6"
    & skf21("5","3","7","3","7","4","3","1") = "6"
    & skf21("5","3","7","3","7","4","4","1") = "6"
    & skf21("5","3","7","3","7","4","5","1") = "6"
    & skf21("5","3","7","3","7","4","6","1") = "6"
    & skf21("5","3","7","3","7","4","7","1") = "6"
    & skf21("5","3","7","3","7","5","1","1") = "6"
    & skf21("5","3","7","3","7","5","2","1") = "6"
    & skf21("5","3","7","3","7","5","3","1") = "6"
    & skf21("5","3","7","3","7","5","4","1") = "6"
    & skf21("5","3","7","3","7","5","5","1") = "6"
    & skf21("5","3","7","3","7","5","6","1") = "6"
    & skf21("5","3","7","3","7","5","7","1") = "6"
    & skf21("5","3","7","3","7","6","1","1") = "6"
    & skf21("5","3","7","3","7","6","2","1") = "6"
    & skf21("5","3","7","3","7","6","3","1") = "6"
    & skf21("5","3","7","3","7","6","4","1") = "6"
    & skf21("5","3","7","3","7","6","5","1") = "6"
    & skf21("5","3","7","3","7","6","6","1") = "6"
    & skf21("5","3","7","3","7","6","7","1") = "6"
    & skf21("5","3","7","3","7","7","1","1") = "6"
    & skf21("5","3","7","3","7","7","2","1") = "6"
    & skf21("5","3","7","3","7","7","3","1") = "6"
    & skf21("5","3","7","3","7","7","4","1") = "6"
    & skf21("5","3","7","3","7","7","5","1") = "6"
    & skf21("5","3","7","3","7","7","6","1") = "6"
    & skf21("5","3","7","3","7","7","7","1") = "6"
    & skf21("5","3","7","4","1","1","1","1") = "6"
    & skf21("5","3","7","4","1","1","2","1") = "6"
    & skf21("5","3","7","4","1","1","3","1") = "6"
    & skf21("5","3","7","4","1","1","4","1") = "6"
    & skf21("5","3","7","4","1","1","5","1") = "6"
    & skf21("5","3","7","4","1","1","6","1") = "6"
    & skf21("5","3","7","4","1","1","7","1") = "6"
    & skf21("5","3","7","4","1","2","1","1") = "6"
    & skf21("5","3","7","4","1","2","2","1") = "6"
    & skf21("5","3","7","4","1","2","3","1") = "6"
    & skf21("5","3","7","4","1","2","4","1") = "6"
    & skf21("5","3","7","4","1","2","5","1") = "6"
    & skf21("5","3","7","4","1","2","6","1") = "6"
    & skf21("5","3","7","4","1","2","7","1") = "6"
    & skf21("5","3","7","4","1","3","1","1") = "6"
    & skf21("5","3","7","4","1","3","2","1") = "6"
    & skf21("5","3","7","4","1","3","3","1") = "6"
    & skf21("5","3","7","4","1","3","4","1") = "6"
    & skf21("5","3","7","4","1","3","5","1") = "6"
    & skf21("5","3","7","4","1","3","6","1") = "6"
    & skf21("5","3","7","4","1","3","7","1") = "6"
    & skf21("5","3","7","4","1","4","1","1") = "6"
    & skf21("5","3","7","4","1","4","2","1") = "6"
    & skf21("5","3","7","4","1","4","3","1") = "6"
    & skf21("5","3","7","4","1","4","4","1") = "6"
    & skf21("5","3","7","4","1","4","5","1") = "6"
    & skf21("5","3","7","4","1","4","6","1") = "6"
    & skf21("5","3","7","4","1","4","7","1") = "6"
    & skf21("5","3","7","4","1","5","1","1") = "6"
    & skf21("5","3","7","4","1","5","2","1") = "6"
    & skf21("5","3","7","4","1","5","3","1") = "6"
    & skf21("5","3","7","4","1","5","4","1") = "6"
    & skf21("5","3","7","4","1","5","5","1") = "6"
    & skf21("5","3","7","4","1","5","6","1") = "6"
    & skf21("5","3","7","4","1","5","7","1") = "6"
    & skf21("5","3","7","4","1","6","1","1") = "6"
    & skf21("5","3","7","4","1","6","2","1") = "6"
    & skf21("5","3","7","4","1","6","3","1") = "6"
    & skf21("5","3","7","4","1","6","4","1") = "6"
    & skf21("5","3","7","4","1","6","5","1") = "6"
    & skf21("5","3","7","4","1","6","6","1") = "6"
    & skf21("5","3","7","4","1","6","7","1") = "6"
    & skf21("5","3","7","4","1","7","1","1") = "6"
    & skf21("5","3","7","4","1","7","2","1") = "6"
    & skf21("5","3","7","4","1","7","3","1") = "6"
    & skf21("5","3","7","4","1","7","4","1") = "6"
    & skf21("5","3","7","4","1","7","5","1") = "6"
    & skf21("5","3","7","4","1","7","6","1") = "6"
    & skf21("5","3","7","4","1","7","7","1") = "6"
    & skf21("5","3","7","4","2","1","1","1") = "6"
    & skf21("5","3","7","4","2","1","2","1") = "6"
    & skf21("5","3","7","4","2","1","3","1") = "6"
    & skf21("5","3","7","4","2","1","4","1") = "6"
    & skf21("5","3","7","4","2","1","5","1") = "6"
    & skf21("5","3","7","4","2","1","6","1") = "6"
    & skf21("5","3","7","4","2","1","7","1") = "6"
    & skf21("5","3","7","4","2","2","1","1") = "6"
    & skf21("5","3","7","4","2","2","2","1") = "6"
    & skf21("5","3","7","4","2","2","3","1") = "6"
    & skf21("5","3","7","4","2","2","4","1") = "6"
    & skf21("5","3","7","4","2","2","5","1") = "6"
    & skf21("5","3","7","4","2","2","6","1") = "6"
    & skf21("5","3","7","4","2","2","7","1") = "6"
    & skf21("5","3","7","4","2","3","1","1") = "6"
    & skf21("5","3","7","4","2","3","2","1") = "6"
    & skf21("5","3","7","4","2","3","3","1") = "6"
    & skf21("5","3","7","4","2","3","4","1") = "6"
    & skf21("5","3","7","4","2","3","5","1") = "6"
    & skf21("5","3","7","4","2","3","6","1") = "6"
    & skf21("5","3","7","4","2","3","7","1") = "6"
    & skf21("5","3","7","4","2","4","1","1") = "6"
    & skf21("5","3","7","4","2","4","2","1") = "6"
    & skf21("5","3","7","4","2","4","3","1") = "6"
    & skf21("5","3","7","4","2","4","4","1") = "6"
    & skf21("5","3","7","4","2","4","5","1") = "6"
    & skf21("5","3","7","4","2","4","6","1") = "6"
    & skf21("5","3","7","4","2","4","7","1") = "6"
    & skf21("5","3","7","4","2","5","1","1") = "6"
    & skf21("5","3","7","4","2","5","2","1") = "6"
    & skf21("5","3","7","4","2","5","3","1") = "6"
    & skf21("5","3","7","4","2","5","4","1") = "6"
    & skf21("5","3","7","4","2","5","5","1") = "6"
    & skf21("5","3","7","4","2","5","6","1") = "6"
    & skf21("5","3","7","4","2","5","7","1") = "6"
    & skf21("5","3","7","4","2","6","1","1") = "6"
    & skf21("5","3","7","4","2","6","2","1") = "6"
    & skf21("5","3","7","4","2","6","3","1") = "6"
    & skf21("5","3","7","4","2","6","4","1") = "6"
    & skf21("5","3","7","4","2","6","5","1") = "6"
    & skf21("5","3","7","4","2","6","6","1") = "6"
    & skf21("5","3","7","4","2","6","7","1") = "6"
    & skf21("5","3","7","4","2","7","1","1") = "6"
    & skf21("5","3","7","4","2","7","2","1") = "6"
    & skf21("5","3","7","4","2","7","3","1") = "6"
    & skf21("5","3","7","4","2","7","4","1") = "6"
    & skf21("5","3","7","4","2","7","5","1") = "6"
    & skf21("5","3","7","4","2","7","6","1") = "6"
    & skf21("5","3","7","4","2","7","7","1") = "6"
    & skf21("5","3","7","4","3","1","1","1") = "6"
    & skf21("5","3","7","4","3","1","2","1") = "6"
    & skf21("5","3","7","4","3","1","3","1") = "6"
    & skf21("5","3","7","4","3","1","4","1") = "6"
    & skf21("5","3","7","4","3","1","5","1") = "6"
    & skf21("5","3","7","4","3","1","6","1") = "6"
    & skf21("5","3","7","4","3","1","7","1") = "6"
    & skf21("5","3","7","4","3","2","1","1") = "6"
    & skf21("5","3","7","4","3","2","2","1") = "6"
    & skf21("5","3","7","4","3","2","3","1") = "6"
    & skf21("5","3","7","4","3","2","4","1") = "6"
    & skf21("5","3","7","4","3","2","5","1") = "6"
    & skf21("5","3","7","4","3","2","6","1") = "6"
    & skf21("5","3","7","4","3","2","7","1") = "6"
    & skf21("5","3","7","4","3","3","1","1") = "6"
    & skf21("5","3","7","4","3","3","2","1") = "6"
    & skf21("5","3","7","4","3","3","3","1") = "6"
    & skf21("5","3","7","4","3","3","4","1") = "6"
    & skf21("5","3","7","4","3","3","5","1") = "6"
    & skf21("5","3","7","4","3","3","6","1") = "6"
    & skf21("5","3","7","4","3","3","7","1") = "6"
    & skf21("5","3","7","4","3","4","1","1") = "6"
    & skf21("5","3","7","4","3","4","2","1") = "6"
    & skf21("5","3","7","4","3","4","3","1") = "6"
    & skf21("5","3","7","4","3","4","4","1") = "6"
    & skf21("5","3","7","4","3","4","5","1") = "6"
    & skf21("5","3","7","4","3","4","6","1") = "6"
    & skf21("5","3","7","4","3","4","7","1") = "6"
    & skf21("5","3","7","4","3","5","1","1") = "6"
    & skf21("5","3","7","4","3","5","2","1") = "6"
    & skf21("5","3","7","4","3","5","3","1") = "6"
    & skf21("5","3","7","4","3","5","4","1") = "6"
    & skf21("5","3","7","4","3","5","5","1") = "6"
    & skf21("5","3","7","4","3","5","6","1") = "6"
    & skf21("5","3","7","4","3","5","7","1") = "6"
    & skf21("5","3","7","4","3","6","1","1") = "6"
    & skf21("5","3","7","4","3","6","2","1") = "6"
    & skf21("5","3","7","4","3","6","3","1") = "6"
    & skf21("5","3","7","4","3","6","4","1") = "6"
    & skf21("5","3","7","4","3","6","5","1") = "6"
    & skf21("5","3","7","4","3","6","6","1") = "6"
    & skf21("5","3","7","4","3","6","7","1") = "6"
    & skf21("5","3","7","4","3","7","1","1") = "6"
    & skf21("5","3","7","4","3","7","2","1") = "6"
    & skf21("5","3","7","4","3","7","3","1") = "6"
    & skf21("5","3","7","4","3","7","4","1") = "6"
    & skf21("5","3","7","4","3","7","5","1") = "6"
    & skf21("5","3","7","4","3","7","6","1") = "6"
    & skf21("5","3","7","4","3","7","7","1") = "6"
    & skf21("5","3","7","4","4","1","1","1") = "6"
    & skf21("5","3","7","4","4","1","2","1") = "6"
    & skf21("5","3","7","4","4","1","3","1") = "6"
    & skf21("5","3","7","4","4","1","4","1") = "6"
    & skf21("5","3","7","4","4","1","5","1") = "6"
    & skf21("5","3","7","4","4","1","6","1") = "6"
    & skf21("5","3","7","4","4","1","7","1") = "6"
    & skf21("5","3","7","4","4","2","1","1") = "6"
    & skf21("5","3","7","4","4","2","2","1") = "6"
    & skf21("5","3","7","4","4","2","3","1") = "6"
    & skf21("5","3","7","4","4","2","4","1") = "6"
    & skf21("5","3","7","4","4","2","5","1") = "6"
    & skf21("5","3","7","4","4","2","6","1") = "6"
    & skf21("5","3","7","4","4","2","7","1") = "6"
    & skf21("5","3","7","4","4","3","1","1") = "6"
    & skf21("5","3","7","4","4","3","2","1") = "6"
    & skf21("5","3","7","4","4","3","3","1") = "6"
    & skf21("5","3","7","4","4","3","4","1") = "6"
    & skf21("5","3","7","4","4","3","5","1") = "6"
    & skf21("5","3","7","4","4","3","6","1") = "6"
    & skf21("5","3","7","4","4","3","7","1") = "6"
    & skf21("5","3","7","4","4","4","1","1") = "6"
    & skf21("5","3","7","4","4","4","2","1") = "6"
    & skf21("5","3","7","4","4","4","3","1") = "6"
    & skf21("5","3","7","4","4","4","4","1") = "6"
    & skf21("5","3","7","4","4","4","5","1") = "6"
    & skf21("5","3","7","4","4","4","6","1") = "6"
    & skf21("5","3","7","4","4","4","7","1") = "6"
    & skf21("5","3","7","4","4","5","1","1") = "6"
    & skf21("5","3","7","4","4","5","2","1") = "6"
    & skf21("5","3","7","4","4","5","3","1") = "6"
    & skf21("5","3","7","4","4","5","4","1") = "6"
    & skf21("5","3","7","4","4","5","5","1") = "6"
    & skf21("5","3","7","4","4","5","6","1") = "6"
    & skf21("5","3","7","4","4","5","7","1") = "6"
    & skf21("5","3","7","4","4","6","1","1") = "6"
    & skf21("5","3","7","4","4","6","2","1") = "6"
    & skf21("5","3","7","4","4","6","3","1") = "6"
    & skf21("5","3","7","4","4","6","4","1") = "6"
    & skf21("5","3","7","4","4","6","5","1") = "6"
    & skf21("5","3","7","4","4","6","6","1") = "6"
    & skf21("5","3","7","4","4","6","7","1") = "6"
    & skf21("5","3","7","4","4","7","1","1") = "6"
    & skf21("5","3","7","4","4","7","2","1") = "6"
    & skf21("5","3","7","4","4","7","3","1") = "6"
    & skf21("5","3","7","4","4","7","4","1") = "6"
    & skf21("5","3","7","4","4","7","5","1") = "6"
    & skf21("5","3","7","4","4","7","6","1") = "6"
    & skf21("5","3","7","4","4","7","7","1") = "6"
    & skf21("5","3","7","4","5","1","1","1") = "6"
    & skf21("5","3","7","4","5","1","2","1") = "6"
    & skf21("5","3","7","4","5","1","3","1") = "6"
    & skf21("5","3","7","4","5","1","4","1") = "6"
    & skf21("5","3","7","4","5","1","5","1") = "6"
    & skf21("5","3","7","4","5","1","6","1") = "6"
    & skf21("5","3","7","4","5","1","7","1") = "6"
    & skf21("5","3","7","4","5","2","1","1") = "6"
    & skf21("5","3","7","4","5","2","2","1") = "6"
    & skf21("5","3","7","4","5","2","3","1") = "6"
    & skf21("5","3","7","4","5","2","4","1") = "6"
    & skf21("5","3","7","4","5","2","5","1") = "6"
    & skf21("5","3","7","4","5","2","6","1") = "6"
    & skf21("5","3","7","4","5","2","7","1") = "6"
    & skf21("5","3","7","4","5","3","1","1") = "6"
    & skf21("5","3","7","4","5","3","2","1") = "6"
    & skf21("5","3","7","4","5","3","3","1") = "6"
    & skf21("5","3","7","4","5","3","4","1") = "6"
    & skf21("5","3","7","4","5","3","5","1") = "6"
    & skf21("5","3","7","4","5","3","6","1") = "6"
    & skf21("5","3","7","4","5","3","7","1") = "6"
    & skf21("5","3","7","4","5","4","1","1") = "6"
    & skf21("5","3","7","4","5","4","2","1") = "6"
    & skf21("5","3","7","4","5","4","3","1") = "6"
    & skf21("5","3","7","4","5","4","4","1") = "6"
    & skf21("5","3","7","4","5","4","5","1") = "6"
    & skf21("5","3","7","4","5","4","6","1") = "6"
    & skf21("5","3","7","4","5","4","7","1") = "6"
    & skf21("5","3","7","4","5","5","1","1") = "6"
    & skf21("5","3","7","4","5","5","2","1") = "6"
    & skf21("5","3","7","4","5","5","3","1") = "6"
    & skf21("5","3","7","4","5","5","4","1") = "6"
    & skf21("5","3","7","4","5","5","5","1") = "6"
    & skf21("5","3","7","4","5","5","6","1") = "6"
    & skf21("5","3","7","4","5","5","7","1") = "6"
    & skf21("5","3","7","4","5","6","1","1") = "6"
    & skf21("5","3","7","4","5","6","2","1") = "6"
    & skf21("5","3","7","4","5","6","3","1") = "6"
    & skf21("5","3","7","4","5","6","4","1") = "6"
    & skf21("5","3","7","4","5","6","5","1") = "6"
    & skf21("5","3","7","4","5","6","6","1") = "6"
    & skf21("5","3","7","4","5","6","7","1") = "6"
    & skf21("5","3","7","4","5","7","1","1") = "6"
    & skf21("5","3","7","4","5","7","2","1") = "6"
    & skf21("5","3","7","4","5","7","3","1") = "6"
    & skf21("5","3","7","4","5","7","4","1") = "6"
    & skf21("5","3","7","4","5","7","5","1") = "6"
    & skf21("5","3","7","4","5","7","6","1") = "6"
    & skf21("5","3","7","4","5","7","7","1") = "6"
    & skf21("5","3","7","4","6","1","1","1") = "6"
    & skf21("5","3","7","4","6","1","2","1") = "6"
    & skf21("5","3","7","4","6","1","3","1") = "6"
    & skf21("5","3","7","4","6","1","4","1") = "6"
    & skf21("5","3","7","4","6","1","5","1") = "6"
    & skf21("5","3","7","4","6","1","6","1") = "6"
    & skf21("5","3","7","4","6","1","7","1") = "6"
    & skf21("5","3","7","4","6","2","1","1") = "6"
    & skf21("5","3","7","4","6","2","2","1") = "6"
    & skf21("5","3","7","4","6","2","3","1") = "6"
    & skf21("5","3","7","4","6","2","4","1") = "6"
    & skf21("5","3","7","4","6","2","5","1") = "6"
    & skf21("5","3","7","4","6","2","6","1") = "6"
    & skf21("5","3","7","4","6","2","7","1") = "6"
    & skf21("5","3","7","4","6","3","1","1") = "6"
    & skf21("5","3","7","4","6","3","2","1") = "6"
    & skf21("5","3","7","4","6","3","3","1") = "6"
    & skf21("5","3","7","4","6","3","4","1") = "6"
    & skf21("5","3","7","4","6","3","5","1") = "6"
    & skf21("5","3","7","4","6","3","6","1") = "6"
    & skf21("5","3","7","4","6","3","7","1") = "6"
    & skf21("5","3","7","4","6","4","1","1") = "6"
    & skf21("5","3","7","4","6","4","2","1") = "6"
    & skf21("5","3","7","4","6","4","3","1") = "6"
    & skf21("5","3","7","4","6","4","4","1") = "6"
    & skf21("5","3","7","4","6","4","5","1") = "6"
    & skf21("5","3","7","4","6","4","6","1") = "6"
    & skf21("5","3","7","4","6","4","7","1") = "6"
    & skf21("5","3","7","4","6","5","1","1") = "6"
    & skf21("5","3","7","4","6","5","2","1") = "6"
    & skf21("5","3","7","4","6","5","3","1") = "6"
    & skf21("5","3","7","4","6","5","4","1") = "6"
    & skf21("5","3","7","4","6","5","5","1") = "6"
    & skf21("5","3","7","4","6","5","6","1") = "6"
    & skf21("5","3","7","4","6","5","7","1") = "6"
    & skf21("5","3","7","4","6","6","1","1") = "6"
    & skf21("5","3","7","4","6","6","2","1") = "6"
    & skf21("5","3","7","4","6","6","3","1") = "6"
    & skf21("5","3","7","4","6","6","4","1") = "6"
    & skf21("5","3","7","4","6","6","5","1") = "6"
    & skf21("5","3","7","4","6","6","6","1") = "6"
    & skf21("5","3","7","4","6","6","7","1") = "6"
    & skf21("5","3","7","4","6","7","1","1") = "6"
    & skf21("5","3","7","4","6","7","2","1") = "6"
    & skf21("5","3","7","4","6","7","3","1") = "6"
    & skf21("5","3","7","4","6","7","4","1") = "6"
    & skf21("5","3","7","4","6","7","5","1") = "6"
    & skf21("5","3","7","4","6","7","6","1") = "6"
    & skf21("5","3","7","4","6","7","7","1") = "6"
    & skf21("5","3","7","4","7","1","1","1") = "6"
    & skf21("5","3","7","4","7","1","2","1") = "6"
    & skf21("5","3","7","4","7","1","3","1") = "6"
    & skf21("5","3","7","4","7","1","4","1") = "6"
    & skf21("5","3","7","4","7","1","5","1") = "6"
    & skf21("5","3","7","4","7","1","6","1") = "6"
    & skf21("5","3","7","4","7","1","7","1") = "6"
    & skf21("5","3","7","4","7","2","1","1") = "6"
    & skf21("5","3","7","4","7","2","2","1") = "6"
    & skf21("5","3","7","4","7","2","3","1") = "6"
    & skf21("5","3","7","4","7","2","4","1") = "6"
    & skf21("5","3","7","4","7","2","5","1") = "6"
    & skf21("5","3","7","4","7","2","6","1") = "6"
    & skf21("5","3","7","4","7","2","7","1") = "6"
    & skf21("5","3","7","4","7","3","1","1") = "6"
    & skf21("5","3","7","4","7","3","2","1") = "6"
    & skf21("5","3","7","4","7","3","3","1") = "6"
    & skf21("5","3","7","4","7","3","4","1") = "6"
    & skf21("5","3","7","4","7","3","5","1") = "6"
    & skf21("5","3","7","4","7","3","6","1") = "6"
    & skf21("5","3","7","4","7","3","7","1") = "6"
    & skf21("5","3","7","4","7","4","1","1") = "6"
    & skf21("5","3","7","4","7","4","2","1") = "6"
    & skf21("5","3","7","4","7","4","3","1") = "6"
    & skf21("5","3","7","4","7","4","4","1") = "6"
    & skf21("5","3","7","4","7","4","5","1") = "6"
    & skf21("5","3","7","4","7","4","6","1") = "6"
    & skf21("5","3","7","4","7","4","7","1") = "6"
    & skf21("5","3","7","4","7","5","1","1") = "6"
    & skf21("5","3","7","4","7","5","2","1") = "6"
    & skf21("5","3","7","4","7","5","3","1") = "6"
    & skf21("5","3","7","4","7","5","4","1") = "6"
    & skf21("5","3","7","4","7","5","5","1") = "6"
    & skf21("5","3","7","4","7","5","6","1") = "6"
    & skf21("5","3","7","4","7","5","7","1") = "6"
    & skf21("5","3","7","4","7","6","1","1") = "6"
    & skf21("5","3","7","4","7","6","2","1") = "6"
    & skf21("5","3","7","4","7","6","3","1") = "6"
    & skf21("5","3","7","4","7","6","4","1") = "6"
    & skf21("5","3","7","4","7","6","5","1") = "6"
    & skf21("5","3","7","4","7","6","6","1") = "6"
    & skf21("5","3","7","4","7","6","7","1") = "6"
    & skf21("5","3","7","4","7","7","1","1") = "6"
    & skf21("5","3","7","4","7","7","2","1") = "6"
    & skf21("5","3","7","4","7","7","3","1") = "6"
    & skf21("5","3","7","4","7","7","4","1") = "6"
    & skf21("5","3","7","4","7","7","5","1") = "6"
    & skf21("5","3","7","4","7","7","6","1") = "6"
    & skf21("5","3","7","4","7","7","7","1") = "6"
    & skf21("5","3","7","5","1","1","1","1") = "6"
    & skf21("5","3","7","5","1","1","2","1") = "6"
    & skf21("5","3","7","5","1","1","3","1") = "6"
    & skf21("5","3","7","5","1","1","4","1") = "6"
    & skf21("5","3","7","5","1","1","5","1") = "6"
    & skf21("5","3","7","5","1","1","6","1") = "6"
    & skf21("5","3","7","5","1","1","7","1") = "6"
    & skf21("5","3","7","5","1","2","1","1") = "6"
    & skf21("5","3","7","5","1","2","2","1") = "6"
    & skf21("5","3","7","5","1","2","3","1") = "6"
    & skf21("5","3","7","5","1","2","4","1") = "6"
    & skf21("5","3","7","5","1","2","5","1") = "6"
    & skf21("5","3","7","5","1","2","6","1") = "6"
    & skf21("5","3","7","5","1","2","7","1") = "6"
    & skf21("5","3","7","5","1","3","1","1") = "6"
    & skf21("5","3","7","5","1","3","2","1") = "6"
    & skf21("5","3","7","5","1","3","3","1") = "6"
    & skf21("5","3","7","5","1","3","4","1") = "6"
    & skf21("5","3","7","5","1","3","5","1") = "6"
    & skf21("5","3","7","5","1","3","6","1") = "6"
    & skf21("5","3","7","5","1","3","7","1") = "6"
    & skf21("5","3","7","5","1","4","1","1") = "6"
    & skf21("5","3","7","5","1","4","2","1") = "6"
    & skf21("5","3","7","5","1","4","3","1") = "6"
    & skf21("5","3","7","5","1","4","4","1") = "6"
    & skf21("5","3","7","5","1","4","5","1") = "6"
    & skf21("5","3","7","5","1","4","6","1") = "6"
    & skf21("5","3","7","5","1","4","7","1") = "6"
    & skf21("5","3","7","5","1","5","1","1") = "6"
    & skf21("5","3","7","5","1","5","2","1") = "6"
    & skf21("5","3","7","5","1","5","3","1") = "6"
    & skf21("5","3","7","5","1","5","4","1") = "6"
    & skf21("5","3","7","5","1","5","5","1") = "6"
    & skf21("5","3","7","5","1","5","6","1") = "6"
    & skf21("5","3","7","5","1","5","7","1") = "6"
    & skf21("5","3","7","5","1","6","1","1") = "6"
    & skf21("5","3","7","5","1","6","2","1") = "6"
    & skf21("5","3","7","5","1","6","3","1") = "6"
    & skf21("5","3","7","5","1","6","4","1") = "6"
    & skf21("5","3","7","5","1","6","5","1") = "6"
    & skf21("5","3","7","5","1","6","6","1") = "6"
    & skf21("5","3","7","5","1","6","7","1") = "6"
    & skf21("5","3","7","5","1","7","1","1") = "6"
    & skf21("5","3","7","5","1","7","2","1") = "6"
    & skf21("5","3","7","5","1","7","3","1") = "6"
    & skf21("5","3","7","5","1","7","4","1") = "6"
    & skf21("5","3","7","5","1","7","5","1") = "6"
    & skf21("5","3","7","5","1","7","6","1") = "6"
    & skf21("5","3","7","5","1","7","7","1") = "6"
    & skf21("5","3","7","5","2","1","1","1") = "6"
    & skf21("5","3","7","5","2","1","2","1") = "6"
    & skf21("5","3","7","5","2","1","3","1") = "6"
    & skf21("5","3","7","5","2","1","4","1") = "6"
    & skf21("5","3","7","5","2","1","5","1") = "6"
    & skf21("5","3","7","5","2","1","6","1") = "6"
    & skf21("5","3","7","5","2","1","7","1") = "6"
    & skf21("5","3","7","5","2","2","1","1") = "6"
    & skf21("5","3","7","5","2","2","2","1") = "6"
    & skf21("5","3","7","5","2","2","3","1") = "6"
    & skf21("5","3","7","5","2","2","4","1") = "6"
    & skf21("5","3","7","5","2","2","5","1") = "6"
    & skf21("5","3","7","5","2","2","6","1") = "6"
    & skf21("5","3","7","5","2","2","7","1") = "6"
    & skf21("5","3","7","5","2","3","1","1") = "6"
    & skf21("5","3","7","5","2","3","2","1") = "6"
    & skf21("5","3","7","5","2","3","3","1") = "6"
    & skf21("5","3","7","5","2","3","4","1") = "6"
    & skf21("5","3","7","5","2","3","5","1") = "6"
    & skf21("5","3","7","5","2","3","6","1") = "6"
    & skf21("5","3","7","5","2","3","7","1") = "6"
    & skf21("5","3","7","5","2","4","1","1") = "6"
    & skf21("5","3","7","5","2","4","2","1") = "6"
    & skf21("5","3","7","5","2","4","3","1") = "6"
    & skf21("5","3","7","5","2","4","4","1") = "6"
    & skf21("5","3","7","5","2","4","5","1") = "6"
    & skf21("5","3","7","5","2","4","6","1") = "6"
    & skf21("5","3","7","5","2","4","7","1") = "6"
    & skf21("5","3","7","5","2","5","1","1") = "6"
    & skf21("5","3","7","5","2","5","2","1") = "6"
    & skf21("5","3","7","5","2","5","3","1") = "6"
    & skf21("5","3","7","5","2","5","4","1") = "6"
    & skf21("5","3","7","5","2","5","5","1") = "6"
    & skf21("5","3","7","5","2","5","6","1") = "6"
    & skf21("5","3","7","5","2","5","7","1") = "6"
    & skf21("5","3","7","5","2","6","1","1") = "6"
    & skf21("5","3","7","5","2","6","2","1") = "6"
    & skf21("5","3","7","5","2","6","3","1") = "6"
    & skf21("5","3","7","5","2","6","4","1") = "6"
    & skf21("5","3","7","5","2","6","5","1") = "6"
    & skf21("5","3","7","5","2","6","6","1") = "6"
    & skf21("5","3","7","5","2","6","7","1") = "6"
    & skf21("5","3","7","5","2","7","1","1") = "6"
    & skf21("5","3","7","5","2","7","2","1") = "6"
    & skf21("5","3","7","5","2","7","3","1") = "6"
    & skf21("5","3","7","5","2","7","4","1") = "6"
    & skf21("5","3","7","5","2","7","5","1") = "6"
    & skf21("5","3","7","5","2","7","6","1") = "6"
    & skf21("5","3","7","5","2","7","7","1") = "6"
    & skf21("5","3","7","5","3","1","1","1") = "6"
    & skf21("5","3","7","5","3","1","2","1") = "6"
    & skf21("5","3","7","5","3","1","3","1") = "6"
    & skf21("5","3","7","5","3","1","4","1") = "6"
    & skf21("5","3","7","5","3","1","5","1") = "6"
    & skf21("5","3","7","5","3","1","6","1") = "6"
    & skf21("5","3","7","5","3","1","7","1") = "6"
    & skf21("5","3","7","5","3","2","1","1") = "6"
    & skf21("5","3","7","5","3","2","2","1") = "6"
    & skf21("5","3","7","5","3","2","3","1") = "6"
    & skf21("5","3","7","5","3","2","4","1") = "6"
    & skf21("5","3","7","5","3","2","5","1") = "6"
    & skf21("5","3","7","5","3","2","6","1") = "6"
    & skf21("5","3","7","5","3","2","7","1") = "6"
    & skf21("5","3","7","5","3","3","1","1") = "6"
    & skf21("5","3","7","5","3","3","2","1") = "6"
    & skf21("5","3","7","5","3","3","3","1") = "6"
    & skf21("5","3","7","5","3","3","4","1") = "6"
    & skf21("5","3","7","5","3","3","5","1") = "6"
    & skf21("5","3","7","5","3","3","6","1") = "6"
    & skf21("5","3","7","5","3","3","7","1") = "6"
    & skf21("5","3","7","5","3","4","1","1") = "6"
    & skf21("5","3","7","5","3","4","2","1") = "6"
    & skf21("5","3","7","5","3","4","3","1") = "6"
    & skf21("5","3","7","5","3","4","4","1") = "6"
    & skf21("5","3","7","5","3","4","5","1") = "6"
    & skf21("5","3","7","5","3","4","6","1") = "6"
    & skf21("5","3","7","5","3","4","7","1") = "6"
    & skf21("5","3","7","5","3","5","1","1") = "6"
    & skf21("5","3","7","5","3","5","2","1") = "6"
    & skf21("5","3","7","5","3","5","3","1") = "6"
    & skf21("5","3","7","5","3","5","4","1") = "6"
    & skf21("5","3","7","5","3","5","5","1") = "6"
    & skf21("5","3","7","5","3","5","6","1") = "6"
    & skf21("5","3","7","5","3","5","7","1") = "6"
    & skf21("5","3","7","5","3","6","1","1") = "6"
    & skf21("5","3","7","5","3","6","2","1") = "6"
    & skf21("5","3","7","5","3","6","3","1") = "6"
    & skf21("5","3","7","5","3","6","4","1") = "6"
    & skf21("5","3","7","5","3","6","5","1") = "6"
    & skf21("5","3","7","5","3","6","6","1") = "6"
    & skf21("5","3","7","5","3","6","7","1") = "6"
    & skf21("5","3","7","5","3","7","1","1") = "6"
    & skf21("5","3","7","5","3","7","2","1") = "6"
    & skf21("5","3","7","5","3","7","3","1") = "6"
    & skf21("5","3","7","5","3","7","4","1") = "6"
    & skf21("5","3","7","5","3","7","5","1") = "6"
    & skf21("5","3","7","5","3","7","6","1") = "6"
    & skf21("5","3","7","5","3","7","7","1") = "6"
    & skf21("5","3","7","5","4","1","1","1") = "6"
    & skf21("5","3","7","5","4","1","2","1") = "6"
    & skf21("5","3","7","5","4","1","3","1") = "6"
    & skf21("5","3","7","5","4","1","4","1") = "6"
    & skf21("5","3","7","5","4","1","5","1") = "6"
    & skf21("5","3","7","5","4","1","6","1") = "6"
    & skf21("5","3","7","5","4","1","7","1") = "6"
    & skf21("5","3","7","5","4","2","1","1") = "6"
    & skf21("5","3","7","5","4","2","2","1") = "6"
    & skf21("5","3","7","5","4","2","3","1") = "6"
    & skf21("5","3","7","5","4","2","4","1") = "6"
    & skf21("5","3","7","5","4","2","5","1") = "6"
    & skf21("5","3","7","5","4","2","6","1") = "6"
    & skf21("5","3","7","5","4","2","7","1") = "6"
    & skf21("5","3","7","5","4","3","1","1") = "6"
    & skf21("5","3","7","5","4","3","2","1") = "6"
    & skf21("5","3","7","5","4","3","3","1") = "6"
    & skf21("5","3","7","5","4","3","4","1") = "6"
    & skf21("5","3","7","5","4","3","5","1") = "6"
    & skf21("5","3","7","5","4","3","6","1") = "6"
    & skf21("5","3","7","5","4","3","7","1") = "6"
    & skf21("5","3","7","5","4","4","1","1") = "6"
    & skf21("5","3","7","5","4","4","2","1") = "6"
    & skf21("5","3","7","5","4","4","3","1") = "6"
    & skf21("5","3","7","5","4","4","4","1") = "6"
    & skf21("5","3","7","5","4","4","5","1") = "6"
    & skf21("5","3","7","5","4","4","6","1") = "6"
    & skf21("5","3","7","5","4","4","7","1") = "6"
    & skf21("5","3","7","5","4","5","1","1") = "6"
    & skf21("5","3","7","5","4","5","2","1") = "6"
    & skf21("5","3","7","5","4","5","3","1") = "6"
    & skf21("5","3","7","5","4","5","4","1") = "6"
    & skf21("5","3","7","5","4","5","5","1") = "6"
    & skf21("5","3","7","5","4","5","6","1") = "6"
    & skf21("5","3","7","5","4","5","7","1") = "6"
    & skf21("5","3","7","5","4","6","1","1") = "6"
    & skf21("5","3","7","5","4","6","2","1") = "6"
    & skf21("5","3","7","5","4","6","3","1") = "6"
    & skf21("5","3","7","5","4","6","4","1") = "6"
    & skf21("5","3","7","5","4","6","5","1") = "6"
    & skf21("5","3","7","5","4","6","6","1") = "6"
    & skf21("5","3","7","5","4","6","7","1") = "6"
    & skf21("5","3","7","5","4","7","1","1") = "6"
    & skf21("5","3","7","5","4","7","2","1") = "6"
    & skf21("5","3","7","5","4","7","3","1") = "6"
    & skf21("5","3","7","5","4","7","4","1") = "6"
    & skf21("5","3","7","5","4","7","5","1") = "6"
    & skf21("5","3","7","5","4","7","6","1") = "6"
    & skf21("5","3","7","5","4","7","7","1") = "6"
    & skf21("5","3","7","5","5","1","1","1") = "6"
    & skf21("5","3","7","5","5","1","2","1") = "6"
    & skf21("5","3","7","5","5","1","3","1") = "6"
    & skf21("5","3","7","5","5","1","4","1") = "6"
    & skf21("5","3","7","5","5","1","5","1") = "6"
    & skf21("5","3","7","5","5","1","6","1") = "6"
    & skf21("5","3","7","5","5","1","7","1") = "6"
    & skf21("5","3","7","5","5","2","1","1") = "6"
    & skf21("5","3","7","5","5","2","2","1") = "6"
    & skf21("5","3","7","5","5","2","3","1") = "6"
    & skf21("5","3","7","5","5","2","4","1") = "6"
    & skf21("5","3","7","5","5","2","5","1") = "6"
    & skf21("5","3","7","5","5","2","6","1") = "6"
    & skf21("5","3","7","5","5","2","7","1") = "6"
    & skf21("5","3","7","5","5","3","1","1") = "6"
    & skf21("5","3","7","5","5","3","2","1") = "6"
    & skf21("5","3","7","5","5","3","3","1") = "6"
    & skf21("5","3","7","5","5","3","4","1") = "6"
    & skf21("5","3","7","5","5","3","5","1") = "6"
    & skf21("5","3","7","5","5","3","6","1") = "6"
    & skf21("5","3","7","5","5","3","7","1") = "6"
    & skf21("5","3","7","5","5","4","1","1") = "6"
    & skf21("5","3","7","5","5","4","2","1") = "6"
    & skf21("5","3","7","5","5","4","3","1") = "6"
    & skf21("5","3","7","5","5","4","4","1") = "6"
    & skf21("5","3","7","5","5","4","5","1") = "6"
    & skf21("5","3","7","5","5","4","6","1") = "6"
    & skf21("5","3","7","5","5","4","7","1") = "6"
    & skf21("5","3","7","5","5","5","1","1") = "6"
    & skf21("5","3","7","5","5","5","2","1") = "6"
    & skf21("5","3","7","5","5","5","3","1") = "6"
    & skf21("5","3","7","5","5","5","4","1") = "6"
    & skf21("5","3","7","5","5","5","5","1") = "6"
    & skf21("5","3","7","5","5","5","6","1") = "6"
    & skf21("5","3","7","5","5","5","7","1") = "6"
    & skf21("5","3","7","5","5","6","1","1") = "6"
    & skf21("5","3","7","5","5","6","2","1") = "6"
    & skf21("5","3","7","5","5","6","3","1") = "6"
    & skf21("5","3","7","5","5","6","4","1") = "6"
    & skf21("5","3","7","5","5","6","5","1") = "6"
    & skf21("5","3","7","5","5","6","6","1") = "6"
    & skf21("5","3","7","5","5","6","7","1") = "6"
    & skf21("5","3","7","5","5","7","1","1") = "6"
    & skf21("5","3","7","5","5","7","2","1") = "6"
    & skf21("5","3","7","5","5","7","3","1") = "6"
    & skf21("5","3","7","5","5","7","4","1") = "6"
    & skf21("5","3","7","5","5","7","5","1") = "6"
    & skf21("5","3","7","5","5","7","6","1") = "6"
    & skf21("5","3","7","5","5","7","7","1") = "6"
    & skf21("5","3","7","5","6","1","1","1") = "6"
    & skf21("5","3","7","5","6","1","2","1") = "6"
    & skf21("5","3","7","5","6","1","3","1") = "6"
    & skf21("5","3","7","5","6","1","4","1") = "6"
    & skf21("5","3","7","5","6","1","5","1") = "6"
    & skf21("5","3","7","5","6","1","6","1") = "6"
    & skf21("5","3","7","5","6","1","7","1") = "6"
    & skf21("5","3","7","5","6","2","1","1") = "6"
    & skf21("5","3","7","5","6","2","2","1") = "6"
    & skf21("5","3","7","5","6","2","3","1") = "6"
    & skf21("5","3","7","5","6","2","4","1") = "6"
    & skf21("5","3","7","5","6","2","5","1") = "6"
    & skf21("5","3","7","5","6","2","6","1") = "6"
    & skf21("5","3","7","5","6","2","7","1") = "6"
    & skf21("5","3","7","5","6","3","1","1") = "6"
    & skf21("5","3","7","5","6","3","2","1") = "6"
    & skf21("5","3","7","5","6","3","3","1") = "6"
    & skf21("5","3","7","5","6","3","4","1") = "6"
    & skf21("5","3","7","5","6","3","5","1") = "6"
    & skf21("5","3","7","5","6","3","6","1") = "6"
    & skf21("5","3","7","5","6","3","7","1") = "6"
    & skf21("5","3","7","5","6","4","1","1") = "6"
    & skf21("5","3","7","5","6","4","2","1") = "6"
    & skf21("5","3","7","5","6","4","3","1") = "6"
    & skf21("5","3","7","5","6","4","4","1") = "6"
    & skf21("5","3","7","5","6","4","5","1") = "6"
    & skf21("5","3","7","5","6","4","6","1") = "6"
    & skf21("5","3","7","5","6","4","7","1") = "6"
    & skf21("5","3","7","5","6","5","1","1") = "6"
    & skf21("5","3","7","5","6","5","2","1") = "6"
    & skf21("5","3","7","5","6","5","3","1") = "6"
    & skf21("5","3","7","5","6","5","4","1") = "6"
    & skf21("5","3","7","5","6","5","5","1") = "6"
    & skf21("5","3","7","5","6","5","6","1") = "6"
    & skf21("5","3","7","5","6","5","7","1") = "6"
    & skf21("5","3","7","5","6","6","1","1") = "6"
    & skf21("5","3","7","5","6","6","2","1") = "6"
    & skf21("5","3","7","5","6","6","3","1") = "6"
    & skf21("5","3","7","5","6","6","4","1") = "6"
    & skf21("5","3","7","5","6","6","5","1") = "6"
    & skf21("5","3","7","5","6","6","6","1") = "6"
    & skf21("5","3","7","5","6","6","7","1") = "6"
    & skf21("5","3","7","5","6","7","1","1") = "6"
    & skf21("5","3","7","5","6","7","2","1") = "6"
    & skf21("5","3","7","5","6","7","3","1") = "6"
    & skf21("5","3","7","5","6","7","4","1") = "6"
    & skf21("5","3","7","5","6","7","5","1") = "6"
    & skf21("5","3","7","5","6","7","6","1") = "6"
    & skf21("5","3","7","5","6","7","7","1") = "6"
    & skf21("5","3","7","5","7","1","1","1") = "6"
    & skf21("5","3","7","5","7","1","2","1") = "6"
    & skf21("5","3","7","5","7","1","3","1") = "6"
    & skf21("5","3","7","5","7","1","4","1") = "6"
    & skf21("5","3","7","5","7","1","5","1") = "6"
    & skf21("5","3","7","5","7","1","6","1") = "6"
    & skf21("5","3","7","5","7","1","7","1") = "6"
    & skf21("5","3","7","5","7","2","1","1") = "6"
    & skf21("5","3","7","5","7","2","2","1") = "6"
    & skf21("5","3","7","5","7","2","3","1") = "6"
    & skf21("5","3","7","5","7","2","4","1") = "6"
    & skf21("5","3","7","5","7","2","5","1") = "6"
    & skf21("5","3","7","5","7","2","6","1") = "6"
    & skf21("5","3","7","5","7","2","7","1") = "6"
    & skf21("5","3","7","5","7","3","1","1") = "6"
    & skf21("5","3","7","5","7","3","2","1") = "6"
    & skf21("5","3","7","5","7","3","3","1") = "6"
    & skf21("5","3","7","5","7","3","4","1") = "6"
    & skf21("5","3","7","5","7","3","5","1") = "6"
    & skf21("5","3","7","5","7","3","6","1") = "6"
    & skf21("5","3","7","5","7","3","7","1") = "6"
    & skf21("5","3","7","5","7","4","1","1") = "6"
    & skf21("5","3","7","5","7","4","2","1") = "6"
    & skf21("5","3","7","5","7","4","3","1") = "6"
    & skf21("5","3","7","5","7","4","4","1") = "6"
    & skf21("5","3","7","5","7","4","5","1") = "6"
    & skf21("5","3","7","5","7","4","6","1") = "6"
    & skf21("5","3","7","5","7","4","7","1") = "6"
    & skf21("5","3","7","5","7","5","1","1") = "6"
    & skf21("5","3","7","5","7","5","2","1") = "6"
    & skf21("5","3","7","5","7","5","3","1") = "6"
    & skf21("5","3","7","5","7","5","4","1") = "6"
    & skf21("5","3","7","5","7","5","5","1") = "6"
    & skf21("5","3","7","5","7","5","6","1") = "6"
    & skf21("5","3","7","5","7","5","7","1") = "6"
    & skf21("5","3","7","5","7","6","1","1") = "6"
    & skf21("5","3","7","5","7","6","2","1") = "6"
    & skf21("5","3","7","5","7","6","3","1") = "6"
    & skf21("5","3","7","5","7","6","4","1") = "6"
    & skf21("5","3","7","5","7","6","5","1") = "6"
    & skf21("5","3","7","5","7","6","6","1") = "6"
    & skf21("5","3","7","5","7","6","7","1") = "6"
    & skf21("5","3","7","5","7","7","1","1") = "6"
    & skf21("5","3","7","5","7","7","2","1") = "6"
    & skf21("5","3","7","5","7","7","3","1") = "6"
    & skf21("5","3","7","5","7","7","4","1") = "6"
    & skf21("5","3","7","5","7","7","5","1") = "6"
    & skf21("5","3","7","5","7","7","6","1") = "6"
    & skf21("5","3","7","5","7","7","7","1") = "6"
    & skf21("5","3","7","6","1","1","1","1") = "6"
    & skf21("5","3","7","6","1","1","2","1") = "6"
    & skf21("5","3","7","6","1","1","3","1") = "6"
    & skf21("5","3","7","6","1","1","4","1") = "6"
    & skf21("5","3","7","6","1","1","5","1") = "6"
    & skf21("5","3","7","6","1","1","6","1") = "6"
    & skf21("5","3","7","6","1","1","7","1") = "6"
    & skf21("5","3","7","6","1","2","1","1") = "6"
    & skf21("5","3","7","6","1","2","2","1") = "6"
    & skf21("5","3","7","6","1","2","3","1") = "6"
    & skf21("5","3","7","6","1","2","4","1") = "6"
    & skf21("5","3","7","6","1","2","5","1") = "6"
    & skf21("5","3","7","6","1","2","6","1") = "6"
    & skf21("5","3","7","6","1","2","7","1") = "6"
    & skf21("5","3","7","6","1","3","1","1") = "6"
    & skf21("5","3","7","6","1","3","2","1") = "6"
    & skf21("5","3","7","6","1","3","3","1") = "6"
    & skf21("5","3","7","6","1","3","4","1") = "6"
    & skf21("5","3","7","6","1","3","5","1") = "6"
    & skf21("5","3","7","6","1","3","6","1") = "6"
    & skf21("5","3","7","6","1","3","7","1") = "6"
    & skf21("5","3","7","6","1","4","1","1") = "6"
    & skf21("5","3","7","6","1","4","2","1") = "6"
    & skf21("5","3","7","6","1","4","3","1") = "6"
    & skf21("5","3","7","6","1","4","4","1") = "6"
    & skf21("5","3","7","6","1","4","5","1") = "6"
    & skf21("5","3","7","6","1","4","6","1") = "6"
    & skf21("5","3","7","6","1","4","7","1") = "6"
    & skf21("5","3","7","6","1","5","1","1") = "6"
    & skf21("5","3","7","6","1","5","2","1") = "6"
    & skf21("5","3","7","6","1","5","3","1") = "6"
    & skf21("5","3","7","6","1","5","4","1") = "6"
    & skf21("5","3","7","6","1","5","5","1") = "6"
    & skf21("5","3","7","6","1","5","6","1") = "6"
    & skf21("5","3","7","6","1","5","7","1") = "6"
    & skf21("5","3","7","6","1","6","1","1") = "6"
    & skf21("5","3","7","6","1","6","2","1") = "6"
    & skf21("5","3","7","6","1","6","3","1") = "6"
    & skf21("5","3","7","6","1","6","4","1") = "6"
    & skf21("5","3","7","6","1","6","5","1") = "6"
    & skf21("5","3","7","6","1","6","6","1") = "6"
    & skf21("5","3","7","6","1","6","7","1") = "6"
    & skf21("5","3","7","6","1","7","1","1") = "6"
    & skf21("5","3","7","6","1","7","2","1") = "6"
    & skf21("5","3","7","6","1","7","3","1") = "6"
    & skf21("5","3","7","6","1","7","4","1") = "6"
    & skf21("5","3","7","6","1","7","5","1") = "6"
    & skf21("5","3","7","6","1","7","6","1") = "6"
    & skf21("5","3","7","6","1","7","7","1") = "6"
    & skf21("5","3","7","6","2","1","1","1") = "6"
    & skf21("5","3","7","6","2","1","2","1") = "6"
    & skf21("5","3","7","6","2","1","3","1") = "6"
    & skf21("5","3","7","6","2","1","4","1") = "6"
    & skf21("5","3","7","6","2","1","5","1") = "6"
    & skf21("5","3","7","6","2","1","6","1") = "6"
    & skf21("5","3","7","6","2","1","7","1") = "6"
    & skf21("5","3","7","6","2","2","1","1") = "6"
    & skf21("5","3","7","6","2","2","2","1") = "6"
    & skf21("5","3","7","6","2","2","3","1") = "6"
    & skf21("5","3","7","6","2","2","4","1") = "6"
    & skf21("5","3","7","6","2","2","5","1") = "6"
    & skf21("5","3","7","6","2","2","6","1") = "6"
    & skf21("5","3","7","6","2","2","7","1") = "6"
    & skf21("5","3","7","6","2","3","1","1") = "6"
    & skf21("5","3","7","6","2","3","2","1") = "6"
    & skf21("5","3","7","6","2","3","3","1") = "6"
    & skf21("5","3","7","6","2","3","4","1") = "6"
    & skf21("5","3","7","6","2","3","5","1") = "6"
    & skf21("5","3","7","6","2","3","6","1") = "6"
    & skf21("5","3","7","6","2","3","7","1") = "6"
    & skf21("5","3","7","6","2","4","1","1") = "6"
    & skf21("5","3","7","6","2","4","2","1") = "6"
    & skf21("5","3","7","6","2","4","3","1") = "6"
    & skf21("5","3","7","6","2","4","4","1") = "6"
    & skf21("5","3","7","6","2","4","5","1") = "6"
    & skf21("5","3","7","6","2","4","6","1") = "6"
    & skf21("5","3","7","6","2","4","7","1") = "6"
    & skf21("5","3","7","6","2","5","1","1") = "6"
    & skf21("5","3","7","6","2","5","2","1") = "6"
    & skf21("5","3","7","6","2","5","3","1") = "6"
    & skf21("5","3","7","6","2","5","4","1") = "6"
    & skf21("5","3","7","6","2","5","5","1") = "6"
    & skf21("5","3","7","6","2","5","6","1") = "6"
    & skf21("5","3","7","6","2","5","7","1") = "6"
    & skf21("5","3","7","6","2","6","1","1") = "6"
    & skf21("5","3","7","6","2","6","2","1") = "6"
    & skf21("5","3","7","6","2","6","3","1") = "6"
    & skf21("5","3","7","6","2","6","4","1") = "6"
    & skf21("5","3","7","6","2","6","5","1") = "6"
    & skf21("5","3","7","6","2","6","6","1") = "6"
    & skf21("5","3","7","6","2","6","7","1") = "6"
    & skf21("5","3","7","6","2","7","1","1") = "6"
    & skf21("5","3","7","6","2","7","2","1") = "6"
    & skf21("5","3","7","6","2","7","3","1") = "6"
    & skf21("5","3","7","6","2","7","4","1") = "6"
    & skf21("5","3","7","6","2","7","5","1") = "6"
    & skf21("5","3","7","6","2","7","6","1") = "6"
    & skf21("5","3","7","6","2","7","7","1") = "6"
    & skf21("5","3","7","6","3","1","1","1") = "6"
    & skf21("5","3","7","6","3","1","2","1") = "6"
    & skf21("5","3","7","6","3","1","3","1") = "6"
    & skf21("5","3","7","6","3","1","4","1") = "6"
    & skf21("5","3","7","6","3","1","5","1") = "6"
    & skf21("5","3","7","6","3","1","6","1") = "6"
    & skf21("5","3","7","6","3","1","7","1") = "6"
    & skf21("5","3","7","6","3","2","1","1") = "6"
    & skf21("5","3","7","6","3","2","2","1") = "6"
    & skf21("5","3","7","6","3","2","3","1") = "6"
    & skf21("5","3","7","6","3","2","4","1") = "6"
    & skf21("5","3","7","6","3","2","5","1") = "6"
    & skf21("5","3","7","6","3","2","6","1") = "6"
    & skf21("5","3","7","6","3","2","7","1") = "6"
    & skf21("5","3","7","6","3","3","1","1") = "6"
    & skf21("5","3","7","6","3","3","2","1") = "6"
    & skf21("5","3","7","6","3","3","3","1") = "6"
    & skf21("5","3","7","6","3","3","4","1") = "6"
    & skf21("5","3","7","6","3","3","5","1") = "6"
    & skf21("5","3","7","6","3","3","6","1") = "6"
    & skf21("5","3","7","6","3","3","7","1") = "6"
    & skf21("5","3","7","6","3","4","1","1") = "6"
    & skf21("5","3","7","6","3","4","2","1") = "6"
    & skf21("5","3","7","6","3","4","3","1") = "6"
    & skf21("5","3","7","6","3","4","4","1") = "6"
    & skf21("5","3","7","6","3","4","5","1") = "6"
    & skf21("5","3","7","6","3","4","6","1") = "6"
    & skf21("5","3","7","6","3","4","7","1") = "6"
    & skf21("5","3","7","6","3","5","1","1") = "6"
    & skf21("5","3","7","6","3","5","2","1") = "6"
    & skf21("5","3","7","6","3","5","3","1") = "6"
    & skf21("5","3","7","6","3","5","4","1") = "6"
    & skf21("5","3","7","6","3","5","5","1") = "6"
    & skf21("5","3","7","6","3","5","6","1") = "6"
    & skf21("5","3","7","6","3","5","7","1") = "6"
    & skf21("5","3","7","6","3","6","1","1") = "6"
    & skf21("5","3","7","6","3","6","2","1") = "6"
    & skf21("5","3","7","6","3","6","3","1") = "6"
    & skf21("5","3","7","6","3","6","4","1") = "6"
    & skf21("5","3","7","6","3","6","5","1") = "6"
    & skf21("5","3","7","6","3","6","6","1") = "6"
    & skf21("5","3","7","6","3","6","7","1") = "6"
    & skf21("5","3","7","6","3","7","1","1") = "6"
    & skf21("5","3","7","6","3","7","2","1") = "6"
    & skf21("5","3","7","6","3","7","3","1") = "6"
    & skf21("5","3","7","6","3","7","4","1") = "6"
    & skf21("5","3","7","6","3","7","5","1") = "6"
    & skf21("5","3","7","6","3","7","6","1") = "6"
    & skf21("5","3","7","6","3","7","7","1") = "6"
    & skf21("5","3","7","6","4","1","1","1") = "6"
    & skf21("5","3","7","6","4","1","2","1") = "6"
    & skf21("5","3","7","6","4","1","3","1") = "6"
    & skf21("5","3","7","6","4","1","4","1") = "6"
    & skf21("5","3","7","6","4","1","5","1") = "6"
    & skf21("5","3","7","6","4","1","6","1") = "6"
    & skf21("5","3","7","6","4","1","7","1") = "6"
    & skf21("5","3","7","6","4","2","1","1") = "6"
    & skf21("5","3","7","6","4","2","2","1") = "6"
    & skf21("5","3","7","6","4","2","3","1") = "6"
    & skf21("5","3","7","6","4","2","4","1") = "6"
    & skf21("5","3","7","6","4","2","5","1") = "6"
    & skf21("5","3","7","6","4","2","6","1") = "6"
    & skf21("5","3","7","6","4","2","7","1") = "6"
    & skf21("5","3","7","6","4","3","1","1") = "6"
    & skf21("5","3","7","6","4","3","2","1") = "6"
    & skf21("5","3","7","6","4","3","3","1") = "6"
    & skf21("5","3","7","6","4","3","4","1") = "6"
    & skf21("5","3","7","6","4","3","5","1") = "6"
    & skf21("5","3","7","6","4","3","6","1") = "6"
    & skf21("5","3","7","6","4","3","7","1") = "6"
    & skf21("5","3","7","6","4","4","1","1") = "6"
    & skf21("5","3","7","6","4","4","2","1") = "6"
    & skf21("5","3","7","6","4","4","3","1") = "6"
    & skf21("5","3","7","6","4","4","4","1") = "6"
    & skf21("5","3","7","6","4","4","5","1") = "6"
    & skf21("5","3","7","6","4","4","6","1") = "6"
    & skf21("5","3","7","6","4","4","7","1") = "6"
    & skf21("5","3","7","6","4","5","1","1") = "6"
    & skf21("5","3","7","6","4","5","2","1") = "6"
    & skf21("5","3","7","6","4","5","3","1") = "6"
    & skf21("5","3","7","6","4","5","4","1") = "6"
    & skf21("5","3","7","6","4","5","5","1") = "6"
    & skf21("5","3","7","6","4","5","6","1") = "6"
    & skf21("5","3","7","6","4","5","7","1") = "6"
    & skf21("5","3","7","6","4","6","1","1") = "6"
    & skf21("5","3","7","6","4","6","2","1") = "6"
    & skf21("5","3","7","6","4","6","3","1") = "6"
    & skf21("5","3","7","6","4","6","4","1") = "6"
    & skf21("5","3","7","6","4","6","5","1") = "6"
    & skf21("5","3","7","6","4","6","6","1") = "6"
    & skf21("5","3","7","6","4","6","7","1") = "6"
    & skf21("5","3","7","6","4","7","1","1") = "6"
    & skf21("5","3","7","6","4","7","2","1") = "6"
    & skf21("5","3","7","6","4","7","3","1") = "6"
    & skf21("5","3","7","6","4","7","4","1") = "6"
    & skf21("5","3","7","6","4","7","5","1") = "6"
    & skf21("5","3","7","6","4","7","6","1") = "6"
    & skf21("5","3","7","6","4","7","7","1") = "6"
    & skf21("5","3","7","6","5","1","1","1") = "6"
    & skf21("5","3","7","6","5","1","2","1") = "6"
    & skf21("5","3","7","6","5","1","3","1") = "6"
    & skf21("5","3","7","6","5","1","4","1") = "6"
    & skf21("5","3","7","6","5","1","5","1") = "6"
    & skf21("5","3","7","6","5","1","6","1") = "6"
    & skf21("5","3","7","6","5","1","7","1") = "6"
    & skf21("5","3","7","6","5","2","1","1") = "6"
    & skf21("5","3","7","6","5","2","2","1") = "6"
    & skf21("5","3","7","6","5","2","3","1") = "6"
    & skf21("5","3","7","6","5","2","4","1") = "6"
    & skf21("5","3","7","6","5","2","5","1") = "6"
    & skf21("5","3","7","6","5","2","6","1") = "6"
    & skf21("5","3","7","6","5","2","7","1") = "6"
    & skf21("5","3","7","6","5","3","1","1") = "6"
    & skf21("5","3","7","6","5","3","2","1") = "6"
    & skf21("5","3","7","6","5","3","3","1") = "6"
    & skf21("5","3","7","6","5","3","4","1") = "6"
    & skf21("5","3","7","6","5","3","5","1") = "6"
    & skf21("5","3","7","6","5","3","6","1") = "6"
    & skf21("5","3","7","6","5","3","7","1") = "6"
    & skf21("5","3","7","6","5","4","1","1") = "6"
    & skf21("5","3","7","6","5","4","2","1") = "6"
    & skf21("5","3","7","6","5","4","3","1") = "6"
    & skf21("5","3","7","6","5","4","4","1") = "6"
    & skf21("5","3","7","6","5","4","5","1") = "6"
    & skf21("5","3","7","6","5","4","6","1") = "6"
    & skf21("5","3","7","6","5","4","7","1") = "6"
    & skf21("5","3","7","6","5","5","1","1") = "6"
    & skf21("5","3","7","6","5","5","2","1") = "6"
    & skf21("5","3","7","6","5","5","3","1") = "6"
    & skf21("5","3","7","6","5","5","4","1") = "6"
    & skf21("5","3","7","6","5","5","5","1") = "6"
    & skf21("5","3","7","6","5","5","6","1") = "6"
    & skf21("5","3","7","6","5","5","7","1") = "6"
    & skf21("5","3","7","6","5","6","1","1") = "6"
    & skf21("5","3","7","6","5","6","2","1") = "6"
    & skf21("5","3","7","6","5","6","3","1") = "6"
    & skf21("5","3","7","6","5","6","4","1") = "6"
    & skf21("5","3","7","6","5","6","5","1") = "6"
    & skf21("5","3","7","6","5","6","6","1") = "6"
    & skf21("5","3","7","6","5","6","7","1") = "6"
    & skf21("5","3","7","6","5","7","1","1") = "6"
    & skf21("5","3","7","6","5","7","2","1") = "6"
    & skf21("5","3","7","6","5","7","3","1") = "6"
    & skf21("5","3","7","6","5","7","4","1") = "6"
    & skf21("5","3","7","6","5","7","5","1") = "6"
    & skf21("5","3","7","6","5","7","6","1") = "6"
    & skf21("5","3","7","6","5","7","7","1") = "6"
    & skf21("5","3","7","6","6","1","1","1") = "6"
    & skf21("5","3","7","6","6","1","2","1") = "6"
    & skf21("5","3","7","6","6","1","3","1") = "6"
    & skf21("5","3","7","6","6","1","4","1") = "6"
    & skf21("5","3","7","6","6","1","5","1") = "6"
    & skf21("5","3","7","6","6","1","6","1") = "6"
    & skf21("5","3","7","6","6","1","7","1") = "6"
    & skf21("5","3","7","6","6","2","1","1") = "6"
    & skf21("5","3","7","6","6","2","2","1") = "6"
    & skf21("5","3","7","6","6","2","3","1") = "6"
    & skf21("5","3","7","6","6","2","4","1") = "6"
    & skf21("5","3","7","6","6","2","5","1") = "6"
    & skf21("5","3","7","6","6","2","6","1") = "6"
    & skf21("5","3","7","6","6","2","7","1") = "6"
    & skf21("5","3","7","6","6","3","1","1") = "6"
    & skf21("5","3","7","6","6","3","2","1") = "6"
    & skf21("5","3","7","6","6","3","3","1") = "6"
    & skf21("5","3","7","6","6","3","4","1") = "6"
    & skf21("5","3","7","6","6","3","5","1") = "6"
    & skf21("5","3","7","6","6","3","6","1") = "6"
    & skf21("5","3","7","6","6","3","7","1") = "6"
    & skf21("5","3","7","6","6","4","1","1") = "6"
    & skf21("5","3","7","6","6","4","2","1") = "6"
    & skf21("5","3","7","6","6","4","3","1") = "6"
    & skf21("5","3","7","6","6","4","4","1") = "6"
    & skf21("5","3","7","6","6","4","5","1") = "6"
    & skf21("5","3","7","6","6","4","6","1") = "6"
    & skf21("5","3","7","6","6","4","7","1") = "6"
    & skf21("5","3","7","6","6","5","1","1") = "6"
    & skf21("5","3","7","6","6","5","2","1") = "6"
    & skf21("5","3","7","6","6","5","3","1") = "6"
    & skf21("5","3","7","6","6","5","4","1") = "6"
    & skf21("5","3","7","6","6","5","5","1") = "6"
    & skf21("5","3","7","6","6","5","6","1") = "6"
    & skf21("5","3","7","6","6","5","7","1") = "6"
    & skf21("5","3","7","6","6","6","1","1") = "6"
    & skf21("5","3","7","6","6","6","2","1") = "6"
    & skf21("5","3","7","6","6","6","3","1") = "6"
    & skf21("5","3","7","6","6","6","4","1") = "6"
    & skf21("5","3","7","6","6","6","5","1") = "6"
    & skf21("5","3","7","6","6","6","6","1") = "6"
    & skf21("5","3","7","6","6","6","7","1") = "6"
    & skf21("5","3","7","6","6","7","1","1") = "6"
    & skf21("5","3","7","6","6","7","2","1") = "6"
    & skf21("5","3","7","6","6","7","3","1") = "6"
    & skf21("5","3","7","6","6","7","4","1") = "6"
    & skf21("5","3","7","6","6","7","5","1") = "6"
    & skf21("5","3","7","6","6","7","6","1") = "6"
    & skf21("5","3","7","6","6","7","7","1") = "6"
    & skf21("5","3","7","6","7","1","1","1") = "6"
    & skf21("5","3","7","6","7","1","2","1") = "6"
    & skf21("5","3","7","6","7","1","3","1") = "6"
    & skf21("5","3","7","6","7","1","4","1") = "6"
    & skf21("5","3","7","6","7","1","5","1") = "6"
    & skf21("5","3","7","6","7","1","6","1") = "6"
    & skf21("5","3","7","6","7","1","7","1") = "6"
    & skf21("5","3","7","6","7","2","1","1") = "6"
    & skf21("5","3","7","6","7","2","2","1") = "6"
    & skf21("5","3","7","6","7","2","3","1") = "6"
    & skf21("5","3","7","6","7","2","4","1") = "6"
    & skf21("5","3","7","6","7","2","5","1") = "6"
    & skf21("5","3","7","6","7","2","6","1") = "6"
    & skf21("5","3","7","6","7","2","7","1") = "6"
    & skf21("5","3","7","6","7","3","1","1") = "6"
    & skf21("5","3","7","6","7","3","2","1") = "6"
    & skf21("5","3","7","6","7","3","3","1") = "6"
    & skf21("5","3","7","6","7","3","4","1") = "6"
    & skf21("5","3","7","6","7","3","5","1") = "6"
    & skf21("5","3","7","6","7","3","6","1") = "6"
    & skf21("5","3","7","6","7","3","7","1") = "6"
    & skf21("5","3","7","6","7","4","1","1") = "6"
    & skf21("5","3","7","6","7","4","2","1") = "6"
    & skf21("5","3","7","6","7","4","3","1") = "6"
    & skf21("5","3","7","6","7","4","4","1") = "6"
    & skf21("5","3","7","6","7","4","5","1") = "6"
    & skf21("5","3","7","6","7","4","6","1") = "6"
    & skf21("5","3","7","6","7","4","7","1") = "6"
    & skf21("5","3","7","6","7","5","1","1") = "6"
    & skf21("5","3","7","6","7","5","2","1") = "6"
    & skf21("5","3","7","6","7","5","3","1") = "6"
    & skf21("5","3","7","6","7","5","4","1") = "6"
    & skf21("5","3","7","6","7","5","5","1") = "6"
    & skf21("5","3","7","6","7","5","6","1") = "6"
    & skf21("5","3","7","6","7","5","7","1") = "6"
    & skf21("5","3","7","6","7","6","1","1") = "6"
    & skf21("5","3","7","6","7","6","2","1") = "6"
    & skf21("5","3","7","6","7","6","3","1") = "6"
    & skf21("5","3","7","6","7","6","4","1") = "6"
    & skf21("5","3","7","6","7","6","5","1") = "6"
    & skf21("5","3","7","6","7","6","6","1") = "6"
    & skf21("5","3","7","6","7","6","7","1") = "6"
    & skf21("5","3","7","6","7","7","1","1") = "6"
    & skf21("5","3","7","6","7","7","2","1") = "6"
    & skf21("5","3","7","6","7","7","3","1") = "6"
    & skf21("5","3","7","6","7","7","4","1") = "6"
    & skf21("5","3","7","6","7","7","5","1") = "6"
    & skf21("5","3","7","6","7","7","6","1") = "6"
    & skf21("5","3","7","6","7","7","7","1") = "6"
    & skf21("5","3","7","7","1","1","1","1") = "6"
    & skf21("5","3","7","7","1","1","2","1") = "6"
    & skf21("5","3","7","7","1","1","3","1") = "6"
    & skf21("5","3","7","7","1","1","4","1") = "6"
    & skf21("5","3","7","7","1","1","5","1") = "6"
    & skf21("5","3","7","7","1","1","6","1") = "6"
    & skf21("5","3","7","7","1","1","7","1") = "6"
    & skf21("5","3","7","7","1","2","1","1") = "6"
    & skf21("5","3","7","7","1","2","2","1") = "6"
    & skf21("5","3","7","7","1","2","3","1") = "6"
    & skf21("5","3","7","7","1","2","4","1") = "6"
    & skf21("5","3","7","7","1","2","5","1") = "6"
    & skf21("5","3","7","7","1","2","6","1") = "6"
    & skf21("5","3","7","7","1","2","7","1") = "6"
    & skf21("5","3","7","7","1","3","1","1") = "6"
    & skf21("5","3","7","7","1","3","2","1") = "6"
    & skf21("5","3","7","7","1","3","3","1") = "6"
    & skf21("5","3","7","7","1","3","4","1") = "6"
    & skf21("5","3","7","7","1","3","5","1") = "6"
    & skf21("5","3","7","7","1","3","6","1") = "6"
    & skf21("5","3","7","7","1","3","7","1") = "6"
    & skf21("5","3","7","7","1","4","1","1") = "6"
    & skf21("5","3","7","7","1","4","2","1") = "6"
    & skf21("5","3","7","7","1","4","3","1") = "6"
    & skf21("5","3","7","7","1","4","4","1") = "6"
    & skf21("5","3","7","7","1","4","5","1") = "6"
    & skf21("5","3","7","7","1","4","6","1") = "6"
    & skf21("5","3","7","7","1","4","7","1") = "6"
    & skf21("5","3","7","7","1","5","1","1") = "6"
    & skf21("5","3","7","7","1","5","2","1") = "6"
    & skf21("5","3","7","7","1","5","3","1") = "6"
    & skf21("5","3","7","7","1","5","4","1") = "6"
    & skf21("5","3","7","7","1","5","5","1") = "6"
    & skf21("5","3","7","7","1","5","6","1") = "6"
    & skf21("5","3","7","7","1","5","7","1") = "6"
    & skf21("5","3","7","7","1","6","1","1") = "6"
    & skf21("5","3","7","7","1","6","2","1") = "6"
    & skf21("5","3","7","7","1","6","3","1") = "6"
    & skf21("5","3","7","7","1","6","4","1") = "6"
    & skf21("5","3","7","7","1","6","5","1") = "6"
    & skf21("5","3","7","7","1","6","6","1") = "6"
    & skf21("5","3","7","7","1","6","7","1") = "6"
    & skf21("5","3","7","7","1","7","1","1") = "6"
    & skf21("5","3","7","7","1","7","2","1") = "6"
    & skf21("5","3","7","7","1","7","3","1") = "6"
    & skf21("5","3","7","7","1","7","4","1") = "6"
    & skf21("5","3","7","7","1","7","5","1") = "6"
    & skf21("5","3","7","7","1","7","6","1") = "6"
    & skf21("5","3","7","7","1","7","7","1") = "6"
    & skf21("5","3","7","7","2","1","1","1") = "6"
    & skf21("5","3","7","7","2","1","2","1") = "6"
    & skf21("5","3","7","7","2","1","3","1") = "6"
    & skf21("5","3","7","7","2","1","4","1") = "6"
    & skf21("5","3","7","7","2","1","5","1") = "6"
    & skf21("5","3","7","7","2","1","6","1") = "6"
    & skf21("5","3","7","7","2","1","7","1") = "6"
    & skf21("5","3","7","7","2","2","1","1") = "6"
    & skf21("5","3","7","7","2","2","2","1") = "6"
    & skf21("5","3","7","7","2","2","3","1") = "6"
    & skf21("5","3","7","7","2","2","4","1") = "6"
    & skf21("5","3","7","7","2","2","5","1") = "6"
    & skf21("5","3","7","7","2","2","6","1") = "6"
    & skf21("5","3","7","7","2","2","7","1") = "6"
    & skf21("5","3","7","7","2","3","1","1") = "6"
    & skf21("5","3","7","7","2","3","2","1") = "6"
    & skf21("5","3","7","7","2","3","3","1") = "6"
    & skf21("5","3","7","7","2","3","4","1") = "6"
    & skf21("5","3","7","7","2","3","5","1") = "6"
    & skf21("5","3","7","7","2","3","6","1") = "6"
    & skf21("5","3","7","7","2","3","7","1") = "6"
    & skf21("5","3","7","7","2","4","1","1") = "6"
    & skf21("5","3","7","7","2","4","2","1") = "6"
    & skf21("5","3","7","7","2","4","3","1") = "6"
    & skf21("5","3","7","7","2","4","4","1") = "6"
    & skf21("5","3","7","7","2","4","5","1") = "6"
    & skf21("5","3","7","7","2","4","6","1") = "6"
    & skf21("5","3","7","7","2","4","7","1") = "6"
    & skf21("5","3","7","7","2","5","1","1") = "6"
    & skf21("5","3","7","7","2","5","2","1") = "6"
    & skf21("5","3","7","7","2","5","3","1") = "6"
    & skf21("5","3","7","7","2","5","4","1") = "6"
    & skf21("5","3","7","7","2","5","5","1") = "6"
    & skf21("5","3","7","7","2","5","6","1") = "6"
    & skf21("5","3","7","7","2","5","7","1") = "6"
    & skf21("5","3","7","7","2","6","1","1") = "6"
    & skf21("5","3","7","7","2","6","2","1") = "6"
    & skf21("5","3","7","7","2","6","3","1") = "6"
    & skf21("5","3","7","7","2","6","4","1") = "6"
    & skf21("5","3","7","7","2","6","5","1") = "6"
    & skf21("5","3","7","7","2","6","6","1") = "6"
    & skf21("5","3","7","7","2","6","7","1") = "6"
    & skf21("5","3","7","7","2","7","1","1") = "6"
    & skf21("5","3","7","7","2","7","2","1") = "6"
    & skf21("5","3","7","7","2","7","3","1") = "6"
    & skf21("5","3","7","7","2","7","4","1") = "6"
    & skf21("5","3","7","7","2","7","5","1") = "6"
    & skf21("5","3","7","7","2","7","6","1") = "6"
    & skf21("5","3","7","7","2","7","7","1") = "6"
    & skf21("5","3","7","7","3","1","1","1") = "6"
    & skf21("5","3","7","7","3","1","2","1") = "6"
    & skf21("5","3","7","7","3","1","3","1") = "6"
    & skf21("5","3","7","7","3","1","4","1") = "6"
    & skf21("5","3","7","7","3","1","5","1") = "6"
    & skf21("5","3","7","7","3","1","6","1") = "6"
    & skf21("5","3","7","7","3","1","7","1") = "6"
    & skf21("5","3","7","7","3","2","1","1") = "6"
    & skf21("5","3","7","7","3","2","2","1") = "6"
    & skf21("5","3","7","7","3","2","3","1") = "6"
    & skf21("5","3","7","7","3","2","4","1") = "6"
    & skf21("5","3","7","7","3","2","5","1") = "6"
    & skf21("5","3","7","7","3","2","6","1") = "6"
    & skf21("5","3","7","7","3","2","7","1") = "6"
    & skf21("5","3","7","7","3","3","1","1") = "6"
    & skf21("5","3","7","7","3","3","2","1") = "6"
    & skf21("5","3","7","7","3","3","3","1") = "6"
    & skf21("5","3","7","7","3","3","4","1") = "6"
    & skf21("5","3","7","7","3","3","5","1") = "6"
    & skf21("5","3","7","7","3","3","6","1") = "6"
    & skf21("5","3","7","7","3","3","7","1") = "6"
    & skf21("5","3","7","7","3","4","1","1") = "6"
    & skf21("5","3","7","7","3","4","2","1") = "6"
    & skf21("5","3","7","7","3","4","3","1") = "6"
    & skf21("5","3","7","7","3","4","4","1") = "6"
    & skf21("5","3","7","7","3","4","5","1") = "6"
    & skf21("5","3","7","7","3","4","6","1") = "6"
    & skf21("5","3","7","7","3","4","7","1") = "6"
    & skf21("5","3","7","7","3","5","1","1") = "6"
    & skf21("5","3","7","7","3","5","2","1") = "6"
    & skf21("5","3","7","7","3","5","3","1") = "6"
    & skf21("5","3","7","7","3","5","4","1") = "6"
    & skf21("5","3","7","7","3","5","5","1") = "6"
    & skf21("5","3","7","7","3","5","6","1") = "6"
    & skf21("5","3","7","7","3","5","7","1") = "6"
    & skf21("5","3","7","7","3","6","1","1") = "6"
    & skf21("5","3","7","7","3","6","2","1") = "6"
    & skf21("5","3","7","7","3","6","3","1") = "6"
    & skf21("5","3","7","7","3","6","4","1") = "6"
    & skf21("5","3","7","7","3","6","5","1") = "6"
    & skf21("5","3","7","7","3","6","6","1") = "6"
    & skf21("5","3","7","7","3","6","7","1") = "6"
    & skf21("5","3","7","7","3","7","1","1") = "6"
    & skf21("5","3","7","7","3","7","2","1") = "6"
    & skf21("5","3","7","7","3","7","3","1") = "6"
    & skf21("5","3","7","7","3","7","4","1") = "6"
    & skf21("5","3","7","7","3","7","5","1") = "6"
    & skf21("5","3","7","7","3","7","6","1") = "6"
    & skf21("5","3","7","7","3","7","7","1") = "6"
    & skf21("5","3","7","7","4","1","1","1") = "6"
    & skf21("5","3","7","7","4","1","2","1") = "6"
    & skf21("5","3","7","7","4","1","3","1") = "6"
    & skf21("5","3","7","7","4","1","4","1") = "6"
    & skf21("5","3","7","7","4","1","5","1") = "6"
    & skf21("5","3","7","7","4","1","6","1") = "6"
    & skf21("5","3","7","7","4","1","7","1") = "6"
    & skf21("5","3","7","7","4","2","1","1") = "6"
    & skf21("5","3","7","7","4","2","2","1") = "6"
    & skf21("5","3","7","7","4","2","3","1") = "6"
    & skf21("5","3","7","7","4","2","4","1") = "6"
    & skf21("5","3","7","7","4","2","5","1") = "6"
    & skf21("5","3","7","7","4","2","6","1") = "6"
    & skf21("5","3","7","7","4","2","7","1") = "6"
    & skf21("5","3","7","7","4","3","1","1") = "6"
    & skf21("5","3","7","7","4","3","2","1") = "6"
    & skf21("5","3","7","7","4","3","3","1") = "6"
    & skf21("5","3","7","7","4","3","4","1") = "6"
    & skf21("5","3","7","7","4","3","5","1") = "6"
    & skf21("5","3","7","7","4","3","6","1") = "6"
    & skf21("5","3","7","7","4","3","7","1") = "6"
    & skf21("5","3","7","7","4","4","1","1") = "6"
    & skf21("5","3","7","7","4","4","2","1") = "6"
    & skf21("5","3","7","7","4","4","3","1") = "6"
    & skf21("5","3","7","7","4","4","4","1") = "6"
    & skf21("5","3","7","7","4","4","5","1") = "6"
    & skf21("5","3","7","7","4","4","6","1") = "6"
    & skf21("5","3","7","7","4","4","7","1") = "6"
    & skf21("5","3","7","7","4","5","1","1") = "6"
    & skf21("5","3","7","7","4","5","2","1") = "6"
    & skf21("5","3","7","7","4","5","3","1") = "6"
    & skf21("5","3","7","7","4","5","4","1") = "6"
    & skf21("5","3","7","7","4","5","5","1") = "6"
    & skf21("5","3","7","7","4","5","6","1") = "6"
    & skf21("5","3","7","7","4","5","7","1") = "6"
    & skf21("5","3","7","7","4","6","1","1") = "6"
    & skf21("5","3","7","7","4","6","2","1") = "6"
    & skf21("5","3","7","7","4","6","3","1") = "6"
    & skf21("5","3","7","7","4","6","4","1") = "6"
    & skf21("5","3","7","7","4","6","5","1") = "6"
    & skf21("5","3","7","7","4","6","6","1") = "6"
    & skf21("5","3","7","7","4","6","7","1") = "6"
    & skf21("5","3","7","7","4","7","1","1") = "6"
    & skf21("5","3","7","7","4","7","2","1") = "6"
    & skf21("5","3","7","7","4","7","3","1") = "6"
    & skf21("5","3","7","7","4","7","4","1") = "6"
    & skf21("5","3","7","7","4","7","5","1") = "6"
    & skf21("5","3","7","7","4","7","6","1") = "6"
    & skf21("5","3","7","7","4","7","7","1") = "6"
    & skf21("5","3","7","7","5","1","1","1") = "6"
    & skf21("5","3","7","7","5","1","2","1") = "6"
    & skf21("5","3","7","7","5","1","3","1") = "6"
    & skf21("5","3","7","7","5","1","4","1") = "6"
    & skf21("5","3","7","7","5","1","5","1") = "6"
    & skf21("5","3","7","7","5","1","6","1") = "6"
    & skf21("5","3","7","7","5","1","7","1") = "6"
    & skf21("5","3","7","7","5","2","1","1") = "6"
    & skf21("5","3","7","7","5","2","2","1") = "6"
    & skf21("5","3","7","7","5","2","3","1") = "6"
    & skf21("5","3","7","7","5","2","4","1") = "6"
    & skf21("5","3","7","7","5","2","5","1") = "6"
    & skf21("5","3","7","7","5","2","6","1") = "6"
    & skf21("5","3","7","7","5","2","7","1") = "6"
    & skf21("5","3","7","7","5","3","1","1") = "6"
    & skf21("5","3","7","7","5","3","2","1") = "6"
    & skf21("5","3","7","7","5","3","3","1") = "6"
    & skf21("5","3","7","7","5","3","4","1") = "6"
    & skf21("5","3","7","7","5","3","5","1") = "6"
    & skf21("5","3","7","7","5","3","6","1") = "6"
    & skf21("5","3","7","7","5","3","7","1") = "6"
    & skf21("5","3","7","7","5","4","1","1") = "6"
    & skf21("5","3","7","7","5","4","2","1") = "6"
    & skf21("5","3","7","7","5","4","3","1") = "6"
    & skf21("5","3","7","7","5","4","4","1") = "6"
    & skf21("5","3","7","7","5","4","5","1") = "6"
    & skf21("5","3","7","7","5","4","6","1") = "6"
    & skf21("5","3","7","7","5","4","7","1") = "6"
    & skf21("5","3","7","7","5","5","1","1") = "6"
    & skf21("5","3","7","7","5","5","2","1") = "6"
    & skf21("5","3","7","7","5","5","3","1") = "6"
    & skf21("5","3","7","7","5","5","4","1") = "6"
    & skf21("5","3","7","7","5","5","5","1") = "6"
    & skf21("5","3","7","7","5","5","6","1") = "6"
    & skf21("5","3","7","7","5","5","7","1") = "6"
    & skf21("5","3","7","7","5","6","1","1") = "6"
    & skf21("5","3","7","7","5","6","2","1") = "6"
    & skf21("5","3","7","7","5","6","3","1") = "6"
    & skf21("5","3","7","7","5","6","4","1") = "6"
    & skf21("5","3","7","7","5","6","5","1") = "6"
    & skf21("5","3","7","7","5","6","6","1") = "6"
    & skf21("5","3","7","7","5","6","7","1") = "6"
    & skf21("5","3","7","7","5","7","1","1") = "6"
    & skf21("5","3","7","7","5","7","2","1") = "6"
    & skf21("5","3","7","7","5","7","3","1") = "6"
    & skf21("5","3","7","7","5","7","4","1") = "6"
    & skf21("5","3","7","7","5","7","5","1") = "6"
    & skf21("5","3","7","7","5","7","6","1") = "6"
    & skf21("5","3","7","7","5","7","7","1") = "6"
    & skf21("5","3","7","7","6","1","1","1") = "6"
    & skf21("5","3","7","7","6","1","2","1") = "6"
    & skf21("5","3","7","7","6","1","3","1") = "6"
    & skf21("5","3","7","7","6","1","4","1") = "6"
    & skf21("5","3","7","7","6","1","5","1") = "6"
    & skf21("5","3","7","7","6","1","6","1") = "6"
    & skf21("5","3","7","7","6","1","7","1") = "6"
    & skf21("5","3","7","7","6","2","1","1") = "6"
    & skf21("5","3","7","7","6","2","2","1") = "6"
    & skf21("5","3","7","7","6","2","3","1") = "6"
    & skf21("5","3","7","7","6","2","4","1") = "6"
    & skf21("5","3","7","7","6","2","5","1") = "6"
    & skf21("5","3","7","7","6","2","6","1") = "6"
    & skf21("5","3","7","7","6","2","7","1") = "6"
    & skf21("5","3","7","7","6","3","1","1") = "6"
    & skf21("5","3","7","7","6","3","2","1") = "6"
    & skf21("5","3","7","7","6","3","3","1") = "6"
    & skf21("5","3","7","7","6","3","4","1") = "6"
    & skf21("5","3","7","7","6","3","5","1") = "6"
    & skf21("5","3","7","7","6","3","6","1") = "6"
    & skf21("5","3","7","7","6","3","7","1") = "6"
    & skf21("5","3","7","7","6","4","1","1") = "6"
    & skf21("5","3","7","7","6","4","2","1") = "6"
    & skf21("5","3","7","7","6","4","3","1") = "6"
    & skf21("5","3","7","7","6","4","4","1") = "6"
    & skf21("5","3","7","7","6","4","5","1") = "6"
    & skf21("5","3","7","7","6","4","6","1") = "6"
    & skf21("5","3","7","7","6","4","7","1") = "6"
    & skf21("5","3","7","7","6","5","1","1") = "6"
    & skf21("5","3","7","7","6","5","2","1") = "6"
    & skf21("5","3","7","7","6","5","3","1") = "6"
    & skf21("5","3","7","7","6","5","4","1") = "6"
    & skf21("5","3","7","7","6","5","5","1") = "6"
    & skf21("5","3","7","7","6","5","6","1") = "6"
    & skf21("5","3","7","7","6","5","7","1") = "6"
    & skf21("5","3","7","7","6","6","1","1") = "6"
    & skf21("5","3","7","7","6","6","2","1") = "6"
    & skf21("5","3","7","7","6","6","3","1") = "6"
    & skf21("5","3","7","7","6","6","4","1") = "6"
    & skf21("5","3","7","7","6","6","5","1") = "6"
    & skf21("5","3","7","7","6","6","6","1") = "6"
    & skf21("5","3","7","7","6","6","7","1") = "6"
    & skf21("5","3","7","7","6","7","1","1") = "6"
    & skf21("5","3","7","7","6","7","2","1") = "6"
    & skf21("5","3","7","7","6","7","3","1") = "6"
    & skf21("5","3","7","7","6","7","4","1") = "6"
    & skf21("5","3","7","7","6","7","5","1") = "6"
    & skf21("5","3","7","7","6","7","6","1") = "6"
    & skf21("5","3","7","7","6","7","7","1") = "6"
    & skf21("5","3","7","7","7","1","1","1") = "6"
    & skf21("5","3","7","7","7","1","2","1") = "6"
    & skf21("5","3","7","7","7","1","3","1") = "6"
    & skf21("5","3","7","7","7","1","4","1") = "6"
    & skf21("5","3","7","7","7","1","5","1") = "6"
    & skf21("5","3","7","7","7","1","6","1") = "6"
    & skf21("5","3","7","7","7","1","7","1") = "6"
    & skf21("5","3","7","7","7","2","1","1") = "6"
    & skf21("5","3","7","7","7","2","2","1") = "6"
    & skf21("5","3","7","7","7","2","3","1") = "6"
    & skf21("5","3","7","7","7","2","4","1") = "6"
    & skf21("5","3","7","7","7","2","5","1") = "6"
    & skf21("5","3","7","7","7","2","6","1") = "6"
    & skf21("5","3","7","7","7","2","7","1") = "6"
    & skf21("5","3","7","7","7","3","1","1") = "6"
    & skf21("5","3","7","7","7","3","2","1") = "6"
    & skf21("5","3","7","7","7","3","3","1") = "6"
    & skf21("5","3","7","7","7","3","4","1") = "6"
    & skf21("5","3","7","7","7","3","5","1") = "6"
    & skf21("5","3","7","7","7","3","6","1") = "6"
    & skf21("5","3","7","7","7","3","7","1") = "6"
    & skf21("5","3","7","7","7","4","1","1") = "6"
    & skf21("5","3","7","7","7","4","2","1") = "6"
    & skf21("5","3","7","7","7","4","3","1") = "6"
    & skf21("5","3","7","7","7","4","4","1") = "6"
    & skf21("5","3","7","7","7","4","5","1") = "6"
    & skf21("5","3","7","7","7","4","6","1") = "6"
    & skf21("5","3","7","7","7","4","7","1") = "6"
    & skf21("5","3","7","7","7","5","1","1") = "6"
    & skf21("5","3","7","7","7","5","2","1") = "6"
    & skf21("5","3","7","7","7","5","3","1") = "6"
    & skf21("5","3","7","7","7","5","4","1") = "6"
    & skf21("5","3","7","7","7","5","5","1") = "6"
    & skf21("5","3","7","7","7","5","6","1") = "6"
    & skf21("5","3","7","7","7","5","7","1") = "6"
    & skf21("5","3","7","7","7","6","1","1") = "6"
    & skf21("5","3","7","7","7","6","2","1") = "6"
    & skf21("5","3","7","7","7","6","3","1") = "6"
    & skf21("5","3","7","7","7","6","4","1") = "6"
    & skf21("5","3","7","7","7","6","5","1") = "6"
    & skf21("5","3","7","7","7","6","6","1") = "6"
    & skf21("5","3","7","7","7","6","7","1") = "6"
    & skf21("5","3","7","7","7","7","1","1") = "6"
    & skf21("5","3","7","7","7","7","2","1") = "6"
    & skf21("5","3","7","7","7","7","3","1") = "6"
    & skf21("5","3","7","7","7","7","4","1") = "6"
    & skf21("5","3","7","7","7","7","5","1") = "6"
    & skf21("5","3","7","7","7","7","6","1") = "6"
    & skf21("5","3","7","7","7","7","7","1") = "6"
    & skf21("5","4","1","1","1","1","1","1") = "4"
    & skf21("5","4","1","1","1","1","2","1") = "4"
    & skf21("5","4","1","1","1","1","3","1") = "4"
    & skf21("5","4","1","1","1","1","4","1") = "4"
    & skf21("5","4","1","1","1","1","5","1") = "4"
    & skf21("5","4","1","1","1","1","6","1") = "5"
    & skf21("5","4","1","1","1","1","7","1") = "6"
    & skf21("5","4","1","1","1","2","1","1") = "4"
    & skf21("5","4","1","1","1","2","2","1") = "4"
    & skf21("5","4","1","1","1","2","3","1") = "4"
    & skf21("5","4","1","1","1","2","4","1") = "4"
    & skf21("5","4","1","1","1","2","5","1") = "4"
    & skf21("5","4","1","1","1","2","6","1") = "5"
    & skf21("5","4","1","1","1","2","7","1") = "6"
    & skf21("5","4","1","1","1","3","1","1") = "4"
    & skf21("5","4","1","1","1","3","2","1") = "4"
    & skf21("5","4","1","1","1","3","3","1") = "4"
    & skf21("5","4","1","1","1","3","4","1") = "4"
    & skf21("5","4","1","1","1","3","5","1") = "4"
    & skf21("5","4","1","1","1","3","6","1") = "5"
    & skf21("5","4","1","1","1","3","7","1") = "6"
    & skf21("5","4","1","1","1","4","1","1") = "4"
    & skf21("5","4","1","1","1","4","2","1") = "4"
    & skf21("5","4","1","1","1","4","3","1") = "4"
    & skf21("5","4","1","1","1","4","4","1") = "4"
    & skf21("5","4","1","1","1","4","5","1") = "4"
    & skf21("5","4","1","1","1","4","6","1") = "5"
    & skf21("5","4","1","1","1","4","7","1") = "6"
    & skf21("5","4","1","1","1","5","1","1") = "4"
    & skf21("5","4","1","1","1","5","2","1") = "4"
    & skf21("5","4","1","1","1","5","3","1") = "4"
    & skf21("5","4","1","1","1","5","4","1") = "4"
    & skf21("5","4","1","1","1","5","5","1") = "4"
    & skf21("5","4","1","1","1","5","6","1") = "5"
    & skf21("5","4","1","1","1","5","7","1") = "6"
    & skf21("5","4","1","1","1","6","1","1") = "5"
    & skf21("5","4","1","1","1","6","2","1") = "5"
    & skf21("5","4","1","1","1","6","3","1") = "5"
    & skf21("5","4","1","1","1","6","4","1") = "5"
    & skf21("5","4","1","1","1","6","5","1") = "5"
    & skf21("5","4","1","1","1","6","6","1") = "5"
    & skf21("5","4","1","1","1","6","7","1") = "6"
    & skf21("5","4","1","1","1","7","1","1") = "6"
    & skf21("5","4","1","1","1","7","2","1") = "6"
    & skf21("5","4","1","1","1","7","3","1") = "6"
    & skf21("5","4","1","1","1","7","4","1") = "6"
    & skf21("5","4","1","1","1","7","5","1") = "6"
    & skf21("5","4","1","1","1","7","6","1") = "6"
    & skf21("5","4","1","1","1","7","7","1") = "6"
    & skf21("5","4","1","1","2","1","1","1") = "4"
    & skf21("5","4","1","1","2","1","2","1") = "4"
    & skf21("5","4","1","1","2","1","3","1") = "4"
    & skf21("5","4","1","1","2","1","4","1") = "4"
    & skf21("5","4","1","1","2","1","5","1") = "4"
    & skf21("5","4","1","1","2","1","6","1") = "5"
    & skf21("5","4","1","1","2","1","7","1") = "6"
    & skf21("5","4","1","1","2","2","1","1") = "4"
    & skf21("5","4","1","1","2","2","2","1") = "4"
    & skf21("5","4","1","1","2","2","3","1") = "4"
    & skf21("5","4","1","1","2","2","4","1") = "4"
    & skf21("5","4","1","1","2","2","5","1") = "4"
    & skf21("5","4","1","1","2","2","6","1") = "5"
    & skf21("5","4","1","1","2","2","7","1") = "6"
    & skf21("5","4","1","1","2","3","1","1") = "4"
    & skf21("5","4","1","1","2","3","2","1") = "4"
    & skf21("5","4","1","1","2","3","3","1") = "4"
    & skf21("5","4","1","1","2","3","4","1") = "4"
    & skf21("5","4","1","1","2","3","5","1") = "4"
    & skf21("5","4","1","1","2","3","6","1") = "5"
    & skf21("5","4","1","1","2","3","7","1") = "6"
    & skf21("5","4","1","1","2","4","1","1") = "4"
    & skf21("5","4","1","1","2","4","2","1") = "4"
    & skf21("5","4","1","1","2","4","3","1") = "4"
    & skf21("5","4","1","1","2","4","4","1") = "4"
    & skf21("5","4","1","1","2","4","5","1") = "4"
    & skf21("5","4","1","1","2","4","6","1") = "5"
    & skf21("5","4","1","1","2","4","7","1") = "6"
    & skf21("5","4","1","1","2","5","1","1") = "4"
    & skf21("5","4","1","1","2","5","2","1") = "4"
    & skf21("5","4","1","1","2","5","3","1") = "4"
    & skf21("5","4","1","1","2","5","4","1") = "4"
    & skf21("5","4","1","1","2","5","5","1") = "4"
    & skf21("5","4","1","1","2","5","6","1") = "5"
    & skf21("5","4","1","1","2","5","7","1") = "6"
    & skf21("5","4","1","1","2","6","1","1") = "5"
    & skf21("5","4","1","1","2","6","2","1") = "5"
    & skf21("5","4","1","1","2","6","3","1") = "5"
    & skf21("5","4","1","1","2","6","4","1") = "5"
    & skf21("5","4","1","1","2","6","5","1") = "5"
    & skf21("5","4","1","1","2","6","6","1") = "5"
    & skf21("5","4","1","1","2","6","7","1") = "6"
    & skf21("5","4","1","1","2","7","1","1") = "6"
    & skf21("5","4","1","1","2","7","2","1") = "6"
    & skf21("5","4","1","1","2","7","3","1") = "6"
    & skf21("5","4","1","1","2","7","4","1") = "6"
    & skf21("5","4","1","1","2","7","5","1") = "6"
    & skf21("5","4","1","1","2","7","6","1") = "6"
    & skf21("5","4","1","1","2","7","7","1") = "6"
    & skf21("5","4","1","1","3","1","1","1") = "4"
    & skf21("5","4","1","1","3","1","2","1") = "4"
    & skf21("5","4","1","1","3","1","3","1") = "4"
    & skf21("5","4","1","1","3","1","4","1") = "4"
    & skf21("5","4","1","1","3","1","5","1") = "4"
    & skf21("5","4","1","1","3","1","6","1") = "5"
    & skf21("5","4","1","1","3","1","7","1") = "6"
    & skf21("5","4","1","1","3","2","1","1") = "4"
    & skf21("5","4","1","1","3","2","2","1") = "4"
    & skf21("5","4","1","1","3","2","3","1") = "4"
    & skf21("5","4","1","1","3","2","4","1") = "4"
    & skf21("5","4","1","1","3","2","5","1") = "4"
    & skf21("5","4","1","1","3","2","6","1") = "5"
    & skf21("5","4","1","1","3","2","7","1") = "6"
    & skf21("5","4","1","1","3","3","1","1") = "4"
    & skf21("5","4","1","1","3","3","2","1") = "4"
    & skf21("5","4","1","1","3","3","3","1") = "4"
    & skf21("5","4","1","1","3","3","4","1") = "4"
    & skf21("5","4","1","1","3","3","5","1") = "4"
    & skf21("5","4","1","1","3","3","6","1") = "5"
    & skf21("5","4","1","1","3","3","7","1") = "6"
    & skf21("5","4","1","1","3","4","1","1") = "4"
    & skf21("5","4","1","1","3","4","2","1") = "4"
    & skf21("5","4","1","1","3","4","3","1") = "4"
    & skf21("5","4","1","1","3","4","4","1") = "4"
    & skf21("5","4","1","1","3","4","5","1") = "4"
    & skf21("5","4","1","1","3","4","6","1") = "5"
    & skf21("5","4","1","1","3","4","7","1") = "6"
    & skf21("5","4","1","1","3","5","1","1") = "4"
    & skf21("5","4","1","1","3","5","2","1") = "4"
    & skf21("5","4","1","1","3","5","3","1") = "4"
    & skf21("5","4","1","1","3","5","4","1") = "4"
    & skf21("5","4","1","1","3","5","5","1") = "4"
    & skf21("5","4","1","1","3","5","6","1") = "5"
    & skf21("5","4","1","1","3","5","7","1") = "6"
    & skf21("5","4","1","1","3","6","1","1") = "5"
    & skf21("5","4","1","1","3","6","2","1") = "5"
    & skf21("5","4","1","1","3","6","3","1") = "5"
    & skf21("5","4","1","1","3","6","4","1") = "5"
    & skf21("5","4","1","1","3","6","5","1") = "5"
    & skf21("5","4","1","1","3","6","6","1") = "5"
    & skf21("5","4","1","1","3","6","7","1") = "6"
    & skf21("5","4","1","1","3","7","1","1") = "6"
    & skf21("5","4","1","1","3","7","2","1") = "6"
    & skf21("5","4","1","1","3","7","3","1") = "6"
    & skf21("5","4","1","1","3","7","4","1") = "6"
    & skf21("5","4","1","1","3","7","5","1") = "6"
    & skf21("5","4","1","1","3","7","6","1") = "6"
    & skf21("5","4","1","1","3","7","7","1") = "6"
    & skf21("5","4","1","1","4","1","1","1") = "4"
    & skf21("5","4","1","1","4","1","2","1") = "4"
    & skf21("5","4","1","1","4","1","3","1") = "4"
    & skf21("5","4","1","1","4","1","4","1") = "4"
    & skf21("5","4","1","1","4","1","5","1") = "4"
    & skf21("5","4","1","1","4","1","6","1") = "5"
    & skf21("5","4","1","1","4","1","7","1") = "6"
    & skf21("5","4","1","1","4","2","1","1") = "4"
    & skf21("5","4","1","1","4","2","2","1") = "4"
    & skf21("5","4","1","1","4","2","3","1") = "4"
    & skf21("5","4","1","1","4","2","4","1") = "4"
    & skf21("5","4","1","1","4","2","5","1") = "4"
    & skf21("5","4","1","1","4","2","6","1") = "5"
    & skf21("5","4","1","1","4","2","7","1") = "6"
    & skf21("5","4","1","1","4","3","1","1") = "4"
    & skf21("5","4","1","1","4","3","2","1") = "4"
    & skf21("5","4","1","1","4","3","3","1") = "4"
    & skf21("5","4","1","1","4","3","4","1") = "4"
    & skf21("5","4","1","1","4","3","5","1") = "4"
    & skf21("5","4","1","1","4","3","6","1") = "5"
    & skf21("5","4","1","1","4","3","7","1") = "6"
    & skf21("5","4","1","1","4","4","1","1") = "4"
    & skf21("5","4","1","1","4","4","2","1") = "4"
    & skf21("5","4","1","1","4","4","3","1") = "4"
    & skf21("5","4","1","1","4","4","4","1") = "4"
    & skf21("5","4","1","1","4","4","5","1") = "4"
    & skf21("5","4","1","1","4","4","6","1") = "5"
    & skf21("5","4","1","1","4","4","7","1") = "6"
    & skf21("5","4","1","1","4","5","1","1") = "4"
    & skf21("5","4","1","1","4","5","2","1") = "4"
    & skf21("5","4","1","1","4","5","3","1") = "4"
    & skf21("5","4","1","1","4","5","4","1") = "4"
    & skf21("5","4","1","1","4","5","5","1") = "4"
    & skf21("5","4","1","1","4","5","6","1") = "5"
    & skf21("5","4","1","1","4","5","7","1") = "6"
    & skf21("5","4","1","1","4","6","1","1") = "5"
    & skf21("5","4","1","1","4","6","2","1") = "5"
    & skf21("5","4","1","1","4","6","3","1") = "5"
    & skf21("5","4","1","1","4","6","4","1") = "5"
    & skf21("5","4","1","1","4","6","5","1") = "5"
    & skf21("5","4","1","1","4","6","6","1") = "5"
    & skf21("5","4","1","1","4","6","7","1") = "6"
    & skf21("5","4","1","1","4","7","1","1") = "6"
    & skf21("5","4","1","1","4","7","2","1") = "6"
    & skf21("5","4","1","1","4","7","3","1") = "6"
    & skf21("5","4","1","1","4","7","4","1") = "6"
    & skf21("5","4","1","1","4","7","5","1") = "6"
    & skf21("5","4","1","1","4","7","6","1") = "6"
    & skf21("5","4","1","1","4","7","7","1") = "6"
    & skf21("5","4","1","1","5","1","1","1") = "4"
    & skf21("5","4","1","1","5","1","2","1") = "4"
    & skf21("5","4","1","1","5","1","3","1") = "4"
    & skf21("5","4","1","1","5","1","4","1") = "4"
    & skf21("5","4","1","1","5","1","5","1") = "4"
    & skf21("5","4","1","1","5","1","6","1") = "5"
    & skf21("5","4","1","1","5","1","7","1") = "6"
    & skf21("5","4","1","1","5","2","1","1") = "4"
    & skf21("5","4","1","1","5","2","2","1") = "4"
    & skf21("5","4","1","1","5","2","3","1") = "4"
    & skf21("5","4","1","1","5","2","4","1") = "4"
    & skf21("5","4","1","1","5","2","5","1") = "4"
    & skf21("5","4","1","1","5","2","6","1") = "5"
    & skf21("5","4","1","1","5","2","7","1") = "6"
    & skf21("5","4","1","1","5","3","1","1") = "4"
    & skf21("5","4","1","1","5","3","2","1") = "4"
    & skf21("5","4","1","1","5","3","3","1") = "4"
    & skf21("5","4","1","1","5","3","4","1") = "4"
    & skf21("5","4","1","1","5","3","5","1") = "4"
    & skf21("5","4","1","1","5","3","6","1") = "5"
    & skf21("5","4","1","1","5","3","7","1") = "6"
    & skf21("5","4","1","1","5","4","1","1") = "4"
    & skf21("5","4","1","1","5","4","2","1") = "4"
    & skf21("5","4","1","1","5","4","3","1") = "4"
    & skf21("5","4","1","1","5","4","4","1") = "4"
    & skf21("5","4","1","1","5","4","5","1") = "4"
    & skf21("5","4","1","1","5","4","6","1") = "5"
    & skf21("5","4","1","1","5","4","7","1") = "6"
    & skf21("5","4","1","1","5","5","1","1") = "4"
    & skf21("5","4","1","1","5","5","2","1") = "4"
    & skf21("5","4","1","1","5","5","3","1") = "4"
    & skf21("5","4","1","1","5","5","4","1") = "4"
    & skf21("5","4","1","1","5","5","5","1") = "4"
    & skf21("5","4","1","1","5","5","6","1") = "5"
    & skf21("5","4","1","1","5","5","7","1") = "6"
    & skf21("5","4","1","1","5","6","1","1") = "5"
    & skf21("5","4","1","1","5","6","2","1") = "5"
    & skf21("5","4","1","1","5","6","3","1") = "5"
    & skf21("5","4","1","1","5","6","4","1") = "5"
    & skf21("5","4","1","1","5","6","5","1") = "5"
    & skf21("5","4","1","1","5","6","6","1") = "5"
    & skf21("5","4","1","1","5","6","7","1") = "6"
    & skf21("5","4","1","1","5","7","1","1") = "6"
    & skf21("5","4","1","1","5","7","2","1") = "6"
    & skf21("5","4","1","1","5","7","3","1") = "6"
    & skf21("5","4","1","1","5","7","4","1") = "6"
    & skf21("5","4","1","1","5","7","5","1") = "6"
    & skf21("5","4","1","1","5","7","6","1") = "6"
    & skf21("5","4","1","1","5","7","7","1") = "6"
    & skf21("5","4","1","1","6","1","1","1") = "5"
    & skf21("5","4","1","1","6","1","2","1") = "5"
    & skf21("5","4","1","1","6","1","3","1") = "5"
    & skf21("5","4","1","1","6","1","4","1") = "5"
    & skf21("5","4","1","1","6","1","5","1") = "5"
    & skf21("5","4","1","1","6","1","6","1") = "5"
    & skf21("5","4","1","1","6","1","7","1") = "6"
    & skf21("5","4","1","1","6","2","1","1") = "5"
    & skf21("5","4","1","1","6","2","2","1") = "5"
    & skf21("5","4","1","1","6","2","3","1") = "5"
    & skf21("5","4","1","1","6","2","4","1") = "5"
    & skf21("5","4","1","1","6","2","5","1") = "5"
    & skf21("5","4","1","1","6","2","6","1") = "5"
    & skf21("5","4","1","1","6","2","7","1") = "6"
    & skf21("5","4","1","1","6","3","1","1") = "5"
    & skf21("5","4","1","1","6","3","2","1") = "5"
    & skf21("5","4","1","1","6","3","3","1") = "5"
    & skf21("5","4","1","1","6","3","4","1") = "5"
    & skf21("5","4","1","1","6","3","5","1") = "5"
    & skf21("5","4","1","1","6","3","6","1") = "5"
    & skf21("5","4","1","1","6","3","7","1") = "6"
    & skf21("5","4","1","1","6","4","1","1") = "5"
    & skf21("5","4","1","1","6","4","2","1") = "5"
    & skf21("5","4","1","1","6","4","3","1") = "5"
    & skf21("5","4","1","1","6","4","4","1") = "5"
    & skf21("5","4","1","1","6","4","5","1") = "5"
    & skf21("5","4","1","1","6","4","6","1") = "5"
    & skf21("5","4","1","1","6","4","7","1") = "6"
    & skf21("5","4","1","1","6","5","1","1") = "5"
    & skf21("5","4","1","1","6","5","2","1") = "5"
    & skf21("5","4","1","1","6","5","3","1") = "5"
    & skf21("5","4","1","1","6","5","4","1") = "5"
    & skf21("5","4","1","1","6","5","5","1") = "5"
    & skf21("5","4","1","1","6","5","6","1") = "5"
    & skf21("5","4","1","1","6","5","7","1") = "6"
    & skf21("5","4","1","1","6","6","1","1") = "5"
    & skf21("5","4","1","1","6","6","2","1") = "5"
    & skf21("5","4","1","1","6","6","3","1") = "5"
    & skf21("5","4","1","1","6","6","4","1") = "5"
    & skf21("5","4","1","1","6","6","5","1") = "5"
    & skf21("5","4","1","1","6","6","6","1") = "5"
    & skf21("5","4","1","1","6","6","7","1") = "6"
    & skf21("5","4","1","1","6","7","1","1") = "6"
    & skf21("5","4","1","1","6","7","2","1") = "6"
    & skf21("5","4","1","1","6","7","3","1") = "6"
    & skf21("5","4","1","1","6","7","4","1") = "6"
    & skf21("5","4","1","1","6","7","5","1") = "6"
    & skf21("5","4","1","1","6","7","6","1") = "6"
    & skf21("5","4","1","1","6","7","7","1") = "6"
    & skf21("5","4","1","1","7","1","1","1") = "6"
    & skf21("5","4","1","1","7","1","2","1") = "6"
    & skf21("5","4","1","1","7","1","3","1") = "6"
    & skf21("5","4","1","1","7","1","4","1") = "6"
    & skf21("5","4","1","1","7","1","5","1") = "6"
    & skf21("5","4","1","1","7","1","6","1") = "6"
    & skf21("5","4","1","1","7","1","7","1") = "6"
    & skf21("5","4","1","1","7","2","1","1") = "6"
    & skf21("5","4","1","1","7","2","2","1") = "6"
    & skf21("5","4","1","1","7","2","3","1") = "6"
    & skf21("5","4","1","1","7","2","4","1") = "6"
    & skf21("5","4","1","1","7","2","5","1") = "6"
    & skf21("5","4","1","1","7","2","6","1") = "6"
    & skf21("5","4","1","1","7","2","7","1") = "6"
    & skf21("5","4","1","1","7","3","1","1") = "6"
    & skf21("5","4","1","1","7","3","2","1") = "6"
    & skf21("5","4","1","1","7","3","3","1") = "6"
    & skf21("5","4","1","1","7","3","4","1") = "6"
    & skf21("5","4","1","1","7","3","5","1") = "6"
    & skf21("5","4","1","1","7","3","6","1") = "6"
    & skf21("5","4","1","1","7","3","7","1") = "6"
    & skf21("5","4","1","1","7","4","1","1") = "6"
    & skf21("5","4","1","1","7","4","2","1") = "6"
    & skf21("5","4","1","1","7","4","3","1") = "6"
    & skf21("5","4","1","1","7","4","4","1") = "6"
    & skf21("5","4","1","1","7","4","5","1") = "6"
    & skf21("5","4","1","1","7","4","6","1") = "6"
    & skf21("5","4","1","1","7","4","7","1") = "6"
    & skf21("5","4","1","1","7","5","1","1") = "6"
    & skf21("5","4","1","1","7","5","2","1") = "6"
    & skf21("5","4","1","1","7","5","3","1") = "6"
    & skf21("5","4","1","1","7","5","4","1") = "6"
    & skf21("5","4","1","1","7","5","5","1") = "6"
    & skf21("5","4","1","1","7","5","6","1") = "6"
    & skf21("5","4","1","1","7","5","7","1") = "6"
    & skf21("5","4","1","1","7","6","1","1") = "6"
    & skf21("5","4","1","1","7","6","2","1") = "6"
    & skf21("5","4","1","1","7","6","3","1") = "6"
    & skf21("5","4","1","1","7","6","4","1") = "6"
    & skf21("5","4","1","1","7","6","5","1") = "6"
    & skf21("5","4","1","1","7","6","6","1") = "6"
    & skf21("5","4","1","1","7","6","7","1") = "6"
    & skf21("5","4","1","1","7","7","1","1") = "6"
    & skf21("5","4","1","1","7","7","2","1") = "6"
    & skf21("5","4","1","1","7","7","3","1") = "6"
    & skf21("5","4","1","1","7","7","4","1") = "6"
    & skf21("5","4","1","1","7","7","5","1") = "6"
    & skf21("5","4","1","1","7","7","6","1") = "6"
    & skf21("5","4","1","1","7","7","7","1") = "6"
    & skf21("5","4","1","2","1","1","1","1") = "4"
    & skf21("5","4","1","2","1","1","2","1") = "4"
    & skf21("5","4","1","2","1","1","3","1") = "4"
    & skf21("5","4","1","2","1","1","4","1") = "4"
    & skf21("5","4","1","2","1","1","5","1") = "4"
    & skf21("5","4","1","2","1","1","6","1") = "5"
    & skf21("5","4","1","2","1","1","7","1") = "6"
    & skf21("5","4","1","2","1","2","1","1") = "4"
    & skf21("5","4","1","2","1","2","2","1") = "4"
    & skf21("5","4","1","2","1","2","3","1") = "4"
    & skf21("5","4","1","2","1","2","4","1") = "4"
    & skf21("5","4","1","2","1","2","5","1") = "4"
    & skf21("5","4","1","2","1","2","6","1") = "5"
    & skf21("5","4","1","2","1","2","7","1") = "6"
    & skf21("5","4","1","2","1","3","1","1") = "4"
    & skf21("5","4","1","2","1","3","2","1") = "4"
    & skf21("5","4","1","2","1","3","3","1") = "4"
    & skf21("5","4","1","2","1","3","4","1") = "4"
    & skf21("5","4","1","2","1","3","5","1") = "4"
    & skf21("5","4","1","2","1","3","6","1") = "5"
    & skf21("5","4","1","2","1","3","7","1") = "6"
    & skf21("5","4","1","2","1","4","1","1") = "4"
    & skf21("5","4","1","2","1","4","2","1") = "4"
    & skf21("5","4","1","2","1","4","3","1") = "4"
    & skf21("5","4","1","2","1","4","4","1") = "4"
    & skf21("5","4","1","2","1","4","5","1") = "4"
    & skf21("5","4","1","2","1","4","6","1") = "5"
    & skf21("5","4","1","2","1","4","7","1") = "6"
    & skf21("5","4","1","2","1","5","1","1") = "4"
    & skf21("5","4","1","2","1","5","2","1") = "4"
    & skf21("5","4","1","2","1","5","3","1") = "4"
    & skf21("5","4","1","2","1","5","4","1") = "4"
    & skf21("5","4","1","2","1","5","5","1") = "4"
    & skf21("5","4","1","2","1","5","6","1") = "5"
    & skf21("5","4","1","2","1","5","7","1") = "6"
    & skf21("5","4","1","2","1","6","1","1") = "5"
    & skf21("5","4","1","2","1","6","2","1") = "5"
    & skf21("5","4","1","2","1","6","3","1") = "5"
    & skf21("5","4","1","2","1","6","4","1") = "5"
    & skf21("5","4","1","2","1","6","5","1") = "5"
    & skf21("5","4","1","2","1","6","6","1") = "5"
    & skf21("5","4","1","2","1","6","7","1") = "6"
    & skf21("5","4","1","2","1","7","1","1") = "6"
    & skf21("5","4","1","2","1","7","2","1") = "6"
    & skf21("5","4","1","2","1","7","3","1") = "6"
    & skf21("5","4","1","2","1","7","4","1") = "6"
    & skf21("5","4","1","2","1","7","5","1") = "6"
    & skf21("5","4","1","2","1","7","6","1") = "6"
    & skf21("5","4","1","2","1","7","7","1") = "6"
    & skf21("5","4","1","2","2","1","1","1") = "4"
    & skf21("5","4","1","2","2","1","2","1") = "4"
    & skf21("5","4","1","2","2","1","3","1") = "4"
    & skf21("5","4","1","2","2","1","4","1") = "4"
    & skf21("5","4","1","2","2","1","5","1") = "4"
    & skf21("5","4","1","2","2","1","6","1") = "5"
    & skf21("5","4","1","2","2","1","7","1") = "6"
    & skf21("5","4","1","2","2","2","1","1") = "4"
    & skf21("5","4","1","2","2","2","2","1") = "4"
    & skf21("5","4","1","2","2","2","3","1") = "4"
    & skf21("5","4","1","2","2","2","4","1") = "4"
    & skf21("5","4","1","2","2","2","5","1") = "4"
    & skf21("5","4","1","2","2","2","6","1") = "5"
    & skf21("5","4","1","2","2","2","7","1") = "6"
    & skf21("5","4","1","2","2","3","1","1") = "4"
    & skf21("5","4","1","2","2","3","2","1") = "4"
    & skf21("5","4","1","2","2","3","3","1") = "4"
    & skf21("5","4","1","2","2","3","4","1") = "4"
    & skf21("5","4","1","2","2","3","5","1") = "4"
    & skf21("5","4","1","2","2","3","6","1") = "5"
    & skf21("5","4","1","2","2","3","7","1") = "6"
    & skf21("5","4","1","2","2","4","1","1") = "4"
    & skf21("5","4","1","2","2","4","2","1") = "4"
    & skf21("5","4","1","2","2","4","3","1") = "4"
    & skf21("5","4","1","2","2","4","4","1") = "4"
    & skf21("5","4","1","2","2","4","5","1") = "4"
    & skf21("5","4","1","2","2","4","6","1") = "5"
    & skf21("5","4","1","2","2","4","7","1") = "6"
    & skf21("5","4","1","2","2","5","1","1") = "4"
    & skf21("5","4","1","2","2","5","2","1") = "4"
    & skf21("5","4","1","2","2","5","3","1") = "4"
    & skf21("5","4","1","2","2","5","4","1") = "4"
    & skf21("5","4","1","2","2","5","5","1") = "4"
    & skf21("5","4","1","2","2","5","6","1") = "5"
    & skf21("5","4","1","2","2","5","7","1") = "6"
    & skf21("5","4","1","2","2","6","1","1") = "5"
    & skf21("5","4","1","2","2","6","2","1") = "5"
    & skf21("5","4","1","2","2","6","3","1") = "5"
    & skf21("5","4","1","2","2","6","4","1") = "5"
    & skf21("5","4","1","2","2","6","5","1") = "5"
    & skf21("5","4","1","2","2","6","6","1") = "5"
    & skf21("5","4","1","2","2","6","7","1") = "6"
    & skf21("5","4","1","2","2","7","1","1") = "6"
    & skf21("5","4","1","2","2","7","2","1") = "6"
    & skf21("5","4","1","2","2","7","3","1") = "6"
    & skf21("5","4","1","2","2","7","4","1") = "6"
    & skf21("5","4","1","2","2","7","5","1") = "6"
    & skf21("5","4","1","2","2","7","6","1") = "6"
    & skf21("5","4","1","2","2","7","7","1") = "6"
    & skf21("5","4","1","2","3","1","1","1") = "4"
    & skf21("5","4","1","2","3","1","2","1") = "4"
    & skf21("5","4","1","2","3","1","3","1") = "4"
    & skf21("5","4","1","2","3","1","4","1") = "4"
    & skf21("5","4","1","2","3","1","5","1") = "4"
    & skf21("5","4","1","2","3","1","6","1") = "5"
    & skf21("5","4","1","2","3","1","7","1") = "6"
    & skf21("5","4","1","2","3","2","1","1") = "4"
    & skf21("5","4","1","2","3","2","2","1") = "4"
    & skf21("5","4","1","2","3","2","3","1") = "4"
    & skf21("5","4","1","2","3","2","4","1") = "4"
    & skf21("5","4","1","2","3","2","5","1") = "4"
    & skf21("5","4","1","2","3","2","6","1") = "5"
    & skf21("5","4","1","2","3","2","7","1") = "6"
    & skf21("5","4","1","2","3","3","1","1") = "4"
    & skf21("5","4","1","2","3","3","2","1") = "4"
    & skf21("5","4","1","2","3","3","3","1") = "4"
    & skf21("5","4","1","2","3","3","4","1") = "4"
    & skf21("5","4","1","2","3","3","5","1") = "4"
    & skf21("5","4","1","2","3","3","6","1") = "5"
    & skf21("5","4","1","2","3","3","7","1") = "6"
    & skf21("5","4","1","2","3","4","1","1") = "4"
    & skf21("5","4","1","2","3","4","2","1") = "4"
    & skf21("5","4","1","2","3","4","3","1") = "4"
    & skf21("5","4","1","2","3","4","4","1") = "4"
    & skf21("5","4","1","2","3","4","5","1") = "4"
    & skf21("5","4","1","2","3","4","6","1") = "5"
    & skf21("5","4","1","2","3","4","7","1") = "6"
    & skf21("5","4","1","2","3","5","1","1") = "4"
    & skf21("5","4","1","2","3","5","2","1") = "4"
    & skf21("5","4","1","2","3","5","3","1") = "4"
    & skf21("5","4","1","2","3","5","4","1") = "4"
    & skf21("5","4","1","2","3","5","5","1") = "4"
    & skf21("5","4","1","2","3","5","6","1") = "5"
    & skf21("5","4","1","2","3","5","7","1") = "6"
    & skf21("5","4","1","2","3","6","1","1") = "5"
    & skf21("5","4","1","2","3","6","2","1") = "5"
    & skf21("5","4","1","2","3","6","3","1") = "5"
    & skf21("5","4","1","2","3","6","4","1") = "5"
    & skf21("5","4","1","2","3","6","5","1") = "5"
    & skf21("5","4","1","2","3","6","6","1") = "5"
    & skf21("5","4","1","2","3","6","7","1") = "6"
    & skf21("5","4","1","2","3","7","1","1") = "6"
    & skf21("5","4","1","2","3","7","2","1") = "6"
    & skf21("5","4","1","2","3","7","3","1") = "6"
    & skf21("5","4","1","2","3","7","4","1") = "6"
    & skf21("5","4","1","2","3","7","5","1") = "6"
    & skf21("5","4","1","2","3","7","6","1") = "6"
    & skf21("5","4","1","2","3","7","7","1") = "6"
    & skf21("5","4","1","2","4","1","1","1") = "4"
    & skf21("5","4","1","2","4","1","2","1") = "4"
    & skf21("5","4","1","2","4","1","3","1") = "4"
    & skf21("5","4","1","2","4","1","4","1") = "4"
    & skf21("5","4","1","2","4","1","5","1") = "4"
    & skf21("5","4","1","2","4","1","6","1") = "5"
    & skf21("5","4","1","2","4","1","7","1") = "6"
    & skf21("5","4","1","2","4","2","1","1") = "4"
    & skf21("5","4","1","2","4","2","2","1") = "4"
    & skf21("5","4","1","2","4","2","3","1") = "4"
    & skf21("5","4","1","2","4","2","4","1") = "4"
    & skf21("5","4","1","2","4","2","5","1") = "4"
    & skf21("5","4","1","2","4","2","6","1") = "5"
    & skf21("5","4","1","2","4","2","7","1") = "6"
    & skf21("5","4","1","2","4","3","1","1") = "4"
    & skf21("5","4","1","2","4","3","2","1") = "4"
    & skf21("5","4","1","2","4","3","3","1") = "4"
    & skf21("5","4","1","2","4","3","4","1") = "4"
    & skf21("5","4","1","2","4","3","5","1") = "4"
    & skf21("5","4","1","2","4","3","6","1") = "5"
    & skf21("5","4","1","2","4","3","7","1") = "6"
    & skf21("5","4","1","2","4","4","1","1") = "4"
    & skf21("5","4","1","2","4","4","2","1") = "4"
    & skf21("5","4","1","2","4","4","3","1") = "4"
    & skf21("5","4","1","2","4","4","4","1") = "4"
    & skf21("5","4","1","2","4","4","5","1") = "4"
    & skf21("5","4","1","2","4","4","6","1") = "5"
    & skf21("5","4","1","2","4","4","7","1") = "6"
    & skf21("5","4","1","2","4","5","1","1") = "4"
    & skf21("5","4","1","2","4","5","2","1") = "4"
    & skf21("5","4","1","2","4","5","3","1") = "4"
    & skf21("5","4","1","2","4","5","4","1") = "4"
    & skf21("5","4","1","2","4","5","5","1") = "4"
    & skf21("5","4","1","2","4","5","6","1") = "5"
    & skf21("5","4","1","2","4","5","7","1") = "6"
    & skf21("5","4","1","2","4","6","1","1") = "5"
    & skf21("5","4","1","2","4","6","2","1") = "5"
    & skf21("5","4","1","2","4","6","3","1") = "5"
    & skf21("5","4","1","2","4","6","4","1") = "5"
    & skf21("5","4","1","2","4","6","5","1") = "5"
    & skf21("5","4","1","2","4","6","6","1") = "5"
    & skf21("5","4","1","2","4","6","7","1") = "6"
    & skf21("5","4","1","2","4","7","1","1") = "6"
    & skf21("5","4","1","2","4","7","2","1") = "6"
    & skf21("5","4","1","2","4","7","3","1") = "6"
    & skf21("5","4","1","2","4","7","4","1") = "6"
    & skf21("5","4","1","2","4","7","5","1") = "6"
    & skf21("5","4","1","2","4","7","6","1") = "6"
    & skf21("5","4","1","2","4","7","7","1") = "6"
    & skf21("5","4","1","2","5","1","1","1") = "4"
    & skf21("5","4","1","2","5","1","2","1") = "4"
    & skf21("5","4","1","2","5","1","3","1") = "4"
    & skf21("5","4","1","2","5","1","4","1") = "4"
    & skf21("5","4","1","2","5","1","5","1") = "4"
    & skf21("5","4","1","2","5","1","6","1") = "5"
    & skf21("5","4","1","2","5","1","7","1") = "6"
    & skf21("5","4","1","2","5","2","1","1") = "4"
    & skf21("5","4","1","2","5","2","2","1") = "4"
    & skf21("5","4","1","2","5","2","3","1") = "4"
    & skf21("5","4","1","2","5","2","4","1") = "4"
    & skf21("5","4","1","2","5","2","5","1") = "4"
    & skf21("5","4","1","2","5","2","6","1") = "5"
    & skf21("5","4","1","2","5","2","7","1") = "6"
    & skf21("5","4","1","2","5","3","1","1") = "4"
    & skf21("5","4","1","2","5","3","2","1") = "4"
    & skf21("5","4","1","2","5","3","3","1") = "4"
    & skf21("5","4","1","2","5","3","4","1") = "4"
    & skf21("5","4","1","2","5","3","5","1") = "4"
    & skf21("5","4","1","2","5","3","6","1") = "5"
    & skf21("5","4","1","2","5","3","7","1") = "6"
    & skf21("5","4","1","2","5","4","1","1") = "4"
    & skf21("5","4","1","2","5","4","2","1") = "4"
    & skf21("5","4","1","2","5","4","3","1") = "4"
    & skf21("5","4","1","2","5","4","4","1") = "4"
    & skf21("5","4","1","2","5","4","5","1") = "4"
    & skf21("5","4","1","2","5","4","6","1") = "5"
    & skf21("5","4","1","2","5","4","7","1") = "6"
    & skf21("5","4","1","2","5","5","1","1") = "4"
    & skf21("5","4","1","2","5","5","2","1") = "4"
    & skf21("5","4","1","2","5","5","3","1") = "4"
    & skf21("5","4","1","2","5","5","4","1") = "4"
    & skf21("5","4","1","2","5","5","5","1") = "4"
    & skf21("5","4","1","2","5","5","6","1") = "5"
    & skf21("5","4","1","2","5","5","7","1") = "6"
    & skf21("5","4","1","2","5","6","1","1") = "5"
    & skf21("5","4","1","2","5","6","2","1") = "5"
    & skf21("5","4","1","2","5","6","3","1") = "5"
    & skf21("5","4","1","2","5","6","4","1") = "5"
    & skf21("5","4","1","2","5","6","5","1") = "5"
    & skf21("5","4","1","2","5","6","6","1") = "5"
    & skf21("5","4","1","2","5","6","7","1") = "6"
    & skf21("5","4","1","2","5","7","1","1") = "6"
    & skf21("5","4","1","2","5","7","2","1") = "6"
    & skf21("5","4","1","2","5","7","3","1") = "6"
    & skf21("5","4","1","2","5","7","4","1") = "6"
    & skf21("5","4","1","2","5","7","5","1") = "6"
    & skf21("5","4","1","2","5","7","6","1") = "6"
    & skf21("5","4","1","2","5","7","7","1") = "6"
    & skf21("5","4","1","2","6","1","1","1") = "5"
    & skf21("5","4","1","2","6","1","2","1") = "5"
    & skf21("5","4","1","2","6","1","3","1") = "5"
    & skf21("5","4","1","2","6","1","4","1") = "5"
    & skf21("5","4","1","2","6","1","5","1") = "5"
    & skf21("5","4","1","2","6","1","6","1") = "5"
    & skf21("5","4","1","2","6","1","7","1") = "6"
    & skf21("5","4","1","2","6","2","1","1") = "5"
    & skf21("5","4","1","2","6","2","2","1") = "5"
    & skf21("5","4","1","2","6","2","3","1") = "5"
    & skf21("5","4","1","2","6","2","4","1") = "5"
    & skf21("5","4","1","2","6","2","5","1") = "5"
    & skf21("5","4","1","2","6","2","6","1") = "5"
    & skf21("5","4","1","2","6","2","7","1") = "6"
    & skf21("5","4","1","2","6","3","1","1") = "5"
    & skf21("5","4","1","2","6","3","2","1") = "5"
    & skf21("5","4","1","2","6","3","3","1") = "5"
    & skf21("5","4","1","2","6","3","4","1") = "5"
    & skf21("5","4","1","2","6","3","5","1") = "5"
    & skf21("5","4","1","2","6","3","6","1") = "5"
    & skf21("5","4","1","2","6","3","7","1") = "6"
    & skf21("5","4","1","2","6","4","1","1") = "5"
    & skf21("5","4","1","2","6","4","2","1") = "5"
    & skf21("5","4","1","2","6","4","3","1") = "5"
    & skf21("5","4","1","2","6","4","4","1") = "5"
    & skf21("5","4","1","2","6","4","5","1") = "5"
    & skf21("5","4","1","2","6","4","6","1") = "5"
    & skf21("5","4","1","2","6","4","7","1") = "6"
    & skf21("5","4","1","2","6","5","1","1") = "5"
    & skf21("5","4","1","2","6","5","2","1") = "5"
    & skf21("5","4","1","2","6","5","3","1") = "5"
    & skf21("5","4","1","2","6","5","4","1") = "5"
    & skf21("5","4","1","2","6","5","5","1") = "5"
    & skf21("5","4","1","2","6","5","6","1") = "5"
    & skf21("5","4","1","2","6","5","7","1") = "6"
    & skf21("5","4","1","2","6","6","1","1") = "5"
    & skf21("5","4","1","2","6","6","2","1") = "5"
    & skf21("5","4","1","2","6","6","3","1") = "5"
    & skf21("5","4","1","2","6","6","4","1") = "5"
    & skf21("5","4","1","2","6","6","5","1") = "5"
    & skf21("5","4","1","2","6","6","6","1") = "5"
    & skf21("5","4","1","2","6","6","7","1") = "6"
    & skf21("5","4","1","2","6","7","1","1") = "6"
    & skf21("5","4","1","2","6","7","2","1") = "6"
    & skf21("5","4","1","2","6","7","3","1") = "6"
    & skf21("5","4","1","2","6","7","4","1") = "6"
    & skf21("5","4","1","2","6","7","5","1") = "6"
    & skf21("5","4","1","2","6","7","6","1") = "6"
    & skf21("5","4","1","2","6","7","7","1") = "6"
    & skf21("5","4","1","2","7","1","1","1") = "6"
    & skf21("5","4","1","2","7","1","2","1") = "6"
    & skf21("5","4","1","2","7","1","3","1") = "6"
    & skf21("5","4","1","2","7","1","4","1") = "6"
    & skf21("5","4","1","2","7","1","5","1") = "6"
    & skf21("5","4","1","2","7","1","6","1") = "6"
    & skf21("5","4","1","2","7","1","7","1") = "6"
    & skf21("5","4","1","2","7","2","1","1") = "6"
    & skf21("5","4","1","2","7","2","2","1") = "6"
    & skf21("5","4","1","2","7","2","3","1") = "6"
    & skf21("5","4","1","2","7","2","4","1") = "6"
    & skf21("5","4","1","2","7","2","5","1") = "6"
    & skf21("5","4","1","2","7","2","6","1") = "6"
    & skf21("5","4","1","2","7","2","7","1") = "6"
    & skf21("5","4","1","2","7","3","1","1") = "6"
    & skf21("5","4","1","2","7","3","2","1") = "6"
    & skf21("5","4","1","2","7","3","3","1") = "6"
    & skf21("5","4","1","2","7","3","4","1") = "6"
    & skf21("5","4","1","2","7","3","5","1") = "6"
    & skf21("5","4","1","2","7","3","6","1") = "6"
    & skf21("5","4","1","2","7","3","7","1") = "6"
    & skf21("5","4","1","2","7","4","1","1") = "6"
    & skf21("5","4","1","2","7","4","2","1") = "6"
    & skf21("5","4","1","2","7","4","3","1") = "6"
    & skf21("5","4","1","2","7","4","4","1") = "6"
    & skf21("5","4","1","2","7","4","5","1") = "6"
    & skf21("5","4","1","2","7","4","6","1") = "6"
    & skf21("5","4","1","2","7","4","7","1") = "6"
    & skf21("5","4","1","2","7","5","1","1") = "6"
    & skf21("5","4","1","2","7","5","2","1") = "6"
    & skf21("5","4","1","2","7","5","3","1") = "6"
    & skf21("5","4","1","2","7","5","4","1") = "6"
    & skf21("5","4","1","2","7","5","5","1") = "6"
    & skf21("5","4","1","2","7","5","6","1") = "6"
    & skf21("5","4","1","2","7","5","7","1") = "6"
    & skf21("5","4","1","2","7","6","1","1") = "6"
    & skf21("5","4","1","2","7","6","2","1") = "6"
    & skf21("5","4","1","2","7","6","3","1") = "6"
    & skf21("5","4","1","2","7","6","4","1") = "6"
    & skf21("5","4","1","2","7","6","5","1") = "6"
    & skf21("5","4","1","2","7","6","6","1") = "6"
    & skf21("5","4","1","2","7","6","7","1") = "6"
    & skf21("5","4","1","2","7","7","1","1") = "6"
    & skf21("5","4","1","2","7","7","2","1") = "6"
    & skf21("5","4","1","2","7","7","3","1") = "6"
    & skf21("5","4","1","2","7","7","4","1") = "6"
    & skf21("5","4","1","2","7","7","5","1") = "6"
    & skf21("5","4","1","2","7","7","6","1") = "6"
    & skf21("5","4","1","2","7","7","7","1") = "6"
    & skf21("5","4","1","3","1","1","1","1") = "4"
    & skf21("5","4","1","3","1","1","2","1") = "4"
    & skf21("5","4","1","3","1","1","3","1") = "4"
    & skf21("5","4","1","3","1","1","4","1") = "4"
    & skf21("5","4","1","3","1","1","5","1") = "4"
    & skf21("5","4","1","3","1","1","6","1") = "5"
    & skf21("5","4","1","3","1","1","7","1") = "6"
    & skf21("5","4","1","3","1","2","1","1") = "4"
    & skf21("5","4","1","3","1","2","2","1") = "4"
    & skf21("5","4","1","3","1","2","3","1") = "4"
    & skf21("5","4","1","3","1","2","4","1") = "4"
    & skf21("5","4","1","3","1","2","5","1") = "4"
    & skf21("5","4","1","3","1","2","6","1") = "5"
    & skf21("5","4","1","3","1","2","7","1") = "6"
    & skf21("5","4","1","3","1","3","1","1") = "4"
    & skf21("5","4","1","3","1","3","2","1") = "4"
    & skf21("5","4","1","3","1","3","3","1") = "4"
    & skf21("5","4","1","3","1","3","4","1") = "4"
    & skf21("5","4","1","3","1","3","5","1") = "4"
    & skf21("5","4","1","3","1","3","6","1") = "5"
    & skf21("5","4","1","3","1","3","7","1") = "6"
    & skf21("5","4","1","3","1","4","1","1") = "4"
    & skf21("5","4","1","3","1","4","2","1") = "4"
    & skf21("5","4","1","3","1","4","3","1") = "4"
    & skf21("5","4","1","3","1","4","4","1") = "4"
    & skf21("5","4","1","3","1","4","5","1") = "4"
    & skf21("5","4","1","3","1","4","6","1") = "5"
    & skf21("5","4","1","3","1","4","7","1") = "6"
    & skf21("5","4","1","3","1","5","1","1") = "4"
    & skf21("5","4","1","3","1","5","2","1") = "4"
    & skf21("5","4","1","3","1","5","3","1") = "4"
    & skf21("5","4","1","3","1","5","4","1") = "4"
    & skf21("5","4","1","3","1","5","5","1") = "4"
    & skf21("5","4","1","3","1","5","6","1") = "5"
    & skf21("5","4","1","3","1","5","7","1") = "6"
    & skf21("5","4","1","3","1","6","1","1") = "5"
    & skf21("5","4","1","3","1","6","2","1") = "5"
    & skf21("5","4","1","3","1","6","3","1") = "5"
    & skf21("5","4","1","3","1","6","4","1") = "5"
    & skf21("5","4","1","3","1","6","5","1") = "5"
    & skf21("5","4","1","3","1","6","6","1") = "5"
    & skf21("5","4","1","3","1","6","7","1") = "6"
    & skf21("5","4","1","3","1","7","1","1") = "6"
    & skf21("5","4","1","3","1","7","2","1") = "6"
    & skf21("5","4","1","3","1","7","3","1") = "6"
    & skf21("5","4","1","3","1","7","4","1") = "6"
    & skf21("5","4","1","3","1","7","5","1") = "6"
    & skf21("5","4","1","3","1","7","6","1") = "6"
    & skf21("5","4","1","3","1","7","7","1") = "6"
    & skf21("5","4","1","3","2","1","1","1") = "4"
    & skf21("5","4","1","3","2","1","2","1") = "4"
    & skf21("5","4","1","3","2","1","3","1") = "4"
    & skf21("5","4","1","3","2","1","4","1") = "4"
    & skf21("5","4","1","3","2","1","5","1") = "4"
    & skf21("5","4","1","3","2","1","6","1") = "5"
    & skf21("5","4","1","3","2","1","7","1") = "6"
    & skf21("5","4","1","3","2","2","1","1") = "4"
    & skf21("5","4","1","3","2","2","2","1") = "4"
    & skf21("5","4","1","3","2","2","3","1") = "4"
    & skf21("5","4","1","3","2","2","4","1") = "4"
    & skf21("5","4","1","3","2","2","5","1") = "4"
    & skf21("5","4","1","3","2","2","6","1") = "5"
    & skf21("5","4","1","3","2","2","7","1") = "6"
    & skf21("5","4","1","3","2","3","1","1") = "4"
    & skf21("5","4","1","3","2","3","2","1") = "4"
    & skf21("5","4","1","3","2","3","3","1") = "4"
    & skf21("5","4","1","3","2","3","4","1") = "4"
    & skf21("5","4","1","3","2","3","5","1") = "4"
    & skf21("5","4","1","3","2","3","6","1") = "5"
    & skf21("5","4","1","3","2","3","7","1") = "6"
    & skf21("5","4","1","3","2","4","1","1") = "4"
    & skf21("5","4","1","3","2","4","2","1") = "4"
    & skf21("5","4","1","3","2","4","3","1") = "4"
    & skf21("5","4","1","3","2","4","4","1") = "4"
    & skf21("5","4","1","3","2","4","5","1") = "4"
    & skf21("5","4","1","3","2","4","6","1") = "5"
    & skf21("5","4","1","3","2","4","7","1") = "6"
    & skf21("5","4","1","3","2","5","1","1") = "4"
    & skf21("5","4","1","3","2","5","2","1") = "4"
    & skf21("5","4","1","3","2","5","3","1") = "4"
    & skf21("5","4","1","3","2","5","4","1") = "4"
    & skf21("5","4","1","3","2","5","5","1") = "4"
    & skf21("5","4","1","3","2","5","6","1") = "5"
    & skf21("5","4","1","3","2","5","7","1") = "6"
    & skf21("5","4","1","3","2","6","1","1") = "5"
    & skf21("5","4","1","3","2","6","2","1") = "5"
    & skf21("5","4","1","3","2","6","3","1") = "5"
    & skf21("5","4","1","3","2","6","4","1") = "5"
    & skf21("5","4","1","3","2","6","5","1") = "5"
    & skf21("5","4","1","3","2","6","6","1") = "5"
    & skf21("5","4","1","3","2","6","7","1") = "6"
    & skf21("5","4","1","3","2","7","1","1") = "6"
    & skf21("5","4","1","3","2","7","2","1") = "6"
    & skf21("5","4","1","3","2","7","3","1") = "6"
    & skf21("5","4","1","3","2","7","4","1") = "6"
    & skf21("5","4","1","3","2","7","5","1") = "6"
    & skf21("5","4","1","3","2","7","6","1") = "6"
    & skf21("5","4","1","3","2","7","7","1") = "6"
    & skf21("5","4","1","3","3","1","1","1") = "4"
    & skf21("5","4","1","3","3","1","2","1") = "4"
    & skf21("5","4","1","3","3","1","3","1") = "4"
    & skf21("5","4","1","3","3","1","4","1") = "4"
    & skf21("5","4","1","3","3","1","5","1") = "4"
    & skf21("5","4","1","3","3","1","6","1") = "5"
    & skf21("5","4","1","3","3","1","7","1") = "6"
    & skf21("5","4","1","3","3","2","1","1") = "4"
    & skf21("5","4","1","3","3","2","2","1") = "4"
    & skf21("5","4","1","3","3","2","3","1") = "4"
    & skf21("5","4","1","3","3","2","4","1") = "4"
    & skf21("5","4","1","3","3","2","5","1") = "4"
    & skf21("5","4","1","3","3","2","6","1") = "5"
    & skf21("5","4","1","3","3","2","7","1") = "6"
    & skf21("5","4","1","3","3","3","1","1") = "4"
    & skf21("5","4","1","3","3","3","2","1") = "4"
    & skf21("5","4","1","3","3","3","3","1") = "4"
    & skf21("5","4","1","3","3","3","4","1") = "4"
    & skf21("5","4","1","3","3","3","5","1") = "4"
    & skf21("5","4","1","3","3","3","6","1") = "5"
    & skf21("5","4","1","3","3","3","7","1") = "6"
    & skf21("5","4","1","3","3","4","1","1") = "4"
    & skf21("5","4","1","3","3","4","2","1") = "4"
    & skf21("5","4","1","3","3","4","3","1") = "4"
    & skf21("5","4","1","3","3","4","4","1") = "4"
    & skf21("5","4","1","3","3","4","5","1") = "4"
    & skf21("5","4","1","3","3","4","6","1") = "5"
    & skf21("5","4","1","3","3","4","7","1") = "6"
    & skf21("5","4","1","3","3","5","1","1") = "4"
    & skf21("5","4","1","3","3","5","2","1") = "4"
    & skf21("5","4","1","3","3","5","3","1") = "4"
    & skf21("5","4","1","3","3","5","4","1") = "4"
    & skf21("5","4","1","3","3","5","5","1") = "4"
    & skf21("5","4","1","3","3","5","6","1") = "5"
    & skf21("5","4","1","3","3","5","7","1") = "6"
    & skf21("5","4","1","3","3","6","1","1") = "5"
    & skf21("5","4","1","3","3","6","2","1") = "5"
    & skf21("5","4","1","3","3","6","3","1") = "5"
    & skf21("5","4","1","3","3","6","4","1") = "5"
    & skf21("5","4","1","3","3","6","5","1") = "5"
    & skf21("5","4","1","3","3","6","6","1") = "5"
    & skf21("5","4","1","3","3","6","7","1") = "6"
    & skf21("5","4","1","3","3","7","1","1") = "6"
    & skf21("5","4","1","3","3","7","2","1") = "6"
    & skf21("5","4","1","3","3","7","3","1") = "6"
    & skf21("5","4","1","3","3","7","4","1") = "6"
    & skf21("5","4","1","3","3","7","5","1") = "6"
    & skf21("5","4","1","3","3","7","6","1") = "6"
    & skf21("5","4","1","3","3","7","7","1") = "6"
    & skf21("5","4","1","3","4","1","1","1") = "4"
    & skf21("5","4","1","3","4","1","2","1") = "4"
    & skf21("5","4","1","3","4","1","3","1") = "4"
    & skf21("5","4","1","3","4","1","4","1") = "4"
    & skf21("5","4","1","3","4","1","5","1") = "4"
    & skf21("5","4","1","3","4","1","6","1") = "5"
    & skf21("5","4","1","3","4","1","7","1") = "6"
    & skf21("5","4","1","3","4","2","1","1") = "4"
    & skf21("5","4","1","3","4","2","2","1") = "4"
    & skf21("5","4","1","3","4","2","3","1") = "4"
    & skf21("5","4","1","3","4","2","4","1") = "4"
    & skf21("5","4","1","3","4","2","5","1") = "4"
    & skf21("5","4","1","3","4","2","6","1") = "5"
    & skf21("5","4","1","3","4","2","7","1") = "6"
    & skf21("5","4","1","3","4","3","1","1") = "4"
    & skf21("5","4","1","3","4","3","2","1") = "4"
    & skf21("5","4","1","3","4","3","3","1") = "4"
    & skf21("5","4","1","3","4","3","4","1") = "4"
    & skf21("5","4","1","3","4","3","5","1") = "4"
    & skf21("5","4","1","3","4","3","6","1") = "5"
    & skf21("5","4","1","3","4","3","7","1") = "6"
    & skf21("5","4","1","3","4","4","1","1") = "4"
    & skf21("5","4","1","3","4","4","2","1") = "4"
    & skf21("5","4","1","3","4","4","3","1") = "4"
    & skf21("5","4","1","3","4","4","4","1") = "4"
    & skf21("5","4","1","3","4","4","5","1") = "4"
    & skf21("5","4","1","3","4","4","6","1") = "5"
    & skf21("5","4","1","3","4","4","7","1") = "6"
    & skf21("5","4","1","3","4","5","1","1") = "4"
    & skf21("5","4","1","3","4","5","2","1") = "4"
    & skf21("5","4","1","3","4","5","3","1") = "4"
    & skf21("5","4","1","3","4","5","4","1") = "4"
    & skf21("5","4","1","3","4","5","5","1") = "4"
    & skf21("5","4","1","3","4","5","6","1") = "5"
    & skf21("5","4","1","3","4","5","7","1") = "6"
    & skf21("5","4","1","3","4","6","1","1") = "5"
    & skf21("5","4","1","3","4","6","2","1") = "5"
    & skf21("5","4","1","3","4","6","3","1") = "5"
    & skf21("5","4","1","3","4","6","4","1") = "5"
    & skf21("5","4","1","3","4","6","5","1") = "5"
    & skf21("5","4","1","3","4","6","6","1") = "5"
    & skf21("5","4","1","3","4","6","7","1") = "6"
    & skf21("5","4","1","3","4","7","1","1") = "6"
    & skf21("5","4","1","3","4","7","2","1") = "6"
    & skf21("5","4","1","3","4","7","3","1") = "6"
    & skf21("5","4","1","3","4","7","4","1") = "6"
    & skf21("5","4","1","3","4","7","5","1") = "6"
    & skf21("5","4","1","3","4","7","6","1") = "6"
    & skf21("5","4","1","3","4","7","7","1") = "6"
    & skf21("5","4","1","3","5","1","1","1") = "4"
    & skf21("5","4","1","3","5","1","2","1") = "4"
    & skf21("5","4","1","3","5","1","3","1") = "4"
    & skf21("5","4","1","3","5","1","4","1") = "4"
    & skf21("5","4","1","3","5","1","5","1") = "4"
    & skf21("5","4","1","3","5","1","6","1") = "5"
    & skf21("5","4","1","3","5","1","7","1") = "6"
    & skf21("5","4","1","3","5","2","1","1") = "4"
    & skf21("5","4","1","3","5","2","2","1") = "4"
    & skf21("5","4","1","3","5","2","3","1") = "4"
    & skf21("5","4","1","3","5","2","4","1") = "4"
    & skf21("5","4","1","3","5","2","5","1") = "4"
    & skf21("5","4","1","3","5","2","6","1") = "5"
    & skf21("5","4","1","3","5","2","7","1") = "6"
    & skf21("5","4","1","3","5","3","1","1") = "4"
    & skf21("5","4","1","3","5","3","2","1") = "4"
    & skf21("5","4","1","3","5","3","3","1") = "4"
    & skf21("5","4","1","3","5","3","4","1") = "4"
    & skf21("5","4","1","3","5","3","5","1") = "4"
    & skf21("5","4","1","3","5","3","6","1") = "5"
    & skf21("5","4","1","3","5","3","7","1") = "6"
    & skf21("5","4","1","3","5","4","1","1") = "4"
    & skf21("5","4","1","3","5","4","2","1") = "4"
    & skf21("5","4","1","3","5","4","3","1") = "4"
    & skf21("5","4","1","3","5","4","4","1") = "4"
    & skf21("5","4","1","3","5","4","5","1") = "4"
    & skf21("5","4","1","3","5","4","6","1") = "5"
    & skf21("5","4","1","3","5","4","7","1") = "6"
    & skf21("5","4","1","3","5","5","1","1") = "4"
    & skf21("5","4","1","3","5","5","2","1") = "4"
    & skf21("5","4","1","3","5","5","3","1") = "4"
    & skf21("5","4","1","3","5","5","4","1") = "4"
    & skf21("5","4","1","3","5","5","5","1") = "4"
    & skf21("5","4","1","3","5","5","6","1") = "5"
    & skf21("5","4","1","3","5","5","7","1") = "6"
    & skf21("5","4","1","3","5","6","1","1") = "5"
    & skf21("5","4","1","3","5","6","2","1") = "5"
    & skf21("5","4","1","3","5","6","3","1") = "5"
    & skf21("5","4","1","3","5","6","4","1") = "5"
    & skf21("5","4","1","3","5","6","5","1") = "5"
    & skf21("5","4","1","3","5","6","6","1") = "5"
    & skf21("5","4","1","3","5","6","7","1") = "6"
    & skf21("5","4","1","3","5","7","1","1") = "6"
    & skf21("5","4","1","3","5","7","2","1") = "6"
    & skf21("5","4","1","3","5","7","3","1") = "6"
    & skf21("5","4","1","3","5","7","4","1") = "6"
    & skf21("5","4","1","3","5","7","5","1") = "6"
    & skf21("5","4","1","3","5","7","6","1") = "6"
    & skf21("5","4","1","3","5","7","7","1") = "6"
    & skf21("5","4","1","3","6","1","1","1") = "5"
    & skf21("5","4","1","3","6","1","2","1") = "5"
    & skf21("5","4","1","3","6","1","3","1") = "5"
    & skf21("5","4","1","3","6","1","4","1") = "5"
    & skf21("5","4","1","3","6","1","5","1") = "5"
    & skf21("5","4","1","3","6","1","6","1") = "5"
    & skf21("5","4","1","3","6","1","7","1") = "6"
    & skf21("5","4","1","3","6","2","1","1") = "5"
    & skf21("5","4","1","3","6","2","2","1") = "5"
    & skf21("5","4","1","3","6","2","3","1") = "5"
    & skf21("5","4","1","3","6","2","4","1") = "5"
    & skf21("5","4","1","3","6","2","5","1") = "5"
    & skf21("5","4","1","3","6","2","6","1") = "5"
    & skf21("5","4","1","3","6","2","7","1") = "6"
    & skf21("5","4","1","3","6","3","1","1") = "5"
    & skf21("5","4","1","3","6","3","2","1") = "5"
    & skf21("5","4","1","3","6","3","3","1") = "5"
    & skf21("5","4","1","3","6","3","4","1") = "5"
    & skf21("5","4","1","3","6","3","5","1") = "5"
    & skf21("5","4","1","3","6","3","6","1") = "5"
    & skf21("5","4","1","3","6","3","7","1") = "6"
    & skf21("5","4","1","3","6","4","1","1") = "5"
    & skf21("5","4","1","3","6","4","2","1") = "5"
    & skf21("5","4","1","3","6","4","3","1") = "5"
    & skf21("5","4","1","3","6","4","4","1") = "5"
    & skf21("5","4","1","3","6","4","5","1") = "5"
    & skf21("5","4","1","3","6","4","6","1") = "5"
    & skf21("5","4","1","3","6","4","7","1") = "6"
    & skf21("5","4","1","3","6","5","1","1") = "5"
    & skf21("5","4","1","3","6","5","2","1") = "5"
    & skf21("5","4","1","3","6","5","3","1") = "5"
    & skf21("5","4","1","3","6","5","4","1") = "5"
    & skf21("5","4","1","3","6","5","5","1") = "5"
    & skf21("5","4","1","3","6","5","6","1") = "5"
    & skf21("5","4","1","3","6","5","7","1") = "6"
    & skf21("5","4","1","3","6","6","1","1") = "5"
    & skf21("5","4","1","3","6","6","2","1") = "5"
    & skf21("5","4","1","3","6","6","3","1") = "5"
    & skf21("5","4","1","3","6","6","4","1") = "5"
    & skf21("5","4","1","3","6","6","5","1") = "5"
    & skf21("5","4","1","3","6","6","6","1") = "5"
    & skf21("5","4","1","3","6","6","7","1") = "6"
    & skf21("5","4","1","3","6","7","1","1") = "6"
    & skf21("5","4","1","3","6","7","2","1") = "6"
    & skf21("5","4","1","3","6","7","3","1") = "6"
    & skf21("5","4","1","3","6","7","4","1") = "6"
    & skf21("5","4","1","3","6","7","5","1") = "6"
    & skf21("5","4","1","3","6","7","6","1") = "6"
    & skf21("5","4","1","3","6","7","7","1") = "6"
    & skf21("5","4","1","3","7","1","1","1") = "6"
    & skf21("5","4","1","3","7","1","2","1") = "6"
    & skf21("5","4","1","3","7","1","3","1") = "6"
    & skf21("5","4","1","3","7","1","4","1") = "6"
    & skf21("5","4","1","3","7","1","5","1") = "6"
    & skf21("5","4","1","3","7","1","6","1") = "6"
    & skf21("5","4","1","3","7","1","7","1") = "6"
    & skf21("5","4","1","3","7","2","1","1") = "6"
    & skf21("5","4","1","3","7","2","2","1") = "6"
    & skf21("5","4","1","3","7","2","3","1") = "6"
    & skf21("5","4","1","3","7","2","4","1") = "6"
    & skf21("5","4","1","3","7","2","5","1") = "6"
    & skf21("5","4","1","3","7","2","6","1") = "6"
    & skf21("5","4","1","3","7","2","7","1") = "6"
    & skf21("5","4","1","3","7","3","1","1") = "6"
    & skf21("5","4","1","3","7","3","2","1") = "6"
    & skf21("5","4","1","3","7","3","3","1") = "6"
    & skf21("5","4","1","3","7","3","4","1") = "6"
    & skf21("5","4","1","3","7","3","5","1") = "6"
    & skf21("5","4","1","3","7","3","6","1") = "6"
    & skf21("5","4","1","3","7","3","7","1") = "6"
    & skf21("5","4","1","3","7","4","1","1") = "6"
    & skf21("5","4","1","3","7","4","2","1") = "6"
    & skf21("5","4","1","3","7","4","3","1") = "6"
    & skf21("5","4","1","3","7","4","4","1") = "6"
    & skf21("5","4","1","3","7","4","5","1") = "6"
    & skf21("5","4","1","3","7","4","6","1") = "6"
    & skf21("5","4","1","3","7","4","7","1") = "6"
    & skf21("5","4","1","3","7","5","1","1") = "6"
    & skf21("5","4","1","3","7","5","2","1") = "6"
    & skf21("5","4","1","3","7","5","3","1") = "6"
    & skf21("5","4","1","3","7","5","4","1") = "6"
    & skf21("5","4","1","3","7","5","5","1") = "6"
    & skf21("5","4","1","3","7","5","6","1") = "6"
    & skf21("5","4","1","3","7","5","7","1") = "6"
    & skf21("5","4","1","3","7","6","1","1") = "6"
    & skf21("5","4","1","3","7","6","2","1") = "6"
    & skf21("5","4","1","3","7","6","3","1") = "6"
    & skf21("5","4","1","3","7","6","4","1") = "6"
    & skf21("5","4","1","3","7","6","5","1") = "6"
    & skf21("5","4","1","3","7","6","6","1") = "6"
    & skf21("5","4","1","3","7","6","7","1") = "6"
    & skf21("5","4","1","3","7","7","1","1") = "6"
    & skf21("5","4","1","3","7","7","2","1") = "6"
    & skf21("5","4","1","3","7","7","3","1") = "6"
    & skf21("5","4","1","3","7","7","4","1") = "6"
    & skf21("5","4","1","3","7","7","5","1") = "6"
    & skf21("5","4","1","3","7","7","6","1") = "6"
    & skf21("5","4","1","3","7","7","7","1") = "6"
    & skf21("5","4","1","4","1","1","1","1") = "4"
    & skf21("5","4","1","4","1","1","2","1") = "4"
    & skf21("5","4","1","4","1","1","3","1") = "4"
    & skf21("5","4","1","4","1","1","4","1") = "4"
    & skf21("5","4","1","4","1","1","5","1") = "4"
    & skf21("5","4","1","4","1","1","6","1") = "5"
    & skf21("5","4","1","4","1","1","7","1") = "6"
    & skf21("5","4","1","4","1","2","1","1") = "4"
    & skf21("5","4","1","4","1","2","2","1") = "4"
    & skf21("5","4","1","4","1","2","3","1") = "4"
    & skf21("5","4","1","4","1","2","4","1") = "4"
    & skf21("5","4","1","4","1","2","5","1") = "4"
    & skf21("5","4","1","4","1","2","6","1") = "5"
    & skf21("5","4","1","4","1","2","7","1") = "6"
    & skf21("5","4","1","4","1","3","1","1") = "4"
    & skf21("5","4","1","4","1","3","2","1") = "4"
    & skf21("5","4","1","4","1","3","3","1") = "4"
    & skf21("5","4","1","4","1","3","4","1") = "4"
    & skf21("5","4","1","4","1","3","5","1") = "4"
    & skf21("5","4","1","4","1","3","6","1") = "5"
    & skf21("5","4","1","4","1","3","7","1") = "6"
    & skf21("5","4","1","4","1","4","1","1") = "4"
    & skf21("5","4","1","4","1","4","2","1") = "4"
    & skf21("5","4","1","4","1","4","3","1") = "4"
    & skf21("5","4","1","4","1","4","4","1") = "4"
    & skf21("5","4","1","4","1","4","5","1") = "4"
    & skf21("5","4","1","4","1","4","6","1") = "5"
    & skf21("5","4","1","4","1","4","7","1") = "6"
    & skf21("5","4","1","4","1","5","1","1") = "4"
    & skf21("5","4","1","4","1","5","2","1") = "4"
    & skf21("5","4","1","4","1","5","3","1") = "4"
    & skf21("5","4","1","4","1","5","4","1") = "4"
    & skf21("5","4","1","4","1","5","5","1") = "4"
    & skf21("5","4","1","4","1","5","6","1") = "5"
    & skf21("5","4","1","4","1","5","7","1") = "6"
    & skf21("5","4","1","4","1","6","1","1") = "5"
    & skf21("5","4","1","4","1","6","2","1") = "5"
    & skf21("5","4","1","4","1","6","3","1") = "5"
    & skf21("5","4","1","4","1","6","4","1") = "5"
    & skf21("5","4","1","4","1","6","5","1") = "5"
    & skf21("5","4","1","4","1","6","6","1") = "5"
    & skf21("5","4","1","4","1","6","7","1") = "6"
    & skf21("5","4","1","4","1","7","1","1") = "6"
    & skf21("5","4","1","4","1","7","2","1") = "6"
    & skf21("5","4","1","4","1","7","3","1") = "6"
    & skf21("5","4","1","4","1","7","4","1") = "6"
    & skf21("5","4","1","4","1","7","5","1") = "6"
    & skf21("5","4","1","4","1","7","6","1") = "6"
    & skf21("5","4","1","4","1","7","7","1") = "6"
    & skf21("5","4","1","4","2","1","1","1") = "4"
    & skf21("5","4","1","4","2","1","2","1") = "4"
    & skf21("5","4","1","4","2","1","3","1") = "4"
    & skf21("5","4","1","4","2","1","4","1") = "4"
    & skf21("5","4","1","4","2","1","5","1") = "4"
    & skf21("5","4","1","4","2","1","6","1") = "5"
    & skf21("5","4","1","4","2","1","7","1") = "6"
    & skf21("5","4","1","4","2","2","1","1") = "4"
    & skf21("5","4","1","4","2","2","2","1") = "4"
    & skf21("5","4","1","4","2","2","3","1") = "4"
    & skf21("5","4","1","4","2","2","4","1") = "4"
    & skf21("5","4","1","4","2","2","5","1") = "4"
    & skf21("5","4","1","4","2","2","6","1") = "5"
    & skf21("5","4","1","4","2","2","7","1") = "6"
    & skf21("5","4","1","4","2","3","1","1") = "4"
    & skf21("5","4","1","4","2","3","2","1") = "4"
    & skf21("5","4","1","4","2","3","3","1") = "4"
    & skf21("5","4","1","4","2","3","4","1") = "4"
    & skf21("5","4","1","4","2","3","5","1") = "4"
    & skf21("5","4","1","4","2","3","6","1") = "5"
    & skf21("5","4","1","4","2","3","7","1") = "6"
    & skf21("5","4","1","4","2","4","1","1") = "4"
    & skf21("5","4","1","4","2","4","2","1") = "4"
    & skf21("5","4","1","4","2","4","3","1") = "4"
    & skf21("5","4","1","4","2","4","4","1") = "4"
    & skf21("5","4","1","4","2","4","5","1") = "4"
    & skf21("5","4","1","4","2","4","6","1") = "5"
    & skf21("5","4","1","4","2","4","7","1") = "6"
    & skf21("5","4","1","4","2","5","1","1") = "4"
    & skf21("5","4","1","4","2","5","2","1") = "4"
    & skf21("5","4","1","4","2","5","3","1") = "4"
    & skf21("5","4","1","4","2","5","4","1") = "4"
    & skf21("5","4","1","4","2","5","5","1") = "4"
    & skf21("5","4","1","4","2","5","6","1") = "5"
    & skf21("5","4","1","4","2","5","7","1") = "6"
    & skf21("5","4","1","4","2","6","1","1") = "5"
    & skf21("5","4","1","4","2","6","2","1") = "5"
    & skf21("5","4","1","4","2","6","3","1") = "5"
    & skf21("5","4","1","4","2","6","4","1") = "5"
    & skf21("5","4","1","4","2","6","5","1") = "5"
    & skf21("5","4","1","4","2","6","6","1") = "5"
    & skf21("5","4","1","4","2","6","7","1") = "6"
    & skf21("5","4","1","4","2","7","1","1") = "6"
    & skf21("5","4","1","4","2","7","2","1") = "6"
    & skf21("5","4","1","4","2","7","3","1") = "6"
    & skf21("5","4","1","4","2","7","4","1") = "6"
    & skf21("5","4","1","4","2","7","5","1") = "6"
    & skf21("5","4","1","4","2","7","6","1") = "6"
    & skf21("5","4","1","4","2","7","7","1") = "6"
    & skf21("5","4","1","4","3","1","1","1") = "4"
    & skf21("5","4","1","4","3","1","2","1") = "4"
    & skf21("5","4","1","4","3","1","3","1") = "4"
    & skf21("5","4","1","4","3","1","4","1") = "4"
    & skf21("5","4","1","4","3","1","5","1") = "4"
    & skf21("5","4","1","4","3","1","6","1") = "5"
    & skf21("5","4","1","4","3","1","7","1") = "6"
    & skf21("5","4","1","4","3","2","1","1") = "4"
    & skf21("5","4","1","4","3","2","2","1") = "4"
    & skf21("5","4","1","4","3","2","3","1") = "4"
    & skf21("5","4","1","4","3","2","4","1") = "4"
    & skf21("5","4","1","4","3","2","5","1") = "4"
    & skf21("5","4","1","4","3","2","6","1") = "5"
    & skf21("5","4","1","4","3","2","7","1") = "6"
    & skf21("5","4","1","4","3","3","1","1") = "4"
    & skf21("5","4","1","4","3","3","2","1") = "4"
    & skf21("5","4","1","4","3","3","3","1") = "4"
    & skf21("5","4","1","4","3","3","4","1") = "4"
    & skf21("5","4","1","4","3","3","5","1") = "4"
    & skf21("5","4","1","4","3","3","6","1") = "5"
    & skf21("5","4","1","4","3","3","7","1") = "6"
    & skf21("5","4","1","4","3","4","1","1") = "4"
    & skf21("5","4","1","4","3","4","2","1") = "4"
    & skf21("5","4","1","4","3","4","3","1") = "4"
    & skf21("5","4","1","4","3","4","4","1") = "4"
    & skf21("5","4","1","4","3","4","5","1") = "4"
    & skf21("5","4","1","4","3","4","6","1") = "5"
    & skf21("5","4","1","4","3","4","7","1") = "6"
    & skf21("5","4","1","4","3","5","1","1") = "4"
    & skf21("5","4","1","4","3","5","2","1") = "4"
    & skf21("5","4","1","4","3","5","3","1") = "4"
    & skf21("5","4","1","4","3","5","4","1") = "4"
    & skf21("5","4","1","4","3","5","5","1") = "4"
    & skf21("5","4","1","4","3","5","6","1") = "5"
    & skf21("5","4","1","4","3","5","7","1") = "6"
    & skf21("5","4","1","4","3","6","1","1") = "5"
    & skf21("5","4","1","4","3","6","2","1") = "5"
    & skf21("5","4","1","4","3","6","3","1") = "5"
    & skf21("5","4","1","4","3","6","4","1") = "5"
    & skf21("5","4","1","4","3","6","5","1") = "5"
    & skf21("5","4","1","4","3","6","6","1") = "5"
    & skf21("5","4","1","4","3","6","7","1") = "6"
    & skf21("5","4","1","4","3","7","1","1") = "6"
    & skf21("5","4","1","4","3","7","2","1") = "6"
    & skf21("5","4","1","4","3","7","3","1") = "6"
    & skf21("5","4","1","4","3","7","4","1") = "6"
    & skf21("5","4","1","4","3","7","5","1") = "6"
    & skf21("5","4","1","4","3","7","6","1") = "6"
    & skf21("5","4","1","4","3","7","7","1") = "6"
    & skf21("5","4","1","4","4","1","1","1") = "4"
    & skf21("5","4","1","4","4","1","2","1") = "4"
    & skf21("5","4","1","4","4","1","3","1") = "4"
    & skf21("5","4","1","4","4","1","4","1") = "4"
    & skf21("5","4","1","4","4","1","5","1") = "4"
    & skf21("5","4","1","4","4","1","6","1") = "5"
    & skf21("5","4","1","4","4","1","7","1") = "6"
    & skf21("5","4","1","4","4","2","1","1") = "4"
    & skf21("5","4","1","4","4","2","2","1") = "4"
    & skf21("5","4","1","4","4","2","3","1") = "4"
    & skf21("5","4","1","4","4","2","4","1") = "4"
    & skf21("5","4","1","4","4","2","5","1") = "4"
    & skf21("5","4","1","4","4","2","6","1") = "5"
    & skf21("5","4","1","4","4","2","7","1") = "6"
    & skf21("5","4","1","4","4","3","1","1") = "4"
    & skf21("5","4","1","4","4","3","2","1") = "4"
    & skf21("5","4","1","4","4","3","3","1") = "4"
    & skf21("5","4","1","4","4","3","4","1") = "4"
    & skf21("5","4","1","4","4","3","5","1") = "4"
    & skf21("5","4","1","4","4","3","6","1") = "5"
    & skf21("5","4","1","4","4","3","7","1") = "6"
    & skf21("5","4","1","4","4","4","1","1") = "4"
    & skf21("5","4","1","4","4","4","2","1") = "4"
    & skf21("5","4","1","4","4","4","3","1") = "4"
    & skf21("5","4","1","4","4","4","4","1") = "4"
    & skf21("5","4","1","4","4","4","5","1") = "4"
    & skf21("5","4","1","4","4","4","6","1") = "5"
    & skf21("5","4","1","4","4","4","7","1") = "6"
    & skf21("5","4","1","4","4","5","1","1") = "4"
    & skf21("5","4","1","4","4","5","2","1") = "4"
    & skf21("5","4","1","4","4","5","3","1") = "4"
    & skf21("5","4","1","4","4","5","4","1") = "4"
    & skf21("5","4","1","4","4","5","5","1") = "4"
    & skf21("5","4","1","4","4","5","6","1") = "5"
    & skf21("5","4","1","4","4","5","7","1") = "6"
    & skf21("5","4","1","4","4","6","1","1") = "5"
    & skf21("5","4","1","4","4","6","2","1") = "5"
    & skf21("5","4","1","4","4","6","3","1") = "5"
    & skf21("5","4","1","4","4","6","4","1") = "5"
    & skf21("5","4","1","4","4","6","5","1") = "5"
    & skf21("5","4","1","4","4","6","6","1") = "5"
    & skf21("5","4","1","4","4","6","7","1") = "6"
    & skf21("5","4","1","4","4","7","1","1") = "6"
    & skf21("5","4","1","4","4","7","2","1") = "6"
    & skf21("5","4","1","4","4","7","3","1") = "6"
    & skf21("5","4","1","4","4","7","4","1") = "6"
    & skf21("5","4","1","4","4","7","5","1") = "6"
    & skf21("5","4","1","4","4","7","6","1") = "6"
    & skf21("5","4","1","4","4","7","7","1") = "6"
    & skf21("5","4","1","4","5","1","1","1") = "4"
    & skf21("5","4","1","4","5","1","2","1") = "4"
    & skf21("5","4","1","4","5","1","3","1") = "4"
    & skf21("5","4","1","4","5","1","4","1") = "4"
    & skf21("5","4","1","4","5","1","5","1") = "4"
    & skf21("5","4","1","4","5","1","6","1") = "5"
    & skf21("5","4","1","4","5","1","7","1") = "6"
    & skf21("5","4","1","4","5","2","1","1") = "4"
    & skf21("5","4","1","4","5","2","2","1") = "4"
    & skf21("5","4","1","4","5","2","3","1") = "4"
    & skf21("5","4","1","4","5","2","4","1") = "4"
    & skf21("5","4","1","4","5","2","5","1") = "4"
    & skf21("5","4","1","4","5","2","6","1") = "5"
    & skf21("5","4","1","4","5","2","7","1") = "6"
    & skf21("5","4","1","4","5","3","1","1") = "4"
    & skf21("5","4","1","4","5","3","2","1") = "4"
    & skf21("5","4","1","4","5","3","3","1") = "4"
    & skf21("5","4","1","4","5","3","4","1") = "4"
    & skf21("5","4","1","4","5","3","5","1") = "4"
    & skf21("5","4","1","4","5","3","6","1") = "5"
    & skf21("5","4","1","4","5","3","7","1") = "6"
    & skf21("5","4","1","4","5","4","1","1") = "4"
    & skf21("5","4","1","4","5","4","2","1") = "4"
    & skf21("5","4","1","4","5","4","3","1") = "4"
    & skf21("5","4","1","4","5","4","4","1") = "4"
    & skf21("5","4","1","4","5","4","5","1") = "4"
    & skf21("5","4","1","4","5","4","6","1") = "5"
    & skf21("5","4","1","4","5","4","7","1") = "6"
    & skf21("5","4","1","4","5","5","1","1") = "4"
    & skf21("5","4","1","4","5","5","2","1") = "4"
    & skf21("5","4","1","4","5","5","3","1") = "4"
    & skf21("5","4","1","4","5","5","4","1") = "4"
    & skf21("5","4","1","4","5","5","5","1") = "4"
    & skf21("5","4","1","4","5","5","6","1") = "5"
    & skf21("5","4","1","4","5","5","7","1") = "6"
    & skf21("5","4","1","4","5","6","1","1") = "5"
    & skf21("5","4","1","4","5","6","2","1") = "5"
    & skf21("5","4","1","4","5","6","3","1") = "5"
    & skf21("5","4","1","4","5","6","4","1") = "5"
    & skf21("5","4","1","4","5","6","5","1") = "5"
    & skf21("5","4","1","4","5","6","6","1") = "5"
    & skf21("5","4","1","4","5","6","7","1") = "6"
    & skf21("5","4","1","4","5","7","1","1") = "6"
    & skf21("5","4","1","4","5","7","2","1") = "6"
    & skf21("5","4","1","4","5","7","3","1") = "6"
    & skf21("5","4","1","4","5","7","4","1") = "6"
    & skf21("5","4","1","4","5","7","5","1") = "6"
    & skf21("5","4","1","4","5","7","6","1") = "6"
    & skf21("5","4","1","4","5","7","7","1") = "6"
    & skf21("5","4","1","4","6","1","1","1") = "5"
    & skf21("5","4","1","4","6","1","2","1") = "5"
    & skf21("5","4","1","4","6","1","3","1") = "5"
    & skf21("5","4","1","4","6","1","4","1") = "5"
    & skf21("5","4","1","4","6","1","5","1") = "5"
    & skf21("5","4","1","4","6","1","6","1") = "5"
    & skf21("5","4","1","4","6","1","7","1") = "6"
    & skf21("5","4","1","4","6","2","1","1") = "5"
    & skf21("5","4","1","4","6","2","2","1") = "5"
    & skf21("5","4","1","4","6","2","3","1") = "5"
    & skf21("5","4","1","4","6","2","4","1") = "5"
    & skf21("5","4","1","4","6","2","5","1") = "5"
    & skf21("5","4","1","4","6","2","6","1") = "5"
    & skf21("5","4","1","4","6","2","7","1") = "6"
    & skf21("5","4","1","4","6","3","1","1") = "5"
    & skf21("5","4","1","4","6","3","2","1") = "5"
    & skf21("5","4","1","4","6","3","3","1") = "5"
    & skf21("5","4","1","4","6","3","4","1") = "5"
    & skf21("5","4","1","4","6","3","5","1") = "5"
    & skf21("5","4","1","4","6","3","6","1") = "5"
    & skf21("5","4","1","4","6","3","7","1") = "6"
    & skf21("5","4","1","4","6","4","1","1") = "5"
    & skf21("5","4","1","4","6","4","2","1") = "5"
    & skf21("5","4","1","4","6","4","3","1") = "5"
    & skf21("5","4","1","4","6","4","4","1") = "5"
    & skf21("5","4","1","4","6","4","5","1") = "5"
    & skf21("5","4","1","4","6","4","6","1") = "5"
    & skf21("5","4","1","4","6","4","7","1") = "6"
    & skf21("5","4","1","4","6","5","1","1") = "5"
    & skf21("5","4","1","4","6","5","2","1") = "5"
    & skf21("5","4","1","4","6","5","3","1") = "5"
    & skf21("5","4","1","4","6","5","4","1") = "5"
    & skf21("5","4","1","4","6","5","5","1") = "5"
    & skf21("5","4","1","4","6","5","6","1") = "5"
    & skf21("5","4","1","4","6","5","7","1") = "6"
    & skf21("5","4","1","4","6","6","1","1") = "5"
    & skf21("5","4","1","4","6","6","2","1") = "5"
    & skf21("5","4","1","4","6","6","3","1") = "5"
    & skf21("5","4","1","4","6","6","4","1") = "5"
    & skf21("5","4","1","4","6","6","5","1") = "5"
    & skf21("5","4","1","4","6","6","6","1") = "5"
    & skf21("5","4","1","4","6","6","7","1") = "6"
    & skf21("5","4","1","4","6","7","1","1") = "6"
    & skf21("5","4","1","4","6","7","2","1") = "6"
    & skf21("5","4","1","4","6","7","3","1") = "6"
    & skf21("5","4","1","4","6","7","4","1") = "6"
    & skf21("5","4","1","4","6","7","5","1") = "6"
    & skf21("5","4","1","4","6","7","6","1") = "6"
    & skf21("5","4","1","4","6","7","7","1") = "6"
    & skf21("5","4","1","4","7","1","1","1") = "6"
    & skf21("5","4","1","4","7","1","2","1") = "6"
    & skf21("5","4","1","4","7","1","3","1") = "6"
    & skf21("5","4","1","4","7","1","4","1") = "6"
    & skf21("5","4","1","4","7","1","5","1") = "6"
    & skf21("5","4","1","4","7","1","6","1") = "6"
    & skf21("5","4","1","4","7","1","7","1") = "6"
    & skf21("5","4","1","4","7","2","1","1") = "6"
    & skf21("5","4","1","4","7","2","2","1") = "6"
    & skf21("5","4","1","4","7","2","3","1") = "6"
    & skf21("5","4","1","4","7","2","4","1") = "6"
    & skf21("5","4","1","4","7","2","5","1") = "6"
    & skf21("5","4","1","4","7","2","6","1") = "6"
    & skf21("5","4","1","4","7","2","7","1") = "6"
    & skf21("5","4","1","4","7","3","1","1") = "6"
    & skf21("5","4","1","4","7","3","2","1") = "6"
    & skf21("5","4","1","4","7","3","3","1") = "6"
    & skf21("5","4","1","4","7","3","4","1") = "6"
    & skf21("5","4","1","4","7","3","5","1") = "6"
    & skf21("5","4","1","4","7","3","6","1") = "6"
    & skf21("5","4","1","4","7","3","7","1") = "6"
    & skf21("5","4","1","4","7","4","1","1") = "6"
    & skf21("5","4","1","4","7","4","2","1") = "6"
    & skf21("5","4","1","4","7","4","3","1") = "6"
    & skf21("5","4","1","4","7","4","4","1") = "6"
    & skf21("5","4","1","4","7","4","5","1") = "6"
    & skf21("5","4","1","4","7","4","6","1") = "6"
    & skf21("5","4","1","4","7","4","7","1") = "6"
    & skf21("5","4","1","4","7","5","1","1") = "6"
    & skf21("5","4","1","4","7","5","2","1") = "6"
    & skf21("5","4","1","4","7","5","3","1") = "6"
    & skf21("5","4","1","4","7","5","4","1") = "6"
    & skf21("5","4","1","4","7","5","5","1") = "6"
    & skf21("5","4","1","4","7","5","6","1") = "6"
    & skf21("5","4","1","4","7","5","7","1") = "6"
    & skf21("5","4","1","4","7","6","1","1") = "6"
    & skf21("5","4","1","4","7","6","2","1") = "6"
    & skf21("5","4","1","4","7","6","3","1") = "6"
    & skf21("5","4","1","4","7","6","4","1") = "6"
    & skf21("5","4","1","4","7","6","5","1") = "6"
    & skf21("5","4","1","4","7","6","6","1") = "6"
    & skf21("5","4","1","4","7","6","7","1") = "6"
    & skf21("5","4","1","4","7","7","1","1") = "6"
    & skf21("5","4","1","4","7","7","2","1") = "6"
    & skf21("5","4","1","4","7","7","3","1") = "6"
    & skf21("5","4","1","4","7","7","4","1") = "6"
    & skf21("5","4","1","4","7","7","5","1") = "6"
    & skf21("5","4","1","4","7","7","6","1") = "6"
    & skf21("5","4","1","4","7","7","7","1") = "6"
    & skf21("5","4","1","5","1","1","1","1") = "4"
    & skf21("5","4","1","5","1","1","2","1") = "4"
    & skf21("5","4","1","5","1","1","3","1") = "4"
    & skf21("5","4","1","5","1","1","4","1") = "4"
    & skf21("5","4","1","5","1","1","5","1") = "4"
    & skf21("5","4","1","5","1","1","6","1") = "5"
    & skf21("5","4","1","5","1","1","7","1") = "6"
    & skf21("5","4","1","5","1","2","1","1") = "4"
    & skf21("5","4","1","5","1","2","2","1") = "4"
    & skf21("5","4","1","5","1","2","3","1") = "4"
    & skf21("5","4","1","5","1","2","4","1") = "4"
    & skf21("5","4","1","5","1","2","5","1") = "4"
    & skf21("5","4","1","5","1","2","6","1") = "5"
    & skf21("5","4","1","5","1","2","7","1") = "6"
    & skf21("5","4","1","5","1","3","1","1") = "4"
    & skf21("5","4","1","5","1","3","2","1") = "4"
    & skf21("5","4","1","5","1","3","3","1") = "4"
    & skf21("5","4","1","5","1","3","4","1") = "4"
    & skf21("5","4","1","5","1","3","5","1") = "4"
    & skf21("5","4","1","5","1","3","6","1") = "5"
    & skf21("5","4","1","5","1","3","7","1") = "6"
    & skf21("5","4","1","5","1","4","1","1") = "4"
    & skf21("5","4","1","5","1","4","2","1") = "4"
    & skf21("5","4","1","5","1","4","3","1") = "4"
    & skf21("5","4","1","5","1","4","4","1") = "4"
    & skf21("5","4","1","5","1","4","5","1") = "4"
    & skf21("5","4","1","5","1","4","6","1") = "5"
    & skf21("5","4","1","5","1","4","7","1") = "6"
    & skf21("5","4","1","5","1","5","1","1") = "4"
    & skf21("5","4","1","5","1","5","2","1") = "4"
    & skf21("5","4","1","5","1","5","3","1") = "4"
    & skf21("5","4","1","5","1","5","4","1") = "4"
    & skf21("5","4","1","5","1","5","5","1") = "4"
    & skf21("5","4","1","5","1","5","6","1") = "5"
    & skf21("5","4","1","5","1","5","7","1") = "6"
    & skf21("5","4","1","5","1","6","1","1") = "5"
    & skf21("5","4","1","5","1","6","2","1") = "5"
    & skf21("5","4","1","5","1","6","3","1") = "5"
    & skf21("5","4","1","5","1","6","4","1") = "5"
    & skf21("5","4","1","5","1","6","5","1") = "5"
    & skf21("5","4","1","5","1","6","6","1") = "5"
    & skf21("5","4","1","5","1","6","7","1") = "6"
    & skf21("5","4","1","5","1","7","1","1") = "6"
    & skf21("5","4","1","5","1","7","2","1") = "6"
    & skf21("5","4","1","5","1","7","3","1") = "6"
    & skf21("5","4","1","5","1","7","4","1") = "6"
    & skf21("5","4","1","5","1","7","5","1") = "6"
    & skf21("5","4","1","5","1","7","6","1") = "6"
    & skf21("5","4","1","5","1","7","7","1") = "6"
    & skf21("5","4","1","5","2","1","1","1") = "4"
    & skf21("5","4","1","5","2","1","2","1") = "4"
    & skf21("5","4","1","5","2","1","3","1") = "4"
    & skf21("5","4","1","5","2","1","4","1") = "4"
    & skf21("5","4","1","5","2","1","5","1") = "4"
    & skf21("5","4","1","5","2","1","6","1") = "5"
    & skf21("5","4","1","5","2","1","7","1") = "6"
    & skf21("5","4","1","5","2","2","1","1") = "4"
    & skf21("5","4","1","5","2","2","2","1") = "4"
    & skf21("5","4","1","5","2","2","3","1") = "4"
    & skf21("5","4","1","5","2","2","4","1") = "4"
    & skf21("5","4","1","5","2","2","5","1") = "4"
    & skf21("5","4","1","5","2","2","6","1") = "5"
    & skf21("5","4","1","5","2","2","7","1") = "6"
    & skf21("5","4","1","5","2","3","1","1") = "4"
    & skf21("5","4","1","5","2","3","2","1") = "4"
    & skf21("5","4","1","5","2","3","3","1") = "4"
    & skf21("5","4","1","5","2","3","4","1") = "4"
    & skf21("5","4","1","5","2","3","5","1") = "4"
    & skf21("5","4","1","5","2","3","6","1") = "5"
    & skf21("5","4","1","5","2","3","7","1") = "6"
    & skf21("5","4","1","5","2","4","1","1") = "4"
    & skf21("5","4","1","5","2","4","2","1") = "4"
    & skf21("5","4","1","5","2","4","3","1") = "4"
    & skf21("5","4","1","5","2","4","4","1") = "4"
    & skf21("5","4","1","5","2","4","5","1") = "4"
    & skf21("5","4","1","5","2","4","6","1") = "5"
    & skf21("5","4","1","5","2","4","7","1") = "6"
    & skf21("5","4","1","5","2","5","1","1") = "4"
    & skf21("5","4","1","5","2","5","2","1") = "4"
    & skf21("5","4","1","5","2","5","3","1") = "4"
    & skf21("5","4","1","5","2","5","4","1") = "4"
    & skf21("5","4","1","5","2","5","5","1") = "4"
    & skf21("5","4","1","5","2","5","6","1") = "5"
    & skf21("5","4","1","5","2","5","7","1") = "6"
    & skf21("5","4","1","5","2","6","1","1") = "5"
    & skf21("5","4","1","5","2","6","2","1") = "5"
    & skf21("5","4","1","5","2","6","3","1") = "5"
    & skf21("5","4","1","5","2","6","4","1") = "5"
    & skf21("5","4","1","5","2","6","5","1") = "5"
    & skf21("5","4","1","5","2","6","6","1") = "5"
    & skf21("5","4","1","5","2","6","7","1") = "6"
    & skf21("5","4","1","5","2","7","1","1") = "6"
    & skf21("5","4","1","5","2","7","2","1") = "6"
    & skf21("5","4","1","5","2","7","3","1") = "6"
    & skf21("5","4","1","5","2","7","4","1") = "6"
    & skf21("5","4","1","5","2","7","5","1") = "6"
    & skf21("5","4","1","5","2","7","6","1") = "6"
    & skf21("5","4","1","5","2","7","7","1") = "6"
    & skf21("5","4","1","5","3","1","1","1") = "4"
    & skf21("5","4","1","5","3","1","2","1") = "4"
    & skf21("5","4","1","5","3","1","3","1") = "4"
    & skf21("5","4","1","5","3","1","4","1") = "4"
    & skf21("5","4","1","5","3","1","5","1") = "4"
    & skf21("5","4","1","5","3","1","6","1") = "5"
    & skf21("5","4","1","5","3","1","7","1") = "6"
    & skf21("5","4","1","5","3","2","1","1") = "4"
    & skf21("5","4","1","5","3","2","2","1") = "4"
    & skf21("5","4","1","5","3","2","3","1") = "4"
    & skf21("5","4","1","5","3","2","4","1") = "4"
    & skf21("5","4","1","5","3","2","5","1") = "4"
    & skf21("5","4","1","5","3","2","6","1") = "5"
    & skf21("5","4","1","5","3","2","7","1") = "6"
    & skf21("5","4","1","5","3","3","1","1") = "4"
    & skf21("5","4","1","5","3","3","2","1") = "4"
    & skf21("5","4","1","5","3","3","3","1") = "4"
    & skf21("5","4","1","5","3","3","4","1") = "4"
    & skf21("5","4","1","5","3","3","5","1") = "4"
    & skf21("5","4","1","5","3","3","6","1") = "5"
    & skf21("5","4","1","5","3","3","7","1") = "6"
    & skf21("5","4","1","5","3","4","1","1") = "4"
    & skf21("5","4","1","5","3","4","2","1") = "4"
    & skf21("5","4","1","5","3","4","3","1") = "4"
    & skf21("5","4","1","5","3","4","4","1") = "4"
    & skf21("5","4","1","5","3","4","5","1") = "4"
    & skf21("5","4","1","5","3","4","6","1") = "5"
    & skf21("5","4","1","5","3","4","7","1") = "6"
    & skf21("5","4","1","5","3","5","1","1") = "4"
    & skf21("5","4","1","5","3","5","2","1") = "4"
    & skf21("5","4","1","5","3","5","3","1") = "4"
    & skf21("5","4","1","5","3","5","4","1") = "4"
    & skf21("5","4","1","5","3","5","5","1") = "4"
    & skf21("5","4","1","5","3","5","6","1") = "5"
    & skf21("5","4","1","5","3","5","7","1") = "6"
    & skf21("5","4","1","5","3","6","1","1") = "5"
    & skf21("5","4","1","5","3","6","2","1") = "5"
    & skf21("5","4","1","5","3","6","3","1") = "5"
    & skf21("5","4","1","5","3","6","4","1") = "5"
    & skf21("5","4","1","5","3","6","5","1") = "5"
    & skf21("5","4","1","5","3","6","6","1") = "5"
    & skf21("5","4","1","5","3","6","7","1") = "6"
    & skf21("5","4","1","5","3","7","1","1") = "6"
    & skf21("5","4","1","5","3","7","2","1") = "6"
    & skf21("5","4","1","5","3","7","3","1") = "6"
    & skf21("5","4","1","5","3","7","4","1") = "6"
    & skf21("5","4","1","5","3","7","5","1") = "6"
    & skf21("5","4","1","5","3","7","6","1") = "6"
    & skf21("5","4","1","5","3","7","7","1") = "6"
    & skf21("5","4","1","5","4","1","1","1") = "4"
    & skf21("5","4","1","5","4","1","2","1") = "4"
    & skf21("5","4","1","5","4","1","3","1") = "4"
    & skf21("5","4","1","5","4","1","4","1") = "4"
    & skf21("5","4","1","5","4","1","5","1") = "4"
    & skf21("5","4","1","5","4","1","6","1") = "5"
    & skf21("5","4","1","5","4","1","7","1") = "6"
    & skf21("5","4","1","5","4","2","1","1") = "4"
    & skf21("5","4","1","5","4","2","2","1") = "4"
    & skf21("5","4","1","5","4","2","3","1") = "4"
    & skf21("5","4","1","5","4","2","4","1") = "4"
    & skf21("5","4","1","5","4","2","5","1") = "4"
    & skf21("5","4","1","5","4","2","6","1") = "5"
    & skf21("5","4","1","5","4","2","7","1") = "6"
    & skf21("5","4","1","5","4","3","1","1") = "4"
    & skf21("5","4","1","5","4","3","2","1") = "4"
    & skf21("5","4","1","5","4","3","3","1") = "4"
    & skf21("5","4","1","5","4","3","4","1") = "4"
    & skf21("5","4","1","5","4","3","5","1") = "4"
    & skf21("5","4","1","5","4","3","6","1") = "5"
    & skf21("5","4","1","5","4","3","7","1") = "6"
    & skf21("5","4","1","5","4","4","1","1") = "4"
    & skf21("5","4","1","5","4","4","2","1") = "4"
    & skf21("5","4","1","5","4","4","3","1") = "4"
    & skf21("5","4","1","5","4","4","4","1") = "4"
    & skf21("5","4","1","5","4","4","5","1") = "4"
    & skf21("5","4","1","5","4","4","6","1") = "5"
    & skf21("5","4","1","5","4","4","7","1") = "6"
    & skf21("5","4","1","5","4","5","1","1") = "4"
    & skf21("5","4","1","5","4","5","2","1") = "4"
    & skf21("5","4","1","5","4","5","3","1") = "4"
    & skf21("5","4","1","5","4","5","4","1") = "4"
    & skf21("5","4","1","5","4","5","5","1") = "4"
    & skf21("5","4","1","5","4","5","6","1") = "5"
    & skf21("5","4","1","5","4","5","7","1") = "6"
    & skf21("5","4","1","5","4","6","1","1") = "5"
    & skf21("5","4","1","5","4","6","2","1") = "5"
    & skf21("5","4","1","5","4","6","3","1") = "5"
    & skf21("5","4","1","5","4","6","4","1") = "5"
    & skf21("5","4","1","5","4","6","5","1") = "5"
    & skf21("5","4","1","5","4","6","6","1") = "5"
    & skf21("5","4","1","5","4","6","7","1") = "6"
    & skf21("5","4","1","5","4","7","1","1") = "6"
    & skf21("5","4","1","5","4","7","2","1") = "6"
    & skf21("5","4","1","5","4","7","3","1") = "6"
    & skf21("5","4","1","5","4","7","4","1") = "6"
    & skf21("5","4","1","5","4","7","5","1") = "6"
    & skf21("5","4","1","5","4","7","6","1") = "6"
    & skf21("5","4","1","5","4","7","7","1") = "6"
    & skf21("5","4","1","5","5","1","1","1") = "4"
    & skf21("5","4","1","5","5","1","2","1") = "4"
    & skf21("5","4","1","5","5","1","3","1") = "4"
    & skf21("5","4","1","5","5","1","4","1") = "4"
    & skf21("5","4","1","5","5","1","5","1") = "4"
    & skf21("5","4","1","5","5","1","6","1") = "5"
    & skf21("5","4","1","5","5","1","7","1") = "6"
    & skf21("5","4","1","5","5","2","1","1") = "4"
    & skf21("5","4","1","5","5","2","2","1") = "4"
    & skf21("5","4","1","5","5","2","3","1") = "4"
    & skf21("5","4","1","5","5","2","4","1") = "4"
    & skf21("5","4","1","5","5","2","5","1") = "4"
    & skf21("5","4","1","5","5","2","6","1") = "5"
    & skf21("5","4","1","5","5","2","7","1") = "6"
    & skf21("5","4","1","5","5","3","1","1") = "4"
    & skf21("5","4","1","5","5","3","2","1") = "4"
    & skf21("5","4","1","5","5","3","3","1") = "4"
    & skf21("5","4","1","5","5","3","4","1") = "4"
    & skf21("5","4","1","5","5","3","5","1") = "4"
    & skf21("5","4","1","5","5","3","6","1") = "5"
    & skf21("5","4","1","5","5","3","7","1") = "6"
    & skf21("5","4","1","5","5","4","1","1") = "4"
    & skf21("5","4","1","5","5","4","2","1") = "4"
    & skf21("5","4","1","5","5","4","3","1") = "4"
    & skf21("5","4","1","5","5","4","4","1") = "4"
    & skf21("5","4","1","5","5","4","5","1") = "4"
    & skf21("5","4","1","5","5","4","6","1") = "5"
    & skf21("5","4","1","5","5","4","7","1") = "6"
    & skf21("5","4","1","5","5","5","1","1") = "4"
    & skf21("5","4","1","5","5","5","2","1") = "4"
    & skf21("5","4","1","5","5","5","3","1") = "4"
    & skf21("5","4","1","5","5","5","4","1") = "4"
    & skf21("5","4","1","5","5","5","5","1") = "4"
    & skf21("5","4","1","5","5","5","6","1") = "5"
    & skf21("5","4","1","5","5","5","7","1") = "6"
    & skf21("5","4","1","5","5","6","1","1") = "5"
    & skf21("5","4","1","5","5","6","2","1") = "5"
    & skf21("5","4","1","5","5","6","3","1") = "5"
    & skf21("5","4","1","5","5","6","4","1") = "5"
    & skf21("5","4","1","5","5","6","5","1") = "5"
    & skf21("5","4","1","5","5","6","6","1") = "5"
    & skf21("5","4","1","5","5","6","7","1") = "6"
    & skf21("5","4","1","5","5","7","1","1") = "6"
    & skf21("5","4","1","5","5","7","2","1") = "6"
    & skf21("5","4","1","5","5","7","3","1") = "6"
    & skf21("5","4","1","5","5","7","4","1") = "6"
    & skf21("5","4","1","5","5","7","5","1") = "6"
    & skf21("5","4","1","5","5","7","6","1") = "6"
    & skf21("5","4","1","5","5","7","7","1") = "6"
    & skf21("5","4","1","5","6","1","1","1") = "5"
    & skf21("5","4","1","5","6","1","2","1") = "5"
    & skf21("5","4","1","5","6","1","3","1") = "5"
    & skf21("5","4","1","5","6","1","4","1") = "5"
    & skf21("5","4","1","5","6","1","5","1") = "5"
    & skf21("5","4","1","5","6","1","6","1") = "5"
    & skf21("5","4","1","5","6","1","7","1") = "6"
    & skf21("5","4","1","5","6","2","1","1") = "5"
    & skf21("5","4","1","5","6","2","2","1") = "5"
    & skf21("5","4","1","5","6","2","3","1") = "5"
    & skf21("5","4","1","5","6","2","4","1") = "5"
    & skf21("5","4","1","5","6","2","5","1") = "5"
    & skf21("5","4","1","5","6","2","6","1") = "5"
    & skf21("5","4","1","5","6","2","7","1") = "6"
    & skf21("5","4","1","5","6","3","1","1") = "5"
    & skf21("5","4","1","5","6","3","2","1") = "5"
    & skf21("5","4","1","5","6","3","3","1") = "5"
    & skf21("5","4","1","5","6","3","4","1") = "5"
    & skf21("5","4","1","5","6","3","5","1") = "5"
    & skf21("5","4","1","5","6","3","6","1") = "5"
    & skf21("5","4","1","5","6","3","7","1") = "6"
    & skf21("5","4","1","5","6","4","1","1") = "5"
    & skf21("5","4","1","5","6","4","2","1") = "5"
    & skf21("5","4","1","5","6","4","3","1") = "5"
    & skf21("5","4","1","5","6","4","4","1") = "5"
    & skf21("5","4","1","5","6","4","5","1") = "5"
    & skf21("5","4","1","5","6","4","6","1") = "5"
    & skf21("5","4","1","5","6","4","7","1") = "6"
    & skf21("5","4","1","5","6","5","1","1") = "5"
    & skf21("5","4","1","5","6","5","2","1") = "5"
    & skf21("5","4","1","5","6","5","3","1") = "5"
    & skf21("5","4","1","5","6","5","4","1") = "5"
    & skf21("5","4","1","5","6","5","5","1") = "5"
    & skf21("5","4","1","5","6","5","6","1") = "5"
    & skf21("5","4","1","5","6","5","7","1") = "6"
    & skf21("5","4","1","5","6","6","1","1") = "5"
    & skf21("5","4","1","5","6","6","2","1") = "5"
    & skf21("5","4","1","5","6","6","3","1") = "5"
    & skf21("5","4","1","5","6","6","4","1") = "5"
    & skf21("5","4","1","5","6","6","5","1") = "5"
    & skf21("5","4","1","5","6","6","6","1") = "5"
    & skf21("5","4","1","5","6","6","7","1") = "6"
    & skf21("5","4","1","5","6","7","1","1") = "6"
    & skf21("5","4","1","5","6","7","2","1") = "6"
    & skf21("5","4","1","5","6","7","3","1") = "6"
    & skf21("5","4","1","5","6","7","4","1") = "6"
    & skf21("5","4","1","5","6","7","5","1") = "6"
    & skf21("5","4","1","5","6","7","6","1") = "6"
    & skf21("5","4","1","5","6","7","7","1") = "6"
    & skf21("5","4","1","5","7","1","1","1") = "6"
    & skf21("5","4","1","5","7","1","2","1") = "6"
    & skf21("5","4","1","5","7","1","3","1") = "6"
    & skf21("5","4","1","5","7","1","4","1") = "6"
    & skf21("5","4","1","5","7","1","5","1") = "6"
    & skf21("5","4","1","5","7","1","6","1") = "6"
    & skf21("5","4","1","5","7","1","7","1") = "6"
    & skf21("5","4","1","5","7","2","1","1") = "6"
    & skf21("5","4","1","5","7","2","2","1") = "6"
    & skf21("5","4","1","5","7","2","3","1") = "6"
    & skf21("5","4","1","5","7","2","4","1") = "6"
    & skf21("5","4","1","5","7","2","5","1") = "6"
    & skf21("5","4","1","5","7","2","6","1") = "6"
    & skf21("5","4","1","5","7","2","7","1") = "6"
    & skf21("5","4","1","5","7","3","1","1") = "6"
    & skf21("5","4","1","5","7","3","2","1") = "6"
    & skf21("5","4","1","5","7","3","3","1") = "6"
    & skf21("5","4","1","5","7","3","4","1") = "6"
    & skf21("5","4","1","5","7","3","5","1") = "6"
    & skf21("5","4","1","5","7","3","6","1") = "6"
    & skf21("5","4","1","5","7","3","7","1") = "6"
    & skf21("5","4","1","5","7","4","1","1") = "6"
    & skf21("5","4","1","5","7","4","2","1") = "6"
    & skf21("5","4","1","5","7","4","3","1") = "6"
    & skf21("5","4","1","5","7","4","4","1") = "6"
    & skf21("5","4","1","5","7","4","5","1") = "6"
    & skf21("5","4","1","5","7","4","6","1") = "6"
    & skf21("5","4","1","5","7","4","7","1") = "6"
    & skf21("5","4","1","5","7","5","1","1") = "6"
    & skf21("5","4","1","5","7","5","2","1") = "6"
    & skf21("5","4","1","5","7","5","3","1") = "6"
    & skf21("5","4","1","5","7","5","4","1") = "6"
    & skf21("5","4","1","5","7","5","5","1") = "6"
    & skf21("5","4","1","5","7","5","6","1") = "6"
    & skf21("5","4","1","5","7","5","7","1") = "6"
    & skf21("5","4","1","5","7","6","1","1") = "6"
    & skf21("5","4","1","5","7","6","2","1") = "6"
    & skf21("5","4","1","5","7","6","3","1") = "6"
    & skf21("5","4","1","5","7","6","4","1") = "6"
    & skf21("5","4","1","5","7","6","5","1") = "6"
    & skf21("5","4","1","5","7","6","6","1") = "6"
    & skf21("5","4","1","5","7","6","7","1") = "6"
    & skf21("5","4","1","5","7","7","1","1") = "6"
    & skf21("5","4","1","5","7","7","2","1") = "6"
    & skf21("5","4","1","5","7","7","3","1") = "6"
    & skf21("5","4","1","5","7","7","4","1") = "6"
    & skf21("5","4","1","5","7","7","5","1") = "6"
    & skf21("5","4","1","5","7","7","6","1") = "6"
    & skf21("5","4","1","5","7","7","7","1") = "6"
    & skf21("5","4","1","6","1","1","1","1") = "5"
    & skf21("5","4","1","6","1","1","2","1") = "5"
    & skf21("5","4","1","6","1","1","3","1") = "5"
    & skf21("5","4","1","6","1","1","4","1") = "5"
    & skf21("5","4","1","6","1","1","5","1") = "5"
    & skf21("5","4","1","6","1","1","6","1") = "5"
    & skf21("5","4","1","6","1","1","7","1") = "6"
    & skf21("5","4","1","6","1","2","1","1") = "5"
    & skf21("5","4","1","6","1","2","2","1") = "5"
    & skf21("5","4","1","6","1","2","3","1") = "5"
    & skf21("5","4","1","6","1","2","4","1") = "5"
    & skf21("5","4","1","6","1","2","5","1") = "5"
    & skf21("5","4","1","6","1","2","6","1") = "5"
    & skf21("5","4","1","6","1","2","7","1") = "6"
    & skf21("5","4","1","6","1","3","1","1") = "5"
    & skf21("5","4","1","6","1","3","2","1") = "5"
    & skf21("5","4","1","6","1","3","3","1") = "5"
    & skf21("5","4","1","6","1","3","4","1") = "5"
    & skf21("5","4","1","6","1","3","5","1") = "5"
    & skf21("5","4","1","6","1","3","6","1") = "5"
    & skf21("5","4","1","6","1","3","7","1") = "6"
    & skf21("5","4","1","6","1","4","1","1") = "5"
    & skf21("5","4","1","6","1","4","2","1") = "5"
    & skf21("5","4","1","6","1","4","3","1") = "5"
    & skf21("5","4","1","6","1","4","4","1") = "5"
    & skf21("5","4","1","6","1","4","5","1") = "5"
    & skf21("5","4","1","6","1","4","6","1") = "5"
    & skf21("5","4","1","6","1","4","7","1") = "6"
    & skf21("5","4","1","6","1","5","1","1") = "5"
    & skf21("5","4","1","6","1","5","2","1") = "5"
    & skf21("5","4","1","6","1","5","3","1") = "5"
    & skf21("5","4","1","6","1","5","4","1") = "5"
    & skf21("5","4","1","6","1","5","5","1") = "5"
    & skf21("5","4","1","6","1","5","6","1") = "5"
    & skf21("5","4","1","6","1","5","7","1") = "6"
    & skf21("5","4","1","6","1","6","1","1") = "5"
    & skf21("5","4","1","6","1","6","2","1") = "5"
    & skf21("5","4","1","6","1","6","3","1") = "5"
    & skf21("5","4","1","6","1","6","4","1") = "5"
    & skf21("5","4","1","6","1","6","5","1") = "5"
    & skf21("5","4","1","6","1","6","6","1") = "5"
    & skf21("5","4","1","6","1","6","7","1") = "6"
    & skf21("5","4","1","6","1","7","1","1") = "6"
    & skf21("5","4","1","6","1","7","2","1") = "6"
    & skf21("5","4","1","6","1","7","3","1") = "6"
    & skf21("5","4","1","6","1","7","4","1") = "6"
    & skf21("5","4","1","6","1","7","5","1") = "6"
    & skf21("5","4","1","6","1","7","6","1") = "6"
    & skf21("5","4","1","6","1","7","7","1") = "6"
    & skf21("5","4","1","6","2","1","1","1") = "5"
    & skf21("5","4","1","6","2","1","2","1") = "5"
    & skf21("5","4","1","6","2","1","3","1") = "5"
    & skf21("5","4","1","6","2","1","4","1") = "5"
    & skf21("5","4","1","6","2","1","5","1") = "5"
    & skf21("5","4","1","6","2","1","6","1") = "5"
    & skf21("5","4","1","6","2","1","7","1") = "6"
    & skf21("5","4","1","6","2","2","1","1") = "5"
    & skf21("5","4","1","6","2","2","2","1") = "5"
    & skf21("5","4","1","6","2","2","3","1") = "5"
    & skf21("5","4","1","6","2","2","4","1") = "5"
    & skf21("5","4","1","6","2","2","5","1") = "5"
    & skf21("5","4","1","6","2","2","6","1") = "5"
    & skf21("5","4","1","6","2","2","7","1") = "6"
    & skf21("5","4","1","6","2","3","1","1") = "5"
    & skf21("5","4","1","6","2","3","2","1") = "5"
    & skf21("5","4","1","6","2","3","3","1") = "5"
    & skf21("5","4","1","6","2","3","4","1") = "5"
    & skf21("5","4","1","6","2","3","5","1") = "5"
    & skf21("5","4","1","6","2","3","6","1") = "5"
    & skf21("5","4","1","6","2","3","7","1") = "6"
    & skf21("5","4","1","6","2","4","1","1") = "5"
    & skf21("5","4","1","6","2","4","2","1") = "5"
    & skf21("5","4","1","6","2","4","3","1") = "5"
    & skf21("5","4","1","6","2","4","4","1") = "5"
    & skf21("5","4","1","6","2","4","5","1") = "5"
    & skf21("5","4","1","6","2","4","6","1") = "5"
    & skf21("5","4","1","6","2","4","7","1") = "6"
    & skf21("5","4","1","6","2","5","1","1") = "5"
    & skf21("5","4","1","6","2","5","2","1") = "5"
    & skf21("5","4","1","6","2","5","3","1") = "5"
    & skf21("5","4","1","6","2","5","4","1") = "5"
    & skf21("5","4","1","6","2","5","5","1") = "5"
    & skf21("5","4","1","6","2","5","6","1") = "5"
    & skf21("5","4","1","6","2","5","7","1") = "6"
    & skf21("5","4","1","6","2","6","1","1") = "5"
    & skf21("5","4","1","6","2","6","2","1") = "5"
    & skf21("5","4","1","6","2","6","3","1") = "5"
    & skf21("5","4","1","6","2","6","4","1") = "5"
    & skf21("5","4","1","6","2","6","5","1") = "5"
    & skf21("5","4","1","6","2","6","6","1") = "5"
    & skf21("5","4","1","6","2","6","7","1") = "6"
    & skf21("5","4","1","6","2","7","1","1") = "6"
    & skf21("5","4","1","6","2","7","2","1") = "6"
    & skf21("5","4","1","6","2","7","3","1") = "6"
    & skf21("5","4","1","6","2","7","4","1") = "6"
    & skf21("5","4","1","6","2","7","5","1") = "6"
    & skf21("5","4","1","6","2","7","6","1") = "6"
    & skf21("5","4","1","6","2","7","7","1") = "6"
    & skf21("5","4","1","6","3","1","1","1") = "5"
    & skf21("5","4","1","6","3","1","2","1") = "5"
    & skf21("5","4","1","6","3","1","3","1") = "5"
    & skf21("5","4","1","6","3","1","4","1") = "5"
    & skf21("5","4","1","6","3","1","5","1") = "5"
    & skf21("5","4","1","6","3","1","6","1") = "5"
    & skf21("5","4","1","6","3","1","7","1") = "6"
    & skf21("5","4","1","6","3","2","1","1") = "5"
    & skf21("5","4","1","6","3","2","2","1") = "5"
    & skf21("5","4","1","6","3","2","3","1") = "5"
    & skf21("5","4","1","6","3","2","4","1") = "5"
    & skf21("5","4","1","6","3","2","5","1") = "5"
    & skf21("5","4","1","6","3","2","6","1") = "5"
    & skf21("5","4","1","6","3","2","7","1") = "6"
    & skf21("5","4","1","6","3","3","1","1") = "5"
    & skf21("5","4","1","6","3","3","2","1") = "5"
    & skf21("5","4","1","6","3","3","3","1") = "5"
    & skf21("5","4","1","6","3","3","4","1") = "5"
    & skf21("5","4","1","6","3","3","5","1") = "5"
    & skf21("5","4","1","6","3","3","6","1") = "5"
    & skf21("5","4","1","6","3","3","7","1") = "6"
    & skf21("5","4","1","6","3","4","1","1") = "5"
    & skf21("5","4","1","6","3","4","2","1") = "5"
    & skf21("5","4","1","6","3","4","3","1") = "5"
    & skf21("5","4","1","6","3","4","4","1") = "5"
    & skf21("5","4","1","6","3","4","5","1") = "5"
    & skf21("5","4","1","6","3","4","6","1") = "5"
    & skf21("5","4","1","6","3","4","7","1") = "6"
    & skf21("5","4","1","6","3","5","1","1") = "5"
    & skf21("5","4","1","6","3","5","2","1") = "5"
    & skf21("5","4","1","6","3","5","3","1") = "5"
    & skf21("5","4","1","6","3","5","4","1") = "5"
    & skf21("5","4","1","6","3","5","5","1") = "5"
    & skf21("5","4","1","6","3","5","6","1") = "5"
    & skf21("5","4","1","6","3","5","7","1") = "6"
    & skf21("5","4","1","6","3","6","1","1") = "5"
    & skf21("5","4","1","6","3","6","2","1") = "5"
    & skf21("5","4","1","6","3","6","3","1") = "5"
    & skf21("5","4","1","6","3","6","4","1") = "5"
    & skf21("5","4","1","6","3","6","5","1") = "5"
    & skf21("5","4","1","6","3","6","6","1") = "5"
    & skf21("5","4","1","6","3","6","7","1") = "6"
    & skf21("5","4","1","6","3","7","1","1") = "6"
    & skf21("5","4","1","6","3","7","2","1") = "6"
    & skf21("5","4","1","6","3","7","3","1") = "6"
    & skf21("5","4","1","6","3","7","4","1") = "6"
    & skf21("5","4","1","6","3","7","5","1") = "6"
    & skf21("5","4","1","6","3","7","6","1") = "6"
    & skf21("5","4","1","6","3","7","7","1") = "6"
    & skf21("5","4","1","6","4","1","1","1") = "5"
    & skf21("5","4","1","6","4","1","2","1") = "5"
    & skf21("5","4","1","6","4","1","3","1") = "5"
    & skf21("5","4","1","6","4","1","4","1") = "5"
    & skf21("5","4","1","6","4","1","5","1") = "5"
    & skf21("5","4","1","6","4","1","6","1") = "5"
    & skf21("5","4","1","6","4","1","7","1") = "6"
    & skf21("5","4","1","6","4","2","1","1") = "5"
    & skf21("5","4","1","6","4","2","2","1") = "5"
    & skf21("5","4","1","6","4","2","3","1") = "5"
    & skf21("5","4","1","6","4","2","4","1") = "5"
    & skf21("5","4","1","6","4","2","5","1") = "5"
    & skf21("5","4","1","6","4","2","6","1") = "5"
    & skf21("5","4","1","6","4","2","7","1") = "6"
    & skf21("5","4","1","6","4","3","1","1") = "5"
    & skf21("5","4","1","6","4","3","2","1") = "5"
    & skf21("5","4","1","6","4","3","3","1") = "5"
    & skf21("5","4","1","6","4","3","4","1") = "5"
    & skf21("5","4","1","6","4","3","5","1") = "5"
    & skf21("5","4","1","6","4","3","6","1") = "5"
    & skf21("5","4","1","6","4","3","7","1") = "6"
    & skf21("5","4","1","6","4","4","1","1") = "5"
    & skf21("5","4","1","6","4","4","2","1") = "5"
    & skf21("5","4","1","6","4","4","3","1") = "5"
    & skf21("5","4","1","6","4","4","4","1") = "5"
    & skf21("5","4","1","6","4","4","5","1") = "5"
    & skf21("5","4","1","6","4","4","6","1") = "5"
    & skf21("5","4","1","6","4","4","7","1") = "6"
    & skf21("5","4","1","6","4","5","1","1") = "5"
    & skf21("5","4","1","6","4","5","2","1") = "5"
    & skf21("5","4","1","6","4","5","3","1") = "5"
    & skf21("5","4","1","6","4","5","4","1") = "5"
    & skf21("5","4","1","6","4","5","5","1") = "5"
    & skf21("5","4","1","6","4","5","6","1") = "5"
    & skf21("5","4","1","6","4","5","7","1") = "6"
    & skf21("5","4","1","6","4","6","1","1") = "5"
    & skf21("5","4","1","6","4","6","2","1") = "5"
    & skf21("5","4","1","6","4","6","3","1") = "5"
    & skf21("5","4","1","6","4","6","4","1") = "5"
    & skf21("5","4","1","6","4","6","5","1") = "5"
    & skf21("5","4","1","6","4","6","6","1") = "5"
    & skf21("5","4","1","6","4","6","7","1") = "6"
    & skf21("5","4","1","6","4","7","1","1") = "6"
    & skf21("5","4","1","6","4","7","2","1") = "6"
    & skf21("5","4","1","6","4","7","3","1") = "6"
    & skf21("5","4","1","6","4","7","4","1") = "6"
    & skf21("5","4","1","6","4","7","5","1") = "6"
    & skf21("5","4","1","6","4","7","6","1") = "6"
    & skf21("5","4","1","6","4","7","7","1") = "6"
    & skf21("5","4","1","6","5","1","1","1") = "5"
    & skf21("5","4","1","6","5","1","2","1") = "5"
    & skf21("5","4","1","6","5","1","3","1") = "5"
    & skf21("5","4","1","6","5","1","4","1") = "5"
    & skf21("5","4","1","6","5","1","5","1") = "5"
    & skf21("5","4","1","6","5","1","6","1") = "5"
    & skf21("5","4","1","6","5","1","7","1") = "6"
    & skf21("5","4","1","6","5","2","1","1") = "5"
    & skf21("5","4","1","6","5","2","2","1") = "5"
    & skf21("5","4","1","6","5","2","3","1") = "5"
    & skf21("5","4","1","6","5","2","4","1") = "5"
    & skf21("5","4","1","6","5","2","5","1") = "5"
    & skf21("5","4","1","6","5","2","6","1") = "5"
    & skf21("5","4","1","6","5","2","7","1") = "6"
    & skf21("5","4","1","6","5","3","1","1") = "5"
    & skf21("5","4","1","6","5","3","2","1") = "5"
    & skf21("5","4","1","6","5","3","3","1") = "5"
    & skf21("5","4","1","6","5","3","4","1") = "5"
    & skf21("5","4","1","6","5","3","5","1") = "5"
    & skf21("5","4","1","6","5","3","6","1") = "5"
    & skf21("5","4","1","6","5","3","7","1") = "6"
    & skf21("5","4","1","6","5","4","1","1") = "5"
    & skf21("5","4","1","6","5","4","2","1") = "5"
    & skf21("5","4","1","6","5","4","3","1") = "5"
    & skf21("5","4","1","6","5","4","4","1") = "5"
    & skf21("5","4","1","6","5","4","5","1") = "5"
    & skf21("5","4","1","6","5","4","6","1") = "5"
    & skf21("5","4","1","6","5","4","7","1") = "6"
    & skf21("5","4","1","6","5","5","1","1") = "5"
    & skf21("5","4","1","6","5","5","2","1") = "5"
    & skf21("5","4","1","6","5","5","3","1") = "5"
    & skf21("5","4","1","6","5","5","4","1") = "5"
    & skf21("5","4","1","6","5","5","5","1") = "5"
    & skf21("5","4","1","6","5","5","6","1") = "5"
    & skf21("5","4","1","6","5","5","7","1") = "6"
    & skf21("5","4","1","6","5","6","1","1") = "5"
    & skf21("5","4","1","6","5","6","2","1") = "5"
    & skf21("5","4","1","6","5","6","3","1") = "5"
    & skf21("5","4","1","6","5","6","4","1") = "5"
    & skf21("5","4","1","6","5","6","5","1") = "5"
    & skf21("5","4","1","6","5","6","6","1") = "5"
    & skf21("5","4","1","6","5","6","7","1") = "6"
    & skf21("5","4","1","6","5","7","1","1") = "6"
    & skf21("5","4","1","6","5","7","2","1") = "6"
    & skf21("5","4","1","6","5","7","3","1") = "6"
    & skf21("5","4","1","6","5","7","4","1") = "6"
    & skf21("5","4","1","6","5","7","5","1") = "6"
    & skf21("5","4","1","6","5","7","6","1") = "6"
    & skf21("5","4","1","6","5","7","7","1") = "6"
    & skf21("5","4","1","6","6","1","1","1") = "5"
    & skf21("5","4","1","6","6","1","2","1") = "5"
    & skf21("5","4","1","6","6","1","3","1") = "5"
    & skf21("5","4","1","6","6","1","4","1") = "5"
    & skf21("5","4","1","6","6","1","5","1") = "5"
    & skf21("5","4","1","6","6","1","6","1") = "5"
    & skf21("5","4","1","6","6","1","7","1") = "6"
    & skf21("5","4","1","6","6","2","1","1") = "5"
    & skf21("5","4","1","6","6","2","2","1") = "5"
    & skf21("5","4","1","6","6","2","3","1") = "5"
    & skf21("5","4","1","6","6","2","4","1") = "5"
    & skf21("5","4","1","6","6","2","5","1") = "5"
    & skf21("5","4","1","6","6","2","6","1") = "5"
    & skf21("5","4","1","6","6","2","7","1") = "6"
    & skf21("5","4","1","6","6","3","1","1") = "5"
    & skf21("5","4","1","6","6","3","2","1") = "5"
    & skf21("5","4","1","6","6","3","3","1") = "5"
    & skf21("5","4","1","6","6","3","4","1") = "5"
    & skf21("5","4","1","6","6","3","5","1") = "5"
    & skf21("5","4","1","6","6","3","6","1") = "5"
    & skf21("5","4","1","6","6","3","7","1") = "6"
    & skf21("5","4","1","6","6","4","1","1") = "5"
    & skf21("5","4","1","6","6","4","2","1") = "5"
    & skf21("5","4","1","6","6","4","3","1") = "5"
    & skf21("5","4","1","6","6","4","4","1") = "5"
    & skf21("5","4","1","6","6","4","5","1") = "5"
    & skf21("5","4","1","6","6","4","6","1") = "5"
    & skf21("5","4","1","6","6","4","7","1") = "6"
    & skf21("5","4","1","6","6","5","1","1") = "5"
    & skf21("5","4","1","6","6","5","2","1") = "5"
    & skf21("5","4","1","6","6","5","3","1") = "5"
    & skf21("5","4","1","6","6","5","4","1") = "5"
    & skf21("5","4","1","6","6","5","5","1") = "5"
    & skf21("5","4","1","6","6","5","6","1") = "5"
    & skf21("5","4","1","6","6","5","7","1") = "6"
    & skf21("5","4","1","6","6","6","1","1") = "5"
    & skf21("5","4","1","6","6","6","2","1") = "5"
    & skf21("5","4","1","6","6","6","3","1") = "5"
    & skf21("5","4","1","6","6","6","4","1") = "5"
    & skf21("5","4","1","6","6","6","5","1") = "5"
    & skf21("5","4","1","6","6","6","6","1") = "5"
    & skf21("5","4","1","6","6","6","7","1") = "6"
    & skf21("5","4","1","6","6","7","1","1") = "6"
    & skf21("5","4","1","6","6","7","2","1") = "6"
    & skf21("5","4","1","6","6","7","3","1") = "6"
    & skf21("5","4","1","6","6","7","4","1") = "6"
    & skf21("5","4","1","6","6","7","5","1") = "6"
    & skf21("5","4","1","6","6","7","6","1") = "6"
    & skf21("5","4","1","6","6","7","7","1") = "6"
    & skf21("5","4","1","6","7","1","1","1") = "6"
    & skf21("5","4","1","6","7","1","2","1") = "6"
    & skf21("5","4","1","6","7","1","3","1") = "6"
    & skf21("5","4","1","6","7","1","4","1") = "6"
    & skf21("5","4","1","6","7","1","5","1") = "6"
    & skf21("5","4","1","6","7","1","6","1") = "6"
    & skf21("5","4","1","6","7","1","7","1") = "6"
    & skf21("5","4","1","6","7","2","1","1") = "6"
    & skf21("5","4","1","6","7","2","2","1") = "6"
    & skf21("5","4","1","6","7","2","3","1") = "6"
    & skf21("5","4","1","6","7","2","4","1") = "6"
    & skf21("5","4","1","6","7","2","5","1") = "6"
    & skf21("5","4","1","6","7","2","6","1") = "6"
    & skf21("5","4","1","6","7","2","7","1") = "6"
    & skf21("5","4","1","6","7","3","1","1") = "6"
    & skf21("5","4","1","6","7","3","2","1") = "6"
    & skf21("5","4","1","6","7","3","3","1") = "6"
    & skf21("5","4","1","6","7","3","4","1") = "6"
    & skf21("5","4","1","6","7","3","5","1") = "6"
    & skf21("5","4","1","6","7","3","6","1") = "6"
    & skf21("5","4","1","6","7","3","7","1") = "6"
    & skf21("5","4","1","6","7","4","1","1") = "6"
    & skf21("5","4","1","6","7","4","2","1") = "6"
    & skf21("5","4","1","6","7","4","3","1") = "6"
    & skf21("5","4","1","6","7","4","4","1") = "6"
    & skf21("5","4","1","6","7","4","5","1") = "6"
    & skf21("5","4","1","6","7","4","6","1") = "6"
    & skf21("5","4","1","6","7","4","7","1") = "6"
    & skf21("5","4","1","6","7","5","1","1") = "6"
    & skf21("5","4","1","6","7","5","2","1") = "6"
    & skf21("5","4","1","6","7","5","3","1") = "6"
    & skf21("5","4","1","6","7","5","4","1") = "6"
    & skf21("5","4","1","6","7","5","5","1") = "6"
    & skf21("5","4","1","6","7","5","6","1") = "6"
    & skf21("5","4","1","6","7","5","7","1") = "6"
    & skf21("5","4","1","6","7","6","1","1") = "6"
    & skf21("5","4","1","6","7","6","2","1") = "6"
    & skf21("5","4","1","6","7","6","3","1") = "6"
    & skf21("5","4","1","6","7","6","4","1") = "6"
    & skf21("5","4","1","6","7","6","5","1") = "6"
    & skf21("5","4","1","6","7","6","6","1") = "6"
    & skf21("5","4","1","6","7","6","7","1") = "6"
    & skf21("5","4","1","6","7","7","1","1") = "6"
    & skf21("5","4","1","6","7","7","2","1") = "6"
    & skf21("5","4","1","6","7","7","3","1") = "6"
    & skf21("5","4","1","6","7","7","4","1") = "6"
    & skf21("5","4","1","6","7","7","5","1") = "6"
    & skf21("5","4","1","6","7","7","6","1") = "6"
    & skf21("5","4","1","6","7","7","7","1") = "6"
    & skf21("5","4","1","7","1","1","1","1") = "6"
    & skf21("5","4","1","7","1","1","2","1") = "6"
    & skf21("5","4","1","7","1","1","3","1") = "6"
    & skf21("5","4","1","7","1","1","4","1") = "6"
    & skf21("5","4","1","7","1","1","5","1") = "6"
    & skf21("5","4","1","7","1","1","6","1") = "6"
    & skf21("5","4","1","7","1","1","7","1") = "6"
    & skf21("5","4","1","7","1","2","1","1") = "6"
    & skf21("5","4","1","7","1","2","2","1") = "6"
    & skf21("5","4","1","7","1","2","3","1") = "6"
    & skf21("5","4","1","7","1","2","4","1") = "6"
    & skf21("5","4","1","7","1","2","5","1") = "6"
    & skf21("5","4","1","7","1","2","6","1") = "6"
    & skf21("5","4","1","7","1","2","7","1") = "6"
    & skf21("5","4","1","7","1","3","1","1") = "6"
    & skf21("5","4","1","7","1","3","2","1") = "6"
    & skf21("5","4","1","7","1","3","3","1") = "6"
    & skf21("5","4","1","7","1","3","4","1") = "6"
    & skf21("5","4","1","7","1","3","5","1") = "6"
    & skf21("5","4","1","7","1","3","6","1") = "6"
    & skf21("5","4","1","7","1","3","7","1") = "6"
    & skf21("5","4","1","7","1","4","1","1") = "6"
    & skf21("5","4","1","7","1","4","2","1") = "6"
    & skf21("5","4","1","7","1","4","3","1") = "6"
    & skf21("5","4","1","7","1","4","4","1") = "6"
    & skf21("5","4","1","7","1","4","5","1") = "6"
    & skf21("5","4","1","7","1","4","6","1") = "6"
    & skf21("5","4","1","7","1","4","7","1") = "6"
    & skf21("5","4","1","7","1","5","1","1") = "6"
    & skf21("5","4","1","7","1","5","2","1") = "6"
    & skf21("5","4","1","7","1","5","3","1") = "6"
    & skf21("5","4","1","7","1","5","4","1") = "6"
    & skf21("5","4","1","7","1","5","5","1") = "6"
    & skf21("5","4","1","7","1","5","6","1") = "6"
    & skf21("5","4","1","7","1","5","7","1") = "6"
    & skf21("5","4","1","7","1","6","1","1") = "6"
    & skf21("5","4","1","7","1","6","2","1") = "6"
    & skf21("5","4","1","7","1","6","3","1") = "6"
    & skf21("5","4","1","7","1","6","4","1") = "6"
    & skf21("5","4","1","7","1","6","5","1") = "6"
    & skf21("5","4","1","7","1","6","6","1") = "6"
    & skf21("5","4","1","7","1","6","7","1") = "6"
    & skf21("5","4","1","7","1","7","1","1") = "6"
    & skf21("5","4","1","7","1","7","2","1") = "6"
    & skf21("5","4","1","7","1","7","3","1") = "6"
    & skf21("5","4","1","7","1","7","4","1") = "6"
    & skf21("5","4","1","7","1","7","5","1") = "6"
    & skf21("5","4","1","7","1","7","6","1") = "6"
    & skf21("5","4","1","7","1","7","7","1") = "6"
    & skf21("5","4","1","7","2","1","1","1") = "6"
    & skf21("5","4","1","7","2","1","2","1") = "6"
    & skf21("5","4","1","7","2","1","3","1") = "6"
    & skf21("5","4","1","7","2","1","4","1") = "6"
    & skf21("5","4","1","7","2","1","5","1") = "6"
    & skf21("5","4","1","7","2","1","6","1") = "6"
    & skf21("5","4","1","7","2","1","7","1") = "6"
    & skf21("5","4","1","7","2","2","1","1") = "6"
    & skf21("5","4","1","7","2","2","2","1") = "6"
    & skf21("5","4","1","7","2","2","3","1") = "6"
    & skf21("5","4","1","7","2","2","4","1") = "6"
    & skf21("5","4","1","7","2","2","5","1") = "6"
    & skf21("5","4","1","7","2","2","6","1") = "6"
    & skf21("5","4","1","7","2","2","7","1") = "6"
    & skf21("5","4","1","7","2","3","1","1") = "6"
    & skf21("5","4","1","7","2","3","2","1") = "6"
    & skf21("5","4","1","7","2","3","3","1") = "6"
    & skf21("5","4","1","7","2","3","4","1") = "6"
    & skf21("5","4","1","7","2","3","5","1") = "6"
    & skf21("5","4","1","7","2","3","6","1") = "6"
    & skf21("5","4","1","7","2","3","7","1") = "6"
    & skf21("5","4","1","7","2","4","1","1") = "6"
    & skf21("5","4","1","7","2","4","2","1") = "6"
    & skf21("5","4","1","7","2","4","3","1") = "6"
    & skf21("5","4","1","7","2","4","4","1") = "6"
    & skf21("5","4","1","7","2","4","5","1") = "6"
    & skf21("5","4","1","7","2","4","6","1") = "6"
    & skf21("5","4","1","7","2","4","7","1") = "6"
    & skf21("5","4","1","7","2","5","1","1") = "6"
    & skf21("5","4","1","7","2","5","2","1") = "6"
    & skf21("5","4","1","7","2","5","3","1") = "6"
    & skf21("5","4","1","7","2","5","4","1") = "6"
    & skf21("5","4","1","7","2","5","5","1") = "6"
    & skf21("5","4","1","7","2","5","6","1") = "6"
    & skf21("5","4","1","7","2","5","7","1") = "6"
    & skf21("5","4","1","7","2","6","1","1") = "6"
    & skf21("5","4","1","7","2","6","2","1") = "6"
    & skf21("5","4","1","7","2","6","3","1") = "6"
    & skf21("5","4","1","7","2","6","4","1") = "6"
    & skf21("5","4","1","7","2","6","5","1") = "6"
    & skf21("5","4","1","7","2","6","6","1") = "6"
    & skf21("5","4","1","7","2","6","7","1") = "6"
    & skf21("5","4","1","7","2","7","1","1") = "6"
    & skf21("5","4","1","7","2","7","2","1") = "6"
    & skf21("5","4","1","7","2","7","3","1") = "6"
    & skf21("5","4","1","7","2","7","4","1") = "6"
    & skf21("5","4","1","7","2","7","5","1") = "6"
    & skf21("5","4","1","7","2","7","6","1") = "6"
    & skf21("5","4","1","7","2","7","7","1") = "6"
    & skf21("5","4","1","7","3","1","1","1") = "6"
    & skf21("5","4","1","7","3","1","2","1") = "6"
    & skf21("5","4","1","7","3","1","3","1") = "6"
    & skf21("5","4","1","7","3","1","4","1") = "6"
    & skf21("5","4","1","7","3","1","5","1") = "6"
    & skf21("5","4","1","7","3","1","6","1") = "6"
    & skf21("5","4","1","7","3","1","7","1") = "6"
    & skf21("5","4","1","7","3","2","1","1") = "6"
    & skf21("5","4","1","7","3","2","2","1") = "6"
    & skf21("5","4","1","7","3","2","3","1") = "6"
    & skf21("5","4","1","7","3","2","4","1") = "6"
    & skf21("5","4","1","7","3","2","5","1") = "6"
    & skf21("5","4","1","7","3","2","6","1") = "6"
    & skf21("5","4","1","7","3","2","7","1") = "6"
    & skf21("5","4","1","7","3","3","1","1") = "6"
    & skf21("5","4","1","7","3","3","2","1") = "6"
    & skf21("5","4","1","7","3","3","3","1") = "6"
    & skf21("5","4","1","7","3","3","4","1") = "6"
    & skf21("5","4","1","7","3","3","5","1") = "6"
    & skf21("5","4","1","7","3","3","6","1") = "6"
    & skf21("5","4","1","7","3","3","7","1") = "6"
    & skf21("5","4","1","7","3","4","1","1") = "6"
    & skf21("5","4","1","7","3","4","2","1") = "6"
    & skf21("5","4","1","7","3","4","3","1") = "6"
    & skf21("5","4","1","7","3","4","4","1") = "6"
    & skf21("5","4","1","7","3","4","5","1") = "6"
    & skf21("5","4","1","7","3","4","6","1") = "6"
    & skf21("5","4","1","7","3","4","7","1") = "6"
    & skf21("5","4","1","7","3","5","1","1") = "6"
    & skf21("5","4","1","7","3","5","2","1") = "6"
    & skf21("5","4","1","7","3","5","3","1") = "6"
    & skf21("5","4","1","7","3","5","4","1") = "6"
    & skf21("5","4","1","7","3","5","5","1") = "6"
    & skf21("5","4","1","7","3","5","6","1") = "6"
    & skf21("5","4","1","7","3","5","7","1") = "6"
    & skf21("5","4","1","7","3","6","1","1") = "6"
    & skf21("5","4","1","7","3","6","2","1") = "6"
    & skf21("5","4","1","7","3","6","3","1") = "6"
    & skf21("5","4","1","7","3","6","4","1") = "6"
    & skf21("5","4","1","7","3","6","5","1") = "6"
    & skf21("5","4","1","7","3","6","6","1") = "6"
    & skf21("5","4","1","7","3","6","7","1") = "6"
    & skf21("5","4","1","7","3","7","1","1") = "6"
    & skf21("5","4","1","7","3","7","2","1") = "6"
    & skf21("5","4","1","7","3","7","3","1") = "6"
    & skf21("5","4","1","7","3","7","4","1") = "6"
    & skf21("5","4","1","7","3","7","5","1") = "6"
    & skf21("5","4","1","7","3","7","6","1") = "6"
    & skf21("5","4","1","7","3","7","7","1") = "6"
    & skf21("5","4","1","7","4","1","1","1") = "6"
    & skf21("5","4","1","7","4","1","2","1") = "6"
    & skf21("5","4","1","7","4","1","3","1") = "6"
    & skf21("5","4","1","7","4","1","4","1") = "6"
    & skf21("5","4","1","7","4","1","5","1") = "6"
    & skf21("5","4","1","7","4","1","6","1") = "6"
    & skf21("5","4","1","7","4","1","7","1") = "6"
    & skf21("5","4","1","7","4","2","1","1") = "6"
    & skf21("5","4","1","7","4","2","2","1") = "6"
    & skf21("5","4","1","7","4","2","3","1") = "6"
    & skf21("5","4","1","7","4","2","4","1") = "6"
    & skf21("5","4","1","7","4","2","5","1") = "6"
    & skf21("5","4","1","7","4","2","6","1") = "6"
    & skf21("5","4","1","7","4","2","7","1") = "6"
    & skf21("5","4","1","7","4","3","1","1") = "6"
    & skf21("5","4","1","7","4","3","2","1") = "6"
    & skf21("5","4","1","7","4","3","3","1") = "6"
    & skf21("5","4","1","7","4","3","4","1") = "6"
    & skf21("5","4","1","7","4","3","5","1") = "6"
    & skf21("5","4","1","7","4","3","6","1") = "6"
    & skf21("5","4","1","7","4","3","7","1") = "6"
    & skf21("5","4","1","7","4","4","1","1") = "6"
    & skf21("5","4","1","7","4","4","2","1") = "6"
    & skf21("5","4","1","7","4","4","3","1") = "6"
    & skf21("5","4","1","7","4","4","4","1") = "6"
    & skf21("5","4","1","7","4","4","5","1") = "6"
    & skf21("5","4","1","7","4","4","6","1") = "6"
    & skf21("5","4","1","7","4","4","7","1") = "6"
    & skf21("5","4","1","7","4","5","1","1") = "6"
    & skf21("5","4","1","7","4","5","2","1") = "6"
    & skf21("5","4","1","7","4","5","3","1") = "6"
    & skf21("5","4","1","7","4","5","4","1") = "6"
    & skf21("5","4","1","7","4","5","5","1") = "6"
    & skf21("5","4","1","7","4","5","6","1") = "6"
    & skf21("5","4","1","7","4","5","7","1") = "6"
    & skf21("5","4","1","7","4","6","1","1") = "6"
    & skf21("5","4","1","7","4","6","2","1") = "6"
    & skf21("5","4","1","7","4","6","3","1") = "6"
    & skf21("5","4","1","7","4","6","4","1") = "6"
    & skf21("5","4","1","7","4","6","5","1") = "6"
    & skf21("5","4","1","7","4","6","6","1") = "6"
    & skf21("5","4","1","7","4","6","7","1") = "6"
    & skf21("5","4","1","7","4","7","1","1") = "6"
    & skf21("5","4","1","7","4","7","2","1") = "6"
    & skf21("5","4","1","7","4","7","3","1") = "6"
    & skf21("5","4","1","7","4","7","4","1") = "6"
    & skf21("5","4","1","7","4","7","5","1") = "6"
    & skf21("5","4","1","7","4","7","6","1") = "6"
    & skf21("5","4","1","7","4","7","7","1") = "6"
    & skf21("5","4","1","7","5","1","1","1") = "6"
    & skf21("5","4","1","7","5","1","2","1") = "6"
    & skf21("5","4","1","7","5","1","3","1") = "6"
    & skf21("5","4","1","7","5","1","4","1") = "6"
    & skf21("5","4","1","7","5","1","5","1") = "6"
    & skf21("5","4","1","7","5","1","6","1") = "6"
    & skf21("5","4","1","7","5","1","7","1") = "6"
    & skf21("5","4","1","7","5","2","1","1") = "6"
    & skf21("5","4","1","7","5","2","2","1") = "6"
    & skf21("5","4","1","7","5","2","3","1") = "6"
    & skf21("5","4","1","7","5","2","4","1") = "6"
    & skf21("5","4","1","7","5","2","5","1") = "6"
    & skf21("5","4","1","7","5","2","6","1") = "6"
    & skf21("5","4","1","7","5","2","7","1") = "6"
    & skf21("5","4","1","7","5","3","1","1") = "6"
    & skf21("5","4","1","7","5","3","2","1") = "6"
    & skf21("5","4","1","7","5","3","3","1") = "6"
    & skf21("5","4","1","7","5","3","4","1") = "6"
    & skf21("5","4","1","7","5","3","5","1") = "6"
    & skf21("5","4","1","7","5","3","6","1") = "6"
    & skf21("5","4","1","7","5","3","7","1") = "6"
    & skf21("5","4","1","7","5","4","1","1") = "6"
    & skf21("5","4","1","7","5","4","2","1") = "6"
    & skf21("5","4","1","7","5","4","3","1") = "6"
    & skf21("5","4","1","7","5","4","4","1") = "6"
    & skf21("5","4","1","7","5","4","5","1") = "6"
    & skf21("5","4","1","7","5","4","6","1") = "6"
    & skf21("5","4","1","7","5","4","7","1") = "6"
    & skf21("5","4","1","7","5","5","1","1") = "6"
    & skf21("5","4","1","7","5","5","2","1") = "6"
    & skf21("5","4","1","7","5","5","3","1") = "6"
    & skf21("5","4","1","7","5","5","4","1") = "6"
    & skf21("5","4","1","7","5","5","5","1") = "6"
    & skf21("5","4","1","7","5","5","6","1") = "6"
    & skf21("5","4","1","7","5","5","7","1") = "6"
    & skf21("5","4","1","7","5","6","1","1") = "6"
    & skf21("5","4","1","7","5","6","2","1") = "6"
    & skf21("5","4","1","7","5","6","3","1") = "6"
    & skf21("5","4","1","7","5","6","4","1") = "6"
    & skf21("5","4","1","7","5","6","5","1") = "6"
    & skf21("5","4","1","7","5","6","6","1") = "6"
    & skf21("5","4","1","7","5","6","7","1") = "6"
    & skf21("5","4","1","7","5","7","1","1") = "6"
    & skf21("5","4","1","7","5","7","2","1") = "6"
    & skf21("5","4","1","7","5","7","3","1") = "6"
    & skf21("5","4","1","7","5","7","4","1") = "6"
    & skf21("5","4","1","7","5","7","5","1") = "6"
    & skf21("5","4","1","7","5","7","6","1") = "6"
    & skf21("5","4","1","7","5","7","7","1") = "6"
    & skf21("5","4","1","7","6","1","1","1") = "6"
    & skf21("5","4","1","7","6","1","2","1") = "6"
    & skf21("5","4","1","7","6","1","3","1") = "6"
    & skf21("5","4","1","7","6","1","4","1") = "6"
    & skf21("5","4","1","7","6","1","5","1") = "6"
    & skf21("5","4","1","7","6","1","6","1") = "6"
    & skf21("5","4","1","7","6","1","7","1") = "6"
    & skf21("5","4","1","7","6","2","1","1") = "6"
    & skf21("5","4","1","7","6","2","2","1") = "6"
    & skf21("5","4","1","7","6","2","3","1") = "6"
    & skf21("5","4","1","7","6","2","4","1") = "6"
    & skf21("5","4","1","7","6","2","5","1") = "6"
    & skf21("5","4","1","7","6","2","6","1") = "6"
    & skf21("5","4","1","7","6","2","7","1") = "6"
    & skf21("5","4","1","7","6","3","1","1") = "6"
    & skf21("5","4","1","7","6","3","2","1") = "6"
    & skf21("5","4","1","7","6","3","3","1") = "6"
    & skf21("5","4","1","7","6","3","4","1") = "6"
    & skf21("5","4","1","7","6","3","5","1") = "6"
    & skf21("5","4","1","7","6","3","6","1") = "6"
    & skf21("5","4","1","7","6","3","7","1") = "6"
    & skf21("5","4","1","7","6","4","1","1") = "6"
    & skf21("5","4","1","7","6","4","2","1") = "6"
    & skf21("5","4","1","7","6","4","3","1") = "6"
    & skf21("5","4","1","7","6","4","4","1") = "6"
    & skf21("5","4","1","7","6","4","5","1") = "6"
    & skf21("5","4","1","7","6","4","6","1") = "6"
    & skf21("5","4","1","7","6","4","7","1") = "6"
    & skf21("5","4","1","7","6","5","1","1") = "6"
    & skf21("5","4","1","7","6","5","2","1") = "6"
    & skf21("5","4","1","7","6","5","3","1") = "6"
    & skf21("5","4","1","7","6","5","4","1") = "6"
    & skf21("5","4","1","7","6","5","5","1") = "6"
    & skf21("5","4","1","7","6","5","6","1") = "6"
    & skf21("5","4","1","7","6","5","7","1") = "6"
    & skf21("5","4","1","7","6","6","1","1") = "6"
    & skf21("5","4","1","7","6","6","2","1") = "6"
    & skf21("5","4","1","7","6","6","3","1") = "6"
    & skf21("5","4","1","7","6","6","4","1") = "6"
    & skf21("5","4","1","7","6","6","5","1") = "6"
    & skf21("5","4","1","7","6","6","6","1") = "6"
    & skf21("5","4","1","7","6","6","7","1") = "6"
    & skf21("5","4","1","7","6","7","1","1") = "6"
    & skf21("5","4","1","7","6","7","2","1") = "6"
    & skf21("5","4","1","7","6","7","3","1") = "6"
    & skf21("5","4","1","7","6","7","4","1") = "6"
    & skf21("5","4","1","7","6","7","5","1") = "6"
    & skf21("5","4","1","7","6","7","6","1") = "6"
    & skf21("5","4","1","7","6","7","7","1") = "6"
    & skf21("5","4","1","7","7","1","1","1") = "6"
    & skf21("5","4","1","7","7","1","2","1") = "6"
    & skf21("5","4","1","7","7","1","3","1") = "6"
    & skf21("5","4","1","7","7","1","4","1") = "6"
    & skf21("5","4","1","7","7","1","5","1") = "6"
    & skf21("5","4","1","7","7","1","6","1") = "6"
    & skf21("5","4","1","7","7","1","7","1") = "6"
    & skf21("5","4","1","7","7","2","1","1") = "6"
    & skf21("5","4","1","7","7","2","2","1") = "6"
    & skf21("5","4","1","7","7","2","3","1") = "6"
    & skf21("5","4","1","7","7","2","4","1") = "6"
    & skf21("5","4","1","7","7","2","5","1") = "6"
    & skf21("5","4","1","7","7","2","6","1") = "6"
    & skf21("5","4","1","7","7","2","7","1") = "6"
    & skf21("5","4","1","7","7","3","1","1") = "6"
    & skf21("5","4","1","7","7","3","2","1") = "6"
    & skf21("5","4","1","7","7","3","3","1") = "6"
    & skf21("5","4","1","7","7","3","4","1") = "6"
    & skf21("5","4","1","7","7","3","5","1") = "6"
    & skf21("5","4","1","7","7","3","6","1") = "6"
    & skf21("5","4","1","7","7","3","7","1") = "6"
    & skf21("5","4","1","7","7","4","1","1") = "6"
    & skf21("5","4","1","7","7","4","2","1") = "6"
    & skf21("5","4","1","7","7","4","3","1") = "6"
    & skf21("5","4","1","7","7","4","4","1") = "6"
    & skf21("5","4","1","7","7","4","5","1") = "6"
    & skf21("5","4","1","7","7","4","6","1") = "6"
    & skf21("5","4","1","7","7","4","7","1") = "6"
    & skf21("5","4","1","7","7","5","1","1") = "6"
    & skf21("5","4","1","7","7","5","2","1") = "6"
    & skf21("5","4","1","7","7","5","3","1") = "6"
    & skf21("5","4","1","7","7","5","4","1") = "6"
    & skf21("5","4","1","7","7","5","5","1") = "6"
    & skf21("5","4","1","7","7","5","6","1") = "6"
    & skf21("5","4","1","7","7","5","7","1") = "6"
    & skf21("5","4","1","7","7","6","1","1") = "6"
    & skf21("5","4","1","7","7","6","2","1") = "6"
    & skf21("5","4","1","7","7","6","3","1") = "6"
    & skf21("5","4","1","7","7","6","4","1") = "6"
    & skf21("5","4","1","7","7","6","5","1") = "6"
    & skf21("5","4","1","7","7","6","6","1") = "6"
    & skf21("5","4","1","7","7","6","7","1") = "6"
    & skf21("5","4","1","7","7","7","1","1") = "6"
    & skf21("5","4","1","7","7","7","2","1") = "6"
    & skf21("5","4","1","7","7","7","3","1") = "6"
    & skf21("5","4","1","7","7","7","4","1") = "6"
    & skf21("5","4","1","7","7","7","5","1") = "6"
    & skf21("5","4","1","7","7","7","6","1") = "6"
    & skf21("5","4","1","7","7","7","7","1") = "6"
    & skf21("5","4","2","1","1","1","1","1") = "4"
    & skf21("5","4","2","1","1","1","2","1") = "4"
    & skf21("5","4","2","1","1","1","3","1") = "4"
    & skf21("5","4","2","1","1","1","4","1") = "4"
    & skf21("5","4","2","1","1","1","5","1") = "4"
    & skf21("5","4","2","1","1","1","6","1") = "5"
    & skf21("5","4","2","1","1","1","7","1") = "6"
    & skf21("5","4","2","1","1","2","1","1") = "4"
    & skf21("5","4","2","1","1","2","2","1") = "4"
    & skf21("5","4","2","1","1","2","3","1") = "4"
    & skf21("5","4","2","1","1","2","4","1") = "4"
    & skf21("5","4","2","1","1","2","5","1") = "4"
    & skf21("5","4","2","1","1","2","6","1") = "5"
    & skf21("5","4","2","1","1","2","7","1") = "6"
    & skf21("5","4","2","1","1","3","1","1") = "4"
    & skf21("5","4","2","1","1","3","2","1") = "4"
    & skf21("5","4","2","1","1","3","3","1") = "4"
    & skf21("5","4","2","1","1","3","4","1") = "4"
    & skf21("5","4","2","1","1","3","5","1") = "4"
    & skf21("5","4","2","1","1","3","6","1") = "5"
    & skf21("5","4","2","1","1","3","7","1") = "6"
    & skf21("5","4","2","1","1","4","1","1") = "4"
    & skf21("5","4","2","1","1","4","2","1") = "4"
    & skf21("5","4","2","1","1","4","3","1") = "4"
    & skf21("5","4","2","1","1","4","4","1") = "4"
    & skf21("5","4","2","1","1","4","5","1") = "4"
    & skf21("5","4","2","1","1","4","6","1") = "5"
    & skf21("5","4","2","1","1","4","7","1") = "6"
    & skf21("5","4","2","1","1","5","1","1") = "4"
    & skf21("5","4","2","1","1","5","2","1") = "4"
    & skf21("5","4","2","1","1","5","3","1") = "4"
    & skf21("5","4","2","1","1","5","4","1") = "4"
    & skf21("5","4","2","1","1","5","5","1") = "4"
    & skf21("5","4","2","1","1","5","6","1") = "5"
    & skf21("5","4","2","1","1","5","7","1") = "6"
    & skf21("5","4","2","1","1","6","1","1") = "5"
    & skf21("5","4","2","1","1","6","2","1") = "5"
    & skf21("5","4","2","1","1","6","3","1") = "5"
    & skf21("5","4","2","1","1","6","4","1") = "5"
    & skf21("5","4","2","1","1","6","5","1") = "5"
    & skf21("5","4","2","1","1","6","6","1") = "5"
    & skf21("5","4","2","1","1","6","7","1") = "6"
    & skf21("5","4","2","1","1","7","1","1") = "6"
    & skf21("5","4","2","1","1","7","2","1") = "6"
    & skf21("5","4","2","1","1","7","3","1") = "6"
    & skf21("5","4","2","1","1","7","4","1") = "6"
    & skf21("5","4","2","1","1","7","5","1") = "6"
    & skf21("5","4","2","1","1","7","6","1") = "6"
    & skf21("5","4","2","1","1","7","7","1") = "6"
    & skf21("5","4","2","1","2","1","1","1") = "4"
    & skf21("5","4","2","1","2","1","2","1") = "4"
    & skf21("5","4","2","1","2","1","3","1") = "4"
    & skf21("5","4","2","1","2","1","4","1") = "4"
    & skf21("5","4","2","1","2","1","5","1") = "4"
    & skf21("5","4","2","1","2","1","6","1") = "5"
    & skf21("5","4","2","1","2","1","7","1") = "6"
    & skf21("5","4","2","1","2","2","1","1") = "4"
    & skf21("5","4","2","1","2","2","2","1") = "4"
    & skf21("5","4","2","1","2","2","3","1") = "4"
    & skf21("5","4","2","1","2","2","4","1") = "4"
    & skf21("5","4","2","1","2","2","5","1") = "4"
    & skf21("5","4","2","1","2","2","6","1") = "5"
    & skf21("5","4","2","1","2","2","7","1") = "6"
    & skf21("5","4","2","1","2","3","1","1") = "4"
    & skf21("5","4","2","1","2","3","2","1") = "4"
    & skf21("5","4","2","1","2","3","3","1") = "4"
    & skf21("5","4","2","1","2","3","4","1") = "4"
    & skf21("5","4","2","1","2","3","5","1") = "4"
    & skf21("5","4","2","1","2","3","6","1") = "5"
    & skf21("5","4","2","1","2","3","7","1") = "6"
    & skf21("5","4","2","1","2","4","1","1") = "4"
    & skf21("5","4","2","1","2","4","2","1") = "4"
    & skf21("5","4","2","1","2","4","3","1") = "4"
    & skf21("5","4","2","1","2","4","4","1") = "4"
    & skf21("5","4","2","1","2","4","5","1") = "4"
    & skf21("5","4","2","1","2","4","6","1") = "5"
    & skf21("5","4","2","1","2","4","7","1") = "6"
    & skf21("5","4","2","1","2","5","1","1") = "4"
    & skf21("5","4","2","1","2","5","2","1") = "4"
    & skf21("5","4","2","1","2","5","3","1") = "4"
    & skf21("5","4","2","1","2","5","4","1") = "4"
    & skf21("5","4","2","1","2","5","5","1") = "4"
    & skf21("5","4","2","1","2","5","6","1") = "5"
    & skf21("5","4","2","1","2","5","7","1") = "6"
    & skf21("5","4","2","1","2","6","1","1") = "5"
    & skf21("5","4","2","1","2","6","2","1") = "5"
    & skf21("5","4","2","1","2","6","3","1") = "5"
    & skf21("5","4","2","1","2","6","4","1") = "5"
    & skf21("5","4","2","1","2","6","5","1") = "5"
    & skf21("5","4","2","1","2","6","6","1") = "5"
    & skf21("5","4","2","1","2","6","7","1") = "6"
    & skf21("5","4","2","1","2","7","1","1") = "6"
    & skf21("5","4","2","1","2","7","2","1") = "6"
    & skf21("5","4","2","1","2","7","3","1") = "6"
    & skf21("5","4","2","1","2","7","4","1") = "6"
    & skf21("5","4","2","1","2","7","5","1") = "6"
    & skf21("5","4","2","1","2","7","6","1") = "6"
    & skf21("5","4","2","1","2","7","7","1") = "6"
    & skf21("5","4","2","1","3","1","1","1") = "4"
    & skf21("5","4","2","1","3","1","2","1") = "4"
    & skf21("5","4","2","1","3","1","3","1") = "4"
    & skf21("5","4","2","1","3","1","4","1") = "4"
    & skf21("5","4","2","1","3","1","5","1") = "4"
    & skf21("5","4","2","1","3","1","6","1") = "5"
    & skf21("5","4","2","1","3","1","7","1") = "6"
    & skf21("5","4","2","1","3","2","1","1") = "4"
    & skf21("5","4","2","1","3","2","2","1") = "4"
    & skf21("5","4","2","1","3","2","3","1") = "4"
    & skf21("5","4","2","1","3","2","4","1") = "4"
    & skf21("5","4","2","1","3","2","5","1") = "4"
    & skf21("5","4","2","1","3","2","6","1") = "5"
    & skf21("5","4","2","1","3","2","7","1") = "6"
    & skf21("5","4","2","1","3","3","1","1") = "4"
    & skf21("5","4","2","1","3","3","2","1") = "4"
    & skf21("5","4","2","1","3","3","3","1") = "4"
    & skf21("5","4","2","1","3","3","4","1") = "4"
    & skf21("5","4","2","1","3","3","5","1") = "4"
    & skf21("5","4","2","1","3","3","6","1") = "5"
    & skf21("5","4","2","1","3","3","7","1") = "6"
    & skf21("5","4","2","1","3","4","1","1") = "4"
    & skf21("5","4","2","1","3","4","2","1") = "4"
    & skf21("5","4","2","1","3","4","3","1") = "4"
    & skf21("5","4","2","1","3","4","4","1") = "4"
    & skf21("5","4","2","1","3","4","5","1") = "4"
    & skf21("5","4","2","1","3","4","6","1") = "5"
    & skf21("5","4","2","1","3","4","7","1") = "6"
    & skf21("5","4","2","1","3","5","1","1") = "4"
    & skf21("5","4","2","1","3","5","2","1") = "4"
    & skf21("5","4","2","1","3","5","3","1") = "4"
    & skf21("5","4","2","1","3","5","4","1") = "4"
    & skf21("5","4","2","1","3","5","5","1") = "4"
    & skf21("5","4","2","1","3","5","6","1") = "5"
    & skf21("5","4","2","1","3","5","7","1") = "6"
    & skf21("5","4","2","1","3","6","1","1") = "5"
    & skf21("5","4","2","1","3","6","2","1") = "5"
    & skf21("5","4","2","1","3","6","3","1") = "5"
    & skf21("5","4","2","1","3","6","4","1") = "5"
    & skf21("5","4","2","1","3","6","5","1") = "5"
    & skf21("5","4","2","1","3","6","6","1") = "5"
    & skf21("5","4","2","1","3","6","7","1") = "6"
    & skf21("5","4","2","1","3","7","1","1") = "6"
    & skf21("5","4","2","1","3","7","2","1") = "6"
    & skf21("5","4","2","1","3","7","3","1") = "6"
    & skf21("5","4","2","1","3","7","4","1") = "6"
    & skf21("5","4","2","1","3","7","5","1") = "6"
    & skf21("5","4","2","1","3","7","6","1") = "6"
    & skf21("5","4","2","1","3","7","7","1") = "6"
    & skf21("5","4","2","1","4","1","1","1") = "4"
    & skf21("5","4","2","1","4","1","2","1") = "4"
    & skf21("5","4","2","1","4","1","3","1") = "4"
    & skf21("5","4","2","1","4","1","4","1") = "4"
    & skf21("5","4","2","1","4","1","5","1") = "4"
    & skf21("5","4","2","1","4","1","6","1") = "5"
    & skf21("5","4","2","1","4","1","7","1") = "6"
    & skf21("5","4","2","1","4","2","1","1") = "4"
    & skf21("5","4","2","1","4","2","2","1") = "4"
    & skf21("5","4","2","1","4","2","3","1") = "4"
    & skf21("5","4","2","1","4","2","4","1") = "4"
    & skf21("5","4","2","1","4","2","5","1") = "4"
    & skf21("5","4","2","1","4","2","6","1") = "5"
    & skf21("5","4","2","1","4","2","7","1") = "6"
    & skf21("5","4","2","1","4","3","1","1") = "4"
    & skf21("5","4","2","1","4","3","2","1") = "4"
    & skf21("5","4","2","1","4","3","3","1") = "4"
    & skf21("5","4","2","1","4","3","4","1") = "4"
    & skf21("5","4","2","1","4","3","5","1") = "4"
    & skf21("5","4","2","1","4","3","6","1") = "5"
    & skf21("5","4","2","1","4","3","7","1") = "6"
    & skf21("5","4","2","1","4","4","1","1") = "4"
    & skf21("5","4","2","1","4","4","2","1") = "4"
    & skf21("5","4","2","1","4","4","3","1") = "4"
    & skf21("5","4","2","1","4","4","4","1") = "4"
    & skf21("5","4","2","1","4","4","5","1") = "4"
    & skf21("5","4","2","1","4","4","6","1") = "5"
    & skf21("5","4","2","1","4","4","7","1") = "6"
    & skf21("5","4","2","1","4","5","1","1") = "4"
    & skf21("5","4","2","1","4","5","2","1") = "4"
    & skf21("5","4","2","1","4","5","3","1") = "4"
    & skf21("5","4","2","1","4","5","4","1") = "4"
    & skf21("5","4","2","1","4","5","5","1") = "4"
    & skf21("5","4","2","1","4","5","6","1") = "5"
    & skf21("5","4","2","1","4","5","7","1") = "6"
    & skf21("5","4","2","1","4","6","1","1") = "5"
    & skf21("5","4","2","1","4","6","2","1") = "5"
    & skf21("5","4","2","1","4","6","3","1") = "5"
    & skf21("5","4","2","1","4","6","4","1") = "5"
    & skf21("5","4","2","1","4","6","5","1") = "5"
    & skf21("5","4","2","1","4","6","6","1") = "5"
    & skf21("5","4","2","1","4","6","7","1") = "6"
    & skf21("5","4","2","1","4","7","1","1") = "6"
    & skf21("5","4","2","1","4","7","2","1") = "6"
    & skf21("5","4","2","1","4","7","3","1") = "6"
    & skf21("5","4","2","1","4","7","4","1") = "6"
    & skf21("5","4","2","1","4","7","5","1") = "6"
    & skf21("5","4","2","1","4","7","6","1") = "6"
    & skf21("5","4","2","1","4","7","7","1") = "6"
    & skf21("5","4","2","1","5","1","1","1") = "4"
    & skf21("5","4","2","1","5","1","2","1") = "4"
    & skf21("5","4","2","1","5","1","3","1") = "4"
    & skf21("5","4","2","1","5","1","4","1") = "4"
    & skf21("5","4","2","1","5","1","5","1") = "4"
    & skf21("5","4","2","1","5","1","6","1") = "5"
    & skf21("5","4","2","1","5","1","7","1") = "6"
    & skf21("5","4","2","1","5","2","1","1") = "4"
    & skf21("5","4","2","1","5","2","2","1") = "4"
    & skf21("5","4","2","1","5","2","3","1") = "4"
    & skf21("5","4","2","1","5","2","4","1") = "4"
    & skf21("5","4","2","1","5","2","5","1") = "4"
    & skf21("5","4","2","1","5","2","6","1") = "5"
    & skf21("5","4","2","1","5","2","7","1") = "6"
    & skf21("5","4","2","1","5","3","1","1") = "4"
    & skf21("5","4","2","1","5","3","2","1") = "4"
    & skf21("5","4","2","1","5","3","3","1") = "4"
    & skf21("5","4","2","1","5","3","4","1") = "4"
    & skf21("5","4","2","1","5","3","5","1") = "4"
    & skf21("5","4","2","1","5","3","6","1") = "5"
    & skf21("5","4","2","1","5","3","7","1") = "6"
    & skf21("5","4","2","1","5","4","1","1") = "4"
    & skf21("5","4","2","1","5","4","2","1") = "4"
    & skf21("5","4","2","1","5","4","3","1") = "4"
    & skf21("5","4","2","1","5","4","4","1") = "4"
    & skf21("5","4","2","1","5","4","5","1") = "4"
    & skf21("5","4","2","1","5","4","6","1") = "5"
    & skf21("5","4","2","1","5","4","7","1") = "6"
    & skf21("5","4","2","1","5","5","1","1") = "4"
    & skf21("5","4","2","1","5","5","2","1") = "4"
    & skf21("5","4","2","1","5","5","3","1") = "4"
    & skf21("5","4","2","1","5","5","4","1") = "4"
    & skf21("5","4","2","1","5","5","5","1") = "4"
    & skf21("5","4","2","1","5","5","6","1") = "5"
    & skf21("5","4","2","1","5","5","7","1") = "6"
    & skf21("5","4","2","1","5","6","1","1") = "5"
    & skf21("5","4","2","1","5","6","2","1") = "5"
    & skf21("5","4","2","1","5","6","3","1") = "5"
    & skf21("5","4","2","1","5","6","4","1") = "5"
    & skf21("5","4","2","1","5","6","5","1") = "5"
    & skf21("5","4","2","1","5","6","6","1") = "5"
    & skf21("5","4","2","1","5","6","7","1") = "6"
    & skf21("5","4","2","1","5","7","1","1") = "6"
    & skf21("5","4","2","1","5","7","2","1") = "6"
    & skf21("5","4","2","1","5","7","3","1") = "6"
    & skf21("5","4","2","1","5","7","4","1") = "6"
    & skf21("5","4","2","1","5","7","5","1") = "6"
    & skf21("5","4","2","1","5","7","6","1") = "6"
    & skf21("5","4","2","1","5","7","7","1") = "6"
    & skf21("5","4","2","1","6","1","1","1") = "5"
    & skf21("5","4","2","1","6","1","2","1") = "5"
    & skf21("5","4","2","1","6","1","3","1") = "5"
    & skf21("5","4","2","1","6","1","4","1") = "5"
    & skf21("5","4","2","1","6","1","5","1") = "5"
    & skf21("5","4","2","1","6","1","6","1") = "5"
    & skf21("5","4","2","1","6","1","7","1") = "6"
    & skf21("5","4","2","1","6","2","1","1") = "5"
    & skf21("5","4","2","1","6","2","2","1") = "5"
    & skf21("5","4","2","1","6","2","3","1") = "5"
    & skf21("5","4","2","1","6","2","4","1") = "5"
    & skf21("5","4","2","1","6","2","5","1") = "5"
    & skf21("5","4","2","1","6","2","6","1") = "5"
    & skf21("5","4","2","1","6","2","7","1") = "6"
    & skf21("5","4","2","1","6","3","1","1") = "5"
    & skf21("5","4","2","1","6","3","2","1") = "5"
    & skf21("5","4","2","1","6","3","3","1") = "5"
    & skf21("5","4","2","1","6","3","4","1") = "5"
    & skf21("5","4","2","1","6","3","5","1") = "5"
    & skf21("5","4","2","1","6","3","6","1") = "5"
    & skf21("5","4","2","1","6","3","7","1") = "6"
    & skf21("5","4","2","1","6","4","1","1") = "5"
    & skf21("5","4","2","1","6","4","2","1") = "5"
    & skf21("5","4","2","1","6","4","3","1") = "5"
    & skf21("5","4","2","1","6","4","4","1") = "5"
    & skf21("5","4","2","1","6","4","5","1") = "5"
    & skf21("5","4","2","1","6","4","6","1") = "5"
    & skf21("5","4","2","1","6","4","7","1") = "6"
    & skf21("5","4","2","1","6","5","1","1") = "5"
    & skf21("5","4","2","1","6","5","2","1") = "5"
    & skf21("5","4","2","1","6","5","3","1") = "5"
    & skf21("5","4","2","1","6","5","4","1") = "5"
    & skf21("5","4","2","1","6","5","5","1") = "5"
    & skf21("5","4","2","1","6","5","6","1") = "5"
    & skf21("5","4","2","1","6","5","7","1") = "6"
    & skf21("5","4","2","1","6","6","1","1") = "5"
    & skf21("5","4","2","1","6","6","2","1") = "5"
    & skf21("5","4","2","1","6","6","3","1") = "5"
    & skf21("5","4","2","1","6","6","4","1") = "5"
    & skf21("5","4","2","1","6","6","5","1") = "5"
    & skf21("5","4","2","1","6","6","6","1") = "5"
    & skf21("5","4","2","1","6","6","7","1") = "6"
    & skf21("5","4","2","1","6","7","1","1") = "6"
    & skf21("5","4","2","1","6","7","2","1") = "6"
    & skf21("5","4","2","1","6","7","3","1") = "6"
    & skf21("5","4","2","1","6","7","4","1") = "6"
    & skf21("5","4","2","1","6","7","5","1") = "6"
    & skf21("5","4","2","1","6","7","6","1") = "6"
    & skf21("5","4","2","1","6","7","7","1") = "6"
    & skf21("5","4","2","1","7","1","1","1") = "6"
    & skf21("5","4","2","1","7","1","2","1") = "6"
    & skf21("5","4","2","1","7","1","3","1") = "6"
    & skf21("5","4","2","1","7","1","4","1") = "6"
    & skf21("5","4","2","1","7","1","5","1") = "6"
    & skf21("5","4","2","1","7","1","6","1") = "6"
    & skf21("5","4","2","1","7","1","7","1") = "6"
    & skf21("5","4","2","1","7","2","1","1") = "6"
    & skf21("5","4","2","1","7","2","2","1") = "6"
    & skf21("5","4","2","1","7","2","3","1") = "6"
    & skf21("5","4","2","1","7","2","4","1") = "6"
    & skf21("5","4","2","1","7","2","5","1") = "6"
    & skf21("5","4","2","1","7","2","6","1") = "6"
    & skf21("5","4","2","1","7","2","7","1") = "6"
    & skf21("5","4","2","1","7","3","1","1") = "6"
    & skf21("5","4","2","1","7","3","2","1") = "6"
    & skf21("5","4","2","1","7","3","3","1") = "6"
    & skf21("5","4","2","1","7","3","4","1") = "6"
    & skf21("5","4","2","1","7","3","5","1") = "6"
    & skf21("5","4","2","1","7","3","6","1") = "6"
    & skf21("5","4","2","1","7","3","7","1") = "6"
    & skf21("5","4","2","1","7","4","1","1") = "6"
    & skf21("5","4","2","1","7","4","2","1") = "6"
    & skf21("5","4","2","1","7","4","3","1") = "6"
    & skf21("5","4","2","1","7","4","4","1") = "6"
    & skf21("5","4","2","1","7","4","5","1") = "6"
    & skf21("5","4","2","1","7","4","6","1") = "6"
    & skf21("5","4","2","1","7","4","7","1") = "6"
    & skf21("5","4","2","1","7","5","1","1") = "6"
    & skf21("5","4","2","1","7","5","2","1") = "6"
    & skf21("5","4","2","1","7","5","3","1") = "6"
    & skf21("5","4","2","1","7","5","4","1") = "6"
    & skf21("5","4","2","1","7","5","5","1") = "6"
    & skf21("5","4","2","1","7","5","6","1") = "6"
    & skf21("5","4","2","1","7","5","7","1") = "6"
    & skf21("5","4","2","1","7","6","1","1") = "6"
    & skf21("5","4","2","1","7","6","2","1") = "6"
    & skf21("5","4","2","1","7","6","3","1") = "6"
    & skf21("5","4","2","1","7","6","4","1") = "6"
    & skf21("5","4","2","1","7","6","5","1") = "6"
    & skf21("5","4","2","1","7","6","6","1") = "6"
    & skf21("5","4","2","1","7","6","7","1") = "6"
    & skf21("5","4","2","1","7","7","1","1") = "6"
    & skf21("5","4","2","1","7","7","2","1") = "6"
    & skf21("5","4","2","1","7","7","3","1") = "6"
    & skf21("5","4","2","1","7","7","4","1") = "6"
    & skf21("5","4","2","1","7","7","5","1") = "6"
    & skf21("5","4","2","1","7","7","6","1") = "6"
    & skf21("5","4","2","1","7","7","7","1") = "6"
    & skf21("5","4","2","2","1","1","1","1") = "4"
    & skf21("5","4","2","2","1","1","2","1") = "4"
    & skf21("5","4","2","2","1","1","3","1") = "4"
    & skf21("5","4","2","2","1","1","4","1") = "4"
    & skf21("5","4","2","2","1","1","5","1") = "4"
    & skf21("5","4","2","2","1","1","6","1") = "5"
    & skf21("5","4","2","2","1","1","7","1") = "6"
    & skf21("5","4","2","2","1","2","1","1") = "4"
    & skf21("5","4","2","2","1","2","2","1") = "4"
    & skf21("5","4","2","2","1","2","3","1") = "4"
    & skf21("5","4","2","2","1","2","4","1") = "4"
    & skf21("5","4","2","2","1","2","5","1") = "4"
    & skf21("5","4","2","2","1","2","6","1") = "5"
    & skf21("5","4","2","2","1","2","7","1") = "6"
    & skf21("5","4","2","2","1","3","1","1") = "4"
    & skf21("5","4","2","2","1","3","2","1") = "4"
    & skf21("5","4","2","2","1","3","3","1") = "4"
    & skf21("5","4","2","2","1","3","4","1") = "4"
    & skf21("5","4","2","2","1","3","5","1") = "4"
    & skf21("5","4","2","2","1","3","6","1") = "5"
    & skf21("5","4","2","2","1","3","7","1") = "6"
    & skf21("5","4","2","2","1","4","1","1") = "4"
    & skf21("5","4","2","2","1","4","2","1") = "4"
    & skf21("5","4","2","2","1","4","3","1") = "4"
    & skf21("5","4","2","2","1","4","4","1") = "4"
    & skf21("5","4","2","2","1","4","5","1") = "4"
    & skf21("5","4","2","2","1","4","6","1") = "5"
    & skf21("5","4","2","2","1","4","7","1") = "6"
    & skf21("5","4","2","2","1","5","1","1") = "4"
    & skf21("5","4","2","2","1","5","2","1") = "4"
    & skf21("5","4","2","2","1","5","3","1") = "4"
    & skf21("5","4","2","2","1","5","4","1") = "4"
    & skf21("5","4","2","2","1","5","5","1") = "4"
    & skf21("5","4","2","2","1","5","6","1") = "5"
    & skf21("5","4","2","2","1","5","7","1") = "6"
    & skf21("5","4","2","2","1","6","1","1") = "5"
    & skf21("5","4","2","2","1","6","2","1") = "5"
    & skf21("5","4","2","2","1","6","3","1") = "5"
    & skf21("5","4","2","2","1","6","4","1") = "5"
    & skf21("5","4","2","2","1","6","5","1") = "5"
    & skf21("5","4","2","2","1","6","6","1") = "5"
    & skf21("5","4","2","2","1","6","7","1") = "6"
    & skf21("5","4","2","2","1","7","1","1") = "6"
    & skf21("5","4","2","2","1","7","2","1") = "6"
    & skf21("5","4","2","2","1","7","3","1") = "6"
    & skf21("5","4","2","2","1","7","4","1") = "6"
    & skf21("5","4","2","2","1","7","5","1") = "6"
    & skf21("5","4","2","2","1","7","6","1") = "6"
    & skf21("5","4","2","2","1","7","7","1") = "6"
    & skf21("5","4","2","2","2","1","1","1") = "4"
    & skf21("5","4","2","2","2","1","2","1") = "4"
    & skf21("5","4","2","2","2","1","3","1") = "4"
    & skf21("5","4","2","2","2","1","4","1") = "4"
    & skf21("5","4","2","2","2","1","5","1") = "4"
    & skf21("5","4","2","2","2","1","6","1") = "5"
    & skf21("5","4","2","2","2","1","7","1") = "6"
    & skf21("5","4","2","2","2","2","1","1") = "4"
    & skf21("5","4","2","2","2","2","2","1") = "4"
    & skf21("5","4","2","2","2","2","3","1") = "4"
    & skf21("5","4","2","2","2","2","4","1") = "4"
    & skf21("5","4","2","2","2","2","5","1") = "4"
    & skf21("5","4","2","2","2","2","6","1") = "5"
    & skf21("5","4","2","2","2","2","7","1") = "6"
    & skf21("5","4","2","2","2","3","1","1") = "4"
    & skf21("5","4","2","2","2","3","2","1") = "4"
    & skf21("5","4","2","2","2","3","3","1") = "4"
    & skf21("5","4","2","2","2","3","4","1") = "4"
    & skf21("5","4","2","2","2","3","5","1") = "4"
    & skf21("5","4","2","2","2","3","6","1") = "5"
    & skf21("5","4","2","2","2","3","7","1") = "6"
    & skf21("5","4","2","2","2","4","1","1") = "4"
    & skf21("5","4","2","2","2","4","2","1") = "4"
    & skf21("5","4","2","2","2","4","3","1") = "4"
    & skf21("5","4","2","2","2","4","4","1") = "4"
    & skf21("5","4","2","2","2","4","5","1") = "4"
    & skf21("5","4","2","2","2","4","6","1") = "5"
    & skf21("5","4","2","2","2","4","7","1") = "6"
    & skf21("5","4","2","2","2","5","1","1") = "4"
    & skf21("5","4","2","2","2","5","2","1") = "4"
    & skf21("5","4","2","2","2","5","3","1") = "4"
    & skf21("5","4","2","2","2","5","4","1") = "4"
    & skf21("5","4","2","2","2","5","5","1") = "4"
    & skf21("5","4","2","2","2","5","6","1") = "5"
    & skf21("5","4","2","2","2","5","7","1") = "6"
    & skf21("5","4","2","2","2","6","1","1") = "5"
    & skf21("5","4","2","2","2","6","2","1") = "5"
    & skf21("5","4","2","2","2","6","3","1") = "5"
    & skf21("5","4","2","2","2","6","4","1") = "5"
    & skf21("5","4","2","2","2","6","5","1") = "5"
    & skf21("5","4","2","2","2","6","6","1") = "5"
    & skf21("5","4","2","2","2","6","7","1") = "6"
    & skf21("5","4","2","2","2","7","1","1") = "6"
    & skf21("5","4","2","2","2","7","2","1") = "6"
    & skf21("5","4","2","2","2","7","3","1") = "6"
    & skf21("5","4","2","2","2","7","4","1") = "6"
    & skf21("5","4","2","2","2","7","5","1") = "6"
    & skf21("5","4","2","2","2","7","6","1") = "6"
    & skf21("5","4","2","2","2","7","7","1") = "6"
    & skf21("5","4","2","2","3","1","1","1") = "4"
    & skf21("5","4","2","2","3","1","2","1") = "4"
    & skf21("5","4","2","2","3","1","3","1") = "4"
    & skf21("5","4","2","2","3","1","4","1") = "4"
    & skf21("5","4","2","2","3","1","5","1") = "4"
    & skf21("5","4","2","2","3","1","6","1") = "5"
    & skf21("5","4","2","2","3","1","7","1") = "6"
    & skf21("5","4","2","2","3","2","1","1") = "4"
    & skf21("5","4","2","2","3","2","2","1") = "4"
    & skf21("5","4","2","2","3","2","3","1") = "4"
    & skf21("5","4","2","2","3","2","4","1") = "4"
    & skf21("5","4","2","2","3","2","5","1") = "4"
    & skf21("5","4","2","2","3","2","6","1") = "5"
    & skf21("5","4","2","2","3","2","7","1") = "6"
    & skf21("5","4","2","2","3","3","1","1") = "4"
    & skf21("5","4","2","2","3","3","2","1") = "4"
    & skf21("5","4","2","2","3","3","3","1") = "4"
    & skf21("5","4","2","2","3","3","4","1") = "4"
    & skf21("5","4","2","2","3","3","5","1") = "4"
    & skf21("5","4","2","2","3","3","6","1") = "5"
    & skf21("5","4","2","2","3","3","7","1") = "6"
    & skf21("5","4","2","2","3","4","1","1") = "4"
    & skf21("5","4","2","2","3","4","2","1") = "4"
    & skf21("5","4","2","2","3","4","3","1") = "4"
    & skf21("5","4","2","2","3","4","4","1") = "4"
    & skf21("5","4","2","2","3","4","5","1") = "4"
    & skf21("5","4","2","2","3","4","6","1") = "5"
    & skf21("5","4","2","2","3","4","7","1") = "6"
    & skf21("5","4","2","2","3","5","1","1") = "4"
    & skf21("5","4","2","2","3","5","2","1") = "4"
    & skf21("5","4","2","2","3","5","3","1") = "4"
    & skf21("5","4","2","2","3","5","4","1") = "4"
    & skf21("5","4","2","2","3","5","5","1") = "4"
    & skf21("5","4","2","2","3","5","6","1") = "5"
    & skf21("5","4","2","2","3","5","7","1") = "6"
    & skf21("5","4","2","2","3","6","1","1") = "5"
    & skf21("5","4","2","2","3","6","2","1") = "5"
    & skf21("5","4","2","2","3","6","3","1") = "5"
    & skf21("5","4","2","2","3","6","4","1") = "5"
    & skf21("5","4","2","2","3","6","5","1") = "5"
    & skf21("5","4","2","2","3","6","6","1") = "5"
    & skf21("5","4","2","2","3","6","7","1") = "6"
    & skf21("5","4","2","2","3","7","1","1") = "6"
    & skf21("5","4","2","2","3","7","2","1") = "6"
    & skf21("5","4","2","2","3","7","3","1") = "6"
    & skf21("5","4","2","2","3","7","4","1") = "6"
    & skf21("5","4","2","2","3","7","5","1") = "6"
    & skf21("5","4","2","2","3","7","6","1") = "6"
    & skf21("5","4","2","2","3","7","7","1") = "6"
    & skf21("5","4","2","2","4","1","1","1") = "4"
    & skf21("5","4","2","2","4","1","2","1") = "4"
    & skf21("5","4","2","2","4","1","3","1") = "4"
    & skf21("5","4","2","2","4","1","4","1") = "4"
    & skf21("5","4","2","2","4","1","5","1") = "4"
    & skf21("5","4","2","2","4","1","6","1") = "5"
    & skf21("5","4","2","2","4","1","7","1") = "6"
    & skf21("5","4","2","2","4","2","1","1") = "4"
    & skf21("5","4","2","2","4","2","2","1") = "4"
    & skf21("5","4","2","2","4","2","3","1") = "4"
    & skf21("5","4","2","2","4","2","4","1") = "4"
    & skf21("5","4","2","2","4","2","5","1") = "4"
    & skf21("5","4","2","2","4","2","6","1") = "5"
    & skf21("5","4","2","2","4","2","7","1") = "6"
    & skf21("5","4","2","2","4","3","1","1") = "4"
    & skf21("5","4","2","2","4","3","2","1") = "4"
    & skf21("5","4","2","2","4","3","3","1") = "4"
    & skf21("5","4","2","2","4","3","4","1") = "4"
    & skf21("5","4","2","2","4","3","5","1") = "4"
    & skf21("5","4","2","2","4","3","6","1") = "5"
    & skf21("5","4","2","2","4","3","7","1") = "6"
    & skf21("5","4","2","2","4","4","1","1") = "4"
    & skf21("5","4","2","2","4","4","2","1") = "4"
    & skf21("5","4","2","2","4","4","3","1") = "4"
    & skf21("5","4","2","2","4","4","4","1") = "4"
    & skf21("5","4","2","2","4","4","5","1") = "4"
    & skf21("5","4","2","2","4","4","6","1") = "5"
    & skf21("5","4","2","2","4","4","7","1") = "6"
    & skf21("5","4","2","2","4","5","1","1") = "4"
    & skf21("5","4","2","2","4","5","2","1") = "4"
    & skf21("5","4","2","2","4","5","3","1") = "4"
    & skf21("5","4","2","2","4","5","4","1") = "4"
    & skf21("5","4","2","2","4","5","5","1") = "4"
    & skf21("5","4","2","2","4","5","6","1") = "5"
    & skf21("5","4","2","2","4","5","7","1") = "6"
    & skf21("5","4","2","2","4","6","1","1") = "5"
    & skf21("5","4","2","2","4","6","2","1") = "5"
    & skf21("5","4","2","2","4","6","3","1") = "5"
    & skf21("5","4","2","2","4","6","4","1") = "5"
    & skf21("5","4","2","2","4","6","5","1") = "5"
    & skf21("5","4","2","2","4","6","6","1") = "5"
    & skf21("5","4","2","2","4","6","7","1") = "6"
    & skf21("5","4","2","2","4","7","1","1") = "6"
    & skf21("5","4","2","2","4","7","2","1") = "6"
    & skf21("5","4","2","2","4","7","3","1") = "6"
    & skf21("5","4","2","2","4","7","4","1") = "6"
    & skf21("5","4","2","2","4","7","5","1") = "6"
    & skf21("5","4","2","2","4","7","6","1") = "6"
    & skf21("5","4","2","2","4","7","7","1") = "6"
    & skf21("5","4","2","2","5","1","1","1") = "4"
    & skf21("5","4","2","2","5","1","2","1") = "4"
    & skf21("5","4","2","2","5","1","3","1") = "4"
    & skf21("5","4","2","2","5","1","4","1") = "4"
    & skf21("5","4","2","2","5","1","5","1") = "4"
    & skf21("5","4","2","2","5","1","6","1") = "5"
    & skf21("5","4","2","2","5","1","7","1") = "6"
    & skf21("5","4","2","2","5","2","1","1") = "4"
    & skf21("5","4","2","2","5","2","2","1") = "4"
    & skf21("5","4","2","2","5","2","3","1") = "4"
    & skf21("5","4","2","2","5","2","4","1") = "4"
    & skf21("5","4","2","2","5","2","5","1") = "4"
    & skf21("5","4","2","2","5","2","6","1") = "5"
    & skf21("5","4","2","2","5","2","7","1") = "6"
    & skf21("5","4","2","2","5","3","1","1") = "4"
    & skf21("5","4","2","2","5","3","2","1") = "4"
    & skf21("5","4","2","2","5","3","3","1") = "4"
    & skf21("5","4","2","2","5","3","4","1") = "4"
    & skf21("5","4","2","2","5","3","5","1") = "4"
    & skf21("5","4","2","2","5","3","6","1") = "5"
    & skf21("5","4","2","2","5","3","7","1") = "6"
    & skf21("5","4","2","2","5","4","1","1") = "4"
    & skf21("5","4","2","2","5","4","2","1") = "4"
    & skf21("5","4","2","2","5","4","3","1") = "4"
    & skf21("5","4","2","2","5","4","4","1") = "4"
    & skf21("5","4","2","2","5","4","5","1") = "4"
    & skf21("5","4","2","2","5","4","6","1") = "5"
    & skf21("5","4","2","2","5","4","7","1") = "6"
    & skf21("5","4","2","2","5","5","1","1") = "4"
    & skf21("5","4","2","2","5","5","2","1") = "4"
    & skf21("5","4","2","2","5","5","3","1") = "4"
    & skf21("5","4","2","2","5","5","4","1") = "4"
    & skf21("5","4","2","2","5","5","5","1") = "4"
    & skf21("5","4","2","2","5","5","6","1") = "5"
    & skf21("5","4","2","2","5","5","7","1") = "6"
    & skf21("5","4","2","2","5","6","1","1") = "5"
    & skf21("5","4","2","2","5","6","2","1") = "5"
    & skf21("5","4","2","2","5","6","3","1") = "5"
    & skf21("5","4","2","2","5","6","4","1") = "5"
    & skf21("5","4","2","2","5","6","5","1") = "5"
    & skf21("5","4","2","2","5","6","6","1") = "5"
    & skf21("5","4","2","2","5","6","7","1") = "6"
    & skf21("5","4","2","2","5","7","1","1") = "6"
    & skf21("5","4","2","2","5","7","2","1") = "6"
    & skf21("5","4","2","2","5","7","3","1") = "6"
    & skf21("5","4","2","2","5","7","4","1") = "6"
    & skf21("5","4","2","2","5","7","5","1") = "6"
    & skf21("5","4","2","2","5","7","6","1") = "6"
    & skf21("5","4","2","2","5","7","7","1") = "6"
    & skf21("5","4","2","2","6","1","1","1") = "5"
    & skf21("5","4","2","2","6","1","2","1") = "5"
    & skf21("5","4","2","2","6","1","3","1") = "5"
    & skf21("5","4","2","2","6","1","4","1") = "5"
    & skf21("5","4","2","2","6","1","5","1") = "5"
    & skf21("5","4","2","2","6","1","6","1") = "5"
    & skf21("5","4","2","2","6","1","7","1") = "6"
    & skf21("5","4","2","2","6","2","1","1") = "5"
    & skf21("5","4","2","2","6","2","2","1") = "5"
    & skf21("5","4","2","2","6","2","3","1") = "5"
    & skf21("5","4","2","2","6","2","4","1") = "5"
    & skf21("5","4","2","2","6","2","5","1") = "5"
    & skf21("5","4","2","2","6","2","6","1") = "5"
    & skf21("5","4","2","2","6","2","7","1") = "6"
    & skf21("5","4","2","2","6","3","1","1") = "5"
    & skf21("5","4","2","2","6","3","2","1") = "5"
    & skf21("5","4","2","2","6","3","3","1") = "5"
    & skf21("5","4","2","2","6","3","4","1") = "5"
    & skf21("5","4","2","2","6","3","5","1") = "5"
    & skf21("5","4","2","2","6","3","6","1") = "5"
    & skf21("5","4","2","2","6","3","7","1") = "6"
    & skf21("5","4","2","2","6","4","1","1") = "5"
    & skf21("5","4","2","2","6","4","2","1") = "5"
    & skf21("5","4","2","2","6","4","3","1") = "5"
    & skf21("5","4","2","2","6","4","4","1") = "5"
    & skf21("5","4","2","2","6","4","5","1") = "5"
    & skf21("5","4","2","2","6","4","6","1") = "5"
    & skf21("5","4","2","2","6","4","7","1") = "6"
    & skf21("5","4","2","2","6","5","1","1") = "5"
    & skf21("5","4","2","2","6","5","2","1") = "5"
    & skf21("5","4","2","2","6","5","3","1") = "5"
    & skf21("5","4","2","2","6","5","4","1") = "5"
    & skf21("5","4","2","2","6","5","5","1") = "5"
    & skf21("5","4","2","2","6","5","6","1") = "5"
    & skf21("5","4","2","2","6","5","7","1") = "6"
    & skf21("5","4","2","2","6","6","1","1") = "5"
    & skf21("5","4","2","2","6","6","2","1") = "5"
    & skf21("5","4","2","2","6","6","3","1") = "5"
    & skf21("5","4","2","2","6","6","4","1") = "5"
    & skf21("5","4","2","2","6","6","5","1") = "5"
    & skf21("5","4","2","2","6","6","6","1") = "5"
    & skf21("5","4","2","2","6","6","7","1") = "6"
    & skf21("5","4","2","2","6","7","1","1") = "6"
    & skf21("5","4","2","2","6","7","2","1") = "6"
    & skf21("5","4","2","2","6","7","3","1") = "6"
    & skf21("5","4","2","2","6","7","4","1") = "6"
    & skf21("5","4","2","2","6","7","5","1") = "6"
    & skf21("5","4","2","2","6","7","6","1") = "6"
    & skf21("5","4","2","2","6","7","7","1") = "6"
    & skf21("5","4","2","2","7","1","1","1") = "6"
    & skf21("5","4","2","2","7","1","2","1") = "6"
    & skf21("5","4","2","2","7","1","3","1") = "6"
    & skf21("5","4","2","2","7","1","4","1") = "6"
    & skf21("5","4","2","2","7","1","5","1") = "6"
    & skf21("5","4","2","2","7","1","6","1") = "6"
    & skf21("5","4","2","2","7","1","7","1") = "6"
    & skf21("5","4","2","2","7","2","1","1") = "6"
    & skf21("5","4","2","2","7","2","2","1") = "6"
    & skf21("5","4","2","2","7","2","3","1") = "6"
    & skf21("5","4","2","2","7","2","4","1") = "6"
    & skf21("5","4","2","2","7","2","5","1") = "6"
    & skf21("5","4","2","2","7","2","6","1") = "6"
    & skf21("5","4","2","2","7","2","7","1") = "6"
    & skf21("5","4","2","2","7","3","1","1") = "6"
    & skf21("5","4","2","2","7","3","2","1") = "6"
    & skf21("5","4","2","2","7","3","3","1") = "6"
    & skf21("5","4","2","2","7","3","4","1") = "6"
    & skf21("5","4","2","2","7","3","5","1") = "6"
    & skf21("5","4","2","2","7","3","6","1") = "6"
    & skf21("5","4","2","2","7","3","7","1") = "6"
    & skf21("5","4","2","2","7","4","1","1") = "6"
    & skf21("5","4","2","2","7","4","2","1") = "6"
    & skf21("5","4","2","2","7","4","3","1") = "6"
    & skf21("5","4","2","2","7","4","4","1") = "6"
    & skf21("5","4","2","2","7","4","5","1") = "6"
    & skf21("5","4","2","2","7","4","6","1") = "6"
    & skf21("5","4","2","2","7","4","7","1") = "6"
    & skf21("5","4","2","2","7","5","1","1") = "6"
    & skf21("5","4","2","2","7","5","2","1") = "6"
    & skf21("5","4","2","2","7","5","3","1") = "6"
    & skf21("5","4","2","2","7","5","4","1") = "6"
    & skf21("5","4","2","2","7","5","5","1") = "6"
    & skf21("5","4","2","2","7","5","6","1") = "6"
    & skf21("5","4","2","2","7","5","7","1") = "6"
    & skf21("5","4","2","2","7","6","1","1") = "6"
    & skf21("5","4","2","2","7","6","2","1") = "6"
    & skf21("5","4","2","2","7","6","3","1") = "6"
    & skf21("5","4","2","2","7","6","4","1") = "6"
    & skf21("5","4","2","2","7","6","5","1") = "6"
    & skf21("5","4","2","2","7","6","6","1") = "6"
    & skf21("5","4","2","2","7","6","7","1") = "6"
    & skf21("5","4","2","2","7","7","1","1") = "6"
    & skf21("5","4","2","2","7","7","2","1") = "6"
    & skf21("5","4","2","2","7","7","3","1") = "6"
    & skf21("5","4","2","2","7","7","4","1") = "6"
    & skf21("5","4","2","2","7","7","5","1") = "6"
    & skf21("5","4","2","2","7","7","6","1") = "6"
    & skf21("5","4","2","2","7","7","7","1") = "6"
    & skf21("5","4","2","3","1","1","1","1") = "4"
    & skf21("5","4","2","3","1","1","2","1") = "4"
    & skf21("5","4","2","3","1","1","3","1") = "4"
    & skf21("5","4","2","3","1","1","4","1") = "4"
    & skf21("5","4","2","3","1","1","5","1") = "4"
    & skf21("5","4","2","3","1","1","6","1") = "5"
    & skf21("5","4","2","3","1","1","7","1") = "6"
    & skf21("5","4","2","3","1","2","1","1") = "4"
    & skf21("5","4","2","3","1","2","2","1") = "4"
    & skf21("5","4","2","3","1","2","3","1") = "4"
    & skf21("5","4","2","3","1","2","4","1") = "4"
    & skf21("5","4","2","3","1","2","5","1") = "4"
    & skf21("5","4","2","3","1","2","6","1") = "5"
    & skf21("5","4","2","3","1","2","7","1") = "6"
    & skf21("5","4","2","3","1","3","1","1") = "4"
    & skf21("5","4","2","3","1","3","2","1") = "4"
    & skf21("5","4","2","3","1","3","3","1") = "4"
    & skf21("5","4","2","3","1","3","4","1") = "4"
    & skf21("5","4","2","3","1","3","5","1") = "4"
    & skf21("5","4","2","3","1","3","6","1") = "5"
    & skf21("5","4","2","3","1","3","7","1") = "6"
    & skf21("5","4","2","3","1","4","1","1") = "4"
    & skf21("5","4","2","3","1","4","2","1") = "4"
    & skf21("5","4","2","3","1","4","3","1") = "4"
    & skf21("5","4","2","3","1","4","4","1") = "4"
    & skf21("5","4","2","3","1","4","5","1") = "4"
    & skf21("5","4","2","3","1","4","6","1") = "5"
    & skf21("5","4","2","3","1","4","7","1") = "6"
    & skf21("5","4","2","3","1","5","1","1") = "4"
    & skf21("5","4","2","3","1","5","2","1") = "4"
    & skf21("5","4","2","3","1","5","3","1") = "4"
    & skf21("5","4","2","3","1","5","4","1") = "4"
    & skf21("5","4","2","3","1","5","5","1") = "4"
    & skf21("5","4","2","3","1","5","6","1") = "5"
    & skf21("5","4","2","3","1","5","7","1") = "6"
    & skf21("5","4","2","3","1","6","1","1") = "5"
    & skf21("5","4","2","3","1","6","2","1") = "5"
    & skf21("5","4","2","3","1","6","3","1") = "5"
    & skf21("5","4","2","3","1","6","4","1") = "5"
    & skf21("5","4","2","3","1","6","5","1") = "5"
    & skf21("5","4","2","3","1","6","6","1") = "5"
    & skf21("5","4","2","3","1","6","7","1") = "6"
    & skf21("5","4","2","3","1","7","1","1") = "6"
    & skf21("5","4","2","3","1","7","2","1") = "6"
    & skf21("5","4","2","3","1","7","3","1") = "6"
    & skf21("5","4","2","3","1","7","4","1") = "6"
    & skf21("5","4","2","3","1","7","5","1") = "6"
    & skf21("5","4","2","3","1","7","6","1") = "6"
    & skf21("5","4","2","3","1","7","7","1") = "6"
    & skf21("5","4","2","3","2","1","1","1") = "4"
    & skf21("5","4","2","3","2","1","2","1") = "4"
    & skf21("5","4","2","3","2","1","3","1") = "4"
    & skf21("5","4","2","3","2","1","4","1") = "4"
    & skf21("5","4","2","3","2","1","5","1") = "4"
    & skf21("5","4","2","3","2","1","6","1") = "5"
    & skf21("5","4","2","3","2","1","7","1") = "6"
    & skf21("5","4","2","3","2","2","1","1") = "4"
    & skf21("5","4","2","3","2","2","2","1") = "4"
    & skf21("5","4","2","3","2","2","3","1") = "4"
    & skf21("5","4","2","3","2","2","4","1") = "4"
    & skf21("5","4","2","3","2","2","5","1") = "4"
    & skf21("5","4","2","3","2","2","6","1") = "5"
    & skf21("5","4","2","3","2","2","7","1") = "6"
    & skf21("5","4","2","3","2","3","1","1") = "4"
    & skf21("5","4","2","3","2","3","2","1") = "4"
    & skf21("5","4","2","3","2","3","3","1") = "4"
    & skf21("5","4","2","3","2","3","4","1") = "4"
    & skf21("5","4","2","3","2","3","5","1") = "4"
    & skf21("5","4","2","3","2","3","6","1") = "5"
    & skf21("5","4","2","3","2","3","7","1") = "6"
    & skf21("5","4","2","3","2","4","1","1") = "4"
    & skf21("5","4","2","3","2","4","2","1") = "4"
    & skf21("5","4","2","3","2","4","3","1") = "4"
    & skf21("5","4","2","3","2","4","4","1") = "4"
    & skf21("5","4","2","3","2","4","5","1") = "4"
    & skf21("5","4","2","3","2","4","6","1") = "5"
    & skf21("5","4","2","3","2","4","7","1") = "6"
    & skf21("5","4","2","3","2","5","1","1") = "4"
    & skf21("5","4","2","3","2","5","2","1") = "4"
    & skf21("5","4","2","3","2","5","3","1") = "4"
    & skf21("5","4","2","3","2","5","4","1") = "4"
    & skf21("5","4","2","3","2","5","5","1") = "4"
    & skf21("5","4","2","3","2","5","6","1") = "5"
    & skf21("5","4","2","3","2","5","7","1") = "6"
    & skf21("5","4","2","3","2","6","1","1") = "5"
    & skf21("5","4","2","3","2","6","2","1") = "5"
    & skf21("5","4","2","3","2","6","3","1") = "5"
    & skf21("5","4","2","3","2","6","4","1") = "5"
    & skf21("5","4","2","3","2","6","5","1") = "5"
    & skf21("5","4","2","3","2","6","6","1") = "5"
    & skf21("5","4","2","3","2","6","7","1") = "6"
    & skf21("5","4","2","3","2","7","1","1") = "6"
    & skf21("5","4","2","3","2","7","2","1") = "6"
    & skf21("5","4","2","3","2","7","3","1") = "6"
    & skf21("5","4","2","3","2","7","4","1") = "6"
    & skf21("5","4","2","3","2","7","5","1") = "6"
    & skf21("5","4","2","3","2","7","6","1") = "6"
    & skf21("5","4","2","3","2","7","7","1") = "6"
    & skf21("5","4","2","3","3","1","1","1") = "4"
    & skf21("5","4","2","3","3","1","2","1") = "4"
    & skf21("5","4","2","3","3","1","3","1") = "4"
    & skf21("5","4","2","3","3","1","4","1") = "4"
    & skf21("5","4","2","3","3","1","5","1") = "4"
    & skf21("5","4","2","3","3","1","6","1") = "5"
    & skf21("5","4","2","3","3","1","7","1") = "6"
    & skf21("5","4","2","3","3","2","1","1") = "4"
    & skf21("5","4","2","3","3","2","2","1") = "4"
    & skf21("5","4","2","3","3","2","3","1") = "4"
    & skf21("5","4","2","3","3","2","4","1") = "4"
    & skf21("5","4","2","3","3","2","5","1") = "4"
    & skf21("5","4","2","3","3","2","6","1") = "5"
    & skf21("5","4","2","3","3","2","7","1") = "6"
    & skf21("5","4","2","3","3","3","1","1") = "4"
    & skf21("5","4","2","3","3","3","2","1") = "4"
    & skf21("5","4","2","3","3","3","3","1") = "4"
    & skf21("5","4","2","3","3","3","4","1") = "4"
    & skf21("5","4","2","3","3","3","5","1") = "4"
    & skf21("5","4","2","3","3","3","6","1") = "5"
    & skf21("5","4","2","3","3","3","7","1") = "6"
    & skf21("5","4","2","3","3","4","1","1") = "4"
    & skf21("5","4","2","3","3","4","2","1") = "4"
    & skf21("5","4","2","3","3","4","3","1") = "4"
    & skf21("5","4","2","3","3","4","4","1") = "4"
    & skf21("5","4","2","3","3","4","5","1") = "4"
    & skf21("5","4","2","3","3","4","6","1") = "5"
    & skf21("5","4","2","3","3","4","7","1") = "6"
    & skf21("5","4","2","3","3","5","1","1") = "4"
    & skf21("5","4","2","3","3","5","2","1") = "4"
    & skf21("5","4","2","3","3","5","3","1") = "4"
    & skf21("5","4","2","3","3","5","4","1") = "4"
    & skf21("5","4","2","3","3","5","5","1") = "4"
    & skf21("5","4","2","3","3","5","6","1") = "5"
    & skf21("5","4","2","3","3","5","7","1") = "6"
    & skf21("5","4","2","3","3","6","1","1") = "5"
    & skf21("5","4","2","3","3","6","2","1") = "5"
    & skf21("5","4","2","3","3","6","3","1") = "5"
    & skf21("5","4","2","3","3","6","4","1") = "5"
    & skf21("5","4","2","3","3","6","5","1") = "5"
    & skf21("5","4","2","3","3","6","6","1") = "5"
    & skf21("5","4","2","3","3","6","7","1") = "6"
    & skf21("5","4","2","3","3","7","1","1") = "6"
    & skf21("5","4","2","3","3","7","2","1") = "6"
    & skf21("5","4","2","3","3","7","3","1") = "6"
    & skf21("5","4","2","3","3","7","4","1") = "6"
    & skf21("5","4","2","3","3","7","5","1") = "6"
    & skf21("5","4","2","3","3","7","6","1") = "6"
    & skf21("5","4","2","3","3","7","7","1") = "6"
    & skf21("5","4","2","3","4","1","1","1") = "4"
    & skf21("5","4","2","3","4","1","2","1") = "4"
    & skf21("5","4","2","3","4","1","3","1") = "4"
    & skf21("5","4","2","3","4","1","4","1") = "4"
    & skf21("5","4","2","3","4","1","5","1") = "4"
    & skf21("5","4","2","3","4","1","6","1") = "5"
    & skf21("5","4","2","3","4","1","7","1") = "6"
    & skf21("5","4","2","3","4","2","1","1") = "4"
    & skf21("5","4","2","3","4","2","2","1") = "4"
    & skf21("5","4","2","3","4","2","3","1") = "4"
    & skf21("5","4","2","3","4","2","4","1") = "4"
    & skf21("5","4","2","3","4","2","5","1") = "4"
    & skf21("5","4","2","3","4","2","6","1") = "5"
    & skf21("5","4","2","3","4","2","7","1") = "6"
    & skf21("5","4","2","3","4","3","1","1") = "4"
    & skf21("5","4","2","3","4","3","2","1") = "4"
    & skf21("5","4","2","3","4","3","3","1") = "4"
    & skf21("5","4","2","3","4","3","4","1") = "4"
    & skf21("5","4","2","3","4","3","5","1") = "4"
    & skf21("5","4","2","3","4","3","6","1") = "5"
    & skf21("5","4","2","3","4","3","7","1") = "6"
    & skf21("5","4","2","3","4","4","1","1") = "4"
    & skf21("5","4","2","3","4","4","2","1") = "4"
    & skf21("5","4","2","3","4","4","3","1") = "4"
    & skf21("5","4","2","3","4","4","4","1") = "4"
    & skf21("5","4","2","3","4","4","5","1") = "4"
    & skf21("5","4","2","3","4","4","6","1") = "5"
    & skf21("5","4","2","3","4","4","7","1") = "6"
    & skf21("5","4","2","3","4","5","1","1") = "4"
    & skf21("5","4","2","3","4","5","2","1") = "4"
    & skf21("5","4","2","3","4","5","3","1") = "4"
    & skf21("5","4","2","3","4","5","4","1") = "4"
    & skf21("5","4","2","3","4","5","5","1") = "4"
    & skf21("5","4","2","3","4","5","6","1") = "5"
    & skf21("5","4","2","3","4","5","7","1") = "6"
    & skf21("5","4","2","3","4","6","1","1") = "5"
    & skf21("5","4","2","3","4","6","2","1") = "5"
    & skf21("5","4","2","3","4","6","3","1") = "5"
    & skf21("5","4","2","3","4","6","4","1") = "5"
    & skf21("5","4","2","3","4","6","5","1") = "5"
    & skf21("5","4","2","3","4","6","6","1") = "5"
    & skf21("5","4","2","3","4","6","7","1") = "6"
    & skf21("5","4","2","3","4","7","1","1") = "6"
    & skf21("5","4","2","3","4","7","2","1") = "6"
    & skf21("5","4","2","3","4","7","3","1") = "6"
    & skf21("5","4","2","3","4","7","4","1") = "6"
    & skf21("5","4","2","3","4","7","5","1") = "6"
    & skf21("5","4","2","3","4","7","6","1") = "6"
    & skf21("5","4","2","3","4","7","7","1") = "6"
    & skf21("5","4","2","3","5","1","1","1") = "4"
    & skf21("5","4","2","3","5","1","2","1") = "4"
    & skf21("5","4","2","3","5","1","3","1") = "4"
    & skf21("5","4","2","3","5","1","4","1") = "4"
    & skf21("5","4","2","3","5","1","5","1") = "4"
    & skf21("5","4","2","3","5","1","6","1") = "5"
    & skf21("5","4","2","3","5","1","7","1") = "6"
    & skf21("5","4","2","3","5","2","1","1") = "4"
    & skf21("5","4","2","3","5","2","2","1") = "4"
    & skf21("5","4","2","3","5","2","3","1") = "4"
    & skf21("5","4","2","3","5","2","4","1") = "4"
    & skf21("5","4","2","3","5","2","5","1") = "4"
    & skf21("5","4","2","3","5","2","6","1") = "5"
    & skf21("5","4","2","3","5","2","7","1") = "6"
    & skf21("5","4","2","3","5","3","1","1") = "4"
    & skf21("5","4","2","3","5","3","2","1") = "4"
    & skf21("5","4","2","3","5","3","3","1") = "4"
    & skf21("5","4","2","3","5","3","4","1") = "4"
    & skf21("5","4","2","3","5","3","5","1") = "4"
    & skf21("5","4","2","3","5","3","6","1") = "5"
    & skf21("5","4","2","3","5","3","7","1") = "6"
    & skf21("5","4","2","3","5","4","1","1") = "4"
    & skf21("5","4","2","3","5","4","2","1") = "4"
    & skf21("5","4","2","3","5","4","3","1") = "4"
    & skf21("5","4","2","3","5","4","4","1") = "4"
    & skf21("5","4","2","3","5","4","5","1") = "4"
    & skf21("5","4","2","3","5","4","6","1") = "5"
    & skf21("5","4","2","3","5","4","7","1") = "6"
    & skf21("5","4","2","3","5","5","1","1") = "4"
    & skf21("5","4","2","3","5","5","2","1") = "4"
    & skf21("5","4","2","3","5","5","3","1") = "4"
    & skf21("5","4","2","3","5","5","4","1") = "4"
    & skf21("5","4","2","3","5","5","5","1") = "4"
    & skf21("5","4","2","3","5","5","6","1") = "5"
    & skf21("5","4","2","3","5","5","7","1") = "6"
    & skf21("5","4","2","3","5","6","1","1") = "5"
    & skf21("5","4","2","3","5","6","2","1") = "5"
    & skf21("5","4","2","3","5","6","3","1") = "5"
    & skf21("5","4","2","3","5","6","4","1") = "5"
    & skf21("5","4","2","3","5","6","5","1") = "5"
    & skf21("5","4","2","3","5","6","6","1") = "5"
    & skf21("5","4","2","3","5","6","7","1") = "6"
    & skf21("5","4","2","3","5","7","1","1") = "6"
    & skf21("5","4","2","3","5","7","2","1") = "6"
    & skf21("5","4","2","3","5","7","3","1") = "6"
    & skf21("5","4","2","3","5","7","4","1") = "6"
    & skf21("5","4","2","3","5","7","5","1") = "6"
    & skf21("5","4","2","3","5","7","6","1") = "6"
    & skf21("5","4","2","3","5","7","7","1") = "6"
    & skf21("5","4","2","3","6","1","1","1") = "5"
    & skf21("5","4","2","3","6","1","2","1") = "5"
    & skf21("5","4","2","3","6","1","3","1") = "5"
    & skf21("5","4","2","3","6","1","4","1") = "5"
    & skf21("5","4","2","3","6","1","5","1") = "5"
    & skf21("5","4","2","3","6","1","6","1") = "5"
    & skf21("5","4","2","3","6","1","7","1") = "6"
    & skf21("5","4","2","3","6","2","1","1") = "5"
    & skf21("5","4","2","3","6","2","2","1") = "5"
    & skf21("5","4","2","3","6","2","3","1") = "5"
    & skf21("5","4","2","3","6","2","4","1") = "5"
    & skf21("5","4","2","3","6","2","5","1") = "5"
    & skf21("5","4","2","3","6","2","6","1") = "5"
    & skf21("5","4","2","3","6","2","7","1") = "6"
    & skf21("5","4","2","3","6","3","1","1") = "5"
    & skf21("5","4","2","3","6","3","2","1") = "5"
    & skf21("5","4","2","3","6","3","3","1") = "5"
    & skf21("5","4","2","3","6","3","4","1") = "5"
    & skf21("5","4","2","3","6","3","5","1") = "5"
    & skf21("5","4","2","3","6","3","6","1") = "5"
    & skf21("5","4","2","3","6","3","7","1") = "6"
    & skf21("5","4","2","3","6","4","1","1") = "5"
    & skf21("5","4","2","3","6","4","2","1") = "5"
    & skf21("5","4","2","3","6","4","3","1") = "5"
    & skf21("5","4","2","3","6","4","4","1") = "5"
    & skf21("5","4","2","3","6","4","5","1") = "5"
    & skf21("5","4","2","3","6","4","6","1") = "5"
    & skf21("5","4","2","3","6","4","7","1") = "6"
    & skf21("5","4","2","3","6","5","1","1") = "5"
    & skf21("5","4","2","3","6","5","2","1") = "5"
    & skf21("5","4","2","3","6","5","3","1") = "5"
    & skf21("5","4","2","3","6","5","4","1") = "5"
    & skf21("5","4","2","3","6","5","5","1") = "5"
    & skf21("5","4","2","3","6","5","6","1") = "5"
    & skf21("5","4","2","3","6","5","7","1") = "6"
    & skf21("5","4","2","3","6","6","1","1") = "5"
    & skf21("5","4","2","3","6","6","2","1") = "5"
    & skf21("5","4","2","3","6","6","3","1") = "5"
    & skf21("5","4","2","3","6","6","4","1") = "5"
    & skf21("5","4","2","3","6","6","5","1") = "5"
    & skf21("5","4","2","3","6","6","6","1") = "5"
    & skf21("5","4","2","3","6","6","7","1") = "6"
    & skf21("5","4","2","3","6","7","1","1") = "6"
    & skf21("5","4","2","3","6","7","2","1") = "6"
    & skf21("5","4","2","3","6","7","3","1") = "6"
    & skf21("5","4","2","3","6","7","4","1") = "6"
    & skf21("5","4","2","3","6","7","5","1") = "6"
    & skf21("5","4","2","3","6","7","6","1") = "6"
    & skf21("5","4","2","3","6","7","7","1") = "6"
    & skf21("5","4","2","3","7","1","1","1") = "6"
    & skf21("5","4","2","3","7","1","2","1") = "6"
    & skf21("5","4","2","3","7","1","3","1") = "6"
    & skf21("5","4","2","3","7","1","4","1") = "6"
    & skf21("5","4","2","3","7","1","5","1") = "6"
    & skf21("5","4","2","3","7","1","6","1") = "6"
    & skf21("5","4","2","3","7","1","7","1") = "6"
    & skf21("5","4","2","3","7","2","1","1") = "6"
    & skf21("5","4","2","3","7","2","2","1") = "6"
    & skf21("5","4","2","3","7","2","3","1") = "6"
    & skf21("5","4","2","3","7","2","4","1") = "6"
    & skf21("5","4","2","3","7","2","5","1") = "6"
    & skf21("5","4","2","3","7","2","6","1") = "6"
    & skf21("5","4","2","3","7","2","7","1") = "6"
    & skf21("5","4","2","3","7","3","1","1") = "6"
    & skf21("5","4","2","3","7","3","2","1") = "6"
    & skf21("5","4","2","3","7","3","3","1") = "6"
    & skf21("5","4","2","3","7","3","4","1") = "6"
    & skf21("5","4","2","3","7","3","5","1") = "6"
    & skf21("5","4","2","3","7","3","6","1") = "6"
    & skf21("5","4","2","3","7","3","7","1") = "6"
    & skf21("5","4","2","3","7","4","1","1") = "6"
    & skf21("5","4","2","3","7","4","2","1") = "6"
    & skf21("5","4","2","3","7","4","3","1") = "6"
    & skf21("5","4","2","3","7","4","4","1") = "6"
    & skf21("5","4","2","3","7","4","5","1") = "6"
    & skf21("5","4","2","3","7","4","6","1") = "6"
    & skf21("5","4","2","3","7","4","7","1") = "6"
    & skf21("5","4","2","3","7","5","1","1") = "6"
    & skf21("5","4","2","3","7","5","2","1") = "6"
    & skf21("5","4","2","3","7","5","3","1") = "6"
    & skf21("5","4","2","3","7","5","4","1") = "6"
    & skf21("5","4","2","3","7","5","5","1") = "6"
    & skf21("5","4","2","3","7","5","6","1") = "6"
    & skf21("5","4","2","3","7","5","7","1") = "6"
    & skf21("5","4","2","3","7","6","1","1") = "6"
    & skf21("5","4","2","3","7","6","2","1") = "6"
    & skf21("5","4","2","3","7","6","3","1") = "6"
    & skf21("5","4","2","3","7","6","4","1") = "6"
    & skf21("5","4","2","3","7","6","5","1") = "6"
    & skf21("5","4","2","3","7","6","6","1") = "6"
    & skf21("5","4","2","3","7","6","7","1") = "6"
    & skf21("5","4","2","3","7","7","1","1") = "6"
    & skf21("5","4","2","3","7","7","2","1") = "6"
    & skf21("5","4","2","3","7","7","3","1") = "6"
    & skf21("5","4","2","3","7","7","4","1") = "6"
    & skf21("5","4","2","3","7","7","5","1") = "6"
    & skf21("5","4","2","3","7","7","6","1") = "6"
    & skf21("5","4","2","3","7","7","7","1") = "6"
    & skf21("5","4","2","4","1","1","1","1") = "4"
    & skf21("5","4","2","4","1","1","2","1") = "4"
    & skf21("5","4","2","4","1","1","3","1") = "4"
    & skf21("5","4","2","4","1","1","4","1") = "4"
    & skf21("5","4","2","4","1","1","5","1") = "4"
    & skf21("5","4","2","4","1","1","6","1") = "5"
    & skf21("5","4","2","4","1","1","7","1") = "6"
    & skf21("5","4","2","4","1","2","1","1") = "4"
    & skf21("5","4","2","4","1","2","2","1") = "4"
    & skf21("5","4","2","4","1","2","3","1") = "4"
    & skf21("5","4","2","4","1","2","4","1") = "4"
    & skf21("5","4","2","4","1","2","5","1") = "4"
    & skf21("5","4","2","4","1","2","6","1") = "5"
    & skf21("5","4","2","4","1","2","7","1") = "6"
    & skf21("5","4","2","4","1","3","1","1") = "4"
    & skf21("5","4","2","4","1","3","2","1") = "4"
    & skf21("5","4","2","4","1","3","3","1") = "4"
    & skf21("5","4","2","4","1","3","4","1") = "4"
    & skf21("5","4","2","4","1","3","5","1") = "4"
    & skf21("5","4","2","4","1","3","6","1") = "5"
    & skf21("5","4","2","4","1","3","7","1") = "6"
    & skf21("5","4","2","4","1","4","1","1") = "4"
    & skf21("5","4","2","4","1","4","2","1") = "4"
    & skf21("5","4","2","4","1","4","3","1") = "4"
    & skf21("5","4","2","4","1","4","4","1") = "4"
    & skf21("5","4","2","4","1","4","5","1") = "4"
    & skf21("5","4","2","4","1","4","6","1") = "5"
    & skf21("5","4","2","4","1","4","7","1") = "6"
    & skf21("5","4","2","4","1","5","1","1") = "4"
    & skf21("5","4","2","4","1","5","2","1") = "4"
    & skf21("5","4","2","4","1","5","3","1") = "4"
    & skf21("5","4","2","4","1","5","4","1") = "4"
    & skf21("5","4","2","4","1","5","5","1") = "4"
    & skf21("5","4","2","4","1","5","6","1") = "5"
    & skf21("5","4","2","4","1","5","7","1") = "6"
    & skf21("5","4","2","4","1","6","1","1") = "5"
    & skf21("5","4","2","4","1","6","2","1") = "5"
    & skf21("5","4","2","4","1","6","3","1") = "5"
    & skf21("5","4","2","4","1","6","4","1") = "5"
    & skf21("5","4","2","4","1","6","5","1") = "5"
    & skf21("5","4","2","4","1","6","6","1") = "5"
    & skf21("5","4","2","4","1","6","7","1") = "6"
    & skf21("5","4","2","4","1","7","1","1") = "6"
    & skf21("5","4","2","4","1","7","2","1") = "6"
    & skf21("5","4","2","4","1","7","3","1") = "6"
    & skf21("5","4","2","4","1","7","4","1") = "6"
    & skf21("5","4","2","4","1","7","5","1") = "6"
    & skf21("5","4","2","4","1","7","6","1") = "6"
    & skf21("5","4","2","4","1","7","7","1") = "6"
    & skf21("5","4","2","4","2","1","1","1") = "4"
    & skf21("5","4","2","4","2","1","2","1") = "4"
    & skf21("5","4","2","4","2","1","3","1") = "4"
    & skf21("5","4","2","4","2","1","4","1") = "4"
    & skf21("5","4","2","4","2","1","5","1") = "4"
    & skf21("5","4","2","4","2","1","6","1") = "5"
    & skf21("5","4","2","4","2","1","7","1") = "6"
    & skf21("5","4","2","4","2","2","1","1") = "4"
    & skf21("5","4","2","4","2","2","2","1") = "4"
    & skf21("5","4","2","4","2","2","3","1") = "4"
    & skf21("5","4","2","4","2","2","4","1") = "4"
    & skf21("5","4","2","4","2","2","5","1") = "4"
    & skf21("5","4","2","4","2","2","6","1") = "5"
    & skf21("5","4","2","4","2","2","7","1") = "6"
    & skf21("5","4","2","4","2","3","1","1") = "4"
    & skf21("5","4","2","4","2","3","2","1") = "4"
    & skf21("5","4","2","4","2","3","3","1") = "4"
    & skf21("5","4","2","4","2","3","4","1") = "4"
    & skf21("5","4","2","4","2","3","5","1") = "4"
    & skf21("5","4","2","4","2","3","6","1") = "5"
    & skf21("5","4","2","4","2","3","7","1") = "6"
    & skf21("5","4","2","4","2","4","1","1") = "4"
    & skf21("5","4","2","4","2","4","2","1") = "4"
    & skf21("5","4","2","4","2","4","3","1") = "4"
    & skf21("5","4","2","4","2","4","4","1") = "4"
    & skf21("5","4","2","4","2","4","5","1") = "4"
    & skf21("5","4","2","4","2","4","6","1") = "5"
    & skf21("5","4","2","4","2","4","7","1") = "6"
    & skf21("5","4","2","4","2","5","1","1") = "4"
    & skf21("5","4","2","4","2","5","2","1") = "4"
    & skf21("5","4","2","4","2","5","3","1") = "4"
    & skf21("5","4","2","4","2","5","4","1") = "4"
    & skf21("5","4","2","4","2","5","5","1") = "4"
    & skf21("5","4","2","4","2","5","6","1") = "5"
    & skf21("5","4","2","4","2","5","7","1") = "6"
    & skf21("5","4","2","4","2","6","1","1") = "5"
    & skf21("5","4","2","4","2","6","2","1") = "5"
    & skf21("5","4","2","4","2","6","3","1") = "5"
    & skf21("5","4","2","4","2","6","4","1") = "5"
    & skf21("5","4","2","4","2","6","5","1") = "5"
    & skf21("5","4","2","4","2","6","6","1") = "5"
    & skf21("5","4","2","4","2","6","7","1") = "6"
    & skf21("5","4","2","4","2","7","1","1") = "6"
    & skf21("5","4","2","4","2","7","2","1") = "6"
    & skf21("5","4","2","4","2","7","3","1") = "6"
    & skf21("5","4","2","4","2","7","4","1") = "6"
    & skf21("5","4","2","4","2","7","5","1") = "6"
    & skf21("5","4","2","4","2","7","6","1") = "6"
    & skf21("5","4","2","4","2","7","7","1") = "6"
    & skf21("5","4","2","4","3","1","1","1") = "4"
    & skf21("5","4","2","4","3","1","2","1") = "4"
    & skf21("5","4","2","4","3","1","3","1") = "4"
    & skf21("5","4","2","4","3","1","4","1") = "4"
    & skf21("5","4","2","4","3","1","5","1") = "4"
    & skf21("5","4","2","4","3","1","6","1") = "5"
    & skf21("5","4","2","4","3","1","7","1") = "6"
    & skf21("5","4","2","4","3","2","1","1") = "4"
    & skf21("5","4","2","4","3","2","2","1") = "4"
    & skf21("5","4","2","4","3","2","3","1") = "4"
    & skf21("5","4","2","4","3","2","4","1") = "4"
    & skf21("5","4","2","4","3","2","5","1") = "4"
    & skf21("5","4","2","4","3","2","6","1") = "5"
    & skf21("5","4","2","4","3","2","7","1") = "6"
    & skf21("5","4","2","4","3","3","1","1") = "4"
    & skf21("5","4","2","4","3","3","2","1") = "4"
    & skf21("5","4","2","4","3","3","3","1") = "4"
    & skf21("5","4","2","4","3","3","4","1") = "4"
    & skf21("5","4","2","4","3","3","5","1") = "4"
    & skf21("5","4","2","4","3","3","6","1") = "5"
    & skf21("5","4","2","4","3","3","7","1") = "6"
    & skf21("5","4","2","4","3","4","1","1") = "4"
    & skf21("5","4","2","4","3","4","2","1") = "4"
    & skf21("5","4","2","4","3","4","3","1") = "4"
    & skf21("5","4","2","4","3","4","4","1") = "4"
    & skf21("5","4","2","4","3","4","5","1") = "4"
    & skf21("5","4","2","4","3","4","6","1") = "5"
    & skf21("5","4","2","4","3","4","7","1") = "6"
    & skf21("5","4","2","4","3","5","1","1") = "4"
    & skf21("5","4","2","4","3","5","2","1") = "4"
    & skf21("5","4","2","4","3","5","3","1") = "4"
    & skf21("5","4","2","4","3","5","4","1") = "4"
    & skf21("5","4","2","4","3","5","5","1") = "4"
    & skf21("5","4","2","4","3","5","6","1") = "5"
    & skf21("5","4","2","4","3","5","7","1") = "6"
    & skf21("5","4","2","4","3","6","1","1") = "5"
    & skf21("5","4","2","4","3","6","2","1") = "5"
    & skf21("5","4","2","4","3","6","3","1") = "5"
    & skf21("5","4","2","4","3","6","4","1") = "5"
    & skf21("5","4","2","4","3","6","5","1") = "5"
    & skf21("5","4","2","4","3","6","6","1") = "5"
    & skf21("5","4","2","4","3","6","7","1") = "6"
    & skf21("5","4","2","4","3","7","1","1") = "6"
    & skf21("5","4","2","4","3","7","2","1") = "6"
    & skf21("5","4","2","4","3","7","3","1") = "6"
    & skf21("5","4","2","4","3","7","4","1") = "6"
    & skf21("5","4","2","4","3","7","5","1") = "6"
    & skf21("5","4","2","4","3","7","6","1") = "6"
    & skf21("5","4","2","4","3","7","7","1") = "6"
    & skf21("5","4","2","4","4","1","1","1") = "4"
    & skf21("5","4","2","4","4","1","2","1") = "4"
    & skf21("5","4","2","4","4","1","3","1") = "4"
    & skf21("5","4","2","4","4","1","4","1") = "4"
    & skf21("5","4","2","4","4","1","5","1") = "4"
    & skf21("5","4","2","4","4","1","6","1") = "5"
    & skf21("5","4","2","4","4","1","7","1") = "6"
    & skf21("5","4","2","4","4","2","1","1") = "4"
    & skf21("5","4","2","4","4","2","2","1") = "4"
    & skf21("5","4","2","4","4","2","3","1") = "4"
    & skf21("5","4","2","4","4","2","4","1") = "4"
    & skf21("5","4","2","4","4","2","5","1") = "4"
    & skf21("5","4","2","4","4","2","6","1") = "5"
    & skf21("5","4","2","4","4","2","7","1") = "6"
    & skf21("5","4","2","4","4","3","1","1") = "4"
    & skf21("5","4","2","4","4","3","2","1") = "4"
    & skf21("5","4","2","4","4","3","3","1") = "4"
    & skf21("5","4","2","4","4","3","4","1") = "4"
    & skf21("5","4","2","4","4","3","5","1") = "4"
    & skf21("5","4","2","4","4","3","6","1") = "5"
    & skf21("5","4","2","4","4","3","7","1") = "6"
    & skf21("5","4","2","4","4","4","1","1") = "4"
    & skf21("5","4","2","4","4","4","2","1") = "4"
    & skf21("5","4","2","4","4","4","3","1") = "4"
    & skf21("5","4","2","4","4","4","4","1") = "4"
    & skf21("5","4","2","4","4","4","5","1") = "4"
    & skf21("5","4","2","4","4","4","6","1") = "5"
    & skf21("5","4","2","4","4","4","7","1") = "6"
    & skf21("5","4","2","4","4","5","1","1") = "4"
    & skf21("5","4","2","4","4","5","2","1") = "4"
    & skf21("5","4","2","4","4","5","3","1") = "4"
    & skf21("5","4","2","4","4","5","4","1") = "4"
    & skf21("5","4","2","4","4","5","5","1") = "4"
    & skf21("5","4","2","4","4","5","6","1") = "5"
    & skf21("5","4","2","4","4","5","7","1") = "6"
    & skf21("5","4","2","4","4","6","1","1") = "5"
    & skf21("5","4","2","4","4","6","2","1") = "5"
    & skf21("5","4","2","4","4","6","3","1") = "5"
    & skf21("5","4","2","4","4","6","4","1") = "5"
    & skf21("5","4","2","4","4","6","5","1") = "5"
    & skf21("5","4","2","4","4","6","6","1") = "5"
    & skf21("5","4","2","4","4","6","7","1") = "6"
    & skf21("5","4","2","4","4","7","1","1") = "6"
    & skf21("5","4","2","4","4","7","2","1") = "6"
    & skf21("5","4","2","4","4","7","3","1") = "6"
    & skf21("5","4","2","4","4","7","4","1") = "6"
    & skf21("5","4","2","4","4","7","5","1") = "6"
    & skf21("5","4","2","4","4","7","6","1") = "6"
    & skf21("5","4","2","4","4","7","7","1") = "6"
    & skf21("5","4","2","4","5","1","1","1") = "4"
    & skf21("5","4","2","4","5","1","2","1") = "4"
    & skf21("5","4","2","4","5","1","3","1") = "4"
    & skf21("5","4","2","4","5","1","4","1") = "4"
    & skf21("5","4","2","4","5","1","5","1") = "4"
    & skf21("5","4","2","4","5","1","6","1") = "5"
    & skf21("5","4","2","4","5","1","7","1") = "6"
    & skf21("5","4","2","4","5","2","1","1") = "4"
    & skf21("5","4","2","4","5","2","2","1") = "4"
    & skf21("5","4","2","4","5","2","3","1") = "4"
    & skf21("5","4","2","4","5","2","4","1") = "4"
    & skf21("5","4","2","4","5","2","5","1") = "4"
    & skf21("5","4","2","4","5","2","6","1") = "5"
    & skf21("5","4","2","4","5","2","7","1") = "6"
    & skf21("5","4","2","4","5","3","1","1") = "4"
    & skf21("5","4","2","4","5","3","2","1") = "4"
    & skf21("5","4","2","4","5","3","3","1") = "4"
    & skf21("5","4","2","4","5","3","4","1") = "4"
    & skf21("5","4","2","4","5","3","5","1") = "4"
    & skf21("5","4","2","4","5","3","6","1") = "5"
    & skf21("5","4","2","4","5","3","7","1") = "6"
    & skf21("5","4","2","4","5","4","1","1") = "4"
    & skf21("5","4","2","4","5","4","2","1") = "4"
    & skf21("5","4","2","4","5","4","3","1") = "4"
    & skf21("5","4","2","4","5","4","4","1") = "4"
    & skf21("5","4","2","4","5","4","5","1") = "4"
    & skf21("5","4","2","4","5","4","6","1") = "5"
    & skf21("5","4","2","4","5","4","7","1") = "6"
    & skf21("5","4","2","4","5","5","1","1") = "4"
    & skf21("5","4","2","4","5","5","2","1") = "4"
    & skf21("5","4","2","4","5","5","3","1") = "4"
    & skf21("5","4","2","4","5","5","4","1") = "4"
    & skf21("5","4","2","4","5","5","5","1") = "4"
    & skf21("5","4","2","4","5","5","6","1") = "5"
    & skf21("5","4","2","4","5","5","7","1") = "6"
    & skf21("5","4","2","4","5","6","1","1") = "5"
    & skf21("5","4","2","4","5","6","2","1") = "5"
    & skf21("5","4","2","4","5","6","3","1") = "5"
    & skf21("5","4","2","4","5","6","4","1") = "5"
    & skf21("5","4","2","4","5","6","5","1") = "5"
    & skf21("5","4","2","4","5","6","6","1") = "5"
    & skf21("5","4","2","4","5","6","7","1") = "6"
    & skf21("5","4","2","4","5","7","1","1") = "6"
    & skf21("5","4","2","4","5","7","2","1") = "6"
    & skf21("5","4","2","4","5","7","3","1") = "6"
    & skf21("5","4","2","4","5","7","4","1") = "6"
    & skf21("5","4","2","4","5","7","5","1") = "6"
    & skf21("5","4","2","4","5","7","6","1") = "6"
    & skf21("5","4","2","4","5","7","7","1") = "6"
    & skf21("5","4","2","4","6","1","1","1") = "5"
    & skf21("5","4","2","4","6","1","2","1") = "5"
    & skf21("5","4","2","4","6","1","3","1") = "5"
    & skf21("5","4","2","4","6","1","4","1") = "5"
    & skf21("5","4","2","4","6","1","5","1") = "5"
    & skf21("5","4","2","4","6","1","6","1") = "5"
    & skf21("5","4","2","4","6","1","7","1") = "6"
    & skf21("5","4","2","4","6","2","1","1") = "5"
    & skf21("5","4","2","4","6","2","2","1") = "5"
    & skf21("5","4","2","4","6","2","3","1") = "5"
    & skf21("5","4","2","4","6","2","4","1") = "5"
    & skf21("5","4","2","4","6","2","5","1") = "5"
    & skf21("5","4","2","4","6","2","6","1") = "5"
    & skf21("5","4","2","4","6","2","7","1") = "6"
    & skf21("5","4","2","4","6","3","1","1") = "5"
    & skf21("5","4","2","4","6","3","2","1") = "5"
    & skf21("5","4","2","4","6","3","3","1") = "5"
    & skf21("5","4","2","4","6","3","4","1") = "5"
    & skf21("5","4","2","4","6","3","5","1") = "5"
    & skf21("5","4","2","4","6","3","6","1") = "5"
    & skf21("5","4","2","4","6","3","7","1") = "6"
    & skf21("5","4","2","4","6","4","1","1") = "5"
    & skf21("5","4","2","4","6","4","2","1") = "5"
    & skf21("5","4","2","4","6","4","3","1") = "5"
    & skf21("5","4","2","4","6","4","4","1") = "5"
    & skf21("5","4","2","4","6","4","5","1") = "5"
    & skf21("5","4","2","4","6","4","6","1") = "5"
    & skf21("5","4","2","4","6","4","7","1") = "6"
    & skf21("5","4","2","4","6","5","1","1") = "5"
    & skf21("5","4","2","4","6","5","2","1") = "5"
    & skf21("5","4","2","4","6","5","3","1") = "5"
    & skf21("5","4","2","4","6","5","4","1") = "5"
    & skf21("5","4","2","4","6","5","5","1") = "5"
    & skf21("5","4","2","4","6","5","6","1") = "5"
    & skf21("5","4","2","4","6","5","7","1") = "6"
    & skf21("5","4","2","4","6","6","1","1") = "5"
    & skf21("5","4","2","4","6","6","2","1") = "5"
    & skf21("5","4","2","4","6","6","3","1") = "5"
    & skf21("5","4","2","4","6","6","4","1") = "5"
    & skf21("5","4","2","4","6","6","5","1") = "5"
    & skf21("5","4","2","4","6","6","6","1") = "5"
    & skf21("5","4","2","4","6","6","7","1") = "6"
    & skf21("5","4","2","4","6","7","1","1") = "6"
    & skf21("5","4","2","4","6","7","2","1") = "6"
    & skf21("5","4","2","4","6","7","3","1") = "6"
    & skf21("5","4","2","4","6","7","4","1") = "6"
    & skf21("5","4","2","4","6","7","5","1") = "6"
    & skf21("5","4","2","4","6","7","6","1") = "6"
    & skf21("5","4","2","4","6","7","7","1") = "6"
    & skf21("5","4","2","4","7","1","1","1") = "6"
    & skf21("5","4","2","4","7","1","2","1") = "6"
    & skf21("5","4","2","4","7","1","3","1") = "6"
    & skf21("5","4","2","4","7","1","4","1") = "6"
    & skf21("5","4","2","4","7","1","5","1") = "6"
    & skf21("5","4","2","4","7","1","6","1") = "6"
    & skf21("5","4","2","4","7","1","7","1") = "6"
    & skf21("5","4","2","4","7","2","1","1") = "6"
    & skf21("5","4","2","4","7","2","2","1") = "6"
    & skf21("5","4","2","4","7","2","3","1") = "6"
    & skf21("5","4","2","4","7","2","4","1") = "6"
    & skf21("5","4","2","4","7","2","5","1") = "6"
    & skf21("5","4","2","4","7","2","6","1") = "6"
    & skf21("5","4","2","4","7","2","7","1") = "6"
    & skf21("5","4","2","4","7","3","1","1") = "6"
    & skf21("5","4","2","4","7","3","2","1") = "6"
    & skf21("5","4","2","4","7","3","3","1") = "6"
    & skf21("5","4","2","4","7","3","4","1") = "6"
    & skf21("5","4","2","4","7","3","5","1") = "6"
    & skf21("5","4","2","4","7","3","6","1") = "6"
    & skf21("5","4","2","4","7","3","7","1") = "6"
    & skf21("5","4","2","4","7","4","1","1") = "6"
    & skf21("5","4","2","4","7","4","2","1") = "6"
    & skf21("5","4","2","4","7","4","3","1") = "6"
    & skf21("5","4","2","4","7","4","4","1") = "6"
    & skf21("5","4","2","4","7","4","5","1") = "6"
    & skf21("5","4","2","4","7","4","6","1") = "6"
    & skf21("5","4","2","4","7","4","7","1") = "6"
    & skf21("5","4","2","4","7","5","1","1") = "6"
    & skf21("5","4","2","4","7","5","2","1") = "6"
    & skf21("5","4","2","4","7","5","3","1") = "6"
    & skf21("5","4","2","4","7","5","4","1") = "6"
    & skf21("5","4","2","4","7","5","5","1") = "6"
    & skf21("5","4","2","4","7","5","6","1") = "6"
    & skf21("5","4","2","4","7","5","7","1") = "6"
    & skf21("5","4","2","4","7","6","1","1") = "6"
    & skf21("5","4","2","4","7","6","2","1") = "6"
    & skf21("5","4","2","4","7","6","3","1") = "6"
    & skf21("5","4","2","4","7","6","4","1") = "6"
    & skf21("5","4","2","4","7","6","5","1") = "6"
    & skf21("5","4","2","4","7","6","6","1") = "6"
    & skf21("5","4","2","4","7","6","7","1") = "6"
    & skf21("5","4","2","4","7","7","1","1") = "6"
    & skf21("5","4","2","4","7","7","2","1") = "6"
    & skf21("5","4","2","4","7","7","3","1") = "6"
    & skf21("5","4","2","4","7","7","4","1") = "6"
    & skf21("5","4","2","4","7","7","5","1") = "6"
    & skf21("5","4","2","4","7","7","6","1") = "6"
    & skf21("5","4","2","4","7","7","7","1") = "6"
    & skf21("5","4","2","5","1","1","1","1") = "4"
    & skf21("5","4","2","5","1","1","2","1") = "4"
    & skf21("5","4","2","5","1","1","3","1") = "4"
    & skf21("5","4","2","5","1","1","4","1") = "4"
    & skf21("5","4","2","5","1","1","5","1") = "4"
    & skf21("5","4","2","5","1","1","6","1") = "5"
    & skf21("5","4","2","5","1","1","7","1") = "6"
    & skf21("5","4","2","5","1","2","1","1") = "4"
    & skf21("5","4","2","5","1","2","2","1") = "4"
    & skf21("5","4","2","5","1","2","3","1") = "4"
    & skf21("5","4","2","5","1","2","4","1") = "4"
    & skf21("5","4","2","5","1","2","5","1") = "4"
    & skf21("5","4","2","5","1","2","6","1") = "5"
    & skf21("5","4","2","5","1","2","7","1") = "6"
    & skf21("5","4","2","5","1","3","1","1") = "4"
    & skf21("5","4","2","5","1","3","2","1") = "4"
    & skf21("5","4","2","5","1","3","3","1") = "4"
    & skf21("5","4","2","5","1","3","4","1") = "4"
    & skf21("5","4","2","5","1","3","5","1") = "4"
    & skf21("5","4","2","5","1","3","6","1") = "5"
    & skf21("5","4","2","5","1","3","7","1") = "6"
    & skf21("5","4","2","5","1","4","1","1") = "4"
    & skf21("5","4","2","5","1","4","2","1") = "4"
    & skf21("5","4","2","5","1","4","3","1") = "4"
    & skf21("5","4","2","5","1","4","4","1") = "4"
    & skf21("5","4","2","5","1","4","5","1") = "4"
    & skf21("5","4","2","5","1","4","6","1") = "5"
    & skf21("5","4","2","5","1","4","7","1") = "6"
    & skf21("5","4","2","5","1","5","1","1") = "4"
    & skf21("5","4","2","5","1","5","2","1") = "4"
    & skf21("5","4","2","5","1","5","3","1") = "4"
    & skf21("5","4","2","5","1","5","4","1") = "4"
    & skf21("5","4","2","5","1","5","5","1") = "4"
    & skf21("5","4","2","5","1","5","6","1") = "5"
    & skf21("5","4","2","5","1","5","7","1") = "6"
    & skf21("5","4","2","5","1","6","1","1") = "5"
    & skf21("5","4","2","5","1","6","2","1") = "5"
    & skf21("5","4","2","5","1","6","3","1") = "5"
    & skf21("5","4","2","5","1","6","4","1") = "5"
    & skf21("5","4","2","5","1","6","5","1") = "5"
    & skf21("5","4","2","5","1","6","6","1") = "5"
    & skf21("5","4","2","5","1","6","7","1") = "6"
    & skf21("5","4","2","5","1","7","1","1") = "6"
    & skf21("5","4","2","5","1","7","2","1") = "6"
    & skf21("5","4","2","5","1","7","3","1") = "6"
    & skf21("5","4","2","5","1","7","4","1") = "6"
    & skf21("5","4","2","5","1","7","5","1") = "6"
    & skf21("5","4","2","5","1","7","6","1") = "6"
    & skf21("5","4","2","5","1","7","7","1") = "6"
    & skf21("5","4","2","5","2","1","1","1") = "4"
    & skf21("5","4","2","5","2","1","2","1") = "4"
    & skf21("5","4","2","5","2","1","3","1") = "4"
    & skf21("5","4","2","5","2","1","4","1") = "4"
    & skf21("5","4","2","5","2","1","5","1") = "4"
    & skf21("5","4","2","5","2","1","6","1") = "5"
    & skf21("5","4","2","5","2","1","7","1") = "6"
    & skf21("5","4","2","5","2","2","1","1") = "4"
    & skf21("5","4","2","5","2","2","2","1") = "4"
    & skf21("5","4","2","5","2","2","3","1") = "4"
    & skf21("5","4","2","5","2","2","4","1") = "4"
    & skf21("5","4","2","5","2","2","5","1") = "4"
    & skf21("5","4","2","5","2","2","6","1") = "5"
    & skf21("5","4","2","5","2","2","7","1") = "6"
    & skf21("5","4","2","5","2","3","1","1") = "4"
    & skf21("5","4","2","5","2","3","2","1") = "4"
    & skf21("5","4","2","5","2","3","3","1") = "4"
    & skf21("5","4","2","5","2","3","4","1") = "4"
    & skf21("5","4","2","5","2","3","5","1") = "4"
    & skf21("5","4","2","5","2","3","6","1") = "5"
    & skf21("5","4","2","5","2","3","7","1") = "6"
    & skf21("5","4","2","5","2","4","1","1") = "4"
    & skf21("5","4","2","5","2","4","2","1") = "4"
    & skf21("5","4","2","5","2","4","3","1") = "4"
    & skf21("5","4","2","5","2","4","4","1") = "4"
    & skf21("5","4","2","5","2","4","5","1") = "4"
    & skf21("5","4","2","5","2","4","6","1") = "5"
    & skf21("5","4","2","5","2","4","7","1") = "6"
    & skf21("5","4","2","5","2","5","1","1") = "4"
    & skf21("5","4","2","5","2","5","2","1") = "4"
    & skf21("5","4","2","5","2","5","3","1") = "4"
    & skf21("5","4","2","5","2","5","4","1") = "4"
    & skf21("5","4","2","5","2","5","5","1") = "4"
    & skf21("5","4","2","5","2","5","6","1") = "5"
    & skf21("5","4","2","5","2","5","7","1") = "6"
    & skf21("5","4","2","5","2","6","1","1") = "5"
    & skf21("5","4","2","5","2","6","2","1") = "5"
    & skf21("5","4","2","5","2","6","3","1") = "5"
    & skf21("5","4","2","5","2","6","4","1") = "5"
    & skf21("5","4","2","5","2","6","5","1") = "5"
    & skf21("5","4","2","5","2","6","6","1") = "5"
    & skf21("5","4","2","5","2","6","7","1") = "6"
    & skf21("5","4","2","5","2","7","1","1") = "6"
    & skf21("5","4","2","5","2","7","2","1") = "6"
    & skf21("5","4","2","5","2","7","3","1") = "6"
    & skf21("5","4","2","5","2","7","4","1") = "6"
    & skf21("5","4","2","5","2","7","5","1") = "6"
    & skf21("5","4","2","5","2","7","6","1") = "6"
    & skf21("5","4","2","5","2","7","7","1") = "6"
    & skf21("5","4","2","5","3","1","1","1") = "4"
    & skf21("5","4","2","5","3","1","2","1") = "4"
    & skf21("5","4","2","5","3","1","3","1") = "4"
    & skf21("5","4","2","5","3","1","4","1") = "4"
    & skf21("5","4","2","5","3","1","5","1") = "4"
    & skf21("5","4","2","5","3","1","6","1") = "5"
    & skf21("5","4","2","5","3","1","7","1") = "6"
    & skf21("5","4","2","5","3","2","1","1") = "4"
    & skf21("5","4","2","5","3","2","2","1") = "4"
    & skf21("5","4","2","5","3","2","3","1") = "4"
    & skf21("5","4","2","5","3","2","4","1") = "4"
    & skf21("5","4","2","5","3","2","5","1") = "4"
    & skf21("5","4","2","5","3","2","6","1") = "5"
    & skf21("5","4","2","5","3","2","7","1") = "6"
    & skf21("5","4","2","5","3","3","1","1") = "4"
    & skf21("5","4","2","5","3","3","2","1") = "4"
    & skf21("5","4","2","5","3","3","3","1") = "4"
    & skf21("5","4","2","5","3","3","4","1") = "4"
    & skf21("5","4","2","5","3","3","5","1") = "4"
    & skf21("5","4","2","5","3","3","6","1") = "5"
    & skf21("5","4","2","5","3","3","7","1") = "6"
    & skf21("5","4","2","5","3","4","1","1") = "4"
    & skf21("5","4","2","5","3","4","2","1") = "4"
    & skf21("5","4","2","5","3","4","3","1") = "4"
    & skf21("5","4","2","5","3","4","4","1") = "4"
    & skf21("5","4","2","5","3","4","5","1") = "4"
    & skf21("5","4","2","5","3","4","6","1") = "5"
    & skf21("5","4","2","5","3","4","7","1") = "6"
    & skf21("5","4","2","5","3","5","1","1") = "4"
    & skf21("5","4","2","5","3","5","2","1") = "4"
    & skf21("5","4","2","5","3","5","3","1") = "4"
    & skf21("5","4","2","5","3","5","4","1") = "4"
    & skf21("5","4","2","5","3","5","5","1") = "4"
    & skf21("5","4","2","5","3","5","6","1") = "5"
    & skf21("5","4","2","5","3","5","7","1") = "6"
    & skf21("5","4","2","5","3","6","1","1") = "5"
    & skf21("5","4","2","5","3","6","2","1") = "5"
    & skf21("5","4","2","5","3","6","3","1") = "5"
    & skf21("5","4","2","5","3","6","4","1") = "5"
    & skf21("5","4","2","5","3","6","5","1") = "5"
    & skf21("5","4","2","5","3","6","6","1") = "5"
    & skf21("5","4","2","5","3","6","7","1") = "6"
    & skf21("5","4","2","5","3","7","1","1") = "6"
    & skf21("5","4","2","5","3","7","2","1") = "6"
    & skf21("5","4","2","5","3","7","3","1") = "6"
    & skf21("5","4","2","5","3","7","4","1") = "6"
    & skf21("5","4","2","5","3","7","5","1") = "6"
    & skf21("5","4","2","5","3","7","6","1") = "6"
    & skf21("5","4","2","5","3","7","7","1") = "6"
    & skf21("5","4","2","5","4","1","1","1") = "4"
    & skf21("5","4","2","5","4","1","2","1") = "4"
    & skf21("5","4","2","5","4","1","3","1") = "4"
    & skf21("5","4","2","5","4","1","4","1") = "4"
    & skf21("5","4","2","5","4","1","5","1") = "4"
    & skf21("5","4","2","5","4","1","6","1") = "5"
    & skf21("5","4","2","5","4","1","7","1") = "6"
    & skf21("5","4","2","5","4","2","1","1") = "4"
    & skf21("5","4","2","5","4","2","2","1") = "4"
    & skf21("5","4","2","5","4","2","3","1") = "4"
    & skf21("5","4","2","5","4","2","4","1") = "4"
    & skf21("5","4","2","5","4","2","5","1") = "4"
    & skf21("5","4","2","5","4","2","6","1") = "5"
    & skf21("5","4","2","5","4","2","7","1") = "6"
    & skf21("5","4","2","5","4","3","1","1") = "4"
    & skf21("5","4","2","5","4","3","2","1") = "4"
    & skf21("5","4","2","5","4","3","3","1") = "4"
    & skf21("5","4","2","5","4","3","4","1") = "4"
    & skf21("5","4","2","5","4","3","5","1") = "4"
    & skf21("5","4","2","5","4","3","6","1") = "5"
    & skf21("5","4","2","5","4","3","7","1") = "6"
    & skf21("5","4","2","5","4","4","1","1") = "4"
    & skf21("5","4","2","5","4","4","2","1") = "4"
    & skf21("5","4","2","5","4","4","3","1") = "4"
    & skf21("5","4","2","5","4","4","4","1") = "4"
    & skf21("5","4","2","5","4","4","5","1") = "4"
    & skf21("5","4","2","5","4","4","6","1") = "5"
    & skf21("5","4","2","5","4","4","7","1") = "6"
    & skf21("5","4","2","5","4","5","1","1") = "4"
    & skf21("5","4","2","5","4","5","2","1") = "4"
    & skf21("5","4","2","5","4","5","3","1") = "4"
    & skf21("5","4","2","5","4","5","4","1") = "4"
    & skf21("5","4","2","5","4","5","5","1") = "4"
    & skf21("5","4","2","5","4","5","6","1") = "5"
    & skf21("5","4","2","5","4","5","7","1") = "6"
    & skf21("5","4","2","5","4","6","1","1") = "5"
    & skf21("5","4","2","5","4","6","2","1") = "5"
    & skf21("5","4","2","5","4","6","3","1") = "5"
    & skf21("5","4","2","5","4","6","4","1") = "5"
    & skf21("5","4","2","5","4","6","5","1") = "5"
    & skf21("5","4","2","5","4","6","6","1") = "5"
    & skf21("5","4","2","5","4","6","7","1") = "6"
    & skf21("5","4","2","5","4","7","1","1") = "6"
    & skf21("5","4","2","5","4","7","2","1") = "6"
    & skf21("5","4","2","5","4","7","3","1") = "6"
    & skf21("5","4","2","5","4","7","4","1") = "6"
    & skf21("5","4","2","5","4","7","5","1") = "6"
    & skf21("5","4","2","5","4","7","6","1") = "6"
    & skf21("5","4","2","5","4","7","7","1") = "6"
    & skf21("5","4","2","5","5","1","1","1") = "4"
    & skf21("5","4","2","5","5","1","2","1") = "4"
    & skf21("5","4","2","5","5","1","3","1") = "4"
    & skf21("5","4","2","5","5","1","4","1") = "4"
    & skf21("5","4","2","5","5","1","5","1") = "4"
    & skf21("5","4","2","5","5","1","6","1") = "5"
    & skf21("5","4","2","5","5","1","7","1") = "6"
    & skf21("5","4","2","5","5","2","1","1") = "4"
    & skf21("5","4","2","5","5","2","2","1") = "4"
    & skf21("5","4","2","5","5","2","3","1") = "4"
    & skf21("5","4","2","5","5","2","4","1") = "4"
    & skf21("5","4","2","5","5","2","5","1") = "4"
    & skf21("5","4","2","5","5","2","6","1") = "5"
    & skf21("5","4","2","5","5","2","7","1") = "6"
    & skf21("5","4","2","5","5","3","1","1") = "4"
    & skf21("5","4","2","5","5","3","2","1") = "4"
    & skf21("5","4","2","5","5","3","3","1") = "4"
    & skf21("5","4","2","5","5","3","4","1") = "4"
    & skf21("5","4","2","5","5","3","5","1") = "4"
    & skf21("5","4","2","5","5","3","6","1") = "5"
    & skf21("5","4","2","5","5","3","7","1") = "6"
    & skf21("5","4","2","5","5","4","1","1") = "4"
    & skf21("5","4","2","5","5","4","2","1") = "4"
    & skf21("5","4","2","5","5","4","3","1") = "4"
    & skf21("5","4","2","5","5","4","4","1") = "4"
    & skf21("5","4","2","5","5","4","5","1") = "4"
    & skf21("5","4","2","5","5","4","6","1") = "5"
    & skf21("5","4","2","5","5","4","7","1") = "6"
    & skf21("5","4","2","5","5","5","1","1") = "4"
    & skf21("5","4","2","5","5","5","2","1") = "4"
    & skf21("5","4","2","5","5","5","3","1") = "4"
    & skf21("5","4","2","5","5","5","4","1") = "4"
    & skf21("5","4","2","5","5","5","5","1") = "4"
    & skf21("5","4","2","5","5","5","6","1") = "5"
    & skf21("5","4","2","5","5","5","7","1") = "6"
    & skf21("5","4","2","5","5","6","1","1") = "5"
    & skf21("5","4","2","5","5","6","2","1") = "5"
    & skf21("5","4","2","5","5","6","3","1") = "5"
    & skf21("5","4","2","5","5","6","4","1") = "5"
    & skf21("5","4","2","5","5","6","5","1") = "5"
    & skf21("5","4","2","5","5","6","6","1") = "5"
    & skf21("5","4","2","5","5","6","7","1") = "6"
    & skf21("5","4","2","5","5","7","1","1") = "6"
    & skf21("5","4","2","5","5","7","2","1") = "6"
    & skf21("5","4","2","5","5","7","3","1") = "6"
    & skf21("5","4","2","5","5","7","4","1") = "6"
    & skf21("5","4","2","5","5","7","5","1") = "6"
    & skf21("5","4","2","5","5","7","6","1") = "6"
    & skf21("5","4","2","5","5","7","7","1") = "6"
    & skf21("5","4","2","5","6","1","1","1") = "5"
    & skf21("5","4","2","5","6","1","2","1") = "5"
    & skf21("5","4","2","5","6","1","3","1") = "5"
    & skf21("5","4","2","5","6","1","4","1") = "5"
    & skf21("5","4","2","5","6","1","5","1") = "5"
    & skf21("5","4","2","5","6","1","6","1") = "5"
    & skf21("5","4","2","5","6","1","7","1") = "6"
    & skf21("5","4","2","5","6","2","1","1") = "5"
    & skf21("5","4","2","5","6","2","2","1") = "5"
    & skf21("5","4","2","5","6","2","3","1") = "5"
    & skf21("5","4","2","5","6","2","4","1") = "5"
    & skf21("5","4","2","5","6","2","5","1") = "5"
    & skf21("5","4","2","5","6","2","6","1") = "5"
    & skf21("5","4","2","5","6","2","7","1") = "6"
    & skf21("5","4","2","5","6","3","1","1") = "5"
    & skf21("5","4","2","5","6","3","2","1") = "5"
    & skf21("5","4","2","5","6","3","3","1") = "5"
    & skf21("5","4","2","5","6","3","4","1") = "5"
    & skf21("5","4","2","5","6","3","5","1") = "5"
    & skf21("5","4","2","5","6","3","6","1") = "5"
    & skf21("5","4","2","5","6","3","7","1") = "6"
    & skf21("5","4","2","5","6","4","1","1") = "5"
    & skf21("5","4","2","5","6","4","2","1") = "5"
    & skf21("5","4","2","5","6","4","3","1") = "5"
    & skf21("5","4","2","5","6","4","4","1") = "5"
    & skf21("5","4","2","5","6","4","5","1") = "5"
    & skf21("5","4","2","5","6","4","6","1") = "5"
    & skf21("5","4","2","5","6","4","7","1") = "6"
    & skf21("5","4","2","5","6","5","1","1") = "5"
    & skf21("5","4","2","5","6","5","2","1") = "5"
    & skf21("5","4","2","5","6","5","3","1") = "5"
    & skf21("5","4","2","5","6","5","4","1") = "5"
    & skf21("5","4","2","5","6","5","5","1") = "5"
    & skf21("5","4","2","5","6","5","6","1") = "5"
    & skf21("5","4","2","5","6","5","7","1") = "6"
    & skf21("5","4","2","5","6","6","1","1") = "5"
    & skf21("5","4","2","5","6","6","2","1") = "5"
    & skf21("5","4","2","5","6","6","3","1") = "5"
    & skf21("5","4","2","5","6","6","4","1") = "5"
    & skf21("5","4","2","5","6","6","5","1") = "5"
    & skf21("5","4","2","5","6","6","6","1") = "5"
    & skf21("5","4","2","5","6","6","7","1") = "6"
    & skf21("5","4","2","5","6","7","1","1") = "6"
    & skf21("5","4","2","5","6","7","2","1") = "6"
    & skf21("5","4","2","5","6","7","3","1") = "6"
    & skf21("5","4","2","5","6","7","4","1") = "6"
    & skf21("5","4","2","5","6","7","5","1") = "6"
    & skf21("5","4","2","5","6","7","6","1") = "6"
    & skf21("5","4","2","5","6","7","7","1") = "6"
    & skf21("5","4","2","5","7","1","1","1") = "6"
    & skf21("5","4","2","5","7","1","2","1") = "6"
    & skf21("5","4","2","5","7","1","3","1") = "6"
    & skf21("5","4","2","5","7","1","4","1") = "6"
    & skf21("5","4","2","5","7","1","5","1") = "6"
    & skf21("5","4","2","5","7","1","6","1") = "6"
    & skf21("5","4","2","5","7","1","7","1") = "6"
    & skf21("5","4","2","5","7","2","1","1") = "6"
    & skf21("5","4","2","5","7","2","2","1") = "6"
    & skf21("5","4","2","5","7","2","3","1") = "6"
    & skf21("5","4","2","5","7","2","4","1") = "6"
    & skf21("5","4","2","5","7","2","5","1") = "6"
    & skf21("5","4","2","5","7","2","6","1") = "6"
    & skf21("5","4","2","5","7","2","7","1") = "6"
    & skf21("5","4","2","5","7","3","1","1") = "6"
    & skf21("5","4","2","5","7","3","2","1") = "6"
    & skf21("5","4","2","5","7","3","3","1") = "6"
    & skf21("5","4","2","5","7","3","4","1") = "6"
    & skf21("5","4","2","5","7","3","5","1") = "6"
    & skf21("5","4","2","5","7","3","6","1") = "6"
    & skf21("5","4","2","5","7","3","7","1") = "6"
    & skf21("5","4","2","5","7","4","1","1") = "6"
    & skf21("5","4","2","5","7","4","2","1") = "6"
    & skf21("5","4","2","5","7","4","3","1") = "6"
    & skf21("5","4","2","5","7","4","4","1") = "6"
    & skf21("5","4","2","5","7","4","5","1") = "6"
    & skf21("5","4","2","5","7","4","6","1") = "6"
    & skf21("5","4","2","5","7","4","7","1") = "6"
    & skf21("5","4","2","5","7","5","1","1") = "6"
    & skf21("5","4","2","5","7","5","2","1") = "6"
    & skf21("5","4","2","5","7","5","3","1") = "6"
    & skf21("5","4","2","5","7","5","4","1") = "6"
    & skf21("5","4","2","5","7","5","5","1") = "6"
    & skf21("5","4","2","5","7","5","6","1") = "6"
    & skf21("5","4","2","5","7","5","7","1") = "6"
    & skf21("5","4","2","5","7","6","1","1") = "6"
    & skf21("5","4","2","5","7","6","2","1") = "6"
    & skf21("5","4","2","5","7","6","3","1") = "6"
    & skf21("5","4","2","5","7","6","4","1") = "6"
    & skf21("5","4","2","5","7","6","5","1") = "6"
    & skf21("5","4","2","5","7","6","6","1") = "6"
    & skf21("5","4","2","5","7","6","7","1") = "6"
    & skf21("5","4","2","5","7","7","1","1") = "6"
    & skf21("5","4","2","5","7","7","2","1") = "6"
    & skf21("5","4","2","5","7","7","3","1") = "6"
    & skf21("5","4","2","5","7","7","4","1") = "6"
    & skf21("5","4","2","5","7","7","5","1") = "6"
    & skf21("5","4","2","5","7","7","6","1") = "6"
    & skf21("5","4","2","5","7","7","7","1") = "6"
    & skf21("5","4","2","6","1","1","1","1") = "5"
    & skf21("5","4","2","6","1","1","2","1") = "5"
    & skf21("5","4","2","6","1","1","3","1") = "5"
    & skf21("5","4","2","6","1","1","4","1") = "5"
    & skf21("5","4","2","6","1","1","5","1") = "5"
    & skf21("5","4","2","6","1","1","6","1") = "5"
    & skf21("5","4","2","6","1","1","7","1") = "6"
    & skf21("5","4","2","6","1","2","1","1") = "5"
    & skf21("5","4","2","6","1","2","2","1") = "5"
    & skf21("5","4","2","6","1","2","3","1") = "5"
    & skf21("5","4","2","6","1","2","4","1") = "5"
    & skf21("5","4","2","6","1","2","5","1") = "5"
    & skf21("5","4","2","6","1","2","6","1") = "5"
    & skf21("5","4","2","6","1","2","7","1") = "6"
    & skf21("5","4","2","6","1","3","1","1") = "5"
    & skf21("5","4","2","6","1","3","2","1") = "5"
    & skf21("5","4","2","6","1","3","3","1") = "5"
    & skf21("5","4","2","6","1","3","4","1") = "5"
    & skf21("5","4","2","6","1","3","5","1") = "5"
    & skf21("5","4","2","6","1","3","6","1") = "5"
    & skf21("5","4","2","6","1","3","7","1") = "6"
    & skf21("5","4","2","6","1","4","1","1") = "5"
    & skf21("5","4","2","6","1","4","2","1") = "5"
    & skf21("5","4","2","6","1","4","3","1") = "5"
    & skf21("5","4","2","6","1","4","4","1") = "5"
    & skf21("5","4","2","6","1","4","5","1") = "5"
    & skf21("5","4","2","6","1","4","6","1") = "5"
    & skf21("5","4","2","6","1","4","7","1") = "6"
    & skf21("5","4","2","6","1","5","1","1") = "5"
    & skf21("5","4","2","6","1","5","2","1") = "5"
    & skf21("5","4","2","6","1","5","3","1") = "5"
    & skf21("5","4","2","6","1","5","4","1") = "5"
    & skf21("5","4","2","6","1","5","5","1") = "5"
    & skf21("5","4","2","6","1","5","6","1") = "5"
    & skf21("5","4","2","6","1","5","7","1") = "6"
    & skf21("5","4","2","6","1","6","1","1") = "5"
    & skf21("5","4","2","6","1","6","2","1") = "5"
    & skf21("5","4","2","6","1","6","3","1") = "5"
    & skf21("5","4","2","6","1","6","4","1") = "5"
    & skf21("5","4","2","6","1","6","5","1") = "5"
    & skf21("5","4","2","6","1","6","6","1") = "5"
    & skf21("5","4","2","6","1","6","7","1") = "6"
    & skf21("5","4","2","6","1","7","1","1") = "6"
    & skf21("5","4","2","6","1","7","2","1") = "6"
    & skf21("5","4","2","6","1","7","3","1") = "6"
    & skf21("5","4","2","6","1","7","4","1") = "6"
    & skf21("5","4","2","6","1","7","5","1") = "6"
    & skf21("5","4","2","6","1","7","6","1") = "6"
    & skf21("5","4","2","6","1","7","7","1") = "6"
    & skf21("5","4","2","6","2","1","1","1") = "5"
    & skf21("5","4","2","6","2","1","2","1") = "5"
    & skf21("5","4","2","6","2","1","3","1") = "5"
    & skf21("5","4","2","6","2","1","4","1") = "5"
    & skf21("5","4","2","6","2","1","5","1") = "5"
    & skf21("5","4","2","6","2","1","6","1") = "5"
    & skf21("5","4","2","6","2","1","7","1") = "6"
    & skf21("5","4","2","6","2","2","1","1") = "5"
    & skf21("5","4","2","6","2","2","2","1") = "5"
    & skf21("5","4","2","6","2","2","3","1") = "5"
    & skf21("5","4","2","6","2","2","4","1") = "5"
    & skf21("5","4","2","6","2","2","5","1") = "5"
    & skf21("5","4","2","6","2","2","6","1") = "5"
    & skf21("5","4","2","6","2","2","7","1") = "6"
    & skf21("5","4","2","6","2","3","1","1") = "5"
    & skf21("5","4","2","6","2","3","2","1") = "5"
    & skf21("5","4","2","6","2","3","3","1") = "5"
    & skf21("5","4","2","6","2","3","4","1") = "5"
    & skf21("5","4","2","6","2","3","5","1") = "5"
    & skf21("5","4","2","6","2","3","6","1") = "5"
    & skf21("5","4","2","6","2","3","7","1") = "6"
    & skf21("5","4","2","6","2","4","1","1") = "5"
    & skf21("5","4","2","6","2","4","2","1") = "5"
    & skf21("5","4","2","6","2","4","3","1") = "5"
    & skf21("5","4","2","6","2","4","4","1") = "5"
    & skf21("5","4","2","6","2","4","5","1") = "5"
    & skf21("5","4","2","6","2","4","6","1") = "5"
    & skf21("5","4","2","6","2","4","7","1") = "6"
    & skf21("5","4","2","6","2","5","1","1") = "5"
    & skf21("5","4","2","6","2","5","2","1") = "5"
    & skf21("5","4","2","6","2","5","3","1") = "5"
    & skf21("5","4","2","6","2","5","4","1") = "5"
    & skf21("5","4","2","6","2","5","5","1") = "5"
    & skf21("5","4","2","6","2","5","6","1") = "5"
    & skf21("5","4","2","6","2","5","7","1") = "6"
    & skf21("5","4","2","6","2","6","1","1") = "5"
    & skf21("5","4","2","6","2","6","2","1") = "5"
    & skf21("5","4","2","6","2","6","3","1") = "5"
    & skf21("5","4","2","6","2","6","4","1") = "5"
    & skf21("5","4","2","6","2","6","5","1") = "5"
    & skf21("5","4","2","6","2","6","6","1") = "5"
    & skf21("5","4","2","6","2","6","7","1") = "6"
    & skf21("5","4","2","6","2","7","1","1") = "6"
    & skf21("5","4","2","6","2","7","2","1") = "6"
    & skf21("5","4","2","6","2","7","3","1") = "6"
    & skf21("5","4","2","6","2","7","4","1") = "6"
    & skf21("5","4","2","6","2","7","5","1") = "6"
    & skf21("5","4","2","6","2","7","6","1") = "6"
    & skf21("5","4","2","6","2","7","7","1") = "6"
    & skf21("5","4","2","6","3","1","1","1") = "5"
    & skf21("5","4","2","6","3","1","2","1") = "5"
    & skf21("5","4","2","6","3","1","3","1") = "5"
    & skf21("5","4","2","6","3","1","4","1") = "5"
    & skf21("5","4","2","6","3","1","5","1") = "5"
    & skf21("5","4","2","6","3","1","6","1") = "5"
    & skf21("5","4","2","6","3","1","7","1") = "6"
    & skf21("5","4","2","6","3","2","1","1") = "5"
    & skf21("5","4","2","6","3","2","2","1") = "5"
    & skf21("5","4","2","6","3","2","3","1") = "5"
    & skf21("5","4","2","6","3","2","4","1") = "5"
    & skf21("5","4","2","6","3","2","5","1") = "5"
    & skf21("5","4","2","6","3","2","6","1") = "5"
    & skf21("5","4","2","6","3","2","7","1") = "6"
    & skf21("5","4","2","6","3","3","1","1") = "5"
    & skf21("5","4","2","6","3","3","2","1") = "5"
    & skf21("5","4","2","6","3","3","3","1") = "5"
    & skf21("5","4","2","6","3","3","4","1") = "5"
    & skf21("5","4","2","6","3","3","5","1") = "5"
    & skf21("5","4","2","6","3","3","6","1") = "5"
    & skf21("5","4","2","6","3","3","7","1") = "6"
    & skf21("5","4","2","6","3","4","1","1") = "5"
    & skf21("5","4","2","6","3","4","2","1") = "5"
    & skf21("5","4","2","6","3","4","3","1") = "5"
    & skf21("5","4","2","6","3","4","4","1") = "5"
    & skf21("5","4","2","6","3","4","5","1") = "5"
    & skf21("5","4","2","6","3","4","6","1") = "5"
    & skf21("5","4","2","6","3","4","7","1") = "6"
    & skf21("5","4","2","6","3","5","1","1") = "5"
    & skf21("5","4","2","6","3","5","2","1") = "5"
    & skf21("5","4","2","6","3","5","3","1") = "5"
    & skf21("5","4","2","6","3","5","4","1") = "5"
    & skf21("5","4","2","6","3","5","5","1") = "5"
    & skf21("5","4","2","6","3","5","6","1") = "5"
    & skf21("5","4","2","6","3","5","7","1") = "6"
    & skf21("5","4","2","6","3","6","1","1") = "5"
    & skf21("5","4","2","6","3","6","2","1") = "5"
    & skf21("5","4","2","6","3","6","3","1") = "5"
    & skf21("5","4","2","6","3","6","4","1") = "5"
    & skf21("5","4","2","6","3","6","5","1") = "5"
    & skf21("5","4","2","6","3","6","6","1") = "5"
    & skf21("5","4","2","6","3","6","7","1") = "6"
    & skf21("5","4","2","6","3","7","1","1") = "6"
    & skf21("5","4","2","6","3","7","2","1") = "6"
    & skf21("5","4","2","6","3","7","3","1") = "6"
    & skf21("5","4","2","6","3","7","4","1") = "6"
    & skf21("5","4","2","6","3","7","5","1") = "6"
    & skf21("5","4","2","6","3","7","6","1") = "6"
    & skf21("5","4","2","6","3","7","7","1") = "6"
    & skf21("5","4","2","6","4","1","1","1") = "5"
    & skf21("5","4","2","6","4","1","2","1") = "5"
    & skf21("5","4","2","6","4","1","3","1") = "5"
    & skf21("5","4","2","6","4","1","4","1") = "5"
    & skf21("5","4","2","6","4","1","5","1") = "5"
    & skf21("5","4","2","6","4","1","6","1") = "5"
    & skf21("5","4","2","6","4","1","7","1") = "6"
    & skf21("5","4","2","6","4","2","1","1") = "5"
    & skf21("5","4","2","6","4","2","2","1") = "5"
    & skf21("5","4","2","6","4","2","3","1") = "5"
    & skf21("5","4","2","6","4","2","4","1") = "5"
    & skf21("5","4","2","6","4","2","5","1") = "5"
    & skf21("5","4","2","6","4","2","6","1") = "5"
    & skf21("5","4","2","6","4","2","7","1") = "6"
    & skf21("5","4","2","6","4","3","1","1") = "5"
    & skf21("5","4","2","6","4","3","2","1") = "5"
    & skf21("5","4","2","6","4","3","3","1") = "5"
    & skf21("5","4","2","6","4","3","4","1") = "5"
    & skf21("5","4","2","6","4","3","5","1") = "5"
    & skf21("5","4","2","6","4","3","6","1") = "5"
    & skf21("5","4","2","6","4","3","7","1") = "6"
    & skf21("5","4","2","6","4","4","1","1") = "5"
    & skf21("5","4","2","6","4","4","2","1") = "5"
    & skf21("5","4","2","6","4","4","3","1") = "5"
    & skf21("5","4","2","6","4","4","4","1") = "5"
    & skf21("5","4","2","6","4","4","5","1") = "5"
    & skf21("5","4","2","6","4","4","6","1") = "5"
    & skf21("5","4","2","6","4","4","7","1") = "6"
    & skf21("5","4","2","6","4","5","1","1") = "5"
    & skf21("5","4","2","6","4","5","2","1") = "5"
    & skf21("5","4","2","6","4","5","3","1") = "5"
    & skf21("5","4","2","6","4","5","4","1") = "5"
    & skf21("5","4","2","6","4","5","5","1") = "5"
    & skf21("5","4","2","6","4","5","6","1") = "5"
    & skf21("5","4","2","6","4","5","7","1") = "6"
    & skf21("5","4","2","6","4","6","1","1") = "5"
    & skf21("5","4","2","6","4","6","2","1") = "5"
    & skf21("5","4","2","6","4","6","3","1") = "5"
    & skf21("5","4","2","6","4","6","4","1") = "5"
    & skf21("5","4","2","6","4","6","5","1") = "5"
    & skf21("5","4","2","6","4","6","6","1") = "5"
    & skf21("5","4","2","6","4","6","7","1") = "6"
    & skf21("5","4","2","6","4","7","1","1") = "6"
    & skf21("5","4","2","6","4","7","2","1") = "6"
    & skf21("5","4","2","6","4","7","3","1") = "6"
    & skf21("5","4","2","6","4","7","4","1") = "6"
    & skf21("5","4","2","6","4","7","5","1") = "6"
    & skf21("5","4","2","6","4","7","6","1") = "6"
    & skf21("5","4","2","6","4","7","7","1") = "6"
    & skf21("5","4","2","6","5","1","1","1") = "5"
    & skf21("5","4","2","6","5","1","2","1") = "5"
    & skf21("5","4","2","6","5","1","3","1") = "5"
    & skf21("5","4","2","6","5","1","4","1") = "5"
    & skf21("5","4","2","6","5","1","5","1") = "5"
    & skf21("5","4","2","6","5","1","6","1") = "5"
    & skf21("5","4","2","6","5","1","7","1") = "6"
    & skf21("5","4","2","6","5","2","1","1") = "5"
    & skf21("5","4","2","6","5","2","2","1") = "5"
    & skf21("5","4","2","6","5","2","3","1") = "5"
    & skf21("5","4","2","6","5","2","4","1") = "5"
    & skf21("5","4","2","6","5","2","5","1") = "5"
    & skf21("5","4","2","6","5","2","6","1") = "5"
    & skf21("5","4","2","6","5","2","7","1") = "6"
    & skf21("5","4","2","6","5","3","1","1") = "5"
    & skf21("5","4","2","6","5","3","2","1") = "5"
    & skf21("5","4","2","6","5","3","3","1") = "5"
    & skf21("5","4","2","6","5","3","4","1") = "5"
    & skf21("5","4","2","6","5","3","5","1") = "5"
    & skf21("5","4","2","6","5","3","6","1") = "5"
    & skf21("5","4","2","6","5","3","7","1") = "6"
    & skf21("5","4","2","6","5","4","1","1") = "5"
    & skf21("5","4","2","6","5","4","2","1") = "5"
    & skf21("5","4","2","6","5","4","3","1") = "5"
    & skf21("5","4","2","6","5","4","4","1") = "5"
    & skf21("5","4","2","6","5","4","5","1") = "5"
    & skf21("5","4","2","6","5","4","6","1") = "5"
    & skf21("5","4","2","6","5","4","7","1") = "6"
    & skf21("5","4","2","6","5","5","1","1") = "5"
    & skf21("5","4","2","6","5","5","2","1") = "5"
    & skf21("5","4","2","6","5","5","3","1") = "5"
    & skf21("5","4","2","6","5","5","4","1") = "5"
    & skf21("5","4","2","6","5","5","5","1") = "5"
    & skf21("5","4","2","6","5","5","6","1") = "5"
    & skf21("5","4","2","6","5","5","7","1") = "6"
    & skf21("5","4","2","6","5","6","1","1") = "5"
    & skf21("5","4","2","6","5","6","2","1") = "5"
    & skf21("5","4","2","6","5","6","3","1") = "5"
    & skf21("5","4","2","6","5","6","4","1") = "5"
    & skf21("5","4","2","6","5","6","5","1") = "5"
    & skf21("5","4","2","6","5","6","6","1") = "5"
    & skf21("5","4","2","6","5","6","7","1") = "6"
    & skf21("5","4","2","6","5","7","1","1") = "6"
    & skf21("5","4","2","6","5","7","2","1") = "6"
    & skf21("5","4","2","6","5","7","3","1") = "6"
    & skf21("5","4","2","6","5","7","4","1") = "6"
    & skf21("5","4","2","6","5","7","5","1") = "6"
    & skf21("5","4","2","6","5","7","6","1") = "6"
    & skf21("5","4","2","6","5","7","7","1") = "6"
    & skf21("5","4","2","6","6","1","1","1") = "5"
    & skf21("5","4","2","6","6","1","2","1") = "5"
    & skf21("5","4","2","6","6","1","3","1") = "5"
    & skf21("5","4","2","6","6","1","4","1") = "5"
    & skf21("5","4","2","6","6","1","5","1") = "5"
    & skf21("5","4","2","6","6","1","6","1") = "5"
    & skf21("5","4","2","6","6","1","7","1") = "6"
    & skf21("5","4","2","6","6","2","1","1") = "5"
    & skf21("5","4","2","6","6","2","2","1") = "5"
    & skf21("5","4","2","6","6","2","3","1") = "5"
    & skf21("5","4","2","6","6","2","4","1") = "5"
    & skf21("5","4","2","6","6","2","5","1") = "5"
    & skf21("5","4","2","6","6","2","6","1") = "5"
    & skf21("5","4","2","6","6","2","7","1") = "6"
    & skf21("5","4","2","6","6","3","1","1") = "5"
    & skf21("5","4","2","6","6","3","2","1") = "5"
    & skf21("5","4","2","6","6","3","3","1") = "5"
    & skf21("5","4","2","6","6","3","4","1") = "5"
    & skf21("5","4","2","6","6","3","5","1") = "5"
    & skf21("5","4","2","6","6","3","6","1") = "5"
    & skf21("5","4","2","6","6","3","7","1") = "6"
    & skf21("5","4","2","6","6","4","1","1") = "5"
    & skf21("5","4","2","6","6","4","2","1") = "5"
    & skf21("5","4","2","6","6","4","3","1") = "5"
    & skf21("5","4","2","6","6","4","4","1") = "5"
    & skf21("5","4","2","6","6","4","5","1") = "5"
    & skf21("5","4","2","6","6","4","6","1") = "5"
    & skf21("5","4","2","6","6","4","7","1") = "6"
    & skf21("5","4","2","6","6","5","1","1") = "5"
    & skf21("5","4","2","6","6","5","2","1") = "5"
    & skf21("5","4","2","6","6","5","3","1") = "5"
    & skf21("5","4","2","6","6","5","4","1") = "5"
    & skf21("5","4","2","6","6","5","5","1") = "5"
    & skf21("5","4","2","6","6","5","6","1") = "5"
    & skf21("5","4","2","6","6","5","7","1") = "6"
    & skf21("5","4","2","6","6","6","1","1") = "5"
    & skf21("5","4","2","6","6","6","2","1") = "5"
    & skf21("5","4","2","6","6","6","3","1") = "5"
    & skf21("5","4","2","6","6","6","4","1") = "5"
    & skf21("5","4","2","6","6","6","5","1") = "5"
    & skf21("5","4","2","6","6","6","6","1") = "5"
    & skf21("5","4","2","6","6","6","7","1") = "6"
    & skf21("5","4","2","6","6","7","1","1") = "6"
    & skf21("5","4","2","6","6","7","2","1") = "6"
    & skf21("5","4","2","6","6","7","3","1") = "6"
    & skf21("5","4","2","6","6","7","4","1") = "6"
    & skf21("5","4","2","6","6","7","5","1") = "6"
    & skf21("5","4","2","6","6","7","6","1") = "6"
    & skf21("5","4","2","6","6","7","7","1") = "6"
    & skf21("5","4","2","6","7","1","1","1") = "6"
    & skf21("5","4","2","6","7","1","2","1") = "6"
    & skf21("5","4","2","6","7","1","3","1") = "6"
    & skf21("5","4","2","6","7","1","4","1") = "6"
    & skf21("5","4","2","6","7","1","5","1") = "6"
    & skf21("5","4","2","6","7","1","6","1") = "6"
    & skf21("5","4","2","6","7","1","7","1") = "6"
    & skf21("5","4","2","6","7","2","1","1") = "6"
    & skf21("5","4","2","6","7","2","2","1") = "6"
    & skf21("5","4","2","6","7","2","3","1") = "6"
    & skf21("5","4","2","6","7","2","4","1") = "6"
    & skf21("5","4","2","6","7","2","5","1") = "6"
    & skf21("5","4","2","6","7","2","6","1") = "6"
    & skf21("5","4","2","6","7","2","7","1") = "6"
    & skf21("5","4","2","6","7","3","1","1") = "6"
    & skf21("5","4","2","6","7","3","2","1") = "6"
    & skf21("5","4","2","6","7","3","3","1") = "6"
    & skf21("5","4","2","6","7","3","4","1") = "6"
    & skf21("5","4","2","6","7","3","5","1") = "6"
    & skf21("5","4","2","6","7","3","6","1") = "6"
    & skf21("5","4","2","6","7","3","7","1") = "6"
    & skf21("5","4","2","6","7","4","1","1") = "6"
    & skf21("5","4","2","6","7","4","2","1") = "6"
    & skf21("5","4","2","6","7","4","3","1") = "6"
    & skf21("5","4","2","6","7","4","4","1") = "6"
    & skf21("5","4","2","6","7","4","5","1") = "6"
    & skf21("5","4","2","6","7","4","6","1") = "6"
    & skf21("5","4","2","6","7","4","7","1") = "6"
    & skf21("5","4","2","6","7","5","1","1") = "6"
    & skf21("5","4","2","6","7","5","2","1") = "6"
    & skf21("5","4","2","6","7","5","3","1") = "6"
    & skf21("5","4","2","6","7","5","4","1") = "6"
    & skf21("5","4","2","6","7","5","5","1") = "6"
    & skf21("5","4","2","6","7","5","6","1") = "6"
    & skf21("5","4","2","6","7","5","7","1") = "6"
    & skf21("5","4","2","6","7","6","1","1") = "6"
    & skf21("5","4","2","6","7","6","2","1") = "6"
    & skf21("5","4","2","6","7","6","3","1") = "6"
    & skf21("5","4","2","6","7","6","4","1") = "6"
    & skf21("5","4","2","6","7","6","5","1") = "6"
    & skf21("5","4","2","6","7","6","6","1") = "6"
    & skf21("5","4","2","6","7","6","7","1") = "6"
    & skf21("5","4","2","6","7","7","1","1") = "6"
    & skf21("5","4","2","6","7","7","2","1") = "6"
    & skf21("5","4","2","6","7","7","3","1") = "6"
    & skf21("5","4","2","6","7","7","4","1") = "6"
    & skf21("5","4","2","6","7","7","5","1") = "6"
    & skf21("5","4","2","6","7","7","6","1") = "6"
    & skf21("5","4","2","6","7","7","7","1") = "6"
    & skf21("5","4","2","7","1","1","1","1") = "6"
    & skf21("5","4","2","7","1","1","2","1") = "6"
    & skf21("5","4","2","7","1","1","3","1") = "6"
    & skf21("5","4","2","7","1","1","4","1") = "6"
    & skf21("5","4","2","7","1","1","5","1") = "6"
    & skf21("5","4","2","7","1","1","6","1") = "6"
    & skf21("5","4","2","7","1","1","7","1") = "6"
    & skf21("5","4","2","7","1","2","1","1") = "6"
    & skf21("5","4","2","7","1","2","2","1") = "6"
    & skf21("5","4","2","7","1","2","3","1") = "6"
    & skf21("5","4","2","7","1","2","4","1") = "6"
    & skf21("5","4","2","7","1","2","5","1") = "6"
    & skf21("5","4","2","7","1","2","6","1") = "6"
    & skf21("5","4","2","7","1","2","7","1") = "6"
    & skf21("5","4","2","7","1","3","1","1") = "6"
    & skf21("5","4","2","7","1","3","2","1") = "6"
    & skf21("5","4","2","7","1","3","3","1") = "6"
    & skf21("5","4","2","7","1","3","4","1") = "6"
    & skf21("5","4","2","7","1","3","5","1") = "6"
    & skf21("5","4","2","7","1","3","6","1") = "6"
    & skf21("5","4","2","7","1","3","7","1") = "6"
    & skf21("5","4","2","7","1","4","1","1") = "6"
    & skf21("5","4","2","7","1","4","2","1") = "6"
    & skf21("5","4","2","7","1","4","3","1") = "6"
    & skf21("5","4","2","7","1","4","4","1") = "6"
    & skf21("5","4","2","7","1","4","5","1") = "6"
    & skf21("5","4","2","7","1","4","6","1") = "6"
    & skf21("5","4","2","7","1","4","7","1") = "6"
    & skf21("5","4","2","7","1","5","1","1") = "6"
    & skf21("5","4","2","7","1","5","2","1") = "6"
    & skf21("5","4","2","7","1","5","3","1") = "6"
    & skf21("5","4","2","7","1","5","4","1") = "6"
    & skf21("5","4","2","7","1","5","5","1") = "6"
    & skf21("5","4","2","7","1","5","6","1") = "6"
    & skf21("5","4","2","7","1","5","7","1") = "6"
    & skf21("5","4","2","7","1","6","1","1") = "6"
    & skf21("5","4","2","7","1","6","2","1") = "6"
    & skf21("5","4","2","7","1","6","3","1") = "6"
    & skf21("5","4","2","7","1","6","4","1") = "6"
    & skf21("5","4","2","7","1","6","5","1") = "6"
    & skf21("5","4","2","7","1","6","6","1") = "6"
    & skf21("5","4","2","7","1","6","7","1") = "6"
    & skf21("5","4","2","7","1","7","1","1") = "6"
    & skf21("5","4","2","7","1","7","2","1") = "6"
    & skf21("5","4","2","7","1","7","3","1") = "6"
    & skf21("5","4","2","7","1","7","4","1") = "6"
    & skf21("5","4","2","7","1","7","5","1") = "6"
    & skf21("5","4","2","7","1","7","6","1") = "6"
    & skf21("5","4","2","7","1","7","7","1") = "6"
    & skf21("5","4","2","7","2","1","1","1") = "6"
    & skf21("5","4","2","7","2","1","2","1") = "6"
    & skf21("5","4","2","7","2","1","3","1") = "6"
    & skf21("5","4","2","7","2","1","4","1") = "6"
    & skf21("5","4","2","7","2","1","5","1") = "6"
    & skf21("5","4","2","7","2","1","6","1") = "6"
    & skf21("5","4","2","7","2","1","7","1") = "6"
    & skf21("5","4","2","7","2","2","1","1") = "6"
    & skf21("5","4","2","7","2","2","2","1") = "6"
    & skf21("5","4","2","7","2","2","3","1") = "6"
    & skf21("5","4","2","7","2","2","4","1") = "6"
    & skf21("5","4","2","7","2","2","5","1") = "6"
    & skf21("5","4","2","7","2","2","6","1") = "6"
    & skf21("5","4","2","7","2","2","7","1") = "6"
    & skf21("5","4","2","7","2","3","1","1") = "6"
    & skf21("5","4","2","7","2","3","2","1") = "6"
    & skf21("5","4","2","7","2","3","3","1") = "6"
    & skf21("5","4","2","7","2","3","4","1") = "6"
    & skf21("5","4","2","7","2","3","5","1") = "6"
    & skf21("5","4","2","7","2","3","6","1") = "6"
    & skf21("5","4","2","7","2","3","7","1") = "6"
    & skf21("5","4","2","7","2","4","1","1") = "6"
    & skf21("5","4","2","7","2","4","2","1") = "6"
    & skf21("5","4","2","7","2","4","3","1") = "6"
    & skf21("5","4","2","7","2","4","4","1") = "6"
    & skf21("5","4","2","7","2","4","5","1") = "6"
    & skf21("5","4","2","7","2","4","6","1") = "6"
    & skf21("5","4","2","7","2","4","7","1") = "6"
    & skf21("5","4","2","7","2","5","1","1") = "6"
    & skf21("5","4","2","7","2","5","2","1") = "6"
    & skf21("5","4","2","7","2","5","3","1") = "6"
    & skf21("5","4","2","7","2","5","4","1") = "6"
    & skf21("5","4","2","7","2","5","5","1") = "6"
    & skf21("5","4","2","7","2","5","6","1") = "6"
    & skf21("5","4","2","7","2","5","7","1") = "6"
    & skf21("5","4","2","7","2","6","1","1") = "6"
    & skf21("5","4","2","7","2","6","2","1") = "6"
    & skf21("5","4","2","7","2","6","3","1") = "6"
    & skf21("5","4","2","7","2","6","4","1") = "6"
    & skf21("5","4","2","7","2","6","5","1") = "6"
    & skf21("5","4","2","7","2","6","6","1") = "6"
    & skf21("5","4","2","7","2","6","7","1") = "6"
    & skf21("5","4","2","7","2","7","1","1") = "6"
    & skf21("5","4","2","7","2","7","2","1") = "6"
    & skf21("5","4","2","7","2","7","3","1") = "6"
    & skf21("5","4","2","7","2","7","4","1") = "6"
    & skf21("5","4","2","7","2","7","5","1") = "6"
    & skf21("5","4","2","7","2","7","6","1") = "6"
    & skf21("5","4","2","7","2","7","7","1") = "6"
    & skf21("5","4","2","7","3","1","1","1") = "6"
    & skf21("5","4","2","7","3","1","2","1") = "6"
    & skf21("5","4","2","7","3","1","3","1") = "6"
    & skf21("5","4","2","7","3","1","4","1") = "6"
    & skf21("5","4","2","7","3","1","5","1") = "6"
    & skf21("5","4","2","7","3","1","6","1") = "6"
    & skf21("5","4","2","7","3","1","7","1") = "6"
    & skf21("5","4","2","7","3","2","1","1") = "6"
    & skf21("5","4","2","7","3","2","2","1") = "6"
    & skf21("5","4","2","7","3","2","3","1") = "6"
    & skf21("5","4","2","7","3","2","4","1") = "6"
    & skf21("5","4","2","7","3","2","5","1") = "6"
    & skf21("5","4","2","7","3","2","6","1") = "6"
    & skf21("5","4","2","7","3","2","7","1") = "6"
    & skf21("5","4","2","7","3","3","1","1") = "6"
    & skf21("5","4","2","7","3","3","2","1") = "6"
    & skf21("5","4","2","7","3","3","3","1") = "6"
    & skf21("5","4","2","7","3","3","4","1") = "6"
    & skf21("5","4","2","7","3","3","5","1") = "6"
    & skf21("5","4","2","7","3","3","6","1") = "6"
    & skf21("5","4","2","7","3","3","7","1") = "6"
    & skf21("5","4","2","7","3","4","1","1") = "6"
    & skf21("5","4","2","7","3","4","2","1") = "6"
    & skf21("5","4","2","7","3","4","3","1") = "6"
    & skf21("5","4","2","7","3","4","4","1") = "6"
    & skf21("5","4","2","7","3","4","5","1") = "6"
    & skf21("5","4","2","7","3","4","6","1") = "6"
    & skf21("5","4","2","7","3","4","7","1") = "6"
    & skf21("5","4","2","7","3","5","1","1") = "6"
    & skf21("5","4","2","7","3","5","2","1") = "6"
    & skf21("5","4","2","7","3","5","3","1") = "6"
    & skf21("5","4","2","7","3","5","4","1") = "6"
    & skf21("5","4","2","7","3","5","5","1") = "6"
    & skf21("5","4","2","7","3","5","6","1") = "6"
    & skf21("5","4","2","7","3","5","7","1") = "6"
    & skf21("5","4","2","7","3","6","1","1") = "6"
    & skf21("5","4","2","7","3","6","2","1") = "6"
    & skf21("5","4","2","7","3","6","3","1") = "6"
    & skf21("5","4","2","7","3","6","4","1") = "6"
    & skf21("5","4","2","7","3","6","5","1") = "6"
    & skf21("5","4","2","7","3","6","6","1") = "6"
    & skf21("5","4","2","7","3","6","7","1") = "6"
    & skf21("5","4","2","7","3","7","1","1") = "6"
    & skf21("5","4","2","7","3","7","2","1") = "6"
    & skf21("5","4","2","7","3","7","3","1") = "6"
    & skf21("5","4","2","7","3","7","4","1") = "6"
    & skf21("5","4","2","7","3","7","5","1") = "6"
    & skf21("5","4","2","7","3","7","6","1") = "6"
    & skf21("5","4","2","7","3","7","7","1") = "6"
    & skf21("5","4","2","7","4","1","1","1") = "6"
    & skf21("5","4","2","7","4","1","2","1") = "6"
    & skf21("5","4","2","7","4","1","3","1") = "6"
    & skf21("5","4","2","7","4","1","4","1") = "6"
    & skf21("5","4","2","7","4","1","5","1") = "6"
    & skf21("5","4","2","7","4","1","6","1") = "6"
    & skf21("5","4","2","7","4","1","7","1") = "6"
    & skf21("5","4","2","7","4","2","1","1") = "6"
    & skf21("5","4","2","7","4","2","2","1") = "6"
    & skf21("5","4","2","7","4","2","3","1") = "6"
    & skf21("5","4","2","7","4","2","4","1") = "6"
    & skf21("5","4","2","7","4","2","5","1") = "6"
    & skf21("5","4","2","7","4","2","6","1") = "6"
    & skf21("5","4","2","7","4","2","7","1") = "6"
    & skf21("5","4","2","7","4","3","1","1") = "6"
    & skf21("5","4","2","7","4","3","2","1") = "6"
    & skf21("5","4","2","7","4","3","3","1") = "6"
    & skf21("5","4","2","7","4","3","4","1") = "6"
    & skf21("5","4","2","7","4","3","5","1") = "6"
    & skf21("5","4","2","7","4","3","6","1") = "6"
    & skf21("5","4","2","7","4","3","7","1") = "6"
    & skf21("5","4","2","7","4","4","1","1") = "6"
    & skf21("5","4","2","7","4","4","2","1") = "6"
    & skf21("5","4","2","7","4","4","3","1") = "6"
    & skf21("5","4","2","7","4","4","4","1") = "6"
    & skf21("5","4","2","7","4","4","5","1") = "6"
    & skf21("5","4","2","7","4","4","6","1") = "6"
    & skf21("5","4","2","7","4","4","7","1") = "6"
    & skf21("5","4","2","7","4","5","1","1") = "6"
    & skf21("5","4","2","7","4","5","2","1") = "6"
    & skf21("5","4","2","7","4","5","3","1") = "6"
    & skf21("5","4","2","7","4","5","4","1") = "6"
    & skf21("5","4","2","7","4","5","5","1") = "6"
    & skf21("5","4","2","7","4","5","6","1") = "6"
    & skf21("5","4","2","7","4","5","7","1") = "6"
    & skf21("5","4","2","7","4","6","1","1") = "6"
    & skf21("5","4","2","7","4","6","2","1") = "6"
    & skf21("5","4","2","7","4","6","3","1") = "6"
    & skf21("5","4","2","7","4","6","4","1") = "6"
    & skf21("5","4","2","7","4","6","5","1") = "6"
    & skf21("5","4","2","7","4","6","6","1") = "6"
    & skf21("5","4","2","7","4","6","7","1") = "6"
    & skf21("5","4","2","7","4","7","1","1") = "6"
    & skf21("5","4","2","7","4","7","2","1") = "6"
    & skf21("5","4","2","7","4","7","3","1") = "6"
    & skf21("5","4","2","7","4","7","4","1") = "6"
    & skf21("5","4","2","7","4","7","5","1") = "6"
    & skf21("5","4","2","7","4","7","6","1") = "6"
    & skf21("5","4","2","7","4","7","7","1") = "6"
    & skf21("5","4","2","7","5","1","1","1") = "6"
    & skf21("5","4","2","7","5","1","2","1") = "6"
    & skf21("5","4","2","7","5","1","3","1") = "6"
    & skf21("5","4","2","7","5","1","4","1") = "6"
    & skf21("5","4","2","7","5","1","5","1") = "6"
    & skf21("5","4","2","7","5","1","6","1") = "6"
    & skf21("5","4","2","7","5","1","7","1") = "6"
    & skf21("5","4","2","7","5","2","1","1") = "6"
    & skf21("5","4","2","7","5","2","2","1") = "6"
    & skf21("5","4","2","7","5","2","3","1") = "6"
    & skf21("5","4","2","7","5","2","4","1") = "6"
    & skf21("5","4","2","7","5","2","5","1") = "6"
    & skf21("5","4","2","7","5","2","6","1") = "6"
    & skf21("5","4","2","7","5","2","7","1") = "6"
    & skf21("5","4","2","7","5","3","1","1") = "6"
    & skf21("5","4","2","7","5","3","2","1") = "6"
    & skf21("5","4","2","7","5","3","3","1") = "6"
    & skf21("5","4","2","7","5","3","4","1") = "6"
    & skf21("5","4","2","7","5","3","5","1") = "6"
    & skf21("5","4","2","7","5","3","6","1") = "6"
    & skf21("5","4","2","7","5","3","7","1") = "6"
    & skf21("5","4","2","7","5","4","1","1") = "6"
    & skf21("5","4","2","7","5","4","2","1") = "6"
    & skf21("5","4","2","7","5","4","3","1") = "6"
    & skf21("5","4","2","7","5","4","4","1") = "6"
    & skf21("5","4","2","7","5","4","5","1") = "6"
    & skf21("5","4","2","7","5","4","6","1") = "6"
    & skf21("5","4","2","7","5","4","7","1") = "6"
    & skf21("5","4","2","7","5","5","1","1") = "6"
    & skf21("5","4","2","7","5","5","2","1") = "6"
    & skf21("5","4","2","7","5","5","3","1") = "6"
    & skf21("5","4","2","7","5","5","4","1") = "6"
    & skf21("5","4","2","7","5","5","5","1") = "6"
    & skf21("5","4","2","7","5","5","6","1") = "6"
    & skf21("5","4","2","7","5","5","7","1") = "6"
    & skf21("5","4","2","7","5","6","1","1") = "6"
    & skf21("5","4","2","7","5","6","2","1") = "6"
    & skf21("5","4","2","7","5","6","3","1") = "6"
    & skf21("5","4","2","7","5","6","4","1") = "6"
    & skf21("5","4","2","7","5","6","5","1") = "6"
    & skf21("5","4","2","7","5","6","6","1") = "6"
    & skf21("5","4","2","7","5","6","7","1") = "6"
    & skf21("5","4","2","7","5","7","1","1") = "6"
    & skf21("5","4","2","7","5","7","2","1") = "6"
    & skf21("5","4","2","7","5","7","3","1") = "6"
    & skf21("5","4","2","7","5","7","4","1") = "6"
    & skf21("5","4","2","7","5","7","5","1") = "6"
    & skf21("5","4","2","7","5","7","6","1") = "6"
    & skf21("5","4","2","7","5","7","7","1") = "6"
    & skf21("5","4","2","7","6","1","1","1") = "6"
    & skf21("5","4","2","7","6","1","2","1") = "6"
    & skf21("5","4","2","7","6","1","3","1") = "6"
    & skf21("5","4","2","7","6","1","4","1") = "6"
    & skf21("5","4","2","7","6","1","5","1") = "6"
    & skf21("5","4","2","7","6","1","6","1") = "6"
    & skf21("5","4","2","7","6","1","7","1") = "6"
    & skf21("5","4","2","7","6","2","1","1") = "6"
    & skf21("5","4","2","7","6","2","2","1") = "6"
    & skf21("5","4","2","7","6","2","3","1") = "6"
    & skf21("5","4","2","7","6","2","4","1") = "6"
    & skf21("5","4","2","7","6","2","5","1") = "6"
    & skf21("5","4","2","7","6","2","6","1") = "6"
    & skf21("5","4","2","7","6","2","7","1") = "6"
    & skf21("5","4","2","7","6","3","1","1") = "6"
    & skf21("5","4","2","7","6","3","2","1") = "6"
    & skf21("5","4","2","7","6","3","3","1") = "6"
    & skf21("5","4","2","7","6","3","4","1") = "6"
    & skf21("5","4","2","7","6","3","5","1") = "6"
    & skf21("5","4","2","7","6","3","6","1") = "6"
    & skf21("5","4","2","7","6","3","7","1") = "6"
    & skf21("5","4","2","7","6","4","1","1") = "6"
    & skf21("5","4","2","7","6","4","2","1") = "6"
    & skf21("5","4","2","7","6","4","3","1") = "6"
    & skf21("5","4","2","7","6","4","4","1") = "6"
    & skf21("5","4","2","7","6","4","5","1") = "6"
    & skf21("5","4","2","7","6","4","6","1") = "6"
    & skf21("5","4","2","7","6","4","7","1") = "6"
    & skf21("5","4","2","7","6","5","1","1") = "6"
    & skf21("5","4","2","7","6","5","2","1") = "6"
    & skf21("5","4","2","7","6","5","3","1") = "6"
    & skf21("5","4","2","7","6","5","4","1") = "6"
    & skf21("5","4","2","7","6","5","5","1") = "6"
    & skf21("5","4","2","7","6","5","6","1") = "6"
    & skf21("5","4","2","7","6","5","7","1") = "6"
    & skf21("5","4","2","7","6","6","1","1") = "6"
    & skf21("5","4","2","7","6","6","2","1") = "6"
    & skf21("5","4","2","7","6","6","3","1") = "6"
    & skf21("5","4","2","7","6","6","4","1") = "6"
    & skf21("5","4","2","7","6","6","5","1") = "6"
    & skf21("5","4","2","7","6","6","6","1") = "6"
    & skf21("5","4","2","7","6","6","7","1") = "6"
    & skf21("5","4","2","7","6","7","1","1") = "6"
    & skf21("5","4","2","7","6","7","2","1") = "6"
    & skf21("5","4","2","7","6","7","3","1") = "6"
    & skf21("5","4","2","7","6","7","4","1") = "6"
    & skf21("5","4","2","7","6","7","5","1") = "6"
    & skf21("5","4","2","7","6","7","6","1") = "6"
    & skf21("5","4","2","7","6","7","7","1") = "6"
    & skf21("5","4","2","7","7","1","1","1") = "6"
    & skf21("5","4","2","7","7","1","2","1") = "6"
    & skf21("5","4","2","7","7","1","3","1") = "6"
    & skf21("5","4","2","7","7","1","4","1") = "6"
    & skf21("5","4","2","7","7","1","5","1") = "6"
    & skf21("5","4","2","7","7","1","6","1") = "6"
    & skf21("5","4","2","7","7","1","7","1") = "6"
    & skf21("5","4","2","7","7","2","1","1") = "6"
    & skf21("5","4","2","7","7","2","2","1") = "6"
    & skf21("5","4","2","7","7","2","3","1") = "6"
    & skf21("5","4","2","7","7","2","4","1") = "6"
    & skf21("5","4","2","7","7","2","5","1") = "6"
    & skf21("5","4","2","7","7","2","6","1") = "6"
    & skf21("5","4","2","7","7","2","7","1") = "6"
    & skf21("5","4","2","7","7","3","1","1") = "6"
    & skf21("5","4","2","7","7","3","2","1") = "6"
    & skf21("5","4","2","7","7","3","3","1") = "6"
    & skf21("5","4","2","7","7","3","4","1") = "6"
    & skf21("5","4","2","7","7","3","5","1") = "6"
    & skf21("5","4","2","7","7","3","6","1") = "6"
    & skf21("5","4","2","7","7","3","7","1") = "6"
    & skf21("5","4","2","7","7","4","1","1") = "6"
    & skf21("5","4","2","7","7","4","2","1") = "6"
    & skf21("5","4","2","7","7","4","3","1") = "6"
    & skf21("5","4","2","7","7","4","4","1") = "6"
    & skf21("5","4","2","7","7","4","5","1") = "6"
    & skf21("5","4","2","7","7","4","6","1") = "6"
    & skf21("5","4","2","7","7","4","7","1") = "6"
    & skf21("5","4","2","7","7","5","1","1") = "6"
    & skf21("5","4","2","7","7","5","2","1") = "6"
    & skf21("5","4","2","7","7","5","3","1") = "6"
    & skf21("5","4","2","7","7","5","4","1") = "6"
    & skf21("5","4","2","7","7","5","5","1") = "6"
    & skf21("5","4","2","7","7","5","6","1") = "6"
    & skf21("5","4","2","7","7","5","7","1") = "6"
    & skf21("5","4","2","7","7","6","1","1") = "6"
    & skf21("5","4","2","7","7","6","2","1") = "6"
    & skf21("5","4","2","7","7","6","3","1") = "6"
    & skf21("5","4","2","7","7","6","4","1") = "6"
    & skf21("5","4","2","7","7","6","5","1") = "6"
    & skf21("5","4","2","7","7","6","6","1") = "6"
    & skf21("5","4","2","7","7","6","7","1") = "6"
    & skf21("5","4","2","7","7","7","1","1") = "6"
    & skf21("5","4","2","7","7","7","2","1") = "6"
    & skf21("5","4","2","7","7","7","3","1") = "6"
    & skf21("5","4","2","7","7","7","4","1") = "6"
    & skf21("5","4","2","7","7","7","5","1") = "6"
    & skf21("5","4","2","7","7","7","6","1") = "6"
    & skf21("5","4","2","7","7","7","7","1") = "6"
    & skf21("5","4","3","1","1","1","1","1") = "4"
    & skf21("5","4","3","1","1","1","2","1") = "4"
    & skf21("5","4","3","1","1","1","3","1") = "4"
    & skf21("5","4","3","1","1","1","4","1") = "4"
    & skf21("5","4","3","1","1","1","5","1") = "4"
    & skf21("5","4","3","1","1","1","6","1") = "5"
    & skf21("5","4","3","1","1","1","7","1") = "6"
    & skf21("5","4","3","1","1","2","1","1") = "4"
    & skf21("5","4","3","1","1","2","2","1") = "4"
    & skf21("5","4","3","1","1","2","3","1") = "4"
    & skf21("5","4","3","1","1","2","4","1") = "4"
    & skf21("5","4","3","1","1","2","5","1") = "4"
    & skf21("5","4","3","1","1","2","6","1") = "5"
    & skf21("5","4","3","1","1","2","7","1") = "6"
    & skf21("5","4","3","1","1","3","1","1") = "4"
    & skf21("5","4","3","1","1","3","2","1") = "4"
    & skf21("5","4","3","1","1","3","3","1") = "4"
    & skf21("5","4","3","1","1","3","4","1") = "4"
    & skf21("5","4","3","1","1","3","5","1") = "4"
    & skf21("5","4","3","1","1","3","6","1") = "5"
    & skf21("5","4","3","1","1","3","7","1") = "6"
    & skf21("5","4","3","1","1","4","1","1") = "4"
    & skf21("5","4","3","1","1","4","2","1") = "4"
    & skf21("5","4","3","1","1","4","3","1") = "4"
    & skf21("5","4","3","1","1","4","4","1") = "4"
    & skf21("5","4","3","1","1","4","5","1") = "4"
    & skf21("5","4","3","1","1","4","6","1") = "5"
    & skf21("5","4","3","1","1","4","7","1") = "6"
    & skf21("5","4","3","1","1","5","1","1") = "4"
    & skf21("5","4","3","1","1","5","2","1") = "4"
    & skf21("5","4","3","1","1","5","3","1") = "4"
    & skf21("5","4","3","1","1","5","4","1") = "4"
    & skf21("5","4","3","1","1","5","5","1") = "4"
    & skf21("5","4","3","1","1","5","6","1") = "5"
    & skf21("5","4","3","1","1","5","7","1") = "6"
    & skf21("5","4","3","1","1","6","1","1") = "5"
    & skf21("5","4","3","1","1","6","2","1") = "5"
    & skf21("5","4","3","1","1","6","3","1") = "5"
    & skf21("5","4","3","1","1","6","4","1") = "5"
    & skf21("5","4","3","1","1","6","5","1") = "5"
    & skf21("5","4","3","1","1","6","6","1") = "5"
    & skf21("5","4","3","1","1","6","7","1") = "6"
    & skf21("5","4","3","1","1","7","1","1") = "6"
    & skf21("5","4","3","1","1","7","2","1") = "6"
    & skf21("5","4","3","1","1","7","3","1") = "6"
    & skf21("5","4","3","1","1","7","4","1") = "6"
    & skf21("5","4","3","1","1","7","5","1") = "6"
    & skf21("5","4","3","1","1","7","6","1") = "6"
    & skf21("5","4","3","1","1","7","7","1") = "6"
    & skf21("5","4","3","1","2","1","1","1") = "4"
    & skf21("5","4","3","1","2","1","2","1") = "4"
    & skf21("5","4","3","1","2","1","3","1") = "4"
    & skf21("5","4","3","1","2","1","4","1") = "4"
    & skf21("5","4","3","1","2","1","5","1") = "4"
    & skf21("5","4","3","1","2","1","6","1") = "5"
    & skf21("5","4","3","1","2","1","7","1") = "6"
    & skf21("5","4","3","1","2","2","1","1") = "4"
    & skf21("5","4","3","1","2","2","2","1") = "4"
    & skf21("5","4","3","1","2","2","3","1") = "4"
    & skf21("5","4","3","1","2","2","4","1") = "4"
    & skf21("5","4","3","1","2","2","5","1") = "4"
    & skf21("5","4","3","1","2","2","6","1") = "5"
    & skf21("5","4","3","1","2","2","7","1") = "6"
    & skf21("5","4","3","1","2","3","1","1") = "4"
    & skf21("5","4","3","1","2","3","2","1") = "4"
    & skf21("5","4","3","1","2","3","3","1") = "4"
    & skf21("5","4","3","1","2","3","4","1") = "4"
    & skf21("5","4","3","1","2","3","5","1") = "4"
    & skf21("5","4","3","1","2","3","6","1") = "5"
    & skf21("5","4","3","1","2","3","7","1") = "6"
    & skf21("5","4","3","1","2","4","1","1") = "4"
    & skf21("5","4","3","1","2","4","2","1") = "4"
    & skf21("5","4","3","1","2","4","3","1") = "4"
    & skf21("5","4","3","1","2","4","4","1") = "4"
    & skf21("5","4","3","1","2","4","5","1") = "4"
    & skf21("5","4","3","1","2","4","6","1") = "5"
    & skf21("5","4","3","1","2","4","7","1") = "6"
    & skf21("5","4","3","1","2","5","1","1") = "4"
    & skf21("5","4","3","1","2","5","2","1") = "4"
    & skf21("5","4","3","1","2","5","3","1") = "4"
    & skf21("5","4","3","1","2","5","4","1") = "4"
    & skf21("5","4","3","1","2","5","5","1") = "4"
    & skf21("5","4","3","1","2","5","6","1") = "5"
    & skf21("5","4","3","1","2","5","7","1") = "6"
    & skf21("5","4","3","1","2","6","1","1") = "5"
    & skf21("5","4","3","1","2","6","2","1") = "5"
    & skf21("5","4","3","1","2","6","3","1") = "5"
    & skf21("5","4","3","1","2","6","4","1") = "5"
    & skf21("5","4","3","1","2","6","5","1") = "5"
    & skf21("5","4","3","1","2","6","6","1") = "5"
    & skf21("5","4","3","1","2","6","7","1") = "6"
    & skf21("5","4","3","1","2","7","1","1") = "6"
    & skf21("5","4","3","1","2","7","2","1") = "6"
    & skf21("5","4","3","1","2","7","3","1") = "6"
    & skf21("5","4","3","1","2","7","4","1") = "6"
    & skf21("5","4","3","1","2","7","5","1") = "6"
    & skf21("5","4","3","1","2","7","6","1") = "6"
    & skf21("5","4","3","1","2","7","7","1") = "6"
    & skf21("5","4","3","1","3","1","1","1") = "4"
    & skf21("5","4","3","1","3","1","2","1") = "4"
    & skf21("5","4","3","1","3","1","3","1") = "4"
    & skf21("5","4","3","1","3","1","4","1") = "4"
    & skf21("5","4","3","1","3","1","5","1") = "4"
    & skf21("5","4","3","1","3","1","6","1") = "5"
    & skf21("5","4","3","1","3","1","7","1") = "6"
    & skf21("5","4","3","1","3","2","1","1") = "4"
    & skf21("5","4","3","1","3","2","2","1") = "4"
    & skf21("5","4","3","1","3","2","3","1") = "4"
    & skf21("5","4","3","1","3","2","4","1") = "4"
    & skf21("5","4","3","1","3","2","5","1") = "4"
    & skf21("5","4","3","1","3","2","6","1") = "5"
    & skf21("5","4","3","1","3","2","7","1") = "6"
    & skf21("5","4","3","1","3","3","1","1") = "4"
    & skf21("5","4","3","1","3","3","2","1") = "4"
    & skf21("5","4","3","1","3","3","3","1") = "4"
    & skf21("5","4","3","1","3","3","4","1") = "4"
    & skf21("5","4","3","1","3","3","5","1") = "4"
    & skf21("5","4","3","1","3","3","6","1") = "5"
    & skf21("5","4","3","1","3","3","7","1") = "6"
    & skf21("5","4","3","1","3","4","1","1") = "4"
    & skf21("5","4","3","1","3","4","2","1") = "4"
    & skf21("5","4","3","1","3","4","3","1") = "4"
    & skf21("5","4","3","1","3","4","4","1") = "4"
    & skf21("5","4","3","1","3","4","5","1") = "4"
    & skf21("5","4","3","1","3","4","6","1") = "5"
    & skf21("5","4","3","1","3","4","7","1") = "6"
    & skf21("5","4","3","1","3","5","1","1") = "4"
    & skf21("5","4","3","1","3","5","2","1") = "4"
    & skf21("5","4","3","1","3","5","3","1") = "4"
    & skf21("5","4","3","1","3","5","4","1") = "4"
    & skf21("5","4","3","1","3","5","5","1") = "4"
    & skf21("5","4","3","1","3","5","6","1") = "5"
    & skf21("5","4","3","1","3","5","7","1") = "6"
    & skf21("5","4","3","1","3","6","1","1") = "5"
    & skf21("5","4","3","1","3","6","2","1") = "5"
    & skf21("5","4","3","1","3","6","3","1") = "5"
    & skf21("5","4","3","1","3","6","4","1") = "5"
    & skf21("5","4","3","1","3","6","5","1") = "5"
    & skf21("5","4","3","1","3","6","6","1") = "5"
    & skf21("5","4","3","1","3","6","7","1") = "6"
    & skf21("5","4","3","1","3","7","1","1") = "6"
    & skf21("5","4","3","1","3","7","2","1") = "6"
    & skf21("5","4","3","1","3","7","3","1") = "6"
    & skf21("5","4","3","1","3","7","4","1") = "6"
    & skf21("5","4","3","1","3","7","5","1") = "6"
    & skf21("5","4","3","1","3","7","6","1") = "6"
    & skf21("5","4","3","1","3","7","7","1") = "6"
    & skf21("5","4","3","1","4","1","1","1") = "4"
    & skf21("5","4","3","1","4","1","2","1") = "4"
    & skf21("5","4","3","1","4","1","3","1") = "4"
    & skf21("5","4","3","1","4","1","4","1") = "4"
    & skf21("5","4","3","1","4","1","5","1") = "4"
    & skf21("5","4","3","1","4","1","6","1") = "5"
    & skf21("5","4","3","1","4","1","7","1") = "6"
    & skf21("5","4","3","1","4","2","1","1") = "4"
    & skf21("5","4","3","1","4","2","2","1") = "4"
    & skf21("5","4","3","1","4","2","3","1") = "4"
    & skf21("5","4","3","1","4","2","4","1") = "4"
    & skf21("5","4","3","1","4","2","5","1") = "4"
    & skf21("5","4","3","1","4","2","6","1") = "5"
    & skf21("5","4","3","1","4","2","7","1") = "6"
    & skf21("5","4","3","1","4","3","1","1") = "4"
    & skf21("5","4","3","1","4","3","2","1") = "4"
    & skf21("5","4","3","1","4","3","3","1") = "4"
    & skf21("5","4","3","1","4","3","4","1") = "4"
    & skf21("5","4","3","1","4","3","5","1") = "4"
    & skf21("5","4","3","1","4","3","6","1") = "5"
    & skf21("5","4","3","1","4","3","7","1") = "6"
    & skf21("5","4","3","1","4","4","1","1") = "4"
    & skf21("5","4","3","1","4","4","2","1") = "4"
    & skf21("5","4","3","1","4","4","3","1") = "4"
    & skf21("5","4","3","1","4","4","4","1") = "4"
    & skf21("5","4","3","1","4","4","5","1") = "4"
    & skf21("5","4","3","1","4","4","6","1") = "5"
    & skf21("5","4","3","1","4","4","7","1") = "6"
    & skf21("5","4","3","1","4","5","1","1") = "4"
    & skf21("5","4","3","1","4","5","2","1") = "4"
    & skf21("5","4","3","1","4","5","3","1") = "4"
    & skf21("5","4","3","1","4","5","4","1") = "4"
    & skf21("5","4","3","1","4","5","5","1") = "4"
    & skf21("5","4","3","1","4","5","6","1") = "5"
    & skf21("5","4","3","1","4","5","7","1") = "6"
    & skf21("5","4","3","1","4","6","1","1") = "5"
    & skf21("5","4","3","1","4","6","2","1") = "5"
    & skf21("5","4","3","1","4","6","3","1") = "5"
    & skf21("5","4","3","1","4","6","4","1") = "5"
    & skf21("5","4","3","1","4","6","5","1") = "5"
    & skf21("5","4","3","1","4","6","6","1") = "5"
    & skf21("5","4","3","1","4","6","7","1") = "6"
    & skf21("5","4","3","1","4","7","1","1") = "6"
    & skf21("5","4","3","1","4","7","2","1") = "6"
    & skf21("5","4","3","1","4","7","3","1") = "6"
    & skf21("5","4","3","1","4","7","4","1") = "6"
    & skf21("5","4","3","1","4","7","5","1") = "6"
    & skf21("5","4","3","1","4","7","6","1") = "6"
    & skf21("5","4","3","1","4","7","7","1") = "6"
    & skf21("5","4","3","1","5","1","1","1") = "4"
    & skf21("5","4","3","1","5","1","2","1") = "4"
    & skf21("5","4","3","1","5","1","3","1") = "4"
    & skf21("5","4","3","1","5","1","4","1") = "4"
    & skf21("5","4","3","1","5","1","5","1") = "4"
    & skf21("5","4","3","1","5","1","6","1") = "5"
    & skf21("5","4","3","1","5","1","7","1") = "6"
    & skf21("5","4","3","1","5","2","1","1") = "4"
    & skf21("5","4","3","1","5","2","2","1") = "4"
    & skf21("5","4","3","1","5","2","3","1") = "4"
    & skf21("5","4","3","1","5","2","4","1") = "4"
    & skf21("5","4","3","1","5","2","5","1") = "4"
    & skf21("5","4","3","1","5","2","6","1") = "5"
    & skf21("5","4","3","1","5","2","7","1") = "6"
    & skf21("5","4","3","1","5","3","1","1") = "4"
    & skf21("5","4","3","1","5","3","2","1") = "4"
    & skf21("5","4","3","1","5","3","3","1") = "4"
    & skf21("5","4","3","1","5","3","4","1") = "4"
    & skf21("5","4","3","1","5","3","5","1") = "4"
    & skf21("5","4","3","1","5","3","6","1") = "5"
    & skf21("5","4","3","1","5","3","7","1") = "6"
    & skf21("5","4","3","1","5","4","1","1") = "4"
    & skf21("5","4","3","1","5","4","2","1") = "4"
    & skf21("5","4","3","1","5","4","3","1") = "4"
    & skf21("5","4","3","1","5","4","4","1") = "4"
    & skf21("5","4","3","1","5","4","5","1") = "4"
    & skf21("5","4","3","1","5","4","6","1") = "5"
    & skf21("5","4","3","1","5","4","7","1") = "6"
    & skf21("5","4","3","1","5","5","1","1") = "4"
    & skf21("5","4","3","1","5","5","2","1") = "4"
    & skf21("5","4","3","1","5","5","3","1") = "4"
    & skf21("5","4","3","1","5","5","4","1") = "4"
    & skf21("5","4","3","1","5","5","5","1") = "4"
    & skf21("5","4","3","1","5","5","6","1") = "5"
    & skf21("5","4","3","1","5","5","7","1") = "6"
    & skf21("5","4","3","1","5","6","1","1") = "5"
    & skf21("5","4","3","1","5","6","2","1") = "5"
    & skf21("5","4","3","1","5","6","3","1") = "5"
    & skf21("5","4","3","1","5","6","4","1") = "5"
    & skf21("5","4","3","1","5","6","5","1") = "5"
    & skf21("5","4","3","1","5","6","6","1") = "5"
    & skf21("5","4","3","1","5","6","7","1") = "6"
    & skf21("5","4","3","1","5","7","1","1") = "6"
    & skf21("5","4","3","1","5","7","2","1") = "6"
    & skf21("5","4","3","1","5","7","3","1") = "6"
    & skf21("5","4","3","1","5","7","4","1") = "6"
    & skf21("5","4","3","1","5","7","5","1") = "6"
    & skf21("5","4","3","1","5","7","6","1") = "6"
    & skf21("5","4","3","1","5","7","7","1") = "6"
    & skf21("5","4","3","1","6","1","1","1") = "5"
    & skf21("5","4","3","1","6","1","2","1") = "5"
    & skf21("5","4","3","1","6","1","3","1") = "5"
    & skf21("5","4","3","1","6","1","4","1") = "5"
    & skf21("5","4","3","1","6","1","5","1") = "5"
    & skf21("5","4","3","1","6","1","6","1") = "5"
    & skf21("5","4","3","1","6","1","7","1") = "6"
    & skf21("5","4","3","1","6","2","1","1") = "5"
    & skf21("5","4","3","1","6","2","2","1") = "5"
    & skf21("5","4","3","1","6","2","3","1") = "5"
    & skf21("5","4","3","1","6","2","4","1") = "5"
    & skf21("5","4","3","1","6","2","5","1") = "5"
    & skf21("5","4","3","1","6","2","6","1") = "5"
    & skf21("5","4","3","1","6","2","7","1") = "6"
    & skf21("5","4","3","1","6","3","1","1") = "5"
    & skf21("5","4","3","1","6","3","2","1") = "5"
    & skf21("5","4","3","1","6","3","3","1") = "5"
    & skf21("5","4","3","1","6","3","4","1") = "5"
    & skf21("5","4","3","1","6","3","5","1") = "5"
    & skf21("5","4","3","1","6","3","6","1") = "5"
    & skf21("5","4","3","1","6","3","7","1") = "6"
    & skf21("5","4","3","1","6","4","1","1") = "5"
    & skf21("5","4","3","1","6","4","2","1") = "5"
    & skf21("5","4","3","1","6","4","3","1") = "5"
    & skf21("5","4","3","1","6","4","4","1") = "5"
    & skf21("5","4","3","1","6","4","5","1") = "5"
    & skf21("5","4","3","1","6","4","6","1") = "5"
    & skf21("5","4","3","1","6","4","7","1") = "6"
    & skf21("5","4","3","1","6","5","1","1") = "5"
    & skf21("5","4","3","1","6","5","2","1") = "5"
    & skf21("5","4","3","1","6","5","3","1") = "5"
    & skf21("5","4","3","1","6","5","4","1") = "5"
    & skf21("5","4","3","1","6","5","5","1") = "5"
    & skf21("5","4","3","1","6","5","6","1") = "5"
    & skf21("5","4","3","1","6","5","7","1") = "6"
    & skf21("5","4","3","1","6","6","1","1") = "5"
    & skf21("5","4","3","1","6","6","2","1") = "5"
    & skf21("5","4","3","1","6","6","3","1") = "5"
    & skf21("5","4","3","1","6","6","4","1") = "5"
    & skf21("5","4","3","1","6","6","5","1") = "5"
    & skf21("5","4","3","1","6","6","6","1") = "5"
    & skf21("5","4","3","1","6","6","7","1") = "6"
    & skf21("5","4","3","1","6","7","1","1") = "6"
    & skf21("5","4","3","1","6","7","2","1") = "6"
    & skf21("5","4","3","1","6","7","3","1") = "6"
    & skf21("5","4","3","1","6","7","4","1") = "6"
    & skf21("5","4","3","1","6","7","5","1") = "6"
    & skf21("5","4","3","1","6","7","6","1") = "6"
    & skf21("5","4","3","1","6","7","7","1") = "6"
    & skf21("5","4","3","1","7","1","1","1") = "6"
    & skf21("5","4","3","1","7","1","2","1") = "6"
    & skf21("5","4","3","1","7","1","3","1") = "6"
    & skf21("5","4","3","1","7","1","4","1") = "6"
    & skf21("5","4","3","1","7","1","5","1") = "6"
    & skf21("5","4","3","1","7","1","6","1") = "6"
    & skf21("5","4","3","1","7","1","7","1") = "6"
    & skf21("5","4","3","1","7","2","1","1") = "6"
    & skf21("5","4","3","1","7","2","2","1") = "6"
    & skf21("5","4","3","1","7","2","3","1") = "6"
    & skf21("5","4","3","1","7","2","4","1") = "6"
    & skf21("5","4","3","1","7","2","5","1") = "6"
    & skf21("5","4","3","1","7","2","6","1") = "6"
    & skf21("5","4","3","1","7","2","7","1") = "6"
    & skf21("5","4","3","1","7","3","1","1") = "6"
    & skf21("5","4","3","1","7","3","2","1") = "6"
    & skf21("5","4","3","1","7","3","3","1") = "6"
    & skf21("5","4","3","1","7","3","4","1") = "6"
    & skf21("5","4","3","1","7","3","5","1") = "6"
    & skf21("5","4","3","1","7","3","6","1") = "6"
    & skf21("5","4","3","1","7","3","7","1") = "6"
    & skf21("5","4","3","1","7","4","1","1") = "6"
    & skf21("5","4","3","1","7","4","2","1") = "6"
    & skf21("5","4","3","1","7","4","3","1") = "6"
    & skf21("5","4","3","1","7","4","4","1") = "6"
    & skf21("5","4","3","1","7","4","5","1") = "6"
    & skf21("5","4","3","1","7","4","6","1") = "6"
    & skf21("5","4","3","1","7","4","7","1") = "6"
    & skf21("5","4","3","1","7","5","1","1") = "6"
    & skf21("5","4","3","1","7","5","2","1") = "6"
    & skf21("5","4","3","1","7","5","3","1") = "6"
    & skf21("5","4","3","1","7","5","4","1") = "6"
    & skf21("5","4","3","1","7","5","5","1") = "6"
    & skf21("5","4","3","1","7","5","6","1") = "6"
    & skf21("5","4","3","1","7","5","7","1") = "6"
    & skf21("5","4","3","1","7","6","1","1") = "6"
    & skf21("5","4","3","1","7","6","2","1") = "6"
    & skf21("5","4","3","1","7","6","3","1") = "6"
    & skf21("5","4","3","1","7","6","4","1") = "6"
    & skf21("5","4","3","1","7","6","5","1") = "6"
    & skf21("5","4","3","1","7","6","6","1") = "6"
    & skf21("5","4","3","1","7","6","7","1") = "6"
    & skf21("5","4","3","1","7","7","1","1") = "6"
    & skf21("5","4","3","1","7","7","2","1") = "6"
    & skf21("5","4","3","1","7","7","3","1") = "6"
    & skf21("5","4","3","1","7","7","4","1") = "6"
    & skf21("5","4","3","1","7","7","5","1") = "6"
    & skf21("5","4","3","1","7","7","6","1") = "6"
    & skf21("5","4","3","1","7","7","7","1") = "6"
    & skf21("5","4","3","2","1","1","1","1") = "4"
    & skf21("5","4","3","2","1","1","2","1") = "4"
    & skf21("5","4","3","2","1","1","3","1") = "4"
    & skf21("5","4","3","2","1","1","4","1") = "4"
    & skf21("5","4","3","2","1","1","5","1") = "4"
    & skf21("5","4","3","2","1","1","6","1") = "5"
    & skf21("5","4","3","2","1","1","7","1") = "6"
    & skf21("5","4","3","2","1","2","1","1") = "4"
    & skf21("5","4","3","2","1","2","2","1") = "4"
    & skf21("5","4","3","2","1","2","3","1") = "4"
    & skf21("5","4","3","2","1","2","4","1") = "4"
    & skf21("5","4","3","2","1","2","5","1") = "4"
    & skf21("5","4","3","2","1","2","6","1") = "5"
    & skf21("5","4","3","2","1","2","7","1") = "6"
    & skf21("5","4","3","2","1","3","1","1") = "4"
    & skf21("5","4","3","2","1","3","2","1") = "4"
    & skf21("5","4","3","2","1","3","3","1") = "4"
    & skf21("5","4","3","2","1","3","4","1") = "4"
    & skf21("5","4","3","2","1","3","5","1") = "4"
    & skf21("5","4","3","2","1","3","6","1") = "5"
    & skf21("5","4","3","2","1","3","7","1") = "6"
    & skf21("5","4","3","2","1","4","1","1") = "4"
    & skf21("5","4","3","2","1","4","2","1") = "4"
    & skf21("5","4","3","2","1","4","3","1") = "4"
    & skf21("5","4","3","2","1","4","4","1") = "4"
    & skf21("5","4","3","2","1","4","5","1") = "4"
    & skf21("5","4","3","2","1","4","6","1") = "5"
    & skf21("5","4","3","2","1","4","7","1") = "6"
    & skf21("5","4","3","2","1","5","1","1") = "4"
    & skf21("5","4","3","2","1","5","2","1") = "4"
    & skf21("5","4","3","2","1","5","3","1") = "4"
    & skf21("5","4","3","2","1","5","4","1") = "4"
    & skf21("5","4","3","2","1","5","5","1") = "4"
    & skf21("5","4","3","2","1","5","6","1") = "5"
    & skf21("5","4","3","2","1","5","7","1") = "6"
    & skf21("5","4","3","2","1","6","1","1") = "5"
    & skf21("5","4","3","2","1","6","2","1") = "5"
    & skf21("5","4","3","2","1","6","3","1") = "5"
    & skf21("5","4","3","2","1","6","4","1") = "5"
    & skf21("5","4","3","2","1","6","5","1") = "5"
    & skf21("5","4","3","2","1","6","6","1") = "5"
    & skf21("5","4","3","2","1","6","7","1") = "6"
    & skf21("5","4","3","2","1","7","1","1") = "6"
    & skf21("5","4","3","2","1","7","2","1") = "6"
    & skf21("5","4","3","2","1","7","3","1") = "6"
    & skf21("5","4","3","2","1","7","4","1") = "6"
    & skf21("5","4","3","2","1","7","5","1") = "6"
    & skf21("5","4","3","2","1","7","6","1") = "6"
    & skf21("5","4","3","2","1","7","7","1") = "6"
    & skf21("5","4","3","2","2","1","1","1") = "4"
    & skf21("5","4","3","2","2","1","2","1") = "4"
    & skf21("5","4","3","2","2","1","3","1") = "4"
    & skf21("5","4","3","2","2","1","4","1") = "4"
    & skf21("5","4","3","2","2","1","5","1") = "4"
    & skf21("5","4","3","2","2","1","6","1") = "5"
    & skf21("5","4","3","2","2","1","7","1") = "6"
    & skf21("5","4","3","2","2","2","1","1") = "4"
    & skf21("5","4","3","2","2","2","2","1") = "4"
    & skf21("5","4","3","2","2","2","3","1") = "4"
    & skf21("5","4","3","2","2","2","4","1") = "4"
    & skf21("5","4","3","2","2","2","5","1") = "4"
    & skf21("5","4","3","2","2","2","6","1") = "5"
    & skf21("5","4","3","2","2","2","7","1") = "6"
    & skf21("5","4","3","2","2","3","1","1") = "4"
    & skf21("5","4","3","2","2","3","2","1") = "4"
    & skf21("5","4","3","2","2","3","3","1") = "4"
    & skf21("5","4","3","2","2","3","4","1") = "4"
    & skf21("5","4","3","2","2","3","5","1") = "4"
    & skf21("5","4","3","2","2","3","6","1") = "5"
    & skf21("5","4","3","2","2","3","7","1") = "6"
    & skf21("5","4","3","2","2","4","1","1") = "4"
    & skf21("5","4","3","2","2","4","2","1") = "4"
    & skf21("5","4","3","2","2","4","3","1") = "4"
    & skf21("5","4","3","2","2","4","4","1") = "4"
    & skf21("5","4","3","2","2","4","5","1") = "4"
    & skf21("5","4","3","2","2","4","6","1") = "5"
    & skf21("5","4","3","2","2","4","7","1") = "6"
    & skf21("5","4","3","2","2","5","1","1") = "4"
    & skf21("5","4","3","2","2","5","2","1") = "4"
    & skf21("5","4","3","2","2","5","3","1") = "4"
    & skf21("5","4","3","2","2","5","4","1") = "4"
    & skf21("5","4","3","2","2","5","5","1") = "4"
    & skf21("5","4","3","2","2","5","6","1") = "5"
    & skf21("5","4","3","2","2","5","7","1") = "6"
    & skf21("5","4","3","2","2","6","1","1") = "5"
    & skf21("5","4","3","2","2","6","2","1") = "5"
    & skf21("5","4","3","2","2","6","3","1") = "5"
    & skf21("5","4","3","2","2","6","4","1") = "5"
    & skf21("5","4","3","2","2","6","5","1") = "5"
    & skf21("5","4","3","2","2","6","6","1") = "5"
    & skf21("5","4","3","2","2","6","7","1") = "6"
    & skf21("5","4","3","2","2","7","1","1") = "6"
    & skf21("5","4","3","2","2","7","2","1") = "6"
    & skf21("5","4","3","2","2","7","3","1") = "6"
    & skf21("5","4","3","2","2","7","4","1") = "6"
    & skf21("5","4","3","2","2","7","5","1") = "6"
    & skf21("5","4","3","2","2","7","6","1") = "6"
    & skf21("5","4","3","2","2","7","7","1") = "6"
    & skf21("5","4","3","2","3","1","1","1") = "4"
    & skf21("5","4","3","2","3","1","2","1") = "4"
    & skf21("5","4","3","2","3","1","3","1") = "4"
    & skf21("5","4","3","2","3","1","4","1") = "4"
    & skf21("5","4","3","2","3","1","5","1") = "4"
    & skf21("5","4","3","2","3","1","6","1") = "5"
    & skf21("5","4","3","2","3","1","7","1") = "6"
    & skf21("5","4","3","2","3","2","1","1") = "4"
    & skf21("5","4","3","2","3","2","2","1") = "4"
    & skf21("5","4","3","2","3","2","3","1") = "4"
    & skf21("5","4","3","2","3","2","4","1") = "4"
    & skf21("5","4","3","2","3","2","5","1") = "4"
    & skf21("5","4","3","2","3","2","6","1") = "5"
    & skf21("5","4","3","2","3","2","7","1") = "6"
    & skf21("5","4","3","2","3","3","1","1") = "4"
    & skf21("5","4","3","2","3","3","2","1") = "4"
    & skf21("5","4","3","2","3","3","3","1") = "4"
    & skf21("5","4","3","2","3","3","4","1") = "4"
    & skf21("5","4","3","2","3","3","5","1") = "4"
    & skf21("5","4","3","2","3","3","6","1") = "5"
    & skf21("5","4","3","2","3","3","7","1") = "6"
    & skf21("5","4","3","2","3","4","1","1") = "4"
    & skf21("5","4","3","2","3","4","2","1") = "4"
    & skf21("5","4","3","2","3","4","3","1") = "4"
    & skf21("5","4","3","2","3","4","4","1") = "4"
    & skf21("5","4","3","2","3","4","5","1") = "4"
    & skf21("5","4","3","2","3","4","6","1") = "5"
    & skf21("5","4","3","2","3","4","7","1") = "6"
    & skf21("5","4","3","2","3","5","1","1") = "4"
    & skf21("5","4","3","2","3","5","2","1") = "4"
    & skf21("5","4","3","2","3","5","3","1") = "4"
    & skf21("5","4","3","2","3","5","4","1") = "4"
    & skf21("5","4","3","2","3","5","5","1") = "4"
    & skf21("5","4","3","2","3","5","6","1") = "5"
    & skf21("5","4","3","2","3","5","7","1") = "6"
    & skf21("5","4","3","2","3","6","1","1") = "5"
    & skf21("5","4","3","2","3","6","2","1") = "5"
    & skf21("5","4","3","2","3","6","3","1") = "5"
    & skf21("5","4","3","2","3","6","4","1") = "5"
    & skf21("5","4","3","2","3","6","5","1") = "5"
    & skf21("5","4","3","2","3","6","6","1") = "5"
    & skf21("5","4","3","2","3","6","7","1") = "6"
    & skf21("5","4","3","2","3","7","1","1") = "6"
    & skf21("5","4","3","2","3","7","2","1") = "6"
    & skf21("5","4","3","2","3","7","3","1") = "6"
    & skf21("5","4","3","2","3","7","4","1") = "6"
    & skf21("5","4","3","2","3","7","5","1") = "6"
    & skf21("5","4","3","2","3","7","6","1") = "6"
    & skf21("5","4","3","2","3","7","7","1") = "6"
    & skf21("5","4","3","2","4","1","1","1") = "4"
    & skf21("5","4","3","2","4","1","2","1") = "4"
    & skf21("5","4","3","2","4","1","3","1") = "4"
    & skf21("5","4","3","2","4","1","4","1") = "4"
    & skf21("5","4","3","2","4","1","5","1") = "4"
    & skf21("5","4","3","2","4","1","6","1") = "5"
    & skf21("5","4","3","2","4","1","7","1") = "6"
    & skf21("5","4","3","2","4","2","1","1") = "4"
    & skf21("5","4","3","2","4","2","2","1") = "4"
    & skf21("5","4","3","2","4","2","3","1") = "4"
    & skf21("5","4","3","2","4","2","4","1") = "4"
    & skf21("5","4","3","2","4","2","5","1") = "4"
    & skf21("5","4","3","2","4","2","6","1") = "5"
    & skf21("5","4","3","2","4","2","7","1") = "6"
    & skf21("5","4","3","2","4","3","1","1") = "4"
    & skf21("5","4","3","2","4","3","2","1") = "4"
    & skf21("5","4","3","2","4","3","3","1") = "4"
    & skf21("5","4","3","2","4","3","4","1") = "4"
    & skf21("5","4","3","2","4","3","5","1") = "4"
    & skf21("5","4","3","2","4","3","6","1") = "5"
    & skf21("5","4","3","2","4","3","7","1") = "6"
    & skf21("5","4","3","2","4","4","1","1") = "4"
    & skf21("5","4","3","2","4","4","2","1") = "4"
    & skf21("5","4","3","2","4","4","3","1") = "4"
    & skf21("5","4","3","2","4","4","4","1") = "4"
    & skf21("5","4","3","2","4","4","5","1") = "4"
    & skf21("5","4","3","2","4","4","6","1") = "5"
    & skf21("5","4","3","2","4","4","7","1") = "6"
    & skf21("5","4","3","2","4","5","1","1") = "4"
    & skf21("5","4","3","2","4","5","2","1") = "4"
    & skf21("5","4","3","2","4","5","3","1") = "4"
    & skf21("5","4","3","2","4","5","4","1") = "4"
    & skf21("5","4","3","2","4","5","5","1") = "4"
    & skf21("5","4","3","2","4","5","6","1") = "5"
    & skf21("5","4","3","2","4","5","7","1") = "6"
    & skf21("5","4","3","2","4","6","1","1") = "5"
    & skf21("5","4","3","2","4","6","2","1") = "5"
    & skf21("5","4","3","2","4","6","3","1") = "5"
    & skf21("5","4","3","2","4","6","4","1") = "5"
    & skf21("5","4","3","2","4","6","5","1") = "5"
    & skf21("5","4","3","2","4","6","6","1") = "5"
    & skf21("5","4","3","2","4","6","7","1") = "6"
    & skf21("5","4","3","2","4","7","1","1") = "6"
    & skf21("5","4","3","2","4","7","2","1") = "6"
    & skf21("5","4","3","2","4","7","3","1") = "6"
    & skf21("5","4","3","2","4","7","4","1") = "6"
    & skf21("5","4","3","2","4","7","5","1") = "6"
    & skf21("5","4","3","2","4","7","6","1") = "6"
    & skf21("5","4","3","2","4","7","7","1") = "6"
    & skf21("5","4","3","2","5","1","1","1") = "4"
    & skf21("5","4","3","2","5","1","2","1") = "4"
    & skf21("5","4","3","2","5","1","3","1") = "4"
    & skf21("5","4","3","2","5","1","4","1") = "4"
    & skf21("5","4","3","2","5","1","5","1") = "4"
    & skf21("5","4","3","2","5","1","6","1") = "5"
    & skf21("5","4","3","2","5","1","7","1") = "6"
    & skf21("5","4","3","2","5","2","1","1") = "4"
    & skf21("5","4","3","2","5","2","2","1") = "4"
    & skf21("5","4","3","2","5","2","3","1") = "4"
    & skf21("5","4","3","2","5","2","4","1") = "4"
    & skf21("5","4","3","2","5","2","5","1") = "4"
    & skf21("5","4","3","2","5","2","6","1") = "5"
    & skf21("5","4","3","2","5","2","7","1") = "6"
    & skf21("5","4","3","2","5","3","1","1") = "4"
    & skf21("5","4","3","2","5","3","2","1") = "4"
    & skf21("5","4","3","2","5","3","3","1") = "4"
    & skf21("5","4","3","2","5","3","4","1") = "4"
    & skf21("5","4","3","2","5","3","5","1") = "4"
    & skf21("5","4","3","2","5","3","6","1") = "5"
    & skf21("5","4","3","2","5","3","7","1") = "6"
    & skf21("5","4","3","2","5","4","1","1") = "4"
    & skf21("5","4","3","2","5","4","2","1") = "4"
    & skf21("5","4","3","2","5","4","3","1") = "4"
    & skf21("5","4","3","2","5","4","4","1") = "4"
    & skf21("5","4","3","2","5","4","5","1") = "4"
    & skf21("5","4","3","2","5","4","6","1") = "5"
    & skf21("5","4","3","2","5","4","7","1") = "6"
    & skf21("5","4","3","2","5","5","1","1") = "4"
    & skf21("5","4","3","2","5","5","2","1") = "4"
    & skf21("5","4","3","2","5","5","3","1") = "4"
    & skf21("5","4","3","2","5","5","4","1") = "4"
    & skf21("5","4","3","2","5","5","5","1") = "4"
    & skf21("5","4","3","2","5","5","6","1") = "5"
    & skf21("5","4","3","2","5","5","7","1") = "6"
    & skf21("5","4","3","2","5","6","1","1") = "5"
    & skf21("5","4","3","2","5","6","2","1") = "5"
    & skf21("5","4","3","2","5","6","3","1") = "5"
    & skf21("5","4","3","2","5","6","4","1") = "5"
    & skf21("5","4","3","2","5","6","5","1") = "5"
    & skf21("5","4","3","2","5","6","6","1") = "5"
    & skf21("5","4","3","2","5","6","7","1") = "6"
    & skf21("5","4","3","2","5","7","1","1") = "6"
    & skf21("5","4","3","2","5","7","2","1") = "6"
    & skf21("5","4","3","2","5","7","3","1") = "6"
    & skf21("5","4","3","2","5","7","4","1") = "6"
    & skf21("5","4","3","2","5","7","5","1") = "6"
    & skf21("5","4","3","2","5","7","6","1") = "6"
    & skf21("5","4","3","2","5","7","7","1") = "6"
    & skf21("5","4","3","2","6","1","1","1") = "5"
    & skf21("5","4","3","2","6","1","2","1") = "5"
    & skf21("5","4","3","2","6","1","3","1") = "5"
    & skf21("5","4","3","2","6","1","4","1") = "5"
    & skf21("5","4","3","2","6","1","5","1") = "5"
    & skf21("5","4","3","2","6","1","6","1") = "5"
    & skf21("5","4","3","2","6","1","7","1") = "6"
    & skf21("5","4","3","2","6","2","1","1") = "5"
    & skf21("5","4","3","2","6","2","2","1") = "5"
    & skf21("5","4","3","2","6","2","3","1") = "5"
    & skf21("5","4","3","2","6","2","4","1") = "5"
    & skf21("5","4","3","2","6","2","5","1") = "5"
    & skf21("5","4","3","2","6","2","6","1") = "5"
    & skf21("5","4","3","2","6","2","7","1") = "6"
    & skf21("5","4","3","2","6","3","1","1") = "5"
    & skf21("5","4","3","2","6","3","2","1") = "5"
    & skf21("5","4","3","2","6","3","3","1") = "5"
    & skf21("5","4","3","2","6","3","4","1") = "5"
    & skf21("5","4","3","2","6","3","5","1") = "5"
    & skf21("5","4","3","2","6","3","6","1") = "5"
    & skf21("5","4","3","2","6","3","7","1") = "6"
    & skf21("5","4","3","2","6","4","1","1") = "5"
    & skf21("5","4","3","2","6","4","2","1") = "5"
    & skf21("5","4","3","2","6","4","3","1") = "5"
    & skf21("5","4","3","2","6","4","4","1") = "5"
    & skf21("5","4","3","2","6","4","5","1") = "5"
    & skf21("5","4","3","2","6","4","6","1") = "5"
    & skf21("5","4","3","2","6","4","7","1") = "6"
    & skf21("5","4","3","2","6","5","1","1") = "5"
    & skf21("5","4","3","2","6","5","2","1") = "5"
    & skf21("5","4","3","2","6","5","3","1") = "5"
    & skf21("5","4","3","2","6","5","4","1") = "5"
    & skf21("5","4","3","2","6","5","5","1") = "5"
    & skf21("5","4","3","2","6","5","6","1") = "5"
    & skf21("5","4","3","2","6","5","7","1") = "6"
    & skf21("5","4","3","2","6","6","1","1") = "5"
    & skf21("5","4","3","2","6","6","2","1") = "5"
    & skf21("5","4","3","2","6","6","3","1") = "5"
    & skf21("5","4","3","2","6","6","4","1") = "5"
    & skf21("5","4","3","2","6","6","5","1") = "5"
    & skf21("5","4","3","2","6","6","6","1") = "5"
    & skf21("5","4","3","2","6","6","7","1") = "6"
    & skf21("5","4","3","2","6","7","1","1") = "6"
    & skf21("5","4","3","2","6","7","2","1") = "6"
    & skf21("5","4","3","2","6","7","3","1") = "6"
    & skf21("5","4","3","2","6","7","4","1") = "6"
    & skf21("5","4","3","2","6","7","5","1") = "6"
    & skf21("5","4","3","2","6","7","6","1") = "6"
    & skf21("5","4","3","2","6","7","7","1") = "6"
    & skf21("5","4","3","2","7","1","1","1") = "6"
    & skf21("5","4","3","2","7","1","2","1") = "6"
    & skf21("5","4","3","2","7","1","3","1") = "6"
    & skf21("5","4","3","2","7","1","4","1") = "6"
    & skf21("5","4","3","2","7","1","5","1") = "6"
    & skf21("5","4","3","2","7","1","6","1") = "6"
    & skf21("5","4","3","2","7","1","7","1") = "6"
    & skf21("5","4","3","2","7","2","1","1") = "6"
    & skf21("5","4","3","2","7","2","2","1") = "6"
    & skf21("5","4","3","2","7","2","3","1") = "6"
    & skf21("5","4","3","2","7","2","4","1") = "6"
    & skf21("5","4","3","2","7","2","5","1") = "6"
    & skf21("5","4","3","2","7","2","6","1") = "6"
    & skf21("5","4","3","2","7","2","7","1") = "6"
    & skf21("5","4","3","2","7","3","1","1") = "6"
    & skf21("5","4","3","2","7","3","2","1") = "6"
    & skf21("5","4","3","2","7","3","3","1") = "6"
    & skf21("5","4","3","2","7","3","4","1") = "6"
    & skf21("5","4","3","2","7","3","5","1") = "6"
    & skf21("5","4","3","2","7","3","6","1") = "6"
    & skf21("5","4","3","2","7","3","7","1") = "6"
    & skf21("5","4","3","2","7","4","1","1") = "6"
    & skf21("5","4","3","2","7","4","2","1") = "6"
    & skf21("5","4","3","2","7","4","3","1") = "6"
    & skf21("5","4","3","2","7","4","4","1") = "6"
    & skf21("5","4","3","2","7","4","5","1") = "6"
    & skf21("5","4","3","2","7","4","6","1") = "6"
    & skf21("5","4","3","2","7","4","7","1") = "6"
    & skf21("5","4","3","2","7","5","1","1") = "6"
    & skf21("5","4","3","2","7","5","2","1") = "6"
    & skf21("5","4","3","2","7","5","3","1") = "6"
    & skf21("5","4","3","2","7","5","4","1") = "6"
    & skf21("5","4","3","2","7","5","5","1") = "6"
    & skf21("5","4","3","2","7","5","6","1") = "6"
    & skf21("5","4","3","2","7","5","7","1") = "6"
    & skf21("5","4","3","2","7","6","1","1") = "6"
    & skf21("5","4","3","2","7","6","2","1") = "6"
    & skf21("5","4","3","2","7","6","3","1") = "6"
    & skf21("5","4","3","2","7","6","4","1") = "6"
    & skf21("5","4","3","2","7","6","5","1") = "6"
    & skf21("5","4","3","2","7","6","6","1") = "6"
    & skf21("5","4","3","2","7","6","7","1") = "6"
    & skf21("5","4","3","2","7","7","1","1") = "6"
    & skf21("5","4","3","2","7","7","2","1") = "6"
    & skf21("5","4","3","2","7","7","3","1") = "6"
    & skf21("5","4","3","2","7","7","4","1") = "6"
    & skf21("5","4","3","2","7","7","5","1") = "6"
    & skf21("5","4","3","2","7","7","6","1") = "6"
    & skf21("5","4","3","2","7","7","7","1") = "6"
    & skf21("5","4","3","3","1","1","1","1") = "4"
    & skf21("5","4","3","3","1","1","2","1") = "4"
    & skf21("5","4","3","3","1","1","3","1") = "4"
    & skf21("5","4","3","3","1","1","4","1") = "4"
    & skf21("5","4","3","3","1","1","5","1") = "4"
    & skf21("5","4","3","3","1","1","6","1") = "5"
    & skf21("5","4","3","3","1","1","7","1") = "6"
    & skf21("5","4","3","3","1","2","1","1") = "4"
    & skf21("5","4","3","3","1","2","2","1") = "4"
    & skf21("5","4","3","3","1","2","3","1") = "4"
    & skf21("5","4","3","3","1","2","4","1") = "4"
    & skf21("5","4","3","3","1","2","5","1") = "4"
    & skf21("5","4","3","3","1","2","6","1") = "5"
    & skf21("5","4","3","3","1","2","7","1") = "6"
    & skf21("5","4","3","3","1","3","1","1") = "4"
    & skf21("5","4","3","3","1","3","2","1") = "4"
    & skf21("5","4","3","3","1","3","3","1") = "4"
    & skf21("5","4","3","3","1","3","4","1") = "4"
    & skf21("5","4","3","3","1","3","5","1") = "4"
    & skf21("5","4","3","3","1","3","6","1") = "5"
    & skf21("5","4","3","3","1","3","7","1") = "6"
    & skf21("5","4","3","3","1","4","1","1") = "4"
    & skf21("5","4","3","3","1","4","2","1") = "4"
    & skf21("5","4","3","3","1","4","3","1") = "4"
    & skf21("5","4","3","3","1","4","4","1") = "4"
    & skf21("5","4","3","3","1","4","5","1") = "4"
    & skf21("5","4","3","3","1","4","6","1") = "5"
    & skf21("5","4","3","3","1","4","7","1") = "6"
    & skf21("5","4","3","3","1","5","1","1") = "4"
    & skf21("5","4","3","3","1","5","2","1") = "4"
    & skf21("5","4","3","3","1","5","3","1") = "4"
    & skf21("5","4","3","3","1","5","4","1") = "4"
    & skf21("5","4","3","3","1","5","5","1") = "4"
    & skf21("5","4","3","3","1","5","6","1") = "5"
    & skf21("5","4","3","3","1","5","7","1") = "6"
    & skf21("5","4","3","3","1","6","1","1") = "5"
    & skf21("5","4","3","3","1","6","2","1") = "5"
    & skf21("5","4","3","3","1","6","3","1") = "5"
    & skf21("5","4","3","3","1","6","4","1") = "5"
    & skf21("5","4","3","3","1","6","5","1") = "5"
    & skf21("5","4","3","3","1","6","6","1") = "5"
    & skf21("5","4","3","3","1","6","7","1") = "6"
    & skf21("5","4","3","3","1","7","1","1") = "6"
    & skf21("5","4","3","3","1","7","2","1") = "6"
    & skf21("5","4","3","3","1","7","3","1") = "6"
    & skf21("5","4","3","3","1","7","4","1") = "6"
    & skf21("5","4","3","3","1","7","5","1") = "6"
    & skf21("5","4","3","3","1","7","6","1") = "6"
    & skf21("5","4","3","3","1","7","7","1") = "6"
    & skf21("5","4","3","3","2","1","1","1") = "4"
    & skf21("5","4","3","3","2","1","2","1") = "4"
    & skf21("5","4","3","3","2","1","3","1") = "4"
    & skf21("5","4","3","3","2","1","4","1") = "4"
    & skf21("5","4","3","3","2","1","5","1") = "4"
    & skf21("5","4","3","3","2","1","6","1") = "5"
    & skf21("5","4","3","3","2","1","7","1") = "6"
    & skf21("5","4","3","3","2","2","1","1") = "4"
    & skf21("5","4","3","3","2","2","2","1") = "4"
    & skf21("5","4","3","3","2","2","3","1") = "4"
    & skf21("5","4","3","3","2","2","4","1") = "4"
    & skf21("5","4","3","3","2","2","5","1") = "4"
    & skf21("5","4","3","3","2","2","6","1") = "5"
    & skf21("5","4","3","3","2","2","7","1") = "6"
    & skf21("5","4","3","3","2","3","1","1") = "4"
    & skf21("5","4","3","3","2","3","2","1") = "4"
    & skf21("5","4","3","3","2","3","3","1") = "4"
    & skf21("5","4","3","3","2","3","4","1") = "4"
    & skf21("5","4","3","3","2","3","5","1") = "4"
    & skf21("5","4","3","3","2","3","6","1") = "5"
    & skf21("5","4","3","3","2","3","7","1") = "6"
    & skf21("5","4","3","3","2","4","1","1") = "4"
    & skf21("5","4","3","3","2","4","2","1") = "4"
    & skf21("5","4","3","3","2","4","3","1") = "4"
    & skf21("5","4","3","3","2","4","4","1") = "4"
    & skf21("5","4","3","3","2","4","5","1") = "4"
    & skf21("5","4","3","3","2","4","6","1") = "5"
    & skf21("5","4","3","3","2","4","7","1") = "6"
    & skf21("5","4","3","3","2","5","1","1") = "4"
    & skf21("5","4","3","3","2","5","2","1") = "4"
    & skf21("5","4","3","3","2","5","3","1") = "4"
    & skf21("5","4","3","3","2","5","4","1") = "4"
    & skf21("5","4","3","3","2","5","5","1") = "4"
    & skf21("5","4","3","3","2","5","6","1") = "5"
    & skf21("5","4","3","3","2","5","7","1") = "6"
    & skf21("5","4","3","3","2","6","1","1") = "5"
    & skf21("5","4","3","3","2","6","2","1") = "5"
    & skf21("5","4","3","3","2","6","3","1") = "5"
    & skf21("5","4","3","3","2","6","4","1") = "5"
    & skf21("5","4","3","3","2","6","5","1") = "5"
    & skf21("5","4","3","3","2","6","6","1") = "5"
    & skf21("5","4","3","3","2","6","7","1") = "6"
    & skf21("5","4","3","3","2","7","1","1") = "6"
    & skf21("5","4","3","3","2","7","2","1") = "6"
    & skf21("5","4","3","3","2","7","3","1") = "6"
    & skf21("5","4","3","3","2","7","4","1") = "6"
    & skf21("5","4","3","3","2","7","5","1") = "6"
    & skf21("5","4","3","3","2","7","6","1") = "6"
    & skf21("5","4","3","3","2","7","7","1") = "6"
    & skf21("5","4","3","3","3","1","1","1") = "4"
    & skf21("5","4","3","3","3","1","2","1") = "4"
    & skf21("5","4","3","3","3","1","3","1") = "4"
    & skf21("5","4","3","3","3","1","4","1") = "4"
    & skf21("5","4","3","3","3","1","5","1") = "4"
    & skf21("5","4","3","3","3","1","6","1") = "5"
    & skf21("5","4","3","3","3","1","7","1") = "6"
    & skf21("5","4","3","3","3","2","1","1") = "4"
    & skf21("5","4","3","3","3","2","2","1") = "4"
    & skf21("5","4","3","3","3","2","3","1") = "4"
    & skf21("5","4","3","3","3","2","4","1") = "4"
    & skf21("5","4","3","3","3","2","5","1") = "4"
    & skf21("5","4","3","3","3","2","6","1") = "5"
    & skf21("5","4","3","3","3","2","7","1") = "6"
    & skf21("5","4","3","3","3","3","1","1") = "4"
    & skf21("5","4","3","3","3","3","2","1") = "4"
    & skf21("5","4","3","3","3","3","3","1") = "4"
    & skf21("5","4","3","3","3","3","4","1") = "4"
    & skf21("5","4","3","3","3","3","5","1") = "4"
    & skf21("5","4","3","3","3","3","6","1") = "5"
    & skf21("5","4","3","3","3","3","7","1") = "6"
    & skf21("5","4","3","3","3","4","1","1") = "4"
    & skf21("5","4","3","3","3","4","2","1") = "4"
    & skf21("5","4","3","3","3","4","3","1") = "4"
    & skf21("5","4","3","3","3","4","4","1") = "4"
    & skf21("5","4","3","3","3","4","5","1") = "4"
    & skf21("5","4","3","3","3","4","6","1") = "5"
    & skf21("5","4","3","3","3","4","7","1") = "6"
    & skf21("5","4","3","3","3","5","1","1") = "4"
    & skf21("5","4","3","3","3","5","2","1") = "4"
    & skf21("5","4","3","3","3","5","3","1") = "4"
    & skf21("5","4","3","3","3","5","4","1") = "4"
    & skf21("5","4","3","3","3","5","5","1") = "4"
    & skf21("5","4","3","3","3","5","6","1") = "5"
    & skf21("5","4","3","3","3","5","7","1") = "6"
    & skf21("5","4","3","3","3","6","1","1") = "5"
    & skf21("5","4","3","3","3","6","2","1") = "5"
    & skf21("5","4","3","3","3","6","3","1") = "5"
    & skf21("5","4","3","3","3","6","4","1") = "5"
    & skf21("5","4","3","3","3","6","5","1") = "5"
    & skf21("5","4","3","3","3","6","6","1") = "5"
    & skf21("5","4","3","3","3","6","7","1") = "6"
    & skf21("5","4","3","3","3","7","1","1") = "6"
    & skf21("5","4","3","3","3","7","2","1") = "6"
    & skf21("5","4","3","3","3","7","3","1") = "6"
    & skf21("5","4","3","3","3","7","4","1") = "6"
    & skf21("5","4","3","3","3","7","5","1") = "6"
    & skf21("5","4","3","3","3","7","6","1") = "6"
    & skf21("5","4","3","3","3","7","7","1") = "6"
    & skf21("5","4","3","3","4","1","1","1") = "4"
    & skf21("5","4","3","3","4","1","2","1") = "4"
    & skf21("5","4","3","3","4","1","3","1") = "4"
    & skf21("5","4","3","3","4","1","4","1") = "4"
    & skf21("5","4","3","3","4","1","5","1") = "4"
    & skf21("5","4","3","3","4","1","6","1") = "5"
    & skf21("5","4","3","3","4","1","7","1") = "6"
    & skf21("5","4","3","3","4","2","1","1") = "4"
    & skf21("5","4","3","3","4","2","2","1") = "4"
    & skf21("5","4","3","3","4","2","3","1") = "4"
    & skf21("5","4","3","3","4","2","4","1") = "4"
    & skf21("5","4","3","3","4","2","5","1") = "4"
    & skf21("5","4","3","3","4","2","6","1") = "5"
    & skf21("5","4","3","3","4","2","7","1") = "6"
    & skf21("5","4","3","3","4","3","1","1") = "4"
    & skf21("5","4","3","3","4","3","2","1") = "4"
    & skf21("5","4","3","3","4","3","3","1") = "4"
    & skf21("5","4","3","3","4","3","4","1") = "4"
    & skf21("5","4","3","3","4","3","5","1") = "4"
    & skf21("5","4","3","3","4","3","6","1") = "5"
    & skf21("5","4","3","3","4","3","7","1") = "6"
    & skf21("5","4","3","3","4","4","1","1") = "4"
    & skf21("5","4","3","3","4","4","2","1") = "4"
    & skf21("5","4","3","3","4","4","3","1") = "4"
    & skf21("5","4","3","3","4","4","4","1") = "4"
    & skf21("5","4","3","3","4","4","5","1") = "4"
    & skf21("5","4","3","3","4","4","6","1") = "5"
    & skf21("5","4","3","3","4","4","7","1") = "6"
    & skf21("5","4","3","3","4","5","1","1") = "4"
    & skf21("5","4","3","3","4","5","2","1") = "4"
    & skf21("5","4","3","3","4","5","3","1") = "4"
    & skf21("5","4","3","3","4","5","4","1") = "4"
    & skf21("5","4","3","3","4","5","5","1") = "4"
    & skf21("5","4","3","3","4","5","6","1") = "5"
    & skf21("5","4","3","3","4","5","7","1") = "6"
    & skf21("5","4","3","3","4","6","1","1") = "5"
    & skf21("5","4","3","3","4","6","2","1") = "5"
    & skf21("5","4","3","3","4","6","3","1") = "5"
    & skf21("5","4","3","3","4","6","4","1") = "5"
    & skf21("5","4","3","3","4","6","5","1") = "5"
    & skf21("5","4","3","3","4","6","6","1") = "5"
    & skf21("5","4","3","3","4","6","7","1") = "6"
    & skf21("5","4","3","3","4","7","1","1") = "6"
    & skf21("5","4","3","3","4","7","2","1") = "6"
    & skf21("5","4","3","3","4","7","3","1") = "6"
    & skf21("5","4","3","3","4","7","4","1") = "6"
    & skf21("5","4","3","3","4","7","5","1") = "6"
    & skf21("5","4","3","3","4","7","6","1") = "6"
    & skf21("5","4","3","3","4","7","7","1") = "6"
    & skf21("5","4","3","3","5","1","1","1") = "4"
    & skf21("5","4","3","3","5","1","2","1") = "4"
    & skf21("5","4","3","3","5","1","3","1") = "4"
    & skf21("5","4","3","3","5","1","4","1") = "4"
    & skf21("5","4","3","3","5","1","5","1") = "4"
    & skf21("5","4","3","3","5","1","6","1") = "5"
    & skf21("5","4","3","3","5","1","7","1") = "6"
    & skf21("5","4","3","3","5","2","1","1") = "4"
    & skf21("5","4","3","3","5","2","2","1") = "4"
    & skf21("5","4","3","3","5","2","3","1") = "4"
    & skf21("5","4","3","3","5","2","4","1") = "4"
    & skf21("5","4","3","3","5","2","5","1") = "4"
    & skf21("5","4","3","3","5","2","6","1") = "5"
    & skf21("5","4","3","3","5","2","7","1") = "6"
    & skf21("5","4","3","3","5","3","1","1") = "4"
    & skf21("5","4","3","3","5","3","2","1") = "4"
    & skf21("5","4","3","3","5","3","3","1") = "4"
    & skf21("5","4","3","3","5","3","4","1") = "4"
    & skf21("5","4","3","3","5","3","5","1") = "4"
    & skf21("5","4","3","3","5","3","6","1") = "5"
    & skf21("5","4","3","3","5","3","7","1") = "6"
    & skf21("5","4","3","3","5","4","1","1") = "4"
    & skf21("5","4","3","3","5","4","2","1") = "4"
    & skf21("5","4","3","3","5","4","3","1") = "4"
    & skf21("5","4","3","3","5","4","4","1") = "4"
    & skf21("5","4","3","3","5","4","5","1") = "4"
    & skf21("5","4","3","3","5","4","6","1") = "5"
    & skf21("5","4","3","3","5","4","7","1") = "6"
    & skf21("5","4","3","3","5","5","1","1") = "4"
    & skf21("5","4","3","3","5","5","2","1") = "4"
    & skf21("5","4","3","3","5","5","3","1") = "4"
    & skf21("5","4","3","3","5","5","4","1") = "4"
    & skf21("5","4","3","3","5","5","5","1") = "4"
    & skf21("5","4","3","3","5","5","6","1") = "5"
    & skf21("5","4","3","3","5","5","7","1") = "6"
    & skf21("5","4","3","3","5","6","1","1") = "5"
    & skf21("5","4","3","3","5","6","2","1") = "5"
    & skf21("5","4","3","3","5","6","3","1") = "5"
    & skf21("5","4","3","3","5","6","4","1") = "5"
    & skf21("5","4","3","3","5","6","5","1") = "5"
    & skf21("5","4","3","3","5","6","6","1") = "5"
    & skf21("5","4","3","3","5","6","7","1") = "6"
    & skf21("5","4","3","3","5","7","1","1") = "6"
    & skf21("5","4","3","3","5","7","2","1") = "6"
    & skf21("5","4","3","3","5","7","3","1") = "6"
    & skf21("5","4","3","3","5","7","4","1") = "6"
    & skf21("5","4","3","3","5","7","5","1") = "6"
    & skf21("5","4","3","3","5","7","6","1") = "6"
    & skf21("5","4","3","3","5","7","7","1") = "6"
    & skf21("5","4","3","3","6","1","1","1") = "5"
    & skf21("5","4","3","3","6","1","2","1") = "5"
    & skf21("5","4","3","3","6","1","3","1") = "5"
    & skf21("5","4","3","3","6","1","4","1") = "5"
    & skf21("5","4","3","3","6","1","5","1") = "5"
    & skf21("5","4","3","3","6","1","6","1") = "5"
    & skf21("5","4","3","3","6","1","7","1") = "6"
    & skf21("5","4","3","3","6","2","1","1") = "5"
    & skf21("5","4","3","3","6","2","2","1") = "5"
    & skf21("5","4","3","3","6","2","3","1") = "5"
    & skf21("5","4","3","3","6","2","4","1") = "5"
    & skf21("5","4","3","3","6","2","5","1") = "5"
    & skf21("5","4","3","3","6","2","6","1") = "5"
    & skf21("5","4","3","3","6","2","7","1") = "6"
    & skf21("5","4","3","3","6","3","1","1") = "5"
    & skf21("5","4","3","3","6","3","2","1") = "5"
    & skf21("5","4","3","3","6","3","3","1") = "5"
    & skf21("5","4","3","3","6","3","4","1") = "5"
    & skf21("5","4","3","3","6","3","5","1") = "5"
    & skf21("5","4","3","3","6","3","6","1") = "5"
    & skf21("5","4","3","3","6","3","7","1") = "6"
    & skf21("5","4","3","3","6","4","1","1") = "5"
    & skf21("5","4","3","3","6","4","2","1") = "5"
    & skf21("5","4","3","3","6","4","3","1") = "5"
    & skf21("5","4","3","3","6","4","4","1") = "5"
    & skf21("5","4","3","3","6","4","5","1") = "5"
    & skf21("5","4","3","3","6","4","6","1") = "5"
    & skf21("5","4","3","3","6","4","7","1") = "6"
    & skf21("5","4","3","3","6","5","1","1") = "5"
    & skf21("5","4","3","3","6","5","2","1") = "5"
    & skf21("5","4","3","3","6","5","3","1") = "5"
    & skf21("5","4","3","3","6","5","4","1") = "5"
    & skf21("5","4","3","3","6","5","5","1") = "5"
    & skf21("5","4","3","3","6","5","6","1") = "5"
    & skf21("5","4","3","3","6","5","7","1") = "6"
    & skf21("5","4","3","3","6","6","1","1") = "5"
    & skf21("5","4","3","3","6","6","2","1") = "5"
    & skf21("5","4","3","3","6","6","3","1") = "5"
    & skf21("5","4","3","3","6","6","4","1") = "5"
    & skf21("5","4","3","3","6","6","5","1") = "5"
    & skf21("5","4","3","3","6","6","6","1") = "5"
    & skf21("5","4","3","3","6","6","7","1") = "6"
    & skf21("5","4","3","3","6","7","1","1") = "6"
    & skf21("5","4","3","3","6","7","2","1") = "6"
    & skf21("5","4","3","3","6","7","3","1") = "6"
    & skf21("5","4","3","3","6","7","4","1") = "6"
    & skf21("5","4","3","3","6","7","5","1") = "6"
    & skf21("5","4","3","3","6","7","6","1") = "6"
    & skf21("5","4","3","3","6","7","7","1") = "6"
    & skf21("5","4","3","3","7","1","1","1") = "6"
    & skf21("5","4","3","3","7","1","2","1") = "6"
    & skf21("5","4","3","3","7","1","3","1") = "6"
    & skf21("5","4","3","3","7","1","4","1") = "6"
    & skf21("5","4","3","3","7","1","5","1") = "6"
    & skf21("5","4","3","3","7","1","6","1") = "6"
    & skf21("5","4","3","3","7","1","7","1") = "6"
    & skf21("5","4","3","3","7","2","1","1") = "6"
    & skf21("5","4","3","3","7","2","2","1") = "6"
    & skf21("5","4","3","3","7","2","3","1") = "6"
    & skf21("5","4","3","3","7","2","4","1") = "6"
    & skf21("5","4","3","3","7","2","5","1") = "6"
    & skf21("5","4","3","3","7","2","6","1") = "6"
    & skf21("5","4","3","3","7","2","7","1") = "6"
    & skf21("5","4","3","3","7","3","1","1") = "6"
    & skf21("5","4","3","3","7","3","2","1") = "6"
    & skf21("5","4","3","3","7","3","3","1") = "6"
    & skf21("5","4","3","3","7","3","4","1") = "6"
    & skf21("5","4","3","3","7","3","5","1") = "6"
    & skf21("5","4","3","3","7","3","6","1") = "6"
    & skf21("5","4","3","3","7","3","7","1") = "6"
    & skf21("5","4","3","3","7","4","1","1") = "6"
    & skf21("5","4","3","3","7","4","2","1") = "6"
    & skf21("5","4","3","3","7","4","3","1") = "6"
    & skf21("5","4","3","3","7","4","4","1") = "6"
    & skf21("5","4","3","3","7","4","5","1") = "6"
    & skf21("5","4","3","3","7","4","6","1") = "6"
    & skf21("5","4","3","3","7","4","7","1") = "6"
    & skf21("5","4","3","3","7","5","1","1") = "6"
    & skf21("5","4","3","3","7","5","2","1") = "6"
    & skf21("5","4","3","3","7","5","3","1") = "6"
    & skf21("5","4","3","3","7","5","4","1") = "6"
    & skf21("5","4","3","3","7","5","5","1") = "6"
    & skf21("5","4","3","3","7","5","6","1") = "6"
    & skf21("5","4","3","3","7","5","7","1") = "6"
    & skf21("5","4","3","3","7","6","1","1") = "6"
    & skf21("5","4","3","3","7","6","2","1") = "6"
    & skf21("5","4","3","3","7","6","3","1") = "6"
    & skf21("5","4","3","3","7","6","4","1") = "6"
    & skf21("5","4","3","3","7","6","5","1") = "6"
    & skf21("5","4","3","3","7","6","6","1") = "6"
    & skf21("5","4","3","3","7","6","7","1") = "6"
    & skf21("5","4","3","3","7","7","1","1") = "6"
    & skf21("5","4","3","3","7","7","2","1") = "6"
    & skf21("5","4","3","3","7","7","3","1") = "6"
    & skf21("5","4","3","3","7","7","4","1") = "6"
    & skf21("5","4","3","3","7","7","5","1") = "6"
    & skf21("5","4","3","3","7","7","6","1") = "6"
    & skf21("5","4","3","3","7","7","7","1") = "6"
    & skf21("5","4","3","4","1","1","1","1") = "4"
    & skf21("5","4","3","4","1","1","2","1") = "4"
    & skf21("5","4","3","4","1","1","3","1") = "4"
    & skf21("5","4","3","4","1","1","4","1") = "4"
    & skf21("5","4","3","4","1","1","5","1") = "4"
    & skf21("5","4","3","4","1","1","6","1") = "5"
    & skf21("5","4","3","4","1","1","7","1") = "6"
    & skf21("5","4","3","4","1","2","1","1") = "4"
    & skf21("5","4","3","4","1","2","2","1") = "4"
    & skf21("5","4","3","4","1","2","3","1") = "4"
    & skf21("5","4","3","4","1","2","4","1") = "4"
    & skf21("5","4","3","4","1","2","5","1") = "4"
    & skf21("5","4","3","4","1","2","6","1") = "5"
    & skf21("5","4","3","4","1","2","7","1") = "6"
    & skf21("5","4","3","4","1","3","1","1") = "4"
    & skf21("5","4","3","4","1","3","2","1") = "4"
    & skf21("5","4","3","4","1","3","3","1") = "4"
    & skf21("5","4","3","4","1","3","4","1") = "4"
    & skf21("5","4","3","4","1","3","5","1") = "4"
    & skf21("5","4","3","4","1","3","6","1") = "5"
    & skf21("5","4","3","4","1","3","7","1") = "6"
    & skf21("5","4","3","4","1","4","1","1") = "4"
    & skf21("5","4","3","4","1","4","2","1") = "4"
    & skf21("5","4","3","4","1","4","3","1") = "4"
    & skf21("5","4","3","4","1","4","4","1") = "4"
    & skf21("5","4","3","4","1","4","5","1") = "4"
    & skf21("5","4","3","4","1","4","6","1") = "5"
    & skf21("5","4","3","4","1","4","7","1") = "6"
    & skf21("5","4","3","4","1","5","1","1") = "4"
    & skf21("5","4","3","4","1","5","2","1") = "4"
    & skf21("5","4","3","4","1","5","3","1") = "4"
    & skf21("5","4","3","4","1","5","4","1") = "4"
    & skf21("5","4","3","4","1","5","5","1") = "4"
    & skf21("5","4","3","4","1","5","6","1") = "5"
    & skf21("5","4","3","4","1","5","7","1") = "6"
    & skf21("5","4","3","4","1","6","1","1") = "5"
    & skf21("5","4","3","4","1","6","2","1") = "5"
    & skf21("5","4","3","4","1","6","3","1") = "5"
    & skf21("5","4","3","4","1","6","4","1") = "5"
    & skf21("5","4","3","4","1","6","5","1") = "5"
    & skf21("5","4","3","4","1","6","6","1") = "5"
    & skf21("5","4","3","4","1","6","7","1") = "6"
    & skf21("5","4","3","4","1","7","1","1") = "6"
    & skf21("5","4","3","4","1","7","2","1") = "6"
    & skf21("5","4","3","4","1","7","3","1") = "6"
    & skf21("5","4","3","4","1","7","4","1") = "6"
    & skf21("5","4","3","4","1","7","5","1") = "6"
    & skf21("5","4","3","4","1","7","6","1") = "6"
    & skf21("5","4","3","4","1","7","7","1") = "6"
    & skf21("5","4","3","4","2","1","1","1") = "4"
    & skf21("5","4","3","4","2","1","2","1") = "4"
    & skf21("5","4","3","4","2","1","3","1") = "4"
    & skf21("5","4","3","4","2","1","4","1") = "4"
    & skf21("5","4","3","4","2","1","5","1") = "4"
    & skf21("5","4","3","4","2","1","6","1") = "5"
    & skf21("5","4","3","4","2","1","7","1") = "6"
    & skf21("5","4","3","4","2","2","1","1") = "4"
    & skf21("5","4","3","4","2","2","2","1") = "4"
    & skf21("5","4","3","4","2","2","3","1") = "4"
    & skf21("5","4","3","4","2","2","4","1") = "4"
    & skf21("5","4","3","4","2","2","5","1") = "4"
    & skf21("5","4","3","4","2","2","6","1") = "5"
    & skf21("5","4","3","4","2","2","7","1") = "6"
    & skf21("5","4","3","4","2","3","1","1") = "4"
    & skf21("5","4","3","4","2","3","2","1") = "4"
    & skf21("5","4","3","4","2","3","3","1") = "4"
    & skf21("5","4","3","4","2","3","4","1") = "4"
    & skf21("5","4","3","4","2","3","5","1") = "4"
    & skf21("5","4","3","4","2","3","6","1") = "5"
    & skf21("5","4","3","4","2","3","7","1") = "6"
    & skf21("5","4","3","4","2","4","1","1") = "4"
    & skf21("5","4","3","4","2","4","2","1") = "4"
    & skf21("5","4","3","4","2","4","3","1") = "4"
    & skf21("5","4","3","4","2","4","4","1") = "4"
    & skf21("5","4","3","4","2","4","5","1") = "4"
    & skf21("5","4","3","4","2","4","6","1") = "5"
    & skf21("5","4","3","4","2","4","7","1") = "6"
    & skf21("5","4","3","4","2","5","1","1") = "4"
    & skf21("5","4","3","4","2","5","2","1") = "4"
    & skf21("5","4","3","4","2","5","3","1") = "4"
    & skf21("5","4","3","4","2","5","4","1") = "4"
    & skf21("5","4","3","4","2","5","5","1") = "4"
    & skf21("5","4","3","4","2","5","6","1") = "5"
    & skf21("5","4","3","4","2","5","7","1") = "6"
    & skf21("5","4","3","4","2","6","1","1") = "5"
    & skf21("5","4","3","4","2","6","2","1") = "5"
    & skf21("5","4","3","4","2","6","3","1") = "5"
    & skf21("5","4","3","4","2","6","4","1") = "5"
    & skf21("5","4","3","4","2","6","5","1") = "5"
    & skf21("5","4","3","4","2","6","6","1") = "5"
    & skf21("5","4","3","4","2","6","7","1") = "6"
    & skf21("5","4","3","4","2","7","1","1") = "6"
    & skf21("5","4","3","4","2","7","2","1") = "6"
    & skf21("5","4","3","4","2","7","3","1") = "6"
    & skf21("5","4","3","4","2","7","4","1") = "6"
    & skf21("5","4","3","4","2","7","5","1") = "6"
    & skf21("5","4","3","4","2","7","6","1") = "6"
    & skf21("5","4","3","4","2","7","7","1") = "6"
    & skf21("5","4","3","4","3","1","1","1") = "4"
    & skf21("5","4","3","4","3","1","2","1") = "4"
    & skf21("5","4","3","4","3","1","3","1") = "4"
    & skf21("5","4","3","4","3","1","4","1") = "4"
    & skf21("5","4","3","4","3","1","5","1") = "4"
    & skf21("5","4","3","4","3","1","6","1") = "5"
    & skf21("5","4","3","4","3","1","7","1") = "6"
    & skf21("5","4","3","4","3","2","1","1") = "4"
    & skf21("5","4","3","4","3","2","2","1") = "4"
    & skf21("5","4","3","4","3","2","3","1") = "4"
    & skf21("5","4","3","4","3","2","4","1") = "4"
    & skf21("5","4","3","4","3","2","5","1") = "4"
    & skf21("5","4","3","4","3","2","6","1") = "5"
    & skf21("5","4","3","4","3","2","7","1") = "6"
    & skf21("5","4","3","4","3","3","1","1") = "4"
    & skf21("5","4","3","4","3","3","2","1") = "4"
    & skf21("5","4","3","4","3","3","3","1") = "4"
    & skf21("5","4","3","4","3","3","4","1") = "4"
    & skf21("5","4","3","4","3","3","5","1") = "4"
    & skf21("5","4","3","4","3","3","6","1") = "5"
    & skf21("5","4","3","4","3","3","7","1") = "6"
    & skf21("5","4","3","4","3","4","1","1") = "4"
    & skf21("5","4","3","4","3","4","2","1") = "4"
    & skf21("5","4","3","4","3","4","3","1") = "4"
    & skf21("5","4","3","4","3","4","4","1") = "4"
    & skf21("5","4","3","4","3","4","5","1") = "4"
    & skf21("5","4","3","4","3","4","6","1") = "5"
    & skf21("5","4","3","4","3","4","7","1") = "6"
    & skf21("5","4","3","4","3","5","1","1") = "4"
    & skf21("5","4","3","4","3","5","2","1") = "4"
    & skf21("5","4","3","4","3","5","3","1") = "4"
    & skf21("5","4","3","4","3","5","4","1") = "4"
    & skf21("5","4","3","4","3","5","5","1") = "4"
    & skf21("5","4","3","4","3","5","6","1") = "5"
    & skf21("5","4","3","4","3","5","7","1") = "6"
    & skf21("5","4","3","4","3","6","1","1") = "5"
    & skf21("5","4","3","4","3","6","2","1") = "5"
    & skf21("5","4","3","4","3","6","3","1") = "5"
    & skf21("5","4","3","4","3","6","4","1") = "5"
    & skf21("5","4","3","4","3","6","5","1") = "5"
    & skf21("5","4","3","4","3","6","6","1") = "5"
    & skf21("5","4","3","4","3","6","7","1") = "6"
    & skf21("5","4","3","4","3","7","1","1") = "6"
    & skf21("5","4","3","4","3","7","2","1") = "6"
    & skf21("5","4","3","4","3","7","3","1") = "6"
    & skf21("5","4","3","4","3","7","4","1") = "6"
    & skf21("5","4","3","4","3","7","5","1") = "6"
    & skf21("5","4","3","4","3","7","6","1") = "6"
    & skf21("5","4","3","4","3","7","7","1") = "6"
    & skf21("5","4","3","4","4","1","1","1") = "4"
    & skf21("5","4","3","4","4","1","2","1") = "4"
    & skf21("5","4","3","4","4","1","3","1") = "4"
    & skf21("5","4","3","4","4","1","4","1") = "4"
    & skf21("5","4","3","4","4","1","5","1") = "4"
    & skf21("5","4","3","4","4","1","6","1") = "5"
    & skf21("5","4","3","4","4","1","7","1") = "6"
    & skf21("5","4","3","4","4","2","1","1") = "4"
    & skf21("5","4","3","4","4","2","2","1") = "4"
    & skf21("5","4","3","4","4","2","3","1") = "4"
    & skf21("5","4","3","4","4","2","4","1") = "4"
    & skf21("5","4","3","4","4","2","5","1") = "4"
    & skf21("5","4","3","4","4","2","6","1") = "5"
    & skf21("5","4","3","4","4","2","7","1") = "6"
    & skf21("5","4","3","4","4","3","1","1") = "4"
    & skf21("5","4","3","4","4","3","2","1") = "4"
    & skf21("5","4","3","4","4","3","3","1") = "4"
    & skf21("5","4","3","4","4","3","4","1") = "4"
    & skf21("5","4","3","4","4","3","5","1") = "4"
    & skf21("5","4","3","4","4","3","6","1") = "5"
    & skf21("5","4","3","4","4","3","7","1") = "6"
    & skf21("5","4","3","4","4","4","1","1") = "4"
    & skf21("5","4","3","4","4","4","2","1") = "4"
    & skf21("5","4","3","4","4","4","3","1") = "4"
    & skf21("5","4","3","4","4","4","4","1") = "4"
    & skf21("5","4","3","4","4","4","5","1") = "4"
    & skf21("5","4","3","4","4","4","6","1") = "5"
    & skf21("5","4","3","4","4","4","7","1") = "6"
    & skf21("5","4","3","4","4","5","1","1") = "4"
    & skf21("5","4","3","4","4","5","2","1") = "4"
    & skf21("5","4","3","4","4","5","3","1") = "4"
    & skf21("5","4","3","4","4","5","4","1") = "4"
    & skf21("5","4","3","4","4","5","5","1") = "4"
    & skf21("5","4","3","4","4","5","6","1") = "5"
    & skf21("5","4","3","4","4","5","7","1") = "6"
    & skf21("5","4","3","4","4","6","1","1") = "5"
    & skf21("5","4","3","4","4","6","2","1") = "5"
    & skf21("5","4","3","4","4","6","3","1") = "5"
    & skf21("5","4","3","4","4","6","4","1") = "5"
    & skf21("5","4","3","4","4","6","5","1") = "5"
    & skf21("5","4","3","4","4","6","6","1") = "5"
    & skf21("5","4","3","4","4","6","7","1") = "6"
    & skf21("5","4","3","4","4","7","1","1") = "6"
    & skf21("5","4","3","4","4","7","2","1") = "6"
    & skf21("5","4","3","4","4","7","3","1") = "6"
    & skf21("5","4","3","4","4","7","4","1") = "6"
    & skf21("5","4","3","4","4","7","5","1") = "6"
    & skf21("5","4","3","4","4","7","6","1") = "6"
    & skf21("5","4","3","4","4","7","7","1") = "6"
    & skf21("5","4","3","4","5","1","1","1") = "4"
    & skf21("5","4","3","4","5","1","2","1") = "4"
    & skf21("5","4","3","4","5","1","3","1") = "4"
    & skf21("5","4","3","4","5","1","4","1") = "4"
    & skf21("5","4","3","4","5","1","5","1") = "4"
    & skf21("5","4","3","4","5","1","6","1") = "5"
    & skf21("5","4","3","4","5","1","7","1") = "6"
    & skf21("5","4","3","4","5","2","1","1") = "4"
    & skf21("5","4","3","4","5","2","2","1") = "4"
    & skf21("5","4","3","4","5","2","3","1") = "4"
    & skf21("5","4","3","4","5","2","4","1") = "4"
    & skf21("5","4","3","4","5","2","5","1") = "4"
    & skf21("5","4","3","4","5","2","6","1") = "5"
    & skf21("5","4","3","4","5","2","7","1") = "6"
    & skf21("5","4","3","4","5","3","1","1") = "4"
    & skf21("5","4","3","4","5","3","2","1") = "4"
    & skf21("5","4","3","4","5","3","3","1") = "4"
    & skf21("5","4","3","4","5","3","4","1") = "4"
    & skf21("5","4","3","4","5","3","5","1") = "4"
    & skf21("5","4","3","4","5","3","6","1") = "5"
    & skf21("5","4","3","4","5","3","7","1") = "6"
    & skf21("5","4","3","4","5","4","1","1") = "4"
    & skf21("5","4","3","4","5","4","2","1") = "4"
    & skf21("5","4","3","4","5","4","3","1") = "4"
    & skf21("5","4","3","4","5","4","4","1") = "4"
    & skf21("5","4","3","4","5","4","5","1") = "4"
    & skf21("5","4","3","4","5","4","6","1") = "5"
    & skf21("5","4","3","4","5","4","7","1") = "6"
    & skf21("5","4","3","4","5","5","1","1") = "4"
    & skf21("5","4","3","4","5","5","2","1") = "4"
    & skf21("5","4","3","4","5","5","3","1") = "4"
    & skf21("5","4","3","4","5","5","4","1") = "4"
    & skf21("5","4","3","4","5","5","5","1") = "4"
    & skf21("5","4","3","4","5","5","6","1") = "5"
    & skf21("5","4","3","4","5","5","7","1") = "6"
    & skf21("5","4","3","4","5","6","1","1") = "5"
    & skf21("5","4","3","4","5","6","2","1") = "5"
    & skf21("5","4","3","4","5","6","3","1") = "5"
    & skf21("5","4","3","4","5","6","4","1") = "5"
    & skf21("5","4","3","4","5","6","5","1") = "5"
    & skf21("5","4","3","4","5","6","6","1") = "5"
    & skf21("5","4","3","4","5","6","7","1") = "6"
    & skf21("5","4","3","4","5","7","1","1") = "6"
    & skf21("5","4","3","4","5","7","2","1") = "6"
    & skf21("5","4","3","4","5","7","3","1") = "6"
    & skf21("5","4","3","4","5","7","4","1") = "6"
    & skf21("5","4","3","4","5","7","5","1") = "6"
    & skf21("5","4","3","4","5","7","6","1") = "6"
    & skf21("5","4","3","4","5","7","7","1") = "6"
    & skf21("5","4","3","4","6","1","1","1") = "5"
    & skf21("5","4","3","4","6","1","2","1") = "5"
    & skf21("5","4","3","4","6","1","3","1") = "5"
    & skf21("5","4","3","4","6","1","4","1") = "5"
    & skf21("5","4","3","4","6","1","5","1") = "5"
    & skf21("5","4","3","4","6","1","6","1") = "5"
    & skf21("5","4","3","4","6","1","7","1") = "6"
    & skf21("5","4","3","4","6","2","1","1") = "5"
    & skf21("5","4","3","4","6","2","2","1") = "5"
    & skf21("5","4","3","4","6","2","3","1") = "5"
    & skf21("5","4","3","4","6","2","4","1") = "5"
    & skf21("5","4","3","4","6","2","5","1") = "5"
    & skf21("5","4","3","4","6","2","6","1") = "5"
    & skf21("5","4","3","4","6","2","7","1") = "6"
    & skf21("5","4","3","4","6","3","1","1") = "5"
    & skf21("5","4","3","4","6","3","2","1") = "5"
    & skf21("5","4","3","4","6","3","3","1") = "5"
    & skf21("5","4","3","4","6","3","4","1") = "5"
    & skf21("5","4","3","4","6","3","5","1") = "5"
    & skf21("5","4","3","4","6","3","6","1") = "5"
    & skf21("5","4","3","4","6","3","7","1") = "6"
    & skf21("5","4","3","4","6","4","1","1") = "5"
    & skf21("5","4","3","4","6","4","2","1") = "5"
    & skf21("5","4","3","4","6","4","3","1") = "5"
    & skf21("5","4","3","4","6","4","4","1") = "5"
    & skf21("5","4","3","4","6","4","5","1") = "5"
    & skf21("5","4","3","4","6","4","6","1") = "5"
    & skf21("5","4","3","4","6","4","7","1") = "6"
    & skf21("5","4","3","4","6","5","1","1") = "5"
    & skf21("5","4","3","4","6","5","2","1") = "5"
    & skf21("5","4","3","4","6","5","3","1") = "5"
    & skf21("5","4","3","4","6","5","4","1") = "5"
    & skf21("5","4","3","4","6","5","5","1") = "5"
    & skf21("5","4","3","4","6","5","6","1") = "5"
    & skf21("5","4","3","4","6","5","7","1") = "6"
    & skf21("5","4","3","4","6","6","1","1") = "5"
    & skf21("5","4","3","4","6","6","2","1") = "5"
    & skf21("5","4","3","4","6","6","3","1") = "5"
    & skf21("5","4","3","4","6","6","4","1") = "5"
    & skf21("5","4","3","4","6","6","5","1") = "5"
    & skf21("5","4","3","4","6","6","6","1") = "5"
    & skf21("5","4","3","4","6","6","7","1") = "6"
    & skf21("5","4","3","4","6","7","1","1") = "6"
    & skf21("5","4","3","4","6","7","2","1") = "6"
    & skf21("5","4","3","4","6","7","3","1") = "6"
    & skf21("5","4","3","4","6","7","4","1") = "6"
    & skf21("5","4","3","4","6","7","5","1") = "6"
    & skf21("5","4","3","4","6","7","6","1") = "6"
    & skf21("5","4","3","4","6","7","7","1") = "6"
    & skf21("5","4","3","4","7","1","1","1") = "6"
    & skf21("5","4","3","4","7","1","2","1") = "6"
    & skf21("5","4","3","4","7","1","3","1") = "6"
    & skf21("5","4","3","4","7","1","4","1") = "6"
    & skf21("5","4","3","4","7","1","5","1") = "6"
    & skf21("5","4","3","4","7","1","6","1") = "6"
    & skf21("5","4","3","4","7","1","7","1") = "6"
    & skf21("5","4","3","4","7","2","1","1") = "6"
    & skf21("5","4","3","4","7","2","2","1") = "6"
    & skf21("5","4","3","4","7","2","3","1") = "6"
    & skf21("5","4","3","4","7","2","4","1") = "6"
    & skf21("5","4","3","4","7","2","5","1") = "6"
    & skf21("5","4","3","4","7","2","6","1") = "6"
    & skf21("5","4","3","4","7","2","7","1") = "6"
    & skf21("5","4","3","4","7","3","1","1") = "6"
    & skf21("5","4","3","4","7","3","2","1") = "6"
    & skf21("5","4","3","4","7","3","3","1") = "6"
    & skf21("5","4","3","4","7","3","4","1") = "6"
    & skf21("5","4","3","4","7","3","5","1") = "6"
    & skf21("5","4","3","4","7","3","6","1") = "6"
    & skf21("5","4","3","4","7","3","7","1") = "6"
    & skf21("5","4","3","4","7","4","1","1") = "6"
    & skf21("5","4","3","4","7","4","2","1") = "6"
    & skf21("5","4","3","4","7","4","3","1") = "6"
    & skf21("5","4","3","4","7","4","4","1") = "6"
    & skf21("5","4","3","4","7","4","5","1") = "6"
    & skf21("5","4","3","4","7","4","6","1") = "6"
    & skf21("5","4","3","4","7","4","7","1") = "6"
    & skf21("5","4","3","4","7","5","1","1") = "6"
    & skf21("5","4","3","4","7","5","2","1") = "6"
    & skf21("5","4","3","4","7","5","3","1") = "6"
    & skf21("5","4","3","4","7","5","4","1") = "6"
    & skf21("5","4","3","4","7","5","5","1") = "6"
    & skf21("5","4","3","4","7","5","6","1") = "6"
    & skf21("5","4","3","4","7","5","7","1") = "6"
    & skf21("5","4","3","4","7","6","1","1") = "6"
    & skf21("5","4","3","4","7","6","2","1") = "6"
    & skf21("5","4","3","4","7","6","3","1") = "6"
    & skf21("5","4","3","4","7","6","4","1") = "6"
    & skf21("5","4","3","4","7","6","5","1") = "6"
    & skf21("5","4","3","4","7","6","6","1") = "6"
    & skf21("5","4","3","4","7","6","7","1") = "6"
    & skf21("5","4","3","4","7","7","1","1") = "6"
    & skf21("5","4","3","4","7","7","2","1") = "6"
    & skf21("5","4","3","4","7","7","3","1") = "6"
    & skf21("5","4","3","4","7","7","4","1") = "6"
    & skf21("5","4","3","4","7","7","5","1") = "6"
    & skf21("5","4","3","4","7","7","6","1") = "6"
    & skf21("5","4","3","4","7","7","7","1") = "6"
    & skf21("5","4","3","5","1","1","1","1") = "4"
    & skf21("5","4","3","5","1","1","2","1") = "4"
    & skf21("5","4","3","5","1","1","3","1") = "4"
    & skf21("5","4","3","5","1","1","4","1") = "4"
    & skf21("5","4","3","5","1","1","5","1") = "4"
    & skf21("5","4","3","5","1","1","6","1") = "5"
    & skf21("5","4","3","5","1","1","7","1") = "6"
    & skf21("5","4","3","5","1","2","1","1") = "4"
    & skf21("5","4","3","5","1","2","2","1") = "4"
    & skf21("5","4","3","5","1","2","3","1") = "4"
    & skf21("5","4","3","5","1","2","4","1") = "4"
    & skf21("5","4","3","5","1","2","5","1") = "4"
    & skf21("5","4","3","5","1","2","6","1") = "5"
    & skf21("5","4","3","5","1","2","7","1") = "6"
    & skf21("5","4","3","5","1","3","1","1") = "4"
    & skf21("5","4","3","5","1","3","2","1") = "4"
    & skf21("5","4","3","5","1","3","3","1") = "4"
    & skf21("5","4","3","5","1","3","4","1") = "4"
    & skf21("5","4","3","5","1","3","5","1") = "4"
    & skf21("5","4","3","5","1","3","6","1") = "5"
    & skf21("5","4","3","5","1","3","7","1") = "6"
    & skf21("5","4","3","5","1","4","1","1") = "4"
    & skf21("5","4","3","5","1","4","2","1") = "4"
    & skf21("5","4","3","5","1","4","3","1") = "4"
    & skf21("5","4","3","5","1","4","4","1") = "4"
    & skf21("5","4","3","5","1","4","5","1") = "4"
    & skf21("5","4","3","5","1","4","6","1") = "5"
    & skf21("5","4","3","5","1","4","7","1") = "6"
    & skf21("5","4","3","5","1","5","1","1") = "4"
    & skf21("5","4","3","5","1","5","2","1") = "4"
    & skf21("5","4","3","5","1","5","3","1") = "4"
    & skf21("5","4","3","5","1","5","4","1") = "4"
    & skf21("5","4","3","5","1","5","5","1") = "4"
    & skf21("5","4","3","5","1","5","6","1") = "5"
    & skf21("5","4","3","5","1","5","7","1") = "6"
    & skf21("5","4","3","5","1","6","1","1") = "5"
    & skf21("5","4","3","5","1","6","2","1") = "5"
    & skf21("5","4","3","5","1","6","3","1") = "5"
    & skf21("5","4","3","5","1","6","4","1") = "5"
    & skf21("5","4","3","5","1","6","5","1") = "5"
    & skf21("5","4","3","5","1","6","6","1") = "5"
    & skf21("5","4","3","5","1","6","7","1") = "6"
    & skf21("5","4","3","5","1","7","1","1") = "6"
    & skf21("5","4","3","5","1","7","2","1") = "6"
    & skf21("5","4","3","5","1","7","3","1") = "6"
    & skf21("5","4","3","5","1","7","4","1") = "6"
    & skf21("5","4","3","5","1","7","5","1") = "6"
    & skf21("5","4","3","5","1","7","6","1") = "6"
    & skf21("5","4","3","5","1","7","7","1") = "6"
    & skf21("5","4","3","5","2","1","1","1") = "4"
    & skf21("5","4","3","5","2","1","2","1") = "4"
    & skf21("5","4","3","5","2","1","3","1") = "4"
    & skf21("5","4","3","5","2","1","4","1") = "4"
    & skf21("5","4","3","5","2","1","5","1") = "4"
    & skf21("5","4","3","5","2","1","6","1") = "5"
    & skf21("5","4","3","5","2","1","7","1") = "6"
    & skf21("5","4","3","5","2","2","1","1") = "4"
    & skf21("5","4","3","5","2","2","2","1") = "4"
    & skf21("5","4","3","5","2","2","3","1") = "4"
    & skf21("5","4","3","5","2","2","4","1") = "4"
    & skf21("5","4","3","5","2","2","5","1") = "4"
    & skf21("5","4","3","5","2","2","6","1") = "5"
    & skf21("5","4","3","5","2","2","7","1") = "6"
    & skf21("5","4","3","5","2","3","1","1") = "4"
    & skf21("5","4","3","5","2","3","2","1") = "4"
    & skf21("5","4","3","5","2","3","3","1") = "4"
    & skf21("5","4","3","5","2","3","4","1") = "4"
    & skf21("5","4","3","5","2","3","5","1") = "4"
    & skf21("5","4","3","5","2","3","6","1") = "5"
    & skf21("5","4","3","5","2","3","7","1") = "6"
    & skf21("5","4","3","5","2","4","1","1") = "4"
    & skf21("5","4","3","5","2","4","2","1") = "4"
    & skf21("5","4","3","5","2","4","3","1") = "4"
    & skf21("5","4","3","5","2","4","4","1") = "4"
    & skf21("5","4","3","5","2","4","5","1") = "4"
    & skf21("5","4","3","5","2","4","6","1") = "5"
    & skf21("5","4","3","5","2","4","7","1") = "6"
    & skf21("5","4","3","5","2","5","1","1") = "4"
    & skf21("5","4","3","5","2","5","2","1") = "4"
    & skf21("5","4","3","5","2","5","3","1") = "4"
    & skf21("5","4","3","5","2","5","4","1") = "4"
    & skf21("5","4","3","5","2","5","5","1") = "4"
    & skf21("5","4","3","5","2","5","6","1") = "5"
    & skf21("5","4","3","5","2","5","7","1") = "6"
    & skf21("5","4","3","5","2","6","1","1") = "5"
    & skf21("5","4","3","5","2","6","2","1") = "5"
    & skf21("5","4","3","5","2","6","3","1") = "5"
    & skf21("5","4","3","5","2","6","4","1") = "5"
    & skf21("5","4","3","5","2","6","5","1") = "5"
    & skf21("5","4","3","5","2","6","6","1") = "5"
    & skf21("5","4","3","5","2","6","7","1") = "6"
    & skf21("5","4","3","5","2","7","1","1") = "6"
    & skf21("5","4","3","5","2","7","2","1") = "6"
    & skf21("5","4","3","5","2","7","3","1") = "6"
    & skf21("5","4","3","5","2","7","4","1") = "6"
    & skf21("5","4","3","5","2","7","5","1") = "6"
    & skf21("5","4","3","5","2","7","6","1") = "6"
    & skf21("5","4","3","5","2","7","7","1") = "6"
    & skf21("5","4","3","5","3","1","1","1") = "4"
    & skf21("5","4","3","5","3","1","2","1") = "4"
    & skf21("5","4","3","5","3","1","3","1") = "4"
    & skf21("5","4","3","5","3","1","4","1") = "4"
    & skf21("5","4","3","5","3","1","5","1") = "4"
    & skf21("5","4","3","5","3","1","6","1") = "5"
    & skf21("5","4","3","5","3","1","7","1") = "6"
    & skf21("5","4","3","5","3","2","1","1") = "4"
    & skf21("5","4","3","5","3","2","2","1") = "4"
    & skf21("5","4","3","5","3","2","3","1") = "4"
    & skf21("5","4","3","5","3","2","4","1") = "4"
    & skf21("5","4","3","5","3","2","5","1") = "4"
    & skf21("5","4","3","5","3","2","6","1") = "5"
    & skf21("5","4","3","5","3","2","7","1") = "6"
    & skf21("5","4","3","5","3","3","1","1") = "4"
    & skf21("5","4","3","5","3","3","2","1") = "4"
    & skf21("5","4","3","5","3","3","3","1") = "4"
    & skf21("5","4","3","5","3","3","4","1") = "4"
    & skf21("5","4","3","5","3","3","5","1") = "4"
    & skf21("5","4","3","5","3","3","6","1") = "5"
    & skf21("5","4","3","5","3","3","7","1") = "6"
    & skf21("5","4","3","5","3","4","1","1") = "4"
    & skf21("5","4","3","5","3","4","2","1") = "4"
    & skf21("5","4","3","5","3","4","3","1") = "4"
    & skf21("5","4","3","5","3","4","4","1") = "4"
    & skf21("5","4","3","5","3","4","5","1") = "4"
    & skf21("5","4","3","5","3","4","6","1") = "5"
    & skf21("5","4","3","5","3","4","7","1") = "6"
    & skf21("5","4","3","5","3","5","1","1") = "4"
    & skf21("5","4","3","5","3","5","2","1") = "4"
    & skf21("5","4","3","5","3","5","3","1") = "4"
    & skf21("5","4","3","5","3","5","4","1") = "4"
    & skf21("5","4","3","5","3","5","5","1") = "4"
    & skf21("5","4","3","5","3","5","6","1") = "5"
    & skf21("5","4","3","5","3","5","7","1") = "6"
    & skf21("5","4","3","5","3","6","1","1") = "5"
    & skf21("5","4","3","5","3","6","2","1") = "5"
    & skf21("5","4","3","5","3","6","3","1") = "5"
    & skf21("5","4","3","5","3","6","4","1") = "5"
    & skf21("5","4","3","5","3","6","5","1") = "5"
    & skf21("5","4","3","5","3","6","6","1") = "5"
    & skf21("5","4","3","5","3","6","7","1") = "6"
    & skf21("5","4","3","5","3","7","1","1") = "6"
    & skf21("5","4","3","5","3","7","2","1") = "6"
    & skf21("5","4","3","5","3","7","3","1") = "6"
    & skf21("5","4","3","5","3","7","4","1") = "6"
    & skf21("5","4","3","5","3","7","5","1") = "6"
    & skf21("5","4","3","5","3","7","6","1") = "6"
    & skf21("5","4","3","5","3","7","7","1") = "6"
    & skf21("5","4","3","5","4","1","1","1") = "4"
    & skf21("5","4","3","5","4","1","2","1") = "4"
    & skf21("5","4","3","5","4","1","3","1") = "4"
    & skf21("5","4","3","5","4","1","4","1") = "4"
    & skf21("5","4","3","5","4","1","5","1") = "4"
    & skf21("5","4","3","5","4","1","6","1") = "5"
    & skf21("5","4","3","5","4","1","7","1") = "6"
    & skf21("5","4","3","5","4","2","1","1") = "4"
    & skf21("5","4","3","5","4","2","2","1") = "4"
    & skf21("5","4","3","5","4","2","3","1") = "4"
    & skf21("5","4","3","5","4","2","4","1") = "4"
    & skf21("5","4","3","5","4","2","5","1") = "4"
    & skf21("5","4","3","5","4","2","6","1") = "5"
    & skf21("5","4","3","5","4","2","7","1") = "6"
    & skf21("5","4","3","5","4","3","1","1") = "4"
    & skf21("5","4","3","5","4","3","2","1") = "4"
    & skf21("5","4","3","5","4","3","3","1") = "4"
    & skf21("5","4","3","5","4","3","4","1") = "4"
    & skf21("5","4","3","5","4","3","5","1") = "4"
    & skf21("5","4","3","5","4","3","6","1") = "5"
    & skf21("5","4","3","5","4","3","7","1") = "6"
    & skf21("5","4","3","5","4","4","1","1") = "4"
    & skf21("5","4","3","5","4","4","2","1") = "4"
    & skf21("5","4","3","5","4","4","3","1") = "4"
    & skf21("5","4","3","5","4","4","4","1") = "4"
    & skf21("5","4","3","5","4","4","5","1") = "4"
    & skf21("5","4","3","5","4","4","6","1") = "5"
    & skf21("5","4","3","5","4","4","7","1") = "6"
    & skf21("5","4","3","5","4","5","1","1") = "4"
    & skf21("5","4","3","5","4","5","2","1") = "4"
    & skf21("5","4","3","5","4","5","3","1") = "4"
    & skf21("5","4","3","5","4","5","4","1") = "4"
    & skf21("5","4","3","5","4","5","5","1") = "4"
    & skf21("5","4","3","5","4","5","6","1") = "5"
    & skf21("5","4","3","5","4","5","7","1") = "6"
    & skf21("5","4","3","5","4","6","1","1") = "5"
    & skf21("5","4","3","5","4","6","2","1") = "5"
    & skf21("5","4","3","5","4","6","3","1") = "5"
    & skf21("5","4","3","5","4","6","4","1") = "5"
    & skf21("5","4","3","5","4","6","5","1") = "5"
    & skf21("5","4","3","5","4","6","6","1") = "5"
    & skf21("5","4","3","5","4","6","7","1") = "6"
    & skf21("5","4","3","5","4","7","1","1") = "6"
    & skf21("5","4","3","5","4","7","2","1") = "6"
    & skf21("5","4","3","5","4","7","3","1") = "6"
    & skf21("5","4","3","5","4","7","4","1") = "6"
    & skf21("5","4","3","5","4","7","5","1") = "6"
    & skf21("5","4","3","5","4","7","6","1") = "6"
    & skf21("5","4","3","5","4","7","7","1") = "6"
    & skf21("5","4","3","5","5","1","1","1") = "4"
    & skf21("5","4","3","5","5","1","2","1") = "4"
    & skf21("5","4","3","5","5","1","3","1") = "4"
    & skf21("5","4","3","5","5","1","4","1") = "4"
    & skf21("5","4","3","5","5","1","5","1") = "4"
    & skf21("5","4","3","5","5","1","6","1") = "5"
    & skf21("5","4","3","5","5","1","7","1") = "6"
    & skf21("5","4","3","5","5","2","1","1") = "4"
    & skf21("5","4","3","5","5","2","2","1") = "4"
    & skf21("5","4","3","5","5","2","3","1") = "4"
    & skf21("5","4","3","5","5","2","4","1") = "4"
    & skf21("5","4","3","5","5","2","5","1") = "4"
    & skf21("5","4","3","5","5","2","6","1") = "5"
    & skf21("5","4","3","5","5","2","7","1") = "6"
    & skf21("5","4","3","5","5","3","1","1") = "4"
    & skf21("5","4","3","5","5","3","2","1") = "4"
    & skf21("5","4","3","5","5","3","3","1") = "4"
    & skf21("5","4","3","5","5","3","4","1") = "4"
    & skf21("5","4","3","5","5","3","5","1") = "4"
    & skf21("5","4","3","5","5","3","6","1") = "5"
    & skf21("5","4","3","5","5","3","7","1") = "6"
    & skf21("5","4","3","5","5","4","1","1") = "4"
    & skf21("5","4","3","5","5","4","2","1") = "4"
    & skf21("5","4","3","5","5","4","3","1") = "4"
    & skf21("5","4","3","5","5","4","4","1") = "4"
    & skf21("5","4","3","5","5","4","5","1") = "4"
    & skf21("5","4","3","5","5","4","6","1") = "5"
    & skf21("5","4","3","5","5","4","7","1") = "6"
    & skf21("5","4","3","5","5","5","1","1") = "4"
    & skf21("5","4","3","5","5","5","2","1") = "4"
    & skf21("5","4","3","5","5","5","3","1") = "4"
    & skf21("5","4","3","5","5","5","4","1") = "4"
    & skf21("5","4","3","5","5","5","5","1") = "4"
    & skf21("5","4","3","5","5","5","6","1") = "5"
    & skf21("5","4","3","5","5","5","7","1") = "6"
    & skf21("5","4","3","5","5","6","1","1") = "5"
    & skf21("5","4","3","5","5","6","2","1") = "5"
    & skf21("5","4","3","5","5","6","3","1") = "5"
    & skf21("5","4","3","5","5","6","4","1") = "5"
    & skf21("5","4","3","5","5","6","5","1") = "5"
    & skf21("5","4","3","5","5","6","6","1") = "5"
    & skf21("5","4","3","5","5","6","7","1") = "6"
    & skf21("5","4","3","5","5","7","1","1") = "6"
    & skf21("5","4","3","5","5","7","2","1") = "6"
    & skf21("5","4","3","5","5","7","3","1") = "6"
    & skf21("5","4","3","5","5","7","4","1") = "6"
    & skf21("5","4","3","5","5","7","5","1") = "6"
    & skf21("5","4","3","5","5","7","6","1") = "6"
    & skf21("5","4","3","5","5","7","7","1") = "6"
    & skf21("5","4","3","5","6","1","1","1") = "5"
    & skf21("5","4","3","5","6","1","2","1") = "5"
    & skf21("5","4","3","5","6","1","3","1") = "5"
    & skf21("5","4","3","5","6","1","4","1") = "5"
    & skf21("5","4","3","5","6","1","5","1") = "5"
    & skf21("5","4","3","5","6","1","6","1") = "5"
    & skf21("5","4","3","5","6","1","7","1") = "6"
    & skf21("5","4","3","5","6","2","1","1") = "5"
    & skf21("5","4","3","5","6","2","2","1") = "5"
    & skf21("5","4","3","5","6","2","3","1") = "5"
    & skf21("5","4","3","5","6","2","4","1") = "5"
    & skf21("5","4","3","5","6","2","5","1") = "5"
    & skf21("5","4","3","5","6","2","6","1") = "5"
    & skf21("5","4","3","5","6","2","7","1") = "6"
    & skf21("5","4","3","5","6","3","1","1") = "5"
    & skf21("5","4","3","5","6","3","2","1") = "5"
    & skf21("5","4","3","5","6","3","3","1") = "5"
    & skf21("5","4","3","5","6","3","4","1") = "5"
    & skf21("5","4","3","5","6","3","5","1") = "5"
    & skf21("5","4","3","5","6","3","6","1") = "5"
    & skf21("5","4","3","5","6","3","7","1") = "6"
    & skf21("5","4","3","5","6","4","1","1") = "5"
    & skf21("5","4","3","5","6","4","2","1") = "5"
    & skf21("5","4","3","5","6","4","3","1") = "5"
    & skf21("5","4","3","5","6","4","4","1") = "5"
    & skf21("5","4","3","5","6","4","5","1") = "5"
    & skf21("5","4","3","5","6","4","6","1") = "5"
    & skf21("5","4","3","5","6","4","7","1") = "6"
    & skf21("5","4","3","5","6","5","1","1") = "5"
    & skf21("5","4","3","5","6","5","2","1") = "5"
    & skf21("5","4","3","5","6","5","3","1") = "5"
    & skf21("5","4","3","5","6","5","4","1") = "5"
    & skf21("5","4","3","5","6","5","5","1") = "5"
    & skf21("5","4","3","5","6","5","6","1") = "5"
    & skf21("5","4","3","5","6","5","7","1") = "6"
    & skf21("5","4","3","5","6","6","1","1") = "5"
    & skf21("5","4","3","5","6","6","2","1") = "5"
    & skf21("5","4","3","5","6","6","3","1") = "5"
    & skf21("5","4","3","5","6","6","4","1") = "5"
    & skf21("5","4","3","5","6","6","5","1") = "5"
    & skf21("5","4","3","5","6","6","6","1") = "5"
    & skf21("5","4","3","5","6","6","7","1") = "6"
    & skf21("5","4","3","5","6","7","1","1") = "6"
    & skf21("5","4","3","5","6","7","2","1") = "6"
    & skf21("5","4","3","5","6","7","3","1") = "6"
    & skf21("5","4","3","5","6","7","4","1") = "6"
    & skf21("5","4","3","5","6","7","5","1") = "6"
    & skf21("5","4","3","5","6","7","6","1") = "6"
    & skf21("5","4","3","5","6","7","7","1") = "6"
    & skf21("5","4","3","5","7","1","1","1") = "6"
    & skf21("5","4","3","5","7","1","2","1") = "6"
    & skf21("5","4","3","5","7","1","3","1") = "6"
    & skf21("5","4","3","5","7","1","4","1") = "6"
    & skf21("5","4","3","5","7","1","5","1") = "6"
    & skf21("5","4","3","5","7","1","6","1") = "6"
    & skf21("5","4","3","5","7","1","7","1") = "6"
    & skf21("5","4","3","5","7","2","1","1") = "6"
    & skf21("5","4","3","5","7","2","2","1") = "6"
    & skf21("5","4","3","5","7","2","3","1") = "6"
    & skf21("5","4","3","5","7","2","4","1") = "6"
    & skf21("5","4","3","5","7","2","5","1") = "6"
    & skf21("5","4","3","5","7","2","6","1") = "6"
    & skf21("5","4","3","5","7","2","7","1") = "6"
    & skf21("5","4","3","5","7","3","1","1") = "6"
    & skf21("5","4","3","5","7","3","2","1") = "6"
    & skf21("5","4","3","5","7","3","3","1") = "6"
    & skf21("5","4","3","5","7","3","4","1") = "6"
    & skf21("5","4","3","5","7","3","5","1") = "6"
    & skf21("5","4","3","5","7","3","6","1") = "6"
    & skf21("5","4","3","5","7","3","7","1") = "6"
    & skf21("5","4","3","5","7","4","1","1") = "6"
    & skf21("5","4","3","5","7","4","2","1") = "6"
    & skf21("5","4","3","5","7","4","3","1") = "6"
    & skf21("5","4","3","5","7","4","4","1") = "6"
    & skf21("5","4","3","5","7","4","5","1") = "6"
    & skf21("5","4","3","5","7","4","6","1") = "6"
    & skf21("5","4","3","5","7","4","7","1") = "6"
    & skf21("5","4","3","5","7","5","1","1") = "6"
    & skf21("5","4","3","5","7","5","2","1") = "6"
    & skf21("5","4","3","5","7","5","3","1") = "6"
    & skf21("5","4","3","5","7","5","4","1") = "6"
    & skf21("5","4","3","5","7","5","5","1") = "6"
    & skf21("5","4","3","5","7","5","6","1") = "6"
    & skf21("5","4","3","5","7","5","7","1") = "6"
    & skf21("5","4","3","5","7","6","1","1") = "6"
    & skf21("5","4","3","5","7","6","2","1") = "6"
    & skf21("5","4","3","5","7","6","3","1") = "6"
    & skf21("5","4","3","5","7","6","4","1") = "6"
    & skf21("5","4","3","5","7","6","5","1") = "6"
    & skf21("5","4","3","5","7","6","6","1") = "6"
    & skf21("5","4","3","5","7","6","7","1") = "6"
    & skf21("5","4","3","5","7","7","1","1") = "6"
    & skf21("5","4","3","5","7","7","2","1") = "6"
    & skf21("5","4","3","5","7","7","3","1") = "6"
    & skf21("5","4","3","5","7","7","4","1") = "6"
    & skf21("5","4","3","5","7","7","5","1") = "6"
    & skf21("5","4","3","5","7","7","6","1") = "6"
    & skf21("5","4","3","5","7","7","7","1") = "6"
    & skf21("5","4","3","6","1","1","1","1") = "5"
    & skf21("5","4","3","6","1","1","2","1") = "5"
    & skf21("5","4","3","6","1","1","3","1") = "5"
    & skf21("5","4","3","6","1","1","4","1") = "5"
    & skf21("5","4","3","6","1","1","5","1") = "5"
    & skf21("5","4","3","6","1","1","6","1") = "5"
    & skf21("5","4","3","6","1","1","7","1") = "6"
    & skf21("5","4","3","6","1","2","1","1") = "5"
    & skf21("5","4","3","6","1","2","2","1") = "5"
    & skf21("5","4","3","6","1","2","3","1") = "5"
    & skf21("5","4","3","6","1","2","4","1") = "5"
    & skf21("5","4","3","6","1","2","5","1") = "5"
    & skf21("5","4","3","6","1","2","6","1") = "5"
    & skf21("5","4","3","6","1","2","7","1") = "6"
    & skf21("5","4","3","6","1","3","1","1") = "5"
    & skf21("5","4","3","6","1","3","2","1") = "5"
    & skf21("5","4","3","6","1","3","3","1") = "5"
    & skf21("5","4","3","6","1","3","4","1") = "5"
    & skf21("5","4","3","6","1","3","5","1") = "5"
    & skf21("5","4","3","6","1","3","6","1") = "5"
    & skf21("5","4","3","6","1","3","7","1") = "6"
    & skf21("5","4","3","6","1","4","1","1") = "5"
    & skf21("5","4","3","6","1","4","2","1") = "5"
    & skf21("5","4","3","6","1","4","3","1") = "5"
    & skf21("5","4","3","6","1","4","4","1") = "5"
    & skf21("5","4","3","6","1","4","5","1") = "5"
    & skf21("5","4","3","6","1","4","6","1") = "5"
    & skf21("5","4","3","6","1","4","7","1") = "6"
    & skf21("5","4","3","6","1","5","1","1") = "5"
    & skf21("5","4","3","6","1","5","2","1") = "5"
    & skf21("5","4","3","6","1","5","3","1") = "5"
    & skf21("5","4","3","6","1","5","4","1") = "5"
    & skf21("5","4","3","6","1","5","5","1") = "5"
    & skf21("5","4","3","6","1","5","6","1") = "5"
    & skf21("5","4","3","6","1","5","7","1") = "6"
    & skf21("5","4","3","6","1","6","1","1") = "5"
    & skf21("5","4","3","6","1","6","2","1") = "5"
    & skf21("5","4","3","6","1","6","3","1") = "5"
    & skf21("5","4","3","6","1","6","4","1") = "5"
    & skf21("5","4","3","6","1","6","5","1") = "5"
    & skf21("5","4","3","6","1","6","6","1") = "5"
    & skf21("5","4","3","6","1","6","7","1") = "6"
    & skf21("5","4","3","6","1","7","1","1") = "6"
    & skf21("5","4","3","6","1","7","2","1") = "6"
    & skf21("5","4","3","6","1","7","3","1") = "6"
    & skf21("5","4","3","6","1","7","4","1") = "6"
    & skf21("5","4","3","6","1","7","5","1") = "6"
    & skf21("5","4","3","6","1","7","6","1") = "6"
    & skf21("5","4","3","6","1","7","7","1") = "6"
    & skf21("5","4","3","6","2","1","1","1") = "5"
    & skf21("5","4","3","6","2","1","2","1") = "5"
    & skf21("5","4","3","6","2","1","3","1") = "5"
    & skf21("5","4","3","6","2","1","4","1") = "5"
    & skf21("5","4","3","6","2","1","5","1") = "5"
    & skf21("5","4","3","6","2","1","6","1") = "5"
    & skf21("5","4","3","6","2","1","7","1") = "6"
    & skf21("5","4","3","6","2","2","1","1") = "5"
    & skf21("5","4","3","6","2","2","2","1") = "5"
    & skf21("5","4","3","6","2","2","3","1") = "5"
    & skf21("5","4","3","6","2","2","4","1") = "5"
    & skf21("5","4","3","6","2","2","5","1") = "5"
    & skf21("5","4","3","6","2","2","6","1") = "5"
    & skf21("5","4","3","6","2","2","7","1") = "6"
    & skf21("5","4","3","6","2","3","1","1") = "5"
    & skf21("5","4","3","6","2","3","2","1") = "5"
    & skf21("5","4","3","6","2","3","3","1") = "5"
    & skf21("5","4","3","6","2","3","4","1") = "5"
    & skf21("5","4","3","6","2","3","5","1") = "5"
    & skf21("5","4","3","6","2","3","6","1") = "5"
    & skf21("5","4","3","6","2","3","7","1") = "6"
    & skf21("5","4","3","6","2","4","1","1") = "5"
    & skf21("5","4","3","6","2","4","2","1") = "5"
    & skf21("5","4","3","6","2","4","3","1") = "5"
    & skf21("5","4","3","6","2","4","4","1") = "5"
    & skf21("5","4","3","6","2","4","5","1") = "5"
    & skf21("5","4","3","6","2","4","6","1") = "5"
    & skf21("5","4","3","6","2","4","7","1") = "6"
    & skf21("5","4","3","6","2","5","1","1") = "5"
    & skf21("5","4","3","6","2","5","2","1") = "5"
    & skf21("5","4","3","6","2","5","3","1") = "5"
    & skf21("5","4","3","6","2","5","4","1") = "5"
    & skf21("5","4","3","6","2","5","5","1") = "5"
    & skf21("5","4","3","6","2","5","6","1") = "5"
    & skf21("5","4","3","6","2","5","7","1") = "6"
    & skf21("5","4","3","6","2","6","1","1") = "5"
    & skf21("5","4","3","6","2","6","2","1") = "5"
    & skf21("5","4","3","6","2","6","3","1") = "5"
    & skf21("5","4","3","6","2","6","4","1") = "5"
    & skf21("5","4","3","6","2","6","5","1") = "5"
    & skf21("5","4","3","6","2","6","6","1") = "5"
    & skf21("5","4","3","6","2","6","7","1") = "6"
    & skf21("5","4","3","6","2","7","1","1") = "6"
    & skf21("5","4","3","6","2","7","2","1") = "6"
    & skf21("5","4","3","6","2","7","3","1") = "6"
    & skf21("5","4","3","6","2","7","4","1") = "6"
    & skf21("5","4","3","6","2","7","5","1") = "6"
    & skf21("5","4","3","6","2","7","6","1") = "6"
    & skf21("5","4","3","6","2","7","7","1") = "6"
    & skf21("5","4","3","6","3","1","1","1") = "5"
    & skf21("5","4","3","6","3","1","2","1") = "5"
    & skf21("5","4","3","6","3","1","3","1") = "5"
    & skf21("5","4","3","6","3","1","4","1") = "5"
    & skf21("5","4","3","6","3","1","5","1") = "5"
    & skf21("5","4","3","6","3","1","6","1") = "5"
    & skf21("5","4","3","6","3","1","7","1") = "6"
    & skf21("5","4","3","6","3","2","1","1") = "5"
    & skf21("5","4","3","6","3","2","2","1") = "5"
    & skf21("5","4","3","6","3","2","3","1") = "5"
    & skf21("5","4","3","6","3","2","4","1") = "5"
    & skf21("5","4","3","6","3","2","5","1") = "5"
    & skf21("5","4","3","6","3","2","6","1") = "5"
    & skf21("5","4","3","6","3","2","7","1") = "6"
    & skf21("5","4","3","6","3","3","1","1") = "5"
    & skf21("5","4","3","6","3","3","2","1") = "5"
    & skf21("5","4","3","6","3","3","3","1") = "5"
    & skf21("5","4","3","6","3","3","4","1") = "5"
    & skf21("5","4","3","6","3","3","5","1") = "5"
    & skf21("5","4","3","6","3","3","6","1") = "5"
    & skf21("5","4","3","6","3","3","7","1") = "6"
    & skf21("5","4","3","6","3","4","1","1") = "5"
    & skf21("5","4","3","6","3","4","2","1") = "5"
    & skf21("5","4","3","6","3","4","3","1") = "5"
    & skf21("5","4","3","6","3","4","4","1") = "5"
    & skf21("5","4","3","6","3","4","5","1") = "5"
    & skf21("5","4","3","6","3","4","6","1") = "5"
    & skf21("5","4","3","6","3","4","7","1") = "6"
    & skf21("5","4","3","6","3","5","1","1") = "5"
    & skf21("5","4","3","6","3","5","2","1") = "5"
    & skf21("5","4","3","6","3","5","3","1") = "5"
    & skf21("5","4","3","6","3","5","4","1") = "5"
    & skf21("5","4","3","6","3","5","5","1") = "5"
    & skf21("5","4","3","6","3","5","6","1") = "5"
    & skf21("5","4","3","6","3","5","7","1") = "6"
    & skf21("5","4","3","6","3","6","1","1") = "5"
    & skf21("5","4","3","6","3","6","2","1") = "5"
    & skf21("5","4","3","6","3","6","3","1") = "5"
    & skf21("5","4","3","6","3","6","4","1") = "5"
    & skf21("5","4","3","6","3","6","5","1") = "5"
    & skf21("5","4","3","6","3","6","6","1") = "5"
    & skf21("5","4","3","6","3","6","7","1") = "6"
    & skf21("5","4","3","6","3","7","1","1") = "6"
    & skf21("5","4","3","6","3","7","2","1") = "6"
    & skf21("5","4","3","6","3","7","3","1") = "6"
    & skf21("5","4","3","6","3","7","4","1") = "6"
    & skf21("5","4","3","6","3","7","5","1") = "6"
    & skf21("5","4","3","6","3","7","6","1") = "6"
    & skf21("5","4","3","6","3","7","7","1") = "6"
    & skf21("5","4","3","6","4","1","1","1") = "5"
    & skf21("5","4","3","6","4","1","2","1") = "5"
    & skf21("5","4","3","6","4","1","3","1") = "5"
    & skf21("5","4","3","6","4","1","4","1") = "5"
    & skf21("5","4","3","6","4","1","5","1") = "5"
    & skf21("5","4","3","6","4","1","6","1") = "5"
    & skf21("5","4","3","6","4","1","7","1") = "6"
    & skf21("5","4","3","6","4","2","1","1") = "5"
    & skf21("5","4","3","6","4","2","2","1") = "5"
    & skf21("5","4","3","6","4","2","3","1") = "5"
    & skf21("5","4","3","6","4","2","4","1") = "5"
    & skf21("5","4","3","6","4","2","5","1") = "5"
    & skf21("5","4","3","6","4","2","6","1") = "5"
    & skf21("5","4","3","6","4","2","7","1") = "6"
    & skf21("5","4","3","6","4","3","1","1") = "5"
    & skf21("5","4","3","6","4","3","2","1") = "5"
    & skf21("5","4","3","6","4","3","3","1") = "5"
    & skf21("5","4","3","6","4","3","4","1") = "5"
    & skf21("5","4","3","6","4","3","5","1") = "5"
    & skf21("5","4","3","6","4","3","6","1") = "5"
    & skf21("5","4","3","6","4","3","7","1") = "6"
    & skf21("5","4","3","6","4","4","1","1") = "5"
    & skf21("5","4","3","6","4","4","2","1") = "5"
    & skf21("5","4","3","6","4","4","3","1") = "5"
    & skf21("5","4","3","6","4","4","4","1") = "5"
    & skf21("5","4","3","6","4","4","5","1") = "5"
    & skf21("5","4","3","6","4","4","6","1") = "5"
    & skf21("5","4","3","6","4","4","7","1") = "6"
    & skf21("5","4","3","6","4","5","1","1") = "5"
    & skf21("5","4","3","6","4","5","2","1") = "5"
    & skf21("5","4","3","6","4","5","3","1") = "5"
    & skf21("5","4","3","6","4","5","4","1") = "5"
    & skf21("5","4","3","6","4","5","5","1") = "5"
    & skf21("5","4","3","6","4","5","6","1") = "5"
    & skf21("5","4","3","6","4","5","7","1") = "6"
    & skf21("5","4","3","6","4","6","1","1") = "5"
    & skf21("5","4","3","6","4","6","2","1") = "5"
    & skf21("5","4","3","6","4","6","3","1") = "5"
    & skf21("5","4","3","6","4","6","4","1") = "5"
    & skf21("5","4","3","6","4","6","5","1") = "5"
    & skf21("5","4","3","6","4","6","6","1") = "5"
    & skf21("5","4","3","6","4","6","7","1") = "6"
    & skf21("5","4","3","6","4","7","1","1") = "6"
    & skf21("5","4","3","6","4","7","2","1") = "6"
    & skf21("5","4","3","6","4","7","3","1") = "6"
    & skf21("5","4","3","6","4","7","4","1") = "6"
    & skf21("5","4","3","6","4","7","5","1") = "6"
    & skf21("5","4","3","6","4","7","6","1") = "6"
    & skf21("5","4","3","6","4","7","7","1") = "6"
    & skf21("5","4","3","6","5","1","1","1") = "5"
    & skf21("5","4","3","6","5","1","2","1") = "5"
    & skf21("5","4","3","6","5","1","3","1") = "5"
    & skf21("5","4","3","6","5","1","4","1") = "5"
    & skf21("5","4","3","6","5","1","5","1") = "5"
    & skf21("5","4","3","6","5","1","6","1") = "5"
    & skf21("5","4","3","6","5","1","7","1") = "6"
    & skf21("5","4","3","6","5","2","1","1") = "5"
    & skf21("5","4","3","6","5","2","2","1") = "5"
    & skf21("5","4","3","6","5","2","3","1") = "5"
    & skf21("5","4","3","6","5","2","4","1") = "5"
    & skf21("5","4","3","6","5","2","5","1") = "5"
    & skf21("5","4","3","6","5","2","6","1") = "5"
    & skf21("5","4","3","6","5","2","7","1") = "6"
    & skf21("5","4","3","6","5","3","1","1") = "5"
    & skf21("5","4","3","6","5","3","2","1") = "5"
    & skf21("5","4","3","6","5","3","3","1") = "5"
    & skf21("5","4","3","6","5","3","4","1") = "5"
    & skf21("5","4","3","6","5","3","5","1") = "5"
    & skf21("5","4","3","6","5","3","6","1") = "5"
    & skf21("5","4","3","6","5","3","7","1") = "6"
    & skf21("5","4","3","6","5","4","1","1") = "5"
    & skf21("5","4","3","6","5","4","2","1") = "5"
    & skf21("5","4","3","6","5","4","3","1") = "5"
    & skf21("5","4","3","6","5","4","4","1") = "5"
    & skf21("5","4","3","6","5","4","5","1") = "5"
    & skf21("5","4","3","6","5","4","6","1") = "5"
    & skf21("5","4","3","6","5","4","7","1") = "6"
    & skf21("5","4","3","6","5","5","1","1") = "5"
    & skf21("5","4","3","6","5","5","2","1") = "5"
    & skf21("5","4","3","6","5","5","3","1") = "5"
    & skf21("5","4","3","6","5","5","4","1") = "5"
    & skf21("5","4","3","6","5","5","5","1") = "5"
    & skf21("5","4","3","6","5","5","6","1") = "5"
    & skf21("5","4","3","6","5","5","7","1") = "6"
    & skf21("5","4","3","6","5","6","1","1") = "5"
    & skf21("5","4","3","6","5","6","2","1") = "5"
    & skf21("5","4","3","6","5","6","3","1") = "5"
    & skf21("5","4","3","6","5","6","4","1") = "5"
    & skf21("5","4","3","6","5","6","5","1") = "5"
    & skf21("5","4","3","6","5","6","6","1") = "5"
    & skf21("5","4","3","6","5","6","7","1") = "6"
    & skf21("5","4","3","6","5","7","1","1") = "6"
    & skf21("5","4","3","6","5","7","2","1") = "6"
    & skf21("5","4","3","6","5","7","3","1") = "6"
    & skf21("5","4","3","6","5","7","4","1") = "6"
    & skf21("5","4","3","6","5","7","5","1") = "6"
    & skf21("5","4","3","6","5","7","6","1") = "6"
    & skf21("5","4","3","6","5","7","7","1") = "6"
    & skf21("5","4","3","6","6","1","1","1") = "5"
    & skf21("5","4","3","6","6","1","2","1") = "5"
    & skf21("5","4","3","6","6","1","3","1") = "5"
    & skf21("5","4","3","6","6","1","4","1") = "5"
    & skf21("5","4","3","6","6","1","5","1") = "5"
    & skf21("5","4","3","6","6","1","6","1") = "5"
    & skf21("5","4","3","6","6","1","7","1") = "6"
    & skf21("5","4","3","6","6","2","1","1") = "5"
    & skf21("5","4","3","6","6","2","2","1") = "5"
    & skf21("5","4","3","6","6","2","3","1") = "5"
    & skf21("5","4","3","6","6","2","4","1") = "5"
    & skf21("5","4","3","6","6","2","5","1") = "5"
    & skf21("5","4","3","6","6","2","6","1") = "5"
    & skf21("5","4","3","6","6","2","7","1") = "6"
    & skf21("5","4","3","6","6","3","1","1") = "5"
    & skf21("5","4","3","6","6","3","2","1") = "5"
    & skf21("5","4","3","6","6","3","3","1") = "5"
    & skf21("5","4","3","6","6","3","4","1") = "5"
    & skf21("5","4","3","6","6","3","5","1") = "5"
    & skf21("5","4","3","6","6","3","6","1") = "5"
    & skf21("5","4","3","6","6","3","7","1") = "6"
    & skf21("5","4","3","6","6","4","1","1") = "5"
    & skf21("5","4","3","6","6","4","2","1") = "5"
    & skf21("5","4","3","6","6","4","3","1") = "5"
    & skf21("5","4","3","6","6","4","4","1") = "5"
    & skf21("5","4","3","6","6","4","5","1") = "5"
    & skf21("5","4","3","6","6","4","6","1") = "5"
    & skf21("5","4","3","6","6","4","7","1") = "6"
    & skf21("5","4","3","6","6","5","1","1") = "5"
    & skf21("5","4","3","6","6","5","2","1") = "5"
    & skf21("5","4","3","6","6","5","3","1") = "5"
    & skf21("5","4","3","6","6","5","4","1") = "5"
    & skf21("5","4","3","6","6","5","5","1") = "5"
    & skf21("5","4","3","6","6","5","6","1") = "5"
    & skf21("5","4","3","6","6","5","7","1") = "6"
    & skf21("5","4","3","6","6","6","1","1") = "5"
    & skf21("5","4","3","6","6","6","2","1") = "5"
    & skf21("5","4","3","6","6","6","3","1") = "5"
    & skf21("5","4","3","6","6","6","4","1") = "5"
    & skf21("5","4","3","6","6","6","5","1") = "5"
    & skf21("5","4","3","6","6","6","6","1") = "5"
    & skf21("5","4","3","6","6","6","7","1") = "6"
    & skf21("5","4","3","6","6","7","1","1") = "6"
    & skf21("5","4","3","6","6","7","2","1") = "6"
    & skf21("5","4","3","6","6","7","3","1") = "6"
    & skf21("5","4","3","6","6","7","4","1") = "6"
    & skf21("5","4","3","6","6","7","5","1") = "6"
    & skf21("5","4","3","6","6","7","6","1") = "6"
    & skf21("5","4","3","6","6","7","7","1") = "6"
    & skf21("5","4","3","6","7","1","1","1") = "6"
    & skf21("5","4","3","6","7","1","2","1") = "6"
    & skf21("5","4","3","6","7","1","3","1") = "6"
    & skf21("5","4","3","6","7","1","4","1") = "6"
    & skf21("5","4","3","6","7","1","5","1") = "6"
    & skf21("5","4","3","6","7","1","6","1") = "6"
    & skf21("5","4","3","6","7","1","7","1") = "6"
    & skf21("5","4","3","6","7","2","1","1") = "6"
    & skf21("5","4","3","6","7","2","2","1") = "6"
    & skf21("5","4","3","6","7","2","3","1") = "6"
    & skf21("5","4","3","6","7","2","4","1") = "6"
    & skf21("5","4","3","6","7","2","5","1") = "6"
    & skf21("5","4","3","6","7","2","6","1") = "6"
    & skf21("5","4","3","6","7","2","7","1") = "6"
    & skf21("5","4","3","6","7","3","1","1") = "6"
    & skf21("5","4","3","6","7","3","2","1") = "6"
    & skf21("5","4","3","6","7","3","3","1") = "6"
    & skf21("5","4","3","6","7","3","4","1") = "6"
    & skf21("5","4","3","6","7","3","5","1") = "6"
    & skf21("5","4","3","6","7","3","6","1") = "6"
    & skf21("5","4","3","6","7","3","7","1") = "6"
    & skf21("5","4","3","6","7","4","1","1") = "6"
    & skf21("5","4","3","6","7","4","2","1") = "6"
    & skf21("5","4","3","6","7","4","3","1") = "6"
    & skf21("5","4","3","6","7","4","4","1") = "6"
    & skf21("5","4","3","6","7","4","5","1") = "6"
    & skf21("5","4","3","6","7","4","6","1") = "6"
    & skf21("5","4","3","6","7","4","7","1") = "6"
    & skf21("5","4","3","6","7","5","1","1") = "6"
    & skf21("5","4","3","6","7","5","2","1") = "6"
    & skf21("5","4","3","6","7","5","3","1") = "6"
    & skf21("5","4","3","6","7","5","4","1") = "6"
    & skf21("5","4","3","6","7","5","5","1") = "6"
    & skf21("5","4","3","6","7","5","6","1") = "6"
    & skf21("5","4","3","6","7","5","7","1") = "6"
    & skf21("5","4","3","6","7","6","1","1") = "6"
    & skf21("5","4","3","6","7","6","2","1") = "6"
    & skf21("5","4","3","6","7","6","3","1") = "6"
    & skf21("5","4","3","6","7","6","4","1") = "6"
    & skf21("5","4","3","6","7","6","5","1") = "6"
    & skf21("5","4","3","6","7","6","6","1") = "6"
    & skf21("5","4","3","6","7","6","7","1") = "6"
    & skf21("5","4","3","6","7","7","1","1") = "6"
    & skf21("5","4","3","6","7","7","2","1") = "6"
    & skf21("5","4","3","6","7","7","3","1") = "6"
    & skf21("5","4","3","6","7","7","4","1") = "6"
    & skf21("5","4","3","6","7","7","5","1") = "6"
    & skf21("5","4","3","6","7","7","6","1") = "6"
    & skf21("5","4","3","6","7","7","7","1") = "6"
    & skf21("5","4","3","7","1","1","1","1") = "6"
    & skf21("5","4","3","7","1","1","2","1") = "6"
    & skf21("5","4","3","7","1","1","3","1") = "6"
    & skf21("5","4","3","7","1","1","4","1") = "6"
    & skf21("5","4","3","7","1","1","5","1") = "6"
    & skf21("5","4","3","7","1","1","6","1") = "6"
    & skf21("5","4","3","7","1","1","7","1") = "6"
    & skf21("5","4","3","7","1","2","1","1") = "6"
    & skf21("5","4","3","7","1","2","2","1") = "6"
    & skf21("5","4","3","7","1","2","3","1") = "6"
    & skf21("5","4","3","7","1","2","4","1") = "6"
    & skf21("5","4","3","7","1","2","5","1") = "6"
    & skf21("5","4","3","7","1","2","6","1") = "6"
    & skf21("5","4","3","7","1","2","7","1") = "6"
    & skf21("5","4","3","7","1","3","1","1") = "6"
    & skf21("5","4","3","7","1","3","2","1") = "6"
    & skf21("5","4","3","7","1","3","3","1") = "6"
    & skf21("5","4","3","7","1","3","4","1") = "6"
    & skf21("5","4","3","7","1","3","5","1") = "6"
    & skf21("5","4","3","7","1","3","6","1") = "6"
    & skf21("5","4","3","7","1","3","7","1") = "6"
    & skf21("5","4","3","7","1","4","1","1") = "6"
    & skf21("5","4","3","7","1","4","2","1") = "6"
    & skf21("5","4","3","7","1","4","3","1") = "6"
    & skf21("5","4","3","7","1","4","4","1") = "6"
    & skf21("5","4","3","7","1","4","5","1") = "6"
    & skf21("5","4","3","7","1","4","6","1") = "6"
    & skf21("5","4","3","7","1","4","7","1") = "6"
    & skf21("5","4","3","7","1","5","1","1") = "6"
    & skf21("5","4","3","7","1","5","2","1") = "6"
    & skf21("5","4","3","7","1","5","3","1") = "6"
    & skf21("5","4","3","7","1","5","4","1") = "6"
    & skf21("5","4","3","7","1","5","5","1") = "6"
    & skf21("5","4","3","7","1","5","6","1") = "6"
    & skf21("5","4","3","7","1","5","7","1") = "6"
    & skf21("5","4","3","7","1","6","1","1") = "6"
    & skf21("5","4","3","7","1","6","2","1") = "6"
    & skf21("5","4","3","7","1","6","3","1") = "6"
    & skf21("5","4","3","7","1","6","4","1") = "6"
    & skf21("5","4","3","7","1","6","5","1") = "6"
    & skf21("5","4","3","7","1","6","6","1") = "6"
    & skf21("5","4","3","7","1","6","7","1") = "6"
    & skf21("5","4","3","7","1","7","1","1") = "6"
    & skf21("5","4","3","7","1","7","2","1") = "6"
    & skf21("5","4","3","7","1","7","3","1") = "6"
    & skf21("5","4","3","7","1","7","4","1") = "6"
    & skf21("5","4","3","7","1","7","5","1") = "6"
    & skf21("5","4","3","7","1","7","6","1") = "6"
    & skf21("5","4","3","7","1","7","7","1") = "6"
    & skf21("5","4","3","7","2","1","1","1") = "6"
    & skf21("5","4","3","7","2","1","2","1") = "6"
    & skf21("5","4","3","7","2","1","3","1") = "6"
    & skf21("5","4","3","7","2","1","4","1") = "6"
    & skf21("5","4","3","7","2","1","5","1") = "6"
    & skf21("5","4","3","7","2","1","6","1") = "6"
    & skf21("5","4","3","7","2","1","7","1") = "6"
    & skf21("5","4","3","7","2","2","1","1") = "6"
    & skf21("5","4","3","7","2","2","2","1") = "6"
    & skf21("5","4","3","7","2","2","3","1") = "6"
    & skf21("5","4","3","7","2","2","4","1") = "6"
    & skf21("5","4","3","7","2","2","5","1") = "6"
    & skf21("5","4","3","7","2","2","6","1") = "6"
    & skf21("5","4","3","7","2","2","7","1") = "6"
    & skf21("5","4","3","7","2","3","1","1") = "6"
    & skf21("5","4","3","7","2","3","2","1") = "6"
    & skf21("5","4","3","7","2","3","3","1") = "6"
    & skf21("5","4","3","7","2","3","4","1") = "6"
    & skf21("5","4","3","7","2","3","5","1") = "6"
    & skf21("5","4","3","7","2","3","6","1") = "6"
    & skf21("5","4","3","7","2","3","7","1") = "6"
    & skf21("5","4","3","7","2","4","1","1") = "6"
    & skf21("5","4","3","7","2","4","2","1") = "6"
    & skf21("5","4","3","7","2","4","3","1") = "6"
    & skf21("5","4","3","7","2","4","4","1") = "6"
    & skf21("5","4","3","7","2","4","5","1") = "6"
    & skf21("5","4","3","7","2","4","6","1") = "6"
    & skf21("5","4","3","7","2","4","7","1") = "6"
    & skf21("5","4","3","7","2","5","1","1") = "6"
    & skf21("5","4","3","7","2","5","2","1") = "6"
    & skf21("5","4","3","7","2","5","3","1") = "6"
    & skf21("5","4","3","7","2","5","4","1") = "6"
    & skf21("5","4","3","7","2","5","5","1") = "6"
    & skf21("5","4","3","7","2","5","6","1") = "6"
    & skf21("5","4","3","7","2","5","7","1") = "6"
    & skf21("5","4","3","7","2","6","1","1") = "6"
    & skf21("5","4","3","7","2","6","2","1") = "6"
    & skf21("5","4","3","7","2","6","3","1") = "6"
    & skf21("5","4","3","7","2","6","4","1") = "6"
    & skf21("5","4","3","7","2","6","5","1") = "6"
    & skf21("5","4","3","7","2","6","6","1") = "6"
    & skf21("5","4","3","7","2","6","7","1") = "6"
    & skf21("5","4","3","7","2","7","1","1") = "6"
    & skf21("5","4","3","7","2","7","2","1") = "6"
    & skf21("5","4","3","7","2","7","3","1") = "6"
    & skf21("5","4","3","7","2","7","4","1") = "6"
    & skf21("5","4","3","7","2","7","5","1") = "6"
    & skf21("5","4","3","7","2","7","6","1") = "6"
    & skf21("5","4","3","7","2","7","7","1") = "6"
    & skf21("5","4","3","7","3","1","1","1") = "6"
    & skf21("5","4","3","7","3","1","2","1") = "6"
    & skf21("5","4","3","7","3","1","3","1") = "6"
    & skf21("5","4","3","7","3","1","4","1") = "6"
    & skf21("5","4","3","7","3","1","5","1") = "6"
    & skf21("5","4","3","7","3","1","6","1") = "6"
    & skf21("5","4","3","7","3","1","7","1") = "6"
    & skf21("5","4","3","7","3","2","1","1") = "6"
    & skf21("5","4","3","7","3","2","2","1") = "6"
    & skf21("5","4","3","7","3","2","3","1") = "6"
    & skf21("5","4","3","7","3","2","4","1") = "6"
    & skf21("5","4","3","7","3","2","5","1") = "6"
    & skf21("5","4","3","7","3","2","6","1") = "6"
    & skf21("5","4","3","7","3","2","7","1") = "6"
    & skf21("5","4","3","7","3","3","1","1") = "6"
    & skf21("5","4","3","7","3","3","2","1") = "6"
    & skf21("5","4","3","7","3","3","3","1") = "6"
    & skf21("5","4","3","7","3","3","4","1") = "6"
    & skf21("5","4","3","7","3","3","5","1") = "6"
    & skf21("5","4","3","7","3","3","6","1") = "6"
    & skf21("5","4","3","7","3","3","7","1") = "6"
    & skf21("5","4","3","7","3","4","1","1") = "6"
    & skf21("5","4","3","7","3","4","2","1") = "6"
    & skf21("5","4","3","7","3","4","3","1") = "6"
    & skf21("5","4","3","7","3","4","4","1") = "6"
    & skf21("5","4","3","7","3","4","5","1") = "6"
    & skf21("5","4","3","7","3","4","6","1") = "6"
    & skf21("5","4","3","7","3","4","7","1") = "6"
    & skf21("5","4","3","7","3","5","1","1") = "6"
    & skf21("5","4","3","7","3","5","2","1") = "6"
    & skf21("5","4","3","7","3","5","3","1") = "6"
    & skf21("5","4","3","7","3","5","4","1") = "6"
    & skf21("5","4","3","7","3","5","5","1") = "6"
    & skf21("5","4","3","7","3","5","6","1") = "6"
    & skf21("5","4","3","7","3","5","7","1") = "6"
    & skf21("5","4","3","7","3","6","1","1") = "6"
    & skf21("5","4","3","7","3","6","2","1") = "6"
    & skf21("5","4","3","7","3","6","3","1") = "6"
    & skf21("5","4","3","7","3","6","4","1") = "6"
    & skf21("5","4","3","7","3","6","5","1") = "6"
    & skf21("5","4","3","7","3","6","6","1") = "6"
    & skf21("5","4","3","7","3","6","7","1") = "6"
    & skf21("5","4","3","7","3","7","1","1") = "6"
    & skf21("5","4","3","7","3","7","2","1") = "6"
    & skf21("5","4","3","7","3","7","3","1") = "6"
    & skf21("5","4","3","7","3","7","4","1") = "6"
    & skf21("5","4","3","7","3","7","5","1") = "6"
    & skf21("5","4","3","7","3","7","6","1") = "6"
    & skf21("5","4","3","7","3","7","7","1") = "6"
    & skf21("5","4","3","7","4","1","1","1") = "6"
    & skf21("5","4","3","7","4","1","2","1") = "6"
    & skf21("5","4","3","7","4","1","3","1") = "6"
    & skf21("5","4","3","7","4","1","4","1") = "6"
    & skf21("5","4","3","7","4","1","5","1") = "6"
    & skf21("5","4","3","7","4","1","6","1") = "6"
    & skf21("5","4","3","7","4","1","7","1") = "6"
    & skf21("5","4","3","7","4","2","1","1") = "6"
    & skf21("5","4","3","7","4","2","2","1") = "6"
    & skf21("5","4","3","7","4","2","3","1") = "6"
    & skf21("5","4","3","7","4","2","4","1") = "6"
    & skf21("5","4","3","7","4","2","5","1") = "6"
    & skf21("5","4","3","7","4","2","6","1") = "6"
    & skf21("5","4","3","7","4","2","7","1") = "6"
    & skf21("5","4","3","7","4","3","1","1") = "6"
    & skf21("5","4","3","7","4","3","2","1") = "6"
    & skf21("5","4","3","7","4","3","3","1") = "6"
    & skf21("5","4","3","7","4","3","4","1") = "6"
    & skf21("5","4","3","7","4","3","5","1") = "6"
    & skf21("5","4","3","7","4","3","6","1") = "6"
    & skf21("5","4","3","7","4","3","7","1") = "6"
    & skf21("5","4","3","7","4","4","1","1") = "6"
    & skf21("5","4","3","7","4","4","2","1") = "6"
    & skf21("5","4","3","7","4","4","3","1") = "6"
    & skf21("5","4","3","7","4","4","4","1") = "6"
    & skf21("5","4","3","7","4","4","5","1") = "6"
    & skf21("5","4","3","7","4","4","6","1") = "6"
    & skf21("5","4","3","7","4","4","7","1") = "6"
    & skf21("5","4","3","7","4","5","1","1") = "6"
    & skf21("5","4","3","7","4","5","2","1") = "6"
    & skf21("5","4","3","7","4","5","3","1") = "6"
    & skf21("5","4","3","7","4","5","4","1") = "6"
    & skf21("5","4","3","7","4","5","5","1") = "6"
    & skf21("5","4","3","7","4","5","6","1") = "6"
    & skf21("5","4","3","7","4","5","7","1") = "6"
    & skf21("5","4","3","7","4","6","1","1") = "6"
    & skf21("5","4","3","7","4","6","2","1") = "6"
    & skf21("5","4","3","7","4","6","3","1") = "6"
    & skf21("5","4","3","7","4","6","4","1") = "6"
    & skf21("5","4","3","7","4","6","5","1") = "6"
    & skf21("5","4","3","7","4","6","6","1") = "6"
    & skf21("5","4","3","7","4","6","7","1") = "6"
    & skf21("5","4","3","7","4","7","1","1") = "6"
    & skf21("5","4","3","7","4","7","2","1") = "6"
    & skf21("5","4","3","7","4","7","3","1") = "6"
    & skf21("5","4","3","7","4","7","4","1") = "6"
    & skf21("5","4","3","7","4","7","5","1") = "6"
    & skf21("5","4","3","7","4","7","6","1") = "6"
    & skf21("5","4","3","7","4","7","7","1") = "6"
    & skf21("5","4","3","7","5","1","1","1") = "6"
    & skf21("5","4","3","7","5","1","2","1") = "6"
    & skf21("5","4","3","7","5","1","3","1") = "6"
    & skf21("5","4","3","7","5","1","4","1") = "6"
    & skf21("5","4","3","7","5","1","5","1") = "6"
    & skf21("5","4","3","7","5","1","6","1") = "6"
    & skf21("5","4","3","7","5","1","7","1") = "6"
    & skf21("5","4","3","7","5","2","1","1") = "6"
    & skf21("5","4","3","7","5","2","2","1") = "6"
    & skf21("5","4","3","7","5","2","3","1") = "6"
    & skf21("5","4","3","7","5","2","4","1") = "6"
    & skf21("5","4","3","7","5","2","5","1") = "6"
    & skf21("5","4","3","7","5","2","6","1") = "6"
    & skf21("5","4","3","7","5","2","7","1") = "6"
    & skf21("5","4","3","7","5","3","1","1") = "6"
    & skf21("5","4","3","7","5","3","2","1") = "6"
    & skf21("5","4","3","7","5","3","3","1") = "6"
    & skf21("5","4","3","7","5","3","4","1") = "6"
    & skf21("5","4","3","7","5","3","5","1") = "6"
    & skf21("5","4","3","7","5","3","6","1") = "6"
    & skf21("5","4","3","7","5","3","7","1") = "6"
    & skf21("5","4","3","7","5","4","1","1") = "6"
    & skf21("5","4","3","7","5","4","2","1") = "6"
    & skf21("5","4","3","7","5","4","3","1") = "6"
    & skf21("5","4","3","7","5","4","4","1") = "6"
    & skf21("5","4","3","7","5","4","5","1") = "6"
    & skf21("5","4","3","7","5","4","6","1") = "6"
    & skf21("5","4","3","7","5","4","7","1") = "6"
    & skf21("5","4","3","7","5","5","1","1") = "6"
    & skf21("5","4","3","7","5","5","2","1") = "6"
    & skf21("5","4","3","7","5","5","3","1") = "6"
    & skf21("5","4","3","7","5","5","4","1") = "6"
    & skf21("5","4","3","7","5","5","5","1") = "6"
    & skf21("5","4","3","7","5","5","6","1") = "6"
    & skf21("5","4","3","7","5","5","7","1") = "6"
    & skf21("5","4","3","7","5","6","1","1") = "6"
    & skf21("5","4","3","7","5","6","2","1") = "6"
    & skf21("5","4","3","7","5","6","3","1") = "6"
    & skf21("5","4","3","7","5","6","4","1") = "6"
    & skf21("5","4","3","7","5","6","5","1") = "6"
    & skf21("5","4","3","7","5","6","6","1") = "6"
    & skf21("5","4","3","7","5","6","7","1") = "6"
    & skf21("5","4","3","7","5","7","1","1") = "6"
    & skf21("5","4","3","7","5","7","2","1") = "6"
    & skf21("5","4","3","7","5","7","3","1") = "6"
    & skf21("5","4","3","7","5","7","4","1") = "6"
    & skf21("5","4","3","7","5","7","5","1") = "6"
    & skf21("5","4","3","7","5","7","6","1") = "6"
    & skf21("5","4","3","7","5","7","7","1") = "6"
    & skf21("5","4","3","7","6","1","1","1") = "6"
    & skf21("5","4","3","7","6","1","2","1") = "6"
    & skf21("5","4","3","7","6","1","3","1") = "6"
    & skf21("5","4","3","7","6","1","4","1") = "6"
    & skf21("5","4","3","7","6","1","5","1") = "6"
    & skf21("5","4","3","7","6","1","6","1") = "6"
    & skf21("5","4","3","7","6","1","7","1") = "6"
    & skf21("5","4","3","7","6","2","1","1") = "6"
    & skf21("5","4","3","7","6","2","2","1") = "6"
    & skf21("5","4","3","7","6","2","3","1") = "6"
    & skf21("5","4","3","7","6","2","4","1") = "6"
    & skf21("5","4","3","7","6","2","5","1") = "6"
    & skf21("5","4","3","7","6","2","6","1") = "6"
    & skf21("5","4","3","7","6","2","7","1") = "6"
    & skf21("5","4","3","7","6","3","1","1") = "6"
    & skf21("5","4","3","7","6","3","2","1") = "6"
    & skf21("5","4","3","7","6","3","3","1") = "6"
    & skf21("5","4","3","7","6","3","4","1") = "6"
    & skf21("5","4","3","7","6","3","5","1") = "6"
    & skf21("5","4","3","7","6","3","6","1") = "6"
    & skf21("5","4","3","7","6","3","7","1") = "6"
    & skf21("5","4","3","7","6","4","1","1") = "6"
    & skf21("5","4","3","7","6","4","2","1") = "6"
    & skf21("5","4","3","7","6","4","3","1") = "6"
    & skf21("5","4","3","7","6","4","4","1") = "6"
    & skf21("5","4","3","7","6","4","5","1") = "6"
    & skf21("5","4","3","7","6","4","6","1") = "6"
    & skf21("5","4","3","7","6","4","7","1") = "6"
    & skf21("5","4","3","7","6","5","1","1") = "6"
    & skf21("5","4","3","7","6","5","2","1") = "6"
    & skf21("5","4","3","7","6","5","3","1") = "6"
    & skf21("5","4","3","7","6","5","4","1") = "6"
    & skf21("5","4","3","7","6","5","5","1") = "6"
    & skf21("5","4","3","7","6","5","6","1") = "6"
    & skf21("5","4","3","7","6","5","7","1") = "6"
    & skf21("5","4","3","7","6","6","1","1") = "6"
    & skf21("5","4","3","7","6","6","2","1") = "6"
    & skf21("5","4","3","7","6","6","3","1") = "6"
    & skf21("5","4","3","7","6","6","4","1") = "6"
    & skf21("5","4","3","7","6","6","5","1") = "6"
    & skf21("5","4","3","7","6","6","6","1") = "6"
    & skf21("5","4","3","7","6","6","7","1") = "6"
    & skf21("5","4","3","7","6","7","1","1") = "6"
    & skf21("5","4","3","7","6","7","2","1") = "6"
    & skf21("5","4","3","7","6","7","3","1") = "6"
    & skf21("5","4","3","7","6","7","4","1") = "6"
    & skf21("5","4","3","7","6","7","5","1") = "6"
    & skf21("5","4","3","7","6","7","6","1") = "6"
    & skf21("5","4","3","7","6","7","7","1") = "6"
    & skf21("5","4","3","7","7","1","1","1") = "6"
    & skf21("5","4","3","7","7","1","2","1") = "6"
    & skf21("5","4","3","7","7","1","3","1") = "6"
    & skf21("5","4","3","7","7","1","4","1") = "6"
    & skf21("5","4","3","7","7","1","5","1") = "6"
    & skf21("5","4","3","7","7","1","6","1") = "6"
    & skf21("5","4","3","7","7","1","7","1") = "6"
    & skf21("5","4","3","7","7","2","1","1") = "6"
    & skf21("5","4","3","7","7","2","2","1") = "6"
    & skf21("5","4","3","7","7","2","3","1") = "6"
    & skf21("5","4","3","7","7","2","4","1") = "6"
    & skf21("5","4","3","7","7","2","5","1") = "6"
    & skf21("5","4","3","7","7","2","6","1") = "6"
    & skf21("5","4","3","7","7","2","7","1") = "6"
    & skf21("5","4","3","7","7","3","1","1") = "6"
    & skf21("5","4","3","7","7","3","2","1") = "6"
    & skf21("5","4","3","7","7","3","3","1") = "6"
    & skf21("5","4","3","7","7","3","4","1") = "6"
    & skf21("5","4","3","7","7","3","5","1") = "6"
    & skf21("5","4","3","7","7","3","6","1") = "6"
    & skf21("5","4","3","7","7","3","7","1") = "6"
    & skf21("5","4","3","7","7","4","1","1") = "6"
    & skf21("5","4","3","7","7","4","2","1") = "6"
    & skf21("5","4","3","7","7","4","3","1") = "6"
    & skf21("5","4","3","7","7","4","4","1") = "6"
    & skf21("5","4","3","7","7","4","5","1") = "6"
    & skf21("5","4","3","7","7","4","6","1") = "6"
    & skf21("5","4","3","7","7","4","7","1") = "6"
    & skf21("5","4","3","7","7","5","1","1") = "6"
    & skf21("5","4","3","7","7","5","2","1") = "6"
    & skf21("5","4","3","7","7","5","3","1") = "6"
    & skf21("5","4","3","7","7","5","4","1") = "6"
    & skf21("5","4","3","7","7","5","5","1") = "6"
    & skf21("5","4","3","7","7","5","6","1") = "6"
    & skf21("5","4","3","7","7","5","7","1") = "6"
    & skf21("5","4","3","7","7","6","1","1") = "6"
    & skf21("5","4","3","7","7","6","2","1") = "6"
    & skf21("5","4","3","7","7","6","3","1") = "6"
    & skf21("5","4","3","7","7","6","4","1") = "6"
    & skf21("5","4","3","7","7","6","5","1") = "6"
    & skf21("5","4","3","7","7","6","6","1") = "6"
    & skf21("5","4","3","7","7","6","7","1") = "6"
    & skf21("5","4","3","7","7","7","1","1") = "6"
    & skf21("5","4","3","7","7","7","2","1") = "6"
    & skf21("5","4","3","7","7","7","3","1") = "6"
    & skf21("5","4","3","7","7","7","4","1") = "6"
    & skf21("5","4","3","7","7","7","5","1") = "6"
    & skf21("5","4","3","7","7","7","6","1") = "6"
    & skf21("5","4","3","7","7","7","7","1") = "6"
    & skf21("5","4","4","1","1","1","1","1") = "4"
    & skf21("5","4","4","1","1","1","2","1") = "4"
    & skf21("5","4","4","1","1","1","3","1") = "4"
    & skf21("5","4","4","1","1","1","4","1") = "4"
    & skf21("5","4","4","1","1","1","5","1") = "4"
    & skf21("5","4","4","1","1","1","6","1") = "5"
    & skf21("5","4","4","1","1","1","7","1") = "6"
    & skf21("5","4","4","1","1","2","1","1") = "4"
    & skf21("5","4","4","1","1","2","2","1") = "4"
    & skf21("5","4","4","1","1","2","3","1") = "4"
    & skf21("5","4","4","1","1","2","4","1") = "4"
    & skf21("5","4","4","1","1","2","5","1") = "4"
    & skf21("5","4","4","1","1","2","6","1") = "5"
    & skf21("5","4","4","1","1","2","7","1") = "6"
    & skf21("5","4","4","1","1","3","1","1") = "4"
    & skf21("5","4","4","1","1","3","2","1") = "4"
    & skf21("5","4","4","1","1","3","3","1") = "4"
    & skf21("5","4","4","1","1","3","4","1") = "4"
    & skf21("5","4","4","1","1","3","5","1") = "4"
    & skf21("5","4","4","1","1","3","6","1") = "5"
    & skf21("5","4","4","1","1","3","7","1") = "6"
    & skf21("5","4","4","1","1","4","1","1") = "4"
    & skf21("5","4","4","1","1","4","2","1") = "4"
    & skf21("5","4","4","1","1","4","3","1") = "4"
    & skf21("5","4","4","1","1","4","4","1") = "4"
    & skf21("5","4","4","1","1","4","5","1") = "4"
    & skf21("5","4","4","1","1","4","6","1") = "5"
    & skf21("5","4","4","1","1","4","7","1") = "6"
    & skf21("5","4","4","1","1","5","1","1") = "4"
    & skf21("5","4","4","1","1","5","2","1") = "4"
    & skf21("5","4","4","1","1","5","3","1") = "4"
    & skf21("5","4","4","1","1","5","4","1") = "4"
    & skf21("5","4","4","1","1","5","5","1") = "4"
    & skf21("5","4","4","1","1","5","6","1") = "5"
    & skf21("5","4","4","1","1","5","7","1") = "6"
    & skf21("5","4","4","1","1","6","1","1") = "5"
    & skf21("5","4","4","1","1","6","2","1") = "5"
    & skf21("5","4","4","1","1","6","3","1") = "5"
    & skf21("5","4","4","1","1","6","4","1") = "5"
    & skf21("5","4","4","1","1","6","5","1") = "5"
    & skf21("5","4","4","1","1","6","6","1") = "5"
    & skf21("5","4","4","1","1","6","7","1") = "6"
    & skf21("5","4","4","1","1","7","1","1") = "6"
    & skf21("5","4","4","1","1","7","2","1") = "6"
    & skf21("5","4","4","1","1","7","3","1") = "6"
    & skf21("5","4","4","1","1","7","4","1") = "6"
    & skf21("5","4","4","1","1","7","5","1") = "6"
    & skf21("5","4","4","1","1","7","6","1") = "6"
    & skf21("5","4","4","1","1","7","7","1") = "6"
    & skf21("5","4","4","1","2","1","1","1") = "4"
    & skf21("5","4","4","1","2","1","2","1") = "4"
    & skf21("5","4","4","1","2","1","3","1") = "4"
    & skf21("5","4","4","1","2","1","4","1") = "4"
    & skf21("5","4","4","1","2","1","5","1") = "4"
    & skf21("5","4","4","1","2","1","6","1") = "5"
    & skf21("5","4","4","1","2","1","7","1") = "6"
    & skf21("5","4","4","1","2","2","1","1") = "4"
    & skf21("5","4","4","1","2","2","2","1") = "4"
    & skf21("5","4","4","1","2","2","3","1") = "4"
    & skf21("5","4","4","1","2","2","4","1") = "4"
    & skf21("5","4","4","1","2","2","5","1") = "4"
    & skf21("5","4","4","1","2","2","6","1") = "5"
    & skf21("5","4","4","1","2","2","7","1") = "6"
    & skf21("5","4","4","1","2","3","1","1") = "4"
    & skf21("5","4","4","1","2","3","2","1") = "4"
    & skf21("5","4","4","1","2","3","3","1") = "4"
    & skf21("5","4","4","1","2","3","4","1") = "4"
    & skf21("5","4","4","1","2","3","5","1") = "4"
    & skf21("5","4","4","1","2","3","6","1") = "5"
    & skf21("5","4","4","1","2","3","7","1") = "6"
    & skf21("5","4","4","1","2","4","1","1") = "4"
    & skf21("5","4","4","1","2","4","2","1") = "4"
    & skf21("5","4","4","1","2","4","3","1") = "4"
    & skf21("5","4","4","1","2","4","4","1") = "4"
    & skf21("5","4","4","1","2","4","5","1") = "4"
    & skf21("5","4","4","1","2","4","6","1") = "5"
    & skf21("5","4","4","1","2","4","7","1") = "6"
    & skf21("5","4","4","1","2","5","1","1") = "4"
    & skf21("5","4","4","1","2","5","2","1") = "4"
    & skf21("5","4","4","1","2","5","3","1") = "4"
    & skf21("5","4","4","1","2","5","4","1") = "4"
    & skf21("5","4","4","1","2","5","5","1") = "4"
    & skf21("5","4","4","1","2","5","6","1") = "5"
    & skf21("5","4","4","1","2","5","7","1") = "6"
    & skf21("5","4","4","1","2","6","1","1") = "5"
    & skf21("5","4","4","1","2","6","2","1") = "5"
    & skf21("5","4","4","1","2","6","3","1") = "5"
    & skf21("5","4","4","1","2","6","4","1") = "5"
    & skf21("5","4","4","1","2","6","5","1") = "5"
    & skf21("5","4","4","1","2","6","6","1") = "5"
    & skf21("5","4","4","1","2","6","7","1") = "6"
    & skf21("5","4","4","1","2","7","1","1") = "6"
    & skf21("5","4","4","1","2","7","2","1") = "6"
    & skf21("5","4","4","1","2","7","3","1") = "6"
    & skf21("5","4","4","1","2","7","4","1") = "6"
    & skf21("5","4","4","1","2","7","5","1") = "6"
    & skf21("5","4","4","1","2","7","6","1") = "6"
    & skf21("5","4","4","1","2","7","7","1") = "6"
    & skf21("5","4","4","1","3","1","1","1") = "4"
    & skf21("5","4","4","1","3","1","2","1") = "4"
    & skf21("5","4","4","1","3","1","3","1") = "4"
    & skf21("5","4","4","1","3","1","4","1") = "4"
    & skf21("5","4","4","1","3","1","5","1") = "4"
    & skf21("5","4","4","1","3","1","6","1") = "5"
    & skf21("5","4","4","1","3","1","7","1") = "6"
    & skf21("5","4","4","1","3","2","1","1") = "4"
    & skf21("5","4","4","1","3","2","2","1") = "4"
    & skf21("5","4","4","1","3","2","3","1") = "4"
    & skf21("5","4","4","1","3","2","4","1") = "4"
    & skf21("5","4","4","1","3","2","5","1") = "4"
    & skf21("5","4","4","1","3","2","6","1") = "5"
    & skf21("5","4","4","1","3","2","7","1") = "6"
    & skf21("5","4","4","1","3","3","1","1") = "4"
    & skf21("5","4","4","1","3","3","2","1") = "4"
    & skf21("5","4","4","1","3","3","3","1") = "4"
    & skf21("5","4","4","1","3","3","4","1") = "4"
    & skf21("5","4","4","1","3","3","5","1") = "4"
    & skf21("5","4","4","1","3","3","6","1") = "5"
    & skf21("5","4","4","1","3","3","7","1") = "6"
    & skf21("5","4","4","1","3","4","1","1") = "4"
    & skf21("5","4","4","1","3","4","2","1") = "4"
    & skf21("5","4","4","1","3","4","3","1") = "4"
    & skf21("5","4","4","1","3","4","4","1") = "4"
    & skf21("5","4","4","1","3","4","5","1") = "4"
    & skf21("5","4","4","1","3","4","6","1") = "5"
    & skf21("5","4","4","1","3","4","7","1") = "6"
    & skf21("5","4","4","1","3","5","1","1") = "4"
    & skf21("5","4","4","1","3","5","2","1") = "4"
    & skf21("5","4","4","1","3","5","3","1") = "4"
    & skf21("5","4","4","1","3","5","4","1") = "4"
    & skf21("5","4","4","1","3","5","5","1") = "4"
    & skf21("5","4","4","1","3","5","6","1") = "5"
    & skf21("5","4","4","1","3","5","7","1") = "6"
    & skf21("5","4","4","1","3","6","1","1") = "5"
    & skf21("5","4","4","1","3","6","2","1") = "5"
    & skf21("5","4","4","1","3","6","3","1") = "5"
    & skf21("5","4","4","1","3","6","4","1") = "5"
    & skf21("5","4","4","1","3","6","5","1") = "5"
    & skf21("5","4","4","1","3","6","6","1") = "5"
    & skf21("5","4","4","1","3","6","7","1") = "6"
    & skf21("5","4","4","1","3","7","1","1") = "6"
    & skf21("5","4","4","1","3","7","2","1") = "6"
    & skf21("5","4","4","1","3","7","3","1") = "6"
    & skf21("5","4","4","1","3","7","4","1") = "6"
    & skf21("5","4","4","1","3","7","5","1") = "6"
    & skf21("5","4","4","1","3","7","6","1") = "6"
    & skf21("5","4","4","1","3","7","7","1") = "6"
    & skf21("5","4","4","1","4","1","1","1") = "4"
    & skf21("5","4","4","1","4","1","2","1") = "4"
    & skf21("5","4","4","1","4","1","3","1") = "4"
    & skf21("5","4","4","1","4","1","4","1") = "4"
    & skf21("5","4","4","1","4","1","5","1") = "4"
    & skf21("5","4","4","1","4","1","6","1") = "5"
    & skf21("5","4","4","1","4","1","7","1") = "6"
    & skf21("5","4","4","1","4","2","1","1") = "4"
    & skf21("5","4","4","1","4","2","2","1") = "4"
    & skf21("5","4","4","1","4","2","3","1") = "4"
    & skf21("5","4","4","1","4","2","4","1") = "4"
    & skf21("5","4","4","1","4","2","5","1") = "4"
    & skf21("5","4","4","1","4","2","6","1") = "5"
    & skf21("5","4","4","1","4","2","7","1") = "6"
    & skf21("5","4","4","1","4","3","1","1") = "4"
    & skf21("5","4","4","1","4","3","2","1") = "4"
    & skf21("5","4","4","1","4","3","3","1") = "4"
    & skf21("5","4","4","1","4","3","4","1") = "4"
    & skf21("5","4","4","1","4","3","5","1") = "4"
    & skf21("5","4","4","1","4","3","6","1") = "5"
    & skf21("5","4","4","1","4","3","7","1") = "6"
    & skf21("5","4","4","1","4","4","1","1") = "4"
    & skf21("5","4","4","1","4","4","2","1") = "4"
    & skf21("5","4","4","1","4","4","3","1") = "4"
    & skf21("5","4","4","1","4","4","4","1") = "4"
    & skf21("5","4","4","1","4","4","5","1") = "4"
    & skf21("5","4","4","1","4","4","6","1") = "5"
    & skf21("5","4","4","1","4","4","7","1") = "6"
    & skf21("5","4","4","1","4","5","1","1") = "4"
    & skf21("5","4","4","1","4","5","2","1") = "4"
    & skf21("5","4","4","1","4","5","3","1") = "4"
    & skf21("5","4","4","1","4","5","4","1") = "4"
    & skf21("5","4","4","1","4","5","5","1") = "4"
    & skf21("5","4","4","1","4","5","6","1") = "5"
    & skf21("5","4","4","1","4","5","7","1") = "6"
    & skf21("5","4","4","1","4","6","1","1") = "5"
    & skf21("5","4","4","1","4","6","2","1") = "5"
    & skf21("5","4","4","1","4","6","3","1") = "5"
    & skf21("5","4","4","1","4","6","4","1") = "5"
    & skf21("5","4","4","1","4","6","5","1") = "5"
    & skf21("5","4","4","1","4","6","6","1") = "5"
    & skf21("5","4","4","1","4","6","7","1") = "6"
    & skf21("5","4","4","1","4","7","1","1") = "6"
    & skf21("5","4","4","1","4","7","2","1") = "6"
    & skf21("5","4","4","1","4","7","3","1") = "6"
    & skf21("5","4","4","1","4","7","4","1") = "6"
    & skf21("5","4","4","1","4","7","5","1") = "6"
    & skf21("5","4","4","1","4","7","6","1") = "6"
    & skf21("5","4","4","1","4","7","7","1") = "6"
    & skf21("5","4","4","1","5","1","1","1") = "4"
    & skf21("5","4","4","1","5","1","2","1") = "4"
    & skf21("5","4","4","1","5","1","3","1") = "4"
    & skf21("5","4","4","1","5","1","4","1") = "4"
    & skf21("5","4","4","1","5","1","5","1") = "4"
    & skf21("5","4","4","1","5","1","6","1") = "5"
    & skf21("5","4","4","1","5","1","7","1") = "6"
    & skf21("5","4","4","1","5","2","1","1") = "4"
    & skf21("5","4","4","1","5","2","2","1") = "4"
    & skf21("5","4","4","1","5","2","3","1") = "4"
    & skf21("5","4","4","1","5","2","4","1") = "4"
    & skf21("5","4","4","1","5","2","5","1") = "4"
    & skf21("5","4","4","1","5","2","6","1") = "5"
    & skf21("5","4","4","1","5","2","7","1") = "6"
    & skf21("5","4","4","1","5","3","1","1") = "4"
    & skf21("5","4","4","1","5","3","2","1") = "4"
    & skf21("5","4","4","1","5","3","3","1") = "4"
    & skf21("5","4","4","1","5","3","4","1") = "4"
    & skf21("5","4","4","1","5","3","5","1") = "4"
    & skf21("5","4","4","1","5","3","6","1") = "5"
    & skf21("5","4","4","1","5","3","7","1") = "6"
    & skf21("5","4","4","1","5","4","1","1") = "4"
    & skf21("5","4","4","1","5","4","2","1") = "4"
    & skf21("5","4","4","1","5","4","3","1") = "4"
    & skf21("5","4","4","1","5","4","4","1") = "4"
    & skf21("5","4","4","1","5","4","5","1") = "4"
    & skf21("5","4","4","1","5","4","6","1") = "5"
    & skf21("5","4","4","1","5","4","7","1") = "6"
    & skf21("5","4","4","1","5","5","1","1") = "4"
    & skf21("5","4","4","1","5","5","2","1") = "4"
    & skf21("5","4","4","1","5","5","3","1") = "4"
    & skf21("5","4","4","1","5","5","4","1") = "4"
    & skf21("5","4","4","1","5","5","5","1") = "4"
    & skf21("5","4","4","1","5","5","6","1") = "5"
    & skf21("5","4","4","1","5","5","7","1") = "6"
    & skf21("5","4","4","1","5","6","1","1") = "5"
    & skf21("5","4","4","1","5","6","2","1") = "5"
    & skf21("5","4","4","1","5","6","3","1") = "5"
    & skf21("5","4","4","1","5","6","4","1") = "5"
    & skf21("5","4","4","1","5","6","5","1") = "5"
    & skf21("5","4","4","1","5","6","6","1") = "5"
    & skf21("5","4","4","1","5","6","7","1") = "6"
    & skf21("5","4","4","1","5","7","1","1") = "6"
    & skf21("5","4","4","1","5","7","2","1") = "6"
    & skf21("5","4","4","1","5","7","3","1") = "6"
    & skf21("5","4","4","1","5","7","4","1") = "6"
    & skf21("5","4","4","1","5","7","5","1") = "6"
    & skf21("5","4","4","1","5","7","6","1") = "6"
    & skf21("5","4","4","1","5","7","7","1") = "6"
    & skf21("5","4","4","1","6","1","1","1") = "5"
    & skf21("5","4","4","1","6","1","2","1") = "5"
    & skf21("5","4","4","1","6","1","3","1") = "5"
    & skf21("5","4","4","1","6","1","4","1") = "5"
    & skf21("5","4","4","1","6","1","5","1") = "5"
    & skf21("5","4","4","1","6","1","6","1") = "5"
    & skf21("5","4","4","1","6","1","7","1") = "6"
    & skf21("5","4","4","1","6","2","1","1") = "5"
    & skf21("5","4","4","1","6","2","2","1") = "5"
    & skf21("5","4","4","1","6","2","3","1") = "5"
    & skf21("5","4","4","1","6","2","4","1") = "5"
    & skf21("5","4","4","1","6","2","5","1") = "5"
    & skf21("5","4","4","1","6","2","6","1") = "5"
    & skf21("5","4","4","1","6","2","7","1") = "6"
    & skf21("5","4","4","1","6","3","1","1") = "5"
    & skf21("5","4","4","1","6","3","2","1") = "5"
    & skf21("5","4","4","1","6","3","3","1") = "5"
    & skf21("5","4","4","1","6","3","4","1") = "5"
    & skf21("5","4","4","1","6","3","5","1") = "5"
    & skf21("5","4","4","1","6","3","6","1") = "5"
    & skf21("5","4","4","1","6","3","7","1") = "6"
    & skf21("5","4","4","1","6","4","1","1") = "5"
    & skf21("5","4","4","1","6","4","2","1") = "5"
    & skf21("5","4","4","1","6","4","3","1") = "5"
    & skf21("5","4","4","1","6","4","4","1") = "5"
    & skf21("5","4","4","1","6","4","5","1") = "5"
    & skf21("5","4","4","1","6","4","6","1") = "5"
    & skf21("5","4","4","1","6","4","7","1") = "6"
    & skf21("5","4","4","1","6","5","1","1") = "5"
    & skf21("5","4","4","1","6","5","2","1") = "5"
    & skf21("5","4","4","1","6","5","3","1") = "5"
    & skf21("5","4","4","1","6","5","4","1") = "5"
    & skf21("5","4","4","1","6","5","5","1") = "5"
    & skf21("5","4","4","1","6","5","6","1") = "5"
    & skf21("5","4","4","1","6","5","7","1") = "6"
    & skf21("5","4","4","1","6","6","1","1") = "5"
    & skf21("5","4","4","1","6","6","2","1") = "5"
    & skf21("5","4","4","1","6","6","3","1") = "5"
    & skf21("5","4","4","1","6","6","4","1") = "5"
    & skf21("5","4","4","1","6","6","5","1") = "5"
    & skf21("5","4","4","1","6","6","6","1") = "5"
    & skf21("5","4","4","1","6","6","7","1") = "6"
    & skf21("5","4","4","1","6","7","1","1") = "6"
    & skf21("5","4","4","1","6","7","2","1") = "6"
    & skf21("5","4","4","1","6","7","3","1") = "6"
    & skf21("5","4","4","1","6","7","4","1") = "6"
    & skf21("5","4","4","1","6","7","5","1") = "6"
    & skf21("5","4","4","1","6","7","6","1") = "6"
    & skf21("5","4","4","1","6","7","7","1") = "6"
    & skf21("5","4","4","1","7","1","1","1") = "6"
    & skf21("5","4","4","1","7","1","2","1") = "6"
    & skf21("5","4","4","1","7","1","3","1") = "6"
    & skf21("5","4","4","1","7","1","4","1") = "6"
    & skf21("5","4","4","1","7","1","5","1") = "6"
    & skf21("5","4","4","1","7","1","6","1") = "6"
    & skf21("5","4","4","1","7","1","7","1") = "6"
    & skf21("5","4","4","1","7","2","1","1") = "6"
    & skf21("5","4","4","1","7","2","2","1") = "6"
    & skf21("5","4","4","1","7","2","3","1") = "6"
    & skf21("5","4","4","1","7","2","4","1") = "6"
    & skf21("5","4","4","1","7","2","5","1") = "6"
    & skf21("5","4","4","1","7","2","6","1") = "6"
    & skf21("5","4","4","1","7","2","7","1") = "6"
    & skf21("5","4","4","1","7","3","1","1") = "6"
    & skf21("5","4","4","1","7","3","2","1") = "6"
    & skf21("5","4","4","1","7","3","3","1") = "6"
    & skf21("5","4","4","1","7","3","4","1") = "6"
    & skf21("5","4","4","1","7","3","5","1") = "6"
    & skf21("5","4","4","1","7","3","6","1") = "6"
    & skf21("5","4","4","1","7","3","7","1") = "6"
    & skf21("5","4","4","1","7","4","1","1") = "6"
    & skf21("5","4","4","1","7","4","2","1") = "6"
    & skf21("5","4","4","1","7","4","3","1") = "6"
    & skf21("5","4","4","1","7","4","4","1") = "6"
    & skf21("5","4","4","1","7","4","5","1") = "6"
    & skf21("5","4","4","1","7","4","6","1") = "6"
    & skf21("5","4","4","1","7","4","7","1") = "6"
    & skf21("5","4","4","1","7","5","1","1") = "6"
    & skf21("5","4","4","1","7","5","2","1") = "6"
    & skf21("5","4","4","1","7","5","3","1") = "6"
    & skf21("5","4","4","1","7","5","4","1") = "6"
    & skf21("5","4","4","1","7","5","5","1") = "6"
    & skf21("5","4","4","1","7","5","6","1") = "6"
    & skf21("5","4","4","1","7","5","7","1") = "6"
    & skf21("5","4","4","1","7","6","1","1") = "6"
    & skf21("5","4","4","1","7","6","2","1") = "6"
    & skf21("5","4","4","1","7","6","3","1") = "6"
    & skf21("5","4","4","1","7","6","4","1") = "6"
    & skf21("5","4","4","1","7","6","5","1") = "6"
    & skf21("5","4","4","1","7","6","6","1") = "6"
    & skf21("5","4","4","1","7","6","7","1") = "6"
    & skf21("5","4","4","1","7","7","1","1") = "6"
    & skf21("5","4","4","1","7","7","2","1") = "6"
    & skf21("5","4","4","1","7","7","3","1") = "6"
    & skf21("5","4","4","1","7","7","4","1") = "6"
    & skf21("5","4","4","1","7","7","5","1") = "6"
    & skf21("5","4","4","1","7","7","6","1") = "6"
    & skf21("5","4","4","1","7","7","7","1") = "6"
    & skf21("5","4","4","2","1","1","1","1") = "4"
    & skf21("5","4","4","2","1","1","2","1") = "4"
    & skf21("5","4","4","2","1","1","3","1") = "4"
    & skf21("5","4","4","2","1","1","4","1") = "4"
    & skf21("5","4","4","2","1","1","5","1") = "4"
    & skf21("5","4","4","2","1","1","6","1") = "5"
    & skf21("5","4","4","2","1","1","7","1") = "6"
    & skf21("5","4","4","2","1","2","1","1") = "4"
    & skf21("5","4","4","2","1","2","2","1") = "4"
    & skf21("5","4","4","2","1","2","3","1") = "4"
    & skf21("5","4","4","2","1","2","4","1") = "4"
    & skf21("5","4","4","2","1","2","5","1") = "4"
    & skf21("5","4","4","2","1","2","6","1") = "5"
    & skf21("5","4","4","2","1","2","7","1") = "6"
    & skf21("5","4","4","2","1","3","1","1") = "4"
    & skf21("5","4","4","2","1","3","2","1") = "4"
    & skf21("5","4","4","2","1","3","3","1") = "4"
    & skf21("5","4","4","2","1","3","4","1") = "4"
    & skf21("5","4","4","2","1","3","5","1") = "4"
    & skf21("5","4","4","2","1","3","6","1") = "5"
    & skf21("5","4","4","2","1","3","7","1") = "6"
    & skf21("5","4","4","2","1","4","1","1") = "4"
    & skf21("5","4","4","2","1","4","2","1") = "4"
    & skf21("5","4","4","2","1","4","3","1") = "4"
    & skf21("5","4","4","2","1","4","4","1") = "4"
    & skf21("5","4","4","2","1","4","5","1") = "4"
    & skf21("5","4","4","2","1","4","6","1") = "5"
    & skf21("5","4","4","2","1","4","7","1") = "6"
    & skf21("5","4","4","2","1","5","1","1") = "4"
    & skf21("5","4","4","2","1","5","2","1") = "4"
    & skf21("5","4","4","2","1","5","3","1") = "4"
    & skf21("5","4","4","2","1","5","4","1") = "4"
    & skf21("5","4","4","2","1","5","5","1") = "4"
    & skf21("5","4","4","2","1","5","6","1") = "5"
    & skf21("5","4","4","2","1","5","7","1") = "6"
    & skf21("5","4","4","2","1","6","1","1") = "5"
    & skf21("5","4","4","2","1","6","2","1") = "5"
    & skf21("5","4","4","2","1","6","3","1") = "5"
    & skf21("5","4","4","2","1","6","4","1") = "5"
    & skf21("5","4","4","2","1","6","5","1") = "5"
    & skf21("5","4","4","2","1","6","6","1") = "5"
    & skf21("5","4","4","2","1","6","7","1") = "6"
    & skf21("5","4","4","2","1","7","1","1") = "6"
    & skf21("5","4","4","2","1","7","2","1") = "6"
    & skf21("5","4","4","2","1","7","3","1") = "6"
    & skf21("5","4","4","2","1","7","4","1") = "6"
    & skf21("5","4","4","2","1","7","5","1") = "6"
    & skf21("5","4","4","2","1","7","6","1") = "6"
    & skf21("5","4","4","2","1","7","7","1") = "6"
    & skf21("5","4","4","2","2","1","1","1") = "4"
    & skf21("5","4","4","2","2","1","2","1") = "4"
    & skf21("5","4","4","2","2","1","3","1") = "4"
    & skf21("5","4","4","2","2","1","4","1") = "4"
    & skf21("5","4","4","2","2","1","5","1") = "4"
    & skf21("5","4","4","2","2","1","6","1") = "5"
    & skf21("5","4","4","2","2","1","7","1") = "6"
    & skf21("5","4","4","2","2","2","1","1") = "4"
    & skf21("5","4","4","2","2","2","2","1") = "4"
    & skf21("5","4","4","2","2","2","3","1") = "4"
    & skf21("5","4","4","2","2","2","4","1") = "4"
    & skf21("5","4","4","2","2","2","5","1") = "4"
    & skf21("5","4","4","2","2","2","6","1") = "5"
    & skf21("5","4","4","2","2","2","7","1") = "6"
    & skf21("5","4","4","2","2","3","1","1") = "4"
    & skf21("5","4","4","2","2","3","2","1") = "4"
    & skf21("5","4","4","2","2","3","3","1") = "4"
    & skf21("5","4","4","2","2","3","4","1") = "4"
    & skf21("5","4","4","2","2","3","5","1") = "4"
    & skf21("5","4","4","2","2","3","6","1") = "5"
    & skf21("5","4","4","2","2","3","7","1") = "6"
    & skf21("5","4","4","2","2","4","1","1") = "4"
    & skf21("5","4","4","2","2","4","2","1") = "4"
    & skf21("5","4","4","2","2","4","3","1") = "4"
    & skf21("5","4","4","2","2","4","4","1") = "4"
    & skf21("5","4","4","2","2","4","5","1") = "4"
    & skf21("5","4","4","2","2","4","6","1") = "5"
    & skf21("5","4","4","2","2","4","7","1") = "6"
    & skf21("5","4","4","2","2","5","1","1") = "4"
    & skf21("5","4","4","2","2","5","2","1") = "4"
    & skf21("5","4","4","2","2","5","3","1") = "4"
    & skf21("5","4","4","2","2","5","4","1") = "4"
    & skf21("5","4","4","2","2","5","5","1") = "4"
    & skf21("5","4","4","2","2","5","6","1") = "5"
    & skf21("5","4","4","2","2","5","7","1") = "6"
    & skf21("5","4","4","2","2","6","1","1") = "5"
    & skf21("5","4","4","2","2","6","2","1") = "5"
    & skf21("5","4","4","2","2","6","3","1") = "5"
    & skf21("5","4","4","2","2","6","4","1") = "5"
    & skf21("5","4","4","2","2","6","5","1") = "5"
    & skf21("5","4","4","2","2","6","6","1") = "5"
    & skf21("5","4","4","2","2","6","7","1") = "6"
    & skf21("5","4","4","2","2","7","1","1") = "6"
    & skf21("5","4","4","2","2","7","2","1") = "6"
    & skf21("5","4","4","2","2","7","3","1") = "6"
    & skf21("5","4","4","2","2","7","4","1") = "6"
    & skf21("5","4","4","2","2","7","5","1") = "6"
    & skf21("5","4","4","2","2","7","6","1") = "6"
    & skf21("5","4","4","2","2","7","7","1") = "6"
    & skf21("5","4","4","2","3","1","1","1") = "4"
    & skf21("5","4","4","2","3","1","2","1") = "4"
    & skf21("5","4","4","2","3","1","3","1") = "4"
    & skf21("5","4","4","2","3","1","4","1") = "4"
    & skf21("5","4","4","2","3","1","5","1") = "4"
    & skf21("5","4","4","2","3","1","6","1") = "5"
    & skf21("5","4","4","2","3","1","7","1") = "6"
    & skf21("5","4","4","2","3","2","1","1") = "4"
    & skf21("5","4","4","2","3","2","2","1") = "4"
    & skf21("5","4","4","2","3","2","3","1") = "4"
    & skf21("5","4","4","2","3","2","4","1") = "4"
    & skf21("5","4","4","2","3","2","5","1") = "4"
    & skf21("5","4","4","2","3","2","6","1") = "5"
    & skf21("5","4","4","2","3","2","7","1") = "6"
    & skf21("5","4","4","2","3","3","1","1") = "4"
    & skf21("5","4","4","2","3","3","2","1") = "4"
    & skf21("5","4","4","2","3","3","3","1") = "4"
    & skf21("5","4","4","2","3","3","4","1") = "4"
    & skf21("5","4","4","2","3","3","5","1") = "4"
    & skf21("5","4","4","2","3","3","6","1") = "5"
    & skf21("5","4","4","2","3","3","7","1") = "6"
    & skf21("5","4","4","2","3","4","1","1") = "4"
    & skf21("5","4","4","2","3","4","2","1") = "4"
    & skf21("5","4","4","2","3","4","3","1") = "4"
    & skf21("5","4","4","2","3","4","4","1") = "4"
    & skf21("5","4","4","2","3","4","5","1") = "4"
    & skf21("5","4","4","2","3","4","6","1") = "5"
    & skf21("5","4","4","2","3","4","7","1") = "6"
    & skf21("5","4","4","2","3","5","1","1") = "4"
    & skf21("5","4","4","2","3","5","2","1") = "4"
    & skf21("5","4","4","2","3","5","3","1") = "4"
    & skf21("5","4","4","2","3","5","4","1") = "4"
    & skf21("5","4","4","2","3","5","5","1") = "4"
    & skf21("5","4","4","2","3","5","6","1") = "5"
    & skf21("5","4","4","2","3","5","7","1") = "6"
    & skf21("5","4","4","2","3","6","1","1") = "5"
    & skf21("5","4","4","2","3","6","2","1") = "5"
    & skf21("5","4","4","2","3","6","3","1") = "5"
    & skf21("5","4","4","2","3","6","4","1") = "5"
    & skf21("5","4","4","2","3","6","5","1") = "5"
    & skf21("5","4","4","2","3","6","6","1") = "5"
    & skf21("5","4","4","2","3","6","7","1") = "6"
    & skf21("5","4","4","2","3","7","1","1") = "6"
    & skf21("5","4","4","2","3","7","2","1") = "6"
    & skf21("5","4","4","2","3","7","3","1") = "6"
    & skf21("5","4","4","2","3","7","4","1") = "6"
    & skf21("5","4","4","2","3","7","5","1") = "6"
    & skf21("5","4","4","2","3","7","6","1") = "6"
    & skf21("5","4","4","2","3","7","7","1") = "6"
    & skf21("5","4","4","2","4","1","1","1") = "4"
    & skf21("5","4","4","2","4","1","2","1") = "4"
    & skf21("5","4","4","2","4","1","3","1") = "4"
    & skf21("5","4","4","2","4","1","4","1") = "4"
    & skf21("5","4","4","2","4","1","5","1") = "4"
    & skf21("5","4","4","2","4","1","6","1") = "5"
    & skf21("5","4","4","2","4","1","7","1") = "6"
    & skf21("5","4","4","2","4","2","1","1") = "4"
    & skf21("5","4","4","2","4","2","2","1") = "4"
    & skf21("5","4","4","2","4","2","3","1") = "4"
    & skf21("5","4","4","2","4","2","4","1") = "4"
    & skf21("5","4","4","2","4","2","5","1") = "4"
    & skf21("5","4","4","2","4","2","6","1") = "5"
    & skf21("5","4","4","2","4","2","7","1") = "6"
    & skf21("5","4","4","2","4","3","1","1") = "4"
    & skf21("5","4","4","2","4","3","2","1") = "4"
    & skf21("5","4","4","2","4","3","3","1") = "4"
    & skf21("5","4","4","2","4","3","4","1") = "4"
    & skf21("5","4","4","2","4","3","5","1") = "4"
    & skf21("5","4","4","2","4","3","6","1") = "5"
    & skf21("5","4","4","2","4","3","7","1") = "6"
    & skf21("5","4","4","2","4","4","1","1") = "4"
    & skf21("5","4","4","2","4","4","2","1") = "4"
    & skf21("5","4","4","2","4","4","3","1") = "4"
    & skf21("5","4","4","2","4","4","4","1") = "4"
    & skf21("5","4","4","2","4","4","5","1") = "4"
    & skf21("5","4","4","2","4","4","6","1") = "5"
    & skf21("5","4","4","2","4","4","7","1") = "6"
    & skf21("5","4","4","2","4","5","1","1") = "4"
    & skf21("5","4","4","2","4","5","2","1") = "4"
    & skf21("5","4","4","2","4","5","3","1") = "4"
    & skf21("5","4","4","2","4","5","4","1") = "4"
    & skf21("5","4","4","2","4","5","5","1") = "4"
    & skf21("5","4","4","2","4","5","6","1") = "5"
    & skf21("5","4","4","2","4","5","7","1") = "6"
    & skf21("5","4","4","2","4","6","1","1") = "5"
    & skf21("5","4","4","2","4","6","2","1") = "5"
    & skf21("5","4","4","2","4","6","3","1") = "5"
    & skf21("5","4","4","2","4","6","4","1") = "5"
    & skf21("5","4","4","2","4","6","5","1") = "5"
    & skf21("5","4","4","2","4","6","6","1") = "5"
    & skf21("5","4","4","2","4","6","7","1") = "6"
    & skf21("5","4","4","2","4","7","1","1") = "6"
    & skf21("5","4","4","2","4","7","2","1") = "6"
    & skf21("5","4","4","2","4","7","3","1") = "6"
    & skf21("5","4","4","2","4","7","4","1") = "6"
    & skf21("5","4","4","2","4","7","5","1") = "6"
    & skf21("5","4","4","2","4","7","6","1") = "6"
    & skf21("5","4","4","2","4","7","7","1") = "6"
    & skf21("5","4","4","2","5","1","1","1") = "4"
    & skf21("5","4","4","2","5","1","2","1") = "4"
    & skf21("5","4","4","2","5","1","3","1") = "4"
    & skf21("5","4","4","2","5","1","4","1") = "4"
    & skf21("5","4","4","2","5","1","5","1") = "4"
    & skf21("5","4","4","2","5","1","6","1") = "5"
    & skf21("5","4","4","2","5","1","7","1") = "6"
    & skf21("5","4","4","2","5","2","1","1") = "4"
    & skf21("5","4","4","2","5","2","2","1") = "4"
    & skf21("5","4","4","2","5","2","3","1") = "4"
    & skf21("5","4","4","2","5","2","4","1") = "4"
    & skf21("5","4","4","2","5","2","5","1") = "4"
    & skf21("5","4","4","2","5","2","6","1") = "5"
    & skf21("5","4","4","2","5","2","7","1") = "6"
    & skf21("5","4","4","2","5","3","1","1") = "4"
    & skf21("5","4","4","2","5","3","2","1") = "4"
    & skf21("5","4","4","2","5","3","3","1") = "4"
    & skf21("5","4","4","2","5","3","4","1") = "4"
    & skf21("5","4","4","2","5","3","5","1") = "4"
    & skf21("5","4","4","2","5","3","6","1") = "5"
    & skf21("5","4","4","2","5","3","7","1") = "6"
    & skf21("5","4","4","2","5","4","1","1") = "4"
    & skf21("5","4","4","2","5","4","2","1") = "4"
    & skf21("5","4","4","2","5","4","3","1") = "4"
    & skf21("5","4","4","2","5","4","4","1") = "4"
    & skf21("5","4","4","2","5","4","5","1") = "4"
    & skf21("5","4","4","2","5","4","6","1") = "5"
    & skf21("5","4","4","2","5","4","7","1") = "6"
    & skf21("5","4","4","2","5","5","1","1") = "4"
    & skf21("5","4","4","2","5","5","2","1") = "4"
    & skf21("5","4","4","2","5","5","3","1") = "4"
    & skf21("5","4","4","2","5","5","4","1") = "4"
    & skf21("5","4","4","2","5","5","5","1") = "4"
    & skf21("5","4","4","2","5","5","6","1") = "5"
    & skf21("5","4","4","2","5","5","7","1") = "6"
    & skf21("5","4","4","2","5","6","1","1") = "5"
    & skf21("5","4","4","2","5","6","2","1") = "5"
    & skf21("5","4","4","2","5","6","3","1") = "5"
    & skf21("5","4","4","2","5","6","4","1") = "5"
    & skf21("5","4","4","2","5","6","5","1") = "5"
    & skf21("5","4","4","2","5","6","6","1") = "5"
    & skf21("5","4","4","2","5","6","7","1") = "6"
    & skf21("5","4","4","2","5","7","1","1") = "6"
    & skf21("5","4","4","2","5","7","2","1") = "6"
    & skf21("5","4","4","2","5","7","3","1") = "6"
    & skf21("5","4","4","2","5","7","4","1") = "6"
    & skf21("5","4","4","2","5","7","5","1") = "6"
    & skf21("5","4","4","2","5","7","6","1") = "6"
    & skf21("5","4","4","2","5","7","7","1") = "6"
    & skf21("5","4","4","2","6","1","1","1") = "5"
    & skf21("5","4","4","2","6","1","2","1") = "5"
    & skf21("5","4","4","2","6","1","3","1") = "5"
    & skf21("5","4","4","2","6","1","4","1") = "5"
    & skf21("5","4","4","2","6","1","5","1") = "5"
    & skf21("5","4","4","2","6","1","6","1") = "5"
    & skf21("5","4","4","2","6","1","7","1") = "6"
    & skf21("5","4","4","2","6","2","1","1") = "5"
    & skf21("5","4","4","2","6","2","2","1") = "5"
    & skf21("5","4","4","2","6","2","3","1") = "5"
    & skf21("5","4","4","2","6","2","4","1") = "5"
    & skf21("5","4","4","2","6","2","5","1") = "5"
    & skf21("5","4","4","2","6","2","6","1") = "5"
    & skf21("5","4","4","2","6","2","7","1") = "6"
    & skf21("5","4","4","2","6","3","1","1") = "5"
    & skf21("5","4","4","2","6","3","2","1") = "5"
    & skf21("5","4","4","2","6","3","3","1") = "5"
    & skf21("5","4","4","2","6","3","4","1") = "5"
    & skf21("5","4","4","2","6","3","5","1") = "5"
    & skf21("5","4","4","2","6","3","6","1") = "5"
    & skf21("5","4","4","2","6","3","7","1") = "6"
    & skf21("5","4","4","2","6","4","1","1") = "5"
    & skf21("5","4","4","2","6","4","2","1") = "5"
    & skf21("5","4","4","2","6","4","3","1") = "5"
    & skf21("5","4","4","2","6","4","4","1") = "5"
    & skf21("5","4","4","2","6","4","5","1") = "5"
    & skf21("5","4","4","2","6","4","6","1") = "5"
    & skf21("5","4","4","2","6","4","7","1") = "6"
    & skf21("5","4","4","2","6","5","1","1") = "5"
    & skf21("5","4","4","2","6","5","2","1") = "5"
    & skf21("5","4","4","2","6","5","3","1") = "5"
    & skf21("5","4","4","2","6","5","4","1") = "5"
    & skf21("5","4","4","2","6","5","5","1") = "5"
    & skf21("5","4","4","2","6","5","6","1") = "5"
    & skf21("5","4","4","2","6","5","7","1") = "6"
    & skf21("5","4","4","2","6","6","1","1") = "5"
    & skf21("5","4","4","2","6","6","2","1") = "5"
    & skf21("5","4","4","2","6","6","3","1") = "5"
    & skf21("5","4","4","2","6","6","4","1") = "5"
    & skf21("5","4","4","2","6","6","5","1") = "5"
    & skf21("5","4","4","2","6","6","6","1") = "5"
    & skf21("5","4","4","2","6","6","7","1") = "6"
    & skf21("5","4","4","2","6","7","1","1") = "6"
    & skf21("5","4","4","2","6","7","2","1") = "6"
    & skf21("5","4","4","2","6","7","3","1") = "6"
    & skf21("5","4","4","2","6","7","4","1") = "6"
    & skf21("5","4","4","2","6","7","5","1") = "6"
    & skf21("5","4","4","2","6","7","6","1") = "6"
    & skf21("5","4","4","2","6","7","7","1") = "6"
    & skf21("5","4","4","2","7","1","1","1") = "6"
    & skf21("5","4","4","2","7","1","2","1") = "6"
    & skf21("5","4","4","2","7","1","3","1") = "6"
    & skf21("5","4","4","2","7","1","4","1") = "6"
    & skf21("5","4","4","2","7","1","5","1") = "6"
    & skf21("5","4","4","2","7","1","6","1") = "6"
    & skf21("5","4","4","2","7","1","7","1") = "6"
    & skf21("5","4","4","2","7","2","1","1") = "6"
    & skf21("5","4","4","2","7","2","2","1") = "6"
    & skf21("5","4","4","2","7","2","3","1") = "6"
    & skf21("5","4","4","2","7","2","4","1") = "6"
    & skf21("5","4","4","2","7","2","5","1") = "6"
    & skf21("5","4","4","2","7","2","6","1") = "6"
    & skf21("5","4","4","2","7","2","7","1") = "6"
    & skf21("5","4","4","2","7","3","1","1") = "6"
    & skf21("5","4","4","2","7","3","2","1") = "6"
    & skf21("5","4","4","2","7","3","3","1") = "6"
    & skf21("5","4","4","2","7","3","4","1") = "6"
    & skf21("5","4","4","2","7","3","5","1") = "6"
    & skf21("5","4","4","2","7","3","6","1") = "6"
    & skf21("5","4","4","2","7","3","7","1") = "6"
    & skf21("5","4","4","2","7","4","1","1") = "6"
    & skf21("5","4","4","2","7","4","2","1") = "6"
    & skf21("5","4","4","2","7","4","3","1") = "6"
    & skf21("5","4","4","2","7","4","4","1") = "6"
    & skf21("5","4","4","2","7","4","5","1") = "6"
    & skf21("5","4","4","2","7","4","6","1") = "6"
    & skf21("5","4","4","2","7","4","7","1") = "6"
    & skf21("5","4","4","2","7","5","1","1") = "6"
    & skf21("5","4","4","2","7","5","2","1") = "6"
    & skf21("5","4","4","2","7","5","3","1") = "6"
    & skf21("5","4","4","2","7","5","4","1") = "6"
    & skf21("5","4","4","2","7","5","5","1") = "6"
    & skf21("5","4","4","2","7","5","6","1") = "6"
    & skf21("5","4","4","2","7","5","7","1") = "6"
    & skf21("5","4","4","2","7","6","1","1") = "6"
    & skf21("5","4","4","2","7","6","2","1") = "6"
    & skf21("5","4","4","2","7","6","3","1") = "6"
    & skf21("5","4","4","2","7","6","4","1") = "6"
    & skf21("5","4","4","2","7","6","5","1") = "6"
    & skf21("5","4","4","2","7","6","6","1") = "6"
    & skf21("5","4","4","2","7","6","7","1") = "6"
    & skf21("5","4","4","2","7","7","1","1") = "6"
    & skf21("5","4","4","2","7","7","2","1") = "6"
    & skf21("5","4","4","2","7","7","3","1") = "6"
    & skf21("5","4","4","2","7","7","4","1") = "6"
    & skf21("5","4","4","2","7","7","5","1") = "6"
    & skf21("5","4","4","2","7","7","6","1") = "6"
    & skf21("5","4","4","2","7","7","7","1") = "6"
    & skf21("5","4","4","3","1","1","1","1") = "4"
    & skf21("5","4","4","3","1","1","2","1") = "4"
    & skf21("5","4","4","3","1","1","3","1") = "4"
    & skf21("5","4","4","3","1","1","4","1") = "4"
    & skf21("5","4","4","3","1","1","5","1") = "4"
    & skf21("5","4","4","3","1","1","6","1") = "5"
    & skf21("5","4","4","3","1","1","7","1") = "6"
    & skf21("5","4","4","3","1","2","1","1") = "4"
    & skf21("5","4","4","3","1","2","2","1") = "4"
    & skf21("5","4","4","3","1","2","3","1") = "4"
    & skf21("5","4","4","3","1","2","4","1") = "4"
    & skf21("5","4","4","3","1","2","5","1") = "4"
    & skf21("5","4","4","3","1","2","6","1") = "5"
    & skf21("5","4","4","3","1","2","7","1") = "6"
    & skf21("5","4","4","3","1","3","1","1") = "4"
    & skf21("5","4","4","3","1","3","2","1") = "4"
    & skf21("5","4","4","3","1","3","3","1") = "4"
    & skf21("5","4","4","3","1","3","4","1") = "4"
    & skf21("5","4","4","3","1","3","5","1") = "4"
    & skf21("5","4","4","3","1","3","6","1") = "5"
    & skf21("5","4","4","3","1","3","7","1") = "6"
    & skf21("5","4","4","3","1","4","1","1") = "4"
    & skf21("5","4","4","3","1","4","2","1") = "4"
    & skf21("5","4","4","3","1","4","3","1") = "4"
    & skf21("5","4","4","3","1","4","4","1") = "4"
    & skf21("5","4","4","3","1","4","5","1") = "4"
    & skf21("5","4","4","3","1","4","6","1") = "5"
    & skf21("5","4","4","3","1","4","7","1") = "6"
    & skf21("5","4","4","3","1","5","1","1") = "4"
    & skf21("5","4","4","3","1","5","2","1") = "4"
    & skf21("5","4","4","3","1","5","3","1") = "4"
    & skf21("5","4","4","3","1","5","4","1") = "4"
    & skf21("5","4","4","3","1","5","5","1") = "4"
    & skf21("5","4","4","3","1","5","6","1") = "5"
    & skf21("5","4","4","3","1","5","7","1") = "6"
    & skf21("5","4","4","3","1","6","1","1") = "5"
    & skf21("5","4","4","3","1","6","2","1") = "5"
    & skf21("5","4","4","3","1","6","3","1") = "5"
    & skf21("5","4","4","3","1","6","4","1") = "5"
    & skf21("5","4","4","3","1","6","5","1") = "5"
    & skf21("5","4","4","3","1","6","6","1") = "5"
    & skf21("5","4","4","3","1","6","7","1") = "6"
    & skf21("5","4","4","3","1","7","1","1") = "6"
    & skf21("5","4","4","3","1","7","2","1") = "6"
    & skf21("5","4","4","3","1","7","3","1") = "6"
    & skf21("5","4","4","3","1","7","4","1") = "6"
    & skf21("5","4","4","3","1","7","5","1") = "6"
    & skf21("5","4","4","3","1","7","6","1") = "6"
    & skf21("5","4","4","3","1","7","7","1") = "6"
    & skf21("5","4","4","3","2","1","1","1") = "4"
    & skf21("5","4","4","3","2","1","2","1") = "4"
    & skf21("5","4","4","3","2","1","3","1") = "4"
    & skf21("5","4","4","3","2","1","4","1") = "4"
    & skf21("5","4","4","3","2","1","5","1") = "4"
    & skf21("5","4","4","3","2","1","6","1") = "5"
    & skf21("5","4","4","3","2","1","7","1") = "6"
    & skf21("5","4","4","3","2","2","1","1") = "4"
    & skf21("5","4","4","3","2","2","2","1") = "4"
    & skf21("5","4","4","3","2","2","3","1") = "4"
    & skf21("5","4","4","3","2","2","4","1") = "4"
    & skf21("5","4","4","3","2","2","5","1") = "4"
    & skf21("5","4","4","3","2","2","6","1") = "5"
    & skf21("5","4","4","3","2","2","7","1") = "6"
    & skf21("5","4","4","3","2","3","1","1") = "4"
    & skf21("5","4","4","3","2","3","2","1") = "4"
    & skf21("5","4","4","3","2","3","3","1") = "4"
    & skf21("5","4","4","3","2","3","4","1") = "4"
    & skf21("5","4","4","3","2","3","5","1") = "4"
    & skf21("5","4","4","3","2","3","6","1") = "5"
    & skf21("5","4","4","3","2","3","7","1") = "6"
    & skf21("5","4","4","3","2","4","1","1") = "4"
    & skf21("5","4","4","3","2","4","2","1") = "4"
    & skf21("5","4","4","3","2","4","3","1") = "4"
    & skf21("5","4","4","3","2","4","4","1") = "4"
    & skf21("5","4","4","3","2","4","5","1") = "4"
    & skf21("5","4","4","3","2","4","6","1") = "5"
    & skf21("5","4","4","3","2","4","7","1") = "6"
    & skf21("5","4","4","3","2","5","1","1") = "4"
    & skf21("5","4","4","3","2","5","2","1") = "4"
    & skf21("5","4","4","3","2","5","3","1") = "4"
    & skf21("5","4","4","3","2","5","4","1") = "4"
    & skf21("5","4","4","3","2","5","5","1") = "4"
    & skf21("5","4","4","3","2","5","6","1") = "5"
    & skf21("5","4","4","3","2","5","7","1") = "6"
    & skf21("5","4","4","3","2","6","1","1") = "5"
    & skf21("5","4","4","3","2","6","2","1") = "5"
    & skf21("5","4","4","3","2","6","3","1") = "5"
    & skf21("5","4","4","3","2","6","4","1") = "5"
    & skf21("5","4","4","3","2","6","5","1") = "5"
    & skf21("5","4","4","3","2","6","6","1") = "5"
    & skf21("5","4","4","3","2","6","7","1") = "6"
    & skf21("5","4","4","3","2","7","1","1") = "6"
    & skf21("5","4","4","3","2","7","2","1") = "6"
    & skf21("5","4","4","3","2","7","3","1") = "6"
    & skf21("5","4","4","3","2","7","4","1") = "6"
    & skf21("5","4","4","3","2","7","5","1") = "6"
    & skf21("5","4","4","3","2","7","6","1") = "6"
    & skf21("5","4","4","3","2","7","7","1") = "6"
    & skf21("5","4","4","3","3","1","1","1") = "4"
    & skf21("5","4","4","3","3","1","2","1") = "4"
    & skf21("5","4","4","3","3","1","3","1") = "4"
    & skf21("5","4","4","3","3","1","4","1") = "4"
    & skf21("5","4","4","3","3","1","5","1") = "4"
    & skf21("5","4","4","3","3","1","6","1") = "5"
    & skf21("5","4","4","3","3","1","7","1") = "6"
    & skf21("5","4","4","3","3","2","1","1") = "4"
    & skf21("5","4","4","3","3","2","2","1") = "4"
    & skf21("5","4","4","3","3","2","3","1") = "4"
    & skf21("5","4","4","3","3","2","4","1") = "4"
    & skf21("5","4","4","3","3","2","5","1") = "4"
    & skf21("5","4","4","3","3","2","6","1") = "5"
    & skf21("5","4","4","3","3","2","7","1") = "6"
    & skf21("5","4","4","3","3","3","1","1") = "4"
    & skf21("5","4","4","3","3","3","2","1") = "4"
    & skf21("5","4","4","3","3","3","3","1") = "4"
    & skf21("5","4","4","3","3","3","4","1") = "4"
    & skf21("5","4","4","3","3","3","5","1") = "4"
    & skf21("5","4","4","3","3","3","6","1") = "5"
    & skf21("5","4","4","3","3","3","7","1") = "6"
    & skf21("5","4","4","3","3","4","1","1") = "4"
    & skf21("5","4","4","3","3","4","2","1") = "4"
    & skf21("5","4","4","3","3","4","3","1") = "4"
    & skf21("5","4","4","3","3","4","4","1") = "4"
    & skf21("5","4","4","3","3","4","5","1") = "4"
    & skf21("5","4","4","3","3","4","6","1") = "5"
    & skf21("5","4","4","3","3","4","7","1") = "6"
    & skf21("5","4","4","3","3","5","1","1") = "4"
    & skf21("5","4","4","3","3","5","2","1") = "4"
    & skf21("5","4","4","3","3","5","3","1") = "4"
    & skf21("5","4","4","3","3","5","4","1") = "4"
    & skf21("5","4","4","3","3","5","5","1") = "4"
    & skf21("5","4","4","3","3","5","6","1") = "5"
    & skf21("5","4","4","3","3","5","7","1") = "6"
    & skf21("5","4","4","3","3","6","1","1") = "5"
    & skf21("5","4","4","3","3","6","2","1") = "5"
    & skf21("5","4","4","3","3","6","3","1") = "5"
    & skf21("5","4","4","3","3","6","4","1") = "5"
    & skf21("5","4","4","3","3","6","5","1") = "5"
    & skf21("5","4","4","3","3","6","6","1") = "5"
    & skf21("5","4","4","3","3","6","7","1") = "6"
    & skf21("5","4","4","3","3","7","1","1") = "6"
    & skf21("5","4","4","3","3","7","2","1") = "6"
    & skf21("5","4","4","3","3","7","3","1") = "6"
    & skf21("5","4","4","3","3","7","4","1") = "6"
    & skf21("5","4","4","3","3","7","5","1") = "6"
    & skf21("5","4","4","3","3","7","6","1") = "6"
    & skf21("5","4","4","3","3","7","7","1") = "6"
    & skf21("5","4","4","3","4","1","1","1") = "4"
    & skf21("5","4","4","3","4","1","2","1") = "4"
    & skf21("5","4","4","3","4","1","3","1") = "4"
    & skf21("5","4","4","3","4","1","4","1") = "4"
    & skf21("5","4","4","3","4","1","5","1") = "4"
    & skf21("5","4","4","3","4","1","6","1") = "5"
    & skf21("5","4","4","3","4","1","7","1") = "6"
    & skf21("5","4","4","3","4","2","1","1") = "4"
    & skf21("5","4","4","3","4","2","2","1") = "4"
    & skf21("5","4","4","3","4","2","3","1") = "4"
    & skf21("5","4","4","3","4","2","4","1") = "4"
    & skf21("5","4","4","3","4","2","5","1") = "4"
    & skf21("5","4","4","3","4","2","6","1") = "5"
    & skf21("5","4","4","3","4","2","7","1") = "6"
    & skf21("5","4","4","3","4","3","1","1") = "4"
    & skf21("5","4","4","3","4","3","2","1") = "4"
    & skf21("5","4","4","3","4","3","3","1") = "4"
    & skf21("5","4","4","3","4","3","4","1") = "4"
    & skf21("5","4","4","3","4","3","5","1") = "4"
    & skf21("5","4","4","3","4","3","6","1") = "5"
    & skf21("5","4","4","3","4","3","7","1") = "6"
    & skf21("5","4","4","3","4","4","1","1") = "4"
    & skf21("5","4","4","3","4","4","2","1") = "4"
    & skf21("5","4","4","3","4","4","3","1") = "4"
    & skf21("5","4","4","3","4","4","4","1") = "4"
    & skf21("5","4","4","3","4","4","5","1") = "4"
    & skf21("5","4","4","3","4","4","6","1") = "5"
    & skf21("5","4","4","3","4","4","7","1") = "6"
    & skf21("5","4","4","3","4","5","1","1") = "4"
    & skf21("5","4","4","3","4","5","2","1") = "4"
    & skf21("5","4","4","3","4","5","3","1") = "4"
    & skf21("5","4","4","3","4","5","4","1") = "4"
    & skf21("5","4","4","3","4","5","5","1") = "4"
    & skf21("5","4","4","3","4","5","6","1") = "5"
    & skf21("5","4","4","3","4","5","7","1") = "6"
    & skf21("5","4","4","3","4","6","1","1") = "5"
    & skf21("5","4","4","3","4","6","2","1") = "5"
    & skf21("5","4","4","3","4","6","3","1") = "5"
    & skf21("5","4","4","3","4","6","4","1") = "5"
    & skf21("5","4","4","3","4","6","5","1") = "5"
    & skf21("5","4","4","3","4","6","6","1") = "5"
    & skf21("5","4","4","3","4","6","7","1") = "6"
    & skf21("5","4","4","3","4","7","1","1") = "6"
    & skf21("5","4","4","3","4","7","2","1") = "6"
    & skf21("5","4","4","3","4","7","3","1") = "6"
    & skf21("5","4","4","3","4","7","4","1") = "6"
    & skf21("5","4","4","3","4","7","5","1") = "6"
    & skf21("5","4","4","3","4","7","6","1") = "6"
    & skf21("5","4","4","3","4","7","7","1") = "6"
    & skf21("5","4","4","3","5","1","1","1") = "4"
    & skf21("5","4","4","3","5","1","2","1") = "4"
    & skf21("5","4","4","3","5","1","3","1") = "4"
    & skf21("5","4","4","3","5","1","4","1") = "4"
    & skf21("5","4","4","3","5","1","5","1") = "4"
    & skf21("5","4","4","3","5","1","6","1") = "5"
    & skf21("5","4","4","3","5","1","7","1") = "6"
    & skf21("5","4","4","3","5","2","1","1") = "4"
    & skf21("5","4","4","3","5","2","2","1") = "4"
    & skf21("5","4","4","3","5","2","3","1") = "4"
    & skf21("5","4","4","3","5","2","4","1") = "4"
    & skf21("5","4","4","3","5","2","5","1") = "4"
    & skf21("5","4","4","3","5","2","6","1") = "5"
    & skf21("5","4","4","3","5","2","7","1") = "6"
    & skf21("5","4","4","3","5","3","1","1") = "4"
    & skf21("5","4","4","3","5","3","2","1") = "4"
    & skf21("5","4","4","3","5","3","3","1") = "4"
    & skf21("5","4","4","3","5","3","4","1") = "4"
    & skf21("5","4","4","3","5","3","5","1") = "4"
    & skf21("5","4","4","3","5","3","6","1") = "5"
    & skf21("5","4","4","3","5","3","7","1") = "6"
    & skf21("5","4","4","3","5","4","1","1") = "4"
    & skf21("5","4","4","3","5","4","2","1") = "4"
    & skf21("5","4","4","3","5","4","3","1") = "4"
    & skf21("5","4","4","3","5","4","4","1") = "4"
    & skf21("5","4","4","3","5","4","5","1") = "4"
    & skf21("5","4","4","3","5","4","6","1") = "5"
    & skf21("5","4","4","3","5","4","7","1") = "6"
    & skf21("5","4","4","3","5","5","1","1") = "4"
    & skf21("5","4","4","3","5","5","2","1") = "4"
    & skf21("5","4","4","3","5","5","3","1") = "4"
    & skf21("5","4","4","3","5","5","4","1") = "4"
    & skf21("5","4","4","3","5","5","5","1") = "4"
    & skf21("5","4","4","3","5","5","6","1") = "5"
    & skf21("5","4","4","3","5","5","7","1") = "6"
    & skf21("5","4","4","3","5","6","1","1") = "5"
    & skf21("5","4","4","3","5","6","2","1") = "5"
    & skf21("5","4","4","3","5","6","3","1") = "5"
    & skf21("5","4","4","3","5","6","4","1") = "5"
    & skf21("5","4","4","3","5","6","5","1") = "5"
    & skf21("5","4","4","3","5","6","6","1") = "5"
    & skf21("5","4","4","3","5","6","7","1") = "6"
    & skf21("5","4","4","3","5","7","1","1") = "6"
    & skf21("5","4","4","3","5","7","2","1") = "6"
    & skf21("5","4","4","3","5","7","3","1") = "6"
    & skf21("5","4","4","3","5","7","4","1") = "6"
    & skf21("5","4","4","3","5","7","5","1") = "6"
    & skf21("5","4","4","3","5","7","6","1") = "6"
    & skf21("5","4","4","3","5","7","7","1") = "6"
    & skf21("5","4","4","3","6","1","1","1") = "5"
    & skf21("5","4","4","3","6","1","2","1") = "5"
    & skf21("5","4","4","3","6","1","3","1") = "5"
    & skf21("5","4","4","3","6","1","4","1") = "5"
    & skf21("5","4","4","3","6","1","5","1") = "5"
    & skf21("5","4","4","3","6","1","6","1") = "5"
    & skf21("5","4","4","3","6","1","7","1") = "6"
    & skf21("5","4","4","3","6","2","1","1") = "5"
    & skf21("5","4","4","3","6","2","2","1") = "5"
    & skf21("5","4","4","3","6","2","3","1") = "5"
    & skf21("5","4","4","3","6","2","4","1") = "5"
    & skf21("5","4","4","3","6","2","5","1") = "5"
    & skf21("5","4","4","3","6","2","6","1") = "5"
    & skf21("5","4","4","3","6","2","7","1") = "6"
    & skf21("5","4","4","3","6","3","1","1") = "5"
    & skf21("5","4","4","3","6","3","2","1") = "5"
    & skf21("5","4","4","3","6","3","3","1") = "5"
    & skf21("5","4","4","3","6","3","4","1") = "5"
    & skf21("5","4","4","3","6","3","5","1") = "5"
    & skf21("5","4","4","3","6","3","6","1") = "5"
    & skf21("5","4","4","3","6","3","7","1") = "6"
    & skf21("5","4","4","3","6","4","1","1") = "5"
    & skf21("5","4","4","3","6","4","2","1") = "5"
    & skf21("5","4","4","3","6","4","3","1") = "5"
    & skf21("5","4","4","3","6","4","4","1") = "5"
    & skf21("5","4","4","3","6","4","5","1") = "5"
    & skf21("5","4","4","3","6","4","6","1") = "5"
    & skf21("5","4","4","3","6","4","7","1") = "6"
    & skf21("5","4","4","3","6","5","1","1") = "5"
    & skf21("5","4","4","3","6","5","2","1") = "5"
    & skf21("5","4","4","3","6","5","3","1") = "5"
    & skf21("5","4","4","3","6","5","4","1") = "5"
    & skf21("5","4","4","3","6","5","5","1") = "5"
    & skf21("5","4","4","3","6","5","6","1") = "5"
    & skf21("5","4","4","3","6","5","7","1") = "6"
    & skf21("5","4","4","3","6","6","1","1") = "5"
    & skf21("5","4","4","3","6","6","2","1") = "5"
    & skf21("5","4","4","3","6","6","3","1") = "5"
    & skf21("5","4","4","3","6","6","4","1") = "5"
    & skf21("5","4","4","3","6","6","5","1") = "5"
    & skf21("5","4","4","3","6","6","6","1") = "5"
    & skf21("5","4","4","3","6","6","7","1") = "6"
    & skf21("5","4","4","3","6","7","1","1") = "6"
    & skf21("5","4","4","3","6","7","2","1") = "6"
    & skf21("5","4","4","3","6","7","3","1") = "6"
    & skf21("5","4","4","3","6","7","4","1") = "6"
    & skf21("5","4","4","3","6","7","5","1") = "6"
    & skf21("5","4","4","3","6","7","6","1") = "6"
    & skf21("5","4","4","3","6","7","7","1") = "6"
    & skf21("5","4","4","3","7","1","1","1") = "6"
    & skf21("5","4","4","3","7","1","2","1") = "6"
    & skf21("5","4","4","3","7","1","3","1") = "6"
    & skf21("5","4","4","3","7","1","4","1") = "6"
    & skf21("5","4","4","3","7","1","5","1") = "6"
    & skf21("5","4","4","3","7","1","6","1") = "6"
    & skf21("5","4","4","3","7","1","7","1") = "6"
    & skf21("5","4","4","3","7","2","1","1") = "6"
    & skf21("5","4","4","3","7","2","2","1") = "6"
    & skf21("5","4","4","3","7","2","3","1") = "6"
    & skf21("5","4","4","3","7","2","4","1") = "6"
    & skf21("5","4","4","3","7","2","5","1") = "6"
    & skf21("5","4","4","3","7","2","6","1") = "6"
    & skf21("5","4","4","3","7","2","7","1") = "6"
    & skf21("5","4","4","3","7","3","1","1") = "6"
    & skf21("5","4","4","3","7","3","2","1") = "6"
    & skf21("5","4","4","3","7","3","3","1") = "6"
    & skf21("5","4","4","3","7","3","4","1") = "6"
    & skf21("5","4","4","3","7","3","5","1") = "6"
    & skf21("5","4","4","3","7","3","6","1") = "6"
    & skf21("5","4","4","3","7","3","7","1") = "6"
    & skf21("5","4","4","3","7","4","1","1") = "6"
    & skf21("5","4","4","3","7","4","2","1") = "6"
    & skf21("5","4","4","3","7","4","3","1") = "6"
    & skf21("5","4","4","3","7","4","4","1") = "6"
    & skf21("5","4","4","3","7","4","5","1") = "6"
    & skf21("5","4","4","3","7","4","6","1") = "6"
    & skf21("5","4","4","3","7","4","7","1") = "6"
    & skf21("5","4","4","3","7","5","1","1") = "6"
    & skf21("5","4","4","3","7","5","2","1") = "6"
    & skf21("5","4","4","3","7","5","3","1") = "6"
    & skf21("5","4","4","3","7","5","4","1") = "6"
    & skf21("5","4","4","3","7","5","5","1") = "6"
    & skf21("5","4","4","3","7","5","6","1") = "6"
    & skf21("5","4","4","3","7","5","7","1") = "6"
    & skf21("5","4","4","3","7","6","1","1") = "6"
    & skf21("5","4","4","3","7","6","2","1") = "6"
    & skf21("5","4","4","3","7","6","3","1") = "6"
    & skf21("5","4","4","3","7","6","4","1") = "6"
    & skf21("5","4","4","3","7","6","5","1") = "6"
    & skf21("5","4","4","3","7","6","6","1") = "6"
    & skf21("5","4","4","3","7","6","7","1") = "6"
    & skf21("5","4","4","3","7","7","1","1") = "6"
    & skf21("5","4","4","3","7","7","2","1") = "6"
    & skf21("5","4","4","3","7","7","3","1") = "6"
    & skf21("5","4","4","3","7","7","4","1") = "6"
    & skf21("5","4","4","3","7","7","5","1") = "6"
    & skf21("5","4","4","3","7","7","6","1") = "6"
    & skf21("5","4","4","3","7","7","7","1") = "6"
    & skf21("5","4","4","4","1","1","1","1") = "4"
    & skf21("5","4","4","4","1","1","2","1") = "4"
    & skf21("5","4","4","4","1","1","3","1") = "4"
    & skf21("5","4","4","4","1","1","4","1") = "4"
    & skf21("5","4","4","4","1","1","5","1") = "4"
    & skf21("5","4","4","4","1","1","6","1") = "5"
    & skf21("5","4","4","4","1","1","7","1") = "6"
    & skf21("5","4","4","4","1","2","1","1") = "4"
    & skf21("5","4","4","4","1","2","2","1") = "4"
    & skf21("5","4","4","4","1","2","3","1") = "4"
    & skf21("5","4","4","4","1","2","4","1") = "4"
    & skf21("5","4","4","4","1","2","5","1") = "4"
    & skf21("5","4","4","4","1","2","6","1") = "5"
    & skf21("5","4","4","4","1","2","7","1") = "6"
    & skf21("5","4","4","4","1","3","1","1") = "4"
    & skf21("5","4","4","4","1","3","2","1") = "4"
    & skf21("5","4","4","4","1","3","3","1") = "4"
    & skf21("5","4","4","4","1","3","4","1") = "4"
    & skf21("5","4","4","4","1","3","5","1") = "4"
    & skf21("5","4","4","4","1","3","6","1") = "5"
    & skf21("5","4","4","4","1","3","7","1") = "6"
    & skf21("5","4","4","4","1","4","1","1") = "4"
    & skf21("5","4","4","4","1","4","2","1") = "4"
    & skf21("5","4","4","4","1","4","3","1") = "4"
    & skf21("5","4","4","4","1","4","4","1") = "4"
    & skf21("5","4","4","4","1","4","5","1") = "4"
    & skf21("5","4","4","4","1","4","6","1") = "5"
    & skf21("5","4","4","4","1","4","7","1") = "6"
    & skf21("5","4","4","4","1","5","1","1") = "4"
    & skf21("5","4","4","4","1","5","2","1") = "4"
    & skf21("5","4","4","4","1","5","3","1") = "4"
    & skf21("5","4","4","4","1","5","4","1") = "4"
    & skf21("5","4","4","4","1","5","5","1") = "4"
    & skf21("5","4","4","4","1","5","6","1") = "5"
    & skf21("5","4","4","4","1","5","7","1") = "6"
    & skf21("5","4","4","4","1","6","1","1") = "5"
    & skf21("5","4","4","4","1","6","2","1") = "5"
    & skf21("5","4","4","4","1","6","3","1") = "5"
    & skf21("5","4","4","4","1","6","4","1") = "5"
    & skf21("5","4","4","4","1","6","5","1") = "5"
    & skf21("5","4","4","4","1","6","6","1") = "5"
    & skf21("5","4","4","4","1","6","7","1") = "6"
    & skf21("5","4","4","4","1","7","1","1") = "6"
    & skf21("5","4","4","4","1","7","2","1") = "6"
    & skf21("5","4","4","4","1","7","3","1") = "6"
    & skf21("5","4","4","4","1","7","4","1") = "6"
    & skf21("5","4","4","4","1","7","5","1") = "6"
    & skf21("5","4","4","4","1","7","6","1") = "6"
    & skf21("5","4","4","4","1","7","7","1") = "6"
    & skf21("5","4","4","4","2","1","1","1") = "4"
    & skf21("5","4","4","4","2","1","2","1") = "4"
    & skf21("5","4","4","4","2","1","3","1") = "4"
    & skf21("5","4","4","4","2","1","4","1") = "4"
    & skf21("5","4","4","4","2","1","5","1") = "4"
    & skf21("5","4","4","4","2","1","6","1") = "5"
    & skf21("5","4","4","4","2","1","7","1") = "6"
    & skf21("5","4","4","4","2","2","1","1") = "4"
    & skf21("5","4","4","4","2","2","2","1") = "4"
    & skf21("5","4","4","4","2","2","3","1") = "4"
    & skf21("5","4","4","4","2","2","4","1") = "4"
    & skf21("5","4","4","4","2","2","5","1") = "4"
    & skf21("5","4","4","4","2","2","6","1") = "5"
    & skf21("5","4","4","4","2","2","7","1") = "6"
    & skf21("5","4","4","4","2","3","1","1") = "4"
    & skf21("5","4","4","4","2","3","2","1") = "4"
    & skf21("5","4","4","4","2","3","3","1") = "4"
    & skf21("5","4","4","4","2","3","4","1") = "4"
    & skf21("5","4","4","4","2","3","5","1") = "4"
    & skf21("5","4","4","4","2","3","6","1") = "5"
    & skf21("5","4","4","4","2","3","7","1") = "6"
    & skf21("5","4","4","4","2","4","1","1") = "4"
    & skf21("5","4","4","4","2","4","2","1") = "4"
    & skf21("5","4","4","4","2","4","3","1") = "4"
    & skf21("5","4","4","4","2","4","4","1") = "4"
    & skf21("5","4","4","4","2","4","5","1") = "4"
    & skf21("5","4","4","4","2","4","6","1") = "5"
    & skf21("5","4","4","4","2","4","7","1") = "6"
    & skf21("5","4","4","4","2","5","1","1") = "4"
    & skf21("5","4","4","4","2","5","2","1") = "4"
    & skf21("5","4","4","4","2","5","3","1") = "4"
    & skf21("5","4","4","4","2","5","4","1") = "4"
    & skf21("5","4","4","4","2","5","5","1") = "4"
    & skf21("5","4","4","4","2","5","6","1") = "5"
    & skf21("5","4","4","4","2","5","7","1") = "6"
    & skf21("5","4","4","4","2","6","1","1") = "5"
    & skf21("5","4","4","4","2","6","2","1") = "5"
    & skf21("5","4","4","4","2","6","3","1") = "5"
    & skf21("5","4","4","4","2","6","4","1") = "5"
    & skf21("5","4","4","4","2","6","5","1") = "5"
    & skf21("5","4","4","4","2","6","6","1") = "5"
    & skf21("5","4","4","4","2","6","7","1") = "6"
    & skf21("5","4","4","4","2","7","1","1") = "6"
    & skf21("5","4","4","4","2","7","2","1") = "6"
    & skf21("5","4","4","4","2","7","3","1") = "6"
    & skf21("5","4","4","4","2","7","4","1") = "6"
    & skf21("5","4","4","4","2","7","5","1") = "6"
    & skf21("5","4","4","4","2","7","6","1") = "6"
    & skf21("5","4","4","4","2","7","7","1") = "6"
    & skf21("5","4","4","4","3","1","1","1") = "4"
    & skf21("5","4","4","4","3","1","2","1") = "4"
    & skf21("5","4","4","4","3","1","3","1") = "4"
    & skf21("5","4","4","4","3","1","4","1") = "4"
    & skf21("5","4","4","4","3","1","5","1") = "4"
    & skf21("5","4","4","4","3","1","6","1") = "5"
    & skf21("5","4","4","4","3","1","7","1") = "6"
    & skf21("5","4","4","4","3","2","1","1") = "4"
    & skf21("5","4","4","4","3","2","2","1") = "4"
    & skf21("5","4","4","4","3","2","3","1") = "4"
    & skf21("5","4","4","4","3","2","4","1") = "4"
    & skf21("5","4","4","4","3","2","5","1") = "4"
    & skf21("5","4","4","4","3","2","6","1") = "5"
    & skf21("5","4","4","4","3","2","7","1") = "6"
    & skf21("5","4","4","4","3","3","1","1") = "4"
    & skf21("5","4","4","4","3","3","2","1") = "4"
    & skf21("5","4","4","4","3","3","3","1") = "4"
    & skf21("5","4","4","4","3","3","4","1") = "4"
    & skf21("5","4","4","4","3","3","5","1") = "4"
    & skf21("5","4","4","4","3","3","6","1") = "5"
    & skf21("5","4","4","4","3","3","7","1") = "6"
    & skf21("5","4","4","4","3","4","1","1") = "4"
    & skf21("5","4","4","4","3","4","2","1") = "4"
    & skf21("5","4","4","4","3","4","3","1") = "4"
    & skf21("5","4","4","4","3","4","4","1") = "4"
    & skf21("5","4","4","4","3","4","5","1") = "4"
    & skf21("5","4","4","4","3","4","6","1") = "5"
    & skf21("5","4","4","4","3","4","7","1") = "6"
    & skf21("5","4","4","4","3","5","1","1") = "4"
    & skf21("5","4","4","4","3","5","2","1") = "4"
    & skf21("5","4","4","4","3","5","3","1") = "4"
    & skf21("5","4","4","4","3","5","4","1") = "4"
    & skf21("5","4","4","4","3","5","5","1") = "4"
    & skf21("5","4","4","4","3","5","6","1") = "5"
    & skf21("5","4","4","4","3","5","7","1") = "6"
    & skf21("5","4","4","4","3","6","1","1") = "5"
    & skf21("5","4","4","4","3","6","2","1") = "5"
    & skf21("5","4","4","4","3","6","3","1") = "5"
    & skf21("5","4","4","4","3","6","4","1") = "5"
    & skf21("5","4","4","4","3","6","5","1") = "5"
    & skf21("5","4","4","4","3","6","6","1") = "5"
    & skf21("5","4","4","4","3","6","7","1") = "6"
    & skf21("5","4","4","4","3","7","1","1") = "6"
    & skf21("5","4","4","4","3","7","2","1") = "6"
    & skf21("5","4","4","4","3","7","3","1") = "6"
    & skf21("5","4","4","4","3","7","4","1") = "6"
    & skf21("5","4","4","4","3","7","5","1") = "6"
    & skf21("5","4","4","4","3","7","6","1") = "6"
    & skf21("5","4","4","4","3","7","7","1") = "6"
    & skf21("5","4","4","4","4","1","1","1") = "4"
    & skf21("5","4","4","4","4","1","2","1") = "4"
    & skf21("5","4","4","4","4","1","3","1") = "4"
    & skf21("5","4","4","4","4","1","4","1") = "4"
    & skf21("5","4","4","4","4","1","5","1") = "4"
    & skf21("5","4","4","4","4","1","6","1") = "5"
    & skf21("5","4","4","4","4","1","7","1") = "6"
    & skf21("5","4","4","4","4","2","1","1") = "4"
    & skf21("5","4","4","4","4","2","2","1") = "4"
    & skf21("5","4","4","4","4","2","3","1") = "4"
    & skf21("5","4","4","4","4","2","4","1") = "4"
    & skf21("5","4","4","4","4","2","5","1") = "4"
    & skf21("5","4","4","4","4","2","6","1") = "5"
    & skf21("5","4","4","4","4","2","7","1") = "6"
    & skf21("5","4","4","4","4","3","1","1") = "4"
    & skf21("5","4","4","4","4","3","2","1") = "4"
    & skf21("5","4","4","4","4","3","3","1") = "4"
    & skf21("5","4","4","4","4","3","4","1") = "4"
    & skf21("5","4","4","4","4","3","5","1") = "4"
    & skf21("5","4","4","4","4","3","6","1") = "5"
    & skf21("5","4","4","4","4","3","7","1") = "6"
    & skf21("5","4","4","4","4","4","1","1") = "4"
    & skf21("5","4","4","4","4","4","2","1") = "4"
    & skf21("5","4","4","4","4","4","3","1") = "4"
    & skf21("5","4","4","4","4","4","4","1") = "4"
    & skf21("5","4","4","4","4","4","5","1") = "4"
    & skf21("5","4","4","4","4","4","6","1") = "5"
    & skf21("5","4","4","4","4","4","7","1") = "6"
    & skf21("5","4","4","4","4","5","1","1") = "4"
    & skf21("5","4","4","4","4","5","2","1") = "4"
    & skf21("5","4","4","4","4","5","3","1") = "4"
    & skf21("5","4","4","4","4","5","4","1") = "4"
    & skf21("5","4","4","4","4","5","5","1") = "4"
    & skf21("5","4","4","4","4","5","6","1") = "5"
    & skf21("5","4","4","4","4","5","7","1") = "6"
    & skf21("5","4","4","4","4","6","1","1") = "5"
    & skf21("5","4","4","4","4","6","2","1") = "5"
    & skf21("5","4","4","4","4","6","3","1") = "5"
    & skf21("5","4","4","4","4","6","4","1") = "5"
    & skf21("5","4","4","4","4","6","5","1") = "5"
    & skf21("5","4","4","4","4","6","6","1") = "5"
    & skf21("5","4","4","4","4","6","7","1") = "6"
    & skf21("5","4","4","4","4","7","1","1") = "6"
    & skf21("5","4","4","4","4","7","2","1") = "6"
    & skf21("5","4","4","4","4","7","3","1") = "6"
    & skf21("5","4","4","4","4","7","4","1") = "6"
    & skf21("5","4","4","4","4","7","5","1") = "6"
    & skf21("5","4","4","4","4","7","6","1") = "6"
    & skf21("5","4","4","4","4","7","7","1") = "6"
    & skf21("5","4","4","4","5","1","1","1") = "4"
    & skf21("5","4","4","4","5","1","2","1") = "4"
    & skf21("5","4","4","4","5","1","3","1") = "4"
    & skf21("5","4","4","4","5","1","4","1") = "4"
    & skf21("5","4","4","4","5","1","5","1") = "4"
    & skf21("5","4","4","4","5","1","6","1") = "5"
    & skf21("5","4","4","4","5","1","7","1") = "6"
    & skf21("5","4","4","4","5","2","1","1") = "4"
    & skf21("5","4","4","4","5","2","2","1") = "4"
    & skf21("5","4","4","4","5","2","3","1") = "4"
    & skf21("5","4","4","4","5","2","4","1") = "4"
    & skf21("5","4","4","4","5","2","5","1") = "4"
    & skf21("5","4","4","4","5","2","6","1") = "5"
    & skf21("5","4","4","4","5","2","7","1") = "6"
    & skf21("5","4","4","4","5","3","1","1") = "4"
    & skf21("5","4","4","4","5","3","2","1") = "4"
    & skf21("5","4","4","4","5","3","3","1") = "4"
    & skf21("5","4","4","4","5","3","4","1") = "4"
    & skf21("5","4","4","4","5","3","5","1") = "4"
    & skf21("5","4","4","4","5","3","6","1") = "5"
    & skf21("5","4","4","4","5","3","7","1") = "6"
    & skf21("5","4","4","4","5","4","1","1") = "4"
    & skf21("5","4","4","4","5","4","2","1") = "4"
    & skf21("5","4","4","4","5","4","3","1") = "4"
    & skf21("5","4","4","4","5","4","4","1") = "4"
    & skf21("5","4","4","4","5","4","5","1") = "4"
    & skf21("5","4","4","4","5","4","6","1") = "5"
    & skf21("5","4","4","4","5","4","7","1") = "6"
    & skf21("5","4","4","4","5","5","1","1") = "4"
    & skf21("5","4","4","4","5","5","2","1") = "4"
    & skf21("5","4","4","4","5","5","3","1") = "4"
    & skf21("5","4","4","4","5","5","4","1") = "4"
    & skf21("5","4","4","4","5","5","5","1") = "4"
    & skf21("5","4","4","4","5","5","6","1") = "5"
    & skf21("5","4","4","4","5","5","7","1") = "6"
    & skf21("5","4","4","4","5","6","1","1") = "5"
    & skf21("5","4","4","4","5","6","2","1") = "5"
    & skf21("5","4","4","4","5","6","3","1") = "5"
    & skf21("5","4","4","4","5","6","4","1") = "5"
    & skf21("5","4","4","4","5","6","5","1") = "5"
    & skf21("5","4","4","4","5","6","6","1") = "5"
    & skf21("5","4","4","4","5","6","7","1") = "6"
    & skf21("5","4","4","4","5","7","1","1") = "6"
    & skf21("5","4","4","4","5","7","2","1") = "6"
    & skf21("5","4","4","4","5","7","3","1") = "6"
    & skf21("5","4","4","4","5","7","4","1") = "6"
    & skf21("5","4","4","4","5","7","5","1") = "6"
    & skf21("5","4","4","4","5","7","6","1") = "6"
    & skf21("5","4","4","4","5","7","7","1") = "6"
    & skf21("5","4","4","4","6","1","1","1") = "5"
    & skf21("5","4","4","4","6","1","2","1") = "5"
    & skf21("5","4","4","4","6","1","3","1") = "5"
    & skf21("5","4","4","4","6","1","4","1") = "5"
    & skf21("5","4","4","4","6","1","5","1") = "5"
    & skf21("5","4","4","4","6","1","6","1") = "5"
    & skf21("5","4","4","4","6","1","7","1") = "6"
    & skf21("5","4","4","4","6","2","1","1") = "5"
    & skf21("5","4","4","4","6","2","2","1") = "5"
    & skf21("5","4","4","4","6","2","3","1") = "5"
    & skf21("5","4","4","4","6","2","4","1") = "5"
    & skf21("5","4","4","4","6","2","5","1") = "5"
    & skf21("5","4","4","4","6","2","6","1") = "5"
    & skf21("5","4","4","4","6","2","7","1") = "6"
    & skf21("5","4","4","4","6","3","1","1") = "5"
    & skf21("5","4","4","4","6","3","2","1") = "5"
    & skf21("5","4","4","4","6","3","3","1") = "5"
    & skf21("5","4","4","4","6","3","4","1") = "5"
    & skf21("5","4","4","4","6","3","5","1") = "5"
    & skf21("5","4","4","4","6","3","6","1") = "5"
    & skf21("5","4","4","4","6","3","7","1") = "6"
    & skf21("5","4","4","4","6","4","1","1") = "5"
    & skf21("5","4","4","4","6","4","2","1") = "5"
    & skf21("5","4","4","4","6","4","3","1") = "5"
    & skf21("5","4","4","4","6","4","4","1") = "5"
    & skf21("5","4","4","4","6","4","5","1") = "5"
    & skf21("5","4","4","4","6","4","6","1") = "5"
    & skf21("5","4","4","4","6","4","7","1") = "6"
    & skf21("5","4","4","4","6","5","1","1") = "5"
    & skf21("5","4","4","4","6","5","2","1") = "5"
    & skf21("5","4","4","4","6","5","3","1") = "5"
    & skf21("5","4","4","4","6","5","4","1") = "5"
    & skf21("5","4","4","4","6","5","5","1") = "5"
    & skf21("5","4","4","4","6","5","6","1") = "5"
    & skf21("5","4","4","4","6","5","7","1") = "6"
    & skf21("5","4","4","4","6","6","1","1") = "5"
    & skf21("5","4","4","4","6","6","2","1") = "5"
    & skf21("5","4","4","4","6","6","3","1") = "5"
    & skf21("5","4","4","4","6","6","4","1") = "5"
    & skf21("5","4","4","4","6","6","5","1") = "5"
    & skf21("5","4","4","4","6","6","6","1") = "5"
    & skf21("5","4","4","4","6","6","7","1") = "6"
    & skf21("5","4","4","4","6","7","1","1") = "6"
    & skf21("5","4","4","4","6","7","2","1") = "6"
    & skf21("5","4","4","4","6","7","3","1") = "6"
    & skf21("5","4","4","4","6","7","4","1") = "6"
    & skf21("5","4","4","4","6","7","5","1") = "6"
    & skf21("5","4","4","4","6","7","6","1") = "6"
    & skf21("5","4","4","4","6","7","7","1") = "6"
    & skf21("5","4","4","4","7","1","1","1") = "6"
    & skf21("5","4","4","4","7","1","2","1") = "6"
    & skf21("5","4","4","4","7","1","3","1") = "6"
    & skf21("5","4","4","4","7","1","4","1") = "6"
    & skf21("5","4","4","4","7","1","5","1") = "6"
    & skf21("5","4","4","4","7","1","6","1") = "6"
    & skf21("5","4","4","4","7","1","7","1") = "6"
    & skf21("5","4","4","4","7","2","1","1") = "6"
    & skf21("5","4","4","4","7","2","2","1") = "6"
    & skf21("5","4","4","4","7","2","3","1") = "6"
    & skf21("5","4","4","4","7","2","4","1") = "6"
    & skf21("5","4","4","4","7","2","5","1") = "6"
    & skf21("5","4","4","4","7","2","6","1") = "6"
    & skf21("5","4","4","4","7","2","7","1") = "6"
    & skf21("5","4","4","4","7","3","1","1") = "6"
    & skf21("5","4","4","4","7","3","2","1") = "6"
    & skf21("5","4","4","4","7","3","3","1") = "6"
    & skf21("5","4","4","4","7","3","4","1") = "6"
    & skf21("5","4","4","4","7","3","5","1") = "6"
    & skf21("5","4","4","4","7","3","6","1") = "6"
    & skf21("5","4","4","4","7","3","7","1") = "6"
    & skf21("5","4","4","4","7","4","1","1") = "6"
    & skf21("5","4","4","4","7","4","2","1") = "6"
    & skf21("5","4","4","4","7","4","3","1") = "6"
    & skf21("5","4","4","4","7","4","4","1") = "6"
    & skf21("5","4","4","4","7","4","5","1") = "6"
    & skf21("5","4","4","4","7","4","6","1") = "6"
    & skf21("5","4","4","4","7","4","7","1") = "6"
    & skf21("5","4","4","4","7","5","1","1") = "6"
    & skf21("5","4","4","4","7","5","2","1") = "6"
    & skf21("5","4","4","4","7","5","3","1") = "6"
    & skf21("5","4","4","4","7","5","4","1") = "6"
    & skf21("5","4","4","4","7","5","5","1") = "6"
    & skf21("5","4","4","4","7","5","6","1") = "6"
    & skf21("5","4","4","4","7","5","7","1") = "6"
    & skf21("5","4","4","4","7","6","1","1") = "6"
    & skf21("5","4","4","4","7","6","2","1") = "6"
    & skf21("5","4","4","4","7","6","3","1") = "6"
    & skf21("5","4","4","4","7","6","4","1") = "6"
    & skf21("5","4","4","4","7","6","5","1") = "6"
    & skf21("5","4","4","4","7","6","6","1") = "6"
    & skf21("5","4","4","4","7","6","7","1") = "6"
    & skf21("5","4","4","4","7","7","1","1") = "6"
    & skf21("5","4","4","4","7","7","2","1") = "6"
    & skf21("5","4","4","4","7","7","3","1") = "6"
    & skf21("5","4","4","4","7","7","4","1") = "6"
    & skf21("5","4","4","4","7","7","5","1") = "6"
    & skf21("5","4","4","4","7","7","6","1") = "6"
    & skf21("5","4","4","4","7","7","7","1") = "6"
    & skf21("5","4","4","5","1","1","1","1") = "4"
    & skf21("5","4","4","5","1","1","2","1") = "4"
    & skf21("5","4","4","5","1","1","3","1") = "4"
    & skf21("5","4","4","5","1","1","4","1") = "4"
    & skf21("5","4","4","5","1","1","5","1") = "4"
    & skf21("5","4","4","5","1","1","6","1") = "5"
    & skf21("5","4","4","5","1","1","7","1") = "6"
    & skf21("5","4","4","5","1","2","1","1") = "4"
    & skf21("5","4","4","5","1","2","2","1") = "4"
    & skf21("5","4","4","5","1","2","3","1") = "4"
    & skf21("5","4","4","5","1","2","4","1") = "4"
    & skf21("5","4","4","5","1","2","5","1") = "4"
    & skf21("5","4","4","5","1","2","6","1") = "5"
    & skf21("5","4","4","5","1","2","7","1") = "6"
    & skf21("5","4","4","5","1","3","1","1") = "4"
    & skf21("5","4","4","5","1","3","2","1") = "4"
    & skf21("5","4","4","5","1","3","3","1") = "4"
    & skf21("5","4","4","5","1","3","4","1") = "4"
    & skf21("5","4","4","5","1","3","5","1") = "4"
    & skf21("5","4","4","5","1","3","6","1") = "5"
    & skf21("5","4","4","5","1","3","7","1") = "6"
    & skf21("5","4","4","5","1","4","1","1") = "4"
    & skf21("5","4","4","5","1","4","2","1") = "4"
    & skf21("5","4","4","5","1","4","3","1") = "4"
    & skf21("5","4","4","5","1","4","4","1") = "4"
    & skf21("5","4","4","5","1","4","5","1") = "4"
    & skf21("5","4","4","5","1","4","6","1") = "5"
    & skf21("5","4","4","5","1","4","7","1") = "6"
    & skf21("5","4","4","5","1","5","1","1") = "4"
    & skf21("5","4","4","5","1","5","2","1") = "4"
    & skf21("5","4","4","5","1","5","3","1") = "4"
    & skf21("5","4","4","5","1","5","4","1") = "4"
    & skf21("5","4","4","5","1","5","5","1") = "4"
    & skf21("5","4","4","5","1","5","6","1") = "5"
    & skf21("5","4","4","5","1","5","7","1") = "6"
    & skf21("5","4","4","5","1","6","1","1") = "5"
    & skf21("5","4","4","5","1","6","2","1") = "5"
    & skf21("5","4","4","5","1","6","3","1") = "5"
    & skf21("5","4","4","5","1","6","4","1") = "5"
    & skf21("5","4","4","5","1","6","5","1") = "5"
    & skf21("5","4","4","5","1","6","6","1") = "5"
    & skf21("5","4","4","5","1","6","7","1") = "6"
    & skf21("5","4","4","5","1","7","1","1") = "6"
    & skf21("5","4","4","5","1","7","2","1") = "6"
    & skf21("5","4","4","5","1","7","3","1") = "6"
    & skf21("5","4","4","5","1","7","4","1") = "6"
    & skf21("5","4","4","5","1","7","5","1") = "6"
    & skf21("5","4","4","5","1","7","6","1") = "6"
    & skf21("5","4","4","5","1","7","7","1") = "6"
    & skf21("5","4","4","5","2","1","1","1") = "4"
    & skf21("5","4","4","5","2","1","2","1") = "4"
    & skf21("5","4","4","5","2","1","3","1") = "4"
    & skf21("5","4","4","5","2","1","4","1") = "4"
    & skf21("5","4","4","5","2","1","5","1") = "4"
    & skf21("5","4","4","5","2","1","6","1") = "5"
    & skf21("5","4","4","5","2","1","7","1") = "6"
    & skf21("5","4","4","5","2","2","1","1") = "4"
    & skf21("5","4","4","5","2","2","2","1") = "4"
    & skf21("5","4","4","5","2","2","3","1") = "4"
    & skf21("5","4","4","5","2","2","4","1") = "4"
    & skf21("5","4","4","5","2","2","5","1") = "4"
    & skf21("5","4","4","5","2","2","6","1") = "5"
    & skf21("5","4","4","5","2","2","7","1") = "6"
    & skf21("5","4","4","5","2","3","1","1") = "4"
    & skf21("5","4","4","5","2","3","2","1") = "4"
    & skf21("5","4","4","5","2","3","3","1") = "4"
    & skf21("5","4","4","5","2","3","4","1") = "4"
    & skf21("5","4","4","5","2","3","5","1") = "4"
    & skf21("5","4","4","5","2","3","6","1") = "5"
    & skf21("5","4","4","5","2","3","7","1") = "6"
    & skf21("5","4","4","5","2","4","1","1") = "4"
    & skf21("5","4","4","5","2","4","2","1") = "4"
    & skf21("5","4","4","5","2","4","3","1") = "4"
    & skf21("5","4","4","5","2","4","4","1") = "4"
    & skf21("5","4","4","5","2","4","5","1") = "4"
    & skf21("5","4","4","5","2","4","6","1") = "5"
    & skf21("5","4","4","5","2","4","7","1") = "6"
    & skf21("5","4","4","5","2","5","1","1") = "4"
    & skf21("5","4","4","5","2","5","2","1") = "4"
    & skf21("5","4","4","5","2","5","3","1") = "4"
    & skf21("5","4","4","5","2","5","4","1") = "4"
    & skf21("5","4","4","5","2","5","5","1") = "4"
    & skf21("5","4","4","5","2","5","6","1") = "5"
    & skf21("5","4","4","5","2","5","7","1") = "6"
    & skf21("5","4","4","5","2","6","1","1") = "5"
    & skf21("5","4","4","5","2","6","2","1") = "5"
    & skf21("5","4","4","5","2","6","3","1") = "5"
    & skf21("5","4","4","5","2","6","4","1") = "5"
    & skf21("5","4","4","5","2","6","5","1") = "5"
    & skf21("5","4","4","5","2","6","6","1") = "5"
    & skf21("5","4","4","5","2","6","7","1") = "6"
    & skf21("5","4","4","5","2","7","1","1") = "6"
    & skf21("5","4","4","5","2","7","2","1") = "6"
    & skf21("5","4","4","5","2","7","3","1") = "6"
    & skf21("5","4","4","5","2","7","4","1") = "6"
    & skf21("5","4","4","5","2","7","5","1") = "6"
    & skf21("5","4","4","5","2","7","6","1") = "6"
    & skf21("5","4","4","5","2","7","7","1") = "6"
    & skf21("5","4","4","5","3","1","1","1") = "4"
    & skf21("5","4","4","5","3","1","2","1") = "4"
    & skf21("5","4","4","5","3","1","3","1") = "4"
    & skf21("5","4","4","5","3","1","4","1") = "4"
    & skf21("5","4","4","5","3","1","5","1") = "4"
    & skf21("5","4","4","5","3","1","6","1") = "5"
    & skf21("5","4","4","5","3","1","7","1") = "6"
    & skf21("5","4","4","5","3","2","1","1") = "4"
    & skf21("5","4","4","5","3","2","2","1") = "4"
    & skf21("5","4","4","5","3","2","3","1") = "4"
    & skf21("5","4","4","5","3","2","4","1") = "4"
    & skf21("5","4","4","5","3","2","5","1") = "4"
    & skf21("5","4","4","5","3","2","6","1") = "5"
    & skf21("5","4","4","5","3","2","7","1") = "6"
    & skf21("5","4","4","5","3","3","1","1") = "4"
    & skf21("5","4","4","5","3","3","2","1") = "4"
    & skf21("5","4","4","5","3","3","3","1") = "4"
    & skf21("5","4","4","5","3","3","4","1") = "4"
    & skf21("5","4","4","5","3","3","5","1") = "4"
    & skf21("5","4","4","5","3","3","6","1") = "5"
    & skf21("5","4","4","5","3","3","7","1") = "6"
    & skf21("5","4","4","5","3","4","1","1") = "4"
    & skf21("5","4","4","5","3","4","2","1") = "4"
    & skf21("5","4","4","5","3","4","3","1") = "4"
    & skf21("5","4","4","5","3","4","4","1") = "4"
    & skf21("5","4","4","5","3","4","5","1") = "4"
    & skf21("5","4","4","5","3","4","6","1") = "5"
    & skf21("5","4","4","5","3","4","7","1") = "6"
    & skf21("5","4","4","5","3","5","1","1") = "4"
    & skf21("5","4","4","5","3","5","2","1") = "4"
    & skf21("5","4","4","5","3","5","3","1") = "4"
    & skf21("5","4","4","5","3","5","4","1") = "4"
    & skf21("5","4","4","5","3","5","5","1") = "4"
    & skf21("5","4","4","5","3","5","6","1") = "5"
    & skf21("5","4","4","5","3","5","7","1") = "6"
    & skf21("5","4","4","5","3","6","1","1") = "5"
    & skf21("5","4","4","5","3","6","2","1") = "5"
    & skf21("5","4","4","5","3","6","3","1") = "5"
    & skf21("5","4","4","5","3","6","4","1") = "5"
    & skf21("5","4","4","5","3","6","5","1") = "5"
    & skf21("5","4","4","5","3","6","6","1") = "5"
    & skf21("5","4","4","5","3","6","7","1") = "6"
    & skf21("5","4","4","5","3","7","1","1") = "6"
    & skf21("5","4","4","5","3","7","2","1") = "6"
    & skf21("5","4","4","5","3","7","3","1") = "6"
    & skf21("5","4","4","5","3","7","4","1") = "6"
    & skf21("5","4","4","5","3","7","5","1") = "6"
    & skf21("5","4","4","5","3","7","6","1") = "6"
    & skf21("5","4","4","5","3","7","7","1") = "6"
    & skf21("5","4","4","5","4","1","1","1") = "4"
    & skf21("5","4","4","5","4","1","2","1") = "4"
    & skf21("5","4","4","5","4","1","3","1") = "4"
    & skf21("5","4","4","5","4","1","4","1") = "4"
    & skf21("5","4","4","5","4","1","5","1") = "4"
    & skf21("5","4","4","5","4","1","6","1") = "5"
    & skf21("5","4","4","5","4","1","7","1") = "6"
    & skf21("5","4","4","5","4","2","1","1") = "4"
    & skf21("5","4","4","5","4","2","2","1") = "4"
    & skf21("5","4","4","5","4","2","3","1") = "4"
    & skf21("5","4","4","5","4","2","4","1") = "4"
    & skf21("5","4","4","5","4","2","5","1") = "4"
    & skf21("5","4","4","5","4","2","6","1") = "5"
    & skf21("5","4","4","5","4","2","7","1") = "6"
    & skf21("5","4","4","5","4","3","1","1") = "4"
    & skf21("5","4","4","5","4","3","2","1") = "4"
    & skf21("5","4","4","5","4","3","3","1") = "4"
    & skf21("5","4","4","5","4","3","4","1") = "4"
    & skf21("5","4","4","5","4","3","5","1") = "4"
    & skf21("5","4","4","5","4","3","6","1") = "5"
    & skf21("5","4","4","5","4","3","7","1") = "6"
    & skf21("5","4","4","5","4","4","1","1") = "4"
    & skf21("5","4","4","5","4","4","2","1") = "4"
    & skf21("5","4","4","5","4","4","3","1") = "4"
    & skf21("5","4","4","5","4","4","4","1") = "4"
    & skf21("5","4","4","5","4","4","5","1") = "4"
    & skf21("5","4","4","5","4","4","6","1") = "5"
    & skf21("5","4","4","5","4","4","7","1") = "6"
    & skf21("5","4","4","5","4","5","1","1") = "4"
    & skf21("5","4","4","5","4","5","2","1") = "4"
    & skf21("5","4","4","5","4","5","3","1") = "4"
    & skf21("5","4","4","5","4","5","4","1") = "4"
    & skf21("5","4","4","5","4","5","5","1") = "4"
    & skf21("5","4","4","5","4","5","6","1") = "5"
    & skf21("5","4","4","5","4","5","7","1") = "6"
    & skf21("5","4","4","5","4","6","1","1") = "5"
    & skf21("5","4","4","5","4","6","2","1") = "5"
    & skf21("5","4","4","5","4","6","3","1") = "5"
    & skf21("5","4","4","5","4","6","4","1") = "5"
    & skf21("5","4","4","5","4","6","5","1") = "5"
    & skf21("5","4","4","5","4","6","6","1") = "5"
    & skf21("5","4","4","5","4","6","7","1") = "6"
    & skf21("5","4","4","5","4","7","1","1") = "6"
    & skf21("5","4","4","5","4","7","2","1") = "6"
    & skf21("5","4","4","5","4","7","3","1") = "6"
    & skf21("5","4","4","5","4","7","4","1") = "6"
    & skf21("5","4","4","5","4","7","5","1") = "6"
    & skf21("5","4","4","5","4","7","6","1") = "6"
    & skf21("5","4","4","5","4","7","7","1") = "6"
    & skf21("5","4","4","5","5","1","1","1") = "4"
    & skf21("5","4","4","5","5","1","2","1") = "4"
    & skf21("5","4","4","5","5","1","3","1") = "4"
    & skf21("5","4","4","5","5","1","4","1") = "4"
    & skf21("5","4","4","5","5","1","5","1") = "4"
    & skf21("5","4","4","5","5","1","6","1") = "5"
    & skf21("5","4","4","5","5","1","7","1") = "6"
    & skf21("5","4","4","5","5","2","1","1") = "4"
    & skf21("5","4","4","5","5","2","2","1") = "4"
    & skf21("5","4","4","5","5","2","3","1") = "4"
    & skf21("5","4","4","5","5","2","4","1") = "4"
    & skf21("5","4","4","5","5","2","5","1") = "4"
    & skf21("5","4","4","5","5","2","6","1") = "5"
    & skf21("5","4","4","5","5","2","7","1") = "6"
    & skf21("5","4","4","5","5","3","1","1") = "4"
    & skf21("5","4","4","5","5","3","2","1") = "4"
    & skf21("5","4","4","5","5","3","3","1") = "4"
    & skf21("5","4","4","5","5","3","4","1") = "4"
    & skf21("5","4","4","5","5","3","5","1") = "4"
    & skf21("5","4","4","5","5","3","6","1") = "5"
    & skf21("5","4","4","5","5","3","7","1") = "6"
    & skf21("5","4","4","5","5","4","1","1") = "4"
    & skf21("5","4","4","5","5","4","2","1") = "4"
    & skf21("5","4","4","5","5","4","3","1") = "4"
    & skf21("5","4","4","5","5","4","4","1") = "4"
    & skf21("5","4","4","5","5","4","5","1") = "4"
    & skf21("5","4","4","5","5","4","6","1") = "5"
    & skf21("5","4","4","5","5","4","7","1") = "6"
    & skf21("5","4","4","5","5","5","1","1") = "4"
    & skf21("5","4","4","5","5","5","2","1") = "4"
    & skf21("5","4","4","5","5","5","3","1") = "4"
    & skf21("5","4","4","5","5","5","4","1") = "4"
    & skf21("5","4","4","5","5","5","5","1") = "4"
    & skf21("5","4","4","5","5","5","6","1") = "5"
    & skf21("5","4","4","5","5","5","7","1") = "6"
    & skf21("5","4","4","5","5","6","1","1") = "5"
    & skf21("5","4","4","5","5","6","2","1") = "5"
    & skf21("5","4","4","5","5","6","3","1") = "5"
    & skf21("5","4","4","5","5","6","4","1") = "5"
    & skf21("5","4","4","5","5","6","5","1") = "5"
    & skf21("5","4","4","5","5","6","6","1") = "5"
    & skf21("5","4","4","5","5","6","7","1") = "6"
    & skf21("5","4","4","5","5","7","1","1") = "6"
    & skf21("5","4","4","5","5","7","2","1") = "6"
    & skf21("5","4","4","5","5","7","3","1") = "6"
    & skf21("5","4","4","5","5","7","4","1") = "6"
    & skf21("5","4","4","5","5","7","5","1") = "6"
    & skf21("5","4","4","5","5","7","6","1") = "6"
    & skf21("5","4","4","5","5","7","7","1") = "6"
    & skf21("5","4","4","5","6","1","1","1") = "5"
    & skf21("5","4","4","5","6","1","2","1") = "5"
    & skf21("5","4","4","5","6","1","3","1") = "5"
    & skf21("5","4","4","5","6","1","4","1") = "5"
    & skf21("5","4","4","5","6","1","5","1") = "5"
    & skf21("5","4","4","5","6","1","6","1") = "5"
    & skf21("5","4","4","5","6","1","7","1") = "6"
    & skf21("5","4","4","5","6","2","1","1") = "5"
    & skf21("5","4","4","5","6","2","2","1") = "5"
    & skf21("5","4","4","5","6","2","3","1") = "5"
    & skf21("5","4","4","5","6","2","4","1") = "5"
    & skf21("5","4","4","5","6","2","5","1") = "5"
    & skf21("5","4","4","5","6","2","6","1") = "5"
    & skf21("5","4","4","5","6","2","7","1") = "6"
    & skf21("5","4","4","5","6","3","1","1") = "5"
    & skf21("5","4","4","5","6","3","2","1") = "5"
    & skf21("5","4","4","5","6","3","3","1") = "5"
    & skf21("5","4","4","5","6","3","4","1") = "5"
    & skf21("5","4","4","5","6","3","5","1") = "5"
    & skf21("5","4","4","5","6","3","6","1") = "5"
    & skf21("5","4","4","5","6","3","7","1") = "6"
    & skf21("5","4","4","5","6","4","1","1") = "5"
    & skf21("5","4","4","5","6","4","2","1") = "5"
    & skf21("5","4","4","5","6","4","3","1") = "5"
    & skf21("5","4","4","5","6","4","4","1") = "5"
    & skf21("5","4","4","5","6","4","5","1") = "5"
    & skf21("5","4","4","5","6","4","6","1") = "5"
    & skf21("5","4","4","5","6","4","7","1") = "6"
    & skf21("5","4","4","5","6","5","1","1") = "5"
    & skf21("5","4","4","5","6","5","2","1") = "5"
    & skf21("5","4","4","5","6","5","3","1") = "5"
    & skf21("5","4","4","5","6","5","4","1") = "5"
    & skf21("5","4","4","5","6","5","5","1") = "5"
    & skf21("5","4","4","5","6","5","6","1") = "5"
    & skf21("5","4","4","5","6","5","7","1") = "6"
    & skf21("5","4","4","5","6","6","1","1") = "5"
    & skf21("5","4","4","5","6","6","2","1") = "5"
    & skf21("5","4","4","5","6","6","3","1") = "5"
    & skf21("5","4","4","5","6","6","4","1") = "5"
    & skf21("5","4","4","5","6","6","5","1") = "5"
    & skf21("5","4","4","5","6","6","6","1") = "5"
    & skf21("5","4","4","5","6","6","7","1") = "6"
    & skf21("5","4","4","5","6","7","1","1") = "6"
    & skf21("5","4","4","5","6","7","2","1") = "6"
    & skf21("5","4","4","5","6","7","3","1") = "6"
    & skf21("5","4","4","5","6","7","4","1") = "6"
    & skf21("5","4","4","5","6","7","5","1") = "6"
    & skf21("5","4","4","5","6","7","6","1") = "6"
    & skf21("5","4","4","5","6","7","7","1") = "6"
    & skf21("5","4","4","5","7","1","1","1") = "6"
    & skf21("5","4","4","5","7","1","2","1") = "6"
    & skf21("5","4","4","5","7","1","3","1") = "6"
    & skf21("5","4","4","5","7","1","4","1") = "6"
    & skf21("5","4","4","5","7","1","5","1") = "6"
    & skf21("5","4","4","5","7","1","6","1") = "6"
    & skf21("5","4","4","5","7","1","7","1") = "6"
    & skf21("5","4","4","5","7","2","1","1") = "6"
    & skf21("5","4","4","5","7","2","2","1") = "6"
    & skf21("5","4","4","5","7","2","3","1") = "6"
    & skf21("5","4","4","5","7","2","4","1") = "6"
    & skf21("5","4","4","5","7","2","5","1") = "6"
    & skf21("5","4","4","5","7","2","6","1") = "6"
    & skf21("5","4","4","5","7","2","7","1") = "6"
    & skf21("5","4","4","5","7","3","1","1") = "6"
    & skf21("5","4","4","5","7","3","2","1") = "6"
    & skf21("5","4","4","5","7","3","3","1") = "6"
    & skf21("5","4","4","5","7","3","4","1") = "6"
    & skf21("5","4","4","5","7","3","5","1") = "6"
    & skf21("5","4","4","5","7","3","6","1") = "6"
    & skf21("5","4","4","5","7","3","7","1") = "6"
    & skf21("5","4","4","5","7","4","1","1") = "6"
    & skf21("5","4","4","5","7","4","2","1") = "6"
    & skf21("5","4","4","5","7","4","3","1") = "6"
    & skf21("5","4","4","5","7","4","4","1") = "6"
    & skf21("5","4","4","5","7","4","5","1") = "6"
    & skf21("5","4","4","5","7","4","6","1") = "6"
    & skf21("5","4","4","5","7","4","7","1") = "6"
    & skf21("5","4","4","5","7","5","1","1") = "6"
    & skf21("5","4","4","5","7","5","2","1") = "6"
    & skf21("5","4","4","5","7","5","3","1") = "6"
    & skf21("5","4","4","5","7","5","4","1") = "6"
    & skf21("5","4","4","5","7","5","5","1") = "6"
    & skf21("5","4","4","5","7","5","6","1") = "6"
    & skf21("5","4","4","5","7","5","7","1") = "6"
    & skf21("5","4","4","5","7","6","1","1") = "6"
    & skf21("5","4","4","5","7","6","2","1") = "6"
    & skf21("5","4","4","5","7","6","3","1") = "6"
    & skf21("5","4","4","5","7","6","4","1") = "6"
    & skf21("5","4","4","5","7","6","5","1") = "6"
    & skf21("5","4","4","5","7","6","6","1") = "6"
    & skf21("5","4","4","5","7","6","7","1") = "6"
    & skf21("5","4","4","5","7","7","1","1") = "6"
    & skf21("5","4","4","5","7","7","2","1") = "6"
    & skf21("5","4","4","5","7","7","3","1") = "6"
    & skf21("5","4","4","5","7","7","4","1") = "6"
    & skf21("5","4","4","5","7","7","5","1") = "6"
    & skf21("5","4","4","5","7","7","6","1") = "6"
    & skf21("5","4","4","5","7","7","7","1") = "6"
    & skf21("5","4","4","6","1","1","1","1") = "5"
    & skf21("5","4","4","6","1","1","2","1") = "5"
    & skf21("5","4","4","6","1","1","3","1") = "5"
    & skf21("5","4","4","6","1","1","4","1") = "5"
    & skf21("5","4","4","6","1","1","5","1") = "5"
    & skf21("5","4","4","6","1","1","6","1") = "5"
    & skf21("5","4","4","6","1","1","7","1") = "6"
    & skf21("5","4","4","6","1","2","1","1") = "5"
    & skf21("5","4","4","6","1","2","2","1") = "5"
    & skf21("5","4","4","6","1","2","3","1") = "5"
    & skf21("5","4","4","6","1","2","4","1") = "5"
    & skf21("5","4","4","6","1","2","5","1") = "5"
    & skf21("5","4","4","6","1","2","6","1") = "5"
    & skf21("5","4","4","6","1","2","7","1") = "6"
    & skf21("5","4","4","6","1","3","1","1") = "5"
    & skf21("5","4","4","6","1","3","2","1") = "5"
    & skf21("5","4","4","6","1","3","3","1") = "5"
    & skf21("5","4","4","6","1","3","4","1") = "5"
    & skf21("5","4","4","6","1","3","5","1") = "5"
    & skf21("5","4","4","6","1","3","6","1") = "5"
    & skf21("5","4","4","6","1","3","7","1") = "6"
    & skf21("5","4","4","6","1","4","1","1") = "5"
    & skf21("5","4","4","6","1","4","2","1") = "5"
    & skf21("5","4","4","6","1","4","3","1") = "5"
    & skf21("5","4","4","6","1","4","4","1") = "5"
    & skf21("5","4","4","6","1","4","5","1") = "5"
    & skf21("5","4","4","6","1","4","6","1") = "5"
    & skf21("5","4","4","6","1","4","7","1") = "6"
    & skf21("5","4","4","6","1","5","1","1") = "5"
    & skf21("5","4","4","6","1","5","2","1") = "5"
    & skf21("5","4","4","6","1","5","3","1") = "5"
    & skf21("5","4","4","6","1","5","4","1") = "5"
    & skf21("5","4","4","6","1","5","5","1") = "5"
    & skf21("5","4","4","6","1","5","6","1") = "5"
    & skf21("5","4","4","6","1","5","7","1") = "6"
    & skf21("5","4","4","6","1","6","1","1") = "5"
    & skf21("5","4","4","6","1","6","2","1") = "5"
    & skf21("5","4","4","6","1","6","3","1") = "5"
    & skf21("5","4","4","6","1","6","4","1") = "5"
    & skf21("5","4","4","6","1","6","5","1") = "5"
    & skf21("5","4","4","6","1","6","6","1") = "5"
    & skf21("5","4","4","6","1","6","7","1") = "6"
    & skf21("5","4","4","6","1","7","1","1") = "6"
    & skf21("5","4","4","6","1","7","2","1") = "6"
    & skf21("5","4","4","6","1","7","3","1") = "6"
    & skf21("5","4","4","6","1","7","4","1") = "6"
    & skf21("5","4","4","6","1","7","5","1") = "6"
    & skf21("5","4","4","6","1","7","6","1") = "6"
    & skf21("5","4","4","6","1","7","7","1") = "6"
    & skf21("5","4","4","6","2","1","1","1") = "5"
    & skf21("5","4","4","6","2","1","2","1") = "5"
    & skf21("5","4","4","6","2","1","3","1") = "5"
    & skf21("5","4","4","6","2","1","4","1") = "5"
    & skf21("5","4","4","6","2","1","5","1") = "5"
    & skf21("5","4","4","6","2","1","6","1") = "5"
    & skf21("5","4","4","6","2","1","7","1") = "6"
    & skf21("5","4","4","6","2","2","1","1") = "5"
    & skf21("5","4","4","6","2","2","2","1") = "5"
    & skf21("5","4","4","6","2","2","3","1") = "5"
    & skf21("5","4","4","6","2","2","4","1") = "5"
    & skf21("5","4","4","6","2","2","5","1") = "5"
    & skf21("5","4","4","6","2","2","6","1") = "5"
    & skf21("5","4","4","6","2","2","7","1") = "6"
    & skf21("5","4","4","6","2","3","1","1") = "5"
    & skf21("5","4","4","6","2","3","2","1") = "5"
    & skf21("5","4","4","6","2","3","3","1") = "5"
    & skf21("5","4","4","6","2","3","4","1") = "5"
    & skf21("5","4","4","6","2","3","5","1") = "5"
    & skf21("5","4","4","6","2","3","6","1") = "5"
    & skf21("5","4","4","6","2","3","7","1") = "6"
    & skf21("5","4","4","6","2","4","1","1") = "5"
    & skf21("5","4","4","6","2","4","2","1") = "5"
    & skf21("5","4","4","6","2","4","3","1") = "5"
    & skf21("5","4","4","6","2","4","4","1") = "5"
    & skf21("5","4","4","6","2","4","5","1") = "5"
    & skf21("5","4","4","6","2","4","6","1") = "5"
    & skf21("5","4","4","6","2","4","7","1") = "6"
    & skf21("5","4","4","6","2","5","1","1") = "5"
    & skf21("5","4","4","6","2","5","2","1") = "5"
    & skf21("5","4","4","6","2","5","3","1") = "5"
    & skf21("5","4","4","6","2","5","4","1") = "5"
    & skf21("5","4","4","6","2","5","5","1") = "5"
    & skf21("5","4","4","6","2","5","6","1") = "5"
    & skf21("5","4","4","6","2","5","7","1") = "6"
    & skf21("5","4","4","6","2","6","1","1") = "5"
    & skf21("5","4","4","6","2","6","2","1") = "5"
    & skf21("5","4","4","6","2","6","3","1") = "5"
    & skf21("5","4","4","6","2","6","4","1") = "5"
    & skf21("5","4","4","6","2","6","5","1") = "5"
    & skf21("5","4","4","6","2","6","6","1") = "5"
    & skf21("5","4","4","6","2","6","7","1") = "6"
    & skf21("5","4","4","6","2","7","1","1") = "6"
    & skf21("5","4","4","6","2","7","2","1") = "6"
    & skf21("5","4","4","6","2","7","3","1") = "6"
    & skf21("5","4","4","6","2","7","4","1") = "6"
    & skf21("5","4","4","6","2","7","5","1") = "6"
    & skf21("5","4","4","6","2","7","6","1") = "6"
    & skf21("5","4","4","6","2","7","7","1") = "6"
    & skf21("5","4","4","6","3","1","1","1") = "5"
    & skf21("5","4","4","6","3","1","2","1") = "5"
    & skf21("5","4","4","6","3","1","3","1") = "5"
    & skf21("5","4","4","6","3","1","4","1") = "5"
    & skf21("5","4","4","6","3","1","5","1") = "5"
    & skf21("5","4","4","6","3","1","6","1") = "5"
    & skf21("5","4","4","6","3","1","7","1") = "6"
    & skf21("5","4","4","6","3","2","1","1") = "5"
    & skf21("5","4","4","6","3","2","2","1") = "5"
    & skf21("5","4","4","6","3","2","3","1") = "5"
    & skf21("5","4","4","6","3","2","4","1") = "5"
    & skf21("5","4","4","6","3","2","5","1") = "5"
    & skf21("5","4","4","6","3","2","6","1") = "5"
    & skf21("5","4","4","6","3","2","7","1") = "6"
    & skf21("5","4","4","6","3","3","1","1") = "5"
    & skf21("5","4","4","6","3","3","2","1") = "5"
    & skf21("5","4","4","6","3","3","3","1") = "5"
    & skf21("5","4","4","6","3","3","4","1") = "5"
    & skf21("5","4","4","6","3","3","5","1") = "5"
    & skf21("5","4","4","6","3","3","6","1") = "5"
    & skf21("5","4","4","6","3","3","7","1") = "6"
    & skf21("5","4","4","6","3","4","1","1") = "5"
    & skf21("5","4","4","6","3","4","2","1") = "5"
    & skf21("5","4","4","6","3","4","3","1") = "5"
    & skf21("5","4","4","6","3","4","4","1") = "5"
    & skf21("5","4","4","6","3","4","5","1") = "5"
    & skf21("5","4","4","6","3","4","6","1") = "5"
    & skf21("5","4","4","6","3","4","7","1") = "6"
    & skf21("5","4","4","6","3","5","1","1") = "5"
    & skf21("5","4","4","6","3","5","2","1") = "5"
    & skf21("5","4","4","6","3","5","3","1") = "5"
    & skf21("5","4","4","6","3","5","4","1") = "5"
    & skf21("5","4","4","6","3","5","5","1") = "5"
    & skf21("5","4","4","6","3","5","6","1") = "5"
    & skf21("5","4","4","6","3","5","7","1") = "6"
    & skf21("5","4","4","6","3","6","1","1") = "5"
    & skf21("5","4","4","6","3","6","2","1") = "5"
    & skf21("5","4","4","6","3","6","3","1") = "5"
    & skf21("5","4","4","6","3","6","4","1") = "5"
    & skf21("5","4","4","6","3","6","5","1") = "5"
    & skf21("5","4","4","6","3","6","6","1") = "5"
    & skf21("5","4","4","6","3","6","7","1") = "6"
    & skf21("5","4","4","6","3","7","1","1") = "6"
    & skf21("5","4","4","6","3","7","2","1") = "6"
    & skf21("5","4","4","6","3","7","3","1") = "6"
    & skf21("5","4","4","6","3","7","4","1") = "6"
    & skf21("5","4","4","6","3","7","5","1") = "6"
    & skf21("5","4","4","6","3","7","6","1") = "6"
    & skf21("5","4","4","6","3","7","7","1") = "6"
    & skf21("5","4","4","6","4","1","1","1") = "5"
    & skf21("5","4","4","6","4","1","2","1") = "5"
    & skf21("5","4","4","6","4","1","3","1") = "5"
    & skf21("5","4","4","6","4","1","4","1") = "5"
    & skf21("5","4","4","6","4","1","5","1") = "5"
    & skf21("5","4","4","6","4","1","6","1") = "5"
    & skf21("5","4","4","6","4","1","7","1") = "6"
    & skf21("5","4","4","6","4","2","1","1") = "5"
    & skf21("5","4","4","6","4","2","2","1") = "5"
    & skf21("5","4","4","6","4","2","3","1") = "5"
    & skf21("5","4","4","6","4","2","4","1") = "5"
    & skf21("5","4","4","6","4","2","5","1") = "5"
    & skf21("5","4","4","6","4","2","6","1") = "5"
    & skf21("5","4","4","6","4","2","7","1") = "6"
    & skf21("5","4","4","6","4","3","1","1") = "5"
    & skf21("5","4","4","6","4","3","2","1") = "5"
    & skf21("5","4","4","6","4","3","3","1") = "5"
    & skf21("5","4","4","6","4","3","4","1") = "5"
    & skf21("5","4","4","6","4","3","5","1") = "5"
    & skf21("5","4","4","6","4","3","6","1") = "5"
    & skf21("5","4","4","6","4","3","7","1") = "6"
    & skf21("5","4","4","6","4","4","1","1") = "5"
    & skf21("5","4","4","6","4","4","2","1") = "5"
    & skf21("5","4","4","6","4","4","3","1") = "5"
    & skf21("5","4","4","6","4","4","4","1") = "5"
    & skf21("5","4","4","6","4","4","5","1") = "5"
    & skf21("5","4","4","6","4","4","6","1") = "5"
    & skf21("5","4","4","6","4","4","7","1") = "6"
    & skf21("5","4","4","6","4","5","1","1") = "5"
    & skf21("5","4","4","6","4","5","2","1") = "5"
    & skf21("5","4","4","6","4","5","3","1") = "5"
    & skf21("5","4","4","6","4","5","4","1") = "5"
    & skf21("5","4","4","6","4","5","5","1") = "5"
    & skf21("5","4","4","6","4","5","6","1") = "5"
    & skf21("5","4","4","6","4","5","7","1") = "6"
    & skf21("5","4","4","6","4","6","1","1") = "5"
    & skf21("5","4","4","6","4","6","2","1") = "5"
    & skf21("5","4","4","6","4","6","3","1") = "5"
    & skf21("5","4","4","6","4","6","4","1") = "5"
    & skf21("5","4","4","6","4","6","5","1") = "5"
    & skf21("5","4","4","6","4","6","6","1") = "5"
    & skf21("5","4","4","6","4","6","7","1") = "6"
    & skf21("5","4","4","6","4","7","1","1") = "6"
    & skf21("5","4","4","6","4","7","2","1") = "6"
    & skf21("5","4","4","6","4","7","3","1") = "6"
    & skf21("5","4","4","6","4","7","4","1") = "6"
    & skf21("5","4","4","6","4","7","5","1") = "6"
    & skf21("5","4","4","6","4","7","6","1") = "6"
    & skf21("5","4","4","6","4","7","7","1") = "6"
    & skf21("5","4","4","6","5","1","1","1") = "5"
    & skf21("5","4","4","6","5","1","2","1") = "5"
    & skf21("5","4","4","6","5","1","3","1") = "5"
    & skf21("5","4","4","6","5","1","4","1") = "5"
    & skf21("5","4","4","6","5","1","5","1") = "5"
    & skf21("5","4","4","6","5","1","6","1") = "5"
    & skf21("5","4","4","6","5","1","7","1") = "6"
    & skf21("5","4","4","6","5","2","1","1") = "5"
    & skf21("5","4","4","6","5","2","2","1") = "5"
    & skf21("5","4","4","6","5","2","3","1") = "5"
    & skf21("5","4","4","6","5","2","4","1") = "5"
    & skf21("5","4","4","6","5","2","5","1") = "5"
    & skf21("5","4","4","6","5","2","6","1") = "5"
    & skf21("5","4","4","6","5","2","7","1") = "6"
    & skf21("5","4","4","6","5","3","1","1") = "5"
    & skf21("5","4","4","6","5","3","2","1") = "5"
    & skf21("5","4","4","6","5","3","3","1") = "5"
    & skf21("5","4","4","6","5","3","4","1") = "5"
    & skf21("5","4","4","6","5","3","5","1") = "5"
    & skf21("5","4","4","6","5","3","6","1") = "5"
    & skf21("5","4","4","6","5","3","7","1") = "6"
    & skf21("5","4","4","6","5","4","1","1") = "5"
    & skf21("5","4","4","6","5","4","2","1") = "5"
    & skf21("5","4","4","6","5","4","3","1") = "5"
    & skf21("5","4","4","6","5","4","4","1") = "5"
    & skf21("5","4","4","6","5","4","5","1") = "5"
    & skf21("5","4","4","6","5","4","6","1") = "5"
    & skf21("5","4","4","6","5","4","7","1") = "6"
    & skf21("5","4","4","6","5","5","1","1") = "5"
    & skf21("5","4","4","6","5","5","2","1") = "5"
    & skf21("5","4","4","6","5","5","3","1") = "5"
    & skf21("5","4","4","6","5","5","4","1") = "5"
    & skf21("5","4","4","6","5","5","5","1") = "5"
    & skf21("5","4","4","6","5","5","6","1") = "5"
    & skf21("5","4","4","6","5","5","7","1") = "6"
    & skf21("5","4","4","6","5","6","1","1") = "5"
    & skf21("5","4","4","6","5","6","2","1") = "5"
    & skf21("5","4","4","6","5","6","3","1") = "5"
    & skf21("5","4","4","6","5","6","4","1") = "5"
    & skf21("5","4","4","6","5","6","5","1") = "5"
    & skf21("5","4","4","6","5","6","6","1") = "5"
    & skf21("5","4","4","6","5","6","7","1") = "6"
    & skf21("5","4","4","6","5","7","1","1") = "6"
    & skf21("5","4","4","6","5","7","2","1") = "6"
    & skf21("5","4","4","6","5","7","3","1") = "6"
    & skf21("5","4","4","6","5","7","4","1") = "6"
    & skf21("5","4","4","6","5","7","5","1") = "6"
    & skf21("5","4","4","6","5","7","6","1") = "6"
    & skf21("5","4","4","6","5","7","7","1") = "6"
    & skf21("5","4","4","6","6","1","1","1") = "5"
    & skf21("5","4","4","6","6","1","2","1") = "5"
    & skf21("5","4","4","6","6","1","3","1") = "5"
    & skf21("5","4","4","6","6","1","4","1") = "5"
    & skf21("5","4","4","6","6","1","5","1") = "5"
    & skf21("5","4","4","6","6","1","6","1") = "5"
    & skf21("5","4","4","6","6","1","7","1") = "6"
    & skf21("5","4","4","6","6","2","1","1") = "5"
    & skf21("5","4","4","6","6","2","2","1") = "5"
    & skf21("5","4","4","6","6","2","3","1") = "5"
    & skf21("5","4","4","6","6","2","4","1") = "5"
    & skf21("5","4","4","6","6","2","5","1") = "5"
    & skf21("5","4","4","6","6","2","6","1") = "5"
    & skf21("5","4","4","6","6","2","7","1") = "6"
    & skf21("5","4","4","6","6","3","1","1") = "5"
    & skf21("5","4","4","6","6","3","2","1") = "5"
    & skf21("5","4","4","6","6","3","3","1") = "5"
    & skf21("5","4","4","6","6","3","4","1") = "5"
    & skf21("5","4","4","6","6","3","5","1") = "5"
    & skf21("5","4","4","6","6","3","6","1") = "5"
    & skf21("5","4","4","6","6","3","7","1") = "6"
    & skf21("5","4","4","6","6","4","1","1") = "5"
    & skf21("5","4","4","6","6","4","2","1") = "5"
    & skf21("5","4","4","6","6","4","3","1") = "5"
    & skf21("5","4","4","6","6","4","4","1") = "5"
    & skf21("5","4","4","6","6","4","5","1") = "5"
    & skf21("5","4","4","6","6","4","6","1") = "5"
    & skf21("5","4","4","6","6","4","7","1") = "6"
    & skf21("5","4","4","6","6","5","1","1") = "5"
    & skf21("5","4","4","6","6","5","2","1") = "5"
    & skf21("5","4","4","6","6","5","3","1") = "5"
    & skf21("5","4","4","6","6","5","4","1") = "5"
    & skf21("5","4","4","6","6","5","5","1") = "5"
    & skf21("5","4","4","6","6","5","6","1") = "5"
    & skf21("5","4","4","6","6","5","7","1") = "6"
    & skf21("5","4","4","6","6","6","1","1") = "5"
    & skf21("5","4","4","6","6","6","2","1") = "5"
    & skf21("5","4","4","6","6","6","3","1") = "5"
    & skf21("5","4","4","6","6","6","4","1") = "5"
    & skf21("5","4","4","6","6","6","5","1") = "5"
    & skf21("5","4","4","6","6","6","6","1") = "5"
    & skf21("5","4","4","6","6","6","7","1") = "6"
    & skf21("5","4","4","6","6","7","1","1") = "6"
    & skf21("5","4","4","6","6","7","2","1") = "6"
    & skf21("5","4","4","6","6","7","3","1") = "6"
    & skf21("5","4","4","6","6","7","4","1") = "6"
    & skf21("5","4","4","6","6","7","5","1") = "6"
    & skf21("5","4","4","6","6","7","6","1") = "6"
    & skf21("5","4","4","6","6","7","7","1") = "6"
    & skf21("5","4","4","6","7","1","1","1") = "6"
    & skf21("5","4","4","6","7","1","2","1") = "6"
    & skf21("5","4","4","6","7","1","3","1") = "6"
    & skf21("5","4","4","6","7","1","4","1") = "6"
    & skf21("5","4","4","6","7","1","5","1") = "6"
    & skf21("5","4","4","6","7","1","6","1") = "6"
    & skf21("5","4","4","6","7","1","7","1") = "6"
    & skf21("5","4","4","6","7","2","1","1") = "6"
    & skf21("5","4","4","6","7","2","2","1") = "6"
    & skf21("5","4","4","6","7","2","3","1") = "6"
    & skf21("5","4","4","6","7","2","4","1") = "6"
    & skf21("5","4","4","6","7","2","5","1") = "6"
    & skf21("5","4","4","6","7","2","6","1") = "6"
    & skf21("5","4","4","6","7","2","7","1") = "6"
    & skf21("5","4","4","6","7","3","1","1") = "6"
    & skf21("5","4","4","6","7","3","2","1") = "6"
    & skf21("5","4","4","6","7","3","3","1") = "6"
    & skf21("5","4","4","6","7","3","4","1") = "6"
    & skf21("5","4","4","6","7","3","5","1") = "6"
    & skf21("5","4","4","6","7","3","6","1") = "6"
    & skf21("5","4","4","6","7","3","7","1") = "6"
    & skf21("5","4","4","6","7","4","1","1") = "6"
    & skf21("5","4","4","6","7","4","2","1") = "6"
    & skf21("5","4","4","6","7","4","3","1") = "6"
    & skf21("5","4","4","6","7","4","4","1") = "6"
    & skf21("5","4","4","6","7","4","5","1") = "6"
    & skf21("5","4","4","6","7","4","6","1") = "6"
    & skf21("5","4","4","6","7","4","7","1") = "6"
    & skf21("5","4","4","6","7","5","1","1") = "6"
    & skf21("5","4","4","6","7","5","2","1") = "6"
    & skf21("5","4","4","6","7","5","3","1") = "6"
    & skf21("5","4","4","6","7","5","4","1") = "6"
    & skf21("5","4","4","6","7","5","5","1") = "6"
    & skf21("5","4","4","6","7","5","6","1") = "6"
    & skf21("5","4","4","6","7","5","7","1") = "6"
    & skf21("5","4","4","6","7","6","1","1") = "6"
    & skf21("5","4","4","6","7","6","2","1") = "6"
    & skf21("5","4","4","6","7","6","3","1") = "6"
    & skf21("5","4","4","6","7","6","4","1") = "6"
    & skf21("5","4","4","6","7","6","5","1") = "6"
    & skf21("5","4","4","6","7","6","6","1") = "6"
    & skf21("5","4","4","6","7","6","7","1") = "6"
    & skf21("5","4","4","6","7","7","1","1") = "6"
    & skf21("5","4","4","6","7","7","2","1") = "6"
    & skf21("5","4","4","6","7","7","3","1") = "6"
    & skf21("5","4","4","6","7","7","4","1") = "6"
    & skf21("5","4","4","6","7","7","5","1") = "6"
    & skf21("5","4","4","6","7","7","6","1") = "6"
    & skf21("5","4","4","6","7","7","7","1") = "6"
    & skf21("5","4","4","7","1","1","1","1") = "6"
    & skf21("5","4","4","7","1","1","2","1") = "6"
    & skf21("5","4","4","7","1","1","3","1") = "6"
    & skf21("5","4","4","7","1","1","4","1") = "6"
    & skf21("5","4","4","7","1","1","5","1") = "6"
    & skf21("5","4","4","7","1","1","6","1") = "6"
    & skf21("5","4","4","7","1","1","7","1") = "6"
    & skf21("5","4","4","7","1","2","1","1") = "6"
    & skf21("5","4","4","7","1","2","2","1") = "6"
    & skf21("5","4","4","7","1","2","3","1") = "6"
    & skf21("5","4","4","7","1","2","4","1") = "6"
    & skf21("5","4","4","7","1","2","5","1") = "6"
    & skf21("5","4","4","7","1","2","6","1") = "6"
    & skf21("5","4","4","7","1","2","7","1") = "6"
    & skf21("5","4","4","7","1","3","1","1") = "6"
    & skf21("5","4","4","7","1","3","2","1") = "6"
    & skf21("5","4","4","7","1","3","3","1") = "6"
    & skf21("5","4","4","7","1","3","4","1") = "6"
    & skf21("5","4","4","7","1","3","5","1") = "6"
    & skf21("5","4","4","7","1","3","6","1") = "6"
    & skf21("5","4","4","7","1","3","7","1") = "6"
    & skf21("5","4","4","7","1","4","1","1") = "6"
    & skf21("5","4","4","7","1","4","2","1") = "6"
    & skf21("5","4","4","7","1","4","3","1") = "6"
    & skf21("5","4","4","7","1","4","4","1") = "6"
    & skf21("5","4","4","7","1","4","5","1") = "6"
    & skf21("5","4","4","7","1","4","6","1") = "6"
    & skf21("5","4","4","7","1","4","7","1") = "6"
    & skf21("5","4","4","7","1","5","1","1") = "6"
    & skf21("5","4","4","7","1","5","2","1") = "6"
    & skf21("5","4","4","7","1","5","3","1") = "6"
    & skf21("5","4","4","7","1","5","4","1") = "6"
    & skf21("5","4","4","7","1","5","5","1") = "6"
    & skf21("5","4","4","7","1","5","6","1") = "6"
    & skf21("5","4","4","7","1","5","7","1") = "6"
    & skf21("5","4","4","7","1","6","1","1") = "6"
    & skf21("5","4","4","7","1","6","2","1") = "6"
    & skf21("5","4","4","7","1","6","3","1") = "6"
    & skf21("5","4","4","7","1","6","4","1") = "6"
    & skf21("5","4","4","7","1","6","5","1") = "6"
    & skf21("5","4","4","7","1","6","6","1") = "6"
    & skf21("5","4","4","7","1","6","7","1") = "6"
    & skf21("5","4","4","7","1","7","1","1") = "6"
    & skf21("5","4","4","7","1","7","2","1") = "6"
    & skf21("5","4","4","7","1","7","3","1") = "6"
    & skf21("5","4","4","7","1","7","4","1") = "6"
    & skf21("5","4","4","7","1","7","5","1") = "6"
    & skf21("5","4","4","7","1","7","6","1") = "6"
    & skf21("5","4","4","7","1","7","7","1") = "6"
    & skf21("5","4","4","7","2","1","1","1") = "6"
    & skf21("5","4","4","7","2","1","2","1") = "6"
    & skf21("5","4","4","7","2","1","3","1") = "6"
    & skf21("5","4","4","7","2","1","4","1") = "6"
    & skf21("5","4","4","7","2","1","5","1") = "6"
    & skf21("5","4","4","7","2","1","6","1") = "6"
    & skf21("5","4","4","7","2","1","7","1") = "6"
    & skf21("5","4","4","7","2","2","1","1") = "6"
    & skf21("5","4","4","7","2","2","2","1") = "6"
    & skf21("5","4","4","7","2","2","3","1") = "6"
    & skf21("5","4","4","7","2","2","4","1") = "6"
    & skf21("5","4","4","7","2","2","5","1") = "6"
    & skf21("5","4","4","7","2","2","6","1") = "6"
    & skf21("5","4","4","7","2","2","7","1") = "6"
    & skf21("5","4","4","7","2","3","1","1") = "6"
    & skf21("5","4","4","7","2","3","2","1") = "6"
    & skf21("5","4","4","7","2","3","3","1") = "6"
    & skf21("5","4","4","7","2","3","4","1") = "6"
    & skf21("5","4","4","7","2","3","5","1") = "6"
    & skf21("5","4","4","7","2","3","6","1") = "6"
    & skf21("5","4","4","7","2","3","7","1") = "6"
    & skf21("5","4","4","7","2","4","1","1") = "6"
    & skf21("5","4","4","7","2","4","2","1") = "6"
    & skf21("5","4","4","7","2","4","3","1") = "6"
    & skf21("5","4","4","7","2","4","4","1") = "6"
    & skf21("5","4","4","7","2","4","5","1") = "6"
    & skf21("5","4","4","7","2","4","6","1") = "6"
    & skf21("5","4","4","7","2","4","7","1") = "6"
    & skf21("5","4","4","7","2","5","1","1") = "6"
    & skf21("5","4","4","7","2","5","2","1") = "6"
    & skf21("5","4","4","7","2","5","3","1") = "6"
    & skf21("5","4","4","7","2","5","4","1") = "6"
    & skf21("5","4","4","7","2","5","5","1") = "6"
    & skf21("5","4","4","7","2","5","6","1") = "6"
    & skf21("5","4","4","7","2","5","7","1") = "6"
    & skf21("5","4","4","7","2","6","1","1") = "6"
    & skf21("5","4","4","7","2","6","2","1") = "6"
    & skf21("5","4","4","7","2","6","3","1") = "6"
    & skf21("5","4","4","7","2","6","4","1") = "6"
    & skf21("5","4","4","7","2","6","5","1") = "6"
    & skf21("5","4","4","7","2","6","6","1") = "6"
    & skf21("5","4","4","7","2","6","7","1") = "6"
    & skf21("5","4","4","7","2","7","1","1") = "6"
    & skf21("5","4","4","7","2","7","2","1") = "6"
    & skf21("5","4","4","7","2","7","3","1") = "6"
    & skf21("5","4","4","7","2","7","4","1") = "6"
    & skf21("5","4","4","7","2","7","5","1") = "6"
    & skf21("5","4","4","7","2","7","6","1") = "6"
    & skf21("5","4","4","7","2","7","7","1") = "6"
    & skf21("5","4","4","7","3","1","1","1") = "6"
    & skf21("5","4","4","7","3","1","2","1") = "6"
    & skf21("5","4","4","7","3","1","3","1") = "6"
    & skf21("5","4","4","7","3","1","4","1") = "6"
    & skf21("5","4","4","7","3","1","5","1") = "6"
    & skf21("5","4","4","7","3","1","6","1") = "6"
    & skf21("5","4","4","7","3","1","7","1") = "6"
    & skf21("5","4","4","7","3","2","1","1") = "6"
    & skf21("5","4","4","7","3","2","2","1") = "6"
    & skf21("5","4","4","7","3","2","3","1") = "6"
    & skf21("5","4","4","7","3","2","4","1") = "6"
    & skf21("5","4","4","7","3","2","5","1") = "6"
    & skf21("5","4","4","7","3","2","6","1") = "6"
    & skf21("5","4","4","7","3","2","7","1") = "6"
    & skf21("5","4","4","7","3","3","1","1") = "6"
    & skf21("5","4","4","7","3","3","2","1") = "6"
    & skf21("5","4","4","7","3","3","3","1") = "6"
    & skf21("5","4","4","7","3","3","4","1") = "6"
    & skf21("5","4","4","7","3","3","5","1") = "6"
    & skf21("5","4","4","7","3","3","6","1") = "6"
    & skf21("5","4","4","7","3","3","7","1") = "6"
    & skf21("5","4","4","7","3","4","1","1") = "6"
    & skf21("5","4","4","7","3","4","2","1") = "6"
    & skf21("5","4","4","7","3","4","3","1") = "6"
    & skf21("5","4","4","7","3","4","4","1") = "6"
    & skf21("5","4","4","7","3","4","5","1") = "6"
    & skf21("5","4","4","7","3","4","6","1") = "6"
    & skf21("5","4","4","7","3","4","7","1") = "6"
    & skf21("5","4","4","7","3","5","1","1") = "6"
    & skf21("5","4","4","7","3","5","2","1") = "6"
    & skf21("5","4","4","7","3","5","3","1") = "6"
    & skf21("5","4","4","7","3","5","4","1") = "6"
    & skf21("5","4","4","7","3","5","5","1") = "6"
    & skf21("5","4","4","7","3","5","6","1") = "6"
    & skf21("5","4","4","7","3","5","7","1") = "6"
    & skf21("5","4","4","7","3","6","1","1") = "6"
    & skf21("5","4","4","7","3","6","2","1") = "6"
    & skf21("5","4","4","7","3","6","3","1") = "6"
    & skf21("5","4","4","7","3","6","4","1") = "6"
    & skf21("5","4","4","7","3","6","5","1") = "6"
    & skf21("5","4","4","7","3","6","6","1") = "6"
    & skf21("5","4","4","7","3","6","7","1") = "6"
    & skf21("5","4","4","7","3","7","1","1") = "6"
    & skf21("5","4","4","7","3","7","2","1") = "6"
    & skf21("5","4","4","7","3","7","3","1") = "6"
    & skf21("5","4","4","7","3","7","4","1") = "6"
    & skf21("5","4","4","7","3","7","5","1") = "6"
    & skf21("5","4","4","7","3","7","6","1") = "6"
    & skf21("5","4","4","7","3","7","7","1") = "6"
    & skf21("5","4","4","7","4","1","1","1") = "6"
    & skf21("5","4","4","7","4","1","2","1") = "6"
    & skf21("5","4","4","7","4","1","3","1") = "6"
    & skf21("5","4","4","7","4","1","4","1") = "6"
    & skf21("5","4","4","7","4","1","5","1") = "6"
    & skf21("5","4","4","7","4","1","6","1") = "6"
    & skf21("5","4","4","7","4","1","7","1") = "6"
    & skf21("5","4","4","7","4","2","1","1") = "6"
    & skf21("5","4","4","7","4","2","2","1") = "6"
    & skf21("5","4","4","7","4","2","3","1") = "6"
    & skf21("5","4","4","7","4","2","4","1") = "6"
    & skf21("5","4","4","7","4","2","5","1") = "6"
    & skf21("5","4","4","7","4","2","6","1") = "6"
    & skf21("5","4","4","7","4","2","7","1") = "6"
    & skf21("5","4","4","7","4","3","1","1") = "6"
    & skf21("5","4","4","7","4","3","2","1") = "6"
    & skf21("5","4","4","7","4","3","3","1") = "6"
    & skf21("5","4","4","7","4","3","4","1") = "6"
    & skf21("5","4","4","7","4","3","5","1") = "6"
    & skf21("5","4","4","7","4","3","6","1") = "6"
    & skf21("5","4","4","7","4","3","7","1") = "6"
    & skf21("5","4","4","7","4","4","1","1") = "6"
    & skf21("5","4","4","7","4","4","2","1") = "6"
    & skf21("5","4","4","7","4","4","3","1") = "6"
    & skf21("5","4","4","7","4","4","4","1") = "6"
    & skf21("5","4","4","7","4","4","5","1") = "6"
    & skf21("5","4","4","7","4","4","6","1") = "6"
    & skf21("5","4","4","7","4","4","7","1") = "6"
    & skf21("5","4","4","7","4","5","1","1") = "6"
    & skf21("5","4","4","7","4","5","2","1") = "6"
    & skf21("5","4","4","7","4","5","3","1") = "6"
    & skf21("5","4","4","7","4","5","4","1") = "6"
    & skf21("5","4","4","7","4","5","5","1") = "6"
    & skf21("5","4","4","7","4","5","6","1") = "6"
    & skf21("5","4","4","7","4","5","7","1") = "6"
    & skf21("5","4","4","7","4","6","1","1") = "6"
    & skf21("5","4","4","7","4","6","2","1") = "6"
    & skf21("5","4","4","7","4","6","3","1") = "6"
    & skf21("5","4","4","7","4","6","4","1") = "6"
    & skf21("5","4","4","7","4","6","5","1") = "6"
    & skf21("5","4","4","7","4","6","6","1") = "6"
    & skf21("5","4","4","7","4","6","7","1") = "6"
    & skf21("5","4","4","7","4","7","1","1") = "6"
    & skf21("5","4","4","7","4","7","2","1") = "6"
    & skf21("5","4","4","7","4","7","3","1") = "6"
    & skf21("5","4","4","7","4","7","4","1") = "6"
    & skf21("5","4","4","7","4","7","5","1") = "6"
    & skf21("5","4","4","7","4","7","6","1") = "6"
    & skf21("5","4","4","7","4","7","7","1") = "6"
    & skf21("5","4","4","7","5","1","1","1") = "6"
    & skf21("5","4","4","7","5","1","2","1") = "6"
    & skf21("5","4","4","7","5","1","3","1") = "6"
    & skf21("5","4","4","7","5","1","4","1") = "6"
    & skf21("5","4","4","7","5","1","5","1") = "6"
    & skf21("5","4","4","7","5","1","6","1") = "6"
    & skf21("5","4","4","7","5","1","7","1") = "6"
    & skf21("5","4","4","7","5","2","1","1") = "6"
    & skf21("5","4","4","7","5","2","2","1") = "6"
    & skf21("5","4","4","7","5","2","3","1") = "6"
    & skf21("5","4","4","7","5","2","4","1") = "6"
    & skf21("5","4","4","7","5","2","5","1") = "6"
    & skf21("5","4","4","7","5","2","6","1") = "6"
    & skf21("5","4","4","7","5","2","7","1") = "6"
    & skf21("5","4","4","7","5","3","1","1") = "6"
    & skf21("5","4","4","7","5","3","2","1") = "6"
    & skf21("5","4","4","7","5","3","3","1") = "6"
    & skf21("5","4","4","7","5","3","4","1") = "6"
    & skf21("5","4","4","7","5","3","5","1") = "6"
    & skf21("5","4","4","7","5","3","6","1") = "6"
    & skf21("5","4","4","7","5","3","7","1") = "6"
    & skf21("5","4","4","7","5","4","1","1") = "6"
    & skf21("5","4","4","7","5","4","2","1") = "6"
    & skf21("5","4","4","7","5","4","3","1") = "6"
    & skf21("5","4","4","7","5","4","4","1") = "6"
    & skf21("5","4","4","7","5","4","5","1") = "6"
    & skf21("5","4","4","7","5","4","6","1") = "6"
    & skf21("5","4","4","7","5","4","7","1") = "6"
    & skf21("5","4","4","7","5","5","1","1") = "6"
    & skf21("5","4","4","7","5","5","2","1") = "6"
    & skf21("5","4","4","7","5","5","3","1") = "6"
    & skf21("5","4","4","7","5","5","4","1") = "6"
    & skf21("5","4","4","7","5","5","5","1") = "6"
    & skf21("5","4","4","7","5","5","6","1") = "6"
    & skf21("5","4","4","7","5","5","7","1") = "6"
    & skf21("5","4","4","7","5","6","1","1") = "6"
    & skf21("5","4","4","7","5","6","2","1") = "6"
    & skf21("5","4","4","7","5","6","3","1") = "6"
    & skf21("5","4","4","7","5","6","4","1") = "6"
    & skf21("5","4","4","7","5","6","5","1") = "6"
    & skf21("5","4","4","7","5","6","6","1") = "6"
    & skf21("5","4","4","7","5","6","7","1") = "6"
    & skf21("5","4","4","7","5","7","1","1") = "6"
    & skf21("5","4","4","7","5","7","2","1") = "6"
    & skf21("5","4","4","7","5","7","3","1") = "6"
    & skf21("5","4","4","7","5","7","4","1") = "6"
    & skf21("5","4","4","7","5","7","5","1") = "6"
    & skf21("5","4","4","7","5","7","6","1") = "6"
    & skf21("5","4","4","7","5","7","7","1") = "6"
    & skf21("5","4","4","7","6","1","1","1") = "6"
    & skf21("5","4","4","7","6","1","2","1") = "6"
    & skf21("5","4","4","7","6","1","3","1") = "6"
    & skf21("5","4","4","7","6","1","4","1") = "6"
    & skf21("5","4","4","7","6","1","5","1") = "6"
    & skf21("5","4","4","7","6","1","6","1") = "6"
    & skf21("5","4","4","7","6","1","7","1") = "6"
    & skf21("5","4","4","7","6","2","1","1") = "6"
    & skf21("5","4","4","7","6","2","2","1") = "6"
    & skf21("5","4","4","7","6","2","3","1") = "6"
    & skf21("5","4","4","7","6","2","4","1") = "6"
    & skf21("5","4","4","7","6","2","5","1") = "6"
    & skf21("5","4","4","7","6","2","6","1") = "6"
    & skf21("5","4","4","7","6","2","7","1") = "6"
    & skf21("5","4","4","7","6","3","1","1") = "6"
    & skf21("5","4","4","7","6","3","2","1") = "6"
    & skf21("5","4","4","7","6","3","3","1") = "6"
    & skf21("5","4","4","7","6","3","4","1") = "6"
    & skf21("5","4","4","7","6","3","5","1") = "6"
    & skf21("5","4","4","7","6","3","6","1") = "6"
    & skf21("5","4","4","7","6","3","7","1") = "6"
    & skf21("5","4","4","7","6","4","1","1") = "6"
    & skf21("5","4","4","7","6","4","2","1") = "6"
    & skf21("5","4","4","7","6","4","3","1") = "6"
    & skf21("5","4","4","7","6","4","4","1") = "6"
    & skf21("5","4","4","7","6","4","5","1") = "6"
    & skf21("5","4","4","7","6","4","6","1") = "6"
    & skf21("5","4","4","7","6","4","7","1") = "6"
    & skf21("5","4","4","7","6","5","1","1") = "6"
    & skf21("5","4","4","7","6","5","2","1") = "6"
    & skf21("5","4","4","7","6","5","3","1") = "6"
    & skf21("5","4","4","7","6","5","4","1") = "6"
    & skf21("5","4","4","7","6","5","5","1") = "6"
    & skf21("5","4","4","7","6","5","6","1") = "6"
    & skf21("5","4","4","7","6","5","7","1") = "6"
    & skf21("5","4","4","7","6","6","1","1") = "6"
    & skf21("5","4","4","7","6","6","2","1") = "6"
    & skf21("5","4","4","7","6","6","3","1") = "6"
    & skf21("5","4","4","7","6","6","4","1") = "6"
    & skf21("5","4","4","7","6","6","5","1") = "6"
    & skf21("5","4","4","7","6","6","6","1") = "6"
    & skf21("5","4","4","7","6","6","7","1") = "6"
    & skf21("5","4","4","7","6","7","1","1") = "6"
    & skf21("5","4","4","7","6","7","2","1") = "6"
    & skf21("5","4","4","7","6","7","3","1") = "6"
    & skf21("5","4","4","7","6","7","4","1") = "6"
    & skf21("5","4","4","7","6","7","5","1") = "6"
    & skf21("5","4","4","7","6","7","6","1") = "6"
    & skf21("5","4","4","7","6","7","7","1") = "6"
    & skf21("5","4","4","7","7","1","1","1") = "6"
    & skf21("5","4","4","7","7","1","2","1") = "6"
    & skf21("5","4","4","7","7","1","3","1") = "6"
    & skf21("5","4","4","7","7","1","4","1") = "6"
    & skf21("5","4","4","7","7","1","5","1") = "6"
    & skf21("5","4","4","7","7","1","6","1") = "6"
    & skf21("5","4","4","7","7","1","7","1") = "6"
    & skf21("5","4","4","7","7","2","1","1") = "6"
    & skf21("5","4","4","7","7","2","2","1") = "6"
    & skf21("5","4","4","7","7","2","3","1") = "6"
    & skf21("5","4","4","7","7","2","4","1") = "6"
    & skf21("5","4","4","7","7","2","5","1") = "6"
    & skf21("5","4","4","7","7","2","6","1") = "6"
    & skf21("5","4","4","7","7","2","7","1") = "6"
    & skf21("5","4","4","7","7","3","1","1") = "6"
    & skf21("5","4","4","7","7","3","2","1") = "6"
    & skf21("5","4","4","7","7","3","3","1") = "6"
    & skf21("5","4","4","7","7","3","4","1") = "6"
    & skf21("5","4","4","7","7","3","5","1") = "6"
    & skf21("5","4","4","7","7","3","6","1") = "6"
    & skf21("5","4","4","7","7","3","7","1") = "6"
    & skf21("5","4","4","7","7","4","1","1") = "6"
    & skf21("5","4","4","7","7","4","2","1") = "6"
    & skf21("5","4","4","7","7","4","3","1") = "6"
    & skf21("5","4","4","7","7","4","4","1") = "6"
    & skf21("5","4","4","7","7","4","5","1") = "6"
    & skf21("5","4","4","7","7","4","6","1") = "6"
    & skf21("5","4","4","7","7","4","7","1") = "6"
    & skf21("5","4","4","7","7","5","1","1") = "6"
    & skf21("5","4","4","7","7","5","2","1") = "6"
    & skf21("5","4","4","7","7","5","3","1") = "6"
    & skf21("5","4","4","7","7","5","4","1") = "6"
    & skf21("5","4","4","7","7","5","5","1") = "6"
    & skf21("5","4","4","7","7","5","6","1") = "6"
    & skf21("5","4","4","7","7","5","7","1") = "6"
    & skf21("5","4","4","7","7","6","1","1") = "6"
    & skf21("5","4","4","7","7","6","2","1") = "6"
    & skf21("5","4","4","7","7","6","3","1") = "6"
    & skf21("5","4","4","7","7","6","4","1") = "6"
    & skf21("5","4","4","7","7","6","5","1") = "6"
    & skf21("5","4","4","7","7","6","6","1") = "6"
    & skf21("5","4","4","7","7","6","7","1") = "6"
    & skf21("5","4","4","7","7","7","1","1") = "6"
    & skf21("5","4","4","7","7","7","2","1") = "6"
    & skf21("5","4","4","7","7","7","3","1") = "6"
    & skf21("5","4","4","7","7","7","4","1") = "6"
    & skf21("5","4","4","7","7","7","5","1") = "6"
    & skf21("5","4","4","7","7","7","6","1") = "6"
    & skf21("5","4","4","7","7","7","7","1") = "6"
    & skf21("5","4","5","1","1","1","1","1") = "4"
    & skf21("5","4","5","1","1","1","2","1") = "4"
    & skf21("5","4","5","1","1","1","3","1") = "4"
    & skf21("5","4","5","1","1","1","4","1") = "4"
    & skf21("5","4","5","1","1","1","5","1") = "4"
    & skf21("5","4","5","1","1","1","6","1") = "5"
    & skf21("5","4","5","1","1","1","7","1") = "6"
    & skf21("5","4","5","1","1","2","1","1") = "4"
    & skf21("5","4","5","1","1","2","2","1") = "4"
    & skf21("5","4","5","1","1","2","3","1") = "4"
    & skf21("5","4","5","1","1","2","4","1") = "4"
    & skf21("5","4","5","1","1","2","5","1") = "4"
    & skf21("5","4","5","1","1","2","6","1") = "5"
    & skf21("5","4","5","1","1","2","7","1") = "6"
    & skf21("5","4","5","1","1","3","1","1") = "4"
    & skf21("5","4","5","1","1","3","2","1") = "4"
    & skf21("5","4","5","1","1","3","3","1") = "4"
    & skf21("5","4","5","1","1","3","4","1") = "4"
    & skf21("5","4","5","1","1","3","5","1") = "4"
    & skf21("5","4","5","1","1","3","6","1") = "5"
    & skf21("5","4","5","1","1","3","7","1") = "6"
    & skf21("5","4","5","1","1","4","1","1") = "4"
    & skf21("5","4","5","1","1","4","2","1") = "4"
    & skf21("5","4","5","1","1","4","3","1") = "4"
    & skf21("5","4","5","1","1","4","4","1") = "4"
    & skf21("5","4","5","1","1","4","5","1") = "4"
    & skf21("5","4","5","1","1","4","6","1") = "5"
    & skf21("5","4","5","1","1","4","7","1") = "6"
    & skf21("5","4","5","1","1","5","1","1") = "4"
    & skf21("5","4","5","1","1","5","2","1") = "4"
    & skf21("5","4","5","1","1","5","3","1") = "4"
    & skf21("5","4","5","1","1","5","4","1") = "4"
    & skf21("5","4","5","1","1","5","5","1") = "4"
    & skf21("5","4","5","1","1","5","6","1") = "5"
    & skf21("5","4","5","1","1","5","7","1") = "6"
    & skf21("5","4","5","1","1","6","1","1") = "5"
    & skf21("5","4","5","1","1","6","2","1") = "5"
    & skf21("5","4","5","1","1","6","3","1") = "5"
    & skf21("5","4","5","1","1","6","4","1") = "5"
    & skf21("5","4","5","1","1","6","5","1") = "5"
    & skf21("5","4","5","1","1","6","6","1") = "5"
    & skf21("5","4","5","1","1","6","7","1") = "6"
    & skf21("5","4","5","1","1","7","1","1") = "6"
    & skf21("5","4","5","1","1","7","2","1") = "6"
    & skf21("5","4","5","1","1","7","3","1") = "6"
    & skf21("5","4","5","1","1","7","4","1") = "6"
    & skf21("5","4","5","1","1","7","5","1") = "6"
    & skf21("5","4","5","1","1","7","6","1") = "6"
    & skf21("5","4","5","1","1","7","7","1") = "6"
    & skf21("5","4","5","1","2","1","1","1") = "4"
    & skf21("5","4","5","1","2","1","2","1") = "4"
    & skf21("5","4","5","1","2","1","3","1") = "4"
    & skf21("5","4","5","1","2","1","4","1") = "4"
    & skf21("5","4","5","1","2","1","5","1") = "4"
    & skf21("5","4","5","1","2","1","6","1") = "5"
    & skf21("5","4","5","1","2","1","7","1") = "6"
    & skf21("5","4","5","1","2","2","1","1") = "4"
    & skf21("5","4","5","1","2","2","2","1") = "4"
    & skf21("5","4","5","1","2","2","3","1") = "4"
    & skf21("5","4","5","1","2","2","4","1") = "4"
    & skf21("5","4","5","1","2","2","5","1") = "4"
    & skf21("5","4","5","1","2","2","6","1") = "5"
    & skf21("5","4","5","1","2","2","7","1") = "6"
    & skf21("5","4","5","1","2","3","1","1") = "4"
    & skf21("5","4","5","1","2","3","2","1") = "4"
    & skf21("5","4","5","1","2","3","3","1") = "4"
    & skf21("5","4","5","1","2","3","4","1") = "4"
    & skf21("5","4","5","1","2","3","5","1") = "4"
    & skf21("5","4","5","1","2","3","6","1") = "5"
    & skf21("5","4","5","1","2","3","7","1") = "6"
    & skf21("5","4","5","1","2","4","1","1") = "4"
    & skf21("5","4","5","1","2","4","2","1") = "4"
    & skf21("5","4","5","1","2","4","3","1") = "4"
    & skf21("5","4","5","1","2","4","4","1") = "4"
    & skf21("5","4","5","1","2","4","5","1") = "4"
    & skf21("5","4","5","1","2","4","6","1") = "5"
    & skf21("5","4","5","1","2","4","7","1") = "6"
    & skf21("5","4","5","1","2","5","1","1") = "4"
    & skf21("5","4","5","1","2","5","2","1") = "4"
    & skf21("5","4","5","1","2","5","3","1") = "4"
    & skf21("5","4","5","1","2","5","4","1") = "4"
    & skf21("5","4","5","1","2","5","5","1") = "4"
    & skf21("5","4","5","1","2","5","6","1") = "5"
    & skf21("5","4","5","1","2","5","7","1") = "6"
    & skf21("5","4","5","1","2","6","1","1") = "5"
    & skf21("5","4","5","1","2","6","2","1") = "5"
    & skf21("5","4","5","1","2","6","3","1") = "5"
    & skf21("5","4","5","1","2","6","4","1") = "5"
    & skf21("5","4","5","1","2","6","5","1") = "5"
    & skf21("5","4","5","1","2","6","6","1") = "5"
    & skf21("5","4","5","1","2","6","7","1") = "6"
    & skf21("5","4","5","1","2","7","1","1") = "6"
    & skf21("5","4","5","1","2","7","2","1") = "6"
    & skf21("5","4","5","1","2","7","3","1") = "6"
    & skf21("5","4","5","1","2","7","4","1") = "6"
    & skf21("5","4","5","1","2","7","5","1") = "6"
    & skf21("5","4","5","1","2","7","6","1") = "6"
    & skf21("5","4","5","1","2","7","7","1") = "6"
    & skf21("5","4","5","1","3","1","1","1") = "4"
    & skf21("5","4","5","1","3","1","2","1") = "4"
    & skf21("5","4","5","1","3","1","3","1") = "4"
    & skf21("5","4","5","1","3","1","4","1") = "4"
    & skf21("5","4","5","1","3","1","5","1") = "4"
    & skf21("5","4","5","1","3","1","6","1") = "5"
    & skf21("5","4","5","1","3","1","7","1") = "6"
    & skf21("5","4","5","1","3","2","1","1") = "4"
    & skf21("5","4","5","1","3","2","2","1") = "4"
    & skf21("5","4","5","1","3","2","3","1") = "4"
    & skf21("5","4","5","1","3","2","4","1") = "4"
    & skf21("5","4","5","1","3","2","5","1") = "4"
    & skf21("5","4","5","1","3","2","6","1") = "5"
    & skf21("5","4","5","1","3","2","7","1") = "6"
    & skf21("5","4","5","1","3","3","1","1") = "4"
    & skf21("5","4","5","1","3","3","2","1") = "4"
    & skf21("5","4","5","1","3","3","3","1") = "4"
    & skf21("5","4","5","1","3","3","4","1") = "4"
    & skf21("5","4","5","1","3","3","5","1") = "4"
    & skf21("5","4","5","1","3","3","6","1") = "5"
    & skf21("5","4","5","1","3","3","7","1") = "6"
    & skf21("5","4","5","1","3","4","1","1") = "4"
    & skf21("5","4","5","1","3","4","2","1") = "4"
    & skf21("5","4","5","1","3","4","3","1") = "4"
    & skf21("5","4","5","1","3","4","4","1") = "4"
    & skf21("5","4","5","1","3","4","5","1") = "4"
    & skf21("5","4","5","1","3","4","6","1") = "5"
    & skf21("5","4","5","1","3","4","7","1") = "6"
    & skf21("5","4","5","1","3","5","1","1") = "4"
    & skf21("5","4","5","1","3","5","2","1") = "4"
    & skf21("5","4","5","1","3","5","3","1") = "4"
    & skf21("5","4","5","1","3","5","4","1") = "4"
    & skf21("5","4","5","1","3","5","5","1") = "4"
    & skf21("5","4","5","1","3","5","6","1") = "5"
    & skf21("5","4","5","1","3","5","7","1") = "6"
    & skf21("5","4","5","1","3","6","1","1") = "5"
    & skf21("5","4","5","1","3","6","2","1") = "5"
    & skf21("5","4","5","1","3","6","3","1") = "5"
    & skf21("5","4","5","1","3","6","4","1") = "5"
    & skf21("5","4","5","1","3","6","5","1") = "5"
    & skf21("5","4","5","1","3","6","6","1") = "5"
    & skf21("5","4","5","1","3","6","7","1") = "6"
    & skf21("5","4","5","1","3","7","1","1") = "6"
    & skf21("5","4","5","1","3","7","2","1") = "6"
    & skf21("5","4","5","1","3","7","3","1") = "6"
    & skf21("5","4","5","1","3","7","4","1") = "6"
    & skf21("5","4","5","1","3","7","5","1") = "6"
    & skf21("5","4","5","1","3","7","6","1") = "6"
    & skf21("5","4","5","1","3","7","7","1") = "6"
    & skf21("5","4","5","1","4","1","1","1") = "4"
    & skf21("5","4","5","1","4","1","2","1") = "4"
    & skf21("5","4","5","1","4","1","3","1") = "4"
    & skf21("5","4","5","1","4","1","4","1") = "4"
    & skf21("5","4","5","1","4","1","5","1") = "4"
    & skf21("5","4","5","1","4","1","6","1") = "5"
    & skf21("5","4","5","1","4","1","7","1") = "6"
    & skf21("5","4","5","1","4","2","1","1") = "4"
    & skf21("5","4","5","1","4","2","2","1") = "4"
    & skf21("5","4","5","1","4","2","3","1") = "4"
    & skf21("5","4","5","1","4","2","4","1") = "4"
    & skf21("5","4","5","1","4","2","5","1") = "4"
    & skf21("5","4","5","1","4","2","6","1") = "5"
    & skf21("5","4","5","1","4","2","7","1") = "6"
    & skf21("5","4","5","1","4","3","1","1") = "4"
    & skf21("5","4","5","1","4","3","2","1") = "4"
    & skf21("5","4","5","1","4","3","3","1") = "4"
    & skf21("5","4","5","1","4","3","4","1") = "4"
    & skf21("5","4","5","1","4","3","5","1") = "4"
    & skf21("5","4","5","1","4","3","6","1") = "5"
    & skf21("5","4","5","1","4","3","7","1") = "6"
    & skf21("5","4","5","1","4","4","1","1") = "4"
    & skf21("5","4","5","1","4","4","2","1") = "4"
    & skf21("5","4","5","1","4","4","3","1") = "4"
    & skf21("5","4","5","1","4","4","4","1") = "4"
    & skf21("5","4","5","1","4","4","5","1") = "4"
    & skf21("5","4","5","1","4","4","6","1") = "5"
    & skf21("5","4","5","1","4","4","7","1") = "6"
    & skf21("5","4","5","1","4","5","1","1") = "4"
    & skf21("5","4","5","1","4","5","2","1") = "4"
    & skf21("5","4","5","1","4","5","3","1") = "4"
    & skf21("5","4","5","1","4","5","4","1") = "4"
    & skf21("5","4","5","1","4","5","5","1") = "4"
    & skf21("5","4","5","1","4","5","6","1") = "5"
    & skf21("5","4","5","1","4","5","7","1") = "6"
    & skf21("5","4","5","1","4","6","1","1") = "5"
    & skf21("5","4","5","1","4","6","2","1") = "5"
    & skf21("5","4","5","1","4","6","3","1") = "5"
    & skf21("5","4","5","1","4","6","4","1") = "5"
    & skf21("5","4","5","1","4","6","5","1") = "5"
    & skf21("5","4","5","1","4","6","6","1") = "5"
    & skf21("5","4","5","1","4","6","7","1") = "6"
    & skf21("5","4","5","1","4","7","1","1") = "6"
    & skf21("5","4","5","1","4","7","2","1") = "6"
    & skf21("5","4","5","1","4","7","3","1") = "6"
    & skf21("5","4","5","1","4","7","4","1") = "6"
    & skf21("5","4","5","1","4","7","5","1") = "6"
    & skf21("5","4","5","1","4","7","6","1") = "6"
    & skf21("5","4","5","1","4","7","7","1") = "6"
    & skf21("5","4","5","1","5","1","1","1") = "4"
    & skf21("5","4","5","1","5","1","2","1") = "4"
    & skf21("5","4","5","1","5","1","3","1") = "4"
    & skf21("5","4","5","1","5","1","4","1") = "4"
    & skf21("5","4","5","1","5","1","5","1") = "4"
    & skf21("5","4","5","1","5","1","6","1") = "5"
    & skf21("5","4","5","1","5","1","7","1") = "6"
    & skf21("5","4","5","1","5","2","1","1") = "4"
    & skf21("5","4","5","1","5","2","2","1") = "4"
    & skf21("5","4","5","1","5","2","3","1") = "4"
    & skf21("5","4","5","1","5","2","4","1") = "4"
    & skf21("5","4","5","1","5","2","5","1") = "4"
    & skf21("5","4","5","1","5","2","6","1") = "5"
    & skf21("5","4","5","1","5","2","7","1") = "6"
    & skf21("5","4","5","1","5","3","1","1") = "4"
    & skf21("5","4","5","1","5","3","2","1") = "4"
    & skf21("5","4","5","1","5","3","3","1") = "4"
    & skf21("5","4","5","1","5","3","4","1") = "4"
    & skf21("5","4","5","1","5","3","5","1") = "4"
    & skf21("5","4","5","1","5","3","6","1") = "5"
    & skf21("5","4","5","1","5","3","7","1") = "6"
    & skf21("5","4","5","1","5","4","1","1") = "4"
    & skf21("5","4","5","1","5","4","2","1") = "4"
    & skf21("5","4","5","1","5","4","3","1") = "4"
    & skf21("5","4","5","1","5","4","4","1") = "4"
    & skf21("5","4","5","1","5","4","5","1") = "4"
    & skf21("5","4","5","1","5","4","6","1") = "5"
    & skf21("5","4","5","1","5","4","7","1") = "6"
    & skf21("5","4","5","1","5","5","1","1") = "4"
    & skf21("5","4","5","1","5","5","2","1") = "4"
    & skf21("5","4","5","1","5","5","3","1") = "4"
    & skf21("5","4","5","1","5","5","4","1") = "4"
    & skf21("5","4","5","1","5","5","5","1") = "4"
    & skf21("5","4","5","1","5","5","6","1") = "5"
    & skf21("5","4","5","1","5","5","7","1") = "6"
    & skf21("5","4","5","1","5","6","1","1") = "5"
    & skf21("5","4","5","1","5","6","2","1") = "5"
    & skf21("5","4","5","1","5","6","3","1") = "5"
    & skf21("5","4","5","1","5","6","4","1") = "5"
    & skf21("5","4","5","1","5","6","5","1") = "5"
    & skf21("5","4","5","1","5","6","6","1") = "5"
    & skf21("5","4","5","1","5","6","7","1") = "6"
    & skf21("5","4","5","1","5","7","1","1") = "6"
    & skf21("5","4","5","1","5","7","2","1") = "6"
    & skf21("5","4","5","1","5","7","3","1") = "6"
    & skf21("5","4","5","1","5","7","4","1") = "6"
    & skf21("5","4","5","1","5","7","5","1") = "6"
    & skf21("5","4","5","1","5","7","6","1") = "6"
    & skf21("5","4","5","1","5","7","7","1") = "6"
    & skf21("5","4","5","1","6","1","1","1") = "5"
    & skf21("5","4","5","1","6","1","2","1") = "5"
    & skf21("5","4","5","1","6","1","3","1") = "5"
    & skf21("5","4","5","1","6","1","4","1") = "5"
    & skf21("5","4","5","1","6","1","5","1") = "5"
    & skf21("5","4","5","1","6","1","6","1") = "5"
    & skf21("5","4","5","1","6","1","7","1") = "6"
    & skf21("5","4","5","1","6","2","1","1") = "5"
    & skf21("5","4","5","1","6","2","2","1") = "5"
    & skf21("5","4","5","1","6","2","3","1") = "5"
    & skf21("5","4","5","1","6","2","4","1") = "5"
    & skf21("5","4","5","1","6","2","5","1") = "5"
    & skf21("5","4","5","1","6","2","6","1") = "5"
    & skf21("5","4","5","1","6","2","7","1") = "6"
    & skf21("5","4","5","1","6","3","1","1") = "5"
    & skf21("5","4","5","1","6","3","2","1") = "5"
    & skf21("5","4","5","1","6","3","3","1") = "5"
    & skf21("5","4","5","1","6","3","4","1") = "5"
    & skf21("5","4","5","1","6","3","5","1") = "5"
    & skf21("5","4","5","1","6","3","6","1") = "5"
    & skf21("5","4","5","1","6","3","7","1") = "6"
    & skf21("5","4","5","1","6","4","1","1") = "5"
    & skf21("5","4","5","1","6","4","2","1") = "5"
    & skf21("5","4","5","1","6","4","3","1") = "5"
    & skf21("5","4","5","1","6","4","4","1") = "5"
    & skf21("5","4","5","1","6","4","5","1") = "5"
    & skf21("5","4","5","1","6","4","6","1") = "5"
    & skf21("5","4","5","1","6","4","7","1") = "6"
    & skf21("5","4","5","1","6","5","1","1") = "5"
    & skf21("5","4","5","1","6","5","2","1") = "5"
    & skf21("5","4","5","1","6","5","3","1") = "5"
    & skf21("5","4","5","1","6","5","4","1") = "5"
    & skf21("5","4","5","1","6","5","5","1") = "5"
    & skf21("5","4","5","1","6","5","6","1") = "5"
    & skf21("5","4","5","1","6","5","7","1") = "6"
    & skf21("5","4","5","1","6","6","1","1") = "5"
    & skf21("5","4","5","1","6","6","2","1") = "5"
    & skf21("5","4","5","1","6","6","3","1") = "5"
    & skf21("5","4","5","1","6","6","4","1") = "5"
    & skf21("5","4","5","1","6","6","5","1") = "5"
    & skf21("5","4","5","1","6","6","6","1") = "5"
    & skf21("5","4","5","1","6","6","7","1") = "6"
    & skf21("5","4","5","1","6","7","1","1") = "6"
    & skf21("5","4","5","1","6","7","2","1") = "6"
    & skf21("5","4","5","1","6","7","3","1") = "6"
    & skf21("5","4","5","1","6","7","4","1") = "6"
    & skf21("5","4","5","1","6","7","5","1") = "6"
    & skf21("5","4","5","1","6","7","6","1") = "6"
    & skf21("5","4","5","1","6","7","7","1") = "6"
    & skf21("5","4","5","1","7","1","1","1") = "6"
    & skf21("5","4","5","1","7","1","2","1") = "6"
    & skf21("5","4","5","1","7","1","3","1") = "6"
    & skf21("5","4","5","1","7","1","4","1") = "6"
    & skf21("5","4","5","1","7","1","5","1") = "6"
    & skf21("5","4","5","1","7","1","6","1") = "6"
    & skf21("5","4","5","1","7","1","7","1") = "6"
    & skf21("5","4","5","1","7","2","1","1") = "6"
    & skf21("5","4","5","1","7","2","2","1") = "6"
    & skf21("5","4","5","1","7","2","3","1") = "6"
    & skf21("5","4","5","1","7","2","4","1") = "6"
    & skf21("5","4","5","1","7","2","5","1") = "6"
    & skf21("5","4","5","1","7","2","6","1") = "6"
    & skf21("5","4","5","1","7","2","7","1") = "6"
    & skf21("5","4","5","1","7","3","1","1") = "6"
    & skf21("5","4","5","1","7","3","2","1") = "6"
    & skf21("5","4","5","1","7","3","3","1") = "6"
    & skf21("5","4","5","1","7","3","4","1") = "6"
    & skf21("5","4","5","1","7","3","5","1") = "6"
    & skf21("5","4","5","1","7","3","6","1") = "6"
    & skf21("5","4","5","1","7","3","7","1") = "6"
    & skf21("5","4","5","1","7","4","1","1") = "6"
    & skf21("5","4","5","1","7","4","2","1") = "6"
    & skf21("5","4","5","1","7","4","3","1") = "6"
    & skf21("5","4","5","1","7","4","4","1") = "6"
    & skf21("5","4","5","1","7","4","5","1") = "6"
    & skf21("5","4","5","1","7","4","6","1") = "6"
    & skf21("5","4","5","1","7","4","7","1") = "6"
    & skf21("5","4","5","1","7","5","1","1") = "6"
    & skf21("5","4","5","1","7","5","2","1") = "6"
    & skf21("5","4","5","1","7","5","3","1") = "6"
    & skf21("5","4","5","1","7","5","4","1") = "6"
    & skf21("5","4","5","1","7","5","5","1") = "6"
    & skf21("5","4","5","1","7","5","6","1") = "6"
    & skf21("5","4","5","1","7","5","7","1") = "6"
    & skf21("5","4","5","1","7","6","1","1") = "6"
    & skf21("5","4","5","1","7","6","2","1") = "6"
    & skf21("5","4","5","1","7","6","3","1") = "6"
    & skf21("5","4","5","1","7","6","4","1") = "6"
    & skf21("5","4","5","1","7","6","5","1") = "6"
    & skf21("5","4","5","1","7","6","6","1") = "6"
    & skf21("5","4","5","1","7","6","7","1") = "6"
    & skf21("5","4","5","1","7","7","1","1") = "6"
    & skf21("5","4","5","1","7","7","2","1") = "6"
    & skf21("5","4","5","1","7","7","3","1") = "6"
    & skf21("5","4","5","1","7","7","4","1") = "6"
    & skf21("5","4","5","1","7","7","5","1") = "6"
    & skf21("5","4","5","1","7","7","6","1") = "6"
    & skf21("5","4","5","1","7","7","7","1") = "6"
    & skf21("5","4","5","2","1","1","1","1") = "4"
    & skf21("5","4","5","2","1","1","2","1") = "4"
    & skf21("5","4","5","2","1","1","3","1") = "4"
    & skf21("5","4","5","2","1","1","4","1") = "4"
    & skf21("5","4","5","2","1","1","5","1") = "4"
    & skf21("5","4","5","2","1","1","6","1") = "5"
    & skf21("5","4","5","2","1","1","7","1") = "6"
    & skf21("5","4","5","2","1","2","1","1") = "4"
    & skf21("5","4","5","2","1","2","2","1") = "4"
    & skf21("5","4","5","2","1","2","3","1") = "4"
    & skf21("5","4","5","2","1","2","4","1") = "4"
    & skf21("5","4","5","2","1","2","5","1") = "4"
    & skf21("5","4","5","2","1","2","6","1") = "5"
    & skf21("5","4","5","2","1","2","7","1") = "6"
    & skf21("5","4","5","2","1","3","1","1") = "4"
    & skf21("5","4","5","2","1","3","2","1") = "4"
    & skf21("5","4","5","2","1","3","3","1") = "4"
    & skf21("5","4","5","2","1","3","4","1") = "4"
    & skf21("5","4","5","2","1","3","5","1") = "4"
    & skf21("5","4","5","2","1","3","6","1") = "5"
    & skf21("5","4","5","2","1","3","7","1") = "6"
    & skf21("5","4","5","2","1","4","1","1") = "4"
    & skf21("5","4","5","2","1","4","2","1") = "4"
    & skf21("5","4","5","2","1","4","3","1") = "4"
    & skf21("5","4","5","2","1","4","4","1") = "4"
    & skf21("5","4","5","2","1","4","5","1") = "4"
    & skf21("5","4","5","2","1","4","6","1") = "5"
    & skf21("5","4","5","2","1","4","7","1") = "6"
    & skf21("5","4","5","2","1","5","1","1") = "4"
    & skf21("5","4","5","2","1","5","2","1") = "4"
    & skf21("5","4","5","2","1","5","3","1") = "4"
    & skf21("5","4","5","2","1","5","4","1") = "4"
    & skf21("5","4","5","2","1","5","5","1") = "4"
    & skf21("5","4","5","2","1","5","6","1") = "5"
    & skf21("5","4","5","2","1","5","7","1") = "6"
    & skf21("5","4","5","2","1","6","1","1") = "5"
    & skf21("5","4","5","2","1","6","2","1") = "5"
    & skf21("5","4","5","2","1","6","3","1") = "5"
    & skf21("5","4","5","2","1","6","4","1") = "5"
    & skf21("5","4","5","2","1","6","5","1") = "5"
    & skf21("5","4","5","2","1","6","6","1") = "5"
    & skf21("5","4","5","2","1","6","7","1") = "6"
    & skf21("5","4","5","2","1","7","1","1") = "6"
    & skf21("5","4","5","2","1","7","2","1") = "6"
    & skf21("5","4","5","2","1","7","3","1") = "6"
    & skf21("5","4","5","2","1","7","4","1") = "6"
    & skf21("5","4","5","2","1","7","5","1") = "6"
    & skf21("5","4","5","2","1","7","6","1") = "6"
    & skf21("5","4","5","2","1","7","7","1") = "6"
    & skf21("5","4","5","2","2","1","1","1") = "4"
    & skf21("5","4","5","2","2","1","2","1") = "4"
    & skf21("5","4","5","2","2","1","3","1") = "4"
    & skf21("5","4","5","2","2","1","4","1") = "4"
    & skf21("5","4","5","2","2","1","5","1") = "4"
    & skf21("5","4","5","2","2","1","6","1") = "5"
    & skf21("5","4","5","2","2","1","7","1") = "6"
    & skf21("5","4","5","2","2","2","1","1") = "4"
    & skf21("5","4","5","2","2","2","2","1") = "4"
    & skf21("5","4","5","2","2","2","3","1") = "4"
    & skf21("5","4","5","2","2","2","4","1") = "4"
    & skf21("5","4","5","2","2","2","5","1") = "4"
    & skf21("5","4","5","2","2","2","6","1") = "5"
    & skf21("5","4","5","2","2","2","7","1") = "6"
    & skf21("5","4","5","2","2","3","1","1") = "4"
    & skf21("5","4","5","2","2","3","2","1") = "4"
    & skf21("5","4","5","2","2","3","3","1") = "4"
    & skf21("5","4","5","2","2","3","4","1") = "4"
    & skf21("5","4","5","2","2","3","5","1") = "4"
    & skf21("5","4","5","2","2","3","6","1") = "5"
    & skf21("5","4","5","2","2","3","7","1") = "6"
    & skf21("5","4","5","2","2","4","1","1") = "4"
    & skf21("5","4","5","2","2","4","2","1") = "4"
    & skf21("5","4","5","2","2","4","3","1") = "4"
    & skf21("5","4","5","2","2","4","4","1") = "4"
    & skf21("5","4","5","2","2","4","5","1") = "4"
    & skf21("5","4","5","2","2","4","6","1") = "5"
    & skf21("5","4","5","2","2","4","7","1") = "6"
    & skf21("5","4","5","2","2","5","1","1") = "4"
    & skf21("5","4","5","2","2","5","2","1") = "4"
    & skf21("5","4","5","2","2","5","3","1") = "4"
    & skf21("5","4","5","2","2","5","4","1") = "4"
    & skf21("5","4","5","2","2","5","5","1") = "4"
    & skf21("5","4","5","2","2","5","6","1") = "5"
    & skf21("5","4","5","2","2","5","7","1") = "6"
    & skf21("5","4","5","2","2","6","1","1") = "5"
    & skf21("5","4","5","2","2","6","2","1") = "5"
    & skf21("5","4","5","2","2","6","3","1") = "5"
    & skf21("5","4","5","2","2","6","4","1") = "5"
    & skf21("5","4","5","2","2","6","5","1") = "5"
    & skf21("5","4","5","2","2","6","6","1") = "5"
    & skf21("5","4","5","2","2","6","7","1") = "6"
    & skf21("5","4","5","2","2","7","1","1") = "6"
    & skf21("5","4","5","2","2","7","2","1") = "6"
    & skf21("5","4","5","2","2","7","3","1") = "6"
    & skf21("5","4","5","2","2","7","4","1") = "6"
    & skf21("5","4","5","2","2","7","5","1") = "6"
    & skf21("5","4","5","2","2","7","6","1") = "6"
    & skf21("5","4","5","2","2","7","7","1") = "6"
    & skf21("5","4","5","2","3","1","1","1") = "4"
    & skf21("5","4","5","2","3","1","2","1") = "4"
    & skf21("5","4","5","2","3","1","3","1") = "4"
    & skf21("5","4","5","2","3","1","4","1") = "4"
    & skf21("5","4","5","2","3","1","5","1") = "4"
    & skf21("5","4","5","2","3","1","6","1") = "5"
    & skf21("5","4","5","2","3","1","7","1") = "6"
    & skf21("5","4","5","2","3","2","1","1") = "4"
    & skf21("5","4","5","2","3","2","2","1") = "4"
    & skf21("5","4","5","2","3","2","3","1") = "4"
    & skf21("5","4","5","2","3","2","4","1") = "4"
    & skf21("5","4","5","2","3","2","5","1") = "4"
    & skf21("5","4","5","2","3","2","6","1") = "5"
    & skf21("5","4","5","2","3","2","7","1") = "6"
    & skf21("5","4","5","2","3","3","1","1") = "4"
    & skf21("5","4","5","2","3","3","2","1") = "4"
    & skf21("5","4","5","2","3","3","3","1") = "4"
    & skf21("5","4","5","2","3","3","4","1") = "4"
    & skf21("5","4","5","2","3","3","5","1") = "4"
    & skf21("5","4","5","2","3","3","6","1") = "5"
    & skf21("5","4","5","2","3","3","7","1") = "6"
    & skf21("5","4","5","2","3","4","1","1") = "4"
    & skf21("5","4","5","2","3","4","2","1") = "4"
    & skf21("5","4","5","2","3","4","3","1") = "4"
    & skf21("5","4","5","2","3","4","4","1") = "4"
    & skf21("5","4","5","2","3","4","5","1") = "4"
    & skf21("5","4","5","2","3","4","6","1") = "5"
    & skf21("5","4","5","2","3","4","7","1") = "6"
    & skf21("5","4","5","2","3","5","1","1") = "4"
    & skf21("5","4","5","2","3","5","2","1") = "4"
    & skf21("5","4","5","2","3","5","3","1") = "4"
    & skf21("5","4","5","2","3","5","4","1") = "4"
    & skf21("5","4","5","2","3","5","5","1") = "4"
    & skf21("5","4","5","2","3","5","6","1") = "5"
    & skf21("5","4","5","2","3","5","7","1") = "6"
    & skf21("5","4","5","2","3","6","1","1") = "5"
    & skf21("5","4","5","2","3","6","2","1") = "5"
    & skf21("5","4","5","2","3","6","3","1") = "5"
    & skf21("5","4","5","2","3","6","4","1") = "5"
    & skf21("5","4","5","2","3","6","5","1") = "5"
    & skf21("5","4","5","2","3","6","6","1") = "5"
    & skf21("5","4","5","2","3","6","7","1") = "6"
    & skf21("5","4","5","2","3","7","1","1") = "6"
    & skf21("5","4","5","2","3","7","2","1") = "6"
    & skf21("5","4","5","2","3","7","3","1") = "6"
    & skf21("5","4","5","2","3","7","4","1") = "6"
    & skf21("5","4","5","2","3","7","5","1") = "6"
    & skf21("5","4","5","2","3","7","6","1") = "6"
    & skf21("5","4","5","2","3","7","7","1") = "6"
    & skf21("5","4","5","2","4","1","1","1") = "4"
    & skf21("5","4","5","2","4","1","2","1") = "4"
    & skf21("5","4","5","2","4","1","3","1") = "4"
    & skf21("5","4","5","2","4","1","4","1") = "4"
    & skf21("5","4","5","2","4","1","5","1") = "4"
    & skf21("5","4","5","2","4","1","6","1") = "5"
    & skf21("5","4","5","2","4","1","7","1") = "6"
    & skf21("5","4","5","2","4","2","1","1") = "4"
    & skf21("5","4","5","2","4","2","2","1") = "4"
    & skf21("5","4","5","2","4","2","3","1") = "4"
    & skf21("5","4","5","2","4","2","4","1") = "4"
    & skf21("5","4","5","2","4","2","5","1") = "4"
    & skf21("5","4","5","2","4","2","6","1") = "5"
    & skf21("5","4","5","2","4","2","7","1") = "6"
    & skf21("5","4","5","2","4","3","1","1") = "4"
    & skf21("5","4","5","2","4","3","2","1") = "4"
    & skf21("5","4","5","2","4","3","3","1") = "4"
    & skf21("5","4","5","2","4","3","4","1") = "4"
    & skf21("5","4","5","2","4","3","5","1") = "4"
    & skf21("5","4","5","2","4","3","6","1") = "5"
    & skf21("5","4","5","2","4","3","7","1") = "6"
    & skf21("5","4","5","2","4","4","1","1") = "4"
    & skf21("5","4","5","2","4","4","2","1") = "4"
    & skf21("5","4","5","2","4","4","3","1") = "4"
    & skf21("5","4","5","2","4","4","4","1") = "4"
    & skf21("5","4","5","2","4","4","5","1") = "4"
    & skf21("5","4","5","2","4","4","6","1") = "5"
    & skf21("5","4","5","2","4","4","7","1") = "6"
    & skf21("5","4","5","2","4","5","1","1") = "4"
    & skf21("5","4","5","2","4","5","2","1") = "4"
    & skf21("5","4","5","2","4","5","3","1") = "4"
    & skf21("5","4","5","2","4","5","4","1") = "4"
    & skf21("5","4","5","2","4","5","5","1") = "4"
    & skf21("5","4","5","2","4","5","6","1") = "5"
    & skf21("5","4","5","2","4","5","7","1") = "6"
    & skf21("5","4","5","2","4","6","1","1") = "5"
    & skf21("5","4","5","2","4","6","2","1") = "5"
    & skf21("5","4","5","2","4","6","3","1") = "5"
    & skf21("5","4","5","2","4","6","4","1") = "5"
    & skf21("5","4","5","2","4","6","5","1") = "5"
    & skf21("5","4","5","2","4","6","6","1") = "5"
    & skf21("5","4","5","2","4","6","7","1") = "6"
    & skf21("5","4","5","2","4","7","1","1") = "6"
    & skf21("5","4","5","2","4","7","2","1") = "6"
    & skf21("5","4","5","2","4","7","3","1") = "6"
    & skf21("5","4","5","2","4","7","4","1") = "6"
    & skf21("5","4","5","2","4","7","5","1") = "6"
    & skf21("5","4","5","2","4","7","6","1") = "6"
    & skf21("5","4","5","2","4","7","7","1") = "6"
    & skf21("5","4","5","2","5","1","1","1") = "4"
    & skf21("5","4","5","2","5","1","2","1") = "4"
    & skf21("5","4","5","2","5","1","3","1") = "4"
    & skf21("5","4","5","2","5","1","4","1") = "4"
    & skf21("5","4","5","2","5","1","5","1") = "4"
    & skf21("5","4","5","2","5","1","6","1") = "5"
    & skf21("5","4","5","2","5","1","7","1") = "6"
    & skf21("5","4","5","2","5","2","1","1") = "4"
    & skf21("5","4","5","2","5","2","2","1") = "4"
    & skf21("5","4","5","2","5","2","3","1") = "4"
    & skf21("5","4","5","2","5","2","4","1") = "4"
    & skf21("5","4","5","2","5","2","5","1") = "4"
    & skf21("5","4","5","2","5","2","6","1") = "5"
    & skf21("5","4","5","2","5","2","7","1") = "6"
    & skf21("5","4","5","2","5","3","1","1") = "4"
    & skf21("5","4","5","2","5","3","2","1") = "4"
    & skf21("5","4","5","2","5","3","3","1") = "4"
    & skf21("5","4","5","2","5","3","4","1") = "4"
    & skf21("5","4","5","2","5","3","5","1") = "4"
    & skf21("5","4","5","2","5","3","6","1") = "5"
    & skf21("5","4","5","2","5","3","7","1") = "6"
    & skf21("5","4","5","2","5","4","1","1") = "4"
    & skf21("5","4","5","2","5","4","2","1") = "4"
    & skf21("5","4","5","2","5","4","3","1") = "4"
    & skf21("5","4","5","2","5","4","4","1") = "4"
    & skf21("5","4","5","2","5","4","5","1") = "4"
    & skf21("5","4","5","2","5","4","6","1") = "5"
    & skf21("5","4","5","2","5","4","7","1") = "6"
    & skf21("5","4","5","2","5","5","1","1") = "4"
    & skf21("5","4","5","2","5","5","2","1") = "4"
    & skf21("5","4","5","2","5","5","3","1") = "4"
    & skf21("5","4","5","2","5","5","4","1") = "4"
    & skf21("5","4","5","2","5","5","5","1") = "4"
    & skf21("5","4","5","2","5","5","6","1") = "5"
    & skf21("5","4","5","2","5","5","7","1") = "6"
    & skf21("5","4","5","2","5","6","1","1") = "5"
    & skf21("5","4","5","2","5","6","2","1") = "5"
    & skf21("5","4","5","2","5","6","3","1") = "5"
    & skf21("5","4","5","2","5","6","4","1") = "5"
    & skf21("5","4","5","2","5","6","5","1") = "5"
    & skf21("5","4","5","2","5","6","6","1") = "5"
    & skf21("5","4","5","2","5","6","7","1") = "6"
    & skf21("5","4","5","2","5","7","1","1") = "6"
    & skf21("5","4","5","2","5","7","2","1") = "6"
    & skf21("5","4","5","2","5","7","3","1") = "6"
    & skf21("5","4","5","2","5","7","4","1") = "6"
    & skf21("5","4","5","2","5","7","5","1") = "6"
    & skf21("5","4","5","2","5","7","6","1") = "6"
    & skf21("5","4","5","2","5","7","7","1") = "6"
    & skf21("5","4","5","2","6","1","1","1") = "5"
    & skf21("5","4","5","2","6","1","2","1") = "5"
    & skf21("5","4","5","2","6","1","3","1") = "5"
    & skf21("5","4","5","2","6","1","4","1") = "5"
    & skf21("5","4","5","2","6","1","5","1") = "5"
    & skf21("5","4","5","2","6","1","6","1") = "5"
    & skf21("5","4","5","2","6","1","7","1") = "6"
    & skf21("5","4","5","2","6","2","1","1") = "5"
    & skf21("5","4","5","2","6","2","2","1") = "5"
    & skf21("5","4","5","2","6","2","3","1") = "5"
    & skf21("5","4","5","2","6","2","4","1") = "5"
    & skf21("5","4","5","2","6","2","5","1") = "5"
    & skf21("5","4","5","2","6","2","6","1") = "5"
    & skf21("5","4","5","2","6","2","7","1") = "6"
    & skf21("5","4","5","2","6","3","1","1") = "5"
    & skf21("5","4","5","2","6","3","2","1") = "5"
    & skf21("5","4","5","2","6","3","3","1") = "5"
    & skf21("5","4","5","2","6","3","4","1") = "5"
    & skf21("5","4","5","2","6","3","5","1") = "5"
    & skf21("5","4","5","2","6","3","6","1") = "5"
    & skf21("5","4","5","2","6","3","7","1") = "6"
    & skf21("5","4","5","2","6","4","1","1") = "5"
    & skf21("5","4","5","2","6","4","2","1") = "5"
    & skf21("5","4","5","2","6","4","3","1") = "5"
    & skf21("5","4","5","2","6","4","4","1") = "5"
    & skf21("5","4","5","2","6","4","5","1") = "5"
    & skf21("5","4","5","2","6","4","6","1") = "5"
    & skf21("5","4","5","2","6","4","7","1") = "6"
    & skf21("5","4","5","2","6","5","1","1") = "5"
    & skf21("5","4","5","2","6","5","2","1") = "5"
    & skf21("5","4","5","2","6","5","3","1") = "5"
    & skf21("5","4","5","2","6","5","4","1") = "5"
    & skf21("5","4","5","2","6","5","5","1") = "5"
    & skf21("5","4","5","2","6","5","6","1") = "5"
    & skf21("5","4","5","2","6","5","7","1") = "6"
    & skf21("5","4","5","2","6","6","1","1") = "5"
    & skf21("5","4","5","2","6","6","2","1") = "5"
    & skf21("5","4","5","2","6","6","3","1") = "5"
    & skf21("5","4","5","2","6","6","4","1") = "5"
    & skf21("5","4","5","2","6","6","5","1") = "5"
    & skf21("5","4","5","2","6","6","6","1") = "5"
    & skf21("5","4","5","2","6","6","7","1") = "6"
    & skf21("5","4","5","2","6","7","1","1") = "6"
    & skf21("5","4","5","2","6","7","2","1") = "6"
    & skf21("5","4","5","2","6","7","3","1") = "6"
    & skf21("5","4","5","2","6","7","4","1") = "6"
    & skf21("5","4","5","2","6","7","5","1") = "6"
    & skf21("5","4","5","2","6","7","6","1") = "6"
    & skf21("5","4","5","2","6","7","7","1") = "6"
    & skf21("5","4","5","2","7","1","1","1") = "6"
    & skf21("5","4","5","2","7","1","2","1") = "6"
    & skf21("5","4","5","2","7","1","3","1") = "6"
    & skf21("5","4","5","2","7","1","4","1") = "6"
    & skf21("5","4","5","2","7","1","5","1") = "6"
    & skf21("5","4","5","2","7","1","6","1") = "6"
    & skf21("5","4","5","2","7","1","7","1") = "6"
    & skf21("5","4","5","2","7","2","1","1") = "6"
    & skf21("5","4","5","2","7","2","2","1") = "6"
    & skf21("5","4","5","2","7","2","3","1") = "6"
    & skf21("5","4","5","2","7","2","4","1") = "6"
    & skf21("5","4","5","2","7","2","5","1") = "6"
    & skf21("5","4","5","2","7","2","6","1") = "6"
    & skf21("5","4","5","2","7","2","7","1") = "6"
    & skf21("5","4","5","2","7","3","1","1") = "6"
    & skf21("5","4","5","2","7","3","2","1") = "6"
    & skf21("5","4","5","2","7","3","3","1") = "6"
    & skf21("5","4","5","2","7","3","4","1") = "6"
    & skf21("5","4","5","2","7","3","5","1") = "6"
    & skf21("5","4","5","2","7","3","6","1") = "6"
    & skf21("5","4","5","2","7","3","7","1") = "6"
    & skf21("5","4","5","2","7","4","1","1") = "6"
    & skf21("5","4","5","2","7","4","2","1") = "6"
    & skf21("5","4","5","2","7","4","3","1") = "6"
    & skf21("5","4","5","2","7","4","4","1") = "6"
    & skf21("5","4","5","2","7","4","5","1") = "6"
    & skf21("5","4","5","2","7","4","6","1") = "6"
    & skf21("5","4","5","2","7","4","7","1") = "6"
    & skf21("5","4","5","2","7","5","1","1") = "6"
    & skf21("5","4","5","2","7","5","2","1") = "6"
    & skf21("5","4","5","2","7","5","3","1") = "6"
    & skf21("5","4","5","2","7","5","4","1") = "6"
    & skf21("5","4","5","2","7","5","5","1") = "6"
    & skf21("5","4","5","2","7","5","6","1") = "6"
    & skf21("5","4","5","2","7","5","7","1") = "6"
    & skf21("5","4","5","2","7","6","1","1") = "6"
    & skf21("5","4","5","2","7","6","2","1") = "6"
    & skf21("5","4","5","2","7","6","3","1") = "6"
    & skf21("5","4","5","2","7","6","4","1") = "6"
    & skf21("5","4","5","2","7","6","5","1") = "6"
    & skf21("5","4","5","2","7","6","6","1") = "6"
    & skf21("5","4","5","2","7","6","7","1") = "6"
    & skf21("5","4","5","2","7","7","1","1") = "6"
    & skf21("5","4","5","2","7","7","2","1") = "6"
    & skf21("5","4","5","2","7","7","3","1") = "6"
    & skf21("5","4","5","2","7","7","4","1") = "6"
    & skf21("5","4","5","2","7","7","5","1") = "6"
    & skf21("5","4","5","2","7","7","6","1") = "6"
    & skf21("5","4","5","2","7","7","7","1") = "6"
    & skf21("5","4","5","3","1","1","1","1") = "4"
    & skf21("5","4","5","3","1","1","2","1") = "4"
    & skf21("5","4","5","3","1","1","3","1") = "4"
    & skf21("5","4","5","3","1","1","4","1") = "4"
    & skf21("5","4","5","3","1","1","5","1") = "4"
    & skf21("5","4","5","3","1","1","6","1") = "5"
    & skf21("5","4","5","3","1","1","7","1") = "6"
    & skf21("5","4","5","3","1","2","1","1") = "4"
    & skf21("5","4","5","3","1","2","2","1") = "4"
    & skf21("5","4","5","3","1","2","3","1") = "4"
    & skf21("5","4","5","3","1","2","4","1") = "4"
    & skf21("5","4","5","3","1","2","5","1") = "4"
    & skf21("5","4","5","3","1","2","6","1") = "5"
    & skf21("5","4","5","3","1","2","7","1") = "6"
    & skf21("5","4","5","3","1","3","1","1") = "4"
    & skf21("5","4","5","3","1","3","2","1") = "4"
    & skf21("5","4","5","3","1","3","3","1") = "4"
    & skf21("5","4","5","3","1","3","4","1") = "4"
    & skf21("5","4","5","3","1","3","5","1") = "4"
    & skf21("5","4","5","3","1","3","6","1") = "5"
    & skf21("5","4","5","3","1","3","7","1") = "6"
    & skf21("5","4","5","3","1","4","1","1") = "4"
    & skf21("5","4","5","3","1","4","2","1") = "4"
    & skf21("5","4","5","3","1","4","3","1") = "4"
    & skf21("5","4","5","3","1","4","4","1") = "4"
    & skf21("5","4","5","3","1","4","5","1") = "4"
    & skf21("5","4","5","3","1","4","6","1") = "5"
    & skf21("5","4","5","3","1","4","7","1") = "6"
    & skf21("5","4","5","3","1","5","1","1") = "4"
    & skf21("5","4","5","3","1","5","2","1") = "4"
    & skf21("5","4","5","3","1","5","3","1") = "4"
    & skf21("5","4","5","3","1","5","4","1") = "4"
    & skf21("5","4","5","3","1","5","5","1") = "4"
    & skf21("5","4","5","3","1","5","6","1") = "5"
    & skf21("5","4","5","3","1","5","7","1") = "6"
    & skf21("5","4","5","3","1","6","1","1") = "5"
    & skf21("5","4","5","3","1","6","2","1") = "5"
    & skf21("5","4","5","3","1","6","3","1") = "5"
    & skf21("5","4","5","3","1","6","4","1") = "5"
    & skf21("5","4","5","3","1","6","5","1") = "5"
    & skf21("5","4","5","3","1","6","6","1") = "5"
    & skf21("5","4","5","3","1","6","7","1") = "6"
    & skf21("5","4","5","3","1","7","1","1") = "6"
    & skf21("5","4","5","3","1","7","2","1") = "6"
    & skf21("5","4","5","3","1","7","3","1") = "6"
    & skf21("5","4","5","3","1","7","4","1") = "6"
    & skf21("5","4","5","3","1","7","5","1") = "6"
    & skf21("5","4","5","3","1","7","6","1") = "6"
    & skf21("5","4","5","3","1","7","7","1") = "6"
    & skf21("5","4","5","3","2","1","1","1") = "4"
    & skf21("5","4","5","3","2","1","2","1") = "4"
    & skf21("5","4","5","3","2","1","3","1") = "4"
    & skf21("5","4","5","3","2","1","4","1") = "4"
    & skf21("5","4","5","3","2","1","5","1") = "4"
    & skf21("5","4","5","3","2","1","6","1") = "5"
    & skf21("5","4","5","3","2","1","7","1") = "6"
    & skf21("5","4","5","3","2","2","1","1") = "4"
    & skf21("5","4","5","3","2","2","2","1") = "4"
    & skf21("5","4","5","3","2","2","3","1") = "4"
    & skf21("5","4","5","3","2","2","4","1") = "4"
    & skf21("5","4","5","3","2","2","5","1") = "4"
    & skf21("5","4","5","3","2","2","6","1") = "5"
    & skf21("5","4","5","3","2","2","7","1") = "6"
    & skf21("5","4","5","3","2","3","1","1") = "4"
    & skf21("5","4","5","3","2","3","2","1") = "4"
    & skf21("5","4","5","3","2","3","3","1") = "4"
    & skf21("5","4","5","3","2","3","4","1") = "4"
    & skf21("5","4","5","3","2","3","5","1") = "4"
    & skf21("5","4","5","3","2","3","6","1") = "5"
    & skf21("5","4","5","3","2","3","7","1") = "6"
    & skf21("5","4","5","3","2","4","1","1") = "4"
    & skf21("5","4","5","3","2","4","2","1") = "4"
    & skf21("5","4","5","3","2","4","3","1") = "4"
    & skf21("5","4","5","3","2","4","4","1") = "4"
    & skf21("5","4","5","3","2","4","5","1") = "4"
    & skf21("5","4","5","3","2","4","6","1") = "5"
    & skf21("5","4","5","3","2","4","7","1") = "6"
    & skf21("5","4","5","3","2","5","1","1") = "4"
    & skf21("5","4","5","3","2","5","2","1") = "4"
    & skf21("5","4","5","3","2","5","3","1") = "4"
    & skf21("5","4","5","3","2","5","4","1") = "4"
    & skf21("5","4","5","3","2","5","5","1") = "4"
    & skf21("5","4","5","3","2","5","6","1") = "5"
    & skf21("5","4","5","3","2","5","7","1") = "6"
    & skf21("5","4","5","3","2","6","1","1") = "5"
    & skf21("5","4","5","3","2","6","2","1") = "5"
    & skf21("5","4","5","3","2","6","3","1") = "5"
    & skf21("5","4","5","3","2","6","4","1") = "5"
    & skf21("5","4","5","3","2","6","5","1") = "5"
    & skf21("5","4","5","3","2","6","6","1") = "5"
    & skf21("5","4","5","3","2","6","7","1") = "6"
    & skf21("5","4","5","3","2","7","1","1") = "6"
    & skf21("5","4","5","3","2","7","2","1") = "6"
    & skf21("5","4","5","3","2","7","3","1") = "6"
    & skf21("5","4","5","3","2","7","4","1") = "6"
    & skf21("5","4","5","3","2","7","5","1") = "6"
    & skf21("5","4","5","3","2","7","6","1") = "6"
    & skf21("5","4","5","3","2","7","7","1") = "6"
    & skf21("5","4","5","3","3","1","1","1") = "4"
    & skf21("5","4","5","3","3","1","2","1") = "4"
    & skf21("5","4","5","3","3","1","3","1") = "4"
    & skf21("5","4","5","3","3","1","4","1") = "4"
    & skf21("5","4","5","3","3","1","5","1") = "4"
    & skf21("5","4","5","3","3","1","6","1") = "5"
    & skf21("5","4","5","3","3","1","7","1") = "6"
    & skf21("5","4","5","3","3","2","1","1") = "4"
    & skf21("5","4","5","3","3","2","2","1") = "4"
    & skf21("5","4","5","3","3","2","3","1") = "4"
    & skf21("5","4","5","3","3","2","4","1") = "4"
    & skf21("5","4","5","3","3","2","5","1") = "4"
    & skf21("5","4","5","3","3","2","6","1") = "5"
    & skf21("5","4","5","3","3","2","7","1") = "6"
    & skf21("5","4","5","3","3","3","1","1") = "4"
    & skf21("5","4","5","3","3","3","2","1") = "4"
    & skf21("5","4","5","3","3","3","3","1") = "4"
    & skf21("5","4","5","3","3","3","4","1") = "4"
    & skf21("5","4","5","3","3","3","5","1") = "4"
    & skf21("5","4","5","3","3","3","6","1") = "5"
    & skf21("5","4","5","3","3","3","7","1") = "6"
    & skf21("5","4","5","3","3","4","1","1") = "4"
    & skf21("5","4","5","3","3","4","2","1") = "4"
    & skf21("5","4","5","3","3","4","3","1") = "4"
    & skf21("5","4","5","3","3","4","4","1") = "4"
    & skf21("5","4","5","3","3","4","5","1") = "4"
    & skf21("5","4","5","3","3","4","6","1") = "5"
    & skf21("5","4","5","3","3","4","7","1") = "6"
    & skf21("5","4","5","3","3","5","1","1") = "4"
    & skf21("5","4","5","3","3","5","2","1") = "4"
    & skf21("5","4","5","3","3","5","3","1") = "4"
    & skf21("5","4","5","3","3","5","4","1") = "4"
    & skf21("5","4","5","3","3","5","5","1") = "4"
    & skf21("5","4","5","3","3","5","6","1") = "5"
    & skf21("5","4","5","3","3","5","7","1") = "6"
    & skf21("5","4","5","3","3","6","1","1") = "5"
    & skf21("5","4","5","3","3","6","2","1") = "5"
    & skf21("5","4","5","3","3","6","3","1") = "5"
    & skf21("5","4","5","3","3","6","4","1") = "5"
    & skf21("5","4","5","3","3","6","5","1") = "5"
    & skf21("5","4","5","3","3","6","6","1") = "5"
    & skf21("5","4","5","3","3","6","7","1") = "6"
    & skf21("5","4","5","3","3","7","1","1") = "6"
    & skf21("5","4","5","3","3","7","2","1") = "6"
    & skf21("5","4","5","3","3","7","3","1") = "6"
    & skf21("5","4","5","3","3","7","4","1") = "6"
    & skf21("5","4","5","3","3","7","5","1") = "6"
    & skf21("5","4","5","3","3","7","6","1") = "6"
    & skf21("5","4","5","3","3","7","7","1") = "6"
    & skf21("5","4","5","3","4","1","1","1") = "4"
    & skf21("5","4","5","3","4","1","2","1") = "4"
    & skf21("5","4","5","3","4","1","3","1") = "4"
    & skf21("5","4","5","3","4","1","4","1") = "4"
    & skf21("5","4","5","3","4","1","5","1") = "4"
    & skf21("5","4","5","3","4","1","6","1") = "5"
    & skf21("5","4","5","3","4","1","7","1") = "6"
    & skf21("5","4","5","3","4","2","1","1") = "4"
    & skf21("5","4","5","3","4","2","2","1") = "4"
    & skf21("5","4","5","3","4","2","3","1") = "4"
    & skf21("5","4","5","3","4","2","4","1") = "4"
    & skf21("5","4","5","3","4","2","5","1") = "4"
    & skf21("5","4","5","3","4","2","6","1") = "5"
    & skf21("5","4","5","3","4","2","7","1") = "6"
    & skf21("5","4","5","3","4","3","1","1") = "4"
    & skf21("5","4","5","3","4","3","2","1") = "4"
    & skf21("5","4","5","3","4","3","3","1") = "4"
    & skf21("5","4","5","3","4","3","4","1") = "4"
    & skf21("5","4","5","3","4","3","5","1") = "4"
    & skf21("5","4","5","3","4","3","6","1") = "5"
    & skf21("5","4","5","3","4","3","7","1") = "6"
    & skf21("5","4","5","3","4","4","1","1") = "4"
    & skf21("5","4","5","3","4","4","2","1") = "4"
    & skf21("5","4","5","3","4","4","3","1") = "4"
    & skf21("5","4","5","3","4","4","4","1") = "4"
    & skf21("5","4","5","3","4","4","5","1") = "4"
    & skf21("5","4","5","3","4","4","6","1") = "5"
    & skf21("5","4","5","3","4","4","7","1") = "6"
    & skf21("5","4","5","3","4","5","1","1") = "4"
    & skf21("5","4","5","3","4","5","2","1") = "4"
    & skf21("5","4","5","3","4","5","3","1") = "4"
    & skf21("5","4","5","3","4","5","4","1") = "4"
    & skf21("5","4","5","3","4","5","5","1") = "4"
    & skf21("5","4","5","3","4","5","6","1") = "5"
    & skf21("5","4","5","3","4","5","7","1") = "6"
    & skf21("5","4","5","3","4","6","1","1") = "5"
    & skf21("5","4","5","3","4","6","2","1") = "5"
    & skf21("5","4","5","3","4","6","3","1") = "5"
    & skf21("5","4","5","3","4","6","4","1") = "5"
    & skf21("5","4","5","3","4","6","5","1") = "5"
    & skf21("5","4","5","3","4","6","6","1") = "5"
    & skf21("5","4","5","3","4","6","7","1") = "6"
    & skf21("5","4","5","3","4","7","1","1") = "6"
    & skf21("5","4","5","3","4","7","2","1") = "6"
    & skf21("5","4","5","3","4","7","3","1") = "6"
    & skf21("5","4","5","3","4","7","4","1") = "6"
    & skf21("5","4","5","3","4","7","5","1") = "6"
    & skf21("5","4","5","3","4","7","6","1") = "6"
    & skf21("5","4","5","3","4","7","7","1") = "6"
    & skf21("5","4","5","3","5","1","1","1") = "4"
    & skf21("5","4","5","3","5","1","2","1") = "4"
    & skf21("5","4","5","3","5","1","3","1") = "4"
    & skf21("5","4","5","3","5","1","4","1") = "4"
    & skf21("5","4","5","3","5","1","5","1") = "4"
    & skf21("5","4","5","3","5","1","6","1") = "5"
    & skf21("5","4","5","3","5","1","7","1") = "6"
    & skf21("5","4","5","3","5","2","1","1") = "4"
    & skf21("5","4","5","3","5","2","2","1") = "4"
    & skf21("5","4","5","3","5","2","3","1") = "4"
    & skf21("5","4","5","3","5","2","4","1") = "4"
    & skf21("5","4","5","3","5","2","5","1") = "4"
    & skf21("5","4","5","3","5","2","6","1") = "5"
    & skf21("5","4","5","3","5","2","7","1") = "6"
    & skf21("5","4","5","3","5","3","1","1") = "4"
    & skf21("5","4","5","3","5","3","2","1") = "4"
    & skf21("5","4","5","3","5","3","3","1") = "4"
    & skf21("5","4","5","3","5","3","4","1") = "4"
    & skf21("5","4","5","3","5","3","5","1") = "4"
    & skf21("5","4","5","3","5","3","6","1") = "5"
    & skf21("5","4","5","3","5","3","7","1") = "6"
    & skf21("5","4","5","3","5","4","1","1") = "4"
    & skf21("5","4","5","3","5","4","2","1") = "4"
    & skf21("5","4","5","3","5","4","3","1") = "4"
    & skf21("5","4","5","3","5","4","4","1") = "4"
    & skf21("5","4","5","3","5","4","5","1") = "4"
    & skf21("5","4","5","3","5","4","6","1") = "5"
    & skf21("5","4","5","3","5","4","7","1") = "6"
    & skf21("5","4","5","3","5","5","1","1") = "4"
    & skf21("5","4","5","3","5","5","2","1") = "4"
    & skf21("5","4","5","3","5","5","3","1") = "4"
    & skf21("5","4","5","3","5","5","4","1") = "4"
    & skf21("5","4","5","3","5","5","5","1") = "4"
    & skf21("5","4","5","3","5","5","6","1") = "5"
    & skf21("5","4","5","3","5","5","7","1") = "6"
    & skf21("5","4","5","3","5","6","1","1") = "5"
    & skf21("5","4","5","3","5","6","2","1") = "5"
    & skf21("5","4","5","3","5","6","3","1") = "5"
    & skf21("5","4","5","3","5","6","4","1") = "5"
    & skf21("5","4","5","3","5","6","5","1") = "5"
    & skf21("5","4","5","3","5","6","6","1") = "5"
    & skf21("5","4","5","3","5","6","7","1") = "6"
    & skf21("5","4","5","3","5","7","1","1") = "6"
    & skf21("5","4","5","3","5","7","2","1") = "6"
    & skf21("5","4","5","3","5","7","3","1") = "6"
    & skf21("5","4","5","3","5","7","4","1") = "6"
    & skf21("5","4","5","3","5","7","5","1") = "6"
    & skf21("5","4","5","3","5","7","6","1") = "6"
    & skf21("5","4","5","3","5","7","7","1") = "6"
    & skf21("5","4","5","3","6","1","1","1") = "5"
    & skf21("5","4","5","3","6","1","2","1") = "5"
    & skf21("5","4","5","3","6","1","3","1") = "5"
    & skf21("5","4","5","3","6","1","4","1") = "5"
    & skf21("5","4","5","3","6","1","5","1") = "5"
    & skf21("5","4","5","3","6","1","6","1") = "5"
    & skf21("5","4","5","3","6","1","7","1") = "6"
    & skf21("5","4","5","3","6","2","1","1") = "5"
    & skf21("5","4","5","3","6","2","2","1") = "5"
    & skf21("5","4","5","3","6","2","3","1") = "5"
    & skf21("5","4","5","3","6","2","4","1") = "5"
    & skf21("5","4","5","3","6","2","5","1") = "5"
    & skf21("5","4","5","3","6","2","6","1") = "5"
    & skf21("5","4","5","3","6","2","7","1") = "6"
    & skf21("5","4","5","3","6","3","1","1") = "5"
    & skf21("5","4","5","3","6","3","2","1") = "5"
    & skf21("5","4","5","3","6","3","3","1") = "5"
    & skf21("5","4","5","3","6","3","4","1") = "5"
    & skf21("5","4","5","3","6","3","5","1") = "5"
    & skf21("5","4","5","3","6","3","6","1") = "5"
    & skf21("5","4","5","3","6","3","7","1") = "6"
    & skf21("5","4","5","3","6","4","1","1") = "5"
    & skf21("5","4","5","3","6","4","2","1") = "5"
    & skf21("5","4","5","3","6","4","3","1") = "5"
    & skf21("5","4","5","3","6","4","4","1") = "5"
    & skf21("5","4","5","3","6","4","5","1") = "5"
    & skf21("5","4","5","3","6","4","6","1") = "5"
    & skf21("5","4","5","3","6","4","7","1") = "6"
    & skf21("5","4","5","3","6","5","1","1") = "5"
    & skf21("5","4","5","3","6","5","2","1") = "5"
    & skf21("5","4","5","3","6","5","3","1") = "5"
    & skf21("5","4","5","3","6","5","4","1") = "5"
    & skf21("5","4","5","3","6","5","5","1") = "5"
    & skf21("5","4","5","3","6","5","6","1") = "5"
    & skf21("5","4","5","3","6","5","7","1") = "6"
    & skf21("5","4","5","3","6","6","1","1") = "5"
    & skf21("5","4","5","3","6","6","2","1") = "5"
    & skf21("5","4","5","3","6","6","3","1") = "5"
    & skf21("5","4","5","3","6","6","4","1") = "5"
    & skf21("5","4","5","3","6","6","5","1") = "5"
    & skf21("5","4","5","3","6","6","6","1") = "5"
    & skf21("5","4","5","3","6","6","7","1") = "6"
    & skf21("5","4","5","3","6","7","1","1") = "6"
    & skf21("5","4","5","3","6","7","2","1") = "6"
    & skf21("5","4","5","3","6","7","3","1") = "6"
    & skf21("5","4","5","3","6","7","4","1") = "6"
    & skf21("5","4","5","3","6","7","5","1") = "6"
    & skf21("5","4","5","3","6","7","6","1") = "6"
    & skf21("5","4","5","3","6","7","7","1") = "6"
    & skf21("5","4","5","3","7","1","1","1") = "6"
    & skf21("5","4","5","3","7","1","2","1") = "6"
    & skf21("5","4","5","3","7","1","3","1") = "6"
    & skf21("5","4","5","3","7","1","4","1") = "6"
    & skf21("5","4","5","3","7","1","5","1") = "6"
    & skf21("5","4","5","3","7","1","6","1") = "6"
    & skf21("5","4","5","3","7","1","7","1") = "6"
    & skf21("5","4","5","3","7","2","1","1") = "6"
    & skf21("5","4","5","3","7","2","2","1") = "6"
    & skf21("5","4","5","3","7","2","3","1") = "6"
    & skf21("5","4","5","3","7","2","4","1") = "6"
    & skf21("5","4","5","3","7","2","5","1") = "6"
    & skf21("5","4","5","3","7","2","6","1") = "6"
    & skf21("5","4","5","3","7","2","7","1") = "6"
    & skf21("5","4","5","3","7","3","1","1") = "6"
    & skf21("5","4","5","3","7","3","2","1") = "6"
    & skf21("5","4","5","3","7","3","3","1") = "6"
    & skf21("5","4","5","3","7","3","4","1") = "6"
    & skf21("5","4","5","3","7","3","5","1") = "6"
    & skf21("5","4","5","3","7","3","6","1") = "6"
    & skf21("5","4","5","3","7","3","7","1") = "6"
    & skf21("5","4","5","3","7","4","1","1") = "6"
    & skf21("5","4","5","3","7","4","2","1") = "6"
    & skf21("5","4","5","3","7","4","3","1") = "6"
    & skf21("5","4","5","3","7","4","4","1") = "6"
    & skf21("5","4","5","3","7","4","5","1") = "6"
    & skf21("5","4","5","3","7","4","6","1") = "6"
    & skf21("5","4","5","3","7","4","7","1") = "6"
    & skf21("5","4","5","3","7","5","1","1") = "6"
    & skf21("5","4","5","3","7","5","2","1") = "6"
    & skf21("5","4","5","3","7","5","3","1") = "6"
    & skf21("5","4","5","3","7","5","4","1") = "6"
    & skf21("5","4","5","3","7","5","5","1") = "6"
    & skf21("5","4","5","3","7","5","6","1") = "6"
    & skf21("5","4","5","3","7","5","7","1") = "6"
    & skf21("5","4","5","3","7","6","1","1") = "6"
    & skf21("5","4","5","3","7","6","2","1") = "6"
    & skf21("5","4","5","3","7","6","3","1") = "6"
    & skf21("5","4","5","3","7","6","4","1") = "6"
    & skf21("5","4","5","3","7","6","5","1") = "6"
    & skf21("5","4","5","3","7","6","6","1") = "6"
    & skf21("5","4","5","3","7","6","7","1") = "6"
    & skf21("5","4","5","3","7","7","1","1") = "6"
    & skf21("5","4","5","3","7","7","2","1") = "6"
    & skf21("5","4","5","3","7","7","3","1") = "6"
    & skf21("5","4","5","3","7","7","4","1") = "6"
    & skf21("5","4","5","3","7","7","5","1") = "6"
    & skf21("5","4","5","3","7","7","6","1") = "6"
    & skf21("5","4","5","3","7","7","7","1") = "6"
    & skf21("5","4","5","4","1","1","1","1") = "4"
    & skf21("5","4","5","4","1","1","2","1") = "4"
    & skf21("5","4","5","4","1","1","3","1") = "4"
    & skf21("5","4","5","4","1","1","4","1") = "4"
    & skf21("5","4","5","4","1","1","5","1") = "4"
    & skf21("5","4","5","4","1","1","6","1") = "5"
    & skf21("5","4","5","4","1","1","7","1") = "6"
    & skf21("5","4","5","4","1","2","1","1") = "4"
    & skf21("5","4","5","4","1","2","2","1") = "4"
    & skf21("5","4","5","4","1","2","3","1") = "4"
    & skf21("5","4","5","4","1","2","4","1") = "4"
    & skf21("5","4","5","4","1","2","5","1") = "4"
    & skf21("5","4","5","4","1","2","6","1") = "5"
    & skf21("5","4","5","4","1","2","7","1") = "6"
    & skf21("5","4","5","4","1","3","1","1") = "4"
    & skf21("5","4","5","4","1","3","2","1") = "4"
    & skf21("5","4","5","4","1","3","3","1") = "4"
    & skf21("5","4","5","4","1","3","4","1") = "4"
    & skf21("5","4","5","4","1","3","5","1") = "4"
    & skf21("5","4","5","4","1","3","6","1") = "5"
    & skf21("5","4","5","4","1","3","7","1") = "6"
    & skf21("5","4","5","4","1","4","1","1") = "4"
    & skf21("5","4","5","4","1","4","2","1") = "4"
    & skf21("5","4","5","4","1","4","3","1") = "4"
    & skf21("5","4","5","4","1","4","4","1") = "4"
    & skf21("5","4","5","4","1","4","5","1") = "4"
    & skf21("5","4","5","4","1","4","6","1") = "5"
    & skf21("5","4","5","4","1","4","7","1") = "6"
    & skf21("5","4","5","4","1","5","1","1") = "4"
    & skf21("5","4","5","4","1","5","2","1") = "4"
    & skf21("5","4","5","4","1","5","3","1") = "4"
    & skf21("5","4","5","4","1","5","4","1") = "4"
    & skf21("5","4","5","4","1","5","5","1") = "4"
    & skf21("5","4","5","4","1","5","6","1") = "5"
    & skf21("5","4","5","4","1","5","7","1") = "6"
    & skf21("5","4","5","4","1","6","1","1") = "5"
    & skf21("5","4","5","4","1","6","2","1") = "5"
    & skf21("5","4","5","4","1","6","3","1") = "5"
    & skf21("5","4","5","4","1","6","4","1") = "5"
    & skf21("5","4","5","4","1","6","5","1") = "5"
    & skf21("5","4","5","4","1","6","6","1") = "5"
    & skf21("5","4","5","4","1","6","7","1") = "6"
    & skf21("5","4","5","4","1","7","1","1") = "6"
    & skf21("5","4","5","4","1","7","2","1") = "6"
    & skf21("5","4","5","4","1","7","3","1") = "6"
    & skf21("5","4","5","4","1","7","4","1") = "6"
    & skf21("5","4","5","4","1","7","5","1") = "6"
    & skf21("5","4","5","4","1","7","6","1") = "6"
    & skf21("5","4","5","4","1","7","7","1") = "6"
    & skf21("5","4","5","4","2","1","1","1") = "4"
    & skf21("5","4","5","4","2","1","2","1") = "4"
    & skf21("5","4","5","4","2","1","3","1") = "4"
    & skf21("5","4","5","4","2","1","4","1") = "4"
    & skf21("5","4","5","4","2","1","5","1") = "4"
    & skf21("5","4","5","4","2","1","6","1") = "5"
    & skf21("5","4","5","4","2","1","7","1") = "6"
    & skf21("5","4","5","4","2","2","1","1") = "4"
    & skf21("5","4","5","4","2","2","2","1") = "4"
    & skf21("5","4","5","4","2","2","3","1") = "4"
    & skf21("5","4","5","4","2","2","4","1") = "4"
    & skf21("5","4","5","4","2","2","5","1") = "4"
    & skf21("5","4","5","4","2","2","6","1") = "5"
    & skf21("5","4","5","4","2","2","7","1") = "6"
    & skf21("5","4","5","4","2","3","1","1") = "4"
    & skf21("5","4","5","4","2","3","2","1") = "4"
    & skf21("5","4","5","4","2","3","3","1") = "4"
    & skf21("5","4","5","4","2","3","4","1") = "4"
    & skf21("5","4","5","4","2","3","5","1") = "4"
    & skf21("5","4","5","4","2","3","6","1") = "5"
    & skf21("5","4","5","4","2","3","7","1") = "6"
    & skf21("5","4","5","4","2","4","1","1") = "4"
    & skf21("5","4","5","4","2","4","2","1") = "4"
    & skf21("5","4","5","4","2","4","3","1") = "4"
    & skf21("5","4","5","4","2","4","4","1") = "4"
    & skf21("5","4","5","4","2","4","5","1") = "4"
    & skf21("5","4","5","4","2","4","6","1") = "5"
    & skf21("5","4","5","4","2","4","7","1") = "6"
    & skf21("5","4","5","4","2","5","1","1") = "4"
    & skf21("5","4","5","4","2","5","2","1") = "4"
    & skf21("5","4","5","4","2","5","3","1") = "4"
    & skf21("5","4","5","4","2","5","4","1") = "4"
    & skf21("5","4","5","4","2","5","5","1") = "4"
    & skf21("5","4","5","4","2","5","6","1") = "5"
    & skf21("5","4","5","4","2","5","7","1") = "6"
    & skf21("5","4","5","4","2","6","1","1") = "5"
    & skf21("5","4","5","4","2","6","2","1") = "5"
    & skf21("5","4","5","4","2","6","3","1") = "5"
    & skf21("5","4","5","4","2","6","4","1") = "5"
    & skf21("5","4","5","4","2","6","5","1") = "5"
    & skf21("5","4","5","4","2","6","6","1") = "5"
    & skf21("5","4","5","4","2","6","7","1") = "6"
    & skf21("5","4","5","4","2","7","1","1") = "6"
    & skf21("5","4","5","4","2","7","2","1") = "6"
    & skf21("5","4","5","4","2","7","3","1") = "6"
    & skf21("5","4","5","4","2","7","4","1") = "6"
    & skf21("5","4","5","4","2","7","5","1") = "6"
    & skf21("5","4","5","4","2","7","6","1") = "6"
    & skf21("5","4","5","4","2","7","7","1") = "6"
    & skf21("5","4","5","4","3","1","1","1") = "4"
    & skf21("5","4","5","4","3","1","2","1") = "4"
    & skf21("5","4","5","4","3","1","3","1") = "4"
    & skf21("5","4","5","4","3","1","4","1") = "4"
    & skf21("5","4","5","4","3","1","5","1") = "4"
    & skf21("5","4","5","4","3","1","6","1") = "5"
    & skf21("5","4","5","4","3","1","7","1") = "6"
    & skf21("5","4","5","4","3","2","1","1") = "4"
    & skf21("5","4","5","4","3","2","2","1") = "4"
    & skf21("5","4","5","4","3","2","3","1") = "4"
    & skf21("5","4","5","4","3","2","4","1") = "4"
    & skf21("5","4","5","4","3","2","5","1") = "4"
    & skf21("5","4","5","4","3","2","6","1") = "5"
    & skf21("5","4","5","4","3","2","7","1") = "6"
    & skf21("5","4","5","4","3","3","1","1") = "4"
    & skf21("5","4","5","4","3","3","2","1") = "4"
    & skf21("5","4","5","4","3","3","3","1") = "4"
    & skf21("5","4","5","4","3","3","4","1") = "4"
    & skf21("5","4","5","4","3","3","5","1") = "4"
    & skf21("5","4","5","4","3","3","6","1") = "5"
    & skf21("5","4","5","4","3","3","7","1") = "6"
    & skf21("5","4","5","4","3","4","1","1") = "4"
    & skf21("5","4","5","4","3","4","2","1") = "4"
    & skf21("5","4","5","4","3","4","3","1") = "4"
    & skf21("5","4","5","4","3","4","4","1") = "4"
    & skf21("5","4","5","4","3","4","5","1") = "4"
    & skf21("5","4","5","4","3","4","6","1") = "5"
    & skf21("5","4","5","4","3","4","7","1") = "6"
    & skf21("5","4","5","4","3","5","1","1") = "4"
    & skf21("5","4","5","4","3","5","2","1") = "4"
    & skf21("5","4","5","4","3","5","3","1") = "4"
    & skf21("5","4","5","4","3","5","4","1") = "4"
    & skf21("5","4","5","4","3","5","5","1") = "4"
    & skf21("5","4","5","4","3","5","6","1") = "5"
    & skf21("5","4","5","4","3","5","7","1") = "6"
    & skf21("5","4","5","4","3","6","1","1") = "5"
    & skf21("5","4","5","4","3","6","2","1") = "5"
    & skf21("5","4","5","4","3","6","3","1") = "5"
    & skf21("5","4","5","4","3","6","4","1") = "5"
    & skf21("5","4","5","4","3","6","5","1") = "5"
    & skf21("5","4","5","4","3","6","6","1") = "5"
    & skf21("5","4","5","4","3","6","7","1") = "6"
    & skf21("5","4","5","4","3","7","1","1") = "6"
    & skf21("5","4","5","4","3","7","2","1") = "6"
    & skf21("5","4","5","4","3","7","3","1") = "6"
    & skf21("5","4","5","4","3","7","4","1") = "6"
    & skf21("5","4","5","4","3","7","5","1") = "6"
    & skf21("5","4","5","4","3","7","6","1") = "6"
    & skf21("5","4","5","4","3","7","7","1") = "6"
    & skf21("5","4","5","4","4","1","1","1") = "4"
    & skf21("5","4","5","4","4","1","2","1") = "4"
    & skf21("5","4","5","4","4","1","3","1") = "4"
    & skf21("5","4","5","4","4","1","4","1") = "4"
    & skf21("5","4","5","4","4","1","5","1") = "4"
    & skf21("5","4","5","4","4","1","6","1") = "5"
    & skf21("5","4","5","4","4","1","7","1") = "6"
    & skf21("5","4","5","4","4","2","1","1") = "4"
    & skf21("5","4","5","4","4","2","2","1") = "4"
    & skf21("5","4","5","4","4","2","3","1") = "4"
    & skf21("5","4","5","4","4","2","4","1") = "4"
    & skf21("5","4","5","4","4","2","5","1") = "4"
    & skf21("5","4","5","4","4","2","6","1") = "5"
    & skf21("5","4","5","4","4","2","7","1") = "6"
    & skf21("5","4","5","4","4","3","1","1") = "4"
    & skf21("5","4","5","4","4","3","2","1") = "4"
    & skf21("5","4","5","4","4","3","3","1") = "4"
    & skf21("5","4","5","4","4","3","4","1") = "4"
    & skf21("5","4","5","4","4","3","5","1") = "4"
    & skf21("5","4","5","4","4","3","6","1") = "5"
    & skf21("5","4","5","4","4","3","7","1") = "6"
    & skf21("5","4","5","4","4","4","1","1") = "4"
    & skf21("5","4","5","4","4","4","2","1") = "4"
    & skf21("5","4","5","4","4","4","3","1") = "4"
    & skf21("5","4","5","4","4","4","4","1") = "4"
    & skf21("5","4","5","4","4","4","5","1") = "4"
    & skf21("5","4","5","4","4","4","6","1") = "5"
    & skf21("5","4","5","4","4","4","7","1") = "6"
    & skf21("5","4","5","4","4","5","1","1") = "4"
    & skf21("5","4","5","4","4","5","2","1") = "4"
    & skf21("5","4","5","4","4","5","3","1") = "4"
    & skf21("5","4","5","4","4","5","4","1") = "4"
    & skf21("5","4","5","4","4","5","5","1") = "4"
    & skf21("5","4","5","4","4","5","6","1") = "5"
    & skf21("5","4","5","4","4","5","7","1") = "6"
    & skf21("5","4","5","4","4","6","1","1") = "5"
    & skf21("5","4","5","4","4","6","2","1") = "5"
    & skf21("5","4","5","4","4","6","3","1") = "5"
    & skf21("5","4","5","4","4","6","4","1") = "5"
    & skf21("5","4","5","4","4","6","5","1") = "5"
    & skf21("5","4","5","4","4","6","6","1") = "5"
    & skf21("5","4","5","4","4","6","7","1") = "6"
    & skf21("5","4","5","4","4","7","1","1") = "6"
    & skf21("5","4","5","4","4","7","2","1") = "6"
    & skf21("5","4","5","4","4","7","3","1") = "6"
    & skf21("5","4","5","4","4","7","4","1") = "6"
    & skf21("5","4","5","4","4","7","5","1") = "6"
    & skf21("5","4","5","4","4","7","6","1") = "6"
    & skf21("5","4","5","4","4","7","7","1") = "6"
    & skf21("5","4","5","4","5","1","1","1") = "4"
    & skf21("5","4","5","4","5","1","2","1") = "4"
    & skf21("5","4","5","4","5","1","3","1") = "4"
    & skf21("5","4","5","4","5","1","4","1") = "4"
    & skf21("5","4","5","4","5","1","5","1") = "4"
    & skf21("5","4","5","4","5","1","6","1") = "5"
    & skf21("5","4","5","4","5","1","7","1") = "6"
    & skf21("5","4","5","4","5","2","1","1") = "4"
    & skf21("5","4","5","4","5","2","2","1") = "4"
    & skf21("5","4","5","4","5","2","3","1") = "4"
    & skf21("5","4","5","4","5","2","4","1") = "4"
    & skf21("5","4","5","4","5","2","5","1") = "4"
    & skf21("5","4","5","4","5","2","6","1") = "5"
    & skf21("5","4","5","4","5","2","7","1") = "6"
    & skf21("5","4","5","4","5","3","1","1") = "4"
    & skf21("5","4","5","4","5","3","2","1") = "4"
    & skf21("5","4","5","4","5","3","3","1") = "4"
    & skf21("5","4","5","4","5","3","4","1") = "4"
    & skf21("5","4","5","4","5","3","5","1") = "4"
    & skf21("5","4","5","4","5","3","6","1") = "5"
    & skf21("5","4","5","4","5","3","7","1") = "6"
    & skf21("5","4","5","4","5","4","1","1") = "4"
    & skf21("5","4","5","4","5","4","2","1") = "4"
    & skf21("5","4","5","4","5","4","3","1") = "4"
    & skf21("5","4","5","4","5","4","4","1") = "4"
    & skf21("5","4","5","4","5","4","5","1") = "4"
    & skf21("5","4","5","4","5","4","6","1") = "5"
    & skf21("5","4","5","4","5","4","7","1") = "6"
    & skf21("5","4","5","4","5","5","1","1") = "4"
    & skf21("5","4","5","4","5","5","2","1") = "4"
    & skf21("5","4","5","4","5","5","3","1") = "4"
    & skf21("5","4","5","4","5","5","4","1") = "4"
    & skf21("5","4","5","4","5","5","5","1") = "4"
    & skf21("5","4","5","4","5","5","6","1") = "5"
    & skf21("5","4","5","4","5","5","7","1") = "6"
    & skf21("5","4","5","4","5","6","1","1") = "5"
    & skf21("5","4","5","4","5","6","2","1") = "5"
    & skf21("5","4","5","4","5","6","3","1") = "5"
    & skf21("5","4","5","4","5","6","4","1") = "5"
    & skf21("5","4","5","4","5","6","5","1") = "5"
    & skf21("5","4","5","4","5","6","6","1") = "5"
    & skf21("5","4","5","4","5","6","7","1") = "6"
    & skf21("5","4","5","4","5","7","1","1") = "6"
    & skf21("5","4","5","4","5","7","2","1") = "6"
    & skf21("5","4","5","4","5","7","3","1") = "6"
    & skf21("5","4","5","4","5","7","4","1") = "6"
    & skf21("5","4","5","4","5","7","5","1") = "6"
    & skf21("5","4","5","4","5","7","6","1") = "6"
    & skf21("5","4","5","4","5","7","7","1") = "6"
    & skf21("5","4","5","4","6","1","1","1") = "5"
    & skf21("5","4","5","4","6","1","2","1") = "5"
    & skf21("5","4","5","4","6","1","3","1") = "5"
    & skf21("5","4","5","4","6","1","4","1") = "5"
    & skf21("5","4","5","4","6","1","5","1") = "5"
    & skf21("5","4","5","4","6","1","6","1") = "5"
    & skf21("5","4","5","4","6","1","7","1") = "6"
    & skf21("5","4","5","4","6","2","1","1") = "5"
    & skf21("5","4","5","4","6","2","2","1") = "5"
    & skf21("5","4","5","4","6","2","3","1") = "5"
    & skf21("5","4","5","4","6","2","4","1") = "5"
    & skf21("5","4","5","4","6","2","5","1") = "5"
    & skf21("5","4","5","4","6","2","6","1") = "5"
    & skf21("5","4","5","4","6","2","7","1") = "6"
    & skf21("5","4","5","4","6","3","1","1") = "5"
    & skf21("5","4","5","4","6","3","2","1") = "5"
    & skf21("5","4","5","4","6","3","3","1") = "5"
    & skf21("5","4","5","4","6","3","4","1") = "5"
    & skf21("5","4","5","4","6","3","5","1") = "5"
    & skf21("5","4","5","4","6","3","6","1") = "5"
    & skf21("5","4","5","4","6","3","7","1") = "6"
    & skf21("5","4","5","4","6","4","1","1") = "5"
    & skf21("5","4","5","4","6","4","2","1") = "5"
    & skf21("5","4","5","4","6","4","3","1") = "5"
    & skf21("5","4","5","4","6","4","4","1") = "5"
    & skf21("5","4","5","4","6","4","5","1") = "5"
    & skf21("5","4","5","4","6","4","6","1") = "5"
    & skf21("5","4","5","4","6","4","7","1") = "6"
    & skf21("5","4","5","4","6","5","1","1") = "5"
    & skf21("5","4","5","4","6","5","2","1") = "5"
    & skf21("5","4","5","4","6","5","3","1") = "5"
    & skf21("5","4","5","4","6","5","4","1") = "5"
    & skf21("5","4","5","4","6","5","5","1") = "5"
    & skf21("5","4","5","4","6","5","6","1") = "5"
    & skf21("5","4","5","4","6","5","7","1") = "6"
    & skf21("5","4","5","4","6","6","1","1") = "5"
    & skf21("5","4","5","4","6","6","2","1") = "5"
    & skf21("5","4","5","4","6","6","3","1") = "5"
    & skf21("5","4","5","4","6","6","4","1") = "5"
    & skf21("5","4","5","4","6","6","5","1") = "5"
    & skf21("5","4","5","4","6","6","6","1") = "5"
    & skf21("5","4","5","4","6","6","7","1") = "6"
    & skf21("5","4","5","4","6","7","1","1") = "6"
    & skf21("5","4","5","4","6","7","2","1") = "6"
    & skf21("5","4","5","4","6","7","3","1") = "6"
    & skf21("5","4","5","4","6","7","4","1") = "6"
    & skf21("5","4","5","4","6","7","5","1") = "6"
    & skf21("5","4","5","4","6","7","6","1") = "6"
    & skf21("5","4","5","4","6","7","7","1") = "6"
    & skf21("5","4","5","4","7","1","1","1") = "6"
    & skf21("5","4","5","4","7","1","2","1") = "6"
    & skf21("5","4","5","4","7","1","3","1") = "6"
    & skf21("5","4","5","4","7","1","4","1") = "6"
    & skf21("5","4","5","4","7","1","5","1") = "6"
    & skf21("5","4","5","4","7","1","6","1") = "6"
    & skf21("5","4","5","4","7","1","7","1") = "6"
    & skf21("5","4","5","4","7","2","1","1") = "6"
    & skf21("5","4","5","4","7","2","2","1") = "6"
    & skf21("5","4","5","4","7","2","3","1") = "6"
    & skf21("5","4","5","4","7","2","4","1") = "6"
    & skf21("5","4","5","4","7","2","5","1") = "6"
    & skf21("5","4","5","4","7","2","6","1") = "6"
    & skf21("5","4","5","4","7","2","7","1") = "6"
    & skf21("5","4","5","4","7","3","1","1") = "6"
    & skf21("5","4","5","4","7","3","2","1") = "6"
    & skf21("5","4","5","4","7","3","3","1") = "6"
    & skf21("5","4","5","4","7","3","4","1") = "6"
    & skf21("5","4","5","4","7","3","5","1") = "6"
    & skf21("5","4","5","4","7","3","6","1") = "6"
    & skf21("5","4","5","4","7","3","7","1") = "6"
    & skf21("5","4","5","4","7","4","1","1") = "6"
    & skf21("5","4","5","4","7","4","2","1") = "6"
    & skf21("5","4","5","4","7","4","3","1") = "6"
    & skf21("5","4","5","4","7","4","4","1") = "6"
    & skf21("5","4","5","4","7","4","5","1") = "6"
    & skf21("5","4","5","4","7","4","6","1") = "6"
    & skf21("5","4","5","4","7","4","7","1") = "6"
    & skf21("5","4","5","4","7","5","1","1") = "6"
    & skf21("5","4","5","4","7","5","2","1") = "6"
    & skf21("5","4","5","4","7","5","3","1") = "6"
    & skf21("5","4","5","4","7","5","4","1") = "6"
    & skf21("5","4","5","4","7","5","5","1") = "6"
    & skf21("5","4","5","4","7","5","6","1") = "6"
    & skf21("5","4","5","4","7","5","7","1") = "6"
    & skf21("5","4","5","4","7","6","1","1") = "6"
    & skf21("5","4","5","4","7","6","2","1") = "6"
    & skf21("5","4","5","4","7","6","3","1") = "6"
    & skf21("5","4","5","4","7","6","4","1") = "6"
    & skf21("5","4","5","4","7","6","5","1") = "6"
    & skf21("5","4","5","4","7","6","6","1") = "6"
    & skf21("5","4","5","4","7","6","7","1") = "6"
    & skf21("5","4","5","4","7","7","1","1") = "6"
    & skf21("5","4","5","4","7","7","2","1") = "6"
    & skf21("5","4","5","4","7","7","3","1") = "6"
    & skf21("5","4","5","4","7","7","4","1") = "6"
    & skf21("5","4","5","4","7","7","5","1") = "6"
    & skf21("5","4","5","4","7","7","6","1") = "6"
    & skf21("5","4","5","4","7","7","7","1") = "6"
    & skf21("5","4","5","5","1","1","1","1") = "4"
    & skf21("5","4","5","5","1","1","2","1") = "4"
    & skf21("5","4","5","5","1","1","3","1") = "4"
    & skf21("5","4","5","5","1","1","4","1") = "4"
    & skf21("5","4","5","5","1","1","5","1") = "4"
    & skf21("5","4","5","5","1","1","6","1") = "5"
    & skf21("5","4","5","5","1","1","7","1") = "6"
    & skf21("5","4","5","5","1","2","1","1") = "4"
    & skf21("5","4","5","5","1","2","2","1") = "4"
    & skf21("5","4","5","5","1","2","3","1") = "4"
    & skf21("5","4","5","5","1","2","4","1") = "4"
    & skf21("5","4","5","5","1","2","5","1") = "4"
    & skf21("5","4","5","5","1","2","6","1") = "5"
    & skf21("5","4","5","5","1","2","7","1") = "6"
    & skf21("5","4","5","5","1","3","1","1") = "4"
    & skf21("5","4","5","5","1","3","2","1") = "4"
    & skf21("5","4","5","5","1","3","3","1") = "4"
    & skf21("5","4","5","5","1","3","4","1") = "4"
    & skf21("5","4","5","5","1","3","5","1") = "4"
    & skf21("5","4","5","5","1","3","6","1") = "5"
    & skf21("5","4","5","5","1","3","7","1") = "6"
    & skf21("5","4","5","5","1","4","1","1") = "4"
    & skf21("5","4","5","5","1","4","2","1") = "4"
    & skf21("5","4","5","5","1","4","3","1") = "4"
    & skf21("5","4","5","5","1","4","4","1") = "4"
    & skf21("5","4","5","5","1","4","5","1") = "4"
    & skf21("5","4","5","5","1","4","6","1") = "5"
    & skf21("5","4","5","5","1","4","7","1") = "6"
    & skf21("5","4","5","5","1","5","1","1") = "4"
    & skf21("5","4","5","5","1","5","2","1") = "4"
    & skf21("5","4","5","5","1","5","3","1") = "4"
    & skf21("5","4","5","5","1","5","4","1") = "4"
    & skf21("5","4","5","5","1","5","5","1") = "4"
    & skf21("5","4","5","5","1","5","6","1") = "5"
    & skf21("5","4","5","5","1","5","7","1") = "6"
    & skf21("5","4","5","5","1","6","1","1") = "5"
    & skf21("5","4","5","5","1","6","2","1") = "5"
    & skf21("5","4","5","5","1","6","3","1") = "5"
    & skf21("5","4","5","5","1","6","4","1") = "5"
    & skf21("5","4","5","5","1","6","5","1") = "5"
    & skf21("5","4","5","5","1","6","6","1") = "5"
    & skf21("5","4","5","5","1","6","7","1") = "6"
    & skf21("5","4","5","5","1","7","1","1") = "6"
    & skf21("5","4","5","5","1","7","2","1") = "6"
    & skf21("5","4","5","5","1","7","3","1") = "6"
    & skf21("5","4","5","5","1","7","4","1") = "6"
    & skf21("5","4","5","5","1","7","5","1") = "6"
    & skf21("5","4","5","5","1","7","6","1") = "6"
    & skf21("5","4","5","5","1","7","7","1") = "6"
    & skf21("5","4","5","5","2","1","1","1") = "4"
    & skf21("5","4","5","5","2","1","2","1") = "4"
    & skf21("5","4","5","5","2","1","3","1") = "4"
    & skf21("5","4","5","5","2","1","4","1") = "4"
    & skf21("5","4","5","5","2","1","5","1") = "4"
    & skf21("5","4","5","5","2","1","6","1") = "5"
    & skf21("5","4","5","5","2","1","7","1") = "6"
    & skf21("5","4","5","5","2","2","1","1") = "4"
    & skf21("5","4","5","5","2","2","2","1") = "4"
    & skf21("5","4","5","5","2","2","3","1") = "4"
    & skf21("5","4","5","5","2","2","4","1") = "4"
    & skf21("5","4","5","5","2","2","5","1") = "4"
    & skf21("5","4","5","5","2","2","6","1") = "5"
    & skf21("5","4","5","5","2","2","7","1") = "6"
    & skf21("5","4","5","5","2","3","1","1") = "4"
    & skf21("5","4","5","5","2","3","2","1") = "4"
    & skf21("5","4","5","5","2","3","3","1") = "4"
    & skf21("5","4","5","5","2","3","4","1") = "4"
    & skf21("5","4","5","5","2","3","5","1") = "4"
    & skf21("5","4","5","5","2","3","6","1") = "5"
    & skf21("5","4","5","5","2","3","7","1") = "6"
    & skf21("5","4","5","5","2","4","1","1") = "4"
    & skf21("5","4","5","5","2","4","2","1") = "4"
    & skf21("5","4","5","5","2","4","3","1") = "4"
    & skf21("5","4","5","5","2","4","4","1") = "4"
    & skf21("5","4","5","5","2","4","5","1") = "4"
    & skf21("5","4","5","5","2","4","6","1") = "5"
    & skf21("5","4","5","5","2","4","7","1") = "6"
    & skf21("5","4","5","5","2","5","1","1") = "4"
    & skf21("5","4","5","5","2","5","2","1") = "4"
    & skf21("5","4","5","5","2","5","3","1") = "4"
    & skf21("5","4","5","5","2","5","4","1") = "4"
    & skf21("5","4","5","5","2","5","5","1") = "4"
    & skf21("5","4","5","5","2","5","6","1") = "5"
    & skf21("5","4","5","5","2","5","7","1") = "6"
    & skf21("5","4","5","5","2","6","1","1") = "5"
    & skf21("5","4","5","5","2","6","2","1") = "5"
    & skf21("5","4","5","5","2","6","3","1") = "5"
    & skf21("5","4","5","5","2","6","4","1") = "5"
    & skf21("5","4","5","5","2","6","5","1") = "5"
    & skf21("5","4","5","5","2","6","6","1") = "5"
    & skf21("5","4","5","5","2","6","7","1") = "6"
    & skf21("5","4","5","5","2","7","1","1") = "6"
    & skf21("5","4","5","5","2","7","2","1") = "6"
    & skf21("5","4","5","5","2","7","3","1") = "6"
    & skf21("5","4","5","5","2","7","4","1") = "6"
    & skf21("5","4","5","5","2","7","5","1") = "6"
    & skf21("5","4","5","5","2","7","6","1") = "6"
    & skf21("5","4","5","5","2","7","7","1") = "6"
    & skf21("5","4","5","5","3","1","1","1") = "4"
    & skf21("5","4","5","5","3","1","2","1") = "4"
    & skf21("5","4","5","5","3","1","3","1") = "4"
    & skf21("5","4","5","5","3","1","4","1") = "4"
    & skf21("5","4","5","5","3","1","5","1") = "4"
    & skf21("5","4","5","5","3","1","6","1") = "5"
    & skf21("5","4","5","5","3","1","7","1") = "6"
    & skf21("5","4","5","5","3","2","1","1") = "4"
    & skf21("5","4","5","5","3","2","2","1") = "4"
    & skf21("5","4","5","5","3","2","3","1") = "4"
    & skf21("5","4","5","5","3","2","4","1") = "4"
    & skf21("5","4","5","5","3","2","5","1") = "4"
    & skf21("5","4","5","5","3","2","6","1") = "5"
    & skf21("5","4","5","5","3","2","7","1") = "6"
    & skf21("5","4","5","5","3","3","1","1") = "4"
    & skf21("5","4","5","5","3","3","2","1") = "4"
    & skf21("5","4","5","5","3","3","3","1") = "4"
    & skf21("5","4","5","5","3","3","4","1") = "4"
    & skf21("5","4","5","5","3","3","5","1") = "4"
    & skf21("5","4","5","5","3","3","6","1") = "5"
    & skf21("5","4","5","5","3","3","7","1") = "6"
    & skf21("5","4","5","5","3","4","1","1") = "4"
    & skf21("5","4","5","5","3","4","2","1") = "4"
    & skf21("5","4","5","5","3","4","3","1") = "4"
    & skf21("5","4","5","5","3","4","4","1") = "4"
    & skf21("5","4","5","5","3","4","5","1") = "4"
    & skf21("5","4","5","5","3","4","6","1") = "5"
    & skf21("5","4","5","5","3","4","7","1") = "6"
    & skf21("5","4","5","5","3","5","1","1") = "4"
    & skf21("5","4","5","5","3","5","2","1") = "4"
    & skf21("5","4","5","5","3","5","3","1") = "4"
    & skf21("5","4","5","5","3","5","4","1") = "4"
    & skf21("5","4","5","5","3","5","5","1") = "4"
    & skf21("5","4","5","5","3","5","6","1") = "5"
    & skf21("5","4","5","5","3","5","7","1") = "6"
    & skf21("5","4","5","5","3","6","1","1") = "5"
    & skf21("5","4","5","5","3","6","2","1") = "5"
    & skf21("5","4","5","5","3","6","3","1") = "5"
    & skf21("5","4","5","5","3","6","4","1") = "5"
    & skf21("5","4","5","5","3","6","5","1") = "5"
    & skf21("5","4","5","5","3","6","6","1") = "5"
    & skf21("5","4","5","5","3","6","7","1") = "6"
    & skf21("5","4","5","5","3","7","1","1") = "6"
    & skf21("5","4","5","5","3","7","2","1") = "6"
    & skf21("5","4","5","5","3","7","3","1") = "6"
    & skf21("5","4","5","5","3","7","4","1") = "6"
    & skf21("5","4","5","5","3","7","5","1") = "6"
    & skf21("5","4","5","5","3","7","6","1") = "6"
    & skf21("5","4","5","5","3","7","7","1") = "6"
    & skf21("5","4","5","5","4","1","1","1") = "4"
    & skf21("5","4","5","5","4","1","2","1") = "4"
    & skf21("5","4","5","5","4","1","3","1") = "4"
    & skf21("5","4","5","5","4","1","4","1") = "4"
    & skf21("5","4","5","5","4","1","5","1") = "4"
    & skf21("5","4","5","5","4","1","6","1") = "5"
    & skf21("5","4","5","5","4","1","7","1") = "6"
    & skf21("5","4","5","5","4","2","1","1") = "4"
    & skf21("5","4","5","5","4","2","2","1") = "4"
    & skf21("5","4","5","5","4","2","3","1") = "4"
    & skf21("5","4","5","5","4","2","4","1") = "4"
    & skf21("5","4","5","5","4","2","5","1") = "4"
    & skf21("5","4","5","5","4","2","6","1") = "5"
    & skf21("5","4","5","5","4","2","7","1") = "6"
    & skf21("5","4","5","5","4","3","1","1") = "4"
    & skf21("5","4","5","5","4","3","2","1") = "4"
    & skf21("5","4","5","5","4","3","3","1") = "4"
    & skf21("5","4","5","5","4","3","4","1") = "4"
    & skf21("5","4","5","5","4","3","5","1") = "4"
    & skf21("5","4","5","5","4","3","6","1") = "5"
    & skf21("5","4","5","5","4","3","7","1") = "6"
    & skf21("5","4","5","5","4","4","1","1") = "4"
    & skf21("5","4","5","5","4","4","2","1") = "4"
    & skf21("5","4","5","5","4","4","3","1") = "4"
    & skf21("5","4","5","5","4","4","4","1") = "4"
    & skf21("5","4","5","5","4","4","5","1") = "4"
    & skf21("5","4","5","5","4","4","6","1") = "5"
    & skf21("5","4","5","5","4","4","7","1") = "6"
    & skf21("5","4","5","5","4","5","1","1") = "4"
    & skf21("5","4","5","5","4","5","2","1") = "4"
    & skf21("5","4","5","5","4","5","3","1") = "4"
    & skf21("5","4","5","5","4","5","4","1") = "4"
    & skf21("5","4","5","5","4","5","5","1") = "4"
    & skf21("5","4","5","5","4","5","6","1") = "5"
    & skf21("5","4","5","5","4","5","7","1") = "6"
    & skf21("5","4","5","5","4","6","1","1") = "5"
    & skf21("5","4","5","5","4","6","2","1") = "5"
    & skf21("5","4","5","5","4","6","3","1") = "5"
    & skf21("5","4","5","5","4","6","4","1") = "5"
    & skf21("5","4","5","5","4","6","5","1") = "5"
    & skf21("5","4","5","5","4","6","6","1") = "5"
    & skf21("5","4","5","5","4","6","7","1") = "6"
    & skf21("5","4","5","5","4","7","1","1") = "6"
    & skf21("5","4","5","5","4","7","2","1") = "6"
    & skf21("5","4","5","5","4","7","3","1") = "6"
    & skf21("5","4","5","5","4","7","4","1") = "6"
    & skf21("5","4","5","5","4","7","5","1") = "6"
    & skf21("5","4","5","5","4","7","6","1") = "6"
    & skf21("5","4","5","5","4","7","7","1") = "6"
    & skf21("5","4","5","5","5","1","1","1") = "4"
    & skf21("5","4","5","5","5","1","2","1") = "4"
    & skf21("5","4","5","5","5","1","3","1") = "4"
    & skf21("5","4","5","5","5","1","4","1") = "4"
    & skf21("5","4","5","5","5","1","5","1") = "4"
    & skf21("5","4","5","5","5","1","6","1") = "5"
    & skf21("5","4","5","5","5","1","7","1") = "6"
    & skf21("5","4","5","5","5","2","1","1") = "4"
    & skf21("5","4","5","5","5","2","2","1") = "4"
    & skf21("5","4","5","5","5","2","3","1") = "4"
    & skf21("5","4","5","5","5","2","4","1") = "4"
    & skf21("5","4","5","5","5","2","5","1") = "4"
    & skf21("5","4","5","5","5","2","6","1") = "5"
    & skf21("5","4","5","5","5","2","7","1") = "6"
    & skf21("5","4","5","5","5","3","1","1") = "4"
    & skf21("5","4","5","5","5","3","2","1") = "4"
    & skf21("5","4","5","5","5","3","3","1") = "4"
    & skf21("5","4","5","5","5","3","4","1") = "4"
    & skf21("5","4","5","5","5","3","5","1") = "4"
    & skf21("5","4","5","5","5","3","6","1") = "5"
    & skf21("5","4","5","5","5","3","7","1") = "6"
    & skf21("5","4","5","5","5","4","1","1") = "4"
    & skf21("5","4","5","5","5","4","2","1") = "4"
    & skf21("5","4","5","5","5","4","3","1") = "4"
    & skf21("5","4","5","5","5","4","4","1") = "4"
    & skf21("5","4","5","5","5","4","5","1") = "4"
    & skf21("5","4","5","5","5","4","6","1") = "5"
    & skf21("5","4","5","5","5","4","7","1") = "6"
    & skf21("5","4","5","5","5","5","1","1") = "4"
    & skf21("5","4","5","5","5","5","2","1") = "4"
    & skf21("5","4","5","5","5","5","3","1") = "4"
    & skf21("5","4","5","5","5","5","4","1") = "4"
    & skf21("5","4","5","5","5","5","5","1") = "4"
    & skf21("5","4","5","5","5","5","6","1") = "5"
    & skf21("5","4","5","5","5","5","7","1") = "6"
    & skf21("5","4","5","5","5","6","1","1") = "5"
    & skf21("5","4","5","5","5","6","2","1") = "5"
    & skf21("5","4","5","5","5","6","3","1") = "5"
    & skf21("5","4","5","5","5","6","4","1") = "5"
    & skf21("5","4","5","5","5","6","5","1") = "5"
    & skf21("5","4","5","5","5","6","6","1") = "5"
    & skf21("5","4","5","5","5","6","7","1") = "6"
    & skf21("5","4","5","5","5","7","1","1") = "6"
    & skf21("5","4","5","5","5","7","2","1") = "6"
    & skf21("5","4","5","5","5","7","3","1") = "6"
    & skf21("5","4","5","5","5","7","4","1") = "6"
    & skf21("5","4","5","5","5","7","5","1") = "6"
    & skf21("5","4","5","5","5","7","6","1") = "6"
    & skf21("5","4","5","5","5","7","7","1") = "6"
    & skf21("5","4","5","5","6","1","1","1") = "5"
    & skf21("5","4","5","5","6","1","2","1") = "5"
    & skf21("5","4","5","5","6","1","3","1") = "5"
    & skf21("5","4","5","5","6","1","4","1") = "5"
    & skf21("5","4","5","5","6","1","5","1") = "5"
    & skf21("5","4","5","5","6","1","6","1") = "5"
    & skf21("5","4","5","5","6","1","7","1") = "6"
    & skf21("5","4","5","5","6","2","1","1") = "5"
    & skf21("5","4","5","5","6","2","2","1") = "5"
    & skf21("5","4","5","5","6","2","3","1") = "5"
    & skf21("5","4","5","5","6","2","4","1") = "5"
    & skf21("5","4","5","5","6","2","5","1") = "5"
    & skf21("5","4","5","5","6","2","6","1") = "5"
    & skf21("5","4","5","5","6","2","7","1") = "6"
    & skf21("5","4","5","5","6","3","1","1") = "5"
    & skf21("5","4","5","5","6","3","2","1") = "5"
    & skf21("5","4","5","5","6","3","3","1") = "5"
    & skf21("5","4","5","5","6","3","4","1") = "5"
    & skf21("5","4","5","5","6","3","5","1") = "5"
    & skf21("5","4","5","5","6","3","6","1") = "5"
    & skf21("5","4","5","5","6","3","7","1") = "6"
    & skf21("5","4","5","5","6","4","1","1") = "5"
    & skf21("5","4","5","5","6","4","2","1") = "5"
    & skf21("5","4","5","5","6","4","3","1") = "5"
    & skf21("5","4","5","5","6","4","4","1") = "5"
    & skf21("5","4","5","5","6","4","5","1") = "5"
    & skf21("5","4","5","5","6","4","6","1") = "5"
    & skf21("5","4","5","5","6","4","7","1") = "6"
    & skf21("5","4","5","5","6","5","1","1") = "5"
    & skf21("5","4","5","5","6","5","2","1") = "5"
    & skf21("5","4","5","5","6","5","3","1") = "5"
    & skf21("5","4","5","5","6","5","4","1") = "5"
    & skf21("5","4","5","5","6","5","5","1") = "5"
    & skf21("5","4","5","5","6","5","6","1") = "5"
    & skf21("5","4","5","5","6","5","7","1") = "6"
    & skf21("5","4","5","5","6","6","1","1") = "5"
    & skf21("5","4","5","5","6","6","2","1") = "5"
    & skf21("5","4","5","5","6","6","3","1") = "5"
    & skf21("5","4","5","5","6","6","4","1") = "5"
    & skf21("5","4","5","5","6","6","5","1") = "5"
    & skf21("5","4","5","5","6","6","6","1") = "5"
    & skf21("5","4","5","5","6","6","7","1") = "6"
    & skf21("5","4","5","5","6","7","1","1") = "6"
    & skf21("5","4","5","5","6","7","2","1") = "6"
    & skf21("5","4","5","5","6","7","3","1") = "6"
    & skf21("5","4","5","5","6","7","4","1") = "6"
    & skf21("5","4","5","5","6","7","5","1") = "6"
    & skf21("5","4","5","5","6","7","6","1") = "6"
    & skf21("5","4","5","5","6","7","7","1") = "6"
    & skf21("5","4","5","5","7","1","1","1") = "6"
    & skf21("5","4","5","5","7","1","2","1") = "6"
    & skf21("5","4","5","5","7","1","3","1") = "6"
    & skf21("5","4","5","5","7","1","4","1") = "6"
    & skf21("5","4","5","5","7","1","5","1") = "6"
    & skf21("5","4","5","5","7","1","6","1") = "6"
    & skf21("5","4","5","5","7","1","7","1") = "6"
    & skf21("5","4","5","5","7","2","1","1") = "6"
    & skf21("5","4","5","5","7","2","2","1") = "6"
    & skf21("5","4","5","5","7","2","3","1") = "6"
    & skf21("5","4","5","5","7","2","4","1") = "6"
    & skf21("5","4","5","5","7","2","5","1") = "6"
    & skf21("5","4","5","5","7","2","6","1") = "6"
    & skf21("5","4","5","5","7","2","7","1") = "6"
    & skf21("5","4","5","5","7","3","1","1") = "6"
    & skf21("5","4","5","5","7","3","2","1") = "6"
    & skf21("5","4","5","5","7","3","3","1") = "6"
    & skf21("5","4","5","5","7","3","4","1") = "6"
    & skf21("5","4","5","5","7","3","5","1") = "6"
    & skf21("5","4","5","5","7","3","6","1") = "6"
    & skf21("5","4","5","5","7","3","7","1") = "6"
    & skf21("5","4","5","5","7","4","1","1") = "6"
    & skf21("5","4","5","5","7","4","2","1") = "6"
    & skf21("5","4","5","5","7","4","3","1") = "6"
    & skf21("5","4","5","5","7","4","4","1") = "6"
    & skf21("5","4","5","5","7","4","5","1") = "6"
    & skf21("5","4","5","5","7","4","6","1") = "6"
    & skf21("5","4","5","5","7","4","7","1") = "6"
    & skf21("5","4","5","5","7","5","1","1") = "6"
    & skf21("5","4","5","5","7","5","2","1") = "6"
    & skf21("5","4","5","5","7","5","3","1") = "6"
    & skf21("5","4","5","5","7","5","4","1") = "6"
    & skf21("5","4","5","5","7","5","5","1") = "6"
    & skf21("5","4","5","5","7","5","6","1") = "6"
    & skf21("5","4","5","5","7","5","7","1") = "6"
    & skf21("5","4","5","5","7","6","1","1") = "6"
    & skf21("5","4","5","5","7","6","2","1") = "6"
    & skf21("5","4","5","5","7","6","3","1") = "6"
    & skf21("5","4","5","5","7","6","4","1") = "6"
    & skf21("5","4","5","5","7","6","5","1") = "6"
    & skf21("5","4","5","5","7","6","6","1") = "6"
    & skf21("5","4","5","5","7","6","7","1") = "6"
    & skf21("5","4","5","5","7","7","1","1") = "6"
    & skf21("5","4","5","5","7","7","2","1") = "6"
    & skf21("5","4","5","5","7","7","3","1") = "6"
    & skf21("5","4","5","5","7","7","4","1") = "6"
    & skf21("5","4","5","5","7","7","5","1") = "6"
    & skf21("5","4","5","5","7","7","6","1") = "6"
    & skf21("5","4","5","5","7","7","7","1") = "6"
    & skf21("5","4","5","6","1","1","1","1") = "5"
    & skf21("5","4","5","6","1","1","2","1") = "5"
    & skf21("5","4","5","6","1","1","3","1") = "5"
    & skf21("5","4","5","6","1","1","4","1") = "5"
    & skf21("5","4","5","6","1","1","5","1") = "5"
    & skf21("5","4","5","6","1","1","6","1") = "5"
    & skf21("5","4","5","6","1","1","7","1") = "6"
    & skf21("5","4","5","6","1","2","1","1") = "5"
    & skf21("5","4","5","6","1","2","2","1") = "5"
    & skf21("5","4","5","6","1","2","3","1") = "5"
    & skf21("5","4","5","6","1","2","4","1") = "5"
    & skf21("5","4","5","6","1","2","5","1") = "5"
    & skf21("5","4","5","6","1","2","6","1") = "5"
    & skf21("5","4","5","6","1","2","7","1") = "6"
    & skf21("5","4","5","6","1","3","1","1") = "5"
    & skf21("5","4","5","6","1","3","2","1") = "5"
    & skf21("5","4","5","6","1","3","3","1") = "5"
    & skf21("5","4","5","6","1","3","4","1") = "5"
    & skf21("5","4","5","6","1","3","5","1") = "5"
    & skf21("5","4","5","6","1","3","6","1") = "5"
    & skf21("5","4","5","6","1","3","7","1") = "6"
    & skf21("5","4","5","6","1","4","1","1") = "5"
    & skf21("5","4","5","6","1","4","2","1") = "5"
    & skf21("5","4","5","6","1","4","3","1") = "5"
    & skf21("5","4","5","6","1","4","4","1") = "5"
    & skf21("5","4","5","6","1","4","5","1") = "5"
    & skf21("5","4","5","6","1","4","6","1") = "5"
    & skf21("5","4","5","6","1","4","7","1") = "6"
    & skf21("5","4","5","6","1","5","1","1") = "5"
    & skf21("5","4","5","6","1","5","2","1") = "5"
    & skf21("5","4","5","6","1","5","3","1") = "5"
    & skf21("5","4","5","6","1","5","4","1") = "5"
    & skf21("5","4","5","6","1","5","5","1") = "5"
    & skf21("5","4","5","6","1","5","6","1") = "5"
    & skf21("5","4","5","6","1","5","7","1") = "6"
    & skf21("5","4","5","6","1","6","1","1") = "5"
    & skf21("5","4","5","6","1","6","2","1") = "5"
    & skf21("5","4","5","6","1","6","3","1") = "5"
    & skf21("5","4","5","6","1","6","4","1") = "5"
    & skf21("5","4","5","6","1","6","5","1") = "5"
    & skf21("5","4","5","6","1","6","6","1") = "5"
    & skf21("5","4","5","6","1","6","7","1") = "6"
    & skf21("5","4","5","6","1","7","1","1") = "6"
    & skf21("5","4","5","6","1","7","2","1") = "6"
    & skf21("5","4","5","6","1","7","3","1") = "6"
    & skf21("5","4","5","6","1","7","4","1") = "6"
    & skf21("5","4","5","6","1","7","5","1") = "6"
    & skf21("5","4","5","6","1","7","6","1") = "6"
    & skf21("5","4","5","6","1","7","7","1") = "6"
    & skf21("5","4","5","6","2","1","1","1") = "5"
    & skf21("5","4","5","6","2","1","2","1") = "5"
    & skf21("5","4","5","6","2","1","3","1") = "5"
    & skf21("5","4","5","6","2","1","4","1") = "5"
    & skf21("5","4","5","6","2","1","5","1") = "5"
    & skf21("5","4","5","6","2","1","6","1") = "5"
    & skf21("5","4","5","6","2","1","7","1") = "6"
    & skf21("5","4","5","6","2","2","1","1") = "5"
    & skf21("5","4","5","6","2","2","2","1") = "5"
    & skf21("5","4","5","6","2","2","3","1") = "5"
    & skf21("5","4","5","6","2","2","4","1") = "5"
    & skf21("5","4","5","6","2","2","5","1") = "5"
    & skf21("5","4","5","6","2","2","6","1") = "5"
    & skf21("5","4","5","6","2","2","7","1") = "6"
    & skf21("5","4","5","6","2","3","1","1") = "5"
    & skf21("5","4","5","6","2","3","2","1") = "5"
    & skf21("5","4","5","6","2","3","3","1") = "5"
    & skf21("5","4","5","6","2","3","4","1") = "5"
    & skf21("5","4","5","6","2","3","5","1") = "5"
    & skf21("5","4","5","6","2","3","6","1") = "5"
    & skf21("5","4","5","6","2","3","7","1") = "6"
    & skf21("5","4","5","6","2","4","1","1") = "5"
    & skf21("5","4","5","6","2","4","2","1") = "5"
    & skf21("5","4","5","6","2","4","3","1") = "5"
    & skf21("5","4","5","6","2","4","4","1") = "5"
    & skf21("5","4","5","6","2","4","5","1") = "5"
    & skf21("5","4","5","6","2","4","6","1") = "5"
    & skf21("5","4","5","6","2","4","7","1") = "6"
    & skf21("5","4","5","6","2","5","1","1") = "5"
    & skf21("5","4","5","6","2","5","2","1") = "5"
    & skf21("5","4","5","6","2","5","3","1") = "5"
    & skf21("5","4","5","6","2","5","4","1") = "5"
    & skf21("5","4","5","6","2","5","5","1") = "5"
    & skf21("5","4","5","6","2","5","6","1") = "5"
    & skf21("5","4","5","6","2","5","7","1") = "6"
    & skf21("5","4","5","6","2","6","1","1") = "5"
    & skf21("5","4","5","6","2","6","2","1") = "5"
    & skf21("5","4","5","6","2","6","3","1") = "5"
    & skf21("5","4","5","6","2","6","4","1") = "5"
    & skf21("5","4","5","6","2","6","5","1") = "5"
    & skf21("5","4","5","6","2","6","6","1") = "5"
    & skf21("5","4","5","6","2","6","7","1") = "6"
    & skf21("5","4","5","6","2","7","1","1") = "6"
    & skf21("5","4","5","6","2","7","2","1") = "6"
    & skf21("5","4","5","6","2","7","3","1") = "6"
    & skf21("5","4","5","6","2","7","4","1") = "6"
    & skf21("5","4","5","6","2","7","5","1") = "6"
    & skf21("5","4","5","6","2","7","6","1") = "6"
    & skf21("5","4","5","6","2","7","7","1") = "6"
    & skf21("5","4","5","6","3","1","1","1") = "5"
    & skf21("5","4","5","6","3","1","2","1") = "5"
    & skf21("5","4","5","6","3","1","3","1") = "5"
    & skf21("5","4","5","6","3","1","4","1") = "5"
    & skf21("5","4","5","6","3","1","5","1") = "5"
    & skf21("5","4","5","6","3","1","6","1") = "5"
    & skf21("5","4","5","6","3","1","7","1") = "6"
    & skf21("5","4","5","6","3","2","1","1") = "5"
    & skf21("5","4","5","6","3","2","2","1") = "5"
    & skf21("5","4","5","6","3","2","3","1") = "5"
    & skf21("5","4","5","6","3","2","4","1") = "5"
    & skf21("5","4","5","6","3","2","5","1") = "5"
    & skf21("5","4","5","6","3","2","6","1") = "5"
    & skf21("5","4","5","6","3","2","7","1") = "6"
    & skf21("5","4","5","6","3","3","1","1") = "5"
    & skf21("5","4","5","6","3","3","2","1") = "5"
    & skf21("5","4","5","6","3","3","3","1") = "5"
    & skf21("5","4","5","6","3","3","4","1") = "5"
    & skf21("5","4","5","6","3","3","5","1") = "5"
    & skf21("5","4","5","6","3","3","6","1") = "5"
    & skf21("5","4","5","6","3","3","7","1") = "6"
    & skf21("5","4","5","6","3","4","1","1") = "5"
    & skf21("5","4","5","6","3","4","2","1") = "5"
    & skf21("5","4","5","6","3","4","3","1") = "5"
    & skf21("5","4","5","6","3","4","4","1") = "5"
    & skf21("5","4","5","6","3","4","5","1") = "5"
    & skf21("5","4","5","6","3","4","6","1") = "5"
    & skf21("5","4","5","6","3","4","7","1") = "6"
    & skf21("5","4","5","6","3","5","1","1") = "5"
    & skf21("5","4","5","6","3","5","2","1") = "5"
    & skf21("5","4","5","6","3","5","3","1") = "5"
    & skf21("5","4","5","6","3","5","4","1") = "5"
    & skf21("5","4","5","6","3","5","5","1") = "5"
    & skf21("5","4","5","6","3","5","6","1") = "5"
    & skf21("5","4","5","6","3","5","7","1") = "6"
    & skf21("5","4","5","6","3","6","1","1") = "5"
    & skf21("5","4","5","6","3","6","2","1") = "5"
    & skf21("5","4","5","6","3","6","3","1") = "5"
    & skf21("5","4","5","6","3","6","4","1") = "5"
    & skf21("5","4","5","6","3","6","5","1") = "5"
    & skf21("5","4","5","6","3","6","6","1") = "5"
    & skf21("5","4","5","6","3","6","7","1") = "6"
    & skf21("5","4","5","6","3","7","1","1") = "6"
    & skf21("5","4","5","6","3","7","2","1") = "6"
    & skf21("5","4","5","6","3","7","3","1") = "6"
    & skf21("5","4","5","6","3","7","4","1") = "6"
    & skf21("5","4","5","6","3","7","5","1") = "6"
    & skf21("5","4","5","6","3","7","6","1") = "6"
    & skf21("5","4","5","6","3","7","7","1") = "6"
    & skf21("5","4","5","6","4","1","1","1") = "5"
    & skf21("5","4","5","6","4","1","2","1") = "5"
    & skf21("5","4","5","6","4","1","3","1") = "5"
    & skf21("5","4","5","6","4","1","4","1") = "5"
    & skf21("5","4","5","6","4","1","5","1") = "5"
    & skf21("5","4","5","6","4","1","6","1") = "5"
    & skf21("5","4","5","6","4","1","7","1") = "6"
    & skf21("5","4","5","6","4","2","1","1") = "5"
    & skf21("5","4","5","6","4","2","2","1") = "5"
    & skf21("5","4","5","6","4","2","3","1") = "5"
    & skf21("5","4","5","6","4","2","4","1") = "5"
    & skf21("5","4","5","6","4","2","5","1") = "5"
    & skf21("5","4","5","6","4","2","6","1") = "5"
    & skf21("5","4","5","6","4","2","7","1") = "6"
    & skf21("5","4","5","6","4","3","1","1") = "5"
    & skf21("5","4","5","6","4","3","2","1") = "5"
    & skf21("5","4","5","6","4","3","3","1") = "5"
    & skf21("5","4","5","6","4","3","4","1") = "5"
    & skf21("5","4","5","6","4","3","5","1") = "5"
    & skf21("5","4","5","6","4","3","6","1") = "5"
    & skf21("5","4","5","6","4","3","7","1") = "6"
    & skf21("5","4","5","6","4","4","1","1") = "5"
    & skf21("5","4","5","6","4","4","2","1") = "5"
    & skf21("5","4","5","6","4","4","3","1") = "5"
    & skf21("5","4","5","6","4","4","4","1") = "5"
    & skf21("5","4","5","6","4","4","5","1") = "5"
    & skf21("5","4","5","6","4","4","6","1") = "5"
    & skf21("5","4","5","6","4","4","7","1") = "6"
    & skf21("5","4","5","6","4","5","1","1") = "5"
    & skf21("5","4","5","6","4","5","2","1") = "5"
    & skf21("5","4","5","6","4","5","3","1") = "5"
    & skf21("5","4","5","6","4","5","4","1") = "5"
    & skf21("5","4","5","6","4","5","5","1") = "5"
    & skf21("5","4","5","6","4","5","6","1") = "5"
    & skf21("5","4","5","6","4","5","7","1") = "6"
    & skf21("5","4","5","6","4","6","1","1") = "5"
    & skf21("5","4","5","6","4","6","2","1") = "5"
    & skf21("5","4","5","6","4","6","3","1") = "5"
    & skf21("5","4","5","6","4","6","4","1") = "5"
    & skf21("5","4","5","6","4","6","5","1") = "5"
    & skf21("5","4","5","6","4","6","6","1") = "5"
    & skf21("5","4","5","6","4","6","7","1") = "6"
    & skf21("5","4","5","6","4","7","1","1") = "6"
    & skf21("5","4","5","6","4","7","2","1") = "6"
    & skf21("5","4","5","6","4","7","3","1") = "6"
    & skf21("5","4","5","6","4","7","4","1") = "6"
    & skf21("5","4","5","6","4","7","5","1") = "6"
    & skf21("5","4","5","6","4","7","6","1") = "6"
    & skf21("5","4","5","6","4","7","7","1") = "6"
    & skf21("5","4","5","6","5","1","1","1") = "5"
    & skf21("5","4","5","6","5","1","2","1") = "5"
    & skf21("5","4","5","6","5","1","3","1") = "5"
    & skf21("5","4","5","6","5","1","4","1") = "5"
    & skf21("5","4","5","6","5","1","5","1") = "5"
    & skf21("5","4","5","6","5","1","6","1") = "5"
    & skf21("5","4","5","6","5","1","7","1") = "6"
    & skf21("5","4","5","6","5","2","1","1") = "5"
    & skf21("5","4","5","6","5","2","2","1") = "5"
    & skf21("5","4","5","6","5","2","3","1") = "5"
    & skf21("5","4","5","6","5","2","4","1") = "5"
    & skf21("5","4","5","6","5","2","5","1") = "5"
    & skf21("5","4","5","6","5","2","6","1") = "5"
    & skf21("5","4","5","6","5","2","7","1") = "6"
    & skf21("5","4","5","6","5","3","1","1") = "5"
    & skf21("5","4","5","6","5","3","2","1") = "5"
    & skf21("5","4","5","6","5","3","3","1") = "5"
    & skf21("5","4","5","6","5","3","4","1") = "5"
    & skf21("5","4","5","6","5","3","5","1") = "5"
    & skf21("5","4","5","6","5","3","6","1") = "5"
    & skf21("5","4","5","6","5","3","7","1") = "6"
    & skf21("5","4","5","6","5","4","1","1") = "5"
    & skf21("5","4","5","6","5","4","2","1") = "5"
    & skf21("5","4","5","6","5","4","3","1") = "5"
    & skf21("5","4","5","6","5","4","4","1") = "5"
    & skf21("5","4","5","6","5","4","5","1") = "5"
    & skf21("5","4","5","6","5","4","6","1") = "5"
    & skf21("5","4","5","6","5","4","7","1") = "6"
    & skf21("5","4","5","6","5","5","1","1") = "5"
    & skf21("5","4","5","6","5","5","2","1") = "5"
    & skf21("5","4","5","6","5","5","3","1") = "5"
    & skf21("5","4","5","6","5","5","4","1") = "5"
    & skf21("5","4","5","6","5","5","5","1") = "5"
    & skf21("5","4","5","6","5","5","6","1") = "5"
    & skf21("5","4","5","6","5","5","7","1") = "6"
    & skf21("5","4","5","6","5","6","1","1") = "5"
    & skf21("5","4","5","6","5","6","2","1") = "5"
    & skf21("5","4","5","6","5","6","3","1") = "5"
    & skf21("5","4","5","6","5","6","4","1") = "5"
    & skf21("5","4","5","6","5","6","5","1") = "5"
    & skf21("5","4","5","6","5","6","6","1") = "5"
    & skf21("5","4","5","6","5","6","7","1") = "6"
    & skf21("5","4","5","6","5","7","1","1") = "6"
    & skf21("5","4","5","6","5","7","2","1") = "6"
    & skf21("5","4","5","6","5","7","3","1") = "6"
    & skf21("5","4","5","6","5","7","4","1") = "6"
    & skf21("5","4","5","6","5","7","5","1") = "6"
    & skf21("5","4","5","6","5","7","6","1") = "6"
    & skf21("5","4","5","6","5","7","7","1") = "6"
    & skf21("5","4","5","6","6","1","1","1") = "5"
    & skf21("5","4","5","6","6","1","2","1") = "5"
    & skf21("5","4","5","6","6","1","3","1") = "5"
    & skf21("5","4","5","6","6","1","4","1") = "5"
    & skf21("5","4","5","6","6","1","5","1") = "5"
    & skf21("5","4","5","6","6","1","6","1") = "5"
    & skf21("5","4","5","6","6","1","7","1") = "6"
    & skf21("5","4","5","6","6","2","1","1") = "5"
    & skf21("5","4","5","6","6","2","2","1") = "5"
    & skf21("5","4","5","6","6","2","3","1") = "5"
    & skf21("5","4","5","6","6","2","4","1") = "5"
    & skf21("5","4","5","6","6","2","5","1") = "5"
    & skf21("5","4","5","6","6","2","6","1") = "5"
    & skf21("5","4","5","6","6","2","7","1") = "6"
    & skf21("5","4","5","6","6","3","1","1") = "5"
    & skf21("5","4","5","6","6","3","2","1") = "5"
    & skf21("5","4","5","6","6","3","3","1") = "5"
    & skf21("5","4","5","6","6","3","4","1") = "5"
    & skf21("5","4","5","6","6","3","5","1") = "5"
    & skf21("5","4","5","6","6","3","6","1") = "5"
    & skf21("5","4","5","6","6","3","7","1") = "6"
    & skf21("5","4","5","6","6","4","1","1") = "5"
    & skf21("5","4","5","6","6","4","2","1") = "5"
    & skf21("5","4","5","6","6","4","3","1") = "5"
    & skf21("5","4","5","6","6","4","4","1") = "5"
    & skf21("5","4","5","6","6","4","5","1") = "5"
    & skf21("5","4","5","6","6","4","6","1") = "5"
    & skf21("5","4","5","6","6","4","7","1") = "6"
    & skf21("5","4","5","6","6","5","1","1") = "5"
    & skf21("5","4","5","6","6","5","2","1") = "5"
    & skf21("5","4","5","6","6","5","3","1") = "5"
    & skf21("5","4","5","6","6","5","4","1") = "5"
    & skf21("5","4","5","6","6","5","5","1") = "5"
    & skf21("5","4","5","6","6","5","6","1") = "5"
    & skf21("5","4","5","6","6","5","7","1") = "6"
    & skf21("5","4","5","6","6","6","1","1") = "5"
    & skf21("5","4","5","6","6","6","2","1") = "5"
    & skf21("5","4","5","6","6","6","3","1") = "5"
    & skf21("5","4","5","6","6","6","4","1") = "5"
    & skf21("5","4","5","6","6","6","5","1") = "5"
    & skf21("5","4","5","6","6","6","6","1") = "5"
    & skf21("5","4","5","6","6","6","7","1") = "6"
    & skf21("5","4","5","6","6","7","1","1") = "6"
    & skf21("5","4","5","6","6","7","2","1") = "6"
    & skf21("5","4","5","6","6","7","3","1") = "6"
    & skf21("5","4","5","6","6","7","4","1") = "6"
    & skf21("5","4","5","6","6","7","5","1") = "6"
    & skf21("5","4","5","6","6","7","6","1") = "6"
    & skf21("5","4","5","6","6","7","7","1") = "6"
    & skf21("5","4","5","6","7","1","1","1") = "6"
    & skf21("5","4","5","6","7","1","2","1") = "6"
    & skf21("5","4","5","6","7","1","3","1") = "6"
    & skf21("5","4","5","6","7","1","4","1") = "6"
    & skf21("5","4","5","6","7","1","5","1") = "6"
    & skf21("5","4","5","6","7","1","6","1") = "6"
    & skf21("5","4","5","6","7","1","7","1") = "6"
    & skf21("5","4","5","6","7","2","1","1") = "6"
    & skf21("5","4","5","6","7","2","2","1") = "6"
    & skf21("5","4","5","6","7","2","3","1") = "6"
    & skf21("5","4","5","6","7","2","4","1") = "6"
    & skf21("5","4","5","6","7","2","5","1") = "6"
    & skf21("5","4","5","6","7","2","6","1") = "6"
    & skf21("5","4","5","6","7","2","7","1") = "6"
    & skf21("5","4","5","6","7","3","1","1") = "6"
    & skf21("5","4","5","6","7","3","2","1") = "6"
    & skf21("5","4","5","6","7","3","3","1") = "6"
    & skf21("5","4","5","6","7","3","4","1") = "6"
    & skf21("5","4","5","6","7","3","5","1") = "6"
    & skf21("5","4","5","6","7","3","6","1") = "6"
    & skf21("5","4","5","6","7","3","7","1") = "6"
    & skf21("5","4","5","6","7","4","1","1") = "6"
    & skf21("5","4","5","6","7","4","2","1") = "6"
    & skf21("5","4","5","6","7","4","3","1") = "6"
    & skf21("5","4","5","6","7","4","4","1") = "6"
    & skf21("5","4","5","6","7","4","5","1") = "6"
    & skf21("5","4","5","6","7","4","6","1") = "6"
    & skf21("5","4","5","6","7","4","7","1") = "6"
    & skf21("5","4","5","6","7","5","1","1") = "6"
    & skf21("5","4","5","6","7","5","2","1") = "6"
    & skf21("5","4","5","6","7","5","3","1") = "6"
    & skf21("5","4","5","6","7","5","4","1") = "6"
    & skf21("5","4","5","6","7","5","5","1") = "6"
    & skf21("5","4","5","6","7","5","6","1") = "6"
    & skf21("5","4","5","6","7","5","7","1") = "6"
    & skf21("5","4","5","6","7","6","1","1") = "6"
    & skf21("5","4","5","6","7","6","2","1") = "6"
    & skf21("5","4","5","6","7","6","3","1") = "6"
    & skf21("5","4","5","6","7","6","4","1") = "6"
    & skf21("5","4","5","6","7","6","5","1") = "6"
    & skf21("5","4","5","6","7","6","6","1") = "6"
    & skf21("5","4","5","6","7","6","7","1") = "6"
    & skf21("5","4","5","6","7","7","1","1") = "6"
    & skf21("5","4","5","6","7","7","2","1") = "6"
    & skf21("5","4","5","6","7","7","3","1") = "6"
    & skf21("5","4","5","6","7","7","4","1") = "6"
    & skf21("5","4","5","6","7","7","5","1") = "6"
    & skf21("5","4","5","6","7","7","6","1") = "6"
    & skf21("5","4","5","6","7","7","7","1") = "6"
    & skf21("5","4","5","7","1","1","1","1") = "6"
    & skf21("5","4","5","7","1","1","2","1") = "6"
    & skf21("5","4","5","7","1","1","3","1") = "6"
    & skf21("5","4","5","7","1","1","4","1") = "6"
    & skf21("5","4","5","7","1","1","5","1") = "6"
    & skf21("5","4","5","7","1","1","6","1") = "6"
    & skf21("5","4","5","7","1","1","7","1") = "6"
    & skf21("5","4","5","7","1","2","1","1") = "6"
    & skf21("5","4","5","7","1","2","2","1") = "6"
    & skf21("5","4","5","7","1","2","3","1") = "6"
    & skf21("5","4","5","7","1","2","4","1") = "6"
    & skf21("5","4","5","7","1","2","5","1") = "6"
    & skf21("5","4","5","7","1","2","6","1") = "6"
    & skf21("5","4","5","7","1","2","7","1") = "6"
    & skf21("5","4","5","7","1","3","1","1") = "6"
    & skf21("5","4","5","7","1","3","2","1") = "6"
    & skf21("5","4","5","7","1","3","3","1") = "6"
    & skf21("5","4","5","7","1","3","4","1") = "6"
    & skf21("5","4","5","7","1","3","5","1") = "6"
    & skf21("5","4","5","7","1","3","6","1") = "6"
    & skf21("5","4","5","7","1","3","7","1") = "6"
    & skf21("5","4","5","7","1","4","1","1") = "6"
    & skf21("5","4","5","7","1","4","2","1") = "6"
    & skf21("5","4","5","7","1","4","3","1") = "6"
    & skf21("5","4","5","7","1","4","4","1") = "6"
    & skf21("5","4","5","7","1","4","5","1") = "6"
    & skf21("5","4","5","7","1","4","6","1") = "6"
    & skf21("5","4","5","7","1","4","7","1") = "6"
    & skf21("5","4","5","7","1","5","1","1") = "6"
    & skf21("5","4","5","7","1","5","2","1") = "6"
    & skf21("5","4","5","7","1","5","3","1") = "6"
    & skf21("5","4","5","7","1","5","4","1") = "6"
    & skf21("5","4","5","7","1","5","5","1") = "6"
    & skf21("5","4","5","7","1","5","6","1") = "6"
    & skf21("5","4","5","7","1","5","7","1") = "6"
    & skf21("5","4","5","7","1","6","1","1") = "6"
    & skf21("5","4","5","7","1","6","2","1") = "6"
    & skf21("5","4","5","7","1","6","3","1") = "6"
    & skf21("5","4","5","7","1","6","4","1") = "6"
    & skf21("5","4","5","7","1","6","5","1") = "6"
    & skf21("5","4","5","7","1","6","6","1") = "6"
    & skf21("5","4","5","7","1","6","7","1") = "6"
    & skf21("5","4","5","7","1","7","1","1") = "6"
    & skf21("5","4","5","7","1","7","2","1") = "6"
    & skf21("5","4","5","7","1","7","3","1") = "6"
    & skf21("5","4","5","7","1","7","4","1") = "6"
    & skf21("5","4","5","7","1","7","5","1") = "6"
    & skf21("5","4","5","7","1","7","6","1") = "6"
    & skf21("5","4","5","7","1","7","7","1") = "6"
    & skf21("5","4","5","7","2","1","1","1") = "6"
    & skf21("5","4","5","7","2","1","2","1") = "6"
    & skf21("5","4","5","7","2","1","3","1") = "6"
    & skf21("5","4","5","7","2","1","4","1") = "6"
    & skf21("5","4","5","7","2","1","5","1") = "6"
    & skf21("5","4","5","7","2","1","6","1") = "6"
    & skf21("5","4","5","7","2","1","7","1") = "6"
    & skf21("5","4","5","7","2","2","1","1") = "6"
    & skf21("5","4","5","7","2","2","2","1") = "6"
    & skf21("5","4","5","7","2","2","3","1") = "6"
    & skf21("5","4","5","7","2","2","4","1") = "6"
    & skf21("5","4","5","7","2","2","5","1") = "6"
    & skf21("5","4","5","7","2","2","6","1") = "6"
    & skf21("5","4","5","7","2","2","7","1") = "6"
    & skf21("5","4","5","7","2","3","1","1") = "6"
    & skf21("5","4","5","7","2","3","2","1") = "6"
    & skf21("5","4","5","7","2","3","3","1") = "6"
    & skf21("5","4","5","7","2","3","4","1") = "6"
    & skf21("5","4","5","7","2","3","5","1") = "6"
    & skf21("5","4","5","7","2","3","6","1") = "6"
    & skf21("5","4","5","7","2","3","7","1") = "6"
    & skf21("5","4","5","7","2","4","1","1") = "6"
    & skf21("5","4","5","7","2","4","2","1") = "6"
    & skf21("5","4","5","7","2","4","3","1") = "6"
    & skf21("5","4","5","7","2","4","4","1") = "6"
    & skf21("5","4","5","7","2","4","5","1") = "6"
    & skf21("5","4","5","7","2","4","6","1") = "6"
    & skf21("5","4","5","7","2","4","7","1") = "6"
    & skf21("5","4","5","7","2","5","1","1") = "6"
    & skf21("5","4","5","7","2","5","2","1") = "6"
    & skf21("5","4","5","7","2","5","3","1") = "6"
    & skf21("5","4","5","7","2","5","4","1") = "6"
    & skf21("5","4","5","7","2","5","5","1") = "6"
    & skf21("5","4","5","7","2","5","6","1") = "6"
    & skf21("5","4","5","7","2","5","7","1") = "6"
    & skf21("5","4","5","7","2","6","1","1") = "6"
    & skf21("5","4","5","7","2","6","2","1") = "6"
    & skf21("5","4","5","7","2","6","3","1") = "6"
    & skf21("5","4","5","7","2","6","4","1") = "6"
    & skf21("5","4","5","7","2","6","5","1") = "6"
    & skf21("5","4","5","7","2","6","6","1") = "6"
    & skf21("5","4","5","7","2","6","7","1") = "6"
    & skf21("5","4","5","7","2","7","1","1") = "6"
    & skf21("5","4","5","7","2","7","2","1") = "6"
    & skf21("5","4","5","7","2","7","3","1") = "6"
    & skf21("5","4","5","7","2","7","4","1") = "6"
    & skf21("5","4","5","7","2","7","5","1") = "6"
    & skf21("5","4","5","7","2","7","6","1") = "6"
    & skf21("5","4","5","7","2","7","7","1") = "6"
    & skf21("5","4","5","7","3","1","1","1") = "6"
    & skf21("5","4","5","7","3","1","2","1") = "6"
    & skf21("5","4","5","7","3","1","3","1") = "6"
    & skf21("5","4","5","7","3","1","4","1") = "6"
    & skf21("5","4","5","7","3","1","5","1") = "6"
    & skf21("5","4","5","7","3","1","6","1") = "6"
    & skf21("5","4","5","7","3","1","7","1") = "6"
    & skf21("5","4","5","7","3","2","1","1") = "6"
    & skf21("5","4","5","7","3","2","2","1") = "6"
    & skf21("5","4","5","7","3","2","3","1") = "6"
    & skf21("5","4","5","7","3","2","4","1") = "6"
    & skf21("5","4","5","7","3","2","5","1") = "6"
    & skf21("5","4","5","7","3","2","6","1") = "6"
    & skf21("5","4","5","7","3","2","7","1") = "6"
    & skf21("5","4","5","7","3","3","1","1") = "6"
    & skf21("5","4","5","7","3","3","2","1") = "6"
    & skf21("5","4","5","7","3","3","3","1") = "6"
    & skf21("5","4","5","7","3","3","4","1") = "6"
    & skf21("5","4","5","7","3","3","5","1") = "6"
    & skf21("5","4","5","7","3","3","6","1") = "6"
    & skf21("5","4","5","7","3","3","7","1") = "6"
    & skf21("5","4","5","7","3","4","1","1") = "6"
    & skf21("5","4","5","7","3","4","2","1") = "6"
    & skf21("5","4","5","7","3","4","3","1") = "6"
    & skf21("5","4","5","7","3","4","4","1") = "6"
    & skf21("5","4","5","7","3","4","5","1") = "6"
    & skf21("5","4","5","7","3","4","6","1") = "6"
    & skf21("5","4","5","7","3","4","7","1") = "6"
    & skf21("5","4","5","7","3","5","1","1") = "6"
    & skf21("5","4","5","7","3","5","2","1") = "6"
    & skf21("5","4","5","7","3","5","3","1") = "6"
    & skf21("5","4","5","7","3","5","4","1") = "6"
    & skf21("5","4","5","7","3","5","5","1") = "6"
    & skf21("5","4","5","7","3","5","6","1") = "6"
    & skf21("5","4","5","7","3","5","7","1") = "6"
    & skf21("5","4","5","7","3","6","1","1") = "6"
    & skf21("5","4","5","7","3","6","2","1") = "6"
    & skf21("5","4","5","7","3","6","3","1") = "6"
    & skf21("5","4","5","7","3","6","4","1") = "6"
    & skf21("5","4","5","7","3","6","5","1") = "6"
    & skf21("5","4","5","7","3","6","6","1") = "6"
    & skf21("5","4","5","7","3","6","7","1") = "6"
    & skf21("5","4","5","7","3","7","1","1") = "6"
    & skf21("5","4","5","7","3","7","2","1") = "6"
    & skf21("5","4","5","7","3","7","3","1") = "6"
    & skf21("5","4","5","7","3","7","4","1") = "6"
    & skf21("5","4","5","7","3","7","5","1") = "6"
    & skf21("5","4","5","7","3","7","6","1") = "6"
    & skf21("5","4","5","7","3","7","7","1") = "6"
    & skf21("5","4","5","7","4","1","1","1") = "6"
    & skf21("5","4","5","7","4","1","2","1") = "6"
    & skf21("5","4","5","7","4","1","3","1") = "6"
    & skf21("5","4","5","7","4","1","4","1") = "6"
    & skf21("5","4","5","7","4","1","5","1") = "6"
    & skf21("5","4","5","7","4","1","6","1") = "6"
    & skf21("5","4","5","7","4","1","7","1") = "6"
    & skf21("5","4","5","7","4","2","1","1") = "6"
    & skf21("5","4","5","7","4","2","2","1") = "6"
    & skf21("5","4","5","7","4","2","3","1") = "6"
    & skf21("5","4","5","7","4","2","4","1") = "6"
    & skf21("5","4","5","7","4","2","5","1") = "6"
    & skf21("5","4","5","7","4","2","6","1") = "6"
    & skf21("5","4","5","7","4","2","7","1") = "6"
    & skf21("5","4","5","7","4","3","1","1") = "6"
    & skf21("5","4","5","7","4","3","2","1") = "6"
    & skf21("5","4","5","7","4","3","3","1") = "6"
    & skf21("5","4","5","7","4","3","4","1") = "6"
    & skf21("5","4","5","7","4","3","5","1") = "6"
    & skf21("5","4","5","7","4","3","6","1") = "6"
    & skf21("5","4","5","7","4","3","7","1") = "6"
    & skf21("5","4","5","7","4","4","1","1") = "6"
    & skf21("5","4","5","7","4","4","2","1") = "6"
    & skf21("5","4","5","7","4","4","3","1") = "6"
    & skf21("5","4","5","7","4","4","4","1") = "6"
    & skf21("5","4","5","7","4","4","5","1") = "6"
    & skf21("5","4","5","7","4","4","6","1") = "6"
    & skf21("5","4","5","7","4","4","7","1") = "6"
    & skf21("5","4","5","7","4","5","1","1") = "6"
    & skf21("5","4","5","7","4","5","2","1") = "6"
    & skf21("5","4","5","7","4","5","3","1") = "6"
    & skf21("5","4","5","7","4","5","4","1") = "6"
    & skf21("5","4","5","7","4","5","5","1") = "6"
    & skf21("5","4","5","7","4","5","6","1") = "6"
    & skf21("5","4","5","7","4","5","7","1") = "6"
    & skf21("5","4","5","7","4","6","1","1") = "6"
    & skf21("5","4","5","7","4","6","2","1") = "6"
    & skf21("5","4","5","7","4","6","3","1") = "6"
    & skf21("5","4","5","7","4","6","4","1") = "6"
    & skf21("5","4","5","7","4","6","5","1") = "6"
    & skf21("5","4","5","7","4","6","6","1") = "6"
    & skf21("5","4","5","7","4","6","7","1") = "6"
    & skf21("5","4","5","7","4","7","1","1") = "6"
    & skf21("5","4","5","7","4","7","2","1") = "6"
    & skf21("5","4","5","7","4","7","3","1") = "6"
    & skf21("5","4","5","7","4","7","4","1") = "6"
    & skf21("5","4","5","7","4","7","5","1") = "6"
    & skf21("5","4","5","7","4","7","6","1") = "6"
    & skf21("5","4","5","7","4","7","7","1") = "6"
    & skf21("5","4","5","7","5","1","1","1") = "6"
    & skf21("5","4","5","7","5","1","2","1") = "6"
    & skf21("5","4","5","7","5","1","3","1") = "6"
    & skf21("5","4","5","7","5","1","4","1") = "6"
    & skf21("5","4","5","7","5","1","5","1") = "6"
    & skf21("5","4","5","7","5","1","6","1") = "6"
    & skf21("5","4","5","7","5","1","7","1") = "6"
    & skf21("5","4","5","7","5","2","1","1") = "6"
    & skf21("5","4","5","7","5","2","2","1") = "6"
    & skf21("5","4","5","7","5","2","3","1") = "6"
    & skf21("5","4","5","7","5","2","4","1") = "6"
    & skf21("5","4","5","7","5","2","5","1") = "6"
    & skf21("5","4","5","7","5","2","6","1") = "6"
    & skf21("5","4","5","7","5","2","7","1") = "6"
    & skf21("5","4","5","7","5","3","1","1") = "6"
    & skf21("5","4","5","7","5","3","2","1") = "6"
    & skf21("5","4","5","7","5","3","3","1") = "6"
    & skf21("5","4","5","7","5","3","4","1") = "6"
    & skf21("5","4","5","7","5","3","5","1") = "6"
    & skf21("5","4","5","7","5","3","6","1") = "6"
    & skf21("5","4","5","7","5","3","7","1") = "6"
    & skf21("5","4","5","7","5","4","1","1") = "6"
    & skf21("5","4","5","7","5","4","2","1") = "6"
    & skf21("5","4","5","7","5","4","3","1") = "6"
    & skf21("5","4","5","7","5","4","4","1") = "6"
    & skf21("5","4","5","7","5","4","5","1") = "6"
    & skf21("5","4","5","7","5","4","6","1") = "6"
    & skf21("5","4","5","7","5","4","7","1") = "6"
    & skf21("5","4","5","7","5","5","1","1") = "6"
    & skf21("5","4","5","7","5","5","2","1") = "6"
    & skf21("5","4","5","7","5","5","3","1") = "6"
    & skf21("5","4","5","7","5","5","4","1") = "6"
    & skf21("5","4","5","7","5","5","5","1") = "6"
    & skf21("5","4","5","7","5","5","6","1") = "6"
    & skf21("5","4","5","7","5","5","7","1") = "6"
    & skf21("5","4","5","7","5","6","1","1") = "6"
    & skf21("5","4","5","7","5","6","2","1") = "6"
    & skf21("5","4","5","7","5","6","3","1") = "6"
    & skf21("5","4","5","7","5","6","4","1") = "6"
    & skf21("5","4","5","7","5","6","5","1") = "6"
    & skf21("5","4","5","7","5","6","6","1") = "6"
    & skf21("5","4","5","7","5","6","7","1") = "6"
    & skf21("5","4","5","7","5","7","1","1") = "6"
    & skf21("5","4","5","7","5","7","2","1") = "6"
    & skf21("5","4","5","7","5","7","3","1") = "6"
    & skf21("5","4","5","7","5","7","4","1") = "6"
    & skf21("5","4","5","7","5","7","5","1") = "6"
    & skf21("5","4","5","7","5","7","6","1") = "6"
    & skf21("5","4","5","7","5","7","7","1") = "6"
    & skf21("5","4","5","7","6","1","1","1") = "6"
    & skf21("5","4","5","7","6","1","2","1") = "6"
    & skf21("5","4","5","7","6","1","3","1") = "6"
    & skf21("5","4","5","7","6","1","4","1") = "6"
    & skf21("5","4","5","7","6","1","5","1") = "6"
    & skf21("5","4","5","7","6","1","6","1") = "6"
    & skf21("5","4","5","7","6","1","7","1") = "6"
    & skf21("5","4","5","7","6","2","1","1") = "6"
    & skf21("5","4","5","7","6","2","2","1") = "6"
    & skf21("5","4","5","7","6","2","3","1") = "6"
    & skf21("5","4","5","7","6","2","4","1") = "6"
    & skf21("5","4","5","7","6","2","5","1") = "6"
    & skf21("5","4","5","7","6","2","6","1") = "6"
    & skf21("5","4","5","7","6","2","7","1") = "6"
    & skf21("5","4","5","7","6","3","1","1") = "6"
    & skf21("5","4","5","7","6","3","2","1") = "6"
    & skf21("5","4","5","7","6","3","3","1") = "6"
    & skf21("5","4","5","7","6","3","4","1") = "6"
    & skf21("5","4","5","7","6","3","5","1") = "6"
    & skf21("5","4","5","7","6","3","6","1") = "6"
    & skf21("5","4","5","7","6","3","7","1") = "6"
    & skf21("5","4","5","7","6","4","1","1") = "6"
    & skf21("5","4","5","7","6","4","2","1") = "6"
    & skf21("5","4","5","7","6","4","3","1") = "6"
    & skf21("5","4","5","7","6","4","4","1") = "6"
    & skf21("5","4","5","7","6","4","5","1") = "6"
    & skf21("5","4","5","7","6","4","6","1") = "6"
    & skf21("5","4","5","7","6","4","7","1") = "6"
    & skf21("5","4","5","7","6","5","1","1") = "6"
    & skf21("5","4","5","7","6","5","2","1") = "6"
    & skf21("5","4","5","7","6","5","3","1") = "6"
    & skf21("5","4","5","7","6","5","4","1") = "6"
    & skf21("5","4","5","7","6","5","5","1") = "6"
    & skf21("5","4","5","7","6","5","6","1") = "6"
    & skf21("5","4","5","7","6","5","7","1") = "6"
    & skf21("5","4","5","7","6","6","1","1") = "6"
    & skf21("5","4","5","7","6","6","2","1") = "6"
    & skf21("5","4","5","7","6","6","3","1") = "6"
    & skf21("5","4","5","7","6","6","4","1") = "6"
    & skf21("5","4","5","7","6","6","5","1") = "6"
    & skf21("5","4","5","7","6","6","6","1") = "6"
    & skf21("5","4","5","7","6","6","7","1") = "6"
    & skf21("5","4","5","7","6","7","1","1") = "6"
    & skf21("5","4","5","7","6","7","2","1") = "6"
    & skf21("5","4","5","7","6","7","3","1") = "6"
    & skf21("5","4","5","7","6","7","4","1") = "6"
    & skf21("5","4","5","7","6","7","5","1") = "6"
    & skf21("5","4","5","7","6","7","6","1") = "6"
    & skf21("5","4","5","7","6","7","7","1") = "6"
    & skf21("5","4","5","7","7","1","1","1") = "6"
    & skf21("5","4","5","7","7","1","2","1") = "6"
    & skf21("5","4","5","7","7","1","3","1") = "6"
    & skf21("5","4","5","7","7","1","4","1") = "6"
    & skf21("5","4","5","7","7","1","5","1") = "6"
    & skf21("5","4","5","7","7","1","6","1") = "6"
    & skf21("5","4","5","7","7","1","7","1") = "6"
    & skf21("5","4","5","7","7","2","1","1") = "6"
    & skf21("5","4","5","7","7","2","2","1") = "6"
    & skf21("5","4","5","7","7","2","3","1") = "6"
    & skf21("5","4","5","7","7","2","4","1") = "6"
    & skf21("5","4","5","7","7","2","5","1") = "6"
    & skf21("5","4","5","7","7","2","6","1") = "6"
    & skf21("5","4","5","7","7","2","7","1") = "6"
    & skf21("5","4","5","7","7","3","1","1") = "6"
    & skf21("5","4","5","7","7","3","2","1") = "6"
    & skf21("5","4","5","7","7","3","3","1") = "6"
    & skf21("5","4","5","7","7","3","4","1") = "6"
    & skf21("5","4","5","7","7","3","5","1") = "6"
    & skf21("5","4","5","7","7","3","6","1") = "6"
    & skf21("5","4","5","7","7","3","7","1") = "6"
    & skf21("5","4","5","7","7","4","1","1") = "6"
    & skf21("5","4","5","7","7","4","2","1") = "6"
    & skf21("5","4","5","7","7","4","3","1") = "6"
    & skf21("5","4","5","7","7","4","4","1") = "6"
    & skf21("5","4","5","7","7","4","5","1") = "6"
    & skf21("5","4","5","7","7","4","6","1") = "6"
    & skf21("5","4","5","7","7","4","7","1") = "6"
    & skf21("5","4","5","7","7","5","1","1") = "6"
    & skf21("5","4","5","7","7","5","2","1") = "6"
    & skf21("5","4","5","7","7","5","3","1") = "6"
    & skf21("5","4","5","7","7","5","4","1") = "6"
    & skf21("5","4","5","7","7","5","5","1") = "6"
    & skf21("5","4","5","7","7","5","6","1") = "6"
    & skf21("5","4","5","7","7","5","7","1") = "6"
    & skf21("5","4","5","7","7","6","1","1") = "6"
    & skf21("5","4","5","7","7","6","2","1") = "6"
    & skf21("5","4","5","7","7","6","3","1") = "6"
    & skf21("5","4","5","7","7","6","4","1") = "6"
    & skf21("5","4","5","7","7","6","5","1") = "6"
    & skf21("5","4","5","7","7","6","6","1") = "6"
    & skf21("5","4","5","7","7","6","7","1") = "6"
    & skf21("5","4","5","7","7","7","1","1") = "6"
    & skf21("5","4","5","7","7","7","2","1") = "6"
    & skf21("5","4","5","7","7","7","3","1") = "6"
    & skf21("5","4","5","7","7","7","4","1") = "6"
    & skf21("5","4","5","7","7","7","5","1") = "6"
    & skf21("5","4","5","7","7","7","6","1") = "6"
    & skf21("5","4","5","7","7","7","7","1") = "6"
    & skf21("5","4","6","1","1","1","1","1") = "5"
    & skf21("5","4","6","1","1","1","2","1") = "5"
    & skf21("5","4","6","1","1","1","3","1") = "5"
    & skf21("5","4","6","1","1","1","4","1") = "5"
    & skf21("5","4","6","1","1","1","5","1") = "5"
    & skf21("5","4","6","1","1","1","6","1") = "5"
    & skf21("5","4","6","1","1","1","7","1") = "6"
    & skf21("5","4","6","1","1","2","1","1") = "5"
    & skf21("5","4","6","1","1","2","2","1") = "5"
    & skf21("5","4","6","1","1","2","3","1") = "5"
    & skf21("5","4","6","1","1","2","4","1") = "5"
    & skf21("5","4","6","1","1","2","5","1") = "5"
    & skf21("5","4","6","1","1","2","6","1") = "5"
    & skf21("5","4","6","1","1","2","7","1") = "6"
    & skf21("5","4","6","1","1","3","1","1") = "5"
    & skf21("5","4","6","1","1","3","2","1") = "5"
    & skf21("5","4","6","1","1","3","3","1") = "5"
    & skf21("5","4","6","1","1","3","4","1") = "5"
    & skf21("5","4","6","1","1","3","5","1") = "5"
    & skf21("5","4","6","1","1","3","6","1") = "5"
    & skf21("5","4","6","1","1","3","7","1") = "6"
    & skf21("5","4","6","1","1","4","1","1") = "5"
    & skf21("5","4","6","1","1","4","2","1") = "5"
    & skf21("5","4","6","1","1","4","3","1") = "5"
    & skf21("5","4","6","1","1","4","4","1") = "5"
    & skf21("5","4","6","1","1","4","5","1") = "5"
    & skf21("5","4","6","1","1","4","6","1") = "5"
    & skf21("5","4","6","1","1","4","7","1") = "6"
    & skf21("5","4","6","1","1","5","1","1") = "5"
    & skf21("5","4","6","1","1","5","2","1") = "5"
    & skf21("5","4","6","1","1","5","3","1") = "5"
    & skf21("5","4","6","1","1","5","4","1") = "5"
    & skf21("5","4","6","1","1","5","5","1") = "5"
    & skf21("5","4","6","1","1","5","6","1") = "5"
    & skf21("5","4","6","1","1","5","7","1") = "6"
    & skf21("5","4","6","1","1","6","1","1") = "5"
    & skf21("5","4","6","1","1","6","2","1") = "5"
    & skf21("5","4","6","1","1","6","3","1") = "5"
    & skf21("5","4","6","1","1","6","4","1") = "5"
    & skf21("5","4","6","1","1","6","5","1") = "5"
    & skf21("5","4","6","1","1","6","6","1") = "5"
    & skf21("5","4","6","1","1","6","7","1") = "6"
    & skf21("5","4","6","1","1","7","1","1") = "6"
    & skf21("5","4","6","1","1","7","2","1") = "6"
    & skf21("5","4","6","1","1","7","3","1") = "6"
    & skf21("5","4","6","1","1","7","4","1") = "6"
    & skf21("5","4","6","1","1","7","5","1") = "6"
    & skf21("5","4","6","1","1","7","6","1") = "6"
    & skf21("5","4","6","1","1","7","7","1") = "6"
    & skf21("5","4","6","1","2","1","1","1") = "5"
    & skf21("5","4","6","1","2","1","2","1") = "5"
    & skf21("5","4","6","1","2","1","3","1") = "5"
    & skf21("5","4","6","1","2","1","4","1") = "5"
    & skf21("5","4","6","1","2","1","5","1") = "5"
    & skf21("5","4","6","1","2","1","6","1") = "5"
    & skf21("5","4","6","1","2","1","7","1") = "6"
    & skf21("5","4","6","1","2","2","1","1") = "5"
    & skf21("5","4","6","1","2","2","2","1") = "5"
    & skf21("5","4","6","1","2","2","3","1") = "5"
    & skf21("5","4","6","1","2","2","4","1") = "5"
    & skf21("5","4","6","1","2","2","5","1") = "5"
    & skf21("5","4","6","1","2","2","6","1") = "5"
    & skf21("5","4","6","1","2","2","7","1") = "6"
    & skf21("5","4","6","1","2","3","1","1") = "5"
    & skf21("5","4","6","1","2","3","2","1") = "5"
    & skf21("5","4","6","1","2","3","3","1") = "5"
    & skf21("5","4","6","1","2","3","4","1") = "5"
    & skf21("5","4","6","1","2","3","5","1") = "5"
    & skf21("5","4","6","1","2","3","6","1") = "5"
    & skf21("5","4","6","1","2","3","7","1") = "6"
    & skf21("5","4","6","1","2","4","1","1") = "5"
    & skf21("5","4","6","1","2","4","2","1") = "5"
    & skf21("5","4","6","1","2","4","3","1") = "5"
    & skf21("5","4","6","1","2","4","4","1") = "5"
    & skf21("5","4","6","1","2","4","5","1") = "5"
    & skf21("5","4","6","1","2","4","6","1") = "5"
    & skf21("5","4","6","1","2","4","7","1") = "6"
    & skf21("5","4","6","1","2","5","1","1") = "5"
    & skf21("5","4","6","1","2","5","2","1") = "5"
    & skf21("5","4","6","1","2","5","3","1") = "5"
    & skf21("5","4","6","1","2","5","4","1") = "5"
    & skf21("5","4","6","1","2","5","5","1") = "5"
    & skf21("5","4","6","1","2","5","6","1") = "5"
    & skf21("5","4","6","1","2","5","7","1") = "6"
    & skf21("5","4","6","1","2","6","1","1") = "5"
    & skf21("5","4","6","1","2","6","2","1") = "5"
    & skf21("5","4","6","1","2","6","3","1") = "5"
    & skf21("5","4","6","1","2","6","4","1") = "5"
    & skf21("5","4","6","1","2","6","5","1") = "5"
    & skf21("5","4","6","1","2","6","6","1") = "5"
    & skf21("5","4","6","1","2","6","7","1") = "6"
    & skf21("5","4","6","1","2","7","1","1") = "6"
    & skf21("5","4","6","1","2","7","2","1") = "6"
    & skf21("5","4","6","1","2","7","3","1") = "6"
    & skf21("5","4","6","1","2","7","4","1") = "6"
    & skf21("5","4","6","1","2","7","5","1") = "6"
    & skf21("5","4","6","1","2","7","6","1") = "6"
    & skf21("5","4","6","1","2","7","7","1") = "6"
    & skf21("5","4","6","1","3","1","1","1") = "5"
    & skf21("5","4","6","1","3","1","2","1") = "5"
    & skf21("5","4","6","1","3","1","3","1") = "5"
    & skf21("5","4","6","1","3","1","4","1") = "5"
    & skf21("5","4","6","1","3","1","5","1") = "5"
    & skf21("5","4","6","1","3","1","6","1") = "5"
    & skf21("5","4","6","1","3","1","7","1") = "6"
    & skf21("5","4","6","1","3","2","1","1") = "5"
    & skf21("5","4","6","1","3","2","2","1") = "5"
    & skf21("5","4","6","1","3","2","3","1") = "5"
    & skf21("5","4","6","1","3","2","4","1") = "5"
    & skf21("5","4","6","1","3","2","5","1") = "5"
    & skf21("5","4","6","1","3","2","6","1") = "5"
    & skf21("5","4","6","1","3","2","7","1") = "6"
    & skf21("5","4","6","1","3","3","1","1") = "5"
    & skf21("5","4","6","1","3","3","2","1") = "5"
    & skf21("5","4","6","1","3","3","3","1") = "5"
    & skf21("5","4","6","1","3","3","4","1") = "5"
    & skf21("5","4","6","1","3","3","5","1") = "5"
    & skf21("5","4","6","1","3","3","6","1") = "5"
    & skf21("5","4","6","1","3","3","7","1") = "6"
    & skf21("5","4","6","1","3","4","1","1") = "5"
    & skf21("5","4","6","1","3","4","2","1") = "5"
    & skf21("5","4","6","1","3","4","3","1") = "5"
    & skf21("5","4","6","1","3","4","4","1") = "5"
    & skf21("5","4","6","1","3","4","5","1") = "5"
    & skf21("5","4","6","1","3","4","6","1") = "5"
    & skf21("5","4","6","1","3","4","7","1") = "6"
    & skf21("5","4","6","1","3","5","1","1") = "5"
    & skf21("5","4","6","1","3","5","2","1") = "5"
    & skf21("5","4","6","1","3","5","3","1") = "5"
    & skf21("5","4","6","1","3","5","4","1") = "5"
    & skf21("5","4","6","1","3","5","5","1") = "5"
    & skf21("5","4","6","1","3","5","6","1") = "5"
    & skf21("5","4","6","1","3","5","7","1") = "6"
    & skf21("5","4","6","1","3","6","1","1") = "5"
    & skf21("5","4","6","1","3","6","2","1") = "5"
    & skf21("5","4","6","1","3","6","3","1") = "5"
    & skf21("5","4","6","1","3","6","4","1") = "5"
    & skf21("5","4","6","1","3","6","5","1") = "5"
    & skf21("5","4","6","1","3","6","6","1") = "5"
    & skf21("5","4","6","1","3","6","7","1") = "6"
    & skf21("5","4","6","1","3","7","1","1") = "6"
    & skf21("5","4","6","1","3","7","2","1") = "6"
    & skf21("5","4","6","1","3","7","3","1") = "6"
    & skf21("5","4","6","1","3","7","4","1") = "6"
    & skf21("5","4","6","1","3","7","5","1") = "6"
    & skf21("5","4","6","1","3","7","6","1") = "6"
    & skf21("5","4","6","1","3","7","7","1") = "6"
    & skf21("5","4","6","1","4","1","1","1") = "5"
    & skf21("5","4","6","1","4","1","2","1") = "5"
    & skf21("5","4","6","1","4","1","3","1") = "5"
    & skf21("5","4","6","1","4","1","4","1") = "5"
    & skf21("5","4","6","1","4","1","5","1") = "5"
    & skf21("5","4","6","1","4","1","6","1") = "5"
    & skf21("5","4","6","1","4","1","7","1") = "6"
    & skf21("5","4","6","1","4","2","1","1") = "5"
    & skf21("5","4","6","1","4","2","2","1") = "5"
    & skf21("5","4","6","1","4","2","3","1") = "5"
    & skf21("5","4","6","1","4","2","4","1") = "5"
    & skf21("5","4","6","1","4","2","5","1") = "5"
    & skf21("5","4","6","1","4","2","6","1") = "5"
    & skf21("5","4","6","1","4","2","7","1") = "6"
    & skf21("5","4","6","1","4","3","1","1") = "5"
    & skf21("5","4","6","1","4","3","2","1") = "5"
    & skf21("5","4","6","1","4","3","3","1") = "5"
    & skf21("5","4","6","1","4","3","4","1") = "5"
    & skf21("5","4","6","1","4","3","5","1") = "5"
    & skf21("5","4","6","1","4","3","6","1") = "5"
    & skf21("5","4","6","1","4","3","7","1") = "6"
    & skf21("5","4","6","1","4","4","1","1") = "5"
    & skf21("5","4","6","1","4","4","2","1") = "5"
    & skf21("5","4","6","1","4","4","3","1") = "5"
    & skf21("5","4","6","1","4","4","4","1") = "5"
    & skf21("5","4","6","1","4","4","5","1") = "5"
    & skf21("5","4","6","1","4","4","6","1") = "5"
    & skf21("5","4","6","1","4","4","7","1") = "6"
    & skf21("5","4","6","1","4","5","1","1") = "5"
    & skf21("5","4","6","1","4","5","2","1") = "5"
    & skf21("5","4","6","1","4","5","3","1") = "5"
    & skf21("5","4","6","1","4","5","4","1") = "5"
    & skf21("5","4","6","1","4","5","5","1") = "5"
    & skf21("5","4","6","1","4","5","6","1") = "5"
    & skf21("5","4","6","1","4","5","7","1") = "6"
    & skf21("5","4","6","1","4","6","1","1") = "5"
    & skf21("5","4","6","1","4","6","2","1") = "5"
    & skf21("5","4","6","1","4","6","3","1") = "5"
    & skf21("5","4","6","1","4","6","4","1") = "5"
    & skf21("5","4","6","1","4","6","5","1") = "5"
    & skf21("5","4","6","1","4","6","6","1") = "5"
    & skf21("5","4","6","1","4","6","7","1") = "6"
    & skf21("5","4","6","1","4","7","1","1") = "6"
    & skf21("5","4","6","1","4","7","2","1") = "6"
    & skf21("5","4","6","1","4","7","3","1") = "6"
    & skf21("5","4","6","1","4","7","4","1") = "6"
    & skf21("5","4","6","1","4","7","5","1") = "6"
    & skf21("5","4","6","1","4","7","6","1") = "6"
    & skf21("5","4","6","1","4","7","7","1") = "6"
    & skf21("5","4","6","1","5","1","1","1") = "5"
    & skf21("5","4","6","1","5","1","2","1") = "5"
    & skf21("5","4","6","1","5","1","3","1") = "5"
    & skf21("5","4","6","1","5","1","4","1") = "5"
    & skf21("5","4","6","1","5","1","5","1") = "5"
    & skf21("5","4","6","1","5","1","6","1") = "5"
    & skf21("5","4","6","1","5","1","7","1") = "6"
    & skf21("5","4","6","1","5","2","1","1") = "5"
    & skf21("5","4","6","1","5","2","2","1") = "5"
    & skf21("5","4","6","1","5","2","3","1") = "5"
    & skf21("5","4","6","1","5","2","4","1") = "5"
    & skf21("5","4","6","1","5","2","5","1") = "5"
    & skf21("5","4","6","1","5","2","6","1") = "5"
    & skf21("5","4","6","1","5","2","7","1") = "6"
    & skf21("5","4","6","1","5","3","1","1") = "5"
    & skf21("5","4","6","1","5","3","2","1") = "5"
    & skf21("5","4","6","1","5","3","3","1") = "5"
    & skf21("5","4","6","1","5","3","4","1") = "5"
    & skf21("5","4","6","1","5","3","5","1") = "5"
    & skf21("5","4","6","1","5","3","6","1") = "5"
    & skf21("5","4","6","1","5","3","7","1") = "6"
    & skf21("5","4","6","1","5","4","1","1") = "5"
    & skf21("5","4","6","1","5","4","2","1") = "5"
    & skf21("5","4","6","1","5","4","3","1") = "5"
    & skf21("5","4","6","1","5","4","4","1") = "5"
    & skf21("5","4","6","1","5","4","5","1") = "5"
    & skf21("5","4","6","1","5","4","6","1") = "5"
    & skf21("5","4","6","1","5","4","7","1") = "6"
    & skf21("5","4","6","1","5","5","1","1") = "5"
    & skf21("5","4","6","1","5","5","2","1") = "5"
    & skf21("5","4","6","1","5","5","3","1") = "5"
    & skf21("5","4","6","1","5","5","4","1") = "5"
    & skf21("5","4","6","1","5","5","5","1") = "5"
    & skf21("5","4","6","1","5","5","6","1") = "5"
    & skf21("5","4","6","1","5","5","7","1") = "6"
    & skf21("5","4","6","1","5","6","1","1") = "5"
    & skf21("5","4","6","1","5","6","2","1") = "5"
    & skf21("5","4","6","1","5","6","3","1") = "5"
    & skf21("5","4","6","1","5","6","4","1") = "5"
    & skf21("5","4","6","1","5","6","5","1") = "5"
    & skf21("5","4","6","1","5","6","6","1") = "5"
    & skf21("5","4","6","1","5","6","7","1") = "6"
    & skf21("5","4","6","1","5","7","1","1") = "6"
    & skf21("5","4","6","1","5","7","2","1") = "6"
    & skf21("5","4","6","1","5","7","3","1") = "6"
    & skf21("5","4","6","1","5","7","4","1") = "6"
    & skf21("5","4","6","1","5","7","5","1") = "6"
    & skf21("5","4","6","1","5","7","6","1") = "6"
    & skf21("5","4","6","1","5","7","7","1") = "6"
    & skf21("5","4","6","1","6","1","1","1") = "5"
    & skf21("5","4","6","1","6","1","2","1") = "5"
    & skf21("5","4","6","1","6","1","3","1") = "5"
    & skf21("5","4","6","1","6","1","4","1") = "5"
    & skf21("5","4","6","1","6","1","5","1") = "5"
    & skf21("5","4","6","1","6","1","6","1") = "5"
    & skf21("5","4","6","1","6","1","7","1") = "6"
    & skf21("5","4","6","1","6","2","1","1") = "5"
    & skf21("5","4","6","1","6","2","2","1") = "5"
    & skf21("5","4","6","1","6","2","3","1") = "5"
    & skf21("5","4","6","1","6","2","4","1") = "5"
    & skf21("5","4","6","1","6","2","5","1") = "5"
    & skf21("5","4","6","1","6","2","6","1") = "5"
    & skf21("5","4","6","1","6","2","7","1") = "6"
    & skf21("5","4","6","1","6","3","1","1") = "5"
    & skf21("5","4","6","1","6","3","2","1") = "5"
    & skf21("5","4","6","1","6","3","3","1") = "5"
    & skf21("5","4","6","1","6","3","4","1") = "5"
    & skf21("5","4","6","1","6","3","5","1") = "5"
    & skf21("5","4","6","1","6","3","6","1") = "5"
    & skf21("5","4","6","1","6","3","7","1") = "6"
    & skf21("5","4","6","1","6","4","1","1") = "5"
    & skf21("5","4","6","1","6","4","2","1") = "5"
    & skf21("5","4","6","1","6","4","3","1") = "5"
    & skf21("5","4","6","1","6","4","4","1") = "5"
    & skf21("5","4","6","1","6","4","5","1") = "5"
    & skf21("5","4","6","1","6","4","6","1") = "5"
    & skf21("5","4","6","1","6","4","7","1") = "6"
    & skf21("5","4","6","1","6","5","1","1") = "5"
    & skf21("5","4","6","1","6","5","2","1") = "5"
    & skf21("5","4","6","1","6","5","3","1") = "5"
    & skf21("5","4","6","1","6","5","4","1") = "5"
    & skf21("5","4","6","1","6","5","5","1") = "5"
    & skf21("5","4","6","1","6","5","6","1") = "5"
    & skf21("5","4","6","1","6","5","7","1") = "6"
    & skf21("5","4","6","1","6","6","1","1") = "5"
    & skf21("5","4","6","1","6","6","2","1") = "5"
    & skf21("5","4","6","1","6","6","3","1") = "5"
    & skf21("5","4","6","1","6","6","4","1") = "5"
    & skf21("5","4","6","1","6","6","5","1") = "5"
    & skf21("5","4","6","1","6","6","6","1") = "5"
    & skf21("5","4","6","1","6","6","7","1") = "6"
    & skf21("5","4","6","1","6","7","1","1") = "6"
    & skf21("5","4","6","1","6","7","2","1") = "6"
    & skf21("5","4","6","1","6","7","3","1") = "6"
    & skf21("5","4","6","1","6","7","4","1") = "6"
    & skf21("5","4","6","1","6","7","5","1") = "6"
    & skf21("5","4","6","1","6","7","6","1") = "6"
    & skf21("5","4","6","1","6","7","7","1") = "6"
    & skf21("5","4","6","1","7","1","1","1") = "6"
    & skf21("5","4","6","1","7","1","2","1") = "6"
    & skf21("5","4","6","1","7","1","3","1") = "6"
    & skf21("5","4","6","1","7","1","4","1") = "6"
    & skf21("5","4","6","1","7","1","5","1") = "6"
    & skf21("5","4","6","1","7","1","6","1") = "6"
    & skf21("5","4","6","1","7","1","7","1") = "6"
    & skf21("5","4","6","1","7","2","1","1") = "6"
    & skf21("5","4","6","1","7","2","2","1") = "6"
    & skf21("5","4","6","1","7","2","3","1") = "6"
    & skf21("5","4","6","1","7","2","4","1") = "6"
    & skf21("5","4","6","1","7","2","5","1") = "6"
    & skf21("5","4","6","1","7","2","6","1") = "6"
    & skf21("5","4","6","1","7","2","7","1") = "6"
    & skf21("5","4","6","1","7","3","1","1") = "6"
    & skf21("5","4","6","1","7","3","2","1") = "6"
    & skf21("5","4","6","1","7","3","3","1") = "6"
    & skf21("5","4","6","1","7","3","4","1") = "6"
    & skf21("5","4","6","1","7","3","5","1") = "6"
    & skf21("5","4","6","1","7","3","6","1") = "6"
    & skf21("5","4","6","1","7","3","7","1") = "6"
    & skf21("5","4","6","1","7","4","1","1") = "6"
    & skf21("5","4","6","1","7","4","2","1") = "6"
    & skf21("5","4","6","1","7","4","3","1") = "6"
    & skf21("5","4","6","1","7","4","4","1") = "6"
    & skf21("5","4","6","1","7","4","5","1") = "6"
    & skf21("5","4","6","1","7","4","6","1") = "6"
    & skf21("5","4","6","1","7","4","7","1") = "6"
    & skf21("5","4","6","1","7","5","1","1") = "6"
    & skf21("5","4","6","1","7","5","2","1") = "6"
    & skf21("5","4","6","1","7","5","3","1") = "6"
    & skf21("5","4","6","1","7","5","4","1") = "6"
    & skf21("5","4","6","1","7","5","5","1") = "6"
    & skf21("5","4","6","1","7","5","6","1") = "6"
    & skf21("5","4","6","1","7","5","7","1") = "6"
    & skf21("5","4","6","1","7","6","1","1") = "6"
    & skf21("5","4","6","1","7","6","2","1") = "6"
    & skf21("5","4","6","1","7","6","3","1") = "6"
    & skf21("5","4","6","1","7","6","4","1") = "6"
    & skf21("5","4","6","1","7","6","5","1") = "6"
    & skf21("5","4","6","1","7","6","6","1") = "6"
    & skf21("5","4","6","1","7","6","7","1") = "6"
    & skf21("5","4","6","1","7","7","1","1") = "6"
    & skf21("5","4","6","1","7","7","2","1") = "6"
    & skf21("5","4","6","1","7","7","3","1") = "6"
    & skf21("5","4","6","1","7","7","4","1") = "6"
    & skf21("5","4","6","1","7","7","5","1") = "6"
    & skf21("5","4","6","1","7","7","6","1") = "6"
    & skf21("5","4","6","1","7","7","7","1") = "6"
    & skf21("5","4","6","2","1","1","1","1") = "5"
    & skf21("5","4","6","2","1","1","2","1") = "5"
    & skf21("5","4","6","2","1","1","3","1") = "5"
    & skf21("5","4","6","2","1","1","4","1") = "5"
    & skf21("5","4","6","2","1","1","5","1") = "5"
    & skf21("5","4","6","2","1","1","6","1") = "5"
    & skf21("5","4","6","2","1","1","7","1") = "6"
    & skf21("5","4","6","2","1","2","1","1") = "5"
    & skf21("5","4","6","2","1","2","2","1") = "5"
    & skf21("5","4","6","2","1","2","3","1") = "5"
    & skf21("5","4","6","2","1","2","4","1") = "5"
    & skf21("5","4","6","2","1","2","5","1") = "5"
    & skf21("5","4","6","2","1","2","6","1") = "5"
    & skf21("5","4","6","2","1","2","7","1") = "6"
    & skf21("5","4","6","2","1","3","1","1") = "5"
    & skf21("5","4","6","2","1","3","2","1") = "5"
    & skf21("5","4","6","2","1","3","3","1") = "5"
    & skf21("5","4","6","2","1","3","4","1") = "5"
    & skf21("5","4","6","2","1","3","5","1") = "5"
    & skf21("5","4","6","2","1","3","6","1") = "5"
    & skf21("5","4","6","2","1","3","7","1") = "6"
    & skf21("5","4","6","2","1","4","1","1") = "5"
    & skf21("5","4","6","2","1","4","2","1") = "5"
    & skf21("5","4","6","2","1","4","3","1") = "5"
    & skf21("5","4","6","2","1","4","4","1") = "5"
    & skf21("5","4","6","2","1","4","5","1") = "5"
    & skf21("5","4","6","2","1","4","6","1") = "5"
    & skf21("5","4","6","2","1","4","7","1") = "6"
    & skf21("5","4","6","2","1","5","1","1") = "5"
    & skf21("5","4","6","2","1","5","2","1") = "5"
    & skf21("5","4","6","2","1","5","3","1") = "5"
    & skf21("5","4","6","2","1","5","4","1") = "5"
    & skf21("5","4","6","2","1","5","5","1") = "5"
    & skf21("5","4","6","2","1","5","6","1") = "5"
    & skf21("5","4","6","2","1","5","7","1") = "6"
    & skf21("5","4","6","2","1","6","1","1") = "5"
    & skf21("5","4","6","2","1","6","2","1") = "5"
    & skf21("5","4","6","2","1","6","3","1") = "5"
    & skf21("5","4","6","2","1","6","4","1") = "5"
    & skf21("5","4","6","2","1","6","5","1") = "5"
    & skf21("5","4","6","2","1","6","6","1") = "5"
    & skf21("5","4","6","2","1","6","7","1") = "6"
    & skf21("5","4","6","2","1","7","1","1") = "6"
    & skf21("5","4","6","2","1","7","2","1") = "6"
    & skf21("5","4","6","2","1","7","3","1") = "6"
    & skf21("5","4","6","2","1","7","4","1") = "6"
    & skf21("5","4","6","2","1","7","5","1") = "6"
    & skf21("5","4","6","2","1","7","6","1") = "6"
    & skf21("5","4","6","2","1","7","7","1") = "6"
    & skf21("5","4","6","2","2","1","1","1") = "5"
    & skf21("5","4","6","2","2","1","2","1") = "5"
    & skf21("5","4","6","2","2","1","3","1") = "5"
    & skf21("5","4","6","2","2","1","4","1") = "5"
    & skf21("5","4","6","2","2","1","5","1") = "5"
    & skf21("5","4","6","2","2","1","6","1") = "5"
    & skf21("5","4","6","2","2","1","7","1") = "6"
    & skf21("5","4","6","2","2","2","1","1") = "5"
    & skf21("5","4","6","2","2","2","2","1") = "5"
    & skf21("5","4","6","2","2","2","3","1") = "5"
    & skf21("5","4","6","2","2","2","4","1") = "5"
    & skf21("5","4","6","2","2","2","5","1") = "5"
    & skf21("5","4","6","2","2","2","6","1") = "5"
    & skf21("5","4","6","2","2","2","7","1") = "6"
    & skf21("5","4","6","2","2","3","1","1") = "5"
    & skf21("5","4","6","2","2","3","2","1") = "5"
    & skf21("5","4","6","2","2","3","3","1") = "5"
    & skf21("5","4","6","2","2","3","4","1") = "5"
    & skf21("5","4","6","2","2","3","5","1") = "5"
    & skf21("5","4","6","2","2","3","6","1") = "5"
    & skf21("5","4","6","2","2","3","7","1") = "6"
    & skf21("5","4","6","2","2","4","1","1") = "5"
    & skf21("5","4","6","2","2","4","2","1") = "5"
    & skf21("5","4","6","2","2","4","3","1") = "5"
    & skf21("5","4","6","2","2","4","4","1") = "5"
    & skf21("5","4","6","2","2","4","5","1") = "5"
    & skf21("5","4","6","2","2","4","6","1") = "5"
    & skf21("5","4","6","2","2","4","7","1") = "6"
    & skf21("5","4","6","2","2","5","1","1") = "5"
    & skf21("5","4","6","2","2","5","2","1") = "5"
    & skf21("5","4","6","2","2","5","3","1") = "5"
    & skf21("5","4","6","2","2","5","4","1") = "5"
    & skf21("5","4","6","2","2","5","5","1") = "5"
    & skf21("5","4","6","2","2","5","6","1") = "5"
    & skf21("5","4","6","2","2","5","7","1") = "6"
    & skf21("5","4","6","2","2","6","1","1") = "5"
    & skf21("5","4","6","2","2","6","2","1") = "5"
    & skf21("5","4","6","2","2","6","3","1") = "5"
    & skf21("5","4","6","2","2","6","4","1") = "5"
    & skf21("5","4","6","2","2","6","5","1") = "5"
    & skf21("5","4","6","2","2","6","6","1") = "5"
    & skf21("5","4","6","2","2","6","7","1") = "6"
    & skf21("5","4","6","2","2","7","1","1") = "6"
    & skf21("5","4","6","2","2","7","2","1") = "6"
    & skf21("5","4","6","2","2","7","3","1") = "6"
    & skf21("5","4","6","2","2","7","4","1") = "6"
    & skf21("5","4","6","2","2","7","5","1") = "6"
    & skf21("5","4","6","2","2","7","6","1") = "6"
    & skf21("5","4","6","2","2","7","7","1") = "6"
    & skf21("5","4","6","2","3","1","1","1") = "5"
    & skf21("5","4","6","2","3","1","2","1") = "5"
    & skf21("5","4","6","2","3","1","3","1") = "5"
    & skf21("5","4","6","2","3","1","4","1") = "5"
    & skf21("5","4","6","2","3","1","5","1") = "5"
    & skf21("5","4","6","2","3","1","6","1") = "5"
    & skf21("5","4","6","2","3","1","7","1") = "6"
    & skf21("5","4","6","2","3","2","1","1") = "5"
    & skf21("5","4","6","2","3","2","2","1") = "5"
    & skf21("5","4","6","2","3","2","3","1") = "5"
    & skf21("5","4","6","2","3","2","4","1") = "5"
    & skf21("5","4","6","2","3","2","5","1") = "5"
    & skf21("5","4","6","2","3","2","6","1") = "5"
    & skf21("5","4","6","2","3","2","7","1") = "6"
    & skf21("5","4","6","2","3","3","1","1") = "5"
    & skf21("5","4","6","2","3","3","2","1") = "5"
    & skf21("5","4","6","2","3","3","3","1") = "5"
    & skf21("5","4","6","2","3","3","4","1") = "5"
    & skf21("5","4","6","2","3","3","5","1") = "5"
    & skf21("5","4","6","2","3","3","6","1") = "5"
    & skf21("5","4","6","2","3","3","7","1") = "6"
    & skf21("5","4","6","2","3","4","1","1") = "5"
    & skf21("5","4","6","2","3","4","2","1") = "5"
    & skf21("5","4","6","2","3","4","3","1") = "5"
    & skf21("5","4","6","2","3","4","4","1") = "5"
    & skf21("5","4","6","2","3","4","5","1") = "5"
    & skf21("5","4","6","2","3","4","6","1") = "5"
    & skf21("5","4","6","2","3","4","7","1") = "6"
    & skf21("5","4","6","2","3","5","1","1") = "5"
    & skf21("5","4","6","2","3","5","2","1") = "5"
    & skf21("5","4","6","2","3","5","3","1") = "5"
    & skf21("5","4","6","2","3","5","4","1") = "5"
    & skf21("5","4","6","2","3","5","5","1") = "5"
    & skf21("5","4","6","2","3","5","6","1") = "5"
    & skf21("5","4","6","2","3","5","7","1") = "6"
    & skf21("5","4","6","2","3","6","1","1") = "5"
    & skf21("5","4","6","2","3","6","2","1") = "5"
    & skf21("5","4","6","2","3","6","3","1") = "5"
    & skf21("5","4","6","2","3","6","4","1") = "5"
    & skf21("5","4","6","2","3","6","5","1") = "5"
    & skf21("5","4","6","2","3","6","6","1") = "5"
    & skf21("5","4","6","2","3","6","7","1") = "6"
    & skf21("5","4","6","2","3","7","1","1") = "6"
    & skf21("5","4","6","2","3","7","2","1") = "6"
    & skf21("5","4","6","2","3","7","3","1") = "6"
    & skf21("5","4","6","2","3","7","4","1") = "6"
    & skf21("5","4","6","2","3","7","5","1") = "6"
    & skf21("5","4","6","2","3","7","6","1") = "6"
    & skf21("5","4","6","2","3","7","7","1") = "6"
    & skf21("5","4","6","2","4","1","1","1") = "5"
    & skf21("5","4","6","2","4","1","2","1") = "5"
    & skf21("5","4","6","2","4","1","3","1") = "5"
    & skf21("5","4","6","2","4","1","4","1") = "5"
    & skf21("5","4","6","2","4","1","5","1") = "5"
    & skf21("5","4","6","2","4","1","6","1") = "5"
    & skf21("5","4","6","2","4","1","7","1") = "6"
    & skf21("5","4","6","2","4","2","1","1") = "5"
    & skf21("5","4","6","2","4","2","2","1") = "5"
    & skf21("5","4","6","2","4","2","3","1") = "5"
    & skf21("5","4","6","2","4","2","4","1") = "5"
    & skf21("5","4","6","2","4","2","5","1") = "5"
    & skf21("5","4","6","2","4","2","6","1") = "5"
    & skf21("5","4","6","2","4","2","7","1") = "6"
    & skf21("5","4","6","2","4","3","1","1") = "5"
    & skf21("5","4","6","2","4","3","2","1") = "5"
    & skf21("5","4","6","2","4","3","3","1") = "5"
    & skf21("5","4","6","2","4","3","4","1") = "5"
    & skf21("5","4","6","2","4","3","5","1") = "5"
    & skf21("5","4","6","2","4","3","6","1") = "5"
    & skf21("5","4","6","2","4","3","7","1") = "6"
    & skf21("5","4","6","2","4","4","1","1") = "5"
    & skf21("5","4","6","2","4","4","2","1") = "5"
    & skf21("5","4","6","2","4","4","3","1") = "5"
    & skf21("5","4","6","2","4","4","4","1") = "5"
    & skf21("5","4","6","2","4","4","5","1") = "5"
    & skf21("5","4","6","2","4","4","6","1") = "5"
    & skf21("5","4","6","2","4","4","7","1") = "6"
    & skf21("5","4","6","2","4","5","1","1") = "5"
    & skf21("5","4","6","2","4","5","2","1") = "5"
    & skf21("5","4","6","2","4","5","3","1") = "5"
    & skf21("5","4","6","2","4","5","4","1") = "5"
    & skf21("5","4","6","2","4","5","5","1") = "5"
    & skf21("5","4","6","2","4","5","6","1") = "5"
    & skf21("5","4","6","2","4","5","7","1") = "6"
    & skf21("5","4","6","2","4","6","1","1") = "5"
    & skf21("5","4","6","2","4","6","2","1") = "5"
    & skf21("5","4","6","2","4","6","3","1") = "5"
    & skf21("5","4","6","2","4","6","4","1") = "5"
    & skf21("5","4","6","2","4","6","5","1") = "5"
    & skf21("5","4","6","2","4","6","6","1") = "5"
    & skf21("5","4","6","2","4","6","7","1") = "6"
    & skf21("5","4","6","2","4","7","1","1") = "6"
    & skf21("5","4","6","2","4","7","2","1") = "6"
    & skf21("5","4","6","2","4","7","3","1") = "6"
    & skf21("5","4","6","2","4","7","4","1") = "6"
    & skf21("5","4","6","2","4","7","5","1") = "6"
    & skf21("5","4","6","2","4","7","6","1") = "6"
    & skf21("5","4","6","2","4","7","7","1") = "6"
    & skf21("5","4","6","2","5","1","1","1") = "5"
    & skf21("5","4","6","2","5","1","2","1") = "5"
    & skf21("5","4","6","2","5","1","3","1") = "5"
    & skf21("5","4","6","2","5","1","4","1") = "5"
    & skf21("5","4","6","2","5","1","5","1") = "5"
    & skf21("5","4","6","2","5","1","6","1") = "5"
    & skf21("5","4","6","2","5","1","7","1") = "6"
    & skf21("5","4","6","2","5","2","1","1") = "5"
    & skf21("5","4","6","2","5","2","2","1") = "5"
    & skf21("5","4","6","2","5","2","3","1") = "5"
    & skf21("5","4","6","2","5","2","4","1") = "5"
    & skf21("5","4","6","2","5","2","5","1") = "5"
    & skf21("5","4","6","2","5","2","6","1") = "5"
    & skf21("5","4","6","2","5","2","7","1") = "6"
    & skf21("5","4","6","2","5","3","1","1") = "5"
    & skf21("5","4","6","2","5","3","2","1") = "5"
    & skf21("5","4","6","2","5","3","3","1") = "5"
    & skf21("5","4","6","2","5","3","4","1") = "5"
    & skf21("5","4","6","2","5","3","5","1") = "5"
    & skf21("5","4","6","2","5","3","6","1") = "5"
    & skf21("5","4","6","2","5","3","7","1") = "6"
    & skf21("5","4","6","2","5","4","1","1") = "5"
    & skf21("5","4","6","2","5","4","2","1") = "5"
    & skf21("5","4","6","2","5","4","3","1") = "5"
    & skf21("5","4","6","2","5","4","4","1") = "5"
    & skf21("5","4","6","2","5","4","5","1") = "5"
    & skf21("5","4","6","2","5","4","6","1") = "5"
    & skf21("5","4","6","2","5","4","7","1") = "6"
    & skf21("5","4","6","2","5","5","1","1") = "5"
    & skf21("5","4","6","2","5","5","2","1") = "5"
    & skf21("5","4","6","2","5","5","3","1") = "5"
    & skf21("5","4","6","2","5","5","4","1") = "5"
    & skf21("5","4","6","2","5","5","5","1") = "5"
    & skf21("5","4","6","2","5","5","6","1") = "5"
    & skf21("5","4","6","2","5","5","7","1") = "6"
    & skf21("5","4","6","2","5","6","1","1") = "5"
    & skf21("5","4","6","2","5","6","2","1") = "5"
    & skf21("5","4","6","2","5","6","3","1") = "5"
    & skf21("5","4","6","2","5","6","4","1") = "5"
    & skf21("5","4","6","2","5","6","5","1") = "5"
    & skf21("5","4","6","2","5","6","6","1") = "5"
    & skf21("5","4","6","2","5","6","7","1") = "6"
    & skf21("5","4","6","2","5","7","1","1") = "6"
    & skf21("5","4","6","2","5","7","2","1") = "6"
    & skf21("5","4","6","2","5","7","3","1") = "6"
    & skf21("5","4","6","2","5","7","4","1") = "6"
    & skf21("5","4","6","2","5","7","5","1") = "6"
    & skf21("5","4","6","2","5","7","6","1") = "6"
    & skf21("5","4","6","2","5","7","7","1") = "6"
    & skf21("5","4","6","2","6","1","1","1") = "5"
    & skf21("5","4","6","2","6","1","2","1") = "5"
    & skf21("5","4","6","2","6","1","3","1") = "5"
    & skf21("5","4","6","2","6","1","4","1") = "5"
    & skf21("5","4","6","2","6","1","5","1") = "5"
    & skf21("5","4","6","2","6","1","6","1") = "5"
    & skf21("5","4","6","2","6","1","7","1") = "6"
    & skf21("5","4","6","2","6","2","1","1") = "5"
    & skf21("5","4","6","2","6","2","2","1") = "5"
    & skf21("5","4","6","2","6","2","3","1") = "5"
    & skf21("5","4","6","2","6","2","4","1") = "5"
    & skf21("5","4","6","2","6","2","5","1") = "5"
    & skf21("5","4","6","2","6","2","6","1") = "5"
    & skf21("5","4","6","2","6","2","7","1") = "6"
    & skf21("5","4","6","2","6","3","1","1") = "5"
    & skf21("5","4","6","2","6","3","2","1") = "5"
    & skf21("5","4","6","2","6","3","3","1") = "5"
    & skf21("5","4","6","2","6","3","4","1") = "5"
    & skf21("5","4","6","2","6","3","5","1") = "5"
    & skf21("5","4","6","2","6","3","6","1") = "5"
    & skf21("5","4","6","2","6","3","7","1") = "6"
    & skf21("5","4","6","2","6","4","1","1") = "5"
    & skf21("5","4","6","2","6","4","2","1") = "5"
    & skf21("5","4","6","2","6","4","3","1") = "5"
    & skf21("5","4","6","2","6","4","4","1") = "5"
    & skf21("5","4","6","2","6","4","5","1") = "5"
    & skf21("5","4","6","2","6","4","6","1") = "5"
    & skf21("5","4","6","2","6","4","7","1") = "6"
    & skf21("5","4","6","2","6","5","1","1") = "5"
    & skf21("5","4","6","2","6","5","2","1") = "5"
    & skf21("5","4","6","2","6","5","3","1") = "5"
    & skf21("5","4","6","2","6","5","4","1") = "5"
    & skf21("5","4","6","2","6","5","5","1") = "5"
    & skf21("5","4","6","2","6","5","6","1") = "5"
    & skf21("5","4","6","2","6","5","7","1") = "6"
    & skf21("5","4","6","2","6","6","1","1") = "5"
    & skf21("5","4","6","2","6","6","2","1") = "5"
    & skf21("5","4","6","2","6","6","3","1") = "5"
    & skf21("5","4","6","2","6","6","4","1") = "5"
    & skf21("5","4","6","2","6","6","5","1") = "5"
    & skf21("5","4","6","2","6","6","6","1") = "5"
    & skf21("5","4","6","2","6","6","7","1") = "6"
    & skf21("5","4","6","2","6","7","1","1") = "6"
    & skf21("5","4","6","2","6","7","2","1") = "6"
    & skf21("5","4","6","2","6","7","3","1") = "6"
    & skf21("5","4","6","2","6","7","4","1") = "6"
    & skf21("5","4","6","2","6","7","5","1") = "6"
    & skf21("5","4","6","2","6","7","6","1") = "6"
    & skf21("5","4","6","2","6","7","7","1") = "6"
    & skf21("5","4","6","2","7","1","1","1") = "6"
    & skf21("5","4","6","2","7","1","2","1") = "6"
    & skf21("5","4","6","2","7","1","3","1") = "6"
    & skf21("5","4","6","2","7","1","4","1") = "6"
    & skf21("5","4","6","2","7","1","5","1") = "6"
    & skf21("5","4","6","2","7","1","6","1") = "6"
    & skf21("5","4","6","2","7","1","7","1") = "6"
    & skf21("5","4","6","2","7","2","1","1") = "6"
    & skf21("5","4","6","2","7","2","2","1") = "6"
    & skf21("5","4","6","2","7","2","3","1") = "6"
    & skf21("5","4","6","2","7","2","4","1") = "6"
    & skf21("5","4","6","2","7","2","5","1") = "6"
    & skf21("5","4","6","2","7","2","6","1") = "6"
    & skf21("5","4","6","2","7","2","7","1") = "6"
    & skf21("5","4","6","2","7","3","1","1") = "6"
    & skf21("5","4","6","2","7","3","2","1") = "6"
    & skf21("5","4","6","2","7","3","3","1") = "6"
    & skf21("5","4","6","2","7","3","4","1") = "6"
    & skf21("5","4","6","2","7","3","5","1") = "6"
    & skf21("5","4","6","2","7","3","6","1") = "6"
    & skf21("5","4","6","2","7","3","7","1") = "6"
    & skf21("5","4","6","2","7","4","1","1") = "6"
    & skf21("5","4","6","2","7","4","2","1") = "6"
    & skf21("5","4","6","2","7","4","3","1") = "6"
    & skf21("5","4","6","2","7","4","4","1") = "6"
    & skf21("5","4","6","2","7","4","5","1") = "6"
    & skf21("5","4","6","2","7","4","6","1") = "6"
    & skf21("5","4","6","2","7","4","7","1") = "6"
    & skf21("5","4","6","2","7","5","1","1") = "6"
    & skf21("5","4","6","2","7","5","2","1") = "6"
    & skf21("5","4","6","2","7","5","3","1") = "6"
    & skf21("5","4","6","2","7","5","4","1") = "6"
    & skf21("5","4","6","2","7","5","5","1") = "6"
    & skf21("5","4","6","2","7","5","6","1") = "6"
    & skf21("5","4","6","2","7","5","7","1") = "6"
    & skf21("5","4","6","2","7","6","1","1") = "6"
    & skf21("5","4","6","2","7","6","2","1") = "6"
    & skf21("5","4","6","2","7","6","3","1") = "6"
    & skf21("5","4","6","2","7","6","4","1") = "6"
    & skf21("5","4","6","2","7","6","5","1") = "6"
    & skf21("5","4","6","2","7","6","6","1") = "6"
    & skf21("5","4","6","2","7","6","7","1") = "6"
    & skf21("5","4","6","2","7","7","1","1") = "6"
    & skf21("5","4","6","2","7","7","2","1") = "6"
    & skf21("5","4","6","2","7","7","3","1") = "6"
    & skf21("5","4","6","2","7","7","4","1") = "6"
    & skf21("5","4","6","2","7","7","5","1") = "6"
    & skf21("5","4","6","2","7","7","6","1") = "6"
    & skf21("5","4","6","2","7","7","7","1") = "6"
    & skf21("5","4","6","3","1","1","1","1") = "5"
    & skf21("5","4","6","3","1","1","2","1") = "5"
    & skf21("5","4","6","3","1","1","3","1") = "5"
    & skf21("5","4","6","3","1","1","4","1") = "5"
    & skf21("5","4","6","3","1","1","5","1") = "5"
    & skf21("5","4","6","3","1","1","6","1") = "5"
    & skf21("5","4","6","3","1","1","7","1") = "6"
    & skf21("5","4","6","3","1","2","1","1") = "5"
    & skf21("5","4","6","3","1","2","2","1") = "5"
    & skf21("5","4","6","3","1","2","3","1") = "5"
    & skf21("5","4","6","3","1","2","4","1") = "5"
    & skf21("5","4","6","3","1","2","5","1") = "5"
    & skf21("5","4","6","3","1","2","6","1") = "5"
    & skf21("5","4","6","3","1","2","7","1") = "6"
    & skf21("5","4","6","3","1","3","1","1") = "5"
    & skf21("5","4","6","3","1","3","2","1") = "5"
    & skf21("5","4","6","3","1","3","3","1") = "5"
    & skf21("5","4","6","3","1","3","4","1") = "5"
    & skf21("5","4","6","3","1","3","5","1") = "5"
    & skf21("5","4","6","3","1","3","6","1") = "5"
    & skf21("5","4","6","3","1","3","7","1") = "6"
    & skf21("5","4","6","3","1","4","1","1") = "5"
    & skf21("5","4","6","3","1","4","2","1") = "5"
    & skf21("5","4","6","3","1","4","3","1") = "5"
    & skf21("5","4","6","3","1","4","4","1") = "5"
    & skf21("5","4","6","3","1","4","5","1") = "5"
    & skf21("5","4","6","3","1","4","6","1") = "5"
    & skf21("5","4","6","3","1","4","7","1") = "6"
    & skf21("5","4","6","3","1","5","1","1") = "5"
    & skf21("5","4","6","3","1","5","2","1") = "5"
    & skf21("5","4","6","3","1","5","3","1") = "5"
    & skf21("5","4","6","3","1","5","4","1") = "5"
    & skf21("5","4","6","3","1","5","5","1") = "5"
    & skf21("5","4","6","3","1","5","6","1") = "5"
    & skf21("5","4","6","3","1","5","7","1") = "6"
    & skf21("5","4","6","3","1","6","1","1") = "5"
    & skf21("5","4","6","3","1","6","2","1") = "5"
    & skf21("5","4","6","3","1","6","3","1") = "5"
    & skf21("5","4","6","3","1","6","4","1") = "5"
    & skf21("5","4","6","3","1","6","5","1") = "5"
    & skf21("5","4","6","3","1","6","6","1") = "5"
    & skf21("5","4","6","3","1","6","7","1") = "6"
    & skf21("5","4","6","3","1","7","1","1") = "6"
    & skf21("5","4","6","3","1","7","2","1") = "6"
    & skf21("5","4","6","3","1","7","3","1") = "6"
    & skf21("5","4","6","3","1","7","4","1") = "6"
    & skf21("5","4","6","3","1","7","5","1") = "6"
    & skf21("5","4","6","3","1","7","6","1") = "6"
    & skf21("5","4","6","3","1","7","7","1") = "6"
    & skf21("5","4","6","3","2","1","1","1") = "5"
    & skf21("5","4","6","3","2","1","2","1") = "5"
    & skf21("5","4","6","3","2","1","3","1") = "5"
    & skf21("5","4","6","3","2","1","4","1") = "5"
    & skf21("5","4","6","3","2","1","5","1") = "5"
    & skf21("5","4","6","3","2","1","6","1") = "5"
    & skf21("5","4","6","3","2","1","7","1") = "6"
    & skf21("5","4","6","3","2","2","1","1") = "5"
    & skf21("5","4","6","3","2","2","2","1") = "5"
    & skf21("5","4","6","3","2","2","3","1") = "5"
    & skf21("5","4","6","3","2","2","4","1") = "5"
    & skf21("5","4","6","3","2","2","5","1") = "5"
    & skf21("5","4","6","3","2","2","6","1") = "5"
    & skf21("5","4","6","3","2","2","7","1") = "6"
    & skf21("5","4","6","3","2","3","1","1") = "5"
    & skf21("5","4","6","3","2","3","2","1") = "5"
    & skf21("5","4","6","3","2","3","3","1") = "5"
    & skf21("5","4","6","3","2","3","4","1") = "5"
    & skf21("5","4","6","3","2","3","5","1") = "5"
    & skf21("5","4","6","3","2","3","6","1") = "5"
    & skf21("5","4","6","3","2","3","7","1") = "6"
    & skf21("5","4","6","3","2","4","1","1") = "5"
    & skf21("5","4","6","3","2","4","2","1") = "5"
    & skf21("5","4","6","3","2","4","3","1") = "5"
    & skf21("5","4","6","3","2","4","4","1") = "5"
    & skf21("5","4","6","3","2","4","5","1") = "5"
    & skf21("5","4","6","3","2","4","6","1") = "5"
    & skf21("5","4","6","3","2","4","7","1") = "6"
    & skf21("5","4","6","3","2","5","1","1") = "5"
    & skf21("5","4","6","3","2","5","2","1") = "5"
    & skf21("5","4","6","3","2","5","3","1") = "5"
    & skf21("5","4","6","3","2","5","4","1") = "5"
    & skf21("5","4","6","3","2","5","5","1") = "5"
    & skf21("5","4","6","3","2","5","6","1") = "5"
    & skf21("5","4","6","3","2","5","7","1") = "6"
    & skf21("5","4","6","3","2","6","1","1") = "5"
    & skf21("5","4","6","3","2","6","2","1") = "5"
    & skf21("5","4","6","3","2","6","3","1") = "5"
    & skf21("5","4","6","3","2","6","4","1") = "5"
    & skf21("5","4","6","3","2","6","5","1") = "5"
    & skf21("5","4","6","3","2","6","6","1") = "5"
    & skf21("5","4","6","3","2","6","7","1") = "6"
    & skf21("5","4","6","3","2","7","1","1") = "6"
    & skf21("5","4","6","3","2","7","2","1") = "6"
    & skf21("5","4","6","3","2","7","3","1") = "6"
    & skf21("5","4","6","3","2","7","4","1") = "6"
    & skf21("5","4","6","3","2","7","5","1") = "6"
    & skf21("5","4","6","3","2","7","6","1") = "6"
    & skf21("5","4","6","3","2","7","7","1") = "6"
    & skf21("5","4","6","3","3","1","1","1") = "5"
    & skf21("5","4","6","3","3","1","2","1") = "5"
    & skf21("5","4","6","3","3","1","3","1") = "5"
    & skf21("5","4","6","3","3","1","4","1") = "5"
    & skf21("5","4","6","3","3","1","5","1") = "5"
    & skf21("5","4","6","3","3","1","6","1") = "5"
    & skf21("5","4","6","3","3","1","7","1") = "6"
    & skf21("5","4","6","3","3","2","1","1") = "5"
    & skf21("5","4","6","3","3","2","2","1") = "5"
    & skf21("5","4","6","3","3","2","3","1") = "5"
    & skf21("5","4","6","3","3","2","4","1") = "5"
    & skf21("5","4","6","3","3","2","5","1") = "5"
    & skf21("5","4","6","3","3","2","6","1") = "5"
    & skf21("5","4","6","3","3","2","7","1") = "6"
    & skf21("5","4","6","3","3","3","1","1") = "5"
    & skf21("5","4","6","3","3","3","2","1") = "5"
    & skf21("5","4","6","3","3","3","3","1") = "5"
    & skf21("5","4","6","3","3","3","4","1") = "5"
    & skf21("5","4","6","3","3","3","5","1") = "5"
    & skf21("5","4","6","3","3","3","6","1") = "5"
    & skf21("5","4","6","3","3","3","7","1") = "6"
    & skf21("5","4","6","3","3","4","1","1") = "5"
    & skf21("5","4","6","3","3","4","2","1") = "5"
    & skf21("5","4","6","3","3","4","3","1") = "5"
    & skf21("5","4","6","3","3","4","4","1") = "5"
    & skf21("5","4","6","3","3","4","5","1") = "5"
    & skf21("5","4","6","3","3","4","6","1") = "5"
    & skf21("5","4","6","3","3","4","7","1") = "6"
    & skf21("5","4","6","3","3","5","1","1") = "5"
    & skf21("5","4","6","3","3","5","2","1") = "5"
    & skf21("5","4","6","3","3","5","3","1") = "5"
    & skf21("5","4","6","3","3","5","4","1") = "5"
    & skf21("5","4","6","3","3","5","5","1") = "5"
    & skf21("5","4","6","3","3","5","6","1") = "5"
    & skf21("5","4","6","3","3","5","7","1") = "6"
    & skf21("5","4","6","3","3","6","1","1") = "5"
    & skf21("5","4","6","3","3","6","2","1") = "5"
    & skf21("5","4","6","3","3","6","3","1") = "5"
    & skf21("5","4","6","3","3","6","4","1") = "5"
    & skf21("5","4","6","3","3","6","5","1") = "5"
    & skf21("5","4","6","3","3","6","6","1") = "5"
    & skf21("5","4","6","3","3","6","7","1") = "6"
    & skf21("5","4","6","3","3","7","1","1") = "6"
    & skf21("5","4","6","3","3","7","2","1") = "6"
    & skf21("5","4","6","3","3","7","3","1") = "6"
    & skf21("5","4","6","3","3","7","4","1") = "6"
    & skf21("5","4","6","3","3","7","5","1") = "6"
    & skf21("5","4","6","3","3","7","6","1") = "6"
    & skf21("5","4","6","3","3","7","7","1") = "6"
    & skf21("5","4","6","3","4","1","1","1") = "5"
    & skf21("5","4","6","3","4","1","2","1") = "5"
    & skf21("5","4","6","3","4","1","3","1") = "5"
    & skf21("5","4","6","3","4","1","4","1") = "5"
    & skf21("5","4","6","3","4","1","5","1") = "5"
    & skf21("5","4","6","3","4","1","6","1") = "5"
    & skf21("5","4","6","3","4","1","7","1") = "6"
    & skf21("5","4","6","3","4","2","1","1") = "5"
    & skf21("5","4","6","3","4","2","2","1") = "5"
    & skf21("5","4","6","3","4","2","3","1") = "5"
    & skf21("5","4","6","3","4","2","4","1") = "5"
    & skf21("5","4","6","3","4","2","5","1") = "5"
    & skf21("5","4","6","3","4","2","6","1") = "5"
    & skf21("5","4","6","3","4","2","7","1") = "6"
    & skf21("5","4","6","3","4","3","1","1") = "5"
    & skf21("5","4","6","3","4","3","2","1") = "5"
    & skf21("5","4","6","3","4","3","3","1") = "5"
    & skf21("5","4","6","3","4","3","4","1") = "5"
    & skf21("5","4","6","3","4","3","5","1") = "5"
    & skf21("5","4","6","3","4","3","6","1") = "5"
    & skf21("5","4","6","3","4","3","7","1") = "6"
    & skf21("5","4","6","3","4","4","1","1") = "5"
    & skf21("5","4","6","3","4","4","2","1") = "5"
    & skf21("5","4","6","3","4","4","3","1") = "5"
    & skf21("5","4","6","3","4","4","4","1") = "5"
    & skf21("5","4","6","3","4","4","5","1") = "5"
    & skf21("5","4","6","3","4","4","6","1") = "5"
    & skf21("5","4","6","3","4","4","7","1") = "6"
    & skf21("5","4","6","3","4","5","1","1") = "5"
    & skf21("5","4","6","3","4","5","2","1") = "5"
    & skf21("5","4","6","3","4","5","3","1") = "5"
    & skf21("5","4","6","3","4","5","4","1") = "5"
    & skf21("5","4","6","3","4","5","5","1") = "5"
    & skf21("5","4","6","3","4","5","6","1") = "5"
    & skf21("5","4","6","3","4","5","7","1") = "6"
    & skf21("5","4","6","3","4","6","1","1") = "5"
    & skf21("5","4","6","3","4","6","2","1") = "5"
    & skf21("5","4","6","3","4","6","3","1") = "5"
    & skf21("5","4","6","3","4","6","4","1") = "5"
    & skf21("5","4","6","3","4","6","5","1") = "5"
    & skf21("5","4","6","3","4","6","6","1") = "5"
    & skf21("5","4","6","3","4","6","7","1") = "6"
    & skf21("5","4","6","3","4","7","1","1") = "6"
    & skf21("5","4","6","3","4","7","2","1") = "6"
    & skf21("5","4","6","3","4","7","3","1") = "6"
    & skf21("5","4","6","3","4","7","4","1") = "6"
    & skf21("5","4","6","3","4","7","5","1") = "6"
    & skf21("5","4","6","3","4","7","6","1") = "6"
    & skf21("5","4","6","3","4","7","7","1") = "6"
    & skf21("5","4","6","3","5","1","1","1") = "5"
    & skf21("5","4","6","3","5","1","2","1") = "5"
    & skf21("5","4","6","3","5","1","3","1") = "5"
    & skf21("5","4","6","3","5","1","4","1") = "5"
    & skf21("5","4","6","3","5","1","5","1") = "5"
    & skf21("5","4","6","3","5","1","6","1") = "5"
    & skf21("5","4","6","3","5","1","7","1") = "6"
    & skf21("5","4","6","3","5","2","1","1") = "5"
    & skf21("5","4","6","3","5","2","2","1") = "5"
    & skf21("5","4","6","3","5","2","3","1") = "5"
    & skf21("5","4","6","3","5","2","4","1") = "5"
    & skf21("5","4","6","3","5","2","5","1") = "5"
    & skf21("5","4","6","3","5","2","6","1") = "5"
    & skf21("5","4","6","3","5","2","7","1") = "6"
    & skf21("5","4","6","3","5","3","1","1") = "5"
    & skf21("5","4","6","3","5","3","2","1") = "5"
    & skf21("5","4","6","3","5","3","3","1") = "5"
    & skf21("5","4","6","3","5","3","4","1") = "5"
    & skf21("5","4","6","3","5","3","5","1") = "5"
    & skf21("5","4","6","3","5","3","6","1") = "5"
    & skf21("5","4","6","3","5","3","7","1") = "6"
    & skf21("5","4","6","3","5","4","1","1") = "5"
    & skf21("5","4","6","3","5","4","2","1") = "5"
    & skf21("5","4","6","3","5","4","3","1") = "5"
    & skf21("5","4","6","3","5","4","4","1") = "5"
    & skf21("5","4","6","3","5","4","5","1") = "5"
    & skf21("5","4","6","3","5","4","6","1") = "5"
    & skf21("5","4","6","3","5","4","7","1") = "6"
    & skf21("5","4","6","3","5","5","1","1") = "5"
    & skf21("5","4","6","3","5","5","2","1") = "5"
    & skf21("5","4","6","3","5","5","3","1") = "5"
    & skf21("5","4","6","3","5","5","4","1") = "5"
    & skf21("5","4","6","3","5","5","5","1") = "5"
    & skf21("5","4","6","3","5","5","6","1") = "5"
    & skf21("5","4","6","3","5","5","7","1") = "6"
    & skf21("5","4","6","3","5","6","1","1") = "5"
    & skf21("5","4","6","3","5","6","2","1") = "5"
    & skf21("5","4","6","3","5","6","3","1") = "5"
    & skf21("5","4","6","3","5","6","4","1") = "5"
    & skf21("5","4","6","3","5","6","5","1") = "5"
    & skf21("5","4","6","3","5","6","6","1") = "5"
    & skf21("5","4","6","3","5","6","7","1") = "6"
    & skf21("5","4","6","3","5","7","1","1") = "6"
    & skf21("5","4","6","3","5","7","2","1") = "6"
    & skf21("5","4","6","3","5","7","3","1") = "6"
    & skf21("5","4","6","3","5","7","4","1") = "6"
    & skf21("5","4","6","3","5","7","5","1") = "6"
    & skf21("5","4","6","3","5","7","6","1") = "6"
    & skf21("5","4","6","3","5","7","7","1") = "6"
    & skf21("5","4","6","3","6","1","1","1") = "5"
    & skf21("5","4","6","3","6","1","2","1") = "5"
    & skf21("5","4","6","3","6","1","3","1") = "5"
    & skf21("5","4","6","3","6","1","4","1") = "5"
    & skf21("5","4","6","3","6","1","5","1") = "5"
    & skf21("5","4","6","3","6","1","6","1") = "5"
    & skf21("5","4","6","3","6","1","7","1") = "6"
    & skf21("5","4","6","3","6","2","1","1") = "5"
    & skf21("5","4","6","3","6","2","2","1") = "5"
    & skf21("5","4","6","3","6","2","3","1") = "5"
    & skf21("5","4","6","3","6","2","4","1") = "5"
    & skf21("5","4","6","3","6","2","5","1") = "5"
    & skf21("5","4","6","3","6","2","6","1") = "5"
    & skf21("5","4","6","3","6","2","7","1") = "6"
    & skf21("5","4","6","3","6","3","1","1") = "5"
    & skf21("5","4","6","3","6","3","2","1") = "5"
    & skf21("5","4","6","3","6","3","3","1") = "5"
    & skf21("5","4","6","3","6","3","4","1") = "5"
    & skf21("5","4","6","3","6","3","5","1") = "5"
    & skf21("5","4","6","3","6","3","6","1") = "5"
    & skf21("5","4","6","3","6","3","7","1") = "6"
    & skf21("5","4","6","3","6","4","1","1") = "5"
    & skf21("5","4","6","3","6","4","2","1") = "5"
    & skf21("5","4","6","3","6","4","3","1") = "5"
    & skf21("5","4","6","3","6","4","4","1") = "5"
    & skf21("5","4","6","3","6","4","5","1") = "5"
    & skf21("5","4","6","3","6","4","6","1") = "5"
    & skf21("5","4","6","3","6","4","7","1") = "6"
    & skf21("5","4","6","3","6","5","1","1") = "5"
    & skf21("5","4","6","3","6","5","2","1") = "5"
    & skf21("5","4","6","3","6","5","3","1") = "5"
    & skf21("5","4","6","3","6","5","4","1") = "5"
    & skf21("5","4","6","3","6","5","5","1") = "5"
    & skf21("5","4","6","3","6","5","6","1") = "5"
    & skf21("5","4","6","3","6","5","7","1") = "6"
    & skf21("5","4","6","3","6","6","1","1") = "5"
    & skf21("5","4","6","3","6","6","2","1") = "5"
    & skf21("5","4","6","3","6","6","3","1") = "5"
    & skf21("5","4","6","3","6","6","4","1") = "5"
    & skf21("5","4","6","3","6","6","5","1") = "5"
    & skf21("5","4","6","3","6","6","6","1") = "5"
    & skf21("5","4","6","3","6","6","7","1") = "6"
    & skf21("5","4","6","3","6","7","1","1") = "6"
    & skf21("5","4","6","3","6","7","2","1") = "6"
    & skf21("5","4","6","3","6","7","3","1") = "6"
    & skf21("5","4","6","3","6","7","4","1") = "6"
    & skf21("5","4","6","3","6","7","5","1") = "6"
    & skf21("5","4","6","3","6","7","6","1") = "6"
    & skf21("5","4","6","3","6","7","7","1") = "6"
    & skf21("5","4","6","3","7","1","1","1") = "6"
    & skf21("5","4","6","3","7","1","2","1") = "6"
    & skf21("5","4","6","3","7","1","3","1") = "6"
    & skf21("5","4","6","3","7","1","4","1") = "6"
    & skf21("5","4","6","3","7","1","5","1") = "6"
    & skf21("5","4","6","3","7","1","6","1") = "6"
    & skf21("5","4","6","3","7","1","7","1") = "6"
    & skf21("5","4","6","3","7","2","1","1") = "6"
    & skf21("5","4","6","3","7","2","2","1") = "6"
    & skf21("5","4","6","3","7","2","3","1") = "6"
    & skf21("5","4","6","3","7","2","4","1") = "6"
    & skf21("5","4","6","3","7","2","5","1") = "6"
    & skf21("5","4","6","3","7","2","6","1") = "6"
    & skf21("5","4","6","3","7","2","7","1") = "6"
    & skf21("5","4","6","3","7","3","1","1") = "6"
    & skf21("5","4","6","3","7","3","2","1") = "6"
    & skf21("5","4","6","3","7","3","3","1") = "6"
    & skf21("5","4","6","3","7","3","4","1") = "6"
    & skf21("5","4","6","3","7","3","5","1") = "6"
    & skf21("5","4","6","3","7","3","6","1") = "6"
    & skf21("5","4","6","3","7","3","7","1") = "6"
    & skf21("5","4","6","3","7","4","1","1") = "6"
    & skf21("5","4","6","3","7","4","2","1") = "6"
    & skf21("5","4","6","3","7","4","3","1") = "6"
    & skf21("5","4","6","3","7","4","4","1") = "6"
    & skf21("5","4","6","3","7","4","5","1") = "6"
    & skf21("5","4","6","3","7","4","6","1") = "6"
    & skf21("5","4","6","3","7","4","7","1") = "6"
    & skf21("5","4","6","3","7","5","1","1") = "6"
    & skf21("5","4","6","3","7","5","2","1") = "6"
    & skf21("5","4","6","3","7","5","3","1") = "6"
    & skf21("5","4","6","3","7","5","4","1") = "6"
    & skf21("5","4","6","3","7","5","5","1") = "6"
    & skf21("5","4","6","3","7","5","6","1") = "6"
    & skf21("5","4","6","3","7","5","7","1") = "6"
    & skf21("5","4","6","3","7","6","1","1") = "6"
    & skf21("5","4","6","3","7","6","2","1") = "6"
    & skf21("5","4","6","3","7","6","3","1") = "6"
    & skf21("5","4","6","3","7","6","4","1") = "6"
    & skf21("5","4","6","3","7","6","5","1") = "6"
    & skf21("5","4","6","3","7","6","6","1") = "6"
    & skf21("5","4","6","3","7","6","7","1") = "6"
    & skf21("5","4","6","3","7","7","1","1") = "6"
    & skf21("5","4","6","3","7","7","2","1") = "6"
    & skf21("5","4","6","3","7","7","3","1") = "6"
    & skf21("5","4","6","3","7","7","4","1") = "6"
    & skf21("5","4","6","3","7","7","5","1") = "6"
    & skf21("5","4","6","3","7","7","6","1") = "6"
    & skf21("5","4","6","3","7","7","7","1") = "6"
    & skf21("5","4","6","4","1","1","1","1") = "5"
    & skf21("5","4","6","4","1","1","2","1") = "5"
    & skf21("5","4","6","4","1","1","3","1") = "5"
    & skf21("5","4","6","4","1","1","4","1") = "5"
    & skf21("5","4","6","4","1","1","5","1") = "5"
    & skf21("5","4","6","4","1","1","6","1") = "5"
    & skf21("5","4","6","4","1","1","7","1") = "6"
    & skf21("5","4","6","4","1","2","1","1") = "5"
    & skf21("5","4","6","4","1","2","2","1") = "5"
    & skf21("5","4","6","4","1","2","3","1") = "5"
    & skf21("5","4","6","4","1","2","4","1") = "5"
    & skf21("5","4","6","4","1","2","5","1") = "5"
    & skf21("5","4","6","4","1","2","6","1") = "5"
    & skf21("5","4","6","4","1","2","7","1") = "6"
    & skf21("5","4","6","4","1","3","1","1") = "5"
    & skf21("5","4","6","4","1","3","2","1") = "5"
    & skf21("5","4","6","4","1","3","3","1") = "5"
    & skf21("5","4","6","4","1","3","4","1") = "5"
    & skf21("5","4","6","4","1","3","5","1") = "5"
    & skf21("5","4","6","4","1","3","6","1") = "5"
    & skf21("5","4","6","4","1","3","7","1") = "6"
    & skf21("5","4","6","4","1","4","1","1") = "5"
    & skf21("5","4","6","4","1","4","2","1") = "5"
    & skf21("5","4","6","4","1","4","3","1") = "5"
    & skf21("5","4","6","4","1","4","4","1") = "5"
    & skf21("5","4","6","4","1","4","5","1") = "5"
    & skf21("5","4","6","4","1","4","6","1") = "5"
    & skf21("5","4","6","4","1","4","7","1") = "6"
    & skf21("5","4","6","4","1","5","1","1") = "5"
    & skf21("5","4","6","4","1","5","2","1") = "5"
    & skf21("5","4","6","4","1","5","3","1") = "5"
    & skf21("5","4","6","4","1","5","4","1") = "5"
    & skf21("5","4","6","4","1","5","5","1") = "5"
    & skf21("5","4","6","4","1","5","6","1") = "5"
    & skf21("5","4","6","4","1","5","7","1") = "6"
    & skf21("5","4","6","4","1","6","1","1") = "5"
    & skf21("5","4","6","4","1","6","2","1") = "5"
    & skf21("5","4","6","4","1","6","3","1") = "5"
    & skf21("5","4","6","4","1","6","4","1") = "5"
    & skf21("5","4","6","4","1","6","5","1") = "5"
    & skf21("5","4","6","4","1","6","6","1") = "5"
    & skf21("5","4","6","4","1","6","7","1") = "6"
    & skf21("5","4","6","4","1","7","1","1") = "6"
    & skf21("5","4","6","4","1","7","2","1") = "6"
    & skf21("5","4","6","4","1","7","3","1") = "6"
    & skf21("5","4","6","4","1","7","4","1") = "6"
    & skf21("5","4","6","4","1","7","5","1") = "6"
    & skf21("5","4","6","4","1","7","6","1") = "6"
    & skf21("5","4","6","4","1","7","7","1") = "6"
    & skf21("5","4","6","4","2","1","1","1") = "5"
    & skf21("5","4","6","4","2","1","2","1") = "5"
    & skf21("5","4","6","4","2","1","3","1") = "5"
    & skf21("5","4","6","4","2","1","4","1") = "5"
    & skf21("5","4","6","4","2","1","5","1") = "5"
    & skf21("5","4","6","4","2","1","6","1") = "5"
    & skf21("5","4","6","4","2","1","7","1") = "6"
    & skf21("5","4","6","4","2","2","1","1") = "5"
    & skf21("5","4","6","4","2","2","2","1") = "5"
    & skf21("5","4","6","4","2","2","3","1") = "5"
    & skf21("5","4","6","4","2","2","4","1") = "5"
    & skf21("5","4","6","4","2","2","5","1") = "5"
    & skf21("5","4","6","4","2","2","6","1") = "5"
    & skf21("5","4","6","4","2","2","7","1") = "6"
    & skf21("5","4","6","4","2","3","1","1") = "5"
    & skf21("5","4","6","4","2","3","2","1") = "5"
    & skf21("5","4","6","4","2","3","3","1") = "5"
    & skf21("5","4","6","4","2","3","4","1") = "5"
    & skf21("5","4","6","4","2","3","5","1") = "5"
    & skf21("5","4","6","4","2","3","6","1") = "5"
    & skf21("5","4","6","4","2","3","7","1") = "6"
    & skf21("5","4","6","4","2","4","1","1") = "5"
    & skf21("5","4","6","4","2","4","2","1") = "5"
    & skf21("5","4","6","4","2","4","3","1") = "5"
    & skf21("5","4","6","4","2","4","4","1") = "5"
    & skf21("5","4","6","4","2","4","5","1") = "5"
    & skf21("5","4","6","4","2","4","6","1") = "5"
    & skf21("5","4","6","4","2","4","7","1") = "6"
    & skf21("5","4","6","4","2","5","1","1") = "5"
    & skf21("5","4","6","4","2","5","2","1") = "5"
    & skf21("5","4","6","4","2","5","3","1") = "5"
    & skf21("5","4","6","4","2","5","4","1") = "5"
    & skf21("5","4","6","4","2","5","5","1") = "5"
    & skf21("5","4","6","4","2","5","6","1") = "5"
    & skf21("5","4","6","4","2","5","7","1") = "6"
    & skf21("5","4","6","4","2","6","1","1") = "5"
    & skf21("5","4","6","4","2","6","2","1") = "5"
    & skf21("5","4","6","4","2","6","3","1") = "5"
    & skf21("5","4","6","4","2","6","4","1") = "5"
    & skf21("5","4","6","4","2","6","5","1") = "5"
    & skf21("5","4","6","4","2","6","6","1") = "5"
    & skf21("5","4","6","4","2","6","7","1") = "6"
    & skf21("5","4","6","4","2","7","1","1") = "6"
    & skf21("5","4","6","4","2","7","2","1") = "6"
    & skf21("5","4","6","4","2","7","3","1") = "6"
    & skf21("5","4","6","4","2","7","4","1") = "6"
    & skf21("5","4","6","4","2","7","5","1") = "6"
    & skf21("5","4","6","4","2","7","6","1") = "6"
    & skf21("5","4","6","4","2","7","7","1") = "6"
    & skf21("5","4","6","4","3","1","1","1") = "5"
    & skf21("5","4","6","4","3","1","2","1") = "5"
    & skf21("5","4","6","4","3","1","3","1") = "5"
    & skf21("5","4","6","4","3","1","4","1") = "5"
    & skf21("5","4","6","4","3","1","5","1") = "5"
    & skf21("5","4","6","4","3","1","6","1") = "5"
    & skf21("5","4","6","4","3","1","7","1") = "6"
    & skf21("5","4","6","4","3","2","1","1") = "5"
    & skf21("5","4","6","4","3","2","2","1") = "5"
    & skf21("5","4","6","4","3","2","3","1") = "5"
    & skf21("5","4","6","4","3","2","4","1") = "5"
    & skf21("5","4","6","4","3","2","5","1") = "5"
    & skf21("5","4","6","4","3","2","6","1") = "5"
    & skf21("5","4","6","4","3","2","7","1") = "6"
    & skf21("5","4","6","4","3","3","1","1") = "5"
    & skf21("5","4","6","4","3","3","2","1") = "5"
    & skf21("5","4","6","4","3","3","3","1") = "5"
    & skf21("5","4","6","4","3","3","4","1") = "5"
    & skf21("5","4","6","4","3","3","5","1") = "5"
    & skf21("5","4","6","4","3","3","6","1") = "5"
    & skf21("5","4","6","4","3","3","7","1") = "6"
    & skf21("5","4","6","4","3","4","1","1") = "5"
    & skf21("5","4","6","4","3","4","2","1") = "5"
    & skf21("5","4","6","4","3","4","3","1") = "5"
    & skf21("5","4","6","4","3","4","4","1") = "5"
    & skf21("5","4","6","4","3","4","5","1") = "5"
    & skf21("5","4","6","4","3","4","6","1") = "5"
    & skf21("5","4","6","4","3","4","7","1") = "6"
    & skf21("5","4","6","4","3","5","1","1") = "5"
    & skf21("5","4","6","4","3","5","2","1") = "5"
    & skf21("5","4","6","4","3","5","3","1") = "5"
    & skf21("5","4","6","4","3","5","4","1") = "5"
    & skf21("5","4","6","4","3","5","5","1") = "5"
    & skf21("5","4","6","4","3","5","6","1") = "5"
    & skf21("5","4","6","4","3","5","7","1") = "6"
    & skf21("5","4","6","4","3","6","1","1") = "5"
    & skf21("5","4","6","4","3","6","2","1") = "5"
    & skf21("5","4","6","4","3","6","3","1") = "5"
    & skf21("5","4","6","4","3","6","4","1") = "5"
    & skf21("5","4","6","4","3","6","5","1") = "5"
    & skf21("5","4","6","4","3","6","6","1") = "5"
    & skf21("5","4","6","4","3","6","7","1") = "6"
    & skf21("5","4","6","4","3","7","1","1") = "6"
    & skf21("5","4","6","4","3","7","2","1") = "6"
    & skf21("5","4","6","4","3","7","3","1") = "6"
    & skf21("5","4","6","4","3","7","4","1") = "6"
    & skf21("5","4","6","4","3","7","5","1") = "6"
    & skf21("5","4","6","4","3","7","6","1") = "6"
    & skf21("5","4","6","4","3","7","7","1") = "6"
    & skf21("5","4","6","4","4","1","1","1") = "5"
    & skf21("5","4","6","4","4","1","2","1") = "5"
    & skf21("5","4","6","4","4","1","3","1") = "5"
    & skf21("5","4","6","4","4","1","4","1") = "5"
    & skf21("5","4","6","4","4","1","5","1") = "5"
    & skf21("5","4","6","4","4","1","6","1") = "5"
    & skf21("5","4","6","4","4","1","7","1") = "6"
    & skf21("5","4","6","4","4","2","1","1") = "5"
    & skf21("5","4","6","4","4","2","2","1") = "5"
    & skf21("5","4","6","4","4","2","3","1") = "5"
    & skf21("5","4","6","4","4","2","4","1") = "5"
    & skf21("5","4","6","4","4","2","5","1") = "5"
    & skf21("5","4","6","4","4","2","6","1") = "5"
    & skf21("5","4","6","4","4","2","7","1") = "6"
    & skf21("5","4","6","4","4","3","1","1") = "5"
    & skf21("5","4","6","4","4","3","2","1") = "5"
    & skf21("5","4","6","4","4","3","3","1") = "5"
    & skf21("5","4","6","4","4","3","4","1") = "5"
    & skf21("5","4","6","4","4","3","5","1") = "5"
    & skf21("5","4","6","4","4","3","6","1") = "5"
    & skf21("5","4","6","4","4","3","7","1") = "6"
    & skf21("5","4","6","4","4","4","1","1") = "5"
    & skf21("5","4","6","4","4","4","2","1") = "5"
    & skf21("5","4","6","4","4","4","3","1") = "5"
    & skf21("5","4","6","4","4","4","4","1") = "5"
    & skf21("5","4","6","4","4","4","5","1") = "5"
    & skf21("5","4","6","4","4","4","6","1") = "5"
    & skf21("5","4","6","4","4","4","7","1") = "6"
    & skf21("5","4","6","4","4","5","1","1") = "5"
    & skf21("5","4","6","4","4","5","2","1") = "5"
    & skf21("5","4","6","4","4","5","3","1") = "5"
    & skf21("5","4","6","4","4","5","4","1") = "5"
    & skf21("5","4","6","4","4","5","5","1") = "5"
    & skf21("5","4","6","4","4","5","6","1") = "5"
    & skf21("5","4","6","4","4","5","7","1") = "6"
    & skf21("5","4","6","4","4","6","1","1") = "5"
    & skf21("5","4","6","4","4","6","2","1") = "5"
    & skf21("5","4","6","4","4","6","3","1") = "5"
    & skf21("5","4","6","4","4","6","4","1") = "5"
    & skf21("5","4","6","4","4","6","5","1") = "5"
    & skf21("5","4","6","4","4","6","6","1") = "5"
    & skf21("5","4","6","4","4","6","7","1") = "6"
    & skf21("5","4","6","4","4","7","1","1") = "6"
    & skf21("5","4","6","4","4","7","2","1") = "6"
    & skf21("5","4","6","4","4","7","3","1") = "6"
    & skf21("5","4","6","4","4","7","4","1") = "6"
    & skf21("5","4","6","4","4","7","5","1") = "6"
    & skf21("5","4","6","4","4","7","6","1") = "6"
    & skf21("5","4","6","4","4","7","7","1") = "6"
    & skf21("5","4","6","4","5","1","1","1") = "5"
    & skf21("5","4","6","4","5","1","2","1") = "5"
    & skf21("5","4","6","4","5","1","3","1") = "5"
    & skf21("5","4","6","4","5","1","4","1") = "5"
    & skf21("5","4","6","4","5","1","5","1") = "5"
    & skf21("5","4","6","4","5","1","6","1") = "5"
    & skf21("5","4","6","4","5","1","7","1") = "6"
    & skf21("5","4","6","4","5","2","1","1") = "5"
    & skf21("5","4","6","4","5","2","2","1") = "5"
    & skf21("5","4","6","4","5","2","3","1") = "5"
    & skf21("5","4","6","4","5","2","4","1") = "5"
    & skf21("5","4","6","4","5","2","5","1") = "5"
    & skf21("5","4","6","4","5","2","6","1") = "5"
    & skf21("5","4","6","4","5","2","7","1") = "6"
    & skf21("5","4","6","4","5","3","1","1") = "5"
    & skf21("5","4","6","4","5","3","2","1") = "5"
    & skf21("5","4","6","4","5","3","3","1") = "5"
    & skf21("5","4","6","4","5","3","4","1") = "5"
    & skf21("5","4","6","4","5","3","5","1") = "5"
    & skf21("5","4","6","4","5","3","6","1") = "5"
    & skf21("5","4","6","4","5","3","7","1") = "6"
    & skf21("5","4","6","4","5","4","1","1") = "5"
    & skf21("5","4","6","4","5","4","2","1") = "5"
    & skf21("5","4","6","4","5","4","3","1") = "5"
    & skf21("5","4","6","4","5","4","4","1") = "5"
    & skf21("5","4","6","4","5","4","5","1") = "5"
    & skf21("5","4","6","4","5","4","6","1") = "5"
    & skf21("5","4","6","4","5","4","7","1") = "6"
    & skf21("5","4","6","4","5","5","1","1") = "5"
    & skf21("5","4","6","4","5","5","2","1") = "5"
    & skf21("5","4","6","4","5","5","3","1") = "5"
    & skf21("5","4","6","4","5","5","4","1") = "5"
    & skf21("5","4","6","4","5","5","5","1") = "5"
    & skf21("5","4","6","4","5","5","6","1") = "5"
    & skf21("5","4","6","4","5","5","7","1") = "6"
    & skf21("5","4","6","4","5","6","1","1") = "5"
    & skf21("5","4","6","4","5","6","2","1") = "5"
    & skf21("5","4","6","4","5","6","3","1") = "5"
    & skf21("5","4","6","4","5","6","4","1") = "5"
    & skf21("5","4","6","4","5","6","5","1") = "5"
    & skf21("5","4","6","4","5","6","6","1") = "5"
    & skf21("5","4","6","4","5","6","7","1") = "6"
    & skf21("5","4","6","4","5","7","1","1") = "6"
    & skf21("5","4","6","4","5","7","2","1") = "6"
    & skf21("5","4","6","4","5","7","3","1") = "6"
    & skf21("5","4","6","4","5","7","4","1") = "6"
    & skf21("5","4","6","4","5","7","5","1") = "6"
    & skf21("5","4","6","4","5","7","6","1") = "6"
    & skf21("5","4","6","4","5","7","7","1") = "6"
    & skf21("5","4","6","4","6","1","1","1") = "5"
    & skf21("5","4","6","4","6","1","2","1") = "5"
    & skf21("5","4","6","4","6","1","3","1") = "5"
    & skf21("5","4","6","4","6","1","4","1") = "5"
    & skf21("5","4","6","4","6","1","5","1") = "5"
    & skf21("5","4","6","4","6","1","6","1") = "5"
    & skf21("5","4","6","4","6","1","7","1") = "6"
    & skf21("5","4","6","4","6","2","1","1") = "5"
    & skf21("5","4","6","4","6","2","2","1") = "5"
    & skf21("5","4","6","4","6","2","3","1") = "5"
    & skf21("5","4","6","4","6","2","4","1") = "5"
    & skf21("5","4","6","4","6","2","5","1") = "5"
    & skf21("5","4","6","4","6","2","6","1") = "5"
    & skf21("5","4","6","4","6","2","7","1") = "6"
    & skf21("5","4","6","4","6","3","1","1") = "5"
    & skf21("5","4","6","4","6","3","2","1") = "5"
    & skf21("5","4","6","4","6","3","3","1") = "5"
    & skf21("5","4","6","4","6","3","4","1") = "5"
    & skf21("5","4","6","4","6","3","5","1") = "5"
    & skf21("5","4","6","4","6","3","6","1") = "5"
    & skf21("5","4","6","4","6","3","7","1") = "6"
    & skf21("5","4","6","4","6","4","1","1") = "5"
    & skf21("5","4","6","4","6","4","2","1") = "5"
    & skf21("5","4","6","4","6","4","3","1") = "5"
    & skf21("5","4","6","4","6","4","4","1") = "5"
    & skf21("5","4","6","4","6","4","5","1") = "5"
    & skf21("5","4","6","4","6","4","6","1") = "5"
    & skf21("5","4","6","4","6","4","7","1") = "6"
    & skf21("5","4","6","4","6","5","1","1") = "5"
    & skf21("5","4","6","4","6","5","2","1") = "5"
    & skf21("5","4","6","4","6","5","3","1") = "5"
    & skf21("5","4","6","4","6","5","4","1") = "5"
    & skf21("5","4","6","4","6","5","5","1") = "5"
    & skf21("5","4","6","4","6","5","6","1") = "5"
    & skf21("5","4","6","4","6","5","7","1") = "6"
    & skf21("5","4","6","4","6","6","1","1") = "5"
    & skf21("5","4","6","4","6","6","2","1") = "5"
    & skf21("5","4","6","4","6","6","3","1") = "5"
    & skf21("5","4","6","4","6","6","4","1") = "5"
    & skf21("5","4","6","4","6","6","5","1") = "5"
    & skf21("5","4","6","4","6","6","6","1") = "5"
    & skf21("5","4","6","4","6","6","7","1") = "6"
    & skf21("5","4","6","4","6","7","1","1") = "6"
    & skf21("5","4","6","4","6","7","2","1") = "6"
    & skf21("5","4","6","4","6","7","3","1") = "6"
    & skf21("5","4","6","4","6","7","4","1") = "6"
    & skf21("5","4","6","4","6","7","5","1") = "6"
    & skf21("5","4","6","4","6","7","6","1") = "6"
    & skf21("5","4","6","4","6","7","7","1") = "6"
    & skf21("5","4","6","4","7","1","1","1") = "6"
    & skf21("5","4","6","4","7","1","2","1") = "6"
    & skf21("5","4","6","4","7","1","3","1") = "6"
    & skf21("5","4","6","4","7","1","4","1") = "6"
    & skf21("5","4","6","4","7","1","5","1") = "6"
    & skf21("5","4","6","4","7","1","6","1") = "6"
    & skf21("5","4","6","4","7","1","7","1") = "6"
    & skf21("5","4","6","4","7","2","1","1") = "6"
    & skf21("5","4","6","4","7","2","2","1") = "6"
    & skf21("5","4","6","4","7","2","3","1") = "6"
    & skf21("5","4","6","4","7","2","4","1") = "6"
    & skf21("5","4","6","4","7","2","5","1") = "6"
    & skf21("5","4","6","4","7","2","6","1") = "6"
    & skf21("5","4","6","4","7","2","7","1") = "6"
    & skf21("5","4","6","4","7","3","1","1") = "6"
    & skf21("5","4","6","4","7","3","2","1") = "6"
    & skf21("5","4","6","4","7","3","3","1") = "6"
    & skf21("5","4","6","4","7","3","4","1") = "6"
    & skf21("5","4","6","4","7","3","5","1") = "6"
    & skf21("5","4","6","4","7","3","6","1") = "6"
    & skf21("5","4","6","4","7","3","7","1") = "6"
    & skf21("5","4","6","4","7","4","1","1") = "6"
    & skf21("5","4","6","4","7","4","2","1") = "6"
    & skf21("5","4","6","4","7","4","3","1") = "6"
    & skf21("5","4","6","4","7","4","4","1") = "6"
    & skf21("5","4","6","4","7","4","5","1") = "6"
    & skf21("5","4","6","4","7","4","6","1") = "6"
    & skf21("5","4","6","4","7","4","7","1") = "6"
    & skf21("5","4","6","4","7","5","1","1") = "6"
    & skf21("5","4","6","4","7","5","2","1") = "6"
    & skf21("5","4","6","4","7","5","3","1") = "6"
    & skf21("5","4","6","4","7","5","4","1") = "6"
    & skf21("5","4","6","4","7","5","5","1") = "6"
    & skf21("5","4","6","4","7","5","6","1") = "6"
    & skf21("5","4","6","4","7","5","7","1") = "6"
    & skf21("5","4","6","4","7","6","1","1") = "6"
    & skf21("5","4","6","4","7","6","2","1") = "6"
    & skf21("5","4","6","4","7","6","3","1") = "6"
    & skf21("5","4","6","4","7","6","4","1") = "6"
    & skf21("5","4","6","4","7","6","5","1") = "6"
    & skf21("5","4","6","4","7","6","6","1") = "6"
    & skf21("5","4","6","4","7","6","7","1") = "6"
    & skf21("5","4","6","4","7","7","1","1") = "6"
    & skf21("5","4","6","4","7","7","2","1") = "6"
    & skf21("5","4","6","4","7","7","3","1") = "6"
    & skf21("5","4","6","4","7","7","4","1") = "6"
    & skf21("5","4","6","4","7","7","5","1") = "6"
    & skf21("5","4","6","4","7","7","6","1") = "6"
    & skf21("5","4","6","4","7","7","7","1") = "6"
    & skf21("5","4","6","5","1","1","1","1") = "5"
    & skf21("5","4","6","5","1","1","2","1") = "5"
    & skf21("5","4","6","5","1","1","3","1") = "5"
    & skf21("5","4","6","5","1","1","4","1") = "5"
    & skf21("5","4","6","5","1","1","5","1") = "5"
    & skf21("5","4","6","5","1","1","6","1") = "5"
    & skf21("5","4","6","5","1","1","7","1") = "6"
    & skf21("5","4","6","5","1","2","1","1") = "5"
    & skf21("5","4","6","5","1","2","2","1") = "5"
    & skf21("5","4","6","5","1","2","3","1") = "5"
    & skf21("5","4","6","5","1","2","4","1") = "5"
    & skf21("5","4","6","5","1","2","5","1") = "5"
    & skf21("5","4","6","5","1","2","6","1") = "5"
    & skf21("5","4","6","5","1","2","7","1") = "6"
    & skf21("5","4","6","5","1","3","1","1") = "5"
    & skf21("5","4","6","5","1","3","2","1") = "5"
    & skf21("5","4","6","5","1","3","3","1") = "5"
    & skf21("5","4","6","5","1","3","4","1") = "5"
    & skf21("5","4","6","5","1","3","5","1") = "5"
    & skf21("5","4","6","5","1","3","6","1") = "5"
    & skf21("5","4","6","5","1","3","7","1") = "6"
    & skf21("5","4","6","5","1","4","1","1") = "5"
    & skf21("5","4","6","5","1","4","2","1") = "5"
    & skf21("5","4","6","5","1","4","3","1") = "5"
    & skf21("5","4","6","5","1","4","4","1") = "5"
    & skf21("5","4","6","5","1","4","5","1") = "5"
    & skf21("5","4","6","5","1","4","6","1") = "5"
    & skf21("5","4","6","5","1","4","7","1") = "6"
    & skf21("5","4","6","5","1","5","1","1") = "5"
    & skf21("5","4","6","5","1","5","2","1") = "5"
    & skf21("5","4","6","5","1","5","3","1") = "5"
    & skf21("5","4","6","5","1","5","4","1") = "5"
    & skf21("5","4","6","5","1","5","5","1") = "5"
    & skf21("5","4","6","5","1","5","6","1") = "5"
    & skf21("5","4","6","5","1","5","7","1") = "6"
    & skf21("5","4","6","5","1","6","1","1") = "5"
    & skf21("5","4","6","5","1","6","2","1") = "5"
    & skf21("5","4","6","5","1","6","3","1") = "5"
    & skf21("5","4","6","5","1","6","4","1") = "5"
    & skf21("5","4","6","5","1","6","5","1") = "5"
    & skf21("5","4","6","5","1","6","6","1") = "5"
    & skf21("5","4","6","5","1","6","7","1") = "6"
    & skf21("5","4","6","5","1","7","1","1") = "6"
    & skf21("5","4","6","5","1","7","2","1") = "6"
    & skf21("5","4","6","5","1","7","3","1") = "6"
    & skf21("5","4","6","5","1","7","4","1") = "6"
    & skf21("5","4","6","5","1","7","5","1") = "6"
    & skf21("5","4","6","5","1","7","6","1") = "6"
    & skf21("5","4","6","5","1","7","7","1") = "6"
    & skf21("5","4","6","5","2","1","1","1") = "5"
    & skf21("5","4","6","5","2","1","2","1") = "5"
    & skf21("5","4","6","5","2","1","3","1") = "5"
    & skf21("5","4","6","5","2","1","4","1") = "5"
    & skf21("5","4","6","5","2","1","5","1") = "5"
    & skf21("5","4","6","5","2","1","6","1") = "5"
    & skf21("5","4","6","5","2","1","7","1") = "6"
    & skf21("5","4","6","5","2","2","1","1") = "5"
    & skf21("5","4","6","5","2","2","2","1") = "5"
    & skf21("5","4","6","5","2","2","3","1") = "5"
    & skf21("5","4","6","5","2","2","4","1") = "5"
    & skf21("5","4","6","5","2","2","5","1") = "5"
    & skf21("5","4","6","5","2","2","6","1") = "5"
    & skf21("5","4","6","5","2","2","7","1") = "6"
    & skf21("5","4","6","5","2","3","1","1") = "5"
    & skf21("5","4","6","5","2","3","2","1") = "5"
    & skf21("5","4","6","5","2","3","3","1") = "5"
    & skf21("5","4","6","5","2","3","4","1") = "5"
    & skf21("5","4","6","5","2","3","5","1") = "5"
    & skf21("5","4","6","5","2","3","6","1") = "5"
    & skf21("5","4","6","5","2","3","7","1") = "6"
    & skf21("5","4","6","5","2","4","1","1") = "5"
    & skf21("5","4","6","5","2","4","2","1") = "5"
    & skf21("5","4","6","5","2","4","3","1") = "5"
    & skf21("5","4","6","5","2","4","4","1") = "5"
    & skf21("5","4","6","5","2","4","5","1") = "5"
    & skf21("5","4","6","5","2","4","6","1") = "5"
    & skf21("5","4","6","5","2","4","7","1") = "6"
    & skf21("5","4","6","5","2","5","1","1") = "5"
    & skf21("5","4","6","5","2","5","2","1") = "5"
    & skf21("5","4","6","5","2","5","3","1") = "5"
    & skf21("5","4","6","5","2","5","4","1") = "5"
    & skf21("5","4","6","5","2","5","5","1") = "5"
    & skf21("5","4","6","5","2","5","6","1") = "5"
    & skf21("5","4","6","5","2","5","7","1") = "6"
    & skf21("5","4","6","5","2","6","1","1") = "5"
    & skf21("5","4","6","5","2","6","2","1") = "5"
    & skf21("5","4","6","5","2","6","3","1") = "5"
    & skf21("5","4","6","5","2","6","4","1") = "5"
    & skf21("5","4","6","5","2","6","5","1") = "5"
    & skf21("5","4","6","5","2","6","6","1") = "5"
    & skf21("5","4","6","5","2","6","7","1") = "6"
    & skf21("5","4","6","5","2","7","1","1") = "6"
    & skf21("5","4","6","5","2","7","2","1") = "6"
    & skf21("5","4","6","5","2","7","3","1") = "6"
    & skf21("5","4","6","5","2","7","4","1") = "6"
    & skf21("5","4","6","5","2","7","5","1") = "6"
    & skf21("5","4","6","5","2","7","6","1") = "6"
    & skf21("5","4","6","5","2","7","7","1") = "6"
    & skf21("5","4","6","5","3","1","1","1") = "5"
    & skf21("5","4","6","5","3","1","2","1") = "5"
    & skf21("5","4","6","5","3","1","3","1") = "5"
    & skf21("5","4","6","5","3","1","4","1") = "5"
    & skf21("5","4","6","5","3","1","5","1") = "5"
    & skf21("5","4","6","5","3","1","6","1") = "5"
    & skf21("5","4","6","5","3","1","7","1") = "6"
    & skf21("5","4","6","5","3","2","1","1") = "5"
    & skf21("5","4","6","5","3","2","2","1") = "5"
    & skf21("5","4","6","5","3","2","3","1") = "5"
    & skf21("5","4","6","5","3","2","4","1") = "5"
    & skf21("5","4","6","5","3","2","5","1") = "5"
    & skf21("5","4","6","5","3","2","6","1") = "5"
    & skf21("5","4","6","5","3","2","7","1") = "6"
    & skf21("5","4","6","5","3","3","1","1") = "5"
    & skf21("5","4","6","5","3","3","2","1") = "5"
    & skf21("5","4","6","5","3","3","3","1") = "5"
    & skf21("5","4","6","5","3","3","4","1") = "5"
    & skf21("5","4","6","5","3","3","5","1") = "5"
    & skf21("5","4","6","5","3","3","6","1") = "5"
    & skf21("5","4","6","5","3","3","7","1") = "6"
    & skf21("5","4","6","5","3","4","1","1") = "5"
    & skf21("5","4","6","5","3","4","2","1") = "5"
    & skf21("5","4","6","5","3","4","3","1") = "5"
    & skf21("5","4","6","5","3","4","4","1") = "5"
    & skf21("5","4","6","5","3","4","5","1") = "5"
    & skf21("5","4","6","5","3","4","6","1") = "5"
    & skf21("5","4","6","5","3","4","7","1") = "6"
    & skf21("5","4","6","5","3","5","1","1") = "5"
    & skf21("5","4","6","5","3","5","2","1") = "5"
    & skf21("5","4","6","5","3","5","3","1") = "5"
    & skf21("5","4","6","5","3","5","4","1") = "5"
    & skf21("5","4","6","5","3","5","5","1") = "5"
    & skf21("5","4","6","5","3","5","6","1") = "5"
    & skf21("5","4","6","5","3","5","7","1") = "6"
    & skf21("5","4","6","5","3","6","1","1") = "5"
    & skf21("5","4","6","5","3","6","2","1") = "5"
    & skf21("5","4","6","5","3","6","3","1") = "5"
    & skf21("5","4","6","5","3","6","4","1") = "5"
    & skf21("5","4","6","5","3","6","5","1") = "5"
    & skf21("5","4","6","5","3","6","6","1") = "5"
    & skf21("5","4","6","5","3","6","7","1") = "6"
    & skf21("5","4","6","5","3","7","1","1") = "6"
    & skf21("5","4","6","5","3","7","2","1") = "6"
    & skf21("5","4","6","5","3","7","3","1") = "6"
    & skf21("5","4","6","5","3","7","4","1") = "6"
    & skf21("5","4","6","5","3","7","5","1") = "6"
    & skf21("5","4","6","5","3","7","6","1") = "6"
    & skf21("5","4","6","5","3","7","7","1") = "6"
    & skf21("5","4","6","5","4","1","1","1") = "5"
    & skf21("5","4","6","5","4","1","2","1") = "5"
    & skf21("5","4","6","5","4","1","3","1") = "5"
    & skf21("5","4","6","5","4","1","4","1") = "5"
    & skf21("5","4","6","5","4","1","5","1") = "5"
    & skf21("5","4","6","5","4","1","6","1") = "5"
    & skf21("5","4","6","5","4","1","7","1") = "6"
    & skf21("5","4","6","5","4","2","1","1") = "5"
    & skf21("5","4","6","5","4","2","2","1") = "5"
    & skf21("5","4","6","5","4","2","3","1") = "5"
    & skf21("5","4","6","5","4","2","4","1") = "5"
    & skf21("5","4","6","5","4","2","5","1") = "5"
    & skf21("5","4","6","5","4","2","6","1") = "5"
    & skf21("5","4","6","5","4","2","7","1") = "6"
    & skf21("5","4","6","5","4","3","1","1") = "5"
    & skf21("5","4","6","5","4","3","2","1") = "5"
    & skf21("5","4","6","5","4","3","3","1") = "5"
    & skf21("5","4","6","5","4","3","4","1") = "5"
    & skf21("5","4","6","5","4","3","5","1") = "5"
    & skf21("5","4","6","5","4","3","6","1") = "5"
    & skf21("5","4","6","5","4","3","7","1") = "6"
    & skf21("5","4","6","5","4","4","1","1") = "5"
    & skf21("5","4","6","5","4","4","2","1") = "5"
    & skf21("5","4","6","5","4","4","3","1") = "5"
    & skf21("5","4","6","5","4","4","4","1") = "5"
    & skf21("5","4","6","5","4","4","5","1") = "5"
    & skf21("5","4","6","5","4","4","6","1") = "5"
    & skf21("5","4","6","5","4","4","7","1") = "6"
    & skf21("5","4","6","5","4","5","1","1") = "5"
    & skf21("5","4","6","5","4","5","2","1") = "5"
    & skf21("5","4","6","5","4","5","3","1") = "5"
    & skf21("5","4","6","5","4","5","4","1") = "5"
    & skf21("5","4","6","5","4","5","5","1") = "5"
    & skf21("5","4","6","5","4","5","6","1") = "5"
    & skf21("5","4","6","5","4","5","7","1") = "6"
    & skf21("5","4","6","5","4","6","1","1") = "5"
    & skf21("5","4","6","5","4","6","2","1") = "5"
    & skf21("5","4","6","5","4","6","3","1") = "5"
    & skf21("5","4","6","5","4","6","4","1") = "5"
    & skf21("5","4","6","5","4","6","5","1") = "5"
    & skf21("5","4","6","5","4","6","6","1") = "5"
    & skf21("5","4","6","5","4","6","7","1") = "6"
    & skf21("5","4","6","5","4","7","1","1") = "6"
    & skf21("5","4","6","5","4","7","2","1") = "6"
    & skf21("5","4","6","5","4","7","3","1") = "6"
    & skf21("5","4","6","5","4","7","4","1") = "6"
    & skf21("5","4","6","5","4","7","5","1") = "6"
    & skf21("5","4","6","5","4","7","6","1") = "6"
    & skf21("5","4","6","5","4","7","7","1") = "6"
    & skf21("5","4","6","5","5","1","1","1") = "5"
    & skf21("5","4","6","5","5","1","2","1") = "5"
    & skf21("5","4","6","5","5","1","3","1") = "5"
    & skf21("5","4","6","5","5","1","4","1") = "5"
    & skf21("5","4","6","5","5","1","5","1") = "5"
    & skf21("5","4","6","5","5","1","6","1") = "5"
    & skf21("5","4","6","5","5","1","7","1") = "6"
    & skf21("5","4","6","5","5","2","1","1") = "5"
    & skf21("5","4","6","5","5","2","2","1") = "5"
    & skf21("5","4","6","5","5","2","3","1") = "5"
    & skf21("5","4","6","5","5","2","4","1") = "5"
    & skf21("5","4","6","5","5","2","5","1") = "5"
    & skf21("5","4","6","5","5","2","6","1") = "5"
    & skf21("5","4","6","5","5","2","7","1") = "6"
    & skf21("5","4","6","5","5","3","1","1") = "5"
    & skf21("5","4","6","5","5","3","2","1") = "5"
    & skf21("5","4","6","5","5","3","3","1") = "5"
    & skf21("5","4","6","5","5","3","4","1") = "5"
    & skf21("5","4","6","5","5","3","5","1") = "5"
    & skf21("5","4","6","5","5","3","6","1") = "5"
    & skf21("5","4","6","5","5","3","7","1") = "6"
    & skf21("5","4","6","5","5","4","1","1") = "5"
    & skf21("5","4","6","5","5","4","2","1") = "5"
    & skf21("5","4","6","5","5","4","3","1") = "5"
    & skf21("5","4","6","5","5","4","4","1") = "5"
    & skf21("5","4","6","5","5","4","5","1") = "5"
    & skf21("5","4","6","5","5","4","6","1") = "5"
    & skf21("5","4","6","5","5","4","7","1") = "6"
    & skf21("5","4","6","5","5","5","1","1") = "5"
    & skf21("5","4","6","5","5","5","2","1") = "5"
    & skf21("5","4","6","5","5","5","3","1") = "5"
    & skf21("5","4","6","5","5","5","4","1") = "5"
    & skf21("5","4","6","5","5","5","5","1") = "5"
    & skf21("5","4","6","5","5","5","6","1") = "5"
    & skf21("5","4","6","5","5","5","7","1") = "6"
    & skf21("5","4","6","5","5","6","1","1") = "5"
    & skf21("5","4","6","5","5","6","2","1") = "5"
    & skf21("5","4","6","5","5","6","3","1") = "5"
    & skf21("5","4","6","5","5","6","4","1") = "5"
    & skf21("5","4","6","5","5","6","5","1") = "5"
    & skf21("5","4","6","5","5","6","6","1") = "5"
    & skf21("5","4","6","5","5","6","7","1") = "6"
    & skf21("5","4","6","5","5","7","1","1") = "6"
    & skf21("5","4","6","5","5","7","2","1") = "6"
    & skf21("5","4","6","5","5","7","3","1") = "6"
    & skf21("5","4","6","5","5","7","4","1") = "6"
    & skf21("5","4","6","5","5","7","5","1") = "6"
    & skf21("5","4","6","5","5","7","6","1") = "6"
    & skf21("5","4","6","5","5","7","7","1") = "6"
    & skf21("5","4","6","5","6","1","1","1") = "5"
    & skf21("5","4","6","5","6","1","2","1") = "5"
    & skf21("5","4","6","5","6","1","3","1") = "5"
    & skf21("5","4","6","5","6","1","4","1") = "5"
    & skf21("5","4","6","5","6","1","5","1") = "5"
    & skf21("5","4","6","5","6","1","6","1") = "5"
    & skf21("5","4","6","5","6","1","7","1") = "6"
    & skf21("5","4","6","5","6","2","1","1") = "5"
    & skf21("5","4","6","5","6","2","2","1") = "5"
    & skf21("5","4","6","5","6","2","3","1") = "5"
    & skf21("5","4","6","5","6","2","4","1") = "5"
    & skf21("5","4","6","5","6","2","5","1") = "5"
    & skf21("5","4","6","5","6","2","6","1") = "5"
    & skf21("5","4","6","5","6","2","7","1") = "6"
    & skf21("5","4","6","5","6","3","1","1") = "5"
    & skf21("5","4","6","5","6","3","2","1") = "5"
    & skf21("5","4","6","5","6","3","3","1") = "5"
    & skf21("5","4","6","5","6","3","4","1") = "5"
    & skf21("5","4","6","5","6","3","5","1") = "5"
    & skf21("5","4","6","5","6","3","6","1") = "5"
    & skf21("5","4","6","5","6","3","7","1") = "6"
    & skf21("5","4","6","5","6","4","1","1") = "5"
    & skf21("5","4","6","5","6","4","2","1") = "5"
    & skf21("5","4","6","5","6","4","3","1") = "5"
    & skf21("5","4","6","5","6","4","4","1") = "5"
    & skf21("5","4","6","5","6","4","5","1") = "5"
    & skf21("5","4","6","5","6","4","6","1") = "5"
    & skf21("5","4","6","5","6","4","7","1") = "6"
    & skf21("5","4","6","5","6","5","1","1") = "5"
    & skf21("5","4","6","5","6","5","2","1") = "5"
    & skf21("5","4","6","5","6","5","3","1") = "5"
    & skf21("5","4","6","5","6","5","4","1") = "5"
    & skf21("5","4","6","5","6","5","5","1") = "5"
    & skf21("5","4","6","5","6","5","6","1") = "5"
    & skf21("5","4","6","5","6","5","7","1") = "6"
    & skf21("5","4","6","5","6","6","1","1") = "5"
    & skf21("5","4","6","5","6","6","2","1") = "5"
    & skf21("5","4","6","5","6","6","3","1") = "5"
    & skf21("5","4","6","5","6","6","4","1") = "5"
    & skf21("5","4","6","5","6","6","5","1") = "5"
    & skf21("5","4","6","5","6","6","6","1") = "5"
    & skf21("5","4","6","5","6","6","7","1") = "6"
    & skf21("5","4","6","5","6","7","1","1") = "6"
    & skf21("5","4","6","5","6","7","2","1") = "6"
    & skf21("5","4","6","5","6","7","3","1") = "6"
    & skf21("5","4","6","5","6","7","4","1") = "6"
    & skf21("5","4","6","5","6","7","5","1") = "6"
    & skf21("5","4","6","5","6","7","6","1") = "6"
    & skf21("5","4","6","5","6","7","7","1") = "6"
    & skf21("5","4","6","5","7","1","1","1") = "6"
    & skf21("5","4","6","5","7","1","2","1") = "6"
    & skf21("5","4","6","5","7","1","3","1") = "6"
    & skf21("5","4","6","5","7","1","4","1") = "6"
    & skf21("5","4","6","5","7","1","5","1") = "6"
    & skf21("5","4","6","5","7","1","6","1") = "6"
    & skf21("5","4","6","5","7","1","7","1") = "6"
    & skf21("5","4","6","5","7","2","1","1") = "6"
    & skf21("5","4","6","5","7","2","2","1") = "6"
    & skf21("5","4","6","5","7","2","3","1") = "6"
    & skf21("5","4","6","5","7","2","4","1") = "6"
    & skf21("5","4","6","5","7","2","5","1") = "6"
    & skf21("5","4","6","5","7","2","6","1") = "6"
    & skf21("5","4","6","5","7","2","7","1") = "6"
    & skf21("5","4","6","5","7","3","1","1") = "6"
    & skf21("5","4","6","5","7","3","2","1") = "6"
    & skf21("5","4","6","5","7","3","3","1") = "6"
    & skf21("5","4","6","5","7","3","4","1") = "6"
    & skf21("5","4","6","5","7","3","5","1") = "6"
    & skf21("5","4","6","5","7","3","6","1") = "6"
    & skf21("5","4","6","5","7","3","7","1") = "6"
    & skf21("5","4","6","5","7","4","1","1") = "6"
    & skf21("5","4","6","5","7","4","2","1") = "6"
    & skf21("5","4","6","5","7","4","3","1") = "6"
    & skf21("5","4","6","5","7","4","4","1") = "6"
    & skf21("5","4","6","5","7","4","5","1") = "6"
    & skf21("5","4","6","5","7","4","6","1") = "6"
    & skf21("5","4","6","5","7","4","7","1") = "6"
    & skf21("5","4","6","5","7","5","1","1") = "6"
    & skf21("5","4","6","5","7","5","2","1") = "6"
    & skf21("5","4","6","5","7","5","3","1") = "6"
    & skf21("5","4","6","5","7","5","4","1") = "6"
    & skf21("5","4","6","5","7","5","5","1") = "6"
    & skf21("5","4","6","5","7","5","6","1") = "6"
    & skf21("5","4","6","5","7","5","7","1") = "6"
    & skf21("5","4","6","5","7","6","1","1") = "6"
    & skf21("5","4","6","5","7","6","2","1") = "6"
    & skf21("5","4","6","5","7","6","3","1") = "6"
    & skf21("5","4","6","5","7","6","4","1") = "6"
    & skf21("5","4","6","5","7","6","5","1") = "6"
    & skf21("5","4","6","5","7","6","6","1") = "6"
    & skf21("5","4","6","5","7","6","7","1") = "6"
    & skf21("5","4","6","5","7","7","1","1") = "6"
    & skf21("5","4","6","5","7","7","2","1") = "6"
    & skf21("5","4","6","5","7","7","3","1") = "6"
    & skf21("5","4","6","5","7","7","4","1") = "6"
    & skf21("5","4","6","5","7","7","5","1") = "6"
    & skf21("5","4","6","5","7","7","6","1") = "6"
    & skf21("5","4","6","5","7","7","7","1") = "6"
    & skf21("5","4","6","6","1","1","1","1") = "5"
    & skf21("5","4","6","6","1","1","2","1") = "5"
    & skf21("5","4","6","6","1","1","3","1") = "5"
    & skf21("5","4","6","6","1","1","4","1") = "5"
    & skf21("5","4","6","6","1","1","5","1") = "5"
    & skf21("5","4","6","6","1","1","6","1") = "5"
    & skf21("5","4","6","6","1","1","7","1") = "6"
    & skf21("5","4","6","6","1","2","1","1") = "5"
    & skf21("5","4","6","6","1","2","2","1") = "5"
    & skf21("5","4","6","6","1","2","3","1") = "5"
    & skf21("5","4","6","6","1","2","4","1") = "5"
    & skf21("5","4","6","6","1","2","5","1") = "5"
    & skf21("5","4","6","6","1","2","6","1") = "5"
    & skf21("5","4","6","6","1","2","7","1") = "6"
    & skf21("5","4","6","6","1","3","1","1") = "5"
    & skf21("5","4","6","6","1","3","2","1") = "5"
    & skf21("5","4","6","6","1","3","3","1") = "5"
    & skf21("5","4","6","6","1","3","4","1") = "5"
    & skf21("5","4","6","6","1","3","5","1") = "5"
    & skf21("5","4","6","6","1","3","6","1") = "5"
    & skf21("5","4","6","6","1","3","7","1") = "6"
    & skf21("5","4","6","6","1","4","1","1") = "5"
    & skf21("5","4","6","6","1","4","2","1") = "5"
    & skf21("5","4","6","6","1","4","3","1") = "5"
    & skf21("5","4","6","6","1","4","4","1") = "5"
    & skf21("5","4","6","6","1","4","5","1") = "5"
    & skf21("5","4","6","6","1","4","6","1") = "5"
    & skf21("5","4","6","6","1","4","7","1") = "6"
    & skf21("5","4","6","6","1","5","1","1") = "5"
    & skf21("5","4","6","6","1","5","2","1") = "5"
    & skf21("5","4","6","6","1","5","3","1") = "5"
    & skf21("5","4","6","6","1","5","4","1") = "5"
    & skf21("5","4","6","6","1","5","5","1") = "5"
    & skf21("5","4","6","6","1","5","6","1") = "5"
    & skf21("5","4","6","6","1","5","7","1") = "6"
    & skf21("5","4","6","6","1","6","1","1") = "5"
    & skf21("5","4","6","6","1","6","2","1") = "5"
    & skf21("5","4","6","6","1","6","3","1") = "5"
    & skf21("5","4","6","6","1","6","4","1") = "5"
    & skf21("5","4","6","6","1","6","5","1") = "5"
    & skf21("5","4","6","6","1","6","6","1") = "5"
    & skf21("5","4","6","6","1","6","7","1") = "6"
    & skf21("5","4","6","6","1","7","1","1") = "6"
    & skf21("5","4","6","6","1","7","2","1") = "6"
    & skf21("5","4","6","6","1","7","3","1") = "6"
    & skf21("5","4","6","6","1","7","4","1") = "6"
    & skf21("5","4","6","6","1","7","5","1") = "6"
    & skf21("5","4","6","6","1","7","6","1") = "6"
    & skf21("5","4","6","6","1","7","7","1") = "6"
    & skf21("5","4","6","6","2","1","1","1") = "5"
    & skf21("5","4","6","6","2","1","2","1") = "5"
    & skf21("5","4","6","6","2","1","3","1") = "5"
    & skf21("5","4","6","6","2","1","4","1") = "5"
    & skf21("5","4","6","6","2","1","5","1") = "5"
    & skf21("5","4","6","6","2","1","6","1") = "5"
    & skf21("5","4","6","6","2","1","7","1") = "6"
    & skf21("5","4","6","6","2","2","1","1") = "5"
    & skf21("5","4","6","6","2","2","2","1") = "5"
    & skf21("5","4","6","6","2","2","3","1") = "5"
    & skf21("5","4","6","6","2","2","4","1") = "5"
    & skf21("5","4","6","6","2","2","5","1") = "5"
    & skf21("5","4","6","6","2","2","6","1") = "5"
    & skf21("5","4","6","6","2","2","7","1") = "6"
    & skf21("5","4","6","6","2","3","1","1") = "5"
    & skf21("5","4","6","6","2","3","2","1") = "5"
    & skf21("5","4","6","6","2","3","3","1") = "5"
    & skf21("5","4","6","6","2","3","4","1") = "5"
    & skf21("5","4","6","6","2","3","5","1") = "5"
    & skf21("5","4","6","6","2","3","6","1") = "5"
    & skf21("5","4","6","6","2","3","7","1") = "6"
    & skf21("5","4","6","6","2","4","1","1") = "5"
    & skf21("5","4","6","6","2","4","2","1") = "5"
    & skf21("5","4","6","6","2","4","3","1") = "5"
    & skf21("5","4","6","6","2","4","4","1") = "5"
    & skf21("5","4","6","6","2","4","5","1") = "5"
    & skf21("5","4","6","6","2","4","6","1") = "5"
    & skf21("5","4","6","6","2","4","7","1") = "6"
    & skf21("5","4","6","6","2","5","1","1") = "5"
    & skf21("5","4","6","6","2","5","2","1") = "5"
    & skf21("5","4","6","6","2","5","3","1") = "5"
    & skf21("5","4","6","6","2","5","4","1") = "5"
    & skf21("5","4","6","6","2","5","5","1") = "5"
    & skf21("5","4","6","6","2","5","6","1") = "5"
    & skf21("5","4","6","6","2","5","7","1") = "6"
    & skf21("5","4","6","6","2","6","1","1") = "5"
    & skf21("5","4","6","6","2","6","2","1") = "5"
    & skf21("5","4","6","6","2","6","3","1") = "5"
    & skf21("5","4","6","6","2","6","4","1") = "5"
    & skf21("5","4","6","6","2","6","5","1") = "5"
    & skf21("5","4","6","6","2","6","6","1") = "5"
    & skf21("5","4","6","6","2","6","7","1") = "6"
    & skf21("5","4","6","6","2","7","1","1") = "6"
    & skf21("5","4","6","6","2","7","2","1") = "6"
    & skf21("5","4","6","6","2","7","3","1") = "6"
    & skf21("5","4","6","6","2","7","4","1") = "6"
    & skf21("5","4","6","6","2","7","5","1") = "6"
    & skf21("5","4","6","6","2","7","6","1") = "6"
    & skf21("5","4","6","6","2","7","7","1") = "6"
    & skf21("5","4","6","6","3","1","1","1") = "5"
    & skf21("5","4","6","6","3","1","2","1") = "5"
    & skf21("5","4","6","6","3","1","3","1") = "5"
    & skf21("5","4","6","6","3","1","4","1") = "5"
    & skf21("5","4","6","6","3","1","5","1") = "5"
    & skf21("5","4","6","6","3","1","6","1") = "5"
    & skf21("5","4","6","6","3","1","7","1") = "6"
    & skf21("5","4","6","6","3","2","1","1") = "5"
    & skf21("5","4","6","6","3","2","2","1") = "5"
    & skf21("5","4","6","6","3","2","3","1") = "5"
    & skf21("5","4","6","6","3","2","4","1") = "5"
    & skf21("5","4","6","6","3","2","5","1") = "5"
    & skf21("5","4","6","6","3","2","6","1") = "5"
    & skf21("5","4","6","6","3","2","7","1") = "6"
    & skf21("5","4","6","6","3","3","1","1") = "5"
    & skf21("5","4","6","6","3","3","2","1") = "5"
    & skf21("5","4","6","6","3","3","3","1") = "5"
    & skf21("5","4","6","6","3","3","4","1") = "5"
    & skf21("5","4","6","6","3","3","5","1") = "5"
    & skf21("5","4","6","6","3","3","6","1") = "5"
    & skf21("5","4","6","6","3","3","7","1") = "6"
    & skf21("5","4","6","6","3","4","1","1") = "5"
    & skf21("5","4","6","6","3","4","2","1") = "5"
    & skf21("5","4","6","6","3","4","3","1") = "5"
    & skf21("5","4","6","6","3","4","4","1") = "5"
    & skf21("5","4","6","6","3","4","5","1") = "5"
    & skf21("5","4","6","6","3","4","6","1") = "5"
    & skf21("5","4","6","6","3","4","7","1") = "6"
    & skf21("5","4","6","6","3","5","1","1") = "5"
    & skf21("5","4","6","6","3","5","2","1") = "5"
    & skf21("5","4","6","6","3","5","3","1") = "5"
    & skf21("5","4","6","6","3","5","4","1") = "5"
    & skf21("5","4","6","6","3","5","5","1") = "5"
    & skf21("5","4","6","6","3","5","6","1") = "5"
    & skf21("5","4","6","6","3","5","7","1") = "6"
    & skf21("5","4","6","6","3","6","1","1") = "5"
    & skf21("5","4","6","6","3","6","2","1") = "5"
    & skf21("5","4","6","6","3","6","3","1") = "5"
    & skf21("5","4","6","6","3","6","4","1") = "5"
    & skf21("5","4","6","6","3","6","5","1") = "5"
    & skf21("5","4","6","6","3","6","6","1") = "5"
    & skf21("5","4","6","6","3","6","7","1") = "6"
    & skf21("5","4","6","6","3","7","1","1") = "6"
    & skf21("5","4","6","6","3","7","2","1") = "6"
    & skf21("5","4","6","6","3","7","3","1") = "6"
    & skf21("5","4","6","6","3","7","4","1") = "6"
    & skf21("5","4","6","6","3","7","5","1") = "6"
    & skf21("5","4","6","6","3","7","6","1") = "6"
    & skf21("5","4","6","6","3","7","7","1") = "6"
    & skf21("5","4","6","6","4","1","1","1") = "5"
    & skf21("5","4","6","6","4","1","2","1") = "5"
    & skf21("5","4","6","6","4","1","3","1") = "5"
    & skf21("5","4","6","6","4","1","4","1") = "5"
    & skf21("5","4","6","6","4","1","5","1") = "5"
    & skf21("5","4","6","6","4","1","6","1") = "5"
    & skf21("5","4","6","6","4","1","7","1") = "6"
    & skf21("5","4","6","6","4","2","1","1") = "5"
    & skf21("5","4","6","6","4","2","2","1") = "5"
    & skf21("5","4","6","6","4","2","3","1") = "5"
    & skf21("5","4","6","6","4","2","4","1") = "5"
    & skf21("5","4","6","6","4","2","5","1") = "5"
    & skf21("5","4","6","6","4","2","6","1") = "5"
    & skf21("5","4","6","6","4","2","7","1") = "6"
    & skf21("5","4","6","6","4","3","1","1") = "5"
    & skf21("5","4","6","6","4","3","2","1") = "5"
    & skf21("5","4","6","6","4","3","3","1") = "5"
    & skf21("5","4","6","6","4","3","4","1") = "5"
    & skf21("5","4","6","6","4","3","5","1") = "5"
    & skf21("5","4","6","6","4","3","6","1") = "5"
    & skf21("5","4","6","6","4","3","7","1") = "6"
    & skf21("5","4","6","6","4","4","1","1") = "5"
    & skf21("5","4","6","6","4","4","2","1") = "5"
    & skf21("5","4","6","6","4","4","3","1") = "5"
    & skf21("5","4","6","6","4","4","4","1") = "5"
    & skf21("5","4","6","6","4","4","5","1") = "5"
    & skf21("5","4","6","6","4","4","6","1") = "5"
    & skf21("5","4","6","6","4","4","7","1") = "6"
    & skf21("5","4","6","6","4","5","1","1") = "5"
    & skf21("5","4","6","6","4","5","2","1") = "5"
    & skf21("5","4","6","6","4","5","3","1") = "5"
    & skf21("5","4","6","6","4","5","4","1") = "5"
    & skf21("5","4","6","6","4","5","5","1") = "5"
    & skf21("5","4","6","6","4","5","6","1") = "5"
    & skf21("5","4","6","6","4","5","7","1") = "6"
    & skf21("5","4","6","6","4","6","1","1") = "5"
    & skf21("5","4","6","6","4","6","2","1") = "5"
    & skf21("5","4","6","6","4","6","3","1") = "5"
    & skf21("5","4","6","6","4","6","4","1") = "5"
    & skf21("5","4","6","6","4","6","5","1") = "5"
    & skf21("5","4","6","6","4","6","6","1") = "5"
    & skf21("5","4","6","6","4","6","7","1") = "6"
    & skf21("5","4","6","6","4","7","1","1") = "6"
    & skf21("5","4","6","6","4","7","2","1") = "6"
    & skf21("5","4","6","6","4","7","3","1") = "6"
    & skf21("5","4","6","6","4","7","4","1") = "6"
    & skf21("5","4","6","6","4","7","5","1") = "6"
    & skf21("5","4","6","6","4","7","6","1") = "6"
    & skf21("5","4","6","6","4","7","7","1") = "6"
    & skf21("5","4","6","6","5","1","1","1") = "5"
    & skf21("5","4","6","6","5","1","2","1") = "5"
    & skf21("5","4","6","6","5","1","3","1") = "5"
    & skf21("5","4","6","6","5","1","4","1") = "5"
    & skf21("5","4","6","6","5","1","5","1") = "5"
    & skf21("5","4","6","6","5","1","6","1") = "5"
    & skf21("5","4","6","6","5","1","7","1") = "6"
    & skf21("5","4","6","6","5","2","1","1") = "5"
    & skf21("5","4","6","6","5","2","2","1") = "5"
    & skf21("5","4","6","6","5","2","3","1") = "5"
    & skf21("5","4","6","6","5","2","4","1") = "5"
    & skf21("5","4","6","6","5","2","5","1") = "5"
    & skf21("5","4","6","6","5","2","6","1") = "5"
    & skf21("5","4","6","6","5","2","7","1") = "6"
    & skf21("5","4","6","6","5","3","1","1") = "5"
    & skf21("5","4","6","6","5","3","2","1") = "5"
    & skf21("5","4","6","6","5","3","3","1") = "5"
    & skf21("5","4","6","6","5","3","4","1") = "5"
    & skf21("5","4","6","6","5","3","5","1") = "5"
    & skf21("5","4","6","6","5","3","6","1") = "5"
    & skf21("5","4","6","6","5","3","7","1") = "6"
    & skf21("5","4","6","6","5","4","1","1") = "5"
    & skf21("5","4","6","6","5","4","2","1") = "5"
    & skf21("5","4","6","6","5","4","3","1") = "5"
    & skf21("5","4","6","6","5","4","4","1") = "5"
    & skf21("5","4","6","6","5","4","5","1") = "5"
    & skf21("5","4","6","6","5","4","6","1") = "5"
    & skf21("5","4","6","6","5","4","7","1") = "6"
    & skf21("5","4","6","6","5","5","1","1") = "5"
    & skf21("5","4","6","6","5","5","2","1") = "5"
    & skf21("5","4","6","6","5","5","3","1") = "5"
    & skf21("5","4","6","6","5","5","4","1") = "5"
    & skf21("5","4","6","6","5","5","5","1") = "5"
    & skf21("5","4","6","6","5","5","6","1") = "5"
    & skf21("5","4","6","6","5","5","7","1") = "6"
    & skf21("5","4","6","6","5","6","1","1") = "5"
    & skf21("5","4","6","6","5","6","2","1") = "5"
    & skf21("5","4","6","6","5","6","3","1") = "5"
    & skf21("5","4","6","6","5","6","4","1") = "5"
    & skf21("5","4","6","6","5","6","5","1") = "5"
    & skf21("5","4","6","6","5","6","6","1") = "5"
    & skf21("5","4","6","6","5","6","7","1") = "6"
    & skf21("5","4","6","6","5","7","1","1") = "6"
    & skf21("5","4","6","6","5","7","2","1") = "6"
    & skf21("5","4","6","6","5","7","3","1") = "6"
    & skf21("5","4","6","6","5","7","4","1") = "6"
    & skf21("5","4","6","6","5","7","5","1") = "6"
    & skf21("5","4","6","6","5","7","6","1") = "6"
    & skf21("5","4","6","6","5","7","7","1") = "6"
    & skf21("5","4","6","6","6","1","1","1") = "5"
    & skf21("5","4","6","6","6","1","2","1") = "5"
    & skf21("5","4","6","6","6","1","3","1") = "5"
    & skf21("5","4","6","6","6","1","4","1") = "5"
    & skf21("5","4","6","6","6","1","5","1") = "5"
    & skf21("5","4","6","6","6","1","6","1") = "5"
    & skf21("5","4","6","6","6","1","7","1") = "6"
    & skf21("5","4","6","6","6","2","1","1") = "5"
    & skf21("5","4","6","6","6","2","2","1") = "5"
    & skf21("5","4","6","6","6","2","3","1") = "5"
    & skf21("5","4","6","6","6","2","4","1") = "5"
    & skf21("5","4","6","6","6","2","5","1") = "5"
    & skf21("5","4","6","6","6","2","6","1") = "5"
    & skf21("5","4","6","6","6","2","7","1") = "6"
    & skf21("5","4","6","6","6","3","1","1") = "5"
    & skf21("5","4","6","6","6","3","2","1") = "5"
    & skf21("5","4","6","6","6","3","3","1") = "5"
    & skf21("5","4","6","6","6","3","4","1") = "5"
    & skf21("5","4","6","6","6","3","5","1") = "5"
    & skf21("5","4","6","6","6","3","6","1") = "5"
    & skf21("5","4","6","6","6","3","7","1") = "6"
    & skf21("5","4","6","6","6","4","1","1") = "5"
    & skf21("5","4","6","6","6","4","2","1") = "5"
    & skf21("5","4","6","6","6","4","3","1") = "5"
    & skf21("5","4","6","6","6","4","4","1") = "5"
    & skf21("5","4","6","6","6","4","5","1") = "5"
    & skf21("5","4","6","6","6","4","6","1") = "5"
    & skf21("5","4","6","6","6","4","7","1") = "6"
    & skf21("5","4","6","6","6","5","1","1") = "5"
    & skf21("5","4","6","6","6","5","2","1") = "5"
    & skf21("5","4","6","6","6","5","3","1") = "5"
    & skf21("5","4","6","6","6","5","4","1") = "5"
    & skf21("5","4","6","6","6","5","5","1") = "5"
    & skf21("5","4","6","6","6","5","6","1") = "5"
    & skf21("5","4","6","6","6","5","7","1") = "6"
    & skf21("5","4","6","6","6","6","1","1") = "5"
    & skf21("5","4","6","6","6","6","2","1") = "5"
    & skf21("5","4","6","6","6","6","3","1") = "5"
    & skf21("5","4","6","6","6","6","4","1") = "5"
    & skf21("5","4","6","6","6","6","5","1") = "5"
    & skf21("5","4","6","6","6","6","6","1") = "5"
    & skf21("5","4","6","6","6","6","7","1") = "6"
    & skf21("5","4","6","6","6","7","1","1") = "6"
    & skf21("5","4","6","6","6","7","2","1") = "6"
    & skf21("5","4","6","6","6","7","3","1") = "6"
    & skf21("5","4","6","6","6","7","4","1") = "6"
    & skf21("5","4","6","6","6","7","5","1") = "6"
    & skf21("5","4","6","6","6","7","6","1") = "6"
    & skf21("5","4","6","6","6","7","7","1") = "6"
    & skf21("5","4","6","6","7","1","1","1") = "6"
    & skf21("5","4","6","6","7","1","2","1") = "6"
    & skf21("5","4","6","6","7","1","3","1") = "6"
    & skf21("5","4","6","6","7","1","4","1") = "6"
    & skf21("5","4","6","6","7","1","5","1") = "6"
    & skf21("5","4","6","6","7","1","6","1") = "6"
    & skf21("5","4","6","6","7","1","7","1") = "6"
    & skf21("5","4","6","6","7","2","1","1") = "6"
    & skf21("5","4","6","6","7","2","2","1") = "6"
    & skf21("5","4","6","6","7","2","3","1") = "6"
    & skf21("5","4","6","6","7","2","4","1") = "6"
    & skf21("5","4","6","6","7","2","5","1") = "6"
    & skf21("5","4","6","6","7","2","6","1") = "6"
    & skf21("5","4","6","6","7","2","7","1") = "6"
    & skf21("5","4","6","6","7","3","1","1") = "6"
    & skf21("5","4","6","6","7","3","2","1") = "6"
    & skf21("5","4","6","6","7","3","3","1") = "6"
    & skf21("5","4","6","6","7","3","4","1") = "6"
    & skf21("5","4","6","6","7","3","5","1") = "6"
    & skf21("5","4","6","6","7","3","6","1") = "6"
    & skf21("5","4","6","6","7","3","7","1") = "6"
    & skf21("5","4","6","6","7","4","1","1") = "6"
    & skf21("5","4","6","6","7","4","2","1") = "6"
    & skf21("5","4","6","6","7","4","3","1") = "6"
    & skf21("5","4","6","6","7","4","4","1") = "6"
    & skf21("5","4","6","6","7","4","5","1") = "6"
    & skf21("5","4","6","6","7","4","6","1") = "6"
    & skf21("5","4","6","6","7","4","7","1") = "6"
    & skf21("5","4","6","6","7","5","1","1") = "6"
    & skf21("5","4","6","6","7","5","2","1") = "6"
    & skf21("5","4","6","6","7","5","3","1") = "6"
    & skf21("5","4","6","6","7","5","4","1") = "6"
    & skf21("5","4","6","6","7","5","5","1") = "6"
    & skf21("5","4","6","6","7","5","6","1") = "6"
    & skf21("5","4","6","6","7","5","7","1") = "6"
    & skf21("5","4","6","6","7","6","1","1") = "6"
    & skf21("5","4","6","6","7","6","2","1") = "6"
    & skf21("5","4","6","6","7","6","3","1") = "6"
    & skf21("5","4","6","6","7","6","4","1") = "6"
    & skf21("5","4","6","6","7","6","5","1") = "6"
    & skf21("5","4","6","6","7","6","6","1") = "6"
    & skf21("5","4","6","6","7","6","7","1") = "6"
    & skf21("5","4","6","6","7","7","1","1") = "6"
    & skf21("5","4","6","6","7","7","2","1") = "6"
    & skf21("5","4","6","6","7","7","3","1") = "6"
    & skf21("5","4","6","6","7","7","4","1") = "6"
    & skf21("5","4","6","6","7","7","5","1") = "6"
    & skf21("5","4","6","6","7","7","6","1") = "6"
    & skf21("5","4","6","6","7","7","7","1") = "6"
    & skf21("5","4","6","7","1","1","1","1") = "6"
    & skf21("5","4","6","7","1","1","2","1") = "6"
    & skf21("5","4","6","7","1","1","3","1") = "6"
    & skf21("5","4","6","7","1","1","4","1") = "6"
    & skf21("5","4","6","7","1","1","5","1") = "6"
    & skf21("5","4","6","7","1","1","6","1") = "6"
    & skf21("5","4","6","7","1","1","7","1") = "6"
    & skf21("5","4","6","7","1","2","1","1") = "6"
    & skf21("5","4","6","7","1","2","2","1") = "6"
    & skf21("5","4","6","7","1","2","3","1") = "6"
    & skf21("5","4","6","7","1","2","4","1") = "6"
    & skf21("5","4","6","7","1","2","5","1") = "6"
    & skf21("5","4","6","7","1","2","6","1") = "6"
    & skf21("5","4","6","7","1","2","7","1") = "6"
    & skf21("5","4","6","7","1","3","1","1") = "6"
    & skf21("5","4","6","7","1","3","2","1") = "6"
    & skf21("5","4","6","7","1","3","3","1") = "6"
    & skf21("5","4","6","7","1","3","4","1") = "6"
    & skf21("5","4","6","7","1","3","5","1") = "6"
    & skf21("5","4","6","7","1","3","6","1") = "6"
    & skf21("5","4","6","7","1","3","7","1") = "6"
    & skf21("5","4","6","7","1","4","1","1") = "6"
    & skf21("5","4","6","7","1","4","2","1") = "6"
    & skf21("5","4","6","7","1","4","3","1") = "6"
    & skf21("5","4","6","7","1","4","4","1") = "6"
    & skf21("5","4","6","7","1","4","5","1") = "6"
    & skf21("5","4","6","7","1","4","6","1") = "6"
    & skf21("5","4","6","7","1","4","7","1") = "6"
    & skf21("5","4","6","7","1","5","1","1") = "6"
    & skf21("5","4","6","7","1","5","2","1") = "6"
    & skf21("5","4","6","7","1","5","3","1") = "6"
    & skf21("5","4","6","7","1","5","4","1") = "6"
    & skf21("5","4","6","7","1","5","5","1") = "6"
    & skf21("5","4","6","7","1","5","6","1") = "6"
    & skf21("5","4","6","7","1","5","7","1") = "6"
    & skf21("5","4","6","7","1","6","1","1") = "6"
    & skf21("5","4","6","7","1","6","2","1") = "6"
    & skf21("5","4","6","7","1","6","3","1") = "6"
    & skf21("5","4","6","7","1","6","4","1") = "6"
    & skf21("5","4","6","7","1","6","5","1") = "6"
    & skf21("5","4","6","7","1","6","6","1") = "6"
    & skf21("5","4","6","7","1","6","7","1") = "6"
    & skf21("5","4","6","7","1","7","1","1") = "6"
    & skf21("5","4","6","7","1","7","2","1") = "6"
    & skf21("5","4","6","7","1","7","3","1") = "6"
    & skf21("5","4","6","7","1","7","4","1") = "6"
    & skf21("5","4","6","7","1","7","5","1") = "6"
    & skf21("5","4","6","7","1","7","6","1") = "6"
    & skf21("5","4","6","7","1","7","7","1") = "6"
    & skf21("5","4","6","7","2","1","1","1") = "6"
    & skf21("5","4","6","7","2","1","2","1") = "6"
    & skf21("5","4","6","7","2","1","3","1") = "6"
    & skf21("5","4","6","7","2","1","4","1") = "6"
    & skf21("5","4","6","7","2","1","5","1") = "6"
    & skf21("5","4","6","7","2","1","6","1") = "6"
    & skf21("5","4","6","7","2","1","7","1") = "6"
    & skf21("5","4","6","7","2","2","1","1") = "6"
    & skf21("5","4","6","7","2","2","2","1") = "6"
    & skf21("5","4","6","7","2","2","3","1") = "6"
    & skf21("5","4","6","7","2","2","4","1") = "6"
    & skf21("5","4","6","7","2","2","5","1") = "6"
    & skf21("5","4","6","7","2","2","6","1") = "6"
    & skf21("5","4","6","7","2","2","7","1") = "6"
    & skf21("5","4","6","7","2","3","1","1") = "6"
    & skf21("5","4","6","7","2","3","2","1") = "6"
    & skf21("5","4","6","7","2","3","3","1") = "6"
    & skf21("5","4","6","7","2","3","4","1") = "6"
    & skf21("5","4","6","7","2","3","5","1") = "6"
    & skf21("5","4","6","7","2","3","6","1") = "6"
    & skf21("5","4","6","7","2","3","7","1") = "6"
    & skf21("5","4","6","7","2","4","1","1") = "6"
    & skf21("5","4","6","7","2","4","2","1") = "6"
    & skf21("5","4","6","7","2","4","3","1") = "6"
    & skf21("5","4","6","7","2","4","4","1") = "6"
    & skf21("5","4","6","7","2","4","5","1") = "6"
    & skf21("5","4","6","7","2","4","6","1") = "6"
    & skf21("5","4","6","7","2","4","7","1") = "6"
    & skf21("5","4","6","7","2","5","1","1") = "6"
    & skf21("5","4","6","7","2","5","2","1") = "6"
    & skf21("5","4","6","7","2","5","3","1") = "6"
    & skf21("5","4","6","7","2","5","4","1") = "6"
    & skf21("5","4","6","7","2","5","5","1") = "6"
    & skf21("5","4","6","7","2","5","6","1") = "6"
    & skf21("5","4","6","7","2","5","7","1") = "6"
    & skf21("5","4","6","7","2","6","1","1") = "6"
    & skf21("5","4","6","7","2","6","2","1") = "6"
    & skf21("5","4","6","7","2","6","3","1") = "6"
    & skf21("5","4","6","7","2","6","4","1") = "6"
    & skf21("5","4","6","7","2","6","5","1") = "6"
    & skf21("5","4","6","7","2","6","6","1") = "6"
    & skf21("5","4","6","7","2","6","7","1") = "6"
    & skf21("5","4","6","7","2","7","1","1") = "6"
    & skf21("5","4","6","7","2","7","2","1") = "6"
    & skf21("5","4","6","7","2","7","3","1") = "6"
    & skf21("5","4","6","7","2","7","4","1") = "6"
    & skf21("5","4","6","7","2","7","5","1") = "6"
    & skf21("5","4","6","7","2","7","6","1") = "6"
    & skf21("5","4","6","7","2","7","7","1") = "6"
    & skf21("5","4","6","7","3","1","1","1") = "6"
    & skf21("5","4","6","7","3","1","2","1") = "6"
    & skf21("5","4","6","7","3","1","3","1") = "6"
    & skf21("5","4","6","7","3","1","4","1") = "6"
    & skf21("5","4","6","7","3","1","5","1") = "6"
    & skf21("5","4","6","7","3","1","6","1") = "6"
    & skf21("5","4","6","7","3","1","7","1") = "6"
    & skf21("5","4","6","7","3","2","1","1") = "6"
    & skf21("5","4","6","7","3","2","2","1") = "6"
    & skf21("5","4","6","7","3","2","3","1") = "6"
    & skf21("5","4","6","7","3","2","4","1") = "6"
    & skf21("5","4","6","7","3","2","5","1") = "6"
    & skf21("5","4","6","7","3","2","6","1") = "6"
    & skf21("5","4","6","7","3","2","7","1") = "6"
    & skf21("5","4","6","7","3","3","1","1") = "6"
    & skf21("5","4","6","7","3","3","2","1") = "6"
    & skf21("5","4","6","7","3","3","3","1") = "6"
    & skf21("5","4","6","7","3","3","4","1") = "6"
    & skf21("5","4","6","7","3","3","5","1") = "6"
    & skf21("5","4","6","7","3","3","6","1") = "6"
    & skf21("5","4","6","7","3","3","7","1") = "6"
    & skf21("5","4","6","7","3","4","1","1") = "6"
    & skf21("5","4","6","7","3","4","2","1") = "6"
    & skf21("5","4","6","7","3","4","3","1") = "6"
    & skf21("5","4","6","7","3","4","4","1") = "6"
    & skf21("5","4","6","7","3","4","5","1") = "6"
    & skf21("5","4","6","7","3","4","6","1") = "6"
    & skf21("5","4","6","7","3","4","7","1") = "6"
    & skf21("5","4","6","7","3","5","1","1") = "6"
    & skf21("5","4","6","7","3","5","2","1") = "6"
    & skf21("5","4","6","7","3","5","3","1") = "6"
    & skf21("5","4","6","7","3","5","4","1") = "6"
    & skf21("5","4","6","7","3","5","5","1") = "6"
    & skf21("5","4","6","7","3","5","6","1") = "6"
    & skf21("5","4","6","7","3","5","7","1") = "6"
    & skf21("5","4","6","7","3","6","1","1") = "6"
    & skf21("5","4","6","7","3","6","2","1") = "6"
    & skf21("5","4","6","7","3","6","3","1") = "6"
    & skf21("5","4","6","7","3","6","4","1") = "6"
    & skf21("5","4","6","7","3","6","5","1") = "6"
    & skf21("5","4","6","7","3","6","6","1") = "6"
    & skf21("5","4","6","7","3","6","7","1") = "6"
    & skf21("5","4","6","7","3","7","1","1") = "6"
    & skf21("5","4","6","7","3","7","2","1") = "6"
    & skf21("5","4","6","7","3","7","3","1") = "6"
    & skf21("5","4","6","7","3","7","4","1") = "6"
    & skf21("5","4","6","7","3","7","5","1") = "6"
    & skf21("5","4","6","7","3","7","6","1") = "6"
    & skf21("5","4","6","7","3","7","7","1") = "6"
    & skf21("5","4","6","7","4","1","1","1") = "6"
    & skf21("5","4","6","7","4","1","2","1") = "6"
    & skf21("5","4","6","7","4","1","3","1") = "6"
    & skf21("5","4","6","7","4","1","4","1") = "6"
    & skf21("5","4","6","7","4","1","5","1") = "6"
    & skf21("5","4","6","7","4","1","6","1") = "6"
    & skf21("5","4","6","7","4","1","7","1") = "6"
    & skf21("5","4","6","7","4","2","1","1") = "6"
    & skf21("5","4","6","7","4","2","2","1") = "6"
    & skf21("5","4","6","7","4","2","3","1") = "6"
    & skf21("5","4","6","7","4","2","4","1") = "6"
    & skf21("5","4","6","7","4","2","5","1") = "6"
    & skf21("5","4","6","7","4","2","6","1") = "6"
    & skf21("5","4","6","7","4","2","7","1") = "6"
    & skf21("5","4","6","7","4","3","1","1") = "6"
    & skf21("5","4","6","7","4","3","2","1") = "6"
    & skf21("5","4","6","7","4","3","3","1") = "6"
    & skf21("5","4","6","7","4","3","4","1") = "6"
    & skf21("5","4","6","7","4","3","5","1") = "6"
    & skf21("5","4","6","7","4","3","6","1") = "6"
    & skf21("5","4","6","7","4","3","7","1") = "6"
    & skf21("5","4","6","7","4","4","1","1") = "6"
    & skf21("5","4","6","7","4","4","2","1") = "6"
    & skf21("5","4","6","7","4","4","3","1") = "6"
    & skf21("5","4","6","7","4","4","4","1") = "6"
    & skf21("5","4","6","7","4","4","5","1") = "6"
    & skf21("5","4","6","7","4","4","6","1") = "6"
    & skf21("5","4","6","7","4","4","7","1") = "6"
    & skf21("5","4","6","7","4","5","1","1") = "6"
    & skf21("5","4","6","7","4","5","2","1") = "6"
    & skf21("5","4","6","7","4","5","3","1") = "6"
    & skf21("5","4","6","7","4","5","4","1") = "6"
    & skf21("5","4","6","7","4","5","5","1") = "6"
    & skf21("5","4","6","7","4","5","6","1") = "6"
    & skf21("5","4","6","7","4","5","7","1") = "6"
    & skf21("5","4","6","7","4","6","1","1") = "6"
    & skf21("5","4","6","7","4","6","2","1") = "6"
    & skf21("5","4","6","7","4","6","3","1") = "6"
    & skf21("5","4","6","7","4","6","4","1") = "6"
    & skf21("5","4","6","7","4","6","5","1") = "6"
    & skf21("5","4","6","7","4","6","6","1") = "6"
    & skf21("5","4","6","7","4","6","7","1") = "6"
    & skf21("5","4","6","7","4","7","1","1") = "6"
    & skf21("5","4","6","7","4","7","2","1") = "6"
    & skf21("5","4","6","7","4","7","3","1") = "6"
    & skf21("5","4","6","7","4","7","4","1") = "6"
    & skf21("5","4","6","7","4","7","5","1") = "6"
    & skf21("5","4","6","7","4","7","6","1") = "6"
    & skf21("5","4","6","7","4","7","7","1") = "6"
    & skf21("5","4","6","7","5","1","1","1") = "6"
    & skf21("5","4","6","7","5","1","2","1") = "6"
    & skf21("5","4","6","7","5","1","3","1") = "6"
    & skf21("5","4","6","7","5","1","4","1") = "6"
    & skf21("5","4","6","7","5","1","5","1") = "6"
    & skf21("5","4","6","7","5","1","6","1") = "6"
    & skf21("5","4","6","7","5","1","7","1") = "6"
    & skf21("5","4","6","7","5","2","1","1") = "6"
    & skf21("5","4","6","7","5","2","2","1") = "6"
    & skf21("5","4","6","7","5","2","3","1") = "6"
    & skf21("5","4","6","7","5","2","4","1") = "6"
    & skf21("5","4","6","7","5","2","5","1") = "6"
    & skf21("5","4","6","7","5","2","6","1") = "6"
    & skf21("5","4","6","7","5","2","7","1") = "6"
    & skf21("5","4","6","7","5","3","1","1") = "6"
    & skf21("5","4","6","7","5","3","2","1") = "6"
    & skf21("5","4","6","7","5","3","3","1") = "6"
    & skf21("5","4","6","7","5","3","4","1") = "6"
    & skf21("5","4","6","7","5","3","5","1") = "6"
    & skf21("5","4","6","7","5","3","6","1") = "6"
    & skf21("5","4","6","7","5","3","7","1") = "6"
    & skf21("5","4","6","7","5","4","1","1") = "6"
    & skf21("5","4","6","7","5","4","2","1") = "6"
    & skf21("5","4","6","7","5","4","3","1") = "6"
    & skf21("5","4","6","7","5","4","4","1") = "6"
    & skf21("5","4","6","7","5","4","5","1") = "6"
    & skf21("5","4","6","7","5","4","6","1") = "6"
    & skf21("5","4","6","7","5","4","7","1") = "6"
    & skf21("5","4","6","7","5","5","1","1") = "6"
    & skf21("5","4","6","7","5","5","2","1") = "6"
    & skf21("5","4","6","7","5","5","3","1") = "6"
    & skf21("5","4","6","7","5","5","4","1") = "6"
    & skf21("5","4","6","7","5","5","5","1") = "6"
    & skf21("5","4","6","7","5","5","6","1") = "6"
    & skf21("5","4","6","7","5","5","7","1") = "6"
    & skf21("5","4","6","7","5","6","1","1") = "6"
    & skf21("5","4","6","7","5","6","2","1") = "6"
    & skf21("5","4","6","7","5","6","3","1") = "6"
    & skf21("5","4","6","7","5","6","4","1") = "6"
    & skf21("5","4","6","7","5","6","5","1") = "6"
    & skf21("5","4","6","7","5","6","6","1") = "6"
    & skf21("5","4","6","7","5","6","7","1") = "6"
    & skf21("5","4","6","7","5","7","1","1") = "6"
    & skf21("5","4","6","7","5","7","2","1") = "6"
    & skf21("5","4","6","7","5","7","3","1") = "6"
    & skf21("5","4","6","7","5","7","4","1") = "6"
    & skf21("5","4","6","7","5","7","5","1") = "6"
    & skf21("5","4","6","7","5","7","6","1") = "6"
    & skf21("5","4","6","7","5","7","7","1") = "6"
    & skf21("5","4","6","7","6","1","1","1") = "6"
    & skf21("5","4","6","7","6","1","2","1") = "6"
    & skf21("5","4","6","7","6","1","3","1") = "6"
    & skf21("5","4","6","7","6","1","4","1") = "6"
    & skf21("5","4","6","7","6","1","5","1") = "6"
    & skf21("5","4","6","7","6","1","6","1") = "6"
    & skf21("5","4","6","7","6","1","7","1") = "6"
    & skf21("5","4","6","7","6","2","1","1") = "6"
    & skf21("5","4","6","7","6","2","2","1") = "6"
    & skf21("5","4","6","7","6","2","3","1") = "6"
    & skf21("5","4","6","7","6","2","4","1") = "6"
    & skf21("5","4","6","7","6","2","5","1") = "6"
    & skf21("5","4","6","7","6","2","6","1") = "6"
    & skf21("5","4","6","7","6","2","7","1") = "6"
    & skf21("5","4","6","7","6","3","1","1") = "6"
    & skf21("5","4","6","7","6","3","2","1") = "6"
    & skf21("5","4","6","7","6","3","3","1") = "6"
    & skf21("5","4","6","7","6","3","4","1") = "6"
    & skf21("5","4","6","7","6","3","5","1") = "6"
    & skf21("5","4","6","7","6","3","6","1") = "6"
    & skf21("5","4","6","7","6","3","7","1") = "6"
    & skf21("5","4","6","7","6","4","1","1") = "6"
    & skf21("5","4","6","7","6","4","2","1") = "6"
    & skf21("5","4","6","7","6","4","3","1") = "6"
    & skf21("5","4","6","7","6","4","4","1") = "6"
    & skf21("5","4","6","7","6","4","5","1") = "6"
    & skf21("5","4","6","7","6","4","6","1") = "6"
    & skf21("5","4","6","7","6","4","7","1") = "6"
    & skf21("5","4","6","7","6","5","1","1") = "6"
    & skf21("5","4","6","7","6","5","2","1") = "6"
    & skf21("5","4","6","7","6","5","3","1") = "6"
    & skf21("5","4","6","7","6","5","4","1") = "6"
    & skf21("5","4","6","7","6","5","5","1") = "6"
    & skf21("5","4","6","7","6","5","6","1") = "6"
    & skf21("5","4","6","7","6","5","7","1") = "6"
    & skf21("5","4","6","7","6","6","1","1") = "6"
    & skf21("5","4","6","7","6","6","2","1") = "6"
    & skf21("5","4","6","7","6","6","3","1") = "6"
    & skf21("5","4","6","7","6","6","4","1") = "6"
    & skf21("5","4","6","7","6","6","5","1") = "6"
    & skf21("5","4","6","7","6","6","6","1") = "6"
    & skf21("5","4","6","7","6","6","7","1") = "6"
    & skf21("5","4","6","7","6","7","1","1") = "6"
    & skf21("5","4","6","7","6","7","2","1") = "6"
    & skf21("5","4","6","7","6","7","3","1") = "6"
    & skf21("5","4","6","7","6","7","4","1") = "6"
    & skf21("5","4","6","7","6","7","5","1") = "6"
    & skf21("5","4","6","7","6","7","6","1") = "6"
    & skf21("5","4","6","7","6","7","7","1") = "6"
    & skf21("5","4","6","7","7","1","1","1") = "6"
    & skf21("5","4","6","7","7","1","2","1") = "6"
    & skf21("5","4","6","7","7","1","3","1") = "6"
    & skf21("5","4","6","7","7","1","4","1") = "6"
    & skf21("5","4","6","7","7","1","5","1") = "6"
    & skf21("5","4","6","7","7","1","6","1") = "6"
    & skf21("5","4","6","7","7","1","7","1") = "6"
    & skf21("5","4","6","7","7","2","1","1") = "6"
    & skf21("5","4","6","7","7","2","2","1") = "6"
    & skf21("5","4","6","7","7","2","3","1") = "6"
    & skf21("5","4","6","7","7","2","4","1") = "6"
    & skf21("5","4","6","7","7","2","5","1") = "6"
    & skf21("5","4","6","7","7","2","6","1") = "6"
    & skf21("5","4","6","7","7","2","7","1") = "6"
    & skf21("5","4","6","7","7","3","1","1") = "6"
    & skf21("5","4","6","7","7","3","2","1") = "6"
    & skf21("5","4","6","7","7","3","3","1") = "6"
    & skf21("5","4","6","7","7","3","4","1") = "6"
    & skf21("5","4","6","7","7","3","5","1") = "6"
    & skf21("5","4","6","7","7","3","6","1") = "6"
    & skf21("5","4","6","7","7","3","7","1") = "6"
    & skf21("5","4","6","7","7","4","1","1") = "6"
    & skf21("5","4","6","7","7","4","2","1") = "6"
    & skf21("5","4","6","7","7","4","3","1") = "6"
    & skf21("5","4","6","7","7","4","4","1") = "6"
    & skf21("5","4","6","7","7","4","5","1") = "6"
    & skf21("5","4","6","7","7","4","6","1") = "6"
    & skf21("5","4","6","7","7","4","7","1") = "6"
    & skf21("5","4","6","7","7","5","1","1") = "6"
    & skf21("5","4","6","7","7","5","2","1") = "6"
    & skf21("5","4","6","7","7","5","3","1") = "6"
    & skf21("5","4","6","7","7","5","4","1") = "6"
    & skf21("5","4","6","7","7","5","5","1") = "6"
    & skf21("5","4","6","7","7","5","6","1") = "6"
    & skf21("5","4","6","7","7","5","7","1") = "6"
    & skf21("5","4","6","7","7","6","1","1") = "6"
    & skf21("5","4","6","7","7","6","2","1") = "6"
    & skf21("5","4","6","7","7","6","3","1") = "6"
    & skf21("5","4","6","7","7","6","4","1") = "6"
    & skf21("5","4","6","7","7","6","5","1") = "6"
    & skf21("5","4","6","7","7","6","6","1") = "6"
    & skf21("5","4","6","7","7","6","7","1") = "6"
    & skf21("5","4","6","7","7","7","1","1") = "6"
    & skf21("5","4","6","7","7","7","2","1") = "6"
    & skf21("5","4","6","7","7","7","3","1") = "6"
    & skf21("5","4","6","7","7","7","4","1") = "6"
    & skf21("5","4","6","7","7","7","5","1") = "6"
    & skf21("5","4","6","7","7","7","6","1") = "6"
    & skf21("5","4","6","7","7","7","7","1") = "6"
    & skf21("5","4","7","1","1","1","1","1") = "6"
    & skf21("5","4","7","1","1","1","2","1") = "6"
    & skf21("5","4","7","1","1","1","3","1") = "6"
    & skf21("5","4","7","1","1","1","4","1") = "6"
    & skf21("5","4","7","1","1","1","5","1") = "6"
    & skf21("5","4","7","1","1","1","6","1") = "6"
    & skf21("5","4","7","1","1","1","7","1") = "6"
    & skf21("5","4","7","1","1","2","1","1") = "6"
    & skf21("5","4","7","1","1","2","2","1") = "6"
    & skf21("5","4","7","1","1","2","3","1") = "6"
    & skf21("5","4","7","1","1","2","4","1") = "6"
    & skf21("5","4","7","1","1","2","5","1") = "6"
    & skf21("5","4","7","1","1","2","6","1") = "6"
    & skf21("5","4","7","1","1","2","7","1") = "6"
    & skf21("5","4","7","1","1","3","1","1") = "6"
    & skf21("5","4","7","1","1","3","2","1") = "6"
    & skf21("5","4","7","1","1","3","3","1") = "6"
    & skf21("5","4","7","1","1","3","4","1") = "6"
    & skf21("5","4","7","1","1","3","5","1") = "6"
    & skf21("5","4","7","1","1","3","6","1") = "6"
    & skf21("5","4","7","1","1","3","7","1") = "6"
    & skf21("5","4","7","1","1","4","1","1") = "6"
    & skf21("5","4","7","1","1","4","2","1") = "6"
    & skf21("5","4","7","1","1","4","3","1") = "6"
    & skf21("5","4","7","1","1","4","4","1") = "6"
    & skf21("5","4","7","1","1","4","5","1") = "6"
    & skf21("5","4","7","1","1","4","6","1") = "6"
    & skf21("5","4","7","1","1","4","7","1") = "6"
    & skf21("5","4","7","1","1","5","1","1") = "6"
    & skf21("5","4","7","1","1","5","2","1") = "6"
    & skf21("5","4","7","1","1","5","3","1") = "6"
    & skf21("5","4","7","1","1","5","4","1") = "6"
    & skf21("5","4","7","1","1","5","5","1") = "6"
    & skf21("5","4","7","1","1","5","6","1") = "6"
    & skf21("5","4","7","1","1","5","7","1") = "6"
    & skf21("5","4","7","1","1","6","1","1") = "6"
    & skf21("5","4","7","1","1","6","2","1") = "6"
    & skf21("5","4","7","1","1","6","3","1") = "6"
    & skf21("5","4","7","1","1","6","4","1") = "6"
    & skf21("5","4","7","1","1","6","5","1") = "6"
    & skf21("5","4","7","1","1","6","6","1") = "6"
    & skf21("5","4","7","1","1","6","7","1") = "6"
    & skf21("5","4","7","1","1","7","1","1") = "6"
    & skf21("5","4","7","1","1","7","2","1") = "6"
    & skf21("5","4","7","1","1","7","3","1") = "6"
    & skf21("5","4","7","1","1","7","4","1") = "6"
    & skf21("5","4","7","1","1","7","5","1") = "6"
    & skf21("5","4","7","1","1","7","6","1") = "6"
    & skf21("5","4","7","1","1","7","7","1") = "6"
    & skf21("5","4","7","1","2","1","1","1") = "6"
    & skf21("5","4","7","1","2","1","2","1") = "6"
    & skf21("5","4","7","1","2","1","3","1") = "6"
    & skf21("5","4","7","1","2","1","4","1") = "6"
    & skf21("5","4","7","1","2","1","5","1") = "6"
    & skf21("5","4","7","1","2","1","6","1") = "6"
    & skf21("5","4","7","1","2","1","7","1") = "6"
    & skf21("5","4","7","1","2","2","1","1") = "6"
    & skf21("5","4","7","1","2","2","2","1") = "6"
    & skf21("5","4","7","1","2","2","3","1") = "6"
    & skf21("5","4","7","1","2","2","4","1") = "6"
    & skf21("5","4","7","1","2","2","5","1") = "6"
    & skf21("5","4","7","1","2","2","6","1") = "6"
    & skf21("5","4","7","1","2","2","7","1") = "6"
    & skf21("5","4","7","1","2","3","1","1") = "6"
    & skf21("5","4","7","1","2","3","2","1") = "6"
    & skf21("5","4","7","1","2","3","3","1") = "6"
    & skf21("5","4","7","1","2","3","4","1") = "6"
    & skf21("5","4","7","1","2","3","5","1") = "6"
    & skf21("5","4","7","1","2","3","6","1") = "6"
    & skf21("5","4","7","1","2","3","7","1") = "6"
    & skf21("5","4","7","1","2","4","1","1") = "6"
    & skf21("5","4","7","1","2","4","2","1") = "6"
    & skf21("5","4","7","1","2","4","3","1") = "6"
    & skf21("5","4","7","1","2","4","4","1") = "6"
    & skf21("5","4","7","1","2","4","5","1") = "6"
    & skf21("5","4","7","1","2","4","6","1") = "6"
    & skf21("5","4","7","1","2","4","7","1") = "6"
    & skf21("5","4","7","1","2","5","1","1") = "6"
    & skf21("5","4","7","1","2","5","2","1") = "6"
    & skf21("5","4","7","1","2","5","3","1") = "6"
    & skf21("5","4","7","1","2","5","4","1") = "6"
    & skf21("5","4","7","1","2","5","5","1") = "6"
    & skf21("5","4","7","1","2","5","6","1") = "6"
    & skf21("5","4","7","1","2","5","7","1") = "6"
    & skf21("5","4","7","1","2","6","1","1") = "6"
    & skf21("5","4","7","1","2","6","2","1") = "6"
    & skf21("5","4","7","1","2","6","3","1") = "6"
    & skf21("5","4","7","1","2","6","4","1") = "6"
    & skf21("5","4","7","1","2","6","5","1") = "6"
    & skf21("5","4","7","1","2","6","6","1") = "6"
    & skf21("5","4","7","1","2","6","7","1") = "6"
    & skf21("5","4","7","1","2","7","1","1") = "6"
    & skf21("5","4","7","1","2","7","2","1") = "6"
    & skf21("5","4","7","1","2","7","3","1") = "6"
    & skf21("5","4","7","1","2","7","4","1") = "6"
    & skf21("5","4","7","1","2","7","5","1") = "6"
    & skf21("5","4","7","1","2","7","6","1") = "6"
    & skf21("5","4","7","1","2","7","7","1") = "6"
    & skf21("5","4","7","1","3","1","1","1") = "6"
    & skf21("5","4","7","1","3","1","2","1") = "6"
    & skf21("5","4","7","1","3","1","3","1") = "6"
    & skf21("5","4","7","1","3","1","4","1") = "6"
    & skf21("5","4","7","1","3","1","5","1") = "6"
    & skf21("5","4","7","1","3","1","6","1") = "6"
    & skf21("5","4","7","1","3","1","7","1") = "6"
    & skf21("5","4","7","1","3","2","1","1") = "6"
    & skf21("5","4","7","1","3","2","2","1") = "6"
    & skf21("5","4","7","1","3","2","3","1") = "6"
    & skf21("5","4","7","1","3","2","4","1") = "6"
    & skf21("5","4","7","1","3","2","5","1") = "6"
    & skf21("5","4","7","1","3","2","6","1") = "6"
    & skf21("5","4","7","1","3","2","7","1") = "6"
    & skf21("5","4","7","1","3","3","1","1") = "6"
    & skf21("5","4","7","1","3","3","2","1") = "6"
    & skf21("5","4","7","1","3","3","3","1") = "6"
    & skf21("5","4","7","1","3","3","4","1") = "6"
    & skf21("5","4","7","1","3","3","5","1") = "6"
    & skf21("5","4","7","1","3","3","6","1") = "6"
    & skf21("5","4","7","1","3","3","7","1") = "6"
    & skf21("5","4","7","1","3","4","1","1") = "6"
    & skf21("5","4","7","1","3","4","2","1") = "6"
    & skf21("5","4","7","1","3","4","3","1") = "6"
    & skf21("5","4","7","1","3","4","4","1") = "6"
    & skf21("5","4","7","1","3","4","5","1") = "6"
    & skf21("5","4","7","1","3","4","6","1") = "6"
    & skf21("5","4","7","1","3","4","7","1") = "6"
    & skf21("5","4","7","1","3","5","1","1") = "6"
    & skf21("5","4","7","1","3","5","2","1") = "6"
    & skf21("5","4","7","1","3","5","3","1") = "6"
    & skf21("5","4","7","1","3","5","4","1") = "6"
    & skf21("5","4","7","1","3","5","5","1") = "6"
    & skf21("5","4","7","1","3","5","6","1") = "6"
    & skf21("5","4","7","1","3","5","7","1") = "6"
    & skf21("5","4","7","1","3","6","1","1") = "6"
    & skf21("5","4","7","1","3","6","2","1") = "6"
    & skf21("5","4","7","1","3","6","3","1") = "6"
    & skf21("5","4","7","1","3","6","4","1") = "6"
    & skf21("5","4","7","1","3","6","5","1") = "6"
    & skf21("5","4","7","1","3","6","6","1") = "6"
    & skf21("5","4","7","1","3","6","7","1") = "6"
    & skf21("5","4","7","1","3","7","1","1") = "6"
    & skf21("5","4","7","1","3","7","2","1") = "6"
    & skf21("5","4","7","1","3","7","3","1") = "6"
    & skf21("5","4","7","1","3","7","4","1") = "6"
    & skf21("5","4","7","1","3","7","5","1") = "6"
    & skf21("5","4","7","1","3","7","6","1") = "6"
    & skf21("5","4","7","1","3","7","7","1") = "6"
    & skf21("5","4","7","1","4","1","1","1") = "6"
    & skf21("5","4","7","1","4","1","2","1") = "6"
    & skf21("5","4","7","1","4","1","3","1") = "6"
    & skf21("5","4","7","1","4","1","4","1") = "6"
    & skf21("5","4","7","1","4","1","5","1") = "6"
    & skf21("5","4","7","1","4","1","6","1") = "6"
    & skf21("5","4","7","1","4","1","7","1") = "6"
    & skf21("5","4","7","1","4","2","1","1") = "6"
    & skf21("5","4","7","1","4","2","2","1") = "6"
    & skf21("5","4","7","1","4","2","3","1") = "6"
    & skf21("5","4","7","1","4","2","4","1") = "6"
    & skf21("5","4","7","1","4","2","5","1") = "6"
    & skf21("5","4","7","1","4","2","6","1") = "6"
    & skf21("5","4","7","1","4","2","7","1") = "6"
    & skf21("5","4","7","1","4","3","1","1") = "6"
    & skf21("5","4","7","1","4","3","2","1") = "6"
    & skf21("5","4","7","1","4","3","3","1") = "6"
    & skf21("5","4","7","1","4","3","4","1") = "6"
    & skf21("5","4","7","1","4","3","5","1") = "6"
    & skf21("5","4","7","1","4","3","6","1") = "6"
    & skf21("5","4","7","1","4","3","7","1") = "6"
    & skf21("5","4","7","1","4","4","1","1") = "6"
    & skf21("5","4","7","1","4","4","2","1") = "6"
    & skf21("5","4","7","1","4","4","3","1") = "6"
    & skf21("5","4","7","1","4","4","4","1") = "6"
    & skf21("5","4","7","1","4","4","5","1") = "6"
    & skf21("5","4","7","1","4","4","6","1") = "6"
    & skf21("5","4","7","1","4","4","7","1") = "6"
    & skf21("5","4","7","1","4","5","1","1") = "6"
    & skf21("5","4","7","1","4","5","2","1") = "6"
    & skf21("5","4","7","1","4","5","3","1") = "6"
    & skf21("5","4","7","1","4","5","4","1") = "6"
    & skf21("5","4","7","1","4","5","5","1") = "6"
    & skf21("5","4","7","1","4","5","6","1") = "6"
    & skf21("5","4","7","1","4","5","7","1") = "6"
    & skf21("5","4","7","1","4","6","1","1") = "6"
    & skf21("5","4","7","1","4","6","2","1") = "6"
    & skf21("5","4","7","1","4","6","3","1") = "6"
    & skf21("5","4","7","1","4","6","4","1") = "6"
    & skf21("5","4","7","1","4","6","5","1") = "6"
    & skf21("5","4","7","1","4","6","6","1") = "6"
    & skf21("5","4","7","1","4","6","7","1") = "6"
    & skf21("5","4","7","1","4","7","1","1") = "6"
    & skf21("5","4","7","1","4","7","2","1") = "6"
    & skf21("5","4","7","1","4","7","3","1") = "6"
    & skf21("5","4","7","1","4","7","4","1") = "6"
    & skf21("5","4","7","1","4","7","5","1") = "6"
    & skf21("5","4","7","1","4","7","6","1") = "6"
    & skf21("5","4","7","1","4","7","7","1") = "6"
    & skf21("5","4","7","1","5","1","1","1") = "6"
    & skf21("5","4","7","1","5","1","2","1") = "6"
    & skf21("5","4","7","1","5","1","3","1") = "6"
    & skf21("5","4","7","1","5","1","4","1") = "6"
    & skf21("5","4","7","1","5","1","5","1") = "6"
    & skf21("5","4","7","1","5","1","6","1") = "6"
    & skf21("5","4","7","1","5","1","7","1") = "6"
    & skf21("5","4","7","1","5","2","1","1") = "6"
    & skf21("5","4","7","1","5","2","2","1") = "6"
    & skf21("5","4","7","1","5","2","3","1") = "6"
    & skf21("5","4","7","1","5","2","4","1") = "6"
    & skf21("5","4","7","1","5","2","5","1") = "6"
    & skf21("5","4","7","1","5","2","6","1") = "6"
    & skf21("5","4","7","1","5","2","7","1") = "6"
    & skf21("5","4","7","1","5","3","1","1") = "6"
    & skf21("5","4","7","1","5","3","2","1") = "6"
    & skf21("5","4","7","1","5","3","3","1") = "6"
    & skf21("5","4","7","1","5","3","4","1") = "6"
    & skf21("5","4","7","1","5","3","5","1") = "6"
    & skf21("5","4","7","1","5","3","6","1") = "6"
    & skf21("5","4","7","1","5","3","7","1") = "6"
    & skf21("5","4","7","1","5","4","1","1") = "6"
    & skf21("5","4","7","1","5","4","2","1") = "6"
    & skf21("5","4","7","1","5","4","3","1") = "6"
    & skf21("5","4","7","1","5","4","4","1") = "6"
    & skf21("5","4","7","1","5","4","5","1") = "6"
    & skf21("5","4","7","1","5","4","6","1") = "6"
    & skf21("5","4","7","1","5","4","7","1") = "6"
    & skf21("5","4","7","1","5","5","1","1") = "6"
    & skf21("5","4","7","1","5","5","2","1") = "6"
    & skf21("5","4","7","1","5","5","3","1") = "6"
    & skf21("5","4","7","1","5","5","4","1") = "6"
    & skf21("5","4","7","1","5","5","5","1") = "6"
    & skf21("5","4","7","1","5","5","6","1") = "6"
    & skf21("5","4","7","1","5","5","7","1") = "6"
    & skf21("5","4","7","1","5","6","1","1") = "6"
    & skf21("5","4","7","1","5","6","2","1") = "6"
    & skf21("5","4","7","1","5","6","3","1") = "6"
    & skf21("5","4","7","1","5","6","4","1") = "6"
    & skf21("5","4","7","1","5","6","5","1") = "6"
    & skf21("5","4","7","1","5","6","6","1") = "6"
    & skf21("5","4","7","1","5","6","7","1") = "6"
    & skf21("5","4","7","1","5","7","1","1") = "6"
    & skf21("5","4","7","1","5","7","2","1") = "6"
    & skf21("5","4","7","1","5","7","3","1") = "6"
    & skf21("5","4","7","1","5","7","4","1") = "6"
    & skf21("5","4","7","1","5","7","5","1") = "6"
    & skf21("5","4","7","1","5","7","6","1") = "6"
    & skf21("5","4","7","1","5","7","7","1") = "6"
    & skf21("5","4","7","1","6","1","1","1") = "6"
    & skf21("5","4","7","1","6","1","2","1") = "6"
    & skf21("5","4","7","1","6","1","3","1") = "6"
    & skf21("5","4","7","1","6","1","4","1") = "6"
    & skf21("5","4","7","1","6","1","5","1") = "6"
    & skf21("5","4","7","1","6","1","6","1") = "6"
    & skf21("5","4","7","1","6","1","7","1") = "6"
    & skf21("5","4","7","1","6","2","1","1") = "6"
    & skf21("5","4","7","1","6","2","2","1") = "6"
    & skf21("5","4","7","1","6","2","3","1") = "6"
    & skf21("5","4","7","1","6","2","4","1") = "6"
    & skf21("5","4","7","1","6","2","5","1") = "6"
    & skf21("5","4","7","1","6","2","6","1") = "6"
    & skf21("5","4","7","1","6","2","7","1") = "6"
    & skf21("5","4","7","1","6","3","1","1") = "6"
    & skf21("5","4","7","1","6","3","2","1") = "6"
    & skf21("5","4","7","1","6","3","3","1") = "6"
    & skf21("5","4","7","1","6","3","4","1") = "6"
    & skf21("5","4","7","1","6","3","5","1") = "6"
    & skf21("5","4","7","1","6","3","6","1") = "6"
    & skf21("5","4","7","1","6","3","7","1") = "6"
    & skf21("5","4","7","1","6","4","1","1") = "6"
    & skf21("5","4","7","1","6","4","2","1") = "6"
    & skf21("5","4","7","1","6","4","3","1") = "6"
    & skf21("5","4","7","1","6","4","4","1") = "6"
    & skf21("5","4","7","1","6","4","5","1") = "6"
    & skf21("5","4","7","1","6","4","6","1") = "6"
    & skf21("5","4","7","1","6","4","7","1") = "6"
    & skf21("5","4","7","1","6","5","1","1") = "6"
    & skf21("5","4","7","1","6","5","2","1") = "6"
    & skf21("5","4","7","1","6","5","3","1") = "6"
    & skf21("5","4","7","1","6","5","4","1") = "6"
    & skf21("5","4","7","1","6","5","5","1") = "6"
    & skf21("5","4","7","1","6","5","6","1") = "6"
    & skf21("5","4","7","1","6","5","7","1") = "6"
    & skf21("5","4","7","1","6","6","1","1") = "6"
    & skf21("5","4","7","1","6","6","2","1") = "6"
    & skf21("5","4","7","1","6","6","3","1") = "6"
    & skf21("5","4","7","1","6","6","4","1") = "6"
    & skf21("5","4","7","1","6","6","5","1") = "6"
    & skf21("5","4","7","1","6","6","6","1") = "6"
    & skf21("5","4","7","1","6","6","7","1") = "6"
    & skf21("5","4","7","1","6","7","1","1") = "6"
    & skf21("5","4","7","1","6","7","2","1") = "6"
    & skf21("5","4","7","1","6","7","3","1") = "6"
    & skf21("5","4","7","1","6","7","4","1") = "6"
    & skf21("5","4","7","1","6","7","5","1") = "6"
    & skf21("5","4","7","1","6","7","6","1") = "6"
    & skf21("5","4","7","1","6","7","7","1") = "6"
    & skf21("5","4","7","1","7","1","1","1") = "6"
    & skf21("5","4","7","1","7","1","2","1") = "6"
    & skf21("5","4","7","1","7","1","3","1") = "6"
    & skf21("5","4","7","1","7","1","4","1") = "6"
    & skf21("5","4","7","1","7","1","5","1") = "6"
    & skf21("5","4","7","1","7","1","6","1") = "6"
    & skf21("5","4","7","1","7","1","7","1") = "6"
    & skf21("5","4","7","1","7","2","1","1") = "6"
    & skf21("5","4","7","1","7","2","2","1") = "6"
    & skf21("5","4","7","1","7","2","3","1") = "6"
    & skf21("5","4","7","1","7","2","4","1") = "6"
    & skf21("5","4","7","1","7","2","5","1") = "6"
    & skf21("5","4","7","1","7","2","6","1") = "6"
    & skf21("5","4","7","1","7","2","7","1") = "6"
    & skf21("5","4","7","1","7","3","1","1") = "6"
    & skf21("5","4","7","1","7","3","2","1") = "6"
    & skf21("5","4","7","1","7","3","3","1") = "6"
    & skf21("5","4","7","1","7","3","4","1") = "6"
    & skf21("5","4","7","1","7","3","5","1") = "6"
    & skf21("5","4","7","1","7","3","6","1") = "6"
    & skf21("5","4","7","1","7","3","7","1") = "6"
    & skf21("5","4","7","1","7","4","1","1") = "6"
    & skf21("5","4","7","1","7","4","2","1") = "6"
    & skf21("5","4","7","1","7","4","3","1") = "6"
    & skf21("5","4","7","1","7","4","4","1") = "6"
    & skf21("5","4","7","1","7","4","5","1") = "6"
    & skf21("5","4","7","1","7","4","6","1") = "6"
    & skf21("5","4","7","1","7","4","7","1") = "6"
    & skf21("5","4","7","1","7","5","1","1") = "6"
    & skf21("5","4","7","1","7","5","2","1") = "6"
    & skf21("5","4","7","1","7","5","3","1") = "6"
    & skf21("5","4","7","1","7","5","4","1") = "6"
    & skf21("5","4","7","1","7","5","5","1") = "6"
    & skf21("5","4","7","1","7","5","6","1") = "6"
    & skf21("5","4","7","1","7","5","7","1") = "6"
    & skf21("5","4","7","1","7","6","1","1") = "6"
    & skf21("5","4","7","1","7","6","2","1") = "6"
    & skf21("5","4","7","1","7","6","3","1") = "6"
    & skf21("5","4","7","1","7","6","4","1") = "6"
    & skf21("5","4","7","1","7","6","5","1") = "6"
    & skf21("5","4","7","1","7","6","6","1") = "6"
    & skf21("5","4","7","1","7","6","7","1") = "6"
    & skf21("5","4","7","1","7","7","1","1") = "6"
    & skf21("5","4","7","1","7","7","2","1") = "6"
    & skf21("5","4","7","1","7","7","3","1") = "6"
    & skf21("5","4","7","1","7","7","4","1") = "6"
    & skf21("5","4","7","1","7","7","5","1") = "6"
    & skf21("5","4","7","1","7","7","6","1") = "6"
    & skf21("5","4","7","1","7","7","7","1") = "6"
    & skf21("5","4","7","2","1","1","1","1") = "6"
    & skf21("5","4","7","2","1","1","2","1") = "6"
    & skf21("5","4","7","2","1","1","3","1") = "6"
    & skf21("5","4","7","2","1","1","4","1") = "6"
    & skf21("5","4","7","2","1","1","5","1") = "6"
    & skf21("5","4","7","2","1","1","6","1") = "6"
    & skf21("5","4","7","2","1","1","7","1") = "6"
    & skf21("5","4","7","2","1","2","1","1") = "6"
    & skf21("5","4","7","2","1","2","2","1") = "6"
    & skf21("5","4","7","2","1","2","3","1") = "6"
    & skf21("5","4","7","2","1","2","4","1") = "6"
    & skf21("5","4","7","2","1","2","5","1") = "6"
    & skf21("5","4","7","2","1","2","6","1") = "6"
    & skf21("5","4","7","2","1","2","7","1") = "6"
    & skf21("5","4","7","2","1","3","1","1") = "6"
    & skf21("5","4","7","2","1","3","2","1") = "6"
    & skf21("5","4","7","2","1","3","3","1") = "6"
    & skf21("5","4","7","2","1","3","4","1") = "6"
    & skf21("5","4","7","2","1","3","5","1") = "6"
    & skf21("5","4","7","2","1","3","6","1") = "6"
    & skf21("5","4","7","2","1","3","7","1") = "6"
    & skf21("5","4","7","2","1","4","1","1") = "6"
    & skf21("5","4","7","2","1","4","2","1") = "6"
    & skf21("5","4","7","2","1","4","3","1") = "6"
    & skf21("5","4","7","2","1","4","4","1") = "6"
    & skf21("5","4","7","2","1","4","5","1") = "6"
    & skf21("5","4","7","2","1","4","6","1") = "6"
    & skf21("5","4","7","2","1","4","7","1") = "6"
    & skf21("5","4","7","2","1","5","1","1") = "6"
    & skf21("5","4","7","2","1","5","2","1") = "6"
    & skf21("5","4","7","2","1","5","3","1") = "6"
    & skf21("5","4","7","2","1","5","4","1") = "6"
    & skf21("5","4","7","2","1","5","5","1") = "6"
    & skf21("5","4","7","2","1","5","6","1") = "6"
    & skf21("5","4","7","2","1","5","7","1") = "6"
    & skf21("5","4","7","2","1","6","1","1") = "6"
    & skf21("5","4","7","2","1","6","2","1") = "6"
    & skf21("5","4","7","2","1","6","3","1") = "6"
    & skf21("5","4","7","2","1","6","4","1") = "6"
    & skf21("5","4","7","2","1","6","5","1") = "6"
    & skf21("5","4","7","2","1","6","6","1") = "6"
    & skf21("5","4","7","2","1","6","7","1") = "6"
    & skf21("5","4","7","2","1","7","1","1") = "6"
    & skf21("5","4","7","2","1","7","2","1") = "6"
    & skf21("5","4","7","2","1","7","3","1") = "6"
    & skf21("5","4","7","2","1","7","4","1") = "6"
    & skf21("5","4","7","2","1","7","5","1") = "6"
    & skf21("5","4","7","2","1","7","6","1") = "6"
    & skf21("5","4","7","2","1","7","7","1") = "6"
    & skf21("5","4","7","2","2","1","1","1") = "6"
    & skf21("5","4","7","2","2","1","2","1") = "6"
    & skf21("5","4","7","2","2","1","3","1") = "6"
    & skf21("5","4","7","2","2","1","4","1") = "6"
    & skf21("5","4","7","2","2","1","5","1") = "6"
    & skf21("5","4","7","2","2","1","6","1") = "6"
    & skf21("5","4","7","2","2","1","7","1") = "6"
    & skf21("5","4","7","2","2","2","1","1") = "6"
    & skf21("5","4","7","2","2","2","2","1") = "6"
    & skf21("5","4","7","2","2","2","3","1") = "6"
    & skf21("5","4","7","2","2","2","4","1") = "6"
    & skf21("5","4","7","2","2","2","5","1") = "6"
    & skf21("5","4","7","2","2","2","6","1") = "6"
    & skf21("5","4","7","2","2","2","7","1") = "6"
    & skf21("5","4","7","2","2","3","1","1") = "6"
    & skf21("5","4","7","2","2","3","2","1") = "6"
    & skf21("5","4","7","2","2","3","3","1") = "6"
    & skf21("5","4","7","2","2","3","4","1") = "6"
    & skf21("5","4","7","2","2","3","5","1") = "6"
    & skf21("5","4","7","2","2","3","6","1") = "6"
    & skf21("5","4","7","2","2","3","7","1") = "6"
    & skf21("5","4","7","2","2","4","1","1") = "6"
    & skf21("5","4","7","2","2","4","2","1") = "6"
    & skf21("5","4","7","2","2","4","3","1") = "6"
    & skf21("5","4","7","2","2","4","4","1") = "6"
    & skf21("5","4","7","2","2","4","5","1") = "6"
    & skf21("5","4","7","2","2","4","6","1") = "6"
    & skf21("5","4","7","2","2","4","7","1") = "6"
    & skf21("5","4","7","2","2","5","1","1") = "6"
    & skf21("5","4","7","2","2","5","2","1") = "6"
    & skf21("5","4","7","2","2","5","3","1") = "6"
    & skf21("5","4","7","2","2","5","4","1") = "6"
    & skf21("5","4","7","2","2","5","5","1") = "6"
    & skf21("5","4","7","2","2","5","6","1") = "6"
    & skf21("5","4","7","2","2","5","7","1") = "6"
    & skf21("5","4","7","2","2","6","1","1") = "6"
    & skf21("5","4","7","2","2","6","2","1") = "6"
    & skf21("5","4","7","2","2","6","3","1") = "6"
    & skf21("5","4","7","2","2","6","4","1") = "6"
    & skf21("5","4","7","2","2","6","5","1") = "6"
    & skf21("5","4","7","2","2","6","6","1") = "6"
    & skf21("5","4","7","2","2","6","7","1") = "6"
    & skf21("5","4","7","2","2","7","1","1") = "6"
    & skf21("5","4","7","2","2","7","2","1") = "6"
    & skf21("5","4","7","2","2","7","3","1") = "6"
    & skf21("5","4","7","2","2","7","4","1") = "6"
    & skf21("5","4","7","2","2","7","5","1") = "6"
    & skf21("5","4","7","2","2","7","6","1") = "6"
    & skf21("5","4","7","2","2","7","7","1") = "6"
    & skf21("5","4","7","2","3","1","1","1") = "6"
    & skf21("5","4","7","2","3","1","2","1") = "6"
    & skf21("5","4","7","2","3","1","3","1") = "6"
    & skf21("5","4","7","2","3","1","4","1") = "6"
    & skf21("5","4","7","2","3","1","5","1") = "6"
    & skf21("5","4","7","2","3","1","6","1") = "6"
    & skf21("5","4","7","2","3","1","7","1") = "6"
    & skf21("5","4","7","2","3","2","1","1") = "6"
    & skf21("5","4","7","2","3","2","2","1") = "6"
    & skf21("5","4","7","2","3","2","3","1") = "6"
    & skf21("5","4","7","2","3","2","4","1") = "6"
    & skf21("5","4","7","2","3","2","5","1") = "6"
    & skf21("5","4","7","2","3","2","6","1") = "6"
    & skf21("5","4","7","2","3","2","7","1") = "6"
    & skf21("5","4","7","2","3","3","1","1") = "6"
    & skf21("5","4","7","2","3","3","2","1") = "6"
    & skf21("5","4","7","2","3","3","3","1") = "6"
    & skf21("5","4","7","2","3","3","4","1") = "6"
    & skf21("5","4","7","2","3","3","5","1") = "6"
    & skf21("5","4","7","2","3","3","6","1") = "6"
    & skf21("5","4","7","2","3","3","7","1") = "6"
    & skf21("5","4","7","2","3","4","1","1") = "6"
    & skf21("5","4","7","2","3","4","2","1") = "6"
    & skf21("5","4","7","2","3","4","3","1") = "6"
    & skf21("5","4","7","2","3","4","4","1") = "6"
    & skf21("5","4","7","2","3","4","5","1") = "6"
    & skf21("5","4","7","2","3","4","6","1") = "6"
    & skf21("5","4","7","2","3","4","7","1") = "6"
    & skf21("5","4","7","2","3","5","1","1") = "6"
    & skf21("5","4","7","2","3","5","2","1") = "6"
    & skf21("5","4","7","2","3","5","3","1") = "6"
    & skf21("5","4","7","2","3","5","4","1") = "6"
    & skf21("5","4","7","2","3","5","5","1") = "6"
    & skf21("5","4","7","2","3","5","6","1") = "6"
    & skf21("5","4","7","2","3","5","7","1") = "6"
    & skf21("5","4","7","2","3","6","1","1") = "6"
    & skf21("5","4","7","2","3","6","2","1") = "6"
    & skf21("5","4","7","2","3","6","3","1") = "6"
    & skf21("5","4","7","2","3","6","4","1") = "6"
    & skf21("5","4","7","2","3","6","5","1") = "6"
    & skf21("5","4","7","2","3","6","6","1") = "6"
    & skf21("5","4","7","2","3","6","7","1") = "6"
    & skf21("5","4","7","2","3","7","1","1") = "6"
    & skf21("5","4","7","2","3","7","2","1") = "6"
    & skf21("5","4","7","2","3","7","3","1") = "6"
    & skf21("5","4","7","2","3","7","4","1") = "6"
    & skf21("5","4","7","2","3","7","5","1") = "6"
    & skf21("5","4","7","2","3","7","6","1") = "6"
    & skf21("5","4","7","2","3","7","7","1") = "6"
    & skf21("5","4","7","2","4","1","1","1") = "6"
    & skf21("5","4","7","2","4","1","2","1") = "6"
    & skf21("5","4","7","2","4","1","3","1") = "6"
    & skf21("5","4","7","2","4","1","4","1") = "6"
    & skf21("5","4","7","2","4","1","5","1") = "6"
    & skf21("5","4","7","2","4","1","6","1") = "6"
    & skf21("5","4","7","2","4","1","7","1") = "6"
    & skf21("5","4","7","2","4","2","1","1") = "6"
    & skf21("5","4","7","2","4","2","2","1") = "6"
    & skf21("5","4","7","2","4","2","3","1") = "6"
    & skf21("5","4","7","2","4","2","4","1") = "6"
    & skf21("5","4","7","2","4","2","5","1") = "6"
    & skf21("5","4","7","2","4","2","6","1") = "6"
    & skf21("5","4","7","2","4","2","7","1") = "6"
    & skf21("5","4","7","2","4","3","1","1") = "6"
    & skf21("5","4","7","2","4","3","2","1") = "6"
    & skf21("5","4","7","2","4","3","3","1") = "6"
    & skf21("5","4","7","2","4","3","4","1") = "6"
    & skf21("5","4","7","2","4","3","5","1") = "6"
    & skf21("5","4","7","2","4","3","6","1") = "6"
    & skf21("5","4","7","2","4","3","7","1") = "6"
    & skf21("5","4","7","2","4","4","1","1") = "6"
    & skf21("5","4","7","2","4","4","2","1") = "6"
    & skf21("5","4","7","2","4","4","3","1") = "6"
    & skf21("5","4","7","2","4","4","4","1") = "6"
    & skf21("5","4","7","2","4","4","5","1") = "6"
    & skf21("5","4","7","2","4","4","6","1") = "6"
    & skf21("5","4","7","2","4","4","7","1") = "6"
    & skf21("5","4","7","2","4","5","1","1") = "6"
    & skf21("5","4","7","2","4","5","2","1") = "6"
    & skf21("5","4","7","2","4","5","3","1") = "6"
    & skf21("5","4","7","2","4","5","4","1") = "6"
    & skf21("5","4","7","2","4","5","5","1") = "6"
    & skf21("5","4","7","2","4","5","6","1") = "6"
    & skf21("5","4","7","2","4","5","7","1") = "6"
    & skf21("5","4","7","2","4","6","1","1") = "6"
    & skf21("5","4","7","2","4","6","2","1") = "6"
    & skf21("5","4","7","2","4","6","3","1") = "6"
    & skf21("5","4","7","2","4","6","4","1") = "6"
    & skf21("5","4","7","2","4","6","5","1") = "6"
    & skf21("5","4","7","2","4","6","6","1") = "6"
    & skf21("5","4","7","2","4","6","7","1") = "6"
    & skf21("5","4","7","2","4","7","1","1") = "6"
    & skf21("5","4","7","2","4","7","2","1") = "6"
    & skf21("5","4","7","2","4","7","3","1") = "6"
    & skf21("5","4","7","2","4","7","4","1") = "6"
    & skf21("5","4","7","2","4","7","5","1") = "6"
    & skf21("5","4","7","2","4","7","6","1") = "6"
    & skf21("5","4","7","2","4","7","7","1") = "6"
    & skf21("5","4","7","2","5","1","1","1") = "6"
    & skf21("5","4","7","2","5","1","2","1") = "6"
    & skf21("5","4","7","2","5","1","3","1") = "6"
    & skf21("5","4","7","2","5","1","4","1") = "6"
    & skf21("5","4","7","2","5","1","5","1") = "6"
    & skf21("5","4","7","2","5","1","6","1") = "6"
    & skf21("5","4","7","2","5","1","7","1") = "6"
    & skf21("5","4","7","2","5","2","1","1") = "6"
    & skf21("5","4","7","2","5","2","2","1") = "6"
    & skf21("5","4","7","2","5","2","3","1") = "6"
    & skf21("5","4","7","2","5","2","4","1") = "6"
    & skf21("5","4","7","2","5","2","5","1") = "6"
    & skf21("5","4","7","2","5","2","6","1") = "6"
    & skf21("5","4","7","2","5","2","7","1") = "6"
    & skf21("5","4","7","2","5","3","1","1") = "6"
    & skf21("5","4","7","2","5","3","2","1") = "6"
    & skf21("5","4","7","2","5","3","3","1") = "6"
    & skf21("5","4","7","2","5","3","4","1") = "6"
    & skf21("5","4","7","2","5","3","5","1") = "6"
    & skf21("5","4","7","2","5","3","6","1") = "6"
    & skf21("5","4","7","2","5","3","7","1") = "6"
    & skf21("5","4","7","2","5","4","1","1") = "6"
    & skf21("5","4","7","2","5","4","2","1") = "6"
    & skf21("5","4","7","2","5","4","3","1") = "6"
    & skf21("5","4","7","2","5","4","4","1") = "6"
    & skf21("5","4","7","2","5","4","5","1") = "6"
    & skf21("5","4","7","2","5","4","6","1") = "6"
    & skf21("5","4","7","2","5","4","7","1") = "6"
    & skf21("5","4","7","2","5","5","1","1") = "6"
    & skf21("5","4","7","2","5","5","2","1") = "6"
    & skf21("5","4","7","2","5","5","3","1") = "6"
    & skf21("5","4","7","2","5","5","4","1") = "6"
    & skf21("5","4","7","2","5","5","5","1") = "6"
    & skf21("5","4","7","2","5","5","6","1") = "6"
    & skf21("5","4","7","2","5","5","7","1") = "6"
    & skf21("5","4","7","2","5","6","1","1") = "6"
    & skf21("5","4","7","2","5","6","2","1") = "6"
    & skf21("5","4","7","2","5","6","3","1") = "6"
    & skf21("5","4","7","2","5","6","4","1") = "6"
    & skf21("5","4","7","2","5","6","5","1") = "6"
    & skf21("5","4","7","2","5","6","6","1") = "6"
    & skf21("5","4","7","2","5","6","7","1") = "6"
    & skf21("5","4","7","2","5","7","1","1") = "6"
    & skf21("5","4","7","2","5","7","2","1") = "6"
    & skf21("5","4","7","2","5","7","3","1") = "6"
    & skf21("5","4","7","2","5","7","4","1") = "6"
    & skf21("5","4","7","2","5","7","5","1") = "6"
    & skf21("5","4","7","2","5","7","6","1") = "6"
    & skf21("5","4","7","2","5","7","7","1") = "6"
    & skf21("5","4","7","2","6","1","1","1") = "6"
    & skf21("5","4","7","2","6","1","2","1") = "6"
    & skf21("5","4","7","2","6","1","3","1") = "6"
    & skf21("5","4","7","2","6","1","4","1") = "6"
    & skf21("5","4","7","2","6","1","5","1") = "6"
    & skf21("5","4","7","2","6","1","6","1") = "6"
    & skf21("5","4","7","2","6","1","7","1") = "6"
    & skf21("5","4","7","2","6","2","1","1") = "6"
    & skf21("5","4","7","2","6","2","2","1") = "6"
    & skf21("5","4","7","2","6","2","3","1") = "6"
    & skf21("5","4","7","2","6","2","4","1") = "6"
    & skf21("5","4","7","2","6","2","5","1") = "6"
    & skf21("5","4","7","2","6","2","6","1") = "6"
    & skf21("5","4","7","2","6","2","7","1") = "6"
    & skf21("5","4","7","2","6","3","1","1") = "6"
    & skf21("5","4","7","2","6","3","2","1") = "6"
    & skf21("5","4","7","2","6","3","3","1") = "6"
    & skf21("5","4","7","2","6","3","4","1") = "6"
    & skf21("5","4","7","2","6","3","5","1") = "6"
    & skf21("5","4","7","2","6","3","6","1") = "6"
    & skf21("5","4","7","2","6","3","7","1") = "6"
    & skf21("5","4","7","2","6","4","1","1") = "6"
    & skf21("5","4","7","2","6","4","2","1") = "6"
    & skf21("5","4","7","2","6","4","3","1") = "6"
    & skf21("5","4","7","2","6","4","4","1") = "6"
    & skf21("5","4","7","2","6","4","5","1") = "6"
    & skf21("5","4","7","2","6","4","6","1") = "6"
    & skf21("5","4","7","2","6","4","7","1") = "6"
    & skf21("5","4","7","2","6","5","1","1") = "6"
    & skf21("5","4","7","2","6","5","2","1") = "6"
    & skf21("5","4","7","2","6","5","3","1") = "6"
    & skf21("5","4","7","2","6","5","4","1") = "6"
    & skf21("5","4","7","2","6","5","5","1") = "6"
    & skf21("5","4","7","2","6","5","6","1") = "6"
    & skf21("5","4","7","2","6","5","7","1") = "6"
    & skf21("5","4","7","2","6","6","1","1") = "6"
    & skf21("5","4","7","2","6","6","2","1") = "6"
    & skf21("5","4","7","2","6","6","3","1") = "6"
    & skf21("5","4","7","2","6","6","4","1") = "6"
    & skf21("5","4","7","2","6","6","5","1") = "6"
    & skf21("5","4","7","2","6","6","6","1") = "6"
    & skf21("5","4","7","2","6","6","7","1") = "6"
    & skf21("5","4","7","2","6","7","1","1") = "6"
    & skf21("5","4","7","2","6","7","2","1") = "6"
    & skf21("5","4","7","2","6","7","3","1") = "6"
    & skf21("5","4","7","2","6","7","4","1") = "6"
    & skf21("5","4","7","2","6","7","5","1") = "6"
    & skf21("5","4","7","2","6","7","6","1") = "6"
    & skf21("5","4","7","2","6","7","7","1") = "6"
    & skf21("5","4","7","2","7","1","1","1") = "6"
    & skf21("5","4","7","2","7","1","2","1") = "6"
    & skf21("5","4","7","2","7","1","3","1") = "6"
    & skf21("5","4","7","2","7","1","4","1") = "6"
    & skf21("5","4","7","2","7","1","5","1") = "6"
    & skf21("5","4","7","2","7","1","6","1") = "6"
    & skf21("5","4","7","2","7","1","7","1") = "6"
    & skf21("5","4","7","2","7","2","1","1") = "6"
    & skf21("5","4","7","2","7","2","2","1") = "6"
    & skf21("5","4","7","2","7","2","3","1") = "6"
    & skf21("5","4","7","2","7","2","4","1") = "6"
    & skf21("5","4","7","2","7","2","5","1") = "6"
    & skf21("5","4","7","2","7","2","6","1") = "6"
    & skf21("5","4","7","2","7","2","7","1") = "6"
    & skf21("5","4","7","2","7","3","1","1") = "6"
    & skf21("5","4","7","2","7","3","2","1") = "6"
    & skf21("5","4","7","2","7","3","3","1") = "6"
    & skf21("5","4","7","2","7","3","4","1") = "6"
    & skf21("5","4","7","2","7","3","5","1") = "6"
    & skf21("5","4","7","2","7","3","6","1") = "6"
    & skf21("5","4","7","2","7","3","7","1") = "6"
    & skf21("5","4","7","2","7","4","1","1") = "6"
    & skf21("5","4","7","2","7","4","2","1") = "6"
    & skf21("5","4","7","2","7","4","3","1") = "6"
    & skf21("5","4","7","2","7","4","4","1") = "6"
    & skf21("5","4","7","2","7","4","5","1") = "6"
    & skf21("5","4","7","2","7","4","6","1") = "6"
    & skf21("5","4","7","2","7","4","7","1") = "6"
    & skf21("5","4","7","2","7","5","1","1") = "6"
    & skf21("5","4","7","2","7","5","2","1") = "6"
    & skf21("5","4","7","2","7","5","3","1") = "6"
    & skf21("5","4","7","2","7","5","4","1") = "6"
    & skf21("5","4","7","2","7","5","5","1") = "6"
    & skf21("5","4","7","2","7","5","6","1") = "6"
    & skf21("5","4","7","2","7","5","7","1") = "6"
    & skf21("5","4","7","2","7","6","1","1") = "6"
    & skf21("5","4","7","2","7","6","2","1") = "6"
    & skf21("5","4","7","2","7","6","3","1") = "6"
    & skf21("5","4","7","2","7","6","4","1") = "6"
    & skf21("5","4","7","2","7","6","5","1") = "6"
    & skf21("5","4","7","2","7","6","6","1") = "6"
    & skf21("5","4","7","2","7","6","7","1") = "6"
    & skf21("5","4","7","2","7","7","1","1") = "6"
    & skf21("5","4","7","2","7","7","2","1") = "6"
    & skf21("5","4","7","2","7","7","3","1") = "6"
    & skf21("5","4","7","2","7","7","4","1") = "6"
    & skf21("5","4","7","2","7","7","5","1") = "6"
    & skf21("5","4","7","2","7","7","6","1") = "6"
    & skf21("5","4","7","2","7","7","7","1") = "6"
    & skf21("5","4","7","3","1","1","1","1") = "6"
    & skf21("5","4","7","3","1","1","2","1") = "6"
    & skf21("5","4","7","3","1","1","3","1") = "6"
    & skf21("5","4","7","3","1","1","4","1") = "6"
    & skf21("5","4","7","3","1","1","5","1") = "6"
    & skf21("5","4","7","3","1","1","6","1") = "6"
    & skf21("5","4","7","3","1","1","7","1") = "6"
    & skf21("5","4","7","3","1","2","1","1") = "6"
    & skf21("5","4","7","3","1","2","2","1") = "6"
    & skf21("5","4","7","3","1","2","3","1") = "6"
    & skf21("5","4","7","3","1","2","4","1") = "6"
    & skf21("5","4","7","3","1","2","5","1") = "6"
    & skf21("5","4","7","3","1","2","6","1") = "6"
    & skf21("5","4","7","3","1","2","7","1") = "6"
    & skf21("5","4","7","3","1","3","1","1") = "6"
    & skf21("5","4","7","3","1","3","2","1") = "6"
    & skf21("5","4","7","3","1","3","3","1") = "6"
    & skf21("5","4","7","3","1","3","4","1") = "6"
    & skf21("5","4","7","3","1","3","5","1") = "6"
    & skf21("5","4","7","3","1","3","6","1") = "6"
    & skf21("5","4","7","3","1","3","7","1") = "6"
    & skf21("5","4","7","3","1","4","1","1") = "6"
    & skf21("5","4","7","3","1","4","2","1") = "6"
    & skf21("5","4","7","3","1","4","3","1") = "6"
    & skf21("5","4","7","3","1","4","4","1") = "6"
    & skf21("5","4","7","3","1","4","5","1") = "6"
    & skf21("5","4","7","3","1","4","6","1") = "6"
    & skf21("5","4","7","3","1","4","7","1") = "6"
    & skf21("5","4","7","3","1","5","1","1") = "6"
    & skf21("5","4","7","3","1","5","2","1") = "6"
    & skf21("5","4","7","3","1","5","3","1") = "6"
    & skf21("5","4","7","3","1","5","4","1") = "6"
    & skf21("5","4","7","3","1","5","5","1") = "6"
    & skf21("5","4","7","3","1","5","6","1") = "6"
    & skf21("5","4","7","3","1","5","7","1") = "6"
    & skf21("5","4","7","3","1","6","1","1") = "6"
    & skf21("5","4","7","3","1","6","2","1") = "6"
    & skf21("5","4","7","3","1","6","3","1") = "6"
    & skf21("5","4","7","3","1","6","4","1") = "6"
    & skf21("5","4","7","3","1","6","5","1") = "6"
    & skf21("5","4","7","3","1","6","6","1") = "6"
    & skf21("5","4","7","3","1","6","7","1") = "6"
    & skf21("5","4","7","3","1","7","1","1") = "6"
    & skf21("5","4","7","3","1","7","2","1") = "6"
    & skf21("5","4","7","3","1","7","3","1") = "6"
    & skf21("5","4","7","3","1","7","4","1") = "6"
    & skf21("5","4","7","3","1","7","5","1") = "6"
    & skf21("5","4","7","3","1","7","6","1") = "6"
    & skf21("5","4","7","3","1","7","7","1") = "6"
    & skf21("5","4","7","3","2","1","1","1") = "6"
    & skf21("5","4","7","3","2","1","2","1") = "6"
    & skf21("5","4","7","3","2","1","3","1") = "6"
    & skf21("5","4","7","3","2","1","4","1") = "6"
    & skf21("5","4","7","3","2","1","5","1") = "6"
    & skf21("5","4","7","3","2","1","6","1") = "6"
    & skf21("5","4","7","3","2","1","7","1") = "6"
    & skf21("5","4","7","3","2","2","1","1") = "6"
    & skf21("5","4","7","3","2","2","2","1") = "6"
    & skf21("5","4","7","3","2","2","3","1") = "6"
    & skf21("5","4","7","3","2","2","4","1") = "6"
    & skf21("5","4","7","3","2","2","5","1") = "6"
    & skf21("5","4","7","3","2","2","6","1") = "6"
    & skf21("5","4","7","3","2","2","7","1") = "6"
    & skf21("5","4","7","3","2","3","1","1") = "6"
    & skf21("5","4","7","3","2","3","2","1") = "6"
    & skf21("5","4","7","3","2","3","3","1") = "6"
    & skf21("5","4","7","3","2","3","4","1") = "6"
    & skf21("5","4","7","3","2","3","5","1") = "6"
    & skf21("5","4","7","3","2","3","6","1") = "6"
    & skf21("5","4","7","3","2","3","7","1") = "6"
    & skf21("5","4","7","3","2","4","1","1") = "6"
    & skf21("5","4","7","3","2","4","2","1") = "6"
    & skf21("5","4","7","3","2","4","3","1") = "6"
    & skf21("5","4","7","3","2","4","4","1") = "6"
    & skf21("5","4","7","3","2","4","5","1") = "6"
    & skf21("5","4","7","3","2","4","6","1") = "6"
    & skf21("5","4","7","3","2","4","7","1") = "6"
    & skf21("5","4","7","3","2","5","1","1") = "6"
    & skf21("5","4","7","3","2","5","2","1") = "6"
    & skf21("5","4","7","3","2","5","3","1") = "6"
    & skf21("5","4","7","3","2","5","4","1") = "6"
    & skf21("5","4","7","3","2","5","5","1") = "6"
    & skf21("5","4","7","3","2","5","6","1") = "6"
    & skf21("5","4","7","3","2","5","7","1") = "6"
    & skf21("5","4","7","3","2","6","1","1") = "6"
    & skf21("5","4","7","3","2","6","2","1") = "6"
    & skf21("5","4","7","3","2","6","3","1") = "6"
    & skf21("5","4","7","3","2","6","4","1") = "6"
    & skf21("5","4","7","3","2","6","5","1") = "6"
    & skf21("5","4","7","3","2","6","6","1") = "6"
    & skf21("5","4","7","3","2","6","7","1") = "6"
    & skf21("5","4","7","3","2","7","1","1") = "6"
    & skf21("5","4","7","3","2","7","2","1") = "6"
    & skf21("5","4","7","3","2","7","3","1") = "6"
    & skf21("5","4","7","3","2","7","4","1") = "6"
    & skf21("5","4","7","3","2","7","5","1") = "6"
    & skf21("5","4","7","3","2","7","6","1") = "6"
    & skf21("5","4","7","3","2","7","7","1") = "6"
    & skf21("5","4","7","3","3","1","1","1") = "6"
    & skf21("5","4","7","3","3","1","2","1") = "6"
    & skf21("5","4","7","3","3","1","3","1") = "6"
    & skf21("5","4","7","3","3","1","4","1") = "6"
    & skf21("5","4","7","3","3","1","5","1") = "6"
    & skf21("5","4","7","3","3","1","6","1") = "6"
    & skf21("5","4","7","3","3","1","7","1") = "6"
    & skf21("5","4","7","3","3","2","1","1") = "6"
    & skf21("5","4","7","3","3","2","2","1") = "6"
    & skf21("5","4","7","3","3","2","3","1") = "6"
    & skf21("5","4","7","3","3","2","4","1") = "6"
    & skf21("5","4","7","3","3","2","5","1") = "6"
    & skf21("5","4","7","3","3","2","6","1") = "6"
    & skf21("5","4","7","3","3","2","7","1") = "6"
    & skf21("5","4","7","3","3","3","1","1") = "6"
    & skf21("5","4","7","3","3","3","2","1") = "6"
    & skf21("5","4","7","3","3","3","3","1") = "6"
    & skf21("5","4","7","3","3","3","4","1") = "6"
    & skf21("5","4","7","3","3","3","5","1") = "6"
    & skf21("5","4","7","3","3","3","6","1") = "6"
    & skf21("5","4","7","3","3","3","7","1") = "6"
    & skf21("5","4","7","3","3","4","1","1") = "6"
    & skf21("5","4","7","3","3","4","2","1") = "6"
    & skf21("5","4","7","3","3","4","3","1") = "6"
    & skf21("5","4","7","3","3","4","4","1") = "6"
    & skf21("5","4","7","3","3","4","5","1") = "6"
    & skf21("5","4","7","3","3","4","6","1") = "6"
    & skf21("5","4","7","3","3","4","7","1") = "6"
    & skf21("5","4","7","3","3","5","1","1") = "6"
    & skf21("5","4","7","3","3","5","2","1") = "6"
    & skf21("5","4","7","3","3","5","3","1") = "6"
    & skf21("5","4","7","3","3","5","4","1") = "6"
    & skf21("5","4","7","3","3","5","5","1") = "6"
    & skf21("5","4","7","3","3","5","6","1") = "6"
    & skf21("5","4","7","3","3","5","7","1") = "6"
    & skf21("5","4","7","3","3","6","1","1") = "6"
    & skf21("5","4","7","3","3","6","2","1") = "6"
    & skf21("5","4","7","3","3","6","3","1") = "6"
    & skf21("5","4","7","3","3","6","4","1") = "6"
    & skf21("5","4","7","3","3","6","5","1") = "6"
    & skf21("5","4","7","3","3","6","6","1") = "6"
    & skf21("5","4","7","3","3","6","7","1") = "6"
    & skf21("5","4","7","3","3","7","1","1") = "6"
    & skf21("5","4","7","3","3","7","2","1") = "6"
    & skf21("5","4","7","3","3","7","3","1") = "6"
    & skf21("5","4","7","3","3","7","4","1") = "6"
    & skf21("5","4","7","3","3","7","5","1") = "6"
    & skf21("5","4","7","3","3","7","6","1") = "6"
    & skf21("5","4","7","3","3","7","7","1") = "6"
    & skf21("5","4","7","3","4","1","1","1") = "6"
    & skf21("5","4","7","3","4","1","2","1") = "6"
    & skf21("5","4","7","3","4","1","3","1") = "6"
    & skf21("5","4","7","3","4","1","4","1") = "6"
    & skf21("5","4","7","3","4","1","5","1") = "6"
    & skf21("5","4","7","3","4","1","6","1") = "6"
    & skf21("5","4","7","3","4","1","7","1") = "6"
    & skf21("5","4","7","3","4","2","1","1") = "6"
    & skf21("5","4","7","3","4","2","2","1") = "6"
    & skf21("5","4","7","3","4","2","3","1") = "6"
    & skf21("5","4","7","3","4","2","4","1") = "6"
    & skf21("5","4","7","3","4","2","5","1") = "6"
    & skf21("5","4","7","3","4","2","6","1") = "6"
    & skf21("5","4","7","3","4","2","7","1") = "6"
    & skf21("5","4","7","3","4","3","1","1") = "6"
    & skf21("5","4","7","3","4","3","2","1") = "6"
    & skf21("5","4","7","3","4","3","3","1") = "6"
    & skf21("5","4","7","3","4","3","4","1") = "6"
    & skf21("5","4","7","3","4","3","5","1") = "6"
    & skf21("5","4","7","3","4","3","6","1") = "6"
    & skf21("5","4","7","3","4","3","7","1") = "6"
    & skf21("5","4","7","3","4","4","1","1") = "6"
    & skf21("5","4","7","3","4","4","2","1") = "6"
    & skf21("5","4","7","3","4","4","3","1") = "6"
    & skf21("5","4","7","3","4","4","4","1") = "6"
    & skf21("5","4","7","3","4","4","5","1") = "6"
    & skf21("5","4","7","3","4","4","6","1") = "6"
    & skf21("5","4","7","3","4","4","7","1") = "6"
    & skf21("5","4","7","3","4","5","1","1") = "6"
    & skf21("5","4","7","3","4","5","2","1") = "6"
    & skf21("5","4","7","3","4","5","3","1") = "6"
    & skf21("5","4","7","3","4","5","4","1") = "6"
    & skf21("5","4","7","3","4","5","5","1") = "6"
    & skf21("5","4","7","3","4","5","6","1") = "6"
    & skf21("5","4","7","3","4","5","7","1") = "6"
    & skf21("5","4","7","3","4","6","1","1") = "6"
    & skf21("5","4","7","3","4","6","2","1") = "6"
    & skf21("5","4","7","3","4","6","3","1") = "6"
    & skf21("5","4","7","3","4","6","4","1") = "6"
    & skf21("5","4","7","3","4","6","5","1") = "6"
    & skf21("5","4","7","3","4","6","6","1") = "6"
    & skf21("5","4","7","3","4","6","7","1") = "6"
    & skf21("5","4","7","3","4","7","1","1") = "6"
    & skf21("5","4","7","3","4","7","2","1") = "6"
    & skf21("5","4","7","3","4","7","3","1") = "6"
    & skf21("5","4","7","3","4","7","4","1") = "6"
    & skf21("5","4","7","3","4","7","5","1") = "6"
    & skf21("5","4","7","3","4","7","6","1") = "6"
    & skf21("5","4","7","3","4","7","7","1") = "6"
    & skf21("5","4","7","3","5","1","1","1") = "6"
    & skf21("5","4","7","3","5","1","2","1") = "6"
    & skf21("5","4","7","3","5","1","3","1") = "6"
    & skf21("5","4","7","3","5","1","4","1") = "6"
    & skf21("5","4","7","3","5","1","5","1") = "6"
    & skf21("5","4","7","3","5","1","6","1") = "6"
    & skf21("5","4","7","3","5","1","7","1") = "6"
    & skf21("5","4","7","3","5","2","1","1") = "6"
    & skf21("5","4","7","3","5","2","2","1") = "6"
    & skf21("5","4","7","3","5","2","3","1") = "6"
    & skf21("5","4","7","3","5","2","4","1") = "6"
    & skf21("5","4","7","3","5","2","5","1") = "6"
    & skf21("5","4","7","3","5","2","6","1") = "6"
    & skf21("5","4","7","3","5","2","7","1") = "6"
    & skf21("5","4","7","3","5","3","1","1") = "6"
    & skf21("5","4","7","3","5","3","2","1") = "6"
    & skf21("5","4","7","3","5","3","3","1") = "6"
    & skf21("5","4","7","3","5","3","4","1") = "6"
    & skf21("5","4","7","3","5","3","5","1") = "6"
    & skf21("5","4","7","3","5","3","6","1") = "6"
    & skf21("5","4","7","3","5","3","7","1") = "6"
    & skf21("5","4","7","3","5","4","1","1") = "6"
    & skf21("5","4","7","3","5","4","2","1") = "6"
    & skf21("5","4","7","3","5","4","3","1") = "6"
    & skf21("5","4","7","3","5","4","4","1") = "6"
    & skf21("5","4","7","3","5","4","5","1") = "6"
    & skf21("5","4","7","3","5","4","6","1") = "6"
    & skf21("5","4","7","3","5","4","7","1") = "6"
    & skf21("5","4","7","3","5","5","1","1") = "6"
    & skf21("5","4","7","3","5","5","2","1") = "6"
    & skf21("5","4","7","3","5","5","3","1") = "6"
    & skf21("5","4","7","3","5","5","4","1") = "6"
    & skf21("5","4","7","3","5","5","5","1") = "6"
    & skf21("5","4","7","3","5","5","6","1") = "6"
    & skf21("5","4","7","3","5","5","7","1") = "6"
    & skf21("5","4","7","3","5","6","1","1") = "6"
    & skf21("5","4","7","3","5","6","2","1") = "6"
    & skf21("5","4","7","3","5","6","3","1") = "6"
    & skf21("5","4","7","3","5","6","4","1") = "6"
    & skf21("5","4","7","3","5","6","5","1") = "6"
    & skf21("5","4","7","3","5","6","6","1") = "6"
    & skf21("5","4","7","3","5","6","7","1") = "6"
    & skf21("5","4","7","3","5","7","1","1") = "6"
    & skf21("5","4","7","3","5","7","2","1") = "6"
    & skf21("5","4","7","3","5","7","3","1") = "6"
    & skf21("5","4","7","3","5","7","4","1") = "6"
    & skf21("5","4","7","3","5","7","5","1") = "6"
    & skf21("5","4","7","3","5","7","6","1") = "6"
    & skf21("5","4","7","3","5","7","7","1") = "6"
    & skf21("5","4","7","3","6","1","1","1") = "6"
    & skf21("5","4","7","3","6","1","2","1") = "6"
    & skf21("5","4","7","3","6","1","3","1") = "6"
    & skf21("5","4","7","3","6","1","4","1") = "6"
    & skf21("5","4","7","3","6","1","5","1") = "6"
    & skf21("5","4","7","3","6","1","6","1") = "6"
    & skf21("5","4","7","3","6","1","7","1") = "6"
    & skf21("5","4","7","3","6","2","1","1") = "6"
    & skf21("5","4","7","3","6","2","2","1") = "6"
    & skf21("5","4","7","3","6","2","3","1") = "6"
    & skf21("5","4","7","3","6","2","4","1") = "6"
    & skf21("5","4","7","3","6","2","5","1") = "6"
    & skf21("5","4","7","3","6","2","6","1") = "6"
    & skf21("5","4","7","3","6","2","7","1") = "6"
    & skf21("5","4","7","3","6","3","1","1") = "6"
    & skf21("5","4","7","3","6","3","2","1") = "6"
    & skf21("5","4","7","3","6","3","3","1") = "6"
    & skf21("5","4","7","3","6","3","4","1") = "6"
    & skf21("5","4","7","3","6","3","5","1") = "6"
    & skf21("5","4","7","3","6","3","6","1") = "6"
    & skf21("5","4","7","3","6","3","7","1") = "6"
    & skf21("5","4","7","3","6","4","1","1") = "6"
    & skf21("5","4","7","3","6","4","2","1") = "6"
    & skf21("5","4","7","3","6","4","3","1") = "6"
    & skf21("5","4","7","3","6","4","4","1") = "6"
    & skf21("5","4","7","3","6","4","5","1") = "6"
    & skf21("5","4","7","3","6","4","6","1") = "6"
    & skf21("5","4","7","3","6","4","7","1") = "6"
    & skf21("5","4","7","3","6","5","1","1") = "6"
    & skf21("5","4","7","3","6","5","2","1") = "6"
    & skf21("5","4","7","3","6","5","3","1") = "6"
    & skf21("5","4","7","3","6","5","4","1") = "6"
    & skf21("5","4","7","3","6","5","5","1") = "6"
    & skf21("5","4","7","3","6","5","6","1") = "6"
    & skf21("5","4","7","3","6","5","7","1") = "6"
    & skf21("5","4","7","3","6","6","1","1") = "6"
    & skf21("5","4","7","3","6","6","2","1") = "6"
    & skf21("5","4","7","3","6","6","3","1") = "6"
    & skf21("5","4","7","3","6","6","4","1") = "6"
    & skf21("5","4","7","3","6","6","5","1") = "6"
    & skf21("5","4","7","3","6","6","6","1") = "6"
    & skf21("5","4","7","3","6","6","7","1") = "6"
    & skf21("5","4","7","3","6","7","1","1") = "6"
    & skf21("5","4","7","3","6","7","2","1") = "6"
    & skf21("5","4","7","3","6","7","3","1") = "6"
    & skf21("5","4","7","3","6","7","4","1") = "6"
    & skf21("5","4","7","3","6","7","5","1") = "6"
    & skf21("5","4","7","3","6","7","6","1") = "6"
    & skf21("5","4","7","3","6","7","7","1") = "6"
    & skf21("5","4","7","3","7","1","1","1") = "6"
    & skf21("5","4","7","3","7","1","2","1") = "6"
    & skf21("5","4","7","3","7","1","3","1") = "6"
    & skf21("5","4","7","3","7","1","4","1") = "6"
    & skf21("5","4","7","3","7","1","5","1") = "6"
    & skf21("5","4","7","3","7","1","6","1") = "6"
    & skf21("5","4","7","3","7","1","7","1") = "6"
    & skf21("5","4","7","3","7","2","1","1") = "6"
    & skf21("5","4","7","3","7","2","2","1") = "6"
    & skf21("5","4","7","3","7","2","3","1") = "6"
    & skf21("5","4","7","3","7","2","4","1") = "6"
    & skf21("5","4","7","3","7","2","5","1") = "6"
    & skf21("5","4","7","3","7","2","6","1") = "6"
    & skf21("5","4","7","3","7","2","7","1") = "6"
    & skf21("5","4","7","3","7","3","1","1") = "6"
    & skf21("5","4","7","3","7","3","2","1") = "6"
    & skf21("5","4","7","3","7","3","3","1") = "6"
    & skf21("5","4","7","3","7","3","4","1") = "6"
    & skf21("5","4","7","3","7","3","5","1") = "6"
    & skf21("5","4","7","3","7","3","6","1") = "6"
    & skf21("5","4","7","3","7","3","7","1") = "6"
    & skf21("5","4","7","3","7","4","1","1") = "6"
    & skf21("5","4","7","3","7","4","2","1") = "6"
    & skf21("5","4","7","3","7","4","3","1") = "6"
    & skf21("5","4","7","3","7","4","4","1") = "6"
    & skf21("5","4","7","3","7","4","5","1") = "6"
    & skf21("5","4","7","3","7","4","6","1") = "6"
    & skf21("5","4","7","3","7","4","7","1") = "6"
    & skf21("5","4","7","3","7","5","1","1") = "6"
    & skf21("5","4","7","3","7","5","2","1") = "6"
    & skf21("5","4","7","3","7","5","3","1") = "6"
    & skf21("5","4","7","3","7","5","4","1") = "6"
    & skf21("5","4","7","3","7","5","5","1") = "6"
    & skf21("5","4","7","3","7","5","6","1") = "6"
    & skf21("5","4","7","3","7","5","7","1") = "6"
    & skf21("5","4","7","3","7","6","1","1") = "6"
    & skf21("5","4","7","3","7","6","2","1") = "6"
    & skf21("5","4","7","3","7","6","3","1") = "6"
    & skf21("5","4","7","3","7","6","4","1") = "6"
    & skf21("5","4","7","3","7","6","5","1") = "6"
    & skf21("5","4","7","3","7","6","6","1") = "6"
    & skf21("5","4","7","3","7","6","7","1") = "6"
    & skf21("5","4","7","3","7","7","1","1") = "6"
    & skf21("5","4","7","3","7","7","2","1") = "6"
    & skf21("5","4","7","3","7","7","3","1") = "6"
    & skf21("5","4","7","3","7","7","4","1") = "6"
    & skf21("5","4","7","3","7","7","5","1") = "6"
    & skf21("5","4","7","3","7","7","6","1") = "6"
    & skf21("5","4","7","3","7","7","7","1") = "6"
    & skf21("5","4","7","4","1","1","1","1") = "6"
    & skf21("5","4","7","4","1","1","2","1") = "6"
    & skf21("5","4","7","4","1","1","3","1") = "6"
    & skf21("5","4","7","4","1","1","4","1") = "6"
    & skf21("5","4","7","4","1","1","5","1") = "6"
    & skf21("5","4","7","4","1","1","6","1") = "6"
    & skf21("5","4","7","4","1","1","7","1") = "6"
    & skf21("5","4","7","4","1","2","1","1") = "6"
    & skf21("5","4","7","4","1","2","2","1") = "6"
    & skf21("5","4","7","4","1","2","3","1") = "6"
    & skf21("5","4","7","4","1","2","4","1") = "6"
    & skf21("5","4","7","4","1","2","5","1") = "6"
    & skf21("5","4","7","4","1","2","6","1") = "6"
    & skf21("5","4","7","4","1","2","7","1") = "6"
    & skf21("5","4","7","4","1","3","1","1") = "6"
    & skf21("5","4","7","4","1","3","2","1") = "6"
    & skf21("5","4","7","4","1","3","3","1") = "6"
    & skf21("5","4","7","4","1","3","4","1") = "6"
    & skf21("5","4","7","4","1","3","5","1") = "6"
    & skf21("5","4","7","4","1","3","6","1") = "6"
    & skf21("5","4","7","4","1","3","7","1") = "6"
    & skf21("5","4","7","4","1","4","1","1") = "6"
    & skf21("5","4","7","4","1","4","2","1") = "6"
    & skf21("5","4","7","4","1","4","3","1") = "6"
    & skf21("5","4","7","4","1","4","4","1") = "6"
    & skf21("5","4","7","4","1","4","5","1") = "6"
    & skf21("5","4","7","4","1","4","6","1") = "6"
    & skf21("5","4","7","4","1","4","7","1") = "6"
    & skf21("5","4","7","4","1","5","1","1") = "6"
    & skf21("5","4","7","4","1","5","2","1") = "6"
    & skf21("5","4","7","4","1","5","3","1") = "6"
    & skf21("5","4","7","4","1","5","4","1") = "6"
    & skf21("5","4","7","4","1","5","5","1") = "6"
    & skf21("5","4","7","4","1","5","6","1") = "6"
    & skf21("5","4","7","4","1","5","7","1") = "6"
    & skf21("5","4","7","4","1","6","1","1") = "6"
    & skf21("5","4","7","4","1","6","2","1") = "6"
    & skf21("5","4","7","4","1","6","3","1") = "6"
    & skf21("5","4","7","4","1","6","4","1") = "6"
    & skf21("5","4","7","4","1","6","5","1") = "6"
    & skf21("5","4","7","4","1","6","6","1") = "6"
    & skf21("5","4","7","4","1","6","7","1") = "6"
    & skf21("5","4","7","4","1","7","1","1") = "6"
    & skf21("5","4","7","4","1","7","2","1") = "6"
    & skf21("5","4","7","4","1","7","3","1") = "6"
    & skf21("5","4","7","4","1","7","4","1") = "6"
    & skf21("5","4","7","4","1","7","5","1") = "6"
    & skf21("5","4","7","4","1","7","6","1") = "6"
    & skf21("5","4","7","4","1","7","7","1") = "6"
    & skf21("5","4","7","4","2","1","1","1") = "6"
    & skf21("5","4","7","4","2","1","2","1") = "6"
    & skf21("5","4","7","4","2","1","3","1") = "6"
    & skf21("5","4","7","4","2","1","4","1") = "6"
    & skf21("5","4","7","4","2","1","5","1") = "6"
    & skf21("5","4","7","4","2","1","6","1") = "6"
    & skf21("5","4","7","4","2","1","7","1") = "6"
    & skf21("5","4","7","4","2","2","1","1") = "6"
    & skf21("5","4","7","4","2","2","2","1") = "6"
    & skf21("5","4","7","4","2","2","3","1") = "6"
    & skf21("5","4","7","4","2","2","4","1") = "6"
    & skf21("5","4","7","4","2","2","5","1") = "6"
    & skf21("5","4","7","4","2","2","6","1") = "6"
    & skf21("5","4","7","4","2","2","7","1") = "6"
    & skf21("5","4","7","4","2","3","1","1") = "6"
    & skf21("5","4","7","4","2","3","2","1") = "6"
    & skf21("5","4","7","4","2","3","3","1") = "6"
    & skf21("5","4","7","4","2","3","4","1") = "6"
    & skf21("5","4","7","4","2","3","5","1") = "6"
    & skf21("5","4","7","4","2","3","6","1") = "6"
    & skf21("5","4","7","4","2","3","7","1") = "6"
    & skf21("5","4","7","4","2","4","1","1") = "6"
    & skf21("5","4","7","4","2","4","2","1") = "6"
    & skf21("5","4","7","4","2","4","3","1") = "6"
    & skf21("5","4","7","4","2","4","4","1") = "6"
    & skf21("5","4","7","4","2","4","5","1") = "6"
    & skf21("5","4","7","4","2","4","6","1") = "6"
    & skf21("5","4","7","4","2","4","7","1") = "6"
    & skf21("5","4","7","4","2","5","1","1") = "6"
    & skf21("5","4","7","4","2","5","2","1") = "6"
    & skf21("5","4","7","4","2","5","3","1") = "6"
    & skf21("5","4","7","4","2","5","4","1") = "6"
    & skf21("5","4","7","4","2","5","5","1") = "6"
    & skf21("5","4","7","4","2","5","6","1") = "6"
    & skf21("5","4","7","4","2","5","7","1") = "6"
    & skf21("5","4","7","4","2","6","1","1") = "6"
    & skf21("5","4","7","4","2","6","2","1") = "6"
    & skf21("5","4","7","4","2","6","3","1") = "6"
    & skf21("5","4","7","4","2","6","4","1") = "6"
    & skf21("5","4","7","4","2","6","5","1") = "6"
    & skf21("5","4","7","4","2","6","6","1") = "6"
    & skf21("5","4","7","4","2","6","7","1") = "6"
    & skf21("5","4","7","4","2","7","1","1") = "6"
    & skf21("5","4","7","4","2","7","2","1") = "6"
    & skf21("5","4","7","4","2","7","3","1") = "6"
    & skf21("5","4","7","4","2","7","4","1") = "6"
    & skf21("5","4","7","4","2","7","5","1") = "6"
    & skf21("5","4","7","4","2","7","6","1") = "6"
    & skf21("5","4","7","4","2","7","7","1") = "6"
    & skf21("5","4","7","4","3","1","1","1") = "6"
    & skf21("5","4","7","4","3","1","2","1") = "6"
    & skf21("5","4","7","4","3","1","3","1") = "6"
    & skf21("5","4","7","4","3","1","4","1") = "6"
    & skf21("5","4","7","4","3","1","5","1") = "6"
    & skf21("5","4","7","4","3","1","6","1") = "6"
    & skf21("5","4","7","4","3","1","7","1") = "6"
    & skf21("5","4","7","4","3","2","1","1") = "6"
    & skf21("5","4","7","4","3","2","2","1") = "6"
    & skf21("5","4","7","4","3","2","3","1") = "6"
    & skf21("5","4","7","4","3","2","4","1") = "6"
    & skf21("5","4","7","4","3","2","5","1") = "6"
    & skf21("5","4","7","4","3","2","6","1") = "6"
    & skf21("5","4","7","4","3","2","7","1") = "6"
    & skf21("5","4","7","4","3","3","1","1") = "6"
    & skf21("5","4","7","4","3","3","2","1") = "6"
    & skf21("5","4","7","4","3","3","3","1") = "6"
    & skf21("5","4","7","4","3","3","4","1") = "6"
    & skf21("5","4","7","4","3","3","5","1") = "6"
    & skf21("5","4","7","4","3","3","6","1") = "6"
    & skf21("5","4","7","4","3","3","7","1") = "6"
    & skf21("5","4","7","4","3","4","1","1") = "6"
    & skf21("5","4","7","4","3","4","2","1") = "6"
    & skf21("5","4","7","4","3","4","3","1") = "6"
    & skf21("5","4","7","4","3","4","4","1") = "6"
    & skf21("5","4","7","4","3","4","5","1") = "6"
    & skf21("5","4","7","4","3","4","6","1") = "6"
    & skf21("5","4","7","4","3","4","7","1") = "6"
    & skf21("5","4","7","4","3","5","1","1") = "6"
    & skf21("5","4","7","4","3","5","2","1") = "6"
    & skf21("5","4","7","4","3","5","3","1") = "6"
    & skf21("5","4","7","4","3","5","4","1") = "6"
    & skf21("5","4","7","4","3","5","5","1") = "6"
    & skf21("5","4","7","4","3","5","6","1") = "6"
    & skf21("5","4","7","4","3","5","7","1") = "6"
    & skf21("5","4","7","4","3","6","1","1") = "6"
    & skf21("5","4","7","4","3","6","2","1") = "6"
    & skf21("5","4","7","4","3","6","3","1") = "6"
    & skf21("5","4","7","4","3","6","4","1") = "6"
    & skf21("5","4","7","4","3","6","5","1") = "6"
    & skf21("5","4","7","4","3","6","6","1") = "6"
    & skf21("5","4","7","4","3","6","7","1") = "6"
    & skf21("5","4","7","4","3","7","1","1") = "6"
    & skf21("5","4","7","4","3","7","2","1") = "6"
    & skf21("5","4","7","4","3","7","3","1") = "6"
    & skf21("5","4","7","4","3","7","4","1") = "6"
    & skf21("5","4","7","4","3","7","5","1") = "6"
    & skf21("5","4","7","4","3","7","6","1") = "6"
    & skf21("5","4","7","4","3","7","7","1") = "6"
    & skf21("5","4","7","4","4","1","1","1") = "6"
    & skf21("5","4","7","4","4","1","2","1") = "6"
    & skf21("5","4","7","4","4","1","3","1") = "6"
    & skf21("5","4","7","4","4","1","4","1") = "6"
    & skf21("5","4","7","4","4","1","5","1") = "6"
    & skf21("5","4","7","4","4","1","6","1") = "6"
    & skf21("5","4","7","4","4","1","7","1") = "6"
    & skf21("5","4","7","4","4","2","1","1") = "6"
    & skf21("5","4","7","4","4","2","2","1") = "6"
    & skf21("5","4","7","4","4","2","3","1") = "6"
    & skf21("5","4","7","4","4","2","4","1") = "6"
    & skf21("5","4","7","4","4","2","5","1") = "6"
    & skf21("5","4","7","4","4","2","6","1") = "6"
    & skf21("5","4","7","4","4","2","7","1") = "6"
    & skf21("5","4","7","4","4","3","1","1") = "6"
    & skf21("5","4","7","4","4","3","2","1") = "6"
    & skf21("5","4","7","4","4","3","3","1") = "6"
    & skf21("5","4","7","4","4","3","4","1") = "6"
    & skf21("5","4","7","4","4","3","5","1") = "6"
    & skf21("5","4","7","4","4","3","6","1") = "6"
    & skf21("5","4","7","4","4","3","7","1") = "6"
    & skf21("5","4","7","4","4","4","1","1") = "6"
    & skf21("5","4","7","4","4","4","2","1") = "6"
    & skf21("5","4","7","4","4","4","3","1") = "6"
    & skf21("5","4","7","4","4","4","4","1") = "6"
    & skf21("5","4","7","4","4","4","5","1") = "6"
    & skf21("5","4","7","4","4","4","6","1") = "6"
    & skf21("5","4","7","4","4","4","7","1") = "6"
    & skf21("5","4","7","4","4","5","1","1") = "6"
    & skf21("5","4","7","4","4","5","2","1") = "6"
    & skf21("5","4","7","4","4","5","3","1") = "6"
    & skf21("5","4","7","4","4","5","4","1") = "6"
    & skf21("5","4","7","4","4","5","5","1") = "6"
    & skf21("5","4","7","4","4","5","6","1") = "6"
    & skf21("5","4","7","4","4","5","7","1") = "6"
    & skf21("5","4","7","4","4","6","1","1") = "6"
    & skf21("5","4","7","4","4","6","2","1") = "6"
    & skf21("5","4","7","4","4","6","3","1") = "6"
    & skf21("5","4","7","4","4","6","4","1") = "6"
    & skf21("5","4","7","4","4","6","5","1") = "6"
    & skf21("5","4","7","4","4","6","6","1") = "6"
    & skf21("5","4","7","4","4","6","7","1") = "6"
    & skf21("5","4","7","4","4","7","1","1") = "6"
    & skf21("5","4","7","4","4","7","2","1") = "6"
    & skf21("5","4","7","4","4","7","3","1") = "6"
    & skf21("5","4","7","4","4","7","4","1") = "6"
    & skf21("5","4","7","4","4","7","5","1") = "6"
    & skf21("5","4","7","4","4","7","6","1") = "6"
    & skf21("5","4","7","4","4","7","7","1") = "6"
    & skf21("5","4","7","4","5","1","1","1") = "6"
    & skf21("5","4","7","4","5","1","2","1") = "6"
    & skf21("5","4","7","4","5","1","3","1") = "6"
    & skf21("5","4","7","4","5","1","4","1") = "6"
    & skf21("5","4","7","4","5","1","5","1") = "6"
    & skf21("5","4","7","4","5","1","6","1") = "6"
    & skf21("5","4","7","4","5","1","7","1") = "6"
    & skf21("5","4","7","4","5","2","1","1") = "6"
    & skf21("5","4","7","4","5","2","2","1") = "6"
    & skf21("5","4","7","4","5","2","3","1") = "6"
    & skf21("5","4","7","4","5","2","4","1") = "6"
    & skf21("5","4","7","4","5","2","5","1") = "6"
    & skf21("5","4","7","4","5","2","6","1") = "6"
    & skf21("5","4","7","4","5","2","7","1") = "6"
    & skf21("5","4","7","4","5","3","1","1") = "6"
    & skf21("5","4","7","4","5","3","2","1") = "6"
    & skf21("5","4","7","4","5","3","3","1") = "6"
    & skf21("5","4","7","4","5","3","4","1") = "6"
    & skf21("5","4","7","4","5","3","5","1") = "6"
    & skf21("5","4","7","4","5","3","6","1") = "6"
    & skf21("5","4","7","4","5","3","7","1") = "6"
    & skf21("5","4","7","4","5","4","1","1") = "6"
    & skf21("5","4","7","4","5","4","2","1") = "6"
    & skf21("5","4","7","4","5","4","3","1") = "6"
    & skf21("5","4","7","4","5","4","4","1") = "6"
    & skf21("5","4","7","4","5","4","5","1") = "6"
    & skf21("5","4","7","4","5","4","6","1") = "6"
    & skf21("5","4","7","4","5","4","7","1") = "6"
    & skf21("5","4","7","4","5","5","1","1") = "6"
    & skf21("5","4","7","4","5","5","2","1") = "6"
    & skf21("5","4","7","4","5","5","3","1") = "6"
    & skf21("5","4","7","4","5","5","4","1") = "6"
    & skf21("5","4","7","4","5","5","5","1") = "6"
    & skf21("5","4","7","4","5","5","6","1") = "6"
    & skf21("5","4","7","4","5","5","7","1") = "6"
    & skf21("5","4","7","4","5","6","1","1") = "6"
    & skf21("5","4","7","4","5","6","2","1") = "6"
    & skf21("5","4","7","4","5","6","3","1") = "6"
    & skf21("5","4","7","4","5","6","4","1") = "6"
    & skf21("5","4","7","4","5","6","5","1") = "6"
    & skf21("5","4","7","4","5","6","6","1") = "6"
    & skf21("5","4","7","4","5","6","7","1") = "6"
    & skf21("5","4","7","4","5","7","1","1") = "6"
    & skf21("5","4","7","4","5","7","2","1") = "6"
    & skf21("5","4","7","4","5","7","3","1") = "6"
    & skf21("5","4","7","4","5","7","4","1") = "6"
    & skf21("5","4","7","4","5","7","5","1") = "6"
    & skf21("5","4","7","4","5","7","6","1") = "6"
    & skf21("5","4","7","4","5","7","7","1") = "6"
    & skf21("5","4","7","4","6","1","1","1") = "6"
    & skf21("5","4","7","4","6","1","2","1") = "6"
    & skf21("5","4","7","4","6","1","3","1") = "6"
    & skf21("5","4","7","4","6","1","4","1") = "6"
    & skf21("5","4","7","4","6","1","5","1") = "6"
    & skf21("5","4","7","4","6","1","6","1") = "6"
    & skf21("5","4","7","4","6","1","7","1") = "6"
    & skf21("5","4","7","4","6","2","1","1") = "6"
    & skf21("5","4","7","4","6","2","2","1") = "6"
    & skf21("5","4","7","4","6","2","3","1") = "6"
    & skf21("5","4","7","4","6","2","4","1") = "6"
    & skf21("5","4","7","4","6","2","5","1") = "6"
    & skf21("5","4","7","4","6","2","6","1") = "6"
    & skf21("5","4","7","4","6","2","7","1") = "6"
    & skf21("5","4","7","4","6","3","1","1") = "6"
    & skf21("5","4","7","4","6","3","2","1") = "6"
    & skf21("5","4","7","4","6","3","3","1") = "6"
    & skf21("5","4","7","4","6","3","4","1") = "6"
    & skf21("5","4","7","4","6","3","5","1") = "6"
    & skf21("5","4","7","4","6","3","6","1") = "6"
    & skf21("5","4","7","4","6","3","7","1") = "6"
    & skf21("5","4","7","4","6","4","1","1") = "6"
    & skf21("5","4","7","4","6","4","2","1") = "6"
    & skf21("5","4","7","4","6","4","3","1") = "6"
    & skf21("5","4","7","4","6","4","4","1") = "6"
    & skf21("5","4","7","4","6","4","5","1") = "6"
    & skf21("5","4","7","4","6","4","6","1") = "6"
    & skf21("5","4","7","4","6","4","7","1") = "6"
    & skf21("5","4","7","4","6","5","1","1") = "6"
    & skf21("5","4","7","4","6","5","2","1") = "6"
    & skf21("5","4","7","4","6","5","3","1") = "6"
    & skf21("5","4","7","4","6","5","4","1") = "6"
    & skf21("5","4","7","4","6","5","5","1") = "6"
    & skf21("5","4","7","4","6","5","6","1") = "6"
    & skf21("5","4","7","4","6","5","7","1") = "6"
    & skf21("5","4","7","4","6","6","1","1") = "6"
    & skf21("5","4","7","4","6","6","2","1") = "6"
    & skf21("5","4","7","4","6","6","3","1") = "6"
    & skf21("5","4","7","4","6","6","4","1") = "6"
    & skf21("5","4","7","4","6","6","5","1") = "6"
    & skf21("5","4","7","4","6","6","6","1") = "6"
    & skf21("5","4","7","4","6","6","7","1") = "6"
    & skf21("5","4","7","4","6","7","1","1") = "6"
    & skf21("5","4","7","4","6","7","2","1") = "6"
    & skf21("5","4","7","4","6","7","3","1") = "6"
    & skf21("5","4","7","4","6","7","4","1") = "6"
    & skf21("5","4","7","4","6","7","5","1") = "6"
    & skf21("5","4","7","4","6","7","6","1") = "6"
    & skf21("5","4","7","4","6","7","7","1") = "6"
    & skf21("5","4","7","4","7","1","1","1") = "6"
    & skf21("5","4","7","4","7","1","2","1") = "6"
    & skf21("5","4","7","4","7","1","3","1") = "6"
    & skf21("5","4","7","4","7","1","4","1") = "6"
    & skf21("5","4","7","4","7","1","5","1") = "6"
    & skf21("5","4","7","4","7","1","6","1") = "6"
    & skf21("5","4","7","4","7","1","7","1") = "6"
    & skf21("5","4","7","4","7","2","1","1") = "6"
    & skf21("5","4","7","4","7","2","2","1") = "6"
    & skf21("5","4","7","4","7","2","3","1") = "6"
    & skf21("5","4","7","4","7","2","4","1") = "6"
    & skf21("5","4","7","4","7","2","5","1") = "6"
    & skf21("5","4","7","4","7","2","6","1") = "6"
    & skf21("5","4","7","4","7","2","7","1") = "6"
    & skf21("5","4","7","4","7","3","1","1") = "6"
    & skf21("5","4","7","4","7","3","2","1") = "6"
    & skf21("5","4","7","4","7","3","3","1") = "6"
    & skf21("5","4","7","4","7","3","4","1") = "6"
    & skf21("5","4","7","4","7","3","5","1") = "6"
    & skf21("5","4","7","4","7","3","6","1") = "6"
    & skf21("5","4","7","4","7","3","7","1") = "6"
    & skf21("5","4","7","4","7","4","1","1") = "6"
    & skf21("5","4","7","4","7","4","2","1") = "6"
    & skf21("5","4","7","4","7","4","3","1") = "6"
    & skf21("5","4","7","4","7","4","4","1") = "6"
    & skf21("5","4","7","4","7","4","5","1") = "6"
    & skf21("5","4","7","4","7","4","6","1") = "6"
    & skf21("5","4","7","4","7","4","7","1") = "6"
    & skf21("5","4","7","4","7","5","1","1") = "6"
    & skf21("5","4","7","4","7","5","2","1") = "6"
    & skf21("5","4","7","4","7","5","3","1") = "6"
    & skf21("5","4","7","4","7","5","4","1") = "6"
    & skf21("5","4","7","4","7","5","5","1") = "6"
    & skf21("5","4","7","4","7","5","6","1") = "6"
    & skf21("5","4","7","4","7","5","7","1") = "6"
    & skf21("5","4","7","4","7","6","1","1") = "6"
    & skf21("5","4","7","4","7","6","2","1") = "6"
    & skf21("5","4","7","4","7","6","3","1") = "6"
    & skf21("5","4","7","4","7","6","4","1") = "6"
    & skf21("5","4","7","4","7","6","5","1") = "6"
    & skf21("5","4","7","4","7","6","6","1") = "6"
    & skf21("5","4","7","4","7","6","7","1") = "6"
    & skf21("5","4","7","4","7","7","1","1") = "6"
    & skf21("5","4","7","4","7","7","2","1") = "6"
    & skf21("5","4","7","4","7","7","3","1") = "6"
    & skf21("5","4","7","4","7","7","4","1") = "6"
    & skf21("5","4","7","4","7","7","5","1") = "6"
    & skf21("5","4","7","4","7","7","6","1") = "6"
    & skf21("5","4","7","4","7","7","7","1") = "6"
    & skf21("5","4","7","5","1","1","1","1") = "6"
    & skf21("5","4","7","5","1","1","2","1") = "6"
    & skf21("5","4","7","5","1","1","3","1") = "6"
    & skf21("5","4","7","5","1","1","4","1") = "6"
    & skf21("5","4","7","5","1","1","5","1") = "6"
    & skf21("5","4","7","5","1","1","6","1") = "6"
    & skf21("5","4","7","5","1","1","7","1") = "6"
    & skf21("5","4","7","5","1","2","1","1") = "6"
    & skf21("5","4","7","5","1","2","2","1") = "6"
    & skf21("5","4","7","5","1","2","3","1") = "6"
    & skf21("5","4","7","5","1","2","4","1") = "6"
    & skf21("5","4","7","5","1","2","5","1") = "6"
    & skf21("5","4","7","5","1","2","6","1") = "6"
    & skf21("5","4","7","5","1","2","7","1") = "6"
    & skf21("5","4","7","5","1","3","1","1") = "6"
    & skf21("5","4","7","5","1","3","2","1") = "6"
    & skf21("5","4","7","5","1","3","3","1") = "6"
    & skf21("5","4","7","5","1","3","4","1") = "6"
    & skf21("5","4","7","5","1","3","5","1") = "6"
    & skf21("5","4","7","5","1","3","6","1") = "6"
    & skf21("5","4","7","5","1","3","7","1") = "6"
    & skf21("5","4","7","5","1","4","1","1") = "6"
    & skf21("5","4","7","5","1","4","2","1") = "6"
    & skf21("5","4","7","5","1","4","3","1") = "6"
    & skf21("5","4","7","5","1","4","4","1") = "6"
    & skf21("5","4","7","5","1","4","5","1") = "6"
    & skf21("5","4","7","5","1","4","6","1") = "6"
    & skf21("5","4","7","5","1","4","7","1") = "6"
    & skf21("5","4","7","5","1","5","1","1") = "6"
    & skf21("5","4","7","5","1","5","2","1") = "6"
    & skf21("5","4","7","5","1","5","3","1") = "6"
    & skf21("5","4","7","5","1","5","4","1") = "6"
    & skf21("5","4","7","5","1","5","5","1") = "6"
    & skf21("5","4","7","5","1","5","6","1") = "6"
    & skf21("5","4","7","5","1","5","7","1") = "6"
    & skf21("5","4","7","5","1","6","1","1") = "6"
    & skf21("5","4","7","5","1","6","2","1") = "6"
    & skf21("5","4","7","5","1","6","3","1") = "6"
    & skf21("5","4","7","5","1","6","4","1") = "6"
    & skf21("5","4","7","5","1","6","5","1") = "6"
    & skf21("5","4","7","5","1","6","6","1") = "6"
    & skf21("5","4","7","5","1","6","7","1") = "6"
    & skf21("5","4","7","5","1","7","1","1") = "6"
    & skf21("5","4","7","5","1","7","2","1") = "6"
    & skf21("5","4","7","5","1","7","3","1") = "6"
    & skf21("5","4","7","5","1","7","4","1") = "6"
    & skf21("5","4","7","5","1","7","5","1") = "6"
    & skf21("5","4","7","5","1","7","6","1") = "6"
    & skf21("5","4","7","5","1","7","7","1") = "6"
    & skf21("5","4","7","5","2","1","1","1") = "6"
    & skf21("5","4","7","5","2","1","2","1") = "6"
    & skf21("5","4","7","5","2","1","3","1") = "6"
    & skf21("5","4","7","5","2","1","4","1") = "6"
    & skf21("5","4","7","5","2","1","5","1") = "6"
    & skf21("5","4","7","5","2","1","6","1") = "6"
    & skf21("5","4","7","5","2","1","7","1") = "6"
    & skf21("5","4","7","5","2","2","1","1") = "6"
    & skf21("5","4","7","5","2","2","2","1") = "6"
    & skf21("5","4","7","5","2","2","3","1") = "6"
    & skf21("5","4","7","5","2","2","4","1") = "6"
    & skf21("5","4","7","5","2","2","5","1") = "6"
    & skf21("5","4","7","5","2","2","6","1") = "6"
    & skf21("5","4","7","5","2","2","7","1") = "6"
    & skf21("5","4","7","5","2","3","1","1") = "6"
    & skf21("5","4","7","5","2","3","2","1") = "6"
    & skf21("5","4","7","5","2","3","3","1") = "6"
    & skf21("5","4","7","5","2","3","4","1") = "6"
    & skf21("5","4","7","5","2","3","5","1") = "6"
    & skf21("5","4","7","5","2","3","6","1") = "6"
    & skf21("5","4","7","5","2","3","7","1") = "6"
    & skf21("5","4","7","5","2","4","1","1") = "6"
    & skf21("5","4","7","5","2","4","2","1") = "6"
    & skf21("5","4","7","5","2","4","3","1") = "6"
    & skf21("5","4","7","5","2","4","4","1") = "6"
    & skf21("5","4","7","5","2","4","5","1") = "6"
    & skf21("5","4","7","5","2","4","6","1") = "6"
    & skf21("5","4","7","5","2","4","7","1") = "6"
    & skf21("5","4","7","5","2","5","1","1") = "6"
    & skf21("5","4","7","5","2","5","2","1") = "6"
    & skf21("5","4","7","5","2","5","3","1") = "6"
    & skf21("5","4","7","5","2","5","4","1") = "6"
    & skf21("5","4","7","5","2","5","5","1") = "6"
    & skf21("5","4","7","5","2","5","6","1") = "6"
    & skf21("5","4","7","5","2","5","7","1") = "6"
    & skf21("5","4","7","5","2","6","1","1") = "6"
    & skf21("5","4","7","5","2","6","2","1") = "6"
    & skf21("5","4","7","5","2","6","3","1") = "6"
    & skf21("5","4","7","5","2","6","4","1") = "6"
    & skf21("5","4","7","5","2","6","5","1") = "6"
    & skf21("5","4","7","5","2","6","6","1") = "6"
    & skf21("5","4","7","5","2","6","7","1") = "6"
    & skf21("5","4","7","5","2","7","1","1") = "6"
    & skf21("5","4","7","5","2","7","2","1") = "6"
    & skf21("5","4","7","5","2","7","3","1") = "6"
    & skf21("5","4","7","5","2","7","4","1") = "6"
    & skf21("5","4","7","5","2","7","5","1") = "6"
    & skf21("5","4","7","5","2","7","6","1") = "6"
    & skf21("5","4","7","5","2","7","7","1") = "6"
    & skf21("5","4","7","5","3","1","1","1") = "6"
    & skf21("5","4","7","5","3","1","2","1") = "6"
    & skf21("5","4","7","5","3","1","3","1") = "6"
    & skf21("5","4","7","5","3","1","4","1") = "6"
    & skf21("5","4","7","5","3","1","5","1") = "6"
    & skf21("5","4","7","5","3","1","6","1") = "6"
    & skf21("5","4","7","5","3","1","7","1") = "6"
    & skf21("5","4","7","5","3","2","1","1") = "6"
    & skf21("5","4","7","5","3","2","2","1") = "6"
    & skf21("5","4","7","5","3","2","3","1") = "6"
    & skf21("5","4","7","5","3","2","4","1") = "6"
    & skf21("5","4","7","5","3","2","5","1") = "6"
    & skf21("5","4","7","5","3","2","6","1") = "6"
    & skf21("5","4","7","5","3","2","7","1") = "6"
    & skf21("5","4","7","5","3","3","1","1") = "6"
    & skf21("5","4","7","5","3","3","2","1") = "6"
    & skf21("5","4","7","5","3","3","3","1") = "6"
    & skf21("5","4","7","5","3","3","4","1") = "6"
    & skf21("5","4","7","5","3","3","5","1") = "6"
    & skf21("5","4","7","5","3","3","6","1") = "6"
    & skf21("5","4","7","5","3","3","7","1") = "6"
    & skf21("5","4","7","5","3","4","1","1") = "6"
    & skf21("5","4","7","5","3","4","2","1") = "6"
    & skf21("5","4","7","5","3","4","3","1") = "6"
    & skf21("5","4","7","5","3","4","4","1") = "6"
    & skf21("5","4","7","5","3","4","5","1") = "6"
    & skf21("5","4","7","5","3","4","6","1") = "6"
    & skf21("5","4","7","5","3","4","7","1") = "6"
    & skf21("5","4","7","5","3","5","1","1") = "6"
    & skf21("5","4","7","5","3","5","2","1") = "6"
    & skf21("5","4","7","5","3","5","3","1") = "6"
    & skf21("5","4","7","5","3","5","4","1") = "6"
    & skf21("5","4","7","5","3","5","5","1") = "6"
    & skf21("5","4","7","5","3","5","6","1") = "6"
    & skf21("5","4","7","5","3","5","7","1") = "6"
    & skf21("5","4","7","5","3","6","1","1") = "6"
    & skf21("5","4","7","5","3","6","2","1") = "6"
    & skf21("5","4","7","5","3","6","3","1") = "6"
    & skf21("5","4","7","5","3","6","4","1") = "6"
    & skf21("5","4","7","5","3","6","5","1") = "6"
    & skf21("5","4","7","5","3","6","6","1") = "6"
    & skf21("5","4","7","5","3","6","7","1") = "6"
    & skf21("5","4","7","5","3","7","1","1") = "6"
    & skf21("5","4","7","5","3","7","2","1") = "6"
    & skf21("5","4","7","5","3","7","3","1") = "6"
    & skf21("5","4","7","5","3","7","4","1") = "6"
    & skf21("5","4","7","5","3","7","5","1") = "6"
    & skf21("5","4","7","5","3","7","6","1") = "6"
    & skf21("5","4","7","5","3","7","7","1") = "6"
    & skf21("5","4","7","5","4","1","1","1") = "6"
    & skf21("5","4","7","5","4","1","2","1") = "6"
    & skf21("5","4","7","5","4","1","3","1") = "6"
    & skf21("5","4","7","5","4","1","4","1") = "6"
    & skf21("5","4","7","5","4","1","5","1") = "6"
    & skf21("5","4","7","5","4","1","6","1") = "6"
    & skf21("5","4","7","5","4","1","7","1") = "6"
    & skf21("5","4","7","5","4","2","1","1") = "6"
    & skf21("5","4","7","5","4","2","2","1") = "6"
    & skf21("5","4","7","5","4","2","3","1") = "6"
    & skf21("5","4","7","5","4","2","4","1") = "6"
    & skf21("5","4","7","5","4","2","5","1") = "6"
    & skf21("5","4","7","5","4","2","6","1") = "6"
    & skf21("5","4","7","5","4","2","7","1") = "6"
    & skf21("5","4","7","5","4","3","1","1") = "6"
    & skf21("5","4","7","5","4","3","2","1") = "6"
    & skf21("5","4","7","5","4","3","3","1") = "6"
    & skf21("5","4","7","5","4","3","4","1") = "6"
    & skf21("5","4","7","5","4","3","5","1") = "6"
    & skf21("5","4","7","5","4","3","6","1") = "6"
    & skf21("5","4","7","5","4","3","7","1") = "6"
    & skf21("5","4","7","5","4","4","1","1") = "6"
    & skf21("5","4","7","5","4","4","2","1") = "6"
    & skf21("5","4","7","5","4","4","3","1") = "6"
    & skf21("5","4","7","5","4","4","4","1") = "6"
    & skf21("5","4","7","5","4","4","5","1") = "6"
    & skf21("5","4","7","5","4","4","6","1") = "6"
    & skf21("5","4","7","5","4","4","7","1") = "6"
    & skf21("5","4","7","5","4","5","1","1") = "6"
    & skf21("5","4","7","5","4","5","2","1") = "6"
    & skf21("5","4","7","5","4","5","3","1") = "6"
    & skf21("5","4","7","5","4","5","4","1") = "6"
    & skf21("5","4","7","5","4","5","5","1") = "6"
    & skf21("5","4","7","5","4","5","6","1") = "6"
    & skf21("5","4","7","5","4","5","7","1") = "6"
    & skf21("5","4","7","5","4","6","1","1") = "6"
    & skf21("5","4","7","5","4","6","2","1") = "6"
    & skf21("5","4","7","5","4","6","3","1") = "6"
    & skf21("5","4","7","5","4","6","4","1") = "6"
    & skf21("5","4","7","5","4","6","5","1") = "6"
    & skf21("5","4","7","5","4","6","6","1") = "6"
    & skf21("5","4","7","5","4","6","7","1") = "6"
    & skf21("5","4","7","5","4","7","1","1") = "6"
    & skf21("5","4","7","5","4","7","2","1") = "6"
    & skf21("5","4","7","5","4","7","3","1") = "6"
    & skf21("5","4","7","5","4","7","4","1") = "6"
    & skf21("5","4","7","5","4","7","5","1") = "6"
    & skf21("5","4","7","5","4","7","6","1") = "6"
    & skf21("5","4","7","5","4","7","7","1") = "6"
    & skf21("5","4","7","5","5","1","1","1") = "6"
    & skf21("5","4","7","5","5","1","2","1") = "6"
    & skf21("5","4","7","5","5","1","3","1") = "6"
    & skf21("5","4","7","5","5","1","4","1") = "6"
    & skf21("5","4","7","5","5","1","5","1") = "6"
    & skf21("5","4","7","5","5","1","6","1") = "6"
    & skf21("5","4","7","5","5","1","7","1") = "6"
    & skf21("5","4","7","5","5","2","1","1") = "6"
    & skf21("5","4","7","5","5","2","2","1") = "6"
    & skf21("5","4","7","5","5","2","3","1") = "6"
    & skf21("5","4","7","5","5","2","4","1") = "6"
    & skf21("5","4","7","5","5","2","5","1") = "6"
    & skf21("5","4","7","5","5","2","6","1") = "6"
    & skf21("5","4","7","5","5","2","7","1") = "6"
    & skf21("5","4","7","5","5","3","1","1") = "6"
    & skf21("5","4","7","5","5","3","2","1") = "6"
    & skf21("5","4","7","5","5","3","3","1") = "6"
    & skf21("5","4","7","5","5","3","4","1") = "6"
    & skf21("5","4","7","5","5","3","5","1") = "6"
    & skf21("5","4","7","5","5","3","6","1") = "6"
    & skf21("5","4","7","5","5","3","7","1") = "6"
    & skf21("5","4","7","5","5","4","1","1") = "6"
    & skf21("5","4","7","5","5","4","2","1") = "6"
    & skf21("5","4","7","5","5","4","3","1") = "6"
    & skf21("5","4","7","5","5","4","4","1") = "6"
    & skf21("5","4","7","5","5","4","5","1") = "6"
    & skf21("5","4","7","5","5","4","6","1") = "6"
    & skf21("5","4","7","5","5","4","7","1") = "6"
    & skf21("5","4","7","5","5","5","1","1") = "6"
    & skf21("5","4","7","5","5","5","2","1") = "6"
    & skf21("5","4","7","5","5","5","3","1") = "6"
    & skf21("5","4","7","5","5","5","4","1") = "6"
    & skf21("5","4","7","5","5","5","5","1") = "6"
    & skf21("5","4","7","5","5","5","6","1") = "6"
    & skf21("5","4","7","5","5","5","7","1") = "6"
    & skf21("5","4","7","5","5","6","1","1") = "6"
    & skf21("5","4","7","5","5","6","2","1") = "6"
    & skf21("5","4","7","5","5","6","3","1") = "6"
    & skf21("5","4","7","5","5","6","4","1") = "6"
    & skf21("5","4","7","5","5","6","5","1") = "6"
    & skf21("5","4","7","5","5","6","6","1") = "6"
    & skf21("5","4","7","5","5","6","7","1") = "6"
    & skf21("5","4","7","5","5","7","1","1") = "6"
    & skf21("5","4","7","5","5","7","2","1") = "6"
    & skf21("5","4","7","5","5","7","3","1") = "6"
    & skf21("5","4","7","5","5","7","4","1") = "6"
    & skf21("5","4","7","5","5","7","5","1") = "6"
    & skf21("5","4","7","5","5","7","6","1") = "6"
    & skf21("5","4","7","5","5","7","7","1") = "6"
    & skf21("5","4","7","5","6","1","1","1") = "6"
    & skf21("5","4","7","5","6","1","2","1") = "6"
    & skf21("5","4","7","5","6","1","3","1") = "6"
    & skf21("5","4","7","5","6","1","4","1") = "6"
    & skf21("5","4","7","5","6","1","5","1") = "6"
    & skf21("5","4","7","5","6","1","6","1") = "6"
    & skf21("5","4","7","5","6","1","7","1") = "6"
    & skf21("5","4","7","5","6","2","1","1") = "6"
    & skf21("5","4","7","5","6","2","2","1") = "6"
    & skf21("5","4","7","5","6","2","3","1") = "6"
    & skf21("5","4","7","5","6","2","4","1") = "6"
    & skf21("5","4","7","5","6","2","5","1") = "6"
    & skf21("5","4","7","5","6","2","6","1") = "6"
    & skf21("5","4","7","5","6","2","7","1") = "6"
    & skf21("5","4","7","5","6","3","1","1") = "6"
    & skf21("5","4","7","5","6","3","2","1") = "6"
    & skf21("5","4","7","5","6","3","3","1") = "6"
    & skf21("5","4","7","5","6","3","4","1") = "6"
    & skf21("5","4","7","5","6","3","5","1") = "6"
    & skf21("5","4","7","5","6","3","6","1") = "6"
    & skf21("5","4","7","5","6","3","7","1") = "6"
    & skf21("5","4","7","5","6","4","1","1") = "6"
    & skf21("5","4","7","5","6","4","2","1") = "6"
    & skf21("5","4","7","5","6","4","3","1") = "6"
    & skf21("5","4","7","5","6","4","4","1") = "6"
    & skf21("5","4","7","5","6","4","5","1") = "6"
    & skf21("5","4","7","5","6","4","6","1") = "6"
    & skf21("5","4","7","5","6","4","7","1") = "6"
    & skf21("5","4","7","5","6","5","1","1") = "6"
    & skf21("5","4","7","5","6","5","2","1") = "6"
    & skf21("5","4","7","5","6","5","3","1") = "6"
    & skf21("5","4","7","5","6","5","4","1") = "6"
    & skf21("5","4","7","5","6","5","5","1") = "6"
    & skf21("5","4","7","5","6","5","6","1") = "6"
    & skf21("5","4","7","5","6","5","7","1") = "6"
    & skf21("5","4","7","5","6","6","1","1") = "6"
    & skf21("5","4","7","5","6","6","2","1") = "6"
    & skf21("5","4","7","5","6","6","3","1") = "6"
    & skf21("5","4","7","5","6","6","4","1") = "6"
    & skf21("5","4","7","5","6","6","5","1") = "6"
    & skf21("5","4","7","5","6","6","6","1") = "6"
    & skf21("5","4","7","5","6","6","7","1") = "6"
    & skf21("5","4","7","5","6","7","1","1") = "6"
    & skf21("5","4","7","5","6","7","2","1") = "6"
    & skf21("5","4","7","5","6","7","3","1") = "6"
    & skf21("5","4","7","5","6","7","4","1") = "6"
    & skf21("5","4","7","5","6","7","5","1") = "6"
    & skf21("5","4","7","5","6","7","6","1") = "6"
    & skf21("5","4","7","5","6","7","7","1") = "6"
    & skf21("5","4","7","5","7","1","1","1") = "6"
    & skf21("5","4","7","5","7","1","2","1") = "6"
    & skf21("5","4","7","5","7","1","3","1") = "6"
    & skf21("5","4","7","5","7","1","4","1") = "6"
    & skf21("5","4","7","5","7","1","5","1") = "6"
    & skf21("5","4","7","5","7","1","6","1") = "6"
    & skf21("5","4","7","5","7","1","7","1") = "6"
    & skf21("5","4","7","5","7","2","1","1") = "6"
    & skf21("5","4","7","5","7","2","2","1") = "6"
    & skf21("5","4","7","5","7","2","3","1") = "6"
    & skf21("5","4","7","5","7","2","4","1") = "6"
    & skf21("5","4","7","5","7","2","5","1") = "6"
    & skf21("5","4","7","5","7","2","6","1") = "6"
    & skf21("5","4","7","5","7","2","7","1") = "6"
    & skf21("5","4","7","5","7","3","1","1") = "6"
    & skf21("5","4","7","5","7","3","2","1") = "6"
    & skf21("5","4","7","5","7","3","3","1") = "6"
    & skf21("5","4","7","5","7","3","4","1") = "6"
    & skf21("5","4","7","5","7","3","5","1") = "6"
    & skf21("5","4","7","5","7","3","6","1") = "6"
    & skf21("5","4","7","5","7","3","7","1") = "6"
    & skf21("5","4","7","5","7","4","1","1") = "6"
    & skf21("5","4","7","5","7","4","2","1") = "6"
    & skf21("5","4","7","5","7","4","3","1") = "6"
    & skf21("5","4","7","5","7","4","4","1") = "6"
    & skf21("5","4","7","5","7","4","5","1") = "6"
    & skf21("5","4","7","5","7","4","6","1") = "6"
    & skf21("5","4","7","5","7","4","7","1") = "6"
    & skf21("5","4","7","5","7","5","1","1") = "6"
    & skf21("5","4","7","5","7","5","2","1") = "6"
    & skf21("5","4","7","5","7","5","3","1") = "6"
    & skf21("5","4","7","5","7","5","4","1") = "6"
    & skf21("5","4","7","5","7","5","5","1") = "6"
    & skf21("5","4","7","5","7","5","6","1") = "6"
    & skf21("5","4","7","5","7","5","7","1") = "6"
    & skf21("5","4","7","5","7","6","1","1") = "6"
    & skf21("5","4","7","5","7","6","2","1") = "6"
    & skf21("5","4","7","5","7","6","3","1") = "6"
    & skf21("5","4","7","5","7","6","4","1") = "6"
    & skf21("5","4","7","5","7","6","5","1") = "6"
    & skf21("5","4","7","5","7","6","6","1") = "6"
    & skf21("5","4","7","5","7","6","7","1") = "6"
    & skf21("5","4","7","5","7","7","1","1") = "6"
    & skf21("5","4","7","5","7","7","2","1") = "6"
    & skf21("5","4","7","5","7","7","3","1") = "6"
    & skf21("5","4","7","5","7","7","4","1") = "6"
    & skf21("5","4","7","5","7","7","5","1") = "6"
    & skf21("5","4","7","5","7","7","6","1") = "6"
    & skf21("5","4","7","5","7","7","7","1") = "6"
    & skf21("5","4","7","6","1","1","1","1") = "6"
    & skf21("5","4","7","6","1","1","2","1") = "6"
    & skf21("5","4","7","6","1","1","3","1") = "6"
    & skf21("5","4","7","6","1","1","4","1") = "6"
    & skf21("5","4","7","6","1","1","5","1") = "6"
    & skf21("5","4","7","6","1","1","6","1") = "6"
    & skf21("5","4","7","6","1","1","7","1") = "6"
    & skf21("5","4","7","6","1","2","1","1") = "6"
    & skf21("5","4","7","6","1","2","2","1") = "6"
    & skf21("5","4","7","6","1","2","3","1") = "6"
    & skf21("5","4","7","6","1","2","4","1") = "6"
    & skf21("5","4","7","6","1","2","5","1") = "6"
    & skf21("5","4","7","6","1","2","6","1") = "6"
    & skf21("5","4","7","6","1","2","7","1") = "6"
    & skf21("5","4","7","6","1","3","1","1") = "6"
    & skf21("5","4","7","6","1","3","2","1") = "6"
    & skf21("5","4","7","6","1","3","3","1") = "6"
    & skf21("5","4","7","6","1","3","4","1") = "6"
    & skf21("5","4","7","6","1","3","5","1") = "6"
    & skf21("5","4","7","6","1","3","6","1") = "6"
    & skf21("5","4","7","6","1","3","7","1") = "6"
    & skf21("5","4","7","6","1","4","1","1") = "6"
    & skf21("5","4","7","6","1","4","2","1") = "6"
    & skf21("5","4","7","6","1","4","3","1") = "6"
    & skf21("5","4","7","6","1","4","4","1") = "6"
    & skf21("5","4","7","6","1","4","5","1") = "6"
    & skf21("5","4","7","6","1","4","6","1") = "6"
    & skf21("5","4","7","6","1","4","7","1") = "6"
    & skf21("5","4","7","6","1","5","1","1") = "6"
    & skf21("5","4","7","6","1","5","2","1") = "6"
    & skf21("5","4","7","6","1","5","3","1") = "6"
    & skf21("5","4","7","6","1","5","4","1") = "6"
    & skf21("5","4","7","6","1","5","5","1") = "6"
    & skf21("5","4","7","6","1","5","6","1") = "6"
    & skf21("5","4","7","6","1","5","7","1") = "6"
    & skf21("5","4","7","6","1","6","1","1") = "6"
    & skf21("5","4","7","6","1","6","2","1") = "6"
    & skf21("5","4","7","6","1","6","3","1") = "6"
    & skf21("5","4","7","6","1","6","4","1") = "6"
    & skf21("5","4","7","6","1","6","5","1") = "6"
    & skf21("5","4","7","6","1","6","6","1") = "6"
    & skf21("5","4","7","6","1","6","7","1") = "6"
    & skf21("5","4","7","6","1","7","1","1") = "6"
    & skf21("5","4","7","6","1","7","2","1") = "6"
    & skf21("5","4","7","6","1","7","3","1") = "6"
    & skf21("5","4","7","6","1","7","4","1") = "6"
    & skf21("5","4","7","6","1","7","5","1") = "6"
    & skf21("5","4","7","6","1","7","6","1") = "6"
    & skf21("5","4","7","6","1","7","7","1") = "6"
    & skf21("5","4","7","6","2","1","1","1") = "6"
    & skf21("5","4","7","6","2","1","2","1") = "6"
    & skf21("5","4","7","6","2","1","3","1") = "6"
    & skf21("5","4","7","6","2","1","4","1") = "6"
    & skf21("5","4","7","6","2","1","5","1") = "6"
    & skf21("5","4","7","6","2","1","6","1") = "6"
    & skf21("5","4","7","6","2","1","7","1") = "6"
    & skf21("5","4","7","6","2","2","1","1") = "6"
    & skf21("5","4","7","6","2","2","2","1") = "6"
    & skf21("5","4","7","6","2","2","3","1") = "6"
    & skf21("5","4","7","6","2","2","4","1") = "6"
    & skf21("5","4","7","6","2","2","5","1") = "6"
    & skf21("5","4","7","6","2","2","6","1") = "6"
    & skf21("5","4","7","6","2","2","7","1") = "6"
    & skf21("5","4","7","6","2","3","1","1") = "6"
    & skf21("5","4","7","6","2","3","2","1") = "6"
    & skf21("5","4","7","6","2","3","3","1") = "6"
    & skf21("5","4","7","6","2","3","4","1") = "6"
    & skf21("5","4","7","6","2","3","5","1") = "6"
    & skf21("5","4","7","6","2","3","6","1") = "6"
    & skf21("5","4","7","6","2","3","7","1") = "6"
    & skf21("5","4","7","6","2","4","1","1") = "6"
    & skf21("5","4","7","6","2","4","2","1") = "6"
    & skf21("5","4","7","6","2","4","3","1") = "6"
    & skf21("5","4","7","6","2","4","4","1") = "6"
    & skf21("5","4","7","6","2","4","5","1") = "6"
    & skf21("5","4","7","6","2","4","6","1") = "6"
    & skf21("5","4","7","6","2","4","7","1") = "6"
    & skf21("5","4","7","6","2","5","1","1") = "6"
    & skf21("5","4","7","6","2","5","2","1") = "6"
    & skf21("5","4","7","6","2","5","3","1") = "6"
    & skf21("5","4","7","6","2","5","4","1") = "6"
    & skf21("5","4","7","6","2","5","5","1") = "6"
    & skf21("5","4","7","6","2","5","6","1") = "6"
    & skf21("5","4","7","6","2","5","7","1") = "6"
    & skf21("5","4","7","6","2","6","1","1") = "6"
    & skf21("5","4","7","6","2","6","2","1") = "6"
    & skf21("5","4","7","6","2","6","3","1") = "6"
    & skf21("5","4","7","6","2","6","4","1") = "6"
    & skf21("5","4","7","6","2","6","5","1") = "6"
    & skf21("5","4","7","6","2","6","6","1") = "6"
    & skf21("5","4","7","6","2","6","7","1") = "6"
    & skf21("5","4","7","6","2","7","1","1") = "6"
    & skf21("5","4","7","6","2","7","2","1") = "6"
    & skf21("5","4","7","6","2","7","3","1") = "6"
    & skf21("5","4","7","6","2","7","4","1") = "6"
    & skf21("5","4","7","6","2","7","5","1") = "6"
    & skf21("5","4","7","6","2","7","6","1") = "6"
    & skf21("5","4","7","6","2","7","7","1") = "6"
    & skf21("5","4","7","6","3","1","1","1") = "6"
    & skf21("5","4","7","6","3","1","2","1") = "6"
    & skf21("5","4","7","6","3","1","3","1") = "6"
    & skf21("5","4","7","6","3","1","4","1") = "6"
    & skf21("5","4","7","6","3","1","5","1") = "6"
    & skf21("5","4","7","6","3","1","6","1") = "6"
    & skf21("5","4","7","6","3","1","7","1") = "6"
    & skf21("5","4","7","6","3","2","1","1") = "6"
    & skf21("5","4","7","6","3","2","2","1") = "6"
    & skf21("5","4","7","6","3","2","3","1") = "6"
    & skf21("5","4","7","6","3","2","4","1") = "6"
    & skf21("5","4","7","6","3","2","5","1") = "6"
    & skf21("5","4","7","6","3","2","6","1") = "6"
    & skf21("5","4","7","6","3","2","7","1") = "6"
    & skf21("5","4","7","6","3","3","1","1") = "6"
    & skf21("5","4","7","6","3","3","2","1") = "6"
    & skf21("5","4","7","6","3","3","3","1") = "6"
    & skf21("5","4","7","6","3","3","4","1") = "6"
    & skf21("5","4","7","6","3","3","5","1") = "6"
    & skf21("5","4","7","6","3","3","6","1") = "6"
    & skf21("5","4","7","6","3","3","7","1") = "6"
    & skf21("5","4","7","6","3","4","1","1") = "6"
    & skf21("5","4","7","6","3","4","2","1") = "6"
    & skf21("5","4","7","6","3","4","3","1") = "6"
    & skf21("5","4","7","6","3","4","4","1") = "6"
    & skf21("5","4","7","6","3","4","5","1") = "6"
    & skf21("5","4","7","6","3","4","6","1") = "6"
    & skf21("5","4","7","6","3","4","7","1") = "6"
    & skf21("5","4","7","6","3","5","1","1") = "6"
    & skf21("5","4","7","6","3","5","2","1") = "6"
    & skf21("5","4","7","6","3","5","3","1") = "6"
    & skf21("5","4","7","6","3","5","4","1") = "6"
    & skf21("5","4","7","6","3","5","5","1") = "6"
    & skf21("5","4","7","6","3","5","6","1") = "6"
    & skf21("5","4","7","6","3","5","7","1") = "6"
    & skf21("5","4","7","6","3","6","1","1") = "6"
    & skf21("5","4","7","6","3","6","2","1") = "6"
    & skf21("5","4","7","6","3","6","3","1") = "6"
    & skf21("5","4","7","6","3","6","4","1") = "6"
    & skf21("5","4","7","6","3","6","5","1") = "6"
    & skf21("5","4","7","6","3","6","6","1") = "6"
    & skf21("5","4","7","6","3","6","7","1") = "6"
    & skf21("5","4","7","6","3","7","1","1") = "6"
    & skf21("5","4","7","6","3","7","2","1") = "6"
    & skf21("5","4","7","6","3","7","3","1") = "6"
    & skf21("5","4","7","6","3","7","4","1") = "6"
    & skf21("5","4","7","6","3","7","5","1") = "6"
    & skf21("5","4","7","6","3","7","6","1") = "6"
    & skf21("5","4","7","6","3","7","7","1") = "6"
    & skf21("5","4","7","6","4","1","1","1") = "6"
    & skf21("5","4","7","6","4","1","2","1") = "6"
    & skf21("5","4","7","6","4","1","3","1") = "6"
    & skf21("5","4","7","6","4","1","4","1") = "6"
    & skf21("5","4","7","6","4","1","5","1") = "6"
    & skf21("5","4","7","6","4","1","6","1") = "6"
    & skf21("5","4","7","6","4","1","7","1") = "6"
    & skf21("5","4","7","6","4","2","1","1") = "6"
    & skf21("5","4","7","6","4","2","2","1") = "6"
    & skf21("5","4","7","6","4","2","3","1") = "6"
    & skf21("5","4","7","6","4","2","4","1") = "6"
    & skf21("5","4","7","6","4","2","5","1") = "6"
    & skf21("5","4","7","6","4","2","6","1") = "6"
    & skf21("5","4","7","6","4","2","7","1") = "6"
    & skf21("5","4","7","6","4","3","1","1") = "6"
    & skf21("5","4","7","6","4","3","2","1") = "6"
    & skf21("5","4","7","6","4","3","3","1") = "6"
    & skf21("5","4","7","6","4","3","4","1") = "6"
    & skf21("5","4","7","6","4","3","5","1") = "6"
    & skf21("5","4","7","6","4","3","6","1") = "6"
    & skf21("5","4","7","6","4","3","7","1") = "6"
    & skf21("5","4","7","6","4","4","1","1") = "6"
    & skf21("5","4","7","6","4","4","2","1") = "6"
    & skf21("5","4","7","6","4","4","3","1") = "6"
    & skf21("5","4","7","6","4","4","4","1") = "6"
    & skf21("5","4","7","6","4","4","5","1") = "6"
    & skf21("5","4","7","6","4","4","6","1") = "6"
    & skf21("5","4","7","6","4","4","7","1") = "6"
    & skf21("5","4","7","6","4","5","1","1") = "6"
    & skf21("5","4","7","6","4","5","2","1") = "6"
    & skf21("5","4","7","6","4","5","3","1") = "6"
    & skf21("5","4","7","6","4","5","4","1") = "6"
    & skf21("5","4","7","6","4","5","5","1") = "6"
    & skf21("5","4","7","6","4","5","6","1") = "6"
    & skf21("5","4","7","6","4","5","7","1") = "6"
    & skf21("5","4","7","6","4","6","1","1") = "6"
    & skf21("5","4","7","6","4","6","2","1") = "6"
    & skf21("5","4","7","6","4","6","3","1") = "6"
    & skf21("5","4","7","6","4","6","4","1") = "6"
    & skf21("5","4","7","6","4","6","5","1") = "6"
    & skf21("5","4","7","6","4","6","6","1") = "6"
    & skf21("5","4","7","6","4","6","7","1") = "6"
    & skf21("5","4","7","6","4","7","1","1") = "6"
    & skf21("5","4","7","6","4","7","2","1") = "6"
    & skf21("5","4","7","6","4","7","3","1") = "6"
    & skf21("5","4","7","6","4","7","4","1") = "6"
    & skf21("5","4","7","6","4","7","5","1") = "6"
    & skf21("5","4","7","6","4","7","6","1") = "6"
    & skf21("5","4","7","6","4","7","7","1") = "6"
    & skf21("5","4","7","6","5","1","1","1") = "6"
    & skf21("5","4","7","6","5","1","2","1") = "6"
    & skf21("5","4","7","6","5","1","3","1") = "6"
    & skf21("5","4","7","6","5","1","4","1") = "6"
    & skf21("5","4","7","6","5","1","5","1") = "6"
    & skf21("5","4","7","6","5","1","6","1") = "6"
    & skf21("5","4","7","6","5","1","7","1") = "6"
    & skf21("5","4","7","6","5","2","1","1") = "6"
    & skf21("5","4","7","6","5","2","2","1") = "6"
    & skf21("5","4","7","6","5","2","3","1") = "6"
    & skf21("5","4","7","6","5","2","4","1") = "6"
    & skf21("5","4","7","6","5","2","5","1") = "6"
    & skf21("5","4","7","6","5","2","6","1") = "6"
    & skf21("5","4","7","6","5","2","7","1") = "6"
    & skf21("5","4","7","6","5","3","1","1") = "6"
    & skf21("5","4","7","6","5","3","2","1") = "6"
    & skf21("5","4","7","6","5","3","3","1") = "6"
    & skf21("5","4","7","6","5","3","4","1") = "6"
    & skf21("5","4","7","6","5","3","5","1") = "6"
    & skf21("5","4","7","6","5","3","6","1") = "6"
    & skf21("5","4","7","6","5","3","7","1") = "6"
    & skf21("5","4","7","6","5","4","1","1") = "6"
    & skf21("5","4","7","6","5","4","2","1") = "6"
    & skf21("5","4","7","6","5","4","3","1") = "6"
    & skf21("5","4","7","6","5","4","4","1") = "6"
    & skf21("5","4","7","6","5","4","5","1") = "6"
    & skf21("5","4","7","6","5","4","6","1") = "6"
    & skf21("5","4","7","6","5","4","7","1") = "6"
    & skf21("5","4","7","6","5","5","1","1") = "6"
    & skf21("5","4","7","6","5","5","2","1") = "6"
    & skf21("5","4","7","6","5","5","3","1") = "6"
    & skf21("5","4","7","6","5","5","4","1") = "6"
    & skf21("5","4","7","6","5","5","5","1") = "6"
    & skf21("5","4","7","6","5","5","6","1") = "6"
    & skf21("5","4","7","6","5","5","7","1") = "6"
    & skf21("5","4","7","6","5","6","1","1") = "6"
    & skf21("5","4","7","6","5","6","2","1") = "6"
    & skf21("5","4","7","6","5","6","3","1") = "6"
    & skf21("5","4","7","6","5","6","4","1") = "6"
    & skf21("5","4","7","6","5","6","5","1") = "6"
    & skf21("5","4","7","6","5","6","6","1") = "6"
    & skf21("5","4","7","6","5","6","7","1") = "6"
    & skf21("5","4","7","6","5","7","1","1") = "6"
    & skf21("5","4","7","6","5","7","2","1") = "6"
    & skf21("5","4","7","6","5","7","3","1") = "6"
    & skf21("5","4","7","6","5","7","4","1") = "6"
    & skf21("5","4","7","6","5","7","5","1") = "6"
    & skf21("5","4","7","6","5","7","6","1") = "6"
    & skf21("5","4","7","6","5","7","7","1") = "6"
    & skf21("5","4","7","6","6","1","1","1") = "6"
    & skf21("5","4","7","6","6","1","2","1") = "6"
    & skf21("5","4","7","6","6","1","3","1") = "6"
    & skf21("5","4","7","6","6","1","4","1") = "6"
    & skf21("5","4","7","6","6","1","5","1") = "6"
    & skf21("5","4","7","6","6","1","6","1") = "6"
    & skf21("5","4","7","6","6","1","7","1") = "6"
    & skf21("5","4","7","6","6","2","1","1") = "6"
    & skf21("5","4","7","6","6","2","2","1") = "6"
    & skf21("5","4","7","6","6","2","3","1") = "6"
    & skf21("5","4","7","6","6","2","4","1") = "6"
    & skf21("5","4","7","6","6","2","5","1") = "6"
    & skf21("5","4","7","6","6","2","6","1") = "6"
    & skf21("5","4","7","6","6","2","7","1") = "6"
    & skf21("5","4","7","6","6","3","1","1") = "6"
    & skf21("5","4","7","6","6","3","2","1") = "6"
    & skf21("5","4","7","6","6","3","3","1") = "6"
    & skf21("5","4","7","6","6","3","4","1") = "6"
    & skf21("5","4","7","6","6","3","5","1") = "6"
    & skf21("5","4","7","6","6","3","6","1") = "6"
    & skf21("5","4","7","6","6","3","7","1") = "6"
    & skf21("5","4","7","6","6","4","1","1") = "6"
    & skf21("5","4","7","6","6","4","2","1") = "6"
    & skf21("5","4","7","6","6","4","3","1") = "6"
    & skf21("5","4","7","6","6","4","4","1") = "6"
    & skf21("5","4","7","6","6","4","5","1") = "6"
    & skf21("5","4","7","6","6","4","6","1") = "6"
    & skf21("5","4","7","6","6","4","7","1") = "6"
    & skf21("5","4","7","6","6","5","1","1") = "6"
    & skf21("5","4","7","6","6","5","2","1") = "6"
    & skf21("5","4","7","6","6","5","3","1") = "6"
    & skf21("5","4","7","6","6","5","4","1") = "6"
    & skf21("5","4","7","6","6","5","5","1") = "6"
    & skf21("5","4","7","6","6","5","6","1") = "6"
    & skf21("5","4","7","6","6","5","7","1") = "6"
    & skf21("5","4","7","6","6","6","1","1") = "6"
    & skf21("5","4","7","6","6","6","2","1") = "6"
    & skf21("5","4","7","6","6","6","3","1") = "6"
    & skf21("5","4","7","6","6","6","4","1") = "6"
    & skf21("5","4","7","6","6","6","5","1") = "6"
    & skf21("5","4","7","6","6","6","6","1") = "6"
    & skf21("5","4","7","6","6","6","7","1") = "6"
    & skf21("5","4","7","6","6","7","1","1") = "6"
    & skf21("5","4","7","6","6","7","2","1") = "6"
    & skf21("5","4","7","6","6","7","3","1") = "6"
    & skf21("5","4","7","6","6","7","4","1") = "6"
    & skf21("5","4","7","6","6","7","5","1") = "6"
    & skf21("5","4","7","6","6","7","6","1") = "6"
    & skf21("5","4","7","6","6","7","7","1") = "6"
    & skf21("5","4","7","6","7","1","1","1") = "6"
    & skf21("5","4","7","6","7","1","2","1") = "6"
    & skf21("5","4","7","6","7","1","3","1") = "6"
    & skf21("5","4","7","6","7","1","4","1") = "6"
    & skf21("5","4","7","6","7","1","5","1") = "6"
    & skf21("5","4","7","6","7","1","6","1") = "6"
    & skf21("5","4","7","6","7","1","7","1") = "6"
    & skf21("5","4","7","6","7","2","1","1") = "6"
    & skf21("5","4","7","6","7","2","2","1") = "6"
    & skf21("5","4","7","6","7","2","3","1") = "6"
    & skf21("5","4","7","6","7","2","4","1") = "6"
    & skf21("5","4","7","6","7","2","5","1") = "6"
    & skf21("5","4","7","6","7","2","6","1") = "6"
    & skf21("5","4","7","6","7","2","7","1") = "6"
    & skf21("5","4","7","6","7","3","1","1") = "6"
    & skf21("5","4","7","6","7","3","2","1") = "6"
    & skf21("5","4","7","6","7","3","3","1") = "6"
    & skf21("5","4","7","6","7","3","4","1") = "6"
    & skf21("5","4","7","6","7","3","5","1") = "6"
    & skf21("5","4","7","6","7","3","6","1") = "6"
    & skf21("5","4","7","6","7","3","7","1") = "6"
    & skf21("5","4","7","6","7","4","1","1") = "6"
    & skf21("5","4","7","6","7","4","2","1") = "6"
    & skf21("5","4","7","6","7","4","3","1") = "6"
    & skf21("5","4","7","6","7","4","4","1") = "6"
    & skf21("5","4","7","6","7","4","5","1") = "6"
    & skf21("5","4","7","6","7","4","6","1") = "6"
    & skf21("5","4","7","6","7","4","7","1") = "6"
    & skf21("5","4","7","6","7","5","1","1") = "6"
    & skf21("5","4","7","6","7","5","2","1") = "6"
    & skf21("5","4","7","6","7","5","3","1") = "6"
    & skf21("5","4","7","6","7","5","4","1") = "6"
    & skf21("5","4","7","6","7","5","5","1") = "6"
    & skf21("5","4","7","6","7","5","6","1") = "6"
    & skf21("5","4","7","6","7","5","7","1") = "6"
    & skf21("5","4","7","6","7","6","1","1") = "6"
    & skf21("5","4","7","6","7","6","2","1") = "6"
    & skf21("5","4","7","6","7","6","3","1") = "6"
    & skf21("5","4","7","6","7","6","4","1") = "6"
    & skf21("5","4","7","6","7","6","5","1") = "6"
    & skf21("5","4","7","6","7","6","6","1") = "6"
    & skf21("5","4","7","6","7","6","7","1") = "6"
    & skf21("5","4","7","6","7","7","1","1") = "6"
    & skf21("5","4","7","6","7","7","2","1") = "6"
    & skf21("5","4","7","6","7","7","3","1") = "6"
    & skf21("5","4","7","6","7","7","4","1") = "6"
    & skf21("5","4","7","6","7","7","5","1") = "6"
    & skf21("5","4","7","6","7","7","6","1") = "6"
    & skf21("5","4","7","6","7","7","7","1") = "6"
    & skf21("5","4","7","7","1","1","1","1") = "6"
    & skf21("5","4","7","7","1","1","2","1") = "6"
    & skf21("5","4","7","7","1","1","3","1") = "6"
    & skf21("5","4","7","7","1","1","4","1") = "6"
    & skf21("5","4","7","7","1","1","5","1") = "6"
    & skf21("5","4","7","7","1","1","6","1") = "6"
    & skf21("5","4","7","7","1","1","7","1") = "6"
    & skf21("5","4","7","7","1","2","1","1") = "6"
    & skf21("5","4","7","7","1","2","2","1") = "6"
    & skf21("5","4","7","7","1","2","3","1") = "6"
    & skf21("5","4","7","7","1","2","4","1") = "6"
    & skf21("5","4","7","7","1","2","5","1") = "6"
    & skf21("5","4","7","7","1","2","6","1") = "6"
    & skf21("5","4","7","7","1","2","7","1") = "6"
    & skf21("5","4","7","7","1","3","1","1") = "6"
    & skf21("5","4","7","7","1","3","2","1") = "6"
    & skf21("5","4","7","7","1","3","3","1") = "6"
    & skf21("5","4","7","7","1","3","4","1") = "6"
    & skf21("5","4","7","7","1","3","5","1") = "6"
    & skf21("5","4","7","7","1","3","6","1") = "6"
    & skf21("5","4","7","7","1","3","7","1") = "6"
    & skf21("5","4","7","7","1","4","1","1") = "6"
    & skf21("5","4","7","7","1","4","2","1") = "6"
    & skf21("5","4","7","7","1","4","3","1") = "6"
    & skf21("5","4","7","7","1","4","4","1") = "6"
    & skf21("5","4","7","7","1","4","5","1") = "6"
    & skf21("5","4","7","7","1","4","6","1") = "6"
    & skf21("5","4","7","7","1","4","7","1") = "6"
    & skf21("5","4","7","7","1","5","1","1") = "6"
    & skf21("5","4","7","7","1","5","2","1") = "6"
    & skf21("5","4","7","7","1","5","3","1") = "6"
    & skf21("5","4","7","7","1","5","4","1") = "6"
    & skf21("5","4","7","7","1","5","5","1") = "6"
    & skf21("5","4","7","7","1","5","6","1") = "6"
    & skf21("5","4","7","7","1","5","7","1") = "6"
    & skf21("5","4","7","7","1","6","1","1") = "6"
    & skf21("5","4","7","7","1","6","2","1") = "6"
    & skf21("5","4","7","7","1","6","3","1") = "6"
    & skf21("5","4","7","7","1","6","4","1") = "6"
    & skf21("5","4","7","7","1","6","5","1") = "6"
    & skf21("5","4","7","7","1","6","6","1") = "6"
    & skf21("5","4","7","7","1","6","7","1") = "6"
    & skf21("5","4","7","7","1","7","1","1") = "6"
    & skf21("5","4","7","7","1","7","2","1") = "6"
    & skf21("5","4","7","7","1","7","3","1") = "6"
    & skf21("5","4","7","7","1","7","4","1") = "6"
    & skf21("5","4","7","7","1","7","5","1") = "6"
    & skf21("5","4","7","7","1","7","6","1") = "6"
    & skf21("5","4","7","7","1","7","7","1") = "6"
    & skf21("5","4","7","7","2","1","1","1") = "6"
    & skf21("5","4","7","7","2","1","2","1") = "6"
    & skf21("5","4","7","7","2","1","3","1") = "6"
    & skf21("5","4","7","7","2","1","4","1") = "6"
    & skf21("5","4","7","7","2","1","5","1") = "6"
    & skf21("5","4","7","7","2","1","6","1") = "6"
    & skf21("5","4","7","7","2","1","7","1") = "6"
    & skf21("5","4","7","7","2","2","1","1") = "6"
    & skf21("5","4","7","7","2","2","2","1") = "6"
    & skf21("5","4","7","7","2","2","3","1") = "6"
    & skf21("5","4","7","7","2","2","4","1") = "6"
    & skf21("5","4","7","7","2","2","5","1") = "6"
    & skf21("5","4","7","7","2","2","6","1") = "6"
    & skf21("5","4","7","7","2","2","7","1") = "6"
    & skf21("5","4","7","7","2","3","1","1") = "6"
    & skf21("5","4","7","7","2","3","2","1") = "6"
    & skf21("5","4","7","7","2","3","3","1") = "6"
    & skf21("5","4","7","7","2","3","4","1") = "6"
    & skf21("5","4","7","7","2","3","5","1") = "6"
    & skf21("5","4","7","7","2","3","6","1") = "6"
    & skf21("5","4","7","7","2","3","7","1") = "6"
    & skf21("5","4","7","7","2","4","1","1") = "6"
    & skf21("5","4","7","7","2","4","2","1") = "6"
    & skf21("5","4","7","7","2","4","3","1") = "6"
    & skf21("5","4","7","7","2","4","4","1") = "6"
    & skf21("5","4","7","7","2","4","5","1") = "6"
    & skf21("5","4","7","7","2","4","6","1") = "6"
    & skf21("5","4","7","7","2","4","7","1") = "6"
    & skf21("5","4","7","7","2","5","1","1") = "6"
    & skf21("5","4","7","7","2","5","2","1") = "6"
    & skf21("5","4","7","7","2","5","3","1") = "6"
    & skf21("5","4","7","7","2","5","4","1") = "6"
    & skf21("5","4","7","7","2","5","5","1") = "6"
    & skf21("5","4","7","7","2","5","6","1") = "6"
    & skf21("5","4","7","7","2","5","7","1") = "6"
    & skf21("5","4","7","7","2","6","1","1") = "6"
    & skf21("5","4","7","7","2","6","2","1") = "6"
    & skf21("5","4","7","7","2","6","3","1") = "6"
    & skf21("5","4","7","7","2","6","4","1") = "6"
    & skf21("5","4","7","7","2","6","5","1") = "6"
    & skf21("5","4","7","7","2","6","6","1") = "6"
    & skf21("5","4","7","7","2","6","7","1") = "6"
    & skf21("5","4","7","7","2","7","1","1") = "6"
    & skf21("5","4","7","7","2","7","2","1") = "6"
    & skf21("5","4","7","7","2","7","3","1") = "6"
    & skf21("5","4","7","7","2","7","4","1") = "6"
    & skf21("5","4","7","7","2","7","5","1") = "6"
    & skf21("5","4","7","7","2","7","6","1") = "6"
    & skf21("5","4","7","7","2","7","7","1") = "6"
    & skf21("5","4","7","7","3","1","1","1") = "6"
    & skf21("5","4","7","7","3","1","2","1") = "6"
    & skf21("5","4","7","7","3","1","3","1") = "6"
    & skf21("5","4","7","7","3","1","4","1") = "6"
    & skf21("5","4","7","7","3","1","5","1") = "6"
    & skf21("5","4","7","7","3","1","6","1") = "6"
    & skf21("5","4","7","7","3","1","7","1") = "6"
    & skf21("5","4","7","7","3","2","1","1") = "6"
    & skf21("5","4","7","7","3","2","2","1") = "6"
    & skf21("5","4","7","7","3","2","3","1") = "6"
    & skf21("5","4","7","7","3","2","4","1") = "6"
    & skf21("5","4","7","7","3","2","5","1") = "6"
    & skf21("5","4","7","7","3","2","6","1") = "6"
    & skf21("5","4","7","7","3","2","7","1") = "6"
    & skf21("5","4","7","7","3","3","1","1") = "6"
    & skf21("5","4","7","7","3","3","2","1") = "6"
    & skf21("5","4","7","7","3","3","3","1") = "6"
    & skf21("5","4","7","7","3","3","4","1") = "6"
    & skf21("5","4","7","7","3","3","5","1") = "6"
    & skf21("5","4","7","7","3","3","6","1") = "6"
    & skf21("5","4","7","7","3","3","7","1") = "6"
    & skf21("5","4","7","7","3","4","1","1") = "6"
    & skf21("5","4","7","7","3","4","2","1") = "6"
    & skf21("5","4","7","7","3","4","3","1") = "6"
    & skf21("5","4","7","7","3","4","4","1") = "6"
    & skf21("5","4","7","7","3","4","5","1") = "6"
    & skf21("5","4","7","7","3","4","6","1") = "6"
    & skf21("5","4","7","7","3","4","7","1") = "6"
    & skf21("5","4","7","7","3","5","1","1") = "6"
    & skf21("5","4","7","7","3","5","2","1") = "6"
    & skf21("5","4","7","7","3","5","3","1") = "6"
    & skf21("5","4","7","7","3","5","4","1") = "6"
    & skf21("5","4","7","7","3","5","5","1") = "6"
    & skf21("5","4","7","7","3","5","6","1") = "6"
    & skf21("5","4","7","7","3","5","7","1") = "6"
    & skf21("5","4","7","7","3","6","1","1") = "6"
    & skf21("5","4","7","7","3","6","2","1") = "6"
    & skf21("5","4","7","7","3","6","3","1") = "6"
    & skf21("5","4","7","7","3","6","4","1") = "6"
    & skf21("5","4","7","7","3","6","5","1") = "6"
    & skf21("5","4","7","7","3","6","6","1") = "6"
    & skf21("5","4","7","7","3","6","7","1") = "6"
    & skf21("5","4","7","7","3","7","1","1") = "6"
    & skf21("5","4","7","7","3","7","2","1") = "6"
    & skf21("5","4","7","7","3","7","3","1") = "6"
    & skf21("5","4","7","7","3","7","4","1") = "6"
    & skf21("5","4","7","7","3","7","5","1") = "6"
    & skf21("5","4","7","7","3","7","6","1") = "6"
    & skf21("5","4","7","7","3","7","7","1") = "6"
    & skf21("5","4","7","7","4","1","1","1") = "6"
    & skf21("5","4","7","7","4","1","2","1") = "6"
    & skf21("5","4","7","7","4","1","3","1") = "6"
    & skf21("5","4","7","7","4","1","4","1") = "6"
    & skf21("5","4","7","7","4","1","5","1") = "6"
    & skf21("5","4","7","7","4","1","6","1") = "6"
    & skf21("5","4","7","7","4","1","7","1") = "6"
    & skf21("5","4","7","7","4","2","1","1") = "6"
    & skf21("5","4","7","7","4","2","2","1") = "6"
    & skf21("5","4","7","7","4","2","3","1") = "6"
    & skf21("5","4","7","7","4","2","4","1") = "6"
    & skf21("5","4","7","7","4","2","5","1") = "6"
    & skf21("5","4","7","7","4","2","6","1") = "6"
    & skf21("5","4","7","7","4","2","7","1") = "6"
    & skf21("5","4","7","7","4","3","1","1") = "6"
    & skf21("5","4","7","7","4","3","2","1") = "6"
    & skf21("5","4","7","7","4","3","3","1") = "6"
    & skf21("5","4","7","7","4","3","4","1") = "6"
    & skf21("5","4","7","7","4","3","5","1") = "6"
    & skf21("5","4","7","7","4","3","6","1") = "6"
    & skf21("5","4","7","7","4","3","7","1") = "6"
    & skf21("5","4","7","7","4","4","1","1") = "6"
    & skf21("5","4","7","7","4","4","2","1") = "6"
    & skf21("5","4","7","7","4","4","3","1") = "6"
    & skf21("5","4","7","7","4","4","4","1") = "6"
    & skf21("5","4","7","7","4","4","5","1") = "6"
    & skf21("5","4","7","7","4","4","6","1") = "6"
    & skf21("5","4","7","7","4","4","7","1") = "6"
    & skf21("5","4","7","7","4","5","1","1") = "6"
    & skf21("5","4","7","7","4","5","2","1") = "6"
    & skf21("5","4","7","7","4","5","3","1") = "6"
    & skf21("5","4","7","7","4","5","4","1") = "6"
    & skf21("5","4","7","7","4","5","5","1") = "6"
    & skf21("5","4","7","7","4","5","6","1") = "6"
    & skf21("5","4","7","7","4","5","7","1") = "6"
    & skf21("5","4","7","7","4","6","1","1") = "6"
    & skf21("5","4","7","7","4","6","2","1") = "6"
    & skf21("5","4","7","7","4","6","3","1") = "6"
    & skf21("5","4","7","7","4","6","4","1") = "6"
    & skf21("5","4","7","7","4","6","5","1") = "6"
    & skf21("5","4","7","7","4","6","6","1") = "6"
    & skf21("5","4","7","7","4","6","7","1") = "6"
    & skf21("5","4","7","7","4","7","1","1") = "6"
    & skf21("5","4","7","7","4","7","2","1") = "6"
    & skf21("5","4","7","7","4","7","3","1") = "6"
    & skf21("5","4","7","7","4","7","4","1") = "6"
    & skf21("5","4","7","7","4","7","5","1") = "6"
    & skf21("5","4","7","7","4","7","6","1") = "6"
    & skf21("5","4","7","7","4","7","7","1") = "6"
    & skf21("5","4","7","7","5","1","1","1") = "6"
    & skf21("5","4","7","7","5","1","2","1") = "6"
    & skf21("5","4","7","7","5","1","3","1") = "6"
    & skf21("5","4","7","7","5","1","4","1") = "6"
    & skf21("5","4","7","7","5","1","5","1") = "6"
    & skf21("5","4","7","7","5","1","6","1") = "6"
    & skf21("5","4","7","7","5","1","7","1") = "6"
    & skf21("5","4","7","7","5","2","1","1") = "6"
    & skf21("5","4","7","7","5","2","2","1") = "6"
    & skf21("5","4","7","7","5","2","3","1") = "6"
    & skf21("5","4","7","7","5","2","4","1") = "6"
    & skf21("5","4","7","7","5","2","5","1") = "6"
    & skf21("5","4","7","7","5","2","6","1") = "6"
    & skf21("5","4","7","7","5","2","7","1") = "6"
    & skf21("5","4","7","7","5","3","1","1") = "6"
    & skf21("5","4","7","7","5","3","2","1") = "6"
    & skf21("5","4","7","7","5","3","3","1") = "6"
    & skf21("5","4","7","7","5","3","4","1") = "6"
    & skf21("5","4","7","7","5","3","5","1") = "6"
    & skf21("5","4","7","7","5","3","6","1") = "6"
    & skf21("5","4","7","7","5","3","7","1") = "6"
    & skf21("5","4","7","7","5","4","1","1") = "6"
    & skf21("5","4","7","7","5","4","2","1") = "6"
    & skf21("5","4","7","7","5","4","3","1") = "6"
    & skf21("5","4","7","7","5","4","4","1") = "6"
    & skf21("5","4","7","7","5","4","5","1") = "6"
    & skf21("5","4","7","7","5","4","6","1") = "6"
    & skf21("5","4","7","7","5","4","7","1") = "6"
    & skf21("5","4","7","7","5","5","1","1") = "6"
    & skf21("5","4","7","7","5","5","2","1") = "6"
    & skf21("5","4","7","7","5","5","3","1") = "6"
    & skf21("5","4","7","7","5","5","4","1") = "6"
    & skf21("5","4","7","7","5","5","5","1") = "6"
    & skf21("5","4","7","7","5","5","6","1") = "6"
    & skf21("5","4","7","7","5","5","7","1") = "6"
    & skf21("5","4","7","7","5","6","1","1") = "6"
    & skf21("5","4","7","7","5","6","2","1") = "6"
    & skf21("5","4","7","7","5","6","3","1") = "6"
    & skf21("5","4","7","7","5","6","4","1") = "6"
    & skf21("5","4","7","7","5","6","5","1") = "6"
    & skf21("5","4","7","7","5","6","6","1") = "6"
    & skf21("5","4","7","7","5","6","7","1") = "6"
    & skf21("5","4","7","7","5","7","1","1") = "6"
    & skf21("5","4","7","7","5","7","2","1") = "6"
    & skf21("5","4","7","7","5","7","3","1") = "6"
    & skf21("5","4","7","7","5","7","4","1") = "6"
    & skf21("5","4","7","7","5","7","5","1") = "6"
    & skf21("5","4","7","7","5","7","6","1") = "6"
    & skf21("5","4","7","7","5","7","7","1") = "6"
    & skf21("5","4","7","7","6","1","1","1") = "6"
    & skf21("5","4","7","7","6","1","2","1") = "6"
    & skf21("5","4","7","7","6","1","3","1") = "6"
    & skf21("5","4","7","7","6","1","4","1") = "6"
    & skf21("5","4","7","7","6","1","5","1") = "6"
    & skf21("5","4","7","7","6","1","6","1") = "6"
    & skf21("5","4","7","7","6","1","7","1") = "6"
    & skf21("5","4","7","7","6","2","1","1") = "6"
    & skf21("5","4","7","7","6","2","2","1") = "6"
    & skf21("5","4","7","7","6","2","3","1") = "6"
    & skf21("5","4","7","7","6","2","4","1") = "6"
    & skf21("5","4","7","7","6","2","5","1") = "6"
    & skf21("5","4","7","7","6","2","6","1") = "6"
    & skf21("5","4","7","7","6","2","7","1") = "6"
    & skf21("5","4","7","7","6","3","1","1") = "6"
    & skf21("5","4","7","7","6","3","2","1") = "6"
    & skf21("5","4","7","7","6","3","3","1") = "6"
    & skf21("5","4","7","7","6","3","4","1") = "6"
    & skf21("5","4","7","7","6","3","5","1") = "6"
    & skf21("5","4","7","7","6","3","6","1") = "6"
    & skf21("5","4","7","7","6","3","7","1") = "6"
    & skf21("5","4","7","7","6","4","1","1") = "6"
    & skf21("5","4","7","7","6","4","2","1") = "6"
    & skf21("5","4","7","7","6","4","3","1") = "6"
    & skf21("5","4","7","7","6","4","4","1") = "6"
    & skf21("5","4","7","7","6","4","5","1") = "6"
    & skf21("5","4","7","7","6","4","6","1") = "6"
    & skf21("5","4","7","7","6","4","7","1") = "6"
    & skf21("5","4","7","7","6","5","1","1") = "6"
    & skf21("5","4","7","7","6","5","2","1") = "6"
    & skf21("5","4","7","7","6","5","3","1") = "6"
    & skf21("5","4","7","7","6","5","4","1") = "6"
    & skf21("5","4","7","7","6","5","5","1") = "6"
    & skf21("5","4","7","7","6","5","6","1") = "6"
    & skf21("5","4","7","7","6","5","7","1") = "6"
    & skf21("5","4","7","7","6","6","1","1") = "6"
    & skf21("5","4","7","7","6","6","2","1") = "6"
    & skf21("5","4","7","7","6","6","3","1") = "6"
    & skf21("5","4","7","7","6","6","4","1") = "6"
    & skf21("5","4","7","7","6","6","5","1") = "6"
    & skf21("5","4","7","7","6","6","6","1") = "6"
    & skf21("5","4","7","7","6","6","7","1") = "6"
    & skf21("5","4","7","7","6","7","1","1") = "6"
    & skf21("5","4","7","7","6","7","2","1") = "6"
    & skf21("5","4","7","7","6","7","3","1") = "6"
    & skf21("5","4","7","7","6","7","4","1") = "6"
    & skf21("5","4","7","7","6","7","5","1") = "6"
    & skf21("5","4","7","7","6","7","6","1") = "6"
    & skf21("5","4","7","7","6","7","7","1") = "6"
    & skf21("5","4","7","7","7","1","1","1") = "6"
    & skf21("5","4","7","7","7","1","2","1") = "6"
    & skf21("5","4","7","7","7","1","3","1") = "6"
    & skf21("5","4","7","7","7","1","4","1") = "6"
    & skf21("5","4","7","7","7","1","5","1") = "6"
    & skf21("5","4","7","7","7","1","6","1") = "6"
    & skf21("5","4","7","7","7","1","7","1") = "6"
    & skf21("5","4","7","7","7","2","1","1") = "6"
    & skf21("5","4","7","7","7","2","2","1") = "6"
    & skf21("5","4","7","7","7","2","3","1") = "6"
    & skf21("5","4","7","7","7","2","4","1") = "6"
    & skf21("5","4","7","7","7","2","5","1") = "6"
    & skf21("5","4","7","7","7","2","6","1") = "6"
    & skf21("5","4","7","7","7","2","7","1") = "6"
    & skf21("5","4","7","7","7","3","1","1") = "6"
    & skf21("5","4","7","7","7","3","2","1") = "6"
    & skf21("5","4","7","7","7","3","3","1") = "6"
    & skf21("5","4","7","7","7","3","4","1") = "6"
    & skf21("5","4","7","7","7","3","5","1") = "6"
    & skf21("5","4","7","7","7","3","6","1") = "6"
    & skf21("5","4","7","7","7","3","7","1") = "6"
    & skf21("5","4","7","7","7","4","1","1") = "6"
    & skf21("5","4","7","7","7","4","2","1") = "6"
    & skf21("5","4","7","7","7","4","3","1") = "6"
    & skf21("5","4","7","7","7","4","4","1") = "6"
    & skf21("5","4","7","7","7","4","5","1") = "6"
    & skf21("5","4","7","7","7","4","6","1") = "6"
    & skf21("5","4","7","7","7","4","7","1") = "6"
    & skf21("5","4","7","7","7","5","1","1") = "6"
    & skf21("5","4","7","7","7","5","2","1") = "6"
    & skf21("5","4","7","7","7","5","3","1") = "6"
    & skf21("5","4","7","7","7","5","4","1") = "6"
    & skf21("5","4","7","7","7","5","5","1") = "6"
    & skf21("5","4","7","7","7","5","6","1") = "6"
    & skf21("5","4","7","7","7","5","7","1") = "6"
    & skf21("5","4","7","7","7","6","1","1") = "6"
    & skf21("5","4","7","7","7","6","2","1") = "6"
    & skf21("5","4","7","7","7","6","3","1") = "6"
    & skf21("5","4","7","7","7","6","4","1") = "6"
    & skf21("5","4","7","7","7","6","5","1") = "6"
    & skf21("5","4","7","7","7","6","6","1") = "6"
    & skf21("5","4","7","7","7","6","7","1") = "6"
    & skf21("5","4","7","7","7","7","1","1") = "6"
    & skf21("5","4","7","7","7","7","2","1") = "6"
    & skf21("5","4","7","7","7","7","3","1") = "6"
    & skf21("5","4","7","7","7","7","4","1") = "6"
    & skf21("5","4","7","7","7","7","5","1") = "6"
    & skf21("5","4","7","7","7","7","6","1") = "6"
    & skf21("5","4","7","7","7","7","7","1") = "6"
    & skf21("5","5","1","1","1","1","1","1") = "4"
    & skf21("5","5","1","1","1","1","2","1") = "4"
    & skf21("5","5","1","1","1","1","3","1") = "4"
    & skf21("5","5","1","1","1","1","4","1") = "4"
    & skf21("5","5","1","1","1","1","5","1") = "4"
    & skf21("5","5","1","1","1","1","6","1") = "5"
    & skf21("5","5","1","1","1","1","7","1") = "6"
    & skf21("5","5","1","1","1","2","1","1") = "4"
    & skf21("5","5","1","1","1","2","2","1") = "4"
    & skf21("5","5","1","1","1","2","3","1") = "4"
    & skf21("5","5","1","1","1","2","4","1") = "4"
    & skf21("5","5","1","1","1","2","5","1") = "4"
    & skf21("5","5","1","1","1","2","6","1") = "5"
    & skf21("5","5","1","1","1","2","7","1") = "6"
    & skf21("5","5","1","1","1","3","1","1") = "4"
    & skf21("5","5","1","1","1","3","2","1") = "4"
    & skf21("5","5","1","1","1","3","3","1") = "4"
    & skf21("5","5","1","1","1","3","4","1") = "4"
    & skf21("5","5","1","1","1","3","5","1") = "4"
    & skf21("5","5","1","1","1","3","6","1") = "5"
    & skf21("5","5","1","1","1","3","7","1") = "6"
    & skf21("5","5","1","1","1","4","1","1") = "4"
    & skf21("5","5","1","1","1","4","2","1") = "4"
    & skf21("5","5","1","1","1","4","3","1") = "4"
    & skf21("5","5","1","1","1","4","4","1") = "4"
    & skf21("5","5","1","1","1","4","5","1") = "4"
    & skf21("5","5","1","1","1","4","6","1") = "5"
    & skf21("5","5","1","1","1","4","7","1") = "6"
    & skf21("5","5","1","1","1","5","1","1") = "4"
    & skf21("5","5","1","1","1","5","2","1") = "4"
    & skf21("5","5","1","1","1","5","3","1") = "4"
    & skf21("5","5","1","1","1","5","4","1") = "4"
    & skf21("5","5","1","1","1","5","5","1") = "4"
    & skf21("5","5","1","1","1","5","6","1") = "5"
    & skf21("5","5","1","1","1","5","7","1") = "6"
    & skf21("5","5","1","1","1","6","1","1") = "5"
    & skf21("5","5","1","1","1","6","2","1") = "5"
    & skf21("5","5","1","1","1","6","3","1") = "5"
    & skf21("5","5","1","1","1","6","4","1") = "5"
    & skf21("5","5","1","1","1","6","5","1") = "5"
    & skf21("5","5","1","1","1","6","6","1") = "5"
    & skf21("5","5","1","1","1","6","7","1") = "6"
    & skf21("5","5","1","1","1","7","1","1") = "6"
    & skf21("5","5","1","1","1","7","2","1") = "6"
    & skf21("5","5","1","1","1","7","3","1") = "6"
    & skf21("5","5","1","1","1","7","4","1") = "6"
    & skf21("5","5","1","1","1","7","5","1") = "6"
    & skf21("5","5","1","1","1","7","6","1") = "6"
    & skf21("5","5","1","1","1","7","7","1") = "6"
    & skf21("5","5","1","1","2","1","1","1") = "4"
    & skf21("5","5","1","1","2","1","2","1") = "4"
    & skf21("5","5","1","1","2","1","3","1") = "4"
    & skf21("5","5","1","1","2","1","4","1") = "4"
    & skf21("5","5","1","1","2","1","5","1") = "4"
    & skf21("5","5","1","1","2","1","6","1") = "5"
    & skf21("5","5","1","1","2","1","7","1") = "6"
    & skf21("5","5","1","1","2","2","1","1") = "4"
    & skf21("5","5","1","1","2","2","2","1") = "4"
    & skf21("5","5","1","1","2","2","3","1") = "4"
    & skf21("5","5","1","1","2","2","4","1") = "4"
    & skf21("5","5","1","1","2","2","5","1") = "4"
    & skf21("5","5","1","1","2","2","6","1") = "5"
    & skf21("5","5","1","1","2","2","7","1") = "6"
    & skf21("5","5","1","1","2","3","1","1") = "4"
    & skf21("5","5","1","1","2","3","2","1") = "4"
    & skf21("5","5","1","1","2","3","3","1") = "4"
    & skf21("5","5","1","1","2","3","4","1") = "4"
    & skf21("5","5","1","1","2","3","5","1") = "4"
    & skf21("5","5","1","1","2","3","6","1") = "5"
    & skf21("5","5","1","1","2","3","7","1") = "6"
    & skf21("5","5","1","1","2","4","1","1") = "4"
    & skf21("5","5","1","1","2","4","2","1") = "4"
    & skf21("5","5","1","1","2","4","3","1") = "4"
    & skf21("5","5","1","1","2","4","4","1") = "4"
    & skf21("5","5","1","1","2","4","5","1") = "4"
    & skf21("5","5","1","1","2","4","6","1") = "5"
    & skf21("5","5","1","1","2","4","7","1") = "6"
    & skf21("5","5","1","1","2","5","1","1") = "4"
    & skf21("5","5","1","1","2","5","2","1") = "4"
    & skf21("5","5","1","1","2","5","3","1") = "4"
    & skf21("5","5","1","1","2","5","4","1") = "4"
    & skf21("5","5","1","1","2","5","5","1") = "4"
    & skf21("5","5","1","1","2","5","6","1") = "5"
    & skf21("5","5","1","1","2","5","7","1") = "6"
    & skf21("5","5","1","1","2","6","1","1") = "5"
    & skf21("5","5","1","1","2","6","2","1") = "5"
    & skf21("5","5","1","1","2","6","3","1") = "5"
    & skf21("5","5","1","1","2","6","4","1") = "5"
    & skf21("5","5","1","1","2","6","5","1") = "5"
    & skf21("5","5","1","1","2","6","6","1") = "5"
    & skf21("5","5","1","1","2","6","7","1") = "6"
    & skf21("5","5","1","1","2","7","1","1") = "6"
    & skf21("5","5","1","1","2","7","2","1") = "6"
    & skf21("5","5","1","1","2","7","3","1") = "6"
    & skf21("5","5","1","1","2","7","4","1") = "6"
    & skf21("5","5","1","1","2","7","5","1") = "6"
    & skf21("5","5","1","1","2","7","6","1") = "6"
    & skf21("5","5","1","1","2","7","7","1") = "6"
    & skf21("5","5","1","1","3","1","1","1") = "4"
    & skf21("5","5","1","1","3","1","2","1") = "4"
    & skf21("5","5","1","1","3","1","3","1") = "4"
    & skf21("5","5","1","1","3","1","4","1") = "4"
    & skf21("5","5","1","1","3","1","5","1") = "4"
    & skf21("5","5","1","1","3","1","6","1") = "5"
    & skf21("5","5","1","1","3","1","7","1") = "6"
    & skf21("5","5","1","1","3","2","1","1") = "4"
    & skf21("5","5","1","1","3","2","2","1") = "4"
    & skf21("5","5","1","1","3","2","3","1") = "4"
    & skf21("5","5","1","1","3","2","4","1") = "4"
    & skf21("5","5","1","1","3","2","5","1") = "4"
    & skf21("5","5","1","1","3","2","6","1") = "5"
    & skf21("5","5","1","1","3","2","7","1") = "6"
    & skf21("5","5","1","1","3","3","1","1") = "4"
    & skf21("5","5","1","1","3","3","2","1") = "4"
    & skf21("5","5","1","1","3","3","3","1") = "4"
    & skf21("5","5","1","1","3","3","4","1") = "4"
    & skf21("5","5","1","1","3","3","5","1") = "4"
    & skf21("5","5","1","1","3","3","6","1") = "5"
    & skf21("5","5","1","1","3","3","7","1") = "6"
    & skf21("5","5","1","1","3","4","1","1") = "4"
    & skf21("5","5","1","1","3","4","2","1") = "4"
    & skf21("5","5","1","1","3","4","3","1") = "4"
    & skf21("5","5","1","1","3","4","4","1") = "4"
    & skf21("5","5","1","1","3","4","5","1") = "4"
    & skf21("5","5","1","1","3","4","6","1") = "5"
    & skf21("5","5","1","1","3","4","7","1") = "6"
    & skf21("5","5","1","1","3","5","1","1") = "4"
    & skf21("5","5","1","1","3","5","2","1") = "4"
    & skf21("5","5","1","1","3","5","3","1") = "4"
    & skf21("5","5","1","1","3","5","4","1") = "4"
    & skf21("5","5","1","1","3","5","5","1") = "4"
    & skf21("5","5","1","1","3","5","6","1") = "5"
    & skf21("5","5","1","1","3","5","7","1") = "6"
    & skf21("5","5","1","1","3","6","1","1") = "5"
    & skf21("5","5","1","1","3","6","2","1") = "5"
    & skf21("5","5","1","1","3","6","3","1") = "5"
    & skf21("5","5","1","1","3","6","4","1") = "5"
    & skf21("5","5","1","1","3","6","5","1") = "5"
    & skf21("5","5","1","1","3","6","6","1") = "5"
    & skf21("5","5","1","1","3","6","7","1") = "6"
    & skf21("5","5","1","1","3","7","1","1") = "6"
    & skf21("5","5","1","1","3","7","2","1") = "6"
    & skf21("5","5","1","1","3","7","3","1") = "6"
    & skf21("5","5","1","1","3","7","4","1") = "6"
    & skf21("5","5","1","1","3","7","5","1") = "6"
    & skf21("5","5","1","1","3","7","6","1") = "6"
    & skf21("5","5","1","1","3","7","7","1") = "6"
    & skf21("5","5","1","1","4","1","1","1") = "4"
    & skf21("5","5","1","1","4","1","2","1") = "4"
    & skf21("5","5","1","1","4","1","3","1") = "4"
    & skf21("5","5","1","1","4","1","4","1") = "4"
    & skf21("5","5","1","1","4","1","5","1") = "4"
    & skf21("5","5","1","1","4","1","6","1") = "5"
    & skf21("5","5","1","1","4","1","7","1") = "6"
    & skf21("5","5","1","1","4","2","1","1") = "4"
    & skf21("5","5","1","1","4","2","2","1") = "4"
    & skf21("5","5","1","1","4","2","3","1") = "4"
    & skf21("5","5","1","1","4","2","4","1") = "4"
    & skf21("5","5","1","1","4","2","5","1") = "4"
    & skf21("5","5","1","1","4","2","6","1") = "5"
    & skf21("5","5","1","1","4","2","7","1") = "6"
    & skf21("5","5","1","1","4","3","1","1") = "4"
    & skf21("5","5","1","1","4","3","2","1") = "4"
    & skf21("5","5","1","1","4","3","3","1") = "4"
    & skf21("5","5","1","1","4","3","4","1") = "4"
    & skf21("5","5","1","1","4","3","5","1") = "4"
    & skf21("5","5","1","1","4","3","6","1") = "5"
    & skf21("5","5","1","1","4","3","7","1") = "6"
    & skf21("5","5","1","1","4","4","1","1") = "4"
    & skf21("5","5","1","1","4","4","2","1") = "4"
    & skf21("5","5","1","1","4","4","3","1") = "4"
    & skf21("5","5","1","1","4","4","4","1") = "4"
    & skf21("5","5","1","1","4","4","5","1") = "4"
    & skf21("5","5","1","1","4","4","6","1") = "5"
    & skf21("5","5","1","1","4","4","7","1") = "6"
    & skf21("5","5","1","1","4","5","1","1") = "4"
    & skf21("5","5","1","1","4","5","2","1") = "4"
    & skf21("5","5","1","1","4","5","3","1") = "4"
    & skf21("5","5","1","1","4","5","4","1") = "4"
    & skf21("5","5","1","1","4","5","5","1") = "4"
    & skf21("5","5","1","1","4","5","6","1") = "5"
    & skf21("5","5","1","1","4","5","7","1") = "6"
    & skf21("5","5","1","1","4","6","1","1") = "5"
    & skf21("5","5","1","1","4","6","2","1") = "5"
    & skf21("5","5","1","1","4","6","3","1") = "5"
    & skf21("5","5","1","1","4","6","4","1") = "5"
    & skf21("5","5","1","1","4","6","5","1") = "5"
    & skf21("5","5","1","1","4","6","6","1") = "5"
    & skf21("5","5","1","1","4","6","7","1") = "6"
    & skf21("5","5","1","1","4","7","1","1") = "6"
    & skf21("5","5","1","1","4","7","2","1") = "6"
    & skf21("5","5","1","1","4","7","3","1") = "6"
    & skf21("5","5","1","1","4","7","4","1") = "6"
    & skf21("5","5","1","1","4","7","5","1") = "6"
    & skf21("5","5","1","1","4","7","6","1") = "6"
    & skf21("5","5","1","1","4","7","7","1") = "6"
    & skf21("5","5","1","1","5","1","1","1") = "4"
    & skf21("5","5","1","1","5","1","2","1") = "4"
    & skf21("5","5","1","1","5","1","3","1") = "4"
    & skf21("5","5","1","1","5","1","4","1") = "4"
    & skf21("5","5","1","1","5","1","5","1") = "4"
    & skf21("5","5","1","1","5","1","6","1") = "5"
    & skf21("5","5","1","1","5","1","7","1") = "6"
    & skf21("5","5","1","1","5","2","1","1") = "4"
    & skf21("5","5","1","1","5","2","2","1") = "4"
    & skf21("5","5","1","1","5","2","3","1") = "4"
    & skf21("5","5","1","1","5","2","4","1") = "4"
    & skf21("5","5","1","1","5","2","5","1") = "4"
    & skf21("5","5","1","1","5","2","6","1") = "5"
    & skf21("5","5","1","1","5","2","7","1") = "6"
    & skf21("5","5","1","1","5","3","1","1") = "4"
    & skf21("5","5","1","1","5","3","2","1") = "4"
    & skf21("5","5","1","1","5","3","3","1") = "4"
    & skf21("5","5","1","1","5","3","4","1") = "4"
    & skf21("5","5","1","1","5","3","5","1") = "4"
    & skf21("5","5","1","1","5","3","6","1") = "5"
    & skf21("5","5","1","1","5","3","7","1") = "6"
    & skf21("5","5","1","1","5","4","1","1") = "4"
    & skf21("5","5","1","1","5","4","2","1") = "4"
    & skf21("5","5","1","1","5","4","3","1") = "4"
    & skf21("5","5","1","1","5","4","4","1") = "4"
    & skf21("5","5","1","1","5","4","5","1") = "4"
    & skf21("5","5","1","1","5","4","6","1") = "5"
    & skf21("5","5","1","1","5","4","7","1") = "6"
    & skf21("5","5","1","1","5","5","1","1") = "4"
    & skf21("5","5","1","1","5","5","2","1") = "4"
    & skf21("5","5","1","1","5","5","3","1") = "4"
    & skf21("5","5","1","1","5","5","4","1") = "4"
    & skf21("5","5","1","1","5","5","5","1") = "4"
    & skf21("5","5","1","1","5","5","6","1") = "5"
    & skf21("5","5","1","1","5","5","7","1") = "6"
    & skf21("5","5","1","1","5","6","1","1") = "5"
    & skf21("5","5","1","1","5","6","2","1") = "5"
    & skf21("5","5","1","1","5","6","3","1") = "5"
    & skf21("5","5","1","1","5","6","4","1") = "5"
    & skf21("5","5","1","1","5","6","5","1") = "5"
    & skf21("5","5","1","1","5","6","6","1") = "5"
    & skf21("5","5","1","1","5","6","7","1") = "6"
    & skf21("5","5","1","1","5","7","1","1") = "6"
    & skf21("5","5","1","1","5","7","2","1") = "6"
    & skf21("5","5","1","1","5","7","3","1") = "6"
    & skf21("5","5","1","1","5","7","4","1") = "6"
    & skf21("5","5","1","1","5","7","5","1") = "6"
    & skf21("5","5","1","1","5","7","6","1") = "6"
    & skf21("5","5","1","1","5","7","7","1") = "6"
    & skf21("5","5","1","1","6","1","1","1") = "5"
    & skf21("5","5","1","1","6","1","2","1") = "5"
    & skf21("5","5","1","1","6","1","3","1") = "5"
    & skf21("5","5","1","1","6","1","4","1") = "5"
    & skf21("5","5","1","1","6","1","5","1") = "5"
    & skf21("5","5","1","1","6","1","6","1") = "5"
    & skf21("5","5","1","1","6","1","7","1") = "6"
    & skf21("5","5","1","1","6","2","1","1") = "5"
    & skf21("5","5","1","1","6","2","2","1") = "5"
    & skf21("5","5","1","1","6","2","3","1") = "5"
    & skf21("5","5","1","1","6","2","4","1") = "5"
    & skf21("5","5","1","1","6","2","5","1") = "5"
    & skf21("5","5","1","1","6","2","6","1") = "5"
    & skf21("5","5","1","1","6","2","7","1") = "6"
    & skf21("5","5","1","1","6","3","1","1") = "5"
    & skf21("5","5","1","1","6","3","2","1") = "5"
    & skf21("5","5","1","1","6","3","3","1") = "5"
    & skf21("5","5","1","1","6","3","4","1") = "5"
    & skf21("5","5","1","1","6","3","5","1") = "5"
    & skf21("5","5","1","1","6","3","6","1") = "5"
    & skf21("5","5","1","1","6","3","7","1") = "6"
    & skf21("5","5","1","1","6","4","1","1") = "5"
    & skf21("5","5","1","1","6","4","2","1") = "5"
    & skf21("5","5","1","1","6","4","3","1") = "5"
    & skf21("5","5","1","1","6","4","4","1") = "5"
    & skf21("5","5","1","1","6","4","5","1") = "5"
    & skf21("5","5","1","1","6","4","6","1") = "5"
    & skf21("5","5","1","1","6","4","7","1") = "6"
    & skf21("5","5","1","1","6","5","1","1") = "5"
    & skf21("5","5","1","1","6","5","2","1") = "5"
    & skf21("5","5","1","1","6","5","3","1") = "5"
    & skf21("5","5","1","1","6","5","4","1") = "5"
    & skf21("5","5","1","1","6","5","5","1") = "5"
    & skf21("5","5","1","1","6","5","6","1") = "5"
    & skf21("5","5","1","1","6","5","7","1") = "6"
    & skf21("5","5","1","1","6","6","1","1") = "5"
    & skf21("5","5","1","1","6","6","2","1") = "5"
    & skf21("5","5","1","1","6","6","3","1") = "5"
    & skf21("5","5","1","1","6","6","4","1") = "5"
    & skf21("5","5","1","1","6","6","5","1") = "5"
    & skf21("5","5","1","1","6","6","6","1") = "5"
    & skf21("5","5","1","1","6","6","7","1") = "6"
    & skf21("5","5","1","1","6","7","1","1") = "6"
    & skf21("5","5","1","1","6","7","2","1") = "6"
    & skf21("5","5","1","1","6","7","3","1") = "6"
    & skf21("5","5","1","1","6","7","4","1") = "6"
    & skf21("5","5","1","1","6","7","5","1") = "6"
    & skf21("5","5","1","1","6","7","6","1") = "6"
    & skf21("5","5","1","1","6","7","7","1") = "6"
    & skf21("5","5","1","1","7","1","1","1") = "6"
    & skf21("5","5","1","1","7","1","2","1") = "6"
    & skf21("5","5","1","1","7","1","3","1") = "6"
    & skf21("5","5","1","1","7","1","4","1") = "6"
    & skf21("5","5","1","1","7","1","5","1") = "6"
    & skf21("5","5","1","1","7","1","6","1") = "6"
    & skf21("5","5","1","1","7","1","7","1") = "6"
    & skf21("5","5","1","1","7","2","1","1") = "6"
    & skf21("5","5","1","1","7","2","2","1") = "6"
    & skf21("5","5","1","1","7","2","3","1") = "6"
    & skf21("5","5","1","1","7","2","4","1") = "6"
    & skf21("5","5","1","1","7","2","5","1") = "6"
    & skf21("5","5","1","1","7","2","6","1") = "6"
    & skf21("5","5","1","1","7","2","7","1") = "6"
    & skf21("5","5","1","1","7","3","1","1") = "6"
    & skf21("5","5","1","1","7","3","2","1") = "6"
    & skf21("5","5","1","1","7","3","3","1") = "6"
    & skf21("5","5","1","1","7","3","4","1") = "6"
    & skf21("5","5","1","1","7","3","5","1") = "6"
    & skf21("5","5","1","1","7","3","6","1") = "6"
    & skf21("5","5","1","1","7","3","7","1") = "6"
    & skf21("5","5","1","1","7","4","1","1") = "6"
    & skf21("5","5","1","1","7","4","2","1") = "6"
    & skf21("5","5","1","1","7","4","3","1") = "6"
    & skf21("5","5","1","1","7","4","4","1") = "6"
    & skf21("5","5","1","1","7","4","5","1") = "6"
    & skf21("5","5","1","1","7","4","6","1") = "6"
    & skf21("5","5","1","1","7","4","7","1") = "6"
    & skf21("5","5","1","1","7","5","1","1") = "6"
    & skf21("5","5","1","1","7","5","2","1") = "6"
    & skf21("5","5","1","1","7","5","3","1") = "6"
    & skf21("5","5","1","1","7","5","4","1") = "6"
    & skf21("5","5","1","1","7","5","5","1") = "6"
    & skf21("5","5","1","1","7","5","6","1") = "6"
    & skf21("5","5","1","1","7","5","7","1") = "6"
    & skf21("5","5","1","1","7","6","1","1") = "6"
    & skf21("5","5","1","1","7","6","2","1") = "6"
    & skf21("5","5","1","1","7","6","3","1") = "6"
    & skf21("5","5","1","1","7","6","4","1") = "6"
    & skf21("5","5","1","1","7","6","5","1") = "6"
    & skf21("5","5","1","1","7","6","6","1") = "6"
    & skf21("5","5","1","1","7","6","7","1") = "6"
    & skf21("5","5","1","1","7","7","1","1") = "6"
    & skf21("5","5","1","1","7","7","2","1") = "6"
    & skf21("5","5","1","1","7","7","3","1") = "6"
    & skf21("5","5","1","1","7","7","4","1") = "6"
    & skf21("5","5","1","1","7","7","5","1") = "6"
    & skf21("5","5","1","1","7","7","6","1") = "6"
    & skf21("5","5","1","1","7","7","7","1") = "6"
    & skf21("5","5","1","2","1","1","1","1") = "4"
    & skf21("5","5","1","2","1","1","2","1") = "4"
    & skf21("5","5","1","2","1","1","3","1") = "4"
    & skf21("5","5","1","2","1","1","4","1") = "4"
    & skf21("5","5","1","2","1","1","5","1") = "4"
    & skf21("5","5","1","2","1","1","6","1") = "5"
    & skf21("5","5","1","2","1","1","7","1") = "6"
    & skf21("5","5","1","2","1","2","1","1") = "4"
    & skf21("5","5","1","2","1","2","2","1") = "4"
    & skf21("5","5","1","2","1","2","3","1") = "4"
    & skf21("5","5","1","2","1","2","4","1") = "4"
    & skf21("5","5","1","2","1","2","5","1") = "4"
    & skf21("5","5","1","2","1","2","6","1") = "5"
    & skf21("5","5","1","2","1","2","7","1") = "6"
    & skf21("5","5","1","2","1","3","1","1") = "4"
    & skf21("5","5","1","2","1","3","2","1") = "4"
    & skf21("5","5","1","2","1","3","3","1") = "4"
    & skf21("5","5","1","2","1","3","4","1") = "4"
    & skf21("5","5","1","2","1","3","5","1") = "4"
    & skf21("5","5","1","2","1","3","6","1") = "5"
    & skf21("5","5","1","2","1","3","7","1") = "6"
    & skf21("5","5","1","2","1","4","1","1") = "4"
    & skf21("5","5","1","2","1","4","2","1") = "4"
    & skf21("5","5","1","2","1","4","3","1") = "4"
    & skf21("5","5","1","2","1","4","4","1") = "4"
    & skf21("5","5","1","2","1","4","5","1") = "4"
    & skf21("5","5","1","2","1","4","6","1") = "5"
    & skf21("5","5","1","2","1","4","7","1") = "6"
    & skf21("5","5","1","2","1","5","1","1") = "4"
    & skf21("5","5","1","2","1","5","2","1") = "4"
    & skf21("5","5","1","2","1","5","3","1") = "4"
    & skf21("5","5","1","2","1","5","4","1") = "4"
    & skf21("5","5","1","2","1","5","5","1") = "4"
    & skf21("5","5","1","2","1","5","6","1") = "5"
    & skf21("5","5","1","2","1","5","7","1") = "6"
    & skf21("5","5","1","2","1","6","1","1") = "5"
    & skf21("5","5","1","2","1","6","2","1") = "5"
    & skf21("5","5","1","2","1","6","3","1") = "5"
    & skf21("5","5","1","2","1","6","4","1") = "5"
    & skf21("5","5","1","2","1","6","5","1") = "5"
    & skf21("5","5","1","2","1","6","6","1") = "5"
    & skf21("5","5","1","2","1","6","7","1") = "6"
    & skf21("5","5","1","2","1","7","1","1") = "6"
    & skf21("5","5","1","2","1","7","2","1") = "6"
    & skf21("5","5","1","2","1","7","3","1") = "6"
    & skf21("5","5","1","2","1","7","4","1") = "6"
    & skf21("5","5","1","2","1","7","5","1") = "6"
    & skf21("5","5","1","2","1","7","6","1") = "6"
    & skf21("5","5","1","2","1","7","7","1") = "6"
    & skf21("5","5","1","2","2","1","1","1") = "4"
    & skf21("5","5","1","2","2","1","2","1") = "4"
    & skf21("5","5","1","2","2","1","3","1") = "4"
    & skf21("5","5","1","2","2","1","4","1") = "4"
    & skf21("5","5","1","2","2","1","5","1") = "4"
    & skf21("5","5","1","2","2","1","6","1") = "5"
    & skf21("5","5","1","2","2","1","7","1") = "6"
    & skf21("5","5","1","2","2","2","1","1") = "4"
    & skf21("5","5","1","2","2","2","2","1") = "4"
    & skf21("5","5","1","2","2","2","3","1") = "4"
    & skf21("5","5","1","2","2","2","4","1") = "4"
    & skf21("5","5","1","2","2","2","5","1") = "4"
    & skf21("5","5","1","2","2","2","6","1") = "5"
    & skf21("5","5","1","2","2","2","7","1") = "6"
    & skf21("5","5","1","2","2","3","1","1") = "4"
    & skf21("5","5","1","2","2","3","2","1") = "4"
    & skf21("5","5","1","2","2","3","3","1") = "4"
    & skf21("5","5","1","2","2","3","4","1") = "4"
    & skf21("5","5","1","2","2","3","5","1") = "4"
    & skf21("5","5","1","2","2","3","6","1") = "5"
    & skf21("5","5","1","2","2","3","7","1") = "6"
    & skf21("5","5","1","2","2","4","1","1") = "4"
    & skf21("5","5","1","2","2","4","2","1") = "4"
    & skf21("5","5","1","2","2","4","3","1") = "4"
    & skf21("5","5","1","2","2","4","4","1") = "4"
    & skf21("5","5","1","2","2","4","5","1") = "4"
    & skf21("5","5","1","2","2","4","6","1") = "5"
    & skf21("5","5","1","2","2","4","7","1") = "6"
    & skf21("5","5","1","2","2","5","1","1") = "4"
    & skf21("5","5","1","2","2","5","2","1") = "4"
    & skf21("5","5","1","2","2","5","3","1") = "4"
    & skf21("5","5","1","2","2","5","4","1") = "4"
    & skf21("5","5","1","2","2","5","5","1") = "4"
    & skf21("5","5","1","2","2","5","6","1") = "5"
    & skf21("5","5","1","2","2","5","7","1") = "6"
    & skf21("5","5","1","2","2","6","1","1") = "5"
    & skf21("5","5","1","2","2","6","2","1") = "5"
    & skf21("5","5","1","2","2","6","3","1") = "5"
    & skf21("5","5","1","2","2","6","4","1") = "5"
    & skf21("5","5","1","2","2","6","5","1") = "5"
    & skf21("5","5","1","2","2","6","6","1") = "5"
    & skf21("5","5","1","2","2","6","7","1") = "6"
    & skf21("5","5","1","2","2","7","1","1") = "6"
    & skf21("5","5","1","2","2","7","2","1") = "6"
    & skf21("5","5","1","2","2","7","3","1") = "6"
    & skf21("5","5","1","2","2","7","4","1") = "6"
    & skf21("5","5","1","2","2","7","5","1") = "6"
    & skf21("5","5","1","2","2","7","6","1") = "6"
    & skf21("5","5","1","2","2","7","7","1") = "6"
    & skf21("5","5","1","2","3","1","1","1") = "4"
    & skf21("5","5","1","2","3","1","2","1") = "4"
    & skf21("5","5","1","2","3","1","3","1") = "4"
    & skf21("5","5","1","2","3","1","4","1") = "4"
    & skf21("5","5","1","2","3","1","5","1") = "4"
    & skf21("5","5","1","2","3","1","6","1") = "5"
    & skf21("5","5","1","2","3","1","7","1") = "6"
    & skf21("5","5","1","2","3","2","1","1") = "4"
    & skf21("5","5","1","2","3","2","2","1") = "4"
    & skf21("5","5","1","2","3","2","3","1") = "4"
    & skf21("5","5","1","2","3","2","4","1") = "4"
    & skf21("5","5","1","2","3","2","5","1") = "4"
    & skf21("5","5","1","2","3","2","6","1") = "5"
    & skf21("5","5","1","2","3","2","7","1") = "6"
    & skf21("5","5","1","2","3","3","1","1") = "4"
    & skf21("5","5","1","2","3","3","2","1") = "4"
    & skf21("5","5","1","2","3","3","3","1") = "4"
    & skf21("5","5","1","2","3","3","4","1") = "4"
    & skf21("5","5","1","2","3","3","5","1") = "4"
    & skf21("5","5","1","2","3","3","6","1") = "5"
    & skf21("5","5","1","2","3","3","7","1") = "6"
    & skf21("5","5","1","2","3","4","1","1") = "4"
    & skf21("5","5","1","2","3","4","2","1") = "4"
    & skf21("5","5","1","2","3","4","3","1") = "4"
    & skf21("5","5","1","2","3","4","4","1") = "4"
    & skf21("5","5","1","2","3","4","5","1") = "4"
    & skf21("5","5","1","2","3","4","6","1") = "5"
    & skf21("5","5","1","2","3","4","7","1") = "6"
    & skf21("5","5","1","2","3","5","1","1") = "4"
    & skf21("5","5","1","2","3","5","2","1") = "4"
    & skf21("5","5","1","2","3","5","3","1") = "4"
    & skf21("5","5","1","2","3","5","4","1") = "4"
    & skf21("5","5","1","2","3","5","5","1") = "4"
    & skf21("5","5","1","2","3","5","6","1") = "5"
    & skf21("5","5","1","2","3","5","7","1") = "6"
    & skf21("5","5","1","2","3","6","1","1") = "5"
    & skf21("5","5","1","2","3","6","2","1") = "5"
    & skf21("5","5","1","2","3","6","3","1") = "5"
    & skf21("5","5","1","2","3","6","4","1") = "5"
    & skf21("5","5","1","2","3","6","5","1") = "5"
    & skf21("5","5","1","2","3","6","6","1") = "5"
    & skf21("5","5","1","2","3","6","7","1") = "6"
    & skf21("5","5","1","2","3","7","1","1") = "6"
    & skf21("5","5","1","2","3","7","2","1") = "6"
    & skf21("5","5","1","2","3","7","3","1") = "6"
    & skf21("5","5","1","2","3","7","4","1") = "6"
    & skf21("5","5","1","2","3","7","5","1") = "6"
    & skf21("5","5","1","2","3","7","6","1") = "6"
    & skf21("5","5","1","2","3","7","7","1") = "6"
    & skf21("5","5","1","2","4","1","1","1") = "4"
    & skf21("5","5","1","2","4","1","2","1") = "4"
    & skf21("5","5","1","2","4","1","3","1") = "4"
    & skf21("5","5","1","2","4","1","4","1") = "4"
    & skf21("5","5","1","2","4","1","5","1") = "4"
    & skf21("5","5","1","2","4","1","6","1") = "5"
    & skf21("5","5","1","2","4","1","7","1") = "6"
    & skf21("5","5","1","2","4","2","1","1") = "4"
    & skf21("5","5","1","2","4","2","2","1") = "4"
    & skf21("5","5","1","2","4","2","3","1") = "4"
    & skf21("5","5","1","2","4","2","4","1") = "4"
    & skf21("5","5","1","2","4","2","5","1") = "4"
    & skf21("5","5","1","2","4","2","6","1") = "5"
    & skf21("5","5","1","2","4","2","7","1") = "6"
    & skf21("5","5","1","2","4","3","1","1") = "4"
    & skf21("5","5","1","2","4","3","2","1") = "4"
    & skf21("5","5","1","2","4","3","3","1") = "4"
    & skf21("5","5","1","2","4","3","4","1") = "4"
    & skf21("5","5","1","2","4","3","5","1") = "4"
    & skf21("5","5","1","2","4","3","6","1") = "5"
    & skf21("5","5","1","2","4","3","7","1") = "6"
    & skf21("5","5","1","2","4","4","1","1") = "4"
    & skf21("5","5","1","2","4","4","2","1") = "4"
    & skf21("5","5","1","2","4","4","3","1") = "4"
    & skf21("5","5","1","2","4","4","4","1") = "4"
    & skf21("5","5","1","2","4","4","5","1") = "4"
    & skf21("5","5","1","2","4","4","6","1") = "5"
    & skf21("5","5","1","2","4","4","7","1") = "6"
    & skf21("5","5","1","2","4","5","1","1") = "4"
    & skf21("5","5","1","2","4","5","2","1") = "4"
    & skf21("5","5","1","2","4","5","3","1") = "4"
    & skf21("5","5","1","2","4","5","4","1") = "4"
    & skf21("5","5","1","2","4","5","5","1") = "4"
    & skf21("5","5","1","2","4","5","6","1") = "5"
    & skf21("5","5","1","2","4","5","7","1") = "6"
    & skf21("5","5","1","2","4","6","1","1") = "5"
    & skf21("5","5","1","2","4","6","2","1") = "5"
    & skf21("5","5","1","2","4","6","3","1") = "5"
    & skf21("5","5","1","2","4","6","4","1") = "5"
    & skf21("5","5","1","2","4","6","5","1") = "5"
    & skf21("5","5","1","2","4","6","6","1") = "5"
    & skf21("5","5","1","2","4","6","7","1") = "6"
    & skf21("5","5","1","2","4","7","1","1") = "6"
    & skf21("5","5","1","2","4","7","2","1") = "6"
    & skf21("5","5","1","2","4","7","3","1") = "6"
    & skf21("5","5","1","2","4","7","4","1") = "6"
    & skf21("5","5","1","2","4","7","5","1") = "6"
    & skf21("5","5","1","2","4","7","6","1") = "6"
    & skf21("5","5","1","2","4","7","7","1") = "6"
    & skf21("5","5","1","2","5","1","1","1") = "4"
    & skf21("5","5","1","2","5","1","2","1") = "4"
    & skf21("5","5","1","2","5","1","3","1") = "4"
    & skf21("5","5","1","2","5","1","4","1") = "4"
    & skf21("5","5","1","2","5","1","5","1") = "4"
    & skf21("5","5","1","2","5","1","6","1") = "5"
    & skf21("5","5","1","2","5","1","7","1") = "6"
    & skf21("5","5","1","2","5","2","1","1") = "4"
    & skf21("5","5","1","2","5","2","2","1") = "4"
    & skf21("5","5","1","2","5","2","3","1") = "4"
    & skf21("5","5","1","2","5","2","4","1") = "4"
    & skf21("5","5","1","2","5","2","5","1") = "4"
    & skf21("5","5","1","2","5","2","6","1") = "5"
    & skf21("5","5","1","2","5","2","7","1") = "6"
    & skf21("5","5","1","2","5","3","1","1") = "4"
    & skf21("5","5","1","2","5","3","2","1") = "4"
    & skf21("5","5","1","2","5","3","3","1") = "4"
    & skf21("5","5","1","2","5","3","4","1") = "4"
    & skf21("5","5","1","2","5","3","5","1") = "4"
    & skf21("5","5","1","2","5","3","6","1") = "5"
    & skf21("5","5","1","2","5","3","7","1") = "6"
    & skf21("5","5","1","2","5","4","1","1") = "4"
    & skf21("5","5","1","2","5","4","2","1") = "4"
    & skf21("5","5","1","2","5","4","3","1") = "4"
    & skf21("5","5","1","2","5","4","4","1") = "4"
    & skf21("5","5","1","2","5","4","5","1") = "4"
    & skf21("5","5","1","2","5","4","6","1") = "5"
    & skf21("5","5","1","2","5","4","7","1") = "6"
    & skf21("5","5","1","2","5","5","1","1") = "4"
    & skf21("5","5","1","2","5","5","2","1") = "4"
    & skf21("5","5","1","2","5","5","3","1") = "4"
    & skf21("5","5","1","2","5","5","4","1") = "4"
    & skf21("5","5","1","2","5","5","5","1") = "4"
    & skf21("5","5","1","2","5","5","6","1") = "5"
    & skf21("5","5","1","2","5","5","7","1") = "6"
    & skf21("5","5","1","2","5","6","1","1") = "5"
    & skf21("5","5","1","2","5","6","2","1") = "5"
    & skf21("5","5","1","2","5","6","3","1") = "5"
    & skf21("5","5","1","2","5","6","4","1") = "5"
    & skf21("5","5","1","2","5","6","5","1") = "5"
    & skf21("5","5","1","2","5","6","6","1") = "5"
    & skf21("5","5","1","2","5","6","7","1") = "6"
    & skf21("5","5","1","2","5","7","1","1") = "6"
    & skf21("5","5","1","2","5","7","2","1") = "6"
    & skf21("5","5","1","2","5","7","3","1") = "6"
    & skf21("5","5","1","2","5","7","4","1") = "6"
    & skf21("5","5","1","2","5","7","5","1") = "6"
    & skf21("5","5","1","2","5","7","6","1") = "6"
    & skf21("5","5","1","2","5","7","7","1") = "6"
    & skf21("5","5","1","2","6","1","1","1") = "5"
    & skf21("5","5","1","2","6","1","2","1") = "5"
    & skf21("5","5","1","2","6","1","3","1") = "5"
    & skf21("5","5","1","2","6","1","4","1") = "5"
    & skf21("5","5","1","2","6","1","5","1") = "5"
    & skf21("5","5","1","2","6","1","6","1") = "5"
    & skf21("5","5","1","2","6","1","7","1") = "6"
    & skf21("5","5","1","2","6","2","1","1") = "5"
    & skf21("5","5","1","2","6","2","2","1") = "5"
    & skf21("5","5","1","2","6","2","3","1") = "5"
    & skf21("5","5","1","2","6","2","4","1") = "5"
    & skf21("5","5","1","2","6","2","5","1") = "5"
    & skf21("5","5","1","2","6","2","6","1") = "5"
    & skf21("5","5","1","2","6","2","7","1") = "6"
    & skf21("5","5","1","2","6","3","1","1") = "5"
    & skf21("5","5","1","2","6","3","2","1") = "5"
    & skf21("5","5","1","2","6","3","3","1") = "5"
    & skf21("5","5","1","2","6","3","4","1") = "5"
    & skf21("5","5","1","2","6","3","5","1") = "5"
    & skf21("5","5","1","2","6","3","6","1") = "5"
    & skf21("5","5","1","2","6","3","7","1") = "6"
    & skf21("5","5","1","2","6","4","1","1") = "5"
    & skf21("5","5","1","2","6","4","2","1") = "5"
    & skf21("5","5","1","2","6","4","3","1") = "5"
    & skf21("5","5","1","2","6","4","4","1") = "5"
    & skf21("5","5","1","2","6","4","5","1") = "5"
    & skf21("5","5","1","2","6","4","6","1") = "5"
    & skf21("5","5","1","2","6","4","7","1") = "6"
    & skf21("5","5","1","2","6","5","1","1") = "5"
    & skf21("5","5","1","2","6","5","2","1") = "5"
    & skf21("5","5","1","2","6","5","3","1") = "5"
    & skf21("5","5","1","2","6","5","4","1") = "5"
    & skf21("5","5","1","2","6","5","5","1") = "5"
    & skf21("5","5","1","2","6","5","6","1") = "5"
    & skf21("5","5","1","2","6","5","7","1") = "6"
    & skf21("5","5","1","2","6","6","1","1") = "5"
    & skf21("5","5","1","2","6","6","2","1") = "5"
    & skf21("5","5","1","2","6","6","3","1") = "5"
    & skf21("5","5","1","2","6","6","4","1") = "5"
    & skf21("5","5","1","2","6","6","5","1") = "5"
    & skf21("5","5","1","2","6","6","6","1") = "5"
    & skf21("5","5","1","2","6","6","7","1") = "6"
    & skf21("5","5","1","2","6","7","1","1") = "6"
    & skf21("5","5","1","2","6","7","2","1") = "6"
    & skf21("5","5","1","2","6","7","3","1") = "6"
    & skf21("5","5","1","2","6","7","4","1") = "6"
    & skf21("5","5","1","2","6","7","5","1") = "6"
    & skf21("5","5","1","2","6","7","6","1") = "6"
    & skf21("5","5","1","2","6","7","7","1") = "6"
    & skf21("5","5","1","2","7","1","1","1") = "6"
    & skf21("5","5","1","2","7","1","2","1") = "6"
    & skf21("5","5","1","2","7","1","3","1") = "6"
    & skf21("5","5","1","2","7","1","4","1") = "6"
    & skf21("5","5","1","2","7","1","5","1") = "6"
    & skf21("5","5","1","2","7","1","6","1") = "6"
    & skf21("5","5","1","2","7","1","7","1") = "6"
    & skf21("5","5","1","2","7","2","1","1") = "6"
    & skf21("5","5","1","2","7","2","2","1") = "6"
    & skf21("5","5","1","2","7","2","3","1") = "6"
    & skf21("5","5","1","2","7","2","4","1") = "6"
    & skf21("5","5","1","2","7","2","5","1") = "6"
    & skf21("5","5","1","2","7","2","6","1") = "6"
    & skf21("5","5","1","2","7","2","7","1") = "6"
    & skf21("5","5","1","2","7","3","1","1") = "6"
    & skf21("5","5","1","2","7","3","2","1") = "6"
    & skf21("5","5","1","2","7","3","3","1") = "6"
    & skf21("5","5","1","2","7","3","4","1") = "6"
    & skf21("5","5","1","2","7","3","5","1") = "6"
    & skf21("5","5","1","2","7","3","6","1") = "6"
    & skf21("5","5","1","2","7","3","7","1") = "6"
    & skf21("5","5","1","2","7","4","1","1") = "6"
    & skf21("5","5","1","2","7","4","2","1") = "6"
    & skf21("5","5","1","2","7","4","3","1") = "6"
    & skf21("5","5","1","2","7","4","4","1") = "6"
    & skf21("5","5","1","2","7","4","5","1") = "6"
    & skf21("5","5","1","2","7","4","6","1") = "6"
    & skf21("5","5","1","2","7","4","7","1") = "6"
    & skf21("5","5","1","2","7","5","1","1") = "6"
    & skf21("5","5","1","2","7","5","2","1") = "6"
    & skf21("5","5","1","2","7","5","3","1") = "6"
    & skf21("5","5","1","2","7","5","4","1") = "6"
    & skf21("5","5","1","2","7","5","5","1") = "6"
    & skf21("5","5","1","2","7","5","6","1") = "6"
    & skf21("5","5","1","2","7","5","7","1") = "6"
    & skf21("5","5","1","2","7","6","1","1") = "6"
    & skf21("5","5","1","2","7","6","2","1") = "6"
    & skf21("5","5","1","2","7","6","3","1") = "6"
    & skf21("5","5","1","2","7","6","4","1") = "6"
    & skf21("5","5","1","2","7","6","5","1") = "6"
    & skf21("5","5","1","2","7","6","6","1") = "6"
    & skf21("5","5","1","2","7","6","7","1") = "6"
    & skf21("5","5","1","2","7","7","1","1") = "6"
    & skf21("5","5","1","2","7","7","2","1") = "6"
    & skf21("5","5","1","2","7","7","3","1") = "6"
    & skf21("5","5","1","2","7","7","4","1") = "6"
    & skf21("5","5","1","2","7","7","5","1") = "6"
    & skf21("5","5","1","2","7","7","6","1") = "6"
    & skf21("5","5","1","2","7","7","7","1") = "6"
    & skf21("5","5","1","3","1","1","1","1") = "4"
    & skf21("5","5","1","3","1","1","2","1") = "4"
    & skf21("5","5","1","3","1","1","3","1") = "4"
    & skf21("5","5","1","3","1","1","4","1") = "4"
    & skf21("5","5","1","3","1","1","5","1") = "4"
    & skf21("5","5","1","3","1","1","6","1") = "5"
    & skf21("5","5","1","3","1","1","7","1") = "6"
    & skf21("5","5","1","3","1","2","1","1") = "4"
    & skf21("5","5","1","3","1","2","2","1") = "4"
    & skf21("5","5","1","3","1","2","3","1") = "4"
    & skf21("5","5","1","3","1","2","4","1") = "4"
    & skf21("5","5","1","3","1","2","5","1") = "4"
    & skf21("5","5","1","3","1","2","6","1") = "5"
    & skf21("5","5","1","3","1","2","7","1") = "6"
    & skf21("5","5","1","3","1","3","1","1") = "4"
    & skf21("5","5","1","3","1","3","2","1") = "4"
    & skf21("5","5","1","3","1","3","3","1") = "4"
    & skf21("5","5","1","3","1","3","4","1") = "4"
    & skf21("5","5","1","3","1","3","5","1") = "4"
    & skf21("5","5","1","3","1","3","6","1") = "5"
    & skf21("5","5","1","3","1","3","7","1") = "6"
    & skf21("5","5","1","3","1","4","1","1") = "4"
    & skf21("5","5","1","3","1","4","2","1") = "4"
    & skf21("5","5","1","3","1","4","3","1") = "4"
    & skf21("5","5","1","3","1","4","4","1") = "4"
    & skf21("5","5","1","3","1","4","5","1") = "4"
    & skf21("5","5","1","3","1","4","6","1") = "5"
    & skf21("5","5","1","3","1","4","7","1") = "6"
    & skf21("5","5","1","3","1","5","1","1") = "4"
    & skf21("5","5","1","3","1","5","2","1") = "4"
    & skf21("5","5","1","3","1","5","3","1") = "4"
    & skf21("5","5","1","3","1","5","4","1") = "4"
    & skf21("5","5","1","3","1","5","5","1") = "4"
    & skf21("5","5","1","3","1","5","6","1") = "5"
    & skf21("5","5","1","3","1","5","7","1") = "6"
    & skf21("5","5","1","3","1","6","1","1") = "5"
    & skf21("5","5","1","3","1","6","2","1") = "5"
    & skf21("5","5","1","3","1","6","3","1") = "5"
    & skf21("5","5","1","3","1","6","4","1") = "5"
    & skf21("5","5","1","3","1","6","5","1") = "5"
    & skf21("5","5","1","3","1","6","6","1") = "5"
    & skf21("5","5","1","3","1","6","7","1") = "6"
    & skf21("5","5","1","3","1","7","1","1") = "6"
    & skf21("5","5","1","3","1","7","2","1") = "6"
    & skf21("5","5","1","3","1","7","3","1") = "6"
    & skf21("5","5","1","3","1","7","4","1") = "6"
    & skf21("5","5","1","3","1","7","5","1") = "6"
    & skf21("5","5","1","3","1","7","6","1") = "6"
    & skf21("5","5","1","3","1","7","7","1") = "6"
    & skf21("5","5","1","3","2","1","1","1") = "4"
    & skf21("5","5","1","3","2","1","2","1") = "4"
    & skf21("5","5","1","3","2","1","3","1") = "4"
    & skf21("5","5","1","3","2","1","4","1") = "4"
    & skf21("5","5","1","3","2","1","5","1") = "4"
    & skf21("5","5","1","3","2","1","6","1") = "5"
    & skf21("5","5","1","3","2","1","7","1") = "6"
    & skf21("5","5","1","3","2","2","1","1") = "4"
    & skf21("5","5","1","3","2","2","2","1") = "4"
    & skf21("5","5","1","3","2","2","3","1") = "4"
    & skf21("5","5","1","3","2","2","4","1") = "4"
    & skf21("5","5","1","3","2","2","5","1") = "4"
    & skf21("5","5","1","3","2","2","6","1") = "5"
    & skf21("5","5","1","3","2","2","7","1") = "6"
    & skf21("5","5","1","3","2","3","1","1") = "4"
    & skf21("5","5","1","3","2","3","2","1") = "4"
    & skf21("5","5","1","3","2","3","3","1") = "4"
    & skf21("5","5","1","3","2","3","4","1") = "4"
    & skf21("5","5","1","3","2","3","5","1") = "4"
    & skf21("5","5","1","3","2","3","6","1") = "5"
    & skf21("5","5","1","3","2","3","7","1") = "6"
    & skf21("5","5","1","3","2","4","1","1") = "4"
    & skf21("5","5","1","3","2","4","2","1") = "4"
    & skf21("5","5","1","3","2","4","3","1") = "4"
    & skf21("5","5","1","3","2","4","4","1") = "4"
    & skf21("5","5","1","3","2","4","5","1") = "4"
    & skf21("5","5","1","3","2","4","6","1") = "5"
    & skf21("5","5","1","3","2","4","7","1") = "6"
    & skf21("5","5","1","3","2","5","1","1") = "4"
    & skf21("5","5","1","3","2","5","2","1") = "4"
    & skf21("5","5","1","3","2","5","3","1") = "4"
    & skf21("5","5","1","3","2","5","4","1") = "4"
    & skf21("5","5","1","3","2","5","5","1") = "4"
    & skf21("5","5","1","3","2","5","6","1") = "5"
    & skf21("5","5","1","3","2","5","7","1") = "6"
    & skf21("5","5","1","3","2","6","1","1") = "5"
    & skf21("5","5","1","3","2","6","2","1") = "5"
    & skf21("5","5","1","3","2","6","3","1") = "5"
    & skf21("5","5","1","3","2","6","4","1") = "5"
    & skf21("5","5","1","3","2","6","5","1") = "5"
    & skf21("5","5","1","3","2","6","6","1") = "5"
    & skf21("5","5","1","3","2","6","7","1") = "6"
    & skf21("5","5","1","3","2","7","1","1") = "6"
    & skf21("5","5","1","3","2","7","2","1") = "6"
    & skf21("5","5","1","3","2","7","3","1") = "6"
    & skf21("5","5","1","3","2","7","4","1") = "6"
    & skf21("5","5","1","3","2","7","5","1") = "6"
    & skf21("5","5","1","3","2","7","6","1") = "6"
    & skf21("5","5","1","3","2","7","7","1") = "6"
    & skf21("5","5","1","3","3","1","1","1") = "4"
    & skf21("5","5","1","3","3","1","2","1") = "4"
    & skf21("5","5","1","3","3","1","3","1") = "4"
    & skf21("5","5","1","3","3","1","4","1") = "4"
    & skf21("5","5","1","3","3","1","5","1") = "4"
    & skf21("5","5","1","3","3","1","6","1") = "5"
    & skf21("5","5","1","3","3","1","7","1") = "6"
    & skf21("5","5","1","3","3","2","1","1") = "4"
    & skf21("5","5","1","3","3","2","2","1") = "4"
    & skf21("5","5","1","3","3","2","3","1") = "4"
    & skf21("5","5","1","3","3","2","4","1") = "4"
    & skf21("5","5","1","3","3","2","5","1") = "4"
    & skf21("5","5","1","3","3","2","6","1") = "5"
    & skf21("5","5","1","3","3","2","7","1") = "6"
    & skf21("5","5","1","3","3","3","1","1") = "4"
    & skf21("5","5","1","3","3","3","2","1") = "4"
    & skf21("5","5","1","3","3","3","3","1") = "4"
    & skf21("5","5","1","3","3","3","4","1") = "4"
    & skf21("5","5","1","3","3","3","5","1") = "4"
    & skf21("5","5","1","3","3","3","6","1") = "5"
    & skf21("5","5","1","3","3","3","7","1") = "6"
    & skf21("5","5","1","3","3","4","1","1") = "4"
    & skf21("5","5","1","3","3","4","2","1") = "4"
    & skf21("5","5","1","3","3","4","3","1") = "4"
    & skf21("5","5","1","3","3","4","4","1") = "4"
    & skf21("5","5","1","3","3","4","5","1") = "4"
    & skf21("5","5","1","3","3","4","6","1") = "5"
    & skf21("5","5","1","3","3","4","7","1") = "6"
    & skf21("5","5","1","3","3","5","1","1") = "4"
    & skf21("5","5","1","3","3","5","2","1") = "4"
    & skf21("5","5","1","3","3","5","3","1") = "4"
    & skf21("5","5","1","3","3","5","4","1") = "4"
    & skf21("5","5","1","3","3","5","5","1") = "4"
    & skf21("5","5","1","3","3","5","6","1") = "5"
    & skf21("5","5","1","3","3","5","7","1") = "6"
    & skf21("5","5","1","3","3","6","1","1") = "5"
    & skf21("5","5","1","3","3","6","2","1") = "5"
    & skf21("5","5","1","3","3","6","3","1") = "5"
    & skf21("5","5","1","3","3","6","4","1") = "5"
    & skf21("5","5","1","3","3","6","5","1") = "5"
    & skf21("5","5","1","3","3","6","6","1") = "5"
    & skf21("5","5","1","3","3","6","7","1") = "6"
    & skf21("5","5","1","3","3","7","1","1") = "6"
    & skf21("5","5","1","3","3","7","2","1") = "6"
    & skf21("5","5","1","3","3","7","3","1") = "6"
    & skf21("5","5","1","3","3","7","4","1") = "6"
    & skf21("5","5","1","3","3","7","5","1") = "6"
    & skf21("5","5","1","3","3","7","6","1") = "6"
    & skf21("5","5","1","3","3","7","7","1") = "6"
    & skf21("5","5","1","3","4","1","1","1") = "4"
    & skf21("5","5","1","3","4","1","2","1") = "4"
    & skf21("5","5","1","3","4","1","3","1") = "4"
    & skf21("5","5","1","3","4","1","4","1") = "4"
    & skf21("5","5","1","3","4","1","5","1") = "4"
    & skf21("5","5","1","3","4","1","6","1") = "5"
    & skf21("5","5","1","3","4","1","7","1") = "6"
    & skf21("5","5","1","3","4","2","1","1") = "4"
    & skf21("5","5","1","3","4","2","2","1") = "4"
    & skf21("5","5","1","3","4","2","3","1") = "4"
    & skf21("5","5","1","3","4","2","4","1") = "4"
    & skf21("5","5","1","3","4","2","5","1") = "4"
    & skf21("5","5","1","3","4","2","6","1") = "5"
    & skf21("5","5","1","3","4","2","7","1") = "6"
    & skf21("5","5","1","3","4","3","1","1") = "4"
    & skf21("5","5","1","3","4","3","2","1") = "4"
    & skf21("5","5","1","3","4","3","3","1") = "4"
    & skf21("5","5","1","3","4","3","4","1") = "4"
    & skf21("5","5","1","3","4","3","5","1") = "4"
    & skf21("5","5","1","3","4","3","6","1") = "5"
    & skf21("5","5","1","3","4","3","7","1") = "6"
    & skf21("5","5","1","3","4","4","1","1") = "4"
    & skf21("5","5","1","3","4","4","2","1") = "4"
    & skf21("5","5","1","3","4","4","3","1") = "4"
    & skf21("5","5","1","3","4","4","4","1") = "4"
    & skf21("5","5","1","3","4","4","5","1") = "4"
    & skf21("5","5","1","3","4","4","6","1") = "5"
    & skf21("5","5","1","3","4","4","7","1") = "6"
    & skf21("5","5","1","3","4","5","1","1") = "4"
    & skf21("5","5","1","3","4","5","2","1") = "4"
    & skf21("5","5","1","3","4","5","3","1") = "4"
    & skf21("5","5","1","3","4","5","4","1") = "4"
    & skf21("5","5","1","3","4","5","5","1") = "4"
    & skf21("5","5","1","3","4","5","6","1") = "5"
    & skf21("5","5","1","3","4","5","7","1") = "6"
    & skf21("5","5","1","3","4","6","1","1") = "5"
    & skf21("5","5","1","3","4","6","2","1") = "5"
    & skf21("5","5","1","3","4","6","3","1") = "5"
    & skf21("5","5","1","3","4","6","4","1") = "5"
    & skf21("5","5","1","3","4","6","5","1") = "5"
    & skf21("5","5","1","3","4","6","6","1") = "5"
    & skf21("5","5","1","3","4","6","7","1") = "6"
    & skf21("5","5","1","3","4","7","1","1") = "6"
    & skf21("5","5","1","3","4","7","2","1") = "6"
    & skf21("5","5","1","3","4","7","3","1") = "6"
    & skf21("5","5","1","3","4","7","4","1") = "6"
    & skf21("5","5","1","3","4","7","5","1") = "6"
    & skf21("5","5","1","3","4","7","6","1") = "6"
    & skf21("5","5","1","3","4","7","7","1") = "6"
    & skf21("5","5","1","3","5","1","1","1") = "4"
    & skf21("5","5","1","3","5","1","2","1") = "4"
    & skf21("5","5","1","3","5","1","3","1") = "4"
    & skf21("5","5","1","3","5","1","4","1") = "4"
    & skf21("5","5","1","3","5","1","5","1") = "4"
    & skf21("5","5","1","3","5","1","6","1") = "5"
    & skf21("5","5","1","3","5","1","7","1") = "6"
    & skf21("5","5","1","3","5","2","1","1") = "4"
    & skf21("5","5","1","3","5","2","2","1") = "4"
    & skf21("5","5","1","3","5","2","3","1") = "4"
    & skf21("5","5","1","3","5","2","4","1") = "4"
    & skf21("5","5","1","3","5","2","5","1") = "4"
    & skf21("5","5","1","3","5","2","6","1") = "5"
    & skf21("5","5","1","3","5","2","7","1") = "6"
    & skf21("5","5","1","3","5","3","1","1") = "4"
    & skf21("5","5","1","3","5","3","2","1") = "4"
    & skf21("5","5","1","3","5","3","3","1") = "4"
    & skf21("5","5","1","3","5","3","4","1") = "4"
    & skf21("5","5","1","3","5","3","5","1") = "4"
    & skf21("5","5","1","3","5","3","6","1") = "5"
    & skf21("5","5","1","3","5","3","7","1") = "6"
    & skf21("5","5","1","3","5","4","1","1") = "4"
    & skf21("5","5","1","3","5","4","2","1") = "4"
    & skf21("5","5","1","3","5","4","3","1") = "4"
    & skf21("5","5","1","3","5","4","4","1") = "4"
    & skf21("5","5","1","3","5","4","5","1") = "4"
    & skf21("5","5","1","3","5","4","6","1") = "5"
    & skf21("5","5","1","3","5","4","7","1") = "6"
    & skf21("5","5","1","3","5","5","1","1") = "4"
    & skf21("5","5","1","3","5","5","2","1") = "4"
    & skf21("5","5","1","3","5","5","3","1") = "4"
    & skf21("5","5","1","3","5","5","4","1") = "4"
    & skf21("5","5","1","3","5","5","5","1") = "4"
    & skf21("5","5","1","3","5","5","6","1") = "5"
    & skf21("5","5","1","3","5","5","7","1") = "6"
    & skf21("5","5","1","3","5","6","1","1") = "5"
    & skf21("5","5","1","3","5","6","2","1") = "5"
    & skf21("5","5","1","3","5","6","3","1") = "5"
    & skf21("5","5","1","3","5","6","4","1") = "5"
    & skf21("5","5","1","3","5","6","5","1") = "5"
    & skf21("5","5","1","3","5","6","6","1") = "5"
    & skf21("5","5","1","3","5","6","7","1") = "6"
    & skf21("5","5","1","3","5","7","1","1") = "6"
    & skf21("5","5","1","3","5","7","2","1") = "6"
    & skf21("5","5","1","3","5","7","3","1") = "6"
    & skf21("5","5","1","3","5","7","4","1") = "6"
    & skf21("5","5","1","3","5","7","5","1") = "6"
    & skf21("5","5","1","3","5","7","6","1") = "6"
    & skf21("5","5","1","3","5","7","7","1") = "6"
    & skf21("5","5","1","3","6","1","1","1") = "5"
    & skf21("5","5","1","3","6","1","2","1") = "5"
    & skf21("5","5","1","3","6","1","3","1") = "5"
    & skf21("5","5","1","3","6","1","4","1") = "5"
    & skf21("5","5","1","3","6","1","5","1") = "5"
    & skf21("5","5","1","3","6","1","6","1") = "5"
    & skf21("5","5","1","3","6","1","7","1") = "6"
    & skf21("5","5","1","3","6","2","1","1") = "5"
    & skf21("5","5","1","3","6","2","2","1") = "5"
    & skf21("5","5","1","3","6","2","3","1") = "5"
    & skf21("5","5","1","3","6","2","4","1") = "5"
    & skf21("5","5","1","3","6","2","5","1") = "5"
    & skf21("5","5","1","3","6","2","6","1") = "5"
    & skf21("5","5","1","3","6","2","7","1") = "6"
    & skf21("5","5","1","3","6","3","1","1") = "5"
    & skf21("5","5","1","3","6","3","2","1") = "5"
    & skf21("5","5","1","3","6","3","3","1") = "5"
    & skf21("5","5","1","3","6","3","4","1") = "5"
    & skf21("5","5","1","3","6","3","5","1") = "5"
    & skf21("5","5","1","3","6","3","6","1") = "5"
    & skf21("5","5","1","3","6","3","7","1") = "6"
    & skf21("5","5","1","3","6","4","1","1") = "5"
    & skf21("5","5","1","3","6","4","2","1") = "5"
    & skf21("5","5","1","3","6","4","3","1") = "5"
    & skf21("5","5","1","3","6","4","4","1") = "5"
    & skf21("5","5","1","3","6","4","5","1") = "5"
    & skf21("5","5","1","3","6","4","6","1") = "5"
    & skf21("5","5","1","3","6","4","7","1") = "6"
    & skf21("5","5","1","3","6","5","1","1") = "5"
    & skf21("5","5","1","3","6","5","2","1") = "5"
    & skf21("5","5","1","3","6","5","3","1") = "5"
    & skf21("5","5","1","3","6","5","4","1") = "5"
    & skf21("5","5","1","3","6","5","5","1") = "5"
    & skf21("5","5","1","3","6","5","6","1") = "5"
    & skf21("5","5","1","3","6","5","7","1") = "6"
    & skf21("5","5","1","3","6","6","1","1") = "5"
    & skf21("5","5","1","3","6","6","2","1") = "5"
    & skf21("5","5","1","3","6","6","3","1") = "5"
    & skf21("5","5","1","3","6","6","4","1") = "5"
    & skf21("5","5","1","3","6","6","5","1") = "5"
    & skf21("5","5","1","3","6","6","6","1") = "5"
    & skf21("5","5","1","3","6","6","7","1") = "6"
    & skf21("5","5","1","3","6","7","1","1") = "6"
    & skf21("5","5","1","3","6","7","2","1") = "6"
    & skf21("5","5","1","3","6","7","3","1") = "6"
    & skf21("5","5","1","3","6","7","4","1") = "6"
    & skf21("5","5","1","3","6","7","5","1") = "6"
    & skf21("5","5","1","3","6","7","6","1") = "6"
    & skf21("5","5","1","3","6","7","7","1") = "6"
    & skf21("5","5","1","3","7","1","1","1") = "6"
    & skf21("5","5","1","3","7","1","2","1") = "6"
    & skf21("5","5","1","3","7","1","3","1") = "6"
    & skf21("5","5","1","3","7","1","4","1") = "6"
    & skf21("5","5","1","3","7","1","5","1") = "6"
    & skf21("5","5","1","3","7","1","6","1") = "6"
    & skf21("5","5","1","3","7","1","7","1") = "6"
    & skf21("5","5","1","3","7","2","1","1") = "6"
    & skf21("5","5","1","3","7","2","2","1") = "6"
    & skf21("5","5","1","3","7","2","3","1") = "6"
    & skf21("5","5","1","3","7","2","4","1") = "6"
    & skf21("5","5","1","3","7","2","5","1") = "6"
    & skf21("5","5","1","3","7","2","6","1") = "6"
    & skf21("5","5","1","3","7","2","7","1") = "6"
    & skf21("5","5","1","3","7","3","1","1") = "6"
    & skf21("5","5","1","3","7","3","2","1") = "6"
    & skf21("5","5","1","3","7","3","3","1") = "6"
    & skf21("5","5","1","3","7","3","4","1") = "6"
    & skf21("5","5","1","3","7","3","5","1") = "6"
    & skf21("5","5","1","3","7","3","6","1") = "6"
    & skf21("5","5","1","3","7","3","7","1") = "6"
    & skf21("5","5","1","3","7","4","1","1") = "6"
    & skf21("5","5","1","3","7","4","2","1") = "6"
    & skf21("5","5","1","3","7","4","3","1") = "6"
    & skf21("5","5","1","3","7","4","4","1") = "6"
    & skf21("5","5","1","3","7","4","5","1") = "6"
    & skf21("5","5","1","3","7","4","6","1") = "6"
    & skf21("5","5","1","3","7","4","7","1") = "6"
    & skf21("5","5","1","3","7","5","1","1") = "6"
    & skf21("5","5","1","3","7","5","2","1") = "6"
    & skf21("5","5","1","3","7","5","3","1") = "6"
    & skf21("5","5","1","3","7","5","4","1") = "6"
    & skf21("5","5","1","3","7","5","5","1") = "6"
    & skf21("5","5","1","3","7","5","6","1") = "6"
    & skf21("5","5","1","3","7","5","7","1") = "6"
    & skf21("5","5","1","3","7","6","1","1") = "6"
    & skf21("5","5","1","3","7","6","2","1") = "6"
    & skf21("5","5","1","3","7","6","3","1") = "6"
    & skf21("5","5","1","3","7","6","4","1") = "6"
    & skf21("5","5","1","3","7","6","5","1") = "6"
    & skf21("5","5","1","3","7","6","6","1") = "6"
    & skf21("5","5","1","3","7","6","7","1") = "6"
    & skf21("5","5","1","3","7","7","1","1") = "6"
    & skf21("5","5","1","3","7","7","2","1") = "6"
    & skf21("5","5","1","3","7","7","3","1") = "6"
    & skf21("5","5","1","3","7","7","4","1") = "6"
    & skf21("5","5","1","3","7","7","5","1") = "6"
    & skf21("5","5","1","3","7","7","6","1") = "6"
    & skf21("5","5","1","3","7","7","7","1") = "6"
    & skf21("5","5","1","4","1","1","1","1") = "4"
    & skf21("5","5","1","4","1","1","2","1") = "4"
    & skf21("5","5","1","4","1","1","3","1") = "4"
    & skf21("5","5","1","4","1","1","4","1") = "4"
    & skf21("5","5","1","4","1","1","5","1") = "4"
    & skf21("5","5","1","4","1","1","6","1") = "5"
    & skf21("5","5","1","4","1","1","7","1") = "6"
    & skf21("5","5","1","4","1","2","1","1") = "4"
    & skf21("5","5","1","4","1","2","2","1") = "4"
    & skf21("5","5","1","4","1","2","3","1") = "4"
    & skf21("5","5","1","4","1","2","4","1") = "4"
    & skf21("5","5","1","4","1","2","5","1") = "4"
    & skf21("5","5","1","4","1","2","6","1") = "5"
    & skf21("5","5","1","4","1","2","7","1") = "6"
    & skf21("5","5","1","4","1","3","1","1") = "4"
    & skf21("5","5","1","4","1","3","2","1") = "4"
    & skf21("5","5","1","4","1","3","3","1") = "4"
    & skf21("5","5","1","4","1","3","4","1") = "4"
    & skf21("5","5","1","4","1","3","5","1") = "4"
    & skf21("5","5","1","4","1","3","6","1") = "5"
    & skf21("5","5","1","4","1","3","7","1") = "6"
    & skf21("5","5","1","4","1","4","1","1") = "4"
    & skf21("5","5","1","4","1","4","2","1") = "4"
    & skf21("5","5","1","4","1","4","3","1") = "4"
    & skf21("5","5","1","4","1","4","4","1") = "4"
    & skf21("5","5","1","4","1","4","5","1") = "4"
    & skf21("5","5","1","4","1","4","6","1") = "5"
    & skf21("5","5","1","4","1","4","7","1") = "6"
    & skf21("5","5","1","4","1","5","1","1") = "4"
    & skf21("5","5","1","4","1","5","2","1") = "4"
    & skf21("5","5","1","4","1","5","3","1") = "4"
    & skf21("5","5","1","4","1","5","4","1") = "4"
    & skf21("5","5","1","4","1","5","5","1") = "4"
    & skf21("5","5","1","4","1","5","6","1") = "5"
    & skf21("5","5","1","4","1","5","7","1") = "6"
    & skf21("5","5","1","4","1","6","1","1") = "5"
    & skf21("5","5","1","4","1","6","2","1") = "5"
    & skf21("5","5","1","4","1","6","3","1") = "5"
    & skf21("5","5","1","4","1","6","4","1") = "5"
    & skf21("5","5","1","4","1","6","5","1") = "5"
    & skf21("5","5","1","4","1","6","6","1") = "5"
    & skf21("5","5","1","4","1","6","7","1") = "6"
    & skf21("5","5","1","4","1","7","1","1") = "6"
    & skf21("5","5","1","4","1","7","2","1") = "6"
    & skf21("5","5","1","4","1","7","3","1") = "6"
    & skf21("5","5","1","4","1","7","4","1") = "6"
    & skf21("5","5","1","4","1","7","5","1") = "6"
    & skf21("5","5","1","4","1","7","6","1") = "6"
    & skf21("5","5","1","4","1","7","7","1") = "6"
    & skf21("5","5","1","4","2","1","1","1") = "4"
    & skf21("5","5","1","4","2","1","2","1") = "4"
    & skf21("5","5","1","4","2","1","3","1") = "4"
    & skf21("5","5","1","4","2","1","4","1") = "4"
    & skf21("5","5","1","4","2","1","5","1") = "4"
    & skf21("5","5","1","4","2","1","6","1") = "5"
    & skf21("5","5","1","4","2","1","7","1") = "6"
    & skf21("5","5","1","4","2","2","1","1") = "4"
    & skf21("5","5","1","4","2","2","2","1") = "4"
    & skf21("5","5","1","4","2","2","3","1") = "4"
    & skf21("5","5","1","4","2","2","4","1") = "4"
    & skf21("5","5","1","4","2","2","5","1") = "4"
    & skf21("5","5","1","4","2","2","6","1") = "5"
    & skf21("5","5","1","4","2","2","7","1") = "6"
    & skf21("5","5","1","4","2","3","1","1") = "4"
    & skf21("5","5","1","4","2","3","2","1") = "4"
    & skf21("5","5","1","4","2","3","3","1") = "4"
    & skf21("5","5","1","4","2","3","4","1") = "4"
    & skf21("5","5","1","4","2","3","5","1") = "4"
    & skf21("5","5","1","4","2","3","6","1") = "5"
    & skf21("5","5","1","4","2","3","7","1") = "6"
    & skf21("5","5","1","4","2","4","1","1") = "4"
    & skf21("5","5","1","4","2","4","2","1") = "4"
    & skf21("5","5","1","4","2","4","3","1") = "4"
    & skf21("5","5","1","4","2","4","4","1") = "4"
    & skf21("5","5","1","4","2","4","5","1") = "4"
    & skf21("5","5","1","4","2","4","6","1") = "5"
    & skf21("5","5","1","4","2","4","7","1") = "6"
    & skf21("5","5","1","4","2","5","1","1") = "4"
    & skf21("5","5","1","4","2","5","2","1") = "4"
    & skf21("5","5","1","4","2","5","3","1") = "4"
    & skf21("5","5","1","4","2","5","4","1") = "4"
    & skf21("5","5","1","4","2","5","5","1") = "4"
    & skf21("5","5","1","4","2","5","6","1") = "5"
    & skf21("5","5","1","4","2","5","7","1") = "6"
    & skf21("5","5","1","4","2","6","1","1") = "5"
    & skf21("5","5","1","4","2","6","2","1") = "5"
    & skf21("5","5","1","4","2","6","3","1") = "5"
    & skf21("5","5","1","4","2","6","4","1") = "5"
    & skf21("5","5","1","4","2","6","5","1") = "5"
    & skf21("5","5","1","4","2","6","6","1") = "5"
    & skf21("5","5","1","4","2","6","7","1") = "6"
    & skf21("5","5","1","4","2","7","1","1") = "6"
    & skf21("5","5","1","4","2","7","2","1") = "6"
    & skf21("5","5","1","4","2","7","3","1") = "6"
    & skf21("5","5","1","4","2","7","4","1") = "6"
    & skf21("5","5","1","4","2","7","5","1") = "6"
    & skf21("5","5","1","4","2","7","6","1") = "6"
    & skf21("5","5","1","4","2","7","7","1") = "6"
    & skf21("5","5","1","4","3","1","1","1") = "4"
    & skf21("5","5","1","4","3","1","2","1") = "4"
    & skf21("5","5","1","4","3","1","3","1") = "4"
    & skf21("5","5","1","4","3","1","4","1") = "4"
    & skf21("5","5","1","4","3","1","5","1") = "4"
    & skf21("5","5","1","4","3","1","6","1") = "5"
    & skf21("5","5","1","4","3","1","7","1") = "6"
    & skf21("5","5","1","4","3","2","1","1") = "4"
    & skf21("5","5","1","4","3","2","2","1") = "4"
    & skf21("5","5","1","4","3","2","3","1") = "4"
    & skf21("5","5","1","4","3","2","4","1") = "4"
    & skf21("5","5","1","4","3","2","5","1") = "4"
    & skf21("5","5","1","4","3","2","6","1") = "5"
    & skf21("5","5","1","4","3","2","7","1") = "6"
    & skf21("5","5","1","4","3","3","1","1") = "4"
    & skf21("5","5","1","4","3","3","2","1") = "4"
    & skf21("5","5","1","4","3","3","3","1") = "4"
    & skf21("5","5","1","4","3","3","4","1") = "4"
    & skf21("5","5","1","4","3","3","5","1") = "4"
    & skf21("5","5","1","4","3","3","6","1") = "5"
    & skf21("5","5","1","4","3","3","7","1") = "6"
    & skf21("5","5","1","4","3","4","1","1") = "4"
    & skf21("5","5","1","4","3","4","2","1") = "4"
    & skf21("5","5","1","4","3","4","3","1") = "4"
    & skf21("5","5","1","4","3","4","4","1") = "4"
    & skf21("5","5","1","4","3","4","5","1") = "4"
    & skf21("5","5","1","4","3","4","6","1") = "5"
    & skf21("5","5","1","4","3","4","7","1") = "6"
    & skf21("5","5","1","4","3","5","1","1") = "4"
    & skf21("5","5","1","4","3","5","2","1") = "4"
    & skf21("5","5","1","4","3","5","3","1") = "4"
    & skf21("5","5","1","4","3","5","4","1") = "4"
    & skf21("5","5","1","4","3","5","5","1") = "4"
    & skf21("5","5","1","4","3","5","6","1") = "5"
    & skf21("5","5","1","4","3","5","7","1") = "6"
    & skf21("5","5","1","4","3","6","1","1") = "5"
    & skf21("5","5","1","4","3","6","2","1") = "5"
    & skf21("5","5","1","4","3","6","3","1") = "5"
    & skf21("5","5","1","4","3","6","4","1") = "5"
    & skf21("5","5","1","4","3","6","5","1") = "5"
    & skf21("5","5","1","4","3","6","6","1") = "5"
    & skf21("5","5","1","4","3","6","7","1") = "6"
    & skf21("5","5","1","4","3","7","1","1") = "6"
    & skf21("5","5","1","4","3","7","2","1") = "6"
    & skf21("5","5","1","4","3","7","3","1") = "6"
    & skf21("5","5","1","4","3","7","4","1") = "6"
    & skf21("5","5","1","4","3","7","5","1") = "6"
    & skf21("5","5","1","4","3","7","6","1") = "6"
    & skf21("5","5","1","4","3","7","7","1") = "6"
    & skf21("5","5","1","4","4","1","1","1") = "4"
    & skf21("5","5","1","4","4","1","2","1") = "4"
    & skf21("5","5","1","4","4","1","3","1") = "4"
    & skf21("5","5","1","4","4","1","4","1") = "4"
    & skf21("5","5","1","4","4","1","5","1") = "4"
    & skf21("5","5","1","4","4","1","6","1") = "5"
    & skf21("5","5","1","4","4","1","7","1") = "6"
    & skf21("5","5","1","4","4","2","1","1") = "4"
    & skf21("5","5","1","4","4","2","2","1") = "4"
    & skf21("5","5","1","4","4","2","3","1") = "4"
    & skf21("5","5","1","4","4","2","4","1") = "4"
    & skf21("5","5","1","4","4","2","5","1") = "4"
    & skf21("5","5","1","4","4","2","6","1") = "5"
    & skf21("5","5","1","4","4","2","7","1") = "6"
    & skf21("5","5","1","4","4","3","1","1") = "4"
    & skf21("5","5","1","4","4","3","2","1") = "4"
    & skf21("5","5","1","4","4","3","3","1") = "4"
    & skf21("5","5","1","4","4","3","4","1") = "4"
    & skf21("5","5","1","4","4","3","5","1") = "4"
    & skf21("5","5","1","4","4","3","6","1") = "5"
    & skf21("5","5","1","4","4","3","7","1") = "6"
    & skf21("5","5","1","4","4","4","1","1") = "4"
    & skf21("5","5","1","4","4","4","2","1") = "4"
    & skf21("5","5","1","4","4","4","3","1") = "4"
    & skf21("5","5","1","4","4","4","4","1") = "4"
    & skf21("5","5","1","4","4","4","5","1") = "4"
    & skf21("5","5","1","4","4","4","6","1") = "5"
    & skf21("5","5","1","4","4","4","7","1") = "6"
    & skf21("5","5","1","4","4","5","1","1") = "4"
    & skf21("5","5","1","4","4","5","2","1") = "4"
    & skf21("5","5","1","4","4","5","3","1") = "4"
    & skf21("5","5","1","4","4","5","4","1") = "4"
    & skf21("5","5","1","4","4","5","5","1") = "4"
    & skf21("5","5","1","4","4","5","6","1") = "5"
    & skf21("5","5","1","4","4","5","7","1") = "6"
    & skf21("5","5","1","4","4","6","1","1") = "5"
    & skf21("5","5","1","4","4","6","2","1") = "5"
    & skf21("5","5","1","4","4","6","3","1") = "5"
    & skf21("5","5","1","4","4","6","4","1") = "5"
    & skf21("5","5","1","4","4","6","5","1") = "5"
    & skf21("5","5","1","4","4","6","6","1") = "5"
    & skf21("5","5","1","4","4","6","7","1") = "6"
    & skf21("5","5","1","4","4","7","1","1") = "6"
    & skf21("5","5","1","4","4","7","2","1") = "6"
    & skf21("5","5","1","4","4","7","3","1") = "6"
    & skf21("5","5","1","4","4","7","4","1") = "6"
    & skf21("5","5","1","4","4","7","5","1") = "6"
    & skf21("5","5","1","4","4","7","6","1") = "6"
    & skf21("5","5","1","4","4","7","7","1") = "6"
    & skf21("5","5","1","4","5","1","1","1") = "4"
    & skf21("5","5","1","4","5","1","2","1") = "4"
    & skf21("5","5","1","4","5","1","3","1") = "4"
    & skf21("5","5","1","4","5","1","4","1") = "4"
    & skf21("5","5","1","4","5","1","5","1") = "4"
    & skf21("5","5","1","4","5","1","6","1") = "5"
    & skf21("5","5","1","4","5","1","7","1") = "6"
    & skf21("5","5","1","4","5","2","1","1") = "4"
    & skf21("5","5","1","4","5","2","2","1") = "4"
    & skf21("5","5","1","4","5","2","3","1") = "4"
    & skf21("5","5","1","4","5","2","4","1") = "4"
    & skf21("5","5","1","4","5","2","5","1") = "4"
    & skf21("5","5","1","4","5","2","6","1") = "5"
    & skf21("5","5","1","4","5","2","7","1") = "6"
    & skf21("5","5","1","4","5","3","1","1") = "4"
    & skf21("5","5","1","4","5","3","2","1") = "4"
    & skf21("5","5","1","4","5","3","3","1") = "4"
    & skf21("5","5","1","4","5","3","4","1") = "4"
    & skf21("5","5","1","4","5","3","5","1") = "4"
    & skf21("5","5","1","4","5","3","6","1") = "5"
    & skf21("5","5","1","4","5","3","7","1") = "6"
    & skf21("5","5","1","4","5","4","1","1") = "4"
    & skf21("5","5","1","4","5","4","2","1") = "4"
    & skf21("5","5","1","4","5","4","3","1") = "4"
    & skf21("5","5","1","4","5","4","4","1") = "4"
    & skf21("5","5","1","4","5","4","5","1") = "4"
    & skf21("5","5","1","4","5","4","6","1") = "5"
    & skf21("5","5","1","4","5","4","7","1") = "6"
    & skf21("5","5","1","4","5","5","1","1") = "4"
    & skf21("5","5","1","4","5","5","2","1") = "4"
    & skf21("5","5","1","4","5","5","3","1") = "4"
    & skf21("5","5","1","4","5","5","4","1") = "4"
    & skf21("5","5","1","4","5","5","5","1") = "4"
    & skf21("5","5","1","4","5","5","6","1") = "5"
    & skf21("5","5","1","4","5","5","7","1") = "6"
    & skf21("5","5","1","4","5","6","1","1") = "5"
    & skf21("5","5","1","4","5","6","2","1") = "5"
    & skf21("5","5","1","4","5","6","3","1") = "5"
    & skf21("5","5","1","4","5","6","4","1") = "5"
    & skf21("5","5","1","4","5","6","5","1") = "5"
    & skf21("5","5","1","4","5","6","6","1") = "5"
    & skf21("5","5","1","4","5","6","7","1") = "6"
    & skf21("5","5","1","4","5","7","1","1") = "6"
    & skf21("5","5","1","4","5","7","2","1") = "6"
    & skf21("5","5","1","4","5","7","3","1") = "6"
    & skf21("5","5","1","4","5","7","4","1") = "6"
    & skf21("5","5","1","4","5","7","5","1") = "6"
    & skf21("5","5","1","4","5","7","6","1") = "6"
    & skf21("5","5","1","4","5","7","7","1") = "6"
    & skf21("5","5","1","4","6","1","1","1") = "5"
    & skf21("5","5","1","4","6","1","2","1") = "5"
    & skf21("5","5","1","4","6","1","3","1") = "5"
    & skf21("5","5","1","4","6","1","4","1") = "5"
    & skf21("5","5","1","4","6","1","5","1") = "5"
    & skf21("5","5","1","4","6","1","6","1") = "5"
    & skf21("5","5","1","4","6","1","7","1") = "6"
    & skf21("5","5","1","4","6","2","1","1") = "5"
    & skf21("5","5","1","4","6","2","2","1") = "5"
    & skf21("5","5","1","4","6","2","3","1") = "5"
    & skf21("5","5","1","4","6","2","4","1") = "5"
    & skf21("5","5","1","4","6","2","5","1") = "5"
    & skf21("5","5","1","4","6","2","6","1") = "5"
    & skf21("5","5","1","4","6","2","7","1") = "6"
    & skf21("5","5","1","4","6","3","1","1") = "5"
    & skf21("5","5","1","4","6","3","2","1") = "5"
    & skf21("5","5","1","4","6","3","3","1") = "5"
    & skf21("5","5","1","4","6","3","4","1") = "5"
    & skf21("5","5","1","4","6","3","5","1") = "5"
    & skf21("5","5","1","4","6","3","6","1") = "5"
    & skf21("5","5","1","4","6","3","7","1") = "6"
    & skf21("5","5","1","4","6","4","1","1") = "5"
    & skf21("5","5","1","4","6","4","2","1") = "5"
    & skf21("5","5","1","4","6","4","3","1") = "5"
    & skf21("5","5","1","4","6","4","4","1") = "5"
    & skf21("5","5","1","4","6","4","5","1") = "5"
    & skf21("5","5","1","4","6","4","6","1") = "5"
    & skf21("5","5","1","4","6","4","7","1") = "6"
    & skf21("5","5","1","4","6","5","1","1") = "5"
    & skf21("5","5","1","4","6","5","2","1") = "5"
    & skf21("5","5","1","4","6","5","3","1") = "5"
    & skf21("5","5","1","4","6","5","4","1") = "5"
    & skf21("5","5","1","4","6","5","5","1") = "5"
    & skf21("5","5","1","4","6","5","6","1") = "5"
    & skf21("5","5","1","4","6","5","7","1") = "6"
    & skf21("5","5","1","4","6","6","1","1") = "5"
    & skf21("5","5","1","4","6","6","2","1") = "5"
    & skf21("5","5","1","4","6","6","3","1") = "5"
    & skf21("5","5","1","4","6","6","4","1") = "5"
    & skf21("5","5","1","4","6","6","5","1") = "5"
    & skf21("5","5","1","4","6","6","6","1") = "5"
    & skf21("5","5","1","4","6","6","7","1") = "6"
    & skf21("5","5","1","4","6","7","1","1") = "6"
    & skf21("5","5","1","4","6","7","2","1") = "6"
    & skf21("5","5","1","4","6","7","3","1") = "6"
    & skf21("5","5","1","4","6","7","4","1") = "6"
    & skf21("5","5","1","4","6","7","5","1") = "6"
    & skf21("5","5","1","4","6","7","6","1") = "6"
    & skf21("5","5","1","4","6","7","7","1") = "6"
    & skf21("5","5","1","4","7","1","1","1") = "6"
    & skf21("5","5","1","4","7","1","2","1") = "6"
    & skf21("5","5","1","4","7","1","3","1") = "6"
    & skf21("5","5","1","4","7","1","4","1") = "6"
    & skf21("5","5","1","4","7","1","5","1") = "6"
    & skf21("5","5","1","4","7","1","6","1") = "6"
    & skf21("5","5","1","4","7","1","7","1") = "6"
    & skf21("5","5","1","4","7","2","1","1") = "6"
    & skf21("5","5","1","4","7","2","2","1") = "6"
    & skf21("5","5","1","4","7","2","3","1") = "6"
    & skf21("5","5","1","4","7","2","4","1") = "6"
    & skf21("5","5","1","4","7","2","5","1") = "6"
    & skf21("5","5","1","4","7","2","6","1") = "6"
    & skf21("5","5","1","4","7","2","7","1") = "6"
    & skf21("5","5","1","4","7","3","1","1") = "6"
    & skf21("5","5","1","4","7","3","2","1") = "6"
    & skf21("5","5","1","4","7","3","3","1") = "6"
    & skf21("5","5","1","4","7","3","4","1") = "6"
    & skf21("5","5","1","4","7","3","5","1") = "6"
    & skf21("5","5","1","4","7","3","6","1") = "6"
    & skf21("5","5","1","4","7","3","7","1") = "6"
    & skf21("5","5","1","4","7","4","1","1") = "6"
    & skf21("5","5","1","4","7","4","2","1") = "6"
    & skf21("5","5","1","4","7","4","3","1") = "6"
    & skf21("5","5","1","4","7","4","4","1") = "6"
    & skf21("5","5","1","4","7","4","5","1") = "6"
    & skf21("5","5","1","4","7","4","6","1") = "6"
    & skf21("5","5","1","4","7","4","7","1") = "6"
    & skf21("5","5","1","4","7","5","1","1") = "6"
    & skf21("5","5","1","4","7","5","2","1") = "6"
    & skf21("5","5","1","4","7","5","3","1") = "6"
    & skf21("5","5","1","4","7","5","4","1") = "6"
    & skf21("5","5","1","4","7","5","5","1") = "6"
    & skf21("5","5","1","4","7","5","6","1") = "6"
    & skf21("5","5","1","4","7","5","7","1") = "6"
    & skf21("5","5","1","4","7","6","1","1") = "6"
    & skf21("5","5","1","4","7","6","2","1") = "6"
    & skf21("5","5","1","4","7","6","3","1") = "6"
    & skf21("5","5","1","4","7","6","4","1") = "6"
    & skf21("5","5","1","4","7","6","5","1") = "6"
    & skf21("5","5","1","4","7","6","6","1") = "6"
    & skf21("5","5","1","4","7","6","7","1") = "6"
    & skf21("5","5","1","4","7","7","1","1") = "6"
    & skf21("5","5","1","4","7","7","2","1") = "6"
    & skf21("5","5","1","4","7","7","3","1") = "6"
    & skf21("5","5","1","4","7","7","4","1") = "6"
    & skf21("5","5","1","4","7","7","5","1") = "6"
    & skf21("5","5","1","4","7","7","6","1") = "6"
    & skf21("5","5","1","4","7","7","7","1") = "6"
    & skf21("5","5","1","5","1","1","1","1") = "4"
    & skf21("5","5","1","5","1","1","2","1") = "4"
    & skf21("5","5","1","5","1","1","3","1") = "4"
    & skf21("5","5","1","5","1","1","4","1") = "4"
    & skf21("5","5","1","5","1","1","5","1") = "4"
    & skf21("5","5","1","5","1","1","6","1") = "5"
    & skf21("5","5","1","5","1","1","7","1") = "6"
    & skf21("5","5","1","5","1","2","1","1") = "4"
    & skf21("5","5","1","5","1","2","2","1") = "4"
    & skf21("5","5","1","5","1","2","3","1") = "4"
    & skf21("5","5","1","5","1","2","4","1") = "4"
    & skf21("5","5","1","5","1","2","5","1") = "4"
    & skf21("5","5","1","5","1","2","6","1") = "5"
    & skf21("5","5","1","5","1","2","7","1") = "6"
    & skf21("5","5","1","5","1","3","1","1") = "4"
    & skf21("5","5","1","5","1","3","2","1") = "4"
    & skf21("5","5","1","5","1","3","3","1") = "4"
    & skf21("5","5","1","5","1","3","4","1") = "4"
    & skf21("5","5","1","5","1","3","5","1") = "4"
    & skf21("5","5","1","5","1","3","6","1") = "5"
    & skf21("5","5","1","5","1","3","7","1") = "6"
    & skf21("5","5","1","5","1","4","1","1") = "4"
    & skf21("5","5","1","5","1","4","2","1") = "4"
    & skf21("5","5","1","5","1","4","3","1") = "4"
    & skf21("5","5","1","5","1","4","4","1") = "4"
    & skf21("5","5","1","5","1","4","5","1") = "4"
    & skf21("5","5","1","5","1","4","6","1") = "5"
    & skf21("5","5","1","5","1","4","7","1") = "6"
    & skf21("5","5","1","5","1","5","1","1") = "4"
    & skf21("5","5","1","5","1","5","2","1") = "4"
    & skf21("5","5","1","5","1","5","3","1") = "4"
    & skf21("5","5","1","5","1","5","4","1") = "4"
    & skf21("5","5","1","5","1","5","5","1") = "4"
    & skf21("5","5","1","5","1","5","6","1") = "5"
    & skf21("5","5","1","5","1","5","7","1") = "6"
    & skf21("5","5","1","5","1","6","1","1") = "5"
    & skf21("5","5","1","5","1","6","2","1") = "5"
    & skf21("5","5","1","5","1","6","3","1") = "5"
    & skf21("5","5","1","5","1","6","4","1") = "5"
    & skf21("5","5","1","5","1","6","5","1") = "5"
    & skf21("5","5","1","5","1","6","6","1") = "5"
    & skf21("5","5","1","5","1","6","7","1") = "6"
    & skf21("5","5","1","5","1","7","1","1") = "6"
    & skf21("5","5","1","5","1","7","2","1") = "6"
    & skf21("5","5","1","5","1","7","3","1") = "6"
    & skf21("5","5","1","5","1","7","4","1") = "6"
    & skf21("5","5","1","5","1","7","5","1") = "6"
    & skf21("5","5","1","5","1","7","6","1") = "6"
    & skf21("5","5","1","5","1","7","7","1") = "6"
    & skf21("5","5","1","5","2","1","1","1") = "4"
    & skf21("5","5","1","5","2","1","2","1") = "4"
    & skf21("5","5","1","5","2","1","3","1") = "4"
    & skf21("5","5","1","5","2","1","4","1") = "4"
    & skf21("5","5","1","5","2","1","5","1") = "4"
    & skf21("5","5","1","5","2","1","6","1") = "5"
    & skf21("5","5","1","5","2","1","7","1") = "6"
    & skf21("5","5","1","5","2","2","1","1") = "4"
    & skf21("5","5","1","5","2","2","2","1") = "4"
    & skf21("5","5","1","5","2","2","3","1") = "4"
    & skf21("5","5","1","5","2","2","4","1") = "4"
    & skf21("5","5","1","5","2","2","5","1") = "4"
    & skf21("5","5","1","5","2","2","6","1") = "5"
    & skf21("5","5","1","5","2","2","7","1") = "6"
    & skf21("5","5","1","5","2","3","1","1") = "4"
    & skf21("5","5","1","5","2","3","2","1") = "4"
    & skf21("5","5","1","5","2","3","3","1") = "4"
    & skf21("5","5","1","5","2","3","4","1") = "4"
    & skf21("5","5","1","5","2","3","5","1") = "4"
    & skf21("5","5","1","5","2","3","6","1") = "5"
    & skf21("5","5","1","5","2","3","7","1") = "6"
    & skf21("5","5","1","5","2","4","1","1") = "4"
    & skf21("5","5","1","5","2","4","2","1") = "4"
    & skf21("5","5","1","5","2","4","3","1") = "4"
    & skf21("5","5","1","5","2","4","4","1") = "4"
    & skf21("5","5","1","5","2","4","5","1") = "4"
    & skf21("5","5","1","5","2","4","6","1") = "5"
    & skf21("5","5","1","5","2","4","7","1") = "6"
    & skf21("5","5","1","5","2","5","1","1") = "4"
    & skf21("5","5","1","5","2","5","2","1") = "4"
    & skf21("5","5","1","5","2","5","3","1") = "4"
    & skf21("5","5","1","5","2","5","4","1") = "4"
    & skf21("5","5","1","5","2","5","5","1") = "4"
    & skf21("5","5","1","5","2","5","6","1") = "5"
    & skf21("5","5","1","5","2","5","7","1") = "6"
    & skf21("5","5","1","5","2","6","1","1") = "5"
    & skf21("5","5","1","5","2","6","2","1") = "5"
    & skf21("5","5","1","5","2","6","3","1") = "5"
    & skf21("5","5","1","5","2","6","4","1") = "5"
    & skf21("5","5","1","5","2","6","5","1") = "5"
    & skf21("5","5","1","5","2","6","6","1") = "5"
    & skf21("5","5","1","5","2","6","7","1") = "6"
    & skf21("5","5","1","5","2","7","1","1") = "6"
    & skf21("5","5","1","5","2","7","2","1") = "6"
    & skf21("5","5","1","5","2","7","3","1") = "6"
    & skf21("5","5","1","5","2","7","4","1") = "6"
    & skf21("5","5","1","5","2","7","5","1") = "6"
    & skf21("5","5","1","5","2","7","6","1") = "6"
    & skf21("5","5","1","5","2","7","7","1") = "6"
    & skf21("5","5","1","5","3","1","1","1") = "4"
    & skf21("5","5","1","5","3","1","2","1") = "4"
    & skf21("5","5","1","5","3","1","3","1") = "4"
    & skf21("5","5","1","5","3","1","4","1") = "4"
    & skf21("5","5","1","5","3","1","5","1") = "4"
    & skf21("5","5","1","5","3","1","6","1") = "5"
    & skf21("5","5","1","5","3","1","7","1") = "6"
    & skf21("5","5","1","5","3","2","1","1") = "4"
    & skf21("5","5","1","5","3","2","2","1") = "4"
    & skf21("5","5","1","5","3","2","3","1") = "4"
    & skf21("5","5","1","5","3","2","4","1") = "4"
    & skf21("5","5","1","5","3","2","5","1") = "4"
    & skf21("5","5","1","5","3","2","6","1") = "5"
    & skf21("5","5","1","5","3","2","7","1") = "6"
    & skf21("5","5","1","5","3","3","1","1") = "4"
    & skf21("5","5","1","5","3","3","2","1") = "4"
    & skf21("5","5","1","5","3","3","3","1") = "4"
    & skf21("5","5","1","5","3","3","4","1") = "4"
    & skf21("5","5","1","5","3","3","5","1") = "4"
    & skf21("5","5","1","5","3","3","6","1") = "5"
    & skf21("5","5","1","5","3","3","7","1") = "6"
    & skf21("5","5","1","5","3","4","1","1") = "4"
    & skf21("5","5","1","5","3","4","2","1") = "4"
    & skf21("5","5","1","5","3","4","3","1") = "4"
    & skf21("5","5","1","5","3","4","4","1") = "4"
    & skf21("5","5","1","5","3","4","5","1") = "4"
    & skf21("5","5","1","5","3","4","6","1") = "5"
    & skf21("5","5","1","5","3","4","7","1") = "6"
    & skf21("5","5","1","5","3","5","1","1") = "4"
    & skf21("5","5","1","5","3","5","2","1") = "4"
    & skf21("5","5","1","5","3","5","3","1") = "4"
    & skf21("5","5","1","5","3","5","4","1") = "4"
    & skf21("5","5","1","5","3","5","5","1") = "4"
    & skf21("5","5","1","5","3","5","6","1") = "5"
    & skf21("5","5","1","5","3","5","7","1") = "6"
    & skf21("5","5","1","5","3","6","1","1") = "5"
    & skf21("5","5","1","5","3","6","2","1") = "5"
    & skf21("5","5","1","5","3","6","3","1") = "5"
    & skf21("5","5","1","5","3","6","4","1") = "5"
    & skf21("5","5","1","5","3","6","5","1") = "5"
    & skf21("5","5","1","5","3","6","6","1") = "5"
    & skf21("5","5","1","5","3","6","7","1") = "6"
    & skf21("5","5","1","5","3","7","1","1") = "6"
    & skf21("5","5","1","5","3","7","2","1") = "6"
    & skf21("5","5","1","5","3","7","3","1") = "6"
    & skf21("5","5","1","5","3","7","4","1") = "6"
    & skf21("5","5","1","5","3","7","5","1") = "6"
    & skf21("5","5","1","5","3","7","6","1") = "6"
    & skf21("5","5","1","5","3","7","7","1") = "6"
    & skf21("5","5","1","5","4","1","1","1") = "4"
    & skf21("5","5","1","5","4","1","2","1") = "4"
    & skf21("5","5","1","5","4","1","3","1") = "4"
    & skf21("5","5","1","5","4","1","4","1") = "4"
    & skf21("5","5","1","5","4","1","5","1") = "4"
    & skf21("5","5","1","5","4","1","6","1") = "5"
    & skf21("5","5","1","5","4","1","7","1") = "6"
    & skf21("5","5","1","5","4","2","1","1") = "4"
    & skf21("5","5","1","5","4","2","2","1") = "4"
    & skf21("5","5","1","5","4","2","3","1") = "4"
    & skf21("5","5","1","5","4","2","4","1") = "4"
    & skf21("5","5","1","5","4","2","5","1") = "4"
    & skf21("5","5","1","5","4","2","6","1") = "5"
    & skf21("5","5","1","5","4","2","7","1") = "6"
    & skf21("5","5","1","5","4","3","1","1") = "4"
    & skf21("5","5","1","5","4","3","2","1") = "4"
    & skf21("5","5","1","5","4","3","3","1") = "4"
    & skf21("5","5","1","5","4","3","4","1") = "4"
    & skf21("5","5","1","5","4","3","5","1") = "4"
    & skf21("5","5","1","5","4","3","6","1") = "5"
    & skf21("5","5","1","5","4","3","7","1") = "6"
    & skf21("5","5","1","5","4","4","1","1") = "4"
    & skf21("5","5","1","5","4","4","2","1") = "4"
    & skf21("5","5","1","5","4","4","3","1") = "4"
    & skf21("5","5","1","5","4","4","4","1") = "4"
    & skf21("5","5","1","5","4","4","5","1") = "4"
    & skf21("5","5","1","5","4","4","6","1") = "5"
    & skf21("5","5","1","5","4","4","7","1") = "6"
    & skf21("5","5","1","5","4","5","1","1") = "4"
    & skf21("5","5","1","5","4","5","2","1") = "4"
    & skf21("5","5","1","5","4","5","3","1") = "4"
    & skf21("5","5","1","5","4","5","4","1") = "4"
    & skf21("5","5","1","5","4","5","5","1") = "4"
    & skf21("5","5","1","5","4","5","6","1") = "5"
    & skf21("5","5","1","5","4","5","7","1") = "6"
    & skf21("5","5","1","5","4","6","1","1") = "5"
    & skf21("5","5","1","5","4","6","2","1") = "5"
    & skf21("5","5","1","5","4","6","3","1") = "5"
    & skf21("5","5","1","5","4","6","4","1") = "5"
    & skf21("5","5","1","5","4","6","5","1") = "5"
    & skf21("5","5","1","5","4","6","6","1") = "5"
    & skf21("5","5","1","5","4","6","7","1") = "6"
    & skf21("5","5","1","5","4","7","1","1") = "6"
    & skf21("5","5","1","5","4","7","2","1") = "6"
    & skf21("5","5","1","5","4","7","3","1") = "6"
    & skf21("5","5","1","5","4","7","4","1") = "6"
    & skf21("5","5","1","5","4","7","5","1") = "6"
    & skf21("5","5","1","5","4","7","6","1") = "6"
    & skf21("5","5","1","5","4","7","7","1") = "6"
    & skf21("5","5","1","5","5","1","1","1") = "4"
    & skf21("5","5","1","5","5","1","2","1") = "4"
    & skf21("5","5","1","5","5","1","3","1") = "4"
    & skf21("5","5","1","5","5","1","4","1") = "4"
    & skf21("5","5","1","5","5","1","5","1") = "4"
    & skf21("5","5","1","5","5","1","6","1") = "5"
    & skf21("5","5","1","5","5","1","7","1") = "6"
    & skf21("5","5","1","5","5","2","1","1") = "4"
    & skf21("5","5","1","5","5","2","2","1") = "4"
    & skf21("5","5","1","5","5","2","3","1") = "4"
    & skf21("5","5","1","5","5","2","4","1") = "4"
    & skf21("5","5","1","5","5","2","5","1") = "4"
    & skf21("5","5","1","5","5","2","6","1") = "5"
    & skf21("5","5","1","5","5","2","7","1") = "6"
    & skf21("5","5","1","5","5","3","1","1") = "4"
    & skf21("5","5","1","5","5","3","2","1") = "4"
    & skf21("5","5","1","5","5","3","3","1") = "4"
    & skf21("5","5","1","5","5","3","4","1") = "4"
    & skf21("5","5","1","5","5","3","5","1") = "4"
    & skf21("5","5","1","5","5","3","6","1") = "5"
    & skf21("5","5","1","5","5","3","7","1") = "6"
    & skf21("5","5","1","5","5","4","1","1") = "4"
    & skf21("5","5","1","5","5","4","2","1") = "4"
    & skf21("5","5","1","5","5","4","3","1") = "4"
    & skf21("5","5","1","5","5","4","4","1") = "4"
    & skf21("5","5","1","5","5","4","5","1") = "4"
    & skf21("5","5","1","5","5","4","6","1") = "5"
    & skf21("5","5","1","5","5","4","7","1") = "6"
    & skf21("5","5","1","5","5","5","1","1") = "4"
    & skf21("5","5","1","5","5","5","2","1") = "4"
    & skf21("5","5","1","5","5","5","3","1") = "4"
    & skf21("5","5","1","5","5","5","4","1") = "4"
    & skf21("5","5","1","5","5","5","5","1") = "4"
    & skf21("5","5","1","5","5","5","6","1") = "5"
    & skf21("5","5","1","5","5","5","7","1") = "6"
    & skf21("5","5","1","5","5","6","1","1") = "5"
    & skf21("5","5","1","5","5","6","2","1") = "5"
    & skf21("5","5","1","5","5","6","3","1") = "5"
    & skf21("5","5","1","5","5","6","4","1") = "5"
    & skf21("5","5","1","5","5","6","5","1") = "5"
    & skf21("5","5","1","5","5","6","6","1") = "5"
    & skf21("5","5","1","5","5","6","7","1") = "6"
    & skf21("5","5","1","5","5","7","1","1") = "6"
    & skf21("5","5","1","5","5","7","2","1") = "6"
    & skf21("5","5","1","5","5","7","3","1") = "6"
    & skf21("5","5","1","5","5","7","4","1") = "6"
    & skf21("5","5","1","5","5","7","5","1") = "6"
    & skf21("5","5","1","5","5","7","6","1") = "6"
    & skf21("5","5","1","5","5","7","7","1") = "6"
    & skf21("5","5","1","5","6","1","1","1") = "5"
    & skf21("5","5","1","5","6","1","2","1") = "5"
    & skf21("5","5","1","5","6","1","3","1") = "5"
    & skf21("5","5","1","5","6","1","4","1") = "5"
    & skf21("5","5","1","5","6","1","5","1") = "5"
    & skf21("5","5","1","5","6","1","6","1") = "5"
    & skf21("5","5","1","5","6","1","7","1") = "6"
    & skf21("5","5","1","5","6","2","1","1") = "5"
    & skf21("5","5","1","5","6","2","2","1") = "5"
    & skf21("5","5","1","5","6","2","3","1") = "5"
    & skf21("5","5","1","5","6","2","4","1") = "5"
    & skf21("5","5","1","5","6","2","5","1") = "5"
    & skf21("5","5","1","5","6","2","6","1") = "5"
    & skf21("5","5","1","5","6","2","7","1") = "6"
    & skf21("5","5","1","5","6","3","1","1") = "5"
    & skf21("5","5","1","5","6","3","2","1") = "5"
    & skf21("5","5","1","5","6","3","3","1") = "5"
    & skf21("5","5","1","5","6","3","4","1") = "5"
    & skf21("5","5","1","5","6","3","5","1") = "5"
    & skf21("5","5","1","5","6","3","6","1") = "5"
    & skf21("5","5","1","5","6","3","7","1") = "6"
    & skf21("5","5","1","5","6","4","1","1") = "5"
    & skf21("5","5","1","5","6","4","2","1") = "5"
    & skf21("5","5","1","5","6","4","3","1") = "5"
    & skf21("5","5","1","5","6","4","4","1") = "5"
    & skf21("5","5","1","5","6","4","5","1") = "5"
    & skf21("5","5","1","5","6","4","6","1") = "5"
    & skf21("5","5","1","5","6","4","7","1") = "6"
    & skf21("5","5","1","5","6","5","1","1") = "5"
    & skf21("5","5","1","5","6","5","2","1") = "5"
    & skf21("5","5","1","5","6","5","3","1") = "5"
    & skf21("5","5","1","5","6","5","4","1") = "5"
    & skf21("5","5","1","5","6","5","5","1") = "5"
    & skf21("5","5","1","5","6","5","6","1") = "5"
    & skf21("5","5","1","5","6","5","7","1") = "6"
    & skf21("5","5","1","5","6","6","1","1") = "5"
    & skf21("5","5","1","5","6","6","2","1") = "5"
    & skf21("5","5","1","5","6","6","3","1") = "5"
    & skf21("5","5","1","5","6","6","4","1") = "5"
    & skf21("5","5","1","5","6","6","5","1") = "5"
    & skf21("5","5","1","5","6","6","6","1") = "5"
    & skf21("5","5","1","5","6","6","7","1") = "6"
    & skf21("5","5","1","5","6","7","1","1") = "6"
    & skf21("5","5","1","5","6","7","2","1") = "6"
    & skf21("5","5","1","5","6","7","3","1") = "6"
    & skf21("5","5","1","5","6","7","4","1") = "6"
    & skf21("5","5","1","5","6","7","5","1") = "6"
    & skf21("5","5","1","5","6","7","6","1") = "6"
    & skf21("5","5","1","5","6","7","7","1") = "6"
    & skf21("5","5","1","5","7","1","1","1") = "6"
    & skf21("5","5","1","5","7","1","2","1") = "6"
    & skf21("5","5","1","5","7","1","3","1") = "6"
    & skf21("5","5","1","5","7","1","4","1") = "6"
    & skf21("5","5","1","5","7","1","5","1") = "6"
    & skf21("5","5","1","5","7","1","6","1") = "6"
    & skf21("5","5","1","5","7","1","7","1") = "6"
    & skf21("5","5","1","5","7","2","1","1") = "6"
    & skf21("5","5","1","5","7","2","2","1") = "6"
    & skf21("5","5","1","5","7","2","3","1") = "6"
    & skf21("5","5","1","5","7","2","4","1") = "6"
    & skf21("5","5","1","5","7","2","5","1") = "6"
    & skf21("5","5","1","5","7","2","6","1") = "6"
    & skf21("5","5","1","5","7","2","7","1") = "6"
    & skf21("5","5","1","5","7","3","1","1") = "6"
    & skf21("5","5","1","5","7","3","2","1") = "6"
    & skf21("5","5","1","5","7","3","3","1") = "6"
    & skf21("5","5","1","5","7","3","4","1") = "6"
    & skf21("5","5","1","5","7","3","5","1") = "6"
    & skf21("5","5","1","5","7","3","6","1") = "6"
    & skf21("5","5","1","5","7","3","7","1") = "6"
    & skf21("5","5","1","5","7","4","1","1") = "6"
    & skf21("5","5","1","5","7","4","2","1") = "6"
    & skf21("5","5","1","5","7","4","3","1") = "6"
    & skf21("5","5","1","5","7","4","4","1") = "6"
    & skf21("5","5","1","5","7","4","5","1") = "6"
    & skf21("5","5","1","5","7","4","6","1") = "6"
    & skf21("5","5","1","5","7","4","7","1") = "6"
    & skf21("5","5","1","5","7","5","1","1") = "6"
    & skf21("5","5","1","5","7","5","2","1") = "6"
    & skf21("5","5","1","5","7","5","3","1") = "6"
    & skf21("5","5","1","5","7","5","4","1") = "6"
    & skf21("5","5","1","5","7","5","5","1") = "6"
    & skf21("5","5","1","5","7","5","6","1") = "6"
    & skf21("5","5","1","5","7","5","7","1") = "6"
    & skf21("5","5","1","5","7","6","1","1") = "6"
    & skf21("5","5","1","5","7","6","2","1") = "6"
    & skf21("5","5","1","5","7","6","3","1") = "6"
    & skf21("5","5","1","5","7","6","4","1") = "6"
    & skf21("5","5","1","5","7","6","5","1") = "6"
    & skf21("5","5","1","5","7","6","6","1") = "6"
    & skf21("5","5","1","5","7","6","7","1") = "6"
    & skf21("5","5","1","5","7","7","1","1") = "6"
    & skf21("5","5","1","5","7","7","2","1") = "6"
    & skf21("5","5","1","5","7","7","3","1") = "6"
    & skf21("5","5","1","5","7","7","4","1") = "6"
    & skf21("5","5","1","5","7","7","5","1") = "6"
    & skf21("5","5","1","5","7","7","6","1") = "6"
    & skf21("5","5","1","5","7","7","7","1") = "6"
    & skf21("5","5","1","6","1","1","1","1") = "5"
    & skf21("5","5","1","6","1","1","2","1") = "5"
    & skf21("5","5","1","6","1","1","3","1") = "5"
    & skf21("5","5","1","6","1","1","4","1") = "5"
    & skf21("5","5","1","6","1","1","5","1") = "5"
    & skf21("5","5","1","6","1","1","6","1") = "5"
    & skf21("5","5","1","6","1","1","7","1") = "6"
    & skf21("5","5","1","6","1","2","1","1") = "5"
    & skf21("5","5","1","6","1","2","2","1") = "5"
    & skf21("5","5","1","6","1","2","3","1") = "5"
    & skf21("5","5","1","6","1","2","4","1") = "5"
    & skf21("5","5","1","6","1","2","5","1") = "5"
    & skf21("5","5","1","6","1","2","6","1") = "5"
    & skf21("5","5","1","6","1","2","7","1") = "6"
    & skf21("5","5","1","6","1","3","1","1") = "5"
    & skf21("5","5","1","6","1","3","2","1") = "5"
    & skf21("5","5","1","6","1","3","3","1") = "5"
    & skf21("5","5","1","6","1","3","4","1") = "5"
    & skf21("5","5","1","6","1","3","5","1") = "5"
    & skf21("5","5","1","6","1","3","6","1") = "5"
    & skf21("5","5","1","6","1","3","7","1") = "6"
    & skf21("5","5","1","6","1","4","1","1") = "5"
    & skf21("5","5","1","6","1","4","2","1") = "5"
    & skf21("5","5","1","6","1","4","3","1") = "5"
    & skf21("5","5","1","6","1","4","4","1") = "5"
    & skf21("5","5","1","6","1","4","5","1") = "5"
    & skf21("5","5","1","6","1","4","6","1") = "5"
    & skf21("5","5","1","6","1","4","7","1") = "6"
    & skf21("5","5","1","6","1","5","1","1") = "5"
    & skf21("5","5","1","6","1","5","2","1") = "5"
    & skf21("5","5","1","6","1","5","3","1") = "5"
    & skf21("5","5","1","6","1","5","4","1") = "5"
    & skf21("5","5","1","6","1","5","5","1") = "5"
    & skf21("5","5","1","6","1","5","6","1") = "5"
    & skf21("5","5","1","6","1","5","7","1") = "6"
    & skf21("5","5","1","6","1","6","1","1") = "5"
    & skf21("5","5","1","6","1","6","2","1") = "5"
    & skf21("5","5","1","6","1","6","3","1") = "5"
    & skf21("5","5","1","6","1","6","4","1") = "5"
    & skf21("5","5","1","6","1","6","5","1") = "5"
    & skf21("5","5","1","6","1","6","6","1") = "5"
    & skf21("5","5","1","6","1","6","7","1") = "6"
    & skf21("5","5","1","6","1","7","1","1") = "6"
    & skf21("5","5","1","6","1","7","2","1") = "6"
    & skf21("5","5","1","6","1","7","3","1") = "6"
    & skf21("5","5","1","6","1","7","4","1") = "6"
    & skf21("5","5","1","6","1","7","5","1") = "6"
    & skf21("5","5","1","6","1","7","6","1") = "6"
    & skf21("5","5","1","6","1","7","7","1") = "6"
    & skf21("5","5","1","6","2","1","1","1") = "5"
    & skf21("5","5","1","6","2","1","2","1") = "5"
    & skf21("5","5","1","6","2","1","3","1") = "5"
    & skf21("5","5","1","6","2","1","4","1") = "5"
    & skf21("5","5","1","6","2","1","5","1") = "5"
    & skf21("5","5","1","6","2","1","6","1") = "5"
    & skf21("5","5","1","6","2","1","7","1") = "6"
    & skf21("5","5","1","6","2","2","1","1") = "5"
    & skf21("5","5","1","6","2","2","2","1") = "5"
    & skf21("5","5","1","6","2","2","3","1") = "5"
    & skf21("5","5","1","6","2","2","4","1") = "5"
    & skf21("5","5","1","6","2","2","5","1") = "5"
    & skf21("5","5","1","6","2","2","6","1") = "5"
    & skf21("5","5","1","6","2","2","7","1") = "6"
    & skf21("5","5","1","6","2","3","1","1") = "5"
    & skf21("5","5","1","6","2","3","2","1") = "5"
    & skf21("5","5","1","6","2","3","3","1") = "5"
    & skf21("5","5","1","6","2","3","4","1") = "5"
    & skf21("5","5","1","6","2","3","5","1") = "5"
    & skf21("5","5","1","6","2","3","6","1") = "5"
    & skf21("5","5","1","6","2","3","7","1") = "6"
    & skf21("5","5","1","6","2","4","1","1") = "5"
    & skf21("5","5","1","6","2","4","2","1") = "5"
    & skf21("5","5","1","6","2","4","3","1") = "5"
    & skf21("5","5","1","6","2","4","4","1") = "5"
    & skf21("5","5","1","6","2","4","5","1") = "5"
    & skf21("5","5","1","6","2","4","6","1") = "5"
    & skf21("5","5","1","6","2","4","7","1") = "6"
    & skf21("5","5","1","6","2","5","1","1") = "5"
    & skf21("5","5","1","6","2","5","2","1") = "5"
    & skf21("5","5","1","6","2","5","3","1") = "5"
    & skf21("5","5","1","6","2","5","4","1") = "5"
    & skf21("5","5","1","6","2","5","5","1") = "5"
    & skf21("5","5","1","6","2","5","6","1") = "5"
    & skf21("5","5","1","6","2","5","7","1") = "6"
    & skf21("5","5","1","6","2","6","1","1") = "5"
    & skf21("5","5","1","6","2","6","2","1") = "5"
    & skf21("5","5","1","6","2","6","3","1") = "5"
    & skf21("5","5","1","6","2","6","4","1") = "5"
    & skf21("5","5","1","6","2","6","5","1") = "5"
    & skf21("5","5","1","6","2","6","6","1") = "5"
    & skf21("5","5","1","6","2","6","7","1") = "6"
    & skf21("5","5","1","6","2","7","1","1") = "6"
    & skf21("5","5","1","6","2","7","2","1") = "6"
    & skf21("5","5","1","6","2","7","3","1") = "6"
    & skf21("5","5","1","6","2","7","4","1") = "6"
    & skf21("5","5","1","6","2","7","5","1") = "6"
    & skf21("5","5","1","6","2","7","6","1") = "6"
    & skf21("5","5","1","6","2","7","7","1") = "6"
    & skf21("5","5","1","6","3","1","1","1") = "5"
    & skf21("5","5","1","6","3","1","2","1") = "5"
    & skf21("5","5","1","6","3","1","3","1") = "5"
    & skf21("5","5","1","6","3","1","4","1") = "5"
    & skf21("5","5","1","6","3","1","5","1") = "5"
    & skf21("5","5","1","6","3","1","6","1") = "5"
    & skf21("5","5","1","6","3","1","7","1") = "6"
    & skf21("5","5","1","6","3","2","1","1") = "5"
    & skf21("5","5","1","6","3","2","2","1") = "5"
    & skf21("5","5","1","6","3","2","3","1") = "5"
    & skf21("5","5","1","6","3","2","4","1") = "5"
    & skf21("5","5","1","6","3","2","5","1") = "5"
    & skf21("5","5","1","6","3","2","6","1") = "5"
    & skf21("5","5","1","6","3","2","7","1") = "6"
    & skf21("5","5","1","6","3","3","1","1") = "5"
    & skf21("5","5","1","6","3","3","2","1") = "5"
    & skf21("5","5","1","6","3","3","3","1") = "5"
    & skf21("5","5","1","6","3","3","4","1") = "5"
    & skf21("5","5","1","6","3","3","5","1") = "5"
    & skf21("5","5","1","6","3","3","6","1") = "5"
    & skf21("5","5","1","6","3","3","7","1") = "6"
    & skf21("5","5","1","6","3","4","1","1") = "5"
    & skf21("5","5","1","6","3","4","2","1") = "5"
    & skf21("5","5","1","6","3","4","3","1") = "5"
    & skf21("5","5","1","6","3","4","4","1") = "5"
    & skf21("5","5","1","6","3","4","5","1") = "5"
    & skf21("5","5","1","6","3","4","6","1") = "5"
    & skf21("5","5","1","6","3","4","7","1") = "6"
    & skf21("5","5","1","6","3","5","1","1") = "5"
    & skf21("5","5","1","6","3","5","2","1") = "5"
    & skf21("5","5","1","6","3","5","3","1") = "5"
    & skf21("5","5","1","6","3","5","4","1") = "5"
    & skf21("5","5","1","6","3","5","5","1") = "5"
    & skf21("5","5","1","6","3","5","6","1") = "5"
    & skf21("5","5","1","6","3","5","7","1") = "6"
    & skf21("5","5","1","6","3","6","1","1") = "5"
    & skf21("5","5","1","6","3","6","2","1") = "5"
    & skf21("5","5","1","6","3","6","3","1") = "5"
    & skf21("5","5","1","6","3","6","4","1") = "5"
    & skf21("5","5","1","6","3","6","5","1") = "5"
    & skf21("5","5","1","6","3","6","6","1") = "5"
    & skf21("5","5","1","6","3","6","7","1") = "6"
    & skf21("5","5","1","6","3","7","1","1") = "6"
    & skf21("5","5","1","6","3","7","2","1") = "6"
    & skf21("5","5","1","6","3","7","3","1") = "6"
    & skf21("5","5","1","6","3","7","4","1") = "6"
    & skf21("5","5","1","6","3","7","5","1") = "6"
    & skf21("5","5","1","6","3","7","6","1") = "6"
    & skf21("5","5","1","6","3","7","7","1") = "6"
    & skf21("5","5","1","6","4","1","1","1") = "5"
    & skf21("5","5","1","6","4","1","2","1") = "5"
    & skf21("5","5","1","6","4","1","3","1") = "5"
    & skf21("5","5","1","6","4","1","4","1") = "5"
    & skf21("5","5","1","6","4","1","5","1") = "5"
    & skf21("5","5","1","6","4","1","6","1") = "5"
    & skf21("5","5","1","6","4","1","7","1") = "6"
    & skf21("5","5","1","6","4","2","1","1") = "5"
    & skf21("5","5","1","6","4","2","2","1") = "5"
    & skf21("5","5","1","6","4","2","3","1") = "5"
    & skf21("5","5","1","6","4","2","4","1") = "5"
    & skf21("5","5","1","6","4","2","5","1") = "5"
    & skf21("5","5","1","6","4","2","6","1") = "5"
    & skf21("5","5","1","6","4","2","7","1") = "6"
    & skf21("5","5","1","6","4","3","1","1") = "5"
    & skf21("5","5","1","6","4","3","2","1") = "5"
    & skf21("5","5","1","6","4","3","3","1") = "5"
    & skf21("5","5","1","6","4","3","4","1") = "5"
    & skf21("5","5","1","6","4","3","5","1") = "5"
    & skf21("5","5","1","6","4","3","6","1") = "5"
    & skf21("5","5","1","6","4","3","7","1") = "6"
    & skf21("5","5","1","6","4","4","1","1") = "5"
    & skf21("5","5","1","6","4","4","2","1") = "5"
    & skf21("5","5","1","6","4","4","3","1") = "5"
    & skf21("5","5","1","6","4","4","4","1") = "5"
    & skf21("5","5","1","6","4","4","5","1") = "5"
    & skf21("5","5","1","6","4","4","6","1") = "5"
    & skf21("5","5","1","6","4","4","7","1") = "6"
    & skf21("5","5","1","6","4","5","1","1") = "5"
    & skf21("5","5","1","6","4","5","2","1") = "5"
    & skf21("5","5","1","6","4","5","3","1") = "5"
    & skf21("5","5","1","6","4","5","4","1") = "5"
    & skf21("5","5","1","6","4","5","5","1") = "5"
    & skf21("5","5","1","6","4","5","6","1") = "5"
    & skf21("5","5","1","6","4","5","7","1") = "6"
    & skf21("5","5","1","6","4","6","1","1") = "5"
    & skf21("5","5","1","6","4","6","2","1") = "5"
    & skf21("5","5","1","6","4","6","3","1") = "5"
    & skf21("5","5","1","6","4","6","4","1") = "5"
    & skf21("5","5","1","6","4","6","5","1") = "5"
    & skf21("5","5","1","6","4","6","6","1") = "5"
    & skf21("5","5","1","6","4","6","7","1") = "6"
    & skf21("5","5","1","6","4","7","1","1") = "6"
    & skf21("5","5","1","6","4","7","2","1") = "6"
    & skf21("5","5","1","6","4","7","3","1") = "6"
    & skf21("5","5","1","6","4","7","4","1") = "6"
    & skf21("5","5","1","6","4","7","5","1") = "6"
    & skf21("5","5","1","6","4","7","6","1") = "6"
    & skf21("5","5","1","6","4","7","7","1") = "6"
    & skf21("5","5","1","6","5","1","1","1") = "5"
    & skf21("5","5","1","6","5","1","2","1") = "5"
    & skf21("5","5","1","6","5","1","3","1") = "5"
    & skf21("5","5","1","6","5","1","4","1") = "5"
    & skf21("5","5","1","6","5","1","5","1") = "5"
    & skf21("5","5","1","6","5","1","6","1") = "5"
    & skf21("5","5","1","6","5","1","7","1") = "6"
    & skf21("5","5","1","6","5","2","1","1") = "5"
    & skf21("5","5","1","6","5","2","2","1") = "5"
    & skf21("5","5","1","6","5","2","3","1") = "5"
    & skf21("5","5","1","6","5","2","4","1") = "5"
    & skf21("5","5","1","6","5","2","5","1") = "5"
    & skf21("5","5","1","6","5","2","6","1") = "5"
    & skf21("5","5","1","6","5","2","7","1") = "6"
    & skf21("5","5","1","6","5","3","1","1") = "5"
    & skf21("5","5","1","6","5","3","2","1") = "5"
    & skf21("5","5","1","6","5","3","3","1") = "5"
    & skf21("5","5","1","6","5","3","4","1") = "5"
    & skf21("5","5","1","6","5","3","5","1") = "5"
    & skf21("5","5","1","6","5","3","6","1") = "5"
    & skf21("5","5","1","6","5","3","7","1") = "6"
    & skf21("5","5","1","6","5","4","1","1") = "5"
    & skf21("5","5","1","6","5","4","2","1") = "5"
    & skf21("5","5","1","6","5","4","3","1") = "5"
    & skf21("5","5","1","6","5","4","4","1") = "5"
    & skf21("5","5","1","6","5","4","5","1") = "5"
    & skf21("5","5","1","6","5","4","6","1") = "5"
    & skf21("5","5","1","6","5","4","7","1") = "6"
    & skf21("5","5","1","6","5","5","1","1") = "5"
    & skf21("5","5","1","6","5","5","2","1") = "5"
    & skf21("5","5","1","6","5","5","3","1") = "5"
    & skf21("5","5","1","6","5","5","4","1") = "5"
    & skf21("5","5","1","6","5","5","5","1") = "5"
    & skf21("5","5","1","6","5","5","6","1") = "5"
    & skf21("5","5","1","6","5","5","7","1") = "6"
    & skf21("5","5","1","6","5","6","1","1") = "5"
    & skf21("5","5","1","6","5","6","2","1") = "5"
    & skf21("5","5","1","6","5","6","3","1") = "5"
    & skf21("5","5","1","6","5","6","4","1") = "5"
    & skf21("5","5","1","6","5","6","5","1") = "5"
    & skf21("5","5","1","6","5","6","6","1") = "5"
    & skf21("5","5","1","6","5","6","7","1") = "6"
    & skf21("5","5","1","6","5","7","1","1") = "6"
    & skf21("5","5","1","6","5","7","2","1") = "6"
    & skf21("5","5","1","6","5","7","3","1") = "6"
    & skf21("5","5","1","6","5","7","4","1") = "6"
    & skf21("5","5","1","6","5","7","5","1") = "6"
    & skf21("5","5","1","6","5","7","6","1") = "6"
    & skf21("5","5","1","6","5","7","7","1") = "6"
    & skf21("5","5","1","6","6","1","1","1") = "5"
    & skf21("5","5","1","6","6","1","2","1") = "5"
    & skf21("5","5","1","6","6","1","3","1") = "5"
    & skf21("5","5","1","6","6","1","4","1") = "5"
    & skf21("5","5","1","6","6","1","5","1") = "5"
    & skf21("5","5","1","6","6","1","6","1") = "5"
    & skf21("5","5","1","6","6","1","7","1") = "6"
    & skf21("5","5","1","6","6","2","1","1") = "5"
    & skf21("5","5","1","6","6","2","2","1") = "5"
    & skf21("5","5","1","6","6","2","3","1") = "5"
    & skf21("5","5","1","6","6","2","4","1") = "5"
    & skf21("5","5","1","6","6","2","5","1") = "5"
    & skf21("5","5","1","6","6","2","6","1") = "5"
    & skf21("5","5","1","6","6","2","7","1") = "6"
    & skf21("5","5","1","6","6","3","1","1") = "5"
    & skf21("5","5","1","6","6","3","2","1") = "5"
    & skf21("5","5","1","6","6","3","3","1") = "5"
    & skf21("5","5","1","6","6","3","4","1") = "5"
    & skf21("5","5","1","6","6","3","5","1") = "5"
    & skf21("5","5","1","6","6","3","6","1") = "5"
    & skf21("5","5","1","6","6","3","7","1") = "6"
    & skf21("5","5","1","6","6","4","1","1") = "5"
    & skf21("5","5","1","6","6","4","2","1") = "5"
    & skf21("5","5","1","6","6","4","3","1") = "5"
    & skf21("5","5","1","6","6","4","4","1") = "5"
    & skf21("5","5","1","6","6","4","5","1") = "5"
    & skf21("5","5","1","6","6","4","6","1") = "5"
    & skf21("5","5","1","6","6","4","7","1") = "6"
    & skf21("5","5","1","6","6","5","1","1") = "5"
    & skf21("5","5","1","6","6","5","2","1") = "5"
    & skf21("5","5","1","6","6","5","3","1") = "5"
    & skf21("5","5","1","6","6","5","4","1") = "5"
    & skf21("5","5","1","6","6","5","5","1") = "5"
    & skf21("5","5","1","6","6","5","6","1") = "5"
    & skf21("5","5","1","6","6","5","7","1") = "6"
    & skf21("5","5","1","6","6","6","1","1") = "5"
    & skf21("5","5","1","6","6","6","2","1") = "5"
    & skf21("5","5","1","6","6","6","3","1") = "5"
    & skf21("5","5","1","6","6","6","4","1") = "5"
    & skf21("5","5","1","6","6","6","5","1") = "5"
    & skf21("5","5","1","6","6","6","6","1") = "5"
    & skf21("5","5","1","6","6","6","7","1") = "6"
    & skf21("5","5","1","6","6","7","1","1") = "6"
    & skf21("5","5","1","6","6","7","2","1") = "6"
    & skf21("5","5","1","6","6","7","3","1") = "6"
    & skf21("5","5","1","6","6","7","4","1") = "6"
    & skf21("5","5","1","6","6","7","5","1") = "6"
    & skf21("5","5","1","6","6","7","6","1") = "6"
    & skf21("5","5","1","6","6","7","7","1") = "6"
    & skf21("5","5","1","6","7","1","1","1") = "6"
    & skf21("5","5","1","6","7","1","2","1") = "6"
    & skf21("5","5","1","6","7","1","3","1") = "6"
    & skf21("5","5","1","6","7","1","4","1") = "6"
    & skf21("5","5","1","6","7","1","5","1") = "6"
    & skf21("5","5","1","6","7","1","6","1") = "6"
    & skf21("5","5","1","6","7","1","7","1") = "6"
    & skf21("5","5","1","6","7","2","1","1") = "6"
    & skf21("5","5","1","6","7","2","2","1") = "6"
    & skf21("5","5","1","6","7","2","3","1") = "6"
    & skf21("5","5","1","6","7","2","4","1") = "6"
    & skf21("5","5","1","6","7","2","5","1") = "6"
    & skf21("5","5","1","6","7","2","6","1") = "6"
    & skf21("5","5","1","6","7","2","7","1") = "6"
    & skf21("5","5","1","6","7","3","1","1") = "6"
    & skf21("5","5","1","6","7","3","2","1") = "6"
    & skf21("5","5","1","6","7","3","3","1") = "6"
    & skf21("5","5","1","6","7","3","4","1") = "6"
    & skf21("5","5","1","6","7","3","5","1") = "6"
    & skf21("5","5","1","6","7","3","6","1") = "6"
    & skf21("5","5","1","6","7","3","7","1") = "6"
    & skf21("5","5","1","6","7","4","1","1") = "6"
    & skf21("5","5","1","6","7","4","2","1") = "6"
    & skf21("5","5","1","6","7","4","3","1") = "6"
    & skf21("5","5","1","6","7","4","4","1") = "6"
    & skf21("5","5","1","6","7","4","5","1") = "6"
    & skf21("5","5","1","6","7","4","6","1") = "6"
    & skf21("5","5","1","6","7","4","7","1") = "6"
    & skf21("5","5","1","6","7","5","1","1") = "6"
    & skf21("5","5","1","6","7","5","2","1") = "6"
    & skf21("5","5","1","6","7","5","3","1") = "6"
    & skf21("5","5","1","6","7","5","4","1") = "6"
    & skf21("5","5","1","6","7","5","5","1") = "6"
    & skf21("5","5","1","6","7","5","6","1") = "6"
    & skf21("5","5","1","6","7","5","7","1") = "6"
    & skf21("5","5","1","6","7","6","1","1") = "6"
    & skf21("5","5","1","6","7","6","2","1") = "6"
    & skf21("5","5","1","6","7","6","3","1") = "6"
    & skf21("5","5","1","6","7","6","4","1") = "6"
    & skf21("5","5","1","6","7","6","5","1") = "6"
    & skf21("5","5","1","6","7","6","6","1") = "6"
    & skf21("5","5","1","6","7","6","7","1") = "6"
    & skf21("5","5","1","6","7","7","1","1") = "6"
    & skf21("5","5","1","6","7","7","2","1") = "6"
    & skf21("5","5","1","6","7","7","3","1") = "6"
    & skf21("5","5","1","6","7","7","4","1") = "6"
    & skf21("5","5","1","6","7","7","5","1") = "6"
    & skf21("5","5","1","6","7","7","6","1") = "6"
    & skf21("5","5","1","6","7","7","7","1") = "6"
    & skf21("5","5","1","7","1","1","1","1") = "6"
    & skf21("5","5","1","7","1","1","2","1") = "6"
    & skf21("5","5","1","7","1","1","3","1") = "6"
    & skf21("5","5","1","7","1","1","4","1") = "6"
    & skf21("5","5","1","7","1","1","5","1") = "6"
    & skf21("5","5","1","7","1","1","6","1") = "6"
    & skf21("5","5","1","7","1","1","7","1") = "6"
    & skf21("5","5","1","7","1","2","1","1") = "6"
    & skf21("5","5","1","7","1","2","2","1") = "6"
    & skf21("5","5","1","7","1","2","3","1") = "6"
    & skf21("5","5","1","7","1","2","4","1") = "6"
    & skf21("5","5","1","7","1","2","5","1") = "6"
    & skf21("5","5","1","7","1","2","6","1") = "6"
    & skf21("5","5","1","7","1","2","7","1") = "6"
    & skf21("5","5","1","7","1","3","1","1") = "6"
    & skf21("5","5","1","7","1","3","2","1") = "6"
    & skf21("5","5","1","7","1","3","3","1") = "6"
    & skf21("5","5","1","7","1","3","4","1") = "6"
    & skf21("5","5","1","7","1","3","5","1") = "6"
    & skf21("5","5","1","7","1","3","6","1") = "6"
    & skf21("5","5","1","7","1","3","7","1") = "6"
    & skf21("5","5","1","7","1","4","1","1") = "6"
    & skf21("5","5","1","7","1","4","2","1") = "6"
    & skf21("5","5","1","7","1","4","3","1") = "6"
    & skf21("5","5","1","7","1","4","4","1") = "6"
    & skf21("5","5","1","7","1","4","5","1") = "6"
    & skf21("5","5","1","7","1","4","6","1") = "6"
    & skf21("5","5","1","7","1","4","7","1") = "6"
    & skf21("5","5","1","7","1","5","1","1") = "6"
    & skf21("5","5","1","7","1","5","2","1") = "6"
    & skf21("5","5","1","7","1","5","3","1") = "6"
    & skf21("5","5","1","7","1","5","4","1") = "6"
    & skf21("5","5","1","7","1","5","5","1") = "6"
    & skf21("5","5","1","7","1","5","6","1") = "6"
    & skf21("5","5","1","7","1","5","7","1") = "6"
    & skf21("5","5","1","7","1","6","1","1") = "6"
    & skf21("5","5","1","7","1","6","2","1") = "6"
    & skf21("5","5","1","7","1","6","3","1") = "6"
    & skf21("5","5","1","7","1","6","4","1") = "6"
    & skf21("5","5","1","7","1","6","5","1") = "6"
    & skf21("5","5","1","7","1","6","6","1") = "6"
    & skf21("5","5","1","7","1","6","7","1") = "6"
    & skf21("5","5","1","7","1","7","1","1") = "6"
    & skf21("5","5","1","7","1","7","2","1") = "6"
    & skf21("5","5","1","7","1","7","3","1") = "6"
    & skf21("5","5","1","7","1","7","4","1") = "6"
    & skf21("5","5","1","7","1","7","5","1") = "6"
    & skf21("5","5","1","7","1","7","6","1") = "6"
    & skf21("5","5","1","7","1","7","7","1") = "6"
    & skf21("5","5","1","7","2","1","1","1") = "6"
    & skf21("5","5","1","7","2","1","2","1") = "6"
    & skf21("5","5","1","7","2","1","3","1") = "6"
    & skf21("5","5","1","7","2","1","4","1") = "6"
    & skf21("5","5","1","7","2","1","5","1") = "6"
    & skf21("5","5","1","7","2","1","6","1") = "6"
    & skf21("5","5","1","7","2","1","7","1") = "6"
    & skf21("5","5","1","7","2","2","1","1") = "6"
    & skf21("5","5","1","7","2","2","2","1") = "6"
    & skf21("5","5","1","7","2","2","3","1") = "6"
    & skf21("5","5","1","7","2","2","4","1") = "6"
    & skf21("5","5","1","7","2","2","5","1") = "6"
    & skf21("5","5","1","7","2","2","6","1") = "6"
    & skf21("5","5","1","7","2","2","7","1") = "6"
    & skf21("5","5","1","7","2","3","1","1") = "6"
    & skf21("5","5","1","7","2","3","2","1") = "6"
    & skf21("5","5","1","7","2","3","3","1") = "6"
    & skf21("5","5","1","7","2","3","4","1") = "6"
    & skf21("5","5","1","7","2","3","5","1") = "6"
    & skf21("5","5","1","7","2","3","6","1") = "6"
    & skf21("5","5","1","7","2","3","7","1") = "6"
    & skf21("5","5","1","7","2","4","1","1") = "6"
    & skf21("5","5","1","7","2","4","2","1") = "6"
    & skf21("5","5","1","7","2","4","3","1") = "6"
    & skf21("5","5","1","7","2","4","4","1") = "6"
    & skf21("5","5","1","7","2","4","5","1") = "6"
    & skf21("5","5","1","7","2","4","6","1") = "6"
    & skf21("5","5","1","7","2","4","7","1") = "6"
    & skf21("5","5","1","7","2","5","1","1") = "6"
    & skf21("5","5","1","7","2","5","2","1") = "6"
    & skf21("5","5","1","7","2","5","3","1") = "6"
    & skf21("5","5","1","7","2","5","4","1") = "6"
    & skf21("5","5","1","7","2","5","5","1") = "6"
    & skf21("5","5","1","7","2","5","6","1") = "6"
    & skf21("5","5","1","7","2","5","7","1") = "6"
    & skf21("5","5","1","7","2","6","1","1") = "6"
    & skf21("5","5","1","7","2","6","2","1") = "6"
    & skf21("5","5","1","7","2","6","3","1") = "6"
    & skf21("5","5","1","7","2","6","4","1") = "6"
    & skf21("5","5","1","7","2","6","5","1") = "6"
    & skf21("5","5","1","7","2","6","6","1") = "6"
    & skf21("5","5","1","7","2","6","7","1") = "6"
    & skf21("5","5","1","7","2","7","1","1") = "6"
    & skf21("5","5","1","7","2","7","2","1") = "6"
    & skf21("5","5","1","7","2","7","3","1") = "6"
    & skf21("5","5","1","7","2","7","4","1") = "6"
    & skf21("5","5","1","7","2","7","5","1") = "6"
    & skf21("5","5","1","7","2","7","6","1") = "6"
    & skf21("5","5","1","7","2","7","7","1") = "6"
    & skf21("5","5","1","7","3","1","1","1") = "6"
    & skf21("5","5","1","7","3","1","2","1") = "6"
    & skf21("5","5","1","7","3","1","3","1") = "6"
    & skf21("5","5","1","7","3","1","4","1") = "6"
    & skf21("5","5","1","7","3","1","5","1") = "6"
    & skf21("5","5","1","7","3","1","6","1") = "6"
    & skf21("5","5","1","7","3","1","7","1") = "6"
    & skf21("5","5","1","7","3","2","1","1") = "6"
    & skf21("5","5","1","7","3","2","2","1") = "6"
    & skf21("5","5","1","7","3","2","3","1") = "6"
    & skf21("5","5","1","7","3","2","4","1") = "6"
    & skf21("5","5","1","7","3","2","5","1") = "6"
    & skf21("5","5","1","7","3","2","6","1") = "6"
    & skf21("5","5","1","7","3","2","7","1") = "6"
    & skf21("5","5","1","7","3","3","1","1") = "6"
    & skf21("5","5","1","7","3","3","2","1") = "6"
    & skf21("5","5","1","7","3","3","3","1") = "6"
    & skf21("5","5","1","7","3","3","4","1") = "6"
    & skf21("5","5","1","7","3","3","5","1") = "6"
    & skf21("5","5","1","7","3","3","6","1") = "6"
    & skf21("5","5","1","7","3","3","7","1") = "6"
    & skf21("5","5","1","7","3","4","1","1") = "6"
    & skf21("5","5","1","7","3","4","2","1") = "6"
    & skf21("5","5","1","7","3","4","3","1") = "6"
    & skf21("5","5","1","7","3","4","4","1") = "6"
    & skf21("5","5","1","7","3","4","5","1") = "6"
    & skf21("5","5","1","7","3","4","6","1") = "6"
    & skf21("5","5","1","7","3","4","7","1") = "6"
    & skf21("5","5","1","7","3","5","1","1") = "6"
    & skf21("5","5","1","7","3","5","2","1") = "6"
    & skf21("5","5","1","7","3","5","3","1") = "6"
    & skf21("5","5","1","7","3","5","4","1") = "6"
    & skf21("5","5","1","7","3","5","5","1") = "6"
    & skf21("5","5","1","7","3","5","6","1") = "6"
    & skf21("5","5","1","7","3","5","7","1") = "6"
    & skf21("5","5","1","7","3","6","1","1") = "6"
    & skf21("5","5","1","7","3","6","2","1") = "6"
    & skf21("5","5","1","7","3","6","3","1") = "6"
    & skf21("5","5","1","7","3","6","4","1") = "6"
    & skf21("5","5","1","7","3","6","5","1") = "6"
    & skf21("5","5","1","7","3","6","6","1") = "6"
    & skf21("5","5","1","7","3","6","7","1") = "6"
    & skf21("5","5","1","7","3","7","1","1") = "6"
    & skf21("5","5","1","7","3","7","2","1") = "6"
    & skf21("5","5","1","7","3","7","3","1") = "6"
    & skf21("5","5","1","7","3","7","4","1") = "6"
    & skf21("5","5","1","7","3","7","5","1") = "6"
    & skf21("5","5","1","7","3","7","6","1") = "6"
    & skf21("5","5","1","7","3","7","7","1") = "6"
    & skf21("5","5","1","7","4","1","1","1") = "6"
    & skf21("5","5","1","7","4","1","2","1") = "6"
    & skf21("5","5","1","7","4","1","3","1") = "6"
    & skf21("5","5","1","7","4","1","4","1") = "6"
    & skf21("5","5","1","7","4","1","5","1") = "6"
    & skf21("5","5","1","7","4","1","6","1") = "6"
    & skf21("5","5","1","7","4","1","7","1") = "6"
    & skf21("5","5","1","7","4","2","1","1") = "6"
    & skf21("5","5","1","7","4","2","2","1") = "6"
    & skf21("5","5","1","7","4","2","3","1") = "6"
    & skf21("5","5","1","7","4","2","4","1") = "6"
    & skf21("5","5","1","7","4","2","5","1") = "6"
    & skf21("5","5","1","7","4","2","6","1") = "6"
    & skf21("5","5","1","7","4","2","7","1") = "6"
    & skf21("5","5","1","7","4","3","1","1") = "6"
    & skf21("5","5","1","7","4","3","2","1") = "6"
    & skf21("5","5","1","7","4","3","3","1") = "6"
    & skf21("5","5","1","7","4","3","4","1") = "6"
    & skf21("5","5","1","7","4","3","5","1") = "6"
    & skf21("5","5","1","7","4","3","6","1") = "6"
    & skf21("5","5","1","7","4","3","7","1") = "6"
    & skf21("5","5","1","7","4","4","1","1") = "6"
    & skf21("5","5","1","7","4","4","2","1") = "6"
    & skf21("5","5","1","7","4","4","3","1") = "6"
    & skf21("5","5","1","7","4","4","4","1") = "6"
    & skf21("5","5","1","7","4","4","5","1") = "6"
    & skf21("5","5","1","7","4","4","6","1") = "6"
    & skf21("5","5","1","7","4","4","7","1") = "6"
    & skf21("5","5","1","7","4","5","1","1") = "6"
    & skf21("5","5","1","7","4","5","2","1") = "6"
    & skf21("5","5","1","7","4","5","3","1") = "6"
    & skf21("5","5","1","7","4","5","4","1") = "6"
    & skf21("5","5","1","7","4","5","5","1") = "6"
    & skf21("5","5","1","7","4","5","6","1") = "6"
    & skf21("5","5","1","7","4","5","7","1") = "6"
    & skf21("5","5","1","7","4","6","1","1") = "6"
    & skf21("5","5","1","7","4","6","2","1") = "6"
    & skf21("5","5","1","7","4","6","3","1") = "6"
    & skf21("5","5","1","7","4","6","4","1") = "6"
    & skf21("5","5","1","7","4","6","5","1") = "6"
    & skf21("5","5","1","7","4","6","6","1") = "6"
    & skf21("5","5","1","7","4","6","7","1") = "6"
    & skf21("5","5","1","7","4","7","1","1") = "6"
    & skf21("5","5","1","7","4","7","2","1") = "6"
    & skf21("5","5","1","7","4","7","3","1") = "6"
    & skf21("5","5","1","7","4","7","4","1") = "6"
    & skf21("5","5","1","7","4","7","5","1") = "6"
    & skf21("5","5","1","7","4","7","6","1") = "6"
    & skf21("5","5","1","7","4","7","7","1") = "6"
    & skf21("5","5","1","7","5","1","1","1") = "6"
    & skf21("5","5","1","7","5","1","2","1") = "6"
    & skf21("5","5","1","7","5","1","3","1") = "6"
    & skf21("5","5","1","7","5","1","4","1") = "6"
    & skf21("5","5","1","7","5","1","5","1") = "6"
    & skf21("5","5","1","7","5","1","6","1") = "6"
    & skf21("5","5","1","7","5","1","7","1") = "6"
    & skf21("5","5","1","7","5","2","1","1") = "6"
    & skf21("5","5","1","7","5","2","2","1") = "6"
    & skf21("5","5","1","7","5","2","3","1") = "6"
    & skf21("5","5","1","7","5","2","4","1") = "6"
    & skf21("5","5","1","7","5","2","5","1") = "6"
    & skf21("5","5","1","7","5","2","6","1") = "6"
    & skf21("5","5","1","7","5","2","7","1") = "6"
    & skf21("5","5","1","7","5","3","1","1") = "6"
    & skf21("5","5","1","7","5","3","2","1") = "6"
    & skf21("5","5","1","7","5","3","3","1") = "6"
    & skf21("5","5","1","7","5","3","4","1") = "6"
    & skf21("5","5","1","7","5","3","5","1") = "6"
    & skf21("5","5","1","7","5","3","6","1") = "6"
    & skf21("5","5","1","7","5","3","7","1") = "6"
    & skf21("5","5","1","7","5","4","1","1") = "6"
    & skf21("5","5","1","7","5","4","2","1") = "6"
    & skf21("5","5","1","7","5","4","3","1") = "6"
    & skf21("5","5","1","7","5","4","4","1") = "6"
    & skf21("5","5","1","7","5","4","5","1") = "6"
    & skf21("5","5","1","7","5","4","6","1") = "6"
    & skf21("5","5","1","7","5","4","7","1") = "6"
    & skf21("5","5","1","7","5","5","1","1") = "6"
    & skf21("5","5","1","7","5","5","2","1") = "6"
    & skf21("5","5","1","7","5","5","3","1") = "6"
    & skf21("5","5","1","7","5","5","4","1") = "6"
    & skf21("5","5","1","7","5","5","5","1") = "6"
    & skf21("5","5","1","7","5","5","6","1") = "6"
    & skf21("5","5","1","7","5","5","7","1") = "6"
    & skf21("5","5","1","7","5","6","1","1") = "6"
    & skf21("5","5","1","7","5","6","2","1") = "6"
    & skf21("5","5","1","7","5","6","3","1") = "6"
    & skf21("5","5","1","7","5","6","4","1") = "6"
    & skf21("5","5","1","7","5","6","5","1") = "6"
    & skf21("5","5","1","7","5","6","6","1") = "6"
    & skf21("5","5","1","7","5","6","7","1") = "6"
    & skf21("5","5","1","7","5","7","1","1") = "6"
    & skf21("5","5","1","7","5","7","2","1") = "6"
    & skf21("5","5","1","7","5","7","3","1") = "6"
    & skf21("5","5","1","7","5","7","4","1") = "6"
    & skf21("5","5","1","7","5","7","5","1") = "6"
    & skf21("5","5","1","7","5","7","6","1") = "6"
    & skf21("5","5","1","7","5","7","7","1") = "6"
    & skf21("5","5","1","7","6","1","1","1") = "6"
    & skf21("5","5","1","7","6","1","2","1") = "6"
    & skf21("5","5","1","7","6","1","3","1") = "6"
    & skf21("5","5","1","7","6","1","4","1") = "6"
    & skf21("5","5","1","7","6","1","5","1") = "6"
    & skf21("5","5","1","7","6","1","6","1") = "6"
    & skf21("5","5","1","7","6","1","7","1") = "6"
    & skf21("5","5","1","7","6","2","1","1") = "6"
    & skf21("5","5","1","7","6","2","2","1") = "6"
    & skf21("5","5","1","7","6","2","3","1") = "6"
    & skf21("5","5","1","7","6","2","4","1") = "6"
    & skf21("5","5","1","7","6","2","5","1") = "6"
    & skf21("5","5","1","7","6","2","6","1") = "6"
    & skf21("5","5","1","7","6","2","7","1") = "6"
    & skf21("5","5","1","7","6","3","1","1") = "6"
    & skf21("5","5","1","7","6","3","2","1") = "6"
    & skf21("5","5","1","7","6","3","3","1") = "6"
    & skf21("5","5","1","7","6","3","4","1") = "6"
    & skf21("5","5","1","7","6","3","5","1") = "6"
    & skf21("5","5","1","7","6","3","6","1") = "6"
    & skf21("5","5","1","7","6","3","7","1") = "6"
    & skf21("5","5","1","7","6","4","1","1") = "6"
    & skf21("5","5","1","7","6","4","2","1") = "6"
    & skf21("5","5","1","7","6","4","3","1") = "6"
    & skf21("5","5","1","7","6","4","4","1") = "6"
    & skf21("5","5","1","7","6","4","5","1") = "6"
    & skf21("5","5","1","7","6","4","6","1") = "6"
    & skf21("5","5","1","7","6","4","7","1") = "6"
    & skf21("5","5","1","7","6","5","1","1") = "6"
    & skf21("5","5","1","7","6","5","2","1") = "6"
    & skf21("5","5","1","7","6","5","3","1") = "6"
    & skf21("5","5","1","7","6","5","4","1") = "6"
    & skf21("5","5","1","7","6","5","5","1") = "6"
    & skf21("5","5","1","7","6","5","6","1") = "6"
    & skf21("5","5","1","7","6","5","7","1") = "6"
    & skf21("5","5","1","7","6","6","1","1") = "6"
    & skf21("5","5","1","7","6","6","2","1") = "6"
    & skf21("5","5","1","7","6","6","3","1") = "6"
    & skf21("5","5","1","7","6","6","4","1") = "6"
    & skf21("5","5","1","7","6","6","5","1") = "6"
    & skf21("5","5","1","7","6","6","6","1") = "6"
    & skf21("5","5","1","7","6","6","7","1") = "6"
    & skf21("5","5","1","7","6","7","1","1") = "6"
    & skf21("5","5","1","7","6","7","2","1") = "6"
    & skf21("5","5","1","7","6","7","3","1") = "6"
    & skf21("5","5","1","7","6","7","4","1") = "6"
    & skf21("5","5","1","7","6","7","5","1") = "6"
    & skf21("5","5","1","7","6","7","6","1") = "6"
    & skf21("5","5","1","7","6","7","7","1") = "6"
    & skf21("5","5","1","7","7","1","1","1") = "6"
    & skf21("5","5","1","7","7","1","2","1") = "6"
    & skf21("5","5","1","7","7","1","3","1") = "6"
    & skf21("5","5","1","7","7","1","4","1") = "6"
    & skf21("5","5","1","7","7","1","5","1") = "6"
    & skf21("5","5","1","7","7","1","6","1") = "6"
    & skf21("5","5","1","7","7","1","7","1") = "6"
    & skf21("5","5","1","7","7","2","1","1") = "6"
    & skf21("5","5","1","7","7","2","2","1") = "6"
    & skf21("5","5","1","7","7","2","3","1") = "6"
    & skf21("5","5","1","7","7","2","4","1") = "6"
    & skf21("5","5","1","7","7","2","5","1") = "6"
    & skf21("5","5","1","7","7","2","6","1") = "6"
    & skf21("5","5","1","7","7","2","7","1") = "6"
    & skf21("5","5","1","7","7","3","1","1") = "6"
    & skf21("5","5","1","7","7","3","2","1") = "6"
    & skf21("5","5","1","7","7","3","3","1") = "6"
    & skf21("5","5","1","7","7","3","4","1") = "6"
    & skf21("5","5","1","7","7","3","5","1") = "6"
    & skf21("5","5","1","7","7","3","6","1") = "6"
    & skf21("5","5","1","7","7","3","7","1") = "6"
    & skf21("5","5","1","7","7","4","1","1") = "6"
    & skf21("5","5","1","7","7","4","2","1") = "6"
    & skf21("5","5","1","7","7","4","3","1") = "6"
    & skf21("5","5","1","7","7","4","4","1") = "6"
    & skf21("5","5","1","7","7","4","5","1") = "6"
    & skf21("5","5","1","7","7","4","6","1") = "6"
    & skf21("5","5","1","7","7","4","7","1") = "6"
    & skf21("5","5","1","7","7","5","1","1") = "6"
    & skf21("5","5","1","7","7","5","2","1") = "6"
    & skf21("5","5","1","7","7","5","3","1") = "6"
    & skf21("5","5","1","7","7","5","4","1") = "6"
    & skf21("5","5","1","7","7","5","5","1") = "6"
    & skf21("5","5","1","7","7","5","6","1") = "6"
    & skf21("5","5","1","7","7","5","7","1") = "6"
    & skf21("5","5","1","7","7","6","1","1") = "6"
    & skf21("5","5","1","7","7","6","2","1") = "6"
    & skf21("5","5","1","7","7","6","3","1") = "6"
    & skf21("5","5","1","7","7","6","4","1") = "6"
    & skf21("5","5","1","7","7","6","5","1") = "6"
    & skf21("5","5","1","7","7","6","6","1") = "6"
    & skf21("5","5","1","7","7","6","7","1") = "6"
    & skf21("5","5","1","7","7","7","1","1") = "6"
    & skf21("5","5","1","7","7","7","2","1") = "6"
    & skf21("5","5","1","7","7","7","3","1") = "6"
    & skf21("5","5","1","7","7","7","4","1") = "6"
    & skf21("5","5","1","7","7","7","5","1") = "6"
    & skf21("5","5","1","7","7","7","6","1") = "6"
    & skf21("5","5","1","7","7","7","7","1") = "6"
    & skf21("5","5","2","1","1","1","1","1") = "4"
    & skf21("5","5","2","1","1","1","2","1") = "4"
    & skf21("5","5","2","1","1","1","3","1") = "4"
    & skf21("5","5","2","1","1","1","4","1") = "4"
    & skf21("5","5","2","1","1","1","5","1") = "4"
    & skf21("5","5","2","1","1","1","6","1") = "5"
    & skf21("5","5","2","1","1","1","7","1") = "6"
    & skf21("5","5","2","1","1","2","1","1") = "4"
    & skf21("5","5","2","1","1","2","2","1") = "4"
    & skf21("5","5","2","1","1","2","3","1") = "4"
    & skf21("5","5","2","1","1","2","4","1") = "4"
    & skf21("5","5","2","1","1","2","5","1") = "4"
    & skf21("5","5","2","1","1","2","6","1") = "5"
    & skf21("5","5","2","1","1","2","7","1") = "6"
    & skf21("5","5","2","1","1","3","1","1") = "4"
    & skf21("5","5","2","1","1","3","2","1") = "4"
    & skf21("5","5","2","1","1","3","3","1") = "4"
    & skf21("5","5","2","1","1","3","4","1") = "4"
    & skf21("5","5","2","1","1","3","5","1") = "4"
    & skf21("5","5","2","1","1","3","6","1") = "5"
    & skf21("5","5","2","1","1","3","7","1") = "6"
    & skf21("5","5","2","1","1","4","1","1") = "4"
    & skf21("5","5","2","1","1","4","2","1") = "4"
    & skf21("5","5","2","1","1","4","3","1") = "4"
    & skf21("5","5","2","1","1","4","4","1") = "4"
    & skf21("5","5","2","1","1","4","5","1") = "4"
    & skf21("5","5","2","1","1","4","6","1") = "5"
    & skf21("5","5","2","1","1","4","7","1") = "6"
    & skf21("5","5","2","1","1","5","1","1") = "4"
    & skf21("5","5","2","1","1","5","2","1") = "4"
    & skf21("5","5","2","1","1","5","3","1") = "4"
    & skf21("5","5","2","1","1","5","4","1") = "4"
    & skf21("5","5","2","1","1","5","5","1") = "4"
    & skf21("5","5","2","1","1","5","6","1") = "5"
    & skf21("5","5","2","1","1","5","7","1") = "6"
    & skf21("5","5","2","1","1","6","1","1") = "5"
    & skf21("5","5","2","1","1","6","2","1") = "5"
    & skf21("5","5","2","1","1","6","3","1") = "5"
    & skf21("5","5","2","1","1","6","4","1") = "5"
    & skf21("5","5","2","1","1","6","5","1") = "5"
    & skf21("5","5","2","1","1","6","6","1") = "5"
    & skf21("5","5","2","1","1","6","7","1") = "6"
    & skf21("5","5","2","1","1","7","1","1") = "6"
    & skf21("5","5","2","1","1","7","2","1") = "6"
    & skf21("5","5","2","1","1","7","3","1") = "6"
    & skf21("5","5","2","1","1","7","4","1") = "6"
    & skf21("5","5","2","1","1","7","5","1") = "6"
    & skf21("5","5","2","1","1","7","6","1") = "6"
    & skf21("5","5","2","1","1","7","7","1") = "6"
    & skf21("5","5","2","1","2","1","1","1") = "4"
    & skf21("5","5","2","1","2","1","2","1") = "4"
    & skf21("5","5","2","1","2","1","3","1") = "4"
    & skf21("5","5","2","1","2","1","4","1") = "4"
    & skf21("5","5","2","1","2","1","5","1") = "4"
    & skf21("5","5","2","1","2","1","6","1") = "5"
    & skf21("5","5","2","1","2","1","7","1") = "6"
    & skf21("5","5","2","1","2","2","1","1") = "4"
    & skf21("5","5","2","1","2","2","2","1") = "4"
    & skf21("5","5","2","1","2","2","3","1") = "4"
    & skf21("5","5","2","1","2","2","4","1") = "4"
    & skf21("5","5","2","1","2","2","5","1") = "4"
    & skf21("5","5","2","1","2","2","6","1") = "5"
    & skf21("5","5","2","1","2","2","7","1") = "6"
    & skf21("5","5","2","1","2","3","1","1") = "4"
    & skf21("5","5","2","1","2","3","2","1") = "4"
    & skf21("5","5","2","1","2","3","3","1") = "4"
    & skf21("5","5","2","1","2","3","4","1") = "4"
    & skf21("5","5","2","1","2","3","5","1") = "4"
    & skf21("5","5","2","1","2","3","6","1") = "5"
    & skf21("5","5","2","1","2","3","7","1") = "6"
    & skf21("5","5","2","1","2","4","1","1") = "4"
    & skf21("5","5","2","1","2","4","2","1") = "4"
    & skf21("5","5","2","1","2","4","3","1") = "4"
    & skf21("5","5","2","1","2","4","4","1") = "4"
    & skf21("5","5","2","1","2","4","5","1") = "4"
    & skf21("5","5","2","1","2","4","6","1") = "5"
    & skf21("5","5","2","1","2","4","7","1") = "6"
    & skf21("5","5","2","1","2","5","1","1") = "4"
    & skf21("5","5","2","1","2","5","2","1") = "4"
    & skf21("5","5","2","1","2","5","3","1") = "4"
    & skf21("5","5","2","1","2","5","4","1") = "4"
    & skf21("5","5","2","1","2","5","5","1") = "4"
    & skf21("5","5","2","1","2","5","6","1") = "5"
    & skf21("5","5","2","1","2","5","7","1") = "6"
    & skf21("5","5","2","1","2","6","1","1") = "5"
    & skf21("5","5","2","1","2","6","2","1") = "5"
    & skf21("5","5","2","1","2","6","3","1") = "5"
    & skf21("5","5","2","1","2","6","4","1") = "5"
    & skf21("5","5","2","1","2","6","5","1") = "5"
    & skf21("5","5","2","1","2","6","6","1") = "5"
    & skf21("5","5","2","1","2","6","7","1") = "6"
    & skf21("5","5","2","1","2","7","1","1") = "6"
    & skf21("5","5","2","1","2","7","2","1") = "6"
    & skf21("5","5","2","1","2","7","3","1") = "6"
    & skf21("5","5","2","1","2","7","4","1") = "6"
    & skf21("5","5","2","1","2","7","5","1") = "6"
    & skf21("5","5","2","1","2","7","6","1") = "6"
    & skf21("5","5","2","1","2","7","7","1") = "6"
    & skf21("5","5","2","1","3","1","1","1") = "4"
    & skf21("5","5","2","1","3","1","2","1") = "4"
    & skf21("5","5","2","1","3","1","3","1") = "4"
    & skf21("5","5","2","1","3","1","4","1") = "4"
    & skf21("5","5","2","1","3","1","5","1") = "4"
    & skf21("5","5","2","1","3","1","6","1") = "5"
    & skf21("5","5","2","1","3","1","7","1") = "6"
    & skf21("5","5","2","1","3","2","1","1") = "4"
    & skf21("5","5","2","1","3","2","2","1") = "4"
    & skf21("5","5","2","1","3","2","3","1") = "4"
    & skf21("5","5","2","1","3","2","4","1") = "4"
    & skf21("5","5","2","1","3","2","5","1") = "4"
    & skf21("5","5","2","1","3","2","6","1") = "5"
    & skf21("5","5","2","1","3","2","7","1") = "6"
    & skf21("5","5","2","1","3","3","1","1") = "4"
    & skf21("5","5","2","1","3","3","2","1") = "4"
    & skf21("5","5","2","1","3","3","3","1") = "4"
    & skf21("5","5","2","1","3","3","4","1") = "4"
    & skf21("5","5","2","1","3","3","5","1") = "4"
    & skf21("5","5","2","1","3","3","6","1") = "5"
    & skf21("5","5","2","1","3","3","7","1") = "6"
    & skf21("5","5","2","1","3","4","1","1") = "4"
    & skf21("5","5","2","1","3","4","2","1") = "4"
    & skf21("5","5","2","1","3","4","3","1") = "4"
    & skf21("5","5","2","1","3","4","4","1") = "4"
    & skf21("5","5","2","1","3","4","5","1") = "4"
    & skf21("5","5","2","1","3","4","6","1") = "5"
    & skf21("5","5","2","1","3","4","7","1") = "6"
    & skf21("5","5","2","1","3","5","1","1") = "4"
    & skf21("5","5","2","1","3","5","2","1") = "4"
    & skf21("5","5","2","1","3","5","3","1") = "4"
    & skf21("5","5","2","1","3","5","4","1") = "4"
    & skf21("5","5","2","1","3","5","5","1") = "4"
    & skf21("5","5","2","1","3","5","6","1") = "5"
    & skf21("5","5","2","1","3","5","7","1") = "6"
    & skf21("5","5","2","1","3","6","1","1") = "5"
    & skf21("5","5","2","1","3","6","2","1") = "5"
    & skf21("5","5","2","1","3","6","3","1") = "5"
    & skf21("5","5","2","1","3","6","4","1") = "5"
    & skf21("5","5","2","1","3","6","5","1") = "5"
    & skf21("5","5","2","1","3","6","6","1") = "5"
    & skf21("5","5","2","1","3","6","7","1") = "6"
    & skf21("5","5","2","1","3","7","1","1") = "6"
    & skf21("5","5","2","1","3","7","2","1") = "6"
    & skf21("5","5","2","1","3","7","3","1") = "6"
    & skf21("5","5","2","1","3","7","4","1") = "6"
    & skf21("5","5","2","1","3","7","5","1") = "6"
    & skf21("5","5","2","1","3","7","6","1") = "6"
    & skf21("5","5","2","1","3","7","7","1") = "6"
    & skf21("5","5","2","1","4","1","1","1") = "4"
    & skf21("5","5","2","1","4","1","2","1") = "4"
    & skf21("5","5","2","1","4","1","3","1") = "4"
    & skf21("5","5","2","1","4","1","4","1") = "4"
    & skf21("5","5","2","1","4","1","5","1") = "4"
    & skf21("5","5","2","1","4","1","6","1") = "5"
    & skf21("5","5","2","1","4","1","7","1") = "6"
    & skf21("5","5","2","1","4","2","1","1") = "4"
    & skf21("5","5","2","1","4","2","2","1") = "4"
    & skf21("5","5","2","1","4","2","3","1") = "4"
    & skf21("5","5","2","1","4","2","4","1") = "4"
    & skf21("5","5","2","1","4","2","5","1") = "4"
    & skf21("5","5","2","1","4","2","6","1") = "5"
    & skf21("5","5","2","1","4","2","7","1") = "6"
    & skf21("5","5","2","1","4","3","1","1") = "4"
    & skf21("5","5","2","1","4","3","2","1") = "4"
    & skf21("5","5","2","1","4","3","3","1") = "4"
    & skf21("5","5","2","1","4","3","4","1") = "4"
    & skf21("5","5","2","1","4","3","5","1") = "4"
    & skf21("5","5","2","1","4","3","6","1") = "5"
    & skf21("5","5","2","1","4","3","7","1") = "6"
    & skf21("5","5","2","1","4","4","1","1") = "4"
    & skf21("5","5","2","1","4","4","2","1") = "4"
    & skf21("5","5","2","1","4","4","3","1") = "4"
    & skf21("5","5","2","1","4","4","4","1") = "4"
    & skf21("5","5","2","1","4","4","5","1") = "4"
    & skf21("5","5","2","1","4","4","6","1") = "5"
    & skf21("5","5","2","1","4","4","7","1") = "6"
    & skf21("5","5","2","1","4","5","1","1") = "4"
    & skf21("5","5","2","1","4","5","2","1") = "4"
    & skf21("5","5","2","1","4","5","3","1") = "4"
    & skf21("5","5","2","1","4","5","4","1") = "4"
    & skf21("5","5","2","1","4","5","5","1") = "4"
    & skf21("5","5","2","1","4","5","6","1") = "5"
    & skf21("5","5","2","1","4","5","7","1") = "6"
    & skf21("5","5","2","1","4","6","1","1") = "5"
    & skf21("5","5","2","1","4","6","2","1") = "5"
    & skf21("5","5","2","1","4","6","3","1") = "5"
    & skf21("5","5","2","1","4","6","4","1") = "5"
    & skf21("5","5","2","1","4","6","5","1") = "5"
    & skf21("5","5","2","1","4","6","6","1") = "5"
    & skf21("5","5","2","1","4","6","7","1") = "6"
    & skf21("5","5","2","1","4","7","1","1") = "6"
    & skf21("5","5","2","1","4","7","2","1") = "6"
    & skf21("5","5","2","1","4","7","3","1") = "6"
    & skf21("5","5","2","1","4","7","4","1") = "6"
    & skf21("5","5","2","1","4","7","5","1") = "6"
    & skf21("5","5","2","1","4","7","6","1") = "6"
    & skf21("5","5","2","1","4","7","7","1") = "6"
    & skf21("5","5","2","1","5","1","1","1") = "4"
    & skf21("5","5","2","1","5","1","2","1") = "4"
    & skf21("5","5","2","1","5","1","3","1") = "4"
    & skf21("5","5","2","1","5","1","4","1") = "4"
    & skf21("5","5","2","1","5","1","5","1") = "4"
    & skf21("5","5","2","1","5","1","6","1") = "5"
    & skf21("5","5","2","1","5","1","7","1") = "6"
    & skf21("5","5","2","1","5","2","1","1") = "4"
    & skf21("5","5","2","1","5","2","2","1") = "4"
    & skf21("5","5","2","1","5","2","3","1") = "4"
    & skf21("5","5","2","1","5","2","4","1") = "4"
    & skf21("5","5","2","1","5","2","5","1") = "4"
    & skf21("5","5","2","1","5","2","6","1") = "5"
    & skf21("5","5","2","1","5","2","7","1") = "6"
    & skf21("5","5","2","1","5","3","1","1") = "4"
    & skf21("5","5","2","1","5","3","2","1") = "4"
    & skf21("5","5","2","1","5","3","3","1") = "4"
    & skf21("5","5","2","1","5","3","4","1") = "4"
    & skf21("5","5","2","1","5","3","5","1") = "4"
    & skf21("5","5","2","1","5","3","6","1") = "5"
    & skf21("5","5","2","1","5","3","7","1") = "6"
    & skf21("5","5","2","1","5","4","1","1") = "4"
    & skf21("5","5","2","1","5","4","2","1") = "4"
    & skf21("5","5","2","1","5","4","3","1") = "4"
    & skf21("5","5","2","1","5","4","4","1") = "4"
    & skf21("5","5","2","1","5","4","5","1") = "4"
    & skf21("5","5","2","1","5","4","6","1") = "5"
    & skf21("5","5","2","1","5","4","7","1") = "6"
    & skf21("5","5","2","1","5","5","1","1") = "4"
    & skf21("5","5","2","1","5","5","2","1") = "4"
    & skf21("5","5","2","1","5","5","3","1") = "4"
    & skf21("5","5","2","1","5","5","4","1") = "4"
    & skf21("5","5","2","1","5","5","5","1") = "4"
    & skf21("5","5","2","1","5","5","6","1") = "5"
    & skf21("5","5","2","1","5","5","7","1") = "6"
    & skf21("5","5","2","1","5","6","1","1") = "5"
    & skf21("5","5","2","1","5","6","2","1") = "5"
    & skf21("5","5","2","1","5","6","3","1") = "5"
    & skf21("5","5","2","1","5","6","4","1") = "5"
    & skf21("5","5","2","1","5","6","5","1") = "5"
    & skf21("5","5","2","1","5","6","6","1") = "5"
    & skf21("5","5","2","1","5","6","7","1") = "6"
    & skf21("5","5","2","1","5","7","1","1") = "6"
    & skf21("5","5","2","1","5","7","2","1") = "6"
    & skf21("5","5","2","1","5","7","3","1") = "6"
    & skf21("5","5","2","1","5","7","4","1") = "6"
    & skf21("5","5","2","1","5","7","5","1") = "6"
    & skf21("5","5","2","1","5","7","6","1") = "6"
    & skf21("5","5","2","1","5","7","7","1") = "6"
    & skf21("5","5","2","1","6","1","1","1") = "5"
    & skf21("5","5","2","1","6","1","2","1") = "5"
    & skf21("5","5","2","1","6","1","3","1") = "5"
    & skf21("5","5","2","1","6","1","4","1") = "5"
    & skf21("5","5","2","1","6","1","5","1") = "5"
    & skf21("5","5","2","1","6","1","6","1") = "5"
    & skf21("5","5","2","1","6","1","7","1") = "6"
    & skf21("5","5","2","1","6","2","1","1") = "5"
    & skf21("5","5","2","1","6","2","2","1") = "5"
    & skf21("5","5","2","1","6","2","3","1") = "5"
    & skf21("5","5","2","1","6","2","4","1") = "5"
    & skf21("5","5","2","1","6","2","5","1") = "5"
    & skf21("5","5","2","1","6","2","6","1") = "5"
    & skf21("5","5","2","1","6","2","7","1") = "6"
    & skf21("5","5","2","1","6","3","1","1") = "5"
    & skf21("5","5","2","1","6","3","2","1") = "5"
    & skf21("5","5","2","1","6","3","3","1") = "5"
    & skf21("5","5","2","1","6","3","4","1") = "5"
    & skf21("5","5","2","1","6","3","5","1") = "5"
    & skf21("5","5","2","1","6","3","6","1") = "5"
    & skf21("5","5","2","1","6","3","7","1") = "6"
    & skf21("5","5","2","1","6","4","1","1") = "5"
    & skf21("5","5","2","1","6","4","2","1") = "5"
    & skf21("5","5","2","1","6","4","3","1") = "5"
    & skf21("5","5","2","1","6","4","4","1") = "5"
    & skf21("5","5","2","1","6","4","5","1") = "5"
    & skf21("5","5","2","1","6","4","6","1") = "5"
    & skf21("5","5","2","1","6","4","7","1") = "6"
    & skf21("5","5","2","1","6","5","1","1") = "5"
    & skf21("5","5","2","1","6","5","2","1") = "5"
    & skf21("5","5","2","1","6","5","3","1") = "5"
    & skf21("5","5","2","1","6","5","4","1") = "5"
    & skf21("5","5","2","1","6","5","5","1") = "5"
    & skf21("5","5","2","1","6","5","6","1") = "5"
    & skf21("5","5","2","1","6","5","7","1") = "6"
    & skf21("5","5","2","1","6","6","1","1") = "5"
    & skf21("5","5","2","1","6","6","2","1") = "5"
    & skf21("5","5","2","1","6","6","3","1") = "5"
    & skf21("5","5","2","1","6","6","4","1") = "5"
    & skf21("5","5","2","1","6","6","5","1") = "5"
    & skf21("5","5","2","1","6","6","6","1") = "5"
    & skf21("5","5","2","1","6","6","7","1") = "6"
    & skf21("5","5","2","1","6","7","1","1") = "6"
    & skf21("5","5","2","1","6","7","2","1") = "6"
    & skf21("5","5","2","1","6","7","3","1") = "6"
    & skf21("5","5","2","1","6","7","4","1") = "6"
    & skf21("5","5","2","1","6","7","5","1") = "6"
    & skf21("5","5","2","1","6","7","6","1") = "6"
    & skf21("5","5","2","1","6","7","7","1") = "6"
    & skf21("5","5","2","1","7","1","1","1") = "6"
    & skf21("5","5","2","1","7","1","2","1") = "6"
    & skf21("5","5","2","1","7","1","3","1") = "6"
    & skf21("5","5","2","1","7","1","4","1") = "6"
    & skf21("5","5","2","1","7","1","5","1") = "6"
    & skf21("5","5","2","1","7","1","6","1") = "6"
    & skf21("5","5","2","1","7","1","7","1") = "6"
    & skf21("5","5","2","1","7","2","1","1") = "6"
    & skf21("5","5","2","1","7","2","2","1") = "6"
    & skf21("5","5","2","1","7","2","3","1") = "6"
    & skf21("5","5","2","1","7","2","4","1") = "6"
    & skf21("5","5","2","1","7","2","5","1") = "6"
    & skf21("5","5","2","1","7","2","6","1") = "6"
    & skf21("5","5","2","1","7","2","7","1") = "6"
    & skf21("5","5","2","1","7","3","1","1") = "6"
    & skf21("5","5","2","1","7","3","2","1") = "6"
    & skf21("5","5","2","1","7","3","3","1") = "6"
    & skf21("5","5","2","1","7","3","4","1") = "6"
    & skf21("5","5","2","1","7","3","5","1") = "6"
    & skf21("5","5","2","1","7","3","6","1") = "6"
    & skf21("5","5","2","1","7","3","7","1") = "6"
    & skf21("5","5","2","1","7","4","1","1") = "6"
    & skf21("5","5","2","1","7","4","2","1") = "6"
    & skf21("5","5","2","1","7","4","3","1") = "6"
    & skf21("5","5","2","1","7","4","4","1") = "6"
    & skf21("5","5","2","1","7","4","5","1") = "6"
    & skf21("5","5","2","1","7","4","6","1") = "6"
    & skf21("5","5","2","1","7","4","7","1") = "6"
    & skf21("5","5","2","1","7","5","1","1") = "6"
    & skf21("5","5","2","1","7","5","2","1") = "6"
    & skf21("5","5","2","1","7","5","3","1") = "6"
    & skf21("5","5","2","1","7","5","4","1") = "6"
    & skf21("5","5","2","1","7","5","5","1") = "6"
    & skf21("5","5","2","1","7","5","6","1") = "6"
    & skf21("5","5","2","1","7","5","7","1") = "6"
    & skf21("5","5","2","1","7","6","1","1") = "6"
    & skf21("5","5","2","1","7","6","2","1") = "6"
    & skf21("5","5","2","1","7","6","3","1") = "6"
    & skf21("5","5","2","1","7","6","4","1") = "6"
    & skf21("5","5","2","1","7","6","5","1") = "6"
    & skf21("5","5","2","1","7","6","6","1") = "6"
    & skf21("5","5","2","1","7","6","7","1") = "6"
    & skf21("5","5","2","1","7","7","1","1") = "6"
    & skf21("5","5","2","1","7","7","2","1") = "6"
    & skf21("5","5","2","1","7","7","3","1") = "6"
    & skf21("5","5","2","1","7","7","4","1") = "6"
    & skf21("5","5","2","1","7","7","5","1") = "6"
    & skf21("5","5","2","1","7","7","6","1") = "6"
    & skf21("5","5","2","1","7","7","7","1") = "6"
    & skf21("5","5","2","2","1","1","1","1") = "4"
    & skf21("5","5","2","2","1","1","2","1") = "4"
    & skf21("5","5","2","2","1","1","3","1") = "4"
    & skf21("5","5","2","2","1","1","4","1") = "4"
    & skf21("5","5","2","2","1","1","5","1") = "4"
    & skf21("5","5","2","2","1","1","6","1") = "5"
    & skf21("5","5","2","2","1","1","7","1") = "6"
    & skf21("5","5","2","2","1","2","1","1") = "4"
    & skf21("5","5","2","2","1","2","2","1") = "4"
    & skf21("5","5","2","2","1","2","3","1") = "4"
    & skf21("5","5","2","2","1","2","4","1") = "4"
    & skf21("5","5","2","2","1","2","5","1") = "4"
    & skf21("5","5","2","2","1","2","6","1") = "5"
    & skf21("5","5","2","2","1","2","7","1") = "6"
    & skf21("5","5","2","2","1","3","1","1") = "4"
    & skf21("5","5","2","2","1","3","2","1") = "4"
    & skf21("5","5","2","2","1","3","3","1") = "4"
    & skf21("5","5","2","2","1","3","4","1") = "4"
    & skf21("5","5","2","2","1","3","5","1") = "4"
    & skf21("5","5","2","2","1","3","6","1") = "5"
    & skf21("5","5","2","2","1","3","7","1") = "6"
    & skf21("5","5","2","2","1","4","1","1") = "4"
    & skf21("5","5","2","2","1","4","2","1") = "4"
    & skf21("5","5","2","2","1","4","3","1") = "4"
    & skf21("5","5","2","2","1","4","4","1") = "4"
    & skf21("5","5","2","2","1","4","5","1") = "4"
    & skf21("5","5","2","2","1","4","6","1") = "5"
    & skf21("5","5","2","2","1","4","7","1") = "6"
    & skf21("5","5","2","2","1","5","1","1") = "4"
    & skf21("5","5","2","2","1","5","2","1") = "4"
    & skf21("5","5","2","2","1","5","3","1") = "4"
    & skf21("5","5","2","2","1","5","4","1") = "4"
    & skf21("5","5","2","2","1","5","5","1") = "4"
    & skf21("5","5","2","2","1","5","6","1") = "5"
    & skf21("5","5","2","2","1","5","7","1") = "6"
    & skf21("5","5","2","2","1","6","1","1") = "5"
    & skf21("5","5","2","2","1","6","2","1") = "5"
    & skf21("5","5","2","2","1","6","3","1") = "5"
    & skf21("5","5","2","2","1","6","4","1") = "5"
    & skf21("5","5","2","2","1","6","5","1") = "5"
    & skf21("5","5","2","2","1","6","6","1") = "5"
    & skf21("5","5","2","2","1","6","7","1") = "6"
    & skf21("5","5","2","2","1","7","1","1") = "6"
    & skf21("5","5","2","2","1","7","2","1") = "6"
    & skf21("5","5","2","2","1","7","3","1") = "6"
    & skf21("5","5","2","2","1","7","4","1") = "6"
    & skf21("5","5","2","2","1","7","5","1") = "6"
    & skf21("5","5","2","2","1","7","6","1") = "6"
    & skf21("5","5","2","2","1","7","7","1") = "6"
    & skf21("5","5","2","2","2","1","1","1") = "4"
    & skf21("5","5","2","2","2","1","2","1") = "4"
    & skf21("5","5","2","2","2","1","3","1") = "4"
    & skf21("5","5","2","2","2","1","4","1") = "4"
    & skf21("5","5","2","2","2","1","5","1") = "4"
    & skf21("5","5","2","2","2","1","6","1") = "5"
    & skf21("5","5","2","2","2","1","7","1") = "6"
    & skf21("5","5","2","2","2","2","1","1") = "4"
    & skf21("5","5","2","2","2","2","2","1") = "4"
    & skf21("5","5","2","2","2","2","3","1") = "4"
    & skf21("5","5","2","2","2","2","4","1") = "4"
    & skf21("5","5","2","2","2","2","5","1") = "4"
    & skf21("5","5","2","2","2","2","6","1") = "5"
    & skf21("5","5","2","2","2","2","7","1") = "6"
    & skf21("5","5","2","2","2","3","1","1") = "4"
    & skf21("5","5","2","2","2","3","2","1") = "4"
    & skf21("5","5","2","2","2","3","3","1") = "4"
    & skf21("5","5","2","2","2","3","4","1") = "4"
    & skf21("5","5","2","2","2","3","5","1") = "4"
    & skf21("5","5","2","2","2","3","6","1") = "5"
    & skf21("5","5","2","2","2","3","7","1") = "6"
    & skf21("5","5","2","2","2","4","1","1") = "4"
    & skf21("5","5","2","2","2","4","2","1") = "4"
    & skf21("5","5","2","2","2","4","3","1") = "4"
    & skf21("5","5","2","2","2","4","4","1") = "4"
    & skf21("5","5","2","2","2","4","5","1") = "4"
    & skf21("5","5","2","2","2","4","6","1") = "5"
    & skf21("5","5","2","2","2","4","7","1") = "6"
    & skf21("5","5","2","2","2","5","1","1") = "4"
    & skf21("5","5","2","2","2","5","2","1") = "4"
    & skf21("5","5","2","2","2","5","3","1") = "4"
    & skf21("5","5","2","2","2","5","4","1") = "4"
    & skf21("5","5","2","2","2","5","5","1") = "4"
    & skf21("5","5","2","2","2","5","6","1") = "5"
    & skf21("5","5","2","2","2","5","7","1") = "6"
    & skf21("5","5","2","2","2","6","1","1") = "5"
    & skf21("5","5","2","2","2","6","2","1") = "5"
    & skf21("5","5","2","2","2","6","3","1") = "5"
    & skf21("5","5","2","2","2","6","4","1") = "5"
    & skf21("5","5","2","2","2","6","5","1") = "5"
    & skf21("5","5","2","2","2","6","6","1") = "5"
    & skf21("5","5","2","2","2","6","7","1") = "6"
    & skf21("5","5","2","2","2","7","1","1") = "6"
    & skf21("5","5","2","2","2","7","2","1") = "6"
    & skf21("5","5","2","2","2","7","3","1") = "6"
    & skf21("5","5","2","2","2","7","4","1") = "6"
    & skf21("5","5","2","2","2","7","5","1") = "6"
    & skf21("5","5","2","2","2","7","6","1") = "6"
    & skf21("5","5","2","2","2","7","7","1") = "6"
    & skf21("5","5","2","2","3","1","1","1") = "4"
    & skf21("5","5","2","2","3","1","2","1") = "4"
    & skf21("5","5","2","2","3","1","3","1") = "4"
    & skf21("5","5","2","2","3","1","4","1") = "4"
    & skf21("5","5","2","2","3","1","5","1") = "4"
    & skf21("5","5","2","2","3","1","6","1") = "5"
    & skf21("5","5","2","2","3","1","7","1") = "6"
    & skf21("5","5","2","2","3","2","1","1") = "4"
    & skf21("5","5","2","2","3","2","2","1") = "4"
    & skf21("5","5","2","2","3","2","3","1") = "4"
    & skf21("5","5","2","2","3","2","4","1") = "4"
    & skf21("5","5","2","2","3","2","5","1") = "4"
    & skf21("5","5","2","2","3","2","6","1") = "5"
    & skf21("5","5","2","2","3","2","7","1") = "6"
    & skf21("5","5","2","2","3","3","1","1") = "4"
    & skf21("5","5","2","2","3","3","2","1") = "4"
    & skf21("5","5","2","2","3","3","3","1") = "4"
    & skf21("5","5","2","2","3","3","4","1") = "4"
    & skf21("5","5","2","2","3","3","5","1") = "4"
    & skf21("5","5","2","2","3","3","6","1") = "5"
    & skf21("5","5","2","2","3","3","7","1") = "6"
    & skf21("5","5","2","2","3","4","1","1") = "4"
    & skf21("5","5","2","2","3","4","2","1") = "4"
    & skf21("5","5","2","2","3","4","3","1") = "4"
    & skf21("5","5","2","2","3","4","4","1") = "4"
    & skf21("5","5","2","2","3","4","5","1") = "4"
    & skf21("5","5","2","2","3","4","6","1") = "5"
    & skf21("5","5","2","2","3","4","7","1") = "6"
    & skf21("5","5","2","2","3","5","1","1") = "4"
    & skf21("5","5","2","2","3","5","2","1") = "4"
    & skf21("5","5","2","2","3","5","3","1") = "4"
    & skf21("5","5","2","2","3","5","4","1") = "4"
    & skf21("5","5","2","2","3","5","5","1") = "4"
    & skf21("5","5","2","2","3","5","6","1") = "5"
    & skf21("5","5","2","2","3","5","7","1") = "6"
    & skf21("5","5","2","2","3","6","1","1") = "5"
    & skf21("5","5","2","2","3","6","2","1") = "5"
    & skf21("5","5","2","2","3","6","3","1") = "5"
    & skf21("5","5","2","2","3","6","4","1") = "5"
    & skf21("5","5","2","2","3","6","5","1") = "5"
    & skf21("5","5","2","2","3","6","6","1") = "5"
    & skf21("5","5","2","2","3","6","7","1") = "6"
    & skf21("5","5","2","2","3","7","1","1") = "6"
    & skf21("5","5","2","2","3","7","2","1") = "6"
    & skf21("5","5","2","2","3","7","3","1") = "6"
    & skf21("5","5","2","2","3","7","4","1") = "6"
    & skf21("5","5","2","2","3","7","5","1") = "6"
    & skf21("5","5","2","2","3","7","6","1") = "6"
    & skf21("5","5","2","2","3","7","7","1") = "6"
    & skf21("5","5","2","2","4","1","1","1") = "4"
    & skf21("5","5","2","2","4","1","2","1") = "4"
    & skf21("5","5","2","2","4","1","3","1") = "4"
    & skf21("5","5","2","2","4","1","4","1") = "4"
    & skf21("5","5","2","2","4","1","5","1") = "4"
    & skf21("5","5","2","2","4","1","6","1") = "5"
    & skf21("5","5","2","2","4","1","7","1") = "6"
    & skf21("5","5","2","2","4","2","1","1") = "4"
    & skf21("5","5","2","2","4","2","2","1") = "4"
    & skf21("5","5","2","2","4","2","3","1") = "4"
    & skf21("5","5","2","2","4","2","4","1") = "4"
    & skf21("5","5","2","2","4","2","5","1") = "4"
    & skf21("5","5","2","2","4","2","6","1") = "5"
    & skf21("5","5","2","2","4","2","7","1") = "6"
    & skf21("5","5","2","2","4","3","1","1") = "4"
    & skf21("5","5","2","2","4","3","2","1") = "4"
    & skf21("5","5","2","2","4","3","3","1") = "4"
    & skf21("5","5","2","2","4","3","4","1") = "4"
    & skf21("5","5","2","2","4","3","5","1") = "4"
    & skf21("5","5","2","2","4","3","6","1") = "5"
    & skf21("5","5","2","2","4","3","7","1") = "6"
    & skf21("5","5","2","2","4","4","1","1") = "4"
    & skf21("5","5","2","2","4","4","2","1") = "4"
    & skf21("5","5","2","2","4","4","3","1") = "4"
    & skf21("5","5","2","2","4","4","4","1") = "4"
    & skf21("5","5","2","2","4","4","5","1") = "4"
    & skf21("5","5","2","2","4","4","6","1") = "5"
    & skf21("5","5","2","2","4","4","7","1") = "6"
    & skf21("5","5","2","2","4","5","1","1") = "4"
    & skf21("5","5","2","2","4","5","2","1") = "4"
    & skf21("5","5","2","2","4","5","3","1") = "4"
    & skf21("5","5","2","2","4","5","4","1") = "4"
    & skf21("5","5","2","2","4","5","5","1") = "4"
    & skf21("5","5","2","2","4","5","6","1") = "5"
    & skf21("5","5","2","2","4","5","7","1") = "6"
    & skf21("5","5","2","2","4","6","1","1") = "5"
    & skf21("5","5","2","2","4","6","2","1") = "5"
    & skf21("5","5","2","2","4","6","3","1") = "5"
    & skf21("5","5","2","2","4","6","4","1") = "5"
    & skf21("5","5","2","2","4","6","5","1") = "5"
    & skf21("5","5","2","2","4","6","6","1") = "5"
    & skf21("5","5","2","2","4","6","7","1") = "6"
    & skf21("5","5","2","2","4","7","1","1") = "6"
    & skf21("5","5","2","2","4","7","2","1") = "6"
    & skf21("5","5","2","2","4","7","3","1") = "6"
    & skf21("5","5","2","2","4","7","4","1") = "6"
    & skf21("5","5","2","2","4","7","5","1") = "6"
    & skf21("5","5","2","2","4","7","6","1") = "6"
    & skf21("5","5","2","2","4","7","7","1") = "6"
    & skf21("5","5","2","2","5","1","1","1") = "4"
    & skf21("5","5","2","2","5","1","2","1") = "4"
    & skf21("5","5","2","2","5","1","3","1") = "4"
    & skf21("5","5","2","2","5","1","4","1") = "4"
    & skf21("5","5","2","2","5","1","5","1") = "4"
    & skf21("5","5","2","2","5","1","6","1") = "5"
    & skf21("5","5","2","2","5","1","7","1") = "6"
    & skf21("5","5","2","2","5","2","1","1") = "4"
    & skf21("5","5","2","2","5","2","2","1") = "4"
    & skf21("5","5","2","2","5","2","3","1") = "4"
    & skf21("5","5","2","2","5","2","4","1") = "4"
    & skf21("5","5","2","2","5","2","5","1") = "4"
    & skf21("5","5","2","2","5","2","6","1") = "5"
    & skf21("5","5","2","2","5","2","7","1") = "6"
    & skf21("5","5","2","2","5","3","1","1") = "4"
    & skf21("5","5","2","2","5","3","2","1") = "4"
    & skf21("5","5","2","2","5","3","3","1") = "4"
    & skf21("5","5","2","2","5","3","4","1") = "4"
    & skf21("5","5","2","2","5","3","5","1") = "4"
    & skf21("5","5","2","2","5","3","6","1") = "5"
    & skf21("5","5","2","2","5","3","7","1") = "6"
    & skf21("5","5","2","2","5","4","1","1") = "4"
    & skf21("5","5","2","2","5","4","2","1") = "4"
    & skf21("5","5","2","2","5","4","3","1") = "4"
    & skf21("5","5","2","2","5","4","4","1") = "4"
    & skf21("5","5","2","2","5","4","5","1") = "4"
    & skf21("5","5","2","2","5","4","6","1") = "5"
    & skf21("5","5","2","2","5","4","7","1") = "6"
    & skf21("5","5","2","2","5","5","1","1") = "4"
    & skf21("5","5","2","2","5","5","2","1") = "4"
    & skf21("5","5","2","2","5","5","3","1") = "4"
    & skf21("5","5","2","2","5","5","4","1") = "4"
    & skf21("5","5","2","2","5","5","5","1") = "4"
    & skf21("5","5","2","2","5","5","6","1") = "5"
    & skf21("5","5","2","2","5","5","7","1") = "6"
    & skf21("5","5","2","2","5","6","1","1") = "5"
    & skf21("5","5","2","2","5","6","2","1") = "5"
    & skf21("5","5","2","2","5","6","3","1") = "5"
    & skf21("5","5","2","2","5","6","4","1") = "5"
    & skf21("5","5","2","2","5","6","5","1") = "5"
    & skf21("5","5","2","2","5","6","6","1") = "5"
    & skf21("5","5","2","2","5","6","7","1") = "6"
    & skf21("5","5","2","2","5","7","1","1") = "6"
    & skf21("5","5","2","2","5","7","2","1") = "6"
    & skf21("5","5","2","2","5","7","3","1") = "6"
    & skf21("5","5","2","2","5","7","4","1") = "6"
    & skf21("5","5","2","2","5","7","5","1") = "6"
    & skf21("5","5","2","2","5","7","6","1") = "6"
    & skf21("5","5","2","2","5","7","7","1") = "6"
    & skf21("5","5","2","2","6","1","1","1") = "5"
    & skf21("5","5","2","2","6","1","2","1") = "5"
    & skf21("5","5","2","2","6","1","3","1") = "5"
    & skf21("5","5","2","2","6","1","4","1") = "5"
    & skf21("5","5","2","2","6","1","5","1") = "5"
    & skf21("5","5","2","2","6","1","6","1") = "5"
    & skf21("5","5","2","2","6","1","7","1") = "6"
    & skf21("5","5","2","2","6","2","1","1") = "5"
    & skf21("5","5","2","2","6","2","2","1") = "5"
    & skf21("5","5","2","2","6","2","3","1") = "5"
    & skf21("5","5","2","2","6","2","4","1") = "5"
    & skf21("5","5","2","2","6","2","5","1") = "5"
    & skf21("5","5","2","2","6","2","6","1") = "5"
    & skf21("5","5","2","2","6","2","7","1") = "6"
    & skf21("5","5","2","2","6","3","1","1") = "5"
    & skf21("5","5","2","2","6","3","2","1") = "5"
    & skf21("5","5","2","2","6","3","3","1") = "5"
    & skf21("5","5","2","2","6","3","4","1") = "5"
    & skf21("5","5","2","2","6","3","5","1") = "5"
    & skf21("5","5","2","2","6","3","6","1") = "5"
    & skf21("5","5","2","2","6","3","7","1") = "6"
    & skf21("5","5","2","2","6","4","1","1") = "5"
    & skf21("5","5","2","2","6","4","2","1") = "5"
    & skf21("5","5","2","2","6","4","3","1") = "5"
    & skf21("5","5","2","2","6","4","4","1") = "5"
    & skf21("5","5","2","2","6","4","5","1") = "5"
    & skf21("5","5","2","2","6","4","6","1") = "5"
    & skf21("5","5","2","2","6","4","7","1") = "6"
    & skf21("5","5","2","2","6","5","1","1") = "5"
    & skf21("5","5","2","2","6","5","2","1") = "5"
    & skf21("5","5","2","2","6","5","3","1") = "5"
    & skf21("5","5","2","2","6","5","4","1") = "5"
    & skf21("5","5","2","2","6","5","5","1") = "5"
    & skf21("5","5","2","2","6","5","6","1") = "5"
    & skf21("5","5","2","2","6","5","7","1") = "6"
    & skf21("5","5","2","2","6","6","1","1") = "5"
    & skf21("5","5","2","2","6","6","2","1") = "5"
    & skf21("5","5","2","2","6","6","3","1") = "5"
    & skf21("5","5","2","2","6","6","4","1") = "5"
    & skf21("5","5","2","2","6","6","5","1") = "5"
    & skf21("5","5","2","2","6","6","6","1") = "5"
    & skf21("5","5","2","2","6","6","7","1") = "6"
    & skf21("5","5","2","2","6","7","1","1") = "6"
    & skf21("5","5","2","2","6","7","2","1") = "6"
    & skf21("5","5","2","2","6","7","3","1") = "6"
    & skf21("5","5","2","2","6","7","4","1") = "6"
    & skf21("5","5","2","2","6","7","5","1") = "6"
    & skf21("5","5","2","2","6","7","6","1") = "6"
    & skf21("5","5","2","2","6","7","7","1") = "6"
    & skf21("5","5","2","2","7","1","1","1") = "6"
    & skf21("5","5","2","2","7","1","2","1") = "6"
    & skf21("5","5","2","2","7","1","3","1") = "6"
    & skf21("5","5","2","2","7","1","4","1") = "6"
    & skf21("5","5","2","2","7","1","5","1") = "6"
    & skf21("5","5","2","2","7","1","6","1") = "6"
    & skf21("5","5","2","2","7","1","7","1") = "6"
    & skf21("5","5","2","2","7","2","1","1") = "6"
    & skf21("5","5","2","2","7","2","2","1") = "6"
    & skf21("5","5","2","2","7","2","3","1") = "6"
    & skf21("5","5","2","2","7","2","4","1") = "6"
    & skf21("5","5","2","2","7","2","5","1") = "6"
    & skf21("5","5","2","2","7","2","6","1") = "6"
    & skf21("5","5","2","2","7","2","7","1") = "6"
    & skf21("5","5","2","2","7","3","1","1") = "6"
    & skf21("5","5","2","2","7","3","2","1") = "6"
    & skf21("5","5","2","2","7","3","3","1") = "6"
    & skf21("5","5","2","2","7","3","4","1") = "6"
    & skf21("5","5","2","2","7","3","5","1") = "6"
    & skf21("5","5","2","2","7","3","6","1") = "6"
    & skf21("5","5","2","2","7","3","7","1") = "6"
    & skf21("5","5","2","2","7","4","1","1") = "6"
    & skf21("5","5","2","2","7","4","2","1") = "6"
    & skf21("5","5","2","2","7","4","3","1") = "6"
    & skf21("5","5","2","2","7","4","4","1") = "6"
    & skf21("5","5","2","2","7","4","5","1") = "6"
    & skf21("5","5","2","2","7","4","6","1") = "6"
    & skf21("5","5","2","2","7","4","7","1") = "6"
    & skf21("5","5","2","2","7","5","1","1") = "6"
    & skf21("5","5","2","2","7","5","2","1") = "6"
    & skf21("5","5","2","2","7","5","3","1") = "6"
    & skf21("5","5","2","2","7","5","4","1") = "6"
    & skf21("5","5","2","2","7","5","5","1") = "6"
    & skf21("5","5","2","2","7","5","6","1") = "6"
    & skf21("5","5","2","2","7","5","7","1") = "6"
    & skf21("5","5","2","2","7","6","1","1") = "6"
    & skf21("5","5","2","2","7","6","2","1") = "6"
    & skf21("5","5","2","2","7","6","3","1") = "6"
    & skf21("5","5","2","2","7","6","4","1") = "6"
    & skf21("5","5","2","2","7","6","5","1") = "6"
    & skf21("5","5","2","2","7","6","6","1") = "6"
    & skf21("5","5","2","2","7","6","7","1") = "6"
    & skf21("5","5","2","2","7","7","1","1") = "6"
    & skf21("5","5","2","2","7","7","2","1") = "6"
    & skf21("5","5","2","2","7","7","3","1") = "6"
    & skf21("5","5","2","2","7","7","4","1") = "6"
    & skf21("5","5","2","2","7","7","5","1") = "6"
    & skf21("5","5","2","2","7","7","6","1") = "6"
    & skf21("5","5","2","2","7","7","7","1") = "6"
    & skf21("5","5","2","3","1","1","1","1") = "4"
    & skf21("5","5","2","3","1","1","2","1") = "4"
    & skf21("5","5","2","3","1","1","3","1") = "4"
    & skf21("5","5","2","3","1","1","4","1") = "4"
    & skf21("5","5","2","3","1","1","5","1") = "4"
    & skf21("5","5","2","3","1","1","6","1") = "5"
    & skf21("5","5","2","3","1","1","7","1") = "6"
    & skf21("5","5","2","3","1","2","1","1") = "4"
    & skf21("5","5","2","3","1","2","2","1") = "4"
    & skf21("5","5","2","3","1","2","3","1") = "4"
    & skf21("5","5","2","3","1","2","4","1") = "4"
    & skf21("5","5","2","3","1","2","5","1") = "4"
    & skf21("5","5","2","3","1","2","6","1") = "5"
    & skf21("5","5","2","3","1","2","7","1") = "6"
    & skf21("5","5","2","3","1","3","1","1") = "4"
    & skf21("5","5","2","3","1","3","2","1") = "4"
    & skf21("5","5","2","3","1","3","3","1") = "4"
    & skf21("5","5","2","3","1","3","4","1") = "4"
    & skf21("5","5","2","3","1","3","5","1") = "4"
    & skf21("5","5","2","3","1","3","6","1") = "5"
    & skf21("5","5","2","3","1","3","7","1") = "6"
    & skf21("5","5","2","3","1","4","1","1") = "4"
    & skf21("5","5","2","3","1","4","2","1") = "4"
    & skf21("5","5","2","3","1","4","3","1") = "4"
    & skf21("5","5","2","3","1","4","4","1") = "4"
    & skf21("5","5","2","3","1","4","5","1") = "4"
    & skf21("5","5","2","3","1","4","6","1") = "5"
    & skf21("5","5","2","3","1","4","7","1") = "6"
    & skf21("5","5","2","3","1","5","1","1") = "4"
    & skf21("5","5","2","3","1","5","2","1") = "4"
    & skf21("5","5","2","3","1","5","3","1") = "4"
    & skf21("5","5","2","3","1","5","4","1") = "4"
    & skf21("5","5","2","3","1","5","5","1") = "4"
    & skf21("5","5","2","3","1","5","6","1") = "5"
    & skf21("5","5","2","3","1","5","7","1") = "6"
    & skf21("5","5","2","3","1","6","1","1") = "5"
    & skf21("5","5","2","3","1","6","2","1") = "5"
    & skf21("5","5","2","3","1","6","3","1") = "5"
    & skf21("5","5","2","3","1","6","4","1") = "5"
    & skf21("5","5","2","3","1","6","5","1") = "5"
    & skf21("5","5","2","3","1","6","6","1") = "5"
    & skf21("5","5","2","3","1","6","7","1") = "6"
    & skf21("5","5","2","3","1","7","1","1") = "6"
    & skf21("5","5","2","3","1","7","2","1") = "6"
    & skf21("5","5","2","3","1","7","3","1") = "6"
    & skf21("5","5","2","3","1","7","4","1") = "6"
    & skf21("5","5","2","3","1","7","5","1") = "6"
    & skf21("5","5","2","3","1","7","6","1") = "6"
    & skf21("5","5","2","3","1","7","7","1") = "6"
    & skf21("5","5","2","3","2","1","1","1") = "4"
    & skf21("5","5","2","3","2","1","2","1") = "4"
    & skf21("5","5","2","3","2","1","3","1") = "4"
    & skf21("5","5","2","3","2","1","4","1") = "4"
    & skf21("5","5","2","3","2","1","5","1") = "4"
    & skf21("5","5","2","3","2","1","6","1") = "5"
    & skf21("5","5","2","3","2","1","7","1") = "6"
    & skf21("5","5","2","3","2","2","1","1") = "4"
    & skf21("5","5","2","3","2","2","2","1") = "4"
    & skf21("5","5","2","3","2","2","3","1") = "4"
    & skf21("5","5","2","3","2","2","4","1") = "4"
    & skf21("5","5","2","3","2","2","5","1") = "4"
    & skf21("5","5","2","3","2","2","6","1") = "5"
    & skf21("5","5","2","3","2","2","7","1") = "6"
    & skf21("5","5","2","3","2","3","1","1") = "4"
    & skf21("5","5","2","3","2","3","2","1") = "4"
    & skf21("5","5","2","3","2","3","3","1") = "4"
    & skf21("5","5","2","3","2","3","4","1") = "4"
    & skf21("5","5","2","3","2","3","5","1") = "4"
    & skf21("5","5","2","3","2","3","6","1") = "5"
    & skf21("5","5","2","3","2","3","7","1") = "6"
    & skf21("5","5","2","3","2","4","1","1") = "4"
    & skf21("5","5","2","3","2","4","2","1") = "4"
    & skf21("5","5","2","3","2","4","3","1") = "4"
    & skf21("5","5","2","3","2","4","4","1") = "4"
    & skf21("5","5","2","3","2","4","5","1") = "4"
    & skf21("5","5","2","3","2","4","6","1") = "5"
    & skf21("5","5","2","3","2","4","7","1") = "6"
    & skf21("5","5","2","3","2","5","1","1") = "4"
    & skf21("5","5","2","3","2","5","2","1") = "4"
    & skf21("5","5","2","3","2","5","3","1") = "4"
    & skf21("5","5","2","3","2","5","4","1") = "4"
    & skf21("5","5","2","3","2","5","5","1") = "4"
    & skf21("5","5","2","3","2","5","6","1") = "5"
    & skf21("5","5","2","3","2","5","7","1") = "6"
    & skf21("5","5","2","3","2","6","1","1") = "5"
    & skf21("5","5","2","3","2","6","2","1") = "5"
    & skf21("5","5","2","3","2","6","3","1") = "5"
    & skf21("5","5","2","3","2","6","4","1") = "5"
    & skf21("5","5","2","3","2","6","5","1") = "5"
    & skf21("5","5","2","3","2","6","6","1") = "5"
    & skf21("5","5","2","3","2","6","7","1") = "6"
    & skf21("5","5","2","3","2","7","1","1") = "6"
    & skf21("5","5","2","3","2","7","2","1") = "6"
    & skf21("5","5","2","3","2","7","3","1") = "6"
    & skf21("5","5","2","3","2","7","4","1") = "6"
    & skf21("5","5","2","3","2","7","5","1") = "6"
    & skf21("5","5","2","3","2","7","6","1") = "6"
    & skf21("5","5","2","3","2","7","7","1") = "6"
    & skf21("5","5","2","3","3","1","1","1") = "4"
    & skf21("5","5","2","3","3","1","2","1") = "4"
    & skf21("5","5","2","3","3","1","3","1") = "4"
    & skf21("5","5","2","3","3","1","4","1") = "4"
    & skf21("5","5","2","3","3","1","5","1") = "4"
    & skf21("5","5","2","3","3","1","6","1") = "5"
    & skf21("5","5","2","3","3","1","7","1") = "6"
    & skf21("5","5","2","3","3","2","1","1") = "4"
    & skf21("5","5","2","3","3","2","2","1") = "4"
    & skf21("5","5","2","3","3","2","3","1") = "4"
    & skf21("5","5","2","3","3","2","4","1") = "4"
    & skf21("5","5","2","3","3","2","5","1") = "4"
    & skf21("5","5","2","3","3","2","6","1") = "5"
    & skf21("5","5","2","3","3","2","7","1") = "6"
    & skf21("5","5","2","3","3","3","1","1") = "4"
    & skf21("5","5","2","3","3","3","2","1") = "4"
    & skf21("5","5","2","3","3","3","3","1") = "4"
    & skf21("5","5","2","3","3","3","4","1") = "4"
    & skf21("5","5","2","3","3","3","5","1") = "4"
    & skf21("5","5","2","3","3","3","6","1") = "5"
    & skf21("5","5","2","3","3","3","7","1") = "6"
    & skf21("5","5","2","3","3","4","1","1") = "4"
    & skf21("5","5","2","3","3","4","2","1") = "4"
    & skf21("5","5","2","3","3","4","3","1") = "4"
    & skf21("5","5","2","3","3","4","4","1") = "4"
    & skf21("5","5","2","3","3","4","5","1") = "4"
    & skf21("5","5","2","3","3","4","6","1") = "5"
    & skf21("5","5","2","3","3","4","7","1") = "6"
    & skf21("5","5","2","3","3","5","1","1") = "4"
    & skf21("5","5","2","3","3","5","2","1") = "4"
    & skf21("5","5","2","3","3","5","3","1") = "4"
    & skf21("5","5","2","3","3","5","4","1") = "4"
    & skf21("5","5","2","3","3","5","5","1") = "4"
    & skf21("5","5","2","3","3","5","6","1") = "5"
    & skf21("5","5","2","3","3","5","7","1") = "6"
    & skf21("5","5","2","3","3","6","1","1") = "5"
    & skf21("5","5","2","3","3","6","2","1") = "5"
    & skf21("5","5","2","3","3","6","3","1") = "5"
    & skf21("5","5","2","3","3","6","4","1") = "5"
    & skf21("5","5","2","3","3","6","5","1") = "5"
    & skf21("5","5","2","3","3","6","6","1") = "5"
    & skf21("5","5","2","3","3","6","7","1") = "6"
    & skf21("5","5","2","3","3","7","1","1") = "6"
    & skf21("5","5","2","3","3","7","2","1") = "6"
    & skf21("5","5","2","3","3","7","3","1") = "6"
    & skf21("5","5","2","3","3","7","4","1") = "6"
    & skf21("5","5","2","3","3","7","5","1") = "6"
    & skf21("5","5","2","3","3","7","6","1") = "6"
    & skf21("5","5","2","3","3","7","7","1") = "6"
    & skf21("5","5","2","3","4","1","1","1") = "4"
    & skf21("5","5","2","3","4","1","2","1") = "4"
    & skf21("5","5","2","3","4","1","3","1") = "4"
    & skf21("5","5","2","3","4","1","4","1") = "4"
    & skf21("5","5","2","3","4","1","5","1") = "4"
    & skf21("5","5","2","3","4","1","6","1") = "5"
    & skf21("5","5","2","3","4","1","7","1") = "6"
    & skf21("5","5","2","3","4","2","1","1") = "4"
    & skf21("5","5","2","3","4","2","2","1") = "4"
    & skf21("5","5","2","3","4","2","3","1") = "4"
    & skf21("5","5","2","3","4","2","4","1") = "4"
    & skf21("5","5","2","3","4","2","5","1") = "4"
    & skf21("5","5","2","3","4","2","6","1") = "5"
    & skf21("5","5","2","3","4","2","7","1") = "6"
    & skf21("5","5","2","3","4","3","1","1") = "4"
    & skf21("5","5","2","3","4","3","2","1") = "4"
    & skf21("5","5","2","3","4","3","3","1") = "4"
    & skf21("5","5","2","3","4","3","4","1") = "4"
    & skf21("5","5","2","3","4","3","5","1") = "4"
    & skf21("5","5","2","3","4","3","6","1") = "5"
    & skf21("5","5","2","3","4","3","7","1") = "6"
    & skf21("5","5","2","3","4","4","1","1") = "4"
    & skf21("5","5","2","3","4","4","2","1") = "4"
    & skf21("5","5","2","3","4","4","3","1") = "4"
    & skf21("5","5","2","3","4","4","4","1") = "4"
    & skf21("5","5","2","3","4","4","5","1") = "4"
    & skf21("5","5","2","3","4","4","6","1") = "5"
    & skf21("5","5","2","3","4","4","7","1") = "6"
    & skf21("5","5","2","3","4","5","1","1") = "4"
    & skf21("5","5","2","3","4","5","2","1") = "4"
    & skf21("5","5","2","3","4","5","3","1") = "4"
    & skf21("5","5","2","3","4","5","4","1") = "4"
    & skf21("5","5","2","3","4","5","5","1") = "4"
    & skf21("5","5","2","3","4","5","6","1") = "5"
    & skf21("5","5","2","3","4","5","7","1") = "6"
    & skf21("5","5","2","3","4","6","1","1") = "5"
    & skf21("5","5","2","3","4","6","2","1") = "5"
    & skf21("5","5","2","3","4","6","3","1") = "5"
    & skf21("5","5","2","3","4","6","4","1") = "5"
    & skf21("5","5","2","3","4","6","5","1") = "5"
    & skf21("5","5","2","3","4","6","6","1") = "5"
    & skf21("5","5","2","3","4","6","7","1") = "6"
    & skf21("5","5","2","3","4","7","1","1") = "6"
    & skf21("5","5","2","3","4","7","2","1") = "6"
    & skf21("5","5","2","3","4","7","3","1") = "6"
    & skf21("5","5","2","3","4","7","4","1") = "6"
    & skf21("5","5","2","3","4","7","5","1") = "6"
    & skf21("5","5","2","3","4","7","6","1") = "6"
    & skf21("5","5","2","3","4","7","7","1") = "6"
    & skf21("5","5","2","3","5","1","1","1") = "4"
    & skf21("5","5","2","3","5","1","2","1") = "4"
    & skf21("5","5","2","3","5","1","3","1") = "4"
    & skf21("5","5","2","3","5","1","4","1") = "4"
    & skf21("5","5","2","3","5","1","5","1") = "4"
    & skf21("5","5","2","3","5","1","6","1") = "5"
    & skf21("5","5","2","3","5","1","7","1") = "6"
    & skf21("5","5","2","3","5","2","1","1") = "4"
    & skf21("5","5","2","3","5","2","2","1") = "4"
    & skf21("5","5","2","3","5","2","3","1") = "4"
    & skf21("5","5","2","3","5","2","4","1") = "4"
    & skf21("5","5","2","3","5","2","5","1") = "4"
    & skf21("5","5","2","3","5","2","6","1") = "5"
    & skf21("5","5","2","3","5","2","7","1") = "6"
    & skf21("5","5","2","3","5","3","1","1") = "4"
    & skf21("5","5","2","3","5","3","2","1") = "4"
    & skf21("5","5","2","3","5","3","3","1") = "4"
    & skf21("5","5","2","3","5","3","4","1") = "4"
    & skf21("5","5","2","3","5","3","5","1") = "4"
    & skf21("5","5","2","3","5","3","6","1") = "5"
    & skf21("5","5","2","3","5","3","7","1") = "6"
    & skf21("5","5","2","3","5","4","1","1") = "4"
    & skf21("5","5","2","3","5","4","2","1") = "4"
    & skf21("5","5","2","3","5","4","3","1") = "4"
    & skf21("5","5","2","3","5","4","4","1") = "4"
    & skf21("5","5","2","3","5","4","5","1") = "4"
    & skf21("5","5","2","3","5","4","6","1") = "5"
    & skf21("5","5","2","3","5","4","7","1") = "6"
    & skf21("5","5","2","3","5","5","1","1") = "4"
    & skf21("5","5","2","3","5","5","2","1") = "4"
    & skf21("5","5","2","3","5","5","3","1") = "4"
    & skf21("5","5","2","3","5","5","4","1") = "4"
    & skf21("5","5","2","3","5","5","5","1") = "4"
    & skf21("5","5","2","3","5","5","6","1") = "5"
    & skf21("5","5","2","3","5","5","7","1") = "6"
    & skf21("5","5","2","3","5","6","1","1") = "5"
    & skf21("5","5","2","3","5","6","2","1") = "5"
    & skf21("5","5","2","3","5","6","3","1") = "5"
    & skf21("5","5","2","3","5","6","4","1") = "5"
    & skf21("5","5","2","3","5","6","5","1") = "5"
    & skf21("5","5","2","3","5","6","6","1") = "5"
    & skf21("5","5","2","3","5","6","7","1") = "6"
    & skf21("5","5","2","3","5","7","1","1") = "6"
    & skf21("5","5","2","3","5","7","2","1") = "6"
    & skf21("5","5","2","3","5","7","3","1") = "6"
    & skf21("5","5","2","3","5","7","4","1") = "6"
    & skf21("5","5","2","3","5","7","5","1") = "6"
    & skf21("5","5","2","3","5","7","6","1") = "6"
    & skf21("5","5","2","3","5","7","7","1") = "6"
    & skf21("5","5","2","3","6","1","1","1") = "5"
    & skf21("5","5","2","3","6","1","2","1") = "5"
    & skf21("5","5","2","3","6","1","3","1") = "5"
    & skf21("5","5","2","3","6","1","4","1") = "5"
    & skf21("5","5","2","3","6","1","5","1") = "5"
    & skf21("5","5","2","3","6","1","6","1") = "5"
    & skf21("5","5","2","3","6","1","7","1") = "6"
    & skf21("5","5","2","3","6","2","1","1") = "5"
    & skf21("5","5","2","3","6","2","2","1") = "5"
    & skf21("5","5","2","3","6","2","3","1") = "5"
    & skf21("5","5","2","3","6","2","4","1") = "5"
    & skf21("5","5","2","3","6","2","5","1") = "5"
    & skf21("5","5","2","3","6","2","6","1") = "5"
    & skf21("5","5","2","3","6","2","7","1") = "6"
    & skf21("5","5","2","3","6","3","1","1") = "5"
    & skf21("5","5","2","3","6","3","2","1") = "5"
    & skf21("5","5","2","3","6","3","3","1") = "5"
    & skf21("5","5","2","3","6","3","4","1") = "5"
    & skf21("5","5","2","3","6","3","5","1") = "5"
    & skf21("5","5","2","3","6","3","6","1") = "5"
    & skf21("5","5","2","3","6","3","7","1") = "6"
    & skf21("5","5","2","3","6","4","1","1") = "5"
    & skf21("5","5","2","3","6","4","2","1") = "5"
    & skf21("5","5","2","3","6","4","3","1") = "5"
    & skf21("5","5","2","3","6","4","4","1") = "5"
    & skf21("5","5","2","3","6","4","5","1") = "5"
    & skf21("5","5","2","3","6","4","6","1") = "5"
    & skf21("5","5","2","3","6","4","7","1") = "6"
    & skf21("5","5","2","3","6","5","1","1") = "5"
    & skf21("5","5","2","3","6","5","2","1") = "5"
    & skf21("5","5","2","3","6","5","3","1") = "5"
    & skf21("5","5","2","3","6","5","4","1") = "5"
    & skf21("5","5","2","3","6","5","5","1") = "5"
    & skf21("5","5","2","3","6","5","6","1") = "5"
    & skf21("5","5","2","3","6","5","7","1") = "6"
    & skf21("5","5","2","3","6","6","1","1") = "5"
    & skf21("5","5","2","3","6","6","2","1") = "5"
    & skf21("5","5","2","3","6","6","3","1") = "5"
    & skf21("5","5","2","3","6","6","4","1") = "5"
    & skf21("5","5","2","3","6","6","5","1") = "5"
    & skf21("5","5","2","3","6","6","6","1") = "5"
    & skf21("5","5","2","3","6","6","7","1") = "6"
    & skf21("5","5","2","3","6","7","1","1") = "6"
    & skf21("5","5","2","3","6","7","2","1") = "6"
    & skf21("5","5","2","3","6","7","3","1") = "6"
    & skf21("5","5","2","3","6","7","4","1") = "6"
    & skf21("5","5","2","3","6","7","5","1") = "6"
    & skf21("5","5","2","3","6","7","6","1") = "6"
    & skf21("5","5","2","3","6","7","7","1") = "6"
    & skf21("5","5","2","3","7","1","1","1") = "6"
    & skf21("5","5","2","3","7","1","2","1") = "6"
    & skf21("5","5","2","3","7","1","3","1") = "6"
    & skf21("5","5","2","3","7","1","4","1") = "6"
    & skf21("5","5","2","3","7","1","5","1") = "6"
    & skf21("5","5","2","3","7","1","6","1") = "6"
    & skf21("5","5","2","3","7","1","7","1") = "6"
    & skf21("5","5","2","3","7","2","1","1") = "6"
    & skf21("5","5","2","3","7","2","2","1") = "6"
    & skf21("5","5","2","3","7","2","3","1") = "6"
    & skf21("5","5","2","3","7","2","4","1") = "6"
    & skf21("5","5","2","3","7","2","5","1") = "6"
    & skf21("5","5","2","3","7","2","6","1") = "6"
    & skf21("5","5","2","3","7","2","7","1") = "6"
    & skf21("5","5","2","3","7","3","1","1") = "6"
    & skf21("5","5","2","3","7","3","2","1") = "6"
    & skf21("5","5","2","3","7","3","3","1") = "6"
    & skf21("5","5","2","3","7","3","4","1") = "6"
    & skf21("5","5","2","3","7","3","5","1") = "6"
    & skf21("5","5","2","3","7","3","6","1") = "6"
    & skf21("5","5","2","3","7","3","7","1") = "6"
    & skf21("5","5","2","3","7","4","1","1") = "6"
    & skf21("5","5","2","3","7","4","2","1") = "6"
    & skf21("5","5","2","3","7","4","3","1") = "6"
    & skf21("5","5","2","3","7","4","4","1") = "6"
    & skf21("5","5","2","3","7","4","5","1") = "6"
    & skf21("5","5","2","3","7","4","6","1") = "6"
    & skf21("5","5","2","3","7","4","7","1") = "6"
    & skf21("5","5","2","3","7","5","1","1") = "6"
    & skf21("5","5","2","3","7","5","2","1") = "6"
    & skf21("5","5","2","3","7","5","3","1") = "6"
    & skf21("5","5","2","3","7","5","4","1") = "6"
    & skf21("5","5","2","3","7","5","5","1") = "6"
    & skf21("5","5","2","3","7","5","6","1") = "6"
    & skf21("5","5","2","3","7","5","7","1") = "6"
    & skf21("5","5","2","3","7","6","1","1") = "6"
    & skf21("5","5","2","3","7","6","2","1") = "6"
    & skf21("5","5","2","3","7","6","3","1") = "6"
    & skf21("5","5","2","3","7","6","4","1") = "6"
    & skf21("5","5","2","3","7","6","5","1") = "6"
    & skf21("5","5","2","3","7","6","6","1") = "6"
    & skf21("5","5","2","3","7","6","7","1") = "6"
    & skf21("5","5","2","3","7","7","1","1") = "6"
    & skf21("5","5","2","3","7","7","2","1") = "6"
    & skf21("5","5","2","3","7","7","3","1") = "6"
    & skf21("5","5","2","3","7","7","4","1") = "6"
    & skf21("5","5","2","3","7","7","5","1") = "6"
    & skf21("5","5","2","3","7","7","6","1") = "6"
    & skf21("5","5","2","3","7","7","7","1") = "6"
    & skf21("5","5","2","4","1","1","1","1") = "4"
    & skf21("5","5","2","4","1","1","2","1") = "4"
    & skf21("5","5","2","4","1","1","3","1") = "4"
    & skf21("5","5","2","4","1","1","4","1") = "4"
    & skf21("5","5","2","4","1","1","5","1") = "4"
    & skf21("5","5","2","4","1","1","6","1") = "5"
    & skf21("5","5","2","4","1","1","7","1") = "6"
    & skf21("5","5","2","4","1","2","1","1") = "4"
    & skf21("5","5","2","4","1","2","2","1") = "4"
    & skf21("5","5","2","4","1","2","3","1") = "4"
    & skf21("5","5","2","4","1","2","4","1") = "4"
    & skf21("5","5","2","4","1","2","5","1") = "4"
    & skf21("5","5","2","4","1","2","6","1") = "5"
    & skf21("5","5","2","4","1","2","7","1") = "6"
    & skf21("5","5","2","4","1","3","1","1") = "4"
    & skf21("5","5","2","4","1","3","2","1") = "4"
    & skf21("5","5","2","4","1","3","3","1") = "4"
    & skf21("5","5","2","4","1","3","4","1") = "4"
    & skf21("5","5","2","4","1","3","5","1") = "4"
    & skf21("5","5","2","4","1","3","6","1") = "5"
    & skf21("5","5","2","4","1","3","7","1") = "6"
    & skf21("5","5","2","4","1","4","1","1") = "4"
    & skf21("5","5","2","4","1","4","2","1") = "4"
    & skf21("5","5","2","4","1","4","3","1") = "4"
    & skf21("5","5","2","4","1","4","4","1") = "4"
    & skf21("5","5","2","4","1","4","5","1") = "4"
    & skf21("5","5","2","4","1","4","6","1") = "5"
    & skf21("5","5","2","4","1","4","7","1") = "6"
    & skf21("5","5","2","4","1","5","1","1") = "4"
    & skf21("5","5","2","4","1","5","2","1") = "4"
    & skf21("5","5","2","4","1","5","3","1") = "4"
    & skf21("5","5","2","4","1","5","4","1") = "4"
    & skf21("5","5","2","4","1","5","5","1") = "4"
    & skf21("5","5","2","4","1","5","6","1") = "5"
    & skf21("5","5","2","4","1","5","7","1") = "6"
    & skf21("5","5","2","4","1","6","1","1") = "5"
    & skf21("5","5","2","4","1","6","2","1") = "5"
    & skf21("5","5","2","4","1","6","3","1") = "5"
    & skf21("5","5","2","4","1","6","4","1") = "5"
    & skf21("5","5","2","4","1","6","5","1") = "5"
    & skf21("5","5","2","4","1","6","6","1") = "5"
    & skf21("5","5","2","4","1","6","7","1") = "6"
    & skf21("5","5","2","4","1","7","1","1") = "6"
    & skf21("5","5","2","4","1","7","2","1") = "6"
    & skf21("5","5","2","4","1","7","3","1") = "6"
    & skf21("5","5","2","4","1","7","4","1") = "6"
    & skf21("5","5","2","4","1","7","5","1") = "6"
    & skf21("5","5","2","4","1","7","6","1") = "6"
    & skf21("5","5","2","4","1","7","7","1") = "6"
    & skf21("5","5","2","4","2","1","1","1") = "4"
    & skf21("5","5","2","4","2","1","2","1") = "4"
    & skf21("5","5","2","4","2","1","3","1") = "4"
    & skf21("5","5","2","4","2","1","4","1") = "4"
    & skf21("5","5","2","4","2","1","5","1") = "4"
    & skf21("5","5","2","4","2","1","6","1") = "5"
    & skf21("5","5","2","4","2","1","7","1") = "6"
    & skf21("5","5","2","4","2","2","1","1") = "4"
    & skf21("5","5","2","4","2","2","2","1") = "4"
    & skf21("5","5","2","4","2","2","3","1") = "4"
    & skf21("5","5","2","4","2","2","4","1") = "4"
    & skf21("5","5","2","4","2","2","5","1") = "4"
    & skf21("5","5","2","4","2","2","6","1") = "5"
    & skf21("5","5","2","4","2","2","7","1") = "6"
    & skf21("5","5","2","4","2","3","1","1") = "4"
    & skf21("5","5","2","4","2","3","2","1") = "4"
    & skf21("5","5","2","4","2","3","3","1") = "4"
    & skf21("5","5","2","4","2","3","4","1") = "4"
    & skf21("5","5","2","4","2","3","5","1") = "4"
    & skf21("5","5","2","4","2","3","6","1") = "5"
    & skf21("5","5","2","4","2","3","7","1") = "6"
    & skf21("5","5","2","4","2","4","1","1") = "4"
    & skf21("5","5","2","4","2","4","2","1") = "4"
    & skf21("5","5","2","4","2","4","3","1") = "4"
    & skf21("5","5","2","4","2","4","4","1") = "4"
    & skf21("5","5","2","4","2","4","5","1") = "4"
    & skf21("5","5","2","4","2","4","6","1") = "5"
    & skf21("5","5","2","4","2","4","7","1") = "6"
    & skf21("5","5","2","4","2","5","1","1") = "4"
    & skf21("5","5","2","4","2","5","2","1") = "4"
    & skf21("5","5","2","4","2","5","3","1") = "4"
    & skf21("5","5","2","4","2","5","4","1") = "4"
    & skf21("5","5","2","4","2","5","5","1") = "4"
    & skf21("5","5","2","4","2","5","6","1") = "5"
    & skf21("5","5","2","4","2","5","7","1") = "6"
    & skf21("5","5","2","4","2","6","1","1") = "5"
    & skf21("5","5","2","4","2","6","2","1") = "5"
    & skf21("5","5","2","4","2","6","3","1") = "5"
    & skf21("5","5","2","4","2","6","4","1") = "5"
    & skf21("5","5","2","4","2","6","5","1") = "5"
    & skf21("5","5","2","4","2","6","6","1") = "5"
    & skf21("5","5","2","4","2","6","7","1") = "6"
    & skf21("5","5","2","4","2","7","1","1") = "6"
    & skf21("5","5","2","4","2","7","2","1") = "6"
    & skf21("5","5","2","4","2","7","3","1") = "6"
    & skf21("5","5","2","4","2","7","4","1") = "6"
    & skf21("5","5","2","4","2","7","5","1") = "6"
    & skf21("5","5","2","4","2","7","6","1") = "6"
    & skf21("5","5","2","4","2","7","7","1") = "6"
    & skf21("5","5","2","4","3","1","1","1") = "4"
    & skf21("5","5","2","4","3","1","2","1") = "4"
    & skf21("5","5","2","4","3","1","3","1") = "4"
    & skf21("5","5","2","4","3","1","4","1") = "4"
    & skf21("5","5","2","4","3","1","5","1") = "4"
    & skf21("5","5","2","4","3","1","6","1") = "5"
    & skf21("5","5","2","4","3","1","7","1") = "6"
    & skf21("5","5","2","4","3","2","1","1") = "4"
    & skf21("5","5","2","4","3","2","2","1") = "4"
    & skf21("5","5","2","4","3","2","3","1") = "4"
    & skf21("5","5","2","4","3","2","4","1") = "4"
    & skf21("5","5","2","4","3","2","5","1") = "4"
    & skf21("5","5","2","4","3","2","6","1") = "5"
    & skf21("5","5","2","4","3","2","7","1") = "6"
    & skf21("5","5","2","4","3","3","1","1") = "4"
    & skf21("5","5","2","4","3","3","2","1") = "4"
    & skf21("5","5","2","4","3","3","3","1") = "4"
    & skf21("5","5","2","4","3","3","4","1") = "4"
    & skf21("5","5","2","4","3","3","5","1") = "4"
    & skf21("5","5","2","4","3","3","6","1") = "5"
    & skf21("5","5","2","4","3","3","7","1") = "6"
    & skf21("5","5","2","4","3","4","1","1") = "4"
    & skf21("5","5","2","4","3","4","2","1") = "4"
    & skf21("5","5","2","4","3","4","3","1") = "4"
    & skf21("5","5","2","4","3","4","4","1") = "4"
    & skf21("5","5","2","4","3","4","5","1") = "4"
    & skf21("5","5","2","4","3","4","6","1") = "5"
    & skf21("5","5","2","4","3","4","7","1") = "6"
    & skf21("5","5","2","4","3","5","1","1") = "4"
    & skf21("5","5","2","4","3","5","2","1") = "4"
    & skf21("5","5","2","4","3","5","3","1") = "4"
    & skf21("5","5","2","4","3","5","4","1") = "4"
    & skf21("5","5","2","4","3","5","5","1") = "4"
    & skf21("5","5","2","4","3","5","6","1") = "5"
    & skf21("5","5","2","4","3","5","7","1") = "6"
    & skf21("5","5","2","4","3","6","1","1") = "5"
    & skf21("5","5","2","4","3","6","2","1") = "5"
    & skf21("5","5","2","4","3","6","3","1") = "5"
    & skf21("5","5","2","4","3","6","4","1") = "5"
    & skf21("5","5","2","4","3","6","5","1") = "5"
    & skf21("5","5","2","4","3","6","6","1") = "5"
    & skf21("5","5","2","4","3","6","7","1") = "6"
    & skf21("5","5","2","4","3","7","1","1") = "6"
    & skf21("5","5","2","4","3","7","2","1") = "6"
    & skf21("5","5","2","4","3","7","3","1") = "6"
    & skf21("5","5","2","4","3","7","4","1") = "6"
    & skf21("5","5","2","4","3","7","5","1") = "6"
    & skf21("5","5","2","4","3","7","6","1") = "6"
    & skf21("5","5","2","4","3","7","7","1") = "6"
    & skf21("5","5","2","4","4","1","1","1") = "4"
    & skf21("5","5","2","4","4","1","2","1") = "4"
    & skf21("5","5","2","4","4","1","3","1") = "4"
    & skf21("5","5","2","4","4","1","4","1") = "4"
    & skf21("5","5","2","4","4","1","5","1") = "4"
    & skf21("5","5","2","4","4","1","6","1") = "5"
    & skf21("5","5","2","4","4","1","7","1") = "6"
    & skf21("5","5","2","4","4","2","1","1") = "4"
    & skf21("5","5","2","4","4","2","2","1") = "4"
    & skf21("5","5","2","4","4","2","3","1") = "4"
    & skf21("5","5","2","4","4","2","4","1") = "4"
    & skf21("5","5","2","4","4","2","5","1") = "4"
    & skf21("5","5","2","4","4","2","6","1") = "5"
    & skf21("5","5","2","4","4","2","7","1") = "6"
    & skf21("5","5","2","4","4","3","1","1") = "4"
    & skf21("5","5","2","4","4","3","2","1") = "4"
    & skf21("5","5","2","4","4","3","3","1") = "4"
    & skf21("5","5","2","4","4","3","4","1") = "4"
    & skf21("5","5","2","4","4","3","5","1") = "4"
    & skf21("5","5","2","4","4","3","6","1") = "5"
    & skf21("5","5","2","4","4","3","7","1") = "6"
    & skf21("5","5","2","4","4","4","1","1") = "4"
    & skf21("5","5","2","4","4","4","2","1") = "4"
    & skf21("5","5","2","4","4","4","3","1") = "4"
    & skf21("5","5","2","4","4","4","4","1") = "4"
    & skf21("5","5","2","4","4","4","5","1") = "4"
    & skf21("5","5","2","4","4","4","6","1") = "5"
    & skf21("5","5","2","4","4","4","7","1") = "6"
    & skf21("5","5","2","4","4","5","1","1") = "4"
    & skf21("5","5","2","4","4","5","2","1") = "4"
    & skf21("5","5","2","4","4","5","3","1") = "4"
    & skf21("5","5","2","4","4","5","4","1") = "4"
    & skf21("5","5","2","4","4","5","5","1") = "4"
    & skf21("5","5","2","4","4","5","6","1") = "5"
    & skf21("5","5","2","4","4","5","7","1") = "6"
    & skf21("5","5","2","4","4","6","1","1") = "5"
    & skf21("5","5","2","4","4","6","2","1") = "5"
    & skf21("5","5","2","4","4","6","3","1") = "5"
    & skf21("5","5","2","4","4","6","4","1") = "5"
    & skf21("5","5","2","4","4","6","5","1") = "5"
    & skf21("5","5","2","4","4","6","6","1") = "5"
    & skf21("5","5","2","4","4","6","7","1") = "6"
    & skf21("5","5","2","4","4","7","1","1") = "6"
    & skf21("5","5","2","4","4","7","2","1") = "6"
    & skf21("5","5","2","4","4","7","3","1") = "6"
    & skf21("5","5","2","4","4","7","4","1") = "6"
    & skf21("5","5","2","4","4","7","5","1") = "6"
    & skf21("5","5","2","4","4","7","6","1") = "6"
    & skf21("5","5","2","4","4","7","7","1") = "6"
    & skf21("5","5","2","4","5","1","1","1") = "4"
    & skf21("5","5","2","4","5","1","2","1") = "4"
    & skf21("5","5","2","4","5","1","3","1") = "4"
    & skf21("5","5","2","4","5","1","4","1") = "4"
    & skf21("5","5","2","4","5","1","5","1") = "4"
    & skf21("5","5","2","4","5","1","6","1") = "5"
    & skf21("5","5","2","4","5","1","7","1") = "6"
    & skf21("5","5","2","4","5","2","1","1") = "4"
    & skf21("5","5","2","4","5","2","2","1") = "4"
    & skf21("5","5","2","4","5","2","3","1") = "4"
    & skf21("5","5","2","4","5","2","4","1") = "4"
    & skf21("5","5","2","4","5","2","5","1") = "4"
    & skf21("5","5","2","4","5","2","6","1") = "5"
    & skf21("5","5","2","4","5","2","7","1") = "6"
    & skf21("5","5","2","4","5","3","1","1") = "4"
    & skf21("5","5","2","4","5","3","2","1") = "4"
    & skf21("5","5","2","4","5","3","3","1") = "4"
    & skf21("5","5","2","4","5","3","4","1") = "4"
    & skf21("5","5","2","4","5","3","5","1") = "4"
    & skf21("5","5","2","4","5","3","6","1") = "5"
    & skf21("5","5","2","4","5","3","7","1") = "6"
    & skf21("5","5","2","4","5","4","1","1") = "4"
    & skf21("5","5","2","4","5","4","2","1") = "4"
    & skf21("5","5","2","4","5","4","3","1") = "4"
    & skf21("5","5","2","4","5","4","4","1") = "4"
    & skf21("5","5","2","4","5","4","5","1") = "4"
    & skf21("5","5","2","4","5","4","6","1") = "5"
    & skf21("5","5","2","4","5","4","7","1") = "6"
    & skf21("5","5","2","4","5","5","1","1") = "4"
    & skf21("5","5","2","4","5","5","2","1") = "4"
    & skf21("5","5","2","4","5","5","3","1") = "4"
    & skf21("5","5","2","4","5","5","4","1") = "4"
    & skf21("5","5","2","4","5","5","5","1") = "4"
    & skf21("5","5","2","4","5","5","6","1") = "5"
    & skf21("5","5","2","4","5","5","7","1") = "6"
    & skf21("5","5","2","4","5","6","1","1") = "5"
    & skf21("5","5","2","4","5","6","2","1") = "5"
    & skf21("5","5","2","4","5","6","3","1") = "5"
    & skf21("5","5","2","4","5","6","4","1") = "5"
    & skf21("5","5","2","4","5","6","5","1") = "5"
    & skf21("5","5","2","4","5","6","6","1") = "5"
    & skf21("5","5","2","4","5","6","7","1") = "6"
    & skf21("5","5","2","4","5","7","1","1") = "6"
    & skf21("5","5","2","4","5","7","2","1") = "6"
    & skf21("5","5","2","4","5","7","3","1") = "6"
    & skf21("5","5","2","4","5","7","4","1") = "6"
    & skf21("5","5","2","4","5","7","5","1") = "6"
    & skf21("5","5","2","4","5","7","6","1") = "6"
    & skf21("5","5","2","4","5","7","7","1") = "6"
    & skf21("5","5","2","4","6","1","1","1") = "5"
    & skf21("5","5","2","4","6","1","2","1") = "5"
    & skf21("5","5","2","4","6","1","3","1") = "5"
    & skf21("5","5","2","4","6","1","4","1") = "5"
    & skf21("5","5","2","4","6","1","5","1") = "5"
    & skf21("5","5","2","4","6","1","6","1") = "5"
    & skf21("5","5","2","4","6","1","7","1") = "6"
    & skf21("5","5","2","4","6","2","1","1") = "5"
    & skf21("5","5","2","4","6","2","2","1") = "5"
    & skf21("5","5","2","4","6","2","3","1") = "5"
    & skf21("5","5","2","4","6","2","4","1") = "5"
    & skf21("5","5","2","4","6","2","5","1") = "5"
    & skf21("5","5","2","4","6","2","6","1") = "5"
    & skf21("5","5","2","4","6","2","7","1") = "6"
    & skf21("5","5","2","4","6","3","1","1") = "5"
    & skf21("5","5","2","4","6","3","2","1") = "5"
    & skf21("5","5","2","4","6","3","3","1") = "5"
    & skf21("5","5","2","4","6","3","4","1") = "5"
    & skf21("5","5","2","4","6","3","5","1") = "5"
    & skf21("5","5","2","4","6","3","6","1") = "5"
    & skf21("5","5","2","4","6","3","7","1") = "6"
    & skf21("5","5","2","4","6","4","1","1") = "5"
    & skf21("5","5","2","4","6","4","2","1") = "5"
    & skf21("5","5","2","4","6","4","3","1") = "5"
    & skf21("5","5","2","4","6","4","4","1") = "5"
    & skf21("5","5","2","4","6","4","5","1") = "5"
    & skf21("5","5","2","4","6","4","6","1") = "5"
    & skf21("5","5","2","4","6","4","7","1") = "6"
    & skf21("5","5","2","4","6","5","1","1") = "5"
    & skf21("5","5","2","4","6","5","2","1") = "5"
    & skf21("5","5","2","4","6","5","3","1") = "5"
    & skf21("5","5","2","4","6","5","4","1") = "5"
    & skf21("5","5","2","4","6","5","5","1") = "5"
    & skf21("5","5","2","4","6","5","6","1") = "5"
    & skf21("5","5","2","4","6","5","7","1") = "6"
    & skf21("5","5","2","4","6","6","1","1") = "5"
    & skf21("5","5","2","4","6","6","2","1") = "5"
    & skf21("5","5","2","4","6","6","3","1") = "5"
    & skf21("5","5","2","4","6","6","4","1") = "5"
    & skf21("5","5","2","4","6","6","5","1") = "5"
    & skf21("5","5","2","4","6","6","6","1") = "5"
    & skf21("5","5","2","4","6","6","7","1") = "6"
    & skf21("5","5","2","4","6","7","1","1") = "6"
    & skf21("5","5","2","4","6","7","2","1") = "6"
    & skf21("5","5","2","4","6","7","3","1") = "6"
    & skf21("5","5","2","4","6","7","4","1") = "6"
    & skf21("5","5","2","4","6","7","5","1") = "6"
    & skf21("5","5","2","4","6","7","6","1") = "6"
    & skf21("5","5","2","4","6","7","7","1") = "6"
    & skf21("5","5","2","4","7","1","1","1") = "6"
    & skf21("5","5","2","4","7","1","2","1") = "6"
    & skf21("5","5","2","4","7","1","3","1") = "6"
    & skf21("5","5","2","4","7","1","4","1") = "6"
    & skf21("5","5","2","4","7","1","5","1") = "6"
    & skf21("5","5","2","4","7","1","6","1") = "6"
    & skf21("5","5","2","4","7","1","7","1") = "6"
    & skf21("5","5","2","4","7","2","1","1") = "6"
    & skf21("5","5","2","4","7","2","2","1") = "6"
    & skf21("5","5","2","4","7","2","3","1") = "6"
    & skf21("5","5","2","4","7","2","4","1") = "6"
    & skf21("5","5","2","4","7","2","5","1") = "6"
    & skf21("5","5","2","4","7","2","6","1") = "6"
    & skf21("5","5","2","4","7","2","7","1") = "6"
    & skf21("5","5","2","4","7","3","1","1") = "6"
    & skf21("5","5","2","4","7","3","2","1") = "6"
    & skf21("5","5","2","4","7","3","3","1") = "6"
    & skf21("5","5","2","4","7","3","4","1") = "6"
    & skf21("5","5","2","4","7","3","5","1") = "6"
    & skf21("5","5","2","4","7","3","6","1") = "6"
    & skf21("5","5","2","4","7","3","7","1") = "6"
    & skf21("5","5","2","4","7","4","1","1") = "6"
    & skf21("5","5","2","4","7","4","2","1") = "6"
    & skf21("5","5","2","4","7","4","3","1") = "6"
    & skf21("5","5","2","4","7","4","4","1") = "6"
    & skf21("5","5","2","4","7","4","5","1") = "6"
    & skf21("5","5","2","4","7","4","6","1") = "6"
    & skf21("5","5","2","4","7","4","7","1") = "6"
    & skf21("5","5","2","4","7","5","1","1") = "6"
    & skf21("5","5","2","4","7","5","2","1") = "6"
    & skf21("5","5","2","4","7","5","3","1") = "6"
    & skf21("5","5","2","4","7","5","4","1") = "6"
    & skf21("5","5","2","4","7","5","5","1") = "6"
    & skf21("5","5","2","4","7","5","6","1") = "6"
    & skf21("5","5","2","4","7","5","7","1") = "6"
    & skf21("5","5","2","4","7","6","1","1") = "6"
    & skf21("5","5","2","4","7","6","2","1") = "6"
    & skf21("5","5","2","4","7","6","3","1") = "6"
    & skf21("5","5","2","4","7","6","4","1") = "6"
    & skf21("5","5","2","4","7","6","5","1") = "6"
    & skf21("5","5","2","4","7","6","6","1") = "6"
    & skf21("5","5","2","4","7","6","7","1") = "6"
    & skf21("5","5","2","4","7","7","1","1") = "6"
    & skf21("5","5","2","4","7","7","2","1") = "6"
    & skf21("5","5","2","4","7","7","3","1") = "6"
    & skf21("5","5","2","4","7","7","4","1") = "6"
    & skf21("5","5","2","4","7","7","5","1") = "6"
    & skf21("5","5","2","4","7","7","6","1") = "6"
    & skf21("5","5","2","4","7","7","7","1") = "6"
    & skf21("5","5","2","5","1","1","1","1") = "4"
    & skf21("5","5","2","5","1","1","2","1") = "4"
    & skf21("5","5","2","5","1","1","3","1") = "4"
    & skf21("5","5","2","5","1","1","4","1") = "4"
    & skf21("5","5","2","5","1","1","5","1") = "4"
    & skf21("5","5","2","5","1","1","6","1") = "5"
    & skf21("5","5","2","5","1","1","7","1") = "6"
    & skf21("5","5","2","5","1","2","1","1") = "4"
    & skf21("5","5","2","5","1","2","2","1") = "4"
    & skf21("5","5","2","5","1","2","3","1") = "4"
    & skf21("5","5","2","5","1","2","4","1") = "4"
    & skf21("5","5","2","5","1","2","5","1") = "4"
    & skf21("5","5","2","5","1","2","6","1") = "5"
    & skf21("5","5","2","5","1","2","7","1") = "6"
    & skf21("5","5","2","5","1","3","1","1") = "4"
    & skf21("5","5","2","5","1","3","2","1") = "4"
    & skf21("5","5","2","5","1","3","3","1") = "4"
    & skf21("5","5","2","5","1","3","4","1") = "4"
    & skf21("5","5","2","5","1","3","5","1") = "4"
    & skf21("5","5","2","5","1","3","6","1") = "5"
    & skf21("5","5","2","5","1","3","7","1") = "6"
    & skf21("5","5","2","5","1","4","1","1") = "4"
    & skf21("5","5","2","5","1","4","2","1") = "4"
    & skf21("5","5","2","5","1","4","3","1") = "4"
    & skf21("5","5","2","5","1","4","4","1") = "4"
    & skf21("5","5","2","5","1","4","5","1") = "4"
    & skf21("5","5","2","5","1","4","6","1") = "5"
    & skf21("5","5","2","5","1","4","7","1") = "6"
    & skf21("5","5","2","5","1","5","1","1") = "4"
    & skf21("5","5","2","5","1","5","2","1") = "4"
    & skf21("5","5","2","5","1","5","3","1") = "4"
    & skf21("5","5","2","5","1","5","4","1") = "4"
    & skf21("5","5","2","5","1","5","5","1") = "4"
    & skf21("5","5","2","5","1","5","6","1") = "5"
    & skf21("5","5","2","5","1","5","7","1") = "6"
    & skf21("5","5","2","5","1","6","1","1") = "5"
    & skf21("5","5","2","5","1","6","2","1") = "5"
    & skf21("5","5","2","5","1","6","3","1") = "5"
    & skf21("5","5","2","5","1","6","4","1") = "5"
    & skf21("5","5","2","5","1","6","5","1") = "5"
    & skf21("5","5","2","5","1","6","6","1") = "5"
    & skf21("5","5","2","5","1","6","7","1") = "6"
    & skf21("5","5","2","5","1","7","1","1") = "6"
    & skf21("5","5","2","5","1","7","2","1") = "6"
    & skf21("5","5","2","5","1","7","3","1") = "6"
    & skf21("5","5","2","5","1","7","4","1") = "6"
    & skf21("5","5","2","5","1","7","5","1") = "6"
    & skf21("5","5","2","5","1","7","6","1") = "6"
    & skf21("5","5","2","5","1","7","7","1") = "6"
    & skf21("5","5","2","5","2","1","1","1") = "4"
    & skf21("5","5","2","5","2","1","2","1") = "4"
    & skf21("5","5","2","5","2","1","3","1") = "4"
    & skf21("5","5","2","5","2","1","4","1") = "4"
    & skf21("5","5","2","5","2","1","5","1") = "4"
    & skf21("5","5","2","5","2","1","6","1") = "5"
    & skf21("5","5","2","5","2","1","7","1") = "6"
    & skf21("5","5","2","5","2","2","1","1") = "4"
    & skf21("5","5","2","5","2","2","2","1") = "4"
    & skf21("5","5","2","5","2","2","3","1") = "4"
    & skf21("5","5","2","5","2","2","4","1") = "4"
    & skf21("5","5","2","5","2","2","5","1") = "4"
    & skf21("5","5","2","5","2","2","6","1") = "5"
    & skf21("5","5","2","5","2","2","7","1") = "6"
    & skf21("5","5","2","5","2","3","1","1") = "4"
    & skf21("5","5","2","5","2","3","2","1") = "4"
    & skf21("5","5","2","5","2","3","3","1") = "4"
    & skf21("5","5","2","5","2","3","4","1") = "4"
    & skf21("5","5","2","5","2","3","5","1") = "4"
    & skf21("5","5","2","5","2","3","6","1") = "5"
    & skf21("5","5","2","5","2","3","7","1") = "6"
    & skf21("5","5","2","5","2","4","1","1") = "4"
    & skf21("5","5","2","5","2","4","2","1") = "4"
    & skf21("5","5","2","5","2","4","3","1") = "4"
    & skf21("5","5","2","5","2","4","4","1") = "4"
    & skf21("5","5","2","5","2","4","5","1") = "4"
    & skf21("5","5","2","5","2","4","6","1") = "5"
    & skf21("5","5","2","5","2","4","7","1") = "6"
    & skf21("5","5","2","5","2","5","1","1") = "4"
    & skf21("5","5","2","5","2","5","2","1") = "4"
    & skf21("5","5","2","5","2","5","3","1") = "4"
    & skf21("5","5","2","5","2","5","4","1") = "4"
    & skf21("5","5","2","5","2","5","5","1") = "4"
    & skf21("5","5","2","5","2","5","6","1") = "5"
    & skf21("5","5","2","5","2","5","7","1") = "6"
    & skf21("5","5","2","5","2","6","1","1") = "5"
    & skf21("5","5","2","5","2","6","2","1") = "5"
    & skf21("5","5","2","5","2","6","3","1") = "5"
    & skf21("5","5","2","5","2","6","4","1") = "5"
    & skf21("5","5","2","5","2","6","5","1") = "5"
    & skf21("5","5","2","5","2","6","6","1") = "5"
    & skf21("5","5","2","5","2","6","7","1") = "6"
    & skf21("5","5","2","5","2","7","1","1") = "6"
    & skf21("5","5","2","5","2","7","2","1") = "6"
    & skf21("5","5","2","5","2","7","3","1") = "6"
    & skf21("5","5","2","5","2","7","4","1") = "6"
    & skf21("5","5","2","5","2","7","5","1") = "6"
    & skf21("5","5","2","5","2","7","6","1") = "6"
    & skf21("5","5","2","5","2","7","7","1") = "6"
    & skf21("5","5","2","5","3","1","1","1") = "4"
    & skf21("5","5","2","5","3","1","2","1") = "4"
    & skf21("5","5","2","5","3","1","3","1") = "4"
    & skf21("5","5","2","5","3","1","4","1") = "4"
    & skf21("5","5","2","5","3","1","5","1") = "4"
    & skf21("5","5","2","5","3","1","6","1") = "5"
    & skf21("5","5","2","5","3","1","7","1") = "6"
    & skf21("5","5","2","5","3","2","1","1") = "4"
    & skf21("5","5","2","5","3","2","2","1") = "4"
    & skf21("5","5","2","5","3","2","3","1") = "4"
    & skf21("5","5","2","5","3","2","4","1") = "4"
    & skf21("5","5","2","5","3","2","5","1") = "4"
    & skf21("5","5","2","5","3","2","6","1") = "5"
    & skf21("5","5","2","5","3","2","7","1") = "6"
    & skf21("5","5","2","5","3","3","1","1") = "4"
    & skf21("5","5","2","5","3","3","2","1") = "4"
    & skf21("5","5","2","5","3","3","3","1") = "4"
    & skf21("5","5","2","5","3","3","4","1") = "4"
    & skf21("5","5","2","5","3","3","5","1") = "4"
    & skf21("5","5","2","5","3","3","6","1") = "5"
    & skf21("5","5","2","5","3","3","7","1") = "6"
    & skf21("5","5","2","5","3","4","1","1") = "4"
    & skf21("5","5","2","5","3","4","2","1") = "4"
    & skf21("5","5","2","5","3","4","3","1") = "4"
    & skf21("5","5","2","5","3","4","4","1") = "4"
    & skf21("5","5","2","5","3","4","5","1") = "4"
    & skf21("5","5","2","5","3","4","6","1") = "5"
    & skf21("5","5","2","5","3","4","7","1") = "6"
    & skf21("5","5","2","5","3","5","1","1") = "4"
    & skf21("5","5","2","5","3","5","2","1") = "4"
    & skf21("5","5","2","5","3","5","3","1") = "4"
    & skf21("5","5","2","5","3","5","4","1") = "4"
    & skf21("5","5","2","5","3","5","5","1") = "4"
    & skf21("5","5","2","5","3","5","6","1") = "5"
    & skf21("5","5","2","5","3","5","7","1") = "6"
    & skf21("5","5","2","5","3","6","1","1") = "5"
    & skf21("5","5","2","5","3","6","2","1") = "5"
    & skf21("5","5","2","5","3","6","3","1") = "5"
    & skf21("5","5","2","5","3","6","4","1") = "5"
    & skf21("5","5","2","5","3","6","5","1") = "5"
    & skf21("5","5","2","5","3","6","6","1") = "5"
    & skf21("5","5","2","5","3","6","7","1") = "6"
    & skf21("5","5","2","5","3","7","1","1") = "6"
    & skf21("5","5","2","5","3","7","2","1") = "6"
    & skf21("5","5","2","5","3","7","3","1") = "6"
    & skf21("5","5","2","5","3","7","4","1") = "6"
    & skf21("5","5","2","5","3","7","5","1") = "6"
    & skf21("5","5","2","5","3","7","6","1") = "6"
    & skf21("5","5","2","5","3","7","7","1") = "6"
    & skf21("5","5","2","5","4","1","1","1") = "4"
    & skf21("5","5","2","5","4","1","2","1") = "4"
    & skf21("5","5","2","5","4","1","3","1") = "4"
    & skf21("5","5","2","5","4","1","4","1") = "4"
    & skf21("5","5","2","5","4","1","5","1") = "4"
    & skf21("5","5","2","5","4","1","6","1") = "5"
    & skf21("5","5","2","5","4","1","7","1") = "6"
    & skf21("5","5","2","5","4","2","1","1") = "4"
    & skf21("5","5","2","5","4","2","2","1") = "4"
    & skf21("5","5","2","5","4","2","3","1") = "4"
    & skf21("5","5","2","5","4","2","4","1") = "4"
    & skf21("5","5","2","5","4","2","5","1") = "4"
    & skf21("5","5","2","5","4","2","6","1") = "5"
    & skf21("5","5","2","5","4","2","7","1") = "6"
    & skf21("5","5","2","5","4","3","1","1") = "4"
    & skf21("5","5","2","5","4","3","2","1") = "4"
    & skf21("5","5","2","5","4","3","3","1") = "4"
    & skf21("5","5","2","5","4","3","4","1") = "4"
    & skf21("5","5","2","5","4","3","5","1") = "4"
    & skf21("5","5","2","5","4","3","6","1") = "5"
    & skf21("5","5","2","5","4","3","7","1") = "6"
    & skf21("5","5","2","5","4","4","1","1") = "4"
    & skf21("5","5","2","5","4","4","2","1") = "4"
    & skf21("5","5","2","5","4","4","3","1") = "4"
    & skf21("5","5","2","5","4","4","4","1") = "4"
    & skf21("5","5","2","5","4","4","5","1") = "4"
    & skf21("5","5","2","5","4","4","6","1") = "5"
    & skf21("5","5","2","5","4","4","7","1") = "6"
    & skf21("5","5","2","5","4","5","1","1") = "4"
    & skf21("5","5","2","5","4","5","2","1") = "4"
    & skf21("5","5","2","5","4","5","3","1") = "4"
    & skf21("5","5","2","5","4","5","4","1") = "4"
    & skf21("5","5","2","5","4","5","5","1") = "4"
    & skf21("5","5","2","5","4","5","6","1") = "5"
    & skf21("5","5","2","5","4","5","7","1") = "6"
    & skf21("5","5","2","5","4","6","1","1") = "5"
    & skf21("5","5","2","5","4","6","2","1") = "5"
    & skf21("5","5","2","5","4","6","3","1") = "5"
    & skf21("5","5","2","5","4","6","4","1") = "5"
    & skf21("5","5","2","5","4","6","5","1") = "5"
    & skf21("5","5","2","5","4","6","6","1") = "5"
    & skf21("5","5","2","5","4","6","7","1") = "6"
    & skf21("5","5","2","5","4","7","1","1") = "6"
    & skf21("5","5","2","5","4","7","2","1") = "6"
    & skf21("5","5","2","5","4","7","3","1") = "6"
    & skf21("5","5","2","5","4","7","4","1") = "6"
    & skf21("5","5","2","5","4","7","5","1") = "6"
    & skf21("5","5","2","5","4","7","6","1") = "6"
    & skf21("5","5","2","5","4","7","7","1") = "6"
    & skf21("5","5","2","5","5","1","1","1") = "4"
    & skf21("5","5","2","5","5","1","2","1") = "4"
    & skf21("5","5","2","5","5","1","3","1") = "4"
    & skf21("5","5","2","5","5","1","4","1") = "4"
    & skf21("5","5","2","5","5","1","5","1") = "4"
    & skf21("5","5","2","5","5","1","6","1") = "5"
    & skf21("5","5","2","5","5","1","7","1") = "6"
    & skf21("5","5","2","5","5","2","1","1") = "4"
    & skf21("5","5","2","5","5","2","2","1") = "4"
    & skf21("5","5","2","5","5","2","3","1") = "4"
    & skf21("5","5","2","5","5","2","4","1") = "4"
    & skf21("5","5","2","5","5","2","5","1") = "4"
    & skf21("5","5","2","5","5","2","6","1") = "5"
    & skf21("5","5","2","5","5","2","7","1") = "6"
    & skf21("5","5","2","5","5","3","1","1") = "4"
    & skf21("5","5","2","5","5","3","2","1") = "4"
    & skf21("5","5","2","5","5","3","3","1") = "4"
    & skf21("5","5","2","5","5","3","4","1") = "4"
    & skf21("5","5","2","5","5","3","5","1") = "4"
    & skf21("5","5","2","5","5","3","6","1") = "5"
    & skf21("5","5","2","5","5","3","7","1") = "6"
    & skf21("5","5","2","5","5","4","1","1") = "4"
    & skf21("5","5","2","5","5","4","2","1") = "4"
    & skf21("5","5","2","5","5","4","3","1") = "4"
    & skf21("5","5","2","5","5","4","4","1") = "4"
    & skf21("5","5","2","5","5","4","5","1") = "4"
    & skf21("5","5","2","5","5","4","6","1") = "5"
    & skf21("5","5","2","5","5","4","7","1") = "6"
    & skf21("5","5","2","5","5","5","1","1") = "4"
    & skf21("5","5","2","5","5","5","2","1") = "4"
    & skf21("5","5","2","5","5","5","3","1") = "4"
    & skf21("5","5","2","5","5","5","4","1") = "4"
    & skf21("5","5","2","5","5","5","5","1") = "4"
    & skf21("5","5","2","5","5","5","6","1") = "5"
    & skf21("5","5","2","5","5","5","7","1") = "6"
    & skf21("5","5","2","5","5","6","1","1") = "5"
    & skf21("5","5","2","5","5","6","2","1") = "5"
    & skf21("5","5","2","5","5","6","3","1") = "5"
    & skf21("5","5","2","5","5","6","4","1") = "5"
    & skf21("5","5","2","5","5","6","5","1") = "5"
    & skf21("5","5","2","5","5","6","6","1") = "5"
    & skf21("5","5","2","5","5","6","7","1") = "6"
    & skf21("5","5","2","5","5","7","1","1") = "6"
    & skf21("5","5","2","5","5","7","2","1") = "6"
    & skf21("5","5","2","5","5","7","3","1") = "6"
    & skf21("5","5","2","5","5","7","4","1") = "6"
    & skf21("5","5","2","5","5","7","5","1") = "6"
    & skf21("5","5","2","5","5","7","6","1") = "6"
    & skf21("5","5","2","5","5","7","7","1") = "6"
    & skf21("5","5","2","5","6","1","1","1") = "5"
    & skf21("5","5","2","5","6","1","2","1") = "5"
    & skf21("5","5","2","5","6","1","3","1") = "5"
    & skf21("5","5","2","5","6","1","4","1") = "5"
    & skf21("5","5","2","5","6","1","5","1") = "5"
    & skf21("5","5","2","5","6","1","6","1") = "5"
    & skf21("5","5","2","5","6","1","7","1") = "6"
    & skf21("5","5","2","5","6","2","1","1") = "5"
    & skf21("5","5","2","5","6","2","2","1") = "5"
    & skf21("5","5","2","5","6","2","3","1") = "5"
    & skf21("5","5","2","5","6","2","4","1") = "5"
    & skf21("5","5","2","5","6","2","5","1") = "5"
    & skf21("5","5","2","5","6","2","6","1") = "5"
    & skf21("5","5","2","5","6","2","7","1") = "6"
    & skf21("5","5","2","5","6","3","1","1") = "5"
    & skf21("5","5","2","5","6","3","2","1") = "5"
    & skf21("5","5","2","5","6","3","3","1") = "5"
    & skf21("5","5","2","5","6","3","4","1") = "5"
    & skf21("5","5","2","5","6","3","5","1") = "5"
    & skf21("5","5","2","5","6","3","6","1") = "5"
    & skf21("5","5","2","5","6","3","7","1") = "6"
    & skf21("5","5","2","5","6","4","1","1") = "5"
    & skf21("5","5","2","5","6","4","2","1") = "5"
    & skf21("5","5","2","5","6","4","3","1") = "5"
    & skf21("5","5","2","5","6","4","4","1") = "5"
    & skf21("5","5","2","5","6","4","5","1") = "5"
    & skf21("5","5","2","5","6","4","6","1") = "5"
    & skf21("5","5","2","5","6","4","7","1") = "6"
    & skf21("5","5","2","5","6","5","1","1") = "5"
    & skf21("5","5","2","5","6","5","2","1") = "5"
    & skf21("5","5","2","5","6","5","3","1") = "5"
    & skf21("5","5","2","5","6","5","4","1") = "5"
    & skf21("5","5","2","5","6","5","5","1") = "5"
    & skf21("5","5","2","5","6","5","6","1") = "5"
    & skf21("5","5","2","5","6","5","7","1") = "6"
    & skf21("5","5","2","5","6","6","1","1") = "5"
    & skf21("5","5","2","5","6","6","2","1") = "5"
    & skf21("5","5","2","5","6","6","3","1") = "5"
    & skf21("5","5","2","5","6","6","4","1") = "5"
    & skf21("5","5","2","5","6","6","5","1") = "5"
    & skf21("5","5","2","5","6","6","6","1") = "5"
    & skf21("5","5","2","5","6","6","7","1") = "6"
    & skf21("5","5","2","5","6","7","1","1") = "6"
    & skf21("5","5","2","5","6","7","2","1") = "6"
    & skf21("5","5","2","5","6","7","3","1") = "6"
    & skf21("5","5","2","5","6","7","4","1") = "6"
    & skf21("5","5","2","5","6","7","5","1") = "6"
    & skf21("5","5","2","5","6","7","6","1") = "6"
    & skf21("5","5","2","5","6","7","7","1") = "6"
    & skf21("5","5","2","5","7","1","1","1") = "6"
    & skf21("5","5","2","5","7","1","2","1") = "6"
    & skf21("5","5","2","5","7","1","3","1") = "6"
    & skf21("5","5","2","5","7","1","4","1") = "6"
    & skf21("5","5","2","5","7","1","5","1") = "6"
    & skf21("5","5","2","5","7","1","6","1") = "6"
    & skf21("5","5","2","5","7","1","7","1") = "6"
    & skf21("5","5","2","5","7","2","1","1") = "6"
    & skf21("5","5","2","5","7","2","2","1") = "6"
    & skf21("5","5","2","5","7","2","3","1") = "6"
    & skf21("5","5","2","5","7","2","4","1") = "6"
    & skf21("5","5","2","5","7","2","5","1") = "6"
    & skf21("5","5","2","5","7","2","6","1") = "6"
    & skf21("5","5","2","5","7","2","7","1") = "6"
    & skf21("5","5","2","5","7","3","1","1") = "6"
    & skf21("5","5","2","5","7","3","2","1") = "6"
    & skf21("5","5","2","5","7","3","3","1") = "6"
    & skf21("5","5","2","5","7","3","4","1") = "6"
    & skf21("5","5","2","5","7","3","5","1") = "6"
    & skf21("5","5","2","5","7","3","6","1") = "6"
    & skf21("5","5","2","5","7","3","7","1") = "6"
    & skf21("5","5","2","5","7","4","1","1") = "6"
    & skf21("5","5","2","5","7","4","2","1") = "6"
    & skf21("5","5","2","5","7","4","3","1") = "6"
    & skf21("5","5","2","5","7","4","4","1") = "6"
    & skf21("5","5","2","5","7","4","5","1") = "6"
    & skf21("5","5","2","5","7","4","6","1") = "6"
    & skf21("5","5","2","5","7","4","7","1") = "6"
    & skf21("5","5","2","5","7","5","1","1") = "6"
    & skf21("5","5","2","5","7","5","2","1") = "6"
    & skf21("5","5","2","5","7","5","3","1") = "6"
    & skf21("5","5","2","5","7","5","4","1") = "6"
    & skf21("5","5","2","5","7","5","5","1") = "6"
    & skf21("5","5","2","5","7","5","6","1") = "6"
    & skf21("5","5","2","5","7","5","7","1") = "6"
    & skf21("5","5","2","5","7","6","1","1") = "6"
    & skf21("5","5","2","5","7","6","2","1") = "6"
    & skf21("5","5","2","5","7","6","3","1") = "6"
    & skf21("5","5","2","5","7","6","4","1") = "6"
    & skf21("5","5","2","5","7","6","5","1") = "6"
    & skf21("5","5","2","5","7","6","6","1") = "6"
    & skf21("5","5","2","5","7","6","7","1") = "6"
    & skf21("5","5","2","5","7","7","1","1") = "6"
    & skf21("5","5","2","5","7","7","2","1") = "6"
    & skf21("5","5","2","5","7","7","3","1") = "6"
    & skf21("5","5","2","5","7","7","4","1") = "6"
    & skf21("5","5","2","5","7","7","5","1") = "6"
    & skf21("5","5","2","5","7","7","6","1") = "6"
    & skf21("5","5","2","5","7","7","7","1") = "6"
    & skf21("5","5","2","6","1","1","1","1") = "5"
    & skf21("5","5","2","6","1","1","2","1") = "5"
    & skf21("5","5","2","6","1","1","3","1") = "5"
    & skf21("5","5","2","6","1","1","4","1") = "5"
    & skf21("5","5","2","6","1","1","5","1") = "5"
    & skf21("5","5","2","6","1","1","6","1") = "5"
    & skf21("5","5","2","6","1","1","7","1") = "6"
    & skf21("5","5","2","6","1","2","1","1") = "5"
    & skf21("5","5","2","6","1","2","2","1") = "5"
    & skf21("5","5","2","6","1","2","3","1") = "5"
    & skf21("5","5","2","6","1","2","4","1") = "5"
    & skf21("5","5","2","6","1","2","5","1") = "5"
    & skf21("5","5","2","6","1","2","6","1") = "5"
    & skf21("5","5","2","6","1","2","7","1") = "6"
    & skf21("5","5","2","6","1","3","1","1") = "5"
    & skf21("5","5","2","6","1","3","2","1") = "5"
    & skf21("5","5","2","6","1","3","3","1") = "5"
    & skf21("5","5","2","6","1","3","4","1") = "5"
    & skf21("5","5","2","6","1","3","5","1") = "5"
    & skf21("5","5","2","6","1","3","6","1") = "5"
    & skf21("5","5","2","6","1","3","7","1") = "6"
    & skf21("5","5","2","6","1","4","1","1") = "5"
    & skf21("5","5","2","6","1","4","2","1") = "5"
    & skf21("5","5","2","6","1","4","3","1") = "5"
    & skf21("5","5","2","6","1","4","4","1") = "5"
    & skf21("5","5","2","6","1","4","5","1") = "5"
    & skf21("5","5","2","6","1","4","6","1") = "5"
    & skf21("5","5","2","6","1","4","7","1") = "6"
    & skf21("5","5","2","6","1","5","1","1") = "5"
    & skf21("5","5","2","6","1","5","2","1") = "5"
    & skf21("5","5","2","6","1","5","3","1") = "5"
    & skf21("5","5","2","6","1","5","4","1") = "5"
    & skf21("5","5","2","6","1","5","5","1") = "5"
    & skf21("5","5","2","6","1","5","6","1") = "5"
    & skf21("5","5","2","6","1","5","7","1") = "6"
    & skf21("5","5","2","6","1","6","1","1") = "5"
    & skf21("5","5","2","6","1","6","2","1") = "5"
    & skf21("5","5","2","6","1","6","3","1") = "5"
    & skf21("5","5","2","6","1","6","4","1") = "5"
    & skf21("5","5","2","6","1","6","5","1") = "5"
    & skf21("5","5","2","6","1","6","6","1") = "5"
    & skf21("5","5","2","6","1","6","7","1") = "6"
    & skf21("5","5","2","6","1","7","1","1") = "6"
    & skf21("5","5","2","6","1","7","2","1") = "6"
    & skf21("5","5","2","6","1","7","3","1") = "6"
    & skf21("5","5","2","6","1","7","4","1") = "6"
    & skf21("5","5","2","6","1","7","5","1") = "6"
    & skf21("5","5","2","6","1","7","6","1") = "6"
    & skf21("5","5","2","6","1","7","7","1") = "6"
    & skf21("5","5","2","6","2","1","1","1") = "5"
    & skf21("5","5","2","6","2","1","2","1") = "5"
    & skf21("5","5","2","6","2","1","3","1") = "5"
    & skf21("5","5","2","6","2","1","4","1") = "5"
    & skf21("5","5","2","6","2","1","5","1") = "5"
    & skf21("5","5","2","6","2","1","6","1") = "5"
    & skf21("5","5","2","6","2","1","7","1") = "6"
    & skf21("5","5","2","6","2","2","1","1") = "5"
    & skf21("5","5","2","6","2","2","2","1") = "5"
    & skf21("5","5","2","6","2","2","3","1") = "5"
    & skf21("5","5","2","6","2","2","4","1") = "5"
    & skf21("5","5","2","6","2","2","5","1") = "5"
    & skf21("5","5","2","6","2","2","6","1") = "5"
    & skf21("5","5","2","6","2","2","7","1") = "6"
    & skf21("5","5","2","6","2","3","1","1") = "5"
    & skf21("5","5","2","6","2","3","2","1") = "5"
    & skf21("5","5","2","6","2","3","3","1") = "5"
    & skf21("5","5","2","6","2","3","4","1") = "5"
    & skf21("5","5","2","6","2","3","5","1") = "5"
    & skf21("5","5","2","6","2","3","6","1") = "5"
    & skf21("5","5","2","6","2","3","7","1") = "6"
    & skf21("5","5","2","6","2","4","1","1") = "5"
    & skf21("5","5","2","6","2","4","2","1") = "5"
    & skf21("5","5","2","6","2","4","3","1") = "5"
    & skf21("5","5","2","6","2","4","4","1") = "5"
    & skf21("5","5","2","6","2","4","5","1") = "5"
    & skf21("5","5","2","6","2","4","6","1") = "5"
    & skf21("5","5","2","6","2","4","7","1") = "6"
    & skf21("5","5","2","6","2","5","1","1") = "5"
    & skf21("5","5","2","6","2","5","2","1") = "5"
    & skf21("5","5","2","6","2","5","3","1") = "5"
    & skf21("5","5","2","6","2","5","4","1") = "5"
    & skf21("5","5","2","6","2","5","5","1") = "5"
    & skf21("5","5","2","6","2","5","6","1") = "5"
    & skf21("5","5","2","6","2","5","7","1") = "6"
    & skf21("5","5","2","6","2","6","1","1") = "5"
    & skf21("5","5","2","6","2","6","2","1") = "5"
    & skf21("5","5","2","6","2","6","3","1") = "5"
    & skf21("5","5","2","6","2","6","4","1") = "5"
    & skf21("5","5","2","6","2","6","5","1") = "5"
    & skf21("5","5","2","6","2","6","6","1") = "5"
    & skf21("5","5","2","6","2","6","7","1") = "6"
    & skf21("5","5","2","6","2","7","1","1") = "6"
    & skf21("5","5","2","6","2","7","2","1") = "6"
    & skf21("5","5","2","6","2","7","3","1") = "6"
    & skf21("5","5","2","6","2","7","4","1") = "6"
    & skf21("5","5","2","6","2","7","5","1") = "6"
    & skf21("5","5","2","6","2","7","6","1") = "6"
    & skf21("5","5","2","6","2","7","7","1") = "6"
    & skf21("5","5","2","6","3","1","1","1") = "5"
    & skf21("5","5","2","6","3","1","2","1") = "5"
    & skf21("5","5","2","6","3","1","3","1") = "5"
    & skf21("5","5","2","6","3","1","4","1") = "5"
    & skf21("5","5","2","6","3","1","5","1") = "5"
    & skf21("5","5","2","6","3","1","6","1") = "5"
    & skf21("5","5","2","6","3","1","7","1") = "6"
    & skf21("5","5","2","6","3","2","1","1") = "5"
    & skf21("5","5","2","6","3","2","2","1") = "5"
    & skf21("5","5","2","6","3","2","3","1") = "5"
    & skf21("5","5","2","6","3","2","4","1") = "5"
    & skf21("5","5","2","6","3","2","5","1") = "5"
    & skf21("5","5","2","6","3","2","6","1") = "5"
    & skf21("5","5","2","6","3","2","7","1") = "6"
    & skf21("5","5","2","6","3","3","1","1") = "5"
    & skf21("5","5","2","6","3","3","2","1") = "5"
    & skf21("5","5","2","6","3","3","3","1") = "5"
    & skf21("5","5","2","6","3","3","4","1") = "5"
    & skf21("5","5","2","6","3","3","5","1") = "5"
    & skf21("5","5","2","6","3","3","6","1") = "5"
    & skf21("5","5","2","6","3","3","7","1") = "6"
    & skf21("5","5","2","6","3","4","1","1") = "5"
    & skf21("5","5","2","6","3","4","2","1") = "5"
    & skf21("5","5","2","6","3","4","3","1") = "5"
    & skf21("5","5","2","6","3","4","4","1") = "5"
    & skf21("5","5","2","6","3","4","5","1") = "5"
    & skf21("5","5","2","6","3","4","6","1") = "5"
    & skf21("5","5","2","6","3","4","7","1") = "6"
    & skf21("5","5","2","6","3","5","1","1") = "5"
    & skf21("5","5","2","6","3","5","2","1") = "5"
    & skf21("5","5","2","6","3","5","3","1") = "5"
    & skf21("5","5","2","6","3","5","4","1") = "5"
    & skf21("5","5","2","6","3","5","5","1") = "5"
    & skf21("5","5","2","6","3","5","6","1") = "5"
    & skf21("5","5","2","6","3","5","7","1") = "6"
    & skf21("5","5","2","6","3","6","1","1") = "5"
    & skf21("5","5","2","6","3","6","2","1") = "5"
    & skf21("5","5","2","6","3","6","3","1") = "5"
    & skf21("5","5","2","6","3","6","4","1") = "5"
    & skf21("5","5","2","6","3","6","5","1") = "5"
    & skf21("5","5","2","6","3","6","6","1") = "5"
    & skf21("5","5","2","6","3","6","7","1") = "6"
    & skf21("5","5","2","6","3","7","1","1") = "6"
    & skf21("5","5","2","6","3","7","2","1") = "6"
    & skf21("5","5","2","6","3","7","3","1") = "6"
    & skf21("5","5","2","6","3","7","4","1") = "6"
    & skf21("5","5","2","6","3","7","5","1") = "6"
    & skf21("5","5","2","6","3","7","6","1") = "6"
    & skf21("5","5","2","6","3","7","7","1") = "6"
    & skf21("5","5","2","6","4","1","1","1") = "5"
    & skf21("5","5","2","6","4","1","2","1") = "5"
    & skf21("5","5","2","6","4","1","3","1") = "5"
    & skf21("5","5","2","6","4","1","4","1") = "5"
    & skf21("5","5","2","6","4","1","5","1") = "5"
    & skf21("5","5","2","6","4","1","6","1") = "5"
    & skf21("5","5","2","6","4","1","7","1") = "6"
    & skf21("5","5","2","6","4","2","1","1") = "5"
    & skf21("5","5","2","6","4","2","2","1") = "5"
    & skf21("5","5","2","6","4","2","3","1") = "5"
    & skf21("5","5","2","6","4","2","4","1") = "5"
    & skf21("5","5","2","6","4","2","5","1") = "5"
    & skf21("5","5","2","6","4","2","6","1") = "5"
    & skf21("5","5","2","6","4","2","7","1") = "6"
    & skf21("5","5","2","6","4","3","1","1") = "5"
    & skf21("5","5","2","6","4","3","2","1") = "5"
    & skf21("5","5","2","6","4","3","3","1") = "5"
    & skf21("5","5","2","6","4","3","4","1") = "5"
    & skf21("5","5","2","6","4","3","5","1") = "5"
    & skf21("5","5","2","6","4","3","6","1") = "5"
    & skf21("5","5","2","6","4","3","7","1") = "6"
    & skf21("5","5","2","6","4","4","1","1") = "5"
    & skf21("5","5","2","6","4","4","2","1") = "5"
    & skf21("5","5","2","6","4","4","3","1") = "5"
    & skf21("5","5","2","6","4","4","4","1") = "5"
    & skf21("5","5","2","6","4","4","5","1") = "5"
    & skf21("5","5","2","6","4","4","6","1") = "5"
    & skf21("5","5","2","6","4","4","7","1") = "6"
    & skf21("5","5","2","6","4","5","1","1") = "5"
    & skf21("5","5","2","6","4","5","2","1") = "5"
    & skf21("5","5","2","6","4","5","3","1") = "5"
    & skf21("5","5","2","6","4","5","4","1") = "5"
    & skf21("5","5","2","6","4","5","5","1") = "5"
    & skf21("5","5","2","6","4","5","6","1") = "5"
    & skf21("5","5","2","6","4","5","7","1") = "6"
    & skf21("5","5","2","6","4","6","1","1") = "5"
    & skf21("5","5","2","6","4","6","2","1") = "5"
    & skf21("5","5","2","6","4","6","3","1") = "5"
    & skf21("5","5","2","6","4","6","4","1") = "5"
    & skf21("5","5","2","6","4","6","5","1") = "5"
    & skf21("5","5","2","6","4","6","6","1") = "5"
    & skf21("5","5","2","6","4","6","7","1") = "6"
    & skf21("5","5","2","6","4","7","1","1") = "6"
    & skf21("5","5","2","6","4","7","2","1") = "6"
    & skf21("5","5","2","6","4","7","3","1") = "6"
    & skf21("5","5","2","6","4","7","4","1") = "6"
    & skf21("5","5","2","6","4","7","5","1") = "6"
    & skf21("5","5","2","6","4","7","6","1") = "6"
    & skf21("5","5","2","6","4","7","7","1") = "6"
    & skf21("5","5","2","6","5","1","1","1") = "5"
    & skf21("5","5","2","6","5","1","2","1") = "5"
    & skf21("5","5","2","6","5","1","3","1") = "5"
    & skf21("5","5","2","6","5","1","4","1") = "5"
    & skf21("5","5","2","6","5","1","5","1") = "5"
    & skf21("5","5","2","6","5","1","6","1") = "5"
    & skf21("5","5","2","6","5","1","7","1") = "6"
    & skf21("5","5","2","6","5","2","1","1") = "5"
    & skf21("5","5","2","6","5","2","2","1") = "5"
    & skf21("5","5","2","6","5","2","3","1") = "5"
    & skf21("5","5","2","6","5","2","4","1") = "5"
    & skf21("5","5","2","6","5","2","5","1") = "5"
    & skf21("5","5","2","6","5","2","6","1") = "5"
    & skf21("5","5","2","6","5","2","7","1") = "6"
    & skf21("5","5","2","6","5","3","1","1") = "5"
    & skf21("5","5","2","6","5","3","2","1") = "5"
    & skf21("5","5","2","6","5","3","3","1") = "5"
    & skf21("5","5","2","6","5","3","4","1") = "5"
    & skf21("5","5","2","6","5","3","5","1") = "5"
    & skf21("5","5","2","6","5","3","6","1") = "5"
    & skf21("5","5","2","6","5","3","7","1") = "6"
    & skf21("5","5","2","6","5","4","1","1") = "5"
    & skf21("5","5","2","6","5","4","2","1") = "5"
    & skf21("5","5","2","6","5","4","3","1") = "5"
    & skf21("5","5","2","6","5","4","4","1") = "5"
    & skf21("5","5","2","6","5","4","5","1") = "5"
    & skf21("5","5","2","6","5","4","6","1") = "5"
    & skf21("5","5","2","6","5","4","7","1") = "6"
    & skf21("5","5","2","6","5","5","1","1") = "5"
    & skf21("5","5","2","6","5","5","2","1") = "5"
    & skf21("5","5","2","6","5","5","3","1") = "5"
    & skf21("5","5","2","6","5","5","4","1") = "5"
    & skf21("5","5","2","6","5","5","5","1") = "5"
    & skf21("5","5","2","6","5","5","6","1") = "5"
    & skf21("5","5","2","6","5","5","7","1") = "6"
    & skf21("5","5","2","6","5","6","1","1") = "5"
    & skf21("5","5","2","6","5","6","2","1") = "5"
    & skf21("5","5","2","6","5","6","3","1") = "5"
    & skf21("5","5","2","6","5","6","4","1") = "5"
    & skf21("5","5","2","6","5","6","5","1") = "5"
    & skf21("5","5","2","6","5","6","6","1") = "5"
    & skf21("5","5","2","6","5","6","7","1") = "6"
    & skf21("5","5","2","6","5","7","1","1") = "6"
    & skf21("5","5","2","6","5","7","2","1") = "6"
    & skf21("5","5","2","6","5","7","3","1") = "6"
    & skf21("5","5","2","6","5","7","4","1") = "6"
    & skf21("5","5","2","6","5","7","5","1") = "6"
    & skf21("5","5","2","6","5","7","6","1") = "6"
    & skf21("5","5","2","6","5","7","7","1") = "6"
    & skf21("5","5","2","6","6","1","1","1") = "5"
    & skf21("5","5","2","6","6","1","2","1") = "5"
    & skf21("5","5","2","6","6","1","3","1") = "5"
    & skf21("5","5","2","6","6","1","4","1") = "5"
    & skf21("5","5","2","6","6","1","5","1") = "5"
    & skf21("5","5","2","6","6","1","6","1") = "5"
    & skf21("5","5","2","6","6","1","7","1") = "6"
    & skf21("5","5","2","6","6","2","1","1") = "5"
    & skf21("5","5","2","6","6","2","2","1") = "5"
    & skf21("5","5","2","6","6","2","3","1") = "5"
    & skf21("5","5","2","6","6","2","4","1") = "5"
    & skf21("5","5","2","6","6","2","5","1") = "5"
    & skf21("5","5","2","6","6","2","6","1") = "5"
    & skf21("5","5","2","6","6","2","7","1") = "6"
    & skf21("5","5","2","6","6","3","1","1") = "5"
    & skf21("5","5","2","6","6","3","2","1") = "5"
    & skf21("5","5","2","6","6","3","3","1") = "5"
    & skf21("5","5","2","6","6","3","4","1") = "5"
    & skf21("5","5","2","6","6","3","5","1") = "5"
    & skf21("5","5","2","6","6","3","6","1") = "5"
    & skf21("5","5","2","6","6","3","7","1") = "6"
    & skf21("5","5","2","6","6","4","1","1") = "5"
    & skf21("5","5","2","6","6","4","2","1") = "5"
    & skf21("5","5","2","6","6","4","3","1") = "5"
    & skf21("5","5","2","6","6","4","4","1") = "5"
    & skf21("5","5","2","6","6","4","5","1") = "5"
    & skf21("5","5","2","6","6","4","6","1") = "5"
    & skf21("5","5","2","6","6","4","7","1") = "6"
    & skf21("5","5","2","6","6","5","1","1") = "5"
    & skf21("5","5","2","6","6","5","2","1") = "5"
    & skf21("5","5","2","6","6","5","3","1") = "5"
    & skf21("5","5","2","6","6","5","4","1") = "5"
    & skf21("5","5","2","6","6","5","5","1") = "5"
    & skf21("5","5","2","6","6","5","6","1") = "5"
    & skf21("5","5","2","6","6","5","7","1") = "6"
    & skf21("5","5","2","6","6","6","1","1") = "5"
    & skf21("5","5","2","6","6","6","2","1") = "5"
    & skf21("5","5","2","6","6","6","3","1") = "5"
    & skf21("5","5","2","6","6","6","4","1") = "5"
    & skf21("5","5","2","6","6","6","5","1") = "5"
    & skf21("5","5","2","6","6","6","6","1") = "5"
    & skf21("5","5","2","6","6","6","7","1") = "6"
    & skf21("5","5","2","6","6","7","1","1") = "6"
    & skf21("5","5","2","6","6","7","2","1") = "6"
    & skf21("5","5","2","6","6","7","3","1") = "6"
    & skf21("5","5","2","6","6","7","4","1") = "6"
    & skf21("5","5","2","6","6","7","5","1") = "6"
    & skf21("5","5","2","6","6","7","6","1") = "6"
    & skf21("5","5","2","6","6","7","7","1") = "6"
    & skf21("5","5","2","6","7","1","1","1") = "6"
    & skf21("5","5","2","6","7","1","2","1") = "6"
    & skf21("5","5","2","6","7","1","3","1") = "6"
    & skf21("5","5","2","6","7","1","4","1") = "6"
    & skf21("5","5","2","6","7","1","5","1") = "6"
    & skf21("5","5","2","6","7","1","6","1") = "6"
    & skf21("5","5","2","6","7","1","7","1") = "6"
    & skf21("5","5","2","6","7","2","1","1") = "6"
    & skf21("5","5","2","6","7","2","2","1") = "6"
    & skf21("5","5","2","6","7","2","3","1") = "6"
    & skf21("5","5","2","6","7","2","4","1") = "6"
    & skf21("5","5","2","6","7","2","5","1") = "6"
    & skf21("5","5","2","6","7","2","6","1") = "6"
    & skf21("5","5","2","6","7","2","7","1") = "6"
    & skf21("5","5","2","6","7","3","1","1") = "6"
    & skf21("5","5","2","6","7","3","2","1") = "6"
    & skf21("5","5","2","6","7","3","3","1") = "6"
    & skf21("5","5","2","6","7","3","4","1") = "6"
    & skf21("5","5","2","6","7","3","5","1") = "6"
    & skf21("5","5","2","6","7","3","6","1") = "6"
    & skf21("5","5","2","6","7","3","7","1") = "6"
    & skf21("5","5","2","6","7","4","1","1") = "6"
    & skf21("5","5","2","6","7","4","2","1") = "6"
    & skf21("5","5","2","6","7","4","3","1") = "6"
    & skf21("5","5","2","6","7","4","4","1") = "6"
    & skf21("5","5","2","6","7","4","5","1") = "6"
    & skf21("5","5","2","6","7","4","6","1") = "6"
    & skf21("5","5","2","6","7","4","7","1") = "6"
    & skf21("5","5","2","6","7","5","1","1") = "6"
    & skf21("5","5","2","6","7","5","2","1") = "6"
    & skf21("5","5","2","6","7","5","3","1") = "6"
    & skf21("5","5","2","6","7","5","4","1") = "6"
    & skf21("5","5","2","6","7","5","5","1") = "6"
    & skf21("5","5","2","6","7","5","6","1") = "6"
    & skf21("5","5","2","6","7","5","7","1") = "6"
    & skf21("5","5","2","6","7","6","1","1") = "6"
    & skf21("5","5","2","6","7","6","2","1") = "6"
    & skf21("5","5","2","6","7","6","3","1") = "6"
    & skf21("5","5","2","6","7","6","4","1") = "6"
    & skf21("5","5","2","6","7","6","5","1") = "6"
    & skf21("5","5","2","6","7","6","6","1") = "6"
    & skf21("5","5","2","6","7","6","7","1") = "6"
    & skf21("5","5","2","6","7","7","1","1") = "6"
    & skf21("5","5","2","6","7","7","2","1") = "6"
    & skf21("5","5","2","6","7","7","3","1") = "6"
    & skf21("5","5","2","6","7","7","4","1") = "6"
    & skf21("5","5","2","6","7","7","5","1") = "6"
    & skf21("5","5","2","6","7","7","6","1") = "6"
    & skf21("5","5","2","6","7","7","7","1") = "6"
    & skf21("5","5","2","7","1","1","1","1") = "6"
    & skf21("5","5","2","7","1","1","2","1") = "6"
    & skf21("5","5","2","7","1","1","3","1") = "6"
    & skf21("5","5","2","7","1","1","4","1") = "6"
    & skf21("5","5","2","7","1","1","5","1") = "6"
    & skf21("5","5","2","7","1","1","6","1") = "6"
    & skf21("5","5","2","7","1","1","7","1") = "6"
    & skf21("5","5","2","7","1","2","1","1") = "6"
    & skf21("5","5","2","7","1","2","2","1") = "6"
    & skf21("5","5","2","7","1","2","3","1") = "6"
    & skf21("5","5","2","7","1","2","4","1") = "6"
    & skf21("5","5","2","7","1","2","5","1") = "6"
    & skf21("5","5","2","7","1","2","6","1") = "6"
    & skf21("5","5","2","7","1","2","7","1") = "6"
    & skf21("5","5","2","7","1","3","1","1") = "6"
    & skf21("5","5","2","7","1","3","2","1") = "6"
    & skf21("5","5","2","7","1","3","3","1") = "6"
    & skf21("5","5","2","7","1","3","4","1") = "6"
    & skf21("5","5","2","7","1","3","5","1") = "6"
    & skf21("5","5","2","7","1","3","6","1") = "6"
    & skf21("5","5","2","7","1","3","7","1") = "6"
    & skf21("5","5","2","7","1","4","1","1") = "6"
    & skf21("5","5","2","7","1","4","2","1") = "6"
    & skf21("5","5","2","7","1","4","3","1") = "6"
    & skf21("5","5","2","7","1","4","4","1") = "6"
    & skf21("5","5","2","7","1","4","5","1") = "6"
    & skf21("5","5","2","7","1","4","6","1") = "6"
    & skf21("5","5","2","7","1","4","7","1") = "6"
    & skf21("5","5","2","7","1","5","1","1") = "6"
    & skf21("5","5","2","7","1","5","2","1") = "6"
    & skf21("5","5","2","7","1","5","3","1") = "6"
    & skf21("5","5","2","7","1","5","4","1") = "6"
    & skf21("5","5","2","7","1","5","5","1") = "6"
    & skf21("5","5","2","7","1","5","6","1") = "6"
    & skf21("5","5","2","7","1","5","7","1") = "6"
    & skf21("5","5","2","7","1","6","1","1") = "6"
    & skf21("5","5","2","7","1","6","2","1") = "6"
    & skf21("5","5","2","7","1","6","3","1") = "6"
    & skf21("5","5","2","7","1","6","4","1") = "6"
    & skf21("5","5","2","7","1","6","5","1") = "6"
    & skf21("5","5","2","7","1","6","6","1") = "6"
    & skf21("5","5","2","7","1","6","7","1") = "6"
    & skf21("5","5","2","7","1","7","1","1") = "6"
    & skf21("5","5","2","7","1","7","2","1") = "6"
    & skf21("5","5","2","7","1","7","3","1") = "6"
    & skf21("5","5","2","7","1","7","4","1") = "6"
    & skf21("5","5","2","7","1","7","5","1") = "6"
    & skf21("5","5","2","7","1","7","6","1") = "6"
    & skf21("5","5","2","7","1","7","7","1") = "6"
    & skf21("5","5","2","7","2","1","1","1") = "6"
    & skf21("5","5","2","7","2","1","2","1") = "6"
    & skf21("5","5","2","7","2","1","3","1") = "6"
    & skf21("5","5","2","7","2","1","4","1") = "6"
    & skf21("5","5","2","7","2","1","5","1") = "6"
    & skf21("5","5","2","7","2","1","6","1") = "6"
    & skf21("5","5","2","7","2","1","7","1") = "6"
    & skf21("5","5","2","7","2","2","1","1") = "6"
    & skf21("5","5","2","7","2","2","2","1") = "6"
    & skf21("5","5","2","7","2","2","3","1") = "6"
    & skf21("5","5","2","7","2","2","4","1") = "6"
    & skf21("5","5","2","7","2","2","5","1") = "6"
    & skf21("5","5","2","7","2","2","6","1") = "6"
    & skf21("5","5","2","7","2","2","7","1") = "6"
    & skf21("5","5","2","7","2","3","1","1") = "6"
    & skf21("5","5","2","7","2","3","2","1") = "6"
    & skf21("5","5","2","7","2","3","3","1") = "6"
    & skf21("5","5","2","7","2","3","4","1") = "6"
    & skf21("5","5","2","7","2","3","5","1") = "6"
    & skf21("5","5","2","7","2","3","6","1") = "6"
    & skf21("5","5","2","7","2","3","7","1") = "6"
    & skf21("5","5","2","7","2","4","1","1") = "6"
    & skf21("5","5","2","7","2","4","2","1") = "6"
    & skf21("5","5","2","7","2","4","3","1") = "6"
    & skf21("5","5","2","7","2","4","4","1") = "6"
    & skf21("5","5","2","7","2","4","5","1") = "6"
    & skf21("5","5","2","7","2","4","6","1") = "6"
    & skf21("5","5","2","7","2","4","7","1") = "6"
    & skf21("5","5","2","7","2","5","1","1") = "6"
    & skf21("5","5","2","7","2","5","2","1") = "6"
    & skf21("5","5","2","7","2","5","3","1") = "6"
    & skf21("5","5","2","7","2","5","4","1") = "6"
    & skf21("5","5","2","7","2","5","5","1") = "6"
    & skf21("5","5","2","7","2","5","6","1") = "6"
    & skf21("5","5","2","7","2","5","7","1") = "6"
    & skf21("5","5","2","7","2","6","1","1") = "6"
    & skf21("5","5","2","7","2","6","2","1") = "6"
    & skf21("5","5","2","7","2","6","3","1") = "6"
    & skf21("5","5","2","7","2","6","4","1") = "6"
    & skf21("5","5","2","7","2","6","5","1") = "6"
    & skf21("5","5","2","7","2","6","6","1") = "6"
    & skf21("5","5","2","7","2","6","7","1") = "6"
    & skf21("5","5","2","7","2","7","1","1") = "6"
    & skf21("5","5","2","7","2","7","2","1") = "6"
    & skf21("5","5","2","7","2","7","3","1") = "6"
    & skf21("5","5","2","7","2","7","4","1") = "6"
    & skf21("5","5","2","7","2","7","5","1") = "6"
    & skf21("5","5","2","7","2","7","6","1") = "6"
    & skf21("5","5","2","7","2","7","7","1") = "6"
    & skf21("5","5","2","7","3","1","1","1") = "6"
    & skf21("5","5","2","7","3","1","2","1") = "6"
    & skf21("5","5","2","7","3","1","3","1") = "6"
    & skf21("5","5","2","7","3","1","4","1") = "6"
    & skf21("5","5","2","7","3","1","5","1") = "6"
    & skf21("5","5","2","7","3","1","6","1") = "6"
    & skf21("5","5","2","7","3","1","7","1") = "6"
    & skf21("5","5","2","7","3","2","1","1") = "6"
    & skf21("5","5","2","7","3","2","2","1") = "6"
    & skf21("5","5","2","7","3","2","3","1") = "6"
    & skf21("5","5","2","7","3","2","4","1") = "6"
    & skf21("5","5","2","7","3","2","5","1") = "6"
    & skf21("5","5","2","7","3","2","6","1") = "6"
    & skf21("5","5","2","7","3","2","7","1") = "6"
    & skf21("5","5","2","7","3","3","1","1") = "6"
    & skf21("5","5","2","7","3","3","2","1") = "6"
    & skf21("5","5","2","7","3","3","3","1") = "6"
    & skf21("5","5","2","7","3","3","4","1") = "6"
    & skf21("5","5","2","7","3","3","5","1") = "6"
    & skf21("5","5","2","7","3","3","6","1") = "6"
    & skf21("5","5","2","7","3","3","7","1") = "6"
    & skf21("5","5","2","7","3","4","1","1") = "6"
    & skf21("5","5","2","7","3","4","2","1") = "6"
    & skf21("5","5","2","7","3","4","3","1") = "6"
    & skf21("5","5","2","7","3","4","4","1") = "6"
    & skf21("5","5","2","7","3","4","5","1") = "6"
    & skf21("5","5","2","7","3","4","6","1") = "6"
    & skf21("5","5","2","7","3","4","7","1") = "6"
    & skf21("5","5","2","7","3","5","1","1") = "6"
    & skf21("5","5","2","7","3","5","2","1") = "6"
    & skf21("5","5","2","7","3","5","3","1") = "6"
    & skf21("5","5","2","7","3","5","4","1") = "6"
    & skf21("5","5","2","7","3","5","5","1") = "6"
    & skf21("5","5","2","7","3","5","6","1") = "6"
    & skf21("5","5","2","7","3","5","7","1") = "6"
    & skf21("5","5","2","7","3","6","1","1") = "6"
    & skf21("5","5","2","7","3","6","2","1") = "6"
    & skf21("5","5","2","7","3","6","3","1") = "6"
    & skf21("5","5","2","7","3","6","4","1") = "6"
    & skf21("5","5","2","7","3","6","5","1") = "6"
    & skf21("5","5","2","7","3","6","6","1") = "6"
    & skf21("5","5","2","7","3","6","7","1") = "6"
    & skf21("5","5","2","7","3","7","1","1") = "6"
    & skf21("5","5","2","7","3","7","2","1") = "6"
    & skf21("5","5","2","7","3","7","3","1") = "6"
    & skf21("5","5","2","7","3","7","4","1") = "6"
    & skf21("5","5","2","7","3","7","5","1") = "6"
    & skf21("5","5","2","7","3","7","6","1") = "6"
    & skf21("5","5","2","7","3","7","7","1") = "6"
    & skf21("5","5","2","7","4","1","1","1") = "6"
    & skf21("5","5","2","7","4","1","2","1") = "6"
    & skf21("5","5","2","7","4","1","3","1") = "6"
    & skf21("5","5","2","7","4","1","4","1") = "6"
    & skf21("5","5","2","7","4","1","5","1") = "6"
    & skf21("5","5","2","7","4","1","6","1") = "6"
    & skf21("5","5","2","7","4","1","7","1") = "6"
    & skf21("5","5","2","7","4","2","1","1") = "6"
    & skf21("5","5","2","7","4","2","2","1") = "6"
    & skf21("5","5","2","7","4","2","3","1") = "6"
    & skf21("5","5","2","7","4","2","4","1") = "6"
    & skf21("5","5","2","7","4","2","5","1") = "6"
    & skf21("5","5","2","7","4","2","6","1") = "6"
    & skf21("5","5","2","7","4","2","7","1") = "6"
    & skf21("5","5","2","7","4","3","1","1") = "6"
    & skf21("5","5","2","7","4","3","2","1") = "6"
    & skf21("5","5","2","7","4","3","3","1") = "6"
    & skf21("5","5","2","7","4","3","4","1") = "6"
    & skf21("5","5","2","7","4","3","5","1") = "6"
    & skf21("5","5","2","7","4","3","6","1") = "6"
    & skf21("5","5","2","7","4","3","7","1") = "6"
    & skf21("5","5","2","7","4","4","1","1") = "6"
    & skf21("5","5","2","7","4","4","2","1") = "6"
    & skf21("5","5","2","7","4","4","3","1") = "6"
    & skf21("5","5","2","7","4","4","4","1") = "6"
    & skf21("5","5","2","7","4","4","5","1") = "6"
    & skf21("5","5","2","7","4","4","6","1") = "6"
    & skf21("5","5","2","7","4","4","7","1") = "6"
    & skf21("5","5","2","7","4","5","1","1") = "6"
    & skf21("5","5","2","7","4","5","2","1") = "6"
    & skf21("5","5","2","7","4","5","3","1") = "6"
    & skf21("5","5","2","7","4","5","4","1") = "6"
    & skf21("5","5","2","7","4","5","5","1") = "6"
    & skf21("5","5","2","7","4","5","6","1") = "6"
    & skf21("5","5","2","7","4","5","7","1") = "6"
    & skf21("5","5","2","7","4","6","1","1") = "6"
    & skf21("5","5","2","7","4","6","2","1") = "6"
    & skf21("5","5","2","7","4","6","3","1") = "6"
    & skf21("5","5","2","7","4","6","4","1") = "6"
    & skf21("5","5","2","7","4","6","5","1") = "6"
    & skf21("5","5","2","7","4","6","6","1") = "6"
    & skf21("5","5","2","7","4","6","7","1") = "6"
    & skf21("5","5","2","7","4","7","1","1") = "6"
    & skf21("5","5","2","7","4","7","2","1") = "6"
    & skf21("5","5","2","7","4","7","3","1") = "6"
    & skf21("5","5","2","7","4","7","4","1") = "6"
    & skf21("5","5","2","7","4","7","5","1") = "6"
    & skf21("5","5","2","7","4","7","6","1") = "6"
    & skf21("5","5","2","7","4","7","7","1") = "6"
    & skf21("5","5","2","7","5","1","1","1") = "6"
    & skf21("5","5","2","7","5","1","2","1") = "6"
    & skf21("5","5","2","7","5","1","3","1") = "6"
    & skf21("5","5","2","7","5","1","4","1") = "6"
    & skf21("5","5","2","7","5","1","5","1") = "6"
    & skf21("5","5","2","7","5","1","6","1") = "6"
    & skf21("5","5","2","7","5","1","7","1") = "6"
    & skf21("5","5","2","7","5","2","1","1") = "6"
    & skf21("5","5","2","7","5","2","2","1") = "6"
    & skf21("5","5","2","7","5","2","3","1") = "6"
    & skf21("5","5","2","7","5","2","4","1") = "6"
    & skf21("5","5","2","7","5","2","5","1") = "6"
    & skf21("5","5","2","7","5","2","6","1") = "6"
    & skf21("5","5","2","7","5","2","7","1") = "6"
    & skf21("5","5","2","7","5","3","1","1") = "6"
    & skf21("5","5","2","7","5","3","2","1") = "6"
    & skf21("5","5","2","7","5","3","3","1") = "6"
    & skf21("5","5","2","7","5","3","4","1") = "6"
    & skf21("5","5","2","7","5","3","5","1") = "6"
    & skf21("5","5","2","7","5","3","6","1") = "6"
    & skf21("5","5","2","7","5","3","7","1") = "6"
    & skf21("5","5","2","7","5","4","1","1") = "6"
    & skf21("5","5","2","7","5","4","2","1") = "6"
    & skf21("5","5","2","7","5","4","3","1") = "6"
    & skf21("5","5","2","7","5","4","4","1") = "6"
    & skf21("5","5","2","7","5","4","5","1") = "6"
    & skf21("5","5","2","7","5","4","6","1") = "6"
    & skf21("5","5","2","7","5","4","7","1") = "6"
    & skf21("5","5","2","7","5","5","1","1") = "6"
    & skf21("5","5","2","7","5","5","2","1") = "6"
    & skf21("5","5","2","7","5","5","3","1") = "6"
    & skf21("5","5","2","7","5","5","4","1") = "6"
    & skf21("5","5","2","7","5","5","5","1") = "6"
    & skf21("5","5","2","7","5","5","6","1") = "6"
    & skf21("5","5","2","7","5","5","7","1") = "6"
    & skf21("5","5","2","7","5","6","1","1") = "6"
    & skf21("5","5","2","7","5","6","2","1") = "6"
    & skf21("5","5","2","7","5","6","3","1") = "6"
    & skf21("5","5","2","7","5","6","4","1") = "6"
    & skf21("5","5","2","7","5","6","5","1") = "6"
    & skf21("5","5","2","7","5","6","6","1") = "6"
    & skf21("5","5","2","7","5","6","7","1") = "6"
    & skf21("5","5","2","7","5","7","1","1") = "6"
    & skf21("5","5","2","7","5","7","2","1") = "6"
    & skf21("5","5","2","7","5","7","3","1") = "6"
    & skf21("5","5","2","7","5","7","4","1") = "6"
    & skf21("5","5","2","7","5","7","5","1") = "6"
    & skf21("5","5","2","7","5","7","6","1") = "6"
    & skf21("5","5","2","7","5","7","7","1") = "6"
    & skf21("5","5","2","7","6","1","1","1") = "6"
    & skf21("5","5","2","7","6","1","2","1") = "6"
    & skf21("5","5","2","7","6","1","3","1") = "6"
    & skf21("5","5","2","7","6","1","4","1") = "6"
    & skf21("5","5","2","7","6","1","5","1") = "6"
    & skf21("5","5","2","7","6","1","6","1") = "6"
    & skf21("5","5","2","7","6","1","7","1") = "6"
    & skf21("5","5","2","7","6","2","1","1") = "6"
    & skf21("5","5","2","7","6","2","2","1") = "6"
    & skf21("5","5","2","7","6","2","3","1") = "6"
    & skf21("5","5","2","7","6","2","4","1") = "6"
    & skf21("5","5","2","7","6","2","5","1") = "6"
    & skf21("5","5","2","7","6","2","6","1") = "6"
    & skf21("5","5","2","7","6","2","7","1") = "6"
    & skf21("5","5","2","7","6","3","1","1") = "6"
    & skf21("5","5","2","7","6","3","2","1") = "6"
    & skf21("5","5","2","7","6","3","3","1") = "6"
    & skf21("5","5","2","7","6","3","4","1") = "6"
    & skf21("5","5","2","7","6","3","5","1") = "6"
    & skf21("5","5","2","7","6","3","6","1") = "6"
    & skf21("5","5","2","7","6","3","7","1") = "6"
    & skf21("5","5","2","7","6","4","1","1") = "6"
    & skf21("5","5","2","7","6","4","2","1") = "6"
    & skf21("5","5","2","7","6","4","3","1") = "6"
    & skf21("5","5","2","7","6","4","4","1") = "6"
    & skf21("5","5","2","7","6","4","5","1") = "6"
    & skf21("5","5","2","7","6","4","6","1") = "6"
    & skf21("5","5","2","7","6","4","7","1") = "6"
    & skf21("5","5","2","7","6","5","1","1") = "6"
    & skf21("5","5","2","7","6","5","2","1") = "6"
    & skf21("5","5","2","7","6","5","3","1") = "6"
    & skf21("5","5","2","7","6","5","4","1") = "6"
    & skf21("5","5","2","7","6","5","5","1") = "6"
    & skf21("5","5","2","7","6","5","6","1") = "6"
    & skf21("5","5","2","7","6","5","7","1") = "6"
    & skf21("5","5","2","7","6","6","1","1") = "6"
    & skf21("5","5","2","7","6","6","2","1") = "6"
    & skf21("5","5","2","7","6","6","3","1") = "6"
    & skf21("5","5","2","7","6","6","4","1") = "6"
    & skf21("5","5","2","7","6","6","5","1") = "6"
    & skf21("5","5","2","7","6","6","6","1") = "6"
    & skf21("5","5","2","7","6","6","7","1") = "6"
    & skf21("5","5","2","7","6","7","1","1") = "6"
    & skf21("5","5","2","7","6","7","2","1") = "6"
    & skf21("5","5","2","7","6","7","3","1") = "6"
    & skf21("5","5","2","7","6","7","4","1") = "6"
    & skf21("5","5","2","7","6","7","5","1") = "6"
    & skf21("5","5","2","7","6","7","6","1") = "6"
    & skf21("5","5","2","7","6","7","7","1") = "6"
    & skf21("5","5","2","7","7","1","1","1") = "6"
    & skf21("5","5","2","7","7","1","2","1") = "6"
    & skf21("5","5","2","7","7","1","3","1") = "6"
    & skf21("5","5","2","7","7","1","4","1") = "6"
    & skf21("5","5","2","7","7","1","5","1") = "6"
    & skf21("5","5","2","7","7","1","6","1") = "6"
    & skf21("5","5","2","7","7","1","7","1") = "6"
    & skf21("5","5","2","7","7","2","1","1") = "6"
    & skf21("5","5","2","7","7","2","2","1") = "6"
    & skf21("5","5","2","7","7","2","3","1") = "6"
    & skf21("5","5","2","7","7","2","4","1") = "6"
    & skf21("5","5","2","7","7","2","5","1") = "6"
    & skf21("5","5","2","7","7","2","6","1") = "6"
    & skf21("5","5","2","7","7","2","7","1") = "6"
    & skf21("5","5","2","7","7","3","1","1") = "6"
    & skf21("5","5","2","7","7","3","2","1") = "6"
    & skf21("5","5","2","7","7","3","3","1") = "6"
    & skf21("5","5","2","7","7","3","4","1") = "6"
    & skf21("5","5","2","7","7","3","5","1") = "6"
    & skf21("5","5","2","7","7","3","6","1") = "6"
    & skf21("5","5","2","7","7","3","7","1") = "6"
    & skf21("5","5","2","7","7","4","1","1") = "6"
    & skf21("5","5","2","7","7","4","2","1") = "6"
    & skf21("5","5","2","7","7","4","3","1") = "6"
    & skf21("5","5","2","7","7","4","4","1") = "6"
    & skf21("5","5","2","7","7","4","5","1") = "6"
    & skf21("5","5","2","7","7","4","6","1") = "6"
    & skf21("5","5","2","7","7","4","7","1") = "6"
    & skf21("5","5","2","7","7","5","1","1") = "6"
    & skf21("5","5","2","7","7","5","2","1") = "6"
    & skf21("5","5","2","7","7","5","3","1") = "6"
    & skf21("5","5","2","7","7","5","4","1") = "6"
    & skf21("5","5","2","7","7","5","5","1") = "6"
    & skf21("5","5","2","7","7","5","6","1") = "6"
    & skf21("5","5","2","7","7","5","7","1") = "6"
    & skf21("5","5","2","7","7","6","1","1") = "6"
    & skf21("5","5","2","7","7","6","2","1") = "6"
    & skf21("5","5","2","7","7","6","3","1") = "6"
    & skf21("5","5","2","7","7","6","4","1") = "6"
    & skf21("5","5","2","7","7","6","5","1") = "6"
    & skf21("5","5","2","7","7","6","6","1") = "6"
    & skf21("5","5","2","7","7","6","7","1") = "6"
    & skf21("5","5","2","7","7","7","1","1") = "6"
    & skf21("5","5","2","7","7","7","2","1") = "6"
    & skf21("5","5","2","7","7","7","3","1") = "6"
    & skf21("5","5","2","7","7","7","4","1") = "6"
    & skf21("5","5","2","7","7","7","5","1") = "6"
    & skf21("5","5","2","7","7","7","6","1") = "6"
    & skf21("5","5","2","7","7","7","7","1") = "6"
    & skf21("5","5","3","1","1","1","1","1") = "4"
    & skf21("5","5","3","1","1","1","2","1") = "4"
    & skf21("5","5","3","1","1","1","3","1") = "4"
    & skf21("5","5","3","1","1","1","4","1") = "4"
    & skf21("5","5","3","1","1","1","5","1") = "4"
    & skf21("5","5","3","1","1","1","6","1") = "5"
    & skf21("5","5","3","1","1","1","7","1") = "6"
    & skf21("5","5","3","1","1","2","1","1") = "4"
    & skf21("5","5","3","1","1","2","2","1") = "4"
    & skf21("5","5","3","1","1","2","3","1") = "4"
    & skf21("5","5","3","1","1","2","4","1") = "4"
    & skf21("5","5","3","1","1","2","5","1") = "4"
    & skf21("5","5","3","1","1","2","6","1") = "5"
    & skf21("5","5","3","1","1","2","7","1") = "6"
    & skf21("5","5","3","1","1","3","1","1") = "4"
    & skf21("5","5","3","1","1","3","2","1") = "4"
    & skf21("5","5","3","1","1","3","3","1") = "4"
    & skf21("5","5","3","1","1","3","4","1") = "4"
    & skf21("5","5","3","1","1","3","5","1") = "4"
    & skf21("5","5","3","1","1","3","6","1") = "5"
    & skf21("5","5","3","1","1","3","7","1") = "6"
    & skf21("5","5","3","1","1","4","1","1") = "4"
    & skf21("5","5","3","1","1","4","2","1") = "4"
    & skf21("5","5","3","1","1","4","3","1") = "4"
    & skf21("5","5","3","1","1","4","4","1") = "4"
    & skf21("5","5","3","1","1","4","5","1") = "4"
    & skf21("5","5","3","1","1","4","6","1") = "5"
    & skf21("5","5","3","1","1","4","7","1") = "6"
    & skf21("5","5","3","1","1","5","1","1") = "4"
    & skf21("5","5","3","1","1","5","2","1") = "4"
    & skf21("5","5","3","1","1","5","3","1") = "4"
    & skf21("5","5","3","1","1","5","4","1") = "4"
    & skf21("5","5","3","1","1","5","5","1") = "4"
    & skf21("5","5","3","1","1","5","6","1") = "5"
    & skf21("5","5","3","1","1","5","7","1") = "6"
    & skf21("5","5","3","1","1","6","1","1") = "5"
    & skf21("5","5","3","1","1","6","2","1") = "5"
    & skf21("5","5","3","1","1","6","3","1") = "5"
    & skf21("5","5","3","1","1","6","4","1") = "5"
    & skf21("5","5","3","1","1","6","5","1") = "5"
    & skf21("5","5","3","1","1","6","6","1") = "5"
    & skf21("5","5","3","1","1","6","7","1") = "6"
    & skf21("5","5","3","1","1","7","1","1") = "6"
    & skf21("5","5","3","1","1","7","2","1") = "6"
    & skf21("5","5","3","1","1","7","3","1") = "6"
    & skf21("5","5","3","1","1","7","4","1") = "6"
    & skf21("5","5","3","1","1","7","5","1") = "6"
    & skf21("5","5","3","1","1","7","6","1") = "6"
    & skf21("5","5","3","1","1","7","7","1") = "6"
    & skf21("5","5","3","1","2","1","1","1") = "4"
    & skf21("5","5","3","1","2","1","2","1") = "4"
    & skf21("5","5","3","1","2","1","3","1") = "4"
    & skf21("5","5","3","1","2","1","4","1") = "4"
    & skf21("5","5","3","1","2","1","5","1") = "4"
    & skf21("5","5","3","1","2","1","6","1") = "5"
    & skf21("5","5","3","1","2","1","7","1") = "6"
    & skf21("5","5","3","1","2","2","1","1") = "4"
    & skf21("5","5","3","1","2","2","2","1") = "4"
    & skf21("5","5","3","1","2","2","3","1") = "4"
    & skf21("5","5","3","1","2","2","4","1") = "4"
    & skf21("5","5","3","1","2","2","5","1") = "4"
    & skf21("5","5","3","1","2","2","6","1") = "5"
    & skf21("5","5","3","1","2","2","7","1") = "6"
    & skf21("5","5","3","1","2","3","1","1") = "4"
    & skf21("5","5","3","1","2","3","2","1") = "4"
    & skf21("5","5","3","1","2","3","3","1") = "4"
    & skf21("5","5","3","1","2","3","4","1") = "4"
    & skf21("5","5","3","1","2","3","5","1") = "4"
    & skf21("5","5","3","1","2","3","6","1") = "5"
    & skf21("5","5","3","1","2","3","7","1") = "6"
    & skf21("5","5","3","1","2","4","1","1") = "4"
    & skf21("5","5","3","1","2","4","2","1") = "4"
    & skf21("5","5","3","1","2","4","3","1") = "4"
    & skf21("5","5","3","1","2","4","4","1") = "4"
    & skf21("5","5","3","1","2","4","5","1") = "4"
    & skf21("5","5","3","1","2","4","6","1") = "5"
    & skf21("5","5","3","1","2","4","7","1") = "6"
    & skf21("5","5","3","1","2","5","1","1") = "4"
    & skf21("5","5","3","1","2","5","2","1") = "4"
    & skf21("5","5","3","1","2","5","3","1") = "4"
    & skf21("5","5","3","1","2","5","4","1") = "4"
    & skf21("5","5","3","1","2","5","5","1") = "4"
    & skf21("5","5","3","1","2","5","6","1") = "5"
    & skf21("5","5","3","1","2","5","7","1") = "6"
    & skf21("5","5","3","1","2","6","1","1") = "5"
    & skf21("5","5","3","1","2","6","2","1") = "5"
    & skf21("5","5","3","1","2","6","3","1") = "5"
    & skf21("5","5","3","1","2","6","4","1") = "5"
    & skf21("5","5","3","1","2","6","5","1") = "5"
    & skf21("5","5","3","1","2","6","6","1") = "5"
    & skf21("5","5","3","1","2","6","7","1") = "6"
    & skf21("5","5","3","1","2","7","1","1") = "6"
    & skf21("5","5","3","1","2","7","2","1") = "6"
    & skf21("5","5","3","1","2","7","3","1") = "6"
    & skf21("5","5","3","1","2","7","4","1") = "6"
    & skf21("5","5","3","1","2","7","5","1") = "6"
    & skf21("5","5","3","1","2","7","6","1") = "6"
    & skf21("5","5","3","1","2","7","7","1") = "6"
    & skf21("5","5","3","1","3","1","1","1") = "4"
    & skf21("5","5","3","1","3","1","2","1") = "4"
    & skf21("5","5","3","1","3","1","3","1") = "4"
    & skf21("5","5","3","1","3","1","4","1") = "4"
    & skf21("5","5","3","1","3","1","5","1") = "4"
    & skf21("5","5","3","1","3","1","6","1") = "5"
    & skf21("5","5","3","1","3","1","7","1") = "6"
    & skf21("5","5","3","1","3","2","1","1") = "4"
    & skf21("5","5","3","1","3","2","2","1") = "4"
    & skf21("5","5","3","1","3","2","3","1") = "4"
    & skf21("5","5","3","1","3","2","4","1") = "4"
    & skf21("5","5","3","1","3","2","5","1") = "4"
    & skf21("5","5","3","1","3","2","6","1") = "5"
    & skf21("5","5","3","1","3","2","7","1") = "6"
    & skf21("5","5","3","1","3","3","1","1") = "4"
    & skf21("5","5","3","1","3","3","2","1") = "4"
    & skf21("5","5","3","1","3","3","3","1") = "4"
    & skf21("5","5","3","1","3","3","4","1") = "4"
    & skf21("5","5","3","1","3","3","5","1") = "4"
    & skf21("5","5","3","1","3","3","6","1") = "5"
    & skf21("5","5","3","1","3","3","7","1") = "6"
    & skf21("5","5","3","1","3","4","1","1") = "4"
    & skf21("5","5","3","1","3","4","2","1") = "4"
    & skf21("5","5","3","1","3","4","3","1") = "4"
    & skf21("5","5","3","1","3","4","4","1") = "4"
    & skf21("5","5","3","1","3","4","5","1") = "4"
    & skf21("5","5","3","1","3","4","6","1") = "5"
    & skf21("5","5","3","1","3","4","7","1") = "6"
    & skf21("5","5","3","1","3","5","1","1") = "4"
    & skf21("5","5","3","1","3","5","2","1") = "4"
    & skf21("5","5","3","1","3","5","3","1") = "4"
    & skf21("5","5","3","1","3","5","4","1") = "4"
    & skf21("5","5","3","1","3","5","5","1") = "4"
    & skf21("5","5","3","1","3","5","6","1") = "5"
    & skf21("5","5","3","1","3","5","7","1") = "6"
    & skf21("5","5","3","1","3","6","1","1") = "5"
    & skf21("5","5","3","1","3","6","2","1") = "5"
    & skf21("5","5","3","1","3","6","3","1") = "5"
    & skf21("5","5","3","1","3","6","4","1") = "5"
    & skf21("5","5","3","1","3","6","5","1") = "5"
    & skf21("5","5","3","1","3","6","6","1") = "5"
    & skf21("5","5","3","1","3","6","7","1") = "6"
    & skf21("5","5","3","1","3","7","1","1") = "6"
    & skf21("5","5","3","1","3","7","2","1") = "6"
    & skf21("5","5","3","1","3","7","3","1") = "6"
    & skf21("5","5","3","1","3","7","4","1") = "6"
    & skf21("5","5","3","1","3","7","5","1") = "6"
    & skf21("5","5","3","1","3","7","6","1") = "6"
    & skf21("5","5","3","1","3","7","7","1") = "6"
    & skf21("5","5","3","1","4","1","1","1") = "4"
    & skf21("5","5","3","1","4","1","2","1") = "4"
    & skf21("5","5","3","1","4","1","3","1") = "4"
    & skf21("5","5","3","1","4","1","4","1") = "4"
    & skf21("5","5","3","1","4","1","5","1") = "4"
    & skf21("5","5","3","1","4","1","6","1") = "5"
    & skf21("5","5","3","1","4","1","7","1") = "6"
    & skf21("5","5","3","1","4","2","1","1") = "4"
    & skf21("5","5","3","1","4","2","2","1") = "4"
    & skf21("5","5","3","1","4","2","3","1") = "4"
    & skf21("5","5","3","1","4","2","4","1") = "4"
    & skf21("5","5","3","1","4","2","5","1") = "4"
    & skf21("5","5","3","1","4","2","6","1") = "5"
    & skf21("5","5","3","1","4","2","7","1") = "6"
    & skf21("5","5","3","1","4","3","1","1") = "4"
    & skf21("5","5","3","1","4","3","2","1") = "4"
    & skf21("5","5","3","1","4","3","3","1") = "4"
    & skf21("5","5","3","1","4","3","4","1") = "4"
    & skf21("5","5","3","1","4","3","5","1") = "4"
    & skf21("5","5","3","1","4","3","6","1") = "5"
    & skf21("5","5","3","1","4","3","7","1") = "6"
    & skf21("5","5","3","1","4","4","1","1") = "4"
    & skf21("5","5","3","1","4","4","2","1") = "4"
    & skf21("5","5","3","1","4","4","3","1") = "4"
    & skf21("5","5","3","1","4","4","4","1") = "4"
    & skf21("5","5","3","1","4","4","5","1") = "4"
    & skf21("5","5","3","1","4","4","6","1") = "5"
    & skf21("5","5","3","1","4","4","7","1") = "6"
    & skf21("5","5","3","1","4","5","1","1") = "4"
    & skf21("5","5","3","1","4","5","2","1") = "4"
    & skf21("5","5","3","1","4","5","3","1") = "4"
    & skf21("5","5","3","1","4","5","4","1") = "4"
    & skf21("5","5","3","1","4","5","5","1") = "4"
    & skf21("5","5","3","1","4","5","6","1") = "5"
    & skf21("5","5","3","1","4","5","7","1") = "6"
    & skf21("5","5","3","1","4","6","1","1") = "5"
    & skf21("5","5","3","1","4","6","2","1") = "5"
    & skf21("5","5","3","1","4","6","3","1") = "5"
    & skf21("5","5","3","1","4","6","4","1") = "5"
    & skf21("5","5","3","1","4","6","5","1") = "5"
    & skf21("5","5","3","1","4","6","6","1") = "5"
    & skf21("5","5","3","1","4","6","7","1") = "6"
    & skf21("5","5","3","1","4","7","1","1") = "6"
    & skf21("5","5","3","1","4","7","2","1") = "6"
    & skf21("5","5","3","1","4","7","3","1") = "6"
    & skf21("5","5","3","1","4","7","4","1") = "6"
    & skf21("5","5","3","1","4","7","5","1") = "6"
    & skf21("5","5","3","1","4","7","6","1") = "6"
    & skf21("5","5","3","1","4","7","7","1") = "6"
    & skf21("5","5","3","1","5","1","1","1") = "4"
    & skf21("5","5","3","1","5","1","2","1") = "4"
    & skf21("5","5","3","1","5","1","3","1") = "4"
    & skf21("5","5","3","1","5","1","4","1") = "4"
    & skf21("5","5","3","1","5","1","5","1") = "4"
    & skf21("5","5","3","1","5","1","6","1") = "5"
    & skf21("5","5","3","1","5","1","7","1") = "6"
    & skf21("5","5","3","1","5","2","1","1") = "4"
    & skf21("5","5","3","1","5","2","2","1") = "4"
    & skf21("5","5","3","1","5","2","3","1") = "4"
    & skf21("5","5","3","1","5","2","4","1") = "4"
    & skf21("5","5","3","1","5","2","5","1") = "4"
    & skf21("5","5","3","1","5","2","6","1") = "5"
    & skf21("5","5","3","1","5","2","7","1") = "6"
    & skf21("5","5","3","1","5","3","1","1") = "4"
    & skf21("5","5","3","1","5","3","2","1") = "4"
    & skf21("5","5","3","1","5","3","3","1") = "4"
    & skf21("5","5","3","1","5","3","4","1") = "4"
    & skf21("5","5","3","1","5","3","5","1") = "4"
    & skf21("5","5","3","1","5","3","6","1") = "5"
    & skf21("5","5","3","1","5","3","7","1") = "6"
    & skf21("5","5","3","1","5","4","1","1") = "4"
    & skf21("5","5","3","1","5","4","2","1") = "4"
    & skf21("5","5","3","1","5","4","3","1") = "4"
    & skf21("5","5","3","1","5","4","4","1") = "4"
    & skf21("5","5","3","1","5","4","5","1") = "4"
    & skf21("5","5","3","1","5","4","6","1") = "5"
    & skf21("5","5","3","1","5","4","7","1") = "6"
    & skf21("5","5","3","1","5","5","1","1") = "4"
    & skf21("5","5","3","1","5","5","2","1") = "4"
    & skf21("5","5","3","1","5","5","3","1") = "4"
    & skf21("5","5","3","1","5","5","4","1") = "4"
    & skf21("5","5","3","1","5","5","5","1") = "4"
    & skf21("5","5","3","1","5","5","6","1") = "5"
    & skf21("5","5","3","1","5","5","7","1") = "6"
    & skf21("5","5","3","1","5","6","1","1") = "5"
    & skf21("5","5","3","1","5","6","2","1") = "5"
    & skf21("5","5","3","1","5","6","3","1") = "5"
    & skf21("5","5","3","1","5","6","4","1") = "5"
    & skf21("5","5","3","1","5","6","5","1") = "5"
    & skf21("5","5","3","1","5","6","6","1") = "5"
    & skf21("5","5","3","1","5","6","7","1") = "6"
    & skf21("5","5","3","1","5","7","1","1") = "6"
    & skf21("5","5","3","1","5","7","2","1") = "6"
    & skf21("5","5","3","1","5","7","3","1") = "6"
    & skf21("5","5","3","1","5","7","4","1") = "6"
    & skf21("5","5","3","1","5","7","5","1") = "6"
    & skf21("5","5","3","1","5","7","6","1") = "6"
    & skf21("5","5","3","1","5","7","7","1") = "6"
    & skf21("5","5","3","1","6","1","1","1") = "5"
    & skf21("5","5","3","1","6","1","2","1") = "5"
    & skf21("5","5","3","1","6","1","3","1") = "5"
    & skf21("5","5","3","1","6","1","4","1") = "5"
    & skf21("5","5","3","1","6","1","5","1") = "5"
    & skf21("5","5","3","1","6","1","6","1") = "5"
    & skf21("5","5","3","1","6","1","7","1") = "6"
    & skf21("5","5","3","1","6","2","1","1") = "5"
    & skf21("5","5","3","1","6","2","2","1") = "5"
    & skf21("5","5","3","1","6","2","3","1") = "5"
    & skf21("5","5","3","1","6","2","4","1") = "5"
    & skf21("5","5","3","1","6","2","5","1") = "5"
    & skf21("5","5","3","1","6","2","6","1") = "5"
    & skf21("5","5","3","1","6","2","7","1") = "6"
    & skf21("5","5","3","1","6","3","1","1") = "5"
    & skf21("5","5","3","1","6","3","2","1") = "5"
    & skf21("5","5","3","1","6","3","3","1") = "5"
    & skf21("5","5","3","1","6","3","4","1") = "5"
    & skf21("5","5","3","1","6","3","5","1") = "5"
    & skf21("5","5","3","1","6","3","6","1") = "5"
    & skf21("5","5","3","1","6","3","7","1") = "6"
    & skf21("5","5","3","1","6","4","1","1") = "5"
    & skf21("5","5","3","1","6","4","2","1") = "5"
    & skf21("5","5","3","1","6","4","3","1") = "5"
    & skf21("5","5","3","1","6","4","4","1") = "5"
    & skf21("5","5","3","1","6","4","5","1") = "5"
    & skf21("5","5","3","1","6","4","6","1") = "5"
    & skf21("5","5","3","1","6","4","7","1") = "6"
    & skf21("5","5","3","1","6","5","1","1") = "5"
    & skf21("5","5","3","1","6","5","2","1") = "5"
    & skf21("5","5","3","1","6","5","3","1") = "5"
    & skf21("5","5","3","1","6","5","4","1") = "5"
    & skf21("5","5","3","1","6","5","5","1") = "5"
    & skf21("5","5","3","1","6","5","6","1") = "5"
    & skf21("5","5","3","1","6","5","7","1") = "6"
    & skf21("5","5","3","1","6","6","1","1") = "5"
    & skf21("5","5","3","1","6","6","2","1") = "5"
    & skf21("5","5","3","1","6","6","3","1") = "5"
    & skf21("5","5","3","1","6","6","4","1") = "5"
    & skf21("5","5","3","1","6","6","5","1") = "5"
    & skf21("5","5","3","1","6","6","6","1") = "5"
    & skf21("5","5","3","1","6","6","7","1") = "6"
    & skf21("5","5","3","1","6","7","1","1") = "6"
    & skf21("5","5","3","1","6","7","2","1") = "6"
    & skf21("5","5","3","1","6","7","3","1") = "6"
    & skf21("5","5","3","1","6","7","4","1") = "6"
    & skf21("5","5","3","1","6","7","5","1") = "6"
    & skf21("5","5","3","1","6","7","6","1") = "6"
    & skf21("5","5","3","1","6","7","7","1") = "6"
    & skf21("5","5","3","1","7","1","1","1") = "6"
    & skf21("5","5","3","1","7","1","2","1") = "6"
    & skf21("5","5","3","1","7","1","3","1") = "6"
    & skf21("5","5","3","1","7","1","4","1") = "6"
    & skf21("5","5","3","1","7","1","5","1") = "6"
    & skf21("5","5","3","1","7","1","6","1") = "6"
    & skf21("5","5","3","1","7","1","7","1") = "6"
    & skf21("5","5","3","1","7","2","1","1") = "6"
    & skf21("5","5","3","1","7","2","2","1") = "6"
    & skf21("5","5","3","1","7","2","3","1") = "6"
    & skf21("5","5","3","1","7","2","4","1") = "6"
    & skf21("5","5","3","1","7","2","5","1") = "6"
    & skf21("5","5","3","1","7","2","6","1") = "6"
    & skf21("5","5","3","1","7","2","7","1") = "6"
    & skf21("5","5","3","1","7","3","1","1") = "6"
    & skf21("5","5","3","1","7","3","2","1") = "6"
    & skf21("5","5","3","1","7","3","3","1") = "6"
    & skf21("5","5","3","1","7","3","4","1") = "6"
    & skf21("5","5","3","1","7","3","5","1") = "6"
    & skf21("5","5","3","1","7","3","6","1") = "6"
    & skf21("5","5","3","1","7","3","7","1") = "6"
    & skf21("5","5","3","1","7","4","1","1") = "6"
    & skf21("5","5","3","1","7","4","2","1") = "6"
    & skf21("5","5","3","1","7","4","3","1") = "6"
    & skf21("5","5","3","1","7","4","4","1") = "6"
    & skf21("5","5","3","1","7","4","5","1") = "6"
    & skf21("5","5","3","1","7","4","6","1") = "6"
    & skf21("5","5","3","1","7","4","7","1") = "6"
    & skf21("5","5","3","1","7","5","1","1") = "6"
    & skf21("5","5","3","1","7","5","2","1") = "6"
    & skf21("5","5","3","1","7","5","3","1") = "6"
    & skf21("5","5","3","1","7","5","4","1") = "6"
    & skf21("5","5","3","1","7","5","5","1") = "6"
    & skf21("5","5","3","1","7","5","6","1") = "6"
    & skf21("5","5","3","1","7","5","7","1") = "6"
    & skf21("5","5","3","1","7","6","1","1") = "6"
    & skf21("5","5","3","1","7","6","2","1") = "6"
    & skf21("5","5","3","1","7","6","3","1") = "6"
    & skf21("5","5","3","1","7","6","4","1") = "6"
    & skf21("5","5","3","1","7","6","5","1") = "6"
    & skf21("5","5","3","1","7","6","6","1") = "6"
    & skf21("5","5","3","1","7","6","7","1") = "6"
    & skf21("5","5","3","1","7","7","1","1") = "6"
    & skf21("5","5","3","1","7","7","2","1") = "6"
    & skf21("5","5","3","1","7","7","3","1") = "6"
    & skf21("5","5","3","1","7","7","4","1") = "6"
    & skf21("5","5","3","1","7","7","5","1") = "6"
    & skf21("5","5","3","1","7","7","6","1") = "6"
    & skf21("5","5","3","1","7","7","7","1") = "6"
    & skf21("5","5","3","2","1","1","1","1") = "4"
    & skf21("5","5","3","2","1","1","2","1") = "4"
    & skf21("5","5","3","2","1","1","3","1") = "4"
    & skf21("5","5","3","2","1","1","4","1") = "4"
    & skf21("5","5","3","2","1","1","5","1") = "4"
    & skf21("5","5","3","2","1","1","6","1") = "5"
    & skf21("5","5","3","2","1","1","7","1") = "6"
    & skf21("5","5","3","2","1","2","1","1") = "4"
    & skf21("5","5","3","2","1","2","2","1") = "4"
    & skf21("5","5","3","2","1","2","3","1") = "4"
    & skf21("5","5","3","2","1","2","4","1") = "4"
    & skf21("5","5","3","2","1","2","5","1") = "4"
    & skf21("5","5","3","2","1","2","6","1") = "5"
    & skf21("5","5","3","2","1","2","7","1") = "6"
    & skf21("5","5","3","2","1","3","1","1") = "4"
    & skf21("5","5","3","2","1","3","2","1") = "4"
    & skf21("5","5","3","2","1","3","3","1") = "4"
    & skf21("5","5","3","2","1","3","4","1") = "4"
    & skf21("5","5","3","2","1","3","5","1") = "4"
    & skf21("5","5","3","2","1","3","6","1") = "5"
    & skf21("5","5","3","2","1","3","7","1") = "6"
    & skf21("5","5","3","2","1","4","1","1") = "4"
    & skf21("5","5","3","2","1","4","2","1") = "4"
    & skf21("5","5","3","2","1","4","3","1") = "4"
    & skf21("5","5","3","2","1","4","4","1") = "4"
    & skf21("5","5","3","2","1","4","5","1") = "4"
    & skf21("5","5","3","2","1","4","6","1") = "5"
    & skf21("5","5","3","2","1","4","7","1") = "6"
    & skf21("5","5","3","2","1","5","1","1") = "4"
    & skf21("5","5","3","2","1","5","2","1") = "4"
    & skf21("5","5","3","2","1","5","3","1") = "4"
    & skf21("5","5","3","2","1","5","4","1") = "4"
    & skf21("5","5","3","2","1","5","5","1") = "4"
    & skf21("5","5","3","2","1","5","6","1") = "5"
    & skf21("5","5","3","2","1","5","7","1") = "6"
    & skf21("5","5","3","2","1","6","1","1") = "5"
    & skf21("5","5","3","2","1","6","2","1") = "5"
    & skf21("5","5","3","2","1","6","3","1") = "5"
    & skf21("5","5","3","2","1","6","4","1") = "5"
    & skf21("5","5","3","2","1","6","5","1") = "5"
    & skf21("5","5","3","2","1","6","6","1") = "5"
    & skf21("5","5","3","2","1","6","7","1") = "6"
    & skf21("5","5","3","2","1","7","1","1") = "6"
    & skf21("5","5","3","2","1","7","2","1") = "6"
    & skf21("5","5","3","2","1","7","3","1") = "6"
    & skf21("5","5","3","2","1","7","4","1") = "6"
    & skf21("5","5","3","2","1","7","5","1") = "6"
    & skf21("5","5","3","2","1","7","6","1") = "6"
    & skf21("5","5","3","2","1","7","7","1") = "6"
    & skf21("5","5","3","2","2","1","1","1") = "4"
    & skf21("5","5","3","2","2","1","2","1") = "4"
    & skf21("5","5","3","2","2","1","3","1") = "4"
    & skf21("5","5","3","2","2","1","4","1") = "4"
    & skf21("5","5","3","2","2","1","5","1") = "4"
    & skf21("5","5","3","2","2","1","6","1") = "5"
    & skf21("5","5","3","2","2","1","7","1") = "6"
    & skf21("5","5","3","2","2","2","1","1") = "4"
    & skf21("5","5","3","2","2","2","2","1") = "4"
    & skf21("5","5","3","2","2","2","3","1") = "4"
    & skf21("5","5","3","2","2","2","4","1") = "4"
    & skf21("5","5","3","2","2","2","5","1") = "4"
    & skf21("5","5","3","2","2","2","6","1") = "5"
    & skf21("5","5","3","2","2","2","7","1") = "6"
    & skf21("5","5","3","2","2","3","1","1") = "4"
    & skf21("5","5","3","2","2","3","2","1") = "4"
    & skf21("5","5","3","2","2","3","3","1") = "4"
    & skf21("5","5","3","2","2","3","4","1") = "4"
    & skf21("5","5","3","2","2","3","5","1") = "4"
    & skf21("5","5","3","2","2","3","6","1") = "5"
    & skf21("5","5","3","2","2","3","7","1") = "6"
    & skf21("5","5","3","2","2","4","1","1") = "4"
    & skf21("5","5","3","2","2","4","2","1") = "4"
    & skf21("5","5","3","2","2","4","3","1") = "4"
    & skf21("5","5","3","2","2","4","4","1") = "4"
    & skf21("5","5","3","2","2","4","5","1") = "4"
    & skf21("5","5","3","2","2","4","6","1") = "5"
    & skf21("5","5","3","2","2","4","7","1") = "6"
    & skf21("5","5","3","2","2","5","1","1") = "4"
    & skf21("5","5","3","2","2","5","2","1") = "4"
    & skf21("5","5","3","2","2","5","3","1") = "4"
    & skf21("5","5","3","2","2","5","4","1") = "4"
    & skf21("5","5","3","2","2","5","5","1") = "4"
    & skf21("5","5","3","2","2","5","6","1") = "5"
    & skf21("5","5","3","2","2","5","7","1") = "6"
    & skf21("5","5","3","2","2","6","1","1") = "5"
    & skf21("5","5","3","2","2","6","2","1") = "5"
    & skf21("5","5","3","2","2","6","3","1") = "5"
    & skf21("5","5","3","2","2","6","4","1") = "5"
    & skf21("5","5","3","2","2","6","5","1") = "5"
    & skf21("5","5","3","2","2","6","6","1") = "5"
    & skf21("5","5","3","2","2","6","7","1") = "6"
    & skf21("5","5","3","2","2","7","1","1") = "6"
    & skf21("5","5","3","2","2","7","2","1") = "6"
    & skf21("5","5","3","2","2","7","3","1") = "6"
    & skf21("5","5","3","2","2","7","4","1") = "6"
    & skf21("5","5","3","2","2","7","5","1") = "6"
    & skf21("5","5","3","2","2","7","6","1") = "6"
    & skf21("5","5","3","2","2","7","7","1") = "6"
    & skf21("5","5","3","2","3","1","1","1") = "4"
    & skf21("5","5","3","2","3","1","2","1") = "4"
    & skf21("5","5","3","2","3","1","3","1") = "4"
    & skf21("5","5","3","2","3","1","4","1") = "4"
    & skf21("5","5","3","2","3","1","5","1") = "4"
    & skf21("5","5","3","2","3","1","6","1") = "5"
    & skf21("5","5","3","2","3","1","7","1") = "6"
    & skf21("5","5","3","2","3","2","1","1") = "4"
    & skf21("5","5","3","2","3","2","2","1") = "4"
    & skf21("5","5","3","2","3","2","3","1") = "4"
    & skf21("5","5","3","2","3","2","4","1") = "4"
    & skf21("5","5","3","2","3","2","5","1") = "4"
    & skf21("5","5","3","2","3","2","6","1") = "5"
    & skf21("5","5","3","2","3","2","7","1") = "6"
    & skf21("5","5","3","2","3","3","1","1") = "4"
    & skf21("5","5","3","2","3","3","2","1") = "4"
    & skf21("5","5","3","2","3","3","3","1") = "4"
    & skf21("5","5","3","2","3","3","4","1") = "4"
    & skf21("5","5","3","2","3","3","5","1") = "4"
    & skf21("5","5","3","2","3","3","6","1") = "5"
    & skf21("5","5","3","2","3","3","7","1") = "6"
    & skf21("5","5","3","2","3","4","1","1") = "4"
    & skf21("5","5","3","2","3","4","2","1") = "4"
    & skf21("5","5","3","2","3","4","3","1") = "4"
    & skf21("5","5","3","2","3","4","4","1") = "4"
    & skf21("5","5","3","2","3","4","5","1") = "4"
    & skf21("5","5","3","2","3","4","6","1") = "5"
    & skf21("5","5","3","2","3","4","7","1") = "6"
    & skf21("5","5","3","2","3","5","1","1") = "4"
    & skf21("5","5","3","2","3","5","2","1") = "4"
    & skf21("5","5","3","2","3","5","3","1") = "4"
    & skf21("5","5","3","2","3","5","4","1") = "4"
    & skf21("5","5","3","2","3","5","5","1") = "4"
    & skf21("5","5","3","2","3","5","6","1") = "5"
    & skf21("5","5","3","2","3","5","7","1") = "6"
    & skf21("5","5","3","2","3","6","1","1") = "5"
    & skf21("5","5","3","2","3","6","2","1") = "5"
    & skf21("5","5","3","2","3","6","3","1") = "5"
    & skf21("5","5","3","2","3","6","4","1") = "5"
    & skf21("5","5","3","2","3","6","5","1") = "5"
    & skf21("5","5","3","2","3","6","6","1") = "5"
    & skf21("5","5","3","2","3","6","7","1") = "6"
    & skf21("5","5","3","2","3","7","1","1") = "6"
    & skf21("5","5","3","2","3","7","2","1") = "6"
    & skf21("5","5","3","2","3","7","3","1") = "6"
    & skf21("5","5","3","2","3","7","4","1") = "6"
    & skf21("5","5","3","2","3","7","5","1") = "6"
    & skf21("5","5","3","2","3","7","6","1") = "6"
    & skf21("5","5","3","2","3","7","7","1") = "6"
    & skf21("5","5","3","2","4","1","1","1") = "4"
    & skf21("5","5","3","2","4","1","2","1") = "4"
    & skf21("5","5","3","2","4","1","3","1") = "4"
    & skf21("5","5","3","2","4","1","4","1") = "4"
    & skf21("5","5","3","2","4","1","5","1") = "4"
    & skf21("5","5","3","2","4","1","6","1") = "5"
    & skf21("5","5","3","2","4","1","7","1") = "6"
    & skf21("5","5","3","2","4","2","1","1") = "4"
    & skf21("5","5","3","2","4","2","2","1") = "4"
    & skf21("5","5","3","2","4","2","3","1") = "4"
    & skf21("5","5","3","2","4","2","4","1") = "4"
    & skf21("5","5","3","2","4","2","5","1") = "4"
    & skf21("5","5","3","2","4","2","6","1") = "5"
    & skf21("5","5","3","2","4","2","7","1") = "6"
    & skf21("5","5","3","2","4","3","1","1") = "4"
    & skf21("5","5","3","2","4","3","2","1") = "4"
    & skf21("5","5","3","2","4","3","3","1") = "4"
    & skf21("5","5","3","2","4","3","4","1") = "4"
    & skf21("5","5","3","2","4","3","5","1") = "4"
    & skf21("5","5","3","2","4","3","6","1") = "5"
    & skf21("5","5","3","2","4","3","7","1") = "6"
    & skf21("5","5","3","2","4","4","1","1") = "4"
    & skf21("5","5","3","2","4","4","2","1") = "4"
    & skf21("5","5","3","2","4","4","3","1") = "4"
    & skf21("5","5","3","2","4","4","4","1") = "4"
    & skf21("5","5","3","2","4","4","5","1") = "4"
    & skf21("5","5","3","2","4","4","6","1") = "5"
    & skf21("5","5","3","2","4","4","7","1") = "6"
    & skf21("5","5","3","2","4","5","1","1") = "4"
    & skf21("5","5","3","2","4","5","2","1") = "4"
    & skf21("5","5","3","2","4","5","3","1") = "4"
    & skf21("5","5","3","2","4","5","4","1") = "4"
    & skf21("5","5","3","2","4","5","5","1") = "4"
    & skf21("5","5","3","2","4","5","6","1") = "5"
    & skf21("5","5","3","2","4","5","7","1") = "6"
    & skf21("5","5","3","2","4","6","1","1") = "5"
    & skf21("5","5","3","2","4","6","2","1") = "5"
    & skf21("5","5","3","2","4","6","3","1") = "5"
    & skf21("5","5","3","2","4","6","4","1") = "5"
    & skf21("5","5","3","2","4","6","5","1") = "5"
    & skf21("5","5","3","2","4","6","6","1") = "5"
    & skf21("5","5","3","2","4","6","7","1") = "6"
    & skf21("5","5","3","2","4","7","1","1") = "6"
    & skf21("5","5","3","2","4","7","2","1") = "6"
    & skf21("5","5","3","2","4","7","3","1") = "6"
    & skf21("5","5","3","2","4","7","4","1") = "6"
    & skf21("5","5","3","2","4","7","5","1") = "6"
    & skf21("5","5","3","2","4","7","6","1") = "6"
    & skf21("5","5","3","2","4","7","7","1") = "6"
    & skf21("5","5","3","2","5","1","1","1") = "4"
    & skf21("5","5","3","2","5","1","2","1") = "4"
    & skf21("5","5","3","2","5","1","3","1") = "4"
    & skf21("5","5","3","2","5","1","4","1") = "4"
    & skf21("5","5","3","2","5","1","5","1") = "4"
    & skf21("5","5","3","2","5","1","6","1") = "5"
    & skf21("5","5","3","2","5","1","7","1") = "6"
    & skf21("5","5","3","2","5","2","1","1") = "4"
    & skf21("5","5","3","2","5","2","2","1") = "4"
    & skf21("5","5","3","2","5","2","3","1") = "4"
    & skf21("5","5","3","2","5","2","4","1") = "4"
    & skf21("5","5","3","2","5","2","5","1") = "4"
    & skf21("5","5","3","2","5","2","6","1") = "5"
    & skf21("5","5","3","2","5","2","7","1") = "6"
    & skf21("5","5","3","2","5","3","1","1") = "4"
    & skf21("5","5","3","2","5","3","2","1") = "4"
    & skf21("5","5","3","2","5","3","3","1") = "4"
    & skf21("5","5","3","2","5","3","4","1") = "4"
    & skf21("5","5","3","2","5","3","5","1") = "4"
    & skf21("5","5","3","2","5","3","6","1") = "5"
    & skf21("5","5","3","2","5","3","7","1") = "6"
    & skf21("5","5","3","2","5","4","1","1") = "4"
    & skf21("5","5","3","2","5","4","2","1") = "4"
    & skf21("5","5","3","2","5","4","3","1") = "4"
    & skf21("5","5","3","2","5","4","4","1") = "4"
    & skf21("5","5","3","2","5","4","5","1") = "4"
    & skf21("5","5","3","2","5","4","6","1") = "5"
    & skf21("5","5","3","2","5","4","7","1") = "6"
    & skf21("5","5","3","2","5","5","1","1") = "4"
    & skf21("5","5","3","2","5","5","2","1") = "4"
    & skf21("5","5","3","2","5","5","3","1") = "4"
    & skf21("5","5","3","2","5","5","4","1") = "4"
    & skf21("5","5","3","2","5","5","5","1") = "4"
    & skf21("5","5","3","2","5","5","6","1") = "5"
    & skf21("5","5","3","2","5","5","7","1") = "6"
    & skf21("5","5","3","2","5","6","1","1") = "5"
    & skf21("5","5","3","2","5","6","2","1") = "5"
    & skf21("5","5","3","2","5","6","3","1") = "5"
    & skf21("5","5","3","2","5","6","4","1") = "5"
    & skf21("5","5","3","2","5","6","5","1") = "5"
    & skf21("5","5","3","2","5","6","6","1") = "5"
    & skf21("5","5","3","2","5","6","7","1") = "6"
    & skf21("5","5","3","2","5","7","1","1") = "6"
    & skf21("5","5","3","2","5","7","2","1") = "6"
    & skf21("5","5","3","2","5","7","3","1") = "6"
    & skf21("5","5","3","2","5","7","4","1") = "6"
    & skf21("5","5","3","2","5","7","5","1") = "6"
    & skf21("5","5","3","2","5","7","6","1") = "6"
    & skf21("5","5","3","2","5","7","7","1") = "6"
    & skf21("5","5","3","2","6","1","1","1") = "5"
    & skf21("5","5","3","2","6","1","2","1") = "5"
    & skf21("5","5","3","2","6","1","3","1") = "5"
    & skf21("5","5","3","2","6","1","4","1") = "5"
    & skf21("5","5","3","2","6","1","5","1") = "5"
    & skf21("5","5","3","2","6","1","6","1") = "5"
    & skf21("5","5","3","2","6","1","7","1") = "6"
    & skf21("5","5","3","2","6","2","1","1") = "5"
    & skf21("5","5","3","2","6","2","2","1") = "5"
    & skf21("5","5","3","2","6","2","3","1") = "5"
    & skf21("5","5","3","2","6","2","4","1") = "5"
    & skf21("5","5","3","2","6","2","5","1") = "5"
    & skf21("5","5","3","2","6","2","6","1") = "5"
    & skf21("5","5","3","2","6","2","7","1") = "6"
    & skf21("5","5","3","2","6","3","1","1") = "5"
    & skf21("5","5","3","2","6","3","2","1") = "5"
    & skf21("5","5","3","2","6","3","3","1") = "5"
    & skf21("5","5","3","2","6","3","4","1") = "5"
    & skf21("5","5","3","2","6","3","5","1") = "5"
    & skf21("5","5","3","2","6","3","6","1") = "5"
    & skf21("5","5","3","2","6","3","7","1") = "6"
    & skf21("5","5","3","2","6","4","1","1") = "5"
    & skf21("5","5","3","2","6","4","2","1") = "5"
    & skf21("5","5","3","2","6","4","3","1") = "5"
    & skf21("5","5","3","2","6","4","4","1") = "5"
    & skf21("5","5","3","2","6","4","5","1") = "5"
    & skf21("5","5","3","2","6","4","6","1") = "5"
    & skf21("5","5","3","2","6","4","7","1") = "6"
    & skf21("5","5","3","2","6","5","1","1") = "5"
    & skf21("5","5","3","2","6","5","2","1") = "5"
    & skf21("5","5","3","2","6","5","3","1") = "5"
    & skf21("5","5","3","2","6","5","4","1") = "5"
    & skf21("5","5","3","2","6","5","5","1") = "5"
    & skf21("5","5","3","2","6","5","6","1") = "5"
    & skf21("5","5","3","2","6","5","7","1") = "6"
    & skf21("5","5","3","2","6","6","1","1") = "5"
    & skf21("5","5","3","2","6","6","2","1") = "5"
    & skf21("5","5","3","2","6","6","3","1") = "5"
    & skf21("5","5","3","2","6","6","4","1") = "5"
    & skf21("5","5","3","2","6","6","5","1") = "5"
    & skf21("5","5","3","2","6","6","6","1") = "5"
    & skf21("5","5","3","2","6","6","7","1") = "6"
    & skf21("5","5","3","2","6","7","1","1") = "6"
    & skf21("5","5","3","2","6","7","2","1") = "6"
    & skf21("5","5","3","2","6","7","3","1") = "6"
    & skf21("5","5","3","2","6","7","4","1") = "6"
    & skf21("5","5","3","2","6","7","5","1") = "6"
    & skf21("5","5","3","2","6","7","6","1") = "6"
    & skf21("5","5","3","2","6","7","7","1") = "6"
    & skf21("5","5","3","2","7","1","1","1") = "6"
    & skf21("5","5","3","2","7","1","2","1") = "6"
    & skf21("5","5","3","2","7","1","3","1") = "6"
    & skf21("5","5","3","2","7","1","4","1") = "6"
    & skf21("5","5","3","2","7","1","5","1") = "6"
    & skf21("5","5","3","2","7","1","6","1") = "6"
    & skf21("5","5","3","2","7","1","7","1") = "6"
    & skf21("5","5","3","2","7","2","1","1") = "6"
    & skf21("5","5","3","2","7","2","2","1") = "6"
    & skf21("5","5","3","2","7","2","3","1") = "6"
    & skf21("5","5","3","2","7","2","4","1") = "6"
    & skf21("5","5","3","2","7","2","5","1") = "6"
    & skf21("5","5","3","2","7","2","6","1") = "6"
    & skf21("5","5","3","2","7","2","7","1") = "6"
    & skf21("5","5","3","2","7","3","1","1") = "6"
    & skf21("5","5","3","2","7","3","2","1") = "6"
    & skf21("5","5","3","2","7","3","3","1") = "6"
    & skf21("5","5","3","2","7","3","4","1") = "6"
    & skf21("5","5","3","2","7","3","5","1") = "6"
    & skf21("5","5","3","2","7","3","6","1") = "6"
    & skf21("5","5","3","2","7","3","7","1") = "6"
    & skf21("5","5","3","2","7","4","1","1") = "6"
    & skf21("5","5","3","2","7","4","2","1") = "6"
    & skf21("5","5","3","2","7","4","3","1") = "6"
    & skf21("5","5","3","2","7","4","4","1") = "6"
    & skf21("5","5","3","2","7","4","5","1") = "6"
    & skf21("5","5","3","2","7","4","6","1") = "6"
    & skf21("5","5","3","2","7","4","7","1") = "6"
    & skf21("5","5","3","2","7","5","1","1") = "6"
    & skf21("5","5","3","2","7","5","2","1") = "6"
    & skf21("5","5","3","2","7","5","3","1") = "6"
    & skf21("5","5","3","2","7","5","4","1") = "6"
    & skf21("5","5","3","2","7","5","5","1") = "6"
    & skf21("5","5","3","2","7","5","6","1") = "6"
    & skf21("5","5","3","2","7","5","7","1") = "6"
    & skf21("5","5","3","2","7","6","1","1") = "6"
    & skf21("5","5","3","2","7","6","2","1") = "6"
    & skf21("5","5","3","2","7","6","3","1") = "6"
    & skf21("5","5","3","2","7","6","4","1") = "6"
    & skf21("5","5","3","2","7","6","5","1") = "6"
    & skf21("5","5","3","2","7","6","6","1") = "6"
    & skf21("5","5","3","2","7","6","7","1") = "6"
    & skf21("5","5","3","2","7","7","1","1") = "6"
    & skf21("5","5","3","2","7","7","2","1") = "6"
    & skf21("5","5","3","2","7","7","3","1") = "6"
    & skf21("5","5","3","2","7","7","4","1") = "6"
    & skf21("5","5","3","2","7","7","5","1") = "6"
    & skf21("5","5","3","2","7","7","6","1") = "6"
    & skf21("5","5","3","2","7","7","7","1") = "6"
    & skf21("5","5","3","3","1","1","1","1") = "4"
    & skf21("5","5","3","3","1","1","2","1") = "4"
    & skf21("5","5","3","3","1","1","3","1") = "4"
    & skf21("5","5","3","3","1","1","4","1") = "4"
    & skf21("5","5","3","3","1","1","5","1") = "4"
    & skf21("5","5","3","3","1","1","6","1") = "5"
    & skf21("5","5","3","3","1","1","7","1") = "6"
    & skf21("5","5","3","3","1","2","1","1") = "4"
    & skf21("5","5","3","3","1","2","2","1") = "4"
    & skf21("5","5","3","3","1","2","3","1") = "4"
    & skf21("5","5","3","3","1","2","4","1") = "4"
    & skf21("5","5","3","3","1","2","5","1") = "4"
    & skf21("5","5","3","3","1","2","6","1") = "5"
    & skf21("5","5","3","3","1","2","7","1") = "6"
    & skf21("5","5","3","3","1","3","1","1") = "4"
    & skf21("5","5","3","3","1","3","2","1") = "4"
    & skf21("5","5","3","3","1","3","3","1") = "4"
    & skf21("5","5","3","3","1","3","4","1") = "4"
    & skf21("5","5","3","3","1","3","5","1") = "4"
    & skf21("5","5","3","3","1","3","6","1") = "5"
    & skf21("5","5","3","3","1","3","7","1") = "6"
    & skf21("5","5","3","3","1","4","1","1") = "4"
    & skf21("5","5","3","3","1","4","2","1") = "4"
    & skf21("5","5","3","3","1","4","3","1") = "4"
    & skf21("5","5","3","3","1","4","4","1") = "4"
    & skf21("5","5","3","3","1","4","5","1") = "4"
    & skf21("5","5","3","3","1","4","6","1") = "5"
    & skf21("5","5","3","3","1","4","7","1") = "6"
    & skf21("5","5","3","3","1","5","1","1") = "4"
    & skf21("5","5","3","3","1","5","2","1") = "4"
    & skf21("5","5","3","3","1","5","3","1") = "4"
    & skf21("5","5","3","3","1","5","4","1") = "4"
    & skf21("5","5","3","3","1","5","5","1") = "4"
    & skf21("5","5","3","3","1","5","6","1") = "5"
    & skf21("5","5","3","3","1","5","7","1") = "6"
    & skf21("5","5","3","3","1","6","1","1") = "5"
    & skf21("5","5","3","3","1","6","2","1") = "5"
    & skf21("5","5","3","3","1","6","3","1") = "5"
    & skf21("5","5","3","3","1","6","4","1") = "5"
    & skf21("5","5","3","3","1","6","5","1") = "5"
    & skf21("5","5","3","3","1","6","6","1") = "5"
    & skf21("5","5","3","3","1","6","7","1") = "6"
    & skf21("5","5","3","3","1","7","1","1") = "6"
    & skf21("5","5","3","3","1","7","2","1") = "6"
    & skf21("5","5","3","3","1","7","3","1") = "6"
    & skf21("5","5","3","3","1","7","4","1") = "6"
    & skf21("5","5","3","3","1","7","5","1") = "6"
    & skf21("5","5","3","3","1","7","6","1") = "6"
    & skf21("5","5","3","3","1","7","7","1") = "6"
    & skf21("5","5","3","3","2","1","1","1") = "4"
    & skf21("5","5","3","3","2","1","2","1") = "4"
    & skf21("5","5","3","3","2","1","3","1") = "4"
    & skf21("5","5","3","3","2","1","4","1") = "4"
    & skf21("5","5","3","3","2","1","5","1") = "4"
    & skf21("5","5","3","3","2","1","6","1") = "5"
    & skf21("5","5","3","3","2","1","7","1") = "6"
    & skf21("5","5","3","3","2","2","1","1") = "4"
    & skf21("5","5","3","3","2","2","2","1") = "4"
    & skf21("5","5","3","3","2","2","3","1") = "4"
    & skf21("5","5","3","3","2","2","4","1") = "4"
    & skf21("5","5","3","3","2","2","5","1") = "4"
    & skf21("5","5","3","3","2","2","6","1") = "5"
    & skf21("5","5","3","3","2","2","7","1") = "6"
    & skf21("5","5","3","3","2","3","1","1") = "4"
    & skf21("5","5","3","3","2","3","2","1") = "4"
    & skf21("5","5","3","3","2","3","3","1") = "4"
    & skf21("5","5","3","3","2","3","4","1") = "4"
    & skf21("5","5","3","3","2","3","5","1") = "4"
    & skf21("5","5","3","3","2","3","6","1") = "5"
    & skf21("5","5","3","3","2","3","7","1") = "6"
    & skf21("5","5","3","3","2","4","1","1") = "4"
    & skf21("5","5","3","3","2","4","2","1") = "4"
    & skf21("5","5","3","3","2","4","3","1") = "4"
    & skf21("5","5","3","3","2","4","4","1") = "4"
    & skf21("5","5","3","3","2","4","5","1") = "4"
    & skf21("5","5","3","3","2","4","6","1") = "5"
    & skf21("5","5","3","3","2","4","7","1") = "6"
    & skf21("5","5","3","3","2","5","1","1") = "4"
    & skf21("5","5","3","3","2","5","2","1") = "4"
    & skf21("5","5","3","3","2","5","3","1") = "4"
    & skf21("5","5","3","3","2","5","4","1") = "4"
    & skf21("5","5","3","3","2","5","5","1") = "4"
    & skf21("5","5","3","3","2","5","6","1") = "5"
    & skf21("5","5","3","3","2","5","7","1") = "6"
    & skf21("5","5","3","3","2","6","1","1") = "5"
    & skf21("5","5","3","3","2","6","2","1") = "5"
    & skf21("5","5","3","3","2","6","3","1") = "5"
    & skf21("5","5","3","3","2","6","4","1") = "5"
    & skf21("5","5","3","3","2","6","5","1") = "5"
    & skf21("5","5","3","3","2","6","6","1") = "5"
    & skf21("5","5","3","3","2","6","7","1") = "6"
    & skf21("5","5","3","3","2","7","1","1") = "6"
    & skf21("5","5","3","3","2","7","2","1") = "6"
    & skf21("5","5","3","3","2","7","3","1") = "6"
    & skf21("5","5","3","3","2","7","4","1") = "6"
    & skf21("5","5","3","3","2","7","5","1") = "6"
    & skf21("5","5","3","3","2","7","6","1") = "6"
    & skf21("5","5","3","3","2","7","7","1") = "6"
    & skf21("5","5","3","3","3","1","1","1") = "4"
    & skf21("5","5","3","3","3","1","2","1") = "4"
    & skf21("5","5","3","3","3","1","3","1") = "4"
    & skf21("5","5","3","3","3","1","4","1") = "4"
    & skf21("5","5","3","3","3","1","5","1") = "4"
    & skf21("5","5","3","3","3","1","6","1") = "5"
    & skf21("5","5","3","3","3","1","7","1") = "6"
    & skf21("5","5","3","3","3","2","1","1") = "4"
    & skf21("5","5","3","3","3","2","2","1") = "4"
    & skf21("5","5","3","3","3","2","3","1") = "4"
    & skf21("5","5","3","3","3","2","4","1") = "4"
    & skf21("5","5","3","3","3","2","5","1") = "4"
    & skf21("5","5","3","3","3","2","6","1") = "5"
    & skf21("5","5","3","3","3","2","7","1") = "6"
    & skf21("5","5","3","3","3","3","1","1") = "4"
    & skf21("5","5","3","3","3","3","2","1") = "4"
    & skf21("5","5","3","3","3","3","3","1") = "4"
    & skf21("5","5","3","3","3","3","4","1") = "4"
    & skf21("5","5","3","3","3","3","5","1") = "4"
    & skf21("5","5","3","3","3","3","6","1") = "5"
    & skf21("5","5","3","3","3","3","7","1") = "6"
    & skf21("5","5","3","3","3","4","1","1") = "4"
    & skf21("5","5","3","3","3","4","2","1") = "4"
    & skf21("5","5","3","3","3","4","3","1") = "4"
    & skf21("5","5","3","3","3","4","4","1") = "4"
    & skf21("5","5","3","3","3","4","5","1") = "4"
    & skf21("5","5","3","3","3","4","6","1") = "5"
    & skf21("5","5","3","3","3","4","7","1") = "6"
    & skf21("5","5","3","3","3","5","1","1") = "4"
    & skf21("5","5","3","3","3","5","2","1") = "4"
    & skf21("5","5","3","3","3","5","3","1") = "4"
    & skf21("5","5","3","3","3","5","4","1") = "4"
    & skf21("5","5","3","3","3","5","5","1") = "4"
    & skf21("5","5","3","3","3","5","6","1") = "5"
    & skf21("5","5","3","3","3","5","7","1") = "6"
    & skf21("5","5","3","3","3","6","1","1") = "5"
    & skf21("5","5","3","3","3","6","2","1") = "5"
    & skf21("5","5","3","3","3","6","3","1") = "5"
    & skf21("5","5","3","3","3","6","4","1") = "5"
    & skf21("5","5","3","3","3","6","5","1") = "5"
    & skf21("5","5","3","3","3","6","6","1") = "5"
    & skf21("5","5","3","3","3","6","7","1") = "6"
    & skf21("5","5","3","3","3","7","1","1") = "6"
    & skf21("5","5","3","3","3","7","2","1") = "6"
    & skf21("5","5","3","3","3","7","3","1") = "6"
    & skf21("5","5","3","3","3","7","4","1") = "6"
    & skf21("5","5","3","3","3","7","5","1") = "6"
    & skf21("5","5","3","3","3","7","6","1") = "6"
    & skf21("5","5","3","3","3","7","7","1") = "6"
    & skf21("5","5","3","3","4","1","1","1") = "4"
    & skf21("5","5","3","3","4","1","2","1") = "4"
    & skf21("5","5","3","3","4","1","3","1") = "4"
    & skf21("5","5","3","3","4","1","4","1") = "4"
    & skf21("5","5","3","3","4","1","5","1") = "4"
    & skf21("5","5","3","3","4","1","6","1") = "5"
    & skf21("5","5","3","3","4","1","7","1") = "6"
    & skf21("5","5","3","3","4","2","1","1") = "4"
    & skf21("5","5","3","3","4","2","2","1") = "4"
    & skf21("5","5","3","3","4","2","3","1") = "4"
    & skf21("5","5","3","3","4","2","4","1") = "4"
    & skf21("5","5","3","3","4","2","5","1") = "4"
    & skf21("5","5","3","3","4","2","6","1") = "5"
    & skf21("5","5","3","3","4","2","7","1") = "6"
    & skf21("5","5","3","3","4","3","1","1") = "4"
    & skf21("5","5","3","3","4","3","2","1") = "4"
    & skf21("5","5","3","3","4","3","3","1") = "4"
    & skf21("5","5","3","3","4","3","4","1") = "4"
    & skf21("5","5","3","3","4","3","5","1") = "4"
    & skf21("5","5","3","3","4","3","6","1") = "5"
    & skf21("5","5","3","3","4","3","7","1") = "6"
    & skf21("5","5","3","3","4","4","1","1") = "4"
    & skf21("5","5","3","3","4","4","2","1") = "4"
    & skf21("5","5","3","3","4","4","3","1") = "4"
    & skf21("5","5","3","3","4","4","4","1") = "4"
    & skf21("5","5","3","3","4","4","5","1") = "4"
    & skf21("5","5","3","3","4","4","6","1") = "5"
    & skf21("5","5","3","3","4","4","7","1") = "6"
    & skf21("5","5","3","3","4","5","1","1") = "4"
    & skf21("5","5","3","3","4","5","2","1") = "4"
    & skf21("5","5","3","3","4","5","3","1") = "4"
    & skf21("5","5","3","3","4","5","4","1") = "4"
    & skf21("5","5","3","3","4","5","5","1") = "4"
    & skf21("5","5","3","3","4","5","6","1") = "5"
    & skf21("5","5","3","3","4","5","7","1") = "6"
    & skf21("5","5","3","3","4","6","1","1") = "5"
    & skf21("5","5","3","3","4","6","2","1") = "5"
    & skf21("5","5","3","3","4","6","3","1") = "5"
    & skf21("5","5","3","3","4","6","4","1") = "5"
    & skf21("5","5","3","3","4","6","5","1") = "5"
    & skf21("5","5","3","3","4","6","6","1") = "5"
    & skf21("5","5","3","3","4","6","7","1") = "6"
    & skf21("5","5","3","3","4","7","1","1") = "6"
    & skf21("5","5","3","3","4","7","2","1") = "6"
    & skf21("5","5","3","3","4","7","3","1") = "6"
    & skf21("5","5","3","3","4","7","4","1") = "6"
    & skf21("5","5","3","3","4","7","5","1") = "6"
    & skf21("5","5","3","3","4","7","6","1") = "6"
    & skf21("5","5","3","3","4","7","7","1") = "6"
    & skf21("5","5","3","3","5","1","1","1") = "4"
    & skf21("5","5","3","3","5","1","2","1") = "4"
    & skf21("5","5","3","3","5","1","3","1") = "4"
    & skf21("5","5","3","3","5","1","4","1") = "4"
    & skf21("5","5","3","3","5","1","5","1") = "4"
    & skf21("5","5","3","3","5","1","6","1") = "5"
    & skf21("5","5","3","3","5","1","7","1") = "6"
    & skf21("5","5","3","3","5","2","1","1") = "4"
    & skf21("5","5","3","3","5","2","2","1") = "4"
    & skf21("5","5","3","3","5","2","3","1") = "4"
    & skf21("5","5","3","3","5","2","4","1") = "4"
    & skf21("5","5","3","3","5","2","5","1") = "4"
    & skf21("5","5","3","3","5","2","6","1") = "5"
    & skf21("5","5","3","3","5","2","7","1") = "6"
    & skf21("5","5","3","3","5","3","1","1") = "4"
    & skf21("5","5","3","3","5","3","2","1") = "4"
    & skf21("5","5","3","3","5","3","3","1") = "4"
    & skf21("5","5","3","3","5","3","4","1") = "4"
    & skf21("5","5","3","3","5","3","5","1") = "4"
    & skf21("5","5","3","3","5","3","6","1") = "5"
    & skf21("5","5","3","3","5","3","7","1") = "6"
    & skf21("5","5","3","3","5","4","1","1") = "4"
    & skf21("5","5","3","3","5","4","2","1") = "4"
    & skf21("5","5","3","3","5","4","3","1") = "4"
    & skf21("5","5","3","3","5","4","4","1") = "4"
    & skf21("5","5","3","3","5","4","5","1") = "4"
    & skf21("5","5","3","3","5","4","6","1") = "5"
    & skf21("5","5","3","3","5","4","7","1") = "6"
    & skf21("5","5","3","3","5","5","1","1") = "4"
    & skf21("5","5","3","3","5","5","2","1") = "4"
    & skf21("5","5","3","3","5","5","3","1") = "4"
    & skf21("5","5","3","3","5","5","4","1") = "4"
    & skf21("5","5","3","3","5","5","5","1") = "4"
    & skf21("5","5","3","3","5","5","6","1") = "5"
    & skf21("5","5","3","3","5","5","7","1") = "6"
    & skf21("5","5","3","3","5","6","1","1") = "5"
    & skf21("5","5","3","3","5","6","2","1") = "5"
    & skf21("5","5","3","3","5","6","3","1") = "5"
    & skf21("5","5","3","3","5","6","4","1") = "5"
    & skf21("5","5","3","3","5","6","5","1") = "5"
    & skf21("5","5","3","3","5","6","6","1") = "5"
    & skf21("5","5","3","3","5","6","7","1") = "6"
    & skf21("5","5","3","3","5","7","1","1") = "6"
    & skf21("5","5","3","3","5","7","2","1") = "6"
    & skf21("5","5","3","3","5","7","3","1") = "6"
    & skf21("5","5","3","3","5","7","4","1") = "6"
    & skf21("5","5","3","3","5","7","5","1") = "6"
    & skf21("5","5","3","3","5","7","6","1") = "6"
    & skf21("5","5","3","3","5","7","7","1") = "6"
    & skf21("5","5","3","3","6","1","1","1") = "5"
    & skf21("5","5","3","3","6","1","2","1") = "5"
    & skf21("5","5","3","3","6","1","3","1") = "5"
    & skf21("5","5","3","3","6","1","4","1") = "5"
    & skf21("5","5","3","3","6","1","5","1") = "5"
    & skf21("5","5","3","3","6","1","6","1") = "5"
    & skf21("5","5","3","3","6","1","7","1") = "6"
    & skf21("5","5","3","3","6","2","1","1") = "5"
    & skf21("5","5","3","3","6","2","2","1") = "5"
    & skf21("5","5","3","3","6","2","3","1") = "5"
    & skf21("5","5","3","3","6","2","4","1") = "5"
    & skf21("5","5","3","3","6","2","5","1") = "5"
    & skf21("5","5","3","3","6","2","6","1") = "5"
    & skf21("5","5","3","3","6","2","7","1") = "6"
    & skf21("5","5","3","3","6","3","1","1") = "5"
    & skf21("5","5","3","3","6","3","2","1") = "5"
    & skf21("5","5","3","3","6","3","3","1") = "5"
    & skf21("5","5","3","3","6","3","4","1") = "5"
    & skf21("5","5","3","3","6","3","5","1") = "5"
    & skf21("5","5","3","3","6","3","6","1") = "5"
    & skf21("5","5","3","3","6","3","7","1") = "6"
    & skf21("5","5","3","3","6","4","1","1") = "5"
    & skf21("5","5","3","3","6","4","2","1") = "5"
    & skf21("5","5","3","3","6","4","3","1") = "5"
    & skf21("5","5","3","3","6","4","4","1") = "5"
    & skf21("5","5","3","3","6","4","5","1") = "5"
    & skf21("5","5","3","3","6","4","6","1") = "5"
    & skf21("5","5","3","3","6","4","7","1") = "6"
    & skf21("5","5","3","3","6","5","1","1") = "5"
    & skf21("5","5","3","3","6","5","2","1") = "5"
    & skf21("5","5","3","3","6","5","3","1") = "5"
    & skf21("5","5","3","3","6","5","4","1") = "5"
    & skf21("5","5","3","3","6","5","5","1") = "5"
    & skf21("5","5","3","3","6","5","6","1") = "5"
    & skf21("5","5","3","3","6","5","7","1") = "6"
    & skf21("5","5","3","3","6","6","1","1") = "5"
    & skf21("5","5","3","3","6","6","2","1") = "5"
    & skf21("5","5","3","3","6","6","3","1") = "5"
    & skf21("5","5","3","3","6","6","4","1") = "5"
    & skf21("5","5","3","3","6","6","5","1") = "5"
    & skf21("5","5","3","3","6","6","6","1") = "5"
    & skf21("5","5","3","3","6","6","7","1") = "6"
    & skf21("5","5","3","3","6","7","1","1") = "6"
    & skf21("5","5","3","3","6","7","2","1") = "6"
    & skf21("5","5","3","3","6","7","3","1") = "6"
    & skf21("5","5","3","3","6","7","4","1") = "6"
    & skf21("5","5","3","3","6","7","5","1") = "6"
    & skf21("5","5","3","3","6","7","6","1") = "6"
    & skf21("5","5","3","3","6","7","7","1") = "6"
    & skf21("5","5","3","3","7","1","1","1") = "6"
    & skf21("5","5","3","3","7","1","2","1") = "6"
    & skf21("5","5","3","3","7","1","3","1") = "6"
    & skf21("5","5","3","3","7","1","4","1") = "6"
    & skf21("5","5","3","3","7","1","5","1") = "6"
    & skf21("5","5","3","3","7","1","6","1") = "6"
    & skf21("5","5","3","3","7","1","7","1") = "6"
    & skf21("5","5","3","3","7","2","1","1") = "6"
    & skf21("5","5","3","3","7","2","2","1") = "6"
    & skf21("5","5","3","3","7","2","3","1") = "6"
    & skf21("5","5","3","3","7","2","4","1") = "6"
    & skf21("5","5","3","3","7","2","5","1") = "6"
    & skf21("5","5","3","3","7","2","6","1") = "6"
    & skf21("5","5","3","3","7","2","7","1") = "6"
    & skf21("5","5","3","3","7","3","1","1") = "6"
    & skf21("5","5","3","3","7","3","2","1") = "6"
    & skf21("5","5","3","3","7","3","3","1") = "6"
    & skf21("5","5","3","3","7","3","4","1") = "6"
    & skf21("5","5","3","3","7","3","5","1") = "6"
    & skf21("5","5","3","3","7","3","6","1") = "6"
    & skf21("5","5","3","3","7","3","7","1") = "6"
    & skf21("5","5","3","3","7","4","1","1") = "6"
    & skf21("5","5","3","3","7","4","2","1") = "6"
    & skf21("5","5","3","3","7","4","3","1") = "6"
    & skf21("5","5","3","3","7","4","4","1") = "6"
    & skf21("5","5","3","3","7","4","5","1") = "6"
    & skf21("5","5","3","3","7","4","6","1") = "6"
    & skf21("5","5","3","3","7","4","7","1") = "6"
    & skf21("5","5","3","3","7","5","1","1") = "6"
    & skf21("5","5","3","3","7","5","2","1") = "6"
    & skf21("5","5","3","3","7","5","3","1") = "6"
    & skf21("5","5","3","3","7","5","4","1") = "6"
    & skf21("5","5","3","3","7","5","5","1") = "6"
    & skf21("5","5","3","3","7","5","6","1") = "6"
    & skf21("5","5","3","3","7","5","7","1") = "6"
    & skf21("5","5","3","3","7","6","1","1") = "6"
    & skf21("5","5","3","3","7","6","2","1") = "6"
    & skf21("5","5","3","3","7","6","3","1") = "6"
    & skf21("5","5","3","3","7","6","4","1") = "6"
    & skf21("5","5","3","3","7","6","5","1") = "6"
    & skf21("5","5","3","3","7","6","6","1") = "6"
    & skf21("5","5","3","3","7","6","7","1") = "6"
    & skf21("5","5","3","3","7","7","1","1") = "6"
    & skf21("5","5","3","3","7","7","2","1") = "6"
    & skf21("5","5","3","3","7","7","3","1") = "6"
    & skf21("5","5","3","3","7","7","4","1") = "6"
    & skf21("5","5","3","3","7","7","5","1") = "6"
    & skf21("5","5","3","3","7","7","6","1") = "6"
    & skf21("5","5","3","3","7","7","7","1") = "6"
    & skf21("5","5","3","4","1","1","1","1") = "4"
    & skf21("5","5","3","4","1","1","2","1") = "4"
    & skf21("5","5","3","4","1","1","3","1") = "4"
    & skf21("5","5","3","4","1","1","4","1") = "4"
    & skf21("5","5","3","4","1","1","5","1") = "4"
    & skf21("5","5","3","4","1","1","6","1") = "5"
    & skf21("5","5","3","4","1","1","7","1") = "6"
    & skf21("5","5","3","4","1","2","1","1") = "4"
    & skf21("5","5","3","4","1","2","2","1") = "4"
    & skf21("5","5","3","4","1","2","3","1") = "4"
    & skf21("5","5","3","4","1","2","4","1") = "4"
    & skf21("5","5","3","4","1","2","5","1") = "4"
    & skf21("5","5","3","4","1","2","6","1") = "5"
    & skf21("5","5","3","4","1","2","7","1") = "6"
    & skf21("5","5","3","4","1","3","1","1") = "4"
    & skf21("5","5","3","4","1","3","2","1") = "4"
    & skf21("5","5","3","4","1","3","3","1") = "4"
    & skf21("5","5","3","4","1","3","4","1") = "4"
    & skf21("5","5","3","4","1","3","5","1") = "4"
    & skf21("5","5","3","4","1","3","6","1") = "5"
    & skf21("5","5","3","4","1","3","7","1") = "6"
    & skf21("5","5","3","4","1","4","1","1") = "4"
    & skf21("5","5","3","4","1","4","2","1") = "4"
    & skf21("5","5","3","4","1","4","3","1") = "4"
    & skf21("5","5","3","4","1","4","4","1") = "4"
    & skf21("5","5","3","4","1","4","5","1") = "4"
    & skf21("5","5","3","4","1","4","6","1") = "5"
    & skf21("5","5","3","4","1","4","7","1") = "6"
    & skf21("5","5","3","4","1","5","1","1") = "4"
    & skf21("5","5","3","4","1","5","2","1") = "4"
    & skf21("5","5","3","4","1","5","3","1") = "4"
    & skf21("5","5","3","4","1","5","4","1") = "4"
    & skf21("5","5","3","4","1","5","5","1") = "4"
    & skf21("5","5","3","4","1","5","6","1") = "5"
    & skf21("5","5","3","4","1","5","7","1") = "6"
    & skf21("5","5","3","4","1","6","1","1") = "5"
    & skf21("5","5","3","4","1","6","2","1") = "5"
    & skf21("5","5","3","4","1","6","3","1") = "5"
    & skf21("5","5","3","4","1","6","4","1") = "5"
    & skf21("5","5","3","4","1","6","5","1") = "5"
    & skf21("5","5","3","4","1","6","6","1") = "5"
    & skf21("5","5","3","4","1","6","7","1") = "6"
    & skf21("5","5","3","4","1","7","1","1") = "6"
    & skf21("5","5","3","4","1","7","2","1") = "6"
    & skf21("5","5","3","4","1","7","3","1") = "6"
    & skf21("5","5","3","4","1","7","4","1") = "6"
    & skf21("5","5","3","4","1","7","5","1") = "6"
    & skf21("5","5","3","4","1","7","6","1") = "6"
    & skf21("5","5","3","4","1","7","7","1") = "6"
    & skf21("5","5","3","4","2","1","1","1") = "4"
    & skf21("5","5","3","4","2","1","2","1") = "4"
    & skf21("5","5","3","4","2","1","3","1") = "4"
    & skf21("5","5","3","4","2","1","4","1") = "4"
    & skf21("5","5","3","4","2","1","5","1") = "4"
    & skf21("5","5","3","4","2","1","6","1") = "5"
    & skf21("5","5","3","4","2","1","7","1") = "6"
    & skf21("5","5","3","4","2","2","1","1") = "4"
    & skf21("5","5","3","4","2","2","2","1") = "4"
    & skf21("5","5","3","4","2","2","3","1") = "4"
    & skf21("5","5","3","4","2","2","4","1") = "4"
    & skf21("5","5","3","4","2","2","5","1") = "4"
    & skf21("5","5","3","4","2","2","6","1") = "5"
    & skf21("5","5","3","4","2","2","7","1") = "6"
    & skf21("5","5","3","4","2","3","1","1") = "4"
    & skf21("5","5","3","4","2","3","2","1") = "4"
    & skf21("5","5","3","4","2","3","3","1") = "4"
    & skf21("5","5","3","4","2","3","4","1") = "4"
    & skf21("5","5","3","4","2","3","5","1") = "4"
    & skf21("5","5","3","4","2","3","6","1") = "5"
    & skf21("5","5","3","4","2","3","7","1") = "6"
    & skf21("5","5","3","4","2","4","1","1") = "4"
    & skf21("5","5","3","4","2","4","2","1") = "4"
    & skf21("5","5","3","4","2","4","3","1") = "4"
    & skf21("5","5","3","4","2","4","4","1") = "4"
    & skf21("5","5","3","4","2","4","5","1") = "4"
    & skf21("5","5","3","4","2","4","6","1") = "5"
    & skf21("5","5","3","4","2","4","7","1") = "6"
    & skf21("5","5","3","4","2","5","1","1") = "4"
    & skf21("5","5","3","4","2","5","2","1") = "4"
    & skf21("5","5","3","4","2","5","3","1") = "4"
    & skf21("5","5","3","4","2","5","4","1") = "4"
    & skf21("5","5","3","4","2","5","5","1") = "4"
    & skf21("5","5","3","4","2","5","6","1") = "5"
    & skf21("5","5","3","4","2","5","7","1") = "6"
    & skf21("5","5","3","4","2","6","1","1") = "5"
    & skf21("5","5","3","4","2","6","2","1") = "5"
    & skf21("5","5","3","4","2","6","3","1") = "5"
    & skf21("5","5","3","4","2","6","4","1") = "5"
    & skf21("5","5","3","4","2","6","5","1") = "5"
    & skf21("5","5","3","4","2","6","6","1") = "5"
    & skf21("5","5","3","4","2","6","7","1") = "6"
    & skf21("5","5","3","4","2","7","1","1") = "6"
    & skf21("5","5","3","4","2","7","2","1") = "6"
    & skf21("5","5","3","4","2","7","3","1") = "6"
    & skf21("5","5","3","4","2","7","4","1") = "6"
    & skf21("5","5","3","4","2","7","5","1") = "6"
    & skf21("5","5","3","4","2","7","6","1") = "6"
    & skf21("5","5","3","4","2","7","7","1") = "6"
    & skf21("5","5","3","4","3","1","1","1") = "4"
    & skf21("5","5","3","4","3","1","2","1") = "4"
    & skf21("5","5","3","4","3","1","3","1") = "4"
    & skf21("5","5","3","4","3","1","4","1") = "4"
    & skf21("5","5","3","4","3","1","5","1") = "4"
    & skf21("5","5","3","4","3","1","6","1") = "5"
    & skf21("5","5","3","4","3","1","7","1") = "6"
    & skf21("5","5","3","4","3","2","1","1") = "4"
    & skf21("5","5","3","4","3","2","2","1") = "4"
    & skf21("5","5","3","4","3","2","3","1") = "4"
    & skf21("5","5","3","4","3","2","4","1") = "4"
    & skf21("5","5","3","4","3","2","5","1") = "4"
    & skf21("5","5","3","4","3","2","6","1") = "5"
    & skf21("5","5","3","4","3","2","7","1") = "6"
    & skf21("5","5","3","4","3","3","1","1") = "4"
    & skf21("5","5","3","4","3","3","2","1") = "4"
    & skf21("5","5","3","4","3","3","3","1") = "4"
    & skf21("5","5","3","4","3","3","4","1") = "4"
    & skf21("5","5","3","4","3","3","5","1") = "4"
    & skf21("5","5","3","4","3","3","6","1") = "5"
    & skf21("5","5","3","4","3","3","7","1") = "6"
    & skf21("5","5","3","4","3","4","1","1") = "4"
    & skf21("5","5","3","4","3","4","2","1") = "4"
    & skf21("5","5","3","4","3","4","3","1") = "4"
    & skf21("5","5","3","4","3","4","4","1") = "4"
    & skf21("5","5","3","4","3","4","5","1") = "4"
    & skf21("5","5","3","4","3","4","6","1") = "5"
    & skf21("5","5","3","4","3","4","7","1") = "6"
    & skf21("5","5","3","4","3","5","1","1") = "4"
    & skf21("5","5","3","4","3","5","2","1") = "4"
    & skf21("5","5","3","4","3","5","3","1") = "4"
    & skf21("5","5","3","4","3","5","4","1") = "4"
    & skf21("5","5","3","4","3","5","5","1") = "4"
    & skf21("5","5","3","4","3","5","6","1") = "5"
    & skf21("5","5","3","4","3","5","7","1") = "6"
    & skf21("5","5","3","4","3","6","1","1") = "5"
    & skf21("5","5","3","4","3","6","2","1") = "5"
    & skf21("5","5","3","4","3","6","3","1") = "5"
    & skf21("5","5","3","4","3","6","4","1") = "5"
    & skf21("5","5","3","4","3","6","5","1") = "5"
    & skf21("5","5","3","4","3","6","6","1") = "5"
    & skf21("5","5","3","4","3","6","7","1") = "6"
    & skf21("5","5","3","4","3","7","1","1") = "6"
    & skf21("5","5","3","4","3","7","2","1") = "6"
    & skf21("5","5","3","4","3","7","3","1") = "6"
    & skf21("5","5","3","4","3","7","4","1") = "6"
    & skf21("5","5","3","4","3","7","5","1") = "6"
    & skf21("5","5","3","4","3","7","6","1") = "6"
    & skf21("5","5","3","4","3","7","7","1") = "6"
    & skf21("5","5","3","4","4","1","1","1") = "4"
    & skf21("5","5","3","4","4","1","2","1") = "4"
    & skf21("5","5","3","4","4","1","3","1") = "4"
    & skf21("5","5","3","4","4","1","4","1") = "4"
    & skf21("5","5","3","4","4","1","5","1") = "4"
    & skf21("5","5","3","4","4","1","6","1") = "5"
    & skf21("5","5","3","4","4","1","7","1") = "6"
    & skf21("5","5","3","4","4","2","1","1") = "4"
    & skf21("5","5","3","4","4","2","2","1") = "4"
    & skf21("5","5","3","4","4","2","3","1") = "4"
    & skf21("5","5","3","4","4","2","4","1") = "4"
    & skf21("5","5","3","4","4","2","5","1") = "4"
    & skf21("5","5","3","4","4","2","6","1") = "5"
    & skf21("5","5","3","4","4","2","7","1") = "6"
    & skf21("5","5","3","4","4","3","1","1") = "4"
    & skf21("5","5","3","4","4","3","2","1") = "4"
    & skf21("5","5","3","4","4","3","3","1") = "4"
    & skf21("5","5","3","4","4","3","4","1") = "4"
    & skf21("5","5","3","4","4","3","5","1") = "4"
    & skf21("5","5","3","4","4","3","6","1") = "5"
    & skf21("5","5","3","4","4","3","7","1") = "6"
    & skf21("5","5","3","4","4","4","1","1") = "4"
    & skf21("5","5","3","4","4","4","2","1") = "4"
    & skf21("5","5","3","4","4","4","3","1") = "4"
    & skf21("5","5","3","4","4","4","4","1") = "4"
    & skf21("5","5","3","4","4","4","5","1") = "4"
    & skf21("5","5","3","4","4","4","6","1") = "5"
    & skf21("5","5","3","4","4","4","7","1") = "6"
    & skf21("5","5","3","4","4","5","1","1") = "4"
    & skf21("5","5","3","4","4","5","2","1") = "4"
    & skf21("5","5","3","4","4","5","3","1") = "4"
    & skf21("5","5","3","4","4","5","4","1") = "4"
    & skf21("5","5","3","4","4","5","5","1") = "4"
    & skf21("5","5","3","4","4","5","6","1") = "5"
    & skf21("5","5","3","4","4","5","7","1") = "6"
    & skf21("5","5","3","4","4","6","1","1") = "5"
    & skf21("5","5","3","4","4","6","2","1") = "5"
    & skf21("5","5","3","4","4","6","3","1") = "5"
    & skf21("5","5","3","4","4","6","4","1") = "5"
    & skf21("5","5","3","4","4","6","5","1") = "5"
    & skf21("5","5","3","4","4","6","6","1") = "5"
    & skf21("5","5","3","4","4","6","7","1") = "6"
    & skf21("5","5","3","4","4","7","1","1") = "6"
    & skf21("5","5","3","4","4","7","2","1") = "6"
    & skf21("5","5","3","4","4","7","3","1") = "6"
    & skf21("5","5","3","4","4","7","4","1") = "6"
    & skf21("5","5","3","4","4","7","5","1") = "6"
    & skf21("5","5","3","4","4","7","6","1") = "6"
    & skf21("5","5","3","4","4","7","7","1") = "6"
    & skf21("5","5","3","4","5","1","1","1") = "4"
    & skf21("5","5","3","4","5","1","2","1") = "4"
    & skf21("5","5","3","4","5","1","3","1") = "4"
    & skf21("5","5","3","4","5","1","4","1") = "4"
    & skf21("5","5","3","4","5","1","5","1") = "4"
    & skf21("5","5","3","4","5","1","6","1") = "5"
    & skf21("5","5","3","4","5","1","7","1") = "6"
    & skf21("5","5","3","4","5","2","1","1") = "4"
    & skf21("5","5","3","4","5","2","2","1") = "4"
    & skf21("5","5","3","4","5","2","3","1") = "4"
    & skf21("5","5","3","4","5","2","4","1") = "4"
    & skf21("5","5","3","4","5","2","5","1") = "4"
    & skf21("5","5","3","4","5","2","6","1") = "5"
    & skf21("5","5","3","4","5","2","7","1") = "6"
    & skf21("5","5","3","4","5","3","1","1") = "4"
    & skf21("5","5","3","4","5","3","2","1") = "4"
    & skf21("5","5","3","4","5","3","3","1") = "4"
    & skf21("5","5","3","4","5","3","4","1") = "4"
    & skf21("5","5","3","4","5","3","5","1") = "4"
    & skf21("5","5","3","4","5","3","6","1") = "5"
    & skf21("5","5","3","4","5","3","7","1") = "6"
    & skf21("5","5","3","4","5","4","1","1") = "4"
    & skf21("5","5","3","4","5","4","2","1") = "4"
    & skf21("5","5","3","4","5","4","3","1") = "4"
    & skf21("5","5","3","4","5","4","4","1") = "4"
    & skf21("5","5","3","4","5","4","5","1") = "4"
    & skf21("5","5","3","4","5","4","6","1") = "5"
    & skf21("5","5","3","4","5","4","7","1") = "6"
    & skf21("5","5","3","4","5","5","1","1") = "4"
    & skf21("5","5","3","4","5","5","2","1") = "4"
    & skf21("5","5","3","4","5","5","3","1") = "4"
    & skf21("5","5","3","4","5","5","4","1") = "4"
    & skf21("5","5","3","4","5","5","5","1") = "4"
    & skf21("5","5","3","4","5","5","6","1") = "5"
    & skf21("5","5","3","4","5","5","7","1") = "6"
    & skf21("5","5","3","4","5","6","1","1") = "5"
    & skf21("5","5","3","4","5","6","2","1") = "5"
    & skf21("5","5","3","4","5","6","3","1") = "5"
    & skf21("5","5","3","4","5","6","4","1") = "5"
    & skf21("5","5","3","4","5","6","5","1") = "5"
    & skf21("5","5","3","4","5","6","6","1") = "5"
    & skf21("5","5","3","4","5","6","7","1") = "6"
    & skf21("5","5","3","4","5","7","1","1") = "6"
    & skf21("5","5","3","4","5","7","2","1") = "6"
    & skf21("5","5","3","4","5","7","3","1") = "6"
    & skf21("5","5","3","4","5","7","4","1") = "6"
    & skf21("5","5","3","4","5","7","5","1") = "6"
    & skf21("5","5","3","4","5","7","6","1") = "6"
    & skf21("5","5","3","4","5","7","7","1") = "6"
    & skf21("5","5","3","4","6","1","1","1") = "5"
    & skf21("5","5","3","4","6","1","2","1") = "5"
    & skf21("5","5","3","4","6","1","3","1") = "5"
    & skf21("5","5","3","4","6","1","4","1") = "5"
    & skf21("5","5","3","4","6","1","5","1") = "5"
    & skf21("5","5","3","4","6","1","6","1") = "5"
    & skf21("5","5","3","4","6","1","7","1") = "6"
    & skf21("5","5","3","4","6","2","1","1") = "5"
    & skf21("5","5","3","4","6","2","2","1") = "5"
    & skf21("5","5","3","4","6","2","3","1") = "5"
    & skf21("5","5","3","4","6","2","4","1") = "5"
    & skf21("5","5","3","4","6","2","5","1") = "5"
    & skf21("5","5","3","4","6","2","6","1") = "5"
    & skf21("5","5","3","4","6","2","7","1") = "6"
    & skf21("5","5","3","4","6","3","1","1") = "5"
    & skf21("5","5","3","4","6","3","2","1") = "5"
    & skf21("5","5","3","4","6","3","3","1") = "5"
    & skf21("5","5","3","4","6","3","4","1") = "5"
    & skf21("5","5","3","4","6","3","5","1") = "5"
    & skf21("5","5","3","4","6","3","6","1") = "5"
    & skf21("5","5","3","4","6","3","7","1") = "6"
    & skf21("5","5","3","4","6","4","1","1") = "5"
    & skf21("5","5","3","4","6","4","2","1") = "5"
    & skf21("5","5","3","4","6","4","3","1") = "5"
    & skf21("5","5","3","4","6","4","4","1") = "5"
    & skf21("5","5","3","4","6","4","5","1") = "5"
    & skf21("5","5","3","4","6","4","6","1") = "5"
    & skf21("5","5","3","4","6","4","7","1") = "6"
    & skf21("5","5","3","4","6","5","1","1") = "5"
    & skf21("5","5","3","4","6","5","2","1") = "5"
    & skf21("5","5","3","4","6","5","3","1") = "5"
    & skf21("5","5","3","4","6","5","4","1") = "5"
    & skf21("5","5","3","4","6","5","5","1") = "5"
    & skf21("5","5","3","4","6","5","6","1") = "5"
    & skf21("5","5","3","4","6","5","7","1") = "6"
    & skf21("5","5","3","4","6","6","1","1") = "5"
    & skf21("5","5","3","4","6","6","2","1") = "5"
    & skf21("5","5","3","4","6","6","3","1") = "5"
    & skf21("5","5","3","4","6","6","4","1") = "5"
    & skf21("5","5","3","4","6","6","5","1") = "5"
    & skf21("5","5","3","4","6","6","6","1") = "5"
    & skf21("5","5","3","4","6","6","7","1") = "6"
    & skf21("5","5","3","4","6","7","1","1") = "6"
    & skf21("5","5","3","4","6","7","2","1") = "6"
    & skf21("5","5","3","4","6","7","3","1") = "6"
    & skf21("5","5","3","4","6","7","4","1") = "6"
    & skf21("5","5","3","4","6","7","5","1") = "6"
    & skf21("5","5","3","4","6","7","6","1") = "6"
    & skf21("5","5","3","4","6","7","7","1") = "6"
    & skf21("5","5","3","4","7","1","1","1") = "6"
    & skf21("5","5","3","4","7","1","2","1") = "6"
    & skf21("5","5","3","4","7","1","3","1") = "6"
    & skf21("5","5","3","4","7","1","4","1") = "6"
    & skf21("5","5","3","4","7","1","5","1") = "6"
    & skf21("5","5","3","4","7","1","6","1") = "6"
    & skf21("5","5","3","4","7","1","7","1") = "6"
    & skf21("5","5","3","4","7","2","1","1") = "6"
    & skf21("5","5","3","4","7","2","2","1") = "6"
    & skf21("5","5","3","4","7","2","3","1") = "6"
    & skf21("5","5","3","4","7","2","4","1") = "6"
    & skf21("5","5","3","4","7","2","5","1") = "6"
    & skf21("5","5","3","4","7","2","6","1") = "6"
    & skf21("5","5","3","4","7","2","7","1") = "6"
    & skf21("5","5","3","4","7","3","1","1") = "6"
    & skf21("5","5","3","4","7","3","2","1") = "6"
    & skf21("5","5","3","4","7","3","3","1") = "6"
    & skf21("5","5","3","4","7","3","4","1") = "6"
    & skf21("5","5","3","4","7","3","5","1") = "6"
    & skf21("5","5","3","4","7","3","6","1") = "6"
    & skf21("5","5","3","4","7","3","7","1") = "6"
    & skf21("5","5","3","4","7","4","1","1") = "6"
    & skf21("5","5","3","4","7","4","2","1") = "6"
    & skf21("5","5","3","4","7","4","3","1") = "6"
    & skf21("5","5","3","4","7","4","4","1") = "6"
    & skf21("5","5","3","4","7","4","5","1") = "6"
    & skf21("5","5","3","4","7","4","6","1") = "6"
    & skf21("5","5","3","4","7","4","7","1") = "6"
    & skf21("5","5","3","4","7","5","1","1") = "6"
    & skf21("5","5","3","4","7","5","2","1") = "6"
    & skf21("5","5","3","4","7","5","3","1") = "6"
    & skf21("5","5","3","4","7","5","4","1") = "6"
    & skf21("5","5","3","4","7","5","5","1") = "6"
    & skf21("5","5","3","4","7","5","6","1") = "6"
    & skf21("5","5","3","4","7","5","7","1") = "6"
    & skf21("5","5","3","4","7","6","1","1") = "6"
    & skf21("5","5","3","4","7","6","2","1") = "6"
    & skf21("5","5","3","4","7","6","3","1") = "6"
    & skf21("5","5","3","4","7","6","4","1") = "6"
    & skf21("5","5","3","4","7","6","5","1") = "6"
    & skf21("5","5","3","4","7","6","6","1") = "6"
    & skf21("5","5","3","4","7","6","7","1") = "6"
    & skf21("5","5","3","4","7","7","1","1") = "6"
    & skf21("5","5","3","4","7","7","2","1") = "6"
    & skf21("5","5","3","4","7","7","3","1") = "6"
    & skf21("5","5","3","4","7","7","4","1") = "6"
    & skf21("5","5","3","4","7","7","5","1") = "6"
    & skf21("5","5","3","4","7","7","6","1") = "6"
    & skf21("5","5","3","4","7","7","7","1") = "6"
    & skf21("5","5","3","5","1","1","1","1") = "4"
    & skf21("5","5","3","5","1","1","2","1") = "4"
    & skf21("5","5","3","5","1","1","3","1") = "4"
    & skf21("5","5","3","5","1","1","4","1") = "4"
    & skf21("5","5","3","5","1","1","5","1") = "4"
    & skf21("5","5","3","5","1","1","6","1") = "5"
    & skf21("5","5","3","5","1","1","7","1") = "6"
    & skf21("5","5","3","5","1","2","1","1") = "4"
    & skf21("5","5","3","5","1","2","2","1") = "4"
    & skf21("5","5","3","5","1","2","3","1") = "4"
    & skf21("5","5","3","5","1","2","4","1") = "4"
    & skf21("5","5","3","5","1","2","5","1") = "4"
    & skf21("5","5","3","5","1","2","6","1") = "5"
    & skf21("5","5","3","5","1","2","7","1") = "6"
    & skf21("5","5","3","5","1","3","1","1") = "4"
    & skf21("5","5","3","5","1","3","2","1") = "4"
    & skf21("5","5","3","5","1","3","3","1") = "4"
    & skf21("5","5","3","5","1","3","4","1") = "4"
    & skf21("5","5","3","5","1","3","5","1") = "4"
    & skf21("5","5","3","5","1","3","6","1") = "5"
    & skf21("5","5","3","5","1","3","7","1") = "6"
    & skf21("5","5","3","5","1","4","1","1") = "4"
    & skf21("5","5","3","5","1","4","2","1") = "4"
    & skf21("5","5","3","5","1","4","3","1") = "4"
    & skf21("5","5","3","5","1","4","4","1") = "4"
    & skf21("5","5","3","5","1","4","5","1") = "4"
    & skf21("5","5","3","5","1","4","6","1") = "5"
    & skf21("5","5","3","5","1","4","7","1") = "6"
    & skf21("5","5","3","5","1","5","1","1") = "4"
    & skf21("5","5","3","5","1","5","2","1") = "4"
    & skf21("5","5","3","5","1","5","3","1") = "4"
    & skf21("5","5","3","5","1","5","4","1") = "4"
    & skf21("5","5","3","5","1","5","5","1") = "4"
    & skf21("5","5","3","5","1","5","6","1") = "5"
    & skf21("5","5","3","5","1","5","7","1") = "6"
    & skf21("5","5","3","5","1","6","1","1") = "5"
    & skf21("5","5","3","5","1","6","2","1") = "5"
    & skf21("5","5","3","5","1","6","3","1") = "5"
    & skf21("5","5","3","5","1","6","4","1") = "5"
    & skf21("5","5","3","5","1","6","5","1") = "5"
    & skf21("5","5","3","5","1","6","6","1") = "5"
    & skf21("5","5","3","5","1","6","7","1") = "6"
    & skf21("5","5","3","5","1","7","1","1") = "6"
    & skf21("5","5","3","5","1","7","2","1") = "6"
    & skf21("5","5","3","5","1","7","3","1") = "6"
    & skf21("5","5","3","5","1","7","4","1") = "6"
    & skf21("5","5","3","5","1","7","5","1") = "6"
    & skf21("5","5","3","5","1","7","6","1") = "6"
    & skf21("5","5","3","5","1","7","7","1") = "6"
    & skf21("5","5","3","5","2","1","1","1") = "4"
    & skf21("5","5","3","5","2","1","2","1") = "4"
    & skf21("5","5","3","5","2","1","3","1") = "4"
    & skf21("5","5","3","5","2","1","4","1") = "4"
    & skf21("5","5","3","5","2","1","5","1") = "4"
    & skf21("5","5","3","5","2","1","6","1") = "5"
    & skf21("5","5","3","5","2","1","7","1") = "6"
    & skf21("5","5","3","5","2","2","1","1") = "4"
    & skf21("5","5","3","5","2","2","2","1") = "4"
    & skf21("5","5","3","5","2","2","3","1") = "4"
    & skf21("5","5","3","5","2","2","4","1") = "4"
    & skf21("5","5","3","5","2","2","5","1") = "4"
    & skf21("5","5","3","5","2","2","6","1") = "5"
    & skf21("5","5","3","5","2","2","7","1") = "6"
    & skf21("5","5","3","5","2","3","1","1") = "4"
    & skf21("5","5","3","5","2","3","2","1") = "4"
    & skf21("5","5","3","5","2","3","3","1") = "4"
    & skf21("5","5","3","5","2","3","4","1") = "4"
    & skf21("5","5","3","5","2","3","5","1") = "4"
    & skf21("5","5","3","5","2","3","6","1") = "5"
    & skf21("5","5","3","5","2","3","7","1") = "6"
    & skf21("5","5","3","5","2","4","1","1") = "4"
    & skf21("5","5","3","5","2","4","2","1") = "4"
    & skf21("5","5","3","5","2","4","3","1") = "4"
    & skf21("5","5","3","5","2","4","4","1") = "4"
    & skf21("5","5","3","5","2","4","5","1") = "4"
    & skf21("5","5","3","5","2","4","6","1") = "5"
    & skf21("5","5","3","5","2","4","7","1") = "6"
    & skf21("5","5","3","5","2","5","1","1") = "4"
    & skf21("5","5","3","5","2","5","2","1") = "4"
    & skf21("5","5","3","5","2","5","3","1") = "4"
    & skf21("5","5","3","5","2","5","4","1") = "4"
    & skf21("5","5","3","5","2","5","5","1") = "4"
    & skf21("5","5","3","5","2","5","6","1") = "5"
    & skf21("5","5","3","5","2","5","7","1") = "6"
    & skf21("5","5","3","5","2","6","1","1") = "5"
    & skf21("5","5","3","5","2","6","2","1") = "5"
    & skf21("5","5","3","5","2","6","3","1") = "5"
    & skf21("5","5","3","5","2","6","4","1") = "5"
    & skf21("5","5","3","5","2","6","5","1") = "5"
    & skf21("5","5","3","5","2","6","6","1") = "5"
    & skf21("5","5","3","5","2","6","7","1") = "6"
    & skf21("5","5","3","5","2","7","1","1") = "6"
    & skf21("5","5","3","5","2","7","2","1") = "6"
    & skf21("5","5","3","5","2","7","3","1") = "6"
    & skf21("5","5","3","5","2","7","4","1") = "6"
    & skf21("5","5","3","5","2","7","5","1") = "6"
    & skf21("5","5","3","5","2","7","6","1") = "6"
    & skf21("5","5","3","5","2","7","7","1") = "6"
    & skf21("5","5","3","5","3","1","1","1") = "4"
    & skf21("5","5","3","5","3","1","2","1") = "4"
    & skf21("5","5","3","5","3","1","3","1") = "4"
    & skf21("5","5","3","5","3","1","4","1") = "4"
    & skf21("5","5","3","5","3","1","5","1") = "4"
    & skf21("5","5","3","5","3","1","6","1") = "5"
    & skf21("5","5","3","5","3","1","7","1") = "6"
    & skf21("5","5","3","5","3","2","1","1") = "4"
    & skf21("5","5","3","5","3","2","2","1") = "4"
    & skf21("5","5","3","5","3","2","3","1") = "4"
    & skf21("5","5","3","5","3","2","4","1") = "4"
    & skf21("5","5","3","5","3","2","5","1") = "4"
    & skf21("5","5","3","5","3","2","6","1") = "5"
    & skf21("5","5","3","5","3","2","7","1") = "6"
    & skf21("5","5","3","5","3","3","1","1") = "4"
    & skf21("5","5","3","5","3","3","2","1") = "4"
    & skf21("5","5","3","5","3","3","3","1") = "4"
    & skf21("5","5","3","5","3","3","4","1") = "4"
    & skf21("5","5","3","5","3","3","5","1") = "4"
    & skf21("5","5","3","5","3","3","6","1") = "5"
    & skf21("5","5","3","5","3","3","7","1") = "6"
    & skf21("5","5","3","5","3","4","1","1") = "4"
    & skf21("5","5","3","5","3","4","2","1") = "4"
    & skf21("5","5","3","5","3","4","3","1") = "4"
    & skf21("5","5","3","5","3","4","4","1") = "4"
    & skf21("5","5","3","5","3","4","5","1") = "4"
    & skf21("5","5","3","5","3","4","6","1") = "5"
    & skf21("5","5","3","5","3","4","7","1") = "6"
    & skf21("5","5","3","5","3","5","1","1") = "4"
    & skf21("5","5","3","5","3","5","2","1") = "4"
    & skf21("5","5","3","5","3","5","3","1") = "4"
    & skf21("5","5","3","5","3","5","4","1") = "4"
    & skf21("5","5","3","5","3","5","5","1") = "4"
    & skf21("5","5","3","5","3","5","6","1") = "5"
    & skf21("5","5","3","5","3","5","7","1") = "6"
    & skf21("5","5","3","5","3","6","1","1") = "5"
    & skf21("5","5","3","5","3","6","2","1") = "5"
    & skf21("5","5","3","5","3","6","3","1") = "5"
    & skf21("5","5","3","5","3","6","4","1") = "5"
    & skf21("5","5","3","5","3","6","5","1") = "5"
    & skf21("5","5","3","5","3","6","6","1") = "5"
    & skf21("5","5","3","5","3","6","7","1") = "6"
    & skf21("5","5","3","5","3","7","1","1") = "6"
    & skf21("5","5","3","5","3","7","2","1") = "6"
    & skf21("5","5","3","5","3","7","3","1") = "6"
    & skf21("5","5","3","5","3","7","4","1") = "6"
    & skf21("5","5","3","5","3","7","5","1") = "6"
    & skf21("5","5","3","5","3","7","6","1") = "6"
    & skf21("5","5","3","5","3","7","7","1") = "6"
    & skf21("5","5","3","5","4","1","1","1") = "4"
    & skf21("5","5","3","5","4","1","2","1") = "4"
    & skf21("5","5","3","5","4","1","3","1") = "4"
    & skf21("5","5","3","5","4","1","4","1") = "4"
    & skf21("5","5","3","5","4","1","5","1") = "4"
    & skf21("5","5","3","5","4","1","6","1") = "5"
    & skf21("5","5","3","5","4","1","7","1") = "6"
    & skf21("5","5","3","5","4","2","1","1") = "4"
    & skf21("5","5","3","5","4","2","2","1") = "4"
    & skf21("5","5","3","5","4","2","3","1") = "4"
    & skf21("5","5","3","5","4","2","4","1") = "4"
    & skf21("5","5","3","5","4","2","5","1") = "4"
    & skf21("5","5","3","5","4","2","6","1") = "5"
    & skf21("5","5","3","5","4","2","7","1") = "6"
    & skf21("5","5","3","5","4","3","1","1") = "4"
    & skf21("5","5","3","5","4","3","2","1") = "4"
    & skf21("5","5","3","5","4","3","3","1") = "4"
    & skf21("5","5","3","5","4","3","4","1") = "4"
    & skf21("5","5","3","5","4","3","5","1") = "4"
    & skf21("5","5","3","5","4","3","6","1") = "5"
    & skf21("5","5","3","5","4","3","7","1") = "6"
    & skf21("5","5","3","5","4","4","1","1") = "4"
    & skf21("5","5","3","5","4","4","2","1") = "4"
    & skf21("5","5","3","5","4","4","3","1") = "4"
    & skf21("5","5","3","5","4","4","4","1") = "4"
    & skf21("5","5","3","5","4","4","5","1") = "4"
    & skf21("5","5","3","5","4","4","6","1") = "5"
    & skf21("5","5","3","5","4","4","7","1") = "6"
    & skf21("5","5","3","5","4","5","1","1") = "4"
    & skf21("5","5","3","5","4","5","2","1") = "4"
    & skf21("5","5","3","5","4","5","3","1") = "4"
    & skf21("5","5","3","5","4","5","4","1") = "4"
    & skf21("5","5","3","5","4","5","5","1") = "4"
    & skf21("5","5","3","5","4","5","6","1") = "5"
    & skf21("5","5","3","5","4","5","7","1") = "6"
    & skf21("5","5","3","5","4","6","1","1") = "5"
    & skf21("5","5","3","5","4","6","2","1") = "5"
    & skf21("5","5","3","5","4","6","3","1") = "5"
    & skf21("5","5","3","5","4","6","4","1") = "5"
    & skf21("5","5","3","5","4","6","5","1") = "5"
    & skf21("5","5","3","5","4","6","6","1") = "5"
    & skf21("5","5","3","5","4","6","7","1") = "6"
    & skf21("5","5","3","5","4","7","1","1") = "6"
    & skf21("5","5","3","5","4","7","2","1") = "6"
    & skf21("5","5","3","5","4","7","3","1") = "6"
    & skf21("5","5","3","5","4","7","4","1") = "6"
    & skf21("5","5","3","5","4","7","5","1") = "6"
    & skf21("5","5","3","5","4","7","6","1") = "6"
    & skf21("5","5","3","5","4","7","7","1") = "6"
    & skf21("5","5","3","5","5","1","1","1") = "4"
    & skf21("5","5","3","5","5","1","2","1") = "4"
    & skf21("5","5","3","5","5","1","3","1") = "4"
    & skf21("5","5","3","5","5","1","4","1") = "4"
    & skf21("5","5","3","5","5","1","5","1") = "4"
    & skf21("5","5","3","5","5","1","6","1") = "5"
    & skf21("5","5","3","5","5","1","7","1") = "6"
    & skf21("5","5","3","5","5","2","1","1") = "4"
    & skf21("5","5","3","5","5","2","2","1") = "4"
    & skf21("5","5","3","5","5","2","3","1") = "4"
    & skf21("5","5","3","5","5","2","4","1") = "4"
    & skf21("5","5","3","5","5","2","5","1") = "4"
    & skf21("5","5","3","5","5","2","6","1") = "5"
    & skf21("5","5","3","5","5","2","7","1") = "6"
    & skf21("5","5","3","5","5","3","1","1") = "4"
    & skf21("5","5","3","5","5","3","2","1") = "4"
    & skf21("5","5","3","5","5","3","3","1") = "4"
    & skf21("5","5","3","5","5","3","4","1") = "4"
    & skf21("5","5","3","5","5","3","5","1") = "4"
    & skf21("5","5","3","5","5","3","6","1") = "5"
    & skf21("5","5","3","5","5","3","7","1") = "6"
    & skf21("5","5","3","5","5","4","1","1") = "4"
    & skf21("5","5","3","5","5","4","2","1") = "4"
    & skf21("5","5","3","5","5","4","3","1") = "4"
    & skf21("5","5","3","5","5","4","4","1") = "4"
    & skf21("5","5","3","5","5","4","5","1") = "4"
    & skf21("5","5","3","5","5","4","6","1") = "5"
    & skf21("5","5","3","5","5","4","7","1") = "6"
    & skf21("5","5","3","5","5","5","1","1") = "4"
    & skf21("5","5","3","5","5","5","2","1") = "4"
    & skf21("5","5","3","5","5","5","3","1") = "4"
    & skf21("5","5","3","5","5","5","4","1") = "4"
    & skf21("5","5","3","5","5","5","5","1") = "4"
    & skf21("5","5","3","5","5","5","6","1") = "5"
    & skf21("5","5","3","5","5","5","7","1") = "6"
    & skf21("5","5","3","5","5","6","1","1") = "5"
    & skf21("5","5","3","5","5","6","2","1") = "5"
    & skf21("5","5","3","5","5","6","3","1") = "5"
    & skf21("5","5","3","5","5","6","4","1") = "5"
    & skf21("5","5","3","5","5","6","5","1") = "5"
    & skf21("5","5","3","5","5","6","6","1") = "5"
    & skf21("5","5","3","5","5","6","7","1") = "6"
    & skf21("5","5","3","5","5","7","1","1") = "6"
    & skf21("5","5","3","5","5","7","2","1") = "6"
    & skf21("5","5","3","5","5","7","3","1") = "6"
    & skf21("5","5","3","5","5","7","4","1") = "6"
    & skf21("5","5","3","5","5","7","5","1") = "6"
    & skf21("5","5","3","5","5","7","6","1") = "6"
    & skf21("5","5","3","5","5","7","7","1") = "6"
    & skf21("5","5","3","5","6","1","1","1") = "5"
    & skf21("5","5","3","5","6","1","2","1") = "5"
    & skf21("5","5","3","5","6","1","3","1") = "5"
    & skf21("5","5","3","5","6","1","4","1") = "5"
    & skf21("5","5","3","5","6","1","5","1") = "5"
    & skf21("5","5","3","5","6","1","6","1") = "5"
    & skf21("5","5","3","5","6","1","7","1") = "6"
    & skf21("5","5","3","5","6","2","1","1") = "5"
    & skf21("5","5","3","5","6","2","2","1") = "5"
    & skf21("5","5","3","5","6","2","3","1") = "5"
    & skf21("5","5","3","5","6","2","4","1") = "5"
    & skf21("5","5","3","5","6","2","5","1") = "5"
    & skf21("5","5","3","5","6","2","6","1") = "5"
    & skf21("5","5","3","5","6","2","7","1") = "6"
    & skf21("5","5","3","5","6","3","1","1") = "5"
    & skf21("5","5","3","5","6","3","2","1") = "5"
    & skf21("5","5","3","5","6","3","3","1") = "5"
    & skf21("5","5","3","5","6","3","4","1") = "5"
    & skf21("5","5","3","5","6","3","5","1") = "5"
    & skf21("5","5","3","5","6","3","6","1") = "5"
    & skf21("5","5","3","5","6","3","7","1") = "6"
    & skf21("5","5","3","5","6","4","1","1") = "5"
    & skf21("5","5","3","5","6","4","2","1") = "5"
    & skf21("5","5","3","5","6","4","3","1") = "5"
    & skf21("5","5","3","5","6","4","4","1") = "5"
    & skf21("5","5","3","5","6","4","5","1") = "5"
    & skf21("5","5","3","5","6","4","6","1") = "5"
    & skf21("5","5","3","5","6","4","7","1") = "6"
    & skf21("5","5","3","5","6","5","1","1") = "5"
    & skf21("5","5","3","5","6","5","2","1") = "5"
    & skf21("5","5","3","5","6","5","3","1") = "5"
    & skf21("5","5","3","5","6","5","4","1") = "5"
    & skf21("5","5","3","5","6","5","5","1") = "5"
    & skf21("5","5","3","5","6","5","6","1") = "5"
    & skf21("5","5","3","5","6","5","7","1") = "6"
    & skf21("5","5","3","5","6","6","1","1") = "5"
    & skf21("5","5","3","5","6","6","2","1") = "5"
    & skf21("5","5","3","5","6","6","3","1") = "5"
    & skf21("5","5","3","5","6","6","4","1") = "5"
    & skf21("5","5","3","5","6","6","5","1") = "5"
    & skf21("5","5","3","5","6","6","6","1") = "5"
    & skf21("5","5","3","5","6","6","7","1") = "6"
    & skf21("5","5","3","5","6","7","1","1") = "6"
    & skf21("5","5","3","5","6","7","2","1") = "6"
    & skf21("5","5","3","5","6","7","3","1") = "6"
    & skf21("5","5","3","5","6","7","4","1") = "6"
    & skf21("5","5","3","5","6","7","5","1") = "6"
    & skf21("5","5","3","5","6","7","6","1") = "6"
    & skf21("5","5","3","5","6","7","7","1") = "6"
    & skf21("5","5","3","5","7","1","1","1") = "6"
    & skf21("5","5","3","5","7","1","2","1") = "6"
    & skf21("5","5","3","5","7","1","3","1") = "6"
    & skf21("5","5","3","5","7","1","4","1") = "6"
    & skf21("5","5","3","5","7","1","5","1") = "6"
    & skf21("5","5","3","5","7","1","6","1") = "6"
    & skf21("5","5","3","5","7","1","7","1") = "6"
    & skf21("5","5","3","5","7","2","1","1") = "6"
    & skf21("5","5","3","5","7","2","2","1") = "6"
    & skf21("5","5","3","5","7","2","3","1") = "6"
    & skf21("5","5","3","5","7","2","4","1") = "6"
    & skf21("5","5","3","5","7","2","5","1") = "6"
    & skf21("5","5","3","5","7","2","6","1") = "6"
    & skf21("5","5","3","5","7","2","7","1") = "6"
    & skf21("5","5","3","5","7","3","1","1") = "6"
    & skf21("5","5","3","5","7","3","2","1") = "6"
    & skf21("5","5","3","5","7","3","3","1") = "6"
    & skf21("5","5","3","5","7","3","4","1") = "6"
    & skf21("5","5","3","5","7","3","5","1") = "6"
    & skf21("5","5","3","5","7","3","6","1") = "6"
    & skf21("5","5","3","5","7","3","7","1") = "6"
    & skf21("5","5","3","5","7","4","1","1") = "6"
    & skf21("5","5","3","5","7","4","2","1") = "6"
    & skf21("5","5","3","5","7","4","3","1") = "6"
    & skf21("5","5","3","5","7","4","4","1") = "6"
    & skf21("5","5","3","5","7","4","5","1") = "6"
    & skf21("5","5","3","5","7","4","6","1") = "6"
    & skf21("5","5","3","5","7","4","7","1") = "6"
    & skf21("5","5","3","5","7","5","1","1") = "6"
    & skf21("5","5","3","5","7","5","2","1") = "6"
    & skf21("5","5","3","5","7","5","3","1") = "6"
    & skf21("5","5","3","5","7","5","4","1") = "6"
    & skf21("5","5","3","5","7","5","5","1") = "6"
    & skf21("5","5","3","5","7","5","6","1") = "6"
    & skf21("5","5","3","5","7","5","7","1") = "6"
    & skf21("5","5","3","5","7","6","1","1") = "6"
    & skf21("5","5","3","5","7","6","2","1") = "6"
    & skf21("5","5","3","5","7","6","3","1") = "6"
    & skf21("5","5","3","5","7","6","4","1") = "6"
    & skf21("5","5","3","5","7","6","5","1") = "6"
    & skf21("5","5","3","5","7","6","6","1") = "6"
    & skf21("5","5","3","5","7","6","7","1") = "6"
    & skf21("5","5","3","5","7","7","1","1") = "6"
    & skf21("5","5","3","5","7","7","2","1") = "6"
    & skf21("5","5","3","5","7","7","3","1") = "6"
    & skf21("5","5","3","5","7","7","4","1") = "6"
    & skf21("5","5","3","5","7","7","5","1") = "6"
    & skf21("5","5","3","5","7","7","6","1") = "6"
    & skf21("5","5","3","5","7","7","7","1") = "6"
    & skf21("5","5","3","6","1","1","1","1") = "5"
    & skf21("5","5","3","6","1","1","2","1") = "5"
    & skf21("5","5","3","6","1","1","3","1") = "5"
    & skf21("5","5","3","6","1","1","4","1") = "5"
    & skf21("5","5","3","6","1","1","5","1") = "5"
    & skf21("5","5","3","6","1","1","6","1") = "5"
    & skf21("5","5","3","6","1","1","7","1") = "6"
    & skf21("5","5","3","6","1","2","1","1") = "5"
    & skf21("5","5","3","6","1","2","2","1") = "5"
    & skf21("5","5","3","6","1","2","3","1") = "5"
    & skf21("5","5","3","6","1","2","4","1") = "5"
    & skf21("5","5","3","6","1","2","5","1") = "5"
    & skf21("5","5","3","6","1","2","6","1") = "5"
    & skf21("5","5","3","6","1","2","7","1") = "6"
    & skf21("5","5","3","6","1","3","1","1") = "5"
    & skf21("5","5","3","6","1","3","2","1") = "5"
    & skf21("5","5","3","6","1","3","3","1") = "5"
    & skf21("5","5","3","6","1","3","4","1") = "5"
    & skf21("5","5","3","6","1","3","5","1") = "5"
    & skf21("5","5","3","6","1","3","6","1") = "5"
    & skf21("5","5","3","6","1","3","7","1") = "6"
    & skf21("5","5","3","6","1","4","1","1") = "5"
    & skf21("5","5","3","6","1","4","2","1") = "5"
    & skf21("5","5","3","6","1","4","3","1") = "5"
    & skf21("5","5","3","6","1","4","4","1") = "5"
    & skf21("5","5","3","6","1","4","5","1") = "5"
    & skf21("5","5","3","6","1","4","6","1") = "5"
    & skf21("5","5","3","6","1","4","7","1") = "6"
    & skf21("5","5","3","6","1","5","1","1") = "5"
    & skf21("5","5","3","6","1","5","2","1") = "5"
    & skf21("5","5","3","6","1","5","3","1") = "5"
    & skf21("5","5","3","6","1","5","4","1") = "5"
    & skf21("5","5","3","6","1","5","5","1") = "5"
    & skf21("5","5","3","6","1","5","6","1") = "5"
    & skf21("5","5","3","6","1","5","7","1") = "6"
    & skf21("5","5","3","6","1","6","1","1") = "5"
    & skf21("5","5","3","6","1","6","2","1") = "5"
    & skf21("5","5","3","6","1","6","3","1") = "5"
    & skf21("5","5","3","6","1","6","4","1") = "5"
    & skf21("5","5","3","6","1","6","5","1") = "5"
    & skf21("5","5","3","6","1","6","6","1") = "5"
    & skf21("5","5","3","6","1","6","7","1") = "6"
    & skf21("5","5","3","6","1","7","1","1") = "6"
    & skf21("5","5","3","6","1","7","2","1") = "6"
    & skf21("5","5","3","6","1","7","3","1") = "6"
    & skf21("5","5","3","6","1","7","4","1") = "6"
    & skf21("5","5","3","6","1","7","5","1") = "6"
    & skf21("5","5","3","6","1","7","6","1") = "6"
    & skf21("5","5","3","6","1","7","7","1") = "6"
    & skf21("5","5","3","6","2","1","1","1") = "5"
    & skf21("5","5","3","6","2","1","2","1") = "5"
    & skf21("5","5","3","6","2","1","3","1") = "5"
    & skf21("5","5","3","6","2","1","4","1") = "5"
    & skf21("5","5","3","6","2","1","5","1") = "5"
    & skf21("5","5","3","6","2","1","6","1") = "5"
    & skf21("5","5","3","6","2","1","7","1") = "6"
    & skf21("5","5","3","6","2","2","1","1") = "5"
    & skf21("5","5","3","6","2","2","2","1") = "5"
    & skf21("5","5","3","6","2","2","3","1") = "5"
    & skf21("5","5","3","6","2","2","4","1") = "5"
    & skf21("5","5","3","6","2","2","5","1") = "5"
    & skf21("5","5","3","6","2","2","6","1") = "5"
    & skf21("5","5","3","6","2","2","7","1") = "6"
    & skf21("5","5","3","6","2","3","1","1") = "5"
    & skf21("5","5","3","6","2","3","2","1") = "5"
    & skf21("5","5","3","6","2","3","3","1") = "5"
    & skf21("5","5","3","6","2","3","4","1") = "5"
    & skf21("5","5","3","6","2","3","5","1") = "5"
    & skf21("5","5","3","6","2","3","6","1") = "5"
    & skf21("5","5","3","6","2","3","7","1") = "6"
    & skf21("5","5","3","6","2","4","1","1") = "5"
    & skf21("5","5","3","6","2","4","2","1") = "5"
    & skf21("5","5","3","6","2","4","3","1") = "5"
    & skf21("5","5","3","6","2","4","4","1") = "5"
    & skf21("5","5","3","6","2","4","5","1") = "5"
    & skf21("5","5","3","6","2","4","6","1") = "5"
    & skf21("5","5","3","6","2","4","7","1") = "6"
    & skf21("5","5","3","6","2","5","1","1") = "5"
    & skf21("5","5","3","6","2","5","2","1") = "5"
    & skf21("5","5","3","6","2","5","3","1") = "5"
    & skf21("5","5","3","6","2","5","4","1") = "5"
    & skf21("5","5","3","6","2","5","5","1") = "5"
    & skf21("5","5","3","6","2","5","6","1") = "5"
    & skf21("5","5","3","6","2","5","7","1") = "6"
    & skf21("5","5","3","6","2","6","1","1") = "5"
    & skf21("5","5","3","6","2","6","2","1") = "5"
    & skf21("5","5","3","6","2","6","3","1") = "5"
    & skf21("5","5","3","6","2","6","4","1") = "5"
    & skf21("5","5","3","6","2","6","5","1") = "5"
    & skf21("5","5","3","6","2","6","6","1") = "5"
    & skf21("5","5","3","6","2","6","7","1") = "6"
    & skf21("5","5","3","6","2","7","1","1") = "6"
    & skf21("5","5","3","6","2","7","2","1") = "6"
    & skf21("5","5","3","6","2","7","3","1") = "6"
    & skf21("5","5","3","6","2","7","4","1") = "6"
    & skf21("5","5","3","6","2","7","5","1") = "6"
    & skf21("5","5","3","6","2","7","6","1") = "6"
    & skf21("5","5","3","6","2","7","7","1") = "6"
    & skf21("5","5","3","6","3","1","1","1") = "5"
    & skf21("5","5","3","6","3","1","2","1") = "5"
    & skf21("5","5","3","6","3","1","3","1") = "5"
    & skf21("5","5","3","6","3","1","4","1") = "5"
    & skf21("5","5","3","6","3","1","5","1") = "5"
    & skf21("5","5","3","6","3","1","6","1") = "5"
    & skf21("5","5","3","6","3","1","7","1") = "6"
    & skf21("5","5","3","6","3","2","1","1") = "5"
    & skf21("5","5","3","6","3","2","2","1") = "5"
    & skf21("5","5","3","6","3","2","3","1") = "5"
    & skf21("5","5","3","6","3","2","4","1") = "5"
    & skf21("5","5","3","6","3","2","5","1") = "5"
    & skf21("5","5","3","6","3","2","6","1") = "5"
    & skf21("5","5","3","6","3","2","7","1") = "6"
    & skf21("5","5","3","6","3","3","1","1") = "5"
    & skf21("5","5","3","6","3","3","2","1") = "5"
    & skf21("5","5","3","6","3","3","3","1") = "5"
    & skf21("5","5","3","6","3","3","4","1") = "5"
    & skf21("5","5","3","6","3","3","5","1") = "5"
    & skf21("5","5","3","6","3","3","6","1") = "5"
    & skf21("5","5","3","6","3","3","7","1") = "6"
    & skf21("5","5","3","6","3","4","1","1") = "5"
    & skf21("5","5","3","6","3","4","2","1") = "5"
    & skf21("5","5","3","6","3","4","3","1") = "5"
    & skf21("5","5","3","6","3","4","4","1") = "5"
    & skf21("5","5","3","6","3","4","5","1") = "5"
    & skf21("5","5","3","6","3","4","6","1") = "5"
    & skf21("5","5","3","6","3","4","7","1") = "6"
    & skf21("5","5","3","6","3","5","1","1") = "5"
    & skf21("5","5","3","6","3","5","2","1") = "5"
    & skf21("5","5","3","6","3","5","3","1") = "5"
    & skf21("5","5","3","6","3","5","4","1") = "5"
    & skf21("5","5","3","6","3","5","5","1") = "5"
    & skf21("5","5","3","6","3","5","6","1") = "5"
    & skf21("5","5","3","6","3","5","7","1") = "6"
    & skf21("5","5","3","6","3","6","1","1") = "5"
    & skf21("5","5","3","6","3","6","2","1") = "5"
    & skf21("5","5","3","6","3","6","3","1") = "5"
    & skf21("5","5","3","6","3","6","4","1") = "5"
    & skf21("5","5","3","6","3","6","5","1") = "5"
    & skf21("5","5","3","6","3","6","6","1") = "5"
    & skf21("5","5","3","6","3","6","7","1") = "6"
    & skf21("5","5","3","6","3","7","1","1") = "6"
    & skf21("5","5","3","6","3","7","2","1") = "6"
    & skf21("5","5","3","6","3","7","3","1") = "6"
    & skf21("5","5","3","6","3","7","4","1") = "6"
    & skf21("5","5","3","6","3","7","5","1") = "6"
    & skf21("5","5","3","6","3","7","6","1") = "6"
    & skf21("5","5","3","6","3","7","7","1") = "6"
    & skf21("5","5","3","6","4","1","1","1") = "5"
    & skf21("5","5","3","6","4","1","2","1") = "5"
    & skf21("5","5","3","6","4","1","3","1") = "5"
    & skf21("5","5","3","6","4","1","4","1") = "5"
    & skf21("5","5","3","6","4","1","5","1") = "5"
    & skf21("5","5","3","6","4","1","6","1") = "5"
    & skf21("5","5","3","6","4","1","7","1") = "6"
    & skf21("5","5","3","6","4","2","1","1") = "5"
    & skf21("5","5","3","6","4","2","2","1") = "5"
    & skf21("5","5","3","6","4","2","3","1") = "5"
    & skf21("5","5","3","6","4","2","4","1") = "5"
    & skf21("5","5","3","6","4","2","5","1") = "5"
    & skf21("5","5","3","6","4","2","6","1") = "5"
    & skf21("5","5","3","6","4","2","7","1") = "6"
    & skf21("5","5","3","6","4","3","1","1") = "5"
    & skf21("5","5","3","6","4","3","2","1") = "5"
    & skf21("5","5","3","6","4","3","3","1") = "5"
    & skf21("5","5","3","6","4","3","4","1") = "5"
    & skf21("5","5","3","6","4","3","5","1") = "5"
    & skf21("5","5","3","6","4","3","6","1") = "5"
    & skf21("5","5","3","6","4","3","7","1") = "6"
    & skf21("5","5","3","6","4","4","1","1") = "5"
    & skf21("5","5","3","6","4","4","2","1") = "5"
    & skf21("5","5","3","6","4","4","3","1") = "5"
    & skf21("5","5","3","6","4","4","4","1") = "5"
    & skf21("5","5","3","6","4","4","5","1") = "5"
    & skf21("5","5","3","6","4","4","6","1") = "5"
    & skf21("5","5","3","6","4","4","7","1") = "6"
    & skf21("5","5","3","6","4","5","1","1") = "5"
    & skf21("5","5","3","6","4","5","2","1") = "5"
    & skf21("5","5","3","6","4","5","3","1") = "5"
    & skf21("5","5","3","6","4","5","4","1") = "5"
    & skf21("5","5","3","6","4","5","5","1") = "5"
    & skf21("5","5","3","6","4","5","6","1") = "5"
    & skf21("5","5","3","6","4","5","7","1") = "6"
    & skf21("5","5","3","6","4","6","1","1") = "5"
    & skf21("5","5","3","6","4","6","2","1") = "5"
    & skf21("5","5","3","6","4","6","3","1") = "5"
    & skf21("5","5","3","6","4","6","4","1") = "5"
    & skf21("5","5","3","6","4","6","5","1") = "5"
    & skf21("5","5","3","6","4","6","6","1") = "5"
    & skf21("5","5","3","6","4","6","7","1") = "6"
    & skf21("5","5","3","6","4","7","1","1") = "6"
    & skf21("5","5","3","6","4","7","2","1") = "6"
    & skf21("5","5","3","6","4","7","3","1") = "6"
    & skf21("5","5","3","6","4","7","4","1") = "6"
    & skf21("5","5","3","6","4","7","5","1") = "6"
    & skf21("5","5","3","6","4","7","6","1") = "6"
    & skf21("5","5","3","6","4","7","7","1") = "6"
    & skf21("5","5","3","6","5","1","1","1") = "5"
    & skf21("5","5","3","6","5","1","2","1") = "5"
    & skf21("5","5","3","6","5","1","3","1") = "5"
    & skf21("5","5","3","6","5","1","4","1") = "5"
    & skf21("5","5","3","6","5","1","5","1") = "5"
    & skf21("5","5","3","6","5","1","6","1") = "5"
    & skf21("5","5","3","6","5","1","7","1") = "6"
    & skf21("5","5","3","6","5","2","1","1") = "5"
    & skf21("5","5","3","6","5","2","2","1") = "5"
    & skf21("5","5","3","6","5","2","3","1") = "5"
    & skf21("5","5","3","6","5","2","4","1") = "5"
    & skf21("5","5","3","6","5","2","5","1") = "5"
    & skf21("5","5","3","6","5","2","6","1") = "5"
    & skf21("5","5","3","6","5","2","7","1") = "6"
    & skf21("5","5","3","6","5","3","1","1") = "5"
    & skf21("5","5","3","6","5","3","2","1") = "5"
    & skf21("5","5","3","6","5","3","3","1") = "5"
    & skf21("5","5","3","6","5","3","4","1") = "5"
    & skf21("5","5","3","6","5","3","5","1") = "5"
    & skf21("5","5","3","6","5","3","6","1") = "5"
    & skf21("5","5","3","6","5","3","7","1") = "6"
    & skf21("5","5","3","6","5","4","1","1") = "5"
    & skf21("5","5","3","6","5","4","2","1") = "5"
    & skf21("5","5","3","6","5","4","3","1") = "5"
    & skf21("5","5","3","6","5","4","4","1") = "5"
    & skf21("5","5","3","6","5","4","5","1") = "5"
    & skf21("5","5","3","6","5","4","6","1") = "5"
    & skf21("5","5","3","6","5","4","7","1") = "6"
    & skf21("5","5","3","6","5","5","1","1") = "5"
    & skf21("5","5","3","6","5","5","2","1") = "5"
    & skf21("5","5","3","6","5","5","3","1") = "5"
    & skf21("5","5","3","6","5","5","4","1") = "5"
    & skf21("5","5","3","6","5","5","5","1") = "5"
    & skf21("5","5","3","6","5","5","6","1") = "5"
    & skf21("5","5","3","6","5","5","7","1") = "6"
    & skf21("5","5","3","6","5","6","1","1") = "5"
    & skf21("5","5","3","6","5","6","2","1") = "5"
    & skf21("5","5","3","6","5","6","3","1") = "5"
    & skf21("5","5","3","6","5","6","4","1") = "5"
    & skf21("5","5","3","6","5","6","5","1") = "5"
    & skf21("5","5","3","6","5","6","6","1") = "5"
    & skf21("5","5","3","6","5","6","7","1") = "6"
    & skf21("5","5","3","6","5","7","1","1") = "6"
    & skf21("5","5","3","6","5","7","2","1") = "6"
    & skf21("5","5","3","6","5","7","3","1") = "6"
    & skf21("5","5","3","6","5","7","4","1") = "6"
    & skf21("5","5","3","6","5","7","5","1") = "6"
    & skf21("5","5","3","6","5","7","6","1") = "6"
    & skf21("5","5","3","6","5","7","7","1") = "6"
    & skf21("5","5","3","6","6","1","1","1") = "5"
    & skf21("5","5","3","6","6","1","2","1") = "5"
    & skf21("5","5","3","6","6","1","3","1") = "5"
    & skf21("5","5","3","6","6","1","4","1") = "5"
    & skf21("5","5","3","6","6","1","5","1") = "5"
    & skf21("5","5","3","6","6","1","6","1") = "5"
    & skf21("5","5","3","6","6","1","7","1") = "6"
    & skf21("5","5","3","6","6","2","1","1") = "5"
    & skf21("5","5","3","6","6","2","2","1") = "5"
    & skf21("5","5","3","6","6","2","3","1") = "5"
    & skf21("5","5","3","6","6","2","4","1") = "5"
    & skf21("5","5","3","6","6","2","5","1") = "5"
    & skf21("5","5","3","6","6","2","6","1") = "5"
    & skf21("5","5","3","6","6","2","7","1") = "6"
    & skf21("5","5","3","6","6","3","1","1") = "5"
    & skf21("5","5","3","6","6","3","2","1") = "5"
    & skf21("5","5","3","6","6","3","3","1") = "5"
    & skf21("5","5","3","6","6","3","4","1") = "5"
    & skf21("5","5","3","6","6","3","5","1") = "5"
    & skf21("5","5","3","6","6","3","6","1") = "5"
    & skf21("5","5","3","6","6","3","7","1") = "6"
    & skf21("5","5","3","6","6","4","1","1") = "5"
    & skf21("5","5","3","6","6","4","2","1") = "5"
    & skf21("5","5","3","6","6","4","3","1") = "5"
    & skf21("5","5","3","6","6","4","4","1") = "5"
    & skf21("5","5","3","6","6","4","5","1") = "5"
    & skf21("5","5","3","6","6","4","6","1") = "5"
    & skf21("5","5","3","6","6","4","7","1") = "6"
    & skf21("5","5","3","6","6","5","1","1") = "5"
    & skf21("5","5","3","6","6","5","2","1") = "5"
    & skf21("5","5","3","6","6","5","3","1") = "5"
    & skf21("5","5","3","6","6","5","4","1") = "5"
    & skf21("5","5","3","6","6","5","5","1") = "5"
    & skf21("5","5","3","6","6","5","6","1") = "5"
    & skf21("5","5","3","6","6","5","7","1") = "6"
    & skf21("5","5","3","6","6","6","1","1") = "5"
    & skf21("5","5","3","6","6","6","2","1") = "5"
    & skf21("5","5","3","6","6","6","3","1") = "5"
    & skf21("5","5","3","6","6","6","4","1") = "5"
    & skf21("5","5","3","6","6","6","5","1") = "5"
    & skf21("5","5","3","6","6","6","6","1") = "5"
    & skf21("5","5","3","6","6","6","7","1") = "6"
    & skf21("5","5","3","6","6","7","1","1") = "6"
    & skf21("5","5","3","6","6","7","2","1") = "6"
    & skf21("5","5","3","6","6","7","3","1") = "6"
    & skf21("5","5","3","6","6","7","4","1") = "6"
    & skf21("5","5","3","6","6","7","5","1") = "6"
    & skf21("5","5","3","6","6","7","6","1") = "6"
    & skf21("5","5","3","6","6","7","7","1") = "6"
    & skf21("5","5","3","6","7","1","1","1") = "6"
    & skf21("5","5","3","6","7","1","2","1") = "6"
    & skf21("5","5","3","6","7","1","3","1") = "6"
    & skf21("5","5","3","6","7","1","4","1") = "6"
    & skf21("5","5","3","6","7","1","5","1") = "6"
    & skf21("5","5","3","6","7","1","6","1") = "6"
    & skf21("5","5","3","6","7","1","7","1") = "6"
    & skf21("5","5","3","6","7","2","1","1") = "6"
    & skf21("5","5","3","6","7","2","2","1") = "6"
    & skf21("5","5","3","6","7","2","3","1") = "6"
    & skf21("5","5","3","6","7","2","4","1") = "6"
    & skf21("5","5","3","6","7","2","5","1") = "6"
    & skf21("5","5","3","6","7","2","6","1") = "6"
    & skf21("5","5","3","6","7","2","7","1") = "6"
    & skf21("5","5","3","6","7","3","1","1") = "6"
    & skf21("5","5","3","6","7","3","2","1") = "6"
    & skf21("5","5","3","6","7","3","3","1") = "6"
    & skf21("5","5","3","6","7","3","4","1") = "6"
    & skf21("5","5","3","6","7","3","5","1") = "6"
    & skf21("5","5","3","6","7","3","6","1") = "6"
    & skf21("5","5","3","6","7","3","7","1") = "6"
    & skf21("5","5","3","6","7","4","1","1") = "6"
    & skf21("5","5","3","6","7","4","2","1") = "6"
    & skf21("5","5","3","6","7","4","3","1") = "6"
    & skf21("5","5","3","6","7","4","4","1") = "6"
    & skf21("5","5","3","6","7","4","5","1") = "6"
    & skf21("5","5","3","6","7","4","6","1") = "6"
    & skf21("5","5","3","6","7","4","7","1") = "6"
    & skf21("5","5","3","6","7","5","1","1") = "6"
    & skf21("5","5","3","6","7","5","2","1") = "6"
    & skf21("5","5","3","6","7","5","3","1") = "6"
    & skf21("5","5","3","6","7","5","4","1") = "6"
    & skf21("5","5","3","6","7","5","5","1") = "6"
    & skf21("5","5","3","6","7","5","6","1") = "6"
    & skf21("5","5","3","6","7","5","7","1") = "6"
    & skf21("5","5","3","6","7","6","1","1") = "6"
    & skf21("5","5","3","6","7","6","2","1") = "6"
    & skf21("5","5","3","6","7","6","3","1") = "6"
    & skf21("5","5","3","6","7","6","4","1") = "6"
    & skf21("5","5","3","6","7","6","5","1") = "6"
    & skf21("5","5","3","6","7","6","6","1") = "6"
    & skf21("5","5","3","6","7","6","7","1") = "6"
    & skf21("5","5","3","6","7","7","1","1") = "6"
    & skf21("5","5","3","6","7","7","2","1") = "6"
    & skf21("5","5","3","6","7","7","3","1") = "6"
    & skf21("5","5","3","6","7","7","4","1") = "6"
    & skf21("5","5","3","6","7","7","5","1") = "6"
    & skf21("5","5","3","6","7","7","6","1") = "6"
    & skf21("5","5","3","6","7","7","7","1") = "6"
    & skf21("5","5","3","7","1","1","1","1") = "6"
    & skf21("5","5","3","7","1","1","2","1") = "6"
    & skf21("5","5","3","7","1","1","3","1") = "6"
    & skf21("5","5","3","7","1","1","4","1") = "6"
    & skf21("5","5","3","7","1","1","5","1") = "6"
    & skf21("5","5","3","7","1","1","6","1") = "6"
    & skf21("5","5","3","7","1","1","7","1") = "6"
    & skf21("5","5","3","7","1","2","1","1") = "6"
    & skf21("5","5","3","7","1","2","2","1") = "6"
    & skf21("5","5","3","7","1","2","3","1") = "6"
    & skf21("5","5","3","7","1","2","4","1") = "6"
    & skf21("5","5","3","7","1","2","5","1") = "6"
    & skf21("5","5","3","7","1","2","6","1") = "6"
    & skf21("5","5","3","7","1","2","7","1") = "6"
    & skf21("5","5","3","7","1","3","1","1") = "6"
    & skf21("5","5","3","7","1","3","2","1") = "6"
    & skf21("5","5","3","7","1","3","3","1") = "6"
    & skf21("5","5","3","7","1","3","4","1") = "6"
    & skf21("5","5","3","7","1","3","5","1") = "6"
    & skf21("5","5","3","7","1","3","6","1") = "6"
    & skf21("5","5","3","7","1","3","7","1") = "6"
    & skf21("5","5","3","7","1","4","1","1") = "6"
    & skf21("5","5","3","7","1","4","2","1") = "6"
    & skf21("5","5","3","7","1","4","3","1") = "6"
    & skf21("5","5","3","7","1","4","4","1") = "6"
    & skf21("5","5","3","7","1","4","5","1") = "6"
    & skf21("5","5","3","7","1","4","6","1") = "6"
    & skf21("5","5","3","7","1","4","7","1") = "6"
    & skf21("5","5","3","7","1","5","1","1") = "6"
    & skf21("5","5","3","7","1","5","2","1") = "6"
    & skf21("5","5","3","7","1","5","3","1") = "6"
    & skf21("5","5","3","7","1","5","4","1") = "6"
    & skf21("5","5","3","7","1","5","5","1") = "6"
    & skf21("5","5","3","7","1","5","6","1") = "6"
    & skf21("5","5","3","7","1","5","7","1") = "6"
    & skf21("5","5","3","7","1","6","1","1") = "6"
    & skf21("5","5","3","7","1","6","2","1") = "6"
    & skf21("5","5","3","7","1","6","3","1") = "6"
    & skf21("5","5","3","7","1","6","4","1") = "6"
    & skf21("5","5","3","7","1","6","5","1") = "6"
    & skf21("5","5","3","7","1","6","6","1") = "6"
    & skf21("5","5","3","7","1","6","7","1") = "6"
    & skf21("5","5","3","7","1","7","1","1") = "6"
    & skf21("5","5","3","7","1","7","2","1") = "6"
    & skf21("5","5","3","7","1","7","3","1") = "6"
    & skf21("5","5","3","7","1","7","4","1") = "6"
    & skf21("5","5","3","7","1","7","5","1") = "6"
    & skf21("5","5","3","7","1","7","6","1") = "6"
    & skf21("5","5","3","7","1","7","7","1") = "6"
    & skf21("5","5","3","7","2","1","1","1") = "6"
    & skf21("5","5","3","7","2","1","2","1") = "6"
    & skf21("5","5","3","7","2","1","3","1") = "6"
    & skf21("5","5","3","7","2","1","4","1") = "6"
    & skf21("5","5","3","7","2","1","5","1") = "6"
    & skf21("5","5","3","7","2","1","6","1") = "6"
    & skf21("5","5","3","7","2","1","7","1") = "6"
    & skf21("5","5","3","7","2","2","1","1") = "6"
    & skf21("5","5","3","7","2","2","2","1") = "6"
    & skf21("5","5","3","7","2","2","3","1") = "6"
    & skf21("5","5","3","7","2","2","4","1") = "6"
    & skf21("5","5","3","7","2","2","5","1") = "6"
    & skf21("5","5","3","7","2","2","6","1") = "6"
    & skf21("5","5","3","7","2","2","7","1") = "6"
    & skf21("5","5","3","7","2","3","1","1") = "6"
    & skf21("5","5","3","7","2","3","2","1") = "6"
    & skf21("5","5","3","7","2","3","3","1") = "6"
    & skf21("5","5","3","7","2","3","4","1") = "6"
    & skf21("5","5","3","7","2","3","5","1") = "6"
    & skf21("5","5","3","7","2","3","6","1") = "6"
    & skf21("5","5","3","7","2","3","7","1") = "6"
    & skf21("5","5","3","7","2","4","1","1") = "6"
    & skf21("5","5","3","7","2","4","2","1") = "6"
    & skf21("5","5","3","7","2","4","3","1") = "6"
    & skf21("5","5","3","7","2","4","4","1") = "6"
    & skf21("5","5","3","7","2","4","5","1") = "6"
    & skf21("5","5","3","7","2","4","6","1") = "6"
    & skf21("5","5","3","7","2","4","7","1") = "6"
    & skf21("5","5","3","7","2","5","1","1") = "6"
    & skf21("5","5","3","7","2","5","2","1") = "6"
    & skf21("5","5","3","7","2","5","3","1") = "6"
    & skf21("5","5","3","7","2","5","4","1") = "6"
    & skf21("5","5","3","7","2","5","5","1") = "6"
    & skf21("5","5","3","7","2","5","6","1") = "6"
    & skf21("5","5","3","7","2","5","7","1") = "6"
    & skf21("5","5","3","7","2","6","1","1") = "6"
    & skf21("5","5","3","7","2","6","2","1") = "6"
    & skf21("5","5","3","7","2","6","3","1") = "6"
    & skf21("5","5","3","7","2","6","4","1") = "6"
    & skf21("5","5","3","7","2","6","5","1") = "6"
    & skf21("5","5","3","7","2","6","6","1") = "6"
    & skf21("5","5","3","7","2","6","7","1") = "6"
    & skf21("5","5","3","7","2","7","1","1") = "6"
    & skf21("5","5","3","7","2","7","2","1") = "6"
    & skf21("5","5","3","7","2","7","3","1") = "6"
    & skf21("5","5","3","7","2","7","4","1") = "6"
    & skf21("5","5","3","7","2","7","5","1") = "6"
    & skf21("5","5","3","7","2","7","6","1") = "6"
    & skf21("5","5","3","7","2","7","7","1") = "6"
    & skf21("5","5","3","7","3","1","1","1") = "6"
    & skf21("5","5","3","7","3","1","2","1") = "6"
    & skf21("5","5","3","7","3","1","3","1") = "6"
    & skf21("5","5","3","7","3","1","4","1") = "6"
    & skf21("5","5","3","7","3","1","5","1") = "6"
    & skf21("5","5","3","7","3","1","6","1") = "6"
    & skf21("5","5","3","7","3","1","7","1") = "6"
    & skf21("5","5","3","7","3","2","1","1") = "6"
    & skf21("5","5","3","7","3","2","2","1") = "6"
    & skf21("5","5","3","7","3","2","3","1") = "6"
    & skf21("5","5","3","7","3","2","4","1") = "6"
    & skf21("5","5","3","7","3","2","5","1") = "6"
    & skf21("5","5","3","7","3","2","6","1") = "6"
    & skf21("5","5","3","7","3","2","7","1") = "6"
    & skf21("5","5","3","7","3","3","1","1") = "6"
    & skf21("5","5","3","7","3","3","2","1") = "6"
    & skf21("5","5","3","7","3","3","3","1") = "6"
    & skf21("5","5","3","7","3","3","4","1") = "6"
    & skf21("5","5","3","7","3","3","5","1") = "6"
    & skf21("5","5","3","7","3","3","6","1") = "6"
    & skf21("5","5","3","7","3","3","7","1") = "6"
    & skf21("5","5","3","7","3","4","1","1") = "6"
    & skf21("5","5","3","7","3","4","2","1") = "6"
    & skf21("5","5","3","7","3","4","3","1") = "6"
    & skf21("5","5","3","7","3","4","4","1") = "6"
    & skf21("5","5","3","7","3","4","5","1") = "6"
    & skf21("5","5","3","7","3","4","6","1") = "6"
    & skf21("5","5","3","7","3","4","7","1") = "6"
    & skf21("5","5","3","7","3","5","1","1") = "6"
    & skf21("5","5","3","7","3","5","2","1") = "6"
    & skf21("5","5","3","7","3","5","3","1") = "6"
    & skf21("5","5","3","7","3","5","4","1") = "6"
    & skf21("5","5","3","7","3","5","5","1") = "6"
    & skf21("5","5","3","7","3","5","6","1") = "6"
    & skf21("5","5","3","7","3","5","7","1") = "6"
    & skf21("5","5","3","7","3","6","1","1") = "6"
    & skf21("5","5","3","7","3","6","2","1") = "6"
    & skf21("5","5","3","7","3","6","3","1") = "6"
    & skf21("5","5","3","7","3","6","4","1") = "6"
    & skf21("5","5","3","7","3","6","5","1") = "6"
    & skf21("5","5","3","7","3","6","6","1") = "6"
    & skf21("5","5","3","7","3","6","7","1") = "6"
    & skf21("5","5","3","7","3","7","1","1") = "6"
    & skf21("5","5","3","7","3","7","2","1") = "6"
    & skf21("5","5","3","7","3","7","3","1") = "6"
    & skf21("5","5","3","7","3","7","4","1") = "6"
    & skf21("5","5","3","7","3","7","5","1") = "6"
    & skf21("5","5","3","7","3","7","6","1") = "6"
    & skf21("5","5","3","7","3","7","7","1") = "6"
    & skf21("5","5","3","7","4","1","1","1") = "6"
    & skf21("5","5","3","7","4","1","2","1") = "6"
    & skf21("5","5","3","7","4","1","3","1") = "6"
    & skf21("5","5","3","7","4","1","4","1") = "6"
    & skf21("5","5","3","7","4","1","5","1") = "6"
    & skf21("5","5","3","7","4","1","6","1") = "6"
    & skf21("5","5","3","7","4","1","7","1") = "6"
    & skf21("5","5","3","7","4","2","1","1") = "6"
    & skf21("5","5","3","7","4","2","2","1") = "6"
    & skf21("5","5","3","7","4","2","3","1") = "6"
    & skf21("5","5","3","7","4","2","4","1") = "6"
    & skf21("5","5","3","7","4","2","5","1") = "6"
    & skf21("5","5","3","7","4","2","6","1") = "6"
    & skf21("5","5","3","7","4","2","7","1") = "6"
    & skf21("5","5","3","7","4","3","1","1") = "6"
    & skf21("5","5","3","7","4","3","2","1") = "6"
    & skf21("5","5","3","7","4","3","3","1") = "6"
    & skf21("5","5","3","7","4","3","4","1") = "6"
    & skf21("5","5","3","7","4","3","5","1") = "6"
    & skf21("5","5","3","7","4","3","6","1") = "6"
    & skf21("5","5","3","7","4","3","7","1") = "6"
    & skf21("5","5","3","7","4","4","1","1") = "6"
    & skf21("5","5","3","7","4","4","2","1") = "6"
    & skf21("5","5","3","7","4","4","3","1") = "6"
    & skf21("5","5","3","7","4","4","4","1") = "6"
    & skf21("5","5","3","7","4","4","5","1") = "6"
    & skf21("5","5","3","7","4","4","6","1") = "6"
    & skf21("5","5","3","7","4","4","7","1") = "6"
    & skf21("5","5","3","7","4","5","1","1") = "6"
    & skf21("5","5","3","7","4","5","2","1") = "6"
    & skf21("5","5","3","7","4","5","3","1") = "6"
    & skf21("5","5","3","7","4","5","4","1") = "6"
    & skf21("5","5","3","7","4","5","5","1") = "6"
    & skf21("5","5","3","7","4","5","6","1") = "6"
    & skf21("5","5","3","7","4","5","7","1") = "6"
    & skf21("5","5","3","7","4","6","1","1") = "6"
    & skf21("5","5","3","7","4","6","2","1") = "6"
    & skf21("5","5","3","7","4","6","3","1") = "6"
    & skf21("5","5","3","7","4","6","4","1") = "6"
    & skf21("5","5","3","7","4","6","5","1") = "6"
    & skf21("5","5","3","7","4","6","6","1") = "6"
    & skf21("5","5","3","7","4","6","7","1") = "6"
    & skf21("5","5","3","7","4","7","1","1") = "6"
    & skf21("5","5","3","7","4","7","2","1") = "6"
    & skf21("5","5","3","7","4","7","3","1") = "6"
    & skf21("5","5","3","7","4","7","4","1") = "6"
    & skf21("5","5","3","7","4","7","5","1") = "6"
    & skf21("5","5","3","7","4","7","6","1") = "6"
    & skf21("5","5","3","7","4","7","7","1") = "6"
    & skf21("5","5","3","7","5","1","1","1") = "6"
    & skf21("5","5","3","7","5","1","2","1") = "6"
    & skf21("5","5","3","7","5","1","3","1") = "6"
    & skf21("5","5","3","7","5","1","4","1") = "6"
    & skf21("5","5","3","7","5","1","5","1") = "6"
    & skf21("5","5","3","7","5","1","6","1") = "6"
    & skf21("5","5","3","7","5","1","7","1") = "6"
    & skf21("5","5","3","7","5","2","1","1") = "6"
    & skf21("5","5","3","7","5","2","2","1") = "6"
    & skf21("5","5","3","7","5","2","3","1") = "6"
    & skf21("5","5","3","7","5","2","4","1") = "6"
    & skf21("5","5","3","7","5","2","5","1") = "6"
    & skf21("5","5","3","7","5","2","6","1") = "6"
    & skf21("5","5","3","7","5","2","7","1") = "6"
    & skf21("5","5","3","7","5","3","1","1") = "6"
    & skf21("5","5","3","7","5","3","2","1") = "6"
    & skf21("5","5","3","7","5","3","3","1") = "6"
    & skf21("5","5","3","7","5","3","4","1") = "6"
    & skf21("5","5","3","7","5","3","5","1") = "6"
    & skf21("5","5","3","7","5","3","6","1") = "6"
    & skf21("5","5","3","7","5","3","7","1") = "6"
    & skf21("5","5","3","7","5","4","1","1") = "6"
    & skf21("5","5","3","7","5","4","2","1") = "6"
    & skf21("5","5","3","7","5","4","3","1") = "6"
    & skf21("5","5","3","7","5","4","4","1") = "6"
    & skf21("5","5","3","7","5","4","5","1") = "6"
    & skf21("5","5","3","7","5","4","6","1") = "6"
    & skf21("5","5","3","7","5","4","7","1") = "6"
    & skf21("5","5","3","7","5","5","1","1") = "6"
    & skf21("5","5","3","7","5","5","2","1") = "6"
    & skf21("5","5","3","7","5","5","3","1") = "6"
    & skf21("5","5","3","7","5","5","4","1") = "6"
    & skf21("5","5","3","7","5","5","5","1") = "6"
    & skf21("5","5","3","7","5","5","6","1") = "6"
    & skf21("5","5","3","7","5","5","7","1") = "6"
    & skf21("5","5","3","7","5","6","1","1") = "6"
    & skf21("5","5","3","7","5","6","2","1") = "6"
    & skf21("5","5","3","7","5","6","3","1") = "6"
    & skf21("5","5","3","7","5","6","4","1") = "6"
    & skf21("5","5","3","7","5","6","5","1") = "6"
    & skf21("5","5","3","7","5","6","6","1") = "6"
    & skf21("5","5","3","7","5","6","7","1") = "6"
    & skf21("5","5","3","7","5","7","1","1") = "6"
    & skf21("5","5","3","7","5","7","2","1") = "6"
    & skf21("5","5","3","7","5","7","3","1") = "6"
    & skf21("5","5","3","7","5","7","4","1") = "6"
    & skf21("5","5","3","7","5","7","5","1") = "6"
    & skf21("5","5","3","7","5","7","6","1") = "6"
    & skf21("5","5","3","7","5","7","7","1") = "6"
    & skf21("5","5","3","7","6","1","1","1") = "6"
    & skf21("5","5","3","7","6","1","2","1") = "6"
    & skf21("5","5","3","7","6","1","3","1") = "6"
    & skf21("5","5","3","7","6","1","4","1") = "6"
    & skf21("5","5","3","7","6","1","5","1") = "6"
    & skf21("5","5","3","7","6","1","6","1") = "6"
    & skf21("5","5","3","7","6","1","7","1") = "6"
    & skf21("5","5","3","7","6","2","1","1") = "6"
    & skf21("5","5","3","7","6","2","2","1") = "6"
    & skf21("5","5","3","7","6","2","3","1") = "6"
    & skf21("5","5","3","7","6","2","4","1") = "6"
    & skf21("5","5","3","7","6","2","5","1") = "6"
    & skf21("5","5","3","7","6","2","6","1") = "6"
    & skf21("5","5","3","7","6","2","7","1") = "6"
    & skf21("5","5","3","7","6","3","1","1") = "6"
    & skf21("5","5","3","7","6","3","2","1") = "6"
    & skf21("5","5","3","7","6","3","3","1") = "6"
    & skf21("5","5","3","7","6","3","4","1") = "6"
    & skf21("5","5","3","7","6","3","5","1") = "6"
    & skf21("5","5","3","7","6","3","6","1") = "6"
    & skf21("5","5","3","7","6","3","7","1") = "6"
    & skf21("5","5","3","7","6","4","1","1") = "6"
    & skf21("5","5","3","7","6","4","2","1") = "6"
    & skf21("5","5","3","7","6","4","3","1") = "6"
    & skf21("5","5","3","7","6","4","4","1") = "6"
    & skf21("5","5","3","7","6","4","5","1") = "6"
    & skf21("5","5","3","7","6","4","6","1") = "6"
    & skf21("5","5","3","7","6","4","7","1") = "6"
    & skf21("5","5","3","7","6","5","1","1") = "6"
    & skf21("5","5","3","7","6","5","2","1") = "6"
    & skf21("5","5","3","7","6","5","3","1") = "6"
    & skf21("5","5","3","7","6","5","4","1") = "6"
    & skf21("5","5","3","7","6","5","5","1") = "6"
    & skf21("5","5","3","7","6","5","6","1") = "6"
    & skf21("5","5","3","7","6","5","7","1") = "6"
    & skf21("5","5","3","7","6","6","1","1") = "6"
    & skf21("5","5","3","7","6","6","2","1") = "6"
    & skf21("5","5","3","7","6","6","3","1") = "6"
    & skf21("5","5","3","7","6","6","4","1") = "6"
    & skf21("5","5","3","7","6","6","5","1") = "6"
    & skf21("5","5","3","7","6","6","6","1") = "6"
    & skf21("5","5","3","7","6","6","7","1") = "6"
    & skf21("5","5","3","7","6","7","1","1") = "6"
    & skf21("5","5","3","7","6","7","2","1") = "6"
    & skf21("5","5","3","7","6","7","3","1") = "6"
    & skf21("5","5","3","7","6","7","4","1") = "6"
    & skf21("5","5","3","7","6","7","5","1") = "6"
    & skf21("5","5","3","7","6","7","6","1") = "6"
    & skf21("5","5","3","7","6","7","7","1") = "6"
    & skf21("5","5","3","7","7","1","1","1") = "6"
    & skf21("5","5","3","7","7","1","2","1") = "6"
    & skf21("5","5","3","7","7","1","3","1") = "6"
    & skf21("5","5","3","7","7","1","4","1") = "6"
    & skf21("5","5","3","7","7","1","5","1") = "6"
    & skf21("5","5","3","7","7","1","6","1") = "6"
    & skf21("5","5","3","7","7","1","7","1") = "6"
    & skf21("5","5","3","7","7","2","1","1") = "6"
    & skf21("5","5","3","7","7","2","2","1") = "6"
    & skf21("5","5","3","7","7","2","3","1") = "6"
    & skf21("5","5","3","7","7","2","4","1") = "6"
    & skf21("5","5","3","7","7","2","5","1") = "6"
    & skf21("5","5","3","7","7","2","6","1") = "6"
    & skf21("5","5","3","7","7","2","7","1") = "6"
    & skf21("5","5","3","7","7","3","1","1") = "6"
    & skf21("5","5","3","7","7","3","2","1") = "6"
    & skf21("5","5","3","7","7","3","3","1") = "6"
    & skf21("5","5","3","7","7","3","4","1") = "6"
    & skf21("5","5","3","7","7","3","5","1") = "6"
    & skf21("5","5","3","7","7","3","6","1") = "6"
    & skf21("5","5","3","7","7","3","7","1") = "6"
    & skf21("5","5","3","7","7","4","1","1") = "6"
    & skf21("5","5","3","7","7","4","2","1") = "6"
    & skf21("5","5","3","7","7","4","3","1") = "6"
    & skf21("5","5","3","7","7","4","4","1") = "6"
    & skf21("5","5","3","7","7","4","5","1") = "6"
    & skf21("5","5","3","7","7","4","6","1") = "6"
    & skf21("5","5","3","7","7","4","7","1") = "6"
    & skf21("5","5","3","7","7","5","1","1") = "6"
    & skf21("5","5","3","7","7","5","2","1") = "6"
    & skf21("5","5","3","7","7","5","3","1") = "6"
    & skf21("5","5","3","7","7","5","4","1") = "6"
    & skf21("5","5","3","7","7","5","5","1") = "6"
    & skf21("5","5","3","7","7","5","6","1") = "6"
    & skf21("5","5","3","7","7","5","7","1") = "6"
    & skf21("5","5","3","7","7","6","1","1") = "6"
    & skf21("5","5","3","7","7","6","2","1") = "6"
    & skf21("5","5","3","7","7","6","3","1") = "6"
    & skf21("5","5","3","7","7","6","4","1") = "6"
    & skf21("5","5","3","7","7","6","5","1") = "6"
    & skf21("5","5","3","7","7","6","6","1") = "6"
    & skf21("5","5","3","7","7","6","7","1") = "6"
    & skf21("5","5","3","7","7","7","1","1") = "6"
    & skf21("5","5","3","7","7","7","2","1") = "6"
    & skf21("5","5","3","7","7","7","3","1") = "6"
    & skf21("5","5","3","7","7","7","4","1") = "6"
    & skf21("5","5","3","7","7","7","5","1") = "6"
    & skf21("5","5","3","7","7","7","6","1") = "6"
    & skf21("5","5","3","7","7","7","7","1") = "6"
    & skf21("5","5","4","1","1","1","1","1") = "4"
    & skf21("5","5","4","1","1","1","2","1") = "4"
    & skf21("5","5","4","1","1","1","3","1") = "4"
    & skf21("5","5","4","1","1","1","4","1") = "4"
    & skf21("5","5","4","1","1","1","5","1") = "4"
    & skf21("5","5","4","1","1","1","6","1") = "5"
    & skf21("5","5","4","1","1","1","7","1") = "6"
    & skf21("5","5","4","1","1","2","1","1") = "4"
    & skf21("5","5","4","1","1","2","2","1") = "4"
    & skf21("5","5","4","1","1","2","3","1") = "4"
    & skf21("5","5","4","1","1","2","4","1") = "4"
    & skf21("5","5","4","1","1","2","5","1") = "4"
    & skf21("5","5","4","1","1","2","6","1") = "5"
    & skf21("5","5","4","1","1","2","7","1") = "6"
    & skf21("5","5","4","1","1","3","1","1") = "4"
    & skf21("5","5","4","1","1","3","2","1") = "4"
    & skf21("5","5","4","1","1","3","3","1") = "4"
    & skf21("5","5","4","1","1","3","4","1") = "4"
    & skf21("5","5","4","1","1","3","5","1") = "4"
    & skf21("5","5","4","1","1","3","6","1") = "5"
    & skf21("5","5","4","1","1","3","7","1") = "6"
    & skf21("5","5","4","1","1","4","1","1") = "4"
    & skf21("5","5","4","1","1","4","2","1") = "4"
    & skf21("5","5","4","1","1","4","3","1") = "4"
    & skf21("5","5","4","1","1","4","4","1") = "4"
    & skf21("5","5","4","1","1","4","5","1") = "4"
    & skf21("5","5","4","1","1","4","6","1") = "5"
    & skf21("5","5","4","1","1","4","7","1") = "6"
    & skf21("5","5","4","1","1","5","1","1") = "4"
    & skf21("5","5","4","1","1","5","2","1") = "4"
    & skf21("5","5","4","1","1","5","3","1") = "4"
    & skf21("5","5","4","1","1","5","4","1") = "4"
    & skf21("5","5","4","1","1","5","5","1") = "4"
    & skf21("5","5","4","1","1","5","6","1") = "5"
    & skf21("5","5","4","1","1","5","7","1") = "6"
    & skf21("5","5","4","1","1","6","1","1") = "5"
    & skf21("5","5","4","1","1","6","2","1") = "5"
    & skf21("5","5","4","1","1","6","3","1") = "5"
    & skf21("5","5","4","1","1","6","4","1") = "5"
    & skf21("5","5","4","1","1","6","5","1") = "5"
    & skf21("5","5","4","1","1","6","6","1") = "5"
    & skf21("5","5","4","1","1","6","7","1") = "6"
    & skf21("5","5","4","1","1","7","1","1") = "6"
    & skf21("5","5","4","1","1","7","2","1") = "6"
    & skf21("5","5","4","1","1","7","3","1") = "6"
    & skf21("5","5","4","1","1","7","4","1") = "6"
    & skf21("5","5","4","1","1","7","5","1") = "6"
    & skf21("5","5","4","1","1","7","6","1") = "6"
    & skf21("5","5","4","1","1","7","7","1") = "6"
    & skf21("5","5","4","1","2","1","1","1") = "4"
    & skf21("5","5","4","1","2","1","2","1") = "4"
    & skf21("5","5","4","1","2","1","3","1") = "4"
    & skf21("5","5","4","1","2","1","4","1") = "4"
    & skf21("5","5","4","1","2","1","5","1") = "4"
    & skf21("5","5","4","1","2","1","6","1") = "5"
    & skf21("5","5","4","1","2","1","7","1") = "6"
    & skf21("5","5","4","1","2","2","1","1") = "4"
    & skf21("5","5","4","1","2","2","2","1") = "4"
    & skf21("5","5","4","1","2","2","3","1") = "4"
    & skf21("5","5","4","1","2","2","4","1") = "4"
    & skf21("5","5","4","1","2","2","5","1") = "4"
    & skf21("5","5","4","1","2","2","6","1") = "5"
    & skf21("5","5","4","1","2","2","7","1") = "6"
    & skf21("5","5","4","1","2","3","1","1") = "4"
    & skf21("5","5","4","1","2","3","2","1") = "4"
    & skf21("5","5","4","1","2","3","3","1") = "4"
    & skf21("5","5","4","1","2","3","4","1") = "4"
    & skf21("5","5","4","1","2","3","5","1") = "4"
    & skf21("5","5","4","1","2","3","6","1") = "5"
    & skf21("5","5","4","1","2","3","7","1") = "6"
    & skf21("5","5","4","1","2","4","1","1") = "4"
    & skf21("5","5","4","1","2","4","2","1") = "4"
    & skf21("5","5","4","1","2","4","3","1") = "4"
    & skf21("5","5","4","1","2","4","4","1") = "4"
    & skf21("5","5","4","1","2","4","5","1") = "4"
    & skf21("5","5","4","1","2","4","6","1") = "5"
    & skf21("5","5","4","1","2","4","7","1") = "6"
    & skf21("5","5","4","1","2","5","1","1") = "4"
    & skf21("5","5","4","1","2","5","2","1") = "4"
    & skf21("5","5","4","1","2","5","3","1") = "4"
    & skf21("5","5","4","1","2","5","4","1") = "4"
    & skf21("5","5","4","1","2","5","5","1") = "4"
    & skf21("5","5","4","1","2","5","6","1") = "5"
    & skf21("5","5","4","1","2","5","7","1") = "6"
    & skf21("5","5","4","1","2","6","1","1") = "5"
    & skf21("5","5","4","1","2","6","2","1") = "5"
    & skf21("5","5","4","1","2","6","3","1") = "5"
    & skf21("5","5","4","1","2","6","4","1") = "5"
    & skf21("5","5","4","1","2","6","5","1") = "5"
    & skf21("5","5","4","1","2","6","6","1") = "5"
    & skf21("5","5","4","1","2","6","7","1") = "6"
    & skf21("5","5","4","1","2","7","1","1") = "6"
    & skf21("5","5","4","1","2","7","2","1") = "6"
    & skf21("5","5","4","1","2","7","3","1") = "6"
    & skf21("5","5","4","1","2","7","4","1") = "6"
    & skf21("5","5","4","1","2","7","5","1") = "6"
    & skf21("5","5","4","1","2","7","6","1") = "6"
    & skf21("5","5","4","1","2","7","7","1") = "6"
    & skf21("5","5","4","1","3","1","1","1") = "4"
    & skf21("5","5","4","1","3","1","2","1") = "4"
    & skf21("5","5","4","1","3","1","3","1") = "4"
    & skf21("5","5","4","1","3","1","4","1") = "4"
    & skf21("5","5","4","1","3","1","5","1") = "4"
    & skf21("5","5","4","1","3","1","6","1") = "5"
    & skf21("5","5","4","1","3","1","7","1") = "6"
    & skf21("5","5","4","1","3","2","1","1") = "4"
    & skf21("5","5","4","1","3","2","2","1") = "4"
    & skf21("5","5","4","1","3","2","3","1") = "4"
    & skf21("5","5","4","1","3","2","4","1") = "4"
    & skf21("5","5","4","1","3","2","5","1") = "4"
    & skf21("5","5","4","1","3","2","6","1") = "5"
    & skf21("5","5","4","1","3","2","7","1") = "6"
    & skf21("5","5","4","1","3","3","1","1") = "4"
    & skf21("5","5","4","1","3","3","2","1") = "4"
    & skf21("5","5","4","1","3","3","3","1") = "4"
    & skf21("5","5","4","1","3","3","4","1") = "4"
    & skf21("5","5","4","1","3","3","5","1") = "4"
    & skf21("5","5","4","1","3","3","6","1") = "5"
    & skf21("5","5","4","1","3","3","7","1") = "6"
    & skf21("5","5","4","1","3","4","1","1") = "4"
    & skf21("5","5","4","1","3","4","2","1") = "4"
    & skf21("5","5","4","1","3","4","3","1") = "4"
    & skf21("5","5","4","1","3","4","4","1") = "4"
    & skf21("5","5","4","1","3","4","5","1") = "4"
    & skf21("5","5","4","1","3","4","6","1") = "5"
    & skf21("5","5","4","1","3","4","7","1") = "6"
    & skf21("5","5","4","1","3","5","1","1") = "4"
    & skf21("5","5","4","1","3","5","2","1") = "4"
    & skf21("5","5","4","1","3","5","3","1") = "4"
    & skf21("5","5","4","1","3","5","4","1") = "4"
    & skf21("5","5","4","1","3","5","5","1") = "4"
    & skf21("5","5","4","1","3","5","6","1") = "5"
    & skf21("5","5","4","1","3","5","7","1") = "6"
    & skf21("5","5","4","1","3","6","1","1") = "5"
    & skf21("5","5","4","1","3","6","2","1") = "5"
    & skf21("5","5","4","1","3","6","3","1") = "5"
    & skf21("5","5","4","1","3","6","4","1") = "5"
    & skf21("5","5","4","1","3","6","5","1") = "5"
    & skf21("5","5","4","1","3","6","6","1") = "5"
    & skf21("5","5","4","1","3","6","7","1") = "6"
    & skf21("5","5","4","1","3","7","1","1") = "6"
    & skf21("5","5","4","1","3","7","2","1") = "6"
    & skf21("5","5","4","1","3","7","3","1") = "6"
    & skf21("5","5","4","1","3","7","4","1") = "6"
    & skf21("5","5","4","1","3","7","5","1") = "6"
    & skf21("5","5","4","1","3","7","6","1") = "6"
    & skf21("5","5","4","1","3","7","7","1") = "6"
    & skf21("5","5","4","1","4","1","1","1") = "4"
    & skf21("5","5","4","1","4","1","2","1") = "4"
    & skf21("5","5","4","1","4","1","3","1") = "4"
    & skf21("5","5","4","1","4","1","4","1") = "4"
    & skf21("5","5","4","1","4","1","5","1") = "4"
    & skf21("5","5","4","1","4","1","6","1") = "5"
    & skf21("5","5","4","1","4","1","7","1") = "6"
    & skf21("5","5","4","1","4","2","1","1") = "4"
    & skf21("5","5","4","1","4","2","2","1") = "4"
    & skf21("5","5","4","1","4","2","3","1") = "4"
    & skf21("5","5","4","1","4","2","4","1") = "4"
    & skf21("5","5","4","1","4","2","5","1") = "4"
    & skf21("5","5","4","1","4","2","6","1") = "5"
    & skf21("5","5","4","1","4","2","7","1") = "6"
    & skf21("5","5","4","1","4","3","1","1") = "4"
    & skf21("5","5","4","1","4","3","2","1") = "4"
    & skf21("5","5","4","1","4","3","3","1") = "4"
    & skf21("5","5","4","1","4","3","4","1") = "4"
    & skf21("5","5","4","1","4","3","5","1") = "4"
    & skf21("5","5","4","1","4","3","6","1") = "5"
    & skf21("5","5","4","1","4","3","7","1") = "6"
    & skf21("5","5","4","1","4","4","1","1") = "4"
    & skf21("5","5","4","1","4","4","2","1") = "4"
    & skf21("5","5","4","1","4","4","3","1") = "4"
    & skf21("5","5","4","1","4","4","4","1") = "4"
    & skf21("5","5","4","1","4","4","5","1") = "4"
    & skf21("5","5","4","1","4","4","6","1") = "5"
    & skf21("5","5","4","1","4","4","7","1") = "6"
    & skf21("5","5","4","1","4","5","1","1") = "4"
    & skf21("5","5","4","1","4","5","2","1") = "4"
    & skf21("5","5","4","1","4","5","3","1") = "4"
    & skf21("5","5","4","1","4","5","4","1") = "4"
    & skf21("5","5","4","1","4","5","5","1") = "4"
    & skf21("5","5","4","1","4","5","6","1") = "5"
    & skf21("5","5","4","1","4","5","7","1") = "6"
    & skf21("5","5","4","1","4","6","1","1") = "5"
    & skf21("5","5","4","1","4","6","2","1") = "5"
    & skf21("5","5","4","1","4","6","3","1") = "5"
    & skf21("5","5","4","1","4","6","4","1") = "5"
    & skf21("5","5","4","1","4","6","5","1") = "5"
    & skf21("5","5","4","1","4","6","6","1") = "5"
    & skf21("5","5","4","1","4","6","7","1") = "6"
    & skf21("5","5","4","1","4","7","1","1") = "6"
    & skf21("5","5","4","1","4","7","2","1") = "6"
    & skf21("5","5","4","1","4","7","3","1") = "6"
    & skf21("5","5","4","1","4","7","4","1") = "6"
    & skf21("5","5","4","1","4","7","5","1") = "6"
    & skf21("5","5","4","1","4","7","6","1") = "6"
    & skf21("5","5","4","1","4","7","7","1") = "6"
    & skf21("5","5","4","1","5","1","1","1") = "4"
    & skf21("5","5","4","1","5","1","2","1") = "4"
    & skf21("5","5","4","1","5","1","3","1") = "4"
    & skf21("5","5","4","1","5","1","4","1") = "4"
    & skf21("5","5","4","1","5","1","5","1") = "4"
    & skf21("5","5","4","1","5","1","6","1") = "5"
    & skf21("5","5","4","1","5","1","7","1") = "6"
    & skf21("5","5","4","1","5","2","1","1") = "4"
    & skf21("5","5","4","1","5","2","2","1") = "4"
    & skf21("5","5","4","1","5","2","3","1") = "4"
    & skf21("5","5","4","1","5","2","4","1") = "4"
    & skf21("5","5","4","1","5","2","5","1") = "4"
    & skf21("5","5","4","1","5","2","6","1") = "5"
    & skf21("5","5","4","1","5","2","7","1") = "6"
    & skf21("5","5","4","1","5","3","1","1") = "4"
    & skf21("5","5","4","1","5","3","2","1") = "4"
    & skf21("5","5","4","1","5","3","3","1") = "4"
    & skf21("5","5","4","1","5","3","4","1") = "4"
    & skf21("5","5","4","1","5","3","5","1") = "4"
    & skf21("5","5","4","1","5","3","6","1") = "5"
    & skf21("5","5","4","1","5","3","7","1") = "6"
    & skf21("5","5","4","1","5","4","1","1") = "4"
    & skf21("5","5","4","1","5","4","2","1") = "4"
    & skf21("5","5","4","1","5","4","3","1") = "4"
    & skf21("5","5","4","1","5","4","4","1") = "4"
    & skf21("5","5","4","1","5","4","5","1") = "4"
    & skf21("5","5","4","1","5","4","6","1") = "5"
    & skf21("5","5","4","1","5","4","7","1") = "6"
    & skf21("5","5","4","1","5","5","1","1") = "4"
    & skf21("5","5","4","1","5","5","2","1") = "4"
    & skf21("5","5","4","1","5","5","3","1") = "4"
    & skf21("5","5","4","1","5","5","4","1") = "4"
    & skf21("5","5","4","1","5","5","5","1") = "4"
    & skf21("5","5","4","1","5","5","6","1") = "5"
    & skf21("5","5","4","1","5","5","7","1") = "6"
    & skf21("5","5","4","1","5","6","1","1") = "5"
    & skf21("5","5","4","1","5","6","2","1") = "5"
    & skf21("5","5","4","1","5","6","3","1") = "5"
    & skf21("5","5","4","1","5","6","4","1") = "5"
    & skf21("5","5","4","1","5","6","5","1") = "5"
    & skf21("5","5","4","1","5","6","6","1") = "5"
    & skf21("5","5","4","1","5","6","7","1") = "6"
    & skf21("5","5","4","1","5","7","1","1") = "6"
    & skf21("5","5","4","1","5","7","2","1") = "6"
    & skf21("5","5","4","1","5","7","3","1") = "6"
    & skf21("5","5","4","1","5","7","4","1") = "6"
    & skf21("5","5","4","1","5","7","5","1") = "6"
    & skf21("5","5","4","1","5","7","6","1") = "6"
    & skf21("5","5","4","1","5","7","7","1") = "6"
    & skf21("5","5","4","1","6","1","1","1") = "5"
    & skf21("5","5","4","1","6","1","2","1") = "5"
    & skf21("5","5","4","1","6","1","3","1") = "5"
    & skf21("5","5","4","1","6","1","4","1") = "5"
    & skf21("5","5","4","1","6","1","5","1") = "5"
    & skf21("5","5","4","1","6","1","6","1") = "5"
    & skf21("5","5","4","1","6","1","7","1") = "6"
    & skf21("5","5","4","1","6","2","1","1") = "5"
    & skf21("5","5","4","1","6","2","2","1") = "5"
    & skf21("5","5","4","1","6","2","3","1") = "5"
    & skf21("5","5","4","1","6","2","4","1") = "5"
    & skf21("5","5","4","1","6","2","5","1") = "5"
    & skf21("5","5","4","1","6","2","6","1") = "5"
    & skf21("5","5","4","1","6","2","7","1") = "6"
    & skf21("5","5","4","1","6","3","1","1") = "5"
    & skf21("5","5","4","1","6","3","2","1") = "5"
    & skf21("5","5","4","1","6","3","3","1") = "5"
    & skf21("5","5","4","1","6","3","4","1") = "5"
    & skf21("5","5","4","1","6","3","5","1") = "5"
    & skf21("5","5","4","1","6","3","6","1") = "5"
    & skf21("5","5","4","1","6","3","7","1") = "6"
    & skf21("5","5","4","1","6","4","1","1") = "5"
    & skf21("5","5","4","1","6","4","2","1") = "5"
    & skf21("5","5","4","1","6","4","3","1") = "5"
    & skf21("5","5","4","1","6","4","4","1") = "5"
    & skf21("5","5","4","1","6","4","5","1") = "5"
    & skf21("5","5","4","1","6","4","6","1") = "5"
    & skf21("5","5","4","1","6","4","7","1") = "6"
    & skf21("5","5","4","1","6","5","1","1") = "5"
    & skf21("5","5","4","1","6","5","2","1") = "5"
    & skf21("5","5","4","1","6","5","3","1") = "5"
    & skf21("5","5","4","1","6","5","4","1") = "5"
    & skf21("5","5","4","1","6","5","5","1") = "5"
    & skf21("5","5","4","1","6","5","6","1") = "5"
    & skf21("5","5","4","1","6","5","7","1") = "6"
    & skf21("5","5","4","1","6","6","1","1") = "5"
    & skf21("5","5","4","1","6","6","2","1") = "5"
    & skf21("5","5","4","1","6","6","3","1") = "5"
    & skf21("5","5","4","1","6","6","4","1") = "5"
    & skf21("5","5","4","1","6","6","5","1") = "5"
    & skf21("5","5","4","1","6","6","6","1") = "5"
    & skf21("5","5","4","1","6","6","7","1") = "6"
    & skf21("5","5","4","1","6","7","1","1") = "6"
    & skf21("5","5","4","1","6","7","2","1") = "6"
    & skf21("5","5","4","1","6","7","3","1") = "6"
    & skf21("5","5","4","1","6","7","4","1") = "6"
    & skf21("5","5","4","1","6","7","5","1") = "6"
    & skf21("5","5","4","1","6","7","6","1") = "6"
    & skf21("5","5","4","1","6","7","7","1") = "6"
    & skf21("5","5","4","1","7","1","1","1") = "6"
    & skf21("5","5","4","1","7","1","2","1") = "6"
    & skf21("5","5","4","1","7","1","3","1") = "6"
    & skf21("5","5","4","1","7","1","4","1") = "6"
    & skf21("5","5","4","1","7","1","5","1") = "6"
    & skf21("5","5","4","1","7","1","6","1") = "6"
    & skf21("5","5","4","1","7","1","7","1") = "6"
    & skf21("5","5","4","1","7","2","1","1") = "6"
    & skf21("5","5","4","1","7","2","2","1") = "6"
    & skf21("5","5","4","1","7","2","3","1") = "6"
    & skf21("5","5","4","1","7","2","4","1") = "6"
    & skf21("5","5","4","1","7","2","5","1") = "6"
    & skf21("5","5","4","1","7","2","6","1") = "6"
    & skf21("5","5","4","1","7","2","7","1") = "6"
    & skf21("5","5","4","1","7","3","1","1") = "6"
    & skf21("5","5","4","1","7","3","2","1") = "6"
    & skf21("5","5","4","1","7","3","3","1") = "6"
    & skf21("5","5","4","1","7","3","4","1") = "6"
    & skf21("5","5","4","1","7","3","5","1") = "6"
    & skf21("5","5","4","1","7","3","6","1") = "6"
    & skf21("5","5","4","1","7","3","7","1") = "6"
    & skf21("5","5","4","1","7","4","1","1") = "6"
    & skf21("5","5","4","1","7","4","2","1") = "6"
    & skf21("5","5","4","1","7","4","3","1") = "6"
    & skf21("5","5","4","1","7","4","4","1") = "6"
    & skf21("5","5","4","1","7","4","5","1") = "6"
    & skf21("5","5","4","1","7","4","6","1") = "6"
    & skf21("5","5","4","1","7","4","7","1") = "6"
    & skf21("5","5","4","1","7","5","1","1") = "6"
    & skf21("5","5","4","1","7","5","2","1") = "6"
    & skf21("5","5","4","1","7","5","3","1") = "6"
    & skf21("5","5","4","1","7","5","4","1") = "6"
    & skf21("5","5","4","1","7","5","5","1") = "6"
    & skf21("5","5","4","1","7","5","6","1") = "6"
    & skf21("5","5","4","1","7","5","7","1") = "6"
    & skf21("5","5","4","1","7","6","1","1") = "6"
    & skf21("5","5","4","1","7","6","2","1") = "6"
    & skf21("5","5","4","1","7","6","3","1") = "6"
    & skf21("5","5","4","1","7","6","4","1") = "6"
    & skf21("5","5","4","1","7","6","5","1") = "6"
    & skf21("5","5","4","1","7","6","6","1") = "6"
    & skf21("5","5","4","1","7","6","7","1") = "6"
    & skf21("5","5","4","1","7","7","1","1") = "6"
    & skf21("5","5","4","1","7","7","2","1") = "6"
    & skf21("5","5","4","1","7","7","3","1") = "6"
    & skf21("5","5","4","1","7","7","4","1") = "6"
    & skf21("5","5","4","1","7","7","5","1") = "6"
    & skf21("5","5","4","1","7","7","6","1") = "6"
    & skf21("5","5","4","1","7","7","7","1") = "6"
    & skf21("5","5","4","2","1","1","1","1") = "4"
    & skf21("5","5","4","2","1","1","2","1") = "4"
    & skf21("5","5","4","2","1","1","3","1") = "4"
    & skf21("5","5","4","2","1","1","4","1") = "4"
    & skf21("5","5","4","2","1","1","5","1") = "4"
    & skf21("5","5","4","2","1","1","6","1") = "5"
    & skf21("5","5","4","2","1","1","7","1") = "6"
    & skf21("5","5","4","2","1","2","1","1") = "4"
    & skf21("5","5","4","2","1","2","2","1") = "4"
    & skf21("5","5","4","2","1","2","3","1") = "4"
    & skf21("5","5","4","2","1","2","4","1") = "4"
    & skf21("5","5","4","2","1","2","5","1") = "4"
    & skf21("5","5","4","2","1","2","6","1") = "5"
    & skf21("5","5","4","2","1","2","7","1") = "6"
    & skf21("5","5","4","2","1","3","1","1") = "4"
    & skf21("5","5","4","2","1","3","2","1") = "4"
    & skf21("5","5","4","2","1","3","3","1") = "4"
    & skf21("5","5","4","2","1","3","4","1") = "4"
    & skf21("5","5","4","2","1","3","5","1") = "4"
    & skf21("5","5","4","2","1","3","6","1") = "5"
    & skf21("5","5","4","2","1","3","7","1") = "6"
    & skf21("5","5","4","2","1","4","1","1") = "4"
    & skf21("5","5","4","2","1","4","2","1") = "4"
    & skf21("5","5","4","2","1","4","3","1") = "4"
    & skf21("5","5","4","2","1","4","4","1") = "4"
    & skf21("5","5","4","2","1","4","5","1") = "4"
    & skf21("5","5","4","2","1","4","6","1") = "5"
    & skf21("5","5","4","2","1","4","7","1") = "6"
    & skf21("5","5","4","2","1","5","1","1") = "4"
    & skf21("5","5","4","2","1","5","2","1") = "4"
    & skf21("5","5","4","2","1","5","3","1") = "4"
    & skf21("5","5","4","2","1","5","4","1") = "4"
    & skf21("5","5","4","2","1","5","5","1") = "4"
    & skf21("5","5","4","2","1","5","6","1") = "5"
    & skf21("5","5","4","2","1","5","7","1") = "6"
    & skf21("5","5","4","2","1","6","1","1") = "5"
    & skf21("5","5","4","2","1","6","2","1") = "5"
    & skf21("5","5","4","2","1","6","3","1") = "5"
    & skf21("5","5","4","2","1","6","4","1") = "5"
    & skf21("5","5","4","2","1","6","5","1") = "5"
    & skf21("5","5","4","2","1","6","6","1") = "5"
    & skf21("5","5","4","2","1","6","7","1") = "6"
    & skf21("5","5","4","2","1","7","1","1") = "6"
    & skf21("5","5","4","2","1","7","2","1") = "6"
    & skf21("5","5","4","2","1","7","3","1") = "6"
    & skf21("5","5","4","2","1","7","4","1") = "6"
    & skf21("5","5","4","2","1","7","5","1") = "6"
    & skf21("5","5","4","2","1","7","6","1") = "6"
    & skf21("5","5","4","2","1","7","7","1") = "6"
    & skf21("5","5","4","2","2","1","1","1") = "4"
    & skf21("5","5","4","2","2","1","2","1") = "4"
    & skf21("5","5","4","2","2","1","3","1") = "4"
    & skf21("5","5","4","2","2","1","4","1") = "4"
    & skf21("5","5","4","2","2","1","5","1") = "4"
    & skf21("5","5","4","2","2","1","6","1") = "5"
    & skf21("5","5","4","2","2","1","7","1") = "6"
    & skf21("5","5","4","2","2","2","1","1") = "4"
    & skf21("5","5","4","2","2","2","2","1") = "4"
    & skf21("5","5","4","2","2","2","3","1") = "4"
    & skf21("5","5","4","2","2","2","4","1") = "4"
    & skf21("5","5","4","2","2","2","5","1") = "4"
    & skf21("5","5","4","2","2","2","6","1") = "5"
    & skf21("5","5","4","2","2","2","7","1") = "6"
    & skf21("5","5","4","2","2","3","1","1") = "4"
    & skf21("5","5","4","2","2","3","2","1") = "4"
    & skf21("5","5","4","2","2","3","3","1") = "4"
    & skf21("5","5","4","2","2","3","4","1") = "4"
    & skf21("5","5","4","2","2","3","5","1") = "4"
    & skf21("5","5","4","2","2","3","6","1") = "5"
    & skf21("5","5","4","2","2","3","7","1") = "6"
    & skf21("5","5","4","2","2","4","1","1") = "4"
    & skf21("5","5","4","2","2","4","2","1") = "4"
    & skf21("5","5","4","2","2","4","3","1") = "4"
    & skf21("5","5","4","2","2","4","4","1") = "4"
    & skf21("5","5","4","2","2","4","5","1") = "4"
    & skf21("5","5","4","2","2","4","6","1") = "5"
    & skf21("5","5","4","2","2","4","7","1") = "6"
    & skf21("5","5","4","2","2","5","1","1") = "4"
    & skf21("5","5","4","2","2","5","2","1") = "4"
    & skf21("5","5","4","2","2","5","3","1") = "4"
    & skf21("5","5","4","2","2","5","4","1") = "4"
    & skf21("5","5","4","2","2","5","5","1") = "4"
    & skf21("5","5","4","2","2","5","6","1") = "5"
    & skf21("5","5","4","2","2","5","7","1") = "6"
    & skf21("5","5","4","2","2","6","1","1") = "5"
    & skf21("5","5","4","2","2","6","2","1") = "5"
    & skf21("5","5","4","2","2","6","3","1") = "5"
    & skf21("5","5","4","2","2","6","4","1") = "5"
    & skf21("5","5","4","2","2","6","5","1") = "5"
    & skf21("5","5","4","2","2","6","6","1") = "5"
    & skf21("5","5","4","2","2","6","7","1") = "6"
    & skf21("5","5","4","2","2","7","1","1") = "6"
    & skf21("5","5","4","2","2","7","2","1") = "6"
    & skf21("5","5","4","2","2","7","3","1") = "6"
    & skf21("5","5","4","2","2","7","4","1") = "6"
    & skf21("5","5","4","2","2","7","5","1") = "6"
    & skf21("5","5","4","2","2","7","6","1") = "6"
    & skf21("5","5","4","2","2","7","7","1") = "6"
    & skf21("5","5","4","2","3","1","1","1") = "4"
    & skf21("5","5","4","2","3","1","2","1") = "4"
    & skf21("5","5","4","2","3","1","3","1") = "4"
    & skf21("5","5","4","2","3","1","4","1") = "4"
    & skf21("5","5","4","2","3","1","5","1") = "4"
    & skf21("5","5","4","2","3","1","6","1") = "5"
    & skf21("5","5","4","2","3","1","7","1") = "6"
    & skf21("5","5","4","2","3","2","1","1") = "4"
    & skf21("5","5","4","2","3","2","2","1") = "4"
    & skf21("5","5","4","2","3","2","3","1") = "4"
    & skf21("5","5","4","2","3","2","4","1") = "4"
    & skf21("5","5","4","2","3","2","5","1") = "4"
    & skf21("5","5","4","2","3","2","6","1") = "5"
    & skf21("5","5","4","2","3","2","7","1") = "6"
    & skf21("5","5","4","2","3","3","1","1") = "4"
    & skf21("5","5","4","2","3","3","2","1") = "4"
    & skf21("5","5","4","2","3","3","3","1") = "4"
    & skf21("5","5","4","2","3","3","4","1") = "4"
    & skf21("5","5","4","2","3","3","5","1") = "4"
    & skf21("5","5","4","2","3","3","6","1") = "5"
    & skf21("5","5","4","2","3","3","7","1") = "6"
    & skf21("5","5","4","2","3","4","1","1") = "4"
    & skf21("5","5","4","2","3","4","2","1") = "4"
    & skf21("5","5","4","2","3","4","3","1") = "4"
    & skf21("5","5","4","2","3","4","4","1") = "4"
    & skf21("5","5","4","2","3","4","5","1") = "4"
    & skf21("5","5","4","2","3","4","6","1") = "5"
    & skf21("5","5","4","2","3","4","7","1") = "6"
    & skf21("5","5","4","2","3","5","1","1") = "4"
    & skf21("5","5","4","2","3","5","2","1") = "4"
    & skf21("5","5","4","2","3","5","3","1") = "4"
    & skf21("5","5","4","2","3","5","4","1") = "4"
    & skf21("5","5","4","2","3","5","5","1") = "4"
    & skf21("5","5","4","2","3","5","6","1") = "5"
    & skf21("5","5","4","2","3","5","7","1") = "6"
    & skf21("5","5","4","2","3","6","1","1") = "5"
    & skf21("5","5","4","2","3","6","2","1") = "5"
    & skf21("5","5","4","2","3","6","3","1") = "5"
    & skf21("5","5","4","2","3","6","4","1") = "5"
    & skf21("5","5","4","2","3","6","5","1") = "5"
    & skf21("5","5","4","2","3","6","6","1") = "5"
    & skf21("5","5","4","2","3","6","7","1") = "6"
    & skf21("5","5","4","2","3","7","1","1") = "6"
    & skf21("5","5","4","2","3","7","2","1") = "6"
    & skf21("5","5","4","2","3","7","3","1") = "6"
    & skf21("5","5","4","2","3","7","4","1") = "6"
    & skf21("5","5","4","2","3","7","5","1") = "6"
    & skf21("5","5","4","2","3","7","6","1") = "6"
    & skf21("5","5","4","2","3","7","7","1") = "6"
    & skf21("5","5","4","2","4","1","1","1") = "4"
    & skf21("5","5","4","2","4","1","2","1") = "4"
    & skf21("5","5","4","2","4","1","3","1") = "4"
    & skf21("5","5","4","2","4","1","4","1") = "4"
    & skf21("5","5","4","2","4","1","5","1") = "4"
    & skf21("5","5","4","2","4","1","6","1") = "5"
    & skf21("5","5","4","2","4","1","7","1") = "6"
    & skf21("5","5","4","2","4","2","1","1") = "4"
    & skf21("5","5","4","2","4","2","2","1") = "4"
    & skf21("5","5","4","2","4","2","3","1") = "4"
    & skf21("5","5","4","2","4","2","4","1") = "4"
    & skf21("5","5","4","2","4","2","5","1") = "4"
    & skf21("5","5","4","2","4","2","6","1") = "5"
    & skf21("5","5","4","2","4","2","7","1") = "6"
    & skf21("5","5","4","2","4","3","1","1") = "4"
    & skf21("5","5","4","2","4","3","2","1") = "4"
    & skf21("5","5","4","2","4","3","3","1") = "4"
    & skf21("5","5","4","2","4","3","4","1") = "4"
    & skf21("5","5","4","2","4","3","5","1") = "4"
    & skf21("5","5","4","2","4","3","6","1") = "5"
    & skf21("5","5","4","2","4","3","7","1") = "6"
    & skf21("5","5","4","2","4","4","1","1") = "4"
    & skf21("5","5","4","2","4","4","2","1") = "4"
    & skf21("5","5","4","2","4","4","3","1") = "4"
    & skf21("5","5","4","2","4","4","4","1") = "4"
    & skf21("5","5","4","2","4","4","5","1") = "4"
    & skf21("5","5","4","2","4","4","6","1") = "5"
    & skf21("5","5","4","2","4","4","7","1") = "6"
    & skf21("5","5","4","2","4","5","1","1") = "4"
    & skf21("5","5","4","2","4","5","2","1") = "4"
    & skf21("5","5","4","2","4","5","3","1") = "4"
    & skf21("5","5","4","2","4","5","4","1") = "4"
    & skf21("5","5","4","2","4","5","5","1") = "4"
    & skf21("5","5","4","2","4","5","6","1") = "5"
    & skf21("5","5","4","2","4","5","7","1") = "6"
    & skf21("5","5","4","2","4","6","1","1") = "5"
    & skf21("5","5","4","2","4","6","2","1") = "5"
    & skf21("5","5","4","2","4","6","3","1") = "5"
    & skf21("5","5","4","2","4","6","4","1") = "5"
    & skf21("5","5","4","2","4","6","5","1") = "5"
    & skf21("5","5","4","2","4","6","6","1") = "5"
    & skf21("5","5","4","2","4","6","7","1") = "6"
    & skf21("5","5","4","2","4","7","1","1") = "6"
    & skf21("5","5","4","2","4","7","2","1") = "6"
    & skf21("5","5","4","2","4","7","3","1") = "6"
    & skf21("5","5","4","2","4","7","4","1") = "6"
    & skf21("5","5","4","2","4","7","5","1") = "6"
    & skf21("5","5","4","2","4","7","6","1") = "6"
    & skf21("5","5","4","2","4","7","7","1") = "6"
    & skf21("5","5","4","2","5","1","1","1") = "4"
    & skf21("5","5","4","2","5","1","2","1") = "4"
    & skf21("5","5","4","2","5","1","3","1") = "4"
    & skf21("5","5","4","2","5","1","4","1") = "4"
    & skf21("5","5","4","2","5","1","5","1") = "4"
    & skf21("5","5","4","2","5","1","6","1") = "5"
    & skf21("5","5","4","2","5","1","7","1") = "6"
    & skf21("5","5","4","2","5","2","1","1") = "4"
    & skf21("5","5","4","2","5","2","2","1") = "4"
    & skf21("5","5","4","2","5","2","3","1") = "4"
    & skf21("5","5","4","2","5","2","4","1") = "4"
    & skf21("5","5","4","2","5","2","5","1") = "4"
    & skf21("5","5","4","2","5","2","6","1") = "5"
    & skf21("5","5","4","2","5","2","7","1") = "6"
    & skf21("5","5","4","2","5","3","1","1") = "4"
    & skf21("5","5","4","2","5","3","2","1") = "4"
    & skf21("5","5","4","2","5","3","3","1") = "4"
    & skf21("5","5","4","2","5","3","4","1") = "4"
    & skf21("5","5","4","2","5","3","5","1") = "4"
    & skf21("5","5","4","2","5","3","6","1") = "5"
    & skf21("5","5","4","2","5","3","7","1") = "6"
    & skf21("5","5","4","2","5","4","1","1") = "4"
    & skf21("5","5","4","2","5","4","2","1") = "4"
    & skf21("5","5","4","2","5","4","3","1") = "4"
    & skf21("5","5","4","2","5","4","4","1") = "4"
    & skf21("5","5","4","2","5","4","5","1") = "4"
    & skf21("5","5","4","2","5","4","6","1") = "5"
    & skf21("5","5","4","2","5","4","7","1") = "6"
    & skf21("5","5","4","2","5","5","1","1") = "4"
    & skf21("5","5","4","2","5","5","2","1") = "4"
    & skf21("5","5","4","2","5","5","3","1") = "4"
    & skf21("5","5","4","2","5","5","4","1") = "4"
    & skf21("5","5","4","2","5","5","5","1") = "4"
    & skf21("5","5","4","2","5","5","6","1") = "5"
    & skf21("5","5","4","2","5","5","7","1") = "6"
    & skf21("5","5","4","2","5","6","1","1") = "5"
    & skf21("5","5","4","2","5","6","2","1") = "5"
    & skf21("5","5","4","2","5","6","3","1") = "5"
    & skf21("5","5","4","2","5","6","4","1") = "5"
    & skf21("5","5","4","2","5","6","5","1") = "5"
    & skf21("5","5","4","2","5","6","6","1") = "5"
    & skf21("5","5","4","2","5","6","7","1") = "6"
    & skf21("5","5","4","2","5","7","1","1") = "6"
    & skf21("5","5","4","2","5","7","2","1") = "6"
    & skf21("5","5","4","2","5","7","3","1") = "6"
    & skf21("5","5","4","2","5","7","4","1") = "6"
    & skf21("5","5","4","2","5","7","5","1") = "6"
    & skf21("5","5","4","2","5","7","6","1") = "6"
    & skf21("5","5","4","2","5","7","7","1") = "6"
    & skf21("5","5","4","2","6","1","1","1") = "5"
    & skf21("5","5","4","2","6","1","2","1") = "5"
    & skf21("5","5","4","2","6","1","3","1") = "5"
    & skf21("5","5","4","2","6","1","4","1") = "5"
    & skf21("5","5","4","2","6","1","5","1") = "5"
    & skf21("5","5","4","2","6","1","6","1") = "5"
    & skf21("5","5","4","2","6","1","7","1") = "6"
    & skf21("5","5","4","2","6","2","1","1") = "5"
    & skf21("5","5","4","2","6","2","2","1") = "5"
    & skf21("5","5","4","2","6","2","3","1") = "5"
    & skf21("5","5","4","2","6","2","4","1") = "5"
    & skf21("5","5","4","2","6","2","5","1") = "5"
    & skf21("5","5","4","2","6","2","6","1") = "5"
    & skf21("5","5","4","2","6","2","7","1") = "6"
    & skf21("5","5","4","2","6","3","1","1") = "5"
    & skf21("5","5","4","2","6","3","2","1") = "5"
    & skf21("5","5","4","2","6","3","3","1") = "5"
    & skf21("5","5","4","2","6","3","4","1") = "5"
    & skf21("5","5","4","2","6","3","5","1") = "5"
    & skf21("5","5","4","2","6","3","6","1") = "5"
    & skf21("5","5","4","2","6","3","7","1") = "6"
    & skf21("5","5","4","2","6","4","1","1") = "5"
    & skf21("5","5","4","2","6","4","2","1") = "5"
    & skf21("5","5","4","2","6","4","3","1") = "5"
    & skf21("5","5","4","2","6","4","4","1") = "5"
    & skf21("5","5","4","2","6","4","5","1") = "5"
    & skf21("5","5","4","2","6","4","6","1") = "5"
    & skf21("5","5","4","2","6","4","7","1") = "6"
    & skf21("5","5","4","2","6","5","1","1") = "5"
    & skf21("5","5","4","2","6","5","2","1") = "5"
    & skf21("5","5","4","2","6","5","3","1") = "5"
    & skf21("5","5","4","2","6","5","4","1") = "5"
    & skf21("5","5","4","2","6","5","5","1") = "5"
    & skf21("5","5","4","2","6","5","6","1") = "5"
    & skf21("5","5","4","2","6","5","7","1") = "6"
    & skf21("5","5","4","2","6","6","1","1") = "5"
    & skf21("5","5","4","2","6","6","2","1") = "5"
    & skf21("5","5","4","2","6","6","3","1") = "5"
    & skf21("5","5","4","2","6","6","4","1") = "5"
    & skf21("5","5","4","2","6","6","5","1") = "5"
    & skf21("5","5","4","2","6","6","6","1") = "5"
    & skf21("5","5","4","2","6","6","7","1") = "6"
    & skf21("5","5","4","2","6","7","1","1") = "6"
    & skf21("5","5","4","2","6","7","2","1") = "6"
    & skf21("5","5","4","2","6","7","3","1") = "6"
    & skf21("5","5","4","2","6","7","4","1") = "6"
    & skf21("5","5","4","2","6","7","5","1") = "6"
    & skf21("5","5","4","2","6","7","6","1") = "6"
    & skf21("5","5","4","2","6","7","7","1") = "6"
    & skf21("5","5","4","2","7","1","1","1") = "6"
    & skf21("5","5","4","2","7","1","2","1") = "6"
    & skf21("5","5","4","2","7","1","3","1") = "6"
    & skf21("5","5","4","2","7","1","4","1") = "6"
    & skf21("5","5","4","2","7","1","5","1") = "6"
    & skf21("5","5","4","2","7","1","6","1") = "6"
    & skf21("5","5","4","2","7","1","7","1") = "6"
    & skf21("5","5","4","2","7","2","1","1") = "6"
    & skf21("5","5","4","2","7","2","2","1") = "6"
    & skf21("5","5","4","2","7","2","3","1") = "6"
    & skf21("5","5","4","2","7","2","4","1") = "6"
    & skf21("5","5","4","2","7","2","5","1") = "6"
    & skf21("5","5","4","2","7","2","6","1") = "6"
    & skf21("5","5","4","2","7","2","7","1") = "6"
    & skf21("5","5","4","2","7","3","1","1") = "6"
    & skf21("5","5","4","2","7","3","2","1") = "6"
    & skf21("5","5","4","2","7","3","3","1") = "6"
    & skf21("5","5","4","2","7","3","4","1") = "6"
    & skf21("5","5","4","2","7","3","5","1") = "6"
    & skf21("5","5","4","2","7","3","6","1") = "6"
    & skf21("5","5","4","2","7","3","7","1") = "6"
    & skf21("5","5","4","2","7","4","1","1") = "6"
    & skf21("5","5","4","2","7","4","2","1") = "6"
    & skf21("5","5","4","2","7","4","3","1") = "6"
    & skf21("5","5","4","2","7","4","4","1") = "6"
    & skf21("5","5","4","2","7","4","5","1") = "6"
    & skf21("5","5","4","2","7","4","6","1") = "6"
    & skf21("5","5","4","2","7","4","7","1") = "6"
    & skf21("5","5","4","2","7","5","1","1") = "6"
    & skf21("5","5","4","2","7","5","2","1") = "6"
    & skf21("5","5","4","2","7","5","3","1") = "6"
    & skf21("5","5","4","2","7","5","4","1") = "6"
    & skf21("5","5","4","2","7","5","5","1") = "6"
    & skf21("5","5","4","2","7","5","6","1") = "6"
    & skf21("5","5","4","2","7","5","7","1") = "6"
    & skf21("5","5","4","2","7","6","1","1") = "6"
    & skf21("5","5","4","2","7","6","2","1") = "6"
    & skf21("5","5","4","2","7","6","3","1") = "6"
    & skf21("5","5","4","2","7","6","4","1") = "6"
    & skf21("5","5","4","2","7","6","5","1") = "6"
    & skf21("5","5","4","2","7","6","6","1") = "6"
    & skf21("5","5","4","2","7","6","7","1") = "6"
    & skf21("5","5","4","2","7","7","1","1") = "6"
    & skf21("5","5","4","2","7","7","2","1") = "6"
    & skf21("5","5","4","2","7","7","3","1") = "6"
    & skf21("5","5","4","2","7","7","4","1") = "6"
    & skf21("5","5","4","2","7","7","5","1") = "6"
    & skf21("5","5","4","2","7","7","6","1") = "6"
    & skf21("5","5","4","2","7","7","7","1") = "6"
    & skf21("5","5","4","3","1","1","1","1") = "4"
    & skf21("5","5","4","3","1","1","2","1") = "4"
    & skf21("5","5","4","3","1","1","3","1") = "4"
    & skf21("5","5","4","3","1","1","4","1") = "4"
    & skf21("5","5","4","3","1","1","5","1") = "4"
    & skf21("5","5","4","3","1","1","6","1") = "5"
    & skf21("5","5","4","3","1","1","7","1") = "6"
    & skf21("5","5","4","3","1","2","1","1") = "4"
    & skf21("5","5","4","3","1","2","2","1") = "4"
    & skf21("5","5","4","3","1","2","3","1") = "4"
    & skf21("5","5","4","3","1","2","4","1") = "4"
    & skf21("5","5","4","3","1","2","5","1") = "4"
    & skf21("5","5","4","3","1","2","6","1") = "5"
    & skf21("5","5","4","3","1","2","7","1") = "6"
    & skf21("5","5","4","3","1","3","1","1") = "4"
    & skf21("5","5","4","3","1","3","2","1") = "4"
    & skf21("5","5","4","3","1","3","3","1") = "4"
    & skf21("5","5","4","3","1","3","4","1") = "4"
    & skf21("5","5","4","3","1","3","5","1") = "4"
    & skf21("5","5","4","3","1","3","6","1") = "5"
    & skf21("5","5","4","3","1","3","7","1") = "6"
    & skf21("5","5","4","3","1","4","1","1") = "4"
    & skf21("5","5","4","3","1","4","2","1") = "4"
    & skf21("5","5","4","3","1","4","3","1") = "4"
    & skf21("5","5","4","3","1","4","4","1") = "4"
    & skf21("5","5","4","3","1","4","5","1") = "4"
    & skf21("5","5","4","3","1","4","6","1") = "5"
    & skf21("5","5","4","3","1","4","7","1") = "6"
    & skf21("5","5","4","3","1","5","1","1") = "4"
    & skf21("5","5","4","3","1","5","2","1") = "4"
    & skf21("5","5","4","3","1","5","3","1") = "4"
    & skf21("5","5","4","3","1","5","4","1") = "4"
    & skf21("5","5","4","3","1","5","5","1") = "4"
    & skf21("5","5","4","3","1","5","6","1") = "5"
    & skf21("5","5","4","3","1","5","7","1") = "6"
    & skf21("5","5","4","3","1","6","1","1") = "5"
    & skf21("5","5","4","3","1","6","2","1") = "5"
    & skf21("5","5","4","3","1","6","3","1") = "5"
    & skf21("5","5","4","3","1","6","4","1") = "5"
    & skf21("5","5","4","3","1","6","5","1") = "5"
    & skf21("5","5","4","3","1","6","6","1") = "5"
    & skf21("5","5","4","3","1","6","7","1") = "6"
    & skf21("5","5","4","3","1","7","1","1") = "6"
    & skf21("5","5","4","3","1","7","2","1") = "6"
    & skf21("5","5","4","3","1","7","3","1") = "6"
    & skf21("5","5","4","3","1","7","4","1") = "6"
    & skf21("5","5","4","3","1","7","5","1") = "6"
    & skf21("5","5","4","3","1","7","6","1") = "6"
    & skf21("5","5","4","3","1","7","7","1") = "6"
    & skf21("5","5","4","3","2","1","1","1") = "4"
    & skf21("5","5","4","3","2","1","2","1") = "4"
    & skf21("5","5","4","3","2","1","3","1") = "4"
    & skf21("5","5","4","3","2","1","4","1") = "4"
    & skf21("5","5","4","3","2","1","5","1") = "4"
    & skf21("5","5","4","3","2","1","6","1") = "5"
    & skf21("5","5","4","3","2","1","7","1") = "6"
    & skf21("5","5","4","3","2","2","1","1") = "4"
    & skf21("5","5","4","3","2","2","2","1") = "4"
    & skf21("5","5","4","3","2","2","3","1") = "4"
    & skf21("5","5","4","3","2","2","4","1") = "4"
    & skf21("5","5","4","3","2","2","5","1") = "4"
    & skf21("5","5","4","3","2","2","6","1") = "5"
    & skf21("5","5","4","3","2","2","7","1") = "6"
    & skf21("5","5","4","3","2","3","1","1") = "4"
    & skf21("5","5","4","3","2","3","2","1") = "4"
    & skf21("5","5","4","3","2","3","3","1") = "4"
    & skf21("5","5","4","3","2","3","4","1") = "4"
    & skf21("5","5","4","3","2","3","5","1") = "4"
    & skf21("5","5","4","3","2","3","6","1") = "5"
    & skf21("5","5","4","3","2","3","7","1") = "6"
    & skf21("5","5","4","3","2","4","1","1") = "4"
    & skf21("5","5","4","3","2","4","2","1") = "4"
    & skf21("5","5","4","3","2","4","3","1") = "4"
    & skf21("5","5","4","3","2","4","4","1") = "4"
    & skf21("5","5","4","3","2","4","5","1") = "4"
    & skf21("5","5","4","3","2","4","6","1") = "5"
    & skf21("5","5","4","3","2","4","7","1") = "6"
    & skf21("5","5","4","3","2","5","1","1") = "4"
    & skf21("5","5","4","3","2","5","2","1") = "4"
    & skf21("5","5","4","3","2","5","3","1") = "4"
    & skf21("5","5","4","3","2","5","4","1") = "4"
    & skf21("5","5","4","3","2","5","5","1") = "4"
    & skf21("5","5","4","3","2","5","6","1") = "5"
    & skf21("5","5","4","3","2","5","7","1") = "6"
    & skf21("5","5","4","3","2","6","1","1") = "5"
    & skf21("5","5","4","3","2","6","2","1") = "5"
    & skf21("5","5","4","3","2","6","3","1") = "5"
    & skf21("5","5","4","3","2","6","4","1") = "5"
    & skf21("5","5","4","3","2","6","5","1") = "5"
    & skf21("5","5","4","3","2","6","6","1") = "5"
    & skf21("5","5","4","3","2","6","7","1") = "6"
    & skf21("5","5","4","3","2","7","1","1") = "6"
    & skf21("5","5","4","3","2","7","2","1") = "6"
    & skf21("5","5","4","3","2","7","3","1") = "6"
    & skf21("5","5","4","3","2","7","4","1") = "6"
    & skf21("5","5","4","3","2","7","5","1") = "6"
    & skf21("5","5","4","3","2","7","6","1") = "6"
    & skf21("5","5","4","3","2","7","7","1") = "6"
    & skf21("5","5","4","3","3","1","1","1") = "4"
    & skf21("5","5","4","3","3","1","2","1") = "4"
    & skf21("5","5","4","3","3","1","3","1") = "4"
    & skf21("5","5","4","3","3","1","4","1") = "4"
    & skf21("5","5","4","3","3","1","5","1") = "4"
    & skf21("5","5","4","3","3","1","6","1") = "5"
    & skf21("5","5","4","3","3","1","7","1") = "6"
    & skf21("5","5","4","3","3","2","1","1") = "4"
    & skf21("5","5","4","3","3","2","2","1") = "4"
    & skf21("5","5","4","3","3","2","3","1") = "4"
    & skf21("5","5","4","3","3","2","4","1") = "4"
    & skf21("5","5","4","3","3","2","5","1") = "4"
    & skf21("5","5","4","3","3","2","6","1") = "5"
    & skf21("5","5","4","3","3","2","7","1") = "6"
    & skf21("5","5","4","3","3","3","1","1") = "4"
    & skf21("5","5","4","3","3","3","2","1") = "4"
    & skf21("5","5","4","3","3","3","3","1") = "4"
    & skf21("5","5","4","3","3","3","4","1") = "4"
    & skf21("5","5","4","3","3","3","5","1") = "4"
    & skf21("5","5","4","3","3","3","6","1") = "5"
    & skf21("5","5","4","3","3","3","7","1") = "6"
    & skf21("5","5","4","3","3","4","1","1") = "4"
    & skf21("5","5","4","3","3","4","2","1") = "4"
    & skf21("5","5","4","3","3","4","3","1") = "4"
    & skf21("5","5","4","3","3","4","4","1") = "4"
    & skf21("5","5","4","3","3","4","5","1") = "4"
    & skf21("5","5","4","3","3","4","6","1") = "5"
    & skf21("5","5","4","3","3","4","7","1") = "6"
    & skf21("5","5","4","3","3","5","1","1") = "4"
    & skf21("5","5","4","3","3","5","2","1") = "4"
    & skf21("5","5","4","3","3","5","3","1") = "4"
    & skf21("5","5","4","3","3","5","4","1") = "4"
    & skf21("5","5","4","3","3","5","5","1") = "4"
    & skf21("5","5","4","3","3","5","6","1") = "5"
    & skf21("5","5","4","3","3","5","7","1") = "6"
    & skf21("5","5","4","3","3","6","1","1") = "5"
    & skf21("5","5","4","3","3","6","2","1") = "5"
    & skf21("5","5","4","3","3","6","3","1") = "5"
    & skf21("5","5","4","3","3","6","4","1") = "5"
    & skf21("5","5","4","3","3","6","5","1") = "5"
    & skf21("5","5","4","3","3","6","6","1") = "5"
    & skf21("5","5","4","3","3","6","7","1") = "6"
    & skf21("5","5","4","3","3","7","1","1") = "6"
    & skf21("5","5","4","3","3","7","2","1") = "6"
    & skf21("5","5","4","3","3","7","3","1") = "6"
    & skf21("5","5","4","3","3","7","4","1") = "6"
    & skf21("5","5","4","3","3","7","5","1") = "6"
    & skf21("5","5","4","3","3","7","6","1") = "6"
    & skf21("5","5","4","3","3","7","7","1") = "6"
    & skf21("5","5","4","3","4","1","1","1") = "4"
    & skf21("5","5","4","3","4","1","2","1") = "4"
    & skf21("5","5","4","3","4","1","3","1") = "4"
    & skf21("5","5","4","3","4","1","4","1") = "4"
    & skf21("5","5","4","3","4","1","5","1") = "4"
    & skf21("5","5","4","3","4","1","6","1") = "5"
    & skf21("5","5","4","3","4","1","7","1") = "6"
    & skf21("5","5","4","3","4","2","1","1") = "4"
    & skf21("5","5","4","3","4","2","2","1") = "4"
    & skf21("5","5","4","3","4","2","3","1") = "4"
    & skf21("5","5","4","3","4","2","4","1") = "4"
    & skf21("5","5","4","3","4","2","5","1") = "4"
    & skf21("5","5","4","3","4","2","6","1") = "5"
    & skf21("5","5","4","3","4","2","7","1") = "6"
    & skf21("5","5","4","3","4","3","1","1") = "4"
    & skf21("5","5","4","3","4","3","2","1") = "4"
    & skf21("5","5","4","3","4","3","3","1") = "4"
    & skf21("5","5","4","3","4","3","4","1") = "4"
    & skf21("5","5","4","3","4","3","5","1") = "4"
    & skf21("5","5","4","3","4","3","6","1") = "5"
    & skf21("5","5","4","3","4","3","7","1") = "6"
    & skf21("5","5","4","3","4","4","1","1") = "4"
    & skf21("5","5","4","3","4","4","2","1") = "4"
    & skf21("5","5","4","3","4","4","3","1") = "4"
    & skf21("5","5","4","3","4","4","4","1") = "4"
    & skf21("5","5","4","3","4","4","5","1") = "4"
    & skf21("5","5","4","3","4","4","6","1") = "5"
    & skf21("5","5","4","3","4","4","7","1") = "6"
    & skf21("5","5","4","3","4","5","1","1") = "4"
    & skf21("5","5","4","3","4","5","2","1") = "4"
    & skf21("5","5","4","3","4","5","3","1") = "4"
    & skf21("5","5","4","3","4","5","4","1") = "4"
    & skf21("5","5","4","3","4","5","5","1") = "4"
    & skf21("5","5","4","3","4","5","6","1") = "5"
    & skf21("5","5","4","3","4","5","7","1") = "6"
    & skf21("5","5","4","3","4","6","1","1") = "5"
    & skf21("5","5","4","3","4","6","2","1") = "5"
    & skf21("5","5","4","3","4","6","3","1") = "5"
    & skf21("5","5","4","3","4","6","4","1") = "5"
    & skf21("5","5","4","3","4","6","5","1") = "5"
    & skf21("5","5","4","3","4","6","6","1") = "5"
    & skf21("5","5","4","3","4","6","7","1") = "6"
    & skf21("5","5","4","3","4","7","1","1") = "6"
    & skf21("5","5","4","3","4","7","2","1") = "6"
    & skf21("5","5","4","3","4","7","3","1") = "6"
    & skf21("5","5","4","3","4","7","4","1") = "6"
    & skf21("5","5","4","3","4","7","5","1") = "6"
    & skf21("5","5","4","3","4","7","6","1") = "6"
    & skf21("5","5","4","3","4","7","7","1") = "6"
    & skf21("5","5","4","3","5","1","1","1") = "4"
    & skf21("5","5","4","3","5","1","2","1") = "4"
    & skf21("5","5","4","3","5","1","3","1") = "4"
    & skf21("5","5","4","3","5","1","4","1") = "4"
    & skf21("5","5","4","3","5","1","5","1") = "4"
    & skf21("5","5","4","3","5","1","6","1") = "5"
    & skf21("5","5","4","3","5","1","7","1") = "6"
    & skf21("5","5","4","3","5","2","1","1") = "4"
    & skf21("5","5","4","3","5","2","2","1") = "4"
    & skf21("5","5","4","3","5","2","3","1") = "4"
    & skf21("5","5","4","3","5","2","4","1") = "4"
    & skf21("5","5","4","3","5","2","5","1") = "4"
    & skf21("5","5","4","3","5","2","6","1") = "5"
    & skf21("5","5","4","3","5","2","7","1") = "6"
    & skf21("5","5","4","3","5","3","1","1") = "4"
    & skf21("5","5","4","3","5","3","2","1") = "4"
    & skf21("5","5","4","3","5","3","3","1") = "4"
    & skf21("5","5","4","3","5","3","4","1") = "4"
    & skf21("5","5","4","3","5","3","5","1") = "4"
    & skf21("5","5","4","3","5","3","6","1") = "5"
    & skf21("5","5","4","3","5","3","7","1") = "6"
    & skf21("5","5","4","3","5","4","1","1") = "4"
    & skf21("5","5","4","3","5","4","2","1") = "4"
    & skf21("5","5","4","3","5","4","3","1") = "4"
    & skf21("5","5","4","3","5","4","4","1") = "4"
    & skf21("5","5","4","3","5","4","5","1") = "4"
    & skf21("5","5","4","3","5","4","6","1") = "5"
    & skf21("5","5","4","3","5","4","7","1") = "6"
    & skf21("5","5","4","3","5","5","1","1") = "4"
    & skf21("5","5","4","3","5","5","2","1") = "4"
    & skf21("5","5","4","3","5","5","3","1") = "4"
    & skf21("5","5","4","3","5","5","4","1") = "4"
    & skf21("5","5","4","3","5","5","5","1") = "4"
    & skf21("5","5","4","3","5","5","6","1") = "5"
    & skf21("5","5","4","3","5","5","7","1") = "6"
    & skf21("5","5","4","3","5","6","1","1") = "5"
    & skf21("5","5","4","3","5","6","2","1") = "5"
    & skf21("5","5","4","3","5","6","3","1") = "5"
    & skf21("5","5","4","3","5","6","4","1") = "5"
    & skf21("5","5","4","3","5","6","5","1") = "5"
    & skf21("5","5","4","3","5","6","6","1") = "5"
    & skf21("5","5","4","3","5","6","7","1") = "6"
    & skf21("5","5","4","3","5","7","1","1") = "6"
    & skf21("5","5","4","3","5","7","2","1") = "6"
    & skf21("5","5","4","3","5","7","3","1") = "6"
    & skf21("5","5","4","3","5","7","4","1") = "6"
    & skf21("5","5","4","3","5","7","5","1") = "6"
    & skf21("5","5","4","3","5","7","6","1") = "6"
    & skf21("5","5","4","3","5","7","7","1") = "6"
    & skf21("5","5","4","3","6","1","1","1") = "5"
    & skf21("5","5","4","3","6","1","2","1") = "5"
    & skf21("5","5","4","3","6","1","3","1") = "5"
    & skf21("5","5","4","3","6","1","4","1") = "5"
    & skf21("5","5","4","3","6","1","5","1") = "5"
    & skf21("5","5","4","3","6","1","6","1") = "5"
    & skf21("5","5","4","3","6","1","7","1") = "6"
    & skf21("5","5","4","3","6","2","1","1") = "5"
    & skf21("5","5","4","3","6","2","2","1") = "5"
    & skf21("5","5","4","3","6","2","3","1") = "5"
    & skf21("5","5","4","3","6","2","4","1") = "5"
    & skf21("5","5","4","3","6","2","5","1") = "5"
    & skf21("5","5","4","3","6","2","6","1") = "5"
    & skf21("5","5","4","3","6","2","7","1") = "6"
    & skf21("5","5","4","3","6","3","1","1") = "5"
    & skf21("5","5","4","3","6","3","2","1") = "5"
    & skf21("5","5","4","3","6","3","3","1") = "5"
    & skf21("5","5","4","3","6","3","4","1") = "5"
    & skf21("5","5","4","3","6","3","5","1") = "5"
    & skf21("5","5","4","3","6","3","6","1") = "5"
    & skf21("5","5","4","3","6","3","7","1") = "6"
    & skf21("5","5","4","3","6","4","1","1") = "5"
    & skf21("5","5","4","3","6","4","2","1") = "5"
    & skf21("5","5","4","3","6","4","3","1") = "5"
    & skf21("5","5","4","3","6","4","4","1") = "5"
    & skf21("5","5","4","3","6","4","5","1") = "5"
    & skf21("5","5","4","3","6","4","6","1") = "5"
    & skf21("5","5","4","3","6","4","7","1") = "6"
    & skf21("5","5","4","3","6","5","1","1") = "5"
    & skf21("5","5","4","3","6","5","2","1") = "5"
    & skf21("5","5","4","3","6","5","3","1") = "5"
    & skf21("5","5","4","3","6","5","4","1") = "5"
    & skf21("5","5","4","3","6","5","5","1") = "5"
    & skf21("5","5","4","3","6","5","6","1") = "5"
    & skf21("5","5","4","3","6","5","7","1") = "6"
    & skf21("5","5","4","3","6","6","1","1") = "5"
    & skf21("5","5","4","3","6","6","2","1") = "5"
    & skf21("5","5","4","3","6","6","3","1") = "5"
    & skf21("5","5","4","3","6","6","4","1") = "5"
    & skf21("5","5","4","3","6","6","5","1") = "5"
    & skf21("5","5","4","3","6","6","6","1") = "5"
    & skf21("5","5","4","3","6","6","7","1") = "6"
    & skf21("5","5","4","3","6","7","1","1") = "6"
    & skf21("5","5","4","3","6","7","2","1") = "6"
    & skf21("5","5","4","3","6","7","3","1") = "6"
    & skf21("5","5","4","3","6","7","4","1") = "6"
    & skf21("5","5","4","3","6","7","5","1") = "6"
    & skf21("5","5","4","3","6","7","6","1") = "6"
    & skf21("5","5","4","3","6","7","7","1") = "6"
    & skf21("5","5","4","3","7","1","1","1") = "6"
    & skf21("5","5","4","3","7","1","2","1") = "6"
    & skf21("5","5","4","3","7","1","3","1") = "6"
    & skf21("5","5","4","3","7","1","4","1") = "6"
    & skf21("5","5","4","3","7","1","5","1") = "6"
    & skf21("5","5","4","3","7","1","6","1") = "6"
    & skf21("5","5","4","3","7","1","7","1") = "6"
    & skf21("5","5","4","3","7","2","1","1") = "6"
    & skf21("5","5","4","3","7","2","2","1") = "6"
    & skf21("5","5","4","3","7","2","3","1") = "6"
    & skf21("5","5","4","3","7","2","4","1") = "6"
    & skf21("5","5","4","3","7","2","5","1") = "6"
    & skf21("5","5","4","3","7","2","6","1") = "6"
    & skf21("5","5","4","3","7","2","7","1") = "6"
    & skf21("5","5","4","3","7","3","1","1") = "6"
    & skf21("5","5","4","3","7","3","2","1") = "6"
    & skf21("5","5","4","3","7","3","3","1") = "6"
    & skf21("5","5","4","3","7","3","4","1") = "6"
    & skf21("5","5","4","3","7","3","5","1") = "6"
    & skf21("5","5","4","3","7","3","6","1") = "6"
    & skf21("5","5","4","3","7","3","7","1") = "6"
    & skf21("5","5","4","3","7","4","1","1") = "6"
    & skf21("5","5","4","3","7","4","2","1") = "6"
    & skf21("5","5","4","3","7","4","3","1") = "6"
    & skf21("5","5","4","3","7","4","4","1") = "6"
    & skf21("5","5","4","3","7","4","5","1") = "6"
    & skf21("5","5","4","3","7","4","6","1") = "6"
    & skf21("5","5","4","3","7","4","7","1") = "6"
    & skf21("5","5","4","3","7","5","1","1") = "6"
    & skf21("5","5","4","3","7","5","2","1") = "6"
    & skf21("5","5","4","3","7","5","3","1") = "6"
    & skf21("5","5","4","3","7","5","4","1") = "6"
    & skf21("5","5","4","3","7","5","5","1") = "6"
    & skf21("5","5","4","3","7","5","6","1") = "6"
    & skf21("5","5","4","3","7","5","7","1") = "6"
    & skf21("5","5","4","3","7","6","1","1") = "6"
    & skf21("5","5","4","3","7","6","2","1") = "6"
    & skf21("5","5","4","3","7","6","3","1") = "6"
    & skf21("5","5","4","3","7","6","4","1") = "6"
    & skf21("5","5","4","3","7","6","5","1") = "6"
    & skf21("5","5","4","3","7","6","6","1") = "6"
    & skf21("5","5","4","3","7","6","7","1") = "6"
    & skf21("5","5","4","3","7","7","1","1") = "6"
    & skf21("5","5","4","3","7","7","2","1") = "6"
    & skf21("5","5","4","3","7","7","3","1") = "6"
    & skf21("5","5","4","3","7","7","4","1") = "6"
    & skf21("5","5","4","3","7","7","5","1") = "6"
    & skf21("5","5","4","3","7","7","6","1") = "6"
    & skf21("5","5","4","3","7","7","7","1") = "6"
    & skf21("5","5","4","4","1","1","1","1") = "4"
    & skf21("5","5","4","4","1","1","2","1") = "4"
    & skf21("5","5","4","4","1","1","3","1") = "4"
    & skf21("5","5","4","4","1","1","4","1") = "4"
    & skf21("5","5","4","4","1","1","5","1") = "4"
    & skf21("5","5","4","4","1","1","6","1") = "5"
    & skf21("5","5","4","4","1","1","7","1") = "6"
    & skf21("5","5","4","4","1","2","1","1") = "4"
    & skf21("5","5","4","4","1","2","2","1") = "4"
    & skf21("5","5","4","4","1","2","3","1") = "4"
    & skf21("5","5","4","4","1","2","4","1") = "4"
    & skf21("5","5","4","4","1","2","5","1") = "4"
    & skf21("5","5","4","4","1","2","6","1") = "5"
    & skf21("5","5","4","4","1","2","7","1") = "6"
    & skf21("5","5","4","4","1","3","1","1") = "4"
    & skf21("5","5","4","4","1","3","2","1") = "4"
    & skf21("5","5","4","4","1","3","3","1") = "4"
    & skf21("5","5","4","4","1","3","4","1") = "4"
    & skf21("5","5","4","4","1","3","5","1") = "4"
    & skf21("5","5","4","4","1","3","6","1") = "5"
    & skf21("5","5","4","4","1","3","7","1") = "6"
    & skf21("5","5","4","4","1","4","1","1") = "4"
    & skf21("5","5","4","4","1","4","2","1") = "4"
    & skf21("5","5","4","4","1","4","3","1") = "4"
    & skf21("5","5","4","4","1","4","4","1") = "4"
    & skf21("5","5","4","4","1","4","5","1") = "4"
    & skf21("5","5","4","4","1","4","6","1") = "5"
    & skf21("5","5","4","4","1","4","7","1") = "6"
    & skf21("5","5","4","4","1","5","1","1") = "4"
    & skf21("5","5","4","4","1","5","2","1") = "4"
    & skf21("5","5","4","4","1","5","3","1") = "4"
    & skf21("5","5","4","4","1","5","4","1") = "4"
    & skf21("5","5","4","4","1","5","5","1") = "4"
    & skf21("5","5","4","4","1","5","6","1") = "5"
    & skf21("5","5","4","4","1","5","7","1") = "6"
    & skf21("5","5","4","4","1","6","1","1") = "5"
    & skf21("5","5","4","4","1","6","2","1") = "5"
    & skf21("5","5","4","4","1","6","3","1") = "5"
    & skf21("5","5","4","4","1","6","4","1") = "5"
    & skf21("5","5","4","4","1","6","5","1") = "5"
    & skf21("5","5","4","4","1","6","6","1") = "5"
    & skf21("5","5","4","4","1","6","7","1") = "6"
    & skf21("5","5","4","4","1","7","1","1") = "6"
    & skf21("5","5","4","4","1","7","2","1") = "6"
    & skf21("5","5","4","4","1","7","3","1") = "6"
    & skf21("5","5","4","4","1","7","4","1") = "6"
    & skf21("5","5","4","4","1","7","5","1") = "6"
    & skf21("5","5","4","4","1","7","6","1") = "6"
    & skf21("5","5","4","4","1","7","7","1") = "6"
    & skf21("5","5","4","4","2","1","1","1") = "4"
    & skf21("5","5","4","4","2","1","2","1") = "4"
    & skf21("5","5","4","4","2","1","3","1") = "4"
    & skf21("5","5","4","4","2","1","4","1") = "4"
    & skf21("5","5","4","4","2","1","5","1") = "4"
    & skf21("5","5","4","4","2","1","6","1") = "5"
    & skf21("5","5","4","4","2","1","7","1") = "6"
    & skf21("5","5","4","4","2","2","1","1") = "4"
    & skf21("5","5","4","4","2","2","2","1") = "4"
    & skf21("5","5","4","4","2","2","3","1") = "4"
    & skf21("5","5","4","4","2","2","4","1") = "4"
    & skf21("5","5","4","4","2","2","5","1") = "4"
    & skf21("5","5","4","4","2","2","6","1") = "5"
    & skf21("5","5","4","4","2","2","7","1") = "6"
    & skf21("5","5","4","4","2","3","1","1") = "4"
    & skf21("5","5","4","4","2","3","2","1") = "4"
    & skf21("5","5","4","4","2","3","3","1") = "4"
    & skf21("5","5","4","4","2","3","4","1") = "4"
    & skf21("5","5","4","4","2","3","5","1") = "4"
    & skf21("5","5","4","4","2","3","6","1") = "5"
    & skf21("5","5","4","4","2","3","7","1") = "6"
    & skf21("5","5","4","4","2","4","1","1") = "4"
    & skf21("5","5","4","4","2","4","2","1") = "4"
    & skf21("5","5","4","4","2","4","3","1") = "4"
    & skf21("5","5","4","4","2","4","4","1") = "4"
    & skf21("5","5","4","4","2","4","5","1") = "4"
    & skf21("5","5","4","4","2","4","6","1") = "5"
    & skf21("5","5","4","4","2","4","7","1") = "6"
    & skf21("5","5","4","4","2","5","1","1") = "4"
    & skf21("5","5","4","4","2","5","2","1") = "4"
    & skf21("5","5","4","4","2","5","3","1") = "4"
    & skf21("5","5","4","4","2","5","4","1") = "4"
    & skf21("5","5","4","4","2","5","5","1") = "4"
    & skf21("5","5","4","4","2","5","6","1") = "5"
    & skf21("5","5","4","4","2","5","7","1") = "6"
    & skf21("5","5","4","4","2","6","1","1") = "5"
    & skf21("5","5","4","4","2","6","2","1") = "5"
    & skf21("5","5","4","4","2","6","3","1") = "5"
    & skf21("5","5","4","4","2","6","4","1") = "5"
    & skf21("5","5","4","4","2","6","5","1") = "5"
    & skf21("5","5","4","4","2","6","6","1") = "5"
    & skf21("5","5","4","4","2","6","7","1") = "6"
    & skf21("5","5","4","4","2","7","1","1") = "6"
    & skf21("5","5","4","4","2","7","2","1") = "6"
    & skf21("5","5","4","4","2","7","3","1") = "6"
    & skf21("5","5","4","4","2","7","4","1") = "6"
    & skf21("5","5","4","4","2","7","5","1") = "6"
    & skf21("5","5","4","4","2","7","6","1") = "6"
    & skf21("5","5","4","4","2","7","7","1") = "6"
    & skf21("5","5","4","4","3","1","1","1") = "4"
    & skf21("5","5","4","4","3","1","2","1") = "4"
    & skf21("5","5","4","4","3","1","3","1") = "4"
    & skf21("5","5","4","4","3","1","4","1") = "4"
    & skf21("5","5","4","4","3","1","5","1") = "4"
    & skf21("5","5","4","4","3","1","6","1") = "5"
    & skf21("5","5","4","4","3","1","7","1") = "6"
    & skf21("5","5","4","4","3","2","1","1") = "4"
    & skf21("5","5","4","4","3","2","2","1") = "4"
    & skf21("5","5","4","4","3","2","3","1") = "4"
    & skf21("5","5","4","4","3","2","4","1") = "4"
    & skf21("5","5","4","4","3","2","5","1") = "4"
    & skf21("5","5","4","4","3","2","6","1") = "5"
    & skf21("5","5","4","4","3","2","7","1") = "6"
    & skf21("5","5","4","4","3","3","1","1") = "4"
    & skf21("5","5","4","4","3","3","2","1") = "4"
    & skf21("5","5","4","4","3","3","3","1") = "4"
    & skf21("5","5","4","4","3","3","4","1") = "4"
    & skf21("5","5","4","4","3","3","5","1") = "4"
    & skf21("5","5","4","4","3","3","6","1") = "5"
    & skf21("5","5","4","4","3","3","7","1") = "6"
    & skf21("5","5","4","4","3","4","1","1") = "4"
    & skf21("5","5","4","4","3","4","2","1") = "4"
    & skf21("5","5","4","4","3","4","3","1") = "4"
    & skf21("5","5","4","4","3","4","4","1") = "4"
    & skf21("5","5","4","4","3","4","5","1") = "4"
    & skf21("5","5","4","4","3","4","6","1") = "5"
    & skf21("5","5","4","4","3","4","7","1") = "6"
    & skf21("5","5","4","4","3","5","1","1") = "4"
    & skf21("5","5","4","4","3","5","2","1") = "4"
    & skf21("5","5","4","4","3","5","3","1") = "4"
    & skf21("5","5","4","4","3","5","4","1") = "4"
    & skf21("5","5","4","4","3","5","5","1") = "4"
    & skf21("5","5","4","4","3","5","6","1") = "5"
    & skf21("5","5","4","4","3","5","7","1") = "6"
    & skf21("5","5","4","4","3","6","1","1") = "5"
    & skf21("5","5","4","4","3","6","2","1") = "5"
    & skf21("5","5","4","4","3","6","3","1") = "5"
    & skf21("5","5","4","4","3","6","4","1") = "5"
    & skf21("5","5","4","4","3","6","5","1") = "5"
    & skf21("5","5","4","4","3","6","6","1") = "5"
    & skf21("5","5","4","4","3","6","7","1") = "6"
    & skf21("5","5","4","4","3","7","1","1") = "6"
    & skf21("5","5","4","4","3","7","2","1") = "6"
    & skf21("5","5","4","4","3","7","3","1") = "6"
    & skf21("5","5","4","4","3","7","4","1") = "6"
    & skf21("5","5","4","4","3","7","5","1") = "6"
    & skf21("5","5","4","4","3","7","6","1") = "6"
    & skf21("5","5","4","4","3","7","7","1") = "6"
    & skf21("5","5","4","4","4","1","1","1") = "4"
    & skf21("5","5","4","4","4","1","2","1") = "4"
    & skf21("5","5","4","4","4","1","3","1") = "4"
    & skf21("5","5","4","4","4","1","4","1") = "4"
    & skf21("5","5","4","4","4","1","5","1") = "4"
    & skf21("5","5","4","4","4","1","6","1") = "5"
    & skf21("5","5","4","4","4","1","7","1") = "6"
    & skf21("5","5","4","4","4","2","1","1") = "4"
    & skf21("5","5","4","4","4","2","2","1") = "4"
    & skf21("5","5","4","4","4","2","3","1") = "4"
    & skf21("5","5","4","4","4","2","4","1") = "4"
    & skf21("5","5","4","4","4","2","5","1") = "4"
    & skf21("5","5","4","4","4","2","6","1") = "5"
    & skf21("5","5","4","4","4","2","7","1") = "6"
    & skf21("5","5","4","4","4","3","1","1") = "4"
    & skf21("5","5","4","4","4","3","2","1") = "4"
    & skf21("5","5","4","4","4","3","3","1") = "4"
    & skf21("5","5","4","4","4","3","4","1") = "4"
    & skf21("5","5","4","4","4","3","5","1") = "4"
    & skf21("5","5","4","4","4","3","6","1") = "5"
    & skf21("5","5","4","4","4","3","7","1") = "6"
    & skf21("5","5","4","4","4","4","1","1") = "4"
    & skf21("5","5","4","4","4","4","2","1") = "4"
    & skf21("5","5","4","4","4","4","3","1") = "4"
    & skf21("5","5","4","4","4","4","4","1") = "4"
    & skf21("5","5","4","4","4","4","5","1") = "4"
    & skf21("5","5","4","4","4","4","6","1") = "5"
    & skf21("5","5","4","4","4","4","7","1") = "6"
    & skf21("5","5","4","4","4","5","1","1") = "4"
    & skf21("5","5","4","4","4","5","2","1") = "4"
    & skf21("5","5","4","4","4","5","3","1") = "4"
    & skf21("5","5","4","4","4","5","4","1") = "4"
    & skf21("5","5","4","4","4","5","5","1") = "4"
    & skf21("5","5","4","4","4","5","6","1") = "5"
    & skf21("5","5","4","4","4","5","7","1") = "6"
    & skf21("5","5","4","4","4","6","1","1") = "5"
    & skf21("5","5","4","4","4","6","2","1") = "5"
    & skf21("5","5","4","4","4","6","3","1") = "5"
    & skf21("5","5","4","4","4","6","4","1") = "5"
    & skf21("5","5","4","4","4","6","5","1") = "5"
    & skf21("5","5","4","4","4","6","6","1") = "5"
    & skf21("5","5","4","4","4","6","7","1") = "6"
    & skf21("5","5","4","4","4","7","1","1") = "6"
    & skf21("5","5","4","4","4","7","2","1") = "6"
    & skf21("5","5","4","4","4","7","3","1") = "6"
    & skf21("5","5","4","4","4","7","4","1") = "6"
    & skf21("5","5","4","4","4","7","5","1") = "6"
    & skf21("5","5","4","4","4","7","6","1") = "6"
    & skf21("5","5","4","4","4","7","7","1") = "6"
    & skf21("5","5","4","4","5","1","1","1") = "4"
    & skf21("5","5","4","4","5","1","2","1") = "4"
    & skf21("5","5","4","4","5","1","3","1") = "4"
    & skf21("5","5","4","4","5","1","4","1") = "4"
    & skf21("5","5","4","4","5","1","5","1") = "4"
    & skf21("5","5","4","4","5","1","6","1") = "5"
    & skf21("5","5","4","4","5","1","7","1") = "6"
    & skf21("5","5","4","4","5","2","1","1") = "4"
    & skf21("5","5","4","4","5","2","2","1") = "4"
    & skf21("5","5","4","4","5","2","3","1") = "4"
    & skf21("5","5","4","4","5","2","4","1") = "4"
    & skf21("5","5","4","4","5","2","5","1") = "4"
    & skf21("5","5","4","4","5","2","6","1") = "5"
    & skf21("5","5","4","4","5","2","7","1") = "6"
    & skf21("5","5","4","4","5","3","1","1") = "4"
    & skf21("5","5","4","4","5","3","2","1") = "4"
    & skf21("5","5","4","4","5","3","3","1") = "4"
    & skf21("5","5","4","4","5","3","4","1") = "4"
    & skf21("5","5","4","4","5","3","5","1") = "4"
    & skf21("5","5","4","4","5","3","6","1") = "5"
    & skf21("5","5","4","4","5","3","7","1") = "6"
    & skf21("5","5","4","4","5","4","1","1") = "4"
    & skf21("5","5","4","4","5","4","2","1") = "4"
    & skf21("5","5","4","4","5","4","3","1") = "4"
    & skf21("5","5","4","4","5","4","4","1") = "4"
    & skf21("5","5","4","4","5","4","5","1") = "4"
    & skf21("5","5","4","4","5","4","6","1") = "5"
    & skf21("5","5","4","4","5","4","7","1") = "6"
    & skf21("5","5","4","4","5","5","1","1") = "4"
    & skf21("5","5","4","4","5","5","2","1") = "4"
    & skf21("5","5","4","4","5","5","3","1") = "4"
    & skf21("5","5","4","4","5","5","4","1") = "4"
    & skf21("5","5","4","4","5","5","5","1") = "4"
    & skf21("5","5","4","4","5","5","6","1") = "5"
    & skf21("5","5","4","4","5","5","7","1") = "6"
    & skf21("5","5","4","4","5","6","1","1") = "5"
    & skf21("5","5","4","4","5","6","2","1") = "5"
    & skf21("5","5","4","4","5","6","3","1") = "5"
    & skf21("5","5","4","4","5","6","4","1") = "5"
    & skf21("5","5","4","4","5","6","5","1") = "5"
    & skf21("5","5","4","4","5","6","6","1") = "5"
    & skf21("5","5","4","4","5","6","7","1") = "6"
    & skf21("5","5","4","4","5","7","1","1") = "6"
    & skf21("5","5","4","4","5","7","2","1") = "6"
    & skf21("5","5","4","4","5","7","3","1") = "6"
    & skf21("5","5","4","4","5","7","4","1") = "6"
    & skf21("5","5","4","4","5","7","5","1") = "6"
    & skf21("5","5","4","4","5","7","6","1") = "6"
    & skf21("5","5","4","4","5","7","7","1") = "6"
    & skf21("5","5","4","4","6","1","1","1") = "5"
    & skf21("5","5","4","4","6","1","2","1") = "5"
    & skf21("5","5","4","4","6","1","3","1") = "5"
    & skf21("5","5","4","4","6","1","4","1") = "5"
    & skf21("5","5","4","4","6","1","5","1") = "5"
    & skf21("5","5","4","4","6","1","6","1") = "5"
    & skf21("5","5","4","4","6","1","7","1") = "6"
    & skf21("5","5","4","4","6","2","1","1") = "5"
    & skf21("5","5","4","4","6","2","2","1") = "5"
    & skf21("5","5","4","4","6","2","3","1") = "5"
    & skf21("5","5","4","4","6","2","4","1") = "5"
    & skf21("5","5","4","4","6","2","5","1") = "5"
    & skf21("5","5","4","4","6","2","6","1") = "5"
    & skf21("5","5","4","4","6","2","7","1") = "6"
    & skf21("5","5","4","4","6","3","1","1") = "5"
    & skf21("5","5","4","4","6","3","2","1") = "5"
    & skf21("5","5","4","4","6","3","3","1") = "5"
    & skf21("5","5","4","4","6","3","4","1") = "5"
    & skf21("5","5","4","4","6","3","5","1") = "5"
    & skf21("5","5","4","4","6","3","6","1") = "5"
    & skf21("5","5","4","4","6","3","7","1") = "6"
    & skf21("5","5","4","4","6","4","1","1") = "5"
    & skf21("5","5","4","4","6","4","2","1") = "5"
    & skf21("5","5","4","4","6","4","3","1") = "5"
    & skf21("5","5","4","4","6","4","4","1") = "5"
    & skf21("5","5","4","4","6","4","5","1") = "5"
    & skf21("5","5","4","4","6","4","6","1") = "5"
    & skf21("5","5","4","4","6","4","7","1") = "6"
    & skf21("5","5","4","4","6","5","1","1") = "5"
    & skf21("5","5","4","4","6","5","2","1") = "5"
    & skf21("5","5","4","4","6","5","3","1") = "5"
    & skf21("5","5","4","4","6","5","4","1") = "5"
    & skf21("5","5","4","4","6","5","5","1") = "5"
    & skf21("5","5","4","4","6","5","6","1") = "5"
    & skf21("5","5","4","4","6","5","7","1") = "6"
    & skf21("5","5","4","4","6","6","1","1") = "5"
    & skf21("5","5","4","4","6","6","2","1") = "5"
    & skf21("5","5","4","4","6","6","3","1") = "5"
    & skf21("5","5","4","4","6","6","4","1") = "5"
    & skf21("5","5","4","4","6","6","5","1") = "5"
    & skf21("5","5","4","4","6","6","6","1") = "5"
    & skf21("5","5","4","4","6","6","7","1") = "6"
    & skf21("5","5","4","4","6","7","1","1") = "6"
    & skf21("5","5","4","4","6","7","2","1") = "6"
    & skf21("5","5","4","4","6","7","3","1") = "6"
    & skf21("5","5","4","4","6","7","4","1") = "6"
    & skf21("5","5","4","4","6","7","5","1") = "6"
    & skf21("5","5","4","4","6","7","6","1") = "6"
    & skf21("5","5","4","4","6","7","7","1") = "6"
    & skf21("5","5","4","4","7","1","1","1") = "6"
    & skf21("5","5","4","4","7","1","2","1") = "6"
    & skf21("5","5","4","4","7","1","3","1") = "6"
    & skf21("5","5","4","4","7","1","4","1") = "6"
    & skf21("5","5","4","4","7","1","5","1") = "6"
    & skf21("5","5","4","4","7","1","6","1") = "6"
    & skf21("5","5","4","4","7","1","7","1") = "6"
    & skf21("5","5","4","4","7","2","1","1") = "6"
    & skf21("5","5","4","4","7","2","2","1") = "6"
    & skf21("5","5","4","4","7","2","3","1") = "6"
    & skf21("5","5","4","4","7","2","4","1") = "6"
    & skf21("5","5","4","4","7","2","5","1") = "6"
    & skf21("5","5","4","4","7","2","6","1") = "6"
    & skf21("5","5","4","4","7","2","7","1") = "6"
    & skf21("5","5","4","4","7","3","1","1") = "6"
    & skf21("5","5","4","4","7","3","2","1") = "6"
    & skf21("5","5","4","4","7","3","3","1") = "6"
    & skf21("5","5","4","4","7","3","4","1") = "6"
    & skf21("5","5","4","4","7","3","5","1") = "6"
    & skf21("5","5","4","4","7","3","6","1") = "6"
    & skf21("5","5","4","4","7","3","7","1") = "6"
    & skf21("5","5","4","4","7","4","1","1") = "6"
    & skf21("5","5","4","4","7","4","2","1") = "6"
    & skf21("5","5","4","4","7","4","3","1") = "6"
    & skf21("5","5","4","4","7","4","4","1") = "6"
    & skf21("5","5","4","4","7","4","5","1") = "6"
    & skf21("5","5","4","4","7","4","6","1") = "6"
    & skf21("5","5","4","4","7","4","7","1") = "6"
    & skf21("5","5","4","4","7","5","1","1") = "6"
    & skf21("5","5","4","4","7","5","2","1") = "6"
    & skf21("5","5","4","4","7","5","3","1") = "6"
    & skf21("5","5","4","4","7","5","4","1") = "6"
    & skf21("5","5","4","4","7","5","5","1") = "6"
    & skf21("5","5","4","4","7","5","6","1") = "6"
    & skf21("5","5","4","4","7","5","7","1") = "6"
    & skf21("5","5","4","4","7","6","1","1") = "6"
    & skf21("5","5","4","4","7","6","2","1") = "6"
    & skf21("5","5","4","4","7","6","3","1") = "6"
    & skf21("5","5","4","4","7","6","4","1") = "6"
    & skf21("5","5","4","4","7","6","5","1") = "6"
    & skf21("5","5","4","4","7","6","6","1") = "6"
    & skf21("5","5","4","4","7","6","7","1") = "6"
    & skf21("5","5","4","4","7","7","1","1") = "6"
    & skf21("5","5","4","4","7","7","2","1") = "6"
    & skf21("5","5","4","4","7","7","3","1") = "6"
    & skf21("5","5","4","4","7","7","4","1") = "6"
    & skf21("5","5","4","4","7","7","5","1") = "6"
    & skf21("5","5","4","4","7","7","6","1") = "6"
    & skf21("5","5","4","4","7","7","7","1") = "6"
    & skf21("5","5","4","5","1","1","1","1") = "4"
    & skf21("5","5","4","5","1","1","2","1") = "4"
    & skf21("5","5","4","5","1","1","3","1") = "4"
    & skf21("5","5","4","5","1","1","4","1") = "4"
    & skf21("5","5","4","5","1","1","5","1") = "4"
    & skf21("5","5","4","5","1","1","6","1") = "5"
    & skf21("5","5","4","5","1","1","7","1") = "6"
    & skf21("5","5","4","5","1","2","1","1") = "4"
    & skf21("5","5","4","5","1","2","2","1") = "4"
    & skf21("5","5","4","5","1","2","3","1") = "4"
    & skf21("5","5","4","5","1","2","4","1") = "4"
    & skf21("5","5","4","5","1","2","5","1") = "4"
    & skf21("5","5","4","5","1","2","6","1") = "5"
    & skf21("5","5","4","5","1","2","7","1") = "6"
    & skf21("5","5","4","5","1","3","1","1") = "4"
    & skf21("5","5","4","5","1","3","2","1") = "4"
    & skf21("5","5","4","5","1","3","3","1") = "4"
    & skf21("5","5","4","5","1","3","4","1") = "4"
    & skf21("5","5","4","5","1","3","5","1") = "4"
    & skf21("5","5","4","5","1","3","6","1") = "5"
    & skf21("5","5","4","5","1","3","7","1") = "6"
    & skf21("5","5","4","5","1","4","1","1") = "4"
    & skf21("5","5","4","5","1","4","2","1") = "4"
    & skf21("5","5","4","5","1","4","3","1") = "4"
    & skf21("5","5","4","5","1","4","4","1") = "4"
    & skf21("5","5","4","5","1","4","5","1") = "4"
    & skf21("5","5","4","5","1","4","6","1") = "5"
    & skf21("5","5","4","5","1","4","7","1") = "6"
    & skf21("5","5","4","5","1","5","1","1") = "4"
    & skf21("5","5","4","5","1","5","2","1") = "4"
    & skf21("5","5","4","5","1","5","3","1") = "4"
    & skf21("5","5","4","5","1","5","4","1") = "4"
    & skf21("5","5","4","5","1","5","5","1") = "4"
    & skf21("5","5","4","5","1","5","6","1") = "5"
    & skf21("5","5","4","5","1","5","7","1") = "6"
    & skf21("5","5","4","5","1","6","1","1") = "5"
    & skf21("5","5","4","5","1","6","2","1") = "5"
    & skf21("5","5","4","5","1","6","3","1") = "5"
    & skf21("5","5","4","5","1","6","4","1") = "5"
    & skf21("5","5","4","5","1","6","5","1") = "5"
    & skf21("5","5","4","5","1","6","6","1") = "5"
    & skf21("5","5","4","5","1","6","7","1") = "6"
    & skf21("5","5","4","5","1","7","1","1") = "6"
    & skf21("5","5","4","5","1","7","2","1") = "6"
    & skf21("5","5","4","5","1","7","3","1") = "6"
    & skf21("5","5","4","5","1","7","4","1") = "6"
    & skf21("5","5","4","5","1","7","5","1") = "6"
    & skf21("5","5","4","5","1","7","6","1") = "6"
    & skf21("5","5","4","5","1","7","7","1") = "6"
    & skf21("5","5","4","5","2","1","1","1") = "4"
    & skf21("5","5","4","5","2","1","2","1") = "4"
    & skf21("5","5","4","5","2","1","3","1") = "4"
    & skf21("5","5","4","5","2","1","4","1") = "4"
    & skf21("5","5","4","5","2","1","5","1") = "4"
    & skf21("5","5","4","5","2","1","6","1") = "5"
    & skf21("5","5","4","5","2","1","7","1") = "6"
    & skf21("5","5","4","5","2","2","1","1") = "4"
    & skf21("5","5","4","5","2","2","2","1") = "4"
    & skf21("5","5","4","5","2","2","3","1") = "4"
    & skf21("5","5","4","5","2","2","4","1") = "4"
    & skf21("5","5","4","5","2","2","5","1") = "4"
    & skf21("5","5","4","5","2","2","6","1") = "5"
    & skf21("5","5","4","5","2","2","7","1") = "6"
    & skf21("5","5","4","5","2","3","1","1") = "4"
    & skf21("5","5","4","5","2","3","2","1") = "4"
    & skf21("5","5","4","5","2","3","3","1") = "4"
    & skf21("5","5","4","5","2","3","4","1") = "4"
    & skf21("5","5","4","5","2","3","5","1") = "4"
    & skf21("5","5","4","5","2","3","6","1") = "5"
    & skf21("5","5","4","5","2","3","7","1") = "6"
    & skf21("5","5","4","5","2","4","1","1") = "4"
    & skf21("5","5","4","5","2","4","2","1") = "4"
    & skf21("5","5","4","5","2","4","3","1") = "4"
    & skf21("5","5","4","5","2","4","4","1") = "4"
    & skf21("5","5","4","5","2","4","5","1") = "4"
    & skf21("5","5","4","5","2","4","6","1") = "5"
    & skf21("5","5","4","5","2","4","7","1") = "6"
    & skf21("5","5","4","5","2","5","1","1") = "4"
    & skf21("5","5","4","5","2","5","2","1") = "4"
    & skf21("5","5","4","5","2","5","3","1") = "4"
    & skf21("5","5","4","5","2","5","4","1") = "4"
    & skf21("5","5","4","5","2","5","5","1") = "4"
    & skf21("5","5","4","5","2","5","6","1") = "5"
    & skf21("5","5","4","5","2","5","7","1") = "6"
    & skf21("5","5","4","5","2","6","1","1") = "5"
    & skf21("5","5","4","5","2","6","2","1") = "5"
    & skf21("5","5","4","5","2","6","3","1") = "5"
    & skf21("5","5","4","5","2","6","4","1") = "5"
    & skf21("5","5","4","5","2","6","5","1") = "5"
    & skf21("5","5","4","5","2","6","6","1") = "5"
    & skf21("5","5","4","5","2","6","7","1") = "6"
    & skf21("5","5","4","5","2","7","1","1") = "6"
    & skf21("5","5","4","5","2","7","2","1") = "6"
    & skf21("5","5","4","5","2","7","3","1") = "6"
    & skf21("5","5","4","5","2","7","4","1") = "6"
    & skf21("5","5","4","5","2","7","5","1") = "6"
    & skf21("5","5","4","5","2","7","6","1") = "6"
    & skf21("5","5","4","5","2","7","7","1") = "6"
    & skf21("5","5","4","5","3","1","1","1") = "4"
    & skf21("5","5","4","5","3","1","2","1") = "4"
    & skf21("5","5","4","5","3","1","3","1") = "4"
    & skf21("5","5","4","5","3","1","4","1") = "4"
    & skf21("5","5","4","5","3","1","5","1") = "4"
    & skf21("5","5","4","5","3","1","6","1") = "5"
    & skf21("5","5","4","5","3","1","7","1") = "6"
    & skf21("5","5","4","5","3","2","1","1") = "4"
    & skf21("5","5","4","5","3","2","2","1") = "4"
    & skf21("5","5","4","5","3","2","3","1") = "4"
    & skf21("5","5","4","5","3","2","4","1") = "4"
    & skf21("5","5","4","5","3","2","5","1") = "4"
    & skf21("5","5","4","5","3","2","6","1") = "5"
    & skf21("5","5","4","5","3","2","7","1") = "6"
    & skf21("5","5","4","5","3","3","1","1") = "4"
    & skf21("5","5","4","5","3","3","2","1") = "4"
    & skf21("5","5","4","5","3","3","3","1") = "4"
    & skf21("5","5","4","5","3","3","4","1") = "4"
    & skf21("5","5","4","5","3","3","5","1") = "4"
    & skf21("5","5","4","5","3","3","6","1") = "5"
    & skf21("5","5","4","5","3","3","7","1") = "6"
    & skf21("5","5","4","5","3","4","1","1") = "4"
    & skf21("5","5","4","5","3","4","2","1") = "4"
    & skf21("5","5","4","5","3","4","3","1") = "4"
    & skf21("5","5","4","5","3","4","4","1") = "4"
    & skf21("5","5","4","5","3","4","5","1") = "4"
    & skf21("5","5","4","5","3","4","6","1") = "5"
    & skf21("5","5","4","5","3","4","7","1") = "6"
    & skf21("5","5","4","5","3","5","1","1") = "4"
    & skf21("5","5","4","5","3","5","2","1") = "4"
    & skf21("5","5","4","5","3","5","3","1") = "4"
    & skf21("5","5","4","5","3","5","4","1") = "4"
    & skf21("5","5","4","5","3","5","5","1") = "4"
    & skf21("5","5","4","5","3","5","6","1") = "5"
    & skf21("5","5","4","5","3","5","7","1") = "6"
    & skf21("5","5","4","5","3","6","1","1") = "5"
    & skf21("5","5","4","5","3","6","2","1") = "5"
    & skf21("5","5","4","5","3","6","3","1") = "5"
    & skf21("5","5","4","5","3","6","4","1") = "5"
    & skf21("5","5","4","5","3","6","5","1") = "5"
    & skf21("5","5","4","5","3","6","6","1") = "5"
    & skf21("5","5","4","5","3","6","7","1") = "6"
    & skf21("5","5","4","5","3","7","1","1") = "6"
    & skf21("5","5","4","5","3","7","2","1") = "6"
    & skf21("5","5","4","5","3","7","3","1") = "6"
    & skf21("5","5","4","5","3","7","4","1") = "6"
    & skf21("5","5","4","5","3","7","5","1") = "6"
    & skf21("5","5","4","5","3","7","6","1") = "6"
    & skf21("5","5","4","5","3","7","7","1") = "6"
    & skf21("5","5","4","5","4","1","1","1") = "4"
    & skf21("5","5","4","5","4","1","2","1") = "4"
    & skf21("5","5","4","5","4","1","3","1") = "4"
    & skf21("5","5","4","5","4","1","4","1") = "4"
    & skf21("5","5","4","5","4","1","5","1") = "4"
    & skf21("5","5","4","5","4","1","6","1") = "5"
    & skf21("5","5","4","5","4","1","7","1") = "6"
    & skf21("5","5","4","5","4","2","1","1") = "4"
    & skf21("5","5","4","5","4","2","2","1") = "4"
    & skf21("5","5","4","5","4","2","3","1") = "4"
    & skf21("5","5","4","5","4","2","4","1") = "4"
    & skf21("5","5","4","5","4","2","5","1") = "4"
    & skf21("5","5","4","5","4","2","6","1") = "5"
    & skf21("5","5","4","5","4","2","7","1") = "6"
    & skf21("5","5","4","5","4","3","1","1") = "4"
    & skf21("5","5","4","5","4","3","2","1") = "4"
    & skf21("5","5","4","5","4","3","3","1") = "4"
    & skf21("5","5","4","5","4","3","4","1") = "4"
    & skf21("5","5","4","5","4","3","5","1") = "4"
    & skf21("5","5","4","5","4","3","6","1") = "5"
    & skf21("5","5","4","5","4","3","7","1") = "6"
    & skf21("5","5","4","5","4","4","1","1") = "4"
    & skf21("5","5","4","5","4","4","2","1") = "4"
    & skf21("5","5","4","5","4","4","3","1") = "4"
    & skf21("5","5","4","5","4","4","4","1") = "4"
    & skf21("5","5","4","5","4","4","5","1") = "4"
    & skf21("5","5","4","5","4","4","6","1") = "5"
    & skf21("5","5","4","5","4","4","7","1") = "6"
    & skf21("5","5","4","5","4","5","1","1") = "4"
    & skf21("5","5","4","5","4","5","2","1") = "4"
    & skf21("5","5","4","5","4","5","3","1") = "4"
    & skf21("5","5","4","5","4","5","4","1") = "4"
    & skf21("5","5","4","5","4","5","5","1") = "4"
    & skf21("5","5","4","5","4","5","6","1") = "5"
    & skf21("5","5","4","5","4","5","7","1") = "6"
    & skf21("5","5","4","5","4","6","1","1") = "5"
    & skf21("5","5","4","5","4","6","2","1") = "5"
    & skf21("5","5","4","5","4","6","3","1") = "5"
    & skf21("5","5","4","5","4","6","4","1") = "5"
    & skf21("5","5","4","5","4","6","5","1") = "5"
    & skf21("5","5","4","5","4","6","6","1") = "5"
    & skf21("5","5","4","5","4","6","7","1") = "6"
    & skf21("5","5","4","5","4","7","1","1") = "6"
    & skf21("5","5","4","5","4","7","2","1") = "6"
    & skf21("5","5","4","5","4","7","3","1") = "6"
    & skf21("5","5","4","5","4","7","4","1") = "6"
    & skf21("5","5","4","5","4","7","5","1") = "6"
    & skf21("5","5","4","5","4","7","6","1") = "6"
    & skf21("5","5","4","5","4","7","7","1") = "6"
    & skf21("5","5","4","5","5","1","1","1") = "4"
    & skf21("5","5","4","5","5","1","2","1") = "4"
    & skf21("5","5","4","5","5","1","3","1") = "4"
    & skf21("5","5","4","5","5","1","4","1") = "4"
    & skf21("5","5","4","5","5","1","5","1") = "4"
    & skf21("5","5","4","5","5","1","6","1") = "5"
    & skf21("5","5","4","5","5","1","7","1") = "6"
    & skf21("5","5","4","5","5","2","1","1") = "4"
    & skf21("5","5","4","5","5","2","2","1") = "4"
    & skf21("5","5","4","5","5","2","3","1") = "4"
    & skf21("5","5","4","5","5","2","4","1") = "4"
    & skf21("5","5","4","5","5","2","5","1") = "4"
    & skf21("5","5","4","5","5","2","6","1") = "5"
    & skf21("5","5","4","5","5","2","7","1") = "6"
    & skf21("5","5","4","5","5","3","1","1") = "4"
    & skf21("5","5","4","5","5","3","2","1") = "4"
    & skf21("5","5","4","5","5","3","3","1") = "4"
    & skf21("5","5","4","5","5","3","4","1") = "4"
    & skf21("5","5","4","5","5","3","5","1") = "4"
    & skf21("5","5","4","5","5","3","6","1") = "5"
    & skf21("5","5","4","5","5","3","7","1") = "6"
    & skf21("5","5","4","5","5","4","1","1") = "4"
    & skf21("5","5","4","5","5","4","2","1") = "4"
    & skf21("5","5","4","5","5","4","3","1") = "4"
    & skf21("5","5","4","5","5","4","4","1") = "4"
    & skf21("5","5","4","5","5","4","5","1") = "4"
    & skf21("5","5","4","5","5","4","6","1") = "5"
    & skf21("5","5","4","5","5","4","7","1") = "6"
    & skf21("5","5","4","5","5","5","1","1") = "4"
    & skf21("5","5","4","5","5","5","2","1") = "4"
    & skf21("5","5","4","5","5","5","3","1") = "4"
    & skf21("5","5","4","5","5","5","4","1") = "4"
    & skf21("5","5","4","5","5","5","5","1") = "4"
    & skf21("5","5","4","5","5","5","6","1") = "5"
    & skf21("5","5","4","5","5","5","7","1") = "6"
    & skf21("5","5","4","5","5","6","1","1") = "5"
    & skf21("5","5","4","5","5","6","2","1") = "5"
    & skf21("5","5","4","5","5","6","3","1") = "5"
    & skf21("5","5","4","5","5","6","4","1") = "5"
    & skf21("5","5","4","5","5","6","5","1") = "5"
    & skf21("5","5","4","5","5","6","6","1") = "5"
    & skf21("5","5","4","5","5","6","7","1") = "6"
    & skf21("5","5","4","5","5","7","1","1") = "6"
    & skf21("5","5","4","5","5","7","2","1") = "6"
    & skf21("5","5","4","5","5","7","3","1") = "6"
    & skf21("5","5","4","5","5","7","4","1") = "6"
    & skf21("5","5","4","5","5","7","5","1") = "6"
    & skf21("5","5","4","5","5","7","6","1") = "6"
    & skf21("5","5","4","5","5","7","7","1") = "6"
    & skf21("5","5","4","5","6","1","1","1") = "5"
    & skf21("5","5","4","5","6","1","2","1") = "5"
    & skf21("5","5","4","5","6","1","3","1") = "5"
    & skf21("5","5","4","5","6","1","4","1") = "5"
    & skf21("5","5","4","5","6","1","5","1") = "5"
    & skf21("5","5","4","5","6","1","6","1") = "5"
    & skf21("5","5","4","5","6","1","7","1") = "6"
    & skf21("5","5","4","5","6","2","1","1") = "5"
    & skf21("5","5","4","5","6","2","2","1") = "5"
    & skf21("5","5","4","5","6","2","3","1") = "5"
    & skf21("5","5","4","5","6","2","4","1") = "5"
    & skf21("5","5","4","5","6","2","5","1") = "5"
    & skf21("5","5","4","5","6","2","6","1") = "5"
    & skf21("5","5","4","5","6","2","7","1") = "6"
    & skf21("5","5","4","5","6","3","1","1") = "5"
    & skf21("5","5","4","5","6","3","2","1") = "5"
    & skf21("5","5","4","5","6","3","3","1") = "5"
    & skf21("5","5","4","5","6","3","4","1") = "5"
    & skf21("5","5","4","5","6","3","5","1") = "5"
    & skf21("5","5","4","5","6","3","6","1") = "5"
    & skf21("5","5","4","5","6","3","7","1") = "6"
    & skf21("5","5","4","5","6","4","1","1") = "5"
    & skf21("5","5","4","5","6","4","2","1") = "5"
    & skf21("5","5","4","5","6","4","3","1") = "5"
    & skf21("5","5","4","5","6","4","4","1") = "5"
    & skf21("5","5","4","5","6","4","5","1") = "5"
    & skf21("5","5","4","5","6","4","6","1") = "5"
    & skf21("5","5","4","5","6","4","7","1") = "6"
    & skf21("5","5","4","5","6","5","1","1") = "5"
    & skf21("5","5","4","5","6","5","2","1") = "5"
    & skf21("5","5","4","5","6","5","3","1") = "5"
    & skf21("5","5","4","5","6","5","4","1") = "5"
    & skf21("5","5","4","5","6","5","5","1") = "5"
    & skf21("5","5","4","5","6","5","6","1") = "5"
    & skf21("5","5","4","5","6","5","7","1") = "6"
    & skf21("5","5","4","5","6","6","1","1") = "5"
    & skf21("5","5","4","5","6","6","2","1") = "5"
    & skf21("5","5","4","5","6","6","3","1") = "5"
    & skf21("5","5","4","5","6","6","4","1") = "5"
    & skf21("5","5","4","5","6","6","5","1") = "5"
    & skf21("5","5","4","5","6","6","6","1") = "5"
    & skf21("5","5","4","5","6","6","7","1") = "6"
    & skf21("5","5","4","5","6","7","1","1") = "6"
    & skf21("5","5","4","5","6","7","2","1") = "6"
    & skf21("5","5","4","5","6","7","3","1") = "6"
    & skf21("5","5","4","5","6","7","4","1") = "6"
    & skf21("5","5","4","5","6","7","5","1") = "6"
    & skf21("5","5","4","5","6","7","6","1") = "6"
    & skf21("5","5","4","5","6","7","7","1") = "6"
    & skf21("5","5","4","5","7","1","1","1") = "6"
    & skf21("5","5","4","5","7","1","2","1") = "6"
    & skf21("5","5","4","5","7","1","3","1") = "6"
    & skf21("5","5","4","5","7","1","4","1") = "6"
    & skf21("5","5","4","5","7","1","5","1") = "6"
    & skf21("5","5","4","5","7","1","6","1") = "6"
    & skf21("5","5","4","5","7","1","7","1") = "6"
    & skf21("5","5","4","5","7","2","1","1") = "6"
    & skf21("5","5","4","5","7","2","2","1") = "6"
    & skf21("5","5","4","5","7","2","3","1") = "6"
    & skf21("5","5","4","5","7","2","4","1") = "6"
    & skf21("5","5","4","5","7","2","5","1") = "6"
    & skf21("5","5","4","5","7","2","6","1") = "6"
    & skf21("5","5","4","5","7","2","7","1") = "6"
    & skf21("5","5","4","5","7","3","1","1") = "6"
    & skf21("5","5","4","5","7","3","2","1") = "6"
    & skf21("5","5","4","5","7","3","3","1") = "6"
    & skf21("5","5","4","5","7","3","4","1") = "6"
    & skf21("5","5","4","5","7","3","5","1") = "6"
    & skf21("5","5","4","5","7","3","6","1") = "6"
    & skf21("5","5","4","5","7","3","7","1") = "6"
    & skf21("5","5","4","5","7","4","1","1") = "6"
    & skf21("5","5","4","5","7","4","2","1") = "6"
    & skf21("5","5","4","5","7","4","3","1") = "6"
    & skf21("5","5","4","5","7","4","4","1") = "6"
    & skf21("5","5","4","5","7","4","5","1") = "6"
    & skf21("5","5","4","5","7","4","6","1") = "6"
    & skf21("5","5","4","5","7","4","7","1") = "6"
    & skf21("5","5","4","5","7","5","1","1") = "6"
    & skf21("5","5","4","5","7","5","2","1") = "6"
    & skf21("5","5","4","5","7","5","3","1") = "6"
    & skf21("5","5","4","5","7","5","4","1") = "6"
    & skf21("5","5","4","5","7","5","5","1") = "6"
    & skf21("5","5","4","5","7","5","6","1") = "6"
    & skf21("5","5","4","5","7","5","7","1") = "6"
    & skf21("5","5","4","5","7","6","1","1") = "6"
    & skf21("5","5","4","5","7","6","2","1") = "6"
    & skf21("5","5","4","5","7","6","3","1") = "6"
    & skf21("5","5","4","5","7","6","4","1") = "6"
    & skf21("5","5","4","5","7","6","5","1") = "6"
    & skf21("5","5","4","5","7","6","6","1") = "6"
    & skf21("5","5","4","5","7","6","7","1") = "6"
    & skf21("5","5","4","5","7","7","1","1") = "6"
    & skf21("5","5","4","5","7","7","2","1") = "6"
    & skf21("5","5","4","5","7","7","3","1") = "6"
    & skf21("5","5","4","5","7","7","4","1") = "6"
    & skf21("5","5","4","5","7","7","5","1") = "6"
    & skf21("5","5","4","5","7","7","6","1") = "6"
    & skf21("5","5","4","5","7","7","7","1") = "6"
    & skf21("5","5","4","6","1","1","1","1") = "5"
    & skf21("5","5","4","6","1","1","2","1") = "5"
    & skf21("5","5","4","6","1","1","3","1") = "5"
    & skf21("5","5","4","6","1","1","4","1") = "5"
    & skf21("5","5","4","6","1","1","5","1") = "5"
    & skf21("5","5","4","6","1","1","6","1") = "5"
    & skf21("5","5","4","6","1","1","7","1") = "6"
    & skf21("5","5","4","6","1","2","1","1") = "5"
    & skf21("5","5","4","6","1","2","2","1") = "5"
    & skf21("5","5","4","6","1","2","3","1") = "5"
    & skf21("5","5","4","6","1","2","4","1") = "5"
    & skf21("5","5","4","6","1","2","5","1") = "5"
    & skf21("5","5","4","6","1","2","6","1") = "5"
    & skf21("5","5","4","6","1","2","7","1") = "6"
    & skf21("5","5","4","6","1","3","1","1") = "5"
    & skf21("5","5","4","6","1","3","2","1") = "5"
    & skf21("5","5","4","6","1","3","3","1") = "5"
    & skf21("5","5","4","6","1","3","4","1") = "5"
    & skf21("5","5","4","6","1","3","5","1") = "5"
    & skf21("5","5","4","6","1","3","6","1") = "5"
    & skf21("5","5","4","6","1","3","7","1") = "6"
    & skf21("5","5","4","6","1","4","1","1") = "5"
    & skf21("5","5","4","6","1","4","2","1") = "5"
    & skf21("5","5","4","6","1","4","3","1") = "5"
    & skf21("5","5","4","6","1","4","4","1") = "5"
    & skf21("5","5","4","6","1","4","5","1") = "5"
    & skf21("5","5","4","6","1","4","6","1") = "5"
    & skf21("5","5","4","6","1","4","7","1") = "6"
    & skf21("5","5","4","6","1","5","1","1") = "5"
    & skf21("5","5","4","6","1","5","2","1") = "5"
    & skf21("5","5","4","6","1","5","3","1") = "5"
    & skf21("5","5","4","6","1","5","4","1") = "5"
    & skf21("5","5","4","6","1","5","5","1") = "5"
    & skf21("5","5","4","6","1","5","6","1") = "5"
    & skf21("5","5","4","6","1","5","7","1") = "6"
    & skf21("5","5","4","6","1","6","1","1") = "5"
    & skf21("5","5","4","6","1","6","2","1") = "5"
    & skf21("5","5","4","6","1","6","3","1") = "5"
    & skf21("5","5","4","6","1","6","4","1") = "5"
    & skf21("5","5","4","6","1","6","5","1") = "5"
    & skf21("5","5","4","6","1","6","6","1") = "5"
    & skf21("5","5","4","6","1","6","7","1") = "6"
    & skf21("5","5","4","6","1","7","1","1") = "6"
    & skf21("5","5","4","6","1","7","2","1") = "6"
    & skf21("5","5","4","6","1","7","3","1") = "6"
    & skf21("5","5","4","6","1","7","4","1") = "6"
    & skf21("5","5","4","6","1","7","5","1") = "6"
    & skf21("5","5","4","6","1","7","6","1") = "6"
    & skf21("5","5","4","6","1","7","7","1") = "6"
    & skf21("5","5","4","6","2","1","1","1") = "5"
    & skf21("5","5","4","6","2","1","2","1") = "5"
    & skf21("5","5","4","6","2","1","3","1") = "5"
    & skf21("5","5","4","6","2","1","4","1") = "5"
    & skf21("5","5","4","6","2","1","5","1") = "5"
    & skf21("5","5","4","6","2","1","6","1") = "5"
    & skf21("5","5","4","6","2","1","7","1") = "6"
    & skf21("5","5","4","6","2","2","1","1") = "5"
    & skf21("5","5","4","6","2","2","2","1") = "5"
    & skf21("5","5","4","6","2","2","3","1") = "5"
    & skf21("5","5","4","6","2","2","4","1") = "5"
    & skf21("5","5","4","6","2","2","5","1") = "5"
    & skf21("5","5","4","6","2","2","6","1") = "5"
    & skf21("5","5","4","6","2","2","7","1") = "6"
    & skf21("5","5","4","6","2","3","1","1") = "5"
    & skf21("5","5","4","6","2","3","2","1") = "5"
    & skf21("5","5","4","6","2","3","3","1") = "5"
    & skf21("5","5","4","6","2","3","4","1") = "5"
    & skf21("5","5","4","6","2","3","5","1") = "5"
    & skf21("5","5","4","6","2","3","6","1") = "5"
    & skf21("5","5","4","6","2","3","7","1") = "6"
    & skf21("5","5","4","6","2","4","1","1") = "5"
    & skf21("5","5","4","6","2","4","2","1") = "5"
    & skf21("5","5","4","6","2","4","3","1") = "5"
    & skf21("5","5","4","6","2","4","4","1") = "5"
    & skf21("5","5","4","6","2","4","5","1") = "5"
    & skf21("5","5","4","6","2","4","6","1") = "5"
    & skf21("5","5","4","6","2","4","7","1") = "6"
    & skf21("5","5","4","6","2","5","1","1") = "5"
    & skf21("5","5","4","6","2","5","2","1") = "5"
    & skf21("5","5","4","6","2","5","3","1") = "5"
    & skf21("5","5","4","6","2","5","4","1") = "5"
    & skf21("5","5","4","6","2","5","5","1") = "5"
    & skf21("5","5","4","6","2","5","6","1") = "5"
    & skf21("5","5","4","6","2","5","7","1") = "6"
    & skf21("5","5","4","6","2","6","1","1") = "5"
    & skf21("5","5","4","6","2","6","2","1") = "5"
    & skf21("5","5","4","6","2","6","3","1") = "5"
    & skf21("5","5","4","6","2","6","4","1") = "5"
    & skf21("5","5","4","6","2","6","5","1") = "5"
    & skf21("5","5","4","6","2","6","6","1") = "5"
    & skf21("5","5","4","6","2","6","7","1") = "6"
    & skf21("5","5","4","6","2","7","1","1") = "6"
    & skf21("5","5","4","6","2","7","2","1") = "6"
    & skf21("5","5","4","6","2","7","3","1") = "6"
    & skf21("5","5","4","6","2","7","4","1") = "6"
    & skf21("5","5","4","6","2","7","5","1") = "6"
    & skf21("5","5","4","6","2","7","6","1") = "6"
    & skf21("5","5","4","6","2","7","7","1") = "6"
    & skf21("5","5","4","6","3","1","1","1") = "5"
    & skf21("5","5","4","6","3","1","2","1") = "5"
    & skf21("5","5","4","6","3","1","3","1") = "5"
    & skf21("5","5","4","6","3","1","4","1") = "5"
    & skf21("5","5","4","6","3","1","5","1") = "5"
    & skf21("5","5","4","6","3","1","6","1") = "5"
    & skf21("5","5","4","6","3","1","7","1") = "6"
    & skf21("5","5","4","6","3","2","1","1") = "5"
    & skf21("5","5","4","6","3","2","2","1") = "5"
    & skf21("5","5","4","6","3","2","3","1") = "5"
    & skf21("5","5","4","6","3","2","4","1") = "5"
    & skf21("5","5","4","6","3","2","5","1") = "5"
    & skf21("5","5","4","6","3","2","6","1") = "5"
    & skf21("5","5","4","6","3","2","7","1") = "6"
    & skf21("5","5","4","6","3","3","1","1") = "5"
    & skf21("5","5","4","6","3","3","2","1") = "5"
    & skf21("5","5","4","6","3","3","3","1") = "5"
    & skf21("5","5","4","6","3","3","4","1") = "5"
    & skf21("5","5","4","6","3","3","5","1") = "5"
    & skf21("5","5","4","6","3","3","6","1") = "5"
    & skf21("5","5","4","6","3","3","7","1") = "6"
    & skf21("5","5","4","6","3","4","1","1") = "5"
    & skf21("5","5","4","6","3","4","2","1") = "5"
    & skf21("5","5","4","6","3","4","3","1") = "5"
    & skf21("5","5","4","6","3","4","4","1") = "5"
    & skf21("5","5","4","6","3","4","5","1") = "5"
    & skf21("5","5","4","6","3","4","6","1") = "5"
    & skf21("5","5","4","6","3","4","7","1") = "6"
    & skf21("5","5","4","6","3","5","1","1") = "5"
    & skf21("5","5","4","6","3","5","2","1") = "5"
    & skf21("5","5","4","6","3","5","3","1") = "5"
    & skf21("5","5","4","6","3","5","4","1") = "5"
    & skf21("5","5","4","6","3","5","5","1") = "5"
    & skf21("5","5","4","6","3","5","6","1") = "5"
    & skf21("5","5","4","6","3","5","7","1") = "6"
    & skf21("5","5","4","6","3","6","1","1") = "5"
    & skf21("5","5","4","6","3","6","2","1") = "5"
    & skf21("5","5","4","6","3","6","3","1") = "5"
    & skf21("5","5","4","6","3","6","4","1") = "5"
    & skf21("5","5","4","6","3","6","5","1") = "5"
    & skf21("5","5","4","6","3","6","6","1") = "5"
    & skf21("5","5","4","6","3","6","7","1") = "6"
    & skf21("5","5","4","6","3","7","1","1") = "6"
    & skf21("5","5","4","6","3","7","2","1") = "6"
    & skf21("5","5","4","6","3","7","3","1") = "6"
    & skf21("5","5","4","6","3","7","4","1") = "6"
    & skf21("5","5","4","6","3","7","5","1") = "6"
    & skf21("5","5","4","6","3","7","6","1") = "6"
    & skf21("5","5","4","6","3","7","7","1") = "6"
    & skf21("5","5","4","6","4","1","1","1") = "5"
    & skf21("5","5","4","6","4","1","2","1") = "5"
    & skf21("5","5","4","6","4","1","3","1") = "5"
    & skf21("5","5","4","6","4","1","4","1") = "5"
    & skf21("5","5","4","6","4","1","5","1") = "5"
    & skf21("5","5","4","6","4","1","6","1") = "5"
    & skf21("5","5","4","6","4","1","7","1") = "6"
    & skf21("5","5","4","6","4","2","1","1") = "5"
    & skf21("5","5","4","6","4","2","2","1") = "5"
    & skf21("5","5","4","6","4","2","3","1") = "5"
    & skf21("5","5","4","6","4","2","4","1") = "5"
    & skf21("5","5","4","6","4","2","5","1") = "5"
    & skf21("5","5","4","6","4","2","6","1") = "5"
    & skf21("5","5","4","6","4","2","7","1") = "6"
    & skf21("5","5","4","6","4","3","1","1") = "5"
    & skf21("5","5","4","6","4","3","2","1") = "5"
    & skf21("5","5","4","6","4","3","3","1") = "5"
    & skf21("5","5","4","6","4","3","4","1") = "5"
    & skf21("5","5","4","6","4","3","5","1") = "5"
    & skf21("5","5","4","6","4","3","6","1") = "5"
    & skf21("5","5","4","6","4","3","7","1") = "6"
    & skf21("5","5","4","6","4","4","1","1") = "5"
    & skf21("5","5","4","6","4","4","2","1") = "5"
    & skf21("5","5","4","6","4","4","3","1") = "5"
    & skf21("5","5","4","6","4","4","4","1") = "5"
    & skf21("5","5","4","6","4","4","5","1") = "5"
    & skf21("5","5","4","6","4","4","6","1") = "5"
    & skf21("5","5","4","6","4","4","7","1") = "6"
    & skf21("5","5","4","6","4","5","1","1") = "5"
    & skf21("5","5","4","6","4","5","2","1") = "5"
    & skf21("5","5","4","6","4","5","3","1") = "5"
    & skf21("5","5","4","6","4","5","4","1") = "5"
    & skf21("5","5","4","6","4","5","5","1") = "5"
    & skf21("5","5","4","6","4","5","6","1") = "5"
    & skf21("5","5","4","6","4","5","7","1") = "6"
    & skf21("5","5","4","6","4","6","1","1") = "5"
    & skf21("5","5","4","6","4","6","2","1") = "5"
    & skf21("5","5","4","6","4","6","3","1") = "5"
    & skf21("5","5","4","6","4","6","4","1") = "5"
    & skf21("5","5","4","6","4","6","5","1") = "5"
    & skf21("5","5","4","6","4","6","6","1") = "5"
    & skf21("5","5","4","6","4","6","7","1") = "6"
    & skf21("5","5","4","6","4","7","1","1") = "6"
    & skf21("5","5","4","6","4","7","2","1") = "6"
    & skf21("5","5","4","6","4","7","3","1") = "6"
    & skf21("5","5","4","6","4","7","4","1") = "6"
    & skf21("5","5","4","6","4","7","5","1") = "6"
    & skf21("5","5","4","6","4","7","6","1") = "6"
    & skf21("5","5","4","6","4","7","7","1") = "6"
    & skf21("5","5","4","6","5","1","1","1") = "5"
    & skf21("5","5","4","6","5","1","2","1") = "5"
    & skf21("5","5","4","6","5","1","3","1") = "5"
    & skf21("5","5","4","6","5","1","4","1") = "5"
    & skf21("5","5","4","6","5","1","5","1") = "5"
    & skf21("5","5","4","6","5","1","6","1") = "5"
    & skf21("5","5","4","6","5","1","7","1") = "6"
    & skf21("5","5","4","6","5","2","1","1") = "5"
    & skf21("5","5","4","6","5","2","2","1") = "5"
    & skf21("5","5","4","6","5","2","3","1") = "5"
    & skf21("5","5","4","6","5","2","4","1") = "5"
    & skf21("5","5","4","6","5","2","5","1") = "5"
    & skf21("5","5","4","6","5","2","6","1") = "5"
    & skf21("5","5","4","6","5","2","7","1") = "6"
    & skf21("5","5","4","6","5","3","1","1") = "5"
    & skf21("5","5","4","6","5","3","2","1") = "5"
    & skf21("5","5","4","6","5","3","3","1") = "5"
    & skf21("5","5","4","6","5","3","4","1") = "5"
    & skf21("5","5","4","6","5","3","5","1") = "5"
    & skf21("5","5","4","6","5","3","6","1") = "5"
    & skf21("5","5","4","6","5","3","7","1") = "6"
    & skf21("5","5","4","6","5","4","1","1") = "5"
    & skf21("5","5","4","6","5","4","2","1") = "5"
    & skf21("5","5","4","6","5","4","3","1") = "5"
    & skf21("5","5","4","6","5","4","4","1") = "5"
    & skf21("5","5","4","6","5","4","5","1") = "5"
    & skf21("5","5","4","6","5","4","6","1") = "5"
    & skf21("5","5","4","6","5","4","7","1") = "6"
    & skf21("5","5","4","6","5","5","1","1") = "5"
    & skf21("5","5","4","6","5","5","2","1") = "5"
    & skf21("5","5","4","6","5","5","3","1") = "5"
    & skf21("5","5","4","6","5","5","4","1") = "5"
    & skf21("5","5","4","6","5","5","5","1") = "5"
    & skf21("5","5","4","6","5","5","6","1") = "5"
    & skf21("5","5","4","6","5","5","7","1") = "6"
    & skf21("5","5","4","6","5","6","1","1") = "5"
    & skf21("5","5","4","6","5","6","2","1") = "5"
    & skf21("5","5","4","6","5","6","3","1") = "5"
    & skf21("5","5","4","6","5","6","4","1") = "5"
    & skf21("5","5","4","6","5","6","5","1") = "5"
    & skf21("5","5","4","6","5","6","6","1") = "5"
    & skf21("5","5","4","6","5","6","7","1") = "6"
    & skf21("5","5","4","6","5","7","1","1") = "6"
    & skf21("5","5","4","6","5","7","2","1") = "6"
    & skf21("5","5","4","6","5","7","3","1") = "6"
    & skf21("5","5","4","6","5","7","4","1") = "6"
    & skf21("5","5","4","6","5","7","5","1") = "6"
    & skf21("5","5","4","6","5","7","6","1") = "6"
    & skf21("5","5","4","6","5","7","7","1") = "6"
    & skf21("5","5","4","6","6","1","1","1") = "5"
    & skf21("5","5","4","6","6","1","2","1") = "5"
    & skf21("5","5","4","6","6","1","3","1") = "5"
    & skf21("5","5","4","6","6","1","4","1") = "5"
    & skf21("5","5","4","6","6","1","5","1") = "5"
    & skf21("5","5","4","6","6","1","6","1") = "5"
    & skf21("5","5","4","6","6","1","7","1") = "6"
    & skf21("5","5","4","6","6","2","1","1") = "5"
    & skf21("5","5","4","6","6","2","2","1") = "5"
    & skf21("5","5","4","6","6","2","3","1") = "5"
    & skf21("5","5","4","6","6","2","4","1") = "5"
    & skf21("5","5","4","6","6","2","5","1") = "5"
    & skf21("5","5","4","6","6","2","6","1") = "5"
    & skf21("5","5","4","6","6","2","7","1") = "6"
    & skf21("5","5","4","6","6","3","1","1") = "5"
    & skf21("5","5","4","6","6","3","2","1") = "5"
    & skf21("5","5","4","6","6","3","3","1") = "5"
    & skf21("5","5","4","6","6","3","4","1") = "5"
    & skf21("5","5","4","6","6","3","5","1") = "5"
    & skf21("5","5","4","6","6","3","6","1") = "5"
    & skf21("5","5","4","6","6","3","7","1") = "6"
    & skf21("5","5","4","6","6","4","1","1") = "5"
    & skf21("5","5","4","6","6","4","2","1") = "5"
    & skf21("5","5","4","6","6","4","3","1") = "5"
    & skf21("5","5","4","6","6","4","4","1") = "5"
    & skf21("5","5","4","6","6","4","5","1") = "5"
    & skf21("5","5","4","6","6","4","6","1") = "5"
    & skf21("5","5","4","6","6","4","7","1") = "6"
    & skf21("5","5","4","6","6","5","1","1") = "5"
    & skf21("5","5","4","6","6","5","2","1") = "5"
    & skf21("5","5","4","6","6","5","3","1") = "5"
    & skf21("5","5","4","6","6","5","4","1") = "5"
    & skf21("5","5","4","6","6","5","5","1") = "5"
    & skf21("5","5","4","6","6","5","6","1") = "5"
    & skf21("5","5","4","6","6","5","7","1") = "6"
    & skf21("5","5","4","6","6","6","1","1") = "5"
    & skf21("5","5","4","6","6","6","2","1") = "5"
    & skf21("5","5","4","6","6","6","3","1") = "5"
    & skf21("5","5","4","6","6","6","4","1") = "5"
    & skf21("5","5","4","6","6","6","5","1") = "5"
    & skf21("5","5","4","6","6","6","6","1") = "5"
    & skf21("5","5","4","6","6","6","7","1") = "6"
    & skf21("5","5","4","6","6","7","1","1") = "6"
    & skf21("5","5","4","6","6","7","2","1") = "6"
    & skf21("5","5","4","6","6","7","3","1") = "6"
    & skf21("5","5","4","6","6","7","4","1") = "6"
    & skf21("5","5","4","6","6","7","5","1") = "6"
    & skf21("5","5","4","6","6","7","6","1") = "6"
    & skf21("5","5","4","6","6","7","7","1") = "6"
    & skf21("5","5","4","6","7","1","1","1") = "6"
    & skf21("5","5","4","6","7","1","2","1") = "6"
    & skf21("5","5","4","6","7","1","3","1") = "6"
    & skf21("5","5","4","6","7","1","4","1") = "6"
    & skf21("5","5","4","6","7","1","5","1") = "6"
    & skf21("5","5","4","6","7","1","6","1") = "6"
    & skf21("5","5","4","6","7","1","7","1") = "6"
    & skf21("5","5","4","6","7","2","1","1") = "6"
    & skf21("5","5","4","6","7","2","2","1") = "6"
    & skf21("5","5","4","6","7","2","3","1") = "6"
    & skf21("5","5","4","6","7","2","4","1") = "6"
    & skf21("5","5","4","6","7","2","5","1") = "6"
    & skf21("5","5","4","6","7","2","6","1") = "6"
    & skf21("5","5","4","6","7","2","7","1") = "6"
    & skf21("5","5","4","6","7","3","1","1") = "6"
    & skf21("5","5","4","6","7","3","2","1") = "6"
    & skf21("5","5","4","6","7","3","3","1") = "6"
    & skf21("5","5","4","6","7","3","4","1") = "6"
    & skf21("5","5","4","6","7","3","5","1") = "6"
    & skf21("5","5","4","6","7","3","6","1") = "6"
    & skf21("5","5","4","6","7","3","7","1") = "6"
    & skf21("5","5","4","6","7","4","1","1") = "6"
    & skf21("5","5","4","6","7","4","2","1") = "6"
    & skf21("5","5","4","6","7","4","3","1") = "6"
    & skf21("5","5","4","6","7","4","4","1") = "6"
    & skf21("5","5","4","6","7","4","5","1") = "6"
    & skf21("5","5","4","6","7","4","6","1") = "6"
    & skf21("5","5","4","6","7","4","7","1") = "6"
    & skf21("5","5","4","6","7","5","1","1") = "6"
    & skf21("5","5","4","6","7","5","2","1") = "6"
    & skf21("5","5","4","6","7","5","3","1") = "6"
    & skf21("5","5","4","6","7","5","4","1") = "6"
    & skf21("5","5","4","6","7","5","5","1") = "6"
    & skf21("5","5","4","6","7","5","6","1") = "6"
    & skf21("5","5","4","6","7","5","7","1") = "6"
    & skf21("5","5","4","6","7","6","1","1") = "6"
    & skf21("5","5","4","6","7","6","2","1") = "6"
    & skf21("5","5","4","6","7","6","3","1") = "6"
    & skf21("5","5","4","6","7","6","4","1") = "6"
    & skf21("5","5","4","6","7","6","5","1") = "6"
    & skf21("5","5","4","6","7","6","6","1") = "6"
    & skf21("5","5","4","6","7","6","7","1") = "6"
    & skf21("5","5","4","6","7","7","1","1") = "6"
    & skf21("5","5","4","6","7","7","2","1") = "6"
    & skf21("5","5","4","6","7","7","3","1") = "6"
    & skf21("5","5","4","6","7","7","4","1") = "6"
    & skf21("5","5","4","6","7","7","5","1") = "6"
    & skf21("5","5","4","6","7","7","6","1") = "6"
    & skf21("5","5","4","6","7","7","7","1") = "6"
    & skf21("5","5","4","7","1","1","1","1") = "6"
    & skf21("5","5","4","7","1","1","2","1") = "6"
    & skf21("5","5","4","7","1","1","3","1") = "6"
    & skf21("5","5","4","7","1","1","4","1") = "6"
    & skf21("5","5","4","7","1","1","5","1") = "6"
    & skf21("5","5","4","7","1","1","6","1") = "6"
    & skf21("5","5","4","7","1","1","7","1") = "6"
    & skf21("5","5","4","7","1","2","1","1") = "6"
    & skf21("5","5","4","7","1","2","2","1") = "6"
    & skf21("5","5","4","7","1","2","3","1") = "6"
    & skf21("5","5","4","7","1","2","4","1") = "6"
    & skf21("5","5","4","7","1","2","5","1") = "6"
    & skf21("5","5","4","7","1","2","6","1") = "6"
    & skf21("5","5","4","7","1","2","7","1") = "6"
    & skf21("5","5","4","7","1","3","1","1") = "6"
    & skf21("5","5","4","7","1","3","2","1") = "6"
    & skf21("5","5","4","7","1","3","3","1") = "6"
    & skf21("5","5","4","7","1","3","4","1") = "6"
    & skf21("5","5","4","7","1","3","5","1") = "6"
    & skf21("5","5","4","7","1","3","6","1") = "6"
    & skf21("5","5","4","7","1","3","7","1") = "6"
    & skf21("5","5","4","7","1","4","1","1") = "6"
    & skf21("5","5","4","7","1","4","2","1") = "6"
    & skf21("5","5","4","7","1","4","3","1") = "6"
    & skf21("5","5","4","7","1","4","4","1") = "6"
    & skf21("5","5","4","7","1","4","5","1") = "6"
    & skf21("5","5","4","7","1","4","6","1") = "6"
    & skf21("5","5","4","7","1","4","7","1") = "6"
    & skf21("5","5","4","7","1","5","1","1") = "6"
    & skf21("5","5","4","7","1","5","2","1") = "6"
    & skf21("5","5","4","7","1","5","3","1") = "6"
    & skf21("5","5","4","7","1","5","4","1") = "6"
    & skf21("5","5","4","7","1","5","5","1") = "6"
    & skf21("5","5","4","7","1","5","6","1") = "6"
    & skf21("5","5","4","7","1","5","7","1") = "6"
    & skf21("5","5","4","7","1","6","1","1") = "6"
    & skf21("5","5","4","7","1","6","2","1") = "6"
    & skf21("5","5","4","7","1","6","3","1") = "6"
    & skf21("5","5","4","7","1","6","4","1") = "6"
    & skf21("5","5","4","7","1","6","5","1") = "6"
    & skf21("5","5","4","7","1","6","6","1") = "6"
    & skf21("5","5","4","7","1","6","7","1") = "6"
    & skf21("5","5","4","7","1","7","1","1") = "6"
    & skf21("5","5","4","7","1","7","2","1") = "6"
    & skf21("5","5","4","7","1","7","3","1") = "6"
    & skf21("5","5","4","7","1","7","4","1") = "6"
    & skf21("5","5","4","7","1","7","5","1") = "6"
    & skf21("5","5","4","7","1","7","6","1") = "6"
    & skf21("5","5","4","7","1","7","7","1") = "6"
    & skf21("5","5","4","7","2","1","1","1") = "6"
    & skf21("5","5","4","7","2","1","2","1") = "6"
    & skf21("5","5","4","7","2","1","3","1") = "6"
    & skf21("5","5","4","7","2","1","4","1") = "6"
    & skf21("5","5","4","7","2","1","5","1") = "6"
    & skf21("5","5","4","7","2","1","6","1") = "6"
    & skf21("5","5","4","7","2","1","7","1") = "6"
    & skf21("5","5","4","7","2","2","1","1") = "6"
    & skf21("5","5","4","7","2","2","2","1") = "6"
    & skf21("5","5","4","7","2","2","3","1") = "6"
    & skf21("5","5","4","7","2","2","4","1") = "6"
    & skf21("5","5","4","7","2","2","5","1") = "6"
    & skf21("5","5","4","7","2","2","6","1") = "6"
    & skf21("5","5","4","7","2","2","7","1") = "6"
    & skf21("5","5","4","7","2","3","1","1") = "6"
    & skf21("5","5","4","7","2","3","2","1") = "6"
    & skf21("5","5","4","7","2","3","3","1") = "6"
    & skf21("5","5","4","7","2","3","4","1") = "6"
    & skf21("5","5","4","7","2","3","5","1") = "6"
    & skf21("5","5","4","7","2","3","6","1") = "6"
    & skf21("5","5","4","7","2","3","7","1") = "6"
    & skf21("5","5","4","7","2","4","1","1") = "6"
    & skf21("5","5","4","7","2","4","2","1") = "6"
    & skf21("5","5","4","7","2","4","3","1") = "6"
    & skf21("5","5","4","7","2","4","4","1") = "6"
    & skf21("5","5","4","7","2","4","5","1") = "6"
    & skf21("5","5","4","7","2","4","6","1") = "6"
    & skf21("5","5","4","7","2","4","7","1") = "6"
    & skf21("5","5","4","7","2","5","1","1") = "6"
    & skf21("5","5","4","7","2","5","2","1") = "6"
    & skf21("5","5","4","7","2","5","3","1") = "6"
    & skf21("5","5","4","7","2","5","4","1") = "6"
    & skf21("5","5","4","7","2","5","5","1") = "6"
    & skf21("5","5","4","7","2","5","6","1") = "6"
    & skf21("5","5","4","7","2","5","7","1") = "6"
    & skf21("5","5","4","7","2","6","1","1") = "6"
    & skf21("5","5","4","7","2","6","2","1") = "6"
    & skf21("5","5","4","7","2","6","3","1") = "6"
    & skf21("5","5","4","7","2","6","4","1") = "6"
    & skf21("5","5","4","7","2","6","5","1") = "6"
    & skf21("5","5","4","7","2","6","6","1") = "6"
    & skf21("5","5","4","7","2","6","7","1") = "6"
    & skf21("5","5","4","7","2","7","1","1") = "6"
    & skf21("5","5","4","7","2","7","2","1") = "6"
    & skf21("5","5","4","7","2","7","3","1") = "6"
    & skf21("5","5","4","7","2","7","4","1") = "6"
    & skf21("5","5","4","7","2","7","5","1") = "6"
    & skf21("5","5","4","7","2","7","6","1") = "6"
    & skf21("5","5","4","7","2","7","7","1") = "6"
    & skf21("5","5","4","7","3","1","1","1") = "6"
    & skf21("5","5","4","7","3","1","2","1") = "6"
    & skf21("5","5","4","7","3","1","3","1") = "6"
    & skf21("5","5","4","7","3","1","4","1") = "6"
    & skf21("5","5","4","7","3","1","5","1") = "6"
    & skf21("5","5","4","7","3","1","6","1") = "6"
    & skf21("5","5","4","7","3","1","7","1") = "6"
    & skf21("5","5","4","7","3","2","1","1") = "6"
    & skf21("5","5","4","7","3","2","2","1") = "6"
    & skf21("5","5","4","7","3","2","3","1") = "6"
    & skf21("5","5","4","7","3","2","4","1") = "6"
    & skf21("5","5","4","7","3","2","5","1") = "6"
    & skf21("5","5","4","7","3","2","6","1") = "6"
    & skf21("5","5","4","7","3","2","7","1") = "6"
    & skf21("5","5","4","7","3","3","1","1") = "6"
    & skf21("5","5","4","7","3","3","2","1") = "6"
    & skf21("5","5","4","7","3","3","3","1") = "6"
    & skf21("5","5","4","7","3","3","4","1") = "6"
    & skf21("5","5","4","7","3","3","5","1") = "6"
    & skf21("5","5","4","7","3","3","6","1") = "6"
    & skf21("5","5","4","7","3","3","7","1") = "6"
    & skf21("5","5","4","7","3","4","1","1") = "6"
    & skf21("5","5","4","7","3","4","2","1") = "6"
    & skf21("5","5","4","7","3","4","3","1") = "6"
    & skf21("5","5","4","7","3","4","4","1") = "6"
    & skf21("5","5","4","7","3","4","5","1") = "6"
    & skf21("5","5","4","7","3","4","6","1") = "6"
    & skf21("5","5","4","7","3","4","7","1") = "6"
    & skf21("5","5","4","7","3","5","1","1") = "6"
    & skf21("5","5","4","7","3","5","2","1") = "6"
    & skf21("5","5","4","7","3","5","3","1") = "6"
    & skf21("5","5","4","7","3","5","4","1") = "6"
    & skf21("5","5","4","7","3","5","5","1") = "6"
    & skf21("5","5","4","7","3","5","6","1") = "6"
    & skf21("5","5","4","7","3","5","7","1") = "6"
    & skf21("5","5","4","7","3","6","1","1") = "6"
    & skf21("5","5","4","7","3","6","2","1") = "6"
    & skf21("5","5","4","7","3","6","3","1") = "6"
    & skf21("5","5","4","7","3","6","4","1") = "6"
    & skf21("5","5","4","7","3","6","5","1") = "6"
    & skf21("5","5","4","7","3","6","6","1") = "6"
    & skf21("5","5","4","7","3","6","7","1") = "6"
    & skf21("5","5","4","7","3","7","1","1") = "6"
    & skf21("5","5","4","7","3","7","2","1") = "6"
    & skf21("5","5","4","7","3","7","3","1") = "6"
    & skf21("5","5","4","7","3","7","4","1") = "6"
    & skf21("5","5","4","7","3","7","5","1") = "6"
    & skf21("5","5","4","7","3","7","6","1") = "6"
    & skf21("5","5","4","7","3","7","7","1") = "6"
    & skf21("5","5","4","7","4","1","1","1") = "6"
    & skf21("5","5","4","7","4","1","2","1") = "6"
    & skf21("5","5","4","7","4","1","3","1") = "6"
    & skf21("5","5","4","7","4","1","4","1") = "6"
    & skf21("5","5","4","7","4","1","5","1") = "6"
    & skf21("5","5","4","7","4","1","6","1") = "6"
    & skf21("5","5","4","7","4","1","7","1") = "6"
    & skf21("5","5","4","7","4","2","1","1") = "6"
    & skf21("5","5","4","7","4","2","2","1") = "6"
    & skf21("5","5","4","7","4","2","3","1") = "6"
    & skf21("5","5","4","7","4","2","4","1") = "6"
    & skf21("5","5","4","7","4","2","5","1") = "6"
    & skf21("5","5","4","7","4","2","6","1") = "6"
    & skf21("5","5","4","7","4","2","7","1") = "6"
    & skf21("5","5","4","7","4","3","1","1") = "6"
    & skf21("5","5","4","7","4","3","2","1") = "6"
    & skf21("5","5","4","7","4","3","3","1") = "6"
    & skf21("5","5","4","7","4","3","4","1") = "6"
    & skf21("5","5","4","7","4","3","5","1") = "6"
    & skf21("5","5","4","7","4","3","6","1") = "6"
    & skf21("5","5","4","7","4","3","7","1") = "6"
    & skf21("5","5","4","7","4","4","1","1") = "6"
    & skf21("5","5","4","7","4","4","2","1") = "6"
    & skf21("5","5","4","7","4","4","3","1") = "6"
    & skf21("5","5","4","7","4","4","4","1") = "6"
    & skf21("5","5","4","7","4","4","5","1") = "6"
    & skf21("5","5","4","7","4","4","6","1") = "6"
    & skf21("5","5","4","7","4","4","7","1") = "6"
    & skf21("5","5","4","7","4","5","1","1") = "6"
    & skf21("5","5","4","7","4","5","2","1") = "6"
    & skf21("5","5","4","7","4","5","3","1") = "6"
    & skf21("5","5","4","7","4","5","4","1") = "6"
    & skf21("5","5","4","7","4","5","5","1") = "6"
    & skf21("5","5","4","7","4","5","6","1") = "6"
    & skf21("5","5","4","7","4","5","7","1") = "6"
    & skf21("5","5","4","7","4","6","1","1") = "6"
    & skf21("5","5","4","7","4","6","2","1") = "6"
    & skf21("5","5","4","7","4","6","3","1") = "6"
    & skf21("5","5","4","7","4","6","4","1") = "6"
    & skf21("5","5","4","7","4","6","5","1") = "6"
    & skf21("5","5","4","7","4","6","6","1") = "6"
    & skf21("5","5","4","7","4","6","7","1") = "6"
    & skf21("5","5","4","7","4","7","1","1") = "6"
    & skf21("5","5","4","7","4","7","2","1") = "6"
    & skf21("5","5","4","7","4","7","3","1") = "6"
    & skf21("5","5","4","7","4","7","4","1") = "6"
    & skf21("5","5","4","7","4","7","5","1") = "6"
    & skf21("5","5","4","7","4","7","6","1") = "6"
    & skf21("5","5","4","7","4","7","7","1") = "6"
    & skf21("5","5","4","7","5","1","1","1") = "6"
    & skf21("5","5","4","7","5","1","2","1") = "6"
    & skf21("5","5","4","7","5","1","3","1") = "6"
    & skf21("5","5","4","7","5","1","4","1") = "6"
    & skf21("5","5","4","7","5","1","5","1") = "6"
    & skf21("5","5","4","7","5","1","6","1") = "6"
    & skf21("5","5","4","7","5","1","7","1") = "6"
    & skf21("5","5","4","7","5","2","1","1") = "6"
    & skf21("5","5","4","7","5","2","2","1") = "6"
    & skf21("5","5","4","7","5","2","3","1") = "6"
    & skf21("5","5","4","7","5","2","4","1") = "6"
    & skf21("5","5","4","7","5","2","5","1") = "6"
    & skf21("5","5","4","7","5","2","6","1") = "6"
    & skf21("5","5","4","7","5","2","7","1") = "6"
    & skf21("5","5","4","7","5","3","1","1") = "6"
    & skf21("5","5","4","7","5","3","2","1") = "6"
    & skf21("5","5","4","7","5","3","3","1") = "6"
    & skf21("5","5","4","7","5","3","4","1") = "6"
    & skf21("5","5","4","7","5","3","5","1") = "6"
    & skf21("5","5","4","7","5","3","6","1") = "6"
    & skf21("5","5","4","7","5","3","7","1") = "6"
    & skf21("5","5","4","7","5","4","1","1") = "6"
    & skf21("5","5","4","7","5","4","2","1") = "6"
    & skf21("5","5","4","7","5","4","3","1") = "6"
    & skf21("5","5","4","7","5","4","4","1") = "6"
    & skf21("5","5","4","7","5","4","5","1") = "6"
    & skf21("5","5","4","7","5","4","6","1") = "6"
    & skf21("5","5","4","7","5","4","7","1") = "6"
    & skf21("5","5","4","7","5","5","1","1") = "6"
    & skf21("5","5","4","7","5","5","2","1") = "6"
    & skf21("5","5","4","7","5","5","3","1") = "6"
    & skf21("5","5","4","7","5","5","4","1") = "6"
    & skf21("5","5","4","7","5","5","5","1") = "6"
    & skf21("5","5","4","7","5","5","6","1") = "6"
    & skf21("5","5","4","7","5","5","7","1") = "6"
    & skf21("5","5","4","7","5","6","1","1") = "6"
    & skf21("5","5","4","7","5","6","2","1") = "6"
    & skf21("5","5","4","7","5","6","3","1") = "6"
    & skf21("5","5","4","7","5","6","4","1") = "6"
    & skf21("5","5","4","7","5","6","5","1") = "6"
    & skf21("5","5","4","7","5","6","6","1") = "6"
    & skf21("5","5","4","7","5","6","7","1") = "6"
    & skf21("5","5","4","7","5","7","1","1") = "6"
    & skf21("5","5","4","7","5","7","2","1") = "6"
    & skf21("5","5","4","7","5","7","3","1") = "6"
    & skf21("5","5","4","7","5","7","4","1") = "6"
    & skf21("5","5","4","7","5","7","5","1") = "6"
    & skf21("5","5","4","7","5","7","6","1") = "6"
    & skf21("5","5","4","7","5","7","7","1") = "6"
    & skf21("5","5","4","7","6","1","1","1") = "6"
    & skf21("5","5","4","7","6","1","2","1") = "6"
    & skf21("5","5","4","7","6","1","3","1") = "6"
    & skf21("5","5","4","7","6","1","4","1") = "6"
    & skf21("5","5","4","7","6","1","5","1") = "6"
    & skf21("5","5","4","7","6","1","6","1") = "6"
    & skf21("5","5","4","7","6","1","7","1") = "6"
    & skf21("5","5","4","7","6","2","1","1") = "6"
    & skf21("5","5","4","7","6","2","2","1") = "6"
    & skf21("5","5","4","7","6","2","3","1") = "6"
    & skf21("5","5","4","7","6","2","4","1") = "6"
    & skf21("5","5","4","7","6","2","5","1") = "6"
    & skf21("5","5","4","7","6","2","6","1") = "6"
    & skf21("5","5","4","7","6","2","7","1") = "6"
    & skf21("5","5","4","7","6","3","1","1") = "6"
    & skf21("5","5","4","7","6","3","2","1") = "6"
    & skf21("5","5","4","7","6","3","3","1") = "6"
    & skf21("5","5","4","7","6","3","4","1") = "6"
    & skf21("5","5","4","7","6","3","5","1") = "6"
    & skf21("5","5","4","7","6","3","6","1") = "6"
    & skf21("5","5","4","7","6","3","7","1") = "6"
    & skf21("5","5","4","7","6","4","1","1") = "6"
    & skf21("5","5","4","7","6","4","2","1") = "6"
    & skf21("5","5","4","7","6","4","3","1") = "6"
    & skf21("5","5","4","7","6","4","4","1") = "6"
    & skf21("5","5","4","7","6","4","5","1") = "6"
    & skf21("5","5","4","7","6","4","6","1") = "6"
    & skf21("5","5","4","7","6","4","7","1") = "6"
    & skf21("5","5","4","7","6","5","1","1") = "6"
    & skf21("5","5","4","7","6","5","2","1") = "6"
    & skf21("5","5","4","7","6","5","3","1") = "6"
    & skf21("5","5","4","7","6","5","4","1") = "6"
    & skf21("5","5","4","7","6","5","5","1") = "6"
    & skf21("5","5","4","7","6","5","6","1") = "6"
    & skf21("5","5","4","7","6","5","7","1") = "6"
    & skf21("5","5","4","7","6","6","1","1") = "6"
    & skf21("5","5","4","7","6","6","2","1") = "6"
    & skf21("5","5","4","7","6","6","3","1") = "6"
    & skf21("5","5","4","7","6","6","4","1") = "6"
    & skf21("5","5","4","7","6","6","5","1") = "6"
    & skf21("5","5","4","7","6","6","6","1") = "6"
    & skf21("5","5","4","7","6","6","7","1") = "6"
    & skf21("5","5","4","7","6","7","1","1") = "6"
    & skf21("5","5","4","7","6","7","2","1") = "6"
    & skf21("5","5","4","7","6","7","3","1") = "6"
    & skf21("5","5","4","7","6","7","4","1") = "6"
    & skf21("5","5","4","7","6","7","5","1") = "6"
    & skf21("5","5","4","7","6","7","6","1") = "6"
    & skf21("5","5","4","7","6","7","7","1") = "6"
    & skf21("5","5","4","7","7","1","1","1") = "6"
    & skf21("5","5","4","7","7","1","2","1") = "6"
    & skf21("5","5","4","7","7","1","3","1") = "6"
    & skf21("5","5","4","7","7","1","4","1") = "6"
    & skf21("5","5","4","7","7","1","5","1") = "6"
    & skf21("5","5","4","7","7","1","6","1") = "6"
    & skf21("5","5","4","7","7","1","7","1") = "6"
    & skf21("5","5","4","7","7","2","1","1") = "6"
    & skf21("5","5","4","7","7","2","2","1") = "6"
    & skf21("5","5","4","7","7","2","3","1") = "6"
    & skf21("5","5","4","7","7","2","4","1") = "6"
    & skf21("5","5","4","7","7","2","5","1") = "6"
    & skf21("5","5","4","7","7","2","6","1") = "6"
    & skf21("5","5","4","7","7","2","7","1") = "6"
    & skf21("5","5","4","7","7","3","1","1") = "6"
    & skf21("5","5","4","7","7","3","2","1") = "6"
    & skf21("5","5","4","7","7","3","3","1") = "6"
    & skf21("5","5","4","7","7","3","4","1") = "6"
    & skf21("5","5","4","7","7","3","5","1") = "6"
    & skf21("5","5","4","7","7","3","6","1") = "6"
    & skf21("5","5","4","7","7","3","7","1") = "6"
    & skf21("5","5","4","7","7","4","1","1") = "6"
    & skf21("5","5","4","7","7","4","2","1") = "6"
    & skf21("5","5","4","7","7","4","3","1") = "6"
    & skf21("5","5","4","7","7","4","4","1") = "6"
    & skf21("5","5","4","7","7","4","5","1") = "6"
    & skf21("5","5","4","7","7","4","6","1") = "6"
    & skf21("5","5","4","7","7","4","7","1") = "6"
    & skf21("5","5","4","7","7","5","1","1") = "6"
    & skf21("5","5","4","7","7","5","2","1") = "6"
    & skf21("5","5","4","7","7","5","3","1") = "6"
    & skf21("5","5","4","7","7","5","4","1") = "6"
    & skf21("5","5","4","7","7","5","5","1") = "6"
    & skf21("5","5","4","7","7","5","6","1") = "6"
    & skf21("5","5","4","7","7","5","7","1") = "6"
    & skf21("5","5","4","7","7","6","1","1") = "6"
    & skf21("5","5","4","7","7","6","2","1") = "6"
    & skf21("5","5","4","7","7","6","3","1") = "6"
    & skf21("5","5","4","7","7","6","4","1") = "6"
    & skf21("5","5","4","7","7","6","5","1") = "6"
    & skf21("5","5","4","7","7","6","6","1") = "6"
    & skf21("5","5","4","7","7","6","7","1") = "6"
    & skf21("5","5","4","7","7","7","1","1") = "6"
    & skf21("5","5","4","7","7","7","2","1") = "6"
    & skf21("5","5","4","7","7","7","3","1") = "6"
    & skf21("5","5","4","7","7","7","4","1") = "6"
    & skf21("5","5","4","7","7","7","5","1") = "6"
    & skf21("5","5","4","7","7","7","6","1") = "6"
    & skf21("5","5","4","7","7","7","7","1") = "6"
    & skf21("5","5","5","1","1","1","1","1") = "4"
    & skf21("5","5","5","1","1","1","2","1") = "4"
    & skf21("5","5","5","1","1","1","3","1") = "4"
    & skf21("5","5","5","1","1","1","4","1") = "4"
    & skf21("5","5","5","1","1","1","5","1") = "4"
    & skf21("5","5","5","1","1","1","6","1") = "5"
    & skf21("5","5","5","1","1","1","7","1") = "6"
    & skf21("5","5","5","1","1","2","1","1") = "4"
    & skf21("5","5","5","1","1","2","2","1") = "4"
    & skf21("5","5","5","1","1","2","3","1") = "4"
    & skf21("5","5","5","1","1","2","4","1") = "4"
    & skf21("5","5","5","1","1","2","5","1") = "4"
    & skf21("5","5","5","1","1","2","6","1") = "5"
    & skf21("5","5","5","1","1","2","7","1") = "6"
    & skf21("5","5","5","1","1","3","1","1") = "4"
    & skf21("5","5","5","1","1","3","2","1") = "4"
    & skf21("5","5","5","1","1","3","3","1") = "4"
    & skf21("5","5","5","1","1","3","4","1") = "4"
    & skf21("5","5","5","1","1","3","5","1") = "4"
    & skf21("5","5","5","1","1","3","6","1") = "5"
    & skf21("5","5","5","1","1","3","7","1") = "6"
    & skf21("5","5","5","1","1","4","1","1") = "4"
    & skf21("5","5","5","1","1","4","2","1") = "4"
    & skf21("5","5","5","1","1","4","3","1") = "4"
    & skf21("5","5","5","1","1","4","4","1") = "4"
    & skf21("5","5","5","1","1","4","5","1") = "4"
    & skf21("5","5","5","1","1","4","6","1") = "5"
    & skf21("5","5","5","1","1","4","7","1") = "6"
    & skf21("5","5","5","1","1","5","1","1") = "4"
    & skf21("5","5","5","1","1","5","2","1") = "4"
    & skf21("5","5","5","1","1","5","3","1") = "4"
    & skf21("5","5","5","1","1","5","4","1") = "4"
    & skf21("5","5","5","1","1","5","5","1") = "4"
    & skf21("5","5","5","1","1","5","6","1") = "5"
    & skf21("5","5","5","1","1","5","7","1") = "6"
    & skf21("5","5","5","1","1","6","1","1") = "5"
    & skf21("5","5","5","1","1","6","2","1") = "5"
    & skf21("5","5","5","1","1","6","3","1") = "5"
    & skf21("5","5","5","1","1","6","4","1") = "5"
    & skf21("5","5","5","1","1","6","5","1") = "5"
    & skf21("5","5","5","1","1","6","6","1") = "5"
    & skf21("5","5","5","1","1","6","7","1") = "6"
    & skf21("5","5","5","1","1","7","1","1") = "6"
    & skf21("5","5","5","1","1","7","2","1") = "6"
    & skf21("5","5","5","1","1","7","3","1") = "6"
    & skf21("5","5","5","1","1","7","4","1") = "6"
    & skf21("5","5","5","1","1","7","5","1") = "6"
    & skf21("5","5","5","1","1","7","6","1") = "6"
    & skf21("5","5","5","1","1","7","7","1") = "6"
    & skf21("5","5","5","1","2","1","1","1") = "4"
    & skf21("5","5","5","1","2","1","2","1") = "4"
    & skf21("5","5","5","1","2","1","3","1") = "4"
    & skf21("5","5","5","1","2","1","4","1") = "4"
    & skf21("5","5","5","1","2","1","5","1") = "4"
    & skf21("5","5","5","1","2","1","6","1") = "5"
    & skf21("5","5","5","1","2","1","7","1") = "6"
    & skf21("5","5","5","1","2","2","1","1") = "4"
    & skf21("5","5","5","1","2","2","2","1") = "4"
    & skf21("5","5","5","1","2","2","3","1") = "4"
    & skf21("5","5","5","1","2","2","4","1") = "4"
    & skf21("5","5","5","1","2","2","5","1") = "4"
    & skf21("5","5","5","1","2","2","6","1") = "5"
    & skf21("5","5","5","1","2","2","7","1") = "6"
    & skf21("5","5","5","1","2","3","1","1") = "4"
    & skf21("5","5","5","1","2","3","2","1") = "4"
    & skf21("5","5","5","1","2","3","3","1") = "4"
    & skf21("5","5","5","1","2","3","4","1") = "4"
    & skf21("5","5","5","1","2","3","5","1") = "4"
    & skf21("5","5","5","1","2","3","6","1") = "5"
    & skf21("5","5","5","1","2","3","7","1") = "6"
    & skf21("5","5","5","1","2","4","1","1") = "4"
    & skf21("5","5","5","1","2","4","2","1") = "4"
    & skf21("5","5","5","1","2","4","3","1") = "4"
    & skf21("5","5","5","1","2","4","4","1") = "4"
    & skf21("5","5","5","1","2","4","5","1") = "4"
    & skf21("5","5","5","1","2","4","6","1") = "5"
    & skf21("5","5","5","1","2","4","7","1") = "6"
    & skf21("5","5","5","1","2","5","1","1") = "4"
    & skf21("5","5","5","1","2","5","2","1") = "4"
    & skf21("5","5","5","1","2","5","3","1") = "4"
    & skf21("5","5","5","1","2","5","4","1") = "4"
    & skf21("5","5","5","1","2","5","5","1") = "4"
    & skf21("5","5","5","1","2","5","6","1") = "5"
    & skf21("5","5","5","1","2","5","7","1") = "6"
    & skf21("5","5","5","1","2","6","1","1") = "5"
    & skf21("5","5","5","1","2","6","2","1") = "5"
    & skf21("5","5","5","1","2","6","3","1") = "5"
    & skf21("5","5","5","1","2","6","4","1") = "5"
    & skf21("5","5","5","1","2","6","5","1") = "5"
    & skf21("5","5","5","1","2","6","6","1") = "5"
    & skf21("5","5","5","1","2","6","7","1") = "6"
    & skf21("5","5","5","1","2","7","1","1") = "6"
    & skf21("5","5","5","1","2","7","2","1") = "6"
    & skf21("5","5","5","1","2","7","3","1") = "6"
    & skf21("5","5","5","1","2","7","4","1") = "6"
    & skf21("5","5","5","1","2","7","5","1") = "6"
    & skf21("5","5","5","1","2","7","6","1") = "6"
    & skf21("5","5","5","1","2","7","7","1") = "6"
    & skf21("5","5","5","1","3","1","1","1") = "4"
    & skf21("5","5","5","1","3","1","2","1") = "4"
    & skf21("5","5","5","1","3","1","3","1") = "4"
    & skf21("5","5","5","1","3","1","4","1") = "4"
    & skf21("5","5","5","1","3","1","5","1") = "4"
    & skf21("5","5","5","1","3","1","6","1") = "5"
    & skf21("5","5","5","1","3","1","7","1") = "6"
    & skf21("5","5","5","1","3","2","1","1") = "4"
    & skf21("5","5","5","1","3","2","2","1") = "4"
    & skf21("5","5","5","1","3","2","3","1") = "4"
    & skf21("5","5","5","1","3","2","4","1") = "4"
    & skf21("5","5","5","1","3","2","5","1") = "4"
    & skf21("5","5","5","1","3","2","6","1") = "5"
    & skf21("5","5","5","1","3","2","7","1") = "6"
    & skf21("5","5","5","1","3","3","1","1") = "4"
    & skf21("5","5","5","1","3","3","2","1") = "4"
    & skf21("5","5","5","1","3","3","3","1") = "4"
    & skf21("5","5","5","1","3","3","4","1") = "4"
    & skf21("5","5","5","1","3","3","5","1") = "4"
    & skf21("5","5","5","1","3","3","6","1") = "5"
    & skf21("5","5","5","1","3","3","7","1") = "6"
    & skf21("5","5","5","1","3","4","1","1") = "4"
    & skf21("5","5","5","1","3","4","2","1") = "4"
    & skf21("5","5","5","1","3","4","3","1") = "4"
    & skf21("5","5","5","1","3","4","4","1") = "4"
    & skf21("5","5","5","1","3","4","5","1") = "4"
    & skf21("5","5","5","1","3","4","6","1") = "5"
    & skf21("5","5","5","1","3","4","7","1") = "6"
    & skf21("5","5","5","1","3","5","1","1") = "4"
    & skf21("5","5","5","1","3","5","2","1") = "4"
    & skf21("5","5","5","1","3","5","3","1") = "4"
    & skf21("5","5","5","1","3","5","4","1") = "4"
    & skf21("5","5","5","1","3","5","5","1") = "4"
    & skf21("5","5","5","1","3","5","6","1") = "5"
    & skf21("5","5","5","1","3","5","7","1") = "6"
    & skf21("5","5","5","1","3","6","1","1") = "5"
    & skf21("5","5","5","1","3","6","2","1") = "5"
    & skf21("5","5","5","1","3","6","3","1") = "5"
    & skf21("5","5","5","1","3","6","4","1") = "5"
    & skf21("5","5","5","1","3","6","5","1") = "5"
    & skf21("5","5","5","1","3","6","6","1") = "5"
    & skf21("5","5","5","1","3","6","7","1") = "6"
    & skf21("5","5","5","1","3","7","1","1") = "6"
    & skf21("5","5","5","1","3","7","2","1") = "6"
    & skf21("5","5","5","1","3","7","3","1") = "6"
    & skf21("5","5","5","1","3","7","4","1") = "6"
    & skf21("5","5","5","1","3","7","5","1") = "6"
    & skf21("5","5","5","1","3","7","6","1") = "6"
    & skf21("5","5","5","1","3","7","7","1") = "6"
    & skf21("5","5","5","1","4","1","1","1") = "4"
    & skf21("5","5","5","1","4","1","2","1") = "4"
    & skf21("5","5","5","1","4","1","3","1") = "4"
    & skf21("5","5","5","1","4","1","4","1") = "4"
    & skf21("5","5","5","1","4","1","5","1") = "4"
    & skf21("5","5","5","1","4","1","6","1") = "5"
    & skf21("5","5","5","1","4","1","7","1") = "6"
    & skf21("5","5","5","1","4","2","1","1") = "4"
    & skf21("5","5","5","1","4","2","2","1") = "4"
    & skf21("5","5","5","1","4","2","3","1") = "4"
    & skf21("5","5","5","1","4","2","4","1") = "4"
    & skf21("5","5","5","1","4","2","5","1") = "4"
    & skf21("5","5","5","1","4","2","6","1") = "5"
    & skf21("5","5","5","1","4","2","7","1") = "6"
    & skf21("5","5","5","1","4","3","1","1") = "4"
    & skf21("5","5","5","1","4","3","2","1") = "4"
    & skf21("5","5","5","1","4","3","3","1") = "4"
    & skf21("5","5","5","1","4","3","4","1") = "4"
    & skf21("5","5","5","1","4","3","5","1") = "4"
    & skf21("5","5","5","1","4","3","6","1") = "5"
    & skf21("5","5","5","1","4","3","7","1") = "6"
    & skf21("5","5","5","1","4","4","1","1") = "4"
    & skf21("5","5","5","1","4","4","2","1") = "4"
    & skf21("5","5","5","1","4","4","3","1") = "4"
    & skf21("5","5","5","1","4","4","4","1") = "4"
    & skf21("5","5","5","1","4","4","5","1") = "4"
    & skf21("5","5","5","1","4","4","6","1") = "5"
    & skf21("5","5","5","1","4","4","7","1") = "6"
    & skf21("5","5","5","1","4","5","1","1") = "4"
    & skf21("5","5","5","1","4","5","2","1") = "4"
    & skf21("5","5","5","1","4","5","3","1") = "4"
    & skf21("5","5","5","1","4","5","4","1") = "4"
    & skf21("5","5","5","1","4","5","5","1") = "4"
    & skf21("5","5","5","1","4","5","6","1") = "5"
    & skf21("5","5","5","1","4","5","7","1") = "6"
    & skf21("5","5","5","1","4","6","1","1") = "5"
    & skf21("5","5","5","1","4","6","2","1") = "5"
    & skf21("5","5","5","1","4","6","3","1") = "5"
    & skf21("5","5","5","1","4","6","4","1") = "5"
    & skf21("5","5","5","1","4","6","5","1") = "5"
    & skf21("5","5","5","1","4","6","6","1") = "5"
    & skf21("5","5","5","1","4","6","7","1") = "6"
    & skf21("5","5","5","1","4","7","1","1") = "6"
    & skf21("5","5","5","1","4","7","2","1") = "6"
    & skf21("5","5","5","1","4","7","3","1") = "6"
    & skf21("5","5","5","1","4","7","4","1") = "6"
    & skf21("5","5","5","1","4","7","5","1") = "6"
    & skf21("5","5","5","1","4","7","6","1") = "6"
    & skf21("5","5","5","1","4","7","7","1") = "6"
    & skf21("5","5","5","1","5","1","1","1") = "4"
    & skf21("5","5","5","1","5","1","2","1") = "4"
    & skf21("5","5","5","1","5","1","3","1") = "4"
    & skf21("5","5","5","1","5","1","4","1") = "4"
    & skf21("5","5","5","1","5","1","5","1") = "4"
    & skf21("5","5","5","1","5","1","6","1") = "5"
    & skf21("5","5","5","1","5","1","7","1") = "6"
    & skf21("5","5","5","1","5","2","1","1") = "4"
    & skf21("5","5","5","1","5","2","2","1") = "4"
    & skf21("5","5","5","1","5","2","3","1") = "4"
    & skf21("5","5","5","1","5","2","4","1") = "4"
    & skf21("5","5","5","1","5","2","5","1") = "4"
    & skf21("5","5","5","1","5","2","6","1") = "5"
    & skf21("5","5","5","1","5","2","7","1") = "6"
    & skf21("5","5","5","1","5","3","1","1") = "4"
    & skf21("5","5","5","1","5","3","2","1") = "4"
    & skf21("5","5","5","1","5","3","3","1") = "4"
    & skf21("5","5","5","1","5","3","4","1") = "4"
    & skf21("5","5","5","1","5","3","5","1") = "4"
    & skf21("5","5","5","1","5","3","6","1") = "5"
    & skf21("5","5","5","1","5","3","7","1") = "6"
    & skf21("5","5","5","1","5","4","1","1") = "4"
    & skf21("5","5","5","1","5","4","2","1") = "4"
    & skf21("5","5","5","1","5","4","3","1") = "4"
    & skf21("5","5","5","1","5","4","4","1") = "4"
    & skf21("5","5","5","1","5","4","5","1") = "4"
    & skf21("5","5","5","1","5","4","6","1") = "5"
    & skf21("5","5","5","1","5","4","7","1") = "6"
    & skf21("5","5","5","1","5","5","1","1") = "4"
    & skf21("5","5","5","1","5","5","2","1") = "4"
    & skf21("5","5","5","1","5","5","3","1") = "4"
    & skf21("5","5","5","1","5","5","4","1") = "4"
    & skf21("5","5","5","1","5","5","5","1") = "4"
    & skf21("5","5","5","1","5","5","6","1") = "5"
    & skf21("5","5","5","1","5","5","7","1") = "6"
    & skf21("5","5","5","1","5","6","1","1") = "5"
    & skf21("5","5","5","1","5","6","2","1") = "5"
    & skf21("5","5","5","1","5","6","3","1") = "5"
    & skf21("5","5","5","1","5","6","4","1") = "5"
    & skf21("5","5","5","1","5","6","5","1") = "5"
    & skf21("5","5","5","1","5","6","6","1") = "5"
    & skf21("5","5","5","1","5","6","7","1") = "6"
    & skf21("5","5","5","1","5","7","1","1") = "6"
    & skf21("5","5","5","1","5","7","2","1") = "6"
    & skf21("5","5","5","1","5","7","3","1") = "6"
    & skf21("5","5","5","1","5","7","4","1") = "6"
    & skf21("5","5","5","1","5","7","5","1") = "6"
    & skf21("5","5","5","1","5","7","6","1") = "6"
    & skf21("5","5","5","1","5","7","7","1") = "6"
    & skf21("5","5","5","1","6","1","1","1") = "5"
    & skf21("5","5","5","1","6","1","2","1") = "5"
    & skf21("5","5","5","1","6","1","3","1") = "5"
    & skf21("5","5","5","1","6","1","4","1") = "5"
    & skf21("5","5","5","1","6","1","5","1") = "5"
    & skf21("5","5","5","1","6","1","6","1") = "5"
    & skf21("5","5","5","1","6","1","7","1") = "6"
    & skf21("5","5","5","1","6","2","1","1") = "5"
    & skf21("5","5","5","1","6","2","2","1") = "5"
    & skf21("5","5","5","1","6","2","3","1") = "5"
    & skf21("5","5","5","1","6","2","4","1") = "5"
    & skf21("5","5","5","1","6","2","5","1") = "5"
    & skf21("5","5","5","1","6","2","6","1") = "5"
    & skf21("5","5","5","1","6","2","7","1") = "6"
    & skf21("5","5","5","1","6","3","1","1") = "5"
    & skf21("5","5","5","1","6","3","2","1") = "5"
    & skf21("5","5","5","1","6","3","3","1") = "5"
    & skf21("5","5","5","1","6","3","4","1") = "5"
    & skf21("5","5","5","1","6","3","5","1") = "5"
    & skf21("5","5","5","1","6","3","6","1") = "5"
    & skf21("5","5","5","1","6","3","7","1") = "6"
    & skf21("5","5","5","1","6","4","1","1") = "5"
    & skf21("5","5","5","1","6","4","2","1") = "5"
    & skf21("5","5","5","1","6","4","3","1") = "5"
    & skf21("5","5","5","1","6","4","4","1") = "5"
    & skf21("5","5","5","1","6","4","5","1") = "5"
    & skf21("5","5","5","1","6","4","6","1") = "5"
    & skf21("5","5","5","1","6","4","7","1") = "6"
    & skf21("5","5","5","1","6","5","1","1") = "5"
    & skf21("5","5","5","1","6","5","2","1") = "5"
    & skf21("5","5","5","1","6","5","3","1") = "5"
    & skf21("5","5","5","1","6","5","4","1") = "5"
    & skf21("5","5","5","1","6","5","5","1") = "5"
    & skf21("5","5","5","1","6","5","6","1") = "5"
    & skf21("5","5","5","1","6","5","7","1") = "6"
    & skf21("5","5","5","1","6","6","1","1") = "5"
    & skf21("5","5","5","1","6","6","2","1") = "5"
    & skf21("5","5","5","1","6","6","3","1") = "5"
    & skf21("5","5","5","1","6","6","4","1") = "5"
    & skf21("5","5","5","1","6","6","5","1") = "5"
    & skf21("5","5","5","1","6","6","6","1") = "5"
    & skf21("5","5","5","1","6","6","7","1") = "6"
    & skf21("5","5","5","1","6","7","1","1") = "6"
    & skf21("5","5","5","1","6","7","2","1") = "6"
    & skf21("5","5","5","1","6","7","3","1") = "6"
    & skf21("5","5","5","1","6","7","4","1") = "6"
    & skf21("5","5","5","1","6","7","5","1") = "6"
    & skf21("5","5","5","1","6","7","6","1") = "6"
    & skf21("5","5","5","1","6","7","7","1") = "6"
    & skf21("5","5","5","1","7","1","1","1") = "6"
    & skf21("5","5","5","1","7","1","2","1") = "6"
    & skf21("5","5","5","1","7","1","3","1") = "6"
    & skf21("5","5","5","1","7","1","4","1") = "6"
    & skf21("5","5","5","1","7","1","5","1") = "6"
    & skf21("5","5","5","1","7","1","6","1") = "6"
    & skf21("5","5","5","1","7","1","7","1") = "6"
    & skf21("5","5","5","1","7","2","1","1") = "6"
    & skf21("5","5","5","1","7","2","2","1") = "6"
    & skf21("5","5","5","1","7","2","3","1") = "6"
    & skf21("5","5","5","1","7","2","4","1") = "6"
    & skf21("5","5","5","1","7","2","5","1") = "6"
    & skf21("5","5","5","1","7","2","6","1") = "6"
    & skf21("5","5","5","1","7","2","7","1") = "6"
    & skf21("5","5","5","1","7","3","1","1") = "6"
    & skf21("5","5","5","1","7","3","2","1") = "6"
    & skf21("5","5","5","1","7","3","3","1") = "6"
    & skf21("5","5","5","1","7","3","4","1") = "6"
    & skf21("5","5","5","1","7","3","5","1") = "6"
    & skf21("5","5","5","1","7","3","6","1") = "6"
    & skf21("5","5","5","1","7","3","7","1") = "6"
    & skf21("5","5","5","1","7","4","1","1") = "6"
    & skf21("5","5","5","1","7","4","2","1") = "6"
    & skf21("5","5","5","1","7","4","3","1") = "6"
    & skf21("5","5","5","1","7","4","4","1") = "6"
    & skf21("5","5","5","1","7","4","5","1") = "6"
    & skf21("5","5","5","1","7","4","6","1") = "6"
    & skf21("5","5","5","1","7","4","7","1") = "6"
    & skf21("5","5","5","1","7","5","1","1") = "6"
    & skf21("5","5","5","1","7","5","2","1") = "6"
    & skf21("5","5","5","1","7","5","3","1") = "6"
    & skf21("5","5","5","1","7","5","4","1") = "6"
    & skf21("5","5","5","1","7","5","5","1") = "6"
    & skf21("5","5","5","1","7","5","6","1") = "6"
    & skf21("5","5","5","1","7","5","7","1") = "6"
    & skf21("5","5","5","1","7","6","1","1") = "6"
    & skf21("5","5","5","1","7","6","2","1") = "6"
    & skf21("5","5","5","1","7","6","3","1") = "6"
    & skf21("5","5","5","1","7","6","4","1") = "6"
    & skf21("5","5","5","1","7","6","5","1") = "6"
    & skf21("5","5","5","1","7","6","6","1") = "6"
    & skf21("5","5","5","1","7","6","7","1") = "6"
    & skf21("5","5","5","1","7","7","1","1") = "6"
    & skf21("5","5","5","1","7","7","2","1") = "6"
    & skf21("5","5","5","1","7","7","3","1") = "6"
    & skf21("5","5","5","1","7","7","4","1") = "6"
    & skf21("5","5","5","1","7","7","5","1") = "6"
    & skf21("5","5","5","1","7","7","6","1") = "6"
    & skf21("5","5","5","1","7","7","7","1") = "6"
    & skf21("5","5","5","2","1","1","1","1") = "4"
    & skf21("5","5","5","2","1","1","2","1") = "4"
    & skf21("5","5","5","2","1","1","3","1") = "4"
    & skf21("5","5","5","2","1","1","4","1") = "4"
    & skf21("5","5","5","2","1","1","5","1") = "4"
    & skf21("5","5","5","2","1","1","6","1") = "5"
    & skf21("5","5","5","2","1","1","7","1") = "6"
    & skf21("5","5","5","2","1","2","1","1") = "4"
    & skf21("5","5","5","2","1","2","2","1") = "4"
    & skf21("5","5","5","2","1","2","3","1") = "4"
    & skf21("5","5","5","2","1","2","4","1") = "4"
    & skf21("5","5","5","2","1","2","5","1") = "4"
    & skf21("5","5","5","2","1","2","6","1") = "5"
    & skf21("5","5","5","2","1","2","7","1") = "6"
    & skf21("5","5","5","2","1","3","1","1") = "4"
    & skf21("5","5","5","2","1","3","2","1") = "4"
    & skf21("5","5","5","2","1","3","3","1") = "4"
    & skf21("5","5","5","2","1","3","4","1") = "4"
    & skf21("5","5","5","2","1","3","5","1") = "4"
    & skf21("5","5","5","2","1","3","6","1") = "5"
    & skf21("5","5","5","2","1","3","7","1") = "6"
    & skf21("5","5","5","2","1","4","1","1") = "4"
    & skf21("5","5","5","2","1","4","2","1") = "4"
    & skf21("5","5","5","2","1","4","3","1") = "4"
    & skf21("5","5","5","2","1","4","4","1") = "4"
    & skf21("5","5","5","2","1","4","5","1") = "4"
    & skf21("5","5","5","2","1","4","6","1") = "5"
    & skf21("5","5","5","2","1","4","7","1") = "6"
    & skf21("5","5","5","2","1","5","1","1") = "4"
    & skf21("5","5","5","2","1","5","2","1") = "4"
    & skf21("5","5","5","2","1","5","3","1") = "4"
    & skf21("5","5","5","2","1","5","4","1") = "4"
    & skf21("5","5","5","2","1","5","5","1") = "4"
    & skf21("5","5","5","2","1","5","6","1") = "5"
    & skf21("5","5","5","2","1","5","7","1") = "6"
    & skf21("5","5","5","2","1","6","1","1") = "5"
    & skf21("5","5","5","2","1","6","2","1") = "5"
    & skf21("5","5","5","2","1","6","3","1") = "5"
    & skf21("5","5","5","2","1","6","4","1") = "5"
    & skf21("5","5","5","2","1","6","5","1") = "5"
    & skf21("5","5","5","2","1","6","6","1") = "5"
    & skf21("5","5","5","2","1","6","7","1") = "6"
    & skf21("5","5","5","2","1","7","1","1") = "6"
    & skf21("5","5","5","2","1","7","2","1") = "6"
    & skf21("5","5","5","2","1","7","3","1") = "6"
    & skf21("5","5","5","2","1","7","4","1") = "6"
    & skf21("5","5","5","2","1","7","5","1") = "6"
    & skf21("5","5","5","2","1","7","6","1") = "6"
    & skf21("5","5","5","2","1","7","7","1") = "6"
    & skf21("5","5","5","2","2","1","1","1") = "4"
    & skf21("5","5","5","2","2","1","2","1") = "4"
    & skf21("5","5","5","2","2","1","3","1") = "4"
    & skf21("5","5","5","2","2","1","4","1") = "4"
    & skf21("5","5","5","2","2","1","5","1") = "4"
    & skf21("5","5","5","2","2","1","6","1") = "5"
    & skf21("5","5","5","2","2","1","7","1") = "6"
    & skf21("5","5","5","2","2","2","1","1") = "4"
    & skf21("5","5","5","2","2","2","2","1") = "4"
    & skf21("5","5","5","2","2","2","3","1") = "4"
    & skf21("5","5","5","2","2","2","4","1") = "4"
    & skf21("5","5","5","2","2","2","5","1") = "4"
    & skf21("5","5","5","2","2","2","6","1") = "5"
    & skf21("5","5","5","2","2","2","7","1") = "6"
    & skf21("5","5","5","2","2","3","1","1") = "4"
    & skf21("5","5","5","2","2","3","2","1") = "4"
    & skf21("5","5","5","2","2","3","3","1") = "4"
    & skf21("5","5","5","2","2","3","4","1") = "4"
    & skf21("5","5","5","2","2","3","5","1") = "4"
    & skf21("5","5","5","2","2","3","6","1") = "5"
    & skf21("5","5","5","2","2","3","7","1") = "6"
    & skf21("5","5","5","2","2","4","1","1") = "4"
    & skf21("5","5","5","2","2","4","2","1") = "4"
    & skf21("5","5","5","2","2","4","3","1") = "4"
    & skf21("5","5","5","2","2","4","4","1") = "4"
    & skf21("5","5","5","2","2","4","5","1") = "4"
    & skf21("5","5","5","2","2","4","6","1") = "5"
    & skf21("5","5","5","2","2","4","7","1") = "6"
    & skf21("5","5","5","2","2","5","1","1") = "4"
    & skf21("5","5","5","2","2","5","2","1") = "4"
    & skf21("5","5","5","2","2","5","3","1") = "4"
    & skf21("5","5","5","2","2","5","4","1") = "4"
    & skf21("5","5","5","2","2","5","5","1") = "4"
    & skf21("5","5","5","2","2","5","6","1") = "5"
    & skf21("5","5","5","2","2","5","7","1") = "6"
    & skf21("5","5","5","2","2","6","1","1") = "5"
    & skf21("5","5","5","2","2","6","2","1") = "5"
    & skf21("5","5","5","2","2","6","3","1") = "5"
    & skf21("5","5","5","2","2","6","4","1") = "5"
    & skf21("5","5","5","2","2","6","5","1") = "5"
    & skf21("5","5","5","2","2","6","6","1") = "5"
    & skf21("5","5","5","2","2","6","7","1") = "6"
    & skf21("5","5","5","2","2","7","1","1") = "6"
    & skf21("5","5","5","2","2","7","2","1") = "6"
    & skf21("5","5","5","2","2","7","3","1") = "6"
    & skf21("5","5","5","2","2","7","4","1") = "6"
    & skf21("5","5","5","2","2","7","5","1") = "6"
    & skf21("5","5","5","2","2","7","6","1") = "6"
    & skf21("5","5","5","2","2","7","7","1") = "6"
    & skf21("5","5","5","2","3","1","1","1") = "4"
    & skf21("5","5","5","2","3","1","2","1") = "4"
    & skf21("5","5","5","2","3","1","3","1") = "4"
    & skf21("5","5","5","2","3","1","4","1") = "4"
    & skf21("5","5","5","2","3","1","5","1") = "4"
    & skf21("5","5","5","2","3","1","6","1") = "5"
    & skf21("5","5","5","2","3","1","7","1") = "6"
    & skf21("5","5","5","2","3","2","1","1") = "4"
    & skf21("5","5","5","2","3","2","2","1") = "4"
    & skf21("5","5","5","2","3","2","3","1") = "4"
    & skf21("5","5","5","2","3","2","4","1") = "4"
    & skf21("5","5","5","2","3","2","5","1") = "4"
    & skf21("5","5","5","2","3","2","6","1") = "5"
    & skf21("5","5","5","2","3","2","7","1") = "6"
    & skf21("5","5","5","2","3","3","1","1") = "4"
    & skf21("5","5","5","2","3","3","2","1") = "4"
    & skf21("5","5","5","2","3","3","3","1") = "4"
    & skf21("5","5","5","2","3","3","4","1") = "4"
    & skf21("5","5","5","2","3","3","5","1") = "4"
    & skf21("5","5","5","2","3","3","6","1") = "5"
    & skf21("5","5","5","2","3","3","7","1") = "6"
    & skf21("5","5","5","2","3","4","1","1") = "4"
    & skf21("5","5","5","2","3","4","2","1") = "4"
    & skf21("5","5","5","2","3","4","3","1") = "4"
    & skf21("5","5","5","2","3","4","4","1") = "4"
    & skf21("5","5","5","2","3","4","5","1") = "4"
    & skf21("5","5","5","2","3","4","6","1") = "5"
    & skf21("5","5","5","2","3","4","7","1") = "6"
    & skf21("5","5","5","2","3","5","1","1") = "4"
    & skf21("5","5","5","2","3","5","2","1") = "4"
    & skf21("5","5","5","2","3","5","3","1") = "4"
    & skf21("5","5","5","2","3","5","4","1") = "4"
    & skf21("5","5","5","2","3","5","5","1") = "4"
    & skf21("5","5","5","2","3","5","6","1") = "5"
    & skf21("5","5","5","2","3","5","7","1") = "6"
    & skf21("5","5","5","2","3","6","1","1") = "5"
    & skf21("5","5","5","2","3","6","2","1") = "5"
    & skf21("5","5","5","2","3","6","3","1") = "5"
    & skf21("5","5","5","2","3","6","4","1") = "5"
    & skf21("5","5","5","2","3","6","5","1") = "5"
    & skf21("5","5","5","2","3","6","6","1") = "5"
    & skf21("5","5","5","2","3","6","7","1") = "6"
    & skf21("5","5","5","2","3","7","1","1") = "6"
    & skf21("5","5","5","2","3","7","2","1") = "6"
    & skf21("5","5","5","2","3","7","3","1") = "6"
    & skf21("5","5","5","2","3","7","4","1") = "6"
    & skf21("5","5","5","2","3","7","5","1") = "6"
    & skf21("5","5","5","2","3","7","6","1") = "6"
    & skf21("5","5","5","2","3","7","7","1") = "6"
    & skf21("5","5","5","2","4","1","1","1") = "4"
    & skf21("5","5","5","2","4","1","2","1") = "4"
    & skf21("5","5","5","2","4","1","3","1") = "4"
    & skf21("5","5","5","2","4","1","4","1") = "4"
    & skf21("5","5","5","2","4","1","5","1") = "4"
    & skf21("5","5","5","2","4","1","6","1") = "5"
    & skf21("5","5","5","2","4","1","7","1") = "6"
    & skf21("5","5","5","2","4","2","1","1") = "4"
    & skf21("5","5","5","2","4","2","2","1") = "4"
    & skf21("5","5","5","2","4","2","3","1") = "4"
    & skf21("5","5","5","2","4","2","4","1") = "4"
    & skf21("5","5","5","2","4","2","5","1") = "4"
    & skf21("5","5","5","2","4","2","6","1") = "5"
    & skf21("5","5","5","2","4","2","7","1") = "6"
    & skf21("5","5","5","2","4","3","1","1") = "4"
    & skf21("5","5","5","2","4","3","2","1") = "4"
    & skf21("5","5","5","2","4","3","3","1") = "4"
    & skf21("5","5","5","2","4","3","4","1") = "4"
    & skf21("5","5","5","2","4","3","5","1") = "4"
    & skf21("5","5","5","2","4","3","6","1") = "5"
    & skf21("5","5","5","2","4","3","7","1") = "6"
    & skf21("5","5","5","2","4","4","1","1") = "4"
    & skf21("5","5","5","2","4","4","2","1") = "4"
    & skf21("5","5","5","2","4","4","3","1") = "4"
    & skf21("5","5","5","2","4","4","4","1") = "4"
    & skf21("5","5","5","2","4","4","5","1") = "4"
    & skf21("5","5","5","2","4","4","6","1") = "5"
    & skf21("5","5","5","2","4","4","7","1") = "6"
    & skf21("5","5","5","2","4","5","1","1") = "4"
    & skf21("5","5","5","2","4","5","2","1") = "4"
    & skf21("5","5","5","2","4","5","3","1") = "4"
    & skf21("5","5","5","2","4","5","4","1") = "4"
    & skf21("5","5","5","2","4","5","5","1") = "4"
    & skf21("5","5","5","2","4","5","6","1") = "5"
    & skf21("5","5","5","2","4","5","7","1") = "6"
    & skf21("5","5","5","2","4","6","1","1") = "5"
    & skf21("5","5","5","2","4","6","2","1") = "5"
    & skf21("5","5","5","2","4","6","3","1") = "5"
    & skf21("5","5","5","2","4","6","4","1") = "5"
    & skf21("5","5","5","2","4","6","5","1") = "5"
    & skf21("5","5","5","2","4","6","6","1") = "5"
    & skf21("5","5","5","2","4","6","7","1") = "6"
    & skf21("5","5","5","2","4","7","1","1") = "6"
    & skf21("5","5","5","2","4","7","2","1") = "6"
    & skf21("5","5","5","2","4","7","3","1") = "6"
    & skf21("5","5","5","2","4","7","4","1") = "6"
    & skf21("5","5","5","2","4","7","5","1") = "6"
    & skf21("5","5","5","2","4","7","6","1") = "6"
    & skf21("5","5","5","2","4","7","7","1") = "6"
    & skf21("5","5","5","2","5","1","1","1") = "4"
    & skf21("5","5","5","2","5","1","2","1") = "4"
    & skf21("5","5","5","2","5","1","3","1") = "4"
    & skf21("5","5","5","2","5","1","4","1") = "4"
    & skf21("5","5","5","2","5","1","5","1") = "4"
    & skf21("5","5","5","2","5","1","6","1") = "5"
    & skf21("5","5","5","2","5","1","7","1") = "6"
    & skf21("5","5","5","2","5","2","1","1") = "4"
    & skf21("5","5","5","2","5","2","2","1") = "4"
    & skf21("5","5","5","2","5","2","3","1") = "4"
    & skf21("5","5","5","2","5","2","4","1") = "4"
    & skf21("5","5","5","2","5","2","5","1") = "4"
    & skf21("5","5","5","2","5","2","6","1") = "5"
    & skf21("5","5","5","2","5","2","7","1") = "6"
    & skf21("5","5","5","2","5","3","1","1") = "4"
    & skf21("5","5","5","2","5","3","2","1") = "4"
    & skf21("5","5","5","2","5","3","3","1") = "4"
    & skf21("5","5","5","2","5","3","4","1") = "4"
    & skf21("5","5","5","2","5","3","5","1") = "4"
    & skf21("5","5","5","2","5","3","6","1") = "5"
    & skf21("5","5","5","2","5","3","7","1") = "6"
    & skf21("5","5","5","2","5","4","1","1") = "4"
    & skf21("5","5","5","2","5","4","2","1") = "4"
    & skf21("5","5","5","2","5","4","3","1") = "4"
    & skf21("5","5","5","2","5","4","4","1") = "4"
    & skf21("5","5","5","2","5","4","5","1") = "4"
    & skf21("5","5","5","2","5","4","6","1") = "5"
    & skf21("5","5","5","2","5","4","7","1") = "6"
    & skf21("5","5","5","2","5","5","1","1") = "4"
    & skf21("5","5","5","2","5","5","2","1") = "4"
    & skf21("5","5","5","2","5","5","3","1") = "4"
    & skf21("5","5","5","2","5","5","4","1") = "4"
    & skf21("5","5","5","2","5","5","5","1") = "4"
    & skf21("5","5","5","2","5","5","6","1") = "5"
    & skf21("5","5","5","2","5","5","7","1") = "6"
    & skf21("5","5","5","2","5","6","1","1") = "5"
    & skf21("5","5","5","2","5","6","2","1") = "5"
    & skf21("5","5","5","2","5","6","3","1") = "5"
    & skf21("5","5","5","2","5","6","4","1") = "5"
    & skf21("5","5","5","2","5","6","5","1") = "5"
    & skf21("5","5","5","2","5","6","6","1") = "5"
    & skf21("5","5","5","2","5","6","7","1") = "6"
    & skf21("5","5","5","2","5","7","1","1") = "6"
    & skf21("5","5","5","2","5","7","2","1") = "6"
    & skf21("5","5","5","2","5","7","3","1") = "6"
    & skf21("5","5","5","2","5","7","4","1") = "6"
    & skf21("5","5","5","2","5","7","5","1") = "6"
    & skf21("5","5","5","2","5","7","6","1") = "6"
    & skf21("5","5","5","2","5","7","7","1") = "6"
    & skf21("5","5","5","2","6","1","1","1") = "5"
    & skf21("5","5","5","2","6","1","2","1") = "5"
    & skf21("5","5","5","2","6","1","3","1") = "5"
    & skf21("5","5","5","2","6","1","4","1") = "5"
    & skf21("5","5","5","2","6","1","5","1") = "5"
    & skf21("5","5","5","2","6","1","6","1") = "5"
    & skf21("5","5","5","2","6","1","7","1") = "6"
    & skf21("5","5","5","2","6","2","1","1") = "5"
    & skf21("5","5","5","2","6","2","2","1") = "5"
    & skf21("5","5","5","2","6","2","3","1") = "5"
    & skf21("5","5","5","2","6","2","4","1") = "5"
    & skf21("5","5","5","2","6","2","5","1") = "5"
    & skf21("5","5","5","2","6","2","6","1") = "5"
    & skf21("5","5","5","2","6","2","7","1") = "6"
    & skf21("5","5","5","2","6","3","1","1") = "5"
    & skf21("5","5","5","2","6","3","2","1") = "5"
    & skf21("5","5","5","2","6","3","3","1") = "5"
    & skf21("5","5","5","2","6","3","4","1") = "5"
    & skf21("5","5","5","2","6","3","5","1") = "5"
    & skf21("5","5","5","2","6","3","6","1") = "5"
    & skf21("5","5","5","2","6","3","7","1") = "6"
    & skf21("5","5","5","2","6","4","1","1") = "5"
    & skf21("5","5","5","2","6","4","2","1") = "5"
    & skf21("5","5","5","2","6","4","3","1") = "5"
    & skf21("5","5","5","2","6","4","4","1") = "5"
    & skf21("5","5","5","2","6","4","5","1") = "5"
    & skf21("5","5","5","2","6","4","6","1") = "5"
    & skf21("5","5","5","2","6","4","7","1") = "6"
    & skf21("5","5","5","2","6","5","1","1") = "5"
    & skf21("5","5","5","2","6","5","2","1") = "5"
    & skf21("5","5","5","2","6","5","3","1") = "5"
    & skf21("5","5","5","2","6","5","4","1") = "5"
    & skf21("5","5","5","2","6","5","5","1") = "5"
    & skf21("5","5","5","2","6","5","6","1") = "5"
    & skf21("5","5","5","2","6","5","7","1") = "6"
    & skf21("5","5","5","2","6","6","1","1") = "5"
    & skf21("5","5","5","2","6","6","2","1") = "5"
    & skf21("5","5","5","2","6","6","3","1") = "5"
    & skf21("5","5","5","2","6","6","4","1") = "5"
    & skf21("5","5","5","2","6","6","5","1") = "5"
    & skf21("5","5","5","2","6","6","6","1") = "5"
    & skf21("5","5","5","2","6","6","7","1") = "6"
    & skf21("5","5","5","2","6","7","1","1") = "6"
    & skf21("5","5","5","2","6","7","2","1") = "6"
    & skf21("5","5","5","2","6","7","3","1") = "6"
    & skf21("5","5","5","2","6","7","4","1") = "6"
    & skf21("5","5","5","2","6","7","5","1") = "6"
    & skf21("5","5","5","2","6","7","6","1") = "6"
    & skf21("5","5","5","2","6","7","7","1") = "6"
    & skf21("5","5","5","2","7","1","1","1") = "6"
    & skf21("5","5","5","2","7","1","2","1") = "6"
    & skf21("5","5","5","2","7","1","3","1") = "6"
    & skf21("5","5","5","2","7","1","4","1") = "6"
    & skf21("5","5","5","2","7","1","5","1") = "6"
    & skf21("5","5","5","2","7","1","6","1") = "6"
    & skf21("5","5","5","2","7","1","7","1") = "6"
    & skf21("5","5","5","2","7","2","1","1") = "6"
    & skf21("5","5","5","2","7","2","2","1") = "6"
    & skf21("5","5","5","2","7","2","3","1") = "6"
    & skf21("5","5","5","2","7","2","4","1") = "6"
    & skf21("5","5","5","2","7","2","5","1") = "6"
    & skf21("5","5","5","2","7","2","6","1") = "6"
    & skf21("5","5","5","2","7","2","7","1") = "6"
    & skf21("5","5","5","2","7","3","1","1") = "6"
    & skf21("5","5","5","2","7","3","2","1") = "6"
    & skf21("5","5","5","2","7","3","3","1") = "6"
    & skf21("5","5","5","2","7","3","4","1") = "6"
    & skf21("5","5","5","2","7","3","5","1") = "6"
    & skf21("5","5","5","2","7","3","6","1") = "6"
    & skf21("5","5","5","2","7","3","7","1") = "6"
    & skf21("5","5","5","2","7","4","1","1") = "6"
    & skf21("5","5","5","2","7","4","2","1") = "6"
    & skf21("5","5","5","2","7","4","3","1") = "6"
    & skf21("5","5","5","2","7","4","4","1") = "6"
    & skf21("5","5","5","2","7","4","5","1") = "6"
    & skf21("5","5","5","2","7","4","6","1") = "6"
    & skf21("5","5","5","2","7","4","7","1") = "6"
    & skf21("5","5","5","2","7","5","1","1") = "6"
    & skf21("5","5","5","2","7","5","2","1") = "6"
    & skf21("5","5","5","2","7","5","3","1") = "6"
    & skf21("5","5","5","2","7","5","4","1") = "6"
    & skf21("5","5","5","2","7","5","5","1") = "6"
    & skf21("5","5","5","2","7","5","6","1") = "6"
    & skf21("5","5","5","2","7","5","7","1") = "6"
    & skf21("5","5","5","2","7","6","1","1") = "6"
    & skf21("5","5","5","2","7","6","2","1") = "6"
    & skf21("5","5","5","2","7","6","3","1") = "6"
    & skf21("5","5","5","2","7","6","4","1") = "6"
    & skf21("5","5","5","2","7","6","5","1") = "6"
    & skf21("5","5","5","2","7","6","6","1") = "6"
    & skf21("5","5","5","2","7","6","7","1") = "6"
    & skf21("5","5","5","2","7","7","1","1") = "6"
    & skf21("5","5","5","2","7","7","2","1") = "6"
    & skf21("5","5","5","2","7","7","3","1") = "6"
    & skf21("5","5","5","2","7","7","4","1") = "6"
    & skf21("5","5","5","2","7","7","5","1") = "6"
    & skf21("5","5","5","2","7","7","6","1") = "6"
    & skf21("5","5","5","2","7","7","7","1") = "6"
    & skf21("5","5","5","3","1","1","1","1") = "4"
    & skf21("5","5","5","3","1","1","2","1") = "4"
    & skf21("5","5","5","3","1","1","3","1") = "4"
    & skf21("5","5","5","3","1","1","4","1") = "4"
    & skf21("5","5","5","3","1","1","5","1") = "4"
    & skf21("5","5","5","3","1","1","6","1") = "5"
    & skf21("5","5","5","3","1","1","7","1") = "6"
    & skf21("5","5","5","3","1","2","1","1") = "4"
    & skf21("5","5","5","3","1","2","2","1") = "4"
    & skf21("5","5","5","3","1","2","3","1") = "4"
    & skf21("5","5","5","3","1","2","4","1") = "4"
    & skf21("5","5","5","3","1","2","5","1") = "4"
    & skf21("5","5","5","3","1","2","6","1") = "5"
    & skf21("5","5","5","3","1","2","7","1") = "6"
    & skf21("5","5","5","3","1","3","1","1") = "4"
    & skf21("5","5","5","3","1","3","2","1") = "4"
    & skf21("5","5","5","3","1","3","3","1") = "4"
    & skf21("5","5","5","3","1","3","4","1") = "4"
    & skf21("5","5","5","3","1","3","5","1") = "4"
    & skf21("5","5","5","3","1","3","6","1") = "5"
    & skf21("5","5","5","3","1","3","7","1") = "6"
    & skf21("5","5","5","3","1","4","1","1") = "4"
    & skf21("5","5","5","3","1","4","2","1") = "4"
    & skf21("5","5","5","3","1","4","3","1") = "4"
    & skf21("5","5","5","3","1","4","4","1") = "4"
    & skf21("5","5","5","3","1","4","5","1") = "4"
    & skf21("5","5","5","3","1","4","6","1") = "5"
    & skf21("5","5","5","3","1","4","7","1") = "6"
    & skf21("5","5","5","3","1","5","1","1") = "4"
    & skf21("5","5","5","3","1","5","2","1") = "4"
    & skf21("5","5","5","3","1","5","3","1") = "4"
    & skf21("5","5","5","3","1","5","4","1") = "4"
    & skf21("5","5","5","3","1","5","5","1") = "4"
    & skf21("5","5","5","3","1","5","6","1") = "5"
    & skf21("5","5","5","3","1","5","7","1") = "6"
    & skf21("5","5","5","3","1","6","1","1") = "5"
    & skf21("5","5","5","3","1","6","2","1") = "5"
    & skf21("5","5","5","3","1","6","3","1") = "5"
    & skf21("5","5","5","3","1","6","4","1") = "5"
    & skf21("5","5","5","3","1","6","5","1") = "5"
    & skf21("5","5","5","3","1","6","6","1") = "5"
    & skf21("5","5","5","3","1","6","7","1") = "6"
    & skf21("5","5","5","3","1","7","1","1") = "6"
    & skf21("5","5","5","3","1","7","2","1") = "6"
    & skf21("5","5","5","3","1","7","3","1") = "6"
    & skf21("5","5","5","3","1","7","4","1") = "6"
    & skf21("5","5","5","3","1","7","5","1") = "6"
    & skf21("5","5","5","3","1","7","6","1") = "6"
    & skf21("5","5","5","3","1","7","7","1") = "6"
    & skf21("5","5","5","3","2","1","1","1") = "4"
    & skf21("5","5","5","3","2","1","2","1") = "4"
    & skf21("5","5","5","3","2","1","3","1") = "4"
    & skf21("5","5","5","3","2","1","4","1") = "4"
    & skf21("5","5","5","3","2","1","5","1") = "4"
    & skf21("5","5","5","3","2","1","6","1") = "5"
    & skf21("5","5","5","3","2","1","7","1") = "6"
    & skf21("5","5","5","3","2","2","1","1") = "4"
    & skf21("5","5","5","3","2","2","2","1") = "4"
    & skf21("5","5","5","3","2","2","3","1") = "4"
    & skf21("5","5","5","3","2","2","4","1") = "4"
    & skf21("5","5","5","3","2","2","5","1") = "4"
    & skf21("5","5","5","3","2","2","6","1") = "5"
    & skf21("5","5","5","3","2","2","7","1") = "6"
    & skf21("5","5","5","3","2","3","1","1") = "4"
    & skf21("5","5","5","3","2","3","2","1") = "4"
    & skf21("5","5","5","3","2","3","3","1") = "4"
    & skf21("5","5","5","3","2","3","4","1") = "4"
    & skf21("5","5","5","3","2","3","5","1") = "4"
    & skf21("5","5","5","3","2","3","6","1") = "5"
    & skf21("5","5","5","3","2","3","7","1") = "6"
    & skf21("5","5","5","3","2","4","1","1") = "4"
    & skf21("5","5","5","3","2","4","2","1") = "4"
    & skf21("5","5","5","3","2","4","3","1") = "4"
    & skf21("5","5","5","3","2","4","4","1") = "4"
    & skf21("5","5","5","3","2","4","5","1") = "4"
    & skf21("5","5","5","3","2","4","6","1") = "5"
    & skf21("5","5","5","3","2","4","7","1") = "6"
    & skf21("5","5","5","3","2","5","1","1") = "4"
    & skf21("5","5","5","3","2","5","2","1") = "4"
    & skf21("5","5","5","3","2","5","3","1") = "4"
    & skf21("5","5","5","3","2","5","4","1") = "4"
    & skf21("5","5","5","3","2","5","5","1") = "4"
    & skf21("5","5","5","3","2","5","6","1") = "5"
    & skf21("5","5","5","3","2","5","7","1") = "6"
    & skf21("5","5","5","3","2","6","1","1") = "5"
    & skf21("5","5","5","3","2","6","2","1") = "5"
    & skf21("5","5","5","3","2","6","3","1") = "5"
    & skf21("5","5","5","3","2","6","4","1") = "5"
    & skf21("5","5","5","3","2","6","5","1") = "5"
    & skf21("5","5","5","3","2","6","6","1") = "5"
    & skf21("5","5","5","3","2","6","7","1") = "6"
    & skf21("5","5","5","3","2","7","1","1") = "6"
    & skf21("5","5","5","3","2","7","2","1") = "6"
    & skf21("5","5","5","3","2","7","3","1") = "6"
    & skf21("5","5","5","3","2","7","4","1") = "6"
    & skf21("5","5","5","3","2","7","5","1") = "6"
    & skf21("5","5","5","3","2","7","6","1") = "6"
    & skf21("5","5","5","3","2","7","7","1") = "6"
    & skf21("5","5","5","3","3","1","1","1") = "4"
    & skf21("5","5","5","3","3","1","2","1") = "4"
    & skf21("5","5","5","3","3","1","3","1") = "4"
    & skf21("5","5","5","3","3","1","4","1") = "4"
    & skf21("5","5","5","3","3","1","5","1") = "4"
    & skf21("5","5","5","3","3","1","6","1") = "5"
    & skf21("5","5","5","3","3","1","7","1") = "6"
    & skf21("5","5","5","3","3","2","1","1") = "4"
    & skf21("5","5","5","3","3","2","2","1") = "4"
    & skf21("5","5","5","3","3","2","3","1") = "4"
    & skf21("5","5","5","3","3","2","4","1") = "4"
    & skf21("5","5","5","3","3","2","5","1") = "4"
    & skf21("5","5","5","3","3","2","6","1") = "5"
    & skf21("5","5","5","3","3","2","7","1") = "6"
    & skf21("5","5","5","3","3","3","1","1") = "4"
    & skf21("5","5","5","3","3","3","2","1") = "4"
    & skf21("5","5","5","3","3","3","3","1") = "4"
    & skf21("5","5","5","3","3","3","4","1") = "4"
    & skf21("5","5","5","3","3","3","5","1") = "4"
    & skf21("5","5","5","3","3","3","6","1") = "5"
    & skf21("5","5","5","3","3","3","7","1") = "6"
    & skf21("5","5","5","3","3","4","1","1") = "4"
    & skf21("5","5","5","3","3","4","2","1") = "4"
    & skf21("5","5","5","3","3","4","3","1") = "4"
    & skf21("5","5","5","3","3","4","4","1") = "4"
    & skf21("5","5","5","3","3","4","5","1") = "4"
    & skf21("5","5","5","3","3","4","6","1") = "5"
    & skf21("5","5","5","3","3","4","7","1") = "6"
    & skf21("5","5","5","3","3","5","1","1") = "4"
    & skf21("5","5","5","3","3","5","2","1") = "4"
    & skf21("5","5","5","3","3","5","3","1") = "4"
    & skf21("5","5","5","3","3","5","4","1") = "4"
    & skf21("5","5","5","3","3","5","5","1") = "4"
    & skf21("5","5","5","3","3","5","6","1") = "5"
    & skf21("5","5","5","3","3","5","7","1") = "6"
    & skf21("5","5","5","3","3","6","1","1") = "5"
    & skf21("5","5","5","3","3","6","2","1") = "5"
    & skf21("5","5","5","3","3","6","3","1") = "5"
    & skf21("5","5","5","3","3","6","4","1") = "5"
    & skf21("5","5","5","3","3","6","5","1") = "5"
    & skf21("5","5","5","3","3","6","6","1") = "5"
    & skf21("5","5","5","3","3","6","7","1") = "6"
    & skf21("5","5","5","3","3","7","1","1") = "6"
    & skf21("5","5","5","3","3","7","2","1") = "6"
    & skf21("5","5","5","3","3","7","3","1") = "6"
    & skf21("5","5","5","3","3","7","4","1") = "6"
    & skf21("5","5","5","3","3","7","5","1") = "6"
    & skf21("5","5","5","3","3","7","6","1") = "6"
    & skf21("5","5","5","3","3","7","7","1") = "6"
    & skf21("5","5","5","3","4","1","1","1") = "4"
    & skf21("5","5","5","3","4","1","2","1") = "4"
    & skf21("5","5","5","3","4","1","3","1") = "4"
    & skf21("5","5","5","3","4","1","4","1") = "4"
    & skf21("5","5","5","3","4","1","5","1") = "4"
    & skf21("5","5","5","3","4","1","6","1") = "5"
    & skf21("5","5","5","3","4","1","7","1") = "6"
    & skf21("5","5","5","3","4","2","1","1") = "4"
    & skf21("5","5","5","3","4","2","2","1") = "4"
    & skf21("5","5","5","3","4","2","3","1") = "4"
    & skf21("5","5","5","3","4","2","4","1") = "4"
    & skf21("5","5","5","3","4","2","5","1") = "4"
    & skf21("5","5","5","3","4","2","6","1") = "5"
    & skf21("5","5","5","3","4","2","7","1") = "6"
    & skf21("5","5","5","3","4","3","1","1") = "4"
    & skf21("5","5","5","3","4","3","2","1") = "4"
    & skf21("5","5","5","3","4","3","3","1") = "4"
    & skf21("5","5","5","3","4","3","4","1") = "4"
    & skf21("5","5","5","3","4","3","5","1") = "4"
    & skf21("5","5","5","3","4","3","6","1") = "5"
    & skf21("5","5","5","3","4","3","7","1") = "6"
    & skf21("5","5","5","3","4","4","1","1") = "4"
    & skf21("5","5","5","3","4","4","2","1") = "4"
    & skf21("5","5","5","3","4","4","3","1") = "4"
    & skf21("5","5","5","3","4","4","4","1") = "4"
    & skf21("5","5","5","3","4","4","5","1") = "4"
    & skf21("5","5","5","3","4","4","6","1") = "5"
    & skf21("5","5","5","3","4","4","7","1") = "6"
    & skf21("5","5","5","3","4","5","1","1") = "4"
    & skf21("5","5","5","3","4","5","2","1") = "4"
    & skf21("5","5","5","3","4","5","3","1") = "4"
    & skf21("5","5","5","3","4","5","4","1") = "4"
    & skf21("5","5","5","3","4","5","5","1") = "4"
    & skf21("5","5","5","3","4","5","6","1") = "5"
    & skf21("5","5","5","3","4","5","7","1") = "6"
    & skf21("5","5","5","3","4","6","1","1") = "5"
    & skf21("5","5","5","3","4","6","2","1") = "5"
    & skf21("5","5","5","3","4","6","3","1") = "5"
    & skf21("5","5","5","3","4","6","4","1") = "5"
    & skf21("5","5","5","3","4","6","5","1") = "5"
    & skf21("5","5","5","3","4","6","6","1") = "5"
    & skf21("5","5","5","3","4","6","7","1") = "6"
    & skf21("5","5","5","3","4","7","1","1") = "6"
    & skf21("5","5","5","3","4","7","2","1") = "6"
    & skf21("5","5","5","3","4","7","3","1") = "6"
    & skf21("5","5","5","3","4","7","4","1") = "6"
    & skf21("5","5","5","3","4","7","5","1") = "6"
    & skf21("5","5","5","3","4","7","6","1") = "6"
    & skf21("5","5","5","3","4","7","7","1") = "6"
    & skf21("5","5","5","3","5","1","1","1") = "4"
    & skf21("5","5","5","3","5","1","2","1") = "4"
    & skf21("5","5","5","3","5","1","3","1") = "4"
    & skf21("5","5","5","3","5","1","4","1") = "4"
    & skf21("5","5","5","3","5","1","5","1") = "4"
    & skf21("5","5","5","3","5","1","6","1") = "5"
    & skf21("5","5","5","3","5","1","7","1") = "6"
    & skf21("5","5","5","3","5","2","1","1") = "4"
    & skf21("5","5","5","3","5","2","2","1") = "4"
    & skf21("5","5","5","3","5","2","3","1") = "4"
    & skf21("5","5","5","3","5","2","4","1") = "4"
    & skf21("5","5","5","3","5","2","5","1") = "4"
    & skf21("5","5","5","3","5","2","6","1") = "5"
    & skf21("5","5","5","3","5","2","7","1") = "6"
    & skf21("5","5","5","3","5","3","1","1") = "4"
    & skf21("5","5","5","3","5","3","2","1") = "4"
    & skf21("5","5","5","3","5","3","3","1") = "4"
    & skf21("5","5","5","3","5","3","4","1") = "4"
    & skf21("5","5","5","3","5","3","5","1") = "4"
    & skf21("5","5","5","3","5","3","6","1") = "5"
    & skf21("5","5","5","3","5","3","7","1") = "6"
    & skf21("5","5","5","3","5","4","1","1") = "4"
    & skf21("5","5","5","3","5","4","2","1") = "4"
    & skf21("5","5","5","3","5","4","3","1") = "4"
    & skf21("5","5","5","3","5","4","4","1") = "4"
    & skf21("5","5","5","3","5","4","5","1") = "4"
    & skf21("5","5","5","3","5","4","6","1") = "5"
    & skf21("5","5","5","3","5","4","7","1") = "6"
    & skf21("5","5","5","3","5","5","1","1") = "4"
    & skf21("5","5","5","3","5","5","2","1") = "4"
    & skf21("5","5","5","3","5","5","3","1") = "4"
    & skf21("5","5","5","3","5","5","4","1") = "4"
    & skf21("5","5","5","3","5","5","5","1") = "4"
    & skf21("5","5","5","3","5","5","6","1") = "5"
    & skf21("5","5","5","3","5","5","7","1") = "6"
    & skf21("5","5","5","3","5","6","1","1") = "5"
    & skf21("5","5","5","3","5","6","2","1") = "5"
    & skf21("5","5","5","3","5","6","3","1") = "5"
    & skf21("5","5","5","3","5","6","4","1") = "5"
    & skf21("5","5","5","3","5","6","5","1") = "5"
    & skf21("5","5","5","3","5","6","6","1") = "5"
    & skf21("5","5","5","3","5","6","7","1") = "6"
    & skf21("5","5","5","3","5","7","1","1") = "6"
    & skf21("5","5","5","3","5","7","2","1") = "6"
    & skf21("5","5","5","3","5","7","3","1") = "6"
    & skf21("5","5","5","3","5","7","4","1") = "6"
    & skf21("5","5","5","3","5","7","5","1") = "6"
    & skf21("5","5","5","3","5","7","6","1") = "6"
    & skf21("5","5","5","3","5","7","7","1") = "6"
    & skf21("5","5","5","3","6","1","1","1") = "5"
    & skf21("5","5","5","3","6","1","2","1") = "5"
    & skf21("5","5","5","3","6","1","3","1") = "5"
    & skf21("5","5","5","3","6","1","4","1") = "5"
    & skf21("5","5","5","3","6","1","5","1") = "5"
    & skf21("5","5","5","3","6","1","6","1") = "5"
    & skf21("5","5","5","3","6","1","7","1") = "6"
    & skf21("5","5","5","3","6","2","1","1") = "5"
    & skf21("5","5","5","3","6","2","2","1") = "5"
    & skf21("5","5","5","3","6","2","3","1") = "5"
    & skf21("5","5","5","3","6","2","4","1") = "5"
    & skf21("5","5","5","3","6","2","5","1") = "5"
    & skf21("5","5","5","3","6","2","6","1") = "5"
    & skf21("5","5","5","3","6","2","7","1") = "6"
    & skf21("5","5","5","3","6","3","1","1") = "5"
    & skf21("5","5","5","3","6","3","2","1") = "5"
    & skf21("5","5","5","3","6","3","3","1") = "5"
    & skf21("5","5","5","3","6","3","4","1") = "5"
    & skf21("5","5","5","3","6","3","5","1") = "5"
    & skf21("5","5","5","3","6","3","6","1") = "5"
    & skf21("5","5","5","3","6","3","7","1") = "6"
    & skf21("5","5","5","3","6","4","1","1") = "5"
    & skf21("5","5","5","3","6","4","2","1") = "5"
    & skf21("5","5","5","3","6","4","3","1") = "5"
    & skf21("5","5","5","3","6","4","4","1") = "5"
    & skf21("5","5","5","3","6","4","5","1") = "5"
    & skf21("5","5","5","3","6","4","6","1") = "5"
    & skf21("5","5","5","3","6","4","7","1") = "6"
    & skf21("5","5","5","3","6","5","1","1") = "5"
    & skf21("5","5","5","3","6","5","2","1") = "5"
    & skf21("5","5","5","3","6","5","3","1") = "5"
    & skf21("5","5","5","3","6","5","4","1") = "5"
    & skf21("5","5","5","3","6","5","5","1") = "5"
    & skf21("5","5","5","3","6","5","6","1") = "5"
    & skf21("5","5","5","3","6","5","7","1") = "6"
    & skf21("5","5","5","3","6","6","1","1") = "5"
    & skf21("5","5","5","3","6","6","2","1") = "5"
    & skf21("5","5","5","3","6","6","3","1") = "5"
    & skf21("5","5","5","3","6","6","4","1") = "5"
    & skf21("5","5","5","3","6","6","5","1") = "5"
    & skf21("5","5","5","3","6","6","6","1") = "5"
    & skf21("5","5","5","3","6","6","7","1") = "6"
    & skf21("5","5","5","3","6","7","1","1") = "6"
    & skf21("5","5","5","3","6","7","2","1") = "6"
    & skf21("5","5","5","3","6","7","3","1") = "6"
    & skf21("5","5","5","3","6","7","4","1") = "6"
    & skf21("5","5","5","3","6","7","5","1") = "6"
    & skf21("5","5","5","3","6","7","6","1") = "6"
    & skf21("5","5","5","3","6","7","7","1") = "6"
    & skf21("5","5","5","3","7","1","1","1") = "6"
    & skf21("5","5","5","3","7","1","2","1") = "6"
    & skf21("5","5","5","3","7","1","3","1") = "6"
    & skf21("5","5","5","3","7","1","4","1") = "6"
    & skf21("5","5","5","3","7","1","5","1") = "6"
    & skf21("5","5","5","3","7","1","6","1") = "6"
    & skf21("5","5","5","3","7","1","7","1") = "6"
    & skf21("5","5","5","3","7","2","1","1") = "6"
    & skf21("5","5","5","3","7","2","2","1") = "6"
    & skf21("5","5","5","3","7","2","3","1") = "6"
    & skf21("5","5","5","3","7","2","4","1") = "6"
    & skf21("5","5","5","3","7","2","5","1") = "6"
    & skf21("5","5","5","3","7","2","6","1") = "6"
    & skf21("5","5","5","3","7","2","7","1") = "6"
    & skf21("5","5","5","3","7","3","1","1") = "6"
    & skf21("5","5","5","3","7","3","2","1") = "6"
    & skf21("5","5","5","3","7","3","3","1") = "6"
    & skf21("5","5","5","3","7","3","4","1") = "6"
    & skf21("5","5","5","3","7","3","5","1") = "6"
    & skf21("5","5","5","3","7","3","6","1") = "6"
    & skf21("5","5","5","3","7","3","7","1") = "6"
    & skf21("5","5","5","3","7","4","1","1") = "6"
    & skf21("5","5","5","3","7","4","2","1") = "6"
    & skf21("5","5","5","3","7","4","3","1") = "6"
    & skf21("5","5","5","3","7","4","4","1") = "6"
    & skf21("5","5","5","3","7","4","5","1") = "6"
    & skf21("5","5","5","3","7","4","6","1") = "6"
    & skf21("5","5","5","3","7","4","7","1") = "6"
    & skf21("5","5","5","3","7","5","1","1") = "6"
    & skf21("5","5","5","3","7","5","2","1") = "6"
    & skf21("5","5","5","3","7","5","3","1") = "6"
    & skf21("5","5","5","3","7","5","4","1") = "6"
    & skf21("5","5","5","3","7","5","5","1") = "6"
    & skf21("5","5","5","3","7","5","6","1") = "6"
    & skf21("5","5","5","3","7","5","7","1") = "6"
    & skf21("5","5","5","3","7","6","1","1") = "6"
    & skf21("5","5","5","3","7","6","2","1") = "6"
    & skf21("5","5","5","3","7","6","3","1") = "6"
    & skf21("5","5","5","3","7","6","4","1") = "6"
    & skf21("5","5","5","3","7","6","5","1") = "6"
    & skf21("5","5","5","3","7","6","6","1") = "6"
    & skf21("5","5","5","3","7","6","7","1") = "6"
    & skf21("5","5","5","3","7","7","1","1") = "6"
    & skf21("5","5","5","3","7","7","2","1") = "6"
    & skf21("5","5","5","3","7","7","3","1") = "6"
    & skf21("5","5","5","3","7","7","4","1") = "6"
    & skf21("5","5","5","3","7","7","5","1") = "6"
    & skf21("5","5","5","3","7","7","6","1") = "6"
    & skf21("5","5","5","3","7","7","7","1") = "6"
    & skf21("5","5","5","4","1","1","1","1") = "4"
    & skf21("5","5","5","4","1","1","2","1") = "4"
    & skf21("5","5","5","4","1","1","3","1") = "4"
    & skf21("5","5","5","4","1","1","4","1") = "4"
    & skf21("5","5","5","4","1","1","5","1") = "4"
    & skf21("5","5","5","4","1","1","6","1") = "5"
    & skf21("5","5","5","4","1","1","7","1") = "6"
    & skf21("5","5","5","4","1","2","1","1") = "4"
    & skf21("5","5","5","4","1","2","2","1") = "4"
    & skf21("5","5","5","4","1","2","3","1") = "4"
    & skf21("5","5","5","4","1","2","4","1") = "4"
    & skf21("5","5","5","4","1","2","5","1") = "4"
    & skf21("5","5","5","4","1","2","6","1") = "5"
    & skf21("5","5","5","4","1","2","7","1") = "6"
    & skf21("5","5","5","4","1","3","1","1") = "4"
    & skf21("5","5","5","4","1","3","2","1") = "4"
    & skf21("5","5","5","4","1","3","3","1") = "4"
    & skf21("5","5","5","4","1","3","4","1") = "4"
    & skf21("5","5","5","4","1","3","5","1") = "4"
    & skf21("5","5","5","4","1","3","6","1") = "5"
    & skf21("5","5","5","4","1","3","7","1") = "6"
    & skf21("5","5","5","4","1","4","1","1") = "4"
    & skf21("5","5","5","4","1","4","2","1") = "4"
    & skf21("5","5","5","4","1","4","3","1") = "4"
    & skf21("5","5","5","4","1","4","4","1") = "4"
    & skf21("5","5","5","4","1","4","5","1") = "4"
    & skf21("5","5","5","4","1","4","6","1") = "5"
    & skf21("5","5","5","4","1","4","7","1") = "6"
    & skf21("5","5","5","4","1","5","1","1") = "4"
    & skf21("5","5","5","4","1","5","2","1") = "4"
    & skf21("5","5","5","4","1","5","3","1") = "4"
    & skf21("5","5","5","4","1","5","4","1") = "4"
    & skf21("5","5","5","4","1","5","5","1") = "4"
    & skf21("5","5","5","4","1","5","6","1") = "5"
    & skf21("5","5","5","4","1","5","7","1") = "6"
    & skf21("5","5","5","4","1","6","1","1") = "5"
    & skf21("5","5","5","4","1","6","2","1") = "5"
    & skf21("5","5","5","4","1","6","3","1") = "5"
    & skf21("5","5","5","4","1","6","4","1") = "5"
    & skf21("5","5","5","4","1","6","5","1") = "5"
    & skf21("5","5","5","4","1","6","6","1") = "5"
    & skf21("5","5","5","4","1","6","7","1") = "6"
    & skf21("5","5","5","4","1","7","1","1") = "6"
    & skf21("5","5","5","4","1","7","2","1") = "6"
    & skf21("5","5","5","4","1","7","3","1") = "6"
    & skf21("5","5","5","4","1","7","4","1") = "6"
    & skf21("5","5","5","4","1","7","5","1") = "6"
    & skf21("5","5","5","4","1","7","6","1") = "6"
    & skf21("5","5","5","4","1","7","7","1") = "6"
    & skf21("5","5","5","4","2","1","1","1") = "4"
    & skf21("5","5","5","4","2","1","2","1") = "4"
    & skf21("5","5","5","4","2","1","3","1") = "4"
    & skf21("5","5","5","4","2","1","4","1") = "4"
    & skf21("5","5","5","4","2","1","5","1") = "4"
    & skf21("5","5","5","4","2","1","6","1") = "5"
    & skf21("5","5","5","4","2","1","7","1") = "6"
    & skf21("5","5","5","4","2","2","1","1") = "4"
    & skf21("5","5","5","4","2","2","2","1") = "4"
    & skf21("5","5","5","4","2","2","3","1") = "4"
    & skf21("5","5","5","4","2","2","4","1") = "4"
    & skf21("5","5","5","4","2","2","5","1") = "4"
    & skf21("5","5","5","4","2","2","6","1") = "5"
    & skf21("5","5","5","4","2","2","7","1") = "6"
    & skf21("5","5","5","4","2","3","1","1") = "4"
    & skf21("5","5","5","4","2","3","2","1") = "4"
    & skf21("5","5","5","4","2","3","3","1") = "4"
    & skf21("5","5","5","4","2","3","4","1") = "4"
    & skf21("5","5","5","4","2","3","5","1") = "4"
    & skf21("5","5","5","4","2","3","6","1") = "5"
    & skf21("5","5","5","4","2","3","7","1") = "6"
    & skf21("5","5","5","4","2","4","1","1") = "4"
    & skf21("5","5","5","4","2","4","2","1") = "4"
    & skf21("5","5","5","4","2","4","3","1") = "4"
    & skf21("5","5","5","4","2","4","4","1") = "4"
    & skf21("5","5","5","4","2","4","5","1") = "4"
    & skf21("5","5","5","4","2","4","6","1") = "5"
    & skf21("5","5","5","4","2","4","7","1") = "6"
    & skf21("5","5","5","4","2","5","1","1") = "4"
    & skf21("5","5","5","4","2","5","2","1") = "4"
    & skf21("5","5","5","4","2","5","3","1") = "4"
    & skf21("5","5","5","4","2","5","4","1") = "4"
    & skf21("5","5","5","4","2","5","5","1") = "4"
    & skf21("5","5","5","4","2","5","6","1") = "5"
    & skf21("5","5","5","4","2","5","7","1") = "6"
    & skf21("5","5","5","4","2","6","1","1") = "5"
    & skf21("5","5","5","4","2","6","2","1") = "5"
    & skf21("5","5","5","4","2","6","3","1") = "5"
    & skf21("5","5","5","4","2","6","4","1") = "5"
    & skf21("5","5","5","4","2","6","5","1") = "5"
    & skf21("5","5","5","4","2","6","6","1") = "5"
    & skf21("5","5","5","4","2","6","7","1") = "6"
    & skf21("5","5","5","4","2","7","1","1") = "6"
    & skf21("5","5","5","4","2","7","2","1") = "6"
    & skf21("5","5","5","4","2","7","3","1") = "6"
    & skf21("5","5","5","4","2","7","4","1") = "6"
    & skf21("5","5","5","4","2","7","5","1") = "6"
    & skf21("5","5","5","4","2","7","6","1") = "6"
    & skf21("5","5","5","4","2","7","7","1") = "6"
    & skf21("5","5","5","4","3","1","1","1") = "4"
    & skf21("5","5","5","4","3","1","2","1") = "4"
    & skf21("5","5","5","4","3","1","3","1") = "4"
    & skf21("5","5","5","4","3","1","4","1") = "4"
    & skf21("5","5","5","4","3","1","5","1") = "4"
    & skf21("5","5","5","4","3","1","6","1") = "5"
    & skf21("5","5","5","4","3","1","7","1") = "6"
    & skf21("5","5","5","4","3","2","1","1") = "4"
    & skf21("5","5","5","4","3","2","2","1") = "4"
    & skf21("5","5","5","4","3","2","3","1") = "4"
    & skf21("5","5","5","4","3","2","4","1") = "4"
    & skf21("5","5","5","4","3","2","5","1") = "4"
    & skf21("5","5","5","4","3","2","6","1") = "5"
    & skf21("5","5","5","4","3","2","7","1") = "6"
    & skf21("5","5","5","4","3","3","1","1") = "4"
    & skf21("5","5","5","4","3","3","2","1") = "4"
    & skf21("5","5","5","4","3","3","3","1") = "4"
    & skf21("5","5","5","4","3","3","4","1") = "4"
    & skf21("5","5","5","4","3","3","5","1") = "4"
    & skf21("5","5","5","4","3","3","6","1") = "5"
    & skf21("5","5","5","4","3","3","7","1") = "6"
    & skf21("5","5","5","4","3","4","1","1") = "4"
    & skf21("5","5","5","4","3","4","2","1") = "4"
    & skf21("5","5","5","4","3","4","3","1") = "4"
    & skf21("5","5","5","4","3","4","4","1") = "4"
    & skf21("5","5","5","4","3","4","5","1") = "4"
    & skf21("5","5","5","4","3","4","6","1") = "5"
    & skf21("5","5","5","4","3","4","7","1") = "6"
    & skf21("5","5","5","4","3","5","1","1") = "4"
    & skf21("5","5","5","4","3","5","2","1") = "4"
    & skf21("5","5","5","4","3","5","3","1") = "4"
    & skf21("5","5","5","4","3","5","4","1") = "4"
    & skf21("5","5","5","4","3","5","5","1") = "4"
    & skf21("5","5","5","4","3","5","6","1") = "5"
    & skf21("5","5","5","4","3","5","7","1") = "6"
    & skf21("5","5","5","4","3","6","1","1") = "5"
    & skf21("5","5","5","4","3","6","2","1") = "5"
    & skf21("5","5","5","4","3","6","3","1") = "5"
    & skf21("5","5","5","4","3","6","4","1") = "5"
    & skf21("5","5","5","4","3","6","5","1") = "5"
    & skf21("5","5","5","4","3","6","6","1") = "5"
    & skf21("5","5","5","4","3","6","7","1") = "6"
    & skf21("5","5","5","4","3","7","1","1") = "6"
    & skf21("5","5","5","4","3","7","2","1") = "6"
    & skf21("5","5","5","4","3","7","3","1") = "6"
    & skf21("5","5","5","4","3","7","4","1") = "6"
    & skf21("5","5","5","4","3","7","5","1") = "6"
    & skf21("5","5","5","4","3","7","6","1") = "6"
    & skf21("5","5","5","4","3","7","7","1") = "6"
    & skf21("5","5","5","4","4","1","1","1") = "4"
    & skf21("5","5","5","4","4","1","2","1") = "4"
    & skf21("5","5","5","4","4","1","3","1") = "4"
    & skf21("5","5","5","4","4","1","4","1") = "4"
    & skf21("5","5","5","4","4","1","5","1") = "4"
    & skf21("5","5","5","4","4","1","6","1") = "5"
    & skf21("5","5","5","4","4","1","7","1") = "6"
    & skf21("5","5","5","4","4","2","1","1") = "4"
    & skf21("5","5","5","4","4","2","2","1") = "4"
    & skf21("5","5","5","4","4","2","3","1") = "4"
    & skf21("5","5","5","4","4","2","4","1") = "4"
    & skf21("5","5","5","4","4","2","5","1") = "4"
    & skf21("5","5","5","4","4","2","6","1") = "5"
    & skf21("5","5","5","4","4","2","7","1") = "6"
    & skf21("5","5","5","4","4","3","1","1") = "4"
    & skf21("5","5","5","4","4","3","2","1") = "4"
    & skf21("5","5","5","4","4","3","3","1") = "4"
    & skf21("5","5","5","4","4","3","4","1") = "4"
    & skf21("5","5","5","4","4","3","5","1") = "4"
    & skf21("5","5","5","4","4","3","6","1") = "5"
    & skf21("5","5","5","4","4","3","7","1") = "6"
    & skf21("5","5","5","4","4","4","1","1") = "4"
    & skf21("5","5","5","4","4","4","2","1") = "4"
    & skf21("5","5","5","4","4","4","3","1") = "4"
    & skf21("5","5","5","4","4","4","4","1") = "4"
    & skf21("5","5","5","4","4","4","5","1") = "4"
    & skf21("5","5","5","4","4","4","6","1") = "5"
    & skf21("5","5","5","4","4","4","7","1") = "6"
    & skf21("5","5","5","4","4","5","1","1") = "4"
    & skf21("5","5","5","4","4","5","2","1") = "4"
    & skf21("5","5","5","4","4","5","3","1") = "4"
    & skf21("5","5","5","4","4","5","4","1") = "4"
    & skf21("5","5","5","4","4","5","5","1") = "4"
    & skf21("5","5","5","4","4","5","6","1") = "5"
    & skf21("5","5","5","4","4","5","7","1") = "6"
    & skf21("5","5","5","4","4","6","1","1") = "5"
    & skf21("5","5","5","4","4","6","2","1") = "5"
    & skf21("5","5","5","4","4","6","3","1") = "5"
    & skf21("5","5","5","4","4","6","4","1") = "5"
    & skf21("5","5","5","4","4","6","5","1") = "5"
    & skf21("5","5","5","4","4","6","6","1") = "5"
    & skf21("5","5","5","4","4","6","7","1") = "6"
    & skf21("5","5","5","4","4","7","1","1") = "6"
    & skf21("5","5","5","4","4","7","2","1") = "6"
    & skf21("5","5","5","4","4","7","3","1") = "6"
    & skf21("5","5","5","4","4","7","4","1") = "6"
    & skf21("5","5","5","4","4","7","5","1") = "6"
    & skf21("5","5","5","4","4","7","6","1") = "6"
    & skf21("5","5","5","4","4","7","7","1") = "6"
    & skf21("5","5","5","4","5","1","1","1") = "4"
    & skf21("5","5","5","4","5","1","2","1") = "4"
    & skf21("5","5","5","4","5","1","3","1") = "4"
    & skf21("5","5","5","4","5","1","4","1") = "4"
    & skf21("5","5","5","4","5","1","5","1") = "4"
    & skf21("5","5","5","4","5","1","6","1") = "5"
    & skf21("5","5","5","4","5","1","7","1") = "6"
    & skf21("5","5","5","4","5","2","1","1") = "4"
    & skf21("5","5","5","4","5","2","2","1") = "4"
    & skf21("5","5","5","4","5","2","3","1") = "4"
    & skf21("5","5","5","4","5","2","4","1") = "4"
    & skf21("5","5","5","4","5","2","5","1") = "4"
    & skf21("5","5","5","4","5","2","6","1") = "5"
    & skf21("5","5","5","4","5","2","7","1") = "6"
    & skf21("5","5","5","4","5","3","1","1") = "4"
    & skf21("5","5","5","4","5","3","2","1") = "4"
    & skf21("5","5","5","4","5","3","3","1") = "4"
    & skf21("5","5","5","4","5","3","4","1") = "4"
    & skf21("5","5","5","4","5","3","5","1") = "4"
    & skf21("5","5","5","4","5","3","6","1") = "5"
    & skf21("5","5","5","4","5","3","7","1") = "6"
    & skf21("5","5","5","4","5","4","1","1") = "4"
    & skf21("5","5","5","4","5","4","2","1") = "4"
    & skf21("5","5","5","4","5","4","3","1") = "4"
    & skf21("5","5","5","4","5","4","4","1") = "4"
    & skf21("5","5","5","4","5","4","5","1") = "4"
    & skf21("5","5","5","4","5","4","6","1") = "5"
    & skf21("5","5","5","4","5","4","7","1") = "6"
    & skf21("5","5","5","4","5","5","1","1") = "4"
    & skf21("5","5","5","4","5","5","2","1") = "4"
    & skf21("5","5","5","4","5","5","3","1") = "4"
    & skf21("5","5","5","4","5","5","4","1") = "4"
    & skf21("5","5","5","4","5","5","5","1") = "4"
    & skf21("5","5","5","4","5","5","6","1") = "5"
    & skf21("5","5","5","4","5","5","7","1") = "6"
    & skf21("5","5","5","4","5","6","1","1") = "5"
    & skf21("5","5","5","4","5","6","2","1") = "5"
    & skf21("5","5","5","4","5","6","3","1") = "5"
    & skf21("5","5","5","4","5","6","4","1") = "5"
    & skf21("5","5","5","4","5","6","5","1") = "5"
    & skf21("5","5","5","4","5","6","6","1") = "5"
    & skf21("5","5","5","4","5","6","7","1") = "6"
    & skf21("5","5","5","4","5","7","1","1") = "6"
    & skf21("5","5","5","4","5","7","2","1") = "6"
    & skf21("5","5","5","4","5","7","3","1") = "6"
    & skf21("5","5","5","4","5","7","4","1") = "6"
    & skf21("5","5","5","4","5","7","5","1") = "6"
    & skf21("5","5","5","4","5","7","6","1") = "6"
    & skf21("5","5","5","4","5","7","7","1") = "6"
    & skf21("5","5","5","4","6","1","1","1") = "5"
    & skf21("5","5","5","4","6","1","2","1") = "5"
    & skf21("5","5","5","4","6","1","3","1") = "5"
    & skf21("5","5","5","4","6","1","4","1") = "5"
    & skf21("5","5","5","4","6","1","5","1") = "5"
    & skf21("5","5","5","4","6","1","6","1") = "5"
    & skf21("5","5","5","4","6","1","7","1") = "6"
    & skf21("5","5","5","4","6","2","1","1") = "5"
    & skf21("5","5","5","4","6","2","2","1") = "5"
    & skf21("5","5","5","4","6","2","3","1") = "5"
    & skf21("5","5","5","4","6","2","4","1") = "5"
    & skf21("5","5","5","4","6","2","5","1") = "5"
    & skf21("5","5","5","4","6","2","6","1") = "5"
    & skf21("5","5","5","4","6","2","7","1") = "6"
    & skf21("5","5","5","4","6","3","1","1") = "5"
    & skf21("5","5","5","4","6","3","2","1") = "5"
    & skf21("5","5","5","4","6","3","3","1") = "5"
    & skf21("5","5","5","4","6","3","4","1") = "5"
    & skf21("5","5","5","4","6","3","5","1") = "5"
    & skf21("5","5","5","4","6","3","6","1") = "5"
    & skf21("5","5","5","4","6","3","7","1") = "6"
    & skf21("5","5","5","4","6","4","1","1") = "5"
    & skf21("5","5","5","4","6","4","2","1") = "5"
    & skf21("5","5","5","4","6","4","3","1") = "5"
    & skf21("5","5","5","4","6","4","4","1") = "5"
    & skf21("5","5","5","4","6","4","5","1") = "5"
    & skf21("5","5","5","4","6","4","6","1") = "5"
    & skf21("5","5","5","4","6","4","7","1") = "6"
    & skf21("5","5","5","4","6","5","1","1") = "5"
    & skf21("5","5","5","4","6","5","2","1") = "5"
    & skf21("5","5","5","4","6","5","3","1") = "5"
    & skf21("5","5","5","4","6","5","4","1") = "5"
    & skf21("5","5","5","4","6","5","5","1") = "5"
    & skf21("5","5","5","4","6","5","6","1") = "5"
    & skf21("5","5","5","4","6","5","7","1") = "6"
    & skf21("5","5","5","4","6","6","1","1") = "5"
    & skf21("5","5","5","4","6","6","2","1") = "5"
    & skf21("5","5","5","4","6","6","3","1") = "5"
    & skf21("5","5","5","4","6","6","4","1") = "5"
    & skf21("5","5","5","4","6","6","5","1") = "5"
    & skf21("5","5","5","4","6","6","6","1") = "5"
    & skf21("5","5","5","4","6","6","7","1") = "6"
    & skf21("5","5","5","4","6","7","1","1") = "6"
    & skf21("5","5","5","4","6","7","2","1") = "6"
    & skf21("5","5","5","4","6","7","3","1") = "6"
    & skf21("5","5","5","4","6","7","4","1") = "6"
    & skf21("5","5","5","4","6","7","5","1") = "6"
    & skf21("5","5","5","4","6","7","6","1") = "6"
    & skf21("5","5","5","4","6","7","7","1") = "6"
    & skf21("5","5","5","4","7","1","1","1") = "6"
    & skf21("5","5","5","4","7","1","2","1") = "6"
    & skf21("5","5","5","4","7","1","3","1") = "6"
    & skf21("5","5","5","4","7","1","4","1") = "6"
    & skf21("5","5","5","4","7","1","5","1") = "6"
    & skf21("5","5","5","4","7","1","6","1") = "6"
    & skf21("5","5","5","4","7","1","7","1") = "6"
    & skf21("5","5","5","4","7","2","1","1") = "6"
    & skf21("5","5","5","4","7","2","2","1") = "6"
    & skf21("5","5","5","4","7","2","3","1") = "6"
    & skf21("5","5","5","4","7","2","4","1") = "6"
    & skf21("5","5","5","4","7","2","5","1") = "6"
    & skf21("5","5","5","4","7","2","6","1") = "6"
    & skf21("5","5","5","4","7","2","7","1") = "6"
    & skf21("5","5","5","4","7","3","1","1") = "6"
    & skf21("5","5","5","4","7","3","2","1") = "6"
    & skf21("5","5","5","4","7","3","3","1") = "6"
    & skf21("5","5","5","4","7","3","4","1") = "6"
    & skf21("5","5","5","4","7","3","5","1") = "6"
    & skf21("5","5","5","4","7","3","6","1") = "6"
    & skf21("5","5","5","4","7","3","7","1") = "6"
    & skf21("5","5","5","4","7","4","1","1") = "6"
    & skf21("5","5","5","4","7","4","2","1") = "6"
    & skf21("5","5","5","4","7","4","3","1") = "6"
    & skf21("5","5","5","4","7","4","4","1") = "6"
    & skf21("5","5","5","4","7","4","5","1") = "6"
    & skf21("5","5","5","4","7","4","6","1") = "6"
    & skf21("5","5","5","4","7","4","7","1") = "6"
    & skf21("5","5","5","4","7","5","1","1") = "6"
    & skf21("5","5","5","4","7","5","2","1") = "6"
    & skf21("5","5","5","4","7","5","3","1") = "6"
    & skf21("5","5","5","4","7","5","4","1") = "6"
    & skf21("5","5","5","4","7","5","5","1") = "6"
    & skf21("5","5","5","4","7","5","6","1") = "6"
    & skf21("5","5","5","4","7","5","7","1") = "6"
    & skf21("5","5","5","4","7","6","1","1") = "6"
    & skf21("5","5","5","4","7","6","2","1") = "6"
    & skf21("5","5","5","4","7","6","3","1") = "6"
    & skf21("5","5","5","4","7","6","4","1") = "6"
    & skf21("5","5","5","4","7","6","5","1") = "6"
    & skf21("5","5","5","4","7","6","6","1") = "6"
    & skf21("5","5","5","4","7","6","7","1") = "6"
    & skf21("5","5","5","4","7","7","1","1") = "6"
    & skf21("5","5","5","4","7","7","2","1") = "6"
    & skf21("5","5","5","4","7","7","3","1") = "6"
    & skf21("5","5","5","4","7","7","4","1") = "6"
    & skf21("5","5","5","4","7","7","5","1") = "6"
    & skf21("5","5","5","4","7","7","6","1") = "6"
    & skf21("5","5","5","4","7","7","7","1") = "6"
    & skf21("5","5","5","5","1","1","1","1") = "4"
    & skf21("5","5","5","5","1","1","2","1") = "4"
    & skf21("5","5","5","5","1","1","3","1") = "4"
    & skf21("5","5","5","5","1","1","4","1") = "4"
    & skf21("5","5","5","5","1","1","5","1") = "4"
    & skf21("5","5","5","5","1","1","6","1") = "5"
    & skf21("5","5","5","5","1","1","7","1") = "6"
    & skf21("5","5","5","5","1","2","1","1") = "4"
    & skf21("5","5","5","5","1","2","2","1") = "4"
    & skf21("5","5","5","5","1","2","3","1") = "4"
    & skf21("5","5","5","5","1","2","4","1") = "4"
    & skf21("5","5","5","5","1","2","5","1") = "4"
    & skf21("5","5","5","5","1","2","6","1") = "5"
    & skf21("5","5","5","5","1","2","7","1") = "6"
    & skf21("5","5","5","5","1","3","1","1") = "4"
    & skf21("5","5","5","5","1","3","2","1") = "4"
    & skf21("5","5","5","5","1","3","3","1") = "4"
    & skf21("5","5","5","5","1","3","4","1") = "4"
    & skf21("5","5","5","5","1","3","5","1") = "4"
    & skf21("5","5","5","5","1","3","6","1") = "5"
    & skf21("5","5","5","5","1","3","7","1") = "6"
    & skf21("5","5","5","5","1","4","1","1") = "4"
    & skf21("5","5","5","5","1","4","2","1") = "4"
    & skf21("5","5","5","5","1","4","3","1") = "4"
    & skf21("5","5","5","5","1","4","4","1") = "4"
    & skf21("5","5","5","5","1","4","5","1") = "4"
    & skf21("5","5","5","5","1","4","6","1") = "5"
    & skf21("5","5","5","5","1","4","7","1") = "6"
    & skf21("5","5","5","5","1","5","1","1") = "4"
    & skf21("5","5","5","5","1","5","2","1") = "4"
    & skf21("5","5","5","5","1","5","3","1") = "4"
    & skf21("5","5","5","5","1","5","4","1") = "4"
    & skf21("5","5","5","5","1","5","5","1") = "4"
    & skf21("5","5","5","5","1","5","6","1") = "5"
    & skf21("5","5","5","5","1","5","7","1") = "6"
    & skf21("5","5","5","5","1","6","1","1") = "5"
    & skf21("5","5","5","5","1","6","2","1") = "5"
    & skf21("5","5","5","5","1","6","3","1") = "5"
    & skf21("5","5","5","5","1","6","4","1") = "5"
    & skf21("5","5","5","5","1","6","5","1") = "5"
    & skf21("5","5","5","5","1","6","6","1") = "5"
    & skf21("5","5","5","5","1","6","7","1") = "6"
    & skf21("5","5","5","5","1","7","1","1") = "6"
    & skf21("5","5","5","5","1","7","2","1") = "6"
    & skf21("5","5","5","5","1","7","3","1") = "6"
    & skf21("5","5","5","5","1","7","4","1") = "6"
    & skf21("5","5","5","5","1","7","5","1") = "6"
    & skf21("5","5","5","5","1","7","6","1") = "6"
    & skf21("5","5","5","5","1","7","7","1") = "6"
    & skf21("5","5","5","5","2","1","1","1") = "4"
    & skf21("5","5","5","5","2","1","2","1") = "4"
    & skf21("5","5","5","5","2","1","3","1") = "4"
    & skf21("5","5","5","5","2","1","4","1") = "4"
    & skf21("5","5","5","5","2","1","5","1") = "4"
    & skf21("5","5","5","5","2","1","6","1") = "5"
    & skf21("5","5","5","5","2","1","7","1") = "6"
    & skf21("5","5","5","5","2","2","1","1") = "4"
    & skf21("5","5","5","5","2","2","2","1") = "4"
    & skf21("5","5","5","5","2","2","3","1") = "4"
    & skf21("5","5","5","5","2","2","4","1") = "4"
    & skf21("5","5","5","5","2","2","5","1") = "4"
    & skf21("5","5","5","5","2","2","6","1") = "5"
    & skf21("5","5","5","5","2","2","7","1") = "6"
    & skf21("5","5","5","5","2","3","1","1") = "4"
    & skf21("5","5","5","5","2","3","2","1") = "4"
    & skf21("5","5","5","5","2","3","3","1") = "4"
    & skf21("5","5","5","5","2","3","4","1") = "4"
    & skf21("5","5","5","5","2","3","5","1") = "4"
    & skf21("5","5","5","5","2","3","6","1") = "5"
    & skf21("5","5","5","5","2","3","7","1") = "6"
    & skf21("5","5","5","5","2","4","1","1") = "4"
    & skf21("5","5","5","5","2","4","2","1") = "4"
    & skf21("5","5","5","5","2","4","3","1") = "4"
    & skf21("5","5","5","5","2","4","4","1") = "4"
    & skf21("5","5","5","5","2","4","5","1") = "4"
    & skf21("5","5","5","5","2","4","6","1") = "5"
    & skf21("5","5","5","5","2","4","7","1") = "6"
    & skf21("5","5","5","5","2","5","1","1") = "4"
    & skf21("5","5","5","5","2","5","2","1") = "4"
    & skf21("5","5","5","5","2","5","3","1") = "4"
    & skf21("5","5","5","5","2","5","4","1") = "4"
    & skf21("5","5","5","5","2","5","5","1") = "4"
    & skf21("5","5","5","5","2","5","6","1") = "5"
    & skf21("5","5","5","5","2","5","7","1") = "6"
    & skf21("5","5","5","5","2","6","1","1") = "5"
    & skf21("5","5","5","5","2","6","2","1") = "5"
    & skf21("5","5","5","5","2","6","3","1") = "5"
    & skf21("5","5","5","5","2","6","4","1") = "5"
    & skf21("5","5","5","5","2","6","5","1") = "5"
    & skf21("5","5","5","5","2","6","6","1") = "5"
    & skf21("5","5","5","5","2","6","7","1") = "6"
    & skf21("5","5","5","5","2","7","1","1") = "6"
    & skf21("5","5","5","5","2","7","2","1") = "6"
    & skf21("5","5","5","5","2","7","3","1") = "6"
    & skf21("5","5","5","5","2","7","4","1") = "6"
    & skf21("5","5","5","5","2","7","5","1") = "6"
    & skf21("5","5","5","5","2","7","6","1") = "6"
    & skf21("5","5","5","5","2","7","7","1") = "6"
    & skf21("5","5","5","5","3","1","1","1") = "4"
    & skf21("5","5","5","5","3","1","2","1") = "4"
    & skf21("5","5","5","5","3","1","3","1") = "4"
    & skf21("5","5","5","5","3","1","4","1") = "4"
    & skf21("5","5","5","5","3","1","5","1") = "4"
    & skf21("5","5","5","5","3","1","6","1") = "5"
    & skf21("5","5","5","5","3","1","7","1") = "6"
    & skf21("5","5","5","5","3","2","1","1") = "4"
    & skf21("5","5","5","5","3","2","2","1") = "4"
    & skf21("5","5","5","5","3","2","3","1") = "4"
    & skf21("5","5","5","5","3","2","4","1") = "4"
    & skf21("5","5","5","5","3","2","5","1") = "4"
    & skf21("5","5","5","5","3","2","6","1") = "5"
    & skf21("5","5","5","5","3","2","7","1") = "6"
    & skf21("5","5","5","5","3","3","1","1") = "4"
    & skf21("5","5","5","5","3","3","2","1") = "4"
    & skf21("5","5","5","5","3","3","3","1") = "4"
    & skf21("5","5","5","5","3","3","4","1") = "4"
    & skf21("5","5","5","5","3","3","5","1") = "4"
    & skf21("5","5","5","5","3","3","6","1") = "5"
    & skf21("5","5","5","5","3","3","7","1") = "6"
    & skf21("5","5","5","5","3","4","1","1") = "4"
    & skf21("5","5","5","5","3","4","2","1") = "4"
    & skf21("5","5","5","5","3","4","3","1") = "4"
    & skf21("5","5","5","5","3","4","4","1") = "4"
    & skf21("5","5","5","5","3","4","5","1") = "4"
    & skf21("5","5","5","5","3","4","6","1") = "5"
    & skf21("5","5","5","5","3","4","7","1") = "6"
    & skf21("5","5","5","5","3","5","1","1") = "4"
    & skf21("5","5","5","5","3","5","2","1") = "4"
    & skf21("5","5","5","5","3","5","3","1") = "4"
    & skf21("5","5","5","5","3","5","4","1") = "4"
    & skf21("5","5","5","5","3","5","5","1") = "4"
    & skf21("5","5","5","5","3","5","6","1") = "5"
    & skf21("5","5","5","5","3","5","7","1") = "6"
    & skf21("5","5","5","5","3","6","1","1") = "5"
    & skf21("5","5","5","5","3","6","2","1") = "5"
    & skf21("5","5","5","5","3","6","3","1") = "5"
    & skf21("5","5","5","5","3","6","4","1") = "5"
    & skf21("5","5","5","5","3","6","5","1") = "5"
    & skf21("5","5","5","5","3","6","6","1") = "5"
    & skf21("5","5","5","5","3","6","7","1") = "6"
    & skf21("5","5","5","5","3","7","1","1") = "6"
    & skf21("5","5","5","5","3","7","2","1") = "6"
    & skf21("5","5","5","5","3","7","3","1") = "6"
    & skf21("5","5","5","5","3","7","4","1") = "6"
    & skf21("5","5","5","5","3","7","5","1") = "6"
    & skf21("5","5","5","5","3","7","6","1") = "6"
    & skf21("5","5","5","5","3","7","7","1") = "6"
    & skf21("5","5","5","5","4","1","1","1") = "4"
    & skf21("5","5","5","5","4","1","2","1") = "4"
    & skf21("5","5","5","5","4","1","3","1") = "4"
    & skf21("5","5","5","5","4","1","4","1") = "4"
    & skf21("5","5","5","5","4","1","5","1") = "4"
    & skf21("5","5","5","5","4","1","6","1") = "5"
    & skf21("5","5","5","5","4","1","7","1") = "6"
    & skf21("5","5","5","5","4","2","1","1") = "4"
    & skf21("5","5","5","5","4","2","2","1") = "4"
    & skf21("5","5","5","5","4","2","3","1") = "4"
    & skf21("5","5","5","5","4","2","4","1") = "4"
    & skf21("5","5","5","5","4","2","5","1") = "4"
    & skf21("5","5","5","5","4","2","6","1") = "5"
    & skf21("5","5","5","5","4","2","7","1") = "6"
    & skf21("5","5","5","5","4","3","1","1") = "4"
    & skf21("5","5","5","5","4","3","2","1") = "4"
    & skf21("5","5","5","5","4","3","3","1") = "4"
    & skf21("5","5","5","5","4","3","4","1") = "4"
    & skf21("5","5","5","5","4","3","5","1") = "4"
    & skf21("5","5","5","5","4","3","6","1") = "5"
    & skf21("5","5","5","5","4","3","7","1") = "6"
    & skf21("5","5","5","5","4","4","1","1") = "4"
    & skf21("5","5","5","5","4","4","2","1") = "4"
    & skf21("5","5","5","5","4","4","3","1") = "4"
    & skf21("5","5","5","5","4","4","4","1") = "4"
    & skf21("5","5","5","5","4","4","5","1") = "4"
    & skf21("5","5","5","5","4","4","6","1") = "5"
    & skf21("5","5","5","5","4","4","7","1") = "6"
    & skf21("5","5","5","5","4","5","1","1") = "4"
    & skf21("5","5","5","5","4","5","2","1") = "4"
    & skf21("5","5","5","5","4","5","3","1") = "4"
    & skf21("5","5","5","5","4","5","4","1") = "4"
    & skf21("5","5","5","5","4","5","5","1") = "4"
    & skf21("5","5","5","5","4","5","6","1") = "5"
    & skf21("5","5","5","5","4","5","7","1") = "6"
    & skf21("5","5","5","5","4","6","1","1") = "5"
    & skf21("5","5","5","5","4","6","2","1") = "5"
    & skf21("5","5","5","5","4","6","3","1") = "5"
    & skf21("5","5","5","5","4","6","4","1") = "5"
    & skf21("5","5","5","5","4","6","5","1") = "5"
    & skf21("5","5","5","5","4","6","6","1") = "5"
    & skf21("5","5","5","5","4","6","7","1") = "6"
    & skf21("5","5","5","5","4","7","1","1") = "6"
    & skf21("5","5","5","5","4","7","2","1") = "6"
    & skf21("5","5","5","5","4","7","3","1") = "6"
    & skf21("5","5","5","5","4","7","4","1") = "6"
    & skf21("5","5","5","5","4","7","5","1") = "6"
    & skf21("5","5","5","5","4","7","6","1") = "6"
    & skf21("5","5","5","5","4","7","7","1") = "6"
    & skf21("5","5","5","5","5","1","1","1") = "4"
    & skf21("5","5","5","5","5","1","2","1") = "4"
    & skf21("5","5","5","5","5","1","3","1") = "4"
    & skf21("5","5","5","5","5","1","4","1") = "4"
    & skf21("5","5","5","5","5","1","5","1") = "4"
    & skf21("5","5","5","5","5","1","6","1") = "5"
    & skf21("5","5","5","5","5","1","7","1") = "6"
    & skf21("5","5","5","5","5","2","1","1") = "4"
    & skf21("5","5","5","5","5","2","2","1") = "4"
    & skf21("5","5","5","5","5","2","3","1") = "4"
    & skf21("5","5","5","5","5","2","4","1") = "4"
    & skf21("5","5","5","5","5","2","5","1") = "4"
    & skf21("5","5","5","5","5","2","6","1") = "5"
    & skf21("5","5","5","5","5","2","7","1") = "6"
    & skf21("5","5","5","5","5","3","1","1") = "4"
    & skf21("5","5","5","5","5","3","2","1") = "6"
    & skf21("5","5","5","5","5","3","3","1") = "4"
    & skf21("5","5","5","5","5","3","4","1") = "3"
    & skf21("5","5","5","5","5","3","5","1") = "6"
    & skf21("5","5","5","5","5","3","6","1") = "5"
    & skf21("5","5","5","5","5","3","7","1") = "6"
    & skf21("5","5","5","5","5","4","1","1") = "4"
    & skf21("5","5","5","5","5","4","2","1") = "3"
    & skf21("5","5","5","5","5","4","3","1") = "6"
    & skf21("5","5","5","5","5","4","4","1") = "4"
    & skf21("5","5","5","5","5","4","5","1") = "3"
    & skf21("5","5","5","5","5","4","6","1") = "5"
    & skf21("5","5","5","5","5","4","7","1") = "6"
    & skf21("5","5","5","5","5","5","1","1") = "6"
    & skf21("5","5","5","5","5","5","2","1") = "4"
    & skf21("5","5","5","5","5","5","3","1") = "3"
    & skf21("5","5","5","5","5","5","4","1") = "6"
    & skf21("5","5","5","5","5","5","5","1") = "4"
    & skf21("5","5","5","5","5","5","6","1") = "5"
    & skf21("5","5","5","5","5","5","7","1") = "6"
    & skf21("5","5","5","5","5","6","1","1") = "5"
    & skf21("5","5","5","5","5","6","2","1") = "5"
    & skf21("5","5","5","5","5","6","3","1") = "5"
    & skf21("5","5","5","5","5","6","4","1") = "5"
    & skf21("5","5","5","5","5","6","5","1") = "5"
    & skf21("5","5","5","5","5","6","6","1") = "5"
    & skf21("5","5","5","5","5","6","7","1") = "6"
    & skf21("5","5","5","5","5","7","1","1") = "6"
    & skf21("5","5","5","5","5","7","2","1") = "6"
    & skf21("5","5","5","5","5","7","3","1") = "6"
    & skf21("5","5","5","5","5","7","4","1") = "6"
    & skf21("5","5","5","5","5","7","5","1") = "6"
    & skf21("5","5","5","5","5","7","6","1") = "6"
    & skf21("5","5","5","5","5","7","7","1") = "6"
    & skf21("5","5","5","5","6","1","1","1") = "5"
    & skf21("5","5","5","5","6","1","2","1") = "5"
    & skf21("5","5","5","5","6","1","3","1") = "5"
    & skf21("5","5","5","5","6","1","4","1") = "5"
    & skf21("5","5","5","5","6","1","5","1") = "5"
    & skf21("5","5","5","5","6","1","6","1") = "5"
    & skf21("5","5","5","5","6","1","7","1") = "6"
    & skf21("5","5","5","5","6","2","1","1") = "5"
    & skf21("5","5","5","5","6","2","2","1") = "5"
    & skf21("5","5","5","5","6","2","3","1") = "5"
    & skf21("5","5","5","5","6","2","4","1") = "5"
    & skf21("5","5","5","5","6","2","5","1") = "5"
    & skf21("5","5","5","5","6","2","6","1") = "5"
    & skf21("5","5","5","5","6","2","7","1") = "6"
    & skf21("5","5","5","5","6","3","1","1") = "5"
    & skf21("5","5","5","5","6","3","2","1") = "5"
    & skf21("5","5","5","5","6","3","3","1") = "5"
    & skf21("5","5","5","5","6","3","4","1") = "5"
    & skf21("5","5","5","5","6","3","5","1") = "5"
    & skf21("5","5","5","5","6","3","6","1") = "5"
    & skf21("5","5","5","5","6","3","7","1") = "6"
    & skf21("5","5","5","5","6","4","1","1") = "5"
    & skf21("5","5","5","5","6","4","2","1") = "5"
    & skf21("5","5","5","5","6","4","3","1") = "5"
    & skf21("5","5","5","5","6","4","4","1") = "5"
    & skf21("5","5","5","5","6","4","5","1") = "5"
    & skf21("5","5","5","5","6","4","6","1") = "5"
    & skf21("5","5","5","5","6","4","7","1") = "6"
    & skf21("5","5","5","5","6","5","1","1") = "5"
    & skf21("5","5","5","5","6","5","2","1") = "5"
    & skf21("5","5","5","5","6","5","3","1") = "5"
    & skf21("5","5","5","5","6","5","4","1") = "5"
    & skf21("5","5","5","5","6","5","5","1") = "5"
    & skf21("5","5","5","5","6","5","6","1") = "5"
    & skf21("5","5","5","5","6","5","7","1") = "6"
    & skf21("5","5","5","5","6","6","1","1") = "5"
    & skf21("5","5","5","5","6","6","2","1") = "5"
    & skf21("5","5","5","5","6","6","3","1") = "5"
    & skf21("5","5","5","5","6","6","4","1") = "5"
    & skf21("5","5","5","5","6","6","5","1") = "5"
    & skf21("5","5","5","5","6","6","6","1") = "5"
    & skf21("5","5","5","5","6","6","7","1") = "6"
    & skf21("5","5","5","5","6","7","1","1") = "6"
    & skf21("5","5","5","5","6","7","2","1") = "6"
    & skf21("5","5","5","5","6","7","3","1") = "6"
    & skf21("5","5","5","5","6","7","4","1") = "6"
    & skf21("5","5","5","5","6","7","5","1") = "6"
    & skf21("5","5","5","5","6","7","6","1") = "6"
    & skf21("5","5","5","5","6","7","7","1") = "6"
    & skf21("5","5","5","5","7","1","1","1") = "6"
    & skf21("5","5","5","5","7","1","2","1") = "6"
    & skf21("5","5","5","5","7","1","3","1") = "6"
    & skf21("5","5","5","5","7","1","4","1") = "6"
    & skf21("5","5","5","5","7","1","5","1") = "6"
    & skf21("5","5","5","5","7","1","6","1") = "6"
    & skf21("5","5","5","5","7","1","7","1") = "6"
    & skf21("5","5","5","5","7","2","1","1") = "6"
    & skf21("5","5","5","5","7","2","2","1") = "6"
    & skf21("5","5","5","5","7","2","3","1") = "6"
    & skf21("5","5","5","5","7","2","4","1") = "6"
    & skf21("5","5","5","5","7","2","5","1") = "6"
    & skf21("5","5","5","5","7","2","6","1") = "6"
    & skf21("5","5","5","5","7","2","7","1") = "6"
    & skf21("5","5","5","5","7","3","1","1") = "6"
    & skf21("5","5","5","5","7","3","2","1") = "6"
    & skf21("5","5","5","5","7","3","3","1") = "6"
    & skf21("5","5","5","5","7","3","4","1") = "6"
    & skf21("5","5","5","5","7","3","5","1") = "6"
    & skf21("5","5","5","5","7","3","6","1") = "6"
    & skf21("5","5","5","5","7","3","7","1") = "6"
    & skf21("5","5","5","5","7","4","1","1") = "6"
    & skf21("5","5","5","5","7","4","2","1") = "6"
    & skf21("5","5","5","5","7","4","3","1") = "6"
    & skf21("5","5","5","5","7","4","4","1") = "6"
    & skf21("5","5","5","5","7","4","5","1") = "6"
    & skf21("5","5","5","5","7","4","6","1") = "6"
    & skf21("5","5","5","5","7","4","7","1") = "6"
    & skf21("5","5","5","5","7","5","1","1") = "6"
    & skf21("5","5","5","5","7","5","2","1") = "6"
    & skf21("5","5","5","5","7","5","3","1") = "6"
    & skf21("5","5","5","5","7","5","4","1") = "6"
    & skf21("5","5","5","5","7","5","5","1") = "6"
    & skf21("5","5","5","5","7","5","6","1") = "6"
    & skf21("5","5","5","5","7","5","7","1") = "6"
    & skf21("5","5","5","5","7","6","1","1") = "6"
    & skf21("5","5","5","5","7","6","2","1") = "6"
    & skf21("5","5","5","5","7","6","3","1") = "6"
    & skf21("5","5","5","5","7","6","4","1") = "6"
    & skf21("5","5","5","5","7","6","5","1") = "6"
    & skf21("5","5","5","5","7","6","6","1") = "6"
    & skf21("5","5","5","5","7","6","7","1") = "6"
    & skf21("5","5","5","5","7","7","1","1") = "6"
    & skf21("5","5","5","5","7","7","2","1") = "6"
    & skf21("5","5","5","5","7","7","3","1") = "6"
    & skf21("5","5","5","5","7","7","4","1") = "6"
    & skf21("5","5","5","5","7","7","5","1") = "6"
    & skf21("5","5","5","5","7","7","6","1") = "6"
    & skf21("5","5","5","5","7","7","7","1") = "6"
    & skf21("5","5","5","6","1","1","1","1") = "5"
    & skf21("5","5","5","6","1","1","2","1") = "5"
    & skf21("5","5","5","6","1","1","3","1") = "5"
    & skf21("5","5","5","6","1","1","4","1") = "5"
    & skf21("5","5","5","6","1","1","5","1") = "5"
    & skf21("5","5","5","6","1","1","6","1") = "5"
    & skf21("5","5","5","6","1","1","7","1") = "6"
    & skf21("5","5","5","6","1","2","1","1") = "5"
    & skf21("5","5","5","6","1","2","2","1") = "5"
    & skf21("5","5","5","6","1","2","3","1") = "5"
    & skf21("5","5","5","6","1","2","4","1") = "5"
    & skf21("5","5","5","6","1","2","5","1") = "5"
    & skf21("5","5","5","6","1","2","6","1") = "5"
    & skf21("5","5","5","6","1","2","7","1") = "6"
    & skf21("5","5","5","6","1","3","1","1") = "5"
    & skf21("5","5","5","6","1","3","2","1") = "5"
    & skf21("5","5","5","6","1","3","3","1") = "5"
    & skf21("5","5","5","6","1","3","4","1") = "5"
    & skf21("5","5","5","6","1","3","5","1") = "5"
    & skf21("5","5","5","6","1","3","6","1") = "5"
    & skf21("5","5","5","6","1","3","7","1") = "6"
    & skf21("5","5","5","6","1","4","1","1") = "5"
    & skf21("5","5","5","6","1","4","2","1") = "5"
    & skf21("5","5","5","6","1","4","3","1") = "5"
    & skf21("5","5","5","6","1","4","4","1") = "5"
    & skf21("5","5","5","6","1","4","5","1") = "5"
    & skf21("5","5","5","6","1","4","6","1") = "5"
    & skf21("5","5","5","6","1","4","7","1") = "6"
    & skf21("5","5","5","6","1","5","1","1") = "5"
    & skf21("5","5","5","6","1","5","2","1") = "5"
    & skf21("5","5","5","6","1","5","3","1") = "5"
    & skf21("5","5","5","6","1","5","4","1") = "5"
    & skf21("5","5","5","6","1","5","5","1") = "5"
    & skf21("5","5","5","6","1","5","6","1") = "5"
    & skf21("5","5","5","6","1","5","7","1") = "6"
    & skf21("5","5","5","6","1","6","1","1") = "5"
    & skf21("5","5","5","6","1","6","2","1") = "5"
    & skf21("5","5","5","6","1","6","3","1") = "5"
    & skf21("5","5","5","6","1","6","4","1") = "5"
    & skf21("5","5","5","6","1","6","5","1") = "5"
    & skf21("5","5","5","6","1","6","6","1") = "5"
    & skf21("5","5","5","6","1","6","7","1") = "6"
    & skf21("5","5","5","6","1","7","1","1") = "6"
    & skf21("5","5","5","6","1","7","2","1") = "6"
    & skf21("5","5","5","6","1","7","3","1") = "6"
    & skf21("5","5","5","6","1","7","4","1") = "6"
    & skf21("5","5","5","6","1","7","5","1") = "6"
    & skf21("5","5","5","6","1","7","6","1") = "6"
    & skf21("5","5","5","6","1","7","7","1") = "6"
    & skf21("5","5","5","6","2","1","1","1") = "5"
    & skf21("5","5","5","6","2","1","2","1") = "5"
    & skf21("5","5","5","6","2","1","3","1") = "5"
    & skf21("5","5","5","6","2","1","4","1") = "5"
    & skf21("5","5","5","6","2","1","5","1") = "5"
    & skf21("5","5","5","6","2","1","6","1") = "5"
    & skf21("5","5","5","6","2","1","7","1") = "6"
    & skf21("5","5","5","6","2","2","1","1") = "5"
    & skf21("5","5","5","6","2","2","2","1") = "5"
    & skf21("5","5","5","6","2","2","3","1") = "5"
    & skf21("5","5","5","6","2","2","4","1") = "5"
    & skf21("5","5","5","6","2","2","5","1") = "5"
    & skf21("5","5","5","6","2","2","6","1") = "5"
    & skf21("5","5","5","6","2","2","7","1") = "6"
    & skf21("5","5","5","6","2","3","1","1") = "5"
    & skf21("5","5","5","6","2","3","2","1") = "5"
    & skf21("5","5","5","6","2","3","3","1") = "5"
    & skf21("5","5","5","6","2","3","4","1") = "5"
    & skf21("5","5","5","6","2","3","5","1") = "5"
    & skf21("5","5","5","6","2","3","6","1") = "5"
    & skf21("5","5","5","6","2","3","7","1") = "6"
    & skf21("5","5","5","6","2","4","1","1") = "5"
    & skf21("5","5","5","6","2","4","2","1") = "5"
    & skf21("5","5","5","6","2","4","3","1") = "5"
    & skf21("5","5","5","6","2","4","4","1") = "5"
    & skf21("5","5","5","6","2","4","5","1") = "5"
    & skf21("5","5","5","6","2","4","6","1") = "5"
    & skf21("5","5","5","6","2","4","7","1") = "6"
    & skf21("5","5","5","6","2","5","1","1") = "5"
    & skf21("5","5","5","6","2","5","2","1") = "5"
    & skf21("5","5","5","6","2","5","3","1") = "5"
    & skf21("5","5","5","6","2","5","4","1") = "5"
    & skf21("5","5","5","6","2","5","5","1") = "5"
    & skf21("5","5","5","6","2","5","6","1") = "5"
    & skf21("5","5","5","6","2","5","7","1") = "6"
    & skf21("5","5","5","6","2","6","1","1") = "5"
    & skf21("5","5","5","6","2","6","2","1") = "5"
    & skf21("5","5","5","6","2","6","3","1") = "5"
    & skf21("5","5","5","6","2","6","4","1") = "5"
    & skf21("5","5","5","6","2","6","5","1") = "5"
    & skf21("5","5","5","6","2","6","6","1") = "5"
    & skf21("5","5","5","6","2","6","7","1") = "6"
    & skf21("5","5","5","6","2","7","1","1") = "6"
    & skf21("5","5","5","6","2","7","2","1") = "6"
    & skf21("5","5","5","6","2","7","3","1") = "6"
    & skf21("5","5","5","6","2","7","4","1") = "6"
    & skf21("5","5","5","6","2","7","5","1") = "6"
    & skf21("5","5","5","6","2","7","6","1") = "6"
    & skf21("5","5","5","6","2","7","7","1") = "6"
    & skf21("5","5","5","6","3","1","1","1") = "5"
    & skf21("5","5","5","6","3","1","2","1") = "5"
    & skf21("5","5","5","6","3","1","3","1") = "5"
    & skf21("5","5","5","6","3","1","4","1") = "5"
    & skf21("5","5","5","6","3","1","5","1") = "5"
    & skf21("5","5","5","6","3","1","6","1") = "5"
    & skf21("5","5","5","6","3","1","7","1") = "6"
    & skf21("5","5","5","6","3","2","1","1") = "5"
    & skf21("5","5","5","6","3","2","2","1") = "5"
    & skf21("5","5","5","6","3","2","3","1") = "5"
    & skf21("5","5","5","6","3","2","4","1") = "5"
    & skf21("5","5","5","6","3","2","5","1") = "5"
    & skf21("5","5","5","6","3","2","6","1") = "5"
    & skf21("5","5","5","6","3","2","7","1") = "6"
    & skf21("5","5","5","6","3","3","1","1") = "5"
    & skf21("5","5","5","6","3","3","2","1") = "5"
    & skf21("5","5","5","6","3","3","3","1") = "5"
    & skf21("5","5","5","6","3","3","4","1") = "5"
    & skf21("5","5","5","6","3","3","5","1") = "5"
    & skf21("5","5","5","6","3","3","6","1") = "5"
    & skf21("5","5","5","6","3","3","7","1") = "6"
    & skf21("5","5","5","6","3","4","1","1") = "5"
    & skf21("5","5","5","6","3","4","2","1") = "5"
    & skf21("5","5","5","6","3","4","3","1") = "5"
    & skf21("5","5","5","6","3","4","4","1") = "5"
    & skf21("5","5","5","6","3","4","5","1") = "5"
    & skf21("5","5","5","6","3","4","6","1") = "5"
    & skf21("5","5","5","6","3","4","7","1") = "6"
    & skf21("5","5","5","6","3","5","1","1") = "5"
    & skf21("5","5","5","6","3","5","2","1") = "5"
    & skf21("5","5","5","6","3","5","3","1") = "5"
    & skf21("5","5","5","6","3","5","4","1") = "5"
    & skf21("5","5","5","6","3","5","5","1") = "5"
    & skf21("5","5","5","6","3","5","6","1") = "5"
    & skf21("5","5","5","6","3","5","7","1") = "6"
    & skf21("5","5","5","6","3","6","1","1") = "5"
    & skf21("5","5","5","6","3","6","2","1") = "5"
    & skf21("5","5","5","6","3","6","3","1") = "5"
    & skf21("5","5","5","6","3","6","4","1") = "5"
    & skf21("5","5","5","6","3","6","5","1") = "5"
    & skf21("5","5","5","6","3","6","6","1") = "5"
    & skf21("5","5","5","6","3","6","7","1") = "6"
    & skf21("5","5","5","6","3","7","1","1") = "6"
    & skf21("5","5","5","6","3","7","2","1") = "6"
    & skf21("5","5","5","6","3","7","3","1") = "6"
    & skf21("5","5","5","6","3","7","4","1") = "6"
    & skf21("5","5","5","6","3","7","5","1") = "6"
    & skf21("5","5","5","6","3","7","6","1") = "6"
    & skf21("5","5","5","6","3","7","7","1") = "6"
    & skf21("5","5","5","6","4","1","1","1") = "5"
    & skf21("5","5","5","6","4","1","2","1") = "5"
    & skf21("5","5","5","6","4","1","3","1") = "5"
    & skf21("5","5","5","6","4","1","4","1") = "5"
    & skf21("5","5","5","6","4","1","5","1") = "5"
    & skf21("5","5","5","6","4","1","6","1") = "5"
    & skf21("5","5","5","6","4","1","7","1") = "6"
    & skf21("5","5","5","6","4","2","1","1") = "5"
    & skf21("5","5","5","6","4","2","2","1") = "5"
    & skf21("5","5","5","6","4","2","3","1") = "5"
    & skf21("5","5","5","6","4","2","4","1") = "5"
    & skf21("5","5","5","6","4","2","5","1") = "5"
    & skf21("5","5","5","6","4","2","6","1") = "5"
    & skf21("5","5","5","6","4","2","7","1") = "6"
    & skf21("5","5","5","6","4","3","1","1") = "5"
    & skf21("5","5","5","6","4","3","2","1") = "5"
    & skf21("5","5","5","6","4","3","3","1") = "5"
    & skf21("5","5","5","6","4","3","4","1") = "5"
    & skf21("5","5","5","6","4","3","5","1") = "5"
    & skf21("5","5","5","6","4","3","6","1") = "5"
    & skf21("5","5","5","6","4","3","7","1") = "6"
    & skf21("5","5","5","6","4","4","1","1") = "5"
    & skf21("5","5","5","6","4","4","2","1") = "5"
    & skf21("5","5","5","6","4","4","3","1") = "5"
    & skf21("5","5","5","6","4","4","4","1") = "5"
    & skf21("5","5","5","6","4","4","5","1") = "5"
    & skf21("5","5","5","6","4","4","6","1") = "5"
    & skf21("5","5","5","6","4","4","7","1") = "6"
    & skf21("5","5","5","6","4","5","1","1") = "5"
    & skf21("5","5","5","6","4","5","2","1") = "5"
    & skf21("5","5","5","6","4","5","3","1") = "5"
    & skf21("5","5","5","6","4","5","4","1") = "5"
    & skf21("5","5","5","6","4","5","5","1") = "5"
    & skf21("5","5","5","6","4","5","6","1") = "5"
    & skf21("5","5","5","6","4","5","7","1") = "6"
    & skf21("5","5","5","6","4","6","1","1") = "5"
    & skf21("5","5","5","6","4","6","2","1") = "5"
    & skf21("5","5","5","6","4","6","3","1") = "5"
    & skf21("5","5","5","6","4","6","4","1") = "5"
    & skf21("5","5","5","6","4","6","5","1") = "5"
    & skf21("5","5","5","6","4","6","6","1") = "5"
    & skf21("5","5","5","6","4","6","7","1") = "6"
    & skf21("5","5","5","6","4","7","1","1") = "6"
    & skf21("5","5","5","6","4","7","2","1") = "6"
    & skf21("5","5","5","6","4","7","3","1") = "6"
    & skf21("5","5","5","6","4","7","4","1") = "6"
    & skf21("5","5","5","6","4","7","5","1") = "6"
    & skf21("5","5","5","6","4","7","6","1") = "6"
    & skf21("5","5","5","6","4","7","7","1") = "6"
    & skf21("5","5","5","6","5","1","1","1") = "5"
    & skf21("5","5","5","6","5","1","2","1") = "5"
    & skf21("5","5","5","6","5","1","3","1") = "5"
    & skf21("5","5","5","6","5","1","4","1") = "5"
    & skf21("5","5","5","6","5","1","5","1") = "5"
    & skf21("5","5","5","6","5","1","6","1") = "5"
    & skf21("5","5","5","6","5","1","7","1") = "6"
    & skf21("5","5","5","6","5","2","1","1") = "5"
    & skf21("5","5","5","6","5","2","2","1") = "5"
    & skf21("5","5","5","6","5","2","3","1") = "5"
    & skf21("5","5","5","6","5","2","4","1") = "5"
    & skf21("5","5","5","6","5","2","5","1") = "5"
    & skf21("5","5","5","6","5","2","6","1") = "5"
    & skf21("5","5","5","6","5","2","7","1") = "6"
    & skf21("5","5","5","6","5","3","1","1") = "5"
    & skf21("5","5","5","6","5","3","2","1") = "5"
    & skf21("5","5","5","6","5","3","3","1") = "5"
    & skf21("5","5","5","6","5","3","4","1") = "5"
    & skf21("5","5","5","6","5","3","5","1") = "5"
    & skf21("5","5","5","6","5","3","6","1") = "5"
    & skf21("5","5","5","6","5","3","7","1") = "6"
    & skf21("5","5","5","6","5","4","1","1") = "5"
    & skf21("5","5","5","6","5","4","2","1") = "5"
    & skf21("5","5","5","6","5","4","3","1") = "5"
    & skf21("5","5","5","6","5","4","4","1") = "5"
    & skf21("5","5","5","6","5","4","5","1") = "5"
    & skf21("5","5","5","6","5","4","6","1") = "5"
    & skf21("5","5","5","6","5","4","7","1") = "6"
    & skf21("5","5","5","6","5","5","1","1") = "5"
    & skf21("5","5","5","6","5","5","2","1") = "5"
    & skf21("5","5","5","6","5","5","3","1") = "5"
    & skf21("5","5","5","6","5","5","4","1") = "5"
    & skf21("5","5","5","6","5","5","5","1") = "5"
    & skf21("5","5","5","6","5","5","6","1") = "5"
    & skf21("5","5","5","6","5","5","7","1") = "6"
    & skf21("5","5","5","6","5","6","1","1") = "5"
    & skf21("5","5","5","6","5","6","2","1") = "5"
    & skf21("5","5","5","6","5","6","3","1") = "5"
    & skf21("5","5","5","6","5","6","4","1") = "5"
    & skf21("5","5","5","6","5","6","5","1") = "5"
    & skf21("5","5","5","6","5","6","6","1") = "5"
    & skf21("5","5","5","6","5","6","7","1") = "6"
    & skf21("5","5","5","6","5","7","1","1") = "6"
    & skf21("5","5","5","6","5","7","2","1") = "6"
    & skf21("5","5","5","6","5","7","3","1") = "6"
    & skf21("5","5","5","6","5","7","4","1") = "6"
    & skf21("5","5","5","6","5","7","5","1") = "6"
    & skf21("5","5","5","6","5","7","6","1") = "6"
    & skf21("5","5","5","6","5","7","7","1") = "6"
    & skf21("5","5","5","6","6","1","1","1") = "5"
    & skf21("5","5","5","6","6","1","2","1") = "5"
    & skf21("5","5","5","6","6","1","3","1") = "5"
    & skf21("5","5","5","6","6","1","4","1") = "5"
    & skf21("5","5","5","6","6","1","5","1") = "5"
    & skf21("5","5","5","6","6","1","6","1") = "5"
    & skf21("5","5","5","6","6","1","7","1") = "6"
    & skf21("5","5","5","6","6","2","1","1") = "5"
    & skf21("5","5","5","6","6","2","2","1") = "5"
    & skf21("5","5","5","6","6","2","3","1") = "5"
    & skf21("5","5","5","6","6","2","4","1") = "5"
    & skf21("5","5","5","6","6","2","5","1") = "5"
    & skf21("5","5","5","6","6","2","6","1") = "5"
    & skf21("5","5","5","6","6","2","7","1") = "6"
    & skf21("5","5","5","6","6","3","1","1") = "5"
    & skf21("5","5","5","6","6","3","2","1") = "5"
    & skf21("5","5","5","6","6","3","3","1") = "5"
    & skf21("5","5","5","6","6","3","4","1") = "5"
    & skf21("5","5","5","6","6","3","5","1") = "5"
    & skf21("5","5","5","6","6","3","6","1") = "5"
    & skf21("5","5","5","6","6","3","7","1") = "6"
    & skf21("5","5","5","6","6","4","1","1") = "5"
    & skf21("5","5","5","6","6","4","2","1") = "5"
    & skf21("5","5","5","6","6","4","3","1") = "5"
    & skf21("5","5","5","6","6","4","4","1") = "5"
    & skf21("5","5","5","6","6","4","5","1") = "5"
    & skf21("5","5","5","6","6","4","6","1") = "5"
    & skf21("5","5","5","6","6","4","7","1") = "6"
    & skf21("5","5","5","6","6","5","1","1") = "5"
    & skf21("5","5","5","6","6","5","2","1") = "5"
    & skf21("5","5","5","6","6","5","3","1") = "5"
    & skf21("5","5","5","6","6","5","4","1") = "5"
    & skf21("5","5","5","6","6","5","5","1") = "5"
    & skf21("5","5","5","6","6","5","6","1") = "5"
    & skf21("5","5","5","6","6","5","7","1") = "6"
    & skf21("5","5","5","6","6","6","1","1") = "5"
    & skf21("5","5","5","6","6","6","2","1") = "5"
    & skf21("5","5","5","6","6","6","3","1") = "5"
    & skf21("5","5","5","6","6","6","4","1") = "5"
    & skf21("5","5","5","6","6","6","5","1") = "5"
    & skf21("5","5","5","6","6","6","6","1") = "5"
    & skf21("5","5","5","6","6","6","7","1") = "6"
    & skf21("5","5","5","6","6","7","1","1") = "6"
    & skf21("5","5","5","6","6","7","2","1") = "6"
    & skf21("5","5","5","6","6","7","3","1") = "6"
    & skf21("5","5","5","6","6","7","4","1") = "6"
    & skf21("5","5","5","6","6","7","5","1") = "6"
    & skf21("5","5","5","6","6","7","6","1") = "6"
    & skf21("5","5","5","6","6","7","7","1") = "6"
    & skf21("5","5","5","6","7","1","1","1") = "6"
    & skf21("5","5","5","6","7","1","2","1") = "6"
    & skf21("5","5","5","6","7","1","3","1") = "6"
    & skf21("5","5","5","6","7","1","4","1") = "6"
    & skf21("5","5","5","6","7","1","5","1") = "6"
    & skf21("5","5","5","6","7","1","6","1") = "6"
    & skf21("5","5","5","6","7","1","7","1") = "6"
    & skf21("5","5","5","6","7","2","1","1") = "6"
    & skf21("5","5","5","6","7","2","2","1") = "6"
    & skf21("5","5","5","6","7","2","3","1") = "6"
    & skf21("5","5","5","6","7","2","4","1") = "6"
    & skf21("5","5","5","6","7","2","5","1") = "6"
    & skf21("5","5","5","6","7","2","6","1") = "6"
    & skf21("5","5","5","6","7","2","7","1") = "6"
    & skf21("5","5","5","6","7","3","1","1") = "6"
    & skf21("5","5","5","6","7","3","2","1") = "6"
    & skf21("5","5","5","6","7","3","3","1") = "6"
    & skf21("5","5","5","6","7","3","4","1") = "6"
    & skf21("5","5","5","6","7","3","5","1") = "6"
    & skf21("5","5","5","6","7","3","6","1") = "6"
    & skf21("5","5","5","6","7","3","7","1") = "6"
    & skf21("5","5","5","6","7","4","1","1") = "6"
    & skf21("5","5","5","6","7","4","2","1") = "6"
    & skf21("5","5","5","6","7","4","3","1") = "6"
    & skf21("5","5","5","6","7","4","4","1") = "6"
    & skf21("5","5","5","6","7","4","5","1") = "6"
    & skf21("5","5","5","6","7","4","6","1") = "6"
    & skf21("5","5","5","6","7","4","7","1") = "6"
    & skf21("5","5","5","6","7","5","1","1") = "6"
    & skf21("5","5","5","6","7","5","2","1") = "6"
    & skf21("5","5","5","6","7","5","3","1") = "6"
    & skf21("5","5","5","6","7","5","4","1") = "6"
    & skf21("5","5","5","6","7","5","5","1") = "6"
    & skf21("5","5","5","6","7","5","6","1") = "6"
    & skf21("5","5","5","6","7","5","7","1") = "6"
    & skf21("5","5","5","6","7","6","1","1") = "6"
    & skf21("5","5","5","6","7","6","2","1") = "6"
    & skf21("5","5","5","6","7","6","3","1") = "6"
    & skf21("5","5","5","6","7","6","4","1") = "6"
    & skf21("5","5","5","6","7","6","5","1") = "6"
    & skf21("5","5","5","6","7","6","6","1") = "6"
    & skf21("5","5","5","6","7","6","7","1") = "6"
    & skf21("5","5","5","6","7","7","1","1") = "6"
    & skf21("5","5","5","6","7","7","2","1") = "6"
    & skf21("5","5","5","6","7","7","3","1") = "6"
    & skf21("5","5","5","6","7","7","4","1") = "6"
    & skf21("5","5","5","6","7","7","5","1") = "6"
    & skf21("5","5","5","6","7","7","6","1") = "6"
    & skf21("5","5","5","6","7","7","7","1") = "6"
    & skf21("5","5","5","7","1","1","1","1") = "6"
    & skf21("5","5","5","7","1","1","2","1") = "6"
    & skf21("5","5","5","7","1","1","3","1") = "6"
    & skf21("5","5","5","7","1","1","4","1") = "6"
    & skf21("5","5","5","7","1","1","5","1") = "6"
    & skf21("5","5","5","7","1","1","6","1") = "6"
    & skf21("5","5","5","7","1","1","7","1") = "6"
    & skf21("5","5","5","7","1","2","1","1") = "6"
    & skf21("5","5","5","7","1","2","2","1") = "6"
    & skf21("5","5","5","7","1","2","3","1") = "6"
    & skf21("5","5","5","7","1","2","4","1") = "6"
    & skf21("5","5","5","7","1","2","5","1") = "6"
    & skf21("5","5","5","7","1","2","6","1") = "6"
    & skf21("5","5","5","7","1","2","7","1") = "6"
    & skf21("5","5","5","7","1","3","1","1") = "6"
    & skf21("5","5","5","7","1","3","2","1") = "6"
    & skf21("5","5","5","7","1","3","3","1") = "6"
    & skf21("5","5","5","7","1","3","4","1") = "6"
    & skf21("5","5","5","7","1","3","5","1") = "6"
    & skf21("5","5","5","7","1","3","6","1") = "6"
    & skf21("5","5","5","7","1","3","7","1") = "6"
    & skf21("5","5","5","7","1","4","1","1") = "6"
    & skf21("5","5","5","7","1","4","2","1") = "6"
    & skf21("5","5","5","7","1","4","3","1") = "6"
    & skf21("5","5","5","7","1","4","4","1") = "6"
    & skf21("5","5","5","7","1","4","5","1") = "6"
    & skf21("5","5","5","7","1","4","6","1") = "6"
    & skf21("5","5","5","7","1","4","7","1") = "6"
    & skf21("5","5","5","7","1","5","1","1") = "6"
    & skf21("5","5","5","7","1","5","2","1") = "6"
    & skf21("5","5","5","7","1","5","3","1") = "6"
    & skf21("5","5","5","7","1","5","4","1") = "6"
    & skf21("5","5","5","7","1","5","5","1") = "6"
    & skf21("5","5","5","7","1","5","6","1") = "6"
    & skf21("5","5","5","7","1","5","7","1") = "6"
    & skf21("5","5","5","7","1","6","1","1") = "6"
    & skf21("5","5","5","7","1","6","2","1") = "6"
    & skf21("5","5","5","7","1","6","3","1") = "6"
    & skf21("5","5","5","7","1","6","4","1") = "6"
    & skf21("5","5","5","7","1","6","5","1") = "6"
    & skf21("5","5","5","7","1","6","6","1") = "6"
    & skf21("5","5","5","7","1","6","7","1") = "6"
    & skf21("5","5","5","7","1","7","1","1") = "6"
    & skf21("5","5","5","7","1","7","2","1") = "6"
    & skf21("5","5","5","7","1","7","3","1") = "6"
    & skf21("5","5","5","7","1","7","4","1") = "6"
    & skf21("5","5","5","7","1","7","5","1") = "6"
    & skf21("5","5","5","7","1","7","6","1") = "6"
    & skf21("5","5","5","7","1","7","7","1") = "6"
    & skf21("5","5","5","7","2","1","1","1") = "6"
    & skf21("5","5","5","7","2","1","2","1") = "6"
    & skf21("5","5","5","7","2","1","3","1") = "6"
    & skf21("5","5","5","7","2","1","4","1") = "6"
    & skf21("5","5","5","7","2","1","5","1") = "6"
    & skf21("5","5","5","7","2","1","6","1") = "6"
    & skf21("5","5","5","7","2","1","7","1") = "6"
    & skf21("5","5","5","7","2","2","1","1") = "6"
    & skf21("5","5","5","7","2","2","2","1") = "6"
    & skf21("5","5","5","7","2","2","3","1") = "6"
    & skf21("5","5","5","7","2","2","4","1") = "6"
    & skf21("5","5","5","7","2","2","5","1") = "6"
    & skf21("5","5","5","7","2","2","6","1") = "6"
    & skf21("5","5","5","7","2","2","7","1") = "6"
    & skf21("5","5","5","7","2","3","1","1") = "6"
    & skf21("5","5","5","7","2","3","2","1") = "6"
    & skf21("5","5","5","7","2","3","3","1") = "6"
    & skf21("5","5","5","7","2","3","4","1") = "6"
    & skf21("5","5","5","7","2","3","5","1") = "6"
    & skf21("5","5","5","7","2","3","6","1") = "6"
    & skf21("5","5","5","7","2","3","7","1") = "6"
    & skf21("5","5","5","7","2","4","1","1") = "6"
    & skf21("5","5","5","7","2","4","2","1") = "6"
    & skf21("5","5","5","7","2","4","3","1") = "6"
    & skf21("5","5","5","7","2","4","4","1") = "6"
    & skf21("5","5","5","7","2","4","5","1") = "6"
    & skf21("5","5","5","7","2","4","6","1") = "6"
    & skf21("5","5","5","7","2","4","7","1") = "6"
    & skf21("5","5","5","7","2","5","1","1") = "6"
    & skf21("5","5","5","7","2","5","2","1") = "6"
    & skf21("5","5","5","7","2","5","3","1") = "6"
    & skf21("5","5","5","7","2","5","4","1") = "6"
    & skf21("5","5","5","7","2","5","5","1") = "6"
    & skf21("5","5","5","7","2","5","6","1") = "6"
    & skf21("5","5","5","7","2","5","7","1") = "6"
    & skf21("5","5","5","7","2","6","1","1") = "6"
    & skf21("5","5","5","7","2","6","2","1") = "6"
    & skf21("5","5","5","7","2","6","3","1") = "6"
    & skf21("5","5","5","7","2","6","4","1") = "6"
    & skf21("5","5","5","7","2","6","5","1") = "6"
    & skf21("5","5","5","7","2","6","6","1") = "6"
    & skf21("5","5","5","7","2","6","7","1") = "6"
    & skf21("5","5","5","7","2","7","1","1") = "6"
    & skf21("5","5","5","7","2","7","2","1") = "6"
    & skf21("5","5","5","7","2","7","3","1") = "6"
    & skf21("5","5","5","7","2","7","4","1") = "6"
    & skf21("5","5","5","7","2","7","5","1") = "6"
    & skf21("5","5","5","7","2","7","6","1") = "6"
    & skf21("5","5","5","7","2","7","7","1") = "6"
    & skf21("5","5","5","7","3","1","1","1") = "6"
    & skf21("5","5","5","7","3","1","2","1") = "6"
    & skf21("5","5","5","7","3","1","3","1") = "6"
    & skf21("5","5","5","7","3","1","4","1") = "6"
    & skf21("5","5","5","7","3","1","5","1") = "6"
    & skf21("5","5","5","7","3","1","6","1") = "6"
    & skf21("5","5","5","7","3","1","7","1") = "6"
    & skf21("5","5","5","7","3","2","1","1") = "6"
    & skf21("5","5","5","7","3","2","2","1") = "6"
    & skf21("5","5","5","7","3","2","3","1") = "6"
    & skf21("5","5","5","7","3","2","4","1") = "6"
    & skf21("5","5","5","7","3","2","5","1") = "6"
    & skf21("5","5","5","7","3","2","6","1") = "6"
    & skf21("5","5","5","7","3","2","7","1") = "6"
    & skf21("5","5","5","7","3","3","1","1") = "6"
    & skf21("5","5","5","7","3","3","2","1") = "6"
    & skf21("5","5","5","7","3","3","3","1") = "6"
    & skf21("5","5","5","7","3","3","4","1") = "6"
    & skf21("5","5","5","7","3","3","5","1") = "6"
    & skf21("5","5","5","7","3","3","6","1") = "6"
    & skf21("5","5","5","7","3","3","7","1") = "6"
    & skf21("5","5","5","7","3","4","1","1") = "6"
    & skf21("5","5","5","7","3","4","2","1") = "6"
    & skf21("5","5","5","7","3","4","3","1") = "6"
    & skf21("5","5","5","7","3","4","4","1") = "6"
    & skf21("5","5","5","7","3","4","5","1") = "6"
    & skf21("5","5","5","7","3","4","6","1") = "6"
    & skf21("5","5","5","7","3","4","7","1") = "6"
    & skf21("5","5","5","7","3","5","1","1") = "6"
    & skf21("5","5","5","7","3","5","2","1") = "6"
    & skf21("5","5","5","7","3","5","3","1") = "6"
    & skf21("5","5","5","7","3","5","4","1") = "6"
    & skf21("5","5","5","7","3","5","5","1") = "6"
    & skf21("5","5","5","7","3","5","6","1") = "6"
    & skf21("5","5","5","7","3","5","7","1") = "6"
    & skf21("5","5","5","7","3","6","1","1") = "6"
    & skf21("5","5","5","7","3","6","2","1") = "6"
    & skf21("5","5","5","7","3","6","3","1") = "6"
    & skf21("5","5","5","7","3","6","4","1") = "6"
    & skf21("5","5","5","7","3","6","5","1") = "6"
    & skf21("5","5","5","7","3","6","6","1") = "6"
    & skf21("5","5","5","7","3","6","7","1") = "6"
    & skf21("5","5","5","7","3","7","1","1") = "6"
    & skf21("5","5","5","7","3","7","2","1") = "6"
    & skf21("5","5","5","7","3","7","3","1") = "6"
    & skf21("5","5","5","7","3","7","4","1") = "6"
    & skf21("5","5","5","7","3","7","5","1") = "6"
    & skf21("5","5","5","7","3","7","6","1") = "6"
    & skf21("5","5","5","7","3","7","7","1") = "6"
    & skf21("5","5","5","7","4","1","1","1") = "6"
    & skf21("5","5","5","7","4","1","2","1") = "6"
    & skf21("5","5","5","7","4","1","3","1") = "6"
    & skf21("5","5","5","7","4","1","4","1") = "6"
    & skf21("5","5","5","7","4","1","5","1") = "6"
    & skf21("5","5","5","7","4","1","6","1") = "6"
    & skf21("5","5","5","7","4","1","7","1") = "6"
    & skf21("5","5","5","7","4","2","1","1") = "6"
    & skf21("5","5","5","7","4","2","2","1") = "6"
    & skf21("5","5","5","7","4","2","3","1") = "6"
    & skf21("5","5","5","7","4","2","4","1") = "6"
    & skf21("5","5","5","7","4","2","5","1") = "6"
    & skf21("5","5","5","7","4","2","6","1") = "6"
    & skf21("5","5","5","7","4","2","7","1") = "6"
    & skf21("5","5","5","7","4","3","1","1") = "6"
    & skf21("5","5","5","7","4","3","2","1") = "6"
    & skf21("5","5","5","7","4","3","3","1") = "6"
    & skf21("5","5","5","7","4","3","4","1") = "6"
    & skf21("5","5","5","7","4","3","5","1") = "6"
    & skf21("5","5","5","7","4","3","6","1") = "6"
    & skf21("5","5","5","7","4","3","7","1") = "6"
    & skf21("5","5","5","7","4","4","1","1") = "6"
    & skf21("5","5","5","7","4","4","2","1") = "6"
    & skf21("5","5","5","7","4","4","3","1") = "6"
    & skf21("5","5","5","7","4","4","4","1") = "6"
    & skf21("5","5","5","7","4","4","5","1") = "6"
    & skf21("5","5","5","7","4","4","6","1") = "6"
    & skf21("5","5","5","7","4","4","7","1") = "6"
    & skf21("5","5","5","7","4","5","1","1") = "6"
    & skf21("5","5","5","7","4","5","2","1") = "6"
    & skf21("5","5","5","7","4","5","3","1") = "6"
    & skf21("5","5","5","7","4","5","4","1") = "6"
    & skf21("5","5","5","7","4","5","5","1") = "6"
    & skf21("5","5","5","7","4","5","6","1") = "6"
    & skf21("5","5","5","7","4","5","7","1") = "6"
    & skf21("5","5","5","7","4","6","1","1") = "6"
    & skf21("5","5","5","7","4","6","2","1") = "6"
    & skf21("5","5","5","7","4","6","3","1") = "6"
    & skf21("5","5","5","7","4","6","4","1") = "6"
    & skf21("5","5","5","7","4","6","5","1") = "6"
    & skf21("5","5","5","7","4","6","6","1") = "6"
    & skf21("5","5","5","7","4","6","7","1") = "6"
    & skf21("5","5","5","7","4","7","1","1") = "6"
    & skf21("5","5","5","7","4","7","2","1") = "6"
    & skf21("5","5","5","7","4","7","3","1") = "6"
    & skf21("5","5","5","7","4","7","4","1") = "6"
    & skf21("5","5","5","7","4","7","5","1") = "6"
    & skf21("5","5","5","7","4","7","6","1") = "6"
    & skf21("5","5","5","7","4","7","7","1") = "6"
    & skf21("5","5","5","7","5","1","1","1") = "6"
    & skf21("5","5","5","7","5","1","2","1") = "6"
    & skf21("5","5","5","7","5","1","3","1") = "6"
    & skf21("5","5","5","7","5","1","4","1") = "6"
    & skf21("5","5","5","7","5","1","5","1") = "6"
    & skf21("5","5","5","7","5","1","6","1") = "6"
    & skf21("5","5","5","7","5","1","7","1") = "6"
    & skf21("5","5","5","7","5","2","1","1") = "6"
    & skf21("5","5","5","7","5","2","2","1") = "6"
    & skf21("5","5","5","7","5","2","3","1") = "6"
    & skf21("5","5","5","7","5","2","4","1") = "6"
    & skf21("5","5","5","7","5","2","5","1") = "6"
    & skf21("5","5","5","7","5","2","6","1") = "6"
    & skf21("5","5","5","7","5","2","7","1") = "6"
    & skf21("5","5","5","7","5","3","1","1") = "6"
    & skf21("5","5","5","7","5","3","2","1") = "6"
    & skf21("5","5","5","7","5","3","3","1") = "6"
    & skf21("5","5","5","7","5","3","4","1") = "6"
    & skf21("5","5","5","7","5","3","5","1") = "6"
    & skf21("5","5","5","7","5","3","6","1") = "6"
    & skf21("5","5","5","7","5","3","7","1") = "6"
    & skf21("5","5","5","7","5","4","1","1") = "6"
    & skf21("5","5","5","7","5","4","2","1") = "6"
    & skf21("5","5","5","7","5","4","3","1") = "6"
    & skf21("5","5","5","7","5","4","4","1") = "6"
    & skf21("5","5","5","7","5","4","5","1") = "6"
    & skf21("5","5","5","7","5","4","6","1") = "6"
    & skf21("5","5","5","7","5","4","7","1") = "6"
    & skf21("5","5","5","7","5","5","1","1") = "6"
    & skf21("5","5","5","7","5","5","2","1") = "6"
    & skf21("5","5","5","7","5","5","3","1") = "6"
    & skf21("5","5","5","7","5","5","4","1") = "6"
    & skf21("5","5","5","7","5","5","5","1") = "6"
    & skf21("5","5","5","7","5","5","6","1") = "6"
    & skf21("5","5","5","7","5","5","7","1") = "6"
    & skf21("5","5","5","7","5","6","1","1") = "6"
    & skf21("5","5","5","7","5","6","2","1") = "6"
    & skf21("5","5","5","7","5","6","3","1") = "6"
    & skf21("5","5","5","7","5","6","4","1") = "6"
    & skf21("5","5","5","7","5","6","5","1") = "6"
    & skf21("5","5","5","7","5","6","6","1") = "6"
    & skf21("5","5","5","7","5","6","7","1") = "6"
    & skf21("5","5","5","7","5","7","1","1") = "6"
    & skf21("5","5","5","7","5","7","2","1") = "6"
    & skf21("5","5","5","7","5","7","3","1") = "6"
    & skf21("5","5","5","7","5","7","4","1") = "6"
    & skf21("5","5","5","7","5","7","5","1") = "6"
    & skf21("5","5","5","7","5","7","6","1") = "6"
    & skf21("5","5","5","7","5","7","7","1") = "6"
    & skf21("5","5","5","7","6","1","1","1") = "6"
    & skf21("5","5","5","7","6","1","2","1") = "6"
    & skf21("5","5","5","7","6","1","3","1") = "6"
    & skf21("5","5","5","7","6","1","4","1") = "6"
    & skf21("5","5","5","7","6","1","5","1") = "6"
    & skf21("5","5","5","7","6","1","6","1") = "6"
    & skf21("5","5","5","7","6","1","7","1") = "6"
    & skf21("5","5","5","7","6","2","1","1") = "6"
    & skf21("5","5","5","7","6","2","2","1") = "6"
    & skf21("5","5","5","7","6","2","3","1") = "6"
    & skf21("5","5","5","7","6","2","4","1") = "6"
    & skf21("5","5","5","7","6","2","5","1") = "6"
    & skf21("5","5","5","7","6","2","6","1") = "6"
    & skf21("5","5","5","7","6","2","7","1") = "6"
    & skf21("5","5","5","7","6","3","1","1") = "6"
    & skf21("5","5","5","7","6","3","2","1") = "6"
    & skf21("5","5","5","7","6","3","3","1") = "6"
    & skf21("5","5","5","7","6","3","4","1") = "6"
    & skf21("5","5","5","7","6","3","5","1") = "6"
    & skf21("5","5","5","7","6","3","6","1") = "6"
    & skf21("5","5","5","7","6","3","7","1") = "6"
    & skf21("5","5","5","7","6","4","1","1") = "6"
    & skf21("5","5","5","7","6","4","2","1") = "6"
    & skf21("5","5","5","7","6","4","3","1") = "6"
    & skf21("5","5","5","7","6","4","4","1") = "6"
    & skf21("5","5","5","7","6","4","5","1") = "6"
    & skf21("5","5","5","7","6","4","6","1") = "6"
    & skf21("5","5","5","7","6","4","7","1") = "6"
    & skf21("5","5","5","7","6","5","1","1") = "6"
    & skf21("5","5","5","7","6","5","2","1") = "6"
    & skf21("5","5","5","7","6","5","3","1") = "6"
    & skf21("5","5","5","7","6","5","4","1") = "6"
    & skf21("5","5","5","7","6","5","5","1") = "6"
    & skf21("5","5","5","7","6","5","6","1") = "6"
    & skf21("5","5","5","7","6","5","7","1") = "6"
    & skf21("5","5","5","7","6","6","1","1") = "6"
    & skf21("5","5","5","7","6","6","2","1") = "6"
    & skf21("5","5","5","7","6","6","3","1") = "6"
    & skf21("5","5","5","7","6","6","4","1") = "6"
    & skf21("5","5","5","7","6","6","5","1") = "6"
    & skf21("5","5","5","7","6","6","6","1") = "6"
    & skf21("5","5","5","7","6","6","7","1") = "6"
    & skf21("5","5","5","7","6","7","1","1") = "6"
    & skf21("5","5","5","7","6","7","2","1") = "6"
    & skf21("5","5","5","7","6","7","3","1") = "6"
    & skf21("5","5","5","7","6","7","4","1") = "6"
    & skf21("5","5","5","7","6","7","5","1") = "6"
    & skf21("5","5","5","7","6","7","6","1") = "6"
    & skf21("5","5","5","7","6","7","7","1") = "6"
    & skf21("5","5","5","7","7","1","1","1") = "6"
    & skf21("5","5","5","7","7","1","2","1") = "6"
    & skf21("5","5","5","7","7","1","3","1") = "6"
    & skf21("5","5","5","7","7","1","4","1") = "6"
    & skf21("5","5","5","7","7","1","5","1") = "6"
    & skf21("5","5","5","7","7","1","6","1") = "6"
    & skf21("5","5","5","7","7","1","7","1") = "6"
    & skf21("5","5","5","7","7","2","1","1") = "6"
    & skf21("5","5","5","7","7","2","2","1") = "6"
    & skf21("5","5","5","7","7","2","3","1") = "6"
    & skf21("5","5","5","7","7","2","4","1") = "6"
    & skf21("5","5","5","7","7","2","5","1") = "6"
    & skf21("5","5","5","7","7","2","6","1") = "6"
    & skf21("5","5","5","7","7","2","7","1") = "6"
    & skf21("5","5","5","7","7","3","1","1") = "6"
    & skf21("5","5","5","7","7","3","2","1") = "6"
    & skf21("5","5","5","7","7","3","3","1") = "6"
    & skf21("5","5","5","7","7","3","4","1") = "6"
    & skf21("5","5","5","7","7","3","5","1") = "6"
    & skf21("5","5","5","7","7","3","6","1") = "6"
    & skf21("5","5","5","7","7","3","7","1") = "6"
    & skf21("5","5","5","7","7","4","1","1") = "6"
    & skf21("5","5","5","7","7","4","2","1") = "6"
    & skf21("5","5","5","7","7","4","3","1") = "6"
    & skf21("5","5","5","7","7","4","4","1") = "6"
    & skf21("5","5","5","7","7","4","5","1") = "6"
    & skf21("5","5","5","7","7","4","6","1") = "6"
    & skf21("5","5","5","7","7","4","7","1") = "6"
    & skf21("5","5","5","7","7","5","1","1") = "6"
    & skf21("5","5","5","7","7","5","2","1") = "6"
    & skf21("5","5","5","7","7","5","3","1") = "6"
    & skf21("5","5","5","7","7","5","4","1") = "6"
    & skf21("5","5","5","7","7","5","5","1") = "6"
    & skf21("5","5","5","7","7","5","6","1") = "6"
    & skf21("5","5","5","7","7","5","7","1") = "6"
    & skf21("5","5","5","7","7","6","1","1") = "6"
    & skf21("5","5","5","7","7","6","2","1") = "6"
    & skf21("5","5","5","7","7","6","3","1") = "6"
    & skf21("5","5","5","7","7","6","4","1") = "6"
    & skf21("5","5","5","7","7","6","5","1") = "6"
    & skf21("5","5","5","7","7","6","6","1") = "6"
    & skf21("5","5","5","7","7","6","7","1") = "6"
    & skf21("5","5","5","7","7","7","1","1") = "6"
    & skf21("5","5","5","7","7","7","2","1") = "6"
    & skf21("5","5","5","7","7","7","3","1") = "6"
    & skf21("5","5","5","7","7","7","4","1") = "6"
    & skf21("5","5","5","7","7","7","5","1") = "6"
    & skf21("5","5","5","7","7","7","6","1") = "6"
    & skf21("5","5","5","7","7","7","7","1") = "6"
    & skf21("5","5","6","1","1","1","1","1") = "5"
    & skf21("5","5","6","1","1","1","2","1") = "5"
    & skf21("5","5","6","1","1","1","3","1") = "5"
    & skf21("5","5","6","1","1","1","4","1") = "5"
    & skf21("5","5","6","1","1","1","5","1") = "5"
    & skf21("5","5","6","1","1","1","6","1") = "5"
    & skf21("5","5","6","1","1","1","7","1") = "6"
    & skf21("5","5","6","1","1","2","1","1") = "5"
    & skf21("5","5","6","1","1","2","2","1") = "5"
    & skf21("5","5","6","1","1","2","3","1") = "5"
    & skf21("5","5","6","1","1","2","4","1") = "5"
    & skf21("5","5","6","1","1","2","5","1") = "5"
    & skf21("5","5","6","1","1","2","6","1") = "5"
    & skf21("5","5","6","1","1","2","7","1") = "6"
    & skf21("5","5","6","1","1","3","1","1") = "5"
    & skf21("5","5","6","1","1","3","2","1") = "5"
    & skf21("5","5","6","1","1","3","3","1") = "5"
    & skf21("5","5","6","1","1","3","4","1") = "5"
    & skf21("5","5","6","1","1","3","5","1") = "5"
    & skf21("5","5","6","1","1","3","6","1") = "5"
    & skf21("5","5","6","1","1","3","7","1") = "6"
    & skf21("5","5","6","1","1","4","1","1") = "5"
    & skf21("5","5","6","1","1","4","2","1") = "5"
    & skf21("5","5","6","1","1","4","3","1") = "5"
    & skf21("5","5","6","1","1","4","4","1") = "5"
    & skf21("5","5","6","1","1","4","5","1") = "5"
    & skf21("5","5","6","1","1","4","6","1") = "5"
    & skf21("5","5","6","1","1","4","7","1") = "6"
    & skf21("5","5","6","1","1","5","1","1") = "5"
    & skf21("5","5","6","1","1","5","2","1") = "5"
    & skf21("5","5","6","1","1","5","3","1") = "5"
    & skf21("5","5","6","1","1","5","4","1") = "5"
    & skf21("5","5","6","1","1","5","5","1") = "5"
    & skf21("5","5","6","1","1","5","6","1") = "5"
    & skf21("5","5","6","1","1","5","7","1") = "6"
    & skf21("5","5","6","1","1","6","1","1") = "5"
    & skf21("5","5","6","1","1","6","2","1") = "5"
    & skf21("5","5","6","1","1","6","3","1") = "5"
    & skf21("5","5","6","1","1","6","4","1") = "5"
    & skf21("5","5","6","1","1","6","5","1") = "5"
    & skf21("5","5","6","1","1","6","6","1") = "5"
    & skf21("5","5","6","1","1","6","7","1") = "6"
    & skf21("5","5","6","1","1","7","1","1") = "6"
    & skf21("5","5","6","1","1","7","2","1") = "6"
    & skf21("5","5","6","1","1","7","3","1") = "6"
    & skf21("5","5","6","1","1","7","4","1") = "6"
    & skf21("5","5","6","1","1","7","5","1") = "6"
    & skf21("5","5","6","1","1","7","6","1") = "6"
    & skf21("5","5","6","1","1","7","7","1") = "6"
    & skf21("5","5","6","1","2","1","1","1") = "5"
    & skf21("5","5","6","1","2","1","2","1") = "5"
    & skf21("5","5","6","1","2","1","3","1") = "5"
    & skf21("5","5","6","1","2","1","4","1") = "5"
    & skf21("5","5","6","1","2","1","5","1") = "5"
    & skf21("5","5","6","1","2","1","6","1") = "5"
    & skf21("5","5","6","1","2","1","7","1") = "6"
    & skf21("5","5","6","1","2","2","1","1") = "5"
    & skf21("5","5","6","1","2","2","2","1") = "5"
    & skf21("5","5","6","1","2","2","3","1") = "5"
    & skf21("5","5","6","1","2","2","4","1") = "5"
    & skf21("5","5","6","1","2","2","5","1") = "5"
    & skf21("5","5","6","1","2","2","6","1") = "5"
    & skf21("5","5","6","1","2","2","7","1") = "6"
    & skf21("5","5","6","1","2","3","1","1") = "5"
    & skf21("5","5","6","1","2","3","2","1") = "5"
    & skf21("5","5","6","1","2","3","3","1") = "5"
    & skf21("5","5","6","1","2","3","4","1") = "5"
    & skf21("5","5","6","1","2","3","5","1") = "5"
    & skf21("5","5","6","1","2","3","6","1") = "5"
    & skf21("5","5","6","1","2","3","7","1") = "6"
    & skf21("5","5","6","1","2","4","1","1") = "5"
    & skf21("5","5","6","1","2","4","2","1") = "5"
    & skf21("5","5","6","1","2","4","3","1") = "5"
    & skf21("5","5","6","1","2","4","4","1") = "5"
    & skf21("5","5","6","1","2","4","5","1") = "5"
    & skf21("5","5","6","1","2","4","6","1") = "5"
    & skf21("5","5","6","1","2","4","7","1") = "6"
    & skf21("5","5","6","1","2","5","1","1") = "5"
    & skf21("5","5","6","1","2","5","2","1") = "5"
    & skf21("5","5","6","1","2","5","3","1") = "5"
    & skf21("5","5","6","1","2","5","4","1") = "5"
    & skf21("5","5","6","1","2","5","5","1") = "5"
    & skf21("5","5","6","1","2","5","6","1") = "5"
    & skf21("5","5","6","1","2","5","7","1") = "6"
    & skf21("5","5","6","1","2","6","1","1") = "5"
    & skf21("5","5","6","1","2","6","2","1") = "5"
    & skf21("5","5","6","1","2","6","3","1") = "5"
    & skf21("5","5","6","1","2","6","4","1") = "5"
    & skf21("5","5","6","1","2","6","5","1") = "5"
    & skf21("5","5","6","1","2","6","6","1") = "5"
    & skf21("5","5","6","1","2","6","7","1") = "6"
    & skf21("5","5","6","1","2","7","1","1") = "6"
    & skf21("5","5","6","1","2","7","2","1") = "6"
    & skf21("5","5","6","1","2","7","3","1") = "6"
    & skf21("5","5","6","1","2","7","4","1") = "6"
    & skf21("5","5","6","1","2","7","5","1") = "6"
    & skf21("5","5","6","1","2","7","6","1") = "6"
    & skf21("5","5","6","1","2","7","7","1") = "6"
    & skf21("5","5","6","1","3","1","1","1") = "5"
    & skf21("5","5","6","1","3","1","2","1") = "5"
    & skf21("5","5","6","1","3","1","3","1") = "5"
    & skf21("5","5","6","1","3","1","4","1") = "5"
    & skf21("5","5","6","1","3","1","5","1") = "5"
    & skf21("5","5","6","1","3","1","6","1") = "5"
    & skf21("5","5","6","1","3","1","7","1") = "6"
    & skf21("5","5","6","1","3","2","1","1") = "5"
    & skf21("5","5","6","1","3","2","2","1") = "5"
    & skf21("5","5","6","1","3","2","3","1") = "5"
    & skf21("5","5","6","1","3","2","4","1") = "5"
    & skf21("5","5","6","1","3","2","5","1") = "5"
    & skf21("5","5","6","1","3","2","6","1") = "5"
    & skf21("5","5","6","1","3","2","7","1") = "6"
    & skf21("5","5","6","1","3","3","1","1") = "5"
    & skf21("5","5","6","1","3","3","2","1") = "5"
    & skf21("5","5","6","1","3","3","3","1") = "5"
    & skf21("5","5","6","1","3","3","4","1") = "5"
    & skf21("5","5","6","1","3","3","5","1") = "5"
    & skf21("5","5","6","1","3","3","6","1") = "5"
    & skf21("5","5","6","1","3","3","7","1") = "6"
    & skf21("5","5","6","1","3","4","1","1") = "5"
    & skf21("5","5","6","1","3","4","2","1") = "5"
    & skf21("5","5","6","1","3","4","3","1") = "5"
    & skf21("5","5","6","1","3","4","4","1") = "5"
    & skf21("5","5","6","1","3","4","5","1") = "5"
    & skf21("5","5","6","1","3","4","6","1") = "5"
    & skf21("5","5","6","1","3","4","7","1") = "6"
    & skf21("5","5","6","1","3","5","1","1") = "5"
    & skf21("5","5","6","1","3","5","2","1") = "5"
    & skf21("5","5","6","1","3","5","3","1") = "5"
    & skf21("5","5","6","1","3","5","4","1") = "5"
    & skf21("5","5","6","1","3","5","5","1") = "5"
    & skf21("5","5","6","1","3","5","6","1") = "5"
    & skf21("5","5","6","1","3","5","7","1") = "6"
    & skf21("5","5","6","1","3","6","1","1") = "5"
    & skf21("5","5","6","1","3","6","2","1") = "5"
    & skf21("5","5","6","1","3","6","3","1") = "5"
    & skf21("5","5","6","1","3","6","4","1") = "5"
    & skf21("5","5","6","1","3","6","5","1") = "5"
    & skf21("5","5","6","1","3","6","6","1") = "5"
    & skf21("5","5","6","1","3","6","7","1") = "6"
    & skf21("5","5","6","1","3","7","1","1") = "6"
    & skf21("5","5","6","1","3","7","2","1") = "6"
    & skf21("5","5","6","1","3","7","3","1") = "6"
    & skf21("5","5","6","1","3","7","4","1") = "6"
    & skf21("5","5","6","1","3","7","5","1") = "6"
    & skf21("5","5","6","1","3","7","6","1") = "6"
    & skf21("5","5","6","1","3","7","7","1") = "6"
    & skf21("5","5","6","1","4","1","1","1") = "5"
    & skf21("5","5","6","1","4","1","2","1") = "5"
    & skf21("5","5","6","1","4","1","3","1") = "5"
    & skf21("5","5","6","1","4","1","4","1") = "5"
    & skf21("5","5","6","1","4","1","5","1") = "5"
    & skf21("5","5","6","1","4","1","6","1") = "5"
    & skf21("5","5","6","1","4","1","7","1") = "6"
    & skf21("5","5","6","1","4","2","1","1") = "5"
    & skf21("5","5","6","1","4","2","2","1") = "5"
    & skf21("5","5","6","1","4","2","3","1") = "5"
    & skf21("5","5","6","1","4","2","4","1") = "5"
    & skf21("5","5","6","1","4","2","5","1") = "5"
    & skf21("5","5","6","1","4","2","6","1") = "5"
    & skf21("5","5","6","1","4","2","7","1") = "6"
    & skf21("5","5","6","1","4","3","1","1") = "5"
    & skf21("5","5","6","1","4","3","2","1") = "5"
    & skf21("5","5","6","1","4","3","3","1") = "5"
    & skf21("5","5","6","1","4","3","4","1") = "5"
    & skf21("5","5","6","1","4","3","5","1") = "5"
    & skf21("5","5","6","1","4","3","6","1") = "5"
    & skf21("5","5","6","1","4","3","7","1") = "6"
    & skf21("5","5","6","1","4","4","1","1") = "5"
    & skf21("5","5","6","1","4","4","2","1") = "5"
    & skf21("5","5","6","1","4","4","3","1") = "5"
    & skf21("5","5","6","1","4","4","4","1") = "5"
    & skf21("5","5","6","1","4","4","5","1") = "5"
    & skf21("5","5","6","1","4","4","6","1") = "5"
    & skf21("5","5","6","1","4","4","7","1") = "6"
    & skf21("5","5","6","1","4","5","1","1") = "5"
    & skf21("5","5","6","1","4","5","2","1") = "5"
    & skf21("5","5","6","1","4","5","3","1") = "5"
    & skf21("5","5","6","1","4","5","4","1") = "5"
    & skf21("5","5","6","1","4","5","5","1") = "5"
    & skf21("5","5","6","1","4","5","6","1") = "5"
    & skf21("5","5","6","1","4","5","7","1") = "6"
    & skf21("5","5","6","1","4","6","1","1") = "5"
    & skf21("5","5","6","1","4","6","2","1") = "5"
    & skf21("5","5","6","1","4","6","3","1") = "5"
    & skf21("5","5","6","1","4","6","4","1") = "5"
    & skf21("5","5","6","1","4","6","5","1") = "5"
    & skf21("5","5","6","1","4","6","6","1") = "5"
    & skf21("5","5","6","1","4","6","7","1") = "6"
    & skf21("5","5","6","1","4","7","1","1") = "6"
    & skf21("5","5","6","1","4","7","2","1") = "6"
    & skf21("5","5","6","1","4","7","3","1") = "6"
    & skf21("5","5","6","1","4","7","4","1") = "6"
    & skf21("5","5","6","1","4","7","5","1") = "6"
    & skf21("5","5","6","1","4","7","6","1") = "6"
    & skf21("5","5","6","1","4","7","7","1") = "6"
    & skf21("5","5","6","1","5","1","1","1") = "5"
    & skf21("5","5","6","1","5","1","2","1") = "5"
    & skf21("5","5","6","1","5","1","3","1") = "5"
    & skf21("5","5","6","1","5","1","4","1") = "5"
    & skf21("5","5","6","1","5","1","5","1") = "5"
    & skf21("5","5","6","1","5","1","6","1") = "5"
    & skf21("5","5","6","1","5","1","7","1") = "6"
    & skf21("5","5","6","1","5","2","1","1") = "5"
    & skf21("5","5","6","1","5","2","2","1") = "5"
    & skf21("5","5","6","1","5","2","3","1") = "5"
    & skf21("5","5","6","1","5","2","4","1") = "5"
    & skf21("5","5","6","1","5","2","5","1") = "5"
    & skf21("5","5","6","1","5","2","6","1") = "5"
    & skf21("5","5","6","1","5","2","7","1") = "6"
    & skf21("5","5","6","1","5","3","1","1") = "5"
    & skf21("5","5","6","1","5","3","2","1") = "5"
    & skf21("5","5","6","1","5","3","3","1") = "5"
    & skf21("5","5","6","1","5","3","4","1") = "5"
    & skf21("5","5","6","1","5","3","5","1") = "5"
    & skf21("5","5","6","1","5","3","6","1") = "5"
    & skf21("5","5","6","1","5","3","7","1") = "6"
    & skf21("5","5","6","1","5","4","1","1") = "5"
    & skf21("5","5","6","1","5","4","2","1") = "5"
    & skf21("5","5","6","1","5","4","3","1") = "5"
    & skf21("5","5","6","1","5","4","4","1") = "5"
    & skf21("5","5","6","1","5","4","5","1") = "5"
    & skf21("5","5","6","1","5","4","6","1") = "5"
    & skf21("5","5","6","1","5","4","7","1") = "6"
    & skf21("5","5","6","1","5","5","1","1") = "5"
    & skf21("5","5","6","1","5","5","2","1") = "5"
    & skf21("5","5","6","1","5","5","3","1") = "5"
    & skf21("5","5","6","1","5","5","4","1") = "5"
    & skf21("5","5","6","1","5","5","5","1") = "5"
    & skf21("5","5","6","1","5","5","6","1") = "5"
    & skf21("5","5","6","1","5","5","7","1") = "6"
    & skf21("5","5","6","1","5","6","1","1") = "5"
    & skf21("5","5","6","1","5","6","2","1") = "5"
    & skf21("5","5","6","1","5","6","3","1") = "5"
    & skf21("5","5","6","1","5","6","4","1") = "5"
    & skf21("5","5","6","1","5","6","5","1") = "5"
    & skf21("5","5","6","1","5","6","6","1") = "5"
    & skf21("5","5","6","1","5","6","7","1") = "6"
    & skf21("5","5","6","1","5","7","1","1") = "6"
    & skf21("5","5","6","1","5","7","2","1") = "6"
    & skf21("5","5","6","1","5","7","3","1") = "6"
    & skf21("5","5","6","1","5","7","4","1") = "6"
    & skf21("5","5","6","1","5","7","5","1") = "6"
    & skf21("5","5","6","1","5","7","6","1") = "6"
    & skf21("5","5","6","1","5","7","7","1") = "6"
    & skf21("5","5","6","1","6","1","1","1") = "5"
    & skf21("5","5","6","1","6","1","2","1") = "5"
    & skf21("5","5","6","1","6","1","3","1") = "5"
    & skf21("5","5","6","1","6","1","4","1") = "5"
    & skf21("5","5","6","1","6","1","5","1") = "5"
    & skf21("5","5","6","1","6","1","6","1") = "5"
    & skf21("5","5","6","1","6","1","7","1") = "6"
    & skf21("5","5","6","1","6","2","1","1") = "5"
    & skf21("5","5","6","1","6","2","2","1") = "5"
    & skf21("5","5","6","1","6","2","3","1") = "5"
    & skf21("5","5","6","1","6","2","4","1") = "5"
    & skf21("5","5","6","1","6","2","5","1") = "5"
    & skf21("5","5","6","1","6","2","6","1") = "5"
    & skf21("5","5","6","1","6","2","7","1") = "6"
    & skf21("5","5","6","1","6","3","1","1") = "5"
    & skf21("5","5","6","1","6","3","2","1") = "5"
    & skf21("5","5","6","1","6","3","3","1") = "5"
    & skf21("5","5","6","1","6","3","4","1") = "5"
    & skf21("5","5","6","1","6","3","5","1") = "5"
    & skf21("5","5","6","1","6","3","6","1") = "5"
    & skf21("5","5","6","1","6","3","7","1") = "6"
    & skf21("5","5","6","1","6","4","1","1") = "5"
    & skf21("5","5","6","1","6","4","2","1") = "5"
    & skf21("5","5","6","1","6","4","3","1") = "5"
    & skf21("5","5","6","1","6","4","4","1") = "5"
    & skf21("5","5","6","1","6","4","5","1") = "5"
    & skf21("5","5","6","1","6","4","6","1") = "5"
    & skf21("5","5","6","1","6","4","7","1") = "6"
    & skf21("5","5","6","1","6","5","1","1") = "5"
    & skf21("5","5","6","1","6","5","2","1") = "5"
    & skf21("5","5","6","1","6","5","3","1") = "5"
    & skf21("5","5","6","1","6","5","4","1") = "5"
    & skf21("5","5","6","1","6","5","5","1") = "5"
    & skf21("5","5","6","1","6","5","6","1") = "5"
    & skf21("5","5","6","1","6","5","7","1") = "6"
    & skf21("5","5","6","1","6","6","1","1") = "5"
    & skf21("5","5","6","1","6","6","2","1") = "5"
    & skf21("5","5","6","1","6","6","3","1") = "5"
    & skf21("5","5","6","1","6","6","4","1") = "5"
    & skf21("5","5","6","1","6","6","5","1") = "5"
    & skf21("5","5","6","1","6","6","6","1") = "5"
    & skf21("5","5","6","1","6","6","7","1") = "6"
    & skf21("5","5","6","1","6","7","1","1") = "6"
    & skf21("5","5","6","1","6","7","2","1") = "6"
    & skf21("5","5","6","1","6","7","3","1") = "6"
    & skf21("5","5","6","1","6","7","4","1") = "6"
    & skf21("5","5","6","1","6","7","5","1") = "6"
    & skf21("5","5","6","1","6","7","6","1") = "6"
    & skf21("5","5","6","1","6","7","7","1") = "6"
    & skf21("5","5","6","1","7","1","1","1") = "6"
    & skf21("5","5","6","1","7","1","2","1") = "6"
    & skf21("5","5","6","1","7","1","3","1") = "6"
    & skf21("5","5","6","1","7","1","4","1") = "6"
    & skf21("5","5","6","1","7","1","5","1") = "6"
    & skf21("5","5","6","1","7","1","6","1") = "6"
    & skf21("5","5","6","1","7","1","7","1") = "6"
    & skf21("5","5","6","1","7","2","1","1") = "6"
    & skf21("5","5","6","1","7","2","2","1") = "6"
    & skf21("5","5","6","1","7","2","3","1") = "6"
    & skf21("5","5","6","1","7","2","4","1") = "6"
    & skf21("5","5","6","1","7","2","5","1") = "6"
    & skf21("5","5","6","1","7","2","6","1") = "6"
    & skf21("5","5","6","1","7","2","7","1") = "6"
    & skf21("5","5","6","1","7","3","1","1") = "6"
    & skf21("5","5","6","1","7","3","2","1") = "6"
    & skf21("5","5","6","1","7","3","3","1") = "6"
    & skf21("5","5","6","1","7","3","4","1") = "6"
    & skf21("5","5","6","1","7","3","5","1") = "6"
    & skf21("5","5","6","1","7","3","6","1") = "6"
    & skf21("5","5","6","1","7","3","7","1") = "6"
    & skf21("5","5","6","1","7","4","1","1") = "6"
    & skf21("5","5","6","1","7","4","2","1") = "6"
    & skf21("5","5","6","1","7","4","3","1") = "6"
    & skf21("5","5","6","1","7","4","4","1") = "6"
    & skf21("5","5","6","1","7","4","5","1") = "6"
    & skf21("5","5","6","1","7","4","6","1") = "6"
    & skf21("5","5","6","1","7","4","7","1") = "6"
    & skf21("5","5","6","1","7","5","1","1") = "6"
    & skf21("5","5","6","1","7","5","2","1") = "6"
    & skf21("5","5","6","1","7","5","3","1") = "6"
    & skf21("5","5","6","1","7","5","4","1") = "6"
    & skf21("5","5","6","1","7","5","5","1") = "6"
    & skf21("5","5","6","1","7","5","6","1") = "6"
    & skf21("5","5","6","1","7","5","7","1") = "6"
    & skf21("5","5","6","1","7","6","1","1") = "6"
    & skf21("5","5","6","1","7","6","2","1") = "6"
    & skf21("5","5","6","1","7","6","3","1") = "6"
    & skf21("5","5","6","1","7","6","4","1") = "6"
    & skf21("5","5","6","1","7","6","5","1") = "6"
    & skf21("5","5","6","1","7","6","6","1") = "6"
    & skf21("5","5","6","1","7","6","7","1") = "6"
    & skf21("5","5","6","1","7","7","1","1") = "6"
    & skf21("5","5","6","1","7","7","2","1") = "6"
    & skf21("5","5","6","1","7","7","3","1") = "6"
    & skf21("5","5","6","1","7","7","4","1") = "6"
    & skf21("5","5","6","1","7","7","5","1") = "6"
    & skf21("5","5","6","1","7","7","6","1") = "6"
    & skf21("5","5","6","1","7","7","7","1") = "6"
    & skf21("5","5","6","2","1","1","1","1") = "5"
    & skf21("5","5","6","2","1","1","2","1") = "5"
    & skf21("5","5","6","2","1","1","3","1") = "5"
    & skf21("5","5","6","2","1","1","4","1") = "5"
    & skf21("5","5","6","2","1","1","5","1") = "5"
    & skf21("5","5","6","2","1","1","6","1") = "5"
    & skf21("5","5","6","2","1","1","7","1") = "6"
    & skf21("5","5","6","2","1","2","1","1") = "5"
    & skf21("5","5","6","2","1","2","2","1") = "5"
    & skf21("5","5","6","2","1","2","3","1") = "5"
    & skf21("5","5","6","2","1","2","4","1") = "5"
    & skf21("5","5","6","2","1","2","5","1") = "5"
    & skf21("5","5","6","2","1","2","6","1") = "5"
    & skf21("5","5","6","2","1","2","7","1") = "6"
    & skf21("5","5","6","2","1","3","1","1") = "5"
    & skf21("5","5","6","2","1","3","2","1") = "5"
    & skf21("5","5","6","2","1","3","3","1") = "5"
    & skf21("5","5","6","2","1","3","4","1") = "5"
    & skf21("5","5","6","2","1","3","5","1") = "5"
    & skf21("5","5","6","2","1","3","6","1") = "5"
    & skf21("5","5","6","2","1","3","7","1") = "6"
    & skf21("5","5","6","2","1","4","1","1") = "5"
    & skf21("5","5","6","2","1","4","2","1") = "5"
    & skf21("5","5","6","2","1","4","3","1") = "5"
    & skf21("5","5","6","2","1","4","4","1") = "5"
    & skf21("5","5","6","2","1","4","5","1") = "5"
    & skf21("5","5","6","2","1","4","6","1") = "5"
    & skf21("5","5","6","2","1","4","7","1") = "6"
    & skf21("5","5","6","2","1","5","1","1") = "5"
    & skf21("5","5","6","2","1","5","2","1") = "5"
    & skf21("5","5","6","2","1","5","3","1") = "5"
    & skf21("5","5","6","2","1","5","4","1") = "5"
    & skf21("5","5","6","2","1","5","5","1") = "5"
    & skf21("5","5","6","2","1","5","6","1") = "5"
    & skf21("5","5","6","2","1","5","7","1") = "6"
    & skf21("5","5","6","2","1","6","1","1") = "5"
    & skf21("5","5","6","2","1","6","2","1") = "5"
    & skf21("5","5","6","2","1","6","3","1") = "5"
    & skf21("5","5","6","2","1","6","4","1") = "5"
    & skf21("5","5","6","2","1","6","5","1") = "5"
    & skf21("5","5","6","2","1","6","6","1") = "5"
    & skf21("5","5","6","2","1","6","7","1") = "6"
    & skf21("5","5","6","2","1","7","1","1") = "6"
    & skf21("5","5","6","2","1","7","2","1") = "6"
    & skf21("5","5","6","2","1","7","3","1") = "6"
    & skf21("5","5","6","2","1","7","4","1") = "6"
    & skf21("5","5","6","2","1","7","5","1") = "6"
    & skf21("5","5","6","2","1","7","6","1") = "6"
    & skf21("5","5","6","2","1","7","7","1") = "6"
    & skf21("5","5","6","2","2","1","1","1") = "5"
    & skf21("5","5","6","2","2","1","2","1") = "5"
    & skf21("5","5","6","2","2","1","3","1") = "5"
    & skf21("5","5","6","2","2","1","4","1") = "5"
    & skf21("5","5","6","2","2","1","5","1") = "5"
    & skf21("5","5","6","2","2","1","6","1") = "5"
    & skf21("5","5","6","2","2","1","7","1") = "6"
    & skf21("5","5","6","2","2","2","1","1") = "5"
    & skf21("5","5","6","2","2","2","2","1") = "5"
    & skf21("5","5","6","2","2","2","3","1") = "5"
    & skf21("5","5","6","2","2","2","4","1") = "5"
    & skf21("5","5","6","2","2","2","5","1") = "5"
    & skf21("5","5","6","2","2","2","6","1") = "5"
    & skf21("5","5","6","2","2","2","7","1") = "6"
    & skf21("5","5","6","2","2","3","1","1") = "5"
    & skf21("5","5","6","2","2","3","2","1") = "5"
    & skf21("5","5","6","2","2","3","3","1") = "5"
    & skf21("5","5","6","2","2","3","4","1") = "5"
    & skf21("5","5","6","2","2","3","5","1") = "5"
    & skf21("5","5","6","2","2","3","6","1") = "5"
    & skf21("5","5","6","2","2","3","7","1") = "6"
    & skf21("5","5","6","2","2","4","1","1") = "5"
    & skf21("5","5","6","2","2","4","2","1") = "5"
    & skf21("5","5","6","2","2","4","3","1") = "5"
    & skf21("5","5","6","2","2","4","4","1") = "5"
    & skf21("5","5","6","2","2","4","5","1") = "5"
    & skf21("5","5","6","2","2","4","6","1") = "5"
    & skf21("5","5","6","2","2","4","7","1") = "6"
    & skf21("5","5","6","2","2","5","1","1") = "5"
    & skf21("5","5","6","2","2","5","2","1") = "5"
    & skf21("5","5","6","2","2","5","3","1") = "5"
    & skf21("5","5","6","2","2","5","4","1") = "5"
    & skf21("5","5","6","2","2","5","5","1") = "5"
    & skf21("5","5","6","2","2","5","6","1") = "5"
    & skf21("5","5","6","2","2","5","7","1") = "6"
    & skf21("5","5","6","2","2","6","1","1") = "5"
    & skf21("5","5","6","2","2","6","2","1") = "5"
    & skf21("5","5","6","2","2","6","3","1") = "5"
    & skf21("5","5","6","2","2","6","4","1") = "5"
    & skf21("5","5","6","2","2","6","5","1") = "5"
    & skf21("5","5","6","2","2","6","6","1") = "5"
    & skf21("5","5","6","2","2","6","7","1") = "6"
    & skf21("5","5","6","2","2","7","1","1") = "6"
    & skf21("5","5","6","2","2","7","2","1") = "6"
    & skf21("5","5","6","2","2","7","3","1") = "6"
    & skf21("5","5","6","2","2","7","4","1") = "6"
    & skf21("5","5","6","2","2","7","5","1") = "6"
    & skf21("5","5","6","2","2","7","6","1") = "6"
    & skf21("5","5","6","2","2","7","7","1") = "6"
    & skf21("5","5","6","2","3","1","1","1") = "5"
    & skf21("5","5","6","2","3","1","2","1") = "5"
    & skf21("5","5","6","2","3","1","3","1") = "5"
    & skf21("5","5","6","2","3","1","4","1") = "5"
    & skf21("5","5","6","2","3","1","5","1") = "5"
    & skf21("5","5","6","2","3","1","6","1") = "5"
    & skf21("5","5","6","2","3","1","7","1") = "6"
    & skf21("5","5","6","2","3","2","1","1") = "5"
    & skf21("5","5","6","2","3","2","2","1") = "5"
    & skf21("5","5","6","2","3","2","3","1") = "5"
    & skf21("5","5","6","2","3","2","4","1") = "5"
    & skf21("5","5","6","2","3","2","5","1") = "5"
    & skf21("5","5","6","2","3","2","6","1") = "5"
    & skf21("5","5","6","2","3","2","7","1") = "6"
    & skf21("5","5","6","2","3","3","1","1") = "5"
    & skf21("5","5","6","2","3","3","2","1") = "5"
    & skf21("5","5","6","2","3","3","3","1") = "5"
    & skf21("5","5","6","2","3","3","4","1") = "5"
    & skf21("5","5","6","2","3","3","5","1") = "5"
    & skf21("5","5","6","2","3","3","6","1") = "5"
    & skf21("5","5","6","2","3","3","7","1") = "6"
    & skf21("5","5","6","2","3","4","1","1") = "5"
    & skf21("5","5","6","2","3","4","2","1") = "5"
    & skf21("5","5","6","2","3","4","3","1") = "5"
    & skf21("5","5","6","2","3","4","4","1") = "5"
    & skf21("5","5","6","2","3","4","5","1") = "5"
    & skf21("5","5","6","2","3","4","6","1") = "5"
    & skf21("5","5","6","2","3","4","7","1") = "6"
    & skf21("5","5","6","2","3","5","1","1") = "5"
    & skf21("5","5","6","2","3","5","2","1") = "5"
    & skf21("5","5","6","2","3","5","3","1") = "5"
    & skf21("5","5","6","2","3","5","4","1") = "5"
    & skf21("5","5","6","2","3","5","5","1") = "5"
    & skf21("5","5","6","2","3","5","6","1") = "5"
    & skf21("5","5","6","2","3","5","7","1") = "6"
    & skf21("5","5","6","2","3","6","1","1") = "5"
    & skf21("5","5","6","2","3","6","2","1") = "5"
    & skf21("5","5","6","2","3","6","3","1") = "5"
    & skf21("5","5","6","2","3","6","4","1") = "5"
    & skf21("5","5","6","2","3","6","5","1") = "5"
    & skf21("5","5","6","2","3","6","6","1") = "5"
    & skf21("5","5","6","2","3","6","7","1") = "6"
    & skf21("5","5","6","2","3","7","1","1") = "6"
    & skf21("5","5","6","2","3","7","2","1") = "6"
    & skf21("5","5","6","2","3","7","3","1") = "6"
    & skf21("5","5","6","2","3","7","4","1") = "6"
    & skf21("5","5","6","2","3","7","5","1") = "6"
    & skf21("5","5","6","2","3","7","6","1") = "6"
    & skf21("5","5","6","2","3","7","7","1") = "6"
    & skf21("5","5","6","2","4","1","1","1") = "5"
    & skf21("5","5","6","2","4","1","2","1") = "5"
    & skf21("5","5","6","2","4","1","3","1") = "5"
    & skf21("5","5","6","2","4","1","4","1") = "5"
    & skf21("5","5","6","2","4","1","5","1") = "5"
    & skf21("5","5","6","2","4","1","6","1") = "5"
    & skf21("5","5","6","2","4","1","7","1") = "6"
    & skf21("5","5","6","2","4","2","1","1") = "5"
    & skf21("5","5","6","2","4","2","2","1") = "5"
    & skf21("5","5","6","2","4","2","3","1") = "5"
    & skf21("5","5","6","2","4","2","4","1") = "5"
    & skf21("5","5","6","2","4","2","5","1") = "5"
    & skf21("5","5","6","2","4","2","6","1") = "5"
    & skf21("5","5","6","2","4","2","7","1") = "6"
    & skf21("5","5","6","2","4","3","1","1") = "5"
    & skf21("5","5","6","2","4","3","2","1") = "5"
    & skf21("5","5","6","2","4","3","3","1") = "5"
    & skf21("5","5","6","2","4","3","4","1") = "5"
    & skf21("5","5","6","2","4","3","5","1") = "5"
    & skf21("5","5","6","2","4","3","6","1") = "5"
    & skf21("5","5","6","2","4","3","7","1") = "6"
    & skf21("5","5","6","2","4","4","1","1") = "5"
    & skf21("5","5","6","2","4","4","2","1") = "5"
    & skf21("5","5","6","2","4","4","3","1") = "5"
    & skf21("5","5","6","2","4","4","4","1") = "5"
    & skf21("5","5","6","2","4","4","5","1") = "5"
    & skf21("5","5","6","2","4","4","6","1") = "5"
    & skf21("5","5","6","2","4","4","7","1") = "6"
    & skf21("5","5","6","2","4","5","1","1") = "5"
    & skf21("5","5","6","2","4","5","2","1") = "5"
    & skf21("5","5","6","2","4","5","3","1") = "5"
    & skf21("5","5","6","2","4","5","4","1") = "5"
    & skf21("5","5","6","2","4","5","5","1") = "5"
    & skf21("5","5","6","2","4","5","6","1") = "5"
    & skf21("5","5","6","2","4","5","7","1") = "6"
    & skf21("5","5","6","2","4","6","1","1") = "5"
    & skf21("5","5","6","2","4","6","2","1") = "5"
    & skf21("5","5","6","2","4","6","3","1") = "5"
    & skf21("5","5","6","2","4","6","4","1") = "5"
    & skf21("5","5","6","2","4","6","5","1") = "5"
    & skf21("5","5","6","2","4","6","6","1") = "5"
    & skf21("5","5","6","2","4","6","7","1") = "6"
    & skf21("5","5","6","2","4","7","1","1") = "6"
    & skf21("5","5","6","2","4","7","2","1") = "6"
    & skf21("5","5","6","2","4","7","3","1") = "6"
    & skf21("5","5","6","2","4","7","4","1") = "6"
    & skf21("5","5","6","2","4","7","5","1") = "6"
    & skf21("5","5","6","2","4","7","6","1") = "6"
    & skf21("5","5","6","2","4","7","7","1") = "6"
    & skf21("5","5","6","2","5","1","1","1") = "5"
    & skf21("5","5","6","2","5","1","2","1") = "5"
    & skf21("5","5","6","2","5","1","3","1") = "5"
    & skf21("5","5","6","2","5","1","4","1") = "5"
    & skf21("5","5","6","2","5","1","5","1") = "5"
    & skf21("5","5","6","2","5","1","6","1") = "5"
    & skf21("5","5","6","2","5","1","7","1") = "6"
    & skf21("5","5","6","2","5","2","1","1") = "5"
    & skf21("5","5","6","2","5","2","2","1") = "5"
    & skf21("5","5","6","2","5","2","3","1") = "5"
    & skf21("5","5","6","2","5","2","4","1") = "5"
    & skf21("5","5","6","2","5","2","5","1") = "5"
    & skf21("5","5","6","2","5","2","6","1") = "5"
    & skf21("5","5","6","2","5","2","7","1") = "6"
    & skf21("5","5","6","2","5","3","1","1") = "5"
    & skf21("5","5","6","2","5","3","2","1") = "5"
    & skf21("5","5","6","2","5","3","3","1") = "5"
    & skf21("5","5","6","2","5","3","4","1") = "5"
    & skf21("5","5","6","2","5","3","5","1") = "5"
    & skf21("5","5","6","2","5","3","6","1") = "5"
    & skf21("5","5","6","2","5","3","7","1") = "6"
    & skf21("5","5","6","2","5","4","1","1") = "5"
    & skf21("5","5","6","2","5","4","2","1") = "5"
    & skf21("5","5","6","2","5","4","3","1") = "5"
    & skf21("5","5","6","2","5","4","4","1") = "5"
    & skf21("5","5","6","2","5","4","5","1") = "5"
    & skf21("5","5","6","2","5","4","6","1") = "5"
    & skf21("5","5","6","2","5","4","7","1") = "6"
    & skf21("5","5","6","2","5","5","1","1") = "5"
    & skf21("5","5","6","2","5","5","2","1") = "5"
    & skf21("5","5","6","2","5","5","3","1") = "5"
    & skf21("5","5","6","2","5","5","4","1") = "5"
    & skf21("5","5","6","2","5","5","5","1") = "5"
    & skf21("5","5","6","2","5","5","6","1") = "5"
    & skf21("5","5","6","2","5","5","7","1") = "6"
    & skf21("5","5","6","2","5","6","1","1") = "5"
    & skf21("5","5","6","2","5","6","2","1") = "5"
    & skf21("5","5","6","2","5","6","3","1") = "5"
    & skf21("5","5","6","2","5","6","4","1") = "5"
    & skf21("5","5","6","2","5","6","5","1") = "5"
    & skf21("5","5","6","2","5","6","6","1") = "5"
    & skf21("5","5","6","2","5","6","7","1") = "6"
    & skf21("5","5","6","2","5","7","1","1") = "6"
    & skf21("5","5","6","2","5","7","2","1") = "6"
    & skf21("5","5","6","2","5","7","3","1") = "6"
    & skf21("5","5","6","2","5","7","4","1") = "6"
    & skf21("5","5","6","2","5","7","5","1") = "6"
    & skf21("5","5","6","2","5","7","6","1") = "6"
    & skf21("5","5","6","2","5","7","7","1") = "6"
    & skf21("5","5","6","2","6","1","1","1") = "5"
    & skf21("5","5","6","2","6","1","2","1") = "5"
    & skf21("5","5","6","2","6","1","3","1") = "5"
    & skf21("5","5","6","2","6","1","4","1") = "5"
    & skf21("5","5","6","2","6","1","5","1") = "5"
    & skf21("5","5","6","2","6","1","6","1") = "5"
    & skf21("5","5","6","2","6","1","7","1") = "6"
    & skf21("5","5","6","2","6","2","1","1") = "5"
    & skf21("5","5","6","2","6","2","2","1") = "5"
    & skf21("5","5","6","2","6","2","3","1") = "5"
    & skf21("5","5","6","2","6","2","4","1") = "5"
    & skf21("5","5","6","2","6","2","5","1") = "5"
    & skf21("5","5","6","2","6","2","6","1") = "5"
    & skf21("5","5","6","2","6","2","7","1") = "6"
    & skf21("5","5","6","2","6","3","1","1") = "5"
    & skf21("5","5","6","2","6","3","2","1") = "5"
    & skf21("5","5","6","2","6","3","3","1") = "5"
    & skf21("5","5","6","2","6","3","4","1") = "5"
    & skf21("5","5","6","2","6","3","5","1") = "5"
    & skf21("5","5","6","2","6","3","6","1") = "5"
    & skf21("5","5","6","2","6","3","7","1") = "6"
    & skf21("5","5","6","2","6","4","1","1") = "5"
    & skf21("5","5","6","2","6","4","2","1") = "5"
    & skf21("5","5","6","2","6","4","3","1") = "5"
    & skf21("5","5","6","2","6","4","4","1") = "5"
    & skf21("5","5","6","2","6","4","5","1") = "5"
    & skf21("5","5","6","2","6","4","6","1") = "5"
    & skf21("5","5","6","2","6","4","7","1") = "6"
    & skf21("5","5","6","2","6","5","1","1") = "5"
    & skf21("5","5","6","2","6","5","2","1") = "5"
    & skf21("5","5","6","2","6","5","3","1") = "5"
    & skf21("5","5","6","2","6","5","4","1") = "5"
    & skf21("5","5","6","2","6","5","5","1") = "5"
    & skf21("5","5","6","2","6","5","6","1") = "5"
    & skf21("5","5","6","2","6","5","7","1") = "6"
    & skf21("5","5","6","2","6","6","1","1") = "5"
    & skf21("5","5","6","2","6","6","2","1") = "5"
    & skf21("5","5","6","2","6","6","3","1") = "5"
    & skf21("5","5","6","2","6","6","4","1") = "5"
    & skf21("5","5","6","2","6","6","5","1") = "5"
    & skf21("5","5","6","2","6","6","6","1") = "5"
    & skf21("5","5","6","2","6","6","7","1") = "6"
    & skf21("5","5","6","2","6","7","1","1") = "6"
    & skf21("5","5","6","2","6","7","2","1") = "6"
    & skf21("5","5","6","2","6","7","3","1") = "6"
    & skf21("5","5","6","2","6","7","4","1") = "6"
    & skf21("5","5","6","2","6","7","5","1") = "6"
    & skf21("5","5","6","2","6","7","6","1") = "6"
    & skf21("5","5","6","2","6","7","7","1") = "6"
    & skf21("5","5","6","2","7","1","1","1") = "6"
    & skf21("5","5","6","2","7","1","2","1") = "6"
    & skf21("5","5","6","2","7","1","3","1") = "6"
    & skf21("5","5","6","2","7","1","4","1") = "6"
    & skf21("5","5","6","2","7","1","5","1") = "6"
    & skf21("5","5","6","2","7","1","6","1") = "6"
    & skf21("5","5","6","2","7","1","7","1") = "6"
    & skf21("5","5","6","2","7","2","1","1") = "6"
    & skf21("5","5","6","2","7","2","2","1") = "6"
    & skf21("5","5","6","2","7","2","3","1") = "6"
    & skf21("5","5","6","2","7","2","4","1") = "6"
    & skf21("5","5","6","2","7","2","5","1") = "6"
    & skf21("5","5","6","2","7","2","6","1") = "6"
    & skf21("5","5","6","2","7","2","7","1") = "6"
    & skf21("5","5","6","2","7","3","1","1") = "6"
    & skf21("5","5","6","2","7","3","2","1") = "6"
    & skf21("5","5","6","2","7","3","3","1") = "6"
    & skf21("5","5","6","2","7","3","4","1") = "6"
    & skf21("5","5","6","2","7","3","5","1") = "6"
    & skf21("5","5","6","2","7","3","6","1") = "6"
    & skf21("5","5","6","2","7","3","7","1") = "6"
    & skf21("5","5","6","2","7","4","1","1") = "6"
    & skf21("5","5","6","2","7","4","2","1") = "6"
    & skf21("5","5","6","2","7","4","3","1") = "6"
    & skf21("5","5","6","2","7","4","4","1") = "6"
    & skf21("5","5","6","2","7","4","5","1") = "6"
    & skf21("5","5","6","2","7","4","6","1") = "6"
    & skf21("5","5","6","2","7","4","7","1") = "6"
    & skf21("5","5","6","2","7","5","1","1") = "6"
    & skf21("5","5","6","2","7","5","2","1") = "6"
    & skf21("5","5","6","2","7","5","3","1") = "6"
    & skf21("5","5","6","2","7","5","4","1") = "6"
    & skf21("5","5","6","2","7","5","5","1") = "6"
    & skf21("5","5","6","2","7","5","6","1") = "6"
    & skf21("5","5","6","2","7","5","7","1") = "6"
    & skf21("5","5","6","2","7","6","1","1") = "6"
    & skf21("5","5","6","2","7","6","2","1") = "6"
    & skf21("5","5","6","2","7","6","3","1") = "6"
    & skf21("5","5","6","2","7","6","4","1") = "6"
    & skf21("5","5","6","2","7","6","5","1") = "6"
    & skf21("5","5","6","2","7","6","6","1") = "6"
    & skf21("5","5","6","2","7","6","7","1") = "6"
    & skf21("5","5","6","2","7","7","1","1") = "6"
    & skf21("5","5","6","2","7","7","2","1") = "6"
    & skf21("5","5","6","2","7","7","3","1") = "6"
    & skf21("5","5","6","2","7","7","4","1") = "6"
    & skf21("5","5","6","2","7","7","5","1") = "6"
    & skf21("5","5","6","2","7","7","6","1") = "6"
    & skf21("5","5","6","2","7","7","7","1") = "6"
    & skf21("5","5","6","3","1","1","1","1") = "5"
    & skf21("5","5","6","3","1","1","2","1") = "5"
    & skf21("5","5","6","3","1","1","3","1") = "5"
    & skf21("5","5","6","3","1","1","4","1") = "5"
    & skf21("5","5","6","3","1","1","5","1") = "5"
    & skf21("5","5","6","3","1","1","6","1") = "5"
    & skf21("5","5","6","3","1","1","7","1") = "6"
    & skf21("5","5","6","3","1","2","1","1") = "5"
    & skf21("5","5","6","3","1","2","2","1") = "5"
    & skf21("5","5","6","3","1","2","3","1") = "5"
    & skf21("5","5","6","3","1","2","4","1") = "5"
    & skf21("5","5","6","3","1","2","5","1") = "5"
    & skf21("5","5","6","3","1","2","6","1") = "5"
    & skf21("5","5","6","3","1","2","7","1") = "6"
    & skf21("5","5","6","3","1","3","1","1") = "5"
    & skf21("5","5","6","3","1","3","2","1") = "5"
    & skf21("5","5","6","3","1","3","3","1") = "5"
    & skf21("5","5","6","3","1","3","4","1") = "5"
    & skf21("5","5","6","3","1","3","5","1") = "5"
    & skf21("5","5","6","3","1","3","6","1") = "5"
    & skf21("5","5","6","3","1","3","7","1") = "6"
    & skf21("5","5","6","3","1","4","1","1") = "5"
    & skf21("5","5","6","3","1","4","2","1") = "5"
    & skf21("5","5","6","3","1","4","3","1") = "5"
    & skf21("5","5","6","3","1","4","4","1") = "5"
    & skf21("5","5","6","3","1","4","5","1") = "5"
    & skf21("5","5","6","3","1","4","6","1") = "5"
    & skf21("5","5","6","3","1","4","7","1") = "6"
    & skf21("5","5","6","3","1","5","1","1") = "5"
    & skf21("5","5","6","3","1","5","2","1") = "5"
    & skf21("5","5","6","3","1","5","3","1") = "5"
    & skf21("5","5","6","3","1","5","4","1") = "5"
    & skf21("5","5","6","3","1","5","5","1") = "5"
    & skf21("5","5","6","3","1","5","6","1") = "5"
    & skf21("5","5","6","3","1","5","7","1") = "6"
    & skf21("5","5","6","3","1","6","1","1") = "5"
    & skf21("5","5","6","3","1","6","2","1") = "5"
    & skf21("5","5","6","3","1","6","3","1") = "5"
    & skf21("5","5","6","3","1","6","4","1") = "5"
    & skf21("5","5","6","3","1","6","5","1") = "5"
    & skf21("5","5","6","3","1","6","6","1") = "5"
    & skf21("5","5","6","3","1","6","7","1") = "6"
    & skf21("5","5","6","3","1","7","1","1") = "6"
    & skf21("5","5","6","3","1","7","2","1") = "6"
    & skf21("5","5","6","3","1","7","3","1") = "6"
    & skf21("5","5","6","3","1","7","4","1") = "6"
    & skf21("5","5","6","3","1","7","5","1") = "6"
    & skf21("5","5","6","3","1","7","6","1") = "6"
    & skf21("5","5","6","3","1","7","7","1") = "6"
    & skf21("5","5","6","3","2","1","1","1") = "5"
    & skf21("5","5","6","3","2","1","2","1") = "5"
    & skf21("5","5","6","3","2","1","3","1") = "5"
    & skf21("5","5","6","3","2","1","4","1") = "5"
    & skf21("5","5","6","3","2","1","5","1") = "5"
    & skf21("5","5","6","3","2","1","6","1") = "5"
    & skf21("5","5","6","3","2","1","7","1") = "6"
    & skf21("5","5","6","3","2","2","1","1") = "5"
    & skf21("5","5","6","3","2","2","2","1") = "5"
    & skf21("5","5","6","3","2","2","3","1") = "5"
    & skf21("5","5","6","3","2","2","4","1") = "5"
    & skf21("5","5","6","3","2","2","5","1") = "5"
    & skf21("5","5","6","3","2","2","6","1") = "5"
    & skf21("5","5","6","3","2","2","7","1") = "6"
    & skf21("5","5","6","3","2","3","1","1") = "5"
    & skf21("5","5","6","3","2","3","2","1") = "5"
    & skf21("5","5","6","3","2","3","3","1") = "5"
    & skf21("5","5","6","3","2","3","4","1") = "5"
    & skf21("5","5","6","3","2","3","5","1") = "5"
    & skf21("5","5","6","3","2","3","6","1") = "5"
    & skf21("5","5","6","3","2","3","7","1") = "6"
    & skf21("5","5","6","3","2","4","1","1") = "5"
    & skf21("5","5","6","3","2","4","2","1") = "5"
    & skf21("5","5","6","3","2","4","3","1") = "5"
    & skf21("5","5","6","3","2","4","4","1") = "5"
    & skf21("5","5","6","3","2","4","5","1") = "5"
    & skf21("5","5","6","3","2","4","6","1") = "5"
    & skf21("5","5","6","3","2","4","7","1") = "6"
    & skf21("5","5","6","3","2","5","1","1") = "5"
    & skf21("5","5","6","3","2","5","2","1") = "5"
    & skf21("5","5","6","3","2","5","3","1") = "5"
    & skf21("5","5","6","3","2","5","4","1") = "5"
    & skf21("5","5","6","3","2","5","5","1") = "5"
    & skf21("5","5","6","3","2","5","6","1") = "5"
    & skf21("5","5","6","3","2","5","7","1") = "6"
    & skf21("5","5","6","3","2","6","1","1") = "5"
    & skf21("5","5","6","3","2","6","2","1") = "5"
    & skf21("5","5","6","3","2","6","3","1") = "5"
    & skf21("5","5","6","3","2","6","4","1") = "5"
    & skf21("5","5","6","3","2","6","5","1") = "5"
    & skf21("5","5","6","3","2","6","6","1") = "5"
    & skf21("5","5","6","3","2","6","7","1") = "6"
    & skf21("5","5","6","3","2","7","1","1") = "6"
    & skf21("5","5","6","3","2","7","2","1") = "6"
    & skf21("5","5","6","3","2","7","3","1") = "6"
    & skf21("5","5","6","3","2","7","4","1") = "6"
    & skf21("5","5","6","3","2","7","5","1") = "6"
    & skf21("5","5","6","3","2","7","6","1") = "6"
    & skf21("5","5","6","3","2","7","7","1") = "6"
    & skf21("5","5","6","3","3","1","1","1") = "5"
    & skf21("5","5","6","3","3","1","2","1") = "5"
    & skf21("5","5","6","3","3","1","3","1") = "5"
    & skf21("5","5","6","3","3","1","4","1") = "5"
    & skf21("5","5","6","3","3","1","5","1") = "5"
    & skf21("5","5","6","3","3","1","6","1") = "5"
    & skf21("5","5","6","3","3","1","7","1") = "6"
    & skf21("5","5","6","3","3","2","1","1") = "5"
    & skf21("5","5","6","3","3","2","2","1") = "5"
    & skf21("5","5","6","3","3","2","3","1") = "5"
    & skf21("5","5","6","3","3","2","4","1") = "5"
    & skf21("5","5","6","3","3","2","5","1") = "5"
    & skf21("5","5","6","3","3","2","6","1") = "5"
    & skf21("5","5","6","3","3","2","7","1") = "6"
    & skf21("5","5","6","3","3","3","1","1") = "5"
    & skf21("5","5","6","3","3","3","2","1") = "5"
    & skf21("5","5","6","3","3","3","3","1") = "5"
    & skf21("5","5","6","3","3","3","4","1") = "5"
    & skf21("5","5","6","3","3","3","5","1") = "5"
    & skf21("5","5","6","3","3","3","6","1") = "5"
    & skf21("5","5","6","3","3","3","7","1") = "6"
    & skf21("5","5","6","3","3","4","1","1") = "5"
    & skf21("5","5","6","3","3","4","2","1") = "5"
    & skf21("5","5","6","3","3","4","3","1") = "5"
    & skf21("5","5","6","3","3","4","4","1") = "5"
    & skf21("5","5","6","3","3","4","5","1") = "5"
    & skf21("5","5","6","3","3","4","6","1") = "5"
    & skf21("5","5","6","3","3","4","7","1") = "6"
    & skf21("5","5","6","3","3","5","1","1") = "5"
    & skf21("5","5","6","3","3","5","2","1") = "5"
    & skf21("5","5","6","3","3","5","3","1") = "5"
    & skf21("5","5","6","3","3","5","4","1") = "5"
    & skf21("5","5","6","3","3","5","5","1") = "5"
    & skf21("5","5","6","3","3","5","6","1") = "5"
    & skf21("5","5","6","3","3","5","7","1") = "6"
    & skf21("5","5","6","3","3","6","1","1") = "5"
    & skf21("5","5","6","3","3","6","2","1") = "5"
    & skf21("5","5","6","3","3","6","3","1") = "5"
    & skf21("5","5","6","3","3","6","4","1") = "5"
    & skf21("5","5","6","3","3","6","5","1") = "5"
    & skf21("5","5","6","3","3","6","6","1") = "5"
    & skf21("5","5","6","3","3","6","7","1") = "6"
    & skf21("5","5","6","3","3","7","1","1") = "6"
    & skf21("5","5","6","3","3","7","2","1") = "6"
    & skf21("5","5","6","3","3","7","3","1") = "6"
    & skf21("5","5","6","3","3","7","4","1") = "6"
    & skf21("5","5","6","3","3","7","5","1") = "6"
    & skf21("5","5","6","3","3","7","6","1") = "6"
    & skf21("5","5","6","3","3","7","7","1") = "6"
    & skf21("5","5","6","3","4","1","1","1") = "5"
    & skf21("5","5","6","3","4","1","2","1") = "5"
    & skf21("5","5","6","3","4","1","3","1") = "5"
    & skf21("5","5","6","3","4","1","4","1") = "5"
    & skf21("5","5","6","3","4","1","5","1") = "5"
    & skf21("5","5","6","3","4","1","6","1") = "5"
    & skf21("5","5","6","3","4","1","7","1") = "6"
    & skf21("5","5","6","3","4","2","1","1") = "5"
    & skf21("5","5","6","3","4","2","2","1") = "5"
    & skf21("5","5","6","3","4","2","3","1") = "5"
    & skf21("5","5","6","3","4","2","4","1") = "5"
    & skf21("5","5","6","3","4","2","5","1") = "5"
    & skf21("5","5","6","3","4","2","6","1") = "5"
    & skf21("5","5","6","3","4","2","7","1") = "6"
    & skf21("5","5","6","3","4","3","1","1") = "5"
    & skf21("5","5","6","3","4","3","2","1") = "5"
    & skf21("5","5","6","3","4","3","3","1") = "5"
    & skf21("5","5","6","3","4","3","4","1") = "5"
    & skf21("5","5","6","3","4","3","5","1") = "5"
    & skf21("5","5","6","3","4","3","6","1") = "5"
    & skf21("5","5","6","3","4","3","7","1") = "6"
    & skf21("5","5","6","3","4","4","1","1") = "5"
    & skf21("5","5","6","3","4","4","2","1") = "5"
    & skf21("5","5","6","3","4","4","3","1") = "5"
    & skf21("5","5","6","3","4","4","4","1") = "5"
    & skf21("5","5","6","3","4","4","5","1") = "5"
    & skf21("5","5","6","3","4","4","6","1") = "5"
    & skf21("5","5","6","3","4","4","7","1") = "6"
    & skf21("5","5","6","3","4","5","1","1") = "5"
    & skf21("5","5","6","3","4","5","2","1") = "5"
    & skf21("5","5","6","3","4","5","3","1") = "5"
    & skf21("5","5","6","3","4","5","4","1") = "5"
    & skf21("5","5","6","3","4","5","5","1") = "5"
    & skf21("5","5","6","3","4","5","6","1") = "5"
    & skf21("5","5","6","3","4","5","7","1") = "6"
    & skf21("5","5","6","3","4","6","1","1") = "5"
    & skf21("5","5","6","3","4","6","2","1") = "5"
    & skf21("5","5","6","3","4","6","3","1") = "5"
    & skf21("5","5","6","3","4","6","4","1") = "5"
    & skf21("5","5","6","3","4","6","5","1") = "5"
    & skf21("5","5","6","3","4","6","6","1") = "5"
    & skf21("5","5","6","3","4","6","7","1") = "6"
    & skf21("5","5","6","3","4","7","1","1") = "6"
    & skf21("5","5","6","3","4","7","2","1") = "6"
    & skf21("5","5","6","3","4","7","3","1") = "6"
    & skf21("5","5","6","3","4","7","4","1") = "6"
    & skf21("5","5","6","3","4","7","5","1") = "6"
    & skf21("5","5","6","3","4","7","6","1") = "6"
    & skf21("5","5","6","3","4","7","7","1") = "6"
    & skf21("5","5","6","3","5","1","1","1") = "5"
    & skf21("5","5","6","3","5","1","2","1") = "5"
    & skf21("5","5","6","3","5","1","3","1") = "5"
    & skf21("5","5","6","3","5","1","4","1") = "5"
    & skf21("5","5","6","3","5","1","5","1") = "5"
    & skf21("5","5","6","3","5","1","6","1") = "5"
    & skf21("5","5","6","3","5","1","7","1") = "6"
    & skf21("5","5","6","3","5","2","1","1") = "5"
    & skf21("5","5","6","3","5","2","2","1") = "5"
    & skf21("5","5","6","3","5","2","3","1") = "5"
    & skf21("5","5","6","3","5","2","4","1") = "5"
    & skf21("5","5","6","3","5","2","5","1") = "5"
    & skf21("5","5","6","3","5","2","6","1") = "5"
    & skf21("5","5","6","3","5","2","7","1") = "6"
    & skf21("5","5","6","3","5","3","1","1") = "5"
    & skf21("5","5","6","3","5","3","2","1") = "5"
    & skf21("5","5","6","3","5","3","3","1") = "5"
    & skf21("5","5","6","3","5","3","4","1") = "5"
    & skf21("5","5","6","3","5","3","5","1") = "5"
    & skf21("5","5","6","3","5","3","6","1") = "5"
    & skf21("5","5","6","3","5","3","7","1") = "6"
    & skf21("5","5","6","3","5","4","1","1") = "5"
    & skf21("5","5","6","3","5","4","2","1") = "5"
    & skf21("5","5","6","3","5","4","3","1") = "5"
    & skf21("5","5","6","3","5","4","4","1") = "5"
    & skf21("5","5","6","3","5","4","5","1") = "5"
    & skf21("5","5","6","3","5","4","6","1") = "5"
    & skf21("5","5","6","3","5","4","7","1") = "6"
    & skf21("5","5","6","3","5","5","1","1") = "5"
    & skf21("5","5","6","3","5","5","2","1") = "5"
    & skf21("5","5","6","3","5","5","3","1") = "5"
    & skf21("5","5","6","3","5","5","4","1") = "5"
    & skf21("5","5","6","3","5","5","5","1") = "5"
    & skf21("5","5","6","3","5","5","6","1") = "5"
    & skf21("5","5","6","3","5","5","7","1") = "6"
    & skf21("5","5","6","3","5","6","1","1") = "5"
    & skf21("5","5","6","3","5","6","2","1") = "5"
    & skf21("5","5","6","3","5","6","3","1") = "5"
    & skf21("5","5","6","3","5","6","4","1") = "5"
    & skf21("5","5","6","3","5","6","5","1") = "5"
    & skf21("5","5","6","3","5","6","6","1") = "5"
    & skf21("5","5","6","3","5","6","7","1") = "6"
    & skf21("5","5","6","3","5","7","1","1") = "6"
    & skf21("5","5","6","3","5","7","2","1") = "6"
    & skf21("5","5","6","3","5","7","3","1") = "6"
    & skf21("5","5","6","3","5","7","4","1") = "6"
    & skf21("5","5","6","3","5","7","5","1") = "6"
    & skf21("5","5","6","3","5","7","6","1") = "6"
    & skf21("5","5","6","3","5","7","7","1") = "6"
    & skf21("5","5","6","3","6","1","1","1") = "5"
    & skf21("5","5","6","3","6","1","2","1") = "5"
    & skf21("5","5","6","3","6","1","3","1") = "5"
    & skf21("5","5","6","3","6","1","4","1") = "5"
    & skf21("5","5","6","3","6","1","5","1") = "5"
    & skf21("5","5","6","3","6","1","6","1") = "5"
    & skf21("5","5","6","3","6","1","7","1") = "6"
    & skf21("5","5","6","3","6","2","1","1") = "5"
    & skf21("5","5","6","3","6","2","2","1") = "5"
    & skf21("5","5","6","3","6","2","3","1") = "5"
    & skf21("5","5","6","3","6","2","4","1") = "5"
    & skf21("5","5","6","3","6","2","5","1") = "5"
    & skf21("5","5","6","3","6","2","6","1") = "5"
    & skf21("5","5","6","3","6","2","7","1") = "6"
    & skf21("5","5","6","3","6","3","1","1") = "5"
    & skf21("5","5","6","3","6","3","2","1") = "5"
    & skf21("5","5","6","3","6","3","3","1") = "5"
    & skf21("5","5","6","3","6","3","4","1") = "5"
    & skf21("5","5","6","3","6","3","5","1") = "5"
    & skf21("5","5","6","3","6","3","6","1") = "5"
    & skf21("5","5","6","3","6","3","7","1") = "6"
    & skf21("5","5","6","3","6","4","1","1") = "5"
    & skf21("5","5","6","3","6","4","2","1") = "5"
    & skf21("5","5","6","3","6","4","3","1") = "5"
    & skf21("5","5","6","3","6","4","4","1") = "5"
    & skf21("5","5","6","3","6","4","5","1") = "5"
    & skf21("5","5","6","3","6","4","6","1") = "5"
    & skf21("5","5","6","3","6","4","7","1") = "6"
    & skf21("5","5","6","3","6","5","1","1") = "5"
    & skf21("5","5","6","3","6","5","2","1") = "5"
    & skf21("5","5","6","3","6","5","3","1") = "5"
    & skf21("5","5","6","3","6","5","4","1") = "5"
    & skf21("5","5","6","3","6","5","5","1") = "5"
    & skf21("5","5","6","3","6","5","6","1") = "5"
    & skf21("5","5","6","3","6","5","7","1") = "6"
    & skf21("5","5","6","3","6","6","1","1") = "5"
    & skf21("5","5","6","3","6","6","2","1") = "5"
    & skf21("5","5","6","3","6","6","3","1") = "5"
    & skf21("5","5","6","3","6","6","4","1") = "5"
    & skf21("5","5","6","3","6","6","5","1") = "5"
    & skf21("5","5","6","3","6","6","6","1") = "5"
    & skf21("5","5","6","3","6","6","7","1") = "6"
    & skf21("5","5","6","3","6","7","1","1") = "6"
    & skf21("5","5","6","3","6","7","2","1") = "6"
    & skf21("5","5","6","3","6","7","3","1") = "6"
    & skf21("5","5","6","3","6","7","4","1") = "6"
    & skf21("5","5","6","3","6","7","5","1") = "6"
    & skf21("5","5","6","3","6","7","6","1") = "6"
    & skf21("5","5","6","3","6","7","7","1") = "6"
    & skf21("5","5","6","3","7","1","1","1") = "6"
    & skf21("5","5","6","3","7","1","2","1") = "6"
    & skf21("5","5","6","3","7","1","3","1") = "6"
    & skf21("5","5","6","3","7","1","4","1") = "6"
    & skf21("5","5","6","3","7","1","5","1") = "6"
    & skf21("5","5","6","3","7","1","6","1") = "6"
    & skf21("5","5","6","3","7","1","7","1") = "6"
    & skf21("5","5","6","3","7","2","1","1") = "6"
    & skf21("5","5","6","3","7","2","2","1") = "6"
    & skf21("5","5","6","3","7","2","3","1") = "6"
    & skf21("5","5","6","3","7","2","4","1") = "6"
    & skf21("5","5","6","3","7","2","5","1") = "6"
    & skf21("5","5","6","3","7","2","6","1") = "6"
    & skf21("5","5","6","3","7","2","7","1") = "6"
    & skf21("5","5","6","3","7","3","1","1") = "6"
    & skf21("5","5","6","3","7","3","2","1") = "6"
    & skf21("5","5","6","3","7","3","3","1") = "6"
    & skf21("5","5","6","3","7","3","4","1") = "6"
    & skf21("5","5","6","3","7","3","5","1") = "6"
    & skf21("5","5","6","3","7","3","6","1") = "6"
    & skf21("5","5","6","3","7","3","7","1") = "6"
    & skf21("5","5","6","3","7","4","1","1") = "6"
    & skf21("5","5","6","3","7","4","2","1") = "6"
    & skf21("5","5","6","3","7","4","3","1") = "6"
    & skf21("5","5","6","3","7","4","4","1") = "6"
    & skf21("5","5","6","3","7","4","5","1") = "6"
    & skf21("5","5","6","3","7","4","6","1") = "6"
    & skf21("5","5","6","3","7","4","7","1") = "6"
    & skf21("5","5","6","3","7","5","1","1") = "6"
    & skf21("5","5","6","3","7","5","2","1") = "6"
    & skf21("5","5","6","3","7","5","3","1") = "6"
    & skf21("5","5","6","3","7","5","4","1") = "6"
    & skf21("5","5","6","3","7","5","5","1") = "6"
    & skf21("5","5","6","3","7","5","6","1") = "6"
    & skf21("5","5","6","3","7","5","7","1") = "6"
    & skf21("5","5","6","3","7","6","1","1") = "6"
    & skf21("5","5","6","3","7","6","2","1") = "6"
    & skf21("5","5","6","3","7","6","3","1") = "6"
    & skf21("5","5","6","3","7","6","4","1") = "6"
    & skf21("5","5","6","3","7","6","5","1") = "6"
    & skf21("5","5","6","3","7","6","6","1") = "6"
    & skf21("5","5","6","3","7","6","7","1") = "6"
    & skf21("5","5","6","3","7","7","1","1") = "6"
    & skf21("5","5","6","3","7","7","2","1") = "6"
    & skf21("5","5","6","3","7","7","3","1") = "6"
    & skf21("5","5","6","3","7","7","4","1") = "6"
    & skf21("5","5","6","3","7","7","5","1") = "6"
    & skf21("5","5","6","3","7","7","6","1") = "6"
    & skf21("5","5","6","3","7","7","7","1") = "6"
    & skf21("5","5","6","4","1","1","1","1") = "5"
    & skf21("5","5","6","4","1","1","2","1") = "5"
    & skf21("5","5","6","4","1","1","3","1") = "5"
    & skf21("5","5","6","4","1","1","4","1") = "5"
    & skf21("5","5","6","4","1","1","5","1") = "5"
    & skf21("5","5","6","4","1","1","6","1") = "5"
    & skf21("5","5","6","4","1","1","7","1") = "6"
    & skf21("5","5","6","4","1","2","1","1") = "5"
    & skf21("5","5","6","4","1","2","2","1") = "5"
    & skf21("5","5","6","4","1","2","3","1") = "5"
    & skf21("5","5","6","4","1","2","4","1") = "5"
    & skf21("5","5","6","4","1","2","5","1") = "5"
    & skf21("5","5","6","4","1","2","6","1") = "5"
    & skf21("5","5","6","4","1","2","7","1") = "6"
    & skf21("5","5","6","4","1","3","1","1") = "5"
    & skf21("5","5","6","4","1","3","2","1") = "5"
    & skf21("5","5","6","4","1","3","3","1") = "5"
    & skf21("5","5","6","4","1","3","4","1") = "5"
    & skf21("5","5","6","4","1","3","5","1") = "5"
    & skf21("5","5","6","4","1","3","6","1") = "5"
    & skf21("5","5","6","4","1","3","7","1") = "6"
    & skf21("5","5","6","4","1","4","1","1") = "5"
    & skf21("5","5","6","4","1","4","2","1") = "5"
    & skf21("5","5","6","4","1","4","3","1") = "5"
    & skf21("5","5","6","4","1","4","4","1") = "5"
    & skf21("5","5","6","4","1","4","5","1") = "5"
    & skf21("5","5","6","4","1","4","6","1") = "5"
    & skf21("5","5","6","4","1","4","7","1") = "6"
    & skf21("5","5","6","4","1","5","1","1") = "5"
    & skf21("5","5","6","4","1","5","2","1") = "5"
    & skf21("5","5","6","4","1","5","3","1") = "5"
    & skf21("5","5","6","4","1","5","4","1") = "5"
    & skf21("5","5","6","4","1","5","5","1") = "5"
    & skf21("5","5","6","4","1","5","6","1") = "5"
    & skf21("5","5","6","4","1","5","7","1") = "6"
    & skf21("5","5","6","4","1","6","1","1") = "5"
    & skf21("5","5","6","4","1","6","2","1") = "5"
    & skf21("5","5","6","4","1","6","3","1") = "5"
    & skf21("5","5","6","4","1","6","4","1") = "5"
    & skf21("5","5","6","4","1","6","5","1") = "5"
    & skf21("5","5","6","4","1","6","6","1") = "5"
    & skf21("5","5","6","4","1","6","7","1") = "6"
    & skf21("5","5","6","4","1","7","1","1") = "6"
    & skf21("5","5","6","4","1","7","2","1") = "6"
    & skf21("5","5","6","4","1","7","3","1") = "6"
    & skf21("5","5","6","4","1","7","4","1") = "6"
    & skf21("5","5","6","4","1","7","5","1") = "6"
    & skf21("5","5","6","4","1","7","6","1") = "6"
    & skf21("5","5","6","4","1","7","7","1") = "6"
    & skf21("5","5","6","4","2","1","1","1") = "5"
    & skf21("5","5","6","4","2","1","2","1") = "5"
    & skf21("5","5","6","4","2","1","3","1") = "5"
    & skf21("5","5","6","4","2","1","4","1") = "5"
    & skf21("5","5","6","4","2","1","5","1") = "5"
    & skf21("5","5","6","4","2","1","6","1") = "5"
    & skf21("5","5","6","4","2","1","7","1") = "6"
    & skf21("5","5","6","4","2","2","1","1") = "5"
    & skf21("5","5","6","4","2","2","2","1") = "5"
    & skf21("5","5","6","4","2","2","3","1") = "5"
    & skf21("5","5","6","4","2","2","4","1") = "5"
    & skf21("5","5","6","4","2","2","5","1") = "5"
    & skf21("5","5","6","4","2","2","6","1") = "5"
    & skf21("5","5","6","4","2","2","7","1") = "6"
    & skf21("5","5","6","4","2","3","1","1") = "5"
    & skf21("5","5","6","4","2","3","2","1") = "5"
    & skf21("5","5","6","4","2","3","3","1") = "5"
    & skf21("5","5","6","4","2","3","4","1") = "5"
    & skf21("5","5","6","4","2","3","5","1") = "5"
    & skf21("5","5","6","4","2","3","6","1") = "5"
    & skf21("5","5","6","4","2","3","7","1") = "6"
    & skf21("5","5","6","4","2","4","1","1") = "5"
    & skf21("5","5","6","4","2","4","2","1") = "5"
    & skf21("5","5","6","4","2","4","3","1") = "5"
    & skf21("5","5","6","4","2","4","4","1") = "5"
    & skf21("5","5","6","4","2","4","5","1") = "5"
    & skf21("5","5","6","4","2","4","6","1") = "5"
    & skf21("5","5","6","4","2","4","7","1") = "6"
    & skf21("5","5","6","4","2","5","1","1") = "5"
    & skf21("5","5","6","4","2","5","2","1") = "5"
    & skf21("5","5","6","4","2","5","3","1") = "5"
    & skf21("5","5","6","4","2","5","4","1") = "5"
    & skf21("5","5","6","4","2","5","5","1") = "5"
    & skf21("5","5","6","4","2","5","6","1") = "5"
    & skf21("5","5","6","4","2","5","7","1") = "6"
    & skf21("5","5","6","4","2","6","1","1") = "5"
    & skf21("5","5","6","4","2","6","2","1") = "5"
    & skf21("5","5","6","4","2","6","3","1") = "5"
    & skf21("5","5","6","4","2","6","4","1") = "5"
    & skf21("5","5","6","4","2","6","5","1") = "5"
    & skf21("5","5","6","4","2","6","6","1") = "5"
    & skf21("5","5","6","4","2","6","7","1") = "6"
    & skf21("5","5","6","4","2","7","1","1") = "6"
    & skf21("5","5","6","4","2","7","2","1") = "6"
    & skf21("5","5","6","4","2","7","3","1") = "6"
    & skf21("5","5","6","4","2","7","4","1") = "6"
    & skf21("5","5","6","4","2","7","5","1") = "6"
    & skf21("5","5","6","4","2","7","6","1") = "6"
    & skf21("5","5","6","4","2","7","7","1") = "6"
    & skf21("5","5","6","4","3","1","1","1") = "5"
    & skf21("5","5","6","4","3","1","2","1") = "5"
    & skf21("5","5","6","4","3","1","3","1") = "5"
    & skf21("5","5","6","4","3","1","4","1") = "5"
    & skf21("5","5","6","4","3","1","5","1") = "5"
    & skf21("5","5","6","4","3","1","6","1") = "5"
    & skf21("5","5","6","4","3","1","7","1") = "6"
    & skf21("5","5","6","4","3","2","1","1") = "5"
    & skf21("5","5","6","4","3","2","2","1") = "5"
    & skf21("5","5","6","4","3","2","3","1") = "5"
    & skf21("5","5","6","4","3","2","4","1") = "5"
    & skf21("5","5","6","4","3","2","5","1") = "5"
    & skf21("5","5","6","4","3","2","6","1") = "5"
    & skf21("5","5","6","4","3","2","7","1") = "6"
    & skf21("5","5","6","4","3","3","1","1") = "5"
    & skf21("5","5","6","4","3","3","2","1") = "5"
    & skf21("5","5","6","4","3","3","3","1") = "5"
    & skf21("5","5","6","4","3","3","4","1") = "5"
    & skf21("5","5","6","4","3","3","5","1") = "5"
    & skf21("5","5","6","4","3","3","6","1") = "5"
    & skf21("5","5","6","4","3","3","7","1") = "6"
    & skf21("5","5","6","4","3","4","1","1") = "5"
    & skf21("5","5","6","4","3","4","2","1") = "5"
    & skf21("5","5","6","4","3","4","3","1") = "5"
    & skf21("5","5","6","4","3","4","4","1") = "5"
    & skf21("5","5","6","4","3","4","5","1") = "5"
    & skf21("5","5","6","4","3","4","6","1") = "5"
    & skf21("5","5","6","4","3","4","7","1") = "6"
    & skf21("5","5","6","4","3","5","1","1") = "5"
    & skf21("5","5","6","4","3","5","2","1") = "5"
    & skf21("5","5","6","4","3","5","3","1") = "5"
    & skf21("5","5","6","4","3","5","4","1") = "5"
    & skf21("5","5","6","4","3","5","5","1") = "5"
    & skf21("5","5","6","4","3","5","6","1") = "5"
    & skf21("5","5","6","4","3","5","7","1") = "6"
    & skf21("5","5","6","4","3","6","1","1") = "5"
    & skf21("5","5","6","4","3","6","2","1") = "5"
    & skf21("5","5","6","4","3","6","3","1") = "5"
    & skf21("5","5","6","4","3","6","4","1") = "5"
    & skf21("5","5","6","4","3","6","5","1") = "5"
    & skf21("5","5","6","4","3","6","6","1") = "5"
    & skf21("5","5","6","4","3","6","7","1") = "6"
    & skf21("5","5","6","4","3","7","1","1") = "6"
    & skf21("5","5","6","4","3","7","2","1") = "6"
    & skf21("5","5","6","4","3","7","3","1") = "6"
    & skf21("5","5","6","4","3","7","4","1") = "6"
    & skf21("5","5","6","4","3","7","5","1") = "6"
    & skf21("5","5","6","4","3","7","6","1") = "6"
    & skf21("5","5","6","4","3","7","7","1") = "6"
    & skf21("5","5","6","4","4","1","1","1") = "5"
    & skf21("5","5","6","4","4","1","2","1") = "5"
    & skf21("5","5","6","4","4","1","3","1") = "5"
    & skf21("5","5","6","4","4","1","4","1") = "5"
    & skf21("5","5","6","4","4","1","5","1") = "5"
    & skf21("5","5","6","4","4","1","6","1") = "5"
    & skf21("5","5","6","4","4","1","7","1") = "6"
    & skf21("5","5","6","4","4","2","1","1") = "5"
    & skf21("5","5","6","4","4","2","2","1") = "5"
    & skf21("5","5","6","4","4","2","3","1") = "5"
    & skf21("5","5","6","4","4","2","4","1") = "5"
    & skf21("5","5","6","4","4","2","5","1") = "5"
    & skf21("5","5","6","4","4","2","6","1") = "5"
    & skf21("5","5","6","4","4","2","7","1") = "6"
    & skf21("5","5","6","4","4","3","1","1") = "5"
    & skf21("5","5","6","4","4","3","2","1") = "5"
    & skf21("5","5","6","4","4","3","3","1") = "5"
    & skf21("5","5","6","4","4","3","4","1") = "5"
    & skf21("5","5","6","4","4","3","5","1") = "5"
    & skf21("5","5","6","4","4","3","6","1") = "5"
    & skf21("5","5","6","4","4","3","7","1") = "6"
    & skf21("5","5","6","4","4","4","1","1") = "5"
    & skf21("5","5","6","4","4","4","2","1") = "5"
    & skf21("5","5","6","4","4","4","3","1") = "5"
    & skf21("5","5","6","4","4","4","4","1") = "5"
    & skf21("5","5","6","4","4","4","5","1") = "5"
    & skf21("5","5","6","4","4","4","6","1") = "5"
    & skf21("5","5","6","4","4","4","7","1") = "6"
    & skf21("5","5","6","4","4","5","1","1") = "5"
    & skf21("5","5","6","4","4","5","2","1") = "5"
    & skf21("5","5","6","4","4","5","3","1") = "5"
    & skf21("5","5","6","4","4","5","4","1") = "5"
    & skf21("5","5","6","4","4","5","5","1") = "5"
    & skf21("5","5","6","4","4","5","6","1") = "5"
    & skf21("5","5","6","4","4","5","7","1") = "6"
    & skf21("5","5","6","4","4","6","1","1") = "5"
    & skf21("5","5","6","4","4","6","2","1") = "5"
    & skf21("5","5","6","4","4","6","3","1") = "5"
    & skf21("5","5","6","4","4","6","4","1") = "5"
    & skf21("5","5","6","4","4","6","5","1") = "5"
    & skf21("5","5","6","4","4","6","6","1") = "5"
    & skf21("5","5","6","4","4","6","7","1") = "6"
    & skf21("5","5","6","4","4","7","1","1") = "6"
    & skf21("5","5","6","4","4","7","2","1") = "6"
    & skf21("5","5","6","4","4","7","3","1") = "6"
    & skf21("5","5","6","4","4","7","4","1") = "6"
    & skf21("5","5","6","4","4","7","5","1") = "6"
    & skf21("5","5","6","4","4","7","6","1") = "6"
    & skf21("5","5","6","4","4","7","7","1") = "6"
    & skf21("5","5","6","4","5","1","1","1") = "5"
    & skf21("5","5","6","4","5","1","2","1") = "5"
    & skf21("5","5","6","4","5","1","3","1") = "5"
    & skf21("5","5","6","4","5","1","4","1") = "5"
    & skf21("5","5","6","4","5","1","5","1") = "5"
    & skf21("5","5","6","4","5","1","6","1") = "5"
    & skf21("5","5","6","4","5","1","7","1") = "6"
    & skf21("5","5","6","4","5","2","1","1") = "5"
    & skf21("5","5","6","4","5","2","2","1") = "5"
    & skf21("5","5","6","4","5","2","3","1") = "5"
    & skf21("5","5","6","4","5","2","4","1") = "5"
    & skf21("5","5","6","4","5","2","5","1") = "5"
    & skf21("5","5","6","4","5","2","6","1") = "5"
    & skf21("5","5","6","4","5","2","7","1") = "6"
    & skf21("5","5","6","4","5","3","1","1") = "5"
    & skf21("5","5","6","4","5","3","2","1") = "5"
    & skf21("5","5","6","4","5","3","3","1") = "5"
    & skf21("5","5","6","4","5","3","4","1") = "5"
    & skf21("5","5","6","4","5","3","5","1") = "5"
    & skf21("5","5","6","4","5","3","6","1") = "5"
    & skf21("5","5","6","4","5","3","7","1") = "6"
    & skf21("5","5","6","4","5","4","1","1") = "5"
    & skf21("5","5","6","4","5","4","2","1") = "5"
    & skf21("5","5","6","4","5","4","3","1") = "5"
    & skf21("5","5","6","4","5","4","4","1") = "5"
    & skf21("5","5","6","4","5","4","5","1") = "5"
    & skf21("5","5","6","4","5","4","6","1") = "5"
    & skf21("5","5","6","4","5","4","7","1") = "6"
    & skf21("5","5","6","4","5","5","1","1") = "5"
    & skf21("5","5","6","4","5","5","2","1") = "5"
    & skf21("5","5","6","4","5","5","3","1") = "5"
    & skf21("5","5","6","4","5","5","4","1") = "5"
    & skf21("5","5","6","4","5","5","5","1") = "5"
    & skf21("5","5","6","4","5","5","6","1") = "5"
    & skf21("5","5","6","4","5","5","7","1") = "6"
    & skf21("5","5","6","4","5","6","1","1") = "5"
    & skf21("5","5","6","4","5","6","2","1") = "5"
    & skf21("5","5","6","4","5","6","3","1") = "5"
    & skf21("5","5","6","4","5","6","4","1") = "5"
    & skf21("5","5","6","4","5","6","5","1") = "5"
    & skf21("5","5","6","4","5","6","6","1") = "5"
    & skf21("5","5","6","4","5","6","7","1") = "6"
    & skf21("5","5","6","4","5","7","1","1") = "6"
    & skf21("5","5","6","4","5","7","2","1") = "6"
    & skf21("5","5","6","4","5","7","3","1") = "6"
    & skf21("5","5","6","4","5","7","4","1") = "6"
    & skf21("5","5","6","4","5","7","5","1") = "6"
    & skf21("5","5","6","4","5","7","6","1") = "6"
    & skf21("5","5","6","4","5","7","7","1") = "6"
    & skf21("5","5","6","4","6","1","1","1") = "5"
    & skf21("5","5","6","4","6","1","2","1") = "5"
    & skf21("5","5","6","4","6","1","3","1") = "5"
    & skf21("5","5","6","4","6","1","4","1") = "5"
    & skf21("5","5","6","4","6","1","5","1") = "5"
    & skf21("5","5","6","4","6","1","6","1") = "5"
    & skf21("5","5","6","4","6","1","7","1") = "6"
    & skf21("5","5","6","4","6","2","1","1") = "5"
    & skf21("5","5","6","4","6","2","2","1") = "5"
    & skf21("5","5","6","4","6","2","3","1") = "5"
    & skf21("5","5","6","4","6","2","4","1") = "5"
    & skf21("5","5","6","4","6","2","5","1") = "5"
    & skf21("5","5","6","4","6","2","6","1") = "5"
    & skf21("5","5","6","4","6","2","7","1") = "6"
    & skf21("5","5","6","4","6","3","1","1") = "5"
    & skf21("5","5","6","4","6","3","2","1") = "5"
    & skf21("5","5","6","4","6","3","3","1") = "5"
    & skf21("5","5","6","4","6","3","4","1") = "5"
    & skf21("5","5","6","4","6","3","5","1") = "5"
    & skf21("5","5","6","4","6","3","6","1") = "5"
    & skf21("5","5","6","4","6","3","7","1") = "6"
    & skf21("5","5","6","4","6","4","1","1") = "5"
    & skf21("5","5","6","4","6","4","2","1") = "5"
    & skf21("5","5","6","4","6","4","3","1") = "5"
    & skf21("5","5","6","4","6","4","4","1") = "5"
    & skf21("5","5","6","4","6","4","5","1") = "5"
    & skf21("5","5","6","4","6","4","6","1") = "5"
    & skf21("5","5","6","4","6","4","7","1") = "6"
    & skf21("5","5","6","4","6","5","1","1") = "5"
    & skf21("5","5","6","4","6","5","2","1") = "5"
    & skf21("5","5","6","4","6","5","3","1") = "5"
    & skf21("5","5","6","4","6","5","4","1") = "5"
    & skf21("5","5","6","4","6","5","5","1") = "5"
    & skf21("5","5","6","4","6","5","6","1") = "5"
    & skf21("5","5","6","4","6","5","7","1") = "6"
    & skf21("5","5","6","4","6","6","1","1") = "5"
    & skf21("5","5","6","4","6","6","2","1") = "5"
    & skf21("5","5","6","4","6","6","3","1") = "5"
    & skf21("5","5","6","4","6","6","4","1") = "5"
    & skf21("5","5","6","4","6","6","5","1") = "5"
    & skf21("5","5","6","4","6","6","6","1") = "5"
    & skf21("5","5","6","4","6","6","7","1") = "6"
    & skf21("5","5","6","4","6","7","1","1") = "6"
    & skf21("5","5","6","4","6","7","2","1") = "6"
    & skf21("5","5","6","4","6","7","3","1") = "6"
    & skf21("5","5","6","4","6","7","4","1") = "6"
    & skf21("5","5","6","4","6","7","5","1") = "6"
    & skf21("5","5","6","4","6","7","6","1") = "6"
    & skf21("5","5","6","4","6","7","7","1") = "6"
    & skf21("5","5","6","4","7","1","1","1") = "6"
    & skf21("5","5","6","4","7","1","2","1") = "6"
    & skf21("5","5","6","4","7","1","3","1") = "6"
    & skf21("5","5","6","4","7","1","4","1") = "6"
    & skf21("5","5","6","4","7","1","5","1") = "6"
    & skf21("5","5","6","4","7","1","6","1") = "6"
    & skf21("5","5","6","4","7","1","7","1") = "6"
    & skf21("5","5","6","4","7","2","1","1") = "6"
    & skf21("5","5","6","4","7","2","2","1") = "6"
    & skf21("5","5","6","4","7","2","3","1") = "6"
    & skf21("5","5","6","4","7","2","4","1") = "6"
    & skf21("5","5","6","4","7","2","5","1") = "6"
    & skf21("5","5","6","4","7","2","6","1") = "6"
    & skf21("5","5","6","4","7","2","7","1") = "6"
    & skf21("5","5","6","4","7","3","1","1") = "6"
    & skf21("5","5","6","4","7","3","2","1") = "6"
    & skf21("5","5","6","4","7","3","3","1") = "6"
    & skf21("5","5","6","4","7","3","4","1") = "6"
    & skf21("5","5","6","4","7","3","5","1") = "6"
    & skf21("5","5","6","4","7","3","6","1") = "6"
    & skf21("5","5","6","4","7","3","7","1") = "6"
    & skf21("5","5","6","4","7","4","1","1") = "6"
    & skf21("5","5","6","4","7","4","2","1") = "6"
    & skf21("5","5","6","4","7","4","3","1") = "6"
    & skf21("5","5","6","4","7","4","4","1") = "6"
    & skf21("5","5","6","4","7","4","5","1") = "6"
    & skf21("5","5","6","4","7","4","6","1") = "6"
    & skf21("5","5","6","4","7","4","7","1") = "6"
    & skf21("5","5","6","4","7","5","1","1") = "6"
    & skf21("5","5","6","4","7","5","2","1") = "6"
    & skf21("5","5","6","4","7","5","3","1") = "6"
    & skf21("5","5","6","4","7","5","4","1") = "6"
    & skf21("5","5","6","4","7","5","5","1") = "6"
    & skf21("5","5","6","4","7","5","6","1") = "6"
    & skf21("5","5","6","4","7","5","7","1") = "6"
    & skf21("5","5","6","4","7","6","1","1") = "6"
    & skf21("5","5","6","4","7","6","2","1") = "6"
    & skf21("5","5","6","4","7","6","3","1") = "6"
    & skf21("5","5","6","4","7","6","4","1") = "6"
    & skf21("5","5","6","4","7","6","5","1") = "6"
    & skf21("5","5","6","4","7","6","6","1") = "6"
    & skf21("5","5","6","4","7","6","7","1") = "6"
    & skf21("5","5","6","4","7","7","1","1") = "6"
    & skf21("5","5","6","4","7","7","2","1") = "6"
    & skf21("5","5","6","4","7","7","3","1") = "6"
    & skf21("5","5","6","4","7","7","4","1") = "6"
    & skf21("5","5","6","4","7","7","5","1") = "6"
    & skf21("5","5","6","4","7","7","6","1") = "6"
    & skf21("5","5","6","4","7","7","7","1") = "6"
    & skf21("5","5","6","5","1","1","1","1") = "5"
    & skf21("5","5","6","5","1","1","2","1") = "5"
    & skf21("5","5","6","5","1","1","3","1") = "5"
    & skf21("5","5","6","5","1","1","4","1") = "5"
    & skf21("5","5","6","5","1","1","5","1") = "5"
    & skf21("5","5","6","5","1","1","6","1") = "5"
    & skf21("5","5","6","5","1","1","7","1") = "6"
    & skf21("5","5","6","5","1","2","1","1") = "5"
    & skf21("5","5","6","5","1","2","2","1") = "5"
    & skf21("5","5","6","5","1","2","3","1") = "5"
    & skf21("5","5","6","5","1","2","4","1") = "5"
    & skf21("5","5","6","5","1","2","5","1") = "5"
    & skf21("5","5","6","5","1","2","6","1") = "5"
    & skf21("5","5","6","5","1","2","7","1") = "6"
    & skf21("5","5","6","5","1","3","1","1") = "5"
    & skf21("5","5","6","5","1","3","2","1") = "5"
    & skf21("5","5","6","5","1","3","3","1") = "5"
    & skf21("5","5","6","5","1","3","4","1") = "5"
    & skf21("5","5","6","5","1","3","5","1") = "5"
    & skf21("5","5","6","5","1","3","6","1") = "5"
    & skf21("5","5","6","5","1","3","7","1") = "6"
    & skf21("5","5","6","5","1","4","1","1") = "5"
    & skf21("5","5","6","5","1","4","2","1") = "5"
    & skf21("5","5","6","5","1","4","3","1") = "5"
    & skf21("5","5","6","5","1","4","4","1") = "5"
    & skf21("5","5","6","5","1","4","5","1") = "5"
    & skf21("5","5","6","5","1","4","6","1") = "5"
    & skf21("5","5","6","5","1","4","7","1") = "6"
    & skf21("5","5","6","5","1","5","1","1") = "5"
    & skf21("5","5","6","5","1","5","2","1") = "5"
    & skf21("5","5","6","5","1","5","3","1") = "5"
    & skf21("5","5","6","5","1","5","4","1") = "5"
    & skf21("5","5","6","5","1","5","5","1") = "5"
    & skf21("5","5","6","5","1","5","6","1") = "5"
    & skf21("5","5","6","5","1","5","7","1") = "6"
    & skf21("5","5","6","5","1","6","1","1") = "5"
    & skf21("5","5","6","5","1","6","2","1") = "5"
    & skf21("5","5","6","5","1","6","3","1") = "5"
    & skf21("5","5","6","5","1","6","4","1") = "5"
    & skf21("5","5","6","5","1","6","5","1") = "5"
    & skf21("5","5","6","5","1","6","6","1") = "5"
    & skf21("5","5","6","5","1","6","7","1") = "6"
    & skf21("5","5","6","5","1","7","1","1") = "6"
    & skf21("5","5","6","5","1","7","2","1") = "6"
    & skf21("5","5","6","5","1","7","3","1") = "6"
    & skf21("5","5","6","5","1","7","4","1") = "6"
    & skf21("5","5","6","5","1","7","5","1") = "6"
    & skf21("5","5","6","5","1","7","6","1") = "6"
    & skf21("5","5","6","5","1","7","7","1") = "6"
    & skf21("5","5","6","5","2","1","1","1") = "5"
    & skf21("5","5","6","5","2","1","2","1") = "5"
    & skf21("5","5","6","5","2","1","3","1") = "5"
    & skf21("5","5","6","5","2","1","4","1") = "5"
    & skf21("5","5","6","5","2","1","5","1") = "5"
    & skf21("5","5","6","5","2","1","6","1") = "5"
    & skf21("5","5","6","5","2","1","7","1") = "6"
    & skf21("5","5","6","5","2","2","1","1") = "5"
    & skf21("5","5","6","5","2","2","2","1") = "5"
    & skf21("5","5","6","5","2","2","3","1") = "5"
    & skf21("5","5","6","5","2","2","4","1") = "5"
    & skf21("5","5","6","5","2","2","5","1") = "5"
    & skf21("5","5","6","5","2","2","6","1") = "5"
    & skf21("5","5","6","5","2","2","7","1") = "6"
    & skf21("5","5","6","5","2","3","1","1") = "5"
    & skf21("5","5","6","5","2","3","2","1") = "5"
    & skf21("5","5","6","5","2","3","3","1") = "5"
    & skf21("5","5","6","5","2","3","4","1") = "5"
    & skf21("5","5","6","5","2","3","5","1") = "5"
    & skf21("5","5","6","5","2","3","6","1") = "5"
    & skf21("5","5","6","5","2","3","7","1") = "6"
    & skf21("5","5","6","5","2","4","1","1") = "5"
    & skf21("5","5","6","5","2","4","2","1") = "5"
    & skf21("5","5","6","5","2","4","3","1") = "5"
    & skf21("5","5","6","5","2","4","4","1") = "5"
    & skf21("5","5","6","5","2","4","5","1") = "5"
    & skf21("5","5","6","5","2","4","6","1") = "5"
    & skf21("5","5","6","5","2","4","7","1") = "6"
    & skf21("5","5","6","5","2","5","1","1") = "5"
    & skf21("5","5","6","5","2","5","2","1") = "5"
    & skf21("5","5","6","5","2","5","3","1") = "5"
    & skf21("5","5","6","5","2","5","4","1") = "5"
    & skf21("5","5","6","5","2","5","5","1") = "5"
    & skf21("5","5","6","5","2","5","6","1") = "5"
    & skf21("5","5","6","5","2","5","7","1") = "6"
    & skf21("5","5","6","5","2","6","1","1") = "5"
    & skf21("5","5","6","5","2","6","2","1") = "5"
    & skf21("5","5","6","5","2","6","3","1") = "5"
    & skf21("5","5","6","5","2","6","4","1") = "5"
    & skf21("5","5","6","5","2","6","5","1") = "5"
    & skf21("5","5","6","5","2","6","6","1") = "5"
    & skf21("5","5","6","5","2","6","7","1") = "6"
    & skf21("5","5","6","5","2","7","1","1") = "6"
    & skf21("5","5","6","5","2","7","2","1") = "6"
    & skf21("5","5","6","5","2","7","3","1") = "6"
    & skf21("5","5","6","5","2","7","4","1") = "6"
    & skf21("5","5","6","5","2","7","5","1") = "6"
    & skf21("5","5","6","5","2","7","6","1") = "6"
    & skf21("5","5","6","5","2","7","7","1") = "6"
    & skf21("5","5","6","5","3","1","1","1") = "5"
    & skf21("5","5","6","5","3","1","2","1") = "5"
    & skf21("5","5","6","5","3","1","3","1") = "5"
    & skf21("5","5","6","5","3","1","4","1") = "5"
    & skf21("5","5","6","5","3","1","5","1") = "5"
    & skf21("5","5","6","5","3","1","6","1") = "5"
    & skf21("5","5","6","5","3","1","7","1") = "6"
    & skf21("5","5","6","5","3","2","1","1") = "5"
    & skf21("5","5","6","5","3","2","2","1") = "5"
    & skf21("5","5","6","5","3","2","3","1") = "5"
    & skf21("5","5","6","5","3","2","4","1") = "5"
    & skf21("5","5","6","5","3","2","5","1") = "5"
    & skf21("5","5","6","5","3","2","6","1") = "5"
    & skf21("5","5","6","5","3","2","7","1") = "6"
    & skf21("5","5","6","5","3","3","1","1") = "5"
    & skf21("5","5","6","5","3","3","2","1") = "5"
    & skf21("5","5","6","5","3","3","3","1") = "5"
    & skf21("5","5","6","5","3","3","4","1") = "5"
    & skf21("5","5","6","5","3","3","5","1") = "5"
    & skf21("5","5","6","5","3","3","6","1") = "5"
    & skf21("5","5","6","5","3","3","7","1") = "6"
    & skf21("5","5","6","5","3","4","1","1") = "5"
    & skf21("5","5","6","5","3","4","2","1") = "5"
    & skf21("5","5","6","5","3","4","3","1") = "5"
    & skf21("5","5","6","5","3","4","4","1") = "5"
    & skf21("5","5","6","5","3","4","5","1") = "5"
    & skf21("5","5","6","5","3","4","6","1") = "5"
    & skf21("5","5","6","5","3","4","7","1") = "6"
    & skf21("5","5","6","5","3","5","1","1") = "5"
    & skf21("5","5","6","5","3","5","2","1") = "5"
    & skf21("5","5","6","5","3","5","3","1") = "5"
    & skf21("5","5","6","5","3","5","4","1") = "5"
    & skf21("5","5","6","5","3","5","5","1") = "5"
    & skf21("5","5","6","5","3","5","6","1") = "5"
    & skf21("5","5","6","5","3","5","7","1") = "6"
    & skf21("5","5","6","5","3","6","1","1") = "5"
    & skf21("5","5","6","5","3","6","2","1") = "5"
    & skf21("5","5","6","5","3","6","3","1") = "5"
    & skf21("5","5","6","5","3","6","4","1") = "5"
    & skf21("5","5","6","5","3","6","5","1") = "5"
    & skf21("5","5","6","5","3","6","6","1") = "5"
    & skf21("5","5","6","5","3","6","7","1") = "6"
    & skf21("5","5","6","5","3","7","1","1") = "6"
    & skf21("5","5","6","5","3","7","2","1") = "6"
    & skf21("5","5","6","5","3","7","3","1") = "6"
    & skf21("5","5","6","5","3","7","4","1") = "6"
    & skf21("5","5","6","5","3","7","5","1") = "6"
    & skf21("5","5","6","5","3","7","6","1") = "6"
    & skf21("5","5","6","5","3","7","7","1") = "6"
    & skf21("5","5","6","5","4","1","1","1") = "5"
    & skf21("5","5","6","5","4","1","2","1") = "5"
    & skf21("5","5","6","5","4","1","3","1") = "5"
    & skf21("5","5","6","5","4","1","4","1") = "5"
    & skf21("5","5","6","5","4","1","5","1") = "5"
    & skf21("5","5","6","5","4","1","6","1") = "5"
    & skf21("5","5","6","5","4","1","7","1") = "6"
    & skf21("5","5","6","5","4","2","1","1") = "5"
    & skf21("5","5","6","5","4","2","2","1") = "5"
    & skf21("5","5","6","5","4","2","3","1") = "5"
    & skf21("5","5","6","5","4","2","4","1") = "5"
    & skf21("5","5","6","5","4","2","5","1") = "5"
    & skf21("5","5","6","5","4","2","6","1") = "5"
    & skf21("5","5","6","5","4","2","7","1") = "6"
    & skf21("5","5","6","5","4","3","1","1") = "5"
    & skf21("5","5","6","5","4","3","2","1") = "5"
    & skf21("5","5","6","5","4","3","3","1") = "5"
    & skf21("5","5","6","5","4","3","4","1") = "5"
    & skf21("5","5","6","5","4","3","5","1") = "5"
    & skf21("5","5","6","5","4","3","6","1") = "5"
    & skf21("5","5","6","5","4","3","7","1") = "6"
    & skf21("5","5","6","5","4","4","1","1") = "5"
    & skf21("5","5","6","5","4","4","2","1") = "5"
    & skf21("5","5","6","5","4","4","3","1") = "5"
    & skf21("5","5","6","5","4","4","4","1") = "5"
    & skf21("5","5","6","5","4","4","5","1") = "5"
    & skf21("5","5","6","5","4","4","6","1") = "5"
    & skf21("5","5","6","5","4","4","7","1") = "6"
    & skf21("5","5","6","5","4","5","1","1") = "5"
    & skf21("5","5","6","5","4","5","2","1") = "5"
    & skf21("5","5","6","5","4","5","3","1") = "5"
    & skf21("5","5","6","5","4","5","4","1") = "5"
    & skf21("5","5","6","5","4","5","5","1") = "5"
    & skf21("5","5","6","5","4","5","6","1") = "5"
    & skf21("5","5","6","5","4","5","7","1") = "6"
    & skf21("5","5","6","5","4","6","1","1") = "5"
    & skf21("5","5","6","5","4","6","2","1") = "5"
    & skf21("5","5","6","5","4","6","3","1") = "5"
    & skf21("5","5","6","5","4","6","4","1") = "5"
    & skf21("5","5","6","5","4","6","5","1") = "5"
    & skf21("5","5","6","5","4","6","6","1") = "5"
    & skf21("5","5","6","5","4","6","7","1") = "6"
    & skf21("5","5","6","5","4","7","1","1") = "6"
    & skf21("5","5","6","5","4","7","2","1") = "6"
    & skf21("5","5","6","5","4","7","3","1") = "6"
    & skf21("5","5","6","5","4","7","4","1") = "6"
    & skf21("5","5","6","5","4","7","5","1") = "6"
    & skf21("5","5","6","5","4","7","6","1") = "6"
    & skf21("5","5","6","5","4","7","7","1") = "6"
    & skf21("5","5","6","5","5","1","1","1") = "5"
    & skf21("5","5","6","5","5","1","2","1") = "5"
    & skf21("5","5","6","5","5","1","3","1") = "5"
    & skf21("5","5","6","5","5","1","4","1") = "5"
    & skf21("5","5","6","5","5","1","5","1") = "5"
    & skf21("5","5","6","5","5","1","6","1") = "5"
    & skf21("5","5","6","5","5","1","7","1") = "6"
    & skf21("5","5","6","5","5","2","1","1") = "5"
    & skf21("5","5","6","5","5","2","2","1") = "5"
    & skf21("5","5","6","5","5","2","3","1") = "5"
    & skf21("5","5","6","5","5","2","4","1") = "5"
    & skf21("5","5","6","5","5","2","5","1") = "5"
    & skf21("5","5","6","5","5","2","6","1") = "5"
    & skf21("5","5","6","5","5","2","7","1") = "6"
    & skf21("5","5","6","5","5","3","1","1") = "5"
    & skf21("5","5","6","5","5","3","2","1") = "5"
    & skf21("5","5","6","5","5","3","3","1") = "5"
    & skf21("5","5","6","5","5","3","4","1") = "5"
    & skf21("5","5","6","5","5","3","5","1") = "5"
    & skf21("5","5","6","5","5","3","6","1") = "5"
    & skf21("5","5","6","5","5","3","7","1") = "6"
    & skf21("5","5","6","5","5","4","1","1") = "5"
    & skf21("5","5","6","5","5","4","2","1") = "5"
    & skf21("5","5","6","5","5","4","3","1") = "5"
    & skf21("5","5","6","5","5","4","4","1") = "5"
    & skf21("5","5","6","5","5","4","5","1") = "5"
    & skf21("5","5","6","5","5","4","6","1") = "5"
    & skf21("5","5","6","5","5","4","7","1") = "6"
    & skf21("5","5","6","5","5","5","1","1") = "5"
    & skf21("5","5","6","5","5","5","2","1") = "5"
    & skf21("5","5","6","5","5","5","3","1") = "5"
    & skf21("5","5","6","5","5","5","4","1") = "5"
    & skf21("5","5","6","5","5","5","5","1") = "5"
    & skf21("5","5","6","5","5","5","6","1") = "5"
    & skf21("5","5","6","5","5","5","7","1") = "6"
    & skf21("5","5","6","5","5","6","1","1") = "5"
    & skf21("5","5","6","5","5","6","2","1") = "5"
    & skf21("5","5","6","5","5","6","3","1") = "5"
    & skf21("5","5","6","5","5","6","4","1") = "5"
    & skf21("5","5","6","5","5","6","5","1") = "5"
    & skf21("5","5","6","5","5","6","6","1") = "5"
    & skf21("5","5","6","5","5","6","7","1") = "6"
    & skf21("5","5","6","5","5","7","1","1") = "6"
    & skf21("5","5","6","5","5","7","2","1") = "6"
    & skf21("5","5","6","5","5","7","3","1") = "6"
    & skf21("5","5","6","5","5","7","4","1") = "6"
    & skf21("5","5","6","5","5","7","5","1") = "6"
    & skf21("5","5","6","5","5","7","6","1") = "6"
    & skf21("5","5","6","5","5","7","7","1") = "6"
    & skf21("5","5","6","5","6","1","1","1") = "5"
    & skf21("5","5","6","5","6","1","2","1") = "5"
    & skf21("5","5","6","5","6","1","3","1") = "5"
    & skf21("5","5","6","5","6","1","4","1") = "5"
    & skf21("5","5","6","5","6","1","5","1") = "5"
    & skf21("5","5","6","5","6","1","6","1") = "5"
    & skf21("5","5","6","5","6","1","7","1") = "6"
    & skf21("5","5","6","5","6","2","1","1") = "5"
    & skf21("5","5","6","5","6","2","2","1") = "5"
    & skf21("5","5","6","5","6","2","3","1") = "5"
    & skf21("5","5","6","5","6","2","4","1") = "5"
    & skf21("5","5","6","5","6","2","5","1") = "5"
    & skf21("5","5","6","5","6","2","6","1") = "5"
    & skf21("5","5","6","5","6","2","7","1") = "6"
    & skf21("5","5","6","5","6","3","1","1") = "5"
    & skf21("5","5","6","5","6","3","2","1") = "5"
    & skf21("5","5","6","5","6","3","3","1") = "5"
    & skf21("5","5","6","5","6","3","4","1") = "5"
    & skf21("5","5","6","5","6","3","5","1") = "5"
    & skf21("5","5","6","5","6","3","6","1") = "5"
    & skf21("5","5","6","5","6","3","7","1") = "6"
    & skf21("5","5","6","5","6","4","1","1") = "5"
    & skf21("5","5","6","5","6","4","2","1") = "5"
    & skf21("5","5","6","5","6","4","3","1") = "5"
    & skf21("5","5","6","5","6","4","4","1") = "5"
    & skf21("5","5","6","5","6","4","5","1") = "5"
    & skf21("5","5","6","5","6","4","6","1") = "5"
    & skf21("5","5","6","5","6","4","7","1") = "6"
    & skf21("5","5","6","5","6","5","1","1") = "5"
    & skf21("5","5","6","5","6","5","2","1") = "5"
    & skf21("5","5","6","5","6","5","3","1") = "5"
    & skf21("5","5","6","5","6","5","4","1") = "5"
    & skf21("5","5","6","5","6","5","5","1") = "5"
    & skf21("5","5","6","5","6","5","6","1") = "5"
    & skf21("5","5","6","5","6","5","7","1") = "6"
    & skf21("5","5","6","5","6","6","1","1") = "5"
    & skf21("5","5","6","5","6","6","2","1") = "5"
    & skf21("5","5","6","5","6","6","3","1") = "5"
    & skf21("5","5","6","5","6","6","4","1") = "5"
    & skf21("5","5","6","5","6","6","5","1") = "5"
    & skf21("5","5","6","5","6","6","6","1") = "5"
    & skf21("5","5","6","5","6","6","7","1") = "6"
    & skf21("5","5","6","5","6","7","1","1") = "6"
    & skf21("5","5","6","5","6","7","2","1") = "6"
    & skf21("5","5","6","5","6","7","3","1") = "6"
    & skf21("5","5","6","5","6","7","4","1") = "6"
    & skf21("5","5","6","5","6","7","5","1") = "6"
    & skf21("5","5","6","5","6","7","6","1") = "6"
    & skf21("5","5","6","5","6","7","7","1") = "6"
    & skf21("5","5","6","5","7","1","1","1") = "6"
    & skf21("5","5","6","5","7","1","2","1") = "6"
    & skf21("5","5","6","5","7","1","3","1") = "6"
    & skf21("5","5","6","5","7","1","4","1") = "6"
    & skf21("5","5","6","5","7","1","5","1") = "6"
    & skf21("5","5","6","5","7","1","6","1") = "6"
    & skf21("5","5","6","5","7","1","7","1") = "6"
    & skf21("5","5","6","5","7","2","1","1") = "6"
    & skf21("5","5","6","5","7","2","2","1") = "6"
    & skf21("5","5","6","5","7","2","3","1") = "6"
    & skf21("5","5","6","5","7","2","4","1") = "6"
    & skf21("5","5","6","5","7","2","5","1") = "6"
    & skf21("5","5","6","5","7","2","6","1") = "6"
    & skf21("5","5","6","5","7","2","7","1") = "6"
    & skf21("5","5","6","5","7","3","1","1") = "6"
    & skf21("5","5","6","5","7","3","2","1") = "6"
    & skf21("5","5","6","5","7","3","3","1") = "6"
    & skf21("5","5","6","5","7","3","4","1") = "6"
    & skf21("5","5","6","5","7","3","5","1") = "6"
    & skf21("5","5","6","5","7","3","6","1") = "6"
    & skf21("5","5","6","5","7","3","7","1") = "6"
    & skf21("5","5","6","5","7","4","1","1") = "6"
    & skf21("5","5","6","5","7","4","2","1") = "6"
    & skf21("5","5","6","5","7","4","3","1") = "6"
    & skf21("5","5","6","5","7","4","4","1") = "6"
    & skf21("5","5","6","5","7","4","5","1") = "6"
    & skf21("5","5","6","5","7","4","6","1") = "6"
    & skf21("5","5","6","5","7","4","7","1") = "6"
    & skf21("5","5","6","5","7","5","1","1") = "6"
    & skf21("5","5","6","5","7","5","2","1") = "6"
    & skf21("5","5","6","5","7","5","3","1") = "6"
    & skf21("5","5","6","5","7","5","4","1") = "6"
    & skf21("5","5","6","5","7","5","5","1") = "6"
    & skf21("5","5","6","5","7","5","6","1") = "6"
    & skf21("5","5","6","5","7","5","7","1") = "6"
    & skf21("5","5","6","5","7","6","1","1") = "6"
    & skf21("5","5","6","5","7","6","2","1") = "6"
    & skf21("5","5","6","5","7","6","3","1") = "6"
    & skf21("5","5","6","5","7","6","4","1") = "6"
    & skf21("5","5","6","5","7","6","5","1") = "6"
    & skf21("5","5","6","5","7","6","6","1") = "6"
    & skf21("5","5","6","5","7","6","7","1") = "6"
    & skf21("5","5","6","5","7","7","1","1") = "6"
    & skf21("5","5","6","5","7","7","2","1") = "6"
    & skf21("5","5","6","5","7","7","3","1") = "6"
    & skf21("5","5","6","5","7","7","4","1") = "6"
    & skf21("5","5","6","5","7","7","5","1") = "6"
    & skf21("5","5","6","5","7","7","6","1") = "6"
    & skf21("5","5","6","5","7","7","7","1") = "6"
    & skf21("5","5","6","6","1","1","1","1") = "5"
    & skf21("5","5","6","6","1","1","2","1") = "5"
    & skf21("5","5","6","6","1","1","3","1") = "5"
    & skf21("5","5","6","6","1","1","4","1") = "5"
    & skf21("5","5","6","6","1","1","5","1") = "5"
    & skf21("5","5","6","6","1","1","6","1") = "5"
    & skf21("5","5","6","6","1","1","7","1") = "6"
    & skf21("5","5","6","6","1","2","1","1") = "5"
    & skf21("5","5","6","6","1","2","2","1") = "5"
    & skf21("5","5","6","6","1","2","3","1") = "5"
    & skf21("5","5","6","6","1","2","4","1") = "5"
    & skf21("5","5","6","6","1","2","5","1") = "5"
    & skf21("5","5","6","6","1","2","6","1") = "5"
    & skf21("5","5","6","6","1","2","7","1") = "6"
    & skf21("5","5","6","6","1","3","1","1") = "5"
    & skf21("5","5","6","6","1","3","2","1") = "5"
    & skf21("5","5","6","6","1","3","3","1") = "5"
    & skf21("5","5","6","6","1","3","4","1") = "5"
    & skf21("5","5","6","6","1","3","5","1") = "5"
    & skf21("5","5","6","6","1","3","6","1") = "5"
    & skf21("5","5","6","6","1","3","7","1") = "6"
    & skf21("5","5","6","6","1","4","1","1") = "5"
    & skf21("5","5","6","6","1","4","2","1") = "5"
    & skf21("5","5","6","6","1","4","3","1") = "5"
    & skf21("5","5","6","6","1","4","4","1") = "5"
    & skf21("5","5","6","6","1","4","5","1") = "5"
    & skf21("5","5","6","6","1","4","6","1") = "5"
    & skf21("5","5","6","6","1","4","7","1") = "6"
    & skf21("5","5","6","6","1","5","1","1") = "5"
    & skf21("5","5","6","6","1","5","2","1") = "5"
    & skf21("5","5","6","6","1","5","3","1") = "5"
    & skf21("5","5","6","6","1","5","4","1") = "5"
    & skf21("5","5","6","6","1","5","5","1") = "5"
    & skf21("5","5","6","6","1","5","6","1") = "5"
    & skf21("5","5","6","6","1","5","7","1") = "6"
    & skf21("5","5","6","6","1","6","1","1") = "5"
    & skf21("5","5","6","6","1","6","2","1") = "5"
    & skf21("5","5","6","6","1","6","3","1") = "5"
    & skf21("5","5","6","6","1","6","4","1") = "5"
    & skf21("5","5","6","6","1","6","5","1") = "5"
    & skf21("5","5","6","6","1","6","6","1") = "5"
    & skf21("5","5","6","6","1","6","7","1") = "6"
    & skf21("5","5","6","6","1","7","1","1") = "6"
    & skf21("5","5","6","6","1","7","2","1") = "6"
    & skf21("5","5","6","6","1","7","3","1") = "6"
    & skf21("5","5","6","6","1","7","4","1") = "6"
    & skf21("5","5","6","6","1","7","5","1") = "6"
    & skf21("5","5","6","6","1","7","6","1") = "6"
    & skf21("5","5","6","6","1","7","7","1") = "6"
    & skf21("5","5","6","6","2","1","1","1") = "5"
    & skf21("5","5","6","6","2","1","2","1") = "5"
    & skf21("5","5","6","6","2","1","3","1") = "5"
    & skf21("5","5","6","6","2","1","4","1") = "5"
    & skf21("5","5","6","6","2","1","5","1") = "5"
    & skf21("5","5","6","6","2","1","6","1") = "5"
    & skf21("5","5","6","6","2","1","7","1") = "6"
    & skf21("5","5","6","6","2","2","1","1") = "5"
    & skf21("5","5","6","6","2","2","2","1") = "5"
    & skf21("5","5","6","6","2","2","3","1") = "5"
    & skf21("5","5","6","6","2","2","4","1") = "5"
    & skf21("5","5","6","6","2","2","5","1") = "5"
    & skf21("5","5","6","6","2","2","6","1") = "5"
    & skf21("5","5","6","6","2","2","7","1") = "6"
    & skf21("5","5","6","6","2","3","1","1") = "5"
    & skf21("5","5","6","6","2","3","2","1") = "5"
    & skf21("5","5","6","6","2","3","3","1") = "5"
    & skf21("5","5","6","6","2","3","4","1") = "5"
    & skf21("5","5","6","6","2","3","5","1") = "5"
    & skf21("5","5","6","6","2","3","6","1") = "5"
    & skf21("5","5","6","6","2","3","7","1") = "6"
    & skf21("5","5","6","6","2","4","1","1") = "5"
    & skf21("5","5","6","6","2","4","2","1") = "5"
    & skf21("5","5","6","6","2","4","3","1") = "5"
    & skf21("5","5","6","6","2","4","4","1") = "5"
    & skf21("5","5","6","6","2","4","5","1") = "5"
    & skf21("5","5","6","6","2","4","6","1") = "5"
    & skf21("5","5","6","6","2","4","7","1") = "6"
    & skf21("5","5","6","6","2","5","1","1") = "5"
    & skf21("5","5","6","6","2","5","2","1") = "5"
    & skf21("5","5","6","6","2","5","3","1") = "5"
    & skf21("5","5","6","6","2","5","4","1") = "5"
    & skf21("5","5","6","6","2","5","5","1") = "5"
    & skf21("5","5","6","6","2","5","6","1") = "5"
    & skf21("5","5","6","6","2","5","7","1") = "6"
    & skf21("5","5","6","6","2","6","1","1") = "5"
    & skf21("5","5","6","6","2","6","2","1") = "5"
    & skf21("5","5","6","6","2","6","3","1") = "5"
    & skf21("5","5","6","6","2","6","4","1") = "5"
    & skf21("5","5","6","6","2","6","5","1") = "5"
    & skf21("5","5","6","6","2","6","6","1") = "5"
    & skf21("5","5","6","6","2","6","7","1") = "6"
    & skf21("5","5","6","6","2","7","1","1") = "6"
    & skf21("5","5","6","6","2","7","2","1") = "6"
    & skf21("5","5","6","6","2","7","3","1") = "6"
    & skf21("5","5","6","6","2","7","4","1") = "6"
    & skf21("5","5","6","6","2","7","5","1") = "6"
    & skf21("5","5","6","6","2","7","6","1") = "6"
    & skf21("5","5","6","6","2","7","7","1") = "6"
    & skf21("5","5","6","6","3","1","1","1") = "5"
    & skf21("5","5","6","6","3","1","2","1") = "5"
    & skf21("5","5","6","6","3","1","3","1") = "5"
    & skf21("5","5","6","6","3","1","4","1") = "5"
    & skf21("5","5","6","6","3","1","5","1") = "5"
    & skf21("5","5","6","6","3","1","6","1") = "5"
    & skf21("5","5","6","6","3","1","7","1") = "6"
    & skf21("5","5","6","6","3","2","1","1") = "5"
    & skf21("5","5","6","6","3","2","2","1") = "5"
    & skf21("5","5","6","6","3","2","3","1") = "5"
    & skf21("5","5","6","6","3","2","4","1") = "5"
    & skf21("5","5","6","6","3","2","5","1") = "5"
    & skf21("5","5","6","6","3","2","6","1") = "5"
    & skf21("5","5","6","6","3","2","7","1") = "6"
    & skf21("5","5","6","6","3","3","1","1") = "5"
    & skf21("5","5","6","6","3","3","2","1") = "5"
    & skf21("5","5","6","6","3","3","3","1") = "5"
    & skf21("5","5","6","6","3","3","4","1") = "5"
    & skf21("5","5","6","6","3","3","5","1") = "5"
    & skf21("5","5","6","6","3","3","6","1") = "5"
    & skf21("5","5","6","6","3","3","7","1") = "6"
    & skf21("5","5","6","6","3","4","1","1") = "5"
    & skf21("5","5","6","6","3","4","2","1") = "5"
    & skf21("5","5","6","6","3","4","3","1") = "5"
    & skf21("5","5","6","6","3","4","4","1") = "5"
    & skf21("5","5","6","6","3","4","5","1") = "5"
    & skf21("5","5","6","6","3","4","6","1") = "5"
    & skf21("5","5","6","6","3","4","7","1") = "6"
    & skf21("5","5","6","6","3","5","1","1") = "5"
    & skf21("5","5","6","6","3","5","2","1") = "5"
    & skf21("5","5","6","6","3","5","3","1") = "5"
    & skf21("5","5","6","6","3","5","4","1") = "5"
    & skf21("5","5","6","6","3","5","5","1") = "5"
    & skf21("5","5","6","6","3","5","6","1") = "5"
    & skf21("5","5","6","6","3","5","7","1") = "6"
    & skf21("5","5","6","6","3","6","1","1") = "5"
    & skf21("5","5","6","6","3","6","2","1") = "5"
    & skf21("5","5","6","6","3","6","3","1") = "5"
    & skf21("5","5","6","6","3","6","4","1") = "5"
    & skf21("5","5","6","6","3","6","5","1") = "5"
    & skf21("5","5","6","6","3","6","6","1") = "5"
    & skf21("5","5","6","6","3","6","7","1") = "6"
    & skf21("5","5","6","6","3","7","1","1") = "6"
    & skf21("5","5","6","6","3","7","2","1") = "6"
    & skf21("5","5","6","6","3","7","3","1") = "6"
    & skf21("5","5","6","6","3","7","4","1") = "6"
    & skf21("5","5","6","6","3","7","5","1") = "6"
    & skf21("5","5","6","6","3","7","6","1") = "6"
    & skf21("5","5","6","6","3","7","7","1") = "6"
    & skf21("5","5","6","6","4","1","1","1") = "5"
    & skf21("5","5","6","6","4","1","2","1") = "5"
    & skf21("5","5","6","6","4","1","3","1") = "5"
    & skf21("5","5","6","6","4","1","4","1") = "5"
    & skf21("5","5","6","6","4","1","5","1") = "5"
    & skf21("5","5","6","6","4","1","6","1") = "5"
    & skf21("5","5","6","6","4","1","7","1") = "6"
    & skf21("5","5","6","6","4","2","1","1") = "5"
    & skf21("5","5","6","6","4","2","2","1") = "5"
    & skf21("5","5","6","6","4","2","3","1") = "5"
    & skf21("5","5","6","6","4","2","4","1") = "5"
    & skf21("5","5","6","6","4","2","5","1") = "5"
    & skf21("5","5","6","6","4","2","6","1") = "5"
    & skf21("5","5","6","6","4","2","7","1") = "6"
    & skf21("5","5","6","6","4","3","1","1") = "5"
    & skf21("5","5","6","6","4","3","2","1") = "5"
    & skf21("5","5","6","6","4","3","3","1") = "5"
    & skf21("5","5","6","6","4","3","4","1") = "5"
    & skf21("5","5","6","6","4","3","5","1") = "5"
    & skf21("5","5","6","6","4","3","6","1") = "5"
    & skf21("5","5","6","6","4","3","7","1") = "6"
    & skf21("5","5","6","6","4","4","1","1") = "5"
    & skf21("5","5","6","6","4","4","2","1") = "5"
    & skf21("5","5","6","6","4","4","3","1") = "5"
    & skf21("5","5","6","6","4","4","4","1") = "5"
    & skf21("5","5","6","6","4","4","5","1") = "5"
    & skf21("5","5","6","6","4","4","6","1") = "5"
    & skf21("5","5","6","6","4","4","7","1") = "6"
    & skf21("5","5","6","6","4","5","1","1") = "5"
    & skf21("5","5","6","6","4","5","2","1") = "5"
    & skf21("5","5","6","6","4","5","3","1") = "5"
    & skf21("5","5","6","6","4","5","4","1") = "5"
    & skf21("5","5","6","6","4","5","5","1") = "5"
    & skf21("5","5","6","6","4","5","6","1") = "5"
    & skf21("5","5","6","6","4","5","7","1") = "6"
    & skf21("5","5","6","6","4","6","1","1") = "5"
    & skf21("5","5","6","6","4","6","2","1") = "5"
    & skf21("5","5","6","6","4","6","3","1") = "5"
    & skf21("5","5","6","6","4","6","4","1") = "5"
    & skf21("5","5","6","6","4","6","5","1") = "5"
    & skf21("5","5","6","6","4","6","6","1") = "5"
    & skf21("5","5","6","6","4","6","7","1") = "6"
    & skf21("5","5","6","6","4","7","1","1") = "6"
    & skf21("5","5","6","6","4","7","2","1") = "6"
    & skf21("5","5","6","6","4","7","3","1") = "6"
    & skf21("5","5","6","6","4","7","4","1") = "6"
    & skf21("5","5","6","6","4","7","5","1") = "6"
    & skf21("5","5","6","6","4","7","6","1") = "6"
    & skf21("5","5","6","6","4","7","7","1") = "6"
    & skf21("5","5","6","6","5","1","1","1") = "5"
    & skf21("5","5","6","6","5","1","2","1") = "5"
    & skf21("5","5","6","6","5","1","3","1") = "5"
    & skf21("5","5","6","6","5","1","4","1") = "5"
    & skf21("5","5","6","6","5","1","5","1") = "5"
    & skf21("5","5","6","6","5","1","6","1") = "5"
    & skf21("5","5","6","6","5","1","7","1") = "6"
    & skf21("5","5","6","6","5","2","1","1") = "5"
    & skf21("5","5","6","6","5","2","2","1") = "5"
    & skf21("5","5","6","6","5","2","3","1") = "5"
    & skf21("5","5","6","6","5","2","4","1") = "5"
    & skf21("5","5","6","6","5","2","5","1") = "5"
    & skf21("5","5","6","6","5","2","6","1") = "5"
    & skf21("5","5","6","6","5","2","7","1") = "6"
    & skf21("5","5","6","6","5","3","1","1") = "5"
    & skf21("5","5","6","6","5","3","2","1") = "5"
    & skf21("5","5","6","6","5","3","3","1") = "5"
    & skf21("5","5","6","6","5","3","4","1") = "5"
    & skf21("5","5","6","6","5","3","5","1") = "5"
    & skf21("5","5","6","6","5","3","6","1") = "5"
    & skf21("5","5","6","6","5","3","7","1") = "6"
    & skf21("5","5","6","6","5","4","1","1") = "5"
    & skf21("5","5","6","6","5","4","2","1") = "5"
    & skf21("5","5","6","6","5","4","3","1") = "5"
    & skf21("5","5","6","6","5","4","4","1") = "5"
    & skf21("5","5","6","6","5","4","5","1") = "5"
    & skf21("5","5","6","6","5","4","6","1") = "5"
    & skf21("5","5","6","6","5","4","7","1") = "6"
    & skf21("5","5","6","6","5","5","1","1") = "5"
    & skf21("5","5","6","6","5","5","2","1") = "5"
    & skf21("5","5","6","6","5","5","3","1") = "5"
    & skf21("5","5","6","6","5","5","4","1") = "5"
    & skf21("5","5","6","6","5","5","5","1") = "5"
    & skf21("5","5","6","6","5","5","6","1") = "5"
    & skf21("5","5","6","6","5","5","7","1") = "6"
    & skf21("5","5","6","6","5","6","1","1") = "5"
    & skf21("5","5","6","6","5","6","2","1") = "5"
    & skf21("5","5","6","6","5","6","3","1") = "5"
    & skf21("5","5","6","6","5","6","4","1") = "5"
    & skf21("5","5","6","6","5","6","5","1") = "5"
    & skf21("5","5","6","6","5","6","6","1") = "5"
    & skf21("5","5","6","6","5","6","7","1") = "6"
    & skf21("5","5","6","6","5","7","1","1") = "6"
    & skf21("5","5","6","6","5","7","2","1") = "6"
    & skf21("5","5","6","6","5","7","3","1") = "6"
    & skf21("5","5","6","6","5","7","4","1") = "6"
    & skf21("5","5","6","6","5","7","5","1") = "6"
    & skf21("5","5","6","6","5","7","6","1") = "6"
    & skf21("5","5","6","6","5","7","7","1") = "6"
    & skf21("5","5","6","6","6","1","1","1") = "5"
    & skf21("5","5","6","6","6","1","2","1") = "5"
    & skf21("5","5","6","6","6","1","3","1") = "5"
    & skf21("5","5","6","6","6","1","4","1") = "5"
    & skf21("5","5","6","6","6","1","5","1") = "5"
    & skf21("5","5","6","6","6","1","6","1") = "5"
    & skf21("5","5","6","6","6","1","7","1") = "6"
    & skf21("5","5","6","6","6","2","1","1") = "5"
    & skf21("5","5","6","6","6","2","2","1") = "5"
    & skf21("5","5","6","6","6","2","3","1") = "5"
    & skf21("5","5","6","6","6","2","4","1") = "5"
    & skf21("5","5","6","6","6","2","5","1") = "5"
    & skf21("5","5","6","6","6","2","6","1") = "5"
    & skf21("5","5","6","6","6","2","7","1") = "6"
    & skf21("5","5","6","6","6","3","1","1") = "5"
    & skf21("5","5","6","6","6","3","2","1") = "5"
    & skf21("5","5","6","6","6","3","3","1") = "5"
    & skf21("5","5","6","6","6","3","4","1") = "5"
    & skf21("5","5","6","6","6","3","5","1") = "5"
    & skf21("5","5","6","6","6","3","6","1") = "5"
    & skf21("5","5","6","6","6","3","7","1") = "6"
    & skf21("5","5","6","6","6","4","1","1") = "5"
    & skf21("5","5","6","6","6","4","2","1") = "5"
    & skf21("5","5","6","6","6","4","3","1") = "5"
    & skf21("5","5","6","6","6","4","4","1") = "5"
    & skf21("5","5","6","6","6","4","5","1") = "5"
    & skf21("5","5","6","6","6","4","6","1") = "5"
    & skf21("5","5","6","6","6","4","7","1") = "6"
    & skf21("5","5","6","6","6","5","1","1") = "5"
    & skf21("5","5","6","6","6","5","2","1") = "5"
    & skf21("5","5","6","6","6","5","3","1") = "5"
    & skf21("5","5","6","6","6","5","4","1") = "5"
    & skf21("5","5","6","6","6","5","5","1") = "5"
    & skf21("5","5","6","6","6","5","6","1") = "5"
    & skf21("5","5","6","6","6","5","7","1") = "6"
    & skf21("5","5","6","6","6","6","1","1") = "5"
    & skf21("5","5","6","6","6","6","2","1") = "5"
    & skf21("5","5","6","6","6","6","3","1") = "5"
    & skf21("5","5","6","6","6","6","4","1") = "5"
    & skf21("5","5","6","6","6","6","5","1") = "5"
    & skf21("5","5","6","6","6","6","6","1") = "5"
    & skf21("5","5","6","6","6","6","7","1") = "6"
    & skf21("5","5","6","6","6","7","1","1") = "6"
    & skf21("5","5","6","6","6","7","2","1") = "6"
    & skf21("5","5","6","6","6","7","3","1") = "6"
    & skf21("5","5","6","6","6","7","4","1") = "6"
    & skf21("5","5","6","6","6","7","5","1") = "6"
    & skf21("5","5","6","6","6","7","6","1") = "6"
    & skf21("5","5","6","6","6","7","7","1") = "6"
    & skf21("5","5","6","6","7","1","1","1") = "6"
    & skf21("5","5","6","6","7","1","2","1") = "6"
    & skf21("5","5","6","6","7","1","3","1") = "6"
    & skf21("5","5","6","6","7","1","4","1") = "6"
    & skf21("5","5","6","6","7","1","5","1") = "6"
    & skf21("5","5","6","6","7","1","6","1") = "6"
    & skf21("5","5","6","6","7","1","7","1") = "6"
    & skf21("5","5","6","6","7","2","1","1") = "6"
    & skf21("5","5","6","6","7","2","2","1") = "6"
    & skf21("5","5","6","6","7","2","3","1") = "6"
    & skf21("5","5","6","6","7","2","4","1") = "6"
    & skf21("5","5","6","6","7","2","5","1") = "6"
    & skf21("5","5","6","6","7","2","6","1") = "6"
    & skf21("5","5","6","6","7","2","7","1") = "6"
    & skf21("5","5","6","6","7","3","1","1") = "6"
    & skf21("5","5","6","6","7","3","2","1") = "6"
    & skf21("5","5","6","6","7","3","3","1") = "6"
    & skf21("5","5","6","6","7","3","4","1") = "6"
    & skf21("5","5","6","6","7","3","5","1") = "6"
    & skf21("5","5","6","6","7","3","6","1") = "6"
    & skf21("5","5","6","6","7","3","7","1") = "6"
    & skf21("5","5","6","6","7","4","1","1") = "6"
    & skf21("5","5","6","6","7","4","2","1") = "6"
    & skf21("5","5","6","6","7","4","3","1") = "6"
    & skf21("5","5","6","6","7","4","4","1") = "6"
    & skf21("5","5","6","6","7","4","5","1") = "6"
    & skf21("5","5","6","6","7","4","6","1") = "6"
    & skf21("5","5","6","6","7","4","7","1") = "6"
    & skf21("5","5","6","6","7","5","1","1") = "6"
    & skf21("5","5","6","6","7","5","2","1") = "6"
    & skf21("5","5","6","6","7","5","3","1") = "6"
    & skf21("5","5","6","6","7","5","4","1") = "6"
    & skf21("5","5","6","6","7","5","5","1") = "6"
    & skf21("5","5","6","6","7","5","6","1") = "6"
    & skf21("5","5","6","6","7","5","7","1") = "6"
    & skf21("5","5","6","6","7","6","1","1") = "6"
    & skf21("5","5","6","6","7","6","2","1") = "6"
    & skf21("5","5","6","6","7","6","3","1") = "6"
    & skf21("5","5","6","6","7","6","4","1") = "6"
    & skf21("5","5","6","6","7","6","5","1") = "6"
    & skf21("5","5","6","6","7","6","6","1") = "6"
    & skf21("5","5","6","6","7","6","7","1") = "6"
    & skf21("5","5","6","6","7","7","1","1") = "6"
    & skf21("5","5","6","6","7","7","2","1") = "6"
    & skf21("5","5","6","6","7","7","3","1") = "6"
    & skf21("5","5","6","6","7","7","4","1") = "6"
    & skf21("5","5","6","6","7","7","5","1") = "6"
    & skf21("5","5","6","6","7","7","6","1") = "6"
    & skf21("5","5","6","6","7","7","7","1") = "6"
    & skf21("5","5","6","7","1","1","1","1") = "6"
    & skf21("5","5","6","7","1","1","2","1") = "6"
    & skf21("5","5","6","7","1","1","3","1") = "6"
    & skf21("5","5","6","7","1","1","4","1") = "6"
    & skf21("5","5","6","7","1","1","5","1") = "6"
    & skf21("5","5","6","7","1","1","6","1") = "6"
    & skf21("5","5","6","7","1","1","7","1") = "6"
    & skf21("5","5","6","7","1","2","1","1") = "6"
    & skf21("5","5","6","7","1","2","2","1") = "6"
    & skf21("5","5","6","7","1","2","3","1") = "6"
    & skf21("5","5","6","7","1","2","4","1") = "6"
    & skf21("5","5","6","7","1","2","5","1") = "6"
    & skf21("5","5","6","7","1","2","6","1") = "6"
    & skf21("5","5","6","7","1","2","7","1") = "6"
    & skf21("5","5","6","7","1","3","1","1") = "6"
    & skf21("5","5","6","7","1","3","2","1") = "6"
    & skf21("5","5","6","7","1","3","3","1") = "6"
    & skf21("5","5","6","7","1","3","4","1") = "6"
    & skf21("5","5","6","7","1","3","5","1") = "6"
    & skf21("5","5","6","7","1","3","6","1") = "6"
    & skf21("5","5","6","7","1","3","7","1") = "6"
    & skf21("5","5","6","7","1","4","1","1") = "6"
    & skf21("5","5","6","7","1","4","2","1") = "6"
    & skf21("5","5","6","7","1","4","3","1") = "6"
    & skf21("5","5","6","7","1","4","4","1") = "6"
    & skf21("5","5","6","7","1","4","5","1") = "6"
    & skf21("5","5","6","7","1","4","6","1") = "6"
    & skf21("5","5","6","7","1","4","7","1") = "6"
    & skf21("5","5","6","7","1","5","1","1") = "6"
    & skf21("5","5","6","7","1","5","2","1") = "6"
    & skf21("5","5","6","7","1","5","3","1") = "6"
    & skf21("5","5","6","7","1","5","4","1") = "6"
    & skf21("5","5","6","7","1","5","5","1") = "6"
    & skf21("5","5","6","7","1","5","6","1") = "6"
    & skf21("5","5","6","7","1","5","7","1") = "6"
    & skf21("5","5","6","7","1","6","1","1") = "6"
    & skf21("5","5","6","7","1","6","2","1") = "6"
    & skf21("5","5","6","7","1","6","3","1") = "6"
    & skf21("5","5","6","7","1","6","4","1") = "6"
    & skf21("5","5","6","7","1","6","5","1") = "6"
    & skf21("5","5","6","7","1","6","6","1") = "6"
    & skf21("5","5","6","7","1","6","7","1") = "6"
    & skf21("5","5","6","7","1","7","1","1") = "6"
    & skf21("5","5","6","7","1","7","2","1") = "6"
    & skf21("5","5","6","7","1","7","3","1") = "6"
    & skf21("5","5","6","7","1","7","4","1") = "6"
    & skf21("5","5","6","7","1","7","5","1") = "6"
    & skf21("5","5","6","7","1","7","6","1") = "6"
    & skf21("5","5","6","7","1","7","7","1") = "6"
    & skf21("5","5","6","7","2","1","1","1") = "6"
    & skf21("5","5","6","7","2","1","2","1") = "6"
    & skf21("5","5","6","7","2","1","3","1") = "6"
    & skf21("5","5","6","7","2","1","4","1") = "6"
    & skf21("5","5","6","7","2","1","5","1") = "6"
    & skf21("5","5","6","7","2","1","6","1") = "6"
    & skf21("5","5","6","7","2","1","7","1") = "6"
    & skf21("5","5","6","7","2","2","1","1") = "6"
    & skf21("5","5","6","7","2","2","2","1") = "6"
    & skf21("5","5","6","7","2","2","3","1") = "6"
    & skf21("5","5","6","7","2","2","4","1") = "6"
    & skf21("5","5","6","7","2","2","5","1") = "6"
    & skf21("5","5","6","7","2","2","6","1") = "6"
    & skf21("5","5","6","7","2","2","7","1") = "6"
    & skf21("5","5","6","7","2","3","1","1") = "6"
    & skf21("5","5","6","7","2","3","2","1") = "6"
    & skf21("5","5","6","7","2","3","3","1") = "6"
    & skf21("5","5","6","7","2","3","4","1") = "6"
    & skf21("5","5","6","7","2","3","5","1") = "6"
    & skf21("5","5","6","7","2","3","6","1") = "6"
    & skf21("5","5","6","7","2","3","7","1") = "6"
    & skf21("5","5","6","7","2","4","1","1") = "6"
    & skf21("5","5","6","7","2","4","2","1") = "6"
    & skf21("5","5","6","7","2","4","3","1") = "6"
    & skf21("5","5","6","7","2","4","4","1") = "6"
    & skf21("5","5","6","7","2","4","5","1") = "6"
    & skf21("5","5","6","7","2","4","6","1") = "6"
    & skf21("5","5","6","7","2","4","7","1") = "6"
    & skf21("5","5","6","7","2","5","1","1") = "6"
    & skf21("5","5","6","7","2","5","2","1") = "6"
    & skf21("5","5","6","7","2","5","3","1") = "6"
    & skf21("5","5","6","7","2","5","4","1") = "6"
    & skf21("5","5","6","7","2","5","5","1") = "6"
    & skf21("5","5","6","7","2","5","6","1") = "6"
    & skf21("5","5","6","7","2","5","7","1") = "6"
    & skf21("5","5","6","7","2","6","1","1") = "6"
    & skf21("5","5","6","7","2","6","2","1") = "6"
    & skf21("5","5","6","7","2","6","3","1") = "6"
    & skf21("5","5","6","7","2","6","4","1") = "6"
    & skf21("5","5","6","7","2","6","5","1") = "6"
    & skf21("5","5","6","7","2","6","6","1") = "6"
    & skf21("5","5","6","7","2","6","7","1") = "6"
    & skf21("5","5","6","7","2","7","1","1") = "6"
    & skf21("5","5","6","7","2","7","2","1") = "6"
    & skf21("5","5","6","7","2","7","3","1") = "6"
    & skf21("5","5","6","7","2","7","4","1") = "6"
    & skf21("5","5","6","7","2","7","5","1") = "6"
    & skf21("5","5","6","7","2","7","6","1") = "6"
    & skf21("5","5","6","7","2","7","7","1") = "6"
    & skf21("5","5","6","7","3","1","1","1") = "6"
    & skf21("5","5","6","7","3","1","2","1") = "6"
    & skf21("5","5","6","7","3","1","3","1") = "6"
    & skf21("5","5","6","7","3","1","4","1") = "6"
    & skf21("5","5","6","7","3","1","5","1") = "6"
    & skf21("5","5","6","7","3","1","6","1") = "6"
    & skf21("5","5","6","7","3","1","7","1") = "6"
    & skf21("5","5","6","7","3","2","1","1") = "6"
    & skf21("5","5","6","7","3","2","2","1") = "6"
    & skf21("5","5","6","7","3","2","3","1") = "6"
    & skf21("5","5","6","7","3","2","4","1") = "6"
    & skf21("5","5","6","7","3","2","5","1") = "6"
    & skf21("5","5","6","7","3","2","6","1") = "6"
    & skf21("5","5","6","7","3","2","7","1") = "6"
    & skf21("5","5","6","7","3","3","1","1") = "6"
    & skf21("5","5","6","7","3","3","2","1") = "6"
    & skf21("5","5","6","7","3","3","3","1") = "6"
    & skf21("5","5","6","7","3","3","4","1") = "6"
    & skf21("5","5","6","7","3","3","5","1") = "6"
    & skf21("5","5","6","7","3","3","6","1") = "6"
    & skf21("5","5","6","7","3","3","7","1") = "6"
    & skf21("5","5","6","7","3","4","1","1") = "6"
    & skf21("5","5","6","7","3","4","2","1") = "6"
    & skf21("5","5","6","7","3","4","3","1") = "6"
    & skf21("5","5","6","7","3","4","4","1") = "6"
    & skf21("5","5","6","7","3","4","5","1") = "6"
    & skf21("5","5","6","7","3","4","6","1") = "6"
    & skf21("5","5","6","7","3","4","7","1") = "6"
    & skf21("5","5","6","7","3","5","1","1") = "6"
    & skf21("5","5","6","7","3","5","2","1") = "6"
    & skf21("5","5","6","7","3","5","3","1") = "6"
    & skf21("5","5","6","7","3","5","4","1") = "6"
    & skf21("5","5","6","7","3","5","5","1") = "6"
    & skf21("5","5","6","7","3","5","6","1") = "6"
    & skf21("5","5","6","7","3","5","7","1") = "6"
    & skf21("5","5","6","7","3","6","1","1") = "6"
    & skf21("5","5","6","7","3","6","2","1") = "6"
    & skf21("5","5","6","7","3","6","3","1") = "6"
    & skf21("5","5","6","7","3","6","4","1") = "6"
    & skf21("5","5","6","7","3","6","5","1") = "6"
    & skf21("5","5","6","7","3","6","6","1") = "6"
    & skf21("5","5","6","7","3","6","7","1") = "6"
    & skf21("5","5","6","7","3","7","1","1") = "6"
    & skf21("5","5","6","7","3","7","2","1") = "6"
    & skf21("5","5","6","7","3","7","3","1") = "6"
    & skf21("5","5","6","7","3","7","4","1") = "6"
    & skf21("5","5","6","7","3","7","5","1") = "6"
    & skf21("5","5","6","7","3","7","6","1") = "6"
    & skf21("5","5","6","7","3","7","7","1") = "6"
    & skf21("5","5","6","7","4","1","1","1") = "6"
    & skf21("5","5","6","7","4","1","2","1") = "6"
    & skf21("5","5","6","7","4","1","3","1") = "6"
    & skf21("5","5","6","7","4","1","4","1") = "6"
    & skf21("5","5","6","7","4","1","5","1") = "6"
    & skf21("5","5","6","7","4","1","6","1") = "6"
    & skf21("5","5","6","7","4","1","7","1") = "6"
    & skf21("5","5","6","7","4","2","1","1") = "6"
    & skf21("5","5","6","7","4","2","2","1") = "6"
    & skf21("5","5","6","7","4","2","3","1") = "6"
    & skf21("5","5","6","7","4","2","4","1") = "6"
    & skf21("5","5","6","7","4","2","5","1") = "6"
    & skf21("5","5","6","7","4","2","6","1") = "6"
    & skf21("5","5","6","7","4","2","7","1") = "6"
    & skf21("5","5","6","7","4","3","1","1") = "6"
    & skf21("5","5","6","7","4","3","2","1") = "6"
    & skf21("5","5","6","7","4","3","3","1") = "6"
    & skf21("5","5","6","7","4","3","4","1") = "6"
    & skf21("5","5","6","7","4","3","5","1") = "6"
    & skf21("5","5","6","7","4","3","6","1") = "6"
    & skf21("5","5","6","7","4","3","7","1") = "6"
    & skf21("5","5","6","7","4","4","1","1") = "6"
    & skf21("5","5","6","7","4","4","2","1") = "6"
    & skf21("5","5","6","7","4","4","3","1") = "6"
    & skf21("5","5","6","7","4","4","4","1") = "6"
    & skf21("5","5","6","7","4","4","5","1") = "6"
    & skf21("5","5","6","7","4","4","6","1") = "6"
    & skf21("5","5","6","7","4","4","7","1") = "6"
    & skf21("5","5","6","7","4","5","1","1") = "6"
    & skf21("5","5","6","7","4","5","2","1") = "6"
    & skf21("5","5","6","7","4","5","3","1") = "6"
    & skf21("5","5","6","7","4","5","4","1") = "6"
    & skf21("5","5","6","7","4","5","5","1") = "6"
    & skf21("5","5","6","7","4","5","6","1") = "6"
    & skf21("5","5","6","7","4","5","7","1") = "6"
    & skf21("5","5","6","7","4","6","1","1") = "6"
    & skf21("5","5","6","7","4","6","2","1") = "6"
    & skf21("5","5","6","7","4","6","3","1") = "6"
    & skf21("5","5","6","7","4","6","4","1") = "6"
    & skf21("5","5","6","7","4","6","5","1") = "6"
    & skf21("5","5","6","7","4","6","6","1") = "6"
    & skf21("5","5","6","7","4","6","7","1") = "6"
    & skf21("5","5","6","7","4","7","1","1") = "6"
    & skf21("5","5","6","7","4","7","2","1") = "6"
    & skf21("5","5","6","7","4","7","3","1") = "6"
    & skf21("5","5","6","7","4","7","4","1") = "6"
    & skf21("5","5","6","7","4","7","5","1") = "6"
    & skf21("5","5","6","7","4","7","6","1") = "6"
    & skf21("5","5","6","7","4","7","7","1") = "6"
    & skf21("5","5","6","7","5","1","1","1") = "6"
    & skf21("5","5","6","7","5","1","2","1") = "6"
    & skf21("5","5","6","7","5","1","3","1") = "6"
    & skf21("5","5","6","7","5","1","4","1") = "6"
    & skf21("5","5","6","7","5","1","5","1") = "6"
    & skf21("5","5","6","7","5","1","6","1") = "6"
    & skf21("5","5","6","7","5","1","7","1") = "6"
    & skf21("5","5","6","7","5","2","1","1") = "6"
    & skf21("5","5","6","7","5","2","2","1") = "6"
    & skf21("5","5","6","7","5","2","3","1") = "6"
    & skf21("5","5","6","7","5","2","4","1") = "6"
    & skf21("5","5","6","7","5","2","5","1") = "6"
    & skf21("5","5","6","7","5","2","6","1") = "6"
    & skf21("5","5","6","7","5","2","7","1") = "6"
    & skf21("5","5","6","7","5","3","1","1") = "6"
    & skf21("5","5","6","7","5","3","2","1") = "6"
    & skf21("5","5","6","7","5","3","3","1") = "6"
    & skf21("5","5","6","7","5","3","4","1") = "6"
    & skf21("5","5","6","7","5","3","5","1") = "6"
    & skf21("5","5","6","7","5","3","6","1") = "6"
    & skf21("5","5","6","7","5","3","7","1") = "6"
    & skf21("5","5","6","7","5","4","1","1") = "6"
    & skf21("5","5","6","7","5","4","2","1") = "6"
    & skf21("5","5","6","7","5","4","3","1") = "6"
    & skf21("5","5","6","7","5","4","4","1") = "6"
    & skf21("5","5","6","7","5","4","5","1") = "6"
    & skf21("5","5","6","7","5","4","6","1") = "6"
    & skf21("5","5","6","7","5","4","7","1") = "6"
    & skf21("5","5","6","7","5","5","1","1") = "6"
    & skf21("5","5","6","7","5","5","2","1") = "6"
    & skf21("5","5","6","7","5","5","3","1") = "6"
    & skf21("5","5","6","7","5","5","4","1") = "6"
    & skf21("5","5","6","7","5","5","5","1") = "6"
    & skf21("5","5","6","7","5","5","6","1") = "6"
    & skf21("5","5","6","7","5","5","7","1") = "6"
    & skf21("5","5","6","7","5","6","1","1") = "6"
    & skf21("5","5","6","7","5","6","2","1") = "6"
    & skf21("5","5","6","7","5","6","3","1") = "6"
    & skf21("5","5","6","7","5","6","4","1") = "6"
    & skf21("5","5","6","7","5","6","5","1") = "6"
    & skf21("5","5","6","7","5","6","6","1") = "6"
    & skf21("5","5","6","7","5","6","7","1") = "6"
    & skf21("5","5","6","7","5","7","1","1") = "6"
    & skf21("5","5","6","7","5","7","2","1") = "6"
    & skf21("5","5","6","7","5","7","3","1") = "6"
    & skf21("5","5","6","7","5","7","4","1") = "6"
    & skf21("5","5","6","7","5","7","5","1") = "6"
    & skf21("5","5","6","7","5","7","6","1") = "6"
    & skf21("5","5","6","7","5","7","7","1") = "6"
    & skf21("5","5","6","7","6","1","1","1") = "6"
    & skf21("5","5","6","7","6","1","2","1") = "6"
    & skf21("5","5","6","7","6","1","3","1") = "6"
    & skf21("5","5","6","7","6","1","4","1") = "6"
    & skf21("5","5","6","7","6","1","5","1") = "6"
    & skf21("5","5","6","7","6","1","6","1") = "6"
    & skf21("5","5","6","7","6","1","7","1") = "6"
    & skf21("5","5","6","7","6","2","1","1") = "6"
    & skf21("5","5","6","7","6","2","2","1") = "6"
    & skf21("5","5","6","7","6","2","3","1") = "6"
    & skf21("5","5","6","7","6","2","4","1") = "6"
    & skf21("5","5","6","7","6","2","5","1") = "6"
    & skf21("5","5","6","7","6","2","6","1") = "6"
    & skf21("5","5","6","7","6","2","7","1") = "6"
    & skf21("5","5","6","7","6","3","1","1") = "6"
    & skf21("5","5","6","7","6","3","2","1") = "6"
    & skf21("5","5","6","7","6","3","3","1") = "6"
    & skf21("5","5","6","7","6","3","4","1") = "6"
    & skf21("5","5","6","7","6","3","5","1") = "6"
    & skf21("5","5","6","7","6","3","6","1") = "6"
    & skf21("5","5","6","7","6","3","7","1") = "6"
    & skf21("5","5","6","7","6","4","1","1") = "6"
    & skf21("5","5","6","7","6","4","2","1") = "6"
    & skf21("5","5","6","7","6","4","3","1") = "6"
    & skf21("5","5","6","7","6","4","4","1") = "6"
    & skf21("5","5","6","7","6","4","5","1") = "6"
    & skf21("5","5","6","7","6","4","6","1") = "6"
    & skf21("5","5","6","7","6","4","7","1") = "6"
    & skf21("5","5","6","7","6","5","1","1") = "6"
    & skf21("5","5","6","7","6","5","2","1") = "6"
    & skf21("5","5","6","7","6","5","3","1") = "6"
    & skf21("5","5","6","7","6","5","4","1") = "6"
    & skf21("5","5","6","7","6","5","5","1") = "6"
    & skf21("5","5","6","7","6","5","6","1") = "6"
    & skf21("5","5","6","7","6","5","7","1") = "6"
    & skf21("5","5","6","7","6","6","1","1") = "6"
    & skf21("5","5","6","7","6","6","2","1") = "6"
    & skf21("5","5","6","7","6","6","3","1") = "6"
    & skf21("5","5","6","7","6","6","4","1") = "6"
    & skf21("5","5","6","7","6","6","5","1") = "6"
    & skf21("5","5","6","7","6","6","6","1") = "6"
    & skf21("5","5","6","7","6","6","7","1") = "6"
    & skf21("5","5","6","7","6","7","1","1") = "6"
    & skf21("5","5","6","7","6","7","2","1") = "6"
    & skf21("5","5","6","7","6","7","3","1") = "6"
    & skf21("5","5","6","7","6","7","4","1") = "6"
    & skf21("5","5","6","7","6","7","5","1") = "6"
    & skf21("5","5","6","7","6","7","6","1") = "6"
    & skf21("5","5","6","7","6","7","7","1") = "6"
    & skf21("5","5","6","7","7","1","1","1") = "6"
    & skf21("5","5","6","7","7","1","2","1") = "6"
    & skf21("5","5","6","7","7","1","3","1") = "6"
    & skf21("5","5","6","7","7","1","4","1") = "6"
    & skf21("5","5","6","7","7","1","5","1") = "6"
    & skf21("5","5","6","7","7","1","6","1") = "6"
    & skf21("5","5","6","7","7","1","7","1") = "6"
    & skf21("5","5","6","7","7","2","1","1") = "6"
    & skf21("5","5","6","7","7","2","2","1") = "6"
    & skf21("5","5","6","7","7","2","3","1") = "6"
    & skf21("5","5","6","7","7","2","4","1") = "6"
    & skf21("5","5","6","7","7","2","5","1") = "6"
    & skf21("5","5","6","7","7","2","6","1") = "6"
    & skf21("5","5","6","7","7","2","7","1") = "6"
    & skf21("5","5","6","7","7","3","1","1") = "6"
    & skf21("5","5","6","7","7","3","2","1") = "6"
    & skf21("5","5","6","7","7","3","3","1") = "6"
    & skf21("5","5","6","7","7","3","4","1") = "6"
    & skf21("5","5","6","7","7","3","5","1") = "6"
    & skf21("5","5","6","7","7","3","6","1") = "6"
    & skf21("5","5","6","7","7","3","7","1") = "6"
    & skf21("5","5","6","7","7","4","1","1") = "6"
    & skf21("5","5","6","7","7","4","2","1") = "6"
    & skf21("5","5","6","7","7","4","3","1") = "6"
    & skf21("5","5","6","7","7","4","4","1") = "6"
    & skf21("5","5","6","7","7","4","5","1") = "6"
    & skf21("5","5","6","7","7","4","6","1") = "6"
    & skf21("5","5","6","7","7","4","7","1") = "6"
    & skf21("5","5","6","7","7","5","1","1") = "6"
    & skf21("5","5","6","7","7","5","2","1") = "6"
    & skf21("5","5","6","7","7","5","3","1") = "6"
    & skf21("5","5","6","7","7","5","4","1") = "6"
    & skf21("5","5","6","7","7","5","5","1") = "6"
    & skf21("5","5","6","7","7","5","6","1") = "6"
    & skf21("5","5","6","7","7","5","7","1") = "6"
    & skf21("5","5","6","7","7","6","1","1") = "6"
    & skf21("5","5","6","7","7","6","2","1") = "6"
    & skf21("5","5","6","7","7","6","3","1") = "6"
    & skf21("5","5","6","7","7","6","4","1") = "6"
    & skf21("5","5","6","7","7","6","5","1") = "6"
    & skf21("5","5","6","7","7","6","6","1") = "6"
    & skf21("5","5","6","7","7","6","7","1") = "6"
    & skf21("5","5","6","7","7","7","1","1") = "6"
    & skf21("5","5","6","7","7","7","2","1") = "6"
    & skf21("5","5","6","7","7","7","3","1") = "6"
    & skf21("5","5","6","7","7","7","4","1") = "6"
    & skf21("5","5","6","7","7","7","5","1") = "6"
    & skf21("5","5","6","7","7","7","6","1") = "6"
    & skf21("5","5","6","7","7","7","7","1") = "6"
    & skf21("5","5","7","1","1","1","1","1") = "6"
    & skf21("5","5","7","1","1","1","2","1") = "6"
    & skf21("5","5","7","1","1","1","3","1") = "6"
    & skf21("5","5","7","1","1","1","4","1") = "6"
    & skf21("5","5","7","1","1","1","5","1") = "6"
    & skf21("5","5","7","1","1","1","6","1") = "6"
    & skf21("5","5","7","1","1","1","7","1") = "6"
    & skf21("5","5","7","1","1","2","1","1") = "6"
    & skf21("5","5","7","1","1","2","2","1") = "6"
    & skf21("5","5","7","1","1","2","3","1") = "6"
    & skf21("5","5","7","1","1","2","4","1") = "6"
    & skf21("5","5","7","1","1","2","5","1") = "6"
    & skf21("5","5","7","1","1","2","6","1") = "6"
    & skf21("5","5","7","1","1","2","7","1") = "6"
    & skf21("5","5","7","1","1","3","1","1") = "6"
    & skf21("5","5","7","1","1","3","2","1") = "6"
    & skf21("5","5","7","1","1","3","3","1") = "6"
    & skf21("5","5","7","1","1","3","4","1") = "6"
    & skf21("5","5","7","1","1","3","5","1") = "6"
    & skf21("5","5","7","1","1","3","6","1") = "6"
    & skf21("5","5","7","1","1","3","7","1") = "6"
    & skf21("5","5","7","1","1","4","1","1") = "6"
    & skf21("5","5","7","1","1","4","2","1") = "6"
    & skf21("5","5","7","1","1","4","3","1") = "6"
    & skf21("5","5","7","1","1","4","4","1") = "6"
    & skf21("5","5","7","1","1","4","5","1") = "6"
    & skf21("5","5","7","1","1","4","6","1") = "6"
    & skf21("5","5","7","1","1","4","7","1") = "6"
    & skf21("5","5","7","1","1","5","1","1") = "6"
    & skf21("5","5","7","1","1","5","2","1") = "6"
    & skf21("5","5","7","1","1","5","3","1") = "6"
    & skf21("5","5","7","1","1","5","4","1") = "6"
    & skf21("5","5","7","1","1","5","5","1") = "6"
    & skf21("5","5","7","1","1","5","6","1") = "6"
    & skf21("5","5","7","1","1","5","7","1") = "6"
    & skf21("5","5","7","1","1","6","1","1") = "6"
    & skf21("5","5","7","1","1","6","2","1") = "6"
    & skf21("5","5","7","1","1","6","3","1") = "6"
    & skf21("5","5","7","1","1","6","4","1") = "6"
    & skf21("5","5","7","1","1","6","5","1") = "6"
    & skf21("5","5","7","1","1","6","6","1") = "6"
    & skf21("5","5","7","1","1","6","7","1") = "6"
    & skf21("5","5","7","1","1","7","1","1") = "6"
    & skf21("5","5","7","1","1","7","2","1") = "6"
    & skf21("5","5","7","1","1","7","3","1") = "6"
    & skf21("5","5","7","1","1","7","4","1") = "6"
    & skf21("5","5","7","1","1","7","5","1") = "6"
    & skf21("5","5","7","1","1","7","6","1") = "6"
    & skf21("5","5","7","1","1","7","7","1") = "6"
    & skf21("5","5","7","1","2","1","1","1") = "6"
    & skf21("5","5","7","1","2","1","2","1") = "6"
    & skf21("5","5","7","1","2","1","3","1") = "6"
    & skf21("5","5","7","1","2","1","4","1") = "6"
    & skf21("5","5","7","1","2","1","5","1") = "6"
    & skf21("5","5","7","1","2","1","6","1") = "6"
    & skf21("5","5","7","1","2","1","7","1") = "6"
    & skf21("5","5","7","1","2","2","1","1") = "6"
    & skf21("5","5","7","1","2","2","2","1") = "6"
    & skf21("5","5","7","1","2","2","3","1") = "6"
    & skf21("5","5","7","1","2","2","4","1") = "6"
    & skf21("5","5","7","1","2","2","5","1") = "6"
    & skf21("5","5","7","1","2","2","6","1") = "6"
    & skf21("5","5","7","1","2","2","7","1") = "6"
    & skf21("5","5","7","1","2","3","1","1") = "6"
    & skf21("5","5","7","1","2","3","2","1") = "6"
    & skf21("5","5","7","1","2","3","3","1") = "6"
    & skf21("5","5","7","1","2","3","4","1") = "6"
    & skf21("5","5","7","1","2","3","5","1") = "6"
    & skf21("5","5","7","1","2","3","6","1") = "6"
    & skf21("5","5","7","1","2","3","7","1") = "6"
    & skf21("5","5","7","1","2","4","1","1") = "6"
    & skf21("5","5","7","1","2","4","2","1") = "6"
    & skf21("5","5","7","1","2","4","3","1") = "6"
    & skf21("5","5","7","1","2","4","4","1") = "6"
    & skf21("5","5","7","1","2","4","5","1") = "6"
    & skf21("5","5","7","1","2","4","6","1") = "6"
    & skf21("5","5","7","1","2","4","7","1") = "6"
    & skf21("5","5","7","1","2","5","1","1") = "6"
    & skf21("5","5","7","1","2","5","2","1") = "6"
    & skf21("5","5","7","1","2","5","3","1") = "6"
    & skf21("5","5","7","1","2","5","4","1") = "6"
    & skf21("5","5","7","1","2","5","5","1") = "6"
    & skf21("5","5","7","1","2","5","6","1") = "6"
    & skf21("5","5","7","1","2","5","7","1") = "6"
    & skf21("5","5","7","1","2","6","1","1") = "6"
    & skf21("5","5","7","1","2","6","2","1") = "6"
    & skf21("5","5","7","1","2","6","3","1") = "6"
    & skf21("5","5","7","1","2","6","4","1") = "6"
    & skf21("5","5","7","1","2","6","5","1") = "6"
    & skf21("5","5","7","1","2","6","6","1") = "6"
    & skf21("5","5","7","1","2","6","7","1") = "6"
    & skf21("5","5","7","1","2","7","1","1") = "6"
    & skf21("5","5","7","1","2","7","2","1") = "6"
    & skf21("5","5","7","1","2","7","3","1") = "6"
    & skf21("5","5","7","1","2","7","4","1") = "6"
    & skf21("5","5","7","1","2","7","5","1") = "6"
    & skf21("5","5","7","1","2","7","6","1") = "6"
    & skf21("5","5","7","1","2","7","7","1") = "6"
    & skf21("5","5","7","1","3","1","1","1") = "6"
    & skf21("5","5","7","1","3","1","2","1") = "6"
    & skf21("5","5","7","1","3","1","3","1") = "6"
    & skf21("5","5","7","1","3","1","4","1") = "6"
    & skf21("5","5","7","1","3","1","5","1") = "6"
    & skf21("5","5","7","1","3","1","6","1") = "6"
    & skf21("5","5","7","1","3","1","7","1") = "6"
    & skf21("5","5","7","1","3","2","1","1") = "6"
    & skf21("5","5","7","1","3","2","2","1") = "6"
    & skf21("5","5","7","1","3","2","3","1") = "6"
    & skf21("5","5","7","1","3","2","4","1") = "6"
    & skf21("5","5","7","1","3","2","5","1") = "6"
    & skf21("5","5","7","1","3","2","6","1") = "6"
    & skf21("5","5","7","1","3","2","7","1") = "6"
    & skf21("5","5","7","1","3","3","1","1") = "6"
    & skf21("5","5","7","1","3","3","2","1") = "6"
    & skf21("5","5","7","1","3","3","3","1") = "6"
    & skf21("5","5","7","1","3","3","4","1") = "6"
    & skf21("5","5","7","1","3","3","5","1") = "6"
    & skf21("5","5","7","1","3","3","6","1") = "6"
    & skf21("5","5","7","1","3","3","7","1") = "6"
    & skf21("5","5","7","1","3","4","1","1") = "6"
    & skf21("5","5","7","1","3","4","2","1") = "6"
    & skf21("5","5","7","1","3","4","3","1") = "6"
    & skf21("5","5","7","1","3","4","4","1") = "6"
    & skf21("5","5","7","1","3","4","5","1") = "6"
    & skf21("5","5","7","1","3","4","6","1") = "6"
    & skf21("5","5","7","1","3","4","7","1") = "6"
    & skf21("5","5","7","1","3","5","1","1") = "6"
    & skf21("5","5","7","1","3","5","2","1") = "6"
    & skf21("5","5","7","1","3","5","3","1") = "6"
    & skf21("5","5","7","1","3","5","4","1") = "6"
    & skf21("5","5","7","1","3","5","5","1") = "6"
    & skf21("5","5","7","1","3","5","6","1") = "6"
    & skf21("5","5","7","1","3","5","7","1") = "6"
    & skf21("5","5","7","1","3","6","1","1") = "6"
    & skf21("5","5","7","1","3","6","2","1") = "6"
    & skf21("5","5","7","1","3","6","3","1") = "6"
    & skf21("5","5","7","1","3","6","4","1") = "6"
    & skf21("5","5","7","1","3","6","5","1") = "6"
    & skf21("5","5","7","1","3","6","6","1") = "6"
    & skf21("5","5","7","1","3","6","7","1") = "6"
    & skf21("5","5","7","1","3","7","1","1") = "6"
    & skf21("5","5","7","1","3","7","2","1") = "6"
    & skf21("5","5","7","1","3","7","3","1") = "6"
    & skf21("5","5","7","1","3","7","4","1") = "6"
    & skf21("5","5","7","1","3","7","5","1") = "6"
    & skf21("5","5","7","1","3","7","6","1") = "6"
    & skf21("5","5","7","1","3","7","7","1") = "6"
    & skf21("5","5","7","1","4","1","1","1") = "6"
    & skf21("5","5","7","1","4","1","2","1") = "6"
    & skf21("5","5","7","1","4","1","3","1") = "6"
    & skf21("5","5","7","1","4","1","4","1") = "6"
    & skf21("5","5","7","1","4","1","5","1") = "6"
    & skf21("5","5","7","1","4","1","6","1") = "6"
    & skf21("5","5","7","1","4","1","7","1") = "6"
    & skf21("5","5","7","1","4","2","1","1") = "6"
    & skf21("5","5","7","1","4","2","2","1") = "6"
    & skf21("5","5","7","1","4","2","3","1") = "6"
    & skf21("5","5","7","1","4","2","4","1") = "6"
    & skf21("5","5","7","1","4","2","5","1") = "6"
    & skf21("5","5","7","1","4","2","6","1") = "6"
    & skf21("5","5","7","1","4","2","7","1") = "6"
    & skf21("5","5","7","1","4","3","1","1") = "6"
    & skf21("5","5","7","1","4","3","2","1") = "6"
    & skf21("5","5","7","1","4","3","3","1") = "6"
    & skf21("5","5","7","1","4","3","4","1") = "6"
    & skf21("5","5","7","1","4","3","5","1") = "6"
    & skf21("5","5","7","1","4","3","6","1") = "6"
    & skf21("5","5","7","1","4","3","7","1") = "6"
    & skf21("5","5","7","1","4","4","1","1") = "6"
    & skf21("5","5","7","1","4","4","2","1") = "6"
    & skf21("5","5","7","1","4","4","3","1") = "6"
    & skf21("5","5","7","1","4","4","4","1") = "6"
    & skf21("5","5","7","1","4","4","5","1") = "6"
    & skf21("5","5","7","1","4","4","6","1") = "6"
    & skf21("5","5","7","1","4","4","7","1") = "6"
    & skf21("5","5","7","1","4","5","1","1") = "6"
    & skf21("5","5","7","1","4","5","2","1") = "6"
    & skf21("5","5","7","1","4","5","3","1") = "6"
    & skf21("5","5","7","1","4","5","4","1") = "6"
    & skf21("5","5","7","1","4","5","5","1") = "6"
    & skf21("5","5","7","1","4","5","6","1") = "6"
    & skf21("5","5","7","1","4","5","7","1") = "6"
    & skf21("5","5","7","1","4","6","1","1") = "6"
    & skf21("5","5","7","1","4","6","2","1") = "6"
    & skf21("5","5","7","1","4","6","3","1") = "6"
    & skf21("5","5","7","1","4","6","4","1") = "6"
    & skf21("5","5","7","1","4","6","5","1") = "6"
    & skf21("5","5","7","1","4","6","6","1") = "6"
    & skf21("5","5","7","1","4","6","7","1") = "6"
    & skf21("5","5","7","1","4","7","1","1") = "6"
    & skf21("5","5","7","1","4","7","2","1") = "6"
    & skf21("5","5","7","1","4","7","3","1") = "6"
    & skf21("5","5","7","1","4","7","4","1") = "6"
    & skf21("5","5","7","1","4","7","5","1") = "6"
    & skf21("5","5","7","1","4","7","6","1") = "6"
    & skf21("5","5","7","1","4","7","7","1") = "6"
    & skf21("5","5","7","1","5","1","1","1") = "6"
    & skf21("5","5","7","1","5","1","2","1") = "6"
    & skf21("5","5","7","1","5","1","3","1") = "6"
    & skf21("5","5","7","1","5","1","4","1") = "6"
    & skf21("5","5","7","1","5","1","5","1") = "6"
    & skf21("5","5","7","1","5","1","6","1") = "6"
    & skf21("5","5","7","1","5","1","7","1") = "6"
    & skf21("5","5","7","1","5","2","1","1") = "6"
    & skf21("5","5","7","1","5","2","2","1") = "6"
    & skf21("5","5","7","1","5","2","3","1") = "6"
    & skf21("5","5","7","1","5","2","4","1") = "6"
    & skf21("5","5","7","1","5","2","5","1") = "6"
    & skf21("5","5","7","1","5","2","6","1") = "6"
    & skf21("5","5","7","1","5","2","7","1") = "6"
    & skf21("5","5","7","1","5","3","1","1") = "6"
    & skf21("5","5","7","1","5","3","2","1") = "6"
    & skf21("5","5","7","1","5","3","3","1") = "6"
    & skf21("5","5","7","1","5","3","4","1") = "6"
    & skf21("5","5","7","1","5","3","5","1") = "6"
    & skf21("5","5","7","1","5","3","6","1") = "6"
    & skf21("5","5","7","1","5","3","7","1") = "6"
    & skf21("5","5","7","1","5","4","1","1") = "6"
    & skf21("5","5","7","1","5","4","2","1") = "6"
    & skf21("5","5","7","1","5","4","3","1") = "6"
    & skf21("5","5","7","1","5","4","4","1") = "6"
    & skf21("5","5","7","1","5","4","5","1") = "6"
    & skf21("5","5","7","1","5","4","6","1") = "6"
    & skf21("5","5","7","1","5","4","7","1") = "6"
    & skf21("5","5","7","1","5","5","1","1") = "6"
    & skf21("5","5","7","1","5","5","2","1") = "6"
    & skf21("5","5","7","1","5","5","3","1") = "6"
    & skf21("5","5","7","1","5","5","4","1") = "6"
    & skf21("5","5","7","1","5","5","5","1") = "6"
    & skf21("5","5","7","1","5","5","6","1") = "6"
    & skf21("5","5","7","1","5","5","7","1") = "6"
    & skf21("5","5","7","1","5","6","1","1") = "6"
    & skf21("5","5","7","1","5","6","2","1") = "6"
    & skf21("5","5","7","1","5","6","3","1") = "6"
    & skf21("5","5","7","1","5","6","4","1") = "6"
    & skf21("5","5","7","1","5","6","5","1") = "6"
    & skf21("5","5","7","1","5","6","6","1") = "6"
    & skf21("5","5","7","1","5","6","7","1") = "6"
    & skf21("5","5","7","1","5","7","1","1") = "6"
    & skf21("5","5","7","1","5","7","2","1") = "6"
    & skf21("5","5","7","1","5","7","3","1") = "6"
    & skf21("5","5","7","1","5","7","4","1") = "6"
    & skf21("5","5","7","1","5","7","5","1") = "6"
    & skf21("5","5","7","1","5","7","6","1") = "6"
    & skf21("5","5","7","1","5","7","7","1") = "6"
    & skf21("5","5","7","1","6","1","1","1") = "6"
    & skf21("5","5","7","1","6","1","2","1") = "6"
    & skf21("5","5","7","1","6","1","3","1") = "6"
    & skf21("5","5","7","1","6","1","4","1") = "6"
    & skf21("5","5","7","1","6","1","5","1") = "6"
    & skf21("5","5","7","1","6","1","6","1") = "6"
    & skf21("5","5","7","1","6","1","7","1") = "6"
    & skf21("5","5","7","1","6","2","1","1") = "6"
    & skf21("5","5","7","1","6","2","2","1") = "6"
    & skf21("5","5","7","1","6","2","3","1") = "6"
    & skf21("5","5","7","1","6","2","4","1") = "6"
    & skf21("5","5","7","1","6","2","5","1") = "6"
    & skf21("5","5","7","1","6","2","6","1") = "6"
    & skf21("5","5","7","1","6","2","7","1") = "6"
    & skf21("5","5","7","1","6","3","1","1") = "6"
    & skf21("5","5","7","1","6","3","2","1") = "6"
    & skf21("5","5","7","1","6","3","3","1") = "6"
    & skf21("5","5","7","1","6","3","4","1") = "6"
    & skf21("5","5","7","1","6","3","5","1") = "6"
    & skf21("5","5","7","1","6","3","6","1") = "6"
    & skf21("5","5","7","1","6","3","7","1") = "6"
    & skf21("5","5","7","1","6","4","1","1") = "6"
    & skf21("5","5","7","1","6","4","2","1") = "6"
    & skf21("5","5","7","1","6","4","3","1") = "6"
    & skf21("5","5","7","1","6","4","4","1") = "6"
    & skf21("5","5","7","1","6","4","5","1") = "6"
    & skf21("5","5","7","1","6","4","6","1") = "6"
    & skf21("5","5","7","1","6","4","7","1") = "6"
    & skf21("5","5","7","1","6","5","1","1") = "6"
    & skf21("5","5","7","1","6","5","2","1") = "6"
    & skf21("5","5","7","1","6","5","3","1") = "6"
    & skf21("5","5","7","1","6","5","4","1") = "6"
    & skf21("5","5","7","1","6","5","5","1") = "6"
    & skf21("5","5","7","1","6","5","6","1") = "6"
    & skf21("5","5","7","1","6","5","7","1") = "6"
    & skf21("5","5","7","1","6","6","1","1") = "6"
    & skf21("5","5","7","1","6","6","2","1") = "6"
    & skf21("5","5","7","1","6","6","3","1") = "6"
    & skf21("5","5","7","1","6","6","4","1") = "6"
    & skf21("5","5","7","1","6","6","5","1") = "6"
    & skf21("5","5","7","1","6","6","6","1") = "6"
    & skf21("5","5","7","1","6","6","7","1") = "6"
    & skf21("5","5","7","1","6","7","1","1") = "6"
    & skf21("5","5","7","1","6","7","2","1") = "6"
    & skf21("5","5","7","1","6","7","3","1") = "6"
    & skf21("5","5","7","1","6","7","4","1") = "6"
    & skf21("5","5","7","1","6","7","5","1") = "6"
    & skf21("5","5","7","1","6","7","6","1") = "6"
    & skf21("5","5","7","1","6","7","7","1") = "6"
    & skf21("5","5","7","1","7","1","1","1") = "6"
    & skf21("5","5","7","1","7","1","2","1") = "6"
    & skf21("5","5","7","1","7","1","3","1") = "6"
    & skf21("5","5","7","1","7","1","4","1") = "6"
    & skf21("5","5","7","1","7","1","5","1") = "6"
    & skf21("5","5","7","1","7","1","6","1") = "6"
    & skf21("5","5","7","1","7","1","7","1") = "6"
    & skf21("5","5","7","1","7","2","1","1") = "6"
    & skf21("5","5","7","1","7","2","2","1") = "6"
    & skf21("5","5","7","1","7","2","3","1") = "6"
    & skf21("5","5","7","1","7","2","4","1") = "6"
    & skf21("5","5","7","1","7","2","5","1") = "6"
    & skf21("5","5","7","1","7","2","6","1") = "6"
    & skf21("5","5","7","1","7","2","7","1") = "6"
    & skf21("5","5","7","1","7","3","1","1") = "6"
    & skf21("5","5","7","1","7","3","2","1") = "6"
    & skf21("5","5","7","1","7","3","3","1") = "6"
    & skf21("5","5","7","1","7","3","4","1") = "6"
    & skf21("5","5","7","1","7","3","5","1") = "6"
    & skf21("5","5","7","1","7","3","6","1") = "6"
    & skf21("5","5","7","1","7","3","7","1") = "6"
    & skf21("5","5","7","1","7","4","1","1") = "6"
    & skf21("5","5","7","1","7","4","2","1") = "6"
    & skf21("5","5","7","1","7","4","3","1") = "6"
    & skf21("5","5","7","1","7","4","4","1") = "6"
    & skf21("5","5","7","1","7","4","5","1") = "6"
    & skf21("5","5","7","1","7","4","6","1") = "6"
    & skf21("5","5","7","1","7","4","7","1") = "6"
    & skf21("5","5","7","1","7","5","1","1") = "6"
    & skf21("5","5","7","1","7","5","2","1") = "6"
    & skf21("5","5","7","1","7","5","3","1") = "6"
    & skf21("5","5","7","1","7","5","4","1") = "6"
    & skf21("5","5","7","1","7","5","5","1") = "6"
    & skf21("5","5","7","1","7","5","6","1") = "6"
    & skf21("5","5","7","1","7","5","7","1") = "6"
    & skf21("5","5","7","1","7","6","1","1") = "6"
    & skf21("5","5","7","1","7","6","2","1") = "6"
    & skf21("5","5","7","1","7","6","3","1") = "6"
    & skf21("5","5","7","1","7","6","4","1") = "6"
    & skf21("5","5","7","1","7","6","5","1") = "6"
    & skf21("5","5","7","1","7","6","6","1") = "6"
    & skf21("5","5","7","1","7","6","7","1") = "6"
    & skf21("5","5","7","1","7","7","1","1") = "6"
    & skf21("5","5","7","1","7","7","2","1") = "6"
    & skf21("5","5","7","1","7","7","3","1") = "6"
    & skf21("5","5","7","1","7","7","4","1") = "6"
    & skf21("5","5","7","1","7","7","5","1") = "6"
    & skf21("5","5","7","1","7","7","6","1") = "6"
    & skf21("5","5","7","1","7","7","7","1") = "6"
    & skf21("5","5","7","2","1","1","1","1") = "6"
    & skf21("5","5","7","2","1","1","2","1") = "6"
    & skf21("5","5","7","2","1","1","3","1") = "6"
    & skf21("5","5","7","2","1","1","4","1") = "6"
    & skf21("5","5","7","2","1","1","5","1") = "6"
    & skf21("5","5","7","2","1","1","6","1") = "6"
    & skf21("5","5","7","2","1","1","7","1") = "6"
    & skf21("5","5","7","2","1","2","1","1") = "6"
    & skf21("5","5","7","2","1","2","2","1") = "6"
    & skf21("5","5","7","2","1","2","3","1") = "6"
    & skf21("5","5","7","2","1","2","4","1") = "6"
    & skf21("5","5","7","2","1","2","5","1") = "6"
    & skf21("5","5","7","2","1","2","6","1") = "6"
    & skf21("5","5","7","2","1","2","7","1") = "6"
    & skf21("5","5","7","2","1","3","1","1") = "6"
    & skf21("5","5","7","2","1","3","2","1") = "6"
    & skf21("5","5","7","2","1","3","3","1") = "6"
    & skf21("5","5","7","2","1","3","4","1") = "6"
    & skf21("5","5","7","2","1","3","5","1") = "6"
    & skf21("5","5","7","2","1","3","6","1") = "6"
    & skf21("5","5","7","2","1","3","7","1") = "6"
    & skf21("5","5","7","2","1","4","1","1") = "6"
    & skf21("5","5","7","2","1","4","2","1") = "6"
    & skf21("5","5","7","2","1","4","3","1") = "6"
    & skf21("5","5","7","2","1","4","4","1") = "6"
    & skf21("5","5","7","2","1","4","5","1") = "6"
    & skf21("5","5","7","2","1","4","6","1") = "6"
    & skf21("5","5","7","2","1","4","7","1") = "6"
    & skf21("5","5","7","2","1","5","1","1") = "6"
    & skf21("5","5","7","2","1","5","2","1") = "6"
    & skf21("5","5","7","2","1","5","3","1") = "6"
    & skf21("5","5","7","2","1","5","4","1") = "6"
    & skf21("5","5","7","2","1","5","5","1") = "6"
    & skf21("5","5","7","2","1","5","6","1") = "6"
    & skf21("5","5","7","2","1","5","7","1") = "6"
    & skf21("5","5","7","2","1","6","1","1") = "6"
    & skf21("5","5","7","2","1","6","2","1") = "6"
    & skf21("5","5","7","2","1","6","3","1") = "6"
    & skf21("5","5","7","2","1","6","4","1") = "6"
    & skf21("5","5","7","2","1","6","5","1") = "6"
    & skf21("5","5","7","2","1","6","6","1") = "6"
    & skf21("5","5","7","2","1","6","7","1") = "6"
    & skf21("5","5","7","2","1","7","1","1") = "6"
    & skf21("5","5","7","2","1","7","2","1") = "6"
    & skf21("5","5","7","2","1","7","3","1") = "6"
    & skf21("5","5","7","2","1","7","4","1") = "6"
    & skf21("5","5","7","2","1","7","5","1") = "6"
    & skf21("5","5","7","2","1","7","6","1") = "6"
    & skf21("5","5","7","2","1","7","7","1") = "6"
    & skf21("5","5","7","2","2","1","1","1") = "6"
    & skf21("5","5","7","2","2","1","2","1") = "6"
    & skf21("5","5","7","2","2","1","3","1") = "6"
    & skf21("5","5","7","2","2","1","4","1") = "6"
    & skf21("5","5","7","2","2","1","5","1") = "6"
    & skf21("5","5","7","2","2","1","6","1") = "6"
    & skf21("5","5","7","2","2","1","7","1") = "6"
    & skf21("5","5","7","2","2","2","1","1") = "6"
    & skf21("5","5","7","2","2","2","2","1") = "6"
    & skf21("5","5","7","2","2","2","3","1") = "6"
    & skf21("5","5","7","2","2","2","4","1") = "6"
    & skf21("5","5","7","2","2","2","5","1") = "6"
    & skf21("5","5","7","2","2","2","6","1") = "6"
    & skf21("5","5","7","2","2","2","7","1") = "6"
    & skf21("5","5","7","2","2","3","1","1") = "6"
    & skf21("5","5","7","2","2","3","2","1") = "6"
    & skf21("5","5","7","2","2","3","3","1") = "6"
    & skf21("5","5","7","2","2","3","4","1") = "6"
    & skf21("5","5","7","2","2","3","5","1") = "6"
    & skf21("5","5","7","2","2","3","6","1") = "6"
    & skf21("5","5","7","2","2","3","7","1") = "6"
    & skf21("5","5","7","2","2","4","1","1") = "6"
    & skf21("5","5","7","2","2","4","2","1") = "6"
    & skf21("5","5","7","2","2","4","3","1") = "6"
    & skf21("5","5","7","2","2","4","4","1") = "6"
    & skf21("5","5","7","2","2","4","5","1") = "6"
    & skf21("5","5","7","2","2","4","6","1") = "6"
    & skf21("5","5","7","2","2","4","7","1") = "6"
    & skf21("5","5","7","2","2","5","1","1") = "6"
    & skf21("5","5","7","2","2","5","2","1") = "6"
    & skf21("5","5","7","2","2","5","3","1") = "6"
    & skf21("5","5","7","2","2","5","4","1") = "6"
    & skf21("5","5","7","2","2","5","5","1") = "6"
    & skf21("5","5","7","2","2","5","6","1") = "6"
    & skf21("5","5","7","2","2","5","7","1") = "6"
    & skf21("5","5","7","2","2","6","1","1") = "6"
    & skf21("5","5","7","2","2","6","2","1") = "6"
    & skf21("5","5","7","2","2","6","3","1") = "6"
    & skf21("5","5","7","2","2","6","4","1") = "6"
    & skf21("5","5","7","2","2","6","5","1") = "6"
    & skf21("5","5","7","2","2","6","6","1") = "6"
    & skf21("5","5","7","2","2","6","7","1") = "6"
    & skf21("5","5","7","2","2","7","1","1") = "6"
    & skf21("5","5","7","2","2","7","2","1") = "6"
    & skf21("5","5","7","2","2","7","3","1") = "6"
    & skf21("5","5","7","2","2","7","4","1") = "6"
    & skf21("5","5","7","2","2","7","5","1") = "6"
    & skf21("5","5","7","2","2","7","6","1") = "6"
    & skf21("5","5","7","2","2","7","7","1") = "6"
    & skf21("5","5","7","2","3","1","1","1") = "6"
    & skf21("5","5","7","2","3","1","2","1") = "6"
    & skf21("5","5","7","2","3","1","3","1") = "6"
    & skf21("5","5","7","2","3","1","4","1") = "6"
    & skf21("5","5","7","2","3","1","5","1") = "6"
    & skf21("5","5","7","2","3","1","6","1") = "6"
    & skf21("5","5","7","2","3","1","7","1") = "6"
    & skf21("5","5","7","2","3","2","1","1") = "6"
    & skf21("5","5","7","2","3","2","2","1") = "6"
    & skf21("5","5","7","2","3","2","3","1") = "6"
    & skf21("5","5","7","2","3","2","4","1") = "6"
    & skf21("5","5","7","2","3","2","5","1") = "6"
    & skf21("5","5","7","2","3","2","6","1") = "6"
    & skf21("5","5","7","2","3","2","7","1") = "6"
    & skf21("5","5","7","2","3","3","1","1") = "6"
    & skf21("5","5","7","2","3","3","2","1") = "6"
    & skf21("5","5","7","2","3","3","3","1") = "6"
    & skf21("5","5","7","2","3","3","4","1") = "6"
    & skf21("5","5","7","2","3","3","5","1") = "6"
    & skf21("5","5","7","2","3","3","6","1") = "6"
    & skf21("5","5","7","2","3","3","7","1") = "6"
    & skf21("5","5","7","2","3","4","1","1") = "6"
    & skf21("5","5","7","2","3","4","2","1") = "6"
    & skf21("5","5","7","2","3","4","3","1") = "6"
    & skf21("5","5","7","2","3","4","4","1") = "6"
    & skf21("5","5","7","2","3","4","5","1") = "6"
    & skf21("5","5","7","2","3","4","6","1") = "6"
    & skf21("5","5","7","2","3","4","7","1") = "6"
    & skf21("5","5","7","2","3","5","1","1") = "6"
    & skf21("5","5","7","2","3","5","2","1") = "6"
    & skf21("5","5","7","2","3","5","3","1") = "6"
    & skf21("5","5","7","2","3","5","4","1") = "6"
    & skf21("5","5","7","2","3","5","5","1") = "6"
    & skf21("5","5","7","2","3","5","6","1") = "6"
    & skf21("5","5","7","2","3","5","7","1") = "6"
    & skf21("5","5","7","2","3","6","1","1") = "6"
    & skf21("5","5","7","2","3","6","2","1") = "6"
    & skf21("5","5","7","2","3","6","3","1") = "6"
    & skf21("5","5","7","2","3","6","4","1") = "6"
    & skf21("5","5","7","2","3","6","5","1") = "6"
    & skf21("5","5","7","2","3","6","6","1") = "6"
    & skf21("5","5","7","2","3","6","7","1") = "6"
    & skf21("5","5","7","2","3","7","1","1") = "6"
    & skf21("5","5","7","2","3","7","2","1") = "6"
    & skf21("5","5","7","2","3","7","3","1") = "6"
    & skf21("5","5","7","2","3","7","4","1") = "6"
    & skf21("5","5","7","2","3","7","5","1") = "6"
    & skf21("5","5","7","2","3","7","6","1") = "6"
    & skf21("5","5","7","2","3","7","7","1") = "6"
    & skf21("5","5","7","2","4","1","1","1") = "6"
    & skf21("5","5","7","2","4","1","2","1") = "6"
    & skf21("5","5","7","2","4","1","3","1") = "6"
    & skf21("5","5","7","2","4","1","4","1") = "6"
    & skf21("5","5","7","2","4","1","5","1") = "6"
    & skf21("5","5","7","2","4","1","6","1") = "6"
    & skf21("5","5","7","2","4","1","7","1") = "6"
    & skf21("5","5","7","2","4","2","1","1") = "6"
    & skf21("5","5","7","2","4","2","2","1") = "6"
    & skf21("5","5","7","2","4","2","3","1") = "6"
    & skf21("5","5","7","2","4","2","4","1") = "6"
    & skf21("5","5","7","2","4","2","5","1") = "6"
    & skf21("5","5","7","2","4","2","6","1") = "6"
    & skf21("5","5","7","2","4","2","7","1") = "6"
    & skf21("5","5","7","2","4","3","1","1") = "6"
    & skf21("5","5","7","2","4","3","2","1") = "6"
    & skf21("5","5","7","2","4","3","3","1") = "6"
    & skf21("5","5","7","2","4","3","4","1") = "6"
    & skf21("5","5","7","2","4","3","5","1") = "6"
    & skf21("5","5","7","2","4","3","6","1") = "6"
    & skf21("5","5","7","2","4","3","7","1") = "6"
    & skf21("5","5","7","2","4","4","1","1") = "6"
    & skf21("5","5","7","2","4","4","2","1") = "6"
    & skf21("5","5","7","2","4","4","3","1") = "6"
    & skf21("5","5","7","2","4","4","4","1") = "6"
    & skf21("5","5","7","2","4","4","5","1") = "6"
    & skf21("5","5","7","2","4","4","6","1") = "6"
    & skf21("5","5","7","2","4","4","7","1") = "6"
    & skf21("5","5","7","2","4","5","1","1") = "6"
    & skf21("5","5","7","2","4","5","2","1") = "6"
    & skf21("5","5","7","2","4","5","3","1") = "6"
    & skf21("5","5","7","2","4","5","4","1") = "6"
    & skf21("5","5","7","2","4","5","5","1") = "6"
    & skf21("5","5","7","2","4","5","6","1") = "6"
    & skf21("5","5","7","2","4","5","7","1") = "6"
    & skf21("5","5","7","2","4","6","1","1") = "6"
    & skf21("5","5","7","2","4","6","2","1") = "6"
    & skf21("5","5","7","2","4","6","3","1") = "6"
    & skf21("5","5","7","2","4","6","4","1") = "6"
    & skf21("5","5","7","2","4","6","5","1") = "6"
    & skf21("5","5","7","2","4","6","6","1") = "6"
    & skf21("5","5","7","2","4","6","7","1") = "6"
    & skf21("5","5","7","2","4","7","1","1") = "6"
    & skf21("5","5","7","2","4","7","2","1") = "6"
    & skf21("5","5","7","2","4","7","3","1") = "6"
    & skf21("5","5","7","2","4","7","4","1") = "6"
    & skf21("5","5","7","2","4","7","5","1") = "6"
    & skf21("5","5","7","2","4","7","6","1") = "6"
    & skf21("5","5","7","2","4","7","7","1") = "6"
    & skf21("5","5","7","2","5","1","1","1") = "6"
    & skf21("5","5","7","2","5","1","2","1") = "6"
    & skf21("5","5","7","2","5","1","3","1") = "6"
    & skf21("5","5","7","2","5","1","4","1") = "6"
    & skf21("5","5","7","2","5","1","5","1") = "6"
    & skf21("5","5","7","2","5","1","6","1") = "6"
    & skf21("5","5","7","2","5","1","7","1") = "6"
    & skf21("5","5","7","2","5","2","1","1") = "6"
    & skf21("5","5","7","2","5","2","2","1") = "6"
    & skf21("5","5","7","2","5","2","3","1") = "6"
    & skf21("5","5","7","2","5","2","4","1") = "6"
    & skf21("5","5","7","2","5","2","5","1") = "6"
    & skf21("5","5","7","2","5","2","6","1") = "6"
    & skf21("5","5","7","2","5","2","7","1") = "6"
    & skf21("5","5","7","2","5","3","1","1") = "6"
    & skf21("5","5","7","2","5","3","2","1") = "6"
    & skf21("5","5","7","2","5","3","3","1") = "6"
    & skf21("5","5","7","2","5","3","4","1") = "6"
    & skf21("5","5","7","2","5","3","5","1") = "6"
    & skf21("5","5","7","2","5","3","6","1") = "6"
    & skf21("5","5","7","2","5","3","7","1") = "6"
    & skf21("5","5","7","2","5","4","1","1") = "6"
    & skf21("5","5","7","2","5","4","2","1") = "6"
    & skf21("5","5","7","2","5","4","3","1") = "6"
    & skf21("5","5","7","2","5","4","4","1") = "6"
    & skf21("5","5","7","2","5","4","5","1") = "6"
    & skf21("5","5","7","2","5","4","6","1") = "6"
    & skf21("5","5","7","2","5","4","7","1") = "6"
    & skf21("5","5","7","2","5","5","1","1") = "6"
    & skf21("5","5","7","2","5","5","2","1") = "6"
    & skf21("5","5","7","2","5","5","3","1") = "6"
    & skf21("5","5","7","2","5","5","4","1") = "6"
    & skf21("5","5","7","2","5","5","5","1") = "6"
    & skf21("5","5","7","2","5","5","6","1") = "6"
    & skf21("5","5","7","2","5","5","7","1") = "6"
    & skf21("5","5","7","2","5","6","1","1") = "6"
    & skf21("5","5","7","2","5","6","2","1") = "6"
    & skf21("5","5","7","2","5","6","3","1") = "6"
    & skf21("5","5","7","2","5","6","4","1") = "6"
    & skf21("5","5","7","2","5","6","5","1") = "6"
    & skf21("5","5","7","2","5","6","6","1") = "6"
    & skf21("5","5","7","2","5","6","7","1") = "6"
    & skf21("5","5","7","2","5","7","1","1") = "6"
    & skf21("5","5","7","2","5","7","2","1") = "6"
    & skf21("5","5","7","2","5","7","3","1") = "6"
    & skf21("5","5","7","2","5","7","4","1") = "6"
    & skf21("5","5","7","2","5","7","5","1") = "6"
    & skf21("5","5","7","2","5","7","6","1") = "6"
    & skf21("5","5","7","2","5","7","7","1") = "6"
    & skf21("5","5","7","2","6","1","1","1") = "6"
    & skf21("5","5","7","2","6","1","2","1") = "6"
    & skf21("5","5","7","2","6","1","3","1") = "6"
    & skf21("5","5","7","2","6","1","4","1") = "6"
    & skf21("5","5","7","2","6","1","5","1") = "6"
    & skf21("5","5","7","2","6","1","6","1") = "6"
    & skf21("5","5","7","2","6","1","7","1") = "6"
    & skf21("5","5","7","2","6","2","1","1") = "6"
    & skf21("5","5","7","2","6","2","2","1") = "6"
    & skf21("5","5","7","2","6","2","3","1") = "6"
    & skf21("5","5","7","2","6","2","4","1") = "6"
    & skf21("5","5","7","2","6","2","5","1") = "6"
    & skf21("5","5","7","2","6","2","6","1") = "6"
    & skf21("5","5","7","2","6","2","7","1") = "6"
    & skf21("5","5","7","2","6","3","1","1") = "6"
    & skf21("5","5","7","2","6","3","2","1") = "6"
    & skf21("5","5","7","2","6","3","3","1") = "6"
    & skf21("5","5","7","2","6","3","4","1") = "6"
    & skf21("5","5","7","2","6","3","5","1") = "6"
    & skf21("5","5","7","2","6","3","6","1") = "6"
    & skf21("5","5","7","2","6","3","7","1") = "6"
    & skf21("5","5","7","2","6","4","1","1") = "6"
    & skf21("5","5","7","2","6","4","2","1") = "6"
    & skf21("5","5","7","2","6","4","3","1") = "6"
    & skf21("5","5","7","2","6","4","4","1") = "6"
    & skf21("5","5","7","2","6","4","5","1") = "6"
    & skf21("5","5","7","2","6","4","6","1") = "6"
    & skf21("5","5","7","2","6","4","7","1") = "6"
    & skf21("5","5","7","2","6","5","1","1") = "6"
    & skf21("5","5","7","2","6","5","2","1") = "6"
    & skf21("5","5","7","2","6","5","3","1") = "6"
    & skf21("5","5","7","2","6","5","4","1") = "6"
    & skf21("5","5","7","2","6","5","5","1") = "6"
    & skf21("5","5","7","2","6","5","6","1") = "6"
    & skf21("5","5","7","2","6","5","7","1") = "6"
    & skf21("5","5","7","2","6","6","1","1") = "6"
    & skf21("5","5","7","2","6","6","2","1") = "6"
    & skf21("5","5","7","2","6","6","3","1") = "6"
    & skf21("5","5","7","2","6","6","4","1") = "6"
    & skf21("5","5","7","2","6","6","5","1") = "6"
    & skf21("5","5","7","2","6","6","6","1") = "6"
    & skf21("5","5","7","2","6","6","7","1") = "6"
    & skf21("5","5","7","2","6","7","1","1") = "6"
    & skf21("5","5","7","2","6","7","2","1") = "6"
    & skf21("5","5","7","2","6","7","3","1") = "6"
    & skf21("5","5","7","2","6","7","4","1") = "6"
    & skf21("5","5","7","2","6","7","5","1") = "6"
    & skf21("5","5","7","2","6","7","6","1") = "6"
    & skf21("5","5","7","2","6","7","7","1") = "6"
    & skf21("5","5","7","2","7","1","1","1") = "6"
    & skf21("5","5","7","2","7","1","2","1") = "6"
    & skf21("5","5","7","2","7","1","3","1") = "6"
    & skf21("5","5","7","2","7","1","4","1") = "6"
    & skf21("5","5","7","2","7","1","5","1") = "6"
    & skf21("5","5","7","2","7","1","6","1") = "6"
    & skf21("5","5","7","2","7","1","7","1") = "6"
    & skf21("5","5","7","2","7","2","1","1") = "6"
    & skf21("5","5","7","2","7","2","2","1") = "6"
    & skf21("5","5","7","2","7","2","3","1") = "6"
    & skf21("5","5","7","2","7","2","4","1") = "6"
    & skf21("5","5","7","2","7","2","5","1") = "6"
    & skf21("5","5","7","2","7","2","6","1") = "6"
    & skf21("5","5","7","2","7","2","7","1") = "6"
    & skf21("5","5","7","2","7","3","1","1") = "6"
    & skf21("5","5","7","2","7","3","2","1") = "6"
    & skf21("5","5","7","2","7","3","3","1") = "6"
    & skf21("5","5","7","2","7","3","4","1") = "6"
    & skf21("5","5","7","2","7","3","5","1") = "6"
    & skf21("5","5","7","2","7","3","6","1") = "6"
    & skf21("5","5","7","2","7","3","7","1") = "6"
    & skf21("5","5","7","2","7","4","1","1") = "6"
    & skf21("5","5","7","2","7","4","2","1") = "6"
    & skf21("5","5","7","2","7","4","3","1") = "6"
    & skf21("5","5","7","2","7","4","4","1") = "6"
    & skf21("5","5","7","2","7","4","5","1") = "6"
    & skf21("5","5","7","2","7","4","6","1") = "6"
    & skf21("5","5","7","2","7","4","7","1") = "6"
    & skf21("5","5","7","2","7","5","1","1") = "6"
    & skf21("5","5","7","2","7","5","2","1") = "6"
    & skf21("5","5","7","2","7","5","3","1") = "6"
    & skf21("5","5","7","2","7","5","4","1") = "6"
    & skf21("5","5","7","2","7","5","5","1") = "6"
    & skf21("5","5","7","2","7","5","6","1") = "6"
    & skf21("5","5","7","2","7","5","7","1") = "6"
    & skf21("5","5","7","2","7","6","1","1") = "6"
    & skf21("5","5","7","2","7","6","2","1") = "6"
    & skf21("5","5","7","2","7","6","3","1") = "6"
    & skf21("5","5","7","2","7","6","4","1") = "6"
    & skf21("5","5","7","2","7","6","5","1") = "6"
    & skf21("5","5","7","2","7","6","6","1") = "6"
    & skf21("5","5","7","2","7","6","7","1") = "6"
    & skf21("5","5","7","2","7","7","1","1") = "6"
    & skf21("5","5","7","2","7","7","2","1") = "6"
    & skf21("5","5","7","2","7","7","3","1") = "6"
    & skf21("5","5","7","2","7","7","4","1") = "6"
    & skf21("5","5","7","2","7","7","5","1") = "6"
    & skf21("5","5","7","2","7","7","6","1") = "6"
    & skf21("5","5","7","2","7","7","7","1") = "6"
    & skf21("5","5","7","3","1","1","1","1") = "6"
    & skf21("5","5","7","3","1","1","2","1") = "6"
    & skf21("5","5","7","3","1","1","3","1") = "6"
    & skf21("5","5","7","3","1","1","4","1") = "6"
    & skf21("5","5","7","3","1","1","5","1") = "6"
    & skf21("5","5","7","3","1","1","6","1") = "6"
    & skf21("5","5","7","3","1","1","7","1") = "6"
    & skf21("5","5","7","3","1","2","1","1") = "6"
    & skf21("5","5","7","3","1","2","2","1") = "6"
    & skf21("5","5","7","3","1","2","3","1") = "6"
    & skf21("5","5","7","3","1","2","4","1") = "6"
    & skf21("5","5","7","3","1","2","5","1") = "6"
    & skf21("5","5","7","3","1","2","6","1") = "6"
    & skf21("5","5","7","3","1","2","7","1") = "6"
    & skf21("5","5","7","3","1","3","1","1") = "6"
    & skf21("5","5","7","3","1","3","2","1") = "6"
    & skf21("5","5","7","3","1","3","3","1") = "6"
    & skf21("5","5","7","3","1","3","4","1") = "6"
    & skf21("5","5","7","3","1","3","5","1") = "6"
    & skf21("5","5","7","3","1","3","6","1") = "6"
    & skf21("5","5","7","3","1","3","7","1") = "6"
    & skf21("5","5","7","3","1","4","1","1") = "6"
    & skf21("5","5","7","3","1","4","2","1") = "6"
    & skf21("5","5","7","3","1","4","3","1") = "6"
    & skf21("5","5","7","3","1","4","4","1") = "6"
    & skf21("5","5","7","3","1","4","5","1") = "6"
    & skf21("5","5","7","3","1","4","6","1") = "6"
    & skf21("5","5","7","3","1","4","7","1") = "6"
    & skf21("5","5","7","3","1","5","1","1") = "6"
    & skf21("5","5","7","3","1","5","2","1") = "6"
    & skf21("5","5","7","3","1","5","3","1") = "6"
    & skf21("5","5","7","3","1","5","4","1") = "6"
    & skf21("5","5","7","3","1","5","5","1") = "6"
    & skf21("5","5","7","3","1","5","6","1") = "6"
    & skf21("5","5","7","3","1","5","7","1") = "6"
    & skf21("5","5","7","3","1","6","1","1") = "6"
    & skf21("5","5","7","3","1","6","2","1") = "6"
    & skf21("5","5","7","3","1","6","3","1") = "6"
    & skf21("5","5","7","3","1","6","4","1") = "6"
    & skf21("5","5","7","3","1","6","5","1") = "6"
    & skf21("5","5","7","3","1","6","6","1") = "6"
    & skf21("5","5","7","3","1","6","7","1") = "6"
    & skf21("5","5","7","3","1","7","1","1") = "6"
    & skf21("5","5","7","3","1","7","2","1") = "6"
    & skf21("5","5","7","3","1","7","3","1") = "6"
    & skf21("5","5","7","3","1","7","4","1") = "6"
    & skf21("5","5","7","3","1","7","5","1") = "6"
    & skf21("5","5","7","3","1","7","6","1") = "6"
    & skf21("5","5","7","3","1","7","7","1") = "6"
    & skf21("5","5","7","3","2","1","1","1") = "6"
    & skf21("5","5","7","3","2","1","2","1") = "6"
    & skf21("5","5","7","3","2","1","3","1") = "6"
    & skf21("5","5","7","3","2","1","4","1") = "6"
    & skf21("5","5","7","3","2","1","5","1") = "6"
    & skf21("5","5","7","3","2","1","6","1") = "6"
    & skf21("5","5","7","3","2","1","7","1") = "6"
    & skf21("5","5","7","3","2","2","1","1") = "6"
    & skf21("5","5","7","3","2","2","2","1") = "6"
    & skf21("5","5","7","3","2","2","3","1") = "6"
    & skf21("5","5","7","3","2","2","4","1") = "6"
    & skf21("5","5","7","3","2","2","5","1") = "6"
    & skf21("5","5","7","3","2","2","6","1") = "6"
    & skf21("5","5","7","3","2","2","7","1") = "6"
    & skf21("5","5","7","3","2","3","1","1") = "6"
    & skf21("5","5","7","3","2","3","2","1") = "6"
    & skf21("5","5","7","3","2","3","3","1") = "6"
    & skf21("5","5","7","3","2","3","4","1") = "6"
    & skf21("5","5","7","3","2","3","5","1") = "6"
    & skf21("5","5","7","3","2","3","6","1") = "6"
    & skf21("5","5","7","3","2","3","7","1") = "6"
    & skf21("5","5","7","3","2","4","1","1") = "6"
    & skf21("5","5","7","3","2","4","2","1") = "6"
    & skf21("5","5","7","3","2","4","3","1") = "6"
    & skf21("5","5","7","3","2","4","4","1") = "6"
    & skf21("5","5","7","3","2","4","5","1") = "6"
    & skf21("5","5","7","3","2","4","6","1") = "6"
    & skf21("5","5","7","3","2","4","7","1") = "6"
    & skf21("5","5","7","3","2","5","1","1") = "6"
    & skf21("5","5","7","3","2","5","2","1") = "6"
    & skf21("5","5","7","3","2","5","3","1") = "6"
    & skf21("5","5","7","3","2","5","4","1") = "6"
    & skf21("5","5","7","3","2","5","5","1") = "6"
    & skf21("5","5","7","3","2","5","6","1") = "6"
    & skf21("5","5","7","3","2","5","7","1") = "6"
    & skf21("5","5","7","3","2","6","1","1") = "6"
    & skf21("5","5","7","3","2","6","2","1") = "6"
    & skf21("5","5","7","3","2","6","3","1") = "6"
    & skf21("5","5","7","3","2","6","4","1") = "6"
    & skf21("5","5","7","3","2","6","5","1") = "6"
    & skf21("5","5","7","3","2","6","6","1") = "6"
    & skf21("5","5","7","3","2","6","7","1") = "6"
    & skf21("5","5","7","3","2","7","1","1") = "6"
    & skf21("5","5","7","3","2","7","2","1") = "6"
    & skf21("5","5","7","3","2","7","3","1") = "6"
    & skf21("5","5","7","3","2","7","4","1") = "6"
    & skf21("5","5","7","3","2","7","5","1") = "6"
    & skf21("5","5","7","3","2","7","6","1") = "6"
    & skf21("5","5","7","3","2","7","7","1") = "6"
    & skf21("5","5","7","3","3","1","1","1") = "6"
    & skf21("5","5","7","3","3","1","2","1") = "6"
    & skf21("5","5","7","3","3","1","3","1") = "6"
    & skf21("5","5","7","3","3","1","4","1") = "6"
    & skf21("5","5","7","3","3","1","5","1") = "6"
    & skf21("5","5","7","3","3","1","6","1") = "6"
    & skf21("5","5","7","3","3","1","7","1") = "6"
    & skf21("5","5","7","3","3","2","1","1") = "6"
    & skf21("5","5","7","3","3","2","2","1") = "6"
    & skf21("5","5","7","3","3","2","3","1") = "6"
    & skf21("5","5","7","3","3","2","4","1") = "6"
    & skf21("5","5","7","3","3","2","5","1") = "6"
    & skf21("5","5","7","3","3","2","6","1") = "6"
    & skf21("5","5","7","3","3","2","7","1") = "6"
    & skf21("5","5","7","3","3","3","1","1") = "6"
    & skf21("5","5","7","3","3","3","2","1") = "6"
    & skf21("5","5","7","3","3","3","3","1") = "6"
    & skf21("5","5","7","3","3","3","4","1") = "6"
    & skf21("5","5","7","3","3","3","5","1") = "6"
    & skf21("5","5","7","3","3","3","6","1") = "6"
    & skf21("5","5","7","3","3","3","7","1") = "6"
    & skf21("5","5","7","3","3","4","1","1") = "6"
    & skf21("5","5","7","3","3","4","2","1") = "6"
    & skf21("5","5","7","3","3","4","3","1") = "6"
    & skf21("5","5","7","3","3","4","4","1") = "6"
    & skf21("5","5","7","3","3","4","5","1") = "6"
    & skf21("5","5","7","3","3","4","6","1") = "6"
    & skf21("5","5","7","3","3","4","7","1") = "6"
    & skf21("5","5","7","3","3","5","1","1") = "6"
    & skf21("5","5","7","3","3","5","2","1") = "6"
    & skf21("5","5","7","3","3","5","3","1") = "6"
    & skf21("5","5","7","3","3","5","4","1") = "6"
    & skf21("5","5","7","3","3","5","5","1") = "6"
    & skf21("5","5","7","3","3","5","6","1") = "6"
    & skf21("5","5","7","3","3","5","7","1") = "6"
    & skf21("5","5","7","3","3","6","1","1") = "6"
    & skf21("5","5","7","3","3","6","2","1") = "6"
    & skf21("5","5","7","3","3","6","3","1") = "6"
    & skf21("5","5","7","3","3","6","4","1") = "6"
    & skf21("5","5","7","3","3","6","5","1") = "6"
    & skf21("5","5","7","3","3","6","6","1") = "6"
    & skf21("5","5","7","3","3","6","7","1") = "6"
    & skf21("5","5","7","3","3","7","1","1") = "6"
    & skf21("5","5","7","3","3","7","2","1") = "6"
    & skf21("5","5","7","3","3","7","3","1") = "6"
    & skf21("5","5","7","3","3","7","4","1") = "6"
    & skf21("5","5","7","3","3","7","5","1") = "6"
    & skf21("5","5","7","3","3","7","6","1") = "6"
    & skf21("5","5","7","3","3","7","7","1") = "6"
    & skf21("5","5","7","3","4","1","1","1") = "6"
    & skf21("5","5","7","3","4","1","2","1") = "6"
    & skf21("5","5","7","3","4","1","3","1") = "6"
    & skf21("5","5","7","3","4","1","4","1") = "6"
    & skf21("5","5","7","3","4","1","5","1") = "6"
    & skf21("5","5","7","3","4","1","6","1") = "6"
    & skf21("5","5","7","3","4","1","7","1") = "6"
    & skf21("5","5","7","3","4","2","1","1") = "6"
    & skf21("5","5","7","3","4","2","2","1") = "6"
    & skf21("5","5","7","3","4","2","3","1") = "6"
    & skf21("5","5","7","3","4","2","4","1") = "6"
    & skf21("5","5","7","3","4","2","5","1") = "6"
    & skf21("5","5","7","3","4","2","6","1") = "6"
    & skf21("5","5","7","3","4","2","7","1") = "6"
    & skf21("5","5","7","3","4","3","1","1") = "6"
    & skf21("5","5","7","3","4","3","2","1") = "6"
    & skf21("5","5","7","3","4","3","3","1") = "6"
    & skf21("5","5","7","3","4","3","4","1") = "6"
    & skf21("5","5","7","3","4","3","5","1") = "6"
    & skf21("5","5","7","3","4","3","6","1") = "6"
    & skf21("5","5","7","3","4","3","7","1") = "6"
    & skf21("5","5","7","3","4","4","1","1") = "6"
    & skf21("5","5","7","3","4","4","2","1") = "6"
    & skf21("5","5","7","3","4","4","3","1") = "6"
    & skf21("5","5","7","3","4","4","4","1") = "6"
    & skf21("5","5","7","3","4","4","5","1") = "6"
    & skf21("5","5","7","3","4","4","6","1") = "6"
    & skf21("5","5","7","3","4","4","7","1") = "6"
    & skf21("5","5","7","3","4","5","1","1") = "6"
    & skf21("5","5","7","3","4","5","2","1") = "6"
    & skf21("5","5","7","3","4","5","3","1") = "6"
    & skf21("5","5","7","3","4","5","4","1") = "6"
    & skf21("5","5","7","3","4","5","5","1") = "6"
    & skf21("5","5","7","3","4","5","6","1") = "6"
    & skf21("5","5","7","3","4","5","7","1") = "6"
    & skf21("5","5","7","3","4","6","1","1") = "6"
    & skf21("5","5","7","3","4","6","2","1") = "6"
    & skf21("5","5","7","3","4","6","3","1") = "6"
    & skf21("5","5","7","3","4","6","4","1") = "6"
    & skf21("5","5","7","3","4","6","5","1") = "6"
    & skf21("5","5","7","3","4","6","6","1") = "6"
    & skf21("5","5","7","3","4","6","7","1") = "6"
    & skf21("5","5","7","3","4","7","1","1") = "6"
    & skf21("5","5","7","3","4","7","2","1") = "6"
    & skf21("5","5","7","3","4","7","3","1") = "6"
    & skf21("5","5","7","3","4","7","4","1") = "6"
    & skf21("5","5","7","3","4","7","5","1") = "6"
    & skf21("5","5","7","3","4","7","6","1") = "6"
    & skf21("5","5","7","3","4","7","7","1") = "6"
    & skf21("5","5","7","3","5","1","1","1") = "6"
    & skf21("5","5","7","3","5","1","2","1") = "6"
    & skf21("5","5","7","3","5","1","3","1") = "6"
    & skf21("5","5","7","3","5","1","4","1") = "6"
    & skf21("5","5","7","3","5","1","5","1") = "6"
    & skf21("5","5","7","3","5","1","6","1") = "6"
    & skf21("5","5","7","3","5","1","7","1") = "6"
    & skf21("5","5","7","3","5","2","1","1") = "6"
    & skf21("5","5","7","3","5","2","2","1") = "6"
    & skf21("5","5","7","3","5","2","3","1") = "6"
    & skf21("5","5","7","3","5","2","4","1") = "6"
    & skf21("5","5","7","3","5","2","5","1") = "6"
    & skf21("5","5","7","3","5","2","6","1") = "6"
    & skf21("5","5","7","3","5","2","7","1") = "6"
    & skf21("5","5","7","3","5","3","1","1") = "6"
    & skf21("5","5","7","3","5","3","2","1") = "6"
    & skf21("5","5","7","3","5","3","3","1") = "6"
    & skf21("5","5","7","3","5","3","4","1") = "6"
    & skf21("5","5","7","3","5","3","5","1") = "6"
    & skf21("5","5","7","3","5","3","6","1") = "6"
    & skf21("5","5","7","3","5","3","7","1") = "6"
    & skf21("5","5","7","3","5","4","1","1") = "6"
    & skf21("5","5","7","3","5","4","2","1") = "6"
    & skf21("5","5","7","3","5","4","3","1") = "6"
    & skf21("5","5","7","3","5","4","4","1") = "6"
    & skf21("5","5","7","3","5","4","5","1") = "6"
    & skf21("5","5","7","3","5","4","6","1") = "6"
    & skf21("5","5","7","3","5","4","7","1") = "6"
    & skf21("5","5","7","3","5","5","1","1") = "6"
    & skf21("5","5","7","3","5","5","2","1") = "6"
    & skf21("5","5","7","3","5","5","3","1") = "6"
    & skf21("5","5","7","3","5","5","4","1") = "6"
    & skf21("5","5","7","3","5","5","5","1") = "6"
    & skf21("5","5","7","3","5","5","6","1") = "6"
    & skf21("5","5","7","3","5","5","7","1") = "6"
    & skf21("5","5","7","3","5","6","1","1") = "6"
    & skf21("5","5","7","3","5","6","2","1") = "6"
    & skf21("5","5","7","3","5","6","3","1") = "6"
    & skf21("5","5","7","3","5","6","4","1") = "6"
    & skf21("5","5","7","3","5","6","5","1") = "6"
    & skf21("5","5","7","3","5","6","6","1") = "6"
    & skf21("5","5","7","3","5","6","7","1") = "6"
    & skf21("5","5","7","3","5","7","1","1") = "6"
    & skf21("5","5","7","3","5","7","2","1") = "6"
    & skf21("5","5","7","3","5","7","3","1") = "6"
    & skf21("5","5","7","3","5","7","4","1") = "6"
    & skf21("5","5","7","3","5","7","5","1") = "6"
    & skf21("5","5","7","3","5","7","6","1") = "6"
    & skf21("5","5","7","3","5","7","7","1") = "6"
    & skf21("5","5","7","3","6","1","1","1") = "6"
    & skf21("5","5","7","3","6","1","2","1") = "6"
    & skf21("5","5","7","3","6","1","3","1") = "6"
    & skf21("5","5","7","3","6","1","4","1") = "6"
    & skf21("5","5","7","3","6","1","5","1") = "6"
    & skf21("5","5","7","3","6","1","6","1") = "6"
    & skf21("5","5","7","3","6","1","7","1") = "6"
    & skf21("5","5","7","3","6","2","1","1") = "6"
    & skf21("5","5","7","3","6","2","2","1") = "6"
    & skf21("5","5","7","3","6","2","3","1") = "6"
    & skf21("5","5","7","3","6","2","4","1") = "6"
    & skf21("5","5","7","3","6","2","5","1") = "6"
    & skf21("5","5","7","3","6","2","6","1") = "6"
    & skf21("5","5","7","3","6","2","7","1") = "6"
    & skf21("5","5","7","3","6","3","1","1") = "6"
    & skf21("5","5","7","3","6","3","2","1") = "6"
    & skf21("5","5","7","3","6","3","3","1") = "6"
    & skf21("5","5","7","3","6","3","4","1") = "6"
    & skf21("5","5","7","3","6","3","5","1") = "6"
    & skf21("5","5","7","3","6","3","6","1") = "6"
    & skf21("5","5","7","3","6","3","7","1") = "6"
    & skf21("5","5","7","3","6","4","1","1") = "6"
    & skf21("5","5","7","3","6","4","2","1") = "6"
    & skf21("5","5","7","3","6","4","3","1") = "6"
    & skf21("5","5","7","3","6","4","4","1") = "6"
    & skf21("5","5","7","3","6","4","5","1") = "6"
    & skf21("5","5","7","3","6","4","6","1") = "6"
    & skf21("5","5","7","3","6","4","7","1") = "6"
    & skf21("5","5","7","3","6","5","1","1") = "6"
    & skf21("5","5","7","3","6","5","2","1") = "6"
    & skf21("5","5","7","3","6","5","3","1") = "6"
    & skf21("5","5","7","3","6","5","4","1") = "6"
    & skf21("5","5","7","3","6","5","5","1") = "6"
    & skf21("5","5","7","3","6","5","6","1") = "6"
    & skf21("5","5","7","3","6","5","7","1") = "6"
    & skf21("5","5","7","3","6","6","1","1") = "6"
    & skf21("5","5","7","3","6","6","2","1") = "6"
    & skf21("5","5","7","3","6","6","3","1") = "6"
    & skf21("5","5","7","3","6","6","4","1") = "6"
    & skf21("5","5","7","3","6","6","5","1") = "6"
    & skf21("5","5","7","3","6","6","6","1") = "6"
    & skf21("5","5","7","3","6","6","7","1") = "6"
    & skf21("5","5","7","3","6","7","1","1") = "6"
    & skf21("5","5","7","3","6","7","2","1") = "6"
    & skf21("5","5","7","3","6","7","3","1") = "6"
    & skf21("5","5","7","3","6","7","4","1") = "6"
    & skf21("5","5","7","3","6","7","5","1") = "6"
    & skf21("5","5","7","3","6","7","6","1") = "6"
    & skf21("5","5","7","3","6","7","7","1") = "6"
    & skf21("5","5","7","3","7","1","1","1") = "6"
    & skf21("5","5","7","3","7","1","2","1") = "6"
    & skf21("5","5","7","3","7","1","3","1") = "6"
    & skf21("5","5","7","3","7","1","4","1") = "6"
    & skf21("5","5","7","3","7","1","5","1") = "6"
    & skf21("5","5","7","3","7","1","6","1") = "6"
    & skf21("5","5","7","3","7","1","7","1") = "6"
    & skf21("5","5","7","3","7","2","1","1") = "6"
    & skf21("5","5","7","3","7","2","2","1") = "6"
    & skf21("5","5","7","3","7","2","3","1") = "6"
    & skf21("5","5","7","3","7","2","4","1") = "6"
    & skf21("5","5","7","3","7","2","5","1") = "6"
    & skf21("5","5","7","3","7","2","6","1") = "6"
    & skf21("5","5","7","3","7","2","7","1") = "6"
    & skf21("5","5","7","3","7","3","1","1") = "6"
    & skf21("5","5","7","3","7","3","2","1") = "6"
    & skf21("5","5","7","3","7","3","3","1") = "6"
    & skf21("5","5","7","3","7","3","4","1") = "6"
    & skf21("5","5","7","3","7","3","5","1") = "6"
    & skf21("5","5","7","3","7","3","6","1") = "6"
    & skf21("5","5","7","3","7","3","7","1") = "6"
    & skf21("5","5","7","3","7","4","1","1") = "6"
    & skf21("5","5","7","3","7","4","2","1") = "6"
    & skf21("5","5","7","3","7","4","3","1") = "6"
    & skf21("5","5","7","3","7","4","4","1") = "6"
    & skf21("5","5","7","3","7","4","5","1") = "6"
    & skf21("5","5","7","3","7","4","6","1") = "6"
    & skf21("5","5","7","3","7","4","7","1") = "6"
    & skf21("5","5","7","3","7","5","1","1") = "6"
    & skf21("5","5","7","3","7","5","2","1") = "6"
    & skf21("5","5","7","3","7","5","3","1") = "6"
    & skf21("5","5","7","3","7","5","4","1") = "6"
    & skf21("5","5","7","3","7","5","5","1") = "6"
    & skf21("5","5","7","3","7","5","6","1") = "6"
    & skf21("5","5","7","3","7","5","7","1") = "6"
    & skf21("5","5","7","3","7","6","1","1") = "6"
    & skf21("5","5","7","3","7","6","2","1") = "6"
    & skf21("5","5","7","3","7","6","3","1") = "6"
    & skf21("5","5","7","3","7","6","4","1") = "6"
    & skf21("5","5","7","3","7","6","5","1") = "6"
    & skf21("5","5","7","3","7","6","6","1") = "6"
    & skf21("5","5","7","3","7","6","7","1") = "6"
    & skf21("5","5","7","3","7","7","1","1") = "6"
    & skf21("5","5","7","3","7","7","2","1") = "6"
    & skf21("5","5","7","3","7","7","3","1") = "6"
    & skf21("5","5","7","3","7","7","4","1") = "6"
    & skf21("5","5","7","3","7","7","5","1") = "6"
    & skf21("5","5","7","3","7","7","6","1") = "6"
    & skf21("5","5","7","3","7","7","7","1") = "6"
    & skf21("5","5","7","4","1","1","1","1") = "6"
    & skf21("5","5","7","4","1","1","2","1") = "6"
    & skf21("5","5","7","4","1","1","3","1") = "6"
    & skf21("5","5","7","4","1","1","4","1") = "6"
    & skf21("5","5","7","4","1","1","5","1") = "6"
    & skf21("5","5","7","4","1","1","6","1") = "6"
    & skf21("5","5","7","4","1","1","7","1") = "6"
    & skf21("5","5","7","4","1","2","1","1") = "6"
    & skf21("5","5","7","4","1","2","2","1") = "6"
    & skf21("5","5","7","4","1","2","3","1") = "6"
    & skf21("5","5","7","4","1","2","4","1") = "6"
    & skf21("5","5","7","4","1","2","5","1") = "6"
    & skf21("5","5","7","4","1","2","6","1") = "6"
    & skf21("5","5","7","4","1","2","7","1") = "6"
    & skf21("5","5","7","4","1","3","1","1") = "6"
    & skf21("5","5","7","4","1","3","2","1") = "6"
    & skf21("5","5","7","4","1","3","3","1") = "6"
    & skf21("5","5","7","4","1","3","4","1") = "6"
    & skf21("5","5","7","4","1","3","5","1") = "6"
    & skf21("5","5","7","4","1","3","6","1") = "6"
    & skf21("5","5","7","4","1","3","7","1") = "6"
    & skf21("5","5","7","4","1","4","1","1") = "6"
    & skf21("5","5","7","4","1","4","2","1") = "6"
    & skf21("5","5","7","4","1","4","3","1") = "6"
    & skf21("5","5","7","4","1","4","4","1") = "6"
    & skf21("5","5","7","4","1","4","5","1") = "6"
    & skf21("5","5","7","4","1","4","6","1") = "6"
    & skf21("5","5","7","4","1","4","7","1") = "6"
    & skf21("5","5","7","4","1","5","1","1") = "6"
    & skf21("5","5","7","4","1","5","2","1") = "6"
    & skf21("5","5","7","4","1","5","3","1") = "6"
    & skf21("5","5","7","4","1","5","4","1") = "6"
    & skf21("5","5","7","4","1","5","5","1") = "6"
    & skf21("5","5","7","4","1","5","6","1") = "6"
    & skf21("5","5","7","4","1","5","7","1") = "6"
    & skf21("5","5","7","4","1","6","1","1") = "6"
    & skf21("5","5","7","4","1","6","2","1") = "6"
    & skf21("5","5","7","4","1","6","3","1") = "6"
    & skf21("5","5","7","4","1","6","4","1") = "6"
    & skf21("5","5","7","4","1","6","5","1") = "6"
    & skf21("5","5","7","4","1","6","6","1") = "6"
    & skf21("5","5","7","4","1","6","7","1") = "6"
    & skf21("5","5","7","4","1","7","1","1") = "6"
    & skf21("5","5","7","4","1","7","2","1") = "6"
    & skf21("5","5","7","4","1","7","3","1") = "6"
    & skf21("5","5","7","4","1","7","4","1") = "6"
    & skf21("5","5","7","4","1","7","5","1") = "6"
    & skf21("5","5","7","4","1","7","6","1") = "6"
    & skf21("5","5","7","4","1","7","7","1") = "6"
    & skf21("5","5","7","4","2","1","1","1") = "6"
    & skf21("5","5","7","4","2","1","2","1") = "6"
    & skf21("5","5","7","4","2","1","3","1") = "6"
    & skf21("5","5","7","4","2","1","4","1") = "6"
    & skf21("5","5","7","4","2","1","5","1") = "6"
    & skf21("5","5","7","4","2","1","6","1") = "6"
    & skf21("5","5","7","4","2","1","7","1") = "6"
    & skf21("5","5","7","4","2","2","1","1") = "6"
    & skf21("5","5","7","4","2","2","2","1") = "6"
    & skf21("5","5","7","4","2","2","3","1") = "6"
    & skf21("5","5","7","4","2","2","4","1") = "6"
    & skf21("5","5","7","4","2","2","5","1") = "6"
    & skf21("5","5","7","4","2","2","6","1") = "6"
    & skf21("5","5","7","4","2","2","7","1") = "6"
    & skf21("5","5","7","4","2","3","1","1") = "6"
    & skf21("5","5","7","4","2","3","2","1") = "6"
    & skf21("5","5","7","4","2","3","3","1") = "6"
    & skf21("5","5","7","4","2","3","4","1") = "6"
    & skf21("5","5","7","4","2","3","5","1") = "6"
    & skf21("5","5","7","4","2","3","6","1") = "6"
    & skf21("5","5","7","4","2","3","7","1") = "6"
    & skf21("5","5","7","4","2","4","1","1") = "6"
    & skf21("5","5","7","4","2","4","2","1") = "6"
    & skf21("5","5","7","4","2","4","3","1") = "6"
    & skf21("5","5","7","4","2","4","4","1") = "6"
    & skf21("5","5","7","4","2","4","5","1") = "6"
    & skf21("5","5","7","4","2","4","6","1") = "6"
    & skf21("5","5","7","4","2","4","7","1") = "6"
    & skf21("5","5","7","4","2","5","1","1") = "6"
    & skf21("5","5","7","4","2","5","2","1") = "6"
    & skf21("5","5","7","4","2","5","3","1") = "6"
    & skf21("5","5","7","4","2","5","4","1") = "6"
    & skf21("5","5","7","4","2","5","5","1") = "6"
    & skf21("5","5","7","4","2","5","6","1") = "6"
    & skf21("5","5","7","4","2","5","7","1") = "6"
    & skf21("5","5","7","4","2","6","1","1") = "6"
    & skf21("5","5","7","4","2","6","2","1") = "6"
    & skf21("5","5","7","4","2","6","3","1") = "6"
    & skf21("5","5","7","4","2","6","4","1") = "6"
    & skf21("5","5","7","4","2","6","5","1") = "6"
    & skf21("5","5","7","4","2","6","6","1") = "6"
    & skf21("5","5","7","4","2","6","7","1") = "6"
    & skf21("5","5","7","4","2","7","1","1") = "6"
    & skf21("5","5","7","4","2","7","2","1") = "6"
    & skf21("5","5","7","4","2","7","3","1") = "6"
    & skf21("5","5","7","4","2","7","4","1") = "6"
    & skf21("5","5","7","4","2","7","5","1") = "6"
    & skf21("5","5","7","4","2","7","6","1") = "6"
    & skf21("5","5","7","4","2","7","7","1") = "6"
    & skf21("5","5","7","4","3","1","1","1") = "6"
    & skf21("5","5","7","4","3","1","2","1") = "6"
    & skf21("5","5","7","4","3","1","3","1") = "6"
    & skf21("5","5","7","4","3","1","4","1") = "6"
    & skf21("5","5","7","4","3","1","5","1") = "6"
    & skf21("5","5","7","4","3","1","6","1") = "6"
    & skf21("5","5","7","4","3","1","7","1") = "6"
    & skf21("5","5","7","4","3","2","1","1") = "6"
    & skf21("5","5","7","4","3","2","2","1") = "6"
    & skf21("5","5","7","4","3","2","3","1") = "6"
    & skf21("5","5","7","4","3","2","4","1") = "6"
    & skf21("5","5","7","4","3","2","5","1") = "6"
    & skf21("5","5","7","4","3","2","6","1") = "6"
    & skf21("5","5","7","4","3","2","7","1") = "6"
    & skf21("5","5","7","4","3","3","1","1") = "6"
    & skf21("5","5","7","4","3","3","2","1") = "6"
    & skf21("5","5","7","4","3","3","3","1") = "6"
    & skf21("5","5","7","4","3","3","4","1") = "6"
    & skf21("5","5","7","4","3","3","5","1") = "6"
    & skf21("5","5","7","4","3","3","6","1") = "6"
    & skf21("5","5","7","4","3","3","7","1") = "6"
    & skf21("5","5","7","4","3","4","1","1") = "6"
    & skf21("5","5","7","4","3","4","2","1") = "6"
    & skf21("5","5","7","4","3","4","3","1") = "6"
    & skf21("5","5","7","4","3","4","4","1") = "6"
    & skf21("5","5","7","4","3","4","5","1") = "6"
    & skf21("5","5","7","4","3","4","6","1") = "6"
    & skf21("5","5","7","4","3","4","7","1") = "6"
    & skf21("5","5","7","4","3","5","1","1") = "6"
    & skf21("5","5","7","4","3","5","2","1") = "6"
    & skf21("5","5","7","4","3","5","3","1") = "6"
    & skf21("5","5","7","4","3","5","4","1") = "6"
    & skf21("5","5","7","4","3","5","5","1") = "6"
    & skf21("5","5","7","4","3","5","6","1") = "6"
    & skf21("5","5","7","4","3","5","7","1") = "6"
    & skf21("5","5","7","4","3","6","1","1") = "6"
    & skf21("5","5","7","4","3","6","2","1") = "6"
    & skf21("5","5","7","4","3","6","3","1") = "6"
    & skf21("5","5","7","4","3","6","4","1") = "6"
    & skf21("5","5","7","4","3","6","5","1") = "6"
    & skf21("5","5","7","4","3","6","6","1") = "6"
    & skf21("5","5","7","4","3","6","7","1") = "6"
    & skf21("5","5","7","4","3","7","1","1") = "6"
    & skf21("5","5","7","4","3","7","2","1") = "6"
    & skf21("5","5","7","4","3","7","3","1") = "6"
    & skf21("5","5","7","4","3","7","4","1") = "6"
    & skf21("5","5","7","4","3","7","5","1") = "6"
    & skf21("5","5","7","4","3","7","6","1") = "6"
    & skf21("5","5","7","4","3","7","7","1") = "6"
    & skf21("5","5","7","4","4","1","1","1") = "6"
    & skf21("5","5","7","4","4","1","2","1") = "6"
    & skf21("5","5","7","4","4","1","3","1") = "6"
    & skf21("5","5","7","4","4","1","4","1") = "6"
    & skf21("5","5","7","4","4","1","5","1") = "6"
    & skf21("5","5","7","4","4","1","6","1") = "6"
    & skf21("5","5","7","4","4","1","7","1") = "6"
    & skf21("5","5","7","4","4","2","1","1") = "6"
    & skf21("5","5","7","4","4","2","2","1") = "6"
    & skf21("5","5","7","4","4","2","3","1") = "6"
    & skf21("5","5","7","4","4","2","4","1") = "6"
    & skf21("5","5","7","4","4","2","5","1") = "6"
    & skf21("5","5","7","4","4","2","6","1") = "6"
    & skf21("5","5","7","4","4","2","7","1") = "6"
    & skf21("5","5","7","4","4","3","1","1") = "6"
    & skf21("5","5","7","4","4","3","2","1") = "6"
    & skf21("5","5","7","4","4","3","3","1") = "6"
    & skf21("5","5","7","4","4","3","4","1") = "6"
    & skf21("5","5","7","4","4","3","5","1") = "6"
    & skf21("5","5","7","4","4","3","6","1") = "6"
    & skf21("5","5","7","4","4","3","7","1") = "6"
    & skf21("5","5","7","4","4","4","1","1") = "6"
    & skf21("5","5","7","4","4","4","2","1") = "6"
    & skf21("5","5","7","4","4","4","3","1") = "6"
    & skf21("5","5","7","4","4","4","4","1") = "6"
    & skf21("5","5","7","4","4","4","5","1") = "6"
    & skf21("5","5","7","4","4","4","6","1") = "6"
    & skf21("5","5","7","4","4","4","7","1") = "6"
    & skf21("5","5","7","4","4","5","1","1") = "6"
    & skf21("5","5","7","4","4","5","2","1") = "6"
    & skf21("5","5","7","4","4","5","3","1") = "6"
    & skf21("5","5","7","4","4","5","4","1") = "6"
    & skf21("5","5","7","4","4","5","5","1") = "6"
    & skf21("5","5","7","4","4","5","6","1") = "6"
    & skf21("5","5","7","4","4","5","7","1") = "6"
    & skf21("5","5","7","4","4","6","1","1") = "6"
    & skf21("5","5","7","4","4","6","2","1") = "6"
    & skf21("5","5","7","4","4","6","3","1") = "6"
    & skf21("5","5","7","4","4","6","4","1") = "6"
    & skf21("5","5","7","4","4","6","5","1") = "6"
    & skf21("5","5","7","4","4","6","6","1") = "6"
    & skf21("5","5","7","4","4","6","7","1") = "6"
    & skf21("5","5","7","4","4","7","1","1") = "6"
    & skf21("5","5","7","4","4","7","2","1") = "6"
    & skf21("5","5","7","4","4","7","3","1") = "6"
    & skf21("5","5","7","4","4","7","4","1") = "6"
    & skf21("5","5","7","4","4","7","5","1") = "6"
    & skf21("5","5","7","4","4","7","6","1") = "6"
    & skf21("5","5","7","4","4","7","7","1") = "6"
    & skf21("5","5","7","4","5","1","1","1") = "6"
    & skf21("5","5","7","4","5","1","2","1") = "6"
    & skf21("5","5","7","4","5","1","3","1") = "6"
    & skf21("5","5","7","4","5","1","4","1") = "6"
    & skf21("5","5","7","4","5","1","5","1") = "6"
    & skf21("5","5","7","4","5","1","6","1") = "6"
    & skf21("5","5","7","4","5","1","7","1") = "6"
    & skf21("5","5","7","4","5","2","1","1") = "6"
    & skf21("5","5","7","4","5","2","2","1") = "6"
    & skf21("5","5","7","4","5","2","3","1") = "6"
    & skf21("5","5","7","4","5","2","4","1") = "6"
    & skf21("5","5","7","4","5","2","5","1") = "6"
    & skf21("5","5","7","4","5","2","6","1") = "6"
    & skf21("5","5","7","4","5","2","7","1") = "6"
    & skf21("5","5","7","4","5","3","1","1") = "6"
    & skf21("5","5","7","4","5","3","2","1") = "6"
    & skf21("5","5","7","4","5","3","3","1") = "6"
    & skf21("5","5","7","4","5","3","4","1") = "6"
    & skf21("5","5","7","4","5","3","5","1") = "6"
    & skf21("5","5","7","4","5","3","6","1") = "6"
    & skf21("5","5","7","4","5","3","7","1") = "6"
    & skf21("5","5","7","4","5","4","1","1") = "6"
    & skf21("5","5","7","4","5","4","2","1") = "6"
    & skf21("5","5","7","4","5","4","3","1") = "6"
    & skf21("5","5","7","4","5","4","4","1") = "6"
    & skf21("5","5","7","4","5","4","5","1") = "6"
    & skf21("5","5","7","4","5","4","6","1") = "6"
    & skf21("5","5","7","4","5","4","7","1") = "6"
    & skf21("5","5","7","4","5","5","1","1") = "6"
    & skf21("5","5","7","4","5","5","2","1") = "6"
    & skf21("5","5","7","4","5","5","3","1") = "6"
    & skf21("5","5","7","4","5","5","4","1") = "6"
    & skf21("5","5","7","4","5","5","5","1") = "6"
    & skf21("5","5","7","4","5","5","6","1") = "6"
    & skf21("5","5","7","4","5","5","7","1") = "6"
    & skf21("5","5","7","4","5","6","1","1") = "6"
    & skf21("5","5","7","4","5","6","2","1") = "6"
    & skf21("5","5","7","4","5","6","3","1") = "6"
    & skf21("5","5","7","4","5","6","4","1") = "6"
    & skf21("5","5","7","4","5","6","5","1") = "6"
    & skf21("5","5","7","4","5","6","6","1") = "6"
    & skf21("5","5","7","4","5","6","7","1") = "6"
    & skf21("5","5","7","4","5","7","1","1") = "6"
    & skf21("5","5","7","4","5","7","2","1") = "6"
    & skf21("5","5","7","4","5","7","3","1") = "6"
    & skf21("5","5","7","4","5","7","4","1") = "6"
    & skf21("5","5","7","4","5","7","5","1") = "6"
    & skf21("5","5","7","4","5","7","6","1") = "6"
    & skf21("5","5","7","4","5","7","7","1") = "6"
    & skf21("5","5","7","4","6","1","1","1") = "6"
    & skf21("5","5","7","4","6","1","2","1") = "6"
    & skf21("5","5","7","4","6","1","3","1") = "6"
    & skf21("5","5","7","4","6","1","4","1") = "6"
    & skf21("5","5","7","4","6","1","5","1") = "6"
    & skf21("5","5","7","4","6","1","6","1") = "6"
    & skf21("5","5","7","4","6","1","7","1") = "6"
    & skf21("5","5","7","4","6","2","1","1") = "6"
    & skf21("5","5","7","4","6","2","2","1") = "6"
    & skf21("5","5","7","4","6","2","3","1") = "6"
    & skf21("5","5","7","4","6","2","4","1") = "6"
    & skf21("5","5","7","4","6","2","5","1") = "6"
    & skf21("5","5","7","4","6","2","6","1") = "6"
    & skf21("5","5","7","4","6","2","7","1") = "6"
    & skf21("5","5","7","4","6","3","1","1") = "6"
    & skf21("5","5","7","4","6","3","2","1") = "6"
    & skf21("5","5","7","4","6","3","3","1") = "6"
    & skf21("5","5","7","4","6","3","4","1") = "6"
    & skf21("5","5","7","4","6","3","5","1") = "6"
    & skf21("5","5","7","4","6","3","6","1") = "6"
    & skf21("5","5","7","4","6","3","7","1") = "6"
    & skf21("5","5","7","4","6","4","1","1") = "6"
    & skf21("5","5","7","4","6","4","2","1") = "6"
    & skf21("5","5","7","4","6","4","3","1") = "6"
    & skf21("5","5","7","4","6","4","4","1") = "6"
    & skf21("5","5","7","4","6","4","5","1") = "6"
    & skf21("5","5","7","4","6","4","6","1") = "6"
    & skf21("5","5","7","4","6","4","7","1") = "6"
    & skf21("5","5","7","4","6","5","1","1") = "6"
    & skf21("5","5","7","4","6","5","2","1") = "6"
    & skf21("5","5","7","4","6","5","3","1") = "6"
    & skf21("5","5","7","4","6","5","4","1") = "6"
    & skf21("5","5","7","4","6","5","5","1") = "6"
    & skf21("5","5","7","4","6","5","6","1") = "6"
    & skf21("5","5","7","4","6","5","7","1") = "6"
    & skf21("5","5","7","4","6","6","1","1") = "6"
    & skf21("5","5","7","4","6","6","2","1") = "6"
    & skf21("5","5","7","4","6","6","3","1") = "6"
    & skf21("5","5","7","4","6","6","4","1") = "6"
    & skf21("5","5","7","4","6","6","5","1") = "6"
    & skf21("5","5","7","4","6","6","6","1") = "6"
    & skf21("5","5","7","4","6","6","7","1") = "6"
    & skf21("5","5","7","4","6","7","1","1") = "6"
    & skf21("5","5","7","4","6","7","2","1") = "6"
    & skf21("5","5","7","4","6","7","3","1") = "6"
    & skf21("5","5","7","4","6","7","4","1") = "6"
    & skf21("5","5","7","4","6","7","5","1") = "6"
    & skf21("5","5","7","4","6","7","6","1") = "6"
    & skf21("5","5","7","4","6","7","7","1") = "6"
    & skf21("5","5","7","4","7","1","1","1") = "6"
    & skf21("5","5","7","4","7","1","2","1") = "6"
    & skf21("5","5","7","4","7","1","3","1") = "6"
    & skf21("5","5","7","4","7","1","4","1") = "6"
    & skf21("5","5","7","4","7","1","5","1") = "6"
    & skf21("5","5","7","4","7","1","6","1") = "6"
    & skf21("5","5","7","4","7","1","7","1") = "6"
    & skf21("5","5","7","4","7","2","1","1") = "6"
    & skf21("5","5","7","4","7","2","2","1") = "6"
    & skf21("5","5","7","4","7","2","3","1") = "6"
    & skf21("5","5","7","4","7","2","4","1") = "6"
    & skf21("5","5","7","4","7","2","5","1") = "6"
    & skf21("5","5","7","4","7","2","6","1") = "6"
    & skf21("5","5","7","4","7","2","7","1") = "6"
    & skf21("5","5","7","4","7","3","1","1") = "6"
    & skf21("5","5","7","4","7","3","2","1") = "6"
    & skf21("5","5","7","4","7","3","3","1") = "6"
    & skf21("5","5","7","4","7","3","4","1") = "6"
    & skf21("5","5","7","4","7","3","5","1") = "6"
    & skf21("5","5","7","4","7","3","6","1") = "6"
    & skf21("5","5","7","4","7","3","7","1") = "6"
    & skf21("5","5","7","4","7","4","1","1") = "6"
    & skf21("5","5","7","4","7","4","2","1") = "6"
    & skf21("5","5","7","4","7","4","3","1") = "6"
    & skf21("5","5","7","4","7","4","4","1") = "6"
    & skf21("5","5","7","4","7","4","5","1") = "6"
    & skf21("5","5","7","4","7","4","6","1") = "6"
    & skf21("5","5","7","4","7","4","7","1") = "6"
    & skf21("5","5","7","4","7","5","1","1") = "6"
    & skf21("5","5","7","4","7","5","2","1") = "6"
    & skf21("5","5","7","4","7","5","3","1") = "6"
    & skf21("5","5","7","4","7","5","4","1") = "6"
    & skf21("5","5","7","4","7","5","5","1") = "6"
    & skf21("5","5","7","4","7","5","6","1") = "6"
    & skf21("5","5","7","4","7","5","7","1") = "6"
    & skf21("5","5","7","4","7","6","1","1") = "6"
    & skf21("5","5","7","4","7","6","2","1") = "6"
    & skf21("5","5","7","4","7","6","3","1") = "6"
    & skf21("5","5","7","4","7","6","4","1") = "6"
    & skf21("5","5","7","4","7","6","5","1") = "6"
    & skf21("5","5","7","4","7","6","6","1") = "6"
    & skf21("5","5","7","4","7","6","7","1") = "6"
    & skf21("5","5","7","4","7","7","1","1") = "6"
    & skf21("5","5","7","4","7","7","2","1") = "6"
    & skf21("5","5","7","4","7","7","3","1") = "6"
    & skf21("5","5","7","4","7","7","4","1") = "6"
    & skf21("5","5","7","4","7","7","5","1") = "6"
    & skf21("5","5","7","4","7","7","6","1") = "6"
    & skf21("5","5","7","4","7","7","7","1") = "6"
    & skf21("5","5","7","5","1","1","1","1") = "6"
    & skf21("5","5","7","5","1","1","2","1") = "6"
    & skf21("5","5","7","5","1","1","3","1") = "6"
    & skf21("5","5","7","5","1","1","4","1") = "6"
    & skf21("5","5","7","5","1","1","5","1") = "6"
    & skf21("5","5","7","5","1","1","6","1") = "6"
    & skf21("5","5","7","5","1","1","7","1") = "6"
    & skf21("5","5","7","5","1","2","1","1") = "6"
    & skf21("5","5","7","5","1","2","2","1") = "6"
    & skf21("5","5","7","5","1","2","3","1") = "6"
    & skf21("5","5","7","5","1","2","4","1") = "6"
    & skf21("5","5","7","5","1","2","5","1") = "6"
    & skf21("5","5","7","5","1","2","6","1") = "6"
    & skf21("5","5","7","5","1","2","7","1") = "6"
    & skf21("5","5","7","5","1","3","1","1") = "6"
    & skf21("5","5","7","5","1","3","2","1") = "6"
    & skf21("5","5","7","5","1","3","3","1") = "6"
    & skf21("5","5","7","5","1","3","4","1") = "6"
    & skf21("5","5","7","5","1","3","5","1") = "6"
    & skf21("5","5","7","5","1","3","6","1") = "6"
    & skf21("5","5","7","5","1","3","7","1") = "6"
    & skf21("5","5","7","5","1","4","1","1") = "6"
    & skf21("5","5","7","5","1","4","2","1") = "6"
    & skf21("5","5","7","5","1","4","3","1") = "6"
    & skf21("5","5","7","5","1","4","4","1") = "6"
    & skf21("5","5","7","5","1","4","5","1") = "6"
    & skf21("5","5","7","5","1","4","6","1") = "6"
    & skf21("5","5","7","5","1","4","7","1") = "6"
    & skf21("5","5","7","5","1","5","1","1") = "6"
    & skf21("5","5","7","5","1","5","2","1") = "6"
    & skf21("5","5","7","5","1","5","3","1") = "6"
    & skf21("5","5","7","5","1","5","4","1") = "6"
    & skf21("5","5","7","5","1","5","5","1") = "6"
    & skf21("5","5","7","5","1","5","6","1") = "6"
    & skf21("5","5","7","5","1","5","7","1") = "6"
    & skf21("5","5","7","5","1","6","1","1") = "6"
    & skf21("5","5","7","5","1","6","2","1") = "6"
    & skf21("5","5","7","5","1","6","3","1") = "6"
    & skf21("5","5","7","5","1","6","4","1") = "6"
    & skf21("5","5","7","5","1","6","5","1") = "6"
    & skf21("5","5","7","5","1","6","6","1") = "6"
    & skf21("5","5","7","5","1","6","7","1") = "6"
    & skf21("5","5","7","5","1","7","1","1") = "6"
    & skf21("5","5","7","5","1","7","2","1") = "6"
    & skf21("5","5","7","5","1","7","3","1") = "6"
    & skf21("5","5","7","5","1","7","4","1") = "6"
    & skf21("5","5","7","5","1","7","5","1") = "6"
    & skf21("5","5","7","5","1","7","6","1") = "6"
    & skf21("5","5","7","5","1","7","7","1") = "6"
    & skf21("5","5","7","5","2","1","1","1") = "6"
    & skf21("5","5","7","5","2","1","2","1") = "6"
    & skf21("5","5","7","5","2","1","3","1") = "6"
    & skf21("5","5","7","5","2","1","4","1") = "6"
    & skf21("5","5","7","5","2","1","5","1") = "6"
    & skf21("5","5","7","5","2","1","6","1") = "6"
    & skf21("5","5","7","5","2","1","7","1") = "6"
    & skf21("5","5","7","5","2","2","1","1") = "6"
    & skf21("5","5","7","5","2","2","2","1") = "6"
    & skf21("5","5","7","5","2","2","3","1") = "6"
    & skf21("5","5","7","5","2","2","4","1") = "6"
    & skf21("5","5","7","5","2","2","5","1") = "6"
    & skf21("5","5","7","5","2","2","6","1") = "6"
    & skf21("5","5","7","5","2","2","7","1") = "6"
    & skf21("5","5","7","5","2","3","1","1") = "6"
    & skf21("5","5","7","5","2","3","2","1") = "6"
    & skf21("5","5","7","5","2","3","3","1") = "6"
    & skf21("5","5","7","5","2","3","4","1") = "6"
    & skf21("5","5","7","5","2","3","5","1") = "6"
    & skf21("5","5","7","5","2","3","6","1") = "6"
    & skf21("5","5","7","5","2","3","7","1") = "6"
    & skf21("5","5","7","5","2","4","1","1") = "6"
    & skf21("5","5","7","5","2","4","2","1") = "6"
    & skf21("5","5","7","5","2","4","3","1") = "6"
    & skf21("5","5","7","5","2","4","4","1") = "6"
    & skf21("5","5","7","5","2","4","5","1") = "6"
    & skf21("5","5","7","5","2","4","6","1") = "6"
    & skf21("5","5","7","5","2","4","7","1") = "6"
    & skf21("5","5","7","5","2","5","1","1") = "6"
    & skf21("5","5","7","5","2","5","2","1") = "6"
    & skf21("5","5","7","5","2","5","3","1") = "6"
    & skf21("5","5","7","5","2","5","4","1") = "6"
    & skf21("5","5","7","5","2","5","5","1") = "6"
    & skf21("5","5","7","5","2","5","6","1") = "6"
    & skf21("5","5","7","5","2","5","7","1") = "6"
    & skf21("5","5","7","5","2","6","1","1") = "6"
    & skf21("5","5","7","5","2","6","2","1") = "6"
    & skf21("5","5","7","5","2","6","3","1") = "6"
    & skf21("5","5","7","5","2","6","4","1") = "6"
    & skf21("5","5","7","5","2","6","5","1") = "6"
    & skf21("5","5","7","5","2","6","6","1") = "6"
    & skf21("5","5","7","5","2","6","7","1") = "6"
    & skf21("5","5","7","5","2","7","1","1") = "6"
    & skf21("5","5","7","5","2","7","2","1") = "6"
    & skf21("5","5","7","5","2","7","3","1") = "6"
    & skf21("5","5","7","5","2","7","4","1") = "6"
    & skf21("5","5","7","5","2","7","5","1") = "6"
    & skf21("5","5","7","5","2","7","6","1") = "6"
    & skf21("5","5","7","5","2","7","7","1") = "6"
    & skf21("5","5","7","5","3","1","1","1") = "6"
    & skf21("5","5","7","5","3","1","2","1") = "6"
    & skf21("5","5","7","5","3","1","3","1") = "6"
    & skf21("5","5","7","5","3","1","4","1") = "6"
    & skf21("5","5","7","5","3","1","5","1") = "6"
    & skf21("5","5","7","5","3","1","6","1") = "6"
    & skf21("5","5","7","5","3","1","7","1") = "6"
    & skf21("5","5","7","5","3","2","1","1") = "6"
    & skf21("5","5","7","5","3","2","2","1") = "6"
    & skf21("5","5","7","5","3","2","3","1") = "6"
    & skf21("5","5","7","5","3","2","4","1") = "6"
    & skf21("5","5","7","5","3","2","5","1") = "6"
    & skf21("5","5","7","5","3","2","6","1") = "6"
    & skf21("5","5","7","5","3","2","7","1") = "6"
    & skf21("5","5","7","5","3","3","1","1") = "6"
    & skf21("5","5","7","5","3","3","2","1") = "6"
    & skf21("5","5","7","5","3","3","3","1") = "6"
    & skf21("5","5","7","5","3","3","4","1") = "6"
    & skf21("5","5","7","5","3","3","5","1") = "6"
    & skf21("5","5","7","5","3","3","6","1") = "6"
    & skf21("5","5","7","5","3","3","7","1") = "6"
    & skf21("5","5","7","5","3","4","1","1") = "6"
    & skf21("5","5","7","5","3","4","2","1") = "6"
    & skf21("5","5","7","5","3","4","3","1") = "6"
    & skf21("5","5","7","5","3","4","4","1") = "6"
    & skf21("5","5","7","5","3","4","5","1") = "6"
    & skf21("5","5","7","5","3","4","6","1") = "6"
    & skf21("5","5","7","5","3","4","7","1") = "6"
    & skf21("5","5","7","5","3","5","1","1") = "6"
    & skf21("5","5","7","5","3","5","2","1") = "6"
    & skf21("5","5","7","5","3","5","3","1") = "6"
    & skf21("5","5","7","5","3","5","4","1") = "6"
    & skf21("5","5","7","5","3","5","5","1") = "6"
    & skf21("5","5","7","5","3","5","6","1") = "6"
    & skf21("5","5","7","5","3","5","7","1") = "6"
    & skf21("5","5","7","5","3","6","1","1") = "6"
    & skf21("5","5","7","5","3","6","2","1") = "6"
    & skf21("5","5","7","5","3","6","3","1") = "6"
    & skf21("5","5","7","5","3","6","4","1") = "6"
    & skf21("5","5","7","5","3","6","5","1") = "6"
    & skf21("5","5","7","5","3","6","6","1") = "6"
    & skf21("5","5","7","5","3","6","7","1") = "6"
    & skf21("5","5","7","5","3","7","1","1") = "6"
    & skf21("5","5","7","5","3","7","2","1") = "6"
    & skf21("5","5","7","5","3","7","3","1") = "6"
    & skf21("5","5","7","5","3","7","4","1") = "6"
    & skf21("5","5","7","5","3","7","5","1") = "6"
    & skf21("5","5","7","5","3","7","6","1") = "6"
    & skf21("5","5","7","5","3","7","7","1") = "6"
    & skf21("5","5","7","5","4","1","1","1") = "6"
    & skf21("5","5","7","5","4","1","2","1") = "6"
    & skf21("5","5","7","5","4","1","3","1") = "6"
    & skf21("5","5","7","5","4","1","4","1") = "6"
    & skf21("5","5","7","5","4","1","5","1") = "6"
    & skf21("5","5","7","5","4","1","6","1") = "6"
    & skf21("5","5","7","5","4","1","7","1") = "6"
    & skf21("5","5","7","5","4","2","1","1") = "6"
    & skf21("5","5","7","5","4","2","2","1") = "6"
    & skf21("5","5","7","5","4","2","3","1") = "6"
    & skf21("5","5","7","5","4","2","4","1") = "6"
    & skf21("5","5","7","5","4","2","5","1") = "6"
    & skf21("5","5","7","5","4","2","6","1") = "6"
    & skf21("5","5","7","5","4","2","7","1") = "6"
    & skf21("5","5","7","5","4","3","1","1") = "6"
    & skf21("5","5","7","5","4","3","2","1") = "6"
    & skf21("5","5","7","5","4","3","3","1") = "6"
    & skf21("5","5","7","5","4","3","4","1") = "6"
    & skf21("5","5","7","5","4","3","5","1") = "6"
    & skf21("5","5","7","5","4","3","6","1") = "6"
    & skf21("5","5","7","5","4","3","7","1") = "6"
    & skf21("5","5","7","5","4","4","1","1") = "6"
    & skf21("5","5","7","5","4","4","2","1") = "6"
    & skf21("5","5","7","5","4","4","3","1") = "6"
    & skf21("5","5","7","5","4","4","4","1") = "6"
    & skf21("5","5","7","5","4","4","5","1") = "6"
    & skf21("5","5","7","5","4","4","6","1") = "6"
    & skf21("5","5","7","5","4","4","7","1") = "6"
    & skf21("5","5","7","5","4","5","1","1") = "6"
    & skf21("5","5","7","5","4","5","2","1") = "6"
    & skf21("5","5","7","5","4","5","3","1") = "6"
    & skf21("5","5","7","5","4","5","4","1") = "6"
    & skf21("5","5","7","5","4","5","5","1") = "6"
    & skf21("5","5","7","5","4","5","6","1") = "6"
    & skf21("5","5","7","5","4","5","7","1") = "6"
    & skf21("5","5","7","5","4","6","1","1") = "6"
    & skf21("5","5","7","5","4","6","2","1") = "6"
    & skf21("5","5","7","5","4","6","3","1") = "6"
    & skf21("5","5","7","5","4","6","4","1") = "6"
    & skf21("5","5","7","5","4","6","5","1") = "6"
    & skf21("5","5","7","5","4","6","6","1") = "6"
    & skf21("5","5","7","5","4","6","7","1") = "6"
    & skf21("5","5","7","5","4","7","1","1") = "6"
    & skf21("5","5","7","5","4","7","2","1") = "6"
    & skf21("5","5","7","5","4","7","3","1") = "6"
    & skf21("5","5","7","5","4","7","4","1") = "6"
    & skf21("5","5","7","5","4","7","5","1") = "6"
    & skf21("5","5","7","5","4","7","6","1") = "6"
    & skf21("5","5","7","5","4","7","7","1") = "6"
    & skf21("5","5","7","5","5","1","1","1") = "6"
    & skf21("5","5","7","5","5","1","2","1") = "6"
    & skf21("5","5","7","5","5","1","3","1") = "6"
    & skf21("5","5","7","5","5","1","4","1") = "6"
    & skf21("5","5","7","5","5","1","5","1") = "6"
    & skf21("5","5","7","5","5","1","6","1") = "6"
    & skf21("5","5","7","5","5","1","7","1") = "6"
    & skf21("5","5","7","5","5","2","1","1") = "6"
    & skf21("5","5","7","5","5","2","2","1") = "6"
    & skf21("5","5","7","5","5","2","3","1") = "6"
    & skf21("5","5","7","5","5","2","4","1") = "6"
    & skf21("5","5","7","5","5","2","5","1") = "6"
    & skf21("5","5","7","5","5","2","6","1") = "6"
    & skf21("5","5","7","5","5","2","7","1") = "6"
    & skf21("5","5","7","5","5","3","1","1") = "6"
    & skf21("5","5","7","5","5","3","2","1") = "6"
    & skf21("5","5","7","5","5","3","3","1") = "6"
    & skf21("5","5","7","5","5","3","4","1") = "6"
    & skf21("5","5","7","5","5","3","5","1") = "6"
    & skf21("5","5","7","5","5","3","6","1") = "6"
    & skf21("5","5","7","5","5","3","7","1") = "6"
    & skf21("5","5","7","5","5","4","1","1") = "6"
    & skf21("5","5","7","5","5","4","2","1") = "6"
    & skf21("5","5","7","5","5","4","3","1") = "6"
    & skf21("5","5","7","5","5","4","4","1") = "6"
    & skf21("5","5","7","5","5","4","5","1") = "6"
    & skf21("5","5","7","5","5","4","6","1") = "6"
    & skf21("5","5","7","5","5","4","7","1") = "6"
    & skf21("5","5","7","5","5","5","1","1") = "6"
    & skf21("5","5","7","5","5","5","2","1") = "6"
    & skf21("5","5","7","5","5","5","3","1") = "6"
    & skf21("5","5","7","5","5","5","4","1") = "6"
    & skf21("5","5","7","5","5","5","5","1") = "6"
    & skf21("5","5","7","5","5","5","6","1") = "6"
    & skf21("5","5","7","5","5","5","7","1") = "6"
    & skf21("5","5","7","5","5","6","1","1") = "6"
    & skf21("5","5","7","5","5","6","2","1") = "6"
    & skf21("5","5","7","5","5","6","3","1") = "6"
    & skf21("5","5","7","5","5","6","4","1") = "6"
    & skf21("5","5","7","5","5","6","5","1") = "6"
    & skf21("5","5","7","5","5","6","6","1") = "6"
    & skf21("5","5","7","5","5","6","7","1") = "6"
    & skf21("5","5","7","5","5","7","1","1") = "6"
    & skf21("5","5","7","5","5","7","2","1") = "6"
    & skf21("5","5","7","5","5","7","3","1") = "6"
    & skf21("5","5","7","5","5","7","4","1") = "6"
    & skf21("5","5","7","5","5","7","5","1") = "6"
    & skf21("5","5","7","5","5","7","6","1") = "6"
    & skf21("5","5","7","5","5","7","7","1") = "6"
    & skf21("5","5","7","5","6","1","1","1") = "6"
    & skf21("5","5","7","5","6","1","2","1") = "6"
    & skf21("5","5","7","5","6","1","3","1") = "6"
    & skf21("5","5","7","5","6","1","4","1") = "6"
    & skf21("5","5","7","5","6","1","5","1") = "6"
    & skf21("5","5","7","5","6","1","6","1") = "6"
    & skf21("5","5","7","5","6","1","7","1") = "6"
    & skf21("5","5","7","5","6","2","1","1") = "6"
    & skf21("5","5","7","5","6","2","2","1") = "6"
    & skf21("5","5","7","5","6","2","3","1") = "6"
    & skf21("5","5","7","5","6","2","4","1") = "6"
    & skf21("5","5","7","5","6","2","5","1") = "6"
    & skf21("5","5","7","5","6","2","6","1") = "6"
    & skf21("5","5","7","5","6","2","7","1") = "6"
    & skf21("5","5","7","5","6","3","1","1") = "6"
    & skf21("5","5","7","5","6","3","2","1") = "6"
    & skf21("5","5","7","5","6","3","3","1") = "6"
    & skf21("5","5","7","5","6","3","4","1") = "6"
    & skf21("5","5","7","5","6","3","5","1") = "6"
    & skf21("5","5","7","5","6","3","6","1") = "6"
    & skf21("5","5","7","5","6","3","7","1") = "6"
    & skf21("5","5","7","5","6","4","1","1") = "6"
    & skf21("5","5","7","5","6","4","2","1") = "6"
    & skf21("5","5","7","5","6","4","3","1") = "6"
    & skf21("5","5","7","5","6","4","4","1") = "6"
    & skf21("5","5","7","5","6","4","5","1") = "6"
    & skf21("5","5","7","5","6","4","6","1") = "6"
    & skf21("5","5","7","5","6","4","7","1") = "6"
    & skf21("5","5","7","5","6","5","1","1") = "6"
    & skf21("5","5","7","5","6","5","2","1") = "6"
    & skf21("5","5","7","5","6","5","3","1") = "6"
    & skf21("5","5","7","5","6","5","4","1") = "6"
    & skf21("5","5","7","5","6","5","5","1") = "6"
    & skf21("5","5","7","5","6","5","6","1") = "6"
    & skf21("5","5","7","5","6","5","7","1") = "6"
    & skf21("5","5","7","5","6","6","1","1") = "6"
    & skf21("5","5","7","5","6","6","2","1") = "6"
    & skf21("5","5","7","5","6","6","3","1") = "6"
    & skf21("5","5","7","5","6","6","4","1") = "6"
    & skf21("5","5","7","5","6","6","5","1") = "6"
    & skf21("5","5","7","5","6","6","6","1") = "6"
    & skf21("5","5","7","5","6","6","7","1") = "6"
    & skf21("5","5","7","5","6","7","1","1") = "6"
    & skf21("5","5","7","5","6","7","2","1") = "6"
    & skf21("5","5","7","5","6","7","3","1") = "6"
    & skf21("5","5","7","5","6","7","4","1") = "6"
    & skf21("5","5","7","5","6","7","5","1") = "6"
    & skf21("5","5","7","5","6","7","6","1") = "6"
    & skf21("5","5","7","5","6","7","7","1") = "6"
    & skf21("5","5","7","5","7","1","1","1") = "6"
    & skf21("5","5","7","5","7","1","2","1") = "6"
    & skf21("5","5","7","5","7","1","3","1") = "6"
    & skf21("5","5","7","5","7","1","4","1") = "6"
    & skf21("5","5","7","5","7","1","5","1") = "6"
    & skf21("5","5","7","5","7","1","6","1") = "6"
    & skf21("5","5","7","5","7","1","7","1") = "6"
    & skf21("5","5","7","5","7","2","1","1") = "6"
    & skf21("5","5","7","5","7","2","2","1") = "6"
    & skf21("5","5","7","5","7","2","3","1") = "6"
    & skf21("5","5","7","5","7","2","4","1") = "6"
    & skf21("5","5","7","5","7","2","5","1") = "6"
    & skf21("5","5","7","5","7","2","6","1") = "6"
    & skf21("5","5","7","5","7","2","7","1") = "6"
    & skf21("5","5","7","5","7","3","1","1") = "6"
    & skf21("5","5","7","5","7","3","2","1") = "6"
    & skf21("5","5","7","5","7","3","3","1") = "6"
    & skf21("5","5","7","5","7","3","4","1") = "6"
    & skf21("5","5","7","5","7","3","5","1") = "6"
    & skf21("5","5","7","5","7","3","6","1") = "6"
    & skf21("5","5","7","5","7","3","7","1") = "6"
    & skf21("5","5","7","5","7","4","1","1") = "6"
    & skf21("5","5","7","5","7","4","2","1") = "6"
    & skf21("5","5","7","5","7","4","3","1") = "6"
    & skf21("5","5","7","5","7","4","4","1") = "6"
    & skf21("5","5","7","5","7","4","5","1") = "6"
    & skf21("5","5","7","5","7","4","6","1") = "6"
    & skf21("5","5","7","5","7","4","7","1") = "6"
    & skf21("5","5","7","5","7","5","1","1") = "6"
    & skf21("5","5","7","5","7","5","2","1") = "6"
    & skf21("5","5","7","5","7","5","3","1") = "6"
    & skf21("5","5","7","5","7","5","4","1") = "6"
    & skf21("5","5","7","5","7","5","5","1") = "6"
    & skf21("5","5","7","5","7","5","6","1") = "6"
    & skf21("5","5","7","5","7","5","7","1") = "6"
    & skf21("5","5","7","5","7","6","1","1") = "6"
    & skf21("5","5","7","5","7","6","2","1") = "6"
    & skf21("5","5","7","5","7","6","3","1") = "6"
    & skf21("5","5","7","5","7","6","4","1") = "6"
    & skf21("5","5","7","5","7","6","5","1") = "6"
    & skf21("5","5","7","5","7","6","6","1") = "6"
    & skf21("5","5","7","5","7","6","7","1") = "6"
    & skf21("5","5","7","5","7","7","1","1") = "6"
    & skf21("5","5","7","5","7","7","2","1") = "6"
    & skf21("5","5","7","5","7","7","3","1") = "6"
    & skf21("5","5","7","5","7","7","4","1") = "6"
    & skf21("5","5","7","5","7","7","5","1") = "6"
    & skf21("5","5","7","5","7","7","6","1") = "6"
    & skf21("5","5","7","5","7","7","7","1") = "6"
    & skf21("5","5","7","6","1","1","1","1") = "6"
    & skf21("5","5","7","6","1","1","2","1") = "6"
    & skf21("5","5","7","6","1","1","3","1") = "6"
    & skf21("5","5","7","6","1","1","4","1") = "6"
    & skf21("5","5","7","6","1","1","5","1") = "6"
    & skf21("5","5","7","6","1","1","6","1") = "6"
    & skf21("5","5","7","6","1","1","7","1") = "6"
    & skf21("5","5","7","6","1","2","1","1") = "6"
    & skf21("5","5","7","6","1","2","2","1") = "6"
    & skf21("5","5","7","6","1","2","3","1") = "6"
    & skf21("5","5","7","6","1","2","4","1") = "6"
    & skf21("5","5","7","6","1","2","5","1") = "6"
    & skf21("5","5","7","6","1","2","6","1") = "6"
    & skf21("5","5","7","6","1","2","7","1") = "6"
    & skf21("5","5","7","6","1","3","1","1") = "6"
    & skf21("5","5","7","6","1","3","2","1") = "6"
    & skf21("5","5","7","6","1","3","3","1") = "6"
    & skf21("5","5","7","6","1","3","4","1") = "6"
    & skf21("5","5","7","6","1","3","5","1") = "6"
    & skf21("5","5","7","6","1","3","6","1") = "6"
    & skf21("5","5","7","6","1","3","7","1") = "6"
    & skf21("5","5","7","6","1","4","1","1") = "6"
    & skf21("5","5","7","6","1","4","2","1") = "6"
    & skf21("5","5","7","6","1","4","3","1") = "6"
    & skf21("5","5","7","6","1","4","4","1") = "6"
    & skf21("5","5","7","6","1","4","5","1") = "6"
    & skf21("5","5","7","6","1","4","6","1") = "6"
    & skf21("5","5","7","6","1","4","7","1") = "6"
    & skf21("5","5","7","6","1","5","1","1") = "6"
    & skf21("5","5","7","6","1","5","2","1") = "6"
    & skf21("5","5","7","6","1","5","3","1") = "6"
    & skf21("5","5","7","6","1","5","4","1") = "6"
    & skf21("5","5","7","6","1","5","5","1") = "6"
    & skf21("5","5","7","6","1","5","6","1") = "6"
    & skf21("5","5","7","6","1","5","7","1") = "6"
    & skf21("5","5","7","6","1","6","1","1") = "6"
    & skf21("5","5","7","6","1","6","2","1") = "6"
    & skf21("5","5","7","6","1","6","3","1") = "6"
    & skf21("5","5","7","6","1","6","4","1") = "6"
    & skf21("5","5","7","6","1","6","5","1") = "6"
    & skf21("5","5","7","6","1","6","6","1") = "6"
    & skf21("5","5","7","6","1","6","7","1") = "6"
    & skf21("5","5","7","6","1","7","1","1") = "6"
    & skf21("5","5","7","6","1","7","2","1") = "6"
    & skf21("5","5","7","6","1","7","3","1") = "6"
    & skf21("5","5","7","6","1","7","4","1") = "6"
    & skf21("5","5","7","6","1","7","5","1") = "6"
    & skf21("5","5","7","6","1","7","6","1") = "6"
    & skf21("5","5","7","6","1","7","7","1") = "6"
    & skf21("5","5","7","6","2","1","1","1") = "6"
    & skf21("5","5","7","6","2","1","2","1") = "6"
    & skf21("5","5","7","6","2","1","3","1") = "6"
    & skf21("5","5","7","6","2","1","4","1") = "6"
    & skf21("5","5","7","6","2","1","5","1") = "6"
    & skf21("5","5","7","6","2","1","6","1") = "6"
    & skf21("5","5","7","6","2","1","7","1") = "6"
    & skf21("5","5","7","6","2","2","1","1") = "6"
    & skf21("5","5","7","6","2","2","2","1") = "6"
    & skf21("5","5","7","6","2","2","3","1") = "6"
    & skf21("5","5","7","6","2","2","4","1") = "6"
    & skf21("5","5","7","6","2","2","5","1") = "6"
    & skf21("5","5","7","6","2","2","6","1") = "6"
    & skf21("5","5","7","6","2","2","7","1") = "6"
    & skf21("5","5","7","6","2","3","1","1") = "6"
    & skf21("5","5","7","6","2","3","2","1") = "6"
    & skf21("5","5","7","6","2","3","3","1") = "6"
    & skf21("5","5","7","6","2","3","4","1") = "6"
    & skf21("5","5","7","6","2","3","5","1") = "6"
    & skf21("5","5","7","6","2","3","6","1") = "6"
    & skf21("5","5","7","6","2","3","7","1") = "6"
    & skf21("5","5","7","6","2","4","1","1") = "6"
    & skf21("5","5","7","6","2","4","2","1") = "6"
    & skf21("5","5","7","6","2","4","3","1") = "6"
    & skf21("5","5","7","6","2","4","4","1") = "6"
    & skf21("5","5","7","6","2","4","5","1") = "6"
    & skf21("5","5","7","6","2","4","6","1") = "6"
    & skf21("5","5","7","6","2","4","7","1") = "6"
    & skf21("5","5","7","6","2","5","1","1") = "6"
    & skf21("5","5","7","6","2","5","2","1") = "6"
    & skf21("5","5","7","6","2","5","3","1") = "6"
    & skf21("5","5","7","6","2","5","4","1") = "6"
    & skf21("5","5","7","6","2","5","5","1") = "6"
    & skf21("5","5","7","6","2","5","6","1") = "6"
    & skf21("5","5","7","6","2","5","7","1") = "6"
    & skf21("5","5","7","6","2","6","1","1") = "6"
    & skf21("5","5","7","6","2","6","2","1") = "6"
    & skf21("5","5","7","6","2","6","3","1") = "6"
    & skf21("5","5","7","6","2","6","4","1") = "6"
    & skf21("5","5","7","6","2","6","5","1") = "6"
    & skf21("5","5","7","6","2","6","6","1") = "6"
    & skf21("5","5","7","6","2","6","7","1") = "6"
    & skf21("5","5","7","6","2","7","1","1") = "6"
    & skf21("5","5","7","6","2","7","2","1") = "6"
    & skf21("5","5","7","6","2","7","3","1") = "6"
    & skf21("5","5","7","6","2","7","4","1") = "6"
    & skf21("5","5","7","6","2","7","5","1") = "6"
    & skf21("5","5","7","6","2","7","6","1") = "6"
    & skf21("5","5","7","6","2","7","7","1") = "6"
    & skf21("5","5","7","6","3","1","1","1") = "6"
    & skf21("5","5","7","6","3","1","2","1") = "6"
    & skf21("5","5","7","6","3","1","3","1") = "6"
    & skf21("5","5","7","6","3","1","4","1") = "6"
    & skf21("5","5","7","6","3","1","5","1") = "6"
    & skf21("5","5","7","6","3","1","6","1") = "6"
    & skf21("5","5","7","6","3","1","7","1") = "6"
    & skf21("5","5","7","6","3","2","1","1") = "6"
    & skf21("5","5","7","6","3","2","2","1") = "6"
    & skf21("5","5","7","6","3","2","3","1") = "6"
    & skf21("5","5","7","6","3","2","4","1") = "6"
    & skf21("5","5","7","6","3","2","5","1") = "6"
    & skf21("5","5","7","6","3","2","6","1") = "6"
    & skf21("5","5","7","6","3","2","7","1") = "6"
    & skf21("5","5","7","6","3","3","1","1") = "6"
    & skf21("5","5","7","6","3","3","2","1") = "6"
    & skf21("5","5","7","6","3","3","3","1") = "6"
    & skf21("5","5","7","6","3","3","4","1") = "6"
    & skf21("5","5","7","6","3","3","5","1") = "6"
    & skf21("5","5","7","6","3","3","6","1") = "6"
    & skf21("5","5","7","6","3","3","7","1") = "6"
    & skf21("5","5","7","6","3","4","1","1") = "6"
    & skf21("5","5","7","6","3","4","2","1") = "6"
    & skf21("5","5","7","6","3","4","3","1") = "6"
    & skf21("5","5","7","6","3","4","4","1") = "6"
    & skf21("5","5","7","6","3","4","5","1") = "6"
    & skf21("5","5","7","6","3","4","6","1") = "6"
    & skf21("5","5","7","6","3","4","7","1") = "6"
    & skf21("5","5","7","6","3","5","1","1") = "6"
    & skf21("5","5","7","6","3","5","2","1") = "6"
    & skf21("5","5","7","6","3","5","3","1") = "6"
    & skf21("5","5","7","6","3","5","4","1") = "6"
    & skf21("5","5","7","6","3","5","5","1") = "6"
    & skf21("5","5","7","6","3","5","6","1") = "6"
    & skf21("5","5","7","6","3","5","7","1") = "6"
    & skf21("5","5","7","6","3","6","1","1") = "6"
    & skf21("5","5","7","6","3","6","2","1") = "6"
    & skf21("5","5","7","6","3","6","3","1") = "6"
    & skf21("5","5","7","6","3","6","4","1") = "6"
    & skf21("5","5","7","6","3","6","5","1") = "6"
    & skf21("5","5","7","6","3","6","6","1") = "6"
    & skf21("5","5","7","6","3","6","7","1") = "6"
    & skf21("5","5","7","6","3","7","1","1") = "6"
    & skf21("5","5","7","6","3","7","2","1") = "6"
    & skf21("5","5","7","6","3","7","3","1") = "6"
    & skf21("5","5","7","6","3","7","4","1") = "6"
    & skf21("5","5","7","6","3","7","5","1") = "6"
    & skf21("5","5","7","6","3","7","6","1") = "6"
    & skf21("5","5","7","6","3","7","7","1") = "6"
    & skf21("5","5","7","6","4","1","1","1") = "6"
    & skf21("5","5","7","6","4","1","2","1") = "6"
    & skf21("5","5","7","6","4","1","3","1") = "6"
    & skf21("5","5","7","6","4","1","4","1") = "6"
    & skf21("5","5","7","6","4","1","5","1") = "6"
    & skf21("5","5","7","6","4","1","6","1") = "6"
    & skf21("5","5","7","6","4","1","7","1") = "6"
    & skf21("5","5","7","6","4","2","1","1") = "6"
    & skf21("5","5","7","6","4","2","2","1") = "6"
    & skf21("5","5","7","6","4","2","3","1") = "6"
    & skf21("5","5","7","6","4","2","4","1") = "6"
    & skf21("5","5","7","6","4","2","5","1") = "6"
    & skf21("5","5","7","6","4","2","6","1") = "6"
    & skf21("5","5","7","6","4","2","7","1") = "6"
    & skf21("5","5","7","6","4","3","1","1") = "6"
    & skf21("5","5","7","6","4","3","2","1") = "6"
    & skf21("5","5","7","6","4","3","3","1") = "6"
    & skf21("5","5","7","6","4","3","4","1") = "6"
    & skf21("5","5","7","6","4","3","5","1") = "6"
    & skf21("5","5","7","6","4","3","6","1") = "6"
    & skf21("5","5","7","6","4","3","7","1") = "6"
    & skf21("5","5","7","6","4","4","1","1") = "6"
    & skf21("5","5","7","6","4","4","2","1") = "6"
    & skf21("5","5","7","6","4","4","3","1") = "6"
    & skf21("5","5","7","6","4","4","4","1") = "6"
    & skf21("5","5","7","6","4","4","5","1") = "6"
    & skf21("5","5","7","6","4","4","6","1") = "6"
    & skf21("5","5","7","6","4","4","7","1") = "6"
    & skf21("5","5","7","6","4","5","1","1") = "6"
    & skf21("5","5","7","6","4","5","2","1") = "6"
    & skf21("5","5","7","6","4","5","3","1") = "6"
    & skf21("5","5","7","6","4","5","4","1") = "6"
    & skf21("5","5","7","6","4","5","5","1") = "6"
    & skf21("5","5","7","6","4","5","6","1") = "6"
    & skf21("5","5","7","6","4","5","7","1") = "6"
    & skf21("5","5","7","6","4","6","1","1") = "6"
    & skf21("5","5","7","6","4","6","2","1") = "6"
    & skf21("5","5","7","6","4","6","3","1") = "6"
    & skf21("5","5","7","6","4","6","4","1") = "6"
    & skf21("5","5","7","6","4","6","5","1") = "6"
    & skf21("5","5","7","6","4","6","6","1") = "6"
    & skf21("5","5","7","6","4","6","7","1") = "6"
    & skf21("5","5","7","6","4","7","1","1") = "6"
    & skf21("5","5","7","6","4","7","2","1") = "6"
    & skf21("5","5","7","6","4","7","3","1") = "6"
    & skf21("5","5","7","6","4","7","4","1") = "6"
    & skf21("5","5","7","6","4","7","5","1") = "6"
    & skf21("5","5","7","6","4","7","6","1") = "6"
    & skf21("5","5","7","6","4","7","7","1") = "6"
    & skf21("5","5","7","6","5","1","1","1") = "6"
    & skf21("5","5","7","6","5","1","2","1") = "6"
    & skf21("5","5","7","6","5","1","3","1") = "6"
    & skf21("5","5","7","6","5","1","4","1") = "6"
    & skf21("5","5","7","6","5","1","5","1") = "6"
    & skf21("5","5","7","6","5","1","6","1") = "6"
    & skf21("5","5","7","6","5","1","7","1") = "6"
    & skf21("5","5","7","6","5","2","1","1") = "6"
    & skf21("5","5","7","6","5","2","2","1") = "6"
    & skf21("5","5","7","6","5","2","3","1") = "6"
    & skf21("5","5","7","6","5","2","4","1") = "6"
    & skf21("5","5","7","6","5","2","5","1") = "6"
    & skf21("5","5","7","6","5","2","6","1") = "6"
    & skf21("5","5","7","6","5","2","7","1") = "6"
    & skf21("5","5","7","6","5","3","1","1") = "6"
    & skf21("5","5","7","6","5","3","2","1") = "6"
    & skf21("5","5","7","6","5","3","3","1") = "6"
    & skf21("5","5","7","6","5","3","4","1") = "6"
    & skf21("5","5","7","6","5","3","5","1") = "6"
    & skf21("5","5","7","6","5","3","6","1") = "6"
    & skf21("5","5","7","6","5","3","7","1") = "6"
    & skf21("5","5","7","6","5","4","1","1") = "6"
    & skf21("5","5","7","6","5","4","2","1") = "6"
    & skf21("5","5","7","6","5","4","3","1") = "6"
    & skf21("5","5","7","6","5","4","4","1") = "6"
    & skf21("5","5","7","6","5","4","5","1") = "6"
    & skf21("5","5","7","6","5","4","6","1") = "6"
    & skf21("5","5","7","6","5","4","7","1") = "6"
    & skf21("5","5","7","6","5","5","1","1") = "6"
    & skf21("5","5","7","6","5","5","2","1") = "6"
    & skf21("5","5","7","6","5","5","3","1") = "6"
    & skf21("5","5","7","6","5","5","4","1") = "6"
    & skf21("5","5","7","6","5","5","5","1") = "6"
    & skf21("5","5","7","6","5","5","6","1") = "6"
    & skf21("5","5","7","6","5","5","7","1") = "6"
    & skf21("5","5","7","6","5","6","1","1") = "6"
    & skf21("5","5","7","6","5","6","2","1") = "6"
    & skf21("5","5","7","6","5","6","3","1") = "6"
    & skf21("5","5","7","6","5","6","4","1") = "6"
    & skf21("5","5","7","6","5","6","5","1") = "6"
    & skf21("5","5","7","6","5","6","6","1") = "6"
    & skf21("5","5","7","6","5","6","7","1") = "6"
    & skf21("5","5","7","6","5","7","1","1") = "6"
    & skf21("5","5","7","6","5","7","2","1") = "6"
    & skf21("5","5","7","6","5","7","3","1") = "6"
    & skf21("5","5","7","6","5","7","4","1") = "6"
    & skf21("5","5","7","6","5","7","5","1") = "6"
    & skf21("5","5","7","6","5","7","6","1") = "6"
    & skf21("5","5","7","6","5","7","7","1") = "6"
    & skf21("5","5","7","6","6","1","1","1") = "6"
    & skf21("5","5","7","6","6","1","2","1") = "6"
    & skf21("5","5","7","6","6","1","3","1") = "6"
    & skf21("5","5","7","6","6","1","4","1") = "6"
    & skf21("5","5","7","6","6","1","5","1") = "6"
    & skf21("5","5","7","6","6","1","6","1") = "6"
    & skf21("5","5","7","6","6","1","7","1") = "6"
    & skf21("5","5","7","6","6","2","1","1") = "6"
    & skf21("5","5","7","6","6","2","2","1") = "6"
    & skf21("5","5","7","6","6","2","3","1") = "6"
    & skf21("5","5","7","6","6","2","4","1") = "6"
    & skf21("5","5","7","6","6","2","5","1") = "6"
    & skf21("5","5","7","6","6","2","6","1") = "6"
    & skf21("5","5","7","6","6","2","7","1") = "6"
    & skf21("5","5","7","6","6","3","1","1") = "6"
    & skf21("5","5","7","6","6","3","2","1") = "6"
    & skf21("5","5","7","6","6","3","3","1") = "6"
    & skf21("5","5","7","6","6","3","4","1") = "6"
    & skf21("5","5","7","6","6","3","5","1") = "6"
    & skf21("5","5","7","6","6","3","6","1") = "6"
    & skf21("5","5","7","6","6","3","7","1") = "6"
    & skf21("5","5","7","6","6","4","1","1") = "6"
    & skf21("5","5","7","6","6","4","2","1") = "6"
    & skf21("5","5","7","6","6","4","3","1") = "6"
    & skf21("5","5","7","6","6","4","4","1") = "6"
    & skf21("5","5","7","6","6","4","5","1") = "6"
    & skf21("5","5","7","6","6","4","6","1") = "6"
    & skf21("5","5","7","6","6","4","7","1") = "6"
    & skf21("5","5","7","6","6","5","1","1") = "6"
    & skf21("5","5","7","6","6","5","2","1") = "6"
    & skf21("5","5","7","6","6","5","3","1") = "6"
    & skf21("5","5","7","6","6","5","4","1") = "6"
    & skf21("5","5","7","6","6","5","5","1") = "6"
    & skf21("5","5","7","6","6","5","6","1") = "6"
    & skf21("5","5","7","6","6","5","7","1") = "6"
    & skf21("5","5","7","6","6","6","1","1") = "6"
    & skf21("5","5","7","6","6","6","2","1") = "6"
    & skf21("5","5","7","6","6","6","3","1") = "6"
    & skf21("5","5","7","6","6","6","4","1") = "6"
    & skf21("5","5","7","6","6","6","5","1") = "6"
    & skf21("5","5","7","6","6","6","6","1") = "6"
    & skf21("5","5","7","6","6","6","7","1") = "6"
    & skf21("5","5","7","6","6","7","1","1") = "6"
    & skf21("5","5","7","6","6","7","2","1") = "6"
    & skf21("5","5","7","6","6","7","3","1") = "6"
    & skf21("5","5","7","6","6","7","4","1") = "6"
    & skf21("5","5","7","6","6","7","5","1") = "6"
    & skf21("5","5","7","6","6","7","6","1") = "6"
    & skf21("5","5","7","6","6","7","7","1") = "6"
    & skf21("5","5","7","6","7","1","1","1") = "6"
    & skf21("5","5","7","6","7","1","2","1") = "6"
    & skf21("5","5","7","6","7","1","3","1") = "6"
    & skf21("5","5","7","6","7","1","4","1") = "6"
    & skf21("5","5","7","6","7","1","5","1") = "6"
    & skf21("5","5","7","6","7","1","6","1") = "6"
    & skf21("5","5","7","6","7","1","7","1") = "6"
    & skf21("5","5","7","6","7","2","1","1") = "6"
    & skf21("5","5","7","6","7","2","2","1") = "6"
    & skf21("5","5","7","6","7","2","3","1") = "6"
    & skf21("5","5","7","6","7","2","4","1") = "6"
    & skf21("5","5","7","6","7","2","5","1") = "6"
    & skf21("5","5","7","6","7","2","6","1") = "6"
    & skf21("5","5","7","6","7","2","7","1") = "6"
    & skf21("5","5","7","6","7","3","1","1") = "6"
    & skf21("5","5","7","6","7","3","2","1") = "6"
    & skf21("5","5","7","6","7","3","3","1") = "6"
    & skf21("5","5","7","6","7","3","4","1") = "6"
    & skf21("5","5","7","6","7","3","5","1") = "6"
    & skf21("5","5","7","6","7","3","6","1") = "6"
    & skf21("5","5","7","6","7","3","7","1") = "6"
    & skf21("5","5","7","6","7","4","1","1") = "6"
    & skf21("5","5","7","6","7","4","2","1") = "6"
    & skf21("5","5","7","6","7","4","3","1") = "6"
    & skf21("5","5","7","6","7","4","4","1") = "6"
    & skf21("5","5","7","6","7","4","5","1") = "6"
    & skf21("5","5","7","6","7","4","6","1") = "6"
    & skf21("5","5","7","6","7","4","7","1") = "6"
    & skf21("5","5","7","6","7","5","1","1") = "6"
    & skf21("5","5","7","6","7","5","2","1") = "6"
    & skf21("5","5","7","6","7","5","3","1") = "6"
    & skf21("5","5","7","6","7","5","4","1") = "6"
    & skf21("5","5","7","6","7","5","5","1") = "6"
    & skf21("5","5","7","6","7","5","6","1") = "6"
    & skf21("5","5","7","6","7","5","7","1") = "6"
    & skf21("5","5","7","6","7","6","1","1") = "6"
    & skf21("5","5","7","6","7","6","2","1") = "6"
    & skf21("5","5","7","6","7","6","3","1") = "6"
    & skf21("5","5","7","6","7","6","4","1") = "6"
    & skf21("5","5","7","6","7","6","5","1") = "6"
    & skf21("5","5","7","6","7","6","6","1") = "6"
    & skf21("5","5","7","6","7","6","7","1") = "6"
    & skf21("5","5","7","6","7","7","1","1") = "6"
    & skf21("5","5","7","6","7","7","2","1") = "6"
    & skf21("5","5","7","6","7","7","3","1") = "6"
    & skf21("5","5","7","6","7","7","4","1") = "6"
    & skf21("5","5","7","6","7","7","5","1") = "6"
    & skf21("5","5","7","6","7","7","6","1") = "6"
    & skf21("5","5","7","6","7","7","7","1") = "6"
    & skf21("5","5","7","7","1","1","1","1") = "6"
    & skf21("5","5","7","7","1","1","2","1") = "6"
    & skf21("5","5","7","7","1","1","3","1") = "6"
    & skf21("5","5","7","7","1","1","4","1") = "6"
    & skf21("5","5","7","7","1","1","5","1") = "6"
    & skf21("5","5","7","7","1","1","6","1") = "6"
    & skf21("5","5","7","7","1","1","7","1") = "6"
    & skf21("5","5","7","7","1","2","1","1") = "6"
    & skf21("5","5","7","7","1","2","2","1") = "6"
    & skf21("5","5","7","7","1","2","3","1") = "6"
    & skf21("5","5","7","7","1","2","4","1") = "6"
    & skf21("5","5","7","7","1","2","5","1") = "6"
    & skf21("5","5","7","7","1","2","6","1") = "6"
    & skf21("5","5","7","7","1","2","7","1") = "6"
    & skf21("5","5","7","7","1","3","1","1") = "6"
    & skf21("5","5","7","7","1","3","2","1") = "6"
    & skf21("5","5","7","7","1","3","3","1") = "6"
    & skf21("5","5","7","7","1","3","4","1") = "6"
    & skf21("5","5","7","7","1","3","5","1") = "6"
    & skf21("5","5","7","7","1","3","6","1") = "6"
    & skf21("5","5","7","7","1","3","7","1") = "6"
    & skf21("5","5","7","7","1","4","1","1") = "6"
    & skf21("5","5","7","7","1","4","2","1") = "6"
    & skf21("5","5","7","7","1","4","3","1") = "6"
    & skf21("5","5","7","7","1","4","4","1") = "6"
    & skf21("5","5","7","7","1","4","5","1") = "6"
    & skf21("5","5","7","7","1","4","6","1") = "6"
    & skf21("5","5","7","7","1","4","7","1") = "6"
    & skf21("5","5","7","7","1","5","1","1") = "6"
    & skf21("5","5","7","7","1","5","2","1") = "6"
    & skf21("5","5","7","7","1","5","3","1") = "6"
    & skf21("5","5","7","7","1","5","4","1") = "6"
    & skf21("5","5","7","7","1","5","5","1") = "6"
    & skf21("5","5","7","7","1","5","6","1") = "6"
    & skf21("5","5","7","7","1","5","7","1") = "6"
    & skf21("5","5","7","7","1","6","1","1") = "6"
    & skf21("5","5","7","7","1","6","2","1") = "6"
    & skf21("5","5","7","7","1","6","3","1") = "6"
    & skf21("5","5","7","7","1","6","4","1") = "6"
    & skf21("5","5","7","7","1","6","5","1") = "6"
    & skf21("5","5","7","7","1","6","6","1") = "6"
    & skf21("5","5","7","7","1","6","7","1") = "6"
    & skf21("5","5","7","7","1","7","1","1") = "6"
    & skf21("5","5","7","7","1","7","2","1") = "6"
    & skf21("5","5","7","7","1","7","3","1") = "6"
    & skf21("5","5","7","7","1","7","4","1") = "6"
    & skf21("5","5","7","7","1","7","5","1") = "6"
    & skf21("5","5","7","7","1","7","6","1") = "6"
    & skf21("5","5","7","7","1","7","7","1") = "6"
    & skf21("5","5","7","7","2","1","1","1") = "6"
    & skf21("5","5","7","7","2","1","2","1") = "6"
    & skf21("5","5","7","7","2","1","3","1") = "6"
    & skf21("5","5","7","7","2","1","4","1") = "6"
    & skf21("5","5","7","7","2","1","5","1") = "6"
    & skf21("5","5","7","7","2","1","6","1") = "6"
    & skf21("5","5","7","7","2","1","7","1") = "6"
    & skf21("5","5","7","7","2","2","1","1") = "6"
    & skf21("5","5","7","7","2","2","2","1") = "6"
    & skf21("5","5","7","7","2","2","3","1") = "6"
    & skf21("5","5","7","7","2","2","4","1") = "6"
    & skf21("5","5","7","7","2","2","5","1") = "6"
    & skf21("5","5","7","7","2","2","6","1") = "6"
    & skf21("5","5","7","7","2","2","7","1") = "6"
    & skf21("5","5","7","7","2","3","1","1") = "6"
    & skf21("5","5","7","7","2","3","2","1") = "6"
    & skf21("5","5","7","7","2","3","3","1") = "6"
    & skf21("5","5","7","7","2","3","4","1") = "6"
    & skf21("5","5","7","7","2","3","5","1") = "6"
    & skf21("5","5","7","7","2","3","6","1") = "6"
    & skf21("5","5","7","7","2","3","7","1") = "6"
    & skf21("5","5","7","7","2","4","1","1") = "6"
    & skf21("5","5","7","7","2","4","2","1") = "6"
    & skf21("5","5","7","7","2","4","3","1") = "6"
    & skf21("5","5","7","7","2","4","4","1") = "6"
    & skf21("5","5","7","7","2","4","5","1") = "6"
    & skf21("5","5","7","7","2","4","6","1") = "6"
    & skf21("5","5","7","7","2","4","7","1") = "6"
    & skf21("5","5","7","7","2","5","1","1") = "6"
    & skf21("5","5","7","7","2","5","2","1") = "6"
    & skf21("5","5","7","7","2","5","3","1") = "6"
    & skf21("5","5","7","7","2","5","4","1") = "6"
    & skf21("5","5","7","7","2","5","5","1") = "6"
    & skf21("5","5","7","7","2","5","6","1") = "6"
    & skf21("5","5","7","7","2","5","7","1") = "6"
    & skf21("5","5","7","7","2","6","1","1") = "6"
    & skf21("5","5","7","7","2","6","2","1") = "6"
    & skf21("5","5","7","7","2","6","3","1") = "6"
    & skf21("5","5","7","7","2","6","4","1") = "6"
    & skf21("5","5","7","7","2","6","5","1") = "6"
    & skf21("5","5","7","7","2","6","6","1") = "6"
    & skf21("5","5","7","7","2","6","7","1") = "6"
    & skf21("5","5","7","7","2","7","1","1") = "6"
    & skf21("5","5","7","7","2","7","2","1") = "6"
    & skf21("5","5","7","7","2","7","3","1") = "6"
    & skf21("5","5","7","7","2","7","4","1") = "6"
    & skf21("5","5","7","7","2","7","5","1") = "6"
    & skf21("5","5","7","7","2","7","6","1") = "6"
    & skf21("5","5","7","7","2","7","7","1") = "6"
    & skf21("5","5","7","7","3","1","1","1") = "6"
    & skf21("5","5","7","7","3","1","2","1") = "6"
    & skf21("5","5","7","7","3","1","3","1") = "6"
    & skf21("5","5","7","7","3","1","4","1") = "6"
    & skf21("5","5","7","7","3","1","5","1") = "6"
    & skf21("5","5","7","7","3","1","6","1") = "6"
    & skf21("5","5","7","7","3","1","7","1") = "6"
    & skf21("5","5","7","7","3","2","1","1") = "6"
    & skf21("5","5","7","7","3","2","2","1") = "6"
    & skf21("5","5","7","7","3","2","3","1") = "6"
    & skf21("5","5","7","7","3","2","4","1") = "6"
    & skf21("5","5","7","7","3","2","5","1") = "6"
    & skf21("5","5","7","7","3","2","6","1") = "6"
    & skf21("5","5","7","7","3","2","7","1") = "6"
    & skf21("5","5","7","7","3","3","1","1") = "6"
    & skf21("5","5","7","7","3","3","2","1") = "6"
    & skf21("5","5","7","7","3","3","3","1") = "6"
    & skf21("5","5","7","7","3","3","4","1") = "6"
    & skf21("5","5","7","7","3","3","5","1") = "6"
    & skf21("5","5","7","7","3","3","6","1") = "6"
    & skf21("5","5","7","7","3","3","7","1") = "6"
    & skf21("5","5","7","7","3","4","1","1") = "6"
    & skf21("5","5","7","7","3","4","2","1") = "6"
    & skf21("5","5","7","7","3","4","3","1") = "6"
    & skf21("5","5","7","7","3","4","4","1") = "6"
    & skf21("5","5","7","7","3","4","5","1") = "6"
    & skf21("5","5","7","7","3","4","6","1") = "6"
    & skf21("5","5","7","7","3","4","7","1") = "6"
    & skf21("5","5","7","7","3","5","1","1") = "6"
    & skf21("5","5","7","7","3","5","2","1") = "6"
    & skf21("5","5","7","7","3","5","3","1") = "6"
    & skf21("5","5","7","7","3","5","4","1") = "6"
    & skf21("5","5","7","7","3","5","5","1") = "6"
    & skf21("5","5","7","7","3","5","6","1") = "6"
    & skf21("5","5","7","7","3","5","7","1") = "6"
    & skf21("5","5","7","7","3","6","1","1") = "6"
    & skf21("5","5","7","7","3","6","2","1") = "6"
    & skf21("5","5","7","7","3","6","3","1") = "6"
    & skf21("5","5","7","7","3","6","4","1") = "6"
    & skf21("5","5","7","7","3","6","5","1") = "6"
    & skf21("5","5","7","7","3","6","6","1") = "6"
    & skf21("5","5","7","7","3","6","7","1") = "6"
    & skf21("5","5","7","7","3","7","1","1") = "6"
    & skf21("5","5","7","7","3","7","2","1") = "6"
    & skf21("5","5","7","7","3","7","3","1") = "6"
    & skf21("5","5","7","7","3","7","4","1") = "6"
    & skf21("5","5","7","7","3","7","5","1") = "6"
    & skf21("5","5","7","7","3","7","6","1") = "6"
    & skf21("5","5","7","7","3","7","7","1") = "6"
    & skf21("5","5","7","7","4","1","1","1") = "6"
    & skf21("5","5","7","7","4","1","2","1") = "6"
    & skf21("5","5","7","7","4","1","3","1") = "6"
    & skf21("5","5","7","7","4","1","4","1") = "6"
    & skf21("5","5","7","7","4","1","5","1") = "6"
    & skf21("5","5","7","7","4","1","6","1") = "6"
    & skf21("5","5","7","7","4","1","7","1") = "6"
    & skf21("5","5","7","7","4","2","1","1") = "6"
    & skf21("5","5","7","7","4","2","2","1") = "6"
    & skf21("5","5","7","7","4","2","3","1") = "6"
    & skf21("5","5","7","7","4","2","4","1") = "6"
    & skf21("5","5","7","7","4","2","5","1") = "6"
    & skf21("5","5","7","7","4","2","6","1") = "6"
    & skf21("5","5","7","7","4","2","7","1") = "6"
    & skf21("5","5","7","7","4","3","1","1") = "6"
    & skf21("5","5","7","7","4","3","2","1") = "6"
    & skf21("5","5","7","7","4","3","3","1") = "6"
    & skf21("5","5","7","7","4","3","4","1") = "6"
    & skf21("5","5","7","7","4","3","5","1") = "6"
    & skf21("5","5","7","7","4","3","6","1") = "6"
    & skf21("5","5","7","7","4","3","7","1") = "6"
    & skf21("5","5","7","7","4","4","1","1") = "6"
    & skf21("5","5","7","7","4","4","2","1") = "6"
    & skf21("5","5","7","7","4","4","3","1") = "6"
    & skf21("5","5","7","7","4","4","4","1") = "6"
    & skf21("5","5","7","7","4","4","5","1") = "6"
    & skf21("5","5","7","7","4","4","6","1") = "6"
    & skf21("5","5","7","7","4","4","7","1") = "6"
    & skf21("5","5","7","7","4","5","1","1") = "6"
    & skf21("5","5","7","7","4","5","2","1") = "6"
    & skf21("5","5","7","7","4","5","3","1") = "6"
    & skf21("5","5","7","7","4","5","4","1") = "6"
    & skf21("5","5","7","7","4","5","5","1") = "6"
    & skf21("5","5","7","7","4","5","6","1") = "6"
    & skf21("5","5","7","7","4","5","7","1") = "6"
    & skf21("5","5","7","7","4","6","1","1") = "6"
    & skf21("5","5","7","7","4","6","2","1") = "6"
    & skf21("5","5","7","7","4","6","3","1") = "6"
    & skf21("5","5","7","7","4","6","4","1") = "6"
    & skf21("5","5","7","7","4","6","5","1") = "6"
    & skf21("5","5","7","7","4","6","6","1") = "6"
    & skf21("5","5","7","7","4","6","7","1") = "6"
    & skf21("5","5","7","7","4","7","1","1") = "6"
    & skf21("5","5","7","7","4","7","2","1") = "6"
    & skf21("5","5","7","7","4","7","3","1") = "6"
    & skf21("5","5","7","7","4","7","4","1") = "6"
    & skf21("5","5","7","7","4","7","5","1") = "6"
    & skf21("5","5","7","7","4","7","6","1") = "6"
    & skf21("5","5","7","7","4","7","7","1") = "6"
    & skf21("5","5","7","7","5","1","1","1") = "6"
    & skf21("5","5","7","7","5","1","2","1") = "6"
    & skf21("5","5","7","7","5","1","3","1") = "6"
    & skf21("5","5","7","7","5","1","4","1") = "6"
    & skf21("5","5","7","7","5","1","5","1") = "6"
    & skf21("5","5","7","7","5","1","6","1") = "6"
    & skf21("5","5","7","7","5","1","7","1") = "6"
    & skf21("5","5","7","7","5","2","1","1") = "6"
    & skf21("5","5","7","7","5","2","2","1") = "6"
    & skf21("5","5","7","7","5","2","3","1") = "6"
    & skf21("5","5","7","7","5","2","4","1") = "6"
    & skf21("5","5","7","7","5","2","5","1") = "6"
    & skf21("5","5","7","7","5","2","6","1") = "6"
    & skf21("5","5","7","7","5","2","7","1") = "6"
    & skf21("5","5","7","7","5","3","1","1") = "6"
    & skf21("5","5","7","7","5","3","2","1") = "6"
    & skf21("5","5","7","7","5","3","3","1") = "6"
    & skf21("5","5","7","7","5","3","4","1") = "6"
    & skf21("5","5","7","7","5","3","5","1") = "6"
    & skf21("5","5","7","7","5","3","6","1") = "6"
    & skf21("5","5","7","7","5","3","7","1") = "6"
    & skf21("5","5","7","7","5","4","1","1") = "6"
    & skf21("5","5","7","7","5","4","2","1") = "6"
    & skf21("5","5","7","7","5","4","3","1") = "6"
    & skf21("5","5","7","7","5","4","4","1") = "6"
    & skf21("5","5","7","7","5","4","5","1") = "6"
    & skf21("5","5","7","7","5","4","6","1") = "6"
    & skf21("5","5","7","7","5","4","7","1") = "6"
    & skf21("5","5","7","7","5","5","1","1") = "6"
    & skf21("5","5","7","7","5","5","2","1") = "6"
    & skf21("5","5","7","7","5","5","3","1") = "6"
    & skf21("5","5","7","7","5","5","4","1") = "6"
    & skf21("5","5","7","7","5","5","5","1") = "6"
    & skf21("5","5","7","7","5","5","6","1") = "6"
    & skf21("5","5","7","7","5","5","7","1") = "6"
    & skf21("5","5","7","7","5","6","1","1") = "6"
    & skf21("5","5","7","7","5","6","2","1") = "6"
    & skf21("5","5","7","7","5","6","3","1") = "6"
    & skf21("5","5","7","7","5","6","4","1") = "6"
    & skf21("5","5","7","7","5","6","5","1") = "6"
    & skf21("5","5","7","7","5","6","6","1") = "6"
    & skf21("5","5","7","7","5","6","7","1") = "6"
    & skf21("5","5","7","7","5","7","1","1") = "6"
    & skf21("5","5","7","7","5","7","2","1") = "6"
    & skf21("5","5","7","7","5","7","3","1") = "6"
    & skf21("5","5","7","7","5","7","4","1") = "6"
    & skf21("5","5","7","7","5","7","5","1") = "6"
    & skf21("5","5","7","7","5","7","6","1") = "6"
    & skf21("5","5","7","7","5","7","7","1") = "6"
    & skf21("5","5","7","7","6","1","1","1") = "6"
    & skf21("5","5","7","7","6","1","2","1") = "6"
    & skf21("5","5","7","7","6","1","3","1") = "6"
    & skf21("5","5","7","7","6","1","4","1") = "6"
    & skf21("5","5","7","7","6","1","5","1") = "6"
    & skf21("5","5","7","7","6","1","6","1") = "6"
    & skf21("5","5","7","7","6","1","7","1") = "6"
    & skf21("5","5","7","7","6","2","1","1") = "6"
    & skf21("5","5","7","7","6","2","2","1") = "6"
    & skf21("5","5","7","7","6","2","3","1") = "6"
    & skf21("5","5","7","7","6","2","4","1") = "6"
    & skf21("5","5","7","7","6","2","5","1") = "6"
    & skf21("5","5","7","7","6","2","6","1") = "6"
    & skf21("5","5","7","7","6","2","7","1") = "6"
    & skf21("5","5","7","7","6","3","1","1") = "6"
    & skf21("5","5","7","7","6","3","2","1") = "6"
    & skf21("5","5","7","7","6","3","3","1") = "6"
    & skf21("5","5","7","7","6","3","4","1") = "6"
    & skf21("5","5","7","7","6","3","5","1") = "6"
    & skf21("5","5","7","7","6","3","6","1") = "6"
    & skf21("5","5","7","7","6","3","7","1") = "6"
    & skf21("5","5","7","7","6","4","1","1") = "6"
    & skf21("5","5","7","7","6","4","2","1") = "6"
    & skf21("5","5","7","7","6","4","3","1") = "6"
    & skf21("5","5","7","7","6","4","4","1") = "6"
    & skf21("5","5","7","7","6","4","5","1") = "6"
    & skf21("5","5","7","7","6","4","6","1") = "6"
    & skf21("5","5","7","7","6","4","7","1") = "6"
    & skf21("5","5","7","7","6","5","1","1") = "6"
    & skf21("5","5","7","7","6","5","2","1") = "6"
    & skf21("5","5","7","7","6","5","3","1") = "6"
    & skf21("5","5","7","7","6","5","4","1") = "6"
    & skf21("5","5","7","7","6","5","5","1") = "6"
    & skf21("5","5","7","7","6","5","6","1") = "6"
    & skf21("5","5","7","7","6","5","7","1") = "6"
    & skf21("5","5","7","7","6","6","1","1") = "6"
    & skf21("5","5","7","7","6","6","2","1") = "6"
    & skf21("5","5","7","7","6","6","3","1") = "6"
    & skf21("5","5","7","7","6","6","4","1") = "6"
    & skf21("5","5","7","7","6","6","5","1") = "6"
    & skf21("5","5","7","7","6","6","6","1") = "6"
    & skf21("5","5","7","7","6","6","7","1") = "6"
    & skf21("5","5","7","7","6","7","1","1") = "6"
    & skf21("5","5","7","7","6","7","2","1") = "6"
    & skf21("5","5","7","7","6","7","3","1") = "6"
    & skf21("5","5","7","7","6","7","4","1") = "6"
    & skf21("5","5","7","7","6","7","5","1") = "6"
    & skf21("5","5","7","7","6","7","6","1") = "6"
    & skf21("5","5","7","7","6","7","7","1") = "6"
    & skf21("5","5","7","7","7","1","1","1") = "6"
    & skf21("5","5","7","7","7","1","2","1") = "6"
    & skf21("5","5","7","7","7","1","3","1") = "6"
    & skf21("5","5","7","7","7","1","4","1") = "6"
    & skf21("5","5","7","7","7","1","5","1") = "6"
    & skf21("5","5","7","7","7","1","6","1") = "6"
    & skf21("5","5","7","7","7","1","7","1") = "6"
    & skf21("5","5","7","7","7","2","1","1") = "6"
    & skf21("5","5","7","7","7","2","2","1") = "6"
    & skf21("5","5","7","7","7","2","3","1") = "6"
    & skf21("5","5","7","7","7","2","4","1") = "6"
    & skf21("5","5","7","7","7","2","5","1") = "6"
    & skf21("5","5","7","7","7","2","6","1") = "6"
    & skf21("5","5","7","7","7","2","7","1") = "6"
    & skf21("5","5","7","7","7","3","1","1") = "6"
    & skf21("5","5","7","7","7","3","2","1") = "6"
    & skf21("5","5","7","7","7","3","3","1") = "6"
    & skf21("5","5","7","7","7","3","4","1") = "6"
    & skf21("5","5","7","7","7","3","5","1") = "6"
    & skf21("5","5","7","7","7","3","6","1") = "6"
    & skf21("5","5","7","7","7","3","7","1") = "6"
    & skf21("5","5","7","7","7","4","1","1") = "6"
    & skf21("5","5","7","7","7","4","2","1") = "6"
    & skf21("5","5","7","7","7","4","3","1") = "6"
    & skf21("5","5","7","7","7","4","4","1") = "6"
    & skf21("5","5","7","7","7","4","5","1") = "6"
    & skf21("5","5","7","7","7","4","6","1") = "6"
    & skf21("5","5","7","7","7","4","7","1") = "6"
    & skf21("5","5","7","7","7","5","1","1") = "6"
    & skf21("5","5","7","7","7","5","2","1") = "6"
    & skf21("5","5","7","7","7","5","3","1") = "6"
    & skf21("5","5","7","7","7","5","4","1") = "6"
    & skf21("5","5","7","7","7","5","5","1") = "6"
    & skf21("5","5","7","7","7","5","6","1") = "6"
    & skf21("5","5","7","7","7","5","7","1") = "6"
    & skf21("5","5","7","7","7","6","1","1") = "6"
    & skf21("5","5","7","7","7","6","2","1") = "6"
    & skf21("5","5","7","7","7","6","3","1") = "6"
    & skf21("5","5","7","7","7","6","4","1") = "6"
    & skf21("5","5","7","7","7","6","5","1") = "6"
    & skf21("5","5","7","7","7","6","6","1") = "6"
    & skf21("5","5","7","7","7","6","7","1") = "6"
    & skf21("5","5","7","7","7","7","1","1") = "6"
    & skf21("5","5","7","7","7","7","2","1") = "6"
    & skf21("5","5","7","7","7","7","3","1") = "6"
    & skf21("5","5","7","7","7","7","4","1") = "6"
    & skf21("5","5","7","7","7","7","5","1") = "6"
    & skf21("5","5","7","7","7","7","6","1") = "6"
    & skf21("5","5","7","7","7","7","7","1") = "6"
    & skf21("5","6","1","1","1","1","1","1") = "5"
    & skf21("5","6","1","1","1","1","2","1") = "5"
    & skf21("5","6","1","1","1","1","3","1") = "5"
    & skf21("5","6","1","1","1","1","4","1") = "5"
    & skf21("5","6","1","1","1","1","5","1") = "5"
    & skf21("5","6","1","1","1","1","6","1") = "5"
    & skf21("5","6","1","1","1","1","7","1") = "6"
    & skf21("5","6","1","1","1","2","1","1") = "5"
    & skf21("5","6","1","1","1","2","2","1") = "5"
    & skf21("5","6","1","1","1","2","3","1") = "5"
    & skf21("5","6","1","1","1","2","4","1") = "5"
    & skf21("5","6","1","1","1","2","5","1") = "5"
    & skf21("5","6","1","1","1","2","6","1") = "5"
    & skf21("5","6","1","1","1","2","7","1") = "6"
    & skf21("5","6","1","1","1","3","1","1") = "5"
    & skf21("5","6","1","1","1","3","2","1") = "5"
    & skf21("5","6","1","1","1","3","3","1") = "5"
    & skf21("5","6","1","1","1","3","4","1") = "5"
    & skf21("5","6","1","1","1","3","5","1") = "5"
    & skf21("5","6","1","1","1","3","6","1") = "5"
    & skf21("5","6","1","1","1","3","7","1") = "6"
    & skf21("5","6","1","1","1","4","1","1") = "5"
    & skf21("5","6","1","1","1","4","2","1") = "5"
    & skf21("5","6","1","1","1","4","3","1") = "5"
    & skf21("5","6","1","1","1","4","4","1") = "5"
    & skf21("5","6","1","1","1","4","5","1") = "5"
    & skf21("5","6","1","1","1","4","6","1") = "5"
    & skf21("5","6","1","1","1","4","7","1") = "6"
    & skf21("5","6","1","1","1","5","1","1") = "5"
    & skf21("5","6","1","1","1","5","2","1") = "5"
    & skf21("5","6","1","1","1","5","3","1") = "5"
    & skf21("5","6","1","1","1","5","4","1") = "5"
    & skf21("5","6","1","1","1","5","5","1") = "5"
    & skf21("5","6","1","1","1","5","6","1") = "5"
    & skf21("5","6","1","1","1","5","7","1") = "6"
    & skf21("5","6","1","1","1","6","1","1") = "5"
    & skf21("5","6","1","1","1","6","2","1") = "5"
    & skf21("5","6","1","1","1","6","3","1") = "5"
    & skf21("5","6","1","1","1","6","4","1") = "5"
    & skf21("5","6","1","1","1","6","5","1") = "5"
    & skf21("5","6","1","1","1","6","6","1") = "5"
    & skf21("5","6","1","1","1","6","7","1") = "6"
    & skf21("5","6","1","1","1","7","1","1") = "6"
    & skf21("5","6","1","1","1","7","2","1") = "6"
    & skf21("5","6","1","1","1","7","3","1") = "6"
    & skf21("5","6","1","1","1","7","4","1") = "6"
    & skf21("5","6","1","1","1","7","5","1") = "6"
    & skf21("5","6","1","1","1","7","6","1") = "6"
    & skf21("5","6","1","1","1","7","7","1") = "6"
    & skf21("5","6","1","1","2","1","1","1") = "5"
    & skf21("5","6","1","1","2","1","2","1") = "5"
    & skf21("5","6","1","1","2","1","3","1") = "5"
    & skf21("5","6","1","1","2","1","4","1") = "5"
    & skf21("5","6","1","1","2","1","5","1") = "5"
    & skf21("5","6","1","1","2","1","6","1") = "5"
    & skf21("5","6","1","1","2","1","7","1") = "6"
    & skf21("5","6","1","1","2","2","1","1") = "5"
    & skf21("5","6","1","1","2","2","2","1") = "5"
    & skf21("5","6","1","1","2","2","3","1") = "5"
    & skf21("5","6","1","1","2","2","4","1") = "5"
    & skf21("5","6","1","1","2","2","5","1") = "5"
    & skf21("5","6","1","1","2","2","6","1") = "5"
    & skf21("5","6","1","1","2","2","7","1") = "6"
    & skf21("5","6","1","1","2","3","1","1") = "5"
    & skf21("5","6","1","1","2","3","2","1") = "5"
    & skf21("5","6","1","1","2","3","3","1") = "5"
    & skf21("5","6","1","1","2","3","4","1") = "5"
    & skf21("5","6","1","1","2","3","5","1") = "5"
    & skf21("5","6","1","1","2","3","6","1") = "5"
    & skf21("5","6","1","1","2","3","7","1") = "6"
    & skf21("5","6","1","1","2","4","1","1") = "5"
    & skf21("5","6","1","1","2","4","2","1") = "5"
    & skf21("5","6","1","1","2","4","3","1") = "5"
    & skf21("5","6","1","1","2","4","4","1") = "5"
    & skf21("5","6","1","1","2","4","5","1") = "5"
    & skf21("5","6","1","1","2","4","6","1") = "5"
    & skf21("5","6","1","1","2","4","7","1") = "6"
    & skf21("5","6","1","1","2","5","1","1") = "5"
    & skf21("5","6","1","1","2","5","2","1") = "5"
    & skf21("5","6","1","1","2","5","3","1") = "5"
    & skf21("5","6","1","1","2","5","4","1") = "5"
    & skf21("5","6","1","1","2","5","5","1") = "5"
    & skf21("5","6","1","1","2","5","6","1") = "5"
    & skf21("5","6","1","1","2","5","7","1") = "6"
    & skf21("5","6","1","1","2","6","1","1") = "5"
    & skf21("5","6","1","1","2","6","2","1") = "5"
    & skf21("5","6","1","1","2","6","3","1") = "5"
    & skf21("5","6","1","1","2","6","4","1") = "5"
    & skf21("5","6","1","1","2","6","5","1") = "5"
    & skf21("5","6","1","1","2","6","6","1") = "5"
    & skf21("5","6","1","1","2","6","7","1") = "6"
    & skf21("5","6","1","1","2","7","1","1") = "6"
    & skf21("5","6","1","1","2","7","2","1") = "6"
    & skf21("5","6","1","1","2","7","3","1") = "6"
    & skf21("5","6","1","1","2","7","4","1") = "6"
    & skf21("5","6","1","1","2","7","5","1") = "6"
    & skf21("5","6","1","1","2","7","6","1") = "6"
    & skf21("5","6","1","1","2","7","7","1") = "6"
    & skf21("5","6","1","1","3","1","1","1") = "5"
    & skf21("5","6","1","1","3","1","2","1") = "5"
    & skf21("5","6","1","1","3","1","3","1") = "5"
    & skf21("5","6","1","1","3","1","4","1") = "5"
    & skf21("5","6","1","1","3","1","5","1") = "5"
    & skf21("5","6","1","1","3","1","6","1") = "5"
    & skf21("5","6","1","1","3","1","7","1") = "6"
    & skf21("5","6","1","1","3","2","1","1") = "5"
    & skf21("5","6","1","1","3","2","2","1") = "5"
    & skf21("5","6","1","1","3","2","3","1") = "5"
    & skf21("5","6","1","1","3","2","4","1") = "5"
    & skf21("5","6","1","1","3","2","5","1") = "5"
    & skf21("5","6","1","1","3","2","6","1") = "5"
    & skf21("5","6","1","1","3","2","7","1") = "6"
    & skf21("5","6","1","1","3","3","1","1") = "5"
    & skf21("5","6","1","1","3","3","2","1") = "5"
    & skf21("5","6","1","1","3","3","3","1") = "5"
    & skf21("5","6","1","1","3","3","4","1") = "5"
    & skf21("5","6","1","1","3","3","5","1") = "5"
    & skf21("5","6","1","1","3","3","6","1") = "5"
    & skf21("5","6","1","1","3","3","7","1") = "6"
    & skf21("5","6","1","1","3","4","1","1") = "5"
    & skf21("5","6","1","1","3","4","2","1") = "5"
    & skf21("5","6","1","1","3","4","3","1") = "5"
    & skf21("5","6","1","1","3","4","4","1") = "5"
    & skf21("5","6","1","1","3","4","5","1") = "5"
    & skf21("5","6","1","1","3","4","6","1") = "5"
    & skf21("5","6","1","1","3","4","7","1") = "6"
    & skf21("5","6","1","1","3","5","1","1") = "5"
    & skf21("5","6","1","1","3","5","2","1") = "5"
    & skf21("5","6","1","1","3","5","3","1") = "5"
    & skf21("5","6","1","1","3","5","4","1") = "5"
    & skf21("5","6","1","1","3","5","5","1") = "5"
    & skf21("5","6","1","1","3","5","6","1") = "5"
    & skf21("5","6","1","1","3","5","7","1") = "6"
    & skf21("5","6","1","1","3","6","1","1") = "5"
    & skf21("5","6","1","1","3","6","2","1") = "5"
    & skf21("5","6","1","1","3","6","3","1") = "5"
    & skf21("5","6","1","1","3","6","4","1") = "5"
    & skf21("5","6","1","1","3","6","5","1") = "5"
    & skf21("5","6","1","1","3","6","6","1") = "5"
    & skf21("5","6","1","1","3","6","7","1") = "6"
    & skf21("5","6","1","1","3","7","1","1") = "6"
    & skf21("5","6","1","1","3","7","2","1") = "6"
    & skf21("5","6","1","1","3","7","3","1") = "6"
    & skf21("5","6","1","1","3","7","4","1") = "6"
    & skf21("5","6","1","1","3","7","5","1") = "6"
    & skf21("5","6","1","1","3","7","6","1") = "6"
    & skf21("5","6","1","1","3","7","7","1") = "6"
    & skf21("5","6","1","1","4","1","1","1") = "5"
    & skf21("5","6","1","1","4","1","2","1") = "5"
    & skf21("5","6","1","1","4","1","3","1") = "5"
    & skf21("5","6","1","1","4","1","4","1") = "5"
    & skf21("5","6","1","1","4","1","5","1") = "5"
    & skf21("5","6","1","1","4","1","6","1") = "5"
    & skf21("5","6","1","1","4","1","7","1") = "6"
    & skf21("5","6","1","1","4","2","1","1") = "5"
    & skf21("5","6","1","1","4","2","2","1") = "5"
    & skf21("5","6","1","1","4","2","3","1") = "5"
    & skf21("5","6","1","1","4","2","4","1") = "5"
    & skf21("5","6","1","1","4","2","5","1") = "5"
    & skf21("5","6","1","1","4","2","6","1") = "5"
    & skf21("5","6","1","1","4","2","7","1") = "6"
    & skf21("5","6","1","1","4","3","1","1") = "5"
    & skf21("5","6","1","1","4","3","2","1") = "5"
    & skf21("5","6","1","1","4","3","3","1") = "5"
    & skf21("5","6","1","1","4","3","4","1") = "5"
    & skf21("5","6","1","1","4","3","5","1") = "5"
    & skf21("5","6","1","1","4","3","6","1") = "5"
    & skf21("5","6","1","1","4","3","7","1") = "6"
    & skf21("5","6","1","1","4","4","1","1") = "5"
    & skf21("5","6","1","1","4","4","2","1") = "5"
    & skf21("5","6","1","1","4","4","3","1") = "5"
    & skf21("5","6","1","1","4","4","4","1") = "5"
    & skf21("5","6","1","1","4","4","5","1") = "5"
    & skf21("5","6","1","1","4","4","6","1") = "5"
    & skf21("5","6","1","1","4","4","7","1") = "6"
    & skf21("5","6","1","1","4","5","1","1") = "5"
    & skf21("5","6","1","1","4","5","2","1") = "5"
    & skf21("5","6","1","1","4","5","3","1") = "5"
    & skf21("5","6","1","1","4","5","4","1") = "5"
    & skf21("5","6","1","1","4","5","5","1") = "5"
    & skf21("5","6","1","1","4","5","6","1") = "5"
    & skf21("5","6","1","1","4","5","7","1") = "6"
    & skf21("5","6","1","1","4","6","1","1") = "5"
    & skf21("5","6","1","1","4","6","2","1") = "5"
    & skf21("5","6","1","1","4","6","3","1") = "5"
    & skf21("5","6","1","1","4","6","4","1") = "5"
    & skf21("5","6","1","1","4","6","5","1") = "5"
    & skf21("5","6","1","1","4","6","6","1") = "5"
    & skf21("5","6","1","1","4","6","7","1") = "6"
    & skf21("5","6","1","1","4","7","1","1") = "6"
    & skf21("5","6","1","1","4","7","2","1") = "6"
    & skf21("5","6","1","1","4","7","3","1") = "6"
    & skf21("5","6","1","1","4","7","4","1") = "6"
    & skf21("5","6","1","1","4","7","5","1") = "6"
    & skf21("5","6","1","1","4","7","6","1") = "6"
    & skf21("5","6","1","1","4","7","7","1") = "6"
    & skf21("5","6","1","1","5","1","1","1") = "5"
    & skf21("5","6","1","1","5","1","2","1") = "5"
    & skf21("5","6","1","1","5","1","3","1") = "5"
    & skf21("5","6","1","1","5","1","4","1") = "5"
    & skf21("5","6","1","1","5","1","5","1") = "5"
    & skf21("5","6","1","1","5","1","6","1") = "5"
    & skf21("5","6","1","1","5","1","7","1") = "6"
    & skf21("5","6","1","1","5","2","1","1") = "5"
    & skf21("5","6","1","1","5","2","2","1") = "5"
    & skf21("5","6","1","1","5","2","3","1") = "5"
    & skf21("5","6","1","1","5","2","4","1") = "5"
    & skf21("5","6","1","1","5","2","5","1") = "5"
    & skf21("5","6","1","1","5","2","6","1") = "5"
    & skf21("5","6","1","1","5","2","7","1") = "6"
    & skf21("5","6","1","1","5","3","1","1") = "5"
    & skf21("5","6","1","1","5","3","2","1") = "5"
    & skf21("5","6","1","1","5","3","3","1") = "5"
    & skf21("5","6","1","1","5","3","4","1") = "5"
    & skf21("5","6","1","1","5","3","5","1") = "5"
    & skf21("5","6","1","1","5","3","6","1") = "5"
    & skf21("5","6","1","1","5","3","7","1") = "6"
    & skf21("5","6","1","1","5","4","1","1") = "5"
    & skf21("5","6","1","1","5","4","2","1") = "5"
    & skf21("5","6","1","1","5","4","3","1") = "5"
    & skf21("5","6","1","1","5","4","4","1") = "5"
    & skf21("5","6","1","1","5","4","5","1") = "5"
    & skf21("5","6","1","1","5","4","6","1") = "5"
    & skf21("5","6","1","1","5","4","7","1") = "6"
    & skf21("5","6","1","1","5","5","1","1") = "5"
    & skf21("5","6","1","1","5","5","2","1") = "5"
    & skf21("5","6","1","1","5","5","3","1") = "5"
    & skf21("5","6","1","1","5","5","4","1") = "5"
    & skf21("5","6","1","1","5","5","5","1") = "5"
    & skf21("5","6","1","1","5","5","6","1") = "5"
    & skf21("5","6","1","1","5","5","7","1") = "6"
    & skf21("5","6","1","1","5","6","1","1") = "5"
    & skf21("5","6","1","1","5","6","2","1") = "5"
    & skf21("5","6","1","1","5","6","3","1") = "5"
    & skf21("5","6","1","1","5","6","4","1") = "5"
    & skf21("5","6","1","1","5","6","5","1") = "5"
    & skf21("5","6","1","1","5","6","6","1") = "5"
    & skf21("5","6","1","1","5","6","7","1") = "6"
    & skf21("5","6","1","1","5","7","1","1") = "6"
    & skf21("5","6","1","1","5","7","2","1") = "6"
    & skf21("5","6","1","1","5","7","3","1") = "6"
    & skf21("5","6","1","1","5","7","4","1") = "6"
    & skf21("5","6","1","1","5","7","5","1") = "6"
    & skf21("5","6","1","1","5","7","6","1") = "6"
    & skf21("5","6","1","1","5","7","7","1") = "6"
    & skf21("5","6","1","1","6","1","1","1") = "5"
    & skf21("5","6","1","1","6","1","2","1") = "5"
    & skf21("5","6","1","1","6","1","3","1") = "5"
    & skf21("5","6","1","1","6","1","4","1") = "5"
    & skf21("5","6","1","1","6","1","5","1") = "5"
    & skf21("5","6","1","1","6","1","6","1") = "5"
    & skf21("5","6","1","1","6","1","7","1") = "6"
    & skf21("5","6","1","1","6","2","1","1") = "5"
    & skf21("5","6","1","1","6","2","2","1") = "5"
    & skf21("5","6","1","1","6","2","3","1") = "5"
    & skf21("5","6","1","1","6","2","4","1") = "5"
    & skf21("5","6","1","1","6","2","5","1") = "5"
    & skf21("5","6","1","1","6","2","6","1") = "5"
    & skf21("5","6","1","1","6","2","7","1") = "6"
    & skf21("5","6","1","1","6","3","1","1") = "5"
    & skf21("5","6","1","1","6","3","2","1") = "5"
    & skf21("5","6","1","1","6","3","3","1") = "5"
    & skf21("5","6","1","1","6","3","4","1") = "5"
    & skf21("5","6","1","1","6","3","5","1") = "5"
    & skf21("5","6","1","1","6","3","6","1") = "5"
    & skf21("5","6","1","1","6","3","7","1") = "6"
    & skf21("5","6","1","1","6","4","1","1") = "5"
    & skf21("5","6","1","1","6","4","2","1") = "5"
    & skf21("5","6","1","1","6","4","3","1") = "5"
    & skf21("5","6","1","1","6","4","4","1") = "5"
    & skf21("5","6","1","1","6","4","5","1") = "5"
    & skf21("5","6","1","1","6","4","6","1") = "5"
    & skf21("5","6","1","1","6","4","7","1") = "6"
    & skf21("5","6","1","1","6","5","1","1") = "5"
    & skf21("5","6","1","1","6","5","2","1") = "5"
    & skf21("5","6","1","1","6","5","3","1") = "5"
    & skf21("5","6","1","1","6","5","4","1") = "5"
    & skf21("5","6","1","1","6","5","5","1") = "5"
    & skf21("5","6","1","1","6","5","6","1") = "5"
    & skf21("5","6","1","1","6","5","7","1") = "6"
    & skf21("5","6","1","1","6","6","1","1") = "5"
    & skf21("5","6","1","1","6","6","2","1") = "5"
    & skf21("5","6","1","1","6","6","3","1") = "5"
    & skf21("5","6","1","1","6","6","4","1") = "5"
    & skf21("5","6","1","1","6","6","5","1") = "5"
    & skf21("5","6","1","1","6","6","6","1") = "5"
    & skf21("5","6","1","1","6","6","7","1") = "6"
    & skf21("5","6","1","1","6","7","1","1") = "6"
    & skf21("5","6","1","1","6","7","2","1") = "6"
    & skf21("5","6","1","1","6","7","3","1") = "6"
    & skf21("5","6","1","1","6","7","4","1") = "6"
    & skf21("5","6","1","1","6","7","5","1") = "6"
    & skf21("5","6","1","1","6","7","6","1") = "6"
    & skf21("5","6","1","1","6","7","7","1") = "6"
    & skf21("5","6","1","1","7","1","1","1") = "6"
    & skf21("5","6","1","1","7","1","2","1") = "6"
    & skf21("5","6","1","1","7","1","3","1") = "6"
    & skf21("5","6","1","1","7","1","4","1") = "6"
    & skf21("5","6","1","1","7","1","5","1") = "6"
    & skf21("5","6","1","1","7","1","6","1") = "6"
    & skf21("5","6","1","1","7","1","7","1") = "6"
    & skf21("5","6","1","1","7","2","1","1") = "6"
    & skf21("5","6","1","1","7","2","2","1") = "6"
    & skf21("5","6","1","1","7","2","3","1") = "6"
    & skf21("5","6","1","1","7","2","4","1") = "6"
    & skf21("5","6","1","1","7","2","5","1") = "6"
    & skf21("5","6","1","1","7","2","6","1") = "6"
    & skf21("5","6","1","1","7","2","7","1") = "6"
    & skf21("5","6","1","1","7","3","1","1") = "6"
    & skf21("5","6","1","1","7","3","2","1") = "6"
    & skf21("5","6","1","1","7","3","3","1") = "6"
    & skf21("5","6","1","1","7","3","4","1") = "6"
    & skf21("5","6","1","1","7","3","5","1") = "6"
    & skf21("5","6","1","1","7","3","6","1") = "6"
    & skf21("5","6","1","1","7","3","7","1") = "6"
    & skf21("5","6","1","1","7","4","1","1") = "6"
    & skf21("5","6","1","1","7","4","2","1") = "6"
    & skf21("5","6","1","1","7","4","3","1") = "6"
    & skf21("5","6","1","1","7","4","4","1") = "6"
    & skf21("5","6","1","1","7","4","5","1") = "6"
    & skf21("5","6","1","1","7","4","6","1") = "6"
    & skf21("5","6","1","1","7","4","7","1") = "6"
    & skf21("5","6","1","1","7","5","1","1") = "6"
    & skf21("5","6","1","1","7","5","2","1") = "6"
    & skf21("5","6","1","1","7","5","3","1") = "6"
    & skf21("5","6","1","1","7","5","4","1") = "6"
    & skf21("5","6","1","1","7","5","5","1") = "6"
    & skf21("5","6","1","1","7","5","6","1") = "6"
    & skf21("5","6","1","1","7","5","7","1") = "6"
    & skf21("5","6","1","1","7","6","1","1") = "6"
    & skf21("5","6","1","1","7","6","2","1") = "6"
    & skf21("5","6","1","1","7","6","3","1") = "6"
    & skf21("5","6","1","1","7","6","4","1") = "6"
    & skf21("5","6","1","1","7","6","5","1") = "6"
    & skf21("5","6","1","1","7","6","6","1") = "6"
    & skf21("5","6","1","1","7","6","7","1") = "6"
    & skf21("5","6","1","1","7","7","1","1") = "6"
    & skf21("5","6","1","1","7","7","2","1") = "6"
    & skf21("5","6","1","1","7","7","3","1") = "6"
    & skf21("5","6","1","1","7","7","4","1") = "6"
    & skf21("5","6","1","1","7","7","5","1") = "6"
    & skf21("5","6","1","1","7","7","6","1") = "6"
    & skf21("5","6","1","1","7","7","7","1") = "6"
    & skf21("5","6","1","2","1","1","1","1") = "5"
    & skf21("5","6","1","2","1","1","2","1") = "5"
    & skf21("5","6","1","2","1","1","3","1") = "5"
    & skf21("5","6","1","2","1","1","4","1") = "5"
    & skf21("5","6","1","2","1","1","5","1") = "5"
    & skf21("5","6","1","2","1","1","6","1") = "5"
    & skf21("5","6","1","2","1","1","7","1") = "6"
    & skf21("5","6","1","2","1","2","1","1") = "5"
    & skf21("5","6","1","2","1","2","2","1") = "5"
    & skf21("5","6","1","2","1","2","3","1") = "5"
    & skf21("5","6","1","2","1","2","4","1") = "5"
    & skf21("5","6","1","2","1","2","5","1") = "5"
    & skf21("5","6","1","2","1","2","6","1") = "5"
    & skf21("5","6","1","2","1","2","7","1") = "6"
    & skf21("5","6","1","2","1","3","1","1") = "5"
    & skf21("5","6","1","2","1","3","2","1") = "5"
    & skf21("5","6","1","2","1","3","3","1") = "5"
    & skf21("5","6","1","2","1","3","4","1") = "5"
    & skf21("5","6","1","2","1","3","5","1") = "5"
    & skf21("5","6","1","2","1","3","6","1") = "5"
    & skf21("5","6","1","2","1","3","7","1") = "6"
    & skf21("5","6","1","2","1","4","1","1") = "5"
    & skf21("5","6","1","2","1","4","2","1") = "5"
    & skf21("5","6","1","2","1","4","3","1") = "5"
    & skf21("5","6","1","2","1","4","4","1") = "5"
    & skf21("5","6","1","2","1","4","5","1") = "5"
    & skf21("5","6","1","2","1","4","6","1") = "5"
    & skf21("5","6","1","2","1","4","7","1") = "6"
    & skf21("5","6","1","2","1","5","1","1") = "5"
    & skf21("5","6","1","2","1","5","2","1") = "5"
    & skf21("5","6","1","2","1","5","3","1") = "5"
    & skf21("5","6","1","2","1","5","4","1") = "5"
    & skf21("5","6","1","2","1","5","5","1") = "5"
    & skf21("5","6","1","2","1","5","6","1") = "5"
    & skf21("5","6","1","2","1","5","7","1") = "6"
    & skf21("5","6","1","2","1","6","1","1") = "5"
    & skf21("5","6","1","2","1","6","2","1") = "5"
    & skf21("5","6","1","2","1","6","3","1") = "5"
    & skf21("5","6","1","2","1","6","4","1") = "5"
    & skf21("5","6","1","2","1","6","5","1") = "5"
    & skf21("5","6","1","2","1","6","6","1") = "5"
    & skf21("5","6","1","2","1","6","7","1") = "6"
    & skf21("5","6","1","2","1","7","1","1") = "6"
    & skf21("5","6","1","2","1","7","2","1") = "6"
    & skf21("5","6","1","2","1","7","3","1") = "6"
    & skf21("5","6","1","2","1","7","4","1") = "6"
    & skf21("5","6","1","2","1","7","5","1") = "6"
    & skf21("5","6","1","2","1","7","6","1") = "6"
    & skf21("5","6","1","2","1","7","7","1") = "6"
    & skf21("5","6","1","2","2","1","1","1") = "5"
    & skf21("5","6","1","2","2","1","2","1") = "5"
    & skf21("5","6","1","2","2","1","3","1") = "5"
    & skf21("5","6","1","2","2","1","4","1") = "5"
    & skf21("5","6","1","2","2","1","5","1") = "5"
    & skf21("5","6","1","2","2","1","6","1") = "5"
    & skf21("5","6","1","2","2","1","7","1") = "6"
    & skf21("5","6","1","2","2","2","1","1") = "5"
    & skf21("5","6","1","2","2","2","2","1") = "5"
    & skf21("5","6","1","2","2","2","3","1") = "5"
    & skf21("5","6","1","2","2","2","4","1") = "5"
    & skf21("5","6","1","2","2","2","5","1") = "5"
    & skf21("5","6","1","2","2","2","6","1") = "5"
    & skf21("5","6","1","2","2","2","7","1") = "6"
    & skf21("5","6","1","2","2","3","1","1") = "5"
    & skf21("5","6","1","2","2","3","2","1") = "5"
    & skf21("5","6","1","2","2","3","3","1") = "5"
    & skf21("5","6","1","2","2","3","4","1") = "5"
    & skf21("5","6","1","2","2","3","5","1") = "5"
    & skf21("5","6","1","2","2","3","6","1") = "5"
    & skf21("5","6","1","2","2","3","7","1") = "6"
    & skf21("5","6","1","2","2","4","1","1") = "5"
    & skf21("5","6","1","2","2","4","2","1") = "5"
    & skf21("5","6","1","2","2","4","3","1") = "5"
    & skf21("5","6","1","2","2","4","4","1") = "5"
    & skf21("5","6","1","2","2","4","5","1") = "5"
    & skf21("5","6","1","2","2","4","6","1") = "5"
    & skf21("5","6","1","2","2","4","7","1") = "6"
    & skf21("5","6","1","2","2","5","1","1") = "5"
    & skf21("5","6","1","2","2","5","2","1") = "5"
    & skf21("5","6","1","2","2","5","3","1") = "5"
    & skf21("5","6","1","2","2","5","4","1") = "5"
    & skf21("5","6","1","2","2","5","5","1") = "5"
    & skf21("5","6","1","2","2","5","6","1") = "5"
    & skf21("5","6","1","2","2","5","7","1") = "6"
    & skf21("5","6","1","2","2","6","1","1") = "5"
    & skf21("5","6","1","2","2","6","2","1") = "5"
    & skf21("5","6","1","2","2","6","3","1") = "5"
    & skf21("5","6","1","2","2","6","4","1") = "5"
    & skf21("5","6","1","2","2","6","5","1") = "5"
    & skf21("5","6","1","2","2","6","6","1") = "5"
    & skf21("5","6","1","2","2","6","7","1") = "6"
    & skf21("5","6","1","2","2","7","1","1") = "6"
    & skf21("5","6","1","2","2","7","2","1") = "6"
    & skf21("5","6","1","2","2","7","3","1") = "6"
    & skf21("5","6","1","2","2","7","4","1") = "6"
    & skf21("5","6","1","2","2","7","5","1") = "6"
    & skf21("5","6","1","2","2","7","6","1") = "6"
    & skf21("5","6","1","2","2","7","7","1") = "6"
    & skf21("5","6","1","2","3","1","1","1") = "5"
    & skf21("5","6","1","2","3","1","2","1") = "5"
    & skf21("5","6","1","2","3","1","3","1") = "5"
    & skf21("5","6","1","2","3","1","4","1") = "5"
    & skf21("5","6","1","2","3","1","5","1") = "5"
    & skf21("5","6","1","2","3","1","6","1") = "5"
    & skf21("5","6","1","2","3","1","7","1") = "6"
    & skf21("5","6","1","2","3","2","1","1") = "5"
    & skf21("5","6","1","2","3","2","2","1") = "5"
    & skf21("5","6","1","2","3","2","3","1") = "5"
    & skf21("5","6","1","2","3","2","4","1") = "5"
    & skf21("5","6","1","2","3","2","5","1") = "5"
    & skf21("5","6","1","2","3","2","6","1") = "5"
    & skf21("5","6","1","2","3","2","7","1") = "6"
    & skf21("5","6","1","2","3","3","1","1") = "5"
    & skf21("5","6","1","2","3","3","2","1") = "5"
    & skf21("5","6","1","2","3","3","3","1") = "5"
    & skf21("5","6","1","2","3","3","4","1") = "5"
    & skf21("5","6","1","2","3","3","5","1") = "5"
    & skf21("5","6","1","2","3","3","6","1") = "5"
    & skf21("5","6","1","2","3","3","7","1") = "6"
    & skf21("5","6","1","2","3","4","1","1") = "5"
    & skf21("5","6","1","2","3","4","2","1") = "5"
    & skf21("5","6","1","2","3","4","3","1") = "5"
    & skf21("5","6","1","2","3","4","4","1") = "5"
    & skf21("5","6","1","2","3","4","5","1") = "5"
    & skf21("5","6","1","2","3","4","6","1") = "5"
    & skf21("5","6","1","2","3","4","7","1") = "6"
    & skf21("5","6","1","2","3","5","1","1") = "5"
    & skf21("5","6","1","2","3","5","2","1") = "5"
    & skf21("5","6","1","2","3","5","3","1") = "5"
    & skf21("5","6","1","2","3","5","4","1") = "5"
    & skf21("5","6","1","2","3","5","5","1") = "5"
    & skf21("5","6","1","2","3","5","6","1") = "5"
    & skf21("5","6","1","2","3","5","7","1") = "6"
    & skf21("5","6","1","2","3","6","1","1") = "5"
    & skf21("5","6","1","2","3","6","2","1") = "5"
    & skf21("5","6","1","2","3","6","3","1") = "5"
    & skf21("5","6","1","2","3","6","4","1") = "5"
    & skf21("5","6","1","2","3","6","5","1") = "5"
    & skf21("5","6","1","2","3","6","6","1") = "5"
    & skf21("5","6","1","2","3","6","7","1") = "6"
    & skf21("5","6","1","2","3","7","1","1") = "6"
    & skf21("5","6","1","2","3","7","2","1") = "6"
    & skf21("5","6","1","2","3","7","3","1") = "6"
    & skf21("5","6","1","2","3","7","4","1") = "6"
    & skf21("5","6","1","2","3","7","5","1") = "6"
    & skf21("5","6","1","2","3","7","6","1") = "6"
    & skf21("5","6","1","2","3","7","7","1") = "6"
    & skf21("5","6","1","2","4","1","1","1") = "5"
    & skf21("5","6","1","2","4","1","2","1") = "5"
    & skf21("5","6","1","2","4","1","3","1") = "5"
    & skf21("5","6","1","2","4","1","4","1") = "5"
    & skf21("5","6","1","2","4","1","5","1") = "5"
    & skf21("5","6","1","2","4","1","6","1") = "5"
    & skf21("5","6","1","2","4","1","7","1") = "6"
    & skf21("5","6","1","2","4","2","1","1") = "5"
    & skf21("5","6","1","2","4","2","2","1") = "5"
    & skf21("5","6","1","2","4","2","3","1") = "5"
    & skf21("5","6","1","2","4","2","4","1") = "5"
    & skf21("5","6","1","2","4","2","5","1") = "5"
    & skf21("5","6","1","2","4","2","6","1") = "5"
    & skf21("5","6","1","2","4","2","7","1") = "6"
    & skf21("5","6","1","2","4","3","1","1") = "5"
    & skf21("5","6","1","2","4","3","2","1") = "5"
    & skf21("5","6","1","2","4","3","3","1") = "5"
    & skf21("5","6","1","2","4","3","4","1") = "5"
    & skf21("5","6","1","2","4","3","5","1") = "5"
    & skf21("5","6","1","2","4","3","6","1") = "5"
    & skf21("5","6","1","2","4","3","7","1") = "6"
    & skf21("5","6","1","2","4","4","1","1") = "5"
    & skf21("5","6","1","2","4","4","2","1") = "5"
    & skf21("5","6","1","2","4","4","3","1") = "5"
    & skf21("5","6","1","2","4","4","4","1") = "5"
    & skf21("5","6","1","2","4","4","5","1") = "5"
    & skf21("5","6","1","2","4","4","6","1") = "5"
    & skf21("5","6","1","2","4","4","7","1") = "6"
    & skf21("5","6","1","2","4","5","1","1") = "5"
    & skf21("5","6","1","2","4","5","2","1") = "5"
    & skf21("5","6","1","2","4","5","3","1") = "5"
    & skf21("5","6","1","2","4","5","4","1") = "5"
    & skf21("5","6","1","2","4","5","5","1") = "5"
    & skf21("5","6","1","2","4","5","6","1") = "5"
    & skf21("5","6","1","2","4","5","7","1") = "6"
    & skf21("5","6","1","2","4","6","1","1") = "5"
    & skf21("5","6","1","2","4","6","2","1") = "5"
    & skf21("5","6","1","2","4","6","3","1") = "5"
    & skf21("5","6","1","2","4","6","4","1") = "5"
    & skf21("5","6","1","2","4","6","5","1") = "5"
    & skf21("5","6","1","2","4","6","6","1") = "5"
    & skf21("5","6","1","2","4","6","7","1") = "6"
    & skf21("5","6","1","2","4","7","1","1") = "6"
    & skf21("5","6","1","2","4","7","2","1") = "6"
    & skf21("5","6","1","2","4","7","3","1") = "6"
    & skf21("5","6","1","2","4","7","4","1") = "6"
    & skf21("5","6","1","2","4","7","5","1") = "6"
    & skf21("5","6","1","2","4","7","6","1") = "6"
    & skf21("5","6","1","2","4","7","7","1") = "6"
    & skf21("5","6","1","2","5","1","1","1") = "5"
    & skf21("5","6","1","2","5","1","2","1") = "5"
    & skf21("5","6","1","2","5","1","3","1") = "5"
    & skf21("5","6","1","2","5","1","4","1") = "5"
    & skf21("5","6","1","2","5","1","5","1") = "5"
    & skf21("5","6","1","2","5","1","6","1") = "5"
    & skf21("5","6","1","2","5","1","7","1") = "6"
    & skf21("5","6","1","2","5","2","1","1") = "5"
    & skf21("5","6","1","2","5","2","2","1") = "5"
    & skf21("5","6","1","2","5","2","3","1") = "5"
    & skf21("5","6","1","2","5","2","4","1") = "5"
    & skf21("5","6","1","2","5","2","5","1") = "5"
    & skf21("5","6","1","2","5","2","6","1") = "5"
    & skf21("5","6","1","2","5","2","7","1") = "6"
    & skf21("5","6","1","2","5","3","1","1") = "5"
    & skf21("5","6","1","2","5","3","2","1") = "5"
    & skf21("5","6","1","2","5","3","3","1") = "5"
    & skf21("5","6","1","2","5","3","4","1") = "5"
    & skf21("5","6","1","2","5","3","5","1") = "5"
    & skf21("5","6","1","2","5","3","6","1") = "5"
    & skf21("5","6","1","2","5","3","7","1") = "6"
    & skf21("5","6","1","2","5","4","1","1") = "5"
    & skf21("5","6","1","2","5","4","2","1") = "5"
    & skf21("5","6","1","2","5","4","3","1") = "5"
    & skf21("5","6","1","2","5","4","4","1") = "5"
    & skf21("5","6","1","2","5","4","5","1") = "5"
    & skf21("5","6","1","2","5","4","6","1") = "5"
    & skf21("5","6","1","2","5","4","7","1") = "6"
    & skf21("5","6","1","2","5","5","1","1") = "5"
    & skf21("5","6","1","2","5","5","2","1") = "5"
    & skf21("5","6","1","2","5","5","3","1") = "5"
    & skf21("5","6","1","2","5","5","4","1") = "5"
    & skf21("5","6","1","2","5","5","5","1") = "5"
    & skf21("5","6","1","2","5","5","6","1") = "5"
    & skf21("5","6","1","2","5","5","7","1") = "6"
    & skf21("5","6","1","2","5","6","1","1") = "5"
    & skf21("5","6","1","2","5","6","2","1") = "5"
    & skf21("5","6","1","2","5","6","3","1") = "5"
    & skf21("5","6","1","2","5","6","4","1") = "5"
    & skf21("5","6","1","2","5","6","5","1") = "5"
    & skf21("5","6","1","2","5","6","6","1") = "5"
    & skf21("5","6","1","2","5","6","7","1") = "6"
    & skf21("5","6","1","2","5","7","1","1") = "6"
    & skf21("5","6","1","2","5","7","2","1") = "6"
    & skf21("5","6","1","2","5","7","3","1") = "6"
    & skf21("5","6","1","2","5","7","4","1") = "6"
    & skf21("5","6","1","2","5","7","5","1") = "6"
    & skf21("5","6","1","2","5","7","6","1") = "6"
    & skf21("5","6","1","2","5","7","7","1") = "6"
    & skf21("5","6","1","2","6","1","1","1") = "5"
    & skf21("5","6","1","2","6","1","2","1") = "5"
    & skf21("5","6","1","2","6","1","3","1") = "5"
    & skf21("5","6","1","2","6","1","4","1") = "5"
    & skf21("5","6","1","2","6","1","5","1") = "5"
    & skf21("5","6","1","2","6","1","6","1") = "5"
    & skf21("5","6","1","2","6","1","7","1") = "6"
    & skf21("5","6","1","2","6","2","1","1") = "5"
    & skf21("5","6","1","2","6","2","2","1") = "5"
    & skf21("5","6","1","2","6","2","3","1") = "5"
    & skf21("5","6","1","2","6","2","4","1") = "5"
    & skf21("5","6","1","2","6","2","5","1") = "5"
    & skf21("5","6","1","2","6","2","6","1") = "5"
    & skf21("5","6","1","2","6","2","7","1") = "6"
    & skf21("5","6","1","2","6","3","1","1") = "5"
    & skf21("5","6","1","2","6","3","2","1") = "5"
    & skf21("5","6","1","2","6","3","3","1") = "5"
    & skf21("5","6","1","2","6","3","4","1") = "5"
    & skf21("5","6","1","2","6","3","5","1") = "5"
    & skf21("5","6","1","2","6","3","6","1") = "5"
    & skf21("5","6","1","2","6","3","7","1") = "6"
    & skf21("5","6","1","2","6","4","1","1") = "5"
    & skf21("5","6","1","2","6","4","2","1") = "5"
    & skf21("5","6","1","2","6","4","3","1") = "5"
    & skf21("5","6","1","2","6","4","4","1") = "5"
    & skf21("5","6","1","2","6","4","5","1") = "5"
    & skf21("5","6","1","2","6","4","6","1") = "5"
    & skf21("5","6","1","2","6","4","7","1") = "6"
    & skf21("5","6","1","2","6","5","1","1") = "5"
    & skf21("5","6","1","2","6","5","2","1") = "5"
    & skf21("5","6","1","2","6","5","3","1") = "5"
    & skf21("5","6","1","2","6","5","4","1") = "5"
    & skf21("5","6","1","2","6","5","5","1") = "5"
    & skf21("5","6","1","2","6","5","6","1") = "5"
    & skf21("5","6","1","2","6","5","7","1") = "6"
    & skf21("5","6","1","2","6","6","1","1") = "5"
    & skf21("5","6","1","2","6","6","2","1") = "5"
    & skf21("5","6","1","2","6","6","3","1") = "5"
    & skf21("5","6","1","2","6","6","4","1") = "5"
    & skf21("5","6","1","2","6","6","5","1") = "5"
    & skf21("5","6","1","2","6","6","6","1") = "5"
    & skf21("5","6","1","2","6","6","7","1") = "6"
    & skf21("5","6","1","2","6","7","1","1") = "6"
    & skf21("5","6","1","2","6","7","2","1") = "6"
    & skf21("5","6","1","2","6","7","3","1") = "6"
    & skf21("5","6","1","2","6","7","4","1") = "6"
    & skf21("5","6","1","2","6","7","5","1") = "6"
    & skf21("5","6","1","2","6","7","6","1") = "6"
    & skf21("5","6","1","2","6","7","7","1") = "6"
    & skf21("5","6","1","2","7","1","1","1") = "6"
    & skf21("5","6","1","2","7","1","2","1") = "6"
    & skf21("5","6","1","2","7","1","3","1") = "6"
    & skf21("5","6","1","2","7","1","4","1") = "6"
    & skf21("5","6","1","2","7","1","5","1") = "6"
    & skf21("5","6","1","2","7","1","6","1") = "6"
    & skf21("5","6","1","2","7","1","7","1") = "6"
    & skf21("5","6","1","2","7","2","1","1") = "6"
    & skf21("5","6","1","2","7","2","2","1") = "6"
    & skf21("5","6","1","2","7","2","3","1") = "6"
    & skf21("5","6","1","2","7","2","4","1") = "6"
    & skf21("5","6","1","2","7","2","5","1") = "6"
    & skf21("5","6","1","2","7","2","6","1") = "6"
    & skf21("5","6","1","2","7","2","7","1") = "6"
    & skf21("5","6","1","2","7","3","1","1") = "6"
    & skf21("5","6","1","2","7","3","2","1") = "6"
    & skf21("5","6","1","2","7","3","3","1") = "6"
    & skf21("5","6","1","2","7","3","4","1") = "6"
    & skf21("5","6","1","2","7","3","5","1") = "6"
    & skf21("5","6","1","2","7","3","6","1") = "6"
    & skf21("5","6","1","2","7","3","7","1") = "6"
    & skf21("5","6","1","2","7","4","1","1") = "6"
    & skf21("5","6","1","2","7","4","2","1") = "6"
    & skf21("5","6","1","2","7","4","3","1") = "6"
    & skf21("5","6","1","2","7","4","4","1") = "6"
    & skf21("5","6","1","2","7","4","5","1") = "6"
    & skf21("5","6","1","2","7","4","6","1") = "6"
    & skf21("5","6","1","2","7","4","7","1") = "6"
    & skf21("5","6","1","2","7","5","1","1") = "6"
    & skf21("5","6","1","2","7","5","2","1") = "6"
    & skf21("5","6","1","2","7","5","3","1") = "6"
    & skf21("5","6","1","2","7","5","4","1") = "6"
    & skf21("5","6","1","2","7","5","5","1") = "6"
    & skf21("5","6","1","2","7","5","6","1") = "6"
    & skf21("5","6","1","2","7","5","7","1") = "6"
    & skf21("5","6","1","2","7","6","1","1") = "6"
    & skf21("5","6","1","2","7","6","2","1") = "6"
    & skf21("5","6","1","2","7","6","3","1") = "6"
    & skf21("5","6","1","2","7","6","4","1") = "6"
    & skf21("5","6","1","2","7","6","5","1") = "6"
    & skf21("5","6","1","2","7","6","6","1") = "6"
    & skf21("5","6","1","2","7","6","7","1") = "6"
    & skf21("5","6","1","2","7","7","1","1") = "6"
    & skf21("5","6","1","2","7","7","2","1") = "6"
    & skf21("5","6","1","2","7","7","3","1") = "6"
    & skf21("5","6","1","2","7","7","4","1") = "6"
    & skf21("5","6","1","2","7","7","5","1") = "6"
    & skf21("5","6","1","2","7","7","6","1") = "6"
    & skf21("5","6","1","2","7","7","7","1") = "6"
    & skf21("5","6","1","3","1","1","1","1") = "5"
    & skf21("5","6","1","3","1","1","2","1") = "5"
    & skf21("5","6","1","3","1","1","3","1") = "5"
    & skf21("5","6","1","3","1","1","4","1") = "5"
    & skf21("5","6","1","3","1","1","5","1") = "5"
    & skf21("5","6","1","3","1","1","6","1") = "5"
    & skf21("5","6","1","3","1","1","7","1") = "6"
    & skf21("5","6","1","3","1","2","1","1") = "5"
    & skf21("5","6","1","3","1","2","2","1") = "5"
    & skf21("5","6","1","3","1","2","3","1") = "5"
    & skf21("5","6","1","3","1","2","4","1") = "5"
    & skf21("5","6","1","3","1","2","5","1") = "5"
    & skf21("5","6","1","3","1","2","6","1") = "5"
    & skf21("5","6","1","3","1","2","7","1") = "6"
    & skf21("5","6","1","3","1","3","1","1") = "5"
    & skf21("5","6","1","3","1","3","2","1") = "5"
    & skf21("5","6","1","3","1","3","3","1") = "5"
    & skf21("5","6","1","3","1","3","4","1") = "5"
    & skf21("5","6","1","3","1","3","5","1") = "5"
    & skf21("5","6","1","3","1","3","6","1") = "5"
    & skf21("5","6","1","3","1","3","7","1") = "6"
    & skf21("5","6","1","3","1","4","1","1") = "5"
    & skf21("5","6","1","3","1","4","2","1") = "5"
    & skf21("5","6","1","3","1","4","3","1") = "5"
    & skf21("5","6","1","3","1","4","4","1") = "5"
    & skf21("5","6","1","3","1","4","5","1") = "5"
    & skf21("5","6","1","3","1","4","6","1") = "5"
    & skf21("5","6","1","3","1","4","7","1") = "6"
    & skf21("5","6","1","3","1","5","1","1") = "5"
    & skf21("5","6","1","3","1","5","2","1") = "5"
    & skf21("5","6","1","3","1","5","3","1") = "5"
    & skf21("5","6","1","3","1","5","4","1") = "5"
    & skf21("5","6","1","3","1","5","5","1") = "5"
    & skf21("5","6","1","3","1","5","6","1") = "5"
    & skf21("5","6","1","3","1","5","7","1") = "6"
    & skf21("5","6","1","3","1","6","1","1") = "5"
    & skf21("5","6","1","3","1","6","2","1") = "5"
    & skf21("5","6","1","3","1","6","3","1") = "5"
    & skf21("5","6","1","3","1","6","4","1") = "5"
    & skf21("5","6","1","3","1","6","5","1") = "5"
    & skf21("5","6","1","3","1","6","6","1") = "5"
    & skf21("5","6","1","3","1","6","7","1") = "6"
    & skf21("5","6","1","3","1","7","1","1") = "6"
    & skf21("5","6","1","3","1","7","2","1") = "6"
    & skf21("5","6","1","3","1","7","3","1") = "6"
    & skf21("5","6","1","3","1","7","4","1") = "6"
    & skf21("5","6","1","3","1","7","5","1") = "6"
    & skf21("5","6","1","3","1","7","6","1") = "6"
    & skf21("5","6","1","3","1","7","7","1") = "6"
    & skf21("5","6","1","3","2","1","1","1") = "5"
    & skf21("5","6","1","3","2","1","2","1") = "5"
    & skf21("5","6","1","3","2","1","3","1") = "5"
    & skf21("5","6","1","3","2","1","4","1") = "5"
    & skf21("5","6","1","3","2","1","5","1") = "5"
    & skf21("5","6","1","3","2","1","6","1") = "5"
    & skf21("5","6","1","3","2","1","7","1") = "6"
    & skf21("5","6","1","3","2","2","1","1") = "5"
    & skf21("5","6","1","3","2","2","2","1") = "5"
    & skf21("5","6","1","3","2","2","3","1") = "5"
    & skf21("5","6","1","3","2","2","4","1") = "5"
    & skf21("5","6","1","3","2","2","5","1") = "5"
    & skf21("5","6","1","3","2","2","6","1") = "5"
    & skf21("5","6","1","3","2","2","7","1") = "6"
    & skf21("5","6","1","3","2","3","1","1") = "5"
    & skf21("5","6","1","3","2","3","2","1") = "5"
    & skf21("5","6","1","3","2","3","3","1") = "5"
    & skf21("5","6","1","3","2","3","4","1") = "5"
    & skf21("5","6","1","3","2","3","5","1") = "5"
    & skf21("5","6","1","3","2","3","6","1") = "5"
    & skf21("5","6","1","3","2","3","7","1") = "6"
    & skf21("5","6","1","3","2","4","1","1") = "5"
    & skf21("5","6","1","3","2","4","2","1") = "5"
    & skf21("5","6","1","3","2","4","3","1") = "5"
    & skf21("5","6","1","3","2","4","4","1") = "5"
    & skf21("5","6","1","3","2","4","5","1") = "5"
    & skf21("5","6","1","3","2","4","6","1") = "5"
    & skf21("5","6","1","3","2","4","7","1") = "6"
    & skf21("5","6","1","3","2","5","1","1") = "5"
    & skf21("5","6","1","3","2","5","2","1") = "5"
    & skf21("5","6","1","3","2","5","3","1") = "5"
    & skf21("5","6","1","3","2","5","4","1") = "5"
    & skf21("5","6","1","3","2","5","5","1") = "5"
    & skf21("5","6","1","3","2","5","6","1") = "5"
    & skf21("5","6","1","3","2","5","7","1") = "6"
    & skf21("5","6","1","3","2","6","1","1") = "5"
    & skf21("5","6","1","3","2","6","2","1") = "5"
    & skf21("5","6","1","3","2","6","3","1") = "5"
    & skf21("5","6","1","3","2","6","4","1") = "5"
    & skf21("5","6","1","3","2","6","5","1") = "5"
    & skf21("5","6","1","3","2","6","6","1") = "5"
    & skf21("5","6","1","3","2","6","7","1") = "6"
    & skf21("5","6","1","3","2","7","1","1") = "6"
    & skf21("5","6","1","3","2","7","2","1") = "6"
    & skf21("5","6","1","3","2","7","3","1") = "6"
    & skf21("5","6","1","3","2","7","4","1") = "6"
    & skf21("5","6","1","3","2","7","5","1") = "6"
    & skf21("5","6","1","3","2","7","6","1") = "6"
    & skf21("5","6","1","3","2","7","7","1") = "6"
    & skf21("5","6","1","3","3","1","1","1") = "5"
    & skf21("5","6","1","3","3","1","2","1") = "5"
    & skf21("5","6","1","3","3","1","3","1") = "5"
    & skf21("5","6","1","3","3","1","4","1") = "5"
    & skf21("5","6","1","3","3","1","5","1") = "5"
    & skf21("5","6","1","3","3","1","6","1") = "5"
    & skf21("5","6","1","3","3","1","7","1") = "6"
    & skf21("5","6","1","3","3","2","1","1") = "5"
    & skf21("5","6","1","3","3","2","2","1") = "5"
    & skf21("5","6","1","3","3","2","3","1") = "5"
    & skf21("5","6","1","3","3","2","4","1") = "5"
    & skf21("5","6","1","3","3","2","5","1") = "5"
    & skf21("5","6","1","3","3","2","6","1") = "5"
    & skf21("5","6","1","3","3","2","7","1") = "6"
    & skf21("5","6","1","3","3","3","1","1") = "5"
    & skf21("5","6","1","3","3","3","2","1") = "5"
    & skf21("5","6","1","3","3","3","3","1") = "5"
    & skf21("5","6","1","3","3","3","4","1") = "5"
    & skf21("5","6","1","3","3","3","5","1") = "5"
    & skf21("5","6","1","3","3","3","6","1") = "5"
    & skf21("5","6","1","3","3","3","7","1") = "6"
    & skf21("5","6","1","3","3","4","1","1") = "5"
    & skf21("5","6","1","3","3","4","2","1") = "5"
    & skf21("5","6","1","3","3","4","3","1") = "5"
    & skf21("5","6","1","3","3","4","4","1") = "5"
    & skf21("5","6","1","3","3","4","5","1") = "5"
    & skf21("5","6","1","3","3","4","6","1") = "5"
    & skf21("5","6","1","3","3","4","7","1") = "6"
    & skf21("5","6","1","3","3","5","1","1") = "5"
    & skf21("5","6","1","3","3","5","2","1") = "5"
    & skf21("5","6","1","3","3","5","3","1") = "5"
    & skf21("5","6","1","3","3","5","4","1") = "5"
    & skf21("5","6","1","3","3","5","5","1") = "5"
    & skf21("5","6","1","3","3","5","6","1") = "5"
    & skf21("5","6","1","3","3","5","7","1") = "6"
    & skf21("5","6","1","3","3","6","1","1") = "5"
    & skf21("5","6","1","3","3","6","2","1") = "5"
    & skf21("5","6","1","3","3","6","3","1") = "5"
    & skf21("5","6","1","3","3","6","4","1") = "5"
    & skf21("5","6","1","3","3","6","5","1") = "5"
    & skf21("5","6","1","3","3","6","6","1") = "5"
    & skf21("5","6","1","3","3","6","7","1") = "6"
    & skf21("5","6","1","3","3","7","1","1") = "6"
    & skf21("5","6","1","3","3","7","2","1") = "6"
    & skf21("5","6","1","3","3","7","3","1") = "6"
    & skf21("5","6","1","3","3","7","4","1") = "6"
    & skf21("5","6","1","3","3","7","5","1") = "6"
    & skf21("5","6","1","3","3","7","6","1") = "6"
    & skf21("5","6","1","3","3","7","7","1") = "6"
    & skf21("5","6","1","3","4","1","1","1") = "5"
    & skf21("5","6","1","3","4","1","2","1") = "5"
    & skf21("5","6","1","3","4","1","3","1") = "5"
    & skf21("5","6","1","3","4","1","4","1") = "5"
    & skf21("5","6","1","3","4","1","5","1") = "5"
    & skf21("5","6","1","3","4","1","6","1") = "5"
    & skf21("5","6","1","3","4","1","7","1") = "6"
    & skf21("5","6","1","3","4","2","1","1") = "5"
    & skf21("5","6","1","3","4","2","2","1") = "5"
    & skf21("5","6","1","3","4","2","3","1") = "5"
    & skf21("5","6","1","3","4","2","4","1") = "5"
    & skf21("5","6","1","3","4","2","5","1") = "5"
    & skf21("5","6","1","3","4","2","6","1") = "5"
    & skf21("5","6","1","3","4","2","7","1") = "6"
    & skf21("5","6","1","3","4","3","1","1") = "5"
    & skf21("5","6","1","3","4","3","2","1") = "5"
    & skf21("5","6","1","3","4","3","3","1") = "5"
    & skf21("5","6","1","3","4","3","4","1") = "5"
    & skf21("5","6","1","3","4","3","5","1") = "5"
    & skf21("5","6","1","3","4","3","6","1") = "5"
    & skf21("5","6","1","3","4","3","7","1") = "6"
    & skf21("5","6","1","3","4","4","1","1") = "5"
    & skf21("5","6","1","3","4","4","2","1") = "5"
    & skf21("5","6","1","3","4","4","3","1") = "5"
    & skf21("5","6","1","3","4","4","4","1") = "5"
    & skf21("5","6","1","3","4","4","5","1") = "5"
    & skf21("5","6","1","3","4","4","6","1") = "5"
    & skf21("5","6","1","3","4","4","7","1") = "6"
    & skf21("5","6","1","3","4","5","1","1") = "5"
    & skf21("5","6","1","3","4","5","2","1") = "5"
    & skf21("5","6","1","3","4","5","3","1") = "5"
    & skf21("5","6","1","3","4","5","4","1") = "5"
    & skf21("5","6","1","3","4","5","5","1") = "5"
    & skf21("5","6","1","3","4","5","6","1") = "5"
    & skf21("5","6","1","3","4","5","7","1") = "6"
    & skf21("5","6","1","3","4","6","1","1") = "5"
    & skf21("5","6","1","3","4","6","2","1") = "5"
    & skf21("5","6","1","3","4","6","3","1") = "5"
    & skf21("5","6","1","3","4","6","4","1") = "5"
    & skf21("5","6","1","3","4","6","5","1") = "5"
    & skf21("5","6","1","3","4","6","6","1") = "5"
    & skf21("5","6","1","3","4","6","7","1") = "6"
    & skf21("5","6","1","3","4","7","1","1") = "6"
    & skf21("5","6","1","3","4","7","2","1") = "6"
    & skf21("5","6","1","3","4","7","3","1") = "6"
    & skf21("5","6","1","3","4","7","4","1") = "6"
    & skf21("5","6","1","3","4","7","5","1") = "6"
    & skf21("5","6","1","3","4","7","6","1") = "6"
    & skf21("5","6","1","3","4","7","7","1") = "6"
    & skf21("5","6","1","3","5","1","1","1") = "5"
    & skf21("5","6","1","3","5","1","2","1") = "5"
    & skf21("5","6","1","3","5","1","3","1") = "5"
    & skf21("5","6","1","3","5","1","4","1") = "5"
    & skf21("5","6","1","3","5","1","5","1") = "5"
    & skf21("5","6","1","3","5","1","6","1") = "5"
    & skf21("5","6","1","3","5","1","7","1") = "6"
    & skf21("5","6","1","3","5","2","1","1") = "5"
    & skf21("5","6","1","3","5","2","2","1") = "5"
    & skf21("5","6","1","3","5","2","3","1") = "5"
    & skf21("5","6","1","3","5","2","4","1") = "5"
    & skf21("5","6","1","3","5","2","5","1") = "5"
    & skf21("5","6","1","3","5","2","6","1") = "5"
    & skf21("5","6","1","3","5","2","7","1") = "6"
    & skf21("5","6","1","3","5","3","1","1") = "5"
    & skf21("5","6","1","3","5","3","2","1") = "5"
    & skf21("5","6","1","3","5","3","3","1") = "5"
    & skf21("5","6","1","3","5","3","4","1") = "5"
    & skf21("5","6","1","3","5","3","5","1") = "5"
    & skf21("5","6","1","3","5","3","6","1") = "5"
    & skf21("5","6","1","3","5","3","7","1") = "6"
    & skf21("5","6","1","3","5","4","1","1") = "5"
    & skf21("5","6","1","3","5","4","2","1") = "5"
    & skf21("5","6","1","3","5","4","3","1") = "5"
    & skf21("5","6","1","3","5","4","4","1") = "5"
    & skf21("5","6","1","3","5","4","5","1") = "5"
    & skf21("5","6","1","3","5","4","6","1") = "5"
    & skf21("5","6","1","3","5","4","7","1") = "6"
    & skf21("5","6","1","3","5","5","1","1") = "5"
    & skf21("5","6","1","3","5","5","2","1") = "5"
    & skf21("5","6","1","3","5","5","3","1") = "5"
    & skf21("5","6","1","3","5","5","4","1") = "5"
    & skf21("5","6","1","3","5","5","5","1") = "5"
    & skf21("5","6","1","3","5","5","6","1") = "5"
    & skf21("5","6","1","3","5","5","7","1") = "6"
    & skf21("5","6","1","3","5","6","1","1") = "5"
    & skf21("5","6","1","3","5","6","2","1") = "5"
    & skf21("5","6","1","3","5","6","3","1") = "5"
    & skf21("5","6","1","3","5","6","4","1") = "5"
    & skf21("5","6","1","3","5","6","5","1") = "5"
    & skf21("5","6","1","3","5","6","6","1") = "5"
    & skf21("5","6","1","3","5","6","7","1") = "6"
    & skf21("5","6","1","3","5","7","1","1") = "6"
    & skf21("5","6","1","3","5","7","2","1") = "6"
    & skf21("5","6","1","3","5","7","3","1") = "6"
    & skf21("5","6","1","3","5","7","4","1") = "6"
    & skf21("5","6","1","3","5","7","5","1") = "6"
    & skf21("5","6","1","3","5","7","6","1") = "6"
    & skf21("5","6","1","3","5","7","7","1") = "6"
    & skf21("5","6","1","3","6","1","1","1") = "5"
    & skf21("5","6","1","3","6","1","2","1") = "5"
    & skf21("5","6","1","3","6","1","3","1") = "5"
    & skf21("5","6","1","3","6","1","4","1") = "5"
    & skf21("5","6","1","3","6","1","5","1") = "5"
    & skf21("5","6","1","3","6","1","6","1") = "5"
    & skf21("5","6","1","3","6","1","7","1") = "6"
    & skf21("5","6","1","3","6","2","1","1") = "5"
    & skf21("5","6","1","3","6","2","2","1") = "5"
    & skf21("5","6","1","3","6","2","3","1") = "5"
    & skf21("5","6","1","3","6","2","4","1") = "5"
    & skf21("5","6","1","3","6","2","5","1") = "5"
    & skf21("5","6","1","3","6","2","6","1") = "5"
    & skf21("5","6","1","3","6","2","7","1") = "6"
    & skf21("5","6","1","3","6","3","1","1") = "5"
    & skf21("5","6","1","3","6","3","2","1") = "5"
    & skf21("5","6","1","3","6","3","3","1") = "5"
    & skf21("5","6","1","3","6","3","4","1") = "5"
    & skf21("5","6","1","3","6","3","5","1") = "5"
    & skf21("5","6","1","3","6","3","6","1") = "5"
    & skf21("5","6","1","3","6","3","7","1") = "6"
    & skf21("5","6","1","3","6","4","1","1") = "5"
    & skf21("5","6","1","3","6","4","2","1") = "5"
    & skf21("5","6","1","3","6","4","3","1") = "5"
    & skf21("5","6","1","3","6","4","4","1") = "5"
    & skf21("5","6","1","3","6","4","5","1") = "5"
    & skf21("5","6","1","3","6","4","6","1") = "5"
    & skf21("5","6","1","3","6","4","7","1") = "6"
    & skf21("5","6","1","3","6","5","1","1") = "5"
    & skf21("5","6","1","3","6","5","2","1") = "5"
    & skf21("5","6","1","3","6","5","3","1") = "5"
    & skf21("5","6","1","3","6","5","4","1") = "5"
    & skf21("5","6","1","3","6","5","5","1") = "5"
    & skf21("5","6","1","3","6","5","6","1") = "5"
    & skf21("5","6","1","3","6","5","7","1") = "6"
    & skf21("5","6","1","3","6","6","1","1") = "5"
    & skf21("5","6","1","3","6","6","2","1") = "5"
    & skf21("5","6","1","3","6","6","3","1") = "5"
    & skf21("5","6","1","3","6","6","4","1") = "5"
    & skf21("5","6","1","3","6","6","5","1") = "5"
    & skf21("5","6","1","3","6","6","6","1") = "5"
    & skf21("5","6","1","3","6","6","7","1") = "6"
    & skf21("5","6","1","3","6","7","1","1") = "6"
    & skf21("5","6","1","3","6","7","2","1") = "6"
    & skf21("5","6","1","3","6","7","3","1") = "6"
    & skf21("5","6","1","3","6","7","4","1") = "6"
    & skf21("5","6","1","3","6","7","5","1") = "6"
    & skf21("5","6","1","3","6","7","6","1") = "6"
    & skf21("5","6","1","3","6","7","7","1") = "6"
    & skf21("5","6","1","3","7","1","1","1") = "6"
    & skf21("5","6","1","3","7","1","2","1") = "6"
    & skf21("5","6","1","3","7","1","3","1") = "6"
    & skf21("5","6","1","3","7","1","4","1") = "6"
    & skf21("5","6","1","3","7","1","5","1") = "6"
    & skf21("5","6","1","3","7","1","6","1") = "6"
    & skf21("5","6","1","3","7","1","7","1") = "6"
    & skf21("5","6","1","3","7","2","1","1") = "6"
    & skf21("5","6","1","3","7","2","2","1") = "6"
    & skf21("5","6","1","3","7","2","3","1") = "6"
    & skf21("5","6","1","3","7","2","4","1") = "6"
    & skf21("5","6","1","3","7","2","5","1") = "6"
    & skf21("5","6","1","3","7","2","6","1") = "6"
    & skf21("5","6","1","3","7","2","7","1") = "6"
    & skf21("5","6","1","3","7","3","1","1") = "6"
    & skf21("5","6","1","3","7","3","2","1") = "6"
    & skf21("5","6","1","3","7","3","3","1") = "6"
    & skf21("5","6","1","3","7","3","4","1") = "6"
    & skf21("5","6","1","3","7","3","5","1") = "6"
    & skf21("5","6","1","3","7","3","6","1") = "6"
    & skf21("5","6","1","3","7","3","7","1") = "6"
    & skf21("5","6","1","3","7","4","1","1") = "6"
    & skf21("5","6","1","3","7","4","2","1") = "6"
    & skf21("5","6","1","3","7","4","3","1") = "6"
    & skf21("5","6","1","3","7","4","4","1") = "6"
    & skf21("5","6","1","3","7","4","5","1") = "6"
    & skf21("5","6","1","3","7","4","6","1") = "6"
    & skf21("5","6","1","3","7","4","7","1") = "6"
    & skf21("5","6","1","3","7","5","1","1") = "6"
    & skf21("5","6","1","3","7","5","2","1") = "6"
    & skf21("5","6","1","3","7","5","3","1") = "6"
    & skf21("5","6","1","3","7","5","4","1") = "6"
    & skf21("5","6","1","3","7","5","5","1") = "6"
    & skf21("5","6","1","3","7","5","6","1") = "6"
    & skf21("5","6","1","3","7","5","7","1") = "6"
    & skf21("5","6","1","3","7","6","1","1") = "6"
    & skf21("5","6","1","3","7","6","2","1") = "6"
    & skf21("5","6","1","3","7","6","3","1") = "6"
    & skf21("5","6","1","3","7","6","4","1") = "6"
    & skf21("5","6","1","3","7","6","5","1") = "6"
    & skf21("5","6","1","3","7","6","6","1") = "6"
    & skf21("5","6","1","3","7","6","7","1") = "6"
    & skf21("5","6","1","3","7","7","1","1") = "6"
    & skf21("5","6","1","3","7","7","2","1") = "6"
    & skf21("5","6","1","3","7","7","3","1") = "6"
    & skf21("5","6","1","3","7","7","4","1") = "6"
    & skf21("5","6","1","3","7","7","5","1") = "6"
    & skf21("5","6","1","3","7","7","6","1") = "6"
    & skf21("5","6","1","3","7","7","7","1") = "6"
    & skf21("5","6","1","4","1","1","1","1") = "5"
    & skf21("5","6","1","4","1","1","2","1") = "5"
    & skf21("5","6","1","4","1","1","3","1") = "5"
    & skf21("5","6","1","4","1","1","4","1") = "5"
    & skf21("5","6","1","4","1","1","5","1") = "5"
    & skf21("5","6","1","4","1","1","6","1") = "5"
    & skf21("5","6","1","4","1","1","7","1") = "6"
    & skf21("5","6","1","4","1","2","1","1") = "5"
    & skf21("5","6","1","4","1","2","2","1") = "5"
    & skf21("5","6","1","4","1","2","3","1") = "5"
    & skf21("5","6","1","4","1","2","4","1") = "5"
    & skf21("5","6","1","4","1","2","5","1") = "5"
    & skf21("5","6","1","4","1","2","6","1") = "5"
    & skf21("5","6","1","4","1","2","7","1") = "6"
    & skf21("5","6","1","4","1","3","1","1") = "5"
    & skf21("5","6","1","4","1","3","2","1") = "5"
    & skf21("5","6","1","4","1","3","3","1") = "5"
    & skf21("5","6","1","4","1","3","4","1") = "5"
    & skf21("5","6","1","4","1","3","5","1") = "5"
    & skf21("5","6","1","4","1","3","6","1") = "5"
    & skf21("5","6","1","4","1","3","7","1") = "6"
    & skf21("5","6","1","4","1","4","1","1") = "5"
    & skf21("5","6","1","4","1","4","2","1") = "5"
    & skf21("5","6","1","4","1","4","3","1") = "5"
    & skf21("5","6","1","4","1","4","4","1") = "5"
    & skf21("5","6","1","4","1","4","5","1") = "5"
    & skf21("5","6","1","4","1","4","6","1") = "5"
    & skf21("5","6","1","4","1","4","7","1") = "6"
    & skf21("5","6","1","4","1","5","1","1") = "5"
    & skf21("5","6","1","4","1","5","2","1") = "5"
    & skf21("5","6","1","4","1","5","3","1") = "5"
    & skf21("5","6","1","4","1","5","4","1") = "5"
    & skf21("5","6","1","4","1","5","5","1") = "5"
    & skf21("5","6","1","4","1","5","6","1") = "5"
    & skf21("5","6","1","4","1","5","7","1") = "6"
    & skf21("5","6","1","4","1","6","1","1") = "5"
    & skf21("5","6","1","4","1","6","2","1") = "5"
    & skf21("5","6","1","4","1","6","3","1") = "5"
    & skf21("5","6","1","4","1","6","4","1") = "5"
    & skf21("5","6","1","4","1","6","5","1") = "5"
    & skf21("5","6","1","4","1","6","6","1") = "5"
    & skf21("5","6","1","4","1","6","7","1") = "6"
    & skf21("5","6","1","4","1","7","1","1") = "6"
    & skf21("5","6","1","4","1","7","2","1") = "6"
    & skf21("5","6","1","4","1","7","3","1") = "6"
    & skf21("5","6","1","4","1","7","4","1") = "6"
    & skf21("5","6","1","4","1","7","5","1") = "6"
    & skf21("5","6","1","4","1","7","6","1") = "6"
    & skf21("5","6","1","4","1","7","7","1") = "6"
    & skf21("5","6","1","4","2","1","1","1") = "5"
    & skf21("5","6","1","4","2","1","2","1") = "5"
    & skf21("5","6","1","4","2","1","3","1") = "5"
    & skf21("5","6","1","4","2","1","4","1") = "5"
    & skf21("5","6","1","4","2","1","5","1") = "5"
    & skf21("5","6","1","4","2","1","6","1") = "5"
    & skf21("5","6","1","4","2","1","7","1") = "6"
    & skf21("5","6","1","4","2","2","1","1") = "5"
    & skf21("5","6","1","4","2","2","2","1") = "5"
    & skf21("5","6","1","4","2","2","3","1") = "5"
    & skf21("5","6","1","4","2","2","4","1") = "5"
    & skf21("5","6","1","4","2","2","5","1") = "5"
    & skf21("5","6","1","4","2","2","6","1") = "5"
    & skf21("5","6","1","4","2","2","7","1") = "6"
    & skf21("5","6","1","4","2","3","1","1") = "5"
    & skf21("5","6","1","4","2","3","2","1") = "5"
    & skf21("5","6","1","4","2","3","3","1") = "5"
    & skf21("5","6","1","4","2","3","4","1") = "5"
    & skf21("5","6","1","4","2","3","5","1") = "5"
    & skf21("5","6","1","4","2","3","6","1") = "5"
    & skf21("5","6","1","4","2","3","7","1") = "6"
    & skf21("5","6","1","4","2","4","1","1") = "5"
    & skf21("5","6","1","4","2","4","2","1") = "5"
    & skf21("5","6","1","4","2","4","3","1") = "5"
    & skf21("5","6","1","4","2","4","4","1") = "5"
    & skf21("5","6","1","4","2","4","5","1") = "5"
    & skf21("5","6","1","4","2","4","6","1") = "5"
    & skf21("5","6","1","4","2","4","7","1") = "6"
    & skf21("5","6","1","4","2","5","1","1") = "5"
    & skf21("5","6","1","4","2","5","2","1") = "5"
    & skf21("5","6","1","4","2","5","3","1") = "5"
    & skf21("5","6","1","4","2","5","4","1") = "5"
    & skf21("5","6","1","4","2","5","5","1") = "5"
    & skf21("5","6","1","4","2","5","6","1") = "5"
    & skf21("5","6","1","4","2","5","7","1") = "6"
    & skf21("5","6","1","4","2","6","1","1") = "5"
    & skf21("5","6","1","4","2","6","2","1") = "5"
    & skf21("5","6","1","4","2","6","3","1") = "5"
    & skf21("5","6","1","4","2","6","4","1") = "5"
    & skf21("5","6","1","4","2","6","5","1") = "5"
    & skf21("5","6","1","4","2","6","6","1") = "5"
    & skf21("5","6","1","4","2","6","7","1") = "6"
    & skf21("5","6","1","4","2","7","1","1") = "6"
    & skf21("5","6","1","4","2","7","2","1") = "6"
    & skf21("5","6","1","4","2","7","3","1") = "6"
    & skf21("5","6","1","4","2","7","4","1") = "6"
    & skf21("5","6","1","4","2","7","5","1") = "6"
    & skf21("5","6","1","4","2","7","6","1") = "6"
    & skf21("5","6","1","4","2","7","7","1") = "6"
    & skf21("5","6","1","4","3","1","1","1") = "5"
    & skf21("5","6","1","4","3","1","2","1") = "5"
    & skf21("5","6","1","4","3","1","3","1") = "5"
    & skf21("5","6","1","4","3","1","4","1") = "5"
    & skf21("5","6","1","4","3","1","5","1") = "5"
    & skf21("5","6","1","4","3","1","6","1") = "5"
    & skf21("5","6","1","4","3","1","7","1") = "6"
    & skf21("5","6","1","4","3","2","1","1") = "5"
    & skf21("5","6","1","4","3","2","2","1") = "5"
    & skf21("5","6","1","4","3","2","3","1") = "5"
    & skf21("5","6","1","4","3","2","4","1") = "5"
    & skf21("5","6","1","4","3","2","5","1") = "5"
    & skf21("5","6","1","4","3","2","6","1") = "5"
    & skf21("5","6","1","4","3","2","7","1") = "6"
    & skf21("5","6","1","4","3","3","1","1") = "5"
    & skf21("5","6","1","4","3","3","2","1") = "5"
    & skf21("5","6","1","4","3","3","3","1") = "5"
    & skf21("5","6","1","4","3","3","4","1") = "5"
    & skf21("5","6","1","4","3","3","5","1") = "5"
    & skf21("5","6","1","4","3","3","6","1") = "5"
    & skf21("5","6","1","4","3","3","7","1") = "6"
    & skf21("5","6","1","4","3","4","1","1") = "5"
    & skf21("5","6","1","4","3","4","2","1") = "5"
    & skf21("5","6","1","4","3","4","3","1") = "5"
    & skf21("5","6","1","4","3","4","4","1") = "5"
    & skf21("5","6","1","4","3","4","5","1") = "5"
    & skf21("5","6","1","4","3","4","6","1") = "5"
    & skf21("5","6","1","4","3","4","7","1") = "6"
    & skf21("5","6","1","4","3","5","1","1") = "5"
    & skf21("5","6","1","4","3","5","2","1") = "5"
    & skf21("5","6","1","4","3","5","3","1") = "5"
    & skf21("5","6","1","4","3","5","4","1") = "5"
    & skf21("5","6","1","4","3","5","5","1") = "5"
    & skf21("5","6","1","4","3","5","6","1") = "5"
    & skf21("5","6","1","4","3","5","7","1") = "6"
    & skf21("5","6","1","4","3","6","1","1") = "5"
    & skf21("5","6","1","4","3","6","2","1") = "5"
    & skf21("5","6","1","4","3","6","3","1") = "5"
    & skf21("5","6","1","4","3","6","4","1") = "5"
    & skf21("5","6","1","4","3","6","5","1") = "5"
    & skf21("5","6","1","4","3","6","6","1") = "5"
    & skf21("5","6","1","4","3","6","7","1") = "6"
    & skf21("5","6","1","4","3","7","1","1") = "6"
    & skf21("5","6","1","4","3","7","2","1") = "6"
    & skf21("5","6","1","4","3","7","3","1") = "6"
    & skf21("5","6","1","4","3","7","4","1") = "6"
    & skf21("5","6","1","4","3","7","5","1") = "6"
    & skf21("5","6","1","4","3","7","6","1") = "6"
    & skf21("5","6","1","4","3","7","7","1") = "6"
    & skf21("5","6","1","4","4","1","1","1") = "5"
    & skf21("5","6","1","4","4","1","2","1") = "5"
    & skf21("5","6","1","4","4","1","3","1") = "5"
    & skf21("5","6","1","4","4","1","4","1") = "5"
    & skf21("5","6","1","4","4","1","5","1") = "5"
    & skf21("5","6","1","4","4","1","6","1") = "5"
    & skf21("5","6","1","4","4","1","7","1") = "6"
    & skf21("5","6","1","4","4","2","1","1") = "5"
    & skf21("5","6","1","4","4","2","2","1") = "5"
    & skf21("5","6","1","4","4","2","3","1") = "5"
    & skf21("5","6","1","4","4","2","4","1") = "5"
    & skf21("5","6","1","4","4","2","5","1") = "5"
    & skf21("5","6","1","4","4","2","6","1") = "5"
    & skf21("5","6","1","4","4","2","7","1") = "6"
    & skf21("5","6","1","4","4","3","1","1") = "5"
    & skf21("5","6","1","4","4","3","2","1") = "5"
    & skf21("5","6","1","4","4","3","3","1") = "5"
    & skf21("5","6","1","4","4","3","4","1") = "5"
    & skf21("5","6","1","4","4","3","5","1") = "5"
    & skf21("5","6","1","4","4","3","6","1") = "5"
    & skf21("5","6","1","4","4","3","7","1") = "6"
    & skf21("5","6","1","4","4","4","1","1") = "5"
    & skf21("5","6","1","4","4","4","2","1") = "5"
    & skf21("5","6","1","4","4","4","3","1") = "5"
    & skf21("5","6","1","4","4","4","4","1") = "5"
    & skf21("5","6","1","4","4","4","5","1") = "5"
    & skf21("5","6","1","4","4","4","6","1") = "5"
    & skf21("5","6","1","4","4","4","7","1") = "6"
    & skf21("5","6","1","4","4","5","1","1") = "5"
    & skf21("5","6","1","4","4","5","2","1") = "5"
    & skf21("5","6","1","4","4","5","3","1") = "5"
    & skf21("5","6","1","4","4","5","4","1") = "5"
    & skf21("5","6","1","4","4","5","5","1") = "5"
    & skf21("5","6","1","4","4","5","6","1") = "5"
    & skf21("5","6","1","4","4","5","7","1") = "6"
    & skf21("5","6","1","4","4","6","1","1") = "5"
    & skf21("5","6","1","4","4","6","2","1") = "5"
    & skf21("5","6","1","4","4","6","3","1") = "5"
    & skf21("5","6","1","4","4","6","4","1") = "5"
    & skf21("5","6","1","4","4","6","5","1") = "5"
    & skf21("5","6","1","4","4","6","6","1") = "5"
    & skf21("5","6","1","4","4","6","7","1") = "6"
    & skf21("5","6","1","4","4","7","1","1") = "6"
    & skf21("5","6","1","4","4","7","2","1") = "6"
    & skf21("5","6","1","4","4","7","3","1") = "6"
    & skf21("5","6","1","4","4","7","4","1") = "6"
    & skf21("5","6","1","4","4","7","5","1") = "6"
    & skf21("5","6","1","4","4","7","6","1") = "6"
    & skf21("5","6","1","4","4","7","7","1") = "6"
    & skf21("5","6","1","4","5","1","1","1") = "5"
    & skf21("5","6","1","4","5","1","2","1") = "5"
    & skf21("5","6","1","4","5","1","3","1") = "5"
    & skf21("5","6","1","4","5","1","4","1") = "5"
    & skf21("5","6","1","4","5","1","5","1") = "5"
    & skf21("5","6","1","4","5","1","6","1") = "5"
    & skf21("5","6","1","4","5","1","7","1") = "6"
    & skf21("5","6","1","4","5","2","1","1") = "5"
    & skf21("5","6","1","4","5","2","2","1") = "5"
    & skf21("5","6","1","4","5","2","3","1") = "5"
    & skf21("5","6","1","4","5","2","4","1") = "5"
    & skf21("5","6","1","4","5","2","5","1") = "5"
    & skf21("5","6","1","4","5","2","6","1") = "5"
    & skf21("5","6","1","4","5","2","7","1") = "6"
    & skf21("5","6","1","4","5","3","1","1") = "5"
    & skf21("5","6","1","4","5","3","2","1") = "5"
    & skf21("5","6","1","4","5","3","3","1") = "5"
    & skf21("5","6","1","4","5","3","4","1") = "5"
    & skf21("5","6","1","4","5","3","5","1") = "5"
    & skf21("5","6","1","4","5","3","6","1") = "5"
    & skf21("5","6","1","4","5","3","7","1") = "6"
    & skf21("5","6","1","4","5","4","1","1") = "5"
    & skf21("5","6","1","4","5","4","2","1") = "5"
    & skf21("5","6","1","4","5","4","3","1") = "5"
    & skf21("5","6","1","4","5","4","4","1") = "5"
    & skf21("5","6","1","4","5","4","5","1") = "5"
    & skf21("5","6","1","4","5","4","6","1") = "5"
    & skf21("5","6","1","4","5","4","7","1") = "6"
    & skf21("5","6","1","4","5","5","1","1") = "5"
    & skf21("5","6","1","4","5","5","2","1") = "5"
    & skf21("5","6","1","4","5","5","3","1") = "5"
    & skf21("5","6","1","4","5","5","4","1") = "5"
    & skf21("5","6","1","4","5","5","5","1") = "5"
    & skf21("5","6","1","4","5","5","6","1") = "5"
    & skf21("5","6","1","4","5","5","7","1") = "6"
    & skf21("5","6","1","4","5","6","1","1") = "5"
    & skf21("5","6","1","4","5","6","2","1") = "5"
    & skf21("5","6","1","4","5","6","3","1") = "5"
    & skf21("5","6","1","4","5","6","4","1") = "5"
    & skf21("5","6","1","4","5","6","5","1") = "5"
    & skf21("5","6","1","4","5","6","6","1") = "5"
    & skf21("5","6","1","4","5","6","7","1") = "6"
    & skf21("5","6","1","4","5","7","1","1") = "6"
    & skf21("5","6","1","4","5","7","2","1") = "6"
    & skf21("5","6","1","4","5","7","3","1") = "6"
    & skf21("5","6","1","4","5","7","4","1") = "6"
    & skf21("5","6","1","4","5","7","5","1") = "6"
    & skf21("5","6","1","4","5","7","6","1") = "6"
    & skf21("5","6","1","4","5","7","7","1") = "6"
    & skf21("5","6","1","4","6","1","1","1") = "5"
    & skf21("5","6","1","4","6","1","2","1") = "5"
    & skf21("5","6","1","4","6","1","3","1") = "5"
    & skf21("5","6","1","4","6","1","4","1") = "5"
    & skf21("5","6","1","4","6","1","5","1") = "5"
    & skf21("5","6","1","4","6","1","6","1") = "5"
    & skf21("5","6","1","4","6","1","7","1") = "6"
    & skf21("5","6","1","4","6","2","1","1") = "5"
    & skf21("5","6","1","4","6","2","2","1") = "5"
    & skf21("5","6","1","4","6","2","3","1") = "5"
    & skf21("5","6","1","4","6","2","4","1") = "5"
    & skf21("5","6","1","4","6","2","5","1") = "5"
    & skf21("5","6","1","4","6","2","6","1") = "5"
    & skf21("5","6","1","4","6","2","7","1") = "6"
    & skf21("5","6","1","4","6","3","1","1") = "5"
    & skf21("5","6","1","4","6","3","2","1") = "5"
    & skf21("5","6","1","4","6","3","3","1") = "5"
    & skf21("5","6","1","4","6","3","4","1") = "5"
    & skf21("5","6","1","4","6","3","5","1") = "5"
    & skf21("5","6","1","4","6","3","6","1") = "5"
    & skf21("5","6","1","4","6","3","7","1") = "6"
    & skf21("5","6","1","4","6","4","1","1") = "5"
    & skf21("5","6","1","4","6","4","2","1") = "5"
    & skf21("5","6","1","4","6","4","3","1") = "5"
    & skf21("5","6","1","4","6","4","4","1") = "5"
    & skf21("5","6","1","4","6","4","5","1") = "5"
    & skf21("5","6","1","4","6","4","6","1") = "5"
    & skf21("5","6","1","4","6","4","7","1") = "6"
    & skf21("5","6","1","4","6","5","1","1") = "5"
    & skf21("5","6","1","4","6","5","2","1") = "5"
    & skf21("5","6","1","4","6","5","3","1") = "5"
    & skf21("5","6","1","4","6","5","4","1") = "5"
    & skf21("5","6","1","4","6","5","5","1") = "5"
    & skf21("5","6","1","4","6","5","6","1") = "5"
    & skf21("5","6","1","4","6","5","7","1") = "6"
    & skf21("5","6","1","4","6","6","1","1") = "5"
    & skf21("5","6","1","4","6","6","2","1") = "5"
    & skf21("5","6","1","4","6","6","3","1") = "5"
    & skf21("5","6","1","4","6","6","4","1") = "5"
    & skf21("5","6","1","4","6","6","5","1") = "5"
    & skf21("5","6","1","4","6","6","6","1") = "5"
    & skf21("5","6","1","4","6","6","7","1") = "6"
    & skf21("5","6","1","4","6","7","1","1") = "6"
    & skf21("5","6","1","4","6","7","2","1") = "6"
    & skf21("5","6","1","4","6","7","3","1") = "6"
    & skf21("5","6","1","4","6","7","4","1") = "6"
    & skf21("5","6","1","4","6","7","5","1") = "6"
    & skf21("5","6","1","4","6","7","6","1") = "6"
    & skf21("5","6","1","4","6","7","7","1") = "6"
    & skf21("5","6","1","4","7","1","1","1") = "6"
    & skf21("5","6","1","4","7","1","2","1") = "6"
    & skf21("5","6","1","4","7","1","3","1") = "6"
    & skf21("5","6","1","4","7","1","4","1") = "6"
    & skf21("5","6","1","4","7","1","5","1") = "6"
    & skf21("5","6","1","4","7","1","6","1") = "6"
    & skf21("5","6","1","4","7","1","7","1") = "6"
    & skf21("5","6","1","4","7","2","1","1") = "6"
    & skf21("5","6","1","4","7","2","2","1") = "6"
    & skf21("5","6","1","4","7","2","3","1") = "6"
    & skf21("5","6","1","4","7","2","4","1") = "6"
    & skf21("5","6","1","4","7","2","5","1") = "6"
    & skf21("5","6","1","4","7","2","6","1") = "6"
    & skf21("5","6","1","4","7","2","7","1") = "6"
    & skf21("5","6","1","4","7","3","1","1") = "6"
    & skf21("5","6","1","4","7","3","2","1") = "6"
    & skf21("5","6","1","4","7","3","3","1") = "6"
    & skf21("5","6","1","4","7","3","4","1") = "6"
    & skf21("5","6","1","4","7","3","5","1") = "6"
    & skf21("5","6","1","4","7","3","6","1") = "6"
    & skf21("5","6","1","4","7","3","7","1") = "6"
    & skf21("5","6","1","4","7","4","1","1") = "6"
    & skf21("5","6","1","4","7","4","2","1") = "6"
    & skf21("5","6","1","4","7","4","3","1") = "6"
    & skf21("5","6","1","4","7","4","4","1") = "6"
    & skf21("5","6","1","4","7","4","5","1") = "6"
    & skf21("5","6","1","4","7","4","6","1") = "6"
    & skf21("5","6","1","4","7","4","7","1") = "6"
    & skf21("5","6","1","4","7","5","1","1") = "6"
    & skf21("5","6","1","4","7","5","2","1") = "6"
    & skf21("5","6","1","4","7","5","3","1") = "6"
    & skf21("5","6","1","4","7","5","4","1") = "6"
    & skf21("5","6","1","4","7","5","5","1") = "6"
    & skf21("5","6","1","4","7","5","6","1") = "6"
    & skf21("5","6","1","4","7","5","7","1") = "6"
    & skf21("5","6","1","4","7","6","1","1") = "6"
    & skf21("5","6","1","4","7","6","2","1") = "6"
    & skf21("5","6","1","4","7","6","3","1") = "6"
    & skf21("5","6","1","4","7","6","4","1") = "6"
    & skf21("5","6","1","4","7","6","5","1") = "6"
    & skf21("5","6","1","4","7","6","6","1") = "6"
    & skf21("5","6","1","4","7","6","7","1") = "6"
    & skf21("5","6","1","4","7","7","1","1") = "6"
    & skf21("5","6","1","4","7","7","2","1") = "6"
    & skf21("5","6","1","4","7","7","3","1") = "6"
    & skf21("5","6","1","4","7","7","4","1") = "6"
    & skf21("5","6","1","4","7","7","5","1") = "6"
    & skf21("5","6","1","4","7","7","6","1") = "6"
    & skf21("5","6","1","4","7","7","7","1") = "6"
    & skf21("5","6","1","5","1","1","1","1") = "5"
    & skf21("5","6","1","5","1","1","2","1") = "5"
    & skf21("5","6","1","5","1","1","3","1") = "5"
    & skf21("5","6","1","5","1","1","4","1") = "5"
    & skf21("5","6","1","5","1","1","5","1") = "5"
    & skf21("5","6","1","5","1","1","6","1") = "5"
    & skf21("5","6","1","5","1","1","7","1") = "6"
    & skf21("5","6","1","5","1","2","1","1") = "5"
    & skf21("5","6","1","5","1","2","2","1") = "5"
    & skf21("5","6","1","5","1","2","3","1") = "5"
    & skf21("5","6","1","5","1","2","4","1") = "5"
    & skf21("5","6","1","5","1","2","5","1") = "5"
    & skf21("5","6","1","5","1","2","6","1") = "5"
    & skf21("5","6","1","5","1","2","7","1") = "6"
    & skf21("5","6","1","5","1","3","1","1") = "5"
    & skf21("5","6","1","5","1","3","2","1") = "5"
    & skf21("5","6","1","5","1","3","3","1") = "5"
    & skf21("5","6","1","5","1","3","4","1") = "5"
    & skf21("5","6","1","5","1","3","5","1") = "5"
    & skf21("5","6","1","5","1","3","6","1") = "5"
    & skf21("5","6","1","5","1","3","7","1") = "6"
    & skf21("5","6","1","5","1","4","1","1") = "5"
    & skf21("5","6","1","5","1","4","2","1") = "5"
    & skf21("5","6","1","5","1","4","3","1") = "5"
    & skf21("5","6","1","5","1","4","4","1") = "5"
    & skf21("5","6","1","5","1","4","5","1") = "5"
    & skf21("5","6","1","5","1","4","6","1") = "5"
    & skf21("5","6","1","5","1","4","7","1") = "6"
    & skf21("5","6","1","5","1","5","1","1") = "5"
    & skf21("5","6","1","5","1","5","2","1") = "5"
    & skf21("5","6","1","5","1","5","3","1") = "5"
    & skf21("5","6","1","5","1","5","4","1") = "5"
    & skf21("5","6","1","5","1","5","5","1") = "5"
    & skf21("5","6","1","5","1","5","6","1") = "5"
    & skf21("5","6","1","5","1","5","7","1") = "6"
    & skf21("5","6","1","5","1","6","1","1") = "5"
    & skf21("5","6","1","5","1","6","2","1") = "5"
    & skf21("5","6","1","5","1","6","3","1") = "5"
    & skf21("5","6","1","5","1","6","4","1") = "5"
    & skf21("5","6","1","5","1","6","5","1") = "5"
    & skf21("5","6","1","5","1","6","6","1") = "5"
    & skf21("5","6","1","5","1","6","7","1") = "6"
    & skf21("5","6","1","5","1","7","1","1") = "6"
    & skf21("5","6","1","5","1","7","2","1") = "6"
    & skf21("5","6","1","5","1","7","3","1") = "6"
    & skf21("5","6","1","5","1","7","4","1") = "6"
    & skf21("5","6","1","5","1","7","5","1") = "6"
    & skf21("5","6","1","5","1","7","6","1") = "6"
    & skf21("5","6","1","5","1","7","7","1") = "6"
    & skf21("5","6","1","5","2","1","1","1") = "5"
    & skf21("5","6","1","5","2","1","2","1") = "5"
    & skf21("5","6","1","5","2","1","3","1") = "5"
    & skf21("5","6","1","5","2","1","4","1") = "5"
    & skf21("5","6","1","5","2","1","5","1") = "5"
    & skf21("5","6","1","5","2","1","6","1") = "5"
    & skf21("5","6","1","5","2","1","7","1") = "6"
    & skf21("5","6","1","5","2","2","1","1") = "5"
    & skf21("5","6","1","5","2","2","2","1") = "5"
    & skf21("5","6","1","5","2","2","3","1") = "5"
    & skf21("5","6","1","5","2","2","4","1") = "5"
    & skf21("5","6","1","5","2","2","5","1") = "5"
    & skf21("5","6","1","5","2","2","6","1") = "5"
    & skf21("5","6","1","5","2","2","7","1") = "6"
    & skf21("5","6","1","5","2","3","1","1") = "5"
    & skf21("5","6","1","5","2","3","2","1") = "5"
    & skf21("5","6","1","5","2","3","3","1") = "5"
    & skf21("5","6","1","5","2","3","4","1") = "5"
    & skf21("5","6","1","5","2","3","5","1") = "5"
    & skf21("5","6","1","5","2","3","6","1") = "5"
    & skf21("5","6","1","5","2","3","7","1") = "6"
    & skf21("5","6","1","5","2","4","1","1") = "5"
    & skf21("5","6","1","5","2","4","2","1") = "5"
    & skf21("5","6","1","5","2","4","3","1") = "5"
    & skf21("5","6","1","5","2","4","4","1") = "5"
    & skf21("5","6","1","5","2","4","5","1") = "5"
    & skf21("5","6","1","5","2","4","6","1") = "5"
    & skf21("5","6","1","5","2","4","7","1") = "6"
    & skf21("5","6","1","5","2","5","1","1") = "5"
    & skf21("5","6","1","5","2","5","2","1") = "5"
    & skf21("5","6","1","5","2","5","3","1") = "5"
    & skf21("5","6","1","5","2","5","4","1") = "5"
    & skf21("5","6","1","5","2","5","5","1") = "5"
    & skf21("5","6","1","5","2","5","6","1") = "5"
    & skf21("5","6","1","5","2","5","7","1") = "6"
    & skf21("5","6","1","5","2","6","1","1") = "5"
    & skf21("5","6","1","5","2","6","2","1") = "5"
    & skf21("5","6","1","5","2","6","3","1") = "5"
    & skf21("5","6","1","5","2","6","4","1") = "5"
    & skf21("5","6","1","5","2","6","5","1") = "5"
    & skf21("5","6","1","5","2","6","6","1") = "5"
    & skf21("5","6","1","5","2","6","7","1") = "6"
    & skf21("5","6","1","5","2","7","1","1") = "6"
    & skf21("5","6","1","5","2","7","2","1") = "6"
    & skf21("5","6","1","5","2","7","3","1") = "6"
    & skf21("5","6","1","5","2","7","4","1") = "6"
    & skf21("5","6","1","5","2","7","5","1") = "6"
    & skf21("5","6","1","5","2","7","6","1") = "6"
    & skf21("5","6","1","5","2","7","7","1") = "6"
    & skf21("5","6","1","5","3","1","1","1") = "5"
    & skf21("5","6","1","5","3","1","2","1") = "5"
    & skf21("5","6","1","5","3","1","3","1") = "5"
    & skf21("5","6","1","5","3","1","4","1") = "5"
    & skf21("5","6","1","5","3","1","5","1") = "5"
    & skf21("5","6","1","5","3","1","6","1") = "5"
    & skf21("5","6","1","5","3","1","7","1") = "6"
    & skf21("5","6","1","5","3","2","1","1") = "5"
    & skf21("5","6","1","5","3","2","2","1") = "5"
    & skf21("5","6","1","5","3","2","3","1") = "5"
    & skf21("5","6","1","5","3","2","4","1") = "5"
    & skf21("5","6","1","5","3","2","5","1") = "5"
    & skf21("5","6","1","5","3","2","6","1") = "5"
    & skf21("5","6","1","5","3","2","7","1") = "6"
    & skf21("5","6","1","5","3","3","1","1") = "5"
    & skf21("5","6","1","5","3","3","2","1") = "5"
    & skf21("5","6","1","5","3","3","3","1") = "5"
    & skf21("5","6","1","5","3","3","4","1") = "5"
    & skf21("5","6","1","5","3","3","5","1") = "5"
    & skf21("5","6","1","5","3","3","6","1") = "5"
    & skf21("5","6","1","5","3","3","7","1") = "6"
    & skf21("5","6","1","5","3","4","1","1") = "5"
    & skf21("5","6","1","5","3","4","2","1") = "5"
    & skf21("5","6","1","5","3","4","3","1") = "5"
    & skf21("5","6","1","5","3","4","4","1") = "5"
    & skf21("5","6","1","5","3","4","5","1") = "5"
    & skf21("5","6","1","5","3","4","6","1") = "5"
    & skf21("5","6","1","5","3","4","7","1") = "6"
    & skf21("5","6","1","5","3","5","1","1") = "5"
    & skf21("5","6","1","5","3","5","2","1") = "5"
    & skf21("5","6","1","5","3","5","3","1") = "5"
    & skf21("5","6","1","5","3","5","4","1") = "5"
    & skf21("5","6","1","5","3","5","5","1") = "5"
    & skf21("5","6","1","5","3","5","6","1") = "5"
    & skf21("5","6","1","5","3","5","7","1") = "6"
    & skf21("5","6","1","5","3","6","1","1") = "5"
    & skf21("5","6","1","5","3","6","2","1") = "5"
    & skf21("5","6","1","5","3","6","3","1") = "5"
    & skf21("5","6","1","5","3","6","4","1") = "5"
    & skf21("5","6","1","5","3","6","5","1") = "5"
    & skf21("5","6","1","5","3","6","6","1") = "5"
    & skf21("5","6","1","5","3","6","7","1") = "6"
    & skf21("5","6","1","5","3","7","1","1") = "6"
    & skf21("5","6","1","5","3","7","2","1") = "6"
    & skf21("5","6","1","5","3","7","3","1") = "6"
    & skf21("5","6","1","5","3","7","4","1") = "6"
    & skf21("5","6","1","5","3","7","5","1") = "6"
    & skf21("5","6","1","5","3","7","6","1") = "6"
    & skf21("5","6","1","5","3","7","7","1") = "6"
    & skf21("5","6","1","5","4","1","1","1") = "5"
    & skf21("5","6","1","5","4","1","2","1") = "5"
    & skf21("5","6","1","5","4","1","3","1") = "5"
    & skf21("5","6","1","5","4","1","4","1") = "5"
    & skf21("5","6","1","5","4","1","5","1") = "5"
    & skf21("5","6","1","5","4","1","6","1") = "5"
    & skf21("5","6","1","5","4","1","7","1") = "6"
    & skf21("5","6","1","5","4","2","1","1") = "5"
    & skf21("5","6","1","5","4","2","2","1") = "5"
    & skf21("5","6","1","5","4","2","3","1") = "5"
    & skf21("5","6","1","5","4","2","4","1") = "5"
    & skf21("5","6","1","5","4","2","5","1") = "5"
    & skf21("5","6","1","5","4","2","6","1") = "5"
    & skf21("5","6","1","5","4","2","7","1") = "6"
    & skf21("5","6","1","5","4","3","1","1") = "5"
    & skf21("5","6","1","5","4","3","2","1") = "5"
    & skf21("5","6","1","5","4","3","3","1") = "5"
    & skf21("5","6","1","5","4","3","4","1") = "5"
    & skf21("5","6","1","5","4","3","5","1") = "5"
    & skf21("5","6","1","5","4","3","6","1") = "5"
    & skf21("5","6","1","5","4","3","7","1") = "6"
    & skf21("5","6","1","5","4","4","1","1") = "5"
    & skf21("5","6","1","5","4","4","2","1") = "5"
    & skf21("5","6","1","5","4","4","3","1") = "5"
    & skf21("5","6","1","5","4","4","4","1") = "5"
    & skf21("5","6","1","5","4","4","5","1") = "5"
    & skf21("5","6","1","5","4","4","6","1") = "5"
    & skf21("5","6","1","5","4","4","7","1") = "6"
    & skf21("5","6","1","5","4","5","1","1") = "5"
    & skf21("5","6","1","5","4","5","2","1") = "5"
    & skf21("5","6","1","5","4","5","3","1") = "5"
    & skf21("5","6","1","5","4","5","4","1") = "5"
    & skf21("5","6","1","5","4","5","5","1") = "5"
    & skf21("5","6","1","5","4","5","6","1") = "5"
    & skf21("5","6","1","5","4","5","7","1") = "6"
    & skf21("5","6","1","5","4","6","1","1") = "5"
    & skf21("5","6","1","5","4","6","2","1") = "5"
    & skf21("5","6","1","5","4","6","3","1") = "5"
    & skf21("5","6","1","5","4","6","4","1") = "5"
    & skf21("5","6","1","5","4","6","5","1") = "5"
    & skf21("5","6","1","5","4","6","6","1") = "5"
    & skf21("5","6","1","5","4","6","7","1") = "6"
    & skf21("5","6","1","5","4","7","1","1") = "6"
    & skf21("5","6","1","5","4","7","2","1") = "6"
    & skf21("5","6","1","5","4","7","3","1") = "6"
    & skf21("5","6","1","5","4","7","4","1") = "6"
    & skf21("5","6","1","5","4","7","5","1") = "6"
    & skf21("5","6","1","5","4","7","6","1") = "6"
    & skf21("5","6","1","5","4","7","7","1") = "6"
    & skf21("5","6","1","5","5","1","1","1") = "5"
    & skf21("5","6","1","5","5","1","2","1") = "5"
    & skf21("5","6","1","5","5","1","3","1") = "5"
    & skf21("5","6","1","5","5","1","4","1") = "5"
    & skf21("5","6","1","5","5","1","5","1") = "5"
    & skf21("5","6","1","5","5","1","6","1") = "5"
    & skf21("5","6","1","5","5","1","7","1") = "6"
    & skf21("5","6","1","5","5","2","1","1") = "5"
    & skf21("5","6","1","5","5","2","2","1") = "5"
    & skf21("5","6","1","5","5","2","3","1") = "5"
    & skf21("5","6","1","5","5","2","4","1") = "5"
    & skf21("5","6","1","5","5","2","5","1") = "5"
    & skf21("5","6","1","5","5","2","6","1") = "5"
    & skf21("5","6","1","5","5","2","7","1") = "6"
    & skf21("5","6","1","5","5","3","1","1") = "5"
    & skf21("5","6","1","5","5","3","2","1") = "5"
    & skf21("5","6","1","5","5","3","3","1") = "5"
    & skf21("5","6","1","5","5","3","4","1") = "5"
    & skf21("5","6","1","5","5","3","5","1") = "5"
    & skf21("5","6","1","5","5","3","6","1") = "5"
    & skf21("5","6","1","5","5","3","7","1") = "6"
    & skf21("5","6","1","5","5","4","1","1") = "5"
    & skf21("5","6","1","5","5","4","2","1") = "5"
    & skf21("5","6","1","5","5","4","3","1") = "5"
    & skf21("5","6","1","5","5","4","4","1") = "5"
    & skf21("5","6","1","5","5","4","5","1") = "5"
    & skf21("5","6","1","5","5","4","6","1") = "5"
    & skf21("5","6","1","5","5","4","7","1") = "6"
    & skf21("5","6","1","5","5","5","1","1") = "5"
    & skf21("5","6","1","5","5","5","2","1") = "5"
    & skf21("5","6","1","5","5","5","3","1") = "5"
    & skf21("5","6","1","5","5","5","4","1") = "5"
    & skf21("5","6","1","5","5","5","5","1") = "5"
    & skf21("5","6","1","5","5","5","6","1") = "5"
    & skf21("5","6","1","5","5","5","7","1") = "6"
    & skf21("5","6","1","5","5","6","1","1") = "5"
    & skf21("5","6","1","5","5","6","2","1") = "5"
    & skf21("5","6","1","5","5","6","3","1") = "5"
    & skf21("5","6","1","5","5","6","4","1") = "5"
    & skf21("5","6","1","5","5","6","5","1") = "5"
    & skf21("5","6","1","5","5","6","6","1") = "5"
    & skf21("5","6","1","5","5","6","7","1") = "6"
    & skf21("5","6","1","5","5","7","1","1") = "6"
    & skf21("5","6","1","5","5","7","2","1") = "6"
    & skf21("5","6","1","5","5","7","3","1") = "6"
    & skf21("5","6","1","5","5","7","4","1") = "6"
    & skf21("5","6","1","5","5","7","5","1") = "6"
    & skf21("5","6","1","5","5","7","6","1") = "6"
    & skf21("5","6","1","5","5","7","7","1") = "6"
    & skf21("5","6","1","5","6","1","1","1") = "5"
    & skf21("5","6","1","5","6","1","2","1") = "5"
    & skf21("5","6","1","5","6","1","3","1") = "5"
    & skf21("5","6","1","5","6","1","4","1") = "5"
    & skf21("5","6","1","5","6","1","5","1") = "5"
    & skf21("5","6","1","5","6","1","6","1") = "5"
    & skf21("5","6","1","5","6","1","7","1") = "6"
    & skf21("5","6","1","5","6","2","1","1") = "5"
    & skf21("5","6","1","5","6","2","2","1") = "5"
    & skf21("5","6","1","5","6","2","3","1") = "5"
    & skf21("5","6","1","5","6","2","4","1") = "5"
    & skf21("5","6","1","5","6","2","5","1") = "5"
    & skf21("5","6","1","5","6","2","6","1") = "5"
    & skf21("5","6","1","5","6","2","7","1") = "6"
    & skf21("5","6","1","5","6","3","1","1") = "5"
    & skf21("5","6","1","5","6","3","2","1") = "5"
    & skf21("5","6","1","5","6","3","3","1") = "5"
    & skf21("5","6","1","5","6","3","4","1") = "5"
    & skf21("5","6","1","5","6","3","5","1") = "5"
    & skf21("5","6","1","5","6","3","6","1") = "5"
    & skf21("5","6","1","5","6","3","7","1") = "6"
    & skf21("5","6","1","5","6","4","1","1") = "5"
    & skf21("5","6","1","5","6","4","2","1") = "5"
    & skf21("5","6","1","5","6","4","3","1") = "5"
    & skf21("5","6","1","5","6","4","4","1") = "5"
    & skf21("5","6","1","5","6","4","5","1") = "5"
    & skf21("5","6","1","5","6","4","6","1") = "5"
    & skf21("5","6","1","5","6","4","7","1") = "6"
    & skf21("5","6","1","5","6","5","1","1") = "5"
    & skf21("5","6","1","5","6","5","2","1") = "5"
    & skf21("5","6","1","5","6","5","3","1") = "5"
    & skf21("5","6","1","5","6","5","4","1") = "5"
    & skf21("5","6","1","5","6","5","5","1") = "5"
    & skf21("5","6","1","5","6","5","6","1") = "5"
    & skf21("5","6","1","5","6","5","7","1") = "6"
    & skf21("5","6","1","5","6","6","1","1") = "5"
    & skf21("5","6","1","5","6","6","2","1") = "5"
    & skf21("5","6","1","5","6","6","3","1") = "5"
    & skf21("5","6","1","5","6","6","4","1") = "5"
    & skf21("5","6","1","5","6","6","5","1") = "5"
    & skf21("5","6","1","5","6","6","6","1") = "5"
    & skf21("5","6","1","5","6","6","7","1") = "6"
    & skf21("5","6","1","5","6","7","1","1") = "6"
    & skf21("5","6","1","5","6","7","2","1") = "6"
    & skf21("5","6","1","5","6","7","3","1") = "6"
    & skf21("5","6","1","5","6","7","4","1") = "6"
    & skf21("5","6","1","5","6","7","5","1") = "6"
    & skf21("5","6","1","5","6","7","6","1") = "6"
    & skf21("5","6","1","5","6","7","7","1") = "6"
    & skf21("5","6","1","5","7","1","1","1") = "6"
    & skf21("5","6","1","5","7","1","2","1") = "6"
    & skf21("5","6","1","5","7","1","3","1") = "6"
    & skf21("5","6","1","5","7","1","4","1") = "6"
    & skf21("5","6","1","5","7","1","5","1") = "6"
    & skf21("5","6","1","5","7","1","6","1") = "6"
    & skf21("5","6","1","5","7","1","7","1") = "6"
    & skf21("5","6","1","5","7","2","1","1") = "6"
    & skf21("5","6","1","5","7","2","2","1") = "6"
    & skf21("5","6","1","5","7","2","3","1") = "6"
    & skf21("5","6","1","5","7","2","4","1") = "6"
    & skf21("5","6","1","5","7","2","5","1") = "6"
    & skf21("5","6","1","5","7","2","6","1") = "6"
    & skf21("5","6","1","5","7","2","7","1") = "6"
    & skf21("5","6","1","5","7","3","1","1") = "6"
    & skf21("5","6","1","5","7","3","2","1") = "6"
    & skf21("5","6","1","5","7","3","3","1") = "6"
    & skf21("5","6","1","5","7","3","4","1") = "6"
    & skf21("5","6","1","5","7","3","5","1") = "6"
    & skf21("5","6","1","5","7","3","6","1") = "6"
    & skf21("5","6","1","5","7","3","7","1") = "6"
    & skf21("5","6","1","5","7","4","1","1") = "6"
    & skf21("5","6","1","5","7","4","2","1") = "6"
    & skf21("5","6","1","5","7","4","3","1") = "6"
    & skf21("5","6","1","5","7","4","4","1") = "6"
    & skf21("5","6","1","5","7","4","5","1") = "6"
    & skf21("5","6","1","5","7","4","6","1") = "6"
    & skf21("5","6","1","5","7","4","7","1") = "6"
    & skf21("5","6","1","5","7","5","1","1") = "6"
    & skf21("5","6","1","5","7","5","2","1") = "6"
    & skf21("5","6","1","5","7","5","3","1") = "6"
    & skf21("5","6","1","5","7","5","4","1") = "6"
    & skf21("5","6","1","5","7","5","5","1") = "6"
    & skf21("5","6","1","5","7","5","6","1") = "6"
    & skf21("5","6","1","5","7","5","7","1") = "6"
    & skf21("5","6","1","5","7","6","1","1") = "6"
    & skf21("5","6","1","5","7","6","2","1") = "6"
    & skf21("5","6","1","5","7","6","3","1") = "6"
    & skf21("5","6","1","5","7","6","4","1") = "6"
    & skf21("5","6","1","5","7","6","5","1") = "6"
    & skf21("5","6","1","5","7","6","6","1") = "6"
    & skf21("5","6","1","5","7","6","7","1") = "6"
    & skf21("5","6","1","5","7","7","1","1") = "6"
    & skf21("5","6","1","5","7","7","2","1") = "6"
    & skf21("5","6","1","5","7","7","3","1") = "6"
    & skf21("5","6","1","5","7","7","4","1") = "6"
    & skf21("5","6","1","5","7","7","5","1") = "6"
    & skf21("5","6","1","5","7","7","6","1") = "6"
    & skf21("5","6","1","5","7","7","7","1") = "6"
    & skf21("5","6","1","6","1","1","1","1") = "5"
    & skf21("5","6","1","6","1","1","2","1") = "5"
    & skf21("5","6","1","6","1","1","3","1") = "5"
    & skf21("5","6","1","6","1","1","4","1") = "5"
    & skf21("5","6","1","6","1","1","5","1") = "5"
    & skf21("5","6","1","6","1","1","6","1") = "5"
    & skf21("5","6","1","6","1","1","7","1") = "6"
    & skf21("5","6","1","6","1","2","1","1") = "5"
    & skf21("5","6","1","6","1","2","2","1") = "5"
    & skf21("5","6","1","6","1","2","3","1") = "5"
    & skf21("5","6","1","6","1","2","4","1") = "5"
    & skf21("5","6","1","6","1","2","5","1") = "5"
    & skf21("5","6","1","6","1","2","6","1") = "5"
    & skf21("5","6","1","6","1","2","7","1") = "6"
    & skf21("5","6","1","6","1","3","1","1") = "5"
    & skf21("5","6","1","6","1","3","2","1") = "5"
    & skf21("5","6","1","6","1","3","3","1") = "5"
    & skf21("5","6","1","6","1","3","4","1") = "5"
    & skf21("5","6","1","6","1","3","5","1") = "5"
    & skf21("5","6","1","6","1","3","6","1") = "5"
    & skf21("5","6","1","6","1","3","7","1") = "6"
    & skf21("5","6","1","6","1","4","1","1") = "5"
    & skf21("5","6","1","6","1","4","2","1") = "5"
    & skf21("5","6","1","6","1","4","3","1") = "5"
    & skf21("5","6","1","6","1","4","4","1") = "5"
    & skf21("5","6","1","6","1","4","5","1") = "5"
    & skf21("5","6","1","6","1","4","6","1") = "5"
    & skf21("5","6","1","6","1","4","7","1") = "6"
    & skf21("5","6","1","6","1","5","1","1") = "5"
    & skf21("5","6","1","6","1","5","2","1") = "5"
    & skf21("5","6","1","6","1","5","3","1") = "5"
    & skf21("5","6","1","6","1","5","4","1") = "5"
    & skf21("5","6","1","6","1","5","5","1") = "5"
    & skf21("5","6","1","6","1","5","6","1") = "5"
    & skf21("5","6","1","6","1","5","7","1") = "6"
    & skf21("5","6","1","6","1","6","1","1") = "5"
    & skf21("5","6","1","6","1","6","2","1") = "5"
    & skf21("5","6","1","6","1","6","3","1") = "5"
    & skf21("5","6","1","6","1","6","4","1") = "5"
    & skf21("5","6","1","6","1","6","5","1") = "5"
    & skf21("5","6","1","6","1","6","6","1") = "5"
    & skf21("5","6","1","6","1","6","7","1") = "6"
    & skf21("5","6","1","6","1","7","1","1") = "6"
    & skf21("5","6","1","6","1","7","2","1") = "6"
    & skf21("5","6","1","6","1","7","3","1") = "6"
    & skf21("5","6","1","6","1","7","4","1") = "6"
    & skf21("5","6","1","6","1","7","5","1") = "6"
    & skf21("5","6","1","6","1","7","6","1") = "6"
    & skf21("5","6","1","6","1","7","7","1") = "6"
    & skf21("5","6","1","6","2","1","1","1") = "5"
    & skf21("5","6","1","6","2","1","2","1") = "5"
    & skf21("5","6","1","6","2","1","3","1") = "5"
    & skf21("5","6","1","6","2","1","4","1") = "5"
    & skf21("5","6","1","6","2","1","5","1") = "5"
    & skf21("5","6","1","6","2","1","6","1") = "5"
    & skf21("5","6","1","6","2","1","7","1") = "6"
    & skf21("5","6","1","6","2","2","1","1") = "5"
    & skf21("5","6","1","6","2","2","2","1") = "5"
    & skf21("5","6","1","6","2","2","3","1") = "5"
    & skf21("5","6","1","6","2","2","4","1") = "5"
    & skf21("5","6","1","6","2","2","5","1") = "5"
    & skf21("5","6","1","6","2","2","6","1") = "5"
    & skf21("5","6","1","6","2","2","7","1") = "6"
    & skf21("5","6","1","6","2","3","1","1") = "5"
    & skf21("5","6","1","6","2","3","2","1") = "5"
    & skf21("5","6","1","6","2","3","3","1") = "5"
    & skf21("5","6","1","6","2","3","4","1") = "5"
    & skf21("5","6","1","6","2","3","5","1") = "5"
    & skf21("5","6","1","6","2","3","6","1") = "5"
    & skf21("5","6","1","6","2","3","7","1") = "6"
    & skf21("5","6","1","6","2","4","1","1") = "5"
    & skf21("5","6","1","6","2","4","2","1") = "5"
    & skf21("5","6","1","6","2","4","3","1") = "5"
    & skf21("5","6","1","6","2","4","4","1") = "5"
    & skf21("5","6","1","6","2","4","5","1") = "5"
    & skf21("5","6","1","6","2","4","6","1") = "5"
    & skf21("5","6","1","6","2","4","7","1") = "6"
    & skf21("5","6","1","6","2","5","1","1") = "5"
    & skf21("5","6","1","6","2","5","2","1") = "5"
    & skf21("5","6","1","6","2","5","3","1") = "5"
    & skf21("5","6","1","6","2","5","4","1") = "5"
    & skf21("5","6","1","6","2","5","5","1") = "5"
    & skf21("5","6","1","6","2","5","6","1") = "5"
    & skf21("5","6","1","6","2","5","7","1") = "6"
    & skf21("5","6","1","6","2","6","1","1") = "5"
    & skf21("5","6","1","6","2","6","2","1") = "5"
    & skf21("5","6","1","6","2","6","3","1") = "5"
    & skf21("5","6","1","6","2","6","4","1") = "5"
    & skf21("5","6","1","6","2","6","5","1") = "5"
    & skf21("5","6","1","6","2","6","6","1") = "5"
    & skf21("5","6","1","6","2","6","7","1") = "6"
    & skf21("5","6","1","6","2","7","1","1") = "6"
    & skf21("5","6","1","6","2","7","2","1") = "6"
    & skf21("5","6","1","6","2","7","3","1") = "6"
    & skf21("5","6","1","6","2","7","4","1") = "6"
    & skf21("5","6","1","6","2","7","5","1") = "6"
    & skf21("5","6","1","6","2","7","6","1") = "6"
    & skf21("5","6","1","6","2","7","7","1") = "6"
    & skf21("5","6","1","6","3","1","1","1") = "5"
    & skf21("5","6","1","6","3","1","2","1") = "5"
    & skf21("5","6","1","6","3","1","3","1") = "5"
    & skf21("5","6","1","6","3","1","4","1") = "5"
    & skf21("5","6","1","6","3","1","5","1") = "5"
    & skf21("5","6","1","6","3","1","6","1") = "5"
    & skf21("5","6","1","6","3","1","7","1") = "6"
    & skf21("5","6","1","6","3","2","1","1") = "5"
    & skf21("5","6","1","6","3","2","2","1") = "5"
    & skf21("5","6","1","6","3","2","3","1") = "5"
    & skf21("5","6","1","6","3","2","4","1") = "5"
    & skf21("5","6","1","6","3","2","5","1") = "5"
    & skf21("5","6","1","6","3","2","6","1") = "5"
    & skf21("5","6","1","6","3","2","7","1") = "6"
    & skf21("5","6","1","6","3","3","1","1") = "5"
    & skf21("5","6","1","6","3","3","2","1") = "5"
    & skf21("5","6","1","6","3","3","3","1") = "5"
    & skf21("5","6","1","6","3","3","4","1") = "5"
    & skf21("5","6","1","6","3","3","5","1") = "5"
    & skf21("5","6","1","6","3","3","6","1") = "5"
    & skf21("5","6","1","6","3","3","7","1") = "6"
    & skf21("5","6","1","6","3","4","1","1") = "5"
    & skf21("5","6","1","6","3","4","2","1") = "5"
    & skf21("5","6","1","6","3","4","3","1") = "5"
    & skf21("5","6","1","6","3","4","4","1") = "5"
    & skf21("5","6","1","6","3","4","5","1") = "5"
    & skf21("5","6","1","6","3","4","6","1") = "5"
    & skf21("5","6","1","6","3","4","7","1") = "6"
    & skf21("5","6","1","6","3","5","1","1") = "5"
    & skf21("5","6","1","6","3","5","2","1") = "5"
    & skf21("5","6","1","6","3","5","3","1") = "5"
    & skf21("5","6","1","6","3","5","4","1") = "5"
    & skf21("5","6","1","6","3","5","5","1") = "5"
    & skf21("5","6","1","6","3","5","6","1") = "5"
    & skf21("5","6","1","6","3","5","7","1") = "6"
    & skf21("5","6","1","6","3","6","1","1") = "5"
    & skf21("5","6","1","6","3","6","2","1") = "5"
    & skf21("5","6","1","6","3","6","3","1") = "5"
    & skf21("5","6","1","6","3","6","4","1") = "5"
    & skf21("5","6","1","6","3","6","5","1") = "5"
    & skf21("5","6","1","6","3","6","6","1") = "5"
    & skf21("5","6","1","6","3","6","7","1") = "6"
    & skf21("5","6","1","6","3","7","1","1") = "6"
    & skf21("5","6","1","6","3","7","2","1") = "6"
    & skf21("5","6","1","6","3","7","3","1") = "6"
    & skf21("5","6","1","6","3","7","4","1") = "6"
    & skf21("5","6","1","6","3","7","5","1") = "6"
    & skf21("5","6","1","6","3","7","6","1") = "6"
    & skf21("5","6","1","6","3","7","7","1") = "6"
    & skf21("5","6","1","6","4","1","1","1") = "5"
    & skf21("5","6","1","6","4","1","2","1") = "5"
    & skf21("5","6","1","6","4","1","3","1") = "5"
    & skf21("5","6","1","6","4","1","4","1") = "5"
    & skf21("5","6","1","6","4","1","5","1") = "5"
    & skf21("5","6","1","6","4","1","6","1") = "5"
    & skf21("5","6","1","6","4","1","7","1") = "6"
    & skf21("5","6","1","6","4","2","1","1") = "5"
    & skf21("5","6","1","6","4","2","2","1") = "5"
    & skf21("5","6","1","6","4","2","3","1") = "5"
    & skf21("5","6","1","6","4","2","4","1") = "5"
    & skf21("5","6","1","6","4","2","5","1") = "5"
    & skf21("5","6","1","6","4","2","6","1") = "5"
    & skf21("5","6","1","6","4","2","7","1") = "6"
    & skf21("5","6","1","6","4","3","1","1") = "5"
    & skf21("5","6","1","6","4","3","2","1") = "5"
    & skf21("5","6","1","6","4","3","3","1") = "5"
    & skf21("5","6","1","6","4","3","4","1") = "5"
    & skf21("5","6","1","6","4","3","5","1") = "5"
    & skf21("5","6","1","6","4","3","6","1") = "5"
    & skf21("5","6","1","6","4","3","7","1") = "6"
    & skf21("5","6","1","6","4","4","1","1") = "5"
    & skf21("5","6","1","6","4","4","2","1") = "5"
    & skf21("5","6","1","6","4","4","3","1") = "5"
    & skf21("5","6","1","6","4","4","4","1") = "5"
    & skf21("5","6","1","6","4","4","5","1") = "5"
    & skf21("5","6","1","6","4","4","6","1") = "5"
    & skf21("5","6","1","6","4","4","7","1") = "6"
    & skf21("5","6","1","6","4","5","1","1") = "5"
    & skf21("5","6","1","6","4","5","2","1") = "5"
    & skf21("5","6","1","6","4","5","3","1") = "5"
    & skf21("5","6","1","6","4","5","4","1") = "5"
    & skf21("5","6","1","6","4","5","5","1") = "5"
    & skf21("5","6","1","6","4","5","6","1") = "5"
    & skf21("5","6","1","6","4","5","7","1") = "6"
    & skf21("5","6","1","6","4","6","1","1") = "5"
    & skf21("5","6","1","6","4","6","2","1") = "5"
    & skf21("5","6","1","6","4","6","3","1") = "5"
    & skf21("5","6","1","6","4","6","4","1") = "5"
    & skf21("5","6","1","6","4","6","5","1") = "5"
    & skf21("5","6","1","6","4","6","6","1") = "5"
    & skf21("5","6","1","6","4","6","7","1") = "6"
    & skf21("5","6","1","6","4","7","1","1") = "6"
    & skf21("5","6","1","6","4","7","2","1") = "6"
    & skf21("5","6","1","6","4","7","3","1") = "6"
    & skf21("5","6","1","6","4","7","4","1") = "6"
    & skf21("5","6","1","6","4","7","5","1") = "6"
    & skf21("5","6","1","6","4","7","6","1") = "6"
    & skf21("5","6","1","6","4","7","7","1") = "6"
    & skf21("5","6","1","6","5","1","1","1") = "5"
    & skf21("5","6","1","6","5","1","2","1") = "5"
    & skf21("5","6","1","6","5","1","3","1") = "5"
    & skf21("5","6","1","6","5","1","4","1") = "5"
    & skf21("5","6","1","6","5","1","5","1") = "5"
    & skf21("5","6","1","6","5","1","6","1") = "5"
    & skf21("5","6","1","6","5","1","7","1") = "6"
    & skf21("5","6","1","6","5","2","1","1") = "5"
    & skf21("5","6","1","6","5","2","2","1") = "5"
    & skf21("5","6","1","6","5","2","3","1") = "5"
    & skf21("5","6","1","6","5","2","4","1") = "5"
    & skf21("5","6","1","6","5","2","5","1") = "5"
    & skf21("5","6","1","6","5","2","6","1") = "5"
    & skf21("5","6","1","6","5","2","7","1") = "6"
    & skf21("5","6","1","6","5","3","1","1") = "5"
    & skf21("5","6","1","6","5","3","2","1") = "5"
    & skf21("5","6","1","6","5","3","3","1") = "5"
    & skf21("5","6","1","6","5","3","4","1") = "5"
    & skf21("5","6","1","6","5","3","5","1") = "5"
    & skf21("5","6","1","6","5","3","6","1") = "5"
    & skf21("5","6","1","6","5","3","7","1") = "6"
    & skf21("5","6","1","6","5","4","1","1") = "5"
    & skf21("5","6","1","6","5","4","2","1") = "5"
    & skf21("5","6","1","6","5","4","3","1") = "5"
    & skf21("5","6","1","6","5","4","4","1") = "5"
    & skf21("5","6","1","6","5","4","5","1") = "5"
    & skf21("5","6","1","6","5","4","6","1") = "5"
    & skf21("5","6","1","6","5","4","7","1") = "6"
    & skf21("5","6","1","6","5","5","1","1") = "5"
    & skf21("5","6","1","6","5","5","2","1") = "5"
    & skf21("5","6","1","6","5","5","3","1") = "5"
    & skf21("5","6","1","6","5","5","4","1") = "5"
    & skf21("5","6","1","6","5","5","5","1") = "5"
    & skf21("5","6","1","6","5","5","6","1") = "5"
    & skf21("5","6","1","6","5","5","7","1") = "6"
    & skf21("5","6","1","6","5","6","1","1") = "5"
    & skf21("5","6","1","6","5","6","2","1") = "5"
    & skf21("5","6","1","6","5","6","3","1") = "5"
    & skf21("5","6","1","6","5","6","4","1") = "5"
    & skf21("5","6","1","6","5","6","5","1") = "5"
    & skf21("5","6","1","6","5","6","6","1") = "5"
    & skf21("5","6","1","6","5","6","7","1") = "6"
    & skf21("5","6","1","6","5","7","1","1") = "6"
    & skf21("5","6","1","6","5","7","2","1") = "6"
    & skf21("5","6","1","6","5","7","3","1") = "6"
    & skf21("5","6","1","6","5","7","4","1") = "6"
    & skf21("5","6","1","6","5","7","5","1") = "6"
    & skf21("5","6","1","6","5","7","6","1") = "6"
    & skf21("5","6","1","6","5","7","7","1") = "6"
    & skf21("5","6","1","6","6","1","1","1") = "5"
    & skf21("5","6","1","6","6","1","2","1") = "5"
    & skf21("5","6","1","6","6","1","3","1") = "5"
    & skf21("5","6","1","6","6","1","4","1") = "5"
    & skf21("5","6","1","6","6","1","5","1") = "5"
    & skf21("5","6","1","6","6","1","6","1") = "5"
    & skf21("5","6","1","6","6","1","7","1") = "6"
    & skf21("5","6","1","6","6","2","1","1") = "5"
    & skf21("5","6","1","6","6","2","2","1") = "5"
    & skf21("5","6","1","6","6","2","3","1") = "5"
    & skf21("5","6","1","6","6","2","4","1") = "5"
    & skf21("5","6","1","6","6","2","5","1") = "5"
    & skf21("5","6","1","6","6","2","6","1") = "5"
    & skf21("5","6","1","6","6","2","7","1") = "6"
    & skf21("5","6","1","6","6","3","1","1") = "5"
    & skf21("5","6","1","6","6","3","2","1") = "5"
    & skf21("5","6","1","6","6","3","3","1") = "5"
    & skf21("5","6","1","6","6","3","4","1") = "5"
    & skf21("5","6","1","6","6","3","5","1") = "5"
    & skf21("5","6","1","6","6","3","6","1") = "5"
    & skf21("5","6","1","6","6","3","7","1") = "6"
    & skf21("5","6","1","6","6","4","1","1") = "5"
    & skf21("5","6","1","6","6","4","2","1") = "5"
    & skf21("5","6","1","6","6","4","3","1") = "5"
    & skf21("5","6","1","6","6","4","4","1") = "5"
    & skf21("5","6","1","6","6","4","5","1") = "5"
    & skf21("5","6","1","6","6","4","6","1") = "5"
    & skf21("5","6","1","6","6","4","7","1") = "6"
    & skf21("5","6","1","6","6","5","1","1") = "5"
    & skf21("5","6","1","6","6","5","2","1") = "5"
    & skf21("5","6","1","6","6","5","3","1") = "5"
    & skf21("5","6","1","6","6","5","4","1") = "5"
    & skf21("5","6","1","6","6","5","5","1") = "5"
    & skf21("5","6","1","6","6","5","6","1") = "5"
    & skf21("5","6","1","6","6","5","7","1") = "6"
    & skf21("5","6","1","6","6","6","1","1") = "5"
    & skf21("5","6","1","6","6","6","2","1") = "5"
    & skf21("5","6","1","6","6","6","3","1") = "5"
    & skf21("5","6","1","6","6","6","4","1") = "5"
    & skf21("5","6","1","6","6","6","5","1") = "5"
    & skf21("5","6","1","6","6","6","6","1") = "5"
    & skf21("5","6","1","6","6","6","7","1") = "6"
    & skf21("5","6","1","6","6","7","1","1") = "6"
    & skf21("5","6","1","6","6","7","2","1") = "6"
    & skf21("5","6","1","6","6","7","3","1") = "6"
    & skf21("5","6","1","6","6","7","4","1") = "6"
    & skf21("5","6","1","6","6","7","5","1") = "6"
    & skf21("5","6","1","6","6","7","6","1") = "6"
    & skf21("5","6","1","6","6","7","7","1") = "6"
    & skf21("5","6","1","6","7","1","1","1") = "6"
    & skf21("5","6","1","6","7","1","2","1") = "6"
    & skf21("5","6","1","6","7","1","3","1") = "6"
    & skf21("5","6","1","6","7","1","4","1") = "6"
    & skf21("5","6","1","6","7","1","5","1") = "6"
    & skf21("5","6","1","6","7","1","6","1") = "6"
    & skf21("5","6","1","6","7","1","7","1") = "6"
    & skf21("5","6","1","6","7","2","1","1") = "6"
    & skf21("5","6","1","6","7","2","2","1") = "6"
    & skf21("5","6","1","6","7","2","3","1") = "6"
    & skf21("5","6","1","6","7","2","4","1") = "6"
    & skf21("5","6","1","6","7","2","5","1") = "6"
    & skf21("5","6","1","6","7","2","6","1") = "6"
    & skf21("5","6","1","6","7","2","7","1") = "6"
    & skf21("5","6","1","6","7","3","1","1") = "6"
    & skf21("5","6","1","6","7","3","2","1") = "6"
    & skf21("5","6","1","6","7","3","3","1") = "6"
    & skf21("5","6","1","6","7","3","4","1") = "6"
    & skf21("5","6","1","6","7","3","5","1") = "6"
    & skf21("5","6","1","6","7","3","6","1") = "6"
    & skf21("5","6","1","6","7","3","7","1") = "6"
    & skf21("5","6","1","6","7","4","1","1") = "6"
    & skf21("5","6","1","6","7","4","2","1") = "6"
    & skf21("5","6","1","6","7","4","3","1") = "6"
    & skf21("5","6","1","6","7","4","4","1") = "6"
    & skf21("5","6","1","6","7","4","5","1") = "6"
    & skf21("5","6","1","6","7","4","6","1") = "6"
    & skf21("5","6","1","6","7","4","7","1") = "6"
    & skf21("5","6","1","6","7","5","1","1") = "6"
    & skf21("5","6","1","6","7","5","2","1") = "6"
    & skf21("5","6","1","6","7","5","3","1") = "6"
    & skf21("5","6","1","6","7","5","4","1") = "6"
    & skf21("5","6","1","6","7","5","5","1") = "6"
    & skf21("5","6","1","6","7","5","6","1") = "6"
    & skf21("5","6","1","6","7","5","7","1") = "6"
    & skf21("5","6","1","6","7","6","1","1") = "6"
    & skf21("5","6","1","6","7","6","2","1") = "6"
    & skf21("5","6","1","6","7","6","3","1") = "6"
    & skf21("5","6","1","6","7","6","4","1") = "6"
    & skf21("5","6","1","6","7","6","5","1") = "6"
    & skf21("5","6","1","6","7","6","6","1") = "6"
    & skf21("5","6","1","6","7","6","7","1") = "6"
    & skf21("5","6","1","6","7","7","1","1") = "6"
    & skf21("5","6","1","6","7","7","2","1") = "6"
    & skf21("5","6","1","6","7","7","3","1") = "6"
    & skf21("5","6","1","6","7","7","4","1") = "6"
    & skf21("5","6","1","6","7","7","5","1") = "6"
    & skf21("5","6","1","6","7","7","6","1") = "6"
    & skf21("5","6","1","6","7","7","7","1") = "6"
    & skf21("5","6","1","7","1","1","1","1") = "6"
    & skf21("5","6","1","7","1","1","2","1") = "6"
    & skf21("5","6","1","7","1","1","3","1") = "6"
    & skf21("5","6","1","7","1","1","4","1") = "6"
    & skf21("5","6","1","7","1","1","5","1") = "6"
    & skf21("5","6","1","7","1","1","6","1") = "6"
    & skf21("5","6","1","7","1","1","7","1") = "6"
    & skf21("5","6","1","7","1","2","1","1") = "6"
    & skf21("5","6","1","7","1","2","2","1") = "6"
    & skf21("5","6","1","7","1","2","3","1") = "6"
    & skf21("5","6","1","7","1","2","4","1") = "6"
    & skf21("5","6","1","7","1","2","5","1") = "6"
    & skf21("5","6","1","7","1","2","6","1") = "6"
    & skf21("5","6","1","7","1","2","7","1") = "6"
    & skf21("5","6","1","7","1","3","1","1") = "6"
    & skf21("5","6","1","7","1","3","2","1") = "6"
    & skf21("5","6","1","7","1","3","3","1") = "6"
    & skf21("5","6","1","7","1","3","4","1") = "6"
    & skf21("5","6","1","7","1","3","5","1") = "6"
    & skf21("5","6","1","7","1","3","6","1") = "6"
    & skf21("5","6","1","7","1","3","7","1") = "6"
    & skf21("5","6","1","7","1","4","1","1") = "6"
    & skf21("5","6","1","7","1","4","2","1") = "6"
    & skf21("5","6","1","7","1","4","3","1") = "6"
    & skf21("5","6","1","7","1","4","4","1") = "6"
    & skf21("5","6","1","7","1","4","5","1") = "6"
    & skf21("5","6","1","7","1","4","6","1") = "6"
    & skf21("5","6","1","7","1","4","7","1") = "6"
    & skf21("5","6","1","7","1","5","1","1") = "6"
    & skf21("5","6","1","7","1","5","2","1") = "6"
    & skf21("5","6","1","7","1","5","3","1") = "6"
    & skf21("5","6","1","7","1","5","4","1") = "6"
    & skf21("5","6","1","7","1","5","5","1") = "6"
    & skf21("5","6","1","7","1","5","6","1") = "6"
    & skf21("5","6","1","7","1","5","7","1") = "6"
    & skf21("5","6","1","7","1","6","1","1") = "6"
    & skf21("5","6","1","7","1","6","2","1") = "6"
    & skf21("5","6","1","7","1","6","3","1") = "6"
    & skf21("5","6","1","7","1","6","4","1") = "6"
    & skf21("5","6","1","7","1","6","5","1") = "6"
    & skf21("5","6","1","7","1","6","6","1") = "6"
    & skf21("5","6","1","7","1","6","7","1") = "6"
    & skf21("5","6","1","7","1","7","1","1") = "6"
    & skf21("5","6","1","7","1","7","2","1") = "6"
    & skf21("5","6","1","7","1","7","3","1") = "6"
    & skf21("5","6","1","7","1","7","4","1") = "6"
    & skf21("5","6","1","7","1","7","5","1") = "6"
    & skf21("5","6","1","7","1","7","6","1") = "6"
    & skf21("5","6","1","7","1","7","7","1") = "6"
    & skf21("5","6","1","7","2","1","1","1") = "6"
    & skf21("5","6","1","7","2","1","2","1") = "6"
    & skf21("5","6","1","7","2","1","3","1") = "6"
    & skf21("5","6","1","7","2","1","4","1") = "6"
    & skf21("5","6","1","7","2","1","5","1") = "6"
    & skf21("5","6","1","7","2","1","6","1") = "6"
    & skf21("5","6","1","7","2","1","7","1") = "6"
    & skf21("5","6","1","7","2","2","1","1") = "6"
    & skf21("5","6","1","7","2","2","2","1") = "6"
    & skf21("5","6","1","7","2","2","3","1") = "6"
    & skf21("5","6","1","7","2","2","4","1") = "6"
    & skf21("5","6","1","7","2","2","5","1") = "6"
    & skf21("5","6","1","7","2","2","6","1") = "6"
    & skf21("5","6","1","7","2","2","7","1") = "6"
    & skf21("5","6","1","7","2","3","1","1") = "6"
    & skf21("5","6","1","7","2","3","2","1") = "6"
    & skf21("5","6","1","7","2","3","3","1") = "6"
    & skf21("5","6","1","7","2","3","4","1") = "6"
    & skf21("5","6","1","7","2","3","5","1") = "6"
    & skf21("5","6","1","7","2","3","6","1") = "6"
    & skf21("5","6","1","7","2","3","7","1") = "6"
    & skf21("5","6","1","7","2","4","1","1") = "6"
    & skf21("5","6","1","7","2","4","2","1") = "6"
    & skf21("5","6","1","7","2","4","3","1") = "6"
    & skf21("5","6","1","7","2","4","4","1") = "6"
    & skf21("5","6","1","7","2","4","5","1") = "6"
    & skf21("5","6","1","7","2","4","6","1") = "6"
    & skf21("5","6","1","7","2","4","7","1") = "6"
    & skf21("5","6","1","7","2","5","1","1") = "6"
    & skf21("5","6","1","7","2","5","2","1") = "6"
    & skf21("5","6","1","7","2","5","3","1") = "6"
    & skf21("5","6","1","7","2","5","4","1") = "6"
    & skf21("5","6","1","7","2","5","5","1") = "6"
    & skf21("5","6","1","7","2","5","6","1") = "6"
    & skf21("5","6","1","7","2","5","7","1") = "6"
    & skf21("5","6","1","7","2","6","1","1") = "6"
    & skf21("5","6","1","7","2","6","2","1") = "6"
    & skf21("5","6","1","7","2","6","3","1") = "6"
    & skf21("5","6","1","7","2","6","4","1") = "6"
    & skf21("5","6","1","7","2","6","5","1") = "6"
    & skf21("5","6","1","7","2","6","6","1") = "6"
    & skf21("5","6","1","7","2","6","7","1") = "6"
    & skf21("5","6","1","7","2","7","1","1") = "6"
    & skf21("5","6","1","7","2","7","2","1") = "6"
    & skf21("5","6","1","7","2","7","3","1") = "6"
    & skf21("5","6","1","7","2","7","4","1") = "6"
    & skf21("5","6","1","7","2","7","5","1") = "6"
    & skf21("5","6","1","7","2","7","6","1") = "6"
    & skf21("5","6","1","7","2","7","7","1") = "6"
    & skf21("5","6","1","7","3","1","1","1") = "6"
    & skf21("5","6","1","7","3","1","2","1") = "6"
    & skf21("5","6","1","7","3","1","3","1") = "6"
    & skf21("5","6","1","7","3","1","4","1") = "6"
    & skf21("5","6","1","7","3","1","5","1") = "6"
    & skf21("5","6","1","7","3","1","6","1") = "6"
    & skf21("5","6","1","7","3","1","7","1") = "6"
    & skf21("5","6","1","7","3","2","1","1") = "6"
    & skf21("5","6","1","7","3","2","2","1") = "6"
    & skf21("5","6","1","7","3","2","3","1") = "6"
    & skf21("5","6","1","7","3","2","4","1") = "6"
    & skf21("5","6","1","7","3","2","5","1") = "6"
    & skf21("5","6","1","7","3","2","6","1") = "6"
    & skf21("5","6","1","7","3","2","7","1") = "6"
    & skf21("5","6","1","7","3","3","1","1") = "6"
    & skf21("5","6","1","7","3","3","2","1") = "6"
    & skf21("5","6","1","7","3","3","3","1") = "6"
    & skf21("5","6","1","7","3","3","4","1") = "6"
    & skf21("5","6","1","7","3","3","5","1") = "6"
    & skf21("5","6","1","7","3","3","6","1") = "6"
    & skf21("5","6","1","7","3","3","7","1") = "6"
    & skf21("5","6","1","7","3","4","1","1") = "6"
    & skf21("5","6","1","7","3","4","2","1") = "6"
    & skf21("5","6","1","7","3","4","3","1") = "6"
    & skf21("5","6","1","7","3","4","4","1") = "6"
    & skf21("5","6","1","7","3","4","5","1") = "6"
    & skf21("5","6","1","7","3","4","6","1") = "6"
    & skf21("5","6","1","7","3","4","7","1") = "6"
    & skf21("5","6","1","7","3","5","1","1") = "6"
    & skf21("5","6","1","7","3","5","2","1") = "6"
    & skf21("5","6","1","7","3","5","3","1") = "6"
    & skf21("5","6","1","7","3","5","4","1") = "6"
    & skf21("5","6","1","7","3","5","5","1") = "6"
    & skf21("5","6","1","7","3","5","6","1") = "6"
    & skf21("5","6","1","7","3","5","7","1") = "6"
    & skf21("5","6","1","7","3","6","1","1") = "6"
    & skf21("5","6","1","7","3","6","2","1") = "6"
    & skf21("5","6","1","7","3","6","3","1") = "6"
    & skf21("5","6","1","7","3","6","4","1") = "6"
    & skf21("5","6","1","7","3","6","5","1") = "6"
    & skf21("5","6","1","7","3","6","6","1") = "6"
    & skf21("5","6","1","7","3","6","7","1") = "6"
    & skf21("5","6","1","7","3","7","1","1") = "6"
    & skf21("5","6","1","7","3","7","2","1") = "6"
    & skf21("5","6","1","7","3","7","3","1") = "6"
    & skf21("5","6","1","7","3","7","4","1") = "6"
    & skf21("5","6","1","7","3","7","5","1") = "6"
    & skf21("5","6","1","7","3","7","6","1") = "6"
    & skf21("5","6","1","7","3","7","7","1") = "6"
    & skf21("5","6","1","7","4","1","1","1") = "6"
    & skf21("5","6","1","7","4","1","2","1") = "6"
    & skf21("5","6","1","7","4","1","3","1") = "6"
    & skf21("5","6","1","7","4","1","4","1") = "6"
    & skf21("5","6","1","7","4","1","5","1") = "6"
    & skf21("5","6","1","7","4","1","6","1") = "6"
    & skf21("5","6","1","7","4","1","7","1") = "6"
    & skf21("5","6","1","7","4","2","1","1") = "6"
    & skf21("5","6","1","7","4","2","2","1") = "6"
    & skf21("5","6","1","7","4","2","3","1") = "6"
    & skf21("5","6","1","7","4","2","4","1") = "6"
    & skf21("5","6","1","7","4","2","5","1") = "6"
    & skf21("5","6","1","7","4","2","6","1") = "6"
    & skf21("5","6","1","7","4","2","7","1") = "6"
    & skf21("5","6","1","7","4","3","1","1") = "6"
    & skf21("5","6","1","7","4","3","2","1") = "6"
    & skf21("5","6","1","7","4","3","3","1") = "6"
    & skf21("5","6","1","7","4","3","4","1") = "6"
    & skf21("5","6","1","7","4","3","5","1") = "6"
    & skf21("5","6","1","7","4","3","6","1") = "6"
    & skf21("5","6","1","7","4","3","7","1") = "6"
    & skf21("5","6","1","7","4","4","1","1") = "6"
    & skf21("5","6","1","7","4","4","2","1") = "6"
    & skf21("5","6","1","7","4","4","3","1") = "6"
    & skf21("5","6","1","7","4","4","4","1") = "6"
    & skf21("5","6","1","7","4","4","5","1") = "6"
    & skf21("5","6","1","7","4","4","6","1") = "6"
    & skf21("5","6","1","7","4","4","7","1") = "6"
    & skf21("5","6","1","7","4","5","1","1") = "6"
    & skf21("5","6","1","7","4","5","2","1") = "6"
    & skf21("5","6","1","7","4","5","3","1") = "6"
    & skf21("5","6","1","7","4","5","4","1") = "6"
    & skf21("5","6","1","7","4","5","5","1") = "6"
    & skf21("5","6","1","7","4","5","6","1") = "6"
    & skf21("5","6","1","7","4","5","7","1") = "6"
    & skf21("5","6","1","7","4","6","1","1") = "6"
    & skf21("5","6","1","7","4","6","2","1") = "6"
    & skf21("5","6","1","7","4","6","3","1") = "6"
    & skf21("5","6","1","7","4","6","4","1") = "6"
    & skf21("5","6","1","7","4","6","5","1") = "6"
    & skf21("5","6","1","7","4","6","6","1") = "6"
    & skf21("5","6","1","7","4","6","7","1") = "6"
    & skf21("5","6","1","7","4","7","1","1") = "6"
    & skf21("5","6","1","7","4","7","2","1") = "6"
    & skf21("5","6","1","7","4","7","3","1") = "6"
    & skf21("5","6","1","7","4","7","4","1") = "6"
    & skf21("5","6","1","7","4","7","5","1") = "6"
    & skf21("5","6","1","7","4","7","6","1") = "6"
    & skf21("5","6","1","7","4","7","7","1") = "6"
    & skf21("5","6","1","7","5","1","1","1") = "6"
    & skf21("5","6","1","7","5","1","2","1") = "6"
    & skf21("5","6","1","7","5","1","3","1") = "6"
    & skf21("5","6","1","7","5","1","4","1") = "6"
    & skf21("5","6","1","7","5","1","5","1") = "6"
    & skf21("5","6","1","7","5","1","6","1") = "6"
    & skf21("5","6","1","7","5","1","7","1") = "6"
    & skf21("5","6","1","7","5","2","1","1") = "6"
    & skf21("5","6","1","7","5","2","2","1") = "6"
    & skf21("5","6","1","7","5","2","3","1") = "6"
    & skf21("5","6","1","7","5","2","4","1") = "6"
    & skf21("5","6","1","7","5","2","5","1") = "6"
    & skf21("5","6","1","7","5","2","6","1") = "6"
    & skf21("5","6","1","7","5","2","7","1") = "6"
    & skf21("5","6","1","7","5","3","1","1") = "6"
    & skf21("5","6","1","7","5","3","2","1") = "6"
    & skf21("5","6","1","7","5","3","3","1") = "6"
    & skf21("5","6","1","7","5","3","4","1") = "6"
    & skf21("5","6","1","7","5","3","5","1") = "6"
    & skf21("5","6","1","7","5","3","6","1") = "6"
    & skf21("5","6","1","7","5","3","7","1") = "6"
    & skf21("5","6","1","7","5","4","1","1") = "6"
    & skf21("5","6","1","7","5","4","2","1") = "6"
    & skf21("5","6","1","7","5","4","3","1") = "6"
    & skf21("5","6","1","7","5","4","4","1") = "6"
    & skf21("5","6","1","7","5","4","5","1") = "6"
    & skf21("5","6","1","7","5","4","6","1") = "6"
    & skf21("5","6","1","7","5","4","7","1") = "6"
    & skf21("5","6","1","7","5","5","1","1") = "6"
    & skf21("5","6","1","7","5","5","2","1") = "6"
    & skf21("5","6","1","7","5","5","3","1") = "6"
    & skf21("5","6","1","7","5","5","4","1") = "6"
    & skf21("5","6","1","7","5","5","5","1") = "6"
    & skf21("5","6","1","7","5","5","6","1") = "6"
    & skf21("5","6","1","7","5","5","7","1") = "6"
    & skf21("5","6","1","7","5","6","1","1") = "6"
    & skf21("5","6","1","7","5","6","2","1") = "6"
    & skf21("5","6","1","7","5","6","3","1") = "6"
    & skf21("5","6","1","7","5","6","4","1") = "6"
    & skf21("5","6","1","7","5","6","5","1") = "6"
    & skf21("5","6","1","7","5","6","6","1") = "6"
    & skf21("5","6","1","7","5","6","7","1") = "6"
    & skf21("5","6","1","7","5","7","1","1") = "6"
    & skf21("5","6","1","7","5","7","2","1") = "6"
    & skf21("5","6","1","7","5","7","3","1") = "6"
    & skf21("5","6","1","7","5","7","4","1") = "6"
    & skf21("5","6","1","7","5","7","5","1") = "6"
    & skf21("5","6","1","7","5","7","6","1") = "6"
    & skf21("5","6","1","7","5","7","7","1") = "6"
    & skf21("5","6","1","7","6","1","1","1") = "6"
    & skf21("5","6","1","7","6","1","2","1") = "6"
    & skf21("5","6","1","7","6","1","3","1") = "6"
    & skf21("5","6","1","7","6","1","4","1") = "6"
    & skf21("5","6","1","7","6","1","5","1") = "6"
    & skf21("5","6","1","7","6","1","6","1") = "6"
    & skf21("5","6","1","7","6","1","7","1") = "6"
    & skf21("5","6","1","7","6","2","1","1") = "6"
    & skf21("5","6","1","7","6","2","2","1") = "6"
    & skf21("5","6","1","7","6","2","3","1") = "6"
    & skf21("5","6","1","7","6","2","4","1") = "6"
    & skf21("5","6","1","7","6","2","5","1") = "6"
    & skf21("5","6","1","7","6","2","6","1") = "6"
    & skf21("5","6","1","7","6","2","7","1") = "6"
    & skf21("5","6","1","7","6","3","1","1") = "6"
    & skf21("5","6","1","7","6","3","2","1") = "6"
    & skf21("5","6","1","7","6","3","3","1") = "6"
    & skf21("5","6","1","7","6","3","4","1") = "6"
    & skf21("5","6","1","7","6","3","5","1") = "6"
    & skf21("5","6","1","7","6","3","6","1") = "6"
    & skf21("5","6","1","7","6","3","7","1") = "6"
    & skf21("5","6","1","7","6","4","1","1") = "6"
    & skf21("5","6","1","7","6","4","2","1") = "6"
    & skf21("5","6","1","7","6","4","3","1") = "6"
    & skf21("5","6","1","7","6","4","4","1") = "6"
    & skf21("5","6","1","7","6","4","5","1") = "6"
    & skf21("5","6","1","7","6","4","6","1") = "6"
    & skf21("5","6","1","7","6","4","7","1") = "6"
    & skf21("5","6","1","7","6","5","1","1") = "6"
    & skf21("5","6","1","7","6","5","2","1") = "6"
    & skf21("5","6","1","7","6","5","3","1") = "6"
    & skf21("5","6","1","7","6","5","4","1") = "6"
    & skf21("5","6","1","7","6","5","5","1") = "6"
    & skf21("5","6","1","7","6","5","6","1") = "6"
    & skf21("5","6","1","7","6","5","7","1") = "6"
    & skf21("5","6","1","7","6","6","1","1") = "6"
    & skf21("5","6","1","7","6","6","2","1") = "6"
    & skf21("5","6","1","7","6","6","3","1") = "6"
    & skf21("5","6","1","7","6","6","4","1") = "6"
    & skf21("5","6","1","7","6","6","5","1") = "6"
    & skf21("5","6","1","7","6","6","6","1") = "6"
    & skf21("5","6","1","7","6","6","7","1") = "6"
    & skf21("5","6","1","7","6","7","1","1") = "6"
    & skf21("5","6","1","7","6","7","2","1") = "6"
    & skf21("5","6","1","7","6","7","3","1") = "6"
    & skf21("5","6","1","7","6","7","4","1") = "6"
    & skf21("5","6","1","7","6","7","5","1") = "6"
    & skf21("5","6","1","7","6","7","6","1") = "6"
    & skf21("5","6","1","7","6","7","7","1") = "6"
    & skf21("5","6","1","7","7","1","1","1") = "6"
    & skf21("5","6","1","7","7","1","2","1") = "6"
    & skf21("5","6","1","7","7","1","3","1") = "6"
    & skf21("5","6","1","7","7","1","4","1") = "6"
    & skf21("5","6","1","7","7","1","5","1") = "6"
    & skf21("5","6","1","7","7","1","6","1") = "6"
    & skf21("5","6","1","7","7","1","7","1") = "6"
    & skf21("5","6","1","7","7","2","1","1") = "6"
    & skf21("5","6","1","7","7","2","2","1") = "6"
    & skf21("5","6","1","7","7","2","3","1") = "6"
    & skf21("5","6","1","7","7","2","4","1") = "6"
    & skf21("5","6","1","7","7","2","5","1") = "6"
    & skf21("5","6","1","7","7","2","6","1") = "6"
    & skf21("5","6","1","7","7","2","7","1") = "6"
    & skf21("5","6","1","7","7","3","1","1") = "6"
    & skf21("5","6","1","7","7","3","2","1") = "6"
    & skf21("5","6","1","7","7","3","3","1") = "6"
    & skf21("5","6","1","7","7","3","4","1") = "6"
    & skf21("5","6","1","7","7","3","5","1") = "6"
    & skf21("5","6","1","7","7","3","6","1") = "6"
    & skf21("5","6","1","7","7","3","7","1") = "6"
    & skf21("5","6","1","7","7","4","1","1") = "6"
    & skf21("5","6","1","7","7","4","2","1") = "6"
    & skf21("5","6","1","7","7","4","3","1") = "6"
    & skf21("5","6","1","7","7","4","4","1") = "6"
    & skf21("5","6","1","7","7","4","5","1") = "6"
    & skf21("5","6","1","7","7","4","6","1") = "6"
    & skf21("5","6","1","7","7","4","7","1") = "6"
    & skf21("5","6","1","7","7","5","1","1") = "6"
    & skf21("5","6","1","7","7","5","2","1") = "6"
    & skf21("5","6","1","7","7","5","3","1") = "6"
    & skf21("5","6","1","7","7","5","4","1") = "6"
    & skf21("5","6","1","7","7","5","5","1") = "6"
    & skf21("5","6","1","7","7","5","6","1") = "6"
    & skf21("5","6","1","7","7","5","7","1") = "6"
    & skf21("5","6","1","7","7","6","1","1") = "6"
    & skf21("5","6","1","7","7","6","2","1") = "6"
    & skf21("5","6","1","7","7","6","3","1") = "6"
    & skf21("5","6","1","7","7","6","4","1") = "6"
    & skf21("5","6","1","7","7","6","5","1") = "6"
    & skf21("5","6","1","7","7","6","6","1") = "6"
    & skf21("5","6","1","7","7","6","7","1") = "6"
    & skf21("5","6","1","7","7","7","1","1") = "6"
    & skf21("5","6","1","7","7","7","2","1") = "6"
    & skf21("5","6","1","7","7","7","3","1") = "6"
    & skf21("5","6","1","7","7","7","4","1") = "6"
    & skf21("5","6","1","7","7","7","5","1") = "6"
    & skf21("5","6","1","7","7","7","6","1") = "6"
    & skf21("5","6","1","7","7","7","7","1") = "6"
    & skf21("5","6","2","1","1","1","1","1") = "5"
    & skf21("5","6","2","1","1","1","2","1") = "5"
    & skf21("5","6","2","1","1","1","3","1") = "5"
    & skf21("5","6","2","1","1","1","4","1") = "5"
    & skf21("5","6","2","1","1","1","5","1") = "5"
    & skf21("5","6","2","1","1","1","6","1") = "5"
    & skf21("5","6","2","1","1","1","7","1") = "6"
    & skf21("5","6","2","1","1","2","1","1") = "5"
    & skf21("5","6","2","1","1","2","2","1") = "5"
    & skf21("5","6","2","1","1","2","3","1") = "5"
    & skf21("5","6","2","1","1","2","4","1") = "5"
    & skf21("5","6","2","1","1","2","5","1") = "5"
    & skf21("5","6","2","1","1","2","6","1") = "5"
    & skf21("5","6","2","1","1","2","7","1") = "6"
    & skf21("5","6","2","1","1","3","1","1") = "5"
    & skf21("5","6","2","1","1","3","2","1") = "5"
    & skf21("5","6","2","1","1","3","3","1") = "5"
    & skf21("5","6","2","1","1","3","4","1") = "5"
    & skf21("5","6","2","1","1","3","5","1") = "5"
    & skf21("5","6","2","1","1","3","6","1") = "5"
    & skf21("5","6","2","1","1","3","7","1") = "6"
    & skf21("5","6","2","1","1","4","1","1") = "5"
    & skf21("5","6","2","1","1","4","2","1") = "5"
    & skf21("5","6","2","1","1","4","3","1") = "5"
    & skf21("5","6","2","1","1","4","4","1") = "5"
    & skf21("5","6","2","1","1","4","5","1") = "5"
    & skf21("5","6","2","1","1","4","6","1") = "5"
    & skf21("5","6","2","1","1","4","7","1") = "6"
    & skf21("5","6","2","1","1","5","1","1") = "5"
    & skf21("5","6","2","1","1","5","2","1") = "5"
    & skf21("5","6","2","1","1","5","3","1") = "5"
    & skf21("5","6","2","1","1","5","4","1") = "5"
    & skf21("5","6","2","1","1","5","5","1") = "5"
    & skf21("5","6","2","1","1","5","6","1") = "5"
    & skf21("5","6","2","1","1","5","7","1") = "6"
    & skf21("5","6","2","1","1","6","1","1") = "5"
    & skf21("5","6","2","1","1","6","2","1") = "5"
    & skf21("5","6","2","1","1","6","3","1") = "5"
    & skf21("5","6","2","1","1","6","4","1") = "5"
    & skf21("5","6","2","1","1","6","5","1") = "5"
    & skf21("5","6","2","1","1","6","6","1") = "5"
    & skf21("5","6","2","1","1","6","7","1") = "6"
    & skf21("5","6","2","1","1","7","1","1") = "6"
    & skf21("5","6","2","1","1","7","2","1") = "6"
    & skf21("5","6","2","1","1","7","3","1") = "6"
    & skf21("5","6","2","1","1","7","4","1") = "6"
    & skf21("5","6","2","1","1","7","5","1") = "6"
    & skf21("5","6","2","1","1","7","6","1") = "6"
    & skf21("5","6","2","1","1","7","7","1") = "6"
    & skf21("5","6","2","1","2","1","1","1") = "5"
    & skf21("5","6","2","1","2","1","2","1") = "5"
    & skf21("5","6","2","1","2","1","3","1") = "5"
    & skf21("5","6","2","1","2","1","4","1") = "5"
    & skf21("5","6","2","1","2","1","5","1") = "5"
    & skf21("5","6","2","1","2","1","6","1") = "5"
    & skf21("5","6","2","1","2","1","7","1") = "6"
    & skf21("5","6","2","1","2","2","1","1") = "5"
    & skf21("5","6","2","1","2","2","2","1") = "5"
    & skf21("5","6","2","1","2","2","3","1") = "5"
    & skf21("5","6","2","1","2","2","4","1") = "5"
    & skf21("5","6","2","1","2","2","5","1") = "5"
    & skf21("5","6","2","1","2","2","6","1") = "5"
    & skf21("5","6","2","1","2","2","7","1") = "6"
    & skf21("5","6","2","1","2","3","1","1") = "5"
    & skf21("5","6","2","1","2","3","2","1") = "5"
    & skf21("5","6","2","1","2","3","3","1") = "5"
    & skf21("5","6","2","1","2","3","4","1") = "5"
    & skf21("5","6","2","1","2","3","5","1") = "5"
    & skf21("5","6","2","1","2","3","6","1") = "5"
    & skf21("5","6","2","1","2","3","7","1") = "6"
    & skf21("5","6","2","1","2","4","1","1") = "5"
    & skf21("5","6","2","1","2","4","2","1") = "5"
    & skf21("5","6","2","1","2","4","3","1") = "5"
    & skf21("5","6","2","1","2","4","4","1") = "5"
    & skf21("5","6","2","1","2","4","5","1") = "5"
    & skf21("5","6","2","1","2","4","6","1") = "5"
    & skf21("5","6","2","1","2","4","7","1") = "6"
    & skf21("5","6","2","1","2","5","1","1") = "5"
    & skf21("5","6","2","1","2","5","2","1") = "5"
    & skf21("5","6","2","1","2","5","3","1") = "5"
    & skf21("5","6","2","1","2","5","4","1") = "5"
    & skf21("5","6","2","1","2","5","5","1") = "5"
    & skf21("5","6","2","1","2","5","6","1") = "5"
    & skf21("5","6","2","1","2","5","7","1") = "6"
    & skf21("5","6","2","1","2","6","1","1") = "5"
    & skf21("5","6","2","1","2","6","2","1") = "5"
    & skf21("5","6","2","1","2","6","3","1") = "5"
    & skf21("5","6","2","1","2","6","4","1") = "5"
    & skf21("5","6","2","1","2","6","5","1") = "5"
    & skf21("5","6","2","1","2","6","6","1") = "5"
    & skf21("5","6","2","1","2","6","7","1") = "6"
    & skf21("5","6","2","1","2","7","1","1") = "6"
    & skf21("5","6","2","1","2","7","2","1") = "6"
    & skf21("5","6","2","1","2","7","3","1") = "6"
    & skf21("5","6","2","1","2","7","4","1") = "6"
    & skf21("5","6","2","1","2","7","5","1") = "6"
    & skf21("5","6","2","1","2","7","6","1") = "6"
    & skf21("5","6","2","1","2","7","7","1") = "6"
    & skf21("5","6","2","1","3","1","1","1") = "5"
    & skf21("5","6","2","1","3","1","2","1") = "5"
    & skf21("5","6","2","1","3","1","3","1") = "5"
    & skf21("5","6","2","1","3","1","4","1") = "5"
    & skf21("5","6","2","1","3","1","5","1") = "5"
    & skf21("5","6","2","1","3","1","6","1") = "5"
    & skf21("5","6","2","1","3","1","7","1") = "6"
    & skf21("5","6","2","1","3","2","1","1") = "5"
    & skf21("5","6","2","1","3","2","2","1") = "5"
    & skf21("5","6","2","1","3","2","3","1") = "5"
    & skf21("5","6","2","1","3","2","4","1") = "5"
    & skf21("5","6","2","1","3","2","5","1") = "5"
    & skf21("5","6","2","1","3","2","6","1") = "5"
    & skf21("5","6","2","1","3","2","7","1") = "6"
    & skf21("5","6","2","1","3","3","1","1") = "5"
    & skf21("5","6","2","1","3","3","2","1") = "5"
    & skf21("5","6","2","1","3","3","3","1") = "5"
    & skf21("5","6","2","1","3","3","4","1") = "5"
    & skf21("5","6","2","1","3","3","5","1") = "5"
    & skf21("5","6","2","1","3","3","6","1") = "5"
    & skf21("5","6","2","1","3","3","7","1") = "6"
    & skf21("5","6","2","1","3","4","1","1") = "5"
    & skf21("5","6","2","1","3","4","2","1") = "5"
    & skf21("5","6","2","1","3","4","3","1") = "5"
    & skf21("5","6","2","1","3","4","4","1") = "5"
    & skf21("5","6","2","1","3","4","5","1") = "5"
    & skf21("5","6","2","1","3","4","6","1") = "5"
    & skf21("5","6","2","1","3","4","7","1") = "6"
    & skf21("5","6","2","1","3","5","1","1") = "5"
    & skf21("5","6","2","1","3","5","2","1") = "5"
    & skf21("5","6","2","1","3","5","3","1") = "5"
    & skf21("5","6","2","1","3","5","4","1") = "5"
    & skf21("5","6","2","1","3","5","5","1") = "5"
    & skf21("5","6","2","1","3","5","6","1") = "5"
    & skf21("5","6","2","1","3","5","7","1") = "6"
    & skf21("5","6","2","1","3","6","1","1") = "5"
    & skf21("5","6","2","1","3","6","2","1") = "5"
    & skf21("5","6","2","1","3","6","3","1") = "5"
    & skf21("5","6","2","1","3","6","4","1") = "5"
    & skf21("5","6","2","1","3","6","5","1") = "5"
    & skf21("5","6","2","1","3","6","6","1") = "5"
    & skf21("5","6","2","1","3","6","7","1") = "6"
    & skf21("5","6","2","1","3","7","1","1") = "6"
    & skf21("5","6","2","1","3","7","2","1") = "6"
    & skf21("5","6","2","1","3","7","3","1") = "6"
    & skf21("5","6","2","1","3","7","4","1") = "6"
    & skf21("5","6","2","1","3","7","5","1") = "6"
    & skf21("5","6","2","1","3","7","6","1") = "6"
    & skf21("5","6","2","1","3","7","7","1") = "6"
    & skf21("5","6","2","1","4","1","1","1") = "5"
    & skf21("5","6","2","1","4","1","2","1") = "5"
    & skf21("5","6","2","1","4","1","3","1") = "5"
    & skf21("5","6","2","1","4","1","4","1") = "5"
    & skf21("5","6","2","1","4","1","5","1") = "5"
    & skf21("5","6","2","1","4","1","6","1") = "5"
    & skf21("5","6","2","1","4","1","7","1") = "6"
    & skf21("5","6","2","1","4","2","1","1") = "5"
    & skf21("5","6","2","1","4","2","2","1") = "5"
    & skf21("5","6","2","1","4","2","3","1") = "5"
    & skf21("5","6","2","1","4","2","4","1") = "5"
    & skf21("5","6","2","1","4","2","5","1") = "5"
    & skf21("5","6","2","1","4","2","6","1") = "5"
    & skf21("5","6","2","1","4","2","7","1") = "6"
    & skf21("5","6","2","1","4","3","1","1") = "5"
    & skf21("5","6","2","1","4","3","2","1") = "5"
    & skf21("5","6","2","1","4","3","3","1") = "5"
    & skf21("5","6","2","1","4","3","4","1") = "5"
    & skf21("5","6","2","1","4","3","5","1") = "5"
    & skf21("5","6","2","1","4","3","6","1") = "5"
    & skf21("5","6","2","1","4","3","7","1") = "6"
    & skf21("5","6","2","1","4","4","1","1") = "5"
    & skf21("5","6","2","1","4","4","2","1") = "5"
    & skf21("5","6","2","1","4","4","3","1") = "5"
    & skf21("5","6","2","1","4","4","4","1") = "5"
    & skf21("5","6","2","1","4","4","5","1") = "5"
    & skf21("5","6","2","1","4","4","6","1") = "5"
    & skf21("5","6","2","1","4","4","7","1") = "6"
    & skf21("5","6","2","1","4","5","1","1") = "5"
    & skf21("5","6","2","1","4","5","2","1") = "5"
    & skf21("5","6","2","1","4","5","3","1") = "5"
    & skf21("5","6","2","1","4","5","4","1") = "5"
    & skf21("5","6","2","1","4","5","5","1") = "5"
    & skf21("5","6","2","1","4","5","6","1") = "5"
    & skf21("5","6","2","1","4","5","7","1") = "6"
    & skf21("5","6","2","1","4","6","1","1") = "5"
    & skf21("5","6","2","1","4","6","2","1") = "5"
    & skf21("5","6","2","1","4","6","3","1") = "5"
    & skf21("5","6","2","1","4","6","4","1") = "5"
    & skf21("5","6","2","1","4","6","5","1") = "5"
    & skf21("5","6","2","1","4","6","6","1") = "5"
    & skf21("5","6","2","1","4","6","7","1") = "6"
    & skf21("5","6","2","1","4","7","1","1") = "6"
    & skf21("5","6","2","1","4","7","2","1") = "6"
    & skf21("5","6","2","1","4","7","3","1") = "6"
    & skf21("5","6","2","1","4","7","4","1") = "6"
    & skf21("5","6","2","1","4","7","5","1") = "6"
    & skf21("5","6","2","1","4","7","6","1") = "6"
    & skf21("5","6","2","1","4","7","7","1") = "6"
    & skf21("5","6","2","1","5","1","1","1") = "5"
    & skf21("5","6","2","1","5","1","2","1") = "5"
    & skf21("5","6","2","1","5","1","3","1") = "5"
    & skf21("5","6","2","1","5","1","4","1") = "5"
    & skf21("5","6","2","1","5","1","5","1") = "5"
    & skf21("5","6","2","1","5","1","6","1") = "5"
    & skf21("5","6","2","1","5","1","7","1") = "6"
    & skf21("5","6","2","1","5","2","1","1") = "5"
    & skf21("5","6","2","1","5","2","2","1") = "5"
    & skf21("5","6","2","1","5","2","3","1") = "5"
    & skf21("5","6","2","1","5","2","4","1") = "5"
    & skf21("5","6","2","1","5","2","5","1") = "5"
    & skf21("5","6","2","1","5","2","6","1") = "5"
    & skf21("5","6","2","1","5","2","7","1") = "6"
    & skf21("5","6","2","1","5","3","1","1") = "5"
    & skf21("5","6","2","1","5","3","2","1") = "5"
    & skf21("5","6","2","1","5","3","3","1") = "5"
    & skf21("5","6","2","1","5","3","4","1") = "5"
    & skf21("5","6","2","1","5","3","5","1") = "5"
    & skf21("5","6","2","1","5","3","6","1") = "5"
    & skf21("5","6","2","1","5","3","7","1") = "6"
    & skf21("5","6","2","1","5","4","1","1") = "5"
    & skf21("5","6","2","1","5","4","2","1") = "5"
    & skf21("5","6","2","1","5","4","3","1") = "5"
    & skf21("5","6","2","1","5","4","4","1") = "5"
    & skf21("5","6","2","1","5","4","5","1") = "5"
    & skf21("5","6","2","1","5","4","6","1") = "5"
    & skf21("5","6","2","1","5","4","7","1") = "6"
    & skf21("5","6","2","1","5","5","1","1") = "5"
    & skf21("5","6","2","1","5","5","2","1") = "5"
    & skf21("5","6","2","1","5","5","3","1") = "5"
    & skf21("5","6","2","1","5","5","4","1") = "5"
    & skf21("5","6","2","1","5","5","5","1") = "5"
    & skf21("5","6","2","1","5","5","6","1") = "5"
    & skf21("5","6","2","1","5","5","7","1") = "6"
    & skf21("5","6","2","1","5","6","1","1") = "5"
    & skf21("5","6","2","1","5","6","2","1") = "5"
    & skf21("5","6","2","1","5","6","3","1") = "5"
    & skf21("5","6","2","1","5","6","4","1") = "5"
    & skf21("5","6","2","1","5","6","5","1") = "5"
    & skf21("5","6","2","1","5","6","6","1") = "5"
    & skf21("5","6","2","1","5","6","7","1") = "6"
    & skf21("5","6","2","1","5","7","1","1") = "6"
    & skf21("5","6","2","1","5","7","2","1") = "6"
    & skf21("5","6","2","1","5","7","3","1") = "6"
    & skf21("5","6","2","1","5","7","4","1") = "6"
    & skf21("5","6","2","1","5","7","5","1") = "6"
    & skf21("5","6","2","1","5","7","6","1") = "6"
    & skf21("5","6","2","1","5","7","7","1") = "6"
    & skf21("5","6","2","1","6","1","1","1") = "5"
    & skf21("5","6","2","1","6","1","2","1") = "5"
    & skf21("5","6","2","1","6","1","3","1") = "5"
    & skf21("5","6","2","1","6","1","4","1") = "5"
    & skf21("5","6","2","1","6","1","5","1") = "5"
    & skf21("5","6","2","1","6","1","6","1") = "5"
    & skf21("5","6","2","1","6","1","7","1") = "6"
    & skf21("5","6","2","1","6","2","1","1") = "5"
    & skf21("5","6","2","1","6","2","2","1") = "5"
    & skf21("5","6","2","1","6","2","3","1") = "5"
    & skf21("5","6","2","1","6","2","4","1") = "5"
    & skf21("5","6","2","1","6","2","5","1") = "5"
    & skf21("5","6","2","1","6","2","6","1") = "5"
    & skf21("5","6","2","1","6","2","7","1") = "6"
    & skf21("5","6","2","1","6","3","1","1") = "5"
    & skf21("5","6","2","1","6","3","2","1") = "5"
    & skf21("5","6","2","1","6","3","3","1") = "5"
    & skf21("5","6","2","1","6","3","4","1") = "5"
    & skf21("5","6","2","1","6","3","5","1") = "5"
    & skf21("5","6","2","1","6","3","6","1") = "5"
    & skf21("5","6","2","1","6","3","7","1") = "6"
    & skf21("5","6","2","1","6","4","1","1") = "5"
    & skf21("5","6","2","1","6","4","2","1") = "5"
    & skf21("5","6","2","1","6","4","3","1") = "5"
    & skf21("5","6","2","1","6","4","4","1") = "5"
    & skf21("5","6","2","1","6","4","5","1") = "5"
    & skf21("5","6","2","1","6","4","6","1") = "5"
    & skf21("5","6","2","1","6","4","7","1") = "6"
    & skf21("5","6","2","1","6","5","1","1") = "5"
    & skf21("5","6","2","1","6","5","2","1") = "5"
    & skf21("5","6","2","1","6","5","3","1") = "5"
    & skf21("5","6","2","1","6","5","4","1") = "5"
    & skf21("5","6","2","1","6","5","5","1") = "5"
    & skf21("5","6","2","1","6","5","6","1") = "5"
    & skf21("5","6","2","1","6","5","7","1") = "6"
    & skf21("5","6","2","1","6","6","1","1") = "5"
    & skf21("5","6","2","1","6","6","2","1") = "5"
    & skf21("5","6","2","1","6","6","3","1") = "5"
    & skf21("5","6","2","1","6","6","4","1") = "5"
    & skf21("5","6","2","1","6","6","5","1") = "5"
    & skf21("5","6","2","1","6","6","6","1") = "5"
    & skf21("5","6","2","1","6","6","7","1") = "6"
    & skf21("5","6","2","1","6","7","1","1") = "6"
    & skf21("5","6","2","1","6","7","2","1") = "6"
    & skf21("5","6","2","1","6","7","3","1") = "6"
    & skf21("5","6","2","1","6","7","4","1") = "6"
    & skf21("5","6","2","1","6","7","5","1") = "6"
    & skf21("5","6","2","1","6","7","6","1") = "6"
    & skf21("5","6","2","1","6","7","7","1") = "6"
    & skf21("5","6","2","1","7","1","1","1") = "6"
    & skf21("5","6","2","1","7","1","2","1") = "6"
    & skf21("5","6","2","1","7","1","3","1") = "6"
    & skf21("5","6","2","1","7","1","4","1") = "6"
    & skf21("5","6","2","1","7","1","5","1") = "6"
    & skf21("5","6","2","1","7","1","6","1") = "6"
    & skf21("5","6","2","1","7","1","7","1") = "6"
    & skf21("5","6","2","1","7","2","1","1") = "6"
    & skf21("5","6","2","1","7","2","2","1") = "6"
    & skf21("5","6","2","1","7","2","3","1") = "6"
    & skf21("5","6","2","1","7","2","4","1") = "6"
    & skf21("5","6","2","1","7","2","5","1") = "6"
    & skf21("5","6","2","1","7","2","6","1") = "6"
    & skf21("5","6","2","1","7","2","7","1") = "6"
    & skf21("5","6","2","1","7","3","1","1") = "6"
    & skf21("5","6","2","1","7","3","2","1") = "6"
    & skf21("5","6","2","1","7","3","3","1") = "6"
    & skf21("5","6","2","1","7","3","4","1") = "6"
    & skf21("5","6","2","1","7","3","5","1") = "6"
    & skf21("5","6","2","1","7","3","6","1") = "6"
    & skf21("5","6","2","1","7","3","7","1") = "6"
    & skf21("5","6","2","1","7","4","1","1") = "6"
    & skf21("5","6","2","1","7","4","2","1") = "6"
    & skf21("5","6","2","1","7","4","3","1") = "6"
    & skf21("5","6","2","1","7","4","4","1") = "6"
    & skf21("5","6","2","1","7","4","5","1") = "6"
    & skf21("5","6","2","1","7","4","6","1") = "6"
    & skf21("5","6","2","1","7","4","7","1") = "6"
    & skf21("5","6","2","1","7","5","1","1") = "6"
    & skf21("5","6","2","1","7","5","2","1") = "6"
    & skf21("5","6","2","1","7","5","3","1") = "6"
    & skf21("5","6","2","1","7","5","4","1") = "6"
    & skf21("5","6","2","1","7","5","5","1") = "6"
    & skf21("5","6","2","1","7","5","6","1") = "6"
    & skf21("5","6","2","1","7","5","7","1") = "6"
    & skf21("5","6","2","1","7","6","1","1") = "6"
    & skf21("5","6","2","1","7","6","2","1") = "6"
    & skf21("5","6","2","1","7","6","3","1") = "6"
    & skf21("5","6","2","1","7","6","4","1") = "6"
    & skf21("5","6","2","1","7","6","5","1") = "6"
    & skf21("5","6","2","1","7","6","6","1") = "6"
    & skf21("5","6","2","1","7","6","7","1") = "6"
    & skf21("5","6","2","1","7","7","1","1") = "6"
    & skf21("5","6","2","1","7","7","2","1") = "6"
    & skf21("5","6","2","1","7","7","3","1") = "6"
    & skf21("5","6","2","1","7","7","4","1") = "6"
    & skf21("5","6","2","1","7","7","5","1") = "6"
    & skf21("5","6","2","1","7","7","6","1") = "6"
    & skf21("5","6","2","1","7","7","7","1") = "6"
    & skf21("5","6","2","2","1","1","1","1") = "5"
    & skf21("5","6","2","2","1","1","2","1") = "5"
    & skf21("5","6","2","2","1","1","3","1") = "5"
    & skf21("5","6","2","2","1","1","4","1") = "5"
    & skf21("5","6","2","2","1","1","5","1") = "5"
    & skf21("5","6","2","2","1","1","6","1") = "5"
    & skf21("5","6","2","2","1","1","7","1") = "6"
    & skf21("5","6","2","2","1","2","1","1") = "5"
    & skf21("5","6","2","2","1","2","2","1") = "5"
    & skf21("5","6","2","2","1","2","3","1") = "5"
    & skf21("5","6","2","2","1","2","4","1") = "5"
    & skf21("5","6","2","2","1","2","5","1") = "5"
    & skf21("5","6","2","2","1","2","6","1") = "5"
    & skf21("5","6","2","2","1","2","7","1") = "6"
    & skf21("5","6","2","2","1","3","1","1") = "5"
    & skf21("5","6","2","2","1","3","2","1") = "5"
    & skf21("5","6","2","2","1","3","3","1") = "5"
    & skf21("5","6","2","2","1","3","4","1") = "5"
    & skf21("5","6","2","2","1","3","5","1") = "5"
    & skf21("5","6","2","2","1","3","6","1") = "5"
    & skf21("5","6","2","2","1","3","7","1") = "6"
    & skf21("5","6","2","2","1","4","1","1") = "5"
    & skf21("5","6","2","2","1","4","2","1") = "5"
    & skf21("5","6","2","2","1","4","3","1") = "5"
    & skf21("5","6","2","2","1","4","4","1") = "5"
    & skf21("5","6","2","2","1","4","5","1") = "5"
    & skf21("5","6","2","2","1","4","6","1") = "5"
    & skf21("5","6","2","2","1","4","7","1") = "6"
    & skf21("5","6","2","2","1","5","1","1") = "5"
    & skf21("5","6","2","2","1","5","2","1") = "5"
    & skf21("5","6","2","2","1","5","3","1") = "5"
    & skf21("5","6","2","2","1","5","4","1") = "5"
    & skf21("5","6","2","2","1","5","5","1") = "5"
    & skf21("5","6","2","2","1","5","6","1") = "5"
    & skf21("5","6","2","2","1","5","7","1") = "6"
    & skf21("5","6","2","2","1","6","1","1") = "5"
    & skf21("5","6","2","2","1","6","2","1") = "5"
    & skf21("5","6","2","2","1","6","3","1") = "5"
    & skf21("5","6","2","2","1","6","4","1") = "5"
    & skf21("5","6","2","2","1","6","5","1") = "5"
    & skf21("5","6","2","2","1","6","6","1") = "5"
    & skf21("5","6","2","2","1","6","7","1") = "6"
    & skf21("5","6","2","2","1","7","1","1") = "6"
    & skf21("5","6","2","2","1","7","2","1") = "6"
    & skf21("5","6","2","2","1","7","3","1") = "6"
    & skf21("5","6","2","2","1","7","4","1") = "6"
    & skf21("5","6","2","2","1","7","5","1") = "6"
    & skf21("5","6","2","2","1","7","6","1") = "6"
    & skf21("5","6","2","2","1","7","7","1") = "6"
    & skf21("5","6","2","2","2","1","1","1") = "5"
    & skf21("5","6","2","2","2","1","2","1") = "5"
    & skf21("5","6","2","2","2","1","3","1") = "5"
    & skf21("5","6","2","2","2","1","4","1") = "5"
    & skf21("5","6","2","2","2","1","5","1") = "5"
    & skf21("5","6","2","2","2","1","6","1") = "5"
    & skf21("5","6","2","2","2","1","7","1") = "6"
    & skf21("5","6","2","2","2","2","1","1") = "5"
    & skf21("5","6","2","2","2","2","2","1") = "5"
    & skf21("5","6","2","2","2","2","3","1") = "5"
    & skf21("5","6","2","2","2","2","4","1") = "5"
    & skf21("5","6","2","2","2","2","5","1") = "5"
    & skf21("5","6","2","2","2","2","6","1") = "5"
    & skf21("5","6","2","2","2","2","7","1") = "6"
    & skf21("5","6","2","2","2","3","1","1") = "5"
    & skf21("5","6","2","2","2","3","2","1") = "5"
    & skf21("5","6","2","2","2","3","3","1") = "5"
    & skf21("5","6","2","2","2","3","4","1") = "5"
    & skf21("5","6","2","2","2","3","5","1") = "5"
    & skf21("5","6","2","2","2","3","6","1") = "5"
    & skf21("5","6","2","2","2","3","7","1") = "6"
    & skf21("5","6","2","2","2","4","1","1") = "5"
    & skf21("5","6","2","2","2","4","2","1") = "5"
    & skf21("5","6","2","2","2","4","3","1") = "5"
    & skf21("5","6","2","2","2","4","4","1") = "5"
    & skf21("5","6","2","2","2","4","5","1") = "5"
    & skf21("5","6","2","2","2","4","6","1") = "5"
    & skf21("5","6","2","2","2","4","7","1") = "6"
    & skf21("5","6","2","2","2","5","1","1") = "5"
    & skf21("5","6","2","2","2","5","2","1") = "5"
    & skf21("5","6","2","2","2","5","3","1") = "5"
    & skf21("5","6","2","2","2","5","4","1") = "5"
    & skf21("5","6","2","2","2","5","5","1") = "5"
    & skf21("5","6","2","2","2","5","6","1") = "5"
    & skf21("5","6","2","2","2","5","7","1") = "6"
    & skf21("5","6","2","2","2","6","1","1") = "5"
    & skf21("5","6","2","2","2","6","2","1") = "5"
    & skf21("5","6","2","2","2","6","3","1") = "5"
    & skf21("5","6","2","2","2","6","4","1") = "5"
    & skf21("5","6","2","2","2","6","5","1") = "5"
    & skf21("5","6","2","2","2","6","6","1") = "5"
    & skf21("5","6","2","2","2","6","7","1") = "6"
    & skf21("5","6","2","2","2","7","1","1") = "6"
    & skf21("5","6","2","2","2","7","2","1") = "6"
    & skf21("5","6","2","2","2","7","3","1") = "6"
    & skf21("5","6","2","2","2","7","4","1") = "6"
    & skf21("5","6","2","2","2","7","5","1") = "6"
    & skf21("5","6","2","2","2","7","6","1") = "6"
    & skf21("5","6","2","2","2","7","7","1") = "6"
    & skf21("5","6","2","2","3","1","1","1") = "5"
    & skf21("5","6","2","2","3","1","2","1") = "5"
    & skf21("5","6","2","2","3","1","3","1") = "5"
    & skf21("5","6","2","2","3","1","4","1") = "5"
    & skf21("5","6","2","2","3","1","5","1") = "5"
    & skf21("5","6","2","2","3","1","6","1") = "5"
    & skf21("5","6","2","2","3","1","7","1") = "6"
    & skf21("5","6","2","2","3","2","1","1") = "5"
    & skf21("5","6","2","2","3","2","2","1") = "5"
    & skf21("5","6","2","2","3","2","3","1") = "5"
    & skf21("5","6","2","2","3","2","4","1") = "5"
    & skf21("5","6","2","2","3","2","5","1") = "5"
    & skf21("5","6","2","2","3","2","6","1") = "5"
    & skf21("5","6","2","2","3","2","7","1") = "6"
    & skf21("5","6","2","2","3","3","1","1") = "5"
    & skf21("5","6","2","2","3","3","2","1") = "5"
    & skf21("5","6","2","2","3","3","3","1") = "5"
    & skf21("5","6","2","2","3","3","4","1") = "5"
    & skf21("5","6","2","2","3","3","5","1") = "5"
    & skf21("5","6","2","2","3","3","6","1") = "5"
    & skf21("5","6","2","2","3","3","7","1") = "6"
    & skf21("5","6","2","2","3","4","1","1") = "5"
    & skf21("5","6","2","2","3","4","2","1") = "5"
    & skf21("5","6","2","2","3","4","3","1") = "5"
    & skf21("5","6","2","2","3","4","4","1") = "5"
    & skf21("5","6","2","2","3","4","5","1") = "5"
    & skf21("5","6","2","2","3","4","6","1") = "5"
    & skf21("5","6","2","2","3","4","7","1") = "6"
    & skf21("5","6","2","2","3","5","1","1") = "5"
    & skf21("5","6","2","2","3","5","2","1") = "5"
    & skf21("5","6","2","2","3","5","3","1") = "5"
    & skf21("5","6","2","2","3","5","4","1") = "5"
    & skf21("5","6","2","2","3","5","5","1") = "5"
    & skf21("5","6","2","2","3","5","6","1") = "5"
    & skf21("5","6","2","2","3","5","7","1") = "6"
    & skf21("5","6","2","2","3","6","1","1") = "5"
    & skf21("5","6","2","2","3","6","2","1") = "5"
    & skf21("5","6","2","2","3","6","3","1") = "5"
    & skf21("5","6","2","2","3","6","4","1") = "5"
    & skf21("5","6","2","2","3","6","5","1") = "5"
    & skf21("5","6","2","2","3","6","6","1") = "5"
    & skf21("5","6","2","2","3","6","7","1") = "6"
    & skf21("5","6","2","2","3","7","1","1") = "6"
    & skf21("5","6","2","2","3","7","2","1") = "6"
    & skf21("5","6","2","2","3","7","3","1") = "6"
    & skf21("5","6","2","2","3","7","4","1") = "6"
    & skf21("5","6","2","2","3","7","5","1") = "6"
    & skf21("5","6","2","2","3","7","6","1") = "6"
    & skf21("5","6","2","2","3","7","7","1") = "6"
    & skf21("5","6","2","2","4","1","1","1") = "5"
    & skf21("5","6","2","2","4","1","2","1") = "5"
    & skf21("5","6","2","2","4","1","3","1") = "5"
    & skf21("5","6","2","2","4","1","4","1") = "5"
    & skf21("5","6","2","2","4","1","5","1") = "5"
    & skf21("5","6","2","2","4","1","6","1") = "5"
    & skf21("5","6","2","2","4","1","7","1") = "6"
    & skf21("5","6","2","2","4","2","1","1") = "5"
    & skf21("5","6","2","2","4","2","2","1") = "5"
    & skf21("5","6","2","2","4","2","3","1") = "5"
    & skf21("5","6","2","2","4","2","4","1") = "5"
    & skf21("5","6","2","2","4","2","5","1") = "5"
    & skf21("5","6","2","2","4","2","6","1") = "5"
    & skf21("5","6","2","2","4","2","7","1") = "6"
    & skf21("5","6","2","2","4","3","1","1") = "5"
    & skf21("5","6","2","2","4","3","2","1") = "5"
    & skf21("5","6","2","2","4","3","3","1") = "5"
    & skf21("5","6","2","2","4","3","4","1") = "5"
    & skf21("5","6","2","2","4","3","5","1") = "5"
    & skf21("5","6","2","2","4","3","6","1") = "5"
    & skf21("5","6","2","2","4","3","7","1") = "6"
    & skf21("5","6","2","2","4","4","1","1") = "5"
    & skf21("5","6","2","2","4","4","2","1") = "5"
    & skf21("5","6","2","2","4","4","3","1") = "5"
    & skf21("5","6","2","2","4","4","4","1") = "5"
    & skf21("5","6","2","2","4","4","5","1") = "5"
    & skf21("5","6","2","2","4","4","6","1") = "5"
    & skf21("5","6","2","2","4","4","7","1") = "6"
    & skf21("5","6","2","2","4","5","1","1") = "5"
    & skf21("5","6","2","2","4","5","2","1") = "5"
    & skf21("5","6","2","2","4","5","3","1") = "5"
    & skf21("5","6","2","2","4","5","4","1") = "5"
    & skf21("5","6","2","2","4","5","5","1") = "5"
    & skf21("5","6","2","2","4","5","6","1") = "5"
    & skf21("5","6","2","2","4","5","7","1") = "6"
    & skf21("5","6","2","2","4","6","1","1") = "5"
    & skf21("5","6","2","2","4","6","2","1") = "5"
    & skf21("5","6","2","2","4","6","3","1") = "5"
    & skf21("5","6","2","2","4","6","4","1") = "5"
    & skf21("5","6","2","2","4","6","5","1") = "5"
    & skf21("5","6","2","2","4","6","6","1") = "5"
    & skf21("5","6","2","2","4","6","7","1") = "6"
    & skf21("5","6","2","2","4","7","1","1") = "6"
    & skf21("5","6","2","2","4","7","2","1") = "6"
    & skf21("5","6","2","2","4","7","3","1") = "6"
    & skf21("5","6","2","2","4","7","4","1") = "6"
    & skf21("5","6","2","2","4","7","5","1") = "6"
    & skf21("5","6","2","2","4","7","6","1") = "6"
    & skf21("5","6","2","2","4","7","7","1") = "6"
    & skf21("5","6","2","2","5","1","1","1") = "5"
    & skf21("5","6","2","2","5","1","2","1") = "5"
    & skf21("5","6","2","2","5","1","3","1") = "5"
    & skf21("5","6","2","2","5","1","4","1") = "5"
    & skf21("5","6","2","2","5","1","5","1") = "5"
    & skf21("5","6","2","2","5","1","6","1") = "5"
    & skf21("5","6","2","2","5","1","7","1") = "6"
    & skf21("5","6","2","2","5","2","1","1") = "5"
    & skf21("5","6","2","2","5","2","2","1") = "5"
    & skf21("5","6","2","2","5","2","3","1") = "5"
    & skf21("5","6","2","2","5","2","4","1") = "5"
    & skf21("5","6","2","2","5","2","5","1") = "5"
    & skf21("5","6","2","2","5","2","6","1") = "5"
    & skf21("5","6","2","2","5","2","7","1") = "6"
    & skf21("5","6","2","2","5","3","1","1") = "5"
    & skf21("5","6","2","2","5","3","2","1") = "5"
    & skf21("5","6","2","2","5","3","3","1") = "5"
    & skf21("5","6","2","2","5","3","4","1") = "5"
    & skf21("5","6","2","2","5","3","5","1") = "5"
    & skf21("5","6","2","2","5","3","6","1") = "5"
    & skf21("5","6","2","2","5","3","7","1") = "6"
    & skf21("5","6","2","2","5","4","1","1") = "5"
    & skf21("5","6","2","2","5","4","2","1") = "5"
    & skf21("5","6","2","2","5","4","3","1") = "5"
    & skf21("5","6","2","2","5","4","4","1") = "5"
    & skf21("5","6","2","2","5","4","5","1") = "5"
    & skf21("5","6","2","2","5","4","6","1") = "5"
    & skf21("5","6","2","2","5","4","7","1") = "6"
    & skf21("5","6","2","2","5","5","1","1") = "5"
    & skf21("5","6","2","2","5","5","2","1") = "5"
    & skf21("5","6","2","2","5","5","3","1") = "5"
    & skf21("5","6","2","2","5","5","4","1") = "5"
    & skf21("5","6","2","2","5","5","5","1") = "5"
    & skf21("5","6","2","2","5","5","6","1") = "5"
    & skf21("5","6","2","2","5","5","7","1") = "6"
    & skf21("5","6","2","2","5","6","1","1") = "5"
    & skf21("5","6","2","2","5","6","2","1") = "5"
    & skf21("5","6","2","2","5","6","3","1") = "5"
    & skf21("5","6","2","2","5","6","4","1") = "5"
    & skf21("5","6","2","2","5","6","5","1") = "5"
    & skf21("5","6","2","2","5","6","6","1") = "5"
    & skf21("5","6","2","2","5","6","7","1") = "6"
    & skf21("5","6","2","2","5","7","1","1") = "6"
    & skf21("5","6","2","2","5","7","2","1") = "6"
    & skf21("5","6","2","2","5","7","3","1") = "6"
    & skf21("5","6","2","2","5","7","4","1") = "6"
    & skf21("5","6","2","2","5","7","5","1") = "6"
    & skf21("5","6","2","2","5","7","6","1") = "6"
    & skf21("5","6","2","2","5","7","7","1") = "6"
    & skf21("5","6","2","2","6","1","1","1") = "5"
    & skf21("5","6","2","2","6","1","2","1") = "5"
    & skf21("5","6","2","2","6","1","3","1") = "5"
    & skf21("5","6","2","2","6","1","4","1") = "5"
    & skf21("5","6","2","2","6","1","5","1") = "5"
    & skf21("5","6","2","2","6","1","6","1") = "5"
    & skf21("5","6","2","2","6","1","7","1") = "6"
    & skf21("5","6","2","2","6","2","1","1") = "5"
    & skf21("5","6","2","2","6","2","2","1") = "5"
    & skf21("5","6","2","2","6","2","3","1") = "5"
    & skf21("5","6","2","2","6","2","4","1") = "5"
    & skf21("5","6","2","2","6","2","5","1") = "5"
    & skf21("5","6","2","2","6","2","6","1") = "5"
    & skf21("5","6","2","2","6","2","7","1") = "6"
    & skf21("5","6","2","2","6","3","1","1") = "5"
    & skf21("5","6","2","2","6","3","2","1") = "5"
    & skf21("5","6","2","2","6","3","3","1") = "5"
    & skf21("5","6","2","2","6","3","4","1") = "5"
    & skf21("5","6","2","2","6","3","5","1") = "5"
    & skf21("5","6","2","2","6","3","6","1") = "5"
    & skf21("5","6","2","2","6","3","7","1") = "6"
    & skf21("5","6","2","2","6","4","1","1") = "5"
    & skf21("5","6","2","2","6","4","2","1") = "5"
    & skf21("5","6","2","2","6","4","3","1") = "5"
    & skf21("5","6","2","2","6","4","4","1") = "5"
    & skf21("5","6","2","2","6","4","5","1") = "5"
    & skf21("5","6","2","2","6","4","6","1") = "5"
    & skf21("5","6","2","2","6","4","7","1") = "6"
    & skf21("5","6","2","2","6","5","1","1") = "5"
    & skf21("5","6","2","2","6","5","2","1") = "5"
    & skf21("5","6","2","2","6","5","3","1") = "5"
    & skf21("5","6","2","2","6","5","4","1") = "5"
    & skf21("5","6","2","2","6","5","5","1") = "5"
    & skf21("5","6","2","2","6","5","6","1") = "5"
    & skf21("5","6","2","2","6","5","7","1") = "6"
    & skf21("5","6","2","2","6","6","1","1") = "5"
    & skf21("5","6","2","2","6","6","2","1") = "5"
    & skf21("5","6","2","2","6","6","3","1") = "5"
    & skf21("5","6","2","2","6","6","4","1") = "5"
    & skf21("5","6","2","2","6","6","5","1") = "5"
    & skf21("5","6","2","2","6","6","6","1") = "5"
    & skf21("5","6","2","2","6","6","7","1") = "6"
    & skf21("5","6","2","2","6","7","1","1") = "6"
    & skf21("5","6","2","2","6","7","2","1") = "6"
    & skf21("5","6","2","2","6","7","3","1") = "6"
    & skf21("5","6","2","2","6","7","4","1") = "6"
    & skf21("5","6","2","2","6","7","5","1") = "6"
    & skf21("5","6","2","2","6","7","6","1") = "6"
    & skf21("5","6","2","2","6","7","7","1") = "6"
    & skf21("5","6","2","2","7","1","1","1") = "6"
    & skf21("5","6","2","2","7","1","2","1") = "6"
    & skf21("5","6","2","2","7","1","3","1") = "6"
    & skf21("5","6","2","2","7","1","4","1") = "6"
    & skf21("5","6","2","2","7","1","5","1") = "6"
    & skf21("5","6","2","2","7","1","6","1") = "6"
    & skf21("5","6","2","2","7","1","7","1") = "6"
    & skf21("5","6","2","2","7","2","1","1") = "6"
    & skf21("5","6","2","2","7","2","2","1") = "6"
    & skf21("5","6","2","2","7","2","3","1") = "6"
    & skf21("5","6","2","2","7","2","4","1") = "6"
    & skf21("5","6","2","2","7","2","5","1") = "6"
    & skf21("5","6","2","2","7","2","6","1") = "6"
    & skf21("5","6","2","2","7","2","7","1") = "6"
    & skf21("5","6","2","2","7","3","1","1") = "6"
    & skf21("5","6","2","2","7","3","2","1") = "6"
    & skf21("5","6","2","2","7","3","3","1") = "6"
    & skf21("5","6","2","2","7","3","4","1") = "6"
    & skf21("5","6","2","2","7","3","5","1") = "6"
    & skf21("5","6","2","2","7","3","6","1") = "6"
    & skf21("5","6","2","2","7","3","7","1") = "6"
    & skf21("5","6","2","2","7","4","1","1") = "6"
    & skf21("5","6","2","2","7","4","2","1") = "6"
    & skf21("5","6","2","2","7","4","3","1") = "6"
    & skf21("5","6","2","2","7","4","4","1") = "6"
    & skf21("5","6","2","2","7","4","5","1") = "6"
    & skf21("5","6","2","2","7","4","6","1") = "6"
    & skf21("5","6","2","2","7","4","7","1") = "6"
    & skf21("5","6","2","2","7","5","1","1") = "6"
    & skf21("5","6","2","2","7","5","2","1") = "6"
    & skf21("5","6","2","2","7","5","3","1") = "6"
    & skf21("5","6","2","2","7","5","4","1") = "6"
    & skf21("5","6","2","2","7","5","5","1") = "6"
    & skf21("5","6","2","2","7","5","6","1") = "6"
    & skf21("5","6","2","2","7","5","7","1") = "6"
    & skf21("5","6","2","2","7","6","1","1") = "6"
    & skf21("5","6","2","2","7","6","2","1") = "6"
    & skf21("5","6","2","2","7","6","3","1") = "6"
    & skf21("5","6","2","2","7","6","4","1") = "6"
    & skf21("5","6","2","2","7","6","5","1") = "6"
    & skf21("5","6","2","2","7","6","6","1") = "6"
    & skf21("5","6","2","2","7","6","7","1") = "6"
    & skf21("5","6","2","2","7","7","1","1") = "6"
    & skf21("5","6","2","2","7","7","2","1") = "6"
    & skf21("5","6","2","2","7","7","3","1") = "6"
    & skf21("5","6","2","2","7","7","4","1") = "6"
    & skf21("5","6","2","2","7","7","5","1") = "6"
    & skf21("5","6","2","2","7","7","6","1") = "6"
    & skf21("5","6","2","2","7","7","7","1") = "6"
    & skf21("5","6","2","3","1","1","1","1") = "5"
    & skf21("5","6","2","3","1","1","2","1") = "5"
    & skf21("5","6","2","3","1","1","3","1") = "5"
    & skf21("5","6","2","3","1","1","4","1") = "5"
    & skf21("5","6","2","3","1","1","5","1") = "5"
    & skf21("5","6","2","3","1","1","6","1") = "5"
    & skf21("5","6","2","3","1","1","7","1") = "6"
    & skf21("5","6","2","3","1","2","1","1") = "5"
    & skf21("5","6","2","3","1","2","2","1") = "5"
    & skf21("5","6","2","3","1","2","3","1") = "5"
    & skf21("5","6","2","3","1","2","4","1") = "5"
    & skf21("5","6","2","3","1","2","5","1") = "5"
    & skf21("5","6","2","3","1","2","6","1") = "5"
    & skf21("5","6","2","3","1","2","7","1") = "6"
    & skf21("5","6","2","3","1","3","1","1") = "5"
    & skf21("5","6","2","3","1","3","2","1") = "5"
    & skf21("5","6","2","3","1","3","3","1") = "5"
    & skf21("5","6","2","3","1","3","4","1") = "5"
    & skf21("5","6","2","3","1","3","5","1") = "5"
    & skf21("5","6","2","3","1","3","6","1") = "5"
    & skf21("5","6","2","3","1","3","7","1") = "6"
    & skf21("5","6","2","3","1","4","1","1") = "5"
    & skf21("5","6","2","3","1","4","2","1") = "5"
    & skf21("5","6","2","3","1","4","3","1") = "5"
    & skf21("5","6","2","3","1","4","4","1") = "5"
    & skf21("5","6","2","3","1","4","5","1") = "5"
    & skf21("5","6","2","3","1","4","6","1") = "5"
    & skf21("5","6","2","3","1","4","7","1") = "6"
    & skf21("5","6","2","3","1","5","1","1") = "5"
    & skf21("5","6","2","3","1","5","2","1") = "5"
    & skf21("5","6","2","3","1","5","3","1") = "5"
    & skf21("5","6","2","3","1","5","4","1") = "5"
    & skf21("5","6","2","3","1","5","5","1") = "5"
    & skf21("5","6","2","3","1","5","6","1") = "5"
    & skf21("5","6","2","3","1","5","7","1") = "6"
    & skf21("5","6","2","3","1","6","1","1") = "5"
    & skf21("5","6","2","3","1","6","2","1") = "5"
    & skf21("5","6","2","3","1","6","3","1") = "5"
    & skf21("5","6","2","3","1","6","4","1") = "5"
    & skf21("5","6","2","3","1","6","5","1") = "5"
    & skf21("5","6","2","3","1","6","6","1") = "5"
    & skf21("5","6","2","3","1","6","7","1") = "6"
    & skf21("5","6","2","3","1","7","1","1") = "6"
    & skf21("5","6","2","3","1","7","2","1") = "6"
    & skf21("5","6","2","3","1","7","3","1") = "6"
    & skf21("5","6","2","3","1","7","4","1") = "6"
    & skf21("5","6","2","3","1","7","5","1") = "6"
    & skf21("5","6","2","3","1","7","6","1") = "6"
    & skf21("5","6","2","3","1","7","7","1") = "6"
    & skf21("5","6","2","3","2","1","1","1") = "5"
    & skf21("5","6","2","3","2","1","2","1") = "5"
    & skf21("5","6","2","3","2","1","3","1") = "5"
    & skf21("5","6","2","3","2","1","4","1") = "5"
    & skf21("5","6","2","3","2","1","5","1") = "5"
    & skf21("5","6","2","3","2","1","6","1") = "5"
    & skf21("5","6","2","3","2","1","7","1") = "6"
    & skf21("5","6","2","3","2","2","1","1") = "5"
    & skf21("5","6","2","3","2","2","2","1") = "5"
    & skf21("5","6","2","3","2","2","3","1") = "5"
    & skf21("5","6","2","3","2","2","4","1") = "5"
    & skf21("5","6","2","3","2","2","5","1") = "5"
    & skf21("5","6","2","3","2","2","6","1") = "5"
    & skf21("5","6","2","3","2","2","7","1") = "6"
    & skf21("5","6","2","3","2","3","1","1") = "5"
    & skf21("5","6","2","3","2","3","2","1") = "5"
    & skf21("5","6","2","3","2","3","3","1") = "5"
    & skf21("5","6","2","3","2","3","4","1") = "5"
    & skf21("5","6","2","3","2","3","5","1") = "5"
    & skf21("5","6","2","3","2","3","6","1") = "5"
    & skf21("5","6","2","3","2","3","7","1") = "6"
    & skf21("5","6","2","3","2","4","1","1") = "5"
    & skf21("5","6","2","3","2","4","2","1") = "5"
    & skf21("5","6","2","3","2","4","3","1") = "5"
    & skf21("5","6","2","3","2","4","4","1") = "5"
    & skf21("5","6","2","3","2","4","5","1") = "5"
    & skf21("5","6","2","3","2","4","6","1") = "5"
    & skf21("5","6","2","3","2","4","7","1") = "6"
    & skf21("5","6","2","3","2","5","1","1") = "5"
    & skf21("5","6","2","3","2","5","2","1") = "5"
    & skf21("5","6","2","3","2","5","3","1") = "5"
    & skf21("5","6","2","3","2","5","4","1") = "5"
    & skf21("5","6","2","3","2","5","5","1") = "5"
    & skf21("5","6","2","3","2","5","6","1") = "5"
    & skf21("5","6","2","3","2","5","7","1") = "6"
    & skf21("5","6","2","3","2","6","1","1") = "5"
    & skf21("5","6","2","3","2","6","2","1") = "5"
    & skf21("5","6","2","3","2","6","3","1") = "5"
    & skf21("5","6","2","3","2","6","4","1") = "5"
    & skf21("5","6","2","3","2","6","5","1") = "5"
    & skf21("5","6","2","3","2","6","6","1") = "5"
    & skf21("5","6","2","3","2","6","7","1") = "6"
    & skf21("5","6","2","3","2","7","1","1") = "6"
    & skf21("5","6","2","3","2","7","2","1") = "6"
    & skf21("5","6","2","3","2","7","3","1") = "6"
    & skf21("5","6","2","3","2","7","4","1") = "6"
    & skf21("5","6","2","3","2","7","5","1") = "6"
    & skf21("5","6","2","3","2","7","6","1") = "6"
    & skf21("5","6","2","3","2","7","7","1") = "6"
    & skf21("5","6","2","3","3","1","1","1") = "5"
    & skf21("5","6","2","3","3","1","2","1") = "5"
    & skf21("5","6","2","3","3","1","3","1") = "5"
    & skf21("5","6","2","3","3","1","4","1") = "5"
    & skf21("5","6","2","3","3","1","5","1") = "5"
    & skf21("5","6","2","3","3","1","6","1") = "5"
    & skf21("5","6","2","3","3","1","7","1") = "6"
    & skf21("5","6","2","3","3","2","1","1") = "5"
    & skf21("5","6","2","3","3","2","2","1") = "5"
    & skf21("5","6","2","3","3","2","3","1") = "5"
    & skf21("5","6","2","3","3","2","4","1") = "5"
    & skf21("5","6","2","3","3","2","5","1") = "5"
    & skf21("5","6","2","3","3","2","6","1") = "5"
    & skf21("5","6","2","3","3","2","7","1") = "6"
    & skf21("5","6","2","3","3","3","1","1") = "5"
    & skf21("5","6","2","3","3","3","2","1") = "5"
    & skf21("5","6","2","3","3","3","3","1") = "5"
    & skf21("5","6","2","3","3","3","4","1") = "5"
    & skf21("5","6","2","3","3","3","5","1") = "5"
    & skf21("5","6","2","3","3","3","6","1") = "5"
    & skf21("5","6","2","3","3","3","7","1") = "6"
    & skf21("5","6","2","3","3","4","1","1") = "5"
    & skf21("5","6","2","3","3","4","2","1") = "5"
    & skf21("5","6","2","3","3","4","3","1") = "5"
    & skf21("5","6","2","3","3","4","4","1") = "5"
    & skf21("5","6","2","3","3","4","5","1") = "5"
    & skf21("5","6","2","3","3","4","6","1") = "5"
    & skf21("5","6","2","3","3","4","7","1") = "6"
    & skf21("5","6","2","3","3","5","1","1") = "5"
    & skf21("5","6","2","3","3","5","2","1") = "5"
    & skf21("5","6","2","3","3","5","3","1") = "5"
    & skf21("5","6","2","3","3","5","4","1") = "5"
    & skf21("5","6","2","3","3","5","5","1") = "5"
    & skf21("5","6","2","3","3","5","6","1") = "5"
    & skf21("5","6","2","3","3","5","7","1") = "6"
    & skf21("5","6","2","3","3","6","1","1") = "5"
    & skf21("5","6","2","3","3","6","2","1") = "5"
    & skf21("5","6","2","3","3","6","3","1") = "5"
    & skf21("5","6","2","3","3","6","4","1") = "5"
    & skf21("5","6","2","3","3","6","5","1") = "5"
    & skf21("5","6","2","3","3","6","6","1") = "5"
    & skf21("5","6","2","3","3","6","7","1") = "6"
    & skf21("5","6","2","3","3","7","1","1") = "6"
    & skf21("5","6","2","3","3","7","2","1") = "6"
    & skf21("5","6","2","3","3","7","3","1") = "6"
    & skf21("5","6","2","3","3","7","4","1") = "6"
    & skf21("5","6","2","3","3","7","5","1") = "6"
    & skf21("5","6","2","3","3","7","6","1") = "6"
    & skf21("5","6","2","3","3","7","7","1") = "6"
    & skf21("5","6","2","3","4","1","1","1") = "5"
    & skf21("5","6","2","3","4","1","2","1") = "5"
    & skf21("5","6","2","3","4","1","3","1") = "5"
    & skf21("5","6","2","3","4","1","4","1") = "5"
    & skf21("5","6","2","3","4","1","5","1") = "5"
    & skf21("5","6","2","3","4","1","6","1") = "5"
    & skf21("5","6","2","3","4","1","7","1") = "6"
    & skf21("5","6","2","3","4","2","1","1") = "5"
    & skf21("5","6","2","3","4","2","2","1") = "5"
    & skf21("5","6","2","3","4","2","3","1") = "5"
    & skf21("5","6","2","3","4","2","4","1") = "5"
    & skf21("5","6","2","3","4","2","5","1") = "5"
    & skf21("5","6","2","3","4","2","6","1") = "5"
    & skf21("5","6","2","3","4","2","7","1") = "6"
    & skf21("5","6","2","3","4","3","1","1") = "5"
    & skf21("5","6","2","3","4","3","2","1") = "5"
    & skf21("5","6","2","3","4","3","3","1") = "5"
    & skf21("5","6","2","3","4","3","4","1") = "5"
    & skf21("5","6","2","3","4","3","5","1") = "5"
    & skf21("5","6","2","3","4","3","6","1") = "5"
    & skf21("5","6","2","3","4","3","7","1") = "6"
    & skf21("5","6","2","3","4","4","1","1") = "5"
    & skf21("5","6","2","3","4","4","2","1") = "5"
    & skf21("5","6","2","3","4","4","3","1") = "5"
    & skf21("5","6","2","3","4","4","4","1") = "5"
    & skf21("5","6","2","3","4","4","5","1") = "5"
    & skf21("5","6","2","3","4","4","6","1") = "5"
    & skf21("5","6","2","3","4","4","7","1") = "6"
    & skf21("5","6","2","3","4","5","1","1") = "5"
    & skf21("5","6","2","3","4","5","2","1") = "5"
    & skf21("5","6","2","3","4","5","3","1") = "5"
    & skf21("5","6","2","3","4","5","4","1") = "5"
    & skf21("5","6","2","3","4","5","5","1") = "5"
    & skf21("5","6","2","3","4","5","6","1") = "5"
    & skf21("5","6","2","3","4","5","7","1") = "6"
    & skf21("5","6","2","3","4","6","1","1") = "5"
    & skf21("5","6","2","3","4","6","2","1") = "5"
    & skf21("5","6","2","3","4","6","3","1") = "5"
    & skf21("5","6","2","3","4","6","4","1") = "5"
    & skf21("5","6","2","3","4","6","5","1") = "5"
    & skf21("5","6","2","3","4","6","6","1") = "5"
    & skf21("5","6","2","3","4","6","7","1") = "6"
    & skf21("5","6","2","3","4","7","1","1") = "6"
    & skf21("5","6","2","3","4","7","2","1") = "6"
    & skf21("5","6","2","3","4","7","3","1") = "6"
    & skf21("5","6","2","3","4","7","4","1") = "6"
    & skf21("5","6","2","3","4","7","5","1") = "6"
    & skf21("5","6","2","3","4","7","6","1") = "6"
    & skf21("5","6","2","3","4","7","7","1") = "6"
    & skf21("5","6","2","3","5","1","1","1") = "5"
    & skf21("5","6","2","3","5","1","2","1") = "5"
    & skf21("5","6","2","3","5","1","3","1") = "5"
    & skf21("5","6","2","3","5","1","4","1") = "5"
    & skf21("5","6","2","3","5","1","5","1") = "5"
    & skf21("5","6","2","3","5","1","6","1") = "5"
    & skf21("5","6","2","3","5","1","7","1") = "6"
    & skf21("5","6","2","3","5","2","1","1") = "5"
    & skf21("5","6","2","3","5","2","2","1") = "5"
    & skf21("5","6","2","3","5","2","3","1") = "5"
    & skf21("5","6","2","3","5","2","4","1") = "5"
    & skf21("5","6","2","3","5","2","5","1") = "5"
    & skf21("5","6","2","3","5","2","6","1") = "5"
    & skf21("5","6","2","3","5","2","7","1") = "6"
    & skf21("5","6","2","3","5","3","1","1") = "5"
    & skf21("5","6","2","3","5","3","2","1") = "5"
    & skf21("5","6","2","3","5","3","3","1") = "5"
    & skf21("5","6","2","3","5","3","4","1") = "5"
    & skf21("5","6","2","3","5","3","5","1") = "5"
    & skf21("5","6","2","3","5","3","6","1") = "5"
    & skf21("5","6","2","3","5","3","7","1") = "6"
    & skf21("5","6","2","3","5","4","1","1") = "5"
    & skf21("5","6","2","3","5","4","2","1") = "5"
    & skf21("5","6","2","3","5","4","3","1") = "5"
    & skf21("5","6","2","3","5","4","4","1") = "5"
    & skf21("5","6","2","3","5","4","5","1") = "5"
    & skf21("5","6","2","3","5","4","6","1") = "5"
    & skf21("5","6","2","3","5","4","7","1") = "6"
    & skf21("5","6","2","3","5","5","1","1") = "5"
    & skf21("5","6","2","3","5","5","2","1") = "5"
    & skf21("5","6","2","3","5","5","3","1") = "5"
    & skf21("5","6","2","3","5","5","4","1") = "5"
    & skf21("5","6","2","3","5","5","5","1") = "5"
    & skf21("5","6","2","3","5","5","6","1") = "5"
    & skf21("5","6","2","3","5","5","7","1") = "6"
    & skf21("5","6","2","3","5","6","1","1") = "5"
    & skf21("5","6","2","3","5","6","2","1") = "5"
    & skf21("5","6","2","3","5","6","3","1") = "5"
    & skf21("5","6","2","3","5","6","4","1") = "5"
    & skf21("5","6","2","3","5","6","5","1") = "5"
    & skf21("5","6","2","3","5","6","6","1") = "5"
    & skf21("5","6","2","3","5","6","7","1") = "6"
    & skf21("5","6","2","3","5","7","1","1") = "6"
    & skf21("5","6","2","3","5","7","2","1") = "6"
    & skf21("5","6","2","3","5","7","3","1") = "6"
    & skf21("5","6","2","3","5","7","4","1") = "6"
    & skf21("5","6","2","3","5","7","5","1") = "6"
    & skf21("5","6","2","3","5","7","6","1") = "6"
    & skf21("5","6","2","3","5","7","7","1") = "6"
    & skf21("5","6","2","3","6","1","1","1") = "5"
    & skf21("5","6","2","3","6","1","2","1") = "5"
    & skf21("5","6","2","3","6","1","3","1") = "5"
    & skf21("5","6","2","3","6","1","4","1") = "5"
    & skf21("5","6","2","3","6","1","5","1") = "5"
    & skf21("5","6","2","3","6","1","6","1") = "5"
    & skf21("5","6","2","3","6","1","7","1") = "6"
    & skf21("5","6","2","3","6","2","1","1") = "5"
    & skf21("5","6","2","3","6","2","2","1") = "5"
    & skf21("5","6","2","3","6","2","3","1") = "5"
    & skf21("5","6","2","3","6","2","4","1") = "5"
    & skf21("5","6","2","3","6","2","5","1") = "5"
    & skf21("5","6","2","3","6","2","6","1") = "5"
    & skf21("5","6","2","3","6","2","7","1") = "6"
    & skf21("5","6","2","3","6","3","1","1") = "5"
    & skf21("5","6","2","3","6","3","2","1") = "5"
    & skf21("5","6","2","3","6","3","3","1") = "5"
    & skf21("5","6","2","3","6","3","4","1") = "5"
    & skf21("5","6","2","3","6","3","5","1") = "5"
    & skf21("5","6","2","3","6","3","6","1") = "5"
    & skf21("5","6","2","3","6","3","7","1") = "6"
    & skf21("5","6","2","3","6","4","1","1") = "5"
    & skf21("5","6","2","3","6","4","2","1") = "5"
    & skf21("5","6","2","3","6","4","3","1") = "5"
    & skf21("5","6","2","3","6","4","4","1") = "5"
    & skf21("5","6","2","3","6","4","5","1") = "5"
    & skf21("5","6","2","3","6","4","6","1") = "5"
    & skf21("5","6","2","3","6","4","7","1") = "6"
    & skf21("5","6","2","3","6","5","1","1") = "5"
    & skf21("5","6","2","3","6","5","2","1") = "5"
    & skf21("5","6","2","3","6","5","3","1") = "5"
    & skf21("5","6","2","3","6","5","4","1") = "5"
    & skf21("5","6","2","3","6","5","5","1") = "5"
    & skf21("5","6","2","3","6","5","6","1") = "5"
    & skf21("5","6","2","3","6","5","7","1") = "6"
    & skf21("5","6","2","3","6","6","1","1") = "5"
    & skf21("5","6","2","3","6","6","2","1") = "5"
    & skf21("5","6","2","3","6","6","3","1") = "5"
    & skf21("5","6","2","3","6","6","4","1") = "5"
    & skf21("5","6","2","3","6","6","5","1") = "5"
    & skf21("5","6","2","3","6","6","6","1") = "5"
    & skf21("5","6","2","3","6","6","7","1") = "6"
    & skf21("5","6","2","3","6","7","1","1") = "6"
    & skf21("5","6","2","3","6","7","2","1") = "6"
    & skf21("5","6","2","3","6","7","3","1") = "6"
    & skf21("5","6","2","3","6","7","4","1") = "6"
    & skf21("5","6","2","3","6","7","5","1") = "6"
    & skf21("5","6","2","3","6","7","6","1") = "6"
    & skf21("5","6","2","3","6","7","7","1") = "6"
    & skf21("5","6","2","3","7","1","1","1") = "6"
    & skf21("5","6","2","3","7","1","2","1") = "6"
    & skf21("5","6","2","3","7","1","3","1") = "6"
    & skf21("5","6","2","3","7","1","4","1") = "6"
    & skf21("5","6","2","3","7","1","5","1") = "6"
    & skf21("5","6","2","3","7","1","6","1") = "6"
    & skf21("5","6","2","3","7","1","7","1") = "6"
    & skf21("5","6","2","3","7","2","1","1") = "6"
    & skf21("5","6","2","3","7","2","2","1") = "6"
    & skf21("5","6","2","3","7","2","3","1") = "6"
    & skf21("5","6","2","3","7","2","4","1") = "6"
    & skf21("5","6","2","3","7","2","5","1") = "6"
    & skf21("5","6","2","3","7","2","6","1") = "6"
    & skf21("5","6","2","3","7","2","7","1") = "6"
    & skf21("5","6","2","3","7","3","1","1") = "6"
    & skf21("5","6","2","3","7","3","2","1") = "6"
    & skf21("5","6","2","3","7","3","3","1") = "6"
    & skf21("5","6","2","3","7","3","4","1") = "6"
    & skf21("5","6","2","3","7","3","5","1") = "6"
    & skf21("5","6","2","3","7","3","6","1") = "6"
    & skf21("5","6","2","3","7","3","7","1") = "6"
    & skf21("5","6","2","3","7","4","1","1") = "6"
    & skf21("5","6","2","3","7","4","2","1") = "6"
    & skf21("5","6","2","3","7","4","3","1") = "6"
    & skf21("5","6","2","3","7","4","4","1") = "6"
    & skf21("5","6","2","3","7","4","5","1") = "6"
    & skf21("5","6","2","3","7","4","6","1") = "6"
    & skf21("5","6","2","3","7","4","7","1") = "6"
    & skf21("5","6","2","3","7","5","1","1") = "6"
    & skf21("5","6","2","3","7","5","2","1") = "6"
    & skf21("5","6","2","3","7","5","3","1") = "6"
    & skf21("5","6","2","3","7","5","4","1") = "6"
    & skf21("5","6","2","3","7","5","5","1") = "6"
    & skf21("5","6","2","3","7","5","6","1") = "6"
    & skf21("5","6","2","3","7","5","7","1") = "6"
    & skf21("5","6","2","3","7","6","1","1") = "6"
    & skf21("5","6","2","3","7","6","2","1") = "6"
    & skf21("5","6","2","3","7","6","3","1") = "6"
    & skf21("5","6","2","3","7","6","4","1") = "6"
    & skf21("5","6","2","3","7","6","5","1") = "6"
    & skf21("5","6","2","3","7","6","6","1") = "6"
    & skf21("5","6","2","3","7","6","7","1") = "6"
    & skf21("5","6","2","3","7","7","1","1") = "6"
    & skf21("5","6","2","3","7","7","2","1") = "6"
    & skf21("5","6","2","3","7","7","3","1") = "6"
    & skf21("5","6","2","3","7","7","4","1") = "6"
    & skf21("5","6","2","3","7","7","5","1") = "6"
    & skf21("5","6","2","3","7","7","6","1") = "6"
    & skf21("5","6","2","3","7","7","7","1") = "6"
    & skf21("5","6","2","4","1","1","1","1") = "5"
    & skf21("5","6","2","4","1","1","2","1") = "5"
    & skf21("5","6","2","4","1","1","3","1") = "5"
    & skf21("5","6","2","4","1","1","4","1") = "5"
    & skf21("5","6","2","4","1","1","5","1") = "5"
    & skf21("5","6","2","4","1","1","6","1") = "5"
    & skf21("5","6","2","4","1","1","7","1") = "6"
    & skf21("5","6","2","4","1","2","1","1") = "5"
    & skf21("5","6","2","4","1","2","2","1") = "5"
    & skf21("5","6","2","4","1","2","3","1") = "5"
    & skf21("5","6","2","4","1","2","4","1") = "5"
    & skf21("5","6","2","4","1","2","5","1") = "5"
    & skf21("5","6","2","4","1","2","6","1") = "5"
    & skf21("5","6","2","4","1","2","7","1") = "6"
    & skf21("5","6","2","4","1","3","1","1") = "5"
    & skf21("5","6","2","4","1","3","2","1") = "5"
    & skf21("5","6","2","4","1","3","3","1") = "5"
    & skf21("5","6","2","4","1","3","4","1") = "5"
    & skf21("5","6","2","4","1","3","5","1") = "5"
    & skf21("5","6","2","4","1","3","6","1") = "5"
    & skf21("5","6","2","4","1","3","7","1") = "6"
    & skf21("5","6","2","4","1","4","1","1") = "5"
    & skf21("5","6","2","4","1","4","2","1") = "5"
    & skf21("5","6","2","4","1","4","3","1") = "5"
    & skf21("5","6","2","4","1","4","4","1") = "5"
    & skf21("5","6","2","4","1","4","5","1") = "5"
    & skf21("5","6","2","4","1","4","6","1") = "5"
    & skf21("5","6","2","4","1","4","7","1") = "6"
    & skf21("5","6","2","4","1","5","1","1") = "5"
    & skf21("5","6","2","4","1","5","2","1") = "5"
    & skf21("5","6","2","4","1","5","3","1") = "5"
    & skf21("5","6","2","4","1","5","4","1") = "5"
    & skf21("5","6","2","4","1","5","5","1") = "5"
    & skf21("5","6","2","4","1","5","6","1") = "5"
    & skf21("5","6","2","4","1","5","7","1") = "6"
    & skf21("5","6","2","4","1","6","1","1") = "5"
    & skf21("5","6","2","4","1","6","2","1") = "5"
    & skf21("5","6","2","4","1","6","3","1") = "5"
    & skf21("5","6","2","4","1","6","4","1") = "5"
    & skf21("5","6","2","4","1","6","5","1") = "5"
    & skf21("5","6","2","4","1","6","6","1") = "5"
    & skf21("5","6","2","4","1","6","7","1") = "6"
    & skf21("5","6","2","4","1","7","1","1") = "6"
    & skf21("5","6","2","4","1","7","2","1") = "6"
    & skf21("5","6","2","4","1","7","3","1") = "6"
    & skf21("5","6","2","4","1","7","4","1") = "6"
    & skf21("5","6","2","4","1","7","5","1") = "6"
    & skf21("5","6","2","4","1","7","6","1") = "6"
    & skf21("5","6","2","4","1","7","7","1") = "6"
    & skf21("5","6","2","4","2","1","1","1") = "5"
    & skf21("5","6","2","4","2","1","2","1") = "5"
    & skf21("5","6","2","4","2","1","3","1") = "5"
    & skf21("5","6","2","4","2","1","4","1") = "5"
    & skf21("5","6","2","4","2","1","5","1") = "5"
    & skf21("5","6","2","4","2","1","6","1") = "5"
    & skf21("5","6","2","4","2","1","7","1") = "6"
    & skf21("5","6","2","4","2","2","1","1") = "5"
    & skf21("5","6","2","4","2","2","2","1") = "5"
    & skf21("5","6","2","4","2","2","3","1") = "5"
    & skf21("5","6","2","4","2","2","4","1") = "5"
    & skf21("5","6","2","4","2","2","5","1") = "5"
    & skf21("5","6","2","4","2","2","6","1") = "5"
    & skf21("5","6","2","4","2","2","7","1") = "6"
    & skf21("5","6","2","4","2","3","1","1") = "5"
    & skf21("5","6","2","4","2","3","2","1") = "5"
    & skf21("5","6","2","4","2","3","3","1") = "5"
    & skf21("5","6","2","4","2","3","4","1") = "5"
    & skf21("5","6","2","4","2","3","5","1") = "5"
    & skf21("5","6","2","4","2","3","6","1") = "5"
    & skf21("5","6","2","4","2","3","7","1") = "6"
    & skf21("5","6","2","4","2","4","1","1") = "5"
    & skf21("5","6","2","4","2","4","2","1") = "5"
    & skf21("5","6","2","4","2","4","3","1") = "5"
    & skf21("5","6","2","4","2","4","4","1") = "5"
    & skf21("5","6","2","4","2","4","5","1") = "5"
    & skf21("5","6","2","4","2","4","6","1") = "5"
    & skf21("5","6","2","4","2","4","7","1") = "6"
    & skf21("5","6","2","4","2","5","1","1") = "5"
    & skf21("5","6","2","4","2","5","2","1") = "5"
    & skf21("5","6","2","4","2","5","3","1") = "5"
    & skf21("5","6","2","4","2","5","4","1") = "5"
    & skf21("5","6","2","4","2","5","5","1") = "5"
    & skf21("5","6","2","4","2","5","6","1") = "5"
    & skf21("5","6","2","4","2","5","7","1") = "6"
    & skf21("5","6","2","4","2","6","1","1") = "5"
    & skf21("5","6","2","4","2","6","2","1") = "5"
    & skf21("5","6","2","4","2","6","3","1") = "5"
    & skf21("5","6","2","4","2","6","4","1") = "5"
    & skf21("5","6","2","4","2","6","5","1") = "5"
    & skf21("5","6","2","4","2","6","6","1") = "5"
    & skf21("5","6","2","4","2","6","7","1") = "6"
    & skf21("5","6","2","4","2","7","1","1") = "6"
    & skf21("5","6","2","4","2","7","2","1") = "6"
    & skf21("5","6","2","4","2","7","3","1") = "6"
    & skf21("5","6","2","4","2","7","4","1") = "6"
    & skf21("5","6","2","4","2","7","5","1") = "6"
    & skf21("5","6","2","4","2","7","6","1") = "6"
    & skf21("5","6","2","4","2","7","7","1") = "6"
    & skf21("5","6","2","4","3","1","1","1") = "5"
    & skf21("5","6","2","4","3","1","2","1") = "5"
    & skf21("5","6","2","4","3","1","3","1") = "5"
    & skf21("5","6","2","4","3","1","4","1") = "5"
    & skf21("5","6","2","4","3","1","5","1") = "5"
    & skf21("5","6","2","4","3","1","6","1") = "5"
    & skf21("5","6","2","4","3","1","7","1") = "6"
    & skf21("5","6","2","4","3","2","1","1") = "5"
    & skf21("5","6","2","4","3","2","2","1") = "5"
    & skf21("5","6","2","4","3","2","3","1") = "5"
    & skf21("5","6","2","4","3","2","4","1") = "5"
    & skf21("5","6","2","4","3","2","5","1") = "5"
    & skf21("5","6","2","4","3","2","6","1") = "5"
    & skf21("5","6","2","4","3","2","7","1") = "6"
    & skf21("5","6","2","4","3","3","1","1") = "5"
    & skf21("5","6","2","4","3","3","2","1") = "5"
    & skf21("5","6","2","4","3","3","3","1") = "5"
    & skf21("5","6","2","4","3","3","4","1") = "5"
    & skf21("5","6","2","4","3","3","5","1") = "5"
    & skf21("5","6","2","4","3","3","6","1") = "5"
    & skf21("5","6","2","4","3","3","7","1") = "6"
    & skf21("5","6","2","4","3","4","1","1") = "5"
    & skf21("5","6","2","4","3","4","2","1") = "5"
    & skf21("5","6","2","4","3","4","3","1") = "5"
    & skf21("5","6","2","4","3","4","4","1") = "5"
    & skf21("5","6","2","4","3","4","5","1") = "5"
    & skf21("5","6","2","4","3","4","6","1") = "5"
    & skf21("5","6","2","4","3","4","7","1") = "6"
    & skf21("5","6","2","4","3","5","1","1") = "5"
    & skf21("5","6","2","4","3","5","2","1") = "5"
    & skf21("5","6","2","4","3","5","3","1") = "5"
    & skf21("5","6","2","4","3","5","4","1") = "5"
    & skf21("5","6","2","4","3","5","5","1") = "5"
    & skf21("5","6","2","4","3","5","6","1") = "5"
    & skf21("5","6","2","4","3","5","7","1") = "6"
    & skf21("5","6","2","4","3","6","1","1") = "5"
    & skf21("5","6","2","4","3","6","2","1") = "5"
    & skf21("5","6","2","4","3","6","3","1") = "5"
    & skf21("5","6","2","4","3","6","4","1") = "5"
    & skf21("5","6","2","4","3","6","5","1") = "5"
    & skf21("5","6","2","4","3","6","6","1") = "5"
    & skf21("5","6","2","4","3","6","7","1") = "6"
    & skf21("5","6","2","4","3","7","1","1") = "6"
    & skf21("5","6","2","4","3","7","2","1") = "6"
    & skf21("5","6","2","4","3","7","3","1") = "6"
    & skf21("5","6","2","4","3","7","4","1") = "6"
    & skf21("5","6","2","4","3","7","5","1") = "6"
    & skf21("5","6","2","4","3","7","6","1") = "6"
    & skf21("5","6","2","4","3","7","7","1") = "6"
    & skf21("5","6","2","4","4","1","1","1") = "5"
    & skf21("5","6","2","4","4","1","2","1") = "5"
    & skf21("5","6","2","4","4","1","3","1") = "5"
    & skf21("5","6","2","4","4","1","4","1") = "5"
    & skf21("5","6","2","4","4","1","5","1") = "5"
    & skf21("5","6","2","4","4","1","6","1") = "5"
    & skf21("5","6","2","4","4","1","7","1") = "6"
    & skf21("5","6","2","4","4","2","1","1") = "5"
    & skf21("5","6","2","4","4","2","2","1") = "5"
    & skf21("5","6","2","4","4","2","3","1") = "5"
    & skf21("5","6","2","4","4","2","4","1") = "5"
    & skf21("5","6","2","4","4","2","5","1") = "5"
    & skf21("5","6","2","4","4","2","6","1") = "5"
    & skf21("5","6","2","4","4","2","7","1") = "6"
    & skf21("5","6","2","4","4","3","1","1") = "5"
    & skf21("5","6","2","4","4","3","2","1") = "5"
    & skf21("5","6","2","4","4","3","3","1") = "5"
    & skf21("5","6","2","4","4","3","4","1") = "5"
    & skf21("5","6","2","4","4","3","5","1") = "5"
    & skf21("5","6","2","4","4","3","6","1") = "5"
    & skf21("5","6","2","4","4","3","7","1") = "6"
    & skf21("5","6","2","4","4","4","1","1") = "5"
    & skf21("5","6","2","4","4","4","2","1") = "5"
    & skf21("5","6","2","4","4","4","3","1") = "5"
    & skf21("5","6","2","4","4","4","4","1") = "5"
    & skf21("5","6","2","4","4","4","5","1") = "5"
    & skf21("5","6","2","4","4","4","6","1") = "5"
    & skf21("5","6","2","4","4","4","7","1") = "6"
    & skf21("5","6","2","4","4","5","1","1") = "5"
    & skf21("5","6","2","4","4","5","2","1") = "5"
    & skf21("5","6","2","4","4","5","3","1") = "5"
    & skf21("5","6","2","4","4","5","4","1") = "5"
    & skf21("5","6","2","4","4","5","5","1") = "5"
    & skf21("5","6","2","4","4","5","6","1") = "5"
    & skf21("5","6","2","4","4","5","7","1") = "6"
    & skf21("5","6","2","4","4","6","1","1") = "5"
    & skf21("5","6","2","4","4","6","2","1") = "5"
    & skf21("5","6","2","4","4","6","3","1") = "5"
    & skf21("5","6","2","4","4","6","4","1") = "5"
    & skf21("5","6","2","4","4","6","5","1") = "5"
    & skf21("5","6","2","4","4","6","6","1") = "5"
    & skf21("5","6","2","4","4","6","7","1") = "6"
    & skf21("5","6","2","4","4","7","1","1") = "6"
    & skf21("5","6","2","4","4","7","2","1") = "6"
    & skf21("5","6","2","4","4","7","3","1") = "6"
    & skf21("5","6","2","4","4","7","4","1") = "6"
    & skf21("5","6","2","4","4","7","5","1") = "6"
    & skf21("5","6","2","4","4","7","6","1") = "6"
    & skf21("5","6","2","4","4","7","7","1") = "6"
    & skf21("5","6","2","4","5","1","1","1") = "5"
    & skf21("5","6","2","4","5","1","2","1") = "5"
    & skf21("5","6","2","4","5","1","3","1") = "5"
    & skf21("5","6","2","4","5","1","4","1") = "5"
    & skf21("5","6","2","4","5","1","5","1") = "5"
    & skf21("5","6","2","4","5","1","6","1") = "5"
    & skf21("5","6","2","4","5","1","7","1") = "6"
    & skf21("5","6","2","4","5","2","1","1") = "5"
    & skf21("5","6","2","4","5","2","2","1") = "5"
    & skf21("5","6","2","4","5","2","3","1") = "5"
    & skf21("5","6","2","4","5","2","4","1") = "5"
    & skf21("5","6","2","4","5","2","5","1") = "5"
    & skf21("5","6","2","4","5","2","6","1") = "5"
    & skf21("5","6","2","4","5","2","7","1") = "6"
    & skf21("5","6","2","4","5","3","1","1") = "5"
    & skf21("5","6","2","4","5","3","2","1") = "5"
    & skf21("5","6","2","4","5","3","3","1") = "5"
    & skf21("5","6","2","4","5","3","4","1") = "5"
    & skf21("5","6","2","4","5","3","5","1") = "5"
    & skf21("5","6","2","4","5","3","6","1") = "5"
    & skf21("5","6","2","4","5","3","7","1") = "6"
    & skf21("5","6","2","4","5","4","1","1") = "5"
    & skf21("5","6","2","4","5","4","2","1") = "5"
    & skf21("5","6","2","4","5","4","3","1") = "5"
    & skf21("5","6","2","4","5","4","4","1") = "5"
    & skf21("5","6","2","4","5","4","5","1") = "5"
    & skf21("5","6","2","4","5","4","6","1") = "5"
    & skf21("5","6","2","4","5","4","7","1") = "6"
    & skf21("5","6","2","4","5","5","1","1") = "5"
    & skf21("5","6","2","4","5","5","2","1") = "5"
    & skf21("5","6","2","4","5","5","3","1") = "5"
    & skf21("5","6","2","4","5","5","4","1") = "5"
    & skf21("5","6","2","4","5","5","5","1") = "5"
    & skf21("5","6","2","4","5","5","6","1") = "5"
    & skf21("5","6","2","4","5","5","7","1") = "6"
    & skf21("5","6","2","4","5","6","1","1") = "5"
    & skf21("5","6","2","4","5","6","2","1") = "5"
    & skf21("5","6","2","4","5","6","3","1") = "5"
    & skf21("5","6","2","4","5","6","4","1") = "5"
    & skf21("5","6","2","4","5","6","5","1") = "5"
    & skf21("5","6","2","4","5","6","6","1") = "5"
    & skf21("5","6","2","4","5","6","7","1") = "6"
    & skf21("5","6","2","4","5","7","1","1") = "6"
    & skf21("5","6","2","4","5","7","2","1") = "6"
    & skf21("5","6","2","4","5","7","3","1") = "6"
    & skf21("5","6","2","4","5","7","4","1") = "6"
    & skf21("5","6","2","4","5","7","5","1") = "6"
    & skf21("5","6","2","4","5","7","6","1") = "6"
    & skf21("5","6","2","4","5","7","7","1") = "6"
    & skf21("5","6","2","4","6","1","1","1") = "5"
    & skf21("5","6","2","4","6","1","2","1") = "5"
    & skf21("5","6","2","4","6","1","3","1") = "5"
    & skf21("5","6","2","4","6","1","4","1") = "5"
    & skf21("5","6","2","4","6","1","5","1") = "5"
    & skf21("5","6","2","4","6","1","6","1") = "5"
    & skf21("5","6","2","4","6","1","7","1") = "6"
    & skf21("5","6","2","4","6","2","1","1") = "5"
    & skf21("5","6","2","4","6","2","2","1") = "5"
    & skf21("5","6","2","4","6","2","3","1") = "5"
    & skf21("5","6","2","4","6","2","4","1") = "5"
    & skf21("5","6","2","4","6","2","5","1") = "5"
    & skf21("5","6","2","4","6","2","6","1") = "5"
    & skf21("5","6","2","4","6","2","7","1") = "6"
    & skf21("5","6","2","4","6","3","1","1") = "5"
    & skf21("5","6","2","4","6","3","2","1") = "5"
    & skf21("5","6","2","4","6","3","3","1") = "5"
    & skf21("5","6","2","4","6","3","4","1") = "5"
    & skf21("5","6","2","4","6","3","5","1") = "5"
    & skf21("5","6","2","4","6","3","6","1") = "5"
    & skf21("5","6","2","4","6","3","7","1") = "6"
    & skf21("5","6","2","4","6","4","1","1") = "5"
    & skf21("5","6","2","4","6","4","2","1") = "5"
    & skf21("5","6","2","4","6","4","3","1") = "5"
    & skf21("5","6","2","4","6","4","4","1") = "5"
    & skf21("5","6","2","4","6","4","5","1") = "5"
    & skf21("5","6","2","4","6","4","6","1") = "5"
    & skf21("5","6","2","4","6","4","7","1") = "6"
    & skf21("5","6","2","4","6","5","1","1") = "5"
    & skf21("5","6","2","4","6","5","2","1") = "5"
    & skf21("5","6","2","4","6","5","3","1") = "5"
    & skf21("5","6","2","4","6","5","4","1") = "5"
    & skf21("5","6","2","4","6","5","5","1") = "5"
    & skf21("5","6","2","4","6","5","6","1") = "5"
    & skf21("5","6","2","4","6","5","7","1") = "6"
    & skf21("5","6","2","4","6","6","1","1") = "5"
    & skf21("5","6","2","4","6","6","2","1") = "5"
    & skf21("5","6","2","4","6","6","3","1") = "5"
    & skf21("5","6","2","4","6","6","4","1") = "5"
    & skf21("5","6","2","4","6","6","5","1") = "5"
    & skf21("5","6","2","4","6","6","6","1") = "5"
    & skf21("5","6","2","4","6","6","7","1") = "6"
    & skf21("5","6","2","4","6","7","1","1") = "6"
    & skf21("5","6","2","4","6","7","2","1") = "6"
    & skf21("5","6","2","4","6","7","3","1") = "6"
    & skf21("5","6","2","4","6","7","4","1") = "6"
    & skf21("5","6","2","4","6","7","5","1") = "6"
    & skf21("5","6","2","4","6","7","6","1") = "6"
    & skf21("5","6","2","4","6","7","7","1") = "6"
    & skf21("5","6","2","4","7","1","1","1") = "6"
    & skf21("5","6","2","4","7","1","2","1") = "6"
    & skf21("5","6","2","4","7","1","3","1") = "6"
    & skf21("5","6","2","4","7","1","4","1") = "6"
    & skf21("5","6","2","4","7","1","5","1") = "6"
    & skf21("5","6","2","4","7","1","6","1") = "6"
    & skf21("5","6","2","4","7","1","7","1") = "6"
    & skf21("5","6","2","4","7","2","1","1") = "6"
    & skf21("5","6","2","4","7","2","2","1") = "6"
    & skf21("5","6","2","4","7","2","3","1") = "6"
    & skf21("5","6","2","4","7","2","4","1") = "6"
    & skf21("5","6","2","4","7","2","5","1") = "6"
    & skf21("5","6","2","4","7","2","6","1") = "6"
    & skf21("5","6","2","4","7","2","7","1") = "6"
    & skf21("5","6","2","4","7","3","1","1") = "6"
    & skf21("5","6","2","4","7","3","2","1") = "6"
    & skf21("5","6","2","4","7","3","3","1") = "6"
    & skf21("5","6","2","4","7","3","4","1") = "6"
    & skf21("5","6","2","4","7","3","5","1") = "6"
    & skf21("5","6","2","4","7","3","6","1") = "6"
    & skf21("5","6","2","4","7","3","7","1") = "6"
    & skf21("5","6","2","4","7","4","1","1") = "6"
    & skf21("5","6","2","4","7","4","2","1") = "6"
    & skf21("5","6","2","4","7","4","3","1") = "6"
    & skf21("5","6","2","4","7","4","4","1") = "6"
    & skf21("5","6","2","4","7","4","5","1") = "6"
    & skf21("5","6","2","4","7","4","6","1") = "6"
    & skf21("5","6","2","4","7","4","7","1") = "6"
    & skf21("5","6","2","4","7","5","1","1") = "6"
    & skf21("5","6","2","4","7","5","2","1") = "6"
    & skf21("5","6","2","4","7","5","3","1") = "6"
    & skf21("5","6","2","4","7","5","4","1") = "6"
    & skf21("5","6","2","4","7","5","5","1") = "6"
    & skf21("5","6","2","4","7","5","6","1") = "6"
    & skf21("5","6","2","4","7","5","7","1") = "6"
    & skf21("5","6","2","4","7","6","1","1") = "6"
    & skf21("5","6","2","4","7","6","2","1") = "6"
    & skf21("5","6","2","4","7","6","3","1") = "6"
    & skf21("5","6","2","4","7","6","4","1") = "6"
    & skf21("5","6","2","4","7","6","5","1") = "6"
    & skf21("5","6","2","4","7","6","6","1") = "6"
    & skf21("5","6","2","4","7","6","7","1") = "6"
    & skf21("5","6","2","4","7","7","1","1") = "6"
    & skf21("5","6","2","4","7","7","2","1") = "6"
    & skf21("5","6","2","4","7","7","3","1") = "6"
    & skf21("5","6","2","4","7","7","4","1") = "6"
    & skf21("5","6","2","4","7","7","5","1") = "6"
    & skf21("5","6","2","4","7","7","6","1") = "6"
    & skf21("5","6","2","4","7","7","7","1") = "6"
    & skf21("5","6","2","5","1","1","1","1") = "5"
    & skf21("5","6","2","5","1","1","2","1") = "5"
    & skf21("5","6","2","5","1","1","3","1") = "5"
    & skf21("5","6","2","5","1","1","4","1") = "5"
    & skf21("5","6","2","5","1","1","5","1") = "5"
    & skf21("5","6","2","5","1","1","6","1") = "5"
    & skf21("5","6","2","5","1","1","7","1") = "6"
    & skf21("5","6","2","5","1","2","1","1") = "5"
    & skf21("5","6","2","5","1","2","2","1") = "5"
    & skf21("5","6","2","5","1","2","3","1") = "5"
    & skf21("5","6","2","5","1","2","4","1") = "5"
    & skf21("5","6","2","5","1","2","5","1") = "5"
    & skf21("5","6","2","5","1","2","6","1") = "5"
    & skf21("5","6","2","5","1","2","7","1") = "6"
    & skf21("5","6","2","5","1","3","1","1") = "5"
    & skf21("5","6","2","5","1","3","2","1") = "5"
    & skf21("5","6","2","5","1","3","3","1") = "5"
    & skf21("5","6","2","5","1","3","4","1") = "5"
    & skf21("5","6","2","5","1","3","5","1") = "5"
    & skf21("5","6","2","5","1","3","6","1") = "5"
    & skf21("5","6","2","5","1","3","7","1") = "6"
    & skf21("5","6","2","5","1","4","1","1") = "5"
    & skf21("5","6","2","5","1","4","2","1") = "5"
    & skf21("5","6","2","5","1","4","3","1") = "5"
    & skf21("5","6","2","5","1","4","4","1") = "5"
    & skf21("5","6","2","5","1","4","5","1") = "5"
    & skf21("5","6","2","5","1","4","6","1") = "5"
    & skf21("5","6","2","5","1","4","7","1") = "6"
    & skf21("5","6","2","5","1","5","1","1") = "5"
    & skf21("5","6","2","5","1","5","2","1") = "5"
    & skf21("5","6","2","5","1","5","3","1") = "5"
    & skf21("5","6","2","5","1","5","4","1") = "5"
    & skf21("5","6","2","5","1","5","5","1") = "5"
    & skf21("5","6","2","5","1","5","6","1") = "5"
    & skf21("5","6","2","5","1","5","7","1") = "6"
    & skf21("5","6","2","5","1","6","1","1") = "5"
    & skf21("5","6","2","5","1","6","2","1") = "5"
    & skf21("5","6","2","5","1","6","3","1") = "5"
    & skf21("5","6","2","5","1","6","4","1") = "5"
    & skf21("5","6","2","5","1","6","5","1") = "5"
    & skf21("5","6","2","5","1","6","6","1") = "5"
    & skf21("5","6","2","5","1","6","7","1") = "6"
    & skf21("5","6","2","5","1","7","1","1") = "6"
    & skf21("5","6","2","5","1","7","2","1") = "6"
    & skf21("5","6","2","5","1","7","3","1") = "6"
    & skf21("5","6","2","5","1","7","4","1") = "6"
    & skf21("5","6","2","5","1","7","5","1") = "6"
    & skf21("5","6","2","5","1","7","6","1") = "6"
    & skf21("5","6","2","5","1","7","7","1") = "6"
    & skf21("5","6","2","5","2","1","1","1") = "5"
    & skf21("5","6","2","5","2","1","2","1") = "5"
    & skf21("5","6","2","5","2","1","3","1") = "5"
    & skf21("5","6","2","5","2","1","4","1") = "5"
    & skf21("5","6","2","5","2","1","5","1") = "5"
    & skf21("5","6","2","5","2","1","6","1") = "5"
    & skf21("5","6","2","5","2","1","7","1") = "6"
    & skf21("5","6","2","5","2","2","1","1") = "5"
    & skf21("5","6","2","5","2","2","2","1") = "5"
    & skf21("5","6","2","5","2","2","3","1") = "5"
    & skf21("5","6","2","5","2","2","4","1") = "5"
    & skf21("5","6","2","5","2","2","5","1") = "5"
    & skf21("5","6","2","5","2","2","6","1") = "5"
    & skf21("5","6","2","5","2","2","7","1") = "6"
    & skf21("5","6","2","5","2","3","1","1") = "5"
    & skf21("5","6","2","5","2","3","2","1") = "5"
    & skf21("5","6","2","5","2","3","3","1") = "5"
    & skf21("5","6","2","5","2","3","4","1") = "5"
    & skf21("5","6","2","5","2","3","5","1") = "5"
    & skf21("5","6","2","5","2","3","6","1") = "5"
    & skf21("5","6","2","5","2","3","7","1") = "6"
    & skf21("5","6","2","5","2","4","1","1") = "5"
    & skf21("5","6","2","5","2","4","2","1") = "5"
    & skf21("5","6","2","5","2","4","3","1") = "5"
    & skf21("5","6","2","5","2","4","4","1") = "5"
    & skf21("5","6","2","5","2","4","5","1") = "5"
    & skf21("5","6","2","5","2","4","6","1") = "5"
    & skf21("5","6","2","5","2","4","7","1") = "6"
    & skf21("5","6","2","5","2","5","1","1") = "5"
    & skf21("5","6","2","5","2","5","2","1") = "5"
    & skf21("5","6","2","5","2","5","3","1") = "5"
    & skf21("5","6","2","5","2","5","4","1") = "5"
    & skf21("5","6","2","5","2","5","5","1") = "5"
    & skf21("5","6","2","5","2","5","6","1") = "5"
    & skf21("5","6","2","5","2","5","7","1") = "6"
    & skf21("5","6","2","5","2","6","1","1") = "5"
    & skf21("5","6","2","5","2","6","2","1") = "5"
    & skf21("5","6","2","5","2","6","3","1") = "5"
    & skf21("5","6","2","5","2","6","4","1") = "5"
    & skf21("5","6","2","5","2","6","5","1") = "5"
    & skf21("5","6","2","5","2","6","6","1") = "5"
    & skf21("5","6","2","5","2","6","7","1") = "6"
    & skf21("5","6","2","5","2","7","1","1") = "6"
    & skf21("5","6","2","5","2","7","2","1") = "6"
    & skf21("5","6","2","5","2","7","3","1") = "6"
    & skf21("5","6","2","5","2","7","4","1") = "6"
    & skf21("5","6","2","5","2","7","5","1") = "6"
    & skf21("5","6","2","5","2","7","6","1") = "6"
    & skf21("5","6","2","5","2","7","7","1") = "6"
    & skf21("5","6","2","5","3","1","1","1") = "5"
    & skf21("5","6","2","5","3","1","2","1") = "5"
    & skf21("5","6","2","5","3","1","3","1") = "5"
    & skf21("5","6","2","5","3","1","4","1") = "5"
    & skf21("5","6","2","5","3","1","5","1") = "5"
    & skf21("5","6","2","5","3","1","6","1") = "5"
    & skf21("5","6","2","5","3","1","7","1") = "6"
    & skf21("5","6","2","5","3","2","1","1") = "5"
    & skf21("5","6","2","5","3","2","2","1") = "5"
    & skf21("5","6","2","5","3","2","3","1") = "5"
    & skf21("5","6","2","5","3","2","4","1") = "5"
    & skf21("5","6","2","5","3","2","5","1") = "5"
    & skf21("5","6","2","5","3","2","6","1") = "5"
    & skf21("5","6","2","5","3","2","7","1") = "6"
    & skf21("5","6","2","5","3","3","1","1") = "5"
    & skf21("5","6","2","5","3","3","2","1") = "5"
    & skf21("5","6","2","5","3","3","3","1") = "5"
    & skf21("5","6","2","5","3","3","4","1") = "5"
    & skf21("5","6","2","5","3","3","5","1") = "5"
    & skf21("5","6","2","5","3","3","6","1") = "5"
    & skf21("5","6","2","5","3","3","7","1") = "6"
    & skf21("5","6","2","5","3","4","1","1") = "5"
    & skf21("5","6","2","5","3","4","2","1") = "5"
    & skf21("5","6","2","5","3","4","3","1") = "5"
    & skf21("5","6","2","5","3","4","4","1") = "5"
    & skf21("5","6","2","5","3","4","5","1") = "5"
    & skf21("5","6","2","5","3","4","6","1") = "5"
    & skf21("5","6","2","5","3","4","7","1") = "6"
    & skf21("5","6","2","5","3","5","1","1") = "5"
    & skf21("5","6","2","5","3","5","2","1") = "5"
    & skf21("5","6","2","5","3","5","3","1") = "5"
    & skf21("5","6","2","5","3","5","4","1") = "5"
    & skf21("5","6","2","5","3","5","5","1") = "5"
    & skf21("5","6","2","5","3","5","6","1") = "5"
    & skf21("5","6","2","5","3","5","7","1") = "6"
    & skf21("5","6","2","5","3","6","1","1") = "5"
    & skf21("5","6","2","5","3","6","2","1") = "5"
    & skf21("5","6","2","5","3","6","3","1") = "5"
    & skf21("5","6","2","5","3","6","4","1") = "5"
    & skf21("5","6","2","5","3","6","5","1") = "5"
    & skf21("5","6","2","5","3","6","6","1") = "5"
    & skf21("5","6","2","5","3","6","7","1") = "6"
    & skf21("5","6","2","5","3","7","1","1") = "6"
    & skf21("5","6","2","5","3","7","2","1") = "6"
    & skf21("5","6","2","5","3","7","3","1") = "6"
    & skf21("5","6","2","5","3","7","4","1") = "6"
    & skf21("5","6","2","5","3","7","5","1") = "6"
    & skf21("5","6","2","5","3","7","6","1") = "6"
    & skf21("5","6","2","5","3","7","7","1") = "6"
    & skf21("5","6","2","5","4","1","1","1") = "5"
    & skf21("5","6","2","5","4","1","2","1") = "5"
    & skf21("5","6","2","5","4","1","3","1") = "5"
    & skf21("5","6","2","5","4","1","4","1") = "5"
    & skf21("5","6","2","5","4","1","5","1") = "5"
    & skf21("5","6","2","5","4","1","6","1") = "5"
    & skf21("5","6","2","5","4","1","7","1") = "6"
    & skf21("5","6","2","5","4","2","1","1") = "5"
    & skf21("5","6","2","5","4","2","2","1") = "5"
    & skf21("5","6","2","5","4","2","3","1") = "5"
    & skf21("5","6","2","5","4","2","4","1") = "5"
    & skf21("5","6","2","5","4","2","5","1") = "5"
    & skf21("5","6","2","5","4","2","6","1") = "5"
    & skf21("5","6","2","5","4","2","7","1") = "6"
    & skf21("5","6","2","5","4","3","1","1") = "5"
    & skf21("5","6","2","5","4","3","2","1") = "5"
    & skf21("5","6","2","5","4","3","3","1") = "5"
    & skf21("5","6","2","5","4","3","4","1") = "5"
    & skf21("5","6","2","5","4","3","5","1") = "5"
    & skf21("5","6","2","5","4","3","6","1") = "5"
    & skf21("5","6","2","5","4","3","7","1") = "6"
    & skf21("5","6","2","5","4","4","1","1") = "5"
    & skf21("5","6","2","5","4","4","2","1") = "5"
    & skf21("5","6","2","5","4","4","3","1") = "5"
    & skf21("5","6","2","5","4","4","4","1") = "5"
    & skf21("5","6","2","5","4","4","5","1") = "5"
    & skf21("5","6","2","5","4","4","6","1") = "5"
    & skf21("5","6","2","5","4","4","7","1") = "6"
    & skf21("5","6","2","5","4","5","1","1") = "5"
    & skf21("5","6","2","5","4","5","2","1") = "5"
    & skf21("5","6","2","5","4","5","3","1") = "5"
    & skf21("5","6","2","5","4","5","4","1") = "5"
    & skf21("5","6","2","5","4","5","5","1") = "5"
    & skf21("5","6","2","5","4","5","6","1") = "5"
    & skf21("5","6","2","5","4","5","7","1") = "6"
    & skf21("5","6","2","5","4","6","1","1") = "5"
    & skf21("5","6","2","5","4","6","2","1") = "5"
    & skf21("5","6","2","5","4","6","3","1") = "5"
    & skf21("5","6","2","5","4","6","4","1") = "5"
    & skf21("5","6","2","5","4","6","5","1") = "5"
    & skf21("5","6","2","5","4","6","6","1") = "5"
    & skf21("5","6","2","5","4","6","7","1") = "6"
    & skf21("5","6","2","5","4","7","1","1") = "6"
    & skf21("5","6","2","5","4","7","2","1") = "6"
    & skf21("5","6","2","5","4","7","3","1") = "6"
    & skf21("5","6","2","5","4","7","4","1") = "6"
    & skf21("5","6","2","5","4","7","5","1") = "6"
    & skf21("5","6","2","5","4","7","6","1") = "6"
    & skf21("5","6","2","5","4","7","7","1") = "6"
    & skf21("5","6","2","5","5","1","1","1") = "5"
    & skf21("5","6","2","5","5","1","2","1") = "5"
    & skf21("5","6","2","5","5","1","3","1") = "5"
    & skf21("5","6","2","5","5","1","4","1") = "5"
    & skf21("5","6","2","5","5","1","5","1") = "5"
    & skf21("5","6","2","5","5","1","6","1") = "5"
    & skf21("5","6","2","5","5","1","7","1") = "6"
    & skf21("5","6","2","5","5","2","1","1") = "5"
    & skf21("5","6","2","5","5","2","2","1") = "5"
    & skf21("5","6","2","5","5","2","3","1") = "5"
    & skf21("5","6","2","5","5","2","4","1") = "5"
    & skf21("5","6","2","5","5","2","5","1") = "5"
    & skf21("5","6","2","5","5","2","6","1") = "5"
    & skf21("5","6","2","5","5","2","7","1") = "6"
    & skf21("5","6","2","5","5","3","1","1") = "5"
    & skf21("5","6","2","5","5","3","2","1") = "5"
    & skf21("5","6","2","5","5","3","3","1") = "5"
    & skf21("5","6","2","5","5","3","4","1") = "5"
    & skf21("5","6","2","5","5","3","5","1") = "5"
    & skf21("5","6","2","5","5","3","6","1") = "5"
    & skf21("5","6","2","5","5","3","7","1") = "6"
    & skf21("5","6","2","5","5","4","1","1") = "5"
    & skf21("5","6","2","5","5","4","2","1") = "5"
    & skf21("5","6","2","5","5","4","3","1") = "5"
    & skf21("5","6","2","5","5","4","4","1") = "5"
    & skf21("5","6","2","5","5","4","5","1") = "5"
    & skf21("5","6","2","5","5","4","6","1") = "5"
    & skf21("5","6","2","5","5","4","7","1") = "6"
    & skf21("5","6","2","5","5","5","1","1") = "5"
    & skf21("5","6","2","5","5","5","2","1") = "5"
    & skf21("5","6","2","5","5","5","3","1") = "5"
    & skf21("5","6","2","5","5","5","4","1") = "5"
    & skf21("5","6","2","5","5","5","5","1") = "5"
    & skf21("5","6","2","5","5","5","6","1") = "5"
    & skf21("5","6","2","5","5","5","7","1") = "6"
    & skf21("5","6","2","5","5","6","1","1") = "5"
    & skf21("5","6","2","5","5","6","2","1") = "5"
    & skf21("5","6","2","5","5","6","3","1") = "5"
    & skf21("5","6","2","5","5","6","4","1") = "5"
    & skf21("5","6","2","5","5","6","5","1") = "5"
    & skf21("5","6","2","5","5","6","6","1") = "5"
    & skf21("5","6","2","5","5","6","7","1") = "6"
    & skf21("5","6","2","5","5","7","1","1") = "6"
    & skf21("5","6","2","5","5","7","2","1") = "6"
    & skf21("5","6","2","5","5","7","3","1") = "6"
    & skf21("5","6","2","5","5","7","4","1") = "6"
    & skf21("5","6","2","5","5","7","5","1") = "6"
    & skf21("5","6","2","5","5","7","6","1") = "6"
    & skf21("5","6","2","5","5","7","7","1") = "6"
    & skf21("5","6","2","5","6","1","1","1") = "5"
    & skf21("5","6","2","5","6","1","2","1") = "5"
    & skf21("5","6","2","5","6","1","3","1") = "5"
    & skf21("5","6","2","5","6","1","4","1") = "5"
    & skf21("5","6","2","5","6","1","5","1") = "5"
    & skf21("5","6","2","5","6","1","6","1") = "5"
    & skf21("5","6","2","5","6","1","7","1") = "6"
    & skf21("5","6","2","5","6","2","1","1") = "5"
    & skf21("5","6","2","5","6","2","2","1") = "5"
    & skf21("5","6","2","5","6","2","3","1") = "5"
    & skf21("5","6","2","5","6","2","4","1") = "5"
    & skf21("5","6","2","5","6","2","5","1") = "5"
    & skf21("5","6","2","5","6","2","6","1") = "5"
    & skf21("5","6","2","5","6","2","7","1") = "6"
    & skf21("5","6","2","5","6","3","1","1") = "5"
    & skf21("5","6","2","5","6","3","2","1") = "5"
    & skf21("5","6","2","5","6","3","3","1") = "5"
    & skf21("5","6","2","5","6","3","4","1") = "5"
    & skf21("5","6","2","5","6","3","5","1") = "5"
    & skf21("5","6","2","5","6","3","6","1") = "5"
    & skf21("5","6","2","5","6","3","7","1") = "6"
    & skf21("5","6","2","5","6","4","1","1") = "5"
    & skf21("5","6","2","5","6","4","2","1") = "5"
    & skf21("5","6","2","5","6","4","3","1") = "5"
    & skf21("5","6","2","5","6","4","4","1") = "5"
    & skf21("5","6","2","5","6","4","5","1") = "5"
    & skf21("5","6","2","5","6","4","6","1") = "5"
    & skf21("5","6","2","5","6","4","7","1") = "6"
    & skf21("5","6","2","5","6","5","1","1") = "5"
    & skf21("5","6","2","5","6","5","2","1") = "5"
    & skf21("5","6","2","5","6","5","3","1") = "5"
    & skf21("5","6","2","5","6","5","4","1") = "5"
    & skf21("5","6","2","5","6","5","5","1") = "5"
    & skf21("5","6","2","5","6","5","6","1") = "5"
    & skf21("5","6","2","5","6","5","7","1") = "6"
    & skf21("5","6","2","5","6","6","1","1") = "5"
    & skf21("5","6","2","5","6","6","2","1") = "5"
    & skf21("5","6","2","5","6","6","3","1") = "5"
    & skf21("5","6","2","5","6","6","4","1") = "5"
    & skf21("5","6","2","5","6","6","5","1") = "5"
    & skf21("5","6","2","5","6","6","6","1") = "5"
    & skf21("5","6","2","5","6","6","7","1") = "6"
    & skf21("5","6","2","5","6","7","1","1") = "6"
    & skf21("5","6","2","5","6","7","2","1") = "6"
    & skf21("5","6","2","5","6","7","3","1") = "6"
    & skf21("5","6","2","5","6","7","4","1") = "6"
    & skf21("5","6","2","5","6","7","5","1") = "6"
    & skf21("5","6","2","5","6","7","6","1") = "6"
    & skf21("5","6","2","5","6","7","7","1") = "6"
    & skf21("5","6","2","5","7","1","1","1") = "6"
    & skf21("5","6","2","5","7","1","2","1") = "6"
    & skf21("5","6","2","5","7","1","3","1") = "6"
    & skf21("5","6","2","5","7","1","4","1") = "6"
    & skf21("5","6","2","5","7","1","5","1") = "6"
    & skf21("5","6","2","5","7","1","6","1") = "6"
    & skf21("5","6","2","5","7","1","7","1") = "6"
    & skf21("5","6","2","5","7","2","1","1") = "6"
    & skf21("5","6","2","5","7","2","2","1") = "6"
    & skf21("5","6","2","5","7","2","3","1") = "6"
    & skf21("5","6","2","5","7","2","4","1") = "6"
    & skf21("5","6","2","5","7","2","5","1") = "6"
    & skf21("5","6","2","5","7","2","6","1") = "6"
    & skf21("5","6","2","5","7","2","7","1") = "6"
    & skf21("5","6","2","5","7","3","1","1") = "6"
    & skf21("5","6","2","5","7","3","2","1") = "6"
    & skf21("5","6","2","5","7","3","3","1") = "6"
    & skf21("5","6","2","5","7","3","4","1") = "6"
    & skf21("5","6","2","5","7","3","5","1") = "6"
    & skf21("5","6","2","5","7","3","6","1") = "6"
    & skf21("5","6","2","5","7","3","7","1") = "6"
    & skf21("5","6","2","5","7","4","1","1") = "6"
    & skf21("5","6","2","5","7","4","2","1") = "6"
    & skf21("5","6","2","5","7","4","3","1") = "6"
    & skf21("5","6","2","5","7","4","4","1") = "6"
    & skf21("5","6","2","5","7","4","5","1") = "6"
    & skf21("5","6","2","5","7","4","6","1") = "6"
    & skf21("5","6","2","5","7","4","7","1") = "6"
    & skf21("5","6","2","5","7","5","1","1") = "6"
    & skf21("5","6","2","5","7","5","2","1") = "6"
    & skf21("5","6","2","5","7","5","3","1") = "6"
    & skf21("5","6","2","5","7","5","4","1") = "6"
    & skf21("5","6","2","5","7","5","5","1") = "6"
    & skf21("5","6","2","5","7","5","6","1") = "6"
    & skf21("5","6","2","5","7","5","7","1") = "6"
    & skf21("5","6","2","5","7","6","1","1") = "6"
    & skf21("5","6","2","5","7","6","2","1") = "6"
    & skf21("5","6","2","5","7","6","3","1") = "6"
    & skf21("5","6","2","5","7","6","4","1") = "6"
    & skf21("5","6","2","5","7","6","5","1") = "6"
    & skf21("5","6","2","5","7","6","6","1") = "6"
    & skf21("5","6","2","5","7","6","7","1") = "6"
    & skf21("5","6","2","5","7","7","1","1") = "6"
    & skf21("5","6","2","5","7","7","2","1") = "6"
    & skf21("5","6","2","5","7","7","3","1") = "6"
    & skf21("5","6","2","5","7","7","4","1") = "6"
    & skf21("5","6","2","5","7","7","5","1") = "6"
    & skf21("5","6","2","5","7","7","6","1") = "6"
    & skf21("5","6","2","5","7","7","7","1") = "6"
    & skf21("5","6","2","6","1","1","1","1") = "5"
    & skf21("5","6","2","6","1","1","2","1") = "5"
    & skf21("5","6","2","6","1","1","3","1") = "5"
    & skf21("5","6","2","6","1","1","4","1") = "5"
    & skf21("5","6","2","6","1","1","5","1") = "5"
    & skf21("5","6","2","6","1","1","6","1") = "5"
    & skf21("5","6","2","6","1","1","7","1") = "6"
    & skf21("5","6","2","6","1","2","1","1") = "5"
    & skf21("5","6","2","6","1","2","2","1") = "5"
    & skf21("5","6","2","6","1","2","3","1") = "5"
    & skf21("5","6","2","6","1","2","4","1") = "5"
    & skf21("5","6","2","6","1","2","5","1") = "5"
    & skf21("5","6","2","6","1","2","6","1") = "5"
    & skf21("5","6","2","6","1","2","7","1") = "6"
    & skf21("5","6","2","6","1","3","1","1") = "5"
    & skf21("5","6","2","6","1","3","2","1") = "5"
    & skf21("5","6","2","6","1","3","3","1") = "5"
    & skf21("5","6","2","6","1","3","4","1") = "5"
    & skf21("5","6","2","6","1","3","5","1") = "5"
    & skf21("5","6","2","6","1","3","6","1") = "5"
    & skf21("5","6","2","6","1","3","7","1") = "6"
    & skf21("5","6","2","6","1","4","1","1") = "5"
    & skf21("5","6","2","6","1","4","2","1") = "5"
    & skf21("5","6","2","6","1","4","3","1") = "5"
    & skf21("5","6","2","6","1","4","4","1") = "5"
    & skf21("5","6","2","6","1","4","5","1") = "5"
    & skf21("5","6","2","6","1","4","6","1") = "5"
    & skf21("5","6","2","6","1","4","7","1") = "6"
    & skf21("5","6","2","6","1","5","1","1") = "5"
    & skf21("5","6","2","6","1","5","2","1") = "5"
    & skf21("5","6","2","6","1","5","3","1") = "5"
    & skf21("5","6","2","6","1","5","4","1") = "5"
    & skf21("5","6","2","6","1","5","5","1") = "5"
    & skf21("5","6","2","6","1","5","6","1") = "5"
    & skf21("5","6","2","6","1","5","7","1") = "6"
    & skf21("5","6","2","6","1","6","1","1") = "5"
    & skf21("5","6","2","6","1","6","2","1") = "5"
    & skf21("5","6","2","6","1","6","3","1") = "5"
    & skf21("5","6","2","6","1","6","4","1") = "5"
    & skf21("5","6","2","6","1","6","5","1") = "5"
    & skf21("5","6","2","6","1","6","6","1") = "5"
    & skf21("5","6","2","6","1","6","7","1") = "6"
    & skf21("5","6","2","6","1","7","1","1") = "6"
    & skf21("5","6","2","6","1","7","2","1") = "6"
    & skf21("5","6","2","6","1","7","3","1") = "6"
    & skf21("5","6","2","6","1","7","4","1") = "6"
    & skf21("5","6","2","6","1","7","5","1") = "6"
    & skf21("5","6","2","6","1","7","6","1") = "6"
    & skf21("5","6","2","6","1","7","7","1") = "6"
    & skf21("5","6","2","6","2","1","1","1") = "5"
    & skf21("5","6","2","6","2","1","2","1") = "5"
    & skf21("5","6","2","6","2","1","3","1") = "5"
    & skf21("5","6","2","6","2","1","4","1") = "5"
    & skf21("5","6","2","6","2","1","5","1") = "5"
    & skf21("5","6","2","6","2","1","6","1") = "5"
    & skf21("5","6","2","6","2","1","7","1") = "6"
    & skf21("5","6","2","6","2","2","1","1") = "5"
    & skf21("5","6","2","6","2","2","2","1") = "5"
    & skf21("5","6","2","6","2","2","3","1") = "5"
    & skf21("5","6","2","6","2","2","4","1") = "5"
    & skf21("5","6","2","6","2","2","5","1") = "5"
    & skf21("5","6","2","6","2","2","6","1") = "5"
    & skf21("5","6","2","6","2","2","7","1") = "6"
    & skf21("5","6","2","6","2","3","1","1") = "5"
    & skf21("5","6","2","6","2","3","2","1") = "5"
    & skf21("5","6","2","6","2","3","3","1") = "5"
    & skf21("5","6","2","6","2","3","4","1") = "5"
    & skf21("5","6","2","6","2","3","5","1") = "5"
    & skf21("5","6","2","6","2","3","6","1") = "5"
    & skf21("5","6","2","6","2","3","7","1") = "6"
    & skf21("5","6","2","6","2","4","1","1") = "5"
    & skf21("5","6","2","6","2","4","2","1") = "5"
    & skf21("5","6","2","6","2","4","3","1") = "5"
    & skf21("5","6","2","6","2","4","4","1") = "5"
    & skf21("5","6","2","6","2","4","5","1") = "5"
    & skf21("5","6","2","6","2","4","6","1") = "5"
    & skf21("5","6","2","6","2","4","7","1") = "6"
    & skf21("5","6","2","6","2","5","1","1") = "5"
    & skf21("5","6","2","6","2","5","2","1") = "5"
    & skf21("5","6","2","6","2","5","3","1") = "5"
    & skf21("5","6","2","6","2","5","4","1") = "5"
    & skf21("5","6","2","6","2","5","5","1") = "5"
    & skf21("5","6","2","6","2","5","6","1") = "5"
    & skf21("5","6","2","6","2","5","7","1") = "6"
    & skf21("5","6","2","6","2","6","1","1") = "5"
    & skf21("5","6","2","6","2","6","2","1") = "5"
    & skf21("5","6","2","6","2","6","3","1") = "5"
    & skf21("5","6","2","6","2","6","4","1") = "5"
    & skf21("5","6","2","6","2","6","5","1") = "5"
    & skf21("5","6","2","6","2","6","6","1") = "5"
    & skf21("5","6","2","6","2","6","7","1") = "6"
    & skf21("5","6","2","6","2","7","1","1") = "6"
    & skf21("5","6","2","6","2","7","2","1") = "6"
    & skf21("5","6","2","6","2","7","3","1") = "6"
    & skf21("5","6","2","6","2","7","4","1") = "6"
    & skf21("5","6","2","6","2","7","5","1") = "6"
    & skf21("5","6","2","6","2","7","6","1") = "6"
    & skf21("5","6","2","6","2","7","7","1") = "6"
    & skf21("5","6","2","6","3","1","1","1") = "5"
    & skf21("5","6","2","6","3","1","2","1") = "5"
    & skf21("5","6","2","6","3","1","3","1") = "5"
    & skf21("5","6","2","6","3","1","4","1") = "5"
    & skf21("5","6","2","6","3","1","5","1") = "5"
    & skf21("5","6","2","6","3","1","6","1") = "5"
    & skf21("5","6","2","6","3","1","7","1") = "6"
    & skf21("5","6","2","6","3","2","1","1") = "5"
    & skf21("5","6","2","6","3","2","2","1") = "5"
    & skf21("5","6","2","6","3","2","3","1") = "5"
    & skf21("5","6","2","6","3","2","4","1") = "5"
    & skf21("5","6","2","6","3","2","5","1") = "5"
    & skf21("5","6","2","6","3","2","6","1") = "5"
    & skf21("5","6","2","6","3","2","7","1") = "6"
    & skf21("5","6","2","6","3","3","1","1") = "5"
    & skf21("5","6","2","6","3","3","2","1") = "5"
    & skf21("5","6","2","6","3","3","3","1") = "5"
    & skf21("5","6","2","6","3","3","4","1") = "5"
    & skf21("5","6","2","6","3","3","5","1") = "5"
    & skf21("5","6","2","6","3","3","6","1") = "5"
    & skf21("5","6","2","6","3","3","7","1") = "6"
    & skf21("5","6","2","6","3","4","1","1") = "5"
    & skf21("5","6","2","6","3","4","2","1") = "5"
    & skf21("5","6","2","6","3","4","3","1") = "5"
    & skf21("5","6","2","6","3","4","4","1") = "5"
    & skf21("5","6","2","6","3","4","5","1") = "5"
    & skf21("5","6","2","6","3","4","6","1") = "5"
    & skf21("5","6","2","6","3","4","7","1") = "6"
    & skf21("5","6","2","6","3","5","1","1") = "5"
    & skf21("5","6","2","6","3","5","2","1") = "5"
    & skf21("5","6","2","6","3","5","3","1") = "5"
    & skf21("5","6","2","6","3","5","4","1") = "5"
    & skf21("5","6","2","6","3","5","5","1") = "5"
    & skf21("5","6","2","6","3","5","6","1") = "5"
    & skf21("5","6","2","6","3","5","7","1") = "6"
    & skf21("5","6","2","6","3","6","1","1") = "5"
    & skf21("5","6","2","6","3","6","2","1") = "5"
    & skf21("5","6","2","6","3","6","3","1") = "5"
    & skf21("5","6","2","6","3","6","4","1") = "5"
    & skf21("5","6","2","6","3","6","5","1") = "5"
    & skf21("5","6","2","6","3","6","6","1") = "5"
    & skf21("5","6","2","6","3","6","7","1") = "6"
    & skf21("5","6","2","6","3","7","1","1") = "6"
    & skf21("5","6","2","6","3","7","2","1") = "6"
    & skf21("5","6","2","6","3","7","3","1") = "6"
    & skf21("5","6","2","6","3","7","4","1") = "6"
    & skf21("5","6","2","6","3","7","5","1") = "6"
    & skf21("5","6","2","6","3","7","6","1") = "6"
    & skf21("5","6","2","6","3","7","7","1") = "6"
    & skf21("5","6","2","6","4","1","1","1") = "5"
    & skf21("5","6","2","6","4","1","2","1") = "5"
    & skf21("5","6","2","6","4","1","3","1") = "5"
    & skf21("5","6","2","6","4","1","4","1") = "5"
    & skf21("5","6","2","6","4","1","5","1") = "5"
    & skf21("5","6","2","6","4","1","6","1") = "5"
    & skf21("5","6","2","6","4","1","7","1") = "6"
    & skf21("5","6","2","6","4","2","1","1") = "5"
    & skf21("5","6","2","6","4","2","2","1") = "5"
    & skf21("5","6","2","6","4","2","3","1") = "5"
    & skf21("5","6","2","6","4","2","4","1") = "5"
    & skf21("5","6","2","6","4","2","5","1") = "5"
    & skf21("5","6","2","6","4","2","6","1") = "5"
    & skf21("5","6","2","6","4","2","7","1") = "6"
    & skf21("5","6","2","6","4","3","1","1") = "5"
    & skf21("5","6","2","6","4","3","2","1") = "5"
    & skf21("5","6","2","6","4","3","3","1") = "5"
    & skf21("5","6","2","6","4","3","4","1") = "5"
    & skf21("5","6","2","6","4","3","5","1") = "5"
    & skf21("5","6","2","6","4","3","6","1") = "5"
    & skf21("5","6","2","6","4","3","7","1") = "6"
    & skf21("5","6","2","6","4","4","1","1") = "5"
    & skf21("5","6","2","6","4","4","2","1") = "5"
    & skf21("5","6","2","6","4","4","3","1") = "5"
    & skf21("5","6","2","6","4","4","4","1") = "5"
    & skf21("5","6","2","6","4","4","5","1") = "5"
    & skf21("5","6","2","6","4","4","6","1") = "5"
    & skf21("5","6","2","6","4","4","7","1") = "6"
    & skf21("5","6","2","6","4","5","1","1") = "5"
    & skf21("5","6","2","6","4","5","2","1") = "5"
    & skf21("5","6","2","6","4","5","3","1") = "5"
    & skf21("5","6","2","6","4","5","4","1") = "5"
    & skf21("5","6","2","6","4","5","5","1") = "5"
    & skf21("5","6","2","6","4","5","6","1") = "5"
    & skf21("5","6","2","6","4","5","7","1") = "6"
    & skf21("5","6","2","6","4","6","1","1") = "5"
    & skf21("5","6","2","6","4","6","2","1") = "5"
    & skf21("5","6","2","6","4","6","3","1") = "5"
    & skf21("5","6","2","6","4","6","4","1") = "5"
    & skf21("5","6","2","6","4","6","5","1") = "5"
    & skf21("5","6","2","6","4","6","6","1") = "5"
    & skf21("5","6","2","6","4","6","7","1") = "6"
    & skf21("5","6","2","6","4","7","1","1") = "6"
    & skf21("5","6","2","6","4","7","2","1") = "6"
    & skf21("5","6","2","6","4","7","3","1") = "6"
    & skf21("5","6","2","6","4","7","4","1") = "6"
    & skf21("5","6","2","6","4","7","5","1") = "6"
    & skf21("5","6","2","6","4","7","6","1") = "6"
    & skf21("5","6","2","6","4","7","7","1") = "6"
    & skf21("5","6","2","6","5","1","1","1") = "5"
    & skf21("5","6","2","6","5","1","2","1") = "5"
    & skf21("5","6","2","6","5","1","3","1") = "5"
    & skf21("5","6","2","6","5","1","4","1") = "5"
    & skf21("5","6","2","6","5","1","5","1") = "5"
    & skf21("5","6","2","6","5","1","6","1") = "5"
    & skf21("5","6","2","6","5","1","7","1") = "6"
    & skf21("5","6","2","6","5","2","1","1") = "5"
    & skf21("5","6","2","6","5","2","2","1") = "5"
    & skf21("5","6","2","6","5","2","3","1") = "5"
    & skf21("5","6","2","6","5","2","4","1") = "5"
    & skf21("5","6","2","6","5","2","5","1") = "5"
    & skf21("5","6","2","6","5","2","6","1") = "5"
    & skf21("5","6","2","6","5","2","7","1") = "6"
    & skf21("5","6","2","6","5","3","1","1") = "5"
    & skf21("5","6","2","6","5","3","2","1") = "5"
    & skf21("5","6","2","6","5","3","3","1") = "5"
    & skf21("5","6","2","6","5","3","4","1") = "5"
    & skf21("5","6","2","6","5","3","5","1") = "5"
    & skf21("5","6","2","6","5","3","6","1") = "5"
    & skf21("5","6","2","6","5","3","7","1") = "6"
    & skf21("5","6","2","6","5","4","1","1") = "5"
    & skf21("5","6","2","6","5","4","2","1") = "5"
    & skf21("5","6","2","6","5","4","3","1") = "5"
    & skf21("5","6","2","6","5","4","4","1") = "5"
    & skf21("5","6","2","6","5","4","5","1") = "5"
    & skf21("5","6","2","6","5","4","6","1") = "5"
    & skf21("5","6","2","6","5","4","7","1") = "6"
    & skf21("5","6","2","6","5","5","1","1") = "5"
    & skf21("5","6","2","6","5","5","2","1") = "5"
    & skf21("5","6","2","6","5","5","3","1") = "5"
    & skf21("5","6","2","6","5","5","4","1") = "5"
    & skf21("5","6","2","6","5","5","5","1") = "5"
    & skf21("5","6","2","6","5","5","6","1") = "5"
    & skf21("5","6","2","6","5","5","7","1") = "6"
    & skf21("5","6","2","6","5","6","1","1") = "5"
    & skf21("5","6","2","6","5","6","2","1") = "5"
    & skf21("5","6","2","6","5","6","3","1") = "5"
    & skf21("5","6","2","6","5","6","4","1") = "5"
    & skf21("5","6","2","6","5","6","5","1") = "5"
    & skf21("5","6","2","6","5","6","6","1") = "5"
    & skf21("5","6","2","6","5","6","7","1") = "6"
    & skf21("5","6","2","6","5","7","1","1") = "6"
    & skf21("5","6","2","6","5","7","2","1") = "6"
    & skf21("5","6","2","6","5","7","3","1") = "6"
    & skf21("5","6","2","6","5","7","4","1") = "6"
    & skf21("5","6","2","6","5","7","5","1") = "6"
    & skf21("5","6","2","6","5","7","6","1") = "6"
    & skf21("5","6","2","6","5","7","7","1") = "6"
    & skf21("5","6","2","6","6","1","1","1") = "5"
    & skf21("5","6","2","6","6","1","2","1") = "5"
    & skf21("5","6","2","6","6","1","3","1") = "5"
    & skf21("5","6","2","6","6","1","4","1") = "5"
    & skf21("5","6","2","6","6","1","5","1") = "5"
    & skf21("5","6","2","6","6","1","6","1") = "5"
    & skf21("5","6","2","6","6","1","7","1") = "6"
    & skf21("5","6","2","6","6","2","1","1") = "5"
    & skf21("5","6","2","6","6","2","2","1") = "5"
    & skf21("5","6","2","6","6","2","3","1") = "5"
    & skf21("5","6","2","6","6","2","4","1") = "5"
    & skf21("5","6","2","6","6","2","5","1") = "5"
    & skf21("5","6","2","6","6","2","6","1") = "5"
    & skf21("5","6","2","6","6","2","7","1") = "6"
    & skf21("5","6","2","6","6","3","1","1") = "5"
    & skf21("5","6","2","6","6","3","2","1") = "5"
    & skf21("5","6","2","6","6","3","3","1") = "5"
    & skf21("5","6","2","6","6","3","4","1") = "5"
    & skf21("5","6","2","6","6","3","5","1") = "5"
    & skf21("5","6","2","6","6","3","6","1") = "5"
    & skf21("5","6","2","6","6","3","7","1") = "6"
    & skf21("5","6","2","6","6","4","1","1") = "5"
    & skf21("5","6","2","6","6","4","2","1") = "5"
    & skf21("5","6","2","6","6","4","3","1") = "5"
    & skf21("5","6","2","6","6","4","4","1") = "5"
    & skf21("5","6","2","6","6","4","5","1") = "5"
    & skf21("5","6","2","6","6","4","6","1") = "5"
    & skf21("5","6","2","6","6","4","7","1") = "6"
    & skf21("5","6","2","6","6","5","1","1") = "5"
    & skf21("5","6","2","6","6","5","2","1") = "5"
    & skf21("5","6","2","6","6","5","3","1") = "5"
    & skf21("5","6","2","6","6","5","4","1") = "5"
    & skf21("5","6","2","6","6","5","5","1") = "5"
    & skf21("5","6","2","6","6","5","6","1") = "5"
    & skf21("5","6","2","6","6","5","7","1") = "6"
    & skf21("5","6","2","6","6","6","1","1") = "5"
    & skf21("5","6","2","6","6","6","2","1") = "5"
    & skf21("5","6","2","6","6","6","3","1") = "5"
    & skf21("5","6","2","6","6","6","4","1") = "5"
    & skf21("5","6","2","6","6","6","5","1") = "5"
    & skf21("5","6","2","6","6","6","6","1") = "5"
    & skf21("5","6","2","6","6","6","7","1") = "6"
    & skf21("5","6","2","6","6","7","1","1") = "6"
    & skf21("5","6","2","6","6","7","2","1") = "6"
    & skf21("5","6","2","6","6","7","3","1") = "6"
    & skf21("5","6","2","6","6","7","4","1") = "6"
    & skf21("5","6","2","6","6","7","5","1") = "6"
    & skf21("5","6","2","6","6","7","6","1") = "6"
    & skf21("5","6","2","6","6","7","7","1") = "6"
    & skf21("5","6","2","6","7","1","1","1") = "6"
    & skf21("5","6","2","6","7","1","2","1") = "6"
    & skf21("5","6","2","6","7","1","3","1") = "6"
    & skf21("5","6","2","6","7","1","4","1") = "6"
    & skf21("5","6","2","6","7","1","5","1") = "6"
    & skf21("5","6","2","6","7","1","6","1") = "6"
    & skf21("5","6","2","6","7","1","7","1") = "6"
    & skf21("5","6","2","6","7","2","1","1") = "6"
    & skf21("5","6","2","6","7","2","2","1") = "6"
    & skf21("5","6","2","6","7","2","3","1") = "6"
    & skf21("5","6","2","6","7","2","4","1") = "6"
    & skf21("5","6","2","6","7","2","5","1") = "6"
    & skf21("5","6","2","6","7","2","6","1") = "6"
    & skf21("5","6","2","6","7","2","7","1") = "6"
    & skf21("5","6","2","6","7","3","1","1") = "6"
    & skf21("5","6","2","6","7","3","2","1") = "6"
    & skf21("5","6","2","6","7","3","3","1") = "6"
    & skf21("5","6","2","6","7","3","4","1") = "6"
    & skf21("5","6","2","6","7","3","5","1") = "6"
    & skf21("5","6","2","6","7","3","6","1") = "6"
    & skf21("5","6","2","6","7","3","7","1") = "6"
    & skf21("5","6","2","6","7","4","1","1") = "6"
    & skf21("5","6","2","6","7","4","2","1") = "6"
    & skf21("5","6","2","6","7","4","3","1") = "6"
    & skf21("5","6","2","6","7","4","4","1") = "6"
    & skf21("5","6","2","6","7","4","5","1") = "6"
    & skf21("5","6","2","6","7","4","6","1") = "6"
    & skf21("5","6","2","6","7","4","7","1") = "6"
    & skf21("5","6","2","6","7","5","1","1") = "6"
    & skf21("5","6","2","6","7","5","2","1") = "6"
    & skf21("5","6","2","6","7","5","3","1") = "6"
    & skf21("5","6","2","6","7","5","4","1") = "6"
    & skf21("5","6","2","6","7","5","5","1") = "6"
    & skf21("5","6","2","6","7","5","6","1") = "6"
    & skf21("5","6","2","6","7","5","7","1") = "6"
    & skf21("5","6","2","6","7","6","1","1") = "6"
    & skf21("5","6","2","6","7","6","2","1") = "6"
    & skf21("5","6","2","6","7","6","3","1") = "6"
    & skf21("5","6","2","6","7","6","4","1") = "6"
    & skf21("5","6","2","6","7","6","5","1") = "6"
    & skf21("5","6","2","6","7","6","6","1") = "6"
    & skf21("5","6","2","6","7","6","7","1") = "6"
    & skf21("5","6","2","6","7","7","1","1") = "6"
    & skf21("5","6","2","6","7","7","2","1") = "6"
    & skf21("5","6","2","6","7","7","3","1") = "6"
    & skf21("5","6","2","6","7","7","4","1") = "6"
    & skf21("5","6","2","6","7","7","5","1") = "6"
    & skf21("5","6","2","6","7","7","6","1") = "6"
    & skf21("5","6","2","6","7","7","7","1") = "6"
    & skf21("5","6","2","7","1","1","1","1") = "6"
    & skf21("5","6","2","7","1","1","2","1") = "6"
    & skf21("5","6","2","7","1","1","3","1") = "6"
    & skf21("5","6","2","7","1","1","4","1") = "6"
    & skf21("5","6","2","7","1","1","5","1") = "6"
    & skf21("5","6","2","7","1","1","6","1") = "6"
    & skf21("5","6","2","7","1","1","7","1") = "6"
    & skf21("5","6","2","7","1","2","1","1") = "6"
    & skf21("5","6","2","7","1","2","2","1") = "6"
    & skf21("5","6","2","7","1","2","3","1") = "6"
    & skf21("5","6","2","7","1","2","4","1") = "6"
    & skf21("5","6","2","7","1","2","5","1") = "6"
    & skf21("5","6","2","7","1","2","6","1") = "6"
    & skf21("5","6","2","7","1","2","7","1") = "6"
    & skf21("5","6","2","7","1","3","1","1") = "6"
    & skf21("5","6","2","7","1","3","2","1") = "6"
    & skf21("5","6","2","7","1","3","3","1") = "6"
    & skf21("5","6","2","7","1","3","4","1") = "6"
    & skf21("5","6","2","7","1","3","5","1") = "6"
    & skf21("5","6","2","7","1","3","6","1") = "6"
    & skf21("5","6","2","7","1","3","7","1") = "6"
    & skf21("5","6","2","7","1","4","1","1") = "6"
    & skf21("5","6","2","7","1","4","2","1") = "6"
    & skf21("5","6","2","7","1","4","3","1") = "6"
    & skf21("5","6","2","7","1","4","4","1") = "6"
    & skf21("5","6","2","7","1","4","5","1") = "6"
    & skf21("5","6","2","7","1","4","6","1") = "6"
    & skf21("5","6","2","7","1","4","7","1") = "6"
    & skf21("5","6","2","7","1","5","1","1") = "6"
    & skf21("5","6","2","7","1","5","2","1") = "6"
    & skf21("5","6","2","7","1","5","3","1") = "6"
    & skf21("5","6","2","7","1","5","4","1") = "6"
    & skf21("5","6","2","7","1","5","5","1") = "6"
    & skf21("5","6","2","7","1","5","6","1") = "6"
    & skf21("5","6","2","7","1","5","7","1") = "6"
    & skf21("5","6","2","7","1","6","1","1") = "6"
    & skf21("5","6","2","7","1","6","2","1") = "6"
    & skf21("5","6","2","7","1","6","3","1") = "6"
    & skf21("5","6","2","7","1","6","4","1") = "6"
    & skf21("5","6","2","7","1","6","5","1") = "6"
    & skf21("5","6","2","7","1","6","6","1") = "6"
    & skf21("5","6","2","7","1","6","7","1") = "6"
    & skf21("5","6","2","7","1","7","1","1") = "6"
    & skf21("5","6","2","7","1","7","2","1") = "6"
    & skf21("5","6","2","7","1","7","3","1") = "6"
    & skf21("5","6","2","7","1","7","4","1") = "6"
    & skf21("5","6","2","7","1","7","5","1") = "6"
    & skf21("5","6","2","7","1","7","6","1") = "6"
    & skf21("5","6","2","7","1","7","7","1") = "6"
    & skf21("5","6","2","7","2","1","1","1") = "6"
    & skf21("5","6","2","7","2","1","2","1") = "6"
    & skf21("5","6","2","7","2","1","3","1") = "6"
    & skf21("5","6","2","7","2","1","4","1") = "6"
    & skf21("5","6","2","7","2","1","5","1") = "6"
    & skf21("5","6","2","7","2","1","6","1") = "6"
    & skf21("5","6","2","7","2","1","7","1") = "6"
    & skf21("5","6","2","7","2","2","1","1") = "6"
    & skf21("5","6","2","7","2","2","2","1") = "6"
    & skf21("5","6","2","7","2","2","3","1") = "6"
    & skf21("5","6","2","7","2","2","4","1") = "6"
    & skf21("5","6","2","7","2","2","5","1") = "6"
    & skf21("5","6","2","7","2","2","6","1") = "6"
    & skf21("5","6","2","7","2","2","7","1") = "6"
    & skf21("5","6","2","7","2","3","1","1") = "6"
    & skf21("5","6","2","7","2","3","2","1") = "6"
    & skf21("5","6","2","7","2","3","3","1") = "6"
    & skf21("5","6","2","7","2","3","4","1") = "6"
    & skf21("5","6","2","7","2","3","5","1") = "6"
    & skf21("5","6","2","7","2","3","6","1") = "6"
    & skf21("5","6","2","7","2","3","7","1") = "6"
    & skf21("5","6","2","7","2","4","1","1") = "6"
    & skf21("5","6","2","7","2","4","2","1") = "6"
    & skf21("5","6","2","7","2","4","3","1") = "6"
    & skf21("5","6","2","7","2","4","4","1") = "6"
    & skf21("5","6","2","7","2","4","5","1") = "6"
    & skf21("5","6","2","7","2","4","6","1") = "6"
    & skf21("5","6","2","7","2","4","7","1") = "6"
    & skf21("5","6","2","7","2","5","1","1") = "6"
    & skf21("5","6","2","7","2","5","2","1") = "6"
    & skf21("5","6","2","7","2","5","3","1") = "6"
    & skf21("5","6","2","7","2","5","4","1") = "6"
    & skf21("5","6","2","7","2","5","5","1") = "6"
    & skf21("5","6","2","7","2","5","6","1") = "6"
    & skf21("5","6","2","7","2","5","7","1") = "6"
    & skf21("5","6","2","7","2","6","1","1") = "6"
    & skf21("5","6","2","7","2","6","2","1") = "6"
    & skf21("5","6","2","7","2","6","3","1") = "6"
    & skf21("5","6","2","7","2","6","4","1") = "6"
    & skf21("5","6","2","7","2","6","5","1") = "6"
    & skf21("5","6","2","7","2","6","6","1") = "6"
    & skf21("5","6","2","7","2","6","7","1") = "6"
    & skf21("5","6","2","7","2","7","1","1") = "6"
    & skf21("5","6","2","7","2","7","2","1") = "6"
    & skf21("5","6","2","7","2","7","3","1") = "6"
    & skf21("5","6","2","7","2","7","4","1") = "6"
    & skf21("5","6","2","7","2","7","5","1") = "6"
    & skf21("5","6","2","7","2","7","6","1") = "6"
    & skf21("5","6","2","7","2","7","7","1") = "6"
    & skf21("5","6","2","7","3","1","1","1") = "6"
    & skf21("5","6","2","7","3","1","2","1") = "6"
    & skf21("5","6","2","7","3","1","3","1") = "6"
    & skf21("5","6","2","7","3","1","4","1") = "6"
    & skf21("5","6","2","7","3","1","5","1") = "6"
    & skf21("5","6","2","7","3","1","6","1") = "6"
    & skf21("5","6","2","7","3","1","7","1") = "6"
    & skf21("5","6","2","7","3","2","1","1") = "6"
    & skf21("5","6","2","7","3","2","2","1") = "6"
    & skf21("5","6","2","7","3","2","3","1") = "6"
    & skf21("5","6","2","7","3","2","4","1") = "6"
    & skf21("5","6","2","7","3","2","5","1") = "6"
    & skf21("5","6","2","7","3","2","6","1") = "6"
    & skf21("5","6","2","7","3","2","7","1") = "6"
    & skf21("5","6","2","7","3","3","1","1") = "6"
    & skf21("5","6","2","7","3","3","2","1") = "6"
    & skf21("5","6","2","7","3","3","3","1") = "6"
    & skf21("5","6","2","7","3","3","4","1") = "6"
    & skf21("5","6","2","7","3","3","5","1") = "6"
    & skf21("5","6","2","7","3","3","6","1") = "6"
    & skf21("5","6","2","7","3","3","7","1") = "6"
    & skf21("5","6","2","7","3","4","1","1") = "6"
    & skf21("5","6","2","7","3","4","2","1") = "6"
    & skf21("5","6","2","7","3","4","3","1") = "6"
    & skf21("5","6","2","7","3","4","4","1") = "6"
    & skf21("5","6","2","7","3","4","5","1") = "6"
    & skf21("5","6","2","7","3","4","6","1") = "6"
    & skf21("5","6","2","7","3","4","7","1") = "6"
    & skf21("5","6","2","7","3","5","1","1") = "6"
    & skf21("5","6","2","7","3","5","2","1") = "6"
    & skf21("5","6","2","7","3","5","3","1") = "6"
    & skf21("5","6","2","7","3","5","4","1") = "6"
    & skf21("5","6","2","7","3","5","5","1") = "6"
    & skf21("5","6","2","7","3","5","6","1") = "6"
    & skf21("5","6","2","7","3","5","7","1") = "6"
    & skf21("5","6","2","7","3","6","1","1") = "6"
    & skf21("5","6","2","7","3","6","2","1") = "6"
    & skf21("5","6","2","7","3","6","3","1") = "6"
    & skf21("5","6","2","7","3","6","4","1") = "6"
    & skf21("5","6","2","7","3","6","5","1") = "6"
    & skf21("5","6","2","7","3","6","6","1") = "6"
    & skf21("5","6","2","7","3","6","7","1") = "6"
    & skf21("5","6","2","7","3","7","1","1") = "6"
    & skf21("5","6","2","7","3","7","2","1") = "6"
    & skf21("5","6","2","7","3","7","3","1") = "6"
    & skf21("5","6","2","7","3","7","4","1") = "6"
    & skf21("5","6","2","7","3","7","5","1") = "6"
    & skf21("5","6","2","7","3","7","6","1") = "6"
    & skf21("5","6","2","7","3","7","7","1") = "6"
    & skf21("5","6","2","7","4","1","1","1") = "6"
    & skf21("5","6","2","7","4","1","2","1") = "6"
    & skf21("5","6","2","7","4","1","3","1") = "6"
    & skf21("5","6","2","7","4","1","4","1") = "6"
    & skf21("5","6","2","7","4","1","5","1") = "6"
    & skf21("5","6","2","7","4","1","6","1") = "6"
    & skf21("5","6","2","7","4","1","7","1") = "6"
    & skf21("5","6","2","7","4","2","1","1") = "6"
    & skf21("5","6","2","7","4","2","2","1") = "6"
    & skf21("5","6","2","7","4","2","3","1") = "6"
    & skf21("5","6","2","7","4","2","4","1") = "6"
    & skf21("5","6","2","7","4","2","5","1") = "6"
    & skf21("5","6","2","7","4","2","6","1") = "6"
    & skf21("5","6","2","7","4","2","7","1") = "6"
    & skf21("5","6","2","7","4","3","1","1") = "6"
    & skf21("5","6","2","7","4","3","2","1") = "6"
    & skf21("5","6","2","7","4","3","3","1") = "6"
    & skf21("5","6","2","7","4","3","4","1") = "6"
    & skf21("5","6","2","7","4","3","5","1") = "6"
    & skf21("5","6","2","7","4","3","6","1") = "6"
    & skf21("5","6","2","7","4","3","7","1") = "6"
    & skf21("5","6","2","7","4","4","1","1") = "6"
    & skf21("5","6","2","7","4","4","2","1") = "6"
    & skf21("5","6","2","7","4","4","3","1") = "6"
    & skf21("5","6","2","7","4","4","4","1") = "6"
    & skf21("5","6","2","7","4","4","5","1") = "6"
    & skf21("5","6","2","7","4","4","6","1") = "6"
    & skf21("5","6","2","7","4","4","7","1") = "6"
    & skf21("5","6","2","7","4","5","1","1") = "6"
    & skf21("5","6","2","7","4","5","2","1") = "6"
    & skf21("5","6","2","7","4","5","3","1") = "6"
    & skf21("5","6","2","7","4","5","4","1") = "6"
    & skf21("5","6","2","7","4","5","5","1") = "6"
    & skf21("5","6","2","7","4","5","6","1") = "6"
    & skf21("5","6","2","7","4","5","7","1") = "6"
    & skf21("5","6","2","7","4","6","1","1") = "6"
    & skf21("5","6","2","7","4","6","2","1") = "6"
    & skf21("5","6","2","7","4","6","3","1") = "6"
    & skf21("5","6","2","7","4","6","4","1") = "6"
    & skf21("5","6","2","7","4","6","5","1") = "6"
    & skf21("5","6","2","7","4","6","6","1") = "6"
    & skf21("5","6","2","7","4","6","7","1") = "6"
    & skf21("5","6","2","7","4","7","1","1") = "6"
    & skf21("5","6","2","7","4","7","2","1") = "6"
    & skf21("5","6","2","7","4","7","3","1") = "6"
    & skf21("5","6","2","7","4","7","4","1") = "6"
    & skf21("5","6","2","7","4","7","5","1") = "6"
    & skf21("5","6","2","7","4","7","6","1") = "6"
    & skf21("5","6","2","7","4","7","7","1") = "6"
    & skf21("5","6","2","7","5","1","1","1") = "6"
    & skf21("5","6","2","7","5","1","2","1") = "6"
    & skf21("5","6","2","7","5","1","3","1") = "6"
    & skf21("5","6","2","7","5","1","4","1") = "6"
    & skf21("5","6","2","7","5","1","5","1") = "6"
    & skf21("5","6","2","7","5","1","6","1") = "6"
    & skf21("5","6","2","7","5","1","7","1") = "6"
    & skf21("5","6","2","7","5","2","1","1") = "6"
    & skf21("5","6","2","7","5","2","2","1") = "6"
    & skf21("5","6","2","7","5","2","3","1") = "6"
    & skf21("5","6","2","7","5","2","4","1") = "6"
    & skf21("5","6","2","7","5","2","5","1") = "6"
    & skf21("5","6","2","7","5","2","6","1") = "6"
    & skf21("5","6","2","7","5","2","7","1") = "6"
    & skf21("5","6","2","7","5","3","1","1") = "6"
    & skf21("5","6","2","7","5","3","2","1") = "6"
    & skf21("5","6","2","7","5","3","3","1") = "6"
    & skf21("5","6","2","7","5","3","4","1") = "6"
    & skf21("5","6","2","7","5","3","5","1") = "6"
    & skf21("5","6","2","7","5","3","6","1") = "6"
    & skf21("5","6","2","7","5","3","7","1") = "6"
    & skf21("5","6","2","7","5","4","1","1") = "6"
    & skf21("5","6","2","7","5","4","2","1") = "6"
    & skf21("5","6","2","7","5","4","3","1") = "6"
    & skf21("5","6","2","7","5","4","4","1") = "6"
    & skf21("5","6","2","7","5","4","5","1") = "6"
    & skf21("5","6","2","7","5","4","6","1") = "6"
    & skf21("5","6","2","7","5","4","7","1") = "6"
    & skf21("5","6","2","7","5","5","1","1") = "6"
    & skf21("5","6","2","7","5","5","2","1") = "6"
    & skf21("5","6","2","7","5","5","3","1") = "6"
    & skf21("5","6","2","7","5","5","4","1") = "6"
    & skf21("5","6","2","7","5","5","5","1") = "6"
    & skf21("5","6","2","7","5","5","6","1") = "6"
    & skf21("5","6","2","7","5","5","7","1") = "6"
    & skf21("5","6","2","7","5","6","1","1") = "6"
    & skf21("5","6","2","7","5","6","2","1") = "6"
    & skf21("5","6","2","7","5","6","3","1") = "6"
    & skf21("5","6","2","7","5","6","4","1") = "6"
    & skf21("5","6","2","7","5","6","5","1") = "6"
    & skf21("5","6","2","7","5","6","6","1") = "6"
    & skf21("5","6","2","7","5","6","7","1") = "6"
    & skf21("5","6","2","7","5","7","1","1") = "6"
    & skf21("5","6","2","7","5","7","2","1") = "6"
    & skf21("5","6","2","7","5","7","3","1") = "6"
    & skf21("5","6","2","7","5","7","4","1") = "6"
    & skf21("5","6","2","7","5","7","5","1") = "6"
    & skf21("5","6","2","7","5","7","6","1") = "6"
    & skf21("5","6","2","7","5","7","7","1") = "6"
    & skf21("5","6","2","7","6","1","1","1") = "6"
    & skf21("5","6","2","7","6","1","2","1") = "6"
    & skf21("5","6","2","7","6","1","3","1") = "6"
    & skf21("5","6","2","7","6","1","4","1") = "6"
    & skf21("5","6","2","7","6","1","5","1") = "6"
    & skf21("5","6","2","7","6","1","6","1") = "6"
    & skf21("5","6","2","7","6","1","7","1") = "6"
    & skf21("5","6","2","7","6","2","1","1") = "6"
    & skf21("5","6","2","7","6","2","2","1") = "6"
    & skf21("5","6","2","7","6","2","3","1") = "6"
    & skf21("5","6","2","7","6","2","4","1") = "6"
    & skf21("5","6","2","7","6","2","5","1") = "6"
    & skf21("5","6","2","7","6","2","6","1") = "6"
    & skf21("5","6","2","7","6","2","7","1") = "6"
    & skf21("5","6","2","7","6","3","1","1") = "6"
    & skf21("5","6","2","7","6","3","2","1") = "6"
    & skf21("5","6","2","7","6","3","3","1") = "6"
    & skf21("5","6","2","7","6","3","4","1") = "6"
    & skf21("5","6","2","7","6","3","5","1") = "6"
    & skf21("5","6","2","7","6","3","6","1") = "6"
    & skf21("5","6","2","7","6","3","7","1") = "6"
    & skf21("5","6","2","7","6","4","1","1") = "6"
    & skf21("5","6","2","7","6","4","2","1") = "6"
    & skf21("5","6","2","7","6","4","3","1") = "6"
    & skf21("5","6","2","7","6","4","4","1") = "6"
    & skf21("5","6","2","7","6","4","5","1") = "6"
    & skf21("5","6","2","7","6","4","6","1") = "6"
    & skf21("5","6","2","7","6","4","7","1") = "6"
    & skf21("5","6","2","7","6","5","1","1") = "6"
    & skf21("5","6","2","7","6","5","2","1") = "6"
    & skf21("5","6","2","7","6","5","3","1") = "6"
    & skf21("5","6","2","7","6","5","4","1") = "6"
    & skf21("5","6","2","7","6","5","5","1") = "6"
    & skf21("5","6","2","7","6","5","6","1") = "6"
    & skf21("5","6","2","7","6","5","7","1") = "6"
    & skf21("5","6","2","7","6","6","1","1") = "6"
    & skf21("5","6","2","7","6","6","2","1") = "6"
    & skf21("5","6","2","7","6","6","3","1") = "6"
    & skf21("5","6","2","7","6","6","4","1") = "6"
    & skf21("5","6","2","7","6","6","5","1") = "6"
    & skf21("5","6","2","7","6","6","6","1") = "6"
    & skf21("5","6","2","7","6","6","7","1") = "6"
    & skf21("5","6","2","7","6","7","1","1") = "6"
    & skf21("5","6","2","7","6","7","2","1") = "6"
    & skf21("5","6","2","7","6","7","3","1") = "6"
    & skf21("5","6","2","7","6","7","4","1") = "6"
    & skf21("5","6","2","7","6","7","5","1") = "6"
    & skf21("5","6","2","7","6","7","6","1") = "6"
    & skf21("5","6","2","7","6","7","7","1") = "6"
    & skf21("5","6","2","7","7","1","1","1") = "6"
    & skf21("5","6","2","7","7","1","2","1") = "6"
    & skf21("5","6","2","7","7","1","3","1") = "6"
    & skf21("5","6","2","7","7","1","4","1") = "6"
    & skf21("5","6","2","7","7","1","5","1") = "6"
    & skf21("5","6","2","7","7","1","6","1") = "6"
    & skf21("5","6","2","7","7","1","7","1") = "6"
    & skf21("5","6","2","7","7","2","1","1") = "6"
    & skf21("5","6","2","7","7","2","2","1") = "6"
    & skf21("5","6","2","7","7","2","3","1") = "6"
    & skf21("5","6","2","7","7","2","4","1") = "6"
    & skf21("5","6","2","7","7","2","5","1") = "6"
    & skf21("5","6","2","7","7","2","6","1") = "6"
    & skf21("5","6","2","7","7","2","7","1") = "6"
    & skf21("5","6","2","7","7","3","1","1") = "6"
    & skf21("5","6","2","7","7","3","2","1") = "6"
    & skf21("5","6","2","7","7","3","3","1") = "6"
    & skf21("5","6","2","7","7","3","4","1") = "6"
    & skf21("5","6","2","7","7","3","5","1") = "6"
    & skf21("5","6","2","7","7","3","6","1") = "6"
    & skf21("5","6","2","7","7","3","7","1") = "6"
    & skf21("5","6","2","7","7","4","1","1") = "6"
    & skf21("5","6","2","7","7","4","2","1") = "6"
    & skf21("5","6","2","7","7","4","3","1") = "6"
    & skf21("5","6","2","7","7","4","4","1") = "6"
    & skf21("5","6","2","7","7","4","5","1") = "6"
    & skf21("5","6","2","7","7","4","6","1") = "6"
    & skf21("5","6","2","7","7","4","7","1") = "6"
    & skf21("5","6","2","7","7","5","1","1") = "6"
    & skf21("5","6","2","7","7","5","2","1") = "6"
    & skf21("5","6","2","7","7","5","3","1") = "6"
    & skf21("5","6","2","7","7","5","4","1") = "6"
    & skf21("5","6","2","7","7","5","5","1") = "6"
    & skf21("5","6","2","7","7","5","6","1") = "6"
    & skf21("5","6","2","7","7","5","7","1") = "6"
    & skf21("5","6","2","7","7","6","1","1") = "6"
    & skf21("5","6","2","7","7","6","2","1") = "6"
    & skf21("5","6","2","7","7","6","3","1") = "6"
    & skf21("5","6","2","7","7","6","4","1") = "6"
    & skf21("5","6","2","7","7","6","5","1") = "6"
    & skf21("5","6","2","7","7","6","6","1") = "6"
    & skf21("5","6","2","7","7","6","7","1") = "6"
    & skf21("5","6","2","7","7","7","1","1") = "6"
    & skf21("5","6","2","7","7","7","2","1") = "6"
    & skf21("5","6","2","7","7","7","3","1") = "6"
    & skf21("5","6","2","7","7","7","4","1") = "6"
    & skf21("5","6","2","7","7","7","5","1") = "6"
    & skf21("5","6","2","7","7","7","6","1") = "6"
    & skf21("5","6","2","7","7","7","7","1") = "6"
    & skf21("5","6","3","1","1","1","1","1") = "5"
    & skf21("5","6","3","1","1","1","2","1") = "5"
    & skf21("5","6","3","1","1","1","3","1") = "5"
    & skf21("5","6","3","1","1","1","4","1") = "5"
    & skf21("5","6","3","1","1","1","5","1") = "5"
    & skf21("5","6","3","1","1","1","6","1") = "5"
    & skf21("5","6","3","1","1","1","7","1") = "6"
    & skf21("5","6","3","1","1","2","1","1") = "5"
    & skf21("5","6","3","1","1","2","2","1") = "5"
    & skf21("5","6","3","1","1","2","3","1") = "5"
    & skf21("5","6","3","1","1","2","4","1") = "5"
    & skf21("5","6","3","1","1","2","5","1") = "5"
    & skf21("5","6","3","1","1","2","6","1") = "5"
    & skf21("5","6","3","1","1","2","7","1") = "6"
    & skf21("5","6","3","1","1","3","1","1") = "5"
    & skf21("5","6","3","1","1","3","2","1") = "5"
    & skf21("5","6","3","1","1","3","3","1") = "5"
    & skf21("5","6","3","1","1","3","4","1") = "5"
    & skf21("5","6","3","1","1","3","5","1") = "5"
    & skf21("5","6","3","1","1","3","6","1") = "5"
    & skf21("5","6","3","1","1","3","7","1") = "6"
    & skf21("5","6","3","1","1","4","1","1") = "5"
    & skf21("5","6","3","1","1","4","2","1") = "5"
    & skf21("5","6","3","1","1","4","3","1") = "5"
    & skf21("5","6","3","1","1","4","4","1") = "5"
    & skf21("5","6","3","1","1","4","5","1") = "5"
    & skf21("5","6","3","1","1","4","6","1") = "5"
    & skf21("5","6","3","1","1","4","7","1") = "6"
    & skf21("5","6","3","1","1","5","1","1") = "5"
    & skf21("5","6","3","1","1","5","2","1") = "5"
    & skf21("5","6","3","1","1","5","3","1") = "5"
    & skf21("5","6","3","1","1","5","4","1") = "5"
    & skf21("5","6","3","1","1","5","5","1") = "5"
    & skf21("5","6","3","1","1","5","6","1") = "5"
    & skf21("5","6","3","1","1","5","7","1") = "6"
    & skf21("5","6","3","1","1","6","1","1") = "5"
    & skf21("5","6","3","1","1","6","2","1") = "5"
    & skf21("5","6","3","1","1","6","3","1") = "5"
    & skf21("5","6","3","1","1","6","4","1") = "5"
    & skf21("5","6","3","1","1","6","5","1") = "5"
    & skf21("5","6","3","1","1","6","6","1") = "5"
    & skf21("5","6","3","1","1","6","7","1") = "6"
    & skf21("5","6","3","1","1","7","1","1") = "6"
    & skf21("5","6","3","1","1","7","2","1") = "6"
    & skf21("5","6","3","1","1","7","3","1") = "6"
    & skf21("5","6","3","1","1","7","4","1") = "6"
    & skf21("5","6","3","1","1","7","5","1") = "6"
    & skf21("5","6","3","1","1","7","6","1") = "6"
    & skf21("5","6","3","1","1","7","7","1") = "6"
    & skf21("5","6","3","1","2","1","1","1") = "5"
    & skf21("5","6","3","1","2","1","2","1") = "5"
    & skf21("5","6","3","1","2","1","3","1") = "5"
    & skf21("5","6","3","1","2","1","4","1") = "5"
    & skf21("5","6","3","1","2","1","5","1") = "5"
    & skf21("5","6","3","1","2","1","6","1") = "5"
    & skf21("5","6","3","1","2","1","7","1") = "6"
    & skf21("5","6","3","1","2","2","1","1") = "5"
    & skf21("5","6","3","1","2","2","2","1") = "5"
    & skf21("5","6","3","1","2","2","3","1") = "5"
    & skf21("5","6","3","1","2","2","4","1") = "5"
    & skf21("5","6","3","1","2","2","5","1") = "5"
    & skf21("5","6","3","1","2","2","6","1") = "5"
    & skf21("5","6","3","1","2","2","7","1") = "6"
    & skf21("5","6","3","1","2","3","1","1") = "5"
    & skf21("5","6","3","1","2","3","2","1") = "5"
    & skf21("5","6","3","1","2","3","3","1") = "5"
    & skf21("5","6","3","1","2","3","4","1") = "5"
    & skf21("5","6","3","1","2","3","5","1") = "5"
    & skf21("5","6","3","1","2","3","6","1") = "5"
    & skf21("5","6","3","1","2","3","7","1") = "6"
    & skf21("5","6","3","1","2","4","1","1") = "5"
    & skf21("5","6","3","1","2","4","2","1") = "5"
    & skf21("5","6","3","1","2","4","3","1") = "5"
    & skf21("5","6","3","1","2","4","4","1") = "5"
    & skf21("5","6","3","1","2","4","5","1") = "5"
    & skf21("5","6","3","1","2","4","6","1") = "5"
    & skf21("5","6","3","1","2","4","7","1") = "6"
    & skf21("5","6","3","1","2","5","1","1") = "5"
    & skf21("5","6","3","1","2","5","2","1") = "5"
    & skf21("5","6","3","1","2","5","3","1") = "5"
    & skf21("5","6","3","1","2","5","4","1") = "5"
    & skf21("5","6","3","1","2","5","5","1") = "5"
    & skf21("5","6","3","1","2","5","6","1") = "5"
    & skf21("5","6","3","1","2","5","7","1") = "6"
    & skf21("5","6","3","1","2","6","1","1") = "5"
    & skf21("5","6","3","1","2","6","2","1") = "5"
    & skf21("5","6","3","1","2","6","3","1") = "5"
    & skf21("5","6","3","1","2","6","4","1") = "5"
    & skf21("5","6","3","1","2","6","5","1") = "5"
    & skf21("5","6","3","1","2","6","6","1") = "5"
    & skf21("5","6","3","1","2","6","7","1") = "6"
    & skf21("5","6","3","1","2","7","1","1") = "6"
    & skf21("5","6","3","1","2","7","2","1") = "6"
    & skf21("5","6","3","1","2","7","3","1") = "6"
    & skf21("5","6","3","1","2","7","4","1") = "6"
    & skf21("5","6","3","1","2","7","5","1") = "6"
    & skf21("5","6","3","1","2","7","6","1") = "6"
    & skf21("5","6","3","1","2","7","7","1") = "6"
    & skf21("5","6","3","1","3","1","1","1") = "5"
    & skf21("5","6","3","1","3","1","2","1") = "5"
    & skf21("5","6","3","1","3","1","3","1") = "5"
    & skf21("5","6","3","1","3","1","4","1") = "5"
    & skf21("5","6","3","1","3","1","5","1") = "5"
    & skf21("5","6","3","1","3","1","6","1") = "5"
    & skf21("5","6","3","1","3","1","7","1") = "6"
    & skf21("5","6","3","1","3","2","1","1") = "5"
    & skf21("5","6","3","1","3","2","2","1") = "5"
    & skf21("5","6","3","1","3","2","3","1") = "5"
    & skf21("5","6","3","1","3","2","4","1") = "5"
    & skf21("5","6","3","1","3","2","5","1") = "5"
    & skf21("5","6","3","1","3","2","6","1") = "5"
    & skf21("5","6","3","1","3","2","7","1") = "6"
    & skf21("5","6","3","1","3","3","1","1") = "5"
    & skf21("5","6","3","1","3","3","2","1") = "5"
    & skf21("5","6","3","1","3","3","3","1") = "5"
    & skf21("5","6","3","1","3","3","4","1") = "5"
    & skf21("5","6","3","1","3","3","5","1") = "5"
    & skf21("5","6","3","1","3","3","6","1") = "5"
    & skf21("5","6","3","1","3","3","7","1") = "6"
    & skf21("5","6","3","1","3","4","1","1") = "5"
    & skf21("5","6","3","1","3","4","2","1") = "5"
    & skf21("5","6","3","1","3","4","3","1") = "5"
    & skf21("5","6","3","1","3","4","4","1") = "5"
    & skf21("5","6","3","1","3","4","5","1") = "5"
    & skf21("5","6","3","1","3","4","6","1") = "5"
    & skf21("5","6","3","1","3","4","7","1") = "6"
    & skf21("5","6","3","1","3","5","1","1") = "5"
    & skf21("5","6","3","1","3","5","2","1") = "5"
    & skf21("5","6","3","1","3","5","3","1") = "5"
    & skf21("5","6","3","1","3","5","4","1") = "5"
    & skf21("5","6","3","1","3","5","5","1") = "5"
    & skf21("5","6","3","1","3","5","6","1") = "5"
    & skf21("5","6","3","1","3","5","7","1") = "6"
    & skf21("5","6","3","1","3","6","1","1") = "5"
    & skf21("5","6","3","1","3","6","2","1") = "5"
    & skf21("5","6","3","1","3","6","3","1") = "5"
    & skf21("5","6","3","1","3","6","4","1") = "5"
    & skf21("5","6","3","1","3","6","5","1") = "5"
    & skf21("5","6","3","1","3","6","6","1") = "5"
    & skf21("5","6","3","1","3","6","7","1") = "6"
    & skf21("5","6","3","1","3","7","1","1") = "6"
    & skf21("5","6","3","1","3","7","2","1") = "6"
    & skf21("5","6","3","1","3","7","3","1") = "6"
    & skf21("5","6","3","1","3","7","4","1") = "6"
    & skf21("5","6","3","1","3","7","5","1") = "6"
    & skf21("5","6","3","1","3","7","6","1") = "6"
    & skf21("5","6","3","1","3","7","7","1") = "6"
    & skf21("5","6","3","1","4","1","1","1") = "5"
    & skf21("5","6","3","1","4","1","2","1") = "5"
    & skf21("5","6","3","1","4","1","3","1") = "5"
    & skf21("5","6","3","1","4","1","4","1") = "5"
    & skf21("5","6","3","1","4","1","5","1") = "5"
    & skf21("5","6","3","1","4","1","6","1") = "5"
    & skf21("5","6","3","1","4","1","7","1") = "6"
    & skf21("5","6","3","1","4","2","1","1") = "5"
    & skf21("5","6","3","1","4","2","2","1") = "5"
    & skf21("5","6","3","1","4","2","3","1") = "5"
    & skf21("5","6","3","1","4","2","4","1") = "5"
    & skf21("5","6","3","1","4","2","5","1") = "5"
    & skf21("5","6","3","1","4","2","6","1") = "5"
    & skf21("5","6","3","1","4","2","7","1") = "6"
    & skf21("5","6","3","1","4","3","1","1") = "5"
    & skf21("5","6","3","1","4","3","2","1") = "5"
    & skf21("5","6","3","1","4","3","3","1") = "5"
    & skf21("5","6","3","1","4","3","4","1") = "5"
    & skf21("5","6","3","1","4","3","5","1") = "5"
    & skf21("5","6","3","1","4","3","6","1") = "5"
    & skf21("5","6","3","1","4","3","7","1") = "6"
    & skf21("5","6","3","1","4","4","1","1") = "5"
    & skf21("5","6","3","1","4","4","2","1") = "5"
    & skf21("5","6","3","1","4","4","3","1") = "5"
    & skf21("5","6","3","1","4","4","4","1") = "5"
    & skf21("5","6","3","1","4","4","5","1") = "5"
    & skf21("5","6","3","1","4","4","6","1") = "5"
    & skf21("5","6","3","1","4","4","7","1") = "6"
    & skf21("5","6","3","1","4","5","1","1") = "5"
    & skf21("5","6","3","1","4","5","2","1") = "5"
    & skf21("5","6","3","1","4","5","3","1") = "5"
    & skf21("5","6","3","1","4","5","4","1") = "5"
    & skf21("5","6","3","1","4","5","5","1") = "5"
    & skf21("5","6","3","1","4","5","6","1") = "5"
    & skf21("5","6","3","1","4","5","7","1") = "6"
    & skf21("5","6","3","1","4","6","1","1") = "5"
    & skf21("5","6","3","1","4","6","2","1") = "5"
    & skf21("5","6","3","1","4","6","3","1") = "5"
    & skf21("5","6","3","1","4","6","4","1") = "5"
    & skf21("5","6","3","1","4","6","5","1") = "5"
    & skf21("5","6","3","1","4","6","6","1") = "5"
    & skf21("5","6","3","1","4","6","7","1") = "6"
    & skf21("5","6","3","1","4","7","1","1") = "6"
    & skf21("5","6","3","1","4","7","2","1") = "6"
    & skf21("5","6","3","1","4","7","3","1") = "6"
    & skf21("5","6","3","1","4","7","4","1") = "6"
    & skf21("5","6","3","1","4","7","5","1") = "6"
    & skf21("5","6","3","1","4","7","6","1") = "6"
    & skf21("5","6","3","1","4","7","7","1") = "6"
    & skf21("5","6","3","1","5","1","1","1") = "5"
    & skf21("5","6","3","1","5","1","2","1") = "5"
    & skf21("5","6","3","1","5","1","3","1") = "5"
    & skf21("5","6","3","1","5","1","4","1") = "5"
    & skf21("5","6","3","1","5","1","5","1") = "5"
    & skf21("5","6","3","1","5","1","6","1") = "5"
    & skf21("5","6","3","1","5","1","7","1") = "6"
    & skf21("5","6","3","1","5","2","1","1") = "5"
    & skf21("5","6","3","1","5","2","2","1") = "5"
    & skf21("5","6","3","1","5","2","3","1") = "5"
    & skf21("5","6","3","1","5","2","4","1") = "5"
    & skf21("5","6","3","1","5","2","5","1") = "5"
    & skf21("5","6","3","1","5","2","6","1") = "5"
    & skf21("5","6","3","1","5","2","7","1") = "6"
    & skf21("5","6","3","1","5","3","1","1") = "5"
    & skf21("5","6","3","1","5","3","2","1") = "5"
    & skf21("5","6","3","1","5","3","3","1") = "5"
    & skf21("5","6","3","1","5","3","4","1") = "5"
    & skf21("5","6","3","1","5","3","5","1") = "5"
    & skf21("5","6","3","1","5","3","6","1") = "5"
    & skf21("5","6","3","1","5","3","7","1") = "6"
    & skf21("5","6","3","1","5","4","1","1") = "5"
    & skf21("5","6","3","1","5","4","2","1") = "5"
    & skf21("5","6","3","1","5","4","3","1") = "5"
    & skf21("5","6","3","1","5","4","4","1") = "5"
    & skf21("5","6","3","1","5","4","5","1") = "5"
    & skf21("5","6","3","1","5","4","6","1") = "5"
    & skf21("5","6","3","1","5","4","7","1") = "6"
    & skf21("5","6","3","1","5","5","1","1") = "5"
    & skf21("5","6","3","1","5","5","2","1") = "5"
    & skf21("5","6","3","1","5","5","3","1") = "5"
    & skf21("5","6","3","1","5","5","4","1") = "5"
    & skf21("5","6","3","1","5","5","5","1") = "5"
    & skf21("5","6","3","1","5","5","6","1") = "5"
    & skf21("5","6","3","1","5","5","7","1") = "6"
    & skf21("5","6","3","1","5","6","1","1") = "5"
    & skf21("5","6","3","1","5","6","2","1") = "5"
    & skf21("5","6","3","1","5","6","3","1") = "5"
    & skf21("5","6","3","1","5","6","4","1") = "5"
    & skf21("5","6","3","1","5","6","5","1") = "5"
    & skf21("5","6","3","1","5","6","6","1") = "5"
    & skf21("5","6","3","1","5","6","7","1") = "6"
    & skf21("5","6","3","1","5","7","1","1") = "6"
    & skf21("5","6","3","1","5","7","2","1") = "6"
    & skf21("5","6","3","1","5","7","3","1") = "6"
    & skf21("5","6","3","1","5","7","4","1") = "6"
    & skf21("5","6","3","1","5","7","5","1") = "6"
    & skf21("5","6","3","1","5","7","6","1") = "6"
    & skf21("5","6","3","1","5","7","7","1") = "6"
    & skf21("5","6","3","1","6","1","1","1") = "5"
    & skf21("5","6","3","1","6","1","2","1") = "5"
    & skf21("5","6","3","1","6","1","3","1") = "5"
    & skf21("5","6","3","1","6","1","4","1") = "5"
    & skf21("5","6","3","1","6","1","5","1") = "5"
    & skf21("5","6","3","1","6","1","6","1") = "5"
    & skf21("5","6","3","1","6","1","7","1") = "6"
    & skf21("5","6","3","1","6","2","1","1") = "5"
    & skf21("5","6","3","1","6","2","2","1") = "5"
    & skf21("5","6","3","1","6","2","3","1") = "5"
    & skf21("5","6","3","1","6","2","4","1") = "5"
    & skf21("5","6","3","1","6","2","5","1") = "5"
    & skf21("5","6","3","1","6","2","6","1") = "5"
    & skf21("5","6","3","1","6","2","7","1") = "6"
    & skf21("5","6","3","1","6","3","1","1") = "5"
    & skf21("5","6","3","1","6","3","2","1") = "5"
    & skf21("5","6","3","1","6","3","3","1") = "5"
    & skf21("5","6","3","1","6","3","4","1") = "5"
    & skf21("5","6","3","1","6","3","5","1") = "5"
    & skf21("5","6","3","1","6","3","6","1") = "5"
    & skf21("5","6","3","1","6","3","7","1") = "6"
    & skf21("5","6","3","1","6","4","1","1") = "5"
    & skf21("5","6","3","1","6","4","2","1") = "5"
    & skf21("5","6","3","1","6","4","3","1") = "5"
    & skf21("5","6","3","1","6","4","4","1") = "5"
    & skf21("5","6","3","1","6","4","5","1") = "5"
    & skf21("5","6","3","1","6","4","6","1") = "5"
    & skf21("5","6","3","1","6","4","7","1") = "6"
    & skf21("5","6","3","1","6","5","1","1") = "5"
    & skf21("5","6","3","1","6","5","2","1") = "5"
    & skf21("5","6","3","1","6","5","3","1") = "5"
    & skf21("5","6","3","1","6","5","4","1") = "5"
    & skf21("5","6","3","1","6","5","5","1") = "5"
    & skf21("5","6","3","1","6","5","6","1") = "5"
    & skf21("5","6","3","1","6","5","7","1") = "6"
    & skf21("5","6","3","1","6","6","1","1") = "5"
    & skf21("5","6","3","1","6","6","2","1") = "5"
    & skf21("5","6","3","1","6","6","3","1") = "5"
    & skf21("5","6","3","1","6","6","4","1") = "5"
    & skf21("5","6","3","1","6","6","5","1") = "5"
    & skf21("5","6","3","1","6","6","6","1") = "5"
    & skf21("5","6","3","1","6","6","7","1") = "6"
    & skf21("5","6","3","1","6","7","1","1") = "6"
    & skf21("5","6","3","1","6","7","2","1") = "6"
    & skf21("5","6","3","1","6","7","3","1") = "6"
    & skf21("5","6","3","1","6","7","4","1") = "6"
    & skf21("5","6","3","1","6","7","5","1") = "6"
    & skf21("5","6","3","1","6","7","6","1") = "6"
    & skf21("5","6","3","1","6","7","7","1") = "6"
    & skf21("5","6","3","1","7","1","1","1") = "6"
    & skf21("5","6","3","1","7","1","2","1") = "6"
    & skf21("5","6","3","1","7","1","3","1") = "6"
    & skf21("5","6","3","1","7","1","4","1") = "6"
    & skf21("5","6","3","1","7","1","5","1") = "6"
    & skf21("5","6","3","1","7","1","6","1") = "6"
    & skf21("5","6","3","1","7","1","7","1") = "6"
    & skf21("5","6","3","1","7","2","1","1") = "6"
    & skf21("5","6","3","1","7","2","2","1") = "6"
    & skf21("5","6","3","1","7","2","3","1") = "6"
    & skf21("5","6","3","1","7","2","4","1") = "6"
    & skf21("5","6","3","1","7","2","5","1") = "6"
    & skf21("5","6","3","1","7","2","6","1") = "6"
    & skf21("5","6","3","1","7","2","7","1") = "6"
    & skf21("5","6","3","1","7","3","1","1") = "6"
    & skf21("5","6","3","1","7","3","2","1") = "6"
    & skf21("5","6","3","1","7","3","3","1") = "6"
    & skf21("5","6","3","1","7","3","4","1") = "6"
    & skf21("5","6","3","1","7","3","5","1") = "6"
    & skf21("5","6","3","1","7","3","6","1") = "6"
    & skf21("5","6","3","1","7","3","7","1") = "6"
    & skf21("5","6","3","1","7","4","1","1") = "6"
    & skf21("5","6","3","1","7","4","2","1") = "6"
    & skf21("5","6","3","1","7","4","3","1") = "6"
    & skf21("5","6","3","1","7","4","4","1") = "6"
    & skf21("5","6","3","1","7","4","5","1") = "6"
    & skf21("5","6","3","1","7","4","6","1") = "6"
    & skf21("5","6","3","1","7","4","7","1") = "6"
    & skf21("5","6","3","1","7","5","1","1") = "6"
    & skf21("5","6","3","1","7","5","2","1") = "6"
    & skf21("5","6","3","1","7","5","3","1") = "6"
    & skf21("5","6","3","1","7","5","4","1") = "6"
    & skf21("5","6","3","1","7","5","5","1") = "6"
    & skf21("5","6","3","1","7","5","6","1") = "6"
    & skf21("5","6","3","1","7","5","7","1") = "6"
    & skf21("5","6","3","1","7","6","1","1") = "6"
    & skf21("5","6","3","1","7","6","2","1") = "6"
    & skf21("5","6","3","1","7","6","3","1") = "6"
    & skf21("5","6","3","1","7","6","4","1") = "6"
    & skf21("5","6","3","1","7","6","5","1") = "6"
    & skf21("5","6","3","1","7","6","6","1") = "6"
    & skf21("5","6","3","1","7","6","7","1") = "6"
    & skf21("5","6","3","1","7","7","1","1") = "6"
    & skf21("5","6","3","1","7","7","2","1") = "6"
    & skf21("5","6","3","1","7","7","3","1") = "6"
    & skf21("5","6","3","1","7","7","4","1") = "6"
    & skf21("5","6","3","1","7","7","5","1") = "6"
    & skf21("5","6","3","1","7","7","6","1") = "6"
    & skf21("5","6","3","1","7","7","7","1") = "6"
    & skf21("5","6","3","2","1","1","1","1") = "5"
    & skf21("5","6","3","2","1","1","2","1") = "5"
    & skf21("5","6","3","2","1","1","3","1") = "5"
    & skf21("5","6","3","2","1","1","4","1") = "5"
    & skf21("5","6","3","2","1","1","5","1") = "5"
    & skf21("5","6","3","2","1","1","6","1") = "5"
    & skf21("5","6","3","2","1","1","7","1") = "6"
    & skf21("5","6","3","2","1","2","1","1") = "5"
    & skf21("5","6","3","2","1","2","2","1") = "5"
    & skf21("5","6","3","2","1","2","3","1") = "5"
    & skf21("5","6","3","2","1","2","4","1") = "5"
    & skf21("5","6","3","2","1","2","5","1") = "5"
    & skf21("5","6","3","2","1","2","6","1") = "5"
    & skf21("5","6","3","2","1","2","7","1") = "6"
    & skf21("5","6","3","2","1","3","1","1") = "5"
    & skf21("5","6","3","2","1","3","2","1") = "5"
    & skf21("5","6","3","2","1","3","3","1") = "5"
    & skf21("5","6","3","2","1","3","4","1") = "5"
    & skf21("5","6","3","2","1","3","5","1") = "5"
    & skf21("5","6","3","2","1","3","6","1") = "5"
    & skf21("5","6","3","2","1","3","7","1") = "6"
    & skf21("5","6","3","2","1","4","1","1") = "5"
    & skf21("5","6","3","2","1","4","2","1") = "5"
    & skf21("5","6","3","2","1","4","3","1") = "5"
    & skf21("5","6","3","2","1","4","4","1") = "5"
    & skf21("5","6","3","2","1","4","5","1") = "5"
    & skf21("5","6","3","2","1","4","6","1") = "5"
    & skf21("5","6","3","2","1","4","7","1") = "6"
    & skf21("5","6","3","2","1","5","1","1") = "5"
    & skf21("5","6","3","2","1","5","2","1") = "5"
    & skf21("5","6","3","2","1","5","3","1") = "5"
    & skf21("5","6","3","2","1","5","4","1") = "5"
    & skf21("5","6","3","2","1","5","5","1") = "5"
    & skf21("5","6","3","2","1","5","6","1") = "5"
    & skf21("5","6","3","2","1","5","7","1") = "6"
    & skf21("5","6","3","2","1","6","1","1") = "5"
    & skf21("5","6","3","2","1","6","2","1") = "5"
    & skf21("5","6","3","2","1","6","3","1") = "5"
    & skf21("5","6","3","2","1","6","4","1") = "5"
    & skf21("5","6","3","2","1","6","5","1") = "5"
    & skf21("5","6","3","2","1","6","6","1") = "5"
    & skf21("5","6","3","2","1","6","7","1") = "6"
    & skf21("5","6","3","2","1","7","1","1") = "6"
    & skf21("5","6","3","2","1","7","2","1") = "6"
    & skf21("5","6","3","2","1","7","3","1") = "6"
    & skf21("5","6","3","2","1","7","4","1") = "6"
    & skf21("5","6","3","2","1","7","5","1") = "6"
    & skf21("5","6","3","2","1","7","6","1") = "6"
    & skf21("5","6","3","2","1","7","7","1") = "6"
    & skf21("5","6","3","2","2","1","1","1") = "5"
    & skf21("5","6","3","2","2","1","2","1") = "5"
    & skf21("5","6","3","2","2","1","3","1") = "5"
    & skf21("5","6","3","2","2","1","4","1") = "5"
    & skf21("5","6","3","2","2","1","5","1") = "5"
    & skf21("5","6","3","2","2","1","6","1") = "5"
    & skf21("5","6","3","2","2","1","7","1") = "6"
    & skf21("5","6","3","2","2","2","1","1") = "5"
    & skf21("5","6","3","2","2","2","2","1") = "5"
    & skf21("5","6","3","2","2","2","3","1") = "5"
    & skf21("5","6","3","2","2","2","4","1") = "5"
    & skf21("5","6","3","2","2","2","5","1") = "5"
    & skf21("5","6","3","2","2","2","6","1") = "5"
    & skf21("5","6","3","2","2","2","7","1") = "6"
    & skf21("5","6","3","2","2","3","1","1") = "5"
    & skf21("5","6","3","2","2","3","2","1") = "5"
    & skf21("5","6","3","2","2","3","3","1") = "5"
    & skf21("5","6","3","2","2","3","4","1") = "5"
    & skf21("5","6","3","2","2","3","5","1") = "5"
    & skf21("5","6","3","2","2","3","6","1") = "5"
    & skf21("5","6","3","2","2","3","7","1") = "6"
    & skf21("5","6","3","2","2","4","1","1") = "5"
    & skf21("5","6","3","2","2","4","2","1") = "5"
    & skf21("5","6","3","2","2","4","3","1") = "5"
    & skf21("5","6","3","2","2","4","4","1") = "5"
    & skf21("5","6","3","2","2","4","5","1") = "5"
    & skf21("5","6","3","2","2","4","6","1") = "5"
    & skf21("5","6","3","2","2","4","7","1") = "6"
    & skf21("5","6","3","2","2","5","1","1") = "5"
    & skf21("5","6","3","2","2","5","2","1") = "5"
    & skf21("5","6","3","2","2","5","3","1") = "5"
    & skf21("5","6","3","2","2","5","4","1") = "5"
    & skf21("5","6","3","2","2","5","5","1") = "5"
    & skf21("5","6","3","2","2","5","6","1") = "5"
    & skf21("5","6","3","2","2","5","7","1") = "6"
    & skf21("5","6","3","2","2","6","1","1") = "5"
    & skf21("5","6","3","2","2","6","2","1") = "5"
    & skf21("5","6","3","2","2","6","3","1") = "5"
    & skf21("5","6","3","2","2","6","4","1") = "5"
    & skf21("5","6","3","2","2","6","5","1") = "5"
    & skf21("5","6","3","2","2","6","6","1") = "5"
    & skf21("5","6","3","2","2","6","7","1") = "6"
    & skf21("5","6","3","2","2","7","1","1") = "6"
    & skf21("5","6","3","2","2","7","2","1") = "6"
    & skf21("5","6","3","2","2","7","3","1") = "6"
    & skf21("5","6","3","2","2","7","4","1") = "6"
    & skf21("5","6","3","2","2","7","5","1") = "6"
    & skf21("5","6","3","2","2","7","6","1") = "6"
    & skf21("5","6","3","2","2","7","7","1") = "6"
    & skf21("5","6","3","2","3","1","1","1") = "5"
    & skf21("5","6","3","2","3","1","2","1") = "5"
    & skf21("5","6","3","2","3","1","3","1") = "5"
    & skf21("5","6","3","2","3","1","4","1") = "5"
    & skf21("5","6","3","2","3","1","5","1") = "5"
    & skf21("5","6","3","2","3","1","6","1") = "5"
    & skf21("5","6","3","2","3","1","7","1") = "6"
    & skf21("5","6","3","2","3","2","1","1") = "5"
    & skf21("5","6","3","2","3","2","2","1") = "5"
    & skf21("5","6","3","2","3","2","3","1") = "5"
    & skf21("5","6","3","2","3","2","4","1") = "5"
    & skf21("5","6","3","2","3","2","5","1") = "5"
    & skf21("5","6","3","2","3","2","6","1") = "5"
    & skf21("5","6","3","2","3","2","7","1") = "6"
    & skf21("5","6","3","2","3","3","1","1") = "5"
    & skf21("5","6","3","2","3","3","2","1") = "5"
    & skf21("5","6","3","2","3","3","3","1") = "5"
    & skf21("5","6","3","2","3","3","4","1") = "5"
    & skf21("5","6","3","2","3","3","5","1") = "5"
    & skf21("5","6","3","2","3","3","6","1") = "5"
    & skf21("5","6","3","2","3","3","7","1") = "6"
    & skf21("5","6","3","2","3","4","1","1") = "5"
    & skf21("5","6","3","2","3","4","2","1") = "5"
    & skf21("5","6","3","2","3","4","3","1") = "5"
    & skf21("5","6","3","2","3","4","4","1") = "5"
    & skf21("5","6","3","2","3","4","5","1") = "5"
    & skf21("5","6","3","2","3","4","6","1") = "5"
    & skf21("5","6","3","2","3","4","7","1") = "6"
    & skf21("5","6","3","2","3","5","1","1") = "5"
    & skf21("5","6","3","2","3","5","2","1") = "5"
    & skf21("5","6","3","2","3","5","3","1") = "5"
    & skf21("5","6","3","2","3","5","4","1") = "5"
    & skf21("5","6","3","2","3","5","5","1") = "5"
    & skf21("5","6","3","2","3","5","6","1") = "5"
    & skf21("5","6","3","2","3","5","7","1") = "6"
    & skf21("5","6","3","2","3","6","1","1") = "5"
    & skf21("5","6","3","2","3","6","2","1") = "5"
    & skf21("5","6","3","2","3","6","3","1") = "5"
    & skf21("5","6","3","2","3","6","4","1") = "5"
    & skf21("5","6","3","2","3","6","5","1") = "5"
    & skf21("5","6","3","2","3","6","6","1") = "5"
    & skf21("5","6","3","2","3","6","7","1") = "6"
    & skf21("5","6","3","2","3","7","1","1") = "6"
    & skf21("5","6","3","2","3","7","2","1") = "6"
    & skf21("5","6","3","2","3","7","3","1") = "6"
    & skf21("5","6","3","2","3","7","4","1") = "6"
    & skf21("5","6","3","2","3","7","5","1") = "6"
    & skf21("5","6","3","2","3","7","6","1") = "6"
    & skf21("5","6","3","2","3","7","7","1") = "6"
    & skf21("5","6","3","2","4","1","1","1") = "5"
    & skf21("5","6","3","2","4","1","2","1") = "5"
    & skf21("5","6","3","2","4","1","3","1") = "5"
    & skf21("5","6","3","2","4","1","4","1") = "5"
    & skf21("5","6","3","2","4","1","5","1") = "5"
    & skf21("5","6","3","2","4","1","6","1") = "5"
    & skf21("5","6","3","2","4","1","7","1") = "6"
    & skf21("5","6","3","2","4","2","1","1") = "5"
    & skf21("5","6","3","2","4","2","2","1") = "5"
    & skf21("5","6","3","2","4","2","3","1") = "5"
    & skf21("5","6","3","2","4","2","4","1") = "5"
    & skf21("5","6","3","2","4","2","5","1") = "5"
    & skf21("5","6","3","2","4","2","6","1") = "5"
    & skf21("5","6","3","2","4","2","7","1") = "6"
    & skf21("5","6","3","2","4","3","1","1") = "5"
    & skf21("5","6","3","2","4","3","2","1") = "5"
    & skf21("5","6","3","2","4","3","3","1") = "5"
    & skf21("5","6","3","2","4","3","4","1") = "5"
    & skf21("5","6","3","2","4","3","5","1") = "5"
    & skf21("5","6","3","2","4","3","6","1") = "5"
    & skf21("5","6","3","2","4","3","7","1") = "6"
    & skf21("5","6","3","2","4","4","1","1") = "5"
    & skf21("5","6","3","2","4","4","2","1") = "5"
    & skf21("5","6","3","2","4","4","3","1") = "5"
    & skf21("5","6","3","2","4","4","4","1") = "5"
    & skf21("5","6","3","2","4","4","5","1") = "5"
    & skf21("5","6","3","2","4","4","6","1") = "5"
    & skf21("5","6","3","2","4","4","7","1") = "6"
    & skf21("5","6","3","2","4","5","1","1") = "5"
    & skf21("5","6","3","2","4","5","2","1") = "5"
    & skf21("5","6","3","2","4","5","3","1") = "5"
    & skf21("5","6","3","2","4","5","4","1") = "5"
    & skf21("5","6","3","2","4","5","5","1") = "5"
    & skf21("5","6","3","2","4","5","6","1") = "5"
    & skf21("5","6","3","2","4","5","7","1") = "6"
    & skf21("5","6","3","2","4","6","1","1") = "5"
    & skf21("5","6","3","2","4","6","2","1") = "5"
    & skf21("5","6","3","2","4","6","3","1") = "5"
    & skf21("5","6","3","2","4","6","4","1") = "5"
    & skf21("5","6","3","2","4","6","5","1") = "5"
    & skf21("5","6","3","2","4","6","6","1") = "5"
    & skf21("5","6","3","2","4","6","7","1") = "6"
    & skf21("5","6","3","2","4","7","1","1") = "6"
    & skf21("5","6","3","2","4","7","2","1") = "6"
    & skf21("5","6","3","2","4","7","3","1") = "6"
    & skf21("5","6","3","2","4","7","4","1") = "6"
    & skf21("5","6","3","2","4","7","5","1") = "6"
    & skf21("5","6","3","2","4","7","6","1") = "6"
    & skf21("5","6","3","2","4","7","7","1") = "6"
    & skf21("5","6","3","2","5","1","1","1") = "5"
    & skf21("5","6","3","2","5","1","2","1") = "5"
    & skf21("5","6","3","2","5","1","3","1") = "5"
    & skf21("5","6","3","2","5","1","4","1") = "5"
    & skf21("5","6","3","2","5","1","5","1") = "5"
    & skf21("5","6","3","2","5","1","6","1") = "5"
    & skf21("5","6","3","2","5","1","7","1") = "6"
    & skf21("5","6","3","2","5","2","1","1") = "5"
    & skf21("5","6","3","2","5","2","2","1") = "5"
    & skf21("5","6","3","2","5","2","3","1") = "5"
    & skf21("5","6","3","2","5","2","4","1") = "5"
    & skf21("5","6","3","2","5","2","5","1") = "5"
    & skf21("5","6","3","2","5","2","6","1") = "5"
    & skf21("5","6","3","2","5","2","7","1") = "6"
    & skf21("5","6","3","2","5","3","1","1") = "5"
    & skf21("5","6","3","2","5","3","2","1") = "5"
    & skf21("5","6","3","2","5","3","3","1") = "5"
    & skf21("5","6","3","2","5","3","4","1") = "5"
    & skf21("5","6","3","2","5","3","5","1") = "5"
    & skf21("5","6","3","2","5","3","6","1") = "5"
    & skf21("5","6","3","2","5","3","7","1") = "6"
    & skf21("5","6","3","2","5","4","1","1") = "5"
    & skf21("5","6","3","2","5","4","2","1") = "5"
    & skf21("5","6","3","2","5","4","3","1") = "5"
    & skf21("5","6","3","2","5","4","4","1") = "5"
    & skf21("5","6","3","2","5","4","5","1") = "5"
    & skf21("5","6","3","2","5","4","6","1") = "5"
    & skf21("5","6","3","2","5","4","7","1") = "6"
    & skf21("5","6","3","2","5","5","1","1") = "5"
    & skf21("5","6","3","2","5","5","2","1") = "5"
    & skf21("5","6","3","2","5","5","3","1") = "5"
    & skf21("5","6","3","2","5","5","4","1") = "5"
    & skf21("5","6","3","2","5","5","5","1") = "5"
    & skf21("5","6","3","2","5","5","6","1") = "5"
    & skf21("5","6","3","2","5","5","7","1") = "6"
    & skf21("5","6","3","2","5","6","1","1") = "5"
    & skf21("5","6","3","2","5","6","2","1") = "5"
    & skf21("5","6","3","2","5","6","3","1") = "5"
    & skf21("5","6","3","2","5","6","4","1") = "5"
    & skf21("5","6","3","2","5","6","5","1") = "5"
    & skf21("5","6","3","2","5","6","6","1") = "5"
    & skf21("5","6","3","2","5","6","7","1") = "6"
    & skf21("5","6","3","2","5","7","1","1") = "6"
    & skf21("5","6","3","2","5","7","2","1") = "6"
    & skf21("5","6","3","2","5","7","3","1") = "6"
    & skf21("5","6","3","2","5","7","4","1") = "6"
    & skf21("5","6","3","2","5","7","5","1") = "6"
    & skf21("5","6","3","2","5","7","6","1") = "6"
    & skf21("5","6","3","2","5","7","7","1") = "6"
    & skf21("5","6","3","2","6","1","1","1") = "5"
    & skf21("5","6","3","2","6","1","2","1") = "5"
    & skf21("5","6","3","2","6","1","3","1") = "5"
    & skf21("5","6","3","2","6","1","4","1") = "5"
    & skf21("5","6","3","2","6","1","5","1") = "5"
    & skf21("5","6","3","2","6","1","6","1") = "5"
    & skf21("5","6","3","2","6","1","7","1") = "6"
    & skf21("5","6","3","2","6","2","1","1") = "5"
    & skf21("5","6","3","2","6","2","2","1") = "5"
    & skf21("5","6","3","2","6","2","3","1") = "5"
    & skf21("5","6","3","2","6","2","4","1") = "5"
    & skf21("5","6","3","2","6","2","5","1") = "5"
    & skf21("5","6","3","2","6","2","6","1") = "5"
    & skf21("5","6","3","2","6","2","7","1") = "6"
    & skf21("5","6","3","2","6","3","1","1") = "5"
    & skf21("5","6","3","2","6","3","2","1") = "5"
    & skf21("5","6","3","2","6","3","3","1") = "5"
    & skf21("5","6","3","2","6","3","4","1") = "5"
    & skf21("5","6","3","2","6","3","5","1") = "5"
    & skf21("5","6","3","2","6","3","6","1") = "5"
    & skf21("5","6","3","2","6","3","7","1") = "6"
    & skf21("5","6","3","2","6","4","1","1") = "5"
    & skf21("5","6","3","2","6","4","2","1") = "5"
    & skf21("5","6","3","2","6","4","3","1") = "5"
    & skf21("5","6","3","2","6","4","4","1") = "5"
    & skf21("5","6","3","2","6","4","5","1") = "5"
    & skf21("5","6","3","2","6","4","6","1") = "5"
    & skf21("5","6","3","2","6","4","7","1") = "6"
    & skf21("5","6","3","2","6","5","1","1") = "5"
    & skf21("5","6","3","2","6","5","2","1") = "5"
    & skf21("5","6","3","2","6","5","3","1") = "5"
    & skf21("5","6","3","2","6","5","4","1") = "5"
    & skf21("5","6","3","2","6","5","5","1") = "5"
    & skf21("5","6","3","2","6","5","6","1") = "5"
    & skf21("5","6","3","2","6","5","7","1") = "6"
    & skf21("5","6","3","2","6","6","1","1") = "5"
    & skf21("5","6","3","2","6","6","2","1") = "5"
    & skf21("5","6","3","2","6","6","3","1") = "5"
    & skf21("5","6","3","2","6","6","4","1") = "5"
    & skf21("5","6","3","2","6","6","5","1") = "5"
    & skf21("5","6","3","2","6","6","6","1") = "5"
    & skf21("5","6","3","2","6","6","7","1") = "6"
    & skf21("5","6","3","2","6","7","1","1") = "6"
    & skf21("5","6","3","2","6","7","2","1") = "6"
    & skf21("5","6","3","2","6","7","3","1") = "6"
    & skf21("5","6","3","2","6","7","4","1") = "6"
    & skf21("5","6","3","2","6","7","5","1") = "6"
    & skf21("5","6","3","2","6","7","6","1") = "6"
    & skf21("5","6","3","2","6","7","7","1") = "6"
    & skf21("5","6","3","2","7","1","1","1") = "6"
    & skf21("5","6","3","2","7","1","2","1") = "6"
    & skf21("5","6","3","2","7","1","3","1") = "6"
    & skf21("5","6","3","2","7","1","4","1") = "6"
    & skf21("5","6","3","2","7","1","5","1") = "6"
    & skf21("5","6","3","2","7","1","6","1") = "6"
    & skf21("5","6","3","2","7","1","7","1") = "6"
    & skf21("5","6","3","2","7","2","1","1") = "6"
    & skf21("5","6","3","2","7","2","2","1") = "6"
    & skf21("5","6","3","2","7","2","3","1") = "6"
    & skf21("5","6","3","2","7","2","4","1") = "6"
    & skf21("5","6","3","2","7","2","5","1") = "6"
    & skf21("5","6","3","2","7","2","6","1") = "6"
    & skf21("5","6","3","2","7","2","7","1") = "6"
    & skf21("5","6","3","2","7","3","1","1") = "6"
    & skf21("5","6","3","2","7","3","2","1") = "6"
    & skf21("5","6","3","2","7","3","3","1") = "6"
    & skf21("5","6","3","2","7","3","4","1") = "6"
    & skf21("5","6","3","2","7","3","5","1") = "6"
    & skf21("5","6","3","2","7","3","6","1") = "6"
    & skf21("5","6","3","2","7","3","7","1") = "6"
    & skf21("5","6","3","2","7","4","1","1") = "6"
    & skf21("5","6","3","2","7","4","2","1") = "6"
    & skf21("5","6","3","2","7","4","3","1") = "6"
    & skf21("5","6","3","2","7","4","4","1") = "6"
    & skf21("5","6","3","2","7","4","5","1") = "6"
    & skf21("5","6","3","2","7","4","6","1") = "6"
    & skf21("5","6","3","2","7","4","7","1") = "6"
    & skf21("5","6","3","2","7","5","1","1") = "6"
    & skf21("5","6","3","2","7","5","2","1") = "6"
    & skf21("5","6","3","2","7","5","3","1") = "6"
    & skf21("5","6","3","2","7","5","4","1") = "6"
    & skf21("5","6","3","2","7","5","5","1") = "6"
    & skf21("5","6","3","2","7","5","6","1") = "6"
    & skf21("5","6","3","2","7","5","7","1") = "6"
    & skf21("5","6","3","2","7","6","1","1") = "6"
    & skf21("5","6","3","2","7","6","2","1") = "6"
    & skf21("5","6","3","2","7","6","3","1") = "6"
    & skf21("5","6","3","2","7","6","4","1") = "6"
    & skf21("5","6","3","2","7","6","5","1") = "6"
    & skf21("5","6","3","2","7","6","6","1") = "6"
    & skf21("5","6","3","2","7","6","7","1") = "6"
    & skf21("5","6","3","2","7","7","1","1") = "6"
    & skf21("5","6","3","2","7","7","2","1") = "6"
    & skf21("5","6","3","2","7","7","3","1") = "6"
    & skf21("5","6","3","2","7","7","4","1") = "6"
    & skf21("5","6","3","2","7","7","5","1") = "6"
    & skf21("5","6","3","2","7","7","6","1") = "6"
    & skf21("5","6","3","2","7","7","7","1") = "6"
    & skf21("5","6","3","3","1","1","1","1") = "5"
    & skf21("5","6","3","3","1","1","2","1") = "5"
    & skf21("5","6","3","3","1","1","3","1") = "5"
    & skf21("5","6","3","3","1","1","4","1") = "5"
    & skf21("5","6","3","3","1","1","5","1") = "5"
    & skf21("5","6","3","3","1","1","6","1") = "5"
    & skf21("5","6","3","3","1","1","7","1") = "6"
    & skf21("5","6","3","3","1","2","1","1") = "5"
    & skf21("5","6","3","3","1","2","2","1") = "5"
    & skf21("5","6","3","3","1","2","3","1") = "5"
    & skf21("5","6","3","3","1","2","4","1") = "5"
    & skf21("5","6","3","3","1","2","5","1") = "5"
    & skf21("5","6","3","3","1","2","6","1") = "5"
    & skf21("5","6","3","3","1","2","7","1") = "6"
    & skf21("5","6","3","3","1","3","1","1") = "5"
    & skf21("5","6","3","3","1","3","2","1") = "5"
    & skf21("5","6","3","3","1","3","3","1") = "5"
    & skf21("5","6","3","3","1","3","4","1") = "5"
    & skf21("5","6","3","3","1","3","5","1") = "5"
    & skf21("5","6","3","3","1","3","6","1") = "5"
    & skf21("5","6","3","3","1","3","7","1") = "6"
    & skf21("5","6","3","3","1","4","1","1") = "5"
    & skf21("5","6","3","3","1","4","2","1") = "5"
    & skf21("5","6","3","3","1","4","3","1") = "5"
    & skf21("5","6","3","3","1","4","4","1") = "5"
    & skf21("5","6","3","3","1","4","5","1") = "5"
    & skf21("5","6","3","3","1","4","6","1") = "5"
    & skf21("5","6","3","3","1","4","7","1") = "6"
    & skf21("5","6","3","3","1","5","1","1") = "5"
    & skf21("5","6","3","3","1","5","2","1") = "5"
    & skf21("5","6","3","3","1","5","3","1") = "5"
    & skf21("5","6","3","3","1","5","4","1") = "5"
    & skf21("5","6","3","3","1","5","5","1") = "5"
    & skf21("5","6","3","3","1","5","6","1") = "5"
    & skf21("5","6","3","3","1","5","7","1") = "6"
    & skf21("5","6","3","3","1","6","1","1") = "5"
    & skf21("5","6","3","3","1","6","2","1") = "5"
    & skf21("5","6","3","3","1","6","3","1") = "5"
    & skf21("5","6","3","3","1","6","4","1") = "5"
    & skf21("5","6","3","3","1","6","5","1") = "5"
    & skf21("5","6","3","3","1","6","6","1") = "5"
    & skf21("5","6","3","3","1","6","7","1") = "6"
    & skf21("5","6","3","3","1","7","1","1") = "6"
    & skf21("5","6","3","3","1","7","2","1") = "6"
    & skf21("5","6","3","3","1","7","3","1") = "6"
    & skf21("5","6","3","3","1","7","4","1") = "6"
    & skf21("5","6","3","3","1","7","5","1") = "6"
    & skf21("5","6","3","3","1","7","6","1") = "6"
    & skf21("5","6","3","3","1","7","7","1") = "6"
    & skf21("5","6","3","3","2","1","1","1") = "5"
    & skf21("5","6","3","3","2","1","2","1") = "5"
    & skf21("5","6","3","3","2","1","3","1") = "5"
    & skf21("5","6","3","3","2","1","4","1") = "5"
    & skf21("5","6","3","3","2","1","5","1") = "5"
    & skf21("5","6","3","3","2","1","6","1") = "5"
    & skf21("5","6","3","3","2","1","7","1") = "6"
    & skf21("5","6","3","3","2","2","1","1") = "5"
    & skf21("5","6","3","3","2","2","2","1") = "5"
    & skf21("5","6","3","3","2","2","3","1") = "5"
    & skf21("5","6","3","3","2","2","4","1") = "5"
    & skf21("5","6","3","3","2","2","5","1") = "5"
    & skf21("5","6","3","3","2","2","6","1") = "5"
    & skf21("5","6","3","3","2","2","7","1") = "6"
    & skf21("5","6","3","3","2","3","1","1") = "5"
    & skf21("5","6","3","3","2","3","2","1") = "5"
    & skf21("5","6","3","3","2","3","3","1") = "5"
    & skf21("5","6","3","3","2","3","4","1") = "5"
    & skf21("5","6","3","3","2","3","5","1") = "5"
    & skf21("5","6","3","3","2","3","6","1") = "5"
    & skf21("5","6","3","3","2","3","7","1") = "6"
    & skf21("5","6","3","3","2","4","1","1") = "5"
    & skf21("5","6","3","3","2","4","2","1") = "5"
    & skf21("5","6","3","3","2","4","3","1") = "5"
    & skf21("5","6","3","3","2","4","4","1") = "5"
    & skf21("5","6","3","3","2","4","5","1") = "5"
    & skf21("5","6","3","3","2","4","6","1") = "5"
    & skf21("5","6","3","3","2","4","7","1") = "6"
    & skf21("5","6","3","3","2","5","1","1") = "5"
    & skf21("5","6","3","3","2","5","2","1") = "5"
    & skf21("5","6","3","3","2","5","3","1") = "5"
    & skf21("5","6","3","3","2","5","4","1") = "5"
    & skf21("5","6","3","3","2","5","5","1") = "5"
    & skf21("5","6","3","3","2","5","6","1") = "5"
    & skf21("5","6","3","3","2","5","7","1") = "6"
    & skf21("5","6","3","3","2","6","1","1") = "5"
    & skf21("5","6","3","3","2","6","2","1") = "5"
    & skf21("5","6","3","3","2","6","3","1") = "5"
    & skf21("5","6","3","3","2","6","4","1") = "5"
    & skf21("5","6","3","3","2","6","5","1") = "5"
    & skf21("5","6","3","3","2","6","6","1") = "5"
    & skf21("5","6","3","3","2","6","7","1") = "6"
    & skf21("5","6","3","3","2","7","1","1") = "6"
    & skf21("5","6","3","3","2","7","2","1") = "6"
    & skf21("5","6","3","3","2","7","3","1") = "6"
    & skf21("5","6","3","3","2","7","4","1") = "6"
    & skf21("5","6","3","3","2","7","5","1") = "6"
    & skf21("5","6","3","3","2","7","6","1") = "6"
    & skf21("5","6","3","3","2","7","7","1") = "6"
    & skf21("5","6","3","3","3","1","1","1") = "5"
    & skf21("5","6","3","3","3","1","2","1") = "5"
    & skf21("5","6","3","3","3","1","3","1") = "5"
    & skf21("5","6","3","3","3","1","4","1") = "5"
    & skf21("5","6","3","3","3","1","5","1") = "5"
    & skf21("5","6","3","3","3","1","6","1") = "5"
    & skf21("5","6","3","3","3","1","7","1") = "6"
    & skf21("5","6","3","3","3","2","1","1") = "5"
    & skf21("5","6","3","3","3","2","2","1") = "5"
    & skf21("5","6","3","3","3","2","3","1") = "5"
    & skf21("5","6","3","3","3","2","4","1") = "5"
    & skf21("5","6","3","3","3","2","5","1") = "5"
    & skf21("5","6","3","3","3","2","6","1") = "5"
    & skf21("5","6","3","3","3","2","7","1") = "6"
    & skf21("5","6","3","3","3","3","1","1") = "5"
    & skf21("5","6","3","3","3","3","2","1") = "5"
    & skf21("5","6","3","3","3","3","3","1") = "5"
    & skf21("5","6","3","3","3","3","4","1") = "5"
    & skf21("5","6","3","3","3","3","5","1") = "5"
    & skf21("5","6","3","3","3","3","6","1") = "5"
    & skf21("5","6","3","3","3","3","7","1") = "6"
    & skf21("5","6","3","3","3","4","1","1") = "5"
    & skf21("5","6","3","3","3","4","2","1") = "5"
    & skf21("5","6","3","3","3","4","3","1") = "5"
    & skf21("5","6","3","3","3","4","4","1") = "5"
    & skf21("5","6","3","3","3","4","5","1") = "5"
    & skf21("5","6","3","3","3","4","6","1") = "5"
    & skf21("5","6","3","3","3","4","7","1") = "6"
    & skf21("5","6","3","3","3","5","1","1") = "5"
    & skf21("5","6","3","3","3","5","2","1") = "5"
    & skf21("5","6","3","3","3","5","3","1") = "5"
    & skf21("5","6","3","3","3","5","4","1") = "5"
    & skf21("5","6","3","3","3","5","5","1") = "5"
    & skf21("5","6","3","3","3","5","6","1") = "5"
    & skf21("5","6","3","3","3","5","7","1") = "6"
    & skf21("5","6","3","3","3","6","1","1") = "5"
    & skf21("5","6","3","3","3","6","2","1") = "5"
    & skf21("5","6","3","3","3","6","3","1") = "5"
    & skf21("5","6","3","3","3","6","4","1") = "5"
    & skf21("5","6","3","3","3","6","5","1") = "5"
    & skf21("5","6","3","3","3","6","6","1") = "5"
    & skf21("5","6","3","3","3","6","7","1") = "6"
    & skf21("5","6","3","3","3","7","1","1") = "6"
    & skf21("5","6","3","3","3","7","2","1") = "6"
    & skf21("5","6","3","3","3","7","3","1") = "6"
    & skf21("5","6","3","3","3","7","4","1") = "6"
    & skf21("5","6","3","3","3","7","5","1") = "6"
    & skf21("5","6","3","3","3","7","6","1") = "6"
    & skf21("5","6","3","3","3","7","7","1") = "6"
    & skf21("5","6","3","3","4","1","1","1") = "5"
    & skf21("5","6","3","3","4","1","2","1") = "5"
    & skf21("5","6","3","3","4","1","3","1") = "5"
    & skf21("5","6","3","3","4","1","4","1") = "5"
    & skf21("5","6","3","3","4","1","5","1") = "5"
    & skf21("5","6","3","3","4","1","6","1") = "5"
    & skf21("5","6","3","3","4","1","7","1") = "6"
    & skf21("5","6","3","3","4","2","1","1") = "5"
    & skf21("5","6","3","3","4","2","2","1") = "5"
    & skf21("5","6","3","3","4","2","3","1") = "5"
    & skf21("5","6","3","3","4","2","4","1") = "5"
    & skf21("5","6","3","3","4","2","5","1") = "5"
    & skf21("5","6","3","3","4","2","6","1") = "5"
    & skf21("5","6","3","3","4","2","7","1") = "6"
    & skf21("5","6","3","3","4","3","1","1") = "5"
    & skf21("5","6","3","3","4","3","2","1") = "5"
    & skf21("5","6","3","3","4","3","3","1") = "5"
    & skf21("5","6","3","3","4","3","4","1") = "5"
    & skf21("5","6","3","3","4","3","5","1") = "5"
    & skf21("5","6","3","3","4","3","6","1") = "5"
    & skf21("5","6","3","3","4","3","7","1") = "6"
    & skf21("5","6","3","3","4","4","1","1") = "5"
    & skf21("5","6","3","3","4","4","2","1") = "5"
    & skf21("5","6","3","3","4","4","3","1") = "5"
    & skf21("5","6","3","3","4","4","4","1") = "5"
    & skf21("5","6","3","3","4","4","5","1") = "5"
    & skf21("5","6","3","3","4","4","6","1") = "5"
    & skf21("5","6","3","3","4","4","7","1") = "6"
    & skf21("5","6","3","3","4","5","1","1") = "5"
    & skf21("5","6","3","3","4","5","2","1") = "5"
    & skf21("5","6","3","3","4","5","3","1") = "5"
    & skf21("5","6","3","3","4","5","4","1") = "5"
    & skf21("5","6","3","3","4","5","5","1") = "5"
    & skf21("5","6","3","3","4","5","6","1") = "5"
    & skf21("5","6","3","3","4","5","7","1") = "6"
    & skf21("5","6","3","3","4","6","1","1") = "5"
    & skf21("5","6","3","3","4","6","2","1") = "5"
    & skf21("5","6","3","3","4","6","3","1") = "5"
    & skf21("5","6","3","3","4","6","4","1") = "5"
    & skf21("5","6","3","3","4","6","5","1") = "5"
    & skf21("5","6","3","3","4","6","6","1") = "5"
    & skf21("5","6","3","3","4","6","7","1") = "6"
    & skf21("5","6","3","3","4","7","1","1") = "6"
    & skf21("5","6","3","3","4","7","2","1") = "6"
    & skf21("5","6","3","3","4","7","3","1") = "6"
    & skf21("5","6","3","3","4","7","4","1") = "6"
    & skf21("5","6","3","3","4","7","5","1") = "6"
    & skf21("5","6","3","3","4","7","6","1") = "6"
    & skf21("5","6","3","3","4","7","7","1") = "6"
    & skf21("5","6","3","3","5","1","1","1") = "5"
    & skf21("5","6","3","3","5","1","2","1") = "5"
    & skf21("5","6","3","3","5","1","3","1") = "5"
    & skf21("5","6","3","3","5","1","4","1") = "5"
    & skf21("5","6","3","3","5","1","5","1") = "5"
    & skf21("5","6","3","3","5","1","6","1") = "5"
    & skf21("5","6","3","3","5","1","7","1") = "6"
    & skf21("5","6","3","3","5","2","1","1") = "5"
    & skf21("5","6","3","3","5","2","2","1") = "5"
    & skf21("5","6","3","3","5","2","3","1") = "5"
    & skf21("5","6","3","3","5","2","4","1") = "5"
    & skf21("5","6","3","3","5","2","5","1") = "5"
    & skf21("5","6","3","3","5","2","6","1") = "5"
    & skf21("5","6","3","3","5","2","7","1") = "6"
    & skf21("5","6","3","3","5","3","1","1") = "5"
    & skf21("5","6","3","3","5","3","2","1") = "5"
    & skf21("5","6","3","3","5","3","3","1") = "5"
    & skf21("5","6","3","3","5","3","4","1") = "5"
    & skf21("5","6","3","3","5","3","5","1") = "5"
    & skf21("5","6","3","3","5","3","6","1") = "5"
    & skf21("5","6","3","3","5","3","7","1") = "6"
    & skf21("5","6","3","3","5","4","1","1") = "5"
    & skf21("5","6","3","3","5","4","2","1") = "5"
    & skf21("5","6","3","3","5","4","3","1") = "5"
    & skf21("5","6","3","3","5","4","4","1") = "5"
    & skf21("5","6","3","3","5","4","5","1") = "5"
    & skf21("5","6","3","3","5","4","6","1") = "5"
    & skf21("5","6","3","3","5","4","7","1") = "6"
    & skf21("5","6","3","3","5","5","1","1") = "5"
    & skf21("5","6","3","3","5","5","2","1") = "5"
    & skf21("5","6","3","3","5","5","3","1") = "5"
    & skf21("5","6","3","3","5","5","4","1") = "5"
    & skf21("5","6","3","3","5","5","5","1") = "5"
    & skf21("5","6","3","3","5","5","6","1") = "5"
    & skf21("5","6","3","3","5","5","7","1") = "6"
    & skf21("5","6","3","3","5","6","1","1") = "5"
    & skf21("5","6","3","3","5","6","2","1") = "5"
    & skf21("5","6","3","3","5","6","3","1") = "5"
    & skf21("5","6","3","3","5","6","4","1") = "5"
    & skf21("5","6","3","3","5","6","5","1") = "5"
    & skf21("5","6","3","3","5","6","6","1") = "5"
    & skf21("5","6","3","3","5","6","7","1") = "6"
    & skf21("5","6","3","3","5","7","1","1") = "6"
    & skf21("5","6","3","3","5","7","2","1") = "6"
    & skf21("5","6","3","3","5","7","3","1") = "6"
    & skf21("5","6","3","3","5","7","4","1") = "6"
    & skf21("5","6","3","3","5","7","5","1") = "6"
    & skf21("5","6","3","3","5","7","6","1") = "6"
    & skf21("5","6","3","3","5","7","7","1") = "6"
    & skf21("5","6","3","3","6","1","1","1") = "5"
    & skf21("5","6","3","3","6","1","2","1") = "5"
    & skf21("5","6","3","3","6","1","3","1") = "5"
    & skf21("5","6","3","3","6","1","4","1") = "5"
    & skf21("5","6","3","3","6","1","5","1") = "5"
    & skf21("5","6","3","3","6","1","6","1") = "5"
    & skf21("5","6","3","3","6","1","7","1") = "6"
    & skf21("5","6","3","3","6","2","1","1") = "5"
    & skf21("5","6","3","3","6","2","2","1") = "5"
    & skf21("5","6","3","3","6","2","3","1") = "5"
    & skf21("5","6","3","3","6","2","4","1") = "5"
    & skf21("5","6","3","3","6","2","5","1") = "5"
    & skf21("5","6","3","3","6","2","6","1") = "5"
    & skf21("5","6","3","3","6","2","7","1") = "6"
    & skf21("5","6","3","3","6","3","1","1") = "5"
    & skf21("5","6","3","3","6","3","2","1") = "5"
    & skf21("5","6","3","3","6","3","3","1") = "5"
    & skf21("5","6","3","3","6","3","4","1") = "5"
    & skf21("5","6","3","3","6","3","5","1") = "5"
    & skf21("5","6","3","3","6","3","6","1") = "5"
    & skf21("5","6","3","3","6","3","7","1") = "6"
    & skf21("5","6","3","3","6","4","1","1") = "5"
    & skf21("5","6","3","3","6","4","2","1") = "5"
    & skf21("5","6","3","3","6","4","3","1") = "5"
    & skf21("5","6","3","3","6","4","4","1") = "5"
    & skf21("5","6","3","3","6","4","5","1") = "5"
    & skf21("5","6","3","3","6","4","6","1") = "5"
    & skf21("5","6","3","3","6","4","7","1") = "6"
    & skf21("5","6","3","3","6","5","1","1") = "5"
    & skf21("5","6","3","3","6","5","2","1") = "5"
    & skf21("5","6","3","3","6","5","3","1") = "5"
    & skf21("5","6","3","3","6","5","4","1") = "5"
    & skf21("5","6","3","3","6","5","5","1") = "5"
    & skf21("5","6","3","3","6","5","6","1") = "5"
    & skf21("5","6","3","3","6","5","7","1") = "6"
    & skf21("5","6","3","3","6","6","1","1") = "5"
    & skf21("5","6","3","3","6","6","2","1") = "5"
    & skf21("5","6","3","3","6","6","3","1") = "5"
    & skf21("5","6","3","3","6","6","4","1") = "5"
    & skf21("5","6","3","3","6","6","5","1") = "5"
    & skf21("5","6","3","3","6","6","6","1") = "5"
    & skf21("5","6","3","3","6","6","7","1") = "6"
    & skf21("5","6","3","3","6","7","1","1") = "6"
    & skf21("5","6","3","3","6","7","2","1") = "6"
    & skf21("5","6","3","3","6","7","3","1") = "6"
    & skf21("5","6","3","3","6","7","4","1") = "6"
    & skf21("5","6","3","3","6","7","5","1") = "6"
    & skf21("5","6","3","3","6","7","6","1") = "6"
    & skf21("5","6","3","3","6","7","7","1") = "6"
    & skf21("5","6","3","3","7","1","1","1") = "6"
    & skf21("5","6","3","3","7","1","2","1") = "6"
    & skf21("5","6","3","3","7","1","3","1") = "6"
    & skf21("5","6","3","3","7","1","4","1") = "6"
    & skf21("5","6","3","3","7","1","5","1") = "6"
    & skf21("5","6","3","3","7","1","6","1") = "6"
    & skf21("5","6","3","3","7","1","7","1") = "6"
    & skf21("5","6","3","3","7","2","1","1") = "6"
    & skf21("5","6","3","3","7","2","2","1") = "6"
    & skf21("5","6","3","3","7","2","3","1") = "6"
    & skf21("5","6","3","3","7","2","4","1") = "6"
    & skf21("5","6","3","3","7","2","5","1") = "6"
    & skf21("5","6","3","3","7","2","6","1") = "6"
    & skf21("5","6","3","3","7","2","7","1") = "6"
    & skf21("5","6","3","3","7","3","1","1") = "6"
    & skf21("5","6","3","3","7","3","2","1") = "6"
    & skf21("5","6","3","3","7","3","3","1") = "6"
    & skf21("5","6","3","3","7","3","4","1") = "6"
    & skf21("5","6","3","3","7","3","5","1") = "6"
    & skf21("5","6","3","3","7","3","6","1") = "6"
    & skf21("5","6","3","3","7","3","7","1") = "6"
    & skf21("5","6","3","3","7","4","1","1") = "6"
    & skf21("5","6","3","3","7","4","2","1") = "6"
    & skf21("5","6","3","3","7","4","3","1") = "6"
    & skf21("5","6","3","3","7","4","4","1") = "6"
    & skf21("5","6","3","3","7","4","5","1") = "6"
    & skf21("5","6","3","3","7","4","6","1") = "6"
    & skf21("5","6","3","3","7","4","7","1") = "6"
    & skf21("5","6","3","3","7","5","1","1") = "6"
    & skf21("5","6","3","3","7","5","2","1") = "6"
    & skf21("5","6","3","3","7","5","3","1") = "6"
    & skf21("5","6","3","3","7","5","4","1") = "6"
    & skf21("5","6","3","3","7","5","5","1") = "6"
    & skf21("5","6","3","3","7","5","6","1") = "6"
    & skf21("5","6","3","3","7","5","7","1") = "6"
    & skf21("5","6","3","3","7","6","1","1") = "6"
    & skf21("5","6","3","3","7","6","2","1") = "6"
    & skf21("5","6","3","3","7","6","3","1") = "6"
    & skf21("5","6","3","3","7","6","4","1") = "6"
    & skf21("5","6","3","3","7","6","5","1") = "6"
    & skf21("5","6","3","3","7","6","6","1") = "6"
    & skf21("5","6","3","3","7","6","7","1") = "6"
    & skf21("5","6","3","3","7","7","1","1") = "6"
    & skf21("5","6","3","3","7","7","2","1") = "6"
    & skf21("5","6","3","3","7","7","3","1") = "6"
    & skf21("5","6","3","3","7","7","4","1") = "6"
    & skf21("5","6","3","3","7","7","5","1") = "6"
    & skf21("5","6","3","3","7","7","6","1") = "6"
    & skf21("5","6","3","3","7","7","7","1") = "6"
    & skf21("5","6","3","4","1","1","1","1") = "5"
    & skf21("5","6","3","4","1","1","2","1") = "5"
    & skf21("5","6","3","4","1","1","3","1") = "5"
    & skf21("5","6","3","4","1","1","4","1") = "5"
    & skf21("5","6","3","4","1","1","5","1") = "5"
    & skf21("5","6","3","4","1","1","6","1") = "5"
    & skf21("5","6","3","4","1","1","7","1") = "6"
    & skf21("5","6","3","4","1","2","1","1") = "5"
    & skf21("5","6","3","4","1","2","2","1") = "5"
    & skf21("5","6","3","4","1","2","3","1") = "5"
    & skf21("5","6","3","4","1","2","4","1") = "5"
    & skf21("5","6","3","4","1","2","5","1") = "5"
    & skf21("5","6","3","4","1","2","6","1") = "5"
    & skf21("5","6","3","4","1","2","7","1") = "6"
    & skf21("5","6","3","4","1","3","1","1") = "5"
    & skf21("5","6","3","4","1","3","2","1") = "5"
    & skf21("5","6","3","4","1","3","3","1") = "5"
    & skf21("5","6","3","4","1","3","4","1") = "5"
    & skf21("5","6","3","4","1","3","5","1") = "5"
    & skf21("5","6","3","4","1","3","6","1") = "5"
    & skf21("5","6","3","4","1","3","7","1") = "6"
    & skf21("5","6","3","4","1","4","1","1") = "5"
    & skf21("5","6","3","4","1","4","2","1") = "5"
    & skf21("5","6","3","4","1","4","3","1") = "5"
    & skf21("5","6","3","4","1","4","4","1") = "5"
    & skf21("5","6","3","4","1","4","5","1") = "5"
    & skf21("5","6","3","4","1","4","6","1") = "5"
    & skf21("5","6","3","4","1","4","7","1") = "6"
    & skf21("5","6","3","4","1","5","1","1") = "5"
    & skf21("5","6","3","4","1","5","2","1") = "5"
    & skf21("5","6","3","4","1","5","3","1") = "5"
    & skf21("5","6","3","4","1","5","4","1") = "5"
    & skf21("5","6","3","4","1","5","5","1") = "5"
    & skf21("5","6","3","4","1","5","6","1") = "5"
    & skf21("5","6","3","4","1","5","7","1") = "6"
    & skf21("5","6","3","4","1","6","1","1") = "5"
    & skf21("5","6","3","4","1","6","2","1") = "5"
    & skf21("5","6","3","4","1","6","3","1") = "5"
    & skf21("5","6","3","4","1","6","4","1") = "5"
    & skf21("5","6","3","4","1","6","5","1") = "5"
    & skf21("5","6","3","4","1","6","6","1") = "5"
    & skf21("5","6","3","4","1","6","7","1") = "6"
    & skf21("5","6","3","4","1","7","1","1") = "6"
    & skf21("5","6","3","4","1","7","2","1") = "6"
    & skf21("5","6","3","4","1","7","3","1") = "6"
    & skf21("5","6","3","4","1","7","4","1") = "6"
    & skf21("5","6","3","4","1","7","5","1") = "6"
    & skf21("5","6","3","4","1","7","6","1") = "6"
    & skf21("5","6","3","4","1","7","7","1") = "6"
    & skf21("5","6","3","4","2","1","1","1") = "5"
    & skf21("5","6","3","4","2","1","2","1") = "5"
    & skf21("5","6","3","4","2","1","3","1") = "5"
    & skf21("5","6","3","4","2","1","4","1") = "5"
    & skf21("5","6","3","4","2","1","5","1") = "5"
    & skf21("5","6","3","4","2","1","6","1") = "5"
    & skf21("5","6","3","4","2","1","7","1") = "6"
    & skf21("5","6","3","4","2","2","1","1") = "5"
    & skf21("5","6","3","4","2","2","2","1") = "5"
    & skf21("5","6","3","4","2","2","3","1") = "5"
    & skf21("5","6","3","4","2","2","4","1") = "5"
    & skf21("5","6","3","4","2","2","5","1") = "5"
    & skf21("5","6","3","4","2","2","6","1") = "5"
    & skf21("5","6","3","4","2","2","7","1") = "6"
    & skf21("5","6","3","4","2","3","1","1") = "5"
    & skf21("5","6","3","4","2","3","2","1") = "5"
    & skf21("5","6","3","4","2","3","3","1") = "5"
    & skf21("5","6","3","4","2","3","4","1") = "5"
    & skf21("5","6","3","4","2","3","5","1") = "5"
    & skf21("5","6","3","4","2","3","6","1") = "5"
    & skf21("5","6","3","4","2","3","7","1") = "6"
    & skf21("5","6","3","4","2","4","1","1") = "5"
    & skf21("5","6","3","4","2","4","2","1") = "5"
    & skf21("5","6","3","4","2","4","3","1") = "5"
    & skf21("5","6","3","4","2","4","4","1") = "5"
    & skf21("5","6","3","4","2","4","5","1") = "5"
    & skf21("5","6","3","4","2","4","6","1") = "5"
    & skf21("5","6","3","4","2","4","7","1") = "6"
    & skf21("5","6","3","4","2","5","1","1") = "5"
    & skf21("5","6","3","4","2","5","2","1") = "5"
    & skf21("5","6","3","4","2","5","3","1") = "5"
    & skf21("5","6","3","4","2","5","4","1") = "5"
    & skf21("5","6","3","4","2","5","5","1") = "5"
    & skf21("5","6","3","4","2","5","6","1") = "5"
    & skf21("5","6","3","4","2","5","7","1") = "6"
    & skf21("5","6","3","4","2","6","1","1") = "5"
    & skf21("5","6","3","4","2","6","2","1") = "5"
    & skf21("5","6","3","4","2","6","3","1") = "5"
    & skf21("5","6","3","4","2","6","4","1") = "5"
    & skf21("5","6","3","4","2","6","5","1") = "5"
    & skf21("5","6","3","4","2","6","6","1") = "5"
    & skf21("5","6","3","4","2","6","7","1") = "6"
    & skf21("5","6","3","4","2","7","1","1") = "6"
    & skf21("5","6","3","4","2","7","2","1") = "6"
    & skf21("5","6","3","4","2","7","3","1") = "6"
    & skf21("5","6","3","4","2","7","4","1") = "6"
    & skf21("5","6","3","4","2","7","5","1") = "6"
    & skf21("5","6","3","4","2","7","6","1") = "6"
    & skf21("5","6","3","4","2","7","7","1") = "6"
    & skf21("5","6","3","4","3","1","1","1") = "5"
    & skf21("5","6","3","4","3","1","2","1") = "5"
    & skf21("5","6","3","4","3","1","3","1") = "5"
    & skf21("5","6","3","4","3","1","4","1") = "5"
    & skf21("5","6","3","4","3","1","5","1") = "5"
    & skf21("5","6","3","4","3","1","6","1") = "5"
    & skf21("5","6","3","4","3","1","7","1") = "6"
    & skf21("5","6","3","4","3","2","1","1") = "5"
    & skf21("5","6","3","4","3","2","2","1") = "5"
    & skf21("5","6","3","4","3","2","3","1") = "5"
    & skf21("5","6","3","4","3","2","4","1") = "5"
    & skf21("5","6","3","4","3","2","5","1") = "5"
    & skf21("5","6","3","4","3","2","6","1") = "5"
    & skf21("5","6","3","4","3","2","7","1") = "6"
    & skf21("5","6","3","4","3","3","1","1") = "5"
    & skf21("5","6","3","4","3","3","2","1") = "5"
    & skf21("5","6","3","4","3","3","3","1") = "5"
    & skf21("5","6","3","4","3","3","4","1") = "5"
    & skf21("5","6","3","4","3","3","5","1") = "5"
    & skf21("5","6","3","4","3","3","6","1") = "5"
    & skf21("5","6","3","4","3","3","7","1") = "6"
    & skf21("5","6","3","4","3","4","1","1") = "5"
    & skf21("5","6","3","4","3","4","2","1") = "5"
    & skf21("5","6","3","4","3","4","3","1") = "5"
    & skf21("5","6","3","4","3","4","4","1") = "5"
    & skf21("5","6","3","4","3","4","5","1") = "5"
    & skf21("5","6","3","4","3","4","6","1") = "5"
    & skf21("5","6","3","4","3","4","7","1") = "6"
    & skf21("5","6","3","4","3","5","1","1") = "5"
    & skf21("5","6","3","4","3","5","2","1") = "5"
    & skf21("5","6","3","4","3","5","3","1") = "5"
    & skf21("5","6","3","4","3","5","4","1") = "5"
    & skf21("5","6","3","4","3","5","5","1") = "5"
    & skf21("5","6","3","4","3","5","6","1") = "5"
    & skf21("5","6","3","4","3","5","7","1") = "6"
    & skf21("5","6","3","4","3","6","1","1") = "5"
    & skf21("5","6","3","4","3","6","2","1") = "5"
    & skf21("5","6","3","4","3","6","3","1") = "5"
    & skf21("5","6","3","4","3","6","4","1") = "5"
    & skf21("5","6","3","4","3","6","5","1") = "5"
    & skf21("5","6","3","4","3","6","6","1") = "5"
    & skf21("5","6","3","4","3","6","7","1") = "6"
    & skf21("5","6","3","4","3","7","1","1") = "6"
    & skf21("5","6","3","4","3","7","2","1") = "6"
    & skf21("5","6","3","4","3","7","3","1") = "6"
    & skf21("5","6","3","4","3","7","4","1") = "6"
    & skf21("5","6","3","4","3","7","5","1") = "6"
    & skf21("5","6","3","4","3","7","6","1") = "6"
    & skf21("5","6","3","4","3","7","7","1") = "6"
    & skf21("5","6","3","4","4","1","1","1") = "5"
    & skf21("5","6","3","4","4","1","2","1") = "5"
    & skf21("5","6","3","4","4","1","3","1") = "5"
    & skf21("5","6","3","4","4","1","4","1") = "5"
    & skf21("5","6","3","4","4","1","5","1") = "5"
    & skf21("5","6","3","4","4","1","6","1") = "5"
    & skf21("5","6","3","4","4","1","7","1") = "6"
    & skf21("5","6","3","4","4","2","1","1") = "5"
    & skf21("5","6","3","4","4","2","2","1") = "5"
    & skf21("5","6","3","4","4","2","3","1") = "5"
    & skf21("5","6","3","4","4","2","4","1") = "5"
    & skf21("5","6","3","4","4","2","5","1") = "5"
    & skf21("5","6","3","4","4","2","6","1") = "5"
    & skf21("5","6","3","4","4","2","7","1") = "6"
    & skf21("5","6","3","4","4","3","1","1") = "5"
    & skf21("5","6","3","4","4","3","2","1") = "5"
    & skf21("5","6","3","4","4","3","3","1") = "5"
    & skf21("5","6","3","4","4","3","4","1") = "5"
    & skf21("5","6","3","4","4","3","5","1") = "5"
    & skf21("5","6","3","4","4","3","6","1") = "5"
    & skf21("5","6","3","4","4","3","7","1") = "6"
    & skf21("5","6","3","4","4","4","1","1") = "5"
    & skf21("5","6","3","4","4","4","2","1") = "5"
    & skf21("5","6","3","4","4","4","3","1") = "5"
    & skf21("5","6","3","4","4","4","4","1") = "5"
    & skf21("5","6","3","4","4","4","5","1") = "5"
    & skf21("5","6","3","4","4","4","6","1") = "5"
    & skf21("5","6","3","4","4","4","7","1") = "6"
    & skf21("5","6","3","4","4","5","1","1") = "5"
    & skf21("5","6","3","4","4","5","2","1") = "5"
    & skf21("5","6","3","4","4","5","3","1") = "5"
    & skf21("5","6","3","4","4","5","4","1") = "5"
    & skf21("5","6","3","4","4","5","5","1") = "5"
    & skf21("5","6","3","4","4","5","6","1") = "5"
    & skf21("5","6","3","4","4","5","7","1") = "6"
    & skf21("5","6","3","4","4","6","1","1") = "5"
    & skf21("5","6","3","4","4","6","2","1") = "5"
    & skf21("5","6","3","4","4","6","3","1") = "5"
    & skf21("5","6","3","4","4","6","4","1") = "5"
    & skf21("5","6","3","4","4","6","5","1") = "5"
    & skf21("5","6","3","4","4","6","6","1") = "5"
    & skf21("5","6","3","4","4","6","7","1") = "6"
    & skf21("5","6","3","4","4","7","1","1") = "6"
    & skf21("5","6","3","4","4","7","2","1") = "6"
    & skf21("5","6","3","4","4","7","3","1") = "6"
    & skf21("5","6","3","4","4","7","4","1") = "6"
    & skf21("5","6","3","4","4","7","5","1") = "6"
    & skf21("5","6","3","4","4","7","6","1") = "6"
    & skf21("5","6","3","4","4","7","7","1") = "6"
    & skf21("5","6","3","4","5","1","1","1") = "5"
    & skf21("5","6","3","4","5","1","2","1") = "5"
    & skf21("5","6","3","4","5","1","3","1") = "5"
    & skf21("5","6","3","4","5","1","4","1") = "5"
    & skf21("5","6","3","4","5","1","5","1") = "5"
    & skf21("5","6","3","4","5","1","6","1") = "5"
    & skf21("5","6","3","4","5","1","7","1") = "6"
    & skf21("5","6","3","4","5","2","1","1") = "5"
    & skf21("5","6","3","4","5","2","2","1") = "5"
    & skf21("5","6","3","4","5","2","3","1") = "5"
    & skf21("5","6","3","4","5","2","4","1") = "5"
    & skf21("5","6","3","4","5","2","5","1") = "5"
    & skf21("5","6","3","4","5","2","6","1") = "5"
    & skf21("5","6","3","4","5","2","7","1") = "6"
    & skf21("5","6","3","4","5","3","1","1") = "5"
    & skf21("5","6","3","4","5","3","2","1") = "5"
    & skf21("5","6","3","4","5","3","3","1") = "5"
    & skf21("5","6","3","4","5","3","4","1") = "5"
    & skf21("5","6","3","4","5","3","5","1") = "5"
    & skf21("5","6","3","4","5","3","6","1") = "5"
    & skf21("5","6","3","4","5","3","7","1") = "6"
    & skf21("5","6","3","4","5","4","1","1") = "5"
    & skf21("5","6","3","4","5","4","2","1") = "5"
    & skf21("5","6","3","4","5","4","3","1") = "5"
    & skf21("5","6","3","4","5","4","4","1") = "5"
    & skf21("5","6","3","4","5","4","5","1") = "5"
    & skf21("5","6","3","4","5","4","6","1") = "5"
    & skf21("5","6","3","4","5","4","7","1") = "6"
    & skf21("5","6","3","4","5","5","1","1") = "5"
    & skf21("5","6","3","4","5","5","2","1") = "5"
    & skf21("5","6","3","4","5","5","3","1") = "5"
    & skf21("5","6","3","4","5","5","4","1") = "5"
    & skf21("5","6","3","4","5","5","5","1") = "5"
    & skf21("5","6","3","4","5","5","6","1") = "5"
    & skf21("5","6","3","4","5","5","7","1") = "6"
    & skf21("5","6","3","4","5","6","1","1") = "5"
    & skf21("5","6","3","4","5","6","2","1") = "5"
    & skf21("5","6","3","4","5","6","3","1") = "5"
    & skf21("5","6","3","4","5","6","4","1") = "5"
    & skf21("5","6","3","4","5","6","5","1") = "5"
    & skf21("5","6","3","4","5","6","6","1") = "5"
    & skf21("5","6","3","4","5","6","7","1") = "6"
    & skf21("5","6","3","4","5","7","1","1") = "6"
    & skf21("5","6","3","4","5","7","2","1") = "6"
    & skf21("5","6","3","4","5","7","3","1") = "6"
    & skf21("5","6","3","4","5","7","4","1") = "6"
    & skf21("5","6","3","4","5","7","5","1") = "6"
    & skf21("5","6","3","4","5","7","6","1") = "6"
    & skf21("5","6","3","4","5","7","7","1") = "6"
    & skf21("5","6","3","4","6","1","1","1") = "5"
    & skf21("5","6","3","4","6","1","2","1") = "5"
    & skf21("5","6","3","4","6","1","3","1") = "5"
    & skf21("5","6","3","4","6","1","4","1") = "5"
    & skf21("5","6","3","4","6","1","5","1") = "5"
    & skf21("5","6","3","4","6","1","6","1") = "5"
    & skf21("5","6","3","4","6","1","7","1") = "6"
    & skf21("5","6","3","4","6","2","1","1") = "5"
    & skf21("5","6","3","4","6","2","2","1") = "5"
    & skf21("5","6","3","4","6","2","3","1") = "5"
    & skf21("5","6","3","4","6","2","4","1") = "5"
    & skf21("5","6","3","4","6","2","5","1") = "5"
    & skf21("5","6","3","4","6","2","6","1") = "5"
    & skf21("5","6","3","4","6","2","7","1") = "6"
    & skf21("5","6","3","4","6","3","1","1") = "5"
    & skf21("5","6","3","4","6","3","2","1") = "5"
    & skf21("5","6","3","4","6","3","3","1") = "5"
    & skf21("5","6","3","4","6","3","4","1") = "5"
    & skf21("5","6","3","4","6","3","5","1") = "5"
    & skf21("5","6","3","4","6","3","6","1") = "5"
    & skf21("5","6","3","4","6","3","7","1") = "6"
    & skf21("5","6","3","4","6","4","1","1") = "5"
    & skf21("5","6","3","4","6","4","2","1") = "5"
    & skf21("5","6","3","4","6","4","3","1") = "5"
    & skf21("5","6","3","4","6","4","4","1") = "5"
    & skf21("5","6","3","4","6","4","5","1") = "5"
    & skf21("5","6","3","4","6","4","6","1") = "5"
    & skf21("5","6","3","4","6","4","7","1") = "6"
    & skf21("5","6","3","4","6","5","1","1") = "5"
    & skf21("5","6","3","4","6","5","2","1") = "5"
    & skf21("5","6","3","4","6","5","3","1") = "5"
    & skf21("5","6","3","4","6","5","4","1") = "5"
    & skf21("5","6","3","4","6","5","5","1") = "5"
    & skf21("5","6","3","4","6","5","6","1") = "5"
    & skf21("5","6","3","4","6","5","7","1") = "6"
    & skf21("5","6","3","4","6","6","1","1") = "5"
    & skf21("5","6","3","4","6","6","2","1") = "5"
    & skf21("5","6","3","4","6","6","3","1") = "5"
    & skf21("5","6","3","4","6","6","4","1") = "5"
    & skf21("5","6","3","4","6","6","5","1") = "5"
    & skf21("5","6","3","4","6","6","6","1") = "5"
    & skf21("5","6","3","4","6","6","7","1") = "6"
    & skf21("5","6","3","4","6","7","1","1") = "6"
    & skf21("5","6","3","4","6","7","2","1") = "6"
    & skf21("5","6","3","4","6","7","3","1") = "6"
    & skf21("5","6","3","4","6","7","4","1") = "6"
    & skf21("5","6","3","4","6","7","5","1") = "6"
    & skf21("5","6","3","4","6","7","6","1") = "6"
    & skf21("5","6","3","4","6","7","7","1") = "6"
    & skf21("5","6","3","4","7","1","1","1") = "6"
    & skf21("5","6","3","4","7","1","2","1") = "6"
    & skf21("5","6","3","4","7","1","3","1") = "6"
    & skf21("5","6","3","4","7","1","4","1") = "6"
    & skf21("5","6","3","4","7","1","5","1") = "6"
    & skf21("5","6","3","4","7","1","6","1") = "6"
    & skf21("5","6","3","4","7","1","7","1") = "6"
    & skf21("5","6","3","4","7","2","1","1") = "6"
    & skf21("5","6","3","4","7","2","2","1") = "6"
    & skf21("5","6","3","4","7","2","3","1") = "6"
    & skf21("5","6","3","4","7","2","4","1") = "6"
    & skf21("5","6","3","4","7","2","5","1") = "6"
    & skf21("5","6","3","4","7","2","6","1") = "6"
    & skf21("5","6","3","4","7","2","7","1") = "6"
    & skf21("5","6","3","4","7","3","1","1") = "6"
    & skf21("5","6","3","4","7","3","2","1") = "6"
    & skf21("5","6","3","4","7","3","3","1") = "6"
    & skf21("5","6","3","4","7","3","4","1") = "6"
    & skf21("5","6","3","4","7","3","5","1") = "6"
    & skf21("5","6","3","4","7","3","6","1") = "6"
    & skf21("5","6","3","4","7","3","7","1") = "6"
    & skf21("5","6","3","4","7","4","1","1") = "6"
    & skf21("5","6","3","4","7","4","2","1") = "6"
    & skf21("5","6","3","4","7","4","3","1") = "6"
    & skf21("5","6","3","4","7","4","4","1") = "6"
    & skf21("5","6","3","4","7","4","5","1") = "6"
    & skf21("5","6","3","4","7","4","6","1") = "6"
    & skf21("5","6","3","4","7","4","7","1") = "6"
    & skf21("5","6","3","4","7","5","1","1") = "6"
    & skf21("5","6","3","4","7","5","2","1") = "6"
    & skf21("5","6","3","4","7","5","3","1") = "6"
    & skf21("5","6","3","4","7","5","4","1") = "6"
    & skf21("5","6","3","4","7","5","5","1") = "6"
    & skf21("5","6","3","4","7","5","6","1") = "6"
    & skf21("5","6","3","4","7","5","7","1") = "6"
    & skf21("5","6","3","4","7","6","1","1") = "6"
    & skf21("5","6","3","4","7","6","2","1") = "6"
    & skf21("5","6","3","4","7","6","3","1") = "6"
    & skf21("5","6","3","4","7","6","4","1") = "6"
    & skf21("5","6","3","4","7","6","5","1") = "6"
    & skf21("5","6","3","4","7","6","6","1") = "6"
    & skf21("5","6","3","4","7","6","7","1") = "6"
    & skf21("5","6","3","4","7","7","1","1") = "6"
    & skf21("5","6","3","4","7","7","2","1") = "6"
    & skf21("5","6","3","4","7","7","3","1") = "6"
    & skf21("5","6","3","4","7","7","4","1") = "6"
    & skf21("5","6","3","4","7","7","5","1") = "6"
    & skf21("5","6","3","4","7","7","6","1") = "6"
    & skf21("5","6","3","4","7","7","7","1") = "6"
    & skf21("5","6","3","5","1","1","1","1") = "5"
    & skf21("5","6","3","5","1","1","2","1") = "5"
    & skf21("5","6","3","5","1","1","3","1") = "5"
    & skf21("5","6","3","5","1","1","4","1") = "5"
    & skf21("5","6","3","5","1","1","5","1") = "5"
    & skf21("5","6","3","5","1","1","6","1") = "5"
    & skf21("5","6","3","5","1","1","7","1") = "6"
    & skf21("5","6","3","5","1","2","1","1") = "5"
    & skf21("5","6","3","5","1","2","2","1") = "5"
    & skf21("5","6","3","5","1","2","3","1") = "5"
    & skf21("5","6","3","5","1","2","4","1") = "5"
    & skf21("5","6","3","5","1","2","5","1") = "5"
    & skf21("5","6","3","5","1","2","6","1") = "5"
    & skf21("5","6","3","5","1","2","7","1") = "6"
    & skf21("5","6","3","5","1","3","1","1") = "5"
    & skf21("5","6","3","5","1","3","2","1") = "5"
    & skf21("5","6","3","5","1","3","3","1") = "5"
    & skf21("5","6","3","5","1","3","4","1") = "5"
    & skf21("5","6","3","5","1","3","5","1") = "5"
    & skf21("5","6","3","5","1","3","6","1") = "5"
    & skf21("5","6","3","5","1","3","7","1") = "6"
    & skf21("5","6","3","5","1","4","1","1") = "5"
    & skf21("5","6","3","5","1","4","2","1") = "5"
    & skf21("5","6","3","5","1","4","3","1") = "5"
    & skf21("5","6","3","5","1","4","4","1") = "5"
    & skf21("5","6","3","5","1","4","5","1") = "5"
    & skf21("5","6","3","5","1","4","6","1") = "5"
    & skf21("5","6","3","5","1","4","7","1") = "6"
    & skf21("5","6","3","5","1","5","1","1") = "5"
    & skf21("5","6","3","5","1","5","2","1") = "5"
    & skf21("5","6","3","5","1","5","3","1") = "5"
    & skf21("5","6","3","5","1","5","4","1") = "5"
    & skf21("5","6","3","5","1","5","5","1") = "5"
    & skf21("5","6","3","5","1","5","6","1") = "5"
    & skf21("5","6","3","5","1","5","7","1") = "6"
    & skf21("5","6","3","5","1","6","1","1") = "5"
    & skf21("5","6","3","5","1","6","2","1") = "5"
    & skf21("5","6","3","5","1","6","3","1") = "5"
    & skf21("5","6","3","5","1","6","4","1") = "5"
    & skf21("5","6","3","5","1","6","5","1") = "5"
    & skf21("5","6","3","5","1","6","6","1") = "5"
    & skf21("5","6","3","5","1","6","7","1") = "6"
    & skf21("5","6","3","5","1","7","1","1") = "6"
    & skf21("5","6","3","5","1","7","2","1") = "6"
    & skf21("5","6","3","5","1","7","3","1") = "6"
    & skf21("5","6","3","5","1","7","4","1") = "6"
    & skf21("5","6","3","5","1","7","5","1") = "6"
    & skf21("5","6","3","5","1","7","6","1") = "6"
    & skf21("5","6","3","5","1","7","7","1") = "6"
    & skf21("5","6","3","5","2","1","1","1") = "5"
    & skf21("5","6","3","5","2","1","2","1") = "5"
    & skf21("5","6","3","5","2","1","3","1") = "5"
    & skf21("5","6","3","5","2","1","4","1") = "5"
    & skf21("5","6","3","5","2","1","5","1") = "5"
    & skf21("5","6","3","5","2","1","6","1") = "5"
    & skf21("5","6","3","5","2","1","7","1") = "6"
    & skf21("5","6","3","5","2","2","1","1") = "5"
    & skf21("5","6","3","5","2","2","2","1") = "5"
    & skf21("5","6","3","5","2","2","3","1") = "5"
    & skf21("5","6","3","5","2","2","4","1") = "5"
    & skf21("5","6","3","5","2","2","5","1") = "5"
    & skf21("5","6","3","5","2","2","6","1") = "5"
    & skf21("5","6","3","5","2","2","7","1") = "6"
    & skf21("5","6","3","5","2","3","1","1") = "5"
    & skf21("5","6","3","5","2","3","2","1") = "5"
    & skf21("5","6","3","5","2","3","3","1") = "5"
    & skf21("5","6","3","5","2","3","4","1") = "5"
    & skf21("5","6","3","5","2","3","5","1") = "5"
    & skf21("5","6","3","5","2","3","6","1") = "5"
    & skf21("5","6","3","5","2","3","7","1") = "6"
    & skf21("5","6","3","5","2","4","1","1") = "5"
    & skf21("5","6","3","5","2","4","2","1") = "5"
    & skf21("5","6","3","5","2","4","3","1") = "5"
    & skf21("5","6","3","5","2","4","4","1") = "5"
    & skf21("5","6","3","5","2","4","5","1") = "5"
    & skf21("5","6","3","5","2","4","6","1") = "5"
    & skf21("5","6","3","5","2","4","7","1") = "6"
    & skf21("5","6","3","5","2","5","1","1") = "5"
    & skf21("5","6","3","5","2","5","2","1") = "5"
    & skf21("5","6","3","5","2","5","3","1") = "5"
    & skf21("5","6","3","5","2","5","4","1") = "5"
    & skf21("5","6","3","5","2","5","5","1") = "5"
    & skf21("5","6","3","5","2","5","6","1") = "5"
    & skf21("5","6","3","5","2","5","7","1") = "6"
    & skf21("5","6","3","5","2","6","1","1") = "5"
    & skf21("5","6","3","5","2","6","2","1") = "5"
    & skf21("5","6","3","5","2","6","3","1") = "5"
    & skf21("5","6","3","5","2","6","4","1") = "5"
    & skf21("5","6","3","5","2","6","5","1") = "5"
    & skf21("5","6","3","5","2","6","6","1") = "5"
    & skf21("5","6","3","5","2","6","7","1") = "6"
    & skf21("5","6","3","5","2","7","1","1") = "6"
    & skf21("5","6","3","5","2","7","2","1") = "6"
    & skf21("5","6","3","5","2","7","3","1") = "6"
    & skf21("5","6","3","5","2","7","4","1") = "6"
    & skf21("5","6","3","5","2","7","5","1") = "6"
    & skf21("5","6","3","5","2","7","6","1") = "6"
    & skf21("5","6","3","5","2","7","7","1") = "6"
    & skf21("5","6","3","5","3","1","1","1") = "5"
    & skf21("5","6","3","5","3","1","2","1") = "5"
    & skf21("5","6","3","5","3","1","3","1") = "5"
    & skf21("5","6","3","5","3","1","4","1") = "5"
    & skf21("5","6","3","5","3","1","5","1") = "5"
    & skf21("5","6","3","5","3","1","6","1") = "5"
    & skf21("5","6","3","5","3","1","7","1") = "6"
    & skf21("5","6","3","5","3","2","1","1") = "5"
    & skf21("5","6","3","5","3","2","2","1") = "5"
    & skf21("5","6","3","5","3","2","3","1") = "5"
    & skf21("5","6","3","5","3","2","4","1") = "5"
    & skf21("5","6","3","5","3","2","5","1") = "5"
    & skf21("5","6","3","5","3","2","6","1") = "5"
    & skf21("5","6","3","5","3","2","7","1") = "6"
    & skf21("5","6","3","5","3","3","1","1") = "5"
    & skf21("5","6","3","5","3","3","2","1") = "5"
    & skf21("5","6","3","5","3","3","3","1") = "5"
    & skf21("5","6","3","5","3","3","4","1") = "5"
    & skf21("5","6","3","5","3","3","5","1") = "5"
    & skf21("5","6","3","5","3","3","6","1") = "5"
    & skf21("5","6","3","5","3","3","7","1") = "6"
    & skf21("5","6","3","5","3","4","1","1") = "5"
    & skf21("5","6","3","5","3","4","2","1") = "5"
    & skf21("5","6","3","5","3","4","3","1") = "5"
    & skf21("5","6","3","5","3","4","4","1") = "5"
    & skf21("5","6","3","5","3","4","5","1") = "5"
    & skf21("5","6","3","5","3","4","6","1") = "5"
    & skf21("5","6","3","5","3","4","7","1") = "6"
    & skf21("5","6","3","5","3","5","1","1") = "5"
    & skf21("5","6","3","5","3","5","2","1") = "5"
    & skf21("5","6","3","5","3","5","3","1") = "5"
    & skf21("5","6","3","5","3","5","4","1") = "5"
    & skf21("5","6","3","5","3","5","5","1") = "5"
    & skf21("5","6","3","5","3","5","6","1") = "5"
    & skf21("5","6","3","5","3","5","7","1") = "6"
    & skf21("5","6","3","5","3","6","1","1") = "5"
    & skf21("5","6","3","5","3","6","2","1") = "5"
    & skf21("5","6","3","5","3","6","3","1") = "5"
    & skf21("5","6","3","5","3","6","4","1") = "5"
    & skf21("5","6","3","5","3","6","5","1") = "5"
    & skf21("5","6","3","5","3","6","6","1") = "5"
    & skf21("5","6","3","5","3","6","7","1") = "6"
    & skf21("5","6","3","5","3","7","1","1") = "6"
    & skf21("5","6","3","5","3","7","2","1") = "6"
    & skf21("5","6","3","5","3","7","3","1") = "6"
    & skf21("5","6","3","5","3","7","4","1") = "6"
    & skf21("5","6","3","5","3","7","5","1") = "6"
    & skf21("5","6","3","5","3","7","6","1") = "6"
    & skf21("5","6","3","5","3","7","7","1") = "6"
    & skf21("5","6","3","5","4","1","1","1") = "5"
    & skf21("5","6","3","5","4","1","2","1") = "5"
    & skf21("5","6","3","5","4","1","3","1") = "5"
    & skf21("5","6","3","5","4","1","4","1") = "5"
    & skf21("5","6","3","5","4","1","5","1") = "5"
    & skf21("5","6","3","5","4","1","6","1") = "5"
    & skf21("5","6","3","5","4","1","7","1") = "6"
    & skf21("5","6","3","5","4","2","1","1") = "5"
    & skf21("5","6","3","5","4","2","2","1") = "5"
    & skf21("5","6","3","5","4","2","3","1") = "5"
    & skf21("5","6","3","5","4","2","4","1") = "5"
    & skf21("5","6","3","5","4","2","5","1") = "5"
    & skf21("5","6","3","5","4","2","6","1") = "5"
    & skf21("5","6","3","5","4","2","7","1") = "6"
    & skf21("5","6","3","5","4","3","1","1") = "5"
    & skf21("5","6","3","5","4","3","2","1") = "5"
    & skf21("5","6","3","5","4","3","3","1") = "5"
    & skf21("5","6","3","5","4","3","4","1") = "5"
    & skf21("5","6","3","5","4","3","5","1") = "5"
    & skf21("5","6","3","5","4","3","6","1") = "5"
    & skf21("5","6","3","5","4","3","7","1") = "6"
    & skf21("5","6","3","5","4","4","1","1") = "5"
    & skf21("5","6","3","5","4","4","2","1") = "5"
    & skf21("5","6","3","5","4","4","3","1") = "5"
    & skf21("5","6","3","5","4","4","4","1") = "5"
    & skf21("5","6","3","5","4","4","5","1") = "5"
    & skf21("5","6","3","5","4","4","6","1") = "5"
    & skf21("5","6","3","5","4","4","7","1") = "6"
    & skf21("5","6","3","5","4","5","1","1") = "5"
    & skf21("5","6","3","5","4","5","2","1") = "5"
    & skf21("5","6","3","5","4","5","3","1") = "5"
    & skf21("5","6","3","5","4","5","4","1") = "5"
    & skf21("5","6","3","5","4","5","5","1") = "5"
    & skf21("5","6","3","5","4","5","6","1") = "5"
    & skf21("5","6","3","5","4","5","7","1") = "6"
    & skf21("5","6","3","5","4","6","1","1") = "5"
    & skf21("5","6","3","5","4","6","2","1") = "5"
    & skf21("5","6","3","5","4","6","3","1") = "5"
    & skf21("5","6","3","5","4","6","4","1") = "5"
    & skf21("5","6","3","5","4","6","5","1") = "5"
    & skf21("5","6","3","5","4","6","6","1") = "5"
    & skf21("5","6","3","5","4","6","7","1") = "6"
    & skf21("5","6","3","5","4","7","1","1") = "6"
    & skf21("5","6","3","5","4","7","2","1") = "6"
    & skf21("5","6","3","5","4","7","3","1") = "6"
    & skf21("5","6","3","5","4","7","4","1") = "6"
    & skf21("5","6","3","5","4","7","5","1") = "6"
    & skf21("5","6","3","5","4","7","6","1") = "6"
    & skf21("5","6","3","5","4","7","7","1") = "6"
    & skf21("5","6","3","5","5","1","1","1") = "5"
    & skf21("5","6","3","5","5","1","2","1") = "5"
    & skf21("5","6","3","5","5","1","3","1") = "5"
    & skf21("5","6","3","5","5","1","4","1") = "5"
    & skf21("5","6","3","5","5","1","5","1") = "5"
    & skf21("5","6","3","5","5","1","6","1") = "5"
    & skf21("5","6","3","5","5","1","7","1") = "6"
    & skf21("5","6","3","5","5","2","1","1") = "5"
    & skf21("5","6","3","5","5","2","2","1") = "5"
    & skf21("5","6","3","5","5","2","3","1") = "5"
    & skf21("5","6","3","5","5","2","4","1") = "5"
    & skf21("5","6","3","5","5","2","5","1") = "5"
    & skf21("5","6","3","5","5","2","6","1") = "5"
    & skf21("5","6","3","5","5","2","7","1") = "6"
    & skf21("5","6","3","5","5","3","1","1") = "5"
    & skf21("5","6","3","5","5","3","2","1") = "5"
    & skf21("5","6","3","5","5","3","3","1") = "5"
    & skf21("5","6","3","5","5","3","4","1") = "5"
    & skf21("5","6","3","5","5","3","5","1") = "5"
    & skf21("5","6","3","5","5","3","6","1") = "5"
    & skf21("5","6","3","5","5","3","7","1") = "6"
    & skf21("5","6","3","5","5","4","1","1") = "5"
    & skf21("5","6","3","5","5","4","2","1") = "5"
    & skf21("5","6","3","5","5","4","3","1") = "5"
    & skf21("5","6","3","5","5","4","4","1") = "5"
    & skf21("5","6","3","5","5","4","5","1") = "5"
    & skf21("5","6","3","5","5","4","6","1") = "5"
    & skf21("5","6","3","5","5","4","7","1") = "6"
    & skf21("5","6","3","5","5","5","1","1") = "5"
    & skf21("5","6","3","5","5","5","2","1") = "5"
    & skf21("5","6","3","5","5","5","3","1") = "5"
    & skf21("5","6","3","5","5","5","4","1") = "5"
    & skf21("5","6","3","5","5","5","5","1") = "5"
    & skf21("5","6","3","5","5","5","6","1") = "5"
    & skf21("5","6","3","5","5","5","7","1") = "6"
    & skf21("5","6","3","5","5","6","1","1") = "5"
    & skf21("5","6","3","5","5","6","2","1") = "5"
    & skf21("5","6","3","5","5","6","3","1") = "5"
    & skf21("5","6","3","5","5","6","4","1") = "5"
    & skf21("5","6","3","5","5","6","5","1") = "5"
    & skf21("5","6","3","5","5","6","6","1") = "5"
    & skf21("5","6","3","5","5","6","7","1") = "6"
    & skf21("5","6","3","5","5","7","1","1") = "6"
    & skf21("5","6","3","5","5","7","2","1") = "6"
    & skf21("5","6","3","5","5","7","3","1") = "6"
    & skf21("5","6","3","5","5","7","4","1") = "6"
    & skf21("5","6","3","5","5","7","5","1") = "6"
    & skf21("5","6","3","5","5","7","6","1") = "6"
    & skf21("5","6","3","5","5","7","7","1") = "6"
    & skf21("5","6","3","5","6","1","1","1") = "5"
    & skf21("5","6","3","5","6","1","2","1") = "5"
    & skf21("5","6","3","5","6","1","3","1") = "5"
    & skf21("5","6","3","5","6","1","4","1") = "5"
    & skf21("5","6","3","5","6","1","5","1") = "5"
    & skf21("5","6","3","5","6","1","6","1") = "5"
    & skf21("5","6","3","5","6","1","7","1") = "6"
    & skf21("5","6","3","5","6","2","1","1") = "5"
    & skf21("5","6","3","5","6","2","2","1") = "5"
    & skf21("5","6","3","5","6","2","3","1") = "5"
    & skf21("5","6","3","5","6","2","4","1") = "5"
    & skf21("5","6","3","5","6","2","5","1") = "5"
    & skf21("5","6","3","5","6","2","6","1") = "5"
    & skf21("5","6","3","5","6","2","7","1") = "6"
    & skf21("5","6","3","5","6","3","1","1") = "5"
    & skf21("5","6","3","5","6","3","2","1") = "5"
    & skf21("5","6","3","5","6","3","3","1") = "5"
    & skf21("5","6","3","5","6","3","4","1") = "5"
    & skf21("5","6","3","5","6","3","5","1") = "5"
    & skf21("5","6","3","5","6","3","6","1") = "5"
    & skf21("5","6","3","5","6","3","7","1") = "6"
    & skf21("5","6","3","5","6","4","1","1") = "5"
    & skf21("5","6","3","5","6","4","2","1") = "5"
    & skf21("5","6","3","5","6","4","3","1") = "5"
    & skf21("5","6","3","5","6","4","4","1") = "5"
    & skf21("5","6","3","5","6","4","5","1") = "5"
    & skf21("5","6","3","5","6","4","6","1") = "5"
    & skf21("5","6","3","5","6","4","7","1") = "6"
    & skf21("5","6","3","5","6","5","1","1") = "5"
    & skf21("5","6","3","5","6","5","2","1") = "5"
    & skf21("5","6","3","5","6","5","3","1") = "5"
    & skf21("5","6","3","5","6","5","4","1") = "5"
    & skf21("5","6","3","5","6","5","5","1") = "5"
    & skf21("5","6","3","5","6","5","6","1") = "5"
    & skf21("5","6","3","5","6","5","7","1") = "6"
    & skf21("5","6","3","5","6","6","1","1") = "5"
    & skf21("5","6","3","5","6","6","2","1") = "5"
    & skf21("5","6","3","5","6","6","3","1") = "5"
    & skf21("5","6","3","5","6","6","4","1") = "5"
    & skf21("5","6","3","5","6","6","5","1") = "5"
    & skf21("5","6","3","5","6","6","6","1") = "5"
    & skf21("5","6","3","5","6","6","7","1") = "6"
    & skf21("5","6","3","5","6","7","1","1") = "6"
    & skf21("5","6","3","5","6","7","2","1") = "6"
    & skf21("5","6","3","5","6","7","3","1") = "6"
    & skf21("5","6","3","5","6","7","4","1") = "6"
    & skf21("5","6","3","5","6","7","5","1") = "6"
    & skf21("5","6","3","5","6","7","6","1") = "6"
    & skf21("5","6","3","5","6","7","7","1") = "6"
    & skf21("5","6","3","5","7","1","1","1") = "6"
    & skf21("5","6","3","5","7","1","2","1") = "6"
    & skf21("5","6","3","5","7","1","3","1") = "6"
    & skf21("5","6","3","5","7","1","4","1") = "6"
    & skf21("5","6","3","5","7","1","5","1") = "6"
    & skf21("5","6","3","5","7","1","6","1") = "6"
    & skf21("5","6","3","5","7","1","7","1") = "6"
    & skf21("5","6","3","5","7","2","1","1") = "6"
    & skf21("5","6","3","5","7","2","2","1") = "6"
    & skf21("5","6","3","5","7","2","3","1") = "6"
    & skf21("5","6","3","5","7","2","4","1") = "6"
    & skf21("5","6","3","5","7","2","5","1") = "6"
    & skf21("5","6","3","5","7","2","6","1") = "6"
    & skf21("5","6","3","5","7","2","7","1") = "6"
    & skf21("5","6","3","5","7","3","1","1") = "6"
    & skf21("5","6","3","5","7","3","2","1") = "6"
    & skf21("5","6","3","5","7","3","3","1") = "6"
    & skf21("5","6","3","5","7","3","4","1") = "6"
    & skf21("5","6","3","5","7","3","5","1") = "6"
    & skf21("5","6","3","5","7","3","6","1") = "6"
    & skf21("5","6","3","5","7","3","7","1") = "6"
    & skf21("5","6","3","5","7","4","1","1") = "6"
    & skf21("5","6","3","5","7","4","2","1") = "6"
    & skf21("5","6","3","5","7","4","3","1") = "6"
    & skf21("5","6","3","5","7","4","4","1") = "6"
    & skf21("5","6","3","5","7","4","5","1") = "6"
    & skf21("5","6","3","5","7","4","6","1") = "6"
    & skf21("5","6","3","5","7","4","7","1") = "6"
    & skf21("5","6","3","5","7","5","1","1") = "6"
    & skf21("5","6","3","5","7","5","2","1") = "6"
    & skf21("5","6","3","5","7","5","3","1") = "6"
    & skf21("5","6","3","5","7","5","4","1") = "6"
    & skf21("5","6","3","5","7","5","5","1") = "6"
    & skf21("5","6","3","5","7","5","6","1") = "6"
    & skf21("5","6","3","5","7","5","7","1") = "6"
    & skf21("5","6","3","5","7","6","1","1") = "6"
    & skf21("5","6","3","5","7","6","2","1") = "6"
    & skf21("5","6","3","5","7","6","3","1") = "6"
    & skf21("5","6","3","5","7","6","4","1") = "6"
    & skf21("5","6","3","5","7","6","5","1") = "6"
    & skf21("5","6","3","5","7","6","6","1") = "6"
    & skf21("5","6","3","5","7","6","7","1") = "6"
    & skf21("5","6","3","5","7","7","1","1") = "6"
    & skf21("5","6","3","5","7","7","2","1") = "6"
    & skf21("5","6","3","5","7","7","3","1") = "6"
    & skf21("5","6","3","5","7","7","4","1") = "6"
    & skf21("5","6","3","5","7","7","5","1") = "6"
    & skf21("5","6","3","5","7","7","6","1") = "6"
    & skf21("5","6","3","5","7","7","7","1") = "6"
    & skf21("5","6","3","6","1","1","1","1") = "5"
    & skf21("5","6","3","6","1","1","2","1") = "5"
    & skf21("5","6","3","6","1","1","3","1") = "5"
    & skf21("5","6","3","6","1","1","4","1") = "5"
    & skf21("5","6","3","6","1","1","5","1") = "5"
    & skf21("5","6","3","6","1","1","6","1") = "5"
    & skf21("5","6","3","6","1","1","7","1") = "6"
    & skf21("5","6","3","6","1","2","1","1") = "5"
    & skf21("5","6","3","6","1","2","2","1") = "5"
    & skf21("5","6","3","6","1","2","3","1") = "5"
    & skf21("5","6","3","6","1","2","4","1") = "5"
    & skf21("5","6","3","6","1","2","5","1") = "5"
    & skf21("5","6","3","6","1","2","6","1") = "5"
    & skf21("5","6","3","6","1","2","7","1") = "6"
    & skf21("5","6","3","6","1","3","1","1") = "5"
    & skf21("5","6","3","6","1","3","2","1") = "5"
    & skf21("5","6","3","6","1","3","3","1") = "5"
    & skf21("5","6","3","6","1","3","4","1") = "5"
    & skf21("5","6","3","6","1","3","5","1") = "5"
    & skf21("5","6","3","6","1","3","6","1") = "5"
    & skf21("5","6","3","6","1","3","7","1") = "6"
    & skf21("5","6","3","6","1","4","1","1") = "5"
    & skf21("5","6","3","6","1","4","2","1") = "5"
    & skf21("5","6","3","6","1","4","3","1") = "5"
    & skf21("5","6","3","6","1","4","4","1") = "5"
    & skf21("5","6","3","6","1","4","5","1") = "5"
    & skf21("5","6","3","6","1","4","6","1") = "5"
    & skf21("5","6","3","6","1","4","7","1") = "6"
    & skf21("5","6","3","6","1","5","1","1") = "5"
    & skf21("5","6","3","6","1","5","2","1") = "5"
    & skf21("5","6","3","6","1","5","3","1") = "5"
    & skf21("5","6","3","6","1","5","4","1") = "5"
    & skf21("5","6","3","6","1","5","5","1") = "5"
    & skf21("5","6","3","6","1","5","6","1") = "5"
    & skf21("5","6","3","6","1","5","7","1") = "6"
    & skf21("5","6","3","6","1","6","1","1") = "5"
    & skf21("5","6","3","6","1","6","2","1") = "5"
    & skf21("5","6","3","6","1","6","3","1") = "5"
    & skf21("5","6","3","6","1","6","4","1") = "5"
    & skf21("5","6","3","6","1","6","5","1") = "5"
    & skf21("5","6","3","6","1","6","6","1") = "5"
    & skf21("5","6","3","6","1","6","7","1") = "6"
    & skf21("5","6","3","6","1","7","1","1") = "6"
    & skf21("5","6","3","6","1","7","2","1") = "6"
    & skf21("5","6","3","6","1","7","3","1") = "6"
    & skf21("5","6","3","6","1","7","4","1") = "6"
    & skf21("5","6","3","6","1","7","5","1") = "6"
    & skf21("5","6","3","6","1","7","6","1") = "6"
    & skf21("5","6","3","6","1","7","7","1") = "6"
    & skf21("5","6","3","6","2","1","1","1") = "5"
    & skf21("5","6","3","6","2","1","2","1") = "5"
    & skf21("5","6","3","6","2","1","3","1") = "5"
    & skf21("5","6","3","6","2","1","4","1") = "5"
    & skf21("5","6","3","6","2","1","5","1") = "5"
    & skf21("5","6","3","6","2","1","6","1") = "5"
    & skf21("5","6","3","6","2","1","7","1") = "6"
    & skf21("5","6","3","6","2","2","1","1") = "5"
    & skf21("5","6","3","6","2","2","2","1") = "5"
    & skf21("5","6","3","6","2","2","3","1") = "5"
    & skf21("5","6","3","6","2","2","4","1") = "5"
    & skf21("5","6","3","6","2","2","5","1") = "5"
    & skf21("5","6","3","6","2","2","6","1") = "5"
    & skf21("5","6","3","6","2","2","7","1") = "6"
    & skf21("5","6","3","6","2","3","1","1") = "5"
    & skf21("5","6","3","6","2","3","2","1") = "5"
    & skf21("5","6","3","6","2","3","3","1") = "5"
    & skf21("5","6","3","6","2","3","4","1") = "5"
    & skf21("5","6","3","6","2","3","5","1") = "5"
    & skf21("5","6","3","6","2","3","6","1") = "5"
    & skf21("5","6","3","6","2","3","7","1") = "6"
    & skf21("5","6","3","6","2","4","1","1") = "5"
    & skf21("5","6","3","6","2","4","2","1") = "5"
    & skf21("5","6","3","6","2","4","3","1") = "5"
    & skf21("5","6","3","6","2","4","4","1") = "5"
    & skf21("5","6","3","6","2","4","5","1") = "5"
    & skf21("5","6","3","6","2","4","6","1") = "5"
    & skf21("5","6","3","6","2","4","7","1") = "6"
    & skf21("5","6","3","6","2","5","1","1") = "5"
    & skf21("5","6","3","6","2","5","2","1") = "5"
    & skf21("5","6","3","6","2","5","3","1") = "5"
    & skf21("5","6","3","6","2","5","4","1") = "5"
    & skf21("5","6","3","6","2","5","5","1") = "5"
    & skf21("5","6","3","6","2","5","6","1") = "5"
    & skf21("5","6","3","6","2","5","7","1") = "6"
    & skf21("5","6","3","6","2","6","1","1") = "5"
    & skf21("5","6","3","6","2","6","2","1") = "5"
    & skf21("5","6","3","6","2","6","3","1") = "5"
    & skf21("5","6","3","6","2","6","4","1") = "5"
    & skf21("5","6","3","6","2","6","5","1") = "5"
    & skf21("5","6","3","6","2","6","6","1") = "5"
    & skf21("5","6","3","6","2","6","7","1") = "6"
    & skf21("5","6","3","6","2","7","1","1") = "6"
    & skf21("5","6","3","6","2","7","2","1") = "6"
    & skf21("5","6","3","6","2","7","3","1") = "6"
    & skf21("5","6","3","6","2","7","4","1") = "6"
    & skf21("5","6","3","6","2","7","5","1") = "6"
    & skf21("5","6","3","6","2","7","6","1") = "6"
    & skf21("5","6","3","6","2","7","7","1") = "6"
    & skf21("5","6","3","6","3","1","1","1") = "5"
    & skf21("5","6","3","6","3","1","2","1") = "5"
    & skf21("5","6","3","6","3","1","3","1") = "5"
    & skf21("5","6","3","6","3","1","4","1") = "5"
    & skf21("5","6","3","6","3","1","5","1") = "5"
    & skf21("5","6","3","6","3","1","6","1") = "5"
    & skf21("5","6","3","6","3","1","7","1") = "6"
    & skf21("5","6","3","6","3","2","1","1") = "5"
    & skf21("5","6","3","6","3","2","2","1") = "5"
    & skf21("5","6","3","6","3","2","3","1") = "5"
    & skf21("5","6","3","6","3","2","4","1") = "5"
    & skf21("5","6","3","6","3","2","5","1") = "5"
    & skf21("5","6","3","6","3","2","6","1") = "5"
    & skf21("5","6","3","6","3","2","7","1") = "6"
    & skf21("5","6","3","6","3","3","1","1") = "5"
    & skf21("5","6","3","6","3","3","2","1") = "5"
    & skf21("5","6","3","6","3","3","3","1") = "5"
    & skf21("5","6","3","6","3","3","4","1") = "5"
    & skf21("5","6","3","6","3","3","5","1") = "5"
    & skf21("5","6","3","6","3","3","6","1") = "5"
    & skf21("5","6","3","6","3","3","7","1") = "6"
    & skf21("5","6","3","6","3","4","1","1") = "5"
    & skf21("5","6","3","6","3","4","2","1") = "5"
    & skf21("5","6","3","6","3","4","3","1") = "5"
    & skf21("5","6","3","6","3","4","4","1") = "5"
    & skf21("5","6","3","6","3","4","5","1") = "5"
    & skf21("5","6","3","6","3","4","6","1") = "5"
    & skf21("5","6","3","6","3","4","7","1") = "6"
    & skf21("5","6","3","6","3","5","1","1") = "5"
    & skf21("5","6","3","6","3","5","2","1") = "5"
    & skf21("5","6","3","6","3","5","3","1") = "5"
    & skf21("5","6","3","6","3","5","4","1") = "5"
    & skf21("5","6","3","6","3","5","5","1") = "5"
    & skf21("5","6","3","6","3","5","6","1") = "5"
    & skf21("5","6","3","6","3","5","7","1") = "6"
    & skf21("5","6","3","6","3","6","1","1") = "5"
    & skf21("5","6","3","6","3","6","2","1") = "5"
    & skf21("5","6","3","6","3","6","3","1") = "5"
    & skf21("5","6","3","6","3","6","4","1") = "5"
    & skf21("5","6","3","6","3","6","5","1") = "5"
    & skf21("5","6","3","6","3","6","6","1") = "5"
    & skf21("5","6","3","6","3","6","7","1") = "6"
    & skf21("5","6","3","6","3","7","1","1") = "6"
    & skf21("5","6","3","6","3","7","2","1") = "6"
    & skf21("5","6","3","6","3","7","3","1") = "6"
    & skf21("5","6","3","6","3","7","4","1") = "6"
    & skf21("5","6","3","6","3","7","5","1") = "6"
    & skf21("5","6","3","6","3","7","6","1") = "6"
    & skf21("5","6","3","6","3","7","7","1") = "6"
    & skf21("5","6","3","6","4","1","1","1") = "5"
    & skf21("5","6","3","6","4","1","2","1") = "5"
    & skf21("5","6","3","6","4","1","3","1") = "5"
    & skf21("5","6","3","6","4","1","4","1") = "5"
    & skf21("5","6","3","6","4","1","5","1") = "5"
    & skf21("5","6","3","6","4","1","6","1") = "5"
    & skf21("5","6","3","6","4","1","7","1") = "6"
    & skf21("5","6","3","6","4","2","1","1") = "5"
    & skf21("5","6","3","6","4","2","2","1") = "5"
    & skf21("5","6","3","6","4","2","3","1") = "5"
    & skf21("5","6","3","6","4","2","4","1") = "5"
    & skf21("5","6","3","6","4","2","5","1") = "5"
    & skf21("5","6","3","6","4","2","6","1") = "5"
    & skf21("5","6","3","6","4","2","7","1") = "6"
    & skf21("5","6","3","6","4","3","1","1") = "5"
    & skf21("5","6","3","6","4","3","2","1") = "5"
    & skf21("5","6","3","6","4","3","3","1") = "5"
    & skf21("5","6","3","6","4","3","4","1") = "5"
    & skf21("5","6","3","6","4","3","5","1") = "5"
    & skf21("5","6","3","6","4","3","6","1") = "5"
    & skf21("5","6","3","6","4","3","7","1") = "6"
    & skf21("5","6","3","6","4","4","1","1") = "5"
    & skf21("5","6","3","6","4","4","2","1") = "5"
    & skf21("5","6","3","6","4","4","3","1") = "5"
    & skf21("5","6","3","6","4","4","4","1") = "5"
    & skf21("5","6","3","6","4","4","5","1") = "5"
    & skf21("5","6","3","6","4","4","6","1") = "5"
    & skf21("5","6","3","6","4","4","7","1") = "6"
    & skf21("5","6","3","6","4","5","1","1") = "5"
    & skf21("5","6","3","6","4","5","2","1") = "5"
    & skf21("5","6","3","6","4","5","3","1") = "5"
    & skf21("5","6","3","6","4","5","4","1") = "5"
    & skf21("5","6","3","6","4","5","5","1") = "5"
    & skf21("5","6","3","6","4","5","6","1") = "5"
    & skf21("5","6","3","6","4","5","7","1") = "6"
    & skf21("5","6","3","6","4","6","1","1") = "5"
    & skf21("5","6","3","6","4","6","2","1") = "5"
    & skf21("5","6","3","6","4","6","3","1") = "5"
    & skf21("5","6","3","6","4","6","4","1") = "5"
    & skf21("5","6","3","6","4","6","5","1") = "5"
    & skf21("5","6","3","6","4","6","6","1") = "5"
    & skf21("5","6","3","6","4","6","7","1") = "6"
    & skf21("5","6","3","6","4","7","1","1") = "6"
    & skf21("5","6","3","6","4","7","2","1") = "6"
    & skf21("5","6","3","6","4","7","3","1") = "6"
    & skf21("5","6","3","6","4","7","4","1") = "6"
    & skf21("5","6","3","6","4","7","5","1") = "6"
    & skf21("5","6","3","6","4","7","6","1") = "6"
    & skf21("5","6","3","6","4","7","7","1") = "6"
    & skf21("5","6","3","6","5","1","1","1") = "5"
    & skf21("5","6","3","6","5","1","2","1") = "5"
    & skf21("5","6","3","6","5","1","3","1") = "5"
    & skf21("5","6","3","6","5","1","4","1") = "5"
    & skf21("5","6","3","6","5","1","5","1") = "5"
    & skf21("5","6","3","6","5","1","6","1") = "5"
    & skf21("5","6","3","6","5","1","7","1") = "6"
    & skf21("5","6","3","6","5","2","1","1") = "5"
    & skf21("5","6","3","6","5","2","2","1") = "5"
    & skf21("5","6","3","6","5","2","3","1") = "5"
    & skf21("5","6","3","6","5","2","4","1") = "5"
    & skf21("5","6","3","6","5","2","5","1") = "5"
    & skf21("5","6","3","6","5","2","6","1") = "5"
    & skf21("5","6","3","6","5","2","7","1") = "6"
    & skf21("5","6","3","6","5","3","1","1") = "5"
    & skf21("5","6","3","6","5","3","2","1") = "5"
    & skf21("5","6","3","6","5","3","3","1") = "5"
    & skf21("5","6","3","6","5","3","4","1") = "5"
    & skf21("5","6","3","6","5","3","5","1") = "5"
    & skf21("5","6","3","6","5","3","6","1") = "5"
    & skf21("5","6","3","6","5","3","7","1") = "6"
    & skf21("5","6","3","6","5","4","1","1") = "5"
    & skf21("5","6","3","6","5","4","2","1") = "5"
    & skf21("5","6","3","6","5","4","3","1") = "5"
    & skf21("5","6","3","6","5","4","4","1") = "5"
    & skf21("5","6","3","6","5","4","5","1") = "5"
    & skf21("5","6","3","6","5","4","6","1") = "5"
    & skf21("5","6","3","6","5","4","7","1") = "6"
    & skf21("5","6","3","6","5","5","1","1") = "5"
    & skf21("5","6","3","6","5","5","2","1") = "5"
    & skf21("5","6","3","6","5","5","3","1") = "5"
    & skf21("5","6","3","6","5","5","4","1") = "5"
    & skf21("5","6","3","6","5","5","5","1") = "5"
    & skf21("5","6","3","6","5","5","6","1") = "5"
    & skf21("5","6","3","6","5","5","7","1") = "6"
    & skf21("5","6","3","6","5","6","1","1") = "5"
    & skf21("5","6","3","6","5","6","2","1") = "5"
    & skf21("5","6","3","6","5","6","3","1") = "5"
    & skf21("5","6","3","6","5","6","4","1") = "5"
    & skf21("5","6","3","6","5","6","5","1") = "5"
    & skf21("5","6","3","6","5","6","6","1") = "5"
    & skf21("5","6","3","6","5","6","7","1") = "6"
    & skf21("5","6","3","6","5","7","1","1") = "6"
    & skf21("5","6","3","6","5","7","2","1") = "6"
    & skf21("5","6","3","6","5","7","3","1") = "6"
    & skf21("5","6","3","6","5","7","4","1") = "6"
    & skf21("5","6","3","6","5","7","5","1") = "6"
    & skf21("5","6","3","6","5","7","6","1") = "6"
    & skf21("5","6","3","6","5","7","7","1") = "6"
    & skf21("5","6","3","6","6","1","1","1") = "5"
    & skf21("5","6","3","6","6","1","2","1") = "5"
    & skf21("5","6","3","6","6","1","3","1") = "5"
    & skf21("5","6","3","6","6","1","4","1") = "5"
    & skf21("5","6","3","6","6","1","5","1") = "5"
    & skf21("5","6","3","6","6","1","6","1") = "5"
    & skf21("5","6","3","6","6","1","7","1") = "6"
    & skf21("5","6","3","6","6","2","1","1") = "5"
    & skf21("5","6","3","6","6","2","2","1") = "5"
    & skf21("5","6","3","6","6","2","3","1") = "5"
    & skf21("5","6","3","6","6","2","4","1") = "5"
    & skf21("5","6","3","6","6","2","5","1") = "5"
    & skf21("5","6","3","6","6","2","6","1") = "5"
    & skf21("5","6","3","6","6","2","7","1") = "6"
    & skf21("5","6","3","6","6","3","1","1") = "5"
    & skf21("5","6","3","6","6","3","2","1") = "5"
    & skf21("5","6","3","6","6","3","3","1") = "5"
    & skf21("5","6","3","6","6","3","4","1") = "5"
    & skf21("5","6","3","6","6","3","5","1") = "5"
    & skf21("5","6","3","6","6","3","6","1") = "5"
    & skf21("5","6","3","6","6","3","7","1") = "6"
    & skf21("5","6","3","6","6","4","1","1") = "5"
    & skf21("5","6","3","6","6","4","2","1") = "5"
    & skf21("5","6","3","6","6","4","3","1") = "5"
    & skf21("5","6","3","6","6","4","4","1") = "5"
    & skf21("5","6","3","6","6","4","5","1") = "5"
    & skf21("5","6","3","6","6","4","6","1") = "5"
    & skf21("5","6","3","6","6","4","7","1") = "6"
    & skf21("5","6","3","6","6","5","1","1") = "5"
    & skf21("5","6","3","6","6","5","2","1") = "5"
    & skf21("5","6","3","6","6","5","3","1") = "5"
    & skf21("5","6","3","6","6","5","4","1") = "5"
    & skf21("5","6","3","6","6","5","5","1") = "5"
    & skf21("5","6","3","6","6","5","6","1") = "5"
    & skf21("5","6","3","6","6","5","7","1") = "6"
    & skf21("5","6","3","6","6","6","1","1") = "5"
    & skf21("5","6","3","6","6","6","2","1") = "5"
    & skf21("5","6","3","6","6","6","3","1") = "5"
    & skf21("5","6","3","6","6","6","4","1") = "5"
    & skf21("5","6","3","6","6","6","5","1") = "5"
    & skf21("5","6","3","6","6","6","6","1") = "5"
    & skf21("5","6","3","6","6","6","7","1") = "6"
    & skf21("5","6","3","6","6","7","1","1") = "6"
    & skf21("5","6","3","6","6","7","2","1") = "6"
    & skf21("5","6","3","6","6","7","3","1") = "6"
    & skf21("5","6","3","6","6","7","4","1") = "6"
    & skf21("5","6","3","6","6","7","5","1") = "6"
    & skf21("5","6","3","6","6","7","6","1") = "6"
    & skf21("5","6","3","6","6","7","7","1") = "6"
    & skf21("5","6","3","6","7","1","1","1") = "6"
    & skf21("5","6","3","6","7","1","2","1") = "6"
    & skf21("5","6","3","6","7","1","3","1") = "6"
    & skf21("5","6","3","6","7","1","4","1") = "6"
    & skf21("5","6","3","6","7","1","5","1") = "6"
    & skf21("5","6","3","6","7","1","6","1") = "6"
    & skf21("5","6","3","6","7","1","7","1") = "6"
    & skf21("5","6","3","6","7","2","1","1") = "6"
    & skf21("5","6","3","6","7","2","2","1") = "6"
    & skf21("5","6","3","6","7","2","3","1") = "6"
    & skf21("5","6","3","6","7","2","4","1") = "6"
    & skf21("5","6","3","6","7","2","5","1") = "6"
    & skf21("5","6","3","6","7","2","6","1") = "6"
    & skf21("5","6","3","6","7","2","7","1") = "6"
    & skf21("5","6","3","6","7","3","1","1") = "6"
    & skf21("5","6","3","6","7","3","2","1") = "6"
    & skf21("5","6","3","6","7","3","3","1") = "6"
    & skf21("5","6","3","6","7","3","4","1") = "6"
    & skf21("5","6","3","6","7","3","5","1") = "6"
    & skf21("5","6","3","6","7","3","6","1") = "6"
    & skf21("5","6","3","6","7","3","7","1") = "6"
    & skf21("5","6","3","6","7","4","1","1") = "6"
    & skf21("5","6","3","6","7","4","2","1") = "6"
    & skf21("5","6","3","6","7","4","3","1") = "6"
    & skf21("5","6","3","6","7","4","4","1") = "6"
    & skf21("5","6","3","6","7","4","5","1") = "6"
    & skf21("5","6","3","6","7","4","6","1") = "6"
    & skf21("5","6","3","6","7","4","7","1") = "6"
    & skf21("5","6","3","6","7","5","1","1") = "6"
    & skf21("5","6","3","6","7","5","2","1") = "6"
    & skf21("5","6","3","6","7","5","3","1") = "6"
    & skf21("5","6","3","6","7","5","4","1") = "6"
    & skf21("5","6","3","6","7","5","5","1") = "6"
    & skf21("5","6","3","6","7","5","6","1") = "6"
    & skf21("5","6","3","6","7","5","7","1") = "6"
    & skf21("5","6","3","6","7","6","1","1") = "6"
    & skf21("5","6","3","6","7","6","2","1") = "6"
    & skf21("5","6","3","6","7","6","3","1") = "6"
    & skf21("5","6","3","6","7","6","4","1") = "6"
    & skf21("5","6","3","6","7","6","5","1") = "6"
    & skf21("5","6","3","6","7","6","6","1") = "6"
    & skf21("5","6","3","6","7","6","7","1") = "6"
    & skf21("5","6","3","6","7","7","1","1") = "6"
    & skf21("5","6","3","6","7","7","2","1") = "6"
    & skf21("5","6","3","6","7","7","3","1") = "6"
    & skf21("5","6","3","6","7","7","4","1") = "6"
    & skf21("5","6","3","6","7","7","5","1") = "6"
    & skf21("5","6","3","6","7","7","6","1") = "6"
    & skf21("5","6","3","6","7","7","7","1") = "6"
    & skf21("5","6","3","7","1","1","1","1") = "6"
    & skf21("5","6","3","7","1","1","2","1") = "6"
    & skf21("5","6","3","7","1","1","3","1") = "6"
    & skf21("5","6","3","7","1","1","4","1") = "6"
    & skf21("5","6","3","7","1","1","5","1") = "6"
    & skf21("5","6","3","7","1","1","6","1") = "6"
    & skf21("5","6","3","7","1","1","7","1") = "6"
    & skf21("5","6","3","7","1","2","1","1") = "6"
    & skf21("5","6","3","7","1","2","2","1") = "6"
    & skf21("5","6","3","7","1","2","3","1") = "6"
    & skf21("5","6","3","7","1","2","4","1") = "6"
    & skf21("5","6","3","7","1","2","5","1") = "6"
    & skf21("5","6","3","7","1","2","6","1") = "6"
    & skf21("5","6","3","7","1","2","7","1") = "6"
    & skf21("5","6","3","7","1","3","1","1") = "6"
    & skf21("5","6","3","7","1","3","2","1") = "6"
    & skf21("5","6","3","7","1","3","3","1") = "6"
    & skf21("5","6","3","7","1","3","4","1") = "6"
    & skf21("5","6","3","7","1","3","5","1") = "6"
    & skf21("5","6","3","7","1","3","6","1") = "6"
    & skf21("5","6","3","7","1","3","7","1") = "6"
    & skf21("5","6","3","7","1","4","1","1") = "6"
    & skf21("5","6","3","7","1","4","2","1") = "6"
    & skf21("5","6","3","7","1","4","3","1") = "6"
    & skf21("5","6","3","7","1","4","4","1") = "6"
    & skf21("5","6","3","7","1","4","5","1") = "6"
    & skf21("5","6","3","7","1","4","6","1") = "6"
    & skf21("5","6","3","7","1","4","7","1") = "6"
    & skf21("5","6","3","7","1","5","1","1") = "6"
    & skf21("5","6","3","7","1","5","2","1") = "6"
    & skf21("5","6","3","7","1","5","3","1") = "6"
    & skf21("5","6","3","7","1","5","4","1") = "6"
    & skf21("5","6","3","7","1","5","5","1") = "6"
    & skf21("5","6","3","7","1","5","6","1") = "6"
    & skf21("5","6","3","7","1","5","7","1") = "6"
    & skf21("5","6","3","7","1","6","1","1") = "6"
    & skf21("5","6","3","7","1","6","2","1") = "6"
    & skf21("5","6","3","7","1","6","3","1") = "6"
    & skf21("5","6","3","7","1","6","4","1") = "6"
    & skf21("5","6","3","7","1","6","5","1") = "6"
    & skf21("5","6","3","7","1","6","6","1") = "6"
    & skf21("5","6","3","7","1","6","7","1") = "6"
    & skf21("5","6","3","7","1","7","1","1") = "6"
    & skf21("5","6","3","7","1","7","2","1") = "6"
    & skf21("5","6","3","7","1","7","3","1") = "6"
    & skf21("5","6","3","7","1","7","4","1") = "6"
    & skf21("5","6","3","7","1","7","5","1") = "6"
    & skf21("5","6","3","7","1","7","6","1") = "6"
    & skf21("5","6","3","7","1","7","7","1") = "6"
    & skf21("5","6","3","7","2","1","1","1") = "6"
    & skf21("5","6","3","7","2","1","2","1") = "6"
    & skf21("5","6","3","7","2","1","3","1") = "6"
    & skf21("5","6","3","7","2","1","4","1") = "6"
    & skf21("5","6","3","7","2","1","5","1") = "6"
    & skf21("5","6","3","7","2","1","6","1") = "6"
    & skf21("5","6","3","7","2","1","7","1") = "6"
    & skf21("5","6","3","7","2","2","1","1") = "6"
    & skf21("5","6","3","7","2","2","2","1") = "6"
    & skf21("5","6","3","7","2","2","3","1") = "6"
    & skf21("5","6","3","7","2","2","4","1") = "6"
    & skf21("5","6","3","7","2","2","5","1") = "6"
    & skf21("5","6","3","7","2","2","6","1") = "6"
    & skf21("5","6","3","7","2","2","7","1") = "6"
    & skf21("5","6","3","7","2","3","1","1") = "6"
    & skf21("5","6","3","7","2","3","2","1") = "6"
    & skf21("5","6","3","7","2","3","3","1") = "6"
    & skf21("5","6","3","7","2","3","4","1") = "6"
    & skf21("5","6","3","7","2","3","5","1") = "6"
    & skf21("5","6","3","7","2","3","6","1") = "6"
    & skf21("5","6","3","7","2","3","7","1") = "6"
    & skf21("5","6","3","7","2","4","1","1") = "6"
    & skf21("5","6","3","7","2","4","2","1") = "6"
    & skf21("5","6","3","7","2","4","3","1") = "6"
    & skf21("5","6","3","7","2","4","4","1") = "6"
    & skf21("5","6","3","7","2","4","5","1") = "6"
    & skf21("5","6","3","7","2","4","6","1") = "6"
    & skf21("5","6","3","7","2","4","7","1") = "6"
    & skf21("5","6","3","7","2","5","1","1") = "6"
    & skf21("5","6","3","7","2","5","2","1") = "6"
    & skf21("5","6","3","7","2","5","3","1") = "6"
    & skf21("5","6","3","7","2","5","4","1") = "6"
    & skf21("5","6","3","7","2","5","5","1") = "6"
    & skf21("5","6","3","7","2","5","6","1") = "6"
    & skf21("5","6","3","7","2","5","7","1") = "6"
    & skf21("5","6","3","7","2","6","1","1") = "6"
    & skf21("5","6","3","7","2","6","2","1") = "6"
    & skf21("5","6","3","7","2","6","3","1") = "6"
    & skf21("5","6","3","7","2","6","4","1") = "6"
    & skf21("5","6","3","7","2","6","5","1") = "6"
    & skf21("5","6","3","7","2","6","6","1") = "6"
    & skf21("5","6","3","7","2","6","7","1") = "6"
    & skf21("5","6","3","7","2","7","1","1") = "6"
    & skf21("5","6","3","7","2","7","2","1") = "6"
    & skf21("5","6","3","7","2","7","3","1") = "6"
    & skf21("5","6","3","7","2","7","4","1") = "6"
    & skf21("5","6","3","7","2","7","5","1") = "6"
    & skf21("5","6","3","7","2","7","6","1") = "6"
    & skf21("5","6","3","7","2","7","7","1") = "6"
    & skf21("5","6","3","7","3","1","1","1") = "6"
    & skf21("5","6","3","7","3","1","2","1") = "6"
    & skf21("5","6","3","7","3","1","3","1") = "6"
    & skf21("5","6","3","7","3","1","4","1") = "6"
    & skf21("5","6","3","7","3","1","5","1") = "6"
    & skf21("5","6","3","7","3","1","6","1") = "6"
    & skf21("5","6","3","7","3","1","7","1") = "6"
    & skf21("5","6","3","7","3","2","1","1") = "6"
    & skf21("5","6","3","7","3","2","2","1") = "6"
    & skf21("5","6","3","7","3","2","3","1") = "6"
    & skf21("5","6","3","7","3","2","4","1") = "6"
    & skf21("5","6","3","7","3","2","5","1") = "6"
    & skf21("5","6","3","7","3","2","6","1") = "6"
    & skf21("5","6","3","7","3","2","7","1") = "6"
    & skf21("5","6","3","7","3","3","1","1") = "6"
    & skf21("5","6","3","7","3","3","2","1") = "6"
    & skf21("5","6","3","7","3","3","3","1") = "6"
    & skf21("5","6","3","7","3","3","4","1") = "6"
    & skf21("5","6","3","7","3","3","5","1") = "6"
    & skf21("5","6","3","7","3","3","6","1") = "6"
    & skf21("5","6","3","7","3","3","7","1") = "6"
    & skf21("5","6","3","7","3","4","1","1") = "6"
    & skf21("5","6","3","7","3","4","2","1") = "6"
    & skf21("5","6","3","7","3","4","3","1") = "6"
    & skf21("5","6","3","7","3","4","4","1") = "6"
    & skf21("5","6","3","7","3","4","5","1") = "6"
    & skf21("5","6","3","7","3","4","6","1") = "6"
    & skf21("5","6","3","7","3","4","7","1") = "6"
    & skf21("5","6","3","7","3","5","1","1") = "6"
    & skf21("5","6","3","7","3","5","2","1") = "6"
    & skf21("5","6","3","7","3","5","3","1") = "6"
    & skf21("5","6","3","7","3","5","4","1") = "6"
    & skf21("5","6","3","7","3","5","5","1") = "6"
    & skf21("5","6","3","7","3","5","6","1") = "6"
    & skf21("5","6","3","7","3","5","7","1") = "6"
    & skf21("5","6","3","7","3","6","1","1") = "6"
    & skf21("5","6","3","7","3","6","2","1") = "6"
    & skf21("5","6","3","7","3","6","3","1") = "6"
    & skf21("5","6","3","7","3","6","4","1") = "6"
    & skf21("5","6","3","7","3","6","5","1") = "6"
    & skf21("5","6","3","7","3","6","6","1") = "6"
    & skf21("5","6","3","7","3","6","7","1") = "6"
    & skf21("5","6","3","7","3","7","1","1") = "6"
    & skf21("5","6","3","7","3","7","2","1") = "6"
    & skf21("5","6","3","7","3","7","3","1") = "6"
    & skf21("5","6","3","7","3","7","4","1") = "6"
    & skf21("5","6","3","7","3","7","5","1") = "6"
    & skf21("5","6","3","7","3","7","6","1") = "6"
    & skf21("5","6","3","7","3","7","7","1") = "6"
    & skf21("5","6","3","7","4","1","1","1") = "6"
    & skf21("5","6","3","7","4","1","2","1") = "6"
    & skf21("5","6","3","7","4","1","3","1") = "6"
    & skf21("5","6","3","7","4","1","4","1") = "6"
    & skf21("5","6","3","7","4","1","5","1") = "6"
    & skf21("5","6","3","7","4","1","6","1") = "6"
    & skf21("5","6","3","7","4","1","7","1") = "6"
    & skf21("5","6","3","7","4","2","1","1") = "6"
    & skf21("5","6","3","7","4","2","2","1") = "6"
    & skf21("5","6","3","7","4","2","3","1") = "6"
    & skf21("5","6","3","7","4","2","4","1") = "6"
    & skf21("5","6","3","7","4","2","5","1") = "6"
    & skf21("5","6","3","7","4","2","6","1") = "6"
    & skf21("5","6","3","7","4","2","7","1") = "6"
    & skf21("5","6","3","7","4","3","1","1") = "6"
    & skf21("5","6","3","7","4","3","2","1") = "6"
    & skf21("5","6","3","7","4","3","3","1") = "6"
    & skf21("5","6","3","7","4","3","4","1") = "6"
    & skf21("5","6","3","7","4","3","5","1") = "6"
    & skf21("5","6","3","7","4","3","6","1") = "6"
    & skf21("5","6","3","7","4","3","7","1") = "6"
    & skf21("5","6","3","7","4","4","1","1") = "6"
    & skf21("5","6","3","7","4","4","2","1") = "6"
    & skf21("5","6","3","7","4","4","3","1") = "6"
    & skf21("5","6","3","7","4","4","4","1") = "6"
    & skf21("5","6","3","7","4","4","5","1") = "6"
    & skf21("5","6","3","7","4","4","6","1") = "6"
    & skf21("5","6","3","7","4","4","7","1") = "6"
    & skf21("5","6","3","7","4","5","1","1") = "6"
    & skf21("5","6","3","7","4","5","2","1") = "6"
    & skf21("5","6","3","7","4","5","3","1") = "6"
    & skf21("5","6","3","7","4","5","4","1") = "6"
    & skf21("5","6","3","7","4","5","5","1") = "6"
    & skf21("5","6","3","7","4","5","6","1") = "6"
    & skf21("5","6","3","7","4","5","7","1") = "6"
    & skf21("5","6","3","7","4","6","1","1") = "6"
    & skf21("5","6","3","7","4","6","2","1") = "6"
    & skf21("5","6","3","7","4","6","3","1") = "6"
    & skf21("5","6","3","7","4","6","4","1") = "6"
    & skf21("5","6","3","7","4","6","5","1") = "6"
    & skf21("5","6","3","7","4","6","6","1") = "6"
    & skf21("5","6","3","7","4","6","7","1") = "6"
    & skf21("5","6","3","7","4","7","1","1") = "6"
    & skf21("5","6","3","7","4","7","2","1") = "6"
    & skf21("5","6","3","7","4","7","3","1") = "6"
    & skf21("5","6","3","7","4","7","4","1") = "6"
    & skf21("5","6","3","7","4","7","5","1") = "6"
    & skf21("5","6","3","7","4","7","6","1") = "6"
    & skf21("5","6","3","7","4","7","7","1") = "6"
    & skf21("5","6","3","7","5","1","1","1") = "6"
    & skf21("5","6","3","7","5","1","2","1") = "6"
    & skf21("5","6","3","7","5","1","3","1") = "6"
    & skf21("5","6","3","7","5","1","4","1") = "6"
    & skf21("5","6","3","7","5","1","5","1") = "6"
    & skf21("5","6","3","7","5","1","6","1") = "6"
    & skf21("5","6","3","7","5","1","7","1") = "6"
    & skf21("5","6","3","7","5","2","1","1") = "6"
    & skf21("5","6","3","7","5","2","2","1") = "6"
    & skf21("5","6","3","7","5","2","3","1") = "6"
    & skf21("5","6","3","7","5","2","4","1") = "6"
    & skf21("5","6","3","7","5","2","5","1") = "6"
    & skf21("5","6","3","7","5","2","6","1") = "6"
    & skf21("5","6","3","7","5","2","7","1") = "6"
    & skf21("5","6","3","7","5","3","1","1") = "6"
    & skf21("5","6","3","7","5","3","2","1") = "6"
    & skf21("5","6","3","7","5","3","3","1") = "6"
    & skf21("5","6","3","7","5","3","4","1") = "6"
    & skf21("5","6","3","7","5","3","5","1") = "6"
    & skf21("5","6","3","7","5","3","6","1") = "6"
    & skf21("5","6","3","7","5","3","7","1") = "6"
    & skf21("5","6","3","7","5","4","1","1") = "6"
    & skf21("5","6","3","7","5","4","2","1") = "6"
    & skf21("5","6","3","7","5","4","3","1") = "6"
    & skf21("5","6","3","7","5","4","4","1") = "6"
    & skf21("5","6","3","7","5","4","5","1") = "6"
    & skf21("5","6","3","7","5","4","6","1") = "6"
    & skf21("5","6","3","7","5","4","7","1") = "6"
    & skf21("5","6","3","7","5","5","1","1") = "6"
    & skf21("5","6","3","7","5","5","2","1") = "6"
    & skf21("5","6","3","7","5","5","3","1") = "6"
    & skf21("5","6","3","7","5","5","4","1") = "6"
    & skf21("5","6","3","7","5","5","5","1") = "6"
    & skf21("5","6","3","7","5","5","6","1") = "6"
    & skf21("5","6","3","7","5","5","7","1") = "6"
    & skf21("5","6","3","7","5","6","1","1") = "6"
    & skf21("5","6","3","7","5","6","2","1") = "6"
    & skf21("5","6","3","7","5","6","3","1") = "6"
    & skf21("5","6","3","7","5","6","4","1") = "6"
    & skf21("5","6","3","7","5","6","5","1") = "6"
    & skf21("5","6","3","7","5","6","6","1") = "6"
    & skf21("5","6","3","7","5","6","7","1") = "6"
    & skf21("5","6","3","7","5","7","1","1") = "6"
    & skf21("5","6","3","7","5","7","2","1") = "6"
    & skf21("5","6","3","7","5","7","3","1") = "6"
    & skf21("5","6","3","7","5","7","4","1") = "6"
    & skf21("5","6","3","7","5","7","5","1") = "6"
    & skf21("5","6","3","7","5","7","6","1") = "6"
    & skf21("5","6","3","7","5","7","7","1") = "6"
    & skf21("5","6","3","7","6","1","1","1") = "6"
    & skf21("5","6","3","7","6","1","2","1") = "6"
    & skf21("5","6","3","7","6","1","3","1") = "6"
    & skf21("5","6","3","7","6","1","4","1") = "6"
    & skf21("5","6","3","7","6","1","5","1") = "6"
    & skf21("5","6","3","7","6","1","6","1") = "6"
    & skf21("5","6","3","7","6","1","7","1") = "6"
    & skf21("5","6","3","7","6","2","1","1") = "6"
    & skf21("5","6","3","7","6","2","2","1") = "6"
    & skf21("5","6","3","7","6","2","3","1") = "6"
    & skf21("5","6","3","7","6","2","4","1") = "6"
    & skf21("5","6","3","7","6","2","5","1") = "6"
    & skf21("5","6","3","7","6","2","6","1") = "6"
    & skf21("5","6","3","7","6","2","7","1") = "6"
    & skf21("5","6","3","7","6","3","1","1") = "6"
    & skf21("5","6","3","7","6","3","2","1") = "6"
    & skf21("5","6","3","7","6","3","3","1") = "6"
    & skf21("5","6","3","7","6","3","4","1") = "6"
    & skf21("5","6","3","7","6","3","5","1") = "6"
    & skf21("5","6","3","7","6","3","6","1") = "6"
    & skf21("5","6","3","7","6","3","7","1") = "6"
    & skf21("5","6","3","7","6","4","1","1") = "6"
    & skf21("5","6","3","7","6","4","2","1") = "6"
    & skf21("5","6","3","7","6","4","3","1") = "6"
    & skf21("5","6","3","7","6","4","4","1") = "6"
    & skf21("5","6","3","7","6","4","5","1") = "6"
    & skf21("5","6","3","7","6","4","6","1") = "6"
    & skf21("5","6","3","7","6","4","7","1") = "6"
    & skf21("5","6","3","7","6","5","1","1") = "6"
    & skf21("5","6","3","7","6","5","2","1") = "6"
    & skf21("5","6","3","7","6","5","3","1") = "6"
    & skf21("5","6","3","7","6","5","4","1") = "6"
    & skf21("5","6","3","7","6","5","5","1") = "6"
    & skf21("5","6","3","7","6","5","6","1") = "6"
    & skf21("5","6","3","7","6","5","7","1") = "6"
    & skf21("5","6","3","7","6","6","1","1") = "6"
    & skf21("5","6","3","7","6","6","2","1") = "6"
    & skf21("5","6","3","7","6","6","3","1") = "6"
    & skf21("5","6","3","7","6","6","4","1") = "6"
    & skf21("5","6","3","7","6","6","5","1") = "6"
    & skf21("5","6","3","7","6","6","6","1") = "6"
    & skf21("5","6","3","7","6","6","7","1") = "6"
    & skf21("5","6","3","7","6","7","1","1") = "6"
    & skf21("5","6","3","7","6","7","2","1") = "6"
    & skf21("5","6","3","7","6","7","3","1") = "6"
    & skf21("5","6","3","7","6","7","4","1") = "6"
    & skf21("5","6","3","7","6","7","5","1") = "6"
    & skf21("5","6","3","7","6","7","6","1") = "6"
    & skf21("5","6","3","7","6","7","7","1") = "6"
    & skf21("5","6","3","7","7","1","1","1") = "6"
    & skf21("5","6","3","7","7","1","2","1") = "6"
    & skf21("5","6","3","7","7","1","3","1") = "6"
    & skf21("5","6","3","7","7","1","4","1") = "6"
    & skf21("5","6","3","7","7","1","5","1") = "6"
    & skf21("5","6","3","7","7","1","6","1") = "6"
    & skf21("5","6","3","7","7","1","7","1") = "6"
    & skf21("5","6","3","7","7","2","1","1") = "6"
    & skf21("5","6","3","7","7","2","2","1") = "6"
    & skf21("5","6","3","7","7","2","3","1") = "6"
    & skf21("5","6","3","7","7","2","4","1") = "6"
    & skf21("5","6","3","7","7","2","5","1") = "6"
    & skf21("5","6","3","7","7","2","6","1") = "6"
    & skf21("5","6","3","7","7","2","7","1") = "6"
    & skf21("5","6","3","7","7","3","1","1") = "6"
    & skf21("5","6","3","7","7","3","2","1") = "6"
    & skf21("5","6","3","7","7","3","3","1") = "6"
    & skf21("5","6","3","7","7","3","4","1") = "6"
    & skf21("5","6","3","7","7","3","5","1") = "6"
    & skf21("5","6","3","7","7","3","6","1") = "6"
    & skf21("5","6","3","7","7","3","7","1") = "6"
    & skf21("5","6","3","7","7","4","1","1") = "6"
    & skf21("5","6","3","7","7","4","2","1") = "6"
    & skf21("5","6","3","7","7","4","3","1") = "6"
    & skf21("5","6","3","7","7","4","4","1") = "6"
    & skf21("5","6","3","7","7","4","5","1") = "6"
    & skf21("5","6","3","7","7","4","6","1") = "6"
    & skf21("5","6","3","7","7","4","7","1") = "6"
    & skf21("5","6","3","7","7","5","1","1") = "6"
    & skf21("5","6","3","7","7","5","2","1") = "6"
    & skf21("5","6","3","7","7","5","3","1") = "6"
    & skf21("5","6","3","7","7","5","4","1") = "6"
    & skf21("5","6","3","7","7","5","5","1") = "6"
    & skf21("5","6","3","7","7","5","6","1") = "6"
    & skf21("5","6","3","7","7","5","7","1") = "6"
    & skf21("5","6","3","7","7","6","1","1") = "6"
    & skf21("5","6","3","7","7","6","2","1") = "6"
    & skf21("5","6","3","7","7","6","3","1") = "6"
    & skf21("5","6","3","7","7","6","4","1") = "6"
    & skf21("5","6","3","7","7","6","5","1") = "6"
    & skf21("5","6","3","7","7","6","6","1") = "6"
    & skf21("5","6","3","7","7","6","7","1") = "6"
    & skf21("5","6","3","7","7","7","1","1") = "6"
    & skf21("5","6","3","7","7","7","2","1") = "6"
    & skf21("5","6","3","7","7","7","3","1") = "6"
    & skf21("5","6","3","7","7","7","4","1") = "6"
    & skf21("5","6","3","7","7","7","5","1") = "6"
    & skf21("5","6","3","7","7","7","6","1") = "6"
    & skf21("5","6","3","7","7","7","7","1") = "6"
    & skf21("5","6","4","1","1","1","1","1") = "5"
    & skf21("5","6","4","1","1","1","2","1") = "5"
    & skf21("5","6","4","1","1","1","3","1") = "5"
    & skf21("5","6","4","1","1","1","4","1") = "5"
    & skf21("5","6","4","1","1","1","5","1") = "5"
    & skf21("5","6","4","1","1","1","6","1") = "5"
    & skf21("5","6","4","1","1","1","7","1") = "6"
    & skf21("5","6","4","1","1","2","1","1") = "5"
    & skf21("5","6","4","1","1","2","2","1") = "5"
    & skf21("5","6","4","1","1","2","3","1") = "5"
    & skf21("5","6","4","1","1","2","4","1") = "5"
    & skf21("5","6","4","1","1","2","5","1") = "5"
    & skf21("5","6","4","1","1","2","6","1") = "5"
    & skf21("5","6","4","1","1","2","7","1") = "6"
    & skf21("5","6","4","1","1","3","1","1") = "5"
    & skf21("5","6","4","1","1","3","2","1") = "5"
    & skf21("5","6","4","1","1","3","3","1") = "5"
    & skf21("5","6","4","1","1","3","4","1") = "5"
    & skf21("5","6","4","1","1","3","5","1") = "5"
    & skf21("5","6","4","1","1","3","6","1") = "5"
    & skf21("5","6","4","1","1","3","7","1") = "6"
    & skf21("5","6","4","1","1","4","1","1") = "5"
    & skf21("5","6","4","1","1","4","2","1") = "5"
    & skf21("5","6","4","1","1","4","3","1") = "5"
    & skf21("5","6","4","1","1","4","4","1") = "5"
    & skf21("5","6","4","1","1","4","5","1") = "5"
    & skf21("5","6","4","1","1","4","6","1") = "5"
    & skf21("5","6","4","1","1","4","7","1") = "6"
    & skf21("5","6","4","1","1","5","1","1") = "5"
    & skf21("5","6","4","1","1","5","2","1") = "5"
    & skf21("5","6","4","1","1","5","3","1") = "5"
    & skf21("5","6","4","1","1","5","4","1") = "5"
    & skf21("5","6","4","1","1","5","5","1") = "5"
    & skf21("5","6","4","1","1","5","6","1") = "5"
    & skf21("5","6","4","1","1","5","7","1") = "6"
    & skf21("5","6","4","1","1","6","1","1") = "5"
    & skf21("5","6","4","1","1","6","2","1") = "5"
    & skf21("5","6","4","1","1","6","3","1") = "5"
    & skf21("5","6","4","1","1","6","4","1") = "5"
    & skf21("5","6","4","1","1","6","5","1") = "5"
    & skf21("5","6","4","1","1","6","6","1") = "5"
    & skf21("5","6","4","1","1","6","7","1") = "6"
    & skf21("5","6","4","1","1","7","1","1") = "6"
    & skf21("5","6","4","1","1","7","2","1") = "6"
    & skf21("5","6","4","1","1","7","3","1") = "6"
    & skf21("5","6","4","1","1","7","4","1") = "6"
    & skf21("5","6","4","1","1","7","5","1") = "6"
    & skf21("5","6","4","1","1","7","6","1") = "6"
    & skf21("5","6","4","1","1","7","7","1") = "6"
    & skf21("5","6","4","1","2","1","1","1") = "5"
    & skf21("5","6","4","1","2","1","2","1") = "5"
    & skf21("5","6","4","1","2","1","3","1") = "5"
    & skf21("5","6","4","1","2","1","4","1") = "5"
    & skf21("5","6","4","1","2","1","5","1") = "5"
    & skf21("5","6","4","1","2","1","6","1") = "5"
    & skf21("5","6","4","1","2","1","7","1") = "6"
    & skf21("5","6","4","1","2","2","1","1") = "5"
    & skf21("5","6","4","1","2","2","2","1") = "5"
    & skf21("5","6","4","1","2","2","3","1") = "5"
    & skf21("5","6","4","1","2","2","4","1") = "5"
    & skf21("5","6","4","1","2","2","5","1") = "5"
    & skf21("5","6","4","1","2","2","6","1") = "5"
    & skf21("5","6","4","1","2","2","7","1") = "6"
    & skf21("5","6","4","1","2","3","1","1") = "5"
    & skf21("5","6","4","1","2","3","2","1") = "5"
    & skf21("5","6","4","1","2","3","3","1") = "5"
    & skf21("5","6","4","1","2","3","4","1") = "5"
    & skf21("5","6","4","1","2","3","5","1") = "5"
    & skf21("5","6","4","1","2","3","6","1") = "5"
    & skf21("5","6","4","1","2","3","7","1") = "6"
    & skf21("5","6","4","1","2","4","1","1") = "5"
    & skf21("5","6","4","1","2","4","2","1") = "5"
    & skf21("5","6","4","1","2","4","3","1") = "5"
    & skf21("5","6","4","1","2","4","4","1") = "5"
    & skf21("5","6","4","1","2","4","5","1") = "5"
    & skf21("5","6","4","1","2","4","6","1") = "5"
    & skf21("5","6","4","1","2","4","7","1") = "6"
    & skf21("5","6","4","1","2","5","1","1") = "5"
    & skf21("5","6","4","1","2","5","2","1") = "5"
    & skf21("5","6","4","1","2","5","3","1") = "5"
    & skf21("5","6","4","1","2","5","4","1") = "5"
    & skf21("5","6","4","1","2","5","5","1") = "5"
    & skf21("5","6","4","1","2","5","6","1") = "5"
    & skf21("5","6","4","1","2","5","7","1") = "6"
    & skf21("5","6","4","1","2","6","1","1") = "5"
    & skf21("5","6","4","1","2","6","2","1") = "5"
    & skf21("5","6","4","1","2","6","3","1") = "5"
    & skf21("5","6","4","1","2","6","4","1") = "5"
    & skf21("5","6","4","1","2","6","5","1") = "5"
    & skf21("5","6","4","1","2","6","6","1") = "5"
    & skf21("5","6","4","1","2","6","7","1") = "6"
    & skf21("5","6","4","1","2","7","1","1") = "6"
    & skf21("5","6","4","1","2","7","2","1") = "6"
    & skf21("5","6","4","1","2","7","3","1") = "6"
    & skf21("5","6","4","1","2","7","4","1") = "6"
    & skf21("5","6","4","1","2","7","5","1") = "6"
    & skf21("5","6","4","1","2","7","6","1") = "6"
    & skf21("5","6","4","1","2","7","7","1") = "6"
    & skf21("5","6","4","1","3","1","1","1") = "5"
    & skf21("5","6","4","1","3","1","2","1") = "5"
    & skf21("5","6","4","1","3","1","3","1") = "5"
    & skf21("5","6","4","1","3","1","4","1") = "5"
    & skf21("5","6","4","1","3","1","5","1") = "5"
    & skf21("5","6","4","1","3","1","6","1") = "5"
    & skf21("5","6","4","1","3","1","7","1") = "6"
    & skf21("5","6","4","1","3","2","1","1") = "5"
    & skf21("5","6","4","1","3","2","2","1") = "5"
    & skf21("5","6","4","1","3","2","3","1") = "5"
    & skf21("5","6","4","1","3","2","4","1") = "5"
    & skf21("5","6","4","1","3","2","5","1") = "5"
    & skf21("5","6","4","1","3","2","6","1") = "5"
    & skf21("5","6","4","1","3","2","7","1") = "6"
    & skf21("5","6","4","1","3","3","1","1") = "5"
    & skf21("5","6","4","1","3","3","2","1") = "5"
    & skf21("5","6","4","1","3","3","3","1") = "5"
    & skf21("5","6","4","1","3","3","4","1") = "5"
    & skf21("5","6","4","1","3","3","5","1") = "5"
    & skf21("5","6","4","1","3","3","6","1") = "5"
    & skf21("5","6","4","1","3","3","7","1") = "6"
    & skf21("5","6","4","1","3","4","1","1") = "5"
    & skf21("5","6","4","1","3","4","2","1") = "5"
    & skf21("5","6","4","1","3","4","3","1") = "5"
    & skf21("5","6","4","1","3","4","4","1") = "5"
    & skf21("5","6","4","1","3","4","5","1") = "5"
    & skf21("5","6","4","1","3","4","6","1") = "5"
    & skf21("5","6","4","1","3","4","7","1") = "6"
    & skf21("5","6","4","1","3","5","1","1") = "5"
    & skf21("5","6","4","1","3","5","2","1") = "5"
    & skf21("5","6","4","1","3","5","3","1") = "5"
    & skf21("5","6","4","1","3","5","4","1") = "5"
    & skf21("5","6","4","1","3","5","5","1") = "5"
    & skf21("5","6","4","1","3","5","6","1") = "5"
    & skf21("5","6","4","1","3","5","7","1") = "6"
    & skf21("5","6","4","1","3","6","1","1") = "5"
    & skf21("5","6","4","1","3","6","2","1") = "5"
    & skf21("5","6","4","1","3","6","3","1") = "5"
    & skf21("5","6","4","1","3","6","4","1") = "5"
    & skf21("5","6","4","1","3","6","5","1") = "5"
    & skf21("5","6","4","1","3","6","6","1") = "5"
    & skf21("5","6","4","1","3","6","7","1") = "6"
    & skf21("5","6","4","1","3","7","1","1") = "6"
    & skf21("5","6","4","1","3","7","2","1") = "6"
    & skf21("5","6","4","1","3","7","3","1") = "6"
    & skf21("5","6","4","1","3","7","4","1") = "6"
    & skf21("5","6","4","1","3","7","5","1") = "6"
    & skf21("5","6","4","1","3","7","6","1") = "6"
    & skf21("5","6","4","1","3","7","7","1") = "6"
    & skf21("5","6","4","1","4","1","1","1") = "5"
    & skf21("5","6","4","1","4","1","2","1") = "5"
    & skf21("5","6","4","1","4","1","3","1") = "5"
    & skf21("5","6","4","1","4","1","4","1") = "5"
    & skf21("5","6","4","1","4","1","5","1") = "5"
    & skf21("5","6","4","1","4","1","6","1") = "5"
    & skf21("5","6","4","1","4","1","7","1") = "6"
    & skf21("5","6","4","1","4","2","1","1") = "5"
    & skf21("5","6","4","1","4","2","2","1") = "5"
    & skf21("5","6","4","1","4","2","3","1") = "5"
    & skf21("5","6","4","1","4","2","4","1") = "5"
    & skf21("5","6","4","1","4","2","5","1") = "5"
    & skf21("5","6","4","1","4","2","6","1") = "5"
    & skf21("5","6","4","1","4","2","7","1") = "6"
    & skf21("5","6","4","1","4","3","1","1") = "5"
    & skf21("5","6","4","1","4","3","2","1") = "5"
    & skf21("5","6","4","1","4","3","3","1") = "5"
    & skf21("5","6","4","1","4","3","4","1") = "5"
    & skf21("5","6","4","1","4","3","5","1") = "5"
    & skf21("5","6","4","1","4","3","6","1") = "5"
    & skf21("5","6","4","1","4","3","7","1") = "6"
    & skf21("5","6","4","1","4","4","1","1") = "5"
    & skf21("5","6","4","1","4","4","2","1") = "5"
    & skf21("5","6","4","1","4","4","3","1") = "5"
    & skf21("5","6","4","1","4","4","4","1") = "5"
    & skf21("5","6","4","1","4","4","5","1") = "5"
    & skf21("5","6","4","1","4","4","6","1") = "5"
    & skf21("5","6","4","1","4","4","7","1") = "6"
    & skf21("5","6","4","1","4","5","1","1") = "5"
    & skf21("5","6","4","1","4","5","2","1") = "5"
    & skf21("5","6","4","1","4","5","3","1") = "5"
    & skf21("5","6","4","1","4","5","4","1") = "5"
    & skf21("5","6","4","1","4","5","5","1") = "5"
    & skf21("5","6","4","1","4","5","6","1") = "5"
    & skf21("5","6","4","1","4","5","7","1") = "6"
    & skf21("5","6","4","1","4","6","1","1") = "5"
    & skf21("5","6","4","1","4","6","2","1") = "5"
    & skf21("5","6","4","1","4","6","3","1") = "5"
    & skf21("5","6","4","1","4","6","4","1") = "5"
    & skf21("5","6","4","1","4","6","5","1") = "5"
    & skf21("5","6","4","1","4","6","6","1") = "5"
    & skf21("5","6","4","1","4","6","7","1") = "6"
    & skf21("5","6","4","1","4","7","1","1") = "6"
    & skf21("5","6","4","1","4","7","2","1") = "6"
    & skf21("5","6","4","1","4","7","3","1") = "6"
    & skf21("5","6","4","1","4","7","4","1") = "6"
    & skf21("5","6","4","1","4","7","5","1") = "6"
    & skf21("5","6","4","1","4","7","6","1") = "6"
    & skf21("5","6","4","1","4","7","7","1") = "6"
    & skf21("5","6","4","1","5","1","1","1") = "5"
    & skf21("5","6","4","1","5","1","2","1") = "5"
    & skf21("5","6","4","1","5","1","3","1") = "5"
    & skf21("5","6","4","1","5","1","4","1") = "5"
    & skf21("5","6","4","1","5","1","5","1") = "5"
    & skf21("5","6","4","1","5","1","6","1") = "5"
    & skf21("5","6","4","1","5","1","7","1") = "6"
    & skf21("5","6","4","1","5","2","1","1") = "5"
    & skf21("5","6","4","1","5","2","2","1") = "5"
    & skf21("5","6","4","1","5","2","3","1") = "5"
    & skf21("5","6","4","1","5","2","4","1") = "5"
    & skf21("5","6","4","1","5","2","5","1") = "5"
    & skf21("5","6","4","1","5","2","6","1") = "5"
    & skf21("5","6","4","1","5","2","7","1") = "6"
    & skf21("5","6","4","1","5","3","1","1") = "5"
    & skf21("5","6","4","1","5","3","2","1") = "5"
    & skf21("5","6","4","1","5","3","3","1") = "5"
    & skf21("5","6","4","1","5","3","4","1") = "5"
    & skf21("5","6","4","1","5","3","5","1") = "5"
    & skf21("5","6","4","1","5","3","6","1") = "5"
    & skf21("5","6","4","1","5","3","7","1") = "6"
    & skf21("5","6","4","1","5","4","1","1") = "5"
    & skf21("5","6","4","1","5","4","2","1") = "5"
    & skf21("5","6","4","1","5","4","3","1") = "5"
    & skf21("5","6","4","1","5","4","4","1") = "5"
    & skf21("5","6","4","1","5","4","5","1") = "5"
    & skf21("5","6","4","1","5","4","6","1") = "5"
    & skf21("5","6","4","1","5","4","7","1") = "6"
    & skf21("5","6","4","1","5","5","1","1") = "5"
    & skf21("5","6","4","1","5","5","2","1") = "5"
    & skf21("5","6","4","1","5","5","3","1") = "5"
    & skf21("5","6","4","1","5","5","4","1") = "5"
    & skf21("5","6","4","1","5","5","5","1") = "5"
    & skf21("5","6","4","1","5","5","6","1") = "5"
    & skf21("5","6","4","1","5","5","7","1") = "6"
    & skf21("5","6","4","1","5","6","1","1") = "5"
    & skf21("5","6","4","1","5","6","2","1") = "5"
    & skf21("5","6","4","1","5","6","3","1") = "5"
    & skf21("5","6","4","1","5","6","4","1") = "5"
    & skf21("5","6","4","1","5","6","5","1") = "5"
    & skf21("5","6","4","1","5","6","6","1") = "5"
    & skf21("5","6","4","1","5","6","7","1") = "6"
    & skf21("5","6","4","1","5","7","1","1") = "6"
    & skf21("5","6","4","1","5","7","2","1") = "6"
    & skf21("5","6","4","1","5","7","3","1") = "6"
    & skf21("5","6","4","1","5","7","4","1") = "6"
    & skf21("5","6","4","1","5","7","5","1") = "6"
    & skf21("5","6","4","1","5","7","6","1") = "6"
    & skf21("5","6","4","1","5","7","7","1") = "6"
    & skf21("5","6","4","1","6","1","1","1") = "5"
    & skf21("5","6","4","1","6","1","2","1") = "5"
    & skf21("5","6","4","1","6","1","3","1") = "5"
    & skf21("5","6","4","1","6","1","4","1") = "5"
    & skf21("5","6","4","1","6","1","5","1") = "5"
    & skf21("5","6","4","1","6","1","6","1") = "5"
    & skf21("5","6","4","1","6","1","7","1") = "6"
    & skf21("5","6","4","1","6","2","1","1") = "5"
    & skf21("5","6","4","1","6","2","2","1") = "5"
    & skf21("5","6","4","1","6","2","3","1") = "5"
    & skf21("5","6","4","1","6","2","4","1") = "5"
    & skf21("5","6","4","1","6","2","5","1") = "5"
    & skf21("5","6","4","1","6","2","6","1") = "5"
    & skf21("5","6","4","1","6","2","7","1") = "6"
    & skf21("5","6","4","1","6","3","1","1") = "5"
    & skf21("5","6","4","1","6","3","2","1") = "5"
    & skf21("5","6","4","1","6","3","3","1") = "5"
    & skf21("5","6","4","1","6","3","4","1") = "5"
    & skf21("5","6","4","1","6","3","5","1") = "5"
    & skf21("5","6","4","1","6","3","6","1") = "5"
    & skf21("5","6","4","1","6","3","7","1") = "6"
    & skf21("5","6","4","1","6","4","1","1") = "5"
    & skf21("5","6","4","1","6","4","2","1") = "5"
    & skf21("5","6","4","1","6","4","3","1") = "5"
    & skf21("5","6","4","1","6","4","4","1") = "5"
    & skf21("5","6","4","1","6","4","5","1") = "5"
    & skf21("5","6","4","1","6","4","6","1") = "5"
    & skf21("5","6","4","1","6","4","7","1") = "6"
    & skf21("5","6","4","1","6","5","1","1") = "5"
    & skf21("5","6","4","1","6","5","2","1") = "5"
    & skf21("5","6","4","1","6","5","3","1") = "5"
    & skf21("5","6","4","1","6","5","4","1") = "5"
    & skf21("5","6","4","1","6","5","5","1") = "5"
    & skf21("5","6","4","1","6","5","6","1") = "5"
    & skf21("5","6","4","1","6","5","7","1") = "6"
    & skf21("5","6","4","1","6","6","1","1") = "5"
    & skf21("5","6","4","1","6","6","2","1") = "5"
    & skf21("5","6","4","1","6","6","3","1") = "5"
    & skf21("5","6","4","1","6","6","4","1") = "5"
    & skf21("5","6","4","1","6","6","5","1") = "5"
    & skf21("5","6","4","1","6","6","6","1") = "5"
    & skf21("5","6","4","1","6","6","7","1") = "6"
    & skf21("5","6","4","1","6","7","1","1") = "6"
    & skf21("5","6","4","1","6","7","2","1") = "6"
    & skf21("5","6","4","1","6","7","3","1") = "6"
    & skf21("5","6","4","1","6","7","4","1") = "6"
    & skf21("5","6","4","1","6","7","5","1") = "6"
    & skf21("5","6","4","1","6","7","6","1") = "6"
    & skf21("5","6","4","1","6","7","7","1") = "6"
    & skf21("5","6","4","1","7","1","1","1") = "6"
    & skf21("5","6","4","1","7","1","2","1") = "6"
    & skf21("5","6","4","1","7","1","3","1") = "6"
    & skf21("5","6","4","1","7","1","4","1") = "6"
    & skf21("5","6","4","1","7","1","5","1") = "6"
    & skf21("5","6","4","1","7","1","6","1") = "6"
    & skf21("5","6","4","1","7","1","7","1") = "6"
    & skf21("5","6","4","1","7","2","1","1") = "6"
    & skf21("5","6","4","1","7","2","2","1") = "6"
    & skf21("5","6","4","1","7","2","3","1") = "6"
    & skf21("5","6","4","1","7","2","4","1") = "6"
    & skf21("5","6","4","1","7","2","5","1") = "6"
    & skf21("5","6","4","1","7","2","6","1") = "6"
    & skf21("5","6","4","1","7","2","7","1") = "6"
    & skf21("5","6","4","1","7","3","1","1") = "6"
    & skf21("5","6","4","1","7","3","2","1") = "6"
    & skf21("5","6","4","1","7","3","3","1") = "6"
    & skf21("5","6","4","1","7","3","4","1") = "6"
    & skf21("5","6","4","1","7","3","5","1") = "6"
    & skf21("5","6","4","1","7","3","6","1") = "6"
    & skf21("5","6","4","1","7","3","7","1") = "6"
    & skf21("5","6","4","1","7","4","1","1") = "6"
    & skf21("5","6","4","1","7","4","2","1") = "6"
    & skf21("5","6","4","1","7","4","3","1") = "6"
    & skf21("5","6","4","1","7","4","4","1") = "6"
    & skf21("5","6","4","1","7","4","5","1") = "6"
    & skf21("5","6","4","1","7","4","6","1") = "6"
    & skf21("5","6","4","1","7","4","7","1") = "6"
    & skf21("5","6","4","1","7","5","1","1") = "6"
    & skf21("5","6","4","1","7","5","2","1") = "6"
    & skf21("5","6","4","1","7","5","3","1") = "6"
    & skf21("5","6","4","1","7","5","4","1") = "6"
    & skf21("5","6","4","1","7","5","5","1") = "6"
    & skf21("5","6","4","1","7","5","6","1") = "6"
    & skf21("5","6","4","1","7","5","7","1") = "6"
    & skf21("5","6","4","1","7","6","1","1") = "6"
    & skf21("5","6","4","1","7","6","2","1") = "6"
    & skf21("5","6","4","1","7","6","3","1") = "6"
    & skf21("5","6","4","1","7","6","4","1") = "6"
    & skf21("5","6","4","1","7","6","5","1") = "6"
    & skf21("5","6","4","1","7","6","6","1") = "6"
    & skf21("5","6","4","1","7","6","7","1") = "6"
    & skf21("5","6","4","1","7","7","1","1") = "6"
    & skf21("5","6","4","1","7","7","2","1") = "6"
    & skf21("5","6","4","1","7","7","3","1") = "6"
    & skf21("5","6","4","1","7","7","4","1") = "6"
    & skf21("5","6","4","1","7","7","5","1") = "6"
    & skf21("5","6","4","1","7","7","6","1") = "6"
    & skf21("5","6","4","1","7","7","7","1") = "6"
    & skf21("5","6","4","2","1","1","1","1") = "5"
    & skf21("5","6","4","2","1","1","2","1") = "5"
    & skf21("5","6","4","2","1","1","3","1") = "5"
    & skf21("5","6","4","2","1","1","4","1") = "5"
    & skf21("5","6","4","2","1","1","5","1") = "5"
    & skf21("5","6","4","2","1","1","6","1") = "5"
    & skf21("5","6","4","2","1","1","7","1") = "6"
    & skf21("5","6","4","2","1","2","1","1") = "5"
    & skf21("5","6","4","2","1","2","2","1") = "5"
    & skf21("5","6","4","2","1","2","3","1") = "5"
    & skf21("5","6","4","2","1","2","4","1") = "5"
    & skf21("5","6","4","2","1","2","5","1") = "5"
    & skf21("5","6","4","2","1","2","6","1") = "5"
    & skf21("5","6","4","2","1","2","7","1") = "6"
    & skf21("5","6","4","2","1","3","1","1") = "5"
    & skf21("5","6","4","2","1","3","2","1") = "5"
    & skf21("5","6","4","2","1","3","3","1") = "5"
    & skf21("5","6","4","2","1","3","4","1") = "5"
    & skf21("5","6","4","2","1","3","5","1") = "5"
    & skf21("5","6","4","2","1","3","6","1") = "5"
    & skf21("5","6","4","2","1","3","7","1") = "6"
    & skf21("5","6","4","2","1","4","1","1") = "5"
    & skf21("5","6","4","2","1","4","2","1") = "5"
    & skf21("5","6","4","2","1","4","3","1") = "5"
    & skf21("5","6","4","2","1","4","4","1") = "5"
    & skf21("5","6","4","2","1","4","5","1") = "5"
    & skf21("5","6","4","2","1","4","6","1") = "5"
    & skf21("5","6","4","2","1","4","7","1") = "6"
    & skf21("5","6","4","2","1","5","1","1") = "5"
    & skf21("5","6","4","2","1","5","2","1") = "5"
    & skf21("5","6","4","2","1","5","3","1") = "5"
    & skf21("5","6","4","2","1","5","4","1") = "5"
    & skf21("5","6","4","2","1","5","5","1") = "5"
    & skf21("5","6","4","2","1","5","6","1") = "5"
    & skf21("5","6","4","2","1","5","7","1") = "6"
    & skf21("5","6","4","2","1","6","1","1") = "5"
    & skf21("5","6","4","2","1","6","2","1") = "5"
    & skf21("5","6","4","2","1","6","3","1") = "5"
    & skf21("5","6","4","2","1","6","4","1") = "5"
    & skf21("5","6","4","2","1","6","5","1") = "5"
    & skf21("5","6","4","2","1","6","6","1") = "5"
    & skf21("5","6","4","2","1","6","7","1") = "6"
    & skf21("5","6","4","2","1","7","1","1") = "6"
    & skf21("5","6","4","2","1","7","2","1") = "6"
    & skf21("5","6","4","2","1","7","3","1") = "6"
    & skf21("5","6","4","2","1","7","4","1") = "6"
    & skf21("5","6","4","2","1","7","5","1") = "6"
    & skf21("5","6","4","2","1","7","6","1") = "6"
    & skf21("5","6","4","2","1","7","7","1") = "6"
    & skf21("5","6","4","2","2","1","1","1") = "5"
    & skf21("5","6","4","2","2","1","2","1") = "5"
    & skf21("5","6","4","2","2","1","3","1") = "5"
    & skf21("5","6","4","2","2","1","4","1") = "5"
    & skf21("5","6","4","2","2","1","5","1") = "5"
    & skf21("5","6","4","2","2","1","6","1") = "5"
    & skf21("5","6","4","2","2","1","7","1") = "6"
    & skf21("5","6","4","2","2","2","1","1") = "5"
    & skf21("5","6","4","2","2","2","2","1") = "5"
    & skf21("5","6","4","2","2","2","3","1") = "5"
    & skf21("5","6","4","2","2","2","4","1") = "5"
    & skf21("5","6","4","2","2","2","5","1") = "5"
    & skf21("5","6","4","2","2","2","6","1") = "5"
    & skf21("5","6","4","2","2","2","7","1") = "6"
    & skf21("5","6","4","2","2","3","1","1") = "5"
    & skf21("5","6","4","2","2","3","2","1") = "5"
    & skf21("5","6","4","2","2","3","3","1") = "5"
    & skf21("5","6","4","2","2","3","4","1") = "5"
    & skf21("5","6","4","2","2","3","5","1") = "5"
    & skf21("5","6","4","2","2","3","6","1") = "5"
    & skf21("5","6","4","2","2","3","7","1") = "6"
    & skf21("5","6","4","2","2","4","1","1") = "5"
    & skf21("5","6","4","2","2","4","2","1") = "5"
    & skf21("5","6","4","2","2","4","3","1") = "5"
    & skf21("5","6","4","2","2","4","4","1") = "5"
    & skf21("5","6","4","2","2","4","5","1") = "5"
    & skf21("5","6","4","2","2","4","6","1") = "5"
    & skf21("5","6","4","2","2","4","7","1") = "6"
    & skf21("5","6","4","2","2","5","1","1") = "5"
    & skf21("5","6","4","2","2","5","2","1") = "5"
    & skf21("5","6","4","2","2","5","3","1") = "5"
    & skf21("5","6","4","2","2","5","4","1") = "5"
    & skf21("5","6","4","2","2","5","5","1") = "5"
    & skf21("5","6","4","2","2","5","6","1") = "5"
    & skf21("5","6","4","2","2","5","7","1") = "6"
    & skf21("5","6","4","2","2","6","1","1") = "5"
    & skf21("5","6","4","2","2","6","2","1") = "5"
    & skf21("5","6","4","2","2","6","3","1") = "5"
    & skf21("5","6","4","2","2","6","4","1") = "5"
    & skf21("5","6","4","2","2","6","5","1") = "5"
    & skf21("5","6","4","2","2","6","6","1") = "5"
    & skf21("5","6","4","2","2","6","7","1") = "6"
    & skf21("5","6","4","2","2","7","1","1") = "6"
    & skf21("5","6","4","2","2","7","2","1") = "6"
    & skf21("5","6","4","2","2","7","3","1") = "6"
    & skf21("5","6","4","2","2","7","4","1") = "6"
    & skf21("5","6","4","2","2","7","5","1") = "6"
    & skf21("5","6","4","2","2","7","6","1") = "6"
    & skf21("5","6","4","2","2","7","7","1") = "6"
    & skf21("5","6","4","2","3","1","1","1") = "5"
    & skf21("5","6","4","2","3","1","2","1") = "5"
    & skf21("5","6","4","2","3","1","3","1") = "5"
    & skf21("5","6","4","2","3","1","4","1") = "5"
    & skf21("5","6","4","2","3","1","5","1") = "5"
    & skf21("5","6","4","2","3","1","6","1") = "5"
    & skf21("5","6","4","2","3","1","7","1") = "6"
    & skf21("5","6","4","2","3","2","1","1") = "5"
    & skf21("5","6","4","2","3","2","2","1") = "5"
    & skf21("5","6","4","2","3","2","3","1") = "5"
    & skf21("5","6","4","2","3","2","4","1") = "5"
    & skf21("5","6","4","2","3","2","5","1") = "5"
    & skf21("5","6","4","2","3","2","6","1") = "5"
    & skf21("5","6","4","2","3","2","7","1") = "6"
    & skf21("5","6","4","2","3","3","1","1") = "5"
    & skf21("5","6","4","2","3","3","2","1") = "5"
    & skf21("5","6","4","2","3","3","3","1") = "5"
    & skf21("5","6","4","2","3","3","4","1") = "5"
    & skf21("5","6","4","2","3","3","5","1") = "5"
    & skf21("5","6","4","2","3","3","6","1") = "5"
    & skf21("5","6","4","2","3","3","7","1") = "6"
    & skf21("5","6","4","2","3","4","1","1") = "5"
    & skf21("5","6","4","2","3","4","2","1") = "5"
    & skf21("5","6","4","2","3","4","3","1") = "5"
    & skf21("5","6","4","2","3","4","4","1") = "5"
    & skf21("5","6","4","2","3","4","5","1") = "5"
    & skf21("5","6","4","2","3","4","6","1") = "5"
    & skf21("5","6","4","2","3","4","7","1") = "6"
    & skf21("5","6","4","2","3","5","1","1") = "5"
    & skf21("5","6","4","2","3","5","2","1") = "5"
    & skf21("5","6","4","2","3","5","3","1") = "5"
    & skf21("5","6","4","2","3","5","4","1") = "5"
    & skf21("5","6","4","2","3","5","5","1") = "5"
    & skf21("5","6","4","2","3","5","6","1") = "5"
    & skf21("5","6","4","2","3","5","7","1") = "6"
    & skf21("5","6","4","2","3","6","1","1") = "5"
    & skf21("5","6","4","2","3","6","2","1") = "5"
    & skf21("5","6","4","2","3","6","3","1") = "5"
    & skf21("5","6","4","2","3","6","4","1") = "5"
    & skf21("5","6","4","2","3","6","5","1") = "5"
    & skf21("5","6","4","2","3","6","6","1") = "5"
    & skf21("5","6","4","2","3","6","7","1") = "6"
    & skf21("5","6","4","2","3","7","1","1") = "6"
    & skf21("5","6","4","2","3","7","2","1") = "6"
    & skf21("5","6","4","2","3","7","3","1") = "6"
    & skf21("5","6","4","2","3","7","4","1") = "6"
    & skf21("5","6","4","2","3","7","5","1") = "6"
    & skf21("5","6","4","2","3","7","6","1") = "6"
    & skf21("5","6","4","2","3","7","7","1") = "6"
    & skf21("5","6","4","2","4","1","1","1") = "5"
    & skf21("5","6","4","2","4","1","2","1") = "5"
    & skf21("5","6","4","2","4","1","3","1") = "5"
    & skf21("5","6","4","2","4","1","4","1") = "5"
    & skf21("5","6","4","2","4","1","5","1") = "5"
    & skf21("5","6","4","2","4","1","6","1") = "5"
    & skf21("5","6","4","2","4","1","7","1") = "6"
    & skf21("5","6","4","2","4","2","1","1") = "5"
    & skf21("5","6","4","2","4","2","2","1") = "5"
    & skf21("5","6","4","2","4","2","3","1") = "5"
    & skf21("5","6","4","2","4","2","4","1") = "5"
    & skf21("5","6","4","2","4","2","5","1") = "5"
    & skf21("5","6","4","2","4","2","6","1") = "5"
    & skf21("5","6","4","2","4","2","7","1") = "6"
    & skf21("5","6","4","2","4","3","1","1") = "5"
    & skf21("5","6","4","2","4","3","2","1") = "5"
    & skf21("5","6","4","2","4","3","3","1") = "5"
    & skf21("5","6","4","2","4","3","4","1") = "5"
    & skf21("5","6","4","2","4","3","5","1") = "5"
    & skf21("5","6","4","2","4","3","6","1") = "5"
    & skf21("5","6","4","2","4","3","7","1") = "6"
    & skf21("5","6","4","2","4","4","1","1") = "5"
    & skf21("5","6","4","2","4","4","2","1") = "5"
    & skf21("5","6","4","2","4","4","3","1") = "5"
    & skf21("5","6","4","2","4","4","4","1") = "5"
    & skf21("5","6","4","2","4","4","5","1") = "5"
    & skf21("5","6","4","2","4","4","6","1") = "5"
    & skf21("5","6","4","2","4","4","7","1") = "6"
    & skf21("5","6","4","2","4","5","1","1") = "5"
    & skf21("5","6","4","2","4","5","2","1") = "5"
    & skf21("5","6","4","2","4","5","3","1") = "5"
    & skf21("5","6","4","2","4","5","4","1") = "5"
    & skf21("5","6","4","2","4","5","5","1") = "5"
    & skf21("5","6","4","2","4","5","6","1") = "5"
    & skf21("5","6","4","2","4","5","7","1") = "6"
    & skf21("5","6","4","2","4","6","1","1") = "5"
    & skf21("5","6","4","2","4","6","2","1") = "5"
    & skf21("5","6","4","2","4","6","3","1") = "5"
    & skf21("5","6","4","2","4","6","4","1") = "5"
    & skf21("5","6","4","2","4","6","5","1") = "5"
    & skf21("5","6","4","2","4","6","6","1") = "5"
    & skf21("5","6","4","2","4","6","7","1") = "6"
    & skf21("5","6","4","2","4","7","1","1") = "6"
    & skf21("5","6","4","2","4","7","2","1") = "6"
    & skf21("5","6","4","2","4","7","3","1") = "6"
    & skf21("5","6","4","2","4","7","4","1") = "6"
    & skf21("5","6","4","2","4","7","5","1") = "6"
    & skf21("5","6","4","2","4","7","6","1") = "6"
    & skf21("5","6","4","2","4","7","7","1") = "6"
    & skf21("5","6","4","2","5","1","1","1") = "5"
    & skf21("5","6","4","2","5","1","2","1") = "5"
    & skf21("5","6","4","2","5","1","3","1") = "5"
    & skf21("5","6","4","2","5","1","4","1") = "5"
    & skf21("5","6","4","2","5","1","5","1") = "5"
    & skf21("5","6","4","2","5","1","6","1") = "5"
    & skf21("5","6","4","2","5","1","7","1") = "6"
    & skf21("5","6","4","2","5","2","1","1") = "5"
    & skf21("5","6","4","2","5","2","2","1") = "5"
    & skf21("5","6","4","2","5","2","3","1") = "5"
    & skf21("5","6","4","2","5","2","4","1") = "5"
    & skf21("5","6","4","2","5","2","5","1") = "5"
    & skf21("5","6","4","2","5","2","6","1") = "5"
    & skf21("5","6","4","2","5","2","7","1") = "6"
    & skf21("5","6","4","2","5","3","1","1") = "5"
    & skf21("5","6","4","2","5","3","2","1") = "5"
    & skf21("5","6","4","2","5","3","3","1") = "5"
    & skf21("5","6","4","2","5","3","4","1") = "5"
    & skf21("5","6","4","2","5","3","5","1") = "5"
    & skf21("5","6","4","2","5","3","6","1") = "5"
    & skf21("5","6","4","2","5","3","7","1") = "6"
    & skf21("5","6","4","2","5","4","1","1") = "5"
    & skf21("5","6","4","2","5","4","2","1") = "5"
    & skf21("5","6","4","2","5","4","3","1") = "5"
    & skf21("5","6","4","2","5","4","4","1") = "5"
    & skf21("5","6","4","2","5","4","5","1") = "5"
    & skf21("5","6","4","2","5","4","6","1") = "5"
    & skf21("5","6","4","2","5","4","7","1") = "6"
    & skf21("5","6","4","2","5","5","1","1") = "5"
    & skf21("5","6","4","2","5","5","2","1") = "5"
    & skf21("5","6","4","2","5","5","3","1") = "5"
    & skf21("5","6","4","2","5","5","4","1") = "5"
    & skf21("5","6","4","2","5","5","5","1") = "5"
    & skf21("5","6","4","2","5","5","6","1") = "5"
    & skf21("5","6","4","2","5","5","7","1") = "6"
    & skf21("5","6","4","2","5","6","1","1") = "5"
    & skf21("5","6","4","2","5","6","2","1") = "5"
    & skf21("5","6","4","2","5","6","3","1") = "5"
    & skf21("5","6","4","2","5","6","4","1") = "5"
    & skf21("5","6","4","2","5","6","5","1") = "5"
    & skf21("5","6","4","2","5","6","6","1") = "5"
    & skf21("5","6","4","2","5","6","7","1") = "6"
    & skf21("5","6","4","2","5","7","1","1") = "6"
    & skf21("5","6","4","2","5","7","2","1") = "6"
    & skf21("5","6","4","2","5","7","3","1") = "6"
    & skf21("5","6","4","2","5","7","4","1") = "6"
    & skf21("5","6","4","2","5","7","5","1") = "6"
    & skf21("5","6","4","2","5","7","6","1") = "6"
    & skf21("5","6","4","2","5","7","7","1") = "6"
    & skf21("5","6","4","2","6","1","1","1") = "5"
    & skf21("5","6","4","2","6","1","2","1") = "5"
    & skf21("5","6","4","2","6","1","3","1") = "5"
    & skf21("5","6","4","2","6","1","4","1") = "5"
    & skf21("5","6","4","2","6","1","5","1") = "5"
    & skf21("5","6","4","2","6","1","6","1") = "5"
    & skf21("5","6","4","2","6","1","7","1") = "6"
    & skf21("5","6","4","2","6","2","1","1") = "5"
    & skf21("5","6","4","2","6","2","2","1") = "5"
    & skf21("5","6","4","2","6","2","3","1") = "5"
    & skf21("5","6","4","2","6","2","4","1") = "5"
    & skf21("5","6","4","2","6","2","5","1") = "5"
    & skf21("5","6","4","2","6","2","6","1") = "5"
    & skf21("5","6","4","2","6","2","7","1") = "6"
    & skf21("5","6","4","2","6","3","1","1") = "5"
    & skf21("5","6","4","2","6","3","2","1") = "5"
    & skf21("5","6","4","2","6","3","3","1") = "5"
    & skf21("5","6","4","2","6","3","4","1") = "5"
    & skf21("5","6","4","2","6","3","5","1") = "5"
    & skf21("5","6","4","2","6","3","6","1") = "5"
    & skf21("5","6","4","2","6","3","7","1") = "6"
    & skf21("5","6","4","2","6","4","1","1") = "5"
    & skf21("5","6","4","2","6","4","2","1") = "5"
    & skf21("5","6","4","2","6","4","3","1") = "5"
    & skf21("5","6","4","2","6","4","4","1") = "5"
    & skf21("5","6","4","2","6","4","5","1") = "5"
    & skf21("5","6","4","2","6","4","6","1") = "5"
    & skf21("5","6","4","2","6","4","7","1") = "6"
    & skf21("5","6","4","2","6","5","1","1") = "5"
    & skf21("5","6","4","2","6","5","2","1") = "5"
    & skf21("5","6","4","2","6","5","3","1") = "5"
    & skf21("5","6","4","2","6","5","4","1") = "5"
    & skf21("5","6","4","2","6","5","5","1") = "5"
    & skf21("5","6","4","2","6","5","6","1") = "5"
    & skf21("5","6","4","2","6","5","7","1") = "6"
    & skf21("5","6","4","2","6","6","1","1") = "5"
    & skf21("5","6","4","2","6","6","2","1") = "5"
    & skf21("5","6","4","2","6","6","3","1") = "5"
    & skf21("5","6","4","2","6","6","4","1") = "5"
    & skf21("5","6","4","2","6","6","5","1") = "5"
    & skf21("5","6","4","2","6","6","6","1") = "5"
    & skf21("5","6","4","2","6","6","7","1") = "6"
    & skf21("5","6","4","2","6","7","1","1") = "6"
    & skf21("5","6","4","2","6","7","2","1") = "6"
    & skf21("5","6","4","2","6","7","3","1") = "6"
    & skf21("5","6","4","2","6","7","4","1") = "6"
    & skf21("5","6","4","2","6","7","5","1") = "6"
    & skf21("5","6","4","2","6","7","6","1") = "6"
    & skf21("5","6","4","2","6","7","7","1") = "6"
    & skf21("5","6","4","2","7","1","1","1") = "6"
    & skf21("5","6","4","2","7","1","2","1") = "6"
    & skf21("5","6","4","2","7","1","3","1") = "6"
    & skf21("5","6","4","2","7","1","4","1") = "6"
    & skf21("5","6","4","2","7","1","5","1") = "6"
    & skf21("5","6","4","2","7","1","6","1") = "6"
    & skf21("5","6","4","2","7","1","7","1") = "6"
    & skf21("5","6","4","2","7","2","1","1") = "6"
    & skf21("5","6","4","2","7","2","2","1") = "6"
    & skf21("5","6","4","2","7","2","3","1") = "6"
    & skf21("5","6","4","2","7","2","4","1") = "6"
    & skf21("5","6","4","2","7","2","5","1") = "6"
    & skf21("5","6","4","2","7","2","6","1") = "6"
    & skf21("5","6","4","2","7","2","7","1") = "6"
    & skf21("5","6","4","2","7","3","1","1") = "6"
    & skf21("5","6","4","2","7","3","2","1") = "6"
    & skf21("5","6","4","2","7","3","3","1") = "6"
    & skf21("5","6","4","2","7","3","4","1") = "6"
    & skf21("5","6","4","2","7","3","5","1") = "6"
    & skf21("5","6","4","2","7","3","6","1") = "6"
    & skf21("5","6","4","2","7","3","7","1") = "6"
    & skf21("5","6","4","2","7","4","1","1") = "6"
    & skf21("5","6","4","2","7","4","2","1") = "6"
    & skf21("5","6","4","2","7","4","3","1") = "6"
    & skf21("5","6","4","2","7","4","4","1") = "6"
    & skf21("5","6","4","2","7","4","5","1") = "6"
    & skf21("5","6","4","2","7","4","6","1") = "6"
    & skf21("5","6","4","2","7","4","7","1") = "6"
    & skf21("5","6","4","2","7","5","1","1") = "6"
    & skf21("5","6","4","2","7","5","2","1") = "6"
    & skf21("5","6","4","2","7","5","3","1") = "6"
    & skf21("5","6","4","2","7","5","4","1") = "6"
    & skf21("5","6","4","2","7","5","5","1") = "6"
    & skf21("5","6","4","2","7","5","6","1") = "6"
    & skf21("5","6","4","2","7","5","7","1") = "6"
    & skf21("5","6","4","2","7","6","1","1") = "6"
    & skf21("5","6","4","2","7","6","2","1") = "6"
    & skf21("5","6","4","2","7","6","3","1") = "6"
    & skf21("5","6","4","2","7","6","4","1") = "6"
    & skf21("5","6","4","2","7","6","5","1") = "6"
    & skf21("5","6","4","2","7","6","6","1") = "6"
    & skf21("5","6","4","2","7","6","7","1") = "6"
    & skf21("5","6","4","2","7","7","1","1") = "6"
    & skf21("5","6","4","2","7","7","2","1") = "6"
    & skf21("5","6","4","2","7","7","3","1") = "6"
    & skf21("5","6","4","2","7","7","4","1") = "6"
    & skf21("5","6","4","2","7","7","5","1") = "6"
    & skf21("5","6","4","2","7","7","6","1") = "6"
    & skf21("5","6","4","2","7","7","7","1") = "6"
    & skf21("5","6","4","3","1","1","1","1") = "5"
    & skf21("5","6","4","3","1","1","2","1") = "5"
    & skf21("5","6","4","3","1","1","3","1") = "5"
    & skf21("5","6","4","3","1","1","4","1") = "5"
    & skf21("5","6","4","3","1","1","5","1") = "5"
    & skf21("5","6","4","3","1","1","6","1") = "5"
    & skf21("5","6","4","3","1","1","7","1") = "6"
    & skf21("5","6","4","3","1","2","1","1") = "5"
    & skf21("5","6","4","3","1","2","2","1") = "5"
    & skf21("5","6","4","3","1","2","3","1") = "5"
    & skf21("5","6","4","3","1","2","4","1") = "5"
    & skf21("5","6","4","3","1","2","5","1") = "5"
    & skf21("5","6","4","3","1","2","6","1") = "5"
    & skf21("5","6","4","3","1","2","7","1") = "6"
    & skf21("5","6","4","3","1","3","1","1") = "5"
    & skf21("5","6","4","3","1","3","2","1") = "5"
    & skf21("5","6","4","3","1","3","3","1") = "5"
    & skf21("5","6","4","3","1","3","4","1") = "5"
    & skf21("5","6","4","3","1","3","5","1") = "5"
    & skf21("5","6","4","3","1","3","6","1") = "5"
    & skf21("5","6","4","3","1","3","7","1") = "6"
    & skf21("5","6","4","3","1","4","1","1") = "5"
    & skf21("5","6","4","3","1","4","2","1") = "5"
    & skf21("5","6","4","3","1","4","3","1") = "5"
    & skf21("5","6","4","3","1","4","4","1") = "5"
    & skf21("5","6","4","3","1","4","5","1") = "5"
    & skf21("5","6","4","3","1","4","6","1") = "5"
    & skf21("5","6","4","3","1","4","7","1") = "6"
    & skf21("5","6","4","3","1","5","1","1") = "5"
    & skf21("5","6","4","3","1","5","2","1") = "5"
    & skf21("5","6","4","3","1","5","3","1") = "5"
    & skf21("5","6","4","3","1","5","4","1") = "5"
    & skf21("5","6","4","3","1","5","5","1") = "5"
    & skf21("5","6","4","3","1","5","6","1") = "5"
    & skf21("5","6","4","3","1","5","7","1") = "6"
    & skf21("5","6","4","3","1","6","1","1") = "5"
    & skf21("5","6","4","3","1","6","2","1") = "5"
    & skf21("5","6","4","3","1","6","3","1") = "5"
    & skf21("5","6","4","3","1","6","4","1") = "5"
    & skf21("5","6","4","3","1","6","5","1") = "5"
    & skf21("5","6","4","3","1","6","6","1") = "5"
    & skf21("5","6","4","3","1","6","7","1") = "6"
    & skf21("5","6","4","3","1","7","1","1") = "6"
    & skf21("5","6","4","3","1","7","2","1") = "6"
    & skf21("5","6","4","3","1","7","3","1") = "6"
    & skf21("5","6","4","3","1","7","4","1") = "6"
    & skf21("5","6","4","3","1","7","5","1") = "6"
    & skf21("5","6","4","3","1","7","6","1") = "6"
    & skf21("5","6","4","3","1","7","7","1") = "6"
    & skf21("5","6","4","3","2","1","1","1") = "5"
    & skf21("5","6","4","3","2","1","2","1") = "5"
    & skf21("5","6","4","3","2","1","3","1") = "5"
    & skf21("5","6","4","3","2","1","4","1") = "5"
    & skf21("5","6","4","3","2","1","5","1") = "5"
    & skf21("5","6","4","3","2","1","6","1") = "5"
    & skf21("5","6","4","3","2","1","7","1") = "6"
    & skf21("5","6","4","3","2","2","1","1") = "5"
    & skf21("5","6","4","3","2","2","2","1") = "5"
    & skf21("5","6","4","3","2","2","3","1") = "5"
    & skf21("5","6","4","3","2","2","4","1") = "5"
    & skf21("5","6","4","3","2","2","5","1") = "5"
    & skf21("5","6","4","3","2","2","6","1") = "5"
    & skf21("5","6","4","3","2","2","7","1") = "6"
    & skf21("5","6","4","3","2","3","1","1") = "5"
    & skf21("5","6","4","3","2","3","2","1") = "5"
    & skf21("5","6","4","3","2","3","3","1") = "5"
    & skf21("5","6","4","3","2","3","4","1") = "5"
    & skf21("5","6","4","3","2","3","5","1") = "5"
    & skf21("5","6","4","3","2","3","6","1") = "5"
    & skf21("5","6","4","3","2","3","7","1") = "6"
    & skf21("5","6","4","3","2","4","1","1") = "5"
    & skf21("5","6","4","3","2","4","2","1") = "5"
    & skf21("5","6","4","3","2","4","3","1") = "5"
    & skf21("5","6","4","3","2","4","4","1") = "5"
    & skf21("5","6","4","3","2","4","5","1") = "5"
    & skf21("5","6","4","3","2","4","6","1") = "5"
    & skf21("5","6","4","3","2","4","7","1") = "6"
    & skf21("5","6","4","3","2","5","1","1") = "5"
    & skf21("5","6","4","3","2","5","2","1") = "5"
    & skf21("5","6","4","3","2","5","3","1") = "5"
    & skf21("5","6","4","3","2","5","4","1") = "5"
    & skf21("5","6","4","3","2","5","5","1") = "5"
    & skf21("5","6","4","3","2","5","6","1") = "5"
    & skf21("5","6","4","3","2","5","7","1") = "6"
    & skf21("5","6","4","3","2","6","1","1") = "5"
    & skf21("5","6","4","3","2","6","2","1") = "5"
    & skf21("5","6","4","3","2","6","3","1") = "5"
    & skf21("5","6","4","3","2","6","4","1") = "5"
    & skf21("5","6","4","3","2","6","5","1") = "5"
    & skf21("5","6","4","3","2","6","6","1") = "5"
    & skf21("5","6","4","3","2","6","7","1") = "6"
    & skf21("5","6","4","3","2","7","1","1") = "6"
    & skf21("5","6","4","3","2","7","2","1") = "6"
    & skf21("5","6","4","3","2","7","3","1") = "6"
    & skf21("5","6","4","3","2","7","4","1") = "6"
    & skf21("5","6","4","3","2","7","5","1") = "6"
    & skf21("5","6","4","3","2","7","6","1") = "6"
    & skf21("5","6","4","3","2","7","7","1") = "6"
    & skf21("5","6","4","3","3","1","1","1") = "5"
    & skf21("5","6","4","3","3","1","2","1") = "5"
    & skf21("5","6","4","3","3","1","3","1") = "5"
    & skf21("5","6","4","3","3","1","4","1") = "5"
    & skf21("5","6","4","3","3","1","5","1") = "5"
    & skf21("5","6","4","3","3","1","6","1") = "5"
    & skf21("5","6","4","3","3","1","7","1") = "6"
    & skf21("5","6","4","3","3","2","1","1") = "5"
    & skf21("5","6","4","3","3","2","2","1") = "5"
    & skf21("5","6","4","3","3","2","3","1") = "5"
    & skf21("5","6","4","3","3","2","4","1") = "5"
    & skf21("5","6","4","3","3","2","5","1") = "5"
    & skf21("5","6","4","3","3","2","6","1") = "5"
    & skf21("5","6","4","3","3","2","7","1") = "6"
    & skf21("5","6","4","3","3","3","1","1") = "5"
    & skf21("5","6","4","3","3","3","2","1") = "5"
    & skf21("5","6","4","3","3","3","3","1") = "5"
    & skf21("5","6","4","3","3","3","4","1") = "5"
    & skf21("5","6","4","3","3","3","5","1") = "5"
    & skf21("5","6","4","3","3","3","6","1") = "5"
    & skf21("5","6","4","3","3","3","7","1") = "6"
    & skf21("5","6","4","3","3","4","1","1") = "5"
    & skf21("5","6","4","3","3","4","2","1") = "5"
    & skf21("5","6","4","3","3","4","3","1") = "5"
    & skf21("5","6","4","3","3","4","4","1") = "5"
    & skf21("5","6","4","3","3","4","5","1") = "5"
    & skf21("5","6","4","3","3","4","6","1") = "5"
    & skf21("5","6","4","3","3","4","7","1") = "6"
    & skf21("5","6","4","3","3","5","1","1") = "5"
    & skf21("5","6","4","3","3","5","2","1") = "5"
    & skf21("5","6","4","3","3","5","3","1") = "5"
    & skf21("5","6","4","3","3","5","4","1") = "5"
    & skf21("5","6","4","3","3","5","5","1") = "5"
    & skf21("5","6","4","3","3","5","6","1") = "5"
    & skf21("5","6","4","3","3","5","7","1") = "6"
    & skf21("5","6","4","3","3","6","1","1") = "5"
    & skf21("5","6","4","3","3","6","2","1") = "5"
    & skf21("5","6","4","3","3","6","3","1") = "5"
    & skf21("5","6","4","3","3","6","4","1") = "5"
    & skf21("5","6","4","3","3","6","5","1") = "5"
    & skf21("5","6","4","3","3","6","6","1") = "5"
    & skf21("5","6","4","3","3","6","7","1") = "6"
    & skf21("5","6","4","3","3","7","1","1") = "6"
    & skf21("5","6","4","3","3","7","2","1") = "6"
    & skf21("5","6","4","3","3","7","3","1") = "6"
    & skf21("5","6","4","3","3","7","4","1") = "6"
    & skf21("5","6","4","3","3","7","5","1") = "6"
    & skf21("5","6","4","3","3","7","6","1") = "6"
    & skf21("5","6","4","3","3","7","7","1") = "6"
    & skf21("5","6","4","3","4","1","1","1") = "5"
    & skf21("5","6","4","3","4","1","2","1") = "5"
    & skf21("5","6","4","3","4","1","3","1") = "5"
    & skf21("5","6","4","3","4","1","4","1") = "5"
    & skf21("5","6","4","3","4","1","5","1") = "5"
    & skf21("5","6","4","3","4","1","6","1") = "5"
    & skf21("5","6","4","3","4","1","7","1") = "6"
    & skf21("5","6","4","3","4","2","1","1") = "5"
    & skf21("5","6","4","3","4","2","2","1") = "5"
    & skf21("5","6","4","3","4","2","3","1") = "5"
    & skf21("5","6","4","3","4","2","4","1") = "5"
    & skf21("5","6","4","3","4","2","5","1") = "5"
    & skf21("5","6","4","3","4","2","6","1") = "5"
    & skf21("5","6","4","3","4","2","7","1") = "6"
    & skf21("5","6","4","3","4","3","1","1") = "5"
    & skf21("5","6","4","3","4","3","2","1") = "5"
    & skf21("5","6","4","3","4","3","3","1") = "5"
    & skf21("5","6","4","3","4","3","4","1") = "5"
    & skf21("5","6","4","3","4","3","5","1") = "5"
    & skf21("5","6","4","3","4","3","6","1") = "5"
    & skf21("5","6","4","3","4","3","7","1") = "6"
    & skf21("5","6","4","3","4","4","1","1") = "5"
    & skf21("5","6","4","3","4","4","2","1") = "5"
    & skf21("5","6","4","3","4","4","3","1") = "5"
    & skf21("5","6","4","3","4","4","4","1") = "5"
    & skf21("5","6","4","3","4","4","5","1") = "5"
    & skf21("5","6","4","3","4","4","6","1") = "5"
    & skf21("5","6","4","3","4","4","7","1") = "6"
    & skf21("5","6","4","3","4","5","1","1") = "5"
    & skf21("5","6","4","3","4","5","2","1") = "5"
    & skf21("5","6","4","3","4","5","3","1") = "5"
    & skf21("5","6","4","3","4","5","4","1") = "5"
    & skf21("5","6","4","3","4","5","5","1") = "5"
    & skf21("5","6","4","3","4","5","6","1") = "5"
    & skf21("5","6","4","3","4","5","7","1") = "6"
    & skf21("5","6","4","3","4","6","1","1") = "5"
    & skf21("5","6","4","3","4","6","2","1") = "5"
    & skf21("5","6","4","3","4","6","3","1") = "5"
    & skf21("5","6","4","3","4","6","4","1") = "5"
    & skf21("5","6","4","3","4","6","5","1") = "5"
    & skf21("5","6","4","3","4","6","6","1") = "5"
    & skf21("5","6","4","3","4","6","7","1") = "6"
    & skf21("5","6","4","3","4","7","1","1") = "6"
    & skf21("5","6","4","3","4","7","2","1") = "6"
    & skf21("5","6","4","3","4","7","3","1") = "6"
    & skf21("5","6","4","3","4","7","4","1") = "6"
    & skf21("5","6","4","3","4","7","5","1") = "6"
    & skf21("5","6","4","3","4","7","6","1") = "6"
    & skf21("5","6","4","3","4","7","7","1") = "6"
    & skf21("5","6","4","3","5","1","1","1") = "5"
    & skf21("5","6","4","3","5","1","2","1") = "5"
    & skf21("5","6","4","3","5","1","3","1") = "5"
    & skf21("5","6","4","3","5","1","4","1") = "5"
    & skf21("5","6","4","3","5","1","5","1") = "5"
    & skf21("5","6","4","3","5","1","6","1") = "5"
    & skf21("5","6","4","3","5","1","7","1") = "6"
    & skf21("5","6","4","3","5","2","1","1") = "5"
    & skf21("5","6","4","3","5","2","2","1") = "5"
    & skf21("5","6","4","3","5","2","3","1") = "5"
    & skf21("5","6","4","3","5","2","4","1") = "5"
    & skf21("5","6","4","3","5","2","5","1") = "5"
    & skf21("5","6","4","3","5","2","6","1") = "5"
    & skf21("5","6","4","3","5","2","7","1") = "6"
    & skf21("5","6","4","3","5","3","1","1") = "5"
    & skf21("5","6","4","3","5","3","2","1") = "5"
    & skf21("5","6","4","3","5","3","3","1") = "5"
    & skf21("5","6","4","3","5","3","4","1") = "5"
    & skf21("5","6","4","3","5","3","5","1") = "5"
    & skf21("5","6","4","3","5","3","6","1") = "5"
    & skf21("5","6","4","3","5","3","7","1") = "6"
    & skf21("5","6","4","3","5","4","1","1") = "5"
    & skf21("5","6","4","3","5","4","2","1") = "5"
    & skf21("5","6","4","3","5","4","3","1") = "5"
    & skf21("5","6","4","3","5","4","4","1") = "5"
    & skf21("5","6","4","3","5","4","5","1") = "5"
    & skf21("5","6","4","3","5","4","6","1") = "5"
    & skf21("5","6","4","3","5","4","7","1") = "6"
    & skf21("5","6","4","3","5","5","1","1") = "5"
    & skf21("5","6","4","3","5","5","2","1") = "5"
    & skf21("5","6","4","3","5","5","3","1") = "5"
    & skf21("5","6","4","3","5","5","4","1") = "5"
    & skf21("5","6","4","3","5","5","5","1") = "5"
    & skf21("5","6","4","3","5","5","6","1") = "5"
    & skf21("5","6","4","3","5","5","7","1") = "6"
    & skf21("5","6","4","3","5","6","1","1") = "5"
    & skf21("5","6","4","3","5","6","2","1") = "5"
    & skf21("5","6","4","3","5","6","3","1") = "5"
    & skf21("5","6","4","3","5","6","4","1") = "5"
    & skf21("5","6","4","3","5","6","5","1") = "5"
    & skf21("5","6","4","3","5","6","6","1") = "5"
    & skf21("5","6","4","3","5","6","7","1") = "6"
    & skf21("5","6","4","3","5","7","1","1") = "6"
    & skf21("5","6","4","3","5","7","2","1") = "6"
    & skf21("5","6","4","3","5","7","3","1") = "6"
    & skf21("5","6","4","3","5","7","4","1") = "6"
    & skf21("5","6","4","3","5","7","5","1") = "6"
    & skf21("5","6","4","3","5","7","6","1") = "6"
    & skf21("5","6","4","3","5","7","7","1") = "6"
    & skf21("5","6","4","3","6","1","1","1") = "5"
    & skf21("5","6","4","3","6","1","2","1") = "5"
    & skf21("5","6","4","3","6","1","3","1") = "5"
    & skf21("5","6","4","3","6","1","4","1") = "5"
    & skf21("5","6","4","3","6","1","5","1") = "5"
    & skf21("5","6","4","3","6","1","6","1") = "5"
    & skf21("5","6","4","3","6","1","7","1") = "6"
    & skf21("5","6","4","3","6","2","1","1") = "5"
    & skf21("5","6","4","3","6","2","2","1") = "5"
    & skf21("5","6","4","3","6","2","3","1") = "5"
    & skf21("5","6","4","3","6","2","4","1") = "5"
    & skf21("5","6","4","3","6","2","5","1") = "5"
    & skf21("5","6","4","3","6","2","6","1") = "5"
    & skf21("5","6","4","3","6","2","7","1") = "6"
    & skf21("5","6","4","3","6","3","1","1") = "5"
    & skf21("5","6","4","3","6","3","2","1") = "5"
    & skf21("5","6","4","3","6","3","3","1") = "5"
    & skf21("5","6","4","3","6","3","4","1") = "5"
    & skf21("5","6","4","3","6","3","5","1") = "5"
    & skf21("5","6","4","3","6","3","6","1") = "5"
    & skf21("5","6","4","3","6","3","7","1") = "6"
    & skf21("5","6","4","3","6","4","1","1") = "5"
    & skf21("5","6","4","3","6","4","2","1") = "5"
    & skf21("5","6","4","3","6","4","3","1") = "5"
    & skf21("5","6","4","3","6","4","4","1") = "5"
    & skf21("5","6","4","3","6","4","5","1") = "5"
    & skf21("5","6","4","3","6","4","6","1") = "5"
    & skf21("5","6","4","3","6","4","7","1") = "6"
    & skf21("5","6","4","3","6","5","1","1") = "5"
    & skf21("5","6","4","3","6","5","2","1") = "5"
    & skf21("5","6","4","3","6","5","3","1") = "5"
    & skf21("5","6","4","3","6","5","4","1") = "5"
    & skf21("5","6","4","3","6","5","5","1") = "5"
    & skf21("5","6","4","3","6","5","6","1") = "5"
    & skf21("5","6","4","3","6","5","7","1") = "6"
    & skf21("5","6","4","3","6","6","1","1") = "5"
    & skf21("5","6","4","3","6","6","2","1") = "5"
    & skf21("5","6","4","3","6","6","3","1") = "5"
    & skf21("5","6","4","3","6","6","4","1") = "5"
    & skf21("5","6","4","3","6","6","5","1") = "5"
    & skf21("5","6","4","3","6","6","6","1") = "5"
    & skf21("5","6","4","3","6","6","7","1") = "6"
    & skf21("5","6","4","3","6","7","1","1") = "6"
    & skf21("5","6","4","3","6","7","2","1") = "6"
    & skf21("5","6","4","3","6","7","3","1") = "6"
    & skf21("5","6","4","3","6","7","4","1") = "6"
    & skf21("5","6","4","3","6","7","5","1") = "6"
    & skf21("5","6","4","3","6","7","6","1") = "6"
    & skf21("5","6","4","3","6","7","7","1") = "6"
    & skf21("5","6","4","3","7","1","1","1") = "6"
    & skf21("5","6","4","3","7","1","2","1") = "6"
    & skf21("5","6","4","3","7","1","3","1") = "6"
    & skf21("5","6","4","3","7","1","4","1") = "6"
    & skf21("5","6","4","3","7","1","5","1") = "6"
    & skf21("5","6","4","3","7","1","6","1") = "6"
    & skf21("5","6","4","3","7","1","7","1") = "6"
    & skf21("5","6","4","3","7","2","1","1") = "6"
    & skf21("5","6","4","3","7","2","2","1") = "6"
    & skf21("5","6","4","3","7","2","3","1") = "6"
    & skf21("5","6","4","3","7","2","4","1") = "6"
    & skf21("5","6","4","3","7","2","5","1") = "6"
    & skf21("5","6","4","3","7","2","6","1") = "6"
    & skf21("5","6","4","3","7","2","7","1") = "6"
    & skf21("5","6","4","3","7","3","1","1") = "6"
    & skf21("5","6","4","3","7","3","2","1") = "6"
    & skf21("5","6","4","3","7","3","3","1") = "6"
    & skf21("5","6","4","3","7","3","4","1") = "6"
    & skf21("5","6","4","3","7","3","5","1") = "6"
    & skf21("5","6","4","3","7","3","6","1") = "6"
    & skf21("5","6","4","3","7","3","7","1") = "6"
    & skf21("5","6","4","3","7","4","1","1") = "6"
    & skf21("5","6","4","3","7","4","2","1") = "6"
    & skf21("5","6","4","3","7","4","3","1") = "6"
    & skf21("5","6","4","3","7","4","4","1") = "6"
    & skf21("5","6","4","3","7","4","5","1") = "6"
    & skf21("5","6","4","3","7","4","6","1") = "6"
    & skf21("5","6","4","3","7","4","7","1") = "6"
    & skf21("5","6","4","3","7","5","1","1") = "6"
    & skf21("5","6","4","3","7","5","2","1") = "6"
    & skf21("5","6","4","3","7","5","3","1") = "6"
    & skf21("5","6","4","3","7","5","4","1") = "6"
    & skf21("5","6","4","3","7","5","5","1") = "6"
    & skf21("5","6","4","3","7","5","6","1") = "6"
    & skf21("5","6","4","3","7","5","7","1") = "6"
    & skf21("5","6","4","3","7","6","1","1") = "6"
    & skf21("5","6","4","3","7","6","2","1") = "6"
    & skf21("5","6","4","3","7","6","3","1") = "6"
    & skf21("5","6","4","3","7","6","4","1") = "6"
    & skf21("5","6","4","3","7","6","5","1") = "6"
    & skf21("5","6","4","3","7","6","6","1") = "6"
    & skf21("5","6","4","3","7","6","7","1") = "6"
    & skf21("5","6","4","3","7","7","1","1") = "6"
    & skf21("5","6","4","3","7","7","2","1") = "6"
    & skf21("5","6","4","3","7","7","3","1") = "6"
    & skf21("5","6","4","3","7","7","4","1") = "6"
    & skf21("5","6","4","3","7","7","5","1") = "6"
    & skf21("5","6","4","3","7","7","6","1") = "6"
    & skf21("5","6","4","3","7","7","7","1") = "6"
    & skf21("5","6","4","4","1","1","1","1") = "5"
    & skf21("5","6","4","4","1","1","2","1") = "5"
    & skf21("5","6","4","4","1","1","3","1") = "5"
    & skf21("5","6","4","4","1","1","4","1") = "5"
    & skf21("5","6","4","4","1","1","5","1") = "5"
    & skf21("5","6","4","4","1","1","6","1") = "5"
    & skf21("5","6","4","4","1","1","7","1") = "6"
    & skf21("5","6","4","4","1","2","1","1") = "5"
    & skf21("5","6","4","4","1","2","2","1") = "5"
    & skf21("5","6","4","4","1","2","3","1") = "5"
    & skf21("5","6","4","4","1","2","4","1") = "5"
    & skf21("5","6","4","4","1","2","5","1") = "5"
    & skf21("5","6","4","4","1","2","6","1") = "5"
    & skf21("5","6","4","4","1","2","7","1") = "6"
    & skf21("5","6","4","4","1","3","1","1") = "5"
    & skf21("5","6","4","4","1","3","2","1") = "5"
    & skf21("5","6","4","4","1","3","3","1") = "5"
    & skf21("5","6","4","4","1","3","4","1") = "5"
    & skf21("5","6","4","4","1","3","5","1") = "5"
    & skf21("5","6","4","4","1","3","6","1") = "5"
    & skf21("5","6","4","4","1","3","7","1") = "6"
    & skf21("5","6","4","4","1","4","1","1") = "5"
    & skf21("5","6","4","4","1","4","2","1") = "5"
    & skf21("5","6","4","4","1","4","3","1") = "5"
    & skf21("5","6","4","4","1","4","4","1") = "5"
    & skf21("5","6","4","4","1","4","5","1") = "5"
    & skf21("5","6","4","4","1","4","6","1") = "5"
    & skf21("5","6","4","4","1","4","7","1") = "6"
    & skf21("5","6","4","4","1","5","1","1") = "5"
    & skf21("5","6","4","4","1","5","2","1") = "5"
    & skf21("5","6","4","4","1","5","3","1") = "5"
    & skf21("5","6","4","4","1","5","4","1") = "5"
    & skf21("5","6","4","4","1","5","5","1") = "5"
    & skf21("5","6","4","4","1","5","6","1") = "5"
    & skf21("5","6","4","4","1","5","7","1") = "6"
    & skf21("5","6","4","4","1","6","1","1") = "5"
    & skf21("5","6","4","4","1","6","2","1") = "5"
    & skf21("5","6","4","4","1","6","3","1") = "5"
    & skf21("5","6","4","4","1","6","4","1") = "5"
    & skf21("5","6","4","4","1","6","5","1") = "5"
    & skf21("5","6","4","4","1","6","6","1") = "5"
    & skf21("5","6","4","4","1","6","7","1") = "6"
    & skf21("5","6","4","4","1","7","1","1") = "6"
    & skf21("5","6","4","4","1","7","2","1") = "6"
    & skf21("5","6","4","4","1","7","3","1") = "6"
    & skf21("5","6","4","4","1","7","4","1") = "6"
    & skf21("5","6","4","4","1","7","5","1") = "6"
    & skf21("5","6","4","4","1","7","6","1") = "6"
    & skf21("5","6","4","4","1","7","7","1") = "6"
    & skf21("5","6","4","4","2","1","1","1") = "5"
    & skf21("5","6","4","4","2","1","2","1") = "5"
    & skf21("5","6","4","4","2","1","3","1") = "5"
    & skf21("5","6","4","4","2","1","4","1") = "5"
    & skf21("5","6","4","4","2","1","5","1") = "5"
    & skf21("5","6","4","4","2","1","6","1") = "5"
    & skf21("5","6","4","4","2","1","7","1") = "6"
    & skf21("5","6","4","4","2","2","1","1") = "5"
    & skf21("5","6","4","4","2","2","2","1") = "5"
    & skf21("5","6","4","4","2","2","3","1") = "5"
    & skf21("5","6","4","4","2","2","4","1") = "5"
    & skf21("5","6","4","4","2","2","5","1") = "5"
    & skf21("5","6","4","4","2","2","6","1") = "5"
    & skf21("5","6","4","4","2","2","7","1") = "6"
    & skf21("5","6","4","4","2","3","1","1") = "5"
    & skf21("5","6","4","4","2","3","2","1") = "5"
    & skf21("5","6","4","4","2","3","3","1") = "5"
    & skf21("5","6","4","4","2","3","4","1") = "5"
    & skf21("5","6","4","4","2","3","5","1") = "5"
    & skf21("5","6","4","4","2","3","6","1") = "5"
    & skf21("5","6","4","4","2","3","7","1") = "6"
    & skf21("5","6","4","4","2","4","1","1") = "5"
    & skf21("5","6","4","4","2","4","2","1") = "5"
    & skf21("5","6","4","4","2","4","3","1") = "5"
    & skf21("5","6","4","4","2","4","4","1") = "5"
    & skf21("5","6","4","4","2","4","5","1") = "5"
    & skf21("5","6","4","4","2","4","6","1") = "5"
    & skf21("5","6","4","4","2","4","7","1") = "6"
    & skf21("5","6","4","4","2","5","1","1") = "5"
    & skf21("5","6","4","4","2","5","2","1") = "5"
    & skf21("5","6","4","4","2","5","3","1") = "5"
    & skf21("5","6","4","4","2","5","4","1") = "5"
    & skf21("5","6","4","4","2","5","5","1") = "5"
    & skf21("5","6","4","4","2","5","6","1") = "5"
    & skf21("5","6","4","4","2","5","7","1") = "6"
    & skf21("5","6","4","4","2","6","1","1") = "5"
    & skf21("5","6","4","4","2","6","2","1") = "5"
    & skf21("5","6","4","4","2","6","3","1") = "5"
    & skf21("5","6","4","4","2","6","4","1") = "5"
    & skf21("5","6","4","4","2","6","5","1") = "5"
    & skf21("5","6","4","4","2","6","6","1") = "5"
    & skf21("5","6","4","4","2","6","7","1") = "6"
    & skf21("5","6","4","4","2","7","1","1") = "6"
    & skf21("5","6","4","4","2","7","2","1") = "6"
    & skf21("5","6","4","4","2","7","3","1") = "6"
    & skf21("5","6","4","4","2","7","4","1") = "6"
    & skf21("5","6","4","4","2","7","5","1") = "6"
    & skf21("5","6","4","4","2","7","6","1") = "6"
    & skf21("5","6","4","4","2","7","7","1") = "6"
    & skf21("5","6","4","4","3","1","1","1") = "5"
    & skf21("5","6","4","4","3","1","2","1") = "5"
    & skf21("5","6","4","4","3","1","3","1") = "5"
    & skf21("5","6","4","4","3","1","4","1") = "5"
    & skf21("5","6","4","4","3","1","5","1") = "5"
    & skf21("5","6","4","4","3","1","6","1") = "5"
    & skf21("5","6","4","4","3","1","7","1") = "6"
    & skf21("5","6","4","4","3","2","1","1") = "5"
    & skf21("5","6","4","4","3","2","2","1") = "5"
    & skf21("5","6","4","4","3","2","3","1") = "5"
    & skf21("5","6","4","4","3","2","4","1") = "5"
    & skf21("5","6","4","4","3","2","5","1") = "5"
    & skf21("5","6","4","4","3","2","6","1") = "5"
    & skf21("5","6","4","4","3","2","7","1") = "6"
    & skf21("5","6","4","4","3","3","1","1") = "5"
    & skf21("5","6","4","4","3","3","2","1") = "5"
    & skf21("5","6","4","4","3","3","3","1") = "5"
    & skf21("5","6","4","4","3","3","4","1") = "5"
    & skf21("5","6","4","4","3","3","5","1") = "5"
    & skf21("5","6","4","4","3","3","6","1") = "5"
    & skf21("5","6","4","4","3","3","7","1") = "6"
    & skf21("5","6","4","4","3","4","1","1") = "5"
    & skf21("5","6","4","4","3","4","2","1") = "5"
    & skf21("5","6","4","4","3","4","3","1") = "5"
    & skf21("5","6","4","4","3","4","4","1") = "5"
    & skf21("5","6","4","4","3","4","5","1") = "5"
    & skf21("5","6","4","4","3","4","6","1") = "5"
    & skf21("5","6","4","4","3","4","7","1") = "6"
    & skf21("5","6","4","4","3","5","1","1") = "5"
    & skf21("5","6","4","4","3","5","2","1") = "5"
    & skf21("5","6","4","4","3","5","3","1") = "5"
    & skf21("5","6","4","4","3","5","4","1") = "5"
    & skf21("5","6","4","4","3","5","5","1") = "5"
    & skf21("5","6","4","4","3","5","6","1") = "5"
    & skf21("5","6","4","4","3","5","7","1") = "6"
    & skf21("5","6","4","4","3","6","1","1") = "5"
    & skf21("5","6","4","4","3","6","2","1") = "5"
    & skf21("5","6","4","4","3","6","3","1") = "5"
    & skf21("5","6","4","4","3","6","4","1") = "5"
    & skf21("5","6","4","4","3","6","5","1") = "5"
    & skf21("5","6","4","4","3","6","6","1") = "5"
    & skf21("5","6","4","4","3","6","7","1") = "6"
    & skf21("5","6","4","4","3","7","1","1") = "6"
    & skf21("5","6","4","4","3","7","2","1") = "6"
    & skf21("5","6","4","4","3","7","3","1") = "6"
    & skf21("5","6","4","4","3","7","4","1") = "6"
    & skf21("5","6","4","4","3","7","5","1") = "6"
    & skf21("5","6","4","4","3","7","6","1") = "6"
    & skf21("5","6","4","4","3","7","7","1") = "6"
    & skf21("5","6","4","4","4","1","1","1") = "5"
    & skf21("5","6","4","4","4","1","2","1") = "5"
    & skf21("5","6","4","4","4","1","3","1") = "5"
    & skf21("5","6","4","4","4","1","4","1") = "5"
    & skf21("5","6","4","4","4","1","5","1") = "5"
    & skf21("5","6","4","4","4","1","6","1") = "5"
    & skf21("5","6","4","4","4","1","7","1") = "6"
    & skf21("5","6","4","4","4","2","1","1") = "5"
    & skf21("5","6","4","4","4","2","2","1") = "5"
    & skf21("5","6","4","4","4","2","3","1") = "5"
    & skf21("5","6","4","4","4","2","4","1") = "5"
    & skf21("5","6","4","4","4","2","5","1") = "5"
    & skf21("5","6","4","4","4","2","6","1") = "5"
    & skf21("5","6","4","4","4","2","7","1") = "6"
    & skf21("5","6","4","4","4","3","1","1") = "5"
    & skf21("5","6","4","4","4","3","2","1") = "5"
    & skf21("5","6","4","4","4","3","3","1") = "5"
    & skf21("5","6","4","4","4","3","4","1") = "5"
    & skf21("5","6","4","4","4","3","5","1") = "5"
    & skf21("5","6","4","4","4","3","6","1") = "5"
    & skf21("5","6","4","4","4","3","7","1") = "6"
    & skf21("5","6","4","4","4","4","1","1") = "5"
    & skf21("5","6","4","4","4","4","2","1") = "5"
    & skf21("5","6","4","4","4","4","3","1") = "5"
    & skf21("5","6","4","4","4","4","4","1") = "5"
    & skf21("5","6","4","4","4","4","5","1") = "5"
    & skf21("5","6","4","4","4","4","6","1") = "5"
    & skf21("5","6","4","4","4","4","7","1") = "6"
    & skf21("5","6","4","4","4","5","1","1") = "5"
    & skf21("5","6","4","4","4","5","2","1") = "5"
    & skf21("5","6","4","4","4","5","3","1") = "5"
    & skf21("5","6","4","4","4","5","4","1") = "5"
    & skf21("5","6","4","4","4","5","5","1") = "5"
    & skf21("5","6","4","4","4","5","6","1") = "5"
    & skf21("5","6","4","4","4","5","7","1") = "6"
    & skf21("5","6","4","4","4","6","1","1") = "5"
    & skf21("5","6","4","4","4","6","2","1") = "5"
    & skf21("5","6","4","4","4","6","3","1") = "5"
    & skf21("5","6","4","4","4","6","4","1") = "5"
    & skf21("5","6","4","4","4","6","5","1") = "5"
    & skf21("5","6","4","4","4","6","6","1") = "5"
    & skf21("5","6","4","4","4","6","7","1") = "6"
    & skf21("5","6","4","4","4","7","1","1") = "6"
    & skf21("5","6","4","4","4","7","2","1") = "6"
    & skf21("5","6","4","4","4","7","3","1") = "6"
    & skf21("5","6","4","4","4","7","4","1") = "6"
    & skf21("5","6","4","4","4","7","5","1") = "6"
    & skf21("5","6","4","4","4","7","6","1") = "6"
    & skf21("5","6","4","4","4","7","7","1") = "6"
    & skf21("5","6","4","4","5","1","1","1") = "5"
    & skf21("5","6","4","4","5","1","2","1") = "5"
    & skf21("5","6","4","4","5","1","3","1") = "5"
    & skf21("5","6","4","4","5","1","4","1") = "5"
    & skf21("5","6","4","4","5","1","5","1") = "5"
    & skf21("5","6","4","4","5","1","6","1") = "5"
    & skf21("5","6","4","4","5","1","7","1") = "6"
    & skf21("5","6","4","4","5","2","1","1") = "5"
    & skf21("5","6","4","4","5","2","2","1") = "5"
    & skf21("5","6","4","4","5","2","3","1") = "5"
    & skf21("5","6","4","4","5","2","4","1") = "5"
    & skf21("5","6","4","4","5","2","5","1") = "5"
    & skf21("5","6","4","4","5","2","6","1") = "5"
    & skf21("5","6","4","4","5","2","7","1") = "6"
    & skf21("5","6","4","4","5","3","1","1") = "5"
    & skf21("5","6","4","4","5","3","2","1") = "5"
    & skf21("5","6","4","4","5","3","3","1") = "5"
    & skf21("5","6","4","4","5","3","4","1") = "5"
    & skf21("5","6","4","4","5","3","5","1") = "5"
    & skf21("5","6","4","4","5","3","6","1") = "5"
    & skf21("5","6","4","4","5","3","7","1") = "6"
    & skf21("5","6","4","4","5","4","1","1") = "5"
    & skf21("5","6","4","4","5","4","2","1") = "5"
    & skf21("5","6","4","4","5","4","3","1") = "5"
    & skf21("5","6","4","4","5","4","4","1") = "5"
    & skf21("5","6","4","4","5","4","5","1") = "5"
    & skf21("5","6","4","4","5","4","6","1") = "5"
    & skf21("5","6","4","4","5","4","7","1") = "6"
    & skf21("5","6","4","4","5","5","1","1") = "5"
    & skf21("5","6","4","4","5","5","2","1") = "5"
    & skf21("5","6","4","4","5","5","3","1") = "5"
    & skf21("5","6","4","4","5","5","4","1") = "5"
    & skf21("5","6","4","4","5","5","5","1") = "5"
    & skf21("5","6","4","4","5","5","6","1") = "5"
    & skf21("5","6","4","4","5","5","7","1") = "6"
    & skf21("5","6","4","4","5","6","1","1") = "5"
    & skf21("5","6","4","4","5","6","2","1") = "5"
    & skf21("5","6","4","4","5","6","3","1") = "5"
    & skf21("5","6","4","4","5","6","4","1") = "5"
    & skf21("5","6","4","4","5","6","5","1") = "5"
    & skf21("5","6","4","4","5","6","6","1") = "5"
    & skf21("5","6","4","4","5","6","7","1") = "6"
    & skf21("5","6","4","4","5","7","1","1") = "6"
    & skf21("5","6","4","4","5","7","2","1") = "6"
    & skf21("5","6","4","4","5","7","3","1") = "6"
    & skf21("5","6","4","4","5","7","4","1") = "6"
    & skf21("5","6","4","4","5","7","5","1") = "6"
    & skf21("5","6","4","4","5","7","6","1") = "6"
    & skf21("5","6","4","4","5","7","7","1") = "6"
    & skf21("5","6","4","4","6","1","1","1") = "5"
    & skf21("5","6","4","4","6","1","2","1") = "5"
    & skf21("5","6","4","4","6","1","3","1") = "5"
    & skf21("5","6","4","4","6","1","4","1") = "5"
    & skf21("5","6","4","4","6","1","5","1") = "5"
    & skf21("5","6","4","4","6","1","6","1") = "5"
    & skf21("5","6","4","4","6","1","7","1") = "6"
    & skf21("5","6","4","4","6","2","1","1") = "5"
    & skf21("5","6","4","4","6","2","2","1") = "5"
    & skf21("5","6","4","4","6","2","3","1") = "5"
    & skf21("5","6","4","4","6","2","4","1") = "5"
    & skf21("5","6","4","4","6","2","5","1") = "5"
    & skf21("5","6","4","4","6","2","6","1") = "5"
    & skf21("5","6","4","4","6","2","7","1") = "6"
    & skf21("5","6","4","4","6","3","1","1") = "5"
    & skf21("5","6","4","4","6","3","2","1") = "5"
    & skf21("5","6","4","4","6","3","3","1") = "5"
    & skf21("5","6","4","4","6","3","4","1") = "5"
    & skf21("5","6","4","4","6","3","5","1") = "5"
    & skf21("5","6","4","4","6","3","6","1") = "5"
    & skf21("5","6","4","4","6","3","7","1") = "6"
    & skf21("5","6","4","4","6","4","1","1") = "5"
    & skf21("5","6","4","4","6","4","2","1") = "5"
    & skf21("5","6","4","4","6","4","3","1") = "5"
    & skf21("5","6","4","4","6","4","4","1") = "5"
    & skf21("5","6","4","4","6","4","5","1") = "5"
    & skf21("5","6","4","4","6","4","6","1") = "5"
    & skf21("5","6","4","4","6","4","7","1") = "6"
    & skf21("5","6","4","4","6","5","1","1") = "5"
    & skf21("5","6","4","4","6","5","2","1") = "5"
    & skf21("5","6","4","4","6","5","3","1") = "5"
    & skf21("5","6","4","4","6","5","4","1") = "5"
    & skf21("5","6","4","4","6","5","5","1") = "5"
    & skf21("5","6","4","4","6","5","6","1") = "5"
    & skf21("5","6","4","4","6","5","7","1") = "6"
    & skf21("5","6","4","4","6","6","1","1") = "5"
    & skf21("5","6","4","4","6","6","2","1") = "5"
    & skf21("5","6","4","4","6","6","3","1") = "5"
    & skf21("5","6","4","4","6","6","4","1") = "5"
    & skf21("5","6","4","4","6","6","5","1") = "5"
    & skf21("5","6","4","4","6","6","6","1") = "5"
    & skf21("5","6","4","4","6","6","7","1") = "6"
    & skf21("5","6","4","4","6","7","1","1") = "6"
    & skf21("5","6","4","4","6","7","2","1") = "6"
    & skf21("5","6","4","4","6","7","3","1") = "6"
    & skf21("5","6","4","4","6","7","4","1") = "6"
    & skf21("5","6","4","4","6","7","5","1") = "6"
    & skf21("5","6","4","4","6","7","6","1") = "6"
    & skf21("5","6","4","4","6","7","7","1") = "6"
    & skf21("5","6","4","4","7","1","1","1") = "6"
    & skf21("5","6","4","4","7","1","2","1") = "6"
    & skf21("5","6","4","4","7","1","3","1") = "6"
    & skf21("5","6","4","4","7","1","4","1") = "6"
    & skf21("5","6","4","4","7","1","5","1") = "6"
    & skf21("5","6","4","4","7","1","6","1") = "6"
    & skf21("5","6","4","4","7","1","7","1") = "6"
    & skf21("5","6","4","4","7","2","1","1") = "6"
    & skf21("5","6","4","4","7","2","2","1") = "6"
    & skf21("5","6","4","4","7","2","3","1") = "6"
    & skf21("5","6","4","4","7","2","4","1") = "6"
    & skf21("5","6","4","4","7","2","5","1") = "6"
    & skf21("5","6","4","4","7","2","6","1") = "6"
    & skf21("5","6","4","4","7","2","7","1") = "6"
    & skf21("5","6","4","4","7","3","1","1") = "6"
    & skf21("5","6","4","4","7","3","2","1") = "6"
    & skf21("5","6","4","4","7","3","3","1") = "6"
    & skf21("5","6","4","4","7","3","4","1") = "6"
    & skf21("5","6","4","4","7","3","5","1") = "6"
    & skf21("5","6","4","4","7","3","6","1") = "6"
    & skf21("5","6","4","4","7","3","7","1") = "6"
    & skf21("5","6","4","4","7","4","1","1") = "6"
    & skf21("5","6","4","4","7","4","2","1") = "6"
    & skf21("5","6","4","4","7","4","3","1") = "6"
    & skf21("5","6","4","4","7","4","4","1") = "6"
    & skf21("5","6","4","4","7","4","5","1") = "6"
    & skf21("5","6","4","4","7","4","6","1") = "6"
    & skf21("5","6","4","4","7","4","7","1") = "6"
    & skf21("5","6","4","4","7","5","1","1") = "6"
    & skf21("5","6","4","4","7","5","2","1") = "6"
    & skf21("5","6","4","4","7","5","3","1") = "6"
    & skf21("5","6","4","4","7","5","4","1") = "6"
    & skf21("5","6","4","4","7","5","5","1") = "6"
    & skf21("5","6","4","4","7","5","6","1") = "6"
    & skf21("5","6","4","4","7","5","7","1") = "6"
    & skf21("5","6","4","4","7","6","1","1") = "6"
    & skf21("5","6","4","4","7","6","2","1") = "6"
    & skf21("5","6","4","4","7","6","3","1") = "6"
    & skf21("5","6","4","4","7","6","4","1") = "6"
    & skf21("5","6","4","4","7","6","5","1") = "6"
    & skf21("5","6","4","4","7","6","6","1") = "6"
    & skf21("5","6","4","4","7","6","7","1") = "6"
    & skf21("5","6","4","4","7","7","1","1") = "6"
    & skf21("5","6","4","4","7","7","2","1") = "6"
    & skf21("5","6","4","4","7","7","3","1") = "6"
    & skf21("5","6","4","4","7","7","4","1") = "6"
    & skf21("5","6","4","4","7","7","5","1") = "6"
    & skf21("5","6","4","4","7","7","6","1") = "6"
    & skf21("5","6","4","4","7","7","7","1") = "6"
    & skf21("5","6","4","5","1","1","1","1") = "5"
    & skf21("5","6","4","5","1","1","2","1") = "5"
    & skf21("5","6","4","5","1","1","3","1") = "5"
    & skf21("5","6","4","5","1","1","4","1") = "5"
    & skf21("5","6","4","5","1","1","5","1") = "5"
    & skf21("5","6","4","5","1","1","6","1") = "5"
    & skf21("5","6","4","5","1","1","7","1") = "6"
    & skf21("5","6","4","5","1","2","1","1") = "5"
    & skf21("5","6","4","5","1","2","2","1") = "5"
    & skf21("5","6","4","5","1","2","3","1") = "5"
    & skf21("5","6","4","5","1","2","4","1") = "5"
    & skf21("5","6","4","5","1","2","5","1") = "5"
    & skf21("5","6","4","5","1","2","6","1") = "5"
    & skf21("5","6","4","5","1","2","7","1") = "6"
    & skf21("5","6","4","5","1","3","1","1") = "5"
    & skf21("5","6","4","5","1","3","2","1") = "5"
    & skf21("5","6","4","5","1","3","3","1") = "5"
    & skf21("5","6","4","5","1","3","4","1") = "5"
    & skf21("5","6","4","5","1","3","5","1") = "5"
    & skf21("5","6","4","5","1","3","6","1") = "5"
    & skf21("5","6","4","5","1","3","7","1") = "6"
    & skf21("5","6","4","5","1","4","1","1") = "5"
    & skf21("5","6","4","5","1","4","2","1") = "5"
    & skf21("5","6","4","5","1","4","3","1") = "5"
    & skf21("5","6","4","5","1","4","4","1") = "5"
    & skf21("5","6","4","5","1","4","5","1") = "5"
    & skf21("5","6","4","5","1","4","6","1") = "5"
    & skf21("5","6","4","5","1","4","7","1") = "6"
    & skf21("5","6","4","5","1","5","1","1") = "5"
    & skf21("5","6","4","5","1","5","2","1") = "5"
    & skf21("5","6","4","5","1","5","3","1") = "5"
    & skf21("5","6","4","5","1","5","4","1") = "5"
    & skf21("5","6","4","5","1","5","5","1") = "5"
    & skf21("5","6","4","5","1","5","6","1") = "5"
    & skf21("5","6","4","5","1","5","7","1") = "6"
    & skf21("5","6","4","5","1","6","1","1") = "5"
    & skf21("5","6","4","5","1","6","2","1") = "5"
    & skf21("5","6","4","5","1","6","3","1") = "5"
    & skf21("5","6","4","5","1","6","4","1") = "5"
    & skf21("5","6","4","5","1","6","5","1") = "5"
    & skf21("5","6","4","5","1","6","6","1") = "5"
    & skf21("5","6","4","5","1","6","7","1") = "6"
    & skf21("5","6","4","5","1","7","1","1") = "6"
    & skf21("5","6","4","5","1","7","2","1") = "6"
    & skf21("5","6","4","5","1","7","3","1") = "6"
    & skf21("5","6","4","5","1","7","4","1") = "6"
    & skf21("5","6","4","5","1","7","5","1") = "6"
    & skf21("5","6","4","5","1","7","6","1") = "6"
    & skf21("5","6","4","5","1","7","7","1") = "6"
    & skf21("5","6","4","5","2","1","1","1") = "5"
    & skf21("5","6","4","5","2","1","2","1") = "5"
    & skf21("5","6","4","5","2","1","3","1") = "5"
    & skf21("5","6","4","5","2","1","4","1") = "5"
    & skf21("5","6","4","5","2","1","5","1") = "5"
    & skf21("5","6","4","5","2","1","6","1") = "5"
    & skf21("5","6","4","5","2","1","7","1") = "6"
    & skf21("5","6","4","5","2","2","1","1") = "5"
    & skf21("5","6","4","5","2","2","2","1") = "5"
    & skf21("5","6","4","5","2","2","3","1") = "5"
    & skf21("5","6","4","5","2","2","4","1") = "5"
    & skf21("5","6","4","5","2","2","5","1") = "5"
    & skf21("5","6","4","5","2","2","6","1") = "5"
    & skf21("5","6","4","5","2","2","7","1") = "6"
    & skf21("5","6","4","5","2","3","1","1") = "5"
    & skf21("5","6","4","5","2","3","2","1") = "5"
    & skf21("5","6","4","5","2","3","3","1") = "5"
    & skf21("5","6","4","5","2","3","4","1") = "5"
    & skf21("5","6","4","5","2","3","5","1") = "5"
    & skf21("5","6","4","5","2","3","6","1") = "5"
    & skf21("5","6","4","5","2","3","7","1") = "6"
    & skf21("5","6","4","5","2","4","1","1") = "5"
    & skf21("5","6","4","5","2","4","2","1") = "5"
    & skf21("5","6","4","5","2","4","3","1") = "5"
    & skf21("5","6","4","5","2","4","4","1") = "5"
    & skf21("5","6","4","5","2","4","5","1") = "5"
    & skf21("5","6","4","5","2","4","6","1") = "5"
    & skf21("5","6","4","5","2","4","7","1") = "6"
    & skf21("5","6","4","5","2","5","1","1") = "5"
    & skf21("5","6","4","5","2","5","2","1") = "5"
    & skf21("5","6","4","5","2","5","3","1") = "5"
    & skf21("5","6","4","5","2","5","4","1") = "5"
    & skf21("5","6","4","5","2","5","5","1") = "5"
    & skf21("5","6","4","5","2","5","6","1") = "5"
    & skf21("5","6","4","5","2","5","7","1") = "6"
    & skf21("5","6","4","5","2","6","1","1") = "5"
    & skf21("5","6","4","5","2","6","2","1") = "5"
    & skf21("5","6","4","5","2","6","3","1") = "5"
    & skf21("5","6","4","5","2","6","4","1") = "5"
    & skf21("5","6","4","5","2","6","5","1") = "5"
    & skf21("5","6","4","5","2","6","6","1") = "5"
    & skf21("5","6","4","5","2","6","7","1") = "6"
    & skf21("5","6","4","5","2","7","1","1") = "6"
    & skf21("5","6","4","5","2","7","2","1") = "6"
    & skf21("5","6","4","5","2","7","3","1") = "6"
    & skf21("5","6","4","5","2","7","4","1") = "6"
    & skf21("5","6","4","5","2","7","5","1") = "6"
    & skf21("5","6","4","5","2","7","6","1") = "6"
    & skf21("5","6","4","5","2","7","7","1") = "6"
    & skf21("5","6","4","5","3","1","1","1") = "5"
    & skf21("5","6","4","5","3","1","2","1") = "5"
    & skf21("5","6","4","5","3","1","3","1") = "5"
    & skf21("5","6","4","5","3","1","4","1") = "5"
    & skf21("5","6","4","5","3","1","5","1") = "5"
    & skf21("5","6","4","5","3","1","6","1") = "5"
    & skf21("5","6","4","5","3","1","7","1") = "6"
    & skf21("5","6","4","5","3","2","1","1") = "5"
    & skf21("5","6","4","5","3","2","2","1") = "5"
    & skf21("5","6","4","5","3","2","3","1") = "5"
    & skf21("5","6","4","5","3","2","4","1") = "5"
    & skf21("5","6","4","5","3","2","5","1") = "5"
    & skf21("5","6","4","5","3","2","6","1") = "5"
    & skf21("5","6","4","5","3","2","7","1") = "6"
    & skf21("5","6","4","5","3","3","1","1") = "5"
    & skf21("5","6","4","5","3","3","2","1") = "5"
    & skf21("5","6","4","5","3","3","3","1") = "5"
    & skf21("5","6","4","5","3","3","4","1") = "5"
    & skf21("5","6","4","5","3","3","5","1") = "5"
    & skf21("5","6","4","5","3","3","6","1") = "5"
    & skf21("5","6","4","5","3","3","7","1") = "6"
    & skf21("5","6","4","5","3","4","1","1") = "5"
    & skf21("5","6","4","5","3","4","2","1") = "5"
    & skf21("5","6","4","5","3","4","3","1") = "5"
    & skf21("5","6","4","5","3","4","4","1") = "5"
    & skf21("5","6","4","5","3","4","5","1") = "5"
    & skf21("5","6","4","5","3","4","6","1") = "5"
    & skf21("5","6","4","5","3","4","7","1") = "6"
    & skf21("5","6","4","5","3","5","1","1") = "5"
    & skf21("5","6","4","5","3","5","2","1") = "5"
    & skf21("5","6","4","5","3","5","3","1") = "5"
    & skf21("5","6","4","5","3","5","4","1") = "5"
    & skf21("5","6","4","5","3","5","5","1") = "5"
    & skf21("5","6","4","5","3","5","6","1") = "5"
    & skf21("5","6","4","5","3","5","7","1") = "6"
    & skf21("5","6","4","5","3","6","1","1") = "5"
    & skf21("5","6","4","5","3","6","2","1") = "5"
    & skf21("5","6","4","5","3","6","3","1") = "5"
    & skf21("5","6","4","5","3","6","4","1") = "5"
    & skf21("5","6","4","5","3","6","5","1") = "5"
    & skf21("5","6","4","5","3","6","6","1") = "5"
    & skf21("5","6","4","5","3","6","7","1") = "6"
    & skf21("5","6","4","5","3","7","1","1") = "6"
    & skf21("5","6","4","5","3","7","2","1") = "6"
    & skf21("5","6","4","5","3","7","3","1") = "6"
    & skf21("5","6","4","5","3","7","4","1") = "6"
    & skf21("5","6","4","5","3","7","5","1") = "6"
    & skf21("5","6","4","5","3","7","6","1") = "6"
    & skf21("5","6","4","5","3","7","7","1") = "6"
    & skf21("5","6","4","5","4","1","1","1") = "5"
    & skf21("5","6","4","5","4","1","2","1") = "5"
    & skf21("5","6","4","5","4","1","3","1") = "5"
    & skf21("5","6","4","5","4","1","4","1") = "5"
    & skf21("5","6","4","5","4","1","5","1") = "5"
    & skf21("5","6","4","5","4","1","6","1") = "5"
    & skf21("5","6","4","5","4","1","7","1") = "6"
    & skf21("5","6","4","5","4","2","1","1") = "5"
    & skf21("5","6","4","5","4","2","2","1") = "5"
    & skf21("5","6","4","5","4","2","3","1") = "5"
    & skf21("5","6","4","5","4","2","4","1") = "5"
    & skf21("5","6","4","5","4","2","5","1") = "5"
    & skf21("5","6","4","5","4","2","6","1") = "5"
    & skf21("5","6","4","5","4","2","7","1") = "6"
    & skf21("5","6","4","5","4","3","1","1") = "5"
    & skf21("5","6","4","5","4","3","2","1") = "5"
    & skf21("5","6","4","5","4","3","3","1") = "5"
    & skf21("5","6","4","5","4","3","4","1") = "5"
    & skf21("5","6","4","5","4","3","5","1") = "5"
    & skf21("5","6","4","5","4","3","6","1") = "5"
    & skf21("5","6","4","5","4","3","7","1") = "6"
    & skf21("5","6","4","5","4","4","1","1") = "5"
    & skf21("5","6","4","5","4","4","2","1") = "5"
    & skf21("5","6","4","5","4","4","3","1") = "5"
    & skf21("5","6","4","5","4","4","4","1") = "5"
    & skf21("5","6","4","5","4","4","5","1") = "5"
    & skf21("5","6","4","5","4","4","6","1") = "5"
    & skf21("5","6","4","5","4","4","7","1") = "6"
    & skf21("5","6","4","5","4","5","1","1") = "5"
    & skf21("5","6","4","5","4","5","2","1") = "5"
    & skf21("5","6","4","5","4","5","3","1") = "5"
    & skf21("5","6","4","5","4","5","4","1") = "5"
    & skf21("5","6","4","5","4","5","5","1") = "5"
    & skf21("5","6","4","5","4","5","6","1") = "5"
    & skf21("5","6","4","5","4","5","7","1") = "6"
    & skf21("5","6","4","5","4","6","1","1") = "5"
    & skf21("5","6","4","5","4","6","2","1") = "5"
    & skf21("5","6","4","5","4","6","3","1") = "5"
    & skf21("5","6","4","5","4","6","4","1") = "5"
    & skf21("5","6","4","5","4","6","5","1") = "5"
    & skf21("5","6","4","5","4","6","6","1") = "5"
    & skf21("5","6","4","5","4","6","7","1") = "6"
    & skf21("5","6","4","5","4","7","1","1") = "6"
    & skf21("5","6","4","5","4","7","2","1") = "6"
    & skf21("5","6","4","5","4","7","3","1") = "6"
    & skf21("5","6","4","5","4","7","4","1") = "6"
    & skf21("5","6","4","5","4","7","5","1") = "6"
    & skf21("5","6","4","5","4","7","6","1") = "6"
    & skf21("5","6","4","5","4","7","7","1") = "6"
    & skf21("5","6","4","5","5","1","1","1") = "5"
    & skf21("5","6","4","5","5","1","2","1") = "5"
    & skf21("5","6","4","5","5","1","3","1") = "5"
    & skf21("5","6","4","5","5","1","4","1") = "5"
    & skf21("5","6","4","5","5","1","5","1") = "5"
    & skf21("5","6","4","5","5","1","6","1") = "5"
    & skf21("5","6","4","5","5","1","7","1") = "6"
    & skf21("5","6","4","5","5","2","1","1") = "5"
    & skf21("5","6","4","5","5","2","2","1") = "5"
    & skf21("5","6","4","5","5","2","3","1") = "5"
    & skf21("5","6","4","5","5","2","4","1") = "5"
    & skf21("5","6","4","5","5","2","5","1") = "5"
    & skf21("5","6","4","5","5","2","6","1") = "5"
    & skf21("5","6","4","5","5","2","7","1") = "6"
    & skf21("5","6","4","5","5","3","1","1") = "5"
    & skf21("5","6","4","5","5","3","2","1") = "5"
    & skf21("5","6","4","5","5","3","3","1") = "5"
    & skf21("5","6","4","5","5","3","4","1") = "5"
    & skf21("5","6","4","5","5","3","5","1") = "5"
    & skf21("5","6","4","5","5","3","6","1") = "5"
    & skf21("5","6","4","5","5","3","7","1") = "6"
    & skf21("5","6","4","5","5","4","1","1") = "5"
    & skf21("5","6","4","5","5","4","2","1") = "5"
    & skf21("5","6","4","5","5","4","3","1") = "5"
    & skf21("5","6","4","5","5","4","4","1") = "5"
    & skf21("5","6","4","5","5","4","5","1") = "5"
    & skf21("5","6","4","5","5","4","6","1") = "5"
    & skf21("5","6","4","5","5","4","7","1") = "6"
    & skf21("5","6","4","5","5","5","1","1") = "5"
    & skf21("5","6","4","5","5","5","2","1") = "5"
    & skf21("5","6","4","5","5","5","3","1") = "5"
    & skf21("5","6","4","5","5","5","4","1") = "5"
    & skf21("5","6","4","5","5","5","5","1") = "5"
    & skf21("5","6","4","5","5","5","6","1") = "5"
    & skf21("5","6","4","5","5","5","7","1") = "6"
    & skf21("5","6","4","5","5","6","1","1") = "5"
    & skf21("5","6","4","5","5","6","2","1") = "5"
    & skf21("5","6","4","5","5","6","3","1") = "5"
    & skf21("5","6","4","5","5","6","4","1") = "5"
    & skf21("5","6","4","5","5","6","5","1") = "5"
    & skf21("5","6","4","5","5","6","6","1") = "5"
    & skf21("5","6","4","5","5","6","7","1") = "6"
    & skf21("5","6","4","5","5","7","1","1") = "6"
    & skf21("5","6","4","5","5","7","2","1") = "6"
    & skf21("5","6","4","5","5","7","3","1") = "6"
    & skf21("5","6","4","5","5","7","4","1") = "6"
    & skf21("5","6","4","5","5","7","5","1") = "6"
    & skf21("5","6","4","5","5","7","6","1") = "6"
    & skf21("5","6","4","5","5","7","7","1") = "6"
    & skf21("5","6","4","5","6","1","1","1") = "5"
    & skf21("5","6","4","5","6","1","2","1") = "5"
    & skf21("5","6","4","5","6","1","3","1") = "5"
    & skf21("5","6","4","5","6","1","4","1") = "5"
    & skf21("5","6","4","5","6","1","5","1") = "5"
    & skf21("5","6","4","5","6","1","6","1") = "5"
    & skf21("5","6","4","5","6","1","7","1") = "6"
    & skf21("5","6","4","5","6","2","1","1") = "5"
    & skf21("5","6","4","5","6","2","2","1") = "5"
    & skf21("5","6","4","5","6","2","3","1") = "5"
    & skf21("5","6","4","5","6","2","4","1") = "5"
    & skf21("5","6","4","5","6","2","5","1") = "5"
    & skf21("5","6","4","5","6","2","6","1") = "5"
    & skf21("5","6","4","5","6","2","7","1") = "6"
    & skf21("5","6","4","5","6","3","1","1") = "5"
    & skf21("5","6","4","5","6","3","2","1") = "5"
    & skf21("5","6","4","5","6","3","3","1") = "5"
    & skf21("5","6","4","5","6","3","4","1") = "5"
    & skf21("5","6","4","5","6","3","5","1") = "5"
    & skf21("5","6","4","5","6","3","6","1") = "5"
    & skf21("5","6","4","5","6","3","7","1") = "6"
    & skf21("5","6","4","5","6","4","1","1") = "5"
    & skf21("5","6","4","5","6","4","2","1") = "5"
    & skf21("5","6","4","5","6","4","3","1") = "5"
    & skf21("5","6","4","5","6","4","4","1") = "5"
    & skf21("5","6","4","5","6","4","5","1") = "5"
    & skf21("5","6","4","5","6","4","6","1") = "5"
    & skf21("5","6","4","5","6","4","7","1") = "6"
    & skf21("5","6","4","5","6","5","1","1") = "5"
    & skf21("5","6","4","5","6","5","2","1") = "5"
    & skf21("5","6","4","5","6","5","3","1") = "5"
    & skf21("5","6","4","5","6","5","4","1") = "5"
    & skf21("5","6","4","5","6","5","5","1") = "5"
    & skf21("5","6","4","5","6","5","6","1") = "5"
    & skf21("5","6","4","5","6","5","7","1") = "6"
    & skf21("5","6","4","5","6","6","1","1") = "5"
    & skf21("5","6","4","5","6","6","2","1") = "5"
    & skf21("5","6","4","5","6","6","3","1") = "5"
    & skf21("5","6","4","5","6","6","4","1") = "5"
    & skf21("5","6","4","5","6","6","5","1") = "5"
    & skf21("5","6","4","5","6","6","6","1") = "5"
    & skf21("5","6","4","5","6","6","7","1") = "6"
    & skf21("5","6","4","5","6","7","1","1") = "6"
    & skf21("5","6","4","5","6","7","2","1") = "6"
    & skf21("5","6","4","5","6","7","3","1") = "6"
    & skf21("5","6","4","5","6","7","4","1") = "6"
    & skf21("5","6","4","5","6","7","5","1") = "6"
    & skf21("5","6","4","5","6","7","6","1") = "6"
    & skf21("5","6","4","5","6","7","7","1") = "6"
    & skf21("5","6","4","5","7","1","1","1") = "6"
    & skf21("5","6","4","5","7","1","2","1") = "6"
    & skf21("5","6","4","5","7","1","3","1") = "6"
    & skf21("5","6","4","5","7","1","4","1") = "6"
    & skf21("5","6","4","5","7","1","5","1") = "6"
    & skf21("5","6","4","5","7","1","6","1") = "6"
    & skf21("5","6","4","5","7","1","7","1") = "6"
    & skf21("5","6","4","5","7","2","1","1") = "6"
    & skf21("5","6","4","5","7","2","2","1") = "6"
    & skf21("5","6","4","5","7","2","3","1") = "6"
    & skf21("5","6","4","5","7","2","4","1") = "6"
    & skf21("5","6","4","5","7","2","5","1") = "6"
    & skf21("5","6","4","5","7","2","6","1") = "6"
    & skf21("5","6","4","5","7","2","7","1") = "6"
    & skf21("5","6","4","5","7","3","1","1") = "6"
    & skf21("5","6","4","5","7","3","2","1") = "6"
    & skf21("5","6","4","5","7","3","3","1") = "6"
    & skf21("5","6","4","5","7","3","4","1") = "6"
    & skf21("5","6","4","5","7","3","5","1") = "6"
    & skf21("5","6","4","5","7","3","6","1") = "6"
    & skf21("5","6","4","5","7","3","7","1") = "6"
    & skf21("5","6","4","5","7","4","1","1") = "6"
    & skf21("5","6","4","5","7","4","2","1") = "6"
    & skf21("5","6","4","5","7","4","3","1") = "6"
    & skf21("5","6","4","5","7","4","4","1") = "6"
    & skf21("5","6","4","5","7","4","5","1") = "6"
    & skf21("5","6","4","5","7","4","6","1") = "6"
    & skf21("5","6","4","5","7","4","7","1") = "6"
    & skf21("5","6","4","5","7","5","1","1") = "6"
    & skf21("5","6","4","5","7","5","2","1") = "6"
    & skf21("5","6","4","5","7","5","3","1") = "6"
    & skf21("5","6","4","5","7","5","4","1") = "6"
    & skf21("5","6","4","5","7","5","5","1") = "6"
    & skf21("5","6","4","5","7","5","6","1") = "6"
    & skf21("5","6","4","5","7","5","7","1") = "6"
    & skf21("5","6","4","5","7","6","1","1") = "6"
    & skf21("5","6","4","5","7","6","2","1") = "6"
    & skf21("5","6","4","5","7","6","3","1") = "6"
    & skf21("5","6","4","5","7","6","4","1") = "6"
    & skf21("5","6","4","5","7","6","5","1") = "6"
    & skf21("5","6","4","5","7","6","6","1") = "6"
    & skf21("5","6","4","5","7","6","7","1") = "6"
    & skf21("5","6","4","5","7","7","1","1") = "6"
    & skf21("5","6","4","5","7","7","2","1") = "6"
    & skf21("5","6","4","5","7","7","3","1") = "6"
    & skf21("5","6","4","5","7","7","4","1") = "6"
    & skf21("5","6","4","5","7","7","5","1") = "6"
    & skf21("5","6","4","5","7","7","6","1") = "6"
    & skf21("5","6","4","5","7","7","7","1") = "6"
    & skf21("5","6","4","6","1","1","1","1") = "5"
    & skf21("5","6","4","6","1","1","2","1") = "5"
    & skf21("5","6","4","6","1","1","3","1") = "5"
    & skf21("5","6","4","6","1","1","4","1") = "5"
    & skf21("5","6","4","6","1","1","5","1") = "5"
    & skf21("5","6","4","6","1","1","6","1") = "5"
    & skf21("5","6","4","6","1","1","7","1") = "6"
    & skf21("5","6","4","6","1","2","1","1") = "5"
    & skf21("5","6","4","6","1","2","2","1") = "5"
    & skf21("5","6","4","6","1","2","3","1") = "5"
    & skf21("5","6","4","6","1","2","4","1") = "5"
    & skf21("5","6","4","6","1","2","5","1") = "5"
    & skf21("5","6","4","6","1","2","6","1") = "5"
    & skf21("5","6","4","6","1","2","7","1") = "6"
    & skf21("5","6","4","6","1","3","1","1") = "5"
    & skf21("5","6","4","6","1","3","2","1") = "5"
    & skf21("5","6","4","6","1","3","3","1") = "5"
    & skf21("5","6","4","6","1","3","4","1") = "5"
    & skf21("5","6","4","6","1","3","5","1") = "5"
    & skf21("5","6","4","6","1","3","6","1") = "5"
    & skf21("5","6","4","6","1","3","7","1") = "6"
    & skf21("5","6","4","6","1","4","1","1") = "5"
    & skf21("5","6","4","6","1","4","2","1") = "5"
    & skf21("5","6","4","6","1","4","3","1") = "5"
    & skf21("5","6","4","6","1","4","4","1") = "5"
    & skf21("5","6","4","6","1","4","5","1") = "5"
    & skf21("5","6","4","6","1","4","6","1") = "5"
    & skf21("5","6","4","6","1","4","7","1") = "6"
    & skf21("5","6","4","6","1","5","1","1") = "5"
    & skf21("5","6","4","6","1","5","2","1") = "5"
    & skf21("5","6","4","6","1","5","3","1") = "5"
    & skf21("5","6","4","6","1","5","4","1") = "5"
    & skf21("5","6","4","6","1","5","5","1") = "5"
    & skf21("5","6","4","6","1","5","6","1") = "5"
    & skf21("5","6","4","6","1","5","7","1") = "6"
    & skf21("5","6","4","6","1","6","1","1") = "5"
    & skf21("5","6","4","6","1","6","2","1") = "5"
    & skf21("5","6","4","6","1","6","3","1") = "5"
    & skf21("5","6","4","6","1","6","4","1") = "5"
    & skf21("5","6","4","6","1","6","5","1") = "5"
    & skf21("5","6","4","6","1","6","6","1") = "5"
    & skf21("5","6","4","6","1","6","7","1") = "6"
    & skf21("5","6","4","6","1","7","1","1") = "6"
    & skf21("5","6","4","6","1","7","2","1") = "6"
    & skf21("5","6","4","6","1","7","3","1") = "6"
    & skf21("5","6","4","6","1","7","4","1") = "6"
    & skf21("5","6","4","6","1","7","5","1") = "6"
    & skf21("5","6","4","6","1","7","6","1") = "6"
    & skf21("5","6","4","6","1","7","7","1") = "6"
    & skf21("5","6","4","6","2","1","1","1") = "5"
    & skf21("5","6","4","6","2","1","2","1") = "5"
    & skf21("5","6","4","6","2","1","3","1") = "5"
    & skf21("5","6","4","6","2","1","4","1") = "5"
    & skf21("5","6","4","6","2","1","5","1") = "5"
    & skf21("5","6","4","6","2","1","6","1") = "5"
    & skf21("5","6","4","6","2","1","7","1") = "6"
    & skf21("5","6","4","6","2","2","1","1") = "5"
    & skf21("5","6","4","6","2","2","2","1") = "5"
    & skf21("5","6","4","6","2","2","3","1") = "5"
    & skf21("5","6","4","6","2","2","4","1") = "5"
    & skf21("5","6","4","6","2","2","5","1") = "5"
    & skf21("5","6","4","6","2","2","6","1") = "5"
    & skf21("5","6","4","6","2","2","7","1") = "6"
    & skf21("5","6","4","6","2","3","1","1") = "5"
    & skf21("5","6","4","6","2","3","2","1") = "5"
    & skf21("5","6","4","6","2","3","3","1") = "5"
    & skf21("5","6","4","6","2","3","4","1") = "5"
    & skf21("5","6","4","6","2","3","5","1") = "5"
    & skf21("5","6","4","6","2","3","6","1") = "5"
    & skf21("5","6","4","6","2","3","7","1") = "6"
    & skf21("5","6","4","6","2","4","1","1") = "5"
    & skf21("5","6","4","6","2","4","2","1") = "5"
    & skf21("5","6","4","6","2","4","3","1") = "5"
    & skf21("5","6","4","6","2","4","4","1") = "5"
    & skf21("5","6","4","6","2","4","5","1") = "5"
    & skf21("5","6","4","6","2","4","6","1") = "5"
    & skf21("5","6","4","6","2","4","7","1") = "6"
    & skf21("5","6","4","6","2","5","1","1") = "5"
    & skf21("5","6","4","6","2","5","2","1") = "5"
    & skf21("5","6","4","6","2","5","3","1") = "5"
    & skf21("5","6","4","6","2","5","4","1") = "5"
    & skf21("5","6","4","6","2","5","5","1") = "5"
    & skf21("5","6","4","6","2","5","6","1") = "5"
    & skf21("5","6","4","6","2","5","7","1") = "6"
    & skf21("5","6","4","6","2","6","1","1") = "5"
    & skf21("5","6","4","6","2","6","2","1") = "5"
    & skf21("5","6","4","6","2","6","3","1") = "5"
    & skf21("5","6","4","6","2","6","4","1") = "5"
    & skf21("5","6","4","6","2","6","5","1") = "5"
    & skf21("5","6","4","6","2","6","6","1") = "5"
    & skf21("5","6","4","6","2","6","7","1") = "6"
    & skf21("5","6","4","6","2","7","1","1") = "6"
    & skf21("5","6","4","6","2","7","2","1") = "6"
    & skf21("5","6","4","6","2","7","3","1") = "6"
    & skf21("5","6","4","6","2","7","4","1") = "6"
    & skf21("5","6","4","6","2","7","5","1") = "6"
    & skf21("5","6","4","6","2","7","6","1") = "6"
    & skf21("5","6","4","6","2","7","7","1") = "6"
    & skf21("5","6","4","6","3","1","1","1") = "5"
    & skf21("5","6","4","6","3","1","2","1") = "5"
    & skf21("5","6","4","6","3","1","3","1") = "5"
    & skf21("5","6","4","6","3","1","4","1") = "5"
    & skf21("5","6","4","6","3","1","5","1") = "5"
    & skf21("5","6","4","6","3","1","6","1") = "5"
    & skf21("5","6","4","6","3","1","7","1") = "6"
    & skf21("5","6","4","6","3","2","1","1") = "5"
    & skf21("5","6","4","6","3","2","2","1") = "5"
    & skf21("5","6","4","6","3","2","3","1") = "5"
    & skf21("5","6","4","6","3","2","4","1") = "5"
    & skf21("5","6","4","6","3","2","5","1") = "5"
    & skf21("5","6","4","6","3","2","6","1") = "5"
    & skf21("5","6","4","6","3","2","7","1") = "6"
    & skf21("5","6","4","6","3","3","1","1") = "5"
    & skf21("5","6","4","6","3","3","2","1") = "5"
    & skf21("5","6","4","6","3","3","3","1") = "5"
    & skf21("5","6","4","6","3","3","4","1") = "5"
    & skf21("5","6","4","6","3","3","5","1") = "5"
    & skf21("5","6","4","6","3","3","6","1") = "5"
    & skf21("5","6","4","6","3","3","7","1") = "6"
    & skf21("5","6","4","6","3","4","1","1") = "5"
    & skf21("5","6","4","6","3","4","2","1") = "5"
    & skf21("5","6","4","6","3","4","3","1") = "5"
    & skf21("5","6","4","6","3","4","4","1") = "5"
    & skf21("5","6","4","6","3","4","5","1") = "5"
    & skf21("5","6","4","6","3","4","6","1") = "5"
    & skf21("5","6","4","6","3","4","7","1") = "6"
    & skf21("5","6","4","6","3","5","1","1") = "5"
    & skf21("5","6","4","6","3","5","2","1") = "5"
    & skf21("5","6","4","6","3","5","3","1") = "5"
    & skf21("5","6","4","6","3","5","4","1") = "5"
    & skf21("5","6","4","6","3","5","5","1") = "5"
    & skf21("5","6","4","6","3","5","6","1") = "5"
    & skf21("5","6","4","6","3","5","7","1") = "6"
    & skf21("5","6","4","6","3","6","1","1") = "5"
    & skf21("5","6","4","6","3","6","2","1") = "5"
    & skf21("5","6","4","6","3","6","3","1") = "5"
    & skf21("5","6","4","6","3","6","4","1") = "5"
    & skf21("5","6","4","6","3","6","5","1") = "5"
    & skf21("5","6","4","6","3","6","6","1") = "5"
    & skf21("5","6","4","6","3","6","7","1") = "6"
    & skf21("5","6","4","6","3","7","1","1") = "6"
    & skf21("5","6","4","6","3","7","2","1") = "6"
    & skf21("5","6","4","6","3","7","3","1") = "6"
    & skf21("5","6","4","6","3","7","4","1") = "6"
    & skf21("5","6","4","6","3","7","5","1") = "6"
    & skf21("5","6","4","6","3","7","6","1") = "6"
    & skf21("5","6","4","6","3","7","7","1") = "6"
    & skf21("5","6","4","6","4","1","1","1") = "5"
    & skf21("5","6","4","6","4","1","2","1") = "5"
    & skf21("5","6","4","6","4","1","3","1") = "5"
    & skf21("5","6","4","6","4","1","4","1") = "5"
    & skf21("5","6","4","6","4","1","5","1") = "5"
    & skf21("5","6","4","6","4","1","6","1") = "5"
    & skf21("5","6","4","6","4","1","7","1") = "6"
    & skf21("5","6","4","6","4","2","1","1") = "5"
    & skf21("5","6","4","6","4","2","2","1") = "5"
    & skf21("5","6","4","6","4","2","3","1") = "5"
    & skf21("5","6","4","6","4","2","4","1") = "5"
    & skf21("5","6","4","6","4","2","5","1") = "5"
    & skf21("5","6","4","6","4","2","6","1") = "5"
    & skf21("5","6","4","6","4","2","7","1") = "6"
    & skf21("5","6","4","6","4","3","1","1") = "5"
    & skf21("5","6","4","6","4","3","2","1") = "5"
    & skf21("5","6","4","6","4","3","3","1") = "5"
    & skf21("5","6","4","6","4","3","4","1") = "5"
    & skf21("5","6","4","6","4","3","5","1") = "5"
    & skf21("5","6","4","6","4","3","6","1") = "5"
    & skf21("5","6","4","6","4","3","7","1") = "6"
    & skf21("5","6","4","6","4","4","1","1") = "5"
    & skf21("5","6","4","6","4","4","2","1") = "5"
    & skf21("5","6","4","6","4","4","3","1") = "5"
    & skf21("5","6","4","6","4","4","4","1") = "5"
    & skf21("5","6","4","6","4","4","5","1") = "5"
    & skf21("5","6","4","6","4","4","6","1") = "5"
    & skf21("5","6","4","6","4","4","7","1") = "6"
    & skf21("5","6","4","6","4","5","1","1") = "5"
    & skf21("5","6","4","6","4","5","2","1") = "5"
    & skf21("5","6","4","6","4","5","3","1") = "5"
    & skf21("5","6","4","6","4","5","4","1") = "5"
    & skf21("5","6","4","6","4","5","5","1") = "5"
    & skf21("5","6","4","6","4","5","6","1") = "5"
    & skf21("5","6","4","6","4","5","7","1") = "6"
    & skf21("5","6","4","6","4","6","1","1") = "5"
    & skf21("5","6","4","6","4","6","2","1") = "5"
    & skf21("5","6","4","6","4","6","3","1") = "5"
    & skf21("5","6","4","6","4","6","4","1") = "5"
    & skf21("5","6","4","6","4","6","5","1") = "5"
    & skf21("5","6","4","6","4","6","6","1") = "5"
    & skf21("5","6","4","6","4","6","7","1") = "6"
    & skf21("5","6","4","6","4","7","1","1") = "6"
    & skf21("5","6","4","6","4","7","2","1") = "6"
    & skf21("5","6","4","6","4","7","3","1") = "6"
    & skf21("5","6","4","6","4","7","4","1") = "6"
    & skf21("5","6","4","6","4","7","5","1") = "6"
    & skf21("5","6","4","6","4","7","6","1") = "6"
    & skf21("5","6","4","6","4","7","7","1") = "6"
    & skf21("5","6","4","6","5","1","1","1") = "5"
    & skf21("5","6","4","6","5","1","2","1") = "5"
    & skf21("5","6","4","6","5","1","3","1") = "5"
    & skf21("5","6","4","6","5","1","4","1") = "5"
    & skf21("5","6","4","6","5","1","5","1") = "5"
    & skf21("5","6","4","6","5","1","6","1") = "5"
    & skf21("5","6","4","6","5","1","7","1") = "6"
    & skf21("5","6","4","6","5","2","1","1") = "5"
    & skf21("5","6","4","6","5","2","2","1") = "5"
    & skf21("5","6","4","6","5","2","3","1") = "5"
    & skf21("5","6","4","6","5","2","4","1") = "5"
    & skf21("5","6","4","6","5","2","5","1") = "5"
    & skf21("5","6","4","6","5","2","6","1") = "5"
    & skf21("5","6","4","6","5","2","7","1") = "6"
    & skf21("5","6","4","6","5","3","1","1") = "5"
    & skf21("5","6","4","6","5","3","2","1") = "5"
    & skf21("5","6","4","6","5","3","3","1") = "5"
    & skf21("5","6","4","6","5","3","4","1") = "5"
    & skf21("5","6","4","6","5","3","5","1") = "5"
    & skf21("5","6","4","6","5","3","6","1") = "5"
    & skf21("5","6","4","6","5","3","7","1") = "6"
    & skf21("5","6","4","6","5","4","1","1") = "5"
    & skf21("5","6","4","6","5","4","2","1") = "5"
    & skf21("5","6","4","6","5","4","3","1") = "5"
    & skf21("5","6","4","6","5","4","4","1") = "5"
    & skf21("5","6","4","6","5","4","5","1") = "5"
    & skf21("5","6","4","6","5","4","6","1") = "5"
    & skf21("5","6","4","6","5","4","7","1") = "6"
    & skf21("5","6","4","6","5","5","1","1") = "5"
    & skf21("5","6","4","6","5","5","2","1") = "5"
    & skf21("5","6","4","6","5","5","3","1") = "5"
    & skf21("5","6","4","6","5","5","4","1") = "5"
    & skf21("5","6","4","6","5","5","5","1") = "5"
    & skf21("5","6","4","6","5","5","6","1") = "5"
    & skf21("5","6","4","6","5","5","7","1") = "6"
    & skf21("5","6","4","6","5","6","1","1") = "5"
    & skf21("5","6","4","6","5","6","2","1") = "5"
    & skf21("5","6","4","6","5","6","3","1") = "5"
    & skf21("5","6","4","6","5","6","4","1") = "5"
    & skf21("5","6","4","6","5","6","5","1") = "5"
    & skf21("5","6","4","6","5","6","6","1") = "5"
    & skf21("5","6","4","6","5","6","7","1") = "6"
    & skf21("5","6","4","6","5","7","1","1") = "6"
    & skf21("5","6","4","6","5","7","2","1") = "6"
    & skf21("5","6","4","6","5","7","3","1") = "6"
    & skf21("5","6","4","6","5","7","4","1") = "6"
    & skf21("5","6","4","6","5","7","5","1") = "6"
    & skf21("5","6","4","6","5","7","6","1") = "6"
    & skf21("5","6","4","6","5","7","7","1") = "6"
    & skf21("5","6","4","6","6","1","1","1") = "5"
    & skf21("5","6","4","6","6","1","2","1") = "5"
    & skf21("5","6","4","6","6","1","3","1") = "5"
    & skf21("5","6","4","6","6","1","4","1") = "5"
    & skf21("5","6","4","6","6","1","5","1") = "5"
    & skf21("5","6","4","6","6","1","6","1") = "5"
    & skf21("5","6","4","6","6","1","7","1") = "6"
    & skf21("5","6","4","6","6","2","1","1") = "5"
    & skf21("5","6","4","6","6","2","2","1") = "5"
    & skf21("5","6","4","6","6","2","3","1") = "5"
    & skf21("5","6","4","6","6","2","4","1") = "5"
    & skf21("5","6","4","6","6","2","5","1") = "5"
    & skf21("5","6","4","6","6","2","6","1") = "5"
    & skf21("5","6","4","6","6","2","7","1") = "6"
    & skf21("5","6","4","6","6","3","1","1") = "5"
    & skf21("5","6","4","6","6","3","2","1") = "5"
    & skf21("5","6","4","6","6","3","3","1") = "5"
    & skf21("5","6","4","6","6","3","4","1") = "5"
    & skf21("5","6","4","6","6","3","5","1") = "5"
    & skf21("5","6","4","6","6","3","6","1") = "5"
    & skf21("5","6","4","6","6","3","7","1") = "6"
    & skf21("5","6","4","6","6","4","1","1") = "5"
    & skf21("5","6","4","6","6","4","2","1") = "5"
    & skf21("5","6","4","6","6","4","3","1") = "5"
    & skf21("5","6","4","6","6","4","4","1") = "5"
    & skf21("5","6","4","6","6","4","5","1") = "5"
    & skf21("5","6","4","6","6","4","6","1") = "5"
    & skf21("5","6","4","6","6","4","7","1") = "6"
    & skf21("5","6","4","6","6","5","1","1") = "5"
    & skf21("5","6","4","6","6","5","2","1") = "5"
    & skf21("5","6","4","6","6","5","3","1") = "5"
    & skf21("5","6","4","6","6","5","4","1") = "5"
    & skf21("5","6","4","6","6","5","5","1") = "5"
    & skf21("5","6","4","6","6","5","6","1") = "5"
    & skf21("5","6","4","6","6","5","7","1") = "6"
    & skf21("5","6","4","6","6","6","1","1") = "5"
    & skf21("5","6","4","6","6","6","2","1") = "5"
    & skf21("5","6","4","6","6","6","3","1") = "5"
    & skf21("5","6","4","6","6","6","4","1") = "5"
    & skf21("5","6","4","6","6","6","5","1") = "5"
    & skf21("5","6","4","6","6","6","6","1") = "5"
    & skf21("5","6","4","6","6","6","7","1") = "6"
    & skf21("5","6","4","6","6","7","1","1") = "6"
    & skf21("5","6","4","6","6","7","2","1") = "6"
    & skf21("5","6","4","6","6","7","3","1") = "6"
    & skf21("5","6","4","6","6","7","4","1") = "6"
    & skf21("5","6","4","6","6","7","5","1") = "6"
    & skf21("5","6","4","6","6","7","6","1") = "6"
    & skf21("5","6","4","6","6","7","7","1") = "6"
    & skf21("5","6","4","6","7","1","1","1") = "6"
    & skf21("5","6","4","6","7","1","2","1") = "6"
    & skf21("5","6","4","6","7","1","3","1") = "6"
    & skf21("5","6","4","6","7","1","4","1") = "6"
    & skf21("5","6","4","6","7","1","5","1") = "6"
    & skf21("5","6","4","6","7","1","6","1") = "6"
    & skf21("5","6","4","6","7","1","7","1") = "6"
    & skf21("5","6","4","6","7","2","1","1") = "6"
    & skf21("5","6","4","6","7","2","2","1") = "6"
    & skf21("5","6","4","6","7","2","3","1") = "6"
    & skf21("5","6","4","6","7","2","4","1") = "6"
    & skf21("5","6","4","6","7","2","5","1") = "6"
    & skf21("5","6","4","6","7","2","6","1") = "6"
    & skf21("5","6","4","6","7","2","7","1") = "6"
    & skf21("5","6","4","6","7","3","1","1") = "6"
    & skf21("5","6","4","6","7","3","2","1") = "6"
    & skf21("5","6","4","6","7","3","3","1") = "6"
    & skf21("5","6","4","6","7","3","4","1") = "6"
    & skf21("5","6","4","6","7","3","5","1") = "6"
    & skf21("5","6","4","6","7","3","6","1") = "6"
    & skf21("5","6","4","6","7","3","7","1") = "6"
    & skf21("5","6","4","6","7","4","1","1") = "6"
    & skf21("5","6","4","6","7","4","2","1") = "6"
    & skf21("5","6","4","6","7","4","3","1") = "6"
    & skf21("5","6","4","6","7","4","4","1") = "6"
    & skf21("5","6","4","6","7","4","5","1") = "6"
    & skf21("5","6","4","6","7","4","6","1") = "6"
    & skf21("5","6","4","6","7","4","7","1") = "6"
    & skf21("5","6","4","6","7","5","1","1") = "6"
    & skf21("5","6","4","6","7","5","2","1") = "6"
    & skf21("5","6","4","6","7","5","3","1") = "6"
    & skf21("5","6","4","6","7","5","4","1") = "6"
    & skf21("5","6","4","6","7","5","5","1") = "6"
    & skf21("5","6","4","6","7","5","6","1") = "6"
    & skf21("5","6","4","6","7","5","7","1") = "6"
    & skf21("5","6","4","6","7","6","1","1") = "6"
    & skf21("5","6","4","6","7","6","2","1") = "6"
    & skf21("5","6","4","6","7","6","3","1") = "6"
    & skf21("5","6","4","6","7","6","4","1") = "6"
    & skf21("5","6","4","6","7","6","5","1") = "6"
    & skf21("5","6","4","6","7","6","6","1") = "6"
    & skf21("5","6","4","6","7","6","7","1") = "6"
    & skf21("5","6","4","6","7","7","1","1") = "6"
    & skf21("5","6","4","6","7","7","2","1") = "6"
    & skf21("5","6","4","6","7","7","3","1") = "6"
    & skf21("5","6","4","6","7","7","4","1") = "6"
    & skf21("5","6","4","6","7","7","5","1") = "6"
    & skf21("5","6","4","6","7","7","6","1") = "6"
    & skf21("5","6","4","6","7","7","7","1") = "6"
    & skf21("5","6","4","7","1","1","1","1") = "6"
    & skf21("5","6","4","7","1","1","2","1") = "6"
    & skf21("5","6","4","7","1","1","3","1") = "6"
    & skf21("5","6","4","7","1","1","4","1") = "6"
    & skf21("5","6","4","7","1","1","5","1") = "6"
    & skf21("5","6","4","7","1","1","6","1") = "6"
    & skf21("5","6","4","7","1","1","7","1") = "6"
    & skf21("5","6","4","7","1","2","1","1") = "6"
    & skf21("5","6","4","7","1","2","2","1") = "6"
    & skf21("5","6","4","7","1","2","3","1") = "6"
    & skf21("5","6","4","7","1","2","4","1") = "6"
    & skf21("5","6","4","7","1","2","5","1") = "6"
    & skf21("5","6","4","7","1","2","6","1") = "6"
    & skf21("5","6","4","7","1","2","7","1") = "6"
    & skf21("5","6","4","7","1","3","1","1") = "6"
    & skf21("5","6","4","7","1","3","2","1") = "6"
    & skf21("5","6","4","7","1","3","3","1") = "6"
    & skf21("5","6","4","7","1","3","4","1") = "6"
    & skf21("5","6","4","7","1","3","5","1") = "6"
    & skf21("5","6","4","7","1","3","6","1") = "6"
    & skf21("5","6","4","7","1","3","7","1") = "6"
    & skf21("5","6","4","7","1","4","1","1") = "6"
    & skf21("5","6","4","7","1","4","2","1") = "6"
    & skf21("5","6","4","7","1","4","3","1") = "6"
    & skf21("5","6","4","7","1","4","4","1") = "6"
    & skf21("5","6","4","7","1","4","5","1") = "6"
    & skf21("5","6","4","7","1","4","6","1") = "6"
    & skf21("5","6","4","7","1","4","7","1") = "6"
    & skf21("5","6","4","7","1","5","1","1") = "6"
    & skf21("5","6","4","7","1","5","2","1") = "6"
    & skf21("5","6","4","7","1","5","3","1") = "6"
    & skf21("5","6","4","7","1","5","4","1") = "6"
    & skf21("5","6","4","7","1","5","5","1") = "6"
    & skf21("5","6","4","7","1","5","6","1") = "6"
    & skf21("5","6","4","7","1","5","7","1") = "6"
    & skf21("5","6","4","7","1","6","1","1") = "6"
    & skf21("5","6","4","7","1","6","2","1") = "6"
    & skf21("5","6","4","7","1","6","3","1") = "6"
    & skf21("5","6","4","7","1","6","4","1") = "6"
    & skf21("5","6","4","7","1","6","5","1") = "6"
    & skf21("5","6","4","7","1","6","6","1") = "6"
    & skf21("5","6","4","7","1","6","7","1") = "6"
    & skf21("5","6","4","7","1","7","1","1") = "6"
    & skf21("5","6","4","7","1","7","2","1") = "6"
    & skf21("5","6","4","7","1","7","3","1") = "6"
    & skf21("5","6","4","7","1","7","4","1") = "6"
    & skf21("5","6","4","7","1","7","5","1") = "6"
    & skf21("5","6","4","7","1","7","6","1") = "6"
    & skf21("5","6","4","7","1","7","7","1") = "6"
    & skf21("5","6","4","7","2","1","1","1") = "6"
    & skf21("5","6","4","7","2","1","2","1") = "6"
    & skf21("5","6","4","7","2","1","3","1") = "6"
    & skf21("5","6","4","7","2","1","4","1") = "6"
    & skf21("5","6","4","7","2","1","5","1") = "6"
    & skf21("5","6","4","7","2","1","6","1") = "6"
    & skf21("5","6","4","7","2","1","7","1") = "6"
    & skf21("5","6","4","7","2","2","1","1") = "6"
    & skf21("5","6","4","7","2","2","2","1") = "6"
    & skf21("5","6","4","7","2","2","3","1") = "6"
    & skf21("5","6","4","7","2","2","4","1") = "6"
    & skf21("5","6","4","7","2","2","5","1") = "6"
    & skf21("5","6","4","7","2","2","6","1") = "6"
    & skf21("5","6","4","7","2","2","7","1") = "6"
    & skf21("5","6","4","7","2","3","1","1") = "6"
    & skf21("5","6","4","7","2","3","2","1") = "6"
    & skf21("5","6","4","7","2","3","3","1") = "6"
    & skf21("5","6","4","7","2","3","4","1") = "6"
    & skf21("5","6","4","7","2","3","5","1") = "6"
    & skf21("5","6","4","7","2","3","6","1") = "6"
    & skf21("5","6","4","7","2","3","7","1") = "6"
    & skf21("5","6","4","7","2","4","1","1") = "6"
    & skf21("5","6","4","7","2","4","2","1") = "6"
    & skf21("5","6","4","7","2","4","3","1") = "6"
    & skf21("5","6","4","7","2","4","4","1") = "6"
    & skf21("5","6","4","7","2","4","5","1") = "6"
    & skf21("5","6","4","7","2","4","6","1") = "6"
    & skf21("5","6","4","7","2","4","7","1") = "6"
    & skf21("5","6","4","7","2","5","1","1") = "6"
    & skf21("5","6","4","7","2","5","2","1") = "6"
    & skf21("5","6","4","7","2","5","3","1") = "6"
    & skf21("5","6","4","7","2","5","4","1") = "6"
    & skf21("5","6","4","7","2","5","5","1") = "6"
    & skf21("5","6","4","7","2","5","6","1") = "6"
    & skf21("5","6","4","7","2","5","7","1") = "6"
    & skf21("5","6","4","7","2","6","1","1") = "6"
    & skf21("5","6","4","7","2","6","2","1") = "6"
    & skf21("5","6","4","7","2","6","3","1") = "6"
    & skf21("5","6","4","7","2","6","4","1") = "6"
    & skf21("5","6","4","7","2","6","5","1") = "6"
    & skf21("5","6","4","7","2","6","6","1") = "6"
    & skf21("5","6","4","7","2","6","7","1") = "6"
    & skf21("5","6","4","7","2","7","1","1") = "6"
    & skf21("5","6","4","7","2","7","2","1") = "6"
    & skf21("5","6","4","7","2","7","3","1") = "6"
    & skf21("5","6","4","7","2","7","4","1") = "6"
    & skf21("5","6","4","7","2","7","5","1") = "6"
    & skf21("5","6","4","7","2","7","6","1") = "6"
    & skf21("5","6","4","7","2","7","7","1") = "6"
    & skf21("5","6","4","7","3","1","1","1") = "6"
    & skf21("5","6","4","7","3","1","2","1") = "6"
    & skf21("5","6","4","7","3","1","3","1") = "6"
    & skf21("5","6","4","7","3","1","4","1") = "6"
    & skf21("5","6","4","7","3","1","5","1") = "6"
    & skf21("5","6","4","7","3","1","6","1") = "6"
    & skf21("5","6","4","7","3","1","7","1") = "6"
    & skf21("5","6","4","7","3","2","1","1") = "6"
    & skf21("5","6","4","7","3","2","2","1") = "6"
    & skf21("5","6","4","7","3","2","3","1") = "6"
    & skf21("5","6","4","7","3","2","4","1") = "6"
    & skf21("5","6","4","7","3","2","5","1") = "6"
    & skf21("5","6","4","7","3","2","6","1") = "6"
    & skf21("5","6","4","7","3","2","7","1") = "6"
    & skf21("5","6","4","7","3","3","1","1") = "6"
    & skf21("5","6","4","7","3","3","2","1") = "6"
    & skf21("5","6","4","7","3","3","3","1") = "6"
    & skf21("5","6","4","7","3","3","4","1") = "6"
    & skf21("5","6","4","7","3","3","5","1") = "6"
    & skf21("5","6","4","7","3","3","6","1") = "6"
    & skf21("5","6","4","7","3","3","7","1") = "6"
    & skf21("5","6","4","7","3","4","1","1") = "6"
    & skf21("5","6","4","7","3","4","2","1") = "6"
    & skf21("5","6","4","7","3","4","3","1") = "6"
    & skf21("5","6","4","7","3","4","4","1") = "6"
    & skf21("5","6","4","7","3","4","5","1") = "6"
    & skf21("5","6","4","7","3","4","6","1") = "6"
    & skf21("5","6","4","7","3","4","7","1") = "6"
    & skf21("5","6","4","7","3","5","1","1") = "6"
    & skf21("5","6","4","7","3","5","2","1") = "6"
    & skf21("5","6","4","7","3","5","3","1") = "6"
    & skf21("5","6","4","7","3","5","4","1") = "6"
    & skf21("5","6","4","7","3","5","5","1") = "6"
    & skf21("5","6","4","7","3","5","6","1") = "6"
    & skf21("5","6","4","7","3","5","7","1") = "6"
    & skf21("5","6","4","7","3","6","1","1") = "6"
    & skf21("5","6","4","7","3","6","2","1") = "6"
    & skf21("5","6","4","7","3","6","3","1") = "6"
    & skf21("5","6","4","7","3","6","4","1") = "6"
    & skf21("5","6","4","7","3","6","5","1") = "6"
    & skf21("5","6","4","7","3","6","6","1") = "6"
    & skf21("5","6","4","7","3","6","7","1") = "6"
    & skf21("5","6","4","7","3","7","1","1") = "6"
    & skf21("5","6","4","7","3","7","2","1") = "6"
    & skf21("5","6","4","7","3","7","3","1") = "6"
    & skf21("5","6","4","7","3","7","4","1") = "6"
    & skf21("5","6","4","7","3","7","5","1") = "6"
    & skf21("5","6","4","7","3","7","6","1") = "6"
    & skf21("5","6","4","7","3","7","7","1") = "6"
    & skf21("5","6","4","7","4","1","1","1") = "6"
    & skf21("5","6","4","7","4","1","2","1") = "6"
    & skf21("5","6","4","7","4","1","3","1") = "6"
    & skf21("5","6","4","7","4","1","4","1") = "6"
    & skf21("5","6","4","7","4","1","5","1") = "6"
    & skf21("5","6","4","7","4","1","6","1") = "6"
    & skf21("5","6","4","7","4","1","7","1") = "6"
    & skf21("5","6","4","7","4","2","1","1") = "6"
    & skf21("5","6","4","7","4","2","2","1") = "6"
    & skf21("5","6","4","7","4","2","3","1") = "6"
    & skf21("5","6","4","7","4","2","4","1") = "6"
    & skf21("5","6","4","7","4","2","5","1") = "6"
    & skf21("5","6","4","7","4","2","6","1") = "6"
    & skf21("5","6","4","7","4","2","7","1") = "6"
    & skf21("5","6","4","7","4","3","1","1") = "6"
    & skf21("5","6","4","7","4","3","2","1") = "6"
    & skf21("5","6","4","7","4","3","3","1") = "6"
    & skf21("5","6","4","7","4","3","4","1") = "6"
    & skf21("5","6","4","7","4","3","5","1") = "6"
    & skf21("5","6","4","7","4","3","6","1") = "6"
    & skf21("5","6","4","7","4","3","7","1") = "6"
    & skf21("5","6","4","7","4","4","1","1") = "6"
    & skf21("5","6","4","7","4","4","2","1") = "6"
    & skf21("5","6","4","7","4","4","3","1") = "6"
    & skf21("5","6","4","7","4","4","4","1") = "6"
    & skf21("5","6","4","7","4","4","5","1") = "6"
    & skf21("5","6","4","7","4","4","6","1") = "6"
    & skf21("5","6","4","7","4","4","7","1") = "6"
    & skf21("5","6","4","7","4","5","1","1") = "6"
    & skf21("5","6","4","7","4","5","2","1") = "6"
    & skf21("5","6","4","7","4","5","3","1") = "6"
    & skf21("5","6","4","7","4","5","4","1") = "6"
    & skf21("5","6","4","7","4","5","5","1") = "6"
    & skf21("5","6","4","7","4","5","6","1") = "6"
    & skf21("5","6","4","7","4","5","7","1") = "6"
    & skf21("5","6","4","7","4","6","1","1") = "6"
    & skf21("5","6","4","7","4","6","2","1") = "6"
    & skf21("5","6","4","7","4","6","3","1") = "6"
    & skf21("5","6","4","7","4","6","4","1") = "6"
    & skf21("5","6","4","7","4","6","5","1") = "6"
    & skf21("5","6","4","7","4","6","6","1") = "6"
    & skf21("5","6","4","7","4","6","7","1") = "6"
    & skf21("5","6","4","7","4","7","1","1") = "6"
    & skf21("5","6","4","7","4","7","2","1") = "6"
    & skf21("5","6","4","7","4","7","3","1") = "6"
    & skf21("5","6","4","7","4","7","4","1") = "6"
    & skf21("5","6","4","7","4","7","5","1") = "6"
    & skf21("5","6","4","7","4","7","6","1") = "6"
    & skf21("5","6","4","7","4","7","7","1") = "6"
    & skf21("5","6","4","7","5","1","1","1") = "6"
    & skf21("5","6","4","7","5","1","2","1") = "6"
    & skf21("5","6","4","7","5","1","3","1") = "6"
    & skf21("5","6","4","7","5","1","4","1") = "6"
    & skf21("5","6","4","7","5","1","5","1") = "6"
    & skf21("5","6","4","7","5","1","6","1") = "6"
    & skf21("5","6","4","7","5","1","7","1") = "6"
    & skf21("5","6","4","7","5","2","1","1") = "6"
    & skf21("5","6","4","7","5","2","2","1") = "6"
    & skf21("5","6","4","7","5","2","3","1") = "6"
    & skf21("5","6","4","7","5","2","4","1") = "6"
    & skf21("5","6","4","7","5","2","5","1") = "6"
    & skf21("5","6","4","7","5","2","6","1") = "6"
    & skf21("5","6","4","7","5","2","7","1") = "6"
    & skf21("5","6","4","7","5","3","1","1") = "6"
    & skf21("5","6","4","7","5","3","2","1") = "6"
    & skf21("5","6","4","7","5","3","3","1") = "6"
    & skf21("5","6","4","7","5","3","4","1") = "6"
    & skf21("5","6","4","7","5","3","5","1") = "6"
    & skf21("5","6","4","7","5","3","6","1") = "6"
    & skf21("5","6","4","7","5","3","7","1") = "6"
    & skf21("5","6","4","7","5","4","1","1") = "6"
    & skf21("5","6","4","7","5","4","2","1") = "6"
    & skf21("5","6","4","7","5","4","3","1") = "6"
    & skf21("5","6","4","7","5","4","4","1") = "6"
    & skf21("5","6","4","7","5","4","5","1") = "6"
    & skf21("5","6","4","7","5","4","6","1") = "6"
    & skf21("5","6","4","7","5","4","7","1") = "6"
    & skf21("5","6","4","7","5","5","1","1") = "6"
    & skf21("5","6","4","7","5","5","2","1") = "6"
    & skf21("5","6","4","7","5","5","3","1") = "6"
    & skf21("5","6","4","7","5","5","4","1") = "6"
    & skf21("5","6","4","7","5","5","5","1") = "6"
    & skf21("5","6","4","7","5","5","6","1") = "6"
    & skf21("5","6","4","7","5","5","7","1") = "6"
    & skf21("5","6","4","7","5","6","1","1") = "6"
    & skf21("5","6","4","7","5","6","2","1") = "6"
    & skf21("5","6","4","7","5","6","3","1") = "6"
    & skf21("5","6","4","7","5","6","4","1") = "6"
    & skf21("5","6","4","7","5","6","5","1") = "6"
    & skf21("5","6","4","7","5","6","6","1") = "6"
    & skf21("5","6","4","7","5","6","7","1") = "6"
    & skf21("5","6","4","7","5","7","1","1") = "6"
    & skf21("5","6","4","7","5","7","2","1") = "6"
    & skf21("5","6","4","7","5","7","3","1") = "6"
    & skf21("5","6","4","7","5","7","4","1") = "6"
    & skf21("5","6","4","7","5","7","5","1") = "6"
    & skf21("5","6","4","7","5","7","6","1") = "6"
    & skf21("5","6","4","7","5","7","7","1") = "6"
    & skf21("5","6","4","7","6","1","1","1") = "6"
    & skf21("5","6","4","7","6","1","2","1") = "6"
    & skf21("5","6","4","7","6","1","3","1") = "6"
    & skf21("5","6","4","7","6","1","4","1") = "6"
    & skf21("5","6","4","7","6","1","5","1") = "6"
    & skf21("5","6","4","7","6","1","6","1") = "6"
    & skf21("5","6","4","7","6","1","7","1") = "6"
    & skf21("5","6","4","7","6","2","1","1") = "6"
    & skf21("5","6","4","7","6","2","2","1") = "6"
    & skf21("5","6","4","7","6","2","3","1") = "6"
    & skf21("5","6","4","7","6","2","4","1") = "6"
    & skf21("5","6","4","7","6","2","5","1") = "6"
    & skf21("5","6","4","7","6","2","6","1") = "6"
    & skf21("5","6","4","7","6","2","7","1") = "6"
    & skf21("5","6","4","7","6","3","1","1") = "6"
    & skf21("5","6","4","7","6","3","2","1") = "6"
    & skf21("5","6","4","7","6","3","3","1") = "6"
    & skf21("5","6","4","7","6","3","4","1") = "6"
    & skf21("5","6","4","7","6","3","5","1") = "6"
    & skf21("5","6","4","7","6","3","6","1") = "6"
    & skf21("5","6","4","7","6","3","7","1") = "6"
    & skf21("5","6","4","7","6","4","1","1") = "6"
    & skf21("5","6","4","7","6","4","2","1") = "6"
    & skf21("5","6","4","7","6","4","3","1") = "6"
    & skf21("5","6","4","7","6","4","4","1") = "6"
    & skf21("5","6","4","7","6","4","5","1") = "6"
    & skf21("5","6","4","7","6","4","6","1") = "6"
    & skf21("5","6","4","7","6","4","7","1") = "6"
    & skf21("5","6","4","7","6","5","1","1") = "6"
    & skf21("5","6","4","7","6","5","2","1") = "6"
    & skf21("5","6","4","7","6","5","3","1") = "6"
    & skf21("5","6","4","7","6","5","4","1") = "6"
    & skf21("5","6","4","7","6","5","5","1") = "6"
    & skf21("5","6","4","7","6","5","6","1") = "6"
    & skf21("5","6","4","7","6","5","7","1") = "6"
    & skf21("5","6","4","7","6","6","1","1") = "6"
    & skf21("5","6","4","7","6","6","2","1") = "6"
    & skf21("5","6","4","7","6","6","3","1") = "6"
    & skf21("5","6","4","7","6","6","4","1") = "6"
    & skf21("5","6","4","7","6","6","5","1") = "6"
    & skf21("5","6","4","7","6","6","6","1") = "6"
    & skf21("5","6","4","7","6","6","7","1") = "6"
    & skf21("5","6","4","7","6","7","1","1") = "6"
    & skf21("5","6","4","7","6","7","2","1") = "6"
    & skf21("5","6","4","7","6","7","3","1") = "6"
    & skf21("5","6","4","7","6","7","4","1") = "6"
    & skf21("5","6","4","7","6","7","5","1") = "6"
    & skf21("5","6","4","7","6","7","6","1") = "6"
    & skf21("5","6","4","7","6","7","7","1") = "6"
    & skf21("5","6","4","7","7","1","1","1") = "6"
    & skf21("5","6","4","7","7","1","2","1") = "6"
    & skf21("5","6","4","7","7","1","3","1") = "6"
    & skf21("5","6","4","7","7","1","4","1") = "6"
    & skf21("5","6","4","7","7","1","5","1") = "6"
    & skf21("5","6","4","7","7","1","6","1") = "6"
    & skf21("5","6","4","7","7","1","7","1") = "6"
    & skf21("5","6","4","7","7","2","1","1") = "6"
    & skf21("5","6","4","7","7","2","2","1") = "6"
    & skf21("5","6","4","7","7","2","3","1") = "6"
    & skf21("5","6","4","7","7","2","4","1") = "6"
    & skf21("5","6","4","7","7","2","5","1") = "6"
    & skf21("5","6","4","7","7","2","6","1") = "6"
    & skf21("5","6","4","7","7","2","7","1") = "6"
    & skf21("5","6","4","7","7","3","1","1") = "6"
    & skf21("5","6","4","7","7","3","2","1") = "6"
    & skf21("5","6","4","7","7","3","3","1") = "6"
    & skf21("5","6","4","7","7","3","4","1") = "6"
    & skf21("5","6","4","7","7","3","5","1") = "6"
    & skf21("5","6","4","7","7","3","6","1") = "6"
    & skf21("5","6","4","7","7","3","7","1") = "6"
    & skf21("5","6","4","7","7","4","1","1") = "6"
    & skf21("5","6","4","7","7","4","2","1") = "6"
    & skf21("5","6","4","7","7","4","3","1") = "6"
    & skf21("5","6","4","7","7","4","4","1") = "6"
    & skf21("5","6","4","7","7","4","5","1") = "6"
    & skf21("5","6","4","7","7","4","6","1") = "6"
    & skf21("5","6","4","7","7","4","7","1") = "6"
    & skf21("5","6","4","7","7","5","1","1") = "6"
    & skf21("5","6","4","7","7","5","2","1") = "6"
    & skf21("5","6","4","7","7","5","3","1") = "6"
    & skf21("5","6","4","7","7","5","4","1") = "6"
    & skf21("5","6","4","7","7","5","5","1") = "6"
    & skf21("5","6","4","7","7","5","6","1") = "6"
    & skf21("5","6","4","7","7","5","7","1") = "6"
    & skf21("5","6","4","7","7","6","1","1") = "6"
    & skf21("5","6","4","7","7","6","2","1") = "6"
    & skf21("5","6","4","7","7","6","3","1") = "6"
    & skf21("5","6","4","7","7","6","4","1") = "6"
    & skf21("5","6","4","7","7","6","5","1") = "6"
    & skf21("5","6","4","7","7","6","6","1") = "6"
    & skf21("5","6","4","7","7","6","7","1") = "6"
    & skf21("5","6","4","7","7","7","1","1") = "6"
    & skf21("5","6","4","7","7","7","2","1") = "6"
    & skf21("5","6","4","7","7","7","3","1") = "6"
    & skf21("5","6","4","7","7","7","4","1") = "6"
    & skf21("5","6","4","7","7","7","5","1") = "6"
    & skf21("5","6","4","7","7","7","6","1") = "6"
    & skf21("5","6","4","7","7","7","7","1") = "6"
    & skf21("5","6","5","1","1","1","1","1") = "5"
    & skf21("5","6","5","1","1","1","2","1") = "5"
    & skf21("5","6","5","1","1","1","3","1") = "5"
    & skf21("5","6","5","1","1","1","4","1") = "5"
    & skf21("5","6","5","1","1","1","5","1") = "5"
    & skf21("5","6","5","1","1","1","6","1") = "5"
    & skf21("5","6","5","1","1","1","7","1") = "6"
    & skf21("5","6","5","1","1","2","1","1") = "5"
    & skf21("5","6","5","1","1","2","2","1") = "5"
    & skf21("5","6","5","1","1","2","3","1") = "5"
    & skf21("5","6","5","1","1","2","4","1") = "5"
    & skf21("5","6","5","1","1","2","5","1") = "5"
    & skf21("5","6","5","1","1","2","6","1") = "5"
    & skf21("5","6","5","1","1","2","7","1") = "6"
    & skf21("5","6","5","1","1","3","1","1") = "5"
    & skf21("5","6","5","1","1","3","2","1") = "5"
    & skf21("5","6","5","1","1","3","3","1") = "5"
    & skf21("5","6","5","1","1","3","4","1") = "5"
    & skf21("5","6","5","1","1","3","5","1") = "5"
    & skf21("5","6","5","1","1","3","6","1") = "5"
    & skf21("5","6","5","1","1","3","7","1") = "6"
    & skf21("5","6","5","1","1","4","1","1") = "5"
    & skf21("5","6","5","1","1","4","2","1") = "5"
    & skf21("5","6","5","1","1","4","3","1") = "5"
    & skf21("5","6","5","1","1","4","4","1") = "5"
    & skf21("5","6","5","1","1","4","5","1") = "5"
    & skf21("5","6","5","1","1","4","6","1") = "5"
    & skf21("5","6","5","1","1","4","7","1") = "6"
    & skf21("5","6","5","1","1","5","1","1") = "5"
    & skf21("5","6","5","1","1","5","2","1") = "5"
    & skf21("5","6","5","1","1","5","3","1") = "5"
    & skf21("5","6","5","1","1","5","4","1") = "5"
    & skf21("5","6","5","1","1","5","5","1") = "5"
    & skf21("5","6","5","1","1","5","6","1") = "5"
    & skf21("5","6","5","1","1","5","7","1") = "6"
    & skf21("5","6","5","1","1","6","1","1") = "5"
    & skf21("5","6","5","1","1","6","2","1") = "5"
    & skf21("5","6","5","1","1","6","3","1") = "5"
    & skf21("5","6","5","1","1","6","4","1") = "5"
    & skf21("5","6","5","1","1","6","5","1") = "5"
    & skf21("5","6","5","1","1","6","6","1") = "5"
    & skf21("5","6","5","1","1","6","7","1") = "6"
    & skf21("5","6","5","1","1","7","1","1") = "6"
    & skf21("5","6","5","1","1","7","2","1") = "6"
    & skf21("5","6","5","1","1","7","3","1") = "6"
    & skf21("5","6","5","1","1","7","4","1") = "6"
    & skf21("5","6","5","1","1","7","5","1") = "6"
    & skf21("5","6","5","1","1","7","6","1") = "6"
    & skf21("5","6","5","1","1","7","7","1") = "6"
    & skf21("5","6","5","1","2","1","1","1") = "5"
    & skf21("5","6","5","1","2","1","2","1") = "5"
    & skf21("5","6","5","1","2","1","3","1") = "5"
    & skf21("5","6","5","1","2","1","4","1") = "5"
    & skf21("5","6","5","1","2","1","5","1") = "5"
    & skf21("5","6","5","1","2","1","6","1") = "5"
    & skf21("5","6","5","1","2","1","7","1") = "6"
    & skf21("5","6","5","1","2","2","1","1") = "5"
    & skf21("5","6","5","1","2","2","2","1") = "5"
    & skf21("5","6","5","1","2","2","3","1") = "5"
    & skf21("5","6","5","1","2","2","4","1") = "5"
    & skf21("5","6","5","1","2","2","5","1") = "5"
    & skf21("5","6","5","1","2","2","6","1") = "5"
    & skf21("5","6","5","1","2","2","7","1") = "6"
    & skf21("5","6","5","1","2","3","1","1") = "5"
    & skf21("5","6","5","1","2","3","2","1") = "5"
    & skf21("5","6","5","1","2","3","3","1") = "5"
    & skf21("5","6","5","1","2","3","4","1") = "5"
    & skf21("5","6","5","1","2","3","5","1") = "5"
    & skf21("5","6","5","1","2","3","6","1") = "5"
    & skf21("5","6","5","1","2","3","7","1") = "6"
    & skf21("5","6","5","1","2","4","1","1") = "5"
    & skf21("5","6","5","1","2","4","2","1") = "5"
    & skf21("5","6","5","1","2","4","3","1") = "5"
    & skf21("5","6","5","1","2","4","4","1") = "5"
    & skf21("5","6","5","1","2","4","5","1") = "5"
    & skf21("5","6","5","1","2","4","6","1") = "5"
    & skf21("5","6","5","1","2","4","7","1") = "6"
    & skf21("5","6","5","1","2","5","1","1") = "5"
    & skf21("5","6","5","1","2","5","2","1") = "5"
    & skf21("5","6","5","1","2","5","3","1") = "5"
    & skf21("5","6","5","1","2","5","4","1") = "5"
    & skf21("5","6","5","1","2","5","5","1") = "5"
    & skf21("5","6","5","1","2","5","6","1") = "5"
    & skf21("5","6","5","1","2","5","7","1") = "6"
    & skf21("5","6","5","1","2","6","1","1") = "5"
    & skf21("5","6","5","1","2","6","2","1") = "5"
    & skf21("5","6","5","1","2","6","3","1") = "5"
    & skf21("5","6","5","1","2","6","4","1") = "5"
    & skf21("5","6","5","1","2","6","5","1") = "5"
    & skf21("5","6","5","1","2","6","6","1") = "5"
    & skf21("5","6","5","1","2","6","7","1") = "6"
    & skf21("5","6","5","1","2","7","1","1") = "6"
    & skf21("5","6","5","1","2","7","2","1") = "6"
    & skf21("5","6","5","1","2","7","3","1") = "6"
    & skf21("5","6","5","1","2","7","4","1") = "6"
    & skf21("5","6","5","1","2","7","5","1") = "6"
    & skf21("5","6","5","1","2","7","6","1") = "6"
    & skf21("5","6","5","1","2","7","7","1") = "6"
    & skf21("5","6","5","1","3","1","1","1") = "5"
    & skf21("5","6","5","1","3","1","2","1") = "5"
    & skf21("5","6","5","1","3","1","3","1") = "5"
    & skf21("5","6","5","1","3","1","4","1") = "5"
    & skf21("5","6","5","1","3","1","5","1") = "5"
    & skf21("5","6","5","1","3","1","6","1") = "5"
    & skf21("5","6","5","1","3","1","7","1") = "6"
    & skf21("5","6","5","1","3","2","1","1") = "5"
    & skf21("5","6","5","1","3","2","2","1") = "5"
    & skf21("5","6","5","1","3","2","3","1") = "5"
    & skf21("5","6","5","1","3","2","4","1") = "5"
    & skf21("5","6","5","1","3","2","5","1") = "5"
    & skf21("5","6","5","1","3","2","6","1") = "5"
    & skf21("5","6","5","1","3","2","7","1") = "6"
    & skf21("5","6","5","1","3","3","1","1") = "5"
    & skf21("5","6","5","1","3","3","2","1") = "5"
    & skf21("5","6","5","1","3","3","3","1") = "5"
    & skf21("5","6","5","1","3","3","4","1") = "5"
    & skf21("5","6","5","1","3","3","5","1") = "5"
    & skf21("5","6","5","1","3","3","6","1") = "5"
    & skf21("5","6","5","1","3","3","7","1") = "6"
    & skf21("5","6","5","1","3","4","1","1") = "5"
    & skf21("5","6","5","1","3","4","2","1") = "5"
    & skf21("5","6","5","1","3","4","3","1") = "5"
    & skf21("5","6","5","1","3","4","4","1") = "5"
    & skf21("5","6","5","1","3","4","5","1") = "5"
    & skf21("5","6","5","1","3","4","6","1") = "5"
    & skf21("5","6","5","1","3","4","7","1") = "6"
    & skf21("5","6","5","1","3","5","1","1") = "5"
    & skf21("5","6","5","1","3","5","2","1") = "5"
    & skf21("5","6","5","1","3","5","3","1") = "5"
    & skf21("5","6","5","1","3","5","4","1") = "5"
    & skf21("5","6","5","1","3","5","5","1") = "5"
    & skf21("5","6","5","1","3","5","6","1") = "5"
    & skf21("5","6","5","1","3","5","7","1") = "6"
    & skf21("5","6","5","1","3","6","1","1") = "5"
    & skf21("5","6","5","1","3","6","2","1") = "5"
    & skf21("5","6","5","1","3","6","3","1") = "5"
    & skf21("5","6","5","1","3","6","4","1") = "5"
    & skf21("5","6","5","1","3","6","5","1") = "5"
    & skf21("5","6","5","1","3","6","6","1") = "5"
    & skf21("5","6","5","1","3","6","7","1") = "6"
    & skf21("5","6","5","1","3","7","1","1") = "6"
    & skf21("5","6","5","1","3","7","2","1") = "6"
    & skf21("5","6","5","1","3","7","3","1") = "6"
    & skf21("5","6","5","1","3","7","4","1") = "6"
    & skf21("5","6","5","1","3","7","5","1") = "6"
    & skf21("5","6","5","1","3","7","6","1") = "6"
    & skf21("5","6","5","1","3","7","7","1") = "6"
    & skf21("5","6","5","1","4","1","1","1") = "5"
    & skf21("5","6","5","1","4","1","2","1") = "5"
    & skf21("5","6","5","1","4","1","3","1") = "5"
    & skf21("5","6","5","1","4","1","4","1") = "5"
    & skf21("5","6","5","1","4","1","5","1") = "5"
    & skf21("5","6","5","1","4","1","6","1") = "5"
    & skf21("5","6","5","1","4","1","7","1") = "6"
    & skf21("5","6","5","1","4","2","1","1") = "5"
    & skf21("5","6","5","1","4","2","2","1") = "5"
    & skf21("5","6","5","1","4","2","3","1") = "5"
    & skf21("5","6","5","1","4","2","4","1") = "5"
    & skf21("5","6","5","1","4","2","5","1") = "5"
    & skf21("5","6","5","1","4","2","6","1") = "5"
    & skf21("5","6","5","1","4","2","7","1") = "6"
    & skf21("5","6","5","1","4","3","1","1") = "5"
    & skf21("5","6","5","1","4","3","2","1") = "5"
    & skf21("5","6","5","1","4","3","3","1") = "5"
    & skf21("5","6","5","1","4","3","4","1") = "5"
    & skf21("5","6","5","1","4","3","5","1") = "5"
    & skf21("5","6","5","1","4","3","6","1") = "5"
    & skf21("5","6","5","1","4","3","7","1") = "6"
    & skf21("5","6","5","1","4","4","1","1") = "5"
    & skf21("5","6","5","1","4","4","2","1") = "5"
    & skf21("5","6","5","1","4","4","3","1") = "5"
    & skf21("5","6","5","1","4","4","4","1") = "5"
    & skf21("5","6","5","1","4","4","5","1") = "5"
    & skf21("5","6","5","1","4","4","6","1") = "5"
    & skf21("5","6","5","1","4","4","7","1") = "6"
    & skf21("5","6","5","1","4","5","1","1") = "5"
    & skf21("5","6","5","1","4","5","2","1") = "5"
    & skf21("5","6","5","1","4","5","3","1") = "5"
    & skf21("5","6","5","1","4","5","4","1") = "5"
    & skf21("5","6","5","1","4","5","5","1") = "5"
    & skf21("5","6","5","1","4","5","6","1") = "5"
    & skf21("5","6","5","1","4","5","7","1") = "6"
    & skf21("5","6","5","1","4","6","1","1") = "5"
    & skf21("5","6","5","1","4","6","2","1") = "5"
    & skf21("5","6","5","1","4","6","3","1") = "5"
    & skf21("5","6","5","1","4","6","4","1") = "5"
    & skf21("5","6","5","1","4","6","5","1") = "5"
    & skf21("5","6","5","1","4","6","6","1") = "5"
    & skf21("5","6","5","1","4","6","7","1") = "6"
    & skf21("5","6","5","1","4","7","1","1") = "6"
    & skf21("5","6","5","1","4","7","2","1") = "6"
    & skf21("5","6","5","1","4","7","3","1") = "6"
    & skf21("5","6","5","1","4","7","4","1") = "6"
    & skf21("5","6","5","1","4","7","5","1") = "6"
    & skf21("5","6","5","1","4","7","6","1") = "6"
    & skf21("5","6","5","1","4","7","7","1") = "6"
    & skf21("5","6","5","1","5","1","1","1") = "5"
    & skf21("5","6","5","1","5","1","2","1") = "5"
    & skf21("5","6","5","1","5","1","3","1") = "5"
    & skf21("5","6","5","1","5","1","4","1") = "5"
    & skf21("5","6","5","1","5","1","5","1") = "5"
    & skf21("5","6","5","1","5","1","6","1") = "5"
    & skf21("5","6","5","1","5","1","7","1") = "6"
    & skf21("5","6","5","1","5","2","1","1") = "5"
    & skf21("5","6","5","1","5","2","2","1") = "5"
    & skf21("5","6","5","1","5","2","3","1") = "5"
    & skf21("5","6","5","1","5","2","4","1") = "5"
    & skf21("5","6","5","1","5","2","5","1") = "5"
    & skf21("5","6","5","1","5","2","6","1") = "5"
    & skf21("5","6","5","1","5","2","7","1") = "6"
    & skf21("5","6","5","1","5","3","1","1") = "5"
    & skf21("5","6","5","1","5","3","2","1") = "5"
    & skf21("5","6","5","1","5","3","3","1") = "5"
    & skf21("5","6","5","1","5","3","4","1") = "5"
    & skf21("5","6","5","1","5","3","5","1") = "5"
    & skf21("5","6","5","1","5","3","6","1") = "5"
    & skf21("5","6","5","1","5","3","7","1") = "6"
    & skf21("5","6","5","1","5","4","1","1") = "5"
    & skf21("5","6","5","1","5","4","2","1") = "5"
    & skf21("5","6","5","1","5","4","3","1") = "5"
    & skf21("5","6","5","1","5","4","4","1") = "5"
    & skf21("5","6","5","1","5","4","5","1") = "5"
    & skf21("5","6","5","1","5","4","6","1") = "5"
    & skf21("5","6","5","1","5","4","7","1") = "6"
    & skf21("5","6","5","1","5","5","1","1") = "5"
    & skf21("5","6","5","1","5","5","2","1") = "5"
    & skf21("5","6","5","1","5","5","3","1") = "5"
    & skf21("5","6","5","1","5","5","4","1") = "5"
    & skf21("5","6","5","1","5","5","5","1") = "5"
    & skf21("5","6","5","1","5","5","6","1") = "5"
    & skf21("5","6","5","1","5","5","7","1") = "6"
    & skf21("5","6","5","1","5","6","1","1") = "5"
    & skf21("5","6","5","1","5","6","2","1") = "5"
    & skf21("5","6","5","1","5","6","3","1") = "5"
    & skf21("5","6","5","1","5","6","4","1") = "5"
    & skf21("5","6","5","1","5","6","5","1") = "5"
    & skf21("5","6","5","1","5","6","6","1") = "5"
    & skf21("5","6","5","1","5","6","7","1") = "6"
    & skf21("5","6","5","1","5","7","1","1") = "6"
    & skf21("5","6","5","1","5","7","2","1") = "6"
    & skf21("5","6","5","1","5","7","3","1") = "6"
    & skf21("5","6","5","1","5","7","4","1") = "6"
    & skf21("5","6","5","1","5","7","5","1") = "6"
    & skf21("5","6","5","1","5","7","6","1") = "6"
    & skf21("5","6","5","1","5","7","7","1") = "6"
    & skf21("5","6","5","1","6","1","1","1") = "5"
    & skf21("5","6","5","1","6","1","2","1") = "5"
    & skf21("5","6","5","1","6","1","3","1") = "5"
    & skf21("5","6","5","1","6","1","4","1") = "5"
    & skf21("5","6","5","1","6","1","5","1") = "5"
    & skf21("5","6","5","1","6","1","6","1") = "5"
    & skf21("5","6","5","1","6","1","7","1") = "6"
    & skf21("5","6","5","1","6","2","1","1") = "5"
    & skf21("5","6","5","1","6","2","2","1") = "5"
    & skf21("5","6","5","1","6","2","3","1") = "5"
    & skf21("5","6","5","1","6","2","4","1") = "5"
    & skf21("5","6","5","1","6","2","5","1") = "5"
    & skf21("5","6","5","1","6","2","6","1") = "5"
    & skf21("5","6","5","1","6","2","7","1") = "6"
    & skf21("5","6","5","1","6","3","1","1") = "5"
    & skf21("5","6","5","1","6","3","2","1") = "5"
    & skf21("5","6","5","1","6","3","3","1") = "5"
    & skf21("5","6","5","1","6","3","4","1") = "5"
    & skf21("5","6","5","1","6","3","5","1") = "5"
    & skf21("5","6","5","1","6","3","6","1") = "5"
    & skf21("5","6","5","1","6","3","7","1") = "6"
    & skf21("5","6","5","1","6","4","1","1") = "5"
    & skf21("5","6","5","1","6","4","2","1") = "5"
    & skf21("5","6","5","1","6","4","3","1") = "5"
    & skf21("5","6","5","1","6","4","4","1") = "5"
    & skf21("5","6","5","1","6","4","5","1") = "5"
    & skf21("5","6","5","1","6","4","6","1") = "5"
    & skf21("5","6","5","1","6","4","7","1") = "6"
    & skf21("5","6","5","1","6","5","1","1") = "5"
    & skf21("5","6","5","1","6","5","2","1") = "5"
    & skf21("5","6","5","1","6","5","3","1") = "5"
    & skf21("5","6","5","1","6","5","4","1") = "5"
    & skf21("5","6","5","1","6","5","5","1") = "5"
    & skf21("5","6","5","1","6","5","6","1") = "5"
    & skf21("5","6","5","1","6","5","7","1") = "6"
    & skf21("5","6","5","1","6","6","1","1") = "5"
    & skf21("5","6","5","1","6","6","2","1") = "5"
    & skf21("5","6","5","1","6","6","3","1") = "5"
    & skf21("5","6","5","1","6","6","4","1") = "5"
    & skf21("5","6","5","1","6","6","5","1") = "5"
    & skf21("5","6","5","1","6","6","6","1") = "5"
    & skf21("5","6","5","1","6","6","7","1") = "6"
    & skf21("5","6","5","1","6","7","1","1") = "6"
    & skf21("5","6","5","1","6","7","2","1") = "6"
    & skf21("5","6","5","1","6","7","3","1") = "6"
    & skf21("5","6","5","1","6","7","4","1") = "6"
    & skf21("5","6","5","1","6","7","5","1") = "6"
    & skf21("5","6","5","1","6","7","6","1") = "6"
    & skf21("5","6","5","1","6","7","7","1") = "6"
    & skf21("5","6","5","1","7","1","1","1") = "6"
    & skf21("5","6","5","1","7","1","2","1") = "6"
    & skf21("5","6","5","1","7","1","3","1") = "6"
    & skf21("5","6","5","1","7","1","4","1") = "6"
    & skf21("5","6","5","1","7","1","5","1") = "6"
    & skf21("5","6","5","1","7","1","6","1") = "6"
    & skf21("5","6","5","1","7","1","7","1") = "6"
    & skf21("5","6","5","1","7","2","1","1") = "6"
    & skf21("5","6","5","1","7","2","2","1") = "6"
    & skf21("5","6","5","1","7","2","3","1") = "6"
    & skf21("5","6","5","1","7","2","4","1") = "6"
    & skf21("5","6","5","1","7","2","5","1") = "6"
    & skf21("5","6","5","1","7","2","6","1") = "6"
    & skf21("5","6","5","1","7","2","7","1") = "6"
    & skf21("5","6","5","1","7","3","1","1") = "6"
    & skf21("5","6","5","1","7","3","2","1") = "6"
    & skf21("5","6","5","1","7","3","3","1") = "6"
    & skf21("5","6","5","1","7","3","4","1") = "6"
    & skf21("5","6","5","1","7","3","5","1") = "6"
    & skf21("5","6","5","1","7","3","6","1") = "6"
    & skf21("5","6","5","1","7","3","7","1") = "6"
    & skf21("5","6","5","1","7","4","1","1") = "6"
    & skf21("5","6","5","1","7","4","2","1") = "6"
    & skf21("5","6","5","1","7","4","3","1") = "6"
    & skf21("5","6","5","1","7","4","4","1") = "6"
    & skf21("5","6","5","1","7","4","5","1") = "6"
    & skf21("5","6","5","1","7","4","6","1") = "6"
    & skf21("5","6","5","1","7","4","7","1") = "6"
    & skf21("5","6","5","1","7","5","1","1") = "6"
    & skf21("5","6","5","1","7","5","2","1") = "6"
    & skf21("5","6","5","1","7","5","3","1") = "6"
    & skf21("5","6","5","1","7","5","4","1") = "6"
    & skf21("5","6","5","1","7","5","5","1") = "6"
    & skf21("5","6","5","1","7","5","6","1") = "6"
    & skf21("5","6","5","1","7","5","7","1") = "6"
    & skf21("5","6","5","1","7","6","1","1") = "6"
    & skf21("5","6","5","1","7","6","2","1") = "6"
    & skf21("5","6","5","1","7","6","3","1") = "6"
    & skf21("5","6","5","1","7","6","4","1") = "6"
    & skf21("5","6","5","1","7","6","5","1") = "6"
    & skf21("5","6","5","1","7","6","6","1") = "6"
    & skf21("5","6","5","1","7","6","7","1") = "6"
    & skf21("5","6","5","1","7","7","1","1") = "6"
    & skf21("5","6","5","1","7","7","2","1") = "6"
    & skf21("5","6","5","1","7","7","3","1") = "6"
    & skf21("5","6","5","1","7","7","4","1") = "6"
    & skf21("5","6","5","1","7","7","5","1") = "6"
    & skf21("5","6","5","1","7","7","6","1") = "6"
    & skf21("5","6","5","1","7","7","7","1") = "6"
    & skf21("5","6","5","2","1","1","1","1") = "5"
    & skf21("5","6","5","2","1","1","2","1") = "5"
    & skf21("5","6","5","2","1","1","3","1") = "5"
    & skf21("5","6","5","2","1","1","4","1") = "5"
    & skf21("5","6","5","2","1","1","5","1") = "5"
    & skf21("5","6","5","2","1","1","6","1") = "5"
    & skf21("5","6","5","2","1","1","7","1") = "6"
    & skf21("5","6","5","2","1","2","1","1") = "5"
    & skf21("5","6","5","2","1","2","2","1") = "5"
    & skf21("5","6","5","2","1","2","3","1") = "5"
    & skf21("5","6","5","2","1","2","4","1") = "5"
    & skf21("5","6","5","2","1","2","5","1") = "5"
    & skf21("5","6","5","2","1","2","6","1") = "5"
    & skf21("5","6","5","2","1","2","7","1") = "6"
    & skf21("5","6","5","2","1","3","1","1") = "5"
    & skf21("5","6","5","2","1","3","2","1") = "5"
    & skf21("5","6","5","2","1","3","3","1") = "5"
    & skf21("5","6","5","2","1","3","4","1") = "5"
    & skf21("5","6","5","2","1","3","5","1") = "5"
    & skf21("5","6","5","2","1","3","6","1") = "5"
    & skf21("5","6","5","2","1","3","7","1") = "6"
    & skf21("5","6","5","2","1","4","1","1") = "5"
    & skf21("5","6","5","2","1","4","2","1") = "5"
    & skf21("5","6","5","2","1","4","3","1") = "5"
    & skf21("5","6","5","2","1","4","4","1") = "5"
    & skf21("5","6","5","2","1","4","5","1") = "5"
    & skf21("5","6","5","2","1","4","6","1") = "5"
    & skf21("5","6","5","2","1","4","7","1") = "6"
    & skf21("5","6","5","2","1","5","1","1") = "5"
    & skf21("5","6","5","2","1","5","2","1") = "5"
    & skf21("5","6","5","2","1","5","3","1") = "5"
    & skf21("5","6","5","2","1","5","4","1") = "5"
    & skf21("5","6","5","2","1","5","5","1") = "5"
    & skf21("5","6","5","2","1","5","6","1") = "5"
    & skf21("5","6","5","2","1","5","7","1") = "6"
    & skf21("5","6","5","2","1","6","1","1") = "5"
    & skf21("5","6","5","2","1","6","2","1") = "5"
    & skf21("5","6","5","2","1","6","3","1") = "5"
    & skf21("5","6","5","2","1","6","4","1") = "5"
    & skf21("5","6","5","2","1","6","5","1") = "5"
    & skf21("5","6","5","2","1","6","6","1") = "5"
    & skf21("5","6","5","2","1","6","7","1") = "6"
    & skf21("5","6","5","2","1","7","1","1") = "6"
    & skf21("5","6","5","2","1","7","2","1") = "6"
    & skf21("5","6","5","2","1","7","3","1") = "6"
    & skf21("5","6","5","2","1","7","4","1") = "6"
    & skf21("5","6","5","2","1","7","5","1") = "6"
    & skf21("5","6","5","2","1","7","6","1") = "6"
    & skf21("5","6","5","2","1","7","7","1") = "6"
    & skf21("5","6","5","2","2","1","1","1") = "5"
    & skf21("5","6","5","2","2","1","2","1") = "5"
    & skf21("5","6","5","2","2","1","3","1") = "5"
    & skf21("5","6","5","2","2","1","4","1") = "5"
    & skf21("5","6","5","2","2","1","5","1") = "5"
    & skf21("5","6","5","2","2","1","6","1") = "5"
    & skf21("5","6","5","2","2","1","7","1") = "6"
    & skf21("5","6","5","2","2","2","1","1") = "5"
    & skf21("5","6","5","2","2","2","2","1") = "5"
    & skf21("5","6","5","2","2","2","3","1") = "5"
    & skf21("5","6","5","2","2","2","4","1") = "5"
    & skf21("5","6","5","2","2","2","5","1") = "5"
    & skf21("5","6","5","2","2","2","6","1") = "5"
    & skf21("5","6","5","2","2","2","7","1") = "6"
    & skf21("5","6","5","2","2","3","1","1") = "5"
    & skf21("5","6","5","2","2","3","2","1") = "5"
    & skf21("5","6","5","2","2","3","3","1") = "5"
    & skf21("5","6","5","2","2","3","4","1") = "5"
    & skf21("5","6","5","2","2","3","5","1") = "5"
    & skf21("5","6","5","2","2","3","6","1") = "5"
    & skf21("5","6","5","2","2","3","7","1") = "6"
    & skf21("5","6","5","2","2","4","1","1") = "5"
    & skf21("5","6","5","2","2","4","2","1") = "5"
    & skf21("5","6","5","2","2","4","3","1") = "5"
    & skf21("5","6","5","2","2","4","4","1") = "5"
    & skf21("5","6","5","2","2","4","5","1") = "5"
    & skf21("5","6","5","2","2","4","6","1") = "5"
    & skf21("5","6","5","2","2","4","7","1") = "6"
    & skf21("5","6","5","2","2","5","1","1") = "5"
    & skf21("5","6","5","2","2","5","2","1") = "5"
    & skf21("5","6","5","2","2","5","3","1") = "5"
    & skf21("5","6","5","2","2","5","4","1") = "5"
    & skf21("5","6","5","2","2","5","5","1") = "5"
    & skf21("5","6","5","2","2","5","6","1") = "5"
    & skf21("5","6","5","2","2","5","7","1") = "6"
    & skf21("5","6","5","2","2","6","1","1") = "5"
    & skf21("5","6","5","2","2","6","2","1") = "5"
    & skf21("5","6","5","2","2","6","3","1") = "5"
    & skf21("5","6","5","2","2","6","4","1") = "5"
    & skf21("5","6","5","2","2","6","5","1") = "5"
    & skf21("5","6","5","2","2","6","6","1") = "5"
    & skf21("5","6","5","2","2","6","7","1") = "6"
    & skf21("5","6","5","2","2","7","1","1") = "6"
    & skf21("5","6","5","2","2","7","2","1") = "6"
    & skf21("5","6","5","2","2","7","3","1") = "6"
    & skf21("5","6","5","2","2","7","4","1") = "6"
    & skf21("5","6","5","2","2","7","5","1") = "6"
    & skf21("5","6","5","2","2","7","6","1") = "6"
    & skf21("5","6","5","2","2","7","7","1") = "6"
    & skf21("5","6","5","2","3","1","1","1") = "5"
    & skf21("5","6","5","2","3","1","2","1") = "5"
    & skf21("5","6","5","2","3","1","3","1") = "5"
    & skf21("5","6","5","2","3","1","4","1") = "5"
    & skf21("5","6","5","2","3","1","5","1") = "5"
    & skf21("5","6","5","2","3","1","6","1") = "5"
    & skf21("5","6","5","2","3","1","7","1") = "6"
    & skf21("5","6","5","2","3","2","1","1") = "5"
    & skf21("5","6","5","2","3","2","2","1") = "5"
    & skf21("5","6","5","2","3","2","3","1") = "5"
    & skf21("5","6","5","2","3","2","4","1") = "5"
    & skf21("5","6","5","2","3","2","5","1") = "5"
    & skf21("5","6","5","2","3","2","6","1") = "5"
    & skf21("5","6","5","2","3","2","7","1") = "6"
    & skf21("5","6","5","2","3","3","1","1") = "5"
    & skf21("5","6","5","2","3","3","2","1") = "5"
    & skf21("5","6","5","2","3","3","3","1") = "5"
    & skf21("5","6","5","2","3","3","4","1") = "5"
    & skf21("5","6","5","2","3","3","5","1") = "5"
    & skf21("5","6","5","2","3","3","6","1") = "5"
    & skf21("5","6","5","2","3","3","7","1") = "6"
    & skf21("5","6","5","2","3","4","1","1") = "5"
    & skf21("5","6","5","2","3","4","2","1") = "5"
    & skf21("5","6","5","2","3","4","3","1") = "5"
    & skf21("5","6","5","2","3","4","4","1") = "5"
    & skf21("5","6","5","2","3","4","5","1") = "5"
    & skf21("5","6","5","2","3","4","6","1") = "5"
    & skf21("5","6","5","2","3","4","7","1") = "6"
    & skf21("5","6","5","2","3","5","1","1") = "5"
    & skf21("5","6","5","2","3","5","2","1") = "5"
    & skf21("5","6","5","2","3","5","3","1") = "5"
    & skf21("5","6","5","2","3","5","4","1") = "5"
    & skf21("5","6","5","2","3","5","5","1") = "5"
    & skf21("5","6","5","2","3","5","6","1") = "5"
    & skf21("5","6","5","2","3","5","7","1") = "6"
    & skf21("5","6","5","2","3","6","1","1") = "5"
    & skf21("5","6","5","2","3","6","2","1") = "5"
    & skf21("5","6","5","2","3","6","3","1") = "5"
    & skf21("5","6","5","2","3","6","4","1") = "5"
    & skf21("5","6","5","2","3","6","5","1") = "5"
    & skf21("5","6","5","2","3","6","6","1") = "5"
    & skf21("5","6","5","2","3","6","7","1") = "6"
    & skf21("5","6","5","2","3","7","1","1") = "6"
    & skf21("5","6","5","2","3","7","2","1") = "6"
    & skf21("5","6","5","2","3","7","3","1") = "6"
    & skf21("5","6","5","2","3","7","4","1") = "6"
    & skf21("5","6","5","2","3","7","5","1") = "6"
    & skf21("5","6","5","2","3","7","6","1") = "6"
    & skf21("5","6","5","2","3","7","7","1") = "6"
    & skf21("5","6","5","2","4","1","1","1") = "5"
    & skf21("5","6","5","2","4","1","2","1") = "5"
    & skf21("5","6","5","2","4","1","3","1") = "5"
    & skf21("5","6","5","2","4","1","4","1") = "5"
    & skf21("5","6","5","2","4","1","5","1") = "5"
    & skf21("5","6","5","2","4","1","6","1") = "5"
    & skf21("5","6","5","2","4","1","7","1") = "6"
    & skf21("5","6","5","2","4","2","1","1") = "5"
    & skf21("5","6","5","2","4","2","2","1") = "5"
    & skf21("5","6","5","2","4","2","3","1") = "5"
    & skf21("5","6","5","2","4","2","4","1") = "5"
    & skf21("5","6","5","2","4","2","5","1") = "5"
    & skf21("5","6","5","2","4","2","6","1") = "5"
    & skf21("5","6","5","2","4","2","7","1") = "6"
    & skf21("5","6","5","2","4","3","1","1") = "5"
    & skf21("5","6","5","2","4","3","2","1") = "5"
    & skf21("5","6","5","2","4","3","3","1") = "5"
    & skf21("5","6","5","2","4","3","4","1") = "5"
    & skf21("5","6","5","2","4","3","5","1") = "5"
    & skf21("5","6","5","2","4","3","6","1") = "5"
    & skf21("5","6","5","2","4","3","7","1") = "6"
    & skf21("5","6","5","2","4","4","1","1") = "5"
    & skf21("5","6","5","2","4","4","2","1") = "5"
    & skf21("5","6","5","2","4","4","3","1") = "5"
    & skf21("5","6","5","2","4","4","4","1") = "5"
    & skf21("5","6","5","2","4","4","5","1") = "5"
    & skf21("5","6","5","2","4","4","6","1") = "5"
    & skf21("5","6","5","2","4","4","7","1") = "6"
    & skf21("5","6","5","2","4","5","1","1") = "5"
    & skf21("5","6","5","2","4","5","2","1") = "5"
    & skf21("5","6","5","2","4","5","3","1") = "5"
    & skf21("5","6","5","2","4","5","4","1") = "5"
    & skf21("5","6","5","2","4","5","5","1") = "5"
    & skf21("5","6","5","2","4","5","6","1") = "5"
    & skf21("5","6","5","2","4","5","7","1") = "6"
    & skf21("5","6","5","2","4","6","1","1") = "5"
    & skf21("5","6","5","2","4","6","2","1") = "5"
    & skf21("5","6","5","2","4","6","3","1") = "5"
    & skf21("5","6","5","2","4","6","4","1") = "5"
    & skf21("5","6","5","2","4","6","5","1") = "5"
    & skf21("5","6","5","2","4","6","6","1") = "5"
    & skf21("5","6","5","2","4","6","7","1") = "6"
    & skf21("5","6","5","2","4","7","1","1") = "6"
    & skf21("5","6","5","2","4","7","2","1") = "6"
    & skf21("5","6","5","2","4","7","3","1") = "6"
    & skf21("5","6","5","2","4","7","4","1") = "6"
    & skf21("5","6","5","2","4","7","5","1") = "6"
    & skf21("5","6","5","2","4","7","6","1") = "6"
    & skf21("5","6","5","2","4","7","7","1") = "6"
    & skf21("5","6","5","2","5","1","1","1") = "5"
    & skf21("5","6","5","2","5","1","2","1") = "5"
    & skf21("5","6","5","2","5","1","3","1") = "5"
    & skf21("5","6","5","2","5","1","4","1") = "5"
    & skf21("5","6","5","2","5","1","5","1") = "5"
    & skf21("5","6","5","2","5","1","6","1") = "5"
    & skf21("5","6","5","2","5","1","7","1") = "6"
    & skf21("5","6","5","2","5","2","1","1") = "5"
    & skf21("5","6","5","2","5","2","2","1") = "5"
    & skf21("5","6","5","2","5","2","3","1") = "5"
    & skf21("5","6","5","2","5","2","4","1") = "5"
    & skf21("5","6","5","2","5","2","5","1") = "5"
    & skf21("5","6","5","2","5","2","6","1") = "5"
    & skf21("5","6","5","2","5","2","7","1") = "6"
    & skf21("5","6","5","2","5","3","1","1") = "5"
    & skf21("5","6","5","2","5","3","2","1") = "5"
    & skf21("5","6","5","2","5","3","3","1") = "5"
    & skf21("5","6","5","2","5","3","4","1") = "5"
    & skf21("5","6","5","2","5","3","5","1") = "5"
    & skf21("5","6","5","2","5","3","6","1") = "5"
    & skf21("5","6","5","2","5","3","7","1") = "6"
    & skf21("5","6","5","2","5","4","1","1") = "5"
    & skf21("5","6","5","2","5","4","2","1") = "5"
    & skf21("5","6","5","2","5","4","3","1") = "5"
    & skf21("5","6","5","2","5","4","4","1") = "5"
    & skf21("5","6","5","2","5","4","5","1") = "5"
    & skf21("5","6","5","2","5","4","6","1") = "5"
    & skf21("5","6","5","2","5","4","7","1") = "6"
    & skf21("5","6","5","2","5","5","1","1") = "5"
    & skf21("5","6","5","2","5","5","2","1") = "5"
    & skf21("5","6","5","2","5","5","3","1") = "5"
    & skf21("5","6","5","2","5","5","4","1") = "5"
    & skf21("5","6","5","2","5","5","5","1") = "5"
    & skf21("5","6","5","2","5","5","6","1") = "5"
    & skf21("5","6","5","2","5","5","7","1") = "6"
    & skf21("5","6","5","2","5","6","1","1") = "5"
    & skf21("5","6","5","2","5","6","2","1") = "5"
    & skf21("5","6","5","2","5","6","3","1") = "5"
    & skf21("5","6","5","2","5","6","4","1") = "5"
    & skf21("5","6","5","2","5","6","5","1") = "5"
    & skf21("5","6","5","2","5","6","6","1") = "5"
    & skf21("5","6","5","2","5","6","7","1") = "6"
    & skf21("5","6","5","2","5","7","1","1") = "6"
    & skf21("5","6","5","2","5","7","2","1") = "6"
    & skf21("5","6","5","2","5","7","3","1") = "6"
    & skf21("5","6","5","2","5","7","4","1") = "6"
    & skf21("5","6","5","2","5","7","5","1") = "6"
    & skf21("5","6","5","2","5","7","6","1") = "6"
    & skf21("5","6","5","2","5","7","7","1") = "6"
    & skf21("5","6","5","2","6","1","1","1") = "5"
    & skf21("5","6","5","2","6","1","2","1") = "5"
    & skf21("5","6","5","2","6","1","3","1") = "5"
    & skf21("5","6","5","2","6","1","4","1") = "5"
    & skf21("5","6","5","2","6","1","5","1") = "5"
    & skf21("5","6","5","2","6","1","6","1") = "5"
    & skf21("5","6","5","2","6","1","7","1") = "6"
    & skf21("5","6","5","2","6","2","1","1") = "5"
    & skf21("5","6","5","2","6","2","2","1") = "5"
    & skf21("5","6","5","2","6","2","3","1") = "5"
    & skf21("5","6","5","2","6","2","4","1") = "5"
    & skf21("5","6","5","2","6","2","5","1") = "5"
    & skf21("5","6","5","2","6","2","6","1") = "5"
    & skf21("5","6","5","2","6","2","7","1") = "6"
    & skf21("5","6","5","2","6","3","1","1") = "5"
    & skf21("5","6","5","2","6","3","2","1") = "5"
    & skf21("5","6","5","2","6","3","3","1") = "5"
    & skf21("5","6","5","2","6","3","4","1") = "5"
    & skf21("5","6","5","2","6","3","5","1") = "5"
    & skf21("5","6","5","2","6","3","6","1") = "5"
    & skf21("5","6","5","2","6","3","7","1") = "6"
    & skf21("5","6","5","2","6","4","1","1") = "5"
    & skf21("5","6","5","2","6","4","2","1") = "5"
    & skf21("5","6","5","2","6","4","3","1") = "5"
    & skf21("5","6","5","2","6","4","4","1") = "5"
    & skf21("5","6","5","2","6","4","5","1") = "5"
    & skf21("5","6","5","2","6","4","6","1") = "5"
    & skf21("5","6","5","2","6","4","7","1") = "6"
    & skf21("5","6","5","2","6","5","1","1") = "5"
    & skf21("5","6","5","2","6","5","2","1") = "5"
    & skf21("5","6","5","2","6","5","3","1") = "5"
    & skf21("5","6","5","2","6","5","4","1") = "5"
    & skf21("5","6","5","2","6","5","5","1") = "5"
    & skf21("5","6","5","2","6","5","6","1") = "5"
    & skf21("5","6","5","2","6","5","7","1") = "6"
    & skf21("5","6","5","2","6","6","1","1") = "5"
    & skf21("5","6","5","2","6","6","2","1") = "5"
    & skf21("5","6","5","2","6","6","3","1") = "5"
    & skf21("5","6","5","2","6","6","4","1") = "5"
    & skf21("5","6","5","2","6","6","5","1") = "5"
    & skf21("5","6","5","2","6","6","6","1") = "5"
    & skf21("5","6","5","2","6","6","7","1") = "6"
    & skf21("5","6","5","2","6","7","1","1") = "6"
    & skf21("5","6","5","2","6","7","2","1") = "6"
    & skf21("5","6","5","2","6","7","3","1") = "6"
    & skf21("5","6","5","2","6","7","4","1") = "6"
    & skf21("5","6","5","2","6","7","5","1") = "6"
    & skf21("5","6","5","2","6","7","6","1") = "6"
    & skf21("5","6","5","2","6","7","7","1") = "6"
    & skf21("5","6","5","2","7","1","1","1") = "6"
    & skf21("5","6","5","2","7","1","2","1") = "6"
    & skf21("5","6","5","2","7","1","3","1") = "6"
    & skf21("5","6","5","2","7","1","4","1") = "6"
    & skf21("5","6","5","2","7","1","5","1") = "6"
    & skf21("5","6","5","2","7","1","6","1") = "6"
    & skf21("5","6","5","2","7","1","7","1") = "6"
    & skf21("5","6","5","2","7","2","1","1") = "6"
    & skf21("5","6","5","2","7","2","2","1") = "6"
    & skf21("5","6","5","2","7","2","3","1") = "6"
    & skf21("5","6","5","2","7","2","4","1") = "6"
    & skf21("5","6","5","2","7","2","5","1") = "6"
    & skf21("5","6","5","2","7","2","6","1") = "6"
    & skf21("5","6","5","2","7","2","7","1") = "6"
    & skf21("5","6","5","2","7","3","1","1") = "6"
    & skf21("5","6","5","2","7","3","2","1") = "6"
    & skf21("5","6","5","2","7","3","3","1") = "6"
    & skf21("5","6","5","2","7","3","4","1") = "6"
    & skf21("5","6","5","2","7","3","5","1") = "6"
    & skf21("5","6","5","2","7","3","6","1") = "6"
    & skf21("5","6","5","2","7","3","7","1") = "6"
    & skf21("5","6","5","2","7","4","1","1") = "6"
    & skf21("5","6","5","2","7","4","2","1") = "6"
    & skf21("5","6","5","2","7","4","3","1") = "6"
    & skf21("5","6","5","2","7","4","4","1") = "6"
    & skf21("5","6","5","2","7","4","5","1") = "6"
    & skf21("5","6","5","2","7","4","6","1") = "6"
    & skf21("5","6","5","2","7","4","7","1") = "6"
    & skf21("5","6","5","2","7","5","1","1") = "6"
    & skf21("5","6","5","2","7","5","2","1") = "6"
    & skf21("5","6","5","2","7","5","3","1") = "6"
    & skf21("5","6","5","2","7","5","4","1") = "6"
    & skf21("5","6","5","2","7","5","5","1") = "6"
    & skf21("5","6","5","2","7","5","6","1") = "6"
    & skf21("5","6","5","2","7","5","7","1") = "6"
    & skf21("5","6","5","2","7","6","1","1") = "6"
    & skf21("5","6","5","2","7","6","2","1") = "6"
    & skf21("5","6","5","2","7","6","3","1") = "6"
    & skf21("5","6","5","2","7","6","4","1") = "6"
    & skf21("5","6","5","2","7","6","5","1") = "6"
    & skf21("5","6","5","2","7","6","6","1") = "6"
    & skf21("5","6","5","2","7","6","7","1") = "6"
    & skf21("5","6","5","2","7","7","1","1") = "6"
    & skf21("5","6","5","2","7","7","2","1") = "6"
    & skf21("5","6","5","2","7","7","3","1") = "6"
    & skf21("5","6","5","2","7","7","4","1") = "6"
    & skf21("5","6","5","2","7","7","5","1") = "6"
    & skf21("5","6","5","2","7","7","6","1") = "6"
    & skf21("5","6","5","2","7","7","7","1") = "6"
    & skf21("5","6","5","3","1","1","1","1") = "5"
    & skf21("5","6","5","3","1","1","2","1") = "5"
    & skf21("5","6","5","3","1","1","3","1") = "5"
    & skf21("5","6","5","3","1","1","4","1") = "5"
    & skf21("5","6","5","3","1","1","5","1") = "5"
    & skf21("5","6","5","3","1","1","6","1") = "5"
    & skf21("5","6","5","3","1","1","7","1") = "6"
    & skf21("5","6","5","3","1","2","1","1") = "5"
    & skf21("5","6","5","3","1","2","2","1") = "5"
    & skf21("5","6","5","3","1","2","3","1") = "5"
    & skf21("5","6","5","3","1","2","4","1") = "5"
    & skf21("5","6","5","3","1","2","5","1") = "5"
    & skf21("5","6","5","3","1","2","6","1") = "5"
    & skf21("5","6","5","3","1","2","7","1") = "6"
    & skf21("5","6","5","3","1","3","1","1") = "5"
    & skf21("5","6","5","3","1","3","2","1") = "5"
    & skf21("5","6","5","3","1","3","3","1") = "5"
    & skf21("5","6","5","3","1","3","4","1") = "5"
    & skf21("5","6","5","3","1","3","5","1") = "5"
    & skf21("5","6","5","3","1","3","6","1") = "5"
    & skf21("5","6","5","3","1","3","7","1") = "6"
    & skf21("5","6","5","3","1","4","1","1") = "5"
    & skf21("5","6","5","3","1","4","2","1") = "5"
    & skf21("5","6","5","3","1","4","3","1") = "5"
    & skf21("5","6","5","3","1","4","4","1") = "5"
    & skf21("5","6","5","3","1","4","5","1") = "5"
    & skf21("5","6","5","3","1","4","6","1") = "5"
    & skf21("5","6","5","3","1","4","7","1") = "6"
    & skf21("5","6","5","3","1","5","1","1") = "5"
    & skf21("5","6","5","3","1","5","2","1") = "5"
    & skf21("5","6","5","3","1","5","3","1") = "5"
    & skf21("5","6","5","3","1","5","4","1") = "5"
    & skf21("5","6","5","3","1","5","5","1") = "5"
    & skf21("5","6","5","3","1","5","6","1") = "5"
    & skf21("5","6","5","3","1","5","7","1") = "6"
    & skf21("5","6","5","3","1","6","1","1") = "5"
    & skf21("5","6","5","3","1","6","2","1") = "5"
    & skf21("5","6","5","3","1","6","3","1") = "5"
    & skf21("5","6","5","3","1","6","4","1") = "5"
    & skf21("5","6","5","3","1","6","5","1") = "5"
    & skf21("5","6","5","3","1","6","6","1") = "5"
    & skf21("5","6","5","3","1","6","7","1") = "6"
    & skf21("5","6","5","3","1","7","1","1") = "6"
    & skf21("5","6","5","3","1","7","2","1") = "6"
    & skf21("5","6","5","3","1","7","3","1") = "6"
    & skf21("5","6","5","3","1","7","4","1") = "6"
    & skf21("5","6","5","3","1","7","5","1") = "6"
    & skf21("5","6","5","3","1","7","6","1") = "6"
    & skf21("5","6","5","3","1","7","7","1") = "6"
    & skf21("5","6","5","3","2","1","1","1") = "5"
    & skf21("5","6","5","3","2","1","2","1") = "5"
    & skf21("5","6","5","3","2","1","3","1") = "5"
    & skf21("5","6","5","3","2","1","4","1") = "5"
    & skf21("5","6","5","3","2","1","5","1") = "5"
    & skf21("5","6","5","3","2","1","6","1") = "5"
    & skf21("5","6","5","3","2","1","7","1") = "6"
    & skf21("5","6","5","3","2","2","1","1") = "5"
    & skf21("5","6","5","3","2","2","2","1") = "5"
    & skf21("5","6","5","3","2","2","3","1") = "5"
    & skf21("5","6","5","3","2","2","4","1") = "5"
    & skf21("5","6","5","3","2","2","5","1") = "5"
    & skf21("5","6","5","3","2","2","6","1") = "5"
    & skf21("5","6","5","3","2","2","7","1") = "6"
    & skf21("5","6","5","3","2","3","1","1") = "5"
    & skf21("5","6","5","3","2","3","2","1") = "5"
    & skf21("5","6","5","3","2","3","3","1") = "5"
    & skf21("5","6","5","3","2","3","4","1") = "5"
    & skf21("5","6","5","3","2","3","5","1") = "5"
    & skf21("5","6","5","3","2","3","6","1") = "5"
    & skf21("5","6","5","3","2","3","7","1") = "6"
    & skf21("5","6","5","3","2","4","1","1") = "5"
    & skf21("5","6","5","3","2","4","2","1") = "5"
    & skf21("5","6","5","3","2","4","3","1") = "5"
    & skf21("5","6","5","3","2","4","4","1") = "5"
    & skf21("5","6","5","3","2","4","5","1") = "5"
    & skf21("5","6","5","3","2","4","6","1") = "5"
    & skf21("5","6","5","3","2","4","7","1") = "6"
    & skf21("5","6","5","3","2","5","1","1") = "5"
    & skf21("5","6","5","3","2","5","2","1") = "5"
    & skf21("5","6","5","3","2","5","3","1") = "5"
    & skf21("5","6","5","3","2","5","4","1") = "5"
    & skf21("5","6","5","3","2","5","5","1") = "5"
    & skf21("5","6","5","3","2","5","6","1") = "5"
    & skf21("5","6","5","3","2","5","7","1") = "6"
    & skf21("5","6","5","3","2","6","1","1") = "5"
    & skf21("5","6","5","3","2","6","2","1") = "5"
    & skf21("5","6","5","3","2","6","3","1") = "5"
    & skf21("5","6","5","3","2","6","4","1") = "5"
    & skf21("5","6","5","3","2","6","5","1") = "5"
    & skf21("5","6","5","3","2","6","6","1") = "5"
    & skf21("5","6","5","3","2","6","7","1") = "6"
    & skf21("5","6","5","3","2","7","1","1") = "6"
    & skf21("5","6","5","3","2","7","2","1") = "6"
    & skf21("5","6","5","3","2","7","3","1") = "6"
    & skf21("5","6","5","3","2","7","4","1") = "6"
    & skf21("5","6","5","3","2","7","5","1") = "6"
    & skf21("5","6","5","3","2","7","6","1") = "6"
    & skf21("5","6","5","3","2","7","7","1") = "6"
    & skf21("5","6","5","3","3","1","1","1") = "5"
    & skf21("5","6","5","3","3","1","2","1") = "5"
    & skf21("5","6","5","3","3","1","3","1") = "5"
    & skf21("5","6","5","3","3","1","4","1") = "5"
    & skf21("5","6","5","3","3","1","5","1") = "5"
    & skf21("5","6","5","3","3","1","6","1") = "5"
    & skf21("5","6","5","3","3","1","7","1") = "6"
    & skf21("5","6","5","3","3","2","1","1") = "5"
    & skf21("5","6","5","3","3","2","2","1") = "5"
    & skf21("5","6","5","3","3","2","3","1") = "5"
    & skf21("5","6","5","3","3","2","4","1") = "5"
    & skf21("5","6","5","3","3","2","5","1") = "5"
    & skf21("5","6","5","3","3","2","6","1") = "5"
    & skf21("5","6","5","3","3","2","7","1") = "6"
    & skf21("5","6","5","3","3","3","1","1") = "5"
    & skf21("5","6","5","3","3","3","2","1") = "5"
    & skf21("5","6","5","3","3","3","3","1") = "5"
    & skf21("5","6","5","3","3","3","4","1") = "5"
    & skf21("5","6","5","3","3","3","5","1") = "5"
    & skf21("5","6","5","3","3","3","6","1") = "5"
    & skf21("5","6","5","3","3","3","7","1") = "6"
    & skf21("5","6","5","3","3","4","1","1") = "5"
    & skf21("5","6","5","3","3","4","2","1") = "5"
    & skf21("5","6","5","3","3","4","3","1") = "5"
    & skf21("5","6","5","3","3","4","4","1") = "5"
    & skf21("5","6","5","3","3","4","5","1") = "5"
    & skf21("5","6","5","3","3","4","6","1") = "5"
    & skf21("5","6","5","3","3","4","7","1") = "6"
    & skf21("5","6","5","3","3","5","1","1") = "5"
    & skf21("5","6","5","3","3","5","2","1") = "5"
    & skf21("5","6","5","3","3","5","3","1") = "5"
    & skf21("5","6","5","3","3","5","4","1") = "5"
    & skf21("5","6","5","3","3","5","5","1") = "5"
    & skf21("5","6","5","3","3","5","6","1") = "5"
    & skf21("5","6","5","3","3","5","7","1") = "6"
    & skf21("5","6","5","3","3","6","1","1") = "5"
    & skf21("5","6","5","3","3","6","2","1") = "5"
    & skf21("5","6","5","3","3","6","3","1") = "5"
    & skf21("5","6","5","3","3","6","4","1") = "5"
    & skf21("5","6","5","3","3","6","5","1") = "5"
    & skf21("5","6","5","3","3","6","6","1") = "5"
    & skf21("5","6","5","3","3","6","7","1") = "6"
    & skf21("5","6","5","3","3","7","1","1") = "6"
    & skf21("5","6","5","3","3","7","2","1") = "6"
    & skf21("5","6","5","3","3","7","3","1") = "6"
    & skf21("5","6","5","3","3","7","4","1") = "6"
    & skf21("5","6","5","3","3","7","5","1") = "6"
    & skf21("5","6","5","3","3","7","6","1") = "6"
    & skf21("5","6","5","3","3","7","7","1") = "6"
    & skf21("5","6","5","3","4","1","1","1") = "5"
    & skf21("5","6","5","3","4","1","2","1") = "5"
    & skf21("5","6","5","3","4","1","3","1") = "5"
    & skf21("5","6","5","3","4","1","4","1") = "5"
    & skf21("5","6","5","3","4","1","5","1") = "5"
    & skf21("5","6","5","3","4","1","6","1") = "5"
    & skf21("5","6","5","3","4","1","7","1") = "6"
    & skf21("5","6","5","3","4","2","1","1") = "5"
    & skf21("5","6","5","3","4","2","2","1") = "5"
    & skf21("5","6","5","3","4","2","3","1") = "5"
    & skf21("5","6","5","3","4","2","4","1") = "5"
    & skf21("5","6","5","3","4","2","5","1") = "5"
    & skf21("5","6","5","3","4","2","6","1") = "5"
    & skf21("5","6","5","3","4","2","7","1") = "6"
    & skf21("5","6","5","3","4","3","1","1") = "5"
    & skf21("5","6","5","3","4","3","2","1") = "5"
    & skf21("5","6","5","3","4","3","3","1") = "5"
    & skf21("5","6","5","3","4","3","4","1") = "5"
    & skf21("5","6","5","3","4","3","5","1") = "5"
    & skf21("5","6","5","3","4","3","6","1") = "5"
    & skf21("5","6","5","3","4","3","7","1") = "6"
    & skf21("5","6","5","3","4","4","1","1") = "5"
    & skf21("5","6","5","3","4","4","2","1") = "5"
    & skf21("5","6","5","3","4","4","3","1") = "5"
    & skf21("5","6","5","3","4","4","4","1") = "5"
    & skf21("5","6","5","3","4","4","5","1") = "5"
    & skf21("5","6","5","3","4","4","6","1") = "5"
    & skf21("5","6","5","3","4","4","7","1") = "6"
    & skf21("5","6","5","3","4","5","1","1") = "5"
    & skf21("5","6","5","3","4","5","2","1") = "5"
    & skf21("5","6","5","3","4","5","3","1") = "5"
    & skf21("5","6","5","3","4","5","4","1") = "5"
    & skf21("5","6","5","3","4","5","5","1") = "5"
    & skf21("5","6","5","3","4","5","6","1") = "5"
    & skf21("5","6","5","3","4","5","7","1") = "6"
    & skf21("5","6","5","3","4","6","1","1") = "5"
    & skf21("5","6","5","3","4","6","2","1") = "5"
    & skf21("5","6","5","3","4","6","3","1") = "5"
    & skf21("5","6","5","3","4","6","4","1") = "5"
    & skf21("5","6","5","3","4","6","5","1") = "5"
    & skf21("5","6","5","3","4","6","6","1") = "5"
    & skf21("5","6","5","3","4","6","7","1") = "6"
    & skf21("5","6","5","3","4","7","1","1") = "6"
    & skf21("5","6","5","3","4","7","2","1") = "6"
    & skf21("5","6","5","3","4","7","3","1") = "6"
    & skf21("5","6","5","3","4","7","4","1") = "6"
    & skf21("5","6","5","3","4","7","5","1") = "6"
    & skf21("5","6","5","3","4","7","6","1") = "6"
    & skf21("5","6","5","3","4","7","7","1") = "6"
    & skf21("5","6","5","3","5","1","1","1") = "5"
    & skf21("5","6","5","3","5","1","2","1") = "5"
    & skf21("5","6","5","3","5","1","3","1") = "5"
    & skf21("5","6","5","3","5","1","4","1") = "5"
    & skf21("5","6","5","3","5","1","5","1") = "5"
    & skf21("5","6","5","3","5","1","6","1") = "5"
    & skf21("5","6","5","3","5","1","7","1") = "6"
    & skf21("5","6","5","3","5","2","1","1") = "5"
    & skf21("5","6","5","3","5","2","2","1") = "5"
    & skf21("5","6","5","3","5","2","3","1") = "5"
    & skf21("5","6","5","3","5","2","4","1") = "5"
    & skf21("5","6","5","3","5","2","5","1") = "5"
    & skf21("5","6","5","3","5","2","6","1") = "5"
    & skf21("5","6","5","3","5","2","7","1") = "6"
    & skf21("5","6","5","3","5","3","1","1") = "5"
    & skf21("5","6","5","3","5","3","2","1") = "5"
    & skf21("5","6","5","3","5","3","3","1") = "5"
    & skf21("5","6","5","3","5","3","4","1") = "5"
    & skf21("5","6","5","3","5","3","5","1") = "5"
    & skf21("5","6","5","3","5","3","6","1") = "5"
    & skf21("5","6","5","3","5","3","7","1") = "6"
    & skf21("5","6","5","3","5","4","1","1") = "5"
    & skf21("5","6","5","3","5","4","2","1") = "5"
    & skf21("5","6","5","3","5","4","3","1") = "5"
    & skf21("5","6","5","3","5","4","4","1") = "5"
    & skf21("5","6","5","3","5","4","5","1") = "5"
    & skf21("5","6","5","3","5","4","6","1") = "5"
    & skf21("5","6","5","3","5","4","7","1") = "6"
    & skf21("5","6","5","3","5","5","1","1") = "5"
    & skf21("5","6","5","3","5","5","2","1") = "5"
    & skf21("5","6","5","3","5","5","3","1") = "5"
    & skf21("5","6","5","3","5","5","4","1") = "5"
    & skf21("5","6","5","3","5","5","5","1") = "5"
    & skf21("5","6","5","3","5","5","6","1") = "5"
    & skf21("5","6","5","3","5","5","7","1") = "6"
    & skf21("5","6","5","3","5","6","1","1") = "5"
    & skf21("5","6","5","3","5","6","2","1") = "5"
    & skf21("5","6","5","3","5","6","3","1") = "5"
    & skf21("5","6","5","3","5","6","4","1") = "5"
    & skf21("5","6","5","3","5","6","5","1") = "5"
    & skf21("5","6","5","3","5","6","6","1") = "5"
    & skf21("5","6","5","3","5","6","7","1") = "6"
    & skf21("5","6","5","3","5","7","1","1") = "6"
    & skf21("5","6","5","3","5","7","2","1") = "6"
    & skf21("5","6","5","3","5","7","3","1") = "6"
    & skf21("5","6","5","3","5","7","4","1") = "6"
    & skf21("5","6","5","3","5","7","5","1") = "6"
    & skf21("5","6","5","3","5","7","6","1") = "6"
    & skf21("5","6","5","3","5","7","7","1") = "6"
    & skf21("5","6","5","3","6","1","1","1") = "5"
    & skf21("5","6","5","3","6","1","2","1") = "5"
    & skf21("5","6","5","3","6","1","3","1") = "5"
    & skf21("5","6","5","3","6","1","4","1") = "5"
    & skf21("5","6","5","3","6","1","5","1") = "5"
    & skf21("5","6","5","3","6","1","6","1") = "5"
    & skf21("5","6","5","3","6","1","7","1") = "6"
    & skf21("5","6","5","3","6","2","1","1") = "5"
    & skf21("5","6","5","3","6","2","2","1") = "5"
    & skf21("5","6","5","3","6","2","3","1") = "5"
    & skf21("5","6","5","3","6","2","4","1") = "5"
    & skf21("5","6","5","3","6","2","5","1") = "5"
    & skf21("5","6","5","3","6","2","6","1") = "5"
    & skf21("5","6","5","3","6","2","7","1") = "6"
    & skf21("5","6","5","3","6","3","1","1") = "5"
    & skf21("5","6","5","3","6","3","2","1") = "5"
    & skf21("5","6","5","3","6","3","3","1") = "5"
    & skf21("5","6","5","3","6","3","4","1") = "5"
    & skf21("5","6","5","3","6","3","5","1") = "5"
    & skf21("5","6","5","3","6","3","6","1") = "5"
    & skf21("5","6","5","3","6","3","7","1") = "6"
    & skf21("5","6","5","3","6","4","1","1") = "5"
    & skf21("5","6","5","3","6","4","2","1") = "5"
    & skf21("5","6","5","3","6","4","3","1") = "5"
    & skf21("5","6","5","3","6","4","4","1") = "5"
    & skf21("5","6","5","3","6","4","5","1") = "5"
    & skf21("5","6","5","3","6","4","6","1") = "5"
    & skf21("5","6","5","3","6","4","7","1") = "6"
    & skf21("5","6","5","3","6","5","1","1") = "5"
    & skf21("5","6","5","3","6","5","2","1") = "5"
    & skf21("5","6","5","3","6","5","3","1") = "5"
    & skf21("5","6","5","3","6","5","4","1") = "5"
    & skf21("5","6","5","3","6","5","5","1") = "5"
    & skf21("5","6","5","3","6","5","6","1") = "5"
    & skf21("5","6","5","3","6","5","7","1") = "6"
    & skf21("5","6","5","3","6","6","1","1") = "5"
    & skf21("5","6","5","3","6","6","2","1") = "5"
    & skf21("5","6","5","3","6","6","3","1") = "5"
    & skf21("5","6","5","3","6","6","4","1") = "5"
    & skf21("5","6","5","3","6","6","5","1") = "5"
    & skf21("5","6","5","3","6","6","6","1") = "5"
    & skf21("5","6","5","3","6","6","7","1") = "6"
    & skf21("5","6","5","3","6","7","1","1") = "6"
    & skf21("5","6","5","3","6","7","2","1") = "6"
    & skf21("5","6","5","3","6","7","3","1") = "6"
    & skf21("5","6","5","3","6","7","4","1") = "6"
    & skf21("5","6","5","3","6","7","5","1") = "6"
    & skf21("5","6","5","3","6","7","6","1") = "6"
    & skf21("5","6","5","3","6","7","7","1") = "6"
    & skf21("5","6","5","3","7","1","1","1") = "6"
    & skf21("5","6","5","3","7","1","2","1") = "6"
    & skf21("5","6","5","3","7","1","3","1") = "6"
    & skf21("5","6","5","3","7","1","4","1") = "6"
    & skf21("5","6","5","3","7","1","5","1") = "6"
    & skf21("5","6","5","3","7","1","6","1") = "6"
    & skf21("5","6","5","3","7","1","7","1") = "6"
    & skf21("5","6","5","3","7","2","1","1") = "6"
    & skf21("5","6","5","3","7","2","2","1") = "6"
    & skf21("5","6","5","3","7","2","3","1") = "6"
    & skf21("5","6","5","3","7","2","4","1") = "6"
    & skf21("5","6","5","3","7","2","5","1") = "6"
    & skf21("5","6","5","3","7","2","6","1") = "6"
    & skf21("5","6","5","3","7","2","7","1") = "6"
    & skf21("5","6","5","3","7","3","1","1") = "6"
    & skf21("5","6","5","3","7","3","2","1") = "6"
    & skf21("5","6","5","3","7","3","3","1") = "6"
    & skf21("5","6","5","3","7","3","4","1") = "6"
    & skf21("5","6","5","3","7","3","5","1") = "6"
    & skf21("5","6","5","3","7","3","6","1") = "6"
    & skf21("5","6","5","3","7","3","7","1") = "6"
    & skf21("5","6","5","3","7","4","1","1") = "6"
    & skf21("5","6","5","3","7","4","2","1") = "6"
    & skf21("5","6","5","3","7","4","3","1") = "6"
    & skf21("5","6","5","3","7","4","4","1") = "6"
    & skf21("5","6","5","3","7","4","5","1") = "6"
    & skf21("5","6","5","3","7","4","6","1") = "6"
    & skf21("5","6","5","3","7","4","7","1") = "6"
    & skf21("5","6","5","3","7","5","1","1") = "6"
    & skf21("5","6","5","3","7","5","2","1") = "6"
    & skf21("5","6","5","3","7","5","3","1") = "6"
    & skf21("5","6","5","3","7","5","4","1") = "6"
    & skf21("5","6","5","3","7","5","5","1") = "6"
    & skf21("5","6","5","3","7","5","6","1") = "6"
    & skf21("5","6","5","3","7","5","7","1") = "6"
    & skf21("5","6","5","3","7","6","1","1") = "6"
    & skf21("5","6","5","3","7","6","2","1") = "6"
    & skf21("5","6","5","3","7","6","3","1") = "6"
    & skf21("5","6","5","3","7","6","4","1") = "6"
    & skf21("5","6","5","3","7","6","5","1") = "6"
    & skf21("5","6","5","3","7","6","6","1") = "6"
    & skf21("5","6","5","3","7","6","7","1") = "6"
    & skf21("5","6","5","3","7","7","1","1") = "6"
    & skf21("5","6","5","3","7","7","2","1") = "6"
    & skf21("5","6","5","3","7","7","3","1") = "6"
    & skf21("5","6","5","3","7","7","4","1") = "6"
    & skf21("5","6","5","3","7","7","5","1") = "6"
    & skf21("5","6","5","3","7","7","6","1") = "6"
    & skf21("5","6","5","3","7","7","7","1") = "6"
    & skf21("5","6","5","4","1","1","1","1") = "5"
    & skf21("5","6","5","4","1","1","2","1") = "5"
    & skf21("5","6","5","4","1","1","3","1") = "5"
    & skf21("5","6","5","4","1","1","4","1") = "5"
    & skf21("5","6","5","4","1","1","5","1") = "5"
    & skf21("5","6","5","4","1","1","6","1") = "5"
    & skf21("5","6","5","4","1","1","7","1") = "6"
    & skf21("5","6","5","4","1","2","1","1") = "5"
    & skf21("5","6","5","4","1","2","2","1") = "5"
    & skf21("5","6","5","4","1","2","3","1") = "5"
    & skf21("5","6","5","4","1","2","4","1") = "5"
    & skf21("5","6","5","4","1","2","5","1") = "5"
    & skf21("5","6","5","4","1","2","6","1") = "5"
    & skf21("5","6","5","4","1","2","7","1") = "6"
    & skf21("5","6","5","4","1","3","1","1") = "5"
    & skf21("5","6","5","4","1","3","2","1") = "5"
    & skf21("5","6","5","4","1","3","3","1") = "5"
    & skf21("5","6","5","4","1","3","4","1") = "5"
    & skf21("5","6","5","4","1","3","5","1") = "5"
    & skf21("5","6","5","4","1","3","6","1") = "5"
    & skf21("5","6","5","4","1","3","7","1") = "6"
    & skf21("5","6","5","4","1","4","1","1") = "5"
    & skf21("5","6","5","4","1","4","2","1") = "5"
    & skf21("5","6","5","4","1","4","3","1") = "5"
    & skf21("5","6","5","4","1","4","4","1") = "5"
    & skf21("5","6","5","4","1","4","5","1") = "5"
    & skf21("5","6","5","4","1","4","6","1") = "5"
    & skf21("5","6","5","4","1","4","7","1") = "6"
    & skf21("5","6","5","4","1","5","1","1") = "5"
    & skf21("5","6","5","4","1","5","2","1") = "5"
    & skf21("5","6","5","4","1","5","3","1") = "5"
    & skf21("5","6","5","4","1","5","4","1") = "5"
    & skf21("5","6","5","4","1","5","5","1") = "5"
    & skf21("5","6","5","4","1","5","6","1") = "5"
    & skf21("5","6","5","4","1","5","7","1") = "6"
    & skf21("5","6","5","4","1","6","1","1") = "5"
    & skf21("5","6","5","4","1","6","2","1") = "5"
    & skf21("5","6","5","4","1","6","3","1") = "5"
    & skf21("5","6","5","4","1","6","4","1") = "5"
    & skf21("5","6","5","4","1","6","5","1") = "5"
    & skf21("5","6","5","4","1","6","6","1") = "5"
    & skf21("5","6","5","4","1","6","7","1") = "6"
    & skf21("5","6","5","4","1","7","1","1") = "6"
    & skf21("5","6","5","4","1","7","2","1") = "6"
    & skf21("5","6","5","4","1","7","3","1") = "6"
    & skf21("5","6","5","4","1","7","4","1") = "6"
    & skf21("5","6","5","4","1","7","5","1") = "6"
    & skf21("5","6","5","4","1","7","6","1") = "6"
    & skf21("5","6","5","4","1","7","7","1") = "6"
    & skf21("5","6","5","4","2","1","1","1") = "5"
    & skf21("5","6","5","4","2","1","2","1") = "5"
    & skf21("5","6","5","4","2","1","3","1") = "5"
    & skf21("5","6","5","4","2","1","4","1") = "5"
    & skf21("5","6","5","4","2","1","5","1") = "5"
    & skf21("5","6","5","4","2","1","6","1") = "5"
    & skf21("5","6","5","4","2","1","7","1") = "6"
    & skf21("5","6","5","4","2","2","1","1") = "5"
    & skf21("5","6","5","4","2","2","2","1") = "5"
    & skf21("5","6","5","4","2","2","3","1") = "5"
    & skf21("5","6","5","4","2","2","4","1") = "5"
    & skf21("5","6","5","4","2","2","5","1") = "5"
    & skf21("5","6","5","4","2","2","6","1") = "5"
    & skf21("5","6","5","4","2","2","7","1") = "6"
    & skf21("5","6","5","4","2","3","1","1") = "5"
    & skf21("5","6","5","4","2","3","2","1") = "5"
    & skf21("5","6","5","4","2","3","3","1") = "5"
    & skf21("5","6","5","4","2","3","4","1") = "5"
    & skf21("5","6","5","4","2","3","5","1") = "5"
    & skf21("5","6","5","4","2","3","6","1") = "5"
    & skf21("5","6","5","4","2","3","7","1") = "6"
    & skf21("5","6","5","4","2","4","1","1") = "5"
    & skf21("5","6","5","4","2","4","2","1") = "5"
    & skf21("5","6","5","4","2","4","3","1") = "5"
    & skf21("5","6","5","4","2","4","4","1") = "5"
    & skf21("5","6","5","4","2","4","5","1") = "5"
    & skf21("5","6","5","4","2","4","6","1") = "5"
    & skf21("5","6","5","4","2","4","7","1") = "6"
    & skf21("5","6","5","4","2","5","1","1") = "5"
    & skf21("5","6","5","4","2","5","2","1") = "5"
    & skf21("5","6","5","4","2","5","3","1") = "5"
    & skf21("5","6","5","4","2","5","4","1") = "5"
    & skf21("5","6","5","4","2","5","5","1") = "5"
    & skf21("5","6","5","4","2","5","6","1") = "5"
    & skf21("5","6","5","4","2","5","7","1") = "6"
    & skf21("5","6","5","4","2","6","1","1") = "5"
    & skf21("5","6","5","4","2","6","2","1") = "5"
    & skf21("5","6","5","4","2","6","3","1") = "5"
    & skf21("5","6","5","4","2","6","4","1") = "5"
    & skf21("5","6","5","4","2","6","5","1") = "5"
    & skf21("5","6","5","4","2","6","6","1") = "5"
    & skf21("5","6","5","4","2","6","7","1") = "6"
    & skf21("5","6","5","4","2","7","1","1") = "6"
    & skf21("5","6","5","4","2","7","2","1") = "6"
    & skf21("5","6","5","4","2","7","3","1") = "6"
    & skf21("5","6","5","4","2","7","4","1") = "6"
    & skf21("5","6","5","4","2","7","5","1") = "6"
    & skf21("5","6","5","4","2","7","6","1") = "6"
    & skf21("5","6","5","4","2","7","7","1") = "6"
    & skf21("5","6","5","4","3","1","1","1") = "5"
    & skf21("5","6","5","4","3","1","2","1") = "5"
    & skf21("5","6","5","4","3","1","3","1") = "5"
    & skf21("5","6","5","4","3","1","4","1") = "5"
    & skf21("5","6","5","4","3","1","5","1") = "5"
    & skf21("5","6","5","4","3","1","6","1") = "5"
    & skf21("5","6","5","4","3","1","7","1") = "6"
    & skf21("5","6","5","4","3","2","1","1") = "5"
    & skf21("5","6","5","4","3","2","2","1") = "5"
    & skf21("5","6","5","4","3","2","3","1") = "5"
    & skf21("5","6","5","4","3","2","4","1") = "5"
    & skf21("5","6","5","4","3","2","5","1") = "5"
    & skf21("5","6","5","4","3","2","6","1") = "5"
    & skf21("5","6","5","4","3","2","7","1") = "6"
    & skf21("5","6","5","4","3","3","1","1") = "5"
    & skf21("5","6","5","4","3","3","2","1") = "5"
    & skf21("5","6","5","4","3","3","3","1") = "5"
    & skf21("5","6","5","4","3","3","4","1") = "5"
    & skf21("5","6","5","4","3","3","5","1") = "5"
    & skf21("5","6","5","4","3","3","6","1") = "5"
    & skf21("5","6","5","4","3","3","7","1") = "6"
    & skf21("5","6","5","4","3","4","1","1") = "5"
    & skf21("5","6","5","4","3","4","2","1") = "5"
    & skf21("5","6","5","4","3","4","3","1") = "5"
    & skf21("5","6","5","4","3","4","4","1") = "5"
    & skf21("5","6","5","4","3","4","5","1") = "5"
    & skf21("5","6","5","4","3","4","6","1") = "5"
    & skf21("5","6","5","4","3","4","7","1") = "6"
    & skf21("5","6","5","4","3","5","1","1") = "5"
    & skf21("5","6","5","4","3","5","2","1") = "5"
    & skf21("5","6","5","4","3","5","3","1") = "5"
    & skf21("5","6","5","4","3","5","4","1") = "5"
    & skf21("5","6","5","4","3","5","5","1") = "5"
    & skf21("5","6","5","4","3","5","6","1") = "5"
    & skf21("5","6","5","4","3","5","7","1") = "6"
    & skf21("5","6","5","4","3","6","1","1") = "5"
    & skf21("5","6","5","4","3","6","2","1") = "5"
    & skf21("5","6","5","4","3","6","3","1") = "5"
    & skf21("5","6","5","4","3","6","4","1") = "5"
    & skf21("5","6","5","4","3","6","5","1") = "5"
    & skf21("5","6","5","4","3","6","6","1") = "5"
    & skf21("5","6","5","4","3","6","7","1") = "6"
    & skf21("5","6","5","4","3","7","1","1") = "6"
    & skf21("5","6","5","4","3","7","2","1") = "6"
    & skf21("5","6","5","4","3","7","3","1") = "6"
    & skf21("5","6","5","4","3","7","4","1") = "6"
    & skf21("5","6","5","4","3","7","5","1") = "6"
    & skf21("5","6","5","4","3","7","6","1") = "6"
    & skf21("5","6","5","4","3","7","7","1") = "6"
    & skf21("5","6","5","4","4","1","1","1") = "5"
    & skf21("5","6","5","4","4","1","2","1") = "5"
    & skf21("5","6","5","4","4","1","3","1") = "5"
    & skf21("5","6","5","4","4","1","4","1") = "5"
    & skf21("5","6","5","4","4","1","5","1") = "5"
    & skf21("5","6","5","4","4","1","6","1") = "5"
    & skf21("5","6","5","4","4","1","7","1") = "6"
    & skf21("5","6","5","4","4","2","1","1") = "5"
    & skf21("5","6","5","4","4","2","2","1") = "5"
    & skf21("5","6","5","4","4","2","3","1") = "5"
    & skf21("5","6","5","4","4","2","4","1") = "5"
    & skf21("5","6","5","4","4","2","5","1") = "5"
    & skf21("5","6","5","4","4","2","6","1") = "5"
    & skf21("5","6","5","4","4","2","7","1") = "6"
    & skf21("5","6","5","4","4","3","1","1") = "5"
    & skf21("5","6","5","4","4","3","2","1") = "5"
    & skf21("5","6","5","4","4","3","3","1") = "5"
    & skf21("5","6","5","4","4","3","4","1") = "5"
    & skf21("5","6","5","4","4","3","5","1") = "5"
    & skf21("5","6","5","4","4","3","6","1") = "5"
    & skf21("5","6","5","4","4","3","7","1") = "6"
    & skf21("5","6","5","4","4","4","1","1") = "5"
    & skf21("5","6","5","4","4","4","2","1") = "5"
    & skf21("5","6","5","4","4","4","3","1") = "5"
    & skf21("5","6","5","4","4","4","4","1") = "5"
    & skf21("5","6","5","4","4","4","5","1") = "5"
    & skf21("5","6","5","4","4","4","6","1") = "5"
    & skf21("5","6","5","4","4","4","7","1") = "6"
    & skf21("5","6","5","4","4","5","1","1") = "5"
    & skf21("5","6","5","4","4","5","2","1") = "5"
    & skf21("5","6","5","4","4","5","3","1") = "5"
    & skf21("5","6","5","4","4","5","4","1") = "5"
    & skf21("5","6","5","4","4","5","5","1") = "5"
    & skf21("5","6","5","4","4","5","6","1") = "5"
    & skf21("5","6","5","4","4","5","7","1") = "6"
    & skf21("5","6","5","4","4","6","1","1") = "5"
    & skf21("5","6","5","4","4","6","2","1") = "5"
    & skf21("5","6","5","4","4","6","3","1") = "5"
    & skf21("5","6","5","4","4","6","4","1") = "5"
    & skf21("5","6","5","4","4","6","5","1") = "5"
    & skf21("5","6","5","4","4","6","6","1") = "5"
    & skf21("5","6","5","4","4","6","7","1") = "6"
    & skf21("5","6","5","4","4","7","1","1") = "6"
    & skf21("5","6","5","4","4","7","2","1") = "6"
    & skf21("5","6","5","4","4","7","3","1") = "6"
    & skf21("5","6","5","4","4","7","4","1") = "6"
    & skf21("5","6","5","4","4","7","5","1") = "6"
    & skf21("5","6","5","4","4","7","6","1") = "6"
    & skf21("5","6","5","4","4","7","7","1") = "6"
    & skf21("5","6","5","4","5","1","1","1") = "5"
    & skf21("5","6","5","4","5","1","2","1") = "5"
    & skf21("5","6","5","4","5","1","3","1") = "5"
    & skf21("5","6","5","4","5","1","4","1") = "5"
    & skf21("5","6","5","4","5","1","5","1") = "5"
    & skf21("5","6","5","4","5","1","6","1") = "5"
    & skf21("5","6","5","4","5","1","7","1") = "6"
    & skf21("5","6","5","4","5","2","1","1") = "5"
    & skf21("5","6","5","4","5","2","2","1") = "5"
    & skf21("5","6","5","4","5","2","3","1") = "5"
    & skf21("5","6","5","4","5","2","4","1") = "5"
    & skf21("5","6","5","4","5","2","5","1") = "5"
    & skf21("5","6","5","4","5","2","6","1") = "5"
    & skf21("5","6","5","4","5","2","7","1") = "6"
    & skf21("5","6","5","4","5","3","1","1") = "5"
    & skf21("5","6","5","4","5","3","2","1") = "5"
    & skf21("5","6","5","4","5","3","3","1") = "5"
    & skf21("5","6","5","4","5","3","4","1") = "5"
    & skf21("5","6","5","4","5","3","5","1") = "5"
    & skf21("5","6","5","4","5","3","6","1") = "5"
    & skf21("5","6","5","4","5","3","7","1") = "6"
    & skf21("5","6","5","4","5","4","1","1") = "5"
    & skf21("5","6","5","4","5","4","2","1") = "5"
    & skf21("5","6","5","4","5","4","3","1") = "5"
    & skf21("5","6","5","4","5","4","4","1") = "5"
    & skf21("5","6","5","4","5","4","5","1") = "5"
    & skf21("5","6","5","4","5","4","6","1") = "5"
    & skf21("5","6","5","4","5","4","7","1") = "6"
    & skf21("5","6","5","4","5","5","1","1") = "5"
    & skf21("5","6","5","4","5","5","2","1") = "5"
    & skf21("5","6","5","4","5","5","3","1") = "5"
    & skf21("5","6","5","4","5","5","4","1") = "5"
    & skf21("5","6","5","4","5","5","5","1") = "5"
    & skf21("5","6","5","4","5","5","6","1") = "5"
    & skf21("5","6","5","4","5","5","7","1") = "6"
    & skf21("5","6","5","4","5","6","1","1") = "5"
    & skf21("5","6","5","4","5","6","2","1") = "5"
    & skf21("5","6","5","4","5","6","3","1") = "5"
    & skf21("5","6","5","4","5","6","4","1") = "5"
    & skf21("5","6","5","4","5","6","5","1") = "5"
    & skf21("5","6","5","4","5","6","6","1") = "5"
    & skf21("5","6","5","4","5","6","7","1") = "6"
    & skf21("5","6","5","4","5","7","1","1") = "6"
    & skf21("5","6","5","4","5","7","2","1") = "6"
    & skf21("5","6","5","4","5","7","3","1") = "6"
    & skf21("5","6","5","4","5","7","4","1") = "6"
    & skf21("5","6","5","4","5","7","5","1") = "6"
    & skf21("5","6","5","4","5","7","6","1") = "6"
    & skf21("5","6","5","4","5","7","7","1") = "6"
    & skf21("5","6","5","4","6","1","1","1") = "5"
    & skf21("5","6","5","4","6","1","2","1") = "5"
    & skf21("5","6","5","4","6","1","3","1") = "5"
    & skf21("5","6","5","4","6","1","4","1") = "5"
    & skf21("5","6","5","4","6","1","5","1") = "5"
    & skf21("5","6","5","4","6","1","6","1") = "5"
    & skf21("5","6","5","4","6","1","7","1") = "6"
    & skf21("5","6","5","4","6","2","1","1") = "5"
    & skf21("5","6","5","4","6","2","2","1") = "5"
    & skf21("5","6","5","4","6","2","3","1") = "5"
    & skf21("5","6","5","4","6","2","4","1") = "5"
    & skf21("5","6","5","4","6","2","5","1") = "5"
    & skf21("5","6","5","4","6","2","6","1") = "5"
    & skf21("5","6","5","4","6","2","7","1") = "6"
    & skf21("5","6","5","4","6","3","1","1") = "5"
    & skf21("5","6","5","4","6","3","2","1") = "5"
    & skf21("5","6","5","4","6","3","3","1") = "5"
    & skf21("5","6","5","4","6","3","4","1") = "5"
    & skf21("5","6","5","4","6","3","5","1") = "5"
    & skf21("5","6","5","4","6","3","6","1") = "5"
    & skf21("5","6","5","4","6","3","7","1") = "6"
    & skf21("5","6","5","4","6","4","1","1") = "5"
    & skf21("5","6","5","4","6","4","2","1") = "5"
    & skf21("5","6","5","4","6","4","3","1") = "5"
    & skf21("5","6","5","4","6","4","4","1") = "5"
    & skf21("5","6","5","4","6","4","5","1") = "5"
    & skf21("5","6","5","4","6","4","6","1") = "5"
    & skf21("5","6","5","4","6","4","7","1") = "6"
    & skf21("5","6","5","4","6","5","1","1") = "5"
    & skf21("5","6","5","4","6","5","2","1") = "5"
    & skf21("5","6","5","4","6","5","3","1") = "5"
    & skf21("5","6","5","4","6","5","4","1") = "5"
    & skf21("5","6","5","4","6","5","5","1") = "5"
    & skf21("5","6","5","4","6","5","6","1") = "5"
    & skf21("5","6","5","4","6","5","7","1") = "6"
    & skf21("5","6","5","4","6","6","1","1") = "5"
    & skf21("5","6","5","4","6","6","2","1") = "5"
    & skf21("5","6","5","4","6","6","3","1") = "5"
    & skf21("5","6","5","4","6","6","4","1") = "5"
    & skf21("5","6","5","4","6","6","5","1") = "5"
    & skf21("5","6","5","4","6","6","6","1") = "5"
    & skf21("5","6","5","4","6","6","7","1") = "6"
    & skf21("5","6","5","4","6","7","1","1") = "6"
    & skf21("5","6","5","4","6","7","2","1") = "6"
    & skf21("5","6","5","4","6","7","3","1") = "6"
    & skf21("5","6","5","4","6","7","4","1") = "6"
    & skf21("5","6","5","4","6","7","5","1") = "6"
    & skf21("5","6","5","4","6","7","6","1") = "6"
    & skf21("5","6","5","4","6","7","7","1") = "6"
    & skf21("5","6","5","4","7","1","1","1") = "6"
    & skf21("5","6","5","4","7","1","2","1") = "6"
    & skf21("5","6","5","4","7","1","3","1") = "6"
    & skf21("5","6","5","4","7","1","4","1") = "6"
    & skf21("5","6","5","4","7","1","5","1") = "6"
    & skf21("5","6","5","4","7","1","6","1") = "6"
    & skf21("5","6","5","4","7","1","7","1") = "6"
    & skf21("5","6","5","4","7","2","1","1") = "6"
    & skf21("5","6","5","4","7","2","2","1") = "6"
    & skf21("5","6","5","4","7","2","3","1") = "6"
    & skf21("5","6","5","4","7","2","4","1") = "6"
    & skf21("5","6","5","4","7","2","5","1") = "6"
    & skf21("5","6","5","4","7","2","6","1") = "6"
    & skf21("5","6","5","4","7","2","7","1") = "6"
    & skf21("5","6","5","4","7","3","1","1") = "6"
    & skf21("5","6","5","4","7","3","2","1") = "6"
    & skf21("5","6","5","4","7","3","3","1") = "6"
    & skf21("5","6","5","4","7","3","4","1") = "6"
    & skf21("5","6","5","4","7","3","5","1") = "6"
    & skf21("5","6","5","4","7","3","6","1") = "6"
    & skf21("5","6","5","4","7","3","7","1") = "6"
    & skf21("5","6","5","4","7","4","1","1") = "6"
    & skf21("5","6","5","4","7","4","2","1") = "6"
    & skf21("5","6","5","4","7","4","3","1") = "6"
    & skf21("5","6","5","4","7","4","4","1") = "6"
    & skf21("5","6","5","4","7","4","5","1") = "6"
    & skf21("5","6","5","4","7","4","6","1") = "6"
    & skf21("5","6","5","4","7","4","7","1") = "6"
    & skf21("5","6","5","4","7","5","1","1") = "6"
    & skf21("5","6","5","4","7","5","2","1") = "6"
    & skf21("5","6","5","4","7","5","3","1") = "6"
    & skf21("5","6","5","4","7","5","4","1") = "6"
    & skf21("5","6","5","4","7","5","5","1") = "6"
    & skf21("5","6","5","4","7","5","6","1") = "6"
    & skf21("5","6","5","4","7","5","7","1") = "6"
    & skf21("5","6","5","4","7","6","1","1") = "6"
    & skf21("5","6","5","4","7","6","2","1") = "6"
    & skf21("5","6","5","4","7","6","3","1") = "6"
    & skf21("5","6","5","4","7","6","4","1") = "6"
    & skf21("5","6","5","4","7","6","5","1") = "6"
    & skf21("5","6","5","4","7","6","6","1") = "6"
    & skf21("5","6","5","4","7","6","7","1") = "6"
    & skf21("5","6","5","4","7","7","1","1") = "6"
    & skf21("5","6","5","4","7","7","2","1") = "6"
    & skf21("5","6","5","4","7","7","3","1") = "6"
    & skf21("5","6","5","4","7","7","4","1") = "6"
    & skf21("5","6","5","4","7","7","5","1") = "6"
    & skf21("5","6","5","4","7","7","6","1") = "6"
    & skf21("5","6","5","4","7","7","7","1") = "6"
    & skf21("5","6","5","5","1","1","1","1") = "5"
    & skf21("5","6","5","5","1","1","2","1") = "5"
    & skf21("5","6","5","5","1","1","3","1") = "5"
    & skf21("5","6","5","5","1","1","4","1") = "5"
    & skf21("5","6","5","5","1","1","5","1") = "5"
    & skf21("5","6","5","5","1","1","6","1") = "5"
    & skf21("5","6","5","5","1","1","7","1") = "6"
    & skf21("5","6","5","5","1","2","1","1") = "5"
    & skf21("5","6","5","5","1","2","2","1") = "5"
    & skf21("5","6","5","5","1","2","3","1") = "5"
    & skf21("5","6","5","5","1","2","4","1") = "5"
    & skf21("5","6","5","5","1","2","5","1") = "5"
    & skf21("5","6","5","5","1","2","6","1") = "5"
    & skf21("5","6","5","5","1","2","7","1") = "6"
    & skf21("5","6","5","5","1","3","1","1") = "5"
    & skf21("5","6","5","5","1","3","2","1") = "5"
    & skf21("5","6","5","5","1","3","3","1") = "5"
    & skf21("5","6","5","5","1","3","4","1") = "5"
    & skf21("5","6","5","5","1","3","5","1") = "5"
    & skf21("5","6","5","5","1","3","6","1") = "5"
    & skf21("5","6","5","5","1","3","7","1") = "6"
    & skf21("5","6","5","5","1","4","1","1") = "5"
    & skf21("5","6","5","5","1","4","2","1") = "5"
    & skf21("5","6","5","5","1","4","3","1") = "5"
    & skf21("5","6","5","5","1","4","4","1") = "5"
    & skf21("5","6","5","5","1","4","5","1") = "5"
    & skf21("5","6","5","5","1","4","6","1") = "5"
    & skf21("5","6","5","5","1","4","7","1") = "6"
    & skf21("5","6","5","5","1","5","1","1") = "5"
    & skf21("5","6","5","5","1","5","2","1") = "5"
    & skf21("5","6","5","5","1","5","3","1") = "5"
    & skf21("5","6","5","5","1","5","4","1") = "5"
    & skf21("5","6","5","5","1","5","5","1") = "5"
    & skf21("5","6","5","5","1","5","6","1") = "5"
    & skf21("5","6","5","5","1","5","7","1") = "6"
    & skf21("5","6","5","5","1","6","1","1") = "5"
    & skf21("5","6","5","5","1","6","2","1") = "5"
    & skf21("5","6","5","5","1","6","3","1") = "5"
    & skf21("5","6","5","5","1","6","4","1") = "5"
    & skf21("5","6","5","5","1","6","5","1") = "5"
    & skf21("5","6","5","5","1","6","6","1") = "5"
    & skf21("5","6","5","5","1","6","7","1") = "6"
    & skf21("5","6","5","5","1","7","1","1") = "6"
    & skf21("5","6","5","5","1","7","2","1") = "6"
    & skf21("5","6","5","5","1","7","3","1") = "6"
    & skf21("5","6","5","5","1","7","4","1") = "6"
    & skf21("5","6","5","5","1","7","5","1") = "6"
    & skf21("5","6","5","5","1","7","6","1") = "6"
    & skf21("5","6","5","5","1","7","7","1") = "6"
    & skf21("5","6","5","5","2","1","1","1") = "5"
    & skf21("5","6","5","5","2","1","2","1") = "5"
    & skf21("5","6","5","5","2","1","3","1") = "5"
    & skf21("5","6","5","5","2","1","4","1") = "5"
    & skf21("5","6","5","5","2","1","5","1") = "5"
    & skf21("5","6","5","5","2","1","6","1") = "5"
    & skf21("5","6","5","5","2","1","7","1") = "6"
    & skf21("5","6","5","5","2","2","1","1") = "5"
    & skf21("5","6","5","5","2","2","2","1") = "5"
    & skf21("5","6","5","5","2","2","3","1") = "5"
    & skf21("5","6","5","5","2","2","4","1") = "5"
    & skf21("5","6","5","5","2","2","5","1") = "5"
    & skf21("5","6","5","5","2","2","6","1") = "5"
    & skf21("5","6","5","5","2","2","7","1") = "6"
    & skf21("5","6","5","5","2","3","1","1") = "5"
    & skf21("5","6","5","5","2","3","2","1") = "5"
    & skf21("5","6","5","5","2","3","3","1") = "5"
    & skf21("5","6","5","5","2","3","4","1") = "5"
    & skf21("5","6","5","5","2","3","5","1") = "5"
    & skf21("5","6","5","5","2","3","6","1") = "5"
    & skf21("5","6","5","5","2","3","7","1") = "6"
    & skf21("5","6","5","5","2","4","1","1") = "5"
    & skf21("5","6","5","5","2","4","2","1") = "5"
    & skf21("5","6","5","5","2","4","3","1") = "5"
    & skf21("5","6","5","5","2","4","4","1") = "5"
    & skf21("5","6","5","5","2","4","5","1") = "5"
    & skf21("5","6","5","5","2","4","6","1") = "5"
    & skf21("5","6","5","5","2","4","7","1") = "6"
    & skf21("5","6","5","5","2","5","1","1") = "5"
    & skf21("5","6","5","5","2","5","2","1") = "5"
    & skf21("5","6","5","5","2","5","3","1") = "5"
    & skf21("5","6","5","5","2","5","4","1") = "5"
    & skf21("5","6","5","5","2","5","5","1") = "5"
    & skf21("5","6","5","5","2","5","6","1") = "5"
    & skf21("5","6","5","5","2","5","7","1") = "6"
    & skf21("5","6","5","5","2","6","1","1") = "5"
    & skf21("5","6","5","5","2","6","2","1") = "5"
    & skf21("5","6","5","5","2","6","3","1") = "5"
    & skf21("5","6","5","5","2","6","4","1") = "5"
    & skf21("5","6","5","5","2","6","5","1") = "5"
    & skf21("5","6","5","5","2","6","6","1") = "5"
    & skf21("5","6","5","5","2","6","7","1") = "6"
    & skf21("5","6","5","5","2","7","1","1") = "6"
    & skf21("5","6","5","5","2","7","2","1") = "6"
    & skf21("5","6","5","5","2","7","3","1") = "6"
    & skf21("5","6","5","5","2","7","4","1") = "6"
    & skf21("5","6","5","5","2","7","5","1") = "6"
    & skf21("5","6","5","5","2","7","6","1") = "6"
    & skf21("5","6","5","5","2","7","7","1") = "6"
    & skf21("5","6","5","5","3","1","1","1") = "5"
    & skf21("5","6","5","5","3","1","2","1") = "5"
    & skf21("5","6","5","5","3","1","3","1") = "5"
    & skf21("5","6","5","5","3","1","4","1") = "5"
    & skf21("5","6","5","5","3","1","5","1") = "5"
    & skf21("5","6","5","5","3","1","6","1") = "5"
    & skf21("5","6","5","5","3","1","7","1") = "6"
    & skf21("5","6","5","5","3","2","1","1") = "5"
    & skf21("5","6","5","5","3","2","2","1") = "5"
    & skf21("5","6","5","5","3","2","3","1") = "5"
    & skf21("5","6","5","5","3","2","4","1") = "5"
    & skf21("5","6","5","5","3","2","5","1") = "5"
    & skf21("5","6","5","5","3","2","6","1") = "5"
    & skf21("5","6","5","5","3","2","7","1") = "6"
    & skf21("5","6","5","5","3","3","1","1") = "5"
    & skf21("5","6","5","5","3","3","2","1") = "5"
    & skf21("5","6","5","5","3","3","3","1") = "5"
    & skf21("5","6","5","5","3","3","4","1") = "5"
    & skf21("5","6","5","5","3","3","5","1") = "5"
    & skf21("5","6","5","5","3","3","6","1") = "5"
    & skf21("5","6","5","5","3","3","7","1") = "6"
    & skf21("5","6","5","5","3","4","1","1") = "5"
    & skf21("5","6","5","5","3","4","2","1") = "5"
    & skf21("5","6","5","5","3","4","3","1") = "5"
    & skf21("5","6","5","5","3","4","4","1") = "5"
    & skf21("5","6","5","5","3","4","5","1") = "5"
    & skf21("5","6","5","5","3","4","6","1") = "5"
    & skf21("5","6","5","5","3","4","7","1") = "6"
    & skf21("5","6","5","5","3","5","1","1") = "5"
    & skf21("5","6","5","5","3","5","2","1") = "5"
    & skf21("5","6","5","5","3","5","3","1") = "5"
    & skf21("5","6","5","5","3","5","4","1") = "5"
    & skf21("5","6","5","5","3","5","5","1") = "5"
    & skf21("5","6","5","5","3","5","6","1") = "5"
    & skf21("5","6","5","5","3","5","7","1") = "6"
    & skf21("5","6","5","5","3","6","1","1") = "5"
    & skf21("5","6","5","5","3","6","2","1") = "5"
    & skf21("5","6","5","5","3","6","3","1") = "5"
    & skf21("5","6","5","5","3","6","4","1") = "5"
    & skf21("5","6","5","5","3","6","5","1") = "5"
    & skf21("5","6","5","5","3","6","6","1") = "5"
    & skf21("5","6","5","5","3","6","7","1") = "6"
    & skf21("5","6","5","5","3","7","1","1") = "6"
    & skf21("5","6","5","5","3","7","2","1") = "6"
    & skf21("5","6","5","5","3","7","3","1") = "6"
    & skf21("5","6","5","5","3","7","4","1") = "6"
    & skf21("5","6","5","5","3","7","5","1") = "6"
    & skf21("5","6","5","5","3","7","6","1") = "6"
    & skf21("5","6","5","5","3","7","7","1") = "6"
    & skf21("5","6","5","5","4","1","1","1") = "5"
    & skf21("5","6","5","5","4","1","2","1") = "5"
    & skf21("5","6","5","5","4","1","3","1") = "5"
    & skf21("5","6","5","5","4","1","4","1") = "5"
    & skf21("5","6","5","5","4","1","5","1") = "5"
    & skf21("5","6","5","5","4","1","6","1") = "5"
    & skf21("5","6","5","5","4","1","7","1") = "6"
    & skf21("5","6","5","5","4","2","1","1") = "5"
    & skf21("5","6","5","5","4","2","2","1") = "5"
    & skf21("5","6","5","5","4","2","3","1") = "5"
    & skf21("5","6","5","5","4","2","4","1") = "5"
    & skf21("5","6","5","5","4","2","5","1") = "5"
    & skf21("5","6","5","5","4","2","6","1") = "5"
    & skf21("5","6","5","5","4","2","7","1") = "6"
    & skf21("5","6","5","5","4","3","1","1") = "5"
    & skf21("5","6","5","5","4","3","2","1") = "5"
    & skf21("5","6","5","5","4","3","3","1") = "5"
    & skf21("5","6","5","5","4","3","4","1") = "5"
    & skf21("5","6","5","5","4","3","5","1") = "5"
    & skf21("5","6","5","5","4","3","6","1") = "5"
    & skf21("5","6","5","5","4","3","7","1") = "6"
    & skf21("5","6","5","5","4","4","1","1") = "5"
    & skf21("5","6","5","5","4","4","2","1") = "5"
    & skf21("5","6","5","5","4","4","3","1") = "5"
    & skf21("5","6","5","5","4","4","4","1") = "5"
    & skf21("5","6","5","5","4","4","5","1") = "5"
    & skf21("5","6","5","5","4","4","6","1") = "5"
    & skf21("5","6","5","5","4","4","7","1") = "6"
    & skf21("5","6","5","5","4","5","1","1") = "5"
    & skf21("5","6","5","5","4","5","2","1") = "5"
    & skf21("5","6","5","5","4","5","3","1") = "5"
    & skf21("5","6","5","5","4","5","4","1") = "5"
    & skf21("5","6","5","5","4","5","5","1") = "5"
    & skf21("5","6","5","5","4","5","6","1") = "5"
    & skf21("5","6","5","5","4","5","7","1") = "6"
    & skf21("5","6","5","5","4","6","1","1") = "5"
    & skf21("5","6","5","5","4","6","2","1") = "5"
    & skf21("5","6","5","5","4","6","3","1") = "5"
    & skf21("5","6","5","5","4","6","4","1") = "5"
    & skf21("5","6","5","5","4","6","5","1") = "5"
    & skf21("5","6","5","5","4","6","6","1") = "5"
    & skf21("5","6","5","5","4","6","7","1") = "6"
    & skf21("5","6","5","5","4","7","1","1") = "6"
    & skf21("5","6","5","5","4","7","2","1") = "6"
    & skf21("5","6","5","5","4","7","3","1") = "6"
    & skf21("5","6","5","5","4","7","4","1") = "6"
    & skf21("5","6","5","5","4","7","5","1") = "6"
    & skf21("5","6","5","5","4","7","6","1") = "6"
    & skf21("5","6","5","5","4","7","7","1") = "6"
    & skf21("5","6","5","5","5","1","1","1") = "5"
    & skf21("5","6","5","5","5","1","2","1") = "5"
    & skf21("5","6","5","5","5","1","3","1") = "5"
    & skf21("5","6","5","5","5","1","4","1") = "5"
    & skf21("5","6","5","5","5","1","5","1") = "5"
    & skf21("5","6","5","5","5","1","6","1") = "5"
    & skf21("5","6","5","5","5","1","7","1") = "6"
    & skf21("5","6","5","5","5","2","1","1") = "5"
    & skf21("5","6","5","5","5","2","2","1") = "5"
    & skf21("5","6","5","5","5","2","3","1") = "5"
    & skf21("5","6","5","5","5","2","4","1") = "5"
    & skf21("5","6","5","5","5","2","5","1") = "5"
    & skf21("5","6","5","5","5","2","6","1") = "5"
    & skf21("5","6","5","5","5","2","7","1") = "6"
    & skf21("5","6","5","5","5","3","1","1") = "5"
    & skf21("5","6","5","5","5","3","2","1") = "5"
    & skf21("5","6","5","5","5","3","3","1") = "5"
    & skf21("5","6","5","5","5","3","4","1") = "5"
    & skf21("5","6","5","5","5","3","5","1") = "5"
    & skf21("5","6","5","5","5","3","6","1") = "5"
    & skf21("5","6","5","5","5","3","7","1") = "6"
    & skf21("5","6","5","5","5","4","1","1") = "5"
    & skf21("5","6","5","5","5","4","2","1") = "5"
    & skf21("5","6","5","5","5","4","3","1") = "5"
    & skf21("5","6","5","5","5","4","4","1") = "5"
    & skf21("5","6","5","5","5","4","5","1") = "5"
    & skf21("5","6","5","5","5","4","6","1") = "5"
    & skf21("5","6","5","5","5","4","7","1") = "6"
    & skf21("5","6","5","5","5","5","1","1") = "5"
    & skf21("5","6","5","5","5","5","2","1") = "5"
    & skf21("5","6","5","5","5","5","3","1") = "5"
    & skf21("5","6","5","5","5","5","4","1") = "5"
    & skf21("5","6","5","5","5","5","5","1") = "5"
    & skf21("5","6","5","5","5","5","6","1") = "5"
    & skf21("5","6","5","5","5","5","7","1") = "6"
    & skf21("5","6","5","5","5","6","1","1") = "5"
    & skf21("5","6","5","5","5","6","2","1") = "5"
    & skf21("5","6","5","5","5","6","3","1") = "5"
    & skf21("5","6","5","5","5","6","4","1") = "5"
    & skf21("5","6","5","5","5","6","5","1") = "5"
    & skf21("5","6","5","5","5","6","6","1") = "5"
    & skf21("5","6","5","5","5","6","7","1") = "6"
    & skf21("5","6","5","5","5","7","1","1") = "6"
    & skf21("5","6","5","5","5","7","2","1") = "6"
    & skf21("5","6","5","5","5","7","3","1") = "6"
    & skf21("5","6","5","5","5","7","4","1") = "6"
    & skf21("5","6","5","5","5","7","5","1") = "6"
    & skf21("5","6","5","5","5","7","6","1") = "6"
    & skf21("5","6","5","5","5","7","7","1") = "6"
    & skf21("5","6","5","5","6","1","1","1") = "5"
    & skf21("5","6","5","5","6","1","2","1") = "5"
    & skf21("5","6","5","5","6","1","3","1") = "5"
    & skf21("5","6","5","5","6","1","4","1") = "5"
    & skf21("5","6","5","5","6","1","5","1") = "5"
    & skf21("5","6","5","5","6","1","6","1") = "5"
    & skf21("5","6","5","5","6","1","7","1") = "6"
    & skf21("5","6","5","5","6","2","1","1") = "5"
    & skf21("5","6","5","5","6","2","2","1") = "5"
    & skf21("5","6","5","5","6","2","3","1") = "5"
    & skf21("5","6","5","5","6","2","4","1") = "5"
    & skf21("5","6","5","5","6","2","5","1") = "5"
    & skf21("5","6","5","5","6","2","6","1") = "5"
    & skf21("5","6","5","5","6","2","7","1") = "6"
    & skf21("5","6","5","5","6","3","1","1") = "5"
    & skf21("5","6","5","5","6","3","2","1") = "5"
    & skf21("5","6","5","5","6","3","3","1") = "5"
    & skf21("5","6","5","5","6","3","4","1") = "5"
    & skf21("5","6","5","5","6","3","5","1") = "5"
    & skf21("5","6","5","5","6","3","6","1") = "5"
    & skf21("5","6","5","5","6","3","7","1") = "6"
    & skf21("5","6","5","5","6","4","1","1") = "5"
    & skf21("5","6","5","5","6","4","2","1") = "5"
    & skf21("5","6","5","5","6","4","3","1") = "5"
    & skf21("5","6","5","5","6","4","4","1") = "5"
    & skf21("5","6","5","5","6","4","5","1") = "5"
    & skf21("5","6","5","5","6","4","6","1") = "5"
    & skf21("5","6","5","5","6","4","7","1") = "6"
    & skf21("5","6","5","5","6","5","1","1") = "5"
    & skf21("5","6","5","5","6","5","2","1") = "5"
    & skf21("5","6","5","5","6","5","3","1") = "5"
    & skf21("5","6","5","5","6","5","4","1") = "5"
    & skf21("5","6","5","5","6","5","5","1") = "5"
    & skf21("5","6","5","5","6","5","6","1") = "5"
    & skf21("5","6","5","5","6","5","7","1") = "6"
    & skf21("5","6","5","5","6","6","1","1") = "5"
    & skf21("5","6","5","5","6","6","2","1") = "5"
    & skf21("5","6","5","5","6","6","3","1") = "5"
    & skf21("5","6","5","5","6","6","4","1") = "5"
    & skf21("5","6","5","5","6","6","5","1") = "5"
    & skf21("5","6","5","5","6","6","6","1") = "5"
    & skf21("5","6","5","5","6","6","7","1") = "6"
    & skf21("5","6","5","5","6","7","1","1") = "6"
    & skf21("5","6","5","5","6","7","2","1") = "6"
    & skf21("5","6","5","5","6","7","3","1") = "6"
    & skf21("5","6","5","5","6","7","4","1") = "6"
    & skf21("5","6","5","5","6","7","5","1") = "6"
    & skf21("5","6","5","5","6","7","6","1") = "6"
    & skf21("5","6","5","5","6","7","7","1") = "6"
    & skf21("5","6","5","5","7","1","1","1") = "6"
    & skf21("5","6","5","5","7","1","2","1") = "6"
    & skf21("5","6","5","5","7","1","3","1") = "6"
    & skf21("5","6","5","5","7","1","4","1") = "6"
    & skf21("5","6","5","5","7","1","5","1") = "6"
    & skf21("5","6","5","5","7","1","6","1") = "6"
    & skf21("5","6","5","5","7","1","7","1") = "6"
    & skf21("5","6","5","5","7","2","1","1") = "6"
    & skf21("5","6","5","5","7","2","2","1") = "6"
    & skf21("5","6","5","5","7","2","3","1") = "6"
    & skf21("5","6","5","5","7","2","4","1") = "6"
    & skf21("5","6","5","5","7","2","5","1") = "6"
    & skf21("5","6","5","5","7","2","6","1") = "6"
    & skf21("5","6","5","5","7","2","7","1") = "6"
    & skf21("5","6","5","5","7","3","1","1") = "6"
    & skf21("5","6","5","5","7","3","2","1") = "6"
    & skf21("5","6","5","5","7","3","3","1") = "6"
    & skf21("5","6","5","5","7","3","4","1") = "6"
    & skf21("5","6","5","5","7","3","5","1") = "6"
    & skf21("5","6","5","5","7","3","6","1") = "6"
    & skf21("5","6","5","5","7","3","7","1") = "6"
    & skf21("5","6","5","5","7","4","1","1") = "6"
    & skf21("5","6","5","5","7","4","2","1") = "6"
    & skf21("5","6","5","5","7","4","3","1") = "6"
    & skf21("5","6","5","5","7","4","4","1") = "6"
    & skf21("5","6","5","5","7","4","5","1") = "6"
    & skf21("5","6","5","5","7","4","6","1") = "6"
    & skf21("5","6","5","5","7","4","7","1") = "6"
    & skf21("5","6","5","5","7","5","1","1") = "6"
    & skf21("5","6","5","5","7","5","2","1") = "6"
    & skf21("5","6","5","5","7","5","3","1") = "6"
    & skf21("5","6","5","5","7","5","4","1") = "6"
    & skf21("5","6","5","5","7","5","5","1") = "6"
    & skf21("5","6","5","5","7","5","6","1") = "6"
    & skf21("5","6","5","5","7","5","7","1") = "6"
    & skf21("5","6","5","5","7","6","1","1") = "6"
    & skf21("5","6","5","5","7","6","2","1") = "6"
    & skf21("5","6","5","5","7","6","3","1") = "6"
    & skf21("5","6","5","5","7","6","4","1") = "6"
    & skf21("5","6","5","5","7","6","5","1") = "6"
    & skf21("5","6","5","5","7","6","6","1") = "6"
    & skf21("5","6","5","5","7","6","7","1") = "6"
    & skf21("5","6","5","5","7","7","1","1") = "6"
    & skf21("5","6","5","5","7","7","2","1") = "6"
    & skf21("5","6","5","5","7","7","3","1") = "6"
    & skf21("5","6","5","5","7","7","4","1") = "6"
    & skf21("5","6","5","5","7","7","5","1") = "6"
    & skf21("5","6","5","5","7","7","6","1") = "6"
    & skf21("5","6","5","5","7","7","7","1") = "6"
    & skf21("5","6","5","6","1","1","1","1") = "5"
    & skf21("5","6","5","6","1","1","2","1") = "5"
    & skf21("5","6","5","6","1","1","3","1") = "5"
    & skf21("5","6","5","6","1","1","4","1") = "5"
    & skf21("5","6","5","6","1","1","5","1") = "5"
    & skf21("5","6","5","6","1","1","6","1") = "5"
    & skf21("5","6","5","6","1","1","7","1") = "6"
    & skf21("5","6","5","6","1","2","1","1") = "5"
    & skf21("5","6","5","6","1","2","2","1") = "5"
    & skf21("5","6","5","6","1","2","3","1") = "5"
    & skf21("5","6","5","6","1","2","4","1") = "5"
    & skf21("5","6","5","6","1","2","5","1") = "5"
    & skf21("5","6","5","6","1","2","6","1") = "5"
    & skf21("5","6","5","6","1","2","7","1") = "6"
    & skf21("5","6","5","6","1","3","1","1") = "5"
    & skf21("5","6","5","6","1","3","2","1") = "5"
    & skf21("5","6","5","6","1","3","3","1") = "5"
    & skf21("5","6","5","6","1","3","4","1") = "5"
    & skf21("5","6","5","6","1","3","5","1") = "5"
    & skf21("5","6","5","6","1","3","6","1") = "5"
    & skf21("5","6","5","6","1","3","7","1") = "6"
    & skf21("5","6","5","6","1","4","1","1") = "5"
    & skf21("5","6","5","6","1","4","2","1") = "5"
    & skf21("5","6","5","6","1","4","3","1") = "5"
    & skf21("5","6","5","6","1","4","4","1") = "5"
    & skf21("5","6","5","6","1","4","5","1") = "5"
    & skf21("5","6","5","6","1","4","6","1") = "5"
    & skf21("5","6","5","6","1","4","7","1") = "6"
    & skf21("5","6","5","6","1","5","1","1") = "5"
    & skf21("5","6","5","6","1","5","2","1") = "5"
    & skf21("5","6","5","6","1","5","3","1") = "5"
    & skf21("5","6","5","6","1","5","4","1") = "5"
    & skf21("5","6","5","6","1","5","5","1") = "5"
    & skf21("5","6","5","6","1","5","6","1") = "5"
    & skf21("5","6","5","6","1","5","7","1") = "6"
    & skf21("5","6","5","6","1","6","1","1") = "5"
    & skf21("5","6","5","6","1","6","2","1") = "5"
    & skf21("5","6","5","6","1","6","3","1") = "5"
    & skf21("5","6","5","6","1","6","4","1") = "5"
    & skf21("5","6","5","6","1","6","5","1") = "5"
    & skf21("5","6","5","6","1","6","6","1") = "5"
    & skf21("5","6","5","6","1","6","7","1") = "6"
    & skf21("5","6","5","6","1","7","1","1") = "6"
    & skf21("5","6","5","6","1","7","2","1") = "6"
    & skf21("5","6","5","6","1","7","3","1") = "6"
    & skf21("5","6","5","6","1","7","4","1") = "6"
    & skf21("5","6","5","6","1","7","5","1") = "6"
    & skf21("5","6","5","6","1","7","6","1") = "6"
    & skf21("5","6","5","6","1","7","7","1") = "6"
    & skf21("5","6","5","6","2","1","1","1") = "5"
    & skf21("5","6","5","6","2","1","2","1") = "5"
    & skf21("5","6","5","6","2","1","3","1") = "5"
    & skf21("5","6","5","6","2","1","4","1") = "5"
    & skf21("5","6","5","6","2","1","5","1") = "5"
    & skf21("5","6","5","6","2","1","6","1") = "5"
    & skf21("5","6","5","6","2","1","7","1") = "6"
    & skf21("5","6","5","6","2","2","1","1") = "5"
    & skf21("5","6","5","6","2","2","2","1") = "5"
    & skf21("5","6","5","6","2","2","3","1") = "5"
    & skf21("5","6","5","6","2","2","4","1") = "5"
    & skf21("5","6","5","6","2","2","5","1") = "5"
    & skf21("5","6","5","6","2","2","6","1") = "5"
    & skf21("5","6","5","6","2","2","7","1") = "6"
    & skf21("5","6","5","6","2","3","1","1") = "5"
    & skf21("5","6","5","6","2","3","2","1") = "5"
    & skf21("5","6","5","6","2","3","3","1") = "5"
    & skf21("5","6","5","6","2","3","4","1") = "5"
    & skf21("5","6","5","6","2","3","5","1") = "5"
    & skf21("5","6","5","6","2","3","6","1") = "5"
    & skf21("5","6","5","6","2","3","7","1") = "6"
    & skf21("5","6","5","6","2","4","1","1") = "5"
    & skf21("5","6","5","6","2","4","2","1") = "5"
    & skf21("5","6","5","6","2","4","3","1") = "5"
    & skf21("5","6","5","6","2","4","4","1") = "5"
    & skf21("5","6","5","6","2","4","5","1") = "5"
    & skf21("5","6","5","6","2","4","6","1") = "5"
    & skf21("5","6","5","6","2","4","7","1") = "6"
    & skf21("5","6","5","6","2","5","1","1") = "5"
    & skf21("5","6","5","6","2","5","2","1") = "5"
    & skf21("5","6","5","6","2","5","3","1") = "5"
    & skf21("5","6","5","6","2","5","4","1") = "5"
    & skf21("5","6","5","6","2","5","5","1") = "5"
    & skf21("5","6","5","6","2","5","6","1") = "5"
    & skf21("5","6","5","6","2","5","7","1") = "6"
    & skf21("5","6","5","6","2","6","1","1") = "5"
    & skf21("5","6","5","6","2","6","2","1") = "5"
    & skf21("5","6","5","6","2","6","3","1") = "5"
    & skf21("5","6","5","6","2","6","4","1") = "5"
    & skf21("5","6","5","6","2","6","5","1") = "5"
    & skf21("5","6","5","6","2","6","6","1") = "5"
    & skf21("5","6","5","6","2","6","7","1") = "6"
    & skf21("5","6","5","6","2","7","1","1") = "6"
    & skf21("5","6","5","6","2","7","2","1") = "6"
    & skf21("5","6","5","6","2","7","3","1") = "6"
    & skf21("5","6","5","6","2","7","4","1") = "6"
    & skf21("5","6","5","6","2","7","5","1") = "6"
    & skf21("5","6","5","6","2","7","6","1") = "6"
    & skf21("5","6","5","6","2","7","7","1") = "6"
    & skf21("5","6","5","6","3","1","1","1") = "5"
    & skf21("5","6","5","6","3","1","2","1") = "5"
    & skf21("5","6","5","6","3","1","3","1") = "5"
    & skf21("5","6","5","6","3","1","4","1") = "5"
    & skf21("5","6","5","6","3","1","5","1") = "5"
    & skf21("5","6","5","6","3","1","6","1") = "5"
    & skf21("5","6","5","6","3","1","7","1") = "6"
    & skf21("5","6","5","6","3","2","1","1") = "5"
    & skf21("5","6","5","6","3","2","2","1") = "5"
    & skf21("5","6","5","6","3","2","3","1") = "5"
    & skf21("5","6","5","6","3","2","4","1") = "5"
    & skf21("5","6","5","6","3","2","5","1") = "5"
    & skf21("5","6","5","6","3","2","6","1") = "5"
    & skf21("5","6","5","6","3","2","7","1") = "6"
    & skf21("5","6","5","6","3","3","1","1") = "5"
    & skf21("5","6","5","6","3","3","2","1") = "5"
    & skf21("5","6","5","6","3","3","3","1") = "5"
    & skf21("5","6","5","6","3","3","4","1") = "5"
    & skf21("5","6","5","6","3","3","5","1") = "5"
    & skf21("5","6","5","6","3","3","6","1") = "5"
    & skf21("5","6","5","6","3","3","7","1") = "6"
    & skf21("5","6","5","6","3","4","1","1") = "5"
    & skf21("5","6","5","6","3","4","2","1") = "5"
    & skf21("5","6","5","6","3","4","3","1") = "5"
    & skf21("5","6","5","6","3","4","4","1") = "5"
    & skf21("5","6","5","6","3","4","5","1") = "5"
    & skf21("5","6","5","6","3","4","6","1") = "5"
    & skf21("5","6","5","6","3","4","7","1") = "6"
    & skf21("5","6","5","6","3","5","1","1") = "5"
    & skf21("5","6","5","6","3","5","2","1") = "5"
    & skf21("5","6","5","6","3","5","3","1") = "5"
    & skf21("5","6","5","6","3","5","4","1") = "5"
    & skf21("5","6","5","6","3","5","5","1") = "5"
    & skf21("5","6","5","6","3","5","6","1") = "5"
    & skf21("5","6","5","6","3","5","7","1") = "6"
    & skf21("5","6","5","6","3","6","1","1") = "5"
    & skf21("5","6","5","6","3","6","2","1") = "5"
    & skf21("5","6","5","6","3","6","3","1") = "5"
    & skf21("5","6","5","6","3","6","4","1") = "5"
    & skf21("5","6","5","6","3","6","5","1") = "5"
    & skf21("5","6","5","6","3","6","6","1") = "5"
    & skf21("5","6","5","6","3","6","7","1") = "6"
    & skf21("5","6","5","6","3","7","1","1") = "6"
    & skf21("5","6","5","6","3","7","2","1") = "6"
    & skf21("5","6","5","6","3","7","3","1") = "6"
    & skf21("5","6","5","6","3","7","4","1") = "6"
    & skf21("5","6","5","6","3","7","5","1") = "6"
    & skf21("5","6","5","6","3","7","6","1") = "6"
    & skf21("5","6","5","6","3","7","7","1") = "6"
    & skf21("5","6","5","6","4","1","1","1") = "5"
    & skf21("5","6","5","6","4","1","2","1") = "5"
    & skf21("5","6","5","6","4","1","3","1") = "5"
    & skf21("5","6","5","6","4","1","4","1") = "5"
    & skf21("5","6","5","6","4","1","5","1") = "5"
    & skf21("5","6","5","6","4","1","6","1") = "5"
    & skf21("5","6","5","6","4","1","7","1") = "6"
    & skf21("5","6","5","6","4","2","1","1") = "5"
    & skf21("5","6","5","6","4","2","2","1") = "5"
    & skf21("5","6","5","6","4","2","3","1") = "5"
    & skf21("5","6","5","6","4","2","4","1") = "5"
    & skf21("5","6","5","6","4","2","5","1") = "5"
    & skf21("5","6","5","6","4","2","6","1") = "5"
    & skf21("5","6","5","6","4","2","7","1") = "6"
    & skf21("5","6","5","6","4","3","1","1") = "5"
    & skf21("5","6","5","6","4","3","2","1") = "5"
    & skf21("5","6","5","6","4","3","3","1") = "5"
    & skf21("5","6","5","6","4","3","4","1") = "5"
    & skf21("5","6","5","6","4","3","5","1") = "5"
    & skf21("5","6","5","6","4","3","6","1") = "5"
    & skf21("5","6","5","6","4","3","7","1") = "6"
    & skf21("5","6","5","6","4","4","1","1") = "5"
    & skf21("5","6","5","6","4","4","2","1") = "5"
    & skf21("5","6","5","6","4","4","3","1") = "5"
    & skf21("5","6","5","6","4","4","4","1") = "5"
    & skf21("5","6","5","6","4","4","5","1") = "5"
    & skf21("5","6","5","6","4","4","6","1") = "5"
    & skf21("5","6","5","6","4","4","7","1") = "6"
    & skf21("5","6","5","6","4","5","1","1") = "5"
    & skf21("5","6","5","6","4","5","2","1") = "5"
    & skf21("5","6","5","6","4","5","3","1") = "5"
    & skf21("5","6","5","6","4","5","4","1") = "5"
    & skf21("5","6","5","6","4","5","5","1") = "5"
    & skf21("5","6","5","6","4","5","6","1") = "5"
    & skf21("5","6","5","6","4","5","7","1") = "6"
    & skf21("5","6","5","6","4","6","1","1") = "5"
    & skf21("5","6","5","6","4","6","2","1") = "5"
    & skf21("5","6","5","6","4","6","3","1") = "5"
    & skf21("5","6","5","6","4","6","4","1") = "5"
    & skf21("5","6","5","6","4","6","5","1") = "5"
    & skf21("5","6","5","6","4","6","6","1") = "5"
    & skf21("5","6","5","6","4","6","7","1") = "6"
    & skf21("5","6","5","6","4","7","1","1") = "6"
    & skf21("5","6","5","6","4","7","2","1") = "6"
    & skf21("5","6","5","6","4","7","3","1") = "6"
    & skf21("5","6","5","6","4","7","4","1") = "6"
    & skf21("5","6","5","6","4","7","5","1") = "6"
    & skf21("5","6","5","6","4","7","6","1") = "6"
    & skf21("5","6","5","6","4","7","7","1") = "6"
    & skf21("5","6","5","6","5","1","1","1") = "5"
    & skf21("5","6","5","6","5","1","2","1") = "5"
    & skf21("5","6","5","6","5","1","3","1") = "5"
    & skf21("5","6","5","6","5","1","4","1") = "5"
    & skf21("5","6","5","6","5","1","5","1") = "5"
    & skf21("5","6","5","6","5","1","6","1") = "5"
    & skf21("5","6","5","6","5","1","7","1") = "6"
    & skf21("5","6","5","6","5","2","1","1") = "5"
    & skf21("5","6","5","6","5","2","2","1") = "5"
    & skf21("5","6","5","6","5","2","3","1") = "5"
    & skf21("5","6","5","6","5","2","4","1") = "5"
    & skf21("5","6","5","6","5","2","5","1") = "5"
    & skf21("5","6","5","6","5","2","6","1") = "5"
    & skf21("5","6","5","6","5","2","7","1") = "6"
    & skf21("5","6","5","6","5","3","1","1") = "5"
    & skf21("5","6","5","6","5","3","2","1") = "5"
    & skf21("5","6","5","6","5","3","3","1") = "5"
    & skf21("5","6","5","6","5","3","4","1") = "5"
    & skf21("5","6","5","6","5","3","5","1") = "5"
    & skf21("5","6","5","6","5","3","6","1") = "5"
    & skf21("5","6","5","6","5","3","7","1") = "6"
    & skf21("5","6","5","6","5","4","1","1") = "5"
    & skf21("5","6","5","6","5","4","2","1") = "5"
    & skf21("5","6","5","6","5","4","3","1") = "5"
    & skf21("5","6","5","6","5","4","4","1") = "5"
    & skf21("5","6","5","6","5","4","5","1") = "5"
    & skf21("5","6","5","6","5","4","6","1") = "5"
    & skf21("5","6","5","6","5","4","7","1") = "6"
    & skf21("5","6","5","6","5","5","1","1") = "5"
    & skf21("5","6","5","6","5","5","2","1") = "5"
    & skf21("5","6","5","6","5","5","3","1") = "5"
    & skf21("5","6","5","6","5","5","4","1") = "5"
    & skf21("5","6","5","6","5","5","5","1") = "5"
    & skf21("5","6","5","6","5","5","6","1") = "5"
    & skf21("5","6","5","6","5","5","7","1") = "6"
    & skf21("5","6","5","6","5","6","1","1") = "5"
    & skf21("5","6","5","6","5","6","2","1") = "5"
    & skf21("5","6","5","6","5","6","3","1") = "5"
    & skf21("5","6","5","6","5","6","4","1") = "5"
    & skf21("5","6","5","6","5","6","5","1") = "5"
    & skf21("5","6","5","6","5","6","6","1") = "5"
    & skf21("5","6","5","6","5","6","7","1") = "6"
    & skf21("5","6","5","6","5","7","1","1") = "6"
    & skf21("5","6","5","6","5","7","2","1") = "6"
    & skf21("5","6","5","6","5","7","3","1") = "6"
    & skf21("5","6","5","6","5","7","4","1") = "6"
    & skf21("5","6","5","6","5","7","5","1") = "6"
    & skf21("5","6","5","6","5","7","6","1") = "6"
    & skf21("5","6","5","6","5","7","7","1") = "6"
    & skf21("5","6","5","6","6","1","1","1") = "5"
    & skf21("5","6","5","6","6","1","2","1") = "5"
    & skf21("5","6","5","6","6","1","3","1") = "5"
    & skf21("5","6","5","6","6","1","4","1") = "5"
    & skf21("5","6","5","6","6","1","5","1") = "5"
    & skf21("5","6","5","6","6","1","6","1") = "5"
    & skf21("5","6","5","6","6","1","7","1") = "6"
    & skf21("5","6","5","6","6","2","1","1") = "5"
    & skf21("5","6","5","6","6","2","2","1") = "5"
    & skf21("5","6","5","6","6","2","3","1") = "5"
    & skf21("5","6","5","6","6","2","4","1") = "5"
    & skf21("5","6","5","6","6","2","5","1") = "5"
    & skf21("5","6","5","6","6","2","6","1") = "5"
    & skf21("5","6","5","6","6","2","7","1") = "6"
    & skf21("5","6","5","6","6","3","1","1") = "5"
    & skf21("5","6","5","6","6","3","2","1") = "5"
    & skf21("5","6","5","6","6","3","3","1") = "5"
    & skf21("5","6","5","6","6","3","4","1") = "5"
    & skf21("5","6","5","6","6","3","5","1") = "5"
    & skf21("5","6","5","6","6","3","6","1") = "5"
    & skf21("5","6","5","6","6","3","7","1") = "6"
    & skf21("5","6","5","6","6","4","1","1") = "5"
    & skf21("5","6","5","6","6","4","2","1") = "5"
    & skf21("5","6","5","6","6","4","3","1") = "5"
    & skf21("5","6","5","6","6","4","4","1") = "5"
    & skf21("5","6","5","6","6","4","5","1") = "5"
    & skf21("5","6","5","6","6","4","6","1") = "5"
    & skf21("5","6","5","6","6","4","7","1") = "6"
    & skf21("5","6","5","6","6","5","1","1") = "5"
    & skf21("5","6","5","6","6","5","2","1") = "5"
    & skf21("5","6","5","6","6","5","3","1") = "5"
    & skf21("5","6","5","6","6","5","4","1") = "5"
    & skf21("5","6","5","6","6","5","5","1") = "5"
    & skf21("5","6","5","6","6","5","6","1") = "5"
    & skf21("5","6","5","6","6","5","7","1") = "6"
    & skf21("5","6","5","6","6","6","1","1") = "5"
    & skf21("5","6","5","6","6","6","2","1") = "5"
    & skf21("5","6","5","6","6","6","3","1") = "5"
    & skf21("5","6","5","6","6","6","4","1") = "5"
    & skf21("5","6","5","6","6","6","5","1") = "5"
    & skf21("5","6","5","6","6","6","6","1") = "5"
    & skf21("5","6","5","6","6","6","7","1") = "6"
    & skf21("5","6","5","6","6","7","1","1") = "6"
    & skf21("5","6","5","6","6","7","2","1") = "6"
    & skf21("5","6","5","6","6","7","3","1") = "6"
    & skf21("5","6","5","6","6","7","4","1") = "6"
    & skf21("5","6","5","6","6","7","5","1") = "6"
    & skf21("5","6","5","6","6","7","6","1") = "6"
    & skf21("5","6","5","6","6","7","7","1") = "6"
    & skf21("5","6","5","6","7","1","1","1") = "6"
    & skf21("5","6","5","6","7","1","2","1") = "6"
    & skf21("5","6","5","6","7","1","3","1") = "6"
    & skf21("5","6","5","6","7","1","4","1") = "6"
    & skf21("5","6","5","6","7","1","5","1") = "6"
    & skf21("5","6","5","6","7","1","6","1") = "6"
    & skf21("5","6","5","6","7","1","7","1") = "6"
    & skf21("5","6","5","6","7","2","1","1") = "6"
    & skf21("5","6","5","6","7","2","2","1") = "6"
    & skf21("5","6","5","6","7","2","3","1") = "6"
    & skf21("5","6","5","6","7","2","4","1") = "6"
    & skf21("5","6","5","6","7","2","5","1") = "6"
    & skf21("5","6","5","6","7","2","6","1") = "6"
    & skf21("5","6","5","6","7","2","7","1") = "6"
    & skf21("5","6","5","6","7","3","1","1") = "6"
    & skf21("5","6","5","6","7","3","2","1") = "6"
    & skf21("5","6","5","6","7","3","3","1") = "6"
    & skf21("5","6","5","6","7","3","4","1") = "6"
    & skf21("5","6","5","6","7","3","5","1") = "6"
    & skf21("5","6","5","6","7","3","6","1") = "6"
    & skf21("5","6","5","6","7","3","7","1") = "6"
    & skf21("5","6","5","6","7","4","1","1") = "6"
    & skf21("5","6","5","6","7","4","2","1") = "6"
    & skf21("5","6","5","6","7","4","3","1") = "6"
    & skf21("5","6","5","6","7","4","4","1") = "6"
    & skf21("5","6","5","6","7","4","5","1") = "6"
    & skf21("5","6","5","6","7","4","6","1") = "6"
    & skf21("5","6","5","6","7","4","7","1") = "6"
    & skf21("5","6","5","6","7","5","1","1") = "6"
    & skf21("5","6","5","6","7","5","2","1") = "6"
    & skf21("5","6","5","6","7","5","3","1") = "6"
    & skf21("5","6","5","6","7","5","4","1") = "6"
    & skf21("5","6","5","6","7","5","5","1") = "6"
    & skf21("5","6","5","6","7","5","6","1") = "6"
    & skf21("5","6","5","6","7","5","7","1") = "6"
    & skf21("5","6","5","6","7","6","1","1") = "6"
    & skf21("5","6","5","6","7","6","2","1") = "6"
    & skf21("5","6","5","6","7","6","3","1") = "6"
    & skf21("5","6","5","6","7","6","4","1") = "6"
    & skf21("5","6","5","6","7","6","5","1") = "6"
    & skf21("5","6","5","6","7","6","6","1") = "6"
    & skf21("5","6","5","6","7","6","7","1") = "6"
    & skf21("5","6","5","6","7","7","1","1") = "6"
    & skf21("5","6","5","6","7","7","2","1") = "6"
    & skf21("5","6","5","6","7","7","3","1") = "6"
    & skf21("5","6","5","6","7","7","4","1") = "6"
    & skf21("5","6","5","6","7","7","5","1") = "6"
    & skf21("5","6","5","6","7","7","6","1") = "6"
    & skf21("5","6","5","6","7","7","7","1") = "6"
    & skf21("5","6","5","7","1","1","1","1") = "6"
    & skf21("5","6","5","7","1","1","2","1") = "6"
    & skf21("5","6","5","7","1","1","3","1") = "6"
    & skf21("5","6","5","7","1","1","4","1") = "6"
    & skf21("5","6","5","7","1","1","5","1") = "6"
    & skf21("5","6","5","7","1","1","6","1") = "6"
    & skf21("5","6","5","7","1","1","7","1") = "6"
    & skf21("5","6","5","7","1","2","1","1") = "6"
    & skf21("5","6","5","7","1","2","2","1") = "6"
    & skf21("5","6","5","7","1","2","3","1") = "6"
    & skf21("5","6","5","7","1","2","4","1") = "6"
    & skf21("5","6","5","7","1","2","5","1") = "6"
    & skf21("5","6","5","7","1","2","6","1") = "6"
    & skf21("5","6","5","7","1","2","7","1") = "6"
    & skf21("5","6","5","7","1","3","1","1") = "6"
    & skf21("5","6","5","7","1","3","2","1") = "6"
    & skf21("5","6","5","7","1","3","3","1") = "6"
    & skf21("5","6","5","7","1","3","4","1") = "6"
    & skf21("5","6","5","7","1","3","5","1") = "6"
    & skf21("5","6","5","7","1","3","6","1") = "6"
    & skf21("5","6","5","7","1","3","7","1") = "6"
    & skf21("5","6","5","7","1","4","1","1") = "6"
    & skf21("5","6","5","7","1","4","2","1") = "6"
    & skf21("5","6","5","7","1","4","3","1") = "6"
    & skf21("5","6","5","7","1","4","4","1") = "6"
    & skf21("5","6","5","7","1","4","5","1") = "6"
    & skf21("5","6","5","7","1","4","6","1") = "6"
    & skf21("5","6","5","7","1","4","7","1") = "6"
    & skf21("5","6","5","7","1","5","1","1") = "6"
    & skf21("5","6","5","7","1","5","2","1") = "6"
    & skf21("5","6","5","7","1","5","3","1") = "6"
    & skf21("5","6","5","7","1","5","4","1") = "6"
    & skf21("5","6","5","7","1","5","5","1") = "6"
    & skf21("5","6","5","7","1","5","6","1") = "6"
    & skf21("5","6","5","7","1","5","7","1") = "6"
    & skf21("5","6","5","7","1","6","1","1") = "6"
    & skf21("5","6","5","7","1","6","2","1") = "6"
    & skf21("5","6","5","7","1","6","3","1") = "6"
    & skf21("5","6","5","7","1","6","4","1") = "6"
    & skf21("5","6","5","7","1","6","5","1") = "6"
    & skf21("5","6","5","7","1","6","6","1") = "6"
    & skf21("5","6","5","7","1","6","7","1") = "6"
    & skf21("5","6","5","7","1","7","1","1") = "6"
    & skf21("5","6","5","7","1","7","2","1") = "6"
    & skf21("5","6","5","7","1","7","3","1") = "6"
    & skf21("5","6","5","7","1","7","4","1") = "6"
    & skf21("5","6","5","7","1","7","5","1") = "6"
    & skf21("5","6","5","7","1","7","6","1") = "6"
    & skf21("5","6","5","7","1","7","7","1") = "6"
    & skf21("5","6","5","7","2","1","1","1") = "6"
    & skf21("5","6","5","7","2","1","2","1") = "6"
    & skf21("5","6","5","7","2","1","3","1") = "6"
    & skf21("5","6","5","7","2","1","4","1") = "6"
    & skf21("5","6","5","7","2","1","5","1") = "6"
    & skf21("5","6","5","7","2","1","6","1") = "6"
    & skf21("5","6","5","7","2","1","7","1") = "6"
    & skf21("5","6","5","7","2","2","1","1") = "6"
    & skf21("5","6","5","7","2","2","2","1") = "6"
    & skf21("5","6","5","7","2","2","3","1") = "6"
    & skf21("5","6","5","7","2","2","4","1") = "6"
    & skf21("5","6","5","7","2","2","5","1") = "6"
    & skf21("5","6","5","7","2","2","6","1") = "6"
    & skf21("5","6","5","7","2","2","7","1") = "6"
    & skf21("5","6","5","7","2","3","1","1") = "6"
    & skf21("5","6","5","7","2","3","2","1") = "6"
    & skf21("5","6","5","7","2","3","3","1") = "6"
    & skf21("5","6","5","7","2","3","4","1") = "6"
    & skf21("5","6","5","7","2","3","5","1") = "6"
    & skf21("5","6","5","7","2","3","6","1") = "6"
    & skf21("5","6","5","7","2","3","7","1") = "6"
    & skf21("5","6","5","7","2","4","1","1") = "6"
    & skf21("5","6","5","7","2","4","2","1") = "6"
    & skf21("5","6","5","7","2","4","3","1") = "6"
    & skf21("5","6","5","7","2","4","4","1") = "6"
    & skf21("5","6","5","7","2","4","5","1") = "6"
    & skf21("5","6","5","7","2","4","6","1") = "6"
    & skf21("5","6","5","7","2","4","7","1") = "6"
    & skf21("5","6","5","7","2","5","1","1") = "6"
    & skf21("5","6","5","7","2","5","2","1") = "6"
    & skf21("5","6","5","7","2","5","3","1") = "6"
    & skf21("5","6","5","7","2","5","4","1") = "6"
    & skf21("5","6","5","7","2","5","5","1") = "6"
    & skf21("5","6","5","7","2","5","6","1") = "6"
    & skf21("5","6","5","7","2","5","7","1") = "6"
    & skf21("5","6","5","7","2","6","1","1") = "6"
    & skf21("5","6","5","7","2","6","2","1") = "6"
    & skf21("5","6","5","7","2","6","3","1") = "6"
    & skf21("5","6","5","7","2","6","4","1") = "6"
    & skf21("5","6","5","7","2","6","5","1") = "6"
    & skf21("5","6","5","7","2","6","6","1") = "6"
    & skf21("5","6","5","7","2","6","7","1") = "6"
    & skf21("5","6","5","7","2","7","1","1") = "6"
    & skf21("5","6","5","7","2","7","2","1") = "6"
    & skf21("5","6","5","7","2","7","3","1") = "6"
    & skf21("5","6","5","7","2","7","4","1") = "6"
    & skf21("5","6","5","7","2","7","5","1") = "6"
    & skf21("5","6","5","7","2","7","6","1") = "6"
    & skf21("5","6","5","7","2","7","7","1") = "6"
    & skf21("5","6","5","7","3","1","1","1") = "6"
    & skf21("5","6","5","7","3","1","2","1") = "6"
    & skf21("5","6","5","7","3","1","3","1") = "6"
    & skf21("5","6","5","7","3","1","4","1") = "6"
    & skf21("5","6","5","7","3","1","5","1") = "6"
    & skf21("5","6","5","7","3","1","6","1") = "6"
    & skf21("5","6","5","7","3","1","7","1") = "6"
    & skf21("5","6","5","7","3","2","1","1") = "6"
    & skf21("5","6","5","7","3","2","2","1") = "6"
    & skf21("5","6","5","7","3","2","3","1") = "6"
    & skf21("5","6","5","7","3","2","4","1") = "6"
    & skf21("5","6","5","7","3","2","5","1") = "6"
    & skf21("5","6","5","7","3","2","6","1") = "6"
    & skf21("5","6","5","7","3","2","7","1") = "6"
    & skf21("5","6","5","7","3","3","1","1") = "6"
    & skf21("5","6","5","7","3","3","2","1") = "6"
    & skf21("5","6","5","7","3","3","3","1") = "6"
    & skf21("5","6","5","7","3","3","4","1") = "6"
    & skf21("5","6","5","7","3","3","5","1") = "6"
    & skf21("5","6","5","7","3","3","6","1") = "6"
    & skf21("5","6","5","7","3","3","7","1") = "6"
    & skf21("5","6","5","7","3","4","1","1") = "6"
    & skf21("5","6","5","7","3","4","2","1") = "6"
    & skf21("5","6","5","7","3","4","3","1") = "6"
    & skf21("5","6","5","7","3","4","4","1") = "6"
    & skf21("5","6","5","7","3","4","5","1") = "6"
    & skf21("5","6","5","7","3","4","6","1") = "6"
    & skf21("5","6","5","7","3","4","7","1") = "6"
    & skf21("5","6","5","7","3","5","1","1") = "6"
    & skf21("5","6","5","7","3","5","2","1") = "6"
    & skf21("5","6","5","7","3","5","3","1") = "6"
    & skf21("5","6","5","7","3","5","4","1") = "6"
    & skf21("5","6","5","7","3","5","5","1") = "6"
    & skf21("5","6","5","7","3","5","6","1") = "6"
    & skf21("5","6","5","7","3","5","7","1") = "6"
    & skf21("5","6","5","7","3","6","1","1") = "6"
    & skf21("5","6","5","7","3","6","2","1") = "6"
    & skf21("5","6","5","7","3","6","3","1") = "6"
    & skf21("5","6","5","7","3","6","4","1") = "6"
    & skf21("5","6","5","7","3","6","5","1") = "6"
    & skf21("5","6","5","7","3","6","6","1") = "6"
    & skf21("5","6","5","7","3","6","7","1") = "6"
    & skf21("5","6","5","7","3","7","1","1") = "6"
    & skf21("5","6","5","7","3","7","2","1") = "6"
    & skf21("5","6","5","7","3","7","3","1") = "6"
    & skf21("5","6","5","7","3","7","4","1") = "6"
    & skf21("5","6","5","7","3","7","5","1") = "6"
    & skf21("5","6","5","7","3","7","6","1") = "6"
    & skf21("5","6","5","7","3","7","7","1") = "6"
    & skf21("5","6","5","7","4","1","1","1") = "6"
    & skf21("5","6","5","7","4","1","2","1") = "6"
    & skf21("5","6","5","7","4","1","3","1") = "6"
    & skf21("5","6","5","7","4","1","4","1") = "6"
    & skf21("5","6","5","7","4","1","5","1") = "6"
    & skf21("5","6","5","7","4","1","6","1") = "6"
    & skf21("5","6","5","7","4","1","7","1") = "6"
    & skf21("5","6","5","7","4","2","1","1") = "6"
    & skf21("5","6","5","7","4","2","2","1") = "6"
    & skf21("5","6","5","7","4","2","3","1") = "6"
    & skf21("5","6","5","7","4","2","4","1") = "6"
    & skf21("5","6","5","7","4","2","5","1") = "6"
    & skf21("5","6","5","7","4","2","6","1") = "6"
    & skf21("5","6","5","7","4","2","7","1") = "6"
    & skf21("5","6","5","7","4","3","1","1") = "6"
    & skf21("5","6","5","7","4","3","2","1") = "6"
    & skf21("5","6","5","7","4","3","3","1") = "6"
    & skf21("5","6","5","7","4","3","4","1") = "6"
    & skf21("5","6","5","7","4","3","5","1") = "6"
    & skf21("5","6","5","7","4","3","6","1") = "6"
    & skf21("5","6","5","7","4","3","7","1") = "6"
    & skf21("5","6","5","7","4","4","1","1") = "6"
    & skf21("5","6","5","7","4","4","2","1") = "6"
    & skf21("5","6","5","7","4","4","3","1") = "6"
    & skf21("5","6","5","7","4","4","4","1") = "6"
    & skf21("5","6","5","7","4","4","5","1") = "6"
    & skf21("5","6","5","7","4","4","6","1") = "6"
    & skf21("5","6","5","7","4","4","7","1") = "6"
    & skf21("5","6","5","7","4","5","1","1") = "6"
    & skf21("5","6","5","7","4","5","2","1") = "6"
    & skf21("5","6","5","7","4","5","3","1") = "6"
    & skf21("5","6","5","7","4","5","4","1") = "6"
    & skf21("5","6","5","7","4","5","5","1") = "6"
    & skf21("5","6","5","7","4","5","6","1") = "6"
    & skf21("5","6","5","7","4","5","7","1") = "6"
    & skf21("5","6","5","7","4","6","1","1") = "6"
    & skf21("5","6","5","7","4","6","2","1") = "6"
    & skf21("5","6","5","7","4","6","3","1") = "6"
    & skf21("5","6","5","7","4","6","4","1") = "6"
    & skf21("5","6","5","7","4","6","5","1") = "6"
    & skf21("5","6","5","7","4","6","6","1") = "6"
    & skf21("5","6","5","7","4","6","7","1") = "6"
    & skf21("5","6","5","7","4","7","1","1") = "6"
    & skf21("5","6","5","7","4","7","2","1") = "6"
    & skf21("5","6","5","7","4","7","3","1") = "6"
    & skf21("5","6","5","7","4","7","4","1") = "6"
    & skf21("5","6","5","7","4","7","5","1") = "6"
    & skf21("5","6","5","7","4","7","6","1") = "6"
    & skf21("5","6","5","7","4","7","7","1") = "6"
    & skf21("5","6","5","7","5","1","1","1") = "6"
    & skf21("5","6","5","7","5","1","2","1") = "6"
    & skf21("5","6","5","7","5","1","3","1") = "6"
    & skf21("5","6","5","7","5","1","4","1") = "6"
    & skf21("5","6","5","7","5","1","5","1") = "6"
    & skf21("5","6","5","7","5","1","6","1") = "6"
    & skf21("5","6","5","7","5","1","7","1") = "6"
    & skf21("5","6","5","7","5","2","1","1") = "6"
    & skf21("5","6","5","7","5","2","2","1") = "6"
    & skf21("5","6","5","7","5","2","3","1") = "6"
    & skf21("5","6","5","7","5","2","4","1") = "6"
    & skf21("5","6","5","7","5","2","5","1") = "6"
    & skf21("5","6","5","7","5","2","6","1") = "6"
    & skf21("5","6","5","7","5","2","7","1") = "6"
    & skf21("5","6","5","7","5","3","1","1") = "6"
    & skf21("5","6","5","7","5","3","2","1") = "6"
    & skf21("5","6","5","7","5","3","3","1") = "6"
    & skf21("5","6","5","7","5","3","4","1") = "6"
    & skf21("5","6","5","7","5","3","5","1") = "6"
    & skf21("5","6","5","7","5","3","6","1") = "6"
    & skf21("5","6","5","7","5","3","7","1") = "6"
    & skf21("5","6","5","7","5","4","1","1") = "6"
    & skf21("5","6","5","7","5","4","2","1") = "6"
    & skf21("5","6","5","7","5","4","3","1") = "6"
    & skf21("5","6","5","7","5","4","4","1") = "6"
    & skf21("5","6","5","7","5","4","5","1") = "6"
    & skf21("5","6","5","7","5","4","6","1") = "6"
    & skf21("5","6","5","7","5","4","7","1") = "6"
    & skf21("5","6","5","7","5","5","1","1") = "6"
    & skf21("5","6","5","7","5","5","2","1") = "6"
    & skf21("5","6","5","7","5","5","3","1") = "6"
    & skf21("5","6","5","7","5","5","4","1") = "6"
    & skf21("5","6","5","7","5","5","5","1") = "6"
    & skf21("5","6","5","7","5","5","6","1") = "6"
    & skf21("5","6","5","7","5","5","7","1") = "6"
    & skf21("5","6","5","7","5","6","1","1") = "6"
    & skf21("5","6","5","7","5","6","2","1") = "6"
    & skf21("5","6","5","7","5","6","3","1") = "6"
    & skf21("5","6","5","7","5","6","4","1") = "6"
    & skf21("5","6","5","7","5","6","5","1") = "6"
    & skf21("5","6","5","7","5","6","6","1") = "6"
    & skf21("5","6","5","7","5","6","7","1") = "6"
    & skf21("5","6","5","7","5","7","1","1") = "6"
    & skf21("5","6","5","7","5","7","2","1") = "6"
    & skf21("5","6","5","7","5","7","3","1") = "6"
    & skf21("5","6","5","7","5","7","4","1") = "6"
    & skf21("5","6","5","7","5","7","5","1") = "6"
    & skf21("5","6","5","7","5","7","6","1") = "6"
    & skf21("5","6","5","7","5","7","7","1") = "6"
    & skf21("5","6","5","7","6","1","1","1") = "6"
    & skf21("5","6","5","7","6","1","2","1") = "6"
    & skf21("5","6","5","7","6","1","3","1") = "6"
    & skf21("5","6","5","7","6","1","4","1") = "6"
    & skf21("5","6","5","7","6","1","5","1") = "6"
    & skf21("5","6","5","7","6","1","6","1") = "6"
    & skf21("5","6","5","7","6","1","7","1") = "6"
    & skf21("5","6","5","7","6","2","1","1") = "6"
    & skf21("5","6","5","7","6","2","2","1") = "6"
    & skf21("5","6","5","7","6","2","3","1") = "6"
    & skf21("5","6","5","7","6","2","4","1") = "6"
    & skf21("5","6","5","7","6","2","5","1") = "6"
    & skf21("5","6","5","7","6","2","6","1") = "6"
    & skf21("5","6","5","7","6","2","7","1") = "6"
    & skf21("5","6","5","7","6","3","1","1") = "6"
    & skf21("5","6","5","7","6","3","2","1") = "6"
    & skf21("5","6","5","7","6","3","3","1") = "6"
    & skf21("5","6","5","7","6","3","4","1") = "6"
    & skf21("5","6","5","7","6","3","5","1") = "6"
    & skf21("5","6","5","7","6","3","6","1") = "6"
    & skf21("5","6","5","7","6","3","7","1") = "6"
    & skf21("5","6","5","7","6","4","1","1") = "6"
    & skf21("5","6","5","7","6","4","2","1") = "6"
    & skf21("5","6","5","7","6","4","3","1") = "6"
    & skf21("5","6","5","7","6","4","4","1") = "6"
    & skf21("5","6","5","7","6","4","5","1") = "6"
    & skf21("5","6","5","7","6","4","6","1") = "6"
    & skf21("5","6","5","7","6","4","7","1") = "6"
    & skf21("5","6","5","7","6","5","1","1") = "6"
    & skf21("5","6","5","7","6","5","2","1") = "6"
    & skf21("5","6","5","7","6","5","3","1") = "6"
    & skf21("5","6","5","7","6","5","4","1") = "6"
    & skf21("5","6","5","7","6","5","5","1") = "6"
    & skf21("5","6","5","7","6","5","6","1") = "6"
    & skf21("5","6","5","7","6","5","7","1") = "6"
    & skf21("5","6","5","7","6","6","1","1") = "6"
    & skf21("5","6","5","7","6","6","2","1") = "6"
    & skf21("5","6","5","7","6","6","3","1") = "6"
    & skf21("5","6","5","7","6","6","4","1") = "6"
    & skf21("5","6","5","7","6","6","5","1") = "6"
    & skf21("5","6","5","7","6","6","6","1") = "6"
    & skf21("5","6","5","7","6","6","7","1") = "6"
    & skf21("5","6","5","7","6","7","1","1") = "6"
    & skf21("5","6","5","7","6","7","2","1") = "6"
    & skf21("5","6","5","7","6","7","3","1") = "6"
    & skf21("5","6","5","7","6","7","4","1") = "6"
    & skf21("5","6","5","7","6","7","5","1") = "6"
    & skf21("5","6","5","7","6","7","6","1") = "6"
    & skf21("5","6","5","7","6","7","7","1") = "6"
    & skf21("5","6","5","7","7","1","1","1") = "6"
    & skf21("5","6","5","7","7","1","2","1") = "6"
    & skf21("5","6","5","7","7","1","3","1") = "6"
    & skf21("5","6","5","7","7","1","4","1") = "6"
    & skf21("5","6","5","7","7","1","5","1") = "6"
    & skf21("5","6","5","7","7","1","6","1") = "6"
    & skf21("5","6","5","7","7","1","7","1") = "6"
    & skf21("5","6","5","7","7","2","1","1") = "6"
    & skf21("5","6","5","7","7","2","2","1") = "6"
    & skf21("5","6","5","7","7","2","3","1") = "6"
    & skf21("5","6","5","7","7","2","4","1") = "6"
    & skf21("5","6","5","7","7","2","5","1") = "6"
    & skf21("5","6","5","7","7","2","6","1") = "6"
    & skf21("5","6","5","7","7","2","7","1") = "6"
    & skf21("5","6","5","7","7","3","1","1") = "6"
    & skf21("5","6","5","7","7","3","2","1") = "6"
    & skf21("5","6","5","7","7","3","3","1") = "6"
    & skf21("5","6","5","7","7","3","4","1") = "6"
    & skf21("5","6","5","7","7","3","5","1") = "6"
    & skf21("5","6","5","7","7","3","6","1") = "6"
    & skf21("5","6","5","7","7","3","7","1") = "6"
    & skf21("5","6","5","7","7","4","1","1") = "6"
    & skf21("5","6","5","7","7","4","2","1") = "6"
    & skf21("5","6","5","7","7","4","3","1") = "6"
    & skf21("5","6","5","7","7","4","4","1") = "6"
    & skf21("5","6","5","7","7","4","5","1") = "6"
    & skf21("5","6","5","7","7","4","6","1") = "6"
    & skf21("5","6","5","7","7","4","7","1") = "6"
    & skf21("5","6","5","7","7","5","1","1") = "6"
    & skf21("5","6","5","7","7","5","2","1") = "6"
    & skf21("5","6","5","7","7","5","3","1") = "6"
    & skf21("5","6","5","7","7","5","4","1") = "6"
    & skf21("5","6","5","7","7","5","5","1") = "6"
    & skf21("5","6","5","7","7","5","6","1") = "6"
    & skf21("5","6","5","7","7","5","7","1") = "6"
    & skf21("5","6","5","7","7","6","1","1") = "6"
    & skf21("5","6","5","7","7","6","2","1") = "6"
    & skf21("5","6","5","7","7","6","3","1") = "6"
    & skf21("5","6","5","7","7","6","4","1") = "6"
    & skf21("5","6","5","7","7","6","5","1") = "6"
    & skf21("5","6","5","7","7","6","6","1") = "6"
    & skf21("5","6","5","7","7","6","7","1") = "6"
    & skf21("5","6","5","7","7","7","1","1") = "6"
    & skf21("5","6","5","7","7","7","2","1") = "6"
    & skf21("5","6","5","7","7","7","3","1") = "6"
    & skf21("5","6","5","7","7","7","4","1") = "6"
    & skf21("5","6","5","7","7","7","5","1") = "6"
    & skf21("5","6","5","7","7","7","6","1") = "6"
    & skf21("5","6","5","7","7","7","7","1") = "6"
    & skf21("5","6","6","1","1","1","1","1") = "5"
    & skf21("5","6","6","1","1","1","2","1") = "5"
    & skf21("5","6","6","1","1","1","3","1") = "5"
    & skf21("5","6","6","1","1","1","4","1") = "5"
    & skf21("5","6","6","1","1","1","5","1") = "5"
    & skf21("5","6","6","1","1","1","6","1") = "5"
    & skf21("5","6","6","1","1","1","7","1") = "6"
    & skf21("5","6","6","1","1","2","1","1") = "5"
    & skf21("5","6","6","1","1","2","2","1") = "5"
    & skf21("5","6","6","1","1","2","3","1") = "5"
    & skf21("5","6","6","1","1","2","4","1") = "5"
    & skf21("5","6","6","1","1","2","5","1") = "5"
    & skf21("5","6","6","1","1","2","6","1") = "5"
    & skf21("5","6","6","1","1","2","7","1") = "6"
    & skf21("5","6","6","1","1","3","1","1") = "5"
    & skf21("5","6","6","1","1","3","2","1") = "5"
    & skf21("5","6","6","1","1","3","3","1") = "5"
    & skf21("5","6","6","1","1","3","4","1") = "5"
    & skf21("5","6","6","1","1","3","5","1") = "5"
    & skf21("5","6","6","1","1","3","6","1") = "5"
    & skf21("5","6","6","1","1","3","7","1") = "6"
    & skf21("5","6","6","1","1","4","1","1") = "5"
    & skf21("5","6","6","1","1","4","2","1") = "5"
    & skf21("5","6","6","1","1","4","3","1") = "5"
    & skf21("5","6","6","1","1","4","4","1") = "5"
    & skf21("5","6","6","1","1","4","5","1") = "5"
    & skf21("5","6","6","1","1","4","6","1") = "5"
    & skf21("5","6","6","1","1","4","7","1") = "6"
    & skf21("5","6","6","1","1","5","1","1") = "5"
    & skf21("5","6","6","1","1","5","2","1") = "5"
    & skf21("5","6","6","1","1","5","3","1") = "5"
    & skf21("5","6","6","1","1","5","4","1") = "5"
    & skf21("5","6","6","1","1","5","5","1") = "5"
    & skf21("5","6","6","1","1","5","6","1") = "5"
    & skf21("5","6","6","1","1","5","7","1") = "6"
    & skf21("5","6","6","1","1","6","1","1") = "5"
    & skf21("5","6","6","1","1","6","2","1") = "5"
    & skf21("5","6","6","1","1","6","3","1") = "5"
    & skf21("5","6","6","1","1","6","4","1") = "5"
    & skf21("5","6","6","1","1","6","5","1") = "5"
    & skf21("5","6","6","1","1","6","6","1") = "5"
    & skf21("5","6","6","1","1","6","7","1") = "6"
    & skf21("5","6","6","1","1","7","1","1") = "6"
    & skf21("5","6","6","1","1","7","2","1") = "6"
    & skf21("5","6","6","1","1","7","3","1") = "6"
    & skf21("5","6","6","1","1","7","4","1") = "6"
    & skf21("5","6","6","1","1","7","5","1") = "6"
    & skf21("5","6","6","1","1","7","6","1") = "6"
    & skf21("5","6","6","1","1","7","7","1") = "6"
    & skf21("5","6","6","1","2","1","1","1") = "5"
    & skf21("5","6","6","1","2","1","2","1") = "5"
    & skf21("5","6","6","1","2","1","3","1") = "5"
    & skf21("5","6","6","1","2","1","4","1") = "5"
    & skf21("5","6","6","1","2","1","5","1") = "5"
    & skf21("5","6","6","1","2","1","6","1") = "5"
    & skf21("5","6","6","1","2","1","7","1") = "6"
    & skf21("5","6","6","1","2","2","1","1") = "5"
    & skf21("5","6","6","1","2","2","2","1") = "5"
    & skf21("5","6","6","1","2","2","3","1") = "5"
    & skf21("5","6","6","1","2","2","4","1") = "5"
    & skf21("5","6","6","1","2","2","5","1") = "5"
    & skf21("5","6","6","1","2","2","6","1") = "5"
    & skf21("5","6","6","1","2","2","7","1") = "6"
    & skf21("5","6","6","1","2","3","1","1") = "5"
    & skf21("5","6","6","1","2","3","2","1") = "5"
    & skf21("5","6","6","1","2","3","3","1") = "5"
    & skf21("5","6","6","1","2","3","4","1") = "5"
    & skf21("5","6","6","1","2","3","5","1") = "5"
    & skf21("5","6","6","1","2","3","6","1") = "5"
    & skf21("5","6","6","1","2","3","7","1") = "6"
    & skf21("5","6","6","1","2","4","1","1") = "5"
    & skf21("5","6","6","1","2","4","2","1") = "5"
    & skf21("5","6","6","1","2","4","3","1") = "5"
    & skf21("5","6","6","1","2","4","4","1") = "5"
    & skf21("5","6","6","1","2","4","5","1") = "5"
    & skf21("5","6","6","1","2","4","6","1") = "5"
    & skf21("5","6","6","1","2","4","7","1") = "6"
    & skf21("5","6","6","1","2","5","1","1") = "5"
    & skf21("5","6","6","1","2","5","2","1") = "5"
    & skf21("5","6","6","1","2","5","3","1") = "5"
    & skf21("5","6","6","1","2","5","4","1") = "5"
    & skf21("5","6","6","1","2","5","5","1") = "5"
    & skf21("5","6","6","1","2","5","6","1") = "5"
    & skf21("5","6","6","1","2","5","7","1") = "6"
    & skf21("5","6","6","1","2","6","1","1") = "5"
    & skf21("5","6","6","1","2","6","2","1") = "5"
    & skf21("5","6","6","1","2","6","3","1") = "5"
    & skf21("5","6","6","1","2","6","4","1") = "5"
    & skf21("5","6","6","1","2","6","5","1") = "5"
    & skf21("5","6","6","1","2","6","6","1") = "5"
    & skf21("5","6","6","1","2","6","7","1") = "6"
    & skf21("5","6","6","1","2","7","1","1") = "6"
    & skf21("5","6","6","1","2","7","2","1") = "6"
    & skf21("5","6","6","1","2","7","3","1") = "6"
    & skf21("5","6","6","1","2","7","4","1") = "6"
    & skf21("5","6","6","1","2","7","5","1") = "6"
    & skf21("5","6","6","1","2","7","6","1") = "6"
    & skf21("5","6","6","1","2","7","7","1") = "6"
    & skf21("5","6","6","1","3","1","1","1") = "5"
    & skf21("5","6","6","1","3","1","2","1") = "5"
    & skf21("5","6","6","1","3","1","3","1") = "5"
    & skf21("5","6","6","1","3","1","4","1") = "5"
    & skf21("5","6","6","1","3","1","5","1") = "5"
    & skf21("5","6","6","1","3","1","6","1") = "5"
    & skf21("5","6","6","1","3","1","7","1") = "6"
    & skf21("5","6","6","1","3","2","1","1") = "5"
    & skf21("5","6","6","1","3","2","2","1") = "5"
    & skf21("5","6","6","1","3","2","3","1") = "5"
    & skf21("5","6","6","1","3","2","4","1") = "5"
    & skf21("5","6","6","1","3","2","5","1") = "5"
    & skf21("5","6","6","1","3","2","6","1") = "5"
    & skf21("5","6","6","1","3","2","7","1") = "6"
    & skf21("5","6","6","1","3","3","1","1") = "5"
    & skf21("5","6","6","1","3","3","2","1") = "5"
    & skf21("5","6","6","1","3","3","3","1") = "5"
    & skf21("5","6","6","1","3","3","4","1") = "5"
    & skf21("5","6","6","1","3","3","5","1") = "5"
    & skf21("5","6","6","1","3","3","6","1") = "5"
    & skf21("5","6","6","1","3","3","7","1") = "6"
    & skf21("5","6","6","1","3","4","1","1") = "5"
    & skf21("5","6","6","1","3","4","2","1") = "5"
    & skf21("5","6","6","1","3","4","3","1") = "5"
    & skf21("5","6","6","1","3","4","4","1") = "5"
    & skf21("5","6","6","1","3","4","5","1") = "5"
    & skf21("5","6","6","1","3","4","6","1") = "5"
    & skf21("5","6","6","1","3","4","7","1") = "6"
    & skf21("5","6","6","1","3","5","1","1") = "5"
    & skf21("5","6","6","1","3","5","2","1") = "5"
    & skf21("5","6","6","1","3","5","3","1") = "5"
    & skf21("5","6","6","1","3","5","4","1") = "5"
    & skf21("5","6","6","1","3","5","5","1") = "5"
    & skf21("5","6","6","1","3","5","6","1") = "5"
    & skf21("5","6","6","1","3","5","7","1") = "6"
    & skf21("5","6","6","1","3","6","1","1") = "5"
    & skf21("5","6","6","1","3","6","2","1") = "5"
    & skf21("5","6","6","1","3","6","3","1") = "5"
    & skf21("5","6","6","1","3","6","4","1") = "5"
    & skf21("5","6","6","1","3","6","5","1") = "5"
    & skf21("5","6","6","1","3","6","6","1") = "5"
    & skf21("5","6","6","1","3","6","7","1") = "6"
    & skf21("5","6","6","1","3","7","1","1") = "6"
    & skf21("5","6","6","1","3","7","2","1") = "6"
    & skf21("5","6","6","1","3","7","3","1") = "6"
    & skf21("5","6","6","1","3","7","4","1") = "6"
    & skf21("5","6","6","1","3","7","5","1") = "6"
    & skf21("5","6","6","1","3","7","6","1") = "6"
    & skf21("5","6","6","1","3","7","7","1") = "6"
    & skf21("5","6","6","1","4","1","1","1") = "5"
    & skf21("5","6","6","1","4","1","2","1") = "5"
    & skf21("5","6","6","1","4","1","3","1") = "5"
    & skf21("5","6","6","1","4","1","4","1") = "5"
    & skf21("5","6","6","1","4","1","5","1") = "5"
    & skf21("5","6","6","1","4","1","6","1") = "5"
    & skf21("5","6","6","1","4","1","7","1") = "6"
    & skf21("5","6","6","1","4","2","1","1") = "5"
    & skf21("5","6","6","1","4","2","2","1") = "5"
    & skf21("5","6","6","1","4","2","3","1") = "5"
    & skf21("5","6","6","1","4","2","4","1") = "5"
    & skf21("5","6","6","1","4","2","5","1") = "5"
    & skf21("5","6","6","1","4","2","6","1") = "5"
    & skf21("5","6","6","1","4","2","7","1") = "6"
    & skf21("5","6","6","1","4","3","1","1") = "5"
    & skf21("5","6","6","1","4","3","2","1") = "5"
    & skf21("5","6","6","1","4","3","3","1") = "5"
    & skf21("5","6","6","1","4","3","4","1") = "5"
    & skf21("5","6","6","1","4","3","5","1") = "5"
    & skf21("5","6","6","1","4","3","6","1") = "5"
    & skf21("5","6","6","1","4","3","7","1") = "6"
    & skf21("5","6","6","1","4","4","1","1") = "5"
    & skf21("5","6","6","1","4","4","2","1") = "5"
    & skf21("5","6","6","1","4","4","3","1") = "5"
    & skf21("5","6","6","1","4","4","4","1") = "5"
    & skf21("5","6","6","1","4","4","5","1") = "5"
    & skf21("5","6","6","1","4","4","6","1") = "5"
    & skf21("5","6","6","1","4","4","7","1") = "6"
    & skf21("5","6","6","1","4","5","1","1") = "5"
    & skf21("5","6","6","1","4","5","2","1") = "5"
    & skf21("5","6","6","1","4","5","3","1") = "5"
    & skf21("5","6","6","1","4","5","4","1") = "5"
    & skf21("5","6","6","1","4","5","5","1") = "5"
    & skf21("5","6","6","1","4","5","6","1") = "5"
    & skf21("5","6","6","1","4","5","7","1") = "6"
    & skf21("5","6","6","1","4","6","1","1") = "5"
    & skf21("5","6","6","1","4","6","2","1") = "5"
    & skf21("5","6","6","1","4","6","3","1") = "5"
    & skf21("5","6","6","1","4","6","4","1") = "5"
    & skf21("5","6","6","1","4","6","5","1") = "5"
    & skf21("5","6","6","1","4","6","6","1") = "5"
    & skf21("5","6","6","1","4","6","7","1") = "6"
    & skf21("5","6","6","1","4","7","1","1") = "6"
    & skf21("5","6","6","1","4","7","2","1") = "6"
    & skf21("5","6","6","1","4","7","3","1") = "6"
    & skf21("5","6","6","1","4","7","4","1") = "6"
    & skf21("5","6","6","1","4","7","5","1") = "6"
    & skf21("5","6","6","1","4","7","6","1") = "6"
    & skf21("5","6","6","1","4","7","7","1") = "6"
    & skf21("5","6","6","1","5","1","1","1") = "5"
    & skf21("5","6","6","1","5","1","2","1") = "5"
    & skf21("5","6","6","1","5","1","3","1") = "5"
    & skf21("5","6","6","1","5","1","4","1") = "5"
    & skf21("5","6","6","1","5","1","5","1") = "5"
    & skf21("5","6","6","1","5","1","6","1") = "5"
    & skf21("5","6","6","1","5","1","7","1") = "6"
    & skf21("5","6","6","1","5","2","1","1") = "5"
    & skf21("5","6","6","1","5","2","2","1") = "5"
    & skf21("5","6","6","1","5","2","3","1") = "5"
    & skf21("5","6","6","1","5","2","4","1") = "5"
    & skf21("5","6","6","1","5","2","5","1") = "5"
    & skf21("5","6","6","1","5","2","6","1") = "5"
    & skf21("5","6","6","1","5","2","7","1") = "6"
    & skf21("5","6","6","1","5","3","1","1") = "5"
    & skf21("5","6","6","1","5","3","2","1") = "5"
    & skf21("5","6","6","1","5","3","3","1") = "5"
    & skf21("5","6","6","1","5","3","4","1") = "5"
    & skf21("5","6","6","1","5","3","5","1") = "5"
    & skf21("5","6","6","1","5","3","6","1") = "5"
    & skf21("5","6","6","1","5","3","7","1") = "6"
    & skf21("5","6","6","1","5","4","1","1") = "5"
    & skf21("5","6","6","1","5","4","2","1") = "5"
    & skf21("5","6","6","1","5","4","3","1") = "5"
    & skf21("5","6","6","1","5","4","4","1") = "5"
    & skf21("5","6","6","1","5","4","5","1") = "5"
    & skf21("5","6","6","1","5","4","6","1") = "5"
    & skf21("5","6","6","1","5","4","7","1") = "6"
    & skf21("5","6","6","1","5","5","1","1") = "5"
    & skf21("5","6","6","1","5","5","2","1") = "5"
    & skf21("5","6","6","1","5","5","3","1") = "5"
    & skf21("5","6","6","1","5","5","4","1") = "5"
    & skf21("5","6","6","1","5","5","5","1") = "5"
    & skf21("5","6","6","1","5","5","6","1") = "5"
    & skf21("5","6","6","1","5","5","7","1") = "6"
    & skf21("5","6","6","1","5","6","1","1") = "5"
    & skf21("5","6","6","1","5","6","2","1") = "5"
    & skf21("5","6","6","1","5","6","3","1") = "5"
    & skf21("5","6","6","1","5","6","4","1") = "5"
    & skf21("5","6","6","1","5","6","5","1") = "5"
    & skf21("5","6","6","1","5","6","6","1") = "5"
    & skf21("5","6","6","1","5","6","7","1") = "6"
    & skf21("5","6","6","1","5","7","1","1") = "6"
    & skf21("5","6","6","1","5","7","2","1") = "6"
    & skf21("5","6","6","1","5","7","3","1") = "6"
    & skf21("5","6","6","1","5","7","4","1") = "6"
    & skf21("5","6","6","1","5","7","5","1") = "6"
    & skf21("5","6","6","1","5","7","6","1") = "6"
    & skf21("5","6","6","1","5","7","7","1") = "6"
    & skf21("5","6","6","1","6","1","1","1") = "5"
    & skf21("5","6","6","1","6","1","2","1") = "5"
    & skf21("5","6","6","1","6","1","3","1") = "5"
    & skf21("5","6","6","1","6","1","4","1") = "5"
    & skf21("5","6","6","1","6","1","5","1") = "5"
    & skf21("5","6","6","1","6","1","6","1") = "5"
    & skf21("5","6","6","1","6","1","7","1") = "6"
    & skf21("5","6","6","1","6","2","1","1") = "5"
    & skf21("5","6","6","1","6","2","2","1") = "5"
    & skf21("5","6","6","1","6","2","3","1") = "5"
    & skf21("5","6","6","1","6","2","4","1") = "5"
    & skf21("5","6","6","1","6","2","5","1") = "5"
    & skf21("5","6","6","1","6","2","6","1") = "5"
    & skf21("5","6","6","1","6","2","7","1") = "6"
    & skf21("5","6","6","1","6","3","1","1") = "5"
    & skf21("5","6","6","1","6","3","2","1") = "5"
    & skf21("5","6","6","1","6","3","3","1") = "5"
    & skf21("5","6","6","1","6","3","4","1") = "5"
    & skf21("5","6","6","1","6","3","5","1") = "5"
    & skf21("5","6","6","1","6","3","6","1") = "5"
    & skf21("5","6","6","1","6","3","7","1") = "6"
    & skf21("5","6","6","1","6","4","1","1") = "5"
    & skf21("5","6","6","1","6","4","2","1") = "5"
    & skf21("5","6","6","1","6","4","3","1") = "5"
    & skf21("5","6","6","1","6","4","4","1") = "5"
    & skf21("5","6","6","1","6","4","5","1") = "5"
    & skf21("5","6","6","1","6","4","6","1") = "5"
    & skf21("5","6","6","1","6","4","7","1") = "6"
    & skf21("5","6","6","1","6","5","1","1") = "5"
    & skf21("5","6","6","1","6","5","2","1") = "5"
    & skf21("5","6","6","1","6","5","3","1") = "5"
    & skf21("5","6","6","1","6","5","4","1") = "5"
    & skf21("5","6","6","1","6","5","5","1") = "5"
    & skf21("5","6","6","1","6","5","6","1") = "5"
    & skf21("5","6","6","1","6","5","7","1") = "6"
    & skf21("5","6","6","1","6","6","1","1") = "5"
    & skf21("5","6","6","1","6","6","2","1") = "5"
    & skf21("5","6","6","1","6","6","3","1") = "5"
    & skf21("5","6","6","1","6","6","4","1") = "5"
    & skf21("5","6","6","1","6","6","5","1") = "5"
    & skf21("5","6","6","1","6","6","6","1") = "5"
    & skf21("5","6","6","1","6","6","7","1") = "6"
    & skf21("5","6","6","1","6","7","1","1") = "6"
    & skf21("5","6","6","1","6","7","2","1") = "6"
    & skf21("5","6","6","1","6","7","3","1") = "6"
    & skf21("5","6","6","1","6","7","4","1") = "6"
    & skf21("5","6","6","1","6","7","5","1") = "6"
    & skf21("5","6","6","1","6","7","6","1") = "6"
    & skf21("5","6","6","1","6","7","7","1") = "6"
    & skf21("5","6","6","1","7","1","1","1") = "6"
    & skf21("5","6","6","1","7","1","2","1") = "6"
    & skf21("5","6","6","1","7","1","3","1") = "6"
    & skf21("5","6","6","1","7","1","4","1") = "6"
    & skf21("5","6","6","1","7","1","5","1") = "6"
    & skf21("5","6","6","1","7","1","6","1") = "6"
    & skf21("5","6","6","1","7","1","7","1") = "6"
    & skf21("5","6","6","1","7","2","1","1") = "6"
    & skf21("5","6","6","1","7","2","2","1") = "6"
    & skf21("5","6","6","1","7","2","3","1") = "6"
    & skf21("5","6","6","1","7","2","4","1") = "6"
    & skf21("5","6","6","1","7","2","5","1") = "6"
    & skf21("5","6","6","1","7","2","6","1") = "6"
    & skf21("5","6","6","1","7","2","7","1") = "6"
    & skf21("5","6","6","1","7","3","1","1") = "6"
    & skf21("5","6","6","1","7","3","2","1") = "6"
    & skf21("5","6","6","1","7","3","3","1") = "6"
    & skf21("5","6","6","1","7","3","4","1") = "6"
    & skf21("5","6","6","1","7","3","5","1") = "6"
    & skf21("5","6","6","1","7","3","6","1") = "6"
    & skf21("5","6","6","1","7","3","7","1") = "6"
    & skf21("5","6","6","1","7","4","1","1") = "6"
    & skf21("5","6","6","1","7","4","2","1") = "6"
    & skf21("5","6","6","1","7","4","3","1") = "6"
    & skf21("5","6","6","1","7","4","4","1") = "6"
    & skf21("5","6","6","1","7","4","5","1") = "6"
    & skf21("5","6","6","1","7","4","6","1") = "6"
    & skf21("5","6","6","1","7","4","7","1") = "6"
    & skf21("5","6","6","1","7","5","1","1") = "6"
    & skf21("5","6","6","1","7","5","2","1") = "6"
    & skf21("5","6","6","1","7","5","3","1") = "6"
    & skf21("5","6","6","1","7","5","4","1") = "6"
    & skf21("5","6","6","1","7","5","5","1") = "6"
    & skf21("5","6","6","1","7","5","6","1") = "6"
    & skf21("5","6","6","1","7","5","7","1") = "6"
    & skf21("5","6","6","1","7","6","1","1") = "6"
    & skf21("5","6","6","1","7","6","2","1") = "6"
    & skf21("5","6","6","1","7","6","3","1") = "6"
    & skf21("5","6","6","1","7","6","4","1") = "6"
    & skf21("5","6","6","1","7","6","5","1") = "6"
    & skf21("5","6","6","1","7","6","6","1") = "6"
    & skf21("5","6","6","1","7","6","7","1") = "6"
    & skf21("5","6","6","1","7","7","1","1") = "6"
    & skf21("5","6","6","1","7","7","2","1") = "6"
    & skf21("5","6","6","1","7","7","3","1") = "6"
    & skf21("5","6","6","1","7","7","4","1") = "6"
    & skf21("5","6","6","1","7","7","5","1") = "6"
    & skf21("5","6","6","1","7","7","6","1") = "6"
    & skf21("5","6","6","1","7","7","7","1") = "6"
    & skf21("5","6","6","2","1","1","1","1") = "5"
    & skf21("5","6","6","2","1","1","2","1") = "5"
    & skf21("5","6","6","2","1","1","3","1") = "5"
    & skf21("5","6","6","2","1","1","4","1") = "5"
    & skf21("5","6","6","2","1","1","5","1") = "5"
    & skf21("5","6","6","2","1","1","6","1") = "5"
    & skf21("5","6","6","2","1","1","7","1") = "6"
    & skf21("5","6","6","2","1","2","1","1") = "5"
    & skf21("5","6","6","2","1","2","2","1") = "5"
    & skf21("5","6","6","2","1","2","3","1") = "5"
    & skf21("5","6","6","2","1","2","4","1") = "5"
    & skf21("5","6","6","2","1","2","5","1") = "5"
    & skf21("5","6","6","2","1","2","6","1") = "5"
    & skf21("5","6","6","2","1","2","7","1") = "6"
    & skf21("5","6","6","2","1","3","1","1") = "5"
    & skf21("5","6","6","2","1","3","2","1") = "5"
    & skf21("5","6","6","2","1","3","3","1") = "5"
    & skf21("5","6","6","2","1","3","4","1") = "5"
    & skf21("5","6","6","2","1","3","5","1") = "5"
    & skf21("5","6","6","2","1","3","6","1") = "5"
    & skf21("5","6","6","2","1","3","7","1") = "6"
    & skf21("5","6","6","2","1","4","1","1") = "5"
    & skf21("5","6","6","2","1","4","2","1") = "5"
    & skf21("5","6","6","2","1","4","3","1") = "5"
    & skf21("5","6","6","2","1","4","4","1") = "5"
    & skf21("5","6","6","2","1","4","5","1") = "5"
    & skf21("5","6","6","2","1","4","6","1") = "5"
    & skf21("5","6","6","2","1","4","7","1") = "6"
    & skf21("5","6","6","2","1","5","1","1") = "5"
    & skf21("5","6","6","2","1","5","2","1") = "5"
    & skf21("5","6","6","2","1","5","3","1") = "5"
    & skf21("5","6","6","2","1","5","4","1") = "5"
    & skf21("5","6","6","2","1","5","5","1") = "5"
    & skf21("5","6","6","2","1","5","6","1") = "5"
    & skf21("5","6","6","2","1","5","7","1") = "6"
    & skf21("5","6","6","2","1","6","1","1") = "5"
    & skf21("5","6","6","2","1","6","2","1") = "5"
    & skf21("5","6","6","2","1","6","3","1") = "5"
    & skf21("5","6","6","2","1","6","4","1") = "5"
    & skf21("5","6","6","2","1","6","5","1") = "5"
    & skf21("5","6","6","2","1","6","6","1") = "5"
    & skf21("5","6","6","2","1","6","7","1") = "6"
    & skf21("5","6","6","2","1","7","1","1") = "6"
    & skf21("5","6","6","2","1","7","2","1") = "6"
    & skf21("5","6","6","2","1","7","3","1") = "6"
    & skf21("5","6","6","2","1","7","4","1") = "6"
    & skf21("5","6","6","2","1","7","5","1") = "6"
    & skf21("5","6","6","2","1","7","6","1") = "6"
    & skf21("5","6","6","2","1","7","7","1") = "6"
    & skf21("5","6","6","2","2","1","1","1") = "5"
    & skf21("5","6","6","2","2","1","2","1") = "5"
    & skf21("5","6","6","2","2","1","3","1") = "5"
    & skf21("5","6","6","2","2","1","4","1") = "5"
    & skf21("5","6","6","2","2","1","5","1") = "5"
    & skf21("5","6","6","2","2","1","6","1") = "5"
    & skf21("5","6","6","2","2","1","7","1") = "6"
    & skf21("5","6","6","2","2","2","1","1") = "5"
    & skf21("5","6","6","2","2","2","2","1") = "5"
    & skf21("5","6","6","2","2","2","3","1") = "5"
    & skf21("5","6","6","2","2","2","4","1") = "5"
    & skf21("5","6","6","2","2","2","5","1") = "5"
    & skf21("5","6","6","2","2","2","6","1") = "5"
    & skf21("5","6","6","2","2","2","7","1") = "6"
    & skf21("5","6","6","2","2","3","1","1") = "5"
    & skf21("5","6","6","2","2","3","2","1") = "5"
    & skf21("5","6","6","2","2","3","3","1") = "5"
    & skf21("5","6","6","2","2","3","4","1") = "5"
    & skf21("5","6","6","2","2","3","5","1") = "5"
    & skf21("5","6","6","2","2","3","6","1") = "5"
    & skf21("5","6","6","2","2","3","7","1") = "6"
    & skf21("5","6","6","2","2","4","1","1") = "5"
    & skf21("5","6","6","2","2","4","2","1") = "5"
    & skf21("5","6","6","2","2","4","3","1") = "5"
    & skf21("5","6","6","2","2","4","4","1") = "5"
    & skf21("5","6","6","2","2","4","5","1") = "5"
    & skf21("5","6","6","2","2","4","6","1") = "5"
    & skf21("5","6","6","2","2","4","7","1") = "6"
    & skf21("5","6","6","2","2","5","1","1") = "5"
    & skf21("5","6","6","2","2","5","2","1") = "5"
    & skf21("5","6","6","2","2","5","3","1") = "5"
    & skf21("5","6","6","2","2","5","4","1") = "5"
    & skf21("5","6","6","2","2","5","5","1") = "5"
    & skf21("5","6","6","2","2","5","6","1") = "5"
    & skf21("5","6","6","2","2","5","7","1") = "6"
    & skf21("5","6","6","2","2","6","1","1") = "5"
    & skf21("5","6","6","2","2","6","2","1") = "5"
    & skf21("5","6","6","2","2","6","3","1") = "5"
    & skf21("5","6","6","2","2","6","4","1") = "5"
    & skf21("5","6","6","2","2","6","5","1") = "5"
    & skf21("5","6","6","2","2","6","6","1") = "5"
    & skf21("5","6","6","2","2","6","7","1") = "6"
    & skf21("5","6","6","2","2","7","1","1") = "6"
    & skf21("5","6","6","2","2","7","2","1") = "6"
    & skf21("5","6","6","2","2","7","3","1") = "6"
    & skf21("5","6","6","2","2","7","4","1") = "6"
    & skf21("5","6","6","2","2","7","5","1") = "6"
    & skf21("5","6","6","2","2","7","6","1") = "6"
    & skf21("5","6","6","2","2","7","7","1") = "6"
    & skf21("5","6","6","2","3","1","1","1") = "5"
    & skf21("5","6","6","2","3","1","2","1") = "5"
    & skf21("5","6","6","2","3","1","3","1") = "5"
    & skf21("5","6","6","2","3","1","4","1") = "5"
    & skf21("5","6","6","2","3","1","5","1") = "5"
    & skf21("5","6","6","2","3","1","6","1") = "5"
    & skf21("5","6","6","2","3","1","7","1") = "6"
    & skf21("5","6","6","2","3","2","1","1") = "5"
    & skf21("5","6","6","2","3","2","2","1") = "5"
    & skf21("5","6","6","2","3","2","3","1") = "5"
    & skf21("5","6","6","2","3","2","4","1") = "5"
    & skf21("5","6","6","2","3","2","5","1") = "5"
    & skf21("5","6","6","2","3","2","6","1") = "5"
    & skf21("5","6","6","2","3","2","7","1") = "6"
    & skf21("5","6","6","2","3","3","1","1") = "5"
    & skf21("5","6","6","2","3","3","2","1") = "5"
    & skf21("5","6","6","2","3","3","3","1") = "5"
    & skf21("5","6","6","2","3","3","4","1") = "5"
    & skf21("5","6","6","2","3","3","5","1") = "5"
    & skf21("5","6","6","2","3","3","6","1") = "5"
    & skf21("5","6","6","2","3","3","7","1") = "6"
    & skf21("5","6","6","2","3","4","1","1") = "5"
    & skf21("5","6","6","2","3","4","2","1") = "5"
    & skf21("5","6","6","2","3","4","3","1") = "5"
    & skf21("5","6","6","2","3","4","4","1") = "5"
    & skf21("5","6","6","2","3","4","5","1") = "5"
    & skf21("5","6","6","2","3","4","6","1") = "5"
    & skf21("5","6","6","2","3","4","7","1") = "6"
    & skf21("5","6","6","2","3","5","1","1") = "5"
    & skf21("5","6","6","2","3","5","2","1") = "5"
    & skf21("5","6","6","2","3","5","3","1") = "5"
    & skf21("5","6","6","2","3","5","4","1") = "5"
    & skf21("5","6","6","2","3","5","5","1") = "5"
    & skf21("5","6","6","2","3","5","6","1") = "5"
    & skf21("5","6","6","2","3","5","7","1") = "6"
    & skf21("5","6","6","2","3","6","1","1") = "5"
    & skf21("5","6","6","2","3","6","2","1") = "5"
    & skf21("5","6","6","2","3","6","3","1") = "5"
    & skf21("5","6","6","2","3","6","4","1") = "5"
    & skf21("5","6","6","2","3","6","5","1") = "5"
    & skf21("5","6","6","2","3","6","6","1") = "5"
    & skf21("5","6","6","2","3","6","7","1") = "6"
    & skf21("5","6","6","2","3","7","1","1") = "6"
    & skf21("5","6","6","2","3","7","2","1") = "6"
    & skf21("5","6","6","2","3","7","3","1") = "6"
    & skf21("5","6","6","2","3","7","4","1") = "6"
    & skf21("5","6","6","2","3","7","5","1") = "6"
    & skf21("5","6","6","2","3","7","6","1") = "6"
    & skf21("5","6","6","2","3","7","7","1") = "6"
    & skf21("5","6","6","2","4","1","1","1") = "5"
    & skf21("5","6","6","2","4","1","2","1") = "5"
    & skf21("5","6","6","2","4","1","3","1") = "5"
    & skf21("5","6","6","2","4","1","4","1") = "5"
    & skf21("5","6","6","2","4","1","5","1") = "5"
    & skf21("5","6","6","2","4","1","6","1") = "5"
    & skf21("5","6","6","2","4","1","7","1") = "6"
    & skf21("5","6","6","2","4","2","1","1") = "5"
    & skf21("5","6","6","2","4","2","2","1") = "5"
    & skf21("5","6","6","2","4","2","3","1") = "5"
    & skf21("5","6","6","2","4","2","4","1") = "5"
    & skf21("5","6","6","2","4","2","5","1") = "5"
    & skf21("5","6","6","2","4","2","6","1") = "5"
    & skf21("5","6","6","2","4","2","7","1") = "6"
    & skf21("5","6","6","2","4","3","1","1") = "5"
    & skf21("5","6","6","2","4","3","2","1") = "5"
    & skf21("5","6","6","2","4","3","3","1") = "5"
    & skf21("5","6","6","2","4","3","4","1") = "5"
    & skf21("5","6","6","2","4","3","5","1") = "5"
    & skf21("5","6","6","2","4","3","6","1") = "5"
    & skf21("5","6","6","2","4","3","7","1") = "6"
    & skf21("5","6","6","2","4","4","1","1") = "5"
    & skf21("5","6","6","2","4","4","2","1") = "5"
    & skf21("5","6","6","2","4","4","3","1") = "5"
    & skf21("5","6","6","2","4","4","4","1") = "5"
    & skf21("5","6","6","2","4","4","5","1") = "5"
    & skf21("5","6","6","2","4","4","6","1") = "5"
    & skf21("5","6","6","2","4","4","7","1") = "6"
    & skf21("5","6","6","2","4","5","1","1") = "5"
    & skf21("5","6","6","2","4","5","2","1") = "5"
    & skf21("5","6","6","2","4","5","3","1") = "5"
    & skf21("5","6","6","2","4","5","4","1") = "5"
    & skf21("5","6","6","2","4","5","5","1") = "5"
    & skf21("5","6","6","2","4","5","6","1") = "5"
    & skf21("5","6","6","2","4","5","7","1") = "6"
    & skf21("5","6","6","2","4","6","1","1") = "5"
    & skf21("5","6","6","2","4","6","2","1") = "5"
    & skf21("5","6","6","2","4","6","3","1") = "5"
    & skf21("5","6","6","2","4","6","4","1") = "5"
    & skf21("5","6","6","2","4","6","5","1") = "5"
    & skf21("5","6","6","2","4","6","6","1") = "5"
    & skf21("5","6","6","2","4","6","7","1") = "6"
    & skf21("5","6","6","2","4","7","1","1") = "6"
    & skf21("5","6","6","2","4","7","2","1") = "6"
    & skf21("5","6","6","2","4","7","3","1") = "6"
    & skf21("5","6","6","2","4","7","4","1") = "6"
    & skf21("5","6","6","2","4","7","5","1") = "6"
    & skf21("5","6","6","2","4","7","6","1") = "6"
    & skf21("5","6","6","2","4","7","7","1") = "6"
    & skf21("5","6","6","2","5","1","1","1") = "5"
    & skf21("5","6","6","2","5","1","2","1") = "5"
    & skf21("5","6","6","2","5","1","3","1") = "5"
    & skf21("5","6","6","2","5","1","4","1") = "5"
    & skf21("5","6","6","2","5","1","5","1") = "5"
    & skf21("5","6","6","2","5","1","6","1") = "5"
    & skf21("5","6","6","2","5","1","7","1") = "6"
    & skf21("5","6","6","2","5","2","1","1") = "5"
    & skf21("5","6","6","2","5","2","2","1") = "5"
    & skf21("5","6","6","2","5","2","3","1") = "5"
    & skf21("5","6","6","2","5","2","4","1") = "5"
    & skf21("5","6","6","2","5","2","5","1") = "5"
    & skf21("5","6","6","2","5","2","6","1") = "5"
    & skf21("5","6","6","2","5","2","7","1") = "6"
    & skf21("5","6","6","2","5","3","1","1") = "5"
    & skf21("5","6","6","2","5","3","2","1") = "5"
    & skf21("5","6","6","2","5","3","3","1") = "5"
    & skf21("5","6","6","2","5","3","4","1") = "5"
    & skf21("5","6","6","2","5","3","5","1") = "5"
    & skf21("5","6","6","2","5","3","6","1") = "5"
    & skf21("5","6","6","2","5","3","7","1") = "6"
    & skf21("5","6","6","2","5","4","1","1") = "5"
    & skf21("5","6","6","2","5","4","2","1") = "5"
    & skf21("5","6","6","2","5","4","3","1") = "5"
    & skf21("5","6","6","2","5","4","4","1") = "5"
    & skf21("5","6","6","2","5","4","5","1") = "5"
    & skf21("5","6","6","2","5","4","6","1") = "5"
    & skf21("5","6","6","2","5","4","7","1") = "6"
    & skf21("5","6","6","2","5","5","1","1") = "5"
    & skf21("5","6","6","2","5","5","2","1") = "5"
    & skf21("5","6","6","2","5","5","3","1") = "5"
    & skf21("5","6","6","2","5","5","4","1") = "5"
    & skf21("5","6","6","2","5","5","5","1") = "5"
    & skf21("5","6","6","2","5","5","6","1") = "5"
    & skf21("5","6","6","2","5","5","7","1") = "6"
    & skf21("5","6","6","2","5","6","1","1") = "5"
    & skf21("5","6","6","2","5","6","2","1") = "5"
    & skf21("5","6","6","2","5","6","3","1") = "5"
    & skf21("5","6","6","2","5","6","4","1") = "5"
    & skf21("5","6","6","2","5","6","5","1") = "5"
    & skf21("5","6","6","2","5","6","6","1") = "5"
    & skf21("5","6","6","2","5","6","7","1") = "6"
    & skf21("5","6","6","2","5","7","1","1") = "6"
    & skf21("5","6","6","2","5","7","2","1") = "6"
    & skf21("5","6","6","2","5","7","3","1") = "6"
    & skf21("5","6","6","2","5","7","4","1") = "6"
    & skf21("5","6","6","2","5","7","5","1") = "6"
    & skf21("5","6","6","2","5","7","6","1") = "6"
    & skf21("5","6","6","2","5","7","7","1") = "6"
    & skf21("5","6","6","2","6","1","1","1") = "5"
    & skf21("5","6","6","2","6","1","2","1") = "5"
    & skf21("5","6","6","2","6","1","3","1") = "5"
    & skf21("5","6","6","2","6","1","4","1") = "5"
    & skf21("5","6","6","2","6","1","5","1") = "5"
    & skf21("5","6","6","2","6","1","6","1") = "5"
    & skf21("5","6","6","2","6","1","7","1") = "6"
    & skf21("5","6","6","2","6","2","1","1") = "5"
    & skf21("5","6","6","2","6","2","2","1") = "5"
    & skf21("5","6","6","2","6","2","3","1") = "5"
    & skf21("5","6","6","2","6","2","4","1") = "5"
    & skf21("5","6","6","2","6","2","5","1") = "5"
    & skf21("5","6","6","2","6","2","6","1") = "5"
    & skf21("5","6","6","2","6","2","7","1") = "6"
    & skf21("5","6","6","2","6","3","1","1") = "5"
    & skf21("5","6","6","2","6","3","2","1") = "5"
    & skf21("5","6","6","2","6","3","3","1") = "5"
    & skf21("5","6","6","2","6","3","4","1") = "5"
    & skf21("5","6","6","2","6","3","5","1") = "5"
    & skf21("5","6","6","2","6","3","6","1") = "5"
    & skf21("5","6","6","2","6","3","7","1") = "6"
    & skf21("5","6","6","2","6","4","1","1") = "5"
    & skf21("5","6","6","2","6","4","2","1") = "5"
    & skf21("5","6","6","2","6","4","3","1") = "5"
    & skf21("5","6","6","2","6","4","4","1") = "5"
    & skf21("5","6","6","2","6","4","5","1") = "5"
    & skf21("5","6","6","2","6","4","6","1") = "5"
    & skf21("5","6","6","2","6","4","7","1") = "6"
    & skf21("5","6","6","2","6","5","1","1") = "5"
    & skf21("5","6","6","2","6","5","2","1") = "5"
    & skf21("5","6","6","2","6","5","3","1") = "5"
    & skf21("5","6","6","2","6","5","4","1") = "5"
    & skf21("5","6","6","2","6","5","5","1") = "5"
    & skf21("5","6","6","2","6","5","6","1") = "5"
    & skf21("5","6","6","2","6","5","7","1") = "6"
    & skf21("5","6","6","2","6","6","1","1") = "5"
    & skf21("5","6","6","2","6","6","2","1") = "5"
    & skf21("5","6","6","2","6","6","3","1") = "5"
    & skf21("5","6","6","2","6","6","4","1") = "5"
    & skf21("5","6","6","2","6","6","5","1") = "5"
    & skf21("5","6","6","2","6","6","6","1") = "5"
    & skf21("5","6","6","2","6","6","7","1") = "6"
    & skf21("5","6","6","2","6","7","1","1") = "6"
    & skf21("5","6","6","2","6","7","2","1") = "6"
    & skf21("5","6","6","2","6","7","3","1") = "6"
    & skf21("5","6","6","2","6","7","4","1") = "6"
    & skf21("5","6","6","2","6","7","5","1") = "6"
    & skf21("5","6","6","2","6","7","6","1") = "6"
    & skf21("5","6","6","2","6","7","7","1") = "6"
    & skf21("5","6","6","2","7","1","1","1") = "6"
    & skf21("5","6","6","2","7","1","2","1") = "6"
    & skf21("5","6","6","2","7","1","3","1") = "6"
    & skf21("5","6","6","2","7","1","4","1") = "6"
    & skf21("5","6","6","2","7","1","5","1") = "6"
    & skf21("5","6","6","2","7","1","6","1") = "6"
    & skf21("5","6","6","2","7","1","7","1") = "6"
    & skf21("5","6","6","2","7","2","1","1") = "6"
    & skf21("5","6","6","2","7","2","2","1") = "6"
    & skf21("5","6","6","2","7","2","3","1") = "6"
    & skf21("5","6","6","2","7","2","4","1") = "6"
    & skf21("5","6","6","2","7","2","5","1") = "6"
    & skf21("5","6","6","2","7","2","6","1") = "6"
    & skf21("5","6","6","2","7","2","7","1") = "6"
    & skf21("5","6","6","2","7","3","1","1") = "6"
    & skf21("5","6","6","2","7","3","2","1") = "6"
    & skf21("5","6","6","2","7","3","3","1") = "6"
    & skf21("5","6","6","2","7","3","4","1") = "6"
    & skf21("5","6","6","2","7","3","5","1") = "6"
    & skf21("5","6","6","2","7","3","6","1") = "6"
    & skf21("5","6","6","2","7","3","7","1") = "6"
    & skf21("5","6","6","2","7","4","1","1") = "6"
    & skf21("5","6","6","2","7","4","2","1") = "6"
    & skf21("5","6","6","2","7","4","3","1") = "6"
    & skf21("5","6","6","2","7","4","4","1") = "6"
    & skf21("5","6","6","2","7","4","5","1") = "6"
    & skf21("5","6","6","2","7","4","6","1") = "6"
    & skf21("5","6","6","2","7","4","7","1") = "6"
    & skf21("5","6","6","2","7","5","1","1") = "6"
    & skf21("5","6","6","2","7","5","2","1") = "6"
    & skf21("5","6","6","2","7","5","3","1") = "6"
    & skf21("5","6","6","2","7","5","4","1") = "6"
    & skf21("5","6","6","2","7","5","5","1") = "6"
    & skf21("5","6","6","2","7","5","6","1") = "6"
    & skf21("5","6","6","2","7","5","7","1") = "6"
    & skf21("5","6","6","2","7","6","1","1") = "6"
    & skf21("5","6","6","2","7","6","2","1") = "6"
    & skf21("5","6","6","2","7","6","3","1") = "6"
    & skf21("5","6","6","2","7","6","4","1") = "6"
    & skf21("5","6","6","2","7","6","5","1") = "6"
    & skf21("5","6","6","2","7","6","6","1") = "6"
    & skf21("5","6","6","2","7","6","7","1") = "6"
    & skf21("5","6","6","2","7","7","1","1") = "6"
    & skf21("5","6","6","2","7","7","2","1") = "6"
    & skf21("5","6","6","2","7","7","3","1") = "6"
    & skf21("5","6","6","2","7","7","4","1") = "6"
    & skf21("5","6","6","2","7","7","5","1") = "6"
    & skf21("5","6","6","2","7","7","6","1") = "6"
    & skf21("5","6","6","2","7","7","7","1") = "6"
    & skf21("5","6","6","3","1","1","1","1") = "5"
    & skf21("5","6","6","3","1","1","2","1") = "5"
    & skf21("5","6","6","3","1","1","3","1") = "5"
    & skf21("5","6","6","3","1","1","4","1") = "5"
    & skf21("5","6","6","3","1","1","5","1") = "5"
    & skf21("5","6","6","3","1","1","6","1") = "5"
    & skf21("5","6","6","3","1","1","7","1") = "6"
    & skf21("5","6","6","3","1","2","1","1") = "5"
    & skf21("5","6","6","3","1","2","2","1") = "5"
    & skf21("5","6","6","3","1","2","3","1") = "5"
    & skf21("5","6","6","3","1","2","4","1") = "5"
    & skf21("5","6","6","3","1","2","5","1") = "5"
    & skf21("5","6","6","3","1","2","6","1") = "5"
    & skf21("5","6","6","3","1","2","7","1") = "6"
    & skf21("5","6","6","3","1","3","1","1") = "5"
    & skf21("5","6","6","3","1","3","2","1") = "5"
    & skf21("5","6","6","3","1","3","3","1") = "5"
    & skf21("5","6","6","3","1","3","4","1") = "5"
    & skf21("5","6","6","3","1","3","5","1") = "5"
    & skf21("5","6","6","3","1","3","6","1") = "5"
    & skf21("5","6","6","3","1","3","7","1") = "6"
    & skf21("5","6","6","3","1","4","1","1") = "5"
    & skf21("5","6","6","3","1","4","2","1") = "5"
    & skf21("5","6","6","3","1","4","3","1") = "5"
    & skf21("5","6","6","3","1","4","4","1") = "5"
    & skf21("5","6","6","3","1","4","5","1") = "5"
    & skf21("5","6","6","3","1","4","6","1") = "5"
    & skf21("5","6","6","3","1","4","7","1") = "6"
    & skf21("5","6","6","3","1","5","1","1") = "5"
    & skf21("5","6","6","3","1","5","2","1") = "5"
    & skf21("5","6","6","3","1","5","3","1") = "5"
    & skf21("5","6","6","3","1","5","4","1") = "5"
    & skf21("5","6","6","3","1","5","5","1") = "5"
    & skf21("5","6","6","3","1","5","6","1") = "5"
    & skf21("5","6","6","3","1","5","7","1") = "6"
    & skf21("5","6","6","3","1","6","1","1") = "5"
    & skf21("5","6","6","3","1","6","2","1") = "5"
    & skf21("5","6","6","3","1","6","3","1") = "5"
    & skf21("5","6","6","3","1","6","4","1") = "5"
    & skf21("5","6","6","3","1","6","5","1") = "5"
    & skf21("5","6","6","3","1","6","6","1") = "5"
    & skf21("5","6","6","3","1","6","7","1") = "6"
    & skf21("5","6","6","3","1","7","1","1") = "6"
    & skf21("5","6","6","3","1","7","2","1") = "6"
    & skf21("5","6","6","3","1","7","3","1") = "6"
    & skf21("5","6","6","3","1","7","4","1") = "6"
    & skf21("5","6","6","3","1","7","5","1") = "6"
    & skf21("5","6","6","3","1","7","6","1") = "6"
    & skf21("5","6","6","3","1","7","7","1") = "6"
    & skf21("5","6","6","3","2","1","1","1") = "5"
    & skf21("5","6","6","3","2","1","2","1") = "5"
    & skf21("5","6","6","3","2","1","3","1") = "5"
    & skf21("5","6","6","3","2","1","4","1") = "5"
    & skf21("5","6","6","3","2","1","5","1") = "5"
    & skf21("5","6","6","3","2","1","6","1") = "5"
    & skf21("5","6","6","3","2","1","7","1") = "6"
    & skf21("5","6","6","3","2","2","1","1") = "5"
    & skf21("5","6","6","3","2","2","2","1") = "5"
    & skf21("5","6","6","3","2","2","3","1") = "5"
    & skf21("5","6","6","3","2","2","4","1") = "5"
    & skf21("5","6","6","3","2","2","5","1") = "5"
    & skf21("5","6","6","3","2","2","6","1") = "5"
    & skf21("5","6","6","3","2","2","7","1") = "6"
    & skf21("5","6","6","3","2","3","1","1") = "5"
    & skf21("5","6","6","3","2","3","2","1") = "5"
    & skf21("5","6","6","3","2","3","3","1") = "5"
    & skf21("5","6","6","3","2","3","4","1") = "5"
    & skf21("5","6","6","3","2","3","5","1") = "5"
    & skf21("5","6","6","3","2","3","6","1") = "5"
    & skf21("5","6","6","3","2","3","7","1") = "6"
    & skf21("5","6","6","3","2","4","1","1") = "5"
    & skf21("5","6","6","3","2","4","2","1") = "5"
    & skf21("5","6","6","3","2","4","3","1") = "5"
    & skf21("5","6","6","3","2","4","4","1") = "5"
    & skf21("5","6","6","3","2","4","5","1") = "5"
    & skf21("5","6","6","3","2","4","6","1") = "5"
    & skf21("5","6","6","3","2","4","7","1") = "6"
    & skf21("5","6","6","3","2","5","1","1") = "5"
    & skf21("5","6","6","3","2","5","2","1") = "5"
    & skf21("5","6","6","3","2","5","3","1") = "5"
    & skf21("5","6","6","3","2","5","4","1") = "5"
    & skf21("5","6","6","3","2","5","5","1") = "5"
    & skf21("5","6","6","3","2","5","6","1") = "5"
    & skf21("5","6","6","3","2","5","7","1") = "6"
    & skf21("5","6","6","3","2","6","1","1") = "5"
    & skf21("5","6","6","3","2","6","2","1") = "5"
    & skf21("5","6","6","3","2","6","3","1") = "5"
    & skf21("5","6","6","3","2","6","4","1") = "5"
    & skf21("5","6","6","3","2","6","5","1") = "5"
    & skf21("5","6","6","3","2","6","6","1") = "5"
    & skf21("5","6","6","3","2","6","7","1") = "6"
    & skf21("5","6","6","3","2","7","1","1") = "6"
    & skf21("5","6","6","3","2","7","2","1") = "6"
    & skf21("5","6","6","3","2","7","3","1") = "6"
    & skf21("5","6","6","3","2","7","4","1") = "6"
    & skf21("5","6","6","3","2","7","5","1") = "6"
    & skf21("5","6","6","3","2","7","6","1") = "6"
    & skf21("5","6","6","3","2","7","7","1") = "6"
    & skf21("5","6","6","3","3","1","1","1") = "5"
    & skf21("5","6","6","3","3","1","2","1") = "5"
    & skf21("5","6","6","3","3","1","3","1") = "5"
    & skf21("5","6","6","3","3","1","4","1") = "5"
    & skf21("5","6","6","3","3","1","5","1") = "5"
    & skf21("5","6","6","3","3","1","6","1") = "5"
    & skf21("5","6","6","3","3","1","7","1") = "6"
    & skf21("5","6","6","3","3","2","1","1") = "5"
    & skf21("5","6","6","3","3","2","2","1") = "5"
    & skf21("5","6","6","3","3","2","3","1") = "5"
    & skf21("5","6","6","3","3","2","4","1") = "5"
    & skf21("5","6","6","3","3","2","5","1") = "5"
    & skf21("5","6","6","3","3","2","6","1") = "5"
    & skf21("5","6","6","3","3","2","7","1") = "6"
    & skf21("5","6","6","3","3","3","1","1") = "5"
    & skf21("5","6","6","3","3","3","2","1") = "5"
    & skf21("5","6","6","3","3","3","3","1") = "5"
    & skf21("5","6","6","3","3","3","4","1") = "5"
    & skf21("5","6","6","3","3","3","5","1") = "5"
    & skf21("5","6","6","3","3","3","6","1") = "5"
    & skf21("5","6","6","3","3","3","7","1") = "6"
    & skf21("5","6","6","3","3","4","1","1") = "5"
    & skf21("5","6","6","3","3","4","2","1") = "5"
    & skf21("5","6","6","3","3","4","3","1") = "5"
    & skf21("5","6","6","3","3","4","4","1") = "5"
    & skf21("5","6","6","3","3","4","5","1") = "5"
    & skf21("5","6","6","3","3","4","6","1") = "5"
    & skf21("5","6","6","3","3","4","7","1") = "6"
    & skf21("5","6","6","3","3","5","1","1") = "5"
    & skf21("5","6","6","3","3","5","2","1") = "5"
    & skf21("5","6","6","3","3","5","3","1") = "5"
    & skf21("5","6","6","3","3","5","4","1") = "5"
    & skf21("5","6","6","3","3","5","5","1") = "5"
    & skf21("5","6","6","3","3","5","6","1") = "5"
    & skf21("5","6","6","3","3","5","7","1") = "6"
    & skf21("5","6","6","3","3","6","1","1") = "5"
    & skf21("5","6","6","3","3","6","2","1") = "5"
    & skf21("5","6","6","3","3","6","3","1") = "5"
    & skf21("5","6","6","3","3","6","4","1") = "5"
    & skf21("5","6","6","3","3","6","5","1") = "5"
    & skf21("5","6","6","3","3","6","6","1") = "5"
    & skf21("5","6","6","3","3","6","7","1") = "6"
    & skf21("5","6","6","3","3","7","1","1") = "6"
    & skf21("5","6","6","3","3","7","2","1") = "6"
    & skf21("5","6","6","3","3","7","3","1") = "6"
    & skf21("5","6","6","3","3","7","4","1") = "6"
    & skf21("5","6","6","3","3","7","5","1") = "6"
    & skf21("5","6","6","3","3","7","6","1") = "6"
    & skf21("5","6","6","3","3","7","7","1") = "6"
    & skf21("5","6","6","3","4","1","1","1") = "5"
    & skf21("5","6","6","3","4","1","2","1") = "5"
    & skf21("5","6","6","3","4","1","3","1") = "5"
    & skf21("5","6","6","3","4","1","4","1") = "5"
    & skf21("5","6","6","3","4","1","5","1") = "5"
    & skf21("5","6","6","3","4","1","6","1") = "5"
    & skf21("5","6","6","3","4","1","7","1") = "6"
    & skf21("5","6","6","3","4","2","1","1") = "5"
    & skf21("5","6","6","3","4","2","2","1") = "5"
    & skf21("5","6","6","3","4","2","3","1") = "5"
    & skf21("5","6","6","3","4","2","4","1") = "5"
    & skf21("5","6","6","3","4","2","5","1") = "5"
    & skf21("5","6","6","3","4","2","6","1") = "5"
    & skf21("5","6","6","3","4","2","7","1") = "6"
    & skf21("5","6","6","3","4","3","1","1") = "5"
    & skf21("5","6","6","3","4","3","2","1") = "5"
    & skf21("5","6","6","3","4","3","3","1") = "5"
    & skf21("5","6","6","3","4","3","4","1") = "5"
    & skf21("5","6","6","3","4","3","5","1") = "5"
    & skf21("5","6","6","3","4","3","6","1") = "5"
    & skf21("5","6","6","3","4","3","7","1") = "6"
    & skf21("5","6","6","3","4","4","1","1") = "5"
    & skf21("5","6","6","3","4","4","2","1") = "5"
    & skf21("5","6","6","3","4","4","3","1") = "5"
    & skf21("5","6","6","3","4","4","4","1") = "5"
    & skf21("5","6","6","3","4","4","5","1") = "5"
    & skf21("5","6","6","3","4","4","6","1") = "5"
    & skf21("5","6","6","3","4","4","7","1") = "6"
    & skf21("5","6","6","3","4","5","1","1") = "5"
    & skf21("5","6","6","3","4","5","2","1") = "5"
    & skf21("5","6","6","3","4","5","3","1") = "5"
    & skf21("5","6","6","3","4","5","4","1") = "5"
    & skf21("5","6","6","3","4","5","5","1") = "5"
    & skf21("5","6","6","3","4","5","6","1") = "5"
    & skf21("5","6","6","3","4","5","7","1") = "6"
    & skf21("5","6","6","3","4","6","1","1") = "5"
    & skf21("5","6","6","3","4","6","2","1") = "5"
    & skf21("5","6","6","3","4","6","3","1") = "5"
    & skf21("5","6","6","3","4","6","4","1") = "5"
    & skf21("5","6","6","3","4","6","5","1") = "5"
    & skf21("5","6","6","3","4","6","6","1") = "5"
    & skf21("5","6","6","3","4","6","7","1") = "6"
    & skf21("5","6","6","3","4","7","1","1") = "6"
    & skf21("5","6","6","3","4","7","2","1") = "6"
    & skf21("5","6","6","3","4","7","3","1") = "6"
    & skf21("5","6","6","3","4","7","4","1") = "6"
    & skf21("5","6","6","3","4","7","5","1") = "6"
    & skf21("5","6","6","3","4","7","6","1") = "6"
    & skf21("5","6","6","3","4","7","7","1") = "6"
    & skf21("5","6","6","3","5","1","1","1") = "5"
    & skf21("5","6","6","3","5","1","2","1") = "5"
    & skf21("5","6","6","3","5","1","3","1") = "5"
    & skf21("5","6","6","3","5","1","4","1") = "5"
    & skf21("5","6","6","3","5","1","5","1") = "5"
    & skf21("5","6","6","3","5","1","6","1") = "5"
    & skf21("5","6","6","3","5","1","7","1") = "6"
    & skf21("5","6","6","3","5","2","1","1") = "5"
    & skf21("5","6","6","3","5","2","2","1") = "5"
    & skf21("5","6","6","3","5","2","3","1") = "5"
    & skf21("5","6","6","3","5","2","4","1") = "5"
    & skf21("5","6","6","3","5","2","5","1") = "5"
    & skf21("5","6","6","3","5","2","6","1") = "5"
    & skf21("5","6","6","3","5","2","7","1") = "6"
    & skf21("5","6","6","3","5","3","1","1") = "5"
    & skf21("5","6","6","3","5","3","2","1") = "5"
    & skf21("5","6","6","3","5","3","3","1") = "5"
    & skf21("5","6","6","3","5","3","4","1") = "5"
    & skf21("5","6","6","3","5","3","5","1") = "5"
    & skf21("5","6","6","3","5","3","6","1") = "5"
    & skf21("5","6","6","3","5","3","7","1") = "6"
    & skf21("5","6","6","3","5","4","1","1") = "5"
    & skf21("5","6","6","3","5","4","2","1") = "5"
    & skf21("5","6","6","3","5","4","3","1") = "5"
    & skf21("5","6","6","3","5","4","4","1") = "5"
    & skf21("5","6","6","3","5","4","5","1") = "5"
    & skf21("5","6","6","3","5","4","6","1") = "5"
    & skf21("5","6","6","3","5","4","7","1") = "6"
    & skf21("5","6","6","3","5","5","1","1") = "5"
    & skf21("5","6","6","3","5","5","2","1") = "5"
    & skf21("5","6","6","3","5","5","3","1") = "5"
    & skf21("5","6","6","3","5","5","4","1") = "5"
    & skf21("5","6","6","3","5","5","5","1") = "5"
    & skf21("5","6","6","3","5","5","6","1") = "5"
    & skf21("5","6","6","3","5","5","7","1") = "6"
    & skf21("5","6","6","3","5","6","1","1") = "5"
    & skf21("5","6","6","3","5","6","2","1") = "5"
    & skf21("5","6","6","3","5","6","3","1") = "5"
    & skf21("5","6","6","3","5","6","4","1") = "5"
    & skf21("5","6","6","3","5","6","5","1") = "5"
    & skf21("5","6","6","3","5","6","6","1") = "5"
    & skf21("5","6","6","3","5","6","7","1") = "6"
    & skf21("5","6","6","3","5","7","1","1") = "6"
    & skf21("5","6","6","3","5","7","2","1") = "6"
    & skf21("5","6","6","3","5","7","3","1") = "6"
    & skf21("5","6","6","3","5","7","4","1") = "6"
    & skf21("5","6","6","3","5","7","5","1") = "6"
    & skf21("5","6","6","3","5","7","6","1") = "6"
    & skf21("5","6","6","3","5","7","7","1") = "6"
    & skf21("5","6","6","3","6","1","1","1") = "5"
    & skf21("5","6","6","3","6","1","2","1") = "5"
    & skf21("5","6","6","3","6","1","3","1") = "5"
    & skf21("5","6","6","3","6","1","4","1") = "5"
    & skf21("5","6","6","3","6","1","5","1") = "5"
    & skf21("5","6","6","3","6","1","6","1") = "5"
    & skf21("5","6","6","3","6","1","7","1") = "6"
    & skf21("5","6","6","3","6","2","1","1") = "5"
    & skf21("5","6","6","3","6","2","2","1") = "5"
    & skf21("5","6","6","3","6","2","3","1") = "5"
    & skf21("5","6","6","3","6","2","4","1") = "5"
    & skf21("5","6","6","3","6","2","5","1") = "5"
    & skf21("5","6","6","3","6","2","6","1") = "5"
    & skf21("5","6","6","3","6","2","7","1") = "6"
    & skf21("5","6","6","3","6","3","1","1") = "5"
    & skf21("5","6","6","3","6","3","2","1") = "5"
    & skf21("5","6","6","3","6","3","3","1") = "5"
    & skf21("5","6","6","3","6","3","4","1") = "5"
    & skf21("5","6","6","3","6","3","5","1") = "5"
    & skf21("5","6","6","3","6","3","6","1") = "5"
    & skf21("5","6","6","3","6","3","7","1") = "6"
    & skf21("5","6","6","3","6","4","1","1") = "5"
    & skf21("5","6","6","3","6","4","2","1") = "5"
    & skf21("5","6","6","3","6","4","3","1") = "5"
    & skf21("5","6","6","3","6","4","4","1") = "5"
    & skf21("5","6","6","3","6","4","5","1") = "5"
    & skf21("5","6","6","3","6","4","6","1") = "5"
    & skf21("5","6","6","3","6","4","7","1") = "6"
    & skf21("5","6","6","3","6","5","1","1") = "5"
    & skf21("5","6","6","3","6","5","2","1") = "5"
    & skf21("5","6","6","3","6","5","3","1") = "5"
    & skf21("5","6","6","3","6","5","4","1") = "5"
    & skf21("5","6","6","3","6","5","5","1") = "5"
    & skf21("5","6","6","3","6","5","6","1") = "5"
    & skf21("5","6","6","3","6","5","7","1") = "6"
    & skf21("5","6","6","3","6","6","1","1") = "5"
    & skf21("5","6","6","3","6","6","2","1") = "5"
    & skf21("5","6","6","3","6","6","3","1") = "5"
    & skf21("5","6","6","3","6","6","4","1") = "5"
    & skf21("5","6","6","3","6","6","5","1") = "5"
    & skf21("5","6","6","3","6","6","6","1") = "5"
    & skf21("5","6","6","3","6","6","7","1") = "6"
    & skf21("5","6","6","3","6","7","1","1") = "6"
    & skf21("5","6","6","3","6","7","2","1") = "6"
    & skf21("5","6","6","3","6","7","3","1") = "6"
    & skf21("5","6","6","3","6","7","4","1") = "6"
    & skf21("5","6","6","3","6","7","5","1") = "6"
    & skf21("5","6","6","3","6","7","6","1") = "6"
    & skf21("5","6","6","3","6","7","7","1") = "6"
    & skf21("5","6","6","3","7","1","1","1") = "6"
    & skf21("5","6","6","3","7","1","2","1") = "6"
    & skf21("5","6","6","3","7","1","3","1") = "6"
    & skf21("5","6","6","3","7","1","4","1") = "6"
    & skf21("5","6","6","3","7","1","5","1") = "6"
    & skf21("5","6","6","3","7","1","6","1") = "6"
    & skf21("5","6","6","3","7","1","7","1") = "6"
    & skf21("5","6","6","3","7","2","1","1") = "6"
    & skf21("5","6","6","3","7","2","2","1") = "6"
    & skf21("5","6","6","3","7","2","3","1") = "6"
    & skf21("5","6","6","3","7","2","4","1") = "6"
    & skf21("5","6","6","3","7","2","5","1") = "6"
    & skf21("5","6","6","3","7","2","6","1") = "6"
    & skf21("5","6","6","3","7","2","7","1") = "6"
    & skf21("5","6","6","3","7","3","1","1") = "6"
    & skf21("5","6","6","3","7","3","2","1") = "6"
    & skf21("5","6","6","3","7","3","3","1") = "6"
    & skf21("5","6","6","3","7","3","4","1") = "6"
    & skf21("5","6","6","3","7","3","5","1") = "6"
    & skf21("5","6","6","3","7","3","6","1") = "6"
    & skf21("5","6","6","3","7","3","7","1") = "6"
    & skf21("5","6","6","3","7","4","1","1") = "6"
    & skf21("5","6","6","3","7","4","2","1") = "6"
    & skf21("5","6","6","3","7","4","3","1") = "6"
    & skf21("5","6","6","3","7","4","4","1") = "6"
    & skf21("5","6","6","3","7","4","5","1") = "6"
    & skf21("5","6","6","3","7","4","6","1") = "6"
    & skf21("5","6","6","3","7","4","7","1") = "6"
    & skf21("5","6","6","3","7","5","1","1") = "6"
    & skf21("5","6","6","3","7","5","2","1") = "6"
    & skf21("5","6","6","3","7","5","3","1") = "6"
    & skf21("5","6","6","3","7","5","4","1") = "6"
    & skf21("5","6","6","3","7","5","5","1") = "6"
    & skf21("5","6","6","3","7","5","6","1") = "6"
    & skf21("5","6","6","3","7","5","7","1") = "6"
    & skf21("5","6","6","3","7","6","1","1") = "6"
    & skf21("5","6","6","3","7","6","2","1") = "6"
    & skf21("5","6","6","3","7","6","3","1") = "6"
    & skf21("5","6","6","3","7","6","4","1") = "6"
    & skf21("5","6","6","3","7","6","5","1") = "6"
    & skf21("5","6","6","3","7","6","6","1") = "6"
    & skf21("5","6","6","3","7","6","7","1") = "6"
    & skf21("5","6","6","3","7","7","1","1") = "6"
    & skf21("5","6","6","3","7","7","2","1") = "6"
    & skf21("5","6","6","3","7","7","3","1") = "6"
    & skf21("5","6","6","3","7","7","4","1") = "6"
    & skf21("5","6","6","3","7","7","5","1") = "6"
    & skf21("5","6","6","3","7","7","6","1") = "6"
    & skf21("5","6","6","3","7","7","7","1") = "6"
    & skf21("5","6","6","4","1","1","1","1") = "5"
    & skf21("5","6","6","4","1","1","2","1") = "5"
    & skf21("5","6","6","4","1","1","3","1") = "5"
    & skf21("5","6","6","4","1","1","4","1") = "5"
    & skf21("5","6","6","4","1","1","5","1") = "5"
    & skf21("5","6","6","4","1","1","6","1") = "5"
    & skf21("5","6","6","4","1","1","7","1") = "6"
    & skf21("5","6","6","4","1","2","1","1") = "5"
    & skf21("5","6","6","4","1","2","2","1") = "5"
    & skf21("5","6","6","4","1","2","3","1") = "5"
    & skf21("5","6","6","4","1","2","4","1") = "5"
    & skf21("5","6","6","4","1","2","5","1") = "5"
    & skf21("5","6","6","4","1","2","6","1") = "5"
    & skf21("5","6","6","4","1","2","7","1") = "6"
    & skf21("5","6","6","4","1","3","1","1") = "5"
    & skf21("5","6","6","4","1","3","2","1") = "5"
    & skf21("5","6","6","4","1","3","3","1") = "5"
    & skf21("5","6","6","4","1","3","4","1") = "5"
    & skf21("5","6","6","4","1","3","5","1") = "5"
    & skf21("5","6","6","4","1","3","6","1") = "5"
    & skf21("5","6","6","4","1","3","7","1") = "6"
    & skf21("5","6","6","4","1","4","1","1") = "5"
    & skf21("5","6","6","4","1","4","2","1") = "5"
    & skf21("5","6","6","4","1","4","3","1") = "5"
    & skf21("5","6","6","4","1","4","4","1") = "5"
    & skf21("5","6","6","4","1","4","5","1") = "5"
    & skf21("5","6","6","4","1","4","6","1") = "5"
    & skf21("5","6","6","4","1","4","7","1") = "6"
    & skf21("5","6","6","4","1","5","1","1") = "5"
    & skf21("5","6","6","4","1","5","2","1") = "5"
    & skf21("5","6","6","4","1","5","3","1") = "5"
    & skf21("5","6","6","4","1","5","4","1") = "5"
    & skf21("5","6","6","4","1","5","5","1") = "5"
    & skf21("5","6","6","4","1","5","6","1") = "5"
    & skf21("5","6","6","4","1","5","7","1") = "6"
    & skf21("5","6","6","4","1","6","1","1") = "5"
    & skf21("5","6","6","4","1","6","2","1") = "5"
    & skf21("5","6","6","4","1","6","3","1") = "5"
    & skf21("5","6","6","4","1","6","4","1") = "5"
    & skf21("5","6","6","4","1","6","5","1") = "5"
    & skf21("5","6","6","4","1","6","6","1") = "5"
    & skf21("5","6","6","4","1","6","7","1") = "6"
    & skf21("5","6","6","4","1","7","1","1") = "6"
    & skf21("5","6","6","4","1","7","2","1") = "6"
    & skf21("5","6","6","4","1","7","3","1") = "6"
    & skf21("5","6","6","4","1","7","4","1") = "6"
    & skf21("5","6","6","4","1","7","5","1") = "6"
    & skf21("5","6","6","4","1","7","6","1") = "6"
    & skf21("5","6","6","4","1","7","7","1") = "6"
    & skf21("5","6","6","4","2","1","1","1") = "5"
    & skf21("5","6","6","4","2","1","2","1") = "5"
    & skf21("5","6","6","4","2","1","3","1") = "5"
    & skf21("5","6","6","4","2","1","4","1") = "5"
    & skf21("5","6","6","4","2","1","5","1") = "5"
    & skf21("5","6","6","4","2","1","6","1") = "5"
    & skf21("5","6","6","4","2","1","7","1") = "6"
    & skf21("5","6","6","4","2","2","1","1") = "5"
    & skf21("5","6","6","4","2","2","2","1") = "5"
    & skf21("5","6","6","4","2","2","3","1") = "5"
    & skf21("5","6","6","4","2","2","4","1") = "5"
    & skf21("5","6","6","4","2","2","5","1") = "5"
    & skf21("5","6","6","4","2","2","6","1") = "5"
    & skf21("5","6","6","4","2","2","7","1") = "6"
    & skf21("5","6","6","4","2","3","1","1") = "5"
    & skf21("5","6","6","4","2","3","2","1") = "5"
    & skf21("5","6","6","4","2","3","3","1") = "5"
    & skf21("5","6","6","4","2","3","4","1") = "5"
    & skf21("5","6","6","4","2","3","5","1") = "5"
    & skf21("5","6","6","4","2","3","6","1") = "5"
    & skf21("5","6","6","4","2","3","7","1") = "6"
    & skf21("5","6","6","4","2","4","1","1") = "5"
    & skf21("5","6","6","4","2","4","2","1") = "5"
    & skf21("5","6","6","4","2","4","3","1") = "5"
    & skf21("5","6","6","4","2","4","4","1") = "5"
    & skf21("5","6","6","4","2","4","5","1") = "5"
    & skf21("5","6","6","4","2","4","6","1") = "5"
    & skf21("5","6","6","4","2","4","7","1") = "6"
    & skf21("5","6","6","4","2","5","1","1") = "5"
    & skf21("5","6","6","4","2","5","2","1") = "5"
    & skf21("5","6","6","4","2","5","3","1") = "5"
    & skf21("5","6","6","4","2","5","4","1") = "5"
    & skf21("5","6","6","4","2","5","5","1") = "5"
    & skf21("5","6","6","4","2","5","6","1") = "5"
    & skf21("5","6","6","4","2","5","7","1") = "6"
    & skf21("5","6","6","4","2","6","1","1") = "5"
    & skf21("5","6","6","4","2","6","2","1") = "5"
    & skf21("5","6","6","4","2","6","3","1") = "5"
    & skf21("5","6","6","4","2","6","4","1") = "5"
    & skf21("5","6","6","4","2","6","5","1") = "5"
    & skf21("5","6","6","4","2","6","6","1") = "5"
    & skf21("5","6","6","4","2","6","7","1") = "6"
    & skf21("5","6","6","4","2","7","1","1") = "6"
    & skf21("5","6","6","4","2","7","2","1") = "6"
    & skf21("5","6","6","4","2","7","3","1") = "6"
    & skf21("5","6","6","4","2","7","4","1") = "6"
    & skf21("5","6","6","4","2","7","5","1") = "6"
    & skf21("5","6","6","4","2","7","6","1") = "6"
    & skf21("5","6","6","4","2","7","7","1") = "6"
    & skf21("5","6","6","4","3","1","1","1") = "5"
    & skf21("5","6","6","4","3","1","2","1") = "5"
    & skf21("5","6","6","4","3","1","3","1") = "5"
    & skf21("5","6","6","4","3","1","4","1") = "5"
    & skf21("5","6","6","4","3","1","5","1") = "5"
    & skf21("5","6","6","4","3","1","6","1") = "5"
    & skf21("5","6","6","4","3","1","7","1") = "6"
    & skf21("5","6","6","4","3","2","1","1") = "5"
    & skf21("5","6","6","4","3","2","2","1") = "5"
    & skf21("5","6","6","4","3","2","3","1") = "5"
    & skf21("5","6","6","4","3","2","4","1") = "5"
    & skf21("5","6","6","4","3","2","5","1") = "5"
    & skf21("5","6","6","4","3","2","6","1") = "5"
    & skf21("5","6","6","4","3","2","7","1") = "6"
    & skf21("5","6","6","4","3","3","1","1") = "5"
    & skf21("5","6","6","4","3","3","2","1") = "5"
    & skf21("5","6","6","4","3","3","3","1") = "5"
    & skf21("5","6","6","4","3","3","4","1") = "5"
    & skf21("5","6","6","4","3","3","5","1") = "5"
    & skf21("5","6","6","4","3","3","6","1") = "5"
    & skf21("5","6","6","4","3","3","7","1") = "6"
    & skf21("5","6","6","4","3","4","1","1") = "5"
    & skf21("5","6","6","4","3","4","2","1") = "5"
    & skf21("5","6","6","4","3","4","3","1") = "5"
    & skf21("5","6","6","4","3","4","4","1") = "5"
    & skf21("5","6","6","4","3","4","5","1") = "5"
    & skf21("5","6","6","4","3","4","6","1") = "5"
    & skf21("5","6","6","4","3","4","7","1") = "6"
    & skf21("5","6","6","4","3","5","1","1") = "5"
    & skf21("5","6","6","4","3","5","2","1") = "5"
    & skf21("5","6","6","4","3","5","3","1") = "5"
    & skf21("5","6","6","4","3","5","4","1") = "5"
    & skf21("5","6","6","4","3","5","5","1") = "5"
    & skf21("5","6","6","4","3","5","6","1") = "5"
    & skf21("5","6","6","4","3","5","7","1") = "6"
    & skf21("5","6","6","4","3","6","1","1") = "5"
    & skf21("5","6","6","4","3","6","2","1") = "5"
    & skf21("5","6","6","4","3","6","3","1") = "5"
    & skf21("5","6","6","4","3","6","4","1") = "5"
    & skf21("5","6","6","4","3","6","5","1") = "5"
    & skf21("5","6","6","4","3","6","6","1") = "5"
    & skf21("5","6","6","4","3","6","7","1") = "6"
    & skf21("5","6","6","4","3","7","1","1") = "6"
    & skf21("5","6","6","4","3","7","2","1") = "6"
    & skf21("5","6","6","4","3","7","3","1") = "6"
    & skf21("5","6","6","4","3","7","4","1") = "6"
    & skf21("5","6","6","4","3","7","5","1") = "6"
    & skf21("5","6","6","4","3","7","6","1") = "6"
    & skf21("5","6","6","4","3","7","7","1") = "6"
    & skf21("5","6","6","4","4","1","1","1") = "5"
    & skf21("5","6","6","4","4","1","2","1") = "5"
    & skf21("5","6","6","4","4","1","3","1") = "5"
    & skf21("5","6","6","4","4","1","4","1") = "5"
    & skf21("5","6","6","4","4","1","5","1") = "5"
    & skf21("5","6","6","4","4","1","6","1") = "5"
    & skf21("5","6","6","4","4","1","7","1") = "6"
    & skf21("5","6","6","4","4","2","1","1") = "5"
    & skf21("5","6","6","4","4","2","2","1") = "5"
    & skf21("5","6","6","4","4","2","3","1") = "5"
    & skf21("5","6","6","4","4","2","4","1") = "5"
    & skf21("5","6","6","4","4","2","5","1") = "5"
    & skf21("5","6","6","4","4","2","6","1") = "5"
    & skf21("5","6","6","4","4","2","7","1") = "6"
    & skf21("5","6","6","4","4","3","1","1") = "5"
    & skf21("5","6","6","4","4","3","2","1") = "5"
    & skf21("5","6","6","4","4","3","3","1") = "5"
    & skf21("5","6","6","4","4","3","4","1") = "5"
    & skf21("5","6","6","4","4","3","5","1") = "5"
    & skf21("5","6","6","4","4","3","6","1") = "5"
    & skf21("5","6","6","4","4","3","7","1") = "6"
    & skf21("5","6","6","4","4","4","1","1") = "5"
    & skf21("5","6","6","4","4","4","2","1") = "5"
    & skf21("5","6","6","4","4","4","3","1") = "5"
    & skf21("5","6","6","4","4","4","4","1") = "5"
    & skf21("5","6","6","4","4","4","5","1") = "5"
    & skf21("5","6","6","4","4","4","6","1") = "5"
    & skf21("5","6","6","4","4","4","7","1") = "6"
    & skf21("5","6","6","4","4","5","1","1") = "5"
    & skf21("5","6","6","4","4","5","2","1") = "5"
    & skf21("5","6","6","4","4","5","3","1") = "5"
    & skf21("5","6","6","4","4","5","4","1") = "5"
    & skf21("5","6","6","4","4","5","5","1") = "5"
    & skf21("5","6","6","4","4","5","6","1") = "5"
    & skf21("5","6","6","4","4","5","7","1") = "6"
    & skf21("5","6","6","4","4","6","1","1") = "5"
    & skf21("5","6","6","4","4","6","2","1") = "5"
    & skf21("5","6","6","4","4","6","3","1") = "5"
    & skf21("5","6","6","4","4","6","4","1") = "5"
    & skf21("5","6","6","4","4","6","5","1") = "5"
    & skf21("5","6","6","4","4","6","6","1") = "5"
    & skf21("5","6","6","4","4","6","7","1") = "6"
    & skf21("5","6","6","4","4","7","1","1") = "6"
    & skf21("5","6","6","4","4","7","2","1") = "6"
    & skf21("5","6","6","4","4","7","3","1") = "6"
    & skf21("5","6","6","4","4","7","4","1") = "6"
    & skf21("5","6","6","4","4","7","5","1") = "6"
    & skf21("5","6","6","4","4","7","6","1") = "6"
    & skf21("5","6","6","4","4","7","7","1") = "6"
    & skf21("5","6","6","4","5","1","1","1") = "5"
    & skf21("5","6","6","4","5","1","2","1") = "5"
    & skf21("5","6","6","4","5","1","3","1") = "5"
    & skf21("5","6","6","4","5","1","4","1") = "5"
    & skf21("5","6","6","4","5","1","5","1") = "5"
    & skf21("5","6","6","4","5","1","6","1") = "5"
    & skf21("5","6","6","4","5","1","7","1") = "6"
    & skf21("5","6","6","4","5","2","1","1") = "5"
    & skf21("5","6","6","4","5","2","2","1") = "5"
    & skf21("5","6","6","4","5","2","3","1") = "5"
    & skf21("5","6","6","4","5","2","4","1") = "5"
    & skf21("5","6","6","4","5","2","5","1") = "5"
    & skf21("5","6","6","4","5","2","6","1") = "5"
    & skf21("5","6","6","4","5","2","7","1") = "6"
    & skf21("5","6","6","4","5","3","1","1") = "5"
    & skf21("5","6","6","4","5","3","2","1") = "5"
    & skf21("5","6","6","4","5","3","3","1") = "5"
    & skf21("5","6","6","4","5","3","4","1") = "5"
    & skf21("5","6","6","4","5","3","5","1") = "5"
    & skf21("5","6","6","4","5","3","6","1") = "5"
    & skf21("5","6","6","4","5","3","7","1") = "6"
    & skf21("5","6","6","4","5","4","1","1") = "5"
    & skf21("5","6","6","4","5","4","2","1") = "5"
    & skf21("5","6","6","4","5","4","3","1") = "5"
    & skf21("5","6","6","4","5","4","4","1") = "5"
    & skf21("5","6","6","4","5","4","5","1") = "5"
    & skf21("5","6","6","4","5","4","6","1") = "5"
    & skf21("5","6","6","4","5","4","7","1") = "6"
    & skf21("5","6","6","4","5","5","1","1") = "5"
    & skf21("5","6","6","4","5","5","2","1") = "5"
    & skf21("5","6","6","4","5","5","3","1") = "5"
    & skf21("5","6","6","4","5","5","4","1") = "5"
    & skf21("5","6","6","4","5","5","5","1") = "5"
    & skf21("5","6","6","4","5","5","6","1") = "5"
    & skf21("5","6","6","4","5","5","7","1") = "6"
    & skf21("5","6","6","4","5","6","1","1") = "5"
    & skf21("5","6","6","4","5","6","2","1") = "5"
    & skf21("5","6","6","4","5","6","3","1") = "5"
    & skf21("5","6","6","4","5","6","4","1") = "5"
    & skf21("5","6","6","4","5","6","5","1") = "5"
    & skf21("5","6","6","4","5","6","6","1") = "5"
    & skf21("5","6","6","4","5","6","7","1") = "6"
    & skf21("5","6","6","4","5","7","1","1") = "6"
    & skf21("5","6","6","4","5","7","2","1") = "6"
    & skf21("5","6","6","4","5","7","3","1") = "6"
    & skf21("5","6","6","4","5","7","4","1") = "6"
    & skf21("5","6","6","4","5","7","5","1") = "6"
    & skf21("5","6","6","4","5","7","6","1") = "6"
    & skf21("5","6","6","4","5","7","7","1") = "6"
    & skf21("5","6","6","4","6","1","1","1") = "5"
    & skf21("5","6","6","4","6","1","2","1") = "5"
    & skf21("5","6","6","4","6","1","3","1") = "5"
    & skf21("5","6","6","4","6","1","4","1") = "5"
    & skf21("5","6","6","4","6","1","5","1") = "5"
    & skf21("5","6","6","4","6","1","6","1") = "5"
    & skf21("5","6","6","4","6","1","7","1") = "6"
    & skf21("5","6","6","4","6","2","1","1") = "5"
    & skf21("5","6","6","4","6","2","2","1") = "5"
    & skf21("5","6","6","4","6","2","3","1") = "5"
    & skf21("5","6","6","4","6","2","4","1") = "5"
    & skf21("5","6","6","4","6","2","5","1") = "5"
    & skf21("5","6","6","4","6","2","6","1") = "5"
    & skf21("5","6","6","4","6","2","7","1") = "6"
    & skf21("5","6","6","4","6","3","1","1") = "5"
    & skf21("5","6","6","4","6","3","2","1") = "5"
    & skf21("5","6","6","4","6","3","3","1") = "5"
    & skf21("5","6","6","4","6","3","4","1") = "5"
    & skf21("5","6","6","4","6","3","5","1") = "5"
    & skf21("5","6","6","4","6","3","6","1") = "5"
    & skf21("5","6","6","4","6","3","7","1") = "6"
    & skf21("5","6","6","4","6","4","1","1") = "5"
    & skf21("5","6","6","4","6","4","2","1") = "5"
    & skf21("5","6","6","4","6","4","3","1") = "5"
    & skf21("5","6","6","4","6","4","4","1") = "5"
    & skf21("5","6","6","4","6","4","5","1") = "5"
    & skf21("5","6","6","4","6","4","6","1") = "5"
    & skf21("5","6","6","4","6","4","7","1") = "6"
    & skf21("5","6","6","4","6","5","1","1") = "5"
    & skf21("5","6","6","4","6","5","2","1") = "5"
    & skf21("5","6","6","4","6","5","3","1") = "5"
    & skf21("5","6","6","4","6","5","4","1") = "5"
    & skf21("5","6","6","4","6","5","5","1") = "5"
    & skf21("5","6","6","4","6","5","6","1") = "5"
    & skf21("5","6","6","4","6","5","7","1") = "6"
    & skf21("5","6","6","4","6","6","1","1") = "5"
    & skf21("5","6","6","4","6","6","2","1") = "5"
    & skf21("5","6","6","4","6","6","3","1") = "5"
    & skf21("5","6","6","4","6","6","4","1") = "5"
    & skf21("5","6","6","4","6","6","5","1") = "5"
    & skf21("5","6","6","4","6","6","6","1") = "5"
    & skf21("5","6","6","4","6","6","7","1") = "6"
    & skf21("5","6","6","4","6","7","1","1") = "6"
    & skf21("5","6","6","4","6","7","2","1") = "6"
    & skf21("5","6","6","4","6","7","3","1") = "6"
    & skf21("5","6","6","4","6","7","4","1") = "6"
    & skf21("5","6","6","4","6","7","5","1") = "6"
    & skf21("5","6","6","4","6","7","6","1") = "6"
    & skf21("5","6","6","4","6","7","7","1") = "6"
    & skf21("5","6","6","4","7","1","1","1") = "6"
    & skf21("5","6","6","4","7","1","2","1") = "6"
    & skf21("5","6","6","4","7","1","3","1") = "6"
    & skf21("5","6","6","4","7","1","4","1") = "6"
    & skf21("5","6","6","4","7","1","5","1") = "6"
    & skf21("5","6","6","4","7","1","6","1") = "6"
    & skf21("5","6","6","4","7","1","7","1") = "6"
    & skf21("5","6","6","4","7","2","1","1") = "6"
    & skf21("5","6","6","4","7","2","2","1") = "6"
    & skf21("5","6","6","4","7","2","3","1") = "6"
    & skf21("5","6","6","4","7","2","4","1") = "6"
    & skf21("5","6","6","4","7","2","5","1") = "6"
    & skf21("5","6","6","4","7","2","6","1") = "6"
    & skf21("5","6","6","4","7","2","7","1") = "6"
    & skf21("5","6","6","4","7","3","1","1") = "6"
    & skf21("5","6","6","4","7","3","2","1") = "6"
    & skf21("5","6","6","4","7","3","3","1") = "6"
    & skf21("5","6","6","4","7","3","4","1") = "6"
    & skf21("5","6","6","4","7","3","5","1") = "6"
    & skf21("5","6","6","4","7","3","6","1") = "6"
    & skf21("5","6","6","4","7","3","7","1") = "6"
    & skf21("5","6","6","4","7","4","1","1") = "6"
    & skf21("5","6","6","4","7","4","2","1") = "6"
    & skf21("5","6","6","4","7","4","3","1") = "6"
    & skf21("5","6","6","4","7","4","4","1") = "6"
    & skf21("5","6","6","4","7","4","5","1") = "6"
    & skf21("5","6","6","4","7","4","6","1") = "6"
    & skf21("5","6","6","4","7","4","7","1") = "6"
    & skf21("5","6","6","4","7","5","1","1") = "6"
    & skf21("5","6","6","4","7","5","2","1") = "6"
    & skf21("5","6","6","4","7","5","3","1") = "6"
    & skf21("5","6","6","4","7","5","4","1") = "6"
    & skf21("5","6","6","4","7","5","5","1") = "6"
    & skf21("5","6","6","4","7","5","6","1") = "6"
    & skf21("5","6","6","4","7","5","7","1") = "6"
    & skf21("5","6","6","4","7","6","1","1") = "6"
    & skf21("5","6","6","4","7","6","2","1") = "6"
    & skf21("5","6","6","4","7","6","3","1") = "6"
    & skf21("5","6","6","4","7","6","4","1") = "6"
    & skf21("5","6","6","4","7","6","5","1") = "6"
    & skf21("5","6","6","4","7","6","6","1") = "6"
    & skf21("5","6","6","4","7","6","7","1") = "6"
    & skf21("5","6","6","4","7","7","1","1") = "6"
    & skf21("5","6","6","4","7","7","2","1") = "6"
    & skf21("5","6","6","4","7","7","3","1") = "6"
    & skf21("5","6","6","4","7","7","4","1") = "6"
    & skf21("5","6","6","4","7","7","5","1") = "6"
    & skf21("5","6","6","4","7","7","6","1") = "6"
    & skf21("5","6","6","4","7","7","7","1") = "6"
    & skf21("5","6","6","5","1","1","1","1") = "5"
    & skf21("5","6","6","5","1","1","2","1") = "5"
    & skf21("5","6","6","5","1","1","3","1") = "5"
    & skf21("5","6","6","5","1","1","4","1") = "5"
    & skf21("5","6","6","5","1","1","5","1") = "5"
    & skf21("5","6","6","5","1","1","6","1") = "5"
    & skf21("5","6","6","5","1","1","7","1") = "6"
    & skf21("5","6","6","5","1","2","1","1") = "5"
    & skf21("5","6","6","5","1","2","2","1") = "5"
    & skf21("5","6","6","5","1","2","3","1") = "5"
    & skf21("5","6","6","5","1","2","4","1") = "5"
    & skf21("5","6","6","5","1","2","5","1") = "5"
    & skf21("5","6","6","5","1","2","6","1") = "5"
    & skf21("5","6","6","5","1","2","7","1") = "6"
    & skf21("5","6","6","5","1","3","1","1") = "5"
    & skf21("5","6","6","5","1","3","2","1") = "5"
    & skf21("5","6","6","5","1","3","3","1") = "5"
    & skf21("5","6","6","5","1","3","4","1") = "5"
    & skf21("5","6","6","5","1","3","5","1") = "5"
    & skf21("5","6","6","5","1","3","6","1") = "5"
    & skf21("5","6","6","5","1","3","7","1") = "6"
    & skf21("5","6","6","5","1","4","1","1") = "5"
    & skf21("5","6","6","5","1","4","2","1") = "5"
    & skf21("5","6","6","5","1","4","3","1") = "5"
    & skf21("5","6","6","5","1","4","4","1") = "5"
    & skf21("5","6","6","5","1","4","5","1") = "5"
    & skf21("5","6","6","5","1","4","6","1") = "5"
    & skf21("5","6","6","5","1","4","7","1") = "6"
    & skf21("5","6","6","5","1","5","1","1") = "5"
    & skf21("5","6","6","5","1","5","2","1") = "5"
    & skf21("5","6","6","5","1","5","3","1") = "5"
    & skf21("5","6","6","5","1","5","4","1") = "5"
    & skf21("5","6","6","5","1","5","5","1") = "5"
    & skf21("5","6","6","5","1","5","6","1") = "5"
    & skf21("5","6","6","5","1","5","7","1") = "6"
    & skf21("5","6","6","5","1","6","1","1") = "5"
    & skf21("5","6","6","5","1","6","2","1") = "5"
    & skf21("5","6","6","5","1","6","3","1") = "5"
    & skf21("5","6","6","5","1","6","4","1") = "5"
    & skf21("5","6","6","5","1","6","5","1") = "5"
    & skf21("5","6","6","5","1","6","6","1") = "5"
    & skf21("5","6","6","5","1","6","7","1") = "6"
    & skf21("5","6","6","5","1","7","1","1") = "6"
    & skf21("5","6","6","5","1","7","2","1") = "6"
    & skf21("5","6","6","5","1","7","3","1") = "6"
    & skf21("5","6","6","5","1","7","4","1") = "6"
    & skf21("5","6","6","5","1","7","5","1") = "6"
    & skf21("5","6","6","5","1","7","6","1") = "6"
    & skf21("5","6","6","5","1","7","7","1") = "6"
    & skf21("5","6","6","5","2","1","1","1") = "5"
    & skf21("5","6","6","5","2","1","2","1") = "5"
    & skf21("5","6","6","5","2","1","3","1") = "5"
    & skf21("5","6","6","5","2","1","4","1") = "5"
    & skf21("5","6","6","5","2","1","5","1") = "5"
    & skf21("5","6","6","5","2","1","6","1") = "5"
    & skf21("5","6","6","5","2","1","7","1") = "6"
    & skf21("5","6","6","5","2","2","1","1") = "5"
    & skf21("5","6","6","5","2","2","2","1") = "5"
    & skf21("5","6","6","5","2","2","3","1") = "5"
    & skf21("5","6","6","5","2","2","4","1") = "5"
    & skf21("5","6","6","5","2","2","5","1") = "5"
    & skf21("5","6","6","5","2","2","6","1") = "5"
    & skf21("5","6","6","5","2","2","7","1") = "6"
    & skf21("5","6","6","5","2","3","1","1") = "5"
    & skf21("5","6","6","5","2","3","2","1") = "5"
    & skf21("5","6","6","5","2","3","3","1") = "5"
    & skf21("5","6","6","5","2","3","4","1") = "5"
    & skf21("5","6","6","5","2","3","5","1") = "5"
    & skf21("5","6","6","5","2","3","6","1") = "5"
    & skf21("5","6","6","5","2","3","7","1") = "6"
    & skf21("5","6","6","5","2","4","1","1") = "5"
    & skf21("5","6","6","5","2","4","2","1") = "5"
    & skf21("5","6","6","5","2","4","3","1") = "5"
    & skf21("5","6","6","5","2","4","4","1") = "5"
    & skf21("5","6","6","5","2","4","5","1") = "5"
    & skf21("5","6","6","5","2","4","6","1") = "5"
    & skf21("5","6","6","5","2","4","7","1") = "6"
    & skf21("5","6","6","5","2","5","1","1") = "5"
    & skf21("5","6","6","5","2","5","2","1") = "5"
    & skf21("5","6","6","5","2","5","3","1") = "5"
    & skf21("5","6","6","5","2","5","4","1") = "5"
    & skf21("5","6","6","5","2","5","5","1") = "5"
    & skf21("5","6","6","5","2","5","6","1") = "5"
    & skf21("5","6","6","5","2","5","7","1") = "6"
    & skf21("5","6","6","5","2","6","1","1") = "5"
    & skf21("5","6","6","5","2","6","2","1") = "5"
    & skf21("5","6","6","5","2","6","3","1") = "5"
    & skf21("5","6","6","5","2","6","4","1") = "5"
    & skf21("5","6","6","5","2","6","5","1") = "5"
    & skf21("5","6","6","5","2","6","6","1") = "5"
    & skf21("5","6","6","5","2","6","7","1") = "6"
    & skf21("5","6","6","5","2","7","1","1") = "6"
    & skf21("5","6","6","5","2","7","2","1") = "6"
    & skf21("5","6","6","5","2","7","3","1") = "6"
    & skf21("5","6","6","5","2","7","4","1") = "6"
    & skf21("5","6","6","5","2","7","5","1") = "6"
    & skf21("5","6","6","5","2","7","6","1") = "6"
    & skf21("5","6","6","5","2","7","7","1") = "6"
    & skf21("5","6","6","5","3","1","1","1") = "5"
    & skf21("5","6","6","5","3","1","2","1") = "5"
    & skf21("5","6","6","5","3","1","3","1") = "5"
    & skf21("5","6","6","5","3","1","4","1") = "5"
    & skf21("5","6","6","5","3","1","5","1") = "5"
    & skf21("5","6","6","5","3","1","6","1") = "5"
    & skf21("5","6","6","5","3","1","7","1") = "6"
    & skf21("5","6","6","5","3","2","1","1") = "5"
    & skf21("5","6","6","5","3","2","2","1") = "5"
    & skf21("5","6","6","5","3","2","3","1") = "5"
    & skf21("5","6","6","5","3","2","4","1") = "5"
    & skf21("5","6","6","5","3","2","5","1") = "5"
    & skf21("5","6","6","5","3","2","6","1") = "5"
    & skf21("5","6","6","5","3","2","7","1") = "6"
    & skf21("5","6","6","5","3","3","1","1") = "5"
    & skf21("5","6","6","5","3","3","2","1") = "5"
    & skf21("5","6","6","5","3","3","3","1") = "5"
    & skf21("5","6","6","5","3","3","4","1") = "5"
    & skf21("5","6","6","5","3","3","5","1") = "5"
    & skf21("5","6","6","5","3","3","6","1") = "5"
    & skf21("5","6","6","5","3","3","7","1") = "6"
    & skf21("5","6","6","5","3","4","1","1") = "5"
    & skf21("5","6","6","5","3","4","2","1") = "5"
    & skf21("5","6","6","5","3","4","3","1") = "5"
    & skf21("5","6","6","5","3","4","4","1") = "5"
    & skf21("5","6","6","5","3","4","5","1") = "5"
    & skf21("5","6","6","5","3","4","6","1") = "5"
    & skf21("5","6","6","5","3","4","7","1") = "6"
    & skf21("5","6","6","5","3","5","1","1") = "5"
    & skf21("5","6","6","5","3","5","2","1") = "5"
    & skf21("5","6","6","5","3","5","3","1") = "5"
    & skf21("5","6","6","5","3","5","4","1") = "5"
    & skf21("5","6","6","5","3","5","5","1") = "5"
    & skf21("5","6","6","5","3","5","6","1") = "5"
    & skf21("5","6","6","5","3","5","7","1") = "6"
    & skf21("5","6","6","5","3","6","1","1") = "5"
    & skf21("5","6","6","5","3","6","2","1") = "5"
    & skf21("5","6","6","5","3","6","3","1") = "5"
    & skf21("5","6","6","5","3","6","4","1") = "5"
    & skf21("5","6","6","5","3","6","5","1") = "5"
    & skf21("5","6","6","5","3","6","6","1") = "5"
    & skf21("5","6","6","5","3","6","7","1") = "6"
    & skf21("5","6","6","5","3","7","1","1") = "6"
    & skf21("5","6","6","5","3","7","2","1") = "6"
    & skf21("5","6","6","5","3","7","3","1") = "6"
    & skf21("5","6","6","5","3","7","4","1") = "6"
    & skf21("5","6","6","5","3","7","5","1") = "6"
    & skf21("5","6","6","5","3","7","6","1") = "6"
    & skf21("5","6","6","5","3","7","7","1") = "6"
    & skf21("5","6","6","5","4","1","1","1") = "5"
    & skf21("5","6","6","5","4","1","2","1") = "5"
    & skf21("5","6","6","5","4","1","3","1") = "5"
    & skf21("5","6","6","5","4","1","4","1") = "5"
    & skf21("5","6","6","5","4","1","5","1") = "5"
    & skf21("5","6","6","5","4","1","6","1") = "5"
    & skf21("5","6","6","5","4","1","7","1") = "6"
    & skf21("5","6","6","5","4","2","1","1") = "5"
    & skf21("5","6","6","5","4","2","2","1") = "5"
    & skf21("5","6","6","5","4","2","3","1") = "5"
    & skf21("5","6","6","5","4","2","4","1") = "5"
    & skf21("5","6","6","5","4","2","5","1") = "5"
    & skf21("5","6","6","5","4","2","6","1") = "5"
    & skf21("5","6","6","5","4","2","7","1") = "6"
    & skf21("5","6","6","5","4","3","1","1") = "5"
    & skf21("5","6","6","5","4","3","2","1") = "5"
    & skf21("5","6","6","5","4","3","3","1") = "5"
    & skf21("5","6","6","5","4","3","4","1") = "5"
    & skf21("5","6","6","5","4","3","5","1") = "5"
    & skf21("5","6","6","5","4","3","6","1") = "5"
    & skf21("5","6","6","5","4","3","7","1") = "6"
    & skf21("5","6","6","5","4","4","1","1") = "5"
    & skf21("5","6","6","5","4","4","2","1") = "5"
    & skf21("5","6","6","5","4","4","3","1") = "5"
    & skf21("5","6","6","5","4","4","4","1") = "5"
    & skf21("5","6","6","5","4","4","5","1") = "5"
    & skf21("5","6","6","5","4","4","6","1") = "5"
    & skf21("5","6","6","5","4","4","7","1") = "6"
    & skf21("5","6","6","5","4","5","1","1") = "5"
    & skf21("5","6","6","5","4","5","2","1") = "5"
    & skf21("5","6","6","5","4","5","3","1") = "5"
    & skf21("5","6","6","5","4","5","4","1") = "5"
    & skf21("5","6","6","5","4","5","5","1") = "5"
    & skf21("5","6","6","5","4","5","6","1") = "5"
    & skf21("5","6","6","5","4","5","7","1") = "6"
    & skf21("5","6","6","5","4","6","1","1") = "5"
    & skf21("5","6","6","5","4","6","2","1") = "5"
    & skf21("5","6","6","5","4","6","3","1") = "5"
    & skf21("5","6","6","5","4","6","4","1") = "5"
    & skf21("5","6","6","5","4","6","5","1") = "5"
    & skf21("5","6","6","5","4","6","6","1") = "5"
    & skf21("5","6","6","5","4","6","7","1") = "6"
    & skf21("5","6","6","5","4","7","1","1") = "6"
    & skf21("5","6","6","5","4","7","2","1") = "6"
    & skf21("5","6","6","5","4","7","3","1") = "6"
    & skf21("5","6","6","5","4","7","4","1") = "6"
    & skf21("5","6","6","5","4","7","5","1") = "6"
    & skf21("5","6","6","5","4","7","6","1") = "6"
    & skf21("5","6","6","5","4","7","7","1") = "6"
    & skf21("5","6","6","5","5","1","1","1") = "5"
    & skf21("5","6","6","5","5","1","2","1") = "5"
    & skf21("5","6","6","5","5","1","3","1") = "5"
    & skf21("5","6","6","5","5","1","4","1") = "5"
    & skf21("5","6","6","5","5","1","5","1") = "5"
    & skf21("5","6","6","5","5","1","6","1") = "5"
    & skf21("5","6","6","5","5","1","7","1") = "6"
    & skf21("5","6","6","5","5","2","1","1") = "5"
    & skf21("5","6","6","5","5","2","2","1") = "5"
    & skf21("5","6","6","5","5","2","3","1") = "5"
    & skf21("5","6","6","5","5","2","4","1") = "5"
    & skf21("5","6","6","5","5","2","5","1") = "5"
    & skf21("5","6","6","5","5","2","6","1") = "5"
    & skf21("5","6","6","5","5","2","7","1") = "6"
    & skf21("5","6","6","5","5","3","1","1") = "5"
    & skf21("5","6","6","5","5","3","2","1") = "5"
    & skf21("5","6","6","5","5","3","3","1") = "5"
    & skf21("5","6","6","5","5","3","4","1") = "5"
    & skf21("5","6","6","5","5","3","5","1") = "5"
    & skf21("5","6","6","5","5","3","6","1") = "5"
    & skf21("5","6","6","5","5","3","7","1") = "6"
    & skf21("5","6","6","5","5","4","1","1") = "5"
    & skf21("5","6","6","5","5","4","2","1") = "5"
    & skf21("5","6","6","5","5","4","3","1") = "5"
    & skf21("5","6","6","5","5","4","4","1") = "5"
    & skf21("5","6","6","5","5","4","5","1") = "5"
    & skf21("5","6","6","5","5","4","6","1") = "5"
    & skf21("5","6","6","5","5","4","7","1") = "6"
    & skf21("5","6","6","5","5","5","1","1") = "5"
    & skf21("5","6","6","5","5","5","2","1") = "5"
    & skf21("5","6","6","5","5","5","3","1") = "5"
    & skf21("5","6","6","5","5","5","4","1") = "5"
    & skf21("5","6","6","5","5","5","5","1") = "5"
    & skf21("5","6","6","5","5","5","6","1") = "5"
    & skf21("5","6","6","5","5","5","7","1") = "6"
    & skf21("5","6","6","5","5","6","1","1") = "5"
    & skf21("5","6","6","5","5","6","2","1") = "5"
    & skf21("5","6","6","5","5","6","3","1") = "5"
    & skf21("5","6","6","5","5","6","4","1") = "5"
    & skf21("5","6","6","5","5","6","5","1") = "5"
    & skf21("5","6","6","5","5","6","6","1") = "5"
    & skf21("5","6","6","5","5","6","7","1") = "6"
    & skf21("5","6","6","5","5","7","1","1") = "6"
    & skf21("5","6","6","5","5","7","2","1") = "6"
    & skf21("5","6","6","5","5","7","3","1") = "6"
    & skf21("5","6","6","5","5","7","4","1") = "6"
    & skf21("5","6","6","5","5","7","5","1") = "6"
    & skf21("5","6","6","5","5","7","6","1") = "6"
    & skf21("5","6","6","5","5","7","7","1") = "6"
    & skf21("5","6","6","5","6","1","1","1") = "5"
    & skf21("5","6","6","5","6","1","2","1") = "5"
    & skf21("5","6","6","5","6","1","3","1") = "5"
    & skf21("5","6","6","5","6","1","4","1") = "5"
    & skf21("5","6","6","5","6","1","5","1") = "5"
    & skf21("5","6","6","5","6","1","6","1") = "5"
    & skf21("5","6","6","5","6","1","7","1") = "6"
    & skf21("5","6","6","5","6","2","1","1") = "5"
    & skf21("5","6","6","5","6","2","2","1") = "5"
    & skf21("5","6","6","5","6","2","3","1") = "5"
    & skf21("5","6","6","5","6","2","4","1") = "5"
    & skf21("5","6","6","5","6","2","5","1") = "5"
    & skf21("5","6","6","5","6","2","6","1") = "5"
    & skf21("5","6","6","5","6","2","7","1") = "6"
    & skf21("5","6","6","5","6","3","1","1") = "5"
    & skf21("5","6","6","5","6","3","2","1") = "5"
    & skf21("5","6","6","5","6","3","3","1") = "5"
    & skf21("5","6","6","5","6","3","4","1") = "5"
    & skf21("5","6","6","5","6","3","5","1") = "5"
    & skf21("5","6","6","5","6","3","6","1") = "5"
    & skf21("5","6","6","5","6","3","7","1") = "6"
    & skf21("5","6","6","5","6","4","1","1") = "5"
    & skf21("5","6","6","5","6","4","2","1") = "5"
    & skf21("5","6","6","5","6","4","3","1") = "5"
    & skf21("5","6","6","5","6","4","4","1") = "5"
    & skf21("5","6","6","5","6","4","5","1") = "5"
    & skf21("5","6","6","5","6","4","6","1") = "5"
    & skf21("5","6","6","5","6","4","7","1") = "6"
    & skf21("5","6","6","5","6","5","1","1") = "5"
    & skf21("5","6","6","5","6","5","2","1") = "5"
    & skf21("5","6","6","5","6","5","3","1") = "5"
    & skf21("5","6","6","5","6","5","4","1") = "5"
    & skf21("5","6","6","5","6","5","5","1") = "5"
    & skf21("5","6","6","5","6","5","6","1") = "5"
    & skf21("5","6","6","5","6","5","7","1") = "6"
    & skf21("5","6","6","5","6","6","1","1") = "5"
    & skf21("5","6","6","5","6","6","2","1") = "5"
    & skf21("5","6","6","5","6","6","3","1") = "5"
    & skf21("5","6","6","5","6","6","4","1") = "5"
    & skf21("5","6","6","5","6","6","5","1") = "5"
    & skf21("5","6","6","5","6","6","6","1") = "5"
    & skf21("5","6","6","5","6","6","7","1") = "6"
    & skf21("5","6","6","5","6","7","1","1") = "6"
    & skf21("5","6","6","5","6","7","2","1") = "6"
    & skf21("5","6","6","5","6","7","3","1") = "6"
    & skf21("5","6","6","5","6","7","4","1") = "6"
    & skf21("5","6","6","5","6","7","5","1") = "6"
    & skf21("5","6","6","5","6","7","6","1") = "6"
    & skf21("5","6","6","5","6","7","7","1") = "6"
    & skf21("5","6","6","5","7","1","1","1") = "6"
    & skf21("5","6","6","5","7","1","2","1") = "6"
    & skf21("5","6","6","5","7","1","3","1") = "6"
    & skf21("5","6","6","5","7","1","4","1") = "6"
    & skf21("5","6","6","5","7","1","5","1") = "6"
    & skf21("5","6","6","5","7","1","6","1") = "6"
    & skf21("5","6","6","5","7","1","7","1") = "6"
    & skf21("5","6","6","5","7","2","1","1") = "6"
    & skf21("5","6","6","5","7","2","2","1") = "6"
    & skf21("5","6","6","5","7","2","3","1") = "6"
    & skf21("5","6","6","5","7","2","4","1") = "6"
    & skf21("5","6","6","5","7","2","5","1") = "6"
    & skf21("5","6","6","5","7","2","6","1") = "6"
    & skf21("5","6","6","5","7","2","7","1") = "6"
    & skf21("5","6","6","5","7","3","1","1") = "6"
    & skf21("5","6","6","5","7","3","2","1") = "6"
    & skf21("5","6","6","5","7","3","3","1") = "6"
    & skf21("5","6","6","5","7","3","4","1") = "6"
    & skf21("5","6","6","5","7","3","5","1") = "6"
    & skf21("5","6","6","5","7","3","6","1") = "6"
    & skf21("5","6","6","5","7","3","7","1") = "6"
    & skf21("5","6","6","5","7","4","1","1") = "6"
    & skf21("5","6","6","5","7","4","2","1") = "6"
    & skf21("5","6","6","5","7","4","3","1") = "6"
    & skf21("5","6","6","5","7","4","4","1") = "6"
    & skf21("5","6","6","5","7","4","5","1") = "6"
    & skf21("5","6","6","5","7","4","6","1") = "6"
    & skf21("5","6","6","5","7","4","7","1") = "6"
    & skf21("5","6","6","5","7","5","1","1") = "6"
    & skf21("5","6","6","5","7","5","2","1") = "6"
    & skf21("5","6","6","5","7","5","3","1") = "6"
    & skf21("5","6","6","5","7","5","4","1") = "6"
    & skf21("5","6","6","5","7","5","5","1") = "6"
    & skf21("5","6","6","5","7","5","6","1") = "6"
    & skf21("5","6","6","5","7","5","7","1") = "6"
    & skf21("5","6","6","5","7","6","1","1") = "6"
    & skf21("5","6","6","5","7","6","2","1") = "6"
    & skf21("5","6","6","5","7","6","3","1") = "6"
    & skf21("5","6","6","5","7","6","4","1") = "6"
    & skf21("5","6","6","5","7","6","5","1") = "6"
    & skf21("5","6","6","5","7","6","6","1") = "6"
    & skf21("5","6","6","5","7","6","7","1") = "6"
    & skf21("5","6","6","5","7","7","1","1") = "6"
    & skf21("5","6","6","5","7","7","2","1") = "6"
    & skf21("5","6","6","5","7","7","3","1") = "6"
    & skf21("5","6","6","5","7","7","4","1") = "6"
    & skf21("5","6","6","5","7","7","5","1") = "6"
    & skf21("5","6","6","5","7","7","6","1") = "6"
    & skf21("5","6","6","5","7","7","7","1") = "6"
    & skf21("5","6","6","6","1","1","1","1") = "5"
    & skf21("5","6","6","6","1","1","2","1") = "5"
    & skf21("5","6","6","6","1","1","3","1") = "5"
    & skf21("5","6","6","6","1","1","4","1") = "5"
    & skf21("5","6","6","6","1","1","5","1") = "5"
    & skf21("5","6","6","6","1","1","6","1") = "5"
    & skf21("5","6","6","6","1","1","7","1") = "6"
    & skf21("5","6","6","6","1","2","1","1") = "5"
    & skf21("5","6","6","6","1","2","2","1") = "5"
    & skf21("5","6","6","6","1","2","3","1") = "5"
    & skf21("5","6","6","6","1","2","4","1") = "5"
    & skf21("5","6","6","6","1","2","5","1") = "5"
    & skf21("5","6","6","6","1","2","6","1") = "5"
    & skf21("5","6","6","6","1","2","7","1") = "6"
    & skf21("5","6","6","6","1","3","1","1") = "5"
    & skf21("5","6","6","6","1","3","2","1") = "5"
    & skf21("5","6","6","6","1","3","3","1") = "5"
    & skf21("5","6","6","6","1","3","4","1") = "5"
    & skf21("5","6","6","6","1","3","5","1") = "5"
    & skf21("5","6","6","6","1","3","6","1") = "5"
    & skf21("5","6","6","6","1","3","7","1") = "6"
    & skf21("5","6","6","6","1","4","1","1") = "5"
    & skf21("5","6","6","6","1","4","2","1") = "5"
    & skf21("5","6","6","6","1","4","3","1") = "5"
    & skf21("5","6","6","6","1","4","4","1") = "5"
    & skf21("5","6","6","6","1","4","5","1") = "5"
    & skf21("5","6","6","6","1","4","6","1") = "5"
    & skf21("5","6","6","6","1","4","7","1") = "6"
    & skf21("5","6","6","6","1","5","1","1") = "5"
    & skf21("5","6","6","6","1","5","2","1") = "5"
    & skf21("5","6","6","6","1","5","3","1") = "5"
    & skf21("5","6","6","6","1","5","4","1") = "5"
    & skf21("5","6","6","6","1","5","5","1") = "5"
    & skf21("5","6","6","6","1","5","6","1") = "5"
    & skf21("5","6","6","6","1","5","7","1") = "6"
    & skf21("5","6","6","6","1","6","1","1") = "5"
    & skf21("5","6","6","6","1","6","2","1") = "5"
    & skf21("5","6","6","6","1","6","3","1") = "5"
    & skf21("5","6","6","6","1","6","4","1") = "5"
    & skf21("5","6","6","6","1","6","5","1") = "5"
    & skf21("5","6","6","6","1","6","6","1") = "5"
    & skf21("5","6","6","6","1","6","7","1") = "6"
    & skf21("5","6","6","6","1","7","1","1") = "6"
    & skf21("5","6","6","6","1","7","2","1") = "6"
    & skf21("5","6","6","6","1","7","3","1") = "6"
    & skf21("5","6","6","6","1","7","4","1") = "6"
    & skf21("5","6","6","6","1","7","5","1") = "6"
    & skf21("5","6","6","6","1","7","6","1") = "6"
    & skf21("5","6","6","6","1","7","7","1") = "6"
    & skf21("5","6","6","6","2","1","1","1") = "5"
    & skf21("5","6","6","6","2","1","2","1") = "5"
    & skf21("5","6","6","6","2","1","3","1") = "5"
    & skf21("5","6","6","6","2","1","4","1") = "5"
    & skf21("5","6","6","6","2","1","5","1") = "5"
    & skf21("5","6","6","6","2","1","6","1") = "5"
    & skf21("5","6","6","6","2","1","7","1") = "6"
    & skf21("5","6","6","6","2","2","1","1") = "5"
    & skf21("5","6","6","6","2","2","2","1") = "5"
    & skf21("5","6","6","6","2","2","3","1") = "5"
    & skf21("5","6","6","6","2","2","4","1") = "5"
    & skf21("5","6","6","6","2","2","5","1") = "5"
    & skf21("5","6","6","6","2","2","6","1") = "5"
    & skf21("5","6","6","6","2","2","7","1") = "6"
    & skf21("5","6","6","6","2","3","1","1") = "5"
    & skf21("5","6","6","6","2","3","2","1") = "5"
    & skf21("5","6","6","6","2","3","3","1") = "5"
    & skf21("5","6","6","6","2","3","4","1") = "5"
    & skf21("5","6","6","6","2","3","5","1") = "5"
    & skf21("5","6","6","6","2","3","6","1") = "5"
    & skf21("5","6","6","6","2","3","7","1") = "6"
    & skf21("5","6","6","6","2","4","1","1") = "5"
    & skf21("5","6","6","6","2","4","2","1") = "5"
    & skf21("5","6","6","6","2","4","3","1") = "5"
    & skf21("5","6","6","6","2","4","4","1") = "5"
    & skf21("5","6","6","6","2","4","5","1") = "5"
    & skf21("5","6","6","6","2","4","6","1") = "5"
    & skf21("5","6","6","6","2","4","7","1") = "6"
    & skf21("5","6","6","6","2","5","1","1") = "5"
    & skf21("5","6","6","6","2","5","2","1") = "5"
    & skf21("5","6","6","6","2","5","3","1") = "5"
    & skf21("5","6","6","6","2","5","4","1") = "5"
    & skf21("5","6","6","6","2","5","5","1") = "5"
    & skf21("5","6","6","6","2","5","6","1") = "5"
    & skf21("5","6","6","6","2","5","7","1") = "6"
    & skf21("5","6","6","6","2","6","1","1") = "5"
    & skf21("5","6","6","6","2","6","2","1") = "5"
    & skf21("5","6","6","6","2","6","3","1") = "5"
    & skf21("5","6","6","6","2","6","4","1") = "5"
    & skf21("5","6","6","6","2","6","5","1") = "5"
    & skf21("5","6","6","6","2","6","6","1") = "5"
    & skf21("5","6","6","6","2","6","7","1") = "6"
    & skf21("5","6","6","6","2","7","1","1") = "6"
    & skf21("5","6","6","6","2","7","2","1") = "6"
    & skf21("5","6","6","6","2","7","3","1") = "6"
    & skf21("5","6","6","6","2","7","4","1") = "6"
    & skf21("5","6","6","6","2","7","5","1") = "6"
    & skf21("5","6","6","6","2","7","6","1") = "6"
    & skf21("5","6","6","6","2","7","7","1") = "6"
    & skf21("5","6","6","6","3","1","1","1") = "5"
    & skf21("5","6","6","6","3","1","2","1") = "5"
    & skf21("5","6","6","6","3","1","3","1") = "5"
    & skf21("5","6","6","6","3","1","4","1") = "5"
    & skf21("5","6","6","6","3","1","5","1") = "5"
    & skf21("5","6","6","6","3","1","6","1") = "5"
    & skf21("5","6","6","6","3","1","7","1") = "6"
    & skf21("5","6","6","6","3","2","1","1") = "5"
    & skf21("5","6","6","6","3","2","2","1") = "5"
    & skf21("5","6","6","6","3","2","3","1") = "5"
    & skf21("5","6","6","6","3","2","4","1") = "5"
    & skf21("5","6","6","6","3","2","5","1") = "5"
    & skf21("5","6","6","6","3","2","6","1") = "5"
    & skf21("5","6","6","6","3","2","7","1") = "6"
    & skf21("5","6","6","6","3","3","1","1") = "5"
    & skf21("5","6","6","6","3","3","2","1") = "5"
    & skf21("5","6","6","6","3","3","3","1") = "5"
    & skf21("5","6","6","6","3","3","4","1") = "5"
    & skf21("5","6","6","6","3","3","5","1") = "5"
    & skf21("5","6","6","6","3","3","6","1") = "5"
    & skf21("5","6","6","6","3","3","7","1") = "6"
    & skf21("5","6","6","6","3","4","1","1") = "5"
    & skf21("5","6","6","6","3","4","2","1") = "5"
    & skf21("5","6","6","6","3","4","3","1") = "5"
    & skf21("5","6","6","6","3","4","4","1") = "5"
    & skf21("5","6","6","6","3","4","5","1") = "5"
    & skf21("5","6","6","6","3","4","6","1") = "5"
    & skf21("5","6","6","6","3","4","7","1") = "6"
    & skf21("5","6","6","6","3","5","1","1") = "5"
    & skf21("5","6","6","6","3","5","2","1") = "5"
    & skf21("5","6","6","6","3","5","3","1") = "5"
    & skf21("5","6","6","6","3","5","4","1") = "5"
    & skf21("5","6","6","6","3","5","5","1") = "5"
    & skf21("5","6","6","6","3","5","6","1") = "5"
    & skf21("5","6","6","6","3","5","7","1") = "6"
    & skf21("5","6","6","6","3","6","1","1") = "5"
    & skf21("5","6","6","6","3","6","2","1") = "5"
    & skf21("5","6","6","6","3","6","3","1") = "5"
    & skf21("5","6","6","6","3","6","4","1") = "5"
    & skf21("5","6","6","6","3","6","5","1") = "5"
    & skf21("5","6","6","6","3","6","6","1") = "5"
    & skf21("5","6","6","6","3","6","7","1") = "6"
    & skf21("5","6","6","6","3","7","1","1") = "6"
    & skf21("5","6","6","6","3","7","2","1") = "6"
    & skf21("5","6","6","6","3","7","3","1") = "6"
    & skf21("5","6","6","6","3","7","4","1") = "6"
    & skf21("5","6","6","6","3","7","5","1") = "6"
    & skf21("5","6","6","6","3","7","6","1") = "6"
    & skf21("5","6","6","6","3","7","7","1") = "6"
    & skf21("5","6","6","6","4","1","1","1") = "5"
    & skf21("5","6","6","6","4","1","2","1") = "5"
    & skf21("5","6","6","6","4","1","3","1") = "5"
    & skf21("5","6","6","6","4","1","4","1") = "5"
    & skf21("5","6","6","6","4","1","5","1") = "5"
    & skf21("5","6","6","6","4","1","6","1") = "5"
    & skf21("5","6","6","6","4","1","7","1") = "6"
    & skf21("5","6","6","6","4","2","1","1") = "5"
    & skf21("5","6","6","6","4","2","2","1") = "5"
    & skf21("5","6","6","6","4","2","3","1") = "5"
    & skf21("5","6","6","6","4","2","4","1") = "5"
    & skf21("5","6","6","6","4","2","5","1") = "5"
    & skf21("5","6","6","6","4","2","6","1") = "5"
    & skf21("5","6","6","6","4","2","7","1") = "6"
    & skf21("5","6","6","6","4","3","1","1") = "5"
    & skf21("5","6","6","6","4","3","2","1") = "5"
    & skf21("5","6","6","6","4","3","3","1") = "5"
    & skf21("5","6","6","6","4","3","4","1") = "5"
    & skf21("5","6","6","6","4","3","5","1") = "5"
    & skf21("5","6","6","6","4","3","6","1") = "5"
    & skf21("5","6","6","6","4","3","7","1") = "6"
    & skf21("5","6","6","6","4","4","1","1") = "5"
    & skf21("5","6","6","6","4","4","2","1") = "5"
    & skf21("5","6","6","6","4","4","3","1") = "5"
    & skf21("5","6","6","6","4","4","4","1") = "5"
    & skf21("5","6","6","6","4","4","5","1") = "5"
    & skf21("5","6","6","6","4","4","6","1") = "5"
    & skf21("5","6","6","6","4","4","7","1") = "6"
    & skf21("5","6","6","6","4","5","1","1") = "5"
    & skf21("5","6","6","6","4","5","2","1") = "5"
    & skf21("5","6","6","6","4","5","3","1") = "5"
    & skf21("5","6","6","6","4","5","4","1") = "5"
    & skf21("5","6","6","6","4","5","5","1") = "5"
    & skf21("5","6","6","6","4","5","6","1") = "5"
    & skf21("5","6","6","6","4","5","7","1") = "6"
    & skf21("5","6","6","6","4","6","1","1") = "5"
    & skf21("5","6","6","6","4","6","2","1") = "5"
    & skf21("5","6","6","6","4","6","3","1") = "5"
    & skf21("5","6","6","6","4","6","4","1") = "5"
    & skf21("5","6","6","6","4","6","5","1") = "5"
    & skf21("5","6","6","6","4","6","6","1") = "5"
    & skf21("5","6","6","6","4","6","7","1") = "6"
    & skf21("5","6","6","6","4","7","1","1") = "6"
    & skf21("5","6","6","6","4","7","2","1") = "6"
    & skf21("5","6","6","6","4","7","3","1") = "6"
    & skf21("5","6","6","6","4","7","4","1") = "6"
    & skf21("5","6","6","6","4","7","5","1") = "6"
    & skf21("5","6","6","6","4","7","6","1") = "6"
    & skf21("5","6","6","6","4","7","7","1") = "6"
    & skf21("5","6","6","6","5","1","1","1") = "5"
    & skf21("5","6","6","6","5","1","2","1") = "5"
    & skf21("5","6","6","6","5","1","3","1") = "5"
    & skf21("5","6","6","6","5","1","4","1") = "5"
    & skf21("5","6","6","6","5","1","5","1") = "5"
    & skf21("5","6","6","6","5","1","6","1") = "5"
    & skf21("5","6","6","6","5","1","7","1") = "6"
    & skf21("5","6","6","6","5","2","1","1") = "5"
    & skf21("5","6","6","6","5","2","2","1") = "5"
    & skf21("5","6","6","6","5","2","3","1") = "5"
    & skf21("5","6","6","6","5","2","4","1") = "5"
    & skf21("5","6","6","6","5","2","5","1") = "5"
    & skf21("5","6","6","6","5","2","6","1") = "5"
    & skf21("5","6","6","6","5","2","7","1") = "6"
    & skf21("5","6","6","6","5","3","1","1") = "5"
    & skf21("5","6","6","6","5","3","2","1") = "5"
    & skf21("5","6","6","6","5","3","3","1") = "5"
    & skf21("5","6","6","6","5","3","4","1") = "5"
    & skf21("5","6","6","6","5","3","5","1") = "5"
    & skf21("5","6","6","6","5","3","6","1") = "5"
    & skf21("5","6","6","6","5","3","7","1") = "6"
    & skf21("5","6","6","6","5","4","1","1") = "5"
    & skf21("5","6","6","6","5","4","2","1") = "5"
    & skf21("5","6","6","6","5","4","3","1") = "5"
    & skf21("5","6","6","6","5","4","4","1") = "5"
    & skf21("5","6","6","6","5","4","5","1") = "5"
    & skf21("5","6","6","6","5","4","6","1") = "5"
    & skf21("5","6","6","6","5","4","7","1") = "6"
    & skf21("5","6","6","6","5","5","1","1") = "5"
    & skf21("5","6","6","6","5","5","2","1") = "5"
    & skf21("5","6","6","6","5","5","3","1") = "5"
    & skf21("5","6","6","6","5","5","4","1") = "5"
    & skf21("5","6","6","6","5","5","5","1") = "5"
    & skf21("5","6","6","6","5","5","6","1") = "5"
    & skf21("5","6","6","6","5","5","7","1") = "6"
    & skf21("5","6","6","6","5","6","1","1") = "5"
    & skf21("5","6","6","6","5","6","2","1") = "5"
    & skf21("5","6","6","6","5","6","3","1") = "5"
    & skf21("5","6","6","6","5","6","4","1") = "5"
    & skf21("5","6","6","6","5","6","5","1") = "5"
    & skf21("5","6","6","6","5","6","6","1") = "5"
    & skf21("5","6","6","6","5","6","7","1") = "6"
    & skf21("5","6","6","6","5","7","1","1") = "6"
    & skf21("5","6","6","6","5","7","2","1") = "6"
    & skf21("5","6","6","6","5","7","3","1") = "6"
    & skf21("5","6","6","6","5","7","4","1") = "6"
    & skf21("5","6","6","6","5","7","5","1") = "6"
    & skf21("5","6","6","6","5","7","6","1") = "6"
    & skf21("5","6","6","6","5","7","7","1") = "6"
    & skf21("5","6","6","6","6","1","1","1") = "5"
    & skf21("5","6","6","6","6","1","2","1") = "5"
    & skf21("5","6","6","6","6","1","3","1") = "5"
    & skf21("5","6","6","6","6","1","4","1") = "5"
    & skf21("5","6","6","6","6","1","5","1") = "5"
    & skf21("5","6","6","6","6","1","6","1") = "5"
    & skf21("5","6","6","6","6","1","7","1") = "6"
    & skf21("5","6","6","6","6","2","1","1") = "5"
    & skf21("5","6","6","6","6","2","2","1") = "5"
    & skf21("5","6","6","6","6","2","3","1") = "5"
    & skf21("5","6","6","6","6","2","4","1") = "5"
    & skf21("5","6","6","6","6","2","5","1") = "5"
    & skf21("5","6","6","6","6","2","6","1") = "5"
    & skf21("5","6","6","6","6","2","7","1") = "6"
    & skf21("5","6","6","6","6","3","1","1") = "5"
    & skf21("5","6","6","6","6","3","2","1") = "5"
    & skf21("5","6","6","6","6","3","3","1") = "5"
    & skf21("5","6","6","6","6","3","4","1") = "5"
    & skf21("5","6","6","6","6","3","5","1") = "5"
    & skf21("5","6","6","6","6","3","6","1") = "5"
    & skf21("5","6","6","6","6","3","7","1") = "6"
    & skf21("5","6","6","6","6","4","1","1") = "5"
    & skf21("5","6","6","6","6","4","2","1") = "5"
    & skf21("5","6","6","6","6","4","3","1") = "5"
    & skf21("5","6","6","6","6","4","4","1") = "5"
    & skf21("5","6","6","6","6","4","5","1") = "5"
    & skf21("5","6","6","6","6","4","6","1") = "5"
    & skf21("5","6","6","6","6","4","7","1") = "6"
    & skf21("5","6","6","6","6","5","1","1") = "5"
    & skf21("5","6","6","6","6","5","2","1") = "5"
    & skf21("5","6","6","6","6","5","3","1") = "5"
    & skf21("5","6","6","6","6","5","4","1") = "5"
    & skf21("5","6","6","6","6","5","5","1") = "5"
    & skf21("5","6","6","6","6","5","6","1") = "5"
    & skf21("5","6","6","6","6","5","7","1") = "6"
    & skf21("5","6","6","6","6","6","1","1") = "5"
    & skf21("5","6","6","6","6","6","2","1") = "5"
    & skf21("5","6","6","6","6","6","3","1") = "5"
    & skf21("5","6","6","6","6","6","4","1") = "5"
    & skf21("5","6","6","6","6","6","5","1") = "5"
    & skf21("5","6","6","6","6","6","6","1") = "5"
    & skf21("5","6","6","6","6","6","7","1") = "6"
    & skf21("5","6","6","6","6","7","1","1") = "6"
    & skf21("5","6","6","6","6","7","2","1") = "6"
    & skf21("5","6","6","6","6","7","3","1") = "6"
    & skf21("5","6","6","6","6","7","4","1") = "6"
    & skf21("5","6","6","6","6","7","5","1") = "6"
    & skf21("5","6","6","6","6","7","6","1") = "6"
    & skf21("5","6","6","6","6","7","7","1") = "6"
    & skf21("5","6","6","6","7","1","1","1") = "6"
    & skf21("5","6","6","6","7","1","2","1") = "6"
    & skf21("5","6","6","6","7","1","3","1") = "6"
    & skf21("5","6","6","6","7","1","4","1") = "6"
    & skf21("5","6","6","6","7","1","5","1") = "6"
    & skf21("5","6","6","6","7","1","6","1") = "6"
    & skf21("5","6","6","6","7","1","7","1") = "6"
    & skf21("5","6","6","6","7","2","1","1") = "6"
    & skf21("5","6","6","6","7","2","2","1") = "6"
    & skf21("5","6","6","6","7","2","3","1") = "6"
    & skf21("5","6","6","6","7","2","4","1") = "6"
    & skf21("5","6","6","6","7","2","5","1") = "6"
    & skf21("5","6","6","6","7","2","6","1") = "6"
    & skf21("5","6","6","6","7","2","7","1") = "6"
    & skf21("5","6","6","6","7","3","1","1") = "6"
    & skf21("5","6","6","6","7","3","2","1") = "6"
    & skf21("5","6","6","6","7","3","3","1") = "6"
    & skf21("5","6","6","6","7","3","4","1") = "6"
    & skf21("5","6","6","6","7","3","5","1") = "6"
    & skf21("5","6","6","6","7","3","6","1") = "6"
    & skf21("5","6","6","6","7","3","7","1") = "6"
    & skf21("5","6","6","6","7","4","1","1") = "6"
    & skf21("5","6","6","6","7","4","2","1") = "6"
    & skf21("5","6","6","6","7","4","3","1") = "6"
    & skf21("5","6","6","6","7","4","4","1") = "6"
    & skf21("5","6","6","6","7","4","5","1") = "6"
    & skf21("5","6","6","6","7","4","6","1") = "6"
    & skf21("5","6","6","6","7","4","7","1") = "6"
    & skf21("5","6","6","6","7","5","1","1") = "6"
    & skf21("5","6","6","6","7","5","2","1") = "6"
    & skf21("5","6","6","6","7","5","3","1") = "6"
    & skf21("5","6","6","6","7","5","4","1") = "6"
    & skf21("5","6","6","6","7","5","5","1") = "6"
    & skf21("5","6","6","6","7","5","6","1") = "6"
    & skf21("5","6","6","6","7","5","7","1") = "6"
    & skf21("5","6","6","6","7","6","1","1") = "6"
    & skf21("5","6","6","6","7","6","2","1") = "6"
    & skf21("5","6","6","6","7","6","3","1") = "6"
    & skf21("5","6","6","6","7","6","4","1") = "6"
    & skf21("5","6","6","6","7","6","5","1") = "6"
    & skf21("5","6","6","6","7","6","6","1") = "6"
    & skf21("5","6","6","6","7","6","7","1") = "6"
    & skf21("5","6","6","6","7","7","1","1") = "6"
    & skf21("5","6","6","6","7","7","2","1") = "6"
    & skf21("5","6","6","6","7","7","3","1") = "6"
    & skf21("5","6","6","6","7","7","4","1") = "6"
    & skf21("5","6","6","6","7","7","5","1") = "6"
    & skf21("5","6","6","6","7","7","6","1") = "6"
    & skf21("5","6","6","6","7","7","7","1") = "6"
    & skf21("5","6","6","7","1","1","1","1") = "6"
    & skf21("5","6","6","7","1","1","2","1") = "6"
    & skf21("5","6","6","7","1","1","3","1") = "6"
    & skf21("5","6","6","7","1","1","4","1") = "6"
    & skf21("5","6","6","7","1","1","5","1") = "6"
    & skf21("5","6","6","7","1","1","6","1") = "6"
    & skf21("5","6","6","7","1","1","7","1") = "6"
    & skf21("5","6","6","7","1","2","1","1") = "6"
    & skf21("5","6","6","7","1","2","2","1") = "6"
    & skf21("5","6","6","7","1","2","3","1") = "6"
    & skf21("5","6","6","7","1","2","4","1") = "6"
    & skf21("5","6","6","7","1","2","5","1") = "6"
    & skf21("5","6","6","7","1","2","6","1") = "6"
    & skf21("5","6","6","7","1","2","7","1") = "6"
    & skf21("5","6","6","7","1","3","1","1") = "6"
    & skf21("5","6","6","7","1","3","2","1") = "6"
    & skf21("5","6","6","7","1","3","3","1") = "6"
    & skf21("5","6","6","7","1","3","4","1") = "6"
    & skf21("5","6","6","7","1","3","5","1") = "6"
    & skf21("5","6","6","7","1","3","6","1") = "6"
    & skf21("5","6","6","7","1","3","7","1") = "6"
    & skf21("5","6","6","7","1","4","1","1") = "6"
    & skf21("5","6","6","7","1","4","2","1") = "6"
    & skf21("5","6","6","7","1","4","3","1") = "6"
    & skf21("5","6","6","7","1","4","4","1") = "6"
    & skf21("5","6","6","7","1","4","5","1") = "6"
    & skf21("5","6","6","7","1","4","6","1") = "6"
    & skf21("5","6","6","7","1","4","7","1") = "6"
    & skf21("5","6","6","7","1","5","1","1") = "6"
    & skf21("5","6","6","7","1","5","2","1") = "6"
    & skf21("5","6","6","7","1","5","3","1") = "6"
    & skf21("5","6","6","7","1","5","4","1") = "6"
    & skf21("5","6","6","7","1","5","5","1") = "6"
    & skf21("5","6","6","7","1","5","6","1") = "6"
    & skf21("5","6","6","7","1","5","7","1") = "6"
    & skf21("5","6","6","7","1","6","1","1") = "6"
    & skf21("5","6","6","7","1","6","2","1") = "6"
    & skf21("5","6","6","7","1","6","3","1") = "6"
    & skf21("5","6","6","7","1","6","4","1") = "6"
    & skf21("5","6","6","7","1","6","5","1") = "6"
    & skf21("5","6","6","7","1","6","6","1") = "6"
    & skf21("5","6","6","7","1","6","7","1") = "6"
    & skf21("5","6","6","7","1","7","1","1") = "6"
    & skf21("5","6","6","7","1","7","2","1") = "6"
    & skf21("5","6","6","7","1","7","3","1") = "6"
    & skf21("5","6","6","7","1","7","4","1") = "6"
    & skf21("5","6","6","7","1","7","5","1") = "6"
    & skf21("5","6","6","7","1","7","6","1") = "6"
    & skf21("5","6","6","7","1","7","7","1") = "6"
    & skf21("5","6","6","7","2","1","1","1") = "6"
    & skf21("5","6","6","7","2","1","2","1") = "6"
    & skf21("5","6","6","7","2","1","3","1") = "6"
    & skf21("5","6","6","7","2","1","4","1") = "6"
    & skf21("5","6","6","7","2","1","5","1") = "6"
    & skf21("5","6","6","7","2","1","6","1") = "6"
    & skf21("5","6","6","7","2","1","7","1") = "6"
    & skf21("5","6","6","7","2","2","1","1") = "6"
    & skf21("5","6","6","7","2","2","2","1") = "6"
    & skf21("5","6","6","7","2","2","3","1") = "6"
    & skf21("5","6","6","7","2","2","4","1") = "6"
    & skf21("5","6","6","7","2","2","5","1") = "6"
    & skf21("5","6","6","7","2","2","6","1") = "6"
    & skf21("5","6","6","7","2","2","7","1") = "6"
    & skf21("5","6","6","7","2","3","1","1") = "6"
    & skf21("5","6","6","7","2","3","2","1") = "6"
    & skf21("5","6","6","7","2","3","3","1") = "6"
    & skf21("5","6","6","7","2","3","4","1") = "6"
    & skf21("5","6","6","7","2","3","5","1") = "6"
    & skf21("5","6","6","7","2","3","6","1") = "6"
    & skf21("5","6","6","7","2","3","7","1") = "6"
    & skf21("5","6","6","7","2","4","1","1") = "6"
    & skf21("5","6","6","7","2","4","2","1") = "6"
    & skf21("5","6","6","7","2","4","3","1") = "6"
    & skf21("5","6","6","7","2","4","4","1") = "6"
    & skf21("5","6","6","7","2","4","5","1") = "6"
    & skf21("5","6","6","7","2","4","6","1") = "6"
    & skf21("5","6","6","7","2","4","7","1") = "6"
    & skf21("5","6","6","7","2","5","1","1") = "6"
    & skf21("5","6","6","7","2","5","2","1") = "6"
    & skf21("5","6","6","7","2","5","3","1") = "6"
    & skf21("5","6","6","7","2","5","4","1") = "6"
    & skf21("5","6","6","7","2","5","5","1") = "6"
    & skf21("5","6","6","7","2","5","6","1") = "6"
    & skf21("5","6","6","7","2","5","7","1") = "6"
    & skf21("5","6","6","7","2","6","1","1") = "6"
    & skf21("5","6","6","7","2","6","2","1") = "6"
    & skf21("5","6","6","7","2","6","3","1") = "6"
    & skf21("5","6","6","7","2","6","4","1") = "6"
    & skf21("5","6","6","7","2","6","5","1") = "6"
    & skf21("5","6","6","7","2","6","6","1") = "6"
    & skf21("5","6","6","7","2","6","7","1") = "6"
    & skf21("5","6","6","7","2","7","1","1") = "6"
    & skf21("5","6","6","7","2","7","2","1") = "6"
    & skf21("5","6","6","7","2","7","3","1") = "6"
    & skf21("5","6","6","7","2","7","4","1") = "6"
    & skf21("5","6","6","7","2","7","5","1") = "6"
    & skf21("5","6","6","7","2","7","6","1") = "6"
    & skf21("5","6","6","7","2","7","7","1") = "6"
    & skf21("5","6","6","7","3","1","1","1") = "6"
    & skf21("5","6","6","7","3","1","2","1") = "6"
    & skf21("5","6","6","7","3","1","3","1") = "6"
    & skf21("5","6","6","7","3","1","4","1") = "6"
    & skf21("5","6","6","7","3","1","5","1") = "6"
    & skf21("5","6","6","7","3","1","6","1") = "6"
    & skf21("5","6","6","7","3","1","7","1") = "6"
    & skf21("5","6","6","7","3","2","1","1") = "6"
    & skf21("5","6","6","7","3","2","2","1") = "6"
    & skf21("5","6","6","7","3","2","3","1") = "6"
    & skf21("5","6","6","7","3","2","4","1") = "6"
    & skf21("5","6","6","7","3","2","5","1") = "6"
    & skf21("5","6","6","7","3","2","6","1") = "6"
    & skf21("5","6","6","7","3","2","7","1") = "6"
    & skf21("5","6","6","7","3","3","1","1") = "6"
    & skf21("5","6","6","7","3","3","2","1") = "6"
    & skf21("5","6","6","7","3","3","3","1") = "6"
    & skf21("5","6","6","7","3","3","4","1") = "6"
    & skf21("5","6","6","7","3","3","5","1") = "6"
    & skf21("5","6","6","7","3","3","6","1") = "6"
    & skf21("5","6","6","7","3","3","7","1") = "6"
    & skf21("5","6","6","7","3","4","1","1") = "6"
    & skf21("5","6","6","7","3","4","2","1") = "6"
    & skf21("5","6","6","7","3","4","3","1") = "6"
    & skf21("5","6","6","7","3","4","4","1") = "6"
    & skf21("5","6","6","7","3","4","5","1") = "6"
    & skf21("5","6","6","7","3","4","6","1") = "6"
    & skf21("5","6","6","7","3","4","7","1") = "6"
    & skf21("5","6","6","7","3","5","1","1") = "6"
    & skf21("5","6","6","7","3","5","2","1") = "6"
    & skf21("5","6","6","7","3","5","3","1") = "6"
    & skf21("5","6","6","7","3","5","4","1") = "6"
    & skf21("5","6","6","7","3","5","5","1") = "6"
    & skf21("5","6","6","7","3","5","6","1") = "6"
    & skf21("5","6","6","7","3","5","7","1") = "6"
    & skf21("5","6","6","7","3","6","1","1") = "6"
    & skf21("5","6","6","7","3","6","2","1") = "6"
    & skf21("5","6","6","7","3","6","3","1") = "6"
    & skf21("5","6","6","7","3","6","4","1") = "6"
    & skf21("5","6","6","7","3","6","5","1") = "6"
    & skf21("5","6","6","7","3","6","6","1") = "6"
    & skf21("5","6","6","7","3","6","7","1") = "6"
    & skf21("5","6","6","7","3","7","1","1") = "6"
    & skf21("5","6","6","7","3","7","2","1") = "6"
    & skf21("5","6","6","7","3","7","3","1") = "6"
    & skf21("5","6","6","7","3","7","4","1") = "6"
    & skf21("5","6","6","7","3","7","5","1") = "6"
    & skf21("5","6","6","7","3","7","6","1") = "6"
    & skf21("5","6","6","7","3","7","7","1") = "6"
    & skf21("5","6","6","7","4","1","1","1") = "6"
    & skf21("5","6","6","7","4","1","2","1") = "6"
    & skf21("5","6","6","7","4","1","3","1") = "6"
    & skf21("5","6","6","7","4","1","4","1") = "6"
    & skf21("5","6","6","7","4","1","5","1") = "6"
    & skf21("5","6","6","7","4","1","6","1") = "6"
    & skf21("5","6","6","7","4","1","7","1") = "6"
    & skf21("5","6","6","7","4","2","1","1") = "6"
    & skf21("5","6","6","7","4","2","2","1") = "6"
    & skf21("5","6","6","7","4","2","3","1") = "6"
    & skf21("5","6","6","7","4","2","4","1") = "6"
    & skf21("5","6","6","7","4","2","5","1") = "6"
    & skf21("5","6","6","7","4","2","6","1") = "6"
    & skf21("5","6","6","7","4","2","7","1") = "6"
    & skf21("5","6","6","7","4","3","1","1") = "6"
    & skf21("5","6","6","7","4","3","2","1") = "6"
    & skf21("5","6","6","7","4","3","3","1") = "6"
    & skf21("5","6","6","7","4","3","4","1") = "6"
    & skf21("5","6","6","7","4","3","5","1") = "6"
    & skf21("5","6","6","7","4","3","6","1") = "6"
    & skf21("5","6","6","7","4","3","7","1") = "6"
    & skf21("5","6","6","7","4","4","1","1") = "6"
    & skf21("5","6","6","7","4","4","2","1") = "6"
    & skf21("5","6","6","7","4","4","3","1") = "6"
    & skf21("5","6","6","7","4","4","4","1") = "6"
    & skf21("5","6","6","7","4","4","5","1") = "6"
    & skf21("5","6","6","7","4","4","6","1") = "6"
    & skf21("5","6","6","7","4","4","7","1") = "6"
    & skf21("5","6","6","7","4","5","1","1") = "6"
    & skf21("5","6","6","7","4","5","2","1") = "6"
    & skf21("5","6","6","7","4","5","3","1") = "6"
    & skf21("5","6","6","7","4","5","4","1") = "6"
    & skf21("5","6","6","7","4","5","5","1") = "6"
    & skf21("5","6","6","7","4","5","6","1") = "6"
    & skf21("5","6","6","7","4","5","7","1") = "6"
    & skf21("5","6","6","7","4","6","1","1") = "6"
    & skf21("5","6","6","7","4","6","2","1") = "6"
    & skf21("5","6","6","7","4","6","3","1") = "6"
    & skf21("5","6","6","7","4","6","4","1") = "6"
    & skf21("5","6","6","7","4","6","5","1") = "6"
    & skf21("5","6","6","7","4","6","6","1") = "6"
    & skf21("5","6","6","7","4","6","7","1") = "6"
    & skf21("5","6","6","7","4","7","1","1") = "6"
    & skf21("5","6","6","7","4","7","2","1") = "6"
    & skf21("5","6","6","7","4","7","3","1") = "6"
    & skf21("5","6","6","7","4","7","4","1") = "6"
    & skf21("5","6","6","7","4","7","5","1") = "6"
    & skf21("5","6","6","7","4","7","6","1") = "6"
    & skf21("5","6","6","7","4","7","7","1") = "6"
    & skf21("5","6","6","7","5","1","1","1") = "6"
    & skf21("5","6","6","7","5","1","2","1") = "6"
    & skf21("5","6","6","7","5","1","3","1") = "6"
    & skf21("5","6","6","7","5","1","4","1") = "6"
    & skf21("5","6","6","7","5","1","5","1") = "6"
    & skf21("5","6","6","7","5","1","6","1") = "6"
    & skf21("5","6","6","7","5","1","7","1") = "6"
    & skf21("5","6","6","7","5","2","1","1") = "6"
    & skf21("5","6","6","7","5","2","2","1") = "6"
    & skf21("5","6","6","7","5","2","3","1") = "6"
    & skf21("5","6","6","7","5","2","4","1") = "6"
    & skf21("5","6","6","7","5","2","5","1") = "6"
    & skf21("5","6","6","7","5","2","6","1") = "6"
    & skf21("5","6","6","7","5","2","7","1") = "6"
    & skf21("5","6","6","7","5","3","1","1") = "6"
    & skf21("5","6","6","7","5","3","2","1") = "6"
    & skf21("5","6","6","7","5","3","3","1") = "6"
    & skf21("5","6","6","7","5","3","4","1") = "6"
    & skf21("5","6","6","7","5","3","5","1") = "6"
    & skf21("5","6","6","7","5","3","6","1") = "6"
    & skf21("5","6","6","7","5","3","7","1") = "6"
    & skf21("5","6","6","7","5","4","1","1") = "6"
    & skf21("5","6","6","7","5","4","2","1") = "6"
    & skf21("5","6","6","7","5","4","3","1") = "6"
    & skf21("5","6","6","7","5","4","4","1") = "6"
    & skf21("5","6","6","7","5","4","5","1") = "6"
    & skf21("5","6","6","7","5","4","6","1") = "6"
    & skf21("5","6","6","7","5","4","7","1") = "6"
    & skf21("5","6","6","7","5","5","1","1") = "6"
    & skf21("5","6","6","7","5","5","2","1") = "6"
    & skf21("5","6","6","7","5","5","3","1") = "6"
    & skf21("5","6","6","7","5","5","4","1") = "6"
    & skf21("5","6","6","7","5","5","5","1") = "6"
    & skf21("5","6","6","7","5","5","6","1") = "6"
    & skf21("5","6","6","7","5","5","7","1") = "6"
    & skf21("5","6","6","7","5","6","1","1") = "6"
    & skf21("5","6","6","7","5","6","2","1") = "6"
    & skf21("5","6","6","7","5","6","3","1") = "6"
    & skf21("5","6","6","7","5","6","4","1") = "6"
    & skf21("5","6","6","7","5","6","5","1") = "6"
    & skf21("5","6","6","7","5","6","6","1") = "6"
    & skf21("5","6","6","7","5","6","7","1") = "6"
    & skf21("5","6","6","7","5","7","1","1") = "6"
    & skf21("5","6","6","7","5","7","2","1") = "6"
    & skf21("5","6","6","7","5","7","3","1") = "6"
    & skf21("5","6","6","7","5","7","4","1") = "6"
    & skf21("5","6","6","7","5","7","5","1") = "6"
    & skf21("5","6","6","7","5","7","6","1") = "6"
    & skf21("5","6","6","7","5","7","7","1") = "6"
    & skf21("5","6","6","7","6","1","1","1") = "6"
    & skf21("5","6","6","7","6","1","2","1") = "6"
    & skf21("5","6","6","7","6","1","3","1") = "6"
    & skf21("5","6","6","7","6","1","4","1") = "6"
    & skf21("5","6","6","7","6","1","5","1") = "6"
    & skf21("5","6","6","7","6","1","6","1") = "6"
    & skf21("5","6","6","7","6","1","7","1") = "6"
    & skf21("5","6","6","7","6","2","1","1") = "6"
    & skf21("5","6","6","7","6","2","2","1") = "6"
    & skf21("5","6","6","7","6","2","3","1") = "6"
    & skf21("5","6","6","7","6","2","4","1") = "6"
    & skf21("5","6","6","7","6","2","5","1") = "6"
    & skf21("5","6","6","7","6","2","6","1") = "6"
    & skf21("5","6","6","7","6","2","7","1") = "6"
    & skf21("5","6","6","7","6","3","1","1") = "6"
    & skf21("5","6","6","7","6","3","2","1") = "6"
    & skf21("5","6","6","7","6","3","3","1") = "6"
    & skf21("5","6","6","7","6","3","4","1") = "6"
    & skf21("5","6","6","7","6","3","5","1") = "6"
    & skf21("5","6","6","7","6","3","6","1") = "6"
    & skf21("5","6","6","7","6","3","7","1") = "6"
    & skf21("5","6","6","7","6","4","1","1") = "6"
    & skf21("5","6","6","7","6","4","2","1") = "6"
    & skf21("5","6","6","7","6","4","3","1") = "6"
    & skf21("5","6","6","7","6","4","4","1") = "6"
    & skf21("5","6","6","7","6","4","5","1") = "6"
    & skf21("5","6","6","7","6","4","6","1") = "6"
    & skf21("5","6","6","7","6","4","7","1") = "6"
    & skf21("5","6","6","7","6","5","1","1") = "6"
    & skf21("5","6","6","7","6","5","2","1") = "6"
    & skf21("5","6","6","7","6","5","3","1") = "6"
    & skf21("5","6","6","7","6","5","4","1") = "6"
    & skf21("5","6","6","7","6","5","5","1") = "6"
    & skf21("5","6","6","7","6","5","6","1") = "6"
    & skf21("5","6","6","7","6","5","7","1") = "6"
    & skf21("5","6","6","7","6","6","1","1") = "6"
    & skf21("5","6","6","7","6","6","2","1") = "6"
    & skf21("5","6","6","7","6","6","3","1") = "6"
    & skf21("5","6","6","7","6","6","4","1") = "6"
    & skf21("5","6","6","7","6","6","5","1") = "6"
    & skf21("5","6","6","7","6","6","6","1") = "6"
    & skf21("5","6","6","7","6","6","7","1") = "6"
    & skf21("5","6","6","7","6","7","1","1") = "6"
    & skf21("5","6","6","7","6","7","2","1") = "6"
    & skf21("5","6","6","7","6","7","3","1") = "6"
    & skf21("5","6","6","7","6","7","4","1") = "6"
    & skf21("5","6","6","7","6","7","5","1") = "6"
    & skf21("5","6","6","7","6","7","6","1") = "6"
    & skf21("5","6","6","7","6","7","7","1") = "6"
    & skf21("5","6","6","7","7","1","1","1") = "6"
    & skf21("5","6","6","7","7","1","2","1") = "6"
    & skf21("5","6","6","7","7","1","3","1") = "6"
    & skf21("5","6","6","7","7","1","4","1") = "6"
    & skf21("5","6","6","7","7","1","5","1") = "6"
    & skf21("5","6","6","7","7","1","6","1") = "6"
    & skf21("5","6","6","7","7","1","7","1") = "6"
    & skf21("5","6","6","7","7","2","1","1") = "6"
    & skf21("5","6","6","7","7","2","2","1") = "6"
    & skf21("5","6","6","7","7","2","3","1") = "6"
    & skf21("5","6","6","7","7","2","4","1") = "6"
    & skf21("5","6","6","7","7","2","5","1") = "6"
    & skf21("5","6","6","7","7","2","6","1") = "6"
    & skf21("5","6","6","7","7","2","7","1") = "6"
    & skf21("5","6","6","7","7","3","1","1") = "6"
    & skf21("5","6","6","7","7","3","2","1") = "6"
    & skf21("5","6","6","7","7","3","3","1") = "6"
    & skf21("5","6","6","7","7","3","4","1") = "6"
    & skf21("5","6","6","7","7","3","5","1") = "6"
    & skf21("5","6","6","7","7","3","6","1") = "6"
    & skf21("5","6","6","7","7","3","7","1") = "6"
    & skf21("5","6","6","7","7","4","1","1") = "6"
    & skf21("5","6","6","7","7","4","2","1") = "6"
    & skf21("5","6","6","7","7","4","3","1") = "6"
    & skf21("5","6","6","7","7","4","4","1") = "6"
    & skf21("5","6","6","7","7","4","5","1") = "6"
    & skf21("5","6","6","7","7","4","6","1") = "6"
    & skf21("5","6","6","7","7","4","7","1") = "6"
    & skf21("5","6","6","7","7","5","1","1") = "6"
    & skf21("5","6","6","7","7","5","2","1") = "6"
    & skf21("5","6","6","7","7","5","3","1") = "6"
    & skf21("5","6","6","7","7","5","4","1") = "6"
    & skf21("5","6","6","7","7","5","5","1") = "6"
    & skf21("5","6","6","7","7","5","6","1") = "6"
    & skf21("5","6","6","7","7","5","7","1") = "6"
    & skf21("5","6","6","7","7","6","1","1") = "6"
    & skf21("5","6","6","7","7","6","2","1") = "6"
    & skf21("5","6","6","7","7","6","3","1") = "6"
    & skf21("5","6","6","7","7","6","4","1") = "6"
    & skf21("5","6","6","7","7","6","5","1") = "6"
    & skf21("5","6","6","7","7","6","6","1") = "6"
    & skf21("5","6","6","7","7","6","7","1") = "6"
    & skf21("5","6","6","7","7","7","1","1") = "6"
    & skf21("5","6","6","7","7","7","2","1") = "6"
    & skf21("5","6","6","7","7","7","3","1") = "6"
    & skf21("5","6","6","7","7","7","4","1") = "6"
    & skf21("5","6","6","7","7","7","5","1") = "6"
    & skf21("5","6","6","7","7","7","6","1") = "6"
    & skf21("5","6","6","7","7","7","7","1") = "6"
    & skf21("5","6","7","1","1","1","1","1") = "6"
    & skf21("5","6","7","1","1","1","2","1") = "6"
    & skf21("5","6","7","1","1","1","3","1") = "6"
    & skf21("5","6","7","1","1","1","4","1") = "6"
    & skf21("5","6","7","1","1","1","5","1") = "6"
    & skf21("5","6","7","1","1","1","6","1") = "6"
    & skf21("5","6","7","1","1","1","7","1") = "6"
    & skf21("5","6","7","1","1","2","1","1") = "6"
    & skf21("5","6","7","1","1","2","2","1") = "6"
    & skf21("5","6","7","1","1","2","3","1") = "6"
    & skf21("5","6","7","1","1","2","4","1") = "6"
    & skf21("5","6","7","1","1","2","5","1") = "6"
    & skf21("5","6","7","1","1","2","6","1") = "6"
    & skf21("5","6","7","1","1","2","7","1") = "6"
    & skf21("5","6","7","1","1","3","1","1") = "6"
    & skf21("5","6","7","1","1","3","2","1") = "6"
    & skf21("5","6","7","1","1","3","3","1") = "6"
    & skf21("5","6","7","1","1","3","4","1") = "6"
    & skf21("5","6","7","1","1","3","5","1") = "6"
    & skf21("5","6","7","1","1","3","6","1") = "6"
    & skf21("5","6","7","1","1","3","7","1") = "6"
    & skf21("5","6","7","1","1","4","1","1") = "6"
    & skf21("5","6","7","1","1","4","2","1") = "6"
    & skf21("5","6","7","1","1","4","3","1") = "6"
    & skf21("5","6","7","1","1","4","4","1") = "6"
    & skf21("5","6","7","1","1","4","5","1") = "6"
    & skf21("5","6","7","1","1","4","6","1") = "6"
    & skf21("5","6","7","1","1","4","7","1") = "6"
    & skf21("5","6","7","1","1","5","1","1") = "6"
    & skf21("5","6","7","1","1","5","2","1") = "6"
    & skf21("5","6","7","1","1","5","3","1") = "6"
    & skf21("5","6","7","1","1","5","4","1") = "6"
    & skf21("5","6","7","1","1","5","5","1") = "6"
    & skf21("5","6","7","1","1","5","6","1") = "6"
    & skf21("5","6","7","1","1","5","7","1") = "6"
    & skf21("5","6","7","1","1","6","1","1") = "6"
    & skf21("5","6","7","1","1","6","2","1") = "6"
    & skf21("5","6","7","1","1","6","3","1") = "6"
    & skf21("5","6","7","1","1","6","4","1") = "6"
    & skf21("5","6","7","1","1","6","5","1") = "6"
    & skf21("5","6","7","1","1","6","6","1") = "6"
    & skf21("5","6","7","1","1","6","7","1") = "6"
    & skf21("5","6","7","1","1","7","1","1") = "6"
    & skf21("5","6","7","1","1","7","2","1") = "6"
    & skf21("5","6","7","1","1","7","3","1") = "6"
    & skf21("5","6","7","1","1","7","4","1") = "6"
    & skf21("5","6","7","1","1","7","5","1") = "6"
    & skf21("5","6","7","1","1","7","6","1") = "6"
    & skf21("5","6","7","1","1","7","7","1") = "6"
    & skf21("5","6","7","1","2","1","1","1") = "6"
    & skf21("5","6","7","1","2","1","2","1") = "6"
    & skf21("5","6","7","1","2","1","3","1") = "6"
    & skf21("5","6","7","1","2","1","4","1") = "6"
    & skf21("5","6","7","1","2","1","5","1") = "6"
    & skf21("5","6","7","1","2","1","6","1") = "6"
    & skf21("5","6","7","1","2","1","7","1") = "6"
    & skf21("5","6","7","1","2","2","1","1") = "6"
    & skf21("5","6","7","1","2","2","2","1") = "6"
    & skf21("5","6","7","1","2","2","3","1") = "6"
    & skf21("5","6","7","1","2","2","4","1") = "6"
    & skf21("5","6","7","1","2","2","5","1") = "6"
    & skf21("5","6","7","1","2","2","6","1") = "6"
    & skf21("5","6","7","1","2","2","7","1") = "6"
    & skf21("5","6","7","1","2","3","1","1") = "6"
    & skf21("5","6","7","1","2","3","2","1") = "6"
    & skf21("5","6","7","1","2","3","3","1") = "6"
    & skf21("5","6","7","1","2","3","4","1") = "6"
    & skf21("5","6","7","1","2","3","5","1") = "6"
    & skf21("5","6","7","1","2","3","6","1") = "6"
    & skf21("5","6","7","1","2","3","7","1") = "6"
    & skf21("5","6","7","1","2","4","1","1") = "6"
    & skf21("5","6","7","1","2","4","2","1") = "6"
    & skf21("5","6","7","1","2","4","3","1") = "6"
    & skf21("5","6","7","1","2","4","4","1") = "6"
    & skf21("5","6","7","1","2","4","5","1") = "6"
    & skf21("5","6","7","1","2","4","6","1") = "6"
    & skf21("5","6","7","1","2","4","7","1") = "6"
    & skf21("5","6","7","1","2","5","1","1") = "6"
    & skf21("5","6","7","1","2","5","2","1") = "6"
    & skf21("5","6","7","1","2","5","3","1") = "6"
    & skf21("5","6","7","1","2","5","4","1") = "6"
    & skf21("5","6","7","1","2","5","5","1") = "6"
    & skf21("5","6","7","1","2","5","6","1") = "6"
    & skf21("5","6","7","1","2","5","7","1") = "6"
    & skf21("5","6","7","1","2","6","1","1") = "6"
    & skf21("5","6","7","1","2","6","2","1") = "6"
    & skf21("5","6","7","1","2","6","3","1") = "6"
    & skf21("5","6","7","1","2","6","4","1") = "6"
    & skf21("5","6","7","1","2","6","5","1") = "6"
    & skf21("5","6","7","1","2","6","6","1") = "6"
    & skf21("5","6","7","1","2","6","7","1") = "6"
    & skf21("5","6","7","1","2","7","1","1") = "6"
    & skf21("5","6","7","1","2","7","2","1") = "6"
    & skf21("5","6","7","1","2","7","3","1") = "6"
    & skf21("5","6","7","1","2","7","4","1") = "6"
    & skf21("5","6","7","1","2","7","5","1") = "6"
    & skf21("5","6","7","1","2","7","6","1") = "6"
    & skf21("5","6","7","1","2","7","7","1") = "6"
    & skf21("5","6","7","1","3","1","1","1") = "6"
    & skf21("5","6","7","1","3","1","2","1") = "6"
    & skf21("5","6","7","1","3","1","3","1") = "6"
    & skf21("5","6","7","1","3","1","4","1") = "6"
    & skf21("5","6","7","1","3","1","5","1") = "6"
    & skf21("5","6","7","1","3","1","6","1") = "6"
    & skf21("5","6","7","1","3","1","7","1") = "6"
    & skf21("5","6","7","1","3","2","1","1") = "6"
    & skf21("5","6","7","1","3","2","2","1") = "6"
    & skf21("5","6","7","1","3","2","3","1") = "6"
    & skf21("5","6","7","1","3","2","4","1") = "6"
    & skf21("5","6","7","1","3","2","5","1") = "6"
    & skf21("5","6","7","1","3","2","6","1") = "6"
    & skf21("5","6","7","1","3","2","7","1") = "6"
    & skf21("5","6","7","1","3","3","1","1") = "6"
    & skf21("5","6","7","1","3","3","2","1") = "6"
    & skf21("5","6","7","1","3","3","3","1") = "6"
    & skf21("5","6","7","1","3","3","4","1") = "6"
    & skf21("5","6","7","1","3","3","5","1") = "6"
    & skf21("5","6","7","1","3","3","6","1") = "6"
    & skf21("5","6","7","1","3","3","7","1") = "6"
    & skf21("5","6","7","1","3","4","1","1") = "6"
    & skf21("5","6","7","1","3","4","2","1") = "6"
    & skf21("5","6","7","1","3","4","3","1") = "6"
    & skf21("5","6","7","1","3","4","4","1") = "6"
    & skf21("5","6","7","1","3","4","5","1") = "6"
    & skf21("5","6","7","1","3","4","6","1") = "6"
    & skf21("5","6","7","1","3","4","7","1") = "6"
    & skf21("5","6","7","1","3","5","1","1") = "6"
    & skf21("5","6","7","1","3","5","2","1") = "6"
    & skf21("5","6","7","1","3","5","3","1") = "6"
    & skf21("5","6","7","1","3","5","4","1") = "6"
    & skf21("5","6","7","1","3","5","5","1") = "6"
    & skf21("5","6","7","1","3","5","6","1") = "6"
    & skf21("5","6","7","1","3","5","7","1") = "6"
    & skf21("5","6","7","1","3","6","1","1") = "6"
    & skf21("5","6","7","1","3","6","2","1") = "6"
    & skf21("5","6","7","1","3","6","3","1") = "6"
    & skf21("5","6","7","1","3","6","4","1") = "6"
    & skf21("5","6","7","1","3","6","5","1") = "6"
    & skf21("5","6","7","1","3","6","6","1") = "6"
    & skf21("5","6","7","1","3","6","7","1") = "6"
    & skf21("5","6","7","1","3","7","1","1") = "6"
    & skf21("5","6","7","1","3","7","2","1") = "6"
    & skf21("5","6","7","1","3","7","3","1") = "6"
    & skf21("5","6","7","1","3","7","4","1") = "6"
    & skf21("5","6","7","1","3","7","5","1") = "6"
    & skf21("5","6","7","1","3","7","6","1") = "6"
    & skf21("5","6","7","1","3","7","7","1") = "6"
    & skf21("5","6","7","1","4","1","1","1") = "6"
    & skf21("5","6","7","1","4","1","2","1") = "6"
    & skf21("5","6","7","1","4","1","3","1") = "6"
    & skf21("5","6","7","1","4","1","4","1") = "6"
    & skf21("5","6","7","1","4","1","5","1") = "6"
    & skf21("5","6","7","1","4","1","6","1") = "6"
    & skf21("5","6","7","1","4","1","7","1") = "6"
    & skf21("5","6","7","1","4","2","1","1") = "6"
    & skf21("5","6","7","1","4","2","2","1") = "6"
    & skf21("5","6","7","1","4","2","3","1") = "6"
    & skf21("5","6","7","1","4","2","4","1") = "6"
    & skf21("5","6","7","1","4","2","5","1") = "6"
    & skf21("5","6","7","1","4","2","6","1") = "6"
    & skf21("5","6","7","1","4","2","7","1") = "6"
    & skf21("5","6","7","1","4","3","1","1") = "6"
    & skf21("5","6","7","1","4","3","2","1") = "6"
    & skf21("5","6","7","1","4","3","3","1") = "6"
    & skf21("5","6","7","1","4","3","4","1") = "6"
    & skf21("5","6","7","1","4","3","5","1") = "6"
    & skf21("5","6","7","1","4","3","6","1") = "6"
    & skf21("5","6","7","1","4","3","7","1") = "6"
    & skf21("5","6","7","1","4","4","1","1") = "6"
    & skf21("5","6","7","1","4","4","2","1") = "6"
    & skf21("5","6","7","1","4","4","3","1") = "6"
    & skf21("5","6","7","1","4","4","4","1") = "6"
    & skf21("5","6","7","1","4","4","5","1") = "6"
    & skf21("5","6","7","1","4","4","6","1") = "6"
    & skf21("5","6","7","1","4","4","7","1") = "6"
    & skf21("5","6","7","1","4","5","1","1") = "6"
    & skf21("5","6","7","1","4","5","2","1") = "6"
    & skf21("5","6","7","1","4","5","3","1") = "6"
    & skf21("5","6","7","1","4","5","4","1") = "6"
    & skf21("5","6","7","1","4","5","5","1") = "6"
    & skf21("5","6","7","1","4","5","6","1") = "6"
    & skf21("5","6","7","1","4","5","7","1") = "6"
    & skf21("5","6","7","1","4","6","1","1") = "6"
    & skf21("5","6","7","1","4","6","2","1") = "6"
    & skf21("5","6","7","1","4","6","3","1") = "6"
    & skf21("5","6","7","1","4","6","4","1") = "6"
    & skf21("5","6","7","1","4","6","5","1") = "6"
    & skf21("5","6","7","1","4","6","6","1") = "6"
    & skf21("5","6","7","1","4","6","7","1") = "6"
    & skf21("5","6","7","1","4","7","1","1") = "6"
    & skf21("5","6","7","1","4","7","2","1") = "6"
    & skf21("5","6","7","1","4","7","3","1") = "6"
    & skf21("5","6","7","1","4","7","4","1") = "6"
    & skf21("5","6","7","1","4","7","5","1") = "6"
    & skf21("5","6","7","1","4","7","6","1") = "6"
    & skf21("5","6","7","1","4","7","7","1") = "6"
    & skf21("5","6","7","1","5","1","1","1") = "6"
    & skf21("5","6","7","1","5","1","2","1") = "6"
    & skf21("5","6","7","1","5","1","3","1") = "6"
    & skf21("5","6","7","1","5","1","4","1") = "6"
    & skf21("5","6","7","1","5","1","5","1") = "6"
    & skf21("5","6","7","1","5","1","6","1") = "6"
    & skf21("5","6","7","1","5","1","7","1") = "6"
    & skf21("5","6","7","1","5","2","1","1") = "6"
    & skf21("5","6","7","1","5","2","2","1") = "6"
    & skf21("5","6","7","1","5","2","3","1") = "6"
    & skf21("5","6","7","1","5","2","4","1") = "6"
    & skf21("5","6","7","1","5","2","5","1") = "6"
    & skf21("5","6","7","1","5","2","6","1") = "6"
    & skf21("5","6","7","1","5","2","7","1") = "6"
    & skf21("5","6","7","1","5","3","1","1") = "6"
    & skf21("5","6","7","1","5","3","2","1") = "6"
    & skf21("5","6","7","1","5","3","3","1") = "6"
    & skf21("5","6","7","1","5","3","4","1") = "6"
    & skf21("5","6","7","1","5","3","5","1") = "6"
    & skf21("5","6","7","1","5","3","6","1") = "6"
    & skf21("5","6","7","1","5","3","7","1") = "6"
    & skf21("5","6","7","1","5","4","1","1") = "6"
    & skf21("5","6","7","1","5","4","2","1") = "6"
    & skf21("5","6","7","1","5","4","3","1") = "6"
    & skf21("5","6","7","1","5","4","4","1") = "6"
    & skf21("5","6","7","1","5","4","5","1") = "6"
    & skf21("5","6","7","1","5","4","6","1") = "6"
    & skf21("5","6","7","1","5","4","7","1") = "6"
    & skf21("5","6","7","1","5","5","1","1") = "6"
    & skf21("5","6","7","1","5","5","2","1") = "6"
    & skf21("5","6","7","1","5","5","3","1") = "6"
    & skf21("5","6","7","1","5","5","4","1") = "6"
    & skf21("5","6","7","1","5","5","5","1") = "6"
    & skf21("5","6","7","1","5","5","6","1") = "6"
    & skf21("5","6","7","1","5","5","7","1") = "6"
    & skf21("5","6","7","1","5","6","1","1") = "6"
    & skf21("5","6","7","1","5","6","2","1") = "6"
    & skf21("5","6","7","1","5","6","3","1") = "6"
    & skf21("5","6","7","1","5","6","4","1") = "6"
    & skf21("5","6","7","1","5","6","5","1") = "6"
    & skf21("5","6","7","1","5","6","6","1") = "6"
    & skf21("5","6","7","1","5","6","7","1") = "6"
    & skf21("5","6","7","1","5","7","1","1") = "6"
    & skf21("5","6","7","1","5","7","2","1") = "6"
    & skf21("5","6","7","1","5","7","3","1") = "6"
    & skf21("5","6","7","1","5","7","4","1") = "6"
    & skf21("5","6","7","1","5","7","5","1") = "6"
    & skf21("5","6","7","1","5","7","6","1") = "6"
    & skf21("5","6","7","1","5","7","7","1") = "6"
    & skf21("5","6","7","1","6","1","1","1") = "6"
    & skf21("5","6","7","1","6","1","2","1") = "6"
    & skf21("5","6","7","1","6","1","3","1") = "6"
    & skf21("5","6","7","1","6","1","4","1") = "6"
    & skf21("5","6","7","1","6","1","5","1") = "6"
    & skf21("5","6","7","1","6","1","6","1") = "6"
    & skf21("5","6","7","1","6","1","7","1") = "6"
    & skf21("5","6","7","1","6","2","1","1") = "6"
    & skf21("5","6","7","1","6","2","2","1") = "6"
    & skf21("5","6","7","1","6","2","3","1") = "6"
    & skf21("5","6","7","1","6","2","4","1") = "6"
    & skf21("5","6","7","1","6","2","5","1") = "6"
    & skf21("5","6","7","1","6","2","6","1") = "6"
    & skf21("5","6","7","1","6","2","7","1") = "6"
    & skf21("5","6","7","1","6","3","1","1") = "6"
    & skf21("5","6","7","1","6","3","2","1") = "6"
    & skf21("5","6","7","1","6","3","3","1") = "6"
    & skf21("5","6","7","1","6","3","4","1") = "6"
    & skf21("5","6","7","1","6","3","5","1") = "6"
    & skf21("5","6","7","1","6","3","6","1") = "6"
    & skf21("5","6","7","1","6","3","7","1") = "6"
    & skf21("5","6","7","1","6","4","1","1") = "6"
    & skf21("5","6","7","1","6","4","2","1") = "6"
    & skf21("5","6","7","1","6","4","3","1") = "6"
    & skf21("5","6","7","1","6","4","4","1") = "6"
    & skf21("5","6","7","1","6","4","5","1") = "6"
    & skf21("5","6","7","1","6","4","6","1") = "6"
    & skf21("5","6","7","1","6","4","7","1") = "6"
    & skf21("5","6","7","1","6","5","1","1") = "6"
    & skf21("5","6","7","1","6","5","2","1") = "6"
    & skf21("5","6","7","1","6","5","3","1") = "6"
    & skf21("5","6","7","1","6","5","4","1") = "6"
    & skf21("5","6","7","1","6","5","5","1") = "6"
    & skf21("5","6","7","1","6","5","6","1") = "6"
    & skf21("5","6","7","1","6","5","7","1") = "6"
    & skf21("5","6","7","1","6","6","1","1") = "6"
    & skf21("5","6","7","1","6","6","2","1") = "6"
    & skf21("5","6","7","1","6","6","3","1") = "6"
    & skf21("5","6","7","1","6","6","4","1") = "6"
    & skf21("5","6","7","1","6","6","5","1") = "6"
    & skf21("5","6","7","1","6","6","6","1") = "6"
    & skf21("5","6","7","1","6","6","7","1") = "6"
    & skf21("5","6","7","1","6","7","1","1") = "6"
    & skf21("5","6","7","1","6","7","2","1") = "6"
    & skf21("5","6","7","1","6","7","3","1") = "6"
    & skf21("5","6","7","1","6","7","4","1") = "6"
    & skf21("5","6","7","1","6","7","5","1") = "6"
    & skf21("5","6","7","1","6","7","6","1") = "6"
    & skf21("5","6","7","1","6","7","7","1") = "6"
    & skf21("5","6","7","1","7","1","1","1") = "6"
    & skf21("5","6","7","1","7","1","2","1") = "6"
    & skf21("5","6","7","1","7","1","3","1") = "6"
    & skf21("5","6","7","1","7","1","4","1") = "6"
    & skf21("5","6","7","1","7","1","5","1") = "6"
    & skf21("5","6","7","1","7","1","6","1") = "6"
    & skf21("5","6","7","1","7","1","7","1") = "6"
    & skf21("5","6","7","1","7","2","1","1") = "6"
    & skf21("5","6","7","1","7","2","2","1") = "6"
    & skf21("5","6","7","1","7","2","3","1") = "6"
    & skf21("5","6","7","1","7","2","4","1") = "6"
    & skf21("5","6","7","1","7","2","5","1") = "6"
    & skf21("5","6","7","1","7","2","6","1") = "6"
    & skf21("5","6","7","1","7","2","7","1") = "6"
    & skf21("5","6","7","1","7","3","1","1") = "6"
    & skf21("5","6","7","1","7","3","2","1") = "6"
    & skf21("5","6","7","1","7","3","3","1") = "6"
    & skf21("5","6","7","1","7","3","4","1") = "6"
    & skf21("5","6","7","1","7","3","5","1") = "6"
    & skf21("5","6","7","1","7","3","6","1") = "6"
    & skf21("5","6","7","1","7","3","7","1") = "6"
    & skf21("5","6","7","1","7","4","1","1") = "6"
    & skf21("5","6","7","1","7","4","2","1") = "6"
    & skf21("5","6","7","1","7","4","3","1") = "6"
    & skf21("5","6","7","1","7","4","4","1") = "6"
    & skf21("5","6","7","1","7","4","5","1") = "6"
    & skf21("5","6","7","1","7","4","6","1") = "6"
    & skf21("5","6","7","1","7","4","7","1") = "6"
    & skf21("5","6","7","1","7","5","1","1") = "6"
    & skf21("5","6","7","1","7","5","2","1") = "6"
    & skf21("5","6","7","1","7","5","3","1") = "6"
    & skf21("5","6","7","1","7","5","4","1") = "6"
    & skf21("5","6","7","1","7","5","5","1") = "6"
    & skf21("5","6","7","1","7","5","6","1") = "6"
    & skf21("5","6","7","1","7","5","7","1") = "6"
    & skf21("5","6","7","1","7","6","1","1") = "6"
    & skf21("5","6","7","1","7","6","2","1") = "6"
    & skf21("5","6","7","1","7","6","3","1") = "6"
    & skf21("5","6","7","1","7","6","4","1") = "6"
    & skf21("5","6","7","1","7","6","5","1") = "6"
    & skf21("5","6","7","1","7","6","6","1") = "6"
    & skf21("5","6","7","1","7","6","7","1") = "6"
    & skf21("5","6","7","1","7","7","1","1") = "6"
    & skf21("5","6","7","1","7","7","2","1") = "6"
    & skf21("5","6","7","1","7","7","3","1") = "6"
    & skf21("5","6","7","1","7","7","4","1") = "6"
    & skf21("5","6","7","1","7","7","5","1") = "6"
    & skf21("5","6","7","1","7","7","6","1") = "6"
    & skf21("5","6","7","1","7","7","7","1") = "6"
    & skf21("5","6","7","2","1","1","1","1") = "6"
    & skf21("5","6","7","2","1","1","2","1") = "6"
    & skf21("5","6","7","2","1","1","3","1") = "6"
    & skf21("5","6","7","2","1","1","4","1") = "6"
    & skf21("5","6","7","2","1","1","5","1") = "6"
    & skf21("5","6","7","2","1","1","6","1") = "6"
    & skf21("5","6","7","2","1","1","7","1") = "6"
    & skf21("5","6","7","2","1","2","1","1") = "6"
    & skf21("5","6","7","2","1","2","2","1") = "6"
    & skf21("5","6","7","2","1","2","3","1") = "6"
    & skf21("5","6","7","2","1","2","4","1") = "6"
    & skf21("5","6","7","2","1","2","5","1") = "6"
    & skf21("5","6","7","2","1","2","6","1") = "6"
    & skf21("5","6","7","2","1","2","7","1") = "6"
    & skf21("5","6","7","2","1","3","1","1") = "6"
    & skf21("5","6","7","2","1","3","2","1") = "6"
    & skf21("5","6","7","2","1","3","3","1") = "6"
    & skf21("5","6","7","2","1","3","4","1") = "6"
    & skf21("5","6","7","2","1","3","5","1") = "6"
    & skf21("5","6","7","2","1","3","6","1") = "6"
    & skf21("5","6","7","2","1","3","7","1") = "6"
    & skf21("5","6","7","2","1","4","1","1") = "6"
    & skf21("5","6","7","2","1","4","2","1") = "6"
    & skf21("5","6","7","2","1","4","3","1") = "6"
    & skf21("5","6","7","2","1","4","4","1") = "6"
    & skf21("5","6","7","2","1","4","5","1") = "6"
    & skf21("5","6","7","2","1","4","6","1") = "6"
    & skf21("5","6","7","2","1","4","7","1") = "6"
    & skf21("5","6","7","2","1","5","1","1") = "6"
    & skf21("5","6","7","2","1","5","2","1") = "6"
    & skf21("5","6","7","2","1","5","3","1") = "6"
    & skf21("5","6","7","2","1","5","4","1") = "6"
    & skf21("5","6","7","2","1","5","5","1") = "6"
    & skf21("5","6","7","2","1","5","6","1") = "6"
    & skf21("5","6","7","2","1","5","7","1") = "6"
    & skf21("5","6","7","2","1","6","1","1") = "6"
    & skf21("5","6","7","2","1","6","2","1") = "6"
    & skf21("5","6","7","2","1","6","3","1") = "6"
    & skf21("5","6","7","2","1","6","4","1") = "6"
    & skf21("5","6","7","2","1","6","5","1") = "6"
    & skf21("5","6","7","2","1","6","6","1") = "6"
    & skf21("5","6","7","2","1","6","7","1") = "6"
    & skf21("5","6","7","2","1","7","1","1") = "6"
    & skf21("5","6","7","2","1","7","2","1") = "6"
    & skf21("5","6","7","2","1","7","3","1") = "6"
    & skf21("5","6","7","2","1","7","4","1") = "6"
    & skf21("5","6","7","2","1","7","5","1") = "6"
    & skf21("5","6","7","2","1","7","6","1") = "6"
    & skf21("5","6","7","2","1","7","7","1") = "6"
    & skf21("5","6","7","2","2","1","1","1") = "6"
    & skf21("5","6","7","2","2","1","2","1") = "6"
    & skf21("5","6","7","2","2","1","3","1") = "6"
    & skf21("5","6","7","2","2","1","4","1") = "6"
    & skf21("5","6","7","2","2","1","5","1") = "6"
    & skf21("5","6","7","2","2","1","6","1") = "6"
    & skf21("5","6","7","2","2","1","7","1") = "6"
    & skf21("5","6","7","2","2","2","1","1") = "6"
    & skf21("5","6","7","2","2","2","2","1") = "6"
    & skf21("5","6","7","2","2","2","3","1") = "6"
    & skf21("5","6","7","2","2","2","4","1") = "6"
    & skf21("5","6","7","2","2","2","5","1") = "6"
    & skf21("5","6","7","2","2","2","6","1") = "6"
    & skf21("5","6","7","2","2","2","7","1") = "6"
    & skf21("5","6","7","2","2","3","1","1") = "6"
    & skf21("5","6","7","2","2","3","2","1") = "6"
    & skf21("5","6","7","2","2","3","3","1") = "6"
    & skf21("5","6","7","2","2","3","4","1") = "6"
    & skf21("5","6","7","2","2","3","5","1") = "6"
    & skf21("5","6","7","2","2","3","6","1") = "6"
    & skf21("5","6","7","2","2","3","7","1") = "6"
    & skf21("5","6","7","2","2","4","1","1") = "6"
    & skf21("5","6","7","2","2","4","2","1") = "6"
    & skf21("5","6","7","2","2","4","3","1") = "6"
    & skf21("5","6","7","2","2","4","4","1") = "6"
    & skf21("5","6","7","2","2","4","5","1") = "6"
    & skf21("5","6","7","2","2","4","6","1") = "6"
    & skf21("5","6","7","2","2","4","7","1") = "6"
    & skf21("5","6","7","2","2","5","1","1") = "6"
    & skf21("5","6","7","2","2","5","2","1") = "6"
    & skf21("5","6","7","2","2","5","3","1") = "6"
    & skf21("5","6","7","2","2","5","4","1") = "6"
    & skf21("5","6","7","2","2","5","5","1") = "6"
    & skf21("5","6","7","2","2","5","6","1") = "6"
    & skf21("5","6","7","2","2","5","7","1") = "6"
    & skf21("5","6","7","2","2","6","1","1") = "6"
    & skf21("5","6","7","2","2","6","2","1") = "6"
    & skf21("5","6","7","2","2","6","3","1") = "6"
    & skf21("5","6","7","2","2","6","4","1") = "6"
    & skf21("5","6","7","2","2","6","5","1") = "6"
    & skf21("5","6","7","2","2","6","6","1") = "6"
    & skf21("5","6","7","2","2","6","7","1") = "6"
    & skf21("5","6","7","2","2","7","1","1") = "6"
    & skf21("5","6","7","2","2","7","2","1") = "6"
    & skf21("5","6","7","2","2","7","3","1") = "6"
    & skf21("5","6","7","2","2","7","4","1") = "6"
    & skf21("5","6","7","2","2","7","5","1") = "6"
    & skf21("5","6","7","2","2","7","6","1") = "6"
    & skf21("5","6","7","2","2","7","7","1") = "6"
    & skf21("5","6","7","2","3","1","1","1") = "6"
    & skf21("5","6","7","2","3","1","2","1") = "6"
    & skf21("5","6","7","2","3","1","3","1") = "6"
    & skf21("5","6","7","2","3","1","4","1") = "6"
    & skf21("5","6","7","2","3","1","5","1") = "6"
    & skf21("5","6","7","2","3","1","6","1") = "6"
    & skf21("5","6","7","2","3","1","7","1") = "6"
    & skf21("5","6","7","2","3","2","1","1") = "6"
    & skf21("5","6","7","2","3","2","2","1") = "6"
    & skf21("5","6","7","2","3","2","3","1") = "6"
    & skf21("5","6","7","2","3","2","4","1") = "6"
    & skf21("5","6","7","2","3","2","5","1") = "6"
    & skf21("5","6","7","2","3","2","6","1") = "6"
    & skf21("5","6","7","2","3","2","7","1") = "6"
    & skf21("5","6","7","2","3","3","1","1") = "6"
    & skf21("5","6","7","2","3","3","2","1") = "6"
    & skf21("5","6","7","2","3","3","3","1") = "6"
    & skf21("5","6","7","2","3","3","4","1") = "6"
    & skf21("5","6","7","2","3","3","5","1") = "6"
    & skf21("5","6","7","2","3","3","6","1") = "6"
    & skf21("5","6","7","2","3","3","7","1") = "6"
    & skf21("5","6","7","2","3","4","1","1") = "6"
    & skf21("5","6","7","2","3","4","2","1") = "6"
    & skf21("5","6","7","2","3","4","3","1") = "6"
    & skf21("5","6","7","2","3","4","4","1") = "6"
    & skf21("5","6","7","2","3","4","5","1") = "6"
    & skf21("5","6","7","2","3","4","6","1") = "6"
    & skf21("5","6","7","2","3","4","7","1") = "6"
    & skf21("5","6","7","2","3","5","1","1") = "6"
    & skf21("5","6","7","2","3","5","2","1") = "6"
    & skf21("5","6","7","2","3","5","3","1") = "6"
    & skf21("5","6","7","2","3","5","4","1") = "6"
    & skf21("5","6","7","2","3","5","5","1") = "6"
    & skf21("5","6","7","2","3","5","6","1") = "6"
    & skf21("5","6","7","2","3","5","7","1") = "6"
    & skf21("5","6","7","2","3","6","1","1") = "6"
    & skf21("5","6","7","2","3","6","2","1") = "6"
    & skf21("5","6","7","2","3","6","3","1") = "6"
    & skf21("5","6","7","2","3","6","4","1") = "6"
    & skf21("5","6","7","2","3","6","5","1") = "6"
    & skf21("5","6","7","2","3","6","6","1") = "6"
    & skf21("5","6","7","2","3","6","7","1") = "6"
    & skf21("5","6","7","2","3","7","1","1") = "6"
    & skf21("5","6","7","2","3","7","2","1") = "6"
    & skf21("5","6","7","2","3","7","3","1") = "6"
    & skf21("5","6","7","2","3","7","4","1") = "6"
    & skf21("5","6","7","2","3","7","5","1") = "6"
    & skf21("5","6","7","2","3","7","6","1") = "6"
    & skf21("5","6","7","2","3","7","7","1") = "6"
    & skf21("5","6","7","2","4","1","1","1") = "6"
    & skf21("5","6","7","2","4","1","2","1") = "6"
    & skf21("5","6","7","2","4","1","3","1") = "6"
    & skf21("5","6","7","2","4","1","4","1") = "6"
    & skf21("5","6","7","2","4","1","5","1") = "6"
    & skf21("5","6","7","2","4","1","6","1") = "6"
    & skf21("5","6","7","2","4","1","7","1") = "6"
    & skf21("5","6","7","2","4","2","1","1") = "6"
    & skf21("5","6","7","2","4","2","2","1") = "6"
    & skf21("5","6","7","2","4","2","3","1") = "6"
    & skf21("5","6","7","2","4","2","4","1") = "6"
    & skf21("5","6","7","2","4","2","5","1") = "6"
    & skf21("5","6","7","2","4","2","6","1") = "6"
    & skf21("5","6","7","2","4","2","7","1") = "6"
    & skf21("5","6","7","2","4","3","1","1") = "6"
    & skf21("5","6","7","2","4","3","2","1") = "6"
    & skf21("5","6","7","2","4","3","3","1") = "6"
    & skf21("5","6","7","2","4","3","4","1") = "6"
    & skf21("5","6","7","2","4","3","5","1") = "6"
    & skf21("5","6","7","2","4","3","6","1") = "6"
    & skf21("5","6","7","2","4","3","7","1") = "6"
    & skf21("5","6","7","2","4","4","1","1") = "6"
    & skf21("5","6","7","2","4","4","2","1") = "6"
    & skf21("5","6","7","2","4","4","3","1") = "6"
    & skf21("5","6","7","2","4","4","4","1") = "6"
    & skf21("5","6","7","2","4","4","5","1") = "6"
    & skf21("5","6","7","2","4","4","6","1") = "6"
    & skf21("5","6","7","2","4","4","7","1") = "6"
    & skf21("5","6","7","2","4","5","1","1") = "6"
    & skf21("5","6","7","2","4","5","2","1") = "6"
    & skf21("5","6","7","2","4","5","3","1") = "6"
    & skf21("5","6","7","2","4","5","4","1") = "6"
    & skf21("5","6","7","2","4","5","5","1") = "6"
    & skf21("5","6","7","2","4","5","6","1") = "6"
    & skf21("5","6","7","2","4","5","7","1") = "6"
    & skf21("5","6","7","2","4","6","1","1") = "6"
    & skf21("5","6","7","2","4","6","2","1") = "6"
    & skf21("5","6","7","2","4","6","3","1") = "6"
    & skf21("5","6","7","2","4","6","4","1") = "6"
    & skf21("5","6","7","2","4","6","5","1") = "6"
    & skf21("5","6","7","2","4","6","6","1") = "6"
    & skf21("5","6","7","2","4","6","7","1") = "6"
    & skf21("5","6","7","2","4","7","1","1") = "6"
    & skf21("5","6","7","2","4","7","2","1") = "6"
    & skf21("5","6","7","2","4","7","3","1") = "6"
    & skf21("5","6","7","2","4","7","4","1") = "6"
    & skf21("5","6","7","2","4","7","5","1") = "6"
    & skf21("5","6","7","2","4","7","6","1") = "6"
    & skf21("5","6","7","2","4","7","7","1") = "6"
    & skf21("5","6","7","2","5","1","1","1") = "6"
    & skf21("5","6","7","2","5","1","2","1") = "6"
    & skf21("5","6","7","2","5","1","3","1") = "6"
    & skf21("5","6","7","2","5","1","4","1") = "6"
    & skf21("5","6","7","2","5","1","5","1") = "6"
    & skf21("5","6","7","2","5","1","6","1") = "6"
    & skf21("5","6","7","2","5","1","7","1") = "6"
    & skf21("5","6","7","2","5","2","1","1") = "6"
    & skf21("5","6","7","2","5","2","2","1") = "6"
    & skf21("5","6","7","2","5","2","3","1") = "6"
    & skf21("5","6","7","2","5","2","4","1") = "6"
    & skf21("5","6","7","2","5","2","5","1") = "6"
    & skf21("5","6","7","2","5","2","6","1") = "6"
    & skf21("5","6","7","2","5","2","7","1") = "6"
    & skf21("5","6","7","2","5","3","1","1") = "6"
    & skf21("5","6","7","2","5","3","2","1") = "6"
    & skf21("5","6","7","2","5","3","3","1") = "6"
    & skf21("5","6","7","2","5","3","4","1") = "6"
    & skf21("5","6","7","2","5","3","5","1") = "6"
    & skf21("5","6","7","2","5","3","6","1") = "6"
    & skf21("5","6","7","2","5","3","7","1") = "6"
    & skf21("5","6","7","2","5","4","1","1") = "6"
    & skf21("5","6","7","2","5","4","2","1") = "6"
    & skf21("5","6","7","2","5","4","3","1") = "6"
    & skf21("5","6","7","2","5","4","4","1") = "6"
    & skf21("5","6","7","2","5","4","5","1") = "6"
    & skf21("5","6","7","2","5","4","6","1") = "6"
    & skf21("5","6","7","2","5","4","7","1") = "6"
    & skf21("5","6","7","2","5","5","1","1") = "6"
    & skf21("5","6","7","2","5","5","2","1") = "6"
    & skf21("5","6","7","2","5","5","3","1") = "6"
    & skf21("5","6","7","2","5","5","4","1") = "6"
    & skf21("5","6","7","2","5","5","5","1") = "6"
    & skf21("5","6","7","2","5","5","6","1") = "6"
    & skf21("5","6","7","2","5","5","7","1") = "6"
    & skf21("5","6","7","2","5","6","1","1") = "6"
    & skf21("5","6","7","2","5","6","2","1") = "6"
    & skf21("5","6","7","2","5","6","3","1") = "6"
    & skf21("5","6","7","2","5","6","4","1") = "6"
    & skf21("5","6","7","2","5","6","5","1") = "6"
    & skf21("5","6","7","2","5","6","6","1") = "6"
    & skf21("5","6","7","2","5","6","7","1") = "6"
    & skf21("5","6","7","2","5","7","1","1") = "6"
    & skf21("5","6","7","2","5","7","2","1") = "6"
    & skf21("5","6","7","2","5","7","3","1") = "6"
    & skf21("5","6","7","2","5","7","4","1") = "6"
    & skf21("5","6","7","2","5","7","5","1") = "6"
    & skf21("5","6","7","2","5","7","6","1") = "6"
    & skf21("5","6","7","2","5","7","7","1") = "6"
    & skf21("5","6","7","2","6","1","1","1") = "6"
    & skf21("5","6","7","2","6","1","2","1") = "6"
    & skf21("5","6","7","2","6","1","3","1") = "6"
    & skf21("5","6","7","2","6","1","4","1") = "6"
    & skf21("5","6","7","2","6","1","5","1") = "6"
    & skf21("5","6","7","2","6","1","6","1") = "6"
    & skf21("5","6","7","2","6","1","7","1") = "6"
    & skf21("5","6","7","2","6","2","1","1") = "6"
    & skf21("5","6","7","2","6","2","2","1") = "6"
    & skf21("5","6","7","2","6","2","3","1") = "6"
    & skf21("5","6","7","2","6","2","4","1") = "6"
    & skf21("5","6","7","2","6","2","5","1") = "6"
    & skf21("5","6","7","2","6","2","6","1") = "6"
    & skf21("5","6","7","2","6","2","7","1") = "6"
    & skf21("5","6","7","2","6","3","1","1") = "6"
    & skf21("5","6","7","2","6","3","2","1") = "6"
    & skf21("5","6","7","2","6","3","3","1") = "6"
    & skf21("5","6","7","2","6","3","4","1") = "6"
    & skf21("5","6","7","2","6","3","5","1") = "6"
    & skf21("5","6","7","2","6","3","6","1") = "6"
    & skf21("5","6","7","2","6","3","7","1") = "6"
    & skf21("5","6","7","2","6","4","1","1") = "6"
    & skf21("5","6","7","2","6","4","2","1") = "6"
    & skf21("5","6","7","2","6","4","3","1") = "6"
    & skf21("5","6","7","2","6","4","4","1") = "6"
    & skf21("5","6","7","2","6","4","5","1") = "6"
    & skf21("5","6","7","2","6","4","6","1") = "6"
    & skf21("5","6","7","2","6","4","7","1") = "6"
    & skf21("5","6","7","2","6","5","1","1") = "6"
    & skf21("5","6","7","2","6","5","2","1") = "6"
    & skf21("5","6","7","2","6","5","3","1") = "6"
    & skf21("5","6","7","2","6","5","4","1") = "6"
    & skf21("5","6","7","2","6","5","5","1") = "6"
    & skf21("5","6","7","2","6","5","6","1") = "6"
    & skf21("5","6","7","2","6","5","7","1") = "6"
    & skf21("5","6","7","2","6","6","1","1") = "6"
    & skf21("5","6","7","2","6","6","2","1") = "6"
    & skf21("5","6","7","2","6","6","3","1") = "6"
    & skf21("5","6","7","2","6","6","4","1") = "6"
    & skf21("5","6","7","2","6","6","5","1") = "6"
    & skf21("5","6","7","2","6","6","6","1") = "6"
    & skf21("5","6","7","2","6","6","7","1") = "6"
    & skf21("5","6","7","2","6","7","1","1") = "6"
    & skf21("5","6","7","2","6","7","2","1") = "6"
    & skf21("5","6","7","2","6","7","3","1") = "6"
    & skf21("5","6","7","2","6","7","4","1") = "6"
    & skf21("5","6","7","2","6","7","5","1") = "6"
    & skf21("5","6","7","2","6","7","6","1") = "6"
    & skf21("5","6","7","2","6","7","7","1") = "6"
    & skf21("5","6","7","2","7","1","1","1") = "6"
    & skf21("5","6","7","2","7","1","2","1") = "6"
    & skf21("5","6","7","2","7","1","3","1") = "6"
    & skf21("5","6","7","2","7","1","4","1") = "6"
    & skf21("5","6","7","2","7","1","5","1") = "6"
    & skf21("5","6","7","2","7","1","6","1") = "6"
    & skf21("5","6","7","2","7","1","7","1") = "6"
    & skf21("5","6","7","2","7","2","1","1") = "6"
    & skf21("5","6","7","2","7","2","2","1") = "6"
    & skf21("5","6","7","2","7","2","3","1") = "6"
    & skf21("5","6","7","2","7","2","4","1") = "6"
    & skf21("5","6","7","2","7","2","5","1") = "6"
    & skf21("5","6","7","2","7","2","6","1") = "6"
    & skf21("5","6","7","2","7","2","7","1") = "6"
    & skf21("5","6","7","2","7","3","1","1") = "6"
    & skf21("5","6","7","2","7","3","2","1") = "6"
    & skf21("5","6","7","2","7","3","3","1") = "6"
    & skf21("5","6","7","2","7","3","4","1") = "6"
    & skf21("5","6","7","2","7","3","5","1") = "6"
    & skf21("5","6","7","2","7","3","6","1") = "6"
    & skf21("5","6","7","2","7","3","7","1") = "6"
    & skf21("5","6","7","2","7","4","1","1") = "6"
    & skf21("5","6","7","2","7","4","2","1") = "6"
    & skf21("5","6","7","2","7","4","3","1") = "6"
    & skf21("5","6","7","2","7","4","4","1") = "6"
    & skf21("5","6","7","2","7","4","5","1") = "6"
    & skf21("5","6","7","2","7","4","6","1") = "6"
    & skf21("5","6","7","2","7","4","7","1") = "6"
    & skf21("5","6","7","2","7","5","1","1") = "6"
    & skf21("5","6","7","2","7","5","2","1") = "6"
    & skf21("5","6","7","2","7","5","3","1") = "6"
    & skf21("5","6","7","2","7","5","4","1") = "6"
    & skf21("5","6","7","2","7","5","5","1") = "6"
    & skf21("5","6","7","2","7","5","6","1") = "6"
    & skf21("5","6","7","2","7","5","7","1") = "6"
    & skf21("5","6","7","2","7","6","1","1") = "6"
    & skf21("5","6","7","2","7","6","2","1") = "6"
    & skf21("5","6","7","2","7","6","3","1") = "6"
    & skf21("5","6","7","2","7","6","4","1") = "6"
    & skf21("5","6","7","2","7","6","5","1") = "6"
    & skf21("5","6","7","2","7","6","6","1") = "6"
    & skf21("5","6","7","2","7","6","7","1") = "6"
    & skf21("5","6","7","2","7","7","1","1") = "6"
    & skf21("5","6","7","2","7","7","2","1") = "6"
    & skf21("5","6","7","2","7","7","3","1") = "6"
    & skf21("5","6","7","2","7","7","4","1") = "6"
    & skf21("5","6","7","2","7","7","5","1") = "6"
    & skf21("5","6","7","2","7","7","6","1") = "6"
    & skf21("5","6","7","2","7","7","7","1") = "6"
    & skf21("5","6","7","3","1","1","1","1") = "6"
    & skf21("5","6","7","3","1","1","2","1") = "6"
    & skf21("5","6","7","3","1","1","3","1") = "6"
    & skf21("5","6","7","3","1","1","4","1") = "6"
    & skf21("5","6","7","3","1","1","5","1") = "6"
    & skf21("5","6","7","3","1","1","6","1") = "6"
    & skf21("5","6","7","3","1","1","7","1") = "6"
    & skf21("5","6","7","3","1","2","1","1") = "6"
    & skf21("5","6","7","3","1","2","2","1") = "6"
    & skf21("5","6","7","3","1","2","3","1") = "6"
    & skf21("5","6","7","3","1","2","4","1") = "6"
    & skf21("5","6","7","3","1","2","5","1") = "6"
    & skf21("5","6","7","3","1","2","6","1") = "6"
    & skf21("5","6","7","3","1","2","7","1") = "6"
    & skf21("5","6","7","3","1","3","1","1") = "6"
    & skf21("5","6","7","3","1","3","2","1") = "6"
    & skf21("5","6","7","3","1","3","3","1") = "6"
    & skf21("5","6","7","3","1","3","4","1") = "6"
    & skf21("5","6","7","3","1","3","5","1") = "6"
    & skf21("5","6","7","3","1","3","6","1") = "6"
    & skf21("5","6","7","3","1","3","7","1") = "6"
    & skf21("5","6","7","3","1","4","1","1") = "6"
    & skf21("5","6","7","3","1","4","2","1") = "6"
    & skf21("5","6","7","3","1","4","3","1") = "6"
    & skf21("5","6","7","3","1","4","4","1") = "6"
    & skf21("5","6","7","3","1","4","5","1") = "6"
    & skf21("5","6","7","3","1","4","6","1") = "6"
    & skf21("5","6","7","3","1","4","7","1") = "6"
    & skf21("5","6","7","3","1","5","1","1") = "6"
    & skf21("5","6","7","3","1","5","2","1") = "6"
    & skf21("5","6","7","3","1","5","3","1") = "6"
    & skf21("5","6","7","3","1","5","4","1") = "6"
    & skf21("5","6","7","3","1","5","5","1") = "6"
    & skf21("5","6","7","3","1","5","6","1") = "6"
    & skf21("5","6","7","3","1","5","7","1") = "6"
    & skf21("5","6","7","3","1","6","1","1") = "6"
    & skf21("5","6","7","3","1","6","2","1") = "6"
    & skf21("5","6","7","3","1","6","3","1") = "6"
    & skf21("5","6","7","3","1","6","4","1") = "6"
    & skf21("5","6","7","3","1","6","5","1") = "6"
    & skf21("5","6","7","3","1","6","6","1") = "6"
    & skf21("5","6","7","3","1","6","7","1") = "6"
    & skf21("5","6","7","3","1","7","1","1") = "6"
    & skf21("5","6","7","3","1","7","2","1") = "6"
    & skf21("5","6","7","3","1","7","3","1") = "6"
    & skf21("5","6","7","3","1","7","4","1") = "6"
    & skf21("5","6","7","3","1","7","5","1") = "6"
    & skf21("5","6","7","3","1","7","6","1") = "6"
    & skf21("5","6","7","3","1","7","7","1") = "6"
    & skf21("5","6","7","3","2","1","1","1") = "6"
    & skf21("5","6","7","3","2","1","2","1") = "6"
    & skf21("5","6","7","3","2","1","3","1") = "6"
    & skf21("5","6","7","3","2","1","4","1") = "6"
    & skf21("5","6","7","3","2","1","5","1") = "6"
    & skf21("5","6","7","3","2","1","6","1") = "6"
    & skf21("5","6","7","3","2","1","7","1") = "6"
    & skf21("5","6","7","3","2","2","1","1") = "6"
    & skf21("5","6","7","3","2","2","2","1") = "6"
    & skf21("5","6","7","3","2","2","3","1") = "6"
    & skf21("5","6","7","3","2","2","4","1") = "6"
    & skf21("5","6","7","3","2","2","5","1") = "6"
    & skf21("5","6","7","3","2","2","6","1") = "6"
    & skf21("5","6","7","3","2","2","7","1") = "6"
    & skf21("5","6","7","3","2","3","1","1") = "6"
    & skf21("5","6","7","3","2","3","2","1") = "6"
    & skf21("5","6","7","3","2","3","3","1") = "6"
    & skf21("5","6","7","3","2","3","4","1") = "6"
    & skf21("5","6","7","3","2","3","5","1") = "6"
    & skf21("5","6","7","3","2","3","6","1") = "6"
    & skf21("5","6","7","3","2","3","7","1") = "6"
    & skf21("5","6","7","3","2","4","1","1") = "6"
    & skf21("5","6","7","3","2","4","2","1") = "6"
    & skf21("5","6","7","3","2","4","3","1") = "6"
    & skf21("5","6","7","3","2","4","4","1") = "6"
    & skf21("5","6","7","3","2","4","5","1") = "6"
    & skf21("5","6","7","3","2","4","6","1") = "6"
    & skf21("5","6","7","3","2","4","7","1") = "6"
    & skf21("5","6","7","3","2","5","1","1") = "6"
    & skf21("5","6","7","3","2","5","2","1") = "6"
    & skf21("5","6","7","3","2","5","3","1") = "6"
    & skf21("5","6","7","3","2","5","4","1") = "6"
    & skf21("5","6","7","3","2","5","5","1") = "6"
    & skf21("5","6","7","3","2","5","6","1") = "6"
    & skf21("5","6","7","3","2","5","7","1") = "6"
    & skf21("5","6","7","3","2","6","1","1") = "6"
    & skf21("5","6","7","3","2","6","2","1") = "6"
    & skf21("5","6","7","3","2","6","3","1") = "6"
    & skf21("5","6","7","3","2","6","4","1") = "6"
    & skf21("5","6","7","3","2","6","5","1") = "6"
    & skf21("5","6","7","3","2","6","6","1") = "6"
    & skf21("5","6","7","3","2","6","7","1") = "6"
    & skf21("5","6","7","3","2","7","1","1") = "6"
    & skf21("5","6","7","3","2","7","2","1") = "6"
    & skf21("5","6","7","3","2","7","3","1") = "6"
    & skf21("5","6","7","3","2","7","4","1") = "6"
    & skf21("5","6","7","3","2","7","5","1") = "6"
    & skf21("5","6","7","3","2","7","6","1") = "6"
    & skf21("5","6","7","3","2","7","7","1") = "6"
    & skf21("5","6","7","3","3","1","1","1") = "6"
    & skf21("5","6","7","3","3","1","2","1") = "6"
    & skf21("5","6","7","3","3","1","3","1") = "6"
    & skf21("5","6","7","3","3","1","4","1") = "6"
    & skf21("5","6","7","3","3","1","5","1") = "6"
    & skf21("5","6","7","3","3","1","6","1") = "6"
    & skf21("5","6","7","3","3","1","7","1") = "6"
    & skf21("5","6","7","3","3","2","1","1") = "6"
    & skf21("5","6","7","3","3","2","2","1") = "6"
    & skf21("5","6","7","3","3","2","3","1") = "6"
    & skf21("5","6","7","3","3","2","4","1") = "6"
    & skf21("5","6","7","3","3","2","5","1") = "6"
    & skf21("5","6","7","3","3","2","6","1") = "6"
    & skf21("5","6","7","3","3","2","7","1") = "6"
    & skf21("5","6","7","3","3","3","1","1") = "6"
    & skf21("5","6","7","3","3","3","2","1") = "6"
    & skf21("5","6","7","3","3","3","3","1") = "6"
    & skf21("5","6","7","3","3","3","4","1") = "6"
    & skf21("5","6","7","3","3","3","5","1") = "6"
    & skf21("5","6","7","3","3","3","6","1") = "6"
    & skf21("5","6","7","3","3","3","7","1") = "6"
    & skf21("5","6","7","3","3","4","1","1") = "6"
    & skf21("5","6","7","3","3","4","2","1") = "6"
    & skf21("5","6","7","3","3","4","3","1") = "6"
    & skf21("5","6","7","3","3","4","4","1") = "6"
    & skf21("5","6","7","3","3","4","5","1") = "6"
    & skf21("5","6","7","3","3","4","6","1") = "6"
    & skf21("5","6","7","3","3","4","7","1") = "6"
    & skf21("5","6","7","3","3","5","1","1") = "6"
    & skf21("5","6","7","3","3","5","2","1") = "6"
    & skf21("5","6","7","3","3","5","3","1") = "6"
    & skf21("5","6","7","3","3","5","4","1") = "6"
    & skf21("5","6","7","3","3","5","5","1") = "6"
    & skf21("5","6","7","3","3","5","6","1") = "6"
    & skf21("5","6","7","3","3","5","7","1") = "6"
    & skf21("5","6","7","3","3","6","1","1") = "6"
    & skf21("5","6","7","3","3","6","2","1") = "6"
    & skf21("5","6","7","3","3","6","3","1") = "6"
    & skf21("5","6","7","3","3","6","4","1") = "6"
    & skf21("5","6","7","3","3","6","5","1") = "6"
    & skf21("5","6","7","3","3","6","6","1") = "6"
    & skf21("5","6","7","3","3","6","7","1") = "6"
    & skf21("5","6","7","3","3","7","1","1") = "6"
    & skf21("5","6","7","3","3","7","2","1") = "6"
    & skf21("5","6","7","3","3","7","3","1") = "6"
    & skf21("5","6","7","3","3","7","4","1") = "6"
    & skf21("5","6","7","3","3","7","5","1") = "6"
    & skf21("5","6","7","3","3","7","6","1") = "6"
    & skf21("5","6","7","3","3","7","7","1") = "6"
    & skf21("5","6","7","3","4","1","1","1") = "6"
    & skf21("5","6","7","3","4","1","2","1") = "6"
    & skf21("5","6","7","3","4","1","3","1") = "6"
    & skf21("5","6","7","3","4","1","4","1") = "6"
    & skf21("5","6","7","3","4","1","5","1") = "6"
    & skf21("5","6","7","3","4","1","6","1") = "6"
    & skf21("5","6","7","3","4","1","7","1") = "6"
    & skf21("5","6","7","3","4","2","1","1") = "6"
    & skf21("5","6","7","3","4","2","2","1") = "6"
    & skf21("5","6","7","3","4","2","3","1") = "6"
    & skf21("5","6","7","3","4","2","4","1") = "6"
    & skf21("5","6","7","3","4","2","5","1") = "6"
    & skf21("5","6","7","3","4","2","6","1") = "6"
    & skf21("5","6","7","3","4","2","7","1") = "6"
    & skf21("5","6","7","3","4","3","1","1") = "6"
    & skf21("5","6","7","3","4","3","2","1") = "6"
    & skf21("5","6","7","3","4","3","3","1") = "6"
    & skf21("5","6","7","3","4","3","4","1") = "6"
    & skf21("5","6","7","3","4","3","5","1") = "6"
    & skf21("5","6","7","3","4","3","6","1") = "6"
    & skf21("5","6","7","3","4","3","7","1") = "6"
    & skf21("5","6","7","3","4","4","1","1") = "6"
    & skf21("5","6","7","3","4","4","2","1") = "6"
    & skf21("5","6","7","3","4","4","3","1") = "6"
    & skf21("5","6","7","3","4","4","4","1") = "6"
    & skf21("5","6","7","3","4","4","5","1") = "6"
    & skf21("5","6","7","3","4","4","6","1") = "6"
    & skf21("5","6","7","3","4","4","7","1") = "6"
    & skf21("5","6","7","3","4","5","1","1") = "6"
    & skf21("5","6","7","3","4","5","2","1") = "6"
    & skf21("5","6","7","3","4","5","3","1") = "6"
    & skf21("5","6","7","3","4","5","4","1") = "6"
    & skf21("5","6","7","3","4","5","5","1") = "6"
    & skf21("5","6","7","3","4","5","6","1") = "6"
    & skf21("5","6","7","3","4","5","7","1") = "6"
    & skf21("5","6","7","3","4","6","1","1") = "6"
    & skf21("5","6","7","3","4","6","2","1") = "6"
    & skf21("5","6","7","3","4","6","3","1") = "6"
    & skf21("5","6","7","3","4","6","4","1") = "6"
    & skf21("5","6","7","3","4","6","5","1") = "6"
    & skf21("5","6","7","3","4","6","6","1") = "6"
    & skf21("5","6","7","3","4","6","7","1") = "6"
    & skf21("5","6","7","3","4","7","1","1") = "6"
    & skf21("5","6","7","3","4","7","2","1") = "6"
    & skf21("5","6","7","3","4","7","3","1") = "6"
    & skf21("5","6","7","3","4","7","4","1") = "6"
    & skf21("5","6","7","3","4","7","5","1") = "6"
    & skf21("5","6","7","3","4","7","6","1") = "6"
    & skf21("5","6","7","3","4","7","7","1") = "6"
    & skf21("5","6","7","3","5","1","1","1") = "6"
    & skf21("5","6","7","3","5","1","2","1") = "6"
    & skf21("5","6","7","3","5","1","3","1") = "6"
    & skf21("5","6","7","3","5","1","4","1") = "6"
    & skf21("5","6","7","3","5","1","5","1") = "6"
    & skf21("5","6","7","3","5","1","6","1") = "6"
    & skf21("5","6","7","3","5","1","7","1") = "6"
    & skf21("5","6","7","3","5","2","1","1") = "6"
    & skf21("5","6","7","3","5","2","2","1") = "6"
    & skf21("5","6","7","3","5","2","3","1") = "6"
    & skf21("5","6","7","3","5","2","4","1") = "6"
    & skf21("5","6","7","3","5","2","5","1") = "6"
    & skf21("5","6","7","3","5","2","6","1") = "6"
    & skf21("5","6","7","3","5","2","7","1") = "6"
    & skf21("5","6","7","3","5","3","1","1") = "6"
    & skf21("5","6","7","3","5","3","2","1") = "6"
    & skf21("5","6","7","3","5","3","3","1") = "6"
    & skf21("5","6","7","3","5","3","4","1") = "6"
    & skf21("5","6","7","3","5","3","5","1") = "6"
    & skf21("5","6","7","3","5","3","6","1") = "6"
    & skf21("5","6","7","3","5","3","7","1") = "6"
    & skf21("5","6","7","3","5","4","1","1") = "6"
    & skf21("5","6","7","3","5","4","2","1") = "6"
    & skf21("5","6","7","3","5","4","3","1") = "6"
    & skf21("5","6","7","3","5","4","4","1") = "6"
    & skf21("5","6","7","3","5","4","5","1") = "6"
    & skf21("5","6","7","3","5","4","6","1") = "6"
    & skf21("5","6","7","3","5","4","7","1") = "6"
    & skf21("5","6","7","3","5","5","1","1") = "6"
    & skf21("5","6","7","3","5","5","2","1") = "6"
    & skf21("5","6","7","3","5","5","3","1") = "6"
    & skf21("5","6","7","3","5","5","4","1") = "6"
    & skf21("5","6","7","3","5","5","5","1") = "6"
    & skf21("5","6","7","3","5","5","6","1") = "6"
    & skf21("5","6","7","3","5","5","7","1") = "6"
    & skf21("5","6","7","3","5","6","1","1") = "6"
    & skf21("5","6","7","3","5","6","2","1") = "6"
    & skf21("5","6","7","3","5","6","3","1") = "6"
    & skf21("5","6","7","3","5","6","4","1") = "6"
    & skf21("5","6","7","3","5","6","5","1") = "6"
    & skf21("5","6","7","3","5","6","6","1") = "6"
    & skf21("5","6","7","3","5","6","7","1") = "6"
    & skf21("5","6","7","3","5","7","1","1") = "6"
    & skf21("5","6","7","3","5","7","2","1") = "6"
    & skf21("5","6","7","3","5","7","3","1") = "6"
    & skf21("5","6","7","3","5","7","4","1") = "6"
    & skf21("5","6","7","3","5","7","5","1") = "6"
    & skf21("5","6","7","3","5","7","6","1") = "6"
    & skf21("5","6","7","3","5","7","7","1") = "6"
    & skf21("5","6","7","3","6","1","1","1") = "6"
    & skf21("5","6","7","3","6","1","2","1") = "6"
    & skf21("5","6","7","3","6","1","3","1") = "6"
    & skf21("5","6","7","3","6","1","4","1") = "6"
    & skf21("5","6","7","3","6","1","5","1") = "6"
    & skf21("5","6","7","3","6","1","6","1") = "6"
    & skf21("5","6","7","3","6","1","7","1") = "6"
    & skf21("5","6","7","3","6","2","1","1") = "6"
    & skf21("5","6","7","3","6","2","2","1") = "6"
    & skf21("5","6","7","3","6","2","3","1") = "6"
    & skf21("5","6","7","3","6","2","4","1") = "6"
    & skf21("5","6","7","3","6","2","5","1") = "6"
    & skf21("5","6","7","3","6","2","6","1") = "6"
    & skf21("5","6","7","3","6","2","7","1") = "6"
    & skf21("5","6","7","3","6","3","1","1") = "6"
    & skf21("5","6","7","3","6","3","2","1") = "6"
    & skf21("5","6","7","3","6","3","3","1") = "6"
    & skf21("5","6","7","3","6","3","4","1") = "6"
    & skf21("5","6","7","3","6","3","5","1") = "6"
    & skf21("5","6","7","3","6","3","6","1") = "6"
    & skf21("5","6","7","3","6","3","7","1") = "6"
    & skf21("5","6","7","3","6","4","1","1") = "6"
    & skf21("5","6","7","3","6","4","2","1") = "6"
    & skf21("5","6","7","3","6","4","3","1") = "6"
    & skf21("5","6","7","3","6","4","4","1") = "6"
    & skf21("5","6","7","3","6","4","5","1") = "6"
    & skf21("5","6","7","3","6","4","6","1") = "6"
    & skf21("5","6","7","3","6","4","7","1") = "6"
    & skf21("5","6","7","3","6","5","1","1") = "6"
    & skf21("5","6","7","3","6","5","2","1") = "6"
    & skf21("5","6","7","3","6","5","3","1") = "6"
    & skf21("5","6","7","3","6","5","4","1") = "6"
    & skf21("5","6","7","3","6","5","5","1") = "6"
    & skf21("5","6","7","3","6","5","6","1") = "6"
    & skf21("5","6","7","3","6","5","7","1") = "6"
    & skf21("5","6","7","3","6","6","1","1") = "6"
    & skf21("5","6","7","3","6","6","2","1") = "6"
    & skf21("5","6","7","3","6","6","3","1") = "6"
    & skf21("5","6","7","3","6","6","4","1") = "6"
    & skf21("5","6","7","3","6","6","5","1") = "6"
    & skf21("5","6","7","3","6","6","6","1") = "6"
    & skf21("5","6","7","3","6","6","7","1") = "6"
    & skf21("5","6","7","3","6","7","1","1") = "6"
    & skf21("5","6","7","3","6","7","2","1") = "6"
    & skf21("5","6","7","3","6","7","3","1") = "6"
    & skf21("5","6","7","3","6","7","4","1") = "6"
    & skf21("5","6","7","3","6","7","5","1") = "6"
    & skf21("5","6","7","3","6","7","6","1") = "6"
    & skf21("5","6","7","3","6","7","7","1") = "6"
    & skf21("5","6","7","3","7","1","1","1") = "6"
    & skf21("5","6","7","3","7","1","2","1") = "6"
    & skf21("5","6","7","3","7","1","3","1") = "6"
    & skf21("5","6","7","3","7","1","4","1") = "6"
    & skf21("5","6","7","3","7","1","5","1") = "6"
    & skf21("5","6","7","3","7","1","6","1") = "6"
    & skf21("5","6","7","3","7","1","7","1") = "6"
    & skf21("5","6","7","3","7","2","1","1") = "6"
    & skf21("5","6","7","3","7","2","2","1") = "6"
    & skf21("5","6","7","3","7","2","3","1") = "6"
    & skf21("5","6","7","3","7","2","4","1") = "6"
    & skf21("5","6","7","3","7","2","5","1") = "6"
    & skf21("5","6","7","3","7","2","6","1") = "6"
    & skf21("5","6","7","3","7","2","7","1") = "6"
    & skf21("5","6","7","3","7","3","1","1") = "6"
    & skf21("5","6","7","3","7","3","2","1") = "6"
    & skf21("5","6","7","3","7","3","3","1") = "6"
    & skf21("5","6","7","3","7","3","4","1") = "6"
    & skf21("5","6","7","3","7","3","5","1") = "6"
    & skf21("5","6","7","3","7","3","6","1") = "6"
    & skf21("5","6","7","3","7","3","7","1") = "6"
    & skf21("5","6","7","3","7","4","1","1") = "6"
    & skf21("5","6","7","3","7","4","2","1") = "6"
    & skf21("5","6","7","3","7","4","3","1") = "6"
    & skf21("5","6","7","3","7","4","4","1") = "6"
    & skf21("5","6","7","3","7","4","5","1") = "6"
    & skf21("5","6","7","3","7","4","6","1") = "6"
    & skf21("5","6","7","3","7","4","7","1") = "6"
    & skf21("5","6","7","3","7","5","1","1") = "6"
    & skf21("5","6","7","3","7","5","2","1") = "6"
    & skf21("5","6","7","3","7","5","3","1") = "6"
    & skf21("5","6","7","3","7","5","4","1") = "6"
    & skf21("5","6","7","3","7","5","5","1") = "6"
    & skf21("5","6","7","3","7","5","6","1") = "6"
    & skf21("5","6","7","3","7","5","7","1") = "6"
    & skf21("5","6","7","3","7","6","1","1") = "6"
    & skf21("5","6","7","3","7","6","2","1") = "6"
    & skf21("5","6","7","3","7","6","3","1") = "6"
    & skf21("5","6","7","3","7","6","4","1") = "6"
    & skf21("5","6","7","3","7","6","5","1") = "6"
    & skf21("5","6","7","3","7","6","6","1") = "6"
    & skf21("5","6","7","3","7","6","7","1") = "6"
    & skf21("5","6","7","3","7","7","1","1") = "6"
    & skf21("5","6","7","3","7","7","2","1") = "6"
    & skf21("5","6","7","3","7","7","3","1") = "6"
    & skf21("5","6","7","3","7","7","4","1") = "6"
    & skf21("5","6","7","3","7","7","5","1") = "6"
    & skf21("5","6","7","3","7","7","6","1") = "6"
    & skf21("5","6","7","3","7","7","7","1") = "6"
    & skf21("5","6","7","4","1","1","1","1") = "6"
    & skf21("5","6","7","4","1","1","2","1") = "6"
    & skf21("5","6","7","4","1","1","3","1") = "6"
    & skf21("5","6","7","4","1","1","4","1") = "6"
    & skf21("5","6","7","4","1","1","5","1") = "6"
    & skf21("5","6","7","4","1","1","6","1") = "6"
    & skf21("5","6","7","4","1","1","7","1") = "6"
    & skf21("5","6","7","4","1","2","1","1") = "6"
    & skf21("5","6","7","4","1","2","2","1") = "6"
    & skf21("5","6","7","4","1","2","3","1") = "6"
    & skf21("5","6","7","4","1","2","4","1") = "6"
    & skf21("5","6","7","4","1","2","5","1") = "6"
    & skf21("5","6","7","4","1","2","6","1") = "6"
    & skf21("5","6","7","4","1","2","7","1") = "6"
    & skf21("5","6","7","4","1","3","1","1") = "6"
    & skf21("5","6","7","4","1","3","2","1") = "6"
    & skf21("5","6","7","4","1","3","3","1") = "6"
    & skf21("5","6","7","4","1","3","4","1") = "6"
    & skf21("5","6","7","4","1","3","5","1") = "6"
    & skf21("5","6","7","4","1","3","6","1") = "6"
    & skf21("5","6","7","4","1","3","7","1") = "6"
    & skf21("5","6","7","4","1","4","1","1") = "6"
    & skf21("5","6","7","4","1","4","2","1") = "6"
    & skf21("5","6","7","4","1","4","3","1") = "6"
    & skf21("5","6","7","4","1","4","4","1") = "6"
    & skf21("5","6","7","4","1","4","5","1") = "6"
    & skf21("5","6","7","4","1","4","6","1") = "6"
    & skf21("5","6","7","4","1","4","7","1") = "6"
    & skf21("5","6","7","4","1","5","1","1") = "6"
    & skf21("5","6","7","4","1","5","2","1") = "6"
    & skf21("5","6","7","4","1","5","3","1") = "6"
    & skf21("5","6","7","4","1","5","4","1") = "6"
    & skf21("5","6","7","4","1","5","5","1") = "6"
    & skf21("5","6","7","4","1","5","6","1") = "6"
    & skf21("5","6","7","4","1","5","7","1") = "6"
    & skf21("5","6","7","4","1","6","1","1") = "6"
    & skf21("5","6","7","4","1","6","2","1") = "6"
    & skf21("5","6","7","4","1","6","3","1") = "6"
    & skf21("5","6","7","4","1","6","4","1") = "6"
    & skf21("5","6","7","4","1","6","5","1") = "6"
    & skf21("5","6","7","4","1","6","6","1") = "6"
    & skf21("5","6","7","4","1","6","7","1") = "6"
    & skf21("5","6","7","4","1","7","1","1") = "6"
    & skf21("5","6","7","4","1","7","2","1") = "6"
    & skf21("5","6","7","4","1","7","3","1") = "6"
    & skf21("5","6","7","4","1","7","4","1") = "6"
    & skf21("5","6","7","4","1","7","5","1") = "6"
    & skf21("5","6","7","4","1","7","6","1") = "6"
    & skf21("5","6","7","4","1","7","7","1") = "6"
    & skf21("5","6","7","4","2","1","1","1") = "6"
    & skf21("5","6","7","4","2","1","2","1") = "6"
    & skf21("5","6","7","4","2","1","3","1") = "6"
    & skf21("5","6","7","4","2","1","4","1") = "6"
    & skf21("5","6","7","4","2","1","5","1") = "6"
    & skf21("5","6","7","4","2","1","6","1") = "6"
    & skf21("5","6","7","4","2","1","7","1") = "6"
    & skf21("5","6","7","4","2","2","1","1") = "6"
    & skf21("5","6","7","4","2","2","2","1") = "6"
    & skf21("5","6","7","4","2","2","3","1") = "6"
    & skf21("5","6","7","4","2","2","4","1") = "6"
    & skf21("5","6","7","4","2","2","5","1") = "6"
    & skf21("5","6","7","4","2","2","6","1") = "6"
    & skf21("5","6","7","4","2","2","7","1") = "6"
    & skf21("5","6","7","4","2","3","1","1") = "6"
    & skf21("5","6","7","4","2","3","2","1") = "6"
    & skf21("5","6","7","4","2","3","3","1") = "6"
    & skf21("5","6","7","4","2","3","4","1") = "6"
    & skf21("5","6","7","4","2","3","5","1") = "6"
    & skf21("5","6","7","4","2","3","6","1") = "6"
    & skf21("5","6","7","4","2","3","7","1") = "6"
    & skf21("5","6","7","4","2","4","1","1") = "6"
    & skf21("5","6","7","4","2","4","2","1") = "6"
    & skf21("5","6","7","4","2","4","3","1") = "6"
    & skf21("5","6","7","4","2","4","4","1") = "6"
    & skf21("5","6","7","4","2","4","5","1") = "6"
    & skf21("5","6","7","4","2","4","6","1") = "6"
    & skf21("5","6","7","4","2","4","7","1") = "6"
    & skf21("5","6","7","4","2","5","1","1") = "6"
    & skf21("5","6","7","4","2","5","2","1") = "6"
    & skf21("5","6","7","4","2","5","3","1") = "6"
    & skf21("5","6","7","4","2","5","4","1") = "6"
    & skf21("5","6","7","4","2","5","5","1") = "6"
    & skf21("5","6","7","4","2","5","6","1") = "6"
    & skf21("5","6","7","4","2","5","7","1") = "6"
    & skf21("5","6","7","4","2","6","1","1") = "6"
    & skf21("5","6","7","4","2","6","2","1") = "6"
    & skf21("5","6","7","4","2","6","3","1") = "6"
    & skf21("5","6","7","4","2","6","4","1") = "6"
    & skf21("5","6","7","4","2","6","5","1") = "6"
    & skf21("5","6","7","4","2","6","6","1") = "6"
    & skf21("5","6","7","4","2","6","7","1") = "6"
    & skf21("5","6","7","4","2","7","1","1") = "6"
    & skf21("5","6","7","4","2","7","2","1") = "6"
    & skf21("5","6","7","4","2","7","3","1") = "6"
    & skf21("5","6","7","4","2","7","4","1") = "6"
    & skf21("5","6","7","4","2","7","5","1") = "6"
    & skf21("5","6","7","4","2","7","6","1") = "6"
    & skf21("5","6","7","4","2","7","7","1") = "6"
    & skf21("5","6","7","4","3","1","1","1") = "6"
    & skf21("5","6","7","4","3","1","2","1") = "6"
    & skf21("5","6","7","4","3","1","3","1") = "6"
    & skf21("5","6","7","4","3","1","4","1") = "6"
    & skf21("5","6","7","4","3","1","5","1") = "6"
    & skf21("5","6","7","4","3","1","6","1") = "6"
    & skf21("5","6","7","4","3","1","7","1") = "6"
    & skf21("5","6","7","4","3","2","1","1") = "6"
    & skf21("5","6","7","4","3","2","2","1") = "6"
    & skf21("5","6","7","4","3","2","3","1") = "6"
    & skf21("5","6","7","4","3","2","4","1") = "6"
    & skf21("5","6","7","4","3","2","5","1") = "6"
    & skf21("5","6","7","4","3","2","6","1") = "6"
    & skf21("5","6","7","4","3","2","7","1") = "6"
    & skf21("5","6","7","4","3","3","1","1") = "6"
    & skf21("5","6","7","4","3","3","2","1") = "6"
    & skf21("5","6","7","4","3","3","3","1") = "6"
    & skf21("5","6","7","4","3","3","4","1") = "6"
    & skf21("5","6","7","4","3","3","5","1") = "6"
    & skf21("5","6","7","4","3","3","6","1") = "6"
    & skf21("5","6","7","4","3","3","7","1") = "6"
    & skf21("5","6","7","4","3","4","1","1") = "6"
    & skf21("5","6","7","4","3","4","2","1") = "6"
    & skf21("5","6","7","4","3","4","3","1") = "6"
    & skf21("5","6","7","4","3","4","4","1") = "6"
    & skf21("5","6","7","4","3","4","5","1") = "6"
    & skf21("5","6","7","4","3","4","6","1") = "6"
    & skf21("5","6","7","4","3","4","7","1") = "6"
    & skf21("5","6","7","4","3","5","1","1") = "6"
    & skf21("5","6","7","4","3","5","2","1") = "6"
    & skf21("5","6","7","4","3","5","3","1") = "6"
    & skf21("5","6","7","4","3","5","4","1") = "6"
    & skf21("5","6","7","4","3","5","5","1") = "6"
    & skf21("5","6","7","4","3","5","6","1") = "6"
    & skf21("5","6","7","4","3","5","7","1") = "6"
    & skf21("5","6","7","4","3","6","1","1") = "6"
    & skf21("5","6","7","4","3","6","2","1") = "6"
    & skf21("5","6","7","4","3","6","3","1") = "6"
    & skf21("5","6","7","4","3","6","4","1") = "6"
    & skf21("5","6","7","4","3","6","5","1") = "6"
    & skf21("5","6","7","4","3","6","6","1") = "6"
    & skf21("5","6","7","4","3","6","7","1") = "6"
    & skf21("5","6","7","4","3","7","1","1") = "6"
    & skf21("5","6","7","4","3","7","2","1") = "6"
    & skf21("5","6","7","4","3","7","3","1") = "6"
    & skf21("5","6","7","4","3","7","4","1") = "6"
    & skf21("5","6","7","4","3","7","5","1") = "6"
    & skf21("5","6","7","4","3","7","6","1") = "6"
    & skf21("5","6","7","4","3","7","7","1") = "6"
    & skf21("5","6","7","4","4","1","1","1") = "6"
    & skf21("5","6","7","4","4","1","2","1") = "6"
    & skf21("5","6","7","4","4","1","3","1") = "6"
    & skf21("5","6","7","4","4","1","4","1") = "6"
    & skf21("5","6","7","4","4","1","5","1") = "6"
    & skf21("5","6","7","4","4","1","6","1") = "6"
    & skf21("5","6","7","4","4","1","7","1") = "6"
    & skf21("5","6","7","4","4","2","1","1") = "6"
    & skf21("5","6","7","4","4","2","2","1") = "6"
    & skf21("5","6","7","4","4","2","3","1") = "6"
    & skf21("5","6","7","4","4","2","4","1") = "6"
    & skf21("5","6","7","4","4","2","5","1") = "6"
    & skf21("5","6","7","4","4","2","6","1") = "6"
    & skf21("5","6","7","4","4","2","7","1") = "6"
    & skf21("5","6","7","4","4","3","1","1") = "6"
    & skf21("5","6","7","4","4","3","2","1") = "6"
    & skf21("5","6","7","4","4","3","3","1") = "6"
    & skf21("5","6","7","4","4","3","4","1") = "6"
    & skf21("5","6","7","4","4","3","5","1") = "6"
    & skf21("5","6","7","4","4","3","6","1") = "6"
    & skf21("5","6","7","4","4","3","7","1") = "6"
    & skf21("5","6","7","4","4","4","1","1") = "6"
    & skf21("5","6","7","4","4","4","2","1") = "6"
    & skf21("5","6","7","4","4","4","3","1") = "6"
    & skf21("5","6","7","4","4","4","4","1") = "6"
    & skf21("5","6","7","4","4","4","5","1") = "6"
    & skf21("5","6","7","4","4","4","6","1") = "6"
    & skf21("5","6","7","4","4","4","7","1") = "6"
    & skf21("5","6","7","4","4","5","1","1") = "6"
    & skf21("5","6","7","4","4","5","2","1") = "6"
    & skf21("5","6","7","4","4","5","3","1") = "6"
    & skf21("5","6","7","4","4","5","4","1") = "6"
    & skf21("5","6","7","4","4","5","5","1") = "6"
    & skf21("5","6","7","4","4","5","6","1") = "6"
    & skf21("5","6","7","4","4","5","7","1") = "6"
    & skf21("5","6","7","4","4","6","1","1") = "6"
    & skf21("5","6","7","4","4","6","2","1") = "6"
    & skf21("5","6","7","4","4","6","3","1") = "6"
    & skf21("5","6","7","4","4","6","4","1") = "6"
    & skf21("5","6","7","4","4","6","5","1") = "6"
    & skf21("5","6","7","4","4","6","6","1") = "6"
    & skf21("5","6","7","4","4","6","7","1") = "6"
    & skf21("5","6","7","4","4","7","1","1") = "6"
    & skf21("5","6","7","4","4","7","2","1") = "6"
    & skf21("5","6","7","4","4","7","3","1") = "6"
    & skf21("5","6","7","4","4","7","4","1") = "6"
    & skf21("5","6","7","4","4","7","5","1") = "6"
    & skf21("5","6","7","4","4","7","6","1") = "6"
    & skf21("5","6","7","4","4","7","7","1") = "6"
    & skf21("5","6","7","4","5","1","1","1") = "6"
    & skf21("5","6","7","4","5","1","2","1") = "6"
    & skf21("5","6","7","4","5","1","3","1") = "6"
    & skf21("5","6","7","4","5","1","4","1") = "6"
    & skf21("5","6","7","4","5","1","5","1") = "6"
    & skf21("5","6","7","4","5","1","6","1") = "6"
    & skf21("5","6","7","4","5","1","7","1") = "6"
    & skf21("5","6","7","4","5","2","1","1") = "6"
    & skf21("5","6","7","4","5","2","2","1") = "6"
    & skf21("5","6","7","4","5","2","3","1") = "6"
    & skf21("5","6","7","4","5","2","4","1") = "6"
    & skf21("5","6","7","4","5","2","5","1") = "6"
    & skf21("5","6","7","4","5","2","6","1") = "6"
    & skf21("5","6","7","4","5","2","7","1") = "6"
    & skf21("5","6","7","4","5","3","1","1") = "6"
    & skf21("5","6","7","4","5","3","2","1") = "6"
    & skf21("5","6","7","4","5","3","3","1") = "6"
    & skf21("5","6","7","4","5","3","4","1") = "6"
    & skf21("5","6","7","4","5","3","5","1") = "6"
    & skf21("5","6","7","4","5","3","6","1") = "6"
    & skf21("5","6","7","4","5","3","7","1") = "6"
    & skf21("5","6","7","4","5","4","1","1") = "6"
    & skf21("5","6","7","4","5","4","2","1") = "6"
    & skf21("5","6","7","4","5","4","3","1") = "6"
    & skf21("5","6","7","4","5","4","4","1") = "6"
    & skf21("5","6","7","4","5","4","5","1") = "6"
    & skf21("5","6","7","4","5","4","6","1") = "6"
    & skf21("5","6","7","4","5","4","7","1") = "6"
    & skf21("5","6","7","4","5","5","1","1") = "6"
    & skf21("5","6","7","4","5","5","2","1") = "6"
    & skf21("5","6","7","4","5","5","3","1") = "6"
    & skf21("5","6","7","4","5","5","4","1") = "6"
    & skf21("5","6","7","4","5","5","5","1") = "6"
    & skf21("5","6","7","4","5","5","6","1") = "6"
    & skf21("5","6","7","4","5","5","7","1") = "6"
    & skf21("5","6","7","4","5","6","1","1") = "6"
    & skf21("5","6","7","4","5","6","2","1") = "6"
    & skf21("5","6","7","4","5","6","3","1") = "6"
    & skf21("5","6","7","4","5","6","4","1") = "6"
    & skf21("5","6","7","4","5","6","5","1") = "6"
    & skf21("5","6","7","4","5","6","6","1") = "6"
    & skf21("5","6","7","4","5","6","7","1") = "6"
    & skf21("5","6","7","4","5","7","1","1") = "6"
    & skf21("5","6","7","4","5","7","2","1") = "6"
    & skf21("5","6","7","4","5","7","3","1") = "6"
    & skf21("5","6","7","4","5","7","4","1") = "6"
    & skf21("5","6","7","4","5","7","5","1") = "6"
    & skf21("5","6","7","4","5","7","6","1") = "6"
    & skf21("5","6","7","4","5","7","7","1") = "6"
    & skf21("5","6","7","4","6","1","1","1") = "6"
    & skf21("5","6","7","4","6","1","2","1") = "6"
    & skf21("5","6","7","4","6","1","3","1") = "6"
    & skf21("5","6","7","4","6","1","4","1") = "6"
    & skf21("5","6","7","4","6","1","5","1") = "6"
    & skf21("5","6","7","4","6","1","6","1") = "6"
    & skf21("5","6","7","4","6","1","7","1") = "6"
    & skf21("5","6","7","4","6","2","1","1") = "6"
    & skf21("5","6","7","4","6","2","2","1") = "6"
    & skf21("5","6","7","4","6","2","3","1") = "6"
    & skf21("5","6","7","4","6","2","4","1") = "6"
    & skf21("5","6","7","4","6","2","5","1") = "6"
    & skf21("5","6","7","4","6","2","6","1") = "6"
    & skf21("5","6","7","4","6","2","7","1") = "6"
    & skf21("5","6","7","4","6","3","1","1") = "6"
    & skf21("5","6","7","4","6","3","2","1") = "6"
    & skf21("5","6","7","4","6","3","3","1") = "6"
    & skf21("5","6","7","4","6","3","4","1") = "6"
    & skf21("5","6","7","4","6","3","5","1") = "6"
    & skf21("5","6","7","4","6","3","6","1") = "6"
    & skf21("5","6","7","4","6","3","7","1") = "6"
    & skf21("5","6","7","4","6","4","1","1") = "6"
    & skf21("5","6","7","4","6","4","2","1") = "6"
    & skf21("5","6","7","4","6","4","3","1") = "6"
    & skf21("5","6","7","4","6","4","4","1") = "6"
    & skf21("5","6","7","4","6","4","5","1") = "6"
    & skf21("5","6","7","4","6","4","6","1") = "6"
    & skf21("5","6","7","4","6","4","7","1") = "6"
    & skf21("5","6","7","4","6","5","1","1") = "6"
    & skf21("5","6","7","4","6","5","2","1") = "6"
    & skf21("5","6","7","4","6","5","3","1") = "6"
    & skf21("5","6","7","4","6","5","4","1") = "6"
    & skf21("5","6","7","4","6","5","5","1") = "6"
    & skf21("5","6","7","4","6","5","6","1") = "6"
    & skf21("5","6","7","4","6","5","7","1") = "6"
    & skf21("5","6","7","4","6","6","1","1") = "6"
    & skf21("5","6","7","4","6","6","2","1") = "6"
    & skf21("5","6","7","4","6","6","3","1") = "6"
    & skf21("5","6","7","4","6","6","4","1") = "6"
    & skf21("5","6","7","4","6","6","5","1") = "6"
    & skf21("5","6","7","4","6","6","6","1") = "6"
    & skf21("5","6","7","4","6","6","7","1") = "6"
    & skf21("5","6","7","4","6","7","1","1") = "6"
    & skf21("5","6","7","4","6","7","2","1") = "6"
    & skf21("5","6","7","4","6","7","3","1") = "6"
    & skf21("5","6","7","4","6","7","4","1") = "6"
    & skf21("5","6","7","4","6","7","5","1") = "6"
    & skf21("5","6","7","4","6","7","6","1") = "6"
    & skf21("5","6","7","4","6","7","7","1") = "6"
    & skf21("5","6","7","4","7","1","1","1") = "6"
    & skf21("5","6","7","4","7","1","2","1") = "6"
    & skf21("5","6","7","4","7","1","3","1") = "6"
    & skf21("5","6","7","4","7","1","4","1") = "6"
    & skf21("5","6","7","4","7","1","5","1") = "6"
    & skf21("5","6","7","4","7","1","6","1") = "6"
    & skf21("5","6","7","4","7","1","7","1") = "6"
    & skf21("5","6","7","4","7","2","1","1") = "6"
    & skf21("5","6","7","4","7","2","2","1") = "6"
    & skf21("5","6","7","4","7","2","3","1") = "6"
    & skf21("5","6","7","4","7","2","4","1") = "6"
    & skf21("5","6","7","4","7","2","5","1") = "6"
    & skf21("5","6","7","4","7","2","6","1") = "6"
    & skf21("5","6","7","4","7","2","7","1") = "6"
    & skf21("5","6","7","4","7","3","1","1") = "6"
    & skf21("5","6","7","4","7","3","2","1") = "6"
    & skf21("5","6","7","4","7","3","3","1") = "6"
    & skf21("5","6","7","4","7","3","4","1") = "6"
    & skf21("5","6","7","4","7","3","5","1") = "6"
    & skf21("5","6","7","4","7","3","6","1") = "6"
    & skf21("5","6","7","4","7","3","7","1") = "6"
    & skf21("5","6","7","4","7","4","1","1") = "6"
    & skf21("5","6","7","4","7","4","2","1") = "6"
    & skf21("5","6","7","4","7","4","3","1") = "6"
    & skf21("5","6","7","4","7","4","4","1") = "6"
    & skf21("5","6","7","4","7","4","5","1") = "6"
    & skf21("5","6","7","4","7","4","6","1") = "6"
    & skf21("5","6","7","4","7","4","7","1") = "6"
    & skf21("5","6","7","4","7","5","1","1") = "6"
    & skf21("5","6","7","4","7","5","2","1") = "6"
    & skf21("5","6","7","4","7","5","3","1") = "6"
    & skf21("5","6","7","4","7","5","4","1") = "6"
    & skf21("5","6","7","4","7","5","5","1") = "6"
    & skf21("5","6","7","4","7","5","6","1") = "6"
    & skf21("5","6","7","4","7","5","7","1") = "6"
    & skf21("5","6","7","4","7","6","1","1") = "6"
    & skf21("5","6","7","4","7","6","2","1") = "6"
    & skf21("5","6","7","4","7","6","3","1") = "6"
    & skf21("5","6","7","4","7","6","4","1") = "6"
    & skf21("5","6","7","4","7","6","5","1") = "6"
    & skf21("5","6","7","4","7","6","6","1") = "6"
    & skf21("5","6","7","4","7","6","7","1") = "6"
    & skf21("5","6","7","4","7","7","1","1") = "6"
    & skf21("5","6","7","4","7","7","2","1") = "6"
    & skf21("5","6","7","4","7","7","3","1") = "6"
    & skf21("5","6","7","4","7","7","4","1") = "6"
    & skf21("5","6","7","4","7","7","5","1") = "6"
    & skf21("5","6","7","4","7","7","6","1") = "6"
    & skf21("5","6","7","4","7","7","7","1") = "6"
    & skf21("5","6","7","5","1","1","1","1") = "6"
    & skf21("5","6","7","5","1","1","2","1") = "6"
    & skf21("5","6","7","5","1","1","3","1") = "6"
    & skf21("5","6","7","5","1","1","4","1") = "6"
    & skf21("5","6","7","5","1","1","5","1") = "6"
    & skf21("5","6","7","5","1","1","6","1") = "6"
    & skf21("5","6","7","5","1","1","7","1") = "6"
    & skf21("5","6","7","5","1","2","1","1") = "6"
    & skf21("5","6","7","5","1","2","2","1") = "6"
    & skf21("5","6","7","5","1","2","3","1") = "6"
    & skf21("5","6","7","5","1","2","4","1") = "6"
    & skf21("5","6","7","5","1","2","5","1") = "6"
    & skf21("5","6","7","5","1","2","6","1") = "6"
    & skf21("5","6","7","5","1","2","7","1") = "6"
    & skf21("5","6","7","5","1","3","1","1") = "6"
    & skf21("5","6","7","5","1","3","2","1") = "6"
    & skf21("5","6","7","5","1","3","3","1") = "6"
    & skf21("5","6","7","5","1","3","4","1") = "6"
    & skf21("5","6","7","5","1","3","5","1") = "6"
    & skf21("5","6","7","5","1","3","6","1") = "6"
    & skf21("5","6","7","5","1","3","7","1") = "6"
    & skf21("5","6","7","5","1","4","1","1") = "6"
    & skf21("5","6","7","5","1","4","2","1") = "6"
    & skf21("5","6","7","5","1","4","3","1") = "6"
    & skf21("5","6","7","5","1","4","4","1") = "6"
    & skf21("5","6","7","5","1","4","5","1") = "6"
    & skf21("5","6","7","5","1","4","6","1") = "6"
    & skf21("5","6","7","5","1","4","7","1") = "6"
    & skf21("5","6","7","5","1","5","1","1") = "6"
    & skf21("5","6","7","5","1","5","2","1") = "6"
    & skf21("5","6","7","5","1","5","3","1") = "6"
    & skf21("5","6","7","5","1","5","4","1") = "6"
    & skf21("5","6","7","5","1","5","5","1") = "6"
    & skf21("5","6","7","5","1","5","6","1") = "6"
    & skf21("5","6","7","5","1","5","7","1") = "6"
    & skf21("5","6","7","5","1","6","1","1") = "6"
    & skf21("5","6","7","5","1","6","2","1") = "6"
    & skf21("5","6","7","5","1","6","3","1") = "6"
    & skf21("5","6","7","5","1","6","4","1") = "6"
    & skf21("5","6","7","5","1","6","5","1") = "6"
    & skf21("5","6","7","5","1","6","6","1") = "6"
    & skf21("5","6","7","5","1","6","7","1") = "6"
    & skf21("5","6","7","5","1","7","1","1") = "6"
    & skf21("5","6","7","5","1","7","2","1") = "6"
    & skf21("5","6","7","5","1","7","3","1") = "6"
    & skf21("5","6","7","5","1","7","4","1") = "6"
    & skf21("5","6","7","5","1","7","5","1") = "6"
    & skf21("5","6","7","5","1","7","6","1") = "6"
    & skf21("5","6","7","5","1","7","7","1") = "6"
    & skf21("5","6","7","5","2","1","1","1") = "6"
    & skf21("5","6","7","5","2","1","2","1") = "6"
    & skf21("5","6","7","5","2","1","3","1") = "6"
    & skf21("5","6","7","5","2","1","4","1") = "6"
    & skf21("5","6","7","5","2","1","5","1") = "6"
    & skf21("5","6","7","5","2","1","6","1") = "6"
    & skf21("5","6","7","5","2","1","7","1") = "6"
    & skf21("5","6","7","5","2","2","1","1") = "6"
    & skf21("5","6","7","5","2","2","2","1") = "6"
    & skf21("5","6","7","5","2","2","3","1") = "6"
    & skf21("5","6","7","5","2","2","4","1") = "6"
    & skf21("5","6","7","5","2","2","5","1") = "6"
    & skf21("5","6","7","5","2","2","6","1") = "6"
    & skf21("5","6","7","5","2","2","7","1") = "6"
    & skf21("5","6","7","5","2","3","1","1") = "6"
    & skf21("5","6","7","5","2","3","2","1") = "6"
    & skf21("5","6","7","5","2","3","3","1") = "6"
    & skf21("5","6","7","5","2","3","4","1") = "6"
    & skf21("5","6","7","5","2","3","5","1") = "6"
    & skf21("5","6","7","5","2","3","6","1") = "6"
    & skf21("5","6","7","5","2","3","7","1") = "6"
    & skf21("5","6","7","5","2","4","1","1") = "6"
    & skf21("5","6","7","5","2","4","2","1") = "6"
    & skf21("5","6","7","5","2","4","3","1") = "6"
    & skf21("5","6","7","5","2","4","4","1") = "6"
    & skf21("5","6","7","5","2","4","5","1") = "6"
    & skf21("5","6","7","5","2","4","6","1") = "6"
    & skf21("5","6","7","5","2","4","7","1") = "6"
    & skf21("5","6","7","5","2","5","1","1") = "6"
    & skf21("5","6","7","5","2","5","2","1") = "6"
    & skf21("5","6","7","5","2","5","3","1") = "6"
    & skf21("5","6","7","5","2","5","4","1") = "6"
    & skf21("5","6","7","5","2","5","5","1") = "6"
    & skf21("5","6","7","5","2","5","6","1") = "6"
    & skf21("5","6","7","5","2","5","7","1") = "6"
    & skf21("5","6","7","5","2","6","1","1") = "6"
    & skf21("5","6","7","5","2","6","2","1") = "6"
    & skf21("5","6","7","5","2","6","3","1") = "6"
    & skf21("5","6","7","5","2","6","4","1") = "6"
    & skf21("5","6","7","5","2","6","5","1") = "6"
    & skf21("5","6","7","5","2","6","6","1") = "6"
    & skf21("5","6","7","5","2","6","7","1") = "6"
    & skf21("5","6","7","5","2","7","1","1") = "6"
    & skf21("5","6","7","5","2","7","2","1") = "6"
    & skf21("5","6","7","5","2","7","3","1") = "6"
    & skf21("5","6","7","5","2","7","4","1") = "6"
    & skf21("5","6","7","5","2","7","5","1") = "6"
    & skf21("5","6","7","5","2","7","6","1") = "6"
    & skf21("5","6","7","5","2","7","7","1") = "6"
    & skf21("5","6","7","5","3","1","1","1") = "6"
    & skf21("5","6","7","5","3","1","2","1") = "6"
    & skf21("5","6","7","5","3","1","3","1") = "6"
    & skf21("5","6","7","5","3","1","4","1") = "6"
    & skf21("5","6","7","5","3","1","5","1") = "6"
    & skf21("5","6","7","5","3","1","6","1") = "6"
    & skf21("5","6","7","5","3","1","7","1") = "6"
    & skf21("5","6","7","5","3","2","1","1") = "6"
    & skf21("5","6","7","5","3","2","2","1") = "6"
    & skf21("5","6","7","5","3","2","3","1") = "6"
    & skf21("5","6","7","5","3","2","4","1") = "6"
    & skf21("5","6","7","5","3","2","5","1") = "6"
    & skf21("5","6","7","5","3","2","6","1") = "6"
    & skf21("5","6","7","5","3","2","7","1") = "6"
    & skf21("5","6","7","5","3","3","1","1") = "6"
    & skf21("5","6","7","5","3","3","2","1") = "6"
    & skf21("5","6","7","5","3","3","3","1") = "6"
    & skf21("5","6","7","5","3","3","4","1") = "6"
    & skf21("5","6","7","5","3","3","5","1") = "6"
    & skf21("5","6","7","5","3","3","6","1") = "6"
    & skf21("5","6","7","5","3","3","7","1") = "6"
    & skf21("5","6","7","5","3","4","1","1") = "6"
    & skf21("5","6","7","5","3","4","2","1") = "6"
    & skf21("5","6","7","5","3","4","3","1") = "6"
    & skf21("5","6","7","5","3","4","4","1") = "6"
    & skf21("5","6","7","5","3","4","5","1") = "6"
    & skf21("5","6","7","5","3","4","6","1") = "6"
    & skf21("5","6","7","5","3","4","7","1") = "6"
    & skf21("5","6","7","5","3","5","1","1") = "6"
    & skf21("5","6","7","5","3","5","2","1") = "6"
    & skf21("5","6","7","5","3","5","3","1") = "6"
    & skf21("5","6","7","5","3","5","4","1") = "6"
    & skf21("5","6","7","5","3","5","5","1") = "6"
    & skf21("5","6","7","5","3","5","6","1") = "6"
    & skf21("5","6","7","5","3","5","7","1") = "6"
    & skf21("5","6","7","5","3","6","1","1") = "6"
    & skf21("5","6","7","5","3","6","2","1") = "6"
    & skf21("5","6","7","5","3","6","3","1") = "6"
    & skf21("5","6","7","5","3","6","4","1") = "6"
    & skf21("5","6","7","5","3","6","5","1") = "6"
    & skf21("5","6","7","5","3","6","6","1") = "6"
    & skf21("5","6","7","5","3","6","7","1") = "6"
    & skf21("5","6","7","5","3","7","1","1") = "6"
    & skf21("5","6","7","5","3","7","2","1") = "6"
    & skf21("5","6","7","5","3","7","3","1") = "6"
    & skf21("5","6","7","5","3","7","4","1") = "6"
    & skf21("5","6","7","5","3","7","5","1") = "6"
    & skf21("5","6","7","5","3","7","6","1") = "6"
    & skf21("5","6","7","5","3","7","7","1") = "6"
    & skf21("5","6","7","5","4","1","1","1") = "6"
    & skf21("5","6","7","5","4","1","2","1") = "6"
    & skf21("5","6","7","5","4","1","3","1") = "6"
    & skf21("5","6","7","5","4","1","4","1") = "6"
    & skf21("5","6","7","5","4","1","5","1") = "6"
    & skf21("5","6","7","5","4","1","6","1") = "6"
    & skf21("5","6","7","5","4","1","7","1") = "6"
    & skf21("5","6","7","5","4","2","1","1") = "6"
    & skf21("5","6","7","5","4","2","2","1") = "6"
    & skf21("5","6","7","5","4","2","3","1") = "6"
    & skf21("5","6","7","5","4","2","4","1") = "6"
    & skf21("5","6","7","5","4","2","5","1") = "6"
    & skf21("5","6","7","5","4","2","6","1") = "6"
    & skf21("5","6","7","5","4","2","7","1") = "6"
    & skf21("5","6","7","5","4","3","1","1") = "6"
    & skf21("5","6","7","5","4","3","2","1") = "6"
    & skf21("5","6","7","5","4","3","3","1") = "6"
    & skf21("5","6","7","5","4","3","4","1") = "6"
    & skf21("5","6","7","5","4","3","5","1") = "6"
    & skf21("5","6","7","5","4","3","6","1") = "6"
    & skf21("5","6","7","5","4","3","7","1") = "6"
    & skf21("5","6","7","5","4","4","1","1") = "6"
    & skf21("5","6","7","5","4","4","2","1") = "6"
    & skf21("5","6","7","5","4","4","3","1") = "6"
    & skf21("5","6","7","5","4","4","4","1") = "6"
    & skf21("5","6","7","5","4","4","5","1") = "6"
    & skf21("5","6","7","5","4","4","6","1") = "6"
    & skf21("5","6","7","5","4","4","7","1") = "6"
    & skf21("5","6","7","5","4","5","1","1") = "6"
    & skf21("5","6","7","5","4","5","2","1") = "6"
    & skf21("5","6","7","5","4","5","3","1") = "6"
    & skf21("5","6","7","5","4","5","4","1") = "6"
    & skf21("5","6","7","5","4","5","5","1") = "6"
    & skf21("5","6","7","5","4","5","6","1") = "6"
    & skf21("5","6","7","5","4","5","7","1") = "6"
    & skf21("5","6","7","5","4","6","1","1") = "6"
    & skf21("5","6","7","5","4","6","2","1") = "6"
    & skf21("5","6","7","5","4","6","3","1") = "6"
    & skf21("5","6","7","5","4","6","4","1") = "6"
    & skf21("5","6","7","5","4","6","5","1") = "6"
    & skf21("5","6","7","5","4","6","6","1") = "6"
    & skf21("5","6","7","5","4","6","7","1") = "6"
    & skf21("5","6","7","5","4","7","1","1") = "6"
    & skf21("5","6","7","5","4","7","2","1") = "6"
    & skf21("5","6","7","5","4","7","3","1") = "6"
    & skf21("5","6","7","5","4","7","4","1") = "6"
    & skf21("5","6","7","5","4","7","5","1") = "6"
    & skf21("5","6","7","5","4","7","6","1") = "6"
    & skf21("5","6","7","5","4","7","7","1") = "6"
    & skf21("5","6","7","5","5","1","1","1") = "6"
    & skf21("5","6","7","5","5","1","2","1") = "6"
    & skf21("5","6","7","5","5","1","3","1") = "6"
    & skf21("5","6","7","5","5","1","4","1") = "6"
    & skf21("5","6","7","5","5","1","5","1") = "6"
    & skf21("5","6","7","5","5","1","6","1") = "6"
    & skf21("5","6","7","5","5","1","7","1") = "6"
    & skf21("5","6","7","5","5","2","1","1") = "6"
    & skf21("5","6","7","5","5","2","2","1") = "6"
    & skf21("5","6","7","5","5","2","3","1") = "6"
    & skf21("5","6","7","5","5","2","4","1") = "6"
    & skf21("5","6","7","5","5","2","5","1") = "6"
    & skf21("5","6","7","5","5","2","6","1") = "6"
    & skf21("5","6","7","5","5","2","7","1") = "6"
    & skf21("5","6","7","5","5","3","1","1") = "6"
    & skf21("5","6","7","5","5","3","2","1") = "6"
    & skf21("5","6","7","5","5","3","3","1") = "6"
    & skf21("5","6","7","5","5","3","4","1") = "6"
    & skf21("5","6","7","5","5","3","5","1") = "6"
    & skf21("5","6","7","5","5","3","6","1") = "6"
    & skf21("5","6","7","5","5","3","7","1") = "6"
    & skf21("5","6","7","5","5","4","1","1") = "6"
    & skf21("5","6","7","5","5","4","2","1") = "6"
    & skf21("5","6","7","5","5","4","3","1") = "6"
    & skf21("5","6","7","5","5","4","4","1") = "6"
    & skf21("5","6","7","5","5","4","5","1") = "6"
    & skf21("5","6","7","5","5","4","6","1") = "6"
    & skf21("5","6","7","5","5","4","7","1") = "6"
    & skf21("5","6","7","5","5","5","1","1") = "6"
    & skf21("5","6","7","5","5","5","2","1") = "6"
    & skf21("5","6","7","5","5","5","3","1") = "6"
    & skf21("5","6","7","5","5","5","4","1") = "6"
    & skf21("5","6","7","5","5","5","5","1") = "6"
    & skf21("5","6","7","5","5","5","6","1") = "6"
    & skf21("5","6","7","5","5","5","7","1") = "6"
    & skf21("5","6","7","5","5","6","1","1") = "6"
    & skf21("5","6","7","5","5","6","2","1") = "6"
    & skf21("5","6","7","5","5","6","3","1") = "6"
    & skf21("5","6","7","5","5","6","4","1") = "6"
    & skf21("5","6","7","5","5","6","5","1") = "6"
    & skf21("5","6","7","5","5","6","6","1") = "6"
    & skf21("5","6","7","5","5","6","7","1") = "6"
    & skf21("5","6","7","5","5","7","1","1") = "6"
    & skf21("5","6","7","5","5","7","2","1") = "6"
    & skf21("5","6","7","5","5","7","3","1") = "6"
    & skf21("5","6","7","5","5","7","4","1") = "6"
    & skf21("5","6","7","5","5","7","5","1") = "6"
    & skf21("5","6","7","5","5","7","6","1") = "6"
    & skf21("5","6","7","5","5","7","7","1") = "6"
    & skf21("5","6","7","5","6","1","1","1") = "6"
    & skf21("5","6","7","5","6","1","2","1") = "6"
    & skf21("5","6","7","5","6","1","3","1") = "6"
    & skf21("5","6","7","5","6","1","4","1") = "6"
    & skf21("5","6","7","5","6","1","5","1") = "6"
    & skf21("5","6","7","5","6","1","6","1") = "6"
    & skf21("5","6","7","5","6","1","7","1") = "6"
    & skf21("5","6","7","5","6","2","1","1") = "6"
    & skf21("5","6","7","5","6","2","2","1") = "6"
    & skf21("5","6","7","5","6","2","3","1") = "6"
    & skf21("5","6","7","5","6","2","4","1") = "6"
    & skf21("5","6","7","5","6","2","5","1") = "6"
    & skf21("5","6","7","5","6","2","6","1") = "6"
    & skf21("5","6","7","5","6","2","7","1") = "6"
    & skf21("5","6","7","5","6","3","1","1") = "6"
    & skf21("5","6","7","5","6","3","2","1") = "6"
    & skf21("5","6","7","5","6","3","3","1") = "6"
    & skf21("5","6","7","5","6","3","4","1") = "6"
    & skf21("5","6","7","5","6","3","5","1") = "6"
    & skf21("5","6","7","5","6","3","6","1") = "6"
    & skf21("5","6","7","5","6","3","7","1") = "6"
    & skf21("5","6","7","5","6","4","1","1") = "6"
    & skf21("5","6","7","5","6","4","2","1") = "6"
    & skf21("5","6","7","5","6","4","3","1") = "6"
    & skf21("5","6","7","5","6","4","4","1") = "6"
    & skf21("5","6","7","5","6","4","5","1") = "6"
    & skf21("5","6","7","5","6","4","6","1") = "6"
    & skf21("5","6","7","5","6","4","7","1") = "6"
    & skf21("5","6","7","5","6","5","1","1") = "6"
    & skf21("5","6","7","5","6","5","2","1") = "6"
    & skf21("5","6","7","5","6","5","3","1") = "6"
    & skf21("5","6","7","5","6","5","4","1") = "6"
    & skf21("5","6","7","5","6","5","5","1") = "6"
    & skf21("5","6","7","5","6","5","6","1") = "6"
    & skf21("5","6","7","5","6","5","7","1") = "6"
    & skf21("5","6","7","5","6","6","1","1") = "6"
    & skf21("5","6","7","5","6","6","2","1") = "6"
    & skf21("5","6","7","5","6","6","3","1") = "6"
    & skf21("5","6","7","5","6","6","4","1") = "6"
    & skf21("5","6","7","5","6","6","5","1") = "6"
    & skf21("5","6","7","5","6","6","6","1") = "6"
    & skf21("5","6","7","5","6","6","7","1") = "6"
    & skf21("5","6","7","5","6","7","1","1") = "6"
    & skf21("5","6","7","5","6","7","2","1") = "6"
    & skf21("5","6","7","5","6","7","3","1") = "6"
    & skf21("5","6","7","5","6","7","4","1") = "6"
    & skf21("5","6","7","5","6","7","5","1") = "6"
    & skf21("5","6","7","5","6","7","6","1") = "6"
    & skf21("5","6","7","5","6","7","7","1") = "6"
    & skf21("5","6","7","5","7","1","1","1") = "6"
    & skf21("5","6","7","5","7","1","2","1") = "6"
    & skf21("5","6","7","5","7","1","3","1") = "6"
    & skf21("5","6","7","5","7","1","4","1") = "6"
    & skf21("5","6","7","5","7","1","5","1") = "6"
    & skf21("5","6","7","5","7","1","6","1") = "6"
    & skf21("5","6","7","5","7","1","7","1") = "6"
    & skf21("5","6","7","5","7","2","1","1") = "6"
    & skf21("5","6","7","5","7","2","2","1") = "6"
    & skf21("5","6","7","5","7","2","3","1") = "6"
    & skf21("5","6","7","5","7","2","4","1") = "6"
    & skf21("5","6","7","5","7","2","5","1") = "6"
    & skf21("5","6","7","5","7","2","6","1") = "6"
    & skf21("5","6","7","5","7","2","7","1") = "6"
    & skf21("5","6","7","5","7","3","1","1") = "6"
    & skf21("5","6","7","5","7","3","2","1") = "6"
    & skf21("5","6","7","5","7","3","3","1") = "6"
    & skf21("5","6","7","5","7","3","4","1") = "6"
    & skf21("5","6","7","5","7","3","5","1") = "6"
    & skf21("5","6","7","5","7","3","6","1") = "6"
    & skf21("5","6","7","5","7","3","7","1") = "6"
    & skf21("5","6","7","5","7","4","1","1") = "6"
    & skf21("5","6","7","5","7","4","2","1") = "6"
    & skf21("5","6","7","5","7","4","3","1") = "6"
    & skf21("5","6","7","5","7","4","4","1") = "6"
    & skf21("5","6","7","5","7","4","5","1") = "6"
    & skf21("5","6","7","5","7","4","6","1") = "6"
    & skf21("5","6","7","5","7","4","7","1") = "6"
    & skf21("5","6","7","5","7","5","1","1") = "6"
    & skf21("5","6","7","5","7","5","2","1") = "6"
    & skf21("5","6","7","5","7","5","3","1") = "6"
    & skf21("5","6","7","5","7","5","4","1") = "6"
    & skf21("5","6","7","5","7","5","5","1") = "6"
    & skf21("5","6","7","5","7","5","6","1") = "6"
    & skf21("5","6","7","5","7","5","7","1") = "6"
    & skf21("5","6","7","5","7","6","1","1") = "6"
    & skf21("5","6","7","5","7","6","2","1") = "6"
    & skf21("5","6","7","5","7","6","3","1") = "6"
    & skf21("5","6","7","5","7","6","4","1") = "6"
    & skf21("5","6","7","5","7","6","5","1") = "6"
    & skf21("5","6","7","5","7","6","6","1") = "6"
    & skf21("5","6","7","5","7","6","7","1") = "6"
    & skf21("5","6","7","5","7","7","1","1") = "6"
    & skf21("5","6","7","5","7","7","2","1") = "6"
    & skf21("5","6","7","5","7","7","3","1") = "6"
    & skf21("5","6","7","5","7","7","4","1") = "6"
    & skf21("5","6","7","5","7","7","5","1") = "6"
    & skf21("5","6","7","5","7","7","6","1") = "6"
    & skf21("5","6","7","5","7","7","7","1") = "6"
    & skf21("5","6","7","6","1","1","1","1") = "6"
    & skf21("5","6","7","6","1","1","2","1") = "6"
    & skf21("5","6","7","6","1","1","3","1") = "6"
    & skf21("5","6","7","6","1","1","4","1") = "6"
    & skf21("5","6","7","6","1","1","5","1") = "6"
    & skf21("5","6","7","6","1","1","6","1") = "6"
    & skf21("5","6","7","6","1","1","7","1") = "6"
    & skf21("5","6","7","6","1","2","1","1") = "6"
    & skf21("5","6","7","6","1","2","2","1") = "6"
    & skf21("5","6","7","6","1","2","3","1") = "6"
    & skf21("5","6","7","6","1","2","4","1") = "6"
    & skf21("5","6","7","6","1","2","5","1") = "6"
    & skf21("5","6","7","6","1","2","6","1") = "6"
    & skf21("5","6","7","6","1","2","7","1") = "6"
    & skf21("5","6","7","6","1","3","1","1") = "6"
    & skf21("5","6","7","6","1","3","2","1") = "6"
    & skf21("5","6","7","6","1","3","3","1") = "6"
    & skf21("5","6","7","6","1","3","4","1") = "6"
    & skf21("5","6","7","6","1","3","5","1") = "6"
    & skf21("5","6","7","6","1","3","6","1") = "6"
    & skf21("5","6","7","6","1","3","7","1") = "6"
    & skf21("5","6","7","6","1","4","1","1") = "6"
    & skf21("5","6","7","6","1","4","2","1") = "6"
    & skf21("5","6","7","6","1","4","3","1") = "6"
    & skf21("5","6","7","6","1","4","4","1") = "6"
    & skf21("5","6","7","6","1","4","5","1") = "6"
    & skf21("5","6","7","6","1","4","6","1") = "6"
    & skf21("5","6","7","6","1","4","7","1") = "6"
    & skf21("5","6","7","6","1","5","1","1") = "6"
    & skf21("5","6","7","6","1","5","2","1") = "6"
    & skf21("5","6","7","6","1","5","3","1") = "6"
    & skf21("5","6","7","6","1","5","4","1") = "6"
    & skf21("5","6","7","6","1","5","5","1") = "6"
    & skf21("5","6","7","6","1","5","6","1") = "6"
    & skf21("5","6","7","6","1","5","7","1") = "6"
    & skf21("5","6","7","6","1","6","1","1") = "6"
    & skf21("5","6","7","6","1","6","2","1") = "6"
    & skf21("5","6","7","6","1","6","3","1") = "6"
    & skf21("5","6","7","6","1","6","4","1") = "6"
    & skf21("5","6","7","6","1","6","5","1") = "6"
    & skf21("5","6","7","6","1","6","6","1") = "6"
    & skf21("5","6","7","6","1","6","7","1") = "6"
    & skf21("5","6","7","6","1","7","1","1") = "6"
    & skf21("5","6","7","6","1","7","2","1") = "6"
    & skf21("5","6","7","6","1","7","3","1") = "6"
    & skf21("5","6","7","6","1","7","4","1") = "6"
    & skf21("5","6","7","6","1","7","5","1") = "6"
    & skf21("5","6","7","6","1","7","6","1") = "6"
    & skf21("5","6","7","6","1","7","7","1") = "6"
    & skf21("5","6","7","6","2","1","1","1") = "6"
    & skf21("5","6","7","6","2","1","2","1") = "6"
    & skf21("5","6","7","6","2","1","3","1") = "6"
    & skf21("5","6","7","6","2","1","4","1") = "6"
    & skf21("5","6","7","6","2","1","5","1") = "6"
    & skf21("5","6","7","6","2","1","6","1") = "6"
    & skf21("5","6","7","6","2","1","7","1") = "6"
    & skf21("5","6","7","6","2","2","1","1") = "6"
    & skf21("5","6","7","6","2","2","2","1") = "6"
    & skf21("5","6","7","6","2","2","3","1") = "6"
    & skf21("5","6","7","6","2","2","4","1") = "6"
    & skf21("5","6","7","6","2","2","5","1") = "6"
    & skf21("5","6","7","6","2","2","6","1") = "6"
    & skf21("5","6","7","6","2","2","7","1") = "6"
    & skf21("5","6","7","6","2","3","1","1") = "6"
    & skf21("5","6","7","6","2","3","2","1") = "6"
    & skf21("5","6","7","6","2","3","3","1") = "6"
    & skf21("5","6","7","6","2","3","4","1") = "6"
    & skf21("5","6","7","6","2","3","5","1") = "6"
    & skf21("5","6","7","6","2","3","6","1") = "6"
    & skf21("5","6","7","6","2","3","7","1") = "6"
    & skf21("5","6","7","6","2","4","1","1") = "6"
    & skf21("5","6","7","6","2","4","2","1") = "6"
    & skf21("5","6","7","6","2","4","3","1") = "6"
    & skf21("5","6","7","6","2","4","4","1") = "6"
    & skf21("5","6","7","6","2","4","5","1") = "6"
    & skf21("5","6","7","6","2","4","6","1") = "6"
    & skf21("5","6","7","6","2","4","7","1") = "6"
    & skf21("5","6","7","6","2","5","1","1") = "6"
    & skf21("5","6","7","6","2","5","2","1") = "6"
    & skf21("5","6","7","6","2","5","3","1") = "6"
    & skf21("5","6","7","6","2","5","4","1") = "6"
    & skf21("5","6","7","6","2","5","5","1") = "6"
    & skf21("5","6","7","6","2","5","6","1") = "6"
    & skf21("5","6","7","6","2","5","7","1") = "6"
    & skf21("5","6","7","6","2","6","1","1") = "6"
    & skf21("5","6","7","6","2","6","2","1") = "6"
    & skf21("5","6","7","6","2","6","3","1") = "6"
    & skf21("5","6","7","6","2","6","4","1") = "6"
    & skf21("5","6","7","6","2","6","5","1") = "6"
    & skf21("5","6","7","6","2","6","6","1") = "6"
    & skf21("5","6","7","6","2","6","7","1") = "6"
    & skf21("5","6","7","6","2","7","1","1") = "6"
    & skf21("5","6","7","6","2","7","2","1") = "6"
    & skf21("5","6","7","6","2","7","3","1") = "6"
    & skf21("5","6","7","6","2","7","4","1") = "6"
    & skf21("5","6","7","6","2","7","5","1") = "6"
    & skf21("5","6","7","6","2","7","6","1") = "6"
    & skf21("5","6","7","6","2","7","7","1") = "6"
    & skf21("5","6","7","6","3","1","1","1") = "6"
    & skf21("5","6","7","6","3","1","2","1") = "6"
    & skf21("5","6","7","6","3","1","3","1") = "6"
    & skf21("5","6","7","6","3","1","4","1") = "6"
    & skf21("5","6","7","6","3","1","5","1") = "6"
    & skf21("5","6","7","6","3","1","6","1") = "6"
    & skf21("5","6","7","6","3","1","7","1") = "6"
    & skf21("5","6","7","6","3","2","1","1") = "6"
    & skf21("5","6","7","6","3","2","2","1") = "6"
    & skf21("5","6","7","6","3","2","3","1") = "6"
    & skf21("5","6","7","6","3","2","4","1") = "6"
    & skf21("5","6","7","6","3","2","5","1") = "6"
    & skf21("5","6","7","6","3","2","6","1") = "6"
    & skf21("5","6","7","6","3","2","7","1") = "6"
    & skf21("5","6","7","6","3","3","1","1") = "6"
    & skf21("5","6","7","6","3","3","2","1") = "6"
    & skf21("5","6","7","6","3","3","3","1") = "6"
    & skf21("5","6","7","6","3","3","4","1") = "6"
    & skf21("5","6","7","6","3","3","5","1") = "6"
    & skf21("5","6","7","6","3","3","6","1") = "6"
    & skf21("5","6","7","6","3","3","7","1") = "6"
    & skf21("5","6","7","6","3","4","1","1") = "6"
    & skf21("5","6","7","6","3","4","2","1") = "6"
    & skf21("5","6","7","6","3","4","3","1") = "6"
    & skf21("5","6","7","6","3","4","4","1") = "6"
    & skf21("5","6","7","6","3","4","5","1") = "6"
    & skf21("5","6","7","6","3","4","6","1") = "6"
    & skf21("5","6","7","6","3","4","7","1") = "6"
    & skf21("5","6","7","6","3","5","1","1") = "6"
    & skf21("5","6","7","6","3","5","2","1") = "6"
    & skf21("5","6","7","6","3","5","3","1") = "6"
    & skf21("5","6","7","6","3","5","4","1") = "6"
    & skf21("5","6","7","6","3","5","5","1") = "6"
    & skf21("5","6","7","6","3","5","6","1") = "6"
    & skf21("5","6","7","6","3","5","7","1") = "6"
    & skf21("5","6","7","6","3","6","1","1") = "6"
    & skf21("5","6","7","6","3","6","2","1") = "6"
    & skf21("5","6","7","6","3","6","3","1") = "6"
    & skf21("5","6","7","6","3","6","4","1") = "6"
    & skf21("5","6","7","6","3","6","5","1") = "6"
    & skf21("5","6","7","6","3","6","6","1") = "6"
    & skf21("5","6","7","6","3","6","7","1") = "6"
    & skf21("5","6","7","6","3","7","1","1") = "6"
    & skf21("5","6","7","6","3","7","2","1") = "6"
    & skf21("5","6","7","6","3","7","3","1") = "6"
    & skf21("5","6","7","6","3","7","4","1") = "6"
    & skf21("5","6","7","6","3","7","5","1") = "6"
    & skf21("5","6","7","6","3","7","6","1") = "6"
    & skf21("5","6","7","6","3","7","7","1") = "6"
    & skf21("5","6","7","6","4","1","1","1") = "6"
    & skf21("5","6","7","6","4","1","2","1") = "6"
    & skf21("5","6","7","6","4","1","3","1") = "6"
    & skf21("5","6","7","6","4","1","4","1") = "6"
    & skf21("5","6","7","6","4","1","5","1") = "6"
    & skf21("5","6","7","6","4","1","6","1") = "6"
    & skf21("5","6","7","6","4","1","7","1") = "6"
    & skf21("5","6","7","6","4","2","1","1") = "6"
    & skf21("5","6","7","6","4","2","2","1") = "6"
    & skf21("5","6","7","6","4","2","3","1") = "6"
    & skf21("5","6","7","6","4","2","4","1") = "6"
    & skf21("5","6","7","6","4","2","5","1") = "6"
    & skf21("5","6","7","6","4","2","6","1") = "6"
    & skf21("5","6","7","6","4","2","7","1") = "6"
    & skf21("5","6","7","6","4","3","1","1") = "6"
    & skf21("5","6","7","6","4","3","2","1") = "6"
    & skf21("5","6","7","6","4","3","3","1") = "6"
    & skf21("5","6","7","6","4","3","4","1") = "6"
    & skf21("5","6","7","6","4","3","5","1") = "6"
    & skf21("5","6","7","6","4","3","6","1") = "6"
    & skf21("5","6","7","6","4","3","7","1") = "6"
    & skf21("5","6","7","6","4","4","1","1") = "6"
    & skf21("5","6","7","6","4","4","2","1") = "6"
    & skf21("5","6","7","6","4","4","3","1") = "6"
    & skf21("5","6","7","6","4","4","4","1") = "6"
    & skf21("5","6","7","6","4","4","5","1") = "6"
    & skf21("5","6","7","6","4","4","6","1") = "6"
    & skf21("5","6","7","6","4","4","7","1") = "6"
    & skf21("5","6","7","6","4","5","1","1") = "6"
    & skf21("5","6","7","6","4","5","2","1") = "6"
    & skf21("5","6","7","6","4","5","3","1") = "6"
    & skf21("5","6","7","6","4","5","4","1") = "6"
    & skf21("5","6","7","6","4","5","5","1") = "6"
    & skf21("5","6","7","6","4","5","6","1") = "6"
    & skf21("5","6","7","6","4","5","7","1") = "6"
    & skf21("5","6","7","6","4","6","1","1") = "6"
    & skf21("5","6","7","6","4","6","2","1") = "6"
    & skf21("5","6","7","6","4","6","3","1") = "6"
    & skf21("5","6","7","6","4","6","4","1") = "6"
    & skf21("5","6","7","6","4","6","5","1") = "6"
    & skf21("5","6","7","6","4","6","6","1") = "6"
    & skf21("5","6","7","6","4","6","7","1") = "6"
    & skf21("5","6","7","6","4","7","1","1") = "6"
    & skf21("5","6","7","6","4","7","2","1") = "6"
    & skf21("5","6","7","6","4","7","3","1") = "6"
    & skf21("5","6","7","6","4","7","4","1") = "6"
    & skf21("5","6","7","6","4","7","5","1") = "6"
    & skf21("5","6","7","6","4","7","6","1") = "6"
    & skf21("5","6","7","6","4","7","7","1") = "6"
    & skf21("5","6","7","6","5","1","1","1") = "6"
    & skf21("5","6","7","6","5","1","2","1") = "6"
    & skf21("5","6","7","6","5","1","3","1") = "6"
    & skf21("5","6","7","6","5","1","4","1") = "6"
    & skf21("5","6","7","6","5","1","5","1") = "6"
    & skf21("5","6","7","6","5","1","6","1") = "6"
    & skf21("5","6","7","6","5","1","7","1") = "6"
    & skf21("5","6","7","6","5","2","1","1") = "6"
    & skf21("5","6","7","6","5","2","2","1") = "6"
    & skf21("5","6","7","6","5","2","3","1") = "6"
    & skf21("5","6","7","6","5","2","4","1") = "6"
    & skf21("5","6","7","6","5","2","5","1") = "6"
    & skf21("5","6","7","6","5","2","6","1") = "6"
    & skf21("5","6","7","6","5","2","7","1") = "6"
    & skf21("5","6","7","6","5","3","1","1") = "6"
    & skf21("5","6","7","6","5","3","2","1") = "6"
    & skf21("5","6","7","6","5","3","3","1") = "6"
    & skf21("5","6","7","6","5","3","4","1") = "6"
    & skf21("5","6","7","6","5","3","5","1") = "6"
    & skf21("5","6","7","6","5","3","6","1") = "6"
    & skf21("5","6","7","6","5","3","7","1") = "6"
    & skf21("5","6","7","6","5","4","1","1") = "6"
    & skf21("5","6","7","6","5","4","2","1") = "6"
    & skf21("5","6","7","6","5","4","3","1") = "6"
    & skf21("5","6","7","6","5","4","4","1") = "6"
    & skf21("5","6","7","6","5","4","5","1") = "6"
    & skf21("5","6","7","6","5","4","6","1") = "6"
    & skf21("5","6","7","6","5","4","7","1") = "6"
    & skf21("5","6","7","6","5","5","1","1") = "6"
    & skf21("5","6","7","6","5","5","2","1") = "6"
    & skf21("5","6","7","6","5","5","3","1") = "6"
    & skf21("5","6","7","6","5","5","4","1") = "6"
    & skf21("5","6","7","6","5","5","5","1") = "6"
    & skf21("5","6","7","6","5","5","6","1") = "6"
    & skf21("5","6","7","6","5","5","7","1") = "6"
    & skf21("5","6","7","6","5","6","1","1") = "6"
    & skf21("5","6","7","6","5","6","2","1") = "6"
    & skf21("5","6","7","6","5","6","3","1") = "6"
    & skf21("5","6","7","6","5","6","4","1") = "6"
    & skf21("5","6","7","6","5","6","5","1") = "6"
    & skf21("5","6","7","6","5","6","6","1") = "6"
    & skf21("5","6","7","6","5","6","7","1") = "6"
    & skf21("5","6","7","6","5","7","1","1") = "6"
    & skf21("5","6","7","6","5","7","2","1") = "6"
    & skf21("5","6","7","6","5","7","3","1") = "6"
    & skf21("5","6","7","6","5","7","4","1") = "6"
    & skf21("5","6","7","6","5","7","5","1") = "6"
    & skf21("5","6","7","6","5","7","6","1") = "6"
    & skf21("5","6","7","6","5","7","7","1") = "6"
    & skf21("5","6","7","6","6","1","1","1") = "6"
    & skf21("5","6","7","6","6","1","2","1") = "6"
    & skf21("5","6","7","6","6","1","3","1") = "6"
    & skf21("5","6","7","6","6","1","4","1") = "6"
    & skf21("5","6","7","6","6","1","5","1") = "6"
    & skf21("5","6","7","6","6","1","6","1") = "6"
    & skf21("5","6","7","6","6","1","7","1") = "6"
    & skf21("5","6","7","6","6","2","1","1") = "6"
    & skf21("5","6","7","6","6","2","2","1") = "6"
    & skf21("5","6","7","6","6","2","3","1") = "6"
    & skf21("5","6","7","6","6","2","4","1") = "6"
    & skf21("5","6","7","6","6","2","5","1") = "6"
    & skf21("5","6","7","6","6","2","6","1") = "6"
    & skf21("5","6","7","6","6","2","7","1") = "6"
    & skf21("5","6","7","6","6","3","1","1") = "6"
    & skf21("5","6","7","6","6","3","2","1") = "6"
    & skf21("5","6","7","6","6","3","3","1") = "6"
    & skf21("5","6","7","6","6","3","4","1") = "6"
    & skf21("5","6","7","6","6","3","5","1") = "6"
    & skf21("5","6","7","6","6","3","6","1") = "6"
    & skf21("5","6","7","6","6","3","7","1") = "6"
    & skf21("5","6","7","6","6","4","1","1") = "6"
    & skf21("5","6","7","6","6","4","2","1") = "6"
    & skf21("5","6","7","6","6","4","3","1") = "6"
    & skf21("5","6","7","6","6","4","4","1") = "6"
    & skf21("5","6","7","6","6","4","5","1") = "6"
    & skf21("5","6","7","6","6","4","6","1") = "6"
    & skf21("5","6","7","6","6","4","7","1") = "6"
    & skf21("5","6","7","6","6","5","1","1") = "6"
    & skf21("5","6","7","6","6","5","2","1") = "6"
    & skf21("5","6","7","6","6","5","3","1") = "6"
    & skf21("5","6","7","6","6","5","4","1") = "6"
    & skf21("5","6","7","6","6","5","5","1") = "6"
    & skf21("5","6","7","6","6","5","6","1") = "6"
    & skf21("5","6","7","6","6","5","7","1") = "6"
    & skf21("5","6","7","6","6","6","1","1") = "6"
    & skf21("5","6","7","6","6","6","2","1") = "6"
    & skf21("5","6","7","6","6","6","3","1") = "6"
    & skf21("5","6","7","6","6","6","4","1") = "6"
    & skf21("5","6","7","6","6","6","5","1") = "6"
    & skf21("5","6","7","6","6","6","6","1") = "6"
    & skf21("5","6","7","6","6","6","7","1") = "6"
    & skf21("5","6","7","6","6","7","1","1") = "6"
    & skf21("5","6","7","6","6","7","2","1") = "6"
    & skf21("5","6","7","6","6","7","3","1") = "6"
    & skf21("5","6","7","6","6","7","4","1") = "6"
    & skf21("5","6","7","6","6","7","5","1") = "6"
    & skf21("5","6","7","6","6","7","6","1") = "6"
    & skf21("5","6","7","6","6","7","7","1") = "6"
    & skf21("5","6","7","6","7","1","1","1") = "6"
    & skf21("5","6","7","6","7","1","2","1") = "6"
    & skf21("5","6","7","6","7","1","3","1") = "6"
    & skf21("5","6","7","6","7","1","4","1") = "6"
    & skf21("5","6","7","6","7","1","5","1") = "6"
    & skf21("5","6","7","6","7","1","6","1") = "6"
    & skf21("5","6","7","6","7","1","7","1") = "6"
    & skf21("5","6","7","6","7","2","1","1") = "6"
    & skf21("5","6","7","6","7","2","2","1") = "6"
    & skf21("5","6","7","6","7","2","3","1") = "6"
    & skf21("5","6","7","6","7","2","4","1") = "6"
    & skf21("5","6","7","6","7","2","5","1") = "6"
    & skf21("5","6","7","6","7","2","6","1") = "6"
    & skf21("5","6","7","6","7","2","7","1") = "6"
    & skf21("5","6","7","6","7","3","1","1") = "6"
    & skf21("5","6","7","6","7","3","2","1") = "6"
    & skf21("5","6","7","6","7","3","3","1") = "6"
    & skf21("5","6","7","6","7","3","4","1") = "6"
    & skf21("5","6","7","6","7","3","5","1") = "6"
    & skf21("5","6","7","6","7","3","6","1") = "6"
    & skf21("5","6","7","6","7","3","7","1") = "6"
    & skf21("5","6","7","6","7","4","1","1") = "6"
    & skf21("5","6","7","6","7","4","2","1") = "6"
    & skf21("5","6","7","6","7","4","3","1") = "6"
    & skf21("5","6","7","6","7","4","4","1") = "6"
    & skf21("5","6","7","6","7","4","5","1") = "6"
    & skf21("5","6","7","6","7","4","6","1") = "6"
    & skf21("5","6","7","6","7","4","7","1") = "6"
    & skf21("5","6","7","6","7","5","1","1") = "6"
    & skf21("5","6","7","6","7","5","2","1") = "6"
    & skf21("5","6","7","6","7","5","3","1") = "6"
    & skf21("5","6","7","6","7","5","4","1") = "6"
    & skf21("5","6","7","6","7","5","5","1") = "6"
    & skf21("5","6","7","6","7","5","6","1") = "6"
    & skf21("5","6","7","6","7","5","7","1") = "6"
    & skf21("5","6","7","6","7","6","1","1") = "6"
    & skf21("5","6","7","6","7","6","2","1") = "6"
    & skf21("5","6","7","6","7","6","3","1") = "6"
    & skf21("5","6","7","6","7","6","4","1") = "6"
    & skf21("5","6","7","6","7","6","5","1") = "6"
    & skf21("5","6","7","6","7","6","6","1") = "6"
    & skf21("5","6","7","6","7","6","7","1") = "6"
    & skf21("5","6","7","6","7","7","1","1") = "6"
    & skf21("5","6","7","6","7","7","2","1") = "6"
    & skf21("5","6","7","6","7","7","3","1") = "6"
    & skf21("5","6","7","6","7","7","4","1") = "6"
    & skf21("5","6","7","6","7","7","5","1") = "6"
    & skf21("5","6","7","6","7","7","6","1") = "6"
    & skf21("5","6","7","6","7","7","7","1") = "6"
    & skf21("5","6","7","7","1","1","1","1") = "6"
    & skf21("5","6","7","7","1","1","2","1") = "6"
    & skf21("5","6","7","7","1","1","3","1") = "6"
    & skf21("5","6","7","7","1","1","4","1") = "6"
    & skf21("5","6","7","7","1","1","5","1") = "6"
    & skf21("5","6","7","7","1","1","6","1") = "6"
    & skf21("5","6","7","7","1","1","7","1") = "6"
    & skf21("5","6","7","7","1","2","1","1") = "6"
    & skf21("5","6","7","7","1","2","2","1") = "6"
    & skf21("5","6","7","7","1","2","3","1") = "6"
    & skf21("5","6","7","7","1","2","4","1") = "6"
    & skf21("5","6","7","7","1","2","5","1") = "6"
    & skf21("5","6","7","7","1","2","6","1") = "6"
    & skf21("5","6","7","7","1","2","7","1") = "6"
    & skf21("5","6","7","7","1","3","1","1") = "6"
    & skf21("5","6","7","7","1","3","2","1") = "6"
    & skf21("5","6","7","7","1","3","3","1") = "6"
    & skf21("5","6","7","7","1","3","4","1") = "6"
    & skf21("5","6","7","7","1","3","5","1") = "6"
    & skf21("5","6","7","7","1","3","6","1") = "6"
    & skf21("5","6","7","7","1","3","7","1") = "6"
    & skf21("5","6","7","7","1","4","1","1") = "6"
    & skf21("5","6","7","7","1","4","2","1") = "6"
    & skf21("5","6","7","7","1","4","3","1") = "6"
    & skf21("5","6","7","7","1","4","4","1") = "6"
    & skf21("5","6","7","7","1","4","5","1") = "6"
    & skf21("5","6","7","7","1","4","6","1") = "6"
    & skf21("5","6","7","7","1","4","7","1") = "6"
    & skf21("5","6","7","7","1","5","1","1") = "6"
    & skf21("5","6","7","7","1","5","2","1") = "6"
    & skf21("5","6","7","7","1","5","3","1") = "6"
    & skf21("5","6","7","7","1","5","4","1") = "6"
    & skf21("5","6","7","7","1","5","5","1") = "6"
    & skf21("5","6","7","7","1","5","6","1") = "6"
    & skf21("5","6","7","7","1","5","7","1") = "6"
    & skf21("5","6","7","7","1","6","1","1") = "6"
    & skf21("5","6","7","7","1","6","2","1") = "6"
    & skf21("5","6","7","7","1","6","3","1") = "6"
    & skf21("5","6","7","7","1","6","4","1") = "6"
    & skf21("5","6","7","7","1","6","5","1") = "6"
    & skf21("5","6","7","7","1","6","6","1") = "6"
    & skf21("5","6","7","7","1","6","7","1") = "6"
    & skf21("5","6","7","7","1","7","1","1") = "6"
    & skf21("5","6","7","7","1","7","2","1") = "6"
    & skf21("5","6","7","7","1","7","3","1") = "6"
    & skf21("5","6","7","7","1","7","4","1") = "6"
    & skf21("5","6","7","7","1","7","5","1") = "6"
    & skf21("5","6","7","7","1","7","6","1") = "6"
    & skf21("5","6","7","7","1","7","7","1") = "6"
    & skf21("5","6","7","7","2","1","1","1") = "6"
    & skf21("5","6","7","7","2","1","2","1") = "6"
    & skf21("5","6","7","7","2","1","3","1") = "6"
    & skf21("5","6","7","7","2","1","4","1") = "6"
    & skf21("5","6","7","7","2","1","5","1") = "6"
    & skf21("5","6","7","7","2","1","6","1") = "6"
    & skf21("5","6","7","7","2","1","7","1") = "6"
    & skf21("5","6","7","7","2","2","1","1") = "6"
    & skf21("5","6","7","7","2","2","2","1") = "6"
    & skf21("5","6","7","7","2","2","3","1") = "6"
    & skf21("5","6","7","7","2","2","4","1") = "6"
    & skf21("5","6","7","7","2","2","5","1") = "6"
    & skf21("5","6","7","7","2","2","6","1") = "6"
    & skf21("5","6","7","7","2","2","7","1") = "6"
    & skf21("5","6","7","7","2","3","1","1") = "6"
    & skf21("5","6","7","7","2","3","2","1") = "6"
    & skf21("5","6","7","7","2","3","3","1") = "6"
    & skf21("5","6","7","7","2","3","4","1") = "6"
    & skf21("5","6","7","7","2","3","5","1") = "6"
    & skf21("5","6","7","7","2","3","6","1") = "6"
    & skf21("5","6","7","7","2","3","7","1") = "6"
    & skf21("5","6","7","7","2","4","1","1") = "6"
    & skf21("5","6","7","7","2","4","2","1") = "6"
    & skf21("5","6","7","7","2","4","3","1") = "6"
    & skf21("5","6","7","7","2","4","4","1") = "6"
    & skf21("5","6","7","7","2","4","5","1") = "6"
    & skf21("5","6","7","7","2","4","6","1") = "6"
    & skf21("5","6","7","7","2","4","7","1") = "6"
    & skf21("5","6","7","7","2","5","1","1") = "6"
    & skf21("5","6","7","7","2","5","2","1") = "6"
    & skf21("5","6","7","7","2","5","3","1") = "6"
    & skf21("5","6","7","7","2","5","4","1") = "6"
    & skf21("5","6","7","7","2","5","5","1") = "6"
    & skf21("5","6","7","7","2","5","6","1") = "6"
    & skf21("5","6","7","7","2","5","7","1") = "6"
    & skf21("5","6","7","7","2","6","1","1") = "6"
    & skf21("5","6","7","7","2","6","2","1") = "6"
    & skf21("5","6","7","7","2","6","3","1") = "6"
    & skf21("5","6","7","7","2","6","4","1") = "6"
    & skf21("5","6","7","7","2","6","5","1") = "6"
    & skf21("5","6","7","7","2","6","6","1") = "6"
    & skf21("5","6","7","7","2","6","7","1") = "6"
    & skf21("5","6","7","7","2","7","1","1") = "6"
    & skf21("5","6","7","7","2","7","2","1") = "6"
    & skf21("5","6","7","7","2","7","3","1") = "6"
    & skf21("5","6","7","7","2","7","4","1") = "6"
    & skf21("5","6","7","7","2","7","5","1") = "6"
    & skf21("5","6","7","7","2","7","6","1") = "6"
    & skf21("5","6","7","7","2","7","7","1") = "6"
    & skf21("5","6","7","7","3","1","1","1") = "6"
    & skf21("5","6","7","7","3","1","2","1") = "6"
    & skf21("5","6","7","7","3","1","3","1") = "6"
    & skf21("5","6","7","7","3","1","4","1") = "6"
    & skf21("5","6","7","7","3","1","5","1") = "6"
    & skf21("5","6","7","7","3","1","6","1") = "6"
    & skf21("5","6","7","7","3","1","7","1") = "6"
    & skf21("5","6","7","7","3","2","1","1") = "6"
    & skf21("5","6","7","7","3","2","2","1") = "6"
    & skf21("5","6","7","7","3","2","3","1") = "6"
    & skf21("5","6","7","7","3","2","4","1") = "6"
    & skf21("5","6","7","7","3","2","5","1") = "6"
    & skf21("5","6","7","7","3","2","6","1") = "6"
    & skf21("5","6","7","7","3","2","7","1") = "6"
    & skf21("5","6","7","7","3","3","1","1") = "6"
    & skf21("5","6","7","7","3","3","2","1") = "6"
    & skf21("5","6","7","7","3","3","3","1") = "6"
    & skf21("5","6","7","7","3","3","4","1") = "6"
    & skf21("5","6","7","7","3","3","5","1") = "6"
    & skf21("5","6","7","7","3","3","6","1") = "6"
    & skf21("5","6","7","7","3","3","7","1") = "6"
    & skf21("5","6","7","7","3","4","1","1") = "6"
    & skf21("5","6","7","7","3","4","2","1") = "6"
    & skf21("5","6","7","7","3","4","3","1") = "6"
    & skf21("5","6","7","7","3","4","4","1") = "6"
    & skf21("5","6","7","7","3","4","5","1") = "6"
    & skf21("5","6","7","7","3","4","6","1") = "6"
    & skf21("5","6","7","7","3","4","7","1") = "6"
    & skf21("5","6","7","7","3","5","1","1") = "6"
    & skf21("5","6","7","7","3","5","2","1") = "6"
    & skf21("5","6","7","7","3","5","3","1") = "6"
    & skf21("5","6","7","7","3","5","4","1") = "6"
    & skf21("5","6","7","7","3","5","5","1") = "6"
    & skf21("5","6","7","7","3","5","6","1") = "6"
    & skf21("5","6","7","7","3","5","7","1") = "6"
    & skf21("5","6","7","7","3","6","1","1") = "6"
    & skf21("5","6","7","7","3","6","2","1") = "6"
    & skf21("5","6","7","7","3","6","3","1") = "6"
    & skf21("5","6","7","7","3","6","4","1") = "6"
    & skf21("5","6","7","7","3","6","5","1") = "6"
    & skf21("5","6","7","7","3","6","6","1") = "6"
    & skf21("5","6","7","7","3","6","7","1") = "6"
    & skf21("5","6","7","7","3","7","1","1") = "6"
    & skf21("5","6","7","7","3","7","2","1") = "6"
    & skf21("5","6","7","7","3","7","3","1") = "6"
    & skf21("5","6","7","7","3","7","4","1") = "6"
    & skf21("5","6","7","7","3","7","5","1") = "6"
    & skf21("5","6","7","7","3","7","6","1") = "6"
    & skf21("5","6","7","7","3","7","7","1") = "6"
    & skf21("5","6","7","7","4","1","1","1") = "6"
    & skf21("5","6","7","7","4","1","2","1") = "6"
    & skf21("5","6","7","7","4","1","3","1") = "6"
    & skf21("5","6","7","7","4","1","4","1") = "6"
    & skf21("5","6","7","7","4","1","5","1") = "6"
    & skf21("5","6","7","7","4","1","6","1") = "6"
    & skf21("5","6","7","7","4","1","7","1") = "6"
    & skf21("5","6","7","7","4","2","1","1") = "6"
    & skf21("5","6","7","7","4","2","2","1") = "6"
    & skf21("5","6","7","7","4","2","3","1") = "6"
    & skf21("5","6","7","7","4","2","4","1") = "6"
    & skf21("5","6","7","7","4","2","5","1") = "6"
    & skf21("5","6","7","7","4","2","6","1") = "6"
    & skf21("5","6","7","7","4","2","7","1") = "6"
    & skf21("5","6","7","7","4","3","1","1") = "6"
    & skf21("5","6","7","7","4","3","2","1") = "6"
    & skf21("5","6","7","7","4","3","3","1") = "6"
    & skf21("5","6","7","7","4","3","4","1") = "6"
    & skf21("5","6","7","7","4","3","5","1") = "6"
    & skf21("5","6","7","7","4","3","6","1") = "6"
    & skf21("5","6","7","7","4","3","7","1") = "6"
    & skf21("5","6","7","7","4","4","1","1") = "6"
    & skf21("5","6","7","7","4","4","2","1") = "6"
    & skf21("5","6","7","7","4","4","3","1") = "6"
    & skf21("5","6","7","7","4","4","4","1") = "6"
    & skf21("5","6","7","7","4","4","5","1") = "6"
    & skf21("5","6","7","7","4","4","6","1") = "6"
    & skf21("5","6","7","7","4","4","7","1") = "6"
    & skf21("5","6","7","7","4","5","1","1") = "6"
    & skf21("5","6","7","7","4","5","2","1") = "6"
    & skf21("5","6","7","7","4","5","3","1") = "6"
    & skf21("5","6","7","7","4","5","4","1") = "6"
    & skf21("5","6","7","7","4","5","5","1") = "6"
    & skf21("5","6","7","7","4","5","6","1") = "6"
    & skf21("5","6","7","7","4","5","7","1") = "6"
    & skf21("5","6","7","7","4","6","1","1") = "6"
    & skf21("5","6","7","7","4","6","2","1") = "6"
    & skf21("5","6","7","7","4","6","3","1") = "6"
    & skf21("5","6","7","7","4","6","4","1") = "6"
    & skf21("5","6","7","7","4","6","5","1") = "6"
    & skf21("5","6","7","7","4","6","6","1") = "6"
    & skf21("5","6","7","7","4","6","7","1") = "6"
    & skf21("5","6","7","7","4","7","1","1") = "6"
    & skf21("5","6","7","7","4","7","2","1") = "6"
    & skf21("5","6","7","7","4","7","3","1") = "6"
    & skf21("5","6","7","7","4","7","4","1") = "6"
    & skf21("5","6","7","7","4","7","5","1") = "6"
    & skf21("5","6","7","7","4","7","6","1") = "6"
    & skf21("5","6","7","7","4","7","7","1") = "6"
    & skf21("5","6","7","7","5","1","1","1") = "6"
    & skf21("5","6","7","7","5","1","2","1") = "6"
    & skf21("5","6","7","7","5","1","3","1") = "6"
    & skf21("5","6","7","7","5","1","4","1") = "6"
    & skf21("5","6","7","7","5","1","5","1") = "6"
    & skf21("5","6","7","7","5","1","6","1") = "6"
    & skf21("5","6","7","7","5","1","7","1") = "6"
    & skf21("5","6","7","7","5","2","1","1") = "6"
    & skf21("5","6","7","7","5","2","2","1") = "6"
    & skf21("5","6","7","7","5","2","3","1") = "6"
    & skf21("5","6","7","7","5","2","4","1") = "6"
    & skf21("5","6","7","7","5","2","5","1") = "6"
    & skf21("5","6","7","7","5","2","6","1") = "6"
    & skf21("5","6","7","7","5","2","7","1") = "6"
    & skf21("5","6","7","7","5","3","1","1") = "6"
    & skf21("5","6","7","7","5","3","2","1") = "6"
    & skf21("5","6","7","7","5","3","3","1") = "6"
    & skf21("5","6","7","7","5","3","4","1") = "6"
    & skf21("5","6","7","7","5","3","5","1") = "6"
    & skf21("5","6","7","7","5","3","6","1") = "6"
    & skf21("5","6","7","7","5","3","7","1") = "6"
    & skf21("5","6","7","7","5","4","1","1") = "6"
    & skf21("5","6","7","7","5","4","2","1") = "6"
    & skf21("5","6","7","7","5","4","3","1") = "6"
    & skf21("5","6","7","7","5","4","4","1") = "6"
    & skf21("5","6","7","7","5","4","5","1") = "6"
    & skf21("5","6","7","7","5","4","6","1") = "6"
    & skf21("5","6","7","7","5","4","7","1") = "6"
    & skf21("5","6","7","7","5","5","1","1") = "6"
    & skf21("5","6","7","7","5","5","2","1") = "6"
    & skf21("5","6","7","7","5","5","3","1") = "6"
    & skf21("5","6","7","7","5","5","4","1") = "6"
    & skf21("5","6","7","7","5","5","5","1") = "6"
    & skf21("5","6","7","7","5","5","6","1") = "6"
    & skf21("5","6","7","7","5","5","7","1") = "6"
    & skf21("5","6","7","7","5","6","1","1") = "6"
    & skf21("5","6","7","7","5","6","2","1") = "6"
    & skf21("5","6","7","7","5","6","3","1") = "6"
    & skf21("5","6","7","7","5","6","4","1") = "6"
    & skf21("5","6","7","7","5","6","5","1") = "6"
    & skf21("5","6","7","7","5","6","6","1") = "6"
    & skf21("5","6","7","7","5","6","7","1") = "6"
    & skf21("5","6","7","7","5","7","1","1") = "6"
    & skf21("5","6","7","7","5","7","2","1") = "6"
    & skf21("5","6","7","7","5","7","3","1") = "6"
    & skf21("5","6","7","7","5","7","4","1") = "6"
    & skf21("5","6","7","7","5","7","5","1") = "6"
    & skf21("5","6","7","7","5","7","6","1") = "6"
    & skf21("5","6","7","7","5","7","7","1") = "6"
    & skf21("5","6","7","7","6","1","1","1") = "6"
    & skf21("5","6","7","7","6","1","2","1") = "6"
    & skf21("5","6","7","7","6","1","3","1") = "6"
    & skf21("5","6","7","7","6","1","4","1") = "6"
    & skf21("5","6","7","7","6","1","5","1") = "6"
    & skf21("5","6","7","7","6","1","6","1") = "6"
    & skf21("5","6","7","7","6","1","7","1") = "6"
    & skf21("5","6","7","7","6","2","1","1") = "6"
    & skf21("5","6","7","7","6","2","2","1") = "6"
    & skf21("5","6","7","7","6","2","3","1") = "6"
    & skf21("5","6","7","7","6","2","4","1") = "6"
    & skf21("5","6","7","7","6","2","5","1") = "6"
    & skf21("5","6","7","7","6","2","6","1") = "6"
    & skf21("5","6","7","7","6","2","7","1") = "6"
    & skf21("5","6","7","7","6","3","1","1") = "6"
    & skf21("5","6","7","7","6","3","2","1") = "6"
    & skf21("5","6","7","7","6","3","3","1") = "6"
    & skf21("5","6","7","7","6","3","4","1") = "6"
    & skf21("5","6","7","7","6","3","5","1") = "6"
    & skf21("5","6","7","7","6","3","6","1") = "6"
    & skf21("5","6","7","7","6","3","7","1") = "6"
    & skf21("5","6","7","7","6","4","1","1") = "6"
    & skf21("5","6","7","7","6","4","2","1") = "6"
    & skf21("5","6","7","7","6","4","3","1") = "6"
    & skf21("5","6","7","7","6","4","4","1") = "6"
    & skf21("5","6","7","7","6","4","5","1") = "6"
    & skf21("5","6","7","7","6","4","6","1") = "6"
    & skf21("5","6","7","7","6","4","7","1") = "6"
    & skf21("5","6","7","7","6","5","1","1") = "6"
    & skf21("5","6","7","7","6","5","2","1") = "6"
    & skf21("5","6","7","7","6","5","3","1") = "6"
    & skf21("5","6","7","7","6","5","4","1") = "6"
    & skf21("5","6","7","7","6","5","5","1") = "6"
    & skf21("5","6","7","7","6","5","6","1") = "6"
    & skf21("5","6","7","7","6","5","7","1") = "6"
    & skf21("5","6","7","7","6","6","1","1") = "6"
    & skf21("5","6","7","7","6","6","2","1") = "6"
    & skf21("5","6","7","7","6","6","3","1") = "6"
    & skf21("5","6","7","7","6","6","4","1") = "6"
    & skf21("5","6","7","7","6","6","5","1") = "6"
    & skf21("5","6","7","7","6","6","6","1") = "6"
    & skf21("5","6","7","7","6","6","7","1") = "6"
    & skf21("5","6","7","7","6","7","1","1") = "6"
    & skf21("5","6","7","7","6","7","2","1") = "6"
    & skf21("5","6","7","7","6","7","3","1") = "6"
    & skf21("5","6","7","7","6","7","4","1") = "6"
    & skf21("5","6","7","7","6","7","5","1") = "6"
    & skf21("5","6","7","7","6","7","6","1") = "6"
    & skf21("5","6","7","7","6","7","7","1") = "6"
    & skf21("5","6","7","7","7","1","1","1") = "6"
    & skf21("5","6","7","7","7","1","2","1") = "6"
    & skf21("5","6","7","7","7","1","3","1") = "6"
    & skf21("5","6","7","7","7","1","4","1") = "6"
    & skf21("5","6","7","7","7","1","5","1") = "6"
    & skf21("5","6","7","7","7","1","6","1") = "6"
    & skf21("5","6","7","7","7","1","7","1") = "6"
    & skf21("5","6","7","7","7","2","1","1") = "6"
    & skf21("5","6","7","7","7","2","2","1") = "6"
    & skf21("5","6","7","7","7","2","3","1") = "6"
    & skf21("5","6","7","7","7","2","4","1") = "6"
    & skf21("5","6","7","7","7","2","5","1") = "6"
    & skf21("5","6","7","7","7","2","6","1") = "6"
    & skf21("5","6","7","7","7","2","7","1") = "6"
    & skf21("5","6","7","7","7","3","1","1") = "6"
    & skf21("5","6","7","7","7","3","2","1") = "6"
    & skf21("5","6","7","7","7","3","3","1") = "6"
    & skf21("5","6","7","7","7","3","4","1") = "6"
    & skf21("5","6","7","7","7","3","5","1") = "6"
    & skf21("5","6","7","7","7","3","6","1") = "6"
    & skf21("5","6","7","7","7","3","7","1") = "6"
    & skf21("5","6","7","7","7","4","1","1") = "6"
    & skf21("5","6","7","7","7","4","2","1") = "6"
    & skf21("5","6","7","7","7","4","3","1") = "6"
    & skf21("5","6","7","7","7","4","4","1") = "6"
    & skf21("5","6","7","7","7","4","5","1") = "6"
    & skf21("5","6","7","7","7","4","6","1") = "6"
    & skf21("5","6","7","7","7","4","7","1") = "6"
    & skf21("5","6","7","7","7","5","1","1") = "6"
    & skf21("5","6","7","7","7","5","2","1") = "6"
    & skf21("5","6","7","7","7","5","3","1") = "6"
    & skf21("5","6","7","7","7","5","4","1") = "6"
    & skf21("5","6","7","7","7","5","5","1") = "6"
    & skf21("5","6","7","7","7","5","6","1") = "6"
    & skf21("5","6","7","7","7","5","7","1") = "6"
    & skf21("5","6","7","7","7","6","1","1") = "6"
    & skf21("5","6","7","7","7","6","2","1") = "6"
    & skf21("5","6","7","7","7","6","3","1") = "6"
    & skf21("5","6","7","7","7","6","4","1") = "6"
    & skf21("5","6","7","7","7","6","5","1") = "6"
    & skf21("5","6","7","7","7","6","6","1") = "6"
    & skf21("5","6","7","7","7","6","7","1") = "6"
    & skf21("5","6","7","7","7","7","1","1") = "6"
    & skf21("5","6","7","7","7","7","2","1") = "6"
    & skf21("5","6","7","7","7","7","3","1") = "6"
    & skf21("5","6","7","7","7","7","4","1") = "6"
    & skf21("5","6","7","7","7","7","5","1") = "6"
    & skf21("5","6","7","7","7","7","6","1") = "6"
    & skf21("5","6","7","7","7","7","7","1") = "6"
    & skf21("5","7","1","1","1","1","1","1") = "6"
    & skf21("5","7","1","1","1","1","2","1") = "6"
    & skf21("5","7","1","1","1","1","3","1") = "6"
    & skf21("5","7","1","1","1","1","4","1") = "6"
    & skf21("5","7","1","1","1","1","5","1") = "6"
    & skf21("5","7","1","1","1","1","6","1") = "6"
    & skf21("5","7","1","1","1","1","7","1") = "6"
    & skf21("5","7","1","1","1","2","1","1") = "6"
    & skf21("5","7","1","1","1","2","2","1") = "6"
    & skf21("5","7","1","1","1","2","3","1") = "6"
    & skf21("5","7","1","1","1","2","4","1") = "6"
    & skf21("5","7","1","1","1","2","5","1") = "6"
    & skf21("5","7","1","1","1","2","6","1") = "6"
    & skf21("5","7","1","1","1","2","7","1") = "6"
    & skf21("5","7","1","1","1","3","1","1") = "6"
    & skf21("5","7","1","1","1","3","2","1") = "6"
    & skf21("5","7","1","1","1","3","3","1") = "6"
    & skf21("5","7","1","1","1","3","4","1") = "6"
    & skf21("5","7","1","1","1","3","5","1") = "6"
    & skf21("5","7","1","1","1","3","6","1") = "6"
    & skf21("5","7","1","1","1","3","7","1") = "6"
    & skf21("5","7","1","1","1","4","1","1") = "6"
    & skf21("5","7","1","1","1","4","2","1") = "6"
    & skf21("5","7","1","1","1","4","3","1") = "6"
    & skf21("5","7","1","1","1","4","4","1") = "6"
    & skf21("5","7","1","1","1","4","5","1") = "6"
    & skf21("5","7","1","1","1","4","6","1") = "6"
    & skf21("5","7","1","1","1","4","7","1") = "6"
    & skf21("5","7","1","1","1","5","1","1") = "6"
    & skf21("5","7","1","1","1","5","2","1") = "6"
    & skf21("5","7","1","1","1","5","3","1") = "6"
    & skf21("5","7","1","1","1","5","4","1") = "6"
    & skf21("5","7","1","1","1","5","5","1") = "6"
    & skf21("5","7","1","1","1","5","6","1") = "6"
    & skf21("5","7","1","1","1","5","7","1") = "6"
    & skf21("5","7","1","1","1","6","1","1") = "6"
    & skf21("5","7","1","1","1","6","2","1") = "6"
    & skf21("5","7","1","1","1","6","3","1") = "6"
    & skf21("5","7","1","1","1","6","4","1") = "6"
    & skf21("5","7","1","1","1","6","5","1") = "6"
    & skf21("5","7","1","1","1","6","6","1") = "6"
    & skf21("5","7","1","1","1","6","7","1") = "6"
    & skf21("5","7","1","1","1","7","1","1") = "6"
    & skf21("5","7","1","1","1","7","2","1") = "6"
    & skf21("5","7","1","1","1","7","3","1") = "6"
    & skf21("5","7","1","1","1","7","4","1") = "6"
    & skf21("5","7","1","1","1","7","5","1") = "6"
    & skf21("5","7","1","1","1","7","6","1") = "6"
    & skf21("5","7","1","1","1","7","7","1") = "6"
    & skf21("5","7","1","1","2","1","1","1") = "6"
    & skf21("5","7","1","1","2","1","2","1") = "6"
    & skf21("5","7","1","1","2","1","3","1") = "6"
    & skf21("5","7","1","1","2","1","4","1") = "6"
    & skf21("5","7","1","1","2","1","5","1") = "6"
    & skf21("5","7","1","1","2","1","6","1") = "6"
    & skf21("5","7","1","1","2","1","7","1") = "6"
    & skf21("5","7","1","1","2","2","1","1") = "6"
    & skf21("5","7","1","1","2","2","2","1") = "6"
    & skf21("5","7","1","1","2","2","3","1") = "6"
    & skf21("5","7","1","1","2","2","4","1") = "6"
    & skf21("5","7","1","1","2","2","5","1") = "6"
    & skf21("5","7","1","1","2","2","6","1") = "6"
    & skf21("5","7","1","1","2","2","7","1") = "6"
    & skf21("5","7","1","1","2","3","1","1") = "6"
    & skf21("5","7","1","1","2","3","2","1") = "6"
    & skf21("5","7","1","1","2","3","3","1") = "6"
    & skf21("5","7","1","1","2","3","4","1") = "6"
    & skf21("5","7","1","1","2","3","5","1") = "6"
    & skf21("5","7","1","1","2","3","6","1") = "6"
    & skf21("5","7","1","1","2","3","7","1") = "6"
    & skf21("5","7","1","1","2","4","1","1") = "6"
    & skf21("5","7","1","1","2","4","2","1") = "6"
    & skf21("5","7","1","1","2","4","3","1") = "6"
    & skf21("5","7","1","1","2","4","4","1") = "6"
    & skf21("5","7","1","1","2","4","5","1") = "6"
    & skf21("5","7","1","1","2","4","6","1") = "6"
    & skf21("5","7","1","1","2","4","7","1") = "6"
    & skf21("5","7","1","1","2","5","1","1") = "6"
    & skf21("5","7","1","1","2","5","2","1") = "6"
    & skf21("5","7","1","1","2","5","3","1") = "6"
    & skf21("5","7","1","1","2","5","4","1") = "6"
    & skf21("5","7","1","1","2","5","5","1") = "6"
    & skf21("5","7","1","1","2","5","6","1") = "6"
    & skf21("5","7","1","1","2","5","7","1") = "6"
    & skf21("5","7","1","1","2","6","1","1") = "6"
    & skf21("5","7","1","1","2","6","2","1") = "6"
    & skf21("5","7","1","1","2","6","3","1") = "6"
    & skf21("5","7","1","1","2","6","4","1") = "6"
    & skf21("5","7","1","1","2","6","5","1") = "6"
    & skf21("5","7","1","1","2","6","6","1") = "6"
    & skf21("5","7","1","1","2","6","7","1") = "6"
    & skf21("5","7","1","1","2","7","1","1") = "6"
    & skf21("5","7","1","1","2","7","2","1") = "6"
    & skf21("5","7","1","1","2","7","3","1") = "6"
    & skf21("5","7","1","1","2","7","4","1") = "6"
    & skf21("5","7","1","1","2","7","5","1") = "6"
    & skf21("5","7","1","1","2","7","6","1") = "6"
    & skf21("5","7","1","1","2","7","7","1") = "6"
    & skf21("5","7","1","1","3","1","1","1") = "6"
    & skf21("5","7","1","1","3","1","2","1") = "6"
    & skf21("5","7","1","1","3","1","3","1") = "6"
    & skf21("5","7","1","1","3","1","4","1") = "6"
    & skf21("5","7","1","1","3","1","5","1") = "6"
    & skf21("5","7","1","1","3","1","6","1") = "6"
    & skf21("5","7","1","1","3","1","7","1") = "6"
    & skf21("5","7","1","1","3","2","1","1") = "6"
    & skf21("5","7","1","1","3","2","2","1") = "6"
    & skf21("5","7","1","1","3","2","3","1") = "6"
    & skf21("5","7","1","1","3","2","4","1") = "6"
    & skf21("5","7","1","1","3","2","5","1") = "6"
    & skf21("5","7","1","1","3","2","6","1") = "6"
    & skf21("5","7","1","1","3","2","7","1") = "6"
    & skf21("5","7","1","1","3","3","1","1") = "6"
    & skf21("5","7","1","1","3","3","2","1") = "6"
    & skf21("5","7","1","1","3","3","3","1") = "6"
    & skf21("5","7","1","1","3","3","4","1") = "6"
    & skf21("5","7","1","1","3","3","5","1") = "6"
    & skf21("5","7","1","1","3","3","6","1") = "6"
    & skf21("5","7","1","1","3","3","7","1") = "6"
    & skf21("5","7","1","1","3","4","1","1") = "6"
    & skf21("5","7","1","1","3","4","2","1") = "6"
    & skf21("5","7","1","1","3","4","3","1") = "6"
    & skf21("5","7","1","1","3","4","4","1") = "6"
    & skf21("5","7","1","1","3","4","5","1") = "6"
    & skf21("5","7","1","1","3","4","6","1") = "6"
    & skf21("5","7","1","1","3","4","7","1") = "6"
    & skf21("5","7","1","1","3","5","1","1") = "6"
    & skf21("5","7","1","1","3","5","2","1") = "6"
    & skf21("5","7","1","1","3","5","3","1") = "6"
    & skf21("5","7","1","1","3","5","4","1") = "6"
    & skf21("5","7","1","1","3","5","5","1") = "6"
    & skf21("5","7","1","1","3","5","6","1") = "6"
    & skf21("5","7","1","1","3","5","7","1") = "6"
    & skf21("5","7","1","1","3","6","1","1") = "6"
    & skf21("5","7","1","1","3","6","2","1") = "6"
    & skf21("5","7","1","1","3","6","3","1") = "6"
    & skf21("5","7","1","1","3","6","4","1") = "6"
    & skf21("5","7","1","1","3","6","5","1") = "6"
    & skf21("5","7","1","1","3","6","6","1") = "6"
    & skf21("5","7","1","1","3","6","7","1") = "6"
    & skf21("5","7","1","1","3","7","1","1") = "6"
    & skf21("5","7","1","1","3","7","2","1") = "6"
    & skf21("5","7","1","1","3","7","3","1") = "6"
    & skf21("5","7","1","1","3","7","4","1") = "6"
    & skf21("5","7","1","1","3","7","5","1") = "6"
    & skf21("5","7","1","1","3","7","6","1") = "6"
    & skf21("5","7","1","1","3","7","7","1") = "6"
    & skf21("5","7","1","1","4","1","1","1") = "6"
    & skf21("5","7","1","1","4","1","2","1") = "6"
    & skf21("5","7","1","1","4","1","3","1") = "6"
    & skf21("5","7","1","1","4","1","4","1") = "6"
    & skf21("5","7","1","1","4","1","5","1") = "6"
    & skf21("5","7","1","1","4","1","6","1") = "6"
    & skf21("5","7","1","1","4","1","7","1") = "6"
    & skf21("5","7","1","1","4","2","1","1") = "6"
    & skf21("5","7","1","1","4","2","2","1") = "6"
    & skf21("5","7","1","1","4","2","3","1") = "6"
    & skf21("5","7","1","1","4","2","4","1") = "6"
    & skf21("5","7","1","1","4","2","5","1") = "6"
    & skf21("5","7","1","1","4","2","6","1") = "6"
    & skf21("5","7","1","1","4","2","7","1") = "6"
    & skf21("5","7","1","1","4","3","1","1") = "6"
    & skf21("5","7","1","1","4","3","2","1") = "6"
    & skf21("5","7","1","1","4","3","3","1") = "6"
    & skf21("5","7","1","1","4","3","4","1") = "6"
    & skf21("5","7","1","1","4","3","5","1") = "6"
    & skf21("5","7","1","1","4","3","6","1") = "6"
    & skf21("5","7","1","1","4","3","7","1") = "6"
    & skf21("5","7","1","1","4","4","1","1") = "6"
    & skf21("5","7","1","1","4","4","2","1") = "6"
    & skf21("5","7","1","1","4","4","3","1") = "6"
    & skf21("5","7","1","1","4","4","4","1") = "6"
    & skf21("5","7","1","1","4","4","5","1") = "6"
    & skf21("5","7","1","1","4","4","6","1") = "6"
    & skf21("5","7","1","1","4","4","7","1") = "6"
    & skf21("5","7","1","1","4","5","1","1") = "6"
    & skf21("5","7","1","1","4","5","2","1") = "6"
    & skf21("5","7","1","1","4","5","3","1") = "6"
    & skf21("5","7","1","1","4","5","4","1") = "6"
    & skf21("5","7","1","1","4","5","5","1") = "6"
    & skf21("5","7","1","1","4","5","6","1") = "6"
    & skf21("5","7","1","1","4","5","7","1") = "6"
    & skf21("5","7","1","1","4","6","1","1") = "6"
    & skf21("5","7","1","1","4","6","2","1") = "6"
    & skf21("5","7","1","1","4","6","3","1") = "6"
    & skf21("5","7","1","1","4","6","4","1") = "6"
    & skf21("5","7","1","1","4","6","5","1") = "6"
    & skf21("5","7","1","1","4","6","6","1") = "6"
    & skf21("5","7","1","1","4","6","7","1") = "6"
    & skf21("5","7","1","1","4","7","1","1") = "6"
    & skf21("5","7","1","1","4","7","2","1") = "6"
    & skf21("5","7","1","1","4","7","3","1") = "6"
    & skf21("5","7","1","1","4","7","4","1") = "6"
    & skf21("5","7","1","1","4","7","5","1") = "6"
    & skf21("5","7","1","1","4","7","6","1") = "6"
    & skf21("5","7","1","1","4","7","7","1") = "6"
    & skf21("5","7","1","1","5","1","1","1") = "6"
    & skf21("5","7","1","1","5","1","2","1") = "6"
    & skf21("5","7","1","1","5","1","3","1") = "6"
    & skf21("5","7","1","1","5","1","4","1") = "6"
    & skf21("5","7","1","1","5","1","5","1") = "6"
    & skf21("5","7","1","1","5","1","6","1") = "6"
    & skf21("5","7","1","1","5","1","7","1") = "6"
    & skf21("5","7","1","1","5","2","1","1") = "6"
    & skf21("5","7","1","1","5","2","2","1") = "6"
    & skf21("5","7","1","1","5","2","3","1") = "6"
    & skf21("5","7","1","1","5","2","4","1") = "6"
    & skf21("5","7","1","1","5","2","5","1") = "6"
    & skf21("5","7","1","1","5","2","6","1") = "6"
    & skf21("5","7","1","1","5","2","7","1") = "6"
    & skf21("5","7","1","1","5","3","1","1") = "6"
    & skf21("5","7","1","1","5","3","2","1") = "6"
    & skf21("5","7","1","1","5","3","3","1") = "6"
    & skf21("5","7","1","1","5","3","4","1") = "6"
    & skf21("5","7","1","1","5","3","5","1") = "6"
    & skf21("5","7","1","1","5","3","6","1") = "6"
    & skf21("5","7","1","1","5","3","7","1") = "6"
    & skf21("5","7","1","1","5","4","1","1") = "6"
    & skf21("5","7","1","1","5","4","2","1") = "6"
    & skf21("5","7","1","1","5","4","3","1") = "6"
    & skf21("5","7","1","1","5","4","4","1") = "6"
    & skf21("5","7","1","1","5","4","5","1") = "6"
    & skf21("5","7","1","1","5","4","6","1") = "6"
    & skf21("5","7","1","1","5","4","7","1") = "6"
    & skf21("5","7","1","1","5","5","1","1") = "6"
    & skf21("5","7","1","1","5","5","2","1") = "6"
    & skf21("5","7","1","1","5","5","3","1") = "6"
    & skf21("5","7","1","1","5","5","4","1") = "6"
    & skf21("5","7","1","1","5","5","5","1") = "6"
    & skf21("5","7","1","1","5","5","6","1") = "6"
    & skf21("5","7","1","1","5","5","7","1") = "6"
    & skf21("5","7","1","1","5","6","1","1") = "6"
    & skf21("5","7","1","1","5","6","2","1") = "6"
    & skf21("5","7","1","1","5","6","3","1") = "6"
    & skf21("5","7","1","1","5","6","4","1") = "6"
    & skf21("5","7","1","1","5","6","5","1") = "6"
    & skf21("5","7","1","1","5","6","6","1") = "6"
    & skf21("5","7","1","1","5","6","7","1") = "6"
    & skf21("5","7","1","1","5","7","1","1") = "6"
    & skf21("5","7","1","1","5","7","2","1") = "6"
    & skf21("5","7","1","1","5","7","3","1") = "6"
    & skf21("5","7","1","1","5","7","4","1") = "6"
    & skf21("5","7","1","1","5","7","5","1") = "6"
    & skf21("5","7","1","1","5","7","6","1") = "6"
    & skf21("5","7","1","1","5","7","7","1") = "6"
    & skf21("5","7","1","1","6","1","1","1") = "6"
    & skf21("5","7","1","1","6","1","2","1") = "6"
    & skf21("5","7","1","1","6","1","3","1") = "6"
    & skf21("5","7","1","1","6","1","4","1") = "6"
    & skf21("5","7","1","1","6","1","5","1") = "6"
    & skf21("5","7","1","1","6","1","6","1") = "6"
    & skf21("5","7","1","1","6","1","7","1") = "6"
    & skf21("5","7","1","1","6","2","1","1") = "6"
    & skf21("5","7","1","1","6","2","2","1") = "6"
    & skf21("5","7","1","1","6","2","3","1") = "6"
    & skf21("5","7","1","1","6","2","4","1") = "6"
    & skf21("5","7","1","1","6","2","5","1") = "6"
    & skf21("5","7","1","1","6","2","6","1") = "6"
    & skf21("5","7","1","1","6","2","7","1") = "6"
    & skf21("5","7","1","1","6","3","1","1") = "6"
    & skf21("5","7","1","1","6","3","2","1") = "6"
    & skf21("5","7","1","1","6","3","3","1") = "6"
    & skf21("5","7","1","1","6","3","4","1") = "6"
    & skf21("5","7","1","1","6","3","5","1") = "6"
    & skf21("5","7","1","1","6","3","6","1") = "6"
    & skf21("5","7","1","1","6","3","7","1") = "6"
    & skf21("5","7","1","1","6","4","1","1") = "6"
    & skf21("5","7","1","1","6","4","2","1") = "6"
    & skf21("5","7","1","1","6","4","3","1") = "6"
    & skf21("5","7","1","1","6","4","4","1") = "6"
    & skf21("5","7","1","1","6","4","5","1") = "6"
    & skf21("5","7","1","1","6","4","6","1") = "6"
    & skf21("5","7","1","1","6","4","7","1") = "6"
    & skf21("5","7","1","1","6","5","1","1") = "6"
    & skf21("5","7","1","1","6","5","2","1") = "6"
    & skf21("5","7","1","1","6","5","3","1") = "6"
    & skf21("5","7","1","1","6","5","4","1") = "6"
    & skf21("5","7","1","1","6","5","5","1") = "6"
    & skf21("5","7","1","1","6","5","6","1") = "6"
    & skf21("5","7","1","1","6","5","7","1") = "6"
    & skf21("5","7","1","1","6","6","1","1") = "6"
    & skf21("5","7","1","1","6","6","2","1") = "6"
    & skf21("5","7","1","1","6","6","3","1") = "6"
    & skf21("5","7","1","1","6","6","4","1") = "6"
    & skf21("5","7","1","1","6","6","5","1") = "6"
    & skf21("5","7","1","1","6","6","6","1") = "6"
    & skf21("5","7","1","1","6","6","7","1") = "6"
    & skf21("5","7","1","1","6","7","1","1") = "6"
    & skf21("5","7","1","1","6","7","2","1") = "6"
    & skf21("5","7","1","1","6","7","3","1") = "6"
    & skf21("5","7","1","1","6","7","4","1") = "6"
    & skf21("5","7","1","1","6","7","5","1") = "6"
    & skf21("5","7","1","1","6","7","6","1") = "6"
    & skf21("5","7","1","1","6","7","7","1") = "6"
    & skf21("5","7","1","1","7","1","1","1") = "6"
    & skf21("5","7","1","1","7","1","2","1") = "6"
    & skf21("5","7","1","1","7","1","3","1") = "6"
    & skf21("5","7","1","1","7","1","4","1") = "6"
    & skf21("5","7","1","1","7","1","5","1") = "6"
    & skf21("5","7","1","1","7","1","6","1") = "6"
    & skf21("5","7","1","1","7","1","7","1") = "6"
    & skf21("5","7","1","1","7","2","1","1") = "6"
    & skf21("5","7","1","1","7","2","2","1") = "6"
    & skf21("5","7","1","1","7","2","3","1") = "6"
    & skf21("5","7","1","1","7","2","4","1") = "6"
    & skf21("5","7","1","1","7","2","5","1") = "6"
    & skf21("5","7","1","1","7","2","6","1") = "6"
    & skf21("5","7","1","1","7","2","7","1") = "6"
    & skf21("5","7","1","1","7","3","1","1") = "6"
    & skf21("5","7","1","1","7","3","2","1") = "6"
    & skf21("5","7","1","1","7","3","3","1") = "6"
    & skf21("5","7","1","1","7","3","4","1") = "6"
    & skf21("5","7","1","1","7","3","5","1") = "6"
    & skf21("5","7","1","1","7","3","6","1") = "6"
    & skf21("5","7","1","1","7","3","7","1") = "6"
    & skf21("5","7","1","1","7","4","1","1") = "6"
    & skf21("5","7","1","1","7","4","2","1") = "6"
    & skf21("5","7","1","1","7","4","3","1") = "6"
    & skf21("5","7","1","1","7","4","4","1") = "6"
    & skf21("5","7","1","1","7","4","5","1") = "6"
    & skf21("5","7","1","1","7","4","6","1") = "6"
    & skf21("5","7","1","1","7","4","7","1") = "6"
    & skf21("5","7","1","1","7","5","1","1") = "6"
    & skf21("5","7","1","1","7","5","2","1") = "6"
    & skf21("5","7","1","1","7","5","3","1") = "6"
    & skf21("5","7","1","1","7","5","4","1") = "6"
    & skf21("5","7","1","1","7","5","5","1") = "6"
    & skf21("5","7","1","1","7","5","6","1") = "6"
    & skf21("5","7","1","1","7","5","7","1") = "6"
    & skf21("5","7","1","1","7","6","1","1") = "6"
    & skf21("5","7","1","1","7","6","2","1") = "6"
    & skf21("5","7","1","1","7","6","3","1") = "6"
    & skf21("5","7","1","1","7","6","4","1") = "6"
    & skf21("5","7","1","1","7","6","5","1") = "6"
    & skf21("5","7","1","1","7","6","6","1") = "6"
    & skf21("5","7","1","1","7","6","7","1") = "6"
    & skf21("5","7","1","1","7","7","1","1") = "6"
    & skf21("5","7","1","1","7","7","2","1") = "6"
    & skf21("5","7","1","1","7","7","3","1") = "6"
    & skf21("5","7","1","1","7","7","4","1") = "6"
    & skf21("5","7","1","1","7","7","5","1") = "6"
    & skf21("5","7","1","1","7","7","6","1") = "6"
    & skf21("5","7","1","1","7","7","7","1") = "6"
    & skf21("5","7","1","2","1","1","1","1") = "6"
    & skf21("5","7","1","2","1","1","2","1") = "6"
    & skf21("5","7","1","2","1","1","3","1") = "6"
    & skf21("5","7","1","2","1","1","4","1") = "6"
    & skf21("5","7","1","2","1","1","5","1") = "6"
    & skf21("5","7","1","2","1","1","6","1") = "6"
    & skf21("5","7","1","2","1","1","7","1") = "6"
    & skf21("5","7","1","2","1","2","1","1") = "6"
    & skf21("5","7","1","2","1","2","2","1") = "6"
    & skf21("5","7","1","2","1","2","3","1") = "6"
    & skf21("5","7","1","2","1","2","4","1") = "6"
    & skf21("5","7","1","2","1","2","5","1") = "6"
    & skf21("5","7","1","2","1","2","6","1") = "6"
    & skf21("5","7","1","2","1","2","7","1") = "6"
    & skf21("5","7","1","2","1","3","1","1") = "6"
    & skf21("5","7","1","2","1","3","2","1") = "6"
    & skf21("5","7","1","2","1","3","3","1") = "6"
    & skf21("5","7","1","2","1","3","4","1") = "6"
    & skf21("5","7","1","2","1","3","5","1") = "6"
    & skf21("5","7","1","2","1","3","6","1") = "6"
    & skf21("5","7","1","2","1","3","7","1") = "6"
    & skf21("5","7","1","2","1","4","1","1") = "6"
    & skf21("5","7","1","2","1","4","2","1") = "6"
    & skf21("5","7","1","2","1","4","3","1") = "6"
    & skf21("5","7","1","2","1","4","4","1") = "6"
    & skf21("5","7","1","2","1","4","5","1") = "6"
    & skf21("5","7","1","2","1","4","6","1") = "6"
    & skf21("5","7","1","2","1","4","7","1") = "6"
    & skf21("5","7","1","2","1","5","1","1") = "6"
    & skf21("5","7","1","2","1","5","2","1") = "6"
    & skf21("5","7","1","2","1","5","3","1") = "6"
    & skf21("5","7","1","2","1","5","4","1") = "6"
    & skf21("5","7","1","2","1","5","5","1") = "6"
    & skf21("5","7","1","2","1","5","6","1") = "6"
    & skf21("5","7","1","2","1","5","7","1") = "6"
    & skf21("5","7","1","2","1","6","1","1") = "6"
    & skf21("5","7","1","2","1","6","2","1") = "6"
    & skf21("5","7","1","2","1","6","3","1") = "6"
    & skf21("5","7","1","2","1","6","4","1") = "6"
    & skf21("5","7","1","2","1","6","5","1") = "6"
    & skf21("5","7","1","2","1","6","6","1") = "6"
    & skf21("5","7","1","2","1","6","7","1") = "6"
    & skf21("5","7","1","2","1","7","1","1") = "6"
    & skf21("5","7","1","2","1","7","2","1") = "6"
    & skf21("5","7","1","2","1","7","3","1") = "6"
    & skf21("5","7","1","2","1","7","4","1") = "6"
    & skf21("5","7","1","2","1","7","5","1") = "6"
    & skf21("5","7","1","2","1","7","6","1") = "6"
    & skf21("5","7","1","2","1","7","7","1") = "6"
    & skf21("5","7","1","2","2","1","1","1") = "6"
    & skf21("5","7","1","2","2","1","2","1") = "6"
    & skf21("5","7","1","2","2","1","3","1") = "6"
    & skf21("5","7","1","2","2","1","4","1") = "6"
    & skf21("5","7","1","2","2","1","5","1") = "6"
    & skf21("5","7","1","2","2","1","6","1") = "6"
    & skf21("5","7","1","2","2","1","7","1") = "6"
    & skf21("5","7","1","2","2","2","1","1") = "6"
    & skf21("5","7","1","2","2","2","2","1") = "6"
    & skf21("5","7","1","2","2","2","3","1") = "6"
    & skf21("5","7","1","2","2","2","4","1") = "6"
    & skf21("5","7","1","2","2","2","5","1") = "6"
    & skf21("5","7","1","2","2","2","6","1") = "6"
    & skf21("5","7","1","2","2","2","7","1") = "6"
    & skf21("5","7","1","2","2","3","1","1") = "6"
    & skf21("5","7","1","2","2","3","2","1") = "6"
    & skf21("5","7","1","2","2","3","3","1") = "6"
    & skf21("5","7","1","2","2","3","4","1") = "6"
    & skf21("5","7","1","2","2","3","5","1") = "6"
    & skf21("5","7","1","2","2","3","6","1") = "6"
    & skf21("5","7","1","2","2","3","7","1") = "6"
    & skf21("5","7","1","2","2","4","1","1") = "6"
    & skf21("5","7","1","2","2","4","2","1") = "6"
    & skf21("5","7","1","2","2","4","3","1") = "6"
    & skf21("5","7","1","2","2","4","4","1") = "6"
    & skf21("5","7","1","2","2","4","5","1") = "6"
    & skf21("5","7","1","2","2","4","6","1") = "6"
    & skf21("5","7","1","2","2","4","7","1") = "6"
    & skf21("5","7","1","2","2","5","1","1") = "6"
    & skf21("5","7","1","2","2","5","2","1") = "6"
    & skf21("5","7","1","2","2","5","3","1") = "6"
    & skf21("5","7","1","2","2","5","4","1") = "6"
    & skf21("5","7","1","2","2","5","5","1") = "6"
    & skf21("5","7","1","2","2","5","6","1") = "6"
    & skf21("5","7","1","2","2","5","7","1") = "6"
    & skf21("5","7","1","2","2","6","1","1") = "6"
    & skf21("5","7","1","2","2","6","2","1") = "6"
    & skf21("5","7","1","2","2","6","3","1") = "6"
    & skf21("5","7","1","2","2","6","4","1") = "6"
    & skf21("5","7","1","2","2","6","5","1") = "6"
    & skf21("5","7","1","2","2","6","6","1") = "6"
    & skf21("5","7","1","2","2","6","7","1") = "6"
    & skf21("5","7","1","2","2","7","1","1") = "6"
    & skf21("5","7","1","2","2","7","2","1") = "6"
    & skf21("5","7","1","2","2","7","3","1") = "6"
    & skf21("5","7","1","2","2","7","4","1") = "6"
    & skf21("5","7","1","2","2","7","5","1") = "6"
    & skf21("5","7","1","2","2","7","6","1") = "6"
    & skf21("5","7","1","2","2","7","7","1") = "6"
    & skf21("5","7","1","2","3","1","1","1") = "6"
    & skf21("5","7","1","2","3","1","2","1") = "6"
    & skf21("5","7","1","2","3","1","3","1") = "6"
    & skf21("5","7","1","2","3","1","4","1") = "6"
    & skf21("5","7","1","2","3","1","5","1") = "6"
    & skf21("5","7","1","2","3","1","6","1") = "6"
    & skf21("5","7","1","2","3","1","7","1") = "6"
    & skf21("5","7","1","2","3","2","1","1") = "6"
    & skf21("5","7","1","2","3","2","2","1") = "6"
    & skf21("5","7","1","2","3","2","3","1") = "6"
    & skf21("5","7","1","2","3","2","4","1") = "6"
    & skf21("5","7","1","2","3","2","5","1") = "6"
    & skf21("5","7","1","2","3","2","6","1") = "6"
    & skf21("5","7","1","2","3","2","7","1") = "6"
    & skf21("5","7","1","2","3","3","1","1") = "6"
    & skf21("5","7","1","2","3","3","2","1") = "6"
    & skf21("5","7","1","2","3","3","3","1") = "6"
    & skf21("5","7","1","2","3","3","4","1") = "6"
    & skf21("5","7","1","2","3","3","5","1") = "6"
    & skf21("5","7","1","2","3","3","6","1") = "6"
    & skf21("5","7","1","2","3","3","7","1") = "6"
    & skf21("5","7","1","2","3","4","1","1") = "6"
    & skf21("5","7","1","2","3","4","2","1") = "6"
    & skf21("5","7","1","2","3","4","3","1") = "6"
    & skf21("5","7","1","2","3","4","4","1") = "6"
    & skf21("5","7","1","2","3","4","5","1") = "6"
    & skf21("5","7","1","2","3","4","6","1") = "6"
    & skf21("5","7","1","2","3","4","7","1") = "6"
    & skf21("5","7","1","2","3","5","1","1") = "6"
    & skf21("5","7","1","2","3","5","2","1") = "6"
    & skf21("5","7","1","2","3","5","3","1") = "6"
    & skf21("5","7","1","2","3","5","4","1") = "6"
    & skf21("5","7","1","2","3","5","5","1") = "6"
    & skf21("5","7","1","2","3","5","6","1") = "6"
    & skf21("5","7","1","2","3","5","7","1") = "6"
    & skf21("5","7","1","2","3","6","1","1") = "6"
    & skf21("5","7","1","2","3","6","2","1") = "6"
    & skf21("5","7","1","2","3","6","3","1") = "6"
    & skf21("5","7","1","2","3","6","4","1") = "6"
    & skf21("5","7","1","2","3","6","5","1") = "6"
    & skf21("5","7","1","2","3","6","6","1") = "6"
    & skf21("5","7","1","2","3","6","7","1") = "6"
    & skf21("5","7","1","2","3","7","1","1") = "6"
    & skf21("5","7","1","2","3","7","2","1") = "6"
    & skf21("5","7","1","2","3","7","3","1") = "6"
    & skf21("5","7","1","2","3","7","4","1") = "6"
    & skf21("5","7","1","2","3","7","5","1") = "6"
    & skf21("5","7","1","2","3","7","6","1") = "6"
    & skf21("5","7","1","2","3","7","7","1") = "6"
    & skf21("5","7","1","2","4","1","1","1") = "6"
    & skf21("5","7","1","2","4","1","2","1") = "6"
    & skf21("5","7","1","2","4","1","3","1") = "6"
    & skf21("5","7","1","2","4","1","4","1") = "6"
    & skf21("5","7","1","2","4","1","5","1") = "6"
    & skf21("5","7","1","2","4","1","6","1") = "6"
    & skf21("5","7","1","2","4","1","7","1") = "6"
    & skf21("5","7","1","2","4","2","1","1") = "6"
    & skf21("5","7","1","2","4","2","2","1") = "6"
    & skf21("5","7","1","2","4","2","3","1") = "6"
    & skf21("5","7","1","2","4","2","4","1") = "6"
    & skf21("5","7","1","2","4","2","5","1") = "6"
    & skf21("5","7","1","2","4","2","6","1") = "6"
    & skf21("5","7","1","2","4","2","7","1") = "6"
    & skf21("5","7","1","2","4","3","1","1") = "6"
    & skf21("5","7","1","2","4","3","2","1") = "6"
    & skf21("5","7","1","2","4","3","3","1") = "6"
    & skf21("5","7","1","2","4","3","4","1") = "6"
    & skf21("5","7","1","2","4","3","5","1") = "6"
    & skf21("5","7","1","2","4","3","6","1") = "6"
    & skf21("5","7","1","2","4","3","7","1") = "6"
    & skf21("5","7","1","2","4","4","1","1") = "6"
    & skf21("5","7","1","2","4","4","2","1") = "6"
    & skf21("5","7","1","2","4","4","3","1") = "6"
    & skf21("5","7","1","2","4","4","4","1") = "6"
    & skf21("5","7","1","2","4","4","5","1") = "6"
    & skf21("5","7","1","2","4","4","6","1") = "6"
    & skf21("5","7","1","2","4","4","7","1") = "6"
    & skf21("5","7","1","2","4","5","1","1") = "6"
    & skf21("5","7","1","2","4","5","2","1") = "6"
    & skf21("5","7","1","2","4","5","3","1") = "6"
    & skf21("5","7","1","2","4","5","4","1") = "6"
    & skf21("5","7","1","2","4","5","5","1") = "6"
    & skf21("5","7","1","2","4","5","6","1") = "6"
    & skf21("5","7","1","2","4","5","7","1") = "6"
    & skf21("5","7","1","2","4","6","1","1") = "6"
    & skf21("5","7","1","2","4","6","2","1") = "6"
    & skf21("5","7","1","2","4","6","3","1") = "6"
    & skf21("5","7","1","2","4","6","4","1") = "6"
    & skf21("5","7","1","2","4","6","5","1") = "6"
    & skf21("5","7","1","2","4","6","6","1") = "6"
    & skf21("5","7","1","2","4","6","7","1") = "6"
    & skf21("5","7","1","2","4","7","1","1") = "6"
    & skf21("5","7","1","2","4","7","2","1") = "6"
    & skf21("5","7","1","2","4","7","3","1") = "6"
    & skf21("5","7","1","2","4","7","4","1") = "6"
    & skf21("5","7","1","2","4","7","5","1") = "6"
    & skf21("5","7","1","2","4","7","6","1") = "6"
    & skf21("5","7","1","2","4","7","7","1") = "6"
    & skf21("5","7","1","2","5","1","1","1") = "6"
    & skf21("5","7","1","2","5","1","2","1") = "6"
    & skf21("5","7","1","2","5","1","3","1") = "6"
    & skf21("5","7","1","2","5","1","4","1") = "6"
    & skf21("5","7","1","2","5","1","5","1") = "6"
    & skf21("5","7","1","2","5","1","6","1") = "6"
    & skf21("5","7","1","2","5","1","7","1") = "6"
    & skf21("5","7","1","2","5","2","1","1") = "6"
    & skf21("5","7","1","2","5","2","2","1") = "6"
    & skf21("5","7","1","2","5","2","3","1") = "6"
    & skf21("5","7","1","2","5","2","4","1") = "6"
    & skf21("5","7","1","2","5","2","5","1") = "6"
    & skf21("5","7","1","2","5","2","6","1") = "6"
    & skf21("5","7","1","2","5","2","7","1") = "6"
    & skf21("5","7","1","2","5","3","1","1") = "6"
    & skf21("5","7","1","2","5","3","2","1") = "6"
    & skf21("5","7","1","2","5","3","3","1") = "6"
    & skf21("5","7","1","2","5","3","4","1") = "6"
    & skf21("5","7","1","2","5","3","5","1") = "6"
    & skf21("5","7","1","2","5","3","6","1") = "6"
    & skf21("5","7","1","2","5","3","7","1") = "6"
    & skf21("5","7","1","2","5","4","1","1") = "6"
    & skf21("5","7","1","2","5","4","2","1") = "6"
    & skf21("5","7","1","2","5","4","3","1") = "6"
    & skf21("5","7","1","2","5","4","4","1") = "6"
    & skf21("5","7","1","2","5","4","5","1") = "6"
    & skf21("5","7","1","2","5","4","6","1") = "6"
    & skf21("5","7","1","2","5","4","7","1") = "6"
    & skf21("5","7","1","2","5","5","1","1") = "6"
    & skf21("5","7","1","2","5","5","2","1") = "6"
    & skf21("5","7","1","2","5","5","3","1") = "6"
    & skf21("5","7","1","2","5","5","4","1") = "6"
    & skf21("5","7","1","2","5","5","5","1") = "6"
    & skf21("5","7","1","2","5","5","6","1") = "6"
    & skf21("5","7","1","2","5","5","7","1") = "6"
    & skf21("5","7","1","2","5","6","1","1") = "6"
    & skf21("5","7","1","2","5","6","2","1") = "6"
    & skf21("5","7","1","2","5","6","3","1") = "6"
    & skf21("5","7","1","2","5","6","4","1") = "6"
    & skf21("5","7","1","2","5","6","5","1") = "6"
    & skf21("5","7","1","2","5","6","6","1") = "6"
    & skf21("5","7","1","2","5","6","7","1") = "6"
    & skf21("5","7","1","2","5","7","1","1") = "6"
    & skf21("5","7","1","2","5","7","2","1") = "6"
    & skf21("5","7","1","2","5","7","3","1") = "6"
    & skf21("5","7","1","2","5","7","4","1") = "6"
    & skf21("5","7","1","2","5","7","5","1") = "6"
    & skf21("5","7","1","2","5","7","6","1") = "6"
    & skf21("5","7","1","2","5","7","7","1") = "6"
    & skf21("5","7","1","2","6","1","1","1") = "6"
    & skf21("5","7","1","2","6","1","2","1") = "6"
    & skf21("5","7","1","2","6","1","3","1") = "6"
    & skf21("5","7","1","2","6","1","4","1") = "6"
    & skf21("5","7","1","2","6","1","5","1") = "6"
    & skf21("5","7","1","2","6","1","6","1") = "6"
    & skf21("5","7","1","2","6","1","7","1") = "6"
    & skf21("5","7","1","2","6","2","1","1") = "6"
    & skf21("5","7","1","2","6","2","2","1") = "6"
    & skf21("5","7","1","2","6","2","3","1") = "6"
    & skf21("5","7","1","2","6","2","4","1") = "6"
    & skf21("5","7","1","2","6","2","5","1") = "6"
    & skf21("5","7","1","2","6","2","6","1") = "6"
    & skf21("5","7","1","2","6","2","7","1") = "6"
    & skf21("5","7","1","2","6","3","1","1") = "6"
    & skf21("5","7","1","2","6","3","2","1") = "6"
    & skf21("5","7","1","2","6","3","3","1") = "6"
    & skf21("5","7","1","2","6","3","4","1") = "6"
    & skf21("5","7","1","2","6","3","5","1") = "6"
    & skf21("5","7","1","2","6","3","6","1") = "6"
    & skf21("5","7","1","2","6","3","7","1") = "6"
    & skf21("5","7","1","2","6","4","1","1") = "6"
    & skf21("5","7","1","2","6","4","2","1") = "6"
    & skf21("5","7","1","2","6","4","3","1") = "6"
    & skf21("5","7","1","2","6","4","4","1") = "6"
    & skf21("5","7","1","2","6","4","5","1") = "6"
    & skf21("5","7","1","2","6","4","6","1") = "6"
    & skf21("5","7","1","2","6","4","7","1") = "6"
    & skf21("5","7","1","2","6","5","1","1") = "6"
    & skf21("5","7","1","2","6","5","2","1") = "6"
    & skf21("5","7","1","2","6","5","3","1") = "6"
    & skf21("5","7","1","2","6","5","4","1") = "6"
    & skf21("5","7","1","2","6","5","5","1") = "6"
    & skf21("5","7","1","2","6","5","6","1") = "6"
    & skf21("5","7","1","2","6","5","7","1") = "6"
    & skf21("5","7","1","2","6","6","1","1") = "6"
    & skf21("5","7","1","2","6","6","2","1") = "6"
    & skf21("5","7","1","2","6","6","3","1") = "6"
    & skf21("5","7","1","2","6","6","4","1") = "6"
    & skf21("5","7","1","2","6","6","5","1") = "6"
    & skf21("5","7","1","2","6","6","6","1") = "6"
    & skf21("5","7","1","2","6","6","7","1") = "6"
    & skf21("5","7","1","2","6","7","1","1") = "6"
    & skf21("5","7","1","2","6","7","2","1") = "6"
    & skf21("5","7","1","2","6","7","3","1") = "6"
    & skf21("5","7","1","2","6","7","4","1") = "6"
    & skf21("5","7","1","2","6","7","5","1") = "6"
    & skf21("5","7","1","2","6","7","6","1") = "6"
    & skf21("5","7","1","2","6","7","7","1") = "6"
    & skf21("5","7","1","2","7","1","1","1") = "6"
    & skf21("5","7","1","2","7","1","2","1") = "6"
    & skf21("5","7","1","2","7","1","3","1") = "6"
    & skf21("5","7","1","2","7","1","4","1") = "6"
    & skf21("5","7","1","2","7","1","5","1") = "6"
    & skf21("5","7","1","2","7","1","6","1") = "6"
    & skf21("5","7","1","2","7","1","7","1") = "6"
    & skf21("5","7","1","2","7","2","1","1") = "6"
    & skf21("5","7","1","2","7","2","2","1") = "6"
    & skf21("5","7","1","2","7","2","3","1") = "6"
    & skf21("5","7","1","2","7","2","4","1") = "6"
    & skf21("5","7","1","2","7","2","5","1") = "6"
    & skf21("5","7","1","2","7","2","6","1") = "6"
    & skf21("5","7","1","2","7","2","7","1") = "6"
    & skf21("5","7","1","2","7","3","1","1") = "6"
    & skf21("5","7","1","2","7","3","2","1") = "6"
    & skf21("5","7","1","2","7","3","3","1") = "6"
    & skf21("5","7","1","2","7","3","4","1") = "6"
    & skf21("5","7","1","2","7","3","5","1") = "6"
    & skf21("5","7","1","2","7","3","6","1") = "6"
    & skf21("5","7","1","2","7","3","7","1") = "6"
    & skf21("5","7","1","2","7","4","1","1") = "6"
    & skf21("5","7","1","2","7","4","2","1") = "6"
    & skf21("5","7","1","2","7","4","3","1") = "6"
    & skf21("5","7","1","2","7","4","4","1") = "6"
    & skf21("5","7","1","2","7","4","5","1") = "6"
    & skf21("5","7","1","2","7","4","6","1") = "6"
    & skf21("5","7","1","2","7","4","7","1") = "6"
    & skf21("5","7","1","2","7","5","1","1") = "6"
    & skf21("5","7","1","2","7","5","2","1") = "6"
    & skf21("5","7","1","2","7","5","3","1") = "6"
    & skf21("5","7","1","2","7","5","4","1") = "6"
    & skf21("5","7","1","2","7","5","5","1") = "6"
    & skf21("5","7","1","2","7","5","6","1") = "6"
    & skf21("5","7","1","2","7","5","7","1") = "6"
    & skf21("5","7","1","2","7","6","1","1") = "6"
    & skf21("5","7","1","2","7","6","2","1") = "6"
    & skf21("5","7","1","2","7","6","3","1") = "6"
    & skf21("5","7","1","2","7","6","4","1") = "6"
    & skf21("5","7","1","2","7","6","5","1") = "6"
    & skf21("5","7","1","2","7","6","6","1") = "6"
    & skf21("5","7","1","2","7","6","7","1") = "6"
    & skf21("5","7","1","2","7","7","1","1") = "6"
    & skf21("5","7","1","2","7","7","2","1") = "6"
    & skf21("5","7","1","2","7","7","3","1") = "6"
    & skf21("5","7","1","2","7","7","4","1") = "6"
    & skf21("5","7","1","2","7","7","5","1") = "6"
    & skf21("5","7","1","2","7","7","6","1") = "6"
    & skf21("5","7","1","2","7","7","7","1") = "6"
    & skf21("5","7","1","3","1","1","1","1") = "6"
    & skf21("5","7","1","3","1","1","2","1") = "6"
    & skf21("5","7","1","3","1","1","3","1") = "6"
    & skf21("5","7","1","3","1","1","4","1") = "6"
    & skf21("5","7","1","3","1","1","5","1") = "6"
    & skf21("5","7","1","3","1","1","6","1") = "6"
    & skf21("5","7","1","3","1","1","7","1") = "6"
    & skf21("5","7","1","3","1","2","1","1") = "6"
    & skf21("5","7","1","3","1","2","2","1") = "6"
    & skf21("5","7","1","3","1","2","3","1") = "6"
    & skf21("5","7","1","3","1","2","4","1") = "6"
    & skf21("5","7","1","3","1","2","5","1") = "6"
    & skf21("5","7","1","3","1","2","6","1") = "6"
    & skf21("5","7","1","3","1","2","7","1") = "6"
    & skf21("5","7","1","3","1","3","1","1") = "6"
    & skf21("5","7","1","3","1","3","2","1") = "6"
    & skf21("5","7","1","3","1","3","3","1") = "6"
    & skf21("5","7","1","3","1","3","4","1") = "6"
    & skf21("5","7","1","3","1","3","5","1") = "6"
    & skf21("5","7","1","3","1","3","6","1") = "6"
    & skf21("5","7","1","3","1","3","7","1") = "6"
    & skf21("5","7","1","3","1","4","1","1") = "6"
    & skf21("5","7","1","3","1","4","2","1") = "6"
    & skf21("5","7","1","3","1","4","3","1") = "6"
    & skf21("5","7","1","3","1","4","4","1") = "6"
    & skf21("5","7","1","3","1","4","5","1") = "6"
    & skf21("5","7","1","3","1","4","6","1") = "6"
    & skf21("5","7","1","3","1","4","7","1") = "6"
    & skf21("5","7","1","3","1","5","1","1") = "6"
    & skf21("5","7","1","3","1","5","2","1") = "6"
    & skf21("5","7","1","3","1","5","3","1") = "6"
    & skf21("5","7","1","3","1","5","4","1") = "6"
    & skf21("5","7","1","3","1","5","5","1") = "6"
    & skf21("5","7","1","3","1","5","6","1") = "6"
    & skf21("5","7","1","3","1","5","7","1") = "6"
    & skf21("5","7","1","3","1","6","1","1") = "6"
    & skf21("5","7","1","3","1","6","2","1") = "6"
    & skf21("5","7","1","3","1","6","3","1") = "6"
    & skf21("5","7","1","3","1","6","4","1") = "6"
    & skf21("5","7","1","3","1","6","5","1") = "6"
    & skf21("5","7","1","3","1","6","6","1") = "6"
    & skf21("5","7","1","3","1","6","7","1") = "6"
    & skf21("5","7","1","3","1","7","1","1") = "6"
    & skf21("5","7","1","3","1","7","2","1") = "6"
    & skf21("5","7","1","3","1","7","3","1") = "6"
    & skf21("5","7","1","3","1","7","4","1") = "6"
    & skf21("5","7","1","3","1","7","5","1") = "6"
    & skf21("5","7","1","3","1","7","6","1") = "6"
    & skf21("5","7","1","3","1","7","7","1") = "6"
    & skf21("5","7","1","3","2","1","1","1") = "6"
    & skf21("5","7","1","3","2","1","2","1") = "6"
    & skf21("5","7","1","3","2","1","3","1") = "6"
    & skf21("5","7","1","3","2","1","4","1") = "6"
    & skf21("5","7","1","3","2","1","5","1") = "6"
    & skf21("5","7","1","3","2","1","6","1") = "6"
    & skf21("5","7","1","3","2","1","7","1") = "6"
    & skf21("5","7","1","3","2","2","1","1") = "6"
    & skf21("5","7","1","3","2","2","2","1") = "6"
    & skf21("5","7","1","3","2","2","3","1") = "6"
    & skf21("5","7","1","3","2","2","4","1") = "6"
    & skf21("5","7","1","3","2","2","5","1") = "6"
    & skf21("5","7","1","3","2","2","6","1") = "6"
    & skf21("5","7","1","3","2","2","7","1") = "6"
    & skf21("5","7","1","3","2","3","1","1") = "6"
    & skf21("5","7","1","3","2","3","2","1") = "6"
    & skf21("5","7","1","3","2","3","3","1") = "6"
    & skf21("5","7","1","3","2","3","4","1") = "6"
    & skf21("5","7","1","3","2","3","5","1") = "6"
    & skf21("5","7","1","3","2","3","6","1") = "6"
    & skf21("5","7","1","3","2","3","7","1") = "6"
    & skf21("5","7","1","3","2","4","1","1") = "6"
    & skf21("5","7","1","3","2","4","2","1") = "6"
    & skf21("5","7","1","3","2","4","3","1") = "6"
    & skf21("5","7","1","3","2","4","4","1") = "6"
    & skf21("5","7","1","3","2","4","5","1") = "6"
    & skf21("5","7","1","3","2","4","6","1") = "6"
    & skf21("5","7","1","3","2","4","7","1") = "6"
    & skf21("5","7","1","3","2","5","1","1") = "6"
    & skf21("5","7","1","3","2","5","2","1") = "6"
    & skf21("5","7","1","3","2","5","3","1") = "6"
    & skf21("5","7","1","3","2","5","4","1") = "6"
    & skf21("5","7","1","3","2","5","5","1") = "6"
    & skf21("5","7","1","3","2","5","6","1") = "6"
    & skf21("5","7","1","3","2","5","7","1") = "6"
    & skf21("5","7","1","3","2","6","1","1") = "6"
    & skf21("5","7","1","3","2","6","2","1") = "6"
    & skf21("5","7","1","3","2","6","3","1") = "6"
    & skf21("5","7","1","3","2","6","4","1") = "6"
    & skf21("5","7","1","3","2","6","5","1") = "6"
    & skf21("5","7","1","3","2","6","6","1") = "6"
    & skf21("5","7","1","3","2","6","7","1") = "6"
    & skf21("5","7","1","3","2","7","1","1") = "6"
    & skf21("5","7","1","3","2","7","2","1") = "6"
    & skf21("5","7","1","3","2","7","3","1") = "6"
    & skf21("5","7","1","3","2","7","4","1") = "6"
    & skf21("5","7","1","3","2","7","5","1") = "6"
    & skf21("5","7","1","3","2","7","6","1") = "6"
    & skf21("5","7","1","3","2","7","7","1") = "6"
    & skf21("5","7","1","3","3","1","1","1") = "6"
    & skf21("5","7","1","3","3","1","2","1") = "6"
    & skf21("5","7","1","3","3","1","3","1") = "6"
    & skf21("5","7","1","3","3","1","4","1") = "6"
    & skf21("5","7","1","3","3","1","5","1") = "6"
    & skf21("5","7","1","3","3","1","6","1") = "6"
    & skf21("5","7","1","3","3","1","7","1") = "6"
    & skf21("5","7","1","3","3","2","1","1") = "6"
    & skf21("5","7","1","3","3","2","2","1") = "6"
    & skf21("5","7","1","3","3","2","3","1") = "6"
    & skf21("5","7","1","3","3","2","4","1") = "6"
    & skf21("5","7","1","3","3","2","5","1") = "6"
    & skf21("5","7","1","3","3","2","6","1") = "6"
    & skf21("5","7","1","3","3","2","7","1") = "6"
    & skf21("5","7","1","3","3","3","1","1") = "6"
    & skf21("5","7","1","3","3","3","2","1") = "6"
    & skf21("5","7","1","3","3","3","3","1") = "6"
    & skf21("5","7","1","3","3","3","4","1") = "6"
    & skf21("5","7","1","3","3","3","5","1") = "6"
    & skf21("5","7","1","3","3","3","6","1") = "6"
    & skf21("5","7","1","3","3","3","7","1") = "6"
    & skf21("5","7","1","3","3","4","1","1") = "6"
    & skf21("5","7","1","3","3","4","2","1") = "6"
    & skf21("5","7","1","3","3","4","3","1") = "6"
    & skf21("5","7","1","3","3","4","4","1") = "6"
    & skf21("5","7","1","3","3","4","5","1") = "6"
    & skf21("5","7","1","3","3","4","6","1") = "6"
    & skf21("5","7","1","3","3","4","7","1") = "6"
    & skf21("5","7","1","3","3","5","1","1") = "6"
    & skf21("5","7","1","3","3","5","2","1") = "6"
    & skf21("5","7","1","3","3","5","3","1") = "6"
    & skf21("5","7","1","3","3","5","4","1") = "6"
    & skf21("5","7","1","3","3","5","5","1") = "6"
    & skf21("5","7","1","3","3","5","6","1") = "6"
    & skf21("5","7","1","3","3","5","7","1") = "6"
    & skf21("5","7","1","3","3","6","1","1") = "6"
    & skf21("5","7","1","3","3","6","2","1") = "6"
    & skf21("5","7","1","3","3","6","3","1") = "6"
    & skf21("5","7","1","3","3","6","4","1") = "6"
    & skf21("5","7","1","3","3","6","5","1") = "6"
    & skf21("5","7","1","3","3","6","6","1") = "6"
    & skf21("5","7","1","3","3","6","7","1") = "6"
    & skf21("5","7","1","3","3","7","1","1") = "6"
    & skf21("5","7","1","3","3","7","2","1") = "6"
    & skf21("5","7","1","3","3","7","3","1") = "6"
    & skf21("5","7","1","3","3","7","4","1") = "6"
    & skf21("5","7","1","3","3","7","5","1") = "6"
    & skf21("5","7","1","3","3","7","6","1") = "6"
    & skf21("5","7","1","3","3","7","7","1") = "6"
    & skf21("5","7","1","3","4","1","1","1") = "6"
    & skf21("5","7","1","3","4","1","2","1") = "6"
    & skf21("5","7","1","3","4","1","3","1") = "6"
    & skf21("5","7","1","3","4","1","4","1") = "6"
    & skf21("5","7","1","3","4","1","5","1") = "6"
    & skf21("5","7","1","3","4","1","6","1") = "6"
    & skf21("5","7","1","3","4","1","7","1") = "6"
    & skf21("5","7","1","3","4","2","1","1") = "6"
    & skf21("5","7","1","3","4","2","2","1") = "6"
    & skf21("5","7","1","3","4","2","3","1") = "6"
    & skf21("5","7","1","3","4","2","4","1") = "6"
    & skf21("5","7","1","3","4","2","5","1") = "6"
    & skf21("5","7","1","3","4","2","6","1") = "6"
    & skf21("5","7","1","3","4","2","7","1") = "6"
    & skf21("5","7","1","3","4","3","1","1") = "6"
    & skf21("5","7","1","3","4","3","2","1") = "6"
    & skf21("5","7","1","3","4","3","3","1") = "6"
    & skf21("5","7","1","3","4","3","4","1") = "6"
    & skf21("5","7","1","3","4","3","5","1") = "6"
    & skf21("5","7","1","3","4","3","6","1") = "6"
    & skf21("5","7","1","3","4","3","7","1") = "6"
    & skf21("5","7","1","3","4","4","1","1") = "6"
    & skf21("5","7","1","3","4","4","2","1") = "6"
    & skf21("5","7","1","3","4","4","3","1") = "6"
    & skf21("5","7","1","3","4","4","4","1") = "6"
    & skf21("5","7","1","3","4","4","5","1") = "6"
    & skf21("5","7","1","3","4","4","6","1") = "6"
    & skf21("5","7","1","3","4","4","7","1") = "6"
    & skf21("5","7","1","3","4","5","1","1") = "6"
    & skf21("5","7","1","3","4","5","2","1") = "6"
    & skf21("5","7","1","3","4","5","3","1") = "6"
    & skf21("5","7","1","3","4","5","4","1") = "6"
    & skf21("5","7","1","3","4","5","5","1") = "6"
    & skf21("5","7","1","3","4","5","6","1") = "6"
    & skf21("5","7","1","3","4","5","7","1") = "6"
    & skf21("5","7","1","3","4","6","1","1") = "6"
    & skf21("5","7","1","3","4","6","2","1") = "6"
    & skf21("5","7","1","3","4","6","3","1") = "6"
    & skf21("5","7","1","3","4","6","4","1") = "6"
    & skf21("5","7","1","3","4","6","5","1") = "6"
    & skf21("5","7","1","3","4","6","6","1") = "6"
    & skf21("5","7","1","3","4","6","7","1") = "6"
    & skf21("5","7","1","3","4","7","1","1") = "6"
    & skf21("5","7","1","3","4","7","2","1") = "6"
    & skf21("5","7","1","3","4","7","3","1") = "6"
    & skf21("5","7","1","3","4","7","4","1") = "6"
    & skf21("5","7","1","3","4","7","5","1") = "6"
    & skf21("5","7","1","3","4","7","6","1") = "6"
    & skf21("5","7","1","3","4","7","7","1") = "6"
    & skf21("5","7","1","3","5","1","1","1") = "6"
    & skf21("5","7","1","3","5","1","2","1") = "6"
    & skf21("5","7","1","3","5","1","3","1") = "6"
    & skf21("5","7","1","3","5","1","4","1") = "6"
    & skf21("5","7","1","3","5","1","5","1") = "6"
    & skf21("5","7","1","3","5","1","6","1") = "6"
    & skf21("5","7","1","3","5","1","7","1") = "6"
    & skf21("5","7","1","3","5","2","1","1") = "6"
    & skf21("5","7","1","3","5","2","2","1") = "6"
    & skf21("5","7","1","3","5","2","3","1") = "6"
    & skf21("5","7","1","3","5","2","4","1") = "6"
    & skf21("5","7","1","3","5","2","5","1") = "6"
    & skf21("5","7","1","3","5","2","6","1") = "6"
    & skf21("5","7","1","3","5","2","7","1") = "6"
    & skf21("5","7","1","3","5","3","1","1") = "6"
    & skf21("5","7","1","3","5","3","2","1") = "6"
    & skf21("5","7","1","3","5","3","3","1") = "6"
    & skf21("5","7","1","3","5","3","4","1") = "6"
    & skf21("5","7","1","3","5","3","5","1") = "6"
    & skf21("5","7","1","3","5","3","6","1") = "6"
    & skf21("5","7","1","3","5","3","7","1") = "6"
    & skf21("5","7","1","3","5","4","1","1") = "6"
    & skf21("5","7","1","3","5","4","2","1") = "6"
    & skf21("5","7","1","3","5","4","3","1") = "6"
    & skf21("5","7","1","3","5","4","4","1") = "6"
    & skf21("5","7","1","3","5","4","5","1") = "6"
    & skf21("5","7","1","3","5","4","6","1") = "6"
    & skf21("5","7","1","3","5","4","7","1") = "6"
    & skf21("5","7","1","3","5","5","1","1") = "6"
    & skf21("5","7","1","3","5","5","2","1") = "6"
    & skf21("5","7","1","3","5","5","3","1") = "6"
    & skf21("5","7","1","3","5","5","4","1") = "6"
    & skf21("5","7","1","3","5","5","5","1") = "6"
    & skf21("5","7","1","3","5","5","6","1") = "6"
    & skf21("5","7","1","3","5","5","7","1") = "6"
    & skf21("5","7","1","3","5","6","1","1") = "6"
    & skf21("5","7","1","3","5","6","2","1") = "6"
    & skf21("5","7","1","3","5","6","3","1") = "6"
    & skf21("5","7","1","3","5","6","4","1") = "6"
    & skf21("5","7","1","3","5","6","5","1") = "6"
    & skf21("5","7","1","3","5","6","6","1") = "6"
    & skf21("5","7","1","3","5","6","7","1") = "6"
    & skf21("5","7","1","3","5","7","1","1") = "6"
    & skf21("5","7","1","3","5","7","2","1") = "6"
    & skf21("5","7","1","3","5","7","3","1") = "6"
    & skf21("5","7","1","3","5","7","4","1") = "6"
    & skf21("5","7","1","3","5","7","5","1") = "6"
    & skf21("5","7","1","3","5","7","6","1") = "6"
    & skf21("5","7","1","3","5","7","7","1") = "6"
    & skf21("5","7","1","3","6","1","1","1") = "6"
    & skf21("5","7","1","3","6","1","2","1") = "6"
    & skf21("5","7","1","3","6","1","3","1") = "6"
    & skf21("5","7","1","3","6","1","4","1") = "6"
    & skf21("5","7","1","3","6","1","5","1") = "6"
    & skf21("5","7","1","3","6","1","6","1") = "6"
    & skf21("5","7","1","3","6","1","7","1") = "6"
    & skf21("5","7","1","3","6","2","1","1") = "6"
    & skf21("5","7","1","3","6","2","2","1") = "6"
    & skf21("5","7","1","3","6","2","3","1") = "6"
    & skf21("5","7","1","3","6","2","4","1") = "6"
    & skf21("5","7","1","3","6","2","5","1") = "6"
    & skf21("5","7","1","3","6","2","6","1") = "6"
    & skf21("5","7","1","3","6","2","7","1") = "6"
    & skf21("5","7","1","3","6","3","1","1") = "6"
    & skf21("5","7","1","3","6","3","2","1") = "6"
    & skf21("5","7","1","3","6","3","3","1") = "6"
    & skf21("5","7","1","3","6","3","4","1") = "6"
    & skf21("5","7","1","3","6","3","5","1") = "6"
    & skf21("5","7","1","3","6","3","6","1") = "6"
    & skf21("5","7","1","3","6","3","7","1") = "6"
    & skf21("5","7","1","3","6","4","1","1") = "6"
    & skf21("5","7","1","3","6","4","2","1") = "6"
    & skf21("5","7","1","3","6","4","3","1") = "6"
    & skf21("5","7","1","3","6","4","4","1") = "6"
    & skf21("5","7","1","3","6","4","5","1") = "6"
    & skf21("5","7","1","3","6","4","6","1") = "6"
    & skf21("5","7","1","3","6","4","7","1") = "6"
    & skf21("5","7","1","3","6","5","1","1") = "6"
    & skf21("5","7","1","3","6","5","2","1") = "6"
    & skf21("5","7","1","3","6","5","3","1") = "6"
    & skf21("5","7","1","3","6","5","4","1") = "6"
    & skf21("5","7","1","3","6","5","5","1") = "6"
    & skf21("5","7","1","3","6","5","6","1") = "6"
    & skf21("5","7","1","3","6","5","7","1") = "6"
    & skf21("5","7","1","3","6","6","1","1") = "6"
    & skf21("5","7","1","3","6","6","2","1") = "6"
    & skf21("5","7","1","3","6","6","3","1") = "6"
    & skf21("5","7","1","3","6","6","4","1") = "6"
    & skf21("5","7","1","3","6","6","5","1") = "6"
    & skf21("5","7","1","3","6","6","6","1") = "6"
    & skf21("5","7","1","3","6","6","7","1") = "6"
    & skf21("5","7","1","3","6","7","1","1") = "6"
    & skf21("5","7","1","3","6","7","2","1") = "6"
    & skf21("5","7","1","3","6","7","3","1") = "6"
    & skf21("5","7","1","3","6","7","4","1") = "6"
    & skf21("5","7","1","3","6","7","5","1") = "6"
    & skf21("5","7","1","3","6","7","6","1") = "6"
    & skf21("5","7","1","3","6","7","7","1") = "6"
    & skf21("5","7","1","3","7","1","1","1") = "6"
    & skf21("5","7","1","3","7","1","2","1") = "6"
    & skf21("5","7","1","3","7","1","3","1") = "6"
    & skf21("5","7","1","3","7","1","4","1") = "6"
    & skf21("5","7","1","3","7","1","5","1") = "6"
    & skf21("5","7","1","3","7","1","6","1") = "6"
    & skf21("5","7","1","3","7","1","7","1") = "6"
    & skf21("5","7","1","3","7","2","1","1") = "6"
    & skf21("5","7","1","3","7","2","2","1") = "6"
    & skf21("5","7","1","3","7","2","3","1") = "6"
    & skf21("5","7","1","3","7","2","4","1") = "6"
    & skf21("5","7","1","3","7","2","5","1") = "6"
    & skf21("5","7","1","3","7","2","6","1") = "6"
    & skf21("5","7","1","3","7","2","7","1") = "6"
    & skf21("5","7","1","3","7","3","1","1") = "6"
    & skf21("5","7","1","3","7","3","2","1") = "6"
    & skf21("5","7","1","3","7","3","3","1") = "6"
    & skf21("5","7","1","3","7","3","4","1") = "6"
    & skf21("5","7","1","3","7","3","5","1") = "6"
    & skf21("5","7","1","3","7","3","6","1") = "6"
    & skf21("5","7","1","3","7","3","7","1") = "6"
    & skf21("5","7","1","3","7","4","1","1") = "6"
    & skf21("5","7","1","3","7","4","2","1") = "6"
    & skf21("5","7","1","3","7","4","3","1") = "6"
    & skf21("5","7","1","3","7","4","4","1") = "6"
    & skf21("5","7","1","3","7","4","5","1") = "6"
    & skf21("5","7","1","3","7","4","6","1") = "6"
    & skf21("5","7","1","3","7","4","7","1") = "6"
    & skf21("5","7","1","3","7","5","1","1") = "6"
    & skf21("5","7","1","3","7","5","2","1") = "6"
    & skf21("5","7","1","3","7","5","3","1") = "6"
    & skf21("5","7","1","3","7","5","4","1") = "6"
    & skf21("5","7","1","3","7","5","5","1") = "6"
    & skf21("5","7","1","3","7","5","6","1") = "6"
    & skf21("5","7","1","3","7","5","7","1") = "6"
    & skf21("5","7","1","3","7","6","1","1") = "6"
    & skf21("5","7","1","3","7","6","2","1") = "6"
    & skf21("5","7","1","3","7","6","3","1") = "6"
    & skf21("5","7","1","3","7","6","4","1") = "6"
    & skf21("5","7","1","3","7","6","5","1") = "6"
    & skf21("5","7","1","3","7","6","6","1") = "6"
    & skf21("5","7","1","3","7","6","7","1") = "6"
    & skf21("5","7","1","3","7","7","1","1") = "6"
    & skf21("5","7","1","3","7","7","2","1") = "6"
    & skf21("5","7","1","3","7","7","3","1") = "6"
    & skf21("5","7","1","3","7","7","4","1") = "6"
    & skf21("5","7","1","3","7","7","5","1") = "6"
    & skf21("5","7","1","3","7","7","6","1") = "6"
    & skf21("5","7","1","3","7","7","7","1") = "6"
    & skf21("5","7","1","4","1","1","1","1") = "6"
    & skf21("5","7","1","4","1","1","2","1") = "6"
    & skf21("5","7","1","4","1","1","3","1") = "6"
    & skf21("5","7","1","4","1","1","4","1") = "6"
    & skf21("5","7","1","4","1","1","5","1") = "6"
    & skf21("5","7","1","4","1","1","6","1") = "6"
    & skf21("5","7","1","4","1","1","7","1") = "6"
    & skf21("5","7","1","4","1","2","1","1") = "6"
    & skf21("5","7","1","4","1","2","2","1") = "6"
    & skf21("5","7","1","4","1","2","3","1") = "6"
    & skf21("5","7","1","4","1","2","4","1") = "6"
    & skf21("5","7","1","4","1","2","5","1") = "6"
    & skf21("5","7","1","4","1","2","6","1") = "6"
    & skf21("5","7","1","4","1","2","7","1") = "6"
    & skf21("5","7","1","4","1","3","1","1") = "6"
    & skf21("5","7","1","4","1","3","2","1") = "6"
    & skf21("5","7","1","4","1","3","3","1") = "6"
    & skf21("5","7","1","4","1","3","4","1") = "6"
    & skf21("5","7","1","4","1","3","5","1") = "6"
    & skf21("5","7","1","4","1","3","6","1") = "6"
    & skf21("5","7","1","4","1","3","7","1") = "6"
    & skf21("5","7","1","4","1","4","1","1") = "6"
    & skf21("5","7","1","4","1","4","2","1") = "6"
    & skf21("5","7","1","4","1","4","3","1") = "6"
    & skf21("5","7","1","4","1","4","4","1") = "6"
    & skf21("5","7","1","4","1","4","5","1") = "6"
    & skf21("5","7","1","4","1","4","6","1") = "6"
    & skf21("5","7","1","4","1","4","7","1") = "6"
    & skf21("5","7","1","4","1","5","1","1") = "6"
    & skf21("5","7","1","4","1","5","2","1") = "6"
    & skf21("5","7","1","4","1","5","3","1") = "6"
    & skf21("5","7","1","4","1","5","4","1") = "6"
    & skf21("5","7","1","4","1","5","5","1") = "6"
    & skf21("5","7","1","4","1","5","6","1") = "6"
    & skf21("5","7","1","4","1","5","7","1") = "6"
    & skf21("5","7","1","4","1","6","1","1") = "6"
    & skf21("5","7","1","4","1","6","2","1") = "6"
    & skf21("5","7","1","4","1","6","3","1") = "6"
    & skf21("5","7","1","4","1","6","4","1") = "6"
    & skf21("5","7","1","4","1","6","5","1") = "6"
    & skf21("5","7","1","4","1","6","6","1") = "6"
    & skf21("5","7","1","4","1","6","7","1") = "6"
    & skf21("5","7","1","4","1","7","1","1") = "6"
    & skf21("5","7","1","4","1","7","2","1") = "6"
    & skf21("5","7","1","4","1","7","3","1") = "6"
    & skf21("5","7","1","4","1","7","4","1") = "6"
    & skf21("5","7","1","4","1","7","5","1") = "6"
    & skf21("5","7","1","4","1","7","6","1") = "6"
    & skf21("5","7","1","4","1","7","7","1") = "6"
    & skf21("5","7","1","4","2","1","1","1") = "6"
    & skf21("5","7","1","4","2","1","2","1") = "6"
    & skf21("5","7","1","4","2","1","3","1") = "6"
    & skf21("5","7","1","4","2","1","4","1") = "6"
    & skf21("5","7","1","4","2","1","5","1") = "6"
    & skf21("5","7","1","4","2","1","6","1") = "6"
    & skf21("5","7","1","4","2","1","7","1") = "6"
    & skf21("5","7","1","4","2","2","1","1") = "6"
    & skf21("5","7","1","4","2","2","2","1") = "6"
    & skf21("5","7","1","4","2","2","3","1") = "6"
    & skf21("5","7","1","4","2","2","4","1") = "6"
    & skf21("5","7","1","4","2","2","5","1") = "6"
    & skf21("5","7","1","4","2","2","6","1") = "6"
    & skf21("5","7","1","4","2","2","7","1") = "6"
    & skf21("5","7","1","4","2","3","1","1") = "6"
    & skf21("5","7","1","4","2","3","2","1") = "6"
    & skf21("5","7","1","4","2","3","3","1") = "6"
    & skf21("5","7","1","4","2","3","4","1") = "6"
    & skf21("5","7","1","4","2","3","5","1") = "6"
    & skf21("5","7","1","4","2","3","6","1") = "6"
    & skf21("5","7","1","4","2","3","7","1") = "6"
    & skf21("5","7","1","4","2","4","1","1") = "6"
    & skf21("5","7","1","4","2","4","2","1") = "6"
    & skf21("5","7","1","4","2","4","3","1") = "6"
    & skf21("5","7","1","4","2","4","4","1") = "6"
    & skf21("5","7","1","4","2","4","5","1") = "6"
    & skf21("5","7","1","4","2","4","6","1") = "6"
    & skf21("5","7","1","4","2","4","7","1") = "6"
    & skf21("5","7","1","4","2","5","1","1") = "6"
    & skf21("5","7","1","4","2","5","2","1") = "6"
    & skf21("5","7","1","4","2","5","3","1") = "6"
    & skf21("5","7","1","4","2","5","4","1") = "6"
    & skf21("5","7","1","4","2","5","5","1") = "6"
    & skf21("5","7","1","4","2","5","6","1") = "6"
    & skf21("5","7","1","4","2","5","7","1") = "6"
    & skf21("5","7","1","4","2","6","1","1") = "6"
    & skf21("5","7","1","4","2","6","2","1") = "6"
    & skf21("5","7","1","4","2","6","3","1") = "6"
    & skf21("5","7","1","4","2","6","4","1") = "6"
    & skf21("5","7","1","4","2","6","5","1") = "6"
    & skf21("5","7","1","4","2","6","6","1") = "6"
    & skf21("5","7","1","4","2","6","7","1") = "6"
    & skf21("5","7","1","4","2","7","1","1") = "6"
    & skf21("5","7","1","4","2","7","2","1") = "6"
    & skf21("5","7","1","4","2","7","3","1") = "6"
    & skf21("5","7","1","4","2","7","4","1") = "6"
    & skf21("5","7","1","4","2","7","5","1") = "6"
    & skf21("5","7","1","4","2","7","6","1") = "6"
    & skf21("5","7","1","4","2","7","7","1") = "6"
    & skf21("5","7","1","4","3","1","1","1") = "6"
    & skf21("5","7","1","4","3","1","2","1") = "6"
    & skf21("5","7","1","4","3","1","3","1") = "6"
    & skf21("5","7","1","4","3","1","4","1") = "6"
    & skf21("5","7","1","4","3","1","5","1") = "6"
    & skf21("5","7","1","4","3","1","6","1") = "6"
    & skf21("5","7","1","4","3","1","7","1") = "6"
    & skf21("5","7","1","4","3","2","1","1") = "6"
    & skf21("5","7","1","4","3","2","2","1") = "6"
    & skf21("5","7","1","4","3","2","3","1") = "6"
    & skf21("5","7","1","4","3","2","4","1") = "6"
    & skf21("5","7","1","4","3","2","5","1") = "6"
    & skf21("5","7","1","4","3","2","6","1") = "6"
    & skf21("5","7","1","4","3","2","7","1") = "6"
    & skf21("5","7","1","4","3","3","1","1") = "6"
    & skf21("5","7","1","4","3","3","2","1") = "6"
    & skf21("5","7","1","4","3","3","3","1") = "6"
    & skf21("5","7","1","4","3","3","4","1") = "6"
    & skf21("5","7","1","4","3","3","5","1") = "6"
    & skf21("5","7","1","4","3","3","6","1") = "6"
    & skf21("5","7","1","4","3","3","7","1") = "6"
    & skf21("5","7","1","4","3","4","1","1") = "6"
    & skf21("5","7","1","4","3","4","2","1") = "6"
    & skf21("5","7","1","4","3","4","3","1") = "6"
    & skf21("5","7","1","4","3","4","4","1") = "6"
    & skf21("5","7","1","4","3","4","5","1") = "6"
    & skf21("5","7","1","4","3","4","6","1") = "6"
    & skf21("5","7","1","4","3","4","7","1") = "6"
    & skf21("5","7","1","4","3","5","1","1") = "6"
    & skf21("5","7","1","4","3","5","2","1") = "6"
    & skf21("5","7","1","4","3","5","3","1") = "6"
    & skf21("5","7","1","4","3","5","4","1") = "6"
    & skf21("5","7","1","4","3","5","5","1") = "6"
    & skf21("5","7","1","4","3","5","6","1") = "6"
    & skf21("5","7","1","4","3","5","7","1") = "6"
    & skf21("5","7","1","4","3","6","1","1") = "6"
    & skf21("5","7","1","4","3","6","2","1") = "6"
    & skf21("5","7","1","4","3","6","3","1") = "6"
    & skf21("5","7","1","4","3","6","4","1") = "6"
    & skf21("5","7","1","4","3","6","5","1") = "6"
    & skf21("5","7","1","4","3","6","6","1") = "6"
    & skf21("5","7","1","4","3","6","7","1") = "6"
    & skf21("5","7","1","4","3","7","1","1") = "6"
    & skf21("5","7","1","4","3","7","2","1") = "6"
    & skf21("5","7","1","4","3","7","3","1") = "6"
    & skf21("5","7","1","4","3","7","4","1") = "6"
    & skf21("5","7","1","4","3","7","5","1") = "6"
    & skf21("5","7","1","4","3","7","6","1") = "6"
    & skf21("5","7","1","4","3","7","7","1") = "6"
    & skf21("5","7","1","4","4","1","1","1") = "6"
    & skf21("5","7","1","4","4","1","2","1") = "6"
    & skf21("5","7","1","4","4","1","3","1") = "6"
    & skf21("5","7","1","4","4","1","4","1") = "6"
    & skf21("5","7","1","4","4","1","5","1") = "6"
    & skf21("5","7","1","4","4","1","6","1") = "6"
    & skf21("5","7","1","4","4","1","7","1") = "6"
    & skf21("5","7","1","4","4","2","1","1") = "6"
    & skf21("5","7","1","4","4","2","2","1") = "6"
    & skf21("5","7","1","4","4","2","3","1") = "6"
    & skf21("5","7","1","4","4","2","4","1") = "6"
    & skf21("5","7","1","4","4","2","5","1") = "6"
    & skf21("5","7","1","4","4","2","6","1") = "6"
    & skf21("5","7","1","4","4","2","7","1") = "6"
    & skf21("5","7","1","4","4","3","1","1") = "6"
    & skf21("5","7","1","4","4","3","2","1") = "6"
    & skf21("5","7","1","4","4","3","3","1") = "6"
    & skf21("5","7","1","4","4","3","4","1") = "6"
    & skf21("5","7","1","4","4","3","5","1") = "6"
    & skf21("5","7","1","4","4","3","6","1") = "6"
    & skf21("5","7","1","4","4","3","7","1") = "6"
    & skf21("5","7","1","4","4","4","1","1") = "6"
    & skf21("5","7","1","4","4","4","2","1") = "6"
    & skf21("5","7","1","4","4","4","3","1") = "6"
    & skf21("5","7","1","4","4","4","4","1") = "6"
    & skf21("5","7","1","4","4","4","5","1") = "6"
    & skf21("5","7","1","4","4","4","6","1") = "6"
    & skf21("5","7","1","4","4","4","7","1") = "6"
    & skf21("5","7","1","4","4","5","1","1") = "6"
    & skf21("5","7","1","4","4","5","2","1") = "6"
    & skf21("5","7","1","4","4","5","3","1") = "6"
    & skf21("5","7","1","4","4","5","4","1") = "6"
    & skf21("5","7","1","4","4","5","5","1") = "6"
    & skf21("5","7","1","4","4","5","6","1") = "6"
    & skf21("5","7","1","4","4","5","7","1") = "6"
    & skf21("5","7","1","4","4","6","1","1") = "6"
    & skf21("5","7","1","4","4","6","2","1") = "6"
    & skf21("5","7","1","4","4","6","3","1") = "6"
    & skf21("5","7","1","4","4","6","4","1") = "6"
    & skf21("5","7","1","4","4","6","5","1") = "6"
    & skf21("5","7","1","4","4","6","6","1") = "6"
    & skf21("5","7","1","4","4","6","7","1") = "6"
    & skf21("5","7","1","4","4","7","1","1") = "6"
    & skf21("5","7","1","4","4","7","2","1") = "6"
    & skf21("5","7","1","4","4","7","3","1") = "6"
    & skf21("5","7","1","4","4","7","4","1") = "6"
    & skf21("5","7","1","4","4","7","5","1") = "6"
    & skf21("5","7","1","4","4","7","6","1") = "6"
    & skf21("5","7","1","4","4","7","7","1") = "6"
    & skf21("5","7","1","4","5","1","1","1") = "6"
    & skf21("5","7","1","4","5","1","2","1") = "6"
    & skf21("5","7","1","4","5","1","3","1") = "6"
    & skf21("5","7","1","4","5","1","4","1") = "6"
    & skf21("5","7","1","4","5","1","5","1") = "6"
    & skf21("5","7","1","4","5","1","6","1") = "6"
    & skf21("5","7","1","4","5","1","7","1") = "6"
    & skf21("5","7","1","4","5","2","1","1") = "6"
    & skf21("5","7","1","4","5","2","2","1") = "6"
    & skf21("5","7","1","4","5","2","3","1") = "6"
    & skf21("5","7","1","4","5","2","4","1") = "6"
    & skf21("5","7","1","4","5","2","5","1") = "6"
    & skf21("5","7","1","4","5","2","6","1") = "6"
    & skf21("5","7","1","4","5","2","7","1") = "6"
    & skf21("5","7","1","4","5","3","1","1") = "6"
    & skf21("5","7","1","4","5","3","2","1") = "6"
    & skf21("5","7","1","4","5","3","3","1") = "6"
    & skf21("5","7","1","4","5","3","4","1") = "6"
    & skf21("5","7","1","4","5","3","5","1") = "6"
    & skf21("5","7","1","4","5","3","6","1") = "6"
    & skf21("5","7","1","4","5","3","7","1") = "6"
    & skf21("5","7","1","4","5","4","1","1") = "6"
    & skf21("5","7","1","4","5","4","2","1") = "6"
    & skf21("5","7","1","4","5","4","3","1") = "6"
    & skf21("5","7","1","4","5","4","4","1") = "6"
    & skf21("5","7","1","4","5","4","5","1") = "6"
    & skf21("5","7","1","4","5","4","6","1") = "6"
    & skf21("5","7","1","4","5","4","7","1") = "6"
    & skf21("5","7","1","4","5","5","1","1") = "6"
    & skf21("5","7","1","4","5","5","2","1") = "6"
    & skf21("5","7","1","4","5","5","3","1") = "6"
    & skf21("5","7","1","4","5","5","4","1") = "6"
    & skf21("5","7","1","4","5","5","5","1") = "6"
    & skf21("5","7","1","4","5","5","6","1") = "6"
    & skf21("5","7","1","4","5","5","7","1") = "6"
    & skf21("5","7","1","4","5","6","1","1") = "6"
    & skf21("5","7","1","4","5","6","2","1") = "6"
    & skf21("5","7","1","4","5","6","3","1") = "6"
    & skf21("5","7","1","4","5","6","4","1") = "6"
    & skf21("5","7","1","4","5","6","5","1") = "6"
    & skf21("5","7","1","4","5","6","6","1") = "6"
    & skf21("5","7","1","4","5","6","7","1") = "6"
    & skf21("5","7","1","4","5","7","1","1") = "6"
    & skf21("5","7","1","4","5","7","2","1") = "6"
    & skf21("5","7","1","4","5","7","3","1") = "6"
    & skf21("5","7","1","4","5","7","4","1") = "6"
    & skf21("5","7","1","4","5","7","5","1") = "6"
    & skf21("5","7","1","4","5","7","6","1") = "6"
    & skf21("5","7","1","4","5","7","7","1") = "6"
    & skf21("5","7","1","4","6","1","1","1") = "6"
    & skf21("5","7","1","4","6","1","2","1") = "6"
    & skf21("5","7","1","4","6","1","3","1") = "6"
    & skf21("5","7","1","4","6","1","4","1") = "6"
    & skf21("5","7","1","4","6","1","5","1") = "6"
    & skf21("5","7","1","4","6","1","6","1") = "6"
    & skf21("5","7","1","4","6","1","7","1") = "6"
    & skf21("5","7","1","4","6","2","1","1") = "6"
    & skf21("5","7","1","4","6","2","2","1") = "6"
    & skf21("5","7","1","4","6","2","3","1") = "6"
    & skf21("5","7","1","4","6","2","4","1") = "6"
    & skf21("5","7","1","4","6","2","5","1") = "6"
    & skf21("5","7","1","4","6","2","6","1") = "6"
    & skf21("5","7","1","4","6","2","7","1") = "6"
    & skf21("5","7","1","4","6","3","1","1") = "6"
    & skf21("5","7","1","4","6","3","2","1") = "6"
    & skf21("5","7","1","4","6","3","3","1") = "6"
    & skf21("5","7","1","4","6","3","4","1") = "6"
    & skf21("5","7","1","4","6","3","5","1") = "6"
    & skf21("5","7","1","4","6","3","6","1") = "6"
    & skf21("5","7","1","4","6","3","7","1") = "6"
    & skf21("5","7","1","4","6","4","1","1") = "6"
    & skf21("5","7","1","4","6","4","2","1") = "6"
    & skf21("5","7","1","4","6","4","3","1") = "6"
    & skf21("5","7","1","4","6","4","4","1") = "6"
    & skf21("5","7","1","4","6","4","5","1") = "6"
    & skf21("5","7","1","4","6","4","6","1") = "6"
    & skf21("5","7","1","4","6","4","7","1") = "6"
    & skf21("5","7","1","4","6","5","1","1") = "6"
    & skf21("5","7","1","4","6","5","2","1") = "6"
    & skf21("5","7","1","4","6","5","3","1") = "6"
    & skf21("5","7","1","4","6","5","4","1") = "6"
    & skf21("5","7","1","4","6","5","5","1") = "6"
    & skf21("5","7","1","4","6","5","6","1") = "6"
    & skf21("5","7","1","4","6","5","7","1") = "6"
    & skf21("5","7","1","4","6","6","1","1") = "6"
    & skf21("5","7","1","4","6","6","2","1") = "6"
    & skf21("5","7","1","4","6","6","3","1") = "6"
    & skf21("5","7","1","4","6","6","4","1") = "6"
    & skf21("5","7","1","4","6","6","5","1") = "6"
    & skf21("5","7","1","4","6","6","6","1") = "6"
    & skf21("5","7","1","4","6","6","7","1") = "6"
    & skf21("5","7","1","4","6","7","1","1") = "6"
    & skf21("5","7","1","4","6","7","2","1") = "6"
    & skf21("5","7","1","4","6","7","3","1") = "6"
    & skf21("5","7","1","4","6","7","4","1") = "6"
    & skf21("5","7","1","4","6","7","5","1") = "6"
    & skf21("5","7","1","4","6","7","6","1") = "6"
    & skf21("5","7","1","4","6","7","7","1") = "6"
    & skf21("5","7","1","4","7","1","1","1") = "6"
    & skf21("5","7","1","4","7","1","2","1") = "6"
    & skf21("5","7","1","4","7","1","3","1") = "6"
    & skf21("5","7","1","4","7","1","4","1") = "6"
    & skf21("5","7","1","4","7","1","5","1") = "6"
    & skf21("5","7","1","4","7","1","6","1") = "6"
    & skf21("5","7","1","4","7","1","7","1") = "6"
    & skf21("5","7","1","4","7","2","1","1") = "6"
    & skf21("5","7","1","4","7","2","2","1") = "6"
    & skf21("5","7","1","4","7","2","3","1") = "6"
    & skf21("5","7","1","4","7","2","4","1") = "6"
    & skf21("5","7","1","4","7","2","5","1") = "6"
    & skf21("5","7","1","4","7","2","6","1") = "6"
    & skf21("5","7","1","4","7","2","7","1") = "6"
    & skf21("5","7","1","4","7","3","1","1") = "6"
    & skf21("5","7","1","4","7","3","2","1") = "6"
    & skf21("5","7","1","4","7","3","3","1") = "6"
    & skf21("5","7","1","4","7","3","4","1") = "6"
    & skf21("5","7","1","4","7","3","5","1") = "6"
    & skf21("5","7","1","4","7","3","6","1") = "6"
    & skf21("5","7","1","4","7","3","7","1") = "6"
    & skf21("5","7","1","4","7","4","1","1") = "6"
    & skf21("5","7","1","4","7","4","2","1") = "6"
    & skf21("5","7","1","4","7","4","3","1") = "6"
    & skf21("5","7","1","4","7","4","4","1") = "6"
    & skf21("5","7","1","4","7","4","5","1") = "6"
    & skf21("5","7","1","4","7","4","6","1") = "6"
    & skf21("5","7","1","4","7","4","7","1") = "6"
    & skf21("5","7","1","4","7","5","1","1") = "6"
    & skf21("5","7","1","4","7","5","2","1") = "6"
    & skf21("5","7","1","4","7","5","3","1") = "6"
    & skf21("5","7","1","4","7","5","4","1") = "6"
    & skf21("5","7","1","4","7","5","5","1") = "6"
    & skf21("5","7","1","4","7","5","6","1") = "6"
    & skf21("5","7","1","4","7","5","7","1") = "6"
    & skf21("5","7","1","4","7","6","1","1") = "6"
    & skf21("5","7","1","4","7","6","2","1") = "6"
    & skf21("5","7","1","4","7","6","3","1") = "6"
    & skf21("5","7","1","4","7","6","4","1") = "6"
    & skf21("5","7","1","4","7","6","5","1") = "6"
    & skf21("5","7","1","4","7","6","6","1") = "6"
    & skf21("5","7","1","4","7","6","7","1") = "6"
    & skf21("5","7","1","4","7","7","1","1") = "6"
    & skf21("5","7","1","4","7","7","2","1") = "6"
    & skf21("5","7","1","4","7","7","3","1") = "6"
    & skf21("5","7","1","4","7","7","4","1") = "6"
    & skf21("5","7","1","4","7","7","5","1") = "6"
    & skf21("5","7","1","4","7","7","6","1") = "6"
    & skf21("5","7","1","4","7","7","7","1") = "6"
    & skf21("5","7","1","5","1","1","1","1") = "6"
    & skf21("5","7","1","5","1","1","2","1") = "6"
    & skf21("5","7","1","5","1","1","3","1") = "6"
    & skf21("5","7","1","5","1","1","4","1") = "6"
    & skf21("5","7","1","5","1","1","5","1") = "6"
    & skf21("5","7","1","5","1","1","6","1") = "6"
    & skf21("5","7","1","5","1","1","7","1") = "6"
    & skf21("5","7","1","5","1","2","1","1") = "6"
    & skf21("5","7","1","5","1","2","2","1") = "6"
    & skf21("5","7","1","5","1","2","3","1") = "6"
    & skf21("5","7","1","5","1","2","4","1") = "6"
    & skf21("5","7","1","5","1","2","5","1") = "6"
    & skf21("5","7","1","5","1","2","6","1") = "6"
    & skf21("5","7","1","5","1","2","7","1") = "6"
    & skf21("5","7","1","5","1","3","1","1") = "6"
    & skf21("5","7","1","5","1","3","2","1") = "6"
    & skf21("5","7","1","5","1","3","3","1") = "6"
    & skf21("5","7","1","5","1","3","4","1") = "6"
    & skf21("5","7","1","5","1","3","5","1") = "6"
    & skf21("5","7","1","5","1","3","6","1") = "6"
    & skf21("5","7","1","5","1","3","7","1") = "6"
    & skf21("5","7","1","5","1","4","1","1") = "6"
    & skf21("5","7","1","5","1","4","2","1") = "6"
    & skf21("5","7","1","5","1","4","3","1") = "6"
    & skf21("5","7","1","5","1","4","4","1") = "6"
    & skf21("5","7","1","5","1","4","5","1") = "6"
    & skf21("5","7","1","5","1","4","6","1") = "6"
    & skf21("5","7","1","5","1","4","7","1") = "6"
    & skf21("5","7","1","5","1","5","1","1") = "6"
    & skf21("5","7","1","5","1","5","2","1") = "6"
    & skf21("5","7","1","5","1","5","3","1") = "6"
    & skf21("5","7","1","5","1","5","4","1") = "6"
    & skf21("5","7","1","5","1","5","5","1") = "6"
    & skf21("5","7","1","5","1","5","6","1") = "6"
    & skf21("5","7","1","5","1","5","7","1") = "6"
    & skf21("5","7","1","5","1","6","1","1") = "6"
    & skf21("5","7","1","5","1","6","2","1") = "6"
    & skf21("5","7","1","5","1","6","3","1") = "6"
    & skf21("5","7","1","5","1","6","4","1") = "6"
    & skf21("5","7","1","5","1","6","5","1") = "6"
    & skf21("5","7","1","5","1","6","6","1") = "6"
    & skf21("5","7","1","5","1","6","7","1") = "6"
    & skf21("5","7","1","5","1","7","1","1") = "6"
    & skf21("5","7","1","5","1","7","2","1") = "6"
    & skf21("5","7","1","5","1","7","3","1") = "6"
    & skf21("5","7","1","5","1","7","4","1") = "6"
    & skf21("5","7","1","5","1","7","5","1") = "6"
    & skf21("5","7","1","5","1","7","6","1") = "6"
    & skf21("5","7","1","5","1","7","7","1") = "6"
    & skf21("5","7","1","5","2","1","1","1") = "6"
    & skf21("5","7","1","5","2","1","2","1") = "6"
    & skf21("5","7","1","5","2","1","3","1") = "6"
    & skf21("5","7","1","5","2","1","4","1") = "6"
    & skf21("5","7","1","5","2","1","5","1") = "6"
    & skf21("5","7","1","5","2","1","6","1") = "6"
    & skf21("5","7","1","5","2","1","7","1") = "6"
    & skf21("5","7","1","5","2","2","1","1") = "6"
    & skf21("5","7","1","5","2","2","2","1") = "6"
    & skf21("5","7","1","5","2","2","3","1") = "6"
    & skf21("5","7","1","5","2","2","4","1") = "6"
    & skf21("5","7","1","5","2","2","5","1") = "6"
    & skf21("5","7","1","5","2","2","6","1") = "6"
    & skf21("5","7","1","5","2","2","7","1") = "6"
    & skf21("5","7","1","5","2","3","1","1") = "6"
    & skf21("5","7","1","5","2","3","2","1") = "6"
    & skf21("5","7","1","5","2","3","3","1") = "6"
    & skf21("5","7","1","5","2","3","4","1") = "6"
    & skf21("5","7","1","5","2","3","5","1") = "6"
    & skf21("5","7","1","5","2","3","6","1") = "6"
    & skf21("5","7","1","5","2","3","7","1") = "6"
    & skf21("5","7","1","5","2","4","1","1") = "6"
    & skf21("5","7","1","5","2","4","2","1") = "6"
    & skf21("5","7","1","5","2","4","3","1") = "6"
    & skf21("5","7","1","5","2","4","4","1") = "6"
    & skf21("5","7","1","5","2","4","5","1") = "6"
    & skf21("5","7","1","5","2","4","6","1") = "6"
    & skf21("5","7","1","5","2","4","7","1") = "6"
    & skf21("5","7","1","5","2","5","1","1") = "6"
    & skf21("5","7","1","5","2","5","2","1") = "6"
    & skf21("5","7","1","5","2","5","3","1") = "6"
    & skf21("5","7","1","5","2","5","4","1") = "6"
    & skf21("5","7","1","5","2","5","5","1") = "6"
    & skf21("5","7","1","5","2","5","6","1") = "6"
    & skf21("5","7","1","5","2","5","7","1") = "6"
    & skf21("5","7","1","5","2","6","1","1") = "6"
    & skf21("5","7","1","5","2","6","2","1") = "6"
    & skf21("5","7","1","5","2","6","3","1") = "6"
    & skf21("5","7","1","5","2","6","4","1") = "6"
    & skf21("5","7","1","5","2","6","5","1") = "6"
    & skf21("5","7","1","5","2","6","6","1") = "6"
    & skf21("5","7","1","5","2","6","7","1") = "6"
    & skf21("5","7","1","5","2","7","1","1") = "6"
    & skf21("5","7","1","5","2","7","2","1") = "6"
    & skf21("5","7","1","5","2","7","3","1") = "6"
    & skf21("5","7","1","5","2","7","4","1") = "6"
    & skf21("5","7","1","5","2","7","5","1") = "6"
    & skf21("5","7","1","5","2","7","6","1") = "6"
    & skf21("5","7","1","5","2","7","7","1") = "6"
    & skf21("5","7","1","5","3","1","1","1") = "6"
    & skf21("5","7","1","5","3","1","2","1") = "6"
    & skf21("5","7","1","5","3","1","3","1") = "6"
    & skf21("5","7","1","5","3","1","4","1") = "6"
    & skf21("5","7","1","5","3","1","5","1") = "6"
    & skf21("5","7","1","5","3","1","6","1") = "6"
    & skf21("5","7","1","5","3","1","7","1") = "6"
    & skf21("5","7","1","5","3","2","1","1") = "6"
    & skf21("5","7","1","5","3","2","2","1") = "6"
    & skf21("5","7","1","5","3","2","3","1") = "6"
    & skf21("5","7","1","5","3","2","4","1") = "6"
    & skf21("5","7","1","5","3","2","5","1") = "6"
    & skf21("5","7","1","5","3","2","6","1") = "6"
    & skf21("5","7","1","5","3","2","7","1") = "6"
    & skf21("5","7","1","5","3","3","1","1") = "6"
    & skf21("5","7","1","5","3","3","2","1") = "6"
    & skf21("5","7","1","5","3","3","3","1") = "6"
    & skf21("5","7","1","5","3","3","4","1") = "6"
    & skf21("5","7","1","5","3","3","5","1") = "6"
    & skf21("5","7","1","5","3","3","6","1") = "6"
    & skf21("5","7","1","5","3","3","7","1") = "6"
    & skf21("5","7","1","5","3","4","1","1") = "6"
    & skf21("5","7","1","5","3","4","2","1") = "6"
    & skf21("5","7","1","5","3","4","3","1") = "6"
    & skf21("5","7","1","5","3","4","4","1") = "6"
    & skf21("5","7","1","5","3","4","5","1") = "6"
    & skf21("5","7","1","5","3","4","6","1") = "6"
    & skf21("5","7","1","5","3","4","7","1") = "6"
    & skf21("5","7","1","5","3","5","1","1") = "6"
    & skf21("5","7","1","5","3","5","2","1") = "6"
    & skf21("5","7","1","5","3","5","3","1") = "6"
    & skf21("5","7","1","5","3","5","4","1") = "6"
    & skf21("5","7","1","5","3","5","5","1") = "6"
    & skf21("5","7","1","5","3","5","6","1") = "6"
    & skf21("5","7","1","5","3","5","7","1") = "6"
    & skf21("5","7","1","5","3","6","1","1") = "6"
    & skf21("5","7","1","5","3","6","2","1") = "6"
    & skf21("5","7","1","5","3","6","3","1") = "6"
    & skf21("5","7","1","5","3","6","4","1") = "6"
    & skf21("5","7","1","5","3","6","5","1") = "6"
    & skf21("5","7","1","5","3","6","6","1") = "6"
    & skf21("5","7","1","5","3","6","7","1") = "6"
    & skf21("5","7","1","5","3","7","1","1") = "6"
    & skf21("5","7","1","5","3","7","2","1") = "6"
    & skf21("5","7","1","5","3","7","3","1") = "6"
    & skf21("5","7","1","5","3","7","4","1") = "6"
    & skf21("5","7","1","5","3","7","5","1") = "6"
    & skf21("5","7","1","5","3","7","6","1") = "6"
    & skf21("5","7","1","5","3","7","7","1") = "6"
    & skf21("5","7","1","5","4","1","1","1") = "6"
    & skf21("5","7","1","5","4","1","2","1") = "6"
    & skf21("5","7","1","5","4","1","3","1") = "6"
    & skf21("5","7","1","5","4","1","4","1") = "6"
    & skf21("5","7","1","5","4","1","5","1") = "6"
    & skf21("5","7","1","5","4","1","6","1") = "6"
    & skf21("5","7","1","5","4","1","7","1") = "6"
    & skf21("5","7","1","5","4","2","1","1") = "6"
    & skf21("5","7","1","5","4","2","2","1") = "6"
    & skf21("5","7","1","5","4","2","3","1") = "6"
    & skf21("5","7","1","5","4","2","4","1") = "6"
    & skf21("5","7","1","5","4","2","5","1") = "6"
    & skf21("5","7","1","5","4","2","6","1") = "6"
    & skf21("5","7","1","5","4","2","7","1") = "6"
    & skf21("5","7","1","5","4","3","1","1") = "6"
    & skf21("5","7","1","5","4","3","2","1") = "6"
    & skf21("5","7","1","5","4","3","3","1") = "6"
    & skf21("5","7","1","5","4","3","4","1") = "6"
    & skf21("5","7","1","5","4","3","5","1") = "6"
    & skf21("5","7","1","5","4","3","6","1") = "6"
    & skf21("5","7","1","5","4","3","7","1") = "6"
    & skf21("5","7","1","5","4","4","1","1") = "6"
    & skf21("5","7","1","5","4","4","2","1") = "6"
    & skf21("5","7","1","5","4","4","3","1") = "6"
    & skf21("5","7","1","5","4","4","4","1") = "6"
    & skf21("5","7","1","5","4","4","5","1") = "6"
    & skf21("5","7","1","5","4","4","6","1") = "6"
    & skf21("5","7","1","5","4","4","7","1") = "6"
    & skf21("5","7","1","5","4","5","1","1") = "6"
    & skf21("5","7","1","5","4","5","2","1") = "6"
    & skf21("5","7","1","5","4","5","3","1") = "6"
    & skf21("5","7","1","5","4","5","4","1") = "6"
    & skf21("5","7","1","5","4","5","5","1") = "6"
    & skf21("5","7","1","5","4","5","6","1") = "6"
    & skf21("5","7","1","5","4","5","7","1") = "6"
    & skf21("5","7","1","5","4","6","1","1") = "6"
    & skf21("5","7","1","5","4","6","2","1") = "6"
    & skf21("5","7","1","5","4","6","3","1") = "6"
    & skf21("5","7","1","5","4","6","4","1") = "6"
    & skf21("5","7","1","5","4","6","5","1") = "6"
    & skf21("5","7","1","5","4","6","6","1") = "6"
    & skf21("5","7","1","5","4","6","7","1") = "6"
    & skf21("5","7","1","5","4","7","1","1") = "6"
    & skf21("5","7","1","5","4","7","2","1") = "6"
    & skf21("5","7","1","5","4","7","3","1") = "6"
    & skf21("5","7","1","5","4","7","4","1") = "6"
    & skf21("5","7","1","5","4","7","5","1") = "6"
    & skf21("5","7","1","5","4","7","6","1") = "6"
    & skf21("5","7","1","5","4","7","7","1") = "6"
    & skf21("5","7","1","5","5","1","1","1") = "6"
    & skf21("5","7","1","5","5","1","2","1") = "6"
    & skf21("5","7","1","5","5","1","3","1") = "6"
    & skf21("5","7","1","5","5","1","4","1") = "6"
    & skf21("5","7","1","5","5","1","5","1") = "6"
    & skf21("5","7","1","5","5","1","6","1") = "6"
    & skf21("5","7","1","5","5","1","7","1") = "6"
    & skf21("5","7","1","5","5","2","1","1") = "6"
    & skf21("5","7","1","5","5","2","2","1") = "6"
    & skf21("5","7","1","5","5","2","3","1") = "6"
    & skf21("5","7","1","5","5","2","4","1") = "6"
    & skf21("5","7","1","5","5","2","5","1") = "6"
    & skf21("5","7","1","5","5","2","6","1") = "6"
    & skf21("5","7","1","5","5","2","7","1") = "6"
    & skf21("5","7","1","5","5","3","1","1") = "6"
    & skf21("5","7","1","5","5","3","2","1") = "6"
    & skf21("5","7","1","5","5","3","3","1") = "6"
    & skf21("5","7","1","5","5","3","4","1") = "6"
    & skf21("5","7","1","5","5","3","5","1") = "6"
    & skf21("5","7","1","5","5","3","6","1") = "6"
    & skf21("5","7","1","5","5","3","7","1") = "6"
    & skf21("5","7","1","5","5","4","1","1") = "6"
    & skf21("5","7","1","5","5","4","2","1") = "6"
    & skf21("5","7","1","5","5","4","3","1") = "6"
    & skf21("5","7","1","5","5","4","4","1") = "6"
    & skf21("5","7","1","5","5","4","5","1") = "6"
    & skf21("5","7","1","5","5","4","6","1") = "6"
    & skf21("5","7","1","5","5","4","7","1") = "6"
    & skf21("5","7","1","5","5","5","1","1") = "6"
    & skf21("5","7","1","5","5","5","2","1") = "6"
    & skf21("5","7","1","5","5","5","3","1") = "6"
    & skf21("5","7","1","5","5","5","4","1") = "6"
    & skf21("5","7","1","5","5","5","5","1") = "6"
    & skf21("5","7","1","5","5","5","6","1") = "6"
    & skf21("5","7","1","5","5","5","7","1") = "6"
    & skf21("5","7","1","5","5","6","1","1") = "6"
    & skf21("5","7","1","5","5","6","2","1") = "6"
    & skf21("5","7","1","5","5","6","3","1") = "6"
    & skf21("5","7","1","5","5","6","4","1") = "6"
    & skf21("5","7","1","5","5","6","5","1") = "6"
    & skf21("5","7","1","5","5","6","6","1") = "6"
    & skf21("5","7","1","5","5","6","7","1") = "6"
    & skf21("5","7","1","5","5","7","1","1") = "6"
    & skf21("5","7","1","5","5","7","2","1") = "6"
    & skf21("5","7","1","5","5","7","3","1") = "6"
    & skf21("5","7","1","5","5","7","4","1") = "6"
    & skf21("5","7","1","5","5","7","5","1") = "6"
    & skf21("5","7","1","5","5","7","6","1") = "6"
    & skf21("5","7","1","5","5","7","7","1") = "6"
    & skf21("5","7","1","5","6","1","1","1") = "6"
    & skf21("5","7","1","5","6","1","2","1") = "6"
    & skf21("5","7","1","5","6","1","3","1") = "6"
    & skf21("5","7","1","5","6","1","4","1") = "6"
    & skf21("5","7","1","5","6","1","5","1") = "6"
    & skf21("5","7","1","5","6","1","6","1") = "6"
    & skf21("5","7","1","5","6","1","7","1") = "6"
    & skf21("5","7","1","5","6","2","1","1") = "6"
    & skf21("5","7","1","5","6","2","2","1") = "6"
    & skf21("5","7","1","5","6","2","3","1") = "6"
    & skf21("5","7","1","5","6","2","4","1") = "6"
    & skf21("5","7","1","5","6","2","5","1") = "6"
    & skf21("5","7","1","5","6","2","6","1") = "6"
    & skf21("5","7","1","5","6","2","7","1") = "6"
    & skf21("5","7","1","5","6","3","1","1") = "6"
    & skf21("5","7","1","5","6","3","2","1") = "6"
    & skf21("5","7","1","5","6","3","3","1") = "6"
    & skf21("5","7","1","5","6","3","4","1") = "6"
    & skf21("5","7","1","5","6","3","5","1") = "6"
    & skf21("5","7","1","5","6","3","6","1") = "6"
    & skf21("5","7","1","5","6","3","7","1") = "6"
    & skf21("5","7","1","5","6","4","1","1") = "6"
    & skf21("5","7","1","5","6","4","2","1") = "6"
    & skf21("5","7","1","5","6","4","3","1") = "6"
    & skf21("5","7","1","5","6","4","4","1") = "6"
    & skf21("5","7","1","5","6","4","5","1") = "6"
    & skf21("5","7","1","5","6","4","6","1") = "6"
    & skf21("5","7","1","5","6","4","7","1") = "6"
    & skf21("5","7","1","5","6","5","1","1") = "6"
    & skf21("5","7","1","5","6","5","2","1") = "6"
    & skf21("5","7","1","5","6","5","3","1") = "6"
    & skf21("5","7","1","5","6","5","4","1") = "6"
    & skf21("5","7","1","5","6","5","5","1") = "6"
    & skf21("5","7","1","5","6","5","6","1") = "6"
    & skf21("5","7","1","5","6","5","7","1") = "6"
    & skf21("5","7","1","5","6","6","1","1") = "6"
    & skf21("5","7","1","5","6","6","2","1") = "6"
    & skf21("5","7","1","5","6","6","3","1") = "6"
    & skf21("5","7","1","5","6","6","4","1") = "6"
    & skf21("5","7","1","5","6","6","5","1") = "6"
    & skf21("5","7","1","5","6","6","6","1") = "6"
    & skf21("5","7","1","5","6","6","7","1") = "6"
    & skf21("5","7","1","5","6","7","1","1") = "6"
    & skf21("5","7","1","5","6","7","2","1") = "6"
    & skf21("5","7","1","5","6","7","3","1") = "6"
    & skf21("5","7","1","5","6","7","4","1") = "6"
    & skf21("5","7","1","5","6","7","5","1") = "6"
    & skf21("5","7","1","5","6","7","6","1") = "6"
    & skf21("5","7","1","5","6","7","7","1") = "6"
    & skf21("5","7","1","5","7","1","1","1") = "6"
    & skf21("5","7","1","5","7","1","2","1") = "6"
    & skf21("5","7","1","5","7","1","3","1") = "6"
    & skf21("5","7","1","5","7","1","4","1") = "6"
    & skf21("5","7","1","5","7","1","5","1") = "6"
    & skf21("5","7","1","5","7","1","6","1") = "6"
    & skf21("5","7","1","5","7","1","7","1") = "6"
    & skf21("5","7","1","5","7","2","1","1") = "6"
    & skf21("5","7","1","5","7","2","2","1") = "6"
    & skf21("5","7","1","5","7","2","3","1") = "6"
    & skf21("5","7","1","5","7","2","4","1") = "6"
    & skf21("5","7","1","5","7","2","5","1") = "6"
    & skf21("5","7","1","5","7","2","6","1") = "6"
    & skf21("5","7","1","5","7","2","7","1") = "6"
    & skf21("5","7","1","5","7","3","1","1") = "6"
    & skf21("5","7","1","5","7","3","2","1") = "6"
    & skf21("5","7","1","5","7","3","3","1") = "6"
    & skf21("5","7","1","5","7","3","4","1") = "6"
    & skf21("5","7","1","5","7","3","5","1") = "6"
    & skf21("5","7","1","5","7","3","6","1") = "6"
    & skf21("5","7","1","5","7","3","7","1") = "6"
    & skf21("5","7","1","5","7","4","1","1") = "6"
    & skf21("5","7","1","5","7","4","2","1") = "6"
    & skf21("5","7","1","5","7","4","3","1") = "6"
    & skf21("5","7","1","5","7","4","4","1") = "6"
    & skf21("5","7","1","5","7","4","5","1") = "6"
    & skf21("5","7","1","5","7","4","6","1") = "6"
    & skf21("5","7","1","5","7","4","7","1") = "6"
    & skf21("5","7","1","5","7","5","1","1") = "6"
    & skf21("5","7","1","5","7","5","2","1") = "6"
    & skf21("5","7","1","5","7","5","3","1") = "6"
    & skf21("5","7","1","5","7","5","4","1") = "6"
    & skf21("5","7","1","5","7","5","5","1") = "6"
    & skf21("5","7","1","5","7","5","6","1") = "6"
    & skf21("5","7","1","5","7","5","7","1") = "6"
    & skf21("5","7","1","5","7","6","1","1") = "6"
    & skf21("5","7","1","5","7","6","2","1") = "6"
    & skf21("5","7","1","5","7","6","3","1") = "6"
    & skf21("5","7","1","5","7","6","4","1") = "6"
    & skf21("5","7","1","5","7","6","5","1") = "6"
    & skf21("5","7","1","5","7","6","6","1") = "6"
    & skf21("5","7","1","5","7","6","7","1") = "6"
    & skf21("5","7","1","5","7","7","1","1") = "6"
    & skf21("5","7","1","5","7","7","2","1") = "6"
    & skf21("5","7","1","5","7","7","3","1") = "6"
    & skf21("5","7","1","5","7","7","4","1") = "6"
    & skf21("5","7","1","5","7","7","5","1") = "6"
    & skf21("5","7","1","5","7","7","6","1") = "6"
    & skf21("5","7","1","5","7","7","7","1") = "6"
    & skf21("5","7","1","6","1","1","1","1") = "6"
    & skf21("5","7","1","6","1","1","2","1") = "6"
    & skf21("5","7","1","6","1","1","3","1") = "6"
    & skf21("5","7","1","6","1","1","4","1") = "6"
    & skf21("5","7","1","6","1","1","5","1") = "6"
    & skf21("5","7","1","6","1","1","6","1") = "6"
    & skf21("5","7","1","6","1","1","7","1") = "6"
    & skf21("5","7","1","6","1","2","1","1") = "6"
    & skf21("5","7","1","6","1","2","2","1") = "6"
    & skf21("5","7","1","6","1","2","3","1") = "6"
    & skf21("5","7","1","6","1","2","4","1") = "6"
    & skf21("5","7","1","6","1","2","5","1") = "6"
    & skf21("5","7","1","6","1","2","6","1") = "6"
    & skf21("5","7","1","6","1","2","7","1") = "6"
    & skf21("5","7","1","6","1","3","1","1") = "6"
    & skf21("5","7","1","6","1","3","2","1") = "6"
    & skf21("5","7","1","6","1","3","3","1") = "6"
    & skf21("5","7","1","6","1","3","4","1") = "6"
    & skf21("5","7","1","6","1","3","5","1") = "6"
    & skf21("5","7","1","6","1","3","6","1") = "6"
    & skf21("5","7","1","6","1","3","7","1") = "6"
    & skf21("5","7","1","6","1","4","1","1") = "6"
    & skf21("5","7","1","6","1","4","2","1") = "6"
    & skf21("5","7","1","6","1","4","3","1") = "6"
    & skf21("5","7","1","6","1","4","4","1") = "6"
    & skf21("5","7","1","6","1","4","5","1") = "6"
    & skf21("5","7","1","6","1","4","6","1") = "6"
    & skf21("5","7","1","6","1","4","7","1") = "6"
    & skf21("5","7","1","6","1","5","1","1") = "6"
    & skf21("5","7","1","6","1","5","2","1") = "6"
    & skf21("5","7","1","6","1","5","3","1") = "6"
    & skf21("5","7","1","6","1","5","4","1") = "6"
    & skf21("5","7","1","6","1","5","5","1") = "6"
    & skf21("5","7","1","6","1","5","6","1") = "6"
    & skf21("5","7","1","6","1","5","7","1") = "6"
    & skf21("5","7","1","6","1","6","1","1") = "6"
    & skf21("5","7","1","6","1","6","2","1") = "6"
    & skf21("5","7","1","6","1","6","3","1") = "6"
    & skf21("5","7","1","6","1","6","4","1") = "6"
    & skf21("5","7","1","6","1","6","5","1") = "6"
    & skf21("5","7","1","6","1","6","6","1") = "6"
    & skf21("5","7","1","6","1","6","7","1") = "6"
    & skf21("5","7","1","6","1","7","1","1") = "6"
    & skf21("5","7","1","6","1","7","2","1") = "6"
    & skf21("5","7","1","6","1","7","3","1") = "6"
    & skf21("5","7","1","6","1","7","4","1") = "6"
    & skf21("5","7","1","6","1","7","5","1") = "6"
    & skf21("5","7","1","6","1","7","6","1") = "6"
    & skf21("5","7","1","6","1","7","7","1") = "6"
    & skf21("5","7","1","6","2","1","1","1") = "6"
    & skf21("5","7","1","6","2","1","2","1") = "6"
    & skf21("5","7","1","6","2","1","3","1") = "6"
    & skf21("5","7","1","6","2","1","4","1") = "6"
    & skf21("5","7","1","6","2","1","5","1") = "6"
    & skf21("5","7","1","6","2","1","6","1") = "6"
    & skf21("5","7","1","6","2","1","7","1") = "6"
    & skf21("5","7","1","6","2","2","1","1") = "6"
    & skf21("5","7","1","6","2","2","2","1") = "6"
    & skf21("5","7","1","6","2","2","3","1") = "6"
    & skf21("5","7","1","6","2","2","4","1") = "6"
    & skf21("5","7","1","6","2","2","5","1") = "6"
    & skf21("5","7","1","6","2","2","6","1") = "6"
    & skf21("5","7","1","6","2","2","7","1") = "6"
    & skf21("5","7","1","6","2","3","1","1") = "6"
    & skf21("5","7","1","6","2","3","2","1") = "6"
    & skf21("5","7","1","6","2","3","3","1") = "6"
    & skf21("5","7","1","6","2","3","4","1") = "6"
    & skf21("5","7","1","6","2","3","5","1") = "6"
    & skf21("5","7","1","6","2","3","6","1") = "6"
    & skf21("5","7","1","6","2","3","7","1") = "6"
    & skf21("5","7","1","6","2","4","1","1") = "6"
    & skf21("5","7","1","6","2","4","2","1") = "6"
    & skf21("5","7","1","6","2","4","3","1") = "6"
    & skf21("5","7","1","6","2","4","4","1") = "6"
    & skf21("5","7","1","6","2","4","5","1") = "6"
    & skf21("5","7","1","6","2","4","6","1") = "6"
    & skf21("5","7","1","6","2","4","7","1") = "6"
    & skf21("5","7","1","6","2","5","1","1") = "6"
    & skf21("5","7","1","6","2","5","2","1") = "6"
    & skf21("5","7","1","6","2","5","3","1") = "6"
    & skf21("5","7","1","6","2","5","4","1") = "6"
    & skf21("5","7","1","6","2","5","5","1") = "6"
    & skf21("5","7","1","6","2","5","6","1") = "6"
    & skf21("5","7","1","6","2","5","7","1") = "6"
    & skf21("5","7","1","6","2","6","1","1") = "6"
    & skf21("5","7","1","6","2","6","2","1") = "6"
    & skf21("5","7","1","6","2","6","3","1") = "6"
    & skf21("5","7","1","6","2","6","4","1") = "6"
    & skf21("5","7","1","6","2","6","5","1") = "6"
    & skf21("5","7","1","6","2","6","6","1") = "6"
    & skf21("5","7","1","6","2","6","7","1") = "6"
    & skf21("5","7","1","6","2","7","1","1") = "6"
    & skf21("5","7","1","6","2","7","2","1") = "6"
    & skf21("5","7","1","6","2","7","3","1") = "6"
    & skf21("5","7","1","6","2","7","4","1") = "6"
    & skf21("5","7","1","6","2","7","5","1") = "6"
    & skf21("5","7","1","6","2","7","6","1") = "6"
    & skf21("5","7","1","6","2","7","7","1") = "6"
    & skf21("5","7","1","6","3","1","1","1") = "6"
    & skf21("5","7","1","6","3","1","2","1") = "6"
    & skf21("5","7","1","6","3","1","3","1") = "6"
    & skf21("5","7","1","6","3","1","4","1") = "6"
    & skf21("5","7","1","6","3","1","5","1") = "6"
    & skf21("5","7","1","6","3","1","6","1") = "6"
    & skf21("5","7","1","6","3","1","7","1") = "6"
    & skf21("5","7","1","6","3","2","1","1") = "6"
    & skf21("5","7","1","6","3","2","2","1") = "6"
    & skf21("5","7","1","6","3","2","3","1") = "6"
    & skf21("5","7","1","6","3","2","4","1") = "6"
    & skf21("5","7","1","6","3","2","5","1") = "6"
    & skf21("5","7","1","6","3","2","6","1") = "6"
    & skf21("5","7","1","6","3","2","7","1") = "6"
    & skf21("5","7","1","6","3","3","1","1") = "6"
    & skf21("5","7","1","6","3","3","2","1") = "6"
    & skf21("5","7","1","6","3","3","3","1") = "6"
    & skf21("5","7","1","6","3","3","4","1") = "6"
    & skf21("5","7","1","6","3","3","5","1") = "6"
    & skf21("5","7","1","6","3","3","6","1") = "6"
    & skf21("5","7","1","6","3","3","7","1") = "6"
    & skf21("5","7","1","6","3","4","1","1") = "6"
    & skf21("5","7","1","6","3","4","2","1") = "6"
    & skf21("5","7","1","6","3","4","3","1") = "6"
    & skf21("5","7","1","6","3","4","4","1") = "6"
    & skf21("5","7","1","6","3","4","5","1") = "6"
    & skf21("5","7","1","6","3","4","6","1") = "6"
    & skf21("5","7","1","6","3","4","7","1") = "6"
    & skf21("5","7","1","6","3","5","1","1") = "6"
    & skf21("5","7","1","6","3","5","2","1") = "6"
    & skf21("5","7","1","6","3","5","3","1") = "6"
    & skf21("5","7","1","6","3","5","4","1") = "6"
    & skf21("5","7","1","6","3","5","5","1") = "6"
    & skf21("5","7","1","6","3","5","6","1") = "6"
    & skf21("5","7","1","6","3","5","7","1") = "6"
    & skf21("5","7","1","6","3","6","1","1") = "6"
    & skf21("5","7","1","6","3","6","2","1") = "6"
    & skf21("5","7","1","6","3","6","3","1") = "6"
    & skf21("5","7","1","6","3","6","4","1") = "6"
    & skf21("5","7","1","6","3","6","5","1") = "6"
    & skf21("5","7","1","6","3","6","6","1") = "6"
    & skf21("5","7","1","6","3","6","7","1") = "6"
    & skf21("5","7","1","6","3","7","1","1") = "6"
    & skf21("5","7","1","6","3","7","2","1") = "6"
    & skf21("5","7","1","6","3","7","3","1") = "6"
    & skf21("5","7","1","6","3","7","4","1") = "6"
    & skf21("5","7","1","6","3","7","5","1") = "6"
    & skf21("5","7","1","6","3","7","6","1") = "6"
    & skf21("5","7","1","6","3","7","7","1") = "6"
    & skf21("5","7","1","6","4","1","1","1") = "6"
    & skf21("5","7","1","6","4","1","2","1") = "6"
    & skf21("5","7","1","6","4","1","3","1") = "6"
    & skf21("5","7","1","6","4","1","4","1") = "6"
    & skf21("5","7","1","6","4","1","5","1") = "6"
    & skf21("5","7","1","6","4","1","6","1") = "6"
    & skf21("5","7","1","6","4","1","7","1") = "6"
    & skf21("5","7","1","6","4","2","1","1") = "6"
    & skf21("5","7","1","6","4","2","2","1") = "6"
    & skf21("5","7","1","6","4","2","3","1") = "6"
    & skf21("5","7","1","6","4","2","4","1") = "6"
    & skf21("5","7","1","6","4","2","5","1") = "6"
    & skf21("5","7","1","6","4","2","6","1") = "6"
    & skf21("5","7","1","6","4","2","7","1") = "6"
    & skf21("5","7","1","6","4","3","1","1") = "6"
    & skf21("5","7","1","6","4","3","2","1") = "6"
    & skf21("5","7","1","6","4","3","3","1") = "6"
    & skf21("5","7","1","6","4","3","4","1") = "6"
    & skf21("5","7","1","6","4","3","5","1") = "6"
    & skf21("5","7","1","6","4","3","6","1") = "6"
    & skf21("5","7","1","6","4","3","7","1") = "6"
    & skf21("5","7","1","6","4","4","1","1") = "6"
    & skf21("5","7","1","6","4","4","2","1") = "6"
    & skf21("5","7","1","6","4","4","3","1") = "6"
    & skf21("5","7","1","6","4","4","4","1") = "6"
    & skf21("5","7","1","6","4","4","5","1") = "6"
    & skf21("5","7","1","6","4","4","6","1") = "6"
    & skf21("5","7","1","6","4","4","7","1") = "6"
    & skf21("5","7","1","6","4","5","1","1") = "6"
    & skf21("5","7","1","6","4","5","2","1") = "6"
    & skf21("5","7","1","6","4","5","3","1") = "6"
    & skf21("5","7","1","6","4","5","4","1") = "6"
    & skf21("5","7","1","6","4","5","5","1") = "6"
    & skf21("5","7","1","6","4","5","6","1") = "6"
    & skf21("5","7","1","6","4","5","7","1") = "6"
    & skf21("5","7","1","6","4","6","1","1") = "6"
    & skf21("5","7","1","6","4","6","2","1") = "6"
    & skf21("5","7","1","6","4","6","3","1") = "6"
    & skf21("5","7","1","6","4","6","4","1") = "6"
    & skf21("5","7","1","6","4","6","5","1") = "6"
    & skf21("5","7","1","6","4","6","6","1") = "6"
    & skf21("5","7","1","6","4","6","7","1") = "6"
    & skf21("5","7","1","6","4","7","1","1") = "6"
    & skf21("5","7","1","6","4","7","2","1") = "6"
    & skf21("5","7","1","6","4","7","3","1") = "6"
    & skf21("5","7","1","6","4","7","4","1") = "6"
    & skf21("5","7","1","6","4","7","5","1") = "6"
    & skf21("5","7","1","6","4","7","6","1") = "6"
    & skf21("5","7","1","6","4","7","7","1") = "6"
    & skf21("5","7","1","6","5","1","1","1") = "6"
    & skf21("5","7","1","6","5","1","2","1") = "6"
    & skf21("5","7","1","6","5","1","3","1") = "6"
    & skf21("5","7","1","6","5","1","4","1") = "6"
    & skf21("5","7","1","6","5","1","5","1") = "6"
    & skf21("5","7","1","6","5","1","6","1") = "6"
    & skf21("5","7","1","6","5","1","7","1") = "6"
    & skf21("5","7","1","6","5","2","1","1") = "6"
    & skf21("5","7","1","6","5","2","2","1") = "6"
    & skf21("5","7","1","6","5","2","3","1") = "6"
    & skf21("5","7","1","6","5","2","4","1") = "6"
    & skf21("5","7","1","6","5","2","5","1") = "6"
    & skf21("5","7","1","6","5","2","6","1") = "6"
    & skf21("5","7","1","6","5","2","7","1") = "6"
    & skf21("5","7","1","6","5","3","1","1") = "6"
    & skf21("5","7","1","6","5","3","2","1") = "6"
    & skf21("5","7","1","6","5","3","3","1") = "6"
    & skf21("5","7","1","6","5","3","4","1") = "6"
    & skf21("5","7","1","6","5","3","5","1") = "6"
    & skf21("5","7","1","6","5","3","6","1") = "6"
    & skf21("5","7","1","6","5","3","7","1") = "6"
    & skf21("5","7","1","6","5","4","1","1") = "6"
    & skf21("5","7","1","6","5","4","2","1") = "6"
    & skf21("5","7","1","6","5","4","3","1") = "6"
    & skf21("5","7","1","6","5","4","4","1") = "6"
    & skf21("5","7","1","6","5","4","5","1") = "6"
    & skf21("5","7","1","6","5","4","6","1") = "6"
    & skf21("5","7","1","6","5","4","7","1") = "6"
    & skf21("5","7","1","6","5","5","1","1") = "6"
    & skf21("5","7","1","6","5","5","2","1") = "6"
    & skf21("5","7","1","6","5","5","3","1") = "6"
    & skf21("5","7","1","6","5","5","4","1") = "6"
    & skf21("5","7","1","6","5","5","5","1") = "6"
    & skf21("5","7","1","6","5","5","6","1") = "6"
    & skf21("5","7","1","6","5","5","7","1") = "6"
    & skf21("5","7","1","6","5","6","1","1") = "6"
    & skf21("5","7","1","6","5","6","2","1") = "6"
    & skf21("5","7","1","6","5","6","3","1") = "6"
    & skf21("5","7","1","6","5","6","4","1") = "6"
    & skf21("5","7","1","6","5","6","5","1") = "6"
    & skf21("5","7","1","6","5","6","6","1") = "6"
    & skf21("5","7","1","6","5","6","7","1") = "6"
    & skf21("5","7","1","6","5","7","1","1") = "6"
    & skf21("5","7","1","6","5","7","2","1") = "6"
    & skf21("5","7","1","6","5","7","3","1") = "6"
    & skf21("5","7","1","6","5","7","4","1") = "6"
    & skf21("5","7","1","6","5","7","5","1") = "6"
    & skf21("5","7","1","6","5","7","6","1") = "6"
    & skf21("5","7","1","6","5","7","7","1") = "6"
    & skf21("5","7","1","6","6","1","1","1") = "6"
    & skf21("5","7","1","6","6","1","2","1") = "6"
    & skf21("5","7","1","6","6","1","3","1") = "6"
    & skf21("5","7","1","6","6","1","4","1") = "6"
    & skf21("5","7","1","6","6","1","5","1") = "6"
    & skf21("5","7","1","6","6","1","6","1") = "6"
    & skf21("5","7","1","6","6","1","7","1") = "6"
    & skf21("5","7","1","6","6","2","1","1") = "6"
    & skf21("5","7","1","6","6","2","2","1") = "6"
    & skf21("5","7","1","6","6","2","3","1") = "6"
    & skf21("5","7","1","6","6","2","4","1") = "6"
    & skf21("5","7","1","6","6","2","5","1") = "6"
    & skf21("5","7","1","6","6","2","6","1") = "6"
    & skf21("5","7","1","6","6","2","7","1") = "6"
    & skf21("5","7","1","6","6","3","1","1") = "6"
    & skf21("5","7","1","6","6","3","2","1") = "6"
    & skf21("5","7","1","6","6","3","3","1") = "6"
    & skf21("5","7","1","6","6","3","4","1") = "6"
    & skf21("5","7","1","6","6","3","5","1") = "6"
    & skf21("5","7","1","6","6","3","6","1") = "6"
    & skf21("5","7","1","6","6","3","7","1") = "6"
    & skf21("5","7","1","6","6","4","1","1") = "6"
    & skf21("5","7","1","6","6","4","2","1") = "6"
    & skf21("5","7","1","6","6","4","3","1") = "6"
    & skf21("5","7","1","6","6","4","4","1") = "6"
    & skf21("5","7","1","6","6","4","5","1") = "6"
    & skf21("5","7","1","6","6","4","6","1") = "6"
    & skf21("5","7","1","6","6","4","7","1") = "6"
    & skf21("5","7","1","6","6","5","1","1") = "6"
    & skf21("5","7","1","6","6","5","2","1") = "6"
    & skf21("5","7","1","6","6","5","3","1") = "6"
    & skf21("5","7","1","6","6","5","4","1") = "6"
    & skf21("5","7","1","6","6","5","5","1") = "6"
    & skf21("5","7","1","6","6","5","6","1") = "6"
    & skf21("5","7","1","6","6","5","7","1") = "6"
    & skf21("5","7","1","6","6","6","1","1") = "6"
    & skf21("5","7","1","6","6","6","2","1") = "6"
    & skf21("5","7","1","6","6","6","3","1") = "6"
    & skf21("5","7","1","6","6","6","4","1") = "6"
    & skf21("5","7","1","6","6","6","5","1") = "6"
    & skf21("5","7","1","6","6","6","6","1") = "6"
    & skf21("5","7","1","6","6","6","7","1") = "6"
    & skf21("5","7","1","6","6","7","1","1") = "6"
    & skf21("5","7","1","6","6","7","2","1") = "6"
    & skf21("5","7","1","6","6","7","3","1") = "6"
    & skf21("5","7","1","6","6","7","4","1") = "6"
    & skf21("5","7","1","6","6","7","5","1") = "6"
    & skf21("5","7","1","6","6","7","6","1") = "6"
    & skf21("5","7","1","6","6","7","7","1") = "6"
    & skf21("5","7","1","6","7","1","1","1") = "6"
    & skf21("5","7","1","6","7","1","2","1") = "6"
    & skf21("5","7","1","6","7","1","3","1") = "6"
    & skf21("5","7","1","6","7","1","4","1") = "6"
    & skf21("5","7","1","6","7","1","5","1") = "6"
    & skf21("5","7","1","6","7","1","6","1") = "6"
    & skf21("5","7","1","6","7","1","7","1") = "6"
    & skf21("5","7","1","6","7","2","1","1") = "6"
    & skf21("5","7","1","6","7","2","2","1") = "6"
    & skf21("5","7","1","6","7","2","3","1") = "6"
    & skf21("5","7","1","6","7","2","4","1") = "6"
    & skf21("5","7","1","6","7","2","5","1") = "6"
    & skf21("5","7","1","6","7","2","6","1") = "6"
    & skf21("5","7","1","6","7","2","7","1") = "6"
    & skf21("5","7","1","6","7","3","1","1") = "6"
    & skf21("5","7","1","6","7","3","2","1") = "6"
    & skf21("5","7","1","6","7","3","3","1") = "6"
    & skf21("5","7","1","6","7","3","4","1") = "6"
    & skf21("5","7","1","6","7","3","5","1") = "6"
    & skf21("5","7","1","6","7","3","6","1") = "6"
    & skf21("5","7","1","6","7","3","7","1") = "6"
    & skf21("5","7","1","6","7","4","1","1") = "6"
    & skf21("5","7","1","6","7","4","2","1") = "6"
    & skf21("5","7","1","6","7","4","3","1") = "6"
    & skf21("5","7","1","6","7","4","4","1") = "6"
    & skf21("5","7","1","6","7","4","5","1") = "6"
    & skf21("5","7","1","6","7","4","6","1") = "6"
    & skf21("5","7","1","6","7","4","7","1") = "6"
    & skf21("5","7","1","6","7","5","1","1") = "6"
    & skf21("5","7","1","6","7","5","2","1") = "6"
    & skf21("5","7","1","6","7","5","3","1") = "6"
    & skf21("5","7","1","6","7","5","4","1") = "6"
    & skf21("5","7","1","6","7","5","5","1") = "6"
    & skf21("5","7","1","6","7","5","6","1") = "6"
    & skf21("5","7","1","6","7","5","7","1") = "6"
    & skf21("5","7","1","6","7","6","1","1") = "6"
    & skf21("5","7","1","6","7","6","2","1") = "6"
    & skf21("5","7","1","6","7","6","3","1") = "6"
    & skf21("5","7","1","6","7","6","4","1") = "6"
    & skf21("5","7","1","6","7","6","5","1") = "6"
    & skf21("5","7","1","6","7","6","6","1") = "6"
    & skf21("5","7","1","6","7","6","7","1") = "6"
    & skf21("5","7","1","6","7","7","1","1") = "6"
    & skf21("5","7","1","6","7","7","2","1") = "6"
    & skf21("5","7","1","6","7","7","3","1") = "6"
    & skf21("5","7","1","6","7","7","4","1") = "6"
    & skf21("5","7","1","6","7","7","5","1") = "6"
    & skf21("5","7","1","6","7","7","6","1") = "6"
    & skf21("5","7","1","6","7","7","7","1") = "6"
    & skf21("5","7","1","7","1","1","1","1") = "6"
    & skf21("5","7","1","7","1","1","2","1") = "6"
    & skf21("5","7","1","7","1","1","3","1") = "6"
    & skf21("5","7","1","7","1","1","4","1") = "6"
    & skf21("5","7","1","7","1","1","5","1") = "6"
    & skf21("5","7","1","7","1","1","6","1") = "6"
    & skf21("5","7","1","7","1","1","7","1") = "6"
    & skf21("5","7","1","7","1","2","1","1") = "6"
    & skf21("5","7","1","7","1","2","2","1") = "6"
    & skf21("5","7","1","7","1","2","3","1") = "6"
    & skf21("5","7","1","7","1","2","4","1") = "6"
    & skf21("5","7","1","7","1","2","5","1") = "6"
    & skf21("5","7","1","7","1","2","6","1") = "6"
    & skf21("5","7","1","7","1","2","7","1") = "6"
    & skf21("5","7","1","7","1","3","1","1") = "6"
    & skf21("5","7","1","7","1","3","2","1") = "6"
    & skf21("5","7","1","7","1","3","3","1") = "6"
    & skf21("5","7","1","7","1","3","4","1") = "6"
    & skf21("5","7","1","7","1","3","5","1") = "6"
    & skf21("5","7","1","7","1","3","6","1") = "6"
    & skf21("5","7","1","7","1","3","7","1") = "6"
    & skf21("5","7","1","7","1","4","1","1") = "6"
    & skf21("5","7","1","7","1","4","2","1") = "6"
    & skf21("5","7","1","7","1","4","3","1") = "6"
    & skf21("5","7","1","7","1","4","4","1") = "6"
    & skf21("5","7","1","7","1","4","5","1") = "6"
    & skf21("5","7","1","7","1","4","6","1") = "6"
    & skf21("5","7","1","7","1","4","7","1") = "6"
    & skf21("5","7","1","7","1","5","1","1") = "6"
    & skf21("5","7","1","7","1","5","2","1") = "6"
    & skf21("5","7","1","7","1","5","3","1") = "6"
    & skf21("5","7","1","7","1","5","4","1") = "6"
    & skf21("5","7","1","7","1","5","5","1") = "6"
    & skf21("5","7","1","7","1","5","6","1") = "6"
    & skf21("5","7","1","7","1","5","7","1") = "6"
    & skf21("5","7","1","7","1","6","1","1") = "6"
    & skf21("5","7","1","7","1","6","2","1") = "6"
    & skf21("5","7","1","7","1","6","3","1") = "6"
    & skf21("5","7","1","7","1","6","4","1") = "6"
    & skf21("5","7","1","7","1","6","5","1") = "6"
    & skf21("5","7","1","7","1","6","6","1") = "6"
    & skf21("5","7","1","7","1","6","7","1") = "6"
    & skf21("5","7","1","7","1","7","1","1") = "6"
    & skf21("5","7","1","7","1","7","2","1") = "6"
    & skf21("5","7","1","7","1","7","3","1") = "6"
    & skf21("5","7","1","7","1","7","4","1") = "6"
    & skf21("5","7","1","7","1","7","5","1") = "6"
    & skf21("5","7","1","7","1","7","6","1") = "6"
    & skf21("5","7","1","7","1","7","7","1") = "6"
    & skf21("5","7","1","7","2","1","1","1") = "6"
    & skf21("5","7","1","7","2","1","2","1") = "6"
    & skf21("5","7","1","7","2","1","3","1") = "6"
    & skf21("5","7","1","7","2","1","4","1") = "6"
    & skf21("5","7","1","7","2","1","5","1") = "6"
    & skf21("5","7","1","7","2","1","6","1") = "6"
    & skf21("5","7","1","7","2","1","7","1") = "6"
    & skf21("5","7","1","7","2","2","1","1") = "6"
    & skf21("5","7","1","7","2","2","2","1") = "6"
    & skf21("5","7","1","7","2","2","3","1") = "6"
    & skf21("5","7","1","7","2","2","4","1") = "6"
    & skf21("5","7","1","7","2","2","5","1") = "6"
    & skf21("5","7","1","7","2","2","6","1") = "6"
    & skf21("5","7","1","7","2","2","7","1") = "6"
    & skf21("5","7","1","7","2","3","1","1") = "6"
    & skf21("5","7","1","7","2","3","2","1") = "6"
    & skf21("5","7","1","7","2","3","3","1") = "6"
    & skf21("5","7","1","7","2","3","4","1") = "6"
    & skf21("5","7","1","7","2","3","5","1") = "6"
    & skf21("5","7","1","7","2","3","6","1") = "6"
    & skf21("5","7","1","7","2","3","7","1") = "6"
    & skf21("5","7","1","7","2","4","1","1") = "6"
    & skf21("5","7","1","7","2","4","2","1") = "6"
    & skf21("5","7","1","7","2","4","3","1") = "6"
    & skf21("5","7","1","7","2","4","4","1") = "6"
    & skf21("5","7","1","7","2","4","5","1") = "6"
    & skf21("5","7","1","7","2","4","6","1") = "6"
    & skf21("5","7","1","7","2","4","7","1") = "6"
    & skf21("5","7","1","7","2","5","1","1") = "6"
    & skf21("5","7","1","7","2","5","2","1") = "6"
    & skf21("5","7","1","7","2","5","3","1") = "6"
    & skf21("5","7","1","7","2","5","4","1") = "6"
    & skf21("5","7","1","7","2","5","5","1") = "6"
    & skf21("5","7","1","7","2","5","6","1") = "6"
    & skf21("5","7","1","7","2","5","7","1") = "6"
    & skf21("5","7","1","7","2","6","1","1") = "6"
    & skf21("5","7","1","7","2","6","2","1") = "6"
    & skf21("5","7","1","7","2","6","3","1") = "6"
    & skf21("5","7","1","7","2","6","4","1") = "6"
    & skf21("5","7","1","7","2","6","5","1") = "6"
    & skf21("5","7","1","7","2","6","6","1") = "6"
    & skf21("5","7","1","7","2","6","7","1") = "6"
    & skf21("5","7","1","7","2","7","1","1") = "6"
    & skf21("5","7","1","7","2","7","2","1") = "6"
    & skf21("5","7","1","7","2","7","3","1") = "6"
    & skf21("5","7","1","7","2","7","4","1") = "6"
    & skf21("5","7","1","7","2","7","5","1") = "6"
    & skf21("5","7","1","7","2","7","6","1") = "6"
    & skf21("5","7","1","7","2","7","7","1") = "6"
    & skf21("5","7","1","7","3","1","1","1") = "6"
    & skf21("5","7","1","7","3","1","2","1") = "6"
    & skf21("5","7","1","7","3","1","3","1") = "6"
    & skf21("5","7","1","7","3","1","4","1") = "6"
    & skf21("5","7","1","7","3","1","5","1") = "6"
    & skf21("5","7","1","7","3","1","6","1") = "6"
    & skf21("5","7","1","7","3","1","7","1") = "6"
    & skf21("5","7","1","7","3","2","1","1") = "6"
    & skf21("5","7","1","7","3","2","2","1") = "6"
    & skf21("5","7","1","7","3","2","3","1") = "6"
    & skf21("5","7","1","7","3","2","4","1") = "6"
    & skf21("5","7","1","7","3","2","5","1") = "6"
    & skf21("5","7","1","7","3","2","6","1") = "6"
    & skf21("5","7","1","7","3","2","7","1") = "6"
    & skf21("5","7","1","7","3","3","1","1") = "6"
    & skf21("5","7","1","7","3","3","2","1") = "6"
    & skf21("5","7","1","7","3","3","3","1") = "6"
    & skf21("5","7","1","7","3","3","4","1") = "6"
    & skf21("5","7","1","7","3","3","5","1") = "6"
    & skf21("5","7","1","7","3","3","6","1") = "6"
    & skf21("5","7","1","7","3","3","7","1") = "6"
    & skf21("5","7","1","7","3","4","1","1") = "6"
    & skf21("5","7","1","7","3","4","2","1") = "6"
    & skf21("5","7","1","7","3","4","3","1") = "6"
    & skf21("5","7","1","7","3","4","4","1") = "6"
    & skf21("5","7","1","7","3","4","5","1") = "6"
    & skf21("5","7","1","7","3","4","6","1") = "6"
    & skf21("5","7","1","7","3","4","7","1") = "6"
    & skf21("5","7","1","7","3","5","1","1") = "6"
    & skf21("5","7","1","7","3","5","2","1") = "6"
    & skf21("5","7","1","7","3","5","3","1") = "6"
    & skf21("5","7","1","7","3","5","4","1") = "6"
    & skf21("5","7","1","7","3","5","5","1") = "6"
    & skf21("5","7","1","7","3","5","6","1") = "6"
    & skf21("5","7","1","7","3","5","7","1") = "6"
    & skf21("5","7","1","7","3","6","1","1") = "6"
    & skf21("5","7","1","7","3","6","2","1") = "6"
    & skf21("5","7","1","7","3","6","3","1") = "6"
    & skf21("5","7","1","7","3","6","4","1") = "6"
    & skf21("5","7","1","7","3","6","5","1") = "6"
    & skf21("5","7","1","7","3","6","6","1") = "6"
    & skf21("5","7","1","7","3","6","7","1") = "6"
    & skf21("5","7","1","7","3","7","1","1") = "6"
    & skf21("5","7","1","7","3","7","2","1") = "6"
    & skf21("5","7","1","7","3","7","3","1") = "6"
    & skf21("5","7","1","7","3","7","4","1") = "6"
    & skf21("5","7","1","7","3","7","5","1") = "6"
    & skf21("5","7","1","7","3","7","6","1") = "6"
    & skf21("5","7","1","7","3","7","7","1") = "6"
    & skf21("5","7","1","7","4","1","1","1") = "6"
    & skf21("5","7","1","7","4","1","2","1") = "6"
    & skf21("5","7","1","7","4","1","3","1") = "6"
    & skf21("5","7","1","7","4","1","4","1") = "6"
    & skf21("5","7","1","7","4","1","5","1") = "6"
    & skf21("5","7","1","7","4","1","6","1") = "6"
    & skf21("5","7","1","7","4","1","7","1") = "6"
    & skf21("5","7","1","7","4","2","1","1") = "6"
    & skf21("5","7","1","7","4","2","2","1") = "6"
    & skf21("5","7","1","7","4","2","3","1") = "6"
    & skf21("5","7","1","7","4","2","4","1") = "6"
    & skf21("5","7","1","7","4","2","5","1") = "6"
    & skf21("5","7","1","7","4","2","6","1") = "6"
    & skf21("5","7","1","7","4","2","7","1") = "6"
    & skf21("5","7","1","7","4","3","1","1") = "6"
    & skf21("5","7","1","7","4","3","2","1") = "6"
    & skf21("5","7","1","7","4","3","3","1") = "6"
    & skf21("5","7","1","7","4","3","4","1") = "6"
    & skf21("5","7","1","7","4","3","5","1") = "6"
    & skf21("5","7","1","7","4","3","6","1") = "6"
    & skf21("5","7","1","7","4","3","7","1") = "6"
    & skf21("5","7","1","7","4","4","1","1") = "6"
    & skf21("5","7","1","7","4","4","2","1") = "6"
    & skf21("5","7","1","7","4","4","3","1") = "6"
    & skf21("5","7","1","7","4","4","4","1") = "6"
    & skf21("5","7","1","7","4","4","5","1") = "6"
    & skf21("5","7","1","7","4","4","6","1") = "6"
    & skf21("5","7","1","7","4","4","7","1") = "6"
    & skf21("5","7","1","7","4","5","1","1") = "6"
    & skf21("5","7","1","7","4","5","2","1") = "6"
    & skf21("5","7","1","7","4","5","3","1") = "6"
    & skf21("5","7","1","7","4","5","4","1") = "6"
    & skf21("5","7","1","7","4","5","5","1") = "6"
    & skf21("5","7","1","7","4","5","6","1") = "6"
    & skf21("5","7","1","7","4","5","7","1") = "6"
    & skf21("5","7","1","7","4","6","1","1") = "6"
    & skf21("5","7","1","7","4","6","2","1") = "6"
    & skf21("5","7","1","7","4","6","3","1") = "6"
    & skf21("5","7","1","7","4","6","4","1") = "6"
    & skf21("5","7","1","7","4","6","5","1") = "6"
    & skf21("5","7","1","7","4","6","6","1") = "6"
    & skf21("5","7","1","7","4","6","7","1") = "6"
    & skf21("5","7","1","7","4","7","1","1") = "6"
    & skf21("5","7","1","7","4","7","2","1") = "6"
    & skf21("5","7","1","7","4","7","3","1") = "6"
    & skf21("5","7","1","7","4","7","4","1") = "6"
    & skf21("5","7","1","7","4","7","5","1") = "6"
    & skf21("5","7","1","7","4","7","6","1") = "6"
    & skf21("5","7","1","7","4","7","7","1") = "6"
    & skf21("5","7","1","7","5","1","1","1") = "6"
    & skf21("5","7","1","7","5","1","2","1") = "6"
    & skf21("5","7","1","7","5","1","3","1") = "6"
    & skf21("5","7","1","7","5","1","4","1") = "6"
    & skf21("5","7","1","7","5","1","5","1") = "6"
    & skf21("5","7","1","7","5","1","6","1") = "6"
    & skf21("5","7","1","7","5","1","7","1") = "6"
    & skf21("5","7","1","7","5","2","1","1") = "6"
    & skf21("5","7","1","7","5","2","2","1") = "6"
    & skf21("5","7","1","7","5","2","3","1") = "6"
    & skf21("5","7","1","7","5","2","4","1") = "6"
    & skf21("5","7","1","7","5","2","5","1") = "6"
    & skf21("5","7","1","7","5","2","6","1") = "6"
    & skf21("5","7","1","7","5","2","7","1") = "6"
    & skf21("5","7","1","7","5","3","1","1") = "6"
    & skf21("5","7","1","7","5","3","2","1") = "6"
    & skf21("5","7","1","7","5","3","3","1") = "6"
    & skf21("5","7","1","7","5","3","4","1") = "6"
    & skf21("5","7","1","7","5","3","5","1") = "6"
    & skf21("5","7","1","7","5","3","6","1") = "6"
    & skf21("5","7","1","7","5","3","7","1") = "6"
    & skf21("5","7","1","7","5","4","1","1") = "6"
    & skf21("5","7","1","7","5","4","2","1") = "6"
    & skf21("5","7","1","7","5","4","3","1") = "6"
    & skf21("5","7","1","7","5","4","4","1") = "6"
    & skf21("5","7","1","7","5","4","5","1") = "6"
    & skf21("5","7","1","7","5","4","6","1") = "6"
    & skf21("5","7","1","7","5","4","7","1") = "6"
    & skf21("5","7","1","7","5","5","1","1") = "6"
    & skf21("5","7","1","7","5","5","2","1") = "6"
    & skf21("5","7","1","7","5","5","3","1") = "6"
    & skf21("5","7","1","7","5","5","4","1") = "6"
    & skf21("5","7","1","7","5","5","5","1") = "6"
    & skf21("5","7","1","7","5","5","6","1") = "6"
    & skf21("5","7","1","7","5","5","7","1") = "6"
    & skf21("5","7","1","7","5","6","1","1") = "6"
    & skf21("5","7","1","7","5","6","2","1") = "6"
    & skf21("5","7","1","7","5","6","3","1") = "6"
    & skf21("5","7","1","7","5","6","4","1") = "6"
    & skf21("5","7","1","7","5","6","5","1") = "6"
    & skf21("5","7","1","7","5","6","6","1") = "6"
    & skf21("5","7","1","7","5","6","7","1") = "6"
    & skf21("5","7","1","7","5","7","1","1") = "6"
    & skf21("5","7","1","7","5","7","2","1") = "6"
    & skf21("5","7","1","7","5","7","3","1") = "6"
    & skf21("5","7","1","7","5","7","4","1") = "6"
    & skf21("5","7","1","7","5","7","5","1") = "6"
    & skf21("5","7","1","7","5","7","6","1") = "6"
    & skf21("5","7","1","7","5","7","7","1") = "6"
    & skf21("5","7","1","7","6","1","1","1") = "6"
    & skf21("5","7","1","7","6","1","2","1") = "6"
    & skf21("5","7","1","7","6","1","3","1") = "6"
    & skf21("5","7","1","7","6","1","4","1") = "6"
    & skf21("5","7","1","7","6","1","5","1") = "6"
    & skf21("5","7","1","7","6","1","6","1") = "6"
    & skf21("5","7","1","7","6","1","7","1") = "6"
    & skf21("5","7","1","7","6","2","1","1") = "6"
    & skf21("5","7","1","7","6","2","2","1") = "6"
    & skf21("5","7","1","7","6","2","3","1") = "6"
    & skf21("5","7","1","7","6","2","4","1") = "6"
    & skf21("5","7","1","7","6","2","5","1") = "6"
    & skf21("5","7","1","7","6","2","6","1") = "6"
    & skf21("5","7","1","7","6","2","7","1") = "6"
    & skf21("5","7","1","7","6","3","1","1") = "6"
    & skf21("5","7","1","7","6","3","2","1") = "6"
    & skf21("5","7","1","7","6","3","3","1") = "6"
    & skf21("5","7","1","7","6","3","4","1") = "6"
    & skf21("5","7","1","7","6","3","5","1") = "6"
    & skf21("5","7","1","7","6","3","6","1") = "6"
    & skf21("5","7","1","7","6","3","7","1") = "6"
    & skf21("5","7","1","7","6","4","1","1") = "6"
    & skf21("5","7","1","7","6","4","2","1") = "6"
    & skf21("5","7","1","7","6","4","3","1") = "6"
    & skf21("5","7","1","7","6","4","4","1") = "6"
    & skf21("5","7","1","7","6","4","5","1") = "6"
    & skf21("5","7","1","7","6","4","6","1") = "6"
    & skf21("5","7","1","7","6","4","7","1") = "6"
    & skf21("5","7","1","7","6","5","1","1") = "6"
    & skf21("5","7","1","7","6","5","2","1") = "6"
    & skf21("5","7","1","7","6","5","3","1") = "6"
    & skf21("5","7","1","7","6","5","4","1") = "6"
    & skf21("5","7","1","7","6","5","5","1") = "6"
    & skf21("5","7","1","7","6","5","6","1") = "6"
    & skf21("5","7","1","7","6","5","7","1") = "6"
    & skf21("5","7","1","7","6","6","1","1") = "6"
    & skf21("5","7","1","7","6","6","2","1") = "6"
    & skf21("5","7","1","7","6","6","3","1") = "6"
    & skf21("5","7","1","7","6","6","4","1") = "6"
    & skf21("5","7","1","7","6","6","5","1") = "6"
    & skf21("5","7","1","7","6","6","6","1") = "6"
    & skf21("5","7","1","7","6","6","7","1") = "6"
    & skf21("5","7","1","7","6","7","1","1") = "6"
    & skf21("5","7","1","7","6","7","2","1") = "6"
    & skf21("5","7","1","7","6","7","3","1") = "6"
    & skf21("5","7","1","7","6","7","4","1") = "6"
    & skf21("5","7","1","7","6","7","5","1") = "6"
    & skf21("5","7","1","7","6","7","6","1") = "6"
    & skf21("5","7","1","7","6","7","7","1") = "6"
    & skf21("5","7","1","7","7","1","1","1") = "6"
    & skf21("5","7","1","7","7","1","2","1") = "6"
    & skf21("5","7","1","7","7","1","3","1") = "6"
    & skf21("5","7","1","7","7","1","4","1") = "6"
    & skf21("5","7","1","7","7","1","5","1") = "6"
    & skf21("5","7","1","7","7","1","6","1") = "6"
    & skf21("5","7","1","7","7","1","7","1") = "6"
    & skf21("5","7","1","7","7","2","1","1") = "6"
    & skf21("5","7","1","7","7","2","2","1") = "6"
    & skf21("5","7","1","7","7","2","3","1") = "6"
    & skf21("5","7","1","7","7","2","4","1") = "6"
    & skf21("5","7","1","7","7","2","5","1") = "6"
    & skf21("5","7","1","7","7","2","6","1") = "6"
    & skf21("5","7","1","7","7","2","7","1") = "6"
    & skf21("5","7","1","7","7","3","1","1") = "6"
    & skf21("5","7","1","7","7","3","2","1") = "6"
    & skf21("5","7","1","7","7","3","3","1") = "6"
    & skf21("5","7","1","7","7","3","4","1") = "6"
    & skf21("5","7","1","7","7","3","5","1") = "6"
    & skf21("5","7","1","7","7","3","6","1") = "6"
    & skf21("5","7","1","7","7","3","7","1") = "6"
    & skf21("5","7","1","7","7","4","1","1") = "6"
    & skf21("5","7","1","7","7","4","2","1") = "6"
    & skf21("5","7","1","7","7","4","3","1") = "6"
    & skf21("5","7","1","7","7","4","4","1") = "6"
    & skf21("5","7","1","7","7","4","5","1") = "6"
    & skf21("5","7","1","7","7","4","6","1") = "6"
    & skf21("5","7","1","7","7","4","7","1") = "6"
    & skf21("5","7","1","7","7","5","1","1") = "6"
    & skf21("5","7","1","7","7","5","2","1") = "6"
    & skf21("5","7","1","7","7","5","3","1") = "6"
    & skf21("5","7","1","7","7","5","4","1") = "6"
    & skf21("5","7","1","7","7","5","5","1") = "6"
    & skf21("5","7","1","7","7","5","6","1") = "6"
    & skf21("5","7","1","7","7","5","7","1") = "6"
    & skf21("5","7","1","7","7","6","1","1") = "6"
    & skf21("5","7","1","7","7","6","2","1") = "6"
    & skf21("5","7","1","7","7","6","3","1") = "6"
    & skf21("5","7","1","7","7","6","4","1") = "6"
    & skf21("5","7","1","7","7","6","5","1") = "6"
    & skf21("5","7","1","7","7","6","6","1") = "6"
    & skf21("5","7","1","7","7","6","7","1") = "6"
    & skf21("5","7","1","7","7","7","1","1") = "6"
    & skf21("5","7","1","7","7","7","2","1") = "6"
    & skf21("5","7","1","7","7","7","3","1") = "6"
    & skf21("5","7","1","7","7","7","4","1") = "6"
    & skf21("5","7","1","7","7","7","5","1") = "6"
    & skf21("5","7","1","7","7","7","6","1") = "6"
    & skf21("5","7","1","7","7","7","7","1") = "6"
    & skf21("5","7","2","1","1","1","1","1") = "6"
    & skf21("5","7","2","1","1","1","2","1") = "6"
    & skf21("5","7","2","1","1","1","3","1") = "6"
    & skf21("5","7","2","1","1","1","4","1") = "6"
    & skf21("5","7","2","1","1","1","5","1") = "6"
    & skf21("5","7","2","1","1","1","6","1") = "6"
    & skf21("5","7","2","1","1","1","7","1") = "6"
    & skf21("5","7","2","1","1","2","1","1") = "6"
    & skf21("5","7","2","1","1","2","2","1") = "6"
    & skf21("5","7","2","1","1","2","3","1") = "6"
    & skf21("5","7","2","1","1","2","4","1") = "6"
    & skf21("5","7","2","1","1","2","5","1") = "6"
    & skf21("5","7","2","1","1","2","6","1") = "6"
    & skf21("5","7","2","1","1","2","7","1") = "6"
    & skf21("5","7","2","1","1","3","1","1") = "6"
    & skf21("5","7","2","1","1","3","2","1") = "6"
    & skf21("5","7","2","1","1","3","3","1") = "6"
    & skf21("5","7","2","1","1","3","4","1") = "6"
    & skf21("5","7","2","1","1","3","5","1") = "6"
    & skf21("5","7","2","1","1","3","6","1") = "6"
    & skf21("5","7","2","1","1","3","7","1") = "6"
    & skf21("5","7","2","1","1","4","1","1") = "6"
    & skf21("5","7","2","1","1","4","2","1") = "6"
    & skf21("5","7","2","1","1","4","3","1") = "6"
    & skf21("5","7","2","1","1","4","4","1") = "6"
    & skf21("5","7","2","1","1","4","5","1") = "6"
    & skf21("5","7","2","1","1","4","6","1") = "6"
    & skf21("5","7","2","1","1","4","7","1") = "6"
    & skf21("5","7","2","1","1","5","1","1") = "6"
    & skf21("5","7","2","1","1","5","2","1") = "6"
    & skf21("5","7","2","1","1","5","3","1") = "6"
    & skf21("5","7","2","1","1","5","4","1") = "6"
    & skf21("5","7","2","1","1","5","5","1") = "6"
    & skf21("5","7","2","1","1","5","6","1") = "6"
    & skf21("5","7","2","1","1","5","7","1") = "6"
    & skf21("5","7","2","1","1","6","1","1") = "6"
    & skf21("5","7","2","1","1","6","2","1") = "6"
    & skf21("5","7","2","1","1","6","3","1") = "6"
    & skf21("5","7","2","1","1","6","4","1") = "6"
    & skf21("5","7","2","1","1","6","5","1") = "6"
    & skf21("5","7","2","1","1","6","6","1") = "6"
    & skf21("5","7","2","1","1","6","7","1") = "6"
    & skf21("5","7","2","1","1","7","1","1") = "6"
    & skf21("5","7","2","1","1","7","2","1") = "6"
    & skf21("5","7","2","1","1","7","3","1") = "6"
    & skf21("5","7","2","1","1","7","4","1") = "6"
    & skf21("5","7","2","1","1","7","5","1") = "6"
    & skf21("5","7","2","1","1","7","6","1") = "6"
    & skf21("5","7","2","1","1","7","7","1") = "6"
    & skf21("5","7","2","1","2","1","1","1") = "6"
    & skf21("5","7","2","1","2","1","2","1") = "6"
    & skf21("5","7","2","1","2","1","3","1") = "6"
    & skf21("5","7","2","1","2","1","4","1") = "6"
    & skf21("5","7","2","1","2","1","5","1") = "6"
    & skf21("5","7","2","1","2","1","6","1") = "6"
    & skf21("5","7","2","1","2","1","7","1") = "6"
    & skf21("5","7","2","1","2","2","1","1") = "6"
    & skf21("5","7","2","1","2","2","2","1") = "6"
    & skf21("5","7","2","1","2","2","3","1") = "6"
    & skf21("5","7","2","1","2","2","4","1") = "6"
    & skf21("5","7","2","1","2","2","5","1") = "6"
    & skf21("5","7","2","1","2","2","6","1") = "6"
    & skf21("5","7","2","1","2","2","7","1") = "6"
    & skf21("5","7","2","1","2","3","1","1") = "6"
    & skf21("5","7","2","1","2","3","2","1") = "6"
    & skf21("5","7","2","1","2","3","3","1") = "6"
    & skf21("5","7","2","1","2","3","4","1") = "6"
    & skf21("5","7","2","1","2","3","5","1") = "6"
    & skf21("5","7","2","1","2","3","6","1") = "6"
    & skf21("5","7","2","1","2","3","7","1") = "6"
    & skf21("5","7","2","1","2","4","1","1") = "6"
    & skf21("5","7","2","1","2","4","2","1") = "6"
    & skf21("5","7","2","1","2","4","3","1") = "6"
    & skf21("5","7","2","1","2","4","4","1") = "6"
    & skf21("5","7","2","1","2","4","5","1") = "6"
    & skf21("5","7","2","1","2","4","6","1") = "6"
    & skf21("5","7","2","1","2","4","7","1") = "6"
    & skf21("5","7","2","1","2","5","1","1") = "6"
    & skf21("5","7","2","1","2","5","2","1") = "6"
    & skf21("5","7","2","1","2","5","3","1") = "6"
    & skf21("5","7","2","1","2","5","4","1") = "6"
    & skf21("5","7","2","1","2","5","5","1") = "6"
    & skf21("5","7","2","1","2","5","6","1") = "6"
    & skf21("5","7","2","1","2","5","7","1") = "6"
    & skf21("5","7","2","1","2","6","1","1") = "6"
    & skf21("5","7","2","1","2","6","2","1") = "6"
    & skf21("5","7","2","1","2","6","3","1") = "6"
    & skf21("5","7","2","1","2","6","4","1") = "6"
    & skf21("5","7","2","1","2","6","5","1") = "6"
    & skf21("5","7","2","1","2","6","6","1") = "6"
    & skf21("5","7","2","1","2","6","7","1") = "6"
    & skf21("5","7","2","1","2","7","1","1") = "6"
    & skf21("5","7","2","1","2","7","2","1") = "6"
    & skf21("5","7","2","1","2","7","3","1") = "6"
    & skf21("5","7","2","1","2","7","4","1") = "6"
    & skf21("5","7","2","1","2","7","5","1") = "6"
    & skf21("5","7","2","1","2","7","6","1") = "6"
    & skf21("5","7","2","1","2","7","7","1") = "6"
    & skf21("5","7","2","1","3","1","1","1") = "6"
    & skf21("5","7","2","1","3","1","2","1") = "6"
    & skf21("5","7","2","1","3","1","3","1") = "6"
    & skf21("5","7","2","1","3","1","4","1") = "6"
    & skf21("5","7","2","1","3","1","5","1") = "6"
    & skf21("5","7","2","1","3","1","6","1") = "6"
    & skf21("5","7","2","1","3","1","7","1") = "6"
    & skf21("5","7","2","1","3","2","1","1") = "6"
    & skf21("5","7","2","1","3","2","2","1") = "6"
    & skf21("5","7","2","1","3","2","3","1") = "6"
    & skf21("5","7","2","1","3","2","4","1") = "6"
    & skf21("5","7","2","1","3","2","5","1") = "6"
    & skf21("5","7","2","1","3","2","6","1") = "6"
    & skf21("5","7","2","1","3","2","7","1") = "6"
    & skf21("5","7","2","1","3","3","1","1") = "6"
    & skf21("5","7","2","1","3","3","2","1") = "6"
    & skf21("5","7","2","1","3","3","3","1") = "6"
    & skf21("5","7","2","1","3","3","4","1") = "6"
    & skf21("5","7","2","1","3","3","5","1") = "6"
    & skf21("5","7","2","1","3","3","6","1") = "6"
    & skf21("5","7","2","1","3","3","7","1") = "6"
    & skf21("5","7","2","1","3","4","1","1") = "6"
    & skf21("5","7","2","1","3","4","2","1") = "6"
    & skf21("5","7","2","1","3","4","3","1") = "6"
    & skf21("5","7","2","1","3","4","4","1") = "6"
    & skf21("5","7","2","1","3","4","5","1") = "6"
    & skf21("5","7","2","1","3","4","6","1") = "6"
    & skf21("5","7","2","1","3","4","7","1") = "6"
    & skf21("5","7","2","1","3","5","1","1") = "6"
    & skf21("5","7","2","1","3","5","2","1") = "6"
    & skf21("5","7","2","1","3","5","3","1") = "6"
    & skf21("5","7","2","1","3","5","4","1") = "6"
    & skf21("5","7","2","1","3","5","5","1") = "6"
    & skf21("5","7","2","1","3","5","6","1") = "6"
    & skf21("5","7","2","1","3","5","7","1") = "6"
    & skf21("5","7","2","1","3","6","1","1") = "6"
    & skf21("5","7","2","1","3","6","2","1") = "6"
    & skf21("5","7","2","1","3","6","3","1") = "6"
    & skf21("5","7","2","1","3","6","4","1") = "6"
    & skf21("5","7","2","1","3","6","5","1") = "6"
    & skf21("5","7","2","1","3","6","6","1") = "6"
    & skf21("5","7","2","1","3","6","7","1") = "6"
    & skf21("5","7","2","1","3","7","1","1") = "6"
    & skf21("5","7","2","1","3","7","2","1") = "6"
    & skf21("5","7","2","1","3","7","3","1") = "6"
    & skf21("5","7","2","1","3","7","4","1") = "6"
    & skf21("5","7","2","1","3","7","5","1") = "6"
    & skf21("5","7","2","1","3","7","6","1") = "6"
    & skf21("5","7","2","1","3","7","7","1") = "6"
    & skf21("5","7","2","1","4","1","1","1") = "6"
    & skf21("5","7","2","1","4","1","2","1") = "6"
    & skf21("5","7","2","1","4","1","3","1") = "6"
    & skf21("5","7","2","1","4","1","4","1") = "6"
    & skf21("5","7","2","1","4","1","5","1") = "6"
    & skf21("5","7","2","1","4","1","6","1") = "6"
    & skf21("5","7","2","1","4","1","7","1") = "6"
    & skf21("5","7","2","1","4","2","1","1") = "6"
    & skf21("5","7","2","1","4","2","2","1") = "6"
    & skf21("5","7","2","1","4","2","3","1") = "6"
    & skf21("5","7","2","1","4","2","4","1") = "6"
    & skf21("5","7","2","1","4","2","5","1") = "6"
    & skf21("5","7","2","1","4","2","6","1") = "6"
    & skf21("5","7","2","1","4","2","7","1") = "6"
    & skf21("5","7","2","1","4","3","1","1") = "6"
    & skf21("5","7","2","1","4","3","2","1") = "6"
    & skf21("5","7","2","1","4","3","3","1") = "6"
    & skf21("5","7","2","1","4","3","4","1") = "6"
    & skf21("5","7","2","1","4","3","5","1") = "6"
    & skf21("5","7","2","1","4","3","6","1") = "6"
    & skf21("5","7","2","1","4","3","7","1") = "6"
    & skf21("5","7","2","1","4","4","1","1") = "6"
    & skf21("5","7","2","1","4","4","2","1") = "6"
    & skf21("5","7","2","1","4","4","3","1") = "6"
    & skf21("5","7","2","1","4","4","4","1") = "6"
    & skf21("5","7","2","1","4","4","5","1") = "6"
    & skf21("5","7","2","1","4","4","6","1") = "6"
    & skf21("5","7","2","1","4","4","7","1") = "6"
    & skf21("5","7","2","1","4","5","1","1") = "6"
    & skf21("5","7","2","1","4","5","2","1") = "6"
    & skf21("5","7","2","1","4","5","3","1") = "6"
    & skf21("5","7","2","1","4","5","4","1") = "6"
    & skf21("5","7","2","1","4","5","5","1") = "6"
    & skf21("5","7","2","1","4","5","6","1") = "6"
    & skf21("5","7","2","1","4","5","7","1") = "6"
    & skf21("5","7","2","1","4","6","1","1") = "6"
    & skf21("5","7","2","1","4","6","2","1") = "6"
    & skf21("5","7","2","1","4","6","3","1") = "6"
    & skf21("5","7","2","1","4","6","4","1") = "6"
    & skf21("5","7","2","1","4","6","5","1") = "6"
    & skf21("5","7","2","1","4","6","6","1") = "6"
    & skf21("5","7","2","1","4","6","7","1") = "6"
    & skf21("5","7","2","1","4","7","1","1") = "6"
    & skf21("5","7","2","1","4","7","2","1") = "6"
    & skf21("5","7","2","1","4","7","3","1") = "6"
    & skf21("5","7","2","1","4","7","4","1") = "6"
    & skf21("5","7","2","1","4","7","5","1") = "6"
    & skf21("5","7","2","1","4","7","6","1") = "6"
    & skf21("5","7","2","1","4","7","7","1") = "6"
    & skf21("5","7","2","1","5","1","1","1") = "6"
    & skf21("5","7","2","1","5","1","2","1") = "6"
    & skf21("5","7","2","1","5","1","3","1") = "6"
    & skf21("5","7","2","1","5","1","4","1") = "6"
    & skf21("5","7","2","1","5","1","5","1") = "6"
    & skf21("5","7","2","1","5","1","6","1") = "6"
    & skf21("5","7","2","1","5","1","7","1") = "6"
    & skf21("5","7","2","1","5","2","1","1") = "6"
    & skf21("5","7","2","1","5","2","2","1") = "6"
    & skf21("5","7","2","1","5","2","3","1") = "6"
    & skf21("5","7","2","1","5","2","4","1") = "6"
    & skf21("5","7","2","1","5","2","5","1") = "6"
    & skf21("5","7","2","1","5","2","6","1") = "6"
    & skf21("5","7","2","1","5","2","7","1") = "6"
    & skf21("5","7","2","1","5","3","1","1") = "6"
    & skf21("5","7","2","1","5","3","2","1") = "6"
    & skf21("5","7","2","1","5","3","3","1") = "6"
    & skf21("5","7","2","1","5","3","4","1") = "6"
    & skf21("5","7","2","1","5","3","5","1") = "6"
    & skf21("5","7","2","1","5","3","6","1") = "6"
    & skf21("5","7","2","1","5","3","7","1") = "6"
    & skf21("5","7","2","1","5","4","1","1") = "6"
    & skf21("5","7","2","1","5","4","2","1") = "6"
    & skf21("5","7","2","1","5","4","3","1") = "6"
    & skf21("5","7","2","1","5","4","4","1") = "6"
    & skf21("5","7","2","1","5","4","5","1") = "6"
    & skf21("5","7","2","1","5","4","6","1") = "6"
    & skf21("5","7","2","1","5","4","7","1") = "6"
    & skf21("5","7","2","1","5","5","1","1") = "6"
    & skf21("5","7","2","1","5","5","2","1") = "6"
    & skf21("5","7","2","1","5","5","3","1") = "6"
    & skf21("5","7","2","1","5","5","4","1") = "6"
    & skf21("5","7","2","1","5","5","5","1") = "6"
    & skf21("5","7","2","1","5","5","6","1") = "6"
    & skf21("5","7","2","1","5","5","7","1") = "6"
    & skf21("5","7","2","1","5","6","1","1") = "6"
    & skf21("5","7","2","1","5","6","2","1") = "6"
    & skf21("5","7","2","1","5","6","3","1") = "6"
    & skf21("5","7","2","1","5","6","4","1") = "6"
    & skf21("5","7","2","1","5","6","5","1") = "6"
    & skf21("5","7","2","1","5","6","6","1") = "6"
    & skf21("5","7","2","1","5","6","7","1") = "6"
    & skf21("5","7","2","1","5","7","1","1") = "6"
    & skf21("5","7","2","1","5","7","2","1") = "6"
    & skf21("5","7","2","1","5","7","3","1") = "6"
    & skf21("5","7","2","1","5","7","4","1") = "6"
    & skf21("5","7","2","1","5","7","5","1") = "6"
    & skf21("5","7","2","1","5","7","6","1") = "6"
    & skf21("5","7","2","1","5","7","7","1") = "6"
    & skf21("5","7","2","1","6","1","1","1") = "6"
    & skf21("5","7","2","1","6","1","2","1") = "6"
    & skf21("5","7","2","1","6","1","3","1") = "6"
    & skf21("5","7","2","1","6","1","4","1") = "6"
    & skf21("5","7","2","1","6","1","5","1") = "6"
    & skf21("5","7","2","1","6","1","6","1") = "6"
    & skf21("5","7","2","1","6","1","7","1") = "6"
    & skf21("5","7","2","1","6","2","1","1") = "6"
    & skf21("5","7","2","1","6","2","2","1") = "6"
    & skf21("5","7","2","1","6","2","3","1") = "6"
    & skf21("5","7","2","1","6","2","4","1") = "6"
    & skf21("5","7","2","1","6","2","5","1") = "6"
    & skf21("5","7","2","1","6","2","6","1") = "6"
    & skf21("5","7","2","1","6","2","7","1") = "6"
    & skf21("5","7","2","1","6","3","1","1") = "6"
    & skf21("5","7","2","1","6","3","2","1") = "6"
    & skf21("5","7","2","1","6","3","3","1") = "6"
    & skf21("5","7","2","1","6","3","4","1") = "6"
    & skf21("5","7","2","1","6","3","5","1") = "6"
    & skf21("5","7","2","1","6","3","6","1") = "6"
    & skf21("5","7","2","1","6","3","7","1") = "6"
    & skf21("5","7","2","1","6","4","1","1") = "6"
    & skf21("5","7","2","1","6","4","2","1") = "6"
    & skf21("5","7","2","1","6","4","3","1") = "6"
    & skf21("5","7","2","1","6","4","4","1") = "6"
    & skf21("5","7","2","1","6","4","5","1") = "6"
    & skf21("5","7","2","1","6","4","6","1") = "6"
    & skf21("5","7","2","1","6","4","7","1") = "6"
    & skf21("5","7","2","1","6","5","1","1") = "6"
    & skf21("5","7","2","1","6","5","2","1") = "6"
    & skf21("5","7","2","1","6","5","3","1") = "6"
    & skf21("5","7","2","1","6","5","4","1") = "6"
    & skf21("5","7","2","1","6","5","5","1") = "6"
    & skf21("5","7","2","1","6","5","6","1") = "6"
    & skf21("5","7","2","1","6","5","7","1") = "6"
    & skf21("5","7","2","1","6","6","1","1") = "6"
    & skf21("5","7","2","1","6","6","2","1") = "6"
    & skf21("5","7","2","1","6","6","3","1") = "6"
    & skf21("5","7","2","1","6","6","4","1") = "6"
    & skf21("5","7","2","1","6","6","5","1") = "6"
    & skf21("5","7","2","1","6","6","6","1") = "6"
    & skf21("5","7","2","1","6","6","7","1") = "6"
    & skf21("5","7","2","1","6","7","1","1") = "6"
    & skf21("5","7","2","1","6","7","2","1") = "6"
    & skf21("5","7","2","1","6","7","3","1") = "6"
    & skf21("5","7","2","1","6","7","4","1") = "6"
    & skf21("5","7","2","1","6","7","5","1") = "6"
    & skf21("5","7","2","1","6","7","6","1") = "6"
    & skf21("5","7","2","1","6","7","7","1") = "6"
    & skf21("5","7","2","1","7","1","1","1") = "6"
    & skf21("5","7","2","1","7","1","2","1") = "6"
    & skf21("5","7","2","1","7","1","3","1") = "6"
    & skf21("5","7","2","1","7","1","4","1") = "6"
    & skf21("5","7","2","1","7","1","5","1") = "6"
    & skf21("5","7","2","1","7","1","6","1") = "6"
    & skf21("5","7","2","1","7","1","7","1") = "6"
    & skf21("5","7","2","1","7","2","1","1") = "6"
    & skf21("5","7","2","1","7","2","2","1") = "6"
    & skf21("5","7","2","1","7","2","3","1") = "6"
    & skf21("5","7","2","1","7","2","4","1") = "6"
    & skf21("5","7","2","1","7","2","5","1") = "6"
    & skf21("5","7","2","1","7","2","6","1") = "6"
    & skf21("5","7","2","1","7","2","7","1") = "6"
    & skf21("5","7","2","1","7","3","1","1") = "6"
    & skf21("5","7","2","1","7","3","2","1") = "6"
    & skf21("5","7","2","1","7","3","3","1") = "6"
    & skf21("5","7","2","1","7","3","4","1") = "6"
    & skf21("5","7","2","1","7","3","5","1") = "6"
    & skf21("5","7","2","1","7","3","6","1") = "6"
    & skf21("5","7","2","1","7","3","7","1") = "6"
    & skf21("5","7","2","1","7","4","1","1") = "6"
    & skf21("5","7","2","1","7","4","2","1") = "6"
    & skf21("5","7","2","1","7","4","3","1") = "6"
    & skf21("5","7","2","1","7","4","4","1") = "6"
    & skf21("5","7","2","1","7","4","5","1") = "6"
    & skf21("5","7","2","1","7","4","6","1") = "6"
    & skf21("5","7","2","1","7","4","7","1") = "6"
    & skf21("5","7","2","1","7","5","1","1") = "6"
    & skf21("5","7","2","1","7","5","2","1") = "6"
    & skf21("5","7","2","1","7","5","3","1") = "6"
    & skf21("5","7","2","1","7","5","4","1") = "6"
    & skf21("5","7","2","1","7","5","5","1") = "6"
    & skf21("5","7","2","1","7","5","6","1") = "6"
    & skf21("5","7","2","1","7","5","7","1") = "6"
    & skf21("5","7","2","1","7","6","1","1") = "6"
    & skf21("5","7","2","1","7","6","2","1") = "6"
    & skf21("5","7","2","1","7","6","3","1") = "6"
    & skf21("5","7","2","1","7","6","4","1") = "6"
    & skf21("5","7","2","1","7","6","5","1") = "6"
    & skf21("5","7","2","1","7","6","6","1") = "6"
    & skf21("5","7","2","1","7","6","7","1") = "6"
    & skf21("5","7","2","1","7","7","1","1") = "6"
    & skf21("5","7","2","1","7","7","2","1") = "6"
    & skf21("5","7","2","1","7","7","3","1") = "6"
    & skf21("5","7","2","1","7","7","4","1") = "6"
    & skf21("5","7","2","1","7","7","5","1") = "6"
    & skf21("5","7","2","1","7","7","6","1") = "6"
    & skf21("5","7","2","1","7","7","7","1") = "6"
    & skf21("5","7","2","2","1","1","1","1") = "6"
    & skf21("5","7","2","2","1","1","2","1") = "6"
    & skf21("5","7","2","2","1","1","3","1") = "6"
    & skf21("5","7","2","2","1","1","4","1") = "6"
    & skf21("5","7","2","2","1","1","5","1") = "6"
    & skf21("5","7","2","2","1","1","6","1") = "6"
    & skf21("5","7","2","2","1","1","7","1") = "6"
    & skf21("5","7","2","2","1","2","1","1") = "6"
    & skf21("5","7","2","2","1","2","2","1") = "6"
    & skf21("5","7","2","2","1","2","3","1") = "6"
    & skf21("5","7","2","2","1","2","4","1") = "6"
    & skf21("5","7","2","2","1","2","5","1") = "6"
    & skf21("5","7","2","2","1","2","6","1") = "6"
    & skf21("5","7","2","2","1","2","7","1") = "6"
    & skf21("5","7","2","2","1","3","1","1") = "6"
    & skf21("5","7","2","2","1","3","2","1") = "6"
    & skf21("5","7","2","2","1","3","3","1") = "6"
    & skf21("5","7","2","2","1","3","4","1") = "6"
    & skf21("5","7","2","2","1","3","5","1") = "6"
    & skf21("5","7","2","2","1","3","6","1") = "6"
    & skf21("5","7","2","2","1","3","7","1") = "6"
    & skf21("5","7","2","2","1","4","1","1") = "6"
    & skf21("5","7","2","2","1","4","2","1") = "6"
    & skf21("5","7","2","2","1","4","3","1") = "6"
    & skf21("5","7","2","2","1","4","4","1") = "6"
    & skf21("5","7","2","2","1","4","5","1") = "6"
    & skf21("5","7","2","2","1","4","6","1") = "6"
    & skf21("5","7","2","2","1","4","7","1") = "6"
    & skf21("5","7","2","2","1","5","1","1") = "6"
    & skf21("5","7","2","2","1","5","2","1") = "6"
    & skf21("5","7","2","2","1","5","3","1") = "6"
    & skf21("5","7","2","2","1","5","4","1") = "6"
    & skf21("5","7","2","2","1","5","5","1") = "6"
    & skf21("5","7","2","2","1","5","6","1") = "6"
    & skf21("5","7","2","2","1","5","7","1") = "6"
    & skf21("5","7","2","2","1","6","1","1") = "6"
    & skf21("5","7","2","2","1","6","2","1") = "6"
    & skf21("5","7","2","2","1","6","3","1") = "6"
    & skf21("5","7","2","2","1","6","4","1") = "6"
    & skf21("5","7","2","2","1","6","5","1") = "6"
    & skf21("5","7","2","2","1","6","6","1") = "6"
    & skf21("5","7","2","2","1","6","7","1") = "6"
    & skf21("5","7","2","2","1","7","1","1") = "6"
    & skf21("5","7","2","2","1","7","2","1") = "6"
    & skf21("5","7","2","2","1","7","3","1") = "6"
    & skf21("5","7","2","2","1","7","4","1") = "6"
    & skf21("5","7","2","2","1","7","5","1") = "6"
    & skf21("5","7","2","2","1","7","6","1") = "6"
    & skf21("5","7","2","2","1","7","7","1") = "6"
    & skf21("5","7","2","2","2","1","1","1") = "6"
    & skf21("5","7","2","2","2","1","2","1") = "6"
    & skf21("5","7","2","2","2","1","3","1") = "6"
    & skf21("5","7","2","2","2","1","4","1") = "6"
    & skf21("5","7","2","2","2","1","5","1") = "6"
    & skf21("5","7","2","2","2","1","6","1") = "6"
    & skf21("5","7","2","2","2","1","7","1") = "6"
    & skf21("5","7","2","2","2","2","1","1") = "6"
    & skf21("5","7","2","2","2","2","2","1") = "6"
    & skf21("5","7","2","2","2","2","3","1") = "6"
    & skf21("5","7","2","2","2","2","4","1") = "6"
    & skf21("5","7","2","2","2","2","5","1") = "6"
    & skf21("5","7","2","2","2","2","6","1") = "6"
    & skf21("5","7","2","2","2","2","7","1") = "6"
    & skf21("5","7","2","2","2","3","1","1") = "6"
    & skf21("5","7","2","2","2","3","2","1") = "6"
    & skf21("5","7","2","2","2","3","3","1") = "6"
    & skf21("5","7","2","2","2","3","4","1") = "6"
    & skf21("5","7","2","2","2","3","5","1") = "6"
    & skf21("5","7","2","2","2","3","6","1") = "6"
    & skf21("5","7","2","2","2","3","7","1") = "6"
    & skf21("5","7","2","2","2","4","1","1") = "6"
    & skf21("5","7","2","2","2","4","2","1") = "6"
    & skf21("5","7","2","2","2","4","3","1") = "6"
    & skf21("5","7","2","2","2","4","4","1") = "6"
    & skf21("5","7","2","2","2","4","5","1") = "6"
    & skf21("5","7","2","2","2","4","6","1") = "6"
    & skf21("5","7","2","2","2","4","7","1") = "6"
    & skf21("5","7","2","2","2","5","1","1") = "6"
    & skf21("5","7","2","2","2","5","2","1") = "6"
    & skf21("5","7","2","2","2","5","3","1") = "6"
    & skf21("5","7","2","2","2","5","4","1") = "6"
    & skf21("5","7","2","2","2","5","5","1") = "6"
    & skf21("5","7","2","2","2","5","6","1") = "6"
    & skf21("5","7","2","2","2","5","7","1") = "6"
    & skf21("5","7","2","2","2","6","1","1") = "6"
    & skf21("5","7","2","2","2","6","2","1") = "6"
    & skf21("5","7","2","2","2","6","3","1") = "6"
    & skf21("5","7","2","2","2","6","4","1") = "6"
    & skf21("5","7","2","2","2","6","5","1") = "6"
    & skf21("5","7","2","2","2","6","6","1") = "6"
    & skf21("5","7","2","2","2","6","7","1") = "6"
    & skf21("5","7","2","2","2","7","1","1") = "6"
    & skf21("5","7","2","2","2","7","2","1") = "6"
    & skf21("5","7","2","2","2","7","3","1") = "6"
    & skf21("5","7","2","2","2","7","4","1") = "6"
    & skf21("5","7","2","2","2","7","5","1") = "6"
    & skf21("5","7","2","2","2","7","6","1") = "6"
    & skf21("5","7","2","2","2","7","7","1") = "6"
    & skf21("5","7","2","2","3","1","1","1") = "6"
    & skf21("5","7","2","2","3","1","2","1") = "6"
    & skf21("5","7","2","2","3","1","3","1") = "6"
    & skf21("5","7","2","2","3","1","4","1") = "6"
    & skf21("5","7","2","2","3","1","5","1") = "6"
    & skf21("5","7","2","2","3","1","6","1") = "6"
    & skf21("5","7","2","2","3","1","7","1") = "6"
    & skf21("5","7","2","2","3","2","1","1") = "6"
    & skf21("5","7","2","2","3","2","2","1") = "6"
    & skf21("5","7","2","2","3","2","3","1") = "6"
    & skf21("5","7","2","2","3","2","4","1") = "6"
    & skf21("5","7","2","2","3","2","5","1") = "6"
    & skf21("5","7","2","2","3","2","6","1") = "6"
    & skf21("5","7","2","2","3","2","7","1") = "6"
    & skf21("5","7","2","2","3","3","1","1") = "6"
    & skf21("5","7","2","2","3","3","2","1") = "6"
    & skf21("5","7","2","2","3","3","3","1") = "6"
    & skf21("5","7","2","2","3","3","4","1") = "6"
    & skf21("5","7","2","2","3","3","5","1") = "6"
    & skf21("5","7","2","2","3","3","6","1") = "6"
    & skf21("5","7","2","2","3","3","7","1") = "6"
    & skf21("5","7","2","2","3","4","1","1") = "6"
    & skf21("5","7","2","2","3","4","2","1") = "6"
    & skf21("5","7","2","2","3","4","3","1") = "6"
    & skf21("5","7","2","2","3","4","4","1") = "6"
    & skf21("5","7","2","2","3","4","5","1") = "6"
    & skf21("5","7","2","2","3","4","6","1") = "6"
    & skf21("5","7","2","2","3","4","7","1") = "6"
    & skf21("5","7","2","2","3","5","1","1") = "6"
    & skf21("5","7","2","2","3","5","2","1") = "6"
    & skf21("5","7","2","2","3","5","3","1") = "6"
    & skf21("5","7","2","2","3","5","4","1") = "6"
    & skf21("5","7","2","2","3","5","5","1") = "6"
    & skf21("5","7","2","2","3","5","6","1") = "6"
    & skf21("5","7","2","2","3","5","7","1") = "6"
    & skf21("5","7","2","2","3","6","1","1") = "6"
    & skf21("5","7","2","2","3","6","2","1") = "6"
    & skf21("5","7","2","2","3","6","3","1") = "6"
    & skf21("5","7","2","2","3","6","4","1") = "6"
    & skf21("5","7","2","2","3","6","5","1") = "6"
    & skf21("5","7","2","2","3","6","6","1") = "6"
    & skf21("5","7","2","2","3","6","7","1") = "6"
    & skf21("5","7","2","2","3","7","1","1") = "6"
    & skf21("5","7","2","2","3","7","2","1") = "6"
    & skf21("5","7","2","2","3","7","3","1") = "6"
    & skf21("5","7","2","2","3","7","4","1") = "6"
    & skf21("5","7","2","2","3","7","5","1") = "6"
    & skf21("5","7","2","2","3","7","6","1") = "6"
    & skf21("5","7","2","2","3","7","7","1") = "6"
    & skf21("5","7","2","2","4","1","1","1") = "6"
    & skf21("5","7","2","2","4","1","2","1") = "6"
    & skf21("5","7","2","2","4","1","3","1") = "6"
    & skf21("5","7","2","2","4","1","4","1") = "6"
    & skf21("5","7","2","2","4","1","5","1") = "6"
    & skf21("5","7","2","2","4","1","6","1") = "6"
    & skf21("5","7","2","2","4","1","7","1") = "6"
    & skf21("5","7","2","2","4","2","1","1") = "6"
    & skf21("5","7","2","2","4","2","2","1") = "6"
    & skf21("5","7","2","2","4","2","3","1") = "6"
    & skf21("5","7","2","2","4","2","4","1") = "6"
    & skf21("5","7","2","2","4","2","5","1") = "6"
    & skf21("5","7","2","2","4","2","6","1") = "6"
    & skf21("5","7","2","2","4","2","7","1") = "6"
    & skf21("5","7","2","2","4","3","1","1") = "6"
    & skf21("5","7","2","2","4","3","2","1") = "6"
    & skf21("5","7","2","2","4","3","3","1") = "6"
    & skf21("5","7","2","2","4","3","4","1") = "6"
    & skf21("5","7","2","2","4","3","5","1") = "6"
    & skf21("5","7","2","2","4","3","6","1") = "6"
    & skf21("5","7","2","2","4","3","7","1") = "6"
    & skf21("5","7","2","2","4","4","1","1") = "6"
    & skf21("5","7","2","2","4","4","2","1") = "6"
    & skf21("5","7","2","2","4","4","3","1") = "6"
    & skf21("5","7","2","2","4","4","4","1") = "6"
    & skf21("5","7","2","2","4","4","5","1") = "6"
    & skf21("5","7","2","2","4","4","6","1") = "6"
    & skf21("5","7","2","2","4","4","7","1") = "6"
    & skf21("5","7","2","2","4","5","1","1") = "6"
    & skf21("5","7","2","2","4","5","2","1") = "6"
    & skf21("5","7","2","2","4","5","3","1") = "6"
    & skf21("5","7","2","2","4","5","4","1") = "6"
    & skf21("5","7","2","2","4","5","5","1") = "6"
    & skf21("5","7","2","2","4","5","6","1") = "6"
    & skf21("5","7","2","2","4","5","7","1") = "6"
    & skf21("5","7","2","2","4","6","1","1") = "6"
    & skf21("5","7","2","2","4","6","2","1") = "6"
    & skf21("5","7","2","2","4","6","3","1") = "6"
    & skf21("5","7","2","2","4","6","4","1") = "6"
    & skf21("5","7","2","2","4","6","5","1") = "6"
    & skf21("5","7","2","2","4","6","6","1") = "6"
    & skf21("5","7","2","2","4","6","7","1") = "6"
    & skf21("5","7","2","2","4","7","1","1") = "6"
    & skf21("5","7","2","2","4","7","2","1") = "6"
    & skf21("5","7","2","2","4","7","3","1") = "6"
    & skf21("5","7","2","2","4","7","4","1") = "6"
    & skf21("5","7","2","2","4","7","5","1") = "6"
    & skf21("5","7","2","2","4","7","6","1") = "6"
    & skf21("5","7","2","2","4","7","7","1") = "6"
    & skf21("5","7","2","2","5","1","1","1") = "6"
    & skf21("5","7","2","2","5","1","2","1") = "6"
    & skf21("5","7","2","2","5","1","3","1") = "6"
    & skf21("5","7","2","2","5","1","4","1") = "6"
    & skf21("5","7","2","2","5","1","5","1") = "6"
    & skf21("5","7","2","2","5","1","6","1") = "6"
    & skf21("5","7","2","2","5","1","7","1") = "6"
    & skf21("5","7","2","2","5","2","1","1") = "6"
    & skf21("5","7","2","2","5","2","2","1") = "6"
    & skf21("5","7","2","2","5","2","3","1") = "6"
    & skf21("5","7","2","2","5","2","4","1") = "6"
    & skf21("5","7","2","2","5","2","5","1") = "6"
    & skf21("5","7","2","2","5","2","6","1") = "6"
    & skf21("5","7","2","2","5","2","7","1") = "6"
    & skf21("5","7","2","2","5","3","1","1") = "6"
    & skf21("5","7","2","2","5","3","2","1") = "6"
    & skf21("5","7","2","2","5","3","3","1") = "6"
    & skf21("5","7","2","2","5","3","4","1") = "6"
    & skf21("5","7","2","2","5","3","5","1") = "6"
    & skf21("5","7","2","2","5","3","6","1") = "6"
    & skf21("5","7","2","2","5","3","7","1") = "6"
    & skf21("5","7","2","2","5","4","1","1") = "6"
    & skf21("5","7","2","2","5","4","2","1") = "6"
    & skf21("5","7","2","2","5","4","3","1") = "6"
    & skf21("5","7","2","2","5","4","4","1") = "6"
    & skf21("5","7","2","2","5","4","5","1") = "6"
    & skf21("5","7","2","2","5","4","6","1") = "6"
    & skf21("5","7","2","2","5","4","7","1") = "6"
    & skf21("5","7","2","2","5","5","1","1") = "6"
    & skf21("5","7","2","2","5","5","2","1") = "6"
    & skf21("5","7","2","2","5","5","3","1") = "6"
    & skf21("5","7","2","2","5","5","4","1") = "6"
    & skf21("5","7","2","2","5","5","5","1") = "6"
    & skf21("5","7","2","2","5","5","6","1") = "6"
    & skf21("5","7","2","2","5","5","7","1") = "6"
    & skf21("5","7","2","2","5","6","1","1") = "6"
    & skf21("5","7","2","2","5","6","2","1") = "6"
    & skf21("5","7","2","2","5","6","3","1") = "6"
    & skf21("5","7","2","2","5","6","4","1") = "6"
    & skf21("5","7","2","2","5","6","5","1") = "6"
    & skf21("5","7","2","2","5","6","6","1") = "6"
    & skf21("5","7","2","2","5","6","7","1") = "6"
    & skf21("5","7","2","2","5","7","1","1") = "6"
    & skf21("5","7","2","2","5","7","2","1") = "6"
    & skf21("5","7","2","2","5","7","3","1") = "6"
    & skf21("5","7","2","2","5","7","4","1") = "6"
    & skf21("5","7","2","2","5","7","5","1") = "6"
    & skf21("5","7","2","2","5","7","6","1") = "6"
    & skf21("5","7","2","2","5","7","7","1") = "6"
    & skf21("5","7","2","2","6","1","1","1") = "6"
    & skf21("5","7","2","2","6","1","2","1") = "6"
    & skf21("5","7","2","2","6","1","3","1") = "6"
    & skf21("5","7","2","2","6","1","4","1") = "6"
    & skf21("5","7","2","2","6","1","5","1") = "6"
    & skf21("5","7","2","2","6","1","6","1") = "6"
    & skf21("5","7","2","2","6","1","7","1") = "6"
    & skf21("5","7","2","2","6","2","1","1") = "6"
    & skf21("5","7","2","2","6","2","2","1") = "6"
    & skf21("5","7","2","2","6","2","3","1") = "6"
    & skf21("5","7","2","2","6","2","4","1") = "6"
    & skf21("5","7","2","2","6","2","5","1") = "6"
    & skf21("5","7","2","2","6","2","6","1") = "6"
    & skf21("5","7","2","2","6","2","7","1") = "6"
    & skf21("5","7","2","2","6","3","1","1") = "6"
    & skf21("5","7","2","2","6","3","2","1") = "6"
    & skf21("5","7","2","2","6","3","3","1") = "6"
    & skf21("5","7","2","2","6","3","4","1") = "6"
    & skf21("5","7","2","2","6","3","5","1") = "6"
    & skf21("5","7","2","2","6","3","6","1") = "6"
    & skf21("5","7","2","2","6","3","7","1") = "6"
    & skf21("5","7","2","2","6","4","1","1") = "6"
    & skf21("5","7","2","2","6","4","2","1") = "6"
    & skf21("5","7","2","2","6","4","3","1") = "6"
    & skf21("5","7","2","2","6","4","4","1") = "6"
    & skf21("5","7","2","2","6","4","5","1") = "6"
    & skf21("5","7","2","2","6","4","6","1") = "6"
    & skf21("5","7","2","2","6","4","7","1") = "6"
    & skf21("5","7","2","2","6","5","1","1") = "6"
    & skf21("5","7","2","2","6","5","2","1") = "6"
    & skf21("5","7","2","2","6","5","3","1") = "6"
    & skf21("5","7","2","2","6","5","4","1") = "6"
    & skf21("5","7","2","2","6","5","5","1") = "6"
    & skf21("5","7","2","2","6","5","6","1") = "6"
    & skf21("5","7","2","2","6","5","7","1") = "6"
    & skf21("5","7","2","2","6","6","1","1") = "6"
    & skf21("5","7","2","2","6","6","2","1") = "6"
    & skf21("5","7","2","2","6","6","3","1") = "6"
    & skf21("5","7","2","2","6","6","4","1") = "6"
    & skf21("5","7","2","2","6","6","5","1") = "6"
    & skf21("5","7","2","2","6","6","6","1") = "6"
    & skf21("5","7","2","2","6","6","7","1") = "6"
    & skf21("5","7","2","2","6","7","1","1") = "6"
    & skf21("5","7","2","2","6","7","2","1") = "6"
    & skf21("5","7","2","2","6","7","3","1") = "6"
    & skf21("5","7","2","2","6","7","4","1") = "6"
    & skf21("5","7","2","2","6","7","5","1") = "6"
    & skf21("5","7","2","2","6","7","6","1") = "6"
    & skf21("5","7","2","2","6","7","7","1") = "6"
    & skf21("5","7","2","2","7","1","1","1") = "6"
    & skf21("5","7","2","2","7","1","2","1") = "6"
    & skf21("5","7","2","2","7","1","3","1") = "6"
    & skf21("5","7","2","2","7","1","4","1") = "6"
    & skf21("5","7","2","2","7","1","5","1") = "6"
    & skf21("5","7","2","2","7","1","6","1") = "6"
    & skf21("5","7","2","2","7","1","7","1") = "6"
    & skf21("5","7","2","2","7","2","1","1") = "6"
    & skf21("5","7","2","2","7","2","2","1") = "6"
    & skf21("5","7","2","2","7","2","3","1") = "6"
    & skf21("5","7","2","2","7","2","4","1") = "6"
    & skf21("5","7","2","2","7","2","5","1") = "6"
    & skf21("5","7","2","2","7","2","6","1") = "6"
    & skf21("5","7","2","2","7","2","7","1") = "6"
    & skf21("5","7","2","2","7","3","1","1") = "6"
    & skf21("5","7","2","2","7","3","2","1") = "6"
    & skf21("5","7","2","2","7","3","3","1") = "6"
    & skf21("5","7","2","2","7","3","4","1") = "6"
    & skf21("5","7","2","2","7","3","5","1") = "6"
    & skf21("5","7","2","2","7","3","6","1") = "6"
    & skf21("5","7","2","2","7","3","7","1") = "6"
    & skf21("5","7","2","2","7","4","1","1") = "6"
    & skf21("5","7","2","2","7","4","2","1") = "6"
    & skf21("5","7","2","2","7","4","3","1") = "6"
    & skf21("5","7","2","2","7","4","4","1") = "6"
    & skf21("5","7","2","2","7","4","5","1") = "6"
    & skf21("5","7","2","2","7","4","6","1") = "6"
    & skf21("5","7","2","2","7","4","7","1") = "6"
    & skf21("5","7","2","2","7","5","1","1") = "6"
    & skf21("5","7","2","2","7","5","2","1") = "6"
    & skf21("5","7","2","2","7","5","3","1") = "6"
    & skf21("5","7","2","2","7","5","4","1") = "6"
    & skf21("5","7","2","2","7","5","5","1") = "6"
    & skf21("5","7","2","2","7","5","6","1") = "6"
    & skf21("5","7","2","2","7","5","7","1") = "6"
    & skf21("5","7","2","2","7","6","1","1") = "6"
    & skf21("5","7","2","2","7","6","2","1") = "6"
    & skf21("5","7","2","2","7","6","3","1") = "6"
    & skf21("5","7","2","2","7","6","4","1") = "6"
    & skf21("5","7","2","2","7","6","5","1") = "6"
    & skf21("5","7","2","2","7","6","6","1") = "6"
    & skf21("5","7","2","2","7","6","7","1") = "6"
    & skf21("5","7","2","2","7","7","1","1") = "6"
    & skf21("5","7","2","2","7","7","2","1") = "6"
    & skf21("5","7","2","2","7","7","3","1") = "6"
    & skf21("5","7","2","2","7","7","4","1") = "6"
    & skf21("5","7","2","2","7","7","5","1") = "6"
    & skf21("5","7","2","2","7","7","6","1") = "6"
    & skf21("5","7","2","2","7","7","7","1") = "6"
    & skf21("5","7","2","3","1","1","1","1") = "6"
    & skf21("5","7","2","3","1","1","2","1") = "6"
    & skf21("5","7","2","3","1","1","3","1") = "6"
    & skf21("5","7","2","3","1","1","4","1") = "6"
    & skf21("5","7","2","3","1","1","5","1") = "6"
    & skf21("5","7","2","3","1","1","6","1") = "6"
    & skf21("5","7","2","3","1","1","7","1") = "6"
    & skf21("5","7","2","3","1","2","1","1") = "6"
    & skf21("5","7","2","3","1","2","2","1") = "6"
    & skf21("5","7","2","3","1","2","3","1") = "6"
    & skf21("5","7","2","3","1","2","4","1") = "6"
    & skf21("5","7","2","3","1","2","5","1") = "6"
    & skf21("5","7","2","3","1","2","6","1") = "6"
    & skf21("5","7","2","3","1","2","7","1") = "6"
    & skf21("5","7","2","3","1","3","1","1") = "6"
    & skf21("5","7","2","3","1","3","2","1") = "6"
    & skf21("5","7","2","3","1","3","3","1") = "6"
    & skf21("5","7","2","3","1","3","4","1") = "6"
    & skf21("5","7","2","3","1","3","5","1") = "6"
    & skf21("5","7","2","3","1","3","6","1") = "6"
    & skf21("5","7","2","3","1","3","7","1") = "6"
    & skf21("5","7","2","3","1","4","1","1") = "6"
    & skf21("5","7","2","3","1","4","2","1") = "6"
    & skf21("5","7","2","3","1","4","3","1") = "6"
    & skf21("5","7","2","3","1","4","4","1") = "6"
    & skf21("5","7","2","3","1","4","5","1") = "6"
    & skf21("5","7","2","3","1","4","6","1") = "6"
    & skf21("5","7","2","3","1","4","7","1") = "6"
    & skf21("5","7","2","3","1","5","1","1") = "6"
    & skf21("5","7","2","3","1","5","2","1") = "6"
    & skf21("5","7","2","3","1","5","3","1") = "6"
    & skf21("5","7","2","3","1","5","4","1") = "6"
    & skf21("5","7","2","3","1","5","5","1") = "6"
    & skf21("5","7","2","3","1","5","6","1") = "6"
    & skf21("5","7","2","3","1","5","7","1") = "6"
    & skf21("5","7","2","3","1","6","1","1") = "6"
    & skf21("5","7","2","3","1","6","2","1") = "6"
    & skf21("5","7","2","3","1","6","3","1") = "6"
    & skf21("5","7","2","3","1","6","4","1") = "6"
    & skf21("5","7","2","3","1","6","5","1") = "6"
    & skf21("5","7","2","3","1","6","6","1") = "6"
    & skf21("5","7","2","3","1","6","7","1") = "6"
    & skf21("5","7","2","3","1","7","1","1") = "6"
    & skf21("5","7","2","3","1","7","2","1") = "6"
    & skf21("5","7","2","3","1","7","3","1") = "6"
    & skf21("5","7","2","3","1","7","4","1") = "6"
    & skf21("5","7","2","3","1","7","5","1") = "6"
    & skf21("5","7","2","3","1","7","6","1") = "6"
    & skf21("5","7","2","3","1","7","7","1") = "6"
    & skf21("5","7","2","3","2","1","1","1") = "6"
    & skf21("5","7","2","3","2","1","2","1") = "6"
    & skf21("5","7","2","3","2","1","3","1") = "6"
    & skf21("5","7","2","3","2","1","4","1") = "6"
    & skf21("5","7","2","3","2","1","5","1") = "6"
    & skf21("5","7","2","3","2","1","6","1") = "6"
    & skf21("5","7","2","3","2","1","7","1") = "6"
    & skf21("5","7","2","3","2","2","1","1") = "6"
    & skf21("5","7","2","3","2","2","2","1") = "6"
    & skf21("5","7","2","3","2","2","3","1") = "6"
    & skf21("5","7","2","3","2","2","4","1") = "6"
    & skf21("5","7","2","3","2","2","5","1") = "6"
    & skf21("5","7","2","3","2","2","6","1") = "6"
    & skf21("5","7","2","3","2","2","7","1") = "6"
    & skf21("5","7","2","3","2","3","1","1") = "6"
    & skf21("5","7","2","3","2","3","2","1") = "6"
    & skf21("5","7","2","3","2","3","3","1") = "6"
    & skf21("5","7","2","3","2","3","4","1") = "6"
    & skf21("5","7","2","3","2","3","5","1") = "6"
    & skf21("5","7","2","3","2","3","6","1") = "6"
    & skf21("5","7","2","3","2","3","7","1") = "6"
    & skf21("5","7","2","3","2","4","1","1") = "6"
    & skf21("5","7","2","3","2","4","2","1") = "6"
    & skf21("5","7","2","3","2","4","3","1") = "6"
    & skf21("5","7","2","3","2","4","4","1") = "6"
    & skf21("5","7","2","3","2","4","5","1") = "6"
    & skf21("5","7","2","3","2","4","6","1") = "6"
    & skf21("5","7","2","3","2","4","7","1") = "6"
    & skf21("5","7","2","3","2","5","1","1") = "6"
    & skf21("5","7","2","3","2","5","2","1") = "6"
    & skf21("5","7","2","3","2","5","3","1") = "6"
    & skf21("5","7","2","3","2","5","4","1") = "6"
    & skf21("5","7","2","3","2","5","5","1") = "6"
    & skf21("5","7","2","3","2","5","6","1") = "6"
    & skf21("5","7","2","3","2","5","7","1") = "6"
    & skf21("5","7","2","3","2","6","1","1") = "6"
    & skf21("5","7","2","3","2","6","2","1") = "6"
    & skf21("5","7","2","3","2","6","3","1") = "6"
    & skf21("5","7","2","3","2","6","4","1") = "6"
    & skf21("5","7","2","3","2","6","5","1") = "6"
    & skf21("5","7","2","3","2","6","6","1") = "6"
    & skf21("5","7","2","3","2","6","7","1") = "6"
    & skf21("5","7","2","3","2","7","1","1") = "6"
    & skf21("5","7","2","3","2","7","2","1") = "6"
    & skf21("5","7","2","3","2","7","3","1") = "6"
    & skf21("5","7","2","3","2","7","4","1") = "6"
    & skf21("5","7","2","3","2","7","5","1") = "6"
    & skf21("5","7","2","3","2","7","6","1") = "6"
    & skf21("5","7","2","3","2","7","7","1") = "6"
    & skf21("5","7","2","3","3","1","1","1") = "6"
    & skf21("5","7","2","3","3","1","2","1") = "6"
    & skf21("5","7","2","3","3","1","3","1") = "6"
    & skf21("5","7","2","3","3","1","4","1") = "6"
    & skf21("5","7","2","3","3","1","5","1") = "6"
    & skf21("5","7","2","3","3","1","6","1") = "6"
    & skf21("5","7","2","3","3","1","7","1") = "6"
    & skf21("5","7","2","3","3","2","1","1") = "6"
    & skf21("5","7","2","3","3","2","2","1") = "6"
    & skf21("5","7","2","3","3","2","3","1") = "6"
    & skf21("5","7","2","3","3","2","4","1") = "6"
    & skf21("5","7","2","3","3","2","5","1") = "6"
    & skf21("5","7","2","3","3","2","6","1") = "6"
    & skf21("5","7","2","3","3","2","7","1") = "6"
    & skf21("5","7","2","3","3","3","1","1") = "6"
    & skf21("5","7","2","3","3","3","2","1") = "6"
    & skf21("5","7","2","3","3","3","3","1") = "6"
    & skf21("5","7","2","3","3","3","4","1") = "6"
    & skf21("5","7","2","3","3","3","5","1") = "6"
    & skf21("5","7","2","3","3","3","6","1") = "6"
    & skf21("5","7","2","3","3","3","7","1") = "6"
    & skf21("5","7","2","3","3","4","1","1") = "6"
    & skf21("5","7","2","3","3","4","2","1") = "6"
    & skf21("5","7","2","3","3","4","3","1") = "6"
    & skf21("5","7","2","3","3","4","4","1") = "6"
    & skf21("5","7","2","3","3","4","5","1") = "6"
    & skf21("5","7","2","3","3","4","6","1") = "6"
    & skf21("5","7","2","3","3","4","7","1") = "6"
    & skf21("5","7","2","3","3","5","1","1") = "6"
    & skf21("5","7","2","3","3","5","2","1") = "6"
    & skf21("5","7","2","3","3","5","3","1") = "6"
    & skf21("5","7","2","3","3","5","4","1") = "6"
    & skf21("5","7","2","3","3","5","5","1") = "6"
    & skf21("5","7","2","3","3","5","6","1") = "6"
    & skf21("5","7","2","3","3","5","7","1") = "6"
    & skf21("5","7","2","3","3","6","1","1") = "6"
    & skf21("5","7","2","3","3","6","2","1") = "6"
    & skf21("5","7","2","3","3","6","3","1") = "6"
    & skf21("5","7","2","3","3","6","4","1") = "6"
    & skf21("5","7","2","3","3","6","5","1") = "6"
    & skf21("5","7","2","3","3","6","6","1") = "6"
    & skf21("5","7","2","3","3","6","7","1") = "6"
    & skf21("5","7","2","3","3","7","1","1") = "6"
    & skf21("5","7","2","3","3","7","2","1") = "6"
    & skf21("5","7","2","3","3","7","3","1") = "6"
    & skf21("5","7","2","3","3","7","4","1") = "6"
    & skf21("5","7","2","3","3","7","5","1") = "6"
    & skf21("5","7","2","3","3","7","6","1") = "6"
    & skf21("5","7","2","3","3","7","7","1") = "6"
    & skf21("5","7","2","3","4","1","1","1") = "6"
    & skf21("5","7","2","3","4","1","2","1") = "6"
    & skf21("5","7","2","3","4","1","3","1") = "6"
    & skf21("5","7","2","3","4","1","4","1") = "6"
    & skf21("5","7","2","3","4","1","5","1") = "6"
    & skf21("5","7","2","3","4","1","6","1") = "6"
    & skf21("5","7","2","3","4","1","7","1") = "6"
    & skf21("5","7","2","3","4","2","1","1") = "6"
    & skf21("5","7","2","3","4","2","2","1") = "6"
    & skf21("5","7","2","3","4","2","3","1") = "6"
    & skf21("5","7","2","3","4","2","4","1") = "6"
    & skf21("5","7","2","3","4","2","5","1") = "6"
    & skf21("5","7","2","3","4","2","6","1") = "6"
    & skf21("5","7","2","3","4","2","7","1") = "6"
    & skf21("5","7","2","3","4","3","1","1") = "6"
    & skf21("5","7","2","3","4","3","2","1") = "6"
    & skf21("5","7","2","3","4","3","3","1") = "6"
    & skf21("5","7","2","3","4","3","4","1") = "6"
    & skf21("5","7","2","3","4","3","5","1") = "6"
    & skf21("5","7","2","3","4","3","6","1") = "6"
    & skf21("5","7","2","3","4","3","7","1") = "6"
    & skf21("5","7","2","3","4","4","1","1") = "6"
    & skf21("5","7","2","3","4","4","2","1") = "6"
    & skf21("5","7","2","3","4","4","3","1") = "6"
    & skf21("5","7","2","3","4","4","4","1") = "6"
    & skf21("5","7","2","3","4","4","5","1") = "6"
    & skf21("5","7","2","3","4","4","6","1") = "6"
    & skf21("5","7","2","3","4","4","7","1") = "6"
    & skf21("5","7","2","3","4","5","1","1") = "6"
    & skf21("5","7","2","3","4","5","2","1") = "6"
    & skf21("5","7","2","3","4","5","3","1") = "6"
    & skf21("5","7","2","3","4","5","4","1") = "6"
    & skf21("5","7","2","3","4","5","5","1") = "6"
    & skf21("5","7","2","3","4","5","6","1") = "6"
    & skf21("5","7","2","3","4","5","7","1") = "6"
    & skf21("5","7","2","3","4","6","1","1") = "6"
    & skf21("5","7","2","3","4","6","2","1") = "6"
    & skf21("5","7","2","3","4","6","3","1") = "6"
    & skf21("5","7","2","3","4","6","4","1") = "6"
    & skf21("5","7","2","3","4","6","5","1") = "6"
    & skf21("5","7","2","3","4","6","6","1") = "6"
    & skf21("5","7","2","3","4","6","7","1") = "6"
    & skf21("5","7","2","3","4","7","1","1") = "6"
    & skf21("5","7","2","3","4","7","2","1") = "6"
    & skf21("5","7","2","3","4","7","3","1") = "6"
    & skf21("5","7","2","3","4","7","4","1") = "6"
    & skf21("5","7","2","3","4","7","5","1") = "6"
    & skf21("5","7","2","3","4","7","6","1") = "6"
    & skf21("5","7","2","3","4","7","7","1") = "6"
    & skf21("5","7","2","3","5","1","1","1") = "6"
    & skf21("5","7","2","3","5","1","2","1") = "6"
    & skf21("5","7","2","3","5","1","3","1") = "6"
    & skf21("5","7","2","3","5","1","4","1") = "6"
    & skf21("5","7","2","3","5","1","5","1") = "6"
    & skf21("5","7","2","3","5","1","6","1") = "6"
    & skf21("5","7","2","3","5","1","7","1") = "6"
    & skf21("5","7","2","3","5","2","1","1") = "6"
    & skf21("5","7","2","3","5","2","2","1") = "6"
    & skf21("5","7","2","3","5","2","3","1") = "6"
    & skf21("5","7","2","3","5","2","4","1") = "6"
    & skf21("5","7","2","3","5","2","5","1") = "6"
    & skf21("5","7","2","3","5","2","6","1") = "6"
    & skf21("5","7","2","3","5","2","7","1") = "6"
    & skf21("5","7","2","3","5","3","1","1") = "6"
    & skf21("5","7","2","3","5","3","2","1") = "6"
    & skf21("5","7","2","3","5","3","3","1") = "6"
    & skf21("5","7","2","3","5","3","4","1") = "6"
    & skf21("5","7","2","3","5","3","5","1") = "6"
    & skf21("5","7","2","3","5","3","6","1") = "6"
    & skf21("5","7","2","3","5","3","7","1") = "6"
    & skf21("5","7","2","3","5","4","1","1") = "6"
    & skf21("5","7","2","3","5","4","2","1") = "6"
    & skf21("5","7","2","3","5","4","3","1") = "6"
    & skf21("5","7","2","3","5","4","4","1") = "6"
    & skf21("5","7","2","3","5","4","5","1") = "6"
    & skf21("5","7","2","3","5","4","6","1") = "6"
    & skf21("5","7","2","3","5","4","7","1") = "6"
    & skf21("5","7","2","3","5","5","1","1") = "6"
    & skf21("5","7","2","3","5","5","2","1") = "6"
    & skf21("5","7","2","3","5","5","3","1") = "6"
    & skf21("5","7","2","3","5","5","4","1") = "6"
    & skf21("5","7","2","3","5","5","5","1") = "6"
    & skf21("5","7","2","3","5","5","6","1") = "6"
    & skf21("5","7","2","3","5","5","7","1") = "6"
    & skf21("5","7","2","3","5","6","1","1") = "6"
    & skf21("5","7","2","3","5","6","2","1") = "6"
    & skf21("5","7","2","3","5","6","3","1") = "6"
    & skf21("5","7","2","3","5","6","4","1") = "6"
    & skf21("5","7","2","3","5","6","5","1") = "6"
    & skf21("5","7","2","3","5","6","6","1") = "6"
    & skf21("5","7","2","3","5","6","7","1") = "6"
    & skf21("5","7","2","3","5","7","1","1") = "6"
    & skf21("5","7","2","3","5","7","2","1") = "6"
    & skf21("5","7","2","3","5","7","3","1") = "6"
    & skf21("5","7","2","3","5","7","4","1") = "6"
    & skf21("5","7","2","3","5","7","5","1") = "6"
    & skf21("5","7","2","3","5","7","6","1") = "6"
    & skf21("5","7","2","3","5","7","7","1") = "6"
    & skf21("5","7","2","3","6","1","1","1") = "6"
    & skf21("5","7","2","3","6","1","2","1") = "6"
    & skf21("5","7","2","3","6","1","3","1") = "6"
    & skf21("5","7","2","3","6","1","4","1") = "6"
    & skf21("5","7","2","3","6","1","5","1") = "6"
    & skf21("5","7","2","3","6","1","6","1") = "6"
    & skf21("5","7","2","3","6","1","7","1") = "6"
    & skf21("5","7","2","3","6","2","1","1") = "6"
    & skf21("5","7","2","3","6","2","2","1") = "6"
    & skf21("5","7","2","3","6","2","3","1") = "6"
    & skf21("5","7","2","3","6","2","4","1") = "6"
    & skf21("5","7","2","3","6","2","5","1") = "6"
    & skf21("5","7","2","3","6","2","6","1") = "6"
    & skf21("5","7","2","3","6","2","7","1") = "6"
    & skf21("5","7","2","3","6","3","1","1") = "6"
    & skf21("5","7","2","3","6","3","2","1") = "6"
    & skf21("5","7","2","3","6","3","3","1") = "6"
    & skf21("5","7","2","3","6","3","4","1") = "6"
    & skf21("5","7","2","3","6","3","5","1") = "6"
    & skf21("5","7","2","3","6","3","6","1") = "6"
    & skf21("5","7","2","3","6","3","7","1") = "6"
    & skf21("5","7","2","3","6","4","1","1") = "6"
    & skf21("5","7","2","3","6","4","2","1") = "6"
    & skf21("5","7","2","3","6","4","3","1") = "6"
    & skf21("5","7","2","3","6","4","4","1") = "6"
    & skf21("5","7","2","3","6","4","5","1") = "6"
    & skf21("5","7","2","3","6","4","6","1") = "6"
    & skf21("5","7","2","3","6","4","7","1") = "6"
    & skf21("5","7","2","3","6","5","1","1") = "6"
    & skf21("5","7","2","3","6","5","2","1") = "6"
    & skf21("5","7","2","3","6","5","3","1") = "6"
    & skf21("5","7","2","3","6","5","4","1") = "6"
    & skf21("5","7","2","3","6","5","5","1") = "6"
    & skf21("5","7","2","3","6","5","6","1") = "6"
    & skf21("5","7","2","3","6","5","7","1") = "6"
    & skf21("5","7","2","3","6","6","1","1") = "6"
    & skf21("5","7","2","3","6","6","2","1") = "6"
    & skf21("5","7","2","3","6","6","3","1") = "6"
    & skf21("5","7","2","3","6","6","4","1") = "6"
    & skf21("5","7","2","3","6","6","5","1") = "6"
    & skf21("5","7","2","3","6","6","6","1") = "6"
    & skf21("5","7","2","3","6","6","7","1") = "6"
    & skf21("5","7","2","3","6","7","1","1") = "6"
    & skf21("5","7","2","3","6","7","2","1") = "6"
    & skf21("5","7","2","3","6","7","3","1") = "6"
    & skf21("5","7","2","3","6","7","4","1") = "6"
    & skf21("5","7","2","3","6","7","5","1") = "6"
    & skf21("5","7","2","3","6","7","6","1") = "6"
    & skf21("5","7","2","3","6","7","7","1") = "6"
    & skf21("5","7","2","3","7","1","1","1") = "6"
    & skf21("5","7","2","3","7","1","2","1") = "6"
    & skf21("5","7","2","3","7","1","3","1") = "6"
    & skf21("5","7","2","3","7","1","4","1") = "6"
    & skf21("5","7","2","3","7","1","5","1") = "6"
    & skf21("5","7","2","3","7","1","6","1") = "6"
    & skf21("5","7","2","3","7","1","7","1") = "6"
    & skf21("5","7","2","3","7","2","1","1") = "6"
    & skf21("5","7","2","3","7","2","2","1") = "6"
    & skf21("5","7","2","3","7","2","3","1") = "6"
    & skf21("5","7","2","3","7","2","4","1") = "6"
    & skf21("5","7","2","3","7","2","5","1") = "6"
    & skf21("5","7","2","3","7","2","6","1") = "6"
    & skf21("5","7","2","3","7","2","7","1") = "6"
    & skf21("5","7","2","3","7","3","1","1") = "6"
    & skf21("5","7","2","3","7","3","2","1") = "6"
    & skf21("5","7","2","3","7","3","3","1") = "6"
    & skf21("5","7","2","3","7","3","4","1") = "6"
    & skf21("5","7","2","3","7","3","5","1") = "6"
    & skf21("5","7","2","3","7","3","6","1") = "6"
    & skf21("5","7","2","3","7","3","7","1") = "6"
    & skf21("5","7","2","3","7","4","1","1") = "6"
    & skf21("5","7","2","3","7","4","2","1") = "6"
    & skf21("5","7","2","3","7","4","3","1") = "6"
    & skf21("5","7","2","3","7","4","4","1") = "6"
    & skf21("5","7","2","3","7","4","5","1") = "6"
    & skf21("5","7","2","3","7","4","6","1") = "6"
    & skf21("5","7","2","3","7","4","7","1") = "6"
    & skf21("5","7","2","3","7","5","1","1") = "6"
    & skf21("5","7","2","3","7","5","2","1") = "6"
    & skf21("5","7","2","3","7","5","3","1") = "6"
    & skf21("5","7","2","3","7","5","4","1") = "6"
    & skf21("5","7","2","3","7","5","5","1") = "6"
    & skf21("5","7","2","3","7","5","6","1") = "6"
    & skf21("5","7","2","3","7","5","7","1") = "6"
    & skf21("5","7","2","3","7","6","1","1") = "6"
    & skf21("5","7","2","3","7","6","2","1") = "6"
    & skf21("5","7","2","3","7","6","3","1") = "6"
    & skf21("5","7","2","3","7","6","4","1") = "6"
    & skf21("5","7","2","3","7","6","5","1") = "6"
    & skf21("5","7","2","3","7","6","6","1") = "6"
    & skf21("5","7","2","3","7","6","7","1") = "6"
    & skf21("5","7","2","3","7","7","1","1") = "6"
    & skf21("5","7","2","3","7","7","2","1") = "6"
    & skf21("5","7","2","3","7","7","3","1") = "6"
    & skf21("5","7","2","3","7","7","4","1") = "6"
    & skf21("5","7","2","3","7","7","5","1") = "6"
    & skf21("5","7","2","3","7","7","6","1") = "6"
    & skf21("5","7","2","3","7","7","7","1") = "6"
    & skf21("5","7","2","4","1","1","1","1") = "6"
    & skf21("5","7","2","4","1","1","2","1") = "6"
    & skf21("5","7","2","4","1","1","3","1") = "6"
    & skf21("5","7","2","4","1","1","4","1") = "6"
    & skf21("5","7","2","4","1","1","5","1") = "6"
    & skf21("5","7","2","4","1","1","6","1") = "6"
    & skf21("5","7","2","4","1","1","7","1") = "6"
    & skf21("5","7","2","4","1","2","1","1") = "6"
    & skf21("5","7","2","4","1","2","2","1") = "6"
    & skf21("5","7","2","4","1","2","3","1") = "6"
    & skf21("5","7","2","4","1","2","4","1") = "6"
    & skf21("5","7","2","4","1","2","5","1") = "6"
    & skf21("5","7","2","4","1","2","6","1") = "6"
    & skf21("5","7","2","4","1","2","7","1") = "6"
    & skf21("5","7","2","4","1","3","1","1") = "6"
    & skf21("5","7","2","4","1","3","2","1") = "6"
    & skf21("5","7","2","4","1","3","3","1") = "6"
    & skf21("5","7","2","4","1","3","4","1") = "6"
    & skf21("5","7","2","4","1","3","5","1") = "6"
    & skf21("5","7","2","4","1","3","6","1") = "6"
    & skf21("5","7","2","4","1","3","7","1") = "6"
    & skf21("5","7","2","4","1","4","1","1") = "6"
    & skf21("5","7","2","4","1","4","2","1") = "6"
    & skf21("5","7","2","4","1","4","3","1") = "6"
    & skf21("5","7","2","4","1","4","4","1") = "6"
    & skf21("5","7","2","4","1","4","5","1") = "6"
    & skf21("5","7","2","4","1","4","6","1") = "6"
    & skf21("5","7","2","4","1","4","7","1") = "6"
    & skf21("5","7","2","4","1","5","1","1") = "6"
    & skf21("5","7","2","4","1","5","2","1") = "6"
    & skf21("5","7","2","4","1","5","3","1") = "6"
    & skf21("5","7","2","4","1","5","4","1") = "6"
    & skf21("5","7","2","4","1","5","5","1") = "6"
    & skf21("5","7","2","4","1","5","6","1") = "6"
    & skf21("5","7","2","4","1","5","7","1") = "6"
    & skf21("5","7","2","4","1","6","1","1") = "6"
    & skf21("5","7","2","4","1","6","2","1") = "6"
    & skf21("5","7","2","4","1","6","3","1") = "6"
    & skf21("5","7","2","4","1","6","4","1") = "6"
    & skf21("5","7","2","4","1","6","5","1") = "6"
    & skf21("5","7","2","4","1","6","6","1") = "6"
    & skf21("5","7","2","4","1","6","7","1") = "6"
    & skf21("5","7","2","4","1","7","1","1") = "6"
    & skf21("5","7","2","4","1","7","2","1") = "6"
    & skf21("5","7","2","4","1","7","3","1") = "6"
    & skf21("5","7","2","4","1","7","4","1") = "6"
    & skf21("5","7","2","4","1","7","5","1") = "6"
    & skf21("5","7","2","4","1","7","6","1") = "6"
    & skf21("5","7","2","4","1","7","7","1") = "6"
    & skf21("5","7","2","4","2","1","1","1") = "6"
    & skf21("5","7","2","4","2","1","2","1") = "6"
    & skf21("5","7","2","4","2","1","3","1") = "6"
    & skf21("5","7","2","4","2","1","4","1") = "6"
    & skf21("5","7","2","4","2","1","5","1") = "6"
    & skf21("5","7","2","4","2","1","6","1") = "6"
    & skf21("5","7","2","4","2","1","7","1") = "6"
    & skf21("5","7","2","4","2","2","1","1") = "6"
    & skf21("5","7","2","4","2","2","2","1") = "6"
    & skf21("5","7","2","4","2","2","3","1") = "6"
    & skf21("5","7","2","4","2","2","4","1") = "6"
    & skf21("5","7","2","4","2","2","5","1") = "6"
    & skf21("5","7","2","4","2","2","6","1") = "6"
    & skf21("5","7","2","4","2","2","7","1") = "6"
    & skf21("5","7","2","4","2","3","1","1") = "6"
    & skf21("5","7","2","4","2","3","2","1") = "6"
    & skf21("5","7","2","4","2","3","3","1") = "6"
    & skf21("5","7","2","4","2","3","4","1") = "6"
    & skf21("5","7","2","4","2","3","5","1") = "6"
    & skf21("5","7","2","4","2","3","6","1") = "6"
    & skf21("5","7","2","4","2","3","7","1") = "6"
    & skf21("5","7","2","4","2","4","1","1") = "6"
    & skf21("5","7","2","4","2","4","2","1") = "6"
    & skf21("5","7","2","4","2","4","3","1") = "6"
    & skf21("5","7","2","4","2","4","4","1") = "6"
    & skf21("5","7","2","4","2","4","5","1") = "6"
    & skf21("5","7","2","4","2","4","6","1") = "6"
    & skf21("5","7","2","4","2","4","7","1") = "6"
    & skf21("5","7","2","4","2","5","1","1") = "6"
    & skf21("5","7","2","4","2","5","2","1") = "6"
    & skf21("5","7","2","4","2","5","3","1") = "6"
    & skf21("5","7","2","4","2","5","4","1") = "6"
    & skf21("5","7","2","4","2","5","5","1") = "6"
    & skf21("5","7","2","4","2","5","6","1") = "6"
    & skf21("5","7","2","4","2","5","7","1") = "6"
    & skf21("5","7","2","4","2","6","1","1") = "6"
    & skf21("5","7","2","4","2","6","2","1") = "6"
    & skf21("5","7","2","4","2","6","3","1") = "6"
    & skf21("5","7","2","4","2","6","4","1") = "6"
    & skf21("5","7","2","4","2","6","5","1") = "6"
    & skf21("5","7","2","4","2","6","6","1") = "6"
    & skf21("5","7","2","4","2","6","7","1") = "6"
    & skf21("5","7","2","4","2","7","1","1") = "6"
    & skf21("5","7","2","4","2","7","2","1") = "6"
    & skf21("5","7","2","4","2","7","3","1") = "6"
    & skf21("5","7","2","4","2","7","4","1") = "6"
    & skf21("5","7","2","4","2","7","5","1") = "6"
    & skf21("5","7","2","4","2","7","6","1") = "6"
    & skf21("5","7","2","4","2","7","7","1") = "6"
    & skf21("5","7","2","4","3","1","1","1") = "6"
    & skf21("5","7","2","4","3","1","2","1") = "6"
    & skf21("5","7","2","4","3","1","3","1") = "6"
    & skf21("5","7","2","4","3","1","4","1") = "6"
    & skf21("5","7","2","4","3","1","5","1") = "6"
    & skf21("5","7","2","4","3","1","6","1") = "6"
    & skf21("5","7","2","4","3","1","7","1") = "6"
    & skf21("5","7","2","4","3","2","1","1") = "6"
    & skf21("5","7","2","4","3","2","2","1") = "6"
    & skf21("5","7","2","4","3","2","3","1") = "6"
    & skf21("5","7","2","4","3","2","4","1") = "6"
    & skf21("5","7","2","4","3","2","5","1") = "6"
    & skf21("5","7","2","4","3","2","6","1") = "6"
    & skf21("5","7","2","4","3","2","7","1") = "6"
    & skf21("5","7","2","4","3","3","1","1") = "6"
    & skf21("5","7","2","4","3","3","2","1") = "6"
    & skf21("5","7","2","4","3","3","3","1") = "6"
    & skf21("5","7","2","4","3","3","4","1") = "6"
    & skf21("5","7","2","4","3","3","5","1") = "6"
    & skf21("5","7","2","4","3","3","6","1") = "6"
    & skf21("5","7","2","4","3","3","7","1") = "6"
    & skf21("5","7","2","4","3","4","1","1") = "6"
    & skf21("5","7","2","4","3","4","2","1") = "6"
    & skf21("5","7","2","4","3","4","3","1") = "6"
    & skf21("5","7","2","4","3","4","4","1") = "6"
    & skf21("5","7","2","4","3","4","5","1") = "6"
    & skf21("5","7","2","4","3","4","6","1") = "6"
    & skf21("5","7","2","4","3","4","7","1") = "6"
    & skf21("5","7","2","4","3","5","1","1") = "6"
    & skf21("5","7","2","4","3","5","2","1") = "6"
    & skf21("5","7","2","4","3","5","3","1") = "6"
    & skf21("5","7","2","4","3","5","4","1") = "6"
    & skf21("5","7","2","4","3","5","5","1") = "6"
    & skf21("5","7","2","4","3","5","6","1") = "6"
    & skf21("5","7","2","4","3","5","7","1") = "6"
    & skf21("5","7","2","4","3","6","1","1") = "6"
    & skf21("5","7","2","4","3","6","2","1") = "6"
    & skf21("5","7","2","4","3","6","3","1") = "6"
    & skf21("5","7","2","4","3","6","4","1") = "6"
    & skf21("5","7","2","4","3","6","5","1") = "6"
    & skf21("5","7","2","4","3","6","6","1") = "6"
    & skf21("5","7","2","4","3","6","7","1") = "6"
    & skf21("5","7","2","4","3","7","1","1") = "6"
    & skf21("5","7","2","4","3","7","2","1") = "6"
    & skf21("5","7","2","4","3","7","3","1") = "6"
    & skf21("5","7","2","4","3","7","4","1") = "6"
    & skf21("5","7","2","4","3","7","5","1") = "6"
    & skf21("5","7","2","4","3","7","6","1") = "6"
    & skf21("5","7","2","4","3","7","7","1") = "6"
    & skf21("5","7","2","4","4","1","1","1") = "6"
    & skf21("5","7","2","4","4","1","2","1") = "6"
    & skf21("5","7","2","4","4","1","3","1") = "6"
    & skf21("5","7","2","4","4","1","4","1") = "6"
    & skf21("5","7","2","4","4","1","5","1") = "6"
    & skf21("5","7","2","4","4","1","6","1") = "6"
    & skf21("5","7","2","4","4","1","7","1") = "6"
    & skf21("5","7","2","4","4","2","1","1") = "6"
    & skf21("5","7","2","4","4","2","2","1") = "6"
    & skf21("5","7","2","4","4","2","3","1") = "6"
    & skf21("5","7","2","4","4","2","4","1") = "6"
    & skf21("5","7","2","4","4","2","5","1") = "6"
    & skf21("5","7","2","4","4","2","6","1") = "6"
    & skf21("5","7","2","4","4","2","7","1") = "6"
    & skf21("5","7","2","4","4","3","1","1") = "6"
    & skf21("5","7","2","4","4","3","2","1") = "6"
    & skf21("5","7","2","4","4","3","3","1") = "6"
    & skf21("5","7","2","4","4","3","4","1") = "6"
    & skf21("5","7","2","4","4","3","5","1") = "6"
    & skf21("5","7","2","4","4","3","6","1") = "6"
    & skf21("5","7","2","4","4","3","7","1") = "6"
    & skf21("5","7","2","4","4","4","1","1") = "6"
    & skf21("5","7","2","4","4","4","2","1") = "6"
    & skf21("5","7","2","4","4","4","3","1") = "6"
    & skf21("5","7","2","4","4","4","4","1") = "6"
    & skf21("5","7","2","4","4","4","5","1") = "6"
    & skf21("5","7","2","4","4","4","6","1") = "6"
    & skf21("5","7","2","4","4","4","7","1") = "6"
    & skf21("5","7","2","4","4","5","1","1") = "6"
    & skf21("5","7","2","4","4","5","2","1") = "6"
    & skf21("5","7","2","4","4","5","3","1") = "6"
    & skf21("5","7","2","4","4","5","4","1") = "6"
    & skf21("5","7","2","4","4","5","5","1") = "6"
    & skf21("5","7","2","4","4","5","6","1") = "6"
    & skf21("5","7","2","4","4","5","7","1") = "6"
    & skf21("5","7","2","4","4","6","1","1") = "6"
    & skf21("5","7","2","4","4","6","2","1") = "6"
    & skf21("5","7","2","4","4","6","3","1") = "6"
    & skf21("5","7","2","4","4","6","4","1") = "6"
    & skf21("5","7","2","4","4","6","5","1") = "6"
    & skf21("5","7","2","4","4","6","6","1") = "6"
    & skf21("5","7","2","4","4","6","7","1") = "6"
    & skf21("5","7","2","4","4","7","1","1") = "6"
    & skf21("5","7","2","4","4","7","2","1") = "6"
    & skf21("5","7","2","4","4","7","3","1") = "6"
    & skf21("5","7","2","4","4","7","4","1") = "6"
    & skf21("5","7","2","4","4","7","5","1") = "6"
    & skf21("5","7","2","4","4","7","6","1") = "6"
    & skf21("5","7","2","4","4","7","7","1") = "6"
    & skf21("5","7","2","4","5","1","1","1") = "6"
    & skf21("5","7","2","4","5","1","2","1") = "6"
    & skf21("5","7","2","4","5","1","3","1") = "6"
    & skf21("5","7","2","4","5","1","4","1") = "6"
    & skf21("5","7","2","4","5","1","5","1") = "6"
    & skf21("5","7","2","4","5","1","6","1") = "6"
    & skf21("5","7","2","4","5","1","7","1") = "6"
    & skf21("5","7","2","4","5","2","1","1") = "6"
    & skf21("5","7","2","4","5","2","2","1") = "6"
    & skf21("5","7","2","4","5","2","3","1") = "6"
    & skf21("5","7","2","4","5","2","4","1") = "6"
    & skf21("5","7","2","4","5","2","5","1") = "6"
    & skf21("5","7","2","4","5","2","6","1") = "6"
    & skf21("5","7","2","4","5","2","7","1") = "6"
    & skf21("5","7","2","4","5","3","1","1") = "6"
    & skf21("5","7","2","4","5","3","2","1") = "6"
    & skf21("5","7","2","4","5","3","3","1") = "6"
    & skf21("5","7","2","4","5","3","4","1") = "6"
    & skf21("5","7","2","4","5","3","5","1") = "6"
    & skf21("5","7","2","4","5","3","6","1") = "6"
    & skf21("5","7","2","4","5","3","7","1") = "6"
    & skf21("5","7","2","4","5","4","1","1") = "6"
    & skf21("5","7","2","4","5","4","2","1") = "6"
    & skf21("5","7","2","4","5","4","3","1") = "6"
    & skf21("5","7","2","4","5","4","4","1") = "6"
    & skf21("5","7","2","4","5","4","5","1") = "6"
    & skf21("5","7","2","4","5","4","6","1") = "6"
    & skf21("5","7","2","4","5","4","7","1") = "6"
    & skf21("5","7","2","4","5","5","1","1") = "6"
    & skf21("5","7","2","4","5","5","2","1") = "6"
    & skf21("5","7","2","4","5","5","3","1") = "6"
    & skf21("5","7","2","4","5","5","4","1") = "6"
    & skf21("5","7","2","4","5","5","5","1") = "6"
    & skf21("5","7","2","4","5","5","6","1") = "6"
    & skf21("5","7","2","4","5","5","7","1") = "6"
    & skf21("5","7","2","4","5","6","1","1") = "6"
    & skf21("5","7","2","4","5","6","2","1") = "6"
    & skf21("5","7","2","4","5","6","3","1") = "6"
    & skf21("5","7","2","4","5","6","4","1") = "6"
    & skf21("5","7","2","4","5","6","5","1") = "6"
    & skf21("5","7","2","4","5","6","6","1") = "6"
    & skf21("5","7","2","4","5","6","7","1") = "6"
    & skf21("5","7","2","4","5","7","1","1") = "6"
    & skf21("5","7","2","4","5","7","2","1") = "6"
    & skf21("5","7","2","4","5","7","3","1") = "6"
    & skf21("5","7","2","4","5","7","4","1") = "6"
    & skf21("5","7","2","4","5","7","5","1") = "6"
    & skf21("5","7","2","4","5","7","6","1") = "6"
    & skf21("5","7","2","4","5","7","7","1") = "6"
    & skf21("5","7","2","4","6","1","1","1") = "6"
    & skf21("5","7","2","4","6","1","2","1") = "6"
    & skf21("5","7","2","4","6","1","3","1") = "6"
    & skf21("5","7","2","4","6","1","4","1") = "6"
    & skf21("5","7","2","4","6","1","5","1") = "6"
    & skf21("5","7","2","4","6","1","6","1") = "6"
    & skf21("5","7","2","4","6","1","7","1") = "6"
    & skf21("5","7","2","4","6","2","1","1") = "6"
    & skf21("5","7","2","4","6","2","2","1") = "6"
    & skf21("5","7","2","4","6","2","3","1") = "6"
    & skf21("5","7","2","4","6","2","4","1") = "6"
    & skf21("5","7","2","4","6","2","5","1") = "6"
    & skf21("5","7","2","4","6","2","6","1") = "6"
    & skf21("5","7","2","4","6","2","7","1") = "6"
    & skf21("5","7","2","4","6","3","1","1") = "6"
    & skf21("5","7","2","4","6","3","2","1") = "6"
    & skf21("5","7","2","4","6","3","3","1") = "6"
    & skf21("5","7","2","4","6","3","4","1") = "6"
    & skf21("5","7","2","4","6","3","5","1") = "6"
    & skf21("5","7","2","4","6","3","6","1") = "6"
    & skf21("5","7","2","4","6","3","7","1") = "6"
    & skf21("5","7","2","4","6","4","1","1") = "6"
    & skf21("5","7","2","4","6","4","2","1") = "6"
    & skf21("5","7","2","4","6","4","3","1") = "6"
    & skf21("5","7","2","4","6","4","4","1") = "6"
    & skf21("5","7","2","4","6","4","5","1") = "6"
    & skf21("5","7","2","4","6","4","6","1") = "6"
    & skf21("5","7","2","4","6","4","7","1") = "6"
    & skf21("5","7","2","4","6","5","1","1") = "6"
    & skf21("5","7","2","4","6","5","2","1") = "6"
    & skf21("5","7","2","4","6","5","3","1") = "6"
    & skf21("5","7","2","4","6","5","4","1") = "6"
    & skf21("5","7","2","4","6","5","5","1") = "6"
    & skf21("5","7","2","4","6","5","6","1") = "6"
    & skf21("5","7","2","4","6","5","7","1") = "6"
    & skf21("5","7","2","4","6","6","1","1") = "6"
    & skf21("5","7","2","4","6","6","2","1") = "6"
    & skf21("5","7","2","4","6","6","3","1") = "6"
    & skf21("5","7","2","4","6","6","4","1") = "6"
    & skf21("5","7","2","4","6","6","5","1") = "6"
    & skf21("5","7","2","4","6","6","6","1") = "6"
    & skf21("5","7","2","4","6","6","7","1") = "6"
    & skf21("5","7","2","4","6","7","1","1") = "6"
    & skf21("5","7","2","4","6","7","2","1") = "6"
    & skf21("5","7","2","4","6","7","3","1") = "6"
    & skf21("5","7","2","4","6","7","4","1") = "6"
    & skf21("5","7","2","4","6","7","5","1") = "6"
    & skf21("5","7","2","4","6","7","6","1") = "6"
    & skf21("5","7","2","4","6","7","7","1") = "6"
    & skf21("5","7","2","4","7","1","1","1") = "6"
    & skf21("5","7","2","4","7","1","2","1") = "6"
    & skf21("5","7","2","4","7","1","3","1") = "6"
    & skf21("5","7","2","4","7","1","4","1") = "6"
    & skf21("5","7","2","4","7","1","5","1") = "6"
    & skf21("5","7","2","4","7","1","6","1") = "6"
    & skf21("5","7","2","4","7","1","7","1") = "6"
    & skf21("5","7","2","4","7","2","1","1") = "6"
    & skf21("5","7","2","4","7","2","2","1") = "6"
    & skf21("5","7","2","4","7","2","3","1") = "6"
    & skf21("5","7","2","4","7","2","4","1") = "6"
    & skf21("5","7","2","4","7","2","5","1") = "6"
    & skf21("5","7","2","4","7","2","6","1") = "6"
    & skf21("5","7","2","4","7","2","7","1") = "6"
    & skf21("5","7","2","4","7","3","1","1") = "6"
    & skf21("5","7","2","4","7","3","2","1") = "6"
    & skf21("5","7","2","4","7","3","3","1") = "6"
    & skf21("5","7","2","4","7","3","4","1") = "6"
    & skf21("5","7","2","4","7","3","5","1") = "6"
    & skf21("5","7","2","4","7","3","6","1") = "6"
    & skf21("5","7","2","4","7","3","7","1") = "6"
    & skf21("5","7","2","4","7","4","1","1") = "6"
    & skf21("5","7","2","4","7","4","2","1") = "6"
    & skf21("5","7","2","4","7","4","3","1") = "6"
    & skf21("5","7","2","4","7","4","4","1") = "6"
    & skf21("5","7","2","4","7","4","5","1") = "6"
    & skf21("5","7","2","4","7","4","6","1") = "6"
    & skf21("5","7","2","4","7","4","7","1") = "6"
    & skf21("5","7","2","4","7","5","1","1") = "6"
    & skf21("5","7","2","4","7","5","2","1") = "6"
    & skf21("5","7","2","4","7","5","3","1") = "6"
    & skf21("5","7","2","4","7","5","4","1") = "6"
    & skf21("5","7","2","4","7","5","5","1") = "6"
    & skf21("5","7","2","4","7","5","6","1") = "6"
    & skf21("5","7","2","4","7","5","7","1") = "6"
    & skf21("5","7","2","4","7","6","1","1") = "6"
    & skf21("5","7","2","4","7","6","2","1") = "6"
    & skf21("5","7","2","4","7","6","3","1") = "6"
    & skf21("5","7","2","4","7","6","4","1") = "6"
    & skf21("5","7","2","4","7","6","5","1") = "6"
    & skf21("5","7","2","4","7","6","6","1") = "6"
    & skf21("5","7","2","4","7","6","7","1") = "6"
    & skf21("5","7","2","4","7","7","1","1") = "6"
    & skf21("5","7","2","4","7","7","2","1") = "6"
    & skf21("5","7","2","4","7","7","3","1") = "6"
    & skf21("5","7","2","4","7","7","4","1") = "6"
    & skf21("5","7","2","4","7","7","5","1") = "6"
    & skf21("5","7","2","4","7","7","6","1") = "6"
    & skf21("5","7","2","4","7","7","7","1") = "6"
    & skf21("5","7","2","5","1","1","1","1") = "6"
    & skf21("5","7","2","5","1","1","2","1") = "6"
    & skf21("5","7","2","5","1","1","3","1") = "6"
    & skf21("5","7","2","5","1","1","4","1") = "6"
    & skf21("5","7","2","5","1","1","5","1") = "6"
    & skf21("5","7","2","5","1","1","6","1") = "6"
    & skf21("5","7","2","5","1","1","7","1") = "6"
    & skf21("5","7","2","5","1","2","1","1") = "6"
    & skf21("5","7","2","5","1","2","2","1") = "6"
    & skf21("5","7","2","5","1","2","3","1") = "6"
    & skf21("5","7","2","5","1","2","4","1") = "6"
    & skf21("5","7","2","5","1","2","5","1") = "6"
    & skf21("5","7","2","5","1","2","6","1") = "6"
    & skf21("5","7","2","5","1","2","7","1") = "6"
    & skf21("5","7","2","5","1","3","1","1") = "6"
    & skf21("5","7","2","5","1","3","2","1") = "6"
    & skf21("5","7","2","5","1","3","3","1") = "6"
    & skf21("5","7","2","5","1","3","4","1") = "6"
    & skf21("5","7","2","5","1","3","5","1") = "6"
    & skf21("5","7","2","5","1","3","6","1") = "6"
    & skf21("5","7","2","5","1","3","7","1") = "6"
    & skf21("5","7","2","5","1","4","1","1") = "6"
    & skf21("5","7","2","5","1","4","2","1") = "6"
    & skf21("5","7","2","5","1","4","3","1") = "6"
    & skf21("5","7","2","5","1","4","4","1") = "6"
    & skf21("5","7","2","5","1","4","5","1") = "6"
    & skf21("5","7","2","5","1","4","6","1") = "6"
    & skf21("5","7","2","5","1","4","7","1") = "6"
    & skf21("5","7","2","5","1","5","1","1") = "6"
    & skf21("5","7","2","5","1","5","2","1") = "6"
    & skf21("5","7","2","5","1","5","3","1") = "6"
    & skf21("5","7","2","5","1","5","4","1") = "6"
    & skf21("5","7","2","5","1","5","5","1") = "6"
    & skf21("5","7","2","5","1","5","6","1") = "6"
    & skf21("5","7","2","5","1","5","7","1") = "6"
    & skf21("5","7","2","5","1","6","1","1") = "6"
    & skf21("5","7","2","5","1","6","2","1") = "6"
    & skf21("5","7","2","5","1","6","3","1") = "6"
    & skf21("5","7","2","5","1","6","4","1") = "6"
    & skf21("5","7","2","5","1","6","5","1") = "6"
    & skf21("5","7","2","5","1","6","6","1") = "6"
    & skf21("5","7","2","5","1","6","7","1") = "6"
    & skf21("5","7","2","5","1","7","1","1") = "6"
    & skf21("5","7","2","5","1","7","2","1") = "6"
    & skf21("5","7","2","5","1","7","3","1") = "6"
    & skf21("5","7","2","5","1","7","4","1") = "6"
    & skf21("5","7","2","5","1","7","5","1") = "6"
    & skf21("5","7","2","5","1","7","6","1") = "6"
    & skf21("5","7","2","5","1","7","7","1") = "6"
    & skf21("5","7","2","5","2","1","1","1") = "6"
    & skf21("5","7","2","5","2","1","2","1") = "6"
    & skf21("5","7","2","5","2","1","3","1") = "6"
    & skf21("5","7","2","5","2","1","4","1") = "6"
    & skf21("5","7","2","5","2","1","5","1") = "6"
    & skf21("5","7","2","5","2","1","6","1") = "6"
    & skf21("5","7","2","5","2","1","7","1") = "6"
    & skf21("5","7","2","5","2","2","1","1") = "6"
    & skf21("5","7","2","5","2","2","2","1") = "6"
    & skf21("5","7","2","5","2","2","3","1") = "6"
    & skf21("5","7","2","5","2","2","4","1") = "6"
    & skf21("5","7","2","5","2","2","5","1") = "6"
    & skf21("5","7","2","5","2","2","6","1") = "6"
    & skf21("5","7","2","5","2","2","7","1") = "6"
    & skf21("5","7","2","5","2","3","1","1") = "6"
    & skf21("5","7","2","5","2","3","2","1") = "6"
    & skf21("5","7","2","5","2","3","3","1") = "6"
    & skf21("5","7","2","5","2","3","4","1") = "6"
    & skf21("5","7","2","5","2","3","5","1") = "6"
    & skf21("5","7","2","5","2","3","6","1") = "6"
    & skf21("5","7","2","5","2","3","7","1") = "6"
    & skf21("5","7","2","5","2","4","1","1") = "6"
    & skf21("5","7","2","5","2","4","2","1") = "6"
    & skf21("5","7","2","5","2","4","3","1") = "6"
    & skf21("5","7","2","5","2","4","4","1") = "6"
    & skf21("5","7","2","5","2","4","5","1") = "6"
    & skf21("5","7","2","5","2","4","6","1") = "6"
    & skf21("5","7","2","5","2","4","7","1") = "6"
    & skf21("5","7","2","5","2","5","1","1") = "6"
    & skf21("5","7","2","5","2","5","2","1") = "6"
    & skf21("5","7","2","5","2","5","3","1") = "6"
    & skf21("5","7","2","5","2","5","4","1") = "6"
    & skf21("5","7","2","5","2","5","5","1") = "6"
    & skf21("5","7","2","5","2","5","6","1") = "6"
    & skf21("5","7","2","5","2","5","7","1") = "6"
    & skf21("5","7","2","5","2","6","1","1") = "6"
    & skf21("5","7","2","5","2","6","2","1") = "6"
    & skf21("5","7","2","5","2","6","3","1") = "6"
    & skf21("5","7","2","5","2","6","4","1") = "6"
    & skf21("5","7","2","5","2","6","5","1") = "6"
    & skf21("5","7","2","5","2","6","6","1") = "6"
    & skf21("5","7","2","5","2","6","7","1") = "6"
    & skf21("5","7","2","5","2","7","1","1") = "6"
    & skf21("5","7","2","5","2","7","2","1") = "6"
    & skf21("5","7","2","5","2","7","3","1") = "6"
    & skf21("5","7","2","5","2","7","4","1") = "6"
    & skf21("5","7","2","5","2","7","5","1") = "6"
    & skf21("5","7","2","5","2","7","6","1") = "6"
    & skf21("5","7","2","5","2","7","7","1") = "6"
    & skf21("5","7","2","5","3","1","1","1") = "6"
    & skf21("5","7","2","5","3","1","2","1") = "6"
    & skf21("5","7","2","5","3","1","3","1") = "6"
    & skf21("5","7","2","5","3","1","4","1") = "6"
    & skf21("5","7","2","5","3","1","5","1") = "6"
    & skf21("5","7","2","5","3","1","6","1") = "6"
    & skf21("5","7","2","5","3","1","7","1") = "6"
    & skf21("5","7","2","5","3","2","1","1") = "6"
    & skf21("5","7","2","5","3","2","2","1") = "6"
    & skf21("5","7","2","5","3","2","3","1") = "6"
    & skf21("5","7","2","5","3","2","4","1") = "6"
    & skf21("5","7","2","5","3","2","5","1") = "6"
    & skf21("5","7","2","5","3","2","6","1") = "6"
    & skf21("5","7","2","5","3","2","7","1") = "6"
    & skf21("5","7","2","5","3","3","1","1") = "6"
    & skf21("5","7","2","5","3","3","2","1") = "6"
    & skf21("5","7","2","5","3","3","3","1") = "6"
    & skf21("5","7","2","5","3","3","4","1") = "6"
    & skf21("5","7","2","5","3","3","5","1") = "6"
    & skf21("5","7","2","5","3","3","6","1") = "6"
    & skf21("5","7","2","5","3","3","7","1") = "6"
    & skf21("5","7","2","5","3","4","1","1") = "6"
    & skf21("5","7","2","5","3","4","2","1") = "6"
    & skf21("5","7","2","5","3","4","3","1") = "6"
    & skf21("5","7","2","5","3","4","4","1") = "6"
    & skf21("5","7","2","5","3","4","5","1") = "6"
    & skf21("5","7","2","5","3","4","6","1") = "6"
    & skf21("5","7","2","5","3","4","7","1") = "6"
    & skf21("5","7","2","5","3","5","1","1") = "6"
    & skf21("5","7","2","5","3","5","2","1") = "6"
    & skf21("5","7","2","5","3","5","3","1") = "6"
    & skf21("5","7","2","5","3","5","4","1") = "6"
    & skf21("5","7","2","5","3","5","5","1") = "6"
    & skf21("5","7","2","5","3","5","6","1") = "6"
    & skf21("5","7","2","5","3","5","7","1") = "6"
    & skf21("5","7","2","5","3","6","1","1") = "6"
    & skf21("5","7","2","5","3","6","2","1") = "6"
    & skf21("5","7","2","5","3","6","3","1") = "6"
    & skf21("5","7","2","5","3","6","4","1") = "6"
    & skf21("5","7","2","5","3","6","5","1") = "6"
    & skf21("5","7","2","5","3","6","6","1") = "6"
    & skf21("5","7","2","5","3","6","7","1") = "6"
    & skf21("5","7","2","5","3","7","1","1") = "6"
    & skf21("5","7","2","5","3","7","2","1") = "6"
    & skf21("5","7","2","5","3","7","3","1") = "6"
    & skf21("5","7","2","5","3","7","4","1") = "6"
    & skf21("5","7","2","5","3","7","5","1") = "6"
    & skf21("5","7","2","5","3","7","6","1") = "6"
    & skf21("5","7","2","5","3","7","7","1") = "6"
    & skf21("5","7","2","5","4","1","1","1") = "6"
    & skf21("5","7","2","5","4","1","2","1") = "6"
    & skf21("5","7","2","5","4","1","3","1") = "6"
    & skf21("5","7","2","5","4","1","4","1") = "6"
    & skf21("5","7","2","5","4","1","5","1") = "6"
    & skf21("5","7","2","5","4","1","6","1") = "6"
    & skf21("5","7","2","5","4","1","7","1") = "6"
    & skf21("5","7","2","5","4","2","1","1") = "6"
    & skf21("5","7","2","5","4","2","2","1") = "6"
    & skf21("5","7","2","5","4","2","3","1") = "6"
    & skf21("5","7","2","5","4","2","4","1") = "6"
    & skf21("5","7","2","5","4","2","5","1") = "6"
    & skf21("5","7","2","5","4","2","6","1") = "6"
    & skf21("5","7","2","5","4","2","7","1") = "6"
    & skf21("5","7","2","5","4","3","1","1") = "6"
    & skf21("5","7","2","5","4","3","2","1") = "6"
    & skf21("5","7","2","5","4","3","3","1") = "6"
    & skf21("5","7","2","5","4","3","4","1") = "6"
    & skf21("5","7","2","5","4","3","5","1") = "6"
    & skf21("5","7","2","5","4","3","6","1") = "6"
    & skf21("5","7","2","5","4","3","7","1") = "6"
    & skf21("5","7","2","5","4","4","1","1") = "6"
    & skf21("5","7","2","5","4","4","2","1") = "6"
    & skf21("5","7","2","5","4","4","3","1") = "6"
    & skf21("5","7","2","5","4","4","4","1") = "6"
    & skf21("5","7","2","5","4","4","5","1") = "6"
    & skf21("5","7","2","5","4","4","6","1") = "6"
    & skf21("5","7","2","5","4","4","7","1") = "6"
    & skf21("5","7","2","5","4","5","1","1") = "6"
    & skf21("5","7","2","5","4","5","2","1") = "6"
    & skf21("5","7","2","5","4","5","3","1") = "6"
    & skf21("5","7","2","5","4","5","4","1") = "6"
    & skf21("5","7","2","5","4","5","5","1") = "6"
    & skf21("5","7","2","5","4","5","6","1") = "6"
    & skf21("5","7","2","5","4","5","7","1") = "6"
    & skf21("5","7","2","5","4","6","1","1") = "6"
    & skf21("5","7","2","5","4","6","2","1") = "6"
    & skf21("5","7","2","5","4","6","3","1") = "6"
    & skf21("5","7","2","5","4","6","4","1") = "6"
    & skf21("5","7","2","5","4","6","5","1") = "6"
    & skf21("5","7","2","5","4","6","6","1") = "6"
    & skf21("5","7","2","5","4","6","7","1") = "6"
    & skf21("5","7","2","5","4","7","1","1") = "6"
    & skf21("5","7","2","5","4","7","2","1") = "6"
    & skf21("5","7","2","5","4","7","3","1") = "6"
    & skf21("5","7","2","5","4","7","4","1") = "6"
    & skf21("5","7","2","5","4","7","5","1") = "6"
    & skf21("5","7","2","5","4","7","6","1") = "6"
    & skf21("5","7","2","5","4","7","7","1") = "6"
    & skf21("5","7","2","5","5","1","1","1") = "6"
    & skf21("5","7","2","5","5","1","2","1") = "6"
    & skf21("5","7","2","5","5","1","3","1") = "6"
    & skf21("5","7","2","5","5","1","4","1") = "6"
    & skf21("5","7","2","5","5","1","5","1") = "6"
    & skf21("5","7","2","5","5","1","6","1") = "6"
    & skf21("5","7","2","5","5","1","7","1") = "6"
    & skf21("5","7","2","5","5","2","1","1") = "6"
    & skf21("5","7","2","5","5","2","2","1") = "6"
    & skf21("5","7","2","5","5","2","3","1") = "6"
    & skf21("5","7","2","5","5","2","4","1") = "6"
    & skf21("5","7","2","5","5","2","5","1") = "6"
    & skf21("5","7","2","5","5","2","6","1") = "6"
    & skf21("5","7","2","5","5","2","7","1") = "6"
    & skf21("5","7","2","5","5","3","1","1") = "6"
    & skf21("5","7","2","5","5","3","2","1") = "6"
    & skf21("5","7","2","5","5","3","3","1") = "6"
    & skf21("5","7","2","5","5","3","4","1") = "6"
    & skf21("5","7","2","5","5","3","5","1") = "6"
    & skf21("5","7","2","5","5","3","6","1") = "6"
    & skf21("5","7","2","5","5","3","7","1") = "6"
    & skf21("5","7","2","5","5","4","1","1") = "6"
    & skf21("5","7","2","5","5","4","2","1") = "6"
    & skf21("5","7","2","5","5","4","3","1") = "6"
    & skf21("5","7","2","5","5","4","4","1") = "6"
    & skf21("5","7","2","5","5","4","5","1") = "6"
    & skf21("5","7","2","5","5","4","6","1") = "6"
    & skf21("5","7","2","5","5","4","7","1") = "6"
    & skf21("5","7","2","5","5","5","1","1") = "6"
    & skf21("5","7","2","5","5","5","2","1") = "6"
    & skf21("5","7","2","5","5","5","3","1") = "6"
    & skf21("5","7","2","5","5","5","4","1") = "6"
    & skf21("5","7","2","5","5","5","5","1") = "6"
    & skf21("5","7","2","5","5","5","6","1") = "6"
    & skf21("5","7","2","5","5","5","7","1") = "6"
    & skf21("5","7","2","5","5","6","1","1") = "6"
    & skf21("5","7","2","5","5","6","2","1") = "6"
    & skf21("5","7","2","5","5","6","3","1") = "6"
    & skf21("5","7","2","5","5","6","4","1") = "6"
    & skf21("5","7","2","5","5","6","5","1") = "6"
    & skf21("5","7","2","5","5","6","6","1") = "6"
    & skf21("5","7","2","5","5","6","7","1") = "6"
    & skf21("5","7","2","5","5","7","1","1") = "6"
    & skf21("5","7","2","5","5","7","2","1") = "6"
    & skf21("5","7","2","5","5","7","3","1") = "6"
    & skf21("5","7","2","5","5","7","4","1") = "6"
    & skf21("5","7","2","5","5","7","5","1") = "6"
    & skf21("5","7","2","5","5","7","6","1") = "6"
    & skf21("5","7","2","5","5","7","7","1") = "6"
    & skf21("5","7","2","5","6","1","1","1") = "6"
    & skf21("5","7","2","5","6","1","2","1") = "6"
    & skf21("5","7","2","5","6","1","3","1") = "6"
    & skf21("5","7","2","5","6","1","4","1") = "6"
    & skf21("5","7","2","5","6","1","5","1") = "6"
    & skf21("5","7","2","5","6","1","6","1") = "6"
    & skf21("5","7","2","5","6","1","7","1") = "6"
    & skf21("5","7","2","5","6","2","1","1") = "6"
    & skf21("5","7","2","5","6","2","2","1") = "6"
    & skf21("5","7","2","5","6","2","3","1") = "6"
    & skf21("5","7","2","5","6","2","4","1") = "6"
    & skf21("5","7","2","5","6","2","5","1") = "6"
    & skf21("5","7","2","5","6","2","6","1") = "6"
    & skf21("5","7","2","5","6","2","7","1") = "6"
    & skf21("5","7","2","5","6","3","1","1") = "6"
    & skf21("5","7","2","5","6","3","2","1") = "6"
    & skf21("5","7","2","5","6","3","3","1") = "6"
    & skf21("5","7","2","5","6","3","4","1") = "6"
    & skf21("5","7","2","5","6","3","5","1") = "6"
    & skf21("5","7","2","5","6","3","6","1") = "6"
    & skf21("5","7","2","5","6","3","7","1") = "6"
    & skf21("5","7","2","5","6","4","1","1") = "6"
    & skf21("5","7","2","5","6","4","2","1") = "6"
    & skf21("5","7","2","5","6","4","3","1") = "6"
    & skf21("5","7","2","5","6","4","4","1") = "6"
    & skf21("5","7","2","5","6","4","5","1") = "6"
    & skf21("5","7","2","5","6","4","6","1") = "6"
    & skf21("5","7","2","5","6","4","7","1") = "6"
    & skf21("5","7","2","5","6","5","1","1") = "6"
    & skf21("5","7","2","5","6","5","2","1") = "6"
    & skf21("5","7","2","5","6","5","3","1") = "6"
    & skf21("5","7","2","5","6","5","4","1") = "6"
    & skf21("5","7","2","5","6","5","5","1") = "6"
    & skf21("5","7","2","5","6","5","6","1") = "6"
    & skf21("5","7","2","5","6","5","7","1") = "6"
    & skf21("5","7","2","5","6","6","1","1") = "6"
    & skf21("5","7","2","5","6","6","2","1") = "6"
    & skf21("5","7","2","5","6","6","3","1") = "6"
    & skf21("5","7","2","5","6","6","4","1") = "6"
    & skf21("5","7","2","5","6","6","5","1") = "6"
    & skf21("5","7","2","5","6","6","6","1") = "6"
    & skf21("5","7","2","5","6","6","7","1") = "6"
    & skf21("5","7","2","5","6","7","1","1") = "6"
    & skf21("5","7","2","5","6","7","2","1") = "6"
    & skf21("5","7","2","5","6","7","3","1") = "6"
    & skf21("5","7","2","5","6","7","4","1") = "6"
    & skf21("5","7","2","5","6","7","5","1") = "6"
    & skf21("5","7","2","5","6","7","6","1") = "6"
    & skf21("5","7","2","5","6","7","7","1") = "6"
    & skf21("5","7","2","5","7","1","1","1") = "6"
    & skf21("5","7","2","5","7","1","2","1") = "6"
    & skf21("5","7","2","5","7","1","3","1") = "6"
    & skf21("5","7","2","5","7","1","4","1") = "6"
    & skf21("5","7","2","5","7","1","5","1") = "6"
    & skf21("5","7","2","5","7","1","6","1") = "6"
    & skf21("5","7","2","5","7","1","7","1") = "6"
    & skf21("5","7","2","5","7","2","1","1") = "6"
    & skf21("5","7","2","5","7","2","2","1") = "6"
    & skf21("5","7","2","5","7","2","3","1") = "6"
    & skf21("5","7","2","5","7","2","4","1") = "6"
    & skf21("5","7","2","5","7","2","5","1") = "6"
    & skf21("5","7","2","5","7","2","6","1") = "6"
    & skf21("5","7","2","5","7","2","7","1") = "6"
    & skf21("5","7","2","5","7","3","1","1") = "6"
    & skf21("5","7","2","5","7","3","2","1") = "6"
    & skf21("5","7","2","5","7","3","3","1") = "6"
    & skf21("5","7","2","5","7","3","4","1") = "6"
    & skf21("5","7","2","5","7","3","5","1") = "6"
    & skf21("5","7","2","5","7","3","6","1") = "6"
    & skf21("5","7","2","5","7","3","7","1") = "6"
    & skf21("5","7","2","5","7","4","1","1") = "6"
    & skf21("5","7","2","5","7","4","2","1") = "6"
    & skf21("5","7","2","5","7","4","3","1") = "6"
    & skf21("5","7","2","5","7","4","4","1") = "6"
    & skf21("5","7","2","5","7","4","5","1") = "6"
    & skf21("5","7","2","5","7","4","6","1") = "6"
    & skf21("5","7","2","5","7","4","7","1") = "6"
    & skf21("5","7","2","5","7","5","1","1") = "6"
    & skf21("5","7","2","5","7","5","2","1") = "6"
    & skf21("5","7","2","5","7","5","3","1") = "6"
    & skf21("5","7","2","5","7","5","4","1") = "6"
    & skf21("5","7","2","5","7","5","5","1") = "6"
    & skf21("5","7","2","5","7","5","6","1") = "6"
    & skf21("5","7","2","5","7","5","7","1") = "6"
    & skf21("5","7","2","5","7","6","1","1") = "6"
    & skf21("5","7","2","5","7","6","2","1") = "6"
    & skf21("5","7","2","5","7","6","3","1") = "6"
    & skf21("5","7","2","5","7","6","4","1") = "6"
    & skf21("5","7","2","5","7","6","5","1") = "6"
    & skf21("5","7","2","5","7","6","6","1") = "6"
    & skf21("5","7","2","5","7","6","7","1") = "6"
    & skf21("5","7","2","5","7","7","1","1") = "6"
    & skf21("5","7","2","5","7","7","2","1") = "6"
    & skf21("5","7","2","5","7","7","3","1") = "6"
    & skf21("5","7","2","5","7","7","4","1") = "6"
    & skf21("5","7","2","5","7","7","5","1") = "6"
    & skf21("5","7","2","5","7","7","6","1") = "6"
    & skf21("5","7","2","5","7","7","7","1") = "6"
    & skf21("5","7","2","6","1","1","1","1") = "6"
    & skf21("5","7","2","6","1","1","2","1") = "6"
    & skf21("5","7","2","6","1","1","3","1") = "6"
    & skf21("5","7","2","6","1","1","4","1") = "6"
    & skf21("5","7","2","6","1","1","5","1") = "6"
    & skf21("5","7","2","6","1","1","6","1") = "6"
    & skf21("5","7","2","6","1","1","7","1") = "6"
    & skf21("5","7","2","6","1","2","1","1") = "6"
    & skf21("5","7","2","6","1","2","2","1") = "6"
    & skf21("5","7","2","6","1","2","3","1") = "6"
    & skf21("5","7","2","6","1","2","4","1") = "6"
    & skf21("5","7","2","6","1","2","5","1") = "6"
    & skf21("5","7","2","6","1","2","6","1") = "6"
    & skf21("5","7","2","6","1","2","7","1") = "6"
    & skf21("5","7","2","6","1","3","1","1") = "6"
    & skf21("5","7","2","6","1","3","2","1") = "6"
    & skf21("5","7","2","6","1","3","3","1") = "6"
    & skf21("5","7","2","6","1","3","4","1") = "6"
    & skf21("5","7","2","6","1","3","5","1") = "6"
    & skf21("5","7","2","6","1","3","6","1") = "6"
    & skf21("5","7","2","6","1","3","7","1") = "6"
    & skf21("5","7","2","6","1","4","1","1") = "6"
    & skf21("5","7","2","6","1","4","2","1") = "6"
    & skf21("5","7","2","6","1","4","3","1") = "6"
    & skf21("5","7","2","6","1","4","4","1") = "6"
    & skf21("5","7","2","6","1","4","5","1") = "6"
    & skf21("5","7","2","6","1","4","6","1") = "6"
    & skf21("5","7","2","6","1","4","7","1") = "6"
    & skf21("5","7","2","6","1","5","1","1") = "6"
    & skf21("5","7","2","6","1","5","2","1") = "6"
    & skf21("5","7","2","6","1","5","3","1") = "6"
    & skf21("5","7","2","6","1","5","4","1") = "6"
    & skf21("5","7","2","6","1","5","5","1") = "6"
    & skf21("5","7","2","6","1","5","6","1") = "6"
    & skf21("5","7","2","6","1","5","7","1") = "6"
    & skf21("5","7","2","6","1","6","1","1") = "6"
    & skf21("5","7","2","6","1","6","2","1") = "6"
    & skf21("5","7","2","6","1","6","3","1") = "6"
    & skf21("5","7","2","6","1","6","4","1") = "6"
    & skf21("5","7","2","6","1","6","5","1") = "6"
    & skf21("5","7","2","6","1","6","6","1") = "6"
    & skf21("5","7","2","6","1","6","7","1") = "6"
    & skf21("5","7","2","6","1","7","1","1") = "6"
    & skf21("5","7","2","6","1","7","2","1") = "6"
    & skf21("5","7","2","6","1","7","3","1") = "6"
    & skf21("5","7","2","6","1","7","4","1") = "6"
    & skf21("5","7","2","6","1","7","5","1") = "6"
    & skf21("5","7","2","6","1","7","6","1") = "6"
    & skf21("5","7","2","6","1","7","7","1") = "6"
    & skf21("5","7","2","6","2","1","1","1") = "6"
    & skf21("5","7","2","6","2","1","2","1") = "6"
    & skf21("5","7","2","6","2","1","3","1") = "6"
    & skf21("5","7","2","6","2","1","4","1") = "6"
    & skf21("5","7","2","6","2","1","5","1") = "6"
    & skf21("5","7","2","6","2","1","6","1") = "6"
    & skf21("5","7","2","6","2","1","7","1") = "6"
    & skf21("5","7","2","6","2","2","1","1") = "6"
    & skf21("5","7","2","6","2","2","2","1") = "6"
    & skf21("5","7","2","6","2","2","3","1") = "6"
    & skf21("5","7","2","6","2","2","4","1") = "6"
    & skf21("5","7","2","6","2","2","5","1") = "6"
    & skf21("5","7","2","6","2","2","6","1") = "6"
    & skf21("5","7","2","6","2","2","7","1") = "6"
    & skf21("5","7","2","6","2","3","1","1") = "6"
    & skf21("5","7","2","6","2","3","2","1") = "6"
    & skf21("5","7","2","6","2","3","3","1") = "6"
    & skf21("5","7","2","6","2","3","4","1") = "6"
    & skf21("5","7","2","6","2","3","5","1") = "6"
    & skf21("5","7","2","6","2","3","6","1") = "6"
    & skf21("5","7","2","6","2","3","7","1") = "6"
    & skf21("5","7","2","6","2","4","1","1") = "6"
    & skf21("5","7","2","6","2","4","2","1") = "6"
    & skf21("5","7","2","6","2","4","3","1") = "6"
    & skf21("5","7","2","6","2","4","4","1") = "6"
    & skf21("5","7","2","6","2","4","5","1") = "6"
    & skf21("5","7","2","6","2","4","6","1") = "6"
    & skf21("5","7","2","6","2","4","7","1") = "6"
    & skf21("5","7","2","6","2","5","1","1") = "6"
    & skf21("5","7","2","6","2","5","2","1") = "6"
    & skf21("5","7","2","6","2","5","3","1") = "6"
    & skf21("5","7","2","6","2","5","4","1") = "6"
    & skf21("5","7","2","6","2","5","5","1") = "6"
    & skf21("5","7","2","6","2","5","6","1") = "6"
    & skf21("5","7","2","6","2","5","7","1") = "6"
    & skf21("5","7","2","6","2","6","1","1") = "6"
    & skf21("5","7","2","6","2","6","2","1") = "6"
    & skf21("5","7","2","6","2","6","3","1") = "6"
    & skf21("5","7","2","6","2","6","4","1") = "6"
    & skf21("5","7","2","6","2","6","5","1") = "6"
    & skf21("5","7","2","6","2","6","6","1") = "6"
    & skf21("5","7","2","6","2","6","7","1") = "6"
    & skf21("5","7","2","6","2","7","1","1") = "6"
    & skf21("5","7","2","6","2","7","2","1") = "6"
    & skf21("5","7","2","6","2","7","3","1") = "6"
    & skf21("5","7","2","6","2","7","4","1") = "6"
    & skf21("5","7","2","6","2","7","5","1") = "6"
    & skf21("5","7","2","6","2","7","6","1") = "6"
    & skf21("5","7","2","6","2","7","7","1") = "6"
    & skf21("5","7","2","6","3","1","1","1") = "6"
    & skf21("5","7","2","6","3","1","2","1") = "6"
    & skf21("5","7","2","6","3","1","3","1") = "6"
    & skf21("5","7","2","6","3","1","4","1") = "6"
    & skf21("5","7","2","6","3","1","5","1") = "6"
    & skf21("5","7","2","6","3","1","6","1") = "6"
    & skf21("5","7","2","6","3","1","7","1") = "6"
    & skf21("5","7","2","6","3","2","1","1") = "6"
    & skf21("5","7","2","6","3","2","2","1") = "6"
    & skf21("5","7","2","6","3","2","3","1") = "6"
    & skf21("5","7","2","6","3","2","4","1") = "6"
    & skf21("5","7","2","6","3","2","5","1") = "6"
    & skf21("5","7","2","6","3","2","6","1") = "6"
    & skf21("5","7","2","6","3","2","7","1") = "6"
    & skf21("5","7","2","6","3","3","1","1") = "6"
    & skf21("5","7","2","6","3","3","2","1") = "6"
    & skf21("5","7","2","6","3","3","3","1") = "6"
    & skf21("5","7","2","6","3","3","4","1") = "6"
    & skf21("5","7","2","6","3","3","5","1") = "6"
    & skf21("5","7","2","6","3","3","6","1") = "6"
    & skf21("5","7","2","6","3","3","7","1") = "6"
    & skf21("5","7","2","6","3","4","1","1") = "6"
    & skf21("5","7","2","6","3","4","2","1") = "6"
    & skf21("5","7","2","6","3","4","3","1") = "6"
    & skf21("5","7","2","6","3","4","4","1") = "6"
    & skf21("5","7","2","6","3","4","5","1") = "6"
    & skf21("5","7","2","6","3","4","6","1") = "6"
    & skf21("5","7","2","6","3","4","7","1") = "6"
    & skf21("5","7","2","6","3","5","1","1") = "6"
    & skf21("5","7","2","6","3","5","2","1") = "6"
    & skf21("5","7","2","6","3","5","3","1") = "6"
    & skf21("5","7","2","6","3","5","4","1") = "6"
    & skf21("5","7","2","6","3","5","5","1") = "6"
    & skf21("5","7","2","6","3","5","6","1") = "6"
    & skf21("5","7","2","6","3","5","7","1") = "6"
    & skf21("5","7","2","6","3","6","1","1") = "6"
    & skf21("5","7","2","6","3","6","2","1") = "6"
    & skf21("5","7","2","6","3","6","3","1") = "6"
    & skf21("5","7","2","6","3","6","4","1") = "6"
    & skf21("5","7","2","6","3","6","5","1") = "6"
    & skf21("5","7","2","6","3","6","6","1") = "6"
    & skf21("5","7","2","6","3","6","7","1") = "6"
    & skf21("5","7","2","6","3","7","1","1") = "6"
    & skf21("5","7","2","6","3","7","2","1") = "6"
    & skf21("5","7","2","6","3","7","3","1") = "6"
    & skf21("5","7","2","6","3","7","4","1") = "6"
    & skf21("5","7","2","6","3","7","5","1") = "6"
    & skf21("5","7","2","6","3","7","6","1") = "6"
    & skf21("5","7","2","6","3","7","7","1") = "6"
    & skf21("5","7","2","6","4","1","1","1") = "6"
    & skf21("5","7","2","6","4","1","2","1") = "6"
    & skf21("5","7","2","6","4","1","3","1") = "6"
    & skf21("5","7","2","6","4","1","4","1") = "6"
    & skf21("5","7","2","6","4","1","5","1") = "6"
    & skf21("5","7","2","6","4","1","6","1") = "6"
    & skf21("5","7","2","6","4","1","7","1") = "6"
    & skf21("5","7","2","6","4","2","1","1") = "6"
    & skf21("5","7","2","6","4","2","2","1") = "6"
    & skf21("5","7","2","6","4","2","3","1") = "6"
    & skf21("5","7","2","6","4","2","4","1") = "6"
    & skf21("5","7","2","6","4","2","5","1") = "6"
    & skf21("5","7","2","6","4","2","6","1") = "6"
    & skf21("5","7","2","6","4","2","7","1") = "6"
    & skf21("5","7","2","6","4","3","1","1") = "6"
    & skf21("5","7","2","6","4","3","2","1") = "6"
    & skf21("5","7","2","6","4","3","3","1") = "6"
    & skf21("5","7","2","6","4","3","4","1") = "6"
    & skf21("5","7","2","6","4","3","5","1") = "6"
    & skf21("5","7","2","6","4","3","6","1") = "6"
    & skf21("5","7","2","6","4","3","7","1") = "6"
    & skf21("5","7","2","6","4","4","1","1") = "6"
    & skf21("5","7","2","6","4","4","2","1") = "6"
    & skf21("5","7","2","6","4","4","3","1") = "6"
    & skf21("5","7","2","6","4","4","4","1") = "6"
    & skf21("5","7","2","6","4","4","5","1") = "6"
    & skf21("5","7","2","6","4","4","6","1") = "6"
    & skf21("5","7","2","6","4","4","7","1") = "6"
    & skf21("5","7","2","6","4","5","1","1") = "6"
    & skf21("5","7","2","6","4","5","2","1") = "6"
    & skf21("5","7","2","6","4","5","3","1") = "6"
    & skf21("5","7","2","6","4","5","4","1") = "6"
    & skf21("5","7","2","6","4","5","5","1") = "6"
    & skf21("5","7","2","6","4","5","6","1") = "6"
    & skf21("5","7","2","6","4","5","7","1") = "6"
    & skf21("5","7","2","6","4","6","1","1") = "6"
    & skf21("5","7","2","6","4","6","2","1") = "6"
    & skf21("5","7","2","6","4","6","3","1") = "6"
    & skf21("5","7","2","6","4","6","4","1") = "6"
    & skf21("5","7","2","6","4","6","5","1") = "6"
    & skf21("5","7","2","6","4","6","6","1") = "6"
    & skf21("5","7","2","6","4","6","7","1") = "6"
    & skf21("5","7","2","6","4","7","1","1") = "6"
    & skf21("5","7","2","6","4","7","2","1") = "6"
    & skf21("5","7","2","6","4","7","3","1") = "6"
    & skf21("5","7","2","6","4","7","4","1") = "6"
    & skf21("5","7","2","6","4","7","5","1") = "6"
    & skf21("5","7","2","6","4","7","6","1") = "6"
    & skf21("5","7","2","6","4","7","7","1") = "6"
    & skf21("5","7","2","6","5","1","1","1") = "6"
    & skf21("5","7","2","6","5","1","2","1") = "6"
    & skf21("5","7","2","6","5","1","3","1") = "6"
    & skf21("5","7","2","6","5","1","4","1") = "6"
    & skf21("5","7","2","6","5","1","5","1") = "6"
    & skf21("5","7","2","6","5","1","6","1") = "6"
    & skf21("5","7","2","6","5","1","7","1") = "6"
    & skf21("5","7","2","6","5","2","1","1") = "6"
    & skf21("5","7","2","6","5","2","2","1") = "6"
    & skf21("5","7","2","6","5","2","3","1") = "6"
    & skf21("5","7","2","6","5","2","4","1") = "6"
    & skf21("5","7","2","6","5","2","5","1") = "6"
    & skf21("5","7","2","6","5","2","6","1") = "6"
    & skf21("5","7","2","6","5","2","7","1") = "6"
    & skf21("5","7","2","6","5","3","1","1") = "6"
    & skf21("5","7","2","6","5","3","2","1") = "6"
    & skf21("5","7","2","6","5","3","3","1") = "6"
    & skf21("5","7","2","6","5","3","4","1") = "6"
    & skf21("5","7","2","6","5","3","5","1") = "6"
    & skf21("5","7","2","6","5","3","6","1") = "6"
    & skf21("5","7","2","6","5","3","7","1") = "6"
    & skf21("5","7","2","6","5","4","1","1") = "6"
    & skf21("5","7","2","6","5","4","2","1") = "6"
    & skf21("5","7","2","6","5","4","3","1") = "6"
    & skf21("5","7","2","6","5","4","4","1") = "6"
    & skf21("5","7","2","6","5","4","5","1") = "6"
    & skf21("5","7","2","6","5","4","6","1") = "6"
    & skf21("5","7","2","6","5","4","7","1") = "6"
    & skf21("5","7","2","6","5","5","1","1") = "6"
    & skf21("5","7","2","6","5","5","2","1") = "6"
    & skf21("5","7","2","6","5","5","3","1") = "6"
    & skf21("5","7","2","6","5","5","4","1") = "6"
    & skf21("5","7","2","6","5","5","5","1") = "6"
    & skf21("5","7","2","6","5","5","6","1") = "6"
    & skf21("5","7","2","6","5","5","7","1") = "6"
    & skf21("5","7","2","6","5","6","1","1") = "6"
    & skf21("5","7","2","6","5","6","2","1") = "6"
    & skf21("5","7","2","6","5","6","3","1") = "6"
    & skf21("5","7","2","6","5","6","4","1") = "6"
    & skf21("5","7","2","6","5","6","5","1") = "6"
    & skf21("5","7","2","6","5","6","6","1") = "6"
    & skf21("5","7","2","6","5","6","7","1") = "6"
    & skf21("5","7","2","6","5","7","1","1") = "6"
    & skf21("5","7","2","6","5","7","2","1") = "6"
    & skf21("5","7","2","6","5","7","3","1") = "6"
    & skf21("5","7","2","6","5","7","4","1") = "6"
    & skf21("5","7","2","6","5","7","5","1") = "6"
    & skf21("5","7","2","6","5","7","6","1") = "6"
    & skf21("5","7","2","6","5","7","7","1") = "6"
    & skf21("5","7","2","6","6","1","1","1") = "6"
    & skf21("5","7","2","6","6","1","2","1") = "6"
    & skf21("5","7","2","6","6","1","3","1") = "6"
    & skf21("5","7","2","6","6","1","4","1") = "6"
    & skf21("5","7","2","6","6","1","5","1") = "6"
    & skf21("5","7","2","6","6","1","6","1") = "6"
    & skf21("5","7","2","6","6","1","7","1") = "6"
    & skf21("5","7","2","6","6","2","1","1") = "6"
    & skf21("5","7","2","6","6","2","2","1") = "6"
    & skf21("5","7","2","6","6","2","3","1") = "6"
    & skf21("5","7","2","6","6","2","4","1") = "6"
    & skf21("5","7","2","6","6","2","5","1") = "6"
    & skf21("5","7","2","6","6","2","6","1") = "6"
    & skf21("5","7","2","6","6","2","7","1") = "6"
    & skf21("5","7","2","6","6","3","1","1") = "6"
    & skf21("5","7","2","6","6","3","2","1") = "6"
    & skf21("5","7","2","6","6","3","3","1") = "6"
    & skf21("5","7","2","6","6","3","4","1") = "6"
    & skf21("5","7","2","6","6","3","5","1") = "6"
    & skf21("5","7","2","6","6","3","6","1") = "6"
    & skf21("5","7","2","6","6","3","7","1") = "6"
    & skf21("5","7","2","6","6","4","1","1") = "6"
    & skf21("5","7","2","6","6","4","2","1") = "6"
    & skf21("5","7","2","6","6","4","3","1") = "6"
    & skf21("5","7","2","6","6","4","4","1") = "6"
    & skf21("5","7","2","6","6","4","5","1") = "6"
    & skf21("5","7","2","6","6","4","6","1") = "6"
    & skf21("5","7","2","6","6","4","7","1") = "6"
    & skf21("5","7","2","6","6","5","1","1") = "6"
    & skf21("5","7","2","6","6","5","2","1") = "6"
    & skf21("5","7","2","6","6","5","3","1") = "6"
    & skf21("5","7","2","6","6","5","4","1") = "6"
    & skf21("5","7","2","6","6","5","5","1") = "6"
    & skf21("5","7","2","6","6","5","6","1") = "6"
    & skf21("5","7","2","6","6","5","7","1") = "6"
    & skf21("5","7","2","6","6","6","1","1") = "6"
    & skf21("5","7","2","6","6","6","2","1") = "6"
    & skf21("5","7","2","6","6","6","3","1") = "6"
    & skf21("5","7","2","6","6","6","4","1") = "6"
    & skf21("5","7","2","6","6","6","5","1") = "6"
    & skf21("5","7","2","6","6","6","6","1") = "6"
    & skf21("5","7","2","6","6","6","7","1") = "6"
    & skf21("5","7","2","6","6","7","1","1") = "6"
    & skf21("5","7","2","6","6","7","2","1") = "6"
    & skf21("5","7","2","6","6","7","3","1") = "6"
    & skf21("5","7","2","6","6","7","4","1") = "6"
    & skf21("5","7","2","6","6","7","5","1") = "6"
    & skf21("5","7","2","6","6","7","6","1") = "6"
    & skf21("5","7","2","6","6","7","7","1") = "6"
    & skf21("5","7","2","6","7","1","1","1") = "6"
    & skf21("5","7","2","6","7","1","2","1") = "6"
    & skf21("5","7","2","6","7","1","3","1") = "6"
    & skf21("5","7","2","6","7","1","4","1") = "6"
    & skf21("5","7","2","6","7","1","5","1") = "6"
    & skf21("5","7","2","6","7","1","6","1") = "6"
    & skf21("5","7","2","6","7","1","7","1") = "6"
    & skf21("5","7","2","6","7","2","1","1") = "6"
    & skf21("5","7","2","6","7","2","2","1") = "6"
    & skf21("5","7","2","6","7","2","3","1") = "6"
    & skf21("5","7","2","6","7","2","4","1") = "6"
    & skf21("5","7","2","6","7","2","5","1") = "6"
    & skf21("5","7","2","6","7","2","6","1") = "6"
    & skf21("5","7","2","6","7","2","7","1") = "6"
    & skf21("5","7","2","6","7","3","1","1") = "6"
    & skf21("5","7","2","6","7","3","2","1") = "6"
    & skf21("5","7","2","6","7","3","3","1") = "6"
    & skf21("5","7","2","6","7","3","4","1") = "6"
    & skf21("5","7","2","6","7","3","5","1") = "6"
    & skf21("5","7","2","6","7","3","6","1") = "6"
    & skf21("5","7","2","6","7","3","7","1") = "6"
    & skf21("5","7","2","6","7","4","1","1") = "6"
    & skf21("5","7","2","6","7","4","2","1") = "6"
    & skf21("5","7","2","6","7","4","3","1") = "6"
    & skf21("5","7","2","6","7","4","4","1") = "6"
    & skf21("5","7","2","6","7","4","5","1") = "6"
    & skf21("5","7","2","6","7","4","6","1") = "6"
    & skf21("5","7","2","6","7","4","7","1") = "6"
    & skf21("5","7","2","6","7","5","1","1") = "6"
    & skf21("5","7","2","6","7","5","2","1") = "6"
    & skf21("5","7","2","6","7","5","3","1") = "6"
    & skf21("5","7","2","6","7","5","4","1") = "6"
    & skf21("5","7","2","6","7","5","5","1") = "6"
    & skf21("5","7","2","6","7","5","6","1") = "6"
    & skf21("5","7","2","6","7","5","7","1") = "6"
    & skf21("5","7","2","6","7","6","1","1") = "6"
    & skf21("5","7","2","6","7","6","2","1") = "6"
    & skf21("5","7","2","6","7","6","3","1") = "6"
    & skf21("5","7","2","6","7","6","4","1") = "6"
    & skf21("5","7","2","6","7","6","5","1") = "6"
    & skf21("5","7","2","6","7","6","6","1") = "6"
    & skf21("5","7","2","6","7","6","7","1") = "6"
    & skf21("5","7","2","6","7","7","1","1") = "6"
    & skf21("5","7","2","6","7","7","2","1") = "6"
    & skf21("5","7","2","6","7","7","3","1") = "6"
    & skf21("5","7","2","6","7","7","4","1") = "6"
    & skf21("5","7","2","6","7","7","5","1") = "6"
    & skf21("5","7","2","6","7","7","6","1") = "6"
    & skf21("5","7","2","6","7","7","7","1") = "6"
    & skf21("5","7","2","7","1","1","1","1") = "6"
    & skf21("5","7","2","7","1","1","2","1") = "6"
    & skf21("5","7","2","7","1","1","3","1") = "6"
    & skf21("5","7","2","7","1","1","4","1") = "6"
    & skf21("5","7","2","7","1","1","5","1") = "6"
    & skf21("5","7","2","7","1","1","6","1") = "6"
    & skf21("5","7","2","7","1","1","7","1") = "6"
    & skf21("5","7","2","7","1","2","1","1") = "6"
    & skf21("5","7","2","7","1","2","2","1") = "6"
    & skf21("5","7","2","7","1","2","3","1") = "6"
    & skf21("5","7","2","7","1","2","4","1") = "6"
    & skf21("5","7","2","7","1","2","5","1") = "6"
    & skf21("5","7","2","7","1","2","6","1") = "6"
    & skf21("5","7","2","7","1","2","7","1") = "6"
    & skf21("5","7","2","7","1","3","1","1") = "6"
    & skf21("5","7","2","7","1","3","2","1") = "6"
    & skf21("5","7","2","7","1","3","3","1") = "6"
    & skf21("5","7","2","7","1","3","4","1") = "6"
    & skf21("5","7","2","7","1","3","5","1") = "6"
    & skf21("5","7","2","7","1","3","6","1") = "6"
    & skf21("5","7","2","7","1","3","7","1") = "6"
    & skf21("5","7","2","7","1","4","1","1") = "6"
    & skf21("5","7","2","7","1","4","2","1") = "6"
    & skf21("5","7","2","7","1","4","3","1") = "6"
    & skf21("5","7","2","7","1","4","4","1") = "6"
    & skf21("5","7","2","7","1","4","5","1") = "6"
    & skf21("5","7","2","7","1","4","6","1") = "6"
    & skf21("5","7","2","7","1","4","7","1") = "6"
    & skf21("5","7","2","7","1","5","1","1") = "6"
    & skf21("5","7","2","7","1","5","2","1") = "6"
    & skf21("5","7","2","7","1","5","3","1") = "6"
    & skf21("5","7","2","7","1","5","4","1") = "6"
    & skf21("5","7","2","7","1","5","5","1") = "6"
    & skf21("5","7","2","7","1","5","6","1") = "6"
    & skf21("5","7","2","7","1","5","7","1") = "6"
    & skf21("5","7","2","7","1","6","1","1") = "6"
    & skf21("5","7","2","7","1","6","2","1") = "6"
    & skf21("5","7","2","7","1","6","3","1") = "6"
    & skf21("5","7","2","7","1","6","4","1") = "6"
    & skf21("5","7","2","7","1","6","5","1") = "6"
    & skf21("5","7","2","7","1","6","6","1") = "6"
    & skf21("5","7","2","7","1","6","7","1") = "6"
    & skf21("5","7","2","7","1","7","1","1") = "6"
    & skf21("5","7","2","7","1","7","2","1") = "6"
    & skf21("5","7","2","7","1","7","3","1") = "6"
    & skf21("5","7","2","7","1","7","4","1") = "6"
    & skf21("5","7","2","7","1","7","5","1") = "6"
    & skf21("5","7","2","7","1","7","6","1") = "6"
    & skf21("5","7","2","7","1","7","7","1") = "6"
    & skf21("5","7","2","7","2","1","1","1") = "6"
    & skf21("5","7","2","7","2","1","2","1") = "6"
    & skf21("5","7","2","7","2","1","3","1") = "6"
    & skf21("5","7","2","7","2","1","4","1") = "6"
    & skf21("5","7","2","7","2","1","5","1") = "6"
    & skf21("5","7","2","7","2","1","6","1") = "6"
    & skf21("5","7","2","7","2","1","7","1") = "6"
    & skf21("5","7","2","7","2","2","1","1") = "6"
    & skf21("5","7","2","7","2","2","2","1") = "6"
    & skf21("5","7","2","7","2","2","3","1") = "6"
    & skf21("5","7","2","7","2","2","4","1") = "6"
    & skf21("5","7","2","7","2","2","5","1") = "6"
    & skf21("5","7","2","7","2","2","6","1") = "6"
    & skf21("5","7","2","7","2","2","7","1") = "6"
    & skf21("5","7","2","7","2","3","1","1") = "6"
    & skf21("5","7","2","7","2","3","2","1") = "6"
    & skf21("5","7","2","7","2","3","3","1") = "6"
    & skf21("5","7","2","7","2","3","4","1") = "6"
    & skf21("5","7","2","7","2","3","5","1") = "6"
    & skf21("5","7","2","7","2","3","6","1") = "6"
    & skf21("5","7","2","7","2","3","7","1") = "6"
    & skf21("5","7","2","7","2","4","1","1") = "6"
    & skf21("5","7","2","7","2","4","2","1") = "6"
    & skf21("5","7","2","7","2","4","3","1") = "6"
    & skf21("5","7","2","7","2","4","4","1") = "6"
    & skf21("5","7","2","7","2","4","5","1") = "6"
    & skf21("5","7","2","7","2","4","6","1") = "6"
    & skf21("5","7","2","7","2","4","7","1") = "6"
    & skf21("5","7","2","7","2","5","1","1") = "6"
    & skf21("5","7","2","7","2","5","2","1") = "6"
    & skf21("5","7","2","7","2","5","3","1") = "6"
    & skf21("5","7","2","7","2","5","4","1") = "6"
    & skf21("5","7","2","7","2","5","5","1") = "6"
    & skf21("5","7","2","7","2","5","6","1") = "6"
    & skf21("5","7","2","7","2","5","7","1") = "6"
    & skf21("5","7","2","7","2","6","1","1") = "6"
    & skf21("5","7","2","7","2","6","2","1") = "6"
    & skf21("5","7","2","7","2","6","3","1") = "6"
    & skf21("5","7","2","7","2","6","4","1") = "6"
    & skf21("5","7","2","7","2","6","5","1") = "6"
    & skf21("5","7","2","7","2","6","6","1") = "6"
    & skf21("5","7","2","7","2","6","7","1") = "6"
    & skf21("5","7","2","7","2","7","1","1") = "6"
    & skf21("5","7","2","7","2","7","2","1") = "6"
    & skf21("5","7","2","7","2","7","3","1") = "6"
    & skf21("5","7","2","7","2","7","4","1") = "6"
    & skf21("5","7","2","7","2","7","5","1") = "6"
    & skf21("5","7","2","7","2","7","6","1") = "6"
    & skf21("5","7","2","7","2","7","7","1") = "6"
    & skf21("5","7","2","7","3","1","1","1") = "6"
    & skf21("5","7","2","7","3","1","2","1") = "6"
    & skf21("5","7","2","7","3","1","3","1") = "6"
    & skf21("5","7","2","7","3","1","4","1") = "6"
    & skf21("5","7","2","7","3","1","5","1") = "6"
    & skf21("5","7","2","7","3","1","6","1") = "6"
    & skf21("5","7","2","7","3","1","7","1") = "6"
    & skf21("5","7","2","7","3","2","1","1") = "6"
    & skf21("5","7","2","7","3","2","2","1") = "6"
    & skf21("5","7","2","7","3","2","3","1") = "6"
    & skf21("5","7","2","7","3","2","4","1") = "6"
    & skf21("5","7","2","7","3","2","5","1") = "6"
    & skf21("5","7","2","7","3","2","6","1") = "6"
    & skf21("5","7","2","7","3","2","7","1") = "6"
    & skf21("5","7","2","7","3","3","1","1") = "6"
    & skf21("5","7","2","7","3","3","2","1") = "6"
    & skf21("5","7","2","7","3","3","3","1") = "6"
    & skf21("5","7","2","7","3","3","4","1") = "6"
    & skf21("5","7","2","7","3","3","5","1") = "6"
    & skf21("5","7","2","7","3","3","6","1") = "6"
    & skf21("5","7","2","7","3","3","7","1") = "6"
    & skf21("5","7","2","7","3","4","1","1") = "6"
    & skf21("5","7","2","7","3","4","2","1") = "6"
    & skf21("5","7","2","7","3","4","3","1") = "6"
    & skf21("5","7","2","7","3","4","4","1") = "6"
    & skf21("5","7","2","7","3","4","5","1") = "6"
    & skf21("5","7","2","7","3","4","6","1") = "6"
    & skf21("5","7","2","7","3","4","7","1") = "6"
    & skf21("5","7","2","7","3","5","1","1") = "6"
    & skf21("5","7","2","7","3","5","2","1") = "6"
    & skf21("5","7","2","7","3","5","3","1") = "6"
    & skf21("5","7","2","7","3","5","4","1") = "6"
    & skf21("5","7","2","7","3","5","5","1") = "6"
    & skf21("5","7","2","7","3","5","6","1") = "6"
    & skf21("5","7","2","7","3","5","7","1") = "6"
    & skf21("5","7","2","7","3","6","1","1") = "6"
    & skf21("5","7","2","7","3","6","2","1") = "6"
    & skf21("5","7","2","7","3","6","3","1") = "6"
    & skf21("5","7","2","7","3","6","4","1") = "6"
    & skf21("5","7","2","7","3","6","5","1") = "6"
    & skf21("5","7","2","7","3","6","6","1") = "6"
    & skf21("5","7","2","7","3","6","7","1") = "6"
    & skf21("5","7","2","7","3","7","1","1") = "6"
    & skf21("5","7","2","7","3","7","2","1") = "6"
    & skf21("5","7","2","7","3","7","3","1") = "6"
    & skf21("5","7","2","7","3","7","4","1") = "6"
    & skf21("5","7","2","7","3","7","5","1") = "6"
    & skf21("5","7","2","7","3","7","6","1") = "6"
    & skf21("5","7","2","7","3","7","7","1") = "6"
    & skf21("5","7","2","7","4","1","1","1") = "6"
    & skf21("5","7","2","7","4","1","2","1") = "6"
    & skf21("5","7","2","7","4","1","3","1") = "6"
    & skf21("5","7","2","7","4","1","4","1") = "6"
    & skf21("5","7","2","7","4","1","5","1") = "6"
    & skf21("5","7","2","7","4","1","6","1") = "6"
    & skf21("5","7","2","7","4","1","7","1") = "6"
    & skf21("5","7","2","7","4","2","1","1") = "6"
    & skf21("5","7","2","7","4","2","2","1") = "6"
    & skf21("5","7","2","7","4","2","3","1") = "6"
    & skf21("5","7","2","7","4","2","4","1") = "6"
    & skf21("5","7","2","7","4","2","5","1") = "6"
    & skf21("5","7","2","7","4","2","6","1") = "6"
    & skf21("5","7","2","7","4","2","7","1") = "6"
    & skf21("5","7","2","7","4","3","1","1") = "6"
    & skf21("5","7","2","7","4","3","2","1") = "6"
    & skf21("5","7","2","7","4","3","3","1") = "6"
    & skf21("5","7","2","7","4","3","4","1") = "6"
    & skf21("5","7","2","7","4","3","5","1") = "6"
    & skf21("5","7","2","7","4","3","6","1") = "6"
    & skf21("5","7","2","7","4","3","7","1") = "6"
    & skf21("5","7","2","7","4","4","1","1") = "6"
    & skf21("5","7","2","7","4","4","2","1") = "6"
    & skf21("5","7","2","7","4","4","3","1") = "6"
    & skf21("5","7","2","7","4","4","4","1") = "6"
    & skf21("5","7","2","7","4","4","5","1") = "6"
    & skf21("5","7","2","7","4","4","6","1") = "6"
    & skf21("5","7","2","7","4","4","7","1") = "6"
    & skf21("5","7","2","7","4","5","1","1") = "6"
    & skf21("5","7","2","7","4","5","2","1") = "6"
    & skf21("5","7","2","7","4","5","3","1") = "6"
    & skf21("5","7","2","7","4","5","4","1") = "6"
    & skf21("5","7","2","7","4","5","5","1") = "6"
    & skf21("5","7","2","7","4","5","6","1") = "6"
    & skf21("5","7","2","7","4","5","7","1") = "6"
    & skf21("5","7","2","7","4","6","1","1") = "6"
    & skf21("5","7","2","7","4","6","2","1") = "6"
    & skf21("5","7","2","7","4","6","3","1") = "6"
    & skf21("5","7","2","7","4","6","4","1") = "6"
    & skf21("5","7","2","7","4","6","5","1") = "6"
    & skf21("5","7","2","7","4","6","6","1") = "6"
    & skf21("5","7","2","7","4","6","7","1") = "6"
    & skf21("5","7","2","7","4","7","1","1") = "6"
    & skf21("5","7","2","7","4","7","2","1") = "6"
    & skf21("5","7","2","7","4","7","3","1") = "6"
    & skf21("5","7","2","7","4","7","4","1") = "6"
    & skf21("5","7","2","7","4","7","5","1") = "6"
    & skf21("5","7","2","7","4","7","6","1") = "6"
    & skf21("5","7","2","7","4","7","7","1") = "6"
    & skf21("5","7","2","7","5","1","1","1") = "6"
    & skf21("5","7","2","7","5","1","2","1") = "6"
    & skf21("5","7","2","7","5","1","3","1") = "6"
    & skf21("5","7","2","7","5","1","4","1") = "6"
    & skf21("5","7","2","7","5","1","5","1") = "6"
    & skf21("5","7","2","7","5","1","6","1") = "6"
    & skf21("5","7","2","7","5","1","7","1") = "6"
    & skf21("5","7","2","7","5","2","1","1") = "6"
    & skf21("5","7","2","7","5","2","2","1") = "6"
    & skf21("5","7","2","7","5","2","3","1") = "6"
    & skf21("5","7","2","7","5","2","4","1") = "6"
    & skf21("5","7","2","7","5","2","5","1") = "6"
    & skf21("5","7","2","7","5","2","6","1") = "6"
    & skf21("5","7","2","7","5","2","7","1") = "6"
    & skf21("5","7","2","7","5","3","1","1") = "6"
    & skf21("5","7","2","7","5","3","2","1") = "6"
    & skf21("5","7","2","7","5","3","3","1") = "6"
    & skf21("5","7","2","7","5","3","4","1") = "6"
    & skf21("5","7","2","7","5","3","5","1") = "6"
    & skf21("5","7","2","7","5","3","6","1") = "6"
    & skf21("5","7","2","7","5","3","7","1") = "6"
    & skf21("5","7","2","7","5","4","1","1") = "6"
    & skf21("5","7","2","7","5","4","2","1") = "6"
    & skf21("5","7","2","7","5","4","3","1") = "6"
    & skf21("5","7","2","7","5","4","4","1") = "6"
    & skf21("5","7","2","7","5","4","5","1") = "6"
    & skf21("5","7","2","7","5","4","6","1") = "6"
    & skf21("5","7","2","7","5","4","7","1") = "6"
    & skf21("5","7","2","7","5","5","1","1") = "6"
    & skf21("5","7","2","7","5","5","2","1") = "6"
    & skf21("5","7","2","7","5","5","3","1") = "6"
    & skf21("5","7","2","7","5","5","4","1") = "6"
    & skf21("5","7","2","7","5","5","5","1") = "6"
    & skf21("5","7","2","7","5","5","6","1") = "6"
    & skf21("5","7","2","7","5","5","7","1") = "6"
    & skf21("5","7","2","7","5","6","1","1") = "6"
    & skf21("5","7","2","7","5","6","2","1") = "6"
    & skf21("5","7","2","7","5","6","3","1") = "6"
    & skf21("5","7","2","7","5","6","4","1") = "6"
    & skf21("5","7","2","7","5","6","5","1") = "6"
    & skf21("5","7","2","7","5","6","6","1") = "6"
    & skf21("5","7","2","7","5","6","7","1") = "6"
    & skf21("5","7","2","7","5","7","1","1") = "6"
    & skf21("5","7","2","7","5","7","2","1") = "6"
    & skf21("5","7","2","7","5","7","3","1") = "6"
    & skf21("5","7","2","7","5","7","4","1") = "6"
    & skf21("5","7","2","7","5","7","5","1") = "6"
    & skf21("5","7","2","7","5","7","6","1") = "6"
    & skf21("5","7","2","7","5","7","7","1") = "6"
    & skf21("5","7","2","7","6","1","1","1") = "6"
    & skf21("5","7","2","7","6","1","2","1") = "6"
    & skf21("5","7","2","7","6","1","3","1") = "6"
    & skf21("5","7","2","7","6","1","4","1") = "6"
    & skf21("5","7","2","7","6","1","5","1") = "6"
    & skf21("5","7","2","7","6","1","6","1") = "6"
    & skf21("5","7","2","7","6","1","7","1") = "6"
    & skf21("5","7","2","7","6","2","1","1") = "6"
    & skf21("5","7","2","7","6","2","2","1") = "6"
    & skf21("5","7","2","7","6","2","3","1") = "6"
    & skf21("5","7","2","7","6","2","4","1") = "6"
    & skf21("5","7","2","7","6","2","5","1") = "6"
    & skf21("5","7","2","7","6","2","6","1") = "6"
    & skf21("5","7","2","7","6","2","7","1") = "6"
    & skf21("5","7","2","7","6","3","1","1") = "6"
    & skf21("5","7","2","7","6","3","2","1") = "6"
    & skf21("5","7","2","7","6","3","3","1") = "6"
    & skf21("5","7","2","7","6","3","4","1") = "6"
    & skf21("5","7","2","7","6","3","5","1") = "6"
    & skf21("5","7","2","7","6","3","6","1") = "6"
    & skf21("5","7","2","7","6","3","7","1") = "6"
    & skf21("5","7","2","7","6","4","1","1") = "6"
    & skf21("5","7","2","7","6","4","2","1") = "6"
    & skf21("5","7","2","7","6","4","3","1") = "6"
    & skf21("5","7","2","7","6","4","4","1") = "6"
    & skf21("5","7","2","7","6","4","5","1") = "6"
    & skf21("5","7","2","7","6","4","6","1") = "6"
    & skf21("5","7","2","7","6","4","7","1") = "6"
    & skf21("5","7","2","7","6","5","1","1") = "6"
    & skf21("5","7","2","7","6","5","2","1") = "6"
    & skf21("5","7","2","7","6","5","3","1") = "6"
    & skf21("5","7","2","7","6","5","4","1") = "6"
    & skf21("5","7","2","7","6","5","5","1") = "6"
    & skf21("5","7","2","7","6","5","6","1") = "6"
    & skf21("5","7","2","7","6","5","7","1") = "6"
    & skf21("5","7","2","7","6","6","1","1") = "6"
    & skf21("5","7","2","7","6","6","2","1") = "6"
    & skf21("5","7","2","7","6","6","3","1") = "6"
    & skf21("5","7","2","7","6","6","4","1") = "6"
    & skf21("5","7","2","7","6","6","5","1") = "6"
    & skf21("5","7","2","7","6","6","6","1") = "6"
    & skf21("5","7","2","7","6","6","7","1") = "6"
    & skf21("5","7","2","7","6","7","1","1") = "6"
    & skf21("5","7","2","7","6","7","2","1") = "6"
    & skf21("5","7","2","7","6","7","3","1") = "6"
    & skf21("5","7","2","7","6","7","4","1") = "6"
    & skf21("5","7","2","7","6","7","5","1") = "6"
    & skf21("5","7","2","7","6","7","6","1") = "6"
    & skf21("5","7","2","7","6","7","7","1") = "6"
    & skf21("5","7","2","7","7","1","1","1") = "6"
    & skf21("5","7","2","7","7","1","2","1") = "6"
    & skf21("5","7","2","7","7","1","3","1") = "6"
    & skf21("5","7","2","7","7","1","4","1") = "6"
    & skf21("5","7","2","7","7","1","5","1") = "6"
    & skf21("5","7","2","7","7","1","6","1") = "6"
    & skf21("5","7","2","7","7","1","7","1") = "6"
    & skf21("5","7","2","7","7","2","1","1") = "6"
    & skf21("5","7","2","7","7","2","2","1") = "6"
    & skf21("5","7","2","7","7","2","3","1") = "6"
    & skf21("5","7","2","7","7","2","4","1") = "6"
    & skf21("5","7","2","7","7","2","5","1") = "6"
    & skf21("5","7","2","7","7","2","6","1") = "6"
    & skf21("5","7","2","7","7","2","7","1") = "6"
    & skf21("5","7","2","7","7","3","1","1") = "6"
    & skf21("5","7","2","7","7","3","2","1") = "6"
    & skf21("5","7","2","7","7","3","3","1") = "6"
    & skf21("5","7","2","7","7","3","4","1") = "6"
    & skf21("5","7","2","7","7","3","5","1") = "6"
    & skf21("5","7","2","7","7","3","6","1") = "6"
    & skf21("5","7","2","7","7","3","7","1") = "6"
    & skf21("5","7","2","7","7","4","1","1") = "6"
    & skf21("5","7","2","7","7","4","2","1") = "6"
    & skf21("5","7","2","7","7","4","3","1") = "6"
    & skf21("5","7","2","7","7","4","4","1") = "6"
    & skf21("5","7","2","7","7","4","5","1") = "6"
    & skf21("5","7","2","7","7","4","6","1") = "6"
    & skf21("5","7","2","7","7","4","7","1") = "6"
    & skf21("5","7","2","7","7","5","1","1") = "6"
    & skf21("5","7","2","7","7","5","2","1") = "6"
    & skf21("5","7","2","7","7","5","3","1") = "6"
    & skf21("5","7","2","7","7","5","4","1") = "6"
    & skf21("5","7","2","7","7","5","5","1") = "6"
    & skf21("5","7","2","7","7","5","6","1") = "6"
    & skf21("5","7","2","7","7","5","7","1") = "6"
    & skf21("5","7","2","7","7","6","1","1") = "6"
    & skf21("5","7","2","7","7","6","2","1") = "6"
    & skf21("5","7","2","7","7","6","3","1") = "6"
    & skf21("5","7","2","7","7","6","4","1") = "6"
    & skf21("5","7","2","7","7","6","5","1") = "6"
    & skf21("5","7","2","7","7","6","6","1") = "6"
    & skf21("5","7","2","7","7","6","7","1") = "6"
    & skf21("5","7","2","7","7","7","1","1") = "6"
    & skf21("5","7","2","7","7","7","2","1") = "6"
    & skf21("5","7","2","7","7","7","3","1") = "6"
    & skf21("5","7","2","7","7","7","4","1") = "6"
    & skf21("5","7","2","7","7","7","5","1") = "6"
    & skf21("5","7","2","7","7","7","6","1") = "6"
    & skf21("5","7","2","7","7","7","7","1") = "6"
    & skf21("5","7","3","1","1","1","1","1") = "6"
    & skf21("5","7","3","1","1","1","2","1") = "6"
    & skf21("5","7","3","1","1","1","3","1") = "6"
    & skf21("5","7","3","1","1","1","4","1") = "6"
    & skf21("5","7","3","1","1","1","5","1") = "6"
    & skf21("5","7","3","1","1","1","6","1") = "6"
    & skf21("5","7","3","1","1","1","7","1") = "6"
    & skf21("5","7","3","1","1","2","1","1") = "6"
    & skf21("5","7","3","1","1","2","2","1") = "6"
    & skf21("5","7","3","1","1","2","3","1") = "6"
    & skf21("5","7","3","1","1","2","4","1") = "6"
    & skf21("5","7","3","1","1","2","5","1") = "6"
    & skf21("5","7","3","1","1","2","6","1") = "6"
    & skf21("5","7","3","1","1","2","7","1") = "6"
    & skf21("5","7","3","1","1","3","1","1") = "6"
    & skf21("5","7","3","1","1","3","2","1") = "6"
    & skf21("5","7","3","1","1","3","3","1") = "6"
    & skf21("5","7","3","1","1","3","4","1") = "6"
    & skf21("5","7","3","1","1","3","5","1") = "6"
    & skf21("5","7","3","1","1","3","6","1") = "6"
    & skf21("5","7","3","1","1","3","7","1") = "6"
    & skf21("5","7","3","1","1","4","1","1") = "6"
    & skf21("5","7","3","1","1","4","2","1") = "6"
    & skf21("5","7","3","1","1","4","3","1") = "6"
    & skf21("5","7","3","1","1","4","4","1") = "6"
    & skf21("5","7","3","1","1","4","5","1") = "6"
    & skf21("5","7","3","1","1","4","6","1") = "6"
    & skf21("5","7","3","1","1","4","7","1") = "6"
    & skf21("5","7","3","1","1","5","1","1") = "6"
    & skf21("5","7","3","1","1","5","2","1") = "6"
    & skf21("5","7","3","1","1","5","3","1") = "6"
    & skf21("5","7","3","1","1","5","4","1") = "6"
    & skf21("5","7","3","1","1","5","5","1") = "6"
    & skf21("5","7","3","1","1","5","6","1") = "6"
    & skf21("5","7","3","1","1","5","7","1") = "6"
    & skf21("5","7","3","1","1","6","1","1") = "6"
    & skf21("5","7","3","1","1","6","2","1") = "6"
    & skf21("5","7","3","1","1","6","3","1") = "6"
    & skf21("5","7","3","1","1","6","4","1") = "6"
    & skf21("5","7","3","1","1","6","5","1") = "6"
    & skf21("5","7","3","1","1","6","6","1") = "6"
    & skf21("5","7","3","1","1","6","7","1") = "6"
    & skf21("5","7","3","1","1","7","1","1") = "6"
    & skf21("5","7","3","1","1","7","2","1") = "6"
    & skf21("5","7","3","1","1","7","3","1") = "6"
    & skf21("5","7","3","1","1","7","4","1") = "6"
    & skf21("5","7","3","1","1","7","5","1") = "6"
    & skf21("5","7","3","1","1","7","6","1") = "6"
    & skf21("5","7","3","1","1","7","7","1") = "6"
    & skf21("5","7","3","1","2","1","1","1") = "6"
    & skf21("5","7","3","1","2","1","2","1") = "6"
    & skf21("5","7","3","1","2","1","3","1") = "6"
    & skf21("5","7","3","1","2","1","4","1") = "6"
    & skf21("5","7","3","1","2","1","5","1") = "6"
    & skf21("5","7","3","1","2","1","6","1") = "6"
    & skf21("5","7","3","1","2","1","7","1") = "6"
    & skf21("5","7","3","1","2","2","1","1") = "6"
    & skf21("5","7","3","1","2","2","2","1") = "6"
    & skf21("5","7","3","1","2","2","3","1") = "6"
    & skf21("5","7","3","1","2","2","4","1") = "6"
    & skf21("5","7","3","1","2","2","5","1") = "6"
    & skf21("5","7","3","1","2","2","6","1") = "6"
    & skf21("5","7","3","1","2","2","7","1") = "6"
    & skf21("5","7","3","1","2","3","1","1") = "6"
    & skf21("5","7","3","1","2","3","2","1") = "6"
    & skf21("5","7","3","1","2","3","3","1") = "6"
    & skf21("5","7","3","1","2","3","4","1") = "6"
    & skf21("5","7","3","1","2","3","5","1") = "6"
    & skf21("5","7","3","1","2","3","6","1") = "6"
    & skf21("5","7","3","1","2","3","7","1") = "6"
    & skf21("5","7","3","1","2","4","1","1") = "6"
    & skf21("5","7","3","1","2","4","2","1") = "6"
    & skf21("5","7","3","1","2","4","3","1") = "6"
    & skf21("5","7","3","1","2","4","4","1") = "6"
    & skf21("5","7","3","1","2","4","5","1") = "6"
    & skf21("5","7","3","1","2","4","6","1") = "6"
    & skf21("5","7","3","1","2","4","7","1") = "6"
    & skf21("5","7","3","1","2","5","1","1") = "6"
    & skf21("5","7","3","1","2","5","2","1") = "6"
    & skf21("5","7","3","1","2","5","3","1") = "6"
    & skf21("5","7","3","1","2","5","4","1") = "6"
    & skf21("5","7","3","1","2","5","5","1") = "6"
    & skf21("5","7","3","1","2","5","6","1") = "6"
    & skf21("5","7","3","1","2","5","7","1") = "6"
    & skf21("5","7","3","1","2","6","1","1") = "6"
    & skf21("5","7","3","1","2","6","2","1") = "6"
    & skf21("5","7","3","1","2","6","3","1") = "6"
    & skf21("5","7","3","1","2","6","4","1") = "6"
    & skf21("5","7","3","1","2","6","5","1") = "6"
    & skf21("5","7","3","1","2","6","6","1") = "6"
    & skf21("5","7","3","1","2","6","7","1") = "6"
    & skf21("5","7","3","1","2","7","1","1") = "6"
    & skf21("5","7","3","1","2","7","2","1") = "6"
    & skf21("5","7","3","1","2","7","3","1") = "6"
    & skf21("5","7","3","1","2","7","4","1") = "6"
    & skf21("5","7","3","1","2","7","5","1") = "6"
    & skf21("5","7","3","1","2","7","6","1") = "6"
    & skf21("5","7","3","1","2","7","7","1") = "6"
    & skf21("5","7","3","1","3","1","1","1") = "6"
    & skf21("5","7","3","1","3","1","2","1") = "6"
    & skf21("5","7","3","1","3","1","3","1") = "6"
    & skf21("5","7","3","1","3","1","4","1") = "6"
    & skf21("5","7","3","1","3","1","5","1") = "6"
    & skf21("5","7","3","1","3","1","6","1") = "6"
    & skf21("5","7","3","1","3","1","7","1") = "6"
    & skf21("5","7","3","1","3","2","1","1") = "6"
    & skf21("5","7","3","1","3","2","2","1") = "6"
    & skf21("5","7","3","1","3","2","3","1") = "6"
    & skf21("5","7","3","1","3","2","4","1") = "6"
    & skf21("5","7","3","1","3","2","5","1") = "6"
    & skf21("5","7","3","1","3","2","6","1") = "6"
    & skf21("5","7","3","1","3","2","7","1") = "6"
    & skf21("5","7","3","1","3","3","1","1") = "6"
    & skf21("5","7","3","1","3","3","2","1") = "6"
    & skf21("5","7","3","1","3","3","3","1") = "6"
    & skf21("5","7","3","1","3","3","4","1") = "6"
    & skf21("5","7","3","1","3","3","5","1") = "6"
    & skf21("5","7","3","1","3","3","6","1") = "6"
    & skf21("5","7","3","1","3","3","7","1") = "6"
    & skf21("5","7","3","1","3","4","1","1") = "6"
    & skf21("5","7","3","1","3","4","2","1") = "6"
    & skf21("5","7","3","1","3","4","3","1") = "6"
    & skf21("5","7","3","1","3","4","4","1") = "6"
    & skf21("5","7","3","1","3","4","5","1") = "6"
    & skf21("5","7","3","1","3","4","6","1") = "6"
    & skf21("5","7","3","1","3","4","7","1") = "6"
    & skf21("5","7","3","1","3","5","1","1") = "6"
    & skf21("5","7","3","1","3","5","2","1") = "6"
    & skf21("5","7","3","1","3","5","3","1") = "6"
    & skf21("5","7","3","1","3","5","4","1") = "6"
    & skf21("5","7","3","1","3","5","5","1") = "6"
    & skf21("5","7","3","1","3","5","6","1") = "6"
    & skf21("5","7","3","1","3","5","7","1") = "6"
    & skf21("5","7","3","1","3","6","1","1") = "6"
    & skf21("5","7","3","1","3","6","2","1") = "6"
    & skf21("5","7","3","1","3","6","3","1") = "6"
    & skf21("5","7","3","1","3","6","4","1") = "6"
    & skf21("5","7","3","1","3","6","5","1") = "6"
    & skf21("5","7","3","1","3","6","6","1") = "6"
    & skf21("5","7","3","1","3","6","7","1") = "6"
    & skf21("5","7","3","1","3","7","1","1") = "6"
    & skf21("5","7","3","1","3","7","2","1") = "6"
    & skf21("5","7","3","1","3","7","3","1") = "6"
    & skf21("5","7","3","1","3","7","4","1") = "6"
    & skf21("5","7","3","1","3","7","5","1") = "6"
    & skf21("5","7","3","1","3","7","6","1") = "6"
    & skf21("5","7","3","1","3","7","7","1") = "6"
    & skf21("5","7","3","1","4","1","1","1") = "6"
    & skf21("5","7","3","1","4","1","2","1") = "6"
    & skf21("5","7","3","1","4","1","3","1") = "6"
    & skf21("5","7","3","1","4","1","4","1") = "6"
    & skf21("5","7","3","1","4","1","5","1") = "6"
    & skf21("5","7","3","1","4","1","6","1") = "6"
    & skf21("5","7","3","1","4","1","7","1") = "6"
    & skf21("5","7","3","1","4","2","1","1") = "6"
    & skf21("5","7","3","1","4","2","2","1") = "6"
    & skf21("5","7","3","1","4","2","3","1") = "6"
    & skf21("5","7","3","1","4","2","4","1") = "6"
    & skf21("5","7","3","1","4","2","5","1") = "6"
    & skf21("5","7","3","1","4","2","6","1") = "6"
    & skf21("5","7","3","1","4","2","7","1") = "6"
    & skf21("5","7","3","1","4","3","1","1") = "6"
    & skf21("5","7","3","1","4","3","2","1") = "6"
    & skf21("5","7","3","1","4","3","3","1") = "6"
    & skf21("5","7","3","1","4","3","4","1") = "6"
    & skf21("5","7","3","1","4","3","5","1") = "6"
    & skf21("5","7","3","1","4","3","6","1") = "6"
    & skf21("5","7","3","1","4","3","7","1") = "6"
    & skf21("5","7","3","1","4","4","1","1") = "6"
    & skf21("5","7","3","1","4","4","2","1") = "6"
    & skf21("5","7","3","1","4","4","3","1") = "6"
    & skf21("5","7","3","1","4","4","4","1") = "6"
    & skf21("5","7","3","1","4","4","5","1") = "6"
    & skf21("5","7","3","1","4","4","6","1") = "6"
    & skf21("5","7","3","1","4","4","7","1") = "6"
    & skf21("5","7","3","1","4","5","1","1") = "6"
    & skf21("5","7","3","1","4","5","2","1") = "6"
    & skf21("5","7","3","1","4","5","3","1") = "6"
    & skf21("5","7","3","1","4","5","4","1") = "6"
    & skf21("5","7","3","1","4","5","5","1") = "6"
    & skf21("5","7","3","1","4","5","6","1") = "6"
    & skf21("5","7","3","1","4","5","7","1") = "6"
    & skf21("5","7","3","1","4","6","1","1") = "6"
    & skf21("5","7","3","1","4","6","2","1") = "6"
    & skf21("5","7","3","1","4","6","3","1") = "6"
    & skf21("5","7","3","1","4","6","4","1") = "6"
    & skf21("5","7","3","1","4","6","5","1") = "6"
    & skf21("5","7","3","1","4","6","6","1") = "6"
    & skf21("5","7","3","1","4","6","7","1") = "6"
    & skf21("5","7","3","1","4","7","1","1") = "6"
    & skf21("5","7","3","1","4","7","2","1") = "6"
    & skf21("5","7","3","1","4","7","3","1") = "6"
    & skf21("5","7","3","1","4","7","4","1") = "6"
    & skf21("5","7","3","1","4","7","5","1") = "6"
    & skf21("5","7","3","1","4","7","6","1") = "6"
    & skf21("5","7","3","1","4","7","7","1") = "6"
    & skf21("5","7","3","1","5","1","1","1") = "6"
    & skf21("5","7","3","1","5","1","2","1") = "6"
    & skf21("5","7","3","1","5","1","3","1") = "6"
    & skf21("5","7","3","1","5","1","4","1") = "6"
    & skf21("5","7","3","1","5","1","5","1") = "6"
    & skf21("5","7","3","1","5","1","6","1") = "6"
    & skf21("5","7","3","1","5","1","7","1") = "6"
    & skf21("5","7","3","1","5","2","1","1") = "6"
    & skf21("5","7","3","1","5","2","2","1") = "6"
    & skf21("5","7","3","1","5","2","3","1") = "6"
    & skf21("5","7","3","1","5","2","4","1") = "6"
    & skf21("5","7","3","1","5","2","5","1") = "6"
    & skf21("5","7","3","1","5","2","6","1") = "6"
    & skf21("5","7","3","1","5","2","7","1") = "6"
    & skf21("5","7","3","1","5","3","1","1") = "6"
    & skf21("5","7","3","1","5","3","2","1") = "6"
    & skf21("5","7","3","1","5","3","3","1") = "6"
    & skf21("5","7","3","1","5","3","4","1") = "6"
    & skf21("5","7","3","1","5","3","5","1") = "6"
    & skf21("5","7","3","1","5","3","6","1") = "6"
    & skf21("5","7","3","1","5","3","7","1") = "6"
    & skf21("5","7","3","1","5","4","1","1") = "6"
    & skf21("5","7","3","1","5","4","2","1") = "6"
    & skf21("5","7","3","1","5","4","3","1") = "6"
    & skf21("5","7","3","1","5","4","4","1") = "6"
    & skf21("5","7","3","1","5","4","5","1") = "6"
    & skf21("5","7","3","1","5","4","6","1") = "6"
    & skf21("5","7","3","1","5","4","7","1") = "6"
    & skf21("5","7","3","1","5","5","1","1") = "6"
    & skf21("5","7","3","1","5","5","2","1") = "6"
    & skf21("5","7","3","1","5","5","3","1") = "6"
    & skf21("5","7","3","1","5","5","4","1") = "6"
    & skf21("5","7","3","1","5","5","5","1") = "6"
    & skf21("5","7","3","1","5","5","6","1") = "6"
    & skf21("5","7","3","1","5","5","7","1") = "6"
    & skf21("5","7","3","1","5","6","1","1") = "6"
    & skf21("5","7","3","1","5","6","2","1") = "6"
    & skf21("5","7","3","1","5","6","3","1") = "6"
    & skf21("5","7","3","1","5","6","4","1") = "6"
    & skf21("5","7","3","1","5","6","5","1") = "6"
    & skf21("5","7","3","1","5","6","6","1") = "6"
    & skf21("5","7","3","1","5","6","7","1") = "6"
    & skf21("5","7","3","1","5","7","1","1") = "6"
    & skf21("5","7","3","1","5","7","2","1") = "6"
    & skf21("5","7","3","1","5","7","3","1") = "6"
    & skf21("5","7","3","1","5","7","4","1") = "6"
    & skf21("5","7","3","1","5","7","5","1") = "6"
    & skf21("5","7","3","1","5","7","6","1") = "6"
    & skf21("5","7","3","1","5","7","7","1") = "6"
    & skf21("5","7","3","1","6","1","1","1") = "6"
    & skf21("5","7","3","1","6","1","2","1") = "6"
    & skf21("5","7","3","1","6","1","3","1") = "6"
    & skf21("5","7","3","1","6","1","4","1") = "6"
    & skf21("5","7","3","1","6","1","5","1") = "6"
    & skf21("5","7","3","1","6","1","6","1") = "6"
    & skf21("5","7","3","1","6","1","7","1") = "6"
    & skf21("5","7","3","1","6","2","1","1") = "6"
    & skf21("5","7","3","1","6","2","2","1") = "6"
    & skf21("5","7","3","1","6","2","3","1") = "6"
    & skf21("5","7","3","1","6","2","4","1") = "6"
    & skf21("5","7","3","1","6","2","5","1") = "6"
    & skf21("5","7","3","1","6","2","6","1") = "6"
    & skf21("5","7","3","1","6","2","7","1") = "6"
    & skf21("5","7","3","1","6","3","1","1") = "6"
    & skf21("5","7","3","1","6","3","2","1") = "6"
    & skf21("5","7","3","1","6","3","3","1") = "6"
    & skf21("5","7","3","1","6","3","4","1") = "6"
    & skf21("5","7","3","1","6","3","5","1") = "6"
    & skf21("5","7","3","1","6","3","6","1") = "6"
    & skf21("5","7","3","1","6","3","7","1") = "6"
    & skf21("5","7","3","1","6","4","1","1") = "6"
    & skf21("5","7","3","1","6","4","2","1") = "6"
    & skf21("5","7","3","1","6","4","3","1") = "6"
    & skf21("5","7","3","1","6","4","4","1") = "6"
    & skf21("5","7","3","1","6","4","5","1") = "6"
    & skf21("5","7","3","1","6","4","6","1") = "6"
    & skf21("5","7","3","1","6","4","7","1") = "6"
    & skf21("5","7","3","1","6","5","1","1") = "6"
    & skf21("5","7","3","1","6","5","2","1") = "6"
    & skf21("5","7","3","1","6","5","3","1") = "6"
    & skf21("5","7","3","1","6","5","4","1") = "6"
    & skf21("5","7","3","1","6","5","5","1") = "6"
    & skf21("5","7","3","1","6","5","6","1") = "6"
    & skf21("5","7","3","1","6","5","7","1") = "6"
    & skf21("5","7","3","1","6","6","1","1") = "6"
    & skf21("5","7","3","1","6","6","2","1") = "6"
    & skf21("5","7","3","1","6","6","3","1") = "6"
    & skf21("5","7","3","1","6","6","4","1") = "6"
    & skf21("5","7","3","1","6","6","5","1") = "6"
    & skf21("5","7","3","1","6","6","6","1") = "6"
    & skf21("5","7","3","1","6","6","7","1") = "6"
    & skf21("5","7","3","1","6","7","1","1") = "6"
    & skf21("5","7","3","1","6","7","2","1") = "6"
    & skf21("5","7","3","1","6","7","3","1") = "6"
    & skf21("5","7","3","1","6","7","4","1") = "6"
    & skf21("5","7","3","1","6","7","5","1") = "6"
    & skf21("5","7","3","1","6","7","6","1") = "6"
    & skf21("5","7","3","1","6","7","7","1") = "6"
    & skf21("5","7","3","1","7","1","1","1") = "6"
    & skf21("5","7","3","1","7","1","2","1") = "6"
    & skf21("5","7","3","1","7","1","3","1") = "6"
    & skf21("5","7","3","1","7","1","4","1") = "6"
    & skf21("5","7","3","1","7","1","5","1") = "6"
    & skf21("5","7","3","1","7","1","6","1") = "6"
    & skf21("5","7","3","1","7","1","7","1") = "6"
    & skf21("5","7","3","1","7","2","1","1") = "6"
    & skf21("5","7","3","1","7","2","2","1") = "6"
    & skf21("5","7","3","1","7","2","3","1") = "6"
    & skf21("5","7","3","1","7","2","4","1") = "6"
    & skf21("5","7","3","1","7","2","5","1") = "6"
    & skf21("5","7","3","1","7","2","6","1") = "6"
    & skf21("5","7","3","1","7","2","7","1") = "6"
    & skf21("5","7","3","1","7","3","1","1") = "6"
    & skf21("5","7","3","1","7","3","2","1") = "6"
    & skf21("5","7","3","1","7","3","3","1") = "6"
    & skf21("5","7","3","1","7","3","4","1") = "6"
    & skf21("5","7","3","1","7","3","5","1") = "6"
    & skf21("5","7","3","1","7","3","6","1") = "6"
    & skf21("5","7","3","1","7","3","7","1") = "6"
    & skf21("5","7","3","1","7","4","1","1") = "6"
    & skf21("5","7","3","1","7","4","2","1") = "6"
    & skf21("5","7","3","1","7","4","3","1") = "6"
    & skf21("5","7","3","1","7","4","4","1") = "6"
    & skf21("5","7","3","1","7","4","5","1") = "6"
    & skf21("5","7","3","1","7","4","6","1") = "6"
    & skf21("5","7","3","1","7","4","7","1") = "6"
    & skf21("5","7","3","1","7","5","1","1") = "6"
    & skf21("5","7","3","1","7","5","2","1") = "6"
    & skf21("5","7","3","1","7","5","3","1") = "6"
    & skf21("5","7","3","1","7","5","4","1") = "6"
    & skf21("5","7","3","1","7","5","5","1") = "6"
    & skf21("5","7","3","1","7","5","6","1") = "6"
    & skf21("5","7","3","1","7","5","7","1") = "6"
    & skf21("5","7","3","1","7","6","1","1") = "6"
    & skf21("5","7","3","1","7","6","2","1") = "6"
    & skf21("5","7","3","1","7","6","3","1") = "6"
    & skf21("5","7","3","1","7","6","4","1") = "6"
    & skf21("5","7","3","1","7","6","5","1") = "6"
    & skf21("5","7","3","1","7","6","6","1") = "6"
    & skf21("5","7","3","1","7","6","7","1") = "6"
    & skf21("5","7","3","1","7","7","1","1") = "6"
    & skf21("5","7","3","1","7","7","2","1") = "6"
    & skf21("5","7","3","1","7","7","3","1") = "6"
    & skf21("5","7","3","1","7","7","4","1") = "6"
    & skf21("5","7","3","1","7","7","5","1") = "6"
    & skf21("5","7","3","1","7","7","6","1") = "6"
    & skf21("5","7","3","1","7","7","7","1") = "6"
    & skf21("5","7","3","2","1","1","1","1") = "6"
    & skf21("5","7","3","2","1","1","2","1") = "6"
    & skf21("5","7","3","2","1","1","3","1") = "6"
    & skf21("5","7","3","2","1","1","4","1") = "6"
    & skf21("5","7","3","2","1","1","5","1") = "6"
    & skf21("5","7","3","2","1","1","6","1") = "6"
    & skf21("5","7","3","2","1","1","7","1") = "6"
    & skf21("5","7","3","2","1","2","1","1") = "6"
    & skf21("5","7","3","2","1","2","2","1") = "6"
    & skf21("5","7","3","2","1","2","3","1") = "6"
    & skf21("5","7","3","2","1","2","4","1") = "6"
    & skf21("5","7","3","2","1","2","5","1") = "6"
    & skf21("5","7","3","2","1","2","6","1") = "6"
    & skf21("5","7","3","2","1","2","7","1") = "6"
    & skf21("5","7","3","2","1","3","1","1") = "6"
    & skf21("5","7","3","2","1","3","2","1") = "6"
    & skf21("5","7","3","2","1","3","3","1") = "6"
    & skf21("5","7","3","2","1","3","4","1") = "6"
    & skf21("5","7","3","2","1","3","5","1") = "6"
    & skf21("5","7","3","2","1","3","6","1") = "6"
    & skf21("5","7","3","2","1","3","7","1") = "6"
    & skf21("5","7","3","2","1","4","1","1") = "6"
    & skf21("5","7","3","2","1","4","2","1") = "6"
    & skf21("5","7","3","2","1","4","3","1") = "6"
    & skf21("5","7","3","2","1","4","4","1") = "6"
    & skf21("5","7","3","2","1","4","5","1") = "6"
    & skf21("5","7","3","2","1","4","6","1") = "6"
    & skf21("5","7","3","2","1","4","7","1") = "6"
    & skf21("5","7","3","2","1","5","1","1") = "6"
    & skf21("5","7","3","2","1","5","2","1") = "6"
    & skf21("5","7","3","2","1","5","3","1") = "6"
    & skf21("5","7","3","2","1","5","4","1") = "6"
    & skf21("5","7","3","2","1","5","5","1") = "6"
    & skf21("5","7","3","2","1","5","6","1") = "6"
    & skf21("5","7","3","2","1","5","7","1") = "6"
    & skf21("5","7","3","2","1","6","1","1") = "6"
    & skf21("5","7","3","2","1","6","2","1") = "6"
    & skf21("5","7","3","2","1","6","3","1") = "6"
    & skf21("5","7","3","2","1","6","4","1") = "6"
    & skf21("5","7","3","2","1","6","5","1") = "6"
    & skf21("5","7","3","2","1","6","6","1") = "6"
    & skf21("5","7","3","2","1","6","7","1") = "6"
    & skf21("5","7","3","2","1","7","1","1") = "6"
    & skf21("5","7","3","2","1","7","2","1") = "6"
    & skf21("5","7","3","2","1","7","3","1") = "6"
    & skf21("5","7","3","2","1","7","4","1") = "6"
    & skf21("5","7","3","2","1","7","5","1") = "6"
    & skf21("5","7","3","2","1","7","6","1") = "6"
    & skf21("5","7","3","2","1","7","7","1") = "6"
    & skf21("5","7","3","2","2","1","1","1") = "6"
    & skf21("5","7","3","2","2","1","2","1") = "6"
    & skf21("5","7","3","2","2","1","3","1") = "6"
    & skf21("5","7","3","2","2","1","4","1") = "6"
    & skf21("5","7","3","2","2","1","5","1") = "6"
    & skf21("5","7","3","2","2","1","6","1") = "6"
    & skf21("5","7","3","2","2","1","7","1") = "6"
    & skf21("5","7","3","2","2","2","1","1") = "6"
    & skf21("5","7","3","2","2","2","2","1") = "6"
    & skf21("5","7","3","2","2","2","3","1") = "6"
    & skf21("5","7","3","2","2","2","4","1") = "6"
    & skf21("5","7","3","2","2","2","5","1") = "6"
    & skf21("5","7","3","2","2","2","6","1") = "6"
    & skf21("5","7","3","2","2","2","7","1") = "6"
    & skf21("5","7","3","2","2","3","1","1") = "6"
    & skf21("5","7","3","2","2","3","2","1") = "6"
    & skf21("5","7","3","2","2","3","3","1") = "6"
    & skf21("5","7","3","2","2","3","4","1") = "6"
    & skf21("5","7","3","2","2","3","5","1") = "6"
    & skf21("5","7","3","2","2","3","6","1") = "6"
    & skf21("5","7","3","2","2","3","7","1") = "6"
    & skf21("5","7","3","2","2","4","1","1") = "6"
    & skf21("5","7","3","2","2","4","2","1") = "6"
    & skf21("5","7","3","2","2","4","3","1") = "6"
    & skf21("5","7","3","2","2","4","4","1") = "6"
    & skf21("5","7","3","2","2","4","5","1") = "6"
    & skf21("5","7","3","2","2","4","6","1") = "6"
    & skf21("5","7","3","2","2","4","7","1") = "6"
    & skf21("5","7","3","2","2","5","1","1") = "6"
    & skf21("5","7","3","2","2","5","2","1") = "6"
    & skf21("5","7","3","2","2","5","3","1") = "6"
    & skf21("5","7","3","2","2","5","4","1") = "6"
    & skf21("5","7","3","2","2","5","5","1") = "6"
    & skf21("5","7","3","2","2","5","6","1") = "6"
    & skf21("5","7","3","2","2","5","7","1") = "6"
    & skf21("5","7","3","2","2","6","1","1") = "6"
    & skf21("5","7","3","2","2","6","2","1") = "6"
    & skf21("5","7","3","2","2","6","3","1") = "6"
    & skf21("5","7","3","2","2","6","4","1") = "6"
    & skf21("5","7","3","2","2","6","5","1") = "6"
    & skf21("5","7","3","2","2","6","6","1") = "6"
    & skf21("5","7","3","2","2","6","7","1") = "6"
    & skf21("5","7","3","2","2","7","1","1") = "6"
    & skf21("5","7","3","2","2","7","2","1") = "6"
    & skf21("5","7","3","2","2","7","3","1") = "6"
    & skf21("5","7","3","2","2","7","4","1") = "6"
    & skf21("5","7","3","2","2","7","5","1") = "6"
    & skf21("5","7","3","2","2","7","6","1") = "6"
    & skf21("5","7","3","2","2","7","7","1") = "6"
    & skf21("5","7","3","2","3","1","1","1") = "6"
    & skf21("5","7","3","2","3","1","2","1") = "6"
    & skf21("5","7","3","2","3","1","3","1") = "6"
    & skf21("5","7","3","2","3","1","4","1") = "6"
    & skf21("5","7","3","2","3","1","5","1") = "6"
    & skf21("5","7","3","2","3","1","6","1") = "6"
    & skf21("5","7","3","2","3","1","7","1") = "6"
    & skf21("5","7","3","2","3","2","1","1") = "6"
    & skf21("5","7","3","2","3","2","2","1") = "6"
    & skf21("5","7","3","2","3","2","3","1") = "6"
    & skf21("5","7","3","2","3","2","4","1") = "6"
    & skf21("5","7","3","2","3","2","5","1") = "6"
    & skf21("5","7","3","2","3","2","6","1") = "6"
    & skf21("5","7","3","2","3","2","7","1") = "6"
    & skf21("5","7","3","2","3","3","1","1") = "6"
    & skf21("5","7","3","2","3","3","2","1") = "6"
    & skf21("5","7","3","2","3","3","3","1") = "6"
    & skf21("5","7","3","2","3","3","4","1") = "6"
    & skf21("5","7","3","2","3","3","5","1") = "6"
    & skf21("5","7","3","2","3","3","6","1") = "6"
    & skf21("5","7","3","2","3","3","7","1") = "6"
    & skf21("5","7","3","2","3","4","1","1") = "6"
    & skf21("5","7","3","2","3","4","2","1") = "6"
    & skf21("5","7","3","2","3","4","3","1") = "6"
    & skf21("5","7","3","2","3","4","4","1") = "6"
    & skf21("5","7","3","2","3","4","5","1") = "6"
    & skf21("5","7","3","2","3","4","6","1") = "6"
    & skf21("5","7","3","2","3","4","7","1") = "6"
    & skf21("5","7","3","2","3","5","1","1") = "6"
    & skf21("5","7","3","2","3","5","2","1") = "6"
    & skf21("5","7","3","2","3","5","3","1") = "6"
    & skf21("5","7","3","2","3","5","4","1") = "6"
    & skf21("5","7","3","2","3","5","5","1") = "6"
    & skf21("5","7","3","2","3","5","6","1") = "6"
    & skf21("5","7","3","2","3","5","7","1") = "6"
    & skf21("5","7","3","2","3","6","1","1") = "6"
    & skf21("5","7","3","2","3","6","2","1") = "6"
    & skf21("5","7","3","2","3","6","3","1") = "6"
    & skf21("5","7","3","2","3","6","4","1") = "6"
    & skf21("5","7","3","2","3","6","5","1") = "6"
    & skf21("5","7","3","2","3","6","6","1") = "6"
    & skf21("5","7","3","2","3","6","7","1") = "6"
    & skf21("5","7","3","2","3","7","1","1") = "6"
    & skf21("5","7","3","2","3","7","2","1") = "6"
    & skf21("5","7","3","2","3","7","3","1") = "6"
    & skf21("5","7","3","2","3","7","4","1") = "6"
    & skf21("5","7","3","2","3","7","5","1") = "6"
    & skf21("5","7","3","2","3","7","6","1") = "6"
    & skf21("5","7","3","2","3","7","7","1") = "6"
    & skf21("5","7","3","2","4","1","1","1") = "6"
    & skf21("5","7","3","2","4","1","2","1") = "6"
    & skf21("5","7","3","2","4","1","3","1") = "6"
    & skf21("5","7","3","2","4","1","4","1") = "6"
    & skf21("5","7","3","2","4","1","5","1") = "6"
    & skf21("5","7","3","2","4","1","6","1") = "6"
    & skf21("5","7","3","2","4","1","7","1") = "6"
    & skf21("5","7","3","2","4","2","1","1") = "6"
    & skf21("5","7","3","2","4","2","2","1") = "6"
    & skf21("5","7","3","2","4","2","3","1") = "6"
    & skf21("5","7","3","2","4","2","4","1") = "6"
    & skf21("5","7","3","2","4","2","5","1") = "6"
    & skf21("5","7","3","2","4","2","6","1") = "6"
    & skf21("5","7","3","2","4","2","7","1") = "6"
    & skf21("5","7","3","2","4","3","1","1") = "6"
    & skf21("5","7","3","2","4","3","2","1") = "6"
    & skf21("5","7","3","2","4","3","3","1") = "6"
    & skf21("5","7","3","2","4","3","4","1") = "6"
    & skf21("5","7","3","2","4","3","5","1") = "6"
    & skf21("5","7","3","2","4","3","6","1") = "6"
    & skf21("5","7","3","2","4","3","7","1") = "6"
    & skf21("5","7","3","2","4","4","1","1") = "6"
    & skf21("5","7","3","2","4","4","2","1") = "6"
    & skf21("5","7","3","2","4","4","3","1") = "6"
    & skf21("5","7","3","2","4","4","4","1") = "6"
    & skf21("5","7","3","2","4","4","5","1") = "6"
    & skf21("5","7","3","2","4","4","6","1") = "6"
    & skf21("5","7","3","2","4","4","7","1") = "6"
    & skf21("5","7","3","2","4","5","1","1") = "6"
    & skf21("5","7","3","2","4","5","2","1") = "6"
    & skf21("5","7","3","2","4","5","3","1") = "6"
    & skf21("5","7","3","2","4","5","4","1") = "6"
    & skf21("5","7","3","2","4","5","5","1") = "6"
    & skf21("5","7","3","2","4","5","6","1") = "6"
    & skf21("5","7","3","2","4","5","7","1") = "6"
    & skf21("5","7","3","2","4","6","1","1") = "6"
    & skf21("5","7","3","2","4","6","2","1") = "6"
    & skf21("5","7","3","2","4","6","3","1") = "6"
    & skf21("5","7","3","2","4","6","4","1") = "6"
    & skf21("5","7","3","2","4","6","5","1") = "6"
    & skf21("5","7","3","2","4","6","6","1") = "6"
    & skf21("5","7","3","2","4","6","7","1") = "6"
    & skf21("5","7","3","2","4","7","1","1") = "6"
    & skf21("5","7","3","2","4","7","2","1") = "6"
    & skf21("5","7","3","2","4","7","3","1") = "6"
    & skf21("5","7","3","2","4","7","4","1") = "6"
    & skf21("5","7","3","2","4","7","5","1") = "6"
    & skf21("5","7","3","2","4","7","6","1") = "6"
    & skf21("5","7","3","2","4","7","7","1") = "6"
    & skf21("5","7","3","2","5","1","1","1") = "6"
    & skf21("5","7","3","2","5","1","2","1") = "6"
    & skf21("5","7","3","2","5","1","3","1") = "6"
    & skf21("5","7","3","2","5","1","4","1") = "6"
    & skf21("5","7","3","2","5","1","5","1") = "6"
    & skf21("5","7","3","2","5","1","6","1") = "6"
    & skf21("5","7","3","2","5","1","7","1") = "6"
    & skf21("5","7","3","2","5","2","1","1") = "6"
    & skf21("5","7","3","2","5","2","2","1") = "6"
    & skf21("5","7","3","2","5","2","3","1") = "6"
    & skf21("5","7","3","2","5","2","4","1") = "6"
    & skf21("5","7","3","2","5","2","5","1") = "6"
    & skf21("5","7","3","2","5","2","6","1") = "6"
    & skf21("5","7","3","2","5","2","7","1") = "6"
    & skf21("5","7","3","2","5","3","1","1") = "6"
    & skf21("5","7","3","2","5","3","2","1") = "6"
    & skf21("5","7","3","2","5","3","3","1") = "6"
    & skf21("5","7","3","2","5","3","4","1") = "6"
    & skf21("5","7","3","2","5","3","5","1") = "6"
    & skf21("5","7","3","2","5","3","6","1") = "6"
    & skf21("5","7","3","2","5","3","7","1") = "6"
    & skf21("5","7","3","2","5","4","1","1") = "6"
    & skf21("5","7","3","2","5","4","2","1") = "6"
    & skf21("5","7","3","2","5","4","3","1") = "6"
    & skf21("5","7","3","2","5","4","4","1") = "6"
    & skf21("5","7","3","2","5","4","5","1") = "6"
    & skf21("5","7","3","2","5","4","6","1") = "6"
    & skf21("5","7","3","2","5","4","7","1") = "6"
    & skf21("5","7","3","2","5","5","1","1") = "6"
    & skf21("5","7","3","2","5","5","2","1") = "6"
    & skf21("5","7","3","2","5","5","3","1") = "6"
    & skf21("5","7","3","2","5","5","4","1") = "6"
    & skf21("5","7","3","2","5","5","5","1") = "6"
    & skf21("5","7","3","2","5","5","6","1") = "6"
    & skf21("5","7","3","2","5","5","7","1") = "6"
    & skf21("5","7","3","2","5","6","1","1") = "6"
    & skf21("5","7","3","2","5","6","2","1") = "6"
    & skf21("5","7","3","2","5","6","3","1") = "6"
    & skf21("5","7","3","2","5","6","4","1") = "6"
    & skf21("5","7","3","2","5","6","5","1") = "6"
    & skf21("5","7","3","2","5","6","6","1") = "6"
    & skf21("5","7","3","2","5","6","7","1") = "6"
    & skf21("5","7","3","2","5","7","1","1") = "6"
    & skf21("5","7","3","2","5","7","2","1") = "6"
    & skf21("5","7","3","2","5","7","3","1") = "6"
    & skf21("5","7","3","2","5","7","4","1") = "6"
    & skf21("5","7","3","2","5","7","5","1") = "6"
    & skf21("5","7","3","2","5","7","6","1") = "6"
    & skf21("5","7","3","2","5","7","7","1") = "6"
    & skf21("5","7","3","2","6","1","1","1") = "6"
    & skf21("5","7","3","2","6","1","2","1") = "6"
    & skf21("5","7","3","2","6","1","3","1") = "6"
    & skf21("5","7","3","2","6","1","4","1") = "6"
    & skf21("5","7","3","2","6","1","5","1") = "6"
    & skf21("5","7","3","2","6","1","6","1") = "6"
    & skf21("5","7","3","2","6","1","7","1") = "6"
    & skf21("5","7","3","2","6","2","1","1") = "6"
    & skf21("5","7","3","2","6","2","2","1") = "6"
    & skf21("5","7","3","2","6","2","3","1") = "6"
    & skf21("5","7","3","2","6","2","4","1") = "6"
    & skf21("5","7","3","2","6","2","5","1") = "6"
    & skf21("5","7","3","2","6","2","6","1") = "6"
    & skf21("5","7","3","2","6","2","7","1") = "6"
    & skf21("5","7","3","2","6","3","1","1") = "6"
    & skf21("5","7","3","2","6","3","2","1") = "6"
    & skf21("5","7","3","2","6","3","3","1") = "6"
    & skf21("5","7","3","2","6","3","4","1") = "6"
    & skf21("5","7","3","2","6","3","5","1") = "6"
    & skf21("5","7","3","2","6","3","6","1") = "6"
    & skf21("5","7","3","2","6","3","7","1") = "6"
    & skf21("5","7","3","2","6","4","1","1") = "6"
    & skf21("5","7","3","2","6","4","2","1") = "6"
    & skf21("5","7","3","2","6","4","3","1") = "6"
    & skf21("5","7","3","2","6","4","4","1") = "6"
    & skf21("5","7","3","2","6","4","5","1") = "6"
    & skf21("5","7","3","2","6","4","6","1") = "6"
    & skf21("5","7","3","2","6","4","7","1") = "6"
    & skf21("5","7","3","2","6","5","1","1") = "6"
    & skf21("5","7","3","2","6","5","2","1") = "6"
    & skf21("5","7","3","2","6","5","3","1") = "6"
    & skf21("5","7","3","2","6","5","4","1") = "6"
    & skf21("5","7","3","2","6","5","5","1") = "6"
    & skf21("5","7","3","2","6","5","6","1") = "6"
    & skf21("5","7","3","2","6","5","7","1") = "6"
    & skf21("5","7","3","2","6","6","1","1") = "6"
    & skf21("5","7","3","2","6","6","2","1") = "6"
    & skf21("5","7","3","2","6","6","3","1") = "6"
    & skf21("5","7","3","2","6","6","4","1") = "6"
    & skf21("5","7","3","2","6","6","5","1") = "6"
    & skf21("5","7","3","2","6","6","6","1") = "6"
    & skf21("5","7","3","2","6","6","7","1") = "6"
    & skf21("5","7","3","2","6","7","1","1") = "6"
    & skf21("5","7","3","2","6","7","2","1") = "6"
    & skf21("5","7","3","2","6","7","3","1") = "6"
    & skf21("5","7","3","2","6","7","4","1") = "6"
    & skf21("5","7","3","2","6","7","5","1") = "6"
    & skf21("5","7","3","2","6","7","6","1") = "6"
    & skf21("5","7","3","2","6","7","7","1") = "6"
    & skf21("5","7","3","2","7","1","1","1") = "6"
    & skf21("5","7","3","2","7","1","2","1") = "6"
    & skf21("5","7","3","2","7","1","3","1") = "6"
    & skf21("5","7","3","2","7","1","4","1") = "6"
    & skf21("5","7","3","2","7","1","5","1") = "6"
    & skf21("5","7","3","2","7","1","6","1") = "6"
    & skf21("5","7","3","2","7","1","7","1") = "6"
    & skf21("5","7","3","2","7","2","1","1") = "6"
    & skf21("5","7","3","2","7","2","2","1") = "6"
    & skf21("5","7","3","2","7","2","3","1") = "6"
    & skf21("5","7","3","2","7","2","4","1") = "6"
    & skf21("5","7","3","2","7","2","5","1") = "6"
    & skf21("5","7","3","2","7","2","6","1") = "6"
    & skf21("5","7","3","2","7","2","7","1") = "6"
    & skf21("5","7","3","2","7","3","1","1") = "6"
    & skf21("5","7","3","2","7","3","2","1") = "6"
    & skf21("5","7","3","2","7","3","3","1") = "6"
    & skf21("5","7","3","2","7","3","4","1") = "6"
    & skf21("5","7","3","2","7","3","5","1") = "6"
    & skf21("5","7","3","2","7","3","6","1") = "6"
    & skf21("5","7","3","2","7","3","7","1") = "6"
    & skf21("5","7","3","2","7","4","1","1") = "6"
    & skf21("5","7","3","2","7","4","2","1") = "6"
    & skf21("5","7","3","2","7","4","3","1") = "6"
    & skf21("5","7","3","2","7","4","4","1") = "6"
    & skf21("5","7","3","2","7","4","5","1") = "6"
    & skf21("5","7","3","2","7","4","6","1") = "6"
    & skf21("5","7","3","2","7","4","7","1") = "6"
    & skf21("5","7","3","2","7","5","1","1") = "6"
    & skf21("5","7","3","2","7","5","2","1") = "6"
    & skf21("5","7","3","2","7","5","3","1") = "6"
    & skf21("5","7","3","2","7","5","4","1") = "6"
    & skf21("5","7","3","2","7","5","5","1") = "6"
    & skf21("5","7","3","2","7","5","6","1") = "6"
    & skf21("5","7","3","2","7","5","7","1") = "6"
    & skf21("5","7","3","2","7","6","1","1") = "6"
    & skf21("5","7","3","2","7","6","2","1") = "6"
    & skf21("5","7","3","2","7","6","3","1") = "6"
    & skf21("5","7","3","2","7","6","4","1") = "6"
    & skf21("5","7","3","2","7","6","5","1") = "6"
    & skf21("5","7","3","2","7","6","6","1") = "6"
    & skf21("5","7","3","2","7","6","7","1") = "6"
    & skf21("5","7","3","2","7","7","1","1") = "6"
    & skf21("5","7","3","2","7","7","2","1") = "6"
    & skf21("5","7","3","2","7","7","3","1") = "6"
    & skf21("5","7","3","2","7","7","4","1") = "6"
    & skf21("5","7","3","2","7","7","5","1") = "6"
    & skf21("5","7","3","2","7","7","6","1") = "6"
    & skf21("5","7","3","2","7","7","7","1") = "6"
    & skf21("5","7","3","3","1","1","1","1") = "6"
    & skf21("5","7","3","3","1","1","2","1") = "6"
    & skf21("5","7","3","3","1","1","3","1") = "6"
    & skf21("5","7","3","3","1","1","4","1") = "6"
    & skf21("5","7","3","3","1","1","5","1") = "6"
    & skf21("5","7","3","3","1","1","6","1") = "6"
    & skf21("5","7","3","3","1","1","7","1") = "6"
    & skf21("5","7","3","3","1","2","1","1") = "6"
    & skf21("5","7","3","3","1","2","2","1") = "6"
    & skf21("5","7","3","3","1","2","3","1") = "6"
    & skf21("5","7","3","3","1","2","4","1") = "6"
    & skf21("5","7","3","3","1","2","5","1") = "6"
    & skf21("5","7","3","3","1","2","6","1") = "6"
    & skf21("5","7","3","3","1","2","7","1") = "6"
    & skf21("5","7","3","3","1","3","1","1") = "6"
    & skf21("5","7","3","3","1","3","2","1") = "6"
    & skf21("5","7","3","3","1","3","3","1") = "6"
    & skf21("5","7","3","3","1","3","4","1") = "6"
    & skf21("5","7","3","3","1","3","5","1") = "6"
    & skf21("5","7","3","3","1","3","6","1") = "6"
    & skf21("5","7","3","3","1","3","7","1") = "6"
    & skf21("5","7","3","3","1","4","1","1") = "6"
    & skf21("5","7","3","3","1","4","2","1") = "6"
    & skf21("5","7","3","3","1","4","3","1") = "6"
    & skf21("5","7","3","3","1","4","4","1") = "6"
    & skf21("5","7","3","3","1","4","5","1") = "6"
    & skf21("5","7","3","3","1","4","6","1") = "6"
    & skf21("5","7","3","3","1","4","7","1") = "6"
    & skf21("5","7","3","3","1","5","1","1") = "6"
    & skf21("5","7","3","3","1","5","2","1") = "6"
    & skf21("5","7","3","3","1","5","3","1") = "6"
    & skf21("5","7","3","3","1","5","4","1") = "6"
    & skf21("5","7","3","3","1","5","5","1") = "6"
    & skf21("5","7","3","3","1","5","6","1") = "6"
    & skf21("5","7","3","3","1","5","7","1") = "6"
    & skf21("5","7","3","3","1","6","1","1") = "6"
    & skf21("5","7","3","3","1","6","2","1") = "6"
    & skf21("5","7","3","3","1","6","3","1") = "6"
    & skf21("5","7","3","3","1","6","4","1") = "6"
    & skf21("5","7","3","3","1","6","5","1") = "6"
    & skf21("5","7","3","3","1","6","6","1") = "6"
    & skf21("5","7","3","3","1","6","7","1") = "6"
    & skf21("5","7","3","3","1","7","1","1") = "6"
    & skf21("5","7","3","3","1","7","2","1") = "6"
    & skf21("5","7","3","3","1","7","3","1") = "6"
    & skf21("5","7","3","3","1","7","4","1") = "6"
    & skf21("5","7","3","3","1","7","5","1") = "6"
    & skf21("5","7","3","3","1","7","6","1") = "6"
    & skf21("5","7","3","3","1","7","7","1") = "6"
    & skf21("5","7","3","3","2","1","1","1") = "6"
    & skf21("5","7","3","3","2","1","2","1") = "6"
    & skf21("5","7","3","3","2","1","3","1") = "6"
    & skf21("5","7","3","3","2","1","4","1") = "6"
    & skf21("5","7","3","3","2","1","5","1") = "6"
    & skf21("5","7","3","3","2","1","6","1") = "6"
    & skf21("5","7","3","3","2","1","7","1") = "6"
    & skf21("5","7","3","3","2","2","1","1") = "6"
    & skf21("5","7","3","3","2","2","2","1") = "6"
    & skf21("5","7","3","3","2","2","3","1") = "6"
    & skf21("5","7","3","3","2","2","4","1") = "6"
    & skf21("5","7","3","3","2","2","5","1") = "6"
    & skf21("5","7","3","3","2","2","6","1") = "6"
    & skf21("5","7","3","3","2","2","7","1") = "6"
    & skf21("5","7","3","3","2","3","1","1") = "6"
    & skf21("5","7","3","3","2","3","2","1") = "6"
    & skf21("5","7","3","3","2","3","3","1") = "6"
    & skf21("5","7","3","3","2","3","4","1") = "6"
    & skf21("5","7","3","3","2","3","5","1") = "6"
    & skf21("5","7","3","3","2","3","6","1") = "6"
    & skf21("5","7","3","3","2","3","7","1") = "6"
    & skf21("5","7","3","3","2","4","1","1") = "6"
    & skf21("5","7","3","3","2","4","2","1") = "6"
    & skf21("5","7","3","3","2","4","3","1") = "6"
    & skf21("5","7","3","3","2","4","4","1") = "6"
    & skf21("5","7","3","3","2","4","5","1") = "6"
    & skf21("5","7","3","3","2","4","6","1") = "6"
    & skf21("5","7","3","3","2","4","7","1") = "6"
    & skf21("5","7","3","3","2","5","1","1") = "6"
    & skf21("5","7","3","3","2","5","2","1") = "6"
    & skf21("5","7","3","3","2","5","3","1") = "6"
    & skf21("5","7","3","3","2","5","4","1") = "6"
    & skf21("5","7","3","3","2","5","5","1") = "6"
    & skf21("5","7","3","3","2","5","6","1") = "6"
    & skf21("5","7","3","3","2","5","7","1") = "6"
    & skf21("5","7","3","3","2","6","1","1") = "6"
    & skf21("5","7","3","3","2","6","2","1") = "6"
    & skf21("5","7","3","3","2","6","3","1") = "6"
    & skf21("5","7","3","3","2","6","4","1") = "6"
    & skf21("5","7","3","3","2","6","5","1") = "6"
    & skf21("5","7","3","3","2","6","6","1") = "6"
    & skf21("5","7","3","3","2","6","7","1") = "6"
    & skf21("5","7","3","3","2","7","1","1") = "6"
    & skf21("5","7","3","3","2","7","2","1") = "6"
    & skf21("5","7","3","3","2","7","3","1") = "6"
    & skf21("5","7","3","3","2","7","4","1") = "6"
    & skf21("5","7","3","3","2","7","5","1") = "6"
    & skf21("5","7","3","3","2","7","6","1") = "6"
    & skf21("5","7","3","3","2","7","7","1") = "6"
    & skf21("5","7","3","3","3","1","1","1") = "6"
    & skf21("5","7","3","3","3","1","2","1") = "6"
    & skf21("5","7","3","3","3","1","3","1") = "6"
    & skf21("5","7","3","3","3","1","4","1") = "6"
    & skf21("5","7","3","3","3","1","5","1") = "6"
    & skf21("5","7","3","3","3","1","6","1") = "6"
    & skf21("5","7","3","3","3","1","7","1") = "6"
    & skf21("5","7","3","3","3","2","1","1") = "6"
    & skf21("5","7","3","3","3","2","2","1") = "6"
    & skf21("5","7","3","3","3","2","3","1") = "6"
    & skf21("5","7","3","3","3","2","4","1") = "6"
    & skf21("5","7","3","3","3","2","5","1") = "6"
    & skf21("5","7","3","3","3","2","6","1") = "6"
    & skf21("5","7","3","3","3","2","7","1") = "6"
    & skf21("5","7","3","3","3","3","1","1") = "6"
    & skf21("5","7","3","3","3","3","2","1") = "6"
    & skf21("5","7","3","3","3","3","3","1") = "6"
    & skf21("5","7","3","3","3","3","4","1") = "6"
    & skf21("5","7","3","3","3","3","5","1") = "6"
    & skf21("5","7","3","3","3","3","6","1") = "6"
    & skf21("5","7","3","3","3","3","7","1") = "6"
    & skf21("5","7","3","3","3","4","1","1") = "6"
    & skf21("5","7","3","3","3","4","2","1") = "6"
    & skf21("5","7","3","3","3","4","3","1") = "6"
    & skf21("5","7","3","3","3","4","4","1") = "6"
    & skf21("5","7","3","3","3","4","5","1") = "6"
    & skf21("5","7","3","3","3","4","6","1") = "6"
    & skf21("5","7","3","3","3","4","7","1") = "6"
    & skf21("5","7","3","3","3","5","1","1") = "6"
    & skf21("5","7","3","3","3","5","2","1") = "6"
    & skf21("5","7","3","3","3","5","3","1") = "6"
    & skf21("5","7","3","3","3","5","4","1") = "6"
    & skf21("5","7","3","3","3","5","5","1") = "6"
    & skf21("5","7","3","3","3","5","6","1") = "6"
    & skf21("5","7","3","3","3","5","7","1") = "6"
    & skf21("5","7","3","3","3","6","1","1") = "6"
    & skf21("5","7","3","3","3","6","2","1") = "6"
    & skf21("5","7","3","3","3","6","3","1") = "6"
    & skf21("5","7","3","3","3","6","4","1") = "6"
    & skf21("5","7","3","3","3","6","5","1") = "6"
    & skf21("5","7","3","3","3","6","6","1") = "6"
    & skf21("5","7","3","3","3","6","7","1") = "6"
    & skf21("5","7","3","3","3","7","1","1") = "6"
    & skf21("5","7","3","3","3","7","2","1") = "6"
    & skf21("5","7","3","3","3","7","3","1") = "6"
    & skf21("5","7","3","3","3","7","4","1") = "6"
    & skf21("5","7","3","3","3","7","5","1") = "6"
    & skf21("5","7","3","3","3","7","6","1") = "6"
    & skf21("5","7","3","3","3","7","7","1") = "6"
    & skf21("5","7","3","3","4","1","1","1") = "6"
    & skf21("5","7","3","3","4","1","2","1") = "6"
    & skf21("5","7","3","3","4","1","3","1") = "6"
    & skf21("5","7","3","3","4","1","4","1") = "6"
    & skf21("5","7","3","3","4","1","5","1") = "6"
    & skf21("5","7","3","3","4","1","6","1") = "6"
    & skf21("5","7","3","3","4","1","7","1") = "6"
    & skf21("5","7","3","3","4","2","1","1") = "6"
    & skf21("5","7","3","3","4","2","2","1") = "6"
    & skf21("5","7","3","3","4","2","3","1") = "6"
    & skf21("5","7","3","3","4","2","4","1") = "6"
    & skf21("5","7","3","3","4","2","5","1") = "6"
    & skf21("5","7","3","3","4","2","6","1") = "6"
    & skf21("5","7","3","3","4","2","7","1") = "6"
    & skf21("5","7","3","3","4","3","1","1") = "6"
    & skf21("5","7","3","3","4","3","2","1") = "6"
    & skf21("5","7","3","3","4","3","3","1") = "6"
    & skf21("5","7","3","3","4","3","4","1") = "6"
    & skf21("5","7","3","3","4","3","5","1") = "6"
    & skf21("5","7","3","3","4","3","6","1") = "6"
    & skf21("5","7","3","3","4","3","7","1") = "6"
    & skf21("5","7","3","3","4","4","1","1") = "6"
    & skf21("5","7","3","3","4","4","2","1") = "6"
    & skf21("5","7","3","3","4","4","3","1") = "6"
    & skf21("5","7","3","3","4","4","4","1") = "6"
    & skf21("5","7","3","3","4","4","5","1") = "6"
    & skf21("5","7","3","3","4","4","6","1") = "6"
    & skf21("5","7","3","3","4","4","7","1") = "6"
    & skf21("5","7","3","3","4","5","1","1") = "6"
    & skf21("5","7","3","3","4","5","2","1") = "6"
    & skf21("5","7","3","3","4","5","3","1") = "6"
    & skf21("5","7","3","3","4","5","4","1") = "6"
    & skf21("5","7","3","3","4","5","5","1") = "6"
    & skf21("5","7","3","3","4","5","6","1") = "6"
    & skf21("5","7","3","3","4","5","7","1") = "6"
    & skf21("5","7","3","3","4","6","1","1") = "6"
    & skf21("5","7","3","3","4","6","2","1") = "6"
    & skf21("5","7","3","3","4","6","3","1") = "6"
    & skf21("5","7","3","3","4","6","4","1") = "6"
    & skf21("5","7","3","3","4","6","5","1") = "6"
    & skf21("5","7","3","3","4","6","6","1") = "6"
    & skf21("5","7","3","3","4","6","7","1") = "6"
    & skf21("5","7","3","3","4","7","1","1") = "6"
    & skf21("5","7","3","3","4","7","2","1") = "6"
    & skf21("5","7","3","3","4","7","3","1") = "6"
    & skf21("5","7","3","3","4","7","4","1") = "6"
    & skf21("5","7","3","3","4","7","5","1") = "6"
    & skf21("5","7","3","3","4","7","6","1") = "6"
    & skf21("5","7","3","3","4","7","7","1") = "6"
    & skf21("5","7","3","3","5","1","1","1") = "6"
    & skf21("5","7","3","3","5","1","2","1") = "6"
    & skf21("5","7","3","3","5","1","3","1") = "6"
    & skf21("5","7","3","3","5","1","4","1") = "6"
    & skf21("5","7","3","3","5","1","5","1") = "6"
    & skf21("5","7","3","3","5","1","6","1") = "6"
    & skf21("5","7","3","3","5","1","7","1") = "6"
    & skf21("5","7","3","3","5","2","1","1") = "6"
    & skf21("5","7","3","3","5","2","2","1") = "6"
    & skf21("5","7","3","3","5","2","3","1") = "6"
    & skf21("5","7","3","3","5","2","4","1") = "6"
    & skf21("5","7","3","3","5","2","5","1") = "6"
    & skf21("5","7","3","3","5","2","6","1") = "6"
    & skf21("5","7","3","3","5","2","7","1") = "6"
    & skf21("5","7","3","3","5","3","1","1") = "6"
    & skf21("5","7","3","3","5","3","2","1") = "6"
    & skf21("5","7","3","3","5","3","3","1") = "6"
    & skf21("5","7","3","3","5","3","4","1") = "6"
    & skf21("5","7","3","3","5","3","5","1") = "6"
    & skf21("5","7","3","3","5","3","6","1") = "6"
    & skf21("5","7","3","3","5","3","7","1") = "6"
    & skf21("5","7","3","3","5","4","1","1") = "6"
    & skf21("5","7","3","3","5","4","2","1") = "6"
    & skf21("5","7","3","3","5","4","3","1") = "6"
    & skf21("5","7","3","3","5","4","4","1") = "6"
    & skf21("5","7","3","3","5","4","5","1") = "6"
    & skf21("5","7","3","3","5","4","6","1") = "6"
    & skf21("5","7","3","3","5","4","7","1") = "6"
    & skf21("5","7","3","3","5","5","1","1") = "6"
    & skf21("5","7","3","3","5","5","2","1") = "6"
    & skf21("5","7","3","3","5","5","3","1") = "6"
    & skf21("5","7","3","3","5","5","4","1") = "6"
    & skf21("5","7","3","3","5","5","5","1") = "6"
    & skf21("5","7","3","3","5","5","6","1") = "6"
    & skf21("5","7","3","3","5","5","7","1") = "6"
    & skf21("5","7","3","3","5","6","1","1") = "6"
    & skf21("5","7","3","3","5","6","2","1") = "6"
    & skf21("5","7","3","3","5","6","3","1") = "6"
    & skf21("5","7","3","3","5","6","4","1") = "6"
    & skf21("5","7","3","3","5","6","5","1") = "6"
    & skf21("5","7","3","3","5","6","6","1") = "6"
    & skf21("5","7","3","3","5","6","7","1") = "6"
    & skf21("5","7","3","3","5","7","1","1") = "6"
    & skf21("5","7","3","3","5","7","2","1") = "6"
    & skf21("5","7","3","3","5","7","3","1") = "6"
    & skf21("5","7","3","3","5","7","4","1") = "6"
    & skf21("5","7","3","3","5","7","5","1") = "6"
    & skf21("5","7","3","3","5","7","6","1") = "6"
    & skf21("5","7","3","3","5","7","7","1") = "6"
    & skf21("5","7","3","3","6","1","1","1") = "6"
    & skf21("5","7","3","3","6","1","2","1") = "6"
    & skf21("5","7","3","3","6","1","3","1") = "6"
    & skf21("5","7","3","3","6","1","4","1") = "6"
    & skf21("5","7","3","3","6","1","5","1") = "6"
    & skf21("5","7","3","3","6","1","6","1") = "6"
    & skf21("5","7","3","3","6","1","7","1") = "6"
    & skf21("5","7","3","3","6","2","1","1") = "6"
    & skf21("5","7","3","3","6","2","2","1") = "6"
    & skf21("5","7","3","3","6","2","3","1") = "6"
    & skf21("5","7","3","3","6","2","4","1") = "6"
    & skf21("5","7","3","3","6","2","5","1") = "6"
    & skf21("5","7","3","3","6","2","6","1") = "6"
    & skf21("5","7","3","3","6","2","7","1") = "6"
    & skf21("5","7","3","3","6","3","1","1") = "6"
    & skf21("5","7","3","3","6","3","2","1") = "6"
    & skf21("5","7","3","3","6","3","3","1") = "6"
    & skf21("5","7","3","3","6","3","4","1") = "6"
    & skf21("5","7","3","3","6","3","5","1") = "6"
    & skf21("5","7","3","3","6","3","6","1") = "6"
    & skf21("5","7","3","3","6","3","7","1") = "6"
    & skf21("5","7","3","3","6","4","1","1") = "6"
    & skf21("5","7","3","3","6","4","2","1") = "6"
    & skf21("5","7","3","3","6","4","3","1") = "6"
    & skf21("5","7","3","3","6","4","4","1") = "6"
    & skf21("5","7","3","3","6","4","5","1") = "6"
    & skf21("5","7","3","3","6","4","6","1") = "6"
    & skf21("5","7","3","3","6","4","7","1") = "6"
    & skf21("5","7","3","3","6","5","1","1") = "6"
    & skf21("5","7","3","3","6","5","2","1") = "6"
    & skf21("5","7","3","3","6","5","3","1") = "6"
    & skf21("5","7","3","3","6","5","4","1") = "6"
    & skf21("5","7","3","3","6","5","5","1") = "6"
    & skf21("5","7","3","3","6","5","6","1") = "6"
    & skf21("5","7","3","3","6","5","7","1") = "6"
    & skf21("5","7","3","3","6","6","1","1") = "6"
    & skf21("5","7","3","3","6","6","2","1") = "6"
    & skf21("5","7","3","3","6","6","3","1") = "6"
    & skf21("5","7","3","3","6","6","4","1") = "6"
    & skf21("5","7","3","3","6","6","5","1") = "6"
    & skf21("5","7","3","3","6","6","6","1") = "6"
    & skf21("5","7","3","3","6","6","7","1") = "6"
    & skf21("5","7","3","3","6","7","1","1") = "6"
    & skf21("5","7","3","3","6","7","2","1") = "6"
    & skf21("5","7","3","3","6","7","3","1") = "6"
    & skf21("5","7","3","3","6","7","4","1") = "6"
    & skf21("5","7","3","3","6","7","5","1") = "6"
    & skf21("5","7","3","3","6","7","6","1") = "6"
    & skf21("5","7","3","3","6","7","7","1") = "6"
    & skf21("5","7","3","3","7","1","1","1") = "6"
    & skf21("5","7","3","3","7","1","2","1") = "6"
    & skf21("5","7","3","3","7","1","3","1") = "6"
    & skf21("5","7","3","3","7","1","4","1") = "6"
    & skf21("5","7","3","3","7","1","5","1") = "6"
    & skf21("5","7","3","3","7","1","6","1") = "6"
    & skf21("5","7","3","3","7","1","7","1") = "6"
    & skf21("5","7","3","3","7","2","1","1") = "6"
    & skf21("5","7","3","3","7","2","2","1") = "6"
    & skf21("5","7","3","3","7","2","3","1") = "6"
    & skf21("5","7","3","3","7","2","4","1") = "6"
    & skf21("5","7","3","3","7","2","5","1") = "6"
    & skf21("5","7","3","3","7","2","6","1") = "6"
    & skf21("5","7","3","3","7","2","7","1") = "6"
    & skf21("5","7","3","3","7","3","1","1") = "6"
    & skf21("5","7","3","3","7","3","2","1") = "6"
    & skf21("5","7","3","3","7","3","3","1") = "6"
    & skf21("5","7","3","3","7","3","4","1") = "6"
    & skf21("5","7","3","3","7","3","5","1") = "6"
    & skf21("5","7","3","3","7","3","6","1") = "6"
    & skf21("5","7","3","3","7","3","7","1") = "6"
    & skf21("5","7","3","3","7","4","1","1") = "6"
    & skf21("5","7","3","3","7","4","2","1") = "6"
    & skf21("5","7","3","3","7","4","3","1") = "6"
    & skf21("5","7","3","3","7","4","4","1") = "6"
    & skf21("5","7","3","3","7","4","5","1") = "6"
    & skf21("5","7","3","3","7","4","6","1") = "6"
    & skf21("5","7","3","3","7","4","7","1") = "6"
    & skf21("5","7","3","3","7","5","1","1") = "6"
    & skf21("5","7","3","3","7","5","2","1") = "6"
    & skf21("5","7","3","3","7","5","3","1") = "6"
    & skf21("5","7","3","3","7","5","4","1") = "6"
    & skf21("5","7","3","3","7","5","5","1") = "6"
    & skf21("5","7","3","3","7","5","6","1") = "6"
    & skf21("5","7","3","3","7","5","7","1") = "6"
    & skf21("5","7","3","3","7","6","1","1") = "6"
    & skf21("5","7","3","3","7","6","2","1") = "6"
    & skf21("5","7","3","3","7","6","3","1") = "6"
    & skf21("5","7","3","3","7","6","4","1") = "6"
    & skf21("5","7","3","3","7","6","5","1") = "6"
    & skf21("5","7","3","3","7","6","6","1") = "6"
    & skf21("5","7","3","3","7","6","7","1") = "6"
    & skf21("5","7","3","3","7","7","1","1") = "6"
    & skf21("5","7","3","3","7","7","2","1") = "6"
    & skf21("5","7","3","3","7","7","3","1") = "6"
    & skf21("5","7","3","3","7","7","4","1") = "6"
    & skf21("5","7","3","3","7","7","5","1") = "6"
    & skf21("5","7","3","3","7","7","6","1") = "6"
    & skf21("5","7","3","3","7","7","7","1") = "6"
    & skf21("5","7","3","4","1","1","1","1") = "6"
    & skf21("5","7","3","4","1","1","2","1") = "6"
    & skf21("5","7","3","4","1","1","3","1") = "6"
    & skf21("5","7","3","4","1","1","4","1") = "6"
    & skf21("5","7","3","4","1","1","5","1") = "6"
    & skf21("5","7","3","4","1","1","6","1") = "6"
    & skf21("5","7","3","4","1","1","7","1") = "6"
    & skf21("5","7","3","4","1","2","1","1") = "6"
    & skf21("5","7","3","4","1","2","2","1") = "6"
    & skf21("5","7","3","4","1","2","3","1") = "6"
    & skf21("5","7","3","4","1","2","4","1") = "6"
    & skf21("5","7","3","4","1","2","5","1") = "6"
    & skf21("5","7","3","4","1","2","6","1") = "6"
    & skf21("5","7","3","4","1","2","7","1") = "6"
    & skf21("5","7","3","4","1","3","1","1") = "6"
    & skf21("5","7","3","4","1","3","2","1") = "6"
    & skf21("5","7","3","4","1","3","3","1") = "6"
    & skf21("5","7","3","4","1","3","4","1") = "6"
    & skf21("5","7","3","4","1","3","5","1") = "6"
    & skf21("5","7","3","4","1","3","6","1") = "6"
    & skf21("5","7","3","4","1","3","7","1") = "6"
    & skf21("5","7","3","4","1","4","1","1") = "6"
    & skf21("5","7","3","4","1","4","2","1") = "6"
    & skf21("5","7","3","4","1","4","3","1") = "6"
    & skf21("5","7","3","4","1","4","4","1") = "6"
    & skf21("5","7","3","4","1","4","5","1") = "6"
    & skf21("5","7","3","4","1","4","6","1") = "6"
    & skf21("5","7","3","4","1","4","7","1") = "6"
    & skf21("5","7","3","4","1","5","1","1") = "6"
    & skf21("5","7","3","4","1","5","2","1") = "6"
    & skf21("5","7","3","4","1","5","3","1") = "6"
    & skf21("5","7","3","4","1","5","4","1") = "6"
    & skf21("5","7","3","4","1","5","5","1") = "6"
    & skf21("5","7","3","4","1","5","6","1") = "6"
    & skf21("5","7","3","4","1","5","7","1") = "6"
    & skf21("5","7","3","4","1","6","1","1") = "6"
    & skf21("5","7","3","4","1","6","2","1") = "6"
    & skf21("5","7","3","4","1","6","3","1") = "6"
    & skf21("5","7","3","4","1","6","4","1") = "6"
    & skf21("5","7","3","4","1","6","5","1") = "6"
    & skf21("5","7","3","4","1","6","6","1") = "6"
    & skf21("5","7","3","4","1","6","7","1") = "6"
    & skf21("5","7","3","4","1","7","1","1") = "6"
    & skf21("5","7","3","4","1","7","2","1") = "6"
    & skf21("5","7","3","4","1","7","3","1") = "6"
    & skf21("5","7","3","4","1","7","4","1") = "6"
    & skf21("5","7","3","4","1","7","5","1") = "6"
    & skf21("5","7","3","4","1","7","6","1") = "6"
    & skf21("5","7","3","4","1","7","7","1") = "6"
    & skf21("5","7","3","4","2","1","1","1") = "6"
    & skf21("5","7","3","4","2","1","2","1") = "6"
    & skf21("5","7","3","4","2","1","3","1") = "6"
    & skf21("5","7","3","4","2","1","4","1") = "6"
    & skf21("5","7","3","4","2","1","5","1") = "6"
    & skf21("5","7","3","4","2","1","6","1") = "6"
    & skf21("5","7","3","4","2","1","7","1") = "6"
    & skf21("5","7","3","4","2","2","1","1") = "6"
    & skf21("5","7","3","4","2","2","2","1") = "6"
    & skf21("5","7","3","4","2","2","3","1") = "6"
    & skf21("5","7","3","4","2","2","4","1") = "6"
    & skf21("5","7","3","4","2","2","5","1") = "6"
    & skf21("5","7","3","4","2","2","6","1") = "6"
    & skf21("5","7","3","4","2","2","7","1") = "6"
    & skf21("5","7","3","4","2","3","1","1") = "6"
    & skf21("5","7","3","4","2","3","2","1") = "6"
    & skf21("5","7","3","4","2","3","3","1") = "6"
    & skf21("5","7","3","4","2","3","4","1") = "6"
    & skf21("5","7","3","4","2","3","5","1") = "6"
    & skf21("5","7","3","4","2","3","6","1") = "6"
    & skf21("5","7","3","4","2","3","7","1") = "6"
    & skf21("5","7","3","4","2","4","1","1") = "6"
    & skf21("5","7","3","4","2","4","2","1") = "6"
    & skf21("5","7","3","4","2","4","3","1") = "6"
    & skf21("5","7","3","4","2","4","4","1") = "6"
    & skf21("5","7","3","4","2","4","5","1") = "6"
    & skf21("5","7","3","4","2","4","6","1") = "6"
    & skf21("5","7","3","4","2","4","7","1") = "6"
    & skf21("5","7","3","4","2","5","1","1") = "6"
    & skf21("5","7","3","4","2","5","2","1") = "6"
    & skf21("5","7","3","4","2","5","3","1") = "6"
    & skf21("5","7","3","4","2","5","4","1") = "6"
    & skf21("5","7","3","4","2","5","5","1") = "6"
    & skf21("5","7","3","4","2","5","6","1") = "6"
    & skf21("5","7","3","4","2","5","7","1") = "6"
    & skf21("5","7","3","4","2","6","1","1") = "6"
    & skf21("5","7","3","4","2","6","2","1") = "6"
    & skf21("5","7","3","4","2","6","3","1") = "6"
    & skf21("5","7","3","4","2","6","4","1") = "6"
    & skf21("5","7","3","4","2","6","5","1") = "6"
    & skf21("5","7","3","4","2","6","6","1") = "6"
    & skf21("5","7","3","4","2","6","7","1") = "6"
    & skf21("5","7","3","4","2","7","1","1") = "6"
    & skf21("5","7","3","4","2","7","2","1") = "6"
    & skf21("5","7","3","4","2","7","3","1") = "6"
    & skf21("5","7","3","4","2","7","4","1") = "6"
    & skf21("5","7","3","4","2","7","5","1") = "6"
    & skf21("5","7","3","4","2","7","6","1") = "6"
    & skf21("5","7","3","4","2","7","7","1") = "6"
    & skf21("5","7","3","4","3","1","1","1") = "6"
    & skf21("5","7","3","4","3","1","2","1") = "6"
    & skf21("5","7","3","4","3","1","3","1") = "6"
    & skf21("5","7","3","4","3","1","4","1") = "6"
    & skf21("5","7","3","4","3","1","5","1") = "6"
    & skf21("5","7","3","4","3","1","6","1") = "6"
    & skf21("5","7","3","4","3","1","7","1") = "6"
    & skf21("5","7","3","4","3","2","1","1") = "6"
    & skf21("5","7","3","4","3","2","2","1") = "6"
    & skf21("5","7","3","4","3","2","3","1") = "6"
    & skf21("5","7","3","4","3","2","4","1") = "6"
    & skf21("5","7","3","4","3","2","5","1") = "6"
    & skf21("5","7","3","4","3","2","6","1") = "6"
    & skf21("5","7","3","4","3","2","7","1") = "6"
    & skf21("5","7","3","4","3","3","1","1") = "6"
    & skf21("5","7","3","4","3","3","2","1") = "6"
    & skf21("5","7","3","4","3","3","3","1") = "6"
    & skf21("5","7","3","4","3","3","4","1") = "6"
    & skf21("5","7","3","4","3","3","5","1") = "6"
    & skf21("5","7","3","4","3","3","6","1") = "6"
    & skf21("5","7","3","4","3","3","7","1") = "6"
    & skf21("5","7","3","4","3","4","1","1") = "6"
    & skf21("5","7","3","4","3","4","2","1") = "6"
    & skf21("5","7","3","4","3","4","3","1") = "6"
    & skf21("5","7","3","4","3","4","4","1") = "6"
    & skf21("5","7","3","4","3","4","5","1") = "6"
    & skf21("5","7","3","4","3","4","6","1") = "6"
    & skf21("5","7","3","4","3","4","7","1") = "6"
    & skf21("5","7","3","4","3","5","1","1") = "6"
    & skf21("5","7","3","4","3","5","2","1") = "6"
    & skf21("5","7","3","4","3","5","3","1") = "6"
    & skf21("5","7","3","4","3","5","4","1") = "6"
    & skf21("5","7","3","4","3","5","5","1") = "6"
    & skf21("5","7","3","4","3","5","6","1") = "6"
    & skf21("5","7","3","4","3","5","7","1") = "6"
    & skf21("5","7","3","4","3","6","1","1") = "6"
    & skf21("5","7","3","4","3","6","2","1") = "6"
    & skf21("5","7","3","4","3","6","3","1") = "6"
    & skf21("5","7","3","4","3","6","4","1") = "6"
    & skf21("5","7","3","4","3","6","5","1") = "6"
    & skf21("5","7","3","4","3","6","6","1") = "6"
    & skf21("5","7","3","4","3","6","7","1") = "6"
    & skf21("5","7","3","4","3","7","1","1") = "6"
    & skf21("5","7","3","4","3","7","2","1") = "6"
    & skf21("5","7","3","4","3","7","3","1") = "6"
    & skf21("5","7","3","4","3","7","4","1") = "6"
    & skf21("5","7","3","4","3","7","5","1") = "6"
    & skf21("5","7","3","4","3","7","6","1") = "6"
    & skf21("5","7","3","4","3","7","7","1") = "6"
    & skf21("5","7","3","4","4","1","1","1") = "6"
    & skf21("5","7","3","4","4","1","2","1") = "6"
    & skf21("5","7","3","4","4","1","3","1") = "6"
    & skf21("5","7","3","4","4","1","4","1") = "6"
    & skf21("5","7","3","4","4","1","5","1") = "6"
    & skf21("5","7","3","4","4","1","6","1") = "6"
    & skf21("5","7","3","4","4","1","7","1") = "6"
    & skf21("5","7","3","4","4","2","1","1") = "6"
    & skf21("5","7","3","4","4","2","2","1") = "6"
    & skf21("5","7","3","4","4","2","3","1") = "6"
    & skf21("5","7","3","4","4","2","4","1") = "6"
    & skf21("5","7","3","4","4","2","5","1") = "6"
    & skf21("5","7","3","4","4","2","6","1") = "6"
    & skf21("5","7","3","4","4","2","7","1") = "6"
    & skf21("5","7","3","4","4","3","1","1") = "6"
    & skf21("5","7","3","4","4","3","2","1") = "6"
    & skf21("5","7","3","4","4","3","3","1") = "6"
    & skf21("5","7","3","4","4","3","4","1") = "6"
    & skf21("5","7","3","4","4","3","5","1") = "6"
    & skf21("5","7","3","4","4","3","6","1") = "6"
    & skf21("5","7","3","4","4","3","7","1") = "6"
    & skf21("5","7","3","4","4","4","1","1") = "6"
    & skf21("5","7","3","4","4","4","2","1") = "6"
    & skf21("5","7","3","4","4","4","3","1") = "6"
    & skf21("5","7","3","4","4","4","4","1") = "6"
    & skf21("5","7","3","4","4","4","5","1") = "6"
    & skf21("5","7","3","4","4","4","6","1") = "6"
    & skf21("5","7","3","4","4","4","7","1") = "6"
    & skf21("5","7","3","4","4","5","1","1") = "6"
    & skf21("5","7","3","4","4","5","2","1") = "6"
    & skf21("5","7","3","4","4","5","3","1") = "6"
    & skf21("5","7","3","4","4","5","4","1") = "6"
    & skf21("5","7","3","4","4","5","5","1") = "6"
    & skf21("5","7","3","4","4","5","6","1") = "6"
    & skf21("5","7","3","4","4","5","7","1") = "6"
    & skf21("5","7","3","4","4","6","1","1") = "6"
    & skf21("5","7","3","4","4","6","2","1") = "6"
    & skf21("5","7","3","4","4","6","3","1") = "6"
    & skf21("5","7","3","4","4","6","4","1") = "6"
    & skf21("5","7","3","4","4","6","5","1") = "6"
    & skf21("5","7","3","4","4","6","6","1") = "6"
    & skf21("5","7","3","4","4","6","7","1") = "6"
    & skf21("5","7","3","4","4","7","1","1") = "6"
    & skf21("5","7","3","4","4","7","2","1") = "6"
    & skf21("5","7","3","4","4","7","3","1") = "6"
    & skf21("5","7","3","4","4","7","4","1") = "6"
    & skf21("5","7","3","4","4","7","5","1") = "6"
    & skf21("5","7","3","4","4","7","6","1") = "6"
    & skf21("5","7","3","4","4","7","7","1") = "6"
    & skf21("5","7","3","4","5","1","1","1") = "6"
    & skf21("5","7","3","4","5","1","2","1") = "6"
    & skf21("5","7","3","4","5","1","3","1") = "6"
    & skf21("5","7","3","4","5","1","4","1") = "6"
    & skf21("5","7","3","4","5","1","5","1") = "6"
    & skf21("5","7","3","4","5","1","6","1") = "6"
    & skf21("5","7","3","4","5","1","7","1") = "6"
    & skf21("5","7","3","4","5","2","1","1") = "6"
    & skf21("5","7","3","4","5","2","2","1") = "6"
    & skf21("5","7","3","4","5","2","3","1") = "6"
    & skf21("5","7","3","4","5","2","4","1") = "6"
    & skf21("5","7","3","4","5","2","5","1") = "6"
    & skf21("5","7","3","4","5","2","6","1") = "6"
    & skf21("5","7","3","4","5","2","7","1") = "6"
    & skf21("5","7","3","4","5","3","1","1") = "6"
    & skf21("5","7","3","4","5","3","2","1") = "6"
    & skf21("5","7","3","4","5","3","3","1") = "6"
    & skf21("5","7","3","4","5","3","4","1") = "6"
    & skf21("5","7","3","4","5","3","5","1") = "6"
    & skf21("5","7","3","4","5","3","6","1") = "6"
    & skf21("5","7","3","4","5","3","7","1") = "6"
    & skf21("5","7","3","4","5","4","1","1") = "6"
    & skf21("5","7","3","4","5","4","2","1") = "6"
    & skf21("5","7","3","4","5","4","3","1") = "6"
    & skf21("5","7","3","4","5","4","4","1") = "6"
    & skf21("5","7","3","4","5","4","5","1") = "6"
    & skf21("5","7","3","4","5","4","6","1") = "6"
    & skf21("5","7","3","4","5","4","7","1") = "6"
    & skf21("5","7","3","4","5","5","1","1") = "6"
    & skf21("5","7","3","4","5","5","2","1") = "6"
    & skf21("5","7","3","4","5","5","3","1") = "6"
    & skf21("5","7","3","4","5","5","4","1") = "6"
    & skf21("5","7","3","4","5","5","5","1") = "6"
    & skf21("5","7","3","4","5","5","6","1") = "6"
    & skf21("5","7","3","4","5","5","7","1") = "6"
    & skf21("5","7","3","4","5","6","1","1") = "6"
    & skf21("5","7","3","4","5","6","2","1") = "6"
    & skf21("5","7","3","4","5","6","3","1") = "6"
    & skf21("5","7","3","4","5","6","4","1") = "6"
    & skf21("5","7","3","4","5","6","5","1") = "6"
    & skf21("5","7","3","4","5","6","6","1") = "6"
    & skf21("5","7","3","4","5","6","7","1") = "6"
    & skf21("5","7","3","4","5","7","1","1") = "6"
    & skf21("5","7","3","4","5","7","2","1") = "6"
    & skf21("5","7","3","4","5","7","3","1") = "6"
    & skf21("5","7","3","4","5","7","4","1") = "6"
    & skf21("5","7","3","4","5","7","5","1") = "6"
    & skf21("5","7","3","4","5","7","6","1") = "6"
    & skf21("5","7","3","4","5","7","7","1") = "6"
    & skf21("5","7","3","4","6","1","1","1") = "6"
    & skf21("5","7","3","4","6","1","2","1") = "6"
    & skf21("5","7","3","4","6","1","3","1") = "6"
    & skf21("5","7","3","4","6","1","4","1") = "6"
    & skf21("5","7","3","4","6","1","5","1") = "6"
    & skf21("5","7","3","4","6","1","6","1") = "6"
    & skf21("5","7","3","4","6","1","7","1") = "6"
    & skf21("5","7","3","4","6","2","1","1") = "6"
    & skf21("5","7","3","4","6","2","2","1") = "6"
    & skf21("5","7","3","4","6","2","3","1") = "6"
    & skf21("5","7","3","4","6","2","4","1") = "6"
    & skf21("5","7","3","4","6","2","5","1") = "6"
    & skf21("5","7","3","4","6","2","6","1") = "6"
    & skf21("5","7","3","4","6","2","7","1") = "6"
    & skf21("5","7","3","4","6","3","1","1") = "6"
    & skf21("5","7","3","4","6","3","2","1") = "6"
    & skf21("5","7","3","4","6","3","3","1") = "6"
    & skf21("5","7","3","4","6","3","4","1") = "6"
    & skf21("5","7","3","4","6","3","5","1") = "6"
    & skf21("5","7","3","4","6","3","6","1") = "6"
    & skf21("5","7","3","4","6","3","7","1") = "6"
    & skf21("5","7","3","4","6","4","1","1") = "6"
    & skf21("5","7","3","4","6","4","2","1") = "6"
    & skf21("5","7","3","4","6","4","3","1") = "6"
    & skf21("5","7","3","4","6","4","4","1") = "6"
    & skf21("5","7","3","4","6","4","5","1") = "6"
    & skf21("5","7","3","4","6","4","6","1") = "6"
    & skf21("5","7","3","4","6","4","7","1") = "6"
    & skf21("5","7","3","4","6","5","1","1") = "6"
    & skf21("5","7","3","4","6","5","2","1") = "6"
    & skf21("5","7","3","4","6","5","3","1") = "6"
    & skf21("5","7","3","4","6","5","4","1") = "6"
    & skf21("5","7","3","4","6","5","5","1") = "6"
    & skf21("5","7","3","4","6","5","6","1") = "6"
    & skf21("5","7","3","4","6","5","7","1") = "6"
    & skf21("5","7","3","4","6","6","1","1") = "6"
    & skf21("5","7","3","4","6","6","2","1") = "6"
    & skf21("5","7","3","4","6","6","3","1") = "6"
    & skf21("5","7","3","4","6","6","4","1") = "6"
    & skf21("5","7","3","4","6","6","5","1") = "6"
    & skf21("5","7","3","4","6","6","6","1") = "6"
    & skf21("5","7","3","4","6","6","7","1") = "6"
    & skf21("5","7","3","4","6","7","1","1") = "6"
    & skf21("5","7","3","4","6","7","2","1") = "6"
    & skf21("5","7","3","4","6","7","3","1") = "6"
    & skf21("5","7","3","4","6","7","4","1") = "6"
    & skf21("5","7","3","4","6","7","5","1") = "6"
    & skf21("5","7","3","4","6","7","6","1") = "6"
    & skf21("5","7","3","4","6","7","7","1") = "6"
    & skf21("5","7","3","4","7","1","1","1") = "6"
    & skf21("5","7","3","4","7","1","2","1") = "6"
    & skf21("5","7","3","4","7","1","3","1") = "6"
    & skf21("5","7","3","4","7","1","4","1") = "6"
    & skf21("5","7","3","4","7","1","5","1") = "6"
    & skf21("5","7","3","4","7","1","6","1") = "6"
    & skf21("5","7","3","4","7","1","7","1") = "6"
    & skf21("5","7","3","4","7","2","1","1") = "6"
    & skf21("5","7","3","4","7","2","2","1") = "6"
    & skf21("5","7","3","4","7","2","3","1") = "6"
    & skf21("5","7","3","4","7","2","4","1") = "6"
    & skf21("5","7","3","4","7","2","5","1") = "6"
    & skf21("5","7","3","4","7","2","6","1") = "6"
    & skf21("5","7","3","4","7","2","7","1") = "6"
    & skf21("5","7","3","4","7","3","1","1") = "6"
    & skf21("5","7","3","4","7","3","2","1") = "6"
    & skf21("5","7","3","4","7","3","3","1") = "6"
    & skf21("5","7","3","4","7","3","4","1") = "6"
    & skf21("5","7","3","4","7","3","5","1") = "6"
    & skf21("5","7","3","4","7","3","6","1") = "6"
    & skf21("5","7","3","4","7","3","7","1") = "6"
    & skf21("5","7","3","4","7","4","1","1") = "6"
    & skf21("5","7","3","4","7","4","2","1") = "6"
    & skf21("5","7","3","4","7","4","3","1") = "6"
    & skf21("5","7","3","4","7","4","4","1") = "6"
    & skf21("5","7","3","4","7","4","5","1") = "6"
    & skf21("5","7","3","4","7","4","6","1") = "6"
    & skf21("5","7","3","4","7","4","7","1") = "6"
    & skf21("5","7","3","4","7","5","1","1") = "6"
    & skf21("5","7","3","4","7","5","2","1") = "6"
    & skf21("5","7","3","4","7","5","3","1") = "6"
    & skf21("5","7","3","4","7","5","4","1") = "6"
    & skf21("5","7","3","4","7","5","5","1") = "6"
    & skf21("5","7","3","4","7","5","6","1") = "6"
    & skf21("5","7","3","4","7","5","7","1") = "6"
    & skf21("5","7","3","4","7","6","1","1") = "6"
    & skf21("5","7","3","4","7","6","2","1") = "6"
    & skf21("5","7","3","4","7","6","3","1") = "6"
    & skf21("5","7","3","4","7","6","4","1") = "6"
    & skf21("5","7","3","4","7","6","5","1") = "6"
    & skf21("5","7","3","4","7","6","6","1") = "6"
    & skf21("5","7","3","4","7","6","7","1") = "6"
    & skf21("5","7","3","4","7","7","1","1") = "6"
    & skf21("5","7","3","4","7","7","2","1") = "6"
    & skf21("5","7","3","4","7","7","3","1") = "6"
    & skf21("5","7","3","4","7","7","4","1") = "6"
    & skf21("5","7","3","4","7","7","5","1") = "6"
    & skf21("5","7","3","4","7","7","6","1") = "6"
    & skf21("5","7","3","4","7","7","7","1") = "6"
    & skf21("5","7","3","5","1","1","1","1") = "6"
    & skf21("5","7","3","5","1","1","2","1") = "6"
    & skf21("5","7","3","5","1","1","3","1") = "6"
    & skf21("5","7","3","5","1","1","4","1") = "6"
    & skf21("5","7","3","5","1","1","5","1") = "6"
    & skf21("5","7","3","5","1","1","6","1") = "6"
    & skf21("5","7","3","5","1","1","7","1") = "6"
    & skf21("5","7","3","5","1","2","1","1") = "6"
    & skf21("5","7","3","5","1","2","2","1") = "6"
    & skf21("5","7","3","5","1","2","3","1") = "6"
    & skf21("5","7","3","5","1","2","4","1") = "6"
    & skf21("5","7","3","5","1","2","5","1") = "6"
    & skf21("5","7","3","5","1","2","6","1") = "6"
    & skf21("5","7","3","5","1","2","7","1") = "6"
    & skf21("5","7","3","5","1","3","1","1") = "6"
    & skf21("5","7","3","5","1","3","2","1") = "6"
    & skf21("5","7","3","5","1","3","3","1") = "6"
    & skf21("5","7","3","5","1","3","4","1") = "6"
    & skf21("5","7","3","5","1","3","5","1") = "6"
    & skf21("5","7","3","5","1","3","6","1") = "6"
    & skf21("5","7","3","5","1","3","7","1") = "6"
    & skf21("5","7","3","5","1","4","1","1") = "6"
    & skf21("5","7","3","5","1","4","2","1") = "6"
    & skf21("5","7","3","5","1","4","3","1") = "6"
    & skf21("5","7","3","5","1","4","4","1") = "6"
    & skf21("5","7","3","5","1","4","5","1") = "6"
    & skf21("5","7","3","5","1","4","6","1") = "6"
    & skf21("5","7","3","5","1","4","7","1") = "6"
    & skf21("5","7","3","5","1","5","1","1") = "6"
    & skf21("5","7","3","5","1","5","2","1") = "6"
    & skf21("5","7","3","5","1","5","3","1") = "6"
    & skf21("5","7","3","5","1","5","4","1") = "6"
    & skf21("5","7","3","5","1","5","5","1") = "6"
    & skf21("5","7","3","5","1","5","6","1") = "6"
    & skf21("5","7","3","5","1","5","7","1") = "6"
    & skf21("5","7","3","5","1","6","1","1") = "6"
    & skf21("5","7","3","5","1","6","2","1") = "6"
    & skf21("5","7","3","5","1","6","3","1") = "6"
    & skf21("5","7","3","5","1","6","4","1") = "6"
    & skf21("5","7","3","5","1","6","5","1") = "6"
    & skf21("5","7","3","5","1","6","6","1") = "6"
    & skf21("5","7","3","5","1","6","7","1") = "6"
    & skf21("5","7","3","5","1","7","1","1") = "6"
    & skf21("5","7","3","5","1","7","2","1") = "6"
    & skf21("5","7","3","5","1","7","3","1") = "6"
    & skf21("5","7","3","5","1","7","4","1") = "6"
    & skf21("5","7","3","5","1","7","5","1") = "6"
    & skf21("5","7","3","5","1","7","6","1") = "6"
    & skf21("5","7","3","5","1","7","7","1") = "6"
    & skf21("5","7","3","5","2","1","1","1") = "6"
    & skf21("5","7","3","5","2","1","2","1") = "6"
    & skf21("5","7","3","5","2","1","3","1") = "6"
    & skf21("5","7","3","5","2","1","4","1") = "6"
    & skf21("5","7","3","5","2","1","5","1") = "6"
    & skf21("5","7","3","5","2","1","6","1") = "6"
    & skf21("5","7","3","5","2","1","7","1") = "6"
    & skf21("5","7","3","5","2","2","1","1") = "6"
    & skf21("5","7","3","5","2","2","2","1") = "6"
    & skf21("5","7","3","5","2","2","3","1") = "6"
    & skf21("5","7","3","5","2","2","4","1") = "6"
    & skf21("5","7","3","5","2","2","5","1") = "6"
    & skf21("5","7","3","5","2","2","6","1") = "6"
    & skf21("5","7","3","5","2","2","7","1") = "6"
    & skf21("5","7","3","5","2","3","1","1") = "6"
    & skf21("5","7","3","5","2","3","2","1") = "6"
    & skf21("5","7","3","5","2","3","3","1") = "6"
    & skf21("5","7","3","5","2","3","4","1") = "6"
    & skf21("5","7","3","5","2","3","5","1") = "6"
    & skf21("5","7","3","5","2","3","6","1") = "6"
    & skf21("5","7","3","5","2","3","7","1") = "6"
    & skf21("5","7","3","5","2","4","1","1") = "6"
    & skf21("5","7","3","5","2","4","2","1") = "6"
    & skf21("5","7","3","5","2","4","3","1") = "6"
    & skf21("5","7","3","5","2","4","4","1") = "6"
    & skf21("5","7","3","5","2","4","5","1") = "6"
    & skf21("5","7","3","5","2","4","6","1") = "6"
    & skf21("5","7","3","5","2","4","7","1") = "6"
    & skf21("5","7","3","5","2","5","1","1") = "6"
    & skf21("5","7","3","5","2","5","2","1") = "6"
    & skf21("5","7","3","5","2","5","3","1") = "6"
    & skf21("5","7","3","5","2","5","4","1") = "6"
    & skf21("5","7","3","5","2","5","5","1") = "6"
    & skf21("5","7","3","5","2","5","6","1") = "6"
    & skf21("5","7","3","5","2","5","7","1") = "6"
    & skf21("5","7","3","5","2","6","1","1") = "6"
    & skf21("5","7","3","5","2","6","2","1") = "6"
    & skf21("5","7","3","5","2","6","3","1") = "6"
    & skf21("5","7","3","5","2","6","4","1") = "6"
    & skf21("5","7","3","5","2","6","5","1") = "6"
    & skf21("5","7","3","5","2","6","6","1") = "6"
    & skf21("5","7","3","5","2","6","7","1") = "6"
    & skf21("5","7","3","5","2","7","1","1") = "6"
    & skf21("5","7","3","5","2","7","2","1") = "6"
    & skf21("5","7","3","5","2","7","3","1") = "6"
    & skf21("5","7","3","5","2","7","4","1") = "6"
    & skf21("5","7","3","5","2","7","5","1") = "6"
    & skf21("5","7","3","5","2","7","6","1") = "6"
    & skf21("5","7","3","5","2","7","7","1") = "6"
    & skf21("5","7","3","5","3","1","1","1") = "6"
    & skf21("5","7","3","5","3","1","2","1") = "6"
    & skf21("5","7","3","5","3","1","3","1") = "6"
    & skf21("5","7","3","5","3","1","4","1") = "6"
    & skf21("5","7","3","5","3","1","5","1") = "6"
    & skf21("5","7","3","5","3","1","6","1") = "6"
    & skf21("5","7","3","5","3","1","7","1") = "6"
    & skf21("5","7","3","5","3","2","1","1") = "6"
    & skf21("5","7","3","5","3","2","2","1") = "6"
    & skf21("5","7","3","5","3","2","3","1") = "6"
    & skf21("5","7","3","5","3","2","4","1") = "6"
    & skf21("5","7","3","5","3","2","5","1") = "6"
    & skf21("5","7","3","5","3","2","6","1") = "6"
    & skf21("5","7","3","5","3","2","7","1") = "6"
    & skf21("5","7","3","5","3","3","1","1") = "6"
    & skf21("5","7","3","5","3","3","2","1") = "6"
    & skf21("5","7","3","5","3","3","3","1") = "6"
    & skf21("5","7","3","5","3","3","4","1") = "6"
    & skf21("5","7","3","5","3","3","5","1") = "6"
    & skf21("5","7","3","5","3","3","6","1") = "6"
    & skf21("5","7","3","5","3","3","7","1") = "6"
    & skf21("5","7","3","5","3","4","1","1") = "6"
    & skf21("5","7","3","5","3","4","2","1") = "6"
    & skf21("5","7","3","5","3","4","3","1") = "6"
    & skf21("5","7","3","5","3","4","4","1") = "6"
    & skf21("5","7","3","5","3","4","5","1") = "6"
    & skf21("5","7","3","5","3","4","6","1") = "6"
    & skf21("5","7","3","5","3","4","7","1") = "6"
    & skf21("5","7","3","5","3","5","1","1") = "6"
    & skf21("5","7","3","5","3","5","2","1") = "6"
    & skf21("5","7","3","5","3","5","3","1") = "6"
    & skf21("5","7","3","5","3","5","4","1") = "6"
    & skf21("5","7","3","5","3","5","5","1") = "6"
    & skf21("5","7","3","5","3","5","6","1") = "6"
    & skf21("5","7","3","5","3","5","7","1") = "6"
    & skf21("5","7","3","5","3","6","1","1") = "6"
    & skf21("5","7","3","5","3","6","2","1") = "6"
    & skf21("5","7","3","5","3","6","3","1") = "6"
    & skf21("5","7","3","5","3","6","4","1") = "6"
    & skf21("5","7","3","5","3","6","5","1") = "6"
    & skf21("5","7","3","5","3","6","6","1") = "6"
    & skf21("5","7","3","5","3","6","7","1") = "6"
    & skf21("5","7","3","5","3","7","1","1") = "6"
    & skf21("5","7","3","5","3","7","2","1") = "6"
    & skf21("5","7","3","5","3","7","3","1") = "6"
    & skf21("5","7","3","5","3","7","4","1") = "6"
    & skf21("5","7","3","5","3","7","5","1") = "6"
    & skf21("5","7","3","5","3","7","6","1") = "6"
    & skf21("5","7","3","5","3","7","7","1") = "6"
    & skf21("5","7","3","5","4","1","1","1") = "6"
    & skf21("5","7","3","5","4","1","2","1") = "6"
    & skf21("5","7","3","5","4","1","3","1") = "6"
    & skf21("5","7","3","5","4","1","4","1") = "6"
    & skf21("5","7","3","5","4","1","5","1") = "6"
    & skf21("5","7","3","5","4","1","6","1") = "6"
    & skf21("5","7","3","5","4","1","7","1") = "6"
    & skf21("5","7","3","5","4","2","1","1") = "6"
    & skf21("5","7","3","5","4","2","2","1") = "6"
    & skf21("5","7","3","5","4","2","3","1") = "6"
    & skf21("5","7","3","5","4","2","4","1") = "6"
    & skf21("5","7","3","5","4","2","5","1") = "6"
    & skf21("5","7","3","5","4","2","6","1") = "6"
    & skf21("5","7","3","5","4","2","7","1") = "6"
    & skf21("5","7","3","5","4","3","1","1") = "6"
    & skf21("5","7","3","5","4","3","2","1") = "6"
    & skf21("5","7","3","5","4","3","3","1") = "6"
    & skf21("5","7","3","5","4","3","4","1") = "6"
    & skf21("5","7","3","5","4","3","5","1") = "6"
    & skf21("5","7","3","5","4","3","6","1") = "6"
    & skf21("5","7","3","5","4","3","7","1") = "6"
    & skf21("5","7","3","5","4","4","1","1") = "6"
    & skf21("5","7","3","5","4","4","2","1") = "6"
    & skf21("5","7","3","5","4","4","3","1") = "6"
    & skf21("5","7","3","5","4","4","4","1") = "6"
    & skf21("5","7","3","5","4","4","5","1") = "6"
    & skf21("5","7","3","5","4","4","6","1") = "6"
    & skf21("5","7","3","5","4","4","7","1") = "6"
    & skf21("5","7","3","5","4","5","1","1") = "6"
    & skf21("5","7","3","5","4","5","2","1") = "6"
    & skf21("5","7","3","5","4","5","3","1") = "6"
    & skf21("5","7","3","5","4","5","4","1") = "6"
    & skf21("5","7","3","5","4","5","5","1") = "6"
    & skf21("5","7","3","5","4","5","6","1") = "6"
    & skf21("5","7","3","5","4","5","7","1") = "6"
    & skf21("5","7","3","5","4","6","1","1") = "6"
    & skf21("5","7","3","5","4","6","2","1") = "6"
    & skf21("5","7","3","5","4","6","3","1") = "6"
    & skf21("5","7","3","5","4","6","4","1") = "6"
    & skf21("5","7","3","5","4","6","5","1") = "6"
    & skf21("5","7","3","5","4","6","6","1") = "6"
    & skf21("5","7","3","5","4","6","7","1") = "6"
    & skf21("5","7","3","5","4","7","1","1") = "6"
    & skf21("5","7","3","5","4","7","2","1") = "6"
    & skf21("5","7","3","5","4","7","3","1") = "6"
    & skf21("5","7","3","5","4","7","4","1") = "6"
    & skf21("5","7","3","5","4","7","5","1") = "6"
    & skf21("5","7","3","5","4","7","6","1") = "6"
    & skf21("5","7","3","5","4","7","7","1") = "6"
    & skf21("5","7","3","5","5","1","1","1") = "6"
    & skf21("5","7","3","5","5","1","2","1") = "6"
    & skf21("5","7","3","5","5","1","3","1") = "6"
    & skf21("5","7","3","5","5","1","4","1") = "6"
    & skf21("5","7","3","5","5","1","5","1") = "6"
    & skf21("5","7","3","5","5","1","6","1") = "6"
    & skf21("5","7","3","5","5","1","7","1") = "6"
    & skf21("5","7","3","5","5","2","1","1") = "6"
    & skf21("5","7","3","5","5","2","2","1") = "6"
    & skf21("5","7","3","5","5","2","3","1") = "6"
    & skf21("5","7","3","5","5","2","4","1") = "6"
    & skf21("5","7","3","5","5","2","5","1") = "6"
    & skf21("5","7","3","5","5","2","6","1") = "6"
    & skf21("5","7","3","5","5","2","7","1") = "6"
    & skf21("5","7","3","5","5","3","1","1") = "6"
    & skf21("5","7","3","5","5","3","2","1") = "6"
    & skf21("5","7","3","5","5","3","3","1") = "6"
    & skf21("5","7","3","5","5","3","4","1") = "6"
    & skf21("5","7","3","5","5","3","5","1") = "6"
    & skf21("5","7","3","5","5","3","6","1") = "6"
    & skf21("5","7","3","5","5","3","7","1") = "6"
    & skf21("5","7","3","5","5","4","1","1") = "6"
    & skf21("5","7","3","5","5","4","2","1") = "6"
    & skf21("5","7","3","5","5","4","3","1") = "6"
    & skf21("5","7","3","5","5","4","4","1") = "6"
    & skf21("5","7","3","5","5","4","5","1") = "6"
    & skf21("5","7","3","5","5","4","6","1") = "6"
    & skf21("5","7","3","5","5","4","7","1") = "6"
    & skf21("5","7","3","5","5","5","1","1") = "6"
    & skf21("5","7","3","5","5","5","2","1") = "6"
    & skf21("5","7","3","5","5","5","3","1") = "6"
    & skf21("5","7","3","5","5","5","4","1") = "6"
    & skf21("5","7","3","5","5","5","5","1") = "6"
    & skf21("5","7","3","5","5","5","6","1") = "6"
    & skf21("5","7","3","5","5","5","7","1") = "6"
    & skf21("5","7","3","5","5","6","1","1") = "6"
    & skf21("5","7","3","5","5","6","2","1") = "6"
    & skf21("5","7","3","5","5","6","3","1") = "6"
    & skf21("5","7","3","5","5","6","4","1") = "6"
    & skf21("5","7","3","5","5","6","5","1") = "6"
    & skf21("5","7","3","5","5","6","6","1") = "6"
    & skf21("5","7","3","5","5","6","7","1") = "6"
    & skf21("5","7","3","5","5","7","1","1") = "6"
    & skf21("5","7","3","5","5","7","2","1") = "6"
    & skf21("5","7","3","5","5","7","3","1") = "6"
    & skf21("5","7","3","5","5","7","4","1") = "6"
    & skf21("5","7","3","5","5","7","5","1") = "6"
    & skf21("5","7","3","5","5","7","6","1") = "6"
    & skf21("5","7","3","5","5","7","7","1") = "6"
    & skf21("5","7","3","5","6","1","1","1") = "6"
    & skf21("5","7","3","5","6","1","2","1") = "6"
    & skf21("5","7","3","5","6","1","3","1") = "6"
    & skf21("5","7","3","5","6","1","4","1") = "6"
    & skf21("5","7","3","5","6","1","5","1") = "6"
    & skf21("5","7","3","5","6","1","6","1") = "6"
    & skf21("5","7","3","5","6","1","7","1") = "6"
    & skf21("5","7","3","5","6","2","1","1") = "6"
    & skf21("5","7","3","5","6","2","2","1") = "6"
    & skf21("5","7","3","5","6","2","3","1") = "6"
    & skf21("5","7","3","5","6","2","4","1") = "6"
    & skf21("5","7","3","5","6","2","5","1") = "6"
    & skf21("5","7","3","5","6","2","6","1") = "6"
    & skf21("5","7","3","5","6","2","7","1") = "6"
    & skf21("5","7","3","5","6","3","1","1") = "6"
    & skf21("5","7","3","5","6","3","2","1") = "6"
    & skf21("5","7","3","5","6","3","3","1") = "6"
    & skf21("5","7","3","5","6","3","4","1") = "6"
    & skf21("5","7","3","5","6","3","5","1") = "6"
    & skf21("5","7","3","5","6","3","6","1") = "6"
    & skf21("5","7","3","5","6","3","7","1") = "6"
    & skf21("5","7","3","5","6","4","1","1") = "6"
    & skf21("5","7","3","5","6","4","2","1") = "6"
    & skf21("5","7","3","5","6","4","3","1") = "6"
    & skf21("5","7","3","5","6","4","4","1") = "6"
    & skf21("5","7","3","5","6","4","5","1") = "6"
    & skf21("5","7","3","5","6","4","6","1") = "6"
    & skf21("5","7","3","5","6","4","7","1") = "6"
    & skf21("5","7","3","5","6","5","1","1") = "6"
    & skf21("5","7","3","5","6","5","2","1") = "6"
    & skf21("5","7","3","5","6","5","3","1") = "6"
    & skf21("5","7","3","5","6","5","4","1") = "6"
    & skf21("5","7","3","5","6","5","5","1") = "6"
    & skf21("5","7","3","5","6","5","6","1") = "6"
    & skf21("5","7","3","5","6","5","7","1") = "6"
    & skf21("5","7","3","5","6","6","1","1") = "6"
    & skf21("5","7","3","5","6","6","2","1") = "6"
    & skf21("5","7","3","5","6","6","3","1") = "6"
    & skf21("5","7","3","5","6","6","4","1") = "6"
    & skf21("5","7","3","5","6","6","5","1") = "6"
    & skf21("5","7","3","5","6","6","6","1") = "6"
    & skf21("5","7","3","5","6","6","7","1") = "6"
    & skf21("5","7","3","5","6","7","1","1") = "6"
    & skf21("5","7","3","5","6","7","2","1") = "6"
    & skf21("5","7","3","5","6","7","3","1") = "6"
    & skf21("5","7","3","5","6","7","4","1") = "6"
    & skf21("5","7","3","5","6","7","5","1") = "6"
    & skf21("5","7","3","5","6","7","6","1") = "6"
    & skf21("5","7","3","5","6","7","7","1") = "6"
    & skf21("5","7","3","5","7","1","1","1") = "6"
    & skf21("5","7","3","5","7","1","2","1") = "6"
    & skf21("5","7","3","5","7","1","3","1") = "6"
    & skf21("5","7","3","5","7","1","4","1") = "6"
    & skf21("5","7","3","5","7","1","5","1") = "6"
    & skf21("5","7","3","5","7","1","6","1") = "6"
    & skf21("5","7","3","5","7","1","7","1") = "6"
    & skf21("5","7","3","5","7","2","1","1") = "6"
    & skf21("5","7","3","5","7","2","2","1") = "6"
    & skf21("5","7","3","5","7","2","3","1") = "6"
    & skf21("5","7","3","5","7","2","4","1") = "6"
    & skf21("5","7","3","5","7","2","5","1") = "6"
    & skf21("5","7","3","5","7","2","6","1") = "6"
    & skf21("5","7","3","5","7","2","7","1") = "6"
    & skf21("5","7","3","5","7","3","1","1") = "6"
    & skf21("5","7","3","5","7","3","2","1") = "6"
    & skf21("5","7","3","5","7","3","3","1") = "6"
    & skf21("5","7","3","5","7","3","4","1") = "6"
    & skf21("5","7","3","5","7","3","5","1") = "6"
    & skf21("5","7","3","5","7","3","6","1") = "6"
    & skf21("5","7","3","5","7","3","7","1") = "6"
    & skf21("5","7","3","5","7","4","1","1") = "6"
    & skf21("5","7","3","5","7","4","2","1") = "6"
    & skf21("5","7","3","5","7","4","3","1") = "6"
    & skf21("5","7","3","5","7","4","4","1") = "6"
    & skf21("5","7","3","5","7","4","5","1") = "6"
    & skf21("5","7","3","5","7","4","6","1") = "6"
    & skf21("5","7","3","5","7","4","7","1") = "6"
    & skf21("5","7","3","5","7","5","1","1") = "6"
    & skf21("5","7","3","5","7","5","2","1") = "6"
    & skf21("5","7","3","5","7","5","3","1") = "6"
    & skf21("5","7","3","5","7","5","4","1") = "6"
    & skf21("5","7","3","5","7","5","5","1") = "6"
    & skf21("5","7","3","5","7","5","6","1") = "6"
    & skf21("5","7","3","5","7","5","7","1") = "6"
    & skf21("5","7","3","5","7","6","1","1") = "6"
    & skf21("5","7","3","5","7","6","2","1") = "6"
    & skf21("5","7","3","5","7","6","3","1") = "6"
    & skf21("5","7","3","5","7","6","4","1") = "6"
    & skf21("5","7","3","5","7","6","5","1") = "6"
    & skf21("5","7","3","5","7","6","6","1") = "6"
    & skf21("5","7","3","5","7","6","7","1") = "6"
    & skf21("5","7","3","5","7","7","1","1") = "6"
    & skf21("5","7","3","5","7","7","2","1") = "6"
    & skf21("5","7","3","5","7","7","3","1") = "6"
    & skf21("5","7","3","5","7","7","4","1") = "6"
    & skf21("5","7","3","5","7","7","5","1") = "6"
    & skf21("5","7","3","5","7","7","6","1") = "6"
    & skf21("5","7","3","5","7","7","7","1") = "6"
    & skf21("5","7","3","6","1","1","1","1") = "6"
    & skf21("5","7","3","6","1","1","2","1") = "6"
    & skf21("5","7","3","6","1","1","3","1") = "6"
    & skf21("5","7","3","6","1","1","4","1") = "6"
    & skf21("5","7","3","6","1","1","5","1") = "6"
    & skf21("5","7","3","6","1","1","6","1") = "6"
    & skf21("5","7","3","6","1","1","7","1") = "6"
    & skf21("5","7","3","6","1","2","1","1") = "6"
    & skf21("5","7","3","6","1","2","2","1") = "6"
    & skf21("5","7","3","6","1","2","3","1") = "6"
    & skf21("5","7","3","6","1","2","4","1") = "6"
    & skf21("5","7","3","6","1","2","5","1") = "6"
    & skf21("5","7","3","6","1","2","6","1") = "6"
    & skf21("5","7","3","6","1","2","7","1") = "6"
    & skf21("5","7","3","6","1","3","1","1") = "6"
    & skf21("5","7","3","6","1","3","2","1") = "6"
    & skf21("5","7","3","6","1","3","3","1") = "6"
    & skf21("5","7","3","6","1","3","4","1") = "6"
    & skf21("5","7","3","6","1","3","5","1") = "6"
    & skf21("5","7","3","6","1","3","6","1") = "6"
    & skf21("5","7","3","6","1","3","7","1") = "6"
    & skf21("5","7","3","6","1","4","1","1") = "6"
    & skf21("5","7","3","6","1","4","2","1") = "6"
    & skf21("5","7","3","6","1","4","3","1") = "6"
    & skf21("5","7","3","6","1","4","4","1") = "6"
    & skf21("5","7","3","6","1","4","5","1") = "6"
    & skf21("5","7","3","6","1","4","6","1") = "6"
    & skf21("5","7","3","6","1","4","7","1") = "6"
    & skf21("5","7","3","6","1","5","1","1") = "6"
    & skf21("5","7","3","6","1","5","2","1") = "6"
    & skf21("5","7","3","6","1","5","3","1") = "6"
    & skf21("5","7","3","6","1","5","4","1") = "6"
    & skf21("5","7","3","6","1","5","5","1") = "6"
    & skf21("5","7","3","6","1","5","6","1") = "6"
    & skf21("5","7","3","6","1","5","7","1") = "6"
    & skf21("5","7","3","6","1","6","1","1") = "6"
    & skf21("5","7","3","6","1","6","2","1") = "6"
    & skf21("5","7","3","6","1","6","3","1") = "6"
    & skf21("5","7","3","6","1","6","4","1") = "6"
    & skf21("5","7","3","6","1","6","5","1") = "6"
    & skf21("5","7","3","6","1","6","6","1") = "6"
    & skf21("5","7","3","6","1","6","7","1") = "6"
    & skf21("5","7","3","6","1","7","1","1") = "6"
    & skf21("5","7","3","6","1","7","2","1") = "6"
    & skf21("5","7","3","6","1","7","3","1") = "6"
    & skf21("5","7","3","6","1","7","4","1") = "6"
    & skf21("5","7","3","6","1","7","5","1") = "6"
    & skf21("5","7","3","6","1","7","6","1") = "6"
    & skf21("5","7","3","6","1","7","7","1") = "6"
    & skf21("5","7","3","6","2","1","1","1") = "6"
    & skf21("5","7","3","6","2","1","2","1") = "6"
    & skf21("5","7","3","6","2","1","3","1") = "6"
    & skf21("5","7","3","6","2","1","4","1") = "6"
    & skf21("5","7","3","6","2","1","5","1") = "6"
    & skf21("5","7","3","6","2","1","6","1") = "6"
    & skf21("5","7","3","6","2","1","7","1") = "6"
    & skf21("5","7","3","6","2","2","1","1") = "6"
    & skf21("5","7","3","6","2","2","2","1") = "6"
    & skf21("5","7","3","6","2","2","3","1") = "6"
    & skf21("5","7","3","6","2","2","4","1") = "6"
    & skf21("5","7","3","6","2","2","5","1") = "6"
    & skf21("5","7","3","6","2","2","6","1") = "6"
    & skf21("5","7","3","6","2","2","7","1") = "6"
    & skf21("5","7","3","6","2","3","1","1") = "6"
    & skf21("5","7","3","6","2","3","2","1") = "6"
    & skf21("5","7","3","6","2","3","3","1") = "6"
    & skf21("5","7","3","6","2","3","4","1") = "6"
    & skf21("5","7","3","6","2","3","5","1") = "6"
    & skf21("5","7","3","6","2","3","6","1") = "6"
    & skf21("5","7","3","6","2","3","7","1") = "6"
    & skf21("5","7","3","6","2","4","1","1") = "6"
    & skf21("5","7","3","6","2","4","2","1") = "6"
    & skf21("5","7","3","6","2","4","3","1") = "6"
    & skf21("5","7","3","6","2","4","4","1") = "6"
    & skf21("5","7","3","6","2","4","5","1") = "6"
    & skf21("5","7","3","6","2","4","6","1") = "6"
    & skf21("5","7","3","6","2","4","7","1") = "6"
    & skf21("5","7","3","6","2","5","1","1") = "6"
    & skf21("5","7","3","6","2","5","2","1") = "6"
    & skf21("5","7","3","6","2","5","3","1") = "6"
    & skf21("5","7","3","6","2","5","4","1") = "6"
    & skf21("5","7","3","6","2","5","5","1") = "6"
    & skf21("5","7","3","6","2","5","6","1") = "6"
    & skf21("5","7","3","6","2","5","7","1") = "6"
    & skf21("5","7","3","6","2","6","1","1") = "6"
    & skf21("5","7","3","6","2","6","2","1") = "6"
    & skf21("5","7","3","6","2","6","3","1") = "6"
    & skf21("5","7","3","6","2","6","4","1") = "6"
    & skf21("5","7","3","6","2","6","5","1") = "6"
    & skf21("5","7","3","6","2","6","6","1") = "6"
    & skf21("5","7","3","6","2","6","7","1") = "6"
    & skf21("5","7","3","6","2","7","1","1") = "6"
    & skf21("5","7","3","6","2","7","2","1") = "6"
    & skf21("5","7","3","6","2","7","3","1") = "6"
    & skf21("5","7","3","6","2","7","4","1") = "6"
    & skf21("5","7","3","6","2","7","5","1") = "6"
    & skf21("5","7","3","6","2","7","6","1") = "6"
    & skf21("5","7","3","6","2","7","7","1") = "6"
    & skf21("5","7","3","6","3","1","1","1") = "6"
    & skf21("5","7","3","6","3","1","2","1") = "6"
    & skf21("5","7","3","6","3","1","3","1") = "6"
    & skf21("5","7","3","6","3","1","4","1") = "6"
    & skf21("5","7","3","6","3","1","5","1") = "6"
    & skf21("5","7","3","6","3","1","6","1") = "6"
    & skf21("5","7","3","6","3","1","7","1") = "6"
    & skf21("5","7","3","6","3","2","1","1") = "6"
    & skf21("5","7","3","6","3","2","2","1") = "6"
    & skf21("5","7","3","6","3","2","3","1") = "6"
    & skf21("5","7","3","6","3","2","4","1") = "6"
    & skf21("5","7","3","6","3","2","5","1") = "6"
    & skf21("5","7","3","6","3","2","6","1") = "6"
    & skf21("5","7","3","6","3","2","7","1") = "6"
    & skf21("5","7","3","6","3","3","1","1") = "6"
    & skf21("5","7","3","6","3","3","2","1") = "6"
    & skf21("5","7","3","6","3","3","3","1") = "6"
    & skf21("5","7","3","6","3","3","4","1") = "6"
    & skf21("5","7","3","6","3","3","5","1") = "6"
    & skf21("5","7","3","6","3","3","6","1") = "6"
    & skf21("5","7","3","6","3","3","7","1") = "6"
    & skf21("5","7","3","6","3","4","1","1") = "6"
    & skf21("5","7","3","6","3","4","2","1") = "6"
    & skf21("5","7","3","6","3","4","3","1") = "6"
    & skf21("5","7","3","6","3","4","4","1") = "6"
    & skf21("5","7","3","6","3","4","5","1") = "6"
    & skf21("5","7","3","6","3","4","6","1") = "6"
    & skf21("5","7","3","6","3","4","7","1") = "6"
    & skf21("5","7","3","6","3","5","1","1") = "6"
    & skf21("5","7","3","6","3","5","2","1") = "6"
    & skf21("5","7","3","6","3","5","3","1") = "6"
    & skf21("5","7","3","6","3","5","4","1") = "6"
    & skf21("5","7","3","6","3","5","5","1") = "6"
    & skf21("5","7","3","6","3","5","6","1") = "6"
    & skf21("5","7","3","6","3","5","7","1") = "6"
    & skf21("5","7","3","6","3","6","1","1") = "6"
    & skf21("5","7","3","6","3","6","2","1") = "6"
    & skf21("5","7","3","6","3","6","3","1") = "6"
    & skf21("5","7","3","6","3","6","4","1") = "6"
    & skf21("5","7","3","6","3","6","5","1") = "6"
    & skf21("5","7","3","6","3","6","6","1") = "6"
    & skf21("5","7","3","6","3","6","7","1") = "6"
    & skf21("5","7","3","6","3","7","1","1") = "6"
    & skf21("5","7","3","6","3","7","2","1") = "6"
    & skf21("5","7","3","6","3","7","3","1") = "6"
    & skf21("5","7","3","6","3","7","4","1") = "6"
    & skf21("5","7","3","6","3","7","5","1") = "6"
    & skf21("5","7","3","6","3","7","6","1") = "6"
    & skf21("5","7","3","6","3","7","7","1") = "6"
    & skf21("5","7","3","6","4","1","1","1") = "6"
    & skf21("5","7","3","6","4","1","2","1") = "6"
    & skf21("5","7","3","6","4","1","3","1") = "6"
    & skf21("5","7","3","6","4","1","4","1") = "6"
    & skf21("5","7","3","6","4","1","5","1") = "6"
    & skf21("5","7","3","6","4","1","6","1") = "6"
    & skf21("5","7","3","6","4","1","7","1") = "6"
    & skf21("5","7","3","6","4","2","1","1") = "6"
    & skf21("5","7","3","6","4","2","2","1") = "6"
    & skf21("5","7","3","6","4","2","3","1") = "6"
    & skf21("5","7","3","6","4","2","4","1") = "6"
    & skf21("5","7","3","6","4","2","5","1") = "6"
    & skf21("5","7","3","6","4","2","6","1") = "6"
    & skf21("5","7","3","6","4","2","7","1") = "6"
    & skf21("5","7","3","6","4","3","1","1") = "6"
    & skf21("5","7","3","6","4","3","2","1") = "6"
    & skf21("5","7","3","6","4","3","3","1") = "6"
    & skf21("5","7","3","6","4","3","4","1") = "6"
    & skf21("5","7","3","6","4","3","5","1") = "6"
    & skf21("5","7","3","6","4","3","6","1") = "6"
    & skf21("5","7","3","6","4","3","7","1") = "6"
    & skf21("5","7","3","6","4","4","1","1") = "6"
    & skf21("5","7","3","6","4","4","2","1") = "6"
    & skf21("5","7","3","6","4","4","3","1") = "6"
    & skf21("5","7","3","6","4","4","4","1") = "6"
    & skf21("5","7","3","6","4","4","5","1") = "6"
    & skf21("5","7","3","6","4","4","6","1") = "6"
    & skf21("5","7","3","6","4","4","7","1") = "6"
    & skf21("5","7","3","6","4","5","1","1") = "6"
    & skf21("5","7","3","6","4","5","2","1") = "6"
    & skf21("5","7","3","6","4","5","3","1") = "6"
    & skf21("5","7","3","6","4","5","4","1") = "6"
    & skf21("5","7","3","6","4","5","5","1") = "6"
    & skf21("5","7","3","6","4","5","6","1") = "6"
    & skf21("5","7","3","6","4","5","7","1") = "6"
    & skf21("5","7","3","6","4","6","1","1") = "6"
    & skf21("5","7","3","6","4","6","2","1") = "6"
    & skf21("5","7","3","6","4","6","3","1") = "6"
    & skf21("5","7","3","6","4","6","4","1") = "6"
    & skf21("5","7","3","6","4","6","5","1") = "6"
    & skf21("5","7","3","6","4","6","6","1") = "6"
    & skf21("5","7","3","6","4","6","7","1") = "6"
    & skf21("5","7","3","6","4","7","1","1") = "6"
    & skf21("5","7","3","6","4","7","2","1") = "6"
    & skf21("5","7","3","6","4","7","3","1") = "6"
    & skf21("5","7","3","6","4","7","4","1") = "6"
    & skf21("5","7","3","6","4","7","5","1") = "6"
    & skf21("5","7","3","6","4","7","6","1") = "6"
    & skf21("5","7","3","6","4","7","7","1") = "6"
    & skf21("5","7","3","6","5","1","1","1") = "6"
    & skf21("5","7","3","6","5","1","2","1") = "6"
    & skf21("5","7","3","6","5","1","3","1") = "6"
    & skf21("5","7","3","6","5","1","4","1") = "6"
    & skf21("5","7","3","6","5","1","5","1") = "6"
    & skf21("5","7","3","6","5","1","6","1") = "6"
    & skf21("5","7","3","6","5","1","7","1") = "6"
    & skf21("5","7","3","6","5","2","1","1") = "6"
    & skf21("5","7","3","6","5","2","2","1") = "6"
    & skf21("5","7","3","6","5","2","3","1") = "6"
    & skf21("5","7","3","6","5","2","4","1") = "6"
    & skf21("5","7","3","6","5","2","5","1") = "6"
    & skf21("5","7","3","6","5","2","6","1") = "6"
    & skf21("5","7","3","6","5","2","7","1") = "6"
    & skf21("5","7","3","6","5","3","1","1") = "6"
    & skf21("5","7","3","6","5","3","2","1") = "6"
    & skf21("5","7","3","6","5","3","3","1") = "6"
    & skf21("5","7","3","6","5","3","4","1") = "6"
    & skf21("5","7","3","6","5","3","5","1") = "6"
    & skf21("5","7","3","6","5","3","6","1") = "6"
    & skf21("5","7","3","6","5","3","7","1") = "6"
    & skf21("5","7","3","6","5","4","1","1") = "6"
    & skf21("5","7","3","6","5","4","2","1") = "6"
    & skf21("5","7","3","6","5","4","3","1") = "6"
    & skf21("5","7","3","6","5","4","4","1") = "6"
    & skf21("5","7","3","6","5","4","5","1") = "6"
    & skf21("5","7","3","6","5","4","6","1") = "6"
    & skf21("5","7","3","6","5","4","7","1") = "6"
    & skf21("5","7","3","6","5","5","1","1") = "6"
    & skf21("5","7","3","6","5","5","2","1") = "6"
    & skf21("5","7","3","6","5","5","3","1") = "6"
    & skf21("5","7","3","6","5","5","4","1") = "6"
    & skf21("5","7","3","6","5","5","5","1") = "6"
    & skf21("5","7","3","6","5","5","6","1") = "6"
    & skf21("5","7","3","6","5","5","7","1") = "6"
    & skf21("5","7","3","6","5","6","1","1") = "6"
    & skf21("5","7","3","6","5","6","2","1") = "6"
    & skf21("5","7","3","6","5","6","3","1") = "6"
    & skf21("5","7","3","6","5","6","4","1") = "6"
    & skf21("5","7","3","6","5","6","5","1") = "6"
    & skf21("5","7","3","6","5","6","6","1") = "6"
    & skf21("5","7","3","6","5","6","7","1") = "6"
    & skf21("5","7","3","6","5","7","1","1") = "6"
    & skf21("5","7","3","6","5","7","2","1") = "6"
    & skf21("5","7","3","6","5","7","3","1") = "6"
    & skf21("5","7","3","6","5","7","4","1") = "6"
    & skf21("5","7","3","6","5","7","5","1") = "6"
    & skf21("5","7","3","6","5","7","6","1") = "6"
    & skf21("5","7","3","6","5","7","7","1") = "6"
    & skf21("5","7","3","6","6","1","1","1") = "6"
    & skf21("5","7","3","6","6","1","2","1") = "6"
    & skf21("5","7","3","6","6","1","3","1") = "6"
    & skf21("5","7","3","6","6","1","4","1") = "6"
    & skf21("5","7","3","6","6","1","5","1") = "6"
    & skf21("5","7","3","6","6","1","6","1") = "6"
    & skf21("5","7","3","6","6","1","7","1") = "6"
    & skf21("5","7","3","6","6","2","1","1") = "6"
    & skf21("5","7","3","6","6","2","2","1") = "6"
    & skf21("5","7","3","6","6","2","3","1") = "6"
    & skf21("5","7","3","6","6","2","4","1") = "6"
    & skf21("5","7","3","6","6","2","5","1") = "6"
    & skf21("5","7","3","6","6","2","6","1") = "6"
    & skf21("5","7","3","6","6","2","7","1") = "6"
    & skf21("5","7","3","6","6","3","1","1") = "6"
    & skf21("5","7","3","6","6","3","2","1") = "6"
    & skf21("5","7","3","6","6","3","3","1") = "6"
    & skf21("5","7","3","6","6","3","4","1") = "6"
    & skf21("5","7","3","6","6","3","5","1") = "6"
    & skf21("5","7","3","6","6","3","6","1") = "6"
    & skf21("5","7","3","6","6","3","7","1") = "6"
    & skf21("5","7","3","6","6","4","1","1") = "6"
    & skf21("5","7","3","6","6","4","2","1") = "6"
    & skf21("5","7","3","6","6","4","3","1") = "6"
    & skf21("5","7","3","6","6","4","4","1") = "6"
    & skf21("5","7","3","6","6","4","5","1") = "6"
    & skf21("5","7","3","6","6","4","6","1") = "6"
    & skf21("5","7","3","6","6","4","7","1") = "6"
    & skf21("5","7","3","6","6","5","1","1") = "6"
    & skf21("5","7","3","6","6","5","2","1") = "6"
    & skf21("5","7","3","6","6","5","3","1") = "6"
    & skf21("5","7","3","6","6","5","4","1") = "6"
    & skf21("5","7","3","6","6","5","5","1") = "6"
    & skf21("5","7","3","6","6","5","6","1") = "6"
    & skf21("5","7","3","6","6","5","7","1") = "6"
    & skf21("5","7","3","6","6","6","1","1") = "6"
    & skf21("5","7","3","6","6","6","2","1") = "6"
    & skf21("5","7","3","6","6","6","3","1") = "6"
    & skf21("5","7","3","6","6","6","4","1") = "6"
    & skf21("5","7","3","6","6","6","5","1") = "6"
    & skf21("5","7","3","6","6","6","6","1") = "6"
    & skf21("5","7","3","6","6","6","7","1") = "6"
    & skf21("5","7","3","6","6","7","1","1") = "6"
    & skf21("5","7","3","6","6","7","2","1") = "6"
    & skf21("5","7","3","6","6","7","3","1") = "6"
    & skf21("5","7","3","6","6","7","4","1") = "6"
    & skf21("5","7","3","6","6","7","5","1") = "6"
    & skf21("5","7","3","6","6","7","6","1") = "6"
    & skf21("5","7","3","6","6","7","7","1") = "6"
    & skf21("5","7","3","6","7","1","1","1") = "6"
    & skf21("5","7","3","6","7","1","2","1") = "6"
    & skf21("5","7","3","6","7","1","3","1") = "6"
    & skf21("5","7","3","6","7","1","4","1") = "6"
    & skf21("5","7","3","6","7","1","5","1") = "6"
    & skf21("5","7","3","6","7","1","6","1") = "6"
    & skf21("5","7","3","6","7","1","7","1") = "6"
    & skf21("5","7","3","6","7","2","1","1") = "6"
    & skf21("5","7","3","6","7","2","2","1") = "6"
    & skf21("5","7","3","6","7","2","3","1") = "6"
    & skf21("5","7","3","6","7","2","4","1") = "6"
    & skf21("5","7","3","6","7","2","5","1") = "6"
    & skf21("5","7","3","6","7","2","6","1") = "6"
    & skf21("5","7","3","6","7","2","7","1") = "6"
    & skf21("5","7","3","6","7","3","1","1") = "6"
    & skf21("5","7","3","6","7","3","2","1") = "6"
    & skf21("5","7","3","6","7","3","3","1") = "6"
    & skf21("5","7","3","6","7","3","4","1") = "6"
    & skf21("5","7","3","6","7","3","5","1") = "6"
    & skf21("5","7","3","6","7","3","6","1") = "6"
    & skf21("5","7","3","6","7","3","7","1") = "6"
    & skf21("5","7","3","6","7","4","1","1") = "6"
    & skf21("5","7","3","6","7","4","2","1") = "6"
    & skf21("5","7","3","6","7","4","3","1") = "6"
    & skf21("5","7","3","6","7","4","4","1") = "6"
    & skf21("5","7","3","6","7","4","5","1") = "6"
    & skf21("5","7","3","6","7","4","6","1") = "6"
    & skf21("5","7","3","6","7","4","7","1") = "6"
    & skf21("5","7","3","6","7","5","1","1") = "6"
    & skf21("5","7","3","6","7","5","2","1") = "6"
    & skf21("5","7","3","6","7","5","3","1") = "6"
    & skf21("5","7","3","6","7","5","4","1") = "6"
    & skf21("5","7","3","6","7","5","5","1") = "6"
    & skf21("5","7","3","6","7","5","6","1") = "6"
    & skf21("5","7","3","6","7","5","7","1") = "6"
    & skf21("5","7","3","6","7","6","1","1") = "6"
    & skf21("5","7","3","6","7","6","2","1") = "6"
    & skf21("5","7","3","6","7","6","3","1") = "6"
    & skf21("5","7","3","6","7","6","4","1") = "6"
    & skf21("5","7","3","6","7","6","5","1") = "6"
    & skf21("5","7","3","6","7","6","6","1") = "6"
    & skf21("5","7","3","6","7","6","7","1") = "6"
    & skf21("5","7","3","6","7","7","1","1") = "6"
    & skf21("5","7","3","6","7","7","2","1") = "6"
    & skf21("5","7","3","6","7","7","3","1") = "6"
    & skf21("5","7","3","6","7","7","4","1") = "6"
    & skf21("5","7","3","6","7","7","5","1") = "6"
    & skf21("5","7","3","6","7","7","6","1") = "6"
    & skf21("5","7","3","6","7","7","7","1") = "6"
    & skf21("5","7","3","7","1","1","1","1") = "6"
    & skf21("5","7","3","7","1","1","2","1") = "6"
    & skf21("5","7","3","7","1","1","3","1") = "6"
    & skf21("5","7","3","7","1","1","4","1") = "6"
    & skf21("5","7","3","7","1","1","5","1") = "6"
    & skf21("5","7","3","7","1","1","6","1") = "6"
    & skf21("5","7","3","7","1","1","7","1") = "6"
    & skf21("5","7","3","7","1","2","1","1") = "6"
    & skf21("5","7","3","7","1","2","2","1") = "6"
    & skf21("5","7","3","7","1","2","3","1") = "6"
    & skf21("5","7","3","7","1","2","4","1") = "6"
    & skf21("5","7","3","7","1","2","5","1") = "6"
    & skf21("5","7","3","7","1","2","6","1") = "6"
    & skf21("5","7","3","7","1","2","7","1") = "6"
    & skf21("5","7","3","7","1","3","1","1") = "6"
    & skf21("5","7","3","7","1","3","2","1") = "6"
    & skf21("5","7","3","7","1","3","3","1") = "6"
    & skf21("5","7","3","7","1","3","4","1") = "6"
    & skf21("5","7","3","7","1","3","5","1") = "6"
    & skf21("5","7","3","7","1","3","6","1") = "6"
    & skf21("5","7","3","7","1","3","7","1") = "6"
    & skf21("5","7","3","7","1","4","1","1") = "6"
    & skf21("5","7","3","7","1","4","2","1") = "6"
    & skf21("5","7","3","7","1","4","3","1") = "6"
    & skf21("5","7","3","7","1","4","4","1") = "6"
    & skf21("5","7","3","7","1","4","5","1") = "6"
    & skf21("5","7","3","7","1","4","6","1") = "6"
    & skf21("5","7","3","7","1","4","7","1") = "6"
    & skf21("5","7","3","7","1","5","1","1") = "6"
    & skf21("5","7","3","7","1","5","2","1") = "6"
    & skf21("5","7","3","7","1","5","3","1") = "6"
    & skf21("5","7","3","7","1","5","4","1") = "6"
    & skf21("5","7","3","7","1","5","5","1") = "6"
    & skf21("5","7","3","7","1","5","6","1") = "6"
    & skf21("5","7","3","7","1","5","7","1") = "6"
    & skf21("5","7","3","7","1","6","1","1") = "6"
    & skf21("5","7","3","7","1","6","2","1") = "6"
    & skf21("5","7","3","7","1","6","3","1") = "6"
    & skf21("5","7","3","7","1","6","4","1") = "6"
    & skf21("5","7","3","7","1","6","5","1") = "6"
    & skf21("5","7","3","7","1","6","6","1") = "6"
    & skf21("5","7","3","7","1","6","7","1") = "6"
    & skf21("5","7","3","7","1","7","1","1") = "6"
    & skf21("5","7","3","7","1","7","2","1") = "6"
    & skf21("5","7","3","7","1","7","3","1") = "6"
    & skf21("5","7","3","7","1","7","4","1") = "6"
    & skf21("5","7","3","7","1","7","5","1") = "6"
    & skf21("5","7","3","7","1","7","6","1") = "6"
    & skf21("5","7","3","7","1","7","7","1") = "6"
    & skf21("5","7","3","7","2","1","1","1") = "6"
    & skf21("5","7","3","7","2","1","2","1") = "6"
    & skf21("5","7","3","7","2","1","3","1") = "6"
    & skf21("5","7","3","7","2","1","4","1") = "6"
    & skf21("5","7","3","7","2","1","5","1") = "6"
    & skf21("5","7","3","7","2","1","6","1") = "6"
    & skf21("5","7","3","7","2","1","7","1") = "6"
    & skf21("5","7","3","7","2","2","1","1") = "6"
    & skf21("5","7","3","7","2","2","2","1") = "6"
    & skf21("5","7","3","7","2","2","3","1") = "6"
    & skf21("5","7","3","7","2","2","4","1") = "6"
    & skf21("5","7","3","7","2","2","5","1") = "6"
    & skf21("5","7","3","7","2","2","6","1") = "6"
    & skf21("5","7","3","7","2","2","7","1") = "6"
    & skf21("5","7","3","7","2","3","1","1") = "6"
    & skf21("5","7","3","7","2","3","2","1") = "6"
    & skf21("5","7","3","7","2","3","3","1") = "6"
    & skf21("5","7","3","7","2","3","4","1") = "6"
    & skf21("5","7","3","7","2","3","5","1") = "6"
    & skf21("5","7","3","7","2","3","6","1") = "6"
    & skf21("5","7","3","7","2","3","7","1") = "6"
    & skf21("5","7","3","7","2","4","1","1") = "6"
    & skf21("5","7","3","7","2","4","2","1") = "6"
    & skf21("5","7","3","7","2","4","3","1") = "6"
    & skf21("5","7","3","7","2","4","4","1") = "6"
    & skf21("5","7","3","7","2","4","5","1") = "6"
    & skf21("5","7","3","7","2","4","6","1") = "6"
    & skf21("5","7","3","7","2","4","7","1") = "6"
    & skf21("5","7","3","7","2","5","1","1") = "6"
    & skf21("5","7","3","7","2","5","2","1") = "6"
    & skf21("5","7","3","7","2","5","3","1") = "6"
    & skf21("5","7","3","7","2","5","4","1") = "6"
    & skf21("5","7","3","7","2","5","5","1") = "6"
    & skf21("5","7","3","7","2","5","6","1") = "6"
    & skf21("5","7","3","7","2","5","7","1") = "6"
    & skf21("5","7","3","7","2","6","1","1") = "6"
    & skf21("5","7","3","7","2","6","2","1") = "6"
    & skf21("5","7","3","7","2","6","3","1") = "6"
    & skf21("5","7","3","7","2","6","4","1") = "6"
    & skf21("5","7","3","7","2","6","5","1") = "6"
    & skf21("5","7","3","7","2","6","6","1") = "6"
    & skf21("5","7","3","7","2","6","7","1") = "6"
    & skf21("5","7","3","7","2","7","1","1") = "6"
    & skf21("5","7","3","7","2","7","2","1") = "6"
    & skf21("5","7","3","7","2","7","3","1") = "6"
    & skf21("5","7","3","7","2","7","4","1") = "6"
    & skf21("5","7","3","7","2","7","5","1") = "6"
    & skf21("5","7","3","7","2","7","6","1") = "6"
    & skf21("5","7","3","7","2","7","7","1") = "6"
    & skf21("5","7","3","7","3","1","1","1") = "6"
    & skf21("5","7","3","7","3","1","2","1") = "6"
    & skf21("5","7","3","7","3","1","3","1") = "6"
    & skf21("5","7","3","7","3","1","4","1") = "6"
    & skf21("5","7","3","7","3","1","5","1") = "6"
    & skf21("5","7","3","7","3","1","6","1") = "6"
    & skf21("5","7","3","7","3","1","7","1") = "6"
    & skf21("5","7","3","7","3","2","1","1") = "6"
    & skf21("5","7","3","7","3","2","2","1") = "6"
    & skf21("5","7","3","7","3","2","3","1") = "6"
    & skf21("5","7","3","7","3","2","4","1") = "6"
    & skf21("5","7","3","7","3","2","5","1") = "6"
    & skf21("5","7","3","7","3","2","6","1") = "6"
    & skf21("5","7","3","7","3","2","7","1") = "6"
    & skf21("5","7","3","7","3","3","1","1") = "6"
    & skf21("5","7","3","7","3","3","2","1") = "6"
    & skf21("5","7","3","7","3","3","3","1") = "6"
    & skf21("5","7","3","7","3","3","4","1") = "6"
    & skf21("5","7","3","7","3","3","5","1") = "6"
    & skf21("5","7","3","7","3","3","6","1") = "6"
    & skf21("5","7","3","7","3","3","7","1") = "6"
    & skf21("5","7","3","7","3","4","1","1") = "6"
    & skf21("5","7","3","7","3","4","2","1") = "6"
    & skf21("5","7","3","7","3","4","3","1") = "6"
    & skf21("5","7","3","7","3","4","4","1") = "6"
    & skf21("5","7","3","7","3","4","5","1") = "6"
    & skf21("5","7","3","7","3","4","6","1") = "6"
    & skf21("5","7","3","7","3","4","7","1") = "6"
    & skf21("5","7","3","7","3","5","1","1") = "6"
    & skf21("5","7","3","7","3","5","2","1") = "6"
    & skf21("5","7","3","7","3","5","3","1") = "6"
    & skf21("5","7","3","7","3","5","4","1") = "6"
    & skf21("5","7","3","7","3","5","5","1") = "6"
    & skf21("5","7","3","7","3","5","6","1") = "6"
    & skf21("5","7","3","7","3","5","7","1") = "6"
    & skf21("5","7","3","7","3","6","1","1") = "6"
    & skf21("5","7","3","7","3","6","2","1") = "6"
    & skf21("5","7","3","7","3","6","3","1") = "6"
    & skf21("5","7","3","7","3","6","4","1") = "6"
    & skf21("5","7","3","7","3","6","5","1") = "6"
    & skf21("5","7","3","7","3","6","6","1") = "6"
    & skf21("5","7","3","7","3","6","7","1") = "6"
    & skf21("5","7","3","7","3","7","1","1") = "6"
    & skf21("5","7","3","7","3","7","2","1") = "6"
    & skf21("5","7","3","7","3","7","3","1") = "6"
    & skf21("5","7","3","7","3","7","4","1") = "6"
    & skf21("5","7","3","7","3","7","5","1") = "6"
    & skf21("5","7","3","7","3","7","6","1") = "6"
    & skf21("5","7","3","7","3","7","7","1") = "6"
    & skf21("5","7","3","7","4","1","1","1") = "6"
    & skf21("5","7","3","7","4","1","2","1") = "6"
    & skf21("5","7","3","7","4","1","3","1") = "6"
    & skf21("5","7","3","7","4","1","4","1") = "6"
    & skf21("5","7","3","7","4","1","5","1") = "6"
    & skf21("5","7","3","7","4","1","6","1") = "6"
    & skf21("5","7","3","7","4","1","7","1") = "6"
    & skf21("5","7","3","7","4","2","1","1") = "6"
    & skf21("5","7","3","7","4","2","2","1") = "6"
    & skf21("5","7","3","7","4","2","3","1") = "6"
    & skf21("5","7","3","7","4","2","4","1") = "6"
    & skf21("5","7","3","7","4","2","5","1") = "6"
    & skf21("5","7","3","7","4","2","6","1") = "6"
    & skf21("5","7","3","7","4","2","7","1") = "6"
    & skf21("5","7","3","7","4","3","1","1") = "6"
    & skf21("5","7","3","7","4","3","2","1") = "6"
    & skf21("5","7","3","7","4","3","3","1") = "6"
    & skf21("5","7","3","7","4","3","4","1") = "6"
    & skf21("5","7","3","7","4","3","5","1") = "6"
    & skf21("5","7","3","7","4","3","6","1") = "6"
    & skf21("5","7","3","7","4","3","7","1") = "6"
    & skf21("5","7","3","7","4","4","1","1") = "6"
    & skf21("5","7","3","7","4","4","2","1") = "6"
    & skf21("5","7","3","7","4","4","3","1") = "6"
    & skf21("5","7","3","7","4","4","4","1") = "6"
    & skf21("5","7","3","7","4","4","5","1") = "6"
    & skf21("5","7","3","7","4","4","6","1") = "6"
    & skf21("5","7","3","7","4","4","7","1") = "6"
    & skf21("5","7","3","7","4","5","1","1") = "6"
    & skf21("5","7","3","7","4","5","2","1") = "6"
    & skf21("5","7","3","7","4","5","3","1") = "6"
    & skf21("5","7","3","7","4","5","4","1") = "6"
    & skf21("5","7","3","7","4","5","5","1") = "6"
    & skf21("5","7","3","7","4","5","6","1") = "6"
    & skf21("5","7","3","7","4","5","7","1") = "6"
    & skf21("5","7","3","7","4","6","1","1") = "6"
    & skf21("5","7","3","7","4","6","2","1") = "6"
    & skf21("5","7","3","7","4","6","3","1") = "6"
    & skf21("5","7","3","7","4","6","4","1") = "6"
    & skf21("5","7","3","7","4","6","5","1") = "6"
    & skf21("5","7","3","7","4","6","6","1") = "6"
    & skf21("5","7","3","7","4","6","7","1") = "6"
    & skf21("5","7","3","7","4","7","1","1") = "6"
    & skf21("5","7","3","7","4","7","2","1") = "6"
    & skf21("5","7","3","7","4","7","3","1") = "6"
    & skf21("5","7","3","7","4","7","4","1") = "6"
    & skf21("5","7","3","7","4","7","5","1") = "6"
    & skf21("5","7","3","7","4","7","6","1") = "6"
    & skf21("5","7","3","7","4","7","7","1") = "6"
    & skf21("5","7","3","7","5","1","1","1") = "6"
    & skf21("5","7","3","7","5","1","2","1") = "6"
    & skf21("5","7","3","7","5","1","3","1") = "6"
    & skf21("5","7","3","7","5","1","4","1") = "6"
    & skf21("5","7","3","7","5","1","5","1") = "6"
    & skf21("5","7","3","7","5","1","6","1") = "6"
    & skf21("5","7","3","7","5","1","7","1") = "6"
    & skf21("5","7","3","7","5","2","1","1") = "6"
    & skf21("5","7","3","7","5","2","2","1") = "6"
    & skf21("5","7","3","7","5","2","3","1") = "6"
    & skf21("5","7","3","7","5","2","4","1") = "6"
    & skf21("5","7","3","7","5","2","5","1") = "6"
    & skf21("5","7","3","7","5","2","6","1") = "6"
    & skf21("5","7","3","7","5","2","7","1") = "6"
    & skf21("5","7","3","7","5","3","1","1") = "6"
    & skf21("5","7","3","7","5","3","2","1") = "6"
    & skf21("5","7","3","7","5","3","3","1") = "6"
    & skf21("5","7","3","7","5","3","4","1") = "6"
    & skf21("5","7","3","7","5","3","5","1") = "6"
    & skf21("5","7","3","7","5","3","6","1") = "6"
    & skf21("5","7","3","7","5","3","7","1") = "6"
    & skf21("5","7","3","7","5","4","1","1") = "6"
    & skf21("5","7","3","7","5","4","2","1") = "6"
    & skf21("5","7","3","7","5","4","3","1") = "6"
    & skf21("5","7","3","7","5","4","4","1") = "6"
    & skf21("5","7","3","7","5","4","5","1") = "6"
    & skf21("5","7","3","7","5","4","6","1") = "6"
    & skf21("5","7","3","7","5","4","7","1") = "6"
    & skf21("5","7","3","7","5","5","1","1") = "6"
    & skf21("5","7","3","7","5","5","2","1") = "6"
    & skf21("5","7","3","7","5","5","3","1") = "6"
    & skf21("5","7","3","7","5","5","4","1") = "6"
    & skf21("5","7","3","7","5","5","5","1") = "6"
    & skf21("5","7","3","7","5","5","6","1") = "6"
    & skf21("5","7","3","7","5","5","7","1") = "6"
    & skf21("5","7","3","7","5","6","1","1") = "6"
    & skf21("5","7","3","7","5","6","2","1") = "6"
    & skf21("5","7","3","7","5","6","3","1") = "6"
    & skf21("5","7","3","7","5","6","4","1") = "6"
    & skf21("5","7","3","7","5","6","5","1") = "6"
    & skf21("5","7","3","7","5","6","6","1") = "6"
    & skf21("5","7","3","7","5","6","7","1") = "6"
    & skf21("5","7","3","7","5","7","1","1") = "6"
    & skf21("5","7","3","7","5","7","2","1") = "6"
    & skf21("5","7","3","7","5","7","3","1") = "6"
    & skf21("5","7","3","7","5","7","4","1") = "6"
    & skf21("5","7","3","7","5","7","5","1") = "6"
    & skf21("5","7","3","7","5","7","6","1") = "6"
    & skf21("5","7","3","7","5","7","7","1") = "6"
    & skf21("5","7","3","7","6","1","1","1") = "6"
    & skf21("5","7","3","7","6","1","2","1") = "6"
    & skf21("5","7","3","7","6","1","3","1") = "6"
    & skf21("5","7","3","7","6","1","4","1") = "6"
    & skf21("5","7","3","7","6","1","5","1") = "6"
    & skf21("5","7","3","7","6","1","6","1") = "6"
    & skf21("5","7","3","7","6","1","7","1") = "6"
    & skf21("5","7","3","7","6","2","1","1") = "6"
    & skf21("5","7","3","7","6","2","2","1") = "6"
    & skf21("5","7","3","7","6","2","3","1") = "6"
    & skf21("5","7","3","7","6","2","4","1") = "6"
    & skf21("5","7","3","7","6","2","5","1") = "6"
    & skf21("5","7","3","7","6","2","6","1") = "6"
    & skf21("5","7","3","7","6","2","7","1") = "6"
    & skf21("5","7","3","7","6","3","1","1") = "6"
    & skf21("5","7","3","7","6","3","2","1") = "6"
    & skf21("5","7","3","7","6","3","3","1") = "6"
    & skf21("5","7","3","7","6","3","4","1") = "6"
    & skf21("5","7","3","7","6","3","5","1") = "6"
    & skf21("5","7","3","7","6","3","6","1") = "6"
    & skf21("5","7","3","7","6","3","7","1") = "6"
    & skf21("5","7","3","7","6","4","1","1") = "6"
    & skf21("5","7","3","7","6","4","2","1") = "6"
    & skf21("5","7","3","7","6","4","3","1") = "6"
    & skf21("5","7","3","7","6","4","4","1") = "6"
    & skf21("5","7","3","7","6","4","5","1") = "6"
    & skf21("5","7","3","7","6","4","6","1") = "6"
    & skf21("5","7","3","7","6","4","7","1") = "6"
    & skf21("5","7","3","7","6","5","1","1") = "6"
    & skf21("5","7","3","7","6","5","2","1") = "6"
    & skf21("5","7","3","7","6","5","3","1") = "6"
    & skf21("5","7","3","7","6","5","4","1") = "6"
    & skf21("5","7","3","7","6","5","5","1") = "6"
    & skf21("5","7","3","7","6","5","6","1") = "6"
    & skf21("5","7","3","7","6","5","7","1") = "6"
    & skf21("5","7","3","7","6","6","1","1") = "6"
    & skf21("5","7","3","7","6","6","2","1") = "6"
    & skf21("5","7","3","7","6","6","3","1") = "6"
    & skf21("5","7","3","7","6","6","4","1") = "6"
    & skf21("5","7","3","7","6","6","5","1") = "6"
    & skf21("5","7","3","7","6","6","6","1") = "6"
    & skf21("5","7","3","7","6","6","7","1") = "6"
    & skf21("5","7","3","7","6","7","1","1") = "6"
    & skf21("5","7","3","7","6","7","2","1") = "6"
    & skf21("5","7","3","7","6","7","3","1") = "6"
    & skf21("5","7","3","7","6","7","4","1") = "6"
    & skf21("5","7","3","7","6","7","5","1") = "6"
    & skf21("5","7","3","7","6","7","6","1") = "6"
    & skf21("5","7","3","7","6","7","7","1") = "6"
    & skf21("5","7","3","7","7","1","1","1") = "6"
    & skf21("5","7","3","7","7","1","2","1") = "6"
    & skf21("5","7","3","7","7","1","3","1") = "6"
    & skf21("5","7","3","7","7","1","4","1") = "6"
    & skf21("5","7","3","7","7","1","5","1") = "6"
    & skf21("5","7","3","7","7","1","6","1") = "6"
    & skf21("5","7","3","7","7","1","7","1") = "6"
    & skf21("5","7","3","7","7","2","1","1") = "6"
    & skf21("5","7","3","7","7","2","2","1") = "6"
    & skf21("5","7","3","7","7","2","3","1") = "6"
    & skf21("5","7","3","7","7","2","4","1") = "6"
    & skf21("5","7","3","7","7","2","5","1") = "6"
    & skf21("5","7","3","7","7","2","6","1") = "6"
    & skf21("5","7","3","7","7","2","7","1") = "6"
    & skf21("5","7","3","7","7","3","1","1") = "6"
    & skf21("5","7","3","7","7","3","2","1") = "6"
    & skf21("5","7","3","7","7","3","3","1") = "6"
    & skf21("5","7","3","7","7","3","4","1") = "6"
    & skf21("5","7","3","7","7","3","5","1") = "6"
    & skf21("5","7","3","7","7","3","6","1") = "6"
    & skf21("5","7","3","7","7","3","7","1") = "6"
    & skf21("5","7","3","7","7","4","1","1") = "6"
    & skf21("5","7","3","7","7","4","2","1") = "6"
    & skf21("5","7","3","7","7","4","3","1") = "6"
    & skf21("5","7","3","7","7","4","4","1") = "6"
    & skf21("5","7","3","7","7","4","5","1") = "6"
    & skf21("5","7","3","7","7","4","6","1") = "6"
    & skf21("5","7","3","7","7","4","7","1") = "6"
    & skf21("5","7","3","7","7","5","1","1") = "6"
    & skf21("5","7","3","7","7","5","2","1") = "6"
    & skf21("5","7","3","7","7","5","3","1") = "6"
    & skf21("5","7","3","7","7","5","4","1") = "6"
    & skf21("5","7","3","7","7","5","5","1") = "6"
    & skf21("5","7","3","7","7","5","6","1") = "6"
    & skf21("5","7","3","7","7","5","7","1") = "6"
    & skf21("5","7","3","7","7","6","1","1") = "6"
    & skf21("5","7","3","7","7","6","2","1") = "6"
    & skf21("5","7","3","7","7","6","3","1") = "6"
    & skf21("5","7","3","7","7","6","4","1") = "6"
    & skf21("5","7","3","7","7","6","5","1") = "6"
    & skf21("5","7","3","7","7","6","6","1") = "6"
    & skf21("5","7","3","7","7","6","7","1") = "6"
    & skf21("5","7","3","7","7","7","1","1") = "6"
    & skf21("5","7","3","7","7","7","2","1") = "6"
    & skf21("5","7","3","7","7","7","3","1") = "6"
    & skf21("5","7","3","7","7","7","4","1") = "6"
    & skf21("5","7","3","7","7","7","5","1") = "6"
    & skf21("5","7","3","7","7","7","6","1") = "6"
    & skf21("5","7","3","7","7","7","7","1") = "6"
    & skf21("5","7","4","1","1","1","1","1") = "6"
    & skf21("5","7","4","1","1","1","2","1") = "6"
    & skf21("5","7","4","1","1","1","3","1") = "6"
    & skf21("5","7","4","1","1","1","4","1") = "6"
    & skf21("5","7","4","1","1","1","5","1") = "6"
    & skf21("5","7","4","1","1","1","6","1") = "6"
    & skf21("5","7","4","1","1","1","7","1") = "6"
    & skf21("5","7","4","1","1","2","1","1") = "6"
    & skf21("5","7","4","1","1","2","2","1") = "6"
    & skf21("5","7","4","1","1","2","3","1") = "6"
    & skf21("5","7","4","1","1","2","4","1") = "6"
    & skf21("5","7","4","1","1","2","5","1") = "6"
    & skf21("5","7","4","1","1","2","6","1") = "6"
    & skf21("5","7","4","1","1","2","7","1") = "6"
    & skf21("5","7","4","1","1","3","1","1") = "6"
    & skf21("5","7","4","1","1","3","2","1") = "6"
    & skf21("5","7","4","1","1","3","3","1") = "6"
    & skf21("5","7","4","1","1","3","4","1") = "6"
    & skf21("5","7","4","1","1","3","5","1") = "6"
    & skf21("5","7","4","1","1","3","6","1") = "6"
    & skf21("5","7","4","1","1","3","7","1") = "6"
    & skf21("5","7","4","1","1","4","1","1") = "6"
    & skf21("5","7","4","1","1","4","2","1") = "6"
    & skf21("5","7","4","1","1","4","3","1") = "6"
    & skf21("5","7","4","1","1","4","4","1") = "6"
    & skf21("5","7","4","1","1","4","5","1") = "6"
    & skf21("5","7","4","1","1","4","6","1") = "6"
    & skf21("5","7","4","1","1","4","7","1") = "6"
    & skf21("5","7","4","1","1","5","1","1") = "6"
    & skf21("5","7","4","1","1","5","2","1") = "6"
    & skf21("5","7","4","1","1","5","3","1") = "6"
    & skf21("5","7","4","1","1","5","4","1") = "6"
    & skf21("5","7","4","1","1","5","5","1") = "6"
    & skf21("5","7","4","1","1","5","6","1") = "6"
    & skf21("5","7","4","1","1","5","7","1") = "6"
    & skf21("5","7","4","1","1","6","1","1") = "6"
    & skf21("5","7","4","1","1","6","2","1") = "6"
    & skf21("5","7","4","1","1","6","3","1") = "6"
    & skf21("5","7","4","1","1","6","4","1") = "6"
    & skf21("5","7","4","1","1","6","5","1") = "6"
    & skf21("5","7","4","1","1","6","6","1") = "6"
    & skf21("5","7","4","1","1","6","7","1") = "6"
    & skf21("5","7","4","1","1","7","1","1") = "6"
    & skf21("5","7","4","1","1","7","2","1") = "6"
    & skf21("5","7","4","1","1","7","3","1") = "6"
    & skf21("5","7","4","1","1","7","4","1") = "6"
    & skf21("5","7","4","1","1","7","5","1") = "6"
    & skf21("5","7","4","1","1","7","6","1") = "6"
    & skf21("5","7","4","1","1","7","7","1") = "6"
    & skf21("5","7","4","1","2","1","1","1") = "6"
    & skf21("5","7","4","1","2","1","2","1") = "6"
    & skf21("5","7","4","1","2","1","3","1") = "6"
    & skf21("5","7","4","1","2","1","4","1") = "6"
    & skf21("5","7","4","1","2","1","5","1") = "6"
    & skf21("5","7","4","1","2","1","6","1") = "6"
    & skf21("5","7","4","1","2","1","7","1") = "6"
    & skf21("5","7","4","1","2","2","1","1") = "6"
    & skf21("5","7","4","1","2","2","2","1") = "6"
    & skf21("5","7","4","1","2","2","3","1") = "6"
    & skf21("5","7","4","1","2","2","4","1") = "6"
    & skf21("5","7","4","1","2","2","5","1") = "6"
    & skf21("5","7","4","1","2","2","6","1") = "6"
    & skf21("5","7","4","1","2","2","7","1") = "6"
    & skf21("5","7","4","1","2","3","1","1") = "6"
    & skf21("5","7","4","1","2","3","2","1") = "6"
    & skf21("5","7","4","1","2","3","3","1") = "6"
    & skf21("5","7","4","1","2","3","4","1") = "6"
    & skf21("5","7","4","1","2","3","5","1") = "6"
    & skf21("5","7","4","1","2","3","6","1") = "6"
    & skf21("5","7","4","1","2","3","7","1") = "6"
    & skf21("5","7","4","1","2","4","1","1") = "6"
    & skf21("5","7","4","1","2","4","2","1") = "6"
    & skf21("5","7","4","1","2","4","3","1") = "6"
    & skf21("5","7","4","1","2","4","4","1") = "6"
    & skf21("5","7","4","1","2","4","5","1") = "6"
    & skf21("5","7","4","1","2","4","6","1") = "6"
    & skf21("5","7","4","1","2","4","7","1") = "6"
    & skf21("5","7","4","1","2","5","1","1") = "6"
    & skf21("5","7","4","1","2","5","2","1") = "6"
    & skf21("5","7","4","1","2","5","3","1") = "6"
    & skf21("5","7","4","1","2","5","4","1") = "6"
    & skf21("5","7","4","1","2","5","5","1") = "6"
    & skf21("5","7","4","1","2","5","6","1") = "6"
    & skf21("5","7","4","1","2","5","7","1") = "6"
    & skf21("5","7","4","1","2","6","1","1") = "6"
    & skf21("5","7","4","1","2","6","2","1") = "6"
    & skf21("5","7","4","1","2","6","3","1") = "6"
    & skf21("5","7","4","1","2","6","4","1") = "6"
    & skf21("5","7","4","1","2","6","5","1") = "6"
    & skf21("5","7","4","1","2","6","6","1") = "6"
    & skf21("5","7","4","1","2","6","7","1") = "6"
    & skf21("5","7","4","1","2","7","1","1") = "6"
    & skf21("5","7","4","1","2","7","2","1") = "6"
    & skf21("5","7","4","1","2","7","3","1") = "6"
    & skf21("5","7","4","1","2","7","4","1") = "6"
    & skf21("5","7","4","1","2","7","5","1") = "6"
    & skf21("5","7","4","1","2","7","6","1") = "6"
    & skf21("5","7","4","1","2","7","7","1") = "6"
    & skf21("5","7","4","1","3","1","1","1") = "6"
    & skf21("5","7","4","1","3","1","2","1") = "6"
    & skf21("5","7","4","1","3","1","3","1") = "6"
    & skf21("5","7","4","1","3","1","4","1") = "6"
    & skf21("5","7","4","1","3","1","5","1") = "6"
    & skf21("5","7","4","1","3","1","6","1") = "6"
    & skf21("5","7","4","1","3","1","7","1") = "6"
    & skf21("5","7","4","1","3","2","1","1") = "6"
    & skf21("5","7","4","1","3","2","2","1") = "6"
    & skf21("5","7","4","1","3","2","3","1") = "6"
    & skf21("5","7","4","1","3","2","4","1") = "6"
    & skf21("5","7","4","1","3","2","5","1") = "6"
    & skf21("5","7","4","1","3","2","6","1") = "6"
    & skf21("5","7","4","1","3","2","7","1") = "6"
    & skf21("5","7","4","1","3","3","1","1") = "6"
    & skf21("5","7","4","1","3","3","2","1") = "6"
    & skf21("5","7","4","1","3","3","3","1") = "6"
    & skf21("5","7","4","1","3","3","4","1") = "6"
    & skf21("5","7","4","1","3","3","5","1") = "6"
    & skf21("5","7","4","1","3","3","6","1") = "6"
    & skf21("5","7","4","1","3","3","7","1") = "6"
    & skf21("5","7","4","1","3","4","1","1") = "6"
    & skf21("5","7","4","1","3","4","2","1") = "6"
    & skf21("5","7","4","1","3","4","3","1") = "6"
    & skf21("5","7","4","1","3","4","4","1") = "6"
    & skf21("5","7","4","1","3","4","5","1") = "6"
    & skf21("5","7","4","1","3","4","6","1") = "6"
    & skf21("5","7","4","1","3","4","7","1") = "6"
    & skf21("5","7","4","1","3","5","1","1") = "6"
    & skf21("5","7","4","1","3","5","2","1") = "6"
    & skf21("5","7","4","1","3","5","3","1") = "6"
    & skf21("5","7","4","1","3","5","4","1") = "6"
    & skf21("5","7","4","1","3","5","5","1") = "6"
    & skf21("5","7","4","1","3","5","6","1") = "6"
    & skf21("5","7","4","1","3","5","7","1") = "6"
    & skf21("5","7","4","1","3","6","1","1") = "6"
    & skf21("5","7","4","1","3","6","2","1") = "6"
    & skf21("5","7","4","1","3","6","3","1") = "6"
    & skf21("5","7","4","1","3","6","4","1") = "6"
    & skf21("5","7","4","1","3","6","5","1") = "6"
    & skf21("5","7","4","1","3","6","6","1") = "6"
    & skf21("5","7","4","1","3","6","7","1") = "6"
    & skf21("5","7","4","1","3","7","1","1") = "6"
    & skf21("5","7","4","1","3","7","2","1") = "6"
    & skf21("5","7","4","1","3","7","3","1") = "6"
    & skf21("5","7","4","1","3","7","4","1") = "6"
    & skf21("5","7","4","1","3","7","5","1") = "6"
    & skf21("5","7","4","1","3","7","6","1") = "6"
    & skf21("5","7","4","1","3","7","7","1") = "6"
    & skf21("5","7","4","1","4","1","1","1") = "6"
    & skf21("5","7","4","1","4","1","2","1") = "6"
    & skf21("5","7","4","1","4","1","3","1") = "6"
    & skf21("5","7","4","1","4","1","4","1") = "6"
    & skf21("5","7","4","1","4","1","5","1") = "6"
    & skf21("5","7","4","1","4","1","6","1") = "6"
    & skf21("5","7","4","1","4","1","7","1") = "6"
    & skf21("5","7","4","1","4","2","1","1") = "6"
    & skf21("5","7","4","1","4","2","2","1") = "6"
    & skf21("5","7","4","1","4","2","3","1") = "6"
    & skf21("5","7","4","1","4","2","4","1") = "6"
    & skf21("5","7","4","1","4","2","5","1") = "6"
    & skf21("5","7","4","1","4","2","6","1") = "6"
    & skf21("5","7","4","1","4","2","7","1") = "6"
    & skf21("5","7","4","1","4","3","1","1") = "6"
    & skf21("5","7","4","1","4","3","2","1") = "6"
    & skf21("5","7","4","1","4","3","3","1") = "6"
    & skf21("5","7","4","1","4","3","4","1") = "6"
    & skf21("5","7","4","1","4","3","5","1") = "6"
    & skf21("5","7","4","1","4","3","6","1") = "6"
    & skf21("5","7","4","1","4","3","7","1") = "6"
    & skf21("5","7","4","1","4","4","1","1") = "6"
    & skf21("5","7","4","1","4","4","2","1") = "6"
    & skf21("5","7","4","1","4","4","3","1") = "6"
    & skf21("5","7","4","1","4","4","4","1") = "6"
    & skf21("5","7","4","1","4","4","5","1") = "6"
    & skf21("5","7","4","1","4","4","6","1") = "6"
    & skf21("5","7","4","1","4","4","7","1") = "6"
    & skf21("5","7","4","1","4","5","1","1") = "6"
    & skf21("5","7","4","1","4","5","2","1") = "6"
    & skf21("5","7","4","1","4","5","3","1") = "6"
    & skf21("5","7","4","1","4","5","4","1") = "6"
    & skf21("5","7","4","1","4","5","5","1") = "6"
    & skf21("5","7","4","1","4","5","6","1") = "6"
    & skf21("5","7","4","1","4","5","7","1") = "6"
    & skf21("5","7","4","1","4","6","1","1") = "6"
    & skf21("5","7","4","1","4","6","2","1") = "6"
    & skf21("5","7","4","1","4","6","3","1") = "6"
    & skf21("5","7","4","1","4","6","4","1") = "6"
    & skf21("5","7","4","1","4","6","5","1") = "6"
    & skf21("5","7","4","1","4","6","6","1") = "6"
    & skf21("5","7","4","1","4","6","7","1") = "6"
    & skf21("5","7","4","1","4","7","1","1") = "6"
    & skf21("5","7","4","1","4","7","2","1") = "6"
    & skf21("5","7","4","1","4","7","3","1") = "6"
    & skf21("5","7","4","1","4","7","4","1") = "6"
    & skf21("5","7","4","1","4","7","5","1") = "6"
    & skf21("5","7","4","1","4","7","6","1") = "6"
    & skf21("5","7","4","1","4","7","7","1") = "6"
    & skf21("5","7","4","1","5","1","1","1") = "6"
    & skf21("5","7","4","1","5","1","2","1") = "6"
    & skf21("5","7","4","1","5","1","3","1") = "6"
    & skf21("5","7","4","1","5","1","4","1") = "6"
    & skf21("5","7","4","1","5","1","5","1") = "6"
    & skf21("5","7","4","1","5","1","6","1") = "6"
    & skf21("5","7","4","1","5","1","7","1") = "6"
    & skf21("5","7","4","1","5","2","1","1") = "6"
    & skf21("5","7","4","1","5","2","2","1") = "6"
    & skf21("5","7","4","1","5","2","3","1") = "6"
    & skf21("5","7","4","1","5","2","4","1") = "6"
    & skf21("5","7","4","1","5","2","5","1") = "6"
    & skf21("5","7","4","1","5","2","6","1") = "6"
    & skf21("5","7","4","1","5","2","7","1") = "6"
    & skf21("5","7","4","1","5","3","1","1") = "6"
    & skf21("5","7","4","1","5","3","2","1") = "6"
    & skf21("5","7","4","1","5","3","3","1") = "6"
    & skf21("5","7","4","1","5","3","4","1") = "6"
    & skf21("5","7","4","1","5","3","5","1") = "6"
    & skf21("5","7","4","1","5","3","6","1") = "6"
    & skf21("5","7","4","1","5","3","7","1") = "6"
    & skf21("5","7","4","1","5","4","1","1") = "6"
    & skf21("5","7","4","1","5","4","2","1") = "6"
    & skf21("5","7","4","1","5","4","3","1") = "6"
    & skf21("5","7","4","1","5","4","4","1") = "6"
    & skf21("5","7","4","1","5","4","5","1") = "6"
    & skf21("5","7","4","1","5","4","6","1") = "6"
    & skf21("5","7","4","1","5","4","7","1") = "6"
    & skf21("5","7","4","1","5","5","1","1") = "6"
    & skf21("5","7","4","1","5","5","2","1") = "6"
    & skf21("5","7","4","1","5","5","3","1") = "6"
    & skf21("5","7","4","1","5","5","4","1") = "6"
    & skf21("5","7","4","1","5","5","5","1") = "6"
    & skf21("5","7","4","1","5","5","6","1") = "6"
    & skf21("5","7","4","1","5","5","7","1") = "6"
    & skf21("5","7","4","1","5","6","1","1") = "6"
    & skf21("5","7","4","1","5","6","2","1") = "6"
    & skf21("5","7","4","1","5","6","3","1") = "6"
    & skf21("5","7","4","1","5","6","4","1") = "6"
    & skf21("5","7","4","1","5","6","5","1") = "6"
    & skf21("5","7","4","1","5","6","6","1") = "6"
    & skf21("5","7","4","1","5","6","7","1") = "6"
    & skf21("5","7","4","1","5","7","1","1") = "6"
    & skf21("5","7","4","1","5","7","2","1") = "6"
    & skf21("5","7","4","1","5","7","3","1") = "6"
    & skf21("5","7","4","1","5","7","4","1") = "6"
    & skf21("5","7","4","1","5","7","5","1") = "6"
    & skf21("5","7","4","1","5","7","6","1") = "6"
    & skf21("5","7","4","1","5","7","7","1") = "6"
    & skf21("5","7","4","1","6","1","1","1") = "6"
    & skf21("5","7","4","1","6","1","2","1") = "6"
    & skf21("5","7","4","1","6","1","3","1") = "6"
    & skf21("5","7","4","1","6","1","4","1") = "6"
    & skf21("5","7","4","1","6","1","5","1") = "6"
    & skf21("5","7","4","1","6","1","6","1") = "6"
    & skf21("5","7","4","1","6","1","7","1") = "6"
    & skf21("5","7","4","1","6","2","1","1") = "6"
    & skf21("5","7","4","1","6","2","2","1") = "6"
    & skf21("5","7","4","1","6","2","3","1") = "6"
    & skf21("5","7","4","1","6","2","4","1") = "6"
    & skf21("5","7","4","1","6","2","5","1") = "6"
    & skf21("5","7","4","1","6","2","6","1") = "6"
    & skf21("5","7","4","1","6","2","7","1") = "6"
    & skf21("5","7","4","1","6","3","1","1") = "6"
    & skf21("5","7","4","1","6","3","2","1") = "6"
    & skf21("5","7","4","1","6","3","3","1") = "6"
    & skf21("5","7","4","1","6","3","4","1") = "6"
    & skf21("5","7","4","1","6","3","5","1") = "6"
    & skf21("5","7","4","1","6","3","6","1") = "6"
    & skf21("5","7","4","1","6","3","7","1") = "6"
    & skf21("5","7","4","1","6","4","1","1") = "6"
    & skf21("5","7","4","1","6","4","2","1") = "6"
    & skf21("5","7","4","1","6","4","3","1") = "6"
    & skf21("5","7","4","1","6","4","4","1") = "6"
    & skf21("5","7","4","1","6","4","5","1") = "6"
    & skf21("5","7","4","1","6","4","6","1") = "6"
    & skf21("5","7","4","1","6","4","7","1") = "6"
    & skf21("5","7","4","1","6","5","1","1") = "6"
    & skf21("5","7","4","1","6","5","2","1") = "6"
    & skf21("5","7","4","1","6","5","3","1") = "6"
    & skf21("5","7","4","1","6","5","4","1") = "6"
    & skf21("5","7","4","1","6","5","5","1") = "6"
    & skf21("5","7","4","1","6","5","6","1") = "6"
    & skf21("5","7","4","1","6","5","7","1") = "6"
    & skf21("5","7","4","1","6","6","1","1") = "6"
    & skf21("5","7","4","1","6","6","2","1") = "6"
    & skf21("5","7","4","1","6","6","3","1") = "6"
    & skf21("5","7","4","1","6","6","4","1") = "6"
    & skf21("5","7","4","1","6","6","5","1") = "6"
    & skf21("5","7","4","1","6","6","6","1") = "6"
    & skf21("5","7","4","1","6","6","7","1") = "6"
    & skf21("5","7","4","1","6","7","1","1") = "6"
    & skf21("5","7","4","1","6","7","2","1") = "6"
    & skf21("5","7","4","1","6","7","3","1") = "6"
    & skf21("5","7","4","1","6","7","4","1") = "6"
    & skf21("5","7","4","1","6","7","5","1") = "6"
    & skf21("5","7","4","1","6","7","6","1") = "6"
    & skf21("5","7","4","1","6","7","7","1") = "6"
    & skf21("5","7","4","1","7","1","1","1") = "6"
    & skf21("5","7","4","1","7","1","2","1") = "6"
    & skf21("5","7","4","1","7","1","3","1") = "6"
    & skf21("5","7","4","1","7","1","4","1") = "6"
    & skf21("5","7","4","1","7","1","5","1") = "6"
    & skf21("5","7","4","1","7","1","6","1") = "6"
    & skf21("5","7","4","1","7","1","7","1") = "6"
    & skf21("5","7","4","1","7","2","1","1") = "6"
    & skf21("5","7","4","1","7","2","2","1") = "6"
    & skf21("5","7","4","1","7","2","3","1") = "6"
    & skf21("5","7","4","1","7","2","4","1") = "6"
    & skf21("5","7","4","1","7","2","5","1") = "6"
    & skf21("5","7","4","1","7","2","6","1") = "6"
    & skf21("5","7","4","1","7","2","7","1") = "6"
    & skf21("5","7","4","1","7","3","1","1") = "6"
    & skf21("5","7","4","1","7","3","2","1") = "6"
    & skf21("5","7","4","1","7","3","3","1") = "6"
    & skf21("5","7","4","1","7","3","4","1") = "6"
    & skf21("5","7","4","1","7","3","5","1") = "6"
    & skf21("5","7","4","1","7","3","6","1") = "6"
    & skf21("5","7","4","1","7","3","7","1") = "6"
    & skf21("5","7","4","1","7","4","1","1") = "6"
    & skf21("5","7","4","1","7","4","2","1") = "6"
    & skf21("5","7","4","1","7","4","3","1") = "6"
    & skf21("5","7","4","1","7","4","4","1") = "6"
    & skf21("5","7","4","1","7","4","5","1") = "6"
    & skf21("5","7","4","1","7","4","6","1") = "6"
    & skf21("5","7","4","1","7","4","7","1") = "6"
    & skf21("5","7","4","1","7","5","1","1") = "6"
    & skf21("5","7","4","1","7","5","2","1") = "6"
    & skf21("5","7","4","1","7","5","3","1") = "6"
    & skf21("5","7","4","1","7","5","4","1") = "6"
    & skf21("5","7","4","1","7","5","5","1") = "6"
    & skf21("5","7","4","1","7","5","6","1") = "6"
    & skf21("5","7","4","1","7","5","7","1") = "6"
    & skf21("5","7","4","1","7","6","1","1") = "6"
    & skf21("5","7","4","1","7","6","2","1") = "6"
    & skf21("5","7","4","1","7","6","3","1") = "6"
    & skf21("5","7","4","1","7","6","4","1") = "6"
    & skf21("5","7","4","1","7","6","5","1") = "6"
    & skf21("5","7","4","1","7","6","6","1") = "6"
    & skf21("5","7","4","1","7","6","7","1") = "6"
    & skf21("5","7","4","1","7","7","1","1") = "6"
    & skf21("5","7","4","1","7","7","2","1") = "6"
    & skf21("5","7","4","1","7","7","3","1") = "6"
    & skf21("5","7","4","1","7","7","4","1") = "6"
    & skf21("5","7","4","1","7","7","5","1") = "6"
    & skf21("5","7","4","1","7","7","6","1") = "6"
    & skf21("5","7","4","1","7","7","7","1") = "6"
    & skf21("5","7","4","2","1","1","1","1") = "6"
    & skf21("5","7","4","2","1","1","2","1") = "6"
    & skf21("5","7","4","2","1","1","3","1") = "6"
    & skf21("5","7","4","2","1","1","4","1") = "6"
    & skf21("5","7","4","2","1","1","5","1") = "6"
    & skf21("5","7","4","2","1","1","6","1") = "6"
    & skf21("5","7","4","2","1","1","7","1") = "6"
    & skf21("5","7","4","2","1","2","1","1") = "6"
    & skf21("5","7","4","2","1","2","2","1") = "6"
    & skf21("5","7","4","2","1","2","3","1") = "6"
    & skf21("5","7","4","2","1","2","4","1") = "6"
    & skf21("5","7","4","2","1","2","5","1") = "6"
    & skf21("5","7","4","2","1","2","6","1") = "6"
    & skf21("5","7","4","2","1","2","7","1") = "6"
    & skf21("5","7","4","2","1","3","1","1") = "6"
    & skf21("5","7","4","2","1","3","2","1") = "6"
    & skf21("5","7","4","2","1","3","3","1") = "6"
    & skf21("5","7","4","2","1","3","4","1") = "6"
    & skf21("5","7","4","2","1","3","5","1") = "6"
    & skf21("5","7","4","2","1","3","6","1") = "6"
    & skf21("5","7","4","2","1","3","7","1") = "6"
    & skf21("5","7","4","2","1","4","1","1") = "6"
    & skf21("5","7","4","2","1","4","2","1") = "6"
    & skf21("5","7","4","2","1","4","3","1") = "6"
    & skf21("5","7","4","2","1","4","4","1") = "6"
    & skf21("5","7","4","2","1","4","5","1") = "6"
    & skf21("5","7","4","2","1","4","6","1") = "6"
    & skf21("5","7","4","2","1","4","7","1") = "6"
    & skf21("5","7","4","2","1","5","1","1") = "6"
    & skf21("5","7","4","2","1","5","2","1") = "6"
    & skf21("5","7","4","2","1","5","3","1") = "6"
    & skf21("5","7","4","2","1","5","4","1") = "6"
    & skf21("5","7","4","2","1","5","5","1") = "6"
    & skf21("5","7","4","2","1","5","6","1") = "6"
    & skf21("5","7","4","2","1","5","7","1") = "6"
    & skf21("5","7","4","2","1","6","1","1") = "6"
    & skf21("5","7","4","2","1","6","2","1") = "6"
    & skf21("5","7","4","2","1","6","3","1") = "6"
    & skf21("5","7","4","2","1","6","4","1") = "6"
    & skf21("5","7","4","2","1","6","5","1") = "6"
    & skf21("5","7","4","2","1","6","6","1") = "6"
    & skf21("5","7","4","2","1","6","7","1") = "6"
    & skf21("5","7","4","2","1","7","1","1") = "6"
    & skf21("5","7","4","2","1","7","2","1") = "6"
    & skf21("5","7","4","2","1","7","3","1") = "6"
    & skf21("5","7","4","2","1","7","4","1") = "6"
    & skf21("5","7","4","2","1","7","5","1") = "6"
    & skf21("5","7","4","2","1","7","6","1") = "6"
    & skf21("5","7","4","2","1","7","7","1") = "6"
    & skf21("5","7","4","2","2","1","1","1") = "6"
    & skf21("5","7","4","2","2","1","2","1") = "6"
    & skf21("5","7","4","2","2","1","3","1") = "6"
    & skf21("5","7","4","2","2","1","4","1") = "6"
    & skf21("5","7","4","2","2","1","5","1") = "6"
    & skf21("5","7","4","2","2","1","6","1") = "6"
    & skf21("5","7","4","2","2","1","7","1") = "6"
    & skf21("5","7","4","2","2","2","1","1") = "6"
    & skf21("5","7","4","2","2","2","2","1") = "6"
    & skf21("5","7","4","2","2","2","3","1") = "6"
    & skf21("5","7","4","2","2","2","4","1") = "6"
    & skf21("5","7","4","2","2","2","5","1") = "6"
    & skf21("5","7","4","2","2","2","6","1") = "6"
    & skf21("5","7","4","2","2","2","7","1") = "6"
    & skf21("5","7","4","2","2","3","1","1") = "6"
    & skf21("5","7","4","2","2","3","2","1") = "6"
    & skf21("5","7","4","2","2","3","3","1") = "6"
    & skf21("5","7","4","2","2","3","4","1") = "6"
    & skf21("5","7","4","2","2","3","5","1") = "6"
    & skf21("5","7","4","2","2","3","6","1") = "6"
    & skf21("5","7","4","2","2","3","7","1") = "6"
    & skf21("5","7","4","2","2","4","1","1") = "6"
    & skf21("5","7","4","2","2","4","2","1") = "6"
    & skf21("5","7","4","2","2","4","3","1") = "6"
    & skf21("5","7","4","2","2","4","4","1") = "6"
    & skf21("5","7","4","2","2","4","5","1") = "6"
    & skf21("5","7","4","2","2","4","6","1") = "6"
    & skf21("5","7","4","2","2","4","7","1") = "6"
    & skf21("5","7","4","2","2","5","1","1") = "6"
    & skf21("5","7","4","2","2","5","2","1") = "6"
    & skf21("5","7","4","2","2","5","3","1") = "6"
    & skf21("5","7","4","2","2","5","4","1") = "6"
    & skf21("5","7","4","2","2","5","5","1") = "6"
    & skf21("5","7","4","2","2","5","6","1") = "6"
    & skf21("5","7","4","2","2","5","7","1") = "6"
    & skf21("5","7","4","2","2","6","1","1") = "6"
    & skf21("5","7","4","2","2","6","2","1") = "6"
    & skf21("5","7","4","2","2","6","3","1") = "6"
    & skf21("5","7","4","2","2","6","4","1") = "6"
    & skf21("5","7","4","2","2","6","5","1") = "6"
    & skf21("5","7","4","2","2","6","6","1") = "6"
    & skf21("5","7","4","2","2","6","7","1") = "6"
    & skf21("5","7","4","2","2","7","1","1") = "6"
    & skf21("5","7","4","2","2","7","2","1") = "6"
    & skf21("5","7","4","2","2","7","3","1") = "6"
    & skf21("5","7","4","2","2","7","4","1") = "6"
    & skf21("5","7","4","2","2","7","5","1") = "6"
    & skf21("5","7","4","2","2","7","6","1") = "6"
    & skf21("5","7","4","2","2","7","7","1") = "6"
    & skf21("5","7","4","2","3","1","1","1") = "6"
    & skf21("5","7","4","2","3","1","2","1") = "6"
    & skf21("5","7","4","2","3","1","3","1") = "6"
    & skf21("5","7","4","2","3","1","4","1") = "6"
    & skf21("5","7","4","2","3","1","5","1") = "6"
    & skf21("5","7","4","2","3","1","6","1") = "6"
    & skf21("5","7","4","2","3","1","7","1") = "6"
    & skf21("5","7","4","2","3","2","1","1") = "6"
    & skf21("5","7","4","2","3","2","2","1") = "6"
    & skf21("5","7","4","2","3","2","3","1") = "6"
    & skf21("5","7","4","2","3","2","4","1") = "6"
    & skf21("5","7","4","2","3","2","5","1") = "6"
    & skf21("5","7","4","2","3","2","6","1") = "6"
    & skf21("5","7","4","2","3","2","7","1") = "6"
    & skf21("5","7","4","2","3","3","1","1") = "6"
    & skf21("5","7","4","2","3","3","2","1") = "6"
    & skf21("5","7","4","2","3","3","3","1") = "6"
    & skf21("5","7","4","2","3","3","4","1") = "6"
    & skf21("5","7","4","2","3","3","5","1") = "6"
    & skf21("5","7","4","2","3","3","6","1") = "6"
    & skf21("5","7","4","2","3","3","7","1") = "6"
    & skf21("5","7","4","2","3","4","1","1") = "6"
    & skf21("5","7","4","2","3","4","2","1") = "6"
    & skf21("5","7","4","2","3","4","3","1") = "6"
    & skf21("5","7","4","2","3","4","4","1") = "6"
    & skf21("5","7","4","2","3","4","5","1") = "6"
    & skf21("5","7","4","2","3","4","6","1") = "6"
    & skf21("5","7","4","2","3","4","7","1") = "6"
    & skf21("5","7","4","2","3","5","1","1") = "6"
    & skf21("5","7","4","2","3","5","2","1") = "6"
    & skf21("5","7","4","2","3","5","3","1") = "6"
    & skf21("5","7","4","2","3","5","4","1") = "6"
    & skf21("5","7","4","2","3","5","5","1") = "6"
    & skf21("5","7","4","2","3","5","6","1") = "6"
    & skf21("5","7","4","2","3","5","7","1") = "6"
    & skf21("5","7","4","2","3","6","1","1") = "6"
    & skf21("5","7","4","2","3","6","2","1") = "6"
    & skf21("5","7","4","2","3","6","3","1") = "6"
    & skf21("5","7","4","2","3","6","4","1") = "6"
    & skf21("5","7","4","2","3","6","5","1") = "6"
    & skf21("5","7","4","2","3","6","6","1") = "6"
    & skf21("5","7","4","2","3","6","7","1") = "6"
    & skf21("5","7","4","2","3","7","1","1") = "6"
    & skf21("5","7","4","2","3","7","2","1") = "6"
    & skf21("5","7","4","2","3","7","3","1") = "6"
    & skf21("5","7","4","2","3","7","4","1") = "6"
    & skf21("5","7","4","2","3","7","5","1") = "6"
    & skf21("5","7","4","2","3","7","6","1") = "6"
    & skf21("5","7","4","2","3","7","7","1") = "6"
    & skf21("5","7","4","2","4","1","1","1") = "6"
    & skf21("5","7","4","2","4","1","2","1") = "6"
    & skf21("5","7","4","2","4","1","3","1") = "6"
    & skf21("5","7","4","2","4","1","4","1") = "6"
    & skf21("5","7","4","2","4","1","5","1") = "6"
    & skf21("5","7","4","2","4","1","6","1") = "6"
    & skf21("5","7","4","2","4","1","7","1") = "6"
    & skf21("5","7","4","2","4","2","1","1") = "6"
    & skf21("5","7","4","2","4","2","2","1") = "6"
    & skf21("5","7","4","2","4","2","3","1") = "6"
    & skf21("5","7","4","2","4","2","4","1") = "6"
    & skf21("5","7","4","2","4","2","5","1") = "6"
    & skf21("5","7","4","2","4","2","6","1") = "6"
    & skf21("5","7","4","2","4","2","7","1") = "6"
    & skf21("5","7","4","2","4","3","1","1") = "6"
    & skf21("5","7","4","2","4","3","2","1") = "6"
    & skf21("5","7","4","2","4","3","3","1") = "6"
    & skf21("5","7","4","2","4","3","4","1") = "6"
    & skf21("5","7","4","2","4","3","5","1") = "6"
    & skf21("5","7","4","2","4","3","6","1") = "6"
    & skf21("5","7","4","2","4","3","7","1") = "6"
    & skf21("5","7","4","2","4","4","1","1") = "6"
    & skf21("5","7","4","2","4","4","2","1") = "6"
    & skf21("5","7","4","2","4","4","3","1") = "6"
    & skf21("5","7","4","2","4","4","4","1") = "6"
    & skf21("5","7","4","2","4","4","5","1") = "6"
    & skf21("5","7","4","2","4","4","6","1") = "6"
    & skf21("5","7","4","2","4","4","7","1") = "6"
    & skf21("5","7","4","2","4","5","1","1") = "6"
    & skf21("5","7","4","2","4","5","2","1") = "6"
    & skf21("5","7","4","2","4","5","3","1") = "6"
    & skf21("5","7","4","2","4","5","4","1") = "6"
    & skf21("5","7","4","2","4","5","5","1") = "6"
    & skf21("5","7","4","2","4","5","6","1") = "6"
    & skf21("5","7","4","2","4","5","7","1") = "6"
    & skf21("5","7","4","2","4","6","1","1") = "6"
    & skf21("5","7","4","2","4","6","2","1") = "6"
    & skf21("5","7","4","2","4","6","3","1") = "6"
    & skf21("5","7","4","2","4","6","4","1") = "6"
    & skf21("5","7","4","2","4","6","5","1") = "6"
    & skf21("5","7","4","2","4","6","6","1") = "6"
    & skf21("5","7","4","2","4","6","7","1") = "6"
    & skf21("5","7","4","2","4","7","1","1") = "6"
    & skf21("5","7","4","2","4","7","2","1") = "6"
    & skf21("5","7","4","2","4","7","3","1") = "6"
    & skf21("5","7","4","2","4","7","4","1") = "6"
    & skf21("5","7","4","2","4","7","5","1") = "6"
    & skf21("5","7","4","2","4","7","6","1") = "6"
    & skf21("5","7","4","2","4","7","7","1") = "6"
    & skf21("5","7","4","2","5","1","1","1") = "6"
    & skf21("5","7","4","2","5","1","2","1") = "6"
    & skf21("5","7","4","2","5","1","3","1") = "6"
    & skf21("5","7","4","2","5","1","4","1") = "6"
    & skf21("5","7","4","2","5","1","5","1") = "6"
    & skf21("5","7","4","2","5","1","6","1") = "6"
    & skf21("5","7","4","2","5","1","7","1") = "6"
    & skf21("5","7","4","2","5","2","1","1") = "6"
    & skf21("5","7","4","2","5","2","2","1") = "6"
    & skf21("5","7","4","2","5","2","3","1") = "6"
    & skf21("5","7","4","2","5","2","4","1") = "6"
    & skf21("5","7","4","2","5","2","5","1") = "6"
    & skf21("5","7","4","2","5","2","6","1") = "6"
    & skf21("5","7","4","2","5","2","7","1") = "6"
    & skf21("5","7","4","2","5","3","1","1") = "6"
    & skf21("5","7","4","2","5","3","2","1") = "6"
    & skf21("5","7","4","2","5","3","3","1") = "6"
    & skf21("5","7","4","2","5","3","4","1") = "6"
    & skf21("5","7","4","2","5","3","5","1") = "6"
    & skf21("5","7","4","2","5","3","6","1") = "6"
    & skf21("5","7","4","2","5","3","7","1") = "6"
    & skf21("5","7","4","2","5","4","1","1") = "6"
    & skf21("5","7","4","2","5","4","2","1") = "6"
    & skf21("5","7","4","2","5","4","3","1") = "6"
    & skf21("5","7","4","2","5","4","4","1") = "6"
    & skf21("5","7","4","2","5","4","5","1") = "6"
    & skf21("5","7","4","2","5","4","6","1") = "6"
    & skf21("5","7","4","2","5","4","7","1") = "6"
    & skf21("5","7","4","2","5","5","1","1") = "6"
    & skf21("5","7","4","2","5","5","2","1") = "6"
    & skf21("5","7","4","2","5","5","3","1") = "6"
    & skf21("5","7","4","2","5","5","4","1") = "6"
    & skf21("5","7","4","2","5","5","5","1") = "6"
    & skf21("5","7","4","2","5","5","6","1") = "6"
    & skf21("5","7","4","2","5","5","7","1") = "6"
    & skf21("5","7","4","2","5","6","1","1") = "6"
    & skf21("5","7","4","2","5","6","2","1") = "6"
    & skf21("5","7","4","2","5","6","3","1") = "6"
    & skf21("5","7","4","2","5","6","4","1") = "6"
    & skf21("5","7","4","2","5","6","5","1") = "6"
    & skf21("5","7","4","2","5","6","6","1") = "6"
    & skf21("5","7","4","2","5","6","7","1") = "6"
    & skf21("5","7","4","2","5","7","1","1") = "6"
    & skf21("5","7","4","2","5","7","2","1") = "6"
    & skf21("5","7","4","2","5","7","3","1") = "6"
    & skf21("5","7","4","2","5","7","4","1") = "6"
    & skf21("5","7","4","2","5","7","5","1") = "6"
    & skf21("5","7","4","2","5","7","6","1") = "6"
    & skf21("5","7","4","2","5","7","7","1") = "6"
    & skf21("5","7","4","2","6","1","1","1") = "6"
    & skf21("5","7","4","2","6","1","2","1") = "6"
    & skf21("5","7","4","2","6","1","3","1") = "6"
    & skf21("5","7","4","2","6","1","4","1") = "6"
    & skf21("5","7","4","2","6","1","5","1") = "6"
    & skf21("5","7","4","2","6","1","6","1") = "6"
    & skf21("5","7","4","2","6","1","7","1") = "6"
    & skf21("5","7","4","2","6","2","1","1") = "6"
    & skf21("5","7","4","2","6","2","2","1") = "6"
    & skf21("5","7","4","2","6","2","3","1") = "6"
    & skf21("5","7","4","2","6","2","4","1") = "6"
    & skf21("5","7","4","2","6","2","5","1") = "6"
    & skf21("5","7","4","2","6","2","6","1") = "6"
    & skf21("5","7","4","2","6","2","7","1") = "6"
    & skf21("5","7","4","2","6","3","1","1") = "6"
    & skf21("5","7","4","2","6","3","2","1") = "6"
    & skf21("5","7","4","2","6","3","3","1") = "6"
    & skf21("5","7","4","2","6","3","4","1") = "6"
    & skf21("5","7","4","2","6","3","5","1") = "6"
    & skf21("5","7","4","2","6","3","6","1") = "6"
    & skf21("5","7","4","2","6","3","7","1") = "6"
    & skf21("5","7","4","2","6","4","1","1") = "6"
    & skf21("5","7","4","2","6","4","2","1") = "6"
    & skf21("5","7","4","2","6","4","3","1") = "6"
    & skf21("5","7","4","2","6","4","4","1") = "6"
    & skf21("5","7","4","2","6","4","5","1") = "6"
    & skf21("5","7","4","2","6","4","6","1") = "6"
    & skf21("5","7","4","2","6","4","7","1") = "6"
    & skf21("5","7","4","2","6","5","1","1") = "6"
    & skf21("5","7","4","2","6","5","2","1") = "6"
    & skf21("5","7","4","2","6","5","3","1") = "6"
    & skf21("5","7","4","2","6","5","4","1") = "6"
    & skf21("5","7","4","2","6","5","5","1") = "6"
    & skf21("5","7","4","2","6","5","6","1") = "6"
    & skf21("5","7","4","2","6","5","7","1") = "6"
    & skf21("5","7","4","2","6","6","1","1") = "6"
    & skf21("5","7","4","2","6","6","2","1") = "6"
    & skf21("5","7","4","2","6","6","3","1") = "6"
    & skf21("5","7","4","2","6","6","4","1") = "6"
    & skf21("5","7","4","2","6","6","5","1") = "6"
    & skf21("5","7","4","2","6","6","6","1") = "6"
    & skf21("5","7","4","2","6","6","7","1") = "6"
    & skf21("5","7","4","2","6","7","1","1") = "6"
    & skf21("5","7","4","2","6","7","2","1") = "6"
    & skf21("5","7","4","2","6","7","3","1") = "6"
    & skf21("5","7","4","2","6","7","4","1") = "6"
    & skf21("5","7","4","2","6","7","5","1") = "6"
    & skf21("5","7","4","2","6","7","6","1") = "6"
    & skf21("5","7","4","2","6","7","7","1") = "6"
    & skf21("5","7","4","2","7","1","1","1") = "6"
    & skf21("5","7","4","2","7","1","2","1") = "6"
    & skf21("5","7","4","2","7","1","3","1") = "6"
    & skf21("5","7","4","2","7","1","4","1") = "6"
    & skf21("5","7","4","2","7","1","5","1") = "6"
    & skf21("5","7","4","2","7","1","6","1") = "6"
    & skf21("5","7","4","2","7","1","7","1") = "6"
    & skf21("5","7","4","2","7","2","1","1") = "6"
    & skf21("5","7","4","2","7","2","2","1") = "6"
    & skf21("5","7","4","2","7","2","3","1") = "6"
    & skf21("5","7","4","2","7","2","4","1") = "6"
    & skf21("5","7","4","2","7","2","5","1") = "6"
    & skf21("5","7","4","2","7","2","6","1") = "6"
    & skf21("5","7","4","2","7","2","7","1") = "6"
    & skf21("5","7","4","2","7","3","1","1") = "6"
    & skf21("5","7","4","2","7","3","2","1") = "6"
    & skf21("5","7","4","2","7","3","3","1") = "6"
    & skf21("5","7","4","2","7","3","4","1") = "6"
    & skf21("5","7","4","2","7","3","5","1") = "6"
    & skf21("5","7","4","2","7","3","6","1") = "6"
    & skf21("5","7","4","2","7","3","7","1") = "6"
    & skf21("5","7","4","2","7","4","1","1") = "6"
    & skf21("5","7","4","2","7","4","2","1") = "6"
    & skf21("5","7","4","2","7","4","3","1") = "6"
    & skf21("5","7","4","2","7","4","4","1") = "6"
    & skf21("5","7","4","2","7","4","5","1") = "6"
    & skf21("5","7","4","2","7","4","6","1") = "6"
    & skf21("5","7","4","2","7","4","7","1") = "6"
    & skf21("5","7","4","2","7","5","1","1") = "6"
    & skf21("5","7","4","2","7","5","2","1") = "6"
    & skf21("5","7","4","2","7","5","3","1") = "6"
    & skf21("5","7","4","2","7","5","4","1") = "6"
    & skf21("5","7","4","2","7","5","5","1") = "6"
    & skf21("5","7","4","2","7","5","6","1") = "6"
    & skf21("5","7","4","2","7","5","7","1") = "6"
    & skf21("5","7","4","2","7","6","1","1") = "6"
    & skf21("5","7","4","2","7","6","2","1") = "6"
    & skf21("5","7","4","2","7","6","3","1") = "6"
    & skf21("5","7","4","2","7","6","4","1") = "6"
    & skf21("5","7","4","2","7","6","5","1") = "6"
    & skf21("5","7","4","2","7","6","6","1") = "6"
    & skf21("5","7","4","2","7","6","7","1") = "6"
    & skf21("5","7","4","2","7","7","1","1") = "6"
    & skf21("5","7","4","2","7","7","2","1") = "6"
    & skf21("5","7","4","2","7","7","3","1") = "6"
    & skf21("5","7","4","2","7","7","4","1") = "6"
    & skf21("5","7","4","2","7","7","5","1") = "6"
    & skf21("5","7","4","2","7","7","6","1") = "6"
    & skf21("5","7","4","2","7","7","7","1") = "6"
    & skf21("5","7","4","3","1","1","1","1") = "6"
    & skf21("5","7","4","3","1","1","2","1") = "6"
    & skf21("5","7","4","3","1","1","3","1") = "6"
    & skf21("5","7","4","3","1","1","4","1") = "6"
    & skf21("5","7","4","3","1","1","5","1") = "6"
    & skf21("5","7","4","3","1","1","6","1") = "6"
    & skf21("5","7","4","3","1","1","7","1") = "6"
    & skf21("5","7","4","3","1","2","1","1") = "6"
    & skf21("5","7","4","3","1","2","2","1") = "6"
    & skf21("5","7","4","3","1","2","3","1") = "6"
    & skf21("5","7","4","3","1","2","4","1") = "6"
    & skf21("5","7","4","3","1","2","5","1") = "6"
    & skf21("5","7","4","3","1","2","6","1") = "6"
    & skf21("5","7","4","3","1","2","7","1") = "6"
    & skf21("5","7","4","3","1","3","1","1") = "6"
    & skf21("5","7","4","3","1","3","2","1") = "6"
    & skf21("5","7","4","3","1","3","3","1") = "6"
    & skf21("5","7","4","3","1","3","4","1") = "6"
    & skf21("5","7","4","3","1","3","5","1") = "6"
    & skf21("5","7","4","3","1","3","6","1") = "6"
    & skf21("5","7","4","3","1","3","7","1") = "6"
    & skf21("5","7","4","3","1","4","1","1") = "6"
    & skf21("5","7","4","3","1","4","2","1") = "6"
    & skf21("5","7","4","3","1","4","3","1") = "6"
    & skf21("5","7","4","3","1","4","4","1") = "6"
    & skf21("5","7","4","3","1","4","5","1") = "6"
    & skf21("5","7","4","3","1","4","6","1") = "6"
    & skf21("5","7","4","3","1","4","7","1") = "6"
    & skf21("5","7","4","3","1","5","1","1") = "6"
    & skf21("5","7","4","3","1","5","2","1") = "6"
    & skf21("5","7","4","3","1","5","3","1") = "6"
    & skf21("5","7","4","3","1","5","4","1") = "6"
    & skf21("5","7","4","3","1","5","5","1") = "6"
    & skf21("5","7","4","3","1","5","6","1") = "6"
    & skf21("5","7","4","3","1","5","7","1") = "6"
    & skf21("5","7","4","3","1","6","1","1") = "6"
    & skf21("5","7","4","3","1","6","2","1") = "6"
    & skf21("5","7","4","3","1","6","3","1") = "6"
    & skf21("5","7","4","3","1","6","4","1") = "6"
    & skf21("5","7","4","3","1","6","5","1") = "6"
    & skf21("5","7","4","3","1","6","6","1") = "6"
    & skf21("5","7","4","3","1","6","7","1") = "6"
    & skf21("5","7","4","3","1","7","1","1") = "6"
    & skf21("5","7","4","3","1","7","2","1") = "6"
    & skf21("5","7","4","3","1","7","3","1") = "6"
    & skf21("5","7","4","3","1","7","4","1") = "6"
    & skf21("5","7","4","3","1","7","5","1") = "6"
    & skf21("5","7","4","3","1","7","6","1") = "6"
    & skf21("5","7","4","3","1","7","7","1") = "6"
    & skf21("5","7","4","3","2","1","1","1") = "6"
    & skf21("5","7","4","3","2","1","2","1") = "6"
    & skf21("5","7","4","3","2","1","3","1") = "6"
    & skf21("5","7","4","3","2","1","4","1") = "6"
    & skf21("5","7","4","3","2","1","5","1") = "6"
    & skf21("5","7","4","3","2","1","6","1") = "6"
    & skf21("5","7","4","3","2","1","7","1") = "6"
    & skf21("5","7","4","3","2","2","1","1") = "6"
    & skf21("5","7","4","3","2","2","2","1") = "6"
    & skf21("5","7","4","3","2","2","3","1") = "6"
    & skf21("5","7","4","3","2","2","4","1") = "6"
    & skf21("5","7","4","3","2","2","5","1") = "6"
    & skf21("5","7","4","3","2","2","6","1") = "6"
    & skf21("5","7","4","3","2","2","7","1") = "6"
    & skf21("5","7","4","3","2","3","1","1") = "6"
    & skf21("5","7","4","3","2","3","2","1") = "6"
    & skf21("5","7","4","3","2","3","3","1") = "6"
    & skf21("5","7","4","3","2","3","4","1") = "6"
    & skf21("5","7","4","3","2","3","5","1") = "6"
    & skf21("5","7","4","3","2","3","6","1") = "6"
    & skf21("5","7","4","3","2","3","7","1") = "6"
    & skf21("5","7","4","3","2","4","1","1") = "6"
    & skf21("5","7","4","3","2","4","2","1") = "6"
    & skf21("5","7","4","3","2","4","3","1") = "6"
    & skf21("5","7","4","3","2","4","4","1") = "6"
    & skf21("5","7","4","3","2","4","5","1") = "6"
    & skf21("5","7","4","3","2","4","6","1") = "6"
    & skf21("5","7","4","3","2","4","7","1") = "6"
    & skf21("5","7","4","3","2","5","1","1") = "6"
    & skf21("5","7","4","3","2","5","2","1") = "6"
    & skf21("5","7","4","3","2","5","3","1") = "6"
    & skf21("5","7","4","3","2","5","4","1") = "6"
    & skf21("5","7","4","3","2","5","5","1") = "6"
    & skf21("5","7","4","3","2","5","6","1") = "6"
    & skf21("5","7","4","3","2","5","7","1") = "6"
    & skf21("5","7","4","3","2","6","1","1") = "6"
    & skf21("5","7","4","3","2","6","2","1") = "6"
    & skf21("5","7","4","3","2","6","3","1") = "6"
    & skf21("5","7","4","3","2","6","4","1") = "6"
    & skf21("5","7","4","3","2","6","5","1") = "6"
    & skf21("5","7","4","3","2","6","6","1") = "6"
    & skf21("5","7","4","3","2","6","7","1") = "6"
    & skf21("5","7","4","3","2","7","1","1") = "6"
    & skf21("5","7","4","3","2","7","2","1") = "6"
    & skf21("5","7","4","3","2","7","3","1") = "6"
    & skf21("5","7","4","3","2","7","4","1") = "6"
    & skf21("5","7","4","3","2","7","5","1") = "6"
    & skf21("5","7","4","3","2","7","6","1") = "6"
    & skf21("5","7","4","3","2","7","7","1") = "6"
    & skf21("5","7","4","3","3","1","1","1") = "6"
    & skf21("5","7","4","3","3","1","2","1") = "6"
    & skf21("5","7","4","3","3","1","3","1") = "6"
    & skf21("5","7","4","3","3","1","4","1") = "6"
    & skf21("5","7","4","3","3","1","5","1") = "6"
    & skf21("5","7","4","3","3","1","6","1") = "6"
    & skf21("5","7","4","3","3","1","7","1") = "6"
    & skf21("5","7","4","3","3","2","1","1") = "6"
    & skf21("5","7","4","3","3","2","2","1") = "6"
    & skf21("5","7","4","3","3","2","3","1") = "6"
    & skf21("5","7","4","3","3","2","4","1") = "6"
    & skf21("5","7","4","3","3","2","5","1") = "6"
    & skf21("5","7","4","3","3","2","6","1") = "6"
    & skf21("5","7","4","3","3","2","7","1") = "6"
    & skf21("5","7","4","3","3","3","1","1") = "6"
    & skf21("5","7","4","3","3","3","2","1") = "6"
    & skf21("5","7","4","3","3","3","3","1") = "6"
    & skf21("5","7","4","3","3","3","4","1") = "6"
    & skf21("5","7","4","3","3","3","5","1") = "6"
    & skf21("5","7","4","3","3","3","6","1") = "6"
    & skf21("5","7","4","3","3","3","7","1") = "6"
    & skf21("5","7","4","3","3","4","1","1") = "6"
    & skf21("5","7","4","3","3","4","2","1") = "6"
    & skf21("5","7","4","3","3","4","3","1") = "6"
    & skf21("5","7","4","3","3","4","4","1") = "6"
    & skf21("5","7","4","3","3","4","5","1") = "6"
    & skf21("5","7","4","3","3","4","6","1") = "6"
    & skf21("5","7","4","3","3","4","7","1") = "6"
    & skf21("5","7","4","3","3","5","1","1") = "6"
    & skf21("5","7","4","3","3","5","2","1") = "6"
    & skf21("5","7","4","3","3","5","3","1") = "6"
    & skf21("5","7","4","3","3","5","4","1") = "6"
    & skf21("5","7","4","3","3","5","5","1") = "6"
    & skf21("5","7","4","3","3","5","6","1") = "6"
    & skf21("5","7","4","3","3","5","7","1") = "6"
    & skf21("5","7","4","3","3","6","1","1") = "6"
    & skf21("5","7","4","3","3","6","2","1") = "6"
    & skf21("5","7","4","3","3","6","3","1") = "6"
    & skf21("5","7","4","3","3","6","4","1") = "6"
    & skf21("5","7","4","3","3","6","5","1") = "6"
    & skf21("5","7","4","3","3","6","6","1") = "6"
    & skf21("5","7","4","3","3","6","7","1") = "6"
    & skf21("5","7","4","3","3","7","1","1") = "6"
    & skf21("5","7","4","3","3","7","2","1") = "6"
    & skf21("5","7","4","3","3","7","3","1") = "6"
    & skf21("5","7","4","3","3","7","4","1") = "6"
    & skf21("5","7","4","3","3","7","5","1") = "6"
    & skf21("5","7","4","3","3","7","6","1") = "6"
    & skf21("5","7","4","3","3","7","7","1") = "6"
    & skf21("5","7","4","3","4","1","1","1") = "6"
    & skf21("5","7","4","3","4","1","2","1") = "6"
    & skf21("5","7","4","3","4","1","3","1") = "6"
    & skf21("5","7","4","3","4","1","4","1") = "6"
    & skf21("5","7","4","3","4","1","5","1") = "6"
    & skf21("5","7","4","3","4","1","6","1") = "6"
    & skf21("5","7","4","3","4","1","7","1") = "6"
    & skf21("5","7","4","3","4","2","1","1") = "6"
    & skf21("5","7","4","3","4","2","2","1") = "6"
    & skf21("5","7","4","3","4","2","3","1") = "6"
    & skf21("5","7","4","3","4","2","4","1") = "6"
    & skf21("5","7","4","3","4","2","5","1") = "6"
    & skf21("5","7","4","3","4","2","6","1") = "6"
    & skf21("5","7","4","3","4","2","7","1") = "6"
    & skf21("5","7","4","3","4","3","1","1") = "6"
    & skf21("5","7","4","3","4","3","2","1") = "6"
    & skf21("5","7","4","3","4","3","3","1") = "6"
    & skf21("5","7","4","3","4","3","4","1") = "6"
    & skf21("5","7","4","3","4","3","5","1") = "6"
    & skf21("5","7","4","3","4","3","6","1") = "6"
    & skf21("5","7","4","3","4","3","7","1") = "6"
    & skf21("5","7","4","3","4","4","1","1") = "6"
    & skf21("5","7","4","3","4","4","2","1") = "6"
    & skf21("5","7","4","3","4","4","3","1") = "6"
    & skf21("5","7","4","3","4","4","4","1") = "6"
    & skf21("5","7","4","3","4","4","5","1") = "6"
    & skf21("5","7","4","3","4","4","6","1") = "6"
    & skf21("5","7","4","3","4","4","7","1") = "6"
    & skf21("5","7","4","3","4","5","1","1") = "6"
    & skf21("5","7","4","3","4","5","2","1") = "6"
    & skf21("5","7","4","3","4","5","3","1") = "6"
    & skf21("5","7","4","3","4","5","4","1") = "6"
    & skf21("5","7","4","3","4","5","5","1") = "6"
    & skf21("5","7","4","3","4","5","6","1") = "6"
    & skf21("5","7","4","3","4","5","7","1") = "6"
    & skf21("5","7","4","3","4","6","1","1") = "6"
    & skf21("5","7","4","3","4","6","2","1") = "6"
    & skf21("5","7","4","3","4","6","3","1") = "6"
    & skf21("5","7","4","3","4","6","4","1") = "6"
    & skf21("5","7","4","3","4","6","5","1") = "6"
    & skf21("5","7","4","3","4","6","6","1") = "6"
    & skf21("5","7","4","3","4","6","7","1") = "6"
    & skf21("5","7","4","3","4","7","1","1") = "6"
    & skf21("5","7","4","3","4","7","2","1") = "6"
    & skf21("5","7","4","3","4","7","3","1") = "6"
    & skf21("5","7","4","3","4","7","4","1") = "6"
    & skf21("5","7","4","3","4","7","5","1") = "6"
    & skf21("5","7","4","3","4","7","6","1") = "6"
    & skf21("5","7","4","3","4","7","7","1") = "6"
    & skf21("5","7","4","3","5","1","1","1") = "6"
    & skf21("5","7","4","3","5","1","2","1") = "6"
    & skf21("5","7","4","3","5","1","3","1") = "6"
    & skf21("5","7","4","3","5","1","4","1") = "6"
    & skf21("5","7","4","3","5","1","5","1") = "6"
    & skf21("5","7","4","3","5","1","6","1") = "6"
    & skf21("5","7","4","3","5","1","7","1") = "6"
    & skf21("5","7","4","3","5","2","1","1") = "6"
    & skf21("5","7","4","3","5","2","2","1") = "6"
    & skf21("5","7","4","3","5","2","3","1") = "6"
    & skf21("5","7","4","3","5","2","4","1") = "6"
    & skf21("5","7","4","3","5","2","5","1") = "6"
    & skf21("5","7","4","3","5","2","6","1") = "6"
    & skf21("5","7","4","3","5","2","7","1") = "6"
    & skf21("5","7","4","3","5","3","1","1") = "6"
    & skf21("5","7","4","3","5","3","2","1") = "6"
    & skf21("5","7","4","3","5","3","3","1") = "6"
    & skf21("5","7","4","3","5","3","4","1") = "6"
    & skf21("5","7","4","3","5","3","5","1") = "6"
    & skf21("5","7","4","3","5","3","6","1") = "6"
    & skf21("5","7","4","3","5","3","7","1") = "6"
    & skf21("5","7","4","3","5","4","1","1") = "6"
    & skf21("5","7","4","3","5","4","2","1") = "6"
    & skf21("5","7","4","3","5","4","3","1") = "6"
    & skf21("5","7","4","3","5","4","4","1") = "6"
    & skf21("5","7","4","3","5","4","5","1") = "6"
    & skf21("5","7","4","3","5","4","6","1") = "6"
    & skf21("5","7","4","3","5","4","7","1") = "6"
    & skf21("5","7","4","3","5","5","1","1") = "6"
    & skf21("5","7","4","3","5","5","2","1") = "6"
    & skf21("5","7","4","3","5","5","3","1") = "6"
    & skf21("5","7","4","3","5","5","4","1") = "6"
    & skf21("5","7","4","3","5","5","5","1") = "6"
    & skf21("5","7","4","3","5","5","6","1") = "6"
    & skf21("5","7","4","3","5","5","7","1") = "6"
    & skf21("5","7","4","3","5","6","1","1") = "6"
    & skf21("5","7","4","3","5","6","2","1") = "6"
    & skf21("5","7","4","3","5","6","3","1") = "6"
    & skf21("5","7","4","3","5","6","4","1") = "6"
    & skf21("5","7","4","3","5","6","5","1") = "6"
    & skf21("5","7","4","3","5","6","6","1") = "6"
    & skf21("5","7","4","3","5","6","7","1") = "6"
    & skf21("5","7","4","3","5","7","1","1") = "6"
    & skf21("5","7","4","3","5","7","2","1") = "6"
    & skf21("5","7","4","3","5","7","3","1") = "6"
    & skf21("5","7","4","3","5","7","4","1") = "6"
    & skf21("5","7","4","3","5","7","5","1") = "6"
    & skf21("5","7","4","3","5","7","6","1") = "6"
    & skf21("5","7","4","3","5","7","7","1") = "6"
    & skf21("5","7","4","3","6","1","1","1") = "6"
    & skf21("5","7","4","3","6","1","2","1") = "6"
    & skf21("5","7","4","3","6","1","3","1") = "6"
    & skf21("5","7","4","3","6","1","4","1") = "6"
    & skf21("5","7","4","3","6","1","5","1") = "6"
    & skf21("5","7","4","3","6","1","6","1") = "6"
    & skf21("5","7","4","3","6","1","7","1") = "6"
    & skf21("5","7","4","3","6","2","1","1") = "6"
    & skf21("5","7","4","3","6","2","2","1") = "6"
    & skf21("5","7","4","3","6","2","3","1") = "6"
    & skf21("5","7","4","3","6","2","4","1") = "6"
    & skf21("5","7","4","3","6","2","5","1") = "6"
    & skf21("5","7","4","3","6","2","6","1") = "6"
    & skf21("5","7","4","3","6","2","7","1") = "6"
    & skf21("5","7","4","3","6","3","1","1") = "6"
    & skf21("5","7","4","3","6","3","2","1") = "6"
    & skf21("5","7","4","3","6","3","3","1") = "6"
    & skf21("5","7","4","3","6","3","4","1") = "6"
    & skf21("5","7","4","3","6","3","5","1") = "6"
    & skf21("5","7","4","3","6","3","6","1") = "6"
    & skf21("5","7","4","3","6","3","7","1") = "6"
    & skf21("5","7","4","3","6","4","1","1") = "6"
    & skf21("5","7","4","3","6","4","2","1") = "6"
    & skf21("5","7","4","3","6","4","3","1") = "6"
    & skf21("5","7","4","3","6","4","4","1") = "6"
    & skf21("5","7","4","3","6","4","5","1") = "6"
    & skf21("5","7","4","3","6","4","6","1") = "6"
    & skf21("5","7","4","3","6","4","7","1") = "6"
    & skf21("5","7","4","3","6","5","1","1") = "6"
    & skf21("5","7","4","3","6","5","2","1") = "6"
    & skf21("5","7","4","3","6","5","3","1") = "6"
    & skf21("5","7","4","3","6","5","4","1") = "6"
    & skf21("5","7","4","3","6","5","5","1") = "6"
    & skf21("5","7","4","3","6","5","6","1") = "6"
    & skf21("5","7","4","3","6","5","7","1") = "6"
    & skf21("5","7","4","3","6","6","1","1") = "6"
    & skf21("5","7","4","3","6","6","2","1") = "6"
    & skf21("5","7","4","3","6","6","3","1") = "6"
    & skf21("5","7","4","3","6","6","4","1") = "6"
    & skf21("5","7","4","3","6","6","5","1") = "6"
    & skf21("5","7","4","3","6","6","6","1") = "6"
    & skf21("5","7","4","3","6","6","7","1") = "6"
    & skf21("5","7","4","3","6","7","1","1") = "6"
    & skf21("5","7","4","3","6","7","2","1") = "6"
    & skf21("5","7","4","3","6","7","3","1") = "6"
    & skf21("5","7","4","3","6","7","4","1") = "6"
    & skf21("5","7","4","3","6","7","5","1") = "6"
    & skf21("5","7","4","3","6","7","6","1") = "6"
    & skf21("5","7","4","3","6","7","7","1") = "6"
    & skf21("5","7","4","3","7","1","1","1") = "6"
    & skf21("5","7","4","3","7","1","2","1") = "6"
    & skf21("5","7","4","3","7","1","3","1") = "6"
    & skf21("5","7","4","3","7","1","4","1") = "6"
    & skf21("5","7","4","3","7","1","5","1") = "6"
    & skf21("5","7","4","3","7","1","6","1") = "6"
    & skf21("5","7","4","3","7","1","7","1") = "6"
    & skf21("5","7","4","3","7","2","1","1") = "6"
    & skf21("5","7","4","3","7","2","2","1") = "6"
    & skf21("5","7","4","3","7","2","3","1") = "6"
    & skf21("5","7","4","3","7","2","4","1") = "6"
    & skf21("5","7","4","3","7","2","5","1") = "6"
    & skf21("5","7","4","3","7","2","6","1") = "6"
    & skf21("5","7","4","3","7","2","7","1") = "6"
    & skf21("5","7","4","3","7","3","1","1") = "6"
    & skf21("5","7","4","3","7","3","2","1") = "6"
    & skf21("5","7","4","3","7","3","3","1") = "6"
    & skf21("5","7","4","3","7","3","4","1") = "6"
    & skf21("5","7","4","3","7","3","5","1") = "6"
    & skf21("5","7","4","3","7","3","6","1") = "6"
    & skf21("5","7","4","3","7","3","7","1") = "6"
    & skf21("5","7","4","3","7","4","1","1") = "6"
    & skf21("5","7","4","3","7","4","2","1") = "6"
    & skf21("5","7","4","3","7","4","3","1") = "6"
    & skf21("5","7","4","3","7","4","4","1") = "6"
    & skf21("5","7","4","3","7","4","5","1") = "6"
    & skf21("5","7","4","3","7","4","6","1") = "6"
    & skf21("5","7","4","3","7","4","7","1") = "6"
    & skf21("5","7","4","3","7","5","1","1") = "6"
    & skf21("5","7","4","3","7","5","2","1") = "6"
    & skf21("5","7","4","3","7","5","3","1") = "6"
    & skf21("5","7","4","3","7","5","4","1") = "6"
    & skf21("5","7","4","3","7","5","5","1") = "6"
    & skf21("5","7","4","3","7","5","6","1") = "6"
    & skf21("5","7","4","3","7","5","7","1") = "6"
    & skf21("5","7","4","3","7","6","1","1") = "6"
    & skf21("5","7","4","3","7","6","2","1") = "6"
    & skf21("5","7","4","3","7","6","3","1") = "6"
    & skf21("5","7","4","3","7","6","4","1") = "6"
    & skf21("5","7","4","3","7","6","5","1") = "6"
    & skf21("5","7","4","3","7","6","6","1") = "6"
    & skf21("5","7","4","3","7","6","7","1") = "6"
    & skf21("5","7","4","3","7","7","1","1") = "6"
    & skf21("5","7","4","3","7","7","2","1") = "6"
    & skf21("5","7","4","3","7","7","3","1") = "6"
    & skf21("5","7","4","3","7","7","4","1") = "6"
    & skf21("5","7","4","3","7","7","5","1") = "6"
    & skf21("5","7","4","3","7","7","6","1") = "6"
    & skf21("5","7","4","3","7","7","7","1") = "6"
    & skf21("5","7","4","4","1","1","1","1") = "6"
    & skf21("5","7","4","4","1","1","2","1") = "6"
    & skf21("5","7","4","4","1","1","3","1") = "6"
    & skf21("5","7","4","4","1","1","4","1") = "6"
    & skf21("5","7","4","4","1","1","5","1") = "6"
    & skf21("5","7","4","4","1","1","6","1") = "6"
    & skf21("5","7","4","4","1","1","7","1") = "6"
    & skf21("5","7","4","4","1","2","1","1") = "6"
    & skf21("5","7","4","4","1","2","2","1") = "6"
    & skf21("5","7","4","4","1","2","3","1") = "6"
    & skf21("5","7","4","4","1","2","4","1") = "6"
    & skf21("5","7","4","4","1","2","5","1") = "6"
    & skf21("5","7","4","4","1","2","6","1") = "6"
    & skf21("5","7","4","4","1","2","7","1") = "6"
    & skf21("5","7","4","4","1","3","1","1") = "6"
    & skf21("5","7","4","4","1","3","2","1") = "6"
    & skf21("5","7","4","4","1","3","3","1") = "6"
    & skf21("5","7","4","4","1","3","4","1") = "6"
    & skf21("5","7","4","4","1","3","5","1") = "6"
    & skf21("5","7","4","4","1","3","6","1") = "6"
    & skf21("5","7","4","4","1","3","7","1") = "6"
    & skf21("5","7","4","4","1","4","1","1") = "6"
    & skf21("5","7","4","4","1","4","2","1") = "6"
    & skf21("5","7","4","4","1","4","3","1") = "6"
    & skf21("5","7","4","4","1","4","4","1") = "6"
    & skf21("5","7","4","4","1","4","5","1") = "6"
    & skf21("5","7","4","4","1","4","6","1") = "6"
    & skf21("5","7","4","4","1","4","7","1") = "6"
    & skf21("5","7","4","4","1","5","1","1") = "6"
    & skf21("5","7","4","4","1","5","2","1") = "6"
    & skf21("5","7","4","4","1","5","3","1") = "6"
    & skf21("5","7","4","4","1","5","4","1") = "6"
    & skf21("5","7","4","4","1","5","5","1") = "6"
    & skf21("5","7","4","4","1","5","6","1") = "6"
    & skf21("5","7","4","4","1","5","7","1") = "6"
    & skf21("5","7","4","4","1","6","1","1") = "6"
    & skf21("5","7","4","4","1","6","2","1") = "6"
    & skf21("5","7","4","4","1","6","3","1") = "6"
    & skf21("5","7","4","4","1","6","4","1") = "6"
    & skf21("5","7","4","4","1","6","5","1") = "6"
    & skf21("5","7","4","4","1","6","6","1") = "6"
    & skf21("5","7","4","4","1","6","7","1") = "6"
    & skf21("5","7","4","4","1","7","1","1") = "6"
    & skf21("5","7","4","4","1","7","2","1") = "6"
    & skf21("5","7","4","4","1","7","3","1") = "6"
    & skf21("5","7","4","4","1","7","4","1") = "6"
    & skf21("5","7","4","4","1","7","5","1") = "6"
    & skf21("5","7","4","4","1","7","6","1") = "6"
    & skf21("5","7","4","4","1","7","7","1") = "6"
    & skf21("5","7","4","4","2","1","1","1") = "6"
    & skf21("5","7","4","4","2","1","2","1") = "6"
    & skf21("5","7","4","4","2","1","3","1") = "6"
    & skf21("5","7","4","4","2","1","4","1") = "6"
    & skf21("5","7","4","4","2","1","5","1") = "6"
    & skf21("5","7","4","4","2","1","6","1") = "6"
    & skf21("5","7","4","4","2","1","7","1") = "6"
    & skf21("5","7","4","4","2","2","1","1") = "6"
    & skf21("5","7","4","4","2","2","2","1") = "6"
    & skf21("5","7","4","4","2","2","3","1") = "6"
    & skf21("5","7","4","4","2","2","4","1") = "6"
    & skf21("5","7","4","4","2","2","5","1") = "6"
    & skf21("5","7","4","4","2","2","6","1") = "6"
    & skf21("5","7","4","4","2","2","7","1") = "6"
    & skf21("5","7","4","4","2","3","1","1") = "6"
    & skf21("5","7","4","4","2","3","2","1") = "6"
    & skf21("5","7","4","4","2","3","3","1") = "6"
    & skf21("5","7","4","4","2","3","4","1") = "6"
    & skf21("5","7","4","4","2","3","5","1") = "6"
    & skf21("5","7","4","4","2","3","6","1") = "6"
    & skf21("5","7","4","4","2","3","7","1") = "6"
    & skf21("5","7","4","4","2","4","1","1") = "6"
    & skf21("5","7","4","4","2","4","2","1") = "6"
    & skf21("5","7","4","4","2","4","3","1") = "6"
    & skf21("5","7","4","4","2","4","4","1") = "6"
    & skf21("5","7","4","4","2","4","5","1") = "6"
    & skf21("5","7","4","4","2","4","6","1") = "6"
    & skf21("5","7","4","4","2","4","7","1") = "6"
    & skf21("5","7","4","4","2","5","1","1") = "6"
    & skf21("5","7","4","4","2","5","2","1") = "6"
    & skf21("5","7","4","4","2","5","3","1") = "6"
    & skf21("5","7","4","4","2","5","4","1") = "6"
    & skf21("5","7","4","4","2","5","5","1") = "6"
    & skf21("5","7","4","4","2","5","6","1") = "6"
    & skf21("5","7","4","4","2","5","7","1") = "6"
    & skf21("5","7","4","4","2","6","1","1") = "6"
    & skf21("5","7","4","4","2","6","2","1") = "6"
    & skf21("5","7","4","4","2","6","3","1") = "6"
    & skf21("5","7","4","4","2","6","4","1") = "6"
    & skf21("5","7","4","4","2","6","5","1") = "6"
    & skf21("5","7","4","4","2","6","6","1") = "6"
    & skf21("5","7","4","4","2","6","7","1") = "6"
    & skf21("5","7","4","4","2","7","1","1") = "6"
    & skf21("5","7","4","4","2","7","2","1") = "6"
    & skf21("5","7","4","4","2","7","3","1") = "6"
    & skf21("5","7","4","4","2","7","4","1") = "6"
    & skf21("5","7","4","4","2","7","5","1") = "6"
    & skf21("5","7","4","4","2","7","6","1") = "6"
    & skf21("5","7","4","4","2","7","7","1") = "6"
    & skf21("5","7","4","4","3","1","1","1") = "6"
    & skf21("5","7","4","4","3","1","2","1") = "6"
    & skf21("5","7","4","4","3","1","3","1") = "6"
    & skf21("5","7","4","4","3","1","4","1") = "6"
    & skf21("5","7","4","4","3","1","5","1") = "6"
    & skf21("5","7","4","4","3","1","6","1") = "6"
    & skf21("5","7","4","4","3","1","7","1") = "6"
    & skf21("5","7","4","4","3","2","1","1") = "6"
    & skf21("5","7","4","4","3","2","2","1") = "6"
    & skf21("5","7","4","4","3","2","3","1") = "6"
    & skf21("5","7","4","4","3","2","4","1") = "6"
    & skf21("5","7","4","4","3","2","5","1") = "6"
    & skf21("5","7","4","4","3","2","6","1") = "6"
    & skf21("5","7","4","4","3","2","7","1") = "6"
    & skf21("5","7","4","4","3","3","1","1") = "6"
    & skf21("5","7","4","4","3","3","2","1") = "6"
    & skf21("5","7","4","4","3","3","3","1") = "6"
    & skf21("5","7","4","4","3","3","4","1") = "6"
    & skf21("5","7","4","4","3","3","5","1") = "6"
    & skf21("5","7","4","4","3","3","6","1") = "6"
    & skf21("5","7","4","4","3","3","7","1") = "6"
    & skf21("5","7","4","4","3","4","1","1") = "6"
    & skf21("5","7","4","4","3","4","2","1") = "6"
    & skf21("5","7","4","4","3","4","3","1") = "6"
    & skf21("5","7","4","4","3","4","4","1") = "6"
    & skf21("5","7","4","4","3","4","5","1") = "6"
    & skf21("5","7","4","4","3","4","6","1") = "6"
    & skf21("5","7","4","4","3","4","7","1") = "6"
    & skf21("5","7","4","4","3","5","1","1") = "6"
    & skf21("5","7","4","4","3","5","2","1") = "6"
    & skf21("5","7","4","4","3","5","3","1") = "6"
    & skf21("5","7","4","4","3","5","4","1") = "6"
    & skf21("5","7","4","4","3","5","5","1") = "6"
    & skf21("5","7","4","4","3","5","6","1") = "6"
    & skf21("5","7","4","4","3","5","7","1") = "6"
    & skf21("5","7","4","4","3","6","1","1") = "6"
    & skf21("5","7","4","4","3","6","2","1") = "6"
    & skf21("5","7","4","4","3","6","3","1") = "6"
    & skf21("5","7","4","4","3","6","4","1") = "6"
    & skf21("5","7","4","4","3","6","5","1") = "6"
    & skf21("5","7","4","4","3","6","6","1") = "6"
    & skf21("5","7","4","4","3","6","7","1") = "6"
    & skf21("5","7","4","4","3","7","1","1") = "6"
    & skf21("5","7","4","4","3","7","2","1") = "6"
    & skf21("5","7","4","4","3","7","3","1") = "6"
    & skf21("5","7","4","4","3","7","4","1") = "6"
    & skf21("5","7","4","4","3","7","5","1") = "6"
    & skf21("5","7","4","4","3","7","6","1") = "6"
    & skf21("5","7","4","4","3","7","7","1") = "6"
    & skf21("5","7","4","4","4","1","1","1") = "6"
    & skf21("5","7","4","4","4","1","2","1") = "6"
    & skf21("5","7","4","4","4","1","3","1") = "6"
    & skf21("5","7","4","4","4","1","4","1") = "6"
    & skf21("5","7","4","4","4","1","5","1") = "6"
    & skf21("5","7","4","4","4","1","6","1") = "6"
    & skf21("5","7","4","4","4","1","7","1") = "6"
    & skf21("5","7","4","4","4","2","1","1") = "6"
    & skf21("5","7","4","4","4","2","2","1") = "6"
    & skf21("5","7","4","4","4","2","3","1") = "6"
    & skf21("5","7","4","4","4","2","4","1") = "6"
    & skf21("5","7","4","4","4","2","5","1") = "6"
    & skf21("5","7","4","4","4","2","6","1") = "6"
    & skf21("5","7","4","4","4","2","7","1") = "6"
    & skf21("5","7","4","4","4","3","1","1") = "6"
    & skf21("5","7","4","4","4","3","2","1") = "6"
    & skf21("5","7","4","4","4","3","3","1") = "6"
    & skf21("5","7","4","4","4","3","4","1") = "6"
    & skf21("5","7","4","4","4","3","5","1") = "6"
    & skf21("5","7","4","4","4","3","6","1") = "6"
    & skf21("5","7","4","4","4","3","7","1") = "6"
    & skf21("5","7","4","4","4","4","1","1") = "6"
    & skf21("5","7","4","4","4","4","2","1") = "6"
    & skf21("5","7","4","4","4","4","3","1") = "6"
    & skf21("5","7","4","4","4","4","4","1") = "6"
    & skf21("5","7","4","4","4","4","5","1") = "6"
    & skf21("5","7","4","4","4","4","6","1") = "6"
    & skf21("5","7","4","4","4","4","7","1") = "6"
    & skf21("5","7","4","4","4","5","1","1") = "6"
    & skf21("5","7","4","4","4","5","2","1") = "6"
    & skf21("5","7","4","4","4","5","3","1") = "6"
    & skf21("5","7","4","4","4","5","4","1") = "6"
    & skf21("5","7","4","4","4","5","5","1") = "6"
    & skf21("5","7","4","4","4","5","6","1") = "6"
    & skf21("5","7","4","4","4","5","7","1") = "6"
    & skf21("5","7","4","4","4","6","1","1") = "6"
    & skf21("5","7","4","4","4","6","2","1") = "6"
    & skf21("5","7","4","4","4","6","3","1") = "6"
    & skf21("5","7","4","4","4","6","4","1") = "6"
    & skf21("5","7","4","4","4","6","5","1") = "6"
    & skf21("5","7","4","4","4","6","6","1") = "6"
    & skf21("5","7","4","4","4","6","7","1") = "6"
    & skf21("5","7","4","4","4","7","1","1") = "6"
    & skf21("5","7","4","4","4","7","2","1") = "6"
    & skf21("5","7","4","4","4","7","3","1") = "6"
    & skf21("5","7","4","4","4","7","4","1") = "6"
    & skf21("5","7","4","4","4","7","5","1") = "6"
    & skf21("5","7","4","4","4","7","6","1") = "6"
    & skf21("5","7","4","4","4","7","7","1") = "6"
    & skf21("5","7","4","4","5","1","1","1") = "6"
    & skf21("5","7","4","4","5","1","2","1") = "6"
    & skf21("5","7","4","4","5","1","3","1") = "6"
    & skf21("5","7","4","4","5","1","4","1") = "6"
    & skf21("5","7","4","4","5","1","5","1") = "6"
    & skf21("5","7","4","4","5","1","6","1") = "6"
    & skf21("5","7","4","4","5","1","7","1") = "6"
    & skf21("5","7","4","4","5","2","1","1") = "6"
    & skf21("5","7","4","4","5","2","2","1") = "6"
    & skf21("5","7","4","4","5","2","3","1") = "6"
    & skf21("5","7","4","4","5","2","4","1") = "6"
    & skf21("5","7","4","4","5","2","5","1") = "6"
    & skf21("5","7","4","4","5","2","6","1") = "6"
    & skf21("5","7","4","4","5","2","7","1") = "6"
    & skf21("5","7","4","4","5","3","1","1") = "6"
    & skf21("5","7","4","4","5","3","2","1") = "6"
    & skf21("5","7","4","4","5","3","3","1") = "6"
    & skf21("5","7","4","4","5","3","4","1") = "6"
    & skf21("5","7","4","4","5","3","5","1") = "6"
    & skf21("5","7","4","4","5","3","6","1") = "6"
    & skf21("5","7","4","4","5","3","7","1") = "6"
    & skf21("5","7","4","4","5","4","1","1") = "6"
    & skf21("5","7","4","4","5","4","2","1") = "6"
    & skf21("5","7","4","4","5","4","3","1") = "6"
    & skf21("5","7","4","4","5","4","4","1") = "6"
    & skf21("5","7","4","4","5","4","5","1") = "6"
    & skf21("5","7","4","4","5","4","6","1") = "6"
    & skf21("5","7","4","4","5","4","7","1") = "6"
    & skf21("5","7","4","4","5","5","1","1") = "6"
    & skf21("5","7","4","4","5","5","2","1") = "6"
    & skf21("5","7","4","4","5","5","3","1") = "6"
    & skf21("5","7","4","4","5","5","4","1") = "6"
    & skf21("5","7","4","4","5","5","5","1") = "6"
    & skf21("5","7","4","4","5","5","6","1") = "6"
    & skf21("5","7","4","4","5","5","7","1") = "6"
    & skf21("5","7","4","4","5","6","1","1") = "6"
    & skf21("5","7","4","4","5","6","2","1") = "6"
    & skf21("5","7","4","4","5","6","3","1") = "6"
    & skf21("5","7","4","4","5","6","4","1") = "6"
    & skf21("5","7","4","4","5","6","5","1") = "6"
    & skf21("5","7","4","4","5","6","6","1") = "6"
    & skf21("5","7","4","4","5","6","7","1") = "6"
    & skf21("5","7","4","4","5","7","1","1") = "6"
    & skf21("5","7","4","4","5","7","2","1") = "6"
    & skf21("5","7","4","4","5","7","3","1") = "6"
    & skf21("5","7","4","4","5","7","4","1") = "6"
    & skf21("5","7","4","4","5","7","5","1") = "6"
    & skf21("5","7","4","4","5","7","6","1") = "6"
    & skf21("5","7","4","4","5","7","7","1") = "6"
    & skf21("5","7","4","4","6","1","1","1") = "6"
    & skf21("5","7","4","4","6","1","2","1") = "6"
    & skf21("5","7","4","4","6","1","3","1") = "6"
    & skf21("5","7","4","4","6","1","4","1") = "6"
    & skf21("5","7","4","4","6","1","5","1") = "6"
    & skf21("5","7","4","4","6","1","6","1") = "6"
    & skf21("5","7","4","4","6","1","7","1") = "6"
    & skf21("5","7","4","4","6","2","1","1") = "6"
    & skf21("5","7","4","4","6","2","2","1") = "6"
    & skf21("5","7","4","4","6","2","3","1") = "6"
    & skf21("5","7","4","4","6","2","4","1") = "6"
    & skf21("5","7","4","4","6","2","5","1") = "6"
    & skf21("5","7","4","4","6","2","6","1") = "6"
    & skf21("5","7","4","4","6","2","7","1") = "6"
    & skf21("5","7","4","4","6","3","1","1") = "6"
    & skf21("5","7","4","4","6","3","2","1") = "6"
    & skf21("5","7","4","4","6","3","3","1") = "6"
    & skf21("5","7","4","4","6","3","4","1") = "6"
    & skf21("5","7","4","4","6","3","5","1") = "6"
    & skf21("5","7","4","4","6","3","6","1") = "6"
    & skf21("5","7","4","4","6","3","7","1") = "6"
    & skf21("5","7","4","4","6","4","1","1") = "6"
    & skf21("5","7","4","4","6","4","2","1") = "6"
    & skf21("5","7","4","4","6","4","3","1") = "6"
    & skf21("5","7","4","4","6","4","4","1") = "6"
    & skf21("5","7","4","4","6","4","5","1") = "6"
    & skf21("5","7","4","4","6","4","6","1") = "6"
    & skf21("5","7","4","4","6","4","7","1") = "6"
    & skf21("5","7","4","4","6","5","1","1") = "6"
    & skf21("5","7","4","4","6","5","2","1") = "6"
    & skf21("5","7","4","4","6","5","3","1") = "6"
    & skf21("5","7","4","4","6","5","4","1") = "6"
    & skf21("5","7","4","4","6","5","5","1") = "6"
    & skf21("5","7","4","4","6","5","6","1") = "6"
    & skf21("5","7","4","4","6","5","7","1") = "6"
    & skf21("5","7","4","4","6","6","1","1") = "6"
    & skf21("5","7","4","4","6","6","2","1") = "6"
    & skf21("5","7","4","4","6","6","3","1") = "6"
    & skf21("5","7","4","4","6","6","4","1") = "6"
    & skf21("5","7","4","4","6","6","5","1") = "6"
    & skf21("5","7","4","4","6","6","6","1") = "6"
    & skf21("5","7","4","4","6","6","7","1") = "6"
    & skf21("5","7","4","4","6","7","1","1") = "6"
    & skf21("5","7","4","4","6","7","2","1") = "6"
    & skf21("5","7","4","4","6","7","3","1") = "6"
    & skf21("5","7","4","4","6","7","4","1") = "6"
    & skf21("5","7","4","4","6","7","5","1") = "6"
    & skf21("5","7","4","4","6","7","6","1") = "6"
    & skf21("5","7","4","4","6","7","7","1") = "6"
    & skf21("5","7","4","4","7","1","1","1") = "6"
    & skf21("5","7","4","4","7","1","2","1") = "6"
    & skf21("5","7","4","4","7","1","3","1") = "6"
    & skf21("5","7","4","4","7","1","4","1") = "6"
    & skf21("5","7","4","4","7","1","5","1") = "6"
    & skf21("5","7","4","4","7","1","6","1") = "6"
    & skf21("5","7","4","4","7","1","7","1") = "6"
    & skf21("5","7","4","4","7","2","1","1") = "6"
    & skf21("5","7","4","4","7","2","2","1") = "6"
    & skf21("5","7","4","4","7","2","3","1") = "6"
    & skf21("5","7","4","4","7","2","4","1") = "6"
    & skf21("5","7","4","4","7","2","5","1") = "6"
    & skf21("5","7","4","4","7","2","6","1") = "6"
    & skf21("5","7","4","4","7","2","7","1") = "6"
    & skf21("5","7","4","4","7","3","1","1") = "6"
    & skf21("5","7","4","4","7","3","2","1") = "6"
    & skf21("5","7","4","4","7","3","3","1") = "6"
    & skf21("5","7","4","4","7","3","4","1") = "6"
    & skf21("5","7","4","4","7","3","5","1") = "6"
    & skf21("5","7","4","4","7","3","6","1") = "6"
    & skf21("5","7","4","4","7","3","7","1") = "6"
    & skf21("5","7","4","4","7","4","1","1") = "6"
    & skf21("5","7","4","4","7","4","2","1") = "6"
    & skf21("5","7","4","4","7","4","3","1") = "6"
    & skf21("5","7","4","4","7","4","4","1") = "6"
    & skf21("5","7","4","4","7","4","5","1") = "6"
    & skf21("5","7","4","4","7","4","6","1") = "6"
    & skf21("5","7","4","4","7","4","7","1") = "6"
    & skf21("5","7","4","4","7","5","1","1") = "6"
    & skf21("5","7","4","4","7","5","2","1") = "6"
    & skf21("5","7","4","4","7","5","3","1") = "6"
    & skf21("5","7","4","4","7","5","4","1") = "6"
    & skf21("5","7","4","4","7","5","5","1") = "6"
    & skf21("5","7","4","4","7","5","6","1") = "6"
    & skf21("5","7","4","4","7","5","7","1") = "6"
    & skf21("5","7","4","4","7","6","1","1") = "6"
    & skf21("5","7","4","4","7","6","2","1") = "6"
    & skf21("5","7","4","4","7","6","3","1") = "6"
    & skf21("5","7","4","4","7","6","4","1") = "6"
    & skf21("5","7","4","4","7","6","5","1") = "6"
    & skf21("5","7","4","4","7","6","6","1") = "6"
    & skf21("5","7","4","4","7","6","7","1") = "6"
    & skf21("5","7","4","4","7","7","1","1") = "6"
    & skf21("5","7","4","4","7","7","2","1") = "6"
    & skf21("5","7","4","4","7","7","3","1") = "6"
    & skf21("5","7","4","4","7","7","4","1") = "6"
    & skf21("5","7","4","4","7","7","5","1") = "6"
    & skf21("5","7","4","4","7","7","6","1") = "6"
    & skf21("5","7","4","4","7","7","7","1") = "6"
    & skf21("5","7","4","5","1","1","1","1") = "6"
    & skf21("5","7","4","5","1","1","2","1") = "6"
    & skf21("5","7","4","5","1","1","3","1") = "6"
    & skf21("5","7","4","5","1","1","4","1") = "6"
    & skf21("5","7","4","5","1","1","5","1") = "6"
    & skf21("5","7","4","5","1","1","6","1") = "6"
    & skf21("5","7","4","5","1","1","7","1") = "6"
    & skf21("5","7","4","5","1","2","1","1") = "6"
    & skf21("5","7","4","5","1","2","2","1") = "6"
    & skf21("5","7","4","5","1","2","3","1") = "6"
    & skf21("5","7","4","5","1","2","4","1") = "6"
    & skf21("5","7","4","5","1","2","5","1") = "6"
    & skf21("5","7","4","5","1","2","6","1") = "6"
    & skf21("5","7","4","5","1","2","7","1") = "6"
    & skf21("5","7","4","5","1","3","1","1") = "6"
    & skf21("5","7","4","5","1","3","2","1") = "6"
    & skf21("5","7","4","5","1","3","3","1") = "6"
    & skf21("5","7","4","5","1","3","4","1") = "6"
    & skf21("5","7","4","5","1","3","5","1") = "6"
    & skf21("5","7","4","5","1","3","6","1") = "6"
    & skf21("5","7","4","5","1","3","7","1") = "6"
    & skf21("5","7","4","5","1","4","1","1") = "6"
    & skf21("5","7","4","5","1","4","2","1") = "6"
    & skf21("5","7","4","5","1","4","3","1") = "6"
    & skf21("5","7","4","5","1","4","4","1") = "6"
    & skf21("5","7","4","5","1","4","5","1") = "6"
    & skf21("5","7","4","5","1","4","6","1") = "6"
    & skf21("5","7","4","5","1","4","7","1") = "6"
    & skf21("5","7","4","5","1","5","1","1") = "6"
    & skf21("5","7","4","5","1","5","2","1") = "6"
    & skf21("5","7","4","5","1","5","3","1") = "6"
    & skf21("5","7","4","5","1","5","4","1") = "6"
    & skf21("5","7","4","5","1","5","5","1") = "6"
    & skf21("5","7","4","5","1","5","6","1") = "6"
    & skf21("5","7","4","5","1","5","7","1") = "6"
    & skf21("5","7","4","5","1","6","1","1") = "6"
    & skf21("5","7","4","5","1","6","2","1") = "6"
    & skf21("5","7","4","5","1","6","3","1") = "6"
    & skf21("5","7","4","5","1","6","4","1") = "6"
    & skf21("5","7","4","5","1","6","5","1") = "6"
    & skf21("5","7","4","5","1","6","6","1") = "6"
    & skf21("5","7","4","5","1","6","7","1") = "6"
    & skf21("5","7","4","5","1","7","1","1") = "6"
    & skf21("5","7","4","5","1","7","2","1") = "6"
    & skf21("5","7","4","5","1","7","3","1") = "6"
    & skf21("5","7","4","5","1","7","4","1") = "6"
    & skf21("5","7","4","5","1","7","5","1") = "6"
    & skf21("5","7","4","5","1","7","6","1") = "6"
    & skf21("5","7","4","5","1","7","7","1") = "6"
    & skf21("5","7","4","5","2","1","1","1") = "6"
    & skf21("5","7","4","5","2","1","2","1") = "6"
    & skf21("5","7","4","5","2","1","3","1") = "6"
    & skf21("5","7","4","5","2","1","4","1") = "6"
    & skf21("5","7","4","5","2","1","5","1") = "6"
    & skf21("5","7","4","5","2","1","6","1") = "6"
    & skf21("5","7","4","5","2","1","7","1") = "6"
    & skf21("5","7","4","5","2","2","1","1") = "6"
    & skf21("5","7","4","5","2","2","2","1") = "6"
    & skf21("5","7","4","5","2","2","3","1") = "6"
    & skf21("5","7","4","5","2","2","4","1") = "6"
    & skf21("5","7","4","5","2","2","5","1") = "6"
    & skf21("5","7","4","5","2","2","6","1") = "6"
    & skf21("5","7","4","5","2","2","7","1") = "6"
    & skf21("5","7","4","5","2","3","1","1") = "6"
    & skf21("5","7","4","5","2","3","2","1") = "6"
    & skf21("5","7","4","5","2","3","3","1") = "6"
    & skf21("5","7","4","5","2","3","4","1") = "6"
    & skf21("5","7","4","5","2","3","5","1") = "6"
    & skf21("5","7","4","5","2","3","6","1") = "6"
    & skf21("5","7","4","5","2","3","7","1") = "6"
    & skf21("5","7","4","5","2","4","1","1") = "6"
    & skf21("5","7","4","5","2","4","2","1") = "6"
    & skf21("5","7","4","5","2","4","3","1") = "6"
    & skf21("5","7","4","5","2","4","4","1") = "6"
    & skf21("5","7","4","5","2","4","5","1") = "6"
    & skf21("5","7","4","5","2","4","6","1") = "6"
    & skf21("5","7","4","5","2","4","7","1") = "6"
    & skf21("5","7","4","5","2","5","1","1") = "6"
    & skf21("5","7","4","5","2","5","2","1") = "6"
    & skf21("5","7","4","5","2","5","3","1") = "6"
    & skf21("5","7","4","5","2","5","4","1") = "6"
    & skf21("5","7","4","5","2","5","5","1") = "6"
    & skf21("5","7","4","5","2","5","6","1") = "6"
    & skf21("5","7","4","5","2","5","7","1") = "6"
    & skf21("5","7","4","5","2","6","1","1") = "6"
    & skf21("5","7","4","5","2","6","2","1") = "6"
    & skf21("5","7","4","5","2","6","3","1") = "6"
    & skf21("5","7","4","5","2","6","4","1") = "6"
    & skf21("5","7","4","5","2","6","5","1") = "6"
    & skf21("5","7","4","5","2","6","6","1") = "6"
    & skf21("5","7","4","5","2","6","7","1") = "6"
    & skf21("5","7","4","5","2","7","1","1") = "6"
    & skf21("5","7","4","5","2","7","2","1") = "6"
    & skf21("5","7","4","5","2","7","3","1") = "6"
    & skf21("5","7","4","5","2","7","4","1") = "6"
    & skf21("5","7","4","5","2","7","5","1") = "6"
    & skf21("5","7","4","5","2","7","6","1") = "6"
    & skf21("5","7","4","5","2","7","7","1") = "6"
    & skf21("5","7","4","5","3","1","1","1") = "6"
    & skf21("5","7","4","5","3","1","2","1") = "6"
    & skf21("5","7","4","5","3","1","3","1") = "6"
    & skf21("5","7","4","5","3","1","4","1") = "6"
    & skf21("5","7","4","5","3","1","5","1") = "6"
    & skf21("5","7","4","5","3","1","6","1") = "6"
    & skf21("5","7","4","5","3","1","7","1") = "6"
    & skf21("5","7","4","5","3","2","1","1") = "6"
    & skf21("5","7","4","5","3","2","2","1") = "6"
    & skf21("5","7","4","5","3","2","3","1") = "6"
    & skf21("5","7","4","5","3","2","4","1") = "6"
    & skf21("5","7","4","5","3","2","5","1") = "6"
    & skf21("5","7","4","5","3","2","6","1") = "6"
    & skf21("5","7","4","5","3","2","7","1") = "6"
    & skf21("5","7","4","5","3","3","1","1") = "6"
    & skf21("5","7","4","5","3","3","2","1") = "6"
    & skf21("5","7","4","5","3","3","3","1") = "6"
    & skf21("5","7","4","5","3","3","4","1") = "6"
    & skf21("5","7","4","5","3","3","5","1") = "6"
    & skf21("5","7","4","5","3","3","6","1") = "6"
    & skf21("5","7","4","5","3","3","7","1") = "6"
    & skf21("5","7","4","5","3","4","1","1") = "6"
    & skf21("5","7","4","5","3","4","2","1") = "6"
    & skf21("5","7","4","5","3","4","3","1") = "6"
    & skf21("5","7","4","5","3","4","4","1") = "6"
    & skf21("5","7","4","5","3","4","5","1") = "6"
    & skf21("5","7","4","5","3","4","6","1") = "6"
    & skf21("5","7","4","5","3","4","7","1") = "6"
    & skf21("5","7","4","5","3","5","1","1") = "6"
    & skf21("5","7","4","5","3","5","2","1") = "6"
    & skf21("5","7","4","5","3","5","3","1") = "6"
    & skf21("5","7","4","5","3","5","4","1") = "6"
    & skf21("5","7","4","5","3","5","5","1") = "6"
    & skf21("5","7","4","5","3","5","6","1") = "6"
    & skf21("5","7","4","5","3","5","7","1") = "6"
    & skf21("5","7","4","5","3","6","1","1") = "6"
    & skf21("5","7","4","5","3","6","2","1") = "6"
    & skf21("5","7","4","5","3","6","3","1") = "6"
    & skf21("5","7","4","5","3","6","4","1") = "6"
    & skf21("5","7","4","5","3","6","5","1") = "6"
    & skf21("5","7","4","5","3","6","6","1") = "6"
    & skf21("5","7","4","5","3","6","7","1") = "6"
    & skf21("5","7","4","5","3","7","1","1") = "6"
    & skf21("5","7","4","5","3","7","2","1") = "6"
    & skf21("5","7","4","5","3","7","3","1") = "6"
    & skf21("5","7","4","5","3","7","4","1") = "6"
    & skf21("5","7","4","5","3","7","5","1") = "6"
    & skf21("5","7","4","5","3","7","6","1") = "6"
    & skf21("5","7","4","5","3","7","7","1") = "6"
    & skf21("5","7","4","5","4","1","1","1") = "6"
    & skf21("5","7","4","5","4","1","2","1") = "6"
    & skf21("5","7","4","5","4","1","3","1") = "6"
    & skf21("5","7","4","5","4","1","4","1") = "6"
    & skf21("5","7","4","5","4","1","5","1") = "6"
    & skf21("5","7","4","5","4","1","6","1") = "6"
    & skf21("5","7","4","5","4","1","7","1") = "6"
    & skf21("5","7","4","5","4","2","1","1") = "6"
    & skf21("5","7","4","5","4","2","2","1") = "6"
    & skf21("5","7","4","5","4","2","3","1") = "6"
    & skf21("5","7","4","5","4","2","4","1") = "6"
    & skf21("5","7","4","5","4","2","5","1") = "6"
    & skf21("5","7","4","5","4","2","6","1") = "6"
    & skf21("5","7","4","5","4","2","7","1") = "6"
    & skf21("5","7","4","5","4","3","1","1") = "6"
    & skf21("5","7","4","5","4","3","2","1") = "6"
    & skf21("5","7","4","5","4","3","3","1") = "6"
    & skf21("5","7","4","5","4","3","4","1") = "6"
    & skf21("5","7","4","5","4","3","5","1") = "6"
    & skf21("5","7","4","5","4","3","6","1") = "6"
    & skf21("5","7","4","5","4","3","7","1") = "6"
    & skf21("5","7","4","5","4","4","1","1") = "6"
    & skf21("5","7","4","5","4","4","2","1") = "6"
    & skf21("5","7","4","5","4","4","3","1") = "6"
    & skf21("5","7","4","5","4","4","4","1") = "6"
    & skf21("5","7","4","5","4","4","5","1") = "6"
    & skf21("5","7","4","5","4","4","6","1") = "6"
    & skf21("5","7","4","5","4","4","7","1") = "6"
    & skf21("5","7","4","5","4","5","1","1") = "6"
    & skf21("5","7","4","5","4","5","2","1") = "6"
    & skf21("5","7","4","5","4","5","3","1") = "6"
    & skf21("5","7","4","5","4","5","4","1") = "6"
    & skf21("5","7","4","5","4","5","5","1") = "6"
    & skf21("5","7","4","5","4","5","6","1") = "6"
    & skf21("5","7","4","5","4","5","7","1") = "6"
    & skf21("5","7","4","5","4","6","1","1") = "6"
    & skf21("5","7","4","5","4","6","2","1") = "6"
    & skf21("5","7","4","5","4","6","3","1") = "6"
    & skf21("5","7","4","5","4","6","4","1") = "6"
    & skf21("5","7","4","5","4","6","5","1") = "6"
    & skf21("5","7","4","5","4","6","6","1") = "6"
    & skf21("5","7","4","5","4","6","7","1") = "6"
    & skf21("5","7","4","5","4","7","1","1") = "6"
    & skf21("5","7","4","5","4","7","2","1") = "6"
    & skf21("5","7","4","5","4","7","3","1") = "6"
    & skf21("5","7","4","5","4","7","4","1") = "6"
    & skf21("5","7","4","5","4","7","5","1") = "6"
    & skf21("5","7","4","5","4","7","6","1") = "6"
    & skf21("5","7","4","5","4","7","7","1") = "6"
    & skf21("5","7","4","5","5","1","1","1") = "6"
    & skf21("5","7","4","5","5","1","2","1") = "6"
    & skf21("5","7","4","5","5","1","3","1") = "6"
    & skf21("5","7","4","5","5","1","4","1") = "6"
    & skf21("5","7","4","5","5","1","5","1") = "6"
    & skf21("5","7","4","5","5","1","6","1") = "6"
    & skf21("5","7","4","5","5","1","7","1") = "6"
    & skf21("5","7","4","5","5","2","1","1") = "6"
    & skf21("5","7","4","5","5","2","2","1") = "6"
    & skf21("5","7","4","5","5","2","3","1") = "6"
    & skf21("5","7","4","5","5","2","4","1") = "6"
    & skf21("5","7","4","5","5","2","5","1") = "6"
    & skf21("5","7","4","5","5","2","6","1") = "6"
    & skf21("5","7","4","5","5","2","7","1") = "6"
    & skf21("5","7","4","5","5","3","1","1") = "6"
    & skf21("5","7","4","5","5","3","2","1") = "6"
    & skf21("5","7","4","5","5","3","3","1") = "6"
    & skf21("5","7","4","5","5","3","4","1") = "6"
    & skf21("5","7","4","5","5","3","5","1") = "6"
    & skf21("5","7","4","5","5","3","6","1") = "6"
    & skf21("5","7","4","5","5","3","7","1") = "6"
    & skf21("5","7","4","5","5","4","1","1") = "6"
    & skf21("5","7","4","5","5","4","2","1") = "6"
    & skf21("5","7","4","5","5","4","3","1") = "6"
    & skf21("5","7","4","5","5","4","4","1") = "6"
    & skf21("5","7","4","5","5","4","5","1") = "6"
    & skf21("5","7","4","5","5","4","6","1") = "6"
    & skf21("5","7","4","5","5","4","7","1") = "6"
    & skf21("5","7","4","5","5","5","1","1") = "6"
    & skf21("5","7","4","5","5","5","2","1") = "6"
    & skf21("5","7","4","5","5","5","3","1") = "6"
    & skf21("5","7","4","5","5","5","4","1") = "6"
    & skf21("5","7","4","5","5","5","5","1") = "6"
    & skf21("5","7","4","5","5","5","6","1") = "6"
    & skf21("5","7","4","5","5","5","7","1") = "6"
    & skf21("5","7","4","5","5","6","1","1") = "6"
    & skf21("5","7","4","5","5","6","2","1") = "6"
    & skf21("5","7","4","5","5","6","3","1") = "6"
    & skf21("5","7","4","5","5","6","4","1") = "6"
    & skf21("5","7","4","5","5","6","5","1") = "6"
    & skf21("5","7","4","5","5","6","6","1") = "6"
    & skf21("5","7","4","5","5","6","7","1") = "6"
    & skf21("5","7","4","5","5","7","1","1") = "6"
    & skf21("5","7","4","5","5","7","2","1") = "6"
    & skf21("5","7","4","5","5","7","3","1") = "6"
    & skf21("5","7","4","5","5","7","4","1") = "6"
    & skf21("5","7","4","5","5","7","5","1") = "6"
    & skf21("5","7","4","5","5","7","6","1") = "6"
    & skf21("5","7","4","5","5","7","7","1") = "6"
    & skf21("5","7","4","5","6","1","1","1") = "6"
    & skf21("5","7","4","5","6","1","2","1") = "6"
    & skf21("5","7","4","5","6","1","3","1") = "6"
    & skf21("5","7","4","5","6","1","4","1") = "6"
    & skf21("5","7","4","5","6","1","5","1") = "6"
    & skf21("5","7","4","5","6","1","6","1") = "6"
    & skf21("5","7","4","5","6","1","7","1") = "6"
    & skf21("5","7","4","5","6","2","1","1") = "6"
    & skf21("5","7","4","5","6","2","2","1") = "6"
    & skf21("5","7","4","5","6","2","3","1") = "6"
    & skf21("5","7","4","5","6","2","4","1") = "6"
    & skf21("5","7","4","5","6","2","5","1") = "6"
    & skf21("5","7","4","5","6","2","6","1") = "6"
    & skf21("5","7","4","5","6","2","7","1") = "6"
    & skf21("5","7","4","5","6","3","1","1") = "6"
    & skf21("5","7","4","5","6","3","2","1") = "6"
    & skf21("5","7","4","5","6","3","3","1") = "6"
    & skf21("5","7","4","5","6","3","4","1") = "6"
    & skf21("5","7","4","5","6","3","5","1") = "6"
    & skf21("5","7","4","5","6","3","6","1") = "6"
    & skf21("5","7","4","5","6","3","7","1") = "6"
    & skf21("5","7","4","5","6","4","1","1") = "6"
    & skf21("5","7","4","5","6","4","2","1") = "6"
    & skf21("5","7","4","5","6","4","3","1") = "6"
    & skf21("5","7","4","5","6","4","4","1") = "6"
    & skf21("5","7","4","5","6","4","5","1") = "6"
    & skf21("5","7","4","5","6","4","6","1") = "6"
    & skf21("5","7","4","5","6","4","7","1") = "6"
    & skf21("5","7","4","5","6","5","1","1") = "6"
    & skf21("5","7","4","5","6","5","2","1") = "6"
    & skf21("5","7","4","5","6","5","3","1") = "6"
    & skf21("5","7","4","5","6","5","4","1") = "6"
    & skf21("5","7","4","5","6","5","5","1") = "6"
    & skf21("5","7","4","5","6","5","6","1") = "6"
    & skf21("5","7","4","5","6","5","7","1") = "6"
    & skf21("5","7","4","5","6","6","1","1") = "6"
    & skf21("5","7","4","5","6","6","2","1") = "6"
    & skf21("5","7","4","5","6","6","3","1") = "6"
    & skf21("5","7","4","5","6","6","4","1") = "6"
    & skf21("5","7","4","5","6","6","5","1") = "6"
    & skf21("5","7","4","5","6","6","6","1") = "6"
    & skf21("5","7","4","5","6","6","7","1") = "6"
    & skf21("5","7","4","5","6","7","1","1") = "6"
    & skf21("5","7","4","5","6","7","2","1") = "6"
    & skf21("5","7","4","5","6","7","3","1") = "6"
    & skf21("5","7","4","5","6","7","4","1") = "6"
    & skf21("5","7","4","5","6","7","5","1") = "6"
    & skf21("5","7","4","5","6","7","6","1") = "6"
    & skf21("5","7","4","5","6","7","7","1") = "6"
    & skf21("5","7","4","5","7","1","1","1") = "6"
    & skf21("5","7","4","5","7","1","2","1") = "6"
    & skf21("5","7","4","5","7","1","3","1") = "6"
    & skf21("5","7","4","5","7","1","4","1") = "6"
    & skf21("5","7","4","5","7","1","5","1") = "6"
    & skf21("5","7","4","5","7","1","6","1") = "6"
    & skf21("5","7","4","5","7","1","7","1") = "6"
    & skf21("5","7","4","5","7","2","1","1") = "6"
    & skf21("5","7","4","5","7","2","2","1") = "6"
    & skf21("5","7","4","5","7","2","3","1") = "6"
    & skf21("5","7","4","5","7","2","4","1") = "6"
    & skf21("5","7","4","5","7","2","5","1") = "6"
    & skf21("5","7","4","5","7","2","6","1") = "6"
    & skf21("5","7","4","5","7","2","7","1") = "6"
    & skf21("5","7","4","5","7","3","1","1") = "6"
    & skf21("5","7","4","5","7","3","2","1") = "6"
    & skf21("5","7","4","5","7","3","3","1") = "6"
    & skf21("5","7","4","5","7","3","4","1") = "6"
    & skf21("5","7","4","5","7","3","5","1") = "6"
    & skf21("5","7","4","5","7","3","6","1") = "6"
    & skf21("5","7","4","5","7","3","7","1") = "6"
    & skf21("5","7","4","5","7","4","1","1") = "6"
    & skf21("5","7","4","5","7","4","2","1") = "6"
    & skf21("5","7","4","5","7","4","3","1") = "6"
    & skf21("5","7","4","5","7","4","4","1") = "6"
    & skf21("5","7","4","5","7","4","5","1") = "6"
    & skf21("5","7","4","5","7","4","6","1") = "6"
    & skf21("5","7","4","5","7","4","7","1") = "6"
    & skf21("5","7","4","5","7","5","1","1") = "6"
    & skf21("5","7","4","5","7","5","2","1") = "6"
    & skf21("5","7","4","5","7","5","3","1") = "6"
    & skf21("5","7","4","5","7","5","4","1") = "6"
    & skf21("5","7","4","5","7","5","5","1") = "6"
    & skf21("5","7","4","5","7","5","6","1") = "6"
    & skf21("5","7","4","5","7","5","7","1") = "6"
    & skf21("5","7","4","5","7","6","1","1") = "6"
    & skf21("5","7","4","5","7","6","2","1") = "6"
    & skf21("5","7","4","5","7","6","3","1") = "6"
    & skf21("5","7","4","5","7","6","4","1") = "6"
    & skf21("5","7","4","5","7","6","5","1") = "6"
    & skf21("5","7","4","5","7","6","6","1") = "6"
    & skf21("5","7","4","5","7","6","7","1") = "6"
    & skf21("5","7","4","5","7","7","1","1") = "6"
    & skf21("5","7","4","5","7","7","2","1") = "6"
    & skf21("5","7","4","5","7","7","3","1") = "6"
    & skf21("5","7","4","5","7","7","4","1") = "6"
    & skf21("5","7","4","5","7","7","5","1") = "6"
    & skf21("5","7","4","5","7","7","6","1") = "6"
    & skf21("5","7","4","5","7","7","7","1") = "6"
    & skf21("5","7","4","6","1","1","1","1") = "6"
    & skf21("5","7","4","6","1","1","2","1") = "6"
    & skf21("5","7","4","6","1","1","3","1") = "6"
    & skf21("5","7","4","6","1","1","4","1") = "6"
    & skf21("5","7","4","6","1","1","5","1") = "6"
    & skf21("5","7","4","6","1","1","6","1") = "6"
    & skf21("5","7","4","6","1","1","7","1") = "6"
    & skf21("5","7","4","6","1","2","1","1") = "6"
    & skf21("5","7","4","6","1","2","2","1") = "6"
    & skf21("5","7","4","6","1","2","3","1") = "6"
    & skf21("5","7","4","6","1","2","4","1") = "6"
    & skf21("5","7","4","6","1","2","5","1") = "6"
    & skf21("5","7","4","6","1","2","6","1") = "6"
    & skf21("5","7","4","6","1","2","7","1") = "6"
    & skf21("5","7","4","6","1","3","1","1") = "6"
    & skf21("5","7","4","6","1","3","2","1") = "6"
    & skf21("5","7","4","6","1","3","3","1") = "6"
    & skf21("5","7","4","6","1","3","4","1") = "6"
    & skf21("5","7","4","6","1","3","5","1") = "6"
    & skf21("5","7","4","6","1","3","6","1") = "6"
    & skf21("5","7","4","6","1","3","7","1") = "6"
    & skf21("5","7","4","6","1","4","1","1") = "6"
    & skf21("5","7","4","6","1","4","2","1") = "6"
    & skf21("5","7","4","6","1","4","3","1") = "6"
    & skf21("5","7","4","6","1","4","4","1") = "6"
    & skf21("5","7","4","6","1","4","5","1") = "6"
    & skf21("5","7","4","6","1","4","6","1") = "6"
    & skf21("5","7","4","6","1","4","7","1") = "6"
    & skf21("5","7","4","6","1","5","1","1") = "6"
    & skf21("5","7","4","6","1","5","2","1") = "6"
    & skf21("5","7","4","6","1","5","3","1") = "6"
    & skf21("5","7","4","6","1","5","4","1") = "6"
    & skf21("5","7","4","6","1","5","5","1") = "6"
    & skf21("5","7","4","6","1","5","6","1") = "6"
    & skf21("5","7","4","6","1","5","7","1") = "6"
    & skf21("5","7","4","6","1","6","1","1") = "6"
    & skf21("5","7","4","6","1","6","2","1") = "6"
    & skf21("5","7","4","6","1","6","3","1") = "6"
    & skf21("5","7","4","6","1","6","4","1") = "6"
    & skf21("5","7","4","6","1","6","5","1") = "6"
    & skf21("5","7","4","6","1","6","6","1") = "6"
    & skf21("5","7","4","6","1","6","7","1") = "6"
    & skf21("5","7","4","6","1","7","1","1") = "6"
    & skf21("5","7","4","6","1","7","2","1") = "6"
    & skf21("5","7","4","6","1","7","3","1") = "6"
    & skf21("5","7","4","6","1","7","4","1") = "6"
    & skf21("5","7","4","6","1","7","5","1") = "6"
    & skf21("5","7","4","6","1","7","6","1") = "6"
    & skf21("5","7","4","6","1","7","7","1") = "6"
    & skf21("5","7","4","6","2","1","1","1") = "6"
    & skf21("5","7","4","6","2","1","2","1") = "6"
    & skf21("5","7","4","6","2","1","3","1") = "6"
    & skf21("5","7","4","6","2","1","4","1") = "6"
    & skf21("5","7","4","6","2","1","5","1") = "6"
    & skf21("5","7","4","6","2","1","6","1") = "6"
    & skf21("5","7","4","6","2","1","7","1") = "6"
    & skf21("5","7","4","6","2","2","1","1") = "6"
    & skf21("5","7","4","6","2","2","2","1") = "6"
    & skf21("5","7","4","6","2","2","3","1") = "6"
    & skf21("5","7","4","6","2","2","4","1") = "6"
    & skf21("5","7","4","6","2","2","5","1") = "6"
    & skf21("5","7","4","6","2","2","6","1") = "6"
    & skf21("5","7","4","6","2","2","7","1") = "6"
    & skf21("5","7","4","6","2","3","1","1") = "6"
    & skf21("5","7","4","6","2","3","2","1") = "6"
    & skf21("5","7","4","6","2","3","3","1") = "6"
    & skf21("5","7","4","6","2","3","4","1") = "6"
    & skf21("5","7","4","6","2","3","5","1") = "6"
    & skf21("5","7","4","6","2","3","6","1") = "6"
    & skf21("5","7","4","6","2","3","7","1") = "6"
    & skf21("5","7","4","6","2","4","1","1") = "6"
    & skf21("5","7","4","6","2","4","2","1") = "6"
    & skf21("5","7","4","6","2","4","3","1") = "6"
    & skf21("5","7","4","6","2","4","4","1") = "6"
    & skf21("5","7","4","6","2","4","5","1") = "6"
    & skf21("5","7","4","6","2","4","6","1") = "6"
    & skf21("5","7","4","6","2","4","7","1") = "6"
    & skf21("5","7","4","6","2","5","1","1") = "6"
    & skf21("5","7","4","6","2","5","2","1") = "6"
    & skf21("5","7","4","6","2","5","3","1") = "6"
    & skf21("5","7","4","6","2","5","4","1") = "6"
    & skf21("5","7","4","6","2","5","5","1") = "6"
    & skf21("5","7","4","6","2","5","6","1") = "6"
    & skf21("5","7","4","6","2","5","7","1") = "6"
    & skf21("5","7","4","6","2","6","1","1") = "6"
    & skf21("5","7","4","6","2","6","2","1") = "6"
    & skf21("5","7","4","6","2","6","3","1") = "6"
    & skf21("5","7","4","6","2","6","4","1") = "6"
    & skf21("5","7","4","6","2","6","5","1") = "6"
    & skf21("5","7","4","6","2","6","6","1") = "6"
    & skf21("5","7","4","6","2","6","7","1") = "6"
    & skf21("5","7","4","6","2","7","1","1") = "6"
    & skf21("5","7","4","6","2","7","2","1") = "6"
    & skf21("5","7","4","6","2","7","3","1") = "6"
    & skf21("5","7","4","6","2","7","4","1") = "6"
    & skf21("5","7","4","6","2","7","5","1") = "6"
    & skf21("5","7","4","6","2","7","6","1") = "6"
    & skf21("5","7","4","6","2","7","7","1") = "6"
    & skf21("5","7","4","6","3","1","1","1") = "6"
    & skf21("5","7","4","6","3","1","2","1") = "6"
    & skf21("5","7","4","6","3","1","3","1") = "6"
    & skf21("5","7","4","6","3","1","4","1") = "6"
    & skf21("5","7","4","6","3","1","5","1") = "6"
    & skf21("5","7","4","6","3","1","6","1") = "6"
    & skf21("5","7","4","6","3","1","7","1") = "6"
    & skf21("5","7","4","6","3","2","1","1") = "6"
    & skf21("5","7","4","6","3","2","2","1") = "6"
    & skf21("5","7","4","6","3","2","3","1") = "6"
    & skf21("5","7","4","6","3","2","4","1") = "6"
    & skf21("5","7","4","6","3","2","5","1") = "6"
    & skf21("5","7","4","6","3","2","6","1") = "6"
    & skf21("5","7","4","6","3","2","7","1") = "6"
    & skf21("5","7","4","6","3","3","1","1") = "6"
    & skf21("5","7","4","6","3","3","2","1") = "6"
    & skf21("5","7","4","6","3","3","3","1") = "6"
    & skf21("5","7","4","6","3","3","4","1") = "6"
    & skf21("5","7","4","6","3","3","5","1") = "6"
    & skf21("5","7","4","6","3","3","6","1") = "6"
    & skf21("5","7","4","6","3","3","7","1") = "6"
    & skf21("5","7","4","6","3","4","1","1") = "6"
    & skf21("5","7","4","6","3","4","2","1") = "6"
    & skf21("5","7","4","6","3","4","3","1") = "6"
    & skf21("5","7","4","6","3","4","4","1") = "6"
    & skf21("5","7","4","6","3","4","5","1") = "6"
    & skf21("5","7","4","6","3","4","6","1") = "6"
    & skf21("5","7","4","6","3","4","7","1") = "6"
    & skf21("5","7","4","6","3","5","1","1") = "6"
    & skf21("5","7","4","6","3","5","2","1") = "6"
    & skf21("5","7","4","6","3","5","3","1") = "6"
    & skf21("5","7","4","6","3","5","4","1") = "6"
    & skf21("5","7","4","6","3","5","5","1") = "6"
    & skf21("5","7","4","6","3","5","6","1") = "6"
    & skf21("5","7","4","6","3","5","7","1") = "6"
    & skf21("5","7","4","6","3","6","1","1") = "6"
    & skf21("5","7","4","6","3","6","2","1") = "6"
    & skf21("5","7","4","6","3","6","3","1") = "6"
    & skf21("5","7","4","6","3","6","4","1") = "6"
    & skf21("5","7","4","6","3","6","5","1") = "6"
    & skf21("5","7","4","6","3","6","6","1") = "6"
    & skf21("5","7","4","6","3","6","7","1") = "6"
    & skf21("5","7","4","6","3","7","1","1") = "6"
    & skf21("5","7","4","6","3","7","2","1") = "6"
    & skf21("5","7","4","6","3","7","3","1") = "6"
    & skf21("5","7","4","6","3","7","4","1") = "6"
    & skf21("5","7","4","6","3","7","5","1") = "6"
    & skf21("5","7","4","6","3","7","6","1") = "6"
    & skf21("5","7","4","6","3","7","7","1") = "6"
    & skf21("5","7","4","6","4","1","1","1") = "6"
    & skf21("5","7","4","6","4","1","2","1") = "6"
    & skf21("5","7","4","6","4","1","3","1") = "6"
    & skf21("5","7","4","6","4","1","4","1") = "6"
    & skf21("5","7","4","6","4","1","5","1") = "6"
    & skf21("5","7","4","6","4","1","6","1") = "6"
    & skf21("5","7","4","6","4","1","7","1") = "6"
    & skf21("5","7","4","6","4","2","1","1") = "6"
    & skf21("5","7","4","6","4","2","2","1") = "6"
    & skf21("5","7","4","6","4","2","3","1") = "6"
    & skf21("5","7","4","6","4","2","4","1") = "6"
    & skf21("5","7","4","6","4","2","5","1") = "6"
    & skf21("5","7","4","6","4","2","6","1") = "6"
    & skf21("5","7","4","6","4","2","7","1") = "6"
    & skf21("5","7","4","6","4","3","1","1") = "6"
    & skf21("5","7","4","6","4","3","2","1") = "6"
    & skf21("5","7","4","6","4","3","3","1") = "6"
    & skf21("5","7","4","6","4","3","4","1") = "6"
    & skf21("5","7","4","6","4","3","5","1") = "6"
    & skf21("5","7","4","6","4","3","6","1") = "6"
    & skf21("5","7","4","6","4","3","7","1") = "6"
    & skf21("5","7","4","6","4","4","1","1") = "6"
    & skf21("5","7","4","6","4","4","2","1") = "6"
    & skf21("5","7","4","6","4","4","3","1") = "6"
    & skf21("5","7","4","6","4","4","4","1") = "6"
    & skf21("5","7","4","6","4","4","5","1") = "6"
    & skf21("5","7","4","6","4","4","6","1") = "6"
    & skf21("5","7","4","6","4","4","7","1") = "6"
    & skf21("5","7","4","6","4","5","1","1") = "6"
    & skf21("5","7","4","6","4","5","2","1") = "6"
    & skf21("5","7","4","6","4","5","3","1") = "6"
    & skf21("5","7","4","6","4","5","4","1") = "6"
    & skf21("5","7","4","6","4","5","5","1") = "6"
    & skf21("5","7","4","6","4","5","6","1") = "6"
    & skf21("5","7","4","6","4","5","7","1") = "6"
    & skf21("5","7","4","6","4","6","1","1") = "6"
    & skf21("5","7","4","6","4","6","2","1") = "6"
    & skf21("5","7","4","6","4","6","3","1") = "6"
    & skf21("5","7","4","6","4","6","4","1") = "6"
    & skf21("5","7","4","6","4","6","5","1") = "6"
    & skf21("5","7","4","6","4","6","6","1") = "6"
    & skf21("5","7","4","6","4","6","7","1") = "6"
    & skf21("5","7","4","6","4","7","1","1") = "6"
    & skf21("5","7","4","6","4","7","2","1") = "6"
    & skf21("5","7","4","6","4","7","3","1") = "6"
    & skf21("5","7","4","6","4","7","4","1") = "6"
    & skf21("5","7","4","6","4","7","5","1") = "6"
    & skf21("5","7","4","6","4","7","6","1") = "6"
    & skf21("5","7","4","6","4","7","7","1") = "6"
    & skf21("5","7","4","6","5","1","1","1") = "6"
    & skf21("5","7","4","6","5","1","2","1") = "6"
    & skf21("5","7","4","6","5","1","3","1") = "6"
    & skf21("5","7","4","6","5","1","4","1") = "6"
    & skf21("5","7","4","6","5","1","5","1") = "6"
    & skf21("5","7","4","6","5","1","6","1") = "6"
    & skf21("5","7","4","6","5","1","7","1") = "6"
    & skf21("5","7","4","6","5","2","1","1") = "6"
    & skf21("5","7","4","6","5","2","2","1") = "6"
    & skf21("5","7","4","6","5","2","3","1") = "6"
    & skf21("5","7","4","6","5","2","4","1") = "6"
    & skf21("5","7","4","6","5","2","5","1") = "6"
    & skf21("5","7","4","6","5","2","6","1") = "6"
    & skf21("5","7","4","6","5","2","7","1") = "6"
    & skf21("5","7","4","6","5","3","1","1") = "6"
    & skf21("5","7","4","6","5","3","2","1") = "6"
    & skf21("5","7","4","6","5","3","3","1") = "6"
    & skf21("5","7","4","6","5","3","4","1") = "6"
    & skf21("5","7","4","6","5","3","5","1") = "6"
    & skf21("5","7","4","6","5","3","6","1") = "6"
    & skf21("5","7","4","6","5","3","7","1") = "6"
    & skf21("5","7","4","6","5","4","1","1") = "6"
    & skf21("5","7","4","6","5","4","2","1") = "6"
    & skf21("5","7","4","6","5","4","3","1") = "6"
    & skf21("5","7","4","6","5","4","4","1") = "6"
    & skf21("5","7","4","6","5","4","5","1") = "6"
    & skf21("5","7","4","6","5","4","6","1") = "6"
    & skf21("5","7","4","6","5","4","7","1") = "6"
    & skf21("5","7","4","6","5","5","1","1") = "6"
    & skf21("5","7","4","6","5","5","2","1") = "6"
    & skf21("5","7","4","6","5","5","3","1") = "6"
    & skf21("5","7","4","6","5","5","4","1") = "6"
    & skf21("5","7","4","6","5","5","5","1") = "6"
    & skf21("5","7","4","6","5","5","6","1") = "6"
    & skf21("5","7","4","6","5","5","7","1") = "6"
    & skf21("5","7","4","6","5","6","1","1") = "6"
    & skf21("5","7","4","6","5","6","2","1") = "6"
    & skf21("5","7","4","6","5","6","3","1") = "6"
    & skf21("5","7","4","6","5","6","4","1") = "6"
    & skf21("5","7","4","6","5","6","5","1") = "6"
    & skf21("5","7","4","6","5","6","6","1") = "6"
    & skf21("5","7","4","6","5","6","7","1") = "6"
    & skf21("5","7","4","6","5","7","1","1") = "6"
    & skf21("5","7","4","6","5","7","2","1") = "6"
    & skf21("5","7","4","6","5","7","3","1") = "6"
    & skf21("5","7","4","6","5","7","4","1") = "6"
    & skf21("5","7","4","6","5","7","5","1") = "6"
    & skf21("5","7","4","6","5","7","6","1") = "6"
    & skf21("5","7","4","6","5","7","7","1") = "6"
    & skf21("5","7","4","6","6","1","1","1") = "6"
    & skf21("5","7","4","6","6","1","2","1") = "6"
    & skf21("5","7","4","6","6","1","3","1") = "6"
    & skf21("5","7","4","6","6","1","4","1") = "6"
    & skf21("5","7","4","6","6","1","5","1") = "6"
    & skf21("5","7","4","6","6","1","6","1") = "6"
    & skf21("5","7","4","6","6","1","7","1") = "6"
    & skf21("5","7","4","6","6","2","1","1") = "6"
    & skf21("5","7","4","6","6","2","2","1") = "6"
    & skf21("5","7","4","6","6","2","3","1") = "6"
    & skf21("5","7","4","6","6","2","4","1") = "6"
    & skf21("5","7","4","6","6","2","5","1") = "6"
    & skf21("5","7","4","6","6","2","6","1") = "6"
    & skf21("5","7","4","6","6","2","7","1") = "6"
    & skf21("5","7","4","6","6","3","1","1") = "6"
    & skf21("5","7","4","6","6","3","2","1") = "6"
    & skf21("5","7","4","6","6","3","3","1") = "6"
    & skf21("5","7","4","6","6","3","4","1") = "6"
    & skf21("5","7","4","6","6","3","5","1") = "6"
    & skf21("5","7","4","6","6","3","6","1") = "6"
    & skf21("5","7","4","6","6","3","7","1") = "6"
    & skf21("5","7","4","6","6","4","1","1") = "6"
    & skf21("5","7","4","6","6","4","2","1") = "6"
    & skf21("5","7","4","6","6","4","3","1") = "6"
    & skf21("5","7","4","6","6","4","4","1") = "6"
    & skf21("5","7","4","6","6","4","5","1") = "6"
    & skf21("5","7","4","6","6","4","6","1") = "6"
    & skf21("5","7","4","6","6","4","7","1") = "6"
    & skf21("5","7","4","6","6","5","1","1") = "6"
    & skf21("5","7","4","6","6","5","2","1") = "6"
    & skf21("5","7","4","6","6","5","3","1") = "6"
    & skf21("5","7","4","6","6","5","4","1") = "6"
    & skf21("5","7","4","6","6","5","5","1") = "6"
    & skf21("5","7","4","6","6","5","6","1") = "6"
    & skf21("5","7","4","6","6","5","7","1") = "6"
    & skf21("5","7","4","6","6","6","1","1") = "6"
    & skf21("5","7","4","6","6","6","2","1") = "6"
    & skf21("5","7","4","6","6","6","3","1") = "6"
    & skf21("5","7","4","6","6","6","4","1") = "6"
    & skf21("5","7","4","6","6","6","5","1") = "6"
    & skf21("5","7","4","6","6","6","6","1") = "6"
    & skf21("5","7","4","6","6","6","7","1") = "6"
    & skf21("5","7","4","6","6","7","1","1") = "6"
    & skf21("5","7","4","6","6","7","2","1") = "6"
    & skf21("5","7","4","6","6","7","3","1") = "6"
    & skf21("5","7","4","6","6","7","4","1") = "6"
    & skf21("5","7","4","6","6","7","5","1") = "6"
    & skf21("5","7","4","6","6","7","6","1") = "6"
    & skf21("5","7","4","6","6","7","7","1") = "6"
    & skf21("5","7","4","6","7","1","1","1") = "6"
    & skf21("5","7","4","6","7","1","2","1") = "6"
    & skf21("5","7","4","6","7","1","3","1") = "6"
    & skf21("5","7","4","6","7","1","4","1") = "6"
    & skf21("5","7","4","6","7","1","5","1") = "6"
    & skf21("5","7","4","6","7","1","6","1") = "6"
    & skf21("5","7","4","6","7","1","7","1") = "6"
    & skf21("5","7","4","6","7","2","1","1") = "6"
    & skf21("5","7","4","6","7","2","2","1") = "6"
    & skf21("5","7","4","6","7","2","3","1") = "6"
    & skf21("5","7","4","6","7","2","4","1") = "6"
    & skf21("5","7","4","6","7","2","5","1") = "6"
    & skf21("5","7","4","6","7","2","6","1") = "6"
    & skf21("5","7","4","6","7","2","7","1") = "6"
    & skf21("5","7","4","6","7","3","1","1") = "6"
    & skf21("5","7","4","6","7","3","2","1") = "6"
    & skf21("5","7","4","6","7","3","3","1") = "6"
    & skf21("5","7","4","6","7","3","4","1") = "6"
    & skf21("5","7","4","6","7","3","5","1") = "6"
    & skf21("5","7","4","6","7","3","6","1") = "6"
    & skf21("5","7","4","6","7","3","7","1") = "6"
    & skf21("5","7","4","6","7","4","1","1") = "6"
    & skf21("5","7","4","6","7","4","2","1") = "6"
    & skf21("5","7","4","6","7","4","3","1") = "6"
    & skf21("5","7","4","6","7","4","4","1") = "6"
    & skf21("5","7","4","6","7","4","5","1") = "6"
    & skf21("5","7","4","6","7","4","6","1") = "6"
    & skf21("5","7","4","6","7","4","7","1") = "6"
    & skf21("5","7","4","6","7","5","1","1") = "6"
    & skf21("5","7","4","6","7","5","2","1") = "6"
    & skf21("5","7","4","6","7","5","3","1") = "6"
    & skf21("5","7","4","6","7","5","4","1") = "6"
    & skf21("5","7","4","6","7","5","5","1") = "6"
    & skf21("5","7","4","6","7","5","6","1") = "6"
    & skf21("5","7","4","6","7","5","7","1") = "6"
    & skf21("5","7","4","6","7","6","1","1") = "6"
    & skf21("5","7","4","6","7","6","2","1") = "6"
    & skf21("5","7","4","6","7","6","3","1") = "6"
    & skf21("5","7","4","6","7","6","4","1") = "6"
    & skf21("5","7","4","6","7","6","5","1") = "6"
    & skf21("5","7","4","6","7","6","6","1") = "6"
    & skf21("5","7","4","6","7","6","7","1") = "6"
    & skf21("5","7","4","6","7","7","1","1") = "6"
    & skf21("5","7","4","6","7","7","2","1") = "6"
    & skf21("5","7","4","6","7","7","3","1") = "6"
    & skf21("5","7","4","6","7","7","4","1") = "6"
    & skf21("5","7","4","6","7","7","5","1") = "6"
    & skf21("5","7","4","6","7","7","6","1") = "6"
    & skf21("5","7","4","6","7","7","7","1") = "6"
    & skf21("5","7","4","7","1","1","1","1") = "6"
    & skf21("5","7","4","7","1","1","2","1") = "6"
    & skf21("5","7","4","7","1","1","3","1") = "6"
    & skf21("5","7","4","7","1","1","4","1") = "6"
    & skf21("5","7","4","7","1","1","5","1") = "6"
    & skf21("5","7","4","7","1","1","6","1") = "6"
    & skf21("5","7","4","7","1","1","7","1") = "6"
    & skf21("5","7","4","7","1","2","1","1") = "6"
    & skf21("5","7","4","7","1","2","2","1") = "6"
    & skf21("5","7","4","7","1","2","3","1") = "6"
    & skf21("5","7","4","7","1","2","4","1") = "6"
    & skf21("5","7","4","7","1","2","5","1") = "6"
    & skf21("5","7","4","7","1","2","6","1") = "6"
    & skf21("5","7","4","7","1","2","7","1") = "6"
    & skf21("5","7","4","7","1","3","1","1") = "6"
    & skf21("5","7","4","7","1","3","2","1") = "6"
    & skf21("5","7","4","7","1","3","3","1") = "6"
    & skf21("5","7","4","7","1","3","4","1") = "6"
    & skf21("5","7","4","7","1","3","5","1") = "6"
    & skf21("5","7","4","7","1","3","6","1") = "6"
    & skf21("5","7","4","7","1","3","7","1") = "6"
    & skf21("5","7","4","7","1","4","1","1") = "6"
    & skf21("5","7","4","7","1","4","2","1") = "6"
    & skf21("5","7","4","7","1","4","3","1") = "6"
    & skf21("5","7","4","7","1","4","4","1") = "6"
    & skf21("5","7","4","7","1","4","5","1") = "6"
    & skf21("5","7","4","7","1","4","6","1") = "6"
    & skf21("5","7","4","7","1","4","7","1") = "6"
    & skf21("5","7","4","7","1","5","1","1") = "6"
    & skf21("5","7","4","7","1","5","2","1") = "6"
    & skf21("5","7","4","7","1","5","3","1") = "6"
    & skf21("5","7","4","7","1","5","4","1") = "6"
    & skf21("5","7","4","7","1","5","5","1") = "6"
    & skf21("5","7","4","7","1","5","6","1") = "6"
    & skf21("5","7","4","7","1","5","7","1") = "6"
    & skf21("5","7","4","7","1","6","1","1") = "6"
    & skf21("5","7","4","7","1","6","2","1") = "6"
    & skf21("5","7","4","7","1","6","3","1") = "6"
    & skf21("5","7","4","7","1","6","4","1") = "6"
    & skf21("5","7","4","7","1","6","5","1") = "6"
    & skf21("5","7","4","7","1","6","6","1") = "6"
    & skf21("5","7","4","7","1","6","7","1") = "6"
    & skf21("5","7","4","7","1","7","1","1") = "6"
    & skf21("5","7","4","7","1","7","2","1") = "6"
    & skf21("5","7","4","7","1","7","3","1") = "6"
    & skf21("5","7","4","7","1","7","4","1") = "6"
    & skf21("5","7","4","7","1","7","5","1") = "6"
    & skf21("5","7","4","7","1","7","6","1") = "6"
    & skf21("5","7","4","7","1","7","7","1") = "6"
    & skf21("5","7","4","7","2","1","1","1") = "6"
    & skf21("5","7","4","7","2","1","2","1") = "6"
    & skf21("5","7","4","7","2","1","3","1") = "6"
    & skf21("5","7","4","7","2","1","4","1") = "6"
    & skf21("5","7","4","7","2","1","5","1") = "6"
    & skf21("5","7","4","7","2","1","6","1") = "6"
    & skf21("5","7","4","7","2","1","7","1") = "6"
    & skf21("5","7","4","7","2","2","1","1") = "6"
    & skf21("5","7","4","7","2","2","2","1") = "6"
    & skf21("5","7","4","7","2","2","3","1") = "6"
    & skf21("5","7","4","7","2","2","4","1") = "6"
    & skf21("5","7","4","7","2","2","5","1") = "6"
    & skf21("5","7","4","7","2","2","6","1") = "6"
    & skf21("5","7","4","7","2","2","7","1") = "6"
    & skf21("5","7","4","7","2","3","1","1") = "6"
    & skf21("5","7","4","7","2","3","2","1") = "6"
    & skf21("5","7","4","7","2","3","3","1") = "6"
    & skf21("5","7","4","7","2","3","4","1") = "6"
    & skf21("5","7","4","7","2","3","5","1") = "6"
    & skf21("5","7","4","7","2","3","6","1") = "6"
    & skf21("5","7","4","7","2","3","7","1") = "6"
    & skf21("5","7","4","7","2","4","1","1") = "6"
    & skf21("5","7","4","7","2","4","2","1") = "6"
    & skf21("5","7","4","7","2","4","3","1") = "6"
    & skf21("5","7","4","7","2","4","4","1") = "6"
    & skf21("5","7","4","7","2","4","5","1") = "6"
    & skf21("5","7","4","7","2","4","6","1") = "6"
    & skf21("5","7","4","7","2","4","7","1") = "6"
    & skf21("5","7","4","7","2","5","1","1") = "6"
    & skf21("5","7","4","7","2","5","2","1") = "6"
    & skf21("5","7","4","7","2","5","3","1") = "6"
    & skf21("5","7","4","7","2","5","4","1") = "6"
    & skf21("5","7","4","7","2","5","5","1") = "6"
    & skf21("5","7","4","7","2","5","6","1") = "6"
    & skf21("5","7","4","7","2","5","7","1") = "6"
    & skf21("5","7","4","7","2","6","1","1") = "6"
    & skf21("5","7","4","7","2","6","2","1") = "6"
    & skf21("5","7","4","7","2","6","3","1") = "6"
    & skf21("5","7","4","7","2","6","4","1") = "6"
    & skf21("5","7","4","7","2","6","5","1") = "6"
    & skf21("5","7","4","7","2","6","6","1") = "6"
    & skf21("5","7","4","7","2","6","7","1") = "6"
    & skf21("5","7","4","7","2","7","1","1") = "6"
    & skf21("5","7","4","7","2","7","2","1") = "6"
    & skf21("5","7","4","7","2","7","3","1") = "6"
    & skf21("5","7","4","7","2","7","4","1") = "6"
    & skf21("5","7","4","7","2","7","5","1") = "6"
    & skf21("5","7","4","7","2","7","6","1") = "6"
    & skf21("5","7","4","7","2","7","7","1") = "6"
    & skf21("5","7","4","7","3","1","1","1") = "6"
    & skf21("5","7","4","7","3","1","2","1") = "6"
    & skf21("5","7","4","7","3","1","3","1") = "6"
    & skf21("5","7","4","7","3","1","4","1") = "6"
    & skf21("5","7","4","7","3","1","5","1") = "6"
    & skf21("5","7","4","7","3","1","6","1") = "6"
    & skf21("5","7","4","7","3","1","7","1") = "6"
    & skf21("5","7","4","7","3","2","1","1") = "6"
    & skf21("5","7","4","7","3","2","2","1") = "6"
    & skf21("5","7","4","7","3","2","3","1") = "6"
    & skf21("5","7","4","7","3","2","4","1") = "6"
    & skf21("5","7","4","7","3","2","5","1") = "6"
    & skf21("5","7","4","7","3","2","6","1") = "6"
    & skf21("5","7","4","7","3","2","7","1") = "6"
    & skf21("5","7","4","7","3","3","1","1") = "6"
    & skf21("5","7","4","7","3","3","2","1") = "6"
    & skf21("5","7","4","7","3","3","3","1") = "6"
    & skf21("5","7","4","7","3","3","4","1") = "6"
    & skf21("5","7","4","7","3","3","5","1") = "6"
    & skf21("5","7","4","7","3","3","6","1") = "6"
    & skf21("5","7","4","7","3","3","7","1") = "6"
    & skf21("5","7","4","7","3","4","1","1") = "6"
    & skf21("5","7","4","7","3","4","2","1") = "6"
    & skf21("5","7","4","7","3","4","3","1") = "6"
    & skf21("5","7","4","7","3","4","4","1") = "6"
    & skf21("5","7","4","7","3","4","5","1") = "6"
    & skf21("5","7","4","7","3","4","6","1") = "6"
    & skf21("5","7","4","7","3","4","7","1") = "6"
    & skf21("5","7","4","7","3","5","1","1") = "6"
    & skf21("5","7","4","7","3","5","2","1") = "6"
    & skf21("5","7","4","7","3","5","3","1") = "6"
    & skf21("5","7","4","7","3","5","4","1") = "6"
    & skf21("5","7","4","7","3","5","5","1") = "6"
    & skf21("5","7","4","7","3","5","6","1") = "6"
    & skf21("5","7","4","7","3","5","7","1") = "6"
    & skf21("5","7","4","7","3","6","1","1") = "6"
    & skf21("5","7","4","7","3","6","2","1") = "6"
    & skf21("5","7","4","7","3","6","3","1") = "6"
    & skf21("5","7","4","7","3","6","4","1") = "6"
    & skf21("5","7","4","7","3","6","5","1") = "6"
    & skf21("5","7","4","7","3","6","6","1") = "6"
    & skf21("5","7","4","7","3","6","7","1") = "6"
    & skf21("5","7","4","7","3","7","1","1") = "6"
    & skf21("5","7","4","7","3","7","2","1") = "6"
    & skf21("5","7","4","7","3","7","3","1") = "6"
    & skf21("5","7","4","7","3","7","4","1") = "6"
    & skf21("5","7","4","7","3","7","5","1") = "6"
    & skf21("5","7","4","7","3","7","6","1") = "6"
    & skf21("5","7","4","7","3","7","7","1") = "6"
    & skf21("5","7","4","7","4","1","1","1") = "6"
    & skf21("5","7","4","7","4","1","2","1") = "6"
    & skf21("5","7","4","7","4","1","3","1") = "6"
    & skf21("5","7","4","7","4","1","4","1") = "6"
    & skf21("5","7","4","7","4","1","5","1") = "6"
    & skf21("5","7","4","7","4","1","6","1") = "6"
    & skf21("5","7","4","7","4","1","7","1") = "6"
    & skf21("5","7","4","7","4","2","1","1") = "6"
    & skf21("5","7","4","7","4","2","2","1") = "6"
    & skf21("5","7","4","7","4","2","3","1") = "6"
    & skf21("5","7","4","7","4","2","4","1") = "6"
    & skf21("5","7","4","7","4","2","5","1") = "6"
    & skf21("5","7","4","7","4","2","6","1") = "6"
    & skf21("5","7","4","7","4","2","7","1") = "6"
    & skf21("5","7","4","7","4","3","1","1") = "6"
    & skf21("5","7","4","7","4","3","2","1") = "6"
    & skf21("5","7","4","7","4","3","3","1") = "6"
    & skf21("5","7","4","7","4","3","4","1") = "6"
    & skf21("5","7","4","7","4","3","5","1") = "6"
    & skf21("5","7","4","7","4","3","6","1") = "6"
    & skf21("5","7","4","7","4","3","7","1") = "6"
    & skf21("5","7","4","7","4","4","1","1") = "6"
    & skf21("5","7","4","7","4","4","2","1") = "6"
    & skf21("5","7","4","7","4","4","3","1") = "6"
    & skf21("5","7","4","7","4","4","4","1") = "6"
    & skf21("5","7","4","7","4","4","5","1") = "6"
    & skf21("5","7","4","7","4","4","6","1") = "6"
    & skf21("5","7","4","7","4","4","7","1") = "6"
    & skf21("5","7","4","7","4","5","1","1") = "6"
    & skf21("5","7","4","7","4","5","2","1") = "6"
    & skf21("5","7","4","7","4","5","3","1") = "6"
    & skf21("5","7","4","7","4","5","4","1") = "6"
    & skf21("5","7","4","7","4","5","5","1") = "6"
    & skf21("5","7","4","7","4","5","6","1") = "6"
    & skf21("5","7","4","7","4","5","7","1") = "6"
    & skf21("5","7","4","7","4","6","1","1") = "6"
    & skf21("5","7","4","7","4","6","2","1") = "6"
    & skf21("5","7","4","7","4","6","3","1") = "6"
    & skf21("5","7","4","7","4","6","4","1") = "6"
    & skf21("5","7","4","7","4","6","5","1") = "6"
    & skf21("5","7","4","7","4","6","6","1") = "6"
    & skf21("5","7","4","7","4","6","7","1") = "6"
    & skf21("5","7","4","7","4","7","1","1") = "6"
    & skf21("5","7","4","7","4","7","2","1") = "6"
    & skf21("5","7","4","7","4","7","3","1") = "6"
    & skf21("5","7","4","7","4","7","4","1") = "6"
    & skf21("5","7","4","7","4","7","5","1") = "6"
    & skf21("5","7","4","7","4","7","6","1") = "6"
    & skf21("5","7","4","7","4","7","7","1") = "6"
    & skf21("5","7","4","7","5","1","1","1") = "6"
    & skf21("5","7","4","7","5","1","2","1") = "6"
    & skf21("5","7","4","7","5","1","3","1") = "6"
    & skf21("5","7","4","7","5","1","4","1") = "6"
    & skf21("5","7","4","7","5","1","5","1") = "6"
    & skf21("5","7","4","7","5","1","6","1") = "6"
    & skf21("5","7","4","7","5","1","7","1") = "6"
    & skf21("5","7","4","7","5","2","1","1") = "6"
    & skf21("5","7","4","7","5","2","2","1") = "6"
    & skf21("5","7","4","7","5","2","3","1") = "6"
    & skf21("5","7","4","7","5","2","4","1") = "6"
    & skf21("5","7","4","7","5","2","5","1") = "6"
    & skf21("5","7","4","7","5","2","6","1") = "6"
    & skf21("5","7","4","7","5","2","7","1") = "6"
    & skf21("5","7","4","7","5","3","1","1") = "6"
    & skf21("5","7","4","7","5","3","2","1") = "6"
    & skf21("5","7","4","7","5","3","3","1") = "6"
    & skf21("5","7","4","7","5","3","4","1") = "6"
    & skf21("5","7","4","7","5","3","5","1") = "6"
    & skf21("5","7","4","7","5","3","6","1") = "6"
    & skf21("5","7","4","7","5","3","7","1") = "6"
    & skf21("5","7","4","7","5","4","1","1") = "6"
    & skf21("5","7","4","7","5","4","2","1") = "6"
    & skf21("5","7","4","7","5","4","3","1") = "6"
    & skf21("5","7","4","7","5","4","4","1") = "6"
    & skf21("5","7","4","7","5","4","5","1") = "6"
    & skf21("5","7","4","7","5","4","6","1") = "6"
    & skf21("5","7","4","7","5","4","7","1") = "6"
    & skf21("5","7","4","7","5","5","1","1") = "6"
    & skf21("5","7","4","7","5","5","2","1") = "6"
    & skf21("5","7","4","7","5","5","3","1") = "6"
    & skf21("5","7","4","7","5","5","4","1") = "6"
    & skf21("5","7","4","7","5","5","5","1") = "6"
    & skf21("5","7","4","7","5","5","6","1") = "6"
    & skf21("5","7","4","7","5","5","7","1") = "6"
    & skf21("5","7","4","7","5","6","1","1") = "6"
    & skf21("5","7","4","7","5","6","2","1") = "6"
    & skf21("5","7","4","7","5","6","3","1") = "6"
    & skf21("5","7","4","7","5","6","4","1") = "6"
    & skf21("5","7","4","7","5","6","5","1") = "6"
    & skf21("5","7","4","7","5","6","6","1") = "6"
    & skf21("5","7","4","7","5","6","7","1") = "6"
    & skf21("5","7","4","7","5","7","1","1") = "6"
    & skf21("5","7","4","7","5","7","2","1") = "6"
    & skf21("5","7","4","7","5","7","3","1") = "6"
    & skf21("5","7","4","7","5","7","4","1") = "6"
    & skf21("5","7","4","7","5","7","5","1") = "6"
    & skf21("5","7","4","7","5","7","6","1") = "6"
    & skf21("5","7","4","7","5","7","7","1") = "6"
    & skf21("5","7","4","7","6","1","1","1") = "6"
    & skf21("5","7","4","7","6","1","2","1") = "6"
    & skf21("5","7","4","7","6","1","3","1") = "6"
    & skf21("5","7","4","7","6","1","4","1") = "6"
    & skf21("5","7","4","7","6","1","5","1") = "6"
    & skf21("5","7","4","7","6","1","6","1") = "6"
    & skf21("5","7","4","7","6","1","7","1") = "6"
    & skf21("5","7","4","7","6","2","1","1") = "6"
    & skf21("5","7","4","7","6","2","2","1") = "6"
    & skf21("5","7","4","7","6","2","3","1") = "6"
    & skf21("5","7","4","7","6","2","4","1") = "6"
    & skf21("5","7","4","7","6","2","5","1") = "6"
    & skf21("5","7","4","7","6","2","6","1") = "6"
    & skf21("5","7","4","7","6","2","7","1") = "6"
    & skf21("5","7","4","7","6","3","1","1") = "6"
    & skf21("5","7","4","7","6","3","2","1") = "6"
    & skf21("5","7","4","7","6","3","3","1") = "6"
    & skf21("5","7","4","7","6","3","4","1") = "6"
    & skf21("5","7","4","7","6","3","5","1") = "6"
    & skf21("5","7","4","7","6","3","6","1") = "6"
    & skf21("5","7","4","7","6","3","7","1") = "6"
    & skf21("5","7","4","7","6","4","1","1") = "6"
    & skf21("5","7","4","7","6","4","2","1") = "6"
    & skf21("5","7","4","7","6","4","3","1") = "6"
    & skf21("5","7","4","7","6","4","4","1") = "6"
    & skf21("5","7","4","7","6","4","5","1") = "6"
    & skf21("5","7","4","7","6","4","6","1") = "6"
    & skf21("5","7","4","7","6","4","7","1") = "6"
    & skf21("5","7","4","7","6","5","1","1") = "6"
    & skf21("5","7","4","7","6","5","2","1") = "6"
    & skf21("5","7","4","7","6","5","3","1") = "6"
    & skf21("5","7","4","7","6","5","4","1") = "6"
    & skf21("5","7","4","7","6","5","5","1") = "6"
    & skf21("5","7","4","7","6","5","6","1") = "6"
    & skf21("5","7","4","7","6","5","7","1") = "6"
    & skf21("5","7","4","7","6","6","1","1") = "6"
    & skf21("5","7","4","7","6","6","2","1") = "6"
    & skf21("5","7","4","7","6","6","3","1") = "6"
    & skf21("5","7","4","7","6","6","4","1") = "6"
    & skf21("5","7","4","7","6","6","5","1") = "6"
    & skf21("5","7","4","7","6","6","6","1") = "6"
    & skf21("5","7","4","7","6","6","7","1") = "6"
    & skf21("5","7","4","7","6","7","1","1") = "6"
    & skf21("5","7","4","7","6","7","2","1") = "6"
    & skf21("5","7","4","7","6","7","3","1") = "6"
    & skf21("5","7","4","7","6","7","4","1") = "6"
    & skf21("5","7","4","7","6","7","5","1") = "6"
    & skf21("5","7","4","7","6","7","6","1") = "6"
    & skf21("5","7","4","7","6","7","7","1") = "6"
    & skf21("5","7","4","7","7","1","1","1") = "6"
    & skf21("5","7","4","7","7","1","2","1") = "6"
    & skf21("5","7","4","7","7","1","3","1") = "6"
    & skf21("5","7","4","7","7","1","4","1") = "6"
    & skf21("5","7","4","7","7","1","5","1") = "6"
    & skf21("5","7","4","7","7","1","6","1") = "6"
    & skf21("5","7","4","7","7","1","7","1") = "6"
    & skf21("5","7","4","7","7","2","1","1") = "6"
    & skf21("5","7","4","7","7","2","2","1") = "6"
    & skf21("5","7","4","7","7","2","3","1") = "6"
    & skf21("5","7","4","7","7","2","4","1") = "6"
    & skf21("5","7","4","7","7","2","5","1") = "6"
    & skf21("5","7","4","7","7","2","6","1") = "6"
    & skf21("5","7","4","7","7","2","7","1") = "6"
    & skf21("5","7","4","7","7","3","1","1") = "6"
    & skf21("5","7","4","7","7","3","2","1") = "6"
    & skf21("5","7","4","7","7","3","3","1") = "6"
    & skf21("5","7","4","7","7","3","4","1") = "6"
    & skf21("5","7","4","7","7","3","5","1") = "6"
    & skf21("5","7","4","7","7","3","6","1") = "6"
    & skf21("5","7","4","7","7","3","7","1") = "6"
    & skf21("5","7","4","7","7","4","1","1") = "6"
    & skf21("5","7","4","7","7","4","2","1") = "6"
    & skf21("5","7","4","7","7","4","3","1") = "6"
    & skf21("5","7","4","7","7","4","4","1") = "6"
    & skf21("5","7","4","7","7","4","5","1") = "6"
    & skf21("5","7","4","7","7","4","6","1") = "6"
    & skf21("5","7","4","7","7","4","7","1") = "6"
    & skf21("5","7","4","7","7","5","1","1") = "6"
    & skf21("5","7","4","7","7","5","2","1") = "6"
    & skf21("5","7","4","7","7","5","3","1") = "6"
    & skf21("5","7","4","7","7","5","4","1") = "6"
    & skf21("5","7","4","7","7","5","5","1") = "6"
    & skf21("5","7","4","7","7","5","6","1") = "6"
    & skf21("5","7","4","7","7","5","7","1") = "6"
    & skf21("5","7","4","7","7","6","1","1") = "6"
    & skf21("5","7","4","7","7","6","2","1") = "6"
    & skf21("5","7","4","7","7","6","3","1") = "6"
    & skf21("5","7","4","7","7","6","4","1") = "6"
    & skf21("5","7","4","7","7","6","5","1") = "6"
    & skf21("5","7","4","7","7","6","6","1") = "6"
    & skf21("5","7","4","7","7","6","7","1") = "6"
    & skf21("5","7","4","7","7","7","1","1") = "6"
    & skf21("5","7","4","7","7","7","2","1") = "6"
    & skf21("5","7","4","7","7","7","3","1") = "6"
    & skf21("5","7","4","7","7","7","4","1") = "6"
    & skf21("5","7","4","7","7","7","5","1") = "6"
    & skf21("5","7","4","7","7","7","6","1") = "6"
    & skf21("5","7","4","7","7","7","7","1") = "6"
    & skf21("5","7","5","1","1","1","1","1") = "6"
    & skf21("5","7","5","1","1","1","2","1") = "6"
    & skf21("5","7","5","1","1","1","3","1") = "6"
    & skf21("5","7","5","1","1","1","4","1") = "6"
    & skf21("5","7","5","1","1","1","5","1") = "6"
    & skf21("5","7","5","1","1","1","6","1") = "6"
    & skf21("5","7","5","1","1","1","7","1") = "6"
    & skf21("5","7","5","1","1","2","1","1") = "6"
    & skf21("5","7","5","1","1","2","2","1") = "6"
    & skf21("5","7","5","1","1","2","3","1") = "6"
    & skf21("5","7","5","1","1","2","4","1") = "6"
    & skf21("5","7","5","1","1","2","5","1") = "6"
    & skf21("5","7","5","1","1","2","6","1") = "6"
    & skf21("5","7","5","1","1","2","7","1") = "6"
    & skf21("5","7","5","1","1","3","1","1") = "6"
    & skf21("5","7","5","1","1","3","2","1") = "6"
    & skf21("5","7","5","1","1","3","3","1") = "6"
    & skf21("5","7","5","1","1","3","4","1") = "6"
    & skf21("5","7","5","1","1","3","5","1") = "6"
    & skf21("5","7","5","1","1","3","6","1") = "6"
    & skf21("5","7","5","1","1","3","7","1") = "6"
    & skf21("5","7","5","1","1","4","1","1") = "6"
    & skf21("5","7","5","1","1","4","2","1") = "6"
    & skf21("5","7","5","1","1","4","3","1") = "6"
    & skf21("5","7","5","1","1","4","4","1") = "6"
    & skf21("5","7","5","1","1","4","5","1") = "6"
    & skf21("5","7","5","1","1","4","6","1") = "6"
    & skf21("5","7","5","1","1","4","7","1") = "6"
    & skf21("5","7","5","1","1","5","1","1") = "6"
    & skf21("5","7","5","1","1","5","2","1") = "6"
    & skf21("5","7","5","1","1","5","3","1") = "6"
    & skf21("5","7","5","1","1","5","4","1") = "6"
    & skf21("5","7","5","1","1","5","5","1") = "6"
    & skf21("5","7","5","1","1","5","6","1") = "6"
    & skf21("5","7","5","1","1","5","7","1") = "6"
    & skf21("5","7","5","1","1","6","1","1") = "6"
    & skf21("5","7","5","1","1","6","2","1") = "6"
    & skf21("5","7","5","1","1","6","3","1") = "6"
    & skf21("5","7","5","1","1","6","4","1") = "6"
    & skf21("5","7","5","1","1","6","5","1") = "6"
    & skf21("5","7","5","1","1","6","6","1") = "6"
    & skf21("5","7","5","1","1","6","7","1") = "6"
    & skf21("5","7","5","1","1","7","1","1") = "6"
    & skf21("5","7","5","1","1","7","2","1") = "6"
    & skf21("5","7","5","1","1","7","3","1") = "6"
    & skf21("5","7","5","1","1","7","4","1") = "6"
    & skf21("5","7","5","1","1","7","5","1") = "6"
    & skf21("5","7","5","1","1","7","6","1") = "6"
    & skf21("5","7","5","1","1","7","7","1") = "6"
    & skf21("5","7","5","1","2","1","1","1") = "6"
    & skf21("5","7","5","1","2","1","2","1") = "6"
    & skf21("5","7","5","1","2","1","3","1") = "6"
    & skf21("5","7","5","1","2","1","4","1") = "6"
    & skf21("5","7","5","1","2","1","5","1") = "6"
    & skf21("5","7","5","1","2","1","6","1") = "6"
    & skf21("5","7","5","1","2","1","7","1") = "6"
    & skf21("5","7","5","1","2","2","1","1") = "6"
    & skf21("5","7","5","1","2","2","2","1") = "6"
    & skf21("5","7","5","1","2","2","3","1") = "6"
    & skf21("5","7","5","1","2","2","4","1") = "6"
    & skf21("5","7","5","1","2","2","5","1") = "6"
    & skf21("5","7","5","1","2","2","6","1") = "6"
    & skf21("5","7","5","1","2","2","7","1") = "6"
    & skf21("5","7","5","1","2","3","1","1") = "6"
    & skf21("5","7","5","1","2","3","2","1") = "6"
    & skf21("5","7","5","1","2","3","3","1") = "6"
    & skf21("5","7","5","1","2","3","4","1") = "6"
    & skf21("5","7","5","1","2","3","5","1") = "6"
    & skf21("5","7","5","1","2","3","6","1") = "6"
    & skf21("5","7","5","1","2","3","7","1") = "6"
    & skf21("5","7","5","1","2","4","1","1") = "6"
    & skf21("5","7","5","1","2","4","2","1") = "6"
    & skf21("5","7","5","1","2","4","3","1") = "6"
    & skf21("5","7","5","1","2","4","4","1") = "6"
    & skf21("5","7","5","1","2","4","5","1") = "6"
    & skf21("5","7","5","1","2","4","6","1") = "6"
    & skf21("5","7","5","1","2","4","7","1") = "6"
    & skf21("5","7","5","1","2","5","1","1") = "6"
    & skf21("5","7","5","1","2","5","2","1") = "6"
    & skf21("5","7","5","1","2","5","3","1") = "6"
    & skf21("5","7","5","1","2","5","4","1") = "6"
    & skf21("5","7","5","1","2","5","5","1") = "6"
    & skf21("5","7","5","1","2","5","6","1") = "6"
    & skf21("5","7","5","1","2","5","7","1") = "6"
    & skf21("5","7","5","1","2","6","1","1") = "6"
    & skf21("5","7","5","1","2","6","2","1") = "6"
    & skf21("5","7","5","1","2","6","3","1") = "6"
    & skf21("5","7","5","1","2","6","4","1") = "6"
    & skf21("5","7","5","1","2","6","5","1") = "6"
    & skf21("5","7","5","1","2","6","6","1") = "6"
    & skf21("5","7","5","1","2","6","7","1") = "6"
    & skf21("5","7","5","1","2","7","1","1") = "6"
    & skf21("5","7","5","1","2","7","2","1") = "6"
    & skf21("5","7","5","1","2","7","3","1") = "6"
    & skf21("5","7","5","1","2","7","4","1") = "6"
    & skf21("5","7","5","1","2","7","5","1") = "6"
    & skf21("5","7","5","1","2","7","6","1") = "6"
    & skf21("5","7","5","1","2","7","7","1") = "6"
    & skf21("5","7","5","1","3","1","1","1") = "6"
    & skf21("5","7","5","1","3","1","2","1") = "6"
    & skf21("5","7","5","1","3","1","3","1") = "6"
    & skf21("5","7","5","1","3","1","4","1") = "6"
    & skf21("5","7","5","1","3","1","5","1") = "6"
    & skf21("5","7","5","1","3","1","6","1") = "6"
    & skf21("5","7","5","1","3","1","7","1") = "6"
    & skf21("5","7","5","1","3","2","1","1") = "6"
    & skf21("5","7","5","1","3","2","2","1") = "6"
    & skf21("5","7","5","1","3","2","3","1") = "6"
    & skf21("5","7","5","1","3","2","4","1") = "6"
    & skf21("5","7","5","1","3","2","5","1") = "6"
    & skf21("5","7","5","1","3","2","6","1") = "6"
    & skf21("5","7","5","1","3","2","7","1") = "6"
    & skf21("5","7","5","1","3","3","1","1") = "6"
    & skf21("5","7","5","1","3","3","2","1") = "6"
    & skf21("5","7","5","1","3","3","3","1") = "6"
    & skf21("5","7","5","1","3","3","4","1") = "6"
    & skf21("5","7","5","1","3","3","5","1") = "6"
    & skf21("5","7","5","1","3","3","6","1") = "6"
    & skf21("5","7","5","1","3","3","7","1") = "6"
    & skf21("5","7","5","1","3","4","1","1") = "6"
    & skf21("5","7","5","1","3","4","2","1") = "6"
    & skf21("5","7","5","1","3","4","3","1") = "6"
    & skf21("5","7","5","1","3","4","4","1") = "6"
    & skf21("5","7","5","1","3","4","5","1") = "6"
    & skf21("5","7","5","1","3","4","6","1") = "6"
    & skf21("5","7","5","1","3","4","7","1") = "6"
    & skf21("5","7","5","1","3","5","1","1") = "6"
    & skf21("5","7","5","1","3","5","2","1") = "6"
    & skf21("5","7","5","1","3","5","3","1") = "6"
    & skf21("5","7","5","1","3","5","4","1") = "6"
    & skf21("5","7","5","1","3","5","5","1") = "6"
    & skf21("5","7","5","1","3","5","6","1") = "6"
    & skf21("5","7","5","1","3","5","7","1") = "6"
    & skf21("5","7","5","1","3","6","1","1") = "6"
    & skf21("5","7","5","1","3","6","2","1") = "6"
    & skf21("5","7","5","1","3","6","3","1") = "6"
    & skf21("5","7","5","1","3","6","4","1") = "6"
    & skf21("5","7","5","1","3","6","5","1") = "6"
    & skf21("5","7","5","1","3","6","6","1") = "6"
    & skf21("5","7","5","1","3","6","7","1") = "6"
    & skf21("5","7","5","1","3","7","1","1") = "6"
    & skf21("5","7","5","1","3","7","2","1") = "6"
    & skf21("5","7","5","1","3","7","3","1") = "6"
    & skf21("5","7","5","1","3","7","4","1") = "6"
    & skf21("5","7","5","1","3","7","5","1") = "6"
    & skf21("5","7","5","1","3","7","6","1") = "6"
    & skf21("5","7","5","1","3","7","7","1") = "6"
    & skf21("5","7","5","1","4","1","1","1") = "6"
    & skf21("5","7","5","1","4","1","2","1") = "6"
    & skf21("5","7","5","1","4","1","3","1") = "6"
    & skf21("5","7","5","1","4","1","4","1") = "6"
    & skf21("5","7","5","1","4","1","5","1") = "6"
    & skf21("5","7","5","1","4","1","6","1") = "6"
    & skf21("5","7","5","1","4","1","7","1") = "6"
    & skf21("5","7","5","1","4","2","1","1") = "6"
    & skf21("5","7","5","1","4","2","2","1") = "6"
    & skf21("5","7","5","1","4","2","3","1") = "6"
    & skf21("5","7","5","1","4","2","4","1") = "6"
    & skf21("5","7","5","1","4","2","5","1") = "6"
    & skf21("5","7","5","1","4","2","6","1") = "6"
    & skf21("5","7","5","1","4","2","7","1") = "6"
    & skf21("5","7","5","1","4","3","1","1") = "6"
    & skf21("5","7","5","1","4","3","2","1") = "6"
    & skf21("5","7","5","1","4","3","3","1") = "6"
    & skf21("5","7","5","1","4","3","4","1") = "6"
    & skf21("5","7","5","1","4","3","5","1") = "6"
    & skf21("5","7","5","1","4","3","6","1") = "6"
    & skf21("5","7","5","1","4","3","7","1") = "6"
    & skf21("5","7","5","1","4","4","1","1") = "6"
    & skf21("5","7","5","1","4","4","2","1") = "6"
    & skf21("5","7","5","1","4","4","3","1") = "6"
    & skf21("5","7","5","1","4","4","4","1") = "6"
    & skf21("5","7","5","1","4","4","5","1") = "6"
    & skf21("5","7","5","1","4","4","6","1") = "6"
    & skf21("5","7","5","1","4","4","7","1") = "6"
    & skf21("5","7","5","1","4","5","1","1") = "6"
    & skf21("5","7","5","1","4","5","2","1") = "6"
    & skf21("5","7","5","1","4","5","3","1") = "6"
    & skf21("5","7","5","1","4","5","4","1") = "6"
    & skf21("5","7","5","1","4","5","5","1") = "6"
    & skf21("5","7","5","1","4","5","6","1") = "6"
    & skf21("5","7","5","1","4","5","7","1") = "6"
    & skf21("5","7","5","1","4","6","1","1") = "6"
    & skf21("5","7","5","1","4","6","2","1") = "6"
    & skf21("5","7","5","1","4","6","3","1") = "6"
    & skf21("5","7","5","1","4","6","4","1") = "6"
    & skf21("5","7","5","1","4","6","5","1") = "6"
    & skf21("5","7","5","1","4","6","6","1") = "6"
    & skf21("5","7","5","1","4","6","7","1") = "6"
    & skf21("5","7","5","1","4","7","1","1") = "6"
    & skf21("5","7","5","1","4","7","2","1") = "6"
    & skf21("5","7","5","1","4","7","3","1") = "6"
    & skf21("5","7","5","1","4","7","4","1") = "6"
    & skf21("5","7","5","1","4","7","5","1") = "6"
    & skf21("5","7","5","1","4","7","6","1") = "6"
    & skf21("5","7","5","1","4","7","7","1") = "6"
    & skf21("5","7","5","1","5","1","1","1") = "6"
    & skf21("5","7","5","1","5","1","2","1") = "6"
    & skf21("5","7","5","1","5","1","3","1") = "6"
    & skf21("5","7","5","1","5","1","4","1") = "6"
    & skf21("5","7","5","1","5","1","5","1") = "6"
    & skf21("5","7","5","1","5","1","6","1") = "6"
    & skf21("5","7","5","1","5","1","7","1") = "6"
    & skf21("5","7","5","1","5","2","1","1") = "6"
    & skf21("5","7","5","1","5","2","2","1") = "6"
    & skf21("5","7","5","1","5","2","3","1") = "6"
    & skf21("5","7","5","1","5","2","4","1") = "6"
    & skf21("5","7","5","1","5","2","5","1") = "6"
    & skf21("5","7","5","1","5","2","6","1") = "6"
    & skf21("5","7","5","1","5","2","7","1") = "6"
    & skf21("5","7","5","1","5","3","1","1") = "6"
    & skf21("5","7","5","1","5","3","2","1") = "6"
    & skf21("5","7","5","1","5","3","3","1") = "6"
    & skf21("5","7","5","1","5","3","4","1") = "6"
    & skf21("5","7","5","1","5","3","5","1") = "6"
    & skf21("5","7","5","1","5","3","6","1") = "6"
    & skf21("5","7","5","1","5","3","7","1") = "6"
    & skf21("5","7","5","1","5","4","1","1") = "6"
    & skf21("5","7","5","1","5","4","2","1") = "6"
    & skf21("5","7","5","1","5","4","3","1") = "6"
    & skf21("5","7","5","1","5","4","4","1") = "6"
    & skf21("5","7","5","1","5","4","5","1") = "6"
    & skf21("5","7","5","1","5","4","6","1") = "6"
    & skf21("5","7","5","1","5","4","7","1") = "6"
    & skf21("5","7","5","1","5","5","1","1") = "6"
    & skf21("5","7","5","1","5","5","2","1") = "6"
    & skf21("5","7","5","1","5","5","3","1") = "6"
    & skf21("5","7","5","1","5","5","4","1") = "6"
    & skf21("5","7","5","1","5","5","5","1") = "6"
    & skf21("5","7","5","1","5","5","6","1") = "6"
    & skf21("5","7","5","1","5","5","7","1") = "6"
    & skf21("5","7","5","1","5","6","1","1") = "6"
    & skf21("5","7","5","1","5","6","2","1") = "6"
    & skf21("5","7","5","1","5","6","3","1") = "6"
    & skf21("5","7","5","1","5","6","4","1") = "6"
    & skf21("5","7","5","1","5","6","5","1") = "6"
    & skf21("5","7","5","1","5","6","6","1") = "6"
    & skf21("5","7","5","1","5","6","7","1") = "6"
    & skf21("5","7","5","1","5","7","1","1") = "6"
    & skf21("5","7","5","1","5","7","2","1") = "6"
    & skf21("5","7","5","1","5","7","3","1") = "6"
    & skf21("5","7","5","1","5","7","4","1") = "6"
    & skf21("5","7","5","1","5","7","5","1") = "6"
    & skf21("5","7","5","1","5","7","6","1") = "6"
    & skf21("5","7","5","1","5","7","7","1") = "6"
    & skf21("5","7","5","1","6","1","1","1") = "6"
    & skf21("5","7","5","1","6","1","2","1") = "6"
    & skf21("5","7","5","1","6","1","3","1") = "6"
    & skf21("5","7","5","1","6","1","4","1") = "6"
    & skf21("5","7","5","1","6","1","5","1") = "6"
    & skf21("5","7","5","1","6","1","6","1") = "6"
    & skf21("5","7","5","1","6","1","7","1") = "6"
    & skf21("5","7","5","1","6","2","1","1") = "6"
    & skf21("5","7","5","1","6","2","2","1") = "6"
    & skf21("5","7","5","1","6","2","3","1") = "6"
    & skf21("5","7","5","1","6","2","4","1") = "6"
    & skf21("5","7","5","1","6","2","5","1") = "6"
    & skf21("5","7","5","1","6","2","6","1") = "6"
    & skf21("5","7","5","1","6","2","7","1") = "6"
    & skf21("5","7","5","1","6","3","1","1") = "6"
    & skf21("5","7","5","1","6","3","2","1") = "6"
    & skf21("5","7","5","1","6","3","3","1") = "6"
    & skf21("5","7","5","1","6","3","4","1") = "6"
    & skf21("5","7","5","1","6","3","5","1") = "6"
    & skf21("5","7","5","1","6","3","6","1") = "6"
    & skf21("5","7","5","1","6","3","7","1") = "6"
    & skf21("5","7","5","1","6","4","1","1") = "6"
    & skf21("5","7","5","1","6","4","2","1") = "6"
    & skf21("5","7","5","1","6","4","3","1") = "6"
    & skf21("5","7","5","1","6","4","4","1") = "6"
    & skf21("5","7","5","1","6","4","5","1") = "6"
    & skf21("5","7","5","1","6","4","6","1") = "6"
    & skf21("5","7","5","1","6","4","7","1") = "6"
    & skf21("5","7","5","1","6","5","1","1") = "6"
    & skf21("5","7","5","1","6","5","2","1") = "6"
    & skf21("5","7","5","1","6","5","3","1") = "6"
    & skf21("5","7","5","1","6","5","4","1") = "6"
    & skf21("5","7","5","1","6","5","5","1") = "6"
    & skf21("5","7","5","1","6","5","6","1") = "6"
    & skf21("5","7","5","1","6","5","7","1") = "6"
    & skf21("5","7","5","1","6","6","1","1") = "6"
    & skf21("5","7","5","1","6","6","2","1") = "6"
    & skf21("5","7","5","1","6","6","3","1") = "6"
    & skf21("5","7","5","1","6","6","4","1") = "6"
    & skf21("5","7","5","1","6","6","5","1") = "6"
    & skf21("5","7","5","1","6","6","6","1") = "6"
    & skf21("5","7","5","1","6","6","7","1") = "6"
    & skf21("5","7","5","1","6","7","1","1") = "6"
    & skf21("5","7","5","1","6","7","2","1") = "6"
    & skf21("5","7","5","1","6","7","3","1") = "6"
    & skf21("5","7","5","1","6","7","4","1") = "6"
    & skf21("5","7","5","1","6","7","5","1") = "6"
    & skf21("5","7","5","1","6","7","6","1") = "6"
    & skf21("5","7","5","1","6","7","7","1") = "6"
    & skf21("5","7","5","1","7","1","1","1") = "6"
    & skf21("5","7","5","1","7","1","2","1") = "6"
    & skf21("5","7","5","1","7","1","3","1") = "6"
    & skf21("5","7","5","1","7","1","4","1") = "6"
    & skf21("5","7","5","1","7","1","5","1") = "6"
    & skf21("5","7","5","1","7","1","6","1") = "6"
    & skf21("5","7","5","1","7","1","7","1") = "6"
    & skf21("5","7","5","1","7","2","1","1") = "6"
    & skf21("5","7","5","1","7","2","2","1") = "6"
    & skf21("5","7","5","1","7","2","3","1") = "6"
    & skf21("5","7","5","1","7","2","4","1") = "6"
    & skf21("5","7","5","1","7","2","5","1") = "6"
    & skf21("5","7","5","1","7","2","6","1") = "6"
    & skf21("5","7","5","1","7","2","7","1") = "6"
    & skf21("5","7","5","1","7","3","1","1") = "6"
    & skf21("5","7","5","1","7","3","2","1") = "6"
    & skf21("5","7","5","1","7","3","3","1") = "6"
    & skf21("5","7","5","1","7","3","4","1") = "6"
    & skf21("5","7","5","1","7","3","5","1") = "6"
    & skf21("5","7","5","1","7","3","6","1") = "6"
    & skf21("5","7","5","1","7","3","7","1") = "6"
    & skf21("5","7","5","1","7","4","1","1") = "6"
    & skf21("5","7","5","1","7","4","2","1") = "6"
    & skf21("5","7","5","1","7","4","3","1") = "6"
    & skf21("5","7","5","1","7","4","4","1") = "6"
    & skf21("5","7","5","1","7","4","5","1") = "6"
    & skf21("5","7","5","1","7","4","6","1") = "6"
    & skf21("5","7","5","1","7","4","7","1") = "6"
    & skf21("5","7","5","1","7","5","1","1") = "6"
    & skf21("5","7","5","1","7","5","2","1") = "6"
    & skf21("5","7","5","1","7","5","3","1") = "6"
    & skf21("5","7","5","1","7","5","4","1") = "6"
    & skf21("5","7","5","1","7","5","5","1") = "6"
    & skf21("5","7","5","1","7","5","6","1") = "6"
    & skf21("5","7","5","1","7","5","7","1") = "6"
    & skf21("5","7","5","1","7","6","1","1") = "6"
    & skf21("5","7","5","1","7","6","2","1") = "6"
    & skf21("5","7","5","1","7","6","3","1") = "6"
    & skf21("5","7","5","1","7","6","4","1") = "6"
    & skf21("5","7","5","1","7","6","5","1") = "6"
    & skf21("5","7","5","1","7","6","6","1") = "6"
    & skf21("5","7","5","1","7","6","7","1") = "6"
    & skf21("5","7","5","1","7","7","1","1") = "6"
    & skf21("5","7","5","1","7","7","2","1") = "6"
    & skf21("5","7","5","1","7","7","3","1") = "6"
    & skf21("5","7","5","1","7","7","4","1") = "6"
    & skf21("5","7","5","1","7","7","5","1") = "6"
    & skf21("5","7","5","1","7","7","6","1") = "6"
    & skf21("5","7","5","1","7","7","7","1") = "6"
    & skf21("5","7","5","2","1","1","1","1") = "6"
    & skf21("5","7","5","2","1","1","2","1") = "6"
    & skf21("5","7","5","2","1","1","3","1") = "6"
    & skf21("5","7","5","2","1","1","4","1") = "6"
    & skf21("5","7","5","2","1","1","5","1") = "6"
    & skf21("5","7","5","2","1","1","6","1") = "6"
    & skf21("5","7","5","2","1","1","7","1") = "6"
    & skf21("5","7","5","2","1","2","1","1") = "6"
    & skf21("5","7","5","2","1","2","2","1") = "6"
    & skf21("5","7","5","2","1","2","3","1") = "6"
    & skf21("5","7","5","2","1","2","4","1") = "6"
    & skf21("5","7","5","2","1","2","5","1") = "6"
    & skf21("5","7","5","2","1","2","6","1") = "6"
    & skf21("5","7","5","2","1","2","7","1") = "6"
    & skf21("5","7","5","2","1","3","1","1") = "6"
    & skf21("5","7","5","2","1","3","2","1") = "6"
    & skf21("5","7","5","2","1","3","3","1") = "6"
    & skf21("5","7","5","2","1","3","4","1") = "6"
    & skf21("5","7","5","2","1","3","5","1") = "6"
    & skf21("5","7","5","2","1","3","6","1") = "6"
    & skf21("5","7","5","2","1","3","7","1") = "6"
    & skf21("5","7","5","2","1","4","1","1") = "6"
    & skf21("5","7","5","2","1","4","2","1") = "6"
    & skf21("5","7","5","2","1","4","3","1") = "6"
    & skf21("5","7","5","2","1","4","4","1") = "6"
    & skf21("5","7","5","2","1","4","5","1") = "6"
    & skf21("5","7","5","2","1","4","6","1") = "6"
    & skf21("5","7","5","2","1","4","7","1") = "6"
    & skf21("5","7","5","2","1","5","1","1") = "6"
    & skf21("5","7","5","2","1","5","2","1") = "6"
    & skf21("5","7","5","2","1","5","3","1") = "6"
    & skf21("5","7","5","2","1","5","4","1") = "6"
    & skf21("5","7","5","2","1","5","5","1") = "6"
    & skf21("5","7","5","2","1","5","6","1") = "6"
    & skf21("5","7","5","2","1","5","7","1") = "6"
    & skf21("5","7","5","2","1","6","1","1") = "6"
    & skf21("5","7","5","2","1","6","2","1") = "6"
    & skf21("5","7","5","2","1","6","3","1") = "6"
    & skf21("5","7","5","2","1","6","4","1") = "6"
    & skf21("5","7","5","2","1","6","5","1") = "6"
    & skf21("5","7","5","2","1","6","6","1") = "6"
    & skf21("5","7","5","2","1","6","7","1") = "6"
    & skf21("5","7","5","2","1","7","1","1") = "6"
    & skf21("5","7","5","2","1","7","2","1") = "6"
    & skf21("5","7","5","2","1","7","3","1") = "6"
    & skf21("5","7","5","2","1","7","4","1") = "6"
    & skf21("5","7","5","2","1","7","5","1") = "6"
    & skf21("5","7","5","2","1","7","6","1") = "6"
    & skf21("5","7","5","2","1","7","7","1") = "6"
    & skf21("5","7","5","2","2","1","1","1") = "6"
    & skf21("5","7","5","2","2","1","2","1") = "6"
    & skf21("5","7","5","2","2","1","3","1") = "6"
    & skf21("5","7","5","2","2","1","4","1") = "6"
    & skf21("5","7","5","2","2","1","5","1") = "6"
    & skf21("5","7","5","2","2","1","6","1") = "6"
    & skf21("5","7","5","2","2","1","7","1") = "6"
    & skf21("5","7","5","2","2","2","1","1") = "6"
    & skf21("5","7","5","2","2","2","2","1") = "6"
    & skf21("5","7","5","2","2","2","3","1") = "6"
    & skf21("5","7","5","2","2","2","4","1") = "6"
    & skf21("5","7","5","2","2","2","5","1") = "6"
    & skf21("5","7","5","2","2","2","6","1") = "6"
    & skf21("5","7","5","2","2","2","7","1") = "6"
    & skf21("5","7","5","2","2","3","1","1") = "6"
    & skf21("5","7","5","2","2","3","2","1") = "6"
    & skf21("5","7","5","2","2","3","3","1") = "6"
    & skf21("5","7","5","2","2","3","4","1") = "6"
    & skf21("5","7","5","2","2","3","5","1") = "6"
    & skf21("5","7","5","2","2","3","6","1") = "6"
    & skf21("5","7","5","2","2","3","7","1") = "6"
    & skf21("5","7","5","2","2","4","1","1") = "6"
    & skf21("5","7","5","2","2","4","2","1") = "6"
    & skf21("5","7","5","2","2","4","3","1") = "6"
    & skf21("5","7","5","2","2","4","4","1") = "6"
    & skf21("5","7","5","2","2","4","5","1") = "6"
    & skf21("5","7","5","2","2","4","6","1") = "6"
    & skf21("5","7","5","2","2","4","7","1") = "6"
    & skf21("5","7","5","2","2","5","1","1") = "6"
    & skf21("5","7","5","2","2","5","2","1") = "6"
    & skf21("5","7","5","2","2","5","3","1") = "6"
    & skf21("5","7","5","2","2","5","4","1") = "6"
    & skf21("5","7","5","2","2","5","5","1") = "6"
    & skf21("5","7","5","2","2","5","6","1") = "6"
    & skf21("5","7","5","2","2","5","7","1") = "6"
    & skf21("5","7","5","2","2","6","1","1") = "6"
    & skf21("5","7","5","2","2","6","2","1") = "6"
    & skf21("5","7","5","2","2","6","3","1") = "6"
    & skf21("5","7","5","2","2","6","4","1") = "6"
    & skf21("5","7","5","2","2","6","5","1") = "6"
    & skf21("5","7","5","2","2","6","6","1") = "6"
    & skf21("5","7","5","2","2","6","7","1") = "6"
    & skf21("5","7","5","2","2","7","1","1") = "6"
    & skf21("5","7","5","2","2","7","2","1") = "6"
    & skf21("5","7","5","2","2","7","3","1") = "6"
    & skf21("5","7","5","2","2","7","4","1") = "6"
    & skf21("5","7","5","2","2","7","5","1") = "6"
    & skf21("5","7","5","2","2","7","6","1") = "6"
    & skf21("5","7","5","2","2","7","7","1") = "6"
    & skf21("5","7","5","2","3","1","1","1") = "6"
    & skf21("5","7","5","2","3","1","2","1") = "6"
    & skf21("5","7","5","2","3","1","3","1") = "6"
    & skf21("5","7","5","2","3","1","4","1") = "6"
    & skf21("5","7","5","2","3","1","5","1") = "6"
    & skf21("5","7","5","2","3","1","6","1") = "6"
    & skf21("5","7","5","2","3","1","7","1") = "6"
    & skf21("5","7","5","2","3","2","1","1") = "6"
    & skf21("5","7","5","2","3","2","2","1") = "6"
    & skf21("5","7","5","2","3","2","3","1") = "6"
    & skf21("5","7","5","2","3","2","4","1") = "6"
    & skf21("5","7","5","2","3","2","5","1") = "6"
    & skf21("5","7","5","2","3","2","6","1") = "6"
    & skf21("5","7","5","2","3","2","7","1") = "6"
    & skf21("5","7","5","2","3","3","1","1") = "6"
    & skf21("5","7","5","2","3","3","2","1") = "6"
    & skf21("5","7","5","2","3","3","3","1") = "6"
    & skf21("5","7","5","2","3","3","4","1") = "6"
    & skf21("5","7","5","2","3","3","5","1") = "6"
    & skf21("5","7","5","2","3","3","6","1") = "6"
    & skf21("5","7","5","2","3","3","7","1") = "6"
    & skf21("5","7","5","2","3","4","1","1") = "6"
    & skf21("5","7","5","2","3","4","2","1") = "6"
    & skf21("5","7","5","2","3","4","3","1") = "6"
    & skf21("5","7","5","2","3","4","4","1") = "6"
    & skf21("5","7","5","2","3","4","5","1") = "6"
    & skf21("5","7","5","2","3","4","6","1") = "6"
    & skf21("5","7","5","2","3","4","7","1") = "6"
    & skf21("5","7","5","2","3","5","1","1") = "6"
    & skf21("5","7","5","2","3","5","2","1") = "6"
    & skf21("5","7","5","2","3","5","3","1") = "6"
    & skf21("5","7","5","2","3","5","4","1") = "6"
    & skf21("5","7","5","2","3","5","5","1") = "6"
    & skf21("5","7","5","2","3","5","6","1") = "6"
    & skf21("5","7","5","2","3","5","7","1") = "6"
    & skf21("5","7","5","2","3","6","1","1") = "6"
    & skf21("5","7","5","2","3","6","2","1") = "6"
    & skf21("5","7","5","2","3","6","3","1") = "6"
    & skf21("5","7","5","2","3","6","4","1") = "6"
    & skf21("5","7","5","2","3","6","5","1") = "6"
    & skf21("5","7","5","2","3","6","6","1") = "6"
    & skf21("5","7","5","2","3","6","7","1") = "6"
    & skf21("5","7","5","2","3","7","1","1") = "6"
    & skf21("5","7","5","2","3","7","2","1") = "6"
    & skf21("5","7","5","2","3","7","3","1") = "6"
    & skf21("5","7","5","2","3","7","4","1") = "6"
    & skf21("5","7","5","2","3","7","5","1") = "6"
    & skf21("5","7","5","2","3","7","6","1") = "6"
    & skf21("5","7","5","2","3","7","7","1") = "6"
    & skf21("5","7","5","2","4","1","1","1") = "6"
    & skf21("5","7","5","2","4","1","2","1") = "6"
    & skf21("5","7","5","2","4","1","3","1") = "6"
    & skf21("5","7","5","2","4","1","4","1") = "6"
    & skf21("5","7","5","2","4","1","5","1") = "6"
    & skf21("5","7","5","2","4","1","6","1") = "6"
    & skf21("5","7","5","2","4","1","7","1") = "6"
    & skf21("5","7","5","2","4","2","1","1") = "6"
    & skf21("5","7","5","2","4","2","2","1") = "6"
    & skf21("5","7","5","2","4","2","3","1") = "6"
    & skf21("5","7","5","2","4","2","4","1") = "6"
    & skf21("5","7","5","2","4","2","5","1") = "6"
    & skf21("5","7","5","2","4","2","6","1") = "6"
    & skf21("5","7","5","2","4","2","7","1") = "6"
    & skf21("5","7","5","2","4","3","1","1") = "6"
    & skf21("5","7","5","2","4","3","2","1") = "6"
    & skf21("5","7","5","2","4","3","3","1") = "6"
    & skf21("5","7","5","2","4","3","4","1") = "6"
    & skf21("5","7","5","2","4","3","5","1") = "6"
    & skf21("5","7","5","2","4","3","6","1") = "6"
    & skf21("5","7","5","2","4","3","7","1") = "6"
    & skf21("5","7","5","2","4","4","1","1") = "6"
    & skf21("5","7","5","2","4","4","2","1") = "6"
    & skf21("5","7","5","2","4","4","3","1") = "6"
    & skf21("5","7","5","2","4","4","4","1") = "6"
    & skf21("5","7","5","2","4","4","5","1") = "6"
    & skf21("5","7","5","2","4","4","6","1") = "6"
    & skf21("5","7","5","2","4","4","7","1") = "6"
    & skf21("5","7","5","2","4","5","1","1") = "6"
    & skf21("5","7","5","2","4","5","2","1") = "6"
    & skf21("5","7","5","2","4","5","3","1") = "6"
    & skf21("5","7","5","2","4","5","4","1") = "6"
    & skf21("5","7","5","2","4","5","5","1") = "6"
    & skf21("5","7","5","2","4","5","6","1") = "6"
    & skf21("5","7","5","2","4","5","7","1") = "6"
    & skf21("5","7","5","2","4","6","1","1") = "6"
    & skf21("5","7","5","2","4","6","2","1") = "6"
    & skf21("5","7","5","2","4","6","3","1") = "6"
    & skf21("5","7","5","2","4","6","4","1") = "6"
    & skf21("5","7","5","2","4","6","5","1") = "6"
    & skf21("5","7","5","2","4","6","6","1") = "6"
    & skf21("5","7","5","2","4","6","7","1") = "6"
    & skf21("5","7","5","2","4","7","1","1") = "6"
    & skf21("5","7","5","2","4","7","2","1") = "6"
    & skf21("5","7","5","2","4","7","3","1") = "6"
    & skf21("5","7","5","2","4","7","4","1") = "6"
    & skf21("5","7","5","2","4","7","5","1") = "6"
    & skf21("5","7","5","2","4","7","6","1") = "6"
    & skf21("5","7","5","2","4","7","7","1") = "6"
    & skf21("5","7","5","2","5","1","1","1") = "6"
    & skf21("5","7","5","2","5","1","2","1") = "6"
    & skf21("5","7","5","2","5","1","3","1") = "6"
    & skf21("5","7","5","2","5","1","4","1") = "6"
    & skf21("5","7","5","2","5","1","5","1") = "6"
    & skf21("5","7","5","2","5","1","6","1") = "6"
    & skf21("5","7","5","2","5","1","7","1") = "6"
    & skf21("5","7","5","2","5","2","1","1") = "6"
    & skf21("5","7","5","2","5","2","2","1") = "6"
    & skf21("5","7","5","2","5","2","3","1") = "6"
    & skf21("5","7","5","2","5","2","4","1") = "6"
    & skf21("5","7","5","2","5","2","5","1") = "6"
    & skf21("5","7","5","2","5","2","6","1") = "6"
    & skf21("5","7","5","2","5","2","7","1") = "6"
    & skf21("5","7","5","2","5","3","1","1") = "6"
    & skf21("5","7","5","2","5","3","2","1") = "6"
    & skf21("5","7","5","2","5","3","3","1") = "6"
    & skf21("5","7","5","2","5","3","4","1") = "6"
    & skf21("5","7","5","2","5","3","5","1") = "6"
    & skf21("5","7","5","2","5","3","6","1") = "6"
    & skf21("5","7","5","2","5","3","7","1") = "6"
    & skf21("5","7","5","2","5","4","1","1") = "6"
    & skf21("5","7","5","2","5","4","2","1") = "6"
    & skf21("5","7","5","2","5","4","3","1") = "6"
    & skf21("5","7","5","2","5","4","4","1") = "6"
    & skf21("5","7","5","2","5","4","5","1") = "6"
    & skf21("5","7","5","2","5","4","6","1") = "6"
    & skf21("5","7","5","2","5","4","7","1") = "6"
    & skf21("5","7","5","2","5","5","1","1") = "6"
    & skf21("5","7","5","2","5","5","2","1") = "6"
    & skf21("5","7","5","2","5","5","3","1") = "6"
    & skf21("5","7","5","2","5","5","4","1") = "6"
    & skf21("5","7","5","2","5","5","5","1") = "6"
    & skf21("5","7","5","2","5","5","6","1") = "6"
    & skf21("5","7","5","2","5","5","7","1") = "6"
    & skf21("5","7","5","2","5","6","1","1") = "6"
    & skf21("5","7","5","2","5","6","2","1") = "6"
    & skf21("5","7","5","2","5","6","3","1") = "6"
    & skf21("5","7","5","2","5","6","4","1") = "6"
    & skf21("5","7","5","2","5","6","5","1") = "6"
    & skf21("5","7","5","2","5","6","6","1") = "6"
    & skf21("5","7","5","2","5","6","7","1") = "6"
    & skf21("5","7","5","2","5","7","1","1") = "6"
    & skf21("5","7","5","2","5","7","2","1") = "6"
    & skf21("5","7","5","2","5","7","3","1") = "6"
    & skf21("5","7","5","2","5","7","4","1") = "6"
    & skf21("5","7","5","2","5","7","5","1") = "6"
    & skf21("5","7","5","2","5","7","6","1") = "6"
    & skf21("5","7","5","2","5","7","7","1") = "6"
    & skf21("5","7","5","2","6","1","1","1") = "6"
    & skf21("5","7","5","2","6","1","2","1") = "6"
    & skf21("5","7","5","2","6","1","3","1") = "6"
    & skf21("5","7","5","2","6","1","4","1") = "6"
    & skf21("5","7","5","2","6","1","5","1") = "6"
    & skf21("5","7","5","2","6","1","6","1") = "6"
    & skf21("5","7","5","2","6","1","7","1") = "6"
    & skf21("5","7","5","2","6","2","1","1") = "6"
    & skf21("5","7","5","2","6","2","2","1") = "6"
    & skf21("5","7","5","2","6","2","3","1") = "6"
    & skf21("5","7","5","2","6","2","4","1") = "6"
    & skf21("5","7","5","2","6","2","5","1") = "6"
    & skf21("5","7","5","2","6","2","6","1") = "6"
    & skf21("5","7","5","2","6","2","7","1") = "6"
    & skf21("5","7","5","2","6","3","1","1") = "6"
    & skf21("5","7","5","2","6","3","2","1") = "6"
    & skf21("5","7","5","2","6","3","3","1") = "6"
    & skf21("5","7","5","2","6","3","4","1") = "6"
    & skf21("5","7","5","2","6","3","5","1") = "6"
    & skf21("5","7","5","2","6","3","6","1") = "6"
    & skf21("5","7","5","2","6","3","7","1") = "6"
    & skf21("5","7","5","2","6","4","1","1") = "6"
    & skf21("5","7","5","2","6","4","2","1") = "6"
    & skf21("5","7","5","2","6","4","3","1") = "6"
    & skf21("5","7","5","2","6","4","4","1") = "6"
    & skf21("5","7","5","2","6","4","5","1") = "6"
    & skf21("5","7","5","2","6","4","6","1") = "6"
    & skf21("5","7","5","2","6","4","7","1") = "6"
    & skf21("5","7","5","2","6","5","1","1") = "6"
    & skf21("5","7","5","2","6","5","2","1") = "6"
    & skf21("5","7","5","2","6","5","3","1") = "6"
    & skf21("5","7","5","2","6","5","4","1") = "6"
    & skf21("5","7","5","2","6","5","5","1") = "6"
    & skf21("5","7","5","2","6","5","6","1") = "6"
    & skf21("5","7","5","2","6","5","7","1") = "6"
    & skf21("5","7","5","2","6","6","1","1") = "6"
    & skf21("5","7","5","2","6","6","2","1") = "6"
    & skf21("5","7","5","2","6","6","3","1") = "6"
    & skf21("5","7","5","2","6","6","4","1") = "6"
    & skf21("5","7","5","2","6","6","5","1") = "6"
    & skf21("5","7","5","2","6","6","6","1") = "6"
    & skf21("5","7","5","2","6","6","7","1") = "6"
    & skf21("5","7","5","2","6","7","1","1") = "6"
    & skf21("5","7","5","2","6","7","2","1") = "6"
    & skf21("5","7","5","2","6","7","3","1") = "6"
    & skf21("5","7","5","2","6","7","4","1") = "6"
    & skf21("5","7","5","2","6","7","5","1") = "6"
    & skf21("5","7","5","2","6","7","6","1") = "6"
    & skf21("5","7","5","2","6","7","7","1") = "6"
    & skf21("5","7","5","2","7","1","1","1") = "6"
    & skf21("5","7","5","2","7","1","2","1") = "6"
    & skf21("5","7","5","2","7","1","3","1") = "6"
    & skf21("5","7","5","2","7","1","4","1") = "6"
    & skf21("5","7","5","2","7","1","5","1") = "6"
    & skf21("5","7","5","2","7","1","6","1") = "6"
    & skf21("5","7","5","2","7","1","7","1") = "6"
    & skf21("5","7","5","2","7","2","1","1") = "6"
    & skf21("5","7","5","2","7","2","2","1") = "6"
    & skf21("5","7","5","2","7","2","3","1") = "6"
    & skf21("5","7","5","2","7","2","4","1") = "6"
    & skf21("5","7","5","2","7","2","5","1") = "6"
    & skf21("5","7","5","2","7","2","6","1") = "6"
    & skf21("5","7","5","2","7","2","7","1") = "6"
    & skf21("5","7","5","2","7","3","1","1") = "6"
    & skf21("5","7","5","2","7","3","2","1") = "6"
    & skf21("5","7","5","2","7","3","3","1") = "6"
    & skf21("5","7","5","2","7","3","4","1") = "6"
    & skf21("5","7","5","2","7","3","5","1") = "6"
    & skf21("5","7","5","2","7","3","6","1") = "6"
    & skf21("5","7","5","2","7","3","7","1") = "6"
    & skf21("5","7","5","2","7","4","1","1") = "6"
    & skf21("5","7","5","2","7","4","2","1") = "6"
    & skf21("5","7","5","2","7","4","3","1") = "6"
    & skf21("5","7","5","2","7","4","4","1") = "6"
    & skf21("5","7","5","2","7","4","5","1") = "6"
    & skf21("5","7","5","2","7","4","6","1") = "6"
    & skf21("5","7","5","2","7","4","7","1") = "6"
    & skf21("5","7","5","2","7","5","1","1") = "6"
    & skf21("5","7","5","2","7","5","2","1") = "6"
    & skf21("5","7","5","2","7","5","3","1") = "6"
    & skf21("5","7","5","2","7","5","4","1") = "6"
    & skf21("5","7","5","2","7","5","5","1") = "6"
    & skf21("5","7","5","2","7","5","6","1") = "6"
    & skf21("5","7","5","2","7","5","7","1") = "6"
    & skf21("5","7","5","2","7","6","1","1") = "6"
    & skf21("5","7","5","2","7","6","2","1") = "6"
    & skf21("5","7","5","2","7","6","3","1") = "6"
    & skf21("5","7","5","2","7","6","4","1") = "6"
    & skf21("5","7","5","2","7","6","5","1") = "6"
    & skf21("5","7","5","2","7","6","6","1") = "6"
    & skf21("5","7","5","2","7","6","7","1") = "6"
    & skf21("5","7","5","2","7","7","1","1") = "6"
    & skf21("5","7","5","2","7","7","2","1") = "6"
    & skf21("5","7","5","2","7","7","3","1") = "6"
    & skf21("5","7","5","2","7","7","4","1") = "6"
    & skf21("5","7","5","2","7","7","5","1") = "6"
    & skf21("5","7","5","2","7","7","6","1") = "6"
    & skf21("5","7","5","2","7","7","7","1") = "6"
    & skf21("5","7","5","3","1","1","1","1") = "6"
    & skf21("5","7","5","3","1","1","2","1") = "6"
    & skf21("5","7","5","3","1","1","3","1") = "6"
    & skf21("5","7","5","3","1","1","4","1") = "6"
    & skf21("5","7","5","3","1","1","5","1") = "6"
    & skf21("5","7","5","3","1","1","6","1") = "6"
    & skf21("5","7","5","3","1","1","7","1") = "6"
    & skf21("5","7","5","3","1","2","1","1") = "6"
    & skf21("5","7","5","3","1","2","2","1") = "6"
    & skf21("5","7","5","3","1","2","3","1") = "6"
    & skf21("5","7","5","3","1","2","4","1") = "6"
    & skf21("5","7","5","3","1","2","5","1") = "6"
    & skf21("5","7","5","3","1","2","6","1") = "6"
    & skf21("5","7","5","3","1","2","7","1") = "6"
    & skf21("5","7","5","3","1","3","1","1") = "6"
    & skf21("5","7","5","3","1","3","2","1") = "6"
    & skf21("5","7","5","3","1","3","3","1") = "6"
    & skf21("5","7","5","3","1","3","4","1") = "6"
    & skf21("5","7","5","3","1","3","5","1") = "6"
    & skf21("5","7","5","3","1","3","6","1") = "6"
    & skf21("5","7","5","3","1","3","7","1") = "6"
    & skf21("5","7","5","3","1","4","1","1") = "6"
    & skf21("5","7","5","3","1","4","2","1") = "6"
    & skf21("5","7","5","3","1","4","3","1") = "6"
    & skf21("5","7","5","3","1","4","4","1") = "6"
    & skf21("5","7","5","3","1","4","5","1") = "6"
    & skf21("5","7","5","3","1","4","6","1") = "6"
    & skf21("5","7","5","3","1","4","7","1") = "6"
    & skf21("5","7","5","3","1","5","1","1") = "6"
    & skf21("5","7","5","3","1","5","2","1") = "6"
    & skf21("5","7","5","3","1","5","3","1") = "6"
    & skf21("5","7","5","3","1","5","4","1") = "6"
    & skf21("5","7","5","3","1","5","5","1") = "6"
    & skf21("5","7","5","3","1","5","6","1") = "6"
    & skf21("5","7","5","3","1","5","7","1") = "6"
    & skf21("5","7","5","3","1","6","1","1") = "6"
    & skf21("5","7","5","3","1","6","2","1") = "6"
    & skf21("5","7","5","3","1","6","3","1") = "6"
    & skf21("5","7","5","3","1","6","4","1") = "6"
    & skf21("5","7","5","3","1","6","5","1") = "6"
    & skf21("5","7","5","3","1","6","6","1") = "6"
    & skf21("5","7","5","3","1","6","7","1") = "6"
    & skf21("5","7","5","3","1","7","1","1") = "6"
    & skf21("5","7","5","3","1","7","2","1") = "6"
    & skf21("5","7","5","3","1","7","3","1") = "6"
    & skf21("5","7","5","3","1","7","4","1") = "6"
    & skf21("5","7","5","3","1","7","5","1") = "6"
    & skf21("5","7","5","3","1","7","6","1") = "6"
    & skf21("5","7","5","3","1","7","7","1") = "6"
    & skf21("5","7","5","3","2","1","1","1") = "6"
    & skf21("5","7","5","3","2","1","2","1") = "6"
    & skf21("5","7","5","3","2","1","3","1") = "6"
    & skf21("5","7","5","3","2","1","4","1") = "6"
    & skf21("5","7","5","3","2","1","5","1") = "6"
    & skf21("5","7","5","3","2","1","6","1") = "6"
    & skf21("5","7","5","3","2","1","7","1") = "6"
    & skf21("5","7","5","3","2","2","1","1") = "6"
    & skf21("5","7","5","3","2","2","2","1") = "6"
    & skf21("5","7","5","3","2","2","3","1") = "6"
    & skf21("5","7","5","3","2","2","4","1") = "6"
    & skf21("5","7","5","3","2","2","5","1") = "6"
    & skf21("5","7","5","3","2","2","6","1") = "6"
    & skf21("5","7","5","3","2","2","7","1") = "6"
    & skf21("5","7","5","3","2","3","1","1") = "6"
    & skf21("5","7","5","3","2","3","2","1") = "6"
    & skf21("5","7","5","3","2","3","3","1") = "6"
    & skf21("5","7","5","3","2","3","4","1") = "6"
    & skf21("5","7","5","3","2","3","5","1") = "6"
    & skf21("5","7","5","3","2","3","6","1") = "6"
    & skf21("5","7","5","3","2","3","7","1") = "6"
    & skf21("5","7","5","3","2","4","1","1") = "6"
    & skf21("5","7","5","3","2","4","2","1") = "6"
    & skf21("5","7","5","3","2","4","3","1") = "6"
    & skf21("5","7","5","3","2","4","4","1") = "6"
    & skf21("5","7","5","3","2","4","5","1") = "6"
    & skf21("5","7","5","3","2","4","6","1") = "6"
    & skf21("5","7","5","3","2","4","7","1") = "6"
    & skf21("5","7","5","3","2","5","1","1") = "6"
    & skf21("5","7","5","3","2","5","2","1") = "6"
    & skf21("5","7","5","3","2","5","3","1") = "6"
    & skf21("5","7","5","3","2","5","4","1") = "6"
    & skf21("5","7","5","3","2","5","5","1") = "6"
    & skf21("5","7","5","3","2","5","6","1") = "6"
    & skf21("5","7","5","3","2","5","7","1") = "6"
    & skf21("5","7","5","3","2","6","1","1") = "6"
    & skf21("5","7","5","3","2","6","2","1") = "6"
    & skf21("5","7","5","3","2","6","3","1") = "6"
    & skf21("5","7","5","3","2","6","4","1") = "6"
    & skf21("5","7","5","3","2","6","5","1") = "6"
    & skf21("5","7","5","3","2","6","6","1") = "6"
    & skf21("5","7","5","3","2","6","7","1") = "6"
    & skf21("5","7","5","3","2","7","1","1") = "6"
    & skf21("5","7","5","3","2","7","2","1") = "6"
    & skf21("5","7","5","3","2","7","3","1") = "6"
    & skf21("5","7","5","3","2","7","4","1") = "6"
    & skf21("5","7","5","3","2","7","5","1") = "6"
    & skf21("5","7","5","3","2","7","6","1") = "6"
    & skf21("5","7","5","3","2","7","7","1") = "6"
    & skf21("5","7","5","3","3","1","1","1") = "6"
    & skf21("5","7","5","3","3","1","2","1") = "6"
    & skf21("5","7","5","3","3","1","3","1") = "6"
    & skf21("5","7","5","3","3","1","4","1") = "6"
    & skf21("5","7","5","3","3","1","5","1") = "6"
    & skf21("5","7","5","3","3","1","6","1") = "6"
    & skf21("5","7","5","3","3","1","7","1") = "6"
    & skf21("5","7","5","3","3","2","1","1") = "6"
    & skf21("5","7","5","3","3","2","2","1") = "6"
    & skf21("5","7","5","3","3","2","3","1") = "6"
    & skf21("5","7","5","3","3","2","4","1") = "6"
    & skf21("5","7","5","3","3","2","5","1") = "6"
    & skf21("5","7","5","3","3","2","6","1") = "6"
    & skf21("5","7","5","3","3","2","7","1") = "6"
    & skf21("5","7","5","3","3","3","1","1") = "6"
    & skf21("5","7","5","3","3","3","2","1") = "6"
    & skf21("5","7","5","3","3","3","3","1") = "6"
    & skf21("5","7","5","3","3","3","4","1") = "6"
    & skf21("5","7","5","3","3","3","5","1") = "6"
    & skf21("5","7","5","3","3","3","6","1") = "6"
    & skf21("5","7","5","3","3","3","7","1") = "6"
    & skf21("5","7","5","3","3","4","1","1") = "6"
    & skf21("5","7","5","3","3","4","2","1") = "6"
    & skf21("5","7","5","3","3","4","3","1") = "6"
    & skf21("5","7","5","3","3","4","4","1") = "6"
    & skf21("5","7","5","3","3","4","5","1") = "6"
    & skf21("5","7","5","3","3","4","6","1") = "6"
    & skf21("5","7","5","3","3","4","7","1") = "6"
    & skf21("5","7","5","3","3","5","1","1") = "6"
    & skf21("5","7","5","3","3","5","2","1") = "6"
    & skf21("5","7","5","3","3","5","3","1") = "6"
    & skf21("5","7","5","3","3","5","4","1") = "6"
    & skf21("5","7","5","3","3","5","5","1") = "6"
    & skf21("5","7","5","3","3","5","6","1") = "6"
    & skf21("5","7","5","3","3","5","7","1") = "6"
    & skf21("5","7","5","3","3","6","1","1") = "6"
    & skf21("5","7","5","3","3","6","2","1") = "6"
    & skf21("5","7","5","3","3","6","3","1") = "6"
    & skf21("5","7","5","3","3","6","4","1") = "6"
    & skf21("5","7","5","3","3","6","5","1") = "6"
    & skf21("5","7","5","3","3","6","6","1") = "6"
    & skf21("5","7","5","3","3","6","7","1") = "6"
    & skf21("5","7","5","3","3","7","1","1") = "6"
    & skf21("5","7","5","3","3","7","2","1") = "6"
    & skf21("5","7","5","3","3","7","3","1") = "6"
    & skf21("5","7","5","3","3","7","4","1") = "6"
    & skf21("5","7","5","3","3","7","5","1") = "6"
    & skf21("5","7","5","3","3","7","6","1") = "6"
    & skf21("5","7","5","3","3","7","7","1") = "6"
    & skf21("5","7","5","3","4","1","1","1") = "6"
    & skf21("5","7","5","3","4","1","2","1") = "6"
    & skf21("5","7","5","3","4","1","3","1") = "6"
    & skf21("5","7","5","3","4","1","4","1") = "6"
    & skf21("5","7","5","3","4","1","5","1") = "6"
    & skf21("5","7","5","3","4","1","6","1") = "6"
    & skf21("5","7","5","3","4","1","7","1") = "6"
    & skf21("5","7","5","3","4","2","1","1") = "6"
    & skf21("5","7","5","3","4","2","2","1") = "6"
    & skf21("5","7","5","3","4","2","3","1") = "6"
    & skf21("5","7","5","3","4","2","4","1") = "6"
    & skf21("5","7","5","3","4","2","5","1") = "6"
    & skf21("5","7","5","3","4","2","6","1") = "6"
    & skf21("5","7","5","3","4","2","7","1") = "6"
    & skf21("5","7","5","3","4","3","1","1") = "6"
    & skf21("5","7","5","3","4","3","2","1") = "6"
    & skf21("5","7","5","3","4","3","3","1") = "6"
    & skf21("5","7","5","3","4","3","4","1") = "6"
    & skf21("5","7","5","3","4","3","5","1") = "6"
    & skf21("5","7","5","3","4","3","6","1") = "6"
    & skf21("5","7","5","3","4","3","7","1") = "6"
    & skf21("5","7","5","3","4","4","1","1") = "6"
    & skf21("5","7","5","3","4","4","2","1") = "6"
    & skf21("5","7","5","3","4","4","3","1") = "6"
    & skf21("5","7","5","3","4","4","4","1") = "6"
    & skf21("5","7","5","3","4","4","5","1") = "6"
    & skf21("5","7","5","3","4","4","6","1") = "6"
    & skf21("5","7","5","3","4","4","7","1") = "6"
    & skf21("5","7","5","3","4","5","1","1") = "6"
    & skf21("5","7","5","3","4","5","2","1") = "6"
    & skf21("5","7","5","3","4","5","3","1") = "6"
    & skf21("5","7","5","3","4","5","4","1") = "6"
    & skf21("5","7","5","3","4","5","5","1") = "6"
    & skf21("5","7","5","3","4","5","6","1") = "6"
    & skf21("5","7","5","3","4","5","7","1") = "6"
    & skf21("5","7","5","3","4","6","1","1") = "6"
    & skf21("5","7","5","3","4","6","2","1") = "6"
    & skf21("5","7","5","3","4","6","3","1") = "6"
    & skf21("5","7","5","3","4","6","4","1") = "6"
    & skf21("5","7","5","3","4","6","5","1") = "6"
    & skf21("5","7","5","3","4","6","6","1") = "6"
    & skf21("5","7","5","3","4","6","7","1") = "6"
    & skf21("5","7","5","3","4","7","1","1") = "6"
    & skf21("5","7","5","3","4","7","2","1") = "6"
    & skf21("5","7","5","3","4","7","3","1") = "6"
    & skf21("5","7","5","3","4","7","4","1") = "6"
    & skf21("5","7","5","3","4","7","5","1") = "6"
    & skf21("5","7","5","3","4","7","6","1") = "6"
    & skf21("5","7","5","3","4","7","7","1") = "6"
    & skf21("5","7","5","3","5","1","1","1") = "6"
    & skf21("5","7","5","3","5","1","2","1") = "6"
    & skf21("5","7","5","3","5","1","3","1") = "6"
    & skf21("5","7","5","3","5","1","4","1") = "6"
    & skf21("5","7","5","3","5","1","5","1") = "6"
    & skf21("5","7","5","3","5","1","6","1") = "6"
    & skf21("5","7","5","3","5","1","7","1") = "6"
    & skf21("5","7","5","3","5","2","1","1") = "6"
    & skf21("5","7","5","3","5","2","2","1") = "6"
    & skf21("5","7","5","3","5","2","3","1") = "6"
    & skf21("5","7","5","3","5","2","4","1") = "6"
    & skf21("5","7","5","3","5","2","5","1") = "6"
    & skf21("5","7","5","3","5","2","6","1") = "6"
    & skf21("5","7","5","3","5","2","7","1") = "6"
    & skf21("5","7","5","3","5","3","1","1") = "6"
    & skf21("5","7","5","3","5","3","2","1") = "6"
    & skf21("5","7","5","3","5","3","3","1") = "6"
    & skf21("5","7","5","3","5","3","4","1") = "6"
    & skf21("5","7","5","3","5","3","5","1") = "6"
    & skf21("5","7","5","3","5","3","6","1") = "6"
    & skf21("5","7","5","3","5","3","7","1") = "6"
    & skf21("5","7","5","3","5","4","1","1") = "6"
    & skf21("5","7","5","3","5","4","2","1") = "6"
    & skf21("5","7","5","3","5","4","3","1") = "6"
    & skf21("5","7","5","3","5","4","4","1") = "6"
    & skf21("5","7","5","3","5","4","5","1") = "6"
    & skf21("5","7","5","3","5","4","6","1") = "6"
    & skf21("5","7","5","3","5","4","7","1") = "6"
    & skf21("5","7","5","3","5","5","1","1") = "6"
    & skf21("5","7","5","3","5","5","2","1") = "6"
    & skf21("5","7","5","3","5","5","3","1") = "6"
    & skf21("5","7","5","3","5","5","4","1") = "6"
    & skf21("5","7","5","3","5","5","5","1") = "6"
    & skf21("5","7","5","3","5","5","6","1") = "6"
    & skf21("5","7","5","3","5","5","7","1") = "6"
    & skf21("5","7","5","3","5","6","1","1") = "6"
    & skf21("5","7","5","3","5","6","2","1") = "6"
    & skf21("5","7","5","3","5","6","3","1") = "6"
    & skf21("5","7","5","3","5","6","4","1") = "6"
    & skf21("5","7","5","3","5","6","5","1") = "6"
    & skf21("5","7","5","3","5","6","6","1") = "6"
    & skf21("5","7","5","3","5","6","7","1") = "6"
    & skf21("5","7","5","3","5","7","1","1") = "6"
    & skf21("5","7","5","3","5","7","2","1") = "6"
    & skf21("5","7","5","3","5","7","3","1") = "6"
    & skf21("5","7","5","3","5","7","4","1") = "6"
    & skf21("5","7","5","3","5","7","5","1") = "6"
    & skf21("5","7","5","3","5","7","6","1") = "6"
    & skf21("5","7","5","3","5","7","7","1") = "6"
    & skf21("5","7","5","3","6","1","1","1") = "6"
    & skf21("5","7","5","3","6","1","2","1") = "6"
    & skf21("5","7","5","3","6","1","3","1") = "6"
    & skf21("5","7","5","3","6","1","4","1") = "6"
    & skf21("5","7","5","3","6","1","5","1") = "6"
    & skf21("5","7","5","3","6","1","6","1") = "6"
    & skf21("5","7","5","3","6","1","7","1") = "6"
    & skf21("5","7","5","3","6","2","1","1") = "6"
    & skf21("5","7","5","3","6","2","2","1") = "6"
    & skf21("5","7","5","3","6","2","3","1") = "6"
    & skf21("5","7","5","3","6","2","4","1") = "6"
    & skf21("5","7","5","3","6","2","5","1") = "6"
    & skf21("5","7","5","3","6","2","6","1") = "6"
    & skf21("5","7","5","3","6","2","7","1") = "6"
    & skf21("5","7","5","3","6","3","1","1") = "6"
    & skf21("5","7","5","3","6","3","2","1") = "6"
    & skf21("5","7","5","3","6","3","3","1") = "6"
    & skf21("5","7","5","3","6","3","4","1") = "6"
    & skf21("5","7","5","3","6","3","5","1") = "6"
    & skf21("5","7","5","3","6","3","6","1") = "6"
    & skf21("5","7","5","3","6","3","7","1") = "6"
    & skf21("5","7","5","3","6","4","1","1") = "6"
    & skf21("5","7","5","3","6","4","2","1") = "6"
    & skf21("5","7","5","3","6","4","3","1") = "6"
    & skf21("5","7","5","3","6","4","4","1") = "6"
    & skf21("5","7","5","3","6","4","5","1") = "6"
    & skf21("5","7","5","3","6","4","6","1") = "6"
    & skf21("5","7","5","3","6","4","7","1") = "6"
    & skf21("5","7","5","3","6","5","1","1") = "6"
    & skf21("5","7","5","3","6","5","2","1") = "6"
    & skf21("5","7","5","3","6","5","3","1") = "6"
    & skf21("5","7","5","3","6","5","4","1") = "6"
    & skf21("5","7","5","3","6","5","5","1") = "6"
    & skf21("5","7","5","3","6","5","6","1") = "6"
    & skf21("5","7","5","3","6","5","7","1") = "6"
    & skf21("5","7","5","3","6","6","1","1") = "6"
    & skf21("5","7","5","3","6","6","2","1") = "6"
    & skf21("5","7","5","3","6","6","3","1") = "6"
    & skf21("5","7","5","3","6","6","4","1") = "6"
    & skf21("5","7","5","3","6","6","5","1") = "6"
    & skf21("5","7","5","3","6","6","6","1") = "6"
    & skf21("5","7","5","3","6","6","7","1") = "6"
    & skf21("5","7","5","3","6","7","1","1") = "6"
    & skf21("5","7","5","3","6","7","2","1") = "6"
    & skf21("5","7","5","3","6","7","3","1") = "6"
    & skf21("5","7","5","3","6","7","4","1") = "6"
    & skf21("5","7","5","3","6","7","5","1") = "6"
    & skf21("5","7","5","3","6","7","6","1") = "6"
    & skf21("5","7","5","3","6","7","7","1") = "6"
    & skf21("5","7","5","3","7","1","1","1") = "6"
    & skf21("5","7","5","3","7","1","2","1") = "6"
    & skf21("5","7","5","3","7","1","3","1") = "6"
    & skf21("5","7","5","3","7","1","4","1") = "6"
    & skf21("5","7","5","3","7","1","5","1") = "6"
    & skf21("5","7","5","3","7","1","6","1") = "6"
    & skf21("5","7","5","3","7","1","7","1") = "6"
    & skf21("5","7","5","3","7","2","1","1") = "6"
    & skf21("5","7","5","3","7","2","2","1") = "6"
    & skf21("5","7","5","3","7","2","3","1") = "6"
    & skf21("5","7","5","3","7","2","4","1") = "6"
    & skf21("5","7","5","3","7","2","5","1") = "6"
    & skf21("5","7","5","3","7","2","6","1") = "6"
    & skf21("5","7","5","3","7","2","7","1") = "6"
    & skf21("5","7","5","3","7","3","1","1") = "6"
    & skf21("5","7","5","3","7","3","2","1") = "6"
    & skf21("5","7","5","3","7","3","3","1") = "6"
    & skf21("5","7","5","3","7","3","4","1") = "6"
    & skf21("5","7","5","3","7","3","5","1") = "6"
    & skf21("5","7","5","3","7","3","6","1") = "6"
    & skf21("5","7","5","3","7","3","7","1") = "6"
    & skf21("5","7","5","3","7","4","1","1") = "6"
    & skf21("5","7","5","3","7","4","2","1") = "6"
    & skf21("5","7","5","3","7","4","3","1") = "6"
    & skf21("5","7","5","3","7","4","4","1") = "6"
    & skf21("5","7","5","3","7","4","5","1") = "6"
    & skf21("5","7","5","3","7","4","6","1") = "6"
    & skf21("5","7","5","3","7","4","7","1") = "6"
    & skf21("5","7","5","3","7","5","1","1") = "6"
    & skf21("5","7","5","3","7","5","2","1") = "6"
    & skf21("5","7","5","3","7","5","3","1") = "6"
    & skf21("5","7","5","3","7","5","4","1") = "6"
    & skf21("5","7","5","3","7","5","5","1") = "6"
    & skf21("5","7","5","3","7","5","6","1") = "6"
    & skf21("5","7","5","3","7","5","7","1") = "6"
    & skf21("5","7","5","3","7","6","1","1") = "6"
    & skf21("5","7","5","3","7","6","2","1") = "6"
    & skf21("5","7","5","3","7","6","3","1") = "6"
    & skf21("5","7","5","3","7","6","4","1") = "6"
    & skf21("5","7","5","3","7","6","5","1") = "6"
    & skf21("5","7","5","3","7","6","6","1") = "6"
    & skf21("5","7","5","3","7","6","7","1") = "6"
    & skf21("5","7","5","3","7","7","1","1") = "6"
    & skf21("5","7","5","3","7","7","2","1") = "6"
    & skf21("5","7","5","3","7","7","3","1") = "6"
    & skf21("5","7","5","3","7","7","4","1") = "6"
    & skf21("5","7","5","3","7","7","5","1") = "6"
    & skf21("5","7","5","3","7","7","6","1") = "6"
    & skf21("5","7","5","3","7","7","7","1") = "6"
    & skf21("5","7","5","4","1","1","1","1") = "6"
    & skf21("5","7","5","4","1","1","2","1") = "6"
    & skf21("5","7","5","4","1","1","3","1") = "6"
    & skf21("5","7","5","4","1","1","4","1") = "6"
    & skf21("5","7","5","4","1","1","5","1") = "6"
    & skf21("5","7","5","4","1","1","6","1") = "6"
    & skf21("5","7","5","4","1","1","7","1") = "6"
    & skf21("5","7","5","4","1","2","1","1") = "6"
    & skf21("5","7","5","4","1","2","2","1") = "6"
    & skf21("5","7","5","4","1","2","3","1") = "6"
    & skf21("5","7","5","4","1","2","4","1") = "6"
    & skf21("5","7","5","4","1","2","5","1") = "6"
    & skf21("5","7","5","4","1","2","6","1") = "6"
    & skf21("5","7","5","4","1","2","7","1") = "6"
    & skf21("5","7","5","4","1","3","1","1") = "6"
    & skf21("5","7","5","4","1","3","2","1") = "6"
    & skf21("5","7","5","4","1","3","3","1") = "6"
    & skf21("5","7","5","4","1","3","4","1") = "6"
    & skf21("5","7","5","4","1","3","5","1") = "6"
    & skf21("5","7","5","4","1","3","6","1") = "6"
    & skf21("5","7","5","4","1","3","7","1") = "6"
    & skf21("5","7","5","4","1","4","1","1") = "6"
    & skf21("5","7","5","4","1","4","2","1") = "6"
    & skf21("5","7","5","4","1","4","3","1") = "6"
    & skf21("5","7","5","4","1","4","4","1") = "6"
    & skf21("5","7","5","4","1","4","5","1") = "6"
    & skf21("5","7","5","4","1","4","6","1") = "6"
    & skf21("5","7","5","4","1","4","7","1") = "6"
    & skf21("5","7","5","4","1","5","1","1") = "6"
    & skf21("5","7","5","4","1","5","2","1") = "6"
    & skf21("5","7","5","4","1","5","3","1") = "6"
    & skf21("5","7","5","4","1","5","4","1") = "6"
    & skf21("5","7","5","4","1","5","5","1") = "6"
    & skf21("5","7","5","4","1","5","6","1") = "6"
    & skf21("5","7","5","4","1","5","7","1") = "6"
    & skf21("5","7","5","4","1","6","1","1") = "6"
    & skf21("5","7","5","4","1","6","2","1") = "6"
    & skf21("5","7","5","4","1","6","3","1") = "6"
    & skf21("5","7","5","4","1","6","4","1") = "6"
    & skf21("5","7","5","4","1","6","5","1") = "6"
    & skf21("5","7","5","4","1","6","6","1") = "6"
    & skf21("5","7","5","4","1","6","7","1") = "6"
    & skf21("5","7","5","4","1","7","1","1") = "6"
    & skf21("5","7","5","4","1","7","2","1") = "6"
    & skf21("5","7","5","4","1","7","3","1") = "6"
    & skf21("5","7","5","4","1","7","4","1") = "6"
    & skf21("5","7","5","4","1","7","5","1") = "6"
    & skf21("5","7","5","4","1","7","6","1") = "6"
    & skf21("5","7","5","4","1","7","7","1") = "6"
    & skf21("5","7","5","4","2","1","1","1") = "6"
    & skf21("5","7","5","4","2","1","2","1") = "6"
    & skf21("5","7","5","4","2","1","3","1") = "6"
    & skf21("5","7","5","4","2","1","4","1") = "6"
    & skf21("5","7","5","4","2","1","5","1") = "6"
    & skf21("5","7","5","4","2","1","6","1") = "6"
    & skf21("5","7","5","4","2","1","7","1") = "6"
    & skf21("5","7","5","4","2","2","1","1") = "6"
    & skf21("5","7","5","4","2","2","2","1") = "6"
    & skf21("5","7","5","4","2","2","3","1") = "6"
    & skf21("5","7","5","4","2","2","4","1") = "6"
    & skf21("5","7","5","4","2","2","5","1") = "6"
    & skf21("5","7","5","4","2","2","6","1") = "6"
    & skf21("5","7","5","4","2","2","7","1") = "6"
    & skf21("5","7","5","4","2","3","1","1") = "6"
    & skf21("5","7","5","4","2","3","2","1") = "6"
    & skf21("5","7","5","4","2","3","3","1") = "6"
    & skf21("5","7","5","4","2","3","4","1") = "6"
    & skf21("5","7","5","4","2","3","5","1") = "6"
    & skf21("5","7","5","4","2","3","6","1") = "6"
    & skf21("5","7","5","4","2","3","7","1") = "6"
    & skf21("5","7","5","4","2","4","1","1") = "6"
    & skf21("5","7","5","4","2","4","2","1") = "6"
    & skf21("5","7","5","4","2","4","3","1") = "6"
    & skf21("5","7","5","4","2","4","4","1") = "6"
    & skf21("5","7","5","4","2","4","5","1") = "6"
    & skf21("5","7","5","4","2","4","6","1") = "6"
    & skf21("5","7","5","4","2","4","7","1") = "6"
    & skf21("5","7","5","4","2","5","1","1") = "6"
    & skf21("5","7","5","4","2","5","2","1") = "6"
    & skf21("5","7","5","4","2","5","3","1") = "6"
    & skf21("5","7","5","4","2","5","4","1") = "6"
    & skf21("5","7","5","4","2","5","5","1") = "6"
    & skf21("5","7","5","4","2","5","6","1") = "6"
    & skf21("5","7","5","4","2","5","7","1") = "6"
    & skf21("5","7","5","4","2","6","1","1") = "6"
    & skf21("5","7","5","4","2","6","2","1") = "6"
    & skf21("5","7","5","4","2","6","3","1") = "6"
    & skf21("5","7","5","4","2","6","4","1") = "6"
    & skf21("5","7","5","4","2","6","5","1") = "6"
    & skf21("5","7","5","4","2","6","6","1") = "6"
    & skf21("5","7","5","4","2","6","7","1") = "6"
    & skf21("5","7","5","4","2","7","1","1") = "6"
    & skf21("5","7","5","4","2","7","2","1") = "6"
    & skf21("5","7","5","4","2","7","3","1") = "6"
    & skf21("5","7","5","4","2","7","4","1") = "6"
    & skf21("5","7","5","4","2","7","5","1") = "6"
    & skf21("5","7","5","4","2","7","6","1") = "6"
    & skf21("5","7","5","4","2","7","7","1") = "6"
    & skf21("5","7","5","4","3","1","1","1") = "6"
    & skf21("5","7","5","4","3","1","2","1") = "6"
    & skf21("5","7","5","4","3","1","3","1") = "6"
    & skf21("5","7","5","4","3","1","4","1") = "6"
    & skf21("5","7","5","4","3","1","5","1") = "6"
    & skf21("5","7","5","4","3","1","6","1") = "6"
    & skf21("5","7","5","4","3","1","7","1") = "6"
    & skf21("5","7","5","4","3","2","1","1") = "6"
    & skf21("5","7","5","4","3","2","2","1") = "6"
    & skf21("5","7","5","4","3","2","3","1") = "6"
    & skf21("5","7","5","4","3","2","4","1") = "6"
    & skf21("5","7","5","4","3","2","5","1") = "6"
    & skf21("5","7","5","4","3","2","6","1") = "6"
    & skf21("5","7","5","4","3","2","7","1") = "6"
    & skf21("5","7","5","4","3","3","1","1") = "6"
    & skf21("5","7","5","4","3","3","2","1") = "6"
    & skf21("5","7","5","4","3","3","3","1") = "6"
    & skf21("5","7","5","4","3","3","4","1") = "6"
    & skf21("5","7","5","4","3","3","5","1") = "6"
    & skf21("5","7","5","4","3","3","6","1") = "6"
    & skf21("5","7","5","4","3","3","7","1") = "6"
    & skf21("5","7","5","4","3","4","1","1") = "6"
    & skf21("5","7","5","4","3","4","2","1") = "6"
    & skf21("5","7","5","4","3","4","3","1") = "6"
    & skf21("5","7","5","4","3","4","4","1") = "6"
    & skf21("5","7","5","4","3","4","5","1") = "6"
    & skf21("5","7","5","4","3","4","6","1") = "6"
    & skf21("5","7","5","4","3","4","7","1") = "6"
    & skf21("5","7","5","4","3","5","1","1") = "6"
    & skf21("5","7","5","4","3","5","2","1") = "6"
    & skf21("5","7","5","4","3","5","3","1") = "6"
    & skf21("5","7","5","4","3","5","4","1") = "6"
    & skf21("5","7","5","4","3","5","5","1") = "6"
    & skf21("5","7","5","4","3","5","6","1") = "6"
    & skf21("5","7","5","4","3","5","7","1") = "6"
    & skf21("5","7","5","4","3","6","1","1") = "6"
    & skf21("5","7","5","4","3","6","2","1") = "6"
    & skf21("5","7","5","4","3","6","3","1") = "6"
    & skf21("5","7","5","4","3","6","4","1") = "6"
    & skf21("5","7","5","4","3","6","5","1") = "6"
    & skf21("5","7","5","4","3","6","6","1") = "6"
    & skf21("5","7","5","4","3","6","7","1") = "6"
    & skf21("5","7","5","4","3","7","1","1") = "6"
    & skf21("5","7","5","4","3","7","2","1") = "6"
    & skf21("5","7","5","4","3","7","3","1") = "6"
    & skf21("5","7","5","4","3","7","4","1") = "6"
    & skf21("5","7","5","4","3","7","5","1") = "6"
    & skf21("5","7","5","4","3","7","6","1") = "6"
    & skf21("5","7","5","4","3","7","7","1") = "6"
    & skf21("5","7","5","4","4","1","1","1") = "6"
    & skf21("5","7","5","4","4","1","2","1") = "6"
    & skf21("5","7","5","4","4","1","3","1") = "6"
    & skf21("5","7","5","4","4","1","4","1") = "6"
    & skf21("5","7","5","4","4","1","5","1") = "6"
    & skf21("5","7","5","4","4","1","6","1") = "6"
    & skf21("5","7","5","4","4","1","7","1") = "6"
    & skf21("5","7","5","4","4","2","1","1") = "6"
    & skf21("5","7","5","4","4","2","2","1") = "6"
    & skf21("5","7","5","4","4","2","3","1") = "6"
    & skf21("5","7","5","4","4","2","4","1") = "6"
    & skf21("5","7","5","4","4","2","5","1") = "6"
    & skf21("5","7","5","4","4","2","6","1") = "6"
    & skf21("5","7","5","4","4","2","7","1") = "6"
    & skf21("5","7","5","4","4","3","1","1") = "6"
    & skf21("5","7","5","4","4","3","2","1") = "6"
    & skf21("5","7","5","4","4","3","3","1") = "6"
    & skf21("5","7","5","4","4","3","4","1") = "6"
    & skf21("5","7","5","4","4","3","5","1") = "6"
    & skf21("5","7","5","4","4","3","6","1") = "6"
    & skf21("5","7","5","4","4","3","7","1") = "6"
    & skf21("5","7","5","4","4","4","1","1") = "6"
    & skf21("5","7","5","4","4","4","2","1") = "6"
    & skf21("5","7","5","4","4","4","3","1") = "6"
    & skf21("5","7","5","4","4","4","4","1") = "6"
    & skf21("5","7","5","4","4","4","5","1") = "6"
    & skf21("5","7","5","4","4","4","6","1") = "6"
    & skf21("5","7","5","4","4","4","7","1") = "6"
    & skf21("5","7","5","4","4","5","1","1") = "6"
    & skf21("5","7","5","4","4","5","2","1") = "6"
    & skf21("5","7","5","4","4","5","3","1") = "6"
    & skf21("5","7","5","4","4","5","4","1") = "6"
    & skf21("5","7","5","4","4","5","5","1") = "6"
    & skf21("5","7","5","4","4","5","6","1") = "6"
    & skf21("5","7","5","4","4","5","7","1") = "6"
    & skf21("5","7","5","4","4","6","1","1") = "6"
    & skf21("5","7","5","4","4","6","2","1") = "6"
    & skf21("5","7","5","4","4","6","3","1") = "6"
    & skf21("5","7","5","4","4","6","4","1") = "6"
    & skf21("5","7","5","4","4","6","5","1") = "6"
    & skf21("5","7","5","4","4","6","6","1") = "6"
    & skf21("5","7","5","4","4","6","7","1") = "6"
    & skf21("5","7","5","4","4","7","1","1") = "6"
    & skf21("5","7","5","4","4","7","2","1") = "6"
    & skf21("5","7","5","4","4","7","3","1") = "6"
    & skf21("5","7","5","4","4","7","4","1") = "6"
    & skf21("5","7","5","4","4","7","5","1") = "6"
    & skf21("5","7","5","4","4","7","6","1") = "6"
    & skf21("5","7","5","4","4","7","7","1") = "6"
    & skf21("5","7","5","4","5","1","1","1") = "6"
    & skf21("5","7","5","4","5","1","2","1") = "6"
    & skf21("5","7","5","4","5","1","3","1") = "6"
    & skf21("5","7","5","4","5","1","4","1") = "6"
    & skf21("5","7","5","4","5","1","5","1") = "6"
    & skf21("5","7","5","4","5","1","6","1") = "6"
    & skf21("5","7","5","4","5","1","7","1") = "6"
    & skf21("5","7","5","4","5","2","1","1") = "6"
    & skf21("5","7","5","4","5","2","2","1") = "6"
    & skf21("5","7","5","4","5","2","3","1") = "6"
    & skf21("5","7","5","4","5","2","4","1") = "6"
    & skf21("5","7","5","4","5","2","5","1") = "6"
    & skf21("5","7","5","4","5","2","6","1") = "6"
    & skf21("5","7","5","4","5","2","7","1") = "6"
    & skf21("5","7","5","4","5","3","1","1") = "6"
    & skf21("5","7","5","4","5","3","2","1") = "6"
    & skf21("5","7","5","4","5","3","3","1") = "6"
    & skf21("5","7","5","4","5","3","4","1") = "6"
    & skf21("5","7","5","4","5","3","5","1") = "6"
    & skf21("5","7","5","4","5","3","6","1") = "6"
    & skf21("5","7","5","4","5","3","7","1") = "6"
    & skf21("5","7","5","4","5","4","1","1") = "6"
    & skf21("5","7","5","4","5","4","2","1") = "6"
    & skf21("5","7","5","4","5","4","3","1") = "6"
    & skf21("5","7","5","4","5","4","4","1") = "6"
    & skf21("5","7","5","4","5","4","5","1") = "6"
    & skf21("5","7","5","4","5","4","6","1") = "6"
    & skf21("5","7","5","4","5","4","7","1") = "6"
    & skf21("5","7","5","4","5","5","1","1") = "6"
    & skf21("5","7","5","4","5","5","2","1") = "6"
    & skf21("5","7","5","4","5","5","3","1") = "6"
    & skf21("5","7","5","4","5","5","4","1") = "6"
    & skf21("5","7","5","4","5","5","5","1") = "6"
    & skf21("5","7","5","4","5","5","6","1") = "6"
    & skf21("5","7","5","4","5","5","7","1") = "6"
    & skf21("5","7","5","4","5","6","1","1") = "6"
    & skf21("5","7","5","4","5","6","2","1") = "6"
    & skf21("5","7","5","4","5","6","3","1") = "6"
    & skf21("5","7","5","4","5","6","4","1") = "6"
    & skf21("5","7","5","4","5","6","5","1") = "6"
    & skf21("5","7","5","4","5","6","6","1") = "6"
    & skf21("5","7","5","4","5","6","7","1") = "6"
    & skf21("5","7","5","4","5","7","1","1") = "6"
    & skf21("5","7","5","4","5","7","2","1") = "6"
    & skf21("5","7","5","4","5","7","3","1") = "6"
    & skf21("5","7","5","4","5","7","4","1") = "6"
    & skf21("5","7","5","4","5","7","5","1") = "6"
    & skf21("5","7","5","4","5","7","6","1") = "6"
    & skf21("5","7","5","4","5","7","7","1") = "6"
    & skf21("5","7","5","4","6","1","1","1") = "6"
    & skf21("5","7","5","4","6","1","2","1") = "6"
    & skf21("5","7","5","4","6","1","3","1") = "6"
    & skf21("5","7","5","4","6","1","4","1") = "6"
    & skf21("5","7","5","4","6","1","5","1") = "6"
    & skf21("5","7","5","4","6","1","6","1") = "6"
    & skf21("5","7","5","4","6","1","7","1") = "6"
    & skf21("5","7","5","4","6","2","1","1") = "6"
    & skf21("5","7","5","4","6","2","2","1") = "6"
    & skf21("5","7","5","4","6","2","3","1") = "6"
    & skf21("5","7","5","4","6","2","4","1") = "6"
    & skf21("5","7","5","4","6","2","5","1") = "6"
    & skf21("5","7","5","4","6","2","6","1") = "6"
    & skf21("5","7","5","4","6","2","7","1") = "6"
    & skf21("5","7","5","4","6","3","1","1") = "6"
    & skf21("5","7","5","4","6","3","2","1") = "6"
    & skf21("5","7","5","4","6","3","3","1") = "6"
    & skf21("5","7","5","4","6","3","4","1") = "6"
    & skf21("5","7","5","4","6","3","5","1") = "6"
    & skf21("5","7","5","4","6","3","6","1") = "6"
    & skf21("5","7","5","4","6","3","7","1") = "6"
    & skf21("5","7","5","4","6","4","1","1") = "6"
    & skf21("5","7","5","4","6","4","2","1") = "6"
    & skf21("5","7","5","4","6","4","3","1") = "6"
    & skf21("5","7","5","4","6","4","4","1") = "6"
    & skf21("5","7","5","4","6","4","5","1") = "6"
    & skf21("5","7","5","4","6","4","6","1") = "6"
    & skf21("5","7","5","4","6","4","7","1") = "6"
    & skf21("5","7","5","4","6","5","1","1") = "6"
    & skf21("5","7","5","4","6","5","2","1") = "6"
    & skf21("5","7","5","4","6","5","3","1") = "6"
    & skf21("5","7","5","4","6","5","4","1") = "6"
    & skf21("5","7","5","4","6","5","5","1") = "6"
    & skf21("5","7","5","4","6","5","6","1") = "6"
    & skf21("5","7","5","4","6","5","7","1") = "6"
    & skf21("5","7","5","4","6","6","1","1") = "6"
    & skf21("5","7","5","4","6","6","2","1") = "6"
    & skf21("5","7","5","4","6","6","3","1") = "6"
    & skf21("5","7","5","4","6","6","4","1") = "6"
    & skf21("5","7","5","4","6","6","5","1") = "6"
    & skf21("5","7","5","4","6","6","6","1") = "6"
    & skf21("5","7","5","4","6","6","7","1") = "6"
    & skf21("5","7","5","4","6","7","1","1") = "6"
    & skf21("5","7","5","4","6","7","2","1") = "6"
    & skf21("5","7","5","4","6","7","3","1") = "6"
    & skf21("5","7","5","4","6","7","4","1") = "6"
    & skf21("5","7","5","4","6","7","5","1") = "6"
    & skf21("5","7","5","4","6","7","6","1") = "6"
    & skf21("5","7","5","4","6","7","7","1") = "6"
    & skf21("5","7","5","4","7","1","1","1") = "6"
    & skf21("5","7","5","4","7","1","2","1") = "6"
    & skf21("5","7","5","4","7","1","3","1") = "6"
    & skf21("5","7","5","4","7","1","4","1") = "6"
    & skf21("5","7","5","4","7","1","5","1") = "6"
    & skf21("5","7","5","4","7","1","6","1") = "6"
    & skf21("5","7","5","4","7","1","7","1") = "6"
    & skf21("5","7","5","4","7","2","1","1") = "6"
    & skf21("5","7","5","4","7","2","2","1") = "6"
    & skf21("5","7","5","4","7","2","3","1") = "6"
    & skf21("5","7","5","4","7","2","4","1") = "6"
    & skf21("5","7","5","4","7","2","5","1") = "6"
    & skf21("5","7","5","4","7","2","6","1") = "6"
    & skf21("5","7","5","4","7","2","7","1") = "6"
    & skf21("5","7","5","4","7","3","1","1") = "6"
    & skf21("5","7","5","4","7","3","2","1") = "6"
    & skf21("5","7","5","4","7","3","3","1") = "6"
    & skf21("5","7","5","4","7","3","4","1") = "6"
    & skf21("5","7","5","4","7","3","5","1") = "6"
    & skf21("5","7","5","4","7","3","6","1") = "6"
    & skf21("5","7","5","4","7","3","7","1") = "6"
    & skf21("5","7","5","4","7","4","1","1") = "6"
    & skf21("5","7","5","4","7","4","2","1") = "6"
    & skf21("5","7","5","4","7","4","3","1") = "6"
    & skf21("5","7","5","4","7","4","4","1") = "6"
    & skf21("5","7","5","4","7","4","5","1") = "6"
    & skf21("5","7","5","4","7","4","6","1") = "6"
    & skf21("5","7","5","4","7","4","7","1") = "6"
    & skf21("5","7","5","4","7","5","1","1") = "6"
    & skf21("5","7","5","4","7","5","2","1") = "6"
    & skf21("5","7","5","4","7","5","3","1") = "6"
    & skf21("5","7","5","4","7","5","4","1") = "6"
    & skf21("5","7","5","4","7","5","5","1") = "6"
    & skf21("5","7","5","4","7","5","6","1") = "6"
    & skf21("5","7","5","4","7","5","7","1") = "6"
    & skf21("5","7","5","4","7","6","1","1") = "6"
    & skf21("5","7","5","4","7","6","2","1") = "6"
    & skf21("5","7","5","4","7","6","3","1") = "6"
    & skf21("5","7","5","4","7","6","4","1") = "6"
    & skf21("5","7","5","4","7","6","5","1") = "6"
    & skf21("5","7","5","4","7","6","6","1") = "6"
    & skf21("5","7","5","4","7","6","7","1") = "6"
    & skf21("5","7","5","4","7","7","1","1") = "6"
    & skf21("5","7","5","4","7","7","2","1") = "6"
    & skf21("5","7","5","4","7","7","3","1") = "6"
    & skf21("5","7","5","4","7","7","4","1") = "6"
    & skf21("5","7","5","4","7","7","5","1") = "6"
    & skf21("5","7","5","4","7","7","6","1") = "6"
    & skf21("5","7","5","4","7","7","7","1") = "6"
    & skf21("5","7","5","5","1","1","1","1") = "6"
    & skf21("5","7","5","5","1","1","2","1") = "6"
    & skf21("5","7","5","5","1","1","3","1") = "6"
    & skf21("5","7","5","5","1","1","4","1") = "6"
    & skf21("5","7","5","5","1","1","5","1") = "6"
    & skf21("5","7","5","5","1","1","6","1") = "6"
    & skf21("5","7","5","5","1","1","7","1") = "6"
    & skf21("5","7","5","5","1","2","1","1") = "6"
    & skf21("5","7","5","5","1","2","2","1") = "6"
    & skf21("5","7","5","5","1","2","3","1") = "6"
    & skf21("5","7","5","5","1","2","4","1") = "6"
    & skf21("5","7","5","5","1","2","5","1") = "6"
    & skf21("5","7","5","5","1","2","6","1") = "6"
    & skf21("5","7","5","5","1","2","7","1") = "6"
    & skf21("5","7","5","5","1","3","1","1") = "6"
    & skf21("5","7","5","5","1","3","2","1") = "6"
    & skf21("5","7","5","5","1","3","3","1") = "6"
    & skf21("5","7","5","5","1","3","4","1") = "6"
    & skf21("5","7","5","5","1","3","5","1") = "6"
    & skf21("5","7","5","5","1","3","6","1") = "6"
    & skf21("5","7","5","5","1","3","7","1") = "6"
    & skf21("5","7","5","5","1","4","1","1") = "6"
    & skf21("5","7","5","5","1","4","2","1") = "6"
    & skf21("5","7","5","5","1","4","3","1") = "6"
    & skf21("5","7","5","5","1","4","4","1") = "6"
    & skf21("5","7","5","5","1","4","5","1") = "6"
    & skf21("5","7","5","5","1","4","6","1") = "6"
    & skf21("5","7","5","5","1","4","7","1") = "6"
    & skf21("5","7","5","5","1","5","1","1") = "6"
    & skf21("5","7","5","5","1","5","2","1") = "6"
    & skf21("5","7","5","5","1","5","3","1") = "6"
    & skf21("5","7","5","5","1","5","4","1") = "6"
    & skf21("5","7","5","5","1","5","5","1") = "6"
    & skf21("5","7","5","5","1","5","6","1") = "6"
    & skf21("5","7","5","5","1","5","7","1") = "6"
    & skf21("5","7","5","5","1","6","1","1") = "6"
    & skf21("5","7","5","5","1","6","2","1") = "6"
    & skf21("5","7","5","5","1","6","3","1") = "6"
    & skf21("5","7","5","5","1","6","4","1") = "6"
    & skf21("5","7","5","5","1","6","5","1") = "6"
    & skf21("5","7","5","5","1","6","6","1") = "6"
    & skf21("5","7","5","5","1","6","7","1") = "6"
    & skf21("5","7","5","5","1","7","1","1") = "6"
    & skf21("5","7","5","5","1","7","2","1") = "6"
    & skf21("5","7","5","5","1","7","3","1") = "6"
    & skf21("5","7","5","5","1","7","4","1") = "6"
    & skf21("5","7","5","5","1","7","5","1") = "6"
    & skf21("5","7","5","5","1","7","6","1") = "6"
    & skf21("5","7","5","5","1","7","7","1") = "6"
    & skf21("5","7","5","5","2","1","1","1") = "6"
    & skf21("5","7","5","5","2","1","2","1") = "6"
    & skf21("5","7","5","5","2","1","3","1") = "6"
    & skf21("5","7","5","5","2","1","4","1") = "6"
    & skf21("5","7","5","5","2","1","5","1") = "6"
    & skf21("5","7","5","5","2","1","6","1") = "6"
    & skf21("5","7","5","5","2","1","7","1") = "6"
    & skf21("5","7","5","5","2","2","1","1") = "6"
    & skf21("5","7","5","5","2","2","2","1") = "6"
    & skf21("5","7","5","5","2","2","3","1") = "6"
    & skf21("5","7","5","5","2","2","4","1") = "6"
    & skf21("5","7","5","5","2","2","5","1") = "6"
    & skf21("5","7","5","5","2","2","6","1") = "6"
    & skf21("5","7","5","5","2","2","7","1") = "6"
    & skf21("5","7","5","5","2","3","1","1") = "6"
    & skf21("5","7","5","5","2","3","2","1") = "6"
    & skf21("5","7","5","5","2","3","3","1") = "6"
    & skf21("5","7","5","5","2","3","4","1") = "6"
    & skf21("5","7","5","5","2","3","5","1") = "6"
    & skf21("5","7","5","5","2","3","6","1") = "6"
    & skf21("5","7","5","5","2","3","7","1") = "6"
    & skf21("5","7","5","5","2","4","1","1") = "6"
    & skf21("5","7","5","5","2","4","2","1") = "6"
    & skf21("5","7","5","5","2","4","3","1") = "6"
    & skf21("5","7","5","5","2","4","4","1") = "6"
    & skf21("5","7","5","5","2","4","5","1") = "6"
    & skf21("5","7","5","5","2","4","6","1") = "6"
    & skf21("5","7","5","5","2","4","7","1") = "6"
    & skf21("5","7","5","5","2","5","1","1") = "6"
    & skf21("5","7","5","5","2","5","2","1") = "6"
    & skf21("5","7","5","5","2","5","3","1") = "6"
    & skf21("5","7","5","5","2","5","4","1") = "6"
    & skf21("5","7","5","5","2","5","5","1") = "6"
    & skf21("5","7","5","5","2","5","6","1") = "6"
    & skf21("5","7","5","5","2","5","7","1") = "6"
    & skf21("5","7","5","5","2","6","1","1") = "6"
    & skf21("5","7","5","5","2","6","2","1") = "6"
    & skf21("5","7","5","5","2","6","3","1") = "6"
    & skf21("5","7","5","5","2","6","4","1") = "6"
    & skf21("5","7","5","5","2","6","5","1") = "6"
    & skf21("5","7","5","5","2","6","6","1") = "6"
    & skf21("5","7","5","5","2","6","7","1") = "6"
    & skf21("5","7","5","5","2","7","1","1") = "6"
    & skf21("5","7","5","5","2","7","2","1") = "6"
    & skf21("5","7","5","5","2","7","3","1") = "6"
    & skf21("5","7","5","5","2","7","4","1") = "6"
    & skf21("5","7","5","5","2","7","5","1") = "6"
    & skf21("5","7","5","5","2","7","6","1") = "6"
    & skf21("5","7","5","5","2","7","7","1") = "6"
    & skf21("5","7","5","5","3","1","1","1") = "6"
    & skf21("5","7","5","5","3","1","2","1") = "6"
    & skf21("5","7","5","5","3","1","3","1") = "6"
    & skf21("5","7","5","5","3","1","4","1") = "6"
    & skf21("5","7","5","5","3","1","5","1") = "6"
    & skf21("5","7","5","5","3","1","6","1") = "6"
    & skf21("5","7","5","5","3","1","7","1") = "6"
    & skf21("5","7","5","5","3","2","1","1") = "6"
    & skf21("5","7","5","5","3","2","2","1") = "6"
    & skf21("5","7","5","5","3","2","3","1") = "6"
    & skf21("5","7","5","5","3","2","4","1") = "6"
    & skf21("5","7","5","5","3","2","5","1") = "6"
    & skf21("5","7","5","5","3","2","6","1") = "6"
    & skf21("5","7","5","5","3","2","7","1") = "6"
    & skf21("5","7","5","5","3","3","1","1") = "6"
    & skf21("5","7","5","5","3","3","2","1") = "6"
    & skf21("5","7","5","5","3","3","3","1") = "6"
    & skf21("5","7","5","5","3","3","4","1") = "6"
    & skf21("5","7","5","5","3","3","5","1") = "6"
    & skf21("5","7","5","5","3","3","6","1") = "6"
    & skf21("5","7","5","5","3","3","7","1") = "6"
    & skf21("5","7","5","5","3","4","1","1") = "6"
    & skf21("5","7","5","5","3","4","2","1") = "6"
    & skf21("5","7","5","5","3","4","3","1") = "6"
    & skf21("5","7","5","5","3","4","4","1") = "6"
    & skf21("5","7","5","5","3","4","5","1") = "6"
    & skf21("5","7","5","5","3","4","6","1") = "6"
    & skf21("5","7","5","5","3","4","7","1") = "6"
    & skf21("5","7","5","5","3","5","1","1") = "6"
    & skf21("5","7","5","5","3","5","2","1") = "6"
    & skf21("5","7","5","5","3","5","3","1") = "6"
    & skf21("5","7","5","5","3","5","4","1") = "6"
    & skf21("5","7","5","5","3","5","5","1") = "6"
    & skf21("5","7","5","5","3","5","6","1") = "6"
    & skf21("5","7","5","5","3","5","7","1") = "6"
    & skf21("5","7","5","5","3","6","1","1") = "6"
    & skf21("5","7","5","5","3","6","2","1") = "6"
    & skf21("5","7","5","5","3","6","3","1") = "6"
    & skf21("5","7","5","5","3","6","4","1") = "6"
    & skf21("5","7","5","5","3","6","5","1") = "6"
    & skf21("5","7","5","5","3","6","6","1") = "6"
    & skf21("5","7","5","5","3","6","7","1") = "6"
    & skf21("5","7","5","5","3","7","1","1") = "6"
    & skf21("5","7","5","5","3","7","2","1") = "6"
    & skf21("5","7","5","5","3","7","3","1") = "6"
    & skf21("5","7","5","5","3","7","4","1") = "6"
    & skf21("5","7","5","5","3","7","5","1") = "6"
    & skf21("5","7","5","5","3","7","6","1") = "6"
    & skf21("5","7","5","5","3","7","7","1") = "6"
    & skf21("5","7","5","5","4","1","1","1") = "6"
    & skf21("5","7","5","5","4","1","2","1") = "6"
    & skf21("5","7","5","5","4","1","3","1") = "6"
    & skf21("5","7","5","5","4","1","4","1") = "6"
    & skf21("5","7","5","5","4","1","5","1") = "6"
    & skf21("5","7","5","5","4","1","6","1") = "6"
    & skf21("5","7","5","5","4","1","7","1") = "6"
    & skf21("5","7","5","5","4","2","1","1") = "6"
    & skf21("5","7","5","5","4","2","2","1") = "6"
    & skf21("5","7","5","5","4","2","3","1") = "6"
    & skf21("5","7","5","5","4","2","4","1") = "6"
    & skf21("5","7","5","5","4","2","5","1") = "6"
    & skf21("5","7","5","5","4","2","6","1") = "6"
    & skf21("5","7","5","5","4","2","7","1") = "6"
    & skf21("5","7","5","5","4","3","1","1") = "6"
    & skf21("5","7","5","5","4","3","2","1") = "6"
    & skf21("5","7","5","5","4","3","3","1") = "6"
    & skf21("5","7","5","5","4","3","4","1") = "6"
    & skf21("5","7","5","5","4","3","5","1") = "6"
    & skf21("5","7","5","5","4","3","6","1") = "6"
    & skf21("5","7","5","5","4","3","7","1") = "6"
    & skf21("5","7","5","5","4","4","1","1") = "6"
    & skf21("5","7","5","5","4","4","2","1") = "6"
    & skf21("5","7","5","5","4","4","3","1") = "6"
    & skf21("5","7","5","5","4","4","4","1") = "6"
    & skf21("5","7","5","5","4","4","5","1") = "6"
    & skf21("5","7","5","5","4","4","6","1") = "6"
    & skf21("5","7","5","5","4","4","7","1") = "6"
    & skf21("5","7","5","5","4","5","1","1") = "6"
    & skf21("5","7","5","5","4","5","2","1") = "6"
    & skf21("5","7","5","5","4","5","3","1") = "6"
    & skf21("5","7","5","5","4","5","4","1") = "6"
    & skf21("5","7","5","5","4","5","5","1") = "6"
    & skf21("5","7","5","5","4","5","6","1") = "6"
    & skf21("5","7","5","5","4","5","7","1") = "6"
    & skf21("5","7","5","5","4","6","1","1") = "6"
    & skf21("5","7","5","5","4","6","2","1") = "6"
    & skf21("5","7","5","5","4","6","3","1") = "6"
    & skf21("5","7","5","5","4","6","4","1") = "6"
    & skf21("5","7","5","5","4","6","5","1") = "6"
    & skf21("5","7","5","5","4","6","6","1") = "6"
    & skf21("5","7","5","5","4","6","7","1") = "6"
    & skf21("5","7","5","5","4","7","1","1") = "6"
    & skf21("5","7","5","5","4","7","2","1") = "6"
    & skf21("5","7","5","5","4","7","3","1") = "6"
    & skf21("5","7","5","5","4","7","4","1") = "6"
    & skf21("5","7","5","5","4","7","5","1") = "6"
    & skf21("5","7","5","5","4","7","6","1") = "6"
    & skf21("5","7","5","5","4","7","7","1") = "6"
    & skf21("5","7","5","5","5","1","1","1") = "6"
    & skf21("5","7","5","5","5","1","2","1") = "6"
    & skf21("5","7","5","5","5","1","3","1") = "6"
    & skf21("5","7","5","5","5","1","4","1") = "6"
    & skf21("5","7","5","5","5","1","5","1") = "6"
    & skf21("5","7","5","5","5","1","6","1") = "6"
    & skf21("5","7","5","5","5","1","7","1") = "6"
    & skf21("5","7","5","5","5","2","1","1") = "6"
    & skf21("5","7","5","5","5","2","2","1") = "6"
    & skf21("5","7","5","5","5","2","3","1") = "6"
    & skf21("5","7","5","5","5","2","4","1") = "6"
    & skf21("5","7","5","5","5","2","5","1") = "6"
    & skf21("5","7","5","5","5","2","6","1") = "6"
    & skf21("5","7","5","5","5","2","7","1") = "6"
    & skf21("5","7","5","5","5","3","1","1") = "6"
    & skf21("5","7","5","5","5","3","2","1") = "6"
    & skf21("5","7","5","5","5","3","3","1") = "6"
    & skf21("5","7","5","5","5","3","4","1") = "6"
    & skf21("5","7","5","5","5","3","5","1") = "6"
    & skf21("5","7","5","5","5","3","6","1") = "6"
    & skf21("5","7","5","5","5","3","7","1") = "6"
    & skf21("5","7","5","5","5","4","1","1") = "6"
    & skf21("5","7","5","5","5","4","2","1") = "6"
    & skf21("5","7","5","5","5","4","3","1") = "6"
    & skf21("5","7","5","5","5","4","4","1") = "6"
    & skf21("5","7","5","5","5","4","5","1") = "6"
    & skf21("5","7","5","5","5","4","6","1") = "6"
    & skf21("5","7","5","5","5","4","7","1") = "6"
    & skf21("5","7","5","5","5","5","1","1") = "6"
    & skf21("5","7","5","5","5","5","2","1") = "6"
    & skf21("5","7","5","5","5","5","3","1") = "6"
    & skf21("5","7","5","5","5","5","4","1") = "6"
    & skf21("5","7","5","5","5","5","5","1") = "6"
    & skf21("5","7","5","5","5","5","6","1") = "6"
    & skf21("5","7","5","5","5","5","7","1") = "6"
    & skf21("5","7","5","5","5","6","1","1") = "6"
    & skf21("5","7","5","5","5","6","2","1") = "6"
    & skf21("5","7","5","5","5","6","3","1") = "6"
    & skf21("5","7","5","5","5","6","4","1") = "6"
    & skf21("5","7","5","5","5","6","5","1") = "6"
    & skf21("5","7","5","5","5","6","6","1") = "6"
    & skf21("5","7","5","5","5","6","7","1") = "6"
    & skf21("5","7","5","5","5","7","1","1") = "6"
    & skf21("5","7","5","5","5","7","2","1") = "6"
    & skf21("5","7","5","5","5","7","3","1") = "6"
    & skf21("5","7","5","5","5","7","4","1") = "6"
    & skf21("5","7","5","5","5","7","5","1") = "6"
    & skf21("5","7","5","5","5","7","6","1") = "6"
    & skf21("5","7","5","5","5","7","7","1") = "6"
    & skf21("5","7","5","5","6","1","1","1") = "6"
    & skf21("5","7","5","5","6","1","2","1") = "6"
    & skf21("5","7","5","5","6","1","3","1") = "6"
    & skf21("5","7","5","5","6","1","4","1") = "6"
    & skf21("5","7","5","5","6","1","5","1") = "6"
    & skf21("5","7","5","5","6","1","6","1") = "6"
    & skf21("5","7","5","5","6","1","7","1") = "6"
    & skf21("5","7","5","5","6","2","1","1") = "6"
    & skf21("5","7","5","5","6","2","2","1") = "6"
    & skf21("5","7","5","5","6","2","3","1") = "6"
    & skf21("5","7","5","5","6","2","4","1") = "6"
    & skf21("5","7","5","5","6","2","5","1") = "6"
    & skf21("5","7","5","5","6","2","6","1") = "6"
    & skf21("5","7","5","5","6","2","7","1") = "6"
    & skf21("5","7","5","5","6","3","1","1") = "6"
    & skf21("5","7","5","5","6","3","2","1") = "6"
    & skf21("5","7","5","5","6","3","3","1") = "6"
    & skf21("5","7","5","5","6","3","4","1") = "6"
    & skf21("5","7","5","5","6","3","5","1") = "6"
    & skf21("5","7","5","5","6","3","6","1") = "6"
    & skf21("5","7","5","5","6","3","7","1") = "6"
    & skf21("5","7","5","5","6","4","1","1") = "6"
    & skf21("5","7","5","5","6","4","2","1") = "6"
    & skf21("5","7","5","5","6","4","3","1") = "6"
    & skf21("5","7","5","5","6","4","4","1") = "6"
    & skf21("5","7","5","5","6","4","5","1") = "6"
    & skf21("5","7","5","5","6","4","6","1") = "6"
    & skf21("5","7","5","5","6","4","7","1") = "6"
    & skf21("5","7","5","5","6","5","1","1") = "6"
    & skf21("5","7","5","5","6","5","2","1") = "6"
    & skf21("5","7","5","5","6","5","3","1") = "6"
    & skf21("5","7","5","5","6","5","4","1") = "6"
    & skf21("5","7","5","5","6","5","5","1") = "6"
    & skf21("5","7","5","5","6","5","6","1") = "6"
    & skf21("5","7","5","5","6","5","7","1") = "6"
    & skf21("5","7","5","5","6","6","1","1") = "6"
    & skf21("5","7","5","5","6","6","2","1") = "6"
    & skf21("5","7","5","5","6","6","3","1") = "6"
    & skf21("5","7","5","5","6","6","4","1") = "6"
    & skf21("5","7","5","5","6","6","5","1") = "6"
    & skf21("5","7","5","5","6","6","6","1") = "6"
    & skf21("5","7","5","5","6","6","7","1") = "6"
    & skf21("5","7","5","5","6","7","1","1") = "6"
    & skf21("5","7","5","5","6","7","2","1") = "6"
    & skf21("5","7","5","5","6","7","3","1") = "6"
    & skf21("5","7","5","5","6","7","4","1") = "6"
    & skf21("5","7","5","5","6","7","5","1") = "6"
    & skf21("5","7","5","5","6","7","6","1") = "6"
    & skf21("5","7","5","5","6","7","7","1") = "6"
    & skf21("5","7","5","5","7","1","1","1") = "6"
    & skf21("5","7","5","5","7","1","2","1") = "6"
    & skf21("5","7","5","5","7","1","3","1") = "6"
    & skf21("5","7","5","5","7","1","4","1") = "6"
    & skf21("5","7","5","5","7","1","5","1") = "6"
    & skf21("5","7","5","5","7","1","6","1") = "6"
    & skf21("5","7","5","5","7","1","7","1") = "6"
    & skf21("5","7","5","5","7","2","1","1") = "6"
    & skf21("5","7","5","5","7","2","2","1") = "6"
    & skf21("5","7","5","5","7","2","3","1") = "6"
    & skf21("5","7","5","5","7","2","4","1") = "6"
    & skf21("5","7","5","5","7","2","5","1") = "6"
    & skf21("5","7","5","5","7","2","6","1") = "6"
    & skf21("5","7","5","5","7","2","7","1") = "6"
    & skf21("5","7","5","5","7","3","1","1") = "6"
    & skf21("5","7","5","5","7","3","2","1") = "6"
    & skf21("5","7","5","5","7","3","3","1") = "6"
    & skf21("5","7","5","5","7","3","4","1") = "6"
    & skf21("5","7","5","5","7","3","5","1") = "6"
    & skf21("5","7","5","5","7","3","6","1") = "6"
    & skf21("5","7","5","5","7","3","7","1") = "6"
    & skf21("5","7","5","5","7","4","1","1") = "6"
    & skf21("5","7","5","5","7","4","2","1") = "6"
    & skf21("5","7","5","5","7","4","3","1") = "6"
    & skf21("5","7","5","5","7","4","4","1") = "6"
    & skf21("5","7","5","5","7","4","5","1") = "6"
    & skf21("5","7","5","5","7","4","6","1") = "6"
    & skf21("5","7","5","5","7","4","7","1") = "6"
    & skf21("5","7","5","5","7","5","1","1") = "6"
    & skf21("5","7","5","5","7","5","2","1") = "6"
    & skf21("5","7","5","5","7","5","3","1") = "6"
    & skf21("5","7","5","5","7","5","4","1") = "6"
    & skf21("5","7","5","5","7","5","5","1") = "6"
    & skf21("5","7","5","5","7","5","6","1") = "6"
    & skf21("5","7","5","5","7","5","7","1") = "6"
    & skf21("5","7","5","5","7","6","1","1") = "6"
    & skf21("5","7","5","5","7","6","2","1") = "6"
    & skf21("5","7","5","5","7","6","3","1") = "6"
    & skf21("5","7","5","5","7","6","4","1") = "6"
    & skf21("5","7","5","5","7","6","5","1") = "6"
    & skf21("5","7","5","5","7","6","6","1") = "6"
    & skf21("5","7","5","5","7","6","7","1") = "6"
    & skf21("5","7","5","5","7","7","1","1") = "6"
    & skf21("5","7","5","5","7","7","2","1") = "6"
    & skf21("5","7","5","5","7","7","3","1") = "6"
    & skf21("5","7","5","5","7","7","4","1") = "6"
    & skf21("5","7","5","5","7","7","5","1") = "6"
    & skf21("5","7","5","5","7","7","6","1") = "6"
    & skf21("5","7","5","5","7","7","7","1") = "6"
    & skf21("5","7","5","6","1","1","1","1") = "6"
    & skf21("5","7","5","6","1","1","2","1") = "6"
    & skf21("5","7","5","6","1","1","3","1") = "6"
    & skf21("5","7","5","6","1","1","4","1") = "6"
    & skf21("5","7","5","6","1","1","5","1") = "6"
    & skf21("5","7","5","6","1","1","6","1") = "6"
    & skf21("5","7","5","6","1","1","7","1") = "6"
    & skf21("5","7","5","6","1","2","1","1") = "6"
    & skf21("5","7","5","6","1","2","2","1") = "6"
    & skf21("5","7","5","6","1","2","3","1") = "6"
    & skf21("5","7","5","6","1","2","4","1") = "6"
    & skf21("5","7","5","6","1","2","5","1") = "6"
    & skf21("5","7","5","6","1","2","6","1") = "6"
    & skf21("5","7","5","6","1","2","7","1") = "6"
    & skf21("5","7","5","6","1","3","1","1") = "6"
    & skf21("5","7","5","6","1","3","2","1") = "6"
    & skf21("5","7","5","6","1","3","3","1") = "6"
    & skf21("5","7","5","6","1","3","4","1") = "6"
    & skf21("5","7","5","6","1","3","5","1") = "6"
    & skf21("5","7","5","6","1","3","6","1") = "6"
    & skf21("5","7","5","6","1","3","7","1") = "6"
    & skf21("5","7","5","6","1","4","1","1") = "6"
    & skf21("5","7","5","6","1","4","2","1") = "6"
    & skf21("5","7","5","6","1","4","3","1") = "6"
    & skf21("5","7","5","6","1","4","4","1") = "6"
    & skf21("5","7","5","6","1","4","5","1") = "6"
    & skf21("5","7","5","6","1","4","6","1") = "6"
    & skf21("5","7","5","6","1","4","7","1") = "6"
    & skf21("5","7","5","6","1","5","1","1") = "6"
    & skf21("5","7","5","6","1","5","2","1") = "6"
    & skf21("5","7","5","6","1","5","3","1") = "6"
    & skf21("5","7","5","6","1","5","4","1") = "6"
    & skf21("5","7","5","6","1","5","5","1") = "6"
    & skf21("5","7","5","6","1","5","6","1") = "6"
    & skf21("5","7","5","6","1","5","7","1") = "6"
    & skf21("5","7","5","6","1","6","1","1") = "6"
    & skf21("5","7","5","6","1","6","2","1") = "6"
    & skf21("5","7","5","6","1","6","3","1") = "6"
    & skf21("5","7","5","6","1","6","4","1") = "6"
    & skf21("5","7","5","6","1","6","5","1") = "6"
    & skf21("5","7","5","6","1","6","6","1") = "6"
    & skf21("5","7","5","6","1","6","7","1") = "6"
    & skf21("5","7","5","6","1","7","1","1") = "6"
    & skf21("5","7","5","6","1","7","2","1") = "6"
    & skf21("5","7","5","6","1","7","3","1") = "6"
    & skf21("5","7","5","6","1","7","4","1") = "6"
    & skf21("5","7","5","6","1","7","5","1") = "6"
    & skf21("5","7","5","6","1","7","6","1") = "6"
    & skf21("5","7","5","6","1","7","7","1") = "6"
    & skf21("5","7","5","6","2","1","1","1") = "6"
    & skf21("5","7","5","6","2","1","2","1") = "6"
    & skf21("5","7","5","6","2","1","3","1") = "6"
    & skf21("5","7","5","6","2","1","4","1") = "6"
    & skf21("5","7","5","6","2","1","5","1") = "6"
    & skf21("5","7","5","6","2","1","6","1") = "6"
    & skf21("5","7","5","6","2","1","7","1") = "6"
    & skf21("5","7","5","6","2","2","1","1") = "6"
    & skf21("5","7","5","6","2","2","2","1") = "6"
    & skf21("5","7","5","6","2","2","3","1") = "6"
    & skf21("5","7","5","6","2","2","4","1") = "6"
    & skf21("5","7","5","6","2","2","5","1") = "6"
    & skf21("5","7","5","6","2","2","6","1") = "6"
    & skf21("5","7","5","6","2","2","7","1") = "6"
    & skf21("5","7","5","6","2","3","1","1") = "6"
    & skf21("5","7","5","6","2","3","2","1") = "6"
    & skf21("5","7","5","6","2","3","3","1") = "6"
    & skf21("5","7","5","6","2","3","4","1") = "6"
    & skf21("5","7","5","6","2","3","5","1") = "6"
    & skf21("5","7","5","6","2","3","6","1") = "6"
    & skf21("5","7","5","6","2","3","7","1") = "6"
    & skf21("5","7","5","6","2","4","1","1") = "6"
    & skf21("5","7","5","6","2","4","2","1") = "6"
    & skf21("5","7","5","6","2","4","3","1") = "6"
    & skf21("5","7","5","6","2","4","4","1") = "6"
    & skf21("5","7","5","6","2","4","5","1") = "6"
    & skf21("5","7","5","6","2","4","6","1") = "6"
    & skf21("5","7","5","6","2","4","7","1") = "6"
    & skf21("5","7","5","6","2","5","1","1") = "6"
    & skf21("5","7","5","6","2","5","2","1") = "6"
    & skf21("5","7","5","6","2","5","3","1") = "6"
    & skf21("5","7","5","6","2","5","4","1") = "6"
    & skf21("5","7","5","6","2","5","5","1") = "6"
    & skf21("5","7","5","6","2","5","6","1") = "6"
    & skf21("5","7","5","6","2","5","7","1") = "6"
    & skf21("5","7","5","6","2","6","1","1") = "6"
    & skf21("5","7","5","6","2","6","2","1") = "6"
    & skf21("5","7","5","6","2","6","3","1") = "6"
    & skf21("5","7","5","6","2","6","4","1") = "6"
    & skf21("5","7","5","6","2","6","5","1") = "6"
    & skf21("5","7","5","6","2","6","6","1") = "6"
    & skf21("5","7","5","6","2","6","7","1") = "6"
    & skf21("5","7","5","6","2","7","1","1") = "6"
    & skf21("5","7","5","6","2","7","2","1") = "6"
    & skf21("5","7","5","6","2","7","3","1") = "6"
    & skf21("5","7","5","6","2","7","4","1") = "6"
    & skf21("5","7","5","6","2","7","5","1") = "6"
    & skf21("5","7","5","6","2","7","6","1") = "6"
    & skf21("5","7","5","6","2","7","7","1") = "6"
    & skf21("5","7","5","6","3","1","1","1") = "6"
    & skf21("5","7","5","6","3","1","2","1") = "6"
    & skf21("5","7","5","6","3","1","3","1") = "6"
    & skf21("5","7","5","6","3","1","4","1") = "6"
    & skf21("5","7","5","6","3","1","5","1") = "6"
    & skf21("5","7","5","6","3","1","6","1") = "6"
    & skf21("5","7","5","6","3","1","7","1") = "6"
    & skf21("5","7","5","6","3","2","1","1") = "6"
    & skf21("5","7","5","6","3","2","2","1") = "6"
    & skf21("5","7","5","6","3","2","3","1") = "6"
    & skf21("5","7","5","6","3","2","4","1") = "6"
    & skf21("5","7","5","6","3","2","5","1") = "6"
    & skf21("5","7","5","6","3","2","6","1") = "6"
    & skf21("5","7","5","6","3","2","7","1") = "6"
    & skf21("5","7","5","6","3","3","1","1") = "6"
    & skf21("5","7","5","6","3","3","2","1") = "6"
    & skf21("5","7","5","6","3","3","3","1") = "6"
    & skf21("5","7","5","6","3","3","4","1") = "6"
    & skf21("5","7","5","6","3","3","5","1") = "6"
    & skf21("5","7","5","6","3","3","6","1") = "6"
    & skf21("5","7","5","6","3","3","7","1") = "6"
    & skf21("5","7","5","6","3","4","1","1") = "6"
    & skf21("5","7","5","6","3","4","2","1") = "6"
    & skf21("5","7","5","6","3","4","3","1") = "6"
    & skf21("5","7","5","6","3","4","4","1") = "6"
    & skf21("5","7","5","6","3","4","5","1") = "6"
    & skf21("5","7","5","6","3","4","6","1") = "6"
    & skf21("5","7","5","6","3","4","7","1") = "6"
    & skf21("5","7","5","6","3","5","1","1") = "6"
    & skf21("5","7","5","6","3","5","2","1") = "6"
    & skf21("5","7","5","6","3","5","3","1") = "6"
    & skf21("5","7","5","6","3","5","4","1") = "6"
    & skf21("5","7","5","6","3","5","5","1") = "6"
    & skf21("5","7","5","6","3","5","6","1") = "6"
    & skf21("5","7","5","6","3","5","7","1") = "6"
    & skf21("5","7","5","6","3","6","1","1") = "6"
    & skf21("5","7","5","6","3","6","2","1") = "6"
    & skf21("5","7","5","6","3","6","3","1") = "6"
    & skf21("5","7","5","6","3","6","4","1") = "6"
    & skf21("5","7","5","6","3","6","5","1") = "6"
    & skf21("5","7","5","6","3","6","6","1") = "6"
    & skf21("5","7","5","6","3","6","7","1") = "6"
    & skf21("5","7","5","6","3","7","1","1") = "6"
    & skf21("5","7","5","6","3","7","2","1") = "6"
    & skf21("5","7","5","6","3","7","3","1") = "6"
    & skf21("5","7","5","6","3","7","4","1") = "6"
    & skf21("5","7","5","6","3","7","5","1") = "6"
    & skf21("5","7","5","6","3","7","6","1") = "6"
    & skf21("5","7","5","6","3","7","7","1") = "6"
    & skf21("5","7","5","6","4","1","1","1") = "6"
    & skf21("5","7","5","6","4","1","2","1") = "6"
    & skf21("5","7","5","6","4","1","3","1") = "6"
    & skf21("5","7","5","6","4","1","4","1") = "6"
    & skf21("5","7","5","6","4","1","5","1") = "6"
    & skf21("5","7","5","6","4","1","6","1") = "6"
    & skf21("5","7","5","6","4","1","7","1") = "6"
    & skf21("5","7","5","6","4","2","1","1") = "6"
    & skf21("5","7","5","6","4","2","2","1") = "6"
    & skf21("5","7","5","6","4","2","3","1") = "6"
    & skf21("5","7","5","6","4","2","4","1") = "6"
    & skf21("5","7","5","6","4","2","5","1") = "6"
    & skf21("5","7","5","6","4","2","6","1") = "6"
    & skf21("5","7","5","6","4","2","7","1") = "6"
    & skf21("5","7","5","6","4","3","1","1") = "6"
    & skf21("5","7","5","6","4","3","2","1") = "6"
    & skf21("5","7","5","6","4","3","3","1") = "6"
    & skf21("5","7","5","6","4","3","4","1") = "6"
    & skf21("5","7","5","6","4","3","5","1") = "6"
    & skf21("5","7","5","6","4","3","6","1") = "6"
    & skf21("5","7","5","6","4","3","7","1") = "6"
    & skf21("5","7","5","6","4","4","1","1") = "6"
    & skf21("5","7","5","6","4","4","2","1") = "6"
    & skf21("5","7","5","6","4","4","3","1") = "6"
    & skf21("5","7","5","6","4","4","4","1") = "6"
    & skf21("5","7","5","6","4","4","5","1") = "6"
    & skf21("5","7","5","6","4","4","6","1") = "6"
    & skf21("5","7","5","6","4","4","7","1") = "6"
    & skf21("5","7","5","6","4","5","1","1") = "6"
    & skf21("5","7","5","6","4","5","2","1") = "6"
    & skf21("5","7","5","6","4","5","3","1") = "6"
    & skf21("5","7","5","6","4","5","4","1") = "6"
    & skf21("5","7","5","6","4","5","5","1") = "6"
    & skf21("5","7","5","6","4","5","6","1") = "6"
    & skf21("5","7","5","6","4","5","7","1") = "6"
    & skf21("5","7","5","6","4","6","1","1") = "6"
    & skf21("5","7","5","6","4","6","2","1") = "6"
    & skf21("5","7","5","6","4","6","3","1") = "6"
    & skf21("5","7","5","6","4","6","4","1") = "6"
    & skf21("5","7","5","6","4","6","5","1") = "6"
    & skf21("5","7","5","6","4","6","6","1") = "6"
    & skf21("5","7","5","6","4","6","7","1") = "6"
    & skf21("5","7","5","6","4","7","1","1") = "6"
    & skf21("5","7","5","6","4","7","2","1") = "6"
    & skf21("5","7","5","6","4","7","3","1") = "6"
    & skf21("5","7","5","6","4","7","4","1") = "6"
    & skf21("5","7","5","6","4","7","5","1") = "6"
    & skf21("5","7","5","6","4","7","6","1") = "6"
    & skf21("5","7","5","6","4","7","7","1") = "6"
    & skf21("5","7","5","6","5","1","1","1") = "6"
    & skf21("5","7","5","6","5","1","2","1") = "6"
    & skf21("5","7","5","6","5","1","3","1") = "6"
    & skf21("5","7","5","6","5","1","4","1") = "6"
    & skf21("5","7","5","6","5","1","5","1") = "6"
    & skf21("5","7","5","6","5","1","6","1") = "6"
    & skf21("5","7","5","6","5","1","7","1") = "6"
    & skf21("5","7","5","6","5","2","1","1") = "6"
    & skf21("5","7","5","6","5","2","2","1") = "6"
    & skf21("5","7","5","6","5","2","3","1") = "6"
    & skf21("5","7","5","6","5","2","4","1") = "6"
    & skf21("5","7","5","6","5","2","5","1") = "6"
    & skf21("5","7","5","6","5","2","6","1") = "6"
    & skf21("5","7","5","6","5","2","7","1") = "6"
    & skf21("5","7","5","6","5","3","1","1") = "6"
    & skf21("5","7","5","6","5","3","2","1") = "6"
    & skf21("5","7","5","6","5","3","3","1") = "6"
    & skf21("5","7","5","6","5","3","4","1") = "6"
    & skf21("5","7","5","6","5","3","5","1") = "6"
    & skf21("5","7","5","6","5","3","6","1") = "6"
    & skf21("5","7","5","6","5","3","7","1") = "6"
    & skf21("5","7","5","6","5","4","1","1") = "6"
    & skf21("5","7","5","6","5","4","2","1") = "6"
    & skf21("5","7","5","6","5","4","3","1") = "6"
    & skf21("5","7","5","6","5","4","4","1") = "6"
    & skf21("5","7","5","6","5","4","5","1") = "6"
    & skf21("5","7","5","6","5","4","6","1") = "6"
    & skf21("5","7","5","6","5","4","7","1") = "6"
    & skf21("5","7","5","6","5","5","1","1") = "6"
    & skf21("5","7","5","6","5","5","2","1") = "6"
    & skf21("5","7","5","6","5","5","3","1") = "6"
    & skf21("5","7","5","6","5","5","4","1") = "6"
    & skf21("5","7","5","6","5","5","5","1") = "6"
    & skf21("5","7","5","6","5","5","6","1") = "6"
    & skf21("5","7","5","6","5","5","7","1") = "6"
    & skf21("5","7","5","6","5","6","1","1") = "6"
    & skf21("5","7","5","6","5","6","2","1") = "6"
    & skf21("5","7","5","6","5","6","3","1") = "6"
    & skf21("5","7","5","6","5","6","4","1") = "6"
    & skf21("5","7","5","6","5","6","5","1") = "6"
    & skf21("5","7","5","6","5","6","6","1") = "6"
    & skf21("5","7","5","6","5","6","7","1") = "6"
    & skf21("5","7","5","6","5","7","1","1") = "6"
    & skf21("5","7","5","6","5","7","2","1") = "6"
    & skf21("5","7","5","6","5","7","3","1") = "6"
    & skf21("5","7","5","6","5","7","4","1") = "6"
    & skf21("5","7","5","6","5","7","5","1") = "6"
    & skf21("5","7","5","6","5","7","6","1") = "6"
    & skf21("5","7","5","6","5","7","7","1") = "6"
    & skf21("5","7","5","6","6","1","1","1") = "6"
    & skf21("5","7","5","6","6","1","2","1") = "6"
    & skf21("5","7","5","6","6","1","3","1") = "6"
    & skf21("5","7","5","6","6","1","4","1") = "6"
    & skf21("5","7","5","6","6","1","5","1") = "6"
    & skf21("5","7","5","6","6","1","6","1") = "6"
    & skf21("5","7","5","6","6","1","7","1") = "6"
    & skf21("5","7","5","6","6","2","1","1") = "6"
    & skf21("5","7","5","6","6","2","2","1") = "6"
    & skf21("5","7","5","6","6","2","3","1") = "6"
    & skf21("5","7","5","6","6","2","4","1") = "6"
    & skf21("5","7","5","6","6","2","5","1") = "6"
    & skf21("5","7","5","6","6","2","6","1") = "6"
    & skf21("5","7","5","6","6","2","7","1") = "6"
    & skf21("5","7","5","6","6","3","1","1") = "6"
    & skf21("5","7","5","6","6","3","2","1") = "6"
    & skf21("5","7","5","6","6","3","3","1") = "6"
    & skf21("5","7","5","6","6","3","4","1") = "6"
    & skf21("5","7","5","6","6","3","5","1") = "6"
    & skf21("5","7","5","6","6","3","6","1") = "6"
    & skf21("5","7","5","6","6","3","7","1") = "6"
    & skf21("5","7","5","6","6","4","1","1") = "6"
    & skf21("5","7","5","6","6","4","2","1") = "6"
    & skf21("5","7","5","6","6","4","3","1") = "6"
    & skf21("5","7","5","6","6","4","4","1") = "6"
    & skf21("5","7","5","6","6","4","5","1") = "6"
    & skf21("5","7","5","6","6","4","6","1") = "6"
    & skf21("5","7","5","6","6","4","7","1") = "6"
    & skf21("5","7","5","6","6","5","1","1") = "6"
    & skf21("5","7","5","6","6","5","2","1") = "6"
    & skf21("5","7","5","6","6","5","3","1") = "6"
    & skf21("5","7","5","6","6","5","4","1") = "6"
    & skf21("5","7","5","6","6","5","5","1") = "6"
    & skf21("5","7","5","6","6","5","6","1") = "6"
    & skf21("5","7","5","6","6","5","7","1") = "6"
    & skf21("5","7","5","6","6","6","1","1") = "6"
    & skf21("5","7","5","6","6","6","2","1") = "6"
    & skf21("5","7","5","6","6","6","3","1") = "6"
    & skf21("5","7","5","6","6","6","4","1") = "6"
    & skf21("5","7","5","6","6","6","5","1") = "6"
    & skf21("5","7","5","6","6","6","6","1") = "6"
    & skf21("5","7","5","6","6","6","7","1") = "6"
    & skf21("5","7","5","6","6","7","1","1") = "6"
    & skf21("5","7","5","6","6","7","2","1") = "6"
    & skf21("5","7","5","6","6","7","3","1") = "6"
    & skf21("5","7","5","6","6","7","4","1") = "6"
    & skf21("5","7","5","6","6","7","5","1") = "6"
    & skf21("5","7","5","6","6","7","6","1") = "6"
    & skf21("5","7","5","6","6","7","7","1") = "6"
    & skf21("5","7","5","6","7","1","1","1") = "6"
    & skf21("5","7","5","6","7","1","2","1") = "6"
    & skf21("5","7","5","6","7","1","3","1") = "6"
    & skf21("5","7","5","6","7","1","4","1") = "6"
    & skf21("5","7","5","6","7","1","5","1") = "6"
    & skf21("5","7","5","6","7","1","6","1") = "6"
    & skf21("5","7","5","6","7","1","7","1") = "6"
    & skf21("5","7","5","6","7","2","1","1") = "6"
    & skf21("5","7","5","6","7","2","2","1") = "6"
    & skf21("5","7","5","6","7","2","3","1") = "6"
    & skf21("5","7","5","6","7","2","4","1") = "6"
    & skf21("5","7","5","6","7","2","5","1") = "6"
    & skf21("5","7","5","6","7","2","6","1") = "6"
    & skf21("5","7","5","6","7","2","7","1") = "6"
    & skf21("5","7","5","6","7","3","1","1") = "6"
    & skf21("5","7","5","6","7","3","2","1") = "6"
    & skf21("5","7","5","6","7","3","3","1") = "6"
    & skf21("5","7","5","6","7","3","4","1") = "6"
    & skf21("5","7","5","6","7","3","5","1") = "6"
    & skf21("5","7","5","6","7","3","6","1") = "6"
    & skf21("5","7","5","6","7","3","7","1") = "6"
    & skf21("5","7","5","6","7","4","1","1") = "6"
    & skf21("5","7","5","6","7","4","2","1") = "6"
    & skf21("5","7","5","6","7","4","3","1") = "6"
    & skf21("5","7","5","6","7","4","4","1") = "6"
    & skf21("5","7","5","6","7","4","5","1") = "6"
    & skf21("5","7","5","6","7","4","6","1") = "6"
    & skf21("5","7","5","6","7","4","7","1") = "6"
    & skf21("5","7","5","6","7","5","1","1") = "6"
    & skf21("5","7","5","6","7","5","2","1") = "6"
    & skf21("5","7","5","6","7","5","3","1") = "6"
    & skf21("5","7","5","6","7","5","4","1") = "6"
    & skf21("5","7","5","6","7","5","5","1") = "6"
    & skf21("5","7","5","6","7","5","6","1") = "6"
    & skf21("5","7","5","6","7","5","7","1") = "6"
    & skf21("5","7","5","6","7","6","1","1") = "6"
    & skf21("5","7","5","6","7","6","2","1") = "6"
    & skf21("5","7","5","6","7","6","3","1") = "6"
    & skf21("5","7","5","6","7","6","4","1") = "6"
    & skf21("5","7","5","6","7","6","5","1") = "6"
    & skf21("5","7","5","6","7","6","6","1") = "6"
    & skf21("5","7","5","6","7","6","7","1") = "6"
    & skf21("5","7","5","6","7","7","1","1") = "6"
    & skf21("5","7","5","6","7","7","2","1") = "6"
    & skf21("5","7","5","6","7","7","3","1") = "6"
    & skf21("5","7","5","6","7","7","4","1") = "6"
    & skf21("5","7","5","6","7","7","5","1") = "6"
    & skf21("5","7","5","6","7","7","6","1") = "6"
    & skf21("5","7","5","6","7","7","7","1") = "6"
    & skf21("5","7","5","7","1","1","1","1") = "6"
    & skf21("5","7","5","7","1","1","2","1") = "6"
    & skf21("5","7","5","7","1","1","3","1") = "6"
    & skf21("5","7","5","7","1","1","4","1") = "6"
    & skf21("5","7","5","7","1","1","5","1") = "6"
    & skf21("5","7","5","7","1","1","6","1") = "6"
    & skf21("5","7","5","7","1","1","7","1") = "6"
    & skf21("5","7","5","7","1","2","1","1") = "6"
    & skf21("5","7","5","7","1","2","2","1") = "6"
    & skf21("5","7","5","7","1","2","3","1") = "6"
    & skf21("5","7","5","7","1","2","4","1") = "6"
    & skf21("5","7","5","7","1","2","5","1") = "6"
    & skf21("5","7","5","7","1","2","6","1") = "6"
    & skf21("5","7","5","7","1","2","7","1") = "6"
    & skf21("5","7","5","7","1","3","1","1") = "6"
    & skf21("5","7","5","7","1","3","2","1") = "6"
    & skf21("5","7","5","7","1","3","3","1") = "6"
    & skf21("5","7","5","7","1","3","4","1") = "6"
    & skf21("5","7","5","7","1","3","5","1") = "6"
    & skf21("5","7","5","7","1","3","6","1") = "6"
    & skf21("5","7","5","7","1","3","7","1") = "6"
    & skf21("5","7","5","7","1","4","1","1") = "6"
    & skf21("5","7","5","7","1","4","2","1") = "6"
    & skf21("5","7","5","7","1","4","3","1") = "6"
    & skf21("5","7","5","7","1","4","4","1") = "6"
    & skf21("5","7","5","7","1","4","5","1") = "6"
    & skf21("5","7","5","7","1","4","6","1") = "6"
    & skf21("5","7","5","7","1","4","7","1") = "6"
    & skf21("5","7","5","7","1","5","1","1") = "6"
    & skf21("5","7","5","7","1","5","2","1") = "6"
    & skf21("5","7","5","7","1","5","3","1") = "6"
    & skf21("5","7","5","7","1","5","4","1") = "6"
    & skf21("5","7","5","7","1","5","5","1") = "6"
    & skf21("5","7","5","7","1","5","6","1") = "6"
    & skf21("5","7","5","7","1","5","7","1") = "6"
    & skf21("5","7","5","7","1","6","1","1") = "6"
    & skf21("5","7","5","7","1","6","2","1") = "6"
    & skf21("5","7","5","7","1","6","3","1") = "6"
    & skf21("5","7","5","7","1","6","4","1") = "6"
    & skf21("5","7","5","7","1","6","5","1") = "6"
    & skf21("5","7","5","7","1","6","6","1") = "6"
    & skf21("5","7","5","7","1","6","7","1") = "6"
    & skf21("5","7","5","7","1","7","1","1") = "6"
    & skf21("5","7","5","7","1","7","2","1") = "6"
    & skf21("5","7","5","7","1","7","3","1") = "6"
    & skf21("5","7","5","7","1","7","4","1") = "6"
    & skf21("5","7","5","7","1","7","5","1") = "6"
    & skf21("5","7","5","7","1","7","6","1") = "6"
    & skf21("5","7","5","7","1","7","7","1") = "6"
    & skf21("5","7","5","7","2","1","1","1") = "6"
    & skf21("5","7","5","7","2","1","2","1") = "6"
    & skf21("5","7","5","7","2","1","3","1") = "6"
    & skf21("5","7","5","7","2","1","4","1") = "6"
    & skf21("5","7","5","7","2","1","5","1") = "6"
    & skf21("5","7","5","7","2","1","6","1") = "6"
    & skf21("5","7","5","7","2","1","7","1") = "6"
    & skf21("5","7","5","7","2","2","1","1") = "6"
    & skf21("5","7","5","7","2","2","2","1") = "6"
    & skf21("5","7","5","7","2","2","3","1") = "6"
    & skf21("5","7","5","7","2","2","4","1") = "6"
    & skf21("5","7","5","7","2","2","5","1") = "6"
    & skf21("5","7","5","7","2","2","6","1") = "6"
    & skf21("5","7","5","7","2","2","7","1") = "6"
    & skf21("5","7","5","7","2","3","1","1") = "6"
    & skf21("5","7","5","7","2","3","2","1") = "6"
    & skf21("5","7","5","7","2","3","3","1") = "6"
    & skf21("5","7","5","7","2","3","4","1") = "6"
    & skf21("5","7","5","7","2","3","5","1") = "6"
    & skf21("5","7","5","7","2","3","6","1") = "6"
    & skf21("5","7","5","7","2","3","7","1") = "6"
    & skf21("5","7","5","7","2","4","1","1") = "6"
    & skf21("5","7","5","7","2","4","2","1") = "6"
    & skf21("5","7","5","7","2","4","3","1") = "6"
    & skf21("5","7","5","7","2","4","4","1") = "6"
    & skf21("5","7","5","7","2","4","5","1") = "6"
    & skf21("5","7","5","7","2","4","6","1") = "6"
    & skf21("5","7","5","7","2","4","7","1") = "6"
    & skf21("5","7","5","7","2","5","1","1") = "6"
    & skf21("5","7","5","7","2","5","2","1") = "6"
    & skf21("5","7","5","7","2","5","3","1") = "6"
    & skf21("5","7","5","7","2","5","4","1") = "6"
    & skf21("5","7","5","7","2","5","5","1") = "6"
    & skf21("5","7","5","7","2","5","6","1") = "6"
    & skf21("5","7","5","7","2","5","7","1") = "6"
    & skf21("5","7","5","7","2","6","1","1") = "6"
    & skf21("5","7","5","7","2","6","2","1") = "6"
    & skf21("5","7","5","7","2","6","3","1") = "6"
    & skf21("5","7","5","7","2","6","4","1") = "6"
    & skf21("5","7","5","7","2","6","5","1") = "6"
    & skf21("5","7","5","7","2","6","6","1") = "6"
    & skf21("5","7","5","7","2","6","7","1") = "6"
    & skf21("5","7","5","7","2","7","1","1") = "6"
    & skf21("5","7","5","7","2","7","2","1") = "6"
    & skf21("5","7","5","7","2","7","3","1") = "6"
    & skf21("5","7","5","7","2","7","4","1") = "6"
    & skf21("5","7","5","7","2","7","5","1") = "6"
    & skf21("5","7","5","7","2","7","6","1") = "6"
    & skf21("5","7","5","7","2","7","7","1") = "6"
    & skf21("5","7","5","7","3","1","1","1") = "6"
    & skf21("5","7","5","7","3","1","2","1") = "6"
    & skf21("5","7","5","7","3","1","3","1") = "6"
    & skf21("5","7","5","7","3","1","4","1") = "6"
    & skf21("5","7","5","7","3","1","5","1") = "6"
    & skf21("5","7","5","7","3","1","6","1") = "6"
    & skf21("5","7","5","7","3","1","7","1") = "6"
    & skf21("5","7","5","7","3","2","1","1") = "6"
    & skf21("5","7","5","7","3","2","2","1") = "6"
    & skf21("5","7","5","7","3","2","3","1") = "6"
    & skf21("5","7","5","7","3","2","4","1") = "6"
    & skf21("5","7","5","7","3","2","5","1") = "6"
    & skf21("5","7","5","7","3","2","6","1") = "6"
    & skf21("5","7","5","7","3","2","7","1") = "6"
    & skf21("5","7","5","7","3","3","1","1") = "6"
    & skf21("5","7","5","7","3","3","2","1") = "6"
    & skf21("5","7","5","7","3","3","3","1") = "6"
    & skf21("5","7","5","7","3","3","4","1") = "6"
    & skf21("5","7","5","7","3","3","5","1") = "6"
    & skf21("5","7","5","7","3","3","6","1") = "6"
    & skf21("5","7","5","7","3","3","7","1") = "6"
    & skf21("5","7","5","7","3","4","1","1") = "6"
    & skf21("5","7","5","7","3","4","2","1") = "6"
    & skf21("5","7","5","7","3","4","3","1") = "6"
    & skf21("5","7","5","7","3","4","4","1") = "6"
    & skf21("5","7","5","7","3","4","5","1") = "6"
    & skf21("5","7","5","7","3","4","6","1") = "6"
    & skf21("5","7","5","7","3","4","7","1") = "6"
    & skf21("5","7","5","7","3","5","1","1") = "6"
    & skf21("5","7","5","7","3","5","2","1") = "6"
    & skf21("5","7","5","7","3","5","3","1") = "6"
    & skf21("5","7","5","7","3","5","4","1") = "6"
    & skf21("5","7","5","7","3","5","5","1") = "6"
    & skf21("5","7","5","7","3","5","6","1") = "6"
    & skf21("5","7","5","7","3","5","7","1") = "6"
    & skf21("5","7","5","7","3","6","1","1") = "6"
    & skf21("5","7","5","7","3","6","2","1") = "6"
    & skf21("5","7","5","7","3","6","3","1") = "6"
    & skf21("5","7","5","7","3","6","4","1") = "6"
    & skf21("5","7","5","7","3","6","5","1") = "6"
    & skf21("5","7","5","7","3","6","6","1") = "6"
    & skf21("5","7","5","7","3","6","7","1") = "6"
    & skf21("5","7","5","7","3","7","1","1") = "6"
    & skf21("5","7","5","7","3","7","2","1") = "6"
    & skf21("5","7","5","7","3","7","3","1") = "6"
    & skf21("5","7","5","7","3","7","4","1") = "6"
    & skf21("5","7","5","7","3","7","5","1") = "6"
    & skf21("5","7","5","7","3","7","6","1") = "6"
    & skf21("5","7","5","7","3","7","7","1") = "6"
    & skf21("5","7","5","7","4","1","1","1") = "6"
    & skf21("5","7","5","7","4","1","2","1") = "6"
    & skf21("5","7","5","7","4","1","3","1") = "6"
    & skf21("5","7","5","7","4","1","4","1") = "6"
    & skf21("5","7","5","7","4","1","5","1") = "6"
    & skf21("5","7","5","7","4","1","6","1") = "6"
    & skf21("5","7","5","7","4","1","7","1") = "6"
    & skf21("5","7","5","7","4","2","1","1") = "6"
    & skf21("5","7","5","7","4","2","2","1") = "6"
    & skf21("5","7","5","7","4","2","3","1") = "6"
    & skf21("5","7","5","7","4","2","4","1") = "6"
    & skf21("5","7","5","7","4","2","5","1") = "6"
    & skf21("5","7","5","7","4","2","6","1") = "6"
    & skf21("5","7","5","7","4","2","7","1") = "6"
    & skf21("5","7","5","7","4","3","1","1") = "6"
    & skf21("5","7","5","7","4","3","2","1") = "6"
    & skf21("5","7","5","7","4","3","3","1") = "6"
    & skf21("5","7","5","7","4","3","4","1") = "6"
    & skf21("5","7","5","7","4","3","5","1") = "6"
    & skf21("5","7","5","7","4","3","6","1") = "6"
    & skf21("5","7","5","7","4","3","7","1") = "6"
    & skf21("5","7","5","7","4","4","1","1") = "6"
    & skf21("5","7","5","7","4","4","2","1") = "6"
    & skf21("5","7","5","7","4","4","3","1") = "6"
    & skf21("5","7","5","7","4","4","4","1") = "6"
    & skf21("5","7","5","7","4","4","5","1") = "6"
    & skf21("5","7","5","7","4","4","6","1") = "6"
    & skf21("5","7","5","7","4","4","7","1") = "6"
    & skf21("5","7","5","7","4","5","1","1") = "6"
    & skf21("5","7","5","7","4","5","2","1") = "6"
    & skf21("5","7","5","7","4","5","3","1") = "6"
    & skf21("5","7","5","7","4","5","4","1") = "6"
    & skf21("5","7","5","7","4","5","5","1") = "6"
    & skf21("5","7","5","7","4","5","6","1") = "6"
    & skf21("5","7","5","7","4","5","7","1") = "6"
    & skf21("5","7","5","7","4","6","1","1") = "6"
    & skf21("5","7","5","7","4","6","2","1") = "6"
    & skf21("5","7","5","7","4","6","3","1") = "6"
    & skf21("5","7","5","7","4","6","4","1") = "6"
    & skf21("5","7","5","7","4","6","5","1") = "6"
    & skf21("5","7","5","7","4","6","6","1") = "6"
    & skf21("5","7","5","7","4","6","7","1") = "6"
    & skf21("5","7","5","7","4","7","1","1") = "6"
    & skf21("5","7","5","7","4","7","2","1") = "6"
    & skf21("5","7","5","7","4","7","3","1") = "6"
    & skf21("5","7","5","7","4","7","4","1") = "6"
    & skf21("5","7","5","7","4","7","5","1") = "6"
    & skf21("5","7","5","7","4","7","6","1") = "6"
    & skf21("5","7","5","7","4","7","7","1") = "6"
    & skf21("5","7","5","7","5","1","1","1") = "6"
    & skf21("5","7","5","7","5","1","2","1") = "6"
    & skf21("5","7","5","7","5","1","3","1") = "6"
    & skf21("5","7","5","7","5","1","4","1") = "6"
    & skf21("5","7","5","7","5","1","5","1") = "6"
    & skf21("5","7","5","7","5","1","6","1") = "6"
    & skf21("5","7","5","7","5","1","7","1") = "6"
    & skf21("5","7","5","7","5","2","1","1") = "6"
    & skf21("5","7","5","7","5","2","2","1") = "6"
    & skf21("5","7","5","7","5","2","3","1") = "6"
    & skf21("5","7","5","7","5","2","4","1") = "6"
    & skf21("5","7","5","7","5","2","5","1") = "6"
    & skf21("5","7","5","7","5","2","6","1") = "6"
    & skf21("5","7","5","7","5","2","7","1") = "6"
    & skf21("5","7","5","7","5","3","1","1") = "6"
    & skf21("5","7","5","7","5","3","2","1") = "6"
    & skf21("5","7","5","7","5","3","3","1") = "6"
    & skf21("5","7","5","7","5","3","4","1") = "6"
    & skf21("5","7","5","7","5","3","5","1") = "6"
    & skf21("5","7","5","7","5","3","6","1") = "6"
    & skf21("5","7","5","7","5","3","7","1") = "6"
    & skf21("5","7","5","7","5","4","1","1") = "6"
    & skf21("5","7","5","7","5","4","2","1") = "6"
    & skf21("5","7","5","7","5","4","3","1") = "6"
    & skf21("5","7","5","7","5","4","4","1") = "6"
    & skf21("5","7","5","7","5","4","5","1") = "6"
    & skf21("5","7","5","7","5","4","6","1") = "6"
    & skf21("5","7","5","7","5","4","7","1") = "6"
    & skf21("5","7","5","7","5","5","1","1") = "6"
    & skf21("5","7","5","7","5","5","2","1") = "6"
    & skf21("5","7","5","7","5","5","3","1") = "6"
    & skf21("5","7","5","7","5","5","4","1") = "6"
    & skf21("5","7","5","7","5","5","5","1") = "6"
    & skf21("5","7","5","7","5","5","6","1") = "6"
    & skf21("5","7","5","7","5","5","7","1") = "6"
    & skf21("5","7","5","7","5","6","1","1") = "6"
    & skf21("5","7","5","7","5","6","2","1") = "6"
    & skf21("5","7","5","7","5","6","3","1") = "6"
    & skf21("5","7","5","7","5","6","4","1") = "6"
    & skf21("5","7","5","7","5","6","5","1") = "6"
    & skf21("5","7","5","7","5","6","6","1") = "6"
    & skf21("5","7","5","7","5","6","7","1") = "6"
    & skf21("5","7","5","7","5","7","1","1") = "6"
    & skf21("5","7","5","7","5","7","2","1") = "6"
    & skf21("5","7","5","7","5","7","3","1") = "6"
    & skf21("5","7","5","7","5","7","4","1") = "6"
    & skf21("5","7","5","7","5","7","5","1") = "6"
    & skf21("5","7","5","7","5","7","6","1") = "6"
    & skf21("5","7","5","7","5","7","7","1") = "6"
    & skf21("5","7","5","7","6","1","1","1") = "6"
    & skf21("5","7","5","7","6","1","2","1") = "6"
    & skf21("5","7","5","7","6","1","3","1") = "6"
    & skf21("5","7","5","7","6","1","4","1") = "6"
    & skf21("5","7","5","7","6","1","5","1") = "6"
    & skf21("5","7","5","7","6","1","6","1") = "6"
    & skf21("5","7","5","7","6","1","7","1") = "6"
    & skf21("5","7","5","7","6","2","1","1") = "6"
    & skf21("5","7","5","7","6","2","2","1") = "6"
    & skf21("5","7","5","7","6","2","3","1") = "6"
    & skf21("5","7","5","7","6","2","4","1") = "6"
    & skf21("5","7","5","7","6","2","5","1") = "6"
    & skf21("5","7","5","7","6","2","6","1") = "6"
    & skf21("5","7","5","7","6","2","7","1") = "6"
    & skf21("5","7","5","7","6","3","1","1") = "6"
    & skf21("5","7","5","7","6","3","2","1") = "6"
    & skf21("5","7","5","7","6","3","3","1") = "6"
    & skf21("5","7","5","7","6","3","4","1") = "6"
    & skf21("5","7","5","7","6","3","5","1") = "6"
    & skf21("5","7","5","7","6","3","6","1") = "6"
    & skf21("5","7","5","7","6","3","7","1") = "6"
    & skf21("5","7","5","7","6","4","1","1") = "6"
    & skf21("5","7","5","7","6","4","2","1") = "6"
    & skf21("5","7","5","7","6","4","3","1") = "6"
    & skf21("5","7","5","7","6","4","4","1") = "6"
    & skf21("5","7","5","7","6","4","5","1") = "6"
    & skf21("5","7","5","7","6","4","6","1") = "6"
    & skf21("5","7","5","7","6","4","7","1") = "6"
    & skf21("5","7","5","7","6","5","1","1") = "6"
    & skf21("5","7","5","7","6","5","2","1") = "6"
    & skf21("5","7","5","7","6","5","3","1") = "6"
    & skf21("5","7","5","7","6","5","4","1") = "6"
    & skf21("5","7","5","7","6","5","5","1") = "6"
    & skf21("5","7","5","7","6","5","6","1") = "6"
    & skf21("5","7","5","7","6","5","7","1") = "6"
    & skf21("5","7","5","7","6","6","1","1") = "6"
    & skf21("5","7","5","7","6","6","2","1") = "6"
    & skf21("5","7","5","7","6","6","3","1") = "6"
    & skf21("5","7","5","7","6","6","4","1") = "6"
    & skf21("5","7","5","7","6","6","5","1") = "6"
    & skf21("5","7","5","7","6","6","6","1") = "6"
    & skf21("5","7","5","7","6","6","7","1") = "6"
    & skf21("5","7","5","7","6","7","1","1") = "6"
    & skf21("5","7","5","7","6","7","2","1") = "6"
    & skf21("5","7","5","7","6","7","3","1") = "6"
    & skf21("5","7","5","7","6","7","4","1") = "6"
    & skf21("5","7","5","7","6","7","5","1") = "6"
    & skf21("5","7","5","7","6","7","6","1") = "6"
    & skf21("5","7","5","7","6","7","7","1") = "6"
    & skf21("5","7","5","7","7","1","1","1") = "6"
    & skf21("5","7","5","7","7","1","2","1") = "6"
    & skf21("5","7","5","7","7","1","3","1") = "6"
    & skf21("5","7","5","7","7","1","4","1") = "6"
    & skf21("5","7","5","7","7","1","5","1") = "6"
    & skf21("5","7","5","7","7","1","6","1") = "6"
    & skf21("5","7","5","7","7","1","7","1") = "6"
    & skf21("5","7","5","7","7","2","1","1") = "6"
    & skf21("5","7","5","7","7","2","2","1") = "6"
    & skf21("5","7","5","7","7","2","3","1") = "6"
    & skf21("5","7","5","7","7","2","4","1") = "6"
    & skf21("5","7","5","7","7","2","5","1") = "6"
    & skf21("5","7","5","7","7","2","6","1") = "6"
    & skf21("5","7","5","7","7","2","7","1") = "6"
    & skf21("5","7","5","7","7","3","1","1") = "6"
    & skf21("5","7","5","7","7","3","2","1") = "6"
    & skf21("5","7","5","7","7","3","3","1") = "6"
    & skf21("5","7","5","7","7","3","4","1") = "6"
    & skf21("5","7","5","7","7","3","5","1") = "6"
    & skf21("5","7","5","7","7","3","6","1") = "6"
    & skf21("5","7","5","7","7","3","7","1") = "6"
    & skf21("5","7","5","7","7","4","1","1") = "6"
    & skf21("5","7","5","7","7","4","2","1") = "6"
    & skf21("5","7","5","7","7","4","3","1") = "6"
    & skf21("5","7","5","7","7","4","4","1") = "6"
    & skf21("5","7","5","7","7","4","5","1") = "6"
    & skf21("5","7","5","7","7","4","6","1") = "6"
    & skf21("5","7","5","7","7","4","7","1") = "6"
    & skf21("5","7","5","7","7","5","1","1") = "6"
    & skf21("5","7","5","7","7","5","2","1") = "6"
    & skf21("5","7","5","7","7","5","3","1") = "6"
    & skf21("5","7","5","7","7","5","4","1") = "6"
    & skf21("5","7","5","7","7","5","5","1") = "6"
    & skf21("5","7","5","7","7","5","6","1") = "6"
    & skf21("5","7","5","7","7","5","7","1") = "6"
    & skf21("5","7","5","7","7","6","1","1") = "6"
    & skf21("5","7","5","7","7","6","2","1") = "6"
    & skf21("5","7","5","7","7","6","3","1") = "6"
    & skf21("5","7","5","7","7","6","4","1") = "6"
    & skf21("5","7","5","7","7","6","5","1") = "6"
    & skf21("5","7","5","7","7","6","6","1") = "6"
    & skf21("5","7","5","7","7","6","7","1") = "6"
    & skf21("5","7","5","7","7","7","1","1") = "6"
    & skf21("5","7","5","7","7","7","2","1") = "6"
    & skf21("5","7","5","7","7","7","3","1") = "6"
    & skf21("5","7","5","7","7","7","4","1") = "6"
    & skf21("5","7","5","7","7","7","5","1") = "6"
    & skf21("5","7","5","7","7","7","6","1") = "6"
    & skf21("5","7","5","7","7","7","7","1") = "6"
    & skf21("5","7","6","1","1","1","1","1") = "6"
    & skf21("5","7","6","1","1","1","2","1") = "6"
    & skf21("5","7","6","1","1","1","3","1") = "6"
    & skf21("5","7","6","1","1","1","4","1") = "6"
    & skf21("5","7","6","1","1","1","5","1") = "6"
    & skf21("5","7","6","1","1","1","6","1") = "6"
    & skf21("5","7","6","1","1","1","7","1") = "6"
    & skf21("5","7","6","1","1","2","1","1") = "6"
    & skf21("5","7","6","1","1","2","2","1") = "6"
    & skf21("5","7","6","1","1","2","3","1") = "6"
    & skf21("5","7","6","1","1","2","4","1") = "6"
    & skf21("5","7","6","1","1","2","5","1") = "6"
    & skf21("5","7","6","1","1","2","6","1") = "6"
    & skf21("5","7","6","1","1","2","7","1") = "6"
    & skf21("5","7","6","1","1","3","1","1") = "6"
    & skf21("5","7","6","1","1","3","2","1") = "6"
    & skf21("5","7","6","1","1","3","3","1") = "6"
    & skf21("5","7","6","1","1","3","4","1") = "6"
    & skf21("5","7","6","1","1","3","5","1") = "6"
    & skf21("5","7","6","1","1","3","6","1") = "6"
    & skf21("5","7","6","1","1","3","7","1") = "6"
    & skf21("5","7","6","1","1","4","1","1") = "6"
    & skf21("5","7","6","1","1","4","2","1") = "6"
    & skf21("5","7","6","1","1","4","3","1") = "6"
    & skf21("5","7","6","1","1","4","4","1") = "6"
    & skf21("5","7","6","1","1","4","5","1") = "6"
    & skf21("5","7","6","1","1","4","6","1") = "6"
    & skf21("5","7","6","1","1","4","7","1") = "6"
    & skf21("5","7","6","1","1","5","1","1") = "6"
    & skf21("5","7","6","1","1","5","2","1") = "6"
    & skf21("5","7","6","1","1","5","3","1") = "6"
    & skf21("5","7","6","1","1","5","4","1") = "6"
    & skf21("5","7","6","1","1","5","5","1") = "6"
    & skf21("5","7","6","1","1","5","6","1") = "6"
    & skf21("5","7","6","1","1","5","7","1") = "6"
    & skf21("5","7","6","1","1","6","1","1") = "6"
    & skf21("5","7","6","1","1","6","2","1") = "6"
    & skf21("5","7","6","1","1","6","3","1") = "6"
    & skf21("5","7","6","1","1","6","4","1") = "6"
    & skf21("5","7","6","1","1","6","5","1") = "6"
    & skf21("5","7","6","1","1","6","6","1") = "6"
    & skf21("5","7","6","1","1","6","7","1") = "6"
    & skf21("5","7","6","1","1","7","1","1") = "6"
    & skf21("5","7","6","1","1","7","2","1") = "6"
    & skf21("5","7","6","1","1","7","3","1") = "6"
    & skf21("5","7","6","1","1","7","4","1") = "6"
    & skf21("5","7","6","1","1","7","5","1") = "6"
    & skf21("5","7","6","1","1","7","6","1") = "6"
    & skf21("5","7","6","1","1","7","7","1") = "6"
    & skf21("5","7","6","1","2","1","1","1") = "6"
    & skf21("5","7","6","1","2","1","2","1") = "6"
    & skf21("5","7","6","1","2","1","3","1") = "6"
    & skf21("5","7","6","1","2","1","4","1") = "6"
    & skf21("5","7","6","1","2","1","5","1") = "6"
    & skf21("5","7","6","1","2","1","6","1") = "6"
    & skf21("5","7","6","1","2","1","7","1") = "6"
    & skf21("5","7","6","1","2","2","1","1") = "6"
    & skf21("5","7","6","1","2","2","2","1") = "6"
    & skf21("5","7","6","1","2","2","3","1") = "6"
    & skf21("5","7","6","1","2","2","4","1") = "6"
    & skf21("5","7","6","1","2","2","5","1") = "6"
    & skf21("5","7","6","1","2","2","6","1") = "6"
    & skf21("5","7","6","1","2","2","7","1") = "6"
    & skf21("5","7","6","1","2","3","1","1") = "6"
    & skf21("5","7","6","1","2","3","2","1") = "6"
    & skf21("5","7","6","1","2","3","3","1") = "6"
    & skf21("5","7","6","1","2","3","4","1") = "6"
    & skf21("5","7","6","1","2","3","5","1") = "6"
    & skf21("5","7","6","1","2","3","6","1") = "6"
    & skf21("5","7","6","1","2","3","7","1") = "6"
    & skf21("5","7","6","1","2","4","1","1") = "6"
    & skf21("5","7","6","1","2","4","2","1") = "6"
    & skf21("5","7","6","1","2","4","3","1") = "6"
    & skf21("5","7","6","1","2","4","4","1") = "6"
    & skf21("5","7","6","1","2","4","5","1") = "6"
    & skf21("5","7","6","1","2","4","6","1") = "6"
    & skf21("5","7","6","1","2","4","7","1") = "6"
    & skf21("5","7","6","1","2","5","1","1") = "6"
    & skf21("5","7","6","1","2","5","2","1") = "6"
    & skf21("5","7","6","1","2","5","3","1") = "6"
    & skf21("5","7","6","1","2","5","4","1") = "6"
    & skf21("5","7","6","1","2","5","5","1") = "6"
    & skf21("5","7","6","1","2","5","6","1") = "6"
    & skf21("5","7","6","1","2","5","7","1") = "6"
    & skf21("5","7","6","1","2","6","1","1") = "6"
    & skf21("5","7","6","1","2","6","2","1") = "6"
    & skf21("5","7","6","1","2","6","3","1") = "6"
    & skf21("5","7","6","1","2","6","4","1") = "6"
    & skf21("5","7","6","1","2","6","5","1") = "6"
    & skf21("5","7","6","1","2","6","6","1") = "6"
    & skf21("5","7","6","1","2","6","7","1") = "6"
    & skf21("5","7","6","1","2","7","1","1") = "6"
    & skf21("5","7","6","1","2","7","2","1") = "6"
    & skf21("5","7","6","1","2","7","3","1") = "6"
    & skf21("5","7","6","1","2","7","4","1") = "6"
    & skf21("5","7","6","1","2","7","5","1") = "6"
    & skf21("5","7","6","1","2","7","6","1") = "6"
    & skf21("5","7","6","1","2","7","7","1") = "6"
    & skf21("5","7","6","1","3","1","1","1") = "6"
    & skf21("5","7","6","1","3","1","2","1") = "6"
    & skf21("5","7","6","1","3","1","3","1") = "6"
    & skf21("5","7","6","1","3","1","4","1") = "6"
    & skf21("5","7","6","1","3","1","5","1") = "6"
    & skf21("5","7","6","1","3","1","6","1") = "6"
    & skf21("5","7","6","1","3","1","7","1") = "6"
    & skf21("5","7","6","1","3","2","1","1") = "6"
    & skf21("5","7","6","1","3","2","2","1") = "6"
    & skf21("5","7","6","1","3","2","3","1") = "6"
    & skf21("5","7","6","1","3","2","4","1") = "6"
    & skf21("5","7","6","1","3","2","5","1") = "6"
    & skf21("5","7","6","1","3","2","6","1") = "6"
    & skf21("5","7","6","1","3","2","7","1") = "6"
    & skf21("5","7","6","1","3","3","1","1") = "6"
    & skf21("5","7","6","1","3","3","2","1") = "6"
    & skf21("5","7","6","1","3","3","3","1") = "6"
    & skf21("5","7","6","1","3","3","4","1") = "6"
    & skf21("5","7","6","1","3","3","5","1") = "6"
    & skf21("5","7","6","1","3","3","6","1") = "6"
    & skf21("5","7","6","1","3","3","7","1") = "6"
    & skf21("5","7","6","1","3","4","1","1") = "6"
    & skf21("5","7","6","1","3","4","2","1") = "6"
    & skf21("5","7","6","1","3","4","3","1") = "6"
    & skf21("5","7","6","1","3","4","4","1") = "6"
    & skf21("5","7","6","1","3","4","5","1") = "6"
    & skf21("5","7","6","1","3","4","6","1") = "6"
    & skf21("5","7","6","1","3","4","7","1") = "6"
    & skf21("5","7","6","1","3","5","1","1") = "6"
    & skf21("5","7","6","1","3","5","2","1") = "6"
    & skf21("5","7","6","1","3","5","3","1") = "6"
    & skf21("5","7","6","1","3","5","4","1") = "6"
    & skf21("5","7","6","1","3","5","5","1") = "6"
    & skf21("5","7","6","1","3","5","6","1") = "6"
    & skf21("5","7","6","1","3","5","7","1") = "6"
    & skf21("5","7","6","1","3","6","1","1") = "6"
    & skf21("5","7","6","1","3","6","2","1") = "6"
    & skf21("5","7","6","1","3","6","3","1") = "6"
    & skf21("5","7","6","1","3","6","4","1") = "6"
    & skf21("5","7","6","1","3","6","5","1") = "6"
    & skf21("5","7","6","1","3","6","6","1") = "6"
    & skf21("5","7","6","1","3","6","7","1") = "6"
    & skf21("5","7","6","1","3","7","1","1") = "6"
    & skf21("5","7","6","1","3","7","2","1") = "6"
    & skf21("5","7","6","1","3","7","3","1") = "6"
    & skf21("5","7","6","1","3","7","4","1") = "6"
    & skf21("5","7","6","1","3","7","5","1") = "6"
    & skf21("5","7","6","1","3","7","6","1") = "6"
    & skf21("5","7","6","1","3","7","7","1") = "6"
    & skf21("5","7","6","1","4","1","1","1") = "6"
    & skf21("5","7","6","1","4","1","2","1") = "6"
    & skf21("5","7","6","1","4","1","3","1") = "6"
    & skf21("5","7","6","1","4","1","4","1") = "6"
    & skf21("5","7","6","1","4","1","5","1") = "6"
    & skf21("5","7","6","1","4","1","6","1") = "6"
    & skf21("5","7","6","1","4","1","7","1") = "6"
    & skf21("5","7","6","1","4","2","1","1") = "6"
    & skf21("5","7","6","1","4","2","2","1") = "6"
    & skf21("5","7","6","1","4","2","3","1") = "6"
    & skf21("5","7","6","1","4","2","4","1") = "6"
    & skf21("5","7","6","1","4","2","5","1") = "6"
    & skf21("5","7","6","1","4","2","6","1") = "6"
    & skf21("5","7","6","1","4","2","7","1") = "6"
    & skf21("5","7","6","1","4","3","1","1") = "6"
    & skf21("5","7","6","1","4","3","2","1") = "6"
    & skf21("5","7","6","1","4","3","3","1") = "6"
    & skf21("5","7","6","1","4","3","4","1") = "6"
    & skf21("5","7","6","1","4","3","5","1") = "6"
    & skf21("5","7","6","1","4","3","6","1") = "6"
    & skf21("5","7","6","1","4","3","7","1") = "6"
    & skf21("5","7","6","1","4","4","1","1") = "6"
    & skf21("5","7","6","1","4","4","2","1") = "6"
    & skf21("5","7","6","1","4","4","3","1") = "6"
    & skf21("5","7","6","1","4","4","4","1") = "6"
    & skf21("5","7","6","1","4","4","5","1") = "6"
    & skf21("5","7","6","1","4","4","6","1") = "6"
    & skf21("5","7","6","1","4","4","7","1") = "6"
    & skf21("5","7","6","1","4","5","1","1") = "6"
    & skf21("5","7","6","1","4","5","2","1") = "6"
    & skf21("5","7","6","1","4","5","3","1") = "6"
    & skf21("5","7","6","1","4","5","4","1") = "6"
    & skf21("5","7","6","1","4","5","5","1") = "6"
    & skf21("5","7","6","1","4","5","6","1") = "6"
    & skf21("5","7","6","1","4","5","7","1") = "6"
    & skf21("5","7","6","1","4","6","1","1") = "6"
    & skf21("5","7","6","1","4","6","2","1") = "6"
    & skf21("5","7","6","1","4","6","3","1") = "6"
    & skf21("5","7","6","1","4","6","4","1") = "6"
    & skf21("5","7","6","1","4","6","5","1") = "6"
    & skf21("5","7","6","1","4","6","6","1") = "6"
    & skf21("5","7","6","1","4","6","7","1") = "6"
    & skf21("5","7","6","1","4","7","1","1") = "6"
    & skf21("5","7","6","1","4","7","2","1") = "6"
    & skf21("5","7","6","1","4","7","3","1") = "6"
    & skf21("5","7","6","1","4","7","4","1") = "6"
    & skf21("5","7","6","1","4","7","5","1") = "6"
    & skf21("5","7","6","1","4","7","6","1") = "6"
    & skf21("5","7","6","1","4","7","7","1") = "6"
    & skf21("5","7","6","1","5","1","1","1") = "6"
    & skf21("5","7","6","1","5","1","2","1") = "6"
    & skf21("5","7","6","1","5","1","3","1") = "6"
    & skf21("5","7","6","1","5","1","4","1") = "6"
    & skf21("5","7","6","1","5","1","5","1") = "6"
    & skf21("5","7","6","1","5","1","6","1") = "6"
    & skf21("5","7","6","1","5","1","7","1") = "6"
    & skf21("5","7","6","1","5","2","1","1") = "6"
    & skf21("5","7","6","1","5","2","2","1") = "6"
    & skf21("5","7","6","1","5","2","3","1") = "6"
    & skf21("5","7","6","1","5","2","4","1") = "6"
    & skf21("5","7","6","1","5","2","5","1") = "6"
    & skf21("5","7","6","1","5","2","6","1") = "6"
    & skf21("5","7","6","1","5","2","7","1") = "6"
    & skf21("5","7","6","1","5","3","1","1") = "6"
    & skf21("5","7","6","1","5","3","2","1") = "6"
    & skf21("5","7","6","1","5","3","3","1") = "6"
    & skf21("5","7","6","1","5","3","4","1") = "6"
    & skf21("5","7","6","1","5","3","5","1") = "6"
    & skf21("5","7","6","1","5","3","6","1") = "6"
    & skf21("5","7","6","1","5","3","7","1") = "6"
    & skf21("5","7","6","1","5","4","1","1") = "6"
    & skf21("5","7","6","1","5","4","2","1") = "6"
    & skf21("5","7","6","1","5","4","3","1") = "6"
    & skf21("5","7","6","1","5","4","4","1") = "6"
    & skf21("5","7","6","1","5","4","5","1") = "6"
    & skf21("5","7","6","1","5","4","6","1") = "6"
    & skf21("5","7","6","1","5","4","7","1") = "6"
    & skf21("5","7","6","1","5","5","1","1") = "6"
    & skf21("5","7","6","1","5","5","2","1") = "6"
    & skf21("5","7","6","1","5","5","3","1") = "6"
    & skf21("5","7","6","1","5","5","4","1") = "6"
    & skf21("5","7","6","1","5","5","5","1") = "6"
    & skf21("5","7","6","1","5","5","6","1") = "6"
    & skf21("5","7","6","1","5","5","7","1") = "6"
    & skf21("5","7","6","1","5","6","1","1") = "6"
    & skf21("5","7","6","1","5","6","2","1") = "6"
    & skf21("5","7","6","1","5","6","3","1") = "6"
    & skf21("5","7","6","1","5","6","4","1") = "6"
    & skf21("5","7","6","1","5","6","5","1") = "6"
    & skf21("5","7","6","1","5","6","6","1") = "6"
    & skf21("5","7","6","1","5","6","7","1") = "6"
    & skf21("5","7","6","1","5","7","1","1") = "6"
    & skf21("5","7","6","1","5","7","2","1") = "6"
    & skf21("5","7","6","1","5","7","3","1") = "6"
    & skf21("5","7","6","1","5","7","4","1") = "6"
    & skf21("5","7","6","1","5","7","5","1") = "6"
    & skf21("5","7","6","1","5","7","6","1") = "6"
    & skf21("5","7","6","1","5","7","7","1") = "6"
    & skf21("5","7","6","1","6","1","1","1") = "6"
    & skf21("5","7","6","1","6","1","2","1") = "6"
    & skf21("5","7","6","1","6","1","3","1") = "6"
    & skf21("5","7","6","1","6","1","4","1") = "6"
    & skf21("5","7","6","1","6","1","5","1") = "6"
    & skf21("5","7","6","1","6","1","6","1") = "6"
    & skf21("5","7","6","1","6","1","7","1") = "6"
    & skf21("5","7","6","1","6","2","1","1") = "6"
    & skf21("5","7","6","1","6","2","2","1") = "6"
    & skf21("5","7","6","1","6","2","3","1") = "6"
    & skf21("5","7","6","1","6","2","4","1") = "6"
    & skf21("5","7","6","1","6","2","5","1") = "6"
    & skf21("5","7","6","1","6","2","6","1") = "6"
    & skf21("5","7","6","1","6","2","7","1") = "6"
    & skf21("5","7","6","1","6","3","1","1") = "6"
    & skf21("5","7","6","1","6","3","2","1") = "6"
    & skf21("5","7","6","1","6","3","3","1") = "6"
    & skf21("5","7","6","1","6","3","4","1") = "6"
    & skf21("5","7","6","1","6","3","5","1") = "6"
    & skf21("5","7","6","1","6","3","6","1") = "6"
    & skf21("5","7","6","1","6","3","7","1") = "6"
    & skf21("5","7","6","1","6","4","1","1") = "6"
    & skf21("5","7","6","1","6","4","2","1") = "6"
    & skf21("5","7","6","1","6","4","3","1") = "6"
    & skf21("5","7","6","1","6","4","4","1") = "6"
    & skf21("5","7","6","1","6","4","5","1") = "6"
    & skf21("5","7","6","1","6","4","6","1") = "6"
    & skf21("5","7","6","1","6","4","7","1") = "6"
    & skf21("5","7","6","1","6","5","1","1") = "6"
    & skf21("5","7","6","1","6","5","2","1") = "6"
    & skf21("5","7","6","1","6","5","3","1") = "6"
    & skf21("5","7","6","1","6","5","4","1") = "6"
    & skf21("5","7","6","1","6","5","5","1") = "6"
    & skf21("5","7","6","1","6","5","6","1") = "6"
    & skf21("5","7","6","1","6","5","7","1") = "6"
    & skf21("5","7","6","1","6","6","1","1") = "6"
    & skf21("5","7","6","1","6","6","2","1") = "6"
    & skf21("5","7","6","1","6","6","3","1") = "6"
    & skf21("5","7","6","1","6","6","4","1") = "6"
    & skf21("5","7","6","1","6","6","5","1") = "6"
    & skf21("5","7","6","1","6","6","6","1") = "6"
    & skf21("5","7","6","1","6","6","7","1") = "6"
    & skf21("5","7","6","1","6","7","1","1") = "6"
    & skf21("5","7","6","1","6","7","2","1") = "6"
    & skf21("5","7","6","1","6","7","3","1") = "6"
    & skf21("5","7","6","1","6","7","4","1") = "6"
    & skf21("5","7","6","1","6","7","5","1") = "6"
    & skf21("5","7","6","1","6","7","6","1") = "6"
    & skf21("5","7","6","1","6","7","7","1") = "6"
    & skf21("5","7","6","1","7","1","1","1") = "6"
    & skf21("5","7","6","1","7","1","2","1") = "6"
    & skf21("5","7","6","1","7","1","3","1") = "6"
    & skf21("5","7","6","1","7","1","4","1") = "6"
    & skf21("5","7","6","1","7","1","5","1") = "6"
    & skf21("5","7","6","1","7","1","6","1") = "6"
    & skf21("5","7","6","1","7","1","7","1") = "6"
    & skf21("5","7","6","1","7","2","1","1") = "6"
    & skf21("5","7","6","1","7","2","2","1") = "6"
    & skf21("5","7","6","1","7","2","3","1") = "6"
    & skf21("5","7","6","1","7","2","4","1") = "6"
    & skf21("5","7","6","1","7","2","5","1") = "6"
    & skf21("5","7","6","1","7","2","6","1") = "6"
    & skf21("5","7","6","1","7","2","7","1") = "6"
    & skf21("5","7","6","1","7","3","1","1") = "6"
    & skf21("5","7","6","1","7","3","2","1") = "6"
    & skf21("5","7","6","1","7","3","3","1") = "6"
    & skf21("5","7","6","1","7","3","4","1") = "6"
    & skf21("5","7","6","1","7","3","5","1") = "6"
    & skf21("5","7","6","1","7","3","6","1") = "6"
    & skf21("5","7","6","1","7","3","7","1") = "6"
    & skf21("5","7","6","1","7","4","1","1") = "6"
    & skf21("5","7","6","1","7","4","2","1") = "6"
    & skf21("5","7","6","1","7","4","3","1") = "6"
    & skf21("5","7","6","1","7","4","4","1") = "6"
    & skf21("5","7","6","1","7","4","5","1") = "6"
    & skf21("5","7","6","1","7","4","6","1") = "6"
    & skf21("5","7","6","1","7","4","7","1") = "6"
    & skf21("5","7","6","1","7","5","1","1") = "6"
    & skf21("5","7","6","1","7","5","2","1") = "6"
    & skf21("5","7","6","1","7","5","3","1") = "6"
    & skf21("5","7","6","1","7","5","4","1") = "6"
    & skf21("5","7","6","1","7","5","5","1") = "6"
    & skf21("5","7","6","1","7","5","6","1") = "6"
    & skf21("5","7","6","1","7","5","7","1") = "6"
    & skf21("5","7","6","1","7","6","1","1") = "6"
    & skf21("5","7","6","1","7","6","2","1") = "6"
    & skf21("5","7","6","1","7","6","3","1") = "6"
    & skf21("5","7","6","1","7","6","4","1") = "6"
    & skf21("5","7","6","1","7","6","5","1") = "6"
    & skf21("5","7","6","1","7","6","6","1") = "6"
    & skf21("5","7","6","1","7","6","7","1") = "6"
    & skf21("5","7","6","1","7","7","1","1") = "6"
    & skf21("5","7","6","1","7","7","2","1") = "6"
    & skf21("5","7","6","1","7","7","3","1") = "6"
    & skf21("5","7","6","1","7","7","4","1") = "6"
    & skf21("5","7","6","1","7","7","5","1") = "6"
    & skf21("5","7","6","1","7","7","6","1") = "6"
    & skf21("5","7","6","1","7","7","7","1") = "6"
    & skf21("5","7","6","2","1","1","1","1") = "6"
    & skf21("5","7","6","2","1","1","2","1") = "6"
    & skf21("5","7","6","2","1","1","3","1") = "6"
    & skf21("5","7","6","2","1","1","4","1") = "6"
    & skf21("5","7","6","2","1","1","5","1") = "6"
    & skf21("5","7","6","2","1","1","6","1") = "6"
    & skf21("5","7","6","2","1","1","7","1") = "6"
    & skf21("5","7","6","2","1","2","1","1") = "6"
    & skf21("5","7","6","2","1","2","2","1") = "6"
    & skf21("5","7","6","2","1","2","3","1") = "6"
    & skf21("5","7","6","2","1","2","4","1") = "6"
    & skf21("5","7","6","2","1","2","5","1") = "6"
    & skf21("5","7","6","2","1","2","6","1") = "6"
    & skf21("5","7","6","2","1","2","7","1") = "6"
    & skf21("5","7","6","2","1","3","1","1") = "6"
    & skf21("5","7","6","2","1","3","2","1") = "6"
    & skf21("5","7","6","2","1","3","3","1") = "6"
    & skf21("5","7","6","2","1","3","4","1") = "6"
    & skf21("5","7","6","2","1","3","5","1") = "6"
    & skf21("5","7","6","2","1","3","6","1") = "6"
    & skf21("5","7","6","2","1","3","7","1") = "6"
    & skf21("5","7","6","2","1","4","1","1") = "6"
    & skf21("5","7","6","2","1","4","2","1") = "6"
    & skf21("5","7","6","2","1","4","3","1") = "6"
    & skf21("5","7","6","2","1","4","4","1") = "6"
    & skf21("5","7","6","2","1","4","5","1") = "6"
    & skf21("5","7","6","2","1","4","6","1") = "6"
    & skf21("5","7","6","2","1","4","7","1") = "6"
    & skf21("5","7","6","2","1","5","1","1") = "6"
    & skf21("5","7","6","2","1","5","2","1") = "6"
    & skf21("5","7","6","2","1","5","3","1") = "6"
    & skf21("5","7","6","2","1","5","4","1") = "6"
    & skf21("5","7","6","2","1","5","5","1") = "6"
    & skf21("5","7","6","2","1","5","6","1") = "6"
    & skf21("5","7","6","2","1","5","7","1") = "6"
    & skf21("5","7","6","2","1","6","1","1") = "6"
    & skf21("5","7","6","2","1","6","2","1") = "6"
    & skf21("5","7","6","2","1","6","3","1") = "6"
    & skf21("5","7","6","2","1","6","4","1") = "6"
    & skf21("5","7","6","2","1","6","5","1") = "6"
    & skf21("5","7","6","2","1","6","6","1") = "6"
    & skf21("5","7","6","2","1","6","7","1") = "6"
    & skf21("5","7","6","2","1","7","1","1") = "6"
    & skf21("5","7","6","2","1","7","2","1") = "6"
    & skf21("5","7","6","2","1","7","3","1") = "6"
    & skf21("5","7","6","2","1","7","4","1") = "6"
    & skf21("5","7","6","2","1","7","5","1") = "6"
    & skf21("5","7","6","2","1","7","6","1") = "6"
    & skf21("5","7","6","2","1","7","7","1") = "6"
    & skf21("5","7","6","2","2","1","1","1") = "6"
    & skf21("5","7","6","2","2","1","2","1") = "6"
    & skf21("5","7","6","2","2","1","3","1") = "6"
    & skf21("5","7","6","2","2","1","4","1") = "6"
    & skf21("5","7","6","2","2","1","5","1") = "6"
    & skf21("5","7","6","2","2","1","6","1") = "6"
    & skf21("5","7","6","2","2","1","7","1") = "6"
    & skf21("5","7","6","2","2","2","1","1") = "6"
    & skf21("5","7","6","2","2","2","2","1") = "6"
    & skf21("5","7","6","2","2","2","3","1") = "6"
    & skf21("5","7","6","2","2","2","4","1") = "6"
    & skf21("5","7","6","2","2","2","5","1") = "6"
    & skf21("5","7","6","2","2","2","6","1") = "6"
    & skf21("5","7","6","2","2","2","7","1") = "6"
    & skf21("5","7","6","2","2","3","1","1") = "6"
    & skf21("5","7","6","2","2","3","2","1") = "6"
    & skf21("5","7","6","2","2","3","3","1") = "6"
    & skf21("5","7","6","2","2","3","4","1") = "6"
    & skf21("5","7","6","2","2","3","5","1") = "6"
    & skf21("5","7","6","2","2","3","6","1") = "6"
    & skf21("5","7","6","2","2","3","7","1") = "6"
    & skf21("5","7","6","2","2","4","1","1") = "6"
    & skf21("5","7","6","2","2","4","2","1") = "6"
    & skf21("5","7","6","2","2","4","3","1") = "6"
    & skf21("5","7","6","2","2","4","4","1") = "6"
    & skf21("5","7","6","2","2","4","5","1") = "6"
    & skf21("5","7","6","2","2","4","6","1") = "6"
    & skf21("5","7","6","2","2","4","7","1") = "6"
    & skf21("5","7","6","2","2","5","1","1") = "6"
    & skf21("5","7","6","2","2","5","2","1") = "6"
    & skf21("5","7","6","2","2","5","3","1") = "6"
    & skf21("5","7","6","2","2","5","4","1") = "6"
    & skf21("5","7","6","2","2","5","5","1") = "6"
    & skf21("5","7","6","2","2","5","6","1") = "6"
    & skf21("5","7","6","2","2","5","7","1") = "6"
    & skf21("5","7","6","2","2","6","1","1") = "6"
    & skf21("5","7","6","2","2","6","2","1") = "6"
    & skf21("5","7","6","2","2","6","3","1") = "6"
    & skf21("5","7","6","2","2","6","4","1") = "6"
    & skf21("5","7","6","2","2","6","5","1") = "6"
    & skf21("5","7","6","2","2","6","6","1") = "6"
    & skf21("5","7","6","2","2","6","7","1") = "6"
    & skf21("5","7","6","2","2","7","1","1") = "6"
    & skf21("5","7","6","2","2","7","2","1") = "6"
    & skf21("5","7","6","2","2","7","3","1") = "6"
    & skf21("5","7","6","2","2","7","4","1") = "6"
    & skf21("5","7","6","2","2","7","5","1") = "6"
    & skf21("5","7","6","2","2","7","6","1") = "6"
    & skf21("5","7","6","2","2","7","7","1") = "6"
    & skf21("5","7","6","2","3","1","1","1") = "6"
    & skf21("5","7","6","2","3","1","2","1") = "6"
    & skf21("5","7","6","2","3","1","3","1") = "6"
    & skf21("5","7","6","2","3","1","4","1") = "6"
    & skf21("5","7","6","2","3","1","5","1") = "6"
    & skf21("5","7","6","2","3","1","6","1") = "6"
    & skf21("5","7","6","2","3","1","7","1") = "6"
    & skf21("5","7","6","2","3","2","1","1") = "6"
    & skf21("5","7","6","2","3","2","2","1") = "6"
    & skf21("5","7","6","2","3","2","3","1") = "6"
    & skf21("5","7","6","2","3","2","4","1") = "6"
    & skf21("5","7","6","2","3","2","5","1") = "6"
    & skf21("5","7","6","2","3","2","6","1") = "6"
    & skf21("5","7","6","2","3","2","7","1") = "6"
    & skf21("5","7","6","2","3","3","1","1") = "6"
    & skf21("5","7","6","2","3","3","2","1") = "6"
    & skf21("5","7","6","2","3","3","3","1") = "6"
    & skf21("5","7","6","2","3","3","4","1") = "6"
    & skf21("5","7","6","2","3","3","5","1") = "6"
    & skf21("5","7","6","2","3","3","6","1") = "6"
    & skf21("5","7","6","2","3","3","7","1") = "6"
    & skf21("5","7","6","2","3","4","1","1") = "6"
    & skf21("5","7","6","2","3","4","2","1") = "6"
    & skf21("5","7","6","2","3","4","3","1") = "6"
    & skf21("5","7","6","2","3","4","4","1") = "6"
    & skf21("5","7","6","2","3","4","5","1") = "6"
    & skf21("5","7","6","2","3","4","6","1") = "6"
    & skf21("5","7","6","2","3","4","7","1") = "6"
    & skf21("5","7","6","2","3","5","1","1") = "6"
    & skf21("5","7","6","2","3","5","2","1") = "6"
    & skf21("5","7","6","2","3","5","3","1") = "6"
    & skf21("5","7","6","2","3","5","4","1") = "6"
    & skf21("5","7","6","2","3","5","5","1") = "6"
    & skf21("5","7","6","2","3","5","6","1") = "6"
    & skf21("5","7","6","2","3","5","7","1") = "6"
    & skf21("5","7","6","2","3","6","1","1") = "6"
    & skf21("5","7","6","2","3","6","2","1") = "6"
    & skf21("5","7","6","2","3","6","3","1") = "6"
    & skf21("5","7","6","2","3","6","4","1") = "6"
    & skf21("5","7","6","2","3","6","5","1") = "6"
    & skf21("5","7","6","2","3","6","6","1") = "6"
    & skf21("5","7","6","2","3","6","7","1") = "6"
    & skf21("5","7","6","2","3","7","1","1") = "6"
    & skf21("5","7","6","2","3","7","2","1") = "6"
    & skf21("5","7","6","2","3","7","3","1") = "6"
    & skf21("5","7","6","2","3","7","4","1") = "6"
    & skf21("5","7","6","2","3","7","5","1") = "6"
    & skf21("5","7","6","2","3","7","6","1") = "6"
    & skf21("5","7","6","2","3","7","7","1") = "6"
    & skf21("5","7","6","2","4","1","1","1") = "6"
    & skf21("5","7","6","2","4","1","2","1") = "6"
    & skf21("5","7","6","2","4","1","3","1") = "6"
    & skf21("5","7","6","2","4","1","4","1") = "6"
    & skf21("5","7","6","2","4","1","5","1") = "6"
    & skf21("5","7","6","2","4","1","6","1") = "6"
    & skf21("5","7","6","2","4","1","7","1") = "6"
    & skf21("5","7","6","2","4","2","1","1") = "6"
    & skf21("5","7","6","2","4","2","2","1") = "6"
    & skf21("5","7","6","2","4","2","3","1") = "6"
    & skf21("5","7","6","2","4","2","4","1") = "6"
    & skf21("5","7","6","2","4","2","5","1") = "6"
    & skf21("5","7","6","2","4","2","6","1") = "6"
    & skf21("5","7","6","2","4","2","7","1") = "6"
    & skf21("5","7","6","2","4","3","1","1") = "6"
    & skf21("5","7","6","2","4","3","2","1") = "6"
    & skf21("5","7","6","2","4","3","3","1") = "6"
    & skf21("5","7","6","2","4","3","4","1") = "6"
    & skf21("5","7","6","2","4","3","5","1") = "6"
    & skf21("5","7","6","2","4","3","6","1") = "6"
    & skf21("5","7","6","2","4","3","7","1") = "6"
    & skf21("5","7","6","2","4","4","1","1") = "6"
    & skf21("5","7","6","2","4","4","2","1") = "6"
    & skf21("5","7","6","2","4","4","3","1") = "6"
    & skf21("5","7","6","2","4","4","4","1") = "6"
    & skf21("5","7","6","2","4","4","5","1") = "6"
    & skf21("5","7","6","2","4","4","6","1") = "6"
    & skf21("5","7","6","2","4","4","7","1") = "6"
    & skf21("5","7","6","2","4","5","1","1") = "6"
    & skf21("5","7","6","2","4","5","2","1") = "6"
    & skf21("5","7","6","2","4","5","3","1") = "6"
    & skf21("5","7","6","2","4","5","4","1") = "6"
    & skf21("5","7","6","2","4","5","5","1") = "6"
    & skf21("5","7","6","2","4","5","6","1") = "6"
    & skf21("5","7","6","2","4","5","7","1") = "6"
    & skf21("5","7","6","2","4","6","1","1") = "6"
    & skf21("5","7","6","2","4","6","2","1") = "6"
    & skf21("5","7","6","2","4","6","3","1") = "6"
    & skf21("5","7","6","2","4","6","4","1") = "6"
    & skf21("5","7","6","2","4","6","5","1") = "6"
    & skf21("5","7","6","2","4","6","6","1") = "6"
    & skf21("5","7","6","2","4","6","7","1") = "6"
    & skf21("5","7","6","2","4","7","1","1") = "6"
    & skf21("5","7","6","2","4","7","2","1") = "6"
    & skf21("5","7","6","2","4","7","3","1") = "6"
    & skf21("5","7","6","2","4","7","4","1") = "6"
    & skf21("5","7","6","2","4","7","5","1") = "6"
    & skf21("5","7","6","2","4","7","6","1") = "6"
    & skf21("5","7","6","2","4","7","7","1") = "6"
    & skf21("5","7","6","2","5","1","1","1") = "6"
    & skf21("5","7","6","2","5","1","2","1") = "6"
    & skf21("5","7","6","2","5","1","3","1") = "6"
    & skf21("5","7","6","2","5","1","4","1") = "6"
    & skf21("5","7","6","2","5","1","5","1") = "6"
    & skf21("5","7","6","2","5","1","6","1") = "6"
    & skf21("5","7","6","2","5","1","7","1") = "6"
    & skf21("5","7","6","2","5","2","1","1") = "6"
    & skf21("5","7","6","2","5","2","2","1") = "6"
    & skf21("5","7","6","2","5","2","3","1") = "6"
    & skf21("5","7","6","2","5","2","4","1") = "6"
    & skf21("5","7","6","2","5","2","5","1") = "6"
    & skf21("5","7","6","2","5","2","6","1") = "6"
    & skf21("5","7","6","2","5","2","7","1") = "6"
    & skf21("5","7","6","2","5","3","1","1") = "6"
    & skf21("5","7","6","2","5","3","2","1") = "6"
    & skf21("5","7","6","2","5","3","3","1") = "6"
    & skf21("5","7","6","2","5","3","4","1") = "6"
    & skf21("5","7","6","2","5","3","5","1") = "6"
    & skf21("5","7","6","2","5","3","6","1") = "6"
    & skf21("5","7","6","2","5","3","7","1") = "6"
    & skf21("5","7","6","2","5","4","1","1") = "6"
    & skf21("5","7","6","2","5","4","2","1") = "6"
    & skf21("5","7","6","2","5","4","3","1") = "6"
    & skf21("5","7","6","2","5","4","4","1") = "6"
    & skf21("5","7","6","2","5","4","5","1") = "6"
    & skf21("5","7","6","2","5","4","6","1") = "6"
    & skf21("5","7","6","2","5","4","7","1") = "6"
    & skf21("5","7","6","2","5","5","1","1") = "6"
    & skf21("5","7","6","2","5","5","2","1") = "6"
    & skf21("5","7","6","2","5","5","3","1") = "6"
    & skf21("5","7","6","2","5","5","4","1") = "6"
    & skf21("5","7","6","2","5","5","5","1") = "6"
    & skf21("5","7","6","2","5","5","6","1") = "6"
    & skf21("5","7","6","2","5","5","7","1") = "6"
    & skf21("5","7","6","2","5","6","1","1") = "6"
    & skf21("5","7","6","2","5","6","2","1") = "6"
    & skf21("5","7","6","2","5","6","3","1") = "6"
    & skf21("5","7","6","2","5","6","4","1") = "6"
    & skf21("5","7","6","2","5","6","5","1") = "6"
    & skf21("5","7","6","2","5","6","6","1") = "6"
    & skf21("5","7","6","2","5","6","7","1") = "6"
    & skf21("5","7","6","2","5","7","1","1") = "6"
    & skf21("5","7","6","2","5","7","2","1") = "6"
    & skf21("5","7","6","2","5","7","3","1") = "6"
    & skf21("5","7","6","2","5","7","4","1") = "6"
    & skf21("5","7","6","2","5","7","5","1") = "6"
    & skf21("5","7","6","2","5","7","6","1") = "6"
    & skf21("5","7","6","2","5","7","7","1") = "6"
    & skf21("5","7","6","2","6","1","1","1") = "6"
    & skf21("5","7","6","2","6","1","2","1") = "6"
    & skf21("5","7","6","2","6","1","3","1") = "6"
    & skf21("5","7","6","2","6","1","4","1") = "6"
    & skf21("5","7","6","2","6","1","5","1") = "6"
    & skf21("5","7","6","2","6","1","6","1") = "6"
    & skf21("5","7","6","2","6","1","7","1") = "6"
    & skf21("5","7","6","2","6","2","1","1") = "6"
    & skf21("5","7","6","2","6","2","2","1") = "6"
    & skf21("5","7","6","2","6","2","3","1") = "6"
    & skf21("5","7","6","2","6","2","4","1") = "6"
    & skf21("5","7","6","2","6","2","5","1") = "6"
    & skf21("5","7","6","2","6","2","6","1") = "6"
    & skf21("5","7","6","2","6","2","7","1") = "6"
    & skf21("5","7","6","2","6","3","1","1") = "6"
    & skf21("5","7","6","2","6","3","2","1") = "6"
    & skf21("5","7","6","2","6","3","3","1") = "6"
    & skf21("5","7","6","2","6","3","4","1") = "6"
    & skf21("5","7","6","2","6","3","5","1") = "6"
    & skf21("5","7","6","2","6","3","6","1") = "6"
    & skf21("5","7","6","2","6","3","7","1") = "6"
    & skf21("5","7","6","2","6","4","1","1") = "6"
    & skf21("5","7","6","2","6","4","2","1") = "6"
    & skf21("5","7","6","2","6","4","3","1") = "6"
    & skf21("5","7","6","2","6","4","4","1") = "6"
    & skf21("5","7","6","2","6","4","5","1") = "6"
    & skf21("5","7","6","2","6","4","6","1") = "6"
    & skf21("5","7","6","2","6","4","7","1") = "6"
    & skf21("5","7","6","2","6","5","1","1") = "6"
    & skf21("5","7","6","2","6","5","2","1") = "6"
    & skf21("5","7","6","2","6","5","3","1") = "6"
    & skf21("5","7","6","2","6","5","4","1") = "6"
    & skf21("5","7","6","2","6","5","5","1") = "6"
    & skf21("5","7","6","2","6","5","6","1") = "6"
    & skf21("5","7","6","2","6","5","7","1") = "6"
    & skf21("5","7","6","2","6","6","1","1") = "6"
    & skf21("5","7","6","2","6","6","2","1") = "6"
    & skf21("5","7","6","2","6","6","3","1") = "6"
    & skf21("5","7","6","2","6","6","4","1") = "6"
    & skf21("5","7","6","2","6","6","5","1") = "6"
    & skf21("5","7","6","2","6","6","6","1") = "6"
    & skf21("5","7","6","2","6","6","7","1") = "6"
    & skf21("5","7","6","2","6","7","1","1") = "6"
    & skf21("5","7","6","2","6","7","2","1") = "6"
    & skf21("5","7","6","2","6","7","3","1") = "6"
    & skf21("5","7","6","2","6","7","4","1") = "6"
    & skf21("5","7","6","2","6","7","5","1") = "6"
    & skf21("5","7","6","2","6","7","6","1") = "6"
    & skf21("5","7","6","2","6","7","7","1") = "6"
    & skf21("5","7","6","2","7","1","1","1") = "6"
    & skf21("5","7","6","2","7","1","2","1") = "6"
    & skf21("5","7","6","2","7","1","3","1") = "6"
    & skf21("5","7","6","2","7","1","4","1") = "6"
    & skf21("5","7","6","2","7","1","5","1") = "6"
    & skf21("5","7","6","2","7","1","6","1") = "6"
    & skf21("5","7","6","2","7","1","7","1") = "6"
    & skf21("5","7","6","2","7","2","1","1") = "6"
    & skf21("5","7","6","2","7","2","2","1") = "6"
    & skf21("5","7","6","2","7","2","3","1") = "6"
    & skf21("5","7","6","2","7","2","4","1") = "6"
    & skf21("5","7","6","2","7","2","5","1") = "6"
    & skf21("5","7","6","2","7","2","6","1") = "6"
    & skf21("5","7","6","2","7","2","7","1") = "6"
    & skf21("5","7","6","2","7","3","1","1") = "6"
    & skf21("5","7","6","2","7","3","2","1") = "6"
    & skf21("5","7","6","2","7","3","3","1") = "6"
    & skf21("5","7","6","2","7","3","4","1") = "6"
    & skf21("5","7","6","2","7","3","5","1") = "6"
    & skf21("5","7","6","2","7","3","6","1") = "6"
    & skf21("5","7","6","2","7","3","7","1") = "6"
    & skf21("5","7","6","2","7","4","1","1") = "6"
    & skf21("5","7","6","2","7","4","2","1") = "6"
    & skf21("5","7","6","2","7","4","3","1") = "6"
    & skf21("5","7","6","2","7","4","4","1") = "6"
    & skf21("5","7","6","2","7","4","5","1") = "6"
    & skf21("5","7","6","2","7","4","6","1") = "6"
    & skf21("5","7","6","2","7","4","7","1") = "6"
    & skf21("5","7","6","2","7","5","1","1") = "6"
    & skf21("5","7","6","2","7","5","2","1") = "6"
    & skf21("5","7","6","2","7","5","3","1") = "6"
    & skf21("5","7","6","2","7","5","4","1") = "6"
    & skf21("5","7","6","2","7","5","5","1") = "6"
    & skf21("5","7","6","2","7","5","6","1") = "6"
    & skf21("5","7","6","2","7","5","7","1") = "6"
    & skf21("5","7","6","2","7","6","1","1") = "6"
    & skf21("5","7","6","2","7","6","2","1") = "6"
    & skf21("5","7","6","2","7","6","3","1") = "6"
    & skf21("5","7","6","2","7","6","4","1") = "6"
    & skf21("5","7","6","2","7","6","5","1") = "6"
    & skf21("5","7","6","2","7","6","6","1") = "6"
    & skf21("5","7","6","2","7","6","7","1") = "6"
    & skf21("5","7","6","2","7","7","1","1") = "6"
    & skf21("5","7","6","2","7","7","2","1") = "6"
    & skf21("5","7","6","2","7","7","3","1") = "6"
    & skf21("5","7","6","2","7","7","4","1") = "6"
    & skf21("5","7","6","2","7","7","5","1") = "6"
    & skf21("5","7","6","2","7","7","6","1") = "6"
    & skf21("5","7","6","2","7","7","7","1") = "6"
    & skf21("5","7","6","3","1","1","1","1") = "6"
    & skf21("5","7","6","3","1","1","2","1") = "6"
    & skf21("5","7","6","3","1","1","3","1") = "6"
    & skf21("5","7","6","3","1","1","4","1") = "6"
    & skf21("5","7","6","3","1","1","5","1") = "6"
    & skf21("5","7","6","3","1","1","6","1") = "6"
    & skf21("5","7","6","3","1","1","7","1") = "6"
    & skf21("5","7","6","3","1","2","1","1") = "6"
    & skf21("5","7","6","3","1","2","2","1") = "6"
    & skf21("5","7","6","3","1","2","3","1") = "6"
    & skf21("5","7","6","3","1","2","4","1") = "6"
    & skf21("5","7","6","3","1","2","5","1") = "6"
    & skf21("5","7","6","3","1","2","6","1") = "6"
    & skf21("5","7","6","3","1","2","7","1") = "6"
    & skf21("5","7","6","3","1","3","1","1") = "6"
    & skf21("5","7","6","3","1","3","2","1") = "6"
    & skf21("5","7","6","3","1","3","3","1") = "6"
    & skf21("5","7","6","3","1","3","4","1") = "6"
    & skf21("5","7","6","3","1","3","5","1") = "6"
    & skf21("5","7","6","3","1","3","6","1") = "6"
    & skf21("5","7","6","3","1","3","7","1") = "6"
    & skf21("5","7","6","3","1","4","1","1") = "6"
    & skf21("5","7","6","3","1","4","2","1") = "6"
    & skf21("5","7","6","3","1","4","3","1") = "6"
    & skf21("5","7","6","3","1","4","4","1") = "6"
    & skf21("5","7","6","3","1","4","5","1") = "6"
    & skf21("5","7","6","3","1","4","6","1") = "6"
    & skf21("5","7","6","3","1","4","7","1") = "6"
    & skf21("5","7","6","3","1","5","1","1") = "6"
    & skf21("5","7","6","3","1","5","2","1") = "6"
    & skf21("5","7","6","3","1","5","3","1") = "6"
    & skf21("5","7","6","3","1","5","4","1") = "6"
    & skf21("5","7","6","3","1","5","5","1") = "6"
    & skf21("5","7","6","3","1","5","6","1") = "6"
    & skf21("5","7","6","3","1","5","7","1") = "6"
    & skf21("5","7","6","3","1","6","1","1") = "6"
    & skf21("5","7","6","3","1","6","2","1") = "6"
    & skf21("5","7","6","3","1","6","3","1") = "6"
    & skf21("5","7","6","3","1","6","4","1") = "6"
    & skf21("5","7","6","3","1","6","5","1") = "6"
    & skf21("5","7","6","3","1","6","6","1") = "6"
    & skf21("5","7","6","3","1","6","7","1") = "6"
    & skf21("5","7","6","3","1","7","1","1") = "6"
    & skf21("5","7","6","3","1","7","2","1") = "6"
    & skf21("5","7","6","3","1","7","3","1") = "6"
    & skf21("5","7","6","3","1","7","4","1") = "6"
    & skf21("5","7","6","3","1","7","5","1") = "6"
    & skf21("5","7","6","3","1","7","6","1") = "6"
    & skf21("5","7","6","3","1","7","7","1") = "6"
    & skf21("5","7","6","3","2","1","1","1") = "6"
    & skf21("5","7","6","3","2","1","2","1") = "6"
    & skf21("5","7","6","3","2","1","3","1") = "6"
    & skf21("5","7","6","3","2","1","4","1") = "6"
    & skf21("5","7","6","3","2","1","5","1") = "6"
    & skf21("5","7","6","3","2","1","6","1") = "6"
    & skf21("5","7","6","3","2","1","7","1") = "6"
    & skf21("5","7","6","3","2","2","1","1") = "6"
    & skf21("5","7","6","3","2","2","2","1") = "6"
    & skf21("5","7","6","3","2","2","3","1") = "6"
    & skf21("5","7","6","3","2","2","4","1") = "6"
    & skf21("5","7","6","3","2","2","5","1") = "6"
    & skf21("5","7","6","3","2","2","6","1") = "6"
    & skf21("5","7","6","3","2","2","7","1") = "6"
    & skf21("5","7","6","3","2","3","1","1") = "6"
    & skf21("5","7","6","3","2","3","2","1") = "6"
    & skf21("5","7","6","3","2","3","3","1") = "6"
    & skf21("5","7","6","3","2","3","4","1") = "6"
    & skf21("5","7","6","3","2","3","5","1") = "6"
    & skf21("5","7","6","3","2","3","6","1") = "6"
    & skf21("5","7","6","3","2","3","7","1") = "6"
    & skf21("5","7","6","3","2","4","1","1") = "6"
    & skf21("5","7","6","3","2","4","2","1") = "6"
    & skf21("5","7","6","3","2","4","3","1") = "6"
    & skf21("5","7","6","3","2","4","4","1") = "6"
    & skf21("5","7","6","3","2","4","5","1") = "6"
    & skf21("5","7","6","3","2","4","6","1") = "6"
    & skf21("5","7","6","3","2","4","7","1") = "6"
    & skf21("5","7","6","3","2","5","1","1") = "6"
    & skf21("5","7","6","3","2","5","2","1") = "6"
    & skf21("5","7","6","3","2","5","3","1") = "6"
    & skf21("5","7","6","3","2","5","4","1") = "6"
    & skf21("5","7","6","3","2","5","5","1") = "6"
    & skf21("5","7","6","3","2","5","6","1") = "6"
    & skf21("5","7","6","3","2","5","7","1") = "6"
    & skf21("5","7","6","3","2","6","1","1") = "6"
    & skf21("5","7","6","3","2","6","2","1") = "6"
    & skf21("5","7","6","3","2","6","3","1") = "6"
    & skf21("5","7","6","3","2","6","4","1") = "6"
    & skf21("5","7","6","3","2","6","5","1") = "6"
    & skf21("5","7","6","3","2","6","6","1") = "6"
    & skf21("5","7","6","3","2","6","7","1") = "6"
    & skf21("5","7","6","3","2","7","1","1") = "6"
    & skf21("5","7","6","3","2","7","2","1") = "6"
    & skf21("5","7","6","3","2","7","3","1") = "6"
    & skf21("5","7","6","3","2","7","4","1") = "6"
    & skf21("5","7","6","3","2","7","5","1") = "6"
    & skf21("5","7","6","3","2","7","6","1") = "6"
    & skf21("5","7","6","3","2","7","7","1") = "6"
    & skf21("5","7","6","3","3","1","1","1") = "6"
    & skf21("5","7","6","3","3","1","2","1") = "6"
    & skf21("5","7","6","3","3","1","3","1") = "6"
    & skf21("5","7","6","3","3","1","4","1") = "6"
    & skf21("5","7","6","3","3","1","5","1") = "6"
    & skf21("5","7","6","3","3","1","6","1") = "6"
    & skf21("5","7","6","3","3","1","7","1") = "6"
    & skf21("5","7","6","3","3","2","1","1") = "6"
    & skf21("5","7","6","3","3","2","2","1") = "6"
    & skf21("5","7","6","3","3","2","3","1") = "6"
    & skf21("5","7","6","3","3","2","4","1") = "6"
    & skf21("5","7","6","3","3","2","5","1") = "6"
    & skf21("5","7","6","3","3","2","6","1") = "6"
    & skf21("5","7","6","3","3","2","7","1") = "6"
    & skf21("5","7","6","3","3","3","1","1") = "6"
    & skf21("5","7","6","3","3","3","2","1") = "6"
    & skf21("5","7","6","3","3","3","3","1") = "6"
    & skf21("5","7","6","3","3","3","4","1") = "6"
    & skf21("5","7","6","3","3","3","5","1") = "6"
    & skf21("5","7","6","3","3","3","6","1") = "6"
    & skf21("5","7","6","3","3","3","7","1") = "6"
    & skf21("5","7","6","3","3","4","1","1") = "6"
    & skf21("5","7","6","3","3","4","2","1") = "6"
    & skf21("5","7","6","3","3","4","3","1") = "6"
    & skf21("5","7","6","3","3","4","4","1") = "6"
    & skf21("5","7","6","3","3","4","5","1") = "6"
    & skf21("5","7","6","3","3","4","6","1") = "6"
    & skf21("5","7","6","3","3","4","7","1") = "6"
    & skf21("5","7","6","3","3","5","1","1") = "6"
    & skf21("5","7","6","3","3","5","2","1") = "6"
    & skf21("5","7","6","3","3","5","3","1") = "6"
    & skf21("5","7","6","3","3","5","4","1") = "6"
    & skf21("5","7","6","3","3","5","5","1") = "6"
    & skf21("5","7","6","3","3","5","6","1") = "6"
    & skf21("5","7","6","3","3","5","7","1") = "6"
    & skf21("5","7","6","3","3","6","1","1") = "6"
    & skf21("5","7","6","3","3","6","2","1") = "6"
    & skf21("5","7","6","3","3","6","3","1") = "6"
    & skf21("5","7","6","3","3","6","4","1") = "6"
    & skf21("5","7","6","3","3","6","5","1") = "6"
    & skf21("5","7","6","3","3","6","6","1") = "6"
    & skf21("5","7","6","3","3","6","7","1") = "6"
    & skf21("5","7","6","3","3","7","1","1") = "6"
    & skf21("5","7","6","3","3","7","2","1") = "6"
    & skf21("5","7","6","3","3","7","3","1") = "6"
    & skf21("5","7","6","3","3","7","4","1") = "6"
    & skf21("5","7","6","3","3","7","5","1") = "6"
    & skf21("5","7","6","3","3","7","6","1") = "6"
    & skf21("5","7","6","3","3","7","7","1") = "6"
    & skf21("5","7","6","3","4","1","1","1") = "6"
    & skf21("5","7","6","3","4","1","2","1") = "6"
    & skf21("5","7","6","3","4","1","3","1") = "6"
    & skf21("5","7","6","3","4","1","4","1") = "6"
    & skf21("5","7","6","3","4","1","5","1") = "6"
    & skf21("5","7","6","3","4","1","6","1") = "6"
    & skf21("5","7","6","3","4","1","7","1") = "6"
    & skf21("5","7","6","3","4","2","1","1") = "6"
    & skf21("5","7","6","3","4","2","2","1") = "6"
    & skf21("5","7","6","3","4","2","3","1") = "6"
    & skf21("5","7","6","3","4","2","4","1") = "6"
    & skf21("5","7","6","3","4","2","5","1") = "6"
    & skf21("5","7","6","3","4","2","6","1") = "6"
    & skf21("5","7","6","3","4","2","7","1") = "6"
    & skf21("5","7","6","3","4","3","1","1") = "6"
    & skf21("5","7","6","3","4","3","2","1") = "6"
    & skf21("5","7","6","3","4","3","3","1") = "6"
    & skf21("5","7","6","3","4","3","4","1") = "6"
    & skf21("5","7","6","3","4","3","5","1") = "6"
    & skf21("5","7","6","3","4","3","6","1") = "6"
    & skf21("5","7","6","3","4","3","7","1") = "6"
    & skf21("5","7","6","3","4","4","1","1") = "6"
    & skf21("5","7","6","3","4","4","2","1") = "6"
    & skf21("5","7","6","3","4","4","3","1") = "6"
    & skf21("5","7","6","3","4","4","4","1") = "6"
    & skf21("5","7","6","3","4","4","5","1") = "6"
    & skf21("5","7","6","3","4","4","6","1") = "6"
    & skf21("5","7","6","3","4","4","7","1") = "6"
    & skf21("5","7","6","3","4","5","1","1") = "6"
    & skf21("5","7","6","3","4","5","2","1") = "6"
    & skf21("5","7","6","3","4","5","3","1") = "6"
    & skf21("5","7","6","3","4","5","4","1") = "6"
    & skf21("5","7","6","3","4","5","5","1") = "6"
    & skf21("5","7","6","3","4","5","6","1") = "6"
    & skf21("5","7","6","3","4","5","7","1") = "6"
    & skf21("5","7","6","3","4","6","1","1") = "6"
    & skf21("5","7","6","3","4","6","2","1") = "6"
    & skf21("5","7","6","3","4","6","3","1") = "6"
    & skf21("5","7","6","3","4","6","4","1") = "6"
    & skf21("5","7","6","3","4","6","5","1") = "6"
    & skf21("5","7","6","3","4","6","6","1") = "6"
    & skf21("5","7","6","3","4","6","7","1") = "6"
    & skf21("5","7","6","3","4","7","1","1") = "6"
    & skf21("5","7","6","3","4","7","2","1") = "6"
    & skf21("5","7","6","3","4","7","3","1") = "6"
    & skf21("5","7","6","3","4","7","4","1") = "6"
    & skf21("5","7","6","3","4","7","5","1") = "6"
    & skf21("5","7","6","3","4","7","6","1") = "6"
    & skf21("5","7","6","3","4","7","7","1") = "6"
    & skf21("5","7","6","3","5","1","1","1") = "6"
    & skf21("5","7","6","3","5","1","2","1") = "6"
    & skf21("5","7","6","3","5","1","3","1") = "6"
    & skf21("5","7","6","3","5","1","4","1") = "6"
    & skf21("5","7","6","3","5","1","5","1") = "6"
    & skf21("5","7","6","3","5","1","6","1") = "6"
    & skf21("5","7","6","3","5","1","7","1") = "6"
    & skf21("5","7","6","3","5","2","1","1") = "6"
    & skf21("5","7","6","3","5","2","2","1") = "6"
    & skf21("5","7","6","3","5","2","3","1") = "6"
    & skf21("5","7","6","3","5","2","4","1") = "6"
    & skf21("5","7","6","3","5","2","5","1") = "6"
    & skf21("5","7","6","3","5","2","6","1") = "6"
    & skf21("5","7","6","3","5","2","7","1") = "6"
    & skf21("5","7","6","3","5","3","1","1") = "6"
    & skf21("5","7","6","3","5","3","2","1") = "6"
    & skf21("5","7","6","3","5","3","3","1") = "6"
    & skf21("5","7","6","3","5","3","4","1") = "6"
    & skf21("5","7","6","3","5","3","5","1") = "6"
    & skf21("5","7","6","3","5","3","6","1") = "6"
    & skf21("5","7","6","3","5","3","7","1") = "6"
    & skf21("5","7","6","3","5","4","1","1") = "6"
    & skf21("5","7","6","3","5","4","2","1") = "6"
    & skf21("5","7","6","3","5","4","3","1") = "6"
    & skf21("5","7","6","3","5","4","4","1") = "6"
    & skf21("5","7","6","3","5","4","5","1") = "6"
    & skf21("5","7","6","3","5","4","6","1") = "6"
    & skf21("5","7","6","3","5","4","7","1") = "6"
    & skf21("5","7","6","3","5","5","1","1") = "6"
    & skf21("5","7","6","3","5","5","2","1") = "6"
    & skf21("5","7","6","3","5","5","3","1") = "6"
    & skf21("5","7","6","3","5","5","4","1") = "6"
    & skf21("5","7","6","3","5","5","5","1") = "6"
    & skf21("5","7","6","3","5","5","6","1") = "6"
    & skf21("5","7","6","3","5","5","7","1") = "6"
    & skf21("5","7","6","3","5","6","1","1") = "6"
    & skf21("5","7","6","3","5","6","2","1") = "6"
    & skf21("5","7","6","3","5","6","3","1") = "6"
    & skf21("5","7","6","3","5","6","4","1") = "6"
    & skf21("5","7","6","3","5","6","5","1") = "6"
    & skf21("5","7","6","3","5","6","6","1") = "6"
    & skf21("5","7","6","3","5","6","7","1") = "6"
    & skf21("5","7","6","3","5","7","1","1") = "6"
    & skf21("5","7","6","3","5","7","2","1") = "6"
    & skf21("5","7","6","3","5","7","3","1") = "6"
    & skf21("5","7","6","3","5","7","4","1") = "6"
    & skf21("5","7","6","3","5","7","5","1") = "6"
    & skf21("5","7","6","3","5","7","6","1") = "6"
    & skf21("5","7","6","3","5","7","7","1") = "6"
    & skf21("5","7","6","3","6","1","1","1") = "6"
    & skf21("5","7","6","3","6","1","2","1") = "6"
    & skf21("5","7","6","3","6","1","3","1") = "6"
    & skf21("5","7","6","3","6","1","4","1") = "6"
    & skf21("5","7","6","3","6","1","5","1") = "6"
    & skf21("5","7","6","3","6","1","6","1") = "6"
    & skf21("5","7","6","3","6","1","7","1") = "6"
    & skf21("5","7","6","3","6","2","1","1") = "6"
    & skf21("5","7","6","3","6","2","2","1") = "6"
    & skf21("5","7","6","3","6","2","3","1") = "6"
    & skf21("5","7","6","3","6","2","4","1") = "6"
    & skf21("5","7","6","3","6","2","5","1") = "6"
    & skf21("5","7","6","3","6","2","6","1") = "6"
    & skf21("5","7","6","3","6","2","7","1") = "6"
    & skf21("5","7","6","3","6","3","1","1") = "6"
    & skf21("5","7","6","3","6","3","2","1") = "6"
    & skf21("5","7","6","3","6","3","3","1") = "6"
    & skf21("5","7","6","3","6","3","4","1") = "6"
    & skf21("5","7","6","3","6","3","5","1") = "6"
    & skf21("5","7","6","3","6","3","6","1") = "6"
    & skf21("5","7","6","3","6","3","7","1") = "6"
    & skf21("5","7","6","3","6","4","1","1") = "6"
    & skf21("5","7","6","3","6","4","2","1") = "6"
    & skf21("5","7","6","3","6","4","3","1") = "6"
    & skf21("5","7","6","3","6","4","4","1") = "6"
    & skf21("5","7","6","3","6","4","5","1") = "6"
    & skf21("5","7","6","3","6","4","6","1") = "6"
    & skf21("5","7","6","3","6","4","7","1") = "6"
    & skf21("5","7","6","3","6","5","1","1") = "6"
    & skf21("5","7","6","3","6","5","2","1") = "6"
    & skf21("5","7","6","3","6","5","3","1") = "6"
    & skf21("5","7","6","3","6","5","4","1") = "6"
    & skf21("5","7","6","3","6","5","5","1") = "6"
    & skf21("5","7","6","3","6","5","6","1") = "6"
    & skf21("5","7","6","3","6","5","7","1") = "6"
    & skf21("5","7","6","3","6","6","1","1") = "6"
    & skf21("5","7","6","3","6","6","2","1") = "6"
    & skf21("5","7","6","3","6","6","3","1") = "6"
    & skf21("5","7","6","3","6","6","4","1") = "6"
    & skf21("5","7","6","3","6","6","5","1") = "6"
    & skf21("5","7","6","3","6","6","6","1") = "6"
    & skf21("5","7","6","3","6","6","7","1") = "6"
    & skf21("5","7","6","3","6","7","1","1") = "6"
    & skf21("5","7","6","3","6","7","2","1") = "6"
    & skf21("5","7","6","3","6","7","3","1") = "6"
    & skf21("5","7","6","3","6","7","4","1") = "6"
    & skf21("5","7","6","3","6","7","5","1") = "6"
    & skf21("5","7","6","3","6","7","6","1") = "6"
    & skf21("5","7","6","3","6","7","7","1") = "6"
    & skf21("5","7","6","3","7","1","1","1") = "6"
    & skf21("5","7","6","3","7","1","2","1") = "6"
    & skf21("5","7","6","3","7","1","3","1") = "6"
    & skf21("5","7","6","3","7","1","4","1") = "6"
    & skf21("5","7","6","3","7","1","5","1") = "6"
    & skf21("5","7","6","3","7","1","6","1") = "6"
    & skf21("5","7","6","3","7","1","7","1") = "6"
    & skf21("5","7","6","3","7","2","1","1") = "6"
    & skf21("5","7","6","3","7","2","2","1") = "6"
    & skf21("5","7","6","3","7","2","3","1") = "6"
    & skf21("5","7","6","3","7","2","4","1") = "6"
    & skf21("5","7","6","3","7","2","5","1") = "6"
    & skf21("5","7","6","3","7","2","6","1") = "6"
    & skf21("5","7","6","3","7","2","7","1") = "6"
    & skf21("5","7","6","3","7","3","1","1") = "6"
    & skf21("5","7","6","3","7","3","2","1") = "6"
    & skf21("5","7","6","3","7","3","3","1") = "6"
    & skf21("5","7","6","3","7","3","4","1") = "6"
    & skf21("5","7","6","3","7","3","5","1") = "6"
    & skf21("5","7","6","3","7","3","6","1") = "6"
    & skf21("5","7","6","3","7","3","7","1") = "6"
    & skf21("5","7","6","3","7","4","1","1") = "6"
    & skf21("5","7","6","3","7","4","2","1") = "6"
    & skf21("5","7","6","3","7","4","3","1") = "6"
    & skf21("5","7","6","3","7","4","4","1") = "6"
    & skf21("5","7","6","3","7","4","5","1") = "6"
    & skf21("5","7","6","3","7","4","6","1") = "6"
    & skf21("5","7","6","3","7","4","7","1") = "6"
    & skf21("5","7","6","3","7","5","1","1") = "6"
    & skf21("5","7","6","3","7","5","2","1") = "6"
    & skf21("5","7","6","3","7","5","3","1") = "6"
    & skf21("5","7","6","3","7","5","4","1") = "6"
    & skf21("5","7","6","3","7","5","5","1") = "6"
    & skf21("5","7","6","3","7","5","6","1") = "6"
    & skf21("5","7","6","3","7","5","7","1") = "6"
    & skf21("5","7","6","3","7","6","1","1") = "6"
    & skf21("5","7","6","3","7","6","2","1") = "6"
    & skf21("5","7","6","3","7","6","3","1") = "6"
    & skf21("5","7","6","3","7","6","4","1") = "6"
    & skf21("5","7","6","3","7","6","5","1") = "6"
    & skf21("5","7","6","3","7","6","6","1") = "6"
    & skf21("5","7","6","3","7","6","7","1") = "6"
    & skf21("5","7","6","3","7","7","1","1") = "6"
    & skf21("5","7","6","3","7","7","2","1") = "6"
    & skf21("5","7","6","3","7","7","3","1") = "6"
    & skf21("5","7","6","3","7","7","4","1") = "6"
    & skf21("5","7","6","3","7","7","5","1") = "6"
    & skf21("5","7","6","3","7","7","6","1") = "6"
    & skf21("5","7","6","3","7","7","7","1") = "6"
    & skf21("5","7","6","4","1","1","1","1") = "6"
    & skf21("5","7","6","4","1","1","2","1") = "6"
    & skf21("5","7","6","4","1","1","3","1") = "6"
    & skf21("5","7","6","4","1","1","4","1") = "6"
    & skf21("5","7","6","4","1","1","5","1") = "6"
    & skf21("5","7","6","4","1","1","6","1") = "6"
    & skf21("5","7","6","4","1","1","7","1") = "6"
    & skf21("5","7","6","4","1","2","1","1") = "6"
    & skf21("5","7","6","4","1","2","2","1") = "6"
    & skf21("5","7","6","4","1","2","3","1") = "6"
    & skf21("5","7","6","4","1","2","4","1") = "6"
    & skf21("5","7","6","4","1","2","5","1") = "6"
    & skf21("5","7","6","4","1","2","6","1") = "6"
    & skf21("5","7","6","4","1","2","7","1") = "6"
    & skf21("5","7","6","4","1","3","1","1") = "6"
    & skf21("5","7","6","4","1","3","2","1") = "6"
    & skf21("5","7","6","4","1","3","3","1") = "6"
    & skf21("5","7","6","4","1","3","4","1") = "6"
    & skf21("5","7","6","4","1","3","5","1") = "6"
    & skf21("5","7","6","4","1","3","6","1") = "6"
    & skf21("5","7","6","4","1","3","7","1") = "6"
    & skf21("5","7","6","4","1","4","1","1") = "6"
    & skf21("5","7","6","4","1","4","2","1") = "6"
    & skf21("5","7","6","4","1","4","3","1") = "6"
    & skf21("5","7","6","4","1","4","4","1") = "6"
    & skf21("5","7","6","4","1","4","5","1") = "6"
    & skf21("5","7","6","4","1","4","6","1") = "6"
    & skf21("5","7","6","4","1","4","7","1") = "6"
    & skf21("5","7","6","4","1","5","1","1") = "6"
    & skf21("5","7","6","4","1","5","2","1") = "6"
    & skf21("5","7","6","4","1","5","3","1") = "6"
    & skf21("5","7","6","4","1","5","4","1") = "6"
    & skf21("5","7","6","4","1","5","5","1") = "6"
    & skf21("5","7","6","4","1","5","6","1") = "6"
    & skf21("5","7","6","4","1","5","7","1") = "6"
    & skf21("5","7","6","4","1","6","1","1") = "6"
    & skf21("5","7","6","4","1","6","2","1") = "6"
    & skf21("5","7","6","4","1","6","3","1") = "6"
    & skf21("5","7","6","4","1","6","4","1") = "6"
    & skf21("5","7","6","4","1","6","5","1") = "6"
    & skf21("5","7","6","4","1","6","6","1") = "6"
    & skf21("5","7","6","4","1","6","7","1") = "6"
    & skf21("5","7","6","4","1","7","1","1") = "6"
    & skf21("5","7","6","4","1","7","2","1") = "6"
    & skf21("5","7","6","4","1","7","3","1") = "6"
    & skf21("5","7","6","4","1","7","4","1") = "6"
    & skf21("5","7","6","4","1","7","5","1") = "6"
    & skf21("5","7","6","4","1","7","6","1") = "6"
    & skf21("5","7","6","4","1","7","7","1") = "6"
    & skf21("5","7","6","4","2","1","1","1") = "6"
    & skf21("5","7","6","4","2","1","2","1") = "6"
    & skf21("5","7","6","4","2","1","3","1") = "6"
    & skf21("5","7","6","4","2","1","4","1") = "6"
    & skf21("5","7","6","4","2","1","5","1") = "6"
    & skf21("5","7","6","4","2","1","6","1") = "6"
    & skf21("5","7","6","4","2","1","7","1") = "6"
    & skf21("5","7","6","4","2","2","1","1") = "6"
    & skf21("5","7","6","4","2","2","2","1") = "6"
    & skf21("5","7","6","4","2","2","3","1") = "6"
    & skf21("5","7","6","4","2","2","4","1") = "6"
    & skf21("5","7","6","4","2","2","5","1") = "6"
    & skf21("5","7","6","4","2","2","6","1") = "6"
    & skf21("5","7","6","4","2","2","7","1") = "6"
    & skf21("5","7","6","4","2","3","1","1") = "6"
    & skf21("5","7","6","4","2","3","2","1") = "6"
    & skf21("5","7","6","4","2","3","3","1") = "6"
    & skf21("5","7","6","4","2","3","4","1") = "6"
    & skf21("5","7","6","4","2","3","5","1") = "6"
    & skf21("5","7","6","4","2","3","6","1") = "6"
    & skf21("5","7","6","4","2","3","7","1") = "6"
    & skf21("5","7","6","4","2","4","1","1") = "6"
    & skf21("5","7","6","4","2","4","2","1") = "6"
    & skf21("5","7","6","4","2","4","3","1") = "6"
    & skf21("5","7","6","4","2","4","4","1") = "6"
    & skf21("5","7","6","4","2","4","5","1") = "6"
    & skf21("5","7","6","4","2","4","6","1") = "6"
    & skf21("5","7","6","4","2","4","7","1") = "6"
    & skf21("5","7","6","4","2","5","1","1") = "6"
    & skf21("5","7","6","4","2","5","2","1") = "6"
    & skf21("5","7","6","4","2","5","3","1") = "6"
    & skf21("5","7","6","4","2","5","4","1") = "6"
    & skf21("5","7","6","4","2","5","5","1") = "6"
    & skf21("5","7","6","4","2","5","6","1") = "6"
    & skf21("5","7","6","4","2","5","7","1") = "6"
    & skf21("5","7","6","4","2","6","1","1") = "6"
    & skf21("5","7","6","4","2","6","2","1") = "6"
    & skf21("5","7","6","4","2","6","3","1") = "6"
    & skf21("5","7","6","4","2","6","4","1") = "6"
    & skf21("5","7","6","4","2","6","5","1") = "6"
    & skf21("5","7","6","4","2","6","6","1") = "6"
    & skf21("5","7","6","4","2","6","7","1") = "6"
    & skf21("5","7","6","4","2","7","1","1") = "6"
    & skf21("5","7","6","4","2","7","2","1") = "6"
    & skf21("5","7","6","4","2","7","3","1") = "6"
    & skf21("5","7","6","4","2","7","4","1") = "6"
    & skf21("5","7","6","4","2","7","5","1") = "6"
    & skf21("5","7","6","4","2","7","6","1") = "6"
    & skf21("5","7","6","4","2","7","7","1") = "6"
    & skf21("5","7","6","4","3","1","1","1") = "6"
    & skf21("5","7","6","4","3","1","2","1") = "6"
    & skf21("5","7","6","4","3","1","3","1") = "6"
    & skf21("5","7","6","4","3","1","4","1") = "6"
    & skf21("5","7","6","4","3","1","5","1") = "6"
    & skf21("5","7","6","4","3","1","6","1") = "6"
    & skf21("5","7","6","4","3","1","7","1") = "6"
    & skf21("5","7","6","4","3","2","1","1") = "6"
    & skf21("5","7","6","4","3","2","2","1") = "6"
    & skf21("5","7","6","4","3","2","3","1") = "6"
    & skf21("5","7","6","4","3","2","4","1") = "6"
    & skf21("5","7","6","4","3","2","5","1") = "6"
    & skf21("5","7","6","4","3","2","6","1") = "6"
    & skf21("5","7","6","4","3","2","7","1") = "6"
    & skf21("5","7","6","4","3","3","1","1") = "6"
    & skf21("5","7","6","4","3","3","2","1") = "6"
    & skf21("5","7","6","4","3","3","3","1") = "6"
    & skf21("5","7","6","4","3","3","4","1") = "6"
    & skf21("5","7","6","4","3","3","5","1") = "6"
    & skf21("5","7","6","4","3","3","6","1") = "6"
    & skf21("5","7","6","4","3","3","7","1") = "6"
    & skf21("5","7","6","4","3","4","1","1") = "6"
    & skf21("5","7","6","4","3","4","2","1") = "6"
    & skf21("5","7","6","4","3","4","3","1") = "6"
    & skf21("5","7","6","4","3","4","4","1") = "6"
    & skf21("5","7","6","4","3","4","5","1") = "6"
    & skf21("5","7","6","4","3","4","6","1") = "6"
    & skf21("5","7","6","4","3","4","7","1") = "6"
    & skf21("5","7","6","4","3","5","1","1") = "6"
    & skf21("5","7","6","4","3","5","2","1") = "6"
    & skf21("5","7","6","4","3","5","3","1") = "6"
    & skf21("5","7","6","4","3","5","4","1") = "6"
    & skf21("5","7","6","4","3","5","5","1") = "6"
    & skf21("5","7","6","4","3","5","6","1") = "6"
    & skf21("5","7","6","4","3","5","7","1") = "6"
    & skf21("5","7","6","4","3","6","1","1") = "6"
    & skf21("5","7","6","4","3","6","2","1") = "6"
    & skf21("5","7","6","4","3","6","3","1") = "6"
    & skf21("5","7","6","4","3","6","4","1") = "6"
    & skf21("5","7","6","4","3","6","5","1") = "6"
    & skf21("5","7","6","4","3","6","6","1") = "6"
    & skf21("5","7","6","4","3","6","7","1") = "6"
    & skf21("5","7","6","4","3","7","1","1") = "6"
    & skf21("5","7","6","4","3","7","2","1") = "6"
    & skf21("5","7","6","4","3","7","3","1") = "6"
    & skf21("5","7","6","4","3","7","4","1") = "6"
    & skf21("5","7","6","4","3","7","5","1") = "6"
    & skf21("5","7","6","4","3","7","6","1") = "6"
    & skf21("5","7","6","4","3","7","7","1") = "6"
    & skf21("5","7","6","4","4","1","1","1") = "6"
    & skf21("5","7","6","4","4","1","2","1") = "6"
    & skf21("5","7","6","4","4","1","3","1") = "6"
    & skf21("5","7","6","4","4","1","4","1") = "6"
    & skf21("5","7","6","4","4","1","5","1") = "6"
    & skf21("5","7","6","4","4","1","6","1") = "6"
    & skf21("5","7","6","4","4","1","7","1") = "6"
    & skf21("5","7","6","4","4","2","1","1") = "6"
    & skf21("5","7","6","4","4","2","2","1") = "6"
    & skf21("5","7","6","4","4","2","3","1") = "6"
    & skf21("5","7","6","4","4","2","4","1") = "6"
    & skf21("5","7","6","4","4","2","5","1") = "6"
    & skf21("5","7","6","4","4","2","6","1") = "6"
    & skf21("5","7","6","4","4","2","7","1") = "6"
    & skf21("5","7","6","4","4","3","1","1") = "6"
    & skf21("5","7","6","4","4","3","2","1") = "6"
    & skf21("5","7","6","4","4","3","3","1") = "6"
    & skf21("5","7","6","4","4","3","4","1") = "6"
    & skf21("5","7","6","4","4","3","5","1") = "6"
    & skf21("5","7","6","4","4","3","6","1") = "6"
    & skf21("5","7","6","4","4","3","7","1") = "6"
    & skf21("5","7","6","4","4","4","1","1") = "6"
    & skf21("5","7","6","4","4","4","2","1") = "6"
    & skf21("5","7","6","4","4","4","3","1") = "6"
    & skf21("5","7","6","4","4","4","4","1") = "6"
    & skf21("5","7","6","4","4","4","5","1") = "6"
    & skf21("5","7","6","4","4","4","6","1") = "6"
    & skf21("5","7","6","4","4","4","7","1") = "6"
    & skf21("5","7","6","4","4","5","1","1") = "6"
    & skf21("5","7","6","4","4","5","2","1") = "6"
    & skf21("5","7","6","4","4","5","3","1") = "6"
    & skf21("5","7","6","4","4","5","4","1") = "6"
    & skf21("5","7","6","4","4","5","5","1") = "6"
    & skf21("5","7","6","4","4","5","6","1") = "6"
    & skf21("5","7","6","4","4","5","7","1") = "6"
    & skf21("5","7","6","4","4","6","1","1") = "6"
    & skf21("5","7","6","4","4","6","2","1") = "6"
    & skf21("5","7","6","4","4","6","3","1") = "6"
    & skf21("5","7","6","4","4","6","4","1") = "6"
    & skf21("5","7","6","4","4","6","5","1") = "6"
    & skf21("5","7","6","4","4","6","6","1") = "6"
    & skf21("5","7","6","4","4","6","7","1") = "6"
    & skf21("5","7","6","4","4","7","1","1") = "6"
    & skf21("5","7","6","4","4","7","2","1") = "6"
    & skf21("5","7","6","4","4","7","3","1") = "6"
    & skf21("5","7","6","4","4","7","4","1") = "6"
    & skf21("5","7","6","4","4","7","5","1") = "6"
    & skf21("5","7","6","4","4","7","6","1") = "6"
    & skf21("5","7","6","4","4","7","7","1") = "6"
    & skf21("5","7","6","4","5","1","1","1") = "6"
    & skf21("5","7","6","4","5","1","2","1") = "6"
    & skf21("5","7","6","4","5","1","3","1") = "6"
    & skf21("5","7","6","4","5","1","4","1") = "6"
    & skf21("5","7","6","4","5","1","5","1") = "6"
    & skf21("5","7","6","4","5","1","6","1") = "6"
    & skf21("5","7","6","4","5","1","7","1") = "6"
    & skf21("5","7","6","4","5","2","1","1") = "6"
    & skf21("5","7","6","4","5","2","2","1") = "6"
    & skf21("5","7","6","4","5","2","3","1") = "6"
    & skf21("5","7","6","4","5","2","4","1") = "6"
    & skf21("5","7","6","4","5","2","5","1") = "6"
    & skf21("5","7","6","4","5","2","6","1") = "6"
    & skf21("5","7","6","4","5","2","7","1") = "6"
    & skf21("5","7","6","4","5","3","1","1") = "6"
    & skf21("5","7","6","4","5","3","2","1") = "6"
    & skf21("5","7","6","4","5","3","3","1") = "6"
    & skf21("5","7","6","4","5","3","4","1") = "6"
    & skf21("5","7","6","4","5","3","5","1") = "6"
    & skf21("5","7","6","4","5","3","6","1") = "6"
    & skf21("5","7","6","4","5","3","7","1") = "6"
    & skf21("5","7","6","4","5","4","1","1") = "6"
    & skf21("5","7","6","4","5","4","2","1") = "6"
    & skf21("5","7","6","4","5","4","3","1") = "6"
    & skf21("5","7","6","4","5","4","4","1") = "6"
    & skf21("5","7","6","4","5","4","5","1") = "6"
    & skf21("5","7","6","4","5","4","6","1") = "6"
    & skf21("5","7","6","4","5","4","7","1") = "6"
    & skf21("5","7","6","4","5","5","1","1") = "6"
    & skf21("5","7","6","4","5","5","2","1") = "6"
    & skf21("5","7","6","4","5","5","3","1") = "6"
    & skf21("5","7","6","4","5","5","4","1") = "6"
    & skf21("5","7","6","4","5","5","5","1") = "6"
    & skf21("5","7","6","4","5","5","6","1") = "6"
    & skf21("5","7","6","4","5","5","7","1") = "6"
    & skf21("5","7","6","4","5","6","1","1") = "6"
    & skf21("5","7","6","4","5","6","2","1") = "6"
    & skf21("5","7","6","4","5","6","3","1") = "6"
    & skf21("5","7","6","4","5","6","4","1") = "6"
    & skf21("5","7","6","4","5","6","5","1") = "6"
    & skf21("5","7","6","4","5","6","6","1") = "6"
    & skf21("5","7","6","4","5","6","7","1") = "6"
    & skf21("5","7","6","4","5","7","1","1") = "6"
    & skf21("5","7","6","4","5","7","2","1") = "6"
    & skf21("5","7","6","4","5","7","3","1") = "6"
    & skf21("5","7","6","4","5","7","4","1") = "6"
    & skf21("5","7","6","4","5","7","5","1") = "6"
    & skf21("5","7","6","4","5","7","6","1") = "6"
    & skf21("5","7","6","4","5","7","7","1") = "6"
    & skf21("5","7","6","4","6","1","1","1") = "6"
    & skf21("5","7","6","4","6","1","2","1") = "6"
    & skf21("5","7","6","4","6","1","3","1") = "6"
    & skf21("5","7","6","4","6","1","4","1") = "6"
    & skf21("5","7","6","4","6","1","5","1") = "6"
    & skf21("5","7","6","4","6","1","6","1") = "6"
    & skf21("5","7","6","4","6","1","7","1") = "6"
    & skf21("5","7","6","4","6","2","1","1") = "6"
    & skf21("5","7","6","4","6","2","2","1") = "6"
    & skf21("5","7","6","4","6","2","3","1") = "6"
    & skf21("5","7","6","4","6","2","4","1") = "6"
    & skf21("5","7","6","4","6","2","5","1") = "6"
    & skf21("5","7","6","4","6","2","6","1") = "6"
    & skf21("5","7","6","4","6","2","7","1") = "6"
    & skf21("5","7","6","4","6","3","1","1") = "6"
    & skf21("5","7","6","4","6","3","2","1") = "6"
    & skf21("5","7","6","4","6","3","3","1") = "6"
    & skf21("5","7","6","4","6","3","4","1") = "6"
    & skf21("5","7","6","4","6","3","5","1") = "6"
    & skf21("5","7","6","4","6","3","6","1") = "6"
    & skf21("5","7","6","4","6","3","7","1") = "6"
    & skf21("5","7","6","4","6","4","1","1") = "6"
    & skf21("5","7","6","4","6","4","2","1") = "6"
    & skf21("5","7","6","4","6","4","3","1") = "6"
    & skf21("5","7","6","4","6","4","4","1") = "6"
    & skf21("5","7","6","4","6","4","5","1") = "6"
    & skf21("5","7","6","4","6","4","6","1") = "6"
    & skf21("5","7","6","4","6","4","7","1") = "6"
    & skf21("5","7","6","4","6","5","1","1") = "6"
    & skf21("5","7","6","4","6","5","2","1") = "6"
    & skf21("5","7","6","4","6","5","3","1") = "6"
    & skf21("5","7","6","4","6","5","4","1") = "6"
    & skf21("5","7","6","4","6","5","5","1") = "6"
    & skf21("5","7","6","4","6","5","6","1") = "6"
    & skf21("5","7","6","4","6","5","7","1") = "6"
    & skf21("5","7","6","4","6","6","1","1") = "6"
    & skf21("5","7","6","4","6","6","2","1") = "6"
    & skf21("5","7","6","4","6","6","3","1") = "6"
    & skf21("5","7","6","4","6","6","4","1") = "6"
    & skf21("5","7","6","4","6","6","5","1") = "6"
    & skf21("5","7","6","4","6","6","6","1") = "6"
    & skf21("5","7","6","4","6","6","7","1") = "6"
    & skf21("5","7","6","4","6","7","1","1") = "6"
    & skf21("5","7","6","4","6","7","2","1") = "6"
    & skf21("5","7","6","4","6","7","3","1") = "6"
    & skf21("5","7","6","4","6","7","4","1") = "6"
    & skf21("5","7","6","4","6","7","5","1") = "6"
    & skf21("5","7","6","4","6","7","6","1") = "6"
    & skf21("5","7","6","4","6","7","7","1") = "6"
    & skf21("5","7","6","4","7","1","1","1") = "6"
    & skf21("5","7","6","4","7","1","2","1") = "6"
    & skf21("5","7","6","4","7","1","3","1") = "6"
    & skf21("5","7","6","4","7","1","4","1") = "6"
    & skf21("5","7","6","4","7","1","5","1") = "6"
    & skf21("5","7","6","4","7","1","6","1") = "6"
    & skf21("5","7","6","4","7","1","7","1") = "6"
    & skf21("5","7","6","4","7","2","1","1") = "6"
    & skf21("5","7","6","4","7","2","2","1") = "6"
    & skf21("5","7","6","4","7","2","3","1") = "6"
    & skf21("5","7","6","4","7","2","4","1") = "6"
    & skf21("5","7","6","4","7","2","5","1") = "6"
    & skf21("5","7","6","4","7","2","6","1") = "6"
    & skf21("5","7","6","4","7","2","7","1") = "6"
    & skf21("5","7","6","4","7","3","1","1") = "6"
    & skf21("5","7","6","4","7","3","2","1") = "6"
    & skf21("5","7","6","4","7","3","3","1") = "6"
    & skf21("5","7","6","4","7","3","4","1") = "6"
    & skf21("5","7","6","4","7","3","5","1") = "6"
    & skf21("5","7","6","4","7","3","6","1") = "6"
    & skf21("5","7","6","4","7","3","7","1") = "6"
    & skf21("5","7","6","4","7","4","1","1") = "6"
    & skf21("5","7","6","4","7","4","2","1") = "6"
    & skf21("5","7","6","4","7","4","3","1") = "6"
    & skf21("5","7","6","4","7","4","4","1") = "6"
    & skf21("5","7","6","4","7","4","5","1") = "6"
    & skf21("5","7","6","4","7","4","6","1") = "6"
    & skf21("5","7","6","4","7","4","7","1") = "6"
    & skf21("5","7","6","4","7","5","1","1") = "6"
    & skf21("5","7","6","4","7","5","2","1") = "6"
    & skf21("5","7","6","4","7","5","3","1") = "6"
    & skf21("5","7","6","4","7","5","4","1") = "6"
    & skf21("5","7","6","4","7","5","5","1") = "6"
    & skf21("5","7","6","4","7","5","6","1") = "6"
    & skf21("5","7","6","4","7","5","7","1") = "6"
    & skf21("5","7","6","4","7","6","1","1") = "6"
    & skf21("5","7","6","4","7","6","2","1") = "6"
    & skf21("5","7","6","4","7","6","3","1") = "6"
    & skf21("5","7","6","4","7","6","4","1") = "6"
    & skf21("5","7","6","4","7","6","5","1") = "6"
    & skf21("5","7","6","4","7","6","6","1") = "6"
    & skf21("5","7","6","4","7","6","7","1") = "6"
    & skf21("5","7","6","4","7","7","1","1") = "6"
    & skf21("5","7","6","4","7","7","2","1") = "6"
    & skf21("5","7","6","4","7","7","3","1") = "6"
    & skf21("5","7","6","4","7","7","4","1") = "6"
    & skf21("5","7","6","4","7","7","5","1") = "6"
    & skf21("5","7","6","4","7","7","6","1") = "6"
    & skf21("5","7","6","4","7","7","7","1") = "6"
    & skf21("5","7","6","5","1","1","1","1") = "6"
    & skf21("5","7","6","5","1","1","2","1") = "6"
    & skf21("5","7","6","5","1","1","3","1") = "6"
    & skf21("5","7","6","5","1","1","4","1") = "6"
    & skf21("5","7","6","5","1","1","5","1") = "6"
    & skf21("5","7","6","5","1","1","6","1") = "6"
    & skf21("5","7","6","5","1","1","7","1") = "6"
    & skf21("5","7","6","5","1","2","1","1") = "6"
    & skf21("5","7","6","5","1","2","2","1") = "6"
    & skf21("5","7","6","5","1","2","3","1") = "6"
    & skf21("5","7","6","5","1","2","4","1") = "6"
    & skf21("5","7","6","5","1","2","5","1") = "6"
    & skf21("5","7","6","5","1","2","6","1") = "6"
    & skf21("5","7","6","5","1","2","7","1") = "6"
    & skf21("5","7","6","5","1","3","1","1") = "6"
    & skf21("5","7","6","5","1","3","2","1") = "6"
    & skf21("5","7","6","5","1","3","3","1") = "6"
    & skf21("5","7","6","5","1","3","4","1") = "6"
    & skf21("5","7","6","5","1","3","5","1") = "6"
    & skf21("5","7","6","5","1","3","6","1") = "6"
    & skf21("5","7","6","5","1","3","7","1") = "6"
    & skf21("5","7","6","5","1","4","1","1") = "6"
    & skf21("5","7","6","5","1","4","2","1") = "6"
    & skf21("5","7","6","5","1","4","3","1") = "6"
    & skf21("5","7","6","5","1","4","4","1") = "6"
    & skf21("5","7","6","5","1","4","5","1") = "6"
    & skf21("5","7","6","5","1","4","6","1") = "6"
    & skf21("5","7","6","5","1","4","7","1") = "6"
    & skf21("5","7","6","5","1","5","1","1") = "6"
    & skf21("5","7","6","5","1","5","2","1") = "6"
    & skf21("5","7","6","5","1","5","3","1") = "6"
    & skf21("5","7","6","5","1","5","4","1") = "6"
    & skf21("5","7","6","5","1","5","5","1") = "6"
    & skf21("5","7","6","5","1","5","6","1") = "6"
    & skf21("5","7","6","5","1","5","7","1") = "6"
    & skf21("5","7","6","5","1","6","1","1") = "6"
    & skf21("5","7","6","5","1","6","2","1") = "6"
    & skf21("5","7","6","5","1","6","3","1") = "6"
    & skf21("5","7","6","5","1","6","4","1") = "6"
    & skf21("5","7","6","5","1","6","5","1") = "6"
    & skf21("5","7","6","5","1","6","6","1") = "6"
    & skf21("5","7","6","5","1","6","7","1") = "6"
    & skf21("5","7","6","5","1","7","1","1") = "6"
    & skf21("5","7","6","5","1","7","2","1") = "6"
    & skf21("5","7","6","5","1","7","3","1") = "6"
    & skf21("5","7","6","5","1","7","4","1") = "6"
    & skf21("5","7","6","5","1","7","5","1") = "6"
    & skf21("5","7","6","5","1","7","6","1") = "6"
    & skf21("5","7","6","5","1","7","7","1") = "6"
    & skf21("5","7","6","5","2","1","1","1") = "6"
    & skf21("5","7","6","5","2","1","2","1") = "6"
    & skf21("5","7","6","5","2","1","3","1") = "6"
    & skf21("5","7","6","5","2","1","4","1") = "6"
    & skf21("5","7","6","5","2","1","5","1") = "6"
    & skf21("5","7","6","5","2","1","6","1") = "6"
    & skf21("5","7","6","5","2","1","7","1") = "6"
    & skf21("5","7","6","5","2","2","1","1") = "6"
    & skf21("5","7","6","5","2","2","2","1") = "6"
    & skf21("5","7","6","5","2","2","3","1") = "6"
    & skf21("5","7","6","5","2","2","4","1") = "6"
    & skf21("5","7","6","5","2","2","5","1") = "6"
    & skf21("5","7","6","5","2","2","6","1") = "6"
    & skf21("5","7","6","5","2","2","7","1") = "6"
    & skf21("5","7","6","5","2","3","1","1") = "6"
    & skf21("5","7","6","5","2","3","2","1") = "6"
    & skf21("5","7","6","5","2","3","3","1") = "6"
    & skf21("5","7","6","5","2","3","4","1") = "6"
    & skf21("5","7","6","5","2","3","5","1") = "6"
    & skf21("5","7","6","5","2","3","6","1") = "6"
    & skf21("5","7","6","5","2","3","7","1") = "6"
    & skf21("5","7","6","5","2","4","1","1") = "6"
    & skf21("5","7","6","5","2","4","2","1") = "6"
    & skf21("5","7","6","5","2","4","3","1") = "6"
    & skf21("5","7","6","5","2","4","4","1") = "6"
    & skf21("5","7","6","5","2","4","5","1") = "6"
    & skf21("5","7","6","5","2","4","6","1") = "6"
    & skf21("5","7","6","5","2","4","7","1") = "6"
    & skf21("5","7","6","5","2","5","1","1") = "6"
    & skf21("5","7","6","5","2","5","2","1") = "6"
    & skf21("5","7","6","5","2","5","3","1") = "6"
    & skf21("5","7","6","5","2","5","4","1") = "6"
    & skf21("5","7","6","5","2","5","5","1") = "6"
    & skf21("5","7","6","5","2","5","6","1") = "6"
    & skf21("5","7","6","5","2","5","7","1") = "6"
    & skf21("5","7","6","5","2","6","1","1") = "6"
    & skf21("5","7","6","5","2","6","2","1") = "6"
    & skf21("5","7","6","5","2","6","3","1") = "6"
    & skf21("5","7","6","5","2","6","4","1") = "6"
    & skf21("5","7","6","5","2","6","5","1") = "6"
    & skf21("5","7","6","5","2","6","6","1") = "6"
    & skf21("5","7","6","5","2","6","7","1") = "6"
    & skf21("5","7","6","5","2","7","1","1") = "6"
    & skf21("5","7","6","5","2","7","2","1") = "6"
    & skf21("5","7","6","5","2","7","3","1") = "6"
    & skf21("5","7","6","5","2","7","4","1") = "6"
    & skf21("5","7","6","5","2","7","5","1") = "6"
    & skf21("5","7","6","5","2","7","6","1") = "6"
    & skf21("5","7","6","5","2","7","7","1") = "6"
    & skf21("5","7","6","5","3","1","1","1") = "6"
    & skf21("5","7","6","5","3","1","2","1") = "6"
    & skf21("5","7","6","5","3","1","3","1") = "6"
    & skf21("5","7","6","5","3","1","4","1") = "6"
    & skf21("5","7","6","5","3","1","5","1") = "6"
    & skf21("5","7","6","5","3","1","6","1") = "6"
    & skf21("5","7","6","5","3","1","7","1") = "6"
    & skf21("5","7","6","5","3","2","1","1") = "6"
    & skf21("5","7","6","5","3","2","2","1") = "6"
    & skf21("5","7","6","5","3","2","3","1") = "6"
    & skf21("5","7","6","5","3","2","4","1") = "6"
    & skf21("5","7","6","5","3","2","5","1") = "6"
    & skf21("5","7","6","5","3","2","6","1") = "6"
    & skf21("5","7","6","5","3","2","7","1") = "6"
    & skf21("5","7","6","5","3","3","1","1") = "6"
    & skf21("5","7","6","5","3","3","2","1") = "6"
    & skf21("5","7","6","5","3","3","3","1") = "6"
    & skf21("5","7","6","5","3","3","4","1") = "6"
    & skf21("5","7","6","5","3","3","5","1") = "6"
    & skf21("5","7","6","5","3","3","6","1") = "6"
    & skf21("5","7","6","5","3","3","7","1") = "6"
    & skf21("5","7","6","5","3","4","1","1") = "6"
    & skf21("5","7","6","5","3","4","2","1") = "6"
    & skf21("5","7","6","5","3","4","3","1") = "6"
    & skf21("5","7","6","5","3","4","4","1") = "6"
    & skf21("5","7","6","5","3","4","5","1") = "6"
    & skf21("5","7","6","5","3","4","6","1") = "6"
    & skf21("5","7","6","5","3","4","7","1") = "6"
    & skf21("5","7","6","5","3","5","1","1") = "6"
    & skf21("5","7","6","5","3","5","2","1") = "6"
    & skf21("5","7","6","5","3","5","3","1") = "6"
    & skf21("5","7","6","5","3","5","4","1") = "6"
    & skf21("5","7","6","5","3","5","5","1") = "6"
    & skf21("5","7","6","5","3","5","6","1") = "6"
    & skf21("5","7","6","5","3","5","7","1") = "6"
    & skf21("5","7","6","5","3","6","1","1") = "6"
    & skf21("5","7","6","5","3","6","2","1") = "6"
    & skf21("5","7","6","5","3","6","3","1") = "6"
    & skf21("5","7","6","5","3","6","4","1") = "6"
    & skf21("5","7","6","5","3","6","5","1") = "6"
    & skf21("5","7","6","5","3","6","6","1") = "6"
    & skf21("5","7","6","5","3","6","7","1") = "6"
    & skf21("5","7","6","5","3","7","1","1") = "6"
    & skf21("5","7","6","5","3","7","2","1") = "6"
    & skf21("5","7","6","5","3","7","3","1") = "6"
    & skf21("5","7","6","5","3","7","4","1") = "6"
    & skf21("5","7","6","5","3","7","5","1") = "6"
    & skf21("5","7","6","5","3","7","6","1") = "6"
    & skf21("5","7","6","5","3","7","7","1") = "6"
    & skf21("5","7","6","5","4","1","1","1") = "6"
    & skf21("5","7","6","5","4","1","2","1") = "6"
    & skf21("5","7","6","5","4","1","3","1") = "6"
    & skf21("5","7","6","5","4","1","4","1") = "6"
    & skf21("5","7","6","5","4","1","5","1") = "6"
    & skf21("5","7","6","5","4","1","6","1") = "6"
    & skf21("5","7","6","5","4","1","7","1") = "6"
    & skf21("5","7","6","5","4","2","1","1") = "6"
    & skf21("5","7","6","5","4","2","2","1") = "6"
    & skf21("5","7","6","5","4","2","3","1") = "6"
    & skf21("5","7","6","5","4","2","4","1") = "6"
    & skf21("5","7","6","5","4","2","5","1") = "6"
    & skf21("5","7","6","5","4","2","6","1") = "6"
    & skf21("5","7","6","5","4","2","7","1") = "6"
    & skf21("5","7","6","5","4","3","1","1") = "6"
    & skf21("5","7","6","5","4","3","2","1") = "6"
    & skf21("5","7","6","5","4","3","3","1") = "6"
    & skf21("5","7","6","5","4","3","4","1") = "6"
    & skf21("5","7","6","5","4","3","5","1") = "6"
    & skf21("5","7","6","5","4","3","6","1") = "6"
    & skf21("5","7","6","5","4","3","7","1") = "6"
    & skf21("5","7","6","5","4","4","1","1") = "6"
    & skf21("5","7","6","5","4","4","2","1") = "6"
    & skf21("5","7","6","5","4","4","3","1") = "6"
    & skf21("5","7","6","5","4","4","4","1") = "6"
    & skf21("5","7","6","5","4","4","5","1") = "6"
    & skf21("5","7","6","5","4","4","6","1") = "6"
    & skf21("5","7","6","5","4","4","7","1") = "6"
    & skf21("5","7","6","5","4","5","1","1") = "6"
    & skf21("5","7","6","5","4","5","2","1") = "6"
    & skf21("5","7","6","5","4","5","3","1") = "6"
    & skf21("5","7","6","5","4","5","4","1") = "6"
    & skf21("5","7","6","5","4","5","5","1") = "6"
    & skf21("5","7","6","5","4","5","6","1") = "6"
    & skf21("5","7","6","5","4","5","7","1") = "6"
    & skf21("5","7","6","5","4","6","1","1") = "6"
    & skf21("5","7","6","5","4","6","2","1") = "6"
    & skf21("5","7","6","5","4","6","3","1") = "6"
    & skf21("5","7","6","5","4","6","4","1") = "6"
    & skf21("5","7","6","5","4","6","5","1") = "6"
    & skf21("5","7","6","5","4","6","6","1") = "6"
    & skf21("5","7","6","5","4","6","7","1") = "6"
    & skf21("5","7","6","5","4","7","1","1") = "6"
    & skf21("5","7","6","5","4","7","2","1") = "6"
    & skf21("5","7","6","5","4","7","3","1") = "6"
    & skf21("5","7","6","5","4","7","4","1") = "6"
    & skf21("5","7","6","5","4","7","5","1") = "6"
    & skf21("5","7","6","5","4","7","6","1") = "6"
    & skf21("5","7","6","5","4","7","7","1") = "6"
    & skf21("5","7","6","5","5","1","1","1") = "6"
    & skf21("5","7","6","5","5","1","2","1") = "6"
    & skf21("5","7","6","5","5","1","3","1") = "6"
    & skf21("5","7","6","5","5","1","4","1") = "6"
    & skf21("5","7","6","5","5","1","5","1") = "6"
    & skf21("5","7","6","5","5","1","6","1") = "6"
    & skf21("5","7","6","5","5","1","7","1") = "6"
    & skf21("5","7","6","5","5","2","1","1") = "6"
    & skf21("5","7","6","5","5","2","2","1") = "6"
    & skf21("5","7","6","5","5","2","3","1") = "6"
    & skf21("5","7","6","5","5","2","4","1") = "6"
    & skf21("5","7","6","5","5","2","5","1") = "6"
    & skf21("5","7","6","5","5","2","6","1") = "6"
    & skf21("5","7","6","5","5","2","7","1") = "6"
    & skf21("5","7","6","5","5","3","1","1") = "6"
    & skf21("5","7","6","5","5","3","2","1") = "6"
    & skf21("5","7","6","5","5","3","3","1") = "6"
    & skf21("5","7","6","5","5","3","4","1") = "6"
    & skf21("5","7","6","5","5","3","5","1") = "6"
    & skf21("5","7","6","5","5","3","6","1") = "6"
    & skf21("5","7","6","5","5","3","7","1") = "6"
    & skf21("5","7","6","5","5","4","1","1") = "6"
    & skf21("5","7","6","5","5","4","2","1") = "6"
    & skf21("5","7","6","5","5","4","3","1") = "6"
    & skf21("5","7","6","5","5","4","4","1") = "6"
    & skf21("5","7","6","5","5","4","5","1") = "6"
    & skf21("5","7","6","5","5","4","6","1") = "6"
    & skf21("5","7","6","5","5","4","7","1") = "6"
    & skf21("5","7","6","5","5","5","1","1") = "6"
    & skf21("5","7","6","5","5","5","2","1") = "6"
    & skf21("5","7","6","5","5","5","3","1") = "6"
    & skf21("5","7","6","5","5","5","4","1") = "6"
    & skf21("5","7","6","5","5","5","5","1") = "6"
    & skf21("5","7","6","5","5","5","6","1") = "6"
    & skf21("5","7","6","5","5","5","7","1") = "6"
    & skf21("5","7","6","5","5","6","1","1") = "6"
    & skf21("5","7","6","5","5","6","2","1") = "6"
    & skf21("5","7","6","5","5","6","3","1") = "6"
    & skf21("5","7","6","5","5","6","4","1") = "6"
    & skf21("5","7","6","5","5","6","5","1") = "6"
    & skf21("5","7","6","5","5","6","6","1") = "6"
    & skf21("5","7","6","5","5","6","7","1") = "6"
    & skf21("5","7","6","5","5","7","1","1") = "6"
    & skf21("5","7","6","5","5","7","2","1") = "6"
    & skf21("5","7","6","5","5","7","3","1") = "6"
    & skf21("5","7","6","5","5","7","4","1") = "6"
    & skf21("5","7","6","5","5","7","5","1") = "6"
    & skf21("5","7","6","5","5","7","6","1") = "6"
    & skf21("5","7","6","5","5","7","7","1") = "6"
    & skf21("5","7","6","5","6","1","1","1") = "6"
    & skf21("5","7","6","5","6","1","2","1") = "6"
    & skf21("5","7","6","5","6","1","3","1") = "6"
    & skf21("5","7","6","5","6","1","4","1") = "6"
    & skf21("5","7","6","5","6","1","5","1") = "6"
    & skf21("5","7","6","5","6","1","6","1") = "6"
    & skf21("5","7","6","5","6","1","7","1") = "6"
    & skf21("5","7","6","5","6","2","1","1") = "6"
    & skf21("5","7","6","5","6","2","2","1") = "6"
    & skf21("5","7","6","5","6","2","3","1") = "6"
    & skf21("5","7","6","5","6","2","4","1") = "6"
    & skf21("5","7","6","5","6","2","5","1") = "6"
    & skf21("5","7","6","5","6","2","6","1") = "6"
    & skf21("5","7","6","5","6","2","7","1") = "6"
    & skf21("5","7","6","5","6","3","1","1") = "6"
    & skf21("5","7","6","5","6","3","2","1") = "6"
    & skf21("5","7","6","5","6","3","3","1") = "6"
    & skf21("5","7","6","5","6","3","4","1") = "6"
    & skf21("5","7","6","5","6","3","5","1") = "6"
    & skf21("5","7","6","5","6","3","6","1") = "6"
    & skf21("5","7","6","5","6","3","7","1") = "6"
    & skf21("5","7","6","5","6","4","1","1") = "6"
    & skf21("5","7","6","5","6","4","2","1") = "6"
    & skf21("5","7","6","5","6","4","3","1") = "6"
    & skf21("5","7","6","5","6","4","4","1") = "6"
    & skf21("5","7","6","5","6","4","5","1") = "6"
    & skf21("5","7","6","5","6","4","6","1") = "6"
    & skf21("5","7","6","5","6","4","7","1") = "6"
    & skf21("5","7","6","5","6","5","1","1") = "6"
    & skf21("5","7","6","5","6","5","2","1") = "6"
    & skf21("5","7","6","5","6","5","3","1") = "6"
    & skf21("5","7","6","5","6","5","4","1") = "6"
    & skf21("5","7","6","5","6","5","5","1") = "6"
    & skf21("5","7","6","5","6","5","6","1") = "6"
    & skf21("5","7","6","5","6","5","7","1") = "6"
    & skf21("5","7","6","5","6","6","1","1") = "6"
    & skf21("5","7","6","5","6","6","2","1") = "6"
    & skf21("5","7","6","5","6","6","3","1") = "6"
    & skf21("5","7","6","5","6","6","4","1") = "6"
    & skf21("5","7","6","5","6","6","5","1") = "6"
    & skf21("5","7","6","5","6","6","6","1") = "6"
    & skf21("5","7","6","5","6","6","7","1") = "6"
    & skf21("5","7","6","5","6","7","1","1") = "6"
    & skf21("5","7","6","5","6","7","2","1") = "6"
    & skf21("5","7","6","5","6","7","3","1") = "6"
    & skf21("5","7","6","5","6","7","4","1") = "6"
    & skf21("5","7","6","5","6","7","5","1") = "6"
    & skf21("5","7","6","5","6","7","6","1") = "6"
    & skf21("5","7","6","5","6","7","7","1") = "6"
    & skf21("5","7","6","5","7","1","1","1") = "6"
    & skf21("5","7","6","5","7","1","2","1") = "6"
    & skf21("5","7","6","5","7","1","3","1") = "6"
    & skf21("5","7","6","5","7","1","4","1") = "6"
    & skf21("5","7","6","5","7","1","5","1") = "6"
    & skf21("5","7","6","5","7","1","6","1") = "6"
    & skf21("5","7","6","5","7","1","7","1") = "6"
    & skf21("5","7","6","5","7","2","1","1") = "6"
    & skf21("5","7","6","5","7","2","2","1") = "6"
    & skf21("5","7","6","5","7","2","3","1") = "6"
    & skf21("5","7","6","5","7","2","4","1") = "6"
    & skf21("5","7","6","5","7","2","5","1") = "6"
    & skf21("5","7","6","5","7","2","6","1") = "6"
    & skf21("5","7","6","5","7","2","7","1") = "6"
    & skf21("5","7","6","5","7","3","1","1") = "6"
    & skf21("5","7","6","5","7","3","2","1") = "6"
    & skf21("5","7","6","5","7","3","3","1") = "6"
    & skf21("5","7","6","5","7","3","4","1") = "6"
    & skf21("5","7","6","5","7","3","5","1") = "6"
    & skf21("5","7","6","5","7","3","6","1") = "6"
    & skf21("5","7","6","5","7","3","7","1") = "6"
    & skf21("5","7","6","5","7","4","1","1") = "6"
    & skf21("5","7","6","5","7","4","2","1") = "6"
    & skf21("5","7","6","5","7","4","3","1") = "6"
    & skf21("5","7","6","5","7","4","4","1") = "6"
    & skf21("5","7","6","5","7","4","5","1") = "6"
    & skf21("5","7","6","5","7","4","6","1") = "6"
    & skf21("5","7","6","5","7","4","7","1") = "6"
    & skf21("5","7","6","5","7","5","1","1") = "6"
    & skf21("5","7","6","5","7","5","2","1") = "6"
    & skf21("5","7","6","5","7","5","3","1") = "6"
    & skf21("5","7","6","5","7","5","4","1") = "6"
    & skf21("5","7","6","5","7","5","5","1") = "6"
    & skf21("5","7","6","5","7","5","6","1") = "6"
    & skf21("5","7","6","5","7","5","7","1") = "6"
    & skf21("5","7","6","5","7","6","1","1") = "6"
    & skf21("5","7","6","5","7","6","2","1") = "6"
    & skf21("5","7","6","5","7","6","3","1") = "6"
    & skf21("5","7","6","5","7","6","4","1") = "6"
    & skf21("5","7","6","5","7","6","5","1") = "6"
    & skf21("5","7","6","5","7","6","6","1") = "6"
    & skf21("5","7","6","5","7","6","7","1") = "6"
    & skf21("5","7","6","5","7","7","1","1") = "6"
    & skf21("5","7","6","5","7","7","2","1") = "6"
    & skf21("5","7","6","5","7","7","3","1") = "6"
    & skf21("5","7","6","5","7","7","4","1") = "6"
    & skf21("5","7","6","5","7","7","5","1") = "6"
    & skf21("5","7","6","5","7","7","6","1") = "6"
    & skf21("5","7","6","5","7","7","7","1") = "6"
    & skf21("5","7","6","6","1","1","1","1") = "6"
    & skf21("5","7","6","6","1","1","2","1") = "6"
    & skf21("5","7","6","6","1","1","3","1") = "6"
    & skf21("5","7","6","6","1","1","4","1") = "6"
    & skf21("5","7","6","6","1","1","5","1") = "6"
    & skf21("5","7","6","6","1","1","6","1") = "6"
    & skf21("5","7","6","6","1","1","7","1") = "6"
    & skf21("5","7","6","6","1","2","1","1") = "6"
    & skf21("5","7","6","6","1","2","2","1") = "6"
    & skf21("5","7","6","6","1","2","3","1") = "6"
    & skf21("5","7","6","6","1","2","4","1") = "6"
    & skf21("5","7","6","6","1","2","5","1") = "6"
    & skf21("5","7","6","6","1","2","6","1") = "6"
    & skf21("5","7","6","6","1","2","7","1") = "6"
    & skf21("5","7","6","6","1","3","1","1") = "6"
    & skf21("5","7","6","6","1","3","2","1") = "6"
    & skf21("5","7","6","6","1","3","3","1") = "6"
    & skf21("5","7","6","6","1","3","4","1") = "6"
    & skf21("5","7","6","6","1","3","5","1") = "6"
    & skf21("5","7","6","6","1","3","6","1") = "6"
    & skf21("5","7","6","6","1","3","7","1") = "6"
    & skf21("5","7","6","6","1","4","1","1") = "6"
    & skf21("5","7","6","6","1","4","2","1") = "6"
    & skf21("5","7","6","6","1","4","3","1") = "6"
    & skf21("5","7","6","6","1","4","4","1") = "6"
    & skf21("5","7","6","6","1","4","5","1") = "6"
    & skf21("5","7","6","6","1","4","6","1") = "6"
    & skf21("5","7","6","6","1","4","7","1") = "6"
    & skf21("5","7","6","6","1","5","1","1") = "6"
    & skf21("5","7","6","6","1","5","2","1") = "6"
    & skf21("5","7","6","6","1","5","3","1") = "6"
    & skf21("5","7","6","6","1","5","4","1") = "6"
    & skf21("5","7","6","6","1","5","5","1") = "6"
    & skf21("5","7","6","6","1","5","6","1") = "6"
    & skf21("5","7","6","6","1","5","7","1") = "6"
    & skf21("5","7","6","6","1","6","1","1") = "6"
    & skf21("5","7","6","6","1","6","2","1") = "6"
    & skf21("5","7","6","6","1","6","3","1") = "6"
    & skf21("5","7","6","6","1","6","4","1") = "6"
    & skf21("5","7","6","6","1","6","5","1") = "6"
    & skf21("5","7","6","6","1","6","6","1") = "6"
    & skf21("5","7","6","6","1","6","7","1") = "6"
    & skf21("5","7","6","6","1","7","1","1") = "6"
    & skf21("5","7","6","6","1","7","2","1") = "6"
    & skf21("5","7","6","6","1","7","3","1") = "6"
    & skf21("5","7","6","6","1","7","4","1") = "6"
    & skf21("5","7","6","6","1","7","5","1") = "6"
    & skf21("5","7","6","6","1","7","6","1") = "6"
    & skf21("5","7","6","6","1","7","7","1") = "6"
    & skf21("5","7","6","6","2","1","1","1") = "6"
    & skf21("5","7","6","6","2","1","2","1") = "6"
    & skf21("5","7","6","6","2","1","3","1") = "6"
    & skf21("5","7","6","6","2","1","4","1") = "6"
    & skf21("5","7","6","6","2","1","5","1") = "6"
    & skf21("5","7","6","6","2","1","6","1") = "6"
    & skf21("5","7","6","6","2","1","7","1") = "6"
    & skf21("5","7","6","6","2","2","1","1") = "6"
    & skf21("5","7","6","6","2","2","2","1") = "6"
    & skf21("5","7","6","6","2","2","3","1") = "6"
    & skf21("5","7","6","6","2","2","4","1") = "6"
    & skf21("5","7","6","6","2","2","5","1") = "6"
    & skf21("5","7","6","6","2","2","6","1") = "6"
    & skf21("5","7","6","6","2","2","7","1") = "6"
    & skf21("5","7","6","6","2","3","1","1") = "6"
    & skf21("5","7","6","6","2","3","2","1") = "6"
    & skf21("5","7","6","6","2","3","3","1") = "6"
    & skf21("5","7","6","6","2","3","4","1") = "6"
    & skf21("5","7","6","6","2","3","5","1") = "6"
    & skf21("5","7","6","6","2","3","6","1") = "6"
    & skf21("5","7","6","6","2","3","7","1") = "6"
    & skf21("5","7","6","6","2","4","1","1") = "6"
    & skf21("5","7","6","6","2","4","2","1") = "6"
    & skf21("5","7","6","6","2","4","3","1") = "6"
    & skf21("5","7","6","6","2","4","4","1") = "6"
    & skf21("5","7","6","6","2","4","5","1") = "6"
    & skf21("5","7","6","6","2","4","6","1") = "6"
    & skf21("5","7","6","6","2","4","7","1") = "6"
    & skf21("5","7","6","6","2","5","1","1") = "6"
    & skf21("5","7","6","6","2","5","2","1") = "6"
    & skf21("5","7","6","6","2","5","3","1") = "6"
    & skf21("5","7","6","6","2","5","4","1") = "6"
    & skf21("5","7","6","6","2","5","5","1") = "6"
    & skf21("5","7","6","6","2","5","6","1") = "6"
    & skf21("5","7","6","6","2","5","7","1") = "6"
    & skf21("5","7","6","6","2","6","1","1") = "6"
    & skf21("5","7","6","6","2","6","2","1") = "6"
    & skf21("5","7","6","6","2","6","3","1") = "6"
    & skf21("5","7","6","6","2","6","4","1") = "6"
    & skf21("5","7","6","6","2","6","5","1") = "6"
    & skf21("5","7","6","6","2","6","6","1") = "6"
    & skf21("5","7","6","6","2","6","7","1") = "6"
    & skf21("5","7","6","6","2","7","1","1") = "6"
    & skf21("5","7","6","6","2","7","2","1") = "6"
    & skf21("5","7","6","6","2","7","3","1") = "6"
    & skf21("5","7","6","6","2","7","4","1") = "6"
    & skf21("5","7","6","6","2","7","5","1") = "6"
    & skf21("5","7","6","6","2","7","6","1") = "6"
    & skf21("5","7","6","6","2","7","7","1") = "6"
    & skf21("5","7","6","6","3","1","1","1") = "6"
    & skf21("5","7","6","6","3","1","2","1") = "6"
    & skf21("5","7","6","6","3","1","3","1") = "6"
    & skf21("5","7","6","6","3","1","4","1") = "6"
    & skf21("5","7","6","6","3","1","5","1") = "6"
    & skf21("5","7","6","6","3","1","6","1") = "6"
    & skf21("5","7","6","6","3","1","7","1") = "6"
    & skf21("5","7","6","6","3","2","1","1") = "6"
    & skf21("5","7","6","6","3","2","2","1") = "6"
    & skf21("5","7","6","6","3","2","3","1") = "6"
    & skf21("5","7","6","6","3","2","4","1") = "6"
    & skf21("5","7","6","6","3","2","5","1") = "6"
    & skf21("5","7","6","6","3","2","6","1") = "6"
    & skf21("5","7","6","6","3","2","7","1") = "6"
    & skf21("5","7","6","6","3","3","1","1") = "6"
    & skf21("5","7","6","6","3","3","2","1") = "6"
    & skf21("5","7","6","6","3","3","3","1") = "6"
    & skf21("5","7","6","6","3","3","4","1") = "6"
    & skf21("5","7","6","6","3","3","5","1") = "6"
    & skf21("5","7","6","6","3","3","6","1") = "6"
    & skf21("5","7","6","6","3","3","7","1") = "6"
    & skf21("5","7","6","6","3","4","1","1") = "6"
    & skf21("5","7","6","6","3","4","2","1") = "6"
    & skf21("5","7","6","6","3","4","3","1") = "6"
    & skf21("5","7","6","6","3","4","4","1") = "6"
    & skf21("5","7","6","6","3","4","5","1") = "6"
    & skf21("5","7","6","6","3","4","6","1") = "6"
    & skf21("5","7","6","6","3","4","7","1") = "6"
    & skf21("5","7","6","6","3","5","1","1") = "6"
    & skf21("5","7","6","6","3","5","2","1") = "6"
    & skf21("5","7","6","6","3","5","3","1") = "6"
    & skf21("5","7","6","6","3","5","4","1") = "6"
    & skf21("5","7","6","6","3","5","5","1") = "6"
    & skf21("5","7","6","6","3","5","6","1") = "6"
    & skf21("5","7","6","6","3","5","7","1") = "6"
    & skf21("5","7","6","6","3","6","1","1") = "6"
    & skf21("5","7","6","6","3","6","2","1") = "6"
    & skf21("5","7","6","6","3","6","3","1") = "6"
    & skf21("5","7","6","6","3","6","4","1") = "6"
    & skf21("5","7","6","6","3","6","5","1") = "6"
    & skf21("5","7","6","6","3","6","6","1") = "6"
    & skf21("5","7","6","6","3","6","7","1") = "6"
    & skf21("5","7","6","6","3","7","1","1") = "6"
    & skf21("5","7","6","6","3","7","2","1") = "6"
    & skf21("5","7","6","6","3","7","3","1") = "6"
    & skf21("5","7","6","6","3","7","4","1") = "6"
    & skf21("5","7","6","6","3","7","5","1") = "6"
    & skf21("5","7","6","6","3","7","6","1") = "6"
    & skf21("5","7","6","6","3","7","7","1") = "6"
    & skf21("5","7","6","6","4","1","1","1") = "6"
    & skf21("5","7","6","6","4","1","2","1") = "6"
    & skf21("5","7","6","6","4","1","3","1") = "6"
    & skf21("5","7","6","6","4","1","4","1") = "6"
    & skf21("5","7","6","6","4","1","5","1") = "6"
    & skf21("5","7","6","6","4","1","6","1") = "6"
    & skf21("5","7","6","6","4","1","7","1") = "6"
    & skf21("5","7","6","6","4","2","1","1") = "6"
    & skf21("5","7","6","6","4","2","2","1") = "6"
    & skf21("5","7","6","6","4","2","3","1") = "6"
    & skf21("5","7","6","6","4","2","4","1") = "6"
    & skf21("5","7","6","6","4","2","5","1") = "6"
    & skf21("5","7","6","6","4","2","6","1") = "6"
    & skf21("5","7","6","6","4","2","7","1") = "6"
    & skf21("5","7","6","6","4","3","1","1") = "6"
    & skf21("5","7","6","6","4","3","2","1") = "6"
    & skf21("5","7","6","6","4","3","3","1") = "6"
    & skf21("5","7","6","6","4","3","4","1") = "6"
    & skf21("5","7","6","6","4","3","5","1") = "6"
    & skf21("5","7","6","6","4","3","6","1") = "6"
    & skf21("5","7","6","6","4","3","7","1") = "6"
    & skf21("5","7","6","6","4","4","1","1") = "6"
    & skf21("5","7","6","6","4","4","2","1") = "6"
    & skf21("5","7","6","6","4","4","3","1") = "6"
    & skf21("5","7","6","6","4","4","4","1") = "6"
    & skf21("5","7","6","6","4","4","5","1") = "6"
    & skf21("5","7","6","6","4","4","6","1") = "6"
    & skf21("5","7","6","6","4","4","7","1") = "6"
    & skf21("5","7","6","6","4","5","1","1") = "6"
    & skf21("5","7","6","6","4","5","2","1") = "6"
    & skf21("5","7","6","6","4","5","3","1") = "6"
    & skf21("5","7","6","6","4","5","4","1") = "6"
    & skf21("5","7","6","6","4","5","5","1") = "6"
    & skf21("5","7","6","6","4","5","6","1") = "6"
    & skf21("5","7","6","6","4","5","7","1") = "6"
    & skf21("5","7","6","6","4","6","1","1") = "6"
    & skf21("5","7","6","6","4","6","2","1") = "6"
    & skf21("5","7","6","6","4","6","3","1") = "6"
    & skf21("5","7","6","6","4","6","4","1") = "6"
    & skf21("5","7","6","6","4","6","5","1") = "6"
    & skf21("5","7","6","6","4","6","6","1") = "6"
    & skf21("5","7","6","6","4","6","7","1") = "6"
    & skf21("5","7","6","6","4","7","1","1") = "6"
    & skf21("5","7","6","6","4","7","2","1") = "6"
    & skf21("5","7","6","6","4","7","3","1") = "6"
    & skf21("5","7","6","6","4","7","4","1") = "6"
    & skf21("5","7","6","6","4","7","5","1") = "6"
    & skf21("5","7","6","6","4","7","6","1") = "6"
    & skf21("5","7","6","6","4","7","7","1") = "6"
    & skf21("5","7","6","6","5","1","1","1") = "6"
    & skf21("5","7","6","6","5","1","2","1") = "6"
    & skf21("5","7","6","6","5","1","3","1") = "6"
    & skf21("5","7","6","6","5","1","4","1") = "6"
    & skf21("5","7","6","6","5","1","5","1") = "6"
    & skf21("5","7","6","6","5","1","6","1") = "6"
    & skf21("5","7","6","6","5","1","7","1") = "6"
    & skf21("5","7","6","6","5","2","1","1") = "6"
    & skf21("5","7","6","6","5","2","2","1") = "6"
    & skf21("5","7","6","6","5","2","3","1") = "6"
    & skf21("5","7","6","6","5","2","4","1") = "6"
    & skf21("5","7","6","6","5","2","5","1") = "6"
    & skf21("5","7","6","6","5","2","6","1") = "6"
    & skf21("5","7","6","6","5","2","7","1") = "6"
    & skf21("5","7","6","6","5","3","1","1") = "6"
    & skf21("5","7","6","6","5","3","2","1") = "6"
    & skf21("5","7","6","6","5","3","3","1") = "6"
    & skf21("5","7","6","6","5","3","4","1") = "6"
    & skf21("5","7","6","6","5","3","5","1") = "6"
    & skf21("5","7","6","6","5","3","6","1") = "6"
    & skf21("5","7","6","6","5","3","7","1") = "6"
    & skf21("5","7","6","6","5","4","1","1") = "6"
    & skf21("5","7","6","6","5","4","2","1") = "6"
    & skf21("5","7","6","6","5","4","3","1") = "6"
    & skf21("5","7","6","6","5","4","4","1") = "6"
    & skf21("5","7","6","6","5","4","5","1") = "6"
    & skf21("5","7","6","6","5","4","6","1") = "6"
    & skf21("5","7","6","6","5","4","7","1") = "6"
    & skf21("5","7","6","6","5","5","1","1") = "6"
    & skf21("5","7","6","6","5","5","2","1") = "6"
    & skf21("5","7","6","6","5","5","3","1") = "6"
    & skf21("5","7","6","6","5","5","4","1") = "6"
    & skf21("5","7","6","6","5","5","5","1") = "6"
    & skf21("5","7","6","6","5","5","6","1") = "6"
    & skf21("5","7","6","6","5","5","7","1") = "6"
    & skf21("5","7","6","6","5","6","1","1") = "6"
    & skf21("5","7","6","6","5","6","2","1") = "6"
    & skf21("5","7","6","6","5","6","3","1") = "6"
    & skf21("5","7","6","6","5","6","4","1") = "6"
    & skf21("5","7","6","6","5","6","5","1") = "6"
    & skf21("5","7","6","6","5","6","6","1") = "6"
    & skf21("5","7","6","6","5","6","7","1") = "6"
    & skf21("5","7","6","6","5","7","1","1") = "6"
    & skf21("5","7","6","6","5","7","2","1") = "6"
    & skf21("5","7","6","6","5","7","3","1") = "6"
    & skf21("5","7","6","6","5","7","4","1") = "6"
    & skf21("5","7","6","6","5","7","5","1") = "6"
    & skf21("5","7","6","6","5","7","6","1") = "6"
    & skf21("5","7","6","6","5","7","7","1") = "6"
    & skf21("5","7","6","6","6","1","1","1") = "6"
    & skf21("5","7","6","6","6","1","2","1") = "6"
    & skf21("5","7","6","6","6","1","3","1") = "6"
    & skf21("5","7","6","6","6","1","4","1") = "6"
    & skf21("5","7","6","6","6","1","5","1") = "6"
    & skf21("5","7","6","6","6","1","6","1") = "6"
    & skf21("5","7","6","6","6","1","7","1") = "6"
    & skf21("5","7","6","6","6","2","1","1") = "6"
    & skf21("5","7","6","6","6","2","2","1") = "6"
    & skf21("5","7","6","6","6","2","3","1") = "6"
    & skf21("5","7","6","6","6","2","4","1") = "6"
    & skf21("5","7","6","6","6","2","5","1") = "6"
    & skf21("5","7","6","6","6","2","6","1") = "6"
    & skf21("5","7","6","6","6","2","7","1") = "6"
    & skf21("5","7","6","6","6","3","1","1") = "6"
    & skf21("5","7","6","6","6","3","2","1") = "6"
    & skf21("5","7","6","6","6","3","3","1") = "6"
    & skf21("5","7","6","6","6","3","4","1") = "6"
    & skf21("5","7","6","6","6","3","5","1") = "6"
    & skf21("5","7","6","6","6","3","6","1") = "6"
    & skf21("5","7","6","6","6","3","7","1") = "6"
    & skf21("5","7","6","6","6","4","1","1") = "6"
    & skf21("5","7","6","6","6","4","2","1") = "6"
    & skf21("5","7","6","6","6","4","3","1") = "6"
    & skf21("5","7","6","6","6","4","4","1") = "6"
    & skf21("5","7","6","6","6","4","5","1") = "6"
    & skf21("5","7","6","6","6","4","6","1") = "6"
    & skf21("5","7","6","6","6","4","7","1") = "6"
    & skf21("5","7","6","6","6","5","1","1") = "6"
    & skf21("5","7","6","6","6","5","2","1") = "6"
    & skf21("5","7","6","6","6","5","3","1") = "6"
    & skf21("5","7","6","6","6","5","4","1") = "6"
    & skf21("5","7","6","6","6","5","5","1") = "6"
    & skf21("5","7","6","6","6","5","6","1") = "6"
    & skf21("5","7","6","6","6","5","7","1") = "6"
    & skf21("5","7","6","6","6","6","1","1") = "6"
    & skf21("5","7","6","6","6","6","2","1") = "6"
    & skf21("5","7","6","6","6","6","3","1") = "6"
    & skf21("5","7","6","6","6","6","4","1") = "6"
    & skf21("5","7","6","6","6","6","5","1") = "6"
    & skf21("5","7","6","6","6","6","6","1") = "6"
    & skf21("5","7","6","6","6","6","7","1") = "6"
    & skf21("5","7","6","6","6","7","1","1") = "6"
    & skf21("5","7","6","6","6","7","2","1") = "6"
    & skf21("5","7","6","6","6","7","3","1") = "6"
    & skf21("5","7","6","6","6","7","4","1") = "6"
    & skf21("5","7","6","6","6","7","5","1") = "6"
    & skf21("5","7","6","6","6","7","6","1") = "6"
    & skf21("5","7","6","6","6","7","7","1") = "6"
    & skf21("5","7","6","6","7","1","1","1") = "6"
    & skf21("5","7","6","6","7","1","2","1") = "6"
    & skf21("5","7","6","6","7","1","3","1") = "6"
    & skf21("5","7","6","6","7","1","4","1") = "6"
    & skf21("5","7","6","6","7","1","5","1") = "6"
    & skf21("5","7","6","6","7","1","6","1") = "6"
    & skf21("5","7","6","6","7","1","7","1") = "6"
    & skf21("5","7","6","6","7","2","1","1") = "6"
    & skf21("5","7","6","6","7","2","2","1") = "6"
    & skf21("5","7","6","6","7","2","3","1") = "6"
    & skf21("5","7","6","6","7","2","4","1") = "6"
    & skf21("5","7","6","6","7","2","5","1") = "6"
    & skf21("5","7","6","6","7","2","6","1") = "6"
    & skf21("5","7","6","6","7","2","7","1") = "6"
    & skf21("5","7","6","6","7","3","1","1") = "6"
    & skf21("5","7","6","6","7","3","2","1") = "6"
    & skf21("5","7","6","6","7","3","3","1") = "6"
    & skf21("5","7","6","6","7","3","4","1") = "6"
    & skf21("5","7","6","6","7","3","5","1") = "6"
    & skf21("5","7","6","6","7","3","6","1") = "6"
    & skf21("5","7","6","6","7","3","7","1") = "6"
    & skf21("5","7","6","6","7","4","1","1") = "6"
    & skf21("5","7","6","6","7","4","2","1") = "6"
    & skf21("5","7","6","6","7","4","3","1") = "6"
    & skf21("5","7","6","6","7","4","4","1") = "6"
    & skf21("5","7","6","6","7","4","5","1") = "6"
    & skf21("5","7","6","6","7","4","6","1") = "6"
    & skf21("5","7","6","6","7","4","7","1") = "6"
    & skf21("5","7","6","6","7","5","1","1") = "6"
    & skf21("5","7","6","6","7","5","2","1") = "6"
    & skf21("5","7","6","6","7","5","3","1") = "6"
    & skf21("5","7","6","6","7","5","4","1") = "6"
    & skf21("5","7","6","6","7","5","5","1") = "6"
    & skf21("5","7","6","6","7","5","6","1") = "6"
    & skf21("5","7","6","6","7","5","7","1") = "6"
    & skf21("5","7","6","6","7","6","1","1") = "6"
    & skf21("5","7","6","6","7","6","2","1") = "6"
    & skf21("5","7","6","6","7","6","3","1") = "6"
    & skf21("5","7","6","6","7","6","4","1") = "6"
    & skf21("5","7","6","6","7","6","5","1") = "6"
    & skf21("5","7","6","6","7","6","6","1") = "6"
    & skf21("5","7","6","6","7","6","7","1") = "6"
    & skf21("5","7","6","6","7","7","1","1") = "6"
    & skf21("5","7","6","6","7","7","2","1") = "6"
    & skf21("5","7","6","6","7","7","3","1") = "6"
    & skf21("5","7","6","6","7","7","4","1") = "6"
    & skf21("5","7","6","6","7","7","5","1") = "6"
    & skf21("5","7","6","6","7","7","6","1") = "6"
    & skf21("5","7","6","6","7","7","7","1") = "6"
    & skf21("5","7","6","7","1","1","1","1") = "6"
    & skf21("5","7","6","7","1","1","2","1") = "6"
    & skf21("5","7","6","7","1","1","3","1") = "6"
    & skf21("5","7","6","7","1","1","4","1") = "6"
    & skf21("5","7","6","7","1","1","5","1") = "6"
    & skf21("5","7","6","7","1","1","6","1") = "6"
    & skf21("5","7","6","7","1","1","7","1") = "6"
    & skf21("5","7","6","7","1","2","1","1") = "6"
    & skf21("5","7","6","7","1","2","2","1") = "6"
    & skf21("5","7","6","7","1","2","3","1") = "6"
    & skf21("5","7","6","7","1","2","4","1") = "6"
    & skf21("5","7","6","7","1","2","5","1") = "6"
    & skf21("5","7","6","7","1","2","6","1") = "6"
    & skf21("5","7","6","7","1","2","7","1") = "6"
    & skf21("5","7","6","7","1","3","1","1") = "6"
    & skf21("5","7","6","7","1","3","2","1") = "6"
    & skf21("5","7","6","7","1","3","3","1") = "6"
    & skf21("5","7","6","7","1","3","4","1") = "6"
    & skf21("5","7","6","7","1","3","5","1") = "6"
    & skf21("5","7","6","7","1","3","6","1") = "6"
    & skf21("5","7","6","7","1","3","7","1") = "6"
    & skf21("5","7","6","7","1","4","1","1") = "6"
    & skf21("5","7","6","7","1","4","2","1") = "6"
    & skf21("5","7","6","7","1","4","3","1") = "6"
    & skf21("5","7","6","7","1","4","4","1") = "6"
    & skf21("5","7","6","7","1","4","5","1") = "6"
    & skf21("5","7","6","7","1","4","6","1") = "6"
    & skf21("5","7","6","7","1","4","7","1") = "6"
    & skf21("5","7","6","7","1","5","1","1") = "6"
    & skf21("5","7","6","7","1","5","2","1") = "6"
    & skf21("5","7","6","7","1","5","3","1") = "6"
    & skf21("5","7","6","7","1","5","4","1") = "6"
    & skf21("5","7","6","7","1","5","5","1") = "6"
    & skf21("5","7","6","7","1","5","6","1") = "6"
    & skf21("5","7","6","7","1","5","7","1") = "6"
    & skf21("5","7","6","7","1","6","1","1") = "6"
    & skf21("5","7","6","7","1","6","2","1") = "6"
    & skf21("5","7","6","7","1","6","3","1") = "6"
    & skf21("5","7","6","7","1","6","4","1") = "6"
    & skf21("5","7","6","7","1","6","5","1") = "6"
    & skf21("5","7","6","7","1","6","6","1") = "6"
    & skf21("5","7","6","7","1","6","7","1") = "6"
    & skf21("5","7","6","7","1","7","1","1") = "6"
    & skf21("5","7","6","7","1","7","2","1") = "6"
    & skf21("5","7","6","7","1","7","3","1") = "6"
    & skf21("5","7","6","7","1","7","4","1") = "6"
    & skf21("5","7","6","7","1","7","5","1") = "6"
    & skf21("5","7","6","7","1","7","6","1") = "6"
    & skf21("5","7","6","7","1","7","7","1") = "6"
    & skf21("5","7","6","7","2","1","1","1") = "6"
    & skf21("5","7","6","7","2","1","2","1") = "6"
    & skf21("5","7","6","7","2","1","3","1") = "6"
    & skf21("5","7","6","7","2","1","4","1") = "6"
    & skf21("5","7","6","7","2","1","5","1") = "6"
    & skf21("5","7","6","7","2","1","6","1") = "6"
    & skf21("5","7","6","7","2","1","7","1") = "6"
    & skf21("5","7","6","7","2","2","1","1") = "6"
    & skf21("5","7","6","7","2","2","2","1") = "6"
    & skf21("5","7","6","7","2","2","3","1") = "6"
    & skf21("5","7","6","7","2","2","4","1") = "6"
    & skf21("5","7","6","7","2","2","5","1") = "6"
    & skf21("5","7","6","7","2","2","6","1") = "6"
    & skf21("5","7","6","7","2","2","7","1") = "6"
    & skf21("5","7","6","7","2","3","1","1") = "6"
    & skf21("5","7","6","7","2","3","2","1") = "6"
    & skf21("5","7","6","7","2","3","3","1") = "6"
    & skf21("5","7","6","7","2","3","4","1") = "6"
    & skf21("5","7","6","7","2","3","5","1") = "6"
    & skf21("5","7","6","7","2","3","6","1") = "6"
    & skf21("5","7","6","7","2","3","7","1") = "6"
    & skf21("5","7","6","7","2","4","1","1") = "6"
    & skf21("5","7","6","7","2","4","2","1") = "6"
    & skf21("5","7","6","7","2","4","3","1") = "6"
    & skf21("5","7","6","7","2","4","4","1") = "6"
    & skf21("5","7","6","7","2","4","5","1") = "6"
    & skf21("5","7","6","7","2","4","6","1") = "6"
    & skf21("5","7","6","7","2","4","7","1") = "6"
    & skf21("5","7","6","7","2","5","1","1") = "6"
    & skf21("5","7","6","7","2","5","2","1") = "6"
    & skf21("5","7","6","7","2","5","3","1") = "6"
    & skf21("5","7","6","7","2","5","4","1") = "6"
    & skf21("5","7","6","7","2","5","5","1") = "6"
    & skf21("5","7","6","7","2","5","6","1") = "6"
    & skf21("5","7","6","7","2","5","7","1") = "6"
    & skf21("5","7","6","7","2","6","1","1") = "6"
    & skf21("5","7","6","7","2","6","2","1") = "6"
    & skf21("5","7","6","7","2","6","3","1") = "6"
    & skf21("5","7","6","7","2","6","4","1") = "6"
    & skf21("5","7","6","7","2","6","5","1") = "6"
    & skf21("5","7","6","7","2","6","6","1") = "6"
    & skf21("5","7","6","7","2","6","7","1") = "6"
    & skf21("5","7","6","7","2","7","1","1") = "6"
    & skf21("5","7","6","7","2","7","2","1") = "6"
    & skf21("5","7","6","7","2","7","3","1") = "6"
    & skf21("5","7","6","7","2","7","4","1") = "6"
    & skf21("5","7","6","7","2","7","5","1") = "6"
    & skf21("5","7","6","7","2","7","6","1") = "6"
    & skf21("5","7","6","7","2","7","7","1") = "6"
    & skf21("5","7","6","7","3","1","1","1") = "6"
    & skf21("5","7","6","7","3","1","2","1") = "6"
    & skf21("5","7","6","7","3","1","3","1") = "6"
    & skf21("5","7","6","7","3","1","4","1") = "6"
    & skf21("5","7","6","7","3","1","5","1") = "6"
    & skf21("5","7","6","7","3","1","6","1") = "6"
    & skf21("5","7","6","7","3","1","7","1") = "6"
    & skf21("5","7","6","7","3","2","1","1") = "6"
    & skf21("5","7","6","7","3","2","2","1") = "6"
    & skf21("5","7","6","7","3","2","3","1") = "6"
    & skf21("5","7","6","7","3","2","4","1") = "6"
    & skf21("5","7","6","7","3","2","5","1") = "6"
    & skf21("5","7","6","7","3","2","6","1") = "6"
    & skf21("5","7","6","7","3","2","7","1") = "6"
    & skf21("5","7","6","7","3","3","1","1") = "6"
    & skf21("5","7","6","7","3","3","2","1") = "6"
    & skf21("5","7","6","7","3","3","3","1") = "6"
    & skf21("5","7","6","7","3","3","4","1") = "6"
    & skf21("5","7","6","7","3","3","5","1") = "6"
    & skf21("5","7","6","7","3","3","6","1") = "6"
    & skf21("5","7","6","7","3","3","7","1") = "6"
    & skf21("5","7","6","7","3","4","1","1") = "6"
    & skf21("5","7","6","7","3","4","2","1") = "6"
    & skf21("5","7","6","7","3","4","3","1") = "6"
    & skf21("5","7","6","7","3","4","4","1") = "6"
    & skf21("5","7","6","7","3","4","5","1") = "6"
    & skf21("5","7","6","7","3","4","6","1") = "6"
    & skf21("5","7","6","7","3","4","7","1") = "6"
    & skf21("5","7","6","7","3","5","1","1") = "6"
    & skf21("5","7","6","7","3","5","2","1") = "6"
    & skf21("5","7","6","7","3","5","3","1") = "6"
    & skf21("5","7","6","7","3","5","4","1") = "6"
    & skf21("5","7","6","7","3","5","5","1") = "6"
    & skf21("5","7","6","7","3","5","6","1") = "6"
    & skf21("5","7","6","7","3","5","7","1") = "6"
    & skf21("5","7","6","7","3","6","1","1") = "6"
    & skf21("5","7","6","7","3","6","2","1") = "6"
    & skf21("5","7","6","7","3","6","3","1") = "6"
    & skf21("5","7","6","7","3","6","4","1") = "6"
    & skf21("5","7","6","7","3","6","5","1") = "6"
    & skf21("5","7","6","7","3","6","6","1") = "6"
    & skf21("5","7","6","7","3","6","7","1") = "6"
    & skf21("5","7","6","7","3","7","1","1") = "6"
    & skf21("5","7","6","7","3","7","2","1") = "6"
    & skf21("5","7","6","7","3","7","3","1") = "6"
    & skf21("5","7","6","7","3","7","4","1") = "6"
    & skf21("5","7","6","7","3","7","5","1") = "6"
    & skf21("5","7","6","7","3","7","6","1") = "6"
    & skf21("5","7","6","7","3","7","7","1") = "6"
    & skf21("5","7","6","7","4","1","1","1") = "6"
    & skf21("5","7","6","7","4","1","2","1") = "6"
    & skf21("5","7","6","7","4","1","3","1") = "6"
    & skf21("5","7","6","7","4","1","4","1") = "6"
    & skf21("5","7","6","7","4","1","5","1") = "6"
    & skf21("5","7","6","7","4","1","6","1") = "6"
    & skf21("5","7","6","7","4","1","7","1") = "6"
    & skf21("5","7","6","7","4","2","1","1") = "6"
    & skf21("5","7","6","7","4","2","2","1") = "6"
    & skf21("5","7","6","7","4","2","3","1") = "6"
    & skf21("5","7","6","7","4","2","4","1") = "6"
    & skf21("5","7","6","7","4","2","5","1") = "6"
    & skf21("5","7","6","7","4","2","6","1") = "6"
    & skf21("5","7","6","7","4","2","7","1") = "6"
    & skf21("5","7","6","7","4","3","1","1") = "6"
    & skf21("5","7","6","7","4","3","2","1") = "6"
    & skf21("5","7","6","7","4","3","3","1") = "6"
    & skf21("5","7","6","7","4","3","4","1") = "6"
    & skf21("5","7","6","7","4","3","5","1") = "6"
    & skf21("5","7","6","7","4","3","6","1") = "6"
    & skf21("5","7","6","7","4","3","7","1") = "6"
    & skf21("5","7","6","7","4","4","1","1") = "6"
    & skf21("5","7","6","7","4","4","2","1") = "6"
    & skf21("5","7","6","7","4","4","3","1") = "6"
    & skf21("5","7","6","7","4","4","4","1") = "6"
    & skf21("5","7","6","7","4","4","5","1") = "6"
    & skf21("5","7","6","7","4","4","6","1") = "6"
    & skf21("5","7","6","7","4","4","7","1") = "6"
    & skf21("5","7","6","7","4","5","1","1") = "6"
    & skf21("5","7","6","7","4","5","2","1") = "6"
    & skf21("5","7","6","7","4","5","3","1") = "6"
    & skf21("5","7","6","7","4","5","4","1") = "6"
    & skf21("5","7","6","7","4","5","5","1") = "6"
    & skf21("5","7","6","7","4","5","6","1") = "6"
    & skf21("5","7","6","7","4","5","7","1") = "6"
    & skf21("5","7","6","7","4","6","1","1") = "6"
    & skf21("5","7","6","7","4","6","2","1") = "6"
    & skf21("5","7","6","7","4","6","3","1") = "6"
    & skf21("5","7","6","7","4","6","4","1") = "6"
    & skf21("5","7","6","7","4","6","5","1") = "6"
    & skf21("5","7","6","7","4","6","6","1") = "6"
    & skf21("5","7","6","7","4","6","7","1") = "6"
    & skf21("5","7","6","7","4","7","1","1") = "6"
    & skf21("5","7","6","7","4","7","2","1") = "6"
    & skf21("5","7","6","7","4","7","3","1") = "6"
    & skf21("5","7","6","7","4","7","4","1") = "6"
    & skf21("5","7","6","7","4","7","5","1") = "6"
    & skf21("5","7","6","7","4","7","6","1") = "6"
    & skf21("5","7","6","7","4","7","7","1") = "6"
    & skf21("5","7","6","7","5","1","1","1") = "6"
    & skf21("5","7","6","7","5","1","2","1") = "6"
    & skf21("5","7","6","7","5","1","3","1") = "6"
    & skf21("5","7","6","7","5","1","4","1") = "6"
    & skf21("5","7","6","7","5","1","5","1") = "6"
    & skf21("5","7","6","7","5","1","6","1") = "6"
    & skf21("5","7","6","7","5","1","7","1") = "6"
    & skf21("5","7","6","7","5","2","1","1") = "6"
    & skf21("5","7","6","7","5","2","2","1") = "6"
    & skf21("5","7","6","7","5","2","3","1") = "6"
    & skf21("5","7","6","7","5","2","4","1") = "6"
    & skf21("5","7","6","7","5","2","5","1") = "6"
    & skf21("5","7","6","7","5","2","6","1") = "6"
    & skf21("5","7","6","7","5","2","7","1") = "6"
    & skf21("5","7","6","7","5","3","1","1") = "6"
    & skf21("5","7","6","7","5","3","2","1") = "6"
    & skf21("5","7","6","7","5","3","3","1") = "6"
    & skf21("5","7","6","7","5","3","4","1") = "6"
    & skf21("5","7","6","7","5","3","5","1") = "6"
    & skf21("5","7","6","7","5","3","6","1") = "6"
    & skf21("5","7","6","7","5","3","7","1") = "6"
    & skf21("5","7","6","7","5","4","1","1") = "6"
    & skf21("5","7","6","7","5","4","2","1") = "6"
    & skf21("5","7","6","7","5","4","3","1") = "6"
    & skf21("5","7","6","7","5","4","4","1") = "6"
    & skf21("5","7","6","7","5","4","5","1") = "6"
    & skf21("5","7","6","7","5","4","6","1") = "6"
    & skf21("5","7","6","7","5","4","7","1") = "6"
    & skf21("5","7","6","7","5","5","1","1") = "6"
    & skf21("5","7","6","7","5","5","2","1") = "6"
    & skf21("5","7","6","7","5","5","3","1") = "6"
    & skf21("5","7","6","7","5","5","4","1") = "6"
    & skf21("5","7","6","7","5","5","5","1") = "6"
    & skf21("5","7","6","7","5","5","6","1") = "6"
    & skf21("5","7","6","7","5","5","7","1") = "6"
    & skf21("5","7","6","7","5","6","1","1") = "6"
    & skf21("5","7","6","7","5","6","2","1") = "6"
    & skf21("5","7","6","7","5","6","3","1") = "6"
    & skf21("5","7","6","7","5","6","4","1") = "6"
    & skf21("5","7","6","7","5","6","5","1") = "6"
    & skf21("5","7","6","7","5","6","6","1") = "6"
    & skf21("5","7","6","7","5","6","7","1") = "6"
    & skf21("5","7","6","7","5","7","1","1") = "6"
    & skf21("5","7","6","7","5","7","2","1") = "6"
    & skf21("5","7","6","7","5","7","3","1") = "6"
    & skf21("5","7","6","7","5","7","4","1") = "6"
    & skf21("5","7","6","7","5","7","5","1") = "6"
    & skf21("5","7","6","7","5","7","6","1") = "6"
    & skf21("5","7","6","7","5","7","7","1") = "6"
    & skf21("5","7","6","7","6","1","1","1") = "6"
    & skf21("5","7","6","7","6","1","2","1") = "6"
    & skf21("5","7","6","7","6","1","3","1") = "6"
    & skf21("5","7","6","7","6","1","4","1") = "6"
    & skf21("5","7","6","7","6","1","5","1") = "6"
    & skf21("5","7","6","7","6","1","6","1") = "6"
    & skf21("5","7","6","7","6","1","7","1") = "6"
    & skf21("5","7","6","7","6","2","1","1") = "6"
    & skf21("5","7","6","7","6","2","2","1") = "6"
    & skf21("5","7","6","7","6","2","3","1") = "6"
    & skf21("5","7","6","7","6","2","4","1") = "6"
    & skf21("5","7","6","7","6","2","5","1") = "6"
    & skf21("5","7","6","7","6","2","6","1") = "6"
    & skf21("5","7","6","7","6","2","7","1") = "6"
    & skf21("5","7","6","7","6","3","1","1") = "6"
    & skf21("5","7","6","7","6","3","2","1") = "6"
    & skf21("5","7","6","7","6","3","3","1") = "6"
    & skf21("5","7","6","7","6","3","4","1") = "6"
    & skf21("5","7","6","7","6","3","5","1") = "6"
    & skf21("5","7","6","7","6","3","6","1") = "6"
    & skf21("5","7","6","7","6","3","7","1") = "6"
    & skf21("5","7","6","7","6","4","1","1") = "6"
    & skf21("5","7","6","7","6","4","2","1") = "6"
    & skf21("5","7","6","7","6","4","3","1") = "6"
    & skf21("5","7","6","7","6","4","4","1") = "6"
    & skf21("5","7","6","7","6","4","5","1") = "6"
    & skf21("5","7","6","7","6","4","6","1") = "6"
    & skf21("5","7","6","7","6","4","7","1") = "6"
    & skf21("5","7","6","7","6","5","1","1") = "6"
    & skf21("5","7","6","7","6","5","2","1") = "6"
    & skf21("5","7","6","7","6","5","3","1") = "6"
    & skf21("5","7","6","7","6","5","4","1") = "6"
    & skf21("5","7","6","7","6","5","5","1") = "6"
    & skf21("5","7","6","7","6","5","6","1") = "6"
    & skf21("5","7","6","7","6","5","7","1") = "6"
    & skf21("5","7","6","7","6","6","1","1") = "6"
    & skf21("5","7","6","7","6","6","2","1") = "6"
    & skf21("5","7","6","7","6","6","3","1") = "6"
    & skf21("5","7","6","7","6","6","4","1") = "6"
    & skf21("5","7","6","7","6","6","5","1") = "6"
    & skf21("5","7","6","7","6","6","6","1") = "6"
    & skf21("5","7","6","7","6","6","7","1") = "6"
    & skf21("5","7","6","7","6","7","1","1") = "6"
    & skf21("5","7","6","7","6","7","2","1") = "6"
    & skf21("5","7","6","7","6","7","3","1") = "6"
    & skf21("5","7","6","7","6","7","4","1") = "6"
    & skf21("5","7","6","7","6","7","5","1") = "6"
    & skf21("5","7","6","7","6","7","6","1") = "6"
    & skf21("5","7","6","7","6","7","7","1") = "6"
    & skf21("5","7","6","7","7","1","1","1") = "6"
    & skf21("5","7","6","7","7","1","2","1") = "6"
    & skf21("5","7","6","7","7","1","3","1") = "6"
    & skf21("5","7","6","7","7","1","4","1") = "6"
    & skf21("5","7","6","7","7","1","5","1") = "6"
    & skf21("5","7","6","7","7","1","6","1") = "6"
    & skf21("5","7","6","7","7","1","7","1") = "6"
    & skf21("5","7","6","7","7","2","1","1") = "6"
    & skf21("5","7","6","7","7","2","2","1") = "6"
    & skf21("5","7","6","7","7","2","3","1") = "6"
    & skf21("5","7","6","7","7","2","4","1") = "6"
    & skf21("5","7","6","7","7","2","5","1") = "6"
    & skf21("5","7","6","7","7","2","6","1") = "6"
    & skf21("5","7","6","7","7","2","7","1") = "6"
    & skf21("5","7","6","7","7","3","1","1") = "6"
    & skf21("5","7","6","7","7","3","2","1") = "6"
    & skf21("5","7","6","7","7","3","3","1") = "6"
    & skf21("5","7","6","7","7","3","4","1") = "6"
    & skf21("5","7","6","7","7","3","5","1") = "6"
    & skf21("5","7","6","7","7","3","6","1") = "6"
    & skf21("5","7","6","7","7","3","7","1") = "6"
    & skf21("5","7","6","7","7","4","1","1") = "6"
    & skf21("5","7","6","7","7","4","2","1") = "6"
    & skf21("5","7","6","7","7","4","3","1") = "6"
    & skf21("5","7","6","7","7","4","4","1") = "6"
    & skf21("5","7","6","7","7","4","5","1") = "6"
    & skf21("5","7","6","7","7","4","6","1") = "6"
    & skf21("5","7","6","7","7","4","7","1") = "6"
    & skf21("5","7","6","7","7","5","1","1") = "6"
    & skf21("5","7","6","7","7","5","2","1") = "6"
    & skf21("5","7","6","7","7","5","3","1") = "6"
    & skf21("5","7","6","7","7","5","4","1") = "6"
    & skf21("5","7","6","7","7","5","5","1") = "6"
    & skf21("5","7","6","7","7","5","6","1") = "6"
    & skf21("5","7","6","7","7","5","7","1") = "6"
    & skf21("5","7","6","7","7","6","1","1") = "6"
    & skf21("5","7","6","7","7","6","2","1") = "6"
    & skf21("5","7","6","7","7","6","3","1") = "6"
    & skf21("5","7","6","7","7","6","4","1") = "6"
    & skf21("5","7","6","7","7","6","5","1") = "6"
    & skf21("5","7","6","7","7","6","6","1") = "6"
    & skf21("5","7","6","7","7","6","7","1") = "6"
    & skf21("5","7","6","7","7","7","1","1") = "6"
    & skf21("5","7","6","7","7","7","2","1") = "6"
    & skf21("5","7","6","7","7","7","3","1") = "6"
    & skf21("5","7","6","7","7","7","4","1") = "6"
    & skf21("5","7","6","7","7","7","5","1") = "6"
    & skf21("5","7","6","7","7","7","6","1") = "6"
    & skf21("5","7","6","7","7","7","7","1") = "6"
    & skf21("5","7","7","1","1","1","1","1") = "6"
    & skf21("5","7","7","1","1","1","2","1") = "6"
    & skf21("5","7","7","1","1","1","3","1") = "6"
    & skf21("5","7","7","1","1","1","4","1") = "6"
    & skf21("5","7","7","1","1","1","5","1") = "6"
    & skf21("5","7","7","1","1","1","6","1") = "6"
    & skf21("5","7","7","1","1","1","7","1") = "6"
    & skf21("5","7","7","1","1","2","1","1") = "6"
    & skf21("5","7","7","1","1","2","2","1") = "6"
    & skf21("5","7","7","1","1","2","3","1") = "6"
    & skf21("5","7","7","1","1","2","4","1") = "6"
    & skf21("5","7","7","1","1","2","5","1") = "6"
    & skf21("5","7","7","1","1","2","6","1") = "6"
    & skf21("5","7","7","1","1","2","7","1") = "6"
    & skf21("5","7","7","1","1","3","1","1") = "6"
    & skf21("5","7","7","1","1","3","2","1") = "6"
    & skf21("5","7","7","1","1","3","3","1") = "6"
    & skf21("5","7","7","1","1","3","4","1") = "6"
    & skf21("5","7","7","1","1","3","5","1") = "6"
    & skf21("5","7","7","1","1","3","6","1") = "6"
    & skf21("5","7","7","1","1","3","7","1") = "6"
    & skf21("5","7","7","1","1","4","1","1") = "6"
    & skf21("5","7","7","1","1","4","2","1") = "6"
    & skf21("5","7","7","1","1","4","3","1") = "6"
    & skf21("5","7","7","1","1","4","4","1") = "6"
    & skf21("5","7","7","1","1","4","5","1") = "6"
    & skf21("5","7","7","1","1","4","6","1") = "6"
    & skf21("5","7","7","1","1","4","7","1") = "6"
    & skf21("5","7","7","1","1","5","1","1") = "6"
    & skf21("5","7","7","1","1","5","2","1") = "6"
    & skf21("5","7","7","1","1","5","3","1") = "6"
    & skf21("5","7","7","1","1","5","4","1") = "6"
    & skf21("5","7","7","1","1","5","5","1") = "6"
    & skf21("5","7","7","1","1","5","6","1") = "6"
    & skf21("5","7","7","1","1","5","7","1") = "6"
    & skf21("5","7","7","1","1","6","1","1") = "6"
    & skf21("5","7","7","1","1","6","2","1") = "6"
    & skf21("5","7","7","1","1","6","3","1") = "6"
    & skf21("5","7","7","1","1","6","4","1") = "6"
    & skf21("5","7","7","1","1","6","5","1") = "6"
    & skf21("5","7","7","1","1","6","6","1") = "6"
    & skf21("5","7","7","1","1","6","7","1") = "6"
    & skf21("5","7","7","1","1","7","1","1") = "6"
    & skf21("5","7","7","1","1","7","2","1") = "6"
    & skf21("5","7","7","1","1","7","3","1") = "6"
    & skf21("5","7","7","1","1","7","4","1") = "6"
    & skf21("5","7","7","1","1","7","5","1") = "6"
    & skf21("5","7","7","1","1","7","6","1") = "6"
    & skf21("5","7","7","1","1","7","7","1") = "6"
    & skf21("5","7","7","1","2","1","1","1") = "6"
    & skf21("5","7","7","1","2","1","2","1") = "6"
    & skf21("5","7","7","1","2","1","3","1") = "6"
    & skf21("5","7","7","1","2","1","4","1") = "6"
    & skf21("5","7","7","1","2","1","5","1") = "6"
    & skf21("5","7","7","1","2","1","6","1") = "6"
    & skf21("5","7","7","1","2","1","7","1") = "6"
    & skf21("5","7","7","1","2","2","1","1") = "6"
    & skf21("5","7","7","1","2","2","2","1") = "6"
    & skf21("5","7","7","1","2","2","3","1") = "6"
    & skf21("5","7","7","1","2","2","4","1") = "6"
    & skf21("5","7","7","1","2","2","5","1") = "6"
    & skf21("5","7","7","1","2","2","6","1") = "6"
    & skf21("5","7","7","1","2","2","7","1") = "6"
    & skf21("5","7","7","1","2","3","1","1") = "6"
    & skf21("5","7","7","1","2","3","2","1") = "6"
    & skf21("5","7","7","1","2","3","3","1") = "6"
    & skf21("5","7","7","1","2","3","4","1") = "6"
    & skf21("5","7","7","1","2","3","5","1") = "6"
    & skf21("5","7","7","1","2","3","6","1") = "6"
    & skf21("5","7","7","1","2","3","7","1") = "6"
    & skf21("5","7","7","1","2","4","1","1") = "6"
    & skf21("5","7","7","1","2","4","2","1") = "6"
    & skf21("5","7","7","1","2","4","3","1") = "6"
    & skf21("5","7","7","1","2","4","4","1") = "6"
    & skf21("5","7","7","1","2","4","5","1") = "6"
    & skf21("5","7","7","1","2","4","6","1") = "6"
    & skf21("5","7","7","1","2","4","7","1") = "6"
    & skf21("5","7","7","1","2","5","1","1") = "6"
    & skf21("5","7","7","1","2","5","2","1") = "6"
    & skf21("5","7","7","1","2","5","3","1") = "6"
    & skf21("5","7","7","1","2","5","4","1") = "6"
    & skf21("5","7","7","1","2","5","5","1") = "6"
    & skf21("5","7","7","1","2","5","6","1") = "6"
    & skf21("5","7","7","1","2","5","7","1") = "6"
    & skf21("5","7","7","1","2","6","1","1") = "6"
    & skf21("5","7","7","1","2","6","2","1") = "6"
    & skf21("5","7","7","1","2","6","3","1") = "6"
    & skf21("5","7","7","1","2","6","4","1") = "6"
    & skf21("5","7","7","1","2","6","5","1") = "6"
    & skf21("5","7","7","1","2","6","6","1") = "6"
    & skf21("5","7","7","1","2","6","7","1") = "6"
    & skf21("5","7","7","1","2","7","1","1") = "6"
    & skf21("5","7","7","1","2","7","2","1") = "6"
    & skf21("5","7","7","1","2","7","3","1") = "6"
    & skf21("5","7","7","1","2","7","4","1") = "6"
    & skf21("5","7","7","1","2","7","5","1") = "6"
    & skf21("5","7","7","1","2","7","6","1") = "6"
    & skf21("5","7","7","1","2","7","7","1") = "6"
    & skf21("5","7","7","1","3","1","1","1") = "6"
    & skf21("5","7","7","1","3","1","2","1") = "6"
    & skf21("5","7","7","1","3","1","3","1") = "6"
    & skf21("5","7","7","1","3","1","4","1") = "6"
    & skf21("5","7","7","1","3","1","5","1") = "6"
    & skf21("5","7","7","1","3","1","6","1") = "6"
    & skf21("5","7","7","1","3","1","7","1") = "6"
    & skf21("5","7","7","1","3","2","1","1") = "6"
    & skf21("5","7","7","1","3","2","2","1") = "6"
    & skf21("5","7","7","1","3","2","3","1") = "6"
    & skf21("5","7","7","1","3","2","4","1") = "6"
    & skf21("5","7","7","1","3","2","5","1") = "6"
    & skf21("5","7","7","1","3","2","6","1") = "6"
    & skf21("5","7","7","1","3","2","7","1") = "6"
    & skf21("5","7","7","1","3","3","1","1") = "6"
    & skf21("5","7","7","1","3","3","2","1") = "6"
    & skf21("5","7","7","1","3","3","3","1") = "6"
    & skf21("5","7","7","1","3","3","4","1") = "6"
    & skf21("5","7","7","1","3","3","5","1") = "6"
    & skf21("5","7","7","1","3","3","6","1") = "6"
    & skf21("5","7","7","1","3","3","7","1") = "6"
    & skf21("5","7","7","1","3","4","1","1") = "6"
    & skf21("5","7","7","1","3","4","2","1") = "6"
    & skf21("5","7","7","1","3","4","3","1") = "6"
    & skf21("5","7","7","1","3","4","4","1") = "6"
    & skf21("5","7","7","1","3","4","5","1") = "6"
    & skf21("5","7","7","1","3","4","6","1") = "6"
    & skf21("5","7","7","1","3","4","7","1") = "6"
    & skf21("5","7","7","1","3","5","1","1") = "6"
    & skf21("5","7","7","1","3","5","2","1") = "6"
    & skf21("5","7","7","1","3","5","3","1") = "6"
    & skf21("5","7","7","1","3","5","4","1") = "6"
    & skf21("5","7","7","1","3","5","5","1") = "6"
    & skf21("5","7","7","1","3","5","6","1") = "6"
    & skf21("5","7","7","1","3","5","7","1") = "6"
    & skf21("5","7","7","1","3","6","1","1") = "6"
    & skf21("5","7","7","1","3","6","2","1") = "6"
    & skf21("5","7","7","1","3","6","3","1") = "6"
    & skf21("5","7","7","1","3","6","4","1") = "6"
    & skf21("5","7","7","1","3","6","5","1") = "6"
    & skf21("5","7","7","1","3","6","6","1") = "6"
    & skf21("5","7","7","1","3","6","7","1") = "6"
    & skf21("5","7","7","1","3","7","1","1") = "6"
    & skf21("5","7","7","1","3","7","2","1") = "6"
    & skf21("5","7","7","1","3","7","3","1") = "6"
    & skf21("5","7","7","1","3","7","4","1") = "6"
    & skf21("5","7","7","1","3","7","5","1") = "6"
    & skf21("5","7","7","1","3","7","6","1") = "6"
    & skf21("5","7","7","1","3","7","7","1") = "6"
    & skf21("5","7","7","1","4","1","1","1") = "6"
    & skf21("5","7","7","1","4","1","2","1") = "6"
    & skf21("5","7","7","1","4","1","3","1") = "6"
    & skf21("5","7","7","1","4","1","4","1") = "6"
    & skf21("5","7","7","1","4","1","5","1") = "6"
    & skf21("5","7","7","1","4","1","6","1") = "6"
    & skf21("5","7","7","1","4","1","7","1") = "6"
    & skf21("5","7","7","1","4","2","1","1") = "6"
    & skf21("5","7","7","1","4","2","2","1") = "6"
    & skf21("5","7","7","1","4","2","3","1") = "6"
    & skf21("5","7","7","1","4","2","4","1") = "6"
    & skf21("5","7","7","1","4","2","5","1") = "6"
    & skf21("5","7","7","1","4","2","6","1") = "6"
    & skf21("5","7","7","1","4","2","7","1") = "6"
    & skf21("5","7","7","1","4","3","1","1") = "6"
    & skf21("5","7","7","1","4","3","2","1") = "6"
    & skf21("5","7","7","1","4","3","3","1") = "6"
    & skf21("5","7","7","1","4","3","4","1") = "6"
    & skf21("5","7","7","1","4","3","5","1") = "6"
    & skf21("5","7","7","1","4","3","6","1") = "6"
    & skf21("5","7","7","1","4","3","7","1") = "6"
    & skf21("5","7","7","1","4","4","1","1") = "6"
    & skf21("5","7","7","1","4","4","2","1") = "6"
    & skf21("5","7","7","1","4","4","3","1") = "6"
    & skf21("5","7","7","1","4","4","4","1") = "6"
    & skf21("5","7","7","1","4","4","5","1") = "6"
    & skf21("5","7","7","1","4","4","6","1") = "6"
    & skf21("5","7","7","1","4","4","7","1") = "6"
    & skf21("5","7","7","1","4","5","1","1") = "6"
    & skf21("5","7","7","1","4","5","2","1") = "6"
    & skf21("5","7","7","1","4","5","3","1") = "6"
    & skf21("5","7","7","1","4","5","4","1") = "6"
    & skf21("5","7","7","1","4","5","5","1") = "6"
    & skf21("5","7","7","1","4","5","6","1") = "6"
    & skf21("5","7","7","1","4","5","7","1") = "6"
    & skf21("5","7","7","1","4","6","1","1") = "6"
    & skf21("5","7","7","1","4","6","2","1") = "6"
    & skf21("5","7","7","1","4","6","3","1") = "6"
    & skf21("5","7","7","1","4","6","4","1") = "6"
    & skf21("5","7","7","1","4","6","5","1") = "6"
    & skf21("5","7","7","1","4","6","6","1") = "6"
    & skf21("5","7","7","1","4","6","7","1") = "6"
    & skf21("5","7","7","1","4","7","1","1") = "6"
    & skf21("5","7","7","1","4","7","2","1") = "6"
    & skf21("5","7","7","1","4","7","3","1") = "6"
    & skf21("5","7","7","1","4","7","4","1") = "6"
    & skf21("5","7","7","1","4","7","5","1") = "6"
    & skf21("5","7","7","1","4","7","6","1") = "6"
    & skf21("5","7","7","1","4","7","7","1") = "6"
    & skf21("5","7","7","1","5","1","1","1") = "6"
    & skf21("5","7","7","1","5","1","2","1") = "6"
    & skf21("5","7","7","1","5","1","3","1") = "6"
    & skf21("5","7","7","1","5","1","4","1") = "6"
    & skf21("5","7","7","1","5","1","5","1") = "6"
    & skf21("5","7","7","1","5","1","6","1") = "6"
    & skf21("5","7","7","1","5","1","7","1") = "6"
    & skf21("5","7","7","1","5","2","1","1") = "6"
    & skf21("5","7","7","1","5","2","2","1") = "6"
    & skf21("5","7","7","1","5","2","3","1") = "6"
    & skf21("5","7","7","1","5","2","4","1") = "6"
    & skf21("5","7","7","1","5","2","5","1") = "6"
    & skf21("5","7","7","1","5","2","6","1") = "6"
    & skf21("5","7","7","1","5","2","7","1") = "6"
    & skf21("5","7","7","1","5","3","1","1") = "6"
    & skf21("5","7","7","1","5","3","2","1") = "6"
    & skf21("5","7","7","1","5","3","3","1") = "6"
    & skf21("5","7","7","1","5","3","4","1") = "6"
    & skf21("5","7","7","1","5","3","5","1") = "6"
    & skf21("5","7","7","1","5","3","6","1") = "6"
    & skf21("5","7","7","1","5","3","7","1") = "6"
    & skf21("5","7","7","1","5","4","1","1") = "6"
    & skf21("5","7","7","1","5","4","2","1") = "6"
    & skf21("5","7","7","1","5","4","3","1") = "6"
    & skf21("5","7","7","1","5","4","4","1") = "6"
    & skf21("5","7","7","1","5","4","5","1") = "6"
    & skf21("5","7","7","1","5","4","6","1") = "6"
    & skf21("5","7","7","1","5","4","7","1") = "6"
    & skf21("5","7","7","1","5","5","1","1") = "6"
    & skf21("5","7","7","1","5","5","2","1") = "6"
    & skf21("5","7","7","1","5","5","3","1") = "6"
    & skf21("5","7","7","1","5","5","4","1") = "6"
    & skf21("5","7","7","1","5","5","5","1") = "6"
    & skf21("5","7","7","1","5","5","6","1") = "6"
    & skf21("5","7","7","1","5","5","7","1") = "6"
    & skf21("5","7","7","1","5","6","1","1") = "6"
    & skf21("5","7","7","1","5","6","2","1") = "6"
    & skf21("5","7","7","1","5","6","3","1") = "6"
    & skf21("5","7","7","1","5","6","4","1") = "6"
    & skf21("5","7","7","1","5","6","5","1") = "6"
    & skf21("5","7","7","1","5","6","6","1") = "6"
    & skf21("5","7","7","1","5","6","7","1") = "6"
    & skf21("5","7","7","1","5","7","1","1") = "6"
    & skf21("5","7","7","1","5","7","2","1") = "6"
    & skf21("5","7","7","1","5","7","3","1") = "6"
    & skf21("5","7","7","1","5","7","4","1") = "6"
    & skf21("5","7","7","1","5","7","5","1") = "6"
    & skf21("5","7","7","1","5","7","6","1") = "6"
    & skf21("5","7","7","1","5","7","7","1") = "6"
    & skf21("5","7","7","1","6","1","1","1") = "6"
    & skf21("5","7","7","1","6","1","2","1") = "6"
    & skf21("5","7","7","1","6","1","3","1") = "6"
    & skf21("5","7","7","1","6","1","4","1") = "6"
    & skf21("5","7","7","1","6","1","5","1") = "6"
    & skf21("5","7","7","1","6","1","6","1") = "6"
    & skf21("5","7","7","1","6","1","7","1") = "6"
    & skf21("5","7","7","1","6","2","1","1") = "6"
    & skf21("5","7","7","1","6","2","2","1") = "6"
    & skf21("5","7","7","1","6","2","3","1") = "6"
    & skf21("5","7","7","1","6","2","4","1") = "6"
    & skf21("5","7","7","1","6","2","5","1") = "6"
    & skf21("5","7","7","1","6","2","6","1") = "6"
    & skf21("5","7","7","1","6","2","7","1") = "6"
    & skf21("5","7","7","1","6","3","1","1") = "6"
    & skf21("5","7","7","1","6","3","2","1") = "6"
    & skf21("5","7","7","1","6","3","3","1") = "6"
    & skf21("5","7","7","1","6","3","4","1") = "6"
    & skf21("5","7","7","1","6","3","5","1") = "6"
    & skf21("5","7","7","1","6","3","6","1") = "6"
    & skf21("5","7","7","1","6","3","7","1") = "6"
    & skf21("5","7","7","1","6","4","1","1") = "6"
    & skf21("5","7","7","1","6","4","2","1") = "6"
    & skf21("5","7","7","1","6","4","3","1") = "6"
    & skf21("5","7","7","1","6","4","4","1") = "6"
    & skf21("5","7","7","1","6","4","5","1") = "6"
    & skf21("5","7","7","1","6","4","6","1") = "6"
    & skf21("5","7","7","1","6","4","7","1") = "6"
    & skf21("5","7","7","1","6","5","1","1") = "6"
    & skf21("5","7","7","1","6","5","2","1") = "6"
    & skf21("5","7","7","1","6","5","3","1") = "6"
    & skf21("5","7","7","1","6","5","4","1") = "6"
    & skf21("5","7","7","1","6","5","5","1") = "6"
    & skf21("5","7","7","1","6","5","6","1") = "6"
    & skf21("5","7","7","1","6","5","7","1") = "6"
    & skf21("5","7","7","1","6","6","1","1") = "6"
    & skf21("5","7","7","1","6","6","2","1") = "6"
    & skf21("5","7","7","1","6","6","3","1") = "6"
    & skf21("5","7","7","1","6","6","4","1") = "6"
    & skf21("5","7","7","1","6","6","5","1") = "6"
    & skf21("5","7","7","1","6","6","6","1") = "6"
    & skf21("5","7","7","1","6","6","7","1") = "6"
    & skf21("5","7","7","1","6","7","1","1") = "6"
    & skf21("5","7","7","1","6","7","2","1") = "6"
    & skf21("5","7","7","1","6","7","3","1") = "6"
    & skf21("5","7","7","1","6","7","4","1") = "6"
    & skf21("5","7","7","1","6","7","5","1") = "6"
    & skf21("5","7","7","1","6","7","6","1") = "6"
    & skf21("5","7","7","1","6","7","7","1") = "6"
    & skf21("5","7","7","1","7","1","1","1") = "6"
    & skf21("5","7","7","1","7","1","2","1") = "6"
    & skf21("5","7","7","1","7","1","3","1") = "6"
    & skf21("5","7","7","1","7","1","4","1") = "6"
    & skf21("5","7","7","1","7","1","5","1") = "6"
    & skf21("5","7","7","1","7","1","6","1") = "6"
    & skf21("5","7","7","1","7","1","7","1") = "6"
    & skf21("5","7","7","1","7","2","1","1") = "6"
    & skf21("5","7","7","1","7","2","2","1") = "6"
    & skf21("5","7","7","1","7","2","3","1") = "6"
    & skf21("5","7","7","1","7","2","4","1") = "6"
    & skf21("5","7","7","1","7","2","5","1") = "6"
    & skf21("5","7","7","1","7","2","6","1") = "6"
    & skf21("5","7","7","1","7","2","7","1") = "6"
    & skf21("5","7","7","1","7","3","1","1") = "6"
    & skf21("5","7","7","1","7","3","2","1") = "6"
    & skf21("5","7","7","1","7","3","3","1") = "6"
    & skf21("5","7","7","1","7","3","4","1") = "6"
    & skf21("5","7","7","1","7","3","5","1") = "6"
    & skf21("5","7","7","1","7","3","6","1") = "6"
    & skf21("5","7","7","1","7","3","7","1") = "6"
    & skf21("5","7","7","1","7","4","1","1") = "6"
    & skf21("5","7","7","1","7","4","2","1") = "6"
    & skf21("5","7","7","1","7","4","3","1") = "6"
    & skf21("5","7","7","1","7","4","4","1") = "6"
    & skf21("5","7","7","1","7","4","5","1") = "6"
    & skf21("5","7","7","1","7","4","6","1") = "6"
    & skf21("5","7","7","1","7","4","7","1") = "6"
    & skf21("5","7","7","1","7","5","1","1") = "6"
    & skf21("5","7","7","1","7","5","2","1") = "6"
    & skf21("5","7","7","1","7","5","3","1") = "6"
    & skf21("5","7","7","1","7","5","4","1") = "6"
    & skf21("5","7","7","1","7","5","5","1") = "6"
    & skf21("5","7","7","1","7","5","6","1") = "6"
    & skf21("5","7","7","1","7","5","7","1") = "6"
    & skf21("5","7","7","1","7","6","1","1") = "6"
    & skf21("5","7","7","1","7","6","2","1") = "6"
    & skf21("5","7","7","1","7","6","3","1") = "6"
    & skf21("5","7","7","1","7","6","4","1") = "6"
    & skf21("5","7","7","1","7","6","5","1") = "6"
    & skf21("5","7","7","1","7","6","6","1") = "6"
    & skf21("5","7","7","1","7","6","7","1") = "6"
    & skf21("5","7","7","1","7","7","1","1") = "6"
    & skf21("5","7","7","1","7","7","2","1") = "6"
    & skf21("5","7","7","1","7","7","3","1") = "6"
    & skf21("5","7","7","1","7","7","4","1") = "6"
    & skf21("5","7","7","1","7","7","5","1") = "6"
    & skf21("5","7","7","1","7","7","6","1") = "6"
    & skf21("5","7","7","1","7","7","7","1") = "6"
    & skf21("5","7","7","2","1","1","1","1") = "6"
    & skf21("5","7","7","2","1","1","2","1") = "6"
    & skf21("5","7","7","2","1","1","3","1") = "6"
    & skf21("5","7","7","2","1","1","4","1") = "6"
    & skf21("5","7","7","2","1","1","5","1") = "6"
    & skf21("5","7","7","2","1","1","6","1") = "6"
    & skf21("5","7","7","2","1","1","7","1") = "6"
    & skf21("5","7","7","2","1","2","1","1") = "6"
    & skf21("5","7","7","2","1","2","2","1") = "6"
    & skf21("5","7","7","2","1","2","3","1") = "6"
    & skf21("5","7","7","2","1","2","4","1") = "6"
    & skf21("5","7","7","2","1","2","5","1") = "6"
    & skf21("5","7","7","2","1","2","6","1") = "6"
    & skf21("5","7","7","2","1","2","7","1") = "6"
    & skf21("5","7","7","2","1","3","1","1") = "6"
    & skf21("5","7","7","2","1","3","2","1") = "6"
    & skf21("5","7","7","2","1","3","3","1") = "6"
    & skf21("5","7","7","2","1","3","4","1") = "6"
    & skf21("5","7","7","2","1","3","5","1") = "6"
    & skf21("5","7","7","2","1","3","6","1") = "6"
    & skf21("5","7","7","2","1","3","7","1") = "6"
    & skf21("5","7","7","2","1","4","1","1") = "6"
    & skf21("5","7","7","2","1","4","2","1") = "6"
    & skf21("5","7","7","2","1","4","3","1") = "6"
    & skf21("5","7","7","2","1","4","4","1") = "6"
    & skf21("5","7","7","2","1","4","5","1") = "6"
    & skf21("5","7","7","2","1","4","6","1") = "6"
    & skf21("5","7","7","2","1","4","7","1") = "6"
    & skf21("5","7","7","2","1","5","1","1") = "6"
    & skf21("5","7","7","2","1","5","2","1") = "6"
    & skf21("5","7","7","2","1","5","3","1") = "6"
    & skf21("5","7","7","2","1","5","4","1") = "6"
    & skf21("5","7","7","2","1","5","5","1") = "6"
    & skf21("5","7","7","2","1","5","6","1") = "6"
    & skf21("5","7","7","2","1","5","7","1") = "6"
    & skf21("5","7","7","2","1","6","1","1") = "6"
    & skf21("5","7","7","2","1","6","2","1") = "6"
    & skf21("5","7","7","2","1","6","3","1") = "6"
    & skf21("5","7","7","2","1","6","4","1") = "6"
    & skf21("5","7","7","2","1","6","5","1") = "6"
    & skf21("5","7","7","2","1","6","6","1") = "6"
    & skf21("5","7","7","2","1","6","7","1") = "6"
    & skf21("5","7","7","2","1","7","1","1") = "6"
    & skf21("5","7","7","2","1","7","2","1") = "6"
    & skf21("5","7","7","2","1","7","3","1") = "6"
    & skf21("5","7","7","2","1","7","4","1") = "6"
    & skf21("5","7","7","2","1","7","5","1") = "6"
    & skf21("5","7","7","2","1","7","6","1") = "6"
    & skf21("5","7","7","2","1","7","7","1") = "6"
    & skf21("5","7","7","2","2","1","1","1") = "6"
    & skf21("5","7","7","2","2","1","2","1") = "6"
    & skf21("5","7","7","2","2","1","3","1") = "6"
    & skf21("5","7","7","2","2","1","4","1") = "6"
    & skf21("5","7","7","2","2","1","5","1") = "6"
    & skf21("5","7","7","2","2","1","6","1") = "6"
    & skf21("5","7","7","2","2","1","7","1") = "6"
    & skf21("5","7","7","2","2","2","1","1") = "6"
    & skf21("5","7","7","2","2","2","2","1") = "6"
    & skf21("5","7","7","2","2","2","3","1") = "6"
    & skf21("5","7","7","2","2","2","4","1") = "6"
    & skf21("5","7","7","2","2","2","5","1") = "6"
    & skf21("5","7","7","2","2","2","6","1") = "6"
    & skf21("5","7","7","2","2","2","7","1") = "6"
    & skf21("5","7","7","2","2","3","1","1") = "6"
    & skf21("5","7","7","2","2","3","2","1") = "6"
    & skf21("5","7","7","2","2","3","3","1") = "6"
    & skf21("5","7","7","2","2","3","4","1") = "6"
    & skf21("5","7","7","2","2","3","5","1") = "6"
    & skf21("5","7","7","2","2","3","6","1") = "6"
    & skf21("5","7","7","2","2","3","7","1") = "6"
    & skf21("5","7","7","2","2","4","1","1") = "6"
    & skf21("5","7","7","2","2","4","2","1") = "6"
    & skf21("5","7","7","2","2","4","3","1") = "6"
    & skf21("5","7","7","2","2","4","4","1") = "6"
    & skf21("5","7","7","2","2","4","5","1") = "6"
    & skf21("5","7","7","2","2","4","6","1") = "6"
    & skf21("5","7","7","2","2","4","7","1") = "6"
    & skf21("5","7","7","2","2","5","1","1") = "6"
    & skf21("5","7","7","2","2","5","2","1") = "6"
    & skf21("5","7","7","2","2","5","3","1") = "6"
    & skf21("5","7","7","2","2","5","4","1") = "6"
    & skf21("5","7","7","2","2","5","5","1") = "6"
    & skf21("5","7","7","2","2","5","6","1") = "6"
    & skf21("5","7","7","2","2","5","7","1") = "6"
    & skf21("5","7","7","2","2","6","1","1") = "6"
    & skf21("5","7","7","2","2","6","2","1") = "6"
    & skf21("5","7","7","2","2","6","3","1") = "6"
    & skf21("5","7","7","2","2","6","4","1") = "6"
    & skf21("5","7","7","2","2","6","5","1") = "6"
    & skf21("5","7","7","2","2","6","6","1") = "6"
    & skf21("5","7","7","2","2","6","7","1") = "6"
    & skf21("5","7","7","2","2","7","1","1") = "6"
    & skf21("5","7","7","2","2","7","2","1") = "6"
    & skf21("5","7","7","2","2","7","3","1") = "6"
    & skf21("5","7","7","2","2","7","4","1") = "6"
    & skf21("5","7","7","2","2","7","5","1") = "6"
    & skf21("5","7","7","2","2","7","6","1") = "6"
    & skf21("5","7","7","2","2","7","7","1") = "6"
    & skf21("5","7","7","2","3","1","1","1") = "6"
    & skf21("5","7","7","2","3","1","2","1") = "6"
    & skf21("5","7","7","2","3","1","3","1") = "6"
    & skf21("5","7","7","2","3","1","4","1") = "6"
    & skf21("5","7","7","2","3","1","5","1") = "6"
    & skf21("5","7","7","2","3","1","6","1") = "6"
    & skf21("5","7","7","2","3","1","7","1") = "6"
    & skf21("5","7","7","2","3","2","1","1") = "6"
    & skf21("5","7","7","2","3","2","2","1") = "6"
    & skf21("5","7","7","2","3","2","3","1") = "6"
    & skf21("5","7","7","2","3","2","4","1") = "6"
    & skf21("5","7","7","2","3","2","5","1") = "6"
    & skf21("5","7","7","2","3","2","6","1") = "6"
    & skf21("5","7","7","2","3","2","7","1") = "6"
    & skf21("5","7","7","2","3","3","1","1") = "6"
    & skf21("5","7","7","2","3","3","2","1") = "6"
    & skf21("5","7","7","2","3","3","3","1") = "6"
    & skf21("5","7","7","2","3","3","4","1") = "6"
    & skf21("5","7","7","2","3","3","5","1") = "6"
    & skf21("5","7","7","2","3","3","6","1") = "6"
    & skf21("5","7","7","2","3","3","7","1") = "6"
    & skf21("5","7","7","2","3","4","1","1") = "6"
    & skf21("5","7","7","2","3","4","2","1") = "6"
    & skf21("5","7","7","2","3","4","3","1") = "6"
    & skf21("5","7","7","2","3","4","4","1") = "6"
    & skf21("5","7","7","2","3","4","5","1") = "6"
    & skf21("5","7","7","2","3","4","6","1") = "6"
    & skf21("5","7","7","2","3","4","7","1") = "6"
    & skf21("5","7","7","2","3","5","1","1") = "6"
    & skf21("5","7","7","2","3","5","2","1") = "6"
    & skf21("5","7","7","2","3","5","3","1") = "6"
    & skf21("5","7","7","2","3","5","4","1") = "6"
    & skf21("5","7","7","2","3","5","5","1") = "6"
    & skf21("5","7","7","2","3","5","6","1") = "6"
    & skf21("5","7","7","2","3","5","7","1") = "6"
    & skf21("5","7","7","2","3","6","1","1") = "6"
    & skf21("5","7","7","2","3","6","2","1") = "6"
    & skf21("5","7","7","2","3","6","3","1") = "6"
    & skf21("5","7","7","2","3","6","4","1") = "6"
    & skf21("5","7","7","2","3","6","5","1") = "6"
    & skf21("5","7","7","2","3","6","6","1") = "6"
    & skf21("5","7","7","2","3","6","7","1") = "6"
    & skf21("5","7","7","2","3","7","1","1") = "6"
    & skf21("5","7","7","2","3","7","2","1") = "6"
    & skf21("5","7","7","2","3","7","3","1") = "6"
    & skf21("5","7","7","2","3","7","4","1") = "6"
    & skf21("5","7","7","2","3","7","5","1") = "6"
    & skf21("5","7","7","2","3","7","6","1") = "6"
    & skf21("5","7","7","2","3","7","7","1") = "6"
    & skf21("5","7","7","2","4","1","1","1") = "6"
    & skf21("5","7","7","2","4","1","2","1") = "6"
    & skf21("5","7","7","2","4","1","3","1") = "6"
    & skf21("5","7","7","2","4","1","4","1") = "6"
    & skf21("5","7","7","2","4","1","5","1") = "6"
    & skf21("5","7","7","2","4","1","6","1") = "6"
    & skf21("5","7","7","2","4","1","7","1") = "6"
    & skf21("5","7","7","2","4","2","1","1") = "6"
    & skf21("5","7","7","2","4","2","2","1") = "6"
    & skf21("5","7","7","2","4","2","3","1") = "6"
    & skf21("5","7","7","2","4","2","4","1") = "6"
    & skf21("5","7","7","2","4","2","5","1") = "6"
    & skf21("5","7","7","2","4","2","6","1") = "6"
    & skf21("5","7","7","2","4","2","7","1") = "6"
    & skf21("5","7","7","2","4","3","1","1") = "6"
    & skf21("5","7","7","2","4","3","2","1") = "6"
    & skf21("5","7","7","2","4","3","3","1") = "6"
    & skf21("5","7","7","2","4","3","4","1") = "6"
    & skf21("5","7","7","2","4","3","5","1") = "6"
    & skf21("5","7","7","2","4","3","6","1") = "6"
    & skf21("5","7","7","2","4","3","7","1") = "6"
    & skf21("5","7","7","2","4","4","1","1") = "6"
    & skf21("5","7","7","2","4","4","2","1") = "6"
    & skf21("5","7","7","2","4","4","3","1") = "6"
    & skf21("5","7","7","2","4","4","4","1") = "6"
    & skf21("5","7","7","2","4","4","5","1") = "6"
    & skf21("5","7","7","2","4","4","6","1") = "6"
    & skf21("5","7","7","2","4","4","7","1") = "6"
    & skf21("5","7","7","2","4","5","1","1") = "6"
    & skf21("5","7","7","2","4","5","2","1") = "6"
    & skf21("5","7","7","2","4","5","3","1") = "6"
    & skf21("5","7","7","2","4","5","4","1") = "6"
    & skf21("5","7","7","2","4","5","5","1") = "6"
    & skf21("5","7","7","2","4","5","6","1") = "6"
    & skf21("5","7","7","2","4","5","7","1") = "6"
    & skf21("5","7","7","2","4","6","1","1") = "6"
    & skf21("5","7","7","2","4","6","2","1") = "6"
    & skf21("5","7","7","2","4","6","3","1") = "6"
    & skf21("5","7","7","2","4","6","4","1") = "6"
    & skf21("5","7","7","2","4","6","5","1") = "6"
    & skf21("5","7","7","2","4","6","6","1") = "6"
    & skf21("5","7","7","2","4","6","7","1") = "6"
    & skf21("5","7","7","2","4","7","1","1") = "6"
    & skf21("5","7","7","2","4","7","2","1") = "6"
    & skf21("5","7","7","2","4","7","3","1") = "6"
    & skf21("5","7","7","2","4","7","4","1") = "6"
    & skf21("5","7","7","2","4","7","5","1") = "6"
    & skf21("5","7","7","2","4","7","6","1") = "6"
    & skf21("5","7","7","2","4","7","7","1") = "6"
    & skf21("5","7","7","2","5","1","1","1") = "6"
    & skf21("5","7","7","2","5","1","2","1") = "6"
    & skf21("5","7","7","2","5","1","3","1") = "6"
    & skf21("5","7","7","2","5","1","4","1") = "6"
    & skf21("5","7","7","2","5","1","5","1") = "6"
    & skf21("5","7","7","2","5","1","6","1") = "6"
    & skf21("5","7","7","2","5","1","7","1") = "6"
    & skf21("5","7","7","2","5","2","1","1") = "6"
    & skf21("5","7","7","2","5","2","2","1") = "6"
    & skf21("5","7","7","2","5","2","3","1") = "6"
    & skf21("5","7","7","2","5","2","4","1") = "6"
    & skf21("5","7","7","2","5","2","5","1") = "6"
    & skf21("5","7","7","2","5","2","6","1") = "6"
    & skf21("5","7","7","2","5","2","7","1") = "6"
    & skf21("5","7","7","2","5","3","1","1") = "6"
    & skf21("5","7","7","2","5","3","2","1") = "6"
    & skf21("5","7","7","2","5","3","3","1") = "6"
    & skf21("5","7","7","2","5","3","4","1") = "6"
    & skf21("5","7","7","2","5","3","5","1") = "6"
    & skf21("5","7","7","2","5","3","6","1") = "6"
    & skf21("5","7","7","2","5","3","7","1") = "6"
    & skf21("5","7","7","2","5","4","1","1") = "6"
    & skf21("5","7","7","2","5","4","2","1") = "6"
    & skf21("5","7","7","2","5","4","3","1") = "6"
    & skf21("5","7","7","2","5","4","4","1") = "6"
    & skf21("5","7","7","2","5","4","5","1") = "6"
    & skf21("5","7","7","2","5","4","6","1") = "6"
    & skf21("5","7","7","2","5","4","7","1") = "6"
    & skf21("5","7","7","2","5","5","1","1") = "6"
    & skf21("5","7","7","2","5","5","2","1") = "6"
    & skf21("5","7","7","2","5","5","3","1") = "6"
    & skf21("5","7","7","2","5","5","4","1") = "6"
    & skf21("5","7","7","2","5","5","5","1") = "6"
    & skf21("5","7","7","2","5","5","6","1") = "6"
    & skf21("5","7","7","2","5","5","7","1") = "6"
    & skf21("5","7","7","2","5","6","1","1") = "6"
    & skf21("5","7","7","2","5","6","2","1") = "6"
    & skf21("5","7","7","2","5","6","3","1") = "6"
    & skf21("5","7","7","2","5","6","4","1") = "6"
    & skf21("5","7","7","2","5","6","5","1") = "6"
    & skf21("5","7","7","2","5","6","6","1") = "6"
    & skf21("5","7","7","2","5","6","7","1") = "6"
    & skf21("5","7","7","2","5","7","1","1") = "6"
    & skf21("5","7","7","2","5","7","2","1") = "6"
    & skf21("5","7","7","2","5","7","3","1") = "6"
    & skf21("5","7","7","2","5","7","4","1") = "6"
    & skf21("5","7","7","2","5","7","5","1") = "6"
    & skf21("5","7","7","2","5","7","6","1") = "6"
    & skf21("5","7","7","2","5","7","7","1") = "6"
    & skf21("5","7","7","2","6","1","1","1") = "6"
    & skf21("5","7","7","2","6","1","2","1") = "6"
    & skf21("5","7","7","2","6","1","3","1") = "6"
    & skf21("5","7","7","2","6","1","4","1") = "6"
    & skf21("5","7","7","2","6","1","5","1") = "6"
    & skf21("5","7","7","2","6","1","6","1") = "6"
    & skf21("5","7","7","2","6","1","7","1") = "6"
    & skf21("5","7","7","2","6","2","1","1") = "6"
    & skf21("5","7","7","2","6","2","2","1") = "6"
    & skf21("5","7","7","2","6","2","3","1") = "6"
    & skf21("5","7","7","2","6","2","4","1") = "6"
    & skf21("5","7","7","2","6","2","5","1") = "6"
    & skf21("5","7","7","2","6","2","6","1") = "6"
    & skf21("5","7","7","2","6","2","7","1") = "6"
    & skf21("5","7","7","2","6","3","1","1") = "6"
    & skf21("5","7","7","2","6","3","2","1") = "6"
    & skf21("5","7","7","2","6","3","3","1") = "6"
    & skf21("5","7","7","2","6","3","4","1") = "6"
    & skf21("5","7","7","2","6","3","5","1") = "6"
    & skf21("5","7","7","2","6","3","6","1") = "6"
    & skf21("5","7","7","2","6","3","7","1") = "6"
    & skf21("5","7","7","2","6","4","1","1") = "6"
    & skf21("5","7","7","2","6","4","2","1") = "6"
    & skf21("5","7","7","2","6","4","3","1") = "6"
    & skf21("5","7","7","2","6","4","4","1") = "6"
    & skf21("5","7","7","2","6","4","5","1") = "6"
    & skf21("5","7","7","2","6","4","6","1") = "6"
    & skf21("5","7","7","2","6","4","7","1") = "6"
    & skf21("5","7","7","2","6","5","1","1") = "6"
    & skf21("5","7","7","2","6","5","2","1") = "6"
    & skf21("5","7","7","2","6","5","3","1") = "6"
    & skf21("5","7","7","2","6","5","4","1") = "6"
    & skf21("5","7","7","2","6","5","5","1") = "6"
    & skf21("5","7","7","2","6","5","6","1") = "6"
    & skf21("5","7","7","2","6","5","7","1") = "6"
    & skf21("5","7","7","2","6","6","1","1") = "6"
    & skf21("5","7","7","2","6","6","2","1") = "6"
    & skf21("5","7","7","2","6","6","3","1") = "6"
    & skf21("5","7","7","2","6","6","4","1") = "6"
    & skf21("5","7","7","2","6","6","5","1") = "6"
    & skf21("5","7","7","2","6","6","6","1") = "6"
    & skf21("5","7","7","2","6","6","7","1") = "6"
    & skf21("5","7","7","2","6","7","1","1") = "6"
    & skf21("5","7","7","2","6","7","2","1") = "6"
    & skf21("5","7","7","2","6","7","3","1") = "6"
    & skf21("5","7","7","2","6","7","4","1") = "6"
    & skf21("5","7","7","2","6","7","5","1") = "6"
    & skf21("5","7","7","2","6","7","6","1") = "6"
    & skf21("5","7","7","2","6","7","7","1") = "6"
    & skf21("5","7","7","2","7","1","1","1") = "6"
    & skf21("5","7","7","2","7","1","2","1") = "6"
    & skf21("5","7","7","2","7","1","3","1") = "6"
    & skf21("5","7","7","2","7","1","4","1") = "6"
    & skf21("5","7","7","2","7","1","5","1") = "6"
    & skf21("5","7","7","2","7","1","6","1") = "6"
    & skf21("5","7","7","2","7","1","7","1") = "6"
    & skf21("5","7","7","2","7","2","1","1") = "6"
    & skf21("5","7","7","2","7","2","2","1") = "6"
    & skf21("5","7","7","2","7","2","3","1") = "6"
    & skf21("5","7","7","2","7","2","4","1") = "6"
    & skf21("5","7","7","2","7","2","5","1") = "6"
    & skf21("5","7","7","2","7","2","6","1") = "6"
    & skf21("5","7","7","2","7","2","7","1") = "6"
    & skf21("5","7","7","2","7","3","1","1") = "6"
    & skf21("5","7","7","2","7","3","2","1") = "6"
    & skf21("5","7","7","2","7","3","3","1") = "6"
    & skf21("5","7","7","2","7","3","4","1") = "6"
    & skf21("5","7","7","2","7","3","5","1") = "6"
    & skf21("5","7","7","2","7","3","6","1") = "6"
    & skf21("5","7","7","2","7","3","7","1") = "6"
    & skf21("5","7","7","2","7","4","1","1") = "6"
    & skf21("5","7","7","2","7","4","2","1") = "6"
    & skf21("5","7","7","2","7","4","3","1") = "6"
    & skf21("5","7","7","2","7","4","4","1") = "6"
    & skf21("5","7","7","2","7","4","5","1") = "6"
    & skf21("5","7","7","2","7","4","6","1") = "6"
    & skf21("5","7","7","2","7","4","7","1") = "6"
    & skf21("5","7","7","2","7","5","1","1") = "6"
    & skf21("5","7","7","2","7","5","2","1") = "6"
    & skf21("5","7","7","2","7","5","3","1") = "6"
    & skf21("5","7","7","2","7","5","4","1") = "6"
    & skf21("5","7","7","2","7","5","5","1") = "6"
    & skf21("5","7","7","2","7","5","6","1") = "6"
    & skf21("5","7","7","2","7","5","7","1") = "6"
    & skf21("5","7","7","2","7","6","1","1") = "6"
    & skf21("5","7","7","2","7","6","2","1") = "6"
    & skf21("5","7","7","2","7","6","3","1") = "6"
    & skf21("5","7","7","2","7","6","4","1") = "6"
    & skf21("5","7","7","2","7","6","5","1") = "6"
    & skf21("5","7","7","2","7","6","6","1") = "6"
    & skf21("5","7","7","2","7","6","7","1") = "6"
    & skf21("5","7","7","2","7","7","1","1") = "6"
    & skf21("5","7","7","2","7","7","2","1") = "6"
    & skf21("5","7","7","2","7","7","3","1") = "6"
    & skf21("5","7","7","2","7","7","4","1") = "6"
    & skf21("5","7","7","2","7","7","5","1") = "6"
    & skf21("5","7","7","2","7","7","6","1") = "6"
    & skf21("5","7","7","2","7","7","7","1") = "6"
    & skf21("5","7","7","3","1","1","1","1") = "6"
    & skf21("5","7","7","3","1","1","2","1") = "6"
    & skf21("5","7","7","3","1","1","3","1") = "6"
    & skf21("5","7","7","3","1","1","4","1") = "6"
    & skf21("5","7","7","3","1","1","5","1") = "6"
    & skf21("5","7","7","3","1","1","6","1") = "6"
    & skf21("5","7","7","3","1","1","7","1") = "6"
    & skf21("5","7","7","3","1","2","1","1") = "6"
    & skf21("5","7","7","3","1","2","2","1") = "6"
    & skf21("5","7","7","3","1","2","3","1") = "6"
    & skf21("5","7","7","3","1","2","4","1") = "6"
    & skf21("5","7","7","3","1","2","5","1") = "6"
    & skf21("5","7","7","3","1","2","6","1") = "6"
    & skf21("5","7","7","3","1","2","7","1") = "6"
    & skf21("5","7","7","3","1","3","1","1") = "6"
    & skf21("5","7","7","3","1","3","2","1") = "6"
    & skf21("5","7","7","3","1","3","3","1") = "6"
    & skf21("5","7","7","3","1","3","4","1") = "6"
    & skf21("5","7","7","3","1","3","5","1") = "6"
    & skf21("5","7","7","3","1","3","6","1") = "6"
    & skf21("5","7","7","3","1","3","7","1") = "6"
    & skf21("5","7","7","3","1","4","1","1") = "6"
    & skf21("5","7","7","3","1","4","2","1") = "6"
    & skf21("5","7","7","3","1","4","3","1") = "6"
    & skf21("5","7","7","3","1","4","4","1") = "6"
    & skf21("5","7","7","3","1","4","5","1") = "6"
    & skf21("5","7","7","3","1","4","6","1") = "6"
    & skf21("5","7","7","3","1","4","7","1") = "6"
    & skf21("5","7","7","3","1","5","1","1") = "6"
    & skf21("5","7","7","3","1","5","2","1") = "6"
    & skf21("5","7","7","3","1","5","3","1") = "6"
    & skf21("5","7","7","3","1","5","4","1") = "6"
    & skf21("5","7","7","3","1","5","5","1") = "6"
    & skf21("5","7","7","3","1","5","6","1") = "6"
    & skf21("5","7","7","3","1","5","7","1") = "6"
    & skf21("5","7","7","3","1","6","1","1") = "6"
    & skf21("5","7","7","3","1","6","2","1") = "6"
    & skf21("5","7","7","3","1","6","3","1") = "6"
    & skf21("5","7","7","3","1","6","4","1") = "6"
    & skf21("5","7","7","3","1","6","5","1") = "6"
    & skf21("5","7","7","3","1","6","6","1") = "6"
    & skf21("5","7","7","3","1","6","7","1") = "6"
    & skf21("5","7","7","3","1","7","1","1") = "6"
    & skf21("5","7","7","3","1","7","2","1") = "6"
    & skf21("5","7","7","3","1","7","3","1") = "6"
    & skf21("5","7","7","3","1","7","4","1") = "6"
    & skf21("5","7","7","3","1","7","5","1") = "6"
    & skf21("5","7","7","3","1","7","6","1") = "6"
    & skf21("5","7","7","3","1","7","7","1") = "6"
    & skf21("5","7","7","3","2","1","1","1") = "6"
    & skf21("5","7","7","3","2","1","2","1") = "6"
    & skf21("5","7","7","3","2","1","3","1") = "6"
    & skf21("5","7","7","3","2","1","4","1") = "6"
    & skf21("5","7","7","3","2","1","5","1") = "6"
    & skf21("5","7","7","3","2","1","6","1") = "6"
    & skf21("5","7","7","3","2","1","7","1") = "6"
    & skf21("5","7","7","3","2","2","1","1") = "6"
    & skf21("5","7","7","3","2","2","2","1") = "6"
    & skf21("5","7","7","3","2","2","3","1") = "6"
    & skf21("5","7","7","3","2","2","4","1") = "6"
    & skf21("5","7","7","3","2","2","5","1") = "6"
    & skf21("5","7","7","3","2","2","6","1") = "6"
    & skf21("5","7","7","3","2","2","7","1") = "6"
    & skf21("5","7","7","3","2","3","1","1") = "6"
    & skf21("5","7","7","3","2","3","2","1") = "6"
    & skf21("5","7","7","3","2","3","3","1") = "6"
    & skf21("5","7","7","3","2","3","4","1") = "6"
    & skf21("5","7","7","3","2","3","5","1") = "6"
    & skf21("5","7","7","3","2","3","6","1") = "6"
    & skf21("5","7","7","3","2","3","7","1") = "6"
    & skf21("5","7","7","3","2","4","1","1") = "6"
    & skf21("5","7","7","3","2","4","2","1") = "6"
    & skf21("5","7","7","3","2","4","3","1") = "6"
    & skf21("5","7","7","3","2","4","4","1") = "6"
    & skf21("5","7","7","3","2","4","5","1") = "6"
    & skf21("5","7","7","3","2","4","6","1") = "6"
    & skf21("5","7","7","3","2","4","7","1") = "6"
    & skf21("5","7","7","3","2","5","1","1") = "6"
    & skf21("5","7","7","3","2","5","2","1") = "6"
    & skf21("5","7","7","3","2","5","3","1") = "6"
    & skf21("5","7","7","3","2","5","4","1") = "6"
    & skf21("5","7","7","3","2","5","5","1") = "6"
    & skf21("5","7","7","3","2","5","6","1") = "6"
    & skf21("5","7","7","3","2","5","7","1") = "6"
    & skf21("5","7","7","3","2","6","1","1") = "6"
    & skf21("5","7","7","3","2","6","2","1") = "6"
    & skf21("5","7","7","3","2","6","3","1") = "6"
    & skf21("5","7","7","3","2","6","4","1") = "6"
    & skf21("5","7","7","3","2","6","5","1") = "6"
    & skf21("5","7","7","3","2","6","6","1") = "6"
    & skf21("5","7","7","3","2","6","7","1") = "6"
    & skf21("5","7","7","3","2","7","1","1") = "6"
    & skf21("5","7","7","3","2","7","2","1") = "6"
    & skf21("5","7","7","3","2","7","3","1") = "6"
    & skf21("5","7","7","3","2","7","4","1") = "6"
    & skf21("5","7","7","3","2","7","5","1") = "6"
    & skf21("5","7","7","3","2","7","6","1") = "6"
    & skf21("5","7","7","3","2","7","7","1") = "6"
    & skf21("5","7","7","3","3","1","1","1") = "6"
    & skf21("5","7","7","3","3","1","2","1") = "6"
    & skf21("5","7","7","3","3","1","3","1") = "6"
    & skf21("5","7","7","3","3","1","4","1") = "6"
    & skf21("5","7","7","3","3","1","5","1") = "6"
    & skf21("5","7","7","3","3","1","6","1") = "6"
    & skf21("5","7","7","3","3","1","7","1") = "6"
    & skf21("5","7","7","3","3","2","1","1") = "6"
    & skf21("5","7","7","3","3","2","2","1") = "6"
    & skf21("5","7","7","3","3","2","3","1") = "6"
    & skf21("5","7","7","3","3","2","4","1") = "6"
    & skf21("5","7","7","3","3","2","5","1") = "6"
    & skf21("5","7","7","3","3","2","6","1") = "6"
    & skf21("5","7","7","3","3","2","7","1") = "6"
    & skf21("5","7","7","3","3","3","1","1") = "6"
    & skf21("5","7","7","3","3","3","2","1") = "6"
    & skf21("5","7","7","3","3","3","3","1") = "6"
    & skf21("5","7","7","3","3","3","4","1") = "6"
    & skf21("5","7","7","3","3","3","5","1") = "6"
    & skf21("5","7","7","3","3","3","6","1") = "6"
    & skf21("5","7","7","3","3","3","7","1") = "6"
    & skf21("5","7","7","3","3","4","1","1") = "6"
    & skf21("5","7","7","3","3","4","2","1") = "6"
    & skf21("5","7","7","3","3","4","3","1") = "6"
    & skf21("5","7","7","3","3","4","4","1") = "6"
    & skf21("5","7","7","3","3","4","5","1") = "6"
    & skf21("5","7","7","3","3","4","6","1") = "6"
    & skf21("5","7","7","3","3","4","7","1") = "6"
    & skf21("5","7","7","3","3","5","1","1") = "6"
    & skf21("5","7","7","3","3","5","2","1") = "6"
    & skf21("5","7","7","3","3","5","3","1") = "6"
    & skf21("5","7","7","3","3","5","4","1") = "6"
    & skf21("5","7","7","3","3","5","5","1") = "6"
    & skf21("5","7","7","3","3","5","6","1") = "6"
    & skf21("5","7","7","3","3","5","7","1") = "6"
    & skf21("5","7","7","3","3","6","1","1") = "6"
    & skf21("5","7","7","3","3","6","2","1") = "6"
    & skf21("5","7","7","3","3","6","3","1") = "6"
    & skf21("5","7","7","3","3","6","4","1") = "6"
    & skf21("5","7","7","3","3","6","5","1") = "6"
    & skf21("5","7","7","3","3","6","6","1") = "6"
    & skf21("5","7","7","3","3","6","7","1") = "6"
    & skf21("5","7","7","3","3","7","1","1") = "6"
    & skf21("5","7","7","3","3","7","2","1") = "6"
    & skf21("5","7","7","3","3","7","3","1") = "6"
    & skf21("5","7","7","3","3","7","4","1") = "6"
    & skf21("5","7","7","3","3","7","5","1") = "6"
    & skf21("5","7","7","3","3","7","6","1") = "6"
    & skf21("5","7","7","3","3","7","7","1") = "6"
    & skf21("5","7","7","3","4","1","1","1") = "6"
    & skf21("5","7","7","3","4","1","2","1") = "6"
    & skf21("5","7","7","3","4","1","3","1") = "6"
    & skf21("5","7","7","3","4","1","4","1") = "6"
    & skf21("5","7","7","3","4","1","5","1") = "6"
    & skf21("5","7","7","3","4","1","6","1") = "6"
    & skf21("5","7","7","3","4","1","7","1") = "6"
    & skf21("5","7","7","3","4","2","1","1") = "6"
    & skf21("5","7","7","3","4","2","2","1") = "6"
    & skf21("5","7","7","3","4","2","3","1") = "6"
    & skf21("5","7","7","3","4","2","4","1") = "6"
    & skf21("5","7","7","3","4","2","5","1") = "6"
    & skf21("5","7","7","3","4","2","6","1") = "6"
    & skf21("5","7","7","3","4","2","7","1") = "6"
    & skf21("5","7","7","3","4","3","1","1") = "6"
    & skf21("5","7","7","3","4","3","2","1") = "6"
    & skf21("5","7","7","3","4","3","3","1") = "6"
    & skf21("5","7","7","3","4","3","4","1") = "6"
    & skf21("5","7","7","3","4","3","5","1") = "6"
    & skf21("5","7","7","3","4","3","6","1") = "6"
    & skf21("5","7","7","3","4","3","7","1") = "6"
    & skf21("5","7","7","3","4","4","1","1") = "6"
    & skf21("5","7","7","3","4","4","2","1") = "6"
    & skf21("5","7","7","3","4","4","3","1") = "6"
    & skf21("5","7","7","3","4","4","4","1") = "6"
    & skf21("5","7","7","3","4","4","5","1") = "6"
    & skf21("5","7","7","3","4","4","6","1") = "6"
    & skf21("5","7","7","3","4","4","7","1") = "6"
    & skf21("5","7","7","3","4","5","1","1") = "6"
    & skf21("5","7","7","3","4","5","2","1") = "6"
    & skf21("5","7","7","3","4","5","3","1") = "6"
    & skf21("5","7","7","3","4","5","4","1") = "6"
    & skf21("5","7","7","3","4","5","5","1") = "6"
    & skf21("5","7","7","3","4","5","6","1") = "6"
    & skf21("5","7","7","3","4","5","7","1") = "6"
    & skf21("5","7","7","3","4","6","1","1") = "6"
    & skf21("5","7","7","3","4","6","2","1") = "6"
    & skf21("5","7","7","3","4","6","3","1") = "6"
    & skf21("5","7","7","3","4","6","4","1") = "6"
    & skf21("5","7","7","3","4","6","5","1") = "6"
    & skf21("5","7","7","3","4","6","6","1") = "6"
    & skf21("5","7","7","3","4","6","7","1") = "6"
    & skf21("5","7","7","3","4","7","1","1") = "6"
    & skf21("5","7","7","3","4","7","2","1") = "6"
    & skf21("5","7","7","3","4","7","3","1") = "6"
    & skf21("5","7","7","3","4","7","4","1") = "6"
    & skf21("5","7","7","3","4","7","5","1") = "6"
    & skf21("5","7","7","3","4","7","6","1") = "6"
    & skf21("5","7","7","3","4","7","7","1") = "6"
    & skf21("5","7","7","3","5","1","1","1") = "6"
    & skf21("5","7","7","3","5","1","2","1") = "6"
    & skf21("5","7","7","3","5","1","3","1") = "6"
    & skf21("5","7","7","3","5","1","4","1") = "6"
    & skf21("5","7","7","3","5","1","5","1") = "6"
    & skf21("5","7","7","3","5","1","6","1") = "6"
    & skf21("5","7","7","3","5","1","7","1") = "6"
    & skf21("5","7","7","3","5","2","1","1") = "6"
    & skf21("5","7","7","3","5","2","2","1") = "6"
    & skf21("5","7","7","3","5","2","3","1") = "6"
    & skf21("5","7","7","3","5","2","4","1") = "6"
    & skf21("5","7","7","3","5","2","5","1") = "6"
    & skf21("5","7","7","3","5","2","6","1") = "6"
    & skf21("5","7","7","3","5","2","7","1") = "6"
    & skf21("5","7","7","3","5","3","1","1") = "6"
    & skf21("5","7","7","3","5","3","2","1") = "6"
    & skf21("5","7","7","3","5","3","3","1") = "6"
    & skf21("5","7","7","3","5","3","4","1") = "6"
    & skf21("5","7","7","3","5","3","5","1") = "6"
    & skf21("5","7","7","3","5","3","6","1") = "6"
    & skf21("5","7","7","3","5","3","7","1") = "6"
    & skf21("5","7","7","3","5","4","1","1") = "6"
    & skf21("5","7","7","3","5","4","2","1") = "6"
    & skf21("5","7","7","3","5","4","3","1") = "6"
    & skf21("5","7","7","3","5","4","4","1") = "6"
    & skf21("5","7","7","3","5","4","5","1") = "6"
    & skf21("5","7","7","3","5","4","6","1") = "6"
    & skf21("5","7","7","3","5","4","7","1") = "6"
    & skf21("5","7","7","3","5","5","1","1") = "6"
    & skf21("5","7","7","3","5","5","2","1") = "6"
    & skf21("5","7","7","3","5","5","3","1") = "6"
    & skf21("5","7","7","3","5","5","4","1") = "6"
    & skf21("5","7","7","3","5","5","5","1") = "6"
    & skf21("5","7","7","3","5","5","6","1") = "6"
    & skf21("5","7","7","3","5","5","7","1") = "6"
    & skf21("5","7","7","3","5","6","1","1") = "6"
    & skf21("5","7","7","3","5","6","2","1") = "6"
    & skf21("5","7","7","3","5","6","3","1") = "6"
    & skf21("5","7","7","3","5","6","4","1") = "6"
    & skf21("5","7","7","3","5","6","5","1") = "6"
    & skf21("5","7","7","3","5","6","6","1") = "6"
    & skf21("5","7","7","3","5","6","7","1") = "6"
    & skf21("5","7","7","3","5","7","1","1") = "6"
    & skf21("5","7","7","3","5","7","2","1") = "6"
    & skf21("5","7","7","3","5","7","3","1") = "6"
    & skf21("5","7","7","3","5","7","4","1") = "6"
    & skf21("5","7","7","3","5","7","5","1") = "6"
    & skf21("5","7","7","3","5","7","6","1") = "6"
    & skf21("5","7","7","3","5","7","7","1") = "6"
    & skf21("5","7","7","3","6","1","1","1") = "6"
    & skf21("5","7","7","3","6","1","2","1") = "6"
    & skf21("5","7","7","3","6","1","3","1") = "6"
    & skf21("5","7","7","3","6","1","4","1") = "6"
    & skf21("5","7","7","3","6","1","5","1") = "6"
    & skf21("5","7","7","3","6","1","6","1") = "6"
    & skf21("5","7","7","3","6","1","7","1") = "6"
    & skf21("5","7","7","3","6","2","1","1") = "6"
    & skf21("5","7","7","3","6","2","2","1") = "6"
    & skf21("5","7","7","3","6","2","3","1") = "6"
    & skf21("5","7","7","3","6","2","4","1") = "6"
    & skf21("5","7","7","3","6","2","5","1") = "6"
    & skf21("5","7","7","3","6","2","6","1") = "6"
    & skf21("5","7","7","3","6","2","7","1") = "6"
    & skf21("5","7","7","3","6","3","1","1") = "6"
    & skf21("5","7","7","3","6","3","2","1") = "6"
    & skf21("5","7","7","3","6","3","3","1") = "6"
    & skf21("5","7","7","3","6","3","4","1") = "6"
    & skf21("5","7","7","3","6","3","5","1") = "6"
    & skf21("5","7","7","3","6","3","6","1") = "6"
    & skf21("5","7","7","3","6","3","7","1") = "6"
    & skf21("5","7","7","3","6","4","1","1") = "6"
    & skf21("5","7","7","3","6","4","2","1") = "6"
    & skf21("5","7","7","3","6","4","3","1") = "6"
    & skf21("5","7","7","3","6","4","4","1") = "6"
    & skf21("5","7","7","3","6","4","5","1") = "6"
    & skf21("5","7","7","3","6","4","6","1") = "6"
    & skf21("5","7","7","3","6","4","7","1") = "6"
    & skf21("5","7","7","3","6","5","1","1") = "6"
    & skf21("5","7","7","3","6","5","2","1") = "6"
    & skf21("5","7","7","3","6","5","3","1") = "6"
    & skf21("5","7","7","3","6","5","4","1") = "6"
    & skf21("5","7","7","3","6","5","5","1") = "6"
    & skf21("5","7","7","3","6","5","6","1") = "6"
    & skf21("5","7","7","3","6","5","7","1") = "6"
    & skf21("5","7","7","3","6","6","1","1") = "6"
    & skf21("5","7","7","3","6","6","2","1") = "6"
    & skf21("5","7","7","3","6","6","3","1") = "6"
    & skf21("5","7","7","3","6","6","4","1") = "6"
    & skf21("5","7","7","3","6","6","5","1") = "6"
    & skf21("5","7","7","3","6","6","6","1") = "6"
    & skf21("5","7","7","3","6","6","7","1") = "6"
    & skf21("5","7","7","3","6","7","1","1") = "6"
    & skf21("5","7","7","3","6","7","2","1") = "6"
    & skf21("5","7","7","3","6","7","3","1") = "6"
    & skf21("5","7","7","3","6","7","4","1") = "6"
    & skf21("5","7","7","3","6","7","5","1") = "6"
    & skf21("5","7","7","3","6","7","6","1") = "6"
    & skf21("5","7","7","3","6","7","7","1") = "6"
    & skf21("5","7","7","3","7","1","1","1") = "6"
    & skf21("5","7","7","3","7","1","2","1") = "6"
    & skf21("5","7","7","3","7","1","3","1") = "6"
    & skf21("5","7","7","3","7","1","4","1") = "6"
    & skf21("5","7","7","3","7","1","5","1") = "6"
    & skf21("5","7","7","3","7","1","6","1") = "6"
    & skf21("5","7","7","3","7","1","7","1") = "6"
    & skf21("5","7","7","3","7","2","1","1") = "6"
    & skf21("5","7","7","3","7","2","2","1") = "6"
    & skf21("5","7","7","3","7","2","3","1") = "6"
    & skf21("5","7","7","3","7","2","4","1") = "6"
    & skf21("5","7","7","3","7","2","5","1") = "6"
    & skf21("5","7","7","3","7","2","6","1") = "6"
    & skf21("5","7","7","3","7","2","7","1") = "6"
    & skf21("5","7","7","3","7","3","1","1") = "6"
    & skf21("5","7","7","3","7","3","2","1") = "6"
    & skf21("5","7","7","3","7","3","3","1") = "6"
    & skf21("5","7","7","3","7","3","4","1") = "6"
    & skf21("5","7","7","3","7","3","5","1") = "6"
    & skf21("5","7","7","3","7","3","6","1") = "6"
    & skf21("5","7","7","3","7","3","7","1") = "6"
    & skf21("5","7","7","3","7","4","1","1") = "6"
    & skf21("5","7","7","3","7","4","2","1") = "6"
    & skf21("5","7","7","3","7","4","3","1") = "6"
    & skf21("5","7","7","3","7","4","4","1") = "6"
    & skf21("5","7","7","3","7","4","5","1") = "6"
    & skf21("5","7","7","3","7","4","6","1") = "6"
    & skf21("5","7","7","3","7","4","7","1") = "6"
    & skf21("5","7","7","3","7","5","1","1") = "6"
    & skf21("5","7","7","3","7","5","2","1") = "6"
    & skf21("5","7","7","3","7","5","3","1") = "6"
    & skf21("5","7","7","3","7","5","4","1") = "6"
    & skf21("5","7","7","3","7","5","5","1") = "6"
    & skf21("5","7","7","3","7","5","6","1") = "6"
    & skf21("5","7","7","3","7","5","7","1") = "6"
    & skf21("5","7","7","3","7","6","1","1") = "6"
    & skf21("5","7","7","3","7","6","2","1") = "6"
    & skf21("5","7","7","3","7","6","3","1") = "6"
    & skf21("5","7","7","3","7","6","4","1") = "6"
    & skf21("5","7","7","3","7","6","5","1") = "6"
    & skf21("5","7","7","3","7","6","6","1") = "6"
    & skf21("5","7","7","3","7","6","7","1") = "6"
    & skf21("5","7","7","3","7","7","1","1") = "6"
    & skf21("5","7","7","3","7","7","2","1") = "6"
    & skf21("5","7","7","3","7","7","3","1") = "6"
    & skf21("5","7","7","3","7","7","4","1") = "6"
    & skf21("5","7","7","3","7","7","5","1") = "6"
    & skf21("5","7","7","3","7","7","6","1") = "6"
    & skf21("5","7","7","3","7","7","7","1") = "6"
    & skf21("5","7","7","4","1","1","1","1") = "6"
    & skf21("5","7","7","4","1","1","2","1") = "6"
    & skf21("5","7","7","4","1","1","3","1") = "6"
    & skf21("5","7","7","4","1","1","4","1") = "6"
    & skf21("5","7","7","4","1","1","5","1") = "6"
    & skf21("5","7","7","4","1","1","6","1") = "6"
    & skf21("5","7","7","4","1","1","7","1") = "6"
    & skf21("5","7","7","4","1","2","1","1") = "6"
    & skf21("5","7","7","4","1","2","2","1") = "6"
    & skf21("5","7","7","4","1","2","3","1") = "6"
    & skf21("5","7","7","4","1","2","4","1") = "6"
    & skf21("5","7","7","4","1","2","5","1") = "6"
    & skf21("5","7","7","4","1","2","6","1") = "6"
    & skf21("5","7","7","4","1","2","7","1") = "6"
    & skf21("5","7","7","4","1","3","1","1") = "6"
    & skf21("5","7","7","4","1","3","2","1") = "6"
    & skf21("5","7","7","4","1","3","3","1") = "6"
    & skf21("5","7","7","4","1","3","4","1") = "6"
    & skf21("5","7","7","4","1","3","5","1") = "6"
    & skf21("5","7","7","4","1","3","6","1") = "6"
    & skf21("5","7","7","4","1","3","7","1") = "6"
    & skf21("5","7","7","4","1","4","1","1") = "6"
    & skf21("5","7","7","4","1","4","2","1") = "6"
    & skf21("5","7","7","4","1","4","3","1") = "6"
    & skf21("5","7","7","4","1","4","4","1") = "6"
    & skf21("5","7","7","4","1","4","5","1") = "6"
    & skf21("5","7","7","4","1","4","6","1") = "6"
    & skf21("5","7","7","4","1","4","7","1") = "6"
    & skf21("5","7","7","4","1","5","1","1") = "6"
    & skf21("5","7","7","4","1","5","2","1") = "6"
    & skf21("5","7","7","4","1","5","3","1") = "6"
    & skf21("5","7","7","4","1","5","4","1") = "6"
    & skf21("5","7","7","4","1","5","5","1") = "6"
    & skf21("5","7","7","4","1","5","6","1") = "6"
    & skf21("5","7","7","4","1","5","7","1") = "6"
    & skf21("5","7","7","4","1","6","1","1") = "6"
    & skf21("5","7","7","4","1","6","2","1") = "6"
    & skf21("5","7","7","4","1","6","3","1") = "6"
    & skf21("5","7","7","4","1","6","4","1") = "6"
    & skf21("5","7","7","4","1","6","5","1") = "6"
    & skf21("5","7","7","4","1","6","6","1") = "6"
    & skf21("5","7","7","4","1","6","7","1") = "6"
    & skf21("5","7","7","4","1","7","1","1") = "6"
    & skf21("5","7","7","4","1","7","2","1") = "6"
    & skf21("5","7","7","4","1","7","3","1") = "6"
    & skf21("5","7","7","4","1","7","4","1") = "6"
    & skf21("5","7","7","4","1","7","5","1") = "6"
    & skf21("5","7","7","4","1","7","6","1") = "6"
    & skf21("5","7","7","4","1","7","7","1") = "6"
    & skf21("5","7","7","4","2","1","1","1") = "6"
    & skf21("5","7","7","4","2","1","2","1") = "6"
    & skf21("5","7","7","4","2","1","3","1") = "6"
    & skf21("5","7","7","4","2","1","4","1") = "6"
    & skf21("5","7","7","4","2","1","5","1") = "6"
    & skf21("5","7","7","4","2","1","6","1") = "6"
    & skf21("5","7","7","4","2","1","7","1") = "6"
    & skf21("5","7","7","4","2","2","1","1") = "6"
    & skf21("5","7","7","4","2","2","2","1") = "6"
    & skf21("5","7","7","4","2","2","3","1") = "6"
    & skf21("5","7","7","4","2","2","4","1") = "6"
    & skf21("5","7","7","4","2","2","5","1") = "6"
    & skf21("5","7","7","4","2","2","6","1") = "6"
    & skf21("5","7","7","4","2","2","7","1") = "6"
    & skf21("5","7","7","4","2","3","1","1") = "6"
    & skf21("5","7","7","4","2","3","2","1") = "6"
    & skf21("5","7","7","4","2","3","3","1") = "6"
    & skf21("5","7","7","4","2","3","4","1") = "6"
    & skf21("5","7","7","4","2","3","5","1") = "6"
    & skf21("5","7","7","4","2","3","6","1") = "6"
    & skf21("5","7","7","4","2","3","7","1") = "6"
    & skf21("5","7","7","4","2","4","1","1") = "6"
    & skf21("5","7","7","4","2","4","2","1") = "6"
    & skf21("5","7","7","4","2","4","3","1") = "6"
    & skf21("5","7","7","4","2","4","4","1") = "6"
    & skf21("5","7","7","4","2","4","5","1") = "6"
    & skf21("5","7","7","4","2","4","6","1") = "6"
    & skf21("5","7","7","4","2","4","7","1") = "6"
    & skf21("5","7","7","4","2","5","1","1") = "6"
    & skf21("5","7","7","4","2","5","2","1") = "6"
    & skf21("5","7","7","4","2","5","3","1") = "6"
    & skf21("5","7","7","4","2","5","4","1") = "6"
    & skf21("5","7","7","4","2","5","5","1") = "6"
    & skf21("5","7","7","4","2","5","6","1") = "6"
    & skf21("5","7","7","4","2","5","7","1") = "6"
    & skf21("5","7","7","4","2","6","1","1") = "6"
    & skf21("5","7","7","4","2","6","2","1") = "6"
    & skf21("5","7","7","4","2","6","3","1") = "6"
    & skf21("5","7","7","4","2","6","4","1") = "6"
    & skf21("5","7","7","4","2","6","5","1") = "6"
    & skf21("5","7","7","4","2","6","6","1") = "6"
    & skf21("5","7","7","4","2","6","7","1") = "6"
    & skf21("5","7","7","4","2","7","1","1") = "6"
    & skf21("5","7","7","4","2","7","2","1") = "6"
    & skf21("5","7","7","4","2","7","3","1") = "6"
    & skf21("5","7","7","4","2","7","4","1") = "6"
    & skf21("5","7","7","4","2","7","5","1") = "6"
    & skf21("5","7","7","4","2","7","6","1") = "6"
    & skf21("5","7","7","4","2","7","7","1") = "6"
    & skf21("5","7","7","4","3","1","1","1") = "6"
    & skf21("5","7","7","4","3","1","2","1") = "6"
    & skf21("5","7","7","4","3","1","3","1") = "6"
    & skf21("5","7","7","4","3","1","4","1") = "6"
    & skf21("5","7","7","4","3","1","5","1") = "6"
    & skf21("5","7","7","4","3","1","6","1") = "6"
    & skf21("5","7","7","4","3","1","7","1") = "6"
    & skf21("5","7","7","4","3","2","1","1") = "6"
    & skf21("5","7","7","4","3","2","2","1") = "6"
    & skf21("5","7","7","4","3","2","3","1") = "6"
    & skf21("5","7","7","4","3","2","4","1") = "6"
    & skf21("5","7","7","4","3","2","5","1") = "6"
    & skf21("5","7","7","4","3","2","6","1") = "6"
    & skf21("5","7","7","4","3","2","7","1") = "6"
    & skf21("5","7","7","4","3","3","1","1") = "6"
    & skf21("5","7","7","4","3","3","2","1") = "6"
    & skf21("5","7","7","4","3","3","3","1") = "6"
    & skf21("5","7","7","4","3","3","4","1") = "6"
    & skf21("5","7","7","4","3","3","5","1") = "6"
    & skf21("5","7","7","4","3","3","6","1") = "6"
    & skf21("5","7","7","4","3","3","7","1") = "6"
    & skf21("5","7","7","4","3","4","1","1") = "6"
    & skf21("5","7","7","4","3","4","2","1") = "6"
    & skf21("5","7","7","4","3","4","3","1") = "6"
    & skf21("5","7","7","4","3","4","4","1") = "6"
    & skf21("5","7","7","4","3","4","5","1") = "6"
    & skf21("5","7","7","4","3","4","6","1") = "6"
    & skf21("5","7","7","4","3","4","7","1") = "6"
    & skf21("5","7","7","4","3","5","1","1") = "6"
    & skf21("5","7","7","4","3","5","2","1") = "6"
    & skf21("5","7","7","4","3","5","3","1") = "6"
    & skf21("5","7","7","4","3","5","4","1") = "6"
    & skf21("5","7","7","4","3","5","5","1") = "6"
    & skf21("5","7","7","4","3","5","6","1") = "6"
    & skf21("5","7","7","4","3","5","7","1") = "6"
    & skf21("5","7","7","4","3","6","1","1") = "6"
    & skf21("5","7","7","4","3","6","2","1") = "6"
    & skf21("5","7","7","4","3","6","3","1") = "6"
    & skf21("5","7","7","4","3","6","4","1") = "6"
    & skf21("5","7","7","4","3","6","5","1") = "6"
    & skf21("5","7","7","4","3","6","6","1") = "6"
    & skf21("5","7","7","4","3","6","7","1") = "6"
    & skf21("5","7","7","4","3","7","1","1") = "6"
    & skf21("5","7","7","4","3","7","2","1") = "6"
    & skf21("5","7","7","4","3","7","3","1") = "6"
    & skf21("5","7","7","4","3","7","4","1") = "6"
    & skf21("5","7","7","4","3","7","5","1") = "6"
    & skf21("5","7","7","4","3","7","6","1") = "6"
    & skf21("5","7","7","4","3","7","7","1") = "6"
    & skf21("5","7","7","4","4","1","1","1") = "6"
    & skf21("5","7","7","4","4","1","2","1") = "6"
    & skf21("5","7","7","4","4","1","3","1") = "6"
    & skf21("5","7","7","4","4","1","4","1") = "6"
    & skf21("5","7","7","4","4","1","5","1") = "6"
    & skf21("5","7","7","4","4","1","6","1") = "6"
    & skf21("5","7","7","4","4","1","7","1") = "6"
    & skf21("5","7","7","4","4","2","1","1") = "6"
    & skf21("5","7","7","4","4","2","2","1") = "6"
    & skf21("5","7","7","4","4","2","3","1") = "6"
    & skf21("5","7","7","4","4","2","4","1") = "6"
    & skf21("5","7","7","4","4","2","5","1") = "6"
    & skf21("5","7","7","4","4","2","6","1") = "6"
    & skf21("5","7","7","4","4","2","7","1") = "6"
    & skf21("5","7","7","4","4","3","1","1") = "6"
    & skf21("5","7","7","4","4","3","2","1") = "6"
    & skf21("5","7","7","4","4","3","3","1") = "6"
    & skf21("5","7","7","4","4","3","4","1") = "6"
    & skf21("5","7","7","4","4","3","5","1") = "6"
    & skf21("5","7","7","4","4","3","6","1") = "6"
    & skf21("5","7","7","4","4","3","7","1") = "6"
    & skf21("5","7","7","4","4","4","1","1") = "6"
    & skf21("5","7","7","4","4","4","2","1") = "6"
    & skf21("5","7","7","4","4","4","3","1") = "6"
    & skf21("5","7","7","4","4","4","4","1") = "6"
    & skf21("5","7","7","4","4","4","5","1") = "6"
    & skf21("5","7","7","4","4","4","6","1") = "6"
    & skf21("5","7","7","4","4","4","7","1") = "6"
    & skf21("5","7","7","4","4","5","1","1") = "6"
    & skf21("5","7","7","4","4","5","2","1") = "6"
    & skf21("5","7","7","4","4","5","3","1") = "6"
    & skf21("5","7","7","4","4","5","4","1") = "6"
    & skf21("5","7","7","4","4","5","5","1") = "6"
    & skf21("5","7","7","4","4","5","6","1") = "6"
    & skf21("5","7","7","4","4","5","7","1") = "6"
    & skf21("5","7","7","4","4","6","1","1") = "6"
    & skf21("5","7","7","4","4","6","2","1") = "6"
    & skf21("5","7","7","4","4","6","3","1") = "6"
    & skf21("5","7","7","4","4","6","4","1") = "6"
    & skf21("5","7","7","4","4","6","5","1") = "6"
    & skf21("5","7","7","4","4","6","6","1") = "6"
    & skf21("5","7","7","4","4","6","7","1") = "6"
    & skf21("5","7","7","4","4","7","1","1") = "6"
    & skf21("5","7","7","4","4","7","2","1") = "6"
    & skf21("5","7","7","4","4","7","3","1") = "6"
    & skf21("5","7","7","4","4","7","4","1") = "6"
    & skf21("5","7","7","4","4","7","5","1") = "6"
    & skf21("5","7","7","4","4","7","6","1") = "6"
    & skf21("5","7","7","4","4","7","7","1") = "6"
    & skf21("5","7","7","4","5","1","1","1") = "6"
    & skf21("5","7","7","4","5","1","2","1") = "6"
    & skf21("5","7","7","4","5","1","3","1") = "6"
    & skf21("5","7","7","4","5","1","4","1") = "6"
    & skf21("5","7","7","4","5","1","5","1") = "6"
    & skf21("5","7","7","4","5","1","6","1") = "6"
    & skf21("5","7","7","4","5","1","7","1") = "6"
    & skf21("5","7","7","4","5","2","1","1") = "6"
    & skf21("5","7","7","4","5","2","2","1") = "6"
    & skf21("5","7","7","4","5","2","3","1") = "6"
    & skf21("5","7","7","4","5","2","4","1") = "6"
    & skf21("5","7","7","4","5","2","5","1") = "6"
    & skf21("5","7","7","4","5","2","6","1") = "6"
    & skf21("5","7","7","4","5","2","7","1") = "6"
    & skf21("5","7","7","4","5","3","1","1") = "6"
    & skf21("5","7","7","4","5","3","2","1") = "6"
    & skf21("5","7","7","4","5","3","3","1") = "6"
    & skf21("5","7","7","4","5","3","4","1") = "6"
    & skf21("5","7","7","4","5","3","5","1") = "6"
    & skf21("5","7","7","4","5","3","6","1") = "6"
    & skf21("5","7","7","4","5","3","7","1") = "6"
    & skf21("5","7","7","4","5","4","1","1") = "6"
    & skf21("5","7","7","4","5","4","2","1") = "6"
    & skf21("5","7","7","4","5","4","3","1") = "6"
    & skf21("5","7","7","4","5","4","4","1") = "6"
    & skf21("5","7","7","4","5","4","5","1") = "6"
    & skf21("5","7","7","4","5","4","6","1") = "6"
    & skf21("5","7","7","4","5","4","7","1") = "6"
    & skf21("5","7","7","4","5","5","1","1") = "6"
    & skf21("5","7","7","4","5","5","2","1") = "6"
    & skf21("5","7","7","4","5","5","3","1") = "6"
    & skf21("5","7","7","4","5","5","4","1") = "6"
    & skf21("5","7","7","4","5","5","5","1") = "6"
    & skf21("5","7","7","4","5","5","6","1") = "6"
    & skf21("5","7","7","4","5","5","7","1") = "6"
    & skf21("5","7","7","4","5","6","1","1") = "6"
    & skf21("5","7","7","4","5","6","2","1") = "6"
    & skf21("5","7","7","4","5","6","3","1") = "6"
    & skf21("5","7","7","4","5","6","4","1") = "6"
    & skf21("5","7","7","4","5","6","5","1") = "6"
    & skf21("5","7","7","4","5","6","6","1") = "6"
    & skf21("5","7","7","4","5","6","7","1") = "6"
    & skf21("5","7","7","4","5","7","1","1") = "6"
    & skf21("5","7","7","4","5","7","2","1") = "6"
    & skf21("5","7","7","4","5","7","3","1") = "6"
    & skf21("5","7","7","4","5","7","4","1") = "6"
    & skf21("5","7","7","4","5","7","5","1") = "6"
    & skf21("5","7","7","4","5","7","6","1") = "6"
    & skf21("5","7","7","4","5","7","7","1") = "6"
    & skf21("5","7","7","4","6","1","1","1") = "6"
    & skf21("5","7","7","4","6","1","2","1") = "6"
    & skf21("5","7","7","4","6","1","3","1") = "6"
    & skf21("5","7","7","4","6","1","4","1") = "6"
    & skf21("5","7","7","4","6","1","5","1") = "6"
    & skf21("5","7","7","4","6","1","6","1") = "6"
    & skf21("5","7","7","4","6","1","7","1") = "6"
    & skf21("5","7","7","4","6","2","1","1") = "6"
    & skf21("5","7","7","4","6","2","2","1") = "6"
    & skf21("5","7","7","4","6","2","3","1") = "6"
    & skf21("5","7","7","4","6","2","4","1") = "6"
    & skf21("5","7","7","4","6","2","5","1") = "6"
    & skf21("5","7","7","4","6","2","6","1") = "6"
    & skf21("5","7","7","4","6","2","7","1") = "6"
    & skf21("5","7","7","4","6","3","1","1") = "6"
    & skf21("5","7","7","4","6","3","2","1") = "6"
    & skf21("5","7","7","4","6","3","3","1") = "6"
    & skf21("5","7","7","4","6","3","4","1") = "6"
    & skf21("5","7","7","4","6","3","5","1") = "6"
    & skf21("5","7","7","4","6","3","6","1") = "6"
    & skf21("5","7","7","4","6","3","7","1") = "6"
    & skf21("5","7","7","4","6","4","1","1") = "6"
    & skf21("5","7","7","4","6","4","2","1") = "6"
    & skf21("5","7","7","4","6","4","3","1") = "6"
    & skf21("5","7","7","4","6","4","4","1") = "6"
    & skf21("5","7","7","4","6","4","5","1") = "6"
    & skf21("5","7","7","4","6","4","6","1") = "6"
    & skf21("5","7","7","4","6","4","7","1") = "6"
    & skf21("5","7","7","4","6","5","1","1") = "6"
    & skf21("5","7","7","4","6","5","2","1") = "6"
    & skf21("5","7","7","4","6","5","3","1") = "6"
    & skf21("5","7","7","4","6","5","4","1") = "6"
    & skf21("5","7","7","4","6","5","5","1") = "6"
    & skf21("5","7","7","4","6","5","6","1") = "6"
    & skf21("5","7","7","4","6","5","7","1") = "6"
    & skf21("5","7","7","4","6","6","1","1") = "6"
    & skf21("5","7","7","4","6","6","2","1") = "6"
    & skf21("5","7","7","4","6","6","3","1") = "6"
    & skf21("5","7","7","4","6","6","4","1") = "6"
    & skf21("5","7","7","4","6","6","5","1") = "6"
    & skf21("5","7","7","4","6","6","6","1") = "6"
    & skf21("5","7","7","4","6","6","7","1") = "6"
    & skf21("5","7","7","4","6","7","1","1") = "6"
    & skf21("5","7","7","4","6","7","2","1") = "6"
    & skf21("5","7","7","4","6","7","3","1") = "6"
    & skf21("5","7","7","4","6","7","4","1") = "6"
    & skf21("5","7","7","4","6","7","5","1") = "6"
    & skf21("5","7","7","4","6","7","6","1") = "6"
    & skf21("5","7","7","4","6","7","7","1") = "6"
    & skf21("5","7","7","4","7","1","1","1") = "6"
    & skf21("5","7","7","4","7","1","2","1") = "6"
    & skf21("5","7","7","4","7","1","3","1") = "6"
    & skf21("5","7","7","4","7","1","4","1") = "6"
    & skf21("5","7","7","4","7","1","5","1") = "6"
    & skf21("5","7","7","4","7","1","6","1") = "6"
    & skf21("5","7","7","4","7","1","7","1") = "6"
    & skf21("5","7","7","4","7","2","1","1") = "6"
    & skf21("5","7","7","4","7","2","2","1") = "6"
    & skf21("5","7","7","4","7","2","3","1") = "6"
    & skf21("5","7","7","4","7","2","4","1") = "6"
    & skf21("5","7","7","4","7","2","5","1") = "6"
    & skf21("5","7","7","4","7","2","6","1") = "6"
    & skf21("5","7","7","4","7","2","7","1") = "6"
    & skf21("5","7","7","4","7","3","1","1") = "6"
    & skf21("5","7","7","4","7","3","2","1") = "6"
    & skf21("5","7","7","4","7","3","3","1") = "6"
    & skf21("5","7","7","4","7","3","4","1") = "6"
    & skf21("5","7","7","4","7","3","5","1") = "6"
    & skf21("5","7","7","4","7","3","6","1") = "6"
    & skf21("5","7","7","4","7","3","7","1") = "6"
    & skf21("5","7","7","4","7","4","1","1") = "6"
    & skf21("5","7","7","4","7","4","2","1") = "6"
    & skf21("5","7","7","4","7","4","3","1") = "6"
    & skf21("5","7","7","4","7","4","4","1") = "6"
    & skf21("5","7","7","4","7","4","5","1") = "6"
    & skf21("5","7","7","4","7","4","6","1") = "6"
    & skf21("5","7","7","4","7","4","7","1") = "6"
    & skf21("5","7","7","4","7","5","1","1") = "6"
    & skf21("5","7","7","4","7","5","2","1") = "6"
    & skf21("5","7","7","4","7","5","3","1") = "6"
    & skf21("5","7","7","4","7","5","4","1") = "6"
    & skf21("5","7","7","4","7","5","5","1") = "6"
    & skf21("5","7","7","4","7","5","6","1") = "6"
    & skf21("5","7","7","4","7","5","7","1") = "6"
    & skf21("5","7","7","4","7","6","1","1") = "6"
    & skf21("5","7","7","4","7","6","2","1") = "6"
    & skf21("5","7","7","4","7","6","3","1") = "6"
    & skf21("5","7","7","4","7","6","4","1") = "6"
    & skf21("5","7","7","4","7","6","5","1") = "6"
    & skf21("5","7","7","4","7","6","6","1") = "6"
    & skf21("5","7","7","4","7","6","7","1") = "6"
    & skf21("5","7","7","4","7","7","1","1") = "6"
    & skf21("5","7","7","4","7","7","2","1") = "6"
    & skf21("5","7","7","4","7","7","3","1") = "6"
    & skf21("5","7","7","4","7","7","4","1") = "6"
    & skf21("5","7","7","4","7","7","5","1") = "6"
    & skf21("5","7","7","4","7","7","6","1") = "6"
    & skf21("5","7","7","4","7","7","7","1") = "6"
    & skf21("5","7","7","5","1","1","1","1") = "6"
    & skf21("5","7","7","5","1","1","2","1") = "6"
    & skf21("5","7","7","5","1","1","3","1") = "6"
    & skf21("5","7","7","5","1","1","4","1") = "6"
    & skf21("5","7","7","5","1","1","5","1") = "6"
    & skf21("5","7","7","5","1","1","6","1") = "6"
    & skf21("5","7","7","5","1","1","7","1") = "6"
    & skf21("5","7","7","5","1","2","1","1") = "6"
    & skf21("5","7","7","5","1","2","2","1") = "6"
    & skf21("5","7","7","5","1","2","3","1") = "6"
    & skf21("5","7","7","5","1","2","4","1") = "6"
    & skf21("5","7","7","5","1","2","5","1") = "6"
    & skf21("5","7","7","5","1","2","6","1") = "6"
    & skf21("5","7","7","5","1","2","7","1") = "6"
    & skf21("5","7","7","5","1","3","1","1") = "6"
    & skf21("5","7","7","5","1","3","2","1") = "6"
    & skf21("5","7","7","5","1","3","3","1") = "6"
    & skf21("5","7","7","5","1","3","4","1") = "6"
    & skf21("5","7","7","5","1","3","5","1") = "6"
    & skf21("5","7","7","5","1","3","6","1") = "6"
    & skf21("5","7","7","5","1","3","7","1") = "6"
    & skf21("5","7","7","5","1","4","1","1") = "6"
    & skf21("5","7","7","5","1","4","2","1") = "6"
    & skf21("5","7","7","5","1","4","3","1") = "6"
    & skf21("5","7","7","5","1","4","4","1") = "6"
    & skf21("5","7","7","5","1","4","5","1") = "6"
    & skf21("5","7","7","5","1","4","6","1") = "6"
    & skf21("5","7","7","5","1","4","7","1") = "6"
    & skf21("5","7","7","5","1","5","1","1") = "6"
    & skf21("5","7","7","5","1","5","2","1") = "6"
    & skf21("5","7","7","5","1","5","3","1") = "6"
    & skf21("5","7","7","5","1","5","4","1") = "6"
    & skf21("5","7","7","5","1","5","5","1") = "6"
    & skf21("5","7","7","5","1","5","6","1") = "6"
    & skf21("5","7","7","5","1","5","7","1") = "6"
    & skf21("5","7","7","5","1","6","1","1") = "6"
    & skf21("5","7","7","5","1","6","2","1") = "6"
    & skf21("5","7","7","5","1","6","3","1") = "6"
    & skf21("5","7","7","5","1","6","4","1") = "6"
    & skf21("5","7","7","5","1","6","5","1") = "6"
    & skf21("5","7","7","5","1","6","6","1") = "6"
    & skf21("5","7","7","5","1","6","7","1") = "6"
    & skf21("5","7","7","5","1","7","1","1") = "6"
    & skf21("5","7","7","5","1","7","2","1") = "6"
    & skf21("5","7","7","5","1","7","3","1") = "6"
    & skf21("5","7","7","5","1","7","4","1") = "6"
    & skf21("5","7","7","5","1","7","5","1") = "6"
    & skf21("5","7","7","5","1","7","6","1") = "6"
    & skf21("5","7","7","5","1","7","7","1") = "6"
    & skf21("5","7","7","5","2","1","1","1") = "6"
    & skf21("5","7","7","5","2","1","2","1") = "6"
    & skf21("5","7","7","5","2","1","3","1") = "6"
    & skf21("5","7","7","5","2","1","4","1") = "6"
    & skf21("5","7","7","5","2","1","5","1") = "6"
    & skf21("5","7","7","5","2","1","6","1") = "6"
    & skf21("5","7","7","5","2","1","7","1") = "6"
    & skf21("5","7","7","5","2","2","1","1") = "6"
    & skf21("5","7","7","5","2","2","2","1") = "6"
    & skf21("5","7","7","5","2","2","3","1") = "6"
    & skf21("5","7","7","5","2","2","4","1") = "6"
    & skf21("5","7","7","5","2","2","5","1") = "6"
    & skf21("5","7","7","5","2","2","6","1") = "6"
    & skf21("5","7","7","5","2","2","7","1") = "6"
    & skf21("5","7","7","5","2","3","1","1") = "6"
    & skf21("5","7","7","5","2","3","2","1") = "6"
    & skf21("5","7","7","5","2","3","3","1") = "6"
    & skf21("5","7","7","5","2","3","4","1") = "6"
    & skf21("5","7","7","5","2","3","5","1") = "6"
    & skf21("5","7","7","5","2","3","6","1") = "6"
    & skf21("5","7","7","5","2","3","7","1") = "6"
    & skf21("5","7","7","5","2","4","1","1") = "6"
    & skf21("5","7","7","5","2","4","2","1") = "6"
    & skf21("5","7","7","5","2","4","3","1") = "6"
    & skf21("5","7","7","5","2","4","4","1") = "6"
    & skf21("5","7","7","5","2","4","5","1") = "6"
    & skf21("5","7","7","5","2","4","6","1") = "6"
    & skf21("5","7","7","5","2","4","7","1") = "6"
    & skf21("5","7","7","5","2","5","1","1") = "6"
    & skf21("5","7","7","5","2","5","2","1") = "6"
    & skf21("5","7","7","5","2","5","3","1") = "6"
    & skf21("5","7","7","5","2","5","4","1") = "6"
    & skf21("5","7","7","5","2","5","5","1") = "6"
    & skf21("5","7","7","5","2","5","6","1") = "6"
    & skf21("5","7","7","5","2","5","7","1") = "6"
    & skf21("5","7","7","5","2","6","1","1") = "6"
    & skf21("5","7","7","5","2","6","2","1") = "6"
    & skf21("5","7","7","5","2","6","3","1") = "6"
    & skf21("5","7","7","5","2","6","4","1") = "6"
    & skf21("5","7","7","5","2","6","5","1") = "6"
    & skf21("5","7","7","5","2","6","6","1") = "6"
    & skf21("5","7","7","5","2","6","7","1") = "6"
    & skf21("5","7","7","5","2","7","1","1") = "6"
    & skf21("5","7","7","5","2","7","2","1") = "6"
    & skf21("5","7","7","5","2","7","3","1") = "6"
    & skf21("5","7","7","5","2","7","4","1") = "6"
    & skf21("5","7","7","5","2","7","5","1") = "6"
    & skf21("5","7","7","5","2","7","6","1") = "6"
    & skf21("5","7","7","5","2","7","7","1") = "6"
    & skf21("5","7","7","5","3","1","1","1") = "6"
    & skf21("5","7","7","5","3","1","2","1") = "6"
    & skf21("5","7","7","5","3","1","3","1") = "6"
    & skf21("5","7","7","5","3","1","4","1") = "6"
    & skf21("5","7","7","5","3","1","5","1") = "6"
    & skf21("5","7","7","5","3","1","6","1") = "6"
    & skf21("5","7","7","5","3","1","7","1") = "6"
    & skf21("5","7","7","5","3","2","1","1") = "6"
    & skf21("5","7","7","5","3","2","2","1") = "6"
    & skf21("5","7","7","5","3","2","3","1") = "6"
    & skf21("5","7","7","5","3","2","4","1") = "6"
    & skf21("5","7","7","5","3","2","5","1") = "6"
    & skf21("5","7","7","5","3","2","6","1") = "6"
    & skf21("5","7","7","5","3","2","7","1") = "6"
    & skf21("5","7","7","5","3","3","1","1") = "6"
    & skf21("5","7","7","5","3","3","2","1") = "6"
    & skf21("5","7","7","5","3","3","3","1") = "6"
    & skf21("5","7","7","5","3","3","4","1") = "6"
    & skf21("5","7","7","5","3","3","5","1") = "6"
    & skf21("5","7","7","5","3","3","6","1") = "6"
    & skf21("5","7","7","5","3","3","7","1") = "6"
    & skf21("5","7","7","5","3","4","1","1") = "6"
    & skf21("5","7","7","5","3","4","2","1") = "6"
    & skf21("5","7","7","5","3","4","3","1") = "6"
    & skf21("5","7","7","5","3","4","4","1") = "6"
    & skf21("5","7","7","5","3","4","5","1") = "6"
    & skf21("5","7","7","5","3","4","6","1") = "6"
    & skf21("5","7","7","5","3","4","7","1") = "6"
    & skf21("5","7","7","5","3","5","1","1") = "6"
    & skf21("5","7","7","5","3","5","2","1") = "6"
    & skf21("5","7","7","5","3","5","3","1") = "6"
    & skf21("5","7","7","5","3","5","4","1") = "6"
    & skf21("5","7","7","5","3","5","5","1") = "6"
    & skf21("5","7","7","5","3","5","6","1") = "6"
    & skf21("5","7","7","5","3","5","7","1") = "6"
    & skf21("5","7","7","5","3","6","1","1") = "6"
    & skf21("5","7","7","5","3","6","2","1") = "6"
    & skf21("5","7","7","5","3","6","3","1") = "6"
    & skf21("5","7","7","5","3","6","4","1") = "6"
    & skf21("5","7","7","5","3","6","5","1") = "6"
    & skf21("5","7","7","5","3","6","6","1") = "6"
    & skf21("5","7","7","5","3","6","7","1") = "6"
    & skf21("5","7","7","5","3","7","1","1") = "6"
    & skf21("5","7","7","5","3","7","2","1") = "6"
    & skf21("5","7","7","5","3","7","3","1") = "6"
    & skf21("5","7","7","5","3","7","4","1") = "6"
    & skf21("5","7","7","5","3","7","5","1") = "6"
    & skf21("5","7","7","5","3","7","6","1") = "6"
    & skf21("5","7","7","5","3","7","7","1") = "6"
    & skf21("5","7","7","5","4","1","1","1") = "6"
    & skf21("5","7","7","5","4","1","2","1") = "6"
    & skf21("5","7","7","5","4","1","3","1") = "6"
    & skf21("5","7","7","5","4","1","4","1") = "6"
    & skf21("5","7","7","5","4","1","5","1") = "6"
    & skf21("5","7","7","5","4","1","6","1") = "6"
    & skf21("5","7","7","5","4","1","7","1") = "6"
    & skf21("5","7","7","5","4","2","1","1") = "6"
    & skf21("5","7","7","5","4","2","2","1") = "6"
    & skf21("5","7","7","5","4","2","3","1") = "6"
    & skf21("5","7","7","5","4","2","4","1") = "6"
    & skf21("5","7","7","5","4","2","5","1") = "6"
    & skf21("5","7","7","5","4","2","6","1") = "6"
    & skf21("5","7","7","5","4","2","7","1") = "6"
    & skf21("5","7","7","5","4","3","1","1") = "6"
    & skf21("5","7","7","5","4","3","2","1") = "6"
    & skf21("5","7","7","5","4","3","3","1") = "6"
    & skf21("5","7","7","5","4","3","4","1") = "6"
    & skf21("5","7","7","5","4","3","5","1") = "6"
    & skf21("5","7","7","5","4","3","6","1") = "6"
    & skf21("5","7","7","5","4","3","7","1") = "6"
    & skf21("5","7","7","5","4","4","1","1") = "6"
    & skf21("5","7","7","5","4","4","2","1") = "6"
    & skf21("5","7","7","5","4","4","3","1") = "6"
    & skf21("5","7","7","5","4","4","4","1") = "6"
    & skf21("5","7","7","5","4","4","5","1") = "6"
    & skf21("5","7","7","5","4","4","6","1") = "6"
    & skf21("5","7","7","5","4","4","7","1") = "6"
    & skf21("5","7","7","5","4","5","1","1") = "6"
    & skf21("5","7","7","5","4","5","2","1") = "6"
    & skf21("5","7","7","5","4","5","3","1") = "6"
    & skf21("5","7","7","5","4","5","4","1") = "6"
    & skf21("5","7","7","5","4","5","5","1") = "6"
    & skf21("5","7","7","5","4","5","6","1") = "6"
    & skf21("5","7","7","5","4","5","7","1") = "6"
    & skf21("5","7","7","5","4","6","1","1") = "6"
    & skf21("5","7","7","5","4","6","2","1") = "6"
    & skf21("5","7","7","5","4","6","3","1") = "6"
    & skf21("5","7","7","5","4","6","4","1") = "6"
    & skf21("5","7","7","5","4","6","5","1") = "6"
    & skf21("5","7","7","5","4","6","6","1") = "6"
    & skf21("5","7","7","5","4","6","7","1") = "6"
    & skf21("5","7","7","5","4","7","1","1") = "6"
    & skf21("5","7","7","5","4","7","2","1") = "6"
    & skf21("5","7","7","5","4","7","3","1") = "6"
    & skf21("5","7","7","5","4","7","4","1") = "6"
    & skf21("5","7","7","5","4","7","5","1") = "6"
    & skf21("5","7","7","5","4","7","6","1") = "6"
    & skf21("5","7","7","5","4","7","7","1") = "6"
    & skf21("5","7","7","5","5","1","1","1") = "6"
    & skf21("5","7","7","5","5","1","2","1") = "6"
    & skf21("5","7","7","5","5","1","3","1") = "6"
    & skf21("5","7","7","5","5","1","4","1") = "6"
    & skf21("5","7","7","5","5","1","5","1") = "6"
    & skf21("5","7","7","5","5","1","6","1") = "6"
    & skf21("5","7","7","5","5","1","7","1") = "6"
    & skf21("5","7","7","5","5","2","1","1") = "6"
    & skf21("5","7","7","5","5","2","2","1") = "6"
    & skf21("5","7","7","5","5","2","3","1") = "6"
    & skf21("5","7","7","5","5","2","4","1") = "6"
    & skf21("5","7","7","5","5","2","5","1") = "6"
    & skf21("5","7","7","5","5","2","6","1") = "6"
    & skf21("5","7","7","5","5","2","7","1") = "6"
    & skf21("5","7","7","5","5","3","1","1") = "6"
    & skf21("5","7","7","5","5","3","2","1") = "6"
    & skf21("5","7","7","5","5","3","3","1") = "6"
    & skf21("5","7","7","5","5","3","4","1") = "6"
    & skf21("5","7","7","5","5","3","5","1") = "6"
    & skf21("5","7","7","5","5","3","6","1") = "6"
    & skf21("5","7","7","5","5","3","7","1") = "6"
    & skf21("5","7","7","5","5","4","1","1") = "6"
    & skf21("5","7","7","5","5","4","2","1") = "6"
    & skf21("5","7","7","5","5","4","3","1") = "6"
    & skf21("5","7","7","5","5","4","4","1") = "6"
    & skf21("5","7","7","5","5","4","5","1") = "6"
    & skf21("5","7","7","5","5","4","6","1") = "6"
    & skf21("5","7","7","5","5","4","7","1") = "6"
    & skf21("5","7","7","5","5","5","1","1") = "6"
    & skf21("5","7","7","5","5","5","2","1") = "6"
    & skf21("5","7","7","5","5","5","3","1") = "6"
    & skf21("5","7","7","5","5","5","4","1") = "6"
    & skf21("5","7","7","5","5","5","5","1") = "6"
    & skf21("5","7","7","5","5","5","6","1") = "6"
    & skf21("5","7","7","5","5","5","7","1") = "6"
    & skf21("5","7","7","5","5","6","1","1") = "6"
    & skf21("5","7","7","5","5","6","2","1") = "6"
    & skf21("5","7","7","5","5","6","3","1") = "6"
    & skf21("5","7","7","5","5","6","4","1") = "6"
    & skf21("5","7","7","5","5","6","5","1") = "6"
    & skf21("5","7","7","5","5","6","6","1") = "6"
    & skf21("5","7","7","5","5","6","7","1") = "6"
    & skf21("5","7","7","5","5","7","1","1") = "6"
    & skf21("5","7","7","5","5","7","2","1") = "6"
    & skf21("5","7","7","5","5","7","3","1") = "6"
    & skf21("5","7","7","5","5","7","4","1") = "6"
    & skf21("5","7","7","5","5","7","5","1") = "6"
    & skf21("5","7","7","5","5","7","6","1") = "6"
    & skf21("5","7","7","5","5","7","7","1") = "6"
    & skf21("5","7","7","5","6","1","1","1") = "6"
    & skf21("5","7","7","5","6","1","2","1") = "6"
    & skf21("5","7","7","5","6","1","3","1") = "6"
    & skf21("5","7","7","5","6","1","4","1") = "6"
    & skf21("5","7","7","5","6","1","5","1") = "6"
    & skf21("5","7","7","5","6","1","6","1") = "6"
    & skf21("5","7","7","5","6","1","7","1") = "6"
    & skf21("5","7","7","5","6","2","1","1") = "6"
    & skf21("5","7","7","5","6","2","2","1") = "6"
    & skf21("5","7","7","5","6","2","3","1") = "6"
    & skf21("5","7","7","5","6","2","4","1") = "6"
    & skf21("5","7","7","5","6","2","5","1") = "6"
    & skf21("5","7","7","5","6","2","6","1") = "6"
    & skf21("5","7","7","5","6","2","7","1") = "6"
    & skf21("5","7","7","5","6","3","1","1") = "6"
    & skf21("5","7","7","5","6","3","2","1") = "6"
    & skf21("5","7","7","5","6","3","3","1") = "6"
    & skf21("5","7","7","5","6","3","4","1") = "6"
    & skf21("5","7","7","5","6","3","5","1") = "6"
    & skf21("5","7","7","5","6","3","6","1") = "6"
    & skf21("5","7","7","5","6","3","7","1") = "6"
    & skf21("5","7","7","5","6","4","1","1") = "6"
    & skf21("5","7","7","5","6","4","2","1") = "6"
    & skf21("5","7","7","5","6","4","3","1") = "6"
    & skf21("5","7","7","5","6","4","4","1") = "6"
    & skf21("5","7","7","5","6","4","5","1") = "6"
    & skf21("5","7","7","5","6","4","6","1") = "6"
    & skf21("5","7","7","5","6","4","7","1") = "6"
    & skf21("5","7","7","5","6","5","1","1") = "6"
    & skf21("5","7","7","5","6","5","2","1") = "6"
    & skf21("5","7","7","5","6","5","3","1") = "6"
    & skf21("5","7","7","5","6","5","4","1") = "6"
    & skf21("5","7","7","5","6","5","5","1") = "6"
    & skf21("5","7","7","5","6","5","6","1") = "6"
    & skf21("5","7","7","5","6","5","7","1") = "6"
    & skf21("5","7","7","5","6","6","1","1") = "6"
    & skf21("5","7","7","5","6","6","2","1") = "6"
    & skf21("5","7","7","5","6","6","3","1") = "6"
    & skf21("5","7","7","5","6","6","4","1") = "6"
    & skf21("5","7","7","5","6","6","5","1") = "6"
    & skf21("5","7","7","5","6","6","6","1") = "6"
    & skf21("5","7","7","5","6","6","7","1") = "6"
    & skf21("5","7","7","5","6","7","1","1") = "6"
    & skf21("5","7","7","5","6","7","2","1") = "6"
    & skf21("5","7","7","5","6","7","3","1") = "6"
    & skf21("5","7","7","5","6","7","4","1") = "6"
    & skf21("5","7","7","5","6","7","5","1") = "6"
    & skf21("5","7","7","5","6","7","6","1") = "6"
    & skf21("5","7","7","5","6","7","7","1") = "6"
    & skf21("5","7","7","5","7","1","1","1") = "6"
    & skf21("5","7","7","5","7","1","2","1") = "6"
    & skf21("5","7","7","5","7","1","3","1") = "6"
    & skf21("5","7","7","5","7","1","4","1") = "6"
    & skf21("5","7","7","5","7","1","5","1") = "6"
    & skf21("5","7","7","5","7","1","6","1") = "6"
    & skf21("5","7","7","5","7","1","7","1") = "6"
    & skf21("5","7","7","5","7","2","1","1") = "6"
    & skf21("5","7","7","5","7","2","2","1") = "6"
    & skf21("5","7","7","5","7","2","3","1") = "6"
    & skf21("5","7","7","5","7","2","4","1") = "6"
    & skf21("5","7","7","5","7","2","5","1") = "6"
    & skf21("5","7","7","5","7","2","6","1") = "6"
    & skf21("5","7","7","5","7","2","7","1") = "6"
    & skf21("5","7","7","5","7","3","1","1") = "6"
    & skf21("5","7","7","5","7","3","2","1") = "6"
    & skf21("5","7","7","5","7","3","3","1") = "6"
    & skf21("5","7","7","5","7","3","4","1") = "6"
    & skf21("5","7","7","5","7","3","5","1") = "6"
    & skf21("5","7","7","5","7","3","6","1") = "6"
    & skf21("5","7","7","5","7","3","7","1") = "6"
    & skf21("5","7","7","5","7","4","1","1") = "6"
    & skf21("5","7","7","5","7","4","2","1") = "6"
    & skf21("5","7","7","5","7","4","3","1") = "6"
    & skf21("5","7","7","5","7","4","4","1") = "6"
    & skf21("5","7","7","5","7","4","5","1") = "6"
    & skf21("5","7","7","5","7","4","6","1") = "6"
    & skf21("5","7","7","5","7","4","7","1") = "6"
    & skf21("5","7","7","5","7","5","1","1") = "6"
    & skf21("5","7","7","5","7","5","2","1") = "6"
    & skf21("5","7","7","5","7","5","3","1") = "6"
    & skf21("5","7","7","5","7","5","4","1") = "6"
    & skf21("5","7","7","5","7","5","5","1") = "6"
    & skf21("5","7","7","5","7","5","6","1") = "6"
    & skf21("5","7","7","5","7","5","7","1") = "6"
    & skf21("5","7","7","5","7","6","1","1") = "6"
    & skf21("5","7","7","5","7","6","2","1") = "6"
    & skf21("5","7","7","5","7","6","3","1") = "6"
    & skf21("5","7","7","5","7","6","4","1") = "6"
    & skf21("5","7","7","5","7","6","5","1") = "6"
    & skf21("5","7","7","5","7","6","6","1") = "6"
    & skf21("5","7","7","5","7","6","7","1") = "6"
    & skf21("5","7","7","5","7","7","1","1") = "6"
    & skf21("5","7","7","5","7","7","2","1") = "6"
    & skf21("5","7","7","5","7","7","3","1") = "6"
    & skf21("5","7","7","5","7","7","4","1") = "6"
    & skf21("5","7","7","5","7","7","5","1") = "6"
    & skf21("5","7","7","5","7","7","6","1") = "6"
    & skf21("5","7","7","5","7","7","7","1") = "6"
    & skf21("5","7","7","6","1","1","1","1") = "6"
    & skf21("5","7","7","6","1","1","2","1") = "6"
    & skf21("5","7","7","6","1","1","3","1") = "6"
    & skf21("5","7","7","6","1","1","4","1") = "6"
    & skf21("5","7","7","6","1","1","5","1") = "6"
    & skf21("5","7","7","6","1","1","6","1") = "6"
    & skf21("5","7","7","6","1","1","7","1") = "6"
    & skf21("5","7","7","6","1","2","1","1") = "6"
    & skf21("5","7","7","6","1","2","2","1") = "6"
    & skf21("5","7","7","6","1","2","3","1") = "6"
    & skf21("5","7","7","6","1","2","4","1") = "6"
    & skf21("5","7","7","6","1","2","5","1") = "6"
    & skf21("5","7","7","6","1","2","6","1") = "6"
    & skf21("5","7","7","6","1","2","7","1") = "6"
    & skf21("5","7","7","6","1","3","1","1") = "6"
    & skf21("5","7","7","6","1","3","2","1") = "6"
    & skf21("5","7","7","6","1","3","3","1") = "6"
    & skf21("5","7","7","6","1","3","4","1") = "6"
    & skf21("5","7","7","6","1","3","5","1") = "6"
    & skf21("5","7","7","6","1","3","6","1") = "6"
    & skf21("5","7","7","6","1","3","7","1") = "6"
    & skf21("5","7","7","6","1","4","1","1") = "6"
    & skf21("5","7","7","6","1","4","2","1") = "6"
    & skf21("5","7","7","6","1","4","3","1") = "6"
    & skf21("5","7","7","6","1","4","4","1") = "6"
    & skf21("5","7","7","6","1","4","5","1") = "6"
    & skf21("5","7","7","6","1","4","6","1") = "6"
    & skf21("5","7","7","6","1","4","7","1") = "6"
    & skf21("5","7","7","6","1","5","1","1") = "6"
    & skf21("5","7","7","6","1","5","2","1") = "6"
    & skf21("5","7","7","6","1","5","3","1") = "6"
    & skf21("5","7","7","6","1","5","4","1") = "6"
    & skf21("5","7","7","6","1","5","5","1") = "6"
    & skf21("5","7","7","6","1","5","6","1") = "6"
    & skf21("5","7","7","6","1","5","7","1") = "6"
    & skf21("5","7","7","6","1","6","1","1") = "6"
    & skf21("5","7","7","6","1","6","2","1") = "6"
    & skf21("5","7","7","6","1","6","3","1") = "6"
    & skf21("5","7","7","6","1","6","4","1") = "6"
    & skf21("5","7","7","6","1","6","5","1") = "6"
    & skf21("5","7","7","6","1","6","6","1") = "6"
    & skf21("5","7","7","6","1","6","7","1") = "6"
    & skf21("5","7","7","6","1","7","1","1") = "6"
    & skf21("5","7","7","6","1","7","2","1") = "6"
    & skf21("5","7","7","6","1","7","3","1") = "6"
    & skf21("5","7","7","6","1","7","4","1") = "6"
    & skf21("5","7","7","6","1","7","5","1") = "6"
    & skf21("5","7","7","6","1","7","6","1") = "6"
    & skf21("5","7","7","6","1","7","7","1") = "6"
    & skf21("5","7","7","6","2","1","1","1") = "6"
    & skf21("5","7","7","6","2","1","2","1") = "6"
    & skf21("5","7","7","6","2","1","3","1") = "6"
    & skf21("5","7","7","6","2","1","4","1") = "6"
    & skf21("5","7","7","6","2","1","5","1") = "6"
    & skf21("5","7","7","6","2","1","6","1") = "6"
    & skf21("5","7","7","6","2","1","7","1") = "6"
    & skf21("5","7","7","6","2","2","1","1") = "6"
    & skf21("5","7","7","6","2","2","2","1") = "6"
    & skf21("5","7","7","6","2","2","3","1") = "6"
    & skf21("5","7","7","6","2","2","4","1") = "6"
    & skf21("5","7","7","6","2","2","5","1") = "6"
    & skf21("5","7","7","6","2","2","6","1") = "6"
    & skf21("5","7","7","6","2","2","7","1") = "6"
    & skf21("5","7","7","6","2","3","1","1") = "6"
    & skf21("5","7","7","6","2","3","2","1") = "6"
    & skf21("5","7","7","6","2","3","3","1") = "6"
    & skf21("5","7","7","6","2","3","4","1") = "6"
    & skf21("5","7","7","6","2","3","5","1") = "6"
    & skf21("5","7","7","6","2","3","6","1") = "6"
    & skf21("5","7","7","6","2","3","7","1") = "6"
    & skf21("5","7","7","6","2","4","1","1") = "6"
    & skf21("5","7","7","6","2","4","2","1") = "6"
    & skf21("5","7","7","6","2","4","3","1") = "6"
    & skf21("5","7","7","6","2","4","4","1") = "6"
    & skf21("5","7","7","6","2","4","5","1") = "6"
    & skf21("5","7","7","6","2","4","6","1") = "6"
    & skf21("5","7","7","6","2","4","7","1") = "6"
    & skf21("5","7","7","6","2","5","1","1") = "6"
    & skf21("5","7","7","6","2","5","2","1") = "6"
    & skf21("5","7","7","6","2","5","3","1") = "6"
    & skf21("5","7","7","6","2","5","4","1") = "6"
    & skf21("5","7","7","6","2","5","5","1") = "6"
    & skf21("5","7","7","6","2","5","6","1") = "6"
    & skf21("5","7","7","6","2","5","7","1") = "6"
    & skf21("5","7","7","6","2","6","1","1") = "6"
    & skf21("5","7","7","6","2","6","2","1") = "6"
    & skf21("5","7","7","6","2","6","3","1") = "6"
    & skf21("5","7","7","6","2","6","4","1") = "6"
    & skf21("5","7","7","6","2","6","5","1") = "6"
    & skf21("5","7","7","6","2","6","6","1") = "6"
    & skf21("5","7","7","6","2","6","7","1") = "6"
    & skf21("5","7","7","6","2","7","1","1") = "6"
    & skf21("5","7","7","6","2","7","2","1") = "6"
    & skf21("5","7","7","6","2","7","3","1") = "6"
    & skf21("5","7","7","6","2","7","4","1") = "6"
    & skf21("5","7","7","6","2","7","5","1") = "6"
    & skf21("5","7","7","6","2","7","6","1") = "6"
    & skf21("5","7","7","6","2","7","7","1") = "6"
    & skf21("5","7","7","6","3","1","1","1") = "6"
    & skf21("5","7","7","6","3","1","2","1") = "6"
    & skf21("5","7","7","6","3","1","3","1") = "6"
    & skf21("5","7","7","6","3","1","4","1") = "6"
    & skf21("5","7","7","6","3","1","5","1") = "6"
    & skf21("5","7","7","6","3","1","6","1") = "6"
    & skf21("5","7","7","6","3","1","7","1") = "6"
    & skf21("5","7","7","6","3","2","1","1") = "6"
    & skf21("5","7","7","6","3","2","2","1") = "6"
    & skf21("5","7","7","6","3","2","3","1") = "6"
    & skf21("5","7","7","6","3","2","4","1") = "6"
    & skf21("5","7","7","6","3","2","5","1") = "6"
    & skf21("5","7","7","6","3","2","6","1") = "6"
    & skf21("5","7","7","6","3","2","7","1") = "6"
    & skf21("5","7","7","6","3","3","1","1") = "6"
    & skf21("5","7","7","6","3","3","2","1") = "6"
    & skf21("5","7","7","6","3","3","3","1") = "6"
    & skf21("5","7","7","6","3","3","4","1") = "6"
    & skf21("5","7","7","6","3","3","5","1") = "6"
    & skf21("5","7","7","6","3","3","6","1") = "6"
    & skf21("5","7","7","6","3","3","7","1") = "6"
    & skf21("5","7","7","6","3","4","1","1") = "6"
    & skf21("5","7","7","6","3","4","2","1") = "6"
    & skf21("5","7","7","6","3","4","3","1") = "6"
    & skf21("5","7","7","6","3","4","4","1") = "6"
    & skf21("5","7","7","6","3","4","5","1") = "6"
    & skf21("5","7","7","6","3","4","6","1") = "6"
    & skf21("5","7","7","6","3","4","7","1") = "6"
    & skf21("5","7","7","6","3","5","1","1") = "6"
    & skf21("5","7","7","6","3","5","2","1") = "6"
    & skf21("5","7","7","6","3","5","3","1") = "6"
    & skf21("5","7","7","6","3","5","4","1") = "6"
    & skf21("5","7","7","6","3","5","5","1") = "6"
    & skf21("5","7","7","6","3","5","6","1") = "6"
    & skf21("5","7","7","6","3","5","7","1") = "6"
    & skf21("5","7","7","6","3","6","1","1") = "6"
    & skf21("5","7","7","6","3","6","2","1") = "6"
    & skf21("5","7","7","6","3","6","3","1") = "6"
    & skf21("5","7","7","6","3","6","4","1") = "6"
    & skf21("5","7","7","6","3","6","5","1") = "6"
    & skf21("5","7","7","6","3","6","6","1") = "6"
    & skf21("5","7","7","6","3","6","7","1") = "6"
    & skf21("5","7","7","6","3","7","1","1") = "6"
    & skf21("5","7","7","6","3","7","2","1") = "6"
    & skf21("5","7","7","6","3","7","3","1") = "6"
    & skf21("5","7","7","6","3","7","4","1") = "6"
    & skf21("5","7","7","6","3","7","5","1") = "6"
    & skf21("5","7","7","6","3","7","6","1") = "6"
    & skf21("5","7","7","6","3","7","7","1") = "6"
    & skf21("5","7","7","6","4","1","1","1") = "6"
    & skf21("5","7","7","6","4","1","2","1") = "6"
    & skf21("5","7","7","6","4","1","3","1") = "6"
    & skf21("5","7","7","6","4","1","4","1") = "6"
    & skf21("5","7","7","6","4","1","5","1") = "6"
    & skf21("5","7","7","6","4","1","6","1") = "6"
    & skf21("5","7","7","6","4","1","7","1") = "6"
    & skf21("5","7","7","6","4","2","1","1") = "6"
    & skf21("5","7","7","6","4","2","2","1") = "6"
    & skf21("5","7","7","6","4","2","3","1") = "6"
    & skf21("5","7","7","6","4","2","4","1") = "6"
    & skf21("5","7","7","6","4","2","5","1") = "6"
    & skf21("5","7","7","6","4","2","6","1") = "6"
    & skf21("5","7","7","6","4","2","7","1") = "6"
    & skf21("5","7","7","6","4","3","1","1") = "6"
    & skf21("5","7","7","6","4","3","2","1") = "6"
    & skf21("5","7","7","6","4","3","3","1") = "6"
    & skf21("5","7","7","6","4","3","4","1") = "6"
    & skf21("5","7","7","6","4","3","5","1") = "6"
    & skf21("5","7","7","6","4","3","6","1") = "6"
    & skf21("5","7","7","6","4","3","7","1") = "6"
    & skf21("5","7","7","6","4","4","1","1") = "6"
    & skf21("5","7","7","6","4","4","2","1") = "6"
    & skf21("5","7","7","6","4","4","3","1") = "6"
    & skf21("5","7","7","6","4","4","4","1") = "6"
    & skf21("5","7","7","6","4","4","5","1") = "6"
    & skf21("5","7","7","6","4","4","6","1") = "6"
    & skf21("5","7","7","6","4","4","7","1") = "6"
    & skf21("5","7","7","6","4","5","1","1") = "6"
    & skf21("5","7","7","6","4","5","2","1") = "6"
    & skf21("5","7","7","6","4","5","3","1") = "6"
    & skf21("5","7","7","6","4","5","4","1") = "6"
    & skf21("5","7","7","6","4","5","5","1") = "6"
    & skf21("5","7","7","6","4","5","6","1") = "6"
    & skf21("5","7","7","6","4","5","7","1") = "6"
    & skf21("5","7","7","6","4","6","1","1") = "6"
    & skf21("5","7","7","6","4","6","2","1") = "6"
    & skf21("5","7","7","6","4","6","3","1") = "6"
    & skf21("5","7","7","6","4","6","4","1") = "6"
    & skf21("5","7","7","6","4","6","5","1") = "6"
    & skf21("5","7","7","6","4","6","6","1") = "6"
    & skf21("5","7","7","6","4","6","7","1") = "6"
    & skf21("5","7","7","6","4","7","1","1") = "6"
    & skf21("5","7","7","6","4","7","2","1") = "6"
    & skf21("5","7","7","6","4","7","3","1") = "6"
    & skf21("5","7","7","6","4","7","4","1") = "6"
    & skf21("5","7","7","6","4","7","5","1") = "6"
    & skf21("5","7","7","6","4","7","6","1") = "6"
    & skf21("5","7","7","6","4","7","7","1") = "6"
    & skf21("5","7","7","6","5","1","1","1") = "6"
    & skf21("5","7","7","6","5","1","2","1") = "6"
    & skf21("5","7","7","6","5","1","3","1") = "6"
    & skf21("5","7","7","6","5","1","4","1") = "6"
    & skf21("5","7","7","6","5","1","5","1") = "6"
    & skf21("5","7","7","6","5","1","6","1") = "6"
    & skf21("5","7","7","6","5","1","7","1") = "6"
    & skf21("5","7","7","6","5","2","1","1") = "6"
    & skf21("5","7","7","6","5","2","2","1") = "6"
    & skf21("5","7","7","6","5","2","3","1") = "6"
    & skf21("5","7","7","6","5","2","4","1") = "6"
    & skf21("5","7","7","6","5","2","5","1") = "6"
    & skf21("5","7","7","6","5","2","6","1") = "6"
    & skf21("5","7","7","6","5","2","7","1") = "6"
    & skf21("5","7","7","6","5","3","1","1") = "6"
    & skf21("5","7","7","6","5","3","2","1") = "6"
    & skf21("5","7","7","6","5","3","3","1") = "6"
    & skf21("5","7","7","6","5","3","4","1") = "6"
    & skf21("5","7","7","6","5","3","5","1") = "6"
    & skf21("5","7","7","6","5","3","6","1") = "6"
    & skf21("5","7","7","6","5","3","7","1") = "6"
    & skf21("5","7","7","6","5","4","1","1") = "6"
    & skf21("5","7","7","6","5","4","2","1") = "6"
    & skf21("5","7","7","6","5","4","3","1") = "6"
    & skf21("5","7","7","6","5","4","4","1") = "6"
    & skf21("5","7","7","6","5","4","5","1") = "6"
    & skf21("5","7","7","6","5","4","6","1") = "6"
    & skf21("5","7","7","6","5","4","7","1") = "6"
    & skf21("5","7","7","6","5","5","1","1") = "6"
    & skf21("5","7","7","6","5","5","2","1") = "6"
    & skf21("5","7","7","6","5","5","3","1") = "6"
    & skf21("5","7","7","6","5","5","4","1") = "6"
    & skf21("5","7","7","6","5","5","5","1") = "6"
    & skf21("5","7","7","6","5","5","6","1") = "6"
    & skf21("5","7","7","6","5","5","7","1") = "6"
    & skf21("5","7","7","6","5","6","1","1") = "6"
    & skf21("5","7","7","6","5","6","2","1") = "6"
    & skf21("5","7","7","6","5","6","3","1") = "6"
    & skf21("5","7","7","6","5","6","4","1") = "6"
    & skf21("5","7","7","6","5","6","5","1") = "6"
    & skf21("5","7","7","6","5","6","6","1") = "6"
    & skf21("5","7","7","6","5","6","7","1") = "6"
    & skf21("5","7","7","6","5","7","1","1") = "6"
    & skf21("5","7","7","6","5","7","2","1") = "6"
    & skf21("5","7","7","6","5","7","3","1") = "6"
    & skf21("5","7","7","6","5","7","4","1") = "6"
    & skf21("5","7","7","6","5","7","5","1") = "6"
    & skf21("5","7","7","6","5","7","6","1") = "6"
    & skf21("5","7","7","6","5","7","7","1") = "6"
    & skf21("5","7","7","6","6","1","1","1") = "6"
    & skf21("5","7","7","6","6","1","2","1") = "6"
    & skf21("5","7","7","6","6","1","3","1") = "6"
    & skf21("5","7","7","6","6","1","4","1") = "6"
    & skf21("5","7","7","6","6","1","5","1") = "6"
    & skf21("5","7","7","6","6","1","6","1") = "6"
    & skf21("5","7","7","6","6","1","7","1") = "6"
    & skf21("5","7","7","6","6","2","1","1") = "6"
    & skf21("5","7","7","6","6","2","2","1") = "6"
    & skf21("5","7","7","6","6","2","3","1") = "6"
    & skf21("5","7","7","6","6","2","4","1") = "6"
    & skf21("5","7","7","6","6","2","5","1") = "6"
    & skf21("5","7","7","6","6","2","6","1") = "6"
    & skf21("5","7","7","6","6","2","7","1") = "6"
    & skf21("5","7","7","6","6","3","1","1") = "6"
    & skf21("5","7","7","6","6","3","2","1") = "6"
    & skf21("5","7","7","6","6","3","3","1") = "6"
    & skf21("5","7","7","6","6","3","4","1") = "6"
    & skf21("5","7","7","6","6","3","5","1") = "6"
    & skf21("5","7","7","6","6","3","6","1") = "6"
    & skf21("5","7","7","6","6","3","7","1") = "6"
    & skf21("5","7","7","6","6","4","1","1") = "6"
    & skf21("5","7","7","6","6","4","2","1") = "6"
    & skf21("5","7","7","6","6","4","3","1") = "6"
    & skf21("5","7","7","6","6","4","4","1") = "6"
    & skf21("5","7","7","6","6","4","5","1") = "6"
    & skf21("5","7","7","6","6","4","6","1") = "6"
    & skf21("5","7","7","6","6","4","7","1") = "6"
    & skf21("5","7","7","6","6","5","1","1") = "6"
    & skf21("5","7","7","6","6","5","2","1") = "6"
    & skf21("5","7","7","6","6","5","3","1") = "6"
    & skf21("5","7","7","6","6","5","4","1") = "6"
    & skf21("5","7","7","6","6","5","5","1") = "6"
    & skf21("5","7","7","6","6","5","6","1") = "6"
    & skf21("5","7","7","6","6","5","7","1") = "6"
    & skf21("5","7","7","6","6","6","1","1") = "6"
    & skf21("5","7","7","6","6","6","2","1") = "6"
    & skf21("5","7","7","6","6","6","3","1") = "6"
    & skf21("5","7","7","6","6","6","4","1") = "6"
    & skf21("5","7","7","6","6","6","5","1") = "6"
    & skf21("5","7","7","6","6","6","6","1") = "6"
    & skf21("5","7","7","6","6","6","7","1") = "6"
    & skf21("5","7","7","6","6","7","1","1") = "6"
    & skf21("5","7","7","6","6","7","2","1") = "6"
    & skf21("5","7","7","6","6","7","3","1") = "6"
    & skf21("5","7","7","6","6","7","4","1") = "6"
    & skf21("5","7","7","6","6","7","5","1") = "6"
    & skf21("5","7","7","6","6","7","6","1") = "6"
    & skf21("5","7","7","6","6","7","7","1") = "6"
    & skf21("5","7","7","6","7","1","1","1") = "6"
    & skf21("5","7","7","6","7","1","2","1") = "6"
    & skf21("5","7","7","6","7","1","3","1") = "6"
    & skf21("5","7","7","6","7","1","4","1") = "6"
    & skf21("5","7","7","6","7","1","5","1") = "6"
    & skf21("5","7","7","6","7","1","6","1") = "6"
    & skf21("5","7","7","6","7","1","7","1") = "6"
    & skf21("5","7","7","6","7","2","1","1") = "6"
    & skf21("5","7","7","6","7","2","2","1") = "6"
    & skf21("5","7","7","6","7","2","3","1") = "6"
    & skf21("5","7","7","6","7","2","4","1") = "6"
    & skf21("5","7","7","6","7","2","5","1") = "6"
    & skf21("5","7","7","6","7","2","6","1") = "6"
    & skf21("5","7","7","6","7","2","7","1") = "6"
    & skf21("5","7","7","6","7","3","1","1") = "6"
    & skf21("5","7","7","6","7","3","2","1") = "6"
    & skf21("5","7","7","6","7","3","3","1") = "6"
    & skf21("5","7","7","6","7","3","4","1") = "6"
    & skf21("5","7","7","6","7","3","5","1") = "6"
    & skf21("5","7","7","6","7","3","6","1") = "6"
    & skf21("5","7","7","6","7","3","7","1") = "6"
    & skf21("5","7","7","6","7","4","1","1") = "6"
    & skf21("5","7","7","6","7","4","2","1") = "6"
    & skf21("5","7","7","6","7","4","3","1") = "6"
    & skf21("5","7","7","6","7","4","4","1") = "6"
    & skf21("5","7","7","6","7","4","5","1") = "6"
    & skf21("5","7","7","6","7","4","6","1") = "6"
    & skf21("5","7","7","6","7","4","7","1") = "6"
    & skf21("5","7","7","6","7","5","1","1") = "6"
    & skf21("5","7","7","6","7","5","2","1") = "6"
    & skf21("5","7","7","6","7","5","3","1") = "6"
    & skf21("5","7","7","6","7","5","4","1") = "6"
    & skf21("5","7","7","6","7","5","5","1") = "6"
    & skf21("5","7","7","6","7","5","6","1") = "6"
    & skf21("5","7","7","6","7","5","7","1") = "6"
    & skf21("5","7","7","6","7","6","1","1") = "6"
    & skf21("5","7","7","6","7","6","2","1") = "6"
    & skf21("5","7","7","6","7","6","3","1") = "6"
    & skf21("5","7","7","6","7","6","4","1") = "6"
    & skf21("5","7","7","6","7","6","5","1") = "6"
    & skf21("5","7","7","6","7","6","6","1") = "6"
    & skf21("5","7","7","6","7","6","7","1") = "6"
    & skf21("5","7","7","6","7","7","1","1") = "6"
    & skf21("5","7","7","6","7","7","2","1") = "6"
    & skf21("5","7","7","6","7","7","3","1") = "6"
    & skf21("5","7","7","6","7","7","4","1") = "6"
    & skf21("5","7","7","6","7","7","5","1") = "6"
    & skf21("5","7","7","6","7","7","6","1") = "6"
    & skf21("5","7","7","6","7","7","7","1") = "6"
    & skf21("5","7","7","7","1","1","1","1") = "6"
    & skf21("5","7","7","7","1","1","2","1") = "6"
    & skf21("5","7","7","7","1","1","3","1") = "6"
    & skf21("5","7","7","7","1","1","4","1") = "6"
    & skf21("5","7","7","7","1","1","5","1") = "6"
    & skf21("5","7","7","7","1","1","6","1") = "6"
    & skf21("5","7","7","7","1","1","7","1") = "6"
    & skf21("5","7","7","7","1","2","1","1") = "6"
    & skf21("5","7","7","7","1","2","2","1") = "6"
    & skf21("5","7","7","7","1","2","3","1") = "6"
    & skf21("5","7","7","7","1","2","4","1") = "6"
    & skf21("5","7","7","7","1","2","5","1") = "6"
    & skf21("5","7","7","7","1","2","6","1") = "6"
    & skf21("5","7","7","7","1","2","7","1") = "6"
    & skf21("5","7","7","7","1","3","1","1") = "6"
    & skf21("5","7","7","7","1","3","2","1") = "6"
    & skf21("5","7","7","7","1","3","3","1") = "6"
    & skf21("5","7","7","7","1","3","4","1") = "6"
    & skf21("5","7","7","7","1","3","5","1") = "6"
    & skf21("5","7","7","7","1","3","6","1") = "6"
    & skf21("5","7","7","7","1","3","7","1") = "6"
    & skf21("5","7","7","7","1","4","1","1") = "6"
    & skf21("5","7","7","7","1","4","2","1") = "6"
    & skf21("5","7","7","7","1","4","3","1") = "6"
    & skf21("5","7","7","7","1","4","4","1") = "6"
    & skf21("5","7","7","7","1","4","5","1") = "6"
    & skf21("5","7","7","7","1","4","6","1") = "6"
    & skf21("5","7","7","7","1","4","7","1") = "6"
    & skf21("5","7","7","7","1","5","1","1") = "6"
    & skf21("5","7","7","7","1","5","2","1") = "6"
    & skf21("5","7","7","7","1","5","3","1") = "6"
    & skf21("5","7","7","7","1","5","4","1") = "6"
    & skf21("5","7","7","7","1","5","5","1") = "6"
    & skf21("5","7","7","7","1","5","6","1") = "6"
    & skf21("5","7","7","7","1","5","7","1") = "6"
    & skf21("5","7","7","7","1","6","1","1") = "6"
    & skf21("5","7","7","7","1","6","2","1") = "6"
    & skf21("5","7","7","7","1","6","3","1") = "6"
    & skf21("5","7","7","7","1","6","4","1") = "6"
    & skf21("5","7","7","7","1","6","5","1") = "6"
    & skf21("5","7","7","7","1","6","6","1") = "6"
    & skf21("5","7","7","7","1","6","7","1") = "6"
    & skf21("5","7","7","7","1","7","1","1") = "6"
    & skf21("5","7","7","7","1","7","2","1") = "6"
    & skf21("5","7","7","7","1","7","3","1") = "6"
    & skf21("5","7","7","7","1","7","4","1") = "6"
    & skf21("5","7","7","7","1","7","5","1") = "6"
    & skf21("5","7","7","7","1","7","6","1") = "6"
    & skf21("5","7","7","7","1","7","7","1") = "6"
    & skf21("5","7","7","7","2","1","1","1") = "6"
    & skf21("5","7","7","7","2","1","2","1") = "6"
    & skf21("5","7","7","7","2","1","3","1") = "6"
    & skf21("5","7","7","7","2","1","4","1") = "6"
    & skf21("5","7","7","7","2","1","5","1") = "6"
    & skf21("5","7","7","7","2","1","6","1") = "6"
    & skf21("5","7","7","7","2","1","7","1") = "6"
    & skf21("5","7","7","7","2","2","1","1") = "6"
    & skf21("5","7","7","7","2","2","2","1") = "6"
    & skf21("5","7","7","7","2","2","3","1") = "6"
    & skf21("5","7","7","7","2","2","4","1") = "6"
    & skf21("5","7","7","7","2","2","5","1") = "6"
    & skf21("5","7","7","7","2","2","6","1") = "6"
    & skf21("5","7","7","7","2","2","7","1") = "6"
    & skf21("5","7","7","7","2","3","1","1") = "6"
    & skf21("5","7","7","7","2","3","2","1") = "6"
    & skf21("5","7","7","7","2","3","3","1") = "6"
    & skf21("5","7","7","7","2","3","4","1") = "6"
    & skf21("5","7","7","7","2","3","5","1") = "6"
    & skf21("5","7","7","7","2","3","6","1") = "6"
    & skf21("5","7","7","7","2","3","7","1") = "6"
    & skf21("5","7","7","7","2","4","1","1") = "6"
    & skf21("5","7","7","7","2","4","2","1") = "6"
    & skf21("5","7","7","7","2","4","3","1") = "6"
    & skf21("5","7","7","7","2","4","4","1") = "6"
    & skf21("5","7","7","7","2","4","5","1") = "6"
    & skf21("5","7","7","7","2","4","6","1") = "6"
    & skf21("5","7","7","7","2","4","7","1") = "6"
    & skf21("5","7","7","7","2","5","1","1") = "6"
    & skf21("5","7","7","7","2","5","2","1") = "6"
    & skf21("5","7","7","7","2","5","3","1") = "6"
    & skf21("5","7","7","7","2","5","4","1") = "6"
    & skf21("5","7","7","7","2","5","5","1") = "6"
    & skf21("5","7","7","7","2","5","6","1") = "6"
    & skf21("5","7","7","7","2","5","7","1") = "6"
    & skf21("5","7","7","7","2","6","1","1") = "6"
    & skf21("5","7","7","7","2","6","2","1") = "6"
    & skf21("5","7","7","7","2","6","3","1") = "6"
    & skf21("5","7","7","7","2","6","4","1") = "6"
    & skf21("5","7","7","7","2","6","5","1") = "6"
    & skf21("5","7","7","7","2","6","6","1") = "6"
    & skf21("5","7","7","7","2","6","7","1") = "6"
    & skf21("5","7","7","7","2","7","1","1") = "6"
    & skf21("5","7","7","7","2","7","2","1") = "6"
    & skf21("5","7","7","7","2","7","3","1") = "6"
    & skf21("5","7","7","7","2","7","4","1") = "6"
    & skf21("5","7","7","7","2","7","5","1") = "6"
    & skf21("5","7","7","7","2","7","6","1") = "6"
    & skf21("5","7","7","7","2","7","7","1") = "6"
    & skf21("5","7","7","7","3","1","1","1") = "6"
    & skf21("5","7","7","7","3","1","2","1") = "6"
    & skf21("5","7","7","7","3","1","3","1") = "6"
    & skf21("5","7","7","7","3","1","4","1") = "6"
    & skf21("5","7","7","7","3","1","5","1") = "6"
    & skf21("5","7","7","7","3","1","6","1") = "6"
    & skf21("5","7","7","7","3","1","7","1") = "6"
    & skf21("5","7","7","7","3","2","1","1") = "6"
    & skf21("5","7","7","7","3","2","2","1") = "6"
    & skf21("5","7","7","7","3","2","3","1") = "6"
    & skf21("5","7","7","7","3","2","4","1") = "6"
    & skf21("5","7","7","7","3","2","5","1") = "6"
    & skf21("5","7","7","7","3","2","6","1") = "6"
    & skf21("5","7","7","7","3","2","7","1") = "6"
    & skf21("5","7","7","7","3","3","1","1") = "6"
    & skf21("5","7","7","7","3","3","2","1") = "6"
    & skf21("5","7","7","7","3","3","3","1") = "6"
    & skf21("5","7","7","7","3","3","4","1") = "6"
    & skf21("5","7","7","7","3","3","5","1") = "6"
    & skf21("5","7","7","7","3","3","6","1") = "6"
    & skf21("5","7","7","7","3","3","7","1") = "6"
    & skf21("5","7","7","7","3","4","1","1") = "6"
    & skf21("5","7","7","7","3","4","2","1") = "6"
    & skf21("5","7","7","7","3","4","3","1") = "6"
    & skf21("5","7","7","7","3","4","4","1") = "6"
    & skf21("5","7","7","7","3","4","5","1") = "6"
    & skf21("5","7","7","7","3","4","6","1") = "6"
    & skf21("5","7","7","7","3","4","7","1") = "6"
    & skf21("5","7","7","7","3","5","1","1") = "6"
    & skf21("5","7","7","7","3","5","2","1") = "6"
    & skf21("5","7","7","7","3","5","3","1") = "6"
    & skf21("5","7","7","7","3","5","4","1") = "6"
    & skf21("5","7","7","7","3","5","5","1") = "6"
    & skf21("5","7","7","7","3","5","6","1") = "6"
    & skf21("5","7","7","7","3","5","7","1") = "6"
    & skf21("5","7","7","7","3","6","1","1") = "6"
    & skf21("5","7","7","7","3","6","2","1") = "6"
    & skf21("5","7","7","7","3","6","3","1") = "6"
    & skf21("5","7","7","7","3","6","4","1") = "6"
    & skf21("5","7","7","7","3","6","5","1") = "6"
    & skf21("5","7","7","7","3","6","6","1") = "6"
    & skf21("5","7","7","7","3","6","7","1") = "6"
    & skf21("5","7","7","7","3","7","1","1") = "6"
    & skf21("5","7","7","7","3","7","2","1") = "6"
    & skf21("5","7","7","7","3","7","3","1") = "6"
    & skf21("5","7","7","7","3","7","4","1") = "6"
    & skf21("5","7","7","7","3","7","5","1") = "6"
    & skf21("5","7","7","7","3","7","6","1") = "6"
    & skf21("5","7","7","7","3","7","7","1") = "6"
    & skf21("5","7","7","7","4","1","1","1") = "6"
    & skf21("5","7","7","7","4","1","2","1") = "6"
    & skf21("5","7","7","7","4","1","3","1") = "6"
    & skf21("5","7","7","7","4","1","4","1") = "6"
    & skf21("5","7","7","7","4","1","5","1") = "6"
    & skf21("5","7","7","7","4","1","6","1") = "6"
    & skf21("5","7","7","7","4","1","7","1") = "6"
    & skf21("5","7","7","7","4","2","1","1") = "6"
    & skf21("5","7","7","7","4","2","2","1") = "6"
    & skf21("5","7","7","7","4","2","3","1") = "6"
    & skf21("5","7","7","7","4","2","4","1") = "6"
    & skf21("5","7","7","7","4","2","5","1") = "6"
    & skf21("5","7","7","7","4","2","6","1") = "6"
    & skf21("5","7","7","7","4","2","7","1") = "6"
    & skf21("5","7","7","7","4","3","1","1") = "6"
    & skf21("5","7","7","7","4","3","2","1") = "6"
    & skf21("5","7","7","7","4","3","3","1") = "6"
    & skf21("5","7","7","7","4","3","4","1") = "6"
    & skf21("5","7","7","7","4","3","5","1") = "6"
    & skf21("5","7","7","7","4","3","6","1") = "6"
    & skf21("5","7","7","7","4","3","7","1") = "6"
    & skf21("5","7","7","7","4","4","1","1") = "6"
    & skf21("5","7","7","7","4","4","2","1") = "6"
    & skf21("5","7","7","7","4","4","3","1") = "6"
    & skf21("5","7","7","7","4","4","4","1") = "6"
    & skf21("5","7","7","7","4","4","5","1") = "6"
    & skf21("5","7","7","7","4","4","6","1") = "6"
    & skf21("5","7","7","7","4","4","7","1") = "6"
    & skf21("5","7","7","7","4","5","1","1") = "6"
    & skf21("5","7","7","7","4","5","2","1") = "6"
    & skf21("5","7","7","7","4","5","3","1") = "6"
    & skf21("5","7","7","7","4","5","4","1") = "6"
    & skf21("5","7","7","7","4","5","5","1") = "6"
    & skf21("5","7","7","7","4","5","6","1") = "6"
    & skf21("5","7","7","7","4","5","7","1") = "6"
    & skf21("5","7","7","7","4","6","1","1") = "6"
    & skf21("5","7","7","7","4","6","2","1") = "6"
    & skf21("5","7","7","7","4","6","3","1") = "6"
    & skf21("5","7","7","7","4","6","4","1") = "6"
    & skf21("5","7","7","7","4","6","5","1") = "6"
    & skf21("5","7","7","7","4","6","6","1") = "6"
    & skf21("5","7","7","7","4","6","7","1") = "6"
    & skf21("5","7","7","7","4","7","1","1") = "6"
    & skf21("5","7","7","7","4","7","2","1") = "6"
    & skf21("5","7","7","7","4","7","3","1") = "6"
    & skf21("5","7","7","7","4","7","4","1") = "6"
    & skf21("5","7","7","7","4","7","5","1") = "6"
    & skf21("5","7","7","7","4","7","6","1") = "6"
    & skf21("5","7","7","7","4","7","7","1") = "6"
    & skf21("5","7","7","7","5","1","1","1") = "6"
    & skf21("5","7","7","7","5","1","2","1") = "6"
    & skf21("5","7","7","7","5","1","3","1") = "6"
    & skf21("5","7","7","7","5","1","4","1") = "6"
    & skf21("5","7","7","7","5","1","5","1") = "6"
    & skf21("5","7","7","7","5","1","6","1") = "6"
    & skf21("5","7","7","7","5","1","7","1") = "6"
    & skf21("5","7","7","7","5","2","1","1") = "6"
    & skf21("5","7","7","7","5","2","2","1") = "6"
    & skf21("5","7","7","7","5","2","3","1") = "6"
    & skf21("5","7","7","7","5","2","4","1") = "6"
    & skf21("5","7","7","7","5","2","5","1") = "6"
    & skf21("5","7","7","7","5","2","6","1") = "6"
    & skf21("5","7","7","7","5","2","7","1") = "6"
    & skf21("5","7","7","7","5","3","1","1") = "6"
    & skf21("5","7","7","7","5","3","2","1") = "6"
    & skf21("5","7","7","7","5","3","3","1") = "6"
    & skf21("5","7","7","7","5","3","4","1") = "6"
    & skf21("5","7","7","7","5","3","5","1") = "6"
    & skf21("5","7","7","7","5","3","6","1") = "6"
    & skf21("5","7","7","7","5","3","7","1") = "6"
    & skf21("5","7","7","7","5","4","1","1") = "6"
    & skf21("5","7","7","7","5","4","2","1") = "6"
    & skf21("5","7","7","7","5","4","3","1") = "6"
    & skf21("5","7","7","7","5","4","4","1") = "6"
    & skf21("5","7","7","7","5","4","5","1") = "6"
    & skf21("5","7","7","7","5","4","6","1") = "6"
    & skf21("5","7","7","7","5","4","7","1") = "6"
    & skf21("5","7","7","7","5","5","1","1") = "6"
    & skf21("5","7","7","7","5","5","2","1") = "6"
    & skf21("5","7","7","7","5","5","3","1") = "6"
    & skf21("5","7","7","7","5","5","4","1") = "6"
    & skf21("5","7","7","7","5","5","5","1") = "6"
    & skf21("5","7","7","7","5","5","6","1") = "6"
    & skf21("5","7","7","7","5","5","7","1") = "6"
    & skf21("5","7","7","7","5","6","1","1") = "6"
    & skf21("5","7","7","7","5","6","2","1") = "6"
    & skf21("5","7","7","7","5","6","3","1") = "6"
    & skf21("5","7","7","7","5","6","4","1") = "6"
    & skf21("5","7","7","7","5","6","5","1") = "6"
    & skf21("5","7","7","7","5","6","6","1") = "6"
    & skf21("5","7","7","7","5","6","7","1") = "6"
    & skf21("5","7","7","7","5","7","1","1") = "6"
    & skf21("5","7","7","7","5","7","2","1") = "6"
    & skf21("5","7","7","7","5","7","3","1") = "6"
    & skf21("5","7","7","7","5","7","4","1") = "6"
    & skf21("5","7","7","7","5","7","5","1") = "6"
    & skf21("5","7","7","7","5","7","6","1") = "6"
    & skf21("5","7","7","7","5","7","7","1") = "6"
    & skf21("5","7","7","7","6","1","1","1") = "6"
    & skf21("5","7","7","7","6","1","2","1") = "6"
    & skf21("5","7","7","7","6","1","3","1") = "6"
    & skf21("5","7","7","7","6","1","4","1") = "6"
    & skf21("5","7","7","7","6","1","5","1") = "6"
    & skf21("5","7","7","7","6","1","6","1") = "6"
    & skf21("5","7","7","7","6","1","7","1") = "6"
    & skf21("5","7","7","7","6","2","1","1") = "6"
    & skf21("5","7","7","7","6","2","2","1") = "6"
    & skf21("5","7","7","7","6","2","3","1") = "6"
    & skf21("5","7","7","7","6","2","4","1") = "6"
    & skf21("5","7","7","7","6","2","5","1") = "6"
    & skf21("5","7","7","7","6","2","6","1") = "6"
    & skf21("5","7","7","7","6","2","7","1") = "6"
    & skf21("5","7","7","7","6","3","1","1") = "6"
    & skf21("5","7","7","7","6","3","2","1") = "6"
    & skf21("5","7","7","7","6","3","3","1") = "6"
    & skf21("5","7","7","7","6","3","4","1") = "6"
    & skf21("5","7","7","7","6","3","5","1") = "6"
    & skf21("5","7","7","7","6","3","6","1") = "6"
    & skf21("5","7","7","7","6","3","7","1") = "6"
    & skf21("5","7","7","7","6","4","1","1") = "6"
    & skf21("5","7","7","7","6","4","2","1") = "6"
    & skf21("5","7","7","7","6","4","3","1") = "6"
    & skf21("5","7","7","7","6","4","4","1") = "6"
    & skf21("5","7","7","7","6","4","5","1") = "6"
    & skf21("5","7","7","7","6","4","6","1") = "6"
    & skf21("5","7","7","7","6","4","7","1") = "6"
    & skf21("5","7","7","7","6","5","1","1") = "6"
    & skf21("5","7","7","7","6","5","2","1") = "6"
    & skf21("5","7","7","7","6","5","3","1") = "6"
    & skf21("5","7","7","7","6","5","4","1") = "6"
    & skf21("5","7","7","7","6","5","5","1") = "6"
    & skf21("5","7","7","7","6","5","6","1") = "6"
    & skf21("5","7","7","7","6","5","7","1") = "6"
    & skf21("5","7","7","7","6","6","1","1") = "6"
    & skf21("5","7","7","7","6","6","2","1") = "6"
    & skf21("5","7","7","7","6","6","3","1") = "6"
    & skf21("5","7","7","7","6","6","4","1") = "6"
    & skf21("5","7","7","7","6","6","5","1") = "6"
    & skf21("5","7","7","7","6","6","6","1") = "6"
    & skf21("5","7","7","7","6","6","7","1") = "6"
    & skf21("5","7","7","7","6","7","1","1") = "6"
    & skf21("5","7","7","7","6","7","2","1") = "6"
    & skf21("5","7","7","7","6","7","3","1") = "6"
    & skf21("5","7","7","7","6","7","4","1") = "6"
    & skf21("5","7","7","7","6","7","5","1") = "6"
    & skf21("5","7","7","7","6","7","6","1") = "6"
    & skf21("5","7","7","7","6","7","7","1") = "6"
    & skf21("5","7","7","7","7","1","1","1") = "6"
    & skf21("5","7","7","7","7","1","2","1") = "6"
    & skf21("5","7","7","7","7","1","3","1") = "6"
    & skf21("5","7","7","7","7","1","4","1") = "6"
    & skf21("5","7","7","7","7","1","5","1") = "6"
    & skf21("5","7","7","7","7","1","6","1") = "6"
    & skf21("5","7","7","7","7","1","7","1") = "6"
    & skf21("5","7","7","7","7","2","1","1") = "6"
    & skf21("5","7","7","7","7","2","2","1") = "6"
    & skf21("5","7","7","7","7","2","3","1") = "6"
    & skf21("5","7","7","7","7","2","4","1") = "6"
    & skf21("5","7","7","7","7","2","5","1") = "6"
    & skf21("5","7","7","7","7","2","6","1") = "6"
    & skf21("5","7","7","7","7","2","7","1") = "6"
    & skf21("5","7","7","7","7","3","1","1") = "6"
    & skf21("5","7","7","7","7","3","2","1") = "6"
    & skf21("5","7","7","7","7","3","3","1") = "6"
    & skf21("5","7","7","7","7","3","4","1") = "6"
    & skf21("5","7","7","7","7","3","5","1") = "6"
    & skf21("5","7","7","7","7","3","6","1") = "6"
    & skf21("5","7","7","7","7","3","7","1") = "6"
    & skf21("5","7","7","7","7","4","1","1") = "6"
    & skf21("5","7","7","7","7","4","2","1") = "6"
    & skf21("5","7","7","7","7","4","3","1") = "6"
    & skf21("5","7","7","7","7","4","4","1") = "6"
    & skf21("5","7","7","7","7","4","5","1") = "6"
    & skf21("5","7","7","7","7","4","6","1") = "6"
    & skf21("5","7","7","7","7","4","7","1") = "6"
    & skf21("5","7","7","7","7","5","1","1") = "6"
    & skf21("5","7","7","7","7","5","2","1") = "6"
    & skf21("5","7","7","7","7","5","3","1") = "6"
    & skf21("5","7","7","7","7","5","4","1") = "6"
    & skf21("5","7","7","7","7","5","5","1") = "6"
    & skf21("5","7","7","7","7","5","6","1") = "6"
    & skf21("5","7","7","7","7","5","7","1") = "6"
    & skf21("5","7","7","7","7","6","1","1") = "6"
    & skf21("5","7","7","7","7","6","2","1") = "6"
    & skf21("5","7","7","7","7","6","3","1") = "6"
    & skf21("5","7","7","7","7","6","4","1") = "6"
    & skf21("5","7","7","7","7","6","5","1") = "6"
    & skf21("5","7","7","7","7","6","6","1") = "6"
    & skf21("5","7","7","7","7","6","7","1") = "6"
    & skf21("5","7","7","7","7","7","1","1") = "6"
    & skf21("5","7","7","7","7","7","2","1") = "6"
    & skf21("5","7","7","7","7","7","3","1") = "6"
    & skf21("5","7","7","7","7","7","4","1") = "6"
    & skf21("5","7","7","7","7","7","5","1") = "6"
    & skf21("5","7","7","7","7","7","6","1") = "6"
    & skf21("5","7","7","7","7","7","7","1") = "6"
    & skf21("6","1","1","1","1","1","1","1") = "5"
    & skf21("6","1","1","1","1","1","2","1") = "5"
    & skf21("6","1","1","1","1","1","3","1") = "5"
    & skf21("6","1","1","1","1","1","4","1") = "5"
    & skf21("6","1","1","1","1","1","5","1") = "5"
    & skf21("6","1","1","1","1","1","6","1") = "5"
    & skf21("6","1","1","1","1","1","7","1") = "6"
    & skf21("6","1","1","1","1","2","1","1") = "5"
    & skf21("6","1","1","1","1","2","2","1") = "5"
    & skf21("6","1","1","1","1","2","3","1") = "5"
    & skf21("6","1","1","1","1","2","4","1") = "5"
    & skf21("6","1","1","1","1","2","5","1") = "5"
    & skf21("6","1","1","1","1","2","6","1") = "5"
    & skf21("6","1","1","1","1","2","7","1") = "6"
    & skf21("6","1","1","1","1","3","1","1") = "5"
    & skf21("6","1","1","1","1","3","2","1") = "5"
    & skf21("6","1","1","1","1","3","3","1") = "5"
    & skf21("6","1","1","1","1","3","4","1") = "5"
    & skf21("6","1","1","1","1","3","5","1") = "5"
    & skf21("6","1","1","1","1","3","6","1") = "5"
    & skf21("6","1","1","1","1","3","7","1") = "6"
    & skf21("6","1","1","1","1","4","1","1") = "5"
    & skf21("6","1","1","1","1","4","2","1") = "5"
    & skf21("6","1","1","1","1","4","3","1") = "5"
    & skf21("6","1","1","1","1","4","4","1") = "5"
    & skf21("6","1","1","1","1","4","5","1") = "5"
    & skf21("6","1","1","1","1","4","6","1") = "5"
    & skf21("6","1","1","1","1","4","7","1") = "6"
    & skf21("6","1","1","1","1","5","1","1") = "5"
    & skf21("6","1","1","1","1","5","2","1") = "5"
    & skf21("6","1","1","1","1","5","3","1") = "5"
    & skf21("6","1","1","1","1","5","4","1") = "5"
    & skf21("6","1","1","1","1","5","5","1") = "5"
    & skf21("6","1","1","1","1","5","6","1") = "5"
    & skf21("6","1","1","1","1","5","7","1") = "6"
    & skf21("6","1","1","1","1","6","1","1") = "5"
    & skf21("6","1","1","1","1","6","2","1") = "5"
    & skf21("6","1","1","1","1","6","3","1") = "5"
    & skf21("6","1","1","1","1","6","4","1") = "5"
    & skf21("6","1","1","1","1","6","5","1") = "5"
    & skf21("6","1","1","1","1","6","6","1") = "5"
    & skf21("6","1","1","1","1","6","7","1") = "6"
    & skf21("6","1","1","1","1","7","1","1") = "6"
    & skf21("6","1","1","1","1","7","2","1") = "6"
    & skf21("6","1","1","1","1","7","3","1") = "6"
    & skf21("6","1","1","1","1","7","4","1") = "6"
    & skf21("6","1","1","1","1","7","5","1") = "6"
    & skf21("6","1","1","1","1","7","6","1") = "6"
    & skf21("6","1","1","1","1","7","7","1") = "6"
    & skf21("6","1","1","1","2","1","1","1") = "5"
    & skf21("6","1","1","1","2","1","2","1") = "5"
    & skf21("6","1","1","1","2","1","3","1") = "5"
    & skf21("6","1","1","1","2","1","4","1") = "5"
    & skf21("6","1","1","1","2","1","5","1") = "5"
    & skf21("6","1","1","1","2","1","6","1") = "5"
    & skf21("6","1","1","1","2","1","7","1") = "6"
    & skf21("6","1","1","1","2","2","1","1") = "5"
    & skf21("6","1","1","1","2","2","2","1") = "5"
    & skf21("6","1","1","1","2","2","3","1") = "5"
    & skf21("6","1","1","1","2","2","4","1") = "5"
    & skf21("6","1","1","1","2","2","5","1") = "5"
    & skf21("6","1","1","1","2","2","6","1") = "5"
    & skf21("6","1","1","1","2","2","7","1") = "6"
    & skf21("6","1","1","1","2","3","1","1") = "5"
    & skf21("6","1","1","1","2","3","2","1") = "5"
    & skf21("6","1","1","1","2","3","3","1") = "5"
    & skf21("6","1","1","1","2","3","4","1") = "5"
    & skf21("6","1","1","1","2","3","5","1") = "5"
    & skf21("6","1","1","1","2","3","6","1") = "5"
    & skf21("6","1","1","1","2","3","7","1") = "6"
    & skf21("6","1","1","1","2","4","1","1") = "5"
    & skf21("6","1","1","1","2","4","2","1") = "5"
    & skf21("6","1","1","1","2","4","3","1") = "5"
    & skf21("6","1","1","1","2","4","4","1") = "5"
    & skf21("6","1","1","1","2","4","5","1") = "5"
    & skf21("6","1","1","1","2","4","6","1") = "5"
    & skf21("6","1","1","1","2","4","7","1") = "6"
    & skf21("6","1","1","1","2","5","1","1") = "5"
    & skf21("6","1","1","1","2","5","2","1") = "5"
    & skf21("6","1","1","1","2","5","3","1") = "5"
    & skf21("6","1","1","1","2","5","4","1") = "5"
    & skf21("6","1","1","1","2","5","5","1") = "5"
    & skf21("6","1","1","1","2","5","6","1") = "5"
    & skf21("6","1","1","1","2","5","7","1") = "6"
    & skf21("6","1","1","1","2","6","1","1") = "5"
    & skf21("6","1","1","1","2","6","2","1") = "5"
    & skf21("6","1","1","1","2","6","3","1") = "5"
    & skf21("6","1","1","1","2","6","4","1") = "5"
    & skf21("6","1","1","1","2","6","5","1") = "5"
    & skf21("6","1","1","1","2","6","6","1") = "5"
    & skf21("6","1","1","1","2","6","7","1") = "6"
    & skf21("6","1","1","1","2","7","1","1") = "6"
    & skf21("6","1","1","1","2","7","2","1") = "6"
    & skf21("6","1","1","1","2","7","3","1") = "6"
    & skf21("6","1","1","1","2","7","4","1") = "6"
    & skf21("6","1","1","1","2","7","5","1") = "6"
    & skf21("6","1","1","1","2","7","6","1") = "6"
    & skf21("6","1","1","1","2","7","7","1") = "6"
    & skf21("6","1","1","1","3","1","1","1") = "5"
    & skf21("6","1","1","1","3","1","2","1") = "5"
    & skf21("6","1","1","1","3","1","3","1") = "5"
    & skf21("6","1","1","1","3","1","4","1") = "5"
    & skf21("6","1","1","1","3","1","5","1") = "5"
    & skf21("6","1","1","1","3","1","6","1") = "5"
    & skf21("6","1","1","1","3","1","7","1") = "6"
    & skf21("6","1","1","1","3","2","1","1") = "5"
    & skf21("6","1","1","1","3","2","2","1") = "5"
    & skf21("6","1","1","1","3","2","3","1") = "5"
    & skf21("6","1","1","1","3","2","4","1") = "5"
    & skf21("6","1","1","1","3","2","5","1") = "5"
    & skf21("6","1","1","1","3","2","6","1") = "5"
    & skf21("6","1","1","1","3","2","7","1") = "6"
    & skf21("6","1","1","1","3","3","1","1") = "5"
    & skf21("6","1","1","1","3","3","2","1") = "5"
    & skf21("6","1","1","1","3","3","3","1") = "5"
    & skf21("6","1","1","1","3","3","4","1") = "5"
    & skf21("6","1","1","1","3","3","5","1") = "5"
    & skf21("6","1","1","1","3","3","6","1") = "5"
    & skf21("6","1","1","1","3","3","7","1") = "6"
    & skf21("6","1","1","1","3","4","1","1") = "5"
    & skf21("6","1","1","1","3","4","2","1") = "5"
    & skf21("6","1","1","1","3","4","3","1") = "5"
    & skf21("6","1","1","1","3","4","4","1") = "5"
    & skf21("6","1","1","1","3","4","5","1") = "5"
    & skf21("6","1","1","1","3","4","6","1") = "5"
    & skf21("6","1","1","1","3","4","7","1") = "6"
    & skf21("6","1","1","1","3","5","1","1") = "5"
    & skf21("6","1","1","1","3","5","2","1") = "5"
    & skf21("6","1","1","1","3","5","3","1") = "5"
    & skf21("6","1","1","1","3","5","4","1") = "5"
    & skf21("6","1","1","1","3","5","5","1") = "5"
    & skf21("6","1","1","1","3","5","6","1") = "5"
    & skf21("6","1","1","1","3","5","7","1") = "6"
    & skf21("6","1","1","1","3","6","1","1") = "5"
    & skf21("6","1","1","1","3","6","2","1") = "5"
    & skf21("6","1","1","1","3","6","3","1") = "5"
    & skf21("6","1","1","1","3","6","4","1") = "5"
    & skf21("6","1","1","1","3","6","5","1") = "5"
    & skf21("6","1","1","1","3","6","6","1") = "5"
    & skf21("6","1","1","1","3","6","7","1") = "6"
    & skf21("6","1","1","1","3","7","1","1") = "6"
    & skf21("6","1","1","1","3","7","2","1") = "6"
    & skf21("6","1","1","1","3","7","3","1") = "6"
    & skf21("6","1","1","1","3","7","4","1") = "6"
    & skf21("6","1","1","1","3","7","5","1") = "6"
    & skf21("6","1","1","1","3","7","6","1") = "6"
    & skf21("6","1","1","1","3","7","7","1") = "6"
    & skf21("6","1","1","1","4","1","1","1") = "5"
    & skf21("6","1","1","1","4","1","2","1") = "5"
    & skf21("6","1","1","1","4","1","3","1") = "5"
    & skf21("6","1","1","1","4","1","4","1") = "5"
    & skf21("6","1","1","1","4","1","5","1") = "5"
    & skf21("6","1","1","1","4","1","6","1") = "5"
    & skf21("6","1","1","1","4","1","7","1") = "6"
    & skf21("6","1","1","1","4","2","1","1") = "5"
    & skf21("6","1","1","1","4","2","2","1") = "5"
    & skf21("6","1","1","1","4","2","3","1") = "5"
    & skf21("6","1","1","1","4","2","4","1") = "5"
    & skf21("6","1","1","1","4","2","5","1") = "5"
    & skf21("6","1","1","1","4","2","6","1") = "5"
    & skf21("6","1","1","1","4","2","7","1") = "6"
    & skf21("6","1","1","1","4","3","1","1") = "5"
    & skf21("6","1","1","1","4","3","2","1") = "5"
    & skf21("6","1","1","1","4","3","3","1") = "5"
    & skf21("6","1","1","1","4","3","4","1") = "5"
    & skf21("6","1","1","1","4","3","5","1") = "5"
    & skf21("6","1","1","1","4","3","6","1") = "5"
    & skf21("6","1","1","1","4","3","7","1") = "6"
    & skf21("6","1","1","1","4","4","1","1") = "5"
    & skf21("6","1","1","1","4","4","2","1") = "5"
    & skf21("6","1","1","1","4","4","3","1") = "5"
    & skf21("6","1","1","1","4","4","4","1") = "5"
    & skf21("6","1","1","1","4","4","5","1") = "5"
    & skf21("6","1","1","1","4","4","6","1") = "5"
    & skf21("6","1","1","1","4","4","7","1") = "6"
    & skf21("6","1","1","1","4","5","1","1") = "5"
    & skf21("6","1","1","1","4","5","2","1") = "5"
    & skf21("6","1","1","1","4","5","3","1") = "5"
    & skf21("6","1","1","1","4","5","4","1") = "5"
    & skf21("6","1","1","1","4","5","5","1") = "5"
    & skf21("6","1","1","1","4","5","6","1") = "5"
    & skf21("6","1","1","1","4","5","7","1") = "6"
    & skf21("6","1","1","1","4","6","1","1") = "5"
    & skf21("6","1","1","1","4","6","2","1") = "5"
    & skf21("6","1","1","1","4","6","3","1") = "5"
    & skf21("6","1","1","1","4","6","4","1") = "5"
    & skf21("6","1","1","1","4","6","5","1") = "5"
    & skf21("6","1","1","1","4","6","6","1") = "5"
    & skf21("6","1","1","1","4","6","7","1") = "6"
    & skf21("6","1","1","1","4","7","1","1") = "6"
    & skf21("6","1","1","1","4","7","2","1") = "6"
    & skf21("6","1","1","1","4","7","3","1") = "6"
    & skf21("6","1","1","1","4","7","4","1") = "6"
    & skf21("6","1","1","1","4","7","5","1") = "6"
    & skf21("6","1","1","1","4","7","6","1") = "6"
    & skf21("6","1","1","1","4","7","7","1") = "6"
    & skf21("6","1","1","1","5","1","1","1") = "5"
    & skf21("6","1","1","1","5","1","2","1") = "5"
    & skf21("6","1","1","1","5","1","3","1") = "5"
    & skf21("6","1","1","1","5","1","4","1") = "5"
    & skf21("6","1","1","1","5","1","5","1") = "5"
    & skf21("6","1","1","1","5","1","6","1") = "5"
    & skf21("6","1","1","1","5","1","7","1") = "6"
    & skf21("6","1","1","1","5","2","1","1") = "5"
    & skf21("6","1","1","1","5","2","2","1") = "5"
    & skf21("6","1","1","1","5","2","3","1") = "5"
    & skf21("6","1","1","1","5","2","4","1") = "5"
    & skf21("6","1","1","1","5","2","5","1") = "5"
    & skf21("6","1","1","1","5","2","6","1") = "5"
    & skf21("6","1","1","1","5","2","7","1") = "6"
    & skf21("6","1","1","1","5","3","1","1") = "5"
    & skf21("6","1","1","1","5","3","2","1") = "5"
    & skf21("6","1","1","1","5","3","3","1") = "5"
    & skf21("6","1","1","1","5","3","4","1") = "5"
    & skf21("6","1","1","1","5","3","5","1") = "5"
    & skf21("6","1","1","1","5","3","6","1") = "5"
    & skf21("6","1","1","1","5","3","7","1") = "6"
    & skf21("6","1","1","1","5","4","1","1") = "5"
    & skf21("6","1","1","1","5","4","2","1") = "5"
    & skf21("6","1","1","1","5","4","3","1") = "5"
    & skf21("6","1","1","1","5","4","4","1") = "5"
    & skf21("6","1","1","1","5","4","5","1") = "5"
    & skf21("6","1","1","1","5","4","6","1") = "5"
    & skf21("6","1","1","1","5","4","7","1") = "6"
    & skf21("6","1","1","1","5","5","1","1") = "5"
    & skf21("6","1","1","1","5","5","2","1") = "5"
    & skf21("6","1","1","1","5","5","3","1") = "5"
    & skf21("6","1","1","1","5","5","4","1") = "5"
    & skf21("6","1","1","1","5","5","5","1") = "5"
    & skf21("6","1","1","1","5","5","6","1") = "5"
    & skf21("6","1","1","1","5","5","7","1") = "6"
    & skf21("6","1","1","1","5","6","1","1") = "5"
    & skf21("6","1","1","1","5","6","2","1") = "5"
    & skf21("6","1","1","1","5","6","3","1") = "5"
    & skf21("6","1","1","1","5","6","4","1") = "5"
    & skf21("6","1","1","1","5","6","5","1") = "5"
    & skf21("6","1","1","1","5","6","6","1") = "5"
    & skf21("6","1","1","1","5","6","7","1") = "6"
    & skf21("6","1","1","1","5","7","1","1") = "6"
    & skf21("6","1","1","1","5","7","2","1") = "6"
    & skf21("6","1","1","1","5","7","3","1") = "6"
    & skf21("6","1","1","1","5","7","4","1") = "6"
    & skf21("6","1","1","1","5","7","5","1") = "6"
    & skf21("6","1","1","1","5","7","6","1") = "6"
    & skf21("6","1","1","1","5","7","7","1") = "6"
    & skf21("6","1","1","1","6","1","1","1") = "5"
    & skf21("6","1","1","1","6","1","2","1") = "5"
    & skf21("6","1","1","1","6","1","3","1") = "5"
    & skf21("6","1","1","1","6","1","4","1") = "5"
    & skf21("6","1","1","1","6","1","5","1") = "5"
    & skf21("6","1","1","1","6","1","6","1") = "5"
    & skf21("6","1","1","1","6","1","7","1") = "6"
    & skf21("6","1","1","1","6","2","1","1") = "5"
    & skf21("6","1","1","1","6","2","2","1") = "5"
    & skf21("6","1","1","1","6","2","3","1") = "5"
    & skf21("6","1","1","1","6","2","4","1") = "5"
    & skf21("6","1","1","1","6","2","5","1") = "5"
    & skf21("6","1","1","1","6","2","6","1") = "5"
    & skf21("6","1","1","1","6","2","7","1") = "6"
    & skf21("6","1","1","1","6","3","1","1") = "5"
    & skf21("6","1","1","1","6","3","2","1") = "5"
    & skf21("6","1","1","1","6","3","3","1") = "5"
    & skf21("6","1","1","1","6","3","4","1") = "5"
    & skf21("6","1","1","1","6","3","5","1") = "5"
    & skf21("6","1","1","1","6","3","6","1") = "5"
    & skf21("6","1","1","1","6","3","7","1") = "6"
    & skf21("6","1","1","1","6","4","1","1") = "5"
    & skf21("6","1","1","1","6","4","2","1") = "5"
    & skf21("6","1","1","1","6","4","3","1") = "5"
    & skf21("6","1","1","1","6","4","4","1") = "5"
    & skf21("6","1","1","1","6","4","5","1") = "5"
    & skf21("6","1","1","1","6","4","6","1") = "5"
    & skf21("6","1","1","1","6","4","7","1") = "6"
    & skf21("6","1","1","1","6","5","1","1") = "5"
    & skf21("6","1","1","1","6","5","2","1") = "5"
    & skf21("6","1","1","1","6","5","3","1") = "5"
    & skf21("6","1","1","1","6","5","4","1") = "5"
    & skf21("6","1","1","1","6","5","5","1") = "5"
    & skf21("6","1","1","1","6","5","6","1") = "5"
    & skf21("6","1","1","1","6","5","7","1") = "6"
    & skf21("6","1","1","1","6","6","1","1") = "5"
    & skf21("6","1","1","1","6","6","2","1") = "5"
    & skf21("6","1","1","1","6","6","3","1") = "5"
    & skf21("6","1","1","1","6","6","4","1") = "5"
    & skf21("6","1","1","1","6","6","5","1") = "5"
    & skf21("6","1","1","1","6","6","6","1") = "5"
    & skf21("6","1","1","1","6","6","7","1") = "6"
    & skf21("6","1","1","1","6","7","1","1") = "6"
    & skf21("6","1","1","1","6","7","2","1") = "6"
    & skf21("6","1","1","1","6","7","3","1") = "6"
    & skf21("6","1","1","1","6","7","4","1") = "6"
    & skf21("6","1","1","1","6","7","5","1") = "6"
    & skf21("6","1","1","1","6","7","6","1") = "6"
    & skf21("6","1","1","1","6","7","7","1") = "6"
    & skf21("6","1","1","1","7","1","1","1") = "6"
    & skf21("6","1","1","1","7","1","2","1") = "6"
    & skf21("6","1","1","1","7","1","3","1") = "6"
    & skf21("6","1","1","1","7","1","4","1") = "6"
    & skf21("6","1","1","1","7","1","5","1") = "6"
    & skf21("6","1","1","1","7","1","6","1") = "6"
    & skf21("6","1","1","1","7","1","7","1") = "6"
    & skf21("6","1","1","1","7","2","1","1") = "6"
    & skf21("6","1","1","1","7","2","2","1") = "6"
    & skf21("6","1","1","1","7","2","3","1") = "6"
    & skf21("6","1","1","1","7","2","4","1") = "6"
    & skf21("6","1","1","1","7","2","5","1") = "6"
    & skf21("6","1","1","1","7","2","6","1") = "6"
    & skf21("6","1","1","1","7","2","7","1") = "6"
    & skf21("6","1","1","1","7","3","1","1") = "6"
    & skf21("6","1","1","1","7","3","2","1") = "6"
    & skf21("6","1","1","1","7","3","3","1") = "6"
    & skf21("6","1","1","1","7","3","4","1") = "6"
    & skf21("6","1","1","1","7","3","5","1") = "6"
    & skf21("6","1","1","1","7","3","6","1") = "6"
    & skf21("6","1","1","1","7","3","7","1") = "6"
    & skf21("6","1","1","1","7","4","1","1") = "6"
    & skf21("6","1","1","1","7","4","2","1") = "6"
    & skf21("6","1","1","1","7","4","3","1") = "6"
    & skf21("6","1","1","1","7","4","4","1") = "6"
    & skf21("6","1","1","1","7","4","5","1") = "6"
    & skf21("6","1","1","1","7","4","6","1") = "6"
    & skf21("6","1","1","1","7","4","7","1") = "6"
    & skf21("6","1","1","1","7","5","1","1") = "6"
    & skf21("6","1","1","1","7","5","2","1") = "6"
    & skf21("6","1","1","1","7","5","3","1") = "6"
    & skf21("6","1","1","1","7","5","4","1") = "6"
    & skf21("6","1","1","1","7","5","5","1") = "6"
    & skf21("6","1","1","1","7","5","6","1") = "6"
    & skf21("6","1","1","1","7","5","7","1") = "6"
    & skf21("6","1","1","1","7","6","1","1") = "6"
    & skf21("6","1","1","1","7","6","2","1") = "6"
    & skf21("6","1","1","1","7","6","3","1") = "6"
    & skf21("6","1","1","1","7","6","4","1") = "6"
    & skf21("6","1","1","1","7","6","5","1") = "6"
    & skf21("6","1","1","1","7","6","6","1") = "6"
    & skf21("6","1","1","1","7","6","7","1") = "6"
    & skf21("6","1","1","1","7","7","1","1") = "6"
    & skf21("6","1","1","1","7","7","2","1") = "6"
    & skf21("6","1","1","1","7","7","3","1") = "6"
    & skf21("6","1","1","1","7","7","4","1") = "6"
    & skf21("6","1","1","1","7","7","5","1") = "6"
    & skf21("6","1","1","1","7","7","6","1") = "6"
    & skf21("6","1","1","1","7","7","7","1") = "6"
    & skf21("6","1","1","2","1","1","1","1") = "5"
    & skf21("6","1","1","2","1","1","2","1") = "5"
    & skf21("6","1","1","2","1","1","3","1") = "5"
    & skf21("6","1","1","2","1","1","4","1") = "5"
    & skf21("6","1","1","2","1","1","5","1") = "5"
    & skf21("6","1","1","2","1","1","6","1") = "5"
    & skf21("6","1","1","2","1","1","7","1") = "6"
    & skf21("6","1","1","2","1","2","1","1") = "5"
    & skf21("6","1","1","2","1","2","2","1") = "5"
    & skf21("6","1","1","2","1","2","3","1") = "5"
    & skf21("6","1","1","2","1","2","4","1") = "5"
    & skf21("6","1","1","2","1","2","5","1") = "5"
    & skf21("6","1","1","2","1","2","6","1") = "5"
    & skf21("6","1","1","2","1","2","7","1") = "6"
    & skf21("6","1","1","2","1","3","1","1") = "5"
    & skf21("6","1","1","2","1","3","2","1") = "5"
    & skf21("6","1","1","2","1","3","3","1") = "5"
    & skf21("6","1","1","2","1","3","4","1") = "5"
    & skf21("6","1","1","2","1","3","5","1") = "5"
    & skf21("6","1","1","2","1","3","6","1") = "5"
    & skf21("6","1","1","2","1","3","7","1") = "6"
    & skf21("6","1","1","2","1","4","1","1") = "5"
    & skf21("6","1","1","2","1","4","2","1") = "5"
    & skf21("6","1","1","2","1","4","3","1") = "5"
    & skf21("6","1","1","2","1","4","4","1") = "5"
    & skf21("6","1","1","2","1","4","5","1") = "5"
    & skf21("6","1","1","2","1","4","6","1") = "5"
    & skf21("6","1","1","2","1","4","7","1") = "6"
    & skf21("6","1","1","2","1","5","1","1") = "5"
    & skf21("6","1","1","2","1","5","2","1") = "5"
    & skf21("6","1","1","2","1","5","3","1") = "5"
    & skf21("6","1","1","2","1","5","4","1") = "5"
    & skf21("6","1","1","2","1","5","5","1") = "5"
    & skf21("6","1","1","2","1","5","6","1") = "5"
    & skf21("6","1","1","2","1","5","7","1") = "6"
    & skf21("6","1","1","2","1","6","1","1") = "5"
    & skf21("6","1","1","2","1","6","2","1") = "5"
    & skf21("6","1","1","2","1","6","3","1") = "5"
    & skf21("6","1","1","2","1","6","4","1") = "5"
    & skf21("6","1","1","2","1","6","5","1") = "5"
    & skf21("6","1","1","2","1","6","6","1") = "5"
    & skf21("6","1","1","2","1","6","7","1") = "6"
    & skf21("6","1","1","2","1","7","1","1") = "6"
    & skf21("6","1","1","2","1","7","2","1") = "6"
    & skf21("6","1","1","2","1","7","3","1") = "6"
    & skf21("6","1","1","2","1","7","4","1") = "6"
    & skf21("6","1","1","2","1","7","5","1") = "6"
    & skf21("6","1","1","2","1","7","6","1") = "6"
    & skf21("6","1","1","2","1","7","7","1") = "6"
    & skf21("6","1","1","2","2","1","1","1") = "5"
    & skf21("6","1","1","2","2","1","2","1") = "5"
    & skf21("6","1","1","2","2","1","3","1") = "5"
    & skf21("6","1","1","2","2","1","4","1") = "5"
    & skf21("6","1","1","2","2","1","5","1") = "5"
    & skf21("6","1","1","2","2","1","6","1") = "5"
    & skf21("6","1","1","2","2","1","7","1") = "6"
    & skf21("6","1","1","2","2","2","1","1") = "5"
    & skf21("6","1","1","2","2","2","2","1") = "5"
    & skf21("6","1","1","2","2","2","3","1") = "5"
    & skf21("6","1","1","2","2","2","4","1") = "5"
    & skf21("6","1","1","2","2","2","5","1") = "5"
    & skf21("6","1","1","2","2","2","6","1") = "5"
    & skf21("6","1","1","2","2","2","7","1") = "6"
    & skf21("6","1","1","2","2","3","1","1") = "5"
    & skf21("6","1","1","2","2","3","2","1") = "5"
    & skf21("6","1","1","2","2","3","3","1") = "5"
    & skf21("6","1","1","2","2","3","4","1") = "5"
    & skf21("6","1","1","2","2","3","5","1") = "5"
    & skf21("6","1","1","2","2","3","6","1") = "5"
    & skf21("6","1","1","2","2","3","7","1") = "6"
    & skf21("6","1","1","2","2","4","1","1") = "5"
    & skf21("6","1","1","2","2","4","2","1") = "5"
    & skf21("6","1","1","2","2","4","3","1") = "5"
    & skf21("6","1","1","2","2","4","4","1") = "5"
    & skf21("6","1","1","2","2","4","5","1") = "5"
    & skf21("6","1","1","2","2","4","6","1") = "5"
    & skf21("6","1","1","2","2","4","7","1") = "6"
    & skf21("6","1","1","2","2","5","1","1") = "5"
    & skf21("6","1","1","2","2","5","2","1") = "5"
    & skf21("6","1","1","2","2","5","3","1") = "5"
    & skf21("6","1","1","2","2","5","4","1") = "5"
    & skf21("6","1","1","2","2","5","5","1") = "5"
    & skf21("6","1","1","2","2","5","6","1") = "5"
    & skf21("6","1","1","2","2","5","7","1") = "6"
    & skf21("6","1","1","2","2","6","1","1") = "5"
    & skf21("6","1","1","2","2","6","2","1") = "5"
    & skf21("6","1","1","2","2","6","3","1") = "5"
    & skf21("6","1","1","2","2","6","4","1") = "5"
    & skf21("6","1","1","2","2","6","5","1") = "5"
    & skf21("6","1","1","2","2","6","6","1") = "5"
    & skf21("6","1","1","2","2","6","7","1") = "6"
    & skf21("6","1","1","2","2","7","1","1") = "6"
    & skf21("6","1","1","2","2","7","2","1") = "6"
    & skf21("6","1","1","2","2","7","3","1") = "6"
    & skf21("6","1","1","2","2","7","4","1") = "6"
    & skf21("6","1","1","2","2","7","5","1") = "6"
    & skf21("6","1","1","2","2","7","6","1") = "6"
    & skf21("6","1","1","2","2","7","7","1") = "6"
    & skf21("6","1","1","2","3","1","1","1") = "5"
    & skf21("6","1","1","2","3","1","2","1") = "5"
    & skf21("6","1","1","2","3","1","3","1") = "5"
    & skf21("6","1","1","2","3","1","4","1") = "5"
    & skf21("6","1","1","2","3","1","5","1") = "5"
    & skf21("6","1","1","2","3","1","6","1") = "5"
    & skf21("6","1","1","2","3","1","7","1") = "6"
    & skf21("6","1","1","2","3","2","1","1") = "5"
    & skf21("6","1","1","2","3","2","2","1") = "5"
    & skf21("6","1","1","2","3","2","3","1") = "5"
    & skf21("6","1","1","2","3","2","4","1") = "5"
    & skf21("6","1","1","2","3","2","5","1") = "5"
    & skf21("6","1","1","2","3","2","6","1") = "5"
    & skf21("6","1","1","2","3","2","7","1") = "6"
    & skf21("6","1","1","2","3","3","1","1") = "5"
    & skf21("6","1","1","2","3","3","2","1") = "5"
    & skf21("6","1","1","2","3","3","3","1") = "5"
    & skf21("6","1","1","2","3","3","4","1") = "5"
    & skf21("6","1","1","2","3","3","5","1") = "5"
    & skf21("6","1","1","2","3","3","6","1") = "5"
    & skf21("6","1","1","2","3","3","7","1") = "6"
    & skf21("6","1","1","2","3","4","1","1") = "5"
    & skf21("6","1","1","2","3","4","2","1") = "5"
    & skf21("6","1","1","2","3","4","3","1") = "5"
    & skf21("6","1","1","2","3","4","4","1") = "5"
    & skf21("6","1","1","2","3","4","5","1") = "5"
    & skf21("6","1","1","2","3","4","6","1") = "5"
    & skf21("6","1","1","2","3","4","7","1") = "6"
    & skf21("6","1","1","2","3","5","1","1") = "5"
    & skf21("6","1","1","2","3","5","2","1") = "5"
    & skf21("6","1","1","2","3","5","3","1") = "5"
    & skf21("6","1","1","2","3","5","4","1") = "5"
    & skf21("6","1","1","2","3","5","5","1") = "5"
    & skf21("6","1","1","2","3","5","6","1") = "5"
    & skf21("6","1","1","2","3","5","7","1") = "6"
    & skf21("6","1","1","2","3","6","1","1") = "5"
    & skf21("6","1","1","2","3","6","2","1") = "5"
    & skf21("6","1","1","2","3","6","3","1") = "5"
    & skf21("6","1","1","2","3","6","4","1") = "5"
    & skf21("6","1","1","2","3","6","5","1") = "5"
    & skf21("6","1","1","2","3","6","6","1") = "5"
    & skf21("6","1","1","2","3","6","7","1") = "6"
    & skf21("6","1","1","2","3","7","1","1") = "6"
    & skf21("6","1","1","2","3","7","2","1") = "6"
    & skf21("6","1","1","2","3","7","3","1") = "6"
    & skf21("6","1","1","2","3","7","4","1") = "6"
    & skf21("6","1","1","2","3","7","5","1") = "6"
    & skf21("6","1","1","2","3","7","6","1") = "6"
    & skf21("6","1","1","2","3","7","7","1") = "6"
    & skf21("6","1","1","2","4","1","1","1") = "5"
    & skf21("6","1","1","2","4","1","2","1") = "5"
    & skf21("6","1","1","2","4","1","3","1") = "5"
    & skf21("6","1","1","2","4","1","4","1") = "5"
    & skf21("6","1","1","2","4","1","5","1") = "5"
    & skf21("6","1","1","2","4","1","6","1") = "5"
    & skf21("6","1","1","2","4","1","7","1") = "6"
    & skf21("6","1","1","2","4","2","1","1") = "5"
    & skf21("6","1","1","2","4","2","2","1") = "5"
    & skf21("6","1","1","2","4","2","3","1") = "5"
    & skf21("6","1","1","2","4","2","4","1") = "5"
    & skf21("6","1","1","2","4","2","5","1") = "5"
    & skf21("6","1","1","2","4","2","6","1") = "5"
    & skf21("6","1","1","2","4","2","7","1") = "6"
    & skf21("6","1","1","2","4","3","1","1") = "5"
    & skf21("6","1","1","2","4","3","2","1") = "5"
    & skf21("6","1","1","2","4","3","3","1") = "5"
    & skf21("6","1","1","2","4","3","4","1") = "5"
    & skf21("6","1","1","2","4","3","5","1") = "5"
    & skf21("6","1","1","2","4","3","6","1") = "5"
    & skf21("6","1","1","2","4","3","7","1") = "6"
    & skf21("6","1","1","2","4","4","1","1") = "5"
    & skf21("6","1","1","2","4","4","2","1") = "5"
    & skf21("6","1","1","2","4","4","3","1") = "5"
    & skf21("6","1","1","2","4","4","4","1") = "5"
    & skf21("6","1","1","2","4","4","5","1") = "5"
    & skf21("6","1","1","2","4","4","6","1") = "5"
    & skf21("6","1","1","2","4","4","7","1") = "6"
    & skf21("6","1","1","2","4","5","1","1") = "5"
    & skf21("6","1","1","2","4","5","2","1") = "5"
    & skf21("6","1","1","2","4","5","3","1") = "5"
    & skf21("6","1","1","2","4","5","4","1") = "5"
    & skf21("6","1","1","2","4","5","5","1") = "5"
    & skf21("6","1","1","2","4","5","6","1") = "5"
    & skf21("6","1","1","2","4","5","7","1") = "6"
    & skf21("6","1","1","2","4","6","1","1") = "5"
    & skf21("6","1","1","2","4","6","2","1") = "5"
    & skf21("6","1","1","2","4","6","3","1") = "5"
    & skf21("6","1","1","2","4","6","4","1") = "5"
    & skf21("6","1","1","2","4","6","5","1") = "5"
    & skf21("6","1","1","2","4","6","6","1") = "5"
    & skf21("6","1","1","2","4","6","7","1") = "6"
    & skf21("6","1","1","2","4","7","1","1") = "6"
    & skf21("6","1","1","2","4","7","2","1") = "6"
    & skf21("6","1","1","2","4","7","3","1") = "6"
    & skf21("6","1","1","2","4","7","4","1") = "6"
    & skf21("6","1","1","2","4","7","5","1") = "6"
    & skf21("6","1","1","2","4","7","6","1") = "6"
    & skf21("6","1","1","2","4","7","7","1") = "6"
    & skf21("6","1","1","2","5","1","1","1") = "5"
    & skf21("6","1","1","2","5","1","2","1") = "5"
    & skf21("6","1","1","2","5","1","3","1") = "5"
    & skf21("6","1","1","2","5","1","4","1") = "5"
    & skf21("6","1","1","2","5","1","5","1") = "5"
    & skf21("6","1","1","2","5","1","6","1") = "5"
    & skf21("6","1","1","2","5","1","7","1") = "6"
    & skf21("6","1","1","2","5","2","1","1") = "5"
    & skf21("6","1","1","2","5","2","2","1") = "5"
    & skf21("6","1","1","2","5","2","3","1") = "5"
    & skf21("6","1","1","2","5","2","4","1") = "5"
    & skf21("6","1","1","2","5","2","5","1") = "5"
    & skf21("6","1","1","2","5","2","6","1") = "5"
    & skf21("6","1","1","2","5","2","7","1") = "6"
    & skf21("6","1","1","2","5","3","1","1") = "5"
    & skf21("6","1","1","2","5","3","2","1") = "5"
    & skf21("6","1","1","2","5","3","3","1") = "5"
    & skf21("6","1","1","2","5","3","4","1") = "5"
    & skf21("6","1","1","2","5","3","5","1") = "5"
    & skf21("6","1","1","2","5","3","6","1") = "5"
    & skf21("6","1","1","2","5","3","7","1") = "6"
    & skf21("6","1","1","2","5","4","1","1") = "5"
    & skf21("6","1","1","2","5","4","2","1") = "5"
    & skf21("6","1","1","2","5","4","3","1") = "5"
    & skf21("6","1","1","2","5","4","4","1") = "5"
    & skf21("6","1","1","2","5","4","5","1") = "5"
    & skf21("6","1","1","2","5","4","6","1") = "5"
    & skf21("6","1","1","2","5","4","7","1") = "6"
    & skf21("6","1","1","2","5","5","1","1") = "5"
    & skf21("6","1","1","2","5","5","2","1") = "5"
    & skf21("6","1","1","2","5","5","3","1") = "5"
    & skf21("6","1","1","2","5","5","4","1") = "5"
    & skf21("6","1","1","2","5","5","5","1") = "5"
    & skf21("6","1","1","2","5","5","6","1") = "5"
    & skf21("6","1","1","2","5","5","7","1") = "6"
    & skf21("6","1","1","2","5","6","1","1") = "5"
    & skf21("6","1","1","2","5","6","2","1") = "5"
    & skf21("6","1","1","2","5","6","3","1") = "5"
    & skf21("6","1","1","2","5","6","4","1") = "5"
    & skf21("6","1","1","2","5","6","5","1") = "5"
    & skf21("6","1","1","2","5","6","6","1") = "5"
    & skf21("6","1","1","2","5","6","7","1") = "6"
    & skf21("6","1","1","2","5","7","1","1") = "6"
    & skf21("6","1","1","2","5","7","2","1") = "6"
    & skf21("6","1","1","2","5","7","3","1") = "6"
    & skf21("6","1","1","2","5","7","4","1") = "6"
    & skf21("6","1","1","2","5","7","5","1") = "6"
    & skf21("6","1","1","2","5","7","6","1") = "6"
    & skf21("6","1","1","2","5","7","7","1") = "6"
    & skf21("6","1","1","2","6","1","1","1") = "5"
    & skf21("6","1","1","2","6","1","2","1") = "5"
    & skf21("6","1","1","2","6","1","3","1") = "5"
    & skf21("6","1","1","2","6","1","4","1") = "5"
    & skf21("6","1","1","2","6","1","5","1") = "5"
    & skf21("6","1","1","2","6","1","6","1") = "5"
    & skf21("6","1","1","2","6","1","7","1") = "6"
    & skf21("6","1","1","2","6","2","1","1") = "5"
    & skf21("6","1","1","2","6","2","2","1") = "5"
    & skf21("6","1","1","2","6","2","3","1") = "5"
    & skf21("6","1","1","2","6","2","4","1") = "5"
    & skf21("6","1","1","2","6","2","5","1") = "5"
    & skf21("6","1","1","2","6","2","6","1") = "5"
    & skf21("6","1","1","2","6","2","7","1") = "6"
    & skf21("6","1","1","2","6","3","1","1") = "5"
    & skf21("6","1","1","2","6","3","2","1") = "5"
    & skf21("6","1","1","2","6","3","3","1") = "5"
    & skf21("6","1","1","2","6","3","4","1") = "5"
    & skf21("6","1","1","2","6","3","5","1") = "5"
    & skf21("6","1","1","2","6","3","6","1") = "5"
    & skf21("6","1","1","2","6","3","7","1") = "6"
    & skf21("6","1","1","2","6","4","1","1") = "5"
    & skf21("6","1","1","2","6","4","2","1") = "5"
    & skf21("6","1","1","2","6","4","3","1") = "5"
    & skf21("6","1","1","2","6","4","4","1") = "5"
    & skf21("6","1","1","2","6","4","5","1") = "5"
    & skf21("6","1","1","2","6","4","6","1") = "5"
    & skf21("6","1","1","2","6","4","7","1") = "6"
    & skf21("6","1","1","2","6","5","1","1") = "5"
    & skf21("6","1","1","2","6","5","2","1") = "5"
    & skf21("6","1","1","2","6","5","3","1") = "5"
    & skf21("6","1","1","2","6","5","4","1") = "5"
    & skf21("6","1","1","2","6","5","5","1") = "5"
    & skf21("6","1","1","2","6","5","6","1") = "5"
    & skf21("6","1","1","2","6","5","7","1") = "6"
    & skf21("6","1","1","2","6","6","1","1") = "5"
    & skf21("6","1","1","2","6","6","2","1") = "5"
    & skf21("6","1","1","2","6","6","3","1") = "5"
    & skf21("6","1","1","2","6","6","4","1") = "5"
    & skf21("6","1","1","2","6","6","5","1") = "5"
    & skf21("6","1","1","2","6","6","6","1") = "5"
    & skf21("6","1","1","2","6","6","7","1") = "6"
    & skf21("6","1","1","2","6","7","1","1") = "6"
    & skf21("6","1","1","2","6","7","2","1") = "6"
    & skf21("6","1","1","2","6","7","3","1") = "6"
    & skf21("6","1","1","2","6","7","4","1") = "6"
    & skf21("6","1","1","2","6","7","5","1") = "6"
    & skf21("6","1","1","2","6","7","6","1") = "6"
    & skf21("6","1","1","2","6","7","7","1") = "6"
    & skf21("6","1","1","2","7","1","1","1") = "6"
    & skf21("6","1","1","2","7","1","2","1") = "6"
    & skf21("6","1","1","2","7","1","3","1") = "6"
    & skf21("6","1","1","2","7","1","4","1") = "6"
    & skf21("6","1","1","2","7","1","5","1") = "6"
    & skf21("6","1","1","2","7","1","6","1") = "6"
    & skf21("6","1","1","2","7","1","7","1") = "6"
    & skf21("6","1","1","2","7","2","1","1") = "6"
    & skf21("6","1","1","2","7","2","2","1") = "6"
    & skf21("6","1","1","2","7","2","3","1") = "6"
    & skf21("6","1","1","2","7","2","4","1") = "6"
    & skf21("6","1","1","2","7","2","5","1") = "6"
    & skf21("6","1","1","2","7","2","6","1") = "6"
    & skf21("6","1","1","2","7","2","7","1") = "6"
    & skf21("6","1","1","2","7","3","1","1") = "6"
    & skf21("6","1","1","2","7","3","2","1") = "6"
    & skf21("6","1","1","2","7","3","3","1") = "6"
    & skf21("6","1","1","2","7","3","4","1") = "6"
    & skf21("6","1","1","2","7","3","5","1") = "6"
    & skf21("6","1","1","2","7","3","6","1") = "6"
    & skf21("6","1","1","2","7","3","7","1") = "6"
    & skf21("6","1","1","2","7","4","1","1") = "6"
    & skf21("6","1","1","2","7","4","2","1") = "6"
    & skf21("6","1","1","2","7","4","3","1") = "6"
    & skf21("6","1","1","2","7","4","4","1") = "6"
    & skf21("6","1","1","2","7","4","5","1") = "6"
    & skf21("6","1","1","2","7","4","6","1") = "6"
    & skf21("6","1","1","2","7","4","7","1") = "6"
    & skf21("6","1","1","2","7","5","1","1") = "6"
    & skf21("6","1","1","2","7","5","2","1") = "6"
    & skf21("6","1","1","2","7","5","3","1") = "6"
    & skf21("6","1","1","2","7","5","4","1") = "6"
    & skf21("6","1","1","2","7","5","5","1") = "6"
    & skf21("6","1","1","2","7","5","6","1") = "6"
    & skf21("6","1","1","2","7","5","7","1") = "6"
    & skf21("6","1","1","2","7","6","1","1") = "6"
    & skf21("6","1","1","2","7","6","2","1") = "6"
    & skf21("6","1","1","2","7","6","3","1") = "6"
    & skf21("6","1","1","2","7","6","4","1") = "6"
    & skf21("6","1","1","2","7","6","5","1") = "6"
    & skf21("6","1","1","2","7","6","6","1") = "6"
    & skf21("6","1","1","2","7","6","7","1") = "6"
    & skf21("6","1","1","2","7","7","1","1") = "6"
    & skf21("6","1","1","2","7","7","2","1") = "6"
    & skf21("6","1","1","2","7","7","3","1") = "6"
    & skf21("6","1","1","2","7","7","4","1") = "6"
    & skf21("6","1","1","2","7","7","5","1") = "6"
    & skf21("6","1","1","2","7","7","6","1") = "6"
    & skf21("6","1","1","2","7","7","7","1") = "6"
    & skf21("6","1","1","3","1","1","1","1") = "5"
    & skf21("6","1","1","3","1","1","2","1") = "5"
    & skf21("6","1","1","3","1","1","3","1") = "5"
    & skf21("6","1","1","3","1","1","4","1") = "5"
    & skf21("6","1","1","3","1","1","5","1") = "5"
    & skf21("6","1","1","3","1","1","6","1") = "5"
    & skf21("6","1","1","3","1","1","7","1") = "6"
    & skf21("6","1","1","3","1","2","1","1") = "5"
    & skf21("6","1","1","3","1","2","2","1") = "5"
    & skf21("6","1","1","3","1","2","3","1") = "5"
    & skf21("6","1","1","3","1","2","4","1") = "5"
    & skf21("6","1","1","3","1","2","5","1") = "5"
    & skf21("6","1","1","3","1","2","6","1") = "5"
    & skf21("6","1","1","3","1","2","7","1") = "6"
    & skf21("6","1","1","3","1","3","1","1") = "5"
    & skf21("6","1","1","3","1","3","2","1") = "5"
    & skf21("6","1","1","3","1","3","3","1") = "5"
    & skf21("6","1","1","3","1","3","4","1") = "5"
    & skf21("6","1","1","3","1","3","5","1") = "5"
    & skf21("6","1","1","3","1","3","6","1") = "5"
    & skf21("6","1","1","3","1","3","7","1") = "6"
    & skf21("6","1","1","3","1","4","1","1") = "5"
    & skf21("6","1","1","3","1","4","2","1") = "5"
    & skf21("6","1","1","3","1","4","3","1") = "5"
    & skf21("6","1","1","3","1","4","4","1") = "5"
    & skf21("6","1","1","3","1","4","5","1") = "5"
    & skf21("6","1","1","3","1","4","6","1") = "5"
    & skf21("6","1","1","3","1","4","7","1") = "6"
    & skf21("6","1","1","3","1","5","1","1") = "5"
    & skf21("6","1","1","3","1","5","2","1") = "5"
    & skf21("6","1","1","3","1","5","3","1") = "5"
    & skf21("6","1","1","3","1","5","4","1") = "5"
    & skf21("6","1","1","3","1","5","5","1") = "5"
    & skf21("6","1","1","3","1","5","6","1") = "5"
    & skf21("6","1","1","3","1","5","7","1") = "6"
    & skf21("6","1","1","3","1","6","1","1") = "5"
    & skf21("6","1","1","3","1","6","2","1") = "5"
    & skf21("6","1","1","3","1","6","3","1") = "5"
    & skf21("6","1","1","3","1","6","4","1") = "5"
    & skf21("6","1","1","3","1","6","5","1") = "5"
    & skf21("6","1","1","3","1","6","6","1") = "5"
    & skf21("6","1","1","3","1","6","7","1") = "6"
    & skf21("6","1","1","3","1","7","1","1") = "6"
    & skf21("6","1","1","3","1","7","2","1") = "6"
    & skf21("6","1","1","3","1","7","3","1") = "6"
    & skf21("6","1","1","3","1","7","4","1") = "6"
    & skf21("6","1","1","3","1","7","5","1") = "6"
    & skf21("6","1","1","3","1","7","6","1") = "6"
    & skf21("6","1","1","3","1","7","7","1") = "6"
    & skf21("6","1","1","3","2","1","1","1") = "5"
    & skf21("6","1","1","3","2","1","2","1") = "5"
    & skf21("6","1","1","3","2","1","3","1") = "5"
    & skf21("6","1","1","3","2","1","4","1") = "5"
    & skf21("6","1","1","3","2","1","5","1") = "5"
    & skf21("6","1","1","3","2","1","6","1") = "5"
    & skf21("6","1","1","3","2","1","7","1") = "6"
    & skf21("6","1","1","3","2","2","1","1") = "5"
    & skf21("6","1","1","3","2","2","2","1") = "5"
    & skf21("6","1","1","3","2","2","3","1") = "5"
    & skf21("6","1","1","3","2","2","4","1") = "5"
    & skf21("6","1","1","3","2","2","5","1") = "5"
    & skf21("6","1","1","3","2","2","6","1") = "5"
    & skf21("6","1","1","3","2","2","7","1") = "6"
    & skf21("6","1","1","3","2","3","1","1") = "5"
    & skf21("6","1","1","3","2","3","2","1") = "5"
    & skf21("6","1","1","3","2","3","3","1") = "5"
    & skf21("6","1","1","3","2","3","4","1") = "5"
    & skf21("6","1","1","3","2","3","5","1") = "5"
    & skf21("6","1","1","3","2","3","6","1") = "5"
    & skf21("6","1","1","3","2","3","7","1") = "6"
    & skf21("6","1","1","3","2","4","1","1") = "5"
    & skf21("6","1","1","3","2","4","2","1") = "5"
    & skf21("6","1","1","3","2","4","3","1") = "5"
    & skf21("6","1","1","3","2","4","4","1") = "5"
    & skf21("6","1","1","3","2","4","5","1") = "5"
    & skf21("6","1","1","3","2","4","6","1") = "5"
    & skf21("6","1","1","3","2","4","7","1") = "6"
    & skf21("6","1","1","3","2","5","1","1") = "5"
    & skf21("6","1","1","3","2","5","2","1") = "5"
    & skf21("6","1","1","3","2","5","3","1") = "5"
    & skf21("6","1","1","3","2","5","4","1") = "5"
    & skf21("6","1","1","3","2","5","5","1") = "5"
    & skf21("6","1","1","3","2","5","6","1") = "5"
    & skf21("6","1","1","3","2","5","7","1") = "6"
    & skf21("6","1","1","3","2","6","1","1") = "5"
    & skf21("6","1","1","3","2","6","2","1") = "5"
    & skf21("6","1","1","3","2","6","3","1") = "5"
    & skf21("6","1","1","3","2","6","4","1") = "5"
    & skf21("6","1","1","3","2","6","5","1") = "5"
    & skf21("6","1","1","3","2","6","6","1") = "5"
    & skf21("6","1","1","3","2","6","7","1") = "6"
    & skf21("6","1","1","3","2","7","1","1") = "6"
    & skf21("6","1","1","3","2","7","2","1") = "6"
    & skf21("6","1","1","3","2","7","3","1") = "6"
    & skf21("6","1","1","3","2","7","4","1") = "6"
    & skf21("6","1","1","3","2","7","5","1") = "6"
    & skf21("6","1","1","3","2","7","6","1") = "6"
    & skf21("6","1","1","3","2","7","7","1") = "6"
    & skf21("6","1","1","3","3","1","1","1") = "5"
    & skf21("6","1","1","3","3","1","2","1") = "5"
    & skf21("6","1","1","3","3","1","3","1") = "5"
    & skf21("6","1","1","3","3","1","4","1") = "5"
    & skf21("6","1","1","3","3","1","5","1") = "5"
    & skf21("6","1","1","3","3","1","6","1") = "5"
    & skf21("6","1","1","3","3","1","7","1") = "6"
    & skf21("6","1","1","3","3","2","1","1") = "5"
    & skf21("6","1","1","3","3","2","2","1") = "5"
    & skf21("6","1","1","3","3","2","3","1") = "5"
    & skf21("6","1","1","3","3","2","4","1") = "5"
    & skf21("6","1","1","3","3","2","5","1") = "5"
    & skf21("6","1","1","3","3","2","6","1") = "5"
    & skf21("6","1","1","3","3","2","7","1") = "6"
    & skf21("6","1","1","3","3","3","1","1") = "5"
    & skf21("6","1","1","3","3","3","2","1") = "5"
    & skf21("6","1","1","3","3","3","3","1") = "5"
    & skf21("6","1","1","3","3","3","4","1") = "5"
    & skf21("6","1","1","3","3","3","5","1") = "5"
    & skf21("6","1","1","3","3","3","6","1") = "5"
    & skf21("6","1","1","3","3","3","7","1") = "6"
    & skf21("6","1","1","3","3","4","1","1") = "5"
    & skf21("6","1","1","3","3","4","2","1") = "5"
    & skf21("6","1","1","3","3","4","3","1") = "5"
    & skf21("6","1","1","3","3","4","4","1") = "5"
    & skf21("6","1","1","3","3","4","5","1") = "5"
    & skf21("6","1","1","3","3","4","6","1") = "5"
    & skf21("6","1","1","3","3","4","7","1") = "6"
    & skf21("6","1","1","3","3","5","1","1") = "5"
    & skf21("6","1","1","3","3","5","2","1") = "5"
    & skf21("6","1","1","3","3","5","3","1") = "5"
    & skf21("6","1","1","3","3","5","4","1") = "5"
    & skf21("6","1","1","3","3","5","5","1") = "5"
    & skf21("6","1","1","3","3","5","6","1") = "5"
    & skf21("6","1","1","3","3","5","7","1") = "6"
    & skf21("6","1","1","3","3","6","1","1") = "5"
    & skf21("6","1","1","3","3","6","2","1") = "5"
    & skf21("6","1","1","3","3","6","3","1") = "5"
    & skf21("6","1","1","3","3","6","4","1") = "5"
    & skf21("6","1","1","3","3","6","5","1") = "5"
    & skf21("6","1","1","3","3","6","6","1") = "5"
    & skf21("6","1","1","3","3","6","7","1") = "6"
    & skf21("6","1","1","3","3","7","1","1") = "6"
    & skf21("6","1","1","3","3","7","2","1") = "6"
    & skf21("6","1","1","3","3","7","3","1") = "6"
    & skf21("6","1","1","3","3","7","4","1") = "6"
    & skf21("6","1","1","3","3","7","5","1") = "6"
    & skf21("6","1","1","3","3","7","6","1") = "6"
    & skf21("6","1","1","3","3","7","7","1") = "6"
    & skf21("6","1","1","3","4","1","1","1") = "5"
    & skf21("6","1","1","3","4","1","2","1") = "5"
    & skf21("6","1","1","3","4","1","3","1") = "5"
    & skf21("6","1","1","3","4","1","4","1") = "5"
    & skf21("6","1","1","3","4","1","5","1") = "5"
    & skf21("6","1","1","3","4","1","6","1") = "5"
    & skf21("6","1","1","3","4","1","7","1") = "6"
    & skf21("6","1","1","3","4","2","1","1") = "5"
    & skf21("6","1","1","3","4","2","2","1") = "5"
    & skf21("6","1","1","3","4","2","3","1") = "5"
    & skf21("6","1","1","3","4","2","4","1") = "5"
    & skf21("6","1","1","3","4","2","5","1") = "5"
    & skf21("6","1","1","3","4","2","6","1") = "5"
    & skf21("6","1","1","3","4","2","7","1") = "6"
    & skf21("6","1","1","3","4","3","1","1") = "5"
    & skf21("6","1","1","3","4","3","2","1") = "5"
    & skf21("6","1","1","3","4","3","3","1") = "5"
    & skf21("6","1","1","3","4","3","4","1") = "5"
    & skf21("6","1","1","3","4","3","5","1") = "5"
    & skf21("6","1","1","3","4","3","6","1") = "5"
    & skf21("6","1","1","3","4","3","7","1") = "6"
    & skf21("6","1","1","3","4","4","1","1") = "5"
    & skf21("6","1","1","3","4","4","2","1") = "5"
    & skf21("6","1","1","3","4","4","3","1") = "5"
    & skf21("6","1","1","3","4","4","4","1") = "5"
    & skf21("6","1","1","3","4","4","5","1") = "5"
    & skf21("6","1","1","3","4","4","6","1") = "5"
    & skf21("6","1","1","3","4","4","7","1") = "6"
    & skf21("6","1","1","3","4","5","1","1") = "5"
    & skf21("6","1","1","3","4","5","2","1") = "5"
    & skf21("6","1","1","3","4","5","3","1") = "5"
    & skf21("6","1","1","3","4","5","4","1") = "5"
    & skf21("6","1","1","3","4","5","5","1") = "5"
    & skf21("6","1","1","3","4","5","6","1") = "5"
    & skf21("6","1","1","3","4","5","7","1") = "6"
    & skf21("6","1","1","3","4","6","1","1") = "5"
    & skf21("6","1","1","3","4","6","2","1") = "5"
    & skf21("6","1","1","3","4","6","3","1") = "5"
    & skf21("6","1","1","3","4","6","4","1") = "5"
    & skf21("6","1","1","3","4","6","5","1") = "5"
    & skf21("6","1","1","3","4","6","6","1") = "5"
    & skf21("6","1","1","3","4","6","7","1") = "6"
    & skf21("6","1","1","3","4","7","1","1") = "6"
    & skf21("6","1","1","3","4","7","2","1") = "6"
    & skf21("6","1","1","3","4","7","3","1") = "6"
    & skf21("6","1","1","3","4","7","4","1") = "6"
    & skf21("6","1","1","3","4","7","5","1") = "6"
    & skf21("6","1","1","3","4","7","6","1") = "6"
    & skf21("6","1","1","3","4","7","7","1") = "6"
    & skf21("6","1","1","3","5","1","1","1") = "5"
    & skf21("6","1","1","3","5","1","2","1") = "5"
    & skf21("6","1","1","3","5","1","3","1") = "5"
    & skf21("6","1","1","3","5","1","4","1") = "5"
    & skf21("6","1","1","3","5","1","5","1") = "5"
    & skf21("6","1","1","3","5","1","6","1") = "5"
    & skf21("6","1","1","3","5","1","7","1") = "6"
    & skf21("6","1","1","3","5","2","1","1") = "5"
    & skf21("6","1","1","3","5","2","2","1") = "5"
    & skf21("6","1","1","3","5","2","3","1") = "5"
    & skf21("6","1","1","3","5","2","4","1") = "5"
    & skf21("6","1","1","3","5","2","5","1") = "5"
    & skf21("6","1","1","3","5","2","6","1") = "5"
    & skf21("6","1","1","3","5","2","7","1") = "6"
    & skf21("6","1","1","3","5","3","1","1") = "5"
    & skf21("6","1","1","3","5","3","2","1") = "5"
    & skf21("6","1","1","3","5","3","3","1") = "5"
    & skf21("6","1","1","3","5","3","4","1") = "5"
    & skf21("6","1","1","3","5","3","5","1") = "5"
    & skf21("6","1","1","3","5","3","6","1") = "5"
    & skf21("6","1","1","3","5","3","7","1") = "6"
    & skf21("6","1","1","3","5","4","1","1") = "5"
    & skf21("6","1","1","3","5","4","2","1") = "5"
    & skf21("6","1","1","3","5","4","3","1") = "5"
    & skf21("6","1","1","3","5","4","4","1") = "5"
    & skf21("6","1","1","3","5","4","5","1") = "5"
    & skf21("6","1","1","3","5","4","6","1") = "5"
    & skf21("6","1","1","3","5","4","7","1") = "6"
    & skf21("6","1","1","3","5","5","1","1") = "5"
    & skf21("6","1","1","3","5","5","2","1") = "5"
    & skf21("6","1","1","3","5","5","3","1") = "5"
    & skf21("6","1","1","3","5","5","4","1") = "5"
    & skf21("6","1","1","3","5","5","5","1") = "5"
    & skf21("6","1","1","3","5","5","6","1") = "5"
    & skf21("6","1","1","3","5","5","7","1") = "6"
    & skf21("6","1","1","3","5","6","1","1") = "5"
    & skf21("6","1","1","3","5","6","2","1") = "5"
    & skf21("6","1","1","3","5","6","3","1") = "5"
    & skf21("6","1","1","3","5","6","4","1") = "5"
    & skf21("6","1","1","3","5","6","5","1") = "5"
    & skf21("6","1","1","3","5","6","6","1") = "5"
    & skf21("6","1","1","3","5","6","7","1") = "6"
    & skf21("6","1","1","3","5","7","1","1") = "6"
    & skf21("6","1","1","3","5","7","2","1") = "6"
    & skf21("6","1","1","3","5","7","3","1") = "6"
    & skf21("6","1","1","3","5","7","4","1") = "6"
    & skf21("6","1","1","3","5","7","5","1") = "6"
    & skf21("6","1","1","3","5","7","6","1") = "6"
    & skf21("6","1","1","3","5","7","7","1") = "6"
    & skf21("6","1","1","3","6","1","1","1") = "5"
    & skf21("6","1","1","3","6","1","2","1") = "5"
    & skf21("6","1","1","3","6","1","3","1") = "5"
    & skf21("6","1","1","3","6","1","4","1") = "5"
    & skf21("6","1","1","3","6","1","5","1") = "5"
    & skf21("6","1","1","3","6","1","6","1") = "5"
    & skf21("6","1","1","3","6","1","7","1") = "6"
    & skf21("6","1","1","3","6","2","1","1") = "5"
    & skf21("6","1","1","3","6","2","2","1") = "5"
    & skf21("6","1","1","3","6","2","3","1") = "5"
    & skf21("6","1","1","3","6","2","4","1") = "5"
    & skf21("6","1","1","3","6","2","5","1") = "5"
    & skf21("6","1","1","3","6","2","6","1") = "5"
    & skf21("6","1","1","3","6","2","7","1") = "6"
    & skf21("6","1","1","3","6","3","1","1") = "5"
    & skf21("6","1","1","3","6","3","2","1") = "5"
    & skf21("6","1","1","3","6","3","3","1") = "5"
    & skf21("6","1","1","3","6","3","4","1") = "5"
    & skf21("6","1","1","3","6","3","5","1") = "5"
    & skf21("6","1","1","3","6","3","6","1") = "5"
    & skf21("6","1","1","3","6","3","7","1") = "6"
    & skf21("6","1","1","3","6","4","1","1") = "5"
    & skf21("6","1","1","3","6","4","2","1") = "5"
    & skf21("6","1","1","3","6","4","3","1") = "5"
    & skf21("6","1","1","3","6","4","4","1") = "5"
    & skf21("6","1","1","3","6","4","5","1") = "5"
    & skf21("6","1","1","3","6","4","6","1") = "5"
    & skf21("6","1","1","3","6","4","7","1") = "6"
    & skf21("6","1","1","3","6","5","1","1") = "5"
    & skf21("6","1","1","3","6","5","2","1") = "5"
    & skf21("6","1","1","3","6","5","3","1") = "5"
    & skf21("6","1","1","3","6","5","4","1") = "5"
    & skf21("6","1","1","3","6","5","5","1") = "5"
    & skf21("6","1","1","3","6","5","6","1") = "5"
    & skf21("6","1","1","3","6","5","7","1") = "6"
    & skf21("6","1","1","3","6","6","1","1") = "5"
    & skf21("6","1","1","3","6","6","2","1") = "5"
    & skf21("6","1","1","3","6","6","3","1") = "5"
    & skf21("6","1","1","3","6","6","4","1") = "5"
    & skf21("6","1","1","3","6","6","5","1") = "5"
    & skf21("6","1","1","3","6","6","6","1") = "5"
    & skf21("6","1","1","3","6","6","7","1") = "6"
    & skf21("6","1","1","3","6","7","1","1") = "6"
    & skf21("6","1","1","3","6","7","2","1") = "6"
    & skf21("6","1","1","3","6","7","3","1") = "6"
    & skf21("6","1","1","3","6","7","4","1") = "6"
    & skf21("6","1","1","3","6","7","5","1") = "6"
    & skf21("6","1","1","3","6","7","6","1") = "6"
    & skf21("6","1","1","3","6","7","7","1") = "6"
    & skf21("6","1","1","3","7","1","1","1") = "6"
    & skf21("6","1","1","3","7","1","2","1") = "6"
    & skf21("6","1","1","3","7","1","3","1") = "6"
    & skf21("6","1","1","3","7","1","4","1") = "6"
    & skf21("6","1","1","3","7","1","5","1") = "6"
    & skf21("6","1","1","3","7","1","6","1") = "6"
    & skf21("6","1","1","3","7","1","7","1") = "6"
    & skf21("6","1","1","3","7","2","1","1") = "6"
    & skf21("6","1","1","3","7","2","2","1") = "6"
    & skf21("6","1","1","3","7","2","3","1") = "6"
    & skf21("6","1","1","3","7","2","4","1") = "6"
    & skf21("6","1","1","3","7","2","5","1") = "6"
    & skf21("6","1","1","3","7","2","6","1") = "6"
    & skf21("6","1","1","3","7","2","7","1") = "6"
    & skf21("6","1","1","3","7","3","1","1") = "6"
    & skf21("6","1","1","3","7","3","2","1") = "6"
    & skf21("6","1","1","3","7","3","3","1") = "6"
    & skf21("6","1","1","3","7","3","4","1") = "6"
    & skf21("6","1","1","3","7","3","5","1") = "6"
    & skf21("6","1","1","3","7","3","6","1") = "6"
    & skf21("6","1","1","3","7","3","7","1") = "6"
    & skf21("6","1","1","3","7","4","1","1") = "6"
    & skf21("6","1","1","3","7","4","2","1") = "6"
    & skf21("6","1","1","3","7","4","3","1") = "6"
    & skf21("6","1","1","3","7","4","4","1") = "6"
    & skf21("6","1","1","3","7","4","5","1") = "6"
    & skf21("6","1","1","3","7","4","6","1") = "6"
    & skf21("6","1","1","3","7","4","7","1") = "6"
    & skf21("6","1","1","3","7","5","1","1") = "6"
    & skf21("6","1","1","3","7","5","2","1") = "6"
    & skf21("6","1","1","3","7","5","3","1") = "6"
    & skf21("6","1","1","3","7","5","4","1") = "6"
    & skf21("6","1","1","3","7","5","5","1") = "6"
    & skf21("6","1","1","3","7","5","6","1") = "6"
    & skf21("6","1","1","3","7","5","7","1") = "6"
    & skf21("6","1","1","3","7","6","1","1") = "6"
    & skf21("6","1","1","3","7","6","2","1") = "6"
    & skf21("6","1","1","3","7","6","3","1") = "6"
    & skf21("6","1","1","3","7","6","4","1") = "6"
    & skf21("6","1","1","3","7","6","5","1") = "6"
    & skf21("6","1","1","3","7","6","6","1") = "6"
    & skf21("6","1","1","3","7","6","7","1") = "6"
    & skf21("6","1","1","3","7","7","1","1") = "6"
    & skf21("6","1","1","3","7","7","2","1") = "6"
    & skf21("6","1","1","3","7","7","3","1") = "6"
    & skf21("6","1","1","3","7","7","4","1") = "6"
    & skf21("6","1","1","3","7","7","5","1") = "6"
    & skf21("6","1","1","3","7","7","6","1") = "6"
    & skf21("6","1","1","3","7","7","7","1") = "6"
    & skf21("6","1","1","4","1","1","1","1") = "5"
    & skf21("6","1","1","4","1","1","2","1") = "5"
    & skf21("6","1","1","4","1","1","3","1") = "5"
    & skf21("6","1","1","4","1","1","4","1") = "5"
    & skf21("6","1","1","4","1","1","5","1") = "5"
    & skf21("6","1","1","4","1","1","6","1") = "5"
    & skf21("6","1","1","4","1","1","7","1") = "6"
    & skf21("6","1","1","4","1","2","1","1") = "5"
    & skf21("6","1","1","4","1","2","2","1") = "5"
    & skf21("6","1","1","4","1","2","3","1") = "5"
    & skf21("6","1","1","4","1","2","4","1") = "5"
    & skf21("6","1","1","4","1","2","5","1") = "5"
    & skf21("6","1","1","4","1","2","6","1") = "5"
    & skf21("6","1","1","4","1","2","7","1") = "6"
    & skf21("6","1","1","4","1","3","1","1") = "5"
    & skf21("6","1","1","4","1","3","2","1") = "5"
    & skf21("6","1","1","4","1","3","3","1") = "5"
    & skf21("6","1","1","4","1","3","4","1") = "5"
    & skf21("6","1","1","4","1","3","5","1") = "5"
    & skf21("6","1","1","4","1","3","6","1") = "5"
    & skf21("6","1","1","4","1","3","7","1") = "6"
    & skf21("6","1","1","4","1","4","1","1") = "5"
    & skf21("6","1","1","4","1","4","2","1") = "5"
    & skf21("6","1","1","4","1","4","3","1") = "5"
    & skf21("6","1","1","4","1","4","4","1") = "5"
    & skf21("6","1","1","4","1","4","5","1") = "5"
    & skf21("6","1","1","4","1","4","6","1") = "5"
    & skf21("6","1","1","4","1","4","7","1") = "6"
    & skf21("6","1","1","4","1","5","1","1") = "5"
    & skf21("6","1","1","4","1","5","2","1") = "5"
    & skf21("6","1","1","4","1","5","3","1") = "5"
    & skf21("6","1","1","4","1","5","4","1") = "5"
    & skf21("6","1","1","4","1","5","5","1") = "5"
    & skf21("6","1","1","4","1","5","6","1") = "5"
    & skf21("6","1","1","4","1","5","7","1") = "6"
    & skf21("6","1","1","4","1","6","1","1") = "5"
    & skf21("6","1","1","4","1","6","2","1") = "5"
    & skf21("6","1","1","4","1","6","3","1") = "5"
    & skf21("6","1","1","4","1","6","4","1") = "5"
    & skf21("6","1","1","4","1","6","5","1") = "5"
    & skf21("6","1","1","4","1","6","6","1") = "5"
    & skf21("6","1","1","4","1","6","7","1") = "6"
    & skf21("6","1","1","4","1","7","1","1") = "6"
    & skf21("6","1","1","4","1","7","2","1") = "6"
    & skf21("6","1","1","4","1","7","3","1") = "6"
    & skf21("6","1","1","4","1","7","4","1") = "6"
    & skf21("6","1","1","4","1","7","5","1") = "6"
    & skf21("6","1","1","4","1","7","6","1") = "6"
    & skf21("6","1","1","4","1","7","7","1") = "6"
    & skf21("6","1","1","4","2","1","1","1") = "5"
    & skf21("6","1","1","4","2","1","2","1") = "5"
    & skf21("6","1","1","4","2","1","3","1") = "5"
    & skf21("6","1","1","4","2","1","4","1") = "5"
    & skf21("6","1","1","4","2","1","5","1") = "5"
    & skf21("6","1","1","4","2","1","6","1") = "5"
    & skf21("6","1","1","4","2","1","7","1") = "6"
    & skf21("6","1","1","4","2","2","1","1") = "5"
    & skf21("6","1","1","4","2","2","2","1") = "5"
    & skf21("6","1","1","4","2","2","3","1") = "5"
    & skf21("6","1","1","4","2","2","4","1") = "5"
    & skf21("6","1","1","4","2","2","5","1") = "5"
    & skf21("6","1","1","4","2","2","6","1") = "5"
    & skf21("6","1","1","4","2","2","7","1") = "6"
    & skf21("6","1","1","4","2","3","1","1") = "5"
    & skf21("6","1","1","4","2","3","2","1") = "5"
    & skf21("6","1","1","4","2","3","3","1") = "5"
    & skf21("6","1","1","4","2","3","4","1") = "5"
    & skf21("6","1","1","4","2","3","5","1") = "5"
    & skf21("6","1","1","4","2","3","6","1") = "5"
    & skf21("6","1","1","4","2","3","7","1") = "6"
    & skf21("6","1","1","4","2","4","1","1") = "5"
    & skf21("6","1","1","4","2","4","2","1") = "5"
    & skf21("6","1","1","4","2","4","3","1") = "5"
    & skf21("6","1","1","4","2","4","4","1") = "5"
    & skf21("6","1","1","4","2","4","5","1") = "5"
    & skf21("6","1","1","4","2","4","6","1") = "5"
    & skf21("6","1","1","4","2","4","7","1") = "6"
    & skf21("6","1","1","4","2","5","1","1") = "5"
    & skf21("6","1","1","4","2","5","2","1") = "5"
    & skf21("6","1","1","4","2","5","3","1") = "5"
    & skf21("6","1","1","4","2","5","4","1") = "5"
    & skf21("6","1","1","4","2","5","5","1") = "5"
    & skf21("6","1","1","4","2","5","6","1") = "5"
    & skf21("6","1","1","4","2","5","7","1") = "6"
    & skf21("6","1","1","4","2","6","1","1") = "5"
    & skf21("6","1","1","4","2","6","2","1") = "5"
    & skf21("6","1","1","4","2","6","3","1") = "5"
    & skf21("6","1","1","4","2","6","4","1") = "5"
    & skf21("6","1","1","4","2","6","5","1") = "5"
    & skf21("6","1","1","4","2","6","6","1") = "5"
    & skf21("6","1","1","4","2","6","7","1") = "6"
    & skf21("6","1","1","4","2","7","1","1") = "6"
    & skf21("6","1","1","4","2","7","2","1") = "6"
    & skf21("6","1","1","4","2","7","3","1") = "6"
    & skf21("6","1","1","4","2","7","4","1") = "6"
    & skf21("6","1","1","4","2","7","5","1") = "6"
    & skf21("6","1","1","4","2","7","6","1") = "6"
    & skf21("6","1","1","4","2","7","7","1") = "6"
    & skf21("6","1","1","4","3","1","1","1") = "5"
    & skf21("6","1","1","4","3","1","2","1") = "5"
    & skf21("6","1","1","4","3","1","3","1") = "5"
    & skf21("6","1","1","4","3","1","4","1") = "5"
    & skf21("6","1","1","4","3","1","5","1") = "5"
    & skf21("6","1","1","4","3","1","6","1") = "5"
    & skf21("6","1","1","4","3","1","7","1") = "6"
    & skf21("6","1","1","4","3","2","1","1") = "5"
    & skf21("6","1","1","4","3","2","2","1") = "5"
    & skf21("6","1","1","4","3","2","3","1") = "5"
    & skf21("6","1","1","4","3","2","4","1") = "5"
    & skf21("6","1","1","4","3","2","5","1") = "5"
    & skf21("6","1","1","4","3","2","6","1") = "5"
    & skf21("6","1","1","4","3","2","7","1") = "6"
    & skf21("6","1","1","4","3","3","1","1") = "5"
    & skf21("6","1","1","4","3","3","2","1") = "5"
    & skf21("6","1","1","4","3","3","3","1") = "5"
    & skf21("6","1","1","4","3","3","4","1") = "5"
    & skf21("6","1","1","4","3","3","5","1") = "5"
    & skf21("6","1","1","4","3","3","6","1") = "5"
    & skf21("6","1","1","4","3","3","7","1") = "6"
    & skf21("6","1","1","4","3","4","1","1") = "5"
    & skf21("6","1","1","4","3","4","2","1") = "5"
    & skf21("6","1","1","4","3","4","3","1") = "5"
    & skf21("6","1","1","4","3","4","4","1") = "5"
    & skf21("6","1","1","4","3","4","5","1") = "5"
    & skf21("6","1","1","4","3","4","6","1") = "5"
    & skf21("6","1","1","4","3","4","7","1") = "6"
    & skf21("6","1","1","4","3","5","1","1") = "5"
    & skf21("6","1","1","4","3","5","2","1") = "5"
    & skf21("6","1","1","4","3","5","3","1") = "5"
    & skf21("6","1","1","4","3","5","4","1") = "5"
    & skf21("6","1","1","4","3","5","5","1") = "5"
    & skf21("6","1","1","4","3","5","6","1") = "5"
    & skf21("6","1","1","4","3","5","7","1") = "6"
    & skf21("6","1","1","4","3","6","1","1") = "5"
    & skf21("6","1","1","4","3","6","2","1") = "5"
    & skf21("6","1","1","4","3","6","3","1") = "5"
    & skf21("6","1","1","4","3","6","4","1") = "5"
    & skf21("6","1","1","4","3","6","5","1") = "5"
    & skf21("6","1","1","4","3","6","6","1") = "5"
    & skf21("6","1","1","4","3","6","7","1") = "6"
    & skf21("6","1","1","4","3","7","1","1") = "6"
    & skf21("6","1","1","4","3","7","2","1") = "6"
    & skf21("6","1","1","4","3","7","3","1") = "6"
    & skf21("6","1","1","4","3","7","4","1") = "6"
    & skf21("6","1","1","4","3","7","5","1") = "6"
    & skf21("6","1","1","4","3","7","6","1") = "6"
    & skf21("6","1","1","4","3","7","7","1") = "6"
    & skf21("6","1","1","4","4","1","1","1") = "5"
    & skf21("6","1","1","4","4","1","2","1") = "5"
    & skf21("6","1","1","4","4","1","3","1") = "5"
    & skf21("6","1","1","4","4","1","4","1") = "5"
    & skf21("6","1","1","4","4","1","5","1") = "5"
    & skf21("6","1","1","4","4","1","6","1") = "5"
    & skf21("6","1","1","4","4","1","7","1") = "6"
    & skf21("6","1","1","4","4","2","1","1") = "5"
    & skf21("6","1","1","4","4","2","2","1") = "5"
    & skf21("6","1","1","4","4","2","3","1") = "5"
    & skf21("6","1","1","4","4","2","4","1") = "5"
    & skf21("6","1","1","4","4","2","5","1") = "5"
    & skf21("6","1","1","4","4","2","6","1") = "5"
    & skf21("6","1","1","4","4","2","7","1") = "6"
    & skf21("6","1","1","4","4","3","1","1") = "5"
    & skf21("6","1","1","4","4","3","2","1") = "5"
    & skf21("6","1","1","4","4","3","3","1") = "5"
    & skf21("6","1","1","4","4","3","4","1") = "5"
    & skf21("6","1","1","4","4","3","5","1") = "5"
    & skf21("6","1","1","4","4","3","6","1") = "5"
    & skf21("6","1","1","4","4","3","7","1") = "6"
    & skf21("6","1","1","4","4","4","1","1") = "5"
    & skf21("6","1","1","4","4","4","2","1") = "5"
    & skf21("6","1","1","4","4","4","3","1") = "5"
    & skf21("6","1","1","4","4","4","4","1") = "5"
    & skf21("6","1","1","4","4","4","5","1") = "5"
    & skf21("6","1","1","4","4","4","6","1") = "5"
    & skf21("6","1","1","4","4","4","7","1") = "6"
    & skf21("6","1","1","4","4","5","1","1") = "5"
    & skf21("6","1","1","4","4","5","2","1") = "5"
    & skf21("6","1","1","4","4","5","3","1") = "5"
    & skf21("6","1","1","4","4","5","4","1") = "5"
    & skf21("6","1","1","4","4","5","5","1") = "5"
    & skf21("6","1","1","4","4","5","6","1") = "5"
    & skf21("6","1","1","4","4","5","7","1") = "6"
    & skf21("6","1","1","4","4","6","1","1") = "5"
    & skf21("6","1","1","4","4","6","2","1") = "5"
    & skf21("6","1","1","4","4","6","3","1") = "5"
    & skf21("6","1","1","4","4","6","4","1") = "5"
    & skf21("6","1","1","4","4","6","5","1") = "5"
    & skf21("6","1","1","4","4","6","6","1") = "5"
    & skf21("6","1","1","4","4","6","7","1") = "6"
    & skf21("6","1","1","4","4","7","1","1") = "6"
    & skf21("6","1","1","4","4","7","2","1") = "6"
    & skf21("6","1","1","4","4","7","3","1") = "6"
    & skf21("6","1","1","4","4","7","4","1") = "6"
    & skf21("6","1","1","4","4","7","5","1") = "6"
    & skf21("6","1","1","4","4","7","6","1") = "6"
    & skf21("6","1","1","4","4","7","7","1") = "6"
    & skf21("6","1","1","4","5","1","1","1") = "5"
    & skf21("6","1","1","4","5","1","2","1") = "5"
    & skf21("6","1","1","4","5","1","3","1") = "5"
    & skf21("6","1","1","4","5","1","4","1") = "5"
    & skf21("6","1","1","4","5","1","5","1") = "5"
    & skf21("6","1","1","4","5","1","6","1") = "5"
    & skf21("6","1","1","4","5","1","7","1") = "6"
    & skf21("6","1","1","4","5","2","1","1") = "5"
    & skf21("6","1","1","4","5","2","2","1") = "5"
    & skf21("6","1","1","4","5","2","3","1") = "5"
    & skf21("6","1","1","4","5","2","4","1") = "5"
    & skf21("6","1","1","4","5","2","5","1") = "5"
    & skf21("6","1","1","4","5","2","6","1") = "5"
    & skf21("6","1","1","4","5","2","7","1") = "6"
    & skf21("6","1","1","4","5","3","1","1") = "5"
    & skf21("6","1","1","4","5","3","2","1") = "5"
    & skf21("6","1","1","4","5","3","3","1") = "5"
    & skf21("6","1","1","4","5","3","4","1") = "5"
    & skf21("6","1","1","4","5","3","5","1") = "5"
    & skf21("6","1","1","4","5","3","6","1") = "5"
    & skf21("6","1","1","4","5","3","7","1") = "6"
    & skf21("6","1","1","4","5","4","1","1") = "5"
    & skf21("6","1","1","4","5","4","2","1") = "5"
    & skf21("6","1","1","4","5","4","3","1") = "5"
    & skf21("6","1","1","4","5","4","4","1") = "5"
    & skf21("6","1","1","4","5","4","5","1") = "5"
    & skf21("6","1","1","4","5","4","6","1") = "5"
    & skf21("6","1","1","4","5","4","7","1") = "6"
    & skf21("6","1","1","4","5","5","1","1") = "5"
    & skf21("6","1","1","4","5","5","2","1") = "5"
    & skf21("6","1","1","4","5","5","3","1") = "5"
    & skf21("6","1","1","4","5","5","4","1") = "5"
    & skf21("6","1","1","4","5","5","5","1") = "5"
    & skf21("6","1","1","4","5","5","6","1") = "5"
    & skf21("6","1","1","4","5","5","7","1") = "6"
    & skf21("6","1","1","4","5","6","1","1") = "5"
    & skf21("6","1","1","4","5","6","2","1") = "5"
    & skf21("6","1","1","4","5","6","3","1") = "5"
    & skf21("6","1","1","4","5","6","4","1") = "5"
    & skf21("6","1","1","4","5","6","5","1") = "5"
    & skf21("6","1","1","4","5","6","6","1") = "5"
    & skf21("6","1","1","4","5","6","7","1") = "6"
    & skf21("6","1","1","4","5","7","1","1") = "6"
    & skf21("6","1","1","4","5","7","2","1") = "6"
    & skf21("6","1","1","4","5","7","3","1") = "6"
    & skf21("6","1","1","4","5","7","4","1") = "6"
    & skf21("6","1","1","4","5","7","5","1") = "6"
    & skf21("6","1","1","4","5","7","6","1") = "6"
    & skf21("6","1","1","4","5","7","7","1") = "6"
    & skf21("6","1","1","4","6","1","1","1") = "5"
    & skf21("6","1","1","4","6","1","2","1") = "5"
    & skf21("6","1","1","4","6","1","3","1") = "5"
    & skf21("6","1","1","4","6","1","4","1") = "5"
    & skf21("6","1","1","4","6","1","5","1") = "5"
    & skf21("6","1","1","4","6","1","6","1") = "5"
    & skf21("6","1","1","4","6","1","7","1") = "6"
    & skf21("6","1","1","4","6","2","1","1") = "5"
    & skf21("6","1","1","4","6","2","2","1") = "5"
    & skf21("6","1","1","4","6","2","3","1") = "5"
    & skf21("6","1","1","4","6","2","4","1") = "5"
    & skf21("6","1","1","4","6","2","5","1") = "5"
    & skf21("6","1","1","4","6","2","6","1") = "5"
    & skf21("6","1","1","4","6","2","7","1") = "6"
    & skf21("6","1","1","4","6","3","1","1") = "5"
    & skf21("6","1","1","4","6","3","2","1") = "5"
    & skf21("6","1","1","4","6","3","3","1") = "5"
    & skf21("6","1","1","4","6","3","4","1") = "5"
    & skf21("6","1","1","4","6","3","5","1") = "5"
    & skf21("6","1","1","4","6","3","6","1") = "5"
    & skf21("6","1","1","4","6","3","7","1") = "6"
    & skf21("6","1","1","4","6","4","1","1") = "5"
    & skf21("6","1","1","4","6","4","2","1") = "5"
    & skf21("6","1","1","4","6","4","3","1") = "5"
    & skf21("6","1","1","4","6","4","4","1") = "5"
    & skf21("6","1","1","4","6","4","5","1") = "5"
    & skf21("6","1","1","4","6","4","6","1") = "5"
    & skf21("6","1","1","4","6","4","7","1") = "6"
    & skf21("6","1","1","4","6","5","1","1") = "5"
    & skf21("6","1","1","4","6","5","2","1") = "5"
    & skf21("6","1","1","4","6","5","3","1") = "5"
    & skf21("6","1","1","4","6","5","4","1") = "5"
    & skf21("6","1","1","4","6","5","5","1") = "5"
    & skf21("6","1","1","4","6","5","6","1") = "5"
    & skf21("6","1","1","4","6","5","7","1") = "6"
    & skf21("6","1","1","4","6","6","1","1") = "5"
    & skf21("6","1","1","4","6","6","2","1") = "5"
    & skf21("6","1","1","4","6","6","3","1") = "5"
    & skf21("6","1","1","4","6","6","4","1") = "5"
    & skf21("6","1","1","4","6","6","5","1") = "5"
    & skf21("6","1","1","4","6","6","6","1") = "5"
    & skf21("6","1","1","4","6","6","7","1") = "6"
    & skf21("6","1","1","4","6","7","1","1") = "6"
    & skf21("6","1","1","4","6","7","2","1") = "6"
    & skf21("6","1","1","4","6","7","3","1") = "6"
    & skf21("6","1","1","4","6","7","4","1") = "6"
    & skf21("6","1","1","4","6","7","5","1") = "6"
    & skf21("6","1","1","4","6","7","6","1") = "6"
    & skf21("6","1","1","4","6","7","7","1") = "6"
    & skf21("6","1","1","4","7","1","1","1") = "6"
    & skf21("6","1","1","4","7","1","2","1") = "6"
    & skf21("6","1","1","4","7","1","3","1") = "6"
    & skf21("6","1","1","4","7","1","4","1") = "6"
    & skf21("6","1","1","4","7","1","5","1") = "6"
    & skf21("6","1","1","4","7","1","6","1") = "6"
    & skf21("6","1","1","4","7","1","7","1") = "6"
    & skf21("6","1","1","4","7","2","1","1") = "6"
    & skf21("6","1","1","4","7","2","2","1") = "6"
    & skf21("6","1","1","4","7","2","3","1") = "6"
    & skf21("6","1","1","4","7","2","4","1") = "6"
    & skf21("6","1","1","4","7","2","5","1") = "6"
    & skf21("6","1","1","4","7","2","6","1") = "6"
    & skf21("6","1","1","4","7","2","7","1") = "6"
    & skf21("6","1","1","4","7","3","1","1") = "6"
    & skf21("6","1","1","4","7","3","2","1") = "6"
    & skf21("6","1","1","4","7","3","3","1") = "6"
    & skf21("6","1","1","4","7","3","4","1") = "6"
    & skf21("6","1","1","4","7","3","5","1") = "6"
    & skf21("6","1","1","4","7","3","6","1") = "6"
    & skf21("6","1","1","4","7","3","7","1") = "6"
    & skf21("6","1","1","4","7","4","1","1") = "6"
    & skf21("6","1","1","4","7","4","2","1") = "6"
    & skf21("6","1","1","4","7","4","3","1") = "6"
    & skf21("6","1","1","4","7","4","4","1") = "6"
    & skf21("6","1","1","4","7","4","5","1") = "6"
    & skf21("6","1","1","4","7","4","6","1") = "6"
    & skf21("6","1","1","4","7","4","7","1") = "6"
    & skf21("6","1","1","4","7","5","1","1") = "6"
    & skf21("6","1","1","4","7","5","2","1") = "6"
    & skf21("6","1","1","4","7","5","3","1") = "6"
    & skf21("6","1","1","4","7","5","4","1") = "6"
    & skf21("6","1","1","4","7","5","5","1") = "6"
    & skf21("6","1","1","4","7","5","6","1") = "6"
    & skf21("6","1","1","4","7","5","7","1") = "6"
    & skf21("6","1","1","4","7","6","1","1") = "6"
    & skf21("6","1","1","4","7","6","2","1") = "6"
    & skf21("6","1","1","4","7","6","3","1") = "6"
    & skf21("6","1","1","4","7","6","4","1") = "6"
    & skf21("6","1","1","4","7","6","5","1") = "6"
    & skf21("6","1","1","4","7","6","6","1") = "6"
    & skf21("6","1","1","4","7","6","7","1") = "6"
    & skf21("6","1","1","4","7","7","1","1") = "6"
    & skf21("6","1","1","4","7","7","2","1") = "6"
    & skf21("6","1","1","4","7","7","3","1") = "6"
    & skf21("6","1","1","4","7","7","4","1") = "6"
    & skf21("6","1","1","4","7","7","5","1") = "6"
    & skf21("6","1","1","4","7","7","6","1") = "6"
    & skf21("6","1","1","4","7","7","7","1") = "6"
    & skf21("6","1","1","5","1","1","1","1") = "5"
    & skf21("6","1","1","5","1","1","2","1") = "5"
    & skf21("6","1","1","5","1","1","3","1") = "5"
    & skf21("6","1","1","5","1","1","4","1") = "5"
    & skf21("6","1","1","5","1","1","5","1") = "5"
    & skf21("6","1","1","5","1","1","6","1") = "5"
    & skf21("6","1","1","5","1","1","7","1") = "6"
    & skf21("6","1","1","5","1","2","1","1") = "5"
    & skf21("6","1","1","5","1","2","2","1") = "5"
    & skf21("6","1","1","5","1","2","3","1") = "5"
    & skf21("6","1","1","5","1","2","4","1") = "5"
    & skf21("6","1","1","5","1","2","5","1") = "5"
    & skf21("6","1","1","5","1","2","6","1") = "5"
    & skf21("6","1","1","5","1","2","7","1") = "6"
    & skf21("6","1","1","5","1","3","1","1") = "5"
    & skf21("6","1","1","5","1","3","2","1") = "5"
    & skf21("6","1","1","5","1","3","3","1") = "5"
    & skf21("6","1","1","5","1","3","4","1") = "5"
    & skf21("6","1","1","5","1","3","5","1") = "5"
    & skf21("6","1","1","5","1","3","6","1") = "5"
    & skf21("6","1","1","5","1","3","7","1") = "6"
    & skf21("6","1","1","5","1","4","1","1") = "5"
    & skf21("6","1","1","5","1","4","2","1") = "5"
    & skf21("6","1","1","5","1","4","3","1") = "5"
    & skf21("6","1","1","5","1","4","4","1") = "5"
    & skf21("6","1","1","5","1","4","5","1") = "5"
    & skf21("6","1","1","5","1","4","6","1") = "5"
    & skf21("6","1","1","5","1","4","7","1") = "6"
    & skf21("6","1","1","5","1","5","1","1") = "5"
    & skf21("6","1","1","5","1","5","2","1") = "5"
    & skf21("6","1","1","5","1","5","3","1") = "5"
    & skf21("6","1","1","5","1","5","4","1") = "5"
    & skf21("6","1","1","5","1","5","5","1") = "5"
    & skf21("6","1","1","5","1","5","6","1") = "5"
    & skf21("6","1","1","5","1","5","7","1") = "6"
    & skf21("6","1","1","5","1","6","1","1") = "5"
    & skf21("6","1","1","5","1","6","2","1") = "5"
    & skf21("6","1","1","5","1","6","3","1") = "5"
    & skf21("6","1","1","5","1","6","4","1") = "5"
    & skf21("6","1","1","5","1","6","5","1") = "5"
    & skf21("6","1","1","5","1","6","6","1") = "5"
    & skf21("6","1","1","5","1","6","7","1") = "6"
    & skf21("6","1","1","5","1","7","1","1") = "6"
    & skf21("6","1","1","5","1","7","2","1") = "6"
    & skf21("6","1","1","5","1","7","3","1") = "6"
    & skf21("6","1","1","5","1","7","4","1") = "6"
    & skf21("6","1","1","5","1","7","5","1") = "6"
    & skf21("6","1","1","5","1","7","6","1") = "6"
    & skf21("6","1","1","5","1","7","7","1") = "6"
    & skf21("6","1","1","5","2","1","1","1") = "5"
    & skf21("6","1","1","5","2","1","2","1") = "5"
    & skf21("6","1","1","5","2","1","3","1") = "5"
    & skf21("6","1","1","5","2","1","4","1") = "5"
    & skf21("6","1","1","5","2","1","5","1") = "5"
    & skf21("6","1","1","5","2","1","6","1") = "5"
    & skf21("6","1","1","5","2","1","7","1") = "6"
    & skf21("6","1","1","5","2","2","1","1") = "5"
    & skf21("6","1","1","5","2","2","2","1") = "5"
    & skf21("6","1","1","5","2","2","3","1") = "5"
    & skf21("6","1","1","5","2","2","4","1") = "5"
    & skf21("6","1","1","5","2","2","5","1") = "5"
    & skf21("6","1","1","5","2","2","6","1") = "5"
    & skf21("6","1","1","5","2","2","7","1") = "6"
    & skf21("6","1","1","5","2","3","1","1") = "5"
    & skf21("6","1","1","5","2","3","2","1") = "5"
    & skf21("6","1","1","5","2","3","3","1") = "5"
    & skf21("6","1","1","5","2","3","4","1") = "5"
    & skf21("6","1","1","5","2","3","5","1") = "5"
    & skf21("6","1","1","5","2","3","6","1") = "5"
    & skf21("6","1","1","5","2","3","7","1") = "6"
    & skf21("6","1","1","5","2","4","1","1") = "5"
    & skf21("6","1","1","5","2","4","2","1") = "5"
    & skf21("6","1","1","5","2","4","3","1") = "5"
    & skf21("6","1","1","5","2","4","4","1") = "5"
    & skf21("6","1","1","5","2","4","5","1") = "5"
    & skf21("6","1","1","5","2","4","6","1") = "5"
    & skf21("6","1","1","5","2","4","7","1") = "6"
    & skf21("6","1","1","5","2","5","1","1") = "5"
    & skf21("6","1","1","5","2","5","2","1") = "5"
    & skf21("6","1","1","5","2","5","3","1") = "5"
    & skf21("6","1","1","5","2","5","4","1") = "5"
    & skf21("6","1","1","5","2","5","5","1") = "5"
    & skf21("6","1","1","5","2","5","6","1") = "5"
    & skf21("6","1","1","5","2","5","7","1") = "6"
    & skf21("6","1","1","5","2","6","1","1") = "5"
    & skf21("6","1","1","5","2","6","2","1") = "5"
    & skf21("6","1","1","5","2","6","3","1") = "5"
    & skf21("6","1","1","5","2","6","4","1") = "5"
    & skf21("6","1","1","5","2","6","5","1") = "5"
    & skf21("6","1","1","5","2","6","6","1") = "5"
    & skf21("6","1","1","5","2","6","7","1") = "6"
    & skf21("6","1","1","5","2","7","1","1") = "6"
    & skf21("6","1","1","5","2","7","2","1") = "6"
    & skf21("6","1","1","5","2","7","3","1") = "6"
    & skf21("6","1","1","5","2","7","4","1") = "6"
    & skf21("6","1","1","5","2","7","5","1") = "6"
    & skf21("6","1","1","5","2","7","6","1") = "6"
    & skf21("6","1","1","5","2","7","7","1") = "6"
    & skf21("6","1","1","5","3","1","1","1") = "5"
    & skf21("6","1","1","5","3","1","2","1") = "5"
    & skf21("6","1","1","5","3","1","3","1") = "5"
    & skf21("6","1","1","5","3","1","4","1") = "5"
    & skf21("6","1","1","5","3","1","5","1") = "5"
    & skf21("6","1","1","5","3","1","6","1") = "5"
    & skf21("6","1","1","5","3","1","7","1") = "6"
    & skf21("6","1","1","5","3","2","1","1") = "5"
    & skf21("6","1","1","5","3","2","2","1") = "5"
    & skf21("6","1","1","5","3","2","3","1") = "5"
    & skf21("6","1","1","5","3","2","4","1") = "5"
    & skf21("6","1","1","5","3","2","5","1") = "5"
    & skf21("6","1","1","5","3","2","6","1") = "5"
    & skf21("6","1","1","5","3","2","7","1") = "6"
    & skf21("6","1","1","5","3","3","1","1") = "5"
    & skf21("6","1","1","5","3","3","2","1") = "5"
    & skf21("6","1","1","5","3","3","3","1") = "5"
    & skf21("6","1","1","5","3","3","4","1") = "5"
    & skf21("6","1","1","5","3","3","5","1") = "5"
    & skf21("6","1","1","5","3","3","6","1") = "5"
    & skf21("6","1","1","5","3","3","7","1") = "6"
    & skf21("6","1","1","5","3","4","1","1") = "5"
    & skf21("6","1","1","5","3","4","2","1") = "5"
    & skf21("6","1","1","5","3","4","3","1") = "5"
    & skf21("6","1","1","5","3","4","4","1") = "5"
    & skf21("6","1","1","5","3","4","5","1") = "5"
    & skf21("6","1","1","5","3","4","6","1") = "5"
    & skf21("6","1","1","5","3","4","7","1") = "6"
    & skf21("6","1","1","5","3","5","1","1") = "5"
    & skf21("6","1","1","5","3","5","2","1") = "5"
    & skf21("6","1","1","5","3","5","3","1") = "5"
    & skf21("6","1","1","5","3","5","4","1") = "5"
    & skf21("6","1","1","5","3","5","5","1") = "5"
    & skf21("6","1","1","5","3","5","6","1") = "5"
    & skf21("6","1","1","5","3","5","7","1") = "6"
    & skf21("6","1","1","5","3","6","1","1") = "5"
    & skf21("6","1","1","5","3","6","2","1") = "5"
    & skf21("6","1","1","5","3","6","3","1") = "5"
    & skf21("6","1","1","5","3","6","4","1") = "5"
    & skf21("6","1","1","5","3","6","5","1") = "5"
    & skf21("6","1","1","5","3","6","6","1") = "5"
    & skf21("6","1","1","5","3","6","7","1") = "6"
    & skf21("6","1","1","5","3","7","1","1") = "6"
    & skf21("6","1","1","5","3","7","2","1") = "6"
    & skf21("6","1","1","5","3","7","3","1") = "6"
    & skf21("6","1","1","5","3","7","4","1") = "6"
    & skf21("6","1","1","5","3","7","5","1") = "6"
    & skf21("6","1","1","5","3","7","6","1") = "6"
    & skf21("6","1","1","5","3","7","7","1") = "6"
    & skf21("6","1","1","5","4","1","1","1") = "5"
    & skf21("6","1","1","5","4","1","2","1") = "5"
    & skf21("6","1","1","5","4","1","3","1") = "5"
    & skf21("6","1","1","5","4","1","4","1") = "5"
    & skf21("6","1","1","5","4","1","5","1") = "5"
    & skf21("6","1","1","5","4","1","6","1") = "5"
    & skf21("6","1","1","5","4","1","7","1") = "6"
    & skf21("6","1","1","5","4","2","1","1") = "5"
    & skf21("6","1","1","5","4","2","2","1") = "5"
    & skf21("6","1","1","5","4","2","3","1") = "5"
    & skf21("6","1","1","5","4","2","4","1") = "5"
    & skf21("6","1","1","5","4","2","5","1") = "5"
    & skf21("6","1","1","5","4","2","6","1") = "5"
    & skf21("6","1","1","5","4","2","7","1") = "6"
    & skf21("6","1","1","5","4","3","1","1") = "5"
    & skf21("6","1","1","5","4","3","2","1") = "5"
    & skf21("6","1","1","5","4","3","3","1") = "5"
    & skf21("6","1","1","5","4","3","4","1") = "5"
    & skf21("6","1","1","5","4","3","5","1") = "5"
    & skf21("6","1","1","5","4","3","6","1") = "5"
    & skf21("6","1","1","5","4","3","7","1") = "6"
    & skf21("6","1","1","5","4","4","1","1") = "5"
    & skf21("6","1","1","5","4","4","2","1") = "5"
    & skf21("6","1","1","5","4","4","3","1") = "5"
    & skf21("6","1","1","5","4","4","4","1") = "5"
    & skf21("6","1","1","5","4","4","5","1") = "5"
    & skf21("6","1","1","5","4","4","6","1") = "5"
    & skf21("6","1","1","5","4","4","7","1") = "6"
    & skf21("6","1","1","5","4","5","1","1") = "5"
    & skf21("6","1","1","5","4","5","2","1") = "5"
    & skf21("6","1","1","5","4","5","3","1") = "5"
    & skf21("6","1","1","5","4","5","4","1") = "5"
    & skf21("6","1","1","5","4","5","5","1") = "5"
    & skf21("6","1","1","5","4","5","6","1") = "5"
    & skf21("6","1","1","5","4","5","7","1") = "6"
    & skf21("6","1","1","5","4","6","1","1") = "5"
    & skf21("6","1","1","5","4","6","2","1") = "5"
    & skf21("6","1","1","5","4","6","3","1") = "5"
    & skf21("6","1","1","5","4","6","4","1") = "5"
    & skf21("6","1","1","5","4","6","5","1") = "5"
    & skf21("6","1","1","5","4","6","6","1") = "5"
    & skf21("6","1","1","5","4","6","7","1") = "6"
    & skf21("6","1","1","5","4","7","1","1") = "6"
    & skf21("6","1","1","5","4","7","2","1") = "6"
    & skf21("6","1","1","5","4","7","3","1") = "6"
    & skf21("6","1","1","5","4","7","4","1") = "6"
    & skf21("6","1","1","5","4","7","5","1") = "6"
    & skf21("6","1","1","5","4","7","6","1") = "6"
    & skf21("6","1","1","5","4","7","7","1") = "6"
    & skf21("6","1","1","5","5","1","1","1") = "5"
    & skf21("6","1","1","5","5","1","2","1") = "5"
    & skf21("6","1","1","5","5","1","3","1") = "5"
    & skf21("6","1","1","5","5","1","4","1") = "5"
    & skf21("6","1","1","5","5","1","5","1") = "5"
    & skf21("6","1","1","5","5","1","6","1") = "5"
    & skf21("6","1","1","5","5","1","7","1") = "6"
    & skf21("6","1","1","5","5","2","1","1") = "5"
    & skf21("6","1","1","5","5","2","2","1") = "5"
    & skf21("6","1","1","5","5","2","3","1") = "5"
    & skf21("6","1","1","5","5","2","4","1") = "5"
    & skf21("6","1","1","5","5","2","5","1") = "5"
    & skf21("6","1","1","5","5","2","6","1") = "5"
    & skf21("6","1","1","5","5","2","7","1") = "6"
    & skf21("6","1","1","5","5","3","1","1") = "5"
    & skf21("6","1","1","5","5","3","2","1") = "5"
    & skf21("6","1","1","5","5","3","3","1") = "5"
    & skf21("6","1","1","5","5","3","4","1") = "5"
    & skf21("6","1","1","5","5","3","5","1") = "5"
    & skf21("6","1","1","5","5","3","6","1") = "5"
    & skf21("6","1","1","5","5","3","7","1") = "6"
    & skf21("6","1","1","5","5","4","1","1") = "5"
    & skf21("6","1","1","5","5","4","2","1") = "5"
    & skf21("6","1","1","5","5","4","3","1") = "5"
    & skf21("6","1","1","5","5","4","4","1") = "5"
    & skf21("6","1","1","5","5","4","5","1") = "5"
    & skf21("6","1","1","5","5","4","6","1") = "5"
    & skf21("6","1","1","5","5","4","7","1") = "6"
    & skf21("6","1","1","5","5","5","1","1") = "5"
    & skf21("6","1","1","5","5","5","2","1") = "5"
    & skf21("6","1","1","5","5","5","3","1") = "5"
    & skf21("6","1","1","5","5","5","4","1") = "5"
    & skf21("6","1","1","5","5","5","5","1") = "5"
    & skf21("6","1","1","5","5","5","6","1") = "5"
    & skf21("6","1","1","5","5","5","7","1") = "6"
    & skf21("6","1","1","5","5","6","1","1") = "5"
    & skf21("6","1","1","5","5","6","2","1") = "5"
    & skf21("6","1","1","5","5","6","3","1") = "5"
    & skf21("6","1","1","5","5","6","4","1") = "5"
    & skf21("6","1","1","5","5","6","5","1") = "5"
    & skf21("6","1","1","5","5","6","6","1") = "5"
    & skf21("6","1","1","5","5","6","7","1") = "6"
    & skf21("6","1","1","5","5","7","1","1") = "6"
    & skf21("6","1","1","5","5","7","2","1") = "6"
    & skf21("6","1","1","5","5","7","3","1") = "6"
    & skf21("6","1","1","5","5","7","4","1") = "6"
    & skf21("6","1","1","5","5","7","5","1") = "6"
    & skf21("6","1","1","5","5","7","6","1") = "6"
    & skf21("6","1","1","5","5","7","7","1") = "6"
    & skf21("6","1","1","5","6","1","1","1") = "5"
    & skf21("6","1","1","5","6","1","2","1") = "5"
    & skf21("6","1","1","5","6","1","3","1") = "5"
    & skf21("6","1","1","5","6","1","4","1") = "5"
    & skf21("6","1","1","5","6","1","5","1") = "5"
    & skf21("6","1","1","5","6","1","6","1") = "5"
    & skf21("6","1","1","5","6","1","7","1") = "6"
    & skf21("6","1","1","5","6","2","1","1") = "5"
    & skf21("6","1","1","5","6","2","2","1") = "5"
    & skf21("6","1","1","5","6","2","3","1") = "5"
    & skf21("6","1","1","5","6","2","4","1") = "5"
    & skf21("6","1","1","5","6","2","5","1") = "5"
    & skf21("6","1","1","5","6","2","6","1") = "5"
    & skf21("6","1","1","5","6","2","7","1") = "6"
    & skf21("6","1","1","5","6","3","1","1") = "5"
    & skf21("6","1","1","5","6","3","2","1") = "5"
    & skf21("6","1","1","5","6","3","3","1") = "5"
    & skf21("6","1","1","5","6","3","4","1") = "5"
    & skf21("6","1","1","5","6","3","5","1") = "5"
    & skf21("6","1","1","5","6","3","6","1") = "5"
    & skf21("6","1","1","5","6","3","7","1") = "6"
    & skf21("6","1","1","5","6","4","1","1") = "5"
    & skf21("6","1","1","5","6","4","2","1") = "5"
    & skf21("6","1","1","5","6","4","3","1") = "5"
    & skf21("6","1","1","5","6","4","4","1") = "5"
    & skf21("6","1","1","5","6","4","5","1") = "5"
    & skf21("6","1","1","5","6","4","6","1") = "5"
    & skf21("6","1","1","5","6","4","7","1") = "6"
    & skf21("6","1","1","5","6","5","1","1") = "5"
    & skf21("6","1","1","5","6","5","2","1") = "5"
    & skf21("6","1","1","5","6","5","3","1") = "5"
    & skf21("6","1","1","5","6","5","4","1") = "5"
    & skf21("6","1","1","5","6","5","5","1") = "5"
    & skf21("6","1","1","5","6","5","6","1") = "5"
    & skf21("6","1","1","5","6","5","7","1") = "6"
    & skf21("6","1","1","5","6","6","1","1") = "5"
    & skf21("6","1","1","5","6","6","2","1") = "5"
    & skf21("6","1","1","5","6","6","3","1") = "5"
    & skf21("6","1","1","5","6","6","4","1") = "5"
    & skf21("6","1","1","5","6","6","5","1") = "5"
    & skf21("6","1","1","5","6","6","6","1") = "5"
    & skf21("6","1","1","5","6","6","7","1") = "6"
    & skf21("6","1","1","5","6","7","1","1") = "6"
    & skf21("6","1","1","5","6","7","2","1") = "6"
    & skf21("6","1","1","5","6","7","3","1") = "6"
    & skf21("6","1","1","5","6","7","4","1") = "6"
    & skf21("6","1","1","5","6","7","5","1") = "6"
    & skf21("6","1","1","5","6","7","6","1") = "6"
    & skf21("6","1","1","5","6","7","7","1") = "6"
    & skf21("6","1","1","5","7","1","1","1") = "6"
    & skf21("6","1","1","5","7","1","2","1") = "6"
    & skf21("6","1","1","5","7","1","3","1") = "6"
    & skf21("6","1","1","5","7","1","4","1") = "6"
    & skf21("6","1","1","5","7","1","5","1") = "6"
    & skf21("6","1","1","5","7","1","6","1") = "6"
    & skf21("6","1","1","5","7","1","7","1") = "6"
    & skf21("6","1","1","5","7","2","1","1") = "6"
    & skf21("6","1","1","5","7","2","2","1") = "6"
    & skf21("6","1","1","5","7","2","3","1") = "6"
    & skf21("6","1","1","5","7","2","4","1") = "6"
    & skf21("6","1","1","5","7","2","5","1") = "6"
    & skf21("6","1","1","5","7","2","6","1") = "6"
    & skf21("6","1","1","5","7","2","7","1") = "6"
    & skf21("6","1","1","5","7","3","1","1") = "6"
    & skf21("6","1","1","5","7","3","2","1") = "6"
    & skf21("6","1","1","5","7","3","3","1") = "6"
    & skf21("6","1","1","5","7","3","4","1") = "6"
    & skf21("6","1","1","5","7","3","5","1") = "6"
    & skf21("6","1","1","5","7","3","6","1") = "6"
    & skf21("6","1","1","5","7","3","7","1") = "6"
    & skf21("6","1","1","5","7","4","1","1") = "6"
    & skf21("6","1","1","5","7","4","2","1") = "6"
    & skf21("6","1","1","5","7","4","3","1") = "6"
    & skf21("6","1","1","5","7","4","4","1") = "6"
    & skf21("6","1","1","5","7","4","5","1") = "6"
    & skf21("6","1","1","5","7","4","6","1") = "6"
    & skf21("6","1","1","5","7","4","7","1") = "6"
    & skf21("6","1","1","5","7","5","1","1") = "6"
    & skf21("6","1","1","5","7","5","2","1") = "6"
    & skf21("6","1","1","5","7","5","3","1") = "6"
    & skf21("6","1","1","5","7","5","4","1") = "6"
    & skf21("6","1","1","5","7","5","5","1") = "6"
    & skf21("6","1","1","5","7","5","6","1") = "6"
    & skf21("6","1","1","5","7","5","7","1") = "6"
    & skf21("6","1","1","5","7","6","1","1") = "6"
    & skf21("6","1","1","5","7","6","2","1") = "6"
    & skf21("6","1","1","5","7","6","3","1") = "6"
    & skf21("6","1","1","5","7","6","4","1") = "6"
    & skf21("6","1","1","5","7","6","5","1") = "6"
    & skf21("6","1","1","5","7","6","6","1") = "6"
    & skf21("6","1","1","5","7","6","7","1") = "6"
    & skf21("6","1","1","5","7","7","1","1") = "6"
    & skf21("6","1","1","5","7","7","2","1") = "6"
    & skf21("6","1","1","5","7","7","3","1") = "6"
    & skf21("6","1","1","5","7","7","4","1") = "6"
    & skf21("6","1","1","5","7","7","5","1") = "6"
    & skf21("6","1","1","5","7","7","6","1") = "6"
    & skf21("6","1","1","5","7","7","7","1") = "6"
    & skf21("6","1","1","6","1","1","1","1") = "5"
    & skf21("6","1","1","6","1","1","2","1") = "5"
    & skf21("6","1","1","6","1","1","3","1") = "5"
    & skf21("6","1","1","6","1","1","4","1") = "5"
    & skf21("6","1","1","6","1","1","5","1") = "5"
    & skf21("6","1","1","6","1","1","6","1") = "5"
    & skf21("6","1","1","6","1","1","7","1") = "6"
    & skf21("6","1","1","6","1","2","1","1") = "5"
    & skf21("6","1","1","6","1","2","2","1") = "5"
    & skf21("6","1","1","6","1","2","3","1") = "5"
    & skf21("6","1","1","6","1","2","4","1") = "5"
    & skf21("6","1","1","6","1","2","5","1") = "5"
    & skf21("6","1","1","6","1","2","6","1") = "5"
    & skf21("6","1","1","6","1","2","7","1") = "6"
    & skf21("6","1","1","6","1","3","1","1") = "5"
    & skf21("6","1","1","6","1","3","2","1") = "5"
    & skf21("6","1","1","6","1","3","3","1") = "5"
    & skf21("6","1","1","6","1","3","4","1") = "5"
    & skf21("6","1","1","6","1","3","5","1") = "5"
    & skf21("6","1","1","6","1","3","6","1") = "5"
    & skf21("6","1","1","6","1","3","7","1") = "6"
    & skf21("6","1","1","6","1","4","1","1") = "5"
    & skf21("6","1","1","6","1","4","2","1") = "5"
    & skf21("6","1","1","6","1","4","3","1") = "5"
    & skf21("6","1","1","6","1","4","4","1") = "5"
    & skf21("6","1","1","6","1","4","5","1") = "5"
    & skf21("6","1","1","6","1","4","6","1") = "5"
    & skf21("6","1","1","6","1","4","7","1") = "6"
    & skf21("6","1","1","6","1","5","1","1") = "5"
    & skf21("6","1","1","6","1","5","2","1") = "5"
    & skf21("6","1","1","6","1","5","3","1") = "5"
    & skf21("6","1","1","6","1","5","4","1") = "5"
    & skf21("6","1","1","6","1","5","5","1") = "5"
    & skf21("6","1","1","6","1","5","6","1") = "5"
    & skf21("6","1","1","6","1","5","7","1") = "6"
    & skf21("6","1","1","6","1","6","1","1") = "5"
    & skf21("6","1","1","6","1","6","2","1") = "5"
    & skf21("6","1","1","6","1","6","3","1") = "5"
    & skf21("6","1","1","6","1","6","4","1") = "5"
    & skf21("6","1","1","6","1","6","5","1") = "5"
    & skf21("6","1","1","6","1","6","6","1") = "5"
    & skf21("6","1","1","6","1","6","7","1") = "6"
    & skf21("6","1","1","6","1","7","1","1") = "6"
    & skf21("6","1","1","6","1","7","2","1") = "6"
    & skf21("6","1","1","6","1","7","3","1") = "6"
    & skf21("6","1","1","6","1","7","4","1") = "6"
    & skf21("6","1","1","6","1","7","5","1") = "6"
    & skf21("6","1","1","6","1","7","6","1") = "6"
    & skf21("6","1","1","6","1","7","7","1") = "6"
    & skf21("6","1","1","6","2","1","1","1") = "5"
    & skf21("6","1","1","6","2","1","2","1") = "5"
    & skf21("6","1","1","6","2","1","3","1") = "5"
    & skf21("6","1","1","6","2","1","4","1") = "5"
    & skf21("6","1","1","6","2","1","5","1") = "5"
    & skf21("6","1","1","6","2","1","6","1") = "5"
    & skf21("6","1","1","6","2","1","7","1") = "6"
    & skf21("6","1","1","6","2","2","1","1") = "5"
    & skf21("6","1","1","6","2","2","2","1") = "5"
    & skf21("6","1","1","6","2","2","3","1") = "5"
    & skf21("6","1","1","6","2","2","4","1") = "5"
    & skf21("6","1","1","6","2","2","5","1") = "5"
    & skf21("6","1","1","6","2","2","6","1") = "5"
    & skf21("6","1","1","6","2","2","7","1") = "6"
    & skf21("6","1","1","6","2","3","1","1") = "5"
    & skf21("6","1","1","6","2","3","2","1") = "5"
    & skf21("6","1","1","6","2","3","3","1") = "5"
    & skf21("6","1","1","6","2","3","4","1") = "5"
    & skf21("6","1","1","6","2","3","5","1") = "5"
    & skf21("6","1","1","6","2","3","6","1") = "5"
    & skf21("6","1","1","6","2","3","7","1") = "6"
    & skf21("6","1","1","6","2","4","1","1") = "5"
    & skf21("6","1","1","6","2","4","2","1") = "5"
    & skf21("6","1","1","6","2","4","3","1") = "5"
    & skf21("6","1","1","6","2","4","4","1") = "5"
    & skf21("6","1","1","6","2","4","5","1") = "5"
    & skf21("6","1","1","6","2","4","6","1") = "5"
    & skf21("6","1","1","6","2","4","7","1") = "6"
    & skf21("6","1","1","6","2","5","1","1") = "5"
    & skf21("6","1","1","6","2","5","2","1") = "5"
    & skf21("6","1","1","6","2","5","3","1") = "5"
    & skf21("6","1","1","6","2","5","4","1") = "5"
    & skf21("6","1","1","6","2","5","5","1") = "5"
    & skf21("6","1","1","6","2","5","6","1") = "5"
    & skf21("6","1","1","6","2","5","7","1") = "6"
    & skf21("6","1","1","6","2","6","1","1") = "5"
    & skf21("6","1","1","6","2","6","2","1") = "5"
    & skf21("6","1","1","6","2","6","3","1") = "5"
    & skf21("6","1","1","6","2","6","4","1") = "5"
    & skf21("6","1","1","6","2","6","5","1") = "5"
    & skf21("6","1","1","6","2","6","6","1") = "5"
    & skf21("6","1","1","6","2","6","7","1") = "6"
    & skf21("6","1","1","6","2","7","1","1") = "6"
    & skf21("6","1","1","6","2","7","2","1") = "6"
    & skf21("6","1","1","6","2","7","3","1") = "6"
    & skf21("6","1","1","6","2","7","4","1") = "6"
    & skf21("6","1","1","6","2","7","5","1") = "6"
    & skf21("6","1","1","6","2","7","6","1") = "6"
    & skf21("6","1","1","6","2","7","7","1") = "6"
    & skf21("6","1","1","6","3","1","1","1") = "5"
    & skf21("6","1","1","6","3","1","2","1") = "5"
    & skf21("6","1","1","6","3","1","3","1") = "5"
    & skf21("6","1","1","6","3","1","4","1") = "5"
    & skf21("6","1","1","6","3","1","5","1") = "5"
    & skf21("6","1","1","6","3","1","6","1") = "5"
    & skf21("6","1","1","6","3","1","7","1") = "6"
    & skf21("6","1","1","6","3","2","1","1") = "5"
    & skf21("6","1","1","6","3","2","2","1") = "5"
    & skf21("6","1","1","6","3","2","3","1") = "5"
    & skf21("6","1","1","6","3","2","4","1") = "5"
    & skf21("6","1","1","6","3","2","5","1") = "5"
    & skf21("6","1","1","6","3","2","6","1") = "5"
    & skf21("6","1","1","6","3","2","7","1") = "6"
    & skf21("6","1","1","6","3","3","1","1") = "5"
    & skf21("6","1","1","6","3","3","2","1") = "5"
    & skf21("6","1","1","6","3","3","3","1") = "5"
    & skf21("6","1","1","6","3","3","4","1") = "5"
    & skf21("6","1","1","6","3","3","5","1") = "5"
    & skf21("6","1","1","6","3","3","6","1") = "5"
    & skf21("6","1","1","6","3","3","7","1") = "6"
    & skf21("6","1","1","6","3","4","1","1") = "5"
    & skf21("6","1","1","6","3","4","2","1") = "5"
    & skf21("6","1","1","6","3","4","3","1") = "5"
    & skf21("6","1","1","6","3","4","4","1") = "5"
    & skf21("6","1","1","6","3","4","5","1") = "5"
    & skf21("6","1","1","6","3","4","6","1") = "5"
    & skf21("6","1","1","6","3","4","7","1") = "6"
    & skf21("6","1","1","6","3","5","1","1") = "5"
    & skf21("6","1","1","6","3","5","2","1") = "5"
    & skf21("6","1","1","6","3","5","3","1") = "5"
    & skf21("6","1","1","6","3","5","4","1") = "5"
    & skf21("6","1","1","6","3","5","5","1") = "5"
    & skf21("6","1","1","6","3","5","6","1") = "5"
    & skf21("6","1","1","6","3","5","7","1") = "6"
    & skf21("6","1","1","6","3","6","1","1") = "5"
    & skf21("6","1","1","6","3","6","2","1") = "5"
    & skf21("6","1","1","6","3","6","3","1") = "5"
    & skf21("6","1","1","6","3","6","4","1") = "5"
    & skf21("6","1","1","6","3","6","5","1") = "5"
    & skf21("6","1","1","6","3","6","6","1") = "5"
    & skf21("6","1","1","6","3","6","7","1") = "6"
    & skf21("6","1","1","6","3","7","1","1") = "6"
    & skf21("6","1","1","6","3","7","2","1") = "6"
    & skf21("6","1","1","6","3","7","3","1") = "6"
    & skf21("6","1","1","6","3","7","4","1") = "6"
    & skf21("6","1","1","6","3","7","5","1") = "6"
    & skf21("6","1","1","6","3","7","6","1") = "6"
    & skf21("6","1","1","6","3","7","7","1") = "6"
    & skf21("6","1","1","6","4","1","1","1") = "5"
    & skf21("6","1","1","6","4","1","2","1") = "5"
    & skf21("6","1","1","6","4","1","3","1") = "5"
    & skf21("6","1","1","6","4","1","4","1") = "5"
    & skf21("6","1","1","6","4","1","5","1") = "5"
    & skf21("6","1","1","6","4","1","6","1") = "5"
    & skf21("6","1","1","6","4","1","7","1") = "6"
    & skf21("6","1","1","6","4","2","1","1") = "5"
    & skf21("6","1","1","6","4","2","2","1") = "5"
    & skf21("6","1","1","6","4","2","3","1") = "5"
    & skf21("6","1","1","6","4","2","4","1") = "5"
    & skf21("6","1","1","6","4","2","5","1") = "5"
    & skf21("6","1","1","6","4","2","6","1") = "5"
    & skf21("6","1","1","6","4","2","7","1") = "6"
    & skf21("6","1","1","6","4","3","1","1") = "5"
    & skf21("6","1","1","6","4","3","2","1") = "5"
    & skf21("6","1","1","6","4","3","3","1") = "5"
    & skf21("6","1","1","6","4","3","4","1") = "5"
    & skf21("6","1","1","6","4","3","5","1") = "5"
    & skf21("6","1","1","6","4","3","6","1") = "5"
    & skf21("6","1","1","6","4","3","7","1") = "6"
    & skf21("6","1","1","6","4","4","1","1") = "5"
    & skf21("6","1","1","6","4","4","2","1") = "5"
    & skf21("6","1","1","6","4","4","3","1") = "5"
    & skf21("6","1","1","6","4","4","4","1") = "5"
    & skf21("6","1","1","6","4","4","5","1") = "5"
    & skf21("6","1","1","6","4","4","6","1") = "5"
    & skf21("6","1","1","6","4","4","7","1") = "6"
    & skf21("6","1","1","6","4","5","1","1") = "5"
    & skf21("6","1","1","6","4","5","2","1") = "5"
    & skf21("6","1","1","6","4","5","3","1") = "5"
    & skf21("6","1","1","6","4","5","4","1") = "5"
    & skf21("6","1","1","6","4","5","5","1") = "5"
    & skf21("6","1","1","6","4","5","6","1") = "5"
    & skf21("6","1","1","6","4","5","7","1") = "6"
    & skf21("6","1","1","6","4","6","1","1") = "5"
    & skf21("6","1","1","6","4","6","2","1") = "5"
    & skf21("6","1","1","6","4","6","3","1") = "5"
    & skf21("6","1","1","6","4","6","4","1") = "5"
    & skf21("6","1","1","6","4","6","5","1") = "5"
    & skf21("6","1","1","6","4","6","6","1") = "5"
    & skf21("6","1","1","6","4","6","7","1") = "6"
    & skf21("6","1","1","6","4","7","1","1") = "6"
    & skf21("6","1","1","6","4","7","2","1") = "6"
    & skf21("6","1","1","6","4","7","3","1") = "6"
    & skf21("6","1","1","6","4","7","4","1") = "6"
    & skf21("6","1","1","6","4","7","5","1") = "6"
    & skf21("6","1","1","6","4","7","6","1") = "6"
    & skf21("6","1","1","6","4","7","7","1") = "6"
    & skf21("6","1","1","6","5","1","1","1") = "5"
    & skf21("6","1","1","6","5","1","2","1") = "5"
    & skf21("6","1","1","6","5","1","3","1") = "5"
    & skf21("6","1","1","6","5","1","4","1") = "5"
    & skf21("6","1","1","6","5","1","5","1") = "5"
    & skf21("6","1","1","6","5","1","6","1") = "5"
    & skf21("6","1","1","6","5","1","7","1") = "6"
    & skf21("6","1","1","6","5","2","1","1") = "5"
    & skf21("6","1","1","6","5","2","2","1") = "5"
    & skf21("6","1","1","6","5","2","3","1") = "5"
    & skf21("6","1","1","6","5","2","4","1") = "5"
    & skf21("6","1","1","6","5","2","5","1") = "5"
    & skf21("6","1","1","6","5","2","6","1") = "5"
    & skf21("6","1","1","6","5","2","7","1") = "6"
    & skf21("6","1","1","6","5","3","1","1") = "5"
    & skf21("6","1","1","6","5","3","2","1") = "5"
    & skf21("6","1","1","6","5","3","3","1") = "5"
    & skf21("6","1","1","6","5","3","4","1") = "5"
    & skf21("6","1","1","6","5","3","5","1") = "5"
    & skf21("6","1","1","6","5","3","6","1") = "5"
    & skf21("6","1","1","6","5","3","7","1") = "6"
    & skf21("6","1","1","6","5","4","1","1") = "5"
    & skf21("6","1","1","6","5","4","2","1") = "5"
    & skf21("6","1","1","6","5","4","3","1") = "5"
    & skf21("6","1","1","6","5","4","4","1") = "5"
    & skf21("6","1","1","6","5","4","5","1") = "5"
    & skf21("6","1","1","6","5","4","6","1") = "5"
    & skf21("6","1","1","6","5","4","7","1") = "6"
    & skf21("6","1","1","6","5","5","1","1") = "5"
    & skf21("6","1","1","6","5","5","2","1") = "5"
    & skf21("6","1","1","6","5","5","3","1") = "5"
    & skf21("6","1","1","6","5","5","4","1") = "5"
    & skf21("6","1","1","6","5","5","5","1") = "5"
    & skf21("6","1","1","6","5","5","6","1") = "5"
    & skf21("6","1","1","6","5","5","7","1") = "6"
    & skf21("6","1","1","6","5","6","1","1") = "5"
    & skf21("6","1","1","6","5","6","2","1") = "5"
    & skf21("6","1","1","6","5","6","3","1") = "5"
    & skf21("6","1","1","6","5","6","4","1") = "5"
    & skf21("6","1","1","6","5","6","5","1") = "5"
    & skf21("6","1","1","6","5","6","6","1") = "5"
    & skf21("6","1","1","6","5","6","7","1") = "6"
    & skf21("6","1","1","6","5","7","1","1") = "6"
    & skf21("6","1","1","6","5","7","2","1") = "6"
    & skf21("6","1","1","6","5","7","3","1") = "6"
    & skf21("6","1","1","6","5","7","4","1") = "6"
    & skf21("6","1","1","6","5","7","5","1") = "6"
    & skf21("6","1","1","6","5","7","6","1") = "6"
    & skf21("6","1","1","6","5","7","7","1") = "6"
    & skf21("6","1","1","6","6","1","1","1") = "5"
    & skf21("6","1","1","6","6","1","2","1") = "5"
    & skf21("6","1","1","6","6","1","3","1") = "5"
    & skf21("6","1","1","6","6","1","4","1") = "5"
    & skf21("6","1","1","6","6","1","5","1") = "5"
    & skf21("6","1","1","6","6","1","6","1") = "5"
    & skf21("6","1","1","6","6","1","7","1") = "6"
    & skf21("6","1","1","6","6","2","1","1") = "5"
    & skf21("6","1","1","6","6","2","2","1") = "5"
    & skf21("6","1","1","6","6","2","3","1") = "5"
    & skf21("6","1","1","6","6","2","4","1") = "5"
    & skf21("6","1","1","6","6","2","5","1") = "5"
    & skf21("6","1","1","6","6","2","6","1") = "5"
    & skf21("6","1","1","6","6","2","7","1") = "6"
    & skf21("6","1","1","6","6","3","1","1") = "5"
    & skf21("6","1","1","6","6","3","2","1") = "5"
    & skf21("6","1","1","6","6","3","3","1") = "5"
    & skf21("6","1","1","6","6","3","4","1") = "5"
    & skf21("6","1","1","6","6","3","5","1") = "5"
    & skf21("6","1","1","6","6","3","6","1") = "5"
    & skf21("6","1","1","6","6","3","7","1") = "6"
    & skf21("6","1","1","6","6","4","1","1") = "5"
    & skf21("6","1","1","6","6","4","2","1") = "5"
    & skf21("6","1","1","6","6","4","3","1") = "5"
    & skf21("6","1","1","6","6","4","4","1") = "5"
    & skf21("6","1","1","6","6","4","5","1") = "5"
    & skf21("6","1","1","6","6","4","6","1") = "5"
    & skf21("6","1","1","6","6","4","7","1") = "6"
    & skf21("6","1","1","6","6","5","1","1") = "5"
    & skf21("6","1","1","6","6","5","2","1") = "5"
    & skf21("6","1","1","6","6","5","3","1") = "5"
    & skf21("6","1","1","6","6","5","4","1") = "5"
    & skf21("6","1","1","6","6","5","5","1") = "5"
    & skf21("6","1","1","6","6","5","6","1") = "5"
    & skf21("6","1","1","6","6","5","7","1") = "6"
    & skf21("6","1","1","6","6","6","1","1") = "5"
    & skf21("6","1","1","6","6","6","2","1") = "5"
    & skf21("6","1","1","6","6","6","3","1") = "5"
    & skf21("6","1","1","6","6","6","4","1") = "5"
    & skf21("6","1","1","6","6","6","5","1") = "5"
    & skf21("6","1","1","6","6","6","6","1") = "5"
    & skf21("6","1","1","6","6","6","7","1") = "6"
    & skf21("6","1","1","6","6","7","1","1") = "6"
    & skf21("6","1","1","6","6","7","2","1") = "6"
    & skf21("6","1","1","6","6","7","3","1") = "6"
    & skf21("6","1","1","6","6","7","4","1") = "6"
    & skf21("6","1","1","6","6","7","5","1") = "6"
    & skf21("6","1","1","6","6","7","6","1") = "6"
    & skf21("6","1","1","6","6","7","7","1") = "6"
    & skf21("6","1","1","6","7","1","1","1") = "6"
    & skf21("6","1","1","6","7","1","2","1") = "6"
    & skf21("6","1","1","6","7","1","3","1") = "6"
    & skf21("6","1","1","6","7","1","4","1") = "6"
    & skf21("6","1","1","6","7","1","5","1") = "6"
    & skf21("6","1","1","6","7","1","6","1") = "6"
    & skf21("6","1","1","6","7","1","7","1") = "6"
    & skf21("6","1","1","6","7","2","1","1") = "6"
    & skf21("6","1","1","6","7","2","2","1") = "6"
    & skf21("6","1","1","6","7","2","3","1") = "6"
    & skf21("6","1","1","6","7","2","4","1") = "6"
    & skf21("6","1","1","6","7","2","5","1") = "6"
    & skf21("6","1","1","6","7","2","6","1") = "6"
    & skf21("6","1","1","6","7","2","7","1") = "6"
    & skf21("6","1","1","6","7","3","1","1") = "6"
    & skf21("6","1","1","6","7","3","2","1") = "6"
    & skf21("6","1","1","6","7","3","3","1") = "6"
    & skf21("6","1","1","6","7","3","4","1") = "6"
    & skf21("6","1","1","6","7","3","5","1") = "6"
    & skf21("6","1","1","6","7","3","6","1") = "6"
    & skf21("6","1","1","6","7","3","7","1") = "6"
    & skf21("6","1","1","6","7","4","1","1") = "6"
    & skf21("6","1","1","6","7","4","2","1") = "6"
    & skf21("6","1","1","6","7","4","3","1") = "6"
    & skf21("6","1","1","6","7","4","4","1") = "6"
    & skf21("6","1","1","6","7","4","5","1") = "6"
    & skf21("6","1","1","6","7","4","6","1") = "6"
    & skf21("6","1","1","6","7","4","7","1") = "6"
    & skf21("6","1","1","6","7","5","1","1") = "6"
    & skf21("6","1","1","6","7","5","2","1") = "6"
    & skf21("6","1","1","6","7","5","3","1") = "6"
    & skf21("6","1","1","6","7","5","4","1") = "6"
    & skf21("6","1","1","6","7","5","5","1") = "6"
    & skf21("6","1","1","6","7","5","6","1") = "6"
    & skf21("6","1","1","6","7","5","7","1") = "6"
    & skf21("6","1","1","6","7","6","1","1") = "6"
    & skf21("6","1","1","6","7","6","2","1") = "6"
    & skf21("6","1","1","6","7","6","3","1") = "6"
    & skf21("6","1","1","6","7","6","4","1") = "6"
    & skf21("6","1","1","6","7","6","5","1") = "6"
    & skf21("6","1","1","6","7","6","6","1") = "6"
    & skf21("6","1","1","6","7","6","7","1") = "6"
    & skf21("6","1","1","6","7","7","1","1") = "6"
    & skf21("6","1","1","6","7","7","2","1") = "6"
    & skf21("6","1","1","6","7","7","3","1") = "6"
    & skf21("6","1","1","6","7","7","4","1") = "6"
    & skf21("6","1","1","6","7","7","5","1") = "6"
    & skf21("6","1","1","6","7","7","6","1") = "6"
    & skf21("6","1","1","6","7","7","7","1") = "6"
    & skf21("6","1","1","7","1","1","1","1") = "6"
    & skf21("6","1","1","7","1","1","2","1") = "6"
    & skf21("6","1","1","7","1","1","3","1") = "6"
    & skf21("6","1","1","7","1","1","4","1") = "6"
    & skf21("6","1","1","7","1","1","5","1") = "6"
    & skf21("6","1","1","7","1","1","6","1") = "6"
    & skf21("6","1","1","7","1","1","7","1") = "6"
    & skf21("6","1","1","7","1","2","1","1") = "6"
    & skf21("6","1","1","7","1","2","2","1") = "6"
    & skf21("6","1","1","7","1","2","3","1") = "6"
    & skf21("6","1","1","7","1","2","4","1") = "6"
    & skf21("6","1","1","7","1","2","5","1") = "6"
    & skf21("6","1","1","7","1","2","6","1") = "6"
    & skf21("6","1","1","7","1","2","7","1") = "6"
    & skf21("6","1","1","7","1","3","1","1") = "6"
    & skf21("6","1","1","7","1","3","2","1") = "6"
    & skf21("6","1","1","7","1","3","3","1") = "6"
    & skf21("6","1","1","7","1","3","4","1") = "6"
    & skf21("6","1","1","7","1","3","5","1") = "6"
    & skf21("6","1","1","7","1","3","6","1") = "6"
    & skf21("6","1","1","7","1","3","7","1") = "6"
    & skf21("6","1","1","7","1","4","1","1") = "6"
    & skf21("6","1","1","7","1","4","2","1") = "6"
    & skf21("6","1","1","7","1","4","3","1") = "6"
    & skf21("6","1","1","7","1","4","4","1") = "6"
    & skf21("6","1","1","7","1","4","5","1") = "6"
    & skf21("6","1","1","7","1","4","6","1") = "6"
    & skf21("6","1","1","7","1","4","7","1") = "6"
    & skf21("6","1","1","7","1","5","1","1") = "6"
    & skf21("6","1","1","7","1","5","2","1") = "6"
    & skf21("6","1","1","7","1","5","3","1") = "6"
    & skf21("6","1","1","7","1","5","4","1") = "6"
    & skf21("6","1","1","7","1","5","5","1") = "6"
    & skf21("6","1","1","7","1","5","6","1") = "6"
    & skf21("6","1","1","7","1","5","7","1") = "6"
    & skf21("6","1","1","7","1","6","1","1") = "6"
    & skf21("6","1","1","7","1","6","2","1") = "6"
    & skf21("6","1","1","7","1","6","3","1") = "6"
    & skf21("6","1","1","7","1","6","4","1") = "6"
    & skf21("6","1","1","7","1","6","5","1") = "6"
    & skf21("6","1","1","7","1","6","6","1") = "6"
    & skf21("6","1","1","7","1","6","7","1") = "6"
    & skf21("6","1","1","7","1","7","1","1") = "6"
    & skf21("6","1","1","7","1","7","2","1") = "6"
    & skf21("6","1","1","7","1","7","3","1") = "6"
    & skf21("6","1","1","7","1","7","4","1") = "6"
    & skf21("6","1","1","7","1","7","5","1") = "6"
    & skf21("6","1","1","7","1","7","6","1") = "6"
    & skf21("6","1","1","7","1","7","7","1") = "6"
    & skf21("6","1","1","7","2","1","1","1") = "6"
    & skf21("6","1","1","7","2","1","2","1") = "6"
    & skf21("6","1","1","7","2","1","3","1") = "6"
    & skf21("6","1","1","7","2","1","4","1") = "6"
    & skf21("6","1","1","7","2","1","5","1") = "6"
    & skf21("6","1","1","7","2","1","6","1") = "6"
    & skf21("6","1","1","7","2","1","7","1") = "6"
    & skf21("6","1","1","7","2","2","1","1") = "6"
    & skf21("6","1","1","7","2","2","2","1") = "6"
    & skf21("6","1","1","7","2","2","3","1") = "6"
    & skf21("6","1","1","7","2","2","4","1") = "6"
    & skf21("6","1","1","7","2","2","5","1") = "6"
    & skf21("6","1","1","7","2","2","6","1") = "6"
    & skf21("6","1","1","7","2","2","7","1") = "6"
    & skf21("6","1","1","7","2","3","1","1") = "6"
    & skf21("6","1","1","7","2","3","2","1") = "6"
    & skf21("6","1","1","7","2","3","3","1") = "6"
    & skf21("6","1","1","7","2","3","4","1") = "6"
    & skf21("6","1","1","7","2","3","5","1") = "6"
    & skf21("6","1","1","7","2","3","6","1") = "6"
    & skf21("6","1","1","7","2","3","7","1") = "6"
    & skf21("6","1","1","7","2","4","1","1") = "6"
    & skf21("6","1","1","7","2","4","2","1") = "6"
    & skf21("6","1","1","7","2","4","3","1") = "6"
    & skf21("6","1","1","7","2","4","4","1") = "6"
    & skf21("6","1","1","7","2","4","5","1") = "6"
    & skf21("6","1","1","7","2","4","6","1") = "6"
    & skf21("6","1","1","7","2","4","7","1") = "6"
    & skf21("6","1","1","7","2","5","1","1") = "6"
    & skf21("6","1","1","7","2","5","2","1") = "6"
    & skf21("6","1","1","7","2","5","3","1") = "6"
    & skf21("6","1","1","7","2","5","4","1") = "6"
    & skf21("6","1","1","7","2","5","5","1") = "6"
    & skf21("6","1","1","7","2","5","6","1") = "6"
    & skf21("6","1","1","7","2","5","7","1") = "6"
    & skf21("6","1","1","7","2","6","1","1") = "6"
    & skf21("6","1","1","7","2","6","2","1") = "6"
    & skf21("6","1","1","7","2","6","3","1") = "6"
    & skf21("6","1","1","7","2","6","4","1") = "6"
    & skf21("6","1","1","7","2","6","5","1") = "6"
    & skf21("6","1","1","7","2","6","6","1") = "6"
    & skf21("6","1","1","7","2","6","7","1") = "6"
    & skf21("6","1","1","7","2","7","1","1") = "6"
    & skf21("6","1","1","7","2","7","2","1") = "6"
    & skf21("6","1","1","7","2","7","3","1") = "6"
    & skf21("6","1","1","7","2","7","4","1") = "6"
    & skf21("6","1","1","7","2","7","5","1") = "6"
    & skf21("6","1","1","7","2","7","6","1") = "6"
    & skf21("6","1","1","7","2","7","7","1") = "6"
    & skf21("6","1","1","7","3","1","1","1") = "6"
    & skf21("6","1","1","7","3","1","2","1") = "6"
    & skf21("6","1","1","7","3","1","3","1") = "6"
    & skf21("6","1","1","7","3","1","4","1") = "6"
    & skf21("6","1","1","7","3","1","5","1") = "6"
    & skf21("6","1","1","7","3","1","6","1") = "6"
    & skf21("6","1","1","7","3","1","7","1") = "6"
    & skf21("6","1","1","7","3","2","1","1") = "6"
    & skf21("6","1","1","7","3","2","2","1") = "6"
    & skf21("6","1","1","7","3","2","3","1") = "6"
    & skf21("6","1","1","7","3","2","4","1") = "6"
    & skf21("6","1","1","7","3","2","5","1") = "6"
    & skf21("6","1","1","7","3","2","6","1") = "6"
    & skf21("6","1","1","7","3","2","7","1") = "6"
    & skf21("6","1","1","7","3","3","1","1") = "6"
    & skf21("6","1","1","7","3","3","2","1") = "6"
    & skf21("6","1","1","7","3","3","3","1") = "6"
    & skf21("6","1","1","7","3","3","4","1") = "6"
    & skf21("6","1","1","7","3","3","5","1") = "6"
    & skf21("6","1","1","7","3","3","6","1") = "6"
    & skf21("6","1","1","7","3","3","7","1") = "6"
    & skf21("6","1","1","7","3","4","1","1") = "6"
    & skf21("6","1","1","7","3","4","2","1") = "6"
    & skf21("6","1","1","7","3","4","3","1") = "6"
    & skf21("6","1","1","7","3","4","4","1") = "6"
    & skf21("6","1","1","7","3","4","5","1") = "6"
    & skf21("6","1","1","7","3","4","6","1") = "6"
    & skf21("6","1","1","7","3","4","7","1") = "6"
    & skf21("6","1","1","7","3","5","1","1") = "6"
    & skf21("6","1","1","7","3","5","2","1") = "6"
    & skf21("6","1","1","7","3","5","3","1") = "6"
    & skf21("6","1","1","7","3","5","4","1") = "6"
    & skf21("6","1","1","7","3","5","5","1") = "6"
    & skf21("6","1","1","7","3","5","6","1") = "6"
    & skf21("6","1","1","7","3","5","7","1") = "6"
    & skf21("6","1","1","7","3","6","1","1") = "6"
    & skf21("6","1","1","7","3","6","2","1") = "6"
    & skf21("6","1","1","7","3","6","3","1") = "6"
    & skf21("6","1","1","7","3","6","4","1") = "6"
    & skf21("6","1","1","7","3","6","5","1") = "6"
    & skf21("6","1","1","7","3","6","6","1") = "6"
    & skf21("6","1","1","7","3","6","7","1") = "6"
    & skf21("6","1","1","7","3","7","1","1") = "6"
    & skf21("6","1","1","7","3","7","2","1") = "6"
    & skf21("6","1","1","7","3","7","3","1") = "6"
    & skf21("6","1","1","7","3","7","4","1") = "6"
    & skf21("6","1","1","7","3","7","5","1") = "6"
    & skf21("6","1","1","7","3","7","6","1") = "6"
    & skf21("6","1","1","7","3","7","7","1") = "6"
    & skf21("6","1","1","7","4","1","1","1") = "6"
    & skf21("6","1","1","7","4","1","2","1") = "6"
    & skf21("6","1","1","7","4","1","3","1") = "6"
    & skf21("6","1","1","7","4","1","4","1") = "6"
    & skf21("6","1","1","7","4","1","5","1") = "6"
    & skf21("6","1","1","7","4","1","6","1") = "6"
    & skf21("6","1","1","7","4","1","7","1") = "6"
    & skf21("6","1","1","7","4","2","1","1") = "6"
    & skf21("6","1","1","7","4","2","2","1") = "6"
    & skf21("6","1","1","7","4","2","3","1") = "6"
    & skf21("6","1","1","7","4","2","4","1") = "6"
    & skf21("6","1","1","7","4","2","5","1") = "6"
    & skf21("6","1","1","7","4","2","6","1") = "6"
    & skf21("6","1","1","7","4","2","7","1") = "6"
    & skf21("6","1","1","7","4","3","1","1") = "6"
    & skf21("6","1","1","7","4","3","2","1") = "6"
    & skf21("6","1","1","7","4","3","3","1") = "6"
    & skf21("6","1","1","7","4","3","4","1") = "6"
    & skf21("6","1","1","7","4","3","5","1") = "6"
    & skf21("6","1","1","7","4","3","6","1") = "6"
    & skf21("6","1","1","7","4","3","7","1") = "6"
    & skf21("6","1","1","7","4","4","1","1") = "6"
    & skf21("6","1","1","7","4","4","2","1") = "6"
    & skf21("6","1","1","7","4","4","3","1") = "6"
    & skf21("6","1","1","7","4","4","4","1") = "6"
    & skf21("6","1","1","7","4","4","5","1") = "6"
    & skf21("6","1","1","7","4","4","6","1") = "6"
    & skf21("6","1","1","7","4","4","7","1") = "6"
    & skf21("6","1","1","7","4","5","1","1") = "6"
    & skf21("6","1","1","7","4","5","2","1") = "6"
    & skf21("6","1","1","7","4","5","3","1") = "6"
    & skf21("6","1","1","7","4","5","4","1") = "6"
    & skf21("6","1","1","7","4","5","5","1") = "6"
    & skf21("6","1","1","7","4","5","6","1") = "6"
    & skf21("6","1","1","7","4","5","7","1") = "6"
    & skf21("6","1","1","7","4","6","1","1") = "6"
    & skf21("6","1","1","7","4","6","2","1") = "6"
    & skf21("6","1","1","7","4","6","3","1") = "6"
    & skf21("6","1","1","7","4","6","4","1") = "6"
    & skf21("6","1","1","7","4","6","5","1") = "6"
    & skf21("6","1","1","7","4","6","6","1") = "6"
    & skf21("6","1","1","7","4","6","7","1") = "6"
    & skf21("6","1","1","7","4","7","1","1") = "6"
    & skf21("6","1","1","7","4","7","2","1") = "6"
    & skf21("6","1","1","7","4","7","3","1") = "6"
    & skf21("6","1","1","7","4","7","4","1") = "6"
    & skf21("6","1","1","7","4","7","5","1") = "6"
    & skf21("6","1","1","7","4","7","6","1") = "6"
    & skf21("6","1","1","7","4","7","7","1") = "6"
    & skf21("6","1","1","7","5","1","1","1") = "6"
    & skf21("6","1","1","7","5","1","2","1") = "6"
    & skf21("6","1","1","7","5","1","3","1") = "6"
    & skf21("6","1","1","7","5","1","4","1") = "6"
    & skf21("6","1","1","7","5","1","5","1") = "6"
    & skf21("6","1","1","7","5","1","6","1") = "6"
    & skf21("6","1","1","7","5","1","7","1") = "6"
    & skf21("6","1","1","7","5","2","1","1") = "6"
    & skf21("6","1","1","7","5","2","2","1") = "6"
    & skf21("6","1","1","7","5","2","3","1") = "6"
    & skf21("6","1","1","7","5","2","4","1") = "6"
    & skf21("6","1","1","7","5","2","5","1") = "6"
    & skf21("6","1","1","7","5","2","6","1") = "6"
    & skf21("6","1","1","7","5","2","7","1") = "6"
    & skf21("6","1","1","7","5","3","1","1") = "6"
    & skf21("6","1","1","7","5","3","2","1") = "6"
    & skf21("6","1","1","7","5","3","3","1") = "6"
    & skf21("6","1","1","7","5","3","4","1") = "6"
    & skf21("6","1","1","7","5","3","5","1") = "6"
    & skf21("6","1","1","7","5","3","6","1") = "6"
    & skf21("6","1","1","7","5","3","7","1") = "6"
    & skf21("6","1","1","7","5","4","1","1") = "6"
    & skf21("6","1","1","7","5","4","2","1") = "6"
    & skf21("6","1","1","7","5","4","3","1") = "6"
    & skf21("6","1","1","7","5","4","4","1") = "6"
    & skf21("6","1","1","7","5","4","5","1") = "6"
    & skf21("6","1","1","7","5","4","6","1") = "6"
    & skf21("6","1","1","7","5","4","7","1") = "6"
    & skf21("6","1","1","7","5","5","1","1") = "6"
    & skf21("6","1","1","7","5","5","2","1") = "6"
    & skf21("6","1","1","7","5","5","3","1") = "6"
    & skf21("6","1","1","7","5","5","4","1") = "6"
    & skf21("6","1","1","7","5","5","5","1") = "6"
    & skf21("6","1","1","7","5","5","6","1") = "6"
    & skf21("6","1","1","7","5","5","7","1") = "6"
    & skf21("6","1","1","7","5","6","1","1") = "6"
    & skf21("6","1","1","7","5","6","2","1") = "6"
    & skf21("6","1","1","7","5","6","3","1") = "6"
    & skf21("6","1","1","7","5","6","4","1") = "6"
    & skf21("6","1","1","7","5","6","5","1") = "6"
    & skf21("6","1","1","7","5","6","6","1") = "6"
    & skf21("6","1","1","7","5","6","7","1") = "6"
    & skf21("6","1","1","7","5","7","1","1") = "6"
    & skf21("6","1","1","7","5","7","2","1") = "6"
    & skf21("6","1","1","7","5","7","3","1") = "6"
    & skf21("6","1","1","7","5","7","4","1") = "6"
    & skf21("6","1","1","7","5","7","5","1") = "6"
    & skf21("6","1","1","7","5","7","6","1") = "6"
    & skf21("6","1","1","7","5","7","7","1") = "6"
    & skf21("6","1","1","7","6","1","1","1") = "6"
    & skf21("6","1","1","7","6","1","2","1") = "6"
    & skf21("6","1","1","7","6","1","3","1") = "6"
    & skf21("6","1","1","7","6","1","4","1") = "6"
    & skf21("6","1","1","7","6","1","5","1") = "6"
    & skf21("6","1","1","7","6","1","6","1") = "6"
    & skf21("6","1","1","7","6","1","7","1") = "6"
    & skf21("6","1","1","7","6","2","1","1") = "6"
    & skf21("6","1","1","7","6","2","2","1") = "6"
    & skf21("6","1","1","7","6","2","3","1") = "6"
    & skf21("6","1","1","7","6","2","4","1") = "6"
    & skf21("6","1","1","7","6","2","5","1") = "6"
    & skf21("6","1","1","7","6","2","6","1") = "6"
    & skf21("6","1","1","7","6","2","7","1") = "6"
    & skf21("6","1","1","7","6","3","1","1") = "6"
    & skf21("6","1","1","7","6","3","2","1") = "6"
    & skf21("6","1","1","7","6","3","3","1") = "6"
    & skf21("6","1","1","7","6","3","4","1") = "6"
    & skf21("6","1","1","7","6","3","5","1") = "6"
    & skf21("6","1","1","7","6","3","6","1") = "6"
    & skf21("6","1","1","7","6","3","7","1") = "6"
    & skf21("6","1","1","7","6","4","1","1") = "6"
    & skf21("6","1","1","7","6","4","2","1") = "6"
    & skf21("6","1","1","7","6","4","3","1") = "6"
    & skf21("6","1","1","7","6","4","4","1") = "6"
    & skf21("6","1","1","7","6","4","5","1") = "6"
    & skf21("6","1","1","7","6","4","6","1") = "6"
    & skf21("6","1","1","7","6","4","7","1") = "6"
    & skf21("6","1","1","7","6","5","1","1") = "6"
    & skf21("6","1","1","7","6","5","2","1") = "6"
    & skf21("6","1","1","7","6","5","3","1") = "6"
    & skf21("6","1","1","7","6","5","4","1") = "6"
    & skf21("6","1","1","7","6","5","5","1") = "6"
    & skf21("6","1","1","7","6","5","6","1") = "6"
    & skf21("6","1","1","7","6","5","7","1") = "6"
    & skf21("6","1","1","7","6","6","1","1") = "6"
    & skf21("6","1","1","7","6","6","2","1") = "6"
    & skf21("6","1","1","7","6","6","3","1") = "6"
    & skf21("6","1","1","7","6","6","4","1") = "6"
    & skf21("6","1","1","7","6","6","5","1") = "6"
    & skf21("6","1","1","7","6","6","6","1") = "6"
    & skf21("6","1","1","7","6","6","7","1") = "6"
    & skf21("6","1","1","7","6","7","1","1") = "6"
    & skf21("6","1","1","7","6","7","2","1") = "6"
    & skf21("6","1","1","7","6","7","3","1") = "6"
    & skf21("6","1","1","7","6","7","4","1") = "6"
    & skf21("6","1","1","7","6","7","5","1") = "6"
    & skf21("6","1","1","7","6","7","6","1") = "6"
    & skf21("6","1","1","7","6","7","7","1") = "6"
    & skf21("6","1","1","7","7","1","1","1") = "6"
    & skf21("6","1","1","7","7","1","2","1") = "6"
    & skf21("6","1","1","7","7","1","3","1") = "6"
    & skf21("6","1","1","7","7","1","4","1") = "6"
    & skf21("6","1","1","7","7","1","5","1") = "6"
    & skf21("6","1","1","7","7","1","6","1") = "6"
    & skf21("6","1","1","7","7","1","7","1") = "6"
    & skf21("6","1","1","7","7","2","1","1") = "6"
    & skf21("6","1","1","7","7","2","2","1") = "6"
    & skf21("6","1","1","7","7","2","3","1") = "6"
    & skf21("6","1","1","7","7","2","4","1") = "6"
    & skf21("6","1","1","7","7","2","5","1") = "6"
    & skf21("6","1","1","7","7","2","6","1") = "6"
    & skf21("6","1","1","7","7","2","7","1") = "6"
    & skf21("6","1","1","7","7","3","1","1") = "6"
    & skf21("6","1","1","7","7","3","2","1") = "6"
    & skf21("6","1","1","7","7","3","3","1") = "6"
    & skf21("6","1","1","7","7","3","4","1") = "6"
    & skf21("6","1","1","7","7","3","5","1") = "6"
    & skf21("6","1","1","7","7","3","6","1") = "6"
    & skf21("6","1","1","7","7","3","7","1") = "6"
    & skf21("6","1","1","7","7","4","1","1") = "6"
    & skf21("6","1","1","7","7","4","2","1") = "6"
    & skf21("6","1","1","7","7","4","3","1") = "6"
    & skf21("6","1","1","7","7","4","4","1") = "6"
    & skf21("6","1","1","7","7","4","5","1") = "6"
    & skf21("6","1","1","7","7","4","6","1") = "6"
    & skf21("6","1","1","7","7","4","7","1") = "6"
    & skf21("6","1","1","7","7","5","1","1") = "6"
    & skf21("6","1","1","7","7","5","2","1") = "6"
    & skf21("6","1","1","7","7","5","3","1") = "6"
    & skf21("6","1","1","7","7","5","4","1") = "6"
    & skf21("6","1","1","7","7","5","5","1") = "6"
    & skf21("6","1","1","7","7","5","6","1") = "6"
    & skf21("6","1","1","7","7","5","7","1") = "6"
    & skf21("6","1","1","7","7","6","1","1") = "6"
    & skf21("6","1","1","7","7","6","2","1") = "6"
    & skf21("6","1","1","7","7","6","3","1") = "6"
    & skf21("6","1","1","7","7","6","4","1") = "6"
    & skf21("6","1","1","7","7","6","5","1") = "6"
    & skf21("6","1","1","7","7","6","6","1") = "6"
    & skf21("6","1","1","7","7","6","7","1") = "6"
    & skf21("6","1","1","7","7","7","1","1") = "6"
    & skf21("6","1","1","7","7","7","2","1") = "6"
    & skf21("6","1","1","7","7","7","3","1") = "6"
    & skf21("6","1","1","7","7","7","4","1") = "6"
    & skf21("6","1","1","7","7","7","5","1") = "6"
    & skf21("6","1","1","7","7","7","6","1") = "6"
    & skf21("6","1","1","7","7","7","7","1") = "6"
    & skf21("6","1","2","1","1","1","1","1") = "5"
    & skf21("6","1","2","1","1","1","2","1") = "5"
    & skf21("6","1","2","1","1","1","3","1") = "5"
    & skf21("6","1","2","1","1","1","4","1") = "5"
    & skf21("6","1","2","1","1","1","5","1") = "5"
    & skf21("6","1","2","1","1","1","6","1") = "5"
    & skf21("6","1","2","1","1","1","7","1") = "6"
    & skf21("6","1","2","1","1","2","1","1") = "5"
    & skf21("6","1","2","1","1","2","2","1") = "5"
    & skf21("6","1","2","1","1","2","3","1") = "5"
    & skf21("6","1","2","1","1","2","4","1") = "5"
    & skf21("6","1","2","1","1","2","5","1") = "5"
    & skf21("6","1","2","1","1","2","6","1") = "5"
    & skf21("6","1","2","1","1","2","7","1") = "6"
    & skf21("6","1","2","1","1","3","1","1") = "5"
    & skf21("6","1","2","1","1","3","2","1") = "5"
    & skf21("6","1","2","1","1","3","3","1") = "5"
    & skf21("6","1","2","1","1","3","4","1") = "5"
    & skf21("6","1","2","1","1","3","5","1") = "5"
    & skf21("6","1","2","1","1","3","6","1") = "5"
    & skf21("6","1","2","1","1","3","7","1") = "6"
    & skf21("6","1","2","1","1","4","1","1") = "5"
    & skf21("6","1","2","1","1","4","2","1") = "5"
    & skf21("6","1","2","1","1","4","3","1") = "5"
    & skf21("6","1","2","1","1","4","4","1") = "5"
    & skf21("6","1","2","1","1","4","5","1") = "5"
    & skf21("6","1","2","1","1","4","6","1") = "5"
    & skf21("6","1","2","1","1","4","7","1") = "6"
    & skf21("6","1","2","1","1","5","1","1") = "5"
    & skf21("6","1","2","1","1","5","2","1") = "5"
    & skf21("6","1","2","1","1","5","3","1") = "5"
    & skf21("6","1","2","1","1","5","4","1") = "5"
    & skf21("6","1","2","1","1","5","5","1") = "5"
    & skf21("6","1","2","1","1","5","6","1") = "5"
    & skf21("6","1","2","1","1","5","7","1") = "6"
    & skf21("6","1","2","1","1","6","1","1") = "5"
    & skf21("6","1","2","1","1","6","2","1") = "5"
    & skf21("6","1","2","1","1","6","3","1") = "5"
    & skf21("6","1","2","1","1","6","4","1") = "5"
    & skf21("6","1","2","1","1","6","5","1") = "5"
    & skf21("6","1","2","1","1","6","6","1") = "5"
    & skf21("6","1","2","1","1","6","7","1") = "6"
    & skf21("6","1","2","1","1","7","1","1") = "6"
    & skf21("6","1","2","1","1","7","2","1") = "6"
    & skf21("6","1","2","1","1","7","3","1") = "6"
    & skf21("6","1","2","1","1","7","4","1") = "6"
    & skf21("6","1","2","1","1","7","5","1") = "6"
    & skf21("6","1","2","1","1","7","6","1") = "6"
    & skf21("6","1","2","1","1","7","7","1") = "6"
    & skf21("6","1","2","1","2","1","1","1") = "5"
    & skf21("6","1","2","1","2","1","2","1") = "5"
    & skf21("6","1","2","1","2","1","3","1") = "5"
    & skf21("6","1","2","1","2","1","4","1") = "5"
    & skf21("6","1","2","1","2","1","5","1") = "5"
    & skf21("6","1","2","1","2","1","6","1") = "5"
    & skf21("6","1","2","1","2","1","7","1") = "6"
    & skf21("6","1","2","1","2","2","1","1") = "5"
    & skf21("6","1","2","1","2","2","2","1") = "5"
    & skf21("6","1","2","1","2","2","3","1") = "5"
    & skf21("6","1","2","1","2","2","4","1") = "5"
    & skf21("6","1","2","1","2","2","5","1") = "5"
    & skf21("6","1","2","1","2","2","6","1") = "5"
    & skf21("6","1","2","1","2","2","7","1") = "6"
    & skf21("6","1","2","1","2","3","1","1") = "5"
    & skf21("6","1","2","1","2","3","2","1") = "5"
    & skf21("6","1","2","1","2","3","3","1") = "5"
    & skf21("6","1","2","1","2","3","4","1") = "5"
    & skf21("6","1","2","1","2","3","5","1") = "5"
    & skf21("6","1","2","1","2","3","6","1") = "5"
    & skf21("6","1","2","1","2","3","7","1") = "6"
    & skf21("6","1","2","1","2","4","1","1") = "5"
    & skf21("6","1","2","1","2","4","2","1") = "5"
    & skf21("6","1","2","1","2","4","3","1") = "5"
    & skf21("6","1","2","1","2","4","4","1") = "5"
    & skf21("6","1","2","1","2","4","5","1") = "5"
    & skf21("6","1","2","1","2","4","6","1") = "5"
    & skf21("6","1","2","1","2","4","7","1") = "6"
    & skf21("6","1","2","1","2","5","1","1") = "5"
    & skf21("6","1","2","1","2","5","2","1") = "5"
    & skf21("6","1","2","1","2","5","3","1") = "5"
    & skf21("6","1","2","1","2","5","4","1") = "5"
    & skf21("6","1","2","1","2","5","5","1") = "5"
    & skf21("6","1","2","1","2","5","6","1") = "5"
    & skf21("6","1","2","1","2","5","7","1") = "6"
    & skf21("6","1","2","1","2","6","1","1") = "5"
    & skf21("6","1","2","1","2","6","2","1") = "5"
    & skf21("6","1","2","1","2","6","3","1") = "5"
    & skf21("6","1","2","1","2","6","4","1") = "5"
    & skf21("6","1","2","1","2","6","5","1") = "5"
    & skf21("6","1","2","1","2","6","6","1") = "5"
    & skf21("6","1","2","1","2","6","7","1") = "6"
    & skf21("6","1","2","1","2","7","1","1") = "6"
    & skf21("6","1","2","1","2","7","2","1") = "6"
    & skf21("6","1","2","1","2","7","3","1") = "6"
    & skf21("6","1","2","1","2","7","4","1") = "6"
    & skf21("6","1","2","1","2","7","5","1") = "6"
    & skf21("6","1","2","1","2","7","6","1") = "6"
    & skf21("6","1","2","1","2","7","7","1") = "6"
    & skf21("6","1","2","1","3","1","1","1") = "5"
    & skf21("6","1","2","1","3","1","2","1") = "5"
    & skf21("6","1","2","1","3","1","3","1") = "5"
    & skf21("6","1","2","1","3","1","4","1") = "5"
    & skf21("6","1","2","1","3","1","5","1") = "5"
    & skf21("6","1","2","1","3","1","6","1") = "5"
    & skf21("6","1","2","1","3","1","7","1") = "6"
    & skf21("6","1","2","1","3","2","1","1") = "5"
    & skf21("6","1","2","1","3","2","2","1") = "5"
    & skf21("6","1","2","1","3","2","3","1") = "5"
    & skf21("6","1","2","1","3","2","4","1") = "5"
    & skf21("6","1","2","1","3","2","5","1") = "5"
    & skf21("6","1","2","1","3","2","6","1") = "5"
    & skf21("6","1","2","1","3","2","7","1") = "6"
    & skf21("6","1","2","1","3","3","1","1") = "5"
    & skf21("6","1","2","1","3","3","2","1") = "5"
    & skf21("6","1","2","1","3","3","3","1") = "5"
    & skf21("6","1","2","1","3","3","4","1") = "5"
    & skf21("6","1","2","1","3","3","5","1") = "5"
    & skf21("6","1","2","1","3","3","6","1") = "5"
    & skf21("6","1","2","1","3","3","7","1") = "6"
    & skf21("6","1","2","1","3","4","1","1") = "5"
    & skf21("6","1","2","1","3","4","2","1") = "5"
    & skf21("6","1","2","1","3","4","3","1") = "5"
    & skf21("6","1","2","1","3","4","4","1") = "5"
    & skf21("6","1","2","1","3","4","5","1") = "5"
    & skf21("6","1","2","1","3","4","6","1") = "5"
    & skf21("6","1","2","1","3","4","7","1") = "6"
    & skf21("6","1","2","1","3","5","1","1") = "5"
    & skf21("6","1","2","1","3","5","2","1") = "5"
    & skf21("6","1","2","1","3","5","3","1") = "5"
    & skf21("6","1","2","1","3","5","4","1") = "5"
    & skf21("6","1","2","1","3","5","5","1") = "5"
    & skf21("6","1","2","1","3","5","6","1") = "5"
    & skf21("6","1","2","1","3","5","7","1") = "6"
    & skf21("6","1","2","1","3","6","1","1") = "5"
    & skf21("6","1","2","1","3","6","2","1") = "5"
    & skf21("6","1","2","1","3","6","3","1") = "5"
    & skf21("6","1","2","1","3","6","4","1") = "5"
    & skf21("6","1","2","1","3","6","5","1") = "5"
    & skf21("6","1","2","1","3","6","6","1") = "5"
    & skf21("6","1","2","1","3","6","7","1") = "6"
    & skf21("6","1","2","1","3","7","1","1") = "6"
    & skf21("6","1","2","1","3","7","2","1") = "6"
    & skf21("6","1","2","1","3","7","3","1") = "6"
    & skf21("6","1","2","1","3","7","4","1") = "6"
    & skf21("6","1","2","1","3","7","5","1") = "6"
    & skf21("6","1","2","1","3","7","6","1") = "6"
    & skf21("6","1","2","1","3","7","7","1") = "6"
    & skf21("6","1","2","1","4","1","1","1") = "5"
    & skf21("6","1","2","1","4","1","2","1") = "5"
    & skf21("6","1","2","1","4","1","3","1") = "5"
    & skf21("6","1","2","1","4","1","4","1") = "5"
    & skf21("6","1","2","1","4","1","5","1") = "5"
    & skf21("6","1","2","1","4","1","6","1") = "5"
    & skf21("6","1","2","1","4","1","7","1") = "6"
    & skf21("6","1","2","1","4","2","1","1") = "5"
    & skf21("6","1","2","1","4","2","2","1") = "5"
    & skf21("6","1","2","1","4","2","3","1") = "5"
    & skf21("6","1","2","1","4","2","4","1") = "5"
    & skf21("6","1","2","1","4","2","5","1") = "5"
    & skf21("6","1","2","1","4","2","6","1") = "5"
    & skf21("6","1","2","1","4","2","7","1") = "6"
    & skf21("6","1","2","1","4","3","1","1") = "5"
    & skf21("6","1","2","1","4","3","2","1") = "5"
    & skf21("6","1","2","1","4","3","3","1") = "5"
    & skf21("6","1","2","1","4","3","4","1") = "5"
    & skf21("6","1","2","1","4","3","5","1") = "5"
    & skf21("6","1","2","1","4","3","6","1") = "5"
    & skf21("6","1","2","1","4","3","7","1") = "6"
    & skf21("6","1","2","1","4","4","1","1") = "5"
    & skf21("6","1","2","1","4","4","2","1") = "5"
    & skf21("6","1","2","1","4","4","3","1") = "5"
    & skf21("6","1","2","1","4","4","4","1") = "5"
    & skf21("6","1","2","1","4","4","5","1") = "5"
    & skf21("6","1","2","1","4","4","6","1") = "5"
    & skf21("6","1","2","1","4","4","7","1") = "6"
    & skf21("6","1","2","1","4","5","1","1") = "5"
    & skf21("6","1","2","1","4","5","2","1") = "5"
    & skf21("6","1","2","1","4","5","3","1") = "5"
    & skf21("6","1","2","1","4","5","4","1") = "5"
    & skf21("6","1","2","1","4","5","5","1") = "5"
    & skf21("6","1","2","1","4","5","6","1") = "5"
    & skf21("6","1","2","1","4","5","7","1") = "6"
    & skf21("6","1","2","1","4","6","1","1") = "5"
    & skf21("6","1","2","1","4","6","2","1") = "5"
    & skf21("6","1","2","1","4","6","3","1") = "5"
    & skf21("6","1","2","1","4","6","4","1") = "5"
    & skf21("6","1","2","1","4","6","5","1") = "5"
    & skf21("6","1","2","1","4","6","6","1") = "5"
    & skf21("6","1","2","1","4","6","7","1") = "6"
    & skf21("6","1","2","1","4","7","1","1") = "6"
    & skf21("6","1","2","1","4","7","2","1") = "6"
    & skf21("6","1","2","1","4","7","3","1") = "6"
    & skf21("6","1","2","1","4","7","4","1") = "6"
    & skf21("6","1","2","1","4","7","5","1") = "6"
    & skf21("6","1","2","1","4","7","6","1") = "6"
    & skf21("6","1","2","1","4","7","7","1") = "6"
    & skf21("6","1","2","1","5","1","1","1") = "5"
    & skf21("6","1","2","1","5","1","2","1") = "5"
    & skf21("6","1","2","1","5","1","3","1") = "5"
    & skf21("6","1","2","1","5","1","4","1") = "5"
    & skf21("6","1","2","1","5","1","5","1") = "5"
    & skf21("6","1","2","1","5","1","6","1") = "5"
    & skf21("6","1","2","1","5","1","7","1") = "6"
    & skf21("6","1","2","1","5","2","1","1") = "5"
    & skf21("6","1","2","1","5","2","2","1") = "5"
    & skf21("6","1","2","1","5","2","3","1") = "5"
    & skf21("6","1","2","1","5","2","4","1") = "5"
    & skf21("6","1","2","1","5","2","5","1") = "5"
    & skf21("6","1","2","1","5","2","6","1") = "5"
    & skf21("6","1","2","1","5","2","7","1") = "6"
    & skf21("6","1","2","1","5","3","1","1") = "5"
    & skf21("6","1","2","1","5","3","2","1") = "5"
    & skf21("6","1","2","1","5","3","3","1") = "5"
    & skf21("6","1","2","1","5","3","4","1") = "5"
    & skf21("6","1","2","1","5","3","5","1") = "5"
    & skf21("6","1","2","1","5","3","6","1") = "5"
    & skf21("6","1","2","1","5","3","7","1") = "6"
    & skf21("6","1","2","1","5","4","1","1") = "5"
    & skf21("6","1","2","1","5","4","2","1") = "5"
    & skf21("6","1","2","1","5","4","3","1") = "5"
    & skf21("6","1","2","1","5","4","4","1") = "5"
    & skf21("6","1","2","1","5","4","5","1") = "5"
    & skf21("6","1","2","1","5","4","6","1") = "5"
    & skf21("6","1","2","1","5","4","7","1") = "6"
    & skf21("6","1","2","1","5","5","1","1") = "5"
    & skf21("6","1","2","1","5","5","2","1") = "5"
    & skf21("6","1","2","1","5","5","3","1") = "5"
    & skf21("6","1","2","1","5","5","4","1") = "5"
    & skf21("6","1","2","1","5","5","5","1") = "5"
    & skf21("6","1","2","1","5","5","6","1") = "5"
    & skf21("6","1","2","1","5","5","7","1") = "6"
    & skf21("6","1","2","1","5","6","1","1") = "5"
    & skf21("6","1","2","1","5","6","2","1") = "5"
    & skf21("6","1","2","1","5","6","3","1") = "5"
    & skf21("6","1","2","1","5","6","4","1") = "5"
    & skf21("6","1","2","1","5","6","5","1") = "5"
    & skf21("6","1","2","1","5","6","6","1") = "5"
    & skf21("6","1","2","1","5","6","7","1") = "6"
    & skf21("6","1","2","1","5","7","1","1") = "6"
    & skf21("6","1","2","1","5","7","2","1") = "6"
    & skf21("6","1","2","1","5","7","3","1") = "6"
    & skf21("6","1","2","1","5","7","4","1") = "6"
    & skf21("6","1","2","1","5","7","5","1") = "6"
    & skf21("6","1","2","1","5","7","6","1") = "6"
    & skf21("6","1","2","1","5","7","7","1") = "6"
    & skf21("6","1","2","1","6","1","1","1") = "5"
    & skf21("6","1","2","1","6","1","2","1") = "5"
    & skf21("6","1","2","1","6","1","3","1") = "5"
    & skf21("6","1","2","1","6","1","4","1") = "5"
    & skf21("6","1","2","1","6","1","5","1") = "5"
    & skf21("6","1","2","1","6","1","6","1") = "5"
    & skf21("6","1","2","1","6","1","7","1") = "6"
    & skf21("6","1","2","1","6","2","1","1") = "5"
    & skf21("6","1","2","1","6","2","2","1") = "5"
    & skf21("6","1","2","1","6","2","3","1") = "5"
    & skf21("6","1","2","1","6","2","4","1") = "5"
    & skf21("6","1","2","1","6","2","5","1") = "5"
    & skf21("6","1","2","1","6","2","6","1") = "5"
    & skf21("6","1","2","1","6","2","7","1") = "6"
    & skf21("6","1","2","1","6","3","1","1") = "5"
    & skf21("6","1","2","1","6","3","2","1") = "5"
    & skf21("6","1","2","1","6","3","3","1") = "5"
    & skf21("6","1","2","1","6","3","4","1") = "5"
    & skf21("6","1","2","1","6","3","5","1") = "5"
    & skf21("6","1","2","1","6","3","6","1") = "5"
    & skf21("6","1","2","1","6","3","7","1") = "6"
    & skf21("6","1","2","1","6","4","1","1") = "5"
    & skf21("6","1","2","1","6","4","2","1") = "5"
    & skf21("6","1","2","1","6","4","3","1") = "5"
    & skf21("6","1","2","1","6","4","4","1") = "5"
    & skf21("6","1","2","1","6","4","5","1") = "5"
    & skf21("6","1","2","1","6","4","6","1") = "5"
    & skf21("6","1","2","1","6","4","7","1") = "6"
    & skf21("6","1","2","1","6","5","1","1") = "5"
    & skf21("6","1","2","1","6","5","2","1") = "5"
    & skf21("6","1","2","1","6","5","3","1") = "5"
    & skf21("6","1","2","1","6","5","4","1") = "5"
    & skf21("6","1","2","1","6","5","5","1") = "5"
    & skf21("6","1","2","1","6","5","6","1") = "5"
    & skf21("6","1","2","1","6","5","7","1") = "6"
    & skf21("6","1","2","1","6","6","1","1") = "5"
    & skf21("6","1","2","1","6","6","2","1") = "5"
    & skf21("6","1","2","1","6","6","3","1") = "5"
    & skf21("6","1","2","1","6","6","4","1") = "5"
    & skf21("6","1","2","1","6","6","5","1") = "5"
    & skf21("6","1","2","1","6","6","6","1") = "5"
    & skf21("6","1","2","1","6","6","7","1") = "6"
    & skf21("6","1","2","1","6","7","1","1") = "6"
    & skf21("6","1","2","1","6","7","2","1") = "6"
    & skf21("6","1","2","1","6","7","3","1") = "6"
    & skf21("6","1","2","1","6","7","4","1") = "6"
    & skf21("6","1","2","1","6","7","5","1") = "6"
    & skf21("6","1","2","1","6","7","6","1") = "6"
    & skf21("6","1","2","1","6","7","7","1") = "6"
    & skf21("6","1","2","1","7","1","1","1") = "6"
    & skf21("6","1","2","1","7","1","2","1") = "6"
    & skf21("6","1","2","1","7","1","3","1") = "6"
    & skf21("6","1","2","1","7","1","4","1") = "6"
    & skf21("6","1","2","1","7","1","5","1") = "6"
    & skf21("6","1","2","1","7","1","6","1") = "6"
    & skf21("6","1","2","1","7","1","7","1") = "6"
    & skf21("6","1","2","1","7","2","1","1") = "6"
    & skf21("6","1","2","1","7","2","2","1") = "6"
    & skf21("6","1","2","1","7","2","3","1") = "6"
    & skf21("6","1","2","1","7","2","4","1") = "6"
    & skf21("6","1","2","1","7","2","5","1") = "6"
    & skf21("6","1","2","1","7","2","6","1") = "6"
    & skf21("6","1","2","1","7","2","7","1") = "6"
    & skf21("6","1","2","1","7","3","1","1") = "6"
    & skf21("6","1","2","1","7","3","2","1") = "6"
    & skf21("6","1","2","1","7","3","3","1") = "6"
    & skf21("6","1","2","1","7","3","4","1") = "6"
    & skf21("6","1","2","1","7","3","5","1") = "6"
    & skf21("6","1","2","1","7","3","6","1") = "6"
    & skf21("6","1","2","1","7","3","7","1") = "6"
    & skf21("6","1","2","1","7","4","1","1") = "6"
    & skf21("6","1","2","1","7","4","2","1") = "6"
    & skf21("6","1","2","1","7","4","3","1") = "6"
    & skf21("6","1","2","1","7","4","4","1") = "6"
    & skf21("6","1","2","1","7","4","5","1") = "6"
    & skf21("6","1","2","1","7","4","6","1") = "6"
    & skf21("6","1","2","1","7","4","7","1") = "6"
    & skf21("6","1","2","1","7","5","1","1") = "6"
    & skf21("6","1","2","1","7","5","2","1") = "6"
    & skf21("6","1","2","1","7","5","3","1") = "6"
    & skf21("6","1","2","1","7","5","4","1") = "6"
    & skf21("6","1","2","1","7","5","5","1") = "6"
    & skf21("6","1","2","1","7","5","6","1") = "6"
    & skf21("6","1","2","1","7","5","7","1") = "6"
    & skf21("6","1","2","1","7","6","1","1") = "6"
    & skf21("6","1","2","1","7","6","2","1") = "6"
    & skf21("6","1","2","1","7","6","3","1") = "6"
    & skf21("6","1","2","1","7","6","4","1") = "6"
    & skf21("6","1","2","1","7","6","5","1") = "6"
    & skf21("6","1","2","1","7","6","6","1") = "6"
    & skf21("6","1","2","1","7","6","7","1") = "6"
    & skf21("6","1","2","1","7","7","1","1") = "6"
    & skf21("6","1","2","1","7","7","2","1") = "6"
    & skf21("6","1","2","1","7","7","3","1") = "6"
    & skf21("6","1","2","1","7","7","4","1") = "6"
    & skf21("6","1","2","1","7","7","5","1") = "6"
    & skf21("6","1","2","1","7","7","6","1") = "6"
    & skf21("6","1","2","1","7","7","7","1") = "6"
    & skf21("6","1","2","2","1","1","1","1") = "5"
    & skf21("6","1","2","2","1","1","2","1") = "5"
    & skf21("6","1","2","2","1","1","3","1") = "5"
    & skf21("6","1","2","2","1","1","4","1") = "5"
    & skf21("6","1","2","2","1","1","5","1") = "5"
    & skf21("6","1","2","2","1","1","6","1") = "5"
    & skf21("6","1","2","2","1","1","7","1") = "6"
    & skf21("6","1","2","2","1","2","1","1") = "5"
    & skf21("6","1","2","2","1","2","2","1") = "5"
    & skf21("6","1","2","2","1","2","3","1") = "5"
    & skf21("6","1","2","2","1","2","4","1") = "5"
    & skf21("6","1","2","2","1","2","5","1") = "5"
    & skf21("6","1","2","2","1","2","6","1") = "5"
    & skf21("6","1","2","2","1","2","7","1") = "6"
    & skf21("6","1","2","2","1","3","1","1") = "5"
    & skf21("6","1","2","2","1","3","2","1") = "5"
    & skf21("6","1","2","2","1","3","3","1") = "5"
    & skf21("6","1","2","2","1","3","4","1") = "5"
    & skf21("6","1","2","2","1","3","5","1") = "5"
    & skf21("6","1","2","2","1","3","6","1") = "5"
    & skf21("6","1","2","2","1","3","7","1") = "6"
    & skf21("6","1","2","2","1","4","1","1") = "5"
    & skf21("6","1","2","2","1","4","2","1") = "5"
    & skf21("6","1","2","2","1","4","3","1") = "5"
    & skf21("6","1","2","2","1","4","4","1") = "5"
    & skf21("6","1","2","2","1","4","5","1") = "5"
    & skf21("6","1","2","2","1","4","6","1") = "5"
    & skf21("6","1","2","2","1","4","7","1") = "6"
    & skf21("6","1","2","2","1","5","1","1") = "5"
    & skf21("6","1","2","2","1","5","2","1") = "5"
    & skf21("6","1","2","2","1","5","3","1") = "5"
    & skf21("6","1","2","2","1","5","4","1") = "5"
    & skf21("6","1","2","2","1","5","5","1") = "5"
    & skf21("6","1","2","2","1","5","6","1") = "5"
    & skf21("6","1","2","2","1","5","7","1") = "6"
    & skf21("6","1","2","2","1","6","1","1") = "5"
    & skf21("6","1","2","2","1","6","2","1") = "5"
    & skf21("6","1","2","2","1","6","3","1") = "5"
    & skf21("6","1","2","2","1","6","4","1") = "5"
    & skf21("6","1","2","2","1","6","5","1") = "5"
    & skf21("6","1","2","2","1","6","6","1") = "5"
    & skf21("6","1","2","2","1","6","7","1") = "6"
    & skf21("6","1","2","2","1","7","1","1") = "6"
    & skf21("6","1","2","2","1","7","2","1") = "6"
    & skf21("6","1","2","2","1","7","3","1") = "6"
    & skf21("6","1","2","2","1","7","4","1") = "6"
    & skf21("6","1","2","2","1","7","5","1") = "6"
    & skf21("6","1","2","2","1","7","6","1") = "6"
    & skf21("6","1","2","2","1","7","7","1") = "6"
    & skf21("6","1","2","2","2","1","1","1") = "5"
    & skf21("6","1","2","2","2","1","2","1") = "5"
    & skf21("6","1","2","2","2","1","3","1") = "5"
    & skf21("6","1","2","2","2","1","4","1") = "5"
    & skf21("6","1","2","2","2","1","5","1") = "5"
    & skf21("6","1","2","2","2","1","6","1") = "5"
    & skf21("6","1","2","2","2","1","7","1") = "6"
    & skf21("6","1","2","2","2","2","1","1") = "5"
    & skf21("6","1","2","2","2","2","2","1") = "5"
    & skf21("6","1","2","2","2","2","3","1") = "5"
    & skf21("6","1","2","2","2","2","4","1") = "5"
    & skf21("6","1","2","2","2","2","5","1") = "5"
    & skf21("6","1","2","2","2","2","6","1") = "5"
    & skf21("6","1","2","2","2","2","7","1") = "6"
    & skf21("6","1","2","2","2","3","1","1") = "5"
    & skf21("6","1","2","2","2","3","2","1") = "5"
    & skf21("6","1","2","2","2","3","3","1") = "5"
    & skf21("6","1","2","2","2","3","4","1") = "5"
    & skf21("6","1","2","2","2","3","5","1") = "5"
    & skf21("6","1","2","2","2","3","6","1") = "5"
    & skf21("6","1","2","2","2","3","7","1") = "6"
    & skf21("6","1","2","2","2","4","1","1") = "5"
    & skf21("6","1","2","2","2","4","2","1") = "5"
    & skf21("6","1","2","2","2","4","3","1") = "5"
    & skf21("6","1","2","2","2","4","4","1") = "5"
    & skf21("6","1","2","2","2","4","5","1") = "5"
    & skf21("6","1","2","2","2","4","6","1") = "5"
    & skf21("6","1","2","2","2","4","7","1") = "6"
    & skf21("6","1","2","2","2","5","1","1") = "5"
    & skf21("6","1","2","2","2","5","2","1") = "5"
    & skf21("6","1","2","2","2","5","3","1") = "5"
    & skf21("6","1","2","2","2","5","4","1") = "5"
    & skf21("6","1","2","2","2","5","5","1") = "5"
    & skf21("6","1","2","2","2","5","6","1") = "5"
    & skf21("6","1","2","2","2","5","7","1") = "6"
    & skf21("6","1","2","2","2","6","1","1") = "5"
    & skf21("6","1","2","2","2","6","2","1") = "5"
    & skf21("6","1","2","2","2","6","3","1") = "5"
    & skf21("6","1","2","2","2","6","4","1") = "5"
    & skf21("6","1","2","2","2","6","5","1") = "5"
    & skf21("6","1","2","2","2","6","6","1") = "5"
    & skf21("6","1","2","2","2","6","7","1") = "6"
    & skf21("6","1","2","2","2","7","1","1") = "6"
    & skf21("6","1","2","2","2","7","2","1") = "6"
    & skf21("6","1","2","2","2","7","3","1") = "6"
    & skf21("6","1","2","2","2","7","4","1") = "6"
    & skf21("6","1","2","2","2","7","5","1") = "6"
    & skf21("6","1","2","2","2","7","6","1") = "6"
    & skf21("6","1","2","2","2","7","7","1") = "6"
    & skf21("6","1","2","2","3","1","1","1") = "5"
    & skf21("6","1","2","2","3","1","2","1") = "5"
    & skf21("6","1","2","2","3","1","3","1") = "5"
    & skf21("6","1","2","2","3","1","4","1") = "5"
    & skf21("6","1","2","2","3","1","5","1") = "5"
    & skf21("6","1","2","2","3","1","6","1") = "5"
    & skf21("6","1","2","2","3","1","7","1") = "6"
    & skf21("6","1","2","2","3","2","1","1") = "5"
    & skf21("6","1","2","2","3","2","2","1") = "5"
    & skf21("6","1","2","2","3","2","3","1") = "5"
    & skf21("6","1","2","2","3","2","4","1") = "5"
    & skf21("6","1","2","2","3","2","5","1") = "5"
    & skf21("6","1","2","2","3","2","6","1") = "5"
    & skf21("6","1","2","2","3","2","7","1") = "6"
    & skf21("6","1","2","2","3","3","1","1") = "5"
    & skf21("6","1","2","2","3","3","2","1") = "5"
    & skf21("6","1","2","2","3","3","3","1") = "5"
    & skf21("6","1","2","2","3","3","4","1") = "5"
    & skf21("6","1","2","2","3","3","5","1") = "5"
    & skf21("6","1","2","2","3","3","6","1") = "5"
    & skf21("6","1","2","2","3","3","7","1") = "6"
    & skf21("6","1","2","2","3","4","1","1") = "5"
    & skf21("6","1","2","2","3","4","2","1") = "5"
    & skf21("6","1","2","2","3","4","3","1") = "5"
    & skf21("6","1","2","2","3","4","4","1") = "5"
    & skf21("6","1","2","2","3","4","5","1") = "5"
    & skf21("6","1","2","2","3","4","6","1") = "5"
    & skf21("6","1","2","2","3","4","7","1") = "6"
    & skf21("6","1","2","2","3","5","1","1") = "5"
    & skf21("6","1","2","2","3","5","2","1") = "5"
    & skf21("6","1","2","2","3","5","3","1") = "5"
    & skf21("6","1","2","2","3","5","4","1") = "5"
    & skf21("6","1","2","2","3","5","5","1") = "5"
    & skf21("6","1","2","2","3","5","6","1") = "5"
    & skf21("6","1","2","2","3","5","7","1") = "6"
    & skf21("6","1","2","2","3","6","1","1") = "5"
    & skf21("6","1","2","2","3","6","2","1") = "5"
    & skf21("6","1","2","2","3","6","3","1") = "5"
    & skf21("6","1","2","2","3","6","4","1") = "5"
    & skf21("6","1","2","2","3","6","5","1") = "5"
    & skf21("6","1","2","2","3","6","6","1") = "5"
    & skf21("6","1","2","2","3","6","7","1") = "6"
    & skf21("6","1","2","2","3","7","1","1") = "6"
    & skf21("6","1","2","2","3","7","2","1") = "6"
    & skf21("6","1","2","2","3","7","3","1") = "6"
    & skf21("6","1","2","2","3","7","4","1") = "6"
    & skf21("6","1","2","2","3","7","5","1") = "6"
    & skf21("6","1","2","2","3","7","6","1") = "6"
    & skf21("6","1","2","2","3","7","7","1") = "6"
    & skf21("6","1","2","2","4","1","1","1") = "5"
    & skf21("6","1","2","2","4","1","2","1") = "5"
    & skf21("6","1","2","2","4","1","3","1") = "5"
    & skf21("6","1","2","2","4","1","4","1") = "5"
    & skf21("6","1","2","2","4","1","5","1") = "5"
    & skf21("6","1","2","2","4","1","6","1") = "5"
    & skf21("6","1","2","2","4","1","7","1") = "6"
    & skf21("6","1","2","2","4","2","1","1") = "5"
    & skf21("6","1","2","2","4","2","2","1") = "5"
    & skf21("6","1","2","2","4","2","3","1") = "5"
    & skf21("6","1","2","2","4","2","4","1") = "5"
    & skf21("6","1","2","2","4","2","5","1") = "5"
    & skf21("6","1","2","2","4","2","6","1") = "5"
    & skf21("6","1","2","2","4","2","7","1") = "6"
    & skf21("6","1","2","2","4","3","1","1") = "5"
    & skf21("6","1","2","2","4","3","2","1") = "5"
    & skf21("6","1","2","2","4","3","3","1") = "5"
    & skf21("6","1","2","2","4","3","4","1") = "5"
    & skf21("6","1","2","2","4","3","5","1") = "5"
    & skf21("6","1","2","2","4","3","6","1") = "5"
    & skf21("6","1","2","2","4","3","7","1") = "6"
    & skf21("6","1","2","2","4","4","1","1") = "5"
    & skf21("6","1","2","2","4","4","2","1") = "5"
    & skf21("6","1","2","2","4","4","3","1") = "5"
    & skf21("6","1","2","2","4","4","4","1") = "5"
    & skf21("6","1","2","2","4","4","5","1") = "5"
    & skf21("6","1","2","2","4","4","6","1") = "5"
    & skf21("6","1","2","2","4","4","7","1") = "6"
    & skf21("6","1","2","2","4","5","1","1") = "5"
    & skf21("6","1","2","2","4","5","2","1") = "5"
    & skf21("6","1","2","2","4","5","3","1") = "5"
    & skf21("6","1","2","2","4","5","4","1") = "5"
    & skf21("6","1","2","2","4","5","5","1") = "5"
    & skf21("6","1","2","2","4","5","6","1") = "5"
    & skf21("6","1","2","2","4","5","7","1") = "6"
    & skf21("6","1","2","2","4","6","1","1") = "5"
    & skf21("6","1","2","2","4","6","2","1") = "5"
    & skf21("6","1","2","2","4","6","3","1") = "5"
    & skf21("6","1","2","2","4","6","4","1") = "5"
    & skf21("6","1","2","2","4","6","5","1") = "5"
    & skf21("6","1","2","2","4","6","6","1") = "5"
    & skf21("6","1","2","2","4","6","7","1") = "6"
    & skf21("6","1","2","2","4","7","1","1") = "6"
    & skf21("6","1","2","2","4","7","2","1") = "6"
    & skf21("6","1","2","2","4","7","3","1") = "6"
    & skf21("6","1","2","2","4","7","4","1") = "6"
    & skf21("6","1","2","2","4","7","5","1") = "6"
    & skf21("6","1","2","2","4","7","6","1") = "6"
    & skf21("6","1","2","2","4","7","7","1") = "6"
    & skf21("6","1","2","2","5","1","1","1") = "5"
    & skf21("6","1","2","2","5","1","2","1") = "5"
    & skf21("6","1","2","2","5","1","3","1") = "5"
    & skf21("6","1","2","2","5","1","4","1") = "5"
    & skf21("6","1","2","2","5","1","5","1") = "5"
    & skf21("6","1","2","2","5","1","6","1") = "5"
    & skf21("6","1","2","2","5","1","7","1") = "6"
    & skf21("6","1","2","2","5","2","1","1") = "5"
    & skf21("6","1","2","2","5","2","2","1") = "5"
    & skf21("6","1","2","2","5","2","3","1") = "5"
    & skf21("6","1","2","2","5","2","4","1") = "5"
    & skf21("6","1","2","2","5","2","5","1") = "5"
    & skf21("6","1","2","2","5","2","6","1") = "5"
    & skf21("6","1","2","2","5","2","7","1") = "6"
    & skf21("6","1","2","2","5","3","1","1") = "5"
    & skf21("6","1","2","2","5","3","2","1") = "5"
    & skf21("6","1","2","2","5","3","3","1") = "5"
    & skf21("6","1","2","2","5","3","4","1") = "5"
    & skf21("6","1","2","2","5","3","5","1") = "5"
    & skf21("6","1","2","2","5","3","6","1") = "5"
    & skf21("6","1","2","2","5","3","7","1") = "6"
    & skf21("6","1","2","2","5","4","1","1") = "5"
    & skf21("6","1","2","2","5","4","2","1") = "5"
    & skf21("6","1","2","2","5","4","3","1") = "5"
    & skf21("6","1","2","2","5","4","4","1") = "5"
    & skf21("6","1","2","2","5","4","5","1") = "5"
    & skf21("6","1","2","2","5","4","6","1") = "5"
    & skf21("6","1","2","2","5","4","7","1") = "6"
    & skf21("6","1","2","2","5","5","1","1") = "5"
    & skf21("6","1","2","2","5","5","2","1") = "5"
    & skf21("6","1","2","2","5","5","3","1") = "5"
    & skf21("6","1","2","2","5","5","4","1") = "5"
    & skf21("6","1","2","2","5","5","5","1") = "5"
    & skf21("6","1","2","2","5","5","6","1") = "5"
    & skf21("6","1","2","2","5","5","7","1") = "6"
    & skf21("6","1","2","2","5","6","1","1") = "5"
    & skf21("6","1","2","2","5","6","2","1") = "5"
    & skf21("6","1","2","2","5","6","3","1") = "5"
    & skf21("6","1","2","2","5","6","4","1") = "5"
    & skf21("6","1","2","2","5","6","5","1") = "5"
    & skf21("6","1","2","2","5","6","6","1") = "5"
    & skf21("6","1","2","2","5","6","7","1") = "6"
    & skf21("6","1","2","2","5","7","1","1") = "6"
    & skf21("6","1","2","2","5","7","2","1") = "6"
    & skf21("6","1","2","2","5","7","3","1") = "6"
    & skf21("6","1","2","2","5","7","4","1") = "6"
    & skf21("6","1","2","2","5","7","5","1") = "6"
    & skf21("6","1","2","2","5","7","6","1") = "6"
    & skf21("6","1","2","2","5","7","7","1") = "6"
    & skf21("6","1","2","2","6","1","1","1") = "5"
    & skf21("6","1","2","2","6","1","2","1") = "5"
    & skf21("6","1","2","2","6","1","3","1") = "5"
    & skf21("6","1","2","2","6","1","4","1") = "5"
    & skf21("6","1","2","2","6","1","5","1") = "5"
    & skf21("6","1","2","2","6","1","6","1") = "5"
    & skf21("6","1","2","2","6","1","7","1") = "6"
    & skf21("6","1","2","2","6","2","1","1") = "5"
    & skf21("6","1","2","2","6","2","2","1") = "5"
    & skf21("6","1","2","2","6","2","3","1") = "5"
    & skf21("6","1","2","2","6","2","4","1") = "5"
    & skf21("6","1","2","2","6","2","5","1") = "5"
    & skf21("6","1","2","2","6","2","6","1") = "5"
    & skf21("6","1","2","2","6","2","7","1") = "6"
    & skf21("6","1","2","2","6","3","1","1") = "5"
    & skf21("6","1","2","2","6","3","2","1") = "5"
    & skf21("6","1","2","2","6","3","3","1") = "5"
    & skf21("6","1","2","2","6","3","4","1") = "5"
    & skf21("6","1","2","2","6","3","5","1") = "5"
    & skf21("6","1","2","2","6","3","6","1") = "5"
    & skf21("6","1","2","2","6","3","7","1") = "6"
    & skf21("6","1","2","2","6","4","1","1") = "5"
    & skf21("6","1","2","2","6","4","2","1") = "5"
    & skf21("6","1","2","2","6","4","3","1") = "5"
    & skf21("6","1","2","2","6","4","4","1") = "5"
    & skf21("6","1","2","2","6","4","5","1") = "5"
    & skf21("6","1","2","2","6","4","6","1") = "5"
    & skf21("6","1","2","2","6","4","7","1") = "6"
    & skf21("6","1","2","2","6","5","1","1") = "5"
    & skf21("6","1","2","2","6","5","2","1") = "5"
    & skf21("6","1","2","2","6","5","3","1") = "5"
    & skf21("6","1","2","2","6","5","4","1") = "5"
    & skf21("6","1","2","2","6","5","5","1") = "5"
    & skf21("6","1","2","2","6","5","6","1") = "5"
    & skf21("6","1","2","2","6","5","7","1") = "6"
    & skf21("6","1","2","2","6","6","1","1") = "5"
    & skf21("6","1","2","2","6","6","2","1") = "5"
    & skf21("6","1","2","2","6","6","3","1") = "5"
    & skf21("6","1","2","2","6","6","4","1") = "5"
    & skf21("6","1","2","2","6","6","5","1") = "5"
    & skf21("6","1","2","2","6","6","6","1") = "5"
    & skf21("6","1","2","2","6","6","7","1") = "6"
    & skf21("6","1","2","2","6","7","1","1") = "6"
    & skf21("6","1","2","2","6","7","2","1") = "6"
    & skf21("6","1","2","2","6","7","3","1") = "6"
    & skf21("6","1","2","2","6","7","4","1") = "6"
    & skf21("6","1","2","2","6","7","5","1") = "6"
    & skf21("6","1","2","2","6","7","6","1") = "6"
    & skf21("6","1","2","2","6","7","7","1") = "6"
    & skf21("6","1","2","2","7","1","1","1") = "6"
    & skf21("6","1","2","2","7","1","2","1") = "6"
    & skf21("6","1","2","2","7","1","3","1") = "6"
    & skf21("6","1","2","2","7","1","4","1") = "6"
    & skf21("6","1","2","2","7","1","5","1") = "6"
    & skf21("6","1","2","2","7","1","6","1") = "6"
    & skf21("6","1","2","2","7","1","7","1") = "6"
    & skf21("6","1","2","2","7","2","1","1") = "6"
    & skf21("6","1","2","2","7","2","2","1") = "6"
    & skf21("6","1","2","2","7","2","3","1") = "6"
    & skf21("6","1","2","2","7","2","4","1") = "6"
    & skf21("6","1","2","2","7","2","5","1") = "6"
    & skf21("6","1","2","2","7","2","6","1") = "6"
    & skf21("6","1","2","2","7","2","7","1") = "6"
    & skf21("6","1","2","2","7","3","1","1") = "6"
    & skf21("6","1","2","2","7","3","2","1") = "6"
    & skf21("6","1","2","2","7","3","3","1") = "6"
    & skf21("6","1","2","2","7","3","4","1") = "6"
    & skf21("6","1","2","2","7","3","5","1") = "6"
    & skf21("6","1","2","2","7","3","6","1") = "6"
    & skf21("6","1","2","2","7","3","7","1") = "6"
    & skf21("6","1","2","2","7","4","1","1") = "6"
    & skf21("6","1","2","2","7","4","2","1") = "6"
    & skf21("6","1","2","2","7","4","3","1") = "6"
    & skf21("6","1","2","2","7","4","4","1") = "6"
    & skf21("6","1","2","2","7","4","5","1") = "6"
    & skf21("6","1","2","2","7","4","6","1") = "6"
    & skf21("6","1","2","2","7","4","7","1") = "6"
    & skf21("6","1","2","2","7","5","1","1") = "6"
    & skf21("6","1","2","2","7","5","2","1") = "6"
    & skf21("6","1","2","2","7","5","3","1") = "6"
    & skf21("6","1","2","2","7","5","4","1") = "6"
    & skf21("6","1","2","2","7","5","5","1") = "6"
    & skf21("6","1","2","2","7","5","6","1") = "6"
    & skf21("6","1","2","2","7","5","7","1") = "6"
    & skf21("6","1","2","2","7","6","1","1") = "6"
    & skf21("6","1","2","2","7","6","2","1") = "6"
    & skf21("6","1","2","2","7","6","3","1") = "6"
    & skf21("6","1","2","2","7","6","4","1") = "6"
    & skf21("6","1","2","2","7","6","5","1") = "6"
    & skf21("6","1","2","2","7","6","6","1") = "6"
    & skf21("6","1","2","2","7","6","7","1") = "6"
    & skf21("6","1","2","2","7","7","1","1") = "6"
    & skf21("6","1","2","2","7","7","2","1") = "6"
    & skf21("6","1","2","2","7","7","3","1") = "6"
    & skf21("6","1","2","2","7","7","4","1") = "6"
    & skf21("6","1","2","2","7","7","5","1") = "6"
    & skf21("6","1","2","2","7","7","6","1") = "6"
    & skf21("6","1","2","2","7","7","7","1") = "6"
    & skf21("6","1","2","3","1","1","1","1") = "5"
    & skf21("6","1","2","3","1","1","2","1") = "5"
    & skf21("6","1","2","3","1","1","3","1") = "5"
    & skf21("6","1","2","3","1","1","4","1") = "5"
    & skf21("6","1","2","3","1","1","5","1") = "5"
    & skf21("6","1","2","3","1","1","6","1") = "5"
    & skf21("6","1","2","3","1","1","7","1") = "6"
    & skf21("6","1","2","3","1","2","1","1") = "5"
    & skf21("6","1","2","3","1","2","2","1") = "5"
    & skf21("6","1","2","3","1","2","3","1") = "5"
    & skf21("6","1","2","3","1","2","4","1") = "5"
    & skf21("6","1","2","3","1","2","5","1") = "5"
    & skf21("6","1","2","3","1","2","6","1") = "5"
    & skf21("6","1","2","3","1","2","7","1") = "6"
    & skf21("6","1","2","3","1","3","1","1") = "5"
    & skf21("6","1","2","3","1","3","2","1") = "5"
    & skf21("6","1","2","3","1","3","3","1") = "5"
    & skf21("6","1","2","3","1","3","4","1") = "5"
    & skf21("6","1","2","3","1","3","5","1") = "5"
    & skf21("6","1","2","3","1","3","6","1") = "5"
    & skf21("6","1","2","3","1","3","7","1") = "6"
    & skf21("6","1","2","3","1","4","1","1") = "5"
    & skf21("6","1","2","3","1","4","2","1") = "5"
    & skf21("6","1","2","3","1","4","3","1") = "5"
    & skf21("6","1","2","3","1","4","4","1") = "5"
    & skf21("6","1","2","3","1","4","5","1") = "5"
    & skf21("6","1","2","3","1","4","6","1") = "5"
    & skf21("6","1","2","3","1","4","7","1") = "6"
    & skf21("6","1","2","3","1","5","1","1") = "5"
    & skf21("6","1","2","3","1","5","2","1") = "5"
    & skf21("6","1","2","3","1","5","3","1") = "5"
    & skf21("6","1","2","3","1","5","4","1") = "5"
    & skf21("6","1","2","3","1","5","5","1") = "5"
    & skf21("6","1","2","3","1","5","6","1") = "5"
    & skf21("6","1","2","3","1","5","7","1") = "6"
    & skf21("6","1","2","3","1","6","1","1") = "5"
    & skf21("6","1","2","3","1","6","2","1") = "5"
    & skf21("6","1","2","3","1","6","3","1") = "5"
    & skf21("6","1","2","3","1","6","4","1") = "5"
    & skf21("6","1","2","3","1","6","5","1") = "5"
    & skf21("6","1","2","3","1","6","6","1") = "5"
    & skf21("6","1","2","3","1","6","7","1") = "6"
    & skf21("6","1","2","3","1","7","1","1") = "6"
    & skf21("6","1","2","3","1","7","2","1") = "6"
    & skf21("6","1","2","3","1","7","3","1") = "6"
    & skf21("6","1","2","3","1","7","4","1") = "6"
    & skf21("6","1","2","3","1","7","5","1") = "6"
    & skf21("6","1","2","3","1","7","6","1") = "6"
    & skf21("6","1","2","3","1","7","7","1") = "6"
    & skf21("6","1","2","3","2","1","1","1") = "5"
    & skf21("6","1","2","3","2","1","2","1") = "5"
    & skf21("6","1","2","3","2","1","3","1") = "5"
    & skf21("6","1","2","3","2","1","4","1") = "5"
    & skf21("6","1","2","3","2","1","5","1") = "5"
    & skf21("6","1","2","3","2","1","6","1") = "5"
    & skf21("6","1","2","3","2","1","7","1") = "6"
    & skf21("6","1","2","3","2","2","1","1") = "5"
    & skf21("6","1","2","3","2","2","2","1") = "5"
    & skf21("6","1","2","3","2","2","3","1") = "5"
    & skf21("6","1","2","3","2","2","4","1") = "5"
    & skf21("6","1","2","3","2","2","5","1") = "5"
    & skf21("6","1","2","3","2","2","6","1") = "5"
    & skf21("6","1","2","3","2","2","7","1") = "6"
    & skf21("6","1","2","3","2","3","1","1") = "5"
    & skf21("6","1","2","3","2","3","2","1") = "5"
    & skf21("6","1","2","3","2","3","3","1") = "5"
    & skf21("6","1","2","3","2","3","4","1") = "5"
    & skf21("6","1","2","3","2","3","5","1") = "5"
    & skf21("6","1","2","3","2","3","6","1") = "5"
    & skf21("6","1","2","3","2","3","7","1") = "6"
    & skf21("6","1","2","3","2","4","1","1") = "5"
    & skf21("6","1","2","3","2","4","2","1") = "5"
    & skf21("6","1","2","3","2","4","3","1") = "5"
    & skf21("6","1","2","3","2","4","4","1") = "5"
    & skf21("6","1","2","3","2","4","5","1") = "5"
    & skf21("6","1","2","3","2","4","6","1") = "5"
    & skf21("6","1","2","3","2","4","7","1") = "6"
    & skf21("6","1","2","3","2","5","1","1") = "5"
    & skf21("6","1","2","3","2","5","2","1") = "5"
    & skf21("6","1","2","3","2","5","3","1") = "5"
    & skf21("6","1","2","3","2","5","4","1") = "5"
    & skf21("6","1","2","3","2","5","5","1") = "5"
    & skf21("6","1","2","3","2","5","6","1") = "5"
    & skf21("6","1","2","3","2","5","7","1") = "6"
    & skf21("6","1","2","3","2","6","1","1") = "5"
    & skf21("6","1","2","3","2","6","2","1") = "5"
    & skf21("6","1","2","3","2","6","3","1") = "5"
    & skf21("6","1","2","3","2","6","4","1") = "5"
    & skf21("6","1","2","3","2","6","5","1") = "5"
    & skf21("6","1","2","3","2","6","6","1") = "5"
    & skf21("6","1","2","3","2","6","7","1") = "6"
    & skf21("6","1","2","3","2","7","1","1") = "6"
    & skf21("6","1","2","3","2","7","2","1") = "6"
    & skf21("6","1","2","3","2","7","3","1") = "6"
    & skf21("6","1","2","3","2","7","4","1") = "6"
    & skf21("6","1","2","3","2","7","5","1") = "6"
    & skf21("6","1","2","3","2","7","6","1") = "6"
    & skf21("6","1","2","3","2","7","7","1") = "6"
    & skf21("6","1","2","3","3","1","1","1") = "5"
    & skf21("6","1","2","3","3","1","2","1") = "5"
    & skf21("6","1","2","3","3","1","3","1") = "5"
    & skf21("6","1","2","3","3","1","4","1") = "5"
    & skf21("6","1","2","3","3","1","5","1") = "5"
    & skf21("6","1","2","3","3","1","6","1") = "5"
    & skf21("6","1","2","3","3","1","7","1") = "6"
    & skf21("6","1","2","3","3","2","1","1") = "5"
    & skf21("6","1","2","3","3","2","2","1") = "5"
    & skf21("6","1","2","3","3","2","3","1") = "5"
    & skf21("6","1","2","3","3","2","4","1") = "5"
    & skf21("6","1","2","3","3","2","5","1") = "5"
    & skf21("6","1","2","3","3","2","6","1") = "5"
    & skf21("6","1","2","3","3","2","7","1") = "6"
    & skf21("6","1","2","3","3","3","1","1") = "5"
    & skf21("6","1","2","3","3","3","2","1") = "5"
    & skf21("6","1","2","3","3","3","3","1") = "5"
    & skf21("6","1","2","3","3","3","4","1") = "5"
    & skf21("6","1","2","3","3","3","5","1") = "5"
    & skf21("6","1","2","3","3","3","6","1") = "5"
    & skf21("6","1","2","3","3","3","7","1") = "6"
    & skf21("6","1","2","3","3","4","1","1") = "5"
    & skf21("6","1","2","3","3","4","2","1") = "5"
    & skf21("6","1","2","3","3","4","3","1") = "5"
    & skf21("6","1","2","3","3","4","4","1") = "5"
    & skf21("6","1","2","3","3","4","5","1") = "5"
    & skf21("6","1","2","3","3","4","6","1") = "5"
    & skf21("6","1","2","3","3","4","7","1") = "6"
    & skf21("6","1","2","3","3","5","1","1") = "5"
    & skf21("6","1","2","3","3","5","2","1") = "5"
    & skf21("6","1","2","3","3","5","3","1") = "5"
    & skf21("6","1","2","3","3","5","4","1") = "5"
    & skf21("6","1","2","3","3","5","5","1") = "5"
    & skf21("6","1","2","3","3","5","6","1") = "5"
    & skf21("6","1","2","3","3","5","7","1") = "6"
    & skf21("6","1","2","3","3","6","1","1") = "5"
    & skf21("6","1","2","3","3","6","2","1") = "5"
    & skf21("6","1","2","3","3","6","3","1") = "5"
    & skf21("6","1","2","3","3","6","4","1") = "5"
    & skf21("6","1","2","3","3","6","5","1") = "5"
    & skf21("6","1","2","3","3","6","6","1") = "5"
    & skf21("6","1","2","3","3","6","7","1") = "6"
    & skf21("6","1","2","3","3","7","1","1") = "6"
    & skf21("6","1","2","3","3","7","2","1") = "6"
    & skf21("6","1","2","3","3","7","3","1") = "6"
    & skf21("6","1","2","3","3","7","4","1") = "6"
    & skf21("6","1","2","3","3","7","5","1") = "6"
    & skf21("6","1","2","3","3","7","6","1") = "6"
    & skf21("6","1","2","3","3","7","7","1") = "6"
    & skf21("6","1","2","3","4","1","1","1") = "5"
    & skf21("6","1","2","3","4","1","2","1") = "5"
    & skf21("6","1","2","3","4","1","3","1") = "5"
    & skf21("6","1","2","3","4","1","4","1") = "5"
    & skf21("6","1","2","3","4","1","5","1") = "5"
    & skf21("6","1","2","3","4","1","6","1") = "5"
    & skf21("6","1","2","3","4","1","7","1") = "6"
    & skf21("6","1","2","3","4","2","1","1") = "5"
    & skf21("6","1","2","3","4","2","2","1") = "5"
    & skf21("6","1","2","3","4","2","3","1") = "5"
    & skf21("6","1","2","3","4","2","4","1") = "5"
    & skf21("6","1","2","3","4","2","5","1") = "5"
    & skf21("6","1","2","3","4","2","6","1") = "5"
    & skf21("6","1","2","3","4","2","7","1") = "6"
    & skf21("6","1","2","3","4","3","1","1") = "5"
    & skf21("6","1","2","3","4","3","2","1") = "5"
    & skf21("6","1","2","3","4","3","3","1") = "5"
    & skf21("6","1","2","3","4","3","4","1") = "5"
    & skf21("6","1","2","3","4","3","5","1") = "5"
    & skf21("6","1","2","3","4","3","6","1") = "5"
    & skf21("6","1","2","3","4","3","7","1") = "6"
    & skf21("6","1","2","3","4","4","1","1") = "5"
    & skf21("6","1","2","3","4","4","2","1") = "5"
    & skf21("6","1","2","3","4","4","3","1") = "5"
    & skf21("6","1","2","3","4","4","4","1") = "5"
    & skf21("6","1","2","3","4","4","5","1") = "5"
    & skf21("6","1","2","3","4","4","6","1") = "5"
    & skf21("6","1","2","3","4","4","7","1") = "6"
    & skf21("6","1","2","3","4","5","1","1") = "5"
    & skf21("6","1","2","3","4","5","2","1") = "5"
    & skf21("6","1","2","3","4","5","3","1") = "5"
    & skf21("6","1","2","3","4","5","4","1") = "5"
    & skf21("6","1","2","3","4","5","5","1") = "5"
    & skf21("6","1","2","3","4","5","6","1") = "5"
    & skf21("6","1","2","3","4","5","7","1") = "6"
    & skf21("6","1","2","3","4","6","1","1") = "5"
    & skf21("6","1","2","3","4","6","2","1") = "5"
    & skf21("6","1","2","3","4","6","3","1") = "5"
    & skf21("6","1","2","3","4","6","4","1") = "5"
    & skf21("6","1","2","3","4","6","5","1") = "5"
    & skf21("6","1","2","3","4","6","6","1") = "5"
    & skf21("6","1","2","3","4","6","7","1") = "6"
    & skf21("6","1","2","3","4","7","1","1") = "6"
    & skf21("6","1","2","3","4","7","2","1") = "6"
    & skf21("6","1","2","3","4","7","3","1") = "6"
    & skf21("6","1","2","3","4","7","4","1") = "6"
    & skf21("6","1","2","3","4","7","5","1") = "6"
    & skf21("6","1","2","3","4","7","6","1") = "6"
    & skf21("6","1","2","3","4","7","7","1") = "6"
    & skf21("6","1","2","3","5","1","1","1") = "5"
    & skf21("6","1","2","3","5","1","2","1") = "5"
    & skf21("6","1","2","3","5","1","3","1") = "5"
    & skf21("6","1","2","3","5","1","4","1") = "5"
    & skf21("6","1","2","3","5","1","5","1") = "5"
    & skf21("6","1","2","3","5","1","6","1") = "5"
    & skf21("6","1","2","3","5","1","7","1") = "6"
    & skf21("6","1","2","3","5","2","1","1") = "5"
    & skf21("6","1","2","3","5","2","2","1") = "5"
    & skf21("6","1","2","3","5","2","3","1") = "5"
    & skf21("6","1","2","3","5","2","4","1") = "5"
    & skf21("6","1","2","3","5","2","5","1") = "5"
    & skf21("6","1","2","3","5","2","6","1") = "5"
    & skf21("6","1","2","3","5","2","7","1") = "6"
    & skf21("6","1","2","3","5","3","1","1") = "5"
    & skf21("6","1","2","3","5","3","2","1") = "5"
    & skf21("6","1","2","3","5","3","3","1") = "5"
    & skf21("6","1","2","3","5","3","4","1") = "5"
    & skf21("6","1","2","3","5","3","5","1") = "5"
    & skf21("6","1","2","3","5","3","6","1") = "5"
    & skf21("6","1","2","3","5","3","7","1") = "6"
    & skf21("6","1","2","3","5","4","1","1") = "5"
    & skf21("6","1","2","3","5","4","2","1") = "5"
    & skf21("6","1","2","3","5","4","3","1") = "5"
    & skf21("6","1","2","3","5","4","4","1") = "5"
    & skf21("6","1","2","3","5","4","5","1") = "5"
    & skf21("6","1","2","3","5","4","6","1") = "5"
    & skf21("6","1","2","3","5","4","7","1") = "6"
    & skf21("6","1","2","3","5","5","1","1") = "5"
    & skf21("6","1","2","3","5","5","2","1") = "5"
    & skf21("6","1","2","3","5","5","3","1") = "5"
    & skf21("6","1","2","3","5","5","4","1") = "5"
    & skf21("6","1","2","3","5","5","5","1") = "5"
    & skf21("6","1","2","3","5","5","6","1") = "5"
    & skf21("6","1","2","3","5","5","7","1") = "6"
    & skf21("6","1","2","3","5","6","1","1") = "5"
    & skf21("6","1","2","3","5","6","2","1") = "5"
    & skf21("6","1","2","3","5","6","3","1") = "5"
    & skf21("6","1","2","3","5","6","4","1") = "5"
    & skf21("6","1","2","3","5","6","5","1") = "5"
    & skf21("6","1","2","3","5","6","6","1") = "5"
    & skf21("6","1","2","3","5","6","7","1") = "6"
    & skf21("6","1","2","3","5","7","1","1") = "6"
    & skf21("6","1","2","3","5","7","2","1") = "6"
    & skf21("6","1","2","3","5","7","3","1") = "6"
    & skf21("6","1","2","3","5","7","4","1") = "6"
    & skf21("6","1","2","3","5","7","5","1") = "6"
    & skf21("6","1","2","3","5","7","6","1") = "6"
    & skf21("6","1","2","3","5","7","7","1") = "6"
    & skf21("6","1","2","3","6","1","1","1") = "5"
    & skf21("6","1","2","3","6","1","2","1") = "5"
    & skf21("6","1","2","3","6","1","3","1") = "5"
    & skf21("6","1","2","3","6","1","4","1") = "5"
    & skf21("6","1","2","3","6","1","5","1") = "5"
    & skf21("6","1","2","3","6","1","6","1") = "5"
    & skf21("6","1","2","3","6","1","7","1") = "6"
    & skf21("6","1","2","3","6","2","1","1") = "5"
    & skf21("6","1","2","3","6","2","2","1") = "5"
    & skf21("6","1","2","3","6","2","3","1") = "5"
    & skf21("6","1","2","3","6","2","4","1") = "5"
    & skf21("6","1","2","3","6","2","5","1") = "5"
    & skf21("6","1","2","3","6","2","6","1") = "5"
    & skf21("6","1","2","3","6","2","7","1") = "6"
    & skf21("6","1","2","3","6","3","1","1") = "5"
    & skf21("6","1","2","3","6","3","2","1") = "5"
    & skf21("6","1","2","3","6","3","3","1") = "5"
    & skf21("6","1","2","3","6","3","4","1") = "5"
    & skf21("6","1","2","3","6","3","5","1") = "5"
    & skf21("6","1","2","3","6","3","6","1") = "5"
    & skf21("6","1","2","3","6","3","7","1") = "6"
    & skf21("6","1","2","3","6","4","1","1") = "5"
    & skf21("6","1","2","3","6","4","2","1") = "5"
    & skf21("6","1","2","3","6","4","3","1") = "5"
    & skf21("6","1","2","3","6","4","4","1") = "5"
    & skf21("6","1","2","3","6","4","5","1") = "5"
    & skf21("6","1","2","3","6","4","6","1") = "5"
    & skf21("6","1","2","3","6","4","7","1") = "6"
    & skf21("6","1","2","3","6","5","1","1") = "5"
    & skf21("6","1","2","3","6","5","2","1") = "5"
    & skf21("6","1","2","3","6","5","3","1") = "5"
    & skf21("6","1","2","3","6","5","4","1") = "5"
    & skf21("6","1","2","3","6","5","5","1") = "5"
    & skf21("6","1","2","3","6","5","6","1") = "5"
    & skf21("6","1","2","3","6","5","7","1") = "6"
    & skf21("6","1","2","3","6","6","1","1") = "5"
    & skf21("6","1","2","3","6","6","2","1") = "5"
    & skf21("6","1","2","3","6","6","3","1") = "5"
    & skf21("6","1","2","3","6","6","4","1") = "5"
    & skf21("6","1","2","3","6","6","5","1") = "5"
    & skf21("6","1","2","3","6","6","6","1") = "5"
    & skf21("6","1","2","3","6","6","7","1") = "6"
    & skf21("6","1","2","3","6","7","1","1") = "6"
    & skf21("6","1","2","3","6","7","2","1") = "6"
    & skf21("6","1","2","3","6","7","3","1") = "6"
    & skf21("6","1","2","3","6","7","4","1") = "6"
    & skf21("6","1","2","3","6","7","5","1") = "6"
    & skf21("6","1","2","3","6","7","6","1") = "6"
    & skf21("6","1","2","3","6","7","7","1") = "6"
    & skf21("6","1","2","3","7","1","1","1") = "6"
    & skf21("6","1","2","3","7","1","2","1") = "6"
    & skf21("6","1","2","3","7","1","3","1") = "6"
    & skf21("6","1","2","3","7","1","4","1") = "6"
    & skf21("6","1","2","3","7","1","5","1") = "6"
    & skf21("6","1","2","3","7","1","6","1") = "6"
    & skf21("6","1","2","3","7","1","7","1") = "6"
    & skf21("6","1","2","3","7","2","1","1") = "6"
    & skf21("6","1","2","3","7","2","2","1") = "6"
    & skf21("6","1","2","3","7","2","3","1") = "6"
    & skf21("6","1","2","3","7","2","4","1") = "6"
    & skf21("6","1","2","3","7","2","5","1") = "6"
    & skf21("6","1","2","3","7","2","6","1") = "6"
    & skf21("6","1","2","3","7","2","7","1") = "6"
    & skf21("6","1","2","3","7","3","1","1") = "6"
    & skf21("6","1","2","3","7","3","2","1") = "6"
    & skf21("6","1","2","3","7","3","3","1") = "6"
    & skf21("6","1","2","3","7","3","4","1") = "6"
    & skf21("6","1","2","3","7","3","5","1") = "6"
    & skf21("6","1","2","3","7","3","6","1") = "6"
    & skf21("6","1","2","3","7","3","7","1") = "6"
    & skf21("6","1","2","3","7","4","1","1") = "6"
    & skf21("6","1","2","3","7","4","2","1") = "6"
    & skf21("6","1","2","3","7","4","3","1") = "6"
    & skf21("6","1","2","3","7","4","4","1") = "6"
    & skf21("6","1","2","3","7","4","5","1") = "6"
    & skf21("6","1","2","3","7","4","6","1") = "6"
    & skf21("6","1","2","3","7","4","7","1") = "6"
    & skf21("6","1","2","3","7","5","1","1") = "6"
    & skf21("6","1","2","3","7","5","2","1") = "6"
    & skf21("6","1","2","3","7","5","3","1") = "6"
    & skf21("6","1","2","3","7","5","4","1") = "6"
    & skf21("6","1","2","3","7","5","5","1") = "6"
    & skf21("6","1","2","3","7","5","6","1") = "6"
    & skf21("6","1","2","3","7","5","7","1") = "6"
    & skf21("6","1","2","3","7","6","1","1") = "6"
    & skf21("6","1","2","3","7","6","2","1") = "6"
    & skf21("6","1","2","3","7","6","3","1") = "6"
    & skf21("6","1","2","3","7","6","4","1") = "6"
    & skf21("6","1","2","3","7","6","5","1") = "6"
    & skf21("6","1","2","3","7","6","6","1") = "6"
    & skf21("6","1","2","3","7","6","7","1") = "6"
    & skf21("6","1","2","3","7","7","1","1") = "6"
    & skf21("6","1","2","3","7","7","2","1") = "6"
    & skf21("6","1","2","3","7","7","3","1") = "6"
    & skf21("6","1","2","3","7","7","4","1") = "6"
    & skf21("6","1","2","3","7","7","5","1") = "6"
    & skf21("6","1","2","3","7","7","6","1") = "6"
    & skf21("6","1","2","3","7","7","7","1") = "6"
    & skf21("6","1","2","4","1","1","1","1") = "5"
    & skf21("6","1","2","4","1","1","2","1") = "5"
    & skf21("6","1","2","4","1","1","3","1") = "5"
    & skf21("6","1","2","4","1","1","4","1") = "5"
    & skf21("6","1","2","4","1","1","5","1") = "5"
    & skf21("6","1","2","4","1","1","6","1") = "5"
    & skf21("6","1","2","4","1","1","7","1") = "6"
    & skf21("6","1","2","4","1","2","1","1") = "5"
    & skf21("6","1","2","4","1","2","2","1") = "5"
    & skf21("6","1","2","4","1","2","3","1") = "5"
    & skf21("6","1","2","4","1","2","4","1") = "5"
    & skf21("6","1","2","4","1","2","5","1") = "5"
    & skf21("6","1","2","4","1","2","6","1") = "5"
    & skf21("6","1","2","4","1","2","7","1") = "6"
    & skf21("6","1","2","4","1","3","1","1") = "5"
    & skf21("6","1","2","4","1","3","2","1") = "5"
    & skf21("6","1","2","4","1","3","3","1") = "5"
    & skf21("6","1","2","4","1","3","4","1") = "5"
    & skf21("6","1","2","4","1","3","5","1") = "5"
    & skf21("6","1","2","4","1","3","6","1") = "5"
    & skf21("6","1","2","4","1","3","7","1") = "6"
    & skf21("6","1","2","4","1","4","1","1") = "5"
    & skf21("6","1","2","4","1","4","2","1") = "5"
    & skf21("6","1","2","4","1","4","3","1") = "5"
    & skf21("6","1","2","4","1","4","4","1") = "5"
    & skf21("6","1","2","4","1","4","5","1") = "5"
    & skf21("6","1","2","4","1","4","6","1") = "5"
    & skf21("6","1","2","4","1","4","7","1") = "6"
    & skf21("6","1","2","4","1","5","1","1") = "5"
    & skf21("6","1","2","4","1","5","2","1") = "5"
    & skf21("6","1","2","4","1","5","3","1") = "5"
    & skf21("6","1","2","4","1","5","4","1") = "5"
    & skf21("6","1","2","4","1","5","5","1") = "5"
    & skf21("6","1","2","4","1","5","6","1") = "5"
    & skf21("6","1","2","4","1","5","7","1") = "6"
    & skf21("6","1","2","4","1","6","1","1") = "5"
    & skf21("6","1","2","4","1","6","2","1") = "5"
    & skf21("6","1","2","4","1","6","3","1") = "5"
    & skf21("6","1","2","4","1","6","4","1") = "5"
    & skf21("6","1","2","4","1","6","5","1") = "5"
    & skf21("6","1","2","4","1","6","6","1") = "5"
    & skf21("6","1","2","4","1","6","7","1") = "6"
    & skf21("6","1","2","4","1","7","1","1") = "6"
    & skf21("6","1","2","4","1","7","2","1") = "6"
    & skf21("6","1","2","4","1","7","3","1") = "6"
    & skf21("6","1","2","4","1","7","4","1") = "6"
    & skf21("6","1","2","4","1","7","5","1") = "6"
    & skf21("6","1","2","4","1","7","6","1") = "6"
    & skf21("6","1","2","4","1","7","7","1") = "6"
    & skf21("6","1","2","4","2","1","1","1") = "5"
    & skf21("6","1","2","4","2","1","2","1") = "5"
    & skf21("6","1","2","4","2","1","3","1") = "5"
    & skf21("6","1","2","4","2","1","4","1") = "5"
    & skf21("6","1","2","4","2","1","5","1") = "5"
    & skf21("6","1","2","4","2","1","6","1") = "5"
    & skf21("6","1","2","4","2","1","7","1") = "6"
    & skf21("6","1","2","4","2","2","1","1") = "5"
    & skf21("6","1","2","4","2","2","2","1") = "5"
    & skf21("6","1","2","4","2","2","3","1") = "5"
    & skf21("6","1","2","4","2","2","4","1") = "5"
    & skf21("6","1","2","4","2","2","5","1") = "5"
    & skf21("6","1","2","4","2","2","6","1") = "5"
    & skf21("6","1","2","4","2","2","7","1") = "6"
    & skf21("6","1","2","4","2","3","1","1") = "5"
    & skf21("6","1","2","4","2","3","2","1") = "5"
    & skf21("6","1","2","4","2","3","3","1") = "5"
    & skf21("6","1","2","4","2","3","4","1") = "5"
    & skf21("6","1","2","4","2","3","5","1") = "5"
    & skf21("6","1","2","4","2","3","6","1") = "5"
    & skf21("6","1","2","4","2","3","7","1") = "6"
    & skf21("6","1","2","4","2","4","1","1") = "5"
    & skf21("6","1","2","4","2","4","2","1") = "5"
    & skf21("6","1","2","4","2","4","3","1") = "5"
    & skf21("6","1","2","4","2","4","4","1") = "5"
    & skf21("6","1","2","4","2","4","5","1") = "5"
    & skf21("6","1","2","4","2","4","6","1") = "5"
    & skf21("6","1","2","4","2","4","7","1") = "6"
    & skf21("6","1","2","4","2","5","1","1") = "5"
    & skf21("6","1","2","4","2","5","2","1") = "5"
    & skf21("6","1","2","4","2","5","3","1") = "5"
    & skf21("6","1","2","4","2","5","4","1") = "5"
    & skf21("6","1","2","4","2","5","5","1") = "5"
    & skf21("6","1","2","4","2","5","6","1") = "5"
    & skf21("6","1","2","4","2","5","7","1") = "6"
    & skf21("6","1","2","4","2","6","1","1") = "5"
    & skf21("6","1","2","4","2","6","2","1") = "5"
    & skf21("6","1","2","4","2","6","3","1") = "5"
    & skf21("6","1","2","4","2","6","4","1") = "5"
    & skf21("6","1","2","4","2","6","5","1") = "5"
    & skf21("6","1","2","4","2","6","6","1") = "5"
    & skf21("6","1","2","4","2","6","7","1") = "6"
    & skf21("6","1","2","4","2","7","1","1") = "6"
    & skf21("6","1","2","4","2","7","2","1") = "6"
    & skf21("6","1","2","4","2","7","3","1") = "6"
    & skf21("6","1","2","4","2","7","4","1") = "6"
    & skf21("6","1","2","4","2","7","5","1") = "6"
    & skf21("6","1","2","4","2","7","6","1") = "6"
    & skf21("6","1","2","4","2","7","7","1") = "6"
    & skf21("6","1","2","4","3","1","1","1") = "5"
    & skf21("6","1","2","4","3","1","2","1") = "5"
    & skf21("6","1","2","4","3","1","3","1") = "5"
    & skf21("6","1","2","4","3","1","4","1") = "5"
    & skf21("6","1","2","4","3","1","5","1") = "5"
    & skf21("6","1","2","4","3","1","6","1") = "5"
    & skf21("6","1","2","4","3","1","7","1") = "6"
    & skf21("6","1","2","4","3","2","1","1") = "5"
    & skf21("6","1","2","4","3","2","2","1") = "5"
    & skf21("6","1","2","4","3","2","3","1") = "5"
    & skf21("6","1","2","4","3","2","4","1") = "5"
    & skf21("6","1","2","4","3","2","5","1") = "5"
    & skf21("6","1","2","4","3","2","6","1") = "5"
    & skf21("6","1","2","4","3","2","7","1") = "6"
    & skf21("6","1","2","4","3","3","1","1") = "5"
    & skf21("6","1","2","4","3","3","2","1") = "5"
    & skf21("6","1","2","4","3","3","3","1") = "5"
    & skf21("6","1","2","4","3","3","4","1") = "5"
    & skf21("6","1","2","4","3","3","5","1") = "5"
    & skf21("6","1","2","4","3","3","6","1") = "5"
    & skf21("6","1","2","4","3","3","7","1") = "6"
    & skf21("6","1","2","4","3","4","1","1") = "5"
    & skf21("6","1","2","4","3","4","2","1") = "5"
    & skf21("6","1","2","4","3","4","3","1") = "5"
    & skf21("6","1","2","4","3","4","4","1") = "5"
    & skf21("6","1","2","4","3","4","5","1") = "5"
    & skf21("6","1","2","4","3","4","6","1") = "5"
    & skf21("6","1","2","4","3","4","7","1") = "6"
    & skf21("6","1","2","4","3","5","1","1") = "5"
    & skf21("6","1","2","4","3","5","2","1") = "5"
    & skf21("6","1","2","4","3","5","3","1") = "5"
    & skf21("6","1","2","4","3","5","4","1") = "5"
    & skf21("6","1","2","4","3","5","5","1") = "5"
    & skf21("6","1","2","4","3","5","6","1") = "5"
    & skf21("6","1","2","4","3","5","7","1") = "6"
    & skf21("6","1","2","4","3","6","1","1") = "5"
    & skf21("6","1","2","4","3","6","2","1") = "5"
    & skf21("6","1","2","4","3","6","3","1") = "5"
    & skf21("6","1","2","4","3","6","4","1") = "5"
    & skf21("6","1","2","4","3","6","5","1") = "5"
    & skf21("6","1","2","4","3","6","6","1") = "5"
    & skf21("6","1","2","4","3","6","7","1") = "6"
    & skf21("6","1","2","4","3","7","1","1") = "6"
    & skf21("6","1","2","4","3","7","2","1") = "6"
    & skf21("6","1","2","4","3","7","3","1") = "6"
    & skf21("6","1","2","4","3","7","4","1") = "6"
    & skf21("6","1","2","4","3","7","5","1") = "6"
    & skf21("6","1","2","4","3","7","6","1") = "6"
    & skf21("6","1","2","4","3","7","7","1") = "6"
    & skf21("6","1","2","4","4","1","1","1") = "5"
    & skf21("6","1","2","4","4","1","2","1") = "5"
    & skf21("6","1","2","4","4","1","3","1") = "5"
    & skf21("6","1","2","4","4","1","4","1") = "5"
    & skf21("6","1","2","4","4","1","5","1") = "5"
    & skf21("6","1","2","4","4","1","6","1") = "5"
    & skf21("6","1","2","4","4","1","7","1") = "6"
    & skf21("6","1","2","4","4","2","1","1") = "5"
    & skf21("6","1","2","4","4","2","2","1") = "5"
    & skf21("6","1","2","4","4","2","3","1") = "5"
    & skf21("6","1","2","4","4","2","4","1") = "5"
    & skf21("6","1","2","4","4","2","5","1") = "5"
    & skf21("6","1","2","4","4","2","6","1") = "5"
    & skf21("6","1","2","4","4","2","7","1") = "6"
    & skf21("6","1","2","4","4","3","1","1") = "5"
    & skf21("6","1","2","4","4","3","2","1") = "5"
    & skf21("6","1","2","4","4","3","3","1") = "5"
    & skf21("6","1","2","4","4","3","4","1") = "5"
    & skf21("6","1","2","4","4","3","5","1") = "5"
    & skf21("6","1","2","4","4","3","6","1") = "5"
    & skf21("6","1","2","4","4","3","7","1") = "6"
    & skf21("6","1","2","4","4","4","1","1") = "5"
    & skf21("6","1","2","4","4","4","2","1") = "5"
    & skf21("6","1","2","4","4","4","3","1") = "5"
    & skf21("6","1","2","4","4","4","4","1") = "5"
    & skf21("6","1","2","4","4","4","5","1") = "5"
    & skf21("6","1","2","4","4","4","6","1") = "5"
    & skf21("6","1","2","4","4","4","7","1") = "6"
    & skf21("6","1","2","4","4","5","1","1") = "5"
    & skf21("6","1","2","4","4","5","2","1") = "5"
    & skf21("6","1","2","4","4","5","3","1") = "5"
    & skf21("6","1","2","4","4","5","4","1") = "5"
    & skf21("6","1","2","4","4","5","5","1") = "5"
    & skf21("6","1","2","4","4","5","6","1") = "5"
    & skf21("6","1","2","4","4","5","7","1") = "6"
    & skf21("6","1","2","4","4","6","1","1") = "5"
    & skf21("6","1","2","4","4","6","2","1") = "5"
    & skf21("6","1","2","4","4","6","3","1") = "5"
    & skf21("6","1","2","4","4","6","4","1") = "5"
    & skf21("6","1","2","4","4","6","5","1") = "5"
    & skf21("6","1","2","4","4","6","6","1") = "5"
    & skf21("6","1","2","4","4","6","7","1") = "6"
    & skf21("6","1","2","4","4","7","1","1") = "6"
    & skf21("6","1","2","4","4","7","2","1") = "6"
    & skf21("6","1","2","4","4","7","3","1") = "6"
    & skf21("6","1","2","4","4","7","4","1") = "6"
    & skf21("6","1","2","4","4","7","5","1") = "6"
    & skf21("6","1","2","4","4","7","6","1") = "6"
    & skf21("6","1","2","4","4","7","7","1") = "6"
    & skf21("6","1","2","4","5","1","1","1") = "5"
    & skf21("6","1","2","4","5","1","2","1") = "5"
    & skf21("6","1","2","4","5","1","3","1") = "5"
    & skf21("6","1","2","4","5","1","4","1") = "5"
    & skf21("6","1","2","4","5","1","5","1") = "5"
    & skf21("6","1","2","4","5","1","6","1") = "5"
    & skf21("6","1","2","4","5","1","7","1") = "6"
    & skf21("6","1","2","4","5","2","1","1") = "5"
    & skf21("6","1","2","4","5","2","2","1") = "5"
    & skf21("6","1","2","4","5","2","3","1") = "5"
    & skf21("6","1","2","4","5","2","4","1") = "5"
    & skf21("6","1","2","4","5","2","5","1") = "5"
    & skf21("6","1","2","4","5","2","6","1") = "5"
    & skf21("6","1","2","4","5","2","7","1") = "6"
    & skf21("6","1","2","4","5","3","1","1") = "5"
    & skf21("6","1","2","4","5","3","2","1") = "5"
    & skf21("6","1","2","4","5","3","3","1") = "5"
    & skf21("6","1","2","4","5","3","4","1") = "5"
    & skf21("6","1","2","4","5","3","5","1") = "5"
    & skf21("6","1","2","4","5","3","6","1") = "5"
    & skf21("6","1","2","4","5","3","7","1") = "6"
    & skf21("6","1","2","4","5","4","1","1") = "5"
    & skf21("6","1","2","4","5","4","2","1") = "5"
    & skf21("6","1","2","4","5","4","3","1") = "5"
    & skf21("6","1","2","4","5","4","4","1") = "5"
    & skf21("6","1","2","4","5","4","5","1") = "5"
    & skf21("6","1","2","4","5","4","6","1") = "5"
    & skf21("6","1","2","4","5","4","7","1") = "6"
    & skf21("6","1","2","4","5","5","1","1") = "5"
    & skf21("6","1","2","4","5","5","2","1") = "5"
    & skf21("6","1","2","4","5","5","3","1") = "5"
    & skf21("6","1","2","4","5","5","4","1") = "5"
    & skf21("6","1","2","4","5","5","5","1") = "5"
    & skf21("6","1","2","4","5","5","6","1") = "5"
    & skf21("6","1","2","4","5","5","7","1") = "6"
    & skf21("6","1","2","4","5","6","1","1") = "5"
    & skf21("6","1","2","4","5","6","2","1") = "5"
    & skf21("6","1","2","4","5","6","3","1") = "5"
    & skf21("6","1","2","4","5","6","4","1") = "5"
    & skf21("6","1","2","4","5","6","5","1") = "5"
    & skf21("6","1","2","4","5","6","6","1") = "5"
    & skf21("6","1","2","4","5","6","7","1") = "6"
    & skf21("6","1","2","4","5","7","1","1") = "6"
    & skf21("6","1","2","4","5","7","2","1") = "6"
    & skf21("6","1","2","4","5","7","3","1") = "6"
    & skf21("6","1","2","4","5","7","4","1") = "6"
    & skf21("6","1","2","4","5","7","5","1") = "6"
    & skf21("6","1","2","4","5","7","6","1") = "6"
    & skf21("6","1","2","4","5","7","7","1") = "6"
    & skf21("6","1","2","4","6","1","1","1") = "5"
    & skf21("6","1","2","4","6","1","2","1") = "5"
    & skf21("6","1","2","4","6","1","3","1") = "5"
    & skf21("6","1","2","4","6","1","4","1") = "5"
    & skf21("6","1","2","4","6","1","5","1") = "5"
    & skf21("6","1","2","4","6","1","6","1") = "5"
    & skf21("6","1","2","4","6","1","7","1") = "6"
    & skf21("6","1","2","4","6","2","1","1") = "5"
    & skf21("6","1","2","4","6","2","2","1") = "5"
    & skf21("6","1","2","4","6","2","3","1") = "5"
    & skf21("6","1","2","4","6","2","4","1") = "5"
    & skf21("6","1","2","4","6","2","5","1") = "5"
    & skf21("6","1","2","4","6","2","6","1") = "5"
    & skf21("6","1","2","4","6","2","7","1") = "6"
    & skf21("6","1","2","4","6","3","1","1") = "5"
    & skf21("6","1","2","4","6","3","2","1") = "5"
    & skf21("6","1","2","4","6","3","3","1") = "5"
    & skf21("6","1","2","4","6","3","4","1") = "5"
    & skf21("6","1","2","4","6","3","5","1") = "5"
    & skf21("6","1","2","4","6","3","6","1") = "5"
    & skf21("6","1","2","4","6","3","7","1") = "6"
    & skf21("6","1","2","4","6","4","1","1") = "5"
    & skf21("6","1","2","4","6","4","2","1") = "5"
    & skf21("6","1","2","4","6","4","3","1") = "5"
    & skf21("6","1","2","4","6","4","4","1") = "5"
    & skf21("6","1","2","4","6","4","5","1") = "5"
    & skf21("6","1","2","4","6","4","6","1") = "5"
    & skf21("6","1","2","4","6","4","7","1") = "6"
    & skf21("6","1","2","4","6","5","1","1") = "5"
    & skf21("6","1","2","4","6","5","2","1") = "5"
    & skf21("6","1","2","4","6","5","3","1") = "5"
    & skf21("6","1","2","4","6","5","4","1") = "5"
    & skf21("6","1","2","4","6","5","5","1") = "5"
    & skf21("6","1","2","4","6","5","6","1") = "5"
    & skf21("6","1","2","4","6","5","7","1") = "6"
    & skf21("6","1","2","4","6","6","1","1") = "5"
    & skf21("6","1","2","4","6","6","2","1") = "5"
    & skf21("6","1","2","4","6","6","3","1") = "5"
    & skf21("6","1","2","4","6","6","4","1") = "5"
    & skf21("6","1","2","4","6","6","5","1") = "5"
    & skf21("6","1","2","4","6","6","6","1") = "5"
    & skf21("6","1","2","4","6","6","7","1") = "6"
    & skf21("6","1","2","4","6","7","1","1") = "6"
    & skf21("6","1","2","4","6","7","2","1") = "6"
    & skf21("6","1","2","4","6","7","3","1") = "6"
    & skf21("6","1","2","4","6","7","4","1") = "6"
    & skf21("6","1","2","4","6","7","5","1") = "6"
    & skf21("6","1","2","4","6","7","6","1") = "6"
    & skf21("6","1","2","4","6","7","7","1") = "6"
    & skf21("6","1","2","4","7","1","1","1") = "6"
    & skf21("6","1","2","4","7","1","2","1") = "6"
    & skf21("6","1","2","4","7","1","3","1") = "6"
    & skf21("6","1","2","4","7","1","4","1") = "6"
    & skf21("6","1","2","4","7","1","5","1") = "6"
    & skf21("6","1","2","4","7","1","6","1") = "6"
    & skf21("6","1","2","4","7","1","7","1") = "6"
    & skf21("6","1","2","4","7","2","1","1") = "6"
    & skf21("6","1","2","4","7","2","2","1") = "6"
    & skf21("6","1","2","4","7","2","3","1") = "6"
    & skf21("6","1","2","4","7","2","4","1") = "6"
    & skf21("6","1","2","4","7","2","5","1") = "6"
    & skf21("6","1","2","4","7","2","6","1") = "6"
    & skf21("6","1","2","4","7","2","7","1") = "6"
    & skf21("6","1","2","4","7","3","1","1") = "6"
    & skf21("6","1","2","4","7","3","2","1") = "6"
    & skf21("6","1","2","4","7","3","3","1") = "6"
    & skf21("6","1","2","4","7","3","4","1") = "6"
    & skf21("6","1","2","4","7","3","5","1") = "6"
    & skf21("6","1","2","4","7","3","6","1") = "6"
    & skf21("6","1","2","4","7","3","7","1") = "6"
    & skf21("6","1","2","4","7","4","1","1") = "6"
    & skf21("6","1","2","4","7","4","2","1") = "6"
    & skf21("6","1","2","4","7","4","3","1") = "6"
    & skf21("6","1","2","4","7","4","4","1") = "6"
    & skf21("6","1","2","4","7","4","5","1") = "6"
    & skf21("6","1","2","4","7","4","6","1") = "6"
    & skf21("6","1","2","4","7","4","7","1") = "6"
    & skf21("6","1","2","4","7","5","1","1") = "6"
    & skf21("6","1","2","4","7","5","2","1") = "6"
    & skf21("6","1","2","4","7","5","3","1") = "6"
    & skf21("6","1","2","4","7","5","4","1") = "6"
    & skf21("6","1","2","4","7","5","5","1") = "6"
    & skf21("6","1","2","4","7","5","6","1") = "6"
    & skf21("6","1","2","4","7","5","7","1") = "6"
    & skf21("6","1","2","4","7","6","1","1") = "6"
    & skf21("6","1","2","4","7","6","2","1") = "6"
    & skf21("6","1","2","4","7","6","3","1") = "6"
    & skf21("6","1","2","4","7","6","4","1") = "6"
    & skf21("6","1","2","4","7","6","5","1") = "6"
    & skf21("6","1","2","4","7","6","6","1") = "6"
    & skf21("6","1","2","4","7","6","7","1") = "6"
    & skf21("6","1","2","4","7","7","1","1") = "6"
    & skf21("6","1","2","4","7","7","2","1") = "6"
    & skf21("6","1","2","4","7","7","3","1") = "6"
    & skf21("6","1","2","4","7","7","4","1") = "6"
    & skf21("6","1","2","4","7","7","5","1") = "6"
    & skf21("6","1","2","4","7","7","6","1") = "6"
    & skf21("6","1","2","4","7","7","7","1") = "6"
    & skf21("6","1","2","5","1","1","1","1") = "5"
    & skf21("6","1","2","5","1","1","2","1") = "5"
    & skf21("6","1","2","5","1","1","3","1") = "5"
    & skf21("6","1","2","5","1","1","4","1") = "5"
    & skf21("6","1","2","5","1","1","5","1") = "5"
    & skf21("6","1","2","5","1","1","6","1") = "5"
    & skf21("6","1","2","5","1","1","7","1") = "6"
    & skf21("6","1","2","5","1","2","1","1") = "5"
    & skf21("6","1","2","5","1","2","2","1") = "5"
    & skf21("6","1","2","5","1","2","3","1") = "5"
    & skf21("6","1","2","5","1","2","4","1") = "5"
    & skf21("6","1","2","5","1","2","5","1") = "5"
    & skf21("6","1","2","5","1","2","6","1") = "5"
    & skf21("6","1","2","5","1","2","7","1") = "6"
    & skf21("6","1","2","5","1","3","1","1") = "5"
    & skf21("6","1","2","5","1","3","2","1") = "5"
    & skf21("6","1","2","5","1","3","3","1") = "5"
    & skf21("6","1","2","5","1","3","4","1") = "5"
    & skf21("6","1","2","5","1","3","5","1") = "5"
    & skf21("6","1","2","5","1","3","6","1") = "5"
    & skf21("6","1","2","5","1","3","7","1") = "6"
    & skf21("6","1","2","5","1","4","1","1") = "5"
    & skf21("6","1","2","5","1","4","2","1") = "5"
    & skf21("6","1","2","5","1","4","3","1") = "5"
    & skf21("6","1","2","5","1","4","4","1") = "5"
    & skf21("6","1","2","5","1","4","5","1") = "5"
    & skf21("6","1","2","5","1","4","6","1") = "5"
    & skf21("6","1","2","5","1","4","7","1") = "6"
    & skf21("6","1","2","5","1","5","1","1") = "5"
    & skf21("6","1","2","5","1","5","2","1") = "5"
    & skf21("6","1","2","5","1","5","3","1") = "5"
    & skf21("6","1","2","5","1","5","4","1") = "5"
    & skf21("6","1","2","5","1","5","5","1") = "5"
    & skf21("6","1","2","5","1","5","6","1") = "5"
    & skf21("6","1","2","5","1","5","7","1") = "6"
    & skf21("6","1","2","5","1","6","1","1") = "5"
    & skf21("6","1","2","5","1","6","2","1") = "5"
    & skf21("6","1","2","5","1","6","3","1") = "5"
    & skf21("6","1","2","5","1","6","4","1") = "5"
    & skf21("6","1","2","5","1","6","5","1") = "5"
    & skf21("6","1","2","5","1","6","6","1") = "5"
    & skf21("6","1","2","5","1","6","7","1") = "6"
    & skf21("6","1","2","5","1","7","1","1") = "6"
    & skf21("6","1","2","5","1","7","2","1") = "6"
    & skf21("6","1","2","5","1","7","3","1") = "6"
    & skf21("6","1","2","5","1","7","4","1") = "6"
    & skf21("6","1","2","5","1","7","5","1") = "6"
    & skf21("6","1","2","5","1","7","6","1") = "6"
    & skf21("6","1","2","5","1","7","7","1") = "6"
    & skf21("6","1","2","5","2","1","1","1") = "5"
    & skf21("6","1","2","5","2","1","2","1") = "5"
    & skf21("6","1","2","5","2","1","3","1") = "5"
    & skf21("6","1","2","5","2","1","4","1") = "5"
    & skf21("6","1","2","5","2","1","5","1") = "5"
    & skf21("6","1","2","5","2","1","6","1") = "5"
    & skf21("6","1","2","5","2","1","7","1") = "6"
    & skf21("6","1","2","5","2","2","1","1") = "5"
    & skf21("6","1","2","5","2","2","2","1") = "5"
    & skf21("6","1","2","5","2","2","3","1") = "5"
    & skf21("6","1","2","5","2","2","4","1") = "5"
    & skf21("6","1","2","5","2","2","5","1") = "5"
    & skf21("6","1","2","5","2","2","6","1") = "5"
    & skf21("6","1","2","5","2","2","7","1") = "6"
    & skf21("6","1","2","5","2","3","1","1") = "5"
    & skf21("6","1","2","5","2","3","2","1") = "5"
    & skf21("6","1","2","5","2","3","3","1") = "5"
    & skf21("6","1","2","5","2","3","4","1") = "5"
    & skf21("6","1","2","5","2","3","5","1") = "5"
    & skf21("6","1","2","5","2","3","6","1") = "5"
    & skf21("6","1","2","5","2","3","7","1") = "6"
    & skf21("6","1","2","5","2","4","1","1") = "5"
    & skf21("6","1","2","5","2","4","2","1") = "5"
    & skf21("6","1","2","5","2","4","3","1") = "5"
    & skf21("6","1","2","5","2","4","4","1") = "5"
    & skf21("6","1","2","5","2","4","5","1") = "5"
    & skf21("6","1","2","5","2","4","6","1") = "5"
    & skf21("6","1","2","5","2","4","7","1") = "6"
    & skf21("6","1","2","5","2","5","1","1") = "5"
    & skf21("6","1","2","5","2","5","2","1") = "5"
    & skf21("6","1","2","5","2","5","3","1") = "5"
    & skf21("6","1","2","5","2","5","4","1") = "5"
    & skf21("6","1","2","5","2","5","5","1") = "5"
    & skf21("6","1","2","5","2","5","6","1") = "5"
    & skf21("6","1","2","5","2","5","7","1") = "6"
    & skf21("6","1","2","5","2","6","1","1") = "5"
    & skf21("6","1","2","5","2","6","2","1") = "5"
    & skf21("6","1","2","5","2","6","3","1") = "5"
    & skf21("6","1","2","5","2","6","4","1") = "5"
    & skf21("6","1","2","5","2","6","5","1") = "5"
    & skf21("6","1","2","5","2","6","6","1") = "5"
    & skf21("6","1","2","5","2","6","7","1") = "6"
    & skf21("6","1","2","5","2","7","1","1") = "6"
    & skf21("6","1","2","5","2","7","2","1") = "6"
    & skf21("6","1","2","5","2","7","3","1") = "6"
    & skf21("6","1","2","5","2","7","4","1") = "6"
    & skf21("6","1","2","5","2","7","5","1") = "6"
    & skf21("6","1","2","5","2","7","6","1") = "6"
    & skf21("6","1","2","5","2","7","7","1") = "6"
    & skf21("6","1","2","5","3","1","1","1") = "5"
    & skf21("6","1","2","5","3","1","2","1") = "5"
    & skf21("6","1","2","5","3","1","3","1") = "5"
    & skf21("6","1","2","5","3","1","4","1") = "5"
    & skf21("6","1","2","5","3","1","5","1") = "5"
    & skf21("6","1","2","5","3","1","6","1") = "5"
    & skf21("6","1","2","5","3","1","7","1") = "6"
    & skf21("6","1","2","5","3","2","1","1") = "5"
    & skf21("6","1","2","5","3","2","2","1") = "5"
    & skf21("6","1","2","5","3","2","3","1") = "5"
    & skf21("6","1","2","5","3","2","4","1") = "5"
    & skf21("6","1","2","5","3","2","5","1") = "5"
    & skf21("6","1","2","5","3","2","6","1") = "5"
    & skf21("6","1","2","5","3","2","7","1") = "6"
    & skf21("6","1","2","5","3","3","1","1") = "5"
    & skf21("6","1","2","5","3","3","2","1") = "5"
    & skf21("6","1","2","5","3","3","3","1") = "5"
    & skf21("6","1","2","5","3","3","4","1") = "5"
    & skf21("6","1","2","5","3","3","5","1") = "5"
    & skf21("6","1","2","5","3","3","6","1") = "5"
    & skf21("6","1","2","5","3","3","7","1") = "6"
    & skf21("6","1","2","5","3","4","1","1") = "5"
    & skf21("6","1","2","5","3","4","2","1") = "5"
    & skf21("6","1","2","5","3","4","3","1") = "5"
    & skf21("6","1","2","5","3","4","4","1") = "5"
    & skf21("6","1","2","5","3","4","5","1") = "5"
    & skf21("6","1","2","5","3","4","6","1") = "5"
    & skf21("6","1","2","5","3","4","7","1") = "6"
    & skf21("6","1","2","5","3","5","1","1") = "5"
    & skf21("6","1","2","5","3","5","2","1") = "5"
    & skf21("6","1","2","5","3","5","3","1") = "5"
    & skf21("6","1","2","5","3","5","4","1") = "5"
    & skf21("6","1","2","5","3","5","5","1") = "5"
    & skf21("6","1","2","5","3","5","6","1") = "5"
    & skf21("6","1","2","5","3","5","7","1") = "6"
    & skf21("6","1","2","5","3","6","1","1") = "5"
    & skf21("6","1","2","5","3","6","2","1") = "5"
    & skf21("6","1","2","5","3","6","3","1") = "5"
    & skf21("6","1","2","5","3","6","4","1") = "5"
    & skf21("6","1","2","5","3","6","5","1") = "5"
    & skf21("6","1","2","5","3","6","6","1") = "5"
    & skf21("6","1","2","5","3","6","7","1") = "6"
    & skf21("6","1","2","5","3","7","1","1") = "6"
    & skf21("6","1","2","5","3","7","2","1") = "6"
    & skf21("6","1","2","5","3","7","3","1") = "6"
    & skf21("6","1","2","5","3","7","4","1") = "6"
    & skf21("6","1","2","5","3","7","5","1") = "6"
    & skf21("6","1","2","5","3","7","6","1") = "6"
    & skf21("6","1","2","5","3","7","7","1") = "6"
    & skf21("6","1","2","5","4","1","1","1") = "5"
    & skf21("6","1","2","5","4","1","2","1") = "5"
    & skf21("6","1","2","5","4","1","3","1") = "5"
    & skf21("6","1","2","5","4","1","4","1") = "5"
    & skf21("6","1","2","5","4","1","5","1") = "5"
    & skf21("6","1","2","5","4","1","6","1") = "5"
    & skf21("6","1","2","5","4","1","7","1") = "6"
    & skf21("6","1","2","5","4","2","1","1") = "5"
    & skf21("6","1","2","5","4","2","2","1") = "5"
    & skf21("6","1","2","5","4","2","3","1") = "5"
    & skf21("6","1","2","5","4","2","4","1") = "5"
    & skf21("6","1","2","5","4","2","5","1") = "5"
    & skf21("6","1","2","5","4","2","6","1") = "5"
    & skf21("6","1","2","5","4","2","7","1") = "6"
    & skf21("6","1","2","5","4","3","1","1") = "5"
    & skf21("6","1","2","5","4","3","2","1") = "5"
    & skf21("6","1","2","5","4","3","3","1") = "5"
    & skf21("6","1","2","5","4","3","4","1") = "5"
    & skf21("6","1","2","5","4","3","5","1") = "5"
    & skf21("6","1","2","5","4","3","6","1") = "5"
    & skf21("6","1","2","5","4","3","7","1") = "6"
    & skf21("6","1","2","5","4","4","1","1") = "5"
    & skf21("6","1","2","5","4","4","2","1") = "5"
    & skf21("6","1","2","5","4","4","3","1") = "5"
    & skf21("6","1","2","5","4","4","4","1") = "5"
    & skf21("6","1","2","5","4","4","5","1") = "5"
    & skf21("6","1","2","5","4","4","6","1") = "5"
    & skf21("6","1","2","5","4","4","7","1") = "6"
    & skf21("6","1","2","5","4","5","1","1") = "5"
    & skf21("6","1","2","5","4","5","2","1") = "5"
    & skf21("6","1","2","5","4","5","3","1") = "5"
    & skf21("6","1","2","5","4","5","4","1") = "5"
    & skf21("6","1","2","5","4","5","5","1") = "5"
    & skf21("6","1","2","5","4","5","6","1") = "5"
    & skf21("6","1","2","5","4","5","7","1") = "6"
    & skf21("6","1","2","5","4","6","1","1") = "5"
    & skf21("6","1","2","5","4","6","2","1") = "5"
    & skf21("6","1","2","5","4","6","3","1") = "5"
    & skf21("6","1","2","5","4","6","4","1") = "5"
    & skf21("6","1","2","5","4","6","5","1") = "5"
    & skf21("6","1","2","5","4","6","6","1") = "5"
    & skf21("6","1","2","5","4","6","7","1") = "6"
    & skf21("6","1","2","5","4","7","1","1") = "6"
    & skf21("6","1","2","5","4","7","2","1") = "6"
    & skf21("6","1","2","5","4","7","3","1") = "6"
    & skf21("6","1","2","5","4","7","4","1") = "6"
    & skf21("6","1","2","5","4","7","5","1") = "6"
    & skf21("6","1","2","5","4","7","6","1") = "6"
    & skf21("6","1","2","5","4","7","7","1") = "6"
    & skf21("6","1","2","5","5","1","1","1") = "5"
    & skf21("6","1","2","5","5","1","2","1") = "5"
    & skf21("6","1","2","5","5","1","3","1") = "5"
    & skf21("6","1","2","5","5","1","4","1") = "5"
    & skf21("6","1","2","5","5","1","5","1") = "5"
    & skf21("6","1","2","5","5","1","6","1") = "5"
    & skf21("6","1","2","5","5","1","7","1") = "6"
    & skf21("6","1","2","5","5","2","1","1") = "5"
    & skf21("6","1","2","5","5","2","2","1") = "5"
    & skf21("6","1","2","5","5","2","3","1") = "5"
    & skf21("6","1","2","5","5","2","4","1") = "5"
    & skf21("6","1","2","5","5","2","5","1") = "5"
    & skf21("6","1","2","5","5","2","6","1") = "5"
    & skf21("6","1","2","5","5","2","7","1") = "6"
    & skf21("6","1","2","5","5","3","1","1") = "5"
    & skf21("6","1","2","5","5","3","2","1") = "5"
    & skf21("6","1","2","5","5","3","3","1") = "5"
    & skf21("6","1","2","5","5","3","4","1") = "5"
    & skf21("6","1","2","5","5","3","5","1") = "5"
    & skf21("6","1","2","5","5","3","6","1") = "5"
    & skf21("6","1","2","5","5","3","7","1") = "6"
    & skf21("6","1","2","5","5","4","1","1") = "5"
    & skf21("6","1","2","5","5","4","2","1") = "5"
    & skf21("6","1","2","5","5","4","3","1") = "5"
    & skf21("6","1","2","5","5","4","4","1") = "5"
    & skf21("6","1","2","5","5","4","5","1") = "5"
    & skf21("6","1","2","5","5","4","6","1") = "5"
    & skf21("6","1","2","5","5","4","7","1") = "6"
    & skf21("6","1","2","5","5","5","1","1") = "5"
    & skf21("6","1","2","5","5","5","2","1") = "5"
    & skf21("6","1","2","5","5","5","3","1") = "5"
    & skf21("6","1","2","5","5","5","4","1") = "5"
    & skf21("6","1","2","5","5","5","5","1") = "5"
    & skf21("6","1","2","5","5","5","6","1") = "5"
    & skf21("6","1","2","5","5","5","7","1") = "6"
    & skf21("6","1","2","5","5","6","1","1") = "5"
    & skf21("6","1","2","5","5","6","2","1") = "5"
    & skf21("6","1","2","5","5","6","3","1") = "5"
    & skf21("6","1","2","5","5","6","4","1") = "5"
    & skf21("6","1","2","5","5","6","5","1") = "5"
    & skf21("6","1","2","5","5","6","6","1") = "5"
    & skf21("6","1","2","5","5","6","7","1") = "6"
    & skf21("6","1","2","5","5","7","1","1") = "6"
    & skf21("6","1","2","5","5","7","2","1") = "6"
    & skf21("6","1","2","5","5","7","3","1") = "6"
    & skf21("6","1","2","5","5","7","4","1") = "6"
    & skf21("6","1","2","5","5","7","5","1") = "6"
    & skf21("6","1","2","5","5","7","6","1") = "6"
    & skf21("6","1","2","5","5","7","7","1") = "6"
    & skf21("6","1","2","5","6","1","1","1") = "5"
    & skf21("6","1","2","5","6","1","2","1") = "5"
    & skf21("6","1","2","5","6","1","3","1") = "5"
    & skf21("6","1","2","5","6","1","4","1") = "5"
    & skf21("6","1","2","5","6","1","5","1") = "5"
    & skf21("6","1","2","5","6","1","6","1") = "5"
    & skf21("6","1","2","5","6","1","7","1") = "6"
    & skf21("6","1","2","5","6","2","1","1") = "5"
    & skf21("6","1","2","5","6","2","2","1") = "5"
    & skf21("6","1","2","5","6","2","3","1") = "5"
    & skf21("6","1","2","5","6","2","4","1") = "5"
    & skf21("6","1","2","5","6","2","5","1") = "5"
    & skf21("6","1","2","5","6","2","6","1") = "5"
    & skf21("6","1","2","5","6","2","7","1") = "6"
    & skf21("6","1","2","5","6","3","1","1") = "5"
    & skf21("6","1","2","5","6","3","2","1") = "5"
    & skf21("6","1","2","5","6","3","3","1") = "5"
    & skf21("6","1","2","5","6","3","4","1") = "5"
    & skf21("6","1","2","5","6","3","5","1") = "5"
    & skf21("6","1","2","5","6","3","6","1") = "5"
    & skf21("6","1","2","5","6","3","7","1") = "6"
    & skf21("6","1","2","5","6","4","1","1") = "5"
    & skf21("6","1","2","5","6","4","2","1") = "5"
    & skf21("6","1","2","5","6","4","3","1") = "5"
    & skf21("6","1","2","5","6","4","4","1") = "5"
    & skf21("6","1","2","5","6","4","5","1") = "5"
    & skf21("6","1","2","5","6","4","6","1") = "5"
    & skf21("6","1","2","5","6","4","7","1") = "6"
    & skf21("6","1","2","5","6","5","1","1") = "5"
    & skf21("6","1","2","5","6","5","2","1") = "5"
    & skf21("6","1","2","5","6","5","3","1") = "5"
    & skf21("6","1","2","5","6","5","4","1") = "5"
    & skf21("6","1","2","5","6","5","5","1") = "5"
    & skf21("6","1","2","5","6","5","6","1") = "5"
    & skf21("6","1","2","5","6","5","7","1") = "6"
    & skf21("6","1","2","5","6","6","1","1") = "5"
    & skf21("6","1","2","5","6","6","2","1") = "5"
    & skf21("6","1","2","5","6","6","3","1") = "5"
    & skf21("6","1","2","5","6","6","4","1") = "5"
    & skf21("6","1","2","5","6","6","5","1") = "5"
    & skf21("6","1","2","5","6","6","6","1") = "5"
    & skf21("6","1","2","5","6","6","7","1") = "6"
    & skf21("6","1","2","5","6","7","1","1") = "6"
    & skf21("6","1","2","5","6","7","2","1") = "6"
    & skf21("6","1","2","5","6","7","3","1") = "6"
    & skf21("6","1","2","5","6","7","4","1") = "6"
    & skf21("6","1","2","5","6","7","5","1") = "6"
    & skf21("6","1","2","5","6","7","6","1") = "6"
    & skf21("6","1","2","5","6","7","7","1") = "6"
    & skf21("6","1","2","5","7","1","1","1") = "6"
    & skf21("6","1","2","5","7","1","2","1") = "6"
    & skf21("6","1","2","5","7","1","3","1") = "6"
    & skf21("6","1","2","5","7","1","4","1") = "6"
    & skf21("6","1","2","5","7","1","5","1") = "6"
    & skf21("6","1","2","5","7","1","6","1") = "6"
    & skf21("6","1","2","5","7","1","7","1") = "6"
    & skf21("6","1","2","5","7","2","1","1") = "6"
    & skf21("6","1","2","5","7","2","2","1") = "6"
    & skf21("6","1","2","5","7","2","3","1") = "6"
    & skf21("6","1","2","5","7","2","4","1") = "6"
    & skf21("6","1","2","5","7","2","5","1") = "6"
    & skf21("6","1","2","5","7","2","6","1") = "6"
    & skf21("6","1","2","5","7","2","7","1") = "6"
    & skf21("6","1","2","5","7","3","1","1") = "6"
    & skf21("6","1","2","5","7","3","2","1") = "6"
    & skf21("6","1","2","5","7","3","3","1") = "6"
    & skf21("6","1","2","5","7","3","4","1") = "6"
    & skf21("6","1","2","5","7","3","5","1") = "6"
    & skf21("6","1","2","5","7","3","6","1") = "6"
    & skf21("6","1","2","5","7","3","7","1") = "6"
    & skf21("6","1","2","5","7","4","1","1") = "6"
    & skf21("6","1","2","5","7","4","2","1") = "6"
    & skf21("6","1","2","5","7","4","3","1") = "6"
    & skf21("6","1","2","5","7","4","4","1") = "6"
    & skf21("6","1","2","5","7","4","5","1") = "6"
    & skf21("6","1","2","5","7","4","6","1") = "6"
    & skf21("6","1","2","5","7","4","7","1") = "6"
    & skf21("6","1","2","5","7","5","1","1") = "6"
    & skf21("6","1","2","5","7","5","2","1") = "6"
    & skf21("6","1","2","5","7","5","3","1") = "6"
    & skf21("6","1","2","5","7","5","4","1") = "6"
    & skf21("6","1","2","5","7","5","5","1") = "6"
    & skf21("6","1","2","5","7","5","6","1") = "6"
    & skf21("6","1","2","5","7","5","7","1") = "6"
    & skf21("6","1","2","5","7","6","1","1") = "6"
    & skf21("6","1","2","5","7","6","2","1") = "6"
    & skf21("6","1","2","5","7","6","3","1") = "6"
    & skf21("6","1","2","5","7","6","4","1") = "6"
    & skf21("6","1","2","5","7","6","5","1") = "6"
    & skf21("6","1","2","5","7","6","6","1") = "6"
    & skf21("6","1","2","5","7","6","7","1") = "6"
    & skf21("6","1","2","5","7","7","1","1") = "6"
    & skf21("6","1","2","5","7","7","2","1") = "6"
    & skf21("6","1","2","5","7","7","3","1") = "6"
    & skf21("6","1","2","5","7","7","4","1") = "6"
    & skf21("6","1","2","5","7","7","5","1") = "6"
    & skf21("6","1","2","5","7","7","6","1") = "6"
    & skf21("6","1","2","5","7","7","7","1") = "6"
    & skf21("6","1","2","6","1","1","1","1") = "5"
    & skf21("6","1","2","6","1","1","2","1") = "5"
    & skf21("6","1","2","6","1","1","3","1") = "5"
    & skf21("6","1","2","6","1","1","4","1") = "5"
    & skf21("6","1","2","6","1","1","5","1") = "5"
    & skf21("6","1","2","6","1","1","6","1") = "5"
    & skf21("6","1","2","6","1","1","7","1") = "6"
    & skf21("6","1","2","6","1","2","1","1") = "5"
    & skf21("6","1","2","6","1","2","2","1") = "5"
    & skf21("6","1","2","6","1","2","3","1") = "5"
    & skf21("6","1","2","6","1","2","4","1") = "5"
    & skf21("6","1","2","6","1","2","5","1") = "5"
    & skf21("6","1","2","6","1","2","6","1") = "5"
    & skf21("6","1","2","6","1","2","7","1") = "6"
    & skf21("6","1","2","6","1","3","1","1") = "5"
    & skf21("6","1","2","6","1","3","2","1") = "5"
    & skf21("6","1","2","6","1","3","3","1") = "5"
    & skf21("6","1","2","6","1","3","4","1") = "5"
    & skf21("6","1","2","6","1","3","5","1") = "5"
    & skf21("6","1","2","6","1","3","6","1") = "5"
    & skf21("6","1","2","6","1","3","7","1") = "6"
    & skf21("6","1","2","6","1","4","1","1") = "5"
    & skf21("6","1","2","6","1","4","2","1") = "5"
    & skf21("6","1","2","6","1","4","3","1") = "5"
    & skf21("6","1","2","6","1","4","4","1") = "5"
    & skf21("6","1","2","6","1","4","5","1") = "5"
    & skf21("6","1","2","6","1","4","6","1") = "5"
    & skf21("6","1","2","6","1","4","7","1") = "6"
    & skf21("6","1","2","6","1","5","1","1") = "5"
    & skf21("6","1","2","6","1","5","2","1") = "5"
    & skf21("6","1","2","6","1","5","3","1") = "5"
    & skf21("6","1","2","6","1","5","4","1") = "5"
    & skf21("6","1","2","6","1","5","5","1") = "5"
    & skf21("6","1","2","6","1","5","6","1") = "5"
    & skf21("6","1","2","6","1","5","7","1") = "6"
    & skf21("6","1","2","6","1","6","1","1") = "5"
    & skf21("6","1","2","6","1","6","2","1") = "5"
    & skf21("6","1","2","6","1","6","3","1") = "5"
    & skf21("6","1","2","6","1","6","4","1") = "5"
    & skf21("6","1","2","6","1","6","5","1") = "5"
    & skf21("6","1","2","6","1","6","6","1") = "5"
    & skf21("6","1","2","6","1","6","7","1") = "6"
    & skf21("6","1","2","6","1","7","1","1") = "6"
    & skf21("6","1","2","6","1","7","2","1") = "6"
    & skf21("6","1","2","6","1","7","3","1") = "6"
    & skf21("6","1","2","6","1","7","4","1") = "6"
    & skf21("6","1","2","6","1","7","5","1") = "6"
    & skf21("6","1","2","6","1","7","6","1") = "6"
    & skf21("6","1","2","6","1","7","7","1") = "6"
    & skf21("6","1","2","6","2","1","1","1") = "5"
    & skf21("6","1","2","6","2","1","2","1") = "5"
    & skf21("6","1","2","6","2","1","3","1") = "5"
    & skf21("6","1","2","6","2","1","4","1") = "5"
    & skf21("6","1","2","6","2","1","5","1") = "5"
    & skf21("6","1","2","6","2","1","6","1") = "5"
    & skf21("6","1","2","6","2","1","7","1") = "6"
    & skf21("6","1","2","6","2","2","1","1") = "5"
    & skf21("6","1","2","6","2","2","2","1") = "5"
    & skf21("6","1","2","6","2","2","3","1") = "5"
    & skf21("6","1","2","6","2","2","4","1") = "5"
    & skf21("6","1","2","6","2","2","5","1") = "5"
    & skf21("6","1","2","6","2","2","6","1") = "5"
    & skf21("6","1","2","6","2","2","7","1") = "6"
    & skf21("6","1","2","6","2","3","1","1") = "5"
    & skf21("6","1","2","6","2","3","2","1") = "5"
    & skf21("6","1","2","6","2","3","3","1") = "5"
    & skf21("6","1","2","6","2","3","4","1") = "5"
    & skf21("6","1","2","6","2","3","5","1") = "5"
    & skf21("6","1","2","6","2","3","6","1") = "5"
    & skf21("6","1","2","6","2","3","7","1") = "6"
    & skf21("6","1","2","6","2","4","1","1") = "5"
    & skf21("6","1","2","6","2","4","2","1") = "5"
    & skf21("6","1","2","6","2","4","3","1") = "5"
    & skf21("6","1","2","6","2","4","4","1") = "5"
    & skf21("6","1","2","6","2","4","5","1") = "5"
    & skf21("6","1","2","6","2","4","6","1") = "5"
    & skf21("6","1","2","6","2","4","7","1") = "6"
    & skf21("6","1","2","6","2","5","1","1") = "5"
    & skf21("6","1","2","6","2","5","2","1") = "5"
    & skf21("6","1","2","6","2","5","3","1") = "5"
    & skf21("6","1","2","6","2","5","4","1") = "5"
    & skf21("6","1","2","6","2","5","5","1") = "5"
    & skf21("6","1","2","6","2","5","6","1") = "5"
    & skf21("6","1","2","6","2","5","7","1") = "6"
    & skf21("6","1","2","6","2","6","1","1") = "5"
    & skf21("6","1","2","6","2","6","2","1") = "5"
    & skf21("6","1","2","6","2","6","3","1") = "5"
    & skf21("6","1","2","6","2","6","4","1") = "5"
    & skf21("6","1","2","6","2","6","5","1") = "5"
    & skf21("6","1","2","6","2","6","6","1") = "5"
    & skf21("6","1","2","6","2","6","7","1") = "6"
    & skf21("6","1","2","6","2","7","1","1") = "6"
    & skf21("6","1","2","6","2","7","2","1") = "6"
    & skf21("6","1","2","6","2","7","3","1") = "6"
    & skf21("6","1","2","6","2","7","4","1") = "6"
    & skf21("6","1","2","6","2","7","5","1") = "6"
    & skf21("6","1","2","6","2","7","6","1") = "6"
    & skf21("6","1","2","6","2","7","7","1") = "6"
    & skf21("6","1","2","6","3","1","1","1") = "5"
    & skf21("6","1","2","6","3","1","2","1") = "5"
    & skf21("6","1","2","6","3","1","3","1") = "5"
    & skf21("6","1","2","6","3","1","4","1") = "5"
    & skf21("6","1","2","6","3","1","5","1") = "5"
    & skf21("6","1","2","6","3","1","6","1") = "5"
    & skf21("6","1","2","6","3","1","7","1") = "6"
    & skf21("6","1","2","6","3","2","1","1") = "5"
    & skf21("6","1","2","6","3","2","2","1") = "5"
    & skf21("6","1","2","6","3","2","3","1") = "5"
    & skf21("6","1","2","6","3","2","4","1") = "5"
    & skf21("6","1","2","6","3","2","5","1") = "5"
    & skf21("6","1","2","6","3","2","6","1") = "5"
    & skf21("6","1","2","6","3","2","7","1") = "6"
    & skf21("6","1","2","6","3","3","1","1") = "5"
    & skf21("6","1","2","6","3","3","2","1") = "5"
    & skf21("6","1","2","6","3","3","3","1") = "5"
    & skf21("6","1","2","6","3","3","4","1") = "5"
    & skf21("6","1","2","6","3","3","5","1") = "5"
    & skf21("6","1","2","6","3","3","6","1") = "5"
    & skf21("6","1","2","6","3","3","7","1") = "6"
    & skf21("6","1","2","6","3","4","1","1") = "5"
    & skf21("6","1","2","6","3","4","2","1") = "5"
    & skf21("6","1","2","6","3","4","3","1") = "5"
    & skf21("6","1","2","6","3","4","4","1") = "5"
    & skf21("6","1","2","6","3","4","5","1") = "5"
    & skf21("6","1","2","6","3","4","6","1") = "5"
    & skf21("6","1","2","6","3","4","7","1") = "6"
    & skf21("6","1","2","6","3","5","1","1") = "5"
    & skf21("6","1","2","6","3","5","2","1") = "5"
    & skf21("6","1","2","6","3","5","3","1") = "5"
    & skf21("6","1","2","6","3","5","4","1") = "5"
    & skf21("6","1","2","6","3","5","5","1") = "5"
    & skf21("6","1","2","6","3","5","6","1") = "5"
    & skf21("6","1","2","6","3","5","7","1") = "6"
    & skf21("6","1","2","6","3","6","1","1") = "5"
    & skf21("6","1","2","6","3","6","2","1") = "5"
    & skf21("6","1","2","6","3","6","3","1") = "5"
    & skf21("6","1","2","6","3","6","4","1") = "5"
    & skf21("6","1","2","6","3","6","5","1") = "5"
    & skf21("6","1","2","6","3","6","6","1") = "5"
    & skf21("6","1","2","6","3","6","7","1") = "6"
    & skf21("6","1","2","6","3","7","1","1") = "6"
    & skf21("6","1","2","6","3","7","2","1") = "6"
    & skf21("6","1","2","6","3","7","3","1") = "6"
    & skf21("6","1","2","6","3","7","4","1") = "6"
    & skf21("6","1","2","6","3","7","5","1") = "6"
    & skf21("6","1","2","6","3","7","6","1") = "6"
    & skf21("6","1","2","6","3","7","7","1") = "6"
    & skf21("6","1","2","6","4","1","1","1") = "5"
    & skf21("6","1","2","6","4","1","2","1") = "5"
    & skf21("6","1","2","6","4","1","3","1") = "5"
    & skf21("6","1","2","6","4","1","4","1") = "5"
    & skf21("6","1","2","6","4","1","5","1") = "5"
    & skf21("6","1","2","6","4","1","6","1") = "5"
    & skf21("6","1","2","6","4","1","7","1") = "6"
    & skf21("6","1","2","6","4","2","1","1") = "5"
    & skf21("6","1","2","6","4","2","2","1") = "5"
    & skf21("6","1","2","6","4","2","3","1") = "5"
    & skf21("6","1","2","6","4","2","4","1") = "5"
    & skf21("6","1","2","6","4","2","5","1") = "5"
    & skf21("6","1","2","6","4","2","6","1") = "5"
    & skf21("6","1","2","6","4","2","7","1") = "6"
    & skf21("6","1","2","6","4","3","1","1") = "5"
    & skf21("6","1","2","6","4","3","2","1") = "5"
    & skf21("6","1","2","6","4","3","3","1") = "5"
    & skf21("6","1","2","6","4","3","4","1") = "5"
    & skf21("6","1","2","6","4","3","5","1") = "5"
    & skf21("6","1","2","6","4","3","6","1") = "5"
    & skf21("6","1","2","6","4","3","7","1") = "6"
    & skf21("6","1","2","6","4","4","1","1") = "5"
    & skf21("6","1","2","6","4","4","2","1") = "5"
    & skf21("6","1","2","6","4","4","3","1") = "5"
    & skf21("6","1","2","6","4","4","4","1") = "5"
    & skf21("6","1","2","6","4","4","5","1") = "5"
    & skf21("6","1","2","6","4","4","6","1") = "5"
    & skf21("6","1","2","6","4","4","7","1") = "6"
    & skf21("6","1","2","6","4","5","1","1") = "5"
    & skf21("6","1","2","6","4","5","2","1") = "5"
    & skf21("6","1","2","6","4","5","3","1") = "5"
    & skf21("6","1","2","6","4","5","4","1") = "5"
    & skf21("6","1","2","6","4","5","5","1") = "5"
    & skf21("6","1","2","6","4","5","6","1") = "5"
    & skf21("6","1","2","6","4","5","7","1") = "6"
    & skf21("6","1","2","6","4","6","1","1") = "5"
    & skf21("6","1","2","6","4","6","2","1") = "5"
    & skf21("6","1","2","6","4","6","3","1") = "5"
    & skf21("6","1","2","6","4","6","4","1") = "5"
    & skf21("6","1","2","6","4","6","5","1") = "5"
    & skf21("6","1","2","6","4","6","6","1") = "5"
    & skf21("6","1","2","6","4","6","7","1") = "6"
    & skf21("6","1","2","6","4","7","1","1") = "6"
    & skf21("6","1","2","6","4","7","2","1") = "6"
    & skf21("6","1","2","6","4","7","3","1") = "6"
    & skf21("6","1","2","6","4","7","4","1") = "6"
    & skf21("6","1","2","6","4","7","5","1") = "6"
    & skf21("6","1","2","6","4","7","6","1") = "6"
    & skf21("6","1","2","6","4","7","7","1") = "6"
    & skf21("6","1","2","6","5","1","1","1") = "5"
    & skf21("6","1","2","6","5","1","2","1") = "5"
    & skf21("6","1","2","6","5","1","3","1") = "5"
    & skf21("6","1","2","6","5","1","4","1") = "5"
    & skf21("6","1","2","6","5","1","5","1") = "5"
    & skf21("6","1","2","6","5","1","6","1") = "5"
    & skf21("6","1","2","6","5","1","7","1") = "6"
    & skf21("6","1","2","6","5","2","1","1") = "5"
    & skf21("6","1","2","6","5","2","2","1") = "5"
    & skf21("6","1","2","6","5","2","3","1") = "5"
    & skf21("6","1","2","6","5","2","4","1") = "5"
    & skf21("6","1","2","6","5","2","5","1") = "5"
    & skf21("6","1","2","6","5","2","6","1") = "5"
    & skf21("6","1","2","6","5","2","7","1") = "6"
    & skf21("6","1","2","6","5","3","1","1") = "5"
    & skf21("6","1","2","6","5","3","2","1") = "5"
    & skf21("6","1","2","6","5","3","3","1") = "5"
    & skf21("6","1","2","6","5","3","4","1") = "5"
    & skf21("6","1","2","6","5","3","5","1") = "5"
    & skf21("6","1","2","6","5","3","6","1") = "5"
    & skf21("6","1","2","6","5","3","7","1") = "6"
    & skf21("6","1","2","6","5","4","1","1") = "5"
    & skf21("6","1","2","6","5","4","2","1") = "5"
    & skf21("6","1","2","6","5","4","3","1") = "5"
    & skf21("6","1","2","6","5","4","4","1") = "5"
    & skf21("6","1","2","6","5","4","5","1") = "5"
    & skf21("6","1","2","6","5","4","6","1") = "5"
    & skf21("6","1","2","6","5","4","7","1") = "6"
    & skf21("6","1","2","6","5","5","1","1") = "5"
    & skf21("6","1","2","6","5","5","2","1") = "5"
    & skf21("6","1","2","6","5","5","3","1") = "5"
    & skf21("6","1","2","6","5","5","4","1") = "5"
    & skf21("6","1","2","6","5","5","5","1") = "5"
    & skf21("6","1","2","6","5","5","6","1") = "5"
    & skf21("6","1","2","6","5","5","7","1") = "6"
    & skf21("6","1","2","6","5","6","1","1") = "5"
    & skf21("6","1","2","6","5","6","2","1") = "5"
    & skf21("6","1","2","6","5","6","3","1") = "5"
    & skf21("6","1","2","6","5","6","4","1") = "5"
    & skf21("6","1","2","6","5","6","5","1") = "5"
    & skf21("6","1","2","6","5","6","6","1") = "5"
    & skf21("6","1","2","6","5","6","7","1") = "6"
    & skf21("6","1","2","6","5","7","1","1") = "6"
    & skf21("6","1","2","6","5","7","2","1") = "6"
    & skf21("6","1","2","6","5","7","3","1") = "6"
    & skf21("6","1","2","6","5","7","4","1") = "6"
    & skf21("6","1","2","6","5","7","5","1") = "6"
    & skf21("6","1","2","6","5","7","6","1") = "6"
    & skf21("6","1","2","6","5","7","7","1") = "6"
    & skf21("6","1","2","6","6","1","1","1") = "5"
    & skf21("6","1","2","6","6","1","2","1") = "5"
    & skf21("6","1","2","6","6","1","3","1") = "5"
    & skf21("6","1","2","6","6","1","4","1") = "5"
    & skf21("6","1","2","6","6","1","5","1") = "5"
    & skf21("6","1","2","6","6","1","6","1") = "5"
    & skf21("6","1","2","6","6","1","7","1") = "6"
    & skf21("6","1","2","6","6","2","1","1") = "5"
    & skf21("6","1","2","6","6","2","2","1") = "5"
    & skf21("6","1","2","6","6","2","3","1") = "5"
    & skf21("6","1","2","6","6","2","4","1") = "5"
    & skf21("6","1","2","6","6","2","5","1") = "5"
    & skf21("6","1","2","6","6","2","6","1") = "5"
    & skf21("6","1","2","6","6","2","7","1") = "6"
    & skf21("6","1","2","6","6","3","1","1") = "5"
    & skf21("6","1","2","6","6","3","2","1") = "5"
    & skf21("6","1","2","6","6","3","3","1") = "5"
    & skf21("6","1","2","6","6","3","4","1") = "5"
    & skf21("6","1","2","6","6","3","5","1") = "5"
    & skf21("6","1","2","6","6","3","6","1") = "5"
    & skf21("6","1","2","6","6","3","7","1") = "6"
    & skf21("6","1","2","6","6","4","1","1") = "5"
    & skf21("6","1","2","6","6","4","2","1") = "5"
    & skf21("6","1","2","6","6","4","3","1") = "5"
    & skf21("6","1","2","6","6","4","4","1") = "5"
    & skf21("6","1","2","6","6","4","5","1") = "5"
    & skf21("6","1","2","6","6","4","6","1") = "5"
    & skf21("6","1","2","6","6","4","7","1") = "6"
    & skf21("6","1","2","6","6","5","1","1") = "5"
    & skf21("6","1","2","6","6","5","2","1") = "5"
    & skf21("6","1","2","6","6","5","3","1") = "5"
    & skf21("6","1","2","6","6","5","4","1") = "5"
    & skf21("6","1","2","6","6","5","5","1") = "5"
    & skf21("6","1","2","6","6","5","6","1") = "5"
    & skf21("6","1","2","6","6","5","7","1") = "6"
    & skf21("6","1","2","6","6","6","1","1") = "5"
    & skf21("6","1","2","6","6","6","2","1") = "5"
    & skf21("6","1","2","6","6","6","3","1") = "5"
    & skf21("6","1","2","6","6","6","4","1") = "5"
    & skf21("6","1","2","6","6","6","5","1") = "5"
    & skf21("6","1","2","6","6","6","6","1") = "5"
    & skf21("6","1","2","6","6","6","7","1") = "6"
    & skf21("6","1","2","6","6","7","1","1") = "6"
    & skf21("6","1","2","6","6","7","2","1") = "6"
    & skf21("6","1","2","6","6","7","3","1") = "6"
    & skf21("6","1","2","6","6","7","4","1") = "6"
    & skf21("6","1","2","6","6","7","5","1") = "6"
    & skf21("6","1","2","6","6","7","6","1") = "6"
    & skf21("6","1","2","6","6","7","7","1") = "6"
    & skf21("6","1","2","6","7","1","1","1") = "6"
    & skf21("6","1","2","6","7","1","2","1") = "6"
    & skf21("6","1","2","6","7","1","3","1") = "6"
    & skf21("6","1","2","6","7","1","4","1") = "6"
    & skf21("6","1","2","6","7","1","5","1") = "6"
    & skf21("6","1","2","6","7","1","6","1") = "6"
    & skf21("6","1","2","6","7","1","7","1") = "6"
    & skf21("6","1","2","6","7","2","1","1") = "6"
    & skf21("6","1","2","6","7","2","2","1") = "6"
    & skf21("6","1","2","6","7","2","3","1") = "6"
    & skf21("6","1","2","6","7","2","4","1") = "6"
    & skf21("6","1","2","6","7","2","5","1") = "6"
    & skf21("6","1","2","6","7","2","6","1") = "6"
    & skf21("6","1","2","6","7","2","7","1") = "6"
    & skf21("6","1","2","6","7","3","1","1") = "6"
    & skf21("6","1","2","6","7","3","2","1") = "6"
    & skf21("6","1","2","6","7","3","3","1") = "6"
    & skf21("6","1","2","6","7","3","4","1") = "6"
    & skf21("6","1","2","6","7","3","5","1") = "6"
    & skf21("6","1","2","6","7","3","6","1") = "6"
    & skf21("6","1","2","6","7","3","7","1") = "6"
    & skf21("6","1","2","6","7","4","1","1") = "6"
    & skf21("6","1","2","6","7","4","2","1") = "6"
    & skf21("6","1","2","6","7","4","3","1") = "6"
    & skf21("6","1","2","6","7","4","4","1") = "6"
    & skf21("6","1","2","6","7","4","5","1") = "6"
    & skf21("6","1","2","6","7","4","6","1") = "6"
    & skf21("6","1","2","6","7","4","7","1") = "6"
    & skf21("6","1","2","6","7","5","1","1") = "6"
    & skf21("6","1","2","6","7","5","2","1") = "6"
    & skf21("6","1","2","6","7","5","3","1") = "6"
    & skf21("6","1","2","6","7","5","4","1") = "6"
    & skf21("6","1","2","6","7","5","5","1") = "6"
    & skf21("6","1","2","6","7","5","6","1") = "6"
    & skf21("6","1","2","6","7","5","7","1") = "6"
    & skf21("6","1","2","6","7","6","1","1") = "6"
    & skf21("6","1","2","6","7","6","2","1") = "6"
    & skf21("6","1","2","6","7","6","3","1") = "6"
    & skf21("6","1","2","6","7","6","4","1") = "6"
    & skf21("6","1","2","6","7","6","5","1") = "6"
    & skf21("6","1","2","6","7","6","6","1") = "6"
    & skf21("6","1","2","6","7","6","7","1") = "6"
    & skf21("6","1","2","6","7","7","1","1") = "6"
    & skf21("6","1","2","6","7","7","2","1") = "6"
    & skf21("6","1","2","6","7","7","3","1") = "6"
    & skf21("6","1","2","6","7","7","4","1") = "6"
    & skf21("6","1","2","6","7","7","5","1") = "6"
    & skf21("6","1","2","6","7","7","6","1") = "6"
    & skf21("6","1","2","6","7","7","7","1") = "6"
    & skf21("6","1","2","7","1","1","1","1") = "6"
    & skf21("6","1","2","7","1","1","2","1") = "6"
    & skf21("6","1","2","7","1","1","3","1") = "6"
    & skf21("6","1","2","7","1","1","4","1") = "6"
    & skf21("6","1","2","7","1","1","5","1") = "6"
    & skf21("6","1","2","7","1","1","6","1") = "6"
    & skf21("6","1","2","7","1","1","7","1") = "6"
    & skf21("6","1","2","7","1","2","1","1") = "6"
    & skf21("6","1","2","7","1","2","2","1") = "6"
    & skf21("6","1","2","7","1","2","3","1") = "6"
    & skf21("6","1","2","7","1","2","4","1") = "6"
    & skf21("6","1","2","7","1","2","5","1") = "6"
    & skf21("6","1","2","7","1","2","6","1") = "6"
    & skf21("6","1","2","7","1","2","7","1") = "6"
    & skf21("6","1","2","7","1","3","1","1") = "6"
    & skf21("6","1","2","7","1","3","2","1") = "6"
    & skf21("6","1","2","7","1","3","3","1") = "6"
    & skf21("6","1","2","7","1","3","4","1") = "6"
    & skf21("6","1","2","7","1","3","5","1") = "6"
    & skf21("6","1","2","7","1","3","6","1") = "6"
    & skf21("6","1","2","7","1","3","7","1") = "6"
    & skf21("6","1","2","7","1","4","1","1") = "6"
    & skf21("6","1","2","7","1","4","2","1") = "6"
    & skf21("6","1","2","7","1","4","3","1") = "6"
    & skf21("6","1","2","7","1","4","4","1") = "6"
    & skf21("6","1","2","7","1","4","5","1") = "6"
    & skf21("6","1","2","7","1","4","6","1") = "6"
    & skf21("6","1","2","7","1","4","7","1") = "6"
    & skf21("6","1","2","7","1","5","1","1") = "6"
    & skf21("6","1","2","7","1","5","2","1") = "6"
    & skf21("6","1","2","7","1","5","3","1") = "6"
    & skf21("6","1","2","7","1","5","4","1") = "6"
    & skf21("6","1","2","7","1","5","5","1") = "6"
    & skf21("6","1","2","7","1","5","6","1") = "6"
    & skf21("6","1","2","7","1","5","7","1") = "6"
    & skf21("6","1","2","7","1","6","1","1") = "6"
    & skf21("6","1","2","7","1","6","2","1") = "6"
    & skf21("6","1","2","7","1","6","3","1") = "6"
    & skf21("6","1","2","7","1","6","4","1") = "6"
    & skf21("6","1","2","7","1","6","5","1") = "6"
    & skf21("6","1","2","7","1","6","6","1") = "6"
    & skf21("6","1","2","7","1","6","7","1") = "6"
    & skf21("6","1","2","7","1","7","1","1") = "6"
    & skf21("6","1","2","7","1","7","2","1") = "6"
    & skf21("6","1","2","7","1","7","3","1") = "6"
    & skf21("6","1","2","7","1","7","4","1") = "6"
    & skf21("6","1","2","7","1","7","5","1") = "6"
    & skf21("6","1","2","7","1","7","6","1") = "6"
    & skf21("6","1","2","7","1","7","7","1") = "6"
    & skf21("6","1","2","7","2","1","1","1") = "6"
    & skf21("6","1","2","7","2","1","2","1") = "6"
    & skf21("6","1","2","7","2","1","3","1") = "6"
    & skf21("6","1","2","7","2","1","4","1") = "6"
    & skf21("6","1","2","7","2","1","5","1") = "6"
    & skf21("6","1","2","7","2","1","6","1") = "6"
    & skf21("6","1","2","7","2","1","7","1") = "6"
    & skf21("6","1","2","7","2","2","1","1") = "6"
    & skf21("6","1","2","7","2","2","2","1") = "6"
    & skf21("6","1","2","7","2","2","3","1") = "6"
    & skf21("6","1","2","7","2","2","4","1") = "6"
    & skf21("6","1","2","7","2","2","5","1") = "6"
    & skf21("6","1","2","7","2","2","6","1") = "6"
    & skf21("6","1","2","7","2","2","7","1") = "6"
    & skf21("6","1","2","7","2","3","1","1") = "6"
    & skf21("6","1","2","7","2","3","2","1") = "6"
    & skf21("6","1","2","7","2","3","3","1") = "6"
    & skf21("6","1","2","7","2","3","4","1") = "6"
    & skf21("6","1","2","7","2","3","5","1") = "6"
    & skf21("6","1","2","7","2","3","6","1") = "6"
    & skf21("6","1","2","7","2","3","7","1") = "6"
    & skf21("6","1","2","7","2","4","1","1") = "6"
    & skf21("6","1","2","7","2","4","2","1") = "6"
    & skf21("6","1","2","7","2","4","3","1") = "6"
    & skf21("6","1","2","7","2","4","4","1") = "6"
    & skf21("6","1","2","7","2","4","5","1") = "6"
    & skf21("6","1","2","7","2","4","6","1") = "6"
    & skf21("6","1","2","7","2","4","7","1") = "6"
    & skf21("6","1","2","7","2","5","1","1") = "6"
    & skf21("6","1","2","7","2","5","2","1") = "6"
    & skf21("6","1","2","7","2","5","3","1") = "6"
    & skf21("6","1","2","7","2","5","4","1") = "6"
    & skf21("6","1","2","7","2","5","5","1") = "6"
    & skf21("6","1","2","7","2","5","6","1") = "6"
    & skf21("6","1","2","7","2","5","7","1") = "6"
    & skf21("6","1","2","7","2","6","1","1") = "6"
    & skf21("6","1","2","7","2","6","2","1") = "6"
    & skf21("6","1","2","7","2","6","3","1") = "6"
    & skf21("6","1","2","7","2","6","4","1") = "6"
    & skf21("6","1","2","7","2","6","5","1") = "6"
    & skf21("6","1","2","7","2","6","6","1") = "6"
    & skf21("6","1","2","7","2","6","7","1") = "6"
    & skf21("6","1","2","7","2","7","1","1") = "6"
    & skf21("6","1","2","7","2","7","2","1") = "6"
    & skf21("6","1","2","7","2","7","3","1") = "6"
    & skf21("6","1","2","7","2","7","4","1") = "6"
    & skf21("6","1","2","7","2","7","5","1") = "6"
    & skf21("6","1","2","7","2","7","6","1") = "6"
    & skf21("6","1","2","7","2","7","7","1") = "6"
    & skf21("6","1","2","7","3","1","1","1") = "6"
    & skf21("6","1","2","7","3","1","2","1") = "6"
    & skf21("6","1","2","7","3","1","3","1") = "6"
    & skf21("6","1","2","7","3","1","4","1") = "6"
    & skf21("6","1","2","7","3","1","5","1") = "6"
    & skf21("6","1","2","7","3","1","6","1") = "6"
    & skf21("6","1","2","7","3","1","7","1") = "6"
    & skf21("6","1","2","7","3","2","1","1") = "6"
    & skf21("6","1","2","7","3","2","2","1") = "6"
    & skf21("6","1","2","7","3","2","3","1") = "6"
    & skf21("6","1","2","7","3","2","4","1") = "6"
    & skf21("6","1","2","7","3","2","5","1") = "6"
    & skf21("6","1","2","7","3","2","6","1") = "6"
    & skf21("6","1","2","7","3","2","7","1") = "6"
    & skf21("6","1","2","7","3","3","1","1") = "6"
    & skf21("6","1","2","7","3","3","2","1") = "6"
    & skf21("6","1","2","7","3","3","3","1") = "6"
    & skf21("6","1","2","7","3","3","4","1") = "6"
    & skf21("6","1","2","7","3","3","5","1") = "6"
    & skf21("6","1","2","7","3","3","6","1") = "6"
    & skf21("6","1","2","7","3","3","7","1") = "6"
    & skf21("6","1","2","7","3","4","1","1") = "6"
    & skf21("6","1","2","7","3","4","2","1") = "6"
    & skf21("6","1","2","7","3","4","3","1") = "6"
    & skf21("6","1","2","7","3","4","4","1") = "6"
    & skf21("6","1","2","7","3","4","5","1") = "6"
    & skf21("6","1","2","7","3","4","6","1") = "6"
    & skf21("6","1","2","7","3","4","7","1") = "6"
    & skf21("6","1","2","7","3","5","1","1") = "6"
    & skf21("6","1","2","7","3","5","2","1") = "6"
    & skf21("6","1","2","7","3","5","3","1") = "6"
    & skf21("6","1","2","7","3","5","4","1") = "6"
    & skf21("6","1","2","7","3","5","5","1") = "6"
    & skf21("6","1","2","7","3","5","6","1") = "6"
    & skf21("6","1","2","7","3","5","7","1") = "6"
    & skf21("6","1","2","7","3","6","1","1") = "6"
    & skf21("6","1","2","7","3","6","2","1") = "6"
    & skf21("6","1","2","7","3","6","3","1") = "6"
    & skf21("6","1","2","7","3","6","4","1") = "6"
    & skf21("6","1","2","7","3","6","5","1") = "6"
    & skf21("6","1","2","7","3","6","6","1") = "6"
    & skf21("6","1","2","7","3","6","7","1") = "6"
    & skf21("6","1","2","7","3","7","1","1") = "6"
    & skf21("6","1","2","7","3","7","2","1") = "6"
    & skf21("6","1","2","7","3","7","3","1") = "6"
    & skf21("6","1","2","7","3","7","4","1") = "6"
    & skf21("6","1","2","7","3","7","5","1") = "6"
    & skf21("6","1","2","7","3","7","6","1") = "6"
    & skf21("6","1","2","7","3","7","7","1") = "6"
    & skf21("6","1","2","7","4","1","1","1") = "6"
    & skf21("6","1","2","7","4","1","2","1") = "6"
    & skf21("6","1","2","7","4","1","3","1") = "6"
    & skf21("6","1","2","7","4","1","4","1") = "6"
    & skf21("6","1","2","7","4","1","5","1") = "6"
    & skf21("6","1","2","7","4","1","6","1") = "6"
    & skf21("6","1","2","7","4","1","7","1") = "6"
    & skf21("6","1","2","7","4","2","1","1") = "6"
    & skf21("6","1","2","7","4","2","2","1") = "6"
    & skf21("6","1","2","7","4","2","3","1") = "6"
    & skf21("6","1","2","7","4","2","4","1") = "6"
    & skf21("6","1","2","7","4","2","5","1") = "6"
    & skf21("6","1","2","7","4","2","6","1") = "6"
    & skf21("6","1","2","7","4","2","7","1") = "6"
    & skf21("6","1","2","7","4","3","1","1") = "6"
    & skf21("6","1","2","7","4","3","2","1") = "6"
    & skf21("6","1","2","7","4","3","3","1") = "6"
    & skf21("6","1","2","7","4","3","4","1") = "6"
    & skf21("6","1","2","7","4","3","5","1") = "6"
    & skf21("6","1","2","7","4","3","6","1") = "6"
    & skf21("6","1","2","7","4","3","7","1") = "6"
    & skf21("6","1","2","7","4","4","1","1") = "6"
    & skf21("6","1","2","7","4","4","2","1") = "6"
    & skf21("6","1","2","7","4","4","3","1") = "6"
    & skf21("6","1","2","7","4","4","4","1") = "6"
    & skf21("6","1","2","7","4","4","5","1") = "6"
    & skf21("6","1","2","7","4","4","6","1") = "6"
    & skf21("6","1","2","7","4","4","7","1") = "6"
    & skf21("6","1","2","7","4","5","1","1") = "6"
    & skf21("6","1","2","7","4","5","2","1") = "6"
    & skf21("6","1","2","7","4","5","3","1") = "6"
    & skf21("6","1","2","7","4","5","4","1") = "6"
    & skf21("6","1","2","7","4","5","5","1") = "6"
    & skf21("6","1","2","7","4","5","6","1") = "6"
    & skf21("6","1","2","7","4","5","7","1") = "6"
    & skf21("6","1","2","7","4","6","1","1") = "6"
    & skf21("6","1","2","7","4","6","2","1") = "6"
    & skf21("6","1","2","7","4","6","3","1") = "6"
    & skf21("6","1","2","7","4","6","4","1") = "6"
    & skf21("6","1","2","7","4","6","5","1") = "6"
    & skf21("6","1","2","7","4","6","6","1") = "6"
    & skf21("6","1","2","7","4","6","7","1") = "6"
    & skf21("6","1","2","7","4","7","1","1") = "6"
    & skf21("6","1","2","7","4","7","2","1") = "6"
    & skf21("6","1","2","7","4","7","3","1") = "6"
    & skf21("6","1","2","7","4","7","4","1") = "6"
    & skf21("6","1","2","7","4","7","5","1") = "6"
    & skf21("6","1","2","7","4","7","6","1") = "6"
    & skf21("6","1","2","7","4","7","7","1") = "6"
    & skf21("6","1","2","7","5","1","1","1") = "6"
    & skf21("6","1","2","7","5","1","2","1") = "6"
    & skf21("6","1","2","7","5","1","3","1") = "6"
    & skf21("6","1","2","7","5","1","4","1") = "6"
    & skf21("6","1","2","7","5","1","5","1") = "6"
    & skf21("6","1","2","7","5","1","6","1") = "6"
    & skf21("6","1","2","7","5","1","7","1") = "6"
    & skf21("6","1","2","7","5","2","1","1") = "6"
    & skf21("6","1","2","7","5","2","2","1") = "6"
    & skf21("6","1","2","7","5","2","3","1") = "6"
    & skf21("6","1","2","7","5","2","4","1") = "6"
    & skf21("6","1","2","7","5","2","5","1") = "6"
    & skf21("6","1","2","7","5","2","6","1") = "6"
    & skf21("6","1","2","7","5","2","7","1") = "6"
    & skf21("6","1","2","7","5","3","1","1") = "6"
    & skf21("6","1","2","7","5","3","2","1") = "6"
    & skf21("6","1","2","7","5","3","3","1") = "6"
    & skf21("6","1","2","7","5","3","4","1") = "6"
    & skf21("6","1","2","7","5","3","5","1") = "6"
    & skf21("6","1","2","7","5","3","6","1") = "6"
    & skf21("6","1","2","7","5","3","7","1") = "6"
    & skf21("6","1","2","7","5","4","1","1") = "6"
    & skf21("6","1","2","7","5","4","2","1") = "6"
    & skf21("6","1","2","7","5","4","3","1") = "6"
    & skf21("6","1","2","7","5","4","4","1") = "6"
    & skf21("6","1","2","7","5","4","5","1") = "6"
    & skf21("6","1","2","7","5","4","6","1") = "6"
    & skf21("6","1","2","7","5","4","7","1") = "6"
    & skf21("6","1","2","7","5","5","1","1") = "6"
    & skf21("6","1","2","7","5","5","2","1") = "6"
    & skf21("6","1","2","7","5","5","3","1") = "6"
    & skf21("6","1","2","7","5","5","4","1") = "6"
    & skf21("6","1","2","7","5","5","5","1") = "6"
    & skf21("6","1","2","7","5","5","6","1") = "6"
    & skf21("6","1","2","7","5","5","7","1") = "6"
    & skf21("6","1","2","7","5","6","1","1") = "6"
    & skf21("6","1","2","7","5","6","2","1") = "6"
    & skf21("6","1","2","7","5","6","3","1") = "6"
    & skf21("6","1","2","7","5","6","4","1") = "6"
    & skf21("6","1","2","7","5","6","5","1") = "6"
    & skf21("6","1","2","7","5","6","6","1") = "6"
    & skf21("6","1","2","7","5","6","7","1") = "6"
    & skf21("6","1","2","7","5","7","1","1") = "6"
    & skf21("6","1","2","7","5","7","2","1") = "6"
    & skf21("6","1","2","7","5","7","3","1") = "6"
    & skf21("6","1","2","7","5","7","4","1") = "6"
    & skf21("6","1","2","7","5","7","5","1") = "6"
    & skf21("6","1","2","7","5","7","6","1") = "6"
    & skf21("6","1","2","7","5","7","7","1") = "6"
    & skf21("6","1","2","7","6","1","1","1") = "6"
    & skf21("6","1","2","7","6","1","2","1") = "6"
    & skf21("6","1","2","7","6","1","3","1") = "6"
    & skf21("6","1","2","7","6","1","4","1") = "6"
    & skf21("6","1","2","7","6","1","5","1") = "6"
    & skf21("6","1","2","7","6","1","6","1") = "6"
    & skf21("6","1","2","7","6","1","7","1") = "6"
    & skf21("6","1","2","7","6","2","1","1") = "6"
    & skf21("6","1","2","7","6","2","2","1") = "6"
    & skf21("6","1","2","7","6","2","3","1") = "6"
    & skf21("6","1","2","7","6","2","4","1") = "6"
    & skf21("6","1","2","7","6","2","5","1") = "6"
    & skf21("6","1","2","7","6","2","6","1") = "6"
    & skf21("6","1","2","7","6","2","7","1") = "6"
    & skf21("6","1","2","7","6","3","1","1") = "6"
    & skf21("6","1","2","7","6","3","2","1") = "6"
    & skf21("6","1","2","7","6","3","3","1") = "6"
    & skf21("6","1","2","7","6","3","4","1") = "6"
    & skf21("6","1","2","7","6","3","5","1") = "6"
    & skf21("6","1","2","7","6","3","6","1") = "6"
    & skf21("6","1","2","7","6","3","7","1") = "6"
    & skf21("6","1","2","7","6","4","1","1") = "6"
    & skf21("6","1","2","7","6","4","2","1") = "6"
    & skf21("6","1","2","7","6","4","3","1") = "6"
    & skf21("6","1","2","7","6","4","4","1") = "6"
    & skf21("6","1","2","7","6","4","5","1") = "6"
    & skf21("6","1","2","7","6","4","6","1") = "6"
    & skf21("6","1","2","7","6","4","7","1") = "6"
    & skf21("6","1","2","7","6","5","1","1") = "6"
    & skf21("6","1","2","7","6","5","2","1") = "6"
    & skf21("6","1","2","7","6","5","3","1") = "6"
    & skf21("6","1","2","7","6","5","4","1") = "6"
    & skf21("6","1","2","7","6","5","5","1") = "6"
    & skf21("6","1","2","7","6","5","6","1") = "6"
    & skf21("6","1","2","7","6","5","7","1") = "6"
    & skf21("6","1","2","7","6","6","1","1") = "6"
    & skf21("6","1","2","7","6","6","2","1") = "6"
    & skf21("6","1","2","7","6","6","3","1") = "6"
    & skf21("6","1","2","7","6","6","4","1") = "6"
    & skf21("6","1","2","7","6","6","5","1") = "6"
    & skf21("6","1","2","7","6","6","6","1") = "6"
    & skf21("6","1","2","7","6","6","7","1") = "6"
    & skf21("6","1","2","7","6","7","1","1") = "6"
    & skf21("6","1","2","7","6","7","2","1") = "6"
    & skf21("6","1","2","7","6","7","3","1") = "6"
    & skf21("6","1","2","7","6","7","4","1") = "6"
    & skf21("6","1","2","7","6","7","5","1") = "6"
    & skf21("6","1","2","7","6","7","6","1") = "6"
    & skf21("6","1","2","7","6","7","7","1") = "6"
    & skf21("6","1","2","7","7","1","1","1") = "6"
    & skf21("6","1","2","7","7","1","2","1") = "6"
    & skf21("6","1","2","7","7","1","3","1") = "6"
    & skf21("6","1","2","7","7","1","4","1") = "6"
    & skf21("6","1","2","7","7","1","5","1") = "6"
    & skf21("6","1","2","7","7","1","6","1") = "6"
    & skf21("6","1","2","7","7","1","7","1") = "6"
    & skf21("6","1","2","7","7","2","1","1") = "6"
    & skf21("6","1","2","7","7","2","2","1") = "6"
    & skf21("6","1","2","7","7","2","3","1") = "6"
    & skf21("6","1","2","7","7","2","4","1") = "6"
    & skf21("6","1","2","7","7","2","5","1") = "6"
    & skf21("6","1","2","7","7","2","6","1") = "6"
    & skf21("6","1","2","7","7","2","7","1") = "6"
    & skf21("6","1","2","7","7","3","1","1") = "6"
    & skf21("6","1","2","7","7","3","2","1") = "6"
    & skf21("6","1","2","7","7","3","3","1") = "6"
    & skf21("6","1","2","7","7","3","4","1") = "6"
    & skf21("6","1","2","7","7","3","5","1") = "6"
    & skf21("6","1","2","7","7","3","6","1") = "6"
    & skf21("6","1","2","7","7","3","7","1") = "6"
    & skf21("6","1","2","7","7","4","1","1") = "6"
    & skf21("6","1","2","7","7","4","2","1") = "6"
    & skf21("6","1","2","7","7","4","3","1") = "6"
    & skf21("6","1","2","7","7","4","4","1") = "6"
    & skf21("6","1","2","7","7","4","5","1") = "6"
    & skf21("6","1","2","7","7","4","6","1") = "6"
    & skf21("6","1","2","7","7","4","7","1") = "6"
    & skf21("6","1","2","7","7","5","1","1") = "6"
    & skf21("6","1","2","7","7","5","2","1") = "6"
    & skf21("6","1","2","7","7","5","3","1") = "6"
    & skf21("6","1","2","7","7","5","4","1") = "6"
    & skf21("6","1","2","7","7","5","5","1") = "6"
    & skf21("6","1","2","7","7","5","6","1") = "6"
    & skf21("6","1","2","7","7","5","7","1") = "6"
    & skf21("6","1","2","7","7","6","1","1") = "6"
    & skf21("6","1","2","7","7","6","2","1") = "6"
    & skf21("6","1","2","7","7","6","3","1") = "6"
    & skf21("6","1","2","7","7","6","4","1") = "6"
    & skf21("6","1","2","7","7","6","5","1") = "6"
    & skf21("6","1","2","7","7","6","6","1") = "6"
    & skf21("6","1","2","7","7","6","7","1") = "6"
    & skf21("6","1","2","7","7","7","1","1") = "6"
    & skf21("6","1","2","7","7","7","2","1") = "6"
    & skf21("6","1","2","7","7","7","3","1") = "6"
    & skf21("6","1","2","7","7","7","4","1") = "6"
    & skf21("6","1","2","7","7","7","5","1") = "6"
    & skf21("6","1","2","7","7","7","6","1") = "6"
    & skf21("6","1","2","7","7","7","7","1") = "6"
    & skf21("6","1","3","1","1","1","1","1") = "5"
    & skf21("6","1","3","1","1","1","2","1") = "5"
    & skf21("6","1","3","1","1","1","3","1") = "5"
    & skf21("6","1","3","1","1","1","4","1") = "5"
    & skf21("6","1","3","1","1","1","5","1") = "5"
    & skf21("6","1","3","1","1","1","6","1") = "5"
    & skf21("6","1","3","1","1","1","7","1") = "6"
    & skf21("6","1","3","1","1","2","1","1") = "5"
    & skf21("6","1","3","1","1","2","2","1") = "5"
    & skf21("6","1","3","1","1","2","3","1") = "5"
    & skf21("6","1","3","1","1","2","4","1") = "5"
    & skf21("6","1","3","1","1","2","5","1") = "5"
    & skf21("6","1","3","1","1","2","6","1") = "5"
    & skf21("6","1","3","1","1","2","7","1") = "6"
    & skf21("6","1","3","1","1","3","1","1") = "5"
    & skf21("6","1","3","1","1","3","2","1") = "5"
    & skf21("6","1","3","1","1","3","3","1") = "5"
    & skf21("6","1","3","1","1","3","4","1") = "5"
    & skf21("6","1","3","1","1","3","5","1") = "5"
    & skf21("6","1","3","1","1","3","6","1") = "5"
    & skf21("6","1","3","1","1","3","7","1") = "6"
    & skf21("6","1","3","1","1","4","1","1") = "5"
    & skf21("6","1","3","1","1","4","2","1") = "5"
    & skf21("6","1","3","1","1","4","3","1") = "5"
    & skf21("6","1","3","1","1","4","4","1") = "5"
    & skf21("6","1","3","1","1","4","5","1") = "5"
    & skf21("6","1","3","1","1","4","6","1") = "5"
    & skf21("6","1","3","1","1","4","7","1") = "6"
    & skf21("6","1","3","1","1","5","1","1") = "5"
    & skf21("6","1","3","1","1","5","2","1") = "5"
    & skf21("6","1","3","1","1","5","3","1") = "5"
    & skf21("6","1","3","1","1","5","4","1") = "5"
    & skf21("6","1","3","1","1","5","5","1") = "5"
    & skf21("6","1","3","1","1","5","6","1") = "5"
    & skf21("6","1","3","1","1","5","7","1") = "6"
    & skf21("6","1","3","1","1","6","1","1") = "5"
    & skf21("6","1","3","1","1","6","2","1") = "5"
    & skf21("6","1","3","1","1","6","3","1") = "5"
    & skf21("6","1","3","1","1","6","4","1") = "5"
    & skf21("6","1","3","1","1","6","5","1") = "5"
    & skf21("6","1","3","1","1","6","6","1") = "5"
    & skf21("6","1","3","1","1","6","7","1") = "6"
    & skf21("6","1","3","1","1","7","1","1") = "6"
    & skf21("6","1","3","1","1","7","2","1") = "6"
    & skf21("6","1","3","1","1","7","3","1") = "6"
    & skf21("6","1","3","1","1","7","4","1") = "6"
    & skf21("6","1","3","1","1","7","5","1") = "6"
    & skf21("6","1","3","1","1","7","6","1") = "6"
    & skf21("6","1","3","1","1","7","7","1") = "6"
    & skf21("6","1","3","1","2","1","1","1") = "5"
    & skf21("6","1","3","1","2","1","2","1") = "5"
    & skf21("6","1","3","1","2","1","3","1") = "5"
    & skf21("6","1","3","1","2","1","4","1") = "5"
    & skf21("6","1","3","1","2","1","5","1") = "5"
    & skf21("6","1","3","1","2","1","6","1") = "5"
    & skf21("6","1","3","1","2","1","7","1") = "6"
    & skf21("6","1","3","1","2","2","1","1") = "5"
    & skf21("6","1","3","1","2","2","2","1") = "5"
    & skf21("6","1","3","1","2","2","3","1") = "5"
    & skf21("6","1","3","1","2","2","4","1") = "5"
    & skf21("6","1","3","1","2","2","5","1") = "5"
    & skf21("6","1","3","1","2","2","6","1") = "5"
    & skf21("6","1","3","1","2","2","7","1") = "6"
    & skf21("6","1","3","1","2","3","1","1") = "5"
    & skf21("6","1","3","1","2","3","2","1") = "5"
    & skf21("6","1","3","1","2","3","3","1") = "5"
    & skf21("6","1","3","1","2","3","4","1") = "5"
    & skf21("6","1","3","1","2","3","5","1") = "5"
    & skf21("6","1","3","1","2","3","6","1") = "5"
    & skf21("6","1","3","1","2","3","7","1") = "6"
    & skf21("6","1","3","1","2","4","1","1") = "5"
    & skf21("6","1","3","1","2","4","2","1") = "5"
    & skf21("6","1","3","1","2","4","3","1") = "5"
    & skf21("6","1","3","1","2","4","4","1") = "5"
    & skf21("6","1","3","1","2","4","5","1") = "5"
    & skf21("6","1","3","1","2","4","6","1") = "5"
    & skf21("6","1","3","1","2","4","7","1") = "6"
    & skf21("6","1","3","1","2","5","1","1") = "5"
    & skf21("6","1","3","1","2","5","2","1") = "5"
    & skf21("6","1","3","1","2","5","3","1") = "5"
    & skf21("6","1","3","1","2","5","4","1") = "5"
    & skf21("6","1","3","1","2","5","5","1") = "5"
    & skf21("6","1","3","1","2","5","6","1") = "5"
    & skf21("6","1","3","1","2","5","7","1") = "6"
    & skf21("6","1","3","1","2","6","1","1") = "5"
    & skf21("6","1","3","1","2","6","2","1") = "5"
    & skf21("6","1","3","1","2","6","3","1") = "5"
    & skf21("6","1","3","1","2","6","4","1") = "5"
    & skf21("6","1","3","1","2","6","5","1") = "5"
    & skf21("6","1","3","1","2","6","6","1") = "5"
    & skf21("6","1","3","1","2","6","7","1") = "6"
    & skf21("6","1","3","1","2","7","1","1") = "6"
    & skf21("6","1","3","1","2","7","2","1") = "6"
    & skf21("6","1","3","1","2","7","3","1") = "6"
    & skf21("6","1","3","1","2","7","4","1") = "6"
    & skf21("6","1","3","1","2","7","5","1") = "6"
    & skf21("6","1","3","1","2","7","6","1") = "6"
    & skf21("6","1","3","1","2","7","7","1") = "6"
    & skf21("6","1","3","1","3","1","1","1") = "5"
    & skf21("6","1","3","1","3","1","2","1") = "5"
    & skf21("6","1","3","1","3","1","3","1") = "5"
    & skf21("6","1","3","1","3","1","4","1") = "5"
    & skf21("6","1","3","1","3","1","5","1") = "5"
    & skf21("6","1","3","1","3","1","6","1") = "5"
    & skf21("6","1","3","1","3","1","7","1") = "6"
    & skf21("6","1","3","1","3","2","1","1") = "5"
    & skf21("6","1","3","1","3","2","2","1") = "5"
    & skf21("6","1","3","1","3","2","3","1") = "5"
    & skf21("6","1","3","1","3","2","4","1") = "5"
    & skf21("6","1","3","1","3","2","5","1") = "5"
    & skf21("6","1","3","1","3","2","6","1") = "5"
    & skf21("6","1","3","1","3","2","7","1") = "6"
    & skf21("6","1","3","1","3","3","1","1") = "5"
    & skf21("6","1","3","1","3","3","2","1") = "5"
    & skf21("6","1","3","1","3","3","3","1") = "5"
    & skf21("6","1","3","1","3","3","4","1") = "5"
    & skf21("6","1","3","1","3","3","5","1") = "5"
    & skf21("6","1","3","1","3","3","6","1") = "5"
    & skf21("6","1","3","1","3","3","7","1") = "6"
    & skf21("6","1","3","1","3","4","1","1") = "5"
    & skf21("6","1","3","1","3","4","2","1") = "5"
    & skf21("6","1","3","1","3","4","3","1") = "5"
    & skf21("6","1","3","1","3","4","4","1") = "5"
    & skf21("6","1","3","1","3","4","5","1") = "5"
    & skf21("6","1","3","1","3","4","6","1") = "5"
    & skf21("6","1","3","1","3","4","7","1") = "6"
    & skf21("6","1","3","1","3","5","1","1") = "5"
    & skf21("6","1","3","1","3","5","2","1") = "5"
    & skf21("6","1","3","1","3","5","3","1") = "5"
    & skf21("6","1","3","1","3","5","4","1") = "5"
    & skf21("6","1","3","1","3","5","5","1") = "5"
    & skf21("6","1","3","1","3","5","6","1") = "5"
    & skf21("6","1","3","1","3","5","7","1") = "6"
    & skf21("6","1","3","1","3","6","1","1") = "5"
    & skf21("6","1","3","1","3","6","2","1") = "5"
    & skf21("6","1","3","1","3","6","3","1") = "5"
    & skf21("6","1","3","1","3","6","4","1") = "5"
    & skf21("6","1","3","1","3","6","5","1") = "5"
    & skf21("6","1","3","1","3","6","6","1") = "5"
    & skf21("6","1","3","1","3","6","7","1") = "6"
    & skf21("6","1","3","1","3","7","1","1") = "6"
    & skf21("6","1","3","1","3","7","2","1") = "6"
    & skf21("6","1","3","1","3","7","3","1") = "6"
    & skf21("6","1","3","1","3","7","4","1") = "6"
    & skf21("6","1","3","1","3","7","5","1") = "6"
    & skf21("6","1","3","1","3","7","6","1") = "6"
    & skf21("6","1","3","1","3","7","7","1") = "6"
    & skf21("6","1","3","1","4","1","1","1") = "5"
    & skf21("6","1","3","1","4","1","2","1") = "5"
    & skf21("6","1","3","1","4","1","3","1") = "5"
    & skf21("6","1","3","1","4","1","4","1") = "5"
    & skf21("6","1","3","1","4","1","5","1") = "5"
    & skf21("6","1","3","1","4","1","6","1") = "5"
    & skf21("6","1","3","1","4","1","7","1") = "6"
    & skf21("6","1","3","1","4","2","1","1") = "5"
    & skf21("6","1","3","1","4","2","2","1") = "5"
    & skf21("6","1","3","1","4","2","3","1") = "5"
    & skf21("6","1","3","1","4","2","4","1") = "5"
    & skf21("6","1","3","1","4","2","5","1") = "5"
    & skf21("6","1","3","1","4","2","6","1") = "5"
    & skf21("6","1","3","1","4","2","7","1") = "6"
    & skf21("6","1","3","1","4","3","1","1") = "5"
    & skf21("6","1","3","1","4","3","2","1") = "5"
    & skf21("6","1","3","1","4","3","3","1") = "5"
    & skf21("6","1","3","1","4","3","4","1") = "5"
    & skf21("6","1","3","1","4","3","5","1") = "5"
    & skf21("6","1","3","1","4","3","6","1") = "5"
    & skf21("6","1","3","1","4","3","7","1") = "6"
    & skf21("6","1","3","1","4","4","1","1") = "5"
    & skf21("6","1","3","1","4","4","2","1") = "5"
    & skf21("6","1","3","1","4","4","3","1") = "5"
    & skf21("6","1","3","1","4","4","4","1") = "5"
    & skf21("6","1","3","1","4","4","5","1") = "5"
    & skf21("6","1","3","1","4","4","6","1") = "5"
    & skf21("6","1","3","1","4","4","7","1") = "6"
    & skf21("6","1","3","1","4","5","1","1") = "5"
    & skf21("6","1","3","1","4","5","2","1") = "5"
    & skf21("6","1","3","1","4","5","3","1") = "5"
    & skf21("6","1","3","1","4","5","4","1") = "5"
    & skf21("6","1","3","1","4","5","5","1") = "5"
    & skf21("6","1","3","1","4","5","6","1") = "5"
    & skf21("6","1","3","1","4","5","7","1") = "6"
    & skf21("6","1","3","1","4","6","1","1") = "5"
    & skf21("6","1","3","1","4","6","2","1") = "5"
    & skf21("6","1","3","1","4","6","3","1") = "5"
    & skf21("6","1","3","1","4","6","4","1") = "5"
    & skf21("6","1","3","1","4","6","5","1") = "5"
    & skf21("6","1","3","1","4","6","6","1") = "5"
    & skf21("6","1","3","1","4","6","7","1") = "6"
    & skf21("6","1","3","1","4","7","1","1") = "6"
    & skf21("6","1","3","1","4","7","2","1") = "6"
    & skf21("6","1","3","1","4","7","3","1") = "6"
    & skf21("6","1","3","1","4","7","4","1") = "6"
    & skf21("6","1","3","1","4","7","5","1") = "6"
    & skf21("6","1","3","1","4","7","6","1") = "6"
    & skf21("6","1","3","1","4","7","7","1") = "6"
    & skf21("6","1","3","1","5","1","1","1") = "5"
    & skf21("6","1","3","1","5","1","2","1") = "5"
    & skf21("6","1","3","1","5","1","3","1") = "5"
    & skf21("6","1","3","1","5","1","4","1") = "5"
    & skf21("6","1","3","1","5","1","5","1") = "5"
    & skf21("6","1","3","1","5","1","6","1") = "5"
    & skf21("6","1","3","1","5","1","7","1") = "6"
    & skf21("6","1","3","1","5","2","1","1") = "5"
    & skf21("6","1","3","1","5","2","2","1") = "5"
    & skf21("6","1","3","1","5","2","3","1") = "5"
    & skf21("6","1","3","1","5","2","4","1") = "5"
    & skf21("6","1","3","1","5","2","5","1") = "5"
    & skf21("6","1","3","1","5","2","6","1") = "5"
    & skf21("6","1","3","1","5","2","7","1") = "6"
    & skf21("6","1","3","1","5","3","1","1") = "5"
    & skf21("6","1","3","1","5","3","2","1") = "5"
    & skf21("6","1","3","1","5","3","3","1") = "5"
    & skf21("6","1","3","1","5","3","4","1") = "5"
    & skf21("6","1","3","1","5","3","5","1") = "5"
    & skf21("6","1","3","1","5","3","6","1") = "5"
    & skf21("6","1","3","1","5","3","7","1") = "6"
    & skf21("6","1","3","1","5","4","1","1") = "5"
    & skf21("6","1","3","1","5","4","2","1") = "5"
    & skf21("6","1","3","1","5","4","3","1") = "5"
    & skf21("6","1","3","1","5","4","4","1") = "5"
    & skf21("6","1","3","1","5","4","5","1") = "5"
    & skf21("6","1","3","1","5","4","6","1") = "5"
    & skf21("6","1","3","1","5","4","7","1") = "6"
    & skf21("6","1","3","1","5","5","1","1") = "5"
    & skf21("6","1","3","1","5","5","2","1") = "5"
    & skf21("6","1","3","1","5","5","3","1") = "5"
    & skf21("6","1","3","1","5","5","4","1") = "5"
    & skf21("6","1","3","1","5","5","5","1") = "5"
    & skf21("6","1","3","1","5","5","6","1") = "5"
    & skf21("6","1","3","1","5","5","7","1") = "6"
    & skf21("6","1","3","1","5","6","1","1") = "5"
    & skf21("6","1","3","1","5","6","2","1") = "5"
    & skf21("6","1","3","1","5","6","3","1") = "5"
    & skf21("6","1","3","1","5","6","4","1") = "5"
    & skf21("6","1","3","1","5","6","5","1") = "5"
    & skf21("6","1","3","1","5","6","6","1") = "5"
    & skf21("6","1","3","1","5","6","7","1") = "6"
    & skf21("6","1","3","1","5","7","1","1") = "6"
    & skf21("6","1","3","1","5","7","2","1") = "6"
    & skf21("6","1","3","1","5","7","3","1") = "6"
    & skf21("6","1","3","1","5","7","4","1") = "6"
    & skf21("6","1","3","1","5","7","5","1") = "6"
    & skf21("6","1","3","1","5","7","6","1") = "6"
    & skf21("6","1","3","1","5","7","7","1") = "6"
    & skf21("6","1","3","1","6","1","1","1") = "5"
    & skf21("6","1","3","1","6","1","2","1") = "5"
    & skf21("6","1","3","1","6","1","3","1") = "5"
    & skf21("6","1","3","1","6","1","4","1") = "5"
    & skf21("6","1","3","1","6","1","5","1") = "5"
    & skf21("6","1","3","1","6","1","6","1") = "5"
    & skf21("6","1","3","1","6","1","7","1") = "6"
    & skf21("6","1","3","1","6","2","1","1") = "5"
    & skf21("6","1","3","1","6","2","2","1") = "5"
    & skf21("6","1","3","1","6","2","3","1") = "5"
    & skf21("6","1","3","1","6","2","4","1") = "5"
    & skf21("6","1","3","1","6","2","5","1") = "5"
    & skf21("6","1","3","1","6","2","6","1") = "5"
    & skf21("6","1","3","1","6","2","7","1") = "6"
    & skf21("6","1","3","1","6","3","1","1") = "5"
    & skf21("6","1","3","1","6","3","2","1") = "5"
    & skf21("6","1","3","1","6","3","3","1") = "5"
    & skf21("6","1","3","1","6","3","4","1") = "5"
    & skf21("6","1","3","1","6","3","5","1") = "5"
    & skf21("6","1","3","1","6","3","6","1") = "5"
    & skf21("6","1","3","1","6","3","7","1") = "6"
    & skf21("6","1","3","1","6","4","1","1") = "5"
    & skf21("6","1","3","1","6","4","2","1") = "5"
    & skf21("6","1","3","1","6","4","3","1") = "5"
    & skf21("6","1","3","1","6","4","4","1") = "5"
    & skf21("6","1","3","1","6","4","5","1") = "5"
    & skf21("6","1","3","1","6","4","6","1") = "5"
    & skf21("6","1","3","1","6","4","7","1") = "6"
    & skf21("6","1","3","1","6","5","1","1") = "5"
    & skf21("6","1","3","1","6","5","2","1") = "5"
    & skf21("6","1","3","1","6","5","3","1") = "5"
    & skf21("6","1","3","1","6","5","4","1") = "5"
    & skf21("6","1","3","1","6","5","5","1") = "5"
    & skf21("6","1","3","1","6","5","6","1") = "5"
    & skf21("6","1","3","1","6","5","7","1") = "6"
    & skf21("6","1","3","1","6","6","1","1") = "5"
    & skf21("6","1","3","1","6","6","2","1") = "5"
    & skf21("6","1","3","1","6","6","3","1") = "5"
    & skf21("6","1","3","1","6","6","4","1") = "5"
    & skf21("6","1","3","1","6","6","5","1") = "5"
    & skf21("6","1","3","1","6","6","6","1") = "5"
    & skf21("6","1","3","1","6","6","7","1") = "6"
    & skf21("6","1","3","1","6","7","1","1") = "6"
    & skf21("6","1","3","1","6","7","2","1") = "6"
    & skf21("6","1","3","1","6","7","3","1") = "6"
    & skf21("6","1","3","1","6","7","4","1") = "6"
    & skf21("6","1","3","1","6","7","5","1") = "6"
    & skf21("6","1","3","1","6","7","6","1") = "6"
    & skf21("6","1","3","1","6","7","7","1") = "6"
    & skf21("6","1","3","1","7","1","1","1") = "6"
    & skf21("6","1","3","1","7","1","2","1") = "6"
    & skf21("6","1","3","1","7","1","3","1") = "6"
    & skf21("6","1","3","1","7","1","4","1") = "6"
    & skf21("6","1","3","1","7","1","5","1") = "6"
    & skf21("6","1","3","1","7","1","6","1") = "6"
    & skf21("6","1","3","1","7","1","7","1") = "6"
    & skf21("6","1","3","1","7","2","1","1") = "6"
    & skf21("6","1","3","1","7","2","2","1") = "6"
    & skf21("6","1","3","1","7","2","3","1") = "6"
    & skf21("6","1","3","1","7","2","4","1") = "6"
    & skf21("6","1","3","1","7","2","5","1") = "6"
    & skf21("6","1","3","1","7","2","6","1") = "6"
    & skf21("6","1","3","1","7","2","7","1") = "6"
    & skf21("6","1","3","1","7","3","1","1") = "6"
    & skf21("6","1","3","1","7","3","2","1") = "6"
    & skf21("6","1","3","1","7","3","3","1") = "6"
    & skf21("6","1","3","1","7","3","4","1") = "6"
    & skf21("6","1","3","1","7","3","5","1") = "6"
    & skf21("6","1","3","1","7","3","6","1") = "6"
    & skf21("6","1","3","1","7","3","7","1") = "6"
    & skf21("6","1","3","1","7","4","1","1") = "6"
    & skf21("6","1","3","1","7","4","2","1") = "6"
    & skf21("6","1","3","1","7","4","3","1") = "6"
    & skf21("6","1","3","1","7","4","4","1") = "6"
    & skf21("6","1","3","1","7","4","5","1") = "6"
    & skf21("6","1","3","1","7","4","6","1") = "6"
    & skf21("6","1","3","1","7","4","7","1") = "6"
    & skf21("6","1","3","1","7","5","1","1") = "6"
    & skf21("6","1","3","1","7","5","2","1") = "6"
    & skf21("6","1","3","1","7","5","3","1") = "6"
    & skf21("6","1","3","1","7","5","4","1") = "6"
    & skf21("6","1","3","1","7","5","5","1") = "6"
    & skf21("6","1","3","1","7","5","6","1") = "6"
    & skf21("6","1","3","1","7","5","7","1") = "6"
    & skf21("6","1","3","1","7","6","1","1") = "6"
    & skf21("6","1","3","1","7","6","2","1") = "6"
    & skf21("6","1","3","1","7","6","3","1") = "6"
    & skf21("6","1","3","1","7","6","4","1") = "6"
    & skf21("6","1","3","1","7","6","5","1") = "6"
    & skf21("6","1","3","1","7","6","6","1") = "6"
    & skf21("6","1","3","1","7","6","7","1") = "6"
    & skf21("6","1","3","1","7","7","1","1") = "6"
    & skf21("6","1","3","1","7","7","2","1") = "6"
    & skf21("6","1","3","1","7","7","3","1") = "6"
    & skf21("6","1","3","1","7","7","4","1") = "6"
    & skf21("6","1","3","1","7","7","5","1") = "6"
    & skf21("6","1","3","1","7","7","6","1") = "6"
    & skf21("6","1","3","1","7","7","7","1") = "6"
    & skf21("6","1","3","2","1","1","1","1") = "5"
    & skf21("6","1","3","2","1","1","2","1") = "5"
    & skf21("6","1","3","2","1","1","3","1") = "5"
    & skf21("6","1","3","2","1","1","4","1") = "5"
    & skf21("6","1","3","2","1","1","5","1") = "5"
    & skf21("6","1","3","2","1","1","6","1") = "5"
    & skf21("6","1","3","2","1","1","7","1") = "6"
    & skf21("6","1","3","2","1","2","1","1") = "5"
    & skf21("6","1","3","2","1","2","2","1") = "5"
    & skf21("6","1","3","2","1","2","3","1") = "5"
    & skf21("6","1","3","2","1","2","4","1") = "5"
    & skf21("6","1","3","2","1","2","5","1") = "5"
    & skf21("6","1","3","2","1","2","6","1") = "5"
    & skf21("6","1","3","2","1","2","7","1") = "6"
    & skf21("6","1","3","2","1","3","1","1") = "5"
    & skf21("6","1","3","2","1","3","2","1") = "5"
    & skf21("6","1","3","2","1","3","3","1") = "5"
    & skf21("6","1","3","2","1","3","4","1") = "5"
    & skf21("6","1","3","2","1","3","5","1") = "5"
    & skf21("6","1","3","2","1","3","6","1") = "5"
    & skf21("6","1","3","2","1","3","7","1") = "6"
    & skf21("6","1","3","2","1","4","1","1") = "5"
    & skf21("6","1","3","2","1","4","2","1") = "5"
    & skf21("6","1","3","2","1","4","3","1") = "5"
    & skf21("6","1","3","2","1","4","4","1") = "5"
    & skf21("6","1","3","2","1","4","5","1") = "5"
    & skf21("6","1","3","2","1","4","6","1") = "5"
    & skf21("6","1","3","2","1","4","7","1") = "6"
    & skf21("6","1","3","2","1","5","1","1") = "5"
    & skf21("6","1","3","2","1","5","2","1") = "5"
    & skf21("6","1","3","2","1","5","3","1") = "5"
    & skf21("6","1","3","2","1","5","4","1") = "5"
    & skf21("6","1","3","2","1","5","5","1") = "5"
    & skf21("6","1","3","2","1","5","6","1") = "5"
    & skf21("6","1","3","2","1","5","7","1") = "6"
    & skf21("6","1","3","2","1","6","1","1") = "5"
    & skf21("6","1","3","2","1","6","2","1") = "5"
    & skf21("6","1","3","2","1","6","3","1") = "5"
    & skf21("6","1","3","2","1","6","4","1") = "5"
    & skf21("6","1","3","2","1","6","5","1") = "5"
    & skf21("6","1","3","2","1","6","6","1") = "5"
    & skf21("6","1","3","2","1","6","7","1") = "6"
    & skf21("6","1","3","2","1","7","1","1") = "6"
    & skf21("6","1","3","2","1","7","2","1") = "6"
    & skf21("6","1","3","2","1","7","3","1") = "6"
    & skf21("6","1","3","2","1","7","4","1") = "6"
    & skf21("6","1","3","2","1","7","5","1") = "6"
    & skf21("6","1","3","2","1","7","6","1") = "6"
    & skf21("6","1","3","2","1","7","7","1") = "6"
    & skf21("6","1","3","2","2","1","1","1") = "5"
    & skf21("6","1","3","2","2","1","2","1") = "5"
    & skf21("6","1","3","2","2","1","3","1") = "5"
    & skf21("6","1","3","2","2","1","4","1") = "5"
    & skf21("6","1","3","2","2","1","5","1") = "5"
    & skf21("6","1","3","2","2","1","6","1") = "5"
    & skf21("6","1","3","2","2","1","7","1") = "6"
    & skf21("6","1","3","2","2","2","1","1") = "5"
    & skf21("6","1","3","2","2","2","2","1") = "5"
    & skf21("6","1","3","2","2","2","3","1") = "5"
    & skf21("6","1","3","2","2","2","4","1") = "5"
    & skf21("6","1","3","2","2","2","5","1") = "5"
    & skf21("6","1","3","2","2","2","6","1") = "5"
    & skf21("6","1","3","2","2","2","7","1") = "6"
    & skf21("6","1","3","2","2","3","1","1") = "5"
    & skf21("6","1","3","2","2","3","2","1") = "5"
    & skf21("6","1","3","2","2","3","3","1") = "5"
    & skf21("6","1","3","2","2","3","4","1") = "5"
    & skf21("6","1","3","2","2","3","5","1") = "5"
    & skf21("6","1","3","2","2","3","6","1") = "5"
    & skf21("6","1","3","2","2","3","7","1") = "6"
    & skf21("6","1","3","2","2","4","1","1") = "5"
    & skf21("6","1","3","2","2","4","2","1") = "5"
    & skf21("6","1","3","2","2","4","3","1") = "5"
    & skf21("6","1","3","2","2","4","4","1") = "5"
    & skf21("6","1","3","2","2","4","5","1") = "5"
    & skf21("6","1","3","2","2","4","6","1") = "5"
    & skf21("6","1","3","2","2","4","7","1") = "6"
    & skf21("6","1","3","2","2","5","1","1") = "5"
    & skf21("6","1","3","2","2","5","2","1") = "5"
    & skf21("6","1","3","2","2","5","3","1") = "5"
    & skf21("6","1","3","2","2","5","4","1") = "5"
    & skf21("6","1","3","2","2","5","5","1") = "5"
    & skf21("6","1","3","2","2","5","6","1") = "5"
    & skf21("6","1","3","2","2","5","7","1") = "6"
    & skf21("6","1","3","2","2","6","1","1") = "5"
    & skf21("6","1","3","2","2","6","2","1") = "5"
    & skf21("6","1","3","2","2","6","3","1") = "5"
    & skf21("6","1","3","2","2","6","4","1") = "5"
    & skf21("6","1","3","2","2","6","5","1") = "5"
    & skf21("6","1","3","2","2","6","6","1") = "5"
    & skf21("6","1","3","2","2","6","7","1") = "6"
    & skf21("6","1","3","2","2","7","1","1") = "6"
    & skf21("6","1","3","2","2","7","2","1") = "6"
    & skf21("6","1","3","2","2","7","3","1") = "6"
    & skf21("6","1","3","2","2","7","4","1") = "6"
    & skf21("6","1","3","2","2","7","5","1") = "6"
    & skf21("6","1","3","2","2","7","6","1") = "6"
    & skf21("6","1","3","2","2","7","7","1") = "6"
    & skf21("6","1","3","2","3","1","1","1") = "5"
    & skf21("6","1","3","2","3","1","2","1") = "5"
    & skf21("6","1","3","2","3","1","3","1") = "5"
    & skf21("6","1","3","2","3","1","4","1") = "5"
    & skf21("6","1","3","2","3","1","5","1") = "5"
    & skf21("6","1","3","2","3","1","6","1") = "5"
    & skf21("6","1","3","2","3","1","7","1") = "6"
    & skf21("6","1","3","2","3","2","1","1") = "5"
    & skf21("6","1","3","2","3","2","2","1") = "5"
    & skf21("6","1","3","2","3","2","3","1") = "5"
    & skf21("6","1","3","2","3","2","4","1") = "5"
    & skf21("6","1","3","2","3","2","5","1") = "5"
    & skf21("6","1","3","2","3","2","6","1") = "5"
    & skf21("6","1","3","2","3","2","7","1") = "6"
    & skf21("6","1","3","2","3","3","1","1") = "5"
    & skf21("6","1","3","2","3","3","2","1") = "5"
    & skf21("6","1","3","2","3","3","3","1") = "5"
    & skf21("6","1","3","2","3","3","4","1") = "5"
    & skf21("6","1","3","2","3","3","5","1") = "5"
    & skf21("6","1","3","2","3","3","6","1") = "5"
    & skf21("6","1","3","2","3","3","7","1") = "6"
    & skf21("6","1","3","2","3","4","1","1") = "5"
    & skf21("6","1","3","2","3","4","2","1") = "5"
    & skf21("6","1","3","2","3","4","3","1") = "5"
    & skf21("6","1","3","2","3","4","4","1") = "5"
    & skf21("6","1","3","2","3","4","5","1") = "5"
    & skf21("6","1","3","2","3","4","6","1") = "5"
    & skf21("6","1","3","2","3","4","7","1") = "6"
    & skf21("6","1","3","2","3","5","1","1") = "5"
    & skf21("6","1","3","2","3","5","2","1") = "5"
    & skf21("6","1","3","2","3","5","3","1") = "5"
    & skf21("6","1","3","2","3","5","4","1") = "5"
    & skf21("6","1","3","2","3","5","5","1") = "5"
    & skf21("6","1","3","2","3","5","6","1") = "5"
    & skf21("6","1","3","2","3","5","7","1") = "6"
    & skf21("6","1","3","2","3","6","1","1") = "5"
    & skf21("6","1","3","2","3","6","2","1") = "5"
    & skf21("6","1","3","2","3","6","3","1") = "5"
    & skf21("6","1","3","2","3","6","4","1") = "5"
    & skf21("6","1","3","2","3","6","5","1") = "5"
    & skf21("6","1","3","2","3","6","6","1") = "5"
    & skf21("6","1","3","2","3","6","7","1") = "6"
    & skf21("6","1","3","2","3","7","1","1") = "6"
    & skf21("6","1","3","2","3","7","2","1") = "6"
    & skf21("6","1","3","2","3","7","3","1") = "6"
    & skf21("6","1","3","2","3","7","4","1") = "6"
    & skf21("6","1","3","2","3","7","5","1") = "6"
    & skf21("6","1","3","2","3","7","6","1") = "6"
    & skf21("6","1","3","2","3","7","7","1") = "6"
    & skf21("6","1","3","2","4","1","1","1") = "5"
    & skf21("6","1","3","2","4","1","2","1") = "5"
    & skf21("6","1","3","2","4","1","3","1") = "5"
    & skf21("6","1","3","2","4","1","4","1") = "5"
    & skf21("6","1","3","2","4","1","5","1") = "5"
    & skf21("6","1","3","2","4","1","6","1") = "5"
    & skf21("6","1","3","2","4","1","7","1") = "6"
    & skf21("6","1","3","2","4","2","1","1") = "5"
    & skf21("6","1","3","2","4","2","2","1") = "5"
    & skf21("6","1","3","2","4","2","3","1") = "5"
    & skf21("6","1","3","2","4","2","4","1") = "5"
    & skf21("6","1","3","2","4","2","5","1") = "5"
    & skf21("6","1","3","2","4","2","6","1") = "5"
    & skf21("6","1","3","2","4","2","7","1") = "6"
    & skf21("6","1","3","2","4","3","1","1") = "5"
    & skf21("6","1","3","2","4","3","2","1") = "5"
    & skf21("6","1","3","2","4","3","3","1") = "5"
    & skf21("6","1","3","2","4","3","4","1") = "5"
    & skf21("6","1","3","2","4","3","5","1") = "5"
    & skf21("6","1","3","2","4","3","6","1") = "5"
    & skf21("6","1","3","2","4","3","7","1") = "6"
    & skf21("6","1","3","2","4","4","1","1") = "5"
    & skf21("6","1","3","2","4","4","2","1") = "5"
    & skf21("6","1","3","2","4","4","3","1") = "5"
    & skf21("6","1","3","2","4","4","4","1") = "5"
    & skf21("6","1","3","2","4","4","5","1") = "5"
    & skf21("6","1","3","2","4","4","6","1") = "5"
    & skf21("6","1","3","2","4","4","7","1") = "6"
    & skf21("6","1","3","2","4","5","1","1") = "5"
    & skf21("6","1","3","2","4","5","2","1") = "5"
    & skf21("6","1","3","2","4","5","3","1") = "5"
    & skf21("6","1","3","2","4","5","4","1") = "5"
    & skf21("6","1","3","2","4","5","5","1") = "5"
    & skf21("6","1","3","2","4","5","6","1") = "5"
    & skf21("6","1","3","2","4","5","7","1") = "6"
    & skf21("6","1","3","2","4","6","1","1") = "5"
    & skf21("6","1","3","2","4","6","2","1") = "5"
    & skf21("6","1","3","2","4","6","3","1") = "5"
    & skf21("6","1","3","2","4","6","4","1") = "5"
    & skf21("6","1","3","2","4","6","5","1") = "5"
    & skf21("6","1","3","2","4","6","6","1") = "5"
    & skf21("6","1","3","2","4","6","7","1") = "6"
    & skf21("6","1","3","2","4","7","1","1") = "6"
    & skf21("6","1","3","2","4","7","2","1") = "6"
    & skf21("6","1","3","2","4","7","3","1") = "6"
    & skf21("6","1","3","2","4","7","4","1") = "6"
    & skf21("6","1","3","2","4","7","5","1") = "6"
    & skf21("6","1","3","2","4","7","6","1") = "6"
    & skf21("6","1","3","2","4","7","7","1") = "6"
    & skf21("6","1","3","2","5","1","1","1") = "5"
    & skf21("6","1","3","2","5","1","2","1") = "5"
    & skf21("6","1","3","2","5","1","3","1") = "5"
    & skf21("6","1","3","2","5","1","4","1") = "5"
    & skf21("6","1","3","2","5","1","5","1") = "5"
    & skf21("6","1","3","2","5","1","6","1") = "5"
    & skf21("6","1","3","2","5","1","7","1") = "6"
    & skf21("6","1","3","2","5","2","1","1") = "5"
    & skf21("6","1","3","2","5","2","2","1") = "5"
    & skf21("6","1","3","2","5","2","3","1") = "5"
    & skf21("6","1","3","2","5","2","4","1") = "5"
    & skf21("6","1","3","2","5","2","5","1") = "5"
    & skf21("6","1","3","2","5","2","6","1") = "5"
    & skf21("6","1","3","2","5","2","7","1") = "6"
    & skf21("6","1","3","2","5","3","1","1") = "5"
    & skf21("6","1","3","2","5","3","2","1") = "5"
    & skf21("6","1","3","2","5","3","3","1") = "5"
    & skf21("6","1","3","2","5","3","4","1") = "5"
    & skf21("6","1","3","2","5","3","5","1") = "5"
    & skf21("6","1","3","2","5","3","6","1") = "5"
    & skf21("6","1","3","2","5","3","7","1") = "6"
    & skf21("6","1","3","2","5","4","1","1") = "5"
    & skf21("6","1","3","2","5","4","2","1") = "5"
    & skf21("6","1","3","2","5","4","3","1") = "5"
    & skf21("6","1","3","2","5","4","4","1") = "5"
    & skf21("6","1","3","2","5","4","5","1") = "5"
    & skf21("6","1","3","2","5","4","6","1") = "5"
    & skf21("6","1","3","2","5","4","7","1") = "6"
    & skf21("6","1","3","2","5","5","1","1") = "5"
    & skf21("6","1","3","2","5","5","2","1") = "5"
    & skf21("6","1","3","2","5","5","3","1") = "5"
    & skf21("6","1","3","2","5","5","4","1") = "5"
    & skf21("6","1","3","2","5","5","5","1") = "5"
    & skf21("6","1","3","2","5","5","6","1") = "5"
    & skf21("6","1","3","2","5","5","7","1") = "6"
    & skf21("6","1","3","2","5","6","1","1") = "5"
    & skf21("6","1","3","2","5","6","2","1") = "5"
    & skf21("6","1","3","2","5","6","3","1") = "5"
    & skf21("6","1","3","2","5","6","4","1") = "5"
    & skf21("6","1","3","2","5","6","5","1") = "5"
    & skf21("6","1","3","2","5","6","6","1") = "5"
    & skf21("6","1","3","2","5","6","7","1") = "6"
    & skf21("6","1","3","2","5","7","1","1") = "6"
    & skf21("6","1","3","2","5","7","2","1") = "6"
    & skf21("6","1","3","2","5","7","3","1") = "6"
    & skf21("6","1","3","2","5","7","4","1") = "6"
    & skf21("6","1","3","2","5","7","5","1") = "6"
    & skf21("6","1","3","2","5","7","6","1") = "6"
    & skf21("6","1","3","2","5","7","7","1") = "6"
    & skf21("6","1","3","2","6","1","1","1") = "5"
    & skf21("6","1","3","2","6","1","2","1") = "5"
    & skf21("6","1","3","2","6","1","3","1") = "5"
    & skf21("6","1","3","2","6","1","4","1") = "5"
    & skf21("6","1","3","2","6","1","5","1") = "5"
    & skf21("6","1","3","2","6","1","6","1") = "5"
    & skf21("6","1","3","2","6","1","7","1") = "6"
    & skf21("6","1","3","2","6","2","1","1") = "5"
    & skf21("6","1","3","2","6","2","2","1") = "5"
    & skf21("6","1","3","2","6","2","3","1") = "5"
    & skf21("6","1","3","2","6","2","4","1") = "5"
    & skf21("6","1","3","2","6","2","5","1") = "5"
    & skf21("6","1","3","2","6","2","6","1") = "5"
    & skf21("6","1","3","2","6","2","7","1") = "6"
    & skf21("6","1","3","2","6","3","1","1") = "5"
    & skf21("6","1","3","2","6","3","2","1") = "5"
    & skf21("6","1","3","2","6","3","3","1") = "5"
    & skf21("6","1","3","2","6","3","4","1") = "5"
    & skf21("6","1","3","2","6","3","5","1") = "5"
    & skf21("6","1","3","2","6","3","6","1") = "5"
    & skf21("6","1","3","2","6","3","7","1") = "6"
    & skf21("6","1","3","2","6","4","1","1") = "5"
    & skf21("6","1","3","2","6","4","2","1") = "5"
    & skf21("6","1","3","2","6","4","3","1") = "5"
    & skf21("6","1","3","2","6","4","4","1") = "5"
    & skf21("6","1","3","2","6","4","5","1") = "5"
    & skf21("6","1","3","2","6","4","6","1") = "5"
    & skf21("6","1","3","2","6","4","7","1") = "6"
    & skf21("6","1","3","2","6","5","1","1") = "5"
    & skf21("6","1","3","2","6","5","2","1") = "5"
    & skf21("6","1","3","2","6","5","3","1") = "5"
    & skf21("6","1","3","2","6","5","4","1") = "5"
    & skf21("6","1","3","2","6","5","5","1") = "5"
    & skf21("6","1","3","2","6","5","6","1") = "5"
    & skf21("6","1","3","2","6","5","7","1") = "6"
    & skf21("6","1","3","2","6","6","1","1") = "5"
    & skf21("6","1","3","2","6","6","2","1") = "5"
    & skf21("6","1","3","2","6","6","3","1") = "5"
    & skf21("6","1","3","2","6","6","4","1") = "5"
    & skf21("6","1","3","2","6","6","5","1") = "5"
    & skf21("6","1","3","2","6","6","6","1") = "5"
    & skf21("6","1","3","2","6","6","7","1") = "6"
    & skf21("6","1","3","2","6","7","1","1") = "6"
    & skf21("6","1","3","2","6","7","2","1") = "6"
    & skf21("6","1","3","2","6","7","3","1") = "6"
    & skf21("6","1","3","2","6","7","4","1") = "6"
    & skf21("6","1","3","2","6","7","5","1") = "6"
    & skf21("6","1","3","2","6","7","6","1") = "6"
    & skf21("6","1","3","2","6","7","7","1") = "6"
    & skf21("6","1","3","2","7","1","1","1") = "6"
    & skf21("6","1","3","2","7","1","2","1") = "6"
    & skf21("6","1","3","2","7","1","3","1") = "6"
    & skf21("6","1","3","2","7","1","4","1") = "6"
    & skf21("6","1","3","2","7","1","5","1") = "6"
    & skf21("6","1","3","2","7","1","6","1") = "6"
    & skf21("6","1","3","2","7","1","7","1") = "6"
    & skf21("6","1","3","2","7","2","1","1") = "6"
    & skf21("6","1","3","2","7","2","2","1") = "6"
    & skf21("6","1","3","2","7","2","3","1") = "6"
    & skf21("6","1","3","2","7","2","4","1") = "6"
    & skf21("6","1","3","2","7","2","5","1") = "6"
    & skf21("6","1","3","2","7","2","6","1") = "6"
    & skf21("6","1","3","2","7","2","7","1") = "6"
    & skf21("6","1","3","2","7","3","1","1") = "6"
    & skf21("6","1","3","2","7","3","2","1") = "6"
    & skf21("6","1","3","2","7","3","3","1") = "6"
    & skf21("6","1","3","2","7","3","4","1") = "6"
    & skf21("6","1","3","2","7","3","5","1") = "6"
    & skf21("6","1","3","2","7","3","6","1") = "6"
    & skf21("6","1","3","2","7","3","7","1") = "6"
    & skf21("6","1","3","2","7","4","1","1") = "6"
    & skf21("6","1","3","2","7","4","2","1") = "6"
    & skf21("6","1","3","2","7","4","3","1") = "6"
    & skf21("6","1","3","2","7","4","4","1") = "6"
    & skf21("6","1","3","2","7","4","5","1") = "6"
    & skf21("6","1","3","2","7","4","6","1") = "6"
    & skf21("6","1","3","2","7","4","7","1") = "6"
    & skf21("6","1","3","2","7","5","1","1") = "6"
    & skf21("6","1","3","2","7","5","2","1") = "6"
    & skf21("6","1","3","2","7","5","3","1") = "6"
    & skf21("6","1","3","2","7","5","4","1") = "6"
    & skf21("6","1","3","2","7","5","5","1") = "6"
    & skf21("6","1","3","2","7","5","6","1") = "6"
    & skf21("6","1","3","2","7","5","7","1") = "6"
    & skf21("6","1","3","2","7","6","1","1") = "6"
    & skf21("6","1","3","2","7","6","2","1") = "6"
    & skf21("6","1","3","2","7","6","3","1") = "6"
    & skf21("6","1","3","2","7","6","4","1") = "6"
    & skf21("6","1","3","2","7","6","5","1") = "6"
    & skf21("6","1","3","2","7","6","6","1") = "6"
    & skf21("6","1","3","2","7","6","7","1") = "6"
    & skf21("6","1","3","2","7","7","1","1") = "6"
    & skf21("6","1","3","2","7","7","2","1") = "6"
    & skf21("6","1","3","2","7","7","3","1") = "6"
    & skf21("6","1","3","2","7","7","4","1") = "6"
    & skf21("6","1","3","2","7","7","5","1") = "6"
    & skf21("6","1","3","2","7","7","6","1") = "6"
    & skf21("6","1","3","2","7","7","7","1") = "6"
    & skf21("6","1","3","3","1","1","1","1") = "5"
    & skf21("6","1","3","3","1","1","2","1") = "5"
    & skf21("6","1","3","3","1","1","3","1") = "5"
    & skf21("6","1","3","3","1","1","4","1") = "5"
    & skf21("6","1","3","3","1","1","5","1") = "5"
    & skf21("6","1","3","3","1","1","6","1") = "5"
    & skf21("6","1","3","3","1","1","7","1") = "6"
    & skf21("6","1","3","3","1","2","1","1") = "5"
    & skf21("6","1","3","3","1","2","2","1") = "5"
    & skf21("6","1","3","3","1","2","3","1") = "5"
    & skf21("6","1","3","3","1","2","4","1") = "5"
    & skf21("6","1","3","3","1","2","5","1") = "5"
    & skf21("6","1","3","3","1","2","6","1") = "5"
    & skf21("6","1","3","3","1","2","7","1") = "6"
    & skf21("6","1","3","3","1","3","1","1") = "5"
    & skf21("6","1","3","3","1","3","2","1") = "5"
    & skf21("6","1","3","3","1","3","3","1") = "5"
    & skf21("6","1","3","3","1","3","4","1") = "5"
    & skf21("6","1","3","3","1","3","5","1") = "5"
    & skf21("6","1","3","3","1","3","6","1") = "5"
    & skf21("6","1","3","3","1","3","7","1") = "6"
    & skf21("6","1","3","3","1","4","1","1") = "5"
    & skf21("6","1","3","3","1","4","2","1") = "5"
    & skf21("6","1","3","3","1","4","3","1") = "5"
    & skf21("6","1","3","3","1","4","4","1") = "5"
    & skf21("6","1","3","3","1","4","5","1") = "5"
    & skf21("6","1","3","3","1","4","6","1") = "5"
    & skf21("6","1","3","3","1","4","7","1") = "6"
    & skf21("6","1","3","3","1","5","1","1") = "5"
    & skf21("6","1","3","3","1","5","2","1") = "5"
    & skf21("6","1","3","3","1","5","3","1") = "5"
    & skf21("6","1","3","3","1","5","4","1") = "5"
    & skf21("6","1","3","3","1","5","5","1") = "5"
    & skf21("6","1","3","3","1","5","6","1") = "5"
    & skf21("6","1","3","3","1","5","7","1") = "6"
    & skf21("6","1","3","3","1","6","1","1") = "5"
    & skf21("6","1","3","3","1","6","2","1") = "5"
    & skf21("6","1","3","3","1","6","3","1") = "5"
    & skf21("6","1","3","3","1","6","4","1") = "5"
    & skf21("6","1","3","3","1","6","5","1") = "5"
    & skf21("6","1","3","3","1","6","6","1") = "5"
    & skf21("6","1","3","3","1","6","7","1") = "6"
    & skf21("6","1","3","3","1","7","1","1") = "6"
    & skf21("6","1","3","3","1","7","2","1") = "6"
    & skf21("6","1","3","3","1","7","3","1") = "6"
    & skf21("6","1","3","3","1","7","4","1") = "6"
    & skf21("6","1","3","3","1","7","5","1") = "6"
    & skf21("6","1","3","3","1","7","6","1") = "6"
    & skf21("6","1","3","3","1","7","7","1") = "6"
    & skf21("6","1","3","3","2","1","1","1") = "5"
    & skf21("6","1","3","3","2","1","2","1") = "5"
    & skf21("6","1","3","3","2","1","3","1") = "5"
    & skf21("6","1","3","3","2","1","4","1") = "5"
    & skf21("6","1","3","3","2","1","5","1") = "5"
    & skf21("6","1","3","3","2","1","6","1") = "5"
    & skf21("6","1","3","3","2","1","7","1") = "6"
    & skf21("6","1","3","3","2","2","1","1") = "5"
    & skf21("6","1","3","3","2","2","2","1") = "5"
    & skf21("6","1","3","3","2","2","3","1") = "5"
    & skf21("6","1","3","3","2","2","4","1") = "5"
    & skf21("6","1","3","3","2","2","5","1") = "5"
    & skf21("6","1","3","3","2","2","6","1") = "5"
    & skf21("6","1","3","3","2","2","7","1") = "6"
    & skf21("6","1","3","3","2","3","1","1") = "5"
    & skf21("6","1","3","3","2","3","2","1") = "5"
    & skf21("6","1","3","3","2","3","3","1") = "5"
    & skf21("6","1","3","3","2","3","4","1") = "5"
    & skf21("6","1","3","3","2","3","5","1") = "5"
    & skf21("6","1","3","3","2","3","6","1") = "5"
    & skf21("6","1","3","3","2","3","7","1") = "6"
    & skf21("6","1","3","3","2","4","1","1") = "5"
    & skf21("6","1","3","3","2","4","2","1") = "5"
    & skf21("6","1","3","3","2","4","3","1") = "5"
    & skf21("6","1","3","3","2","4","4","1") = "5"
    & skf21("6","1","3","3","2","4","5","1") = "5"
    & skf21("6","1","3","3","2","4","6","1") = "5"
    & skf21("6","1","3","3","2","4","7","1") = "6"
    & skf21("6","1","3","3","2","5","1","1") = "5"
    & skf21("6","1","3","3","2","5","2","1") = "5"
    & skf21("6","1","3","3","2","5","3","1") = "5"
    & skf21("6","1","3","3","2","5","4","1") = "5"
    & skf21("6","1","3","3","2","5","5","1") = "5"
    & skf21("6","1","3","3","2","5","6","1") = "5"
    & skf21("6","1","3","3","2","5","7","1") = "6"
    & skf21("6","1","3","3","2","6","1","1") = "5"
    & skf21("6","1","3","3","2","6","2","1") = "5"
    & skf21("6","1","3","3","2","6","3","1") = "5"
    & skf21("6","1","3","3","2","6","4","1") = "5"
    & skf21("6","1","3","3","2","6","5","1") = "5"
    & skf21("6","1","3","3","2","6","6","1") = "5"
    & skf21("6","1","3","3","2","6","7","1") = "6"
    & skf21("6","1","3","3","2","7","1","1") = "6"
    & skf21("6","1","3","3","2","7","2","1") = "6"
    & skf21("6","1","3","3","2","7","3","1") = "6"
    & skf21("6","1","3","3","2","7","4","1") = "6"
    & skf21("6","1","3","3","2","7","5","1") = "6"
    & skf21("6","1","3","3","2","7","6","1") = "6"
    & skf21("6","1","3","3","2","7","7","1") = "6"
    & skf21("6","1","3","3","3","1","1","1") = "5"
    & skf21("6","1","3","3","3","1","2","1") = "5"
    & skf21("6","1","3","3","3","1","3","1") = "5"
    & skf21("6","1","3","3","3","1","4","1") = "5"
    & skf21("6","1","3","3","3","1","5","1") = "5"
    & skf21("6","1","3","3","3","1","6","1") = "5"
    & skf21("6","1","3","3","3","1","7","1") = "6"
    & skf21("6","1","3","3","3","2","1","1") = "5"
    & skf21("6","1","3","3","3","2","2","1") = "5"
    & skf21("6","1","3","3","3","2","3","1") = "5"
    & skf21("6","1","3","3","3","2","4","1") = "5"
    & skf21("6","1","3","3","3","2","5","1") = "5"
    & skf21("6","1","3","3","3","2","6","1") = "5"
    & skf21("6","1","3","3","3","2","7","1") = "6"
    & skf21("6","1","3","3","3","3","1","1") = "5"
    & skf21("6","1","3","3","3","3","2","1") = "5"
    & skf21("6","1","3","3","3","3","3","1") = "5"
    & skf21("6","1","3","3","3","3","4","1") = "5"
    & skf21("6","1","3","3","3","3","5","1") = "5"
    & skf21("6","1","3","3","3","3","6","1") = "5"
    & skf21("6","1","3","3","3","3","7","1") = "6"
    & skf21("6","1","3","3","3","4","1","1") = "5"
    & skf21("6","1","3","3","3","4","2","1") = "5"
    & skf21("6","1","3","3","3","4","3","1") = "5"
    & skf21("6","1","3","3","3","4","4","1") = "5"
    & skf21("6","1","3","3","3","4","5","1") = "5"
    & skf21("6","1","3","3","3","4","6","1") = "5"
    & skf21("6","1","3","3","3","4","7","1") = "6"
    & skf21("6","1","3","3","3","5","1","1") = "5"
    & skf21("6","1","3","3","3","5","2","1") = "5"
    & skf21("6","1","3","3","3","5","3","1") = "5"
    & skf21("6","1","3","3","3","5","4","1") = "5"
    & skf21("6","1","3","3","3","5","5","1") = "5"
    & skf21("6","1","3","3","3","5","6","1") = "5"
    & skf21("6","1","3","3","3","5","7","1") = "6"
    & skf21("6","1","3","3","3","6","1","1") = "5"
    & skf21("6","1","3","3","3","6","2","1") = "5"
    & skf21("6","1","3","3","3","6","3","1") = "5"
    & skf21("6","1","3","3","3","6","4","1") = "5"
    & skf21("6","1","3","3","3","6","5","1") = "5"
    & skf21("6","1","3","3","3","6","6","1") = "5"
    & skf21("6","1","3","3","3","6","7","1") = "6"
    & skf21("6","1","3","3","3","7","1","1") = "6"
    & skf21("6","1","3","3","3","7","2","1") = "6"
    & skf21("6","1","3","3","3","7","3","1") = "6"
    & skf21("6","1","3","3","3","7","4","1") = "6"
    & skf21("6","1","3","3","3","7","5","1") = "6"
    & skf21("6","1","3","3","3","7","6","1") = "6"
    & skf21("6","1","3","3","3","7","7","1") = "6"
    & skf21("6","1","3","3","4","1","1","1") = "5"
    & skf21("6","1","3","3","4","1","2","1") = "5"
    & skf21("6","1","3","3","4","1","3","1") = "5"
    & skf21("6","1","3","3","4","1","4","1") = "5"
    & skf21("6","1","3","3","4","1","5","1") = "5"
    & skf21("6","1","3","3","4","1","6","1") = "5"
    & skf21("6","1","3","3","4","1","7","1") = "6"
    & skf21("6","1","3","3","4","2","1","1") = "5"
    & skf21("6","1","3","3","4","2","2","1") = "5"
    & skf21("6","1","3","3","4","2","3","1") = "5"
    & skf21("6","1","3","3","4","2","4","1") = "5"
    & skf21("6","1","3","3","4","2","5","1") = "5"
    & skf21("6","1","3","3","4","2","6","1") = "5"
    & skf21("6","1","3","3","4","2","7","1") = "6"
    & skf21("6","1","3","3","4","3","1","1") = "5"
    & skf21("6","1","3","3","4","3","2","1") = "5"
    & skf21("6","1","3","3","4","3","3","1") = "5"
    & skf21("6","1","3","3","4","3","4","1") = "5"
    & skf21("6","1","3","3","4","3","5","1") = "5"
    & skf21("6","1","3","3","4","3","6","1") = "5"
    & skf21("6","1","3","3","4","3","7","1") = "6"
    & skf21("6","1","3","3","4","4","1","1") = "5"
    & skf21("6","1","3","3","4","4","2","1") = "5"
    & skf21("6","1","3","3","4","4","3","1") = "5"
    & skf21("6","1","3","3","4","4","4","1") = "5"
    & skf21("6","1","3","3","4","4","5","1") = "5"
    & skf21("6","1","3","3","4","4","6","1") = "5"
    & skf21("6","1","3","3","4","4","7","1") = "6"
    & skf21("6","1","3","3","4","5","1","1") = "5"
    & skf21("6","1","3","3","4","5","2","1") = "5"
    & skf21("6","1","3","3","4","5","3","1") = "5"
    & skf21("6","1","3","3","4","5","4","1") = "5"
    & skf21("6","1","3","3","4","5","5","1") = "5"
    & skf21("6","1","3","3","4","5","6","1") = "5"
    & skf21("6","1","3","3","4","5","7","1") = "6"
    & skf21("6","1","3","3","4","6","1","1") = "5"
    & skf21("6","1","3","3","4","6","2","1") = "5"
    & skf21("6","1","3","3","4","6","3","1") = "5"
    & skf21("6","1","3","3","4","6","4","1") = "5"
    & skf21("6","1","3","3","4","6","5","1") = "5"
    & skf21("6","1","3","3","4","6","6","1") = "5"
    & skf21("6","1","3","3","4","6","7","1") = "6"
    & skf21("6","1","3","3","4","7","1","1") = "6"
    & skf21("6","1","3","3","4","7","2","1") = "6"
    & skf21("6","1","3","3","4","7","3","1") = "6"
    & skf21("6","1","3","3","4","7","4","1") = "6"
    & skf21("6","1","3","3","4","7","5","1") = "6"
    & skf21("6","1","3","3","4","7","6","1") = "6"
    & skf21("6","1","3","3","4","7","7","1") = "6"
    & skf21("6","1","3","3","5","1","1","1") = "5"
    & skf21("6","1","3","3","5","1","2","1") = "5"
    & skf21("6","1","3","3","5","1","3","1") = "5"
    & skf21("6","1","3","3","5","1","4","1") = "5"
    & skf21("6","1","3","3","5","1","5","1") = "5"
    & skf21("6","1","3","3","5","1","6","1") = "5"
    & skf21("6","1","3","3","5","1","7","1") = "6"
    & skf21("6","1","3","3","5","2","1","1") = "5"
    & skf21("6","1","3","3","5","2","2","1") = "5"
    & skf21("6","1","3","3","5","2","3","1") = "5"
    & skf21("6","1","3","3","5","2","4","1") = "5"
    & skf21("6","1","3","3","5","2","5","1") = "5"
    & skf21("6","1","3","3","5","2","6","1") = "5"
    & skf21("6","1","3","3","5","2","7","1") = "6"
    & skf21("6","1","3","3","5","3","1","1") = "5"
    & skf21("6","1","3","3","5","3","2","1") = "5"
    & skf21("6","1","3","3","5","3","3","1") = "5"
    & skf21("6","1","3","3","5","3","4","1") = "5"
    & skf21("6","1","3","3","5","3","5","1") = "5"
    & skf21("6","1","3","3","5","3","6","1") = "5"
    & skf21("6","1","3","3","5","3","7","1") = "6"
    & skf21("6","1","3","3","5","4","1","1") = "5"
    & skf21("6","1","3","3","5","4","2","1") = "5"
    & skf21("6","1","3","3","5","4","3","1") = "5"
    & skf21("6","1","3","3","5","4","4","1") = "5"
    & skf21("6","1","3","3","5","4","5","1") = "5"
    & skf21("6","1","3","3","5","4","6","1") = "5"
    & skf21("6","1","3","3","5","4","7","1") = "6"
    & skf21("6","1","3","3","5","5","1","1") = "5"
    & skf21("6","1","3","3","5","5","2","1") = "5"
    & skf21("6","1","3","3","5","5","3","1") = "5"
    & skf21("6","1","3","3","5","5","4","1") = "5"
    & skf21("6","1","3","3","5","5","5","1") = "5"
    & skf21("6","1","3","3","5","5","6","1") = "5"
    & skf21("6","1","3","3","5","5","7","1") = "6"
    & skf21("6","1","3","3","5","6","1","1") = "5"
    & skf21("6","1","3","3","5","6","2","1") = "5"
    & skf21("6","1","3","3","5","6","3","1") = "5"
    & skf21("6","1","3","3","5","6","4","1") = "5"
    & skf21("6","1","3","3","5","6","5","1") = "5"
    & skf21("6","1","3","3","5","6","6","1") = "5"
    & skf21("6","1","3","3","5","6","7","1") = "6"
    & skf21("6","1","3","3","5","7","1","1") = "6"
    & skf21("6","1","3","3","5","7","2","1") = "6"
    & skf21("6","1","3","3","5","7","3","1") = "6"
    & skf21("6","1","3","3","5","7","4","1") = "6"
    & skf21("6","1","3","3","5","7","5","1") = "6"
    & skf21("6","1","3","3","5","7","6","1") = "6"
    & skf21("6","1","3","3","5","7","7","1") = "6"
    & skf21("6","1","3","3","6","1","1","1") = "5"
    & skf21("6","1","3","3","6","1","2","1") = "5"
    & skf21("6","1","3","3","6","1","3","1") = "5"
    & skf21("6","1","3","3","6","1","4","1") = "5"
    & skf21("6","1","3","3","6","1","5","1") = "5"
    & skf21("6","1","3","3","6","1","6","1") = "5"
    & skf21("6","1","3","3","6","1","7","1") = "6"
    & skf21("6","1","3","3","6","2","1","1") = "5"
    & skf21("6","1","3","3","6","2","2","1") = "5"
    & skf21("6","1","3","3","6","2","3","1") = "5"
    & skf21("6","1","3","3","6","2","4","1") = "5"
    & skf21("6","1","3","3","6","2","5","1") = "5"
    & skf21("6","1","3","3","6","2","6","1") = "5"
    & skf21("6","1","3","3","6","2","7","1") = "6"
    & skf21("6","1","3","3","6","3","1","1") = "5"
    & skf21("6","1","3","3","6","3","2","1") = "5"
    & skf21("6","1","3","3","6","3","3","1") = "5"
    & skf21("6","1","3","3","6","3","4","1") = "5"
    & skf21("6","1","3","3","6","3","5","1") = "5"
    & skf21("6","1","3","3","6","3","6","1") = "5"
    & skf21("6","1","3","3","6","3","7","1") = "6"
    & skf21("6","1","3","3","6","4","1","1") = "5"
    & skf21("6","1","3","3","6","4","2","1") = "5"
    & skf21("6","1","3","3","6","4","3","1") = "5"
    & skf21("6","1","3","3","6","4","4","1") = "5"
    & skf21("6","1","3","3","6","4","5","1") = "5"
    & skf21("6","1","3","3","6","4","6","1") = "5"
    & skf21("6","1","3","3","6","4","7","1") = "6"
    & skf21("6","1","3","3","6","5","1","1") = "5"
    & skf21("6","1","3","3","6","5","2","1") = "5"
    & skf21("6","1","3","3","6","5","3","1") = "5"
    & skf21("6","1","3","3","6","5","4","1") = "5"
    & skf21("6","1","3","3","6","5","5","1") = "5"
    & skf21("6","1","3","3","6","5","6","1") = "5"
    & skf21("6","1","3","3","6","5","7","1") = "6"
    & skf21("6","1","3","3","6","6","1","1") = "5"
    & skf21("6","1","3","3","6","6","2","1") = "5"
    & skf21("6","1","3","3","6","6","3","1") = "5"
    & skf21("6","1","3","3","6","6","4","1") = "5"
    & skf21("6","1","3","3","6","6","5","1") = "5"
    & skf21("6","1","3","3","6","6","6","1") = "5"
    & skf21("6","1","3","3","6","6","7","1") = "6"
    & skf21("6","1","3","3","6","7","1","1") = "6"
    & skf21("6","1","3","3","6","7","2","1") = "6"
    & skf21("6","1","3","3","6","7","3","1") = "6"
    & skf21("6","1","3","3","6","7","4","1") = "6"
    & skf21("6","1","3","3","6","7","5","1") = "6"
    & skf21("6","1","3","3","6","7","6","1") = "6"
    & skf21("6","1","3","3","6","7","7","1") = "6"
    & skf21("6","1","3","3","7","1","1","1") = "6"
    & skf21("6","1","3","3","7","1","2","1") = "6"
    & skf21("6","1","3","3","7","1","3","1") = "6"
    & skf21("6","1","3","3","7","1","4","1") = "6"
    & skf21("6","1","3","3","7","1","5","1") = "6"
    & skf21("6","1","3","3","7","1","6","1") = "6"
    & skf21("6","1","3","3","7","1","7","1") = "6"
    & skf21("6","1","3","3","7","2","1","1") = "6"
    & skf21("6","1","3","3","7","2","2","1") = "6"
    & skf21("6","1","3","3","7","2","3","1") = "6"
    & skf21("6","1","3","3","7","2","4","1") = "6"
    & skf21("6","1","3","3","7","2","5","1") = "6"
    & skf21("6","1","3","3","7","2","6","1") = "6"
    & skf21("6","1","3","3","7","2","7","1") = "6"
    & skf21("6","1","3","3","7","3","1","1") = "6"
    & skf21("6","1","3","3","7","3","2","1") = "6"
    & skf21("6","1","3","3","7","3","3","1") = "6"
    & skf21("6","1","3","3","7","3","4","1") = "6"
    & skf21("6","1","3","3","7","3","5","1") = "6"
    & skf21("6","1","3","3","7","3","6","1") = "6"
    & skf21("6","1","3","3","7","3","7","1") = "6"
    & skf21("6","1","3","3","7","4","1","1") = "6"
    & skf21("6","1","3","3","7","4","2","1") = "6"
    & skf21("6","1","3","3","7","4","3","1") = "6"
    & skf21("6","1","3","3","7","4","4","1") = "6"
    & skf21("6","1","3","3","7","4","5","1") = "6"
    & skf21("6","1","3","3","7","4","6","1") = "6"
    & skf21("6","1","3","3","7","4","7","1") = "6"
    & skf21("6","1","3","3","7","5","1","1") = "6"
    & skf21("6","1","3","3","7","5","2","1") = "6"
    & skf21("6","1","3","3","7","5","3","1") = "6"
    & skf21("6","1","3","3","7","5","4","1") = "6"
    & skf21("6","1","3","3","7","5","5","1") = "6"
    & skf21("6","1","3","3","7","5","6","1") = "6"
    & skf21("6","1","3","3","7","5","7","1") = "6"
    & skf21("6","1","3","3","7","6","1","1") = "6"
    & skf21("6","1","3","3","7","6","2","1") = "6"
    & skf21("6","1","3","3","7","6","3","1") = "6"
    & skf21("6","1","3","3","7","6","4","1") = "6"
    & skf21("6","1","3","3","7","6","5","1") = "6"
    & skf21("6","1","3","3","7","6","6","1") = "6"
    & skf21("6","1","3","3","7","6","7","1") = "6"
    & skf21("6","1","3","3","7","7","1","1") = "6"
    & skf21("6","1","3","3","7","7","2","1") = "6"
    & skf21("6","1","3","3","7","7","3","1") = "6"
    & skf21("6","1","3","3","7","7","4","1") = "6"
    & skf21("6","1","3","3","7","7","5","1") = "6"
    & skf21("6","1","3","3","7","7","6","1") = "6"
    & skf21("6","1","3","3","7","7","7","1") = "6"
    & skf21("6","1","3","4","1","1","1","1") = "5"
    & skf21("6","1","3","4","1","1","2","1") = "5"
    & skf21("6","1","3","4","1","1","3","1") = "5"
    & skf21("6","1","3","4","1","1","4","1") = "5"
    & skf21("6","1","3","4","1","1","5","1") = "5"
    & skf21("6","1","3","4","1","1","6","1") = "5"
    & skf21("6","1","3","4","1","1","7","1") = "6"
    & skf21("6","1","3","4","1","2","1","1") = "5"
    & skf21("6","1","3","4","1","2","2","1") = "5"
    & skf21("6","1","3","4","1","2","3","1") = "5"
    & skf21("6","1","3","4","1","2","4","1") = "5"
    & skf21("6","1","3","4","1","2","5","1") = "5"
    & skf21("6","1","3","4","1","2","6","1") = "5"
    & skf21("6","1","3","4","1","2","7","1") = "6"
    & skf21("6","1","3","4","1","3","1","1") = "5"
    & skf21("6","1","3","4","1","3","2","1") = "5"
    & skf21("6","1","3","4","1","3","3","1") = "5"
    & skf21("6","1","3","4","1","3","4","1") = "5"
    & skf21("6","1","3","4","1","3","5","1") = "5"
    & skf21("6","1","3","4","1","3","6","1") = "5"
    & skf21("6","1","3","4","1","3","7","1") = "6"
    & skf21("6","1","3","4","1","4","1","1") = "5"
    & skf21("6","1","3","4","1","4","2","1") = "5"
    & skf21("6","1","3","4","1","4","3","1") = "5"
    & skf21("6","1","3","4","1","4","4","1") = "5"
    & skf21("6","1","3","4","1","4","5","1") = "5"
    & skf21("6","1","3","4","1","4","6","1") = "5"
    & skf21("6","1","3","4","1","4","7","1") = "6"
    & skf21("6","1","3","4","1","5","1","1") = "5"
    & skf21("6","1","3","4","1","5","2","1") = "5"
    & skf21("6","1","3","4","1","5","3","1") = "5"
    & skf21("6","1","3","4","1","5","4","1") = "5"
    & skf21("6","1","3","4","1","5","5","1") = "5"
    & skf21("6","1","3","4","1","5","6","1") = "5"
    & skf21("6","1","3","4","1","5","7","1") = "6"
    & skf21("6","1","3","4","1","6","1","1") = "5"
    & skf21("6","1","3","4","1","6","2","1") = "5"
    & skf21("6","1","3","4","1","6","3","1") = "5"
    & skf21("6","1","3","4","1","6","4","1") = "5"
    & skf21("6","1","3","4","1","6","5","1") = "5"
    & skf21("6","1","3","4","1","6","6","1") = "5"
    & skf21("6","1","3","4","1","6","7","1") = "6"
    & skf21("6","1","3","4","1","7","1","1") = "6"
    & skf21("6","1","3","4","1","7","2","1") = "6"
    & skf21("6","1","3","4","1","7","3","1") = "6"
    & skf21("6","1","3","4","1","7","4","1") = "6"
    & skf21("6","1","3","4","1","7","5","1") = "6"
    & skf21("6","1","3","4","1","7","6","1") = "6"
    & skf21("6","1","3","4","1","7","7","1") = "6"
    & skf21("6","1","3","4","2","1","1","1") = "5"
    & skf21("6","1","3","4","2","1","2","1") = "5"
    & skf21("6","1","3","4","2","1","3","1") = "5"
    & skf21("6","1","3","4","2","1","4","1") = "5"
    & skf21("6","1","3","4","2","1","5","1") = "5"
    & skf21("6","1","3","4","2","1","6","1") = "5"
    & skf21("6","1","3","4","2","1","7","1") = "6"
    & skf21("6","1","3","4","2","2","1","1") = "5"
    & skf21("6","1","3","4","2","2","2","1") = "5"
    & skf21("6","1","3","4","2","2","3","1") = "5"
    & skf21("6","1","3","4","2","2","4","1") = "5"
    & skf21("6","1","3","4","2","2","5","1") = "5"
    & skf21("6","1","3","4","2","2","6","1") = "5"
    & skf21("6","1","3","4","2","2","7","1") = "6"
    & skf21("6","1","3","4","2","3","1","1") = "5"
    & skf21("6","1","3","4","2","3","2","1") = "5"
    & skf21("6","1","3","4","2","3","3","1") = "5"
    & skf21("6","1","3","4","2","3","4","1") = "5"
    & skf21("6","1","3","4","2","3","5","1") = "5"
    & skf21("6","1","3","4","2","3","6","1") = "5"
    & skf21("6","1","3","4","2","3","7","1") = "6"
    & skf21("6","1","3","4","2","4","1","1") = "5"
    & skf21("6","1","3","4","2","4","2","1") = "5"
    & skf21("6","1","3","4","2","4","3","1") = "5"
    & skf21("6","1","3","4","2","4","4","1") = "5"
    & skf21("6","1","3","4","2","4","5","1") = "5"
    & skf21("6","1","3","4","2","4","6","1") = "5"
    & skf21("6","1","3","4","2","4","7","1") = "6"
    & skf21("6","1","3","4","2","5","1","1") = "5"
    & skf21("6","1","3","4","2","5","2","1") = "5"
    & skf21("6","1","3","4","2","5","3","1") = "5"
    & skf21("6","1","3","4","2","5","4","1") = "5"
    & skf21("6","1","3","4","2","5","5","1") = "5"
    & skf21("6","1","3","4","2","5","6","1") = "5"
    & skf21("6","1","3","4","2","5","7","1") = "6"
    & skf21("6","1","3","4","2","6","1","1") = "5"
    & skf21("6","1","3","4","2","6","2","1") = "5"
    & skf21("6","1","3","4","2","6","3","1") = "5"
    & skf21("6","1","3","4","2","6","4","1") = "5"
    & skf21("6","1","3","4","2","6","5","1") = "5"
    & skf21("6","1","3","4","2","6","6","1") = "5"
    & skf21("6","1","3","4","2","6","7","1") = "6"
    & skf21("6","1","3","4","2","7","1","1") = "6"
    & skf21("6","1","3","4","2","7","2","1") = "6"
    & skf21("6","1","3","4","2","7","3","1") = "6"
    & skf21("6","1","3","4","2","7","4","1") = "6"
    & skf21("6","1","3","4","2","7","5","1") = "6"
    & skf21("6","1","3","4","2","7","6","1") = "6"
    & skf21("6","1","3","4","2","7","7","1") = "6"
    & skf21("6","1","3","4","3","1","1","1") = "5"
    & skf21("6","1","3","4","3","1","2","1") = "5"
    & skf21("6","1","3","4","3","1","3","1") = "5"
    & skf21("6","1","3","4","3","1","4","1") = "5"
    & skf21("6","1","3","4","3","1","5","1") = "5"
    & skf21("6","1","3","4","3","1","6","1") = "5"
    & skf21("6","1","3","4","3","1","7","1") = "6"
    & skf21("6","1","3","4","3","2","1","1") = "5"
    & skf21("6","1","3","4","3","2","2","1") = "5"
    & skf21("6","1","3","4","3","2","3","1") = "5"
    & skf21("6","1","3","4","3","2","4","1") = "5"
    & skf21("6","1","3","4","3","2","5","1") = "5"
    & skf21("6","1","3","4","3","2","6","1") = "5"
    & skf21("6","1","3","4","3","2","7","1") = "6"
    & skf21("6","1","3","4","3","3","1","1") = "5"
    & skf21("6","1","3","4","3","3","2","1") = "5"
    & skf21("6","1","3","4","3","3","3","1") = "5"
    & skf21("6","1","3","4","3","3","4","1") = "5"
    & skf21("6","1","3","4","3","3","5","1") = "5"
    & skf21("6","1","3","4","3","3","6","1") = "5"
    & skf21("6","1","3","4","3","3","7","1") = "6"
    & skf21("6","1","3","4","3","4","1","1") = "5"
    & skf21("6","1","3","4","3","4","2","1") = "5"
    & skf21("6","1","3","4","3","4","3","1") = "5"
    & skf21("6","1","3","4","3","4","4","1") = "5"
    & skf21("6","1","3","4","3","4","5","1") = "5"
    & skf21("6","1","3","4","3","4","6","1") = "5"
    & skf21("6","1","3","4","3","4","7","1") = "6"
    & skf21("6","1","3","4","3","5","1","1") = "5"
    & skf21("6","1","3","4","3","5","2","1") = "5"
    & skf21("6","1","3","4","3","5","3","1") = "5"
    & skf21("6","1","3","4","3","5","4","1") = "5"
    & skf21("6","1","3","4","3","5","5","1") = "5"
    & skf21("6","1","3","4","3","5","6","1") = "5"
    & skf21("6","1","3","4","3","5","7","1") = "6"
    & skf21("6","1","3","4","3","6","1","1") = "5"
    & skf21("6","1","3","4","3","6","2","1") = "5"
    & skf21("6","1","3","4","3","6","3","1") = "5"
    & skf21("6","1","3","4","3","6","4","1") = "5"
    & skf21("6","1","3","4","3","6","5","1") = "5"
    & skf21("6","1","3","4","3","6","6","1") = "5"
    & skf21("6","1","3","4","3","6","7","1") = "6"
    & skf21("6","1","3","4","3","7","1","1") = "6"
    & skf21("6","1","3","4","3","7","2","1") = "6"
    & skf21("6","1","3","4","3","7","3","1") = "6"
    & skf21("6","1","3","4","3","7","4","1") = "6"
    & skf21("6","1","3","4","3","7","5","1") = "6"
    & skf21("6","1","3","4","3","7","6","1") = "6"
    & skf21("6","1","3","4","3","7","7","1") = "6"
    & skf21("6","1","3","4","4","1","1","1") = "5"
    & skf21("6","1","3","4","4","1","2","1") = "5"
    & skf21("6","1","3","4","4","1","3","1") = "5"
    & skf21("6","1","3","4","4","1","4","1") = "5"
    & skf21("6","1","3","4","4","1","5","1") = "5"
    & skf21("6","1","3","4","4","1","6","1") = "5"
    & skf21("6","1","3","4","4","1","7","1") = "6"
    & skf21("6","1","3","4","4","2","1","1") = "5"
    & skf21("6","1","3","4","4","2","2","1") = "5"
    & skf21("6","1","3","4","4","2","3","1") = "5"
    & skf21("6","1","3","4","4","2","4","1") = "5"
    & skf21("6","1","3","4","4","2","5","1") = "5"
    & skf21("6","1","3","4","4","2","6","1") = "5"
    & skf21("6","1","3","4","4","2","7","1") = "6"
    & skf21("6","1","3","4","4","3","1","1") = "5"
    & skf21("6","1","3","4","4","3","2","1") = "5"
    & skf21("6","1","3","4","4","3","3","1") = "5"
    & skf21("6","1","3","4","4","3","4","1") = "5"
    & skf21("6","1","3","4","4","3","5","1") = "5"
    & skf21("6","1","3","4","4","3","6","1") = "5"
    & skf21("6","1","3","4","4","3","7","1") = "6"
    & skf21("6","1","3","4","4","4","1","1") = "5"
    & skf21("6","1","3","4","4","4","2","1") = "5"
    & skf21("6","1","3","4","4","4","3","1") = "5"
    & skf21("6","1","3","4","4","4","4","1") = "5"
    & skf21("6","1","3","4","4","4","5","1") = "5"
    & skf21("6","1","3","4","4","4","6","1") = "5"
    & skf21("6","1","3","4","4","4","7","1") = "6"
    & skf21("6","1","3","4","4","5","1","1") = "5"
    & skf21("6","1","3","4","4","5","2","1") = "5"
    & skf21("6","1","3","4","4","5","3","1") = "5"
    & skf21("6","1","3","4","4","5","4","1") = "5"
    & skf21("6","1","3","4","4","5","5","1") = "5"
    & skf21("6","1","3","4","4","5","6","1") = "5"
    & skf21("6","1","3","4","4","5","7","1") = "6"
    & skf21("6","1","3","4","4","6","1","1") = "5"
    & skf21("6","1","3","4","4","6","2","1") = "5"
    & skf21("6","1","3","4","4","6","3","1") = "5"
    & skf21("6","1","3","4","4","6","4","1") = "5"
    & skf21("6","1","3","4","4","6","5","1") = "5"
    & skf21("6","1","3","4","4","6","6","1") = "5"
    & skf21("6","1","3","4","4","6","7","1") = "6"
    & skf21("6","1","3","4","4","7","1","1") = "6"
    & skf21("6","1","3","4","4","7","2","1") = "6"
    & skf21("6","1","3","4","4","7","3","1") = "6"
    & skf21("6","1","3","4","4","7","4","1") = "6"
    & skf21("6","1","3","4","4","7","5","1") = "6"
    & skf21("6","1","3","4","4","7","6","1") = "6"
    & skf21("6","1","3","4","4","7","7","1") = "6"
    & skf21("6","1","3","4","5","1","1","1") = "5"
    & skf21("6","1","3","4","5","1","2","1") = "5"
    & skf21("6","1","3","4","5","1","3","1") = "5"
    & skf21("6","1","3","4","5","1","4","1") = "5"
    & skf21("6","1","3","4","5","1","5","1") = "5"
    & skf21("6","1","3","4","5","1","6","1") = "5"
    & skf21("6","1","3","4","5","1","7","1") = "6"
    & skf21("6","1","3","4","5","2","1","1") = "5"
    & skf21("6","1","3","4","5","2","2","1") = "5"
    & skf21("6","1","3","4","5","2","3","1") = "5"
    & skf21("6","1","3","4","5","2","4","1") = "5"
    & skf21("6","1","3","4","5","2","5","1") = "5"
    & skf21("6","1","3","4","5","2","6","1") = "5"
    & skf21("6","1","3","4","5","2","7","1") = "6"
    & skf21("6","1","3","4","5","3","1","1") = "5"
    & skf21("6","1","3","4","5","3","2","1") = "5"
    & skf21("6","1","3","4","5","3","3","1") = "5"
    & skf21("6","1","3","4","5","3","4","1") = "5"
    & skf21("6","1","3","4","5","3","5","1") = "5"
    & skf21("6","1","3","4","5","3","6","1") = "5"
    & skf21("6","1","3","4","5","3","7","1") = "6"
    & skf21("6","1","3","4","5","4","1","1") = "5"
    & skf21("6","1","3","4","5","4","2","1") = "5"
    & skf21("6","1","3","4","5","4","3","1") = "5"
    & skf21("6","1","3","4","5","4","4","1") = "5"
    & skf21("6","1","3","4","5","4","5","1") = "5"
    & skf21("6","1","3","4","5","4","6","1") = "5"
    & skf21("6","1","3","4","5","4","7","1") = "6"
    & skf21("6","1","3","4","5","5","1","1") = "5"
    & skf21("6","1","3","4","5","5","2","1") = "5"
    & skf21("6","1","3","4","5","5","3","1") = "5"
    & skf21("6","1","3","4","5","5","4","1") = "5"
    & skf21("6","1","3","4","5","5","5","1") = "5"
    & skf21("6","1","3","4","5","5","6","1") = "5"
    & skf21("6","1","3","4","5","5","7","1") = "6"
    & skf21("6","1","3","4","5","6","1","1") = "5"
    & skf21("6","1","3","4","5","6","2","1") = "5"
    & skf21("6","1","3","4","5","6","3","1") = "5"
    & skf21("6","1","3","4","5","6","4","1") = "5"
    & skf21("6","1","3","4","5","6","5","1") = "5"
    & skf21("6","1","3","4","5","6","6","1") = "5"
    & skf21("6","1","3","4","5","6","7","1") = "6"
    & skf21("6","1","3","4","5","7","1","1") = "6"
    & skf21("6","1","3","4","5","7","2","1") = "6"
    & skf21("6","1","3","4","5","7","3","1") = "6"
    & skf21("6","1","3","4","5","7","4","1") = "6"
    & skf21("6","1","3","4","5","7","5","1") = "6"
    & skf21("6","1","3","4","5","7","6","1") = "6"
    & skf21("6","1","3","4","5","7","7","1") = "6"
    & skf21("6","1","3","4","6","1","1","1") = "5"
    & skf21("6","1","3","4","6","1","2","1") = "5"
    & skf21("6","1","3","4","6","1","3","1") = "5"
    & skf21("6","1","3","4","6","1","4","1") = "5"
    & skf21("6","1","3","4","6","1","5","1") = "5"
    & skf21("6","1","3","4","6","1","6","1") = "5"
    & skf21("6","1","3","4","6","1","7","1") = "6"
    & skf21("6","1","3","4","6","2","1","1") = "5"
    & skf21("6","1","3","4","6","2","2","1") = "5"
    & skf21("6","1","3","4","6","2","3","1") = "5"
    & skf21("6","1","3","4","6","2","4","1") = "5"
    & skf21("6","1","3","4","6","2","5","1") = "5"
    & skf21("6","1","3","4","6","2","6","1") = "5"
    & skf21("6","1","3","4","6","2","7","1") = "6"
    & skf21("6","1","3","4","6","3","1","1") = "5"
    & skf21("6","1","3","4","6","3","2","1") = "5"
    & skf21("6","1","3","4","6","3","3","1") = "5"
    & skf21("6","1","3","4","6","3","4","1") = "5"
    & skf21("6","1","3","4","6","3","5","1") = "5"
    & skf21("6","1","3","4","6","3","6","1") = "5"
    & skf21("6","1","3","4","6","3","7","1") = "6"
    & skf21("6","1","3","4","6","4","1","1") = "5"
    & skf21("6","1","3","4","6","4","2","1") = "5"
    & skf21("6","1","3","4","6","4","3","1") = "5"
    & skf21("6","1","3","4","6","4","4","1") = "5"
    & skf21("6","1","3","4","6","4","5","1") = "5"
    & skf21("6","1","3","4","6","4","6","1") = "5"
    & skf21("6","1","3","4","6","4","7","1") = "6"
    & skf21("6","1","3","4","6","5","1","1") = "5"
    & skf21("6","1","3","4","6","5","2","1") = "5"
    & skf21("6","1","3","4","6","5","3","1") = "5"
    & skf21("6","1","3","4","6","5","4","1") = "5"
    & skf21("6","1","3","4","6","5","5","1") = "5"
    & skf21("6","1","3","4","6","5","6","1") = "5"
    & skf21("6","1","3","4","6","5","7","1") = "6"
    & skf21("6","1","3","4","6","6","1","1") = "5"
    & skf21("6","1","3","4","6","6","2","1") = "5"
    & skf21("6","1","3","4","6","6","3","1") = "5"
    & skf21("6","1","3","4","6","6","4","1") = "5"
    & skf21("6","1","3","4","6","6","5","1") = "5"
    & skf21("6","1","3","4","6","6","6","1") = "5"
    & skf21("6","1","3","4","6","6","7","1") = "6"
    & skf21("6","1","3","4","6","7","1","1") = "6"
    & skf21("6","1","3","4","6","7","2","1") = "6"
    & skf21("6","1","3","4","6","7","3","1") = "6"
    & skf21("6","1","3","4","6","7","4","1") = "6"
    & skf21("6","1","3","4","6","7","5","1") = "6"
    & skf21("6","1","3","4","6","7","6","1") = "6"
    & skf21("6","1","3","4","6","7","7","1") = "6"
    & skf21("6","1","3","4","7","1","1","1") = "6"
    & skf21("6","1","3","4","7","1","2","1") = "6"
    & skf21("6","1","3","4","7","1","3","1") = "6"
    & skf21("6","1","3","4","7","1","4","1") = "6"
    & skf21("6","1","3","4","7","1","5","1") = "6"
    & skf21("6","1","3","4","7","1","6","1") = "6"
    & skf21("6","1","3","4","7","1","7","1") = "6"
    & skf21("6","1","3","4","7","2","1","1") = "6"
    & skf21("6","1","3","4","7","2","2","1") = "6"
    & skf21("6","1","3","4","7","2","3","1") = "6"
    & skf21("6","1","3","4","7","2","4","1") = "6"
    & skf21("6","1","3","4","7","2","5","1") = "6"
    & skf21("6","1","3","4","7","2","6","1") = "6"
    & skf21("6","1","3","4","7","2","7","1") = "6"
    & skf21("6","1","3","4","7","3","1","1") = "6"
    & skf21("6","1","3","4","7","3","2","1") = "6"
    & skf21("6","1","3","4","7","3","3","1") = "6"
    & skf21("6","1","3","4","7","3","4","1") = "6"
    & skf21("6","1","3","4","7","3","5","1") = "6"
    & skf21("6","1","3","4","7","3","6","1") = "6"
    & skf21("6","1","3","4","7","3","7","1") = "6"
    & skf21("6","1","3","4","7","4","1","1") = "6"
    & skf21("6","1","3","4","7","4","2","1") = "6"
    & skf21("6","1","3","4","7","4","3","1") = "6"
    & skf21("6","1","3","4","7","4","4","1") = "6"
    & skf21("6","1","3","4","7","4","5","1") = "6"
    & skf21("6","1","3","4","7","4","6","1") = "6"
    & skf21("6","1","3","4","7","4","7","1") = "6"
    & skf21("6","1","3","4","7","5","1","1") = "6"
    & skf21("6","1","3","4","7","5","2","1") = "6"
    & skf21("6","1","3","4","7","5","3","1") = "6"
    & skf21("6","1","3","4","7","5","4","1") = "6"
    & skf21("6","1","3","4","7","5","5","1") = "6"
    & skf21("6","1","3","4","7","5","6","1") = "6"
    & skf21("6","1","3","4","7","5","7","1") = "6"
    & skf21("6","1","3","4","7","6","1","1") = "6"
    & skf21("6","1","3","4","7","6","2","1") = "6"
    & skf21("6","1","3","4","7","6","3","1") = "6"
    & skf21("6","1","3","4","7","6","4","1") = "6"
    & skf21("6","1","3","4","7","6","5","1") = "6"
    & skf21("6","1","3","4","7","6","6","1") = "6"
    & skf21("6","1","3","4","7","6","7","1") = "6"
    & skf21("6","1","3","4","7","7","1","1") = "6"
    & skf21("6","1","3","4","7","7","2","1") = "6"
    & skf21("6","1","3","4","7","7","3","1") = "6"
    & skf21("6","1","3","4","7","7","4","1") = "6"
    & skf21("6","1","3","4","7","7","5","1") = "6"
    & skf21("6","1","3","4","7","7","6","1") = "6"
    & skf21("6","1","3","4","7","7","7","1") = "6"
    & skf21("6","1","3","5","1","1","1","1") = "5"
    & skf21("6","1","3","5","1","1","2","1") = "5"
    & skf21("6","1","3","5","1","1","3","1") = "5"
    & skf21("6","1","3","5","1","1","4","1") = "5"
    & skf21("6","1","3","5","1","1","5","1") = "5"
    & skf21("6","1","3","5","1","1","6","1") = "5"
    & skf21("6","1","3","5","1","1","7","1") = "6"
    & skf21("6","1","3","5","1","2","1","1") = "5"
    & skf21("6","1","3","5","1","2","2","1") = "5"
    & skf21("6","1","3","5","1","2","3","1") = "5"
    & skf21("6","1","3","5","1","2","4","1") = "5"
    & skf21("6","1","3","5","1","2","5","1") = "5"
    & skf21("6","1","3","5","1","2","6","1") = "5"
    & skf21("6","1","3","5","1","2","7","1") = "6"
    & skf21("6","1","3","5","1","3","1","1") = "5"
    & skf21("6","1","3","5","1","3","2","1") = "5"
    & skf21("6","1","3","5","1","3","3","1") = "5"
    & skf21("6","1","3","5","1","3","4","1") = "5"
    & skf21("6","1","3","5","1","3","5","1") = "5"
    & skf21("6","1","3","5","1","3","6","1") = "5"
    & skf21("6","1","3","5","1","3","7","1") = "6"
    & skf21("6","1","3","5","1","4","1","1") = "5"
    & skf21("6","1","3","5","1","4","2","1") = "5"
    & skf21("6","1","3","5","1","4","3","1") = "5"
    & skf21("6","1","3","5","1","4","4","1") = "5"
    & skf21("6","1","3","5","1","4","5","1") = "5"
    & skf21("6","1","3","5","1","4","6","1") = "5"
    & skf21("6","1","3","5","1","4","7","1") = "6"
    & skf21("6","1","3","5","1","5","1","1") = "5"
    & skf21("6","1","3","5","1","5","2","1") = "5"
    & skf21("6","1","3","5","1","5","3","1") = "5"
    & skf21("6","1","3","5","1","5","4","1") = "5"
    & skf21("6","1","3","5","1","5","5","1") = "5"
    & skf21("6","1","3","5","1","5","6","1") = "5"
    & skf21("6","1","3","5","1","5","7","1") = "6"
    & skf21("6","1","3","5","1","6","1","1") = "5"
    & skf21("6","1","3","5","1","6","2","1") = "5"
    & skf21("6","1","3","5","1","6","3","1") = "5"
    & skf21("6","1","3","5","1","6","4","1") = "5"
    & skf21("6","1","3","5","1","6","5","1") = "5"
    & skf21("6","1","3","5","1","6","6","1") = "5"
    & skf21("6","1","3","5","1","6","7","1") = "6"
    & skf21("6","1","3","5","1","7","1","1") = "6"
    & skf21("6","1","3","5","1","7","2","1") = "6"
    & skf21("6","1","3","5","1","7","3","1") = "6"
    & skf21("6","1","3","5","1","7","4","1") = "6"
    & skf21("6","1","3","5","1","7","5","1") = "6"
    & skf21("6","1","3","5","1","7","6","1") = "6"
    & skf21("6","1","3","5","1","7","7","1") = "6"
    & skf21("6","1","3","5","2","1","1","1") = "5"
    & skf21("6","1","3","5","2","1","2","1") = "5"
    & skf21("6","1","3","5","2","1","3","1") = "5"
    & skf21("6","1","3","5","2","1","4","1") = "5"
    & skf21("6","1","3","5","2","1","5","1") = "5"
    & skf21("6","1","3","5","2","1","6","1") = "5"
    & skf21("6","1","3","5","2","1","7","1") = "6"
    & skf21("6","1","3","5","2","2","1","1") = "5"
    & skf21("6","1","3","5","2","2","2","1") = "5"
    & skf21("6","1","3","5","2","2","3","1") = "5"
    & skf21("6","1","3","5","2","2","4","1") = "5"
    & skf21("6","1","3","5","2","2","5","1") = "5"
    & skf21("6","1","3","5","2","2","6","1") = "5"
    & skf21("6","1","3","5","2","2","7","1") = "6"
    & skf21("6","1","3","5","2","3","1","1") = "5"
    & skf21("6","1","3","5","2","3","2","1") = "5"
    & skf21("6","1","3","5","2","3","3","1") = "5"
    & skf21("6","1","3","5","2","3","4","1") = "5"
    & skf21("6","1","3","5","2","3","5","1") = "5"
    & skf21("6","1","3","5","2","3","6","1") = "5"
    & skf21("6","1","3","5","2","3","7","1") = "6"
    & skf21("6","1","3","5","2","4","1","1") = "5"
    & skf21("6","1","3","5","2","4","2","1") = "5"
    & skf21("6","1","3","5","2","4","3","1") = "5"
    & skf21("6","1","3","5","2","4","4","1") = "5"
    & skf21("6","1","3","5","2","4","5","1") = "5"
    & skf21("6","1","3","5","2","4","6","1") = "5"
    & skf21("6","1","3","5","2","4","7","1") = "6"
    & skf21("6","1","3","5","2","5","1","1") = "5"
    & skf21("6","1","3","5","2","5","2","1") = "5"
    & skf21("6","1","3","5","2","5","3","1") = "5"
    & skf21("6","1","3","5","2","5","4","1") = "5"
    & skf21("6","1","3","5","2","5","5","1") = "5"
    & skf21("6","1","3","5","2","5","6","1") = "5"
    & skf21("6","1","3","5","2","5","7","1") = "6"
    & skf21("6","1","3","5","2","6","1","1") = "5"
    & skf21("6","1","3","5","2","6","2","1") = "5"
    & skf21("6","1","3","5","2","6","3","1") = "5"
    & skf21("6","1","3","5","2","6","4","1") = "5"
    & skf21("6","1","3","5","2","6","5","1") = "5"
    & skf21("6","1","3","5","2","6","6","1") = "5"
    & skf21("6","1","3","5","2","6","7","1") = "6"
    & skf21("6","1","3","5","2","7","1","1") = "6"
    & skf21("6","1","3","5","2","7","2","1") = "6"
    & skf21("6","1","3","5","2","7","3","1") = "6"
    & skf21("6","1","3","5","2","7","4","1") = "6"
    & skf21("6","1","3","5","2","7","5","1") = "6"
    & skf21("6","1","3","5","2","7","6","1") = "6"
    & skf21("6","1","3","5","2","7","7","1") = "6"
    & skf21("6","1","3","5","3","1","1","1") = "5"
    & skf21("6","1","3","5","3","1","2","1") = "5"
    & skf21("6","1","3","5","3","1","3","1") = "5"
    & skf21("6","1","3","5","3","1","4","1") = "5"
    & skf21("6","1","3","5","3","1","5","1") = "5"
    & skf21("6","1","3","5","3","1","6","1") = "5"
    & skf21("6","1","3","5","3","1","7","1") = "6"
    & skf21("6","1","3","5","3","2","1","1") = "5"
    & skf21("6","1","3","5","3","2","2","1") = "5"
    & skf21("6","1","3","5","3","2","3","1") = "5"
    & skf21("6","1","3","5","3","2","4","1") = "5"
    & skf21("6","1","3","5","3","2","5","1") = "5"
    & skf21("6","1","3","5","3","2","6","1") = "5"
    & skf21("6","1","3","5","3","2","7","1") = "6"
    & skf21("6","1","3","5","3","3","1","1") = "5"
    & skf21("6","1","3","5","3","3","2","1") = "5"
    & skf21("6","1","3","5","3","3","3","1") = "5"
    & skf21("6","1","3","5","3","3","4","1") = "5"
    & skf21("6","1","3","5","3","3","5","1") = "5"
    & skf21("6","1","3","5","3","3","6","1") = "5"
    & skf21("6","1","3","5","3","3","7","1") = "6"
    & skf21("6","1","3","5","3","4","1","1") = "5"
    & skf21("6","1","3","5","3","4","2","1") = "5"
    & skf21("6","1","3","5","3","4","3","1") = "5"
    & skf21("6","1","3","5","3","4","4","1") = "5"
    & skf21("6","1","3","5","3","4","5","1") = "5"
    & skf21("6","1","3","5","3","4","6","1") = "5"
    & skf21("6","1","3","5","3","4","7","1") = "6"
    & skf21("6","1","3","5","3","5","1","1") = "5"
    & skf21("6","1","3","5","3","5","2","1") = "5"
    & skf21("6","1","3","5","3","5","3","1") = "5"
    & skf21("6","1","3","5","3","5","4","1") = "5"
    & skf21("6","1","3","5","3","5","5","1") = "5"
    & skf21("6","1","3","5","3","5","6","1") = "5"
    & skf21("6","1","3","5","3","5","7","1") = "6"
    & skf21("6","1","3","5","3","6","1","1") = "5"
    & skf21("6","1","3","5","3","6","2","1") = "5"
    & skf21("6","1","3","5","3","6","3","1") = "5"
    & skf21("6","1","3","5","3","6","4","1") = "5"
    & skf21("6","1","3","5","3","6","5","1") = "5"
    & skf21("6","1","3","5","3","6","6","1") = "5"
    & skf21("6","1","3","5","3","6","7","1") = "6"
    & skf21("6","1","3","5","3","7","1","1") = "6"
    & skf21("6","1","3","5","3","7","2","1") = "6"
    & skf21("6","1","3","5","3","7","3","1") = "6"
    & skf21("6","1","3","5","3","7","4","1") = "6"
    & skf21("6","1","3","5","3","7","5","1") = "6"
    & skf21("6","1","3","5","3","7","6","1") = "6"
    & skf21("6","1","3","5","3","7","7","1") = "6"
    & skf21("6","1","3","5","4","1","1","1") = "5"
    & skf21("6","1","3","5","4","1","2","1") = "5"
    & skf21("6","1","3","5","4","1","3","1") = "5"
    & skf21("6","1","3","5","4","1","4","1") = "5"
    & skf21("6","1","3","5","4","1","5","1") = "5"
    & skf21("6","1","3","5","4","1","6","1") = "5"
    & skf21("6","1","3","5","4","1","7","1") = "6"
    & skf21("6","1","3","5","4","2","1","1") = "5"
    & skf21("6","1","3","5","4","2","2","1") = "5"
    & skf21("6","1","3","5","4","2","3","1") = "5"
    & skf21("6","1","3","5","4","2","4","1") = "5"
    & skf21("6","1","3","5","4","2","5","1") = "5"
    & skf21("6","1","3","5","4","2","6","1") = "5"
    & skf21("6","1","3","5","4","2","7","1") = "6"
    & skf21("6","1","3","5","4","3","1","1") = "5"
    & skf21("6","1","3","5","4","3","2","1") = "5"
    & skf21("6","1","3","5","4","3","3","1") = "5"
    & skf21("6","1","3","5","4","3","4","1") = "5"
    & skf21("6","1","3","5","4","3","5","1") = "5"
    & skf21("6","1","3","5","4","3","6","1") = "5"
    & skf21("6","1","3","5","4","3","7","1") = "6"
    & skf21("6","1","3","5","4","4","1","1") = "5"
    & skf21("6","1","3","5","4","4","2","1") = "5"
    & skf21("6","1","3","5","4","4","3","1") = "5"
    & skf21("6","1","3","5","4","4","4","1") = "5"
    & skf21("6","1","3","5","4","4","5","1") = "5"
    & skf21("6","1","3","5","4","4","6","1") = "5"
    & skf21("6","1","3","5","4","4","7","1") = "6"
    & skf21("6","1","3","5","4","5","1","1") = "5"
    & skf21("6","1","3","5","4","5","2","1") = "5"
    & skf21("6","1","3","5","4","5","3","1") = "5"
    & skf21("6","1","3","5","4","5","4","1") = "5"
    & skf21("6","1","3","5","4","5","5","1") = "5"
    & skf21("6","1","3","5","4","5","6","1") = "5"
    & skf21("6","1","3","5","4","5","7","1") = "6"
    & skf21("6","1","3","5","4","6","1","1") = "5"
    & skf21("6","1","3","5","4","6","2","1") = "5"
    & skf21("6","1","3","5","4","6","3","1") = "5"
    & skf21("6","1","3","5","4","6","4","1") = "5"
    & skf21("6","1","3","5","4","6","5","1") = "5"
    & skf21("6","1","3","5","4","6","6","1") = "5"
    & skf21("6","1","3","5","4","6","7","1") = "6"
    & skf21("6","1","3","5","4","7","1","1") = "6"
    & skf21("6","1","3","5","4","7","2","1") = "6"
    & skf21("6","1","3","5","4","7","3","1") = "6"
    & skf21("6","1","3","5","4","7","4","1") = "6"
    & skf21("6","1","3","5","4","7","5","1") = "6"
    & skf21("6","1","3","5","4","7","6","1") = "6"
    & skf21("6","1","3","5","4","7","7","1") = "6"
    & skf21("6","1","3","5","5","1","1","1") = "5"
    & skf21("6","1","3","5","5","1","2","1") = "5"
    & skf21("6","1","3","5","5","1","3","1") = "5"
    & skf21("6","1","3","5","5","1","4","1") = "5"
    & skf21("6","1","3","5","5","1","5","1") = "5"
    & skf21("6","1","3","5","5","1","6","1") = "5"
    & skf21("6","1","3","5","5","1","7","1") = "6"
    & skf21("6","1","3","5","5","2","1","1") = "5"
    & skf21("6","1","3","5","5","2","2","1") = "5"
    & skf21("6","1","3","5","5","2","3","1") = "5"
    & skf21("6","1","3","5","5","2","4","1") = "5"
    & skf21("6","1","3","5","5","2","5","1") = "5"
    & skf21("6","1","3","5","5","2","6","1") = "5"
    & skf21("6","1","3","5","5","2","7","1") = "6"
    & skf21("6","1","3","5","5","3","1","1") = "5"
    & skf21("6","1","3","5","5","3","2","1") = "5"
    & skf21("6","1","3","5","5","3","3","1") = "5"
    & skf21("6","1","3","5","5","3","4","1") = "5"
    & skf21("6","1","3","5","5","3","5","1") = "5"
    & skf21("6","1","3","5","5","3","6","1") = "5"
    & skf21("6","1","3","5","5","3","7","1") = "6"
    & skf21("6","1","3","5","5","4","1","1") = "5"
    & skf21("6","1","3","5","5","4","2","1") = "5"
    & skf21("6","1","3","5","5","4","3","1") = "5"
    & skf21("6","1","3","5","5","4","4","1") = "5"
    & skf21("6","1","3","5","5","4","5","1") = "5"
    & skf21("6","1","3","5","5","4","6","1") = "5"
    & skf21("6","1","3","5","5","4","7","1") = "6"
    & skf21("6","1","3","5","5","5","1","1") = "5"
    & skf21("6","1","3","5","5","5","2","1") = "5"
    & skf21("6","1","3","5","5","5","3","1") = "5"
    & skf21("6","1","3","5","5","5","4","1") = "5"
    & skf21("6","1","3","5","5","5","5","1") = "5"
    & skf21("6","1","3","5","5","5","6","1") = "5"
    & skf21("6","1","3","5","5","5","7","1") = "6"
    & skf21("6","1","3","5","5","6","1","1") = "5"
    & skf21("6","1","3","5","5","6","2","1") = "5"
    & skf21("6","1","3","5","5","6","3","1") = "5"
    & skf21("6","1","3","5","5","6","4","1") = "5"
    & skf21("6","1","3","5","5","6","5","1") = "5"
    & skf21("6","1","3","5","5","6","6","1") = "5"
    & skf21("6","1","3","5","5","6","7","1") = "6"
    & skf21("6","1","3","5","5","7","1","1") = "6"
    & skf21("6","1","3","5","5","7","2","1") = "6"
    & skf21("6","1","3","5","5","7","3","1") = "6"
    & skf21("6","1","3","5","5","7","4","1") = "6"
    & skf21("6","1","3","5","5","7","5","1") = "6"
    & skf21("6","1","3","5","5","7","6","1") = "6"
    & skf21("6","1","3","5","5","7","7","1") = "6"
    & skf21("6","1","3","5","6","1","1","1") = "5"
    & skf21("6","1","3","5","6","1","2","1") = "5"
    & skf21("6","1","3","5","6","1","3","1") = "5"
    & skf21("6","1","3","5","6","1","4","1") = "5"
    & skf21("6","1","3","5","6","1","5","1") = "5"
    & skf21("6","1","3","5","6","1","6","1") = "5"
    & skf21("6","1","3","5","6","1","7","1") = "6"
    & skf21("6","1","3","5","6","2","1","1") = "5"
    & skf21("6","1","3","5","6","2","2","1") = "5"
    & skf21("6","1","3","5","6","2","3","1") = "5"
    & skf21("6","1","3","5","6","2","4","1") = "5"
    & skf21("6","1","3","5","6","2","5","1") = "5"
    & skf21("6","1","3","5","6","2","6","1") = "5"
    & skf21("6","1","3","5","6","2","7","1") = "6"
    & skf21("6","1","3","5","6","3","1","1") = "5"
    & skf21("6","1","3","5","6","3","2","1") = "5"
    & skf21("6","1","3","5","6","3","3","1") = "5"
    & skf21("6","1","3","5","6","3","4","1") = "5"
    & skf21("6","1","3","5","6","3","5","1") = "5"
    & skf21("6","1","3","5","6","3","6","1") = "5"
    & skf21("6","1","3","5","6","3","7","1") = "6"
    & skf21("6","1","3","5","6","4","1","1") = "5"
    & skf21("6","1","3","5","6","4","2","1") = "5"
    & skf21("6","1","3","5","6","4","3","1") = "5"
    & skf21("6","1","3","5","6","4","4","1") = "5"
    & skf21("6","1","3","5","6","4","5","1") = "5"
    & skf21("6","1","3","5","6","4","6","1") = "5"
    & skf21("6","1","3","5","6","4","7","1") = "6"
    & skf21("6","1","3","5","6","5","1","1") = "5"
    & skf21("6","1","3","5","6","5","2","1") = "5"
    & skf21("6","1","3","5","6","5","3","1") = "5"
    & skf21("6","1","3","5","6","5","4","1") = "5"
    & skf21("6","1","3","5","6","5","5","1") = "5"
    & skf21("6","1","3","5","6","5","6","1") = "5"
    & skf21("6","1","3","5","6","5","7","1") = "6"
    & skf21("6","1","3","5","6","6","1","1") = "5"
    & skf21("6","1","3","5","6","6","2","1") = "5"
    & skf21("6","1","3","5","6","6","3","1") = "5"
    & skf21("6","1","3","5","6","6","4","1") = "5"
    & skf21("6","1","3","5","6","6","5","1") = "5"
    & skf21("6","1","3","5","6","6","6","1") = "5"
    & skf21("6","1","3","5","6","6","7","1") = "6"
    & skf21("6","1","3","5","6","7","1","1") = "6"
    & skf21("6","1","3","5","6","7","2","1") = "6"
    & skf21("6","1","3","5","6","7","3","1") = "6"
    & skf21("6","1","3","5","6","7","4","1") = "6"
    & skf21("6","1","3","5","6","7","5","1") = "6"
    & skf21("6","1","3","5","6","7","6","1") = "6"
    & skf21("6","1","3","5","6","7","7","1") = "6"
    & skf21("6","1","3","5","7","1","1","1") = "6"
    & skf21("6","1","3","5","7","1","2","1") = "6"
    & skf21("6","1","3","5","7","1","3","1") = "6"
    & skf21("6","1","3","5","7","1","4","1") = "6"
    & skf21("6","1","3","5","7","1","5","1") = "6"
    & skf21("6","1","3","5","7","1","6","1") = "6"
    & skf21("6","1","3","5","7","1","7","1") = "6"
    & skf21("6","1","3","5","7","2","1","1") = "6"
    & skf21("6","1","3","5","7","2","2","1") = "6"
    & skf21("6","1","3","5","7","2","3","1") = "6"
    & skf21("6","1","3","5","7","2","4","1") = "6"
    & skf21("6","1","3","5","7","2","5","1") = "6"
    & skf21("6","1","3","5","7","2","6","1") = "6"
    & skf21("6","1","3","5","7","2","7","1") = "6"
    & skf21("6","1","3","5","7","3","1","1") = "6"
    & skf21("6","1","3","5","7","3","2","1") = "6"
    & skf21("6","1","3","5","7","3","3","1") = "6"
    & skf21("6","1","3","5","7","3","4","1") = "6"
    & skf21("6","1","3","5","7","3","5","1") = "6"
    & skf21("6","1","3","5","7","3","6","1") = "6"
    & skf21("6","1","3","5","7","3","7","1") = "6"
    & skf21("6","1","3","5","7","4","1","1") = "6"
    & skf21("6","1","3","5","7","4","2","1") = "6"
    & skf21("6","1","3","5","7","4","3","1") = "6"
    & skf21("6","1","3","5","7","4","4","1") = "6"
    & skf21("6","1","3","5","7","4","5","1") = "6"
    & skf21("6","1","3","5","7","4","6","1") = "6"
    & skf21("6","1","3","5","7","4","7","1") = "6"
    & skf21("6","1","3","5","7","5","1","1") = "6"
    & skf21("6","1","3","5","7","5","2","1") = "6"
    & skf21("6","1","3","5","7","5","3","1") = "6"
    & skf21("6","1","3","5","7","5","4","1") = "6"
    & skf21("6","1","3","5","7","5","5","1") = "6"
    & skf21("6","1","3","5","7","5","6","1") = "6"
    & skf21("6","1","3","5","7","5","7","1") = "6"
    & skf21("6","1","3","5","7","6","1","1") = "6"
    & skf21("6","1","3","5","7","6","2","1") = "6"
    & skf21("6","1","3","5","7","6","3","1") = "6"
    & skf21("6","1","3","5","7","6","4","1") = "6"
    & skf21("6","1","3","5","7","6","5","1") = "6"
    & skf21("6","1","3","5","7","6","6","1") = "6"
    & skf21("6","1","3","5","7","6","7","1") = "6"
    & skf21("6","1","3","5","7","7","1","1") = "6"
    & skf21("6","1","3","5","7","7","2","1") = "6"
    & skf21("6","1","3","5","7","7","3","1") = "6"
    & skf21("6","1","3","5","7","7","4","1") = "6"
    & skf21("6","1","3","5","7","7","5","1") = "6"
    & skf21("6","1","3","5","7","7","6","1") = "6"
    & skf21("6","1","3","5","7","7","7","1") = "6"
    & skf21("6","1","3","6","1","1","1","1") = "5"
    & skf21("6","1","3","6","1","1","2","1") = "5"
    & skf21("6","1","3","6","1","1","3","1") = "5"
    & skf21("6","1","3","6","1","1","4","1") = "5"
    & skf21("6","1","3","6","1","1","5","1") = "5"
    & skf21("6","1","3","6","1","1","6","1") = "5"
    & skf21("6","1","3","6","1","1","7","1") = "6"
    & skf21("6","1","3","6","1","2","1","1") = "5"
    & skf21("6","1","3","6","1","2","2","1") = "5"
    & skf21("6","1","3","6","1","2","3","1") = "5"
    & skf21("6","1","3","6","1","2","4","1") = "5"
    & skf21("6","1","3","6","1","2","5","1") = "5"
    & skf21("6","1","3","6","1","2","6","1") = "5"
    & skf21("6","1","3","6","1","2","7","1") = "6"
    & skf21("6","1","3","6","1","3","1","1") = "5"
    & skf21("6","1","3","6","1","3","2","1") = "5"
    & skf21("6","1","3","6","1","3","3","1") = "5"
    & skf21("6","1","3","6","1","3","4","1") = "5"
    & skf21("6","1","3","6","1","3","5","1") = "5"
    & skf21("6","1","3","6","1","3","6","1") = "5"
    & skf21("6","1","3","6","1","3","7","1") = "6"
    & skf21("6","1","3","6","1","4","1","1") = "5"
    & skf21("6","1","3","6","1","4","2","1") = "5"
    & skf21("6","1","3","6","1","4","3","1") = "5"
    & skf21("6","1","3","6","1","4","4","1") = "5"
    & skf21("6","1","3","6","1","4","5","1") = "5"
    & skf21("6","1","3","6","1","4","6","1") = "5"
    & skf21("6","1","3","6","1","4","7","1") = "6"
    & skf21("6","1","3","6","1","5","1","1") = "5"
    & skf21("6","1","3","6","1","5","2","1") = "5"
    & skf21("6","1","3","6","1","5","3","1") = "5"
    & skf21("6","1","3","6","1","5","4","1") = "5"
    & skf21("6","1","3","6","1","5","5","1") = "5"
    & skf21("6","1","3","6","1","5","6","1") = "5"
    & skf21("6","1","3","6","1","5","7","1") = "6"
    & skf21("6","1","3","6","1","6","1","1") = "5"
    & skf21("6","1","3","6","1","6","2","1") = "5"
    & skf21("6","1","3","6","1","6","3","1") = "5"
    & skf21("6","1","3","6","1","6","4","1") = "5"
    & skf21("6","1","3","6","1","6","5","1") = "5"
    & skf21("6","1","3","6","1","6","6","1") = "5"
    & skf21("6","1","3","6","1","6","7","1") = "6"
    & skf21("6","1","3","6","1","7","1","1") = "6"
    & skf21("6","1","3","6","1","7","2","1") = "6"
    & skf21("6","1","3","6","1","7","3","1") = "6"
    & skf21("6","1","3","6","1","7","4","1") = "6"
    & skf21("6","1","3","6","1","7","5","1") = "6"
    & skf21("6","1","3","6","1","7","6","1") = "6"
    & skf21("6","1","3","6","1","7","7","1") = "6"
    & skf21("6","1","3","6","2","1","1","1") = "5"
    & skf21("6","1","3","6","2","1","2","1") = "5"
    & skf21("6","1","3","6","2","1","3","1") = "5"
    & skf21("6","1","3","6","2","1","4","1") = "5"
    & skf21("6","1","3","6","2","1","5","1") = "5"
    & skf21("6","1","3","6","2","1","6","1") = "5"
    & skf21("6","1","3","6","2","1","7","1") = "6"
    & skf21("6","1","3","6","2","2","1","1") = "5"
    & skf21("6","1","3","6","2","2","2","1") = "5"
    & skf21("6","1","3","6","2","2","3","1") = "5"
    & skf21("6","1","3","6","2","2","4","1") = "5"
    & skf21("6","1","3","6","2","2","5","1") = "5"
    & skf21("6","1","3","6","2","2","6","1") = "5"
    & skf21("6","1","3","6","2","2","7","1") = "6"
    & skf21("6","1","3","6","2","3","1","1") = "5"
    & skf21("6","1","3","6","2","3","2","1") = "5"
    & skf21("6","1","3","6","2","3","3","1") = "5"
    & skf21("6","1","3","6","2","3","4","1") = "5"
    & skf21("6","1","3","6","2","3","5","1") = "5"
    & skf21("6","1","3","6","2","3","6","1") = "5"
    & skf21("6","1","3","6","2","3","7","1") = "6"
    & skf21("6","1","3","6","2","4","1","1") = "5"
    & skf21("6","1","3","6","2","4","2","1") = "5"
    & skf21("6","1","3","6","2","4","3","1") = "5"
    & skf21("6","1","3","6","2","4","4","1") = "5"
    & skf21("6","1","3","6","2","4","5","1") = "5"
    & skf21("6","1","3","6","2","4","6","1") = "5"
    & skf21("6","1","3","6","2","4","7","1") = "6"
    & skf21("6","1","3","6","2","5","1","1") = "5"
    & skf21("6","1","3","6","2","5","2","1") = "5"
    & skf21("6","1","3","6","2","5","3","1") = "5"
    & skf21("6","1","3","6","2","5","4","1") = "5"
    & skf21("6","1","3","6","2","5","5","1") = "5"
    & skf21("6","1","3","6","2","5","6","1") = "5"
    & skf21("6","1","3","6","2","5","7","1") = "6"
    & skf21("6","1","3","6","2","6","1","1") = "5"
    & skf21("6","1","3","6","2","6","2","1") = "5"
    & skf21("6","1","3","6","2","6","3","1") = "5"
    & skf21("6","1","3","6","2","6","4","1") = "5"
    & skf21("6","1","3","6","2","6","5","1") = "5"
    & skf21("6","1","3","6","2","6","6","1") = "5"
    & skf21("6","1","3","6","2","6","7","1") = "6"
    & skf21("6","1","3","6","2","7","1","1") = "6"
    & skf21("6","1","3","6","2","7","2","1") = "6"
    & skf21("6","1","3","6","2","7","3","1") = "6"
    & skf21("6","1","3","6","2","7","4","1") = "6"
    & skf21("6","1","3","6","2","7","5","1") = "6"
    & skf21("6","1","3","6","2","7","6","1") = "6"
    & skf21("6","1","3","6","2","7","7","1") = "6"
    & skf21("6","1","3","6","3","1","1","1") = "5"
    & skf21("6","1","3","6","3","1","2","1") = "5"
    & skf21("6","1","3","6","3","1","3","1") = "5"
    & skf21("6","1","3","6","3","1","4","1") = "5"
    & skf21("6","1","3","6","3","1","5","1") = "5"
    & skf21("6","1","3","6","3","1","6","1") = "5"
    & skf21("6","1","3","6","3","1","7","1") = "6"
    & skf21("6","1","3","6","3","2","1","1") = "5"
    & skf21("6","1","3","6","3","2","2","1") = "5"
    & skf21("6","1","3","6","3","2","3","1") = "5"
    & skf21("6","1","3","6","3","2","4","1") = "5"
    & skf21("6","1","3","6","3","2","5","1") = "5"
    & skf21("6","1","3","6","3","2","6","1") = "5"
    & skf21("6","1","3","6","3","2","7","1") = "6"
    & skf21("6","1","3","6","3","3","1","1") = "5"
    & skf21("6","1","3","6","3","3","2","1") = "5"
    & skf21("6","1","3","6","3","3","3","1") = "5"
    & skf21("6","1","3","6","3","3","4","1") = "5"
    & skf21("6","1","3","6","3","3","5","1") = "5"
    & skf21("6","1","3","6","3","3","6","1") = "5"
    & skf21("6","1","3","6","3","3","7","1") = "6"
    & skf21("6","1","3","6","3","4","1","1") = "5"
    & skf21("6","1","3","6","3","4","2","1") = "5"
    & skf21("6","1","3","6","3","4","3","1") = "5"
    & skf21("6","1","3","6","3","4","4","1") = "5"
    & skf21("6","1","3","6","3","4","5","1") = "5"
    & skf21("6","1","3","6","3","4","6","1") = "5"
    & skf21("6","1","3","6","3","4","7","1") = "6"
    & skf21("6","1","3","6","3","5","1","1") = "5"
    & skf21("6","1","3","6","3","5","2","1") = "5"
    & skf21("6","1","3","6","3","5","3","1") = "5"
    & skf21("6","1","3","6","3","5","4","1") = "5"
    & skf21("6","1","3","6","3","5","5","1") = "5"
    & skf21("6","1","3","6","3","5","6","1") = "5"
    & skf21("6","1","3","6","3","5","7","1") = "6"
    & skf21("6","1","3","6","3","6","1","1") = "5"
    & skf21("6","1","3","6","3","6","2","1") = "5"
    & skf21("6","1","3","6","3","6","3","1") = "5"
    & skf21("6","1","3","6","3","6","4","1") = "5"
    & skf21("6","1","3","6","3","6","5","1") = "5"
    & skf21("6","1","3","6","3","6","6","1") = "5"
    & skf21("6","1","3","6","3","6","7","1") = "6"
    & skf21("6","1","3","6","3","7","1","1") = "6"
    & skf21("6","1","3","6","3","7","2","1") = "6"
    & skf21("6","1","3","6","3","7","3","1") = "6"
    & skf21("6","1","3","6","3","7","4","1") = "6"
    & skf21("6","1","3","6","3","7","5","1") = "6"
    & skf21("6","1","3","6","3","7","6","1") = "6"
    & skf21("6","1","3","6","3","7","7","1") = "6"
    & skf21("6","1","3","6","4","1","1","1") = "5"
    & skf21("6","1","3","6","4","1","2","1") = "5"
    & skf21("6","1","3","6","4","1","3","1") = "5"
    & skf21("6","1","3","6","4","1","4","1") = "5"
    & skf21("6","1","3","6","4","1","5","1") = "5"
    & skf21("6","1","3","6","4","1","6","1") = "5"
    & skf21("6","1","3","6","4","1","7","1") = "6"
    & skf21("6","1","3","6","4","2","1","1") = "5"
    & skf21("6","1","3","6","4","2","2","1") = "5"
    & skf21("6","1","3","6","4","2","3","1") = "5"
    & skf21("6","1","3","6","4","2","4","1") = "5"
    & skf21("6","1","3","6","4","2","5","1") = "5"
    & skf21("6","1","3","6","4","2","6","1") = "5"
    & skf21("6","1","3","6","4","2","7","1") = "6"
    & skf21("6","1","3","6","4","3","1","1") = "5"
    & skf21("6","1","3","6","4","3","2","1") = "5"
    & skf21("6","1","3","6","4","3","3","1") = "5"
    & skf21("6","1","3","6","4","3","4","1") = "5"
    & skf21("6","1","3","6","4","3","5","1") = "5"
    & skf21("6","1","3","6","4","3","6","1") = "5"
    & skf21("6","1","3","6","4","3","7","1") = "6"
    & skf21("6","1","3","6","4","4","1","1") = "5"
    & skf21("6","1","3","6","4","4","2","1") = "5"
    & skf21("6","1","3","6","4","4","3","1") = "5"
    & skf21("6","1","3","6","4","4","4","1") = "5"
    & skf21("6","1","3","6","4","4","5","1") = "5"
    & skf21("6","1","3","6","4","4","6","1") = "5"
    & skf21("6","1","3","6","4","4","7","1") = "6"
    & skf21("6","1","3","6","4","5","1","1") = "5"
    & skf21("6","1","3","6","4","5","2","1") = "5"
    & skf21("6","1","3","6","4","5","3","1") = "5"
    & skf21("6","1","3","6","4","5","4","1") = "5"
    & skf21("6","1","3","6","4","5","5","1") = "5"
    & skf21("6","1","3","6","4","5","6","1") = "5"
    & skf21("6","1","3","6","4","5","7","1") = "6"
    & skf21("6","1","3","6","4","6","1","1") = "5"
    & skf21("6","1","3","6","4","6","2","1") = "5"
    & skf21("6","1","3","6","4","6","3","1") = "5"
    & skf21("6","1","3","6","4","6","4","1") = "5"
    & skf21("6","1","3","6","4","6","5","1") = "5"
    & skf21("6","1","3","6","4","6","6","1") = "5"
    & skf21("6","1","3","6","4","6","7","1") = "6"
    & skf21("6","1","3","6","4","7","1","1") = "6"
    & skf21("6","1","3","6","4","7","2","1") = "6"
    & skf21("6","1","3","6","4","7","3","1") = "6"
    & skf21("6","1","3","6","4","7","4","1") = "6"
    & skf21("6","1","3","6","4","7","5","1") = "6"
    & skf21("6","1","3","6","4","7","6","1") = "6"
    & skf21("6","1","3","6","4","7","7","1") = "6"
    & skf21("6","1","3","6","5","1","1","1") = "5"
    & skf21("6","1","3","6","5","1","2","1") = "5"
    & skf21("6","1","3","6","5","1","3","1") = "5"
    & skf21("6","1","3","6","5","1","4","1") = "5"
    & skf21("6","1","3","6","5","1","5","1") = "5"
    & skf21("6","1","3","6","5","1","6","1") = "5"
    & skf21("6","1","3","6","5","1","7","1") = "6"
    & skf21("6","1","3","6","5","2","1","1") = "5"
    & skf21("6","1","3","6","5","2","2","1") = "5"
    & skf21("6","1","3","6","5","2","3","1") = "5"
    & skf21("6","1","3","6","5","2","4","1") = "5"
    & skf21("6","1","3","6","5","2","5","1") = "5"
    & skf21("6","1","3","6","5","2","6","1") = "5"
    & skf21("6","1","3","6","5","2","7","1") = "6"
    & skf21("6","1","3","6","5","3","1","1") = "5"
    & skf21("6","1","3","6","5","3","2","1") = "5"
    & skf21("6","1","3","6","5","3","3","1") = "5"
    & skf21("6","1","3","6","5","3","4","1") = "5"
    & skf21("6","1","3","6","5","3","5","1") = "5"
    & skf21("6","1","3","6","5","3","6","1") = "5"
    & skf21("6","1","3","6","5","3","7","1") = "6"
    & skf21("6","1","3","6","5","4","1","1") = "5"
    & skf21("6","1","3","6","5","4","2","1") = "5"
    & skf21("6","1","3","6","5","4","3","1") = "5"
    & skf21("6","1","3","6","5","4","4","1") = "5"
    & skf21("6","1","3","6","5","4","5","1") = "5"
    & skf21("6","1","3","6","5","4","6","1") = "5"
    & skf21("6","1","3","6","5","4","7","1") = "6"
    & skf21("6","1","3","6","5","5","1","1") = "5"
    & skf21("6","1","3","6","5","5","2","1") = "5"
    & skf21("6","1","3","6","5","5","3","1") = "5"
    & skf21("6","1","3","6","5","5","4","1") = "5"
    & skf21("6","1","3","6","5","5","5","1") = "5"
    & skf21("6","1","3","6","5","5","6","1") = "5"
    & skf21("6","1","3","6","5","5","7","1") = "6"
    & skf21("6","1","3","6","5","6","1","1") = "5"
    & skf21("6","1","3","6","5","6","2","1") = "5"
    & skf21("6","1","3","6","5","6","3","1") = "5"
    & skf21("6","1","3","6","5","6","4","1") = "5"
    & skf21("6","1","3","6","5","6","5","1") = "5"
    & skf21("6","1","3","6","5","6","6","1") = "5"
    & skf21("6","1","3","6","5","6","7","1") = "6"
    & skf21("6","1","3","6","5","7","1","1") = "6"
    & skf21("6","1","3","6","5","7","2","1") = "6"
    & skf21("6","1","3","6","5","7","3","1") = "6"
    & skf21("6","1","3","6","5","7","4","1") = "6"
    & skf21("6","1","3","6","5","7","5","1") = "6"
    & skf21("6","1","3","6","5","7","6","1") = "6"
    & skf21("6","1","3","6","5","7","7","1") = "6"
    & skf21("6","1","3","6","6","1","1","1") = "5"
    & skf21("6","1","3","6","6","1","2","1") = "5"
    & skf21("6","1","3","6","6","1","3","1") = "5"
    & skf21("6","1","3","6","6","1","4","1") = "5"
    & skf21("6","1","3","6","6","1","5","1") = "5"
    & skf21("6","1","3","6","6","1","6","1") = "5"
    & skf21("6","1","3","6","6","1","7","1") = "6"
    & skf21("6","1","3","6","6","2","1","1") = "5"
    & skf21("6","1","3","6","6","2","2","1") = "5"
    & skf21("6","1","3","6","6","2","3","1") = "5"
    & skf21("6","1","3","6","6","2","4","1") = "5"
    & skf21("6","1","3","6","6","2","5","1") = "5"
    & skf21("6","1","3","6","6","2","6","1") = "5"
    & skf21("6","1","3","6","6","2","7","1") = "6"
    & skf21("6","1","3","6","6","3","1","1") = "5"
    & skf21("6","1","3","6","6","3","2","1") = "5"
    & skf21("6","1","3","6","6","3","3","1") = "5"
    & skf21("6","1","3","6","6","3","4","1") = "5"
    & skf21("6","1","3","6","6","3","5","1") = "5"
    & skf21("6","1","3","6","6","3","6","1") = "5"
    & skf21("6","1","3","6","6","3","7","1") = "6"
    & skf21("6","1","3","6","6","4","1","1") = "5"
    & skf21("6","1","3","6","6","4","2","1") = "5"
    & skf21("6","1","3","6","6","4","3","1") = "5"
    & skf21("6","1","3","6","6","4","4","1") = "5"
    & skf21("6","1","3","6","6","4","5","1") = "5"
    & skf21("6","1","3","6","6","4","6","1") = "5"
    & skf21("6","1","3","6","6","4","7","1") = "6"
    & skf21("6","1","3","6","6","5","1","1") = "5"
    & skf21("6","1","3","6","6","5","2","1") = "5"
    & skf21("6","1","3","6","6","5","3","1") = "5"
    & skf21("6","1","3","6","6","5","4","1") = "5"
    & skf21("6","1","3","6","6","5","5","1") = "5"
    & skf21("6","1","3","6","6","5","6","1") = "5"
    & skf21("6","1","3","6","6","5","7","1") = "6"
    & skf21("6","1","3","6","6","6","1","1") = "5"
    & skf21("6","1","3","6","6","6","2","1") = "5"
    & skf21("6","1","3","6","6","6","3","1") = "5"
    & skf21("6","1","3","6","6","6","4","1") = "5"
    & skf21("6","1","3","6","6","6","5","1") = "5"
    & skf21("6","1","3","6","6","6","6","1") = "5"
    & skf21("6","1","3","6","6","6","7","1") = "6"
    & skf21("6","1","3","6","6","7","1","1") = "6"
    & skf21("6","1","3","6","6","7","2","1") = "6"
    & skf21("6","1","3","6","6","7","3","1") = "6"
    & skf21("6","1","3","6","6","7","4","1") = "6"
    & skf21("6","1","3","6","6","7","5","1") = "6"
    & skf21("6","1","3","6","6","7","6","1") = "6"
    & skf21("6","1","3","6","6","7","7","1") = "6"
    & skf21("6","1","3","6","7","1","1","1") = "6"
    & skf21("6","1","3","6","7","1","2","1") = "6"
    & skf21("6","1","3","6","7","1","3","1") = "6"
    & skf21("6","1","3","6","7","1","4","1") = "6"
    & skf21("6","1","3","6","7","1","5","1") = "6"
    & skf21("6","1","3","6","7","1","6","1") = "6"
    & skf21("6","1","3","6","7","1","7","1") = "6"
    & skf21("6","1","3","6","7","2","1","1") = "6"
    & skf21("6","1","3","6","7","2","2","1") = "6"
    & skf21("6","1","3","6","7","2","3","1") = "6"
    & skf21("6","1","3","6","7","2","4","1") = "6"
    & skf21("6","1","3","6","7","2","5","1") = "6"
    & skf21("6","1","3","6","7","2","6","1") = "6"
    & skf21("6","1","3","6","7","2","7","1") = "6"
    & skf21("6","1","3","6","7","3","1","1") = "6"
    & skf21("6","1","3","6","7","3","2","1") = "6"
    & skf21("6","1","3","6","7","3","3","1") = "6"
    & skf21("6","1","3","6","7","3","4","1") = "6"
    & skf21("6","1","3","6","7","3","5","1") = "6"
    & skf21("6","1","3","6","7","3","6","1") = "6"
    & skf21("6","1","3","6","7","3","7","1") = "6"
    & skf21("6","1","3","6","7","4","1","1") = "6"
    & skf21("6","1","3","6","7","4","2","1") = "6"
    & skf21("6","1","3","6","7","4","3","1") = "6"
    & skf21("6","1","3","6","7","4","4","1") = "6"
    & skf21("6","1","3","6","7","4","5","1") = "6"
    & skf21("6","1","3","6","7","4","6","1") = "6"
    & skf21("6","1","3","6","7","4","7","1") = "6"
    & skf21("6","1","3","6","7","5","1","1") = "6"
    & skf21("6","1","3","6","7","5","2","1") = "6"
    & skf21("6","1","3","6","7","5","3","1") = "6"
    & skf21("6","1","3","6","7","5","4","1") = "6"
    & skf21("6","1","3","6","7","5","5","1") = "6"
    & skf21("6","1","3","6","7","5","6","1") = "6"
    & skf21("6","1","3","6","7","5","7","1") = "6"
    & skf21("6","1","3","6","7","6","1","1") = "6"
    & skf21("6","1","3","6","7","6","2","1") = "6"
    & skf21("6","1","3","6","7","6","3","1") = "6"
    & skf21("6","1","3","6","7","6","4","1") = "6"
    & skf21("6","1","3","6","7","6","5","1") = "6"
    & skf21("6","1","3","6","7","6","6","1") = "6"
    & skf21("6","1","3","6","7","6","7","1") = "6"
    & skf21("6","1","3","6","7","7","1","1") = "6"
    & skf21("6","1","3","6","7","7","2","1") = "6"
    & skf21("6","1","3","6","7","7","3","1") = "6"
    & skf21("6","1","3","6","7","7","4","1") = "6"
    & skf21("6","1","3","6","7","7","5","1") = "6"
    & skf21("6","1","3","6","7","7","6","1") = "6"
    & skf21("6","1","3","6","7","7","7","1") = "6"
    & skf21("6","1","3","7","1","1","1","1") = "6"
    & skf21("6","1","3","7","1","1","2","1") = "6"
    & skf21("6","1","3","7","1","1","3","1") = "6"
    & skf21("6","1","3","7","1","1","4","1") = "6"
    & skf21("6","1","3","7","1","1","5","1") = "6"
    & skf21("6","1","3","7","1","1","6","1") = "6"
    & skf21("6","1","3","7","1","1","7","1") = "6"
    & skf21("6","1","3","7","1","2","1","1") = "6"
    & skf21("6","1","3","7","1","2","2","1") = "6"
    & skf21("6","1","3","7","1","2","3","1") = "6"
    & skf21("6","1","3","7","1","2","4","1") = "6"
    & skf21("6","1","3","7","1","2","5","1") = "6"
    & skf21("6","1","3","7","1","2","6","1") = "6"
    & skf21("6","1","3","7","1","2","7","1") = "6"
    & skf21("6","1","3","7","1","3","1","1") = "6"
    & skf21("6","1","3","7","1","3","2","1") = "6"
    & skf21("6","1","3","7","1","3","3","1") = "6"
    & skf21("6","1","3","7","1","3","4","1") = "6"
    & skf21("6","1","3","7","1","3","5","1") = "6"
    & skf21("6","1","3","7","1","3","6","1") = "6"
    & skf21("6","1","3","7","1","3","7","1") = "6"
    & skf21("6","1","3","7","1","4","1","1") = "6"
    & skf21("6","1","3","7","1","4","2","1") = "6"
    & skf21("6","1","3","7","1","4","3","1") = "6"
    & skf21("6","1","3","7","1","4","4","1") = "6"
    & skf21("6","1","3","7","1","4","5","1") = "6"
    & skf21("6","1","3","7","1","4","6","1") = "6"
    & skf21("6","1","3","7","1","4","7","1") = "6"
    & skf21("6","1","3","7","1","5","1","1") = "6"
    & skf21("6","1","3","7","1","5","2","1") = "6"
    & skf21("6","1","3","7","1","5","3","1") = "6"
    & skf21("6","1","3","7","1","5","4","1") = "6"
    & skf21("6","1","3","7","1","5","5","1") = "6"
    & skf21("6","1","3","7","1","5","6","1") = "6"
    & skf21("6","1","3","7","1","5","7","1") = "6"
    & skf21("6","1","3","7","1","6","1","1") = "6"
    & skf21("6","1","3","7","1","6","2","1") = "6"
    & skf21("6","1","3","7","1","6","3","1") = "6"
    & skf21("6","1","3","7","1","6","4","1") = "6"
    & skf21("6","1","3","7","1","6","5","1") = "6"
    & skf21("6","1","3","7","1","6","6","1") = "6"
    & skf21("6","1","3","7","1","6","7","1") = "6"
    & skf21("6","1","3","7","1","7","1","1") = "6"
    & skf21("6","1","3","7","1","7","2","1") = "6"
    & skf21("6","1","3","7","1","7","3","1") = "6"
    & skf21("6","1","3","7","1","7","4","1") = "6"
    & skf21("6","1","3","7","1","7","5","1") = "6"
    & skf21("6","1","3","7","1","7","6","1") = "6"
    & skf21("6","1","3","7","1","7","7","1") = "6"
    & skf21("6","1","3","7","2","1","1","1") = "6"
    & skf21("6","1","3","7","2","1","2","1") = "6"
    & skf21("6","1","3","7","2","1","3","1") = "6"
    & skf21("6","1","3","7","2","1","4","1") = "6"
    & skf21("6","1","3","7","2","1","5","1") = "6"
    & skf21("6","1","3","7","2","1","6","1") = "6"
    & skf21("6","1","3","7","2","1","7","1") = "6"
    & skf21("6","1","3","7","2","2","1","1") = "6"
    & skf21("6","1","3","7","2","2","2","1") = "6"
    & skf21("6","1","3","7","2","2","3","1") = "6"
    & skf21("6","1","3","7","2","2","4","1") = "6"
    & skf21("6","1","3","7","2","2","5","1") = "6"
    & skf21("6","1","3","7","2","2","6","1") = "6"
    & skf21("6","1","3","7","2","2","7","1") = "6"
    & skf21("6","1","3","7","2","3","1","1") = "6"
    & skf21("6","1","3","7","2","3","2","1") = "6"
    & skf21("6","1","3","7","2","3","3","1") = "6"
    & skf21("6","1","3","7","2","3","4","1") = "6"
    & skf21("6","1","3","7","2","3","5","1") = "6"
    & skf21("6","1","3","7","2","3","6","1") = "6"
    & skf21("6","1","3","7","2","3","7","1") = "6"
    & skf21("6","1","3","7","2","4","1","1") = "6"
    & skf21("6","1","3","7","2","4","2","1") = "6"
    & skf21("6","1","3","7","2","4","3","1") = "6"
    & skf21("6","1","3","7","2","4","4","1") = "6"
    & skf21("6","1","3","7","2","4","5","1") = "6"
    & skf21("6","1","3","7","2","4","6","1") = "6"
    & skf21("6","1","3","7","2","4","7","1") = "6"
    & skf21("6","1","3","7","2","5","1","1") = "6"
    & skf21("6","1","3","7","2","5","2","1") = "6"
    & skf21("6","1","3","7","2","5","3","1") = "6"
    & skf21("6","1","3","7","2","5","4","1") = "6"
    & skf21("6","1","3","7","2","5","5","1") = "6"
    & skf21("6","1","3","7","2","5","6","1") = "6"
    & skf21("6","1","3","7","2","5","7","1") = "6"
    & skf21("6","1","3","7","2","6","1","1") = "6"
    & skf21("6","1","3","7","2","6","2","1") = "6"
    & skf21("6","1","3","7","2","6","3","1") = "6"
    & skf21("6","1","3","7","2","6","4","1") = "6"
    & skf21("6","1","3","7","2","6","5","1") = "6"
    & skf21("6","1","3","7","2","6","6","1") = "6"
    & skf21("6","1","3","7","2","6","7","1") = "6"
    & skf21("6","1","3","7","2","7","1","1") = "6"
    & skf21("6","1","3","7","2","7","2","1") = "6"
    & skf21("6","1","3","7","2","7","3","1") = "6"
    & skf21("6","1","3","7","2","7","4","1") = "6"
    & skf21("6","1","3","7","2","7","5","1") = "6"
    & skf21("6","1","3","7","2","7","6","1") = "6"
    & skf21("6","1","3","7","2","7","7","1") = "6"
    & skf21("6","1","3","7","3","1","1","1") = "6"
    & skf21("6","1","3","7","3","1","2","1") = "6"
    & skf21("6","1","3","7","3","1","3","1") = "6"
    & skf21("6","1","3","7","3","1","4","1") = "6"
    & skf21("6","1","3","7","3","1","5","1") = "6"
    & skf21("6","1","3","7","3","1","6","1") = "6"
    & skf21("6","1","3","7","3","1","7","1") = "6"
    & skf21("6","1","3","7","3","2","1","1") = "6"
    & skf21("6","1","3","7","3","2","2","1") = "6"
    & skf21("6","1","3","7","3","2","3","1") = "6"
    & skf21("6","1","3","7","3","2","4","1") = "6"
    & skf21("6","1","3","7","3","2","5","1") = "6"
    & skf21("6","1","3","7","3","2","6","1") = "6"
    & skf21("6","1","3","7","3","2","7","1") = "6"
    & skf21("6","1","3","7","3","3","1","1") = "6"
    & skf21("6","1","3","7","3","3","2","1") = "6"
    & skf21("6","1","3","7","3","3","3","1") = "6"
    & skf21("6","1","3","7","3","3","4","1") = "6"
    & skf21("6","1","3","7","3","3","5","1") = "6"
    & skf21("6","1","3","7","3","3","6","1") = "6"
    & skf21("6","1","3","7","3","3","7","1") = "6"
    & skf21("6","1","3","7","3","4","1","1") = "6"
    & skf21("6","1","3","7","3","4","2","1") = "6"
    & skf21("6","1","3","7","3","4","3","1") = "6"
    & skf21("6","1","3","7","3","4","4","1") = "6"
    & skf21("6","1","3","7","3","4","5","1") = "6"
    & skf21("6","1","3","7","3","4","6","1") = "6"
    & skf21("6","1","3","7","3","4","7","1") = "6"
    & skf21("6","1","3","7","3","5","1","1") = "6"
    & skf21("6","1","3","7","3","5","2","1") = "6"
    & skf21("6","1","3","7","3","5","3","1") = "6"
    & skf21("6","1","3","7","3","5","4","1") = "6"
    & skf21("6","1","3","7","3","5","5","1") = "6"
    & skf21("6","1","3","7","3","5","6","1") = "6"
    & skf21("6","1","3","7","3","5","7","1") = "6"
    & skf21("6","1","3","7","3","6","1","1") = "6"
    & skf21("6","1","3","7","3","6","2","1") = "6"
    & skf21("6","1","3","7","3","6","3","1") = "6"
    & skf21("6","1","3","7","3","6","4","1") = "6"
    & skf21("6","1","3","7","3","6","5","1") = "6"
    & skf21("6","1","3","7","3","6","6","1") = "6"
    & skf21("6","1","3","7","3","6","7","1") = "6"
    & skf21("6","1","3","7","3","7","1","1") = "6"
    & skf21("6","1","3","7","3","7","2","1") = "6"
    & skf21("6","1","3","7","3","7","3","1") = "6"
    & skf21("6","1","3","7","3","7","4","1") = "6"
    & skf21("6","1","3","7","3","7","5","1") = "6"
    & skf21("6","1","3","7","3","7","6","1") = "6"
    & skf21("6","1","3","7","3","7","7","1") = "6"
    & skf21("6","1","3","7","4","1","1","1") = "6"
    & skf21("6","1","3","7","4","1","2","1") = "6"
    & skf21("6","1","3","7","4","1","3","1") = "6"
    & skf21("6","1","3","7","4","1","4","1") = "6"
    & skf21("6","1","3","7","4","1","5","1") = "6"
    & skf21("6","1","3","7","4","1","6","1") = "6"
    & skf21("6","1","3","7","4","1","7","1") = "6"
    & skf21("6","1","3","7","4","2","1","1") = "6"
    & skf21("6","1","3","7","4","2","2","1") = "6"
    & skf21("6","1","3","7","4","2","3","1") = "6"
    & skf21("6","1","3","7","4","2","4","1") = "6"
    & skf21("6","1","3","7","4","2","5","1") = "6"
    & skf21("6","1","3","7","4","2","6","1") = "6"
    & skf21("6","1","3","7","4","2","7","1") = "6"
    & skf21("6","1","3","7","4","3","1","1") = "6"
    & skf21("6","1","3","7","4","3","2","1") = "6"
    & skf21("6","1","3","7","4","3","3","1") = "6"
    & skf21("6","1","3","7","4","3","4","1") = "6"
    & skf21("6","1","3","7","4","3","5","1") = "6"
    & skf21("6","1","3","7","4","3","6","1") = "6"
    & skf21("6","1","3","7","4","3","7","1") = "6"
    & skf21("6","1","3","7","4","4","1","1") = "6"
    & skf21("6","1","3","7","4","4","2","1") = "6"
    & skf21("6","1","3","7","4","4","3","1") = "6"
    & skf21("6","1","3","7","4","4","4","1") = "6"
    & skf21("6","1","3","7","4","4","5","1") = "6"
    & skf21("6","1","3","7","4","4","6","1") = "6"
    & skf21("6","1","3","7","4","4","7","1") = "6"
    & skf21("6","1","3","7","4","5","1","1") = "6"
    & skf21("6","1","3","7","4","5","2","1") = "6"
    & skf21("6","1","3","7","4","5","3","1") = "6"
    & skf21("6","1","3","7","4","5","4","1") = "6"
    & skf21("6","1","3","7","4","5","5","1") = "6"
    & skf21("6","1","3","7","4","5","6","1") = "6"
    & skf21("6","1","3","7","4","5","7","1") = "6"
    & skf21("6","1","3","7","4","6","1","1") = "6"
    & skf21("6","1","3","7","4","6","2","1") = "6"
    & skf21("6","1","3","7","4","6","3","1") = "6"
    & skf21("6","1","3","7","4","6","4","1") = "6"
    & skf21("6","1","3","7","4","6","5","1") = "6"
    & skf21("6","1","3","7","4","6","6","1") = "6"
    & skf21("6","1","3","7","4","6","7","1") = "6"
    & skf21("6","1","3","7","4","7","1","1") = "6"
    & skf21("6","1","3","7","4","7","2","1") = "6"
    & skf21("6","1","3","7","4","7","3","1") = "6"
    & skf21("6","1","3","7","4","7","4","1") = "6"
    & skf21("6","1","3","7","4","7","5","1") = "6"
    & skf21("6","1","3","7","4","7","6","1") = "6"
    & skf21("6","1","3","7","4","7","7","1") = "6"
    & skf21("6","1","3","7","5","1","1","1") = "6"
    & skf21("6","1","3","7","5","1","2","1") = "6"
    & skf21("6","1","3","7","5","1","3","1") = "6"
    & skf21("6","1","3","7","5","1","4","1") = "6"
    & skf21("6","1","3","7","5","1","5","1") = "6"
    & skf21("6","1","3","7","5","1","6","1") = "6"
    & skf21("6","1","3","7","5","1","7","1") = "6"
    & skf21("6","1","3","7","5","2","1","1") = "6"
    & skf21("6","1","3","7","5","2","2","1") = "6"
    & skf21("6","1","3","7","5","2","3","1") = "6"
    & skf21("6","1","3","7","5","2","4","1") = "6"
    & skf21("6","1","3","7","5","2","5","1") = "6"
    & skf21("6","1","3","7","5","2","6","1") = "6"
    & skf21("6","1","3","7","5","2","7","1") = "6"
    & skf21("6","1","3","7","5","3","1","1") = "6"
    & skf21("6","1","3","7","5","3","2","1") = "6"
    & skf21("6","1","3","7","5","3","3","1") = "6"
    & skf21("6","1","3","7","5","3","4","1") = "6"
    & skf21("6","1","3","7","5","3","5","1") = "6"
    & skf21("6","1","3","7","5","3","6","1") = "6"
    & skf21("6","1","3","7","5","3","7","1") = "6"
    & skf21("6","1","3","7","5","4","1","1") = "6"
    & skf21("6","1","3","7","5","4","2","1") = "6"
    & skf21("6","1","3","7","5","4","3","1") = "6"
    & skf21("6","1","3","7","5","4","4","1") = "6"
    & skf21("6","1","3","7","5","4","5","1") = "6"
    & skf21("6","1","3","7","5","4","6","1") = "6"
    & skf21("6","1","3","7","5","4","7","1") = "6"
    & skf21("6","1","3","7","5","5","1","1") = "6"
    & skf21("6","1","3","7","5","5","2","1") = "6"
    & skf21("6","1","3","7","5","5","3","1") = "6"
    & skf21("6","1","3","7","5","5","4","1") = "6"
    & skf21("6","1","3","7","5","5","5","1") = "6"
    & skf21("6","1","3","7","5","5","6","1") = "6"
    & skf21("6","1","3","7","5","5","7","1") = "6"
    & skf21("6","1","3","7","5","6","1","1") = "6"
    & skf21("6","1","3","7","5","6","2","1") = "6"
    & skf21("6","1","3","7","5","6","3","1") = "6"
    & skf21("6","1","3","7","5","6","4","1") = "6"
    & skf21("6","1","3","7","5","6","5","1") = "6"
    & skf21("6","1","3","7","5","6","6","1") = "6"
    & skf21("6","1","3","7","5","6","7","1") = "6"
    & skf21("6","1","3","7","5","7","1","1") = "6"
    & skf21("6","1","3","7","5","7","2","1") = "6"
    & skf21("6","1","3","7","5","7","3","1") = "6"
    & skf21("6","1","3","7","5","7","4","1") = "6"
    & skf21("6","1","3","7","5","7","5","1") = "6"
    & skf21("6","1","3","7","5","7","6","1") = "6"
    & skf21("6","1","3","7","5","7","7","1") = "6"
    & skf21("6","1","3","7","6","1","1","1") = "6"
    & skf21("6","1","3","7","6","1","2","1") = "6"
    & skf21("6","1","3","7","6","1","3","1") = "6"
    & skf21("6","1","3","7","6","1","4","1") = "6"
    & skf21("6","1","3","7","6","1","5","1") = "6"
    & skf21("6","1","3","7","6","1","6","1") = "6"
    & skf21("6","1","3","7","6","1","7","1") = "6"
    & skf21("6","1","3","7","6","2","1","1") = "6"
    & skf21("6","1","3","7","6","2","2","1") = "6"
    & skf21("6","1","3","7","6","2","3","1") = "6"
    & skf21("6","1","3","7","6","2","4","1") = "6"
    & skf21("6","1","3","7","6","2","5","1") = "6"
    & skf21("6","1","3","7","6","2","6","1") = "6"
    & skf21("6","1","3","7","6","2","7","1") = "6"
    & skf21("6","1","3","7","6","3","1","1") = "6"
    & skf21("6","1","3","7","6","3","2","1") = "6"
    & skf21("6","1","3","7","6","3","3","1") = "6"
    & skf21("6","1","3","7","6","3","4","1") = "6"
    & skf21("6","1","3","7","6","3","5","1") = "6"
    & skf21("6","1","3","7","6","3","6","1") = "6"
    & skf21("6","1","3","7","6","3","7","1") = "6"
    & skf21("6","1","3","7","6","4","1","1") = "6"
    & skf21("6","1","3","7","6","4","2","1") = "6"
    & skf21("6","1","3","7","6","4","3","1") = "6"
    & skf21("6","1","3","7","6","4","4","1") = "6"
    & skf21("6","1","3","7","6","4","5","1") = "6"
    & skf21("6","1","3","7","6","4","6","1") = "6"
    & skf21("6","1","3","7","6","4","7","1") = "6"
    & skf21("6","1","3","7","6","5","1","1") = "6"
    & skf21("6","1","3","7","6","5","2","1") = "6"
    & skf21("6","1","3","7","6","5","3","1") = "6"
    & skf21("6","1","3","7","6","5","4","1") = "6"
    & skf21("6","1","3","7","6","5","5","1") = "6"
    & skf21("6","1","3","7","6","5","6","1") = "6"
    & skf21("6","1","3","7","6","5","7","1") = "6"
    & skf21("6","1","3","7","6","6","1","1") = "6"
    & skf21("6","1","3","7","6","6","2","1") = "6"
    & skf21("6","1","3","7","6","6","3","1") = "6"
    & skf21("6","1","3","7","6","6","4","1") = "6"
    & skf21("6","1","3","7","6","6","5","1") = "6"
    & skf21("6","1","3","7","6","6","6","1") = "6"
    & skf21("6","1","3","7","6","6","7","1") = "6"
    & skf21("6","1","3","7","6","7","1","1") = "6"
    & skf21("6","1","3","7","6","7","2","1") = "6"
    & skf21("6","1","3","7","6","7","3","1") = "6"
    & skf21("6","1","3","7","6","7","4","1") = "6"
    & skf21("6","1","3","7","6","7","5","1") = "6"
    & skf21("6","1","3","7","6","7","6","1") = "6"
    & skf21("6","1","3","7","6","7","7","1") = "6"
    & skf21("6","1","3","7","7","1","1","1") = "6"
    & skf21("6","1","3","7","7","1","2","1") = "6"
    & skf21("6","1","3","7","7","1","3","1") = "6"
    & skf21("6","1","3","7","7","1","4","1") = "6"
    & skf21("6","1","3","7","7","1","5","1") = "6"
    & skf21("6","1","3","7","7","1","6","1") = "6"
    & skf21("6","1","3","7","7","1","7","1") = "6"
    & skf21("6","1","3","7","7","2","1","1") = "6"
    & skf21("6","1","3","7","7","2","2","1") = "6"
    & skf21("6","1","3","7","7","2","3","1") = "6"
    & skf21("6","1","3","7","7","2","4","1") = "6"
    & skf21("6","1","3","7","7","2","5","1") = "6"
    & skf21("6","1","3","7","7","2","6","1") = "6"
    & skf21("6","1","3","7","7","2","7","1") = "6"
    & skf21("6","1","3","7","7","3","1","1") = "6"
    & skf21("6","1","3","7","7","3","2","1") = "6"
    & skf21("6","1","3","7","7","3","3","1") = "6"
    & skf21("6","1","3","7","7","3","4","1") = "6"
    & skf21("6","1","3","7","7","3","5","1") = "6"
    & skf21("6","1","3","7","7","3","6","1") = "6"
    & skf21("6","1","3","7","7","3","7","1") = "6"
    & skf21("6","1","3","7","7","4","1","1") = "6"
    & skf21("6","1","3","7","7","4","2","1") = "6"
    & skf21("6","1","3","7","7","4","3","1") = "6"
    & skf21("6","1","3","7","7","4","4","1") = "6"
    & skf21("6","1","3","7","7","4","5","1") = "6"
    & skf21("6","1","3","7","7","4","6","1") = "6"
    & skf21("6","1","3","7","7","4","7","1") = "6"
    & skf21("6","1","3","7","7","5","1","1") = "6"
    & skf21("6","1","3","7","7","5","2","1") = "6"
    & skf21("6","1","3","7","7","5","3","1") = "6"
    & skf21("6","1","3","7","7","5","4","1") = "6"
    & skf21("6","1","3","7","7","5","5","1") = "6"
    & skf21("6","1","3","7","7","5","6","1") = "6"
    & skf21("6","1","3","7","7","5","7","1") = "6"
    & skf21("6","1","3","7","7","6","1","1") = "6"
    & skf21("6","1","3","7","7","6","2","1") = "6"
    & skf21("6","1","3","7","7","6","3","1") = "6"
    & skf21("6","1","3","7","7","6","4","1") = "6"
    & skf21("6","1","3","7","7","6","5","1") = "6"
    & skf21("6","1","3","7","7","6","6","1") = "6"
    & skf21("6","1","3","7","7","6","7","1") = "6"
    & skf21("6","1","3","7","7","7","1","1") = "6"
    & skf21("6","1","3","7","7","7","2","1") = "6"
    & skf21("6","1","3","7","7","7","3","1") = "6"
    & skf21("6","1","3","7","7","7","4","1") = "6"
    & skf21("6","1","3","7","7","7","5","1") = "6"
    & skf21("6","1","3","7","7","7","6","1") = "6"
    & skf21("6","1","3","7","7","7","7","1") = "6"
    & skf21("6","1","4","1","1","1","1","1") = "5"
    & skf21("6","1","4","1","1","1","2","1") = "5"
    & skf21("6","1","4","1","1","1","3","1") = "5"
    & skf21("6","1","4","1","1","1","4","1") = "5"
    & skf21("6","1","4","1","1","1","5","1") = "5"
    & skf21("6","1","4","1","1","1","6","1") = "5"
    & skf21("6","1","4","1","1","1","7","1") = "6"
    & skf21("6","1","4","1","1","2","1","1") = "5"
    & skf21("6","1","4","1","1","2","2","1") = "5"
    & skf21("6","1","4","1","1","2","3","1") = "5"
    & skf21("6","1","4","1","1","2","4","1") = "5"
    & skf21("6","1","4","1","1","2","5","1") = "5"
    & skf21("6","1","4","1","1","2","6","1") = "5"
    & skf21("6","1","4","1","1","2","7","1") = "6"
    & skf21("6","1","4","1","1","3","1","1") = "5"
    & skf21("6","1","4","1","1","3","2","1") = "5"
    & skf21("6","1","4","1","1","3","3","1") = "5"
    & skf21("6","1","4","1","1","3","4","1") = "5"
    & skf21("6","1","4","1","1","3","5","1") = "5"
    & skf21("6","1","4","1","1","3","6","1") = "5"
    & skf21("6","1","4","1","1","3","7","1") = "6"
    & skf21("6","1","4","1","1","4","1","1") = "5"
    & skf21("6","1","4","1","1","4","2","1") = "5"
    & skf21("6","1","4","1","1","4","3","1") = "5"
    & skf21("6","1","4","1","1","4","4","1") = "5"
    & skf21("6","1","4","1","1","4","5","1") = "5"
    & skf21("6","1","4","1","1","4","6","1") = "5"
    & skf21("6","1","4","1","1","4","7","1") = "6"
    & skf21("6","1","4","1","1","5","1","1") = "5"
    & skf21("6","1","4","1","1","5","2","1") = "5"
    & skf21("6","1","4","1","1","5","3","1") = "5"
    & skf21("6","1","4","1","1","5","4","1") = "5"
    & skf21("6","1","4","1","1","5","5","1") = "5"
    & skf21("6","1","4","1","1","5","6","1") = "5"
    & skf21("6","1","4","1","1","5","7","1") = "6"
    & skf21("6","1","4","1","1","6","1","1") = "5"
    & skf21("6","1","4","1","1","6","2","1") = "5"
    & skf21("6","1","4","1","1","6","3","1") = "5"
    & skf21("6","1","4","1","1","6","4","1") = "5"
    & skf21("6","1","4","1","1","6","5","1") = "5"
    & skf21("6","1","4","1","1","6","6","1") = "5"
    & skf21("6","1","4","1","1","6","7","1") = "6"
    & skf21("6","1","4","1","1","7","1","1") = "6"
    & skf21("6","1","4","1","1","7","2","1") = "6"
    & skf21("6","1","4","1","1","7","3","1") = "6"
    & skf21("6","1","4","1","1","7","4","1") = "6"
    & skf21("6","1","4","1","1","7","5","1") = "6"
    & skf21("6","1","4","1","1","7","6","1") = "6"
    & skf21("6","1","4","1","1","7","7","1") = "6"
    & skf21("6","1","4","1","2","1","1","1") = "5"
    & skf21("6","1","4","1","2","1","2","1") = "5"
    & skf21("6","1","4","1","2","1","3","1") = "5"
    & skf21("6","1","4","1","2","1","4","1") = "5"
    & skf21("6","1","4","1","2","1","5","1") = "5"
    & skf21("6","1","4","1","2","1","6","1") = "5"
    & skf21("6","1","4","1","2","1","7","1") = "6"
    & skf21("6","1","4","1","2","2","1","1") = "5"
    & skf21("6","1","4","1","2","2","2","1") = "5"
    & skf21("6","1","4","1","2","2","3","1") = "5"
    & skf21("6","1","4","1","2","2","4","1") = "5"
    & skf21("6","1","4","1","2","2","5","1") = "5"
    & skf21("6","1","4","1","2","2","6","1") = "5"
    & skf21("6","1","4","1","2","2","7","1") = "6"
    & skf21("6","1","4","1","2","3","1","1") = "5"
    & skf21("6","1","4","1","2","3","2","1") = "5"
    & skf21("6","1","4","1","2","3","3","1") = "5"
    & skf21("6","1","4","1","2","3","4","1") = "5"
    & skf21("6","1","4","1","2","3","5","1") = "5"
    & skf21("6","1","4","1","2","3","6","1") = "5"
    & skf21("6","1","4","1","2","3","7","1") = "6"
    & skf21("6","1","4","1","2","4","1","1") = "5"
    & skf21("6","1","4","1","2","4","2","1") = "5"
    & skf21("6","1","4","1","2","4","3","1") = "5"
    & skf21("6","1","4","1","2","4","4","1") = "5"
    & skf21("6","1","4","1","2","4","5","1") = "5"
    & skf21("6","1","4","1","2","4","6","1") = "5"
    & skf21("6","1","4","1","2","4","7","1") = "6"
    & skf21("6","1","4","1","2","5","1","1") = "5"
    & skf21("6","1","4","1","2","5","2","1") = "5"
    & skf21("6","1","4","1","2","5","3","1") = "5"
    & skf21("6","1","4","1","2","5","4","1") = "5"
    & skf21("6","1","4","1","2","5","5","1") = "5"
    & skf21("6","1","4","1","2","5","6","1") = "5"
    & skf21("6","1","4","1","2","5","7","1") = "6"
    & skf21("6","1","4","1","2","6","1","1") = "5"
    & skf21("6","1","4","1","2","6","2","1") = "5"
    & skf21("6","1","4","1","2","6","3","1") = "5"
    & skf21("6","1","4","1","2","6","4","1") = "5"
    & skf21("6","1","4","1","2","6","5","1") = "5"
    & skf21("6","1","4","1","2","6","6","1") = "5"
    & skf21("6","1","4","1","2","6","7","1") = "6"
    & skf21("6","1","4","1","2","7","1","1") = "6"
    & skf21("6","1","4","1","2","7","2","1") = "6"
    & skf21("6","1","4","1","2","7","3","1") = "6"
    & skf21("6","1","4","1","2","7","4","1") = "6"
    & skf21("6","1","4","1","2","7","5","1") = "6"
    & skf21("6","1","4","1","2","7","6","1") = "6"
    & skf21("6","1","4","1","2","7","7","1") = "6"
    & skf21("6","1","4","1","3","1","1","1") = "5"
    & skf21("6","1","4","1","3","1","2","1") = "5"
    & skf21("6","1","4","1","3","1","3","1") = "5"
    & skf21("6","1","4","1","3","1","4","1") = "5"
    & skf21("6","1","4","1","3","1","5","1") = "5"
    & skf21("6","1","4","1","3","1","6","1") = "5"
    & skf21("6","1","4","1","3","1","7","1") = "6"
    & skf21("6","1","4","1","3","2","1","1") = "5"
    & skf21("6","1","4","1","3","2","2","1") = "5"
    & skf21("6","1","4","1","3","2","3","1") = "5"
    & skf21("6","1","4","1","3","2","4","1") = "5"
    & skf21("6","1","4","1","3","2","5","1") = "5"
    & skf21("6","1","4","1","3","2","6","1") = "5"
    & skf21("6","1","4","1","3","2","7","1") = "6"
    & skf21("6","1","4","1","3","3","1","1") = "5"
    & skf21("6","1","4","1","3","3","2","1") = "5"
    & skf21("6","1","4","1","3","3","3","1") = "5"
    & skf21("6","1","4","1","3","3","4","1") = "5"
    & skf21("6","1","4","1","3","3","5","1") = "5"
    & skf21("6","1","4","1","3","3","6","1") = "5"
    & skf21("6","1","4","1","3","3","7","1") = "6"
    & skf21("6","1","4","1","3","4","1","1") = "5"
    & skf21("6","1","4","1","3","4","2","1") = "5"
    & skf21("6","1","4","1","3","4","3","1") = "5"
    & skf21("6","1","4","1","3","4","4","1") = "5"
    & skf21("6","1","4","1","3","4","5","1") = "5"
    & skf21("6","1","4","1","3","4","6","1") = "5"
    & skf21("6","1","4","1","3","4","7","1") = "6"
    & skf21("6","1","4","1","3","5","1","1") = "5"
    & skf21("6","1","4","1","3","5","2","1") = "5"
    & skf21("6","1","4","1","3","5","3","1") = "5"
    & skf21("6","1","4","1","3","5","4","1") = "5"
    & skf21("6","1","4","1","3","5","5","1") = "5"
    & skf21("6","1","4","1","3","5","6","1") = "5"
    & skf21("6","1","4","1","3","5","7","1") = "6"
    & skf21("6","1","4","1","3","6","1","1") = "5"
    & skf21("6","1","4","1","3","6","2","1") = "5"
    & skf21("6","1","4","1","3","6","3","1") = "5"
    & skf21("6","1","4","1","3","6","4","1") = "5"
    & skf21("6","1","4","1","3","6","5","1") = "5"
    & skf21("6","1","4","1","3","6","6","1") = "5"
    & skf21("6","1","4","1","3","6","7","1") = "6"
    & skf21("6","1","4","1","3","7","1","1") = "6"
    & skf21("6","1","4","1","3","7","2","1") = "6"
    & skf21("6","1","4","1","3","7","3","1") = "6"
    & skf21("6","1","4","1","3","7","4","1") = "6"
    & skf21("6","1","4","1","3","7","5","1") = "6"
    & skf21("6","1","4","1","3","7","6","1") = "6"
    & skf21("6","1","4","1","3","7","7","1") = "6"
    & skf21("6","1","4","1","4","1","1","1") = "5"
    & skf21("6","1","4","1","4","1","2","1") = "5"
    & skf21("6","1","4","1","4","1","3","1") = "5"
    & skf21("6","1","4","1","4","1","4","1") = "5"
    & skf21("6","1","4","1","4","1","5","1") = "5"
    & skf21("6","1","4","1","4","1","6","1") = "5"
    & skf21("6","1","4","1","4","1","7","1") = "6"
    & skf21("6","1","4","1","4","2","1","1") = "5"
    & skf21("6","1","4","1","4","2","2","1") = "5"
    & skf21("6","1","4","1","4","2","3","1") = "5"
    & skf21("6","1","4","1","4","2","4","1") = "5"
    & skf21("6","1","4","1","4","2","5","1") = "5"
    & skf21("6","1","4","1","4","2","6","1") = "5"
    & skf21("6","1","4","1","4","2","7","1") = "6"
    & skf21("6","1","4","1","4","3","1","1") = "5"
    & skf21("6","1","4","1","4","3","2","1") = "5"
    & skf21("6","1","4","1","4","3","3","1") = "5"
    & skf21("6","1","4","1","4","3","4","1") = "5"
    & skf21("6","1","4","1","4","3","5","1") = "5"
    & skf21("6","1","4","1","4","3","6","1") = "5"
    & skf21("6","1","4","1","4","3","7","1") = "6"
    & skf21("6","1","4","1","4","4","1","1") = "5"
    & skf21("6","1","4","1","4","4","2","1") = "5"
    & skf21("6","1","4","1","4","4","3","1") = "5"
    & skf21("6","1","4","1","4","4","4","1") = "5"
    & skf21("6","1","4","1","4","4","5","1") = "5"
    & skf21("6","1","4","1","4","4","6","1") = "5"
    & skf21("6","1","4","1","4","4","7","1") = "6"
    & skf21("6","1","4","1","4","5","1","1") = "5"
    & skf21("6","1","4","1","4","5","2","1") = "5"
    & skf21("6","1","4","1","4","5","3","1") = "5"
    & skf21("6","1","4","1","4","5","4","1") = "5"
    & skf21("6","1","4","1","4","5","5","1") = "5"
    & skf21("6","1","4","1","4","5","6","1") = "5"
    & skf21("6","1","4","1","4","5","7","1") = "6"
    & skf21("6","1","4","1","4","6","1","1") = "5"
    & skf21("6","1","4","1","4","6","2","1") = "5"
    & skf21("6","1","4","1","4","6","3","1") = "5"
    & skf21("6","1","4","1","4","6","4","1") = "5"
    & skf21("6","1","4","1","4","6","5","1") = "5"
    & skf21("6","1","4","1","4","6","6","1") = "5"
    & skf21("6","1","4","1","4","6","7","1") = "6"
    & skf21("6","1","4","1","4","7","1","1") = "6"
    & skf21("6","1","4","1","4","7","2","1") = "6"
    & skf21("6","1","4","1","4","7","3","1") = "6"
    & skf21("6","1","4","1","4","7","4","1") = "6"
    & skf21("6","1","4","1","4","7","5","1") = "6"
    & skf21("6","1","4","1","4","7","6","1") = "6"
    & skf21("6","1","4","1","4","7","7","1") = "6"
    & skf21("6","1","4","1","5","1","1","1") = "5"
    & skf21("6","1","4","1","5","1","2","1") = "5"
    & skf21("6","1","4","1","5","1","3","1") = "5"
    & skf21("6","1","4","1","5","1","4","1") = "5"
    & skf21("6","1","4","1","5","1","5","1") = "5"
    & skf21("6","1","4","1","5","1","6","1") = "5"
    & skf21("6","1","4","1","5","1","7","1") = "6"
    & skf21("6","1","4","1","5","2","1","1") = "5"
    & skf21("6","1","4","1","5","2","2","1") = "5"
    & skf21("6","1","4","1","5","2","3","1") = "5"
    & skf21("6","1","4","1","5","2","4","1") = "5"
    & skf21("6","1","4","1","5","2","5","1") = "5"
    & skf21("6","1","4","1","5","2","6","1") = "5"
    & skf21("6","1","4","1","5","2","7","1") = "6"
    & skf21("6","1","4","1","5","3","1","1") = "5"
    & skf21("6","1","4","1","5","3","2","1") = "5"
    & skf21("6","1","4","1","5","3","3","1") = "5"
    & skf21("6","1","4","1","5","3","4","1") = "5"
    & skf21("6","1","4","1","5","3","5","1") = "5"
    & skf21("6","1","4","1","5","3","6","1") = "5"
    & skf21("6","1","4","1","5","3","7","1") = "6"
    & skf21("6","1","4","1","5","4","1","1") = "5"
    & skf21("6","1","4","1","5","4","2","1") = "5"
    & skf21("6","1","4","1","5","4","3","1") = "5"
    & skf21("6","1","4","1","5","4","4","1") = "5"
    & skf21("6","1","4","1","5","4","5","1") = "5"
    & skf21("6","1","4","1","5","4","6","1") = "5"
    & skf21("6","1","4","1","5","4","7","1") = "6"
    & skf21("6","1","4","1","5","5","1","1") = "5"
    & skf21("6","1","4","1","5","5","2","1") = "5"
    & skf21("6","1","4","1","5","5","3","1") = "5"
    & skf21("6","1","4","1","5","5","4","1") = "5"
    & skf21("6","1","4","1","5","5","5","1") = "5"
    & skf21("6","1","4","1","5","5","6","1") = "5"
    & skf21("6","1","4","1","5","5","7","1") = "6"
    & skf21("6","1","4","1","5","6","1","1") = "5"
    & skf21("6","1","4","1","5","6","2","1") = "5"
    & skf21("6","1","4","1","5","6","3","1") = "5"
    & skf21("6","1","4","1","5","6","4","1") = "5"
    & skf21("6","1","4","1","5","6","5","1") = "5"
    & skf21("6","1","4","1","5","6","6","1") = "5"
    & skf21("6","1","4","1","5","6","7","1") = "6"
    & skf21("6","1","4","1","5","7","1","1") = "6"
    & skf21("6","1","4","1","5","7","2","1") = "6"
    & skf21("6","1","4","1","5","7","3","1") = "6"
    & skf21("6","1","4","1","5","7","4","1") = "6"
    & skf21("6","1","4","1","5","7","5","1") = "6"
    & skf21("6","1","4","1","5","7","6","1") = "6"
    & skf21("6","1","4","1","5","7","7","1") = "6"
    & skf21("6","1","4","1","6","1","1","1") = "5"
    & skf21("6","1","4","1","6","1","2","1") = "5"
    & skf21("6","1","4","1","6","1","3","1") = "5"
    & skf21("6","1","4","1","6","1","4","1") = "5"
    & skf21("6","1","4","1","6","1","5","1") = "5"
    & skf21("6","1","4","1","6","1","6","1") = "5"
    & skf21("6","1","4","1","6","1","7","1") = "6"
    & skf21("6","1","4","1","6","2","1","1") = "5"
    & skf21("6","1","4","1","6","2","2","1") = "5"
    & skf21("6","1","4","1","6","2","3","1") = "5"
    & skf21("6","1","4","1","6","2","4","1") = "5"
    & skf21("6","1","4","1","6","2","5","1") = "5"
    & skf21("6","1","4","1","6","2","6","1") = "5"
    & skf21("6","1","4","1","6","2","7","1") = "6"
    & skf21("6","1","4","1","6","3","1","1") = "5"
    & skf21("6","1","4","1","6","3","2","1") = "5"
    & skf21("6","1","4","1","6","3","3","1") = "5"
    & skf21("6","1","4","1","6","3","4","1") = "5"
    & skf21("6","1","4","1","6","3","5","1") = "5"
    & skf21("6","1","4","1","6","3","6","1") = "5"
    & skf21("6","1","4","1","6","3","7","1") = "6"
    & skf21("6","1","4","1","6","4","1","1") = "5"
    & skf21("6","1","4","1","6","4","2","1") = "5"
    & skf21("6","1","4","1","6","4","3","1") = "5"
    & skf21("6","1","4","1","6","4","4","1") = "5"
    & skf21("6","1","4","1","6","4","5","1") = "5"
    & skf21("6","1","4","1","6","4","6","1") = "5"
    & skf21("6","1","4","1","6","4","7","1") = "6"
    & skf21("6","1","4","1","6","5","1","1") = "5"
    & skf21("6","1","4","1","6","5","2","1") = "5"
    & skf21("6","1","4","1","6","5","3","1") = "5"
    & skf21("6","1","4","1","6","5","4","1") = "5"
    & skf21("6","1","4","1","6","5","5","1") = "5"
    & skf21("6","1","4","1","6","5","6","1") = "5"
    & skf21("6","1","4","1","6","5","7","1") = "6"
    & skf21("6","1","4","1","6","6","1","1") = "5"
    & skf21("6","1","4","1","6","6","2","1") = "5"
    & skf21("6","1","4","1","6","6","3","1") = "5"
    & skf21("6","1","4","1","6","6","4","1") = "5"
    & skf21("6","1","4","1","6","6","5","1") = "5"
    & skf21("6","1","4","1","6","6","6","1") = "5"
    & skf21("6","1","4","1","6","6","7","1") = "6"
    & skf21("6","1","4","1","6","7","1","1") = "6"
    & skf21("6","1","4","1","6","7","2","1") = "6"
    & skf21("6","1","4","1","6","7","3","1") = "6"
    & skf21("6","1","4","1","6","7","4","1") = "6"
    & skf21("6","1","4","1","6","7","5","1") = "6"
    & skf21("6","1","4","1","6","7","6","1") = "6"
    & skf21("6","1","4","1","6","7","7","1") = "6"
    & skf21("6","1","4","1","7","1","1","1") = "6"
    & skf21("6","1","4","1","7","1","2","1") = "6"
    & skf21("6","1","4","1","7","1","3","1") = "6"
    & skf21("6","1","4","1","7","1","4","1") = "6"
    & skf21("6","1","4","1","7","1","5","1") = "6"
    & skf21("6","1","4","1","7","1","6","1") = "6"
    & skf21("6","1","4","1","7","1","7","1") = "6"
    & skf21("6","1","4","1","7","2","1","1") = "6"
    & skf21("6","1","4","1","7","2","2","1") = "6"
    & skf21("6","1","4","1","7","2","3","1") = "6"
    & skf21("6","1","4","1","7","2","4","1") = "6"
    & skf21("6","1","4","1","7","2","5","1") = "6"
    & skf21("6","1","4","1","7","2","6","1") = "6"
    & skf21("6","1","4","1","7","2","7","1") = "6"
    & skf21("6","1","4","1","7","3","1","1") = "6"
    & skf21("6","1","4","1","7","3","2","1") = "6"
    & skf21("6","1","4","1","7","3","3","1") = "6"
    & skf21("6","1","4","1","7","3","4","1") = "6"
    & skf21("6","1","4","1","7","3","5","1") = "6"
    & skf21("6","1","4","1","7","3","6","1") = "6"
    & skf21("6","1","4","1","7","3","7","1") = "6"
    & skf21("6","1","4","1","7","4","1","1") = "6"
    & skf21("6","1","4","1","7","4","2","1") = "6"
    & skf21("6","1","4","1","7","4","3","1") = "6"
    & skf21("6","1","4","1","7","4","4","1") = "6"
    & skf21("6","1","4","1","7","4","5","1") = "6"
    & skf21("6","1","4","1","7","4","6","1") = "6"
    & skf21("6","1","4","1","7","4","7","1") = "6"
    & skf21("6","1","4","1","7","5","1","1") = "6"
    & skf21("6","1","4","1","7","5","2","1") = "6"
    & skf21("6","1","4","1","7","5","3","1") = "6"
    & skf21("6","1","4","1","7","5","4","1") = "6"
    & skf21("6","1","4","1","7","5","5","1") = "6"
    & skf21("6","1","4","1","7","5","6","1") = "6"
    & skf21("6","1","4","1","7","5","7","1") = "6"
    & skf21("6","1","4","1","7","6","1","1") = "6"
    & skf21("6","1","4","1","7","6","2","1") = "6"
    & skf21("6","1","4","1","7","6","3","1") = "6"
    & skf21("6","1","4","1","7","6","4","1") = "6"
    & skf21("6","1","4","1","7","6","5","1") = "6"
    & skf21("6","1","4","1","7","6","6","1") = "6"
    & skf21("6","1","4","1","7","6","7","1") = "6"
    & skf21("6","1","4","1","7","7","1","1") = "6"
    & skf21("6","1","4","1","7","7","2","1") = "6"
    & skf21("6","1","4","1","7","7","3","1") = "6"
    & skf21("6","1","4","1","7","7","4","1") = "6"
    & skf21("6","1","4","1","7","7","5","1") = "6"
    & skf21("6","1","4","1","7","7","6","1") = "6"
    & skf21("6","1","4","1","7","7","7","1") = "6"
    & skf21("6","1","4","2","1","1","1","1") = "5"
    & skf21("6","1","4","2","1","1","2","1") = "5"
    & skf21("6","1","4","2","1","1","3","1") = "5"
    & skf21("6","1","4","2","1","1","4","1") = "5"
    & skf21("6","1","4","2","1","1","5","1") = "5"
    & skf21("6","1","4","2","1","1","6","1") = "5"
    & skf21("6","1","4","2","1","1","7","1") = "6"
    & skf21("6","1","4","2","1","2","1","1") = "5"
    & skf21("6","1","4","2","1","2","2","1") = "5"
    & skf21("6","1","4","2","1","2","3","1") = "5"
    & skf21("6","1","4","2","1","2","4","1") = "5"
    & skf21("6","1","4","2","1","2","5","1") = "5"
    & skf21("6","1","4","2","1","2","6","1") = "5"
    & skf21("6","1","4","2","1","2","7","1") = "6"
    & skf21("6","1","4","2","1","3","1","1") = "5"
    & skf21("6","1","4","2","1","3","2","1") = "5"
    & skf21("6","1","4","2","1","3","3","1") = "5"
    & skf21("6","1","4","2","1","3","4","1") = "5"
    & skf21("6","1","4","2","1","3","5","1") = "5"
    & skf21("6","1","4","2","1","3","6","1") = "5"
    & skf21("6","1","4","2","1","3","7","1") = "6"
    & skf21("6","1","4","2","1","4","1","1") = "5"
    & skf21("6","1","4","2","1","4","2","1") = "5"
    & skf21("6","1","4","2","1","4","3","1") = "5"
    & skf21("6","1","4","2","1","4","4","1") = "5"
    & skf21("6","1","4","2","1","4","5","1") = "5"
    & skf21("6","1","4","2","1","4","6","1") = "5"
    & skf21("6","1","4","2","1","4","7","1") = "6"
    & skf21("6","1","4","2","1","5","1","1") = "5"
    & skf21("6","1","4","2","1","5","2","1") = "5"
    & skf21("6","1","4","2","1","5","3","1") = "5"
    & skf21("6","1","4","2","1","5","4","1") = "5"
    & skf21("6","1","4","2","1","5","5","1") = "5"
    & skf21("6","1","4","2","1","5","6","1") = "5"
    & skf21("6","1","4","2","1","5","7","1") = "6"
    & skf21("6","1","4","2","1","6","1","1") = "5"
    & skf21("6","1","4","2","1","6","2","1") = "5"
    & skf21("6","1","4","2","1","6","3","1") = "5"
    & skf21("6","1","4","2","1","6","4","1") = "5"
    & skf21("6","1","4","2","1","6","5","1") = "5"
    & skf21("6","1","4","2","1","6","6","1") = "5"
    & skf21("6","1","4","2","1","6","7","1") = "6"
    & skf21("6","1","4","2","1","7","1","1") = "6"
    & skf21("6","1","4","2","1","7","2","1") = "6"
    & skf21("6","1","4","2","1","7","3","1") = "6"
    & skf21("6","1","4","2","1","7","4","1") = "6"
    & skf21("6","1","4","2","1","7","5","1") = "6"
    & skf21("6","1","4","2","1","7","6","1") = "6"
    & skf21("6","1","4","2","1","7","7","1") = "6"
    & skf21("6","1","4","2","2","1","1","1") = "5"
    & skf21("6","1","4","2","2","1","2","1") = "5"
    & skf21("6","1","4","2","2","1","3","1") = "5"
    & skf21("6","1","4","2","2","1","4","1") = "5"
    & skf21("6","1","4","2","2","1","5","1") = "5"
    & skf21("6","1","4","2","2","1","6","1") = "5"
    & skf21("6","1","4","2","2","1","7","1") = "6"
    & skf21("6","1","4","2","2","2","1","1") = "5"
    & skf21("6","1","4","2","2","2","2","1") = "5"
    & skf21("6","1","4","2","2","2","3","1") = "5"
    & skf21("6","1","4","2","2","2","4","1") = "5"
    & skf21("6","1","4","2","2","2","5","1") = "5"
    & skf21("6","1","4","2","2","2","6","1") = "5"
    & skf21("6","1","4","2","2","2","7","1") = "6"
    & skf21("6","1","4","2","2","3","1","1") = "5"
    & skf21("6","1","4","2","2","3","2","1") = "5"
    & skf21("6","1","4","2","2","3","3","1") = "5"
    & skf21("6","1","4","2","2","3","4","1") = "5"
    & skf21("6","1","4","2","2","3","5","1") = "5"
    & skf21("6","1","4","2","2","3","6","1") = "5"
    & skf21("6","1","4","2","2","3","7","1") = "6"
    & skf21("6","1","4","2","2","4","1","1") = "5"
    & skf21("6","1","4","2","2","4","2","1") = "5"
    & skf21("6","1","4","2","2","4","3","1") = "5"
    & skf21("6","1","4","2","2","4","4","1") = "5"
    & skf21("6","1","4","2","2","4","5","1") = "5"
    & skf21("6","1","4","2","2","4","6","1") = "5"
    & skf21("6","1","4","2","2","4","7","1") = "6"
    & skf21("6","1","4","2","2","5","1","1") = "5"
    & skf21("6","1","4","2","2","5","2","1") = "5"
    & skf21("6","1","4","2","2","5","3","1") = "5"
    & skf21("6","1","4","2","2","5","4","1") = "5"
    & skf21("6","1","4","2","2","5","5","1") = "5"
    & skf21("6","1","4","2","2","5","6","1") = "5"
    & skf21("6","1","4","2","2","5","7","1") = "6"
    & skf21("6","1","4","2","2","6","1","1") = "5"
    & skf21("6","1","4","2","2","6","2","1") = "5"
    & skf21("6","1","4","2","2","6","3","1") = "5"
    & skf21("6","1","4","2","2","6","4","1") = "5"
    & skf21("6","1","4","2","2","6","5","1") = "5"
    & skf21("6","1","4","2","2","6","6","1") = "5"
    & skf21("6","1","4","2","2","6","7","1") = "6"
    & skf21("6","1","4","2","2","7","1","1") = "6"
    & skf21("6","1","4","2","2","7","2","1") = "6"
    & skf21("6","1","4","2","2","7","3","1") = "6"
    & skf21("6","1","4","2","2","7","4","1") = "6"
    & skf21("6","1","4","2","2","7","5","1") = "6"
    & skf21("6","1","4","2","2","7","6","1") = "6"
    & skf21("6","1","4","2","2","7","7","1") = "6"
    & skf21("6","1","4","2","3","1","1","1") = "5"
    & skf21("6","1","4","2","3","1","2","1") = "5"
    & skf21("6","1","4","2","3","1","3","1") = "5"
    & skf21("6","1","4","2","3","1","4","1") = "5"
    & skf21("6","1","4","2","3","1","5","1") = "5"
    & skf21("6","1","4","2","3","1","6","1") = "5"
    & skf21("6","1","4","2","3","1","7","1") = "6"
    & skf21("6","1","4","2","3","2","1","1") = "5"
    & skf21("6","1","4","2","3","2","2","1") = "5"
    & skf21("6","1","4","2","3","2","3","1") = "5"
    & skf21("6","1","4","2","3","2","4","1") = "5"
    & skf21("6","1","4","2","3","2","5","1") = "5"
    & skf21("6","1","4","2","3","2","6","1") = "5"
    & skf21("6","1","4","2","3","2","7","1") = "6"
    & skf21("6","1","4","2","3","3","1","1") = "5"
    & skf21("6","1","4","2","3","3","2","1") = "5"
    & skf21("6","1","4","2","3","3","3","1") = "5"
    & skf21("6","1","4","2","3","3","4","1") = "5"
    & skf21("6","1","4","2","3","3","5","1") = "5"
    & skf21("6","1","4","2","3","3","6","1") = "5"
    & skf21("6","1","4","2","3","3","7","1") = "6"
    & skf21("6","1","4","2","3","4","1","1") = "5"
    & skf21("6","1","4","2","3","4","2","1") = "5"
    & skf21("6","1","4","2","3","4","3","1") = "5"
    & skf21("6","1","4","2","3","4","4","1") = "5"
    & skf21("6","1","4","2","3","4","5","1") = "5"
    & skf21("6","1","4","2","3","4","6","1") = "5"
    & skf21("6","1","4","2","3","4","7","1") = "6"
    & skf21("6","1","4","2","3","5","1","1") = "5"
    & skf21("6","1","4","2","3","5","2","1") = "5"
    & skf21("6","1","4","2","3","5","3","1") = "5"
    & skf21("6","1","4","2","3","5","4","1") = "5"
    & skf21("6","1","4","2","3","5","5","1") = "5"
    & skf21("6","1","4","2","3","5","6","1") = "5"
    & skf21("6","1","4","2","3","5","7","1") = "6"
    & skf21("6","1","4","2","3","6","1","1") = "5"
    & skf21("6","1","4","2","3","6","2","1") = "5"
    & skf21("6","1","4","2","3","6","3","1") = "5"
    & skf21("6","1","4","2","3","6","4","1") = "5"
    & skf21("6","1","4","2","3","6","5","1") = "5"
    & skf21("6","1","4","2","3","6","6","1") = "5"
    & skf21("6","1","4","2","3","6","7","1") = "6"
    & skf21("6","1","4","2","3","7","1","1") = "6"
    & skf21("6","1","4","2","3","7","2","1") = "6"
    & skf21("6","1","4","2","3","7","3","1") = "6"
    & skf21("6","1","4","2","3","7","4","1") = "6"
    & skf21("6","1","4","2","3","7","5","1") = "6"
    & skf21("6","1","4","2","3","7","6","1") = "6"
    & skf21("6","1","4","2","3","7","7","1") = "6"
    & skf21("6","1","4","2","4","1","1","1") = "5"
    & skf21("6","1","4","2","4","1","2","1") = "5"
    & skf21("6","1","4","2","4","1","3","1") = "5"
    & skf21("6","1","4","2","4","1","4","1") = "5"
    & skf21("6","1","4","2","4","1","5","1") = "5"
    & skf21("6","1","4","2","4","1","6","1") = "5"
    & skf21("6","1","4","2","4","1","7","1") = "6"
    & skf21("6","1","4","2","4","2","1","1") = "5"
    & skf21("6","1","4","2","4","2","2","1") = "5"
    & skf21("6","1","4","2","4","2","3","1") = "5"
    & skf21("6","1","4","2","4","2","4","1") = "5"
    & skf21("6","1","4","2","4","2","5","1") = "5"
    & skf21("6","1","4","2","4","2","6","1") = "5"
    & skf21("6","1","4","2","4","2","7","1") = "6"
    & skf21("6","1","4","2","4","3","1","1") = "5"
    & skf21("6","1","4","2","4","3","2","1") = "5"
    & skf21("6","1","4","2","4","3","3","1") = "5"
    & skf21("6","1","4","2","4","3","4","1") = "5"
    & skf21("6","1","4","2","4","3","5","1") = "5"
    & skf21("6","1","4","2","4","3","6","1") = "5"
    & skf21("6","1","4","2","4","3","7","1") = "6"
    & skf21("6","1","4","2","4","4","1","1") = "5"
    & skf21("6","1","4","2","4","4","2","1") = "5"
    & skf21("6","1","4","2","4","4","3","1") = "5"
    & skf21("6","1","4","2","4","4","4","1") = "5"
    & skf21("6","1","4","2","4","4","5","1") = "5"
    & skf21("6","1","4","2","4","4","6","1") = "5"
    & skf21("6","1","4","2","4","4","7","1") = "6"
    & skf21("6","1","4","2","4","5","1","1") = "5"
    & skf21("6","1","4","2","4","5","2","1") = "5"
    & skf21("6","1","4","2","4","5","3","1") = "5"
    & skf21("6","1","4","2","4","5","4","1") = "5"
    & skf21("6","1","4","2","4","5","5","1") = "5"
    & skf21("6","1","4","2","4","5","6","1") = "5"
    & skf21("6","1","4","2","4","5","7","1") = "6"
    & skf21("6","1","4","2","4","6","1","1") = "5"
    & skf21("6","1","4","2","4","6","2","1") = "5"
    & skf21("6","1","4","2","4","6","3","1") = "5"
    & skf21("6","1","4","2","4","6","4","1") = "5"
    & skf21("6","1","4","2","4","6","5","1") = "5"
    & skf21("6","1","4","2","4","6","6","1") = "5"
    & skf21("6","1","4","2","4","6","7","1") = "6"
    & skf21("6","1","4","2","4","7","1","1") = "6"
    & skf21("6","1","4","2","4","7","2","1") = "6"
    & skf21("6","1","4","2","4","7","3","1") = "6"
    & skf21("6","1","4","2","4","7","4","1") = "6"
    & skf21("6","1","4","2","4","7","5","1") = "6"
    & skf21("6","1","4","2","4","7","6","1") = "6"
    & skf21("6","1","4","2","4","7","7","1") = "6"
    & skf21("6","1","4","2","5","1","1","1") = "5"
    & skf21("6","1","4","2","5","1","2","1") = "5"
    & skf21("6","1","4","2","5","1","3","1") = "5"
    & skf21("6","1","4","2","5","1","4","1") = "5"
    & skf21("6","1","4","2","5","1","5","1") = "5"
    & skf21("6","1","4","2","5","1","6","1") = "5"
    & skf21("6","1","4","2","5","1","7","1") = "6"
    & skf21("6","1","4","2","5","2","1","1") = "5"
    & skf21("6","1","4","2","5","2","2","1") = "5"
    & skf21("6","1","4","2","5","2","3","1") = "5"
    & skf21("6","1","4","2","5","2","4","1") = "5"
    & skf21("6","1","4","2","5","2","5","1") = "5"
    & skf21("6","1","4","2","5","2","6","1") = "5"
    & skf21("6","1","4","2","5","2","7","1") = "6"
    & skf21("6","1","4","2","5","3","1","1") = "5"
    & skf21("6","1","4","2","5","3","2","1") = "5"
    & skf21("6","1","4","2","5","3","3","1") = "5"
    & skf21("6","1","4","2","5","3","4","1") = "5"
    & skf21("6","1","4","2","5","3","5","1") = "5"
    & skf21("6","1","4","2","5","3","6","1") = "5"
    & skf21("6","1","4","2","5","3","7","1") = "6"
    & skf21("6","1","4","2","5","4","1","1") = "5"
    & skf21("6","1","4","2","5","4","2","1") = "5"
    & skf21("6","1","4","2","5","4","3","1") = "5"
    & skf21("6","1","4","2","5","4","4","1") = "5"
    & skf21("6","1","4","2","5","4","5","1") = "5"
    & skf21("6","1","4","2","5","4","6","1") = "5"
    & skf21("6","1","4","2","5","4","7","1") = "6"
    & skf21("6","1","4","2","5","5","1","1") = "5"
    & skf21("6","1","4","2","5","5","2","1") = "5"
    & skf21("6","1","4","2","5","5","3","1") = "5"
    & skf21("6","1","4","2","5","5","4","1") = "5"
    & skf21("6","1","4","2","5","5","5","1") = "5"
    & skf21("6","1","4","2","5","5","6","1") = "5"
    & skf21("6","1","4","2","5","5","7","1") = "6"
    & skf21("6","1","4","2","5","6","1","1") = "5"
    & skf21("6","1","4","2","5","6","2","1") = "5"
    & skf21("6","1","4","2","5","6","3","1") = "5"
    & skf21("6","1","4","2","5","6","4","1") = "5"
    & skf21("6","1","4","2","5","6","5","1") = "5"
    & skf21("6","1","4","2","5","6","6","1") = "5"
    & skf21("6","1","4","2","5","6","7","1") = "6"
    & skf21("6","1","4","2","5","7","1","1") = "6"
    & skf21("6","1","4","2","5","7","2","1") = "6"
    & skf21("6","1","4","2","5","7","3","1") = "6"
    & skf21("6","1","4","2","5","7","4","1") = "6"
    & skf21("6","1","4","2","5","7","5","1") = "6"
    & skf21("6","1","4","2","5","7","6","1") = "6"
    & skf21("6","1","4","2","5","7","7","1") = "6"
    & skf21("6","1","4","2","6","1","1","1") = "5"
    & skf21("6","1","4","2","6","1","2","1") = "5"
    & skf21("6","1","4","2","6","1","3","1") = "5"
    & skf21("6","1","4","2","6","1","4","1") = "5"
    & skf21("6","1","4","2","6","1","5","1") = "5"
    & skf21("6","1","4","2","6","1","6","1") = "5"
    & skf21("6","1","4","2","6","1","7","1") = "6"
    & skf21("6","1","4","2","6","2","1","1") = "5"
    & skf21("6","1","4","2","6","2","2","1") = "5"
    & skf21("6","1","4","2","6","2","3","1") = "5"
    & skf21("6","1","4","2","6","2","4","1") = "5"
    & skf21("6","1","4","2","6","2","5","1") = "5"
    & skf21("6","1","4","2","6","2","6","1") = "5"
    & skf21("6","1","4","2","6","2","7","1") = "6"
    & skf21("6","1","4","2","6","3","1","1") = "5"
    & skf21("6","1","4","2","6","3","2","1") = "5"
    & skf21("6","1","4","2","6","3","3","1") = "5"
    & skf21("6","1","4","2","6","3","4","1") = "5"
    & skf21("6","1","4","2","6","3","5","1") = "5"
    & skf21("6","1","4","2","6","3","6","1") = "5"
    & skf21("6","1","4","2","6","3","7","1") = "6"
    & skf21("6","1","4","2","6","4","1","1") = "5"
    & skf21("6","1","4","2","6","4","2","1") = "5"
    & skf21("6","1","4","2","6","4","3","1") = "5"
    & skf21("6","1","4","2","6","4","4","1") = "5"
    & skf21("6","1","4","2","6","4","5","1") = "5"
    & skf21("6","1","4","2","6","4","6","1") = "5"
    & skf21("6","1","4","2","6","4","7","1") = "6"
    & skf21("6","1","4","2","6","5","1","1") = "5"
    & skf21("6","1","4","2","6","5","2","1") = "5"
    & skf21("6","1","4","2","6","5","3","1") = "5"
    & skf21("6","1","4","2","6","5","4","1") = "5"
    & skf21("6","1","4","2","6","5","5","1") = "5"
    & skf21("6","1","4","2","6","5","6","1") = "5"
    & skf21("6","1","4","2","6","5","7","1") = "6"
    & skf21("6","1","4","2","6","6","1","1") = "5"
    & skf21("6","1","4","2","6","6","2","1") = "5"
    & skf21("6","1","4","2","6","6","3","1") = "5"
    & skf21("6","1","4","2","6","6","4","1") = "5"
    & skf21("6","1","4","2","6","6","5","1") = "5"
    & skf21("6","1","4","2","6","6","6","1") = "5"
    & skf21("6","1","4","2","6","6","7","1") = "6"
    & skf21("6","1","4","2","6","7","1","1") = "6"
    & skf21("6","1","4","2","6","7","2","1") = "6"
    & skf21("6","1","4","2","6","7","3","1") = "6"
    & skf21("6","1","4","2","6","7","4","1") = "6"
    & skf21("6","1","4","2","6","7","5","1") = "6"
    & skf21("6","1","4","2","6","7","6","1") = "6"
    & skf21("6","1","4","2","6","7","7","1") = "6"
    & skf21("6","1","4","2","7","1","1","1") = "6"
    & skf21("6","1","4","2","7","1","2","1") = "6"
    & skf21("6","1","4","2","7","1","3","1") = "6"
    & skf21("6","1","4","2","7","1","4","1") = "6"
    & skf21("6","1","4","2","7","1","5","1") = "6"
    & skf21("6","1","4","2","7","1","6","1") = "6"
    & skf21("6","1","4","2","7","1","7","1") = "6"
    & skf21("6","1","4","2","7","2","1","1") = "6"
    & skf21("6","1","4","2","7","2","2","1") = "6"
    & skf21("6","1","4","2","7","2","3","1") = "6"
    & skf21("6","1","4","2","7","2","4","1") = "6"
    & skf21("6","1","4","2","7","2","5","1") = "6"
    & skf21("6","1","4","2","7","2","6","1") = "6"
    & skf21("6","1","4","2","7","2","7","1") = "6"
    & skf21("6","1","4","2","7","3","1","1") = "6"
    & skf21("6","1","4","2","7","3","2","1") = "6"
    & skf21("6","1","4","2","7","3","3","1") = "6"
    & skf21("6","1","4","2","7","3","4","1") = "6"
    & skf21("6","1","4","2","7","3","5","1") = "6"
    & skf21("6","1","4","2","7","3","6","1") = "6"
    & skf21("6","1","4","2","7","3","7","1") = "6"
    & skf21("6","1","4","2","7","4","1","1") = "6"
    & skf21("6","1","4","2","7","4","2","1") = "6"
    & skf21("6","1","4","2","7","4","3","1") = "6"
    & skf21("6","1","4","2","7","4","4","1") = "6"
    & skf21("6","1","4","2","7","4","5","1") = "6"
    & skf21("6","1","4","2","7","4","6","1") = "6"
    & skf21("6","1","4","2","7","4","7","1") = "6"
    & skf21("6","1","4","2","7","5","1","1") = "6"
    & skf21("6","1","4","2","7","5","2","1") = "6"
    & skf21("6","1","4","2","7","5","3","1") = "6"
    & skf21("6","1","4","2","7","5","4","1") = "6"
    & skf21("6","1","4","2","7","5","5","1") = "6"
    & skf21("6","1","4","2","7","5","6","1") = "6"
    & skf21("6","1","4","2","7","5","7","1") = "6"
    & skf21("6","1","4","2","7","6","1","1") = "6"
    & skf21("6","1","4","2","7","6","2","1") = "6"
    & skf21("6","1","4","2","7","6","3","1") = "6"
    & skf21("6","1","4","2","7","6","4","1") = "6"
    & skf21("6","1","4","2","7","6","5","1") = "6"
    & skf21("6","1","4","2","7","6","6","1") = "6"
    & skf21("6","1","4","2","7","6","7","1") = "6"
    & skf21("6","1","4","2","7","7","1","1") = "6"
    & skf21("6","1","4","2","7","7","2","1") = "6"
    & skf21("6","1","4","2","7","7","3","1") = "6"
    & skf21("6","1","4","2","7","7","4","1") = "6"
    & skf21("6","1","4","2","7","7","5","1") = "6"
    & skf21("6","1","4","2","7","7","6","1") = "6"
    & skf21("6","1","4","2","7","7","7","1") = "6"
    & skf21("6","1","4","3","1","1","1","1") = "5"
    & skf21("6","1","4","3","1","1","2","1") = "5"
    & skf21("6","1","4","3","1","1","3","1") = "5"
    & skf21("6","1","4","3","1","1","4","1") = "5"
    & skf21("6","1","4","3","1","1","5","1") = "5"
    & skf21("6","1","4","3","1","1","6","1") = "5"
    & skf21("6","1","4","3","1","1","7","1") = "6"
    & skf21("6","1","4","3","1","2","1","1") = "5"
    & skf21("6","1","4","3","1","2","2","1") = "5"
    & skf21("6","1","4","3","1","2","3","1") = "5"
    & skf21("6","1","4","3","1","2","4","1") = "5"
    & skf21("6","1","4","3","1","2","5","1") = "5"
    & skf21("6","1","4","3","1","2","6","1") = "5"
    & skf21("6","1","4","3","1","2","7","1") = "6"
    & skf21("6","1","4","3","1","3","1","1") = "5"
    & skf21("6","1","4","3","1","3","2","1") = "5"
    & skf21("6","1","4","3","1","3","3","1") = "5"
    & skf21("6","1","4","3","1","3","4","1") = "5"
    & skf21("6","1","4","3","1","3","5","1") = "5"
    & skf21("6","1","4","3","1","3","6","1") = "5"
    & skf21("6","1","4","3","1","3","7","1") = "6"
    & skf21("6","1","4","3","1","4","1","1") = "5"
    & skf21("6","1","4","3","1","4","2","1") = "5"
    & skf21("6","1","4","3","1","4","3","1") = "5"
    & skf21("6","1","4","3","1","4","4","1") = "5"
    & skf21("6","1","4","3","1","4","5","1") = "5"
    & skf21("6","1","4","3","1","4","6","1") = "5"
    & skf21("6","1","4","3","1","4","7","1") = "6"
    & skf21("6","1","4","3","1","5","1","1") = "5"
    & skf21("6","1","4","3","1","5","2","1") = "5"
    & skf21("6","1","4","3","1","5","3","1") = "5"
    & skf21("6","1","4","3","1","5","4","1") = "5"
    & skf21("6","1","4","3","1","5","5","1") = "5"
    & skf21("6","1","4","3","1","5","6","1") = "5"
    & skf21("6","1","4","3","1","5","7","1") = "6"
    & skf21("6","1","4","3","1","6","1","1") = "5"
    & skf21("6","1","4","3","1","6","2","1") = "5"
    & skf21("6","1","4","3","1","6","3","1") = "5"
    & skf21("6","1","4","3","1","6","4","1") = "5"
    & skf21("6","1","4","3","1","6","5","1") = "5"
    & skf21("6","1","4","3","1","6","6","1") = "5"
    & skf21("6","1","4","3","1","6","7","1") = "6"
    & skf21("6","1","4","3","1","7","1","1") = "6"
    & skf21("6","1","4","3","1","7","2","1") = "6"
    & skf21("6","1","4","3","1","7","3","1") = "6"
    & skf21("6","1","4","3","1","7","4","1") = "6"
    & skf21("6","1","4","3","1","7","5","1") = "6"
    & skf21("6","1","4","3","1","7","6","1") = "6"
    & skf21("6","1","4","3","1","7","7","1") = "6"
    & skf21("6","1","4","3","2","1","1","1") = "5"
    & skf21("6","1","4","3","2","1","2","1") = "5"
    & skf21("6","1","4","3","2","1","3","1") = "5"
    & skf21("6","1","4","3","2","1","4","1") = "5"
    & skf21("6","1","4","3","2","1","5","1") = "5"
    & skf21("6","1","4","3","2","1","6","1") = "5"
    & skf21("6","1","4","3","2","1","7","1") = "6"
    & skf21("6","1","4","3","2","2","1","1") = "5"
    & skf21("6","1","4","3","2","2","2","1") = "5"
    & skf21("6","1","4","3","2","2","3","1") = "5"
    & skf21("6","1","4","3","2","2","4","1") = "5"
    & skf21("6","1","4","3","2","2","5","1") = "5"
    & skf21("6","1","4","3","2","2","6","1") = "5"
    & skf21("6","1","4","3","2","2","7","1") = "6"
    & skf21("6","1","4","3","2","3","1","1") = "5"
    & skf21("6","1","4","3","2","3","2","1") = "5"
    & skf21("6","1","4","3","2","3","3","1") = "5"
    & skf21("6","1","4","3","2","3","4","1") = "5"
    & skf21("6","1","4","3","2","3","5","1") = "5"
    & skf21("6","1","4","3","2","3","6","1") = "5"
    & skf21("6","1","4","3","2","3","7","1") = "6"
    & skf21("6","1","4","3","2","4","1","1") = "5"
    & skf21("6","1","4","3","2","4","2","1") = "5"
    & skf21("6","1","4","3","2","4","3","1") = "5"
    & skf21("6","1","4","3","2","4","4","1") = "5"
    & skf21("6","1","4","3","2","4","5","1") = "5"
    & skf21("6","1","4","3","2","4","6","1") = "5"
    & skf21("6","1","4","3","2","4","7","1") = "6"
    & skf21("6","1","4","3","2","5","1","1") = "5"
    & skf21("6","1","4","3","2","5","2","1") = "5"
    & skf21("6","1","4","3","2","5","3","1") = "5"
    & skf21("6","1","4","3","2","5","4","1") = "5"
    & skf21("6","1","4","3","2","5","5","1") = "5"
    & skf21("6","1","4","3","2","5","6","1") = "5"
    & skf21("6","1","4","3","2","5","7","1") = "6"
    & skf21("6","1","4","3","2","6","1","1") = "5"
    & skf21("6","1","4","3","2","6","2","1") = "5"
    & skf21("6","1","4","3","2","6","3","1") = "5"
    & skf21("6","1","4","3","2","6","4","1") = "5"
    & skf21("6","1","4","3","2","6","5","1") = "5"
    & skf21("6","1","4","3","2","6","6","1") = "5"
    & skf21("6","1","4","3","2","6","7","1") = "6"
    & skf21("6","1","4","3","2","7","1","1") = "6"
    & skf21("6","1","4","3","2","7","2","1") = "6"
    & skf21("6","1","4","3","2","7","3","1") = "6"
    & skf21("6","1","4","3","2","7","4","1") = "6"
    & skf21("6","1","4","3","2","7","5","1") = "6"
    & skf21("6","1","4","3","2","7","6","1") = "6"
    & skf21("6","1","4","3","2","7","7","1") = "6"
    & skf21("6","1","4","3","3","1","1","1") = "5"
    & skf21("6","1","4","3","3","1","2","1") = "5"
    & skf21("6","1","4","3","3","1","3","1") = "5"
    & skf21("6","1","4","3","3","1","4","1") = "5"
    & skf21("6","1","4","3","3","1","5","1") = "5"
    & skf21("6","1","4","3","3","1","6","1") = "5"
    & skf21("6","1","4","3","3","1","7","1") = "6"
    & skf21("6","1","4","3","3","2","1","1") = "5"
    & skf21("6","1","4","3","3","2","2","1") = "5"
    & skf21("6","1","4","3","3","2","3","1") = "5"
    & skf21("6","1","4","3","3","2","4","1") = "5"
    & skf21("6","1","4","3","3","2","5","1") = "5"
    & skf21("6","1","4","3","3","2","6","1") = "5"
    & skf21("6","1","4","3","3","2","7","1") = "6"
    & skf21("6","1","4","3","3","3","1","1") = "5"
    & skf21("6","1","4","3","3","3","2","1") = "5"
    & skf21("6","1","4","3","3","3","3","1") = "5"
    & skf21("6","1","4","3","3","3","4","1") = "5"
    & skf21("6","1","4","3","3","3","5","1") = "5"
    & skf21("6","1","4","3","3","3","6","1") = "5"
    & skf21("6","1","4","3","3","3","7","1") = "6"
    & skf21("6","1","4","3","3","4","1","1") = "5"
    & skf21("6","1","4","3","3","4","2","1") = "5"
    & skf21("6","1","4","3","3","4","3","1") = "5"
    & skf21("6","1","4","3","3","4","4","1") = "5"
    & skf21("6","1","4","3","3","4","5","1") = "5"
    & skf21("6","1","4","3","3","4","6","1") = "5"
    & skf21("6","1","4","3","3","4","7","1") = "6"
    & skf21("6","1","4","3","3","5","1","1") = "5"
    & skf21("6","1","4","3","3","5","2","1") = "5"
    & skf21("6","1","4","3","3","5","3","1") = "5"
    & skf21("6","1","4","3","3","5","4","1") = "5"
    & skf21("6","1","4","3","3","5","5","1") = "5"
    & skf21("6","1","4","3","3","5","6","1") = "5"
    & skf21("6","1","4","3","3","5","7","1") = "6"
    & skf21("6","1","4","3","3","6","1","1") = "5"
    & skf21("6","1","4","3","3","6","2","1") = "5"
    & skf21("6","1","4","3","3","6","3","1") = "5"
    & skf21("6","1","4","3","3","6","4","1") = "5"
    & skf21("6","1","4","3","3","6","5","1") = "5"
    & skf21("6","1","4","3","3","6","6","1") = "5"
    & skf21("6","1","4","3","3","6","7","1") = "6"
    & skf21("6","1","4","3","3","7","1","1") = "6"
    & skf21("6","1","4","3","3","7","2","1") = "6"
    & skf21("6","1","4","3","3","7","3","1") = "6"
    & skf21("6","1","4","3","3","7","4","1") = "6"
    & skf21("6","1","4","3","3","7","5","1") = "6"
    & skf21("6","1","4","3","3","7","6","1") = "6"
    & skf21("6","1","4","3","3","7","7","1") = "6"
    & skf21("6","1","4","3","4","1","1","1") = "5"
    & skf21("6","1","4","3","4","1","2","1") = "5"
    & skf21("6","1","4","3","4","1","3","1") = "5"
    & skf21("6","1","4","3","4","1","4","1") = "5"
    & skf21("6","1","4","3","4","1","5","1") = "5"
    & skf21("6","1","4","3","4","1","6","1") = "5"
    & skf21("6","1","4","3","4","1","7","1") = "6"
    & skf21("6","1","4","3","4","2","1","1") = "5"
    & skf21("6","1","4","3","4","2","2","1") = "5"
    & skf21("6","1","4","3","4","2","3","1") = "5"
    & skf21("6","1","4","3","4","2","4","1") = "5"
    & skf21("6","1","4","3","4","2","5","1") = "5"
    & skf21("6","1","4","3","4","2","6","1") = "5"
    & skf21("6","1","4","3","4","2","7","1") = "6"
    & skf21("6","1","4","3","4","3","1","1") = "5"
    & skf21("6","1","4","3","4","3","2","1") = "5"
    & skf21("6","1","4","3","4","3","3","1") = "5"
    & skf21("6","1","4","3","4","3","4","1") = "5"
    & skf21("6","1","4","3","4","3","5","1") = "5"
    & skf21("6","1","4","3","4","3","6","1") = "5"
    & skf21("6","1","4","3","4","3","7","1") = "6"
    & skf21("6","1","4","3","4","4","1","1") = "5"
    & skf21("6","1","4","3","4","4","2","1") = "5"
    & skf21("6","1","4","3","4","4","3","1") = "5"
    & skf21("6","1","4","3","4","4","4","1") = "5"
    & skf21("6","1","4","3","4","4","5","1") = "5"
    & skf21("6","1","4","3","4","4","6","1") = "5"
    & skf21("6","1","4","3","4","4","7","1") = "6"
    & skf21("6","1","4","3","4","5","1","1") = "5"
    & skf21("6","1","4","3","4","5","2","1") = "5"
    & skf21("6","1","4","3","4","5","3","1") = "5"
    & skf21("6","1","4","3","4","5","4","1") = "5"
    & skf21("6","1","4","3","4","5","5","1") = "5"
    & skf21("6","1","4","3","4","5","6","1") = "5"
    & skf21("6","1","4","3","4","5","7","1") = "6"
    & skf21("6","1","4","3","4","6","1","1") = "5"
    & skf21("6","1","4","3","4","6","2","1") = "5"
    & skf21("6","1","4","3","4","6","3","1") = "5"
    & skf21("6","1","4","3","4","6","4","1") = "5"
    & skf21("6","1","4","3","4","6","5","1") = "5"
    & skf21("6","1","4","3","4","6","6","1") = "5"
    & skf21("6","1","4","3","4","6","7","1") = "6"
    & skf21("6","1","4","3","4","7","1","1") = "6"
    & skf21("6","1","4","3","4","7","2","1") = "6"
    & skf21("6","1","4","3","4","7","3","1") = "6"
    & skf21("6","1","4","3","4","7","4","1") = "6"
    & skf21("6","1","4","3","4","7","5","1") = "6"
    & skf21("6","1","4","3","4","7","6","1") = "6"
    & skf21("6","1","4","3","4","7","7","1") = "6"
    & skf21("6","1","4","3","5","1","1","1") = "5"
    & skf21("6","1","4","3","5","1","2","1") = "5"
    & skf21("6","1","4","3","5","1","3","1") = "5"
    & skf21("6","1","4","3","5","1","4","1") = "5"
    & skf21("6","1","4","3","5","1","5","1") = "5"
    & skf21("6","1","4","3","5","1","6","1") = "5"
    & skf21("6","1","4","3","5","1","7","1") = "6"
    & skf21("6","1","4","3","5","2","1","1") = "5"
    & skf21("6","1","4","3","5","2","2","1") = "5"
    & skf21("6","1","4","3","5","2","3","1") = "5"
    & skf21("6","1","4","3","5","2","4","1") = "5"
    & skf21("6","1","4","3","5","2","5","1") = "5"
    & skf21("6","1","4","3","5","2","6","1") = "5"
    & skf21("6","1","4","3","5","2","7","1") = "6"
    & skf21("6","1","4","3","5","3","1","1") = "5"
    & skf21("6","1","4","3","5","3","2","1") = "5"
    & skf21("6","1","4","3","5","3","3","1") = "5"
    & skf21("6","1","4","3","5","3","4","1") = "5"
    & skf21("6","1","4","3","5","3","5","1") = "5"
    & skf21("6","1","4","3","5","3","6","1") = "5"
    & skf21("6","1","4","3","5","3","7","1") = "6"
    & skf21("6","1","4","3","5","4","1","1") = "5"
    & skf21("6","1","4","3","5","4","2","1") = "5"
    & skf21("6","1","4","3","5","4","3","1") = "5"
    & skf21("6","1","4","3","5","4","4","1") = "5"
    & skf21("6","1","4","3","5","4","5","1") = "5"
    & skf21("6","1","4","3","5","4","6","1") = "5"
    & skf21("6","1","4","3","5","4","7","1") = "6"
    & skf21("6","1","4","3","5","5","1","1") = "5"
    & skf21("6","1","4","3","5","5","2","1") = "5"
    & skf21("6","1","4","3","5","5","3","1") = "5"
    & skf21("6","1","4","3","5","5","4","1") = "5"
    & skf21("6","1","4","3","5","5","5","1") = "5"
    & skf21("6","1","4","3","5","5","6","1") = "5"
    & skf21("6","1","4","3","5","5","7","1") = "6"
    & skf21("6","1","4","3","5","6","1","1") = "5"
    & skf21("6","1","4","3","5","6","2","1") = "5"
    & skf21("6","1","4","3","5","6","3","1") = "5"
    & skf21("6","1","4","3","5","6","4","1") = "5"
    & skf21("6","1","4","3","5","6","5","1") = "5"
    & skf21("6","1","4","3","5","6","6","1") = "5"
    & skf21("6","1","4","3","5","6","7","1") = "6"
    & skf21("6","1","4","3","5","7","1","1") = "6"
    & skf21("6","1","4","3","5","7","2","1") = "6"
    & skf21("6","1","4","3","5","7","3","1") = "6"
    & skf21("6","1","4","3","5","7","4","1") = "6"
    & skf21("6","1","4","3","5","7","5","1") = "6"
    & skf21("6","1","4","3","5","7","6","1") = "6"
    & skf21("6","1","4","3","5","7","7","1") = "6"
    & skf21("6","1","4","3","6","1","1","1") = "5"
    & skf21("6","1","4","3","6","1","2","1") = "5"
    & skf21("6","1","4","3","6","1","3","1") = "5"
    & skf21("6","1","4","3","6","1","4","1") = "5"
    & skf21("6","1","4","3","6","1","5","1") = "5"
    & skf21("6","1","4","3","6","1","6","1") = "5"
    & skf21("6","1","4","3","6","1","7","1") = "6"
    & skf21("6","1","4","3","6","2","1","1") = "5"
    & skf21("6","1","4","3","6","2","2","1") = "5"
    & skf21("6","1","4","3","6","2","3","1") = "5"
    & skf21("6","1","4","3","6","2","4","1") = "5"
    & skf21("6","1","4","3","6","2","5","1") = "5"
    & skf21("6","1","4","3","6","2","6","1") = "5"
    & skf21("6","1","4","3","6","2","7","1") = "6"
    & skf21("6","1","4","3","6","3","1","1") = "5"
    & skf21("6","1","4","3","6","3","2","1") = "5"
    & skf21("6","1","4","3","6","3","3","1") = "5"
    & skf21("6","1","4","3","6","3","4","1") = "5"
    & skf21("6","1","4","3","6","3","5","1") = "5"
    & skf21("6","1","4","3","6","3","6","1") = "5"
    & skf21("6","1","4","3","6","3","7","1") = "6"
    & skf21("6","1","4","3","6","4","1","1") = "5"
    & skf21("6","1","4","3","6","4","2","1") = "5"
    & skf21("6","1","4","3","6","4","3","1") = "5"
    & skf21("6","1","4","3","6","4","4","1") = "5"
    & skf21("6","1","4","3","6","4","5","1") = "5"
    & skf21("6","1","4","3","6","4","6","1") = "5"
    & skf21("6","1","4","3","6","4","7","1") = "6"
    & skf21("6","1","4","3","6","5","1","1") = "5"
    & skf21("6","1","4","3","6","5","2","1") = "5"
    & skf21("6","1","4","3","6","5","3","1") = "5"
    & skf21("6","1","4","3","6","5","4","1") = "5"
    & skf21("6","1","4","3","6","5","5","1") = "5"
    & skf21("6","1","4","3","6","5","6","1") = "5"
    & skf21("6","1","4","3","6","5","7","1") = "6"
    & skf21("6","1","4","3","6","6","1","1") = "5"
    & skf21("6","1","4","3","6","6","2","1") = "5"
    & skf21("6","1","4","3","6","6","3","1") = "5"
    & skf21("6","1","4","3","6","6","4","1") = "5"
    & skf21("6","1","4","3","6","6","5","1") = "5"
    & skf21("6","1","4","3","6","6","6","1") = "5"
    & skf21("6","1","4","3","6","6","7","1") = "6"
    & skf21("6","1","4","3","6","7","1","1") = "6"
    & skf21("6","1","4","3","6","7","2","1") = "6"
    & skf21("6","1","4","3","6","7","3","1") = "6"
    & skf21("6","1","4","3","6","7","4","1") = "6"
    & skf21("6","1","4","3","6","7","5","1") = "6"
    & skf21("6","1","4","3","6","7","6","1") = "6"
    & skf21("6","1","4","3","6","7","7","1") = "6"
    & skf21("6","1","4","3","7","1","1","1") = "6"
    & skf21("6","1","4","3","7","1","2","1") = "6"
    & skf21("6","1","4","3","7","1","3","1") = "6"
    & skf21("6","1","4","3","7","1","4","1") = "6"
    & skf21("6","1","4","3","7","1","5","1") = "6"
    & skf21("6","1","4","3","7","1","6","1") = "6"
    & skf21("6","1","4","3","7","1","7","1") = "6"
    & skf21("6","1","4","3","7","2","1","1") = "6"
    & skf21("6","1","4","3","7","2","2","1") = "6"
    & skf21("6","1","4","3","7","2","3","1") = "6"
    & skf21("6","1","4","3","7","2","4","1") = "6"
    & skf21("6","1","4","3","7","2","5","1") = "6"
    & skf21("6","1","4","3","7","2","6","1") = "6"
    & skf21("6","1","4","3","7","2","7","1") = "6"
    & skf21("6","1","4","3","7","3","1","1") = "6"
    & skf21("6","1","4","3","7","3","2","1") = "6"
    & skf21("6","1","4","3","7","3","3","1") = "6"
    & skf21("6","1","4","3","7","3","4","1") = "6"
    & skf21("6","1","4","3","7","3","5","1") = "6"
    & skf21("6","1","4","3","7","3","6","1") = "6"
    & skf21("6","1","4","3","7","3","7","1") = "6"
    & skf21("6","1","4","3","7","4","1","1") = "6"
    & skf21("6","1","4","3","7","4","2","1") = "6"
    & skf21("6","1","4","3","7","4","3","1") = "6"
    & skf21("6","1","4","3","7","4","4","1") = "6"
    & skf21("6","1","4","3","7","4","5","1") = "6"
    & skf21("6","1","4","3","7","4","6","1") = "6"
    & skf21("6","1","4","3","7","4","7","1") = "6"
    & skf21("6","1","4","3","7","5","1","1") = "6"
    & skf21("6","1","4","3","7","5","2","1") = "6"
    & skf21("6","1","4","3","7","5","3","1") = "6"
    & skf21("6","1","4","3","7","5","4","1") = "6"
    & skf21("6","1","4","3","7","5","5","1") = "6"
    & skf21("6","1","4","3","7","5","6","1") = "6"
    & skf21("6","1","4","3","7","5","7","1") = "6"
    & skf21("6","1","4","3","7","6","1","1") = "6"
    & skf21("6","1","4","3","7","6","2","1") = "6"
    & skf21("6","1","4","3","7","6","3","1") = "6"
    & skf21("6","1","4","3","7","6","4","1") = "6"
    & skf21("6","1","4","3","7","6","5","1") = "6"
    & skf21("6","1","4","3","7","6","6","1") = "6"
    & skf21("6","1","4","3","7","6","7","1") = "6"
    & skf21("6","1","4","3","7","7","1","1") = "6"
    & skf21("6","1","4","3","7","7","2","1") = "6"
    & skf21("6","1","4","3","7","7","3","1") = "6"
    & skf21("6","1","4","3","7","7","4","1") = "6"
    & skf21("6","1","4","3","7","7","5","1") = "6"
    & skf21("6","1","4","3","7","7","6","1") = "6"
    & skf21("6","1","4","3","7","7","7","1") = "6"
    & skf21("6","1","4","4","1","1","1","1") = "5"
    & skf21("6","1","4","4","1","1","2","1") = "5"
    & skf21("6","1","4","4","1","1","3","1") = "5"
    & skf21("6","1","4","4","1","1","4","1") = "5"
    & skf21("6","1","4","4","1","1","5","1") = "5"
    & skf21("6","1","4","4","1","1","6","1") = "5"
    & skf21("6","1","4","4","1","1","7","1") = "6"
    & skf21("6","1","4","4","1","2","1","1") = "5"
    & skf21("6","1","4","4","1","2","2","1") = "5"
    & skf21("6","1","4","4","1","2","3","1") = "5"
    & skf21("6","1","4","4","1","2","4","1") = "5"
    & skf21("6","1","4","4","1","2","5","1") = "5"
    & skf21("6","1","4","4","1","2","6","1") = "5"
    & skf21("6","1","4","4","1","2","7","1") = "6"
    & skf21("6","1","4","4","1","3","1","1") = "5"
    & skf21("6","1","4","4","1","3","2","1") = "5"
    & skf21("6","1","4","4","1","3","3","1") = "5"
    & skf21("6","1","4","4","1","3","4","1") = "5"
    & skf21("6","1","4","4","1","3","5","1") = "5"
    & skf21("6","1","4","4","1","3","6","1") = "5"
    & skf21("6","1","4","4","1","3","7","1") = "6"
    & skf21("6","1","4","4","1","4","1","1") = "5"
    & skf21("6","1","4","4","1","4","2","1") = "5"
    & skf21("6","1","4","4","1","4","3","1") = "5"
    & skf21("6","1","4","4","1","4","4","1") = "5"
    & skf21("6","1","4","4","1","4","5","1") = "5"
    & skf21("6","1","4","4","1","4","6","1") = "5"
    & skf21("6","1","4","4","1","4","7","1") = "6"
    & skf21("6","1","4","4","1","5","1","1") = "5"
    & skf21("6","1","4","4","1","5","2","1") = "5"
    & skf21("6","1","4","4","1","5","3","1") = "5"
    & skf21("6","1","4","4","1","5","4","1") = "5"
    & skf21("6","1","4","4","1","5","5","1") = "5"
    & skf21("6","1","4","4","1","5","6","1") = "5"
    & skf21("6","1","4","4","1","5","7","1") = "6"
    & skf21("6","1","4","4","1","6","1","1") = "5"
    & skf21("6","1","4","4","1","6","2","1") = "5"
    & skf21("6","1","4","4","1","6","3","1") = "5"
    & skf21("6","1","4","4","1","6","4","1") = "5"
    & skf21("6","1","4","4","1","6","5","1") = "5"
    & skf21("6","1","4","4","1","6","6","1") = "5"
    & skf21("6","1","4","4","1","6","7","1") = "6"
    & skf21("6","1","4","4","1","7","1","1") = "6"
    & skf21("6","1","4","4","1","7","2","1") = "6"
    & skf21("6","1","4","4","1","7","3","1") = "6"
    & skf21("6","1","4","4","1","7","4","1") = "6"
    & skf21("6","1","4","4","1","7","5","1") = "6"
    & skf21("6","1","4","4","1","7","6","1") = "6"
    & skf21("6","1","4","4","1","7","7","1") = "6"
    & skf21("6","1","4","4","2","1","1","1") = "5"
    & skf21("6","1","4","4","2","1","2","1") = "5"
    & skf21("6","1","4","4","2","1","3","1") = "5"
    & skf21("6","1","4","4","2","1","4","1") = "5"
    & skf21("6","1","4","4","2","1","5","1") = "5"
    & skf21("6","1","4","4","2","1","6","1") = "5"
    & skf21("6","1","4","4","2","1","7","1") = "6"
    & skf21("6","1","4","4","2","2","1","1") = "5"
    & skf21("6","1","4","4","2","2","2","1") = "5"
    & skf21("6","1","4","4","2","2","3","1") = "5"
    & skf21("6","1","4","4","2","2","4","1") = "5"
    & skf21("6","1","4","4","2","2","5","1") = "5"
    & skf21("6","1","4","4","2","2","6","1") = "5"
    & skf21("6","1","4","4","2","2","7","1") = "6"
    & skf21("6","1","4","4","2","3","1","1") = "5"
    & skf21("6","1","4","4","2","3","2","1") = "5"
    & skf21("6","1","4","4","2","3","3","1") = "5"
    & skf21("6","1","4","4","2","3","4","1") = "5"
    & skf21("6","1","4","4","2","3","5","1") = "5"
    & skf21("6","1","4","4","2","3","6","1") = "5"
    & skf21("6","1","4","4","2","3","7","1") = "6"
    & skf21("6","1","4","4","2","4","1","1") = "5"
    & skf21("6","1","4","4","2","4","2","1") = "5"
    & skf21("6","1","4","4","2","4","3","1") = "5"
    & skf21("6","1","4","4","2","4","4","1") = "5"
    & skf21("6","1","4","4","2","4","5","1") = "5"
    & skf21("6","1","4","4","2","4","6","1") = "5"
    & skf21("6","1","4","4","2","4","7","1") = "6"
    & skf21("6","1","4","4","2","5","1","1") = "5"
    & skf21("6","1","4","4","2","5","2","1") = "5"
    & skf21("6","1","4","4","2","5","3","1") = "5"
    & skf21("6","1","4","4","2","5","4","1") = "5"
    & skf21("6","1","4","4","2","5","5","1") = "5"
    & skf21("6","1","4","4","2","5","6","1") = "5"
    & skf21("6","1","4","4","2","5","7","1") = "6"
    & skf21("6","1","4","4","2","6","1","1") = "5"
    & skf21("6","1","4","4","2","6","2","1") = "5"
    & skf21("6","1","4","4","2","6","3","1") = "5"
    & skf21("6","1","4","4","2","6","4","1") = "5"
    & skf21("6","1","4","4","2","6","5","1") = "5"
    & skf21("6","1","4","4","2","6","6","1") = "5"
    & skf21("6","1","4","4","2","6","7","1") = "6"
    & skf21("6","1","4","4","2","7","1","1") = "6"
    & skf21("6","1","4","4","2","7","2","1") = "6"
    & skf21("6","1","4","4","2","7","3","1") = "6"
    & skf21("6","1","4","4","2","7","4","1") = "6"
    & skf21("6","1","4","4","2","7","5","1") = "6"
    & skf21("6","1","4","4","2","7","6","1") = "6"
    & skf21("6","1","4","4","2","7","7","1") = "6"
    & skf21("6","1","4","4","3","1","1","1") = "5"
    & skf21("6","1","4","4","3","1","2","1") = "5"
    & skf21("6","1","4","4","3","1","3","1") = "5"
    & skf21("6","1","4","4","3","1","4","1") = "5"
    & skf21("6","1","4","4","3","1","5","1") = "5"
    & skf21("6","1","4","4","3","1","6","1") = "5"
    & skf21("6","1","4","4","3","1","7","1") = "6"
    & skf21("6","1","4","4","3","2","1","1") = "5"
    & skf21("6","1","4","4","3","2","2","1") = "5"
    & skf21("6","1","4","4","3","2","3","1") = "5"
    & skf21("6","1","4","4","3","2","4","1") = "5"
    & skf21("6","1","4","4","3","2","5","1") = "5"
    & skf21("6","1","4","4","3","2","6","1") = "5"
    & skf21("6","1","4","4","3","2","7","1") = "6"
    & skf21("6","1","4","4","3","3","1","1") = "5"
    & skf21("6","1","4","4","3","3","2","1") = "5"
    & skf21("6","1","4","4","3","3","3","1") = "5"
    & skf21("6","1","4","4","3","3","4","1") = "5"
    & skf21("6","1","4","4","3","3","5","1") = "5"
    & skf21("6","1","4","4","3","3","6","1") = "5"
    & skf21("6","1","4","4","3","3","7","1") = "6"
    & skf21("6","1","4","4","3","4","1","1") = "5"
    & skf21("6","1","4","4","3","4","2","1") = "5"
    & skf21("6","1","4","4","3","4","3","1") = "5"
    & skf21("6","1","4","4","3","4","4","1") = "5"
    & skf21("6","1","4","4","3","4","5","1") = "5"
    & skf21("6","1","4","4","3","4","6","1") = "5"
    & skf21("6","1","4","4","3","4","7","1") = "6"
    & skf21("6","1","4","4","3","5","1","1") = "5"
    & skf21("6","1","4","4","3","5","2","1") = "5"
    & skf21("6","1","4","4","3","5","3","1") = "5"
    & skf21("6","1","4","4","3","5","4","1") = "5"
    & skf21("6","1","4","4","3","5","5","1") = "5"
    & skf21("6","1","4","4","3","5","6","1") = "5"
    & skf21("6","1","4","4","3","5","7","1") = "6"
    & skf21("6","1","4","4","3","6","1","1") = "5"
    & skf21("6","1","4","4","3","6","2","1") = "5"
    & skf21("6","1","4","4","3","6","3","1") = "5"
    & skf21("6","1","4","4","3","6","4","1") = "5"
    & skf21("6","1","4","4","3","6","5","1") = "5"
    & skf21("6","1","4","4","3","6","6","1") = "5"
    & skf21("6","1","4","4","3","6","7","1") = "6"
    & skf21("6","1","4","4","3","7","1","1") = "6"
    & skf21("6","1","4","4","3","7","2","1") = "6"
    & skf21("6","1","4","4","3","7","3","1") = "6"
    & skf21("6","1","4","4","3","7","4","1") = "6"
    & skf21("6","1","4","4","3","7","5","1") = "6"
    & skf21("6","1","4","4","3","7","6","1") = "6"
    & skf21("6","1","4","4","3","7","7","1") = "6"
    & skf21("6","1","4","4","4","1","1","1") = "5"
    & skf21("6","1","4","4","4","1","2","1") = "5"
    & skf21("6","1","4","4","4","1","3","1") = "5"
    & skf21("6","1","4","4","4","1","4","1") = "5"
    & skf21("6","1","4","4","4","1","5","1") = "5"
    & skf21("6","1","4","4","4","1","6","1") = "5"
    & skf21("6","1","4","4","4","1","7","1") = "6"
    & skf21("6","1","4","4","4","2","1","1") = "5"
    & skf21("6","1","4","4","4","2","2","1") = "5"
    & skf21("6","1","4","4","4","2","3","1") = "5"
    & skf21("6","1","4","4","4","2","4","1") = "5"
    & skf21("6","1","4","4","4","2","5","1") = "5"
    & skf21("6","1","4","4","4","2","6","1") = "5"
    & skf21("6","1","4","4","4","2","7","1") = "6"
    & skf21("6","1","4","4","4","3","1","1") = "5"
    & skf21("6","1","4","4","4","3","2","1") = "5"
    & skf21("6","1","4","4","4","3","3","1") = "5"
    & skf21("6","1","4","4","4","3","4","1") = "5"
    & skf21("6","1","4","4","4","3","5","1") = "5"
    & skf21("6","1","4","4","4","3","6","1") = "5"
    & skf21("6","1","4","4","4","3","7","1") = "6"
    & skf21("6","1","4","4","4","4","1","1") = "5"
    & skf21("6","1","4","4","4","4","2","1") = "5"
    & skf21("6","1","4","4","4","4","3","1") = "5"
    & skf21("6","1","4","4","4","4","4","1") = "5"
    & skf21("6","1","4","4","4","4","5","1") = "5"
    & skf21("6","1","4","4","4","4","6","1") = "5"
    & skf21("6","1","4","4","4","4","7","1") = "6"
    & skf21("6","1","4","4","4","5","1","1") = "5"
    & skf21("6","1","4","4","4","5","2","1") = "5"
    & skf21("6","1","4","4","4","5","3","1") = "5"
    & skf21("6","1","4","4","4","5","4","1") = "5"
    & skf21("6","1","4","4","4","5","5","1") = "5"
    & skf21("6","1","4","4","4","5","6","1") = "5"
    & skf21("6","1","4","4","4","5","7","1") = "6"
    & skf21("6","1","4","4","4","6","1","1") = "5"
    & skf21("6","1","4","4","4","6","2","1") = "5"
    & skf21("6","1","4","4","4","6","3","1") = "5"
    & skf21("6","1","4","4","4","6","4","1") = "5"
    & skf21("6","1","4","4","4","6","5","1") = "5"
    & skf21("6","1","4","4","4","6","6","1") = "5"
    & skf21("6","1","4","4","4","6","7","1") = "6"
    & skf21("6","1","4","4","4","7","1","1") = "6"
    & skf21("6","1","4","4","4","7","2","1") = "6"
    & skf21("6","1","4","4","4","7","3","1") = "6"
    & skf21("6","1","4","4","4","7","4","1") = "6"
    & skf21("6","1","4","4","4","7","5","1") = "6"
    & skf21("6","1","4","4","4","7","6","1") = "6"
    & skf21("6","1","4","4","4","7","7","1") = "6"
    & skf21("6","1","4","4","5","1","1","1") = "5"
    & skf21("6","1","4","4","5","1","2","1") = "5"
    & skf21("6","1","4","4","5","1","3","1") = "5"
    & skf21("6","1","4","4","5","1","4","1") = "5"
    & skf21("6","1","4","4","5","1","5","1") = "5"
    & skf21("6","1","4","4","5","1","6","1") = "5"
    & skf21("6","1","4","4","5","1","7","1") = "6"
    & skf21("6","1","4","4","5","2","1","1") = "5"
    & skf21("6","1","4","4","5","2","2","1") = "5"
    & skf21("6","1","4","4","5","2","3","1") = "5"
    & skf21("6","1","4","4","5","2","4","1") = "5"
    & skf21("6","1","4","4","5","2","5","1") = "5"
    & skf21("6","1","4","4","5","2","6","1") = "5"
    & skf21("6","1","4","4","5","2","7","1") = "6"
    & skf21("6","1","4","4","5","3","1","1") = "5"
    & skf21("6","1","4","4","5","3","2","1") = "5"
    & skf21("6","1","4","4","5","3","3","1") = "5"
    & skf21("6","1","4","4","5","3","4","1") = "5"
    & skf21("6","1","4","4","5","3","5","1") = "5"
    & skf21("6","1","4","4","5","3","6","1") = "5"
    & skf21("6","1","4","4","5","3","7","1") = "6"
    & skf21("6","1","4","4","5","4","1","1") = "5"
    & skf21("6","1","4","4","5","4","2","1") = "5"
    & skf21("6","1","4","4","5","4","3","1") = "5"
    & skf21("6","1","4","4","5","4","4","1") = "5"
    & skf21("6","1","4","4","5","4","5","1") = "5"
    & skf21("6","1","4","4","5","4","6","1") = "5"
    & skf21("6","1","4","4","5","4","7","1") = "6"
    & skf21("6","1","4","4","5","5","1","1") = "5"
    & skf21("6","1","4","4","5","5","2","1") = "5"
    & skf21("6","1","4","4","5","5","3","1") = "5"
    & skf21("6","1","4","4","5","5","4","1") = "5"
    & skf21("6","1","4","4","5","5","5","1") = "5"
    & skf21("6","1","4","4","5","5","6","1") = "5"
    & skf21("6","1","4","4","5","5","7","1") = "6"
    & skf21("6","1","4","4","5","6","1","1") = "5"
    & skf21("6","1","4","4","5","6","2","1") = "5"
    & skf21("6","1","4","4","5","6","3","1") = "5"
    & skf21("6","1","4","4","5","6","4","1") = "5"
    & skf21("6","1","4","4","5","6","5","1") = "5"
    & skf21("6","1","4","4","5","6","6","1") = "5"
    & skf21("6","1","4","4","5","6","7","1") = "6"
    & skf21("6","1","4","4","5","7","1","1") = "6"
    & skf21("6","1","4","4","5","7","2","1") = "6"
    & skf21("6","1","4","4","5","7","3","1") = "6"
    & skf21("6","1","4","4","5","7","4","1") = "6"
    & skf21("6","1","4","4","5","7","5","1") = "6"
    & skf21("6","1","4","4","5","7","6","1") = "6"
    & skf21("6","1","4","4","5","7","7","1") = "6"
    & skf21("6","1","4","4","6","1","1","1") = "5"
    & skf21("6","1","4","4","6","1","2","1") = "5"
    & skf21("6","1","4","4","6","1","3","1") = "5"
    & skf21("6","1","4","4","6","1","4","1") = "5"
    & skf21("6","1","4","4","6","1","5","1") = "5"
    & skf21("6","1","4","4","6","1","6","1") = "5"
    & skf21("6","1","4","4","6","1","7","1") = "6"
    & skf21("6","1","4","4","6","2","1","1") = "5"
    & skf21("6","1","4","4","6","2","2","1") = "5"
    & skf21("6","1","4","4","6","2","3","1") = "5"
    & skf21("6","1","4","4","6","2","4","1") = "5"
    & skf21("6","1","4","4","6","2","5","1") = "5"
    & skf21("6","1","4","4","6","2","6","1") = "5"
    & skf21("6","1","4","4","6","2","7","1") = "6"
    & skf21("6","1","4","4","6","3","1","1") = "5"
    & skf21("6","1","4","4","6","3","2","1") = "5"
    & skf21("6","1","4","4","6","3","3","1") = "5"
    & skf21("6","1","4","4","6","3","4","1") = "5"
    & skf21("6","1","4","4","6","3","5","1") = "5"
    & skf21("6","1","4","4","6","3","6","1") = "5"
    & skf21("6","1","4","4","6","3","7","1") = "6"
    & skf21("6","1","4","4","6","4","1","1") = "5"
    & skf21("6","1","4","4","6","4","2","1") = "5"
    & skf21("6","1","4","4","6","4","3","1") = "5"
    & skf21("6","1","4","4","6","4","4","1") = "5"
    & skf21("6","1","4","4","6","4","5","1") = "5"
    & skf21("6","1","4","4","6","4","6","1") = "5"
    & skf21("6","1","4","4","6","4","7","1") = "6"
    & skf21("6","1","4","4","6","5","1","1") = "5"
    & skf21("6","1","4","4","6","5","2","1") = "5"
    & skf21("6","1","4","4","6","5","3","1") = "5"
    & skf21("6","1","4","4","6","5","4","1") = "5"
    & skf21("6","1","4","4","6","5","5","1") = "5"
    & skf21("6","1","4","4","6","5","6","1") = "5"
    & skf21("6","1","4","4","6","5","7","1") = "6"
    & skf21("6","1","4","4","6","6","1","1") = "5"
    & skf21("6","1","4","4","6","6","2","1") = "5"
    & skf21("6","1","4","4","6","6","3","1") = "5"
    & skf21("6","1","4","4","6","6","4","1") = "5"
    & skf21("6","1","4","4","6","6","5","1") = "5"
    & skf21("6","1","4","4","6","6","6","1") = "5"
    & skf21("6","1","4","4","6","6","7","1") = "6"
    & skf21("6","1","4","4","6","7","1","1") = "6"
    & skf21("6","1","4","4","6","7","2","1") = "6"
    & skf21("6","1","4","4","6","7","3","1") = "6"
    & skf21("6","1","4","4","6","7","4","1") = "6"
    & skf21("6","1","4","4","6","7","5","1") = "6"
    & skf21("6","1","4","4","6","7","6","1") = "6"
    & skf21("6","1","4","4","6","7","7","1") = "6"
    & skf21("6","1","4","4","7","1","1","1") = "6"
    & skf21("6","1","4","4","7","1","2","1") = "6"
    & skf21("6","1","4","4","7","1","3","1") = "6"
    & skf21("6","1","4","4","7","1","4","1") = "6"
    & skf21("6","1","4","4","7","1","5","1") = "6"
    & skf21("6","1","4","4","7","1","6","1") = "6"
    & skf21("6","1","4","4","7","1","7","1") = "6"
    & skf21("6","1","4","4","7","2","1","1") = "6"
    & skf21("6","1","4","4","7","2","2","1") = "6"
    & skf21("6","1","4","4","7","2","3","1") = "6"
    & skf21("6","1","4","4","7","2","4","1") = "6"
    & skf21("6","1","4","4","7","2","5","1") = "6"
    & skf21("6","1","4","4","7","2","6","1") = "6"
    & skf21("6","1","4","4","7","2","7","1") = "6"
    & skf21("6","1","4","4","7","3","1","1") = "6"
    & skf21("6","1","4","4","7","3","2","1") = "6"
    & skf21("6","1","4","4","7","3","3","1") = "6"
    & skf21("6","1","4","4","7","3","4","1") = "6"
    & skf21("6","1","4","4","7","3","5","1") = "6"
    & skf21("6","1","4","4","7","3","6","1") = "6"
    & skf21("6","1","4","4","7","3","7","1") = "6"
    & skf21("6","1","4","4","7","4","1","1") = "6"
    & skf21("6","1","4","4","7","4","2","1") = "6"
    & skf21("6","1","4","4","7","4","3","1") = "6"
    & skf21("6","1","4","4","7","4","4","1") = "6"
    & skf21("6","1","4","4","7","4","5","1") = "6"
    & skf21("6","1","4","4","7","4","6","1") = "6"
    & skf21("6","1","4","4","7","4","7","1") = "6"
    & skf21("6","1","4","4","7","5","1","1") = "6"
    & skf21("6","1","4","4","7","5","2","1") = "6"
    & skf21("6","1","4","4","7","5","3","1") = "6"
    & skf21("6","1","4","4","7","5","4","1") = "6"
    & skf21("6","1","4","4","7","5","5","1") = "6"
    & skf21("6","1","4","4","7","5","6","1") = "6"
    & skf21("6","1","4","4","7","5","7","1") = "6"
    & skf21("6","1","4","4","7","6","1","1") = "6"
    & skf21("6","1","4","4","7","6","2","1") = "6"
    & skf21("6","1","4","4","7","6","3","1") = "6"
    & skf21("6","1","4","4","7","6","4","1") = "6"
    & skf21("6","1","4","4","7","6","5","1") = "6"
    & skf21("6","1","4","4","7","6","6","1") = "6"
    & skf21("6","1","4","4","7","6","7","1") = "6"
    & skf21("6","1","4","4","7","7","1","1") = "6"
    & skf21("6","1","4","4","7","7","2","1") = "6"
    & skf21("6","1","4","4","7","7","3","1") = "6"
    & skf21("6","1","4","4","7","7","4","1") = "6"
    & skf21("6","1","4","4","7","7","5","1") = "6"
    & skf21("6","1","4","4","7","7","6","1") = "6"
    & skf21("6","1","4","4","7","7","7","1") = "6"
    & skf21("6","1","4","5","1","1","1","1") = "5"
    & skf21("6","1","4","5","1","1","2","1") = "5"
    & skf21("6","1","4","5","1","1","3","1") = "5"
    & skf21("6","1","4","5","1","1","4","1") = "5"
    & skf21("6","1","4","5","1","1","5","1") = "5"
    & skf21("6","1","4","5","1","1","6","1") = "5"
    & skf21("6","1","4","5","1","1","7","1") = "6"
    & skf21("6","1","4","5","1","2","1","1") = "5"
    & skf21("6","1","4","5","1","2","2","1") = "5"
    & skf21("6","1","4","5","1","2","3","1") = "5"
    & skf21("6","1","4","5","1","2","4","1") = "5"
    & skf21("6","1","4","5","1","2","5","1") = "5"
    & skf21("6","1","4","5","1","2","6","1") = "5"
    & skf21("6","1","4","5","1","2","7","1") = "6"
    & skf21("6","1","4","5","1","3","1","1") = "5"
    & skf21("6","1","4","5","1","3","2","1") = "5"
    & skf21("6","1","4","5","1","3","3","1") = "5"
    & skf21("6","1","4","5","1","3","4","1") = "5"
    & skf21("6","1","4","5","1","3","5","1") = "5"
    & skf21("6","1","4","5","1","3","6","1") = "5"
    & skf21("6","1","4","5","1","3","7","1") = "6"
    & skf21("6","1","4","5","1","4","1","1") = "5"
    & skf21("6","1","4","5","1","4","2","1") = "5"
    & skf21("6","1","4","5","1","4","3","1") = "5"
    & skf21("6","1","4","5","1","4","4","1") = "5"
    & skf21("6","1","4","5","1","4","5","1") = "5"
    & skf21("6","1","4","5","1","4","6","1") = "5"
    & skf21("6","1","4","5","1","4","7","1") = "6"
    & skf21("6","1","4","5","1","5","1","1") = "5"
    & skf21("6","1","4","5","1","5","2","1") = "5"
    & skf21("6","1","4","5","1","5","3","1") = "5"
    & skf21("6","1","4","5","1","5","4","1") = "5"
    & skf21("6","1","4","5","1","5","5","1") = "5"
    & skf21("6","1","4","5","1","5","6","1") = "5"
    & skf21("6","1","4","5","1","5","7","1") = "6"
    & skf21("6","1","4","5","1","6","1","1") = "5"
    & skf21("6","1","4","5","1","6","2","1") = "5"
    & skf21("6","1","4","5","1","6","3","1") = "5"
    & skf21("6","1","4","5","1","6","4","1") = "5"
    & skf21("6","1","4","5","1","6","5","1") = "5"
    & skf21("6","1","4","5","1","6","6","1") = "5"
    & skf21("6","1","4","5","1","6","7","1") = "6"
    & skf21("6","1","4","5","1","7","1","1") = "6"
    & skf21("6","1","4","5","1","7","2","1") = "6"
    & skf21("6","1","4","5","1","7","3","1") = "6"
    & skf21("6","1","4","5","1","7","4","1") = "6"
    & skf21("6","1","4","5","1","7","5","1") = "6"
    & skf21("6","1","4","5","1","7","6","1") = "6"
    & skf21("6","1","4","5","1","7","7","1") = "6"
    & skf21("6","1","4","5","2","1","1","1") = "5"
    & skf21("6","1","4","5","2","1","2","1") = "5"
    & skf21("6","1","4","5","2","1","3","1") = "5"
    & skf21("6","1","4","5","2","1","4","1") = "5"
    & skf21("6","1","4","5","2","1","5","1") = "5"
    & skf21("6","1","4","5","2","1","6","1") = "5"
    & skf21("6","1","4","5","2","1","7","1") = "6"
    & skf21("6","1","4","5","2","2","1","1") = "5"
    & skf21("6","1","4","5","2","2","2","1") = "5"
    & skf21("6","1","4","5","2","2","3","1") = "5"
    & skf21("6","1","4","5","2","2","4","1") = "5"
    & skf21("6","1","4","5","2","2","5","1") = "5"
    & skf21("6","1","4","5","2","2","6","1") = "5"
    & skf21("6","1","4","5","2","2","7","1") = "6"
    & skf21("6","1","4","5","2","3","1","1") = "5"
    & skf21("6","1","4","5","2","3","2","1") = "5"
    & skf21("6","1","4","5","2","3","3","1") = "5"
    & skf21("6","1","4","5","2","3","4","1") = "5"
    & skf21("6","1","4","5","2","3","5","1") = "5"
    & skf21("6","1","4","5","2","3","6","1") = "5"
    & skf21("6","1","4","5","2","3","7","1") = "6"
    & skf21("6","1","4","5","2","4","1","1") = "5"
    & skf21("6","1","4","5","2","4","2","1") = "5"
    & skf21("6","1","4","5","2","4","3","1") = "5"
    & skf21("6","1","4","5","2","4","4","1") = "5"
    & skf21("6","1","4","5","2","4","5","1") = "5"
    & skf21("6","1","4","5","2","4","6","1") = "5"
    & skf21("6","1","4","5","2","4","7","1") = "6"
    & skf21("6","1","4","5","2","5","1","1") = "5"
    & skf21("6","1","4","5","2","5","2","1") = "5"
    & skf21("6","1","4","5","2","5","3","1") = "5"
    & skf21("6","1","4","5","2","5","4","1") = "5"
    & skf21("6","1","4","5","2","5","5","1") = "5"
    & skf21("6","1","4","5","2","5","6","1") = "5"
    & skf21("6","1","4","5","2","5","7","1") = "6"
    & skf21("6","1","4","5","2","6","1","1") = "5"
    & skf21("6","1","4","5","2","6","2","1") = "5"
    & skf21("6","1","4","5","2","6","3","1") = "5"
    & skf21("6","1","4","5","2","6","4","1") = "5"
    & skf21("6","1","4","5","2","6","5","1") = "5"
    & skf21("6","1","4","5","2","6","6","1") = "5"
    & skf21("6","1","4","5","2","6","7","1") = "6"
    & skf21("6","1","4","5","2","7","1","1") = "6"
    & skf21("6","1","4","5","2","7","2","1") = "6"
    & skf21("6","1","4","5","2","7","3","1") = "6"
    & skf21("6","1","4","5","2","7","4","1") = "6"
    & skf21("6","1","4","5","2","7","5","1") = "6"
    & skf21("6","1","4","5","2","7","6","1") = "6"
    & skf21("6","1","4","5","2","7","7","1") = "6"
    & skf21("6","1","4","5","3","1","1","1") = "5"
    & skf21("6","1","4","5","3","1","2","1") = "5"
    & skf21("6","1","4","5","3","1","3","1") = "5"
    & skf21("6","1","4","5","3","1","4","1") = "5"
    & skf21("6","1","4","5","3","1","5","1") = "5"
    & skf21("6","1","4","5","3","1","6","1") = "5"
    & skf21("6","1","4","5","3","1","7","1") = "6"
    & skf21("6","1","4","5","3","2","1","1") = "5"
    & skf21("6","1","4","5","3","2","2","1") = "5"
    & skf21("6","1","4","5","3","2","3","1") = "5"
    & skf21("6","1","4","5","3","2","4","1") = "5"
    & skf21("6","1","4","5","3","2","5","1") = "5"
    & skf21("6","1","4","5","3","2","6","1") = "5"
    & skf21("6","1","4","5","3","2","7","1") = "6"
    & skf21("6","1","4","5","3","3","1","1") = "5"
    & skf21("6","1","4","5","3","3","2","1") = "5"
    & skf21("6","1","4","5","3","3","3","1") = "5"
    & skf21("6","1","4","5","3","3","4","1") = "5"
    & skf21("6","1","4","5","3","3","5","1") = "5"
    & skf21("6","1","4","5","3","3","6","1") = "5"
    & skf21("6","1","4","5","3","3","7","1") = "6"
    & skf21("6","1","4","5","3","4","1","1") = "5"
    & skf21("6","1","4","5","3","4","2","1") = "5"
    & skf21("6","1","4","5","3","4","3","1") = "5"
    & skf21("6","1","4","5","3","4","4","1") = "5"
    & skf21("6","1","4","5","3","4","5","1") = "5"
    & skf21("6","1","4","5","3","4","6","1") = "5"
    & skf21("6","1","4","5","3","4","7","1") = "6"
    & skf21("6","1","4","5","3","5","1","1") = "5"
    & skf21("6","1","4","5","3","5","2","1") = "5"
    & skf21("6","1","4","5","3","5","3","1") = "5"
    & skf21("6","1","4","5","3","5","4","1") = "5"
    & skf21("6","1","4","5","3","5","5","1") = "5"
    & skf21("6","1","4","5","3","5","6","1") = "5"
    & skf21("6","1","4","5","3","5","7","1") = "6"
    & skf21("6","1","4","5","3","6","1","1") = "5"
    & skf21("6","1","4","5","3","6","2","1") = "5"
    & skf21("6","1","4","5","3","6","3","1") = "5"
    & skf21("6","1","4","5","3","6","4","1") = "5"
    & skf21("6","1","4","5","3","6","5","1") = "5"
    & skf21("6","1","4","5","3","6","6","1") = "5"
    & skf21("6","1","4","5","3","6","7","1") = "6"
    & skf21("6","1","4","5","3","7","1","1") = "6"
    & skf21("6","1","4","5","3","7","2","1") = "6"
    & skf21("6","1","4","5","3","7","3","1") = "6"
    & skf21("6","1","4","5","3","7","4","1") = "6"
    & skf21("6","1","4","5","3","7","5","1") = "6"
    & skf21("6","1","4","5","3","7","6","1") = "6"
    & skf21("6","1","4","5","3","7","7","1") = "6"
    & skf21("6","1","4","5","4","1","1","1") = "5"
    & skf21("6","1","4","5","4","1","2","1") = "5"
    & skf21("6","1","4","5","4","1","3","1") = "5"
    & skf21("6","1","4","5","4","1","4","1") = "5"
    & skf21("6","1","4","5","4","1","5","1") = "5"
    & skf21("6","1","4","5","4","1","6","1") = "5"
    & skf21("6","1","4","5","4","1","7","1") = "6"
    & skf21("6","1","4","5","4","2","1","1") = "5"
    & skf21("6","1","4","5","4","2","2","1") = "5"
    & skf21("6","1","4","5","4","2","3","1") = "5"
    & skf21("6","1","4","5","4","2","4","1") = "5"
    & skf21("6","1","4","5","4","2","5","1") = "5"
    & skf21("6","1","4","5","4","2","6","1") = "5"
    & skf21("6","1","4","5","4","2","7","1") = "6"
    & skf21("6","1","4","5","4","3","1","1") = "5"
    & skf21("6","1","4","5","4","3","2","1") = "5"
    & skf21("6","1","4","5","4","3","3","1") = "5"
    & skf21("6","1","4","5","4","3","4","1") = "5"
    & skf21("6","1","4","5","4","3","5","1") = "5"
    & skf21("6","1","4","5","4","3","6","1") = "5"
    & skf21("6","1","4","5","4","3","7","1") = "6"
    & skf21("6","1","4","5","4","4","1","1") = "5"
    & skf21("6","1","4","5","4","4","2","1") = "5"
    & skf21("6","1","4","5","4","4","3","1") = "5"
    & skf21("6","1","4","5","4","4","4","1") = "5"
    & skf21("6","1","4","5","4","4","5","1") = "5"
    & skf21("6","1","4","5","4","4","6","1") = "5"
    & skf21("6","1","4","5","4","4","7","1") = "6"
    & skf21("6","1","4","5","4","5","1","1") = "5"
    & skf21("6","1","4","5","4","5","2","1") = "5"
    & skf21("6","1","4","5","4","5","3","1") = "5"
    & skf21("6","1","4","5","4","5","4","1") = "5"
    & skf21("6","1","4","5","4","5","5","1") = "5"
    & skf21("6","1","4","5","4","5","6","1") = "5"
    & skf21("6","1","4","5","4","5","7","1") = "6"
    & skf21("6","1","4","5","4","6","1","1") = "5"
    & skf21("6","1","4","5","4","6","2","1") = "5"
    & skf21("6","1","4","5","4","6","3","1") = "5"
    & skf21("6","1","4","5","4","6","4","1") = "5"
    & skf21("6","1","4","5","4","6","5","1") = "5"
    & skf21("6","1","4","5","4","6","6","1") = "5"
    & skf21("6","1","4","5","4","6","7","1") = "6"
    & skf21("6","1","4","5","4","7","1","1") = "6"
    & skf21("6","1","4","5","4","7","2","1") = "6"
    & skf21("6","1","4","5","4","7","3","1") = "6"
    & skf21("6","1","4","5","4","7","4","1") = "6"
    & skf21("6","1","4","5","4","7","5","1") = "6"
    & skf21("6","1","4","5","4","7","6","1") = "6"
    & skf21("6","1","4","5","4","7","7","1") = "6"
    & skf21("6","1","4","5","5","1","1","1") = "5"
    & skf21("6","1","4","5","5","1","2","1") = "5"
    & skf21("6","1","4","5","5","1","3","1") = "5"
    & skf21("6","1","4","5","5","1","4","1") = "5"
    & skf21("6","1","4","5","5","1","5","1") = "5"
    & skf21("6","1","4","5","5","1","6","1") = "5"
    & skf21("6","1","4","5","5","1","7","1") = "6"
    & skf21("6","1","4","5","5","2","1","1") = "5"
    & skf21("6","1","4","5","5","2","2","1") = "5"
    & skf21("6","1","4","5","5","2","3","1") = "5"
    & skf21("6","1","4","5","5","2","4","1") = "5"
    & skf21("6","1","4","5","5","2","5","1") = "5"
    & skf21("6","1","4","5","5","2","6","1") = "5"
    & skf21("6","1","4","5","5","2","7","1") = "6"
    & skf21("6","1","4","5","5","3","1","1") = "5"
    & skf21("6","1","4","5","5","3","2","1") = "5"
    & skf21("6","1","4","5","5","3","3","1") = "5"
    & skf21("6","1","4","5","5","3","4","1") = "5"
    & skf21("6","1","4","5","5","3","5","1") = "5"
    & skf21("6","1","4","5","5","3","6","1") = "5"
    & skf21("6","1","4","5","5","3","7","1") = "6"
    & skf21("6","1","4","5","5","4","1","1") = "5"
    & skf21("6","1","4","5","5","4","2","1") = "5"
    & skf21("6","1","4","5","5","4","3","1") = "5"
    & skf21("6","1","4","5","5","4","4","1") = "5"
    & skf21("6","1","4","5","5","4","5","1") = "5"
    & skf21("6","1","4","5","5","4","6","1") = "5"
    & skf21("6","1","4","5","5","4","7","1") = "6"
    & skf21("6","1","4","5","5","5","1","1") = "5"
    & skf21("6","1","4","5","5","5","2","1") = "5"
    & skf21("6","1","4","5","5","5","3","1") = "5"
    & skf21("6","1","4","5","5","5","4","1") = "5"
    & skf21("6","1","4","5","5","5","5","1") = "5"
    & skf21("6","1","4","5","5","5","6","1") = "5"
    & skf21("6","1","4","5","5","5","7","1") = "6"
    & skf21("6","1","4","5","5","6","1","1") = "5"
    & skf21("6","1","4","5","5","6","2","1") = "5"
    & skf21("6","1","4","5","5","6","3","1") = "5"
    & skf21("6","1","4","5","5","6","4","1") = "5"
    & skf21("6","1","4","5","5","6","5","1") = "5"
    & skf21("6","1","4","5","5","6","6","1") = "5"
    & skf21("6","1","4","5","5","6","7","1") = "6"
    & skf21("6","1","4","5","5","7","1","1") = "6"
    & skf21("6","1","4","5","5","7","2","1") = "6"
    & skf21("6","1","4","5","5","7","3","1") = "6"
    & skf21("6","1","4","5","5","7","4","1") = "6"
    & skf21("6","1","4","5","5","7","5","1") = "6"
    & skf21("6","1","4","5","5","7","6","1") = "6"
    & skf21("6","1","4","5","5","7","7","1") = "6"
    & skf21("6","1","4","5","6","1","1","1") = "5"
    & skf21("6","1","4","5","6","1","2","1") = "5"
    & skf21("6","1","4","5","6","1","3","1") = "5"
    & skf21("6","1","4","5","6","1","4","1") = "5"
    & skf21("6","1","4","5","6","1","5","1") = "5"
    & skf21("6","1","4","5","6","1","6","1") = "5"
    & skf21("6","1","4","5","6","1","7","1") = "6"
    & skf21("6","1","4","5","6","2","1","1") = "5"
    & skf21("6","1","4","5","6","2","2","1") = "5"
    & skf21("6","1","4","5","6","2","3","1") = "5"
    & skf21("6","1","4","5","6","2","4","1") = "5"
    & skf21("6","1","4","5","6","2","5","1") = "5"
    & skf21("6","1","4","5","6","2","6","1") = "5"
    & skf21("6","1","4","5","6","2","7","1") = "6"
    & skf21("6","1","4","5","6","3","1","1") = "5"
    & skf21("6","1","4","5","6","3","2","1") = "5"
    & skf21("6","1","4","5","6","3","3","1") = "5"
    & skf21("6","1","4","5","6","3","4","1") = "5"
    & skf21("6","1","4","5","6","3","5","1") = "5"
    & skf21("6","1","4","5","6","3","6","1") = "5"
    & skf21("6","1","4","5","6","3","7","1") = "6"
    & skf21("6","1","4","5","6","4","1","1") = "5"
    & skf21("6","1","4","5","6","4","2","1") = "5"
    & skf21("6","1","4","5","6","4","3","1") = "5"
    & skf21("6","1","4","5","6","4","4","1") = "5"
    & skf21("6","1","4","5","6","4","5","1") = "5"
    & skf21("6","1","4","5","6","4","6","1") = "5"
    & skf21("6","1","4","5","6","4","7","1") = "6"
    & skf21("6","1","4","5","6","5","1","1") = "5"
    & skf21("6","1","4","5","6","5","2","1") = "5"
    & skf21("6","1","4","5","6","5","3","1") = "5"
    & skf21("6","1","4","5","6","5","4","1") = "5"
    & skf21("6","1","4","5","6","5","5","1") = "5"
    & skf21("6","1","4","5","6","5","6","1") = "5"
    & skf21("6","1","4","5","6","5","7","1") = "6"
    & skf21("6","1","4","5","6","6","1","1") = "5"
    & skf21("6","1","4","5","6","6","2","1") = "5"
    & skf21("6","1","4","5","6","6","3","1") = "5"
    & skf21("6","1","4","5","6","6","4","1") = "5"
    & skf21("6","1","4","5","6","6","5","1") = "5"
    & skf21("6","1","4","5","6","6","6","1") = "5"
    & skf21("6","1","4","5","6","6","7","1") = "6"
    & skf21("6","1","4","5","6","7","1","1") = "6"
    & skf21("6","1","4","5","6","7","2","1") = "6"
    & skf21("6","1","4","5","6","7","3","1") = "6"
    & skf21("6","1","4","5","6","7","4","1") = "6"
    & skf21("6","1","4","5","6","7","5","1") = "6"
    & skf21("6","1","4","5","6","7","6","1") = "6"
    & skf21("6","1","4","5","6","7","7","1") = "6"
    & skf21("6","1","4","5","7","1","1","1") = "6"
    & skf21("6","1","4","5","7","1","2","1") = "6"
    & skf21("6","1","4","5","7","1","3","1") = "6"
    & skf21("6","1","4","5","7","1","4","1") = "6"
    & skf21("6","1","4","5","7","1","5","1") = "6"
    & skf21("6","1","4","5","7","1","6","1") = "6"
    & skf21("6","1","4","5","7","1","7","1") = "6"
    & skf21("6","1","4","5","7","2","1","1") = "6"
    & skf21("6","1","4","5","7","2","2","1") = "6"
    & skf21("6","1","4","5","7","2","3","1") = "6"
    & skf21("6","1","4","5","7","2","4","1") = "6"
    & skf21("6","1","4","5","7","2","5","1") = "6"
    & skf21("6","1","4","5","7","2","6","1") = "6"
    & skf21("6","1","4","5","7","2","7","1") = "6"
    & skf21("6","1","4","5","7","3","1","1") = "6"
    & skf21("6","1","4","5","7","3","2","1") = "6"
    & skf21("6","1","4","5","7","3","3","1") = "6"
    & skf21("6","1","4","5","7","3","4","1") = "6"
    & skf21("6","1","4","5","7","3","5","1") = "6"
    & skf21("6","1","4","5","7","3","6","1") = "6"
    & skf21("6","1","4","5","7","3","7","1") = "6"
    & skf21("6","1","4","5","7","4","1","1") = "6"
    & skf21("6","1","4","5","7","4","2","1") = "6"
    & skf21("6","1","4","5","7","4","3","1") = "6"
    & skf21("6","1","4","5","7","4","4","1") = "6"
    & skf21("6","1","4","5","7","4","5","1") = "6"
    & skf21("6","1","4","5","7","4","6","1") = "6"
    & skf21("6","1","4","5","7","4","7","1") = "6"
    & skf21("6","1","4","5","7","5","1","1") = "6"
    & skf21("6","1","4","5","7","5","2","1") = "6"
    & skf21("6","1","4","5","7","5","3","1") = "6"
    & skf21("6","1","4","5","7","5","4","1") = "6"
    & skf21("6","1","4","5","7","5","5","1") = "6"
    & skf21("6","1","4","5","7","5","6","1") = "6"
    & skf21("6","1","4","5","7","5","7","1") = "6"
    & skf21("6","1","4","5","7","6","1","1") = "6"
    & skf21("6","1","4","5","7","6","2","1") = "6"
    & skf21("6","1","4","5","7","6","3","1") = "6"
    & skf21("6","1","4","5","7","6","4","1") = "6"
    & skf21("6","1","4","5","7","6","5","1") = "6"
    & skf21("6","1","4","5","7","6","6","1") = "6"
    & skf21("6","1","4","5","7","6","7","1") = "6"
    & skf21("6","1","4","5","7","7","1","1") = "6"
    & skf21("6","1","4","5","7","7","2","1") = "6"
    & skf21("6","1","4","5","7","7","3","1") = "6"
    & skf21("6","1","4","5","7","7","4","1") = "6"
    & skf21("6","1","4","5","7","7","5","1") = "6"
    & skf21("6","1","4","5","7","7","6","1") = "6"
    & skf21("6","1","4","5","7","7","7","1") = "6"
    & skf21("6","1","4","6","1","1","1","1") = "5"
    & skf21("6","1","4","6","1","1","2","1") = "5"
    & skf21("6","1","4","6","1","1","3","1") = "5"
    & skf21("6","1","4","6","1","1","4","1") = "5"
    & skf21("6","1","4","6","1","1","5","1") = "5"
    & skf21("6","1","4","6","1","1","6","1") = "5"
    & skf21("6","1","4","6","1","1","7","1") = "6"
    & skf21("6","1","4","6","1","2","1","1") = "5"
    & skf21("6","1","4","6","1","2","2","1") = "5"
    & skf21("6","1","4","6","1","2","3","1") = "5"
    & skf21("6","1","4","6","1","2","4","1") = "5"
    & skf21("6","1","4","6","1","2","5","1") = "5"
    & skf21("6","1","4","6","1","2","6","1") = "5"
    & skf21("6","1","4","6","1","2","7","1") = "6"
    & skf21("6","1","4","6","1","3","1","1") = "5"
    & skf21("6","1","4","6","1","3","2","1") = "5"
    & skf21("6","1","4","6","1","3","3","1") = "5"
    & skf21("6","1","4","6","1","3","4","1") = "5"
    & skf21("6","1","4","6","1","3","5","1") = "5"
    & skf21("6","1","4","6","1","3","6","1") = "5"
    & skf21("6","1","4","6","1","3","7","1") = "6"
    & skf21("6","1","4","6","1","4","1","1") = "5"
    & skf21("6","1","4","6","1","4","2","1") = "5"
    & skf21("6","1","4","6","1","4","3","1") = "5"
    & skf21("6","1","4","6","1","4","4","1") = "5"
    & skf21("6","1","4","6","1","4","5","1") = "5"
    & skf21("6","1","4","6","1","4","6","1") = "5"
    & skf21("6","1","4","6","1","4","7","1") = "6"
    & skf21("6","1","4","6","1","5","1","1") = "5"
    & skf21("6","1","4","6","1","5","2","1") = "5"
    & skf21("6","1","4","6","1","5","3","1") = "5"
    & skf21("6","1","4","6","1","5","4","1") = "5"
    & skf21("6","1","4","6","1","5","5","1") = "5"
    & skf21("6","1","4","6","1","5","6","1") = "5"
    & skf21("6","1","4","6","1","5","7","1") = "6"
    & skf21("6","1","4","6","1","6","1","1") = "5"
    & skf21("6","1","4","6","1","6","2","1") = "5"
    & skf21("6","1","4","6","1","6","3","1") = "5"
    & skf21("6","1","4","6","1","6","4","1") = "5"
    & skf21("6","1","4","6","1","6","5","1") = "5"
    & skf21("6","1","4","6","1","6","6","1") = "5"
    & skf21("6","1","4","6","1","6","7","1") = "6"
    & skf21("6","1","4","6","1","7","1","1") = "6"
    & skf21("6","1","4","6","1","7","2","1") = "6"
    & skf21("6","1","4","6","1","7","3","1") = "6"
    & skf21("6","1","4","6","1","7","4","1") = "6"
    & skf21("6","1","4","6","1","7","5","1") = "6"
    & skf21("6","1","4","6","1","7","6","1") = "6"
    & skf21("6","1","4","6","1","7","7","1") = "6"
    & skf21("6","1","4","6","2","1","1","1") = "5"
    & skf21("6","1","4","6","2","1","2","1") = "5"
    & skf21("6","1","4","6","2","1","3","1") = "5"
    & skf21("6","1","4","6","2","1","4","1") = "5"
    & skf21("6","1","4","6","2","1","5","1") = "5"
    & skf21("6","1","4","6","2","1","6","1") = "5"
    & skf21("6","1","4","6","2","1","7","1") = "6"
    & skf21("6","1","4","6","2","2","1","1") = "5"
    & skf21("6","1","4","6","2","2","2","1") = "5"
    & skf21("6","1","4","6","2","2","3","1") = "5"
    & skf21("6","1","4","6","2","2","4","1") = "5"
    & skf21("6","1","4","6","2","2","5","1") = "5"
    & skf21("6","1","4","6","2","2","6","1") = "5"
    & skf21("6","1","4","6","2","2","7","1") = "6"
    & skf21("6","1","4","6","2","3","1","1") = "5"
    & skf21("6","1","4","6","2","3","2","1") = "5"
    & skf21("6","1","4","6","2","3","3","1") = "5"
    & skf21("6","1","4","6","2","3","4","1") = "5"
    & skf21("6","1","4","6","2","3","5","1") = "5"
    & skf21("6","1","4","6","2","3","6","1") = "5"
    & skf21("6","1","4","6","2","3","7","1") = "6"
    & skf21("6","1","4","6","2","4","1","1") = "5"
    & skf21("6","1","4","6","2","4","2","1") = "5"
    & skf21("6","1","4","6","2","4","3","1") = "5"
    & skf21("6","1","4","6","2","4","4","1") = "5"
    & skf21("6","1","4","6","2","4","5","1") = "5"
    & skf21("6","1","4","6","2","4","6","1") = "5"
    & skf21("6","1","4","6","2","4","7","1") = "6"
    & skf21("6","1","4","6","2","5","1","1") = "5"
    & skf21("6","1","4","6","2","5","2","1") = "5"
    & skf21("6","1","4","6","2","5","3","1") = "5"
    & skf21("6","1","4","6","2","5","4","1") = "5"
    & skf21("6","1","4","6","2","5","5","1") = "5"
    & skf21("6","1","4","6","2","5","6","1") = "5"
    & skf21("6","1","4","6","2","5","7","1") = "6"
    & skf21("6","1","4","6","2","6","1","1") = "5"
    & skf21("6","1","4","6","2","6","2","1") = "5"
    & skf21("6","1","4","6","2","6","3","1") = "5"
    & skf21("6","1","4","6","2","6","4","1") = "5"
    & skf21("6","1","4","6","2","6","5","1") = "5"
    & skf21("6","1","4","6","2","6","6","1") = "5"
    & skf21("6","1","4","6","2","6","7","1") = "6"
    & skf21("6","1","4","6","2","7","1","1") = "6"
    & skf21("6","1","4","6","2","7","2","1") = "6"
    & skf21("6","1","4","6","2","7","3","1") = "6"
    & skf21("6","1","4","6","2","7","4","1") = "6"
    & skf21("6","1","4","6","2","7","5","1") = "6"
    & skf21("6","1","4","6","2","7","6","1") = "6"
    & skf21("6","1","4","6","2","7","7","1") = "6"
    & skf21("6","1","4","6","3","1","1","1") = "5"
    & skf21("6","1","4","6","3","1","2","1") = "5"
    & skf21("6","1","4","6","3","1","3","1") = "5"
    & skf21("6","1","4","6","3","1","4","1") = "5"
    & skf21("6","1","4","6","3","1","5","1") = "5"
    & skf21("6","1","4","6","3","1","6","1") = "5"
    & skf21("6","1","4","6","3","1","7","1") = "6"
    & skf21("6","1","4","6","3","2","1","1") = "5"
    & skf21("6","1","4","6","3","2","2","1") = "5"
    & skf21("6","1","4","6","3","2","3","1") = "5"
    & skf21("6","1","4","6","3","2","4","1") = "5"
    & skf21("6","1","4","6","3","2","5","1") = "5"
    & skf21("6","1","4","6","3","2","6","1") = "5"
    & skf21("6","1","4","6","3","2","7","1") = "6"
    & skf21("6","1","4","6","3","3","1","1") = "5"
    & skf21("6","1","4","6","3","3","2","1") = "5"
    & skf21("6","1","4","6","3","3","3","1") = "5"
    & skf21("6","1","4","6","3","3","4","1") = "5"
    & skf21("6","1","4","6","3","3","5","1") = "5"
    & skf21("6","1","4","6","3","3","6","1") = "5"
    & skf21("6","1","4","6","3","3","7","1") = "6"
    & skf21("6","1","4","6","3","4","1","1") = "5"
    & skf21("6","1","4","6","3","4","2","1") = "5"
    & skf21("6","1","4","6","3","4","3","1") = "5"
    & skf21("6","1","4","6","3","4","4","1") = "5"
    & skf21("6","1","4","6","3","4","5","1") = "5"
    & skf21("6","1","4","6","3","4","6","1") = "5"
    & skf21("6","1","4","6","3","4","7","1") = "6"
    & skf21("6","1","4","6","3","5","1","1") = "5"
    & skf21("6","1","4","6","3","5","2","1") = "5"
    & skf21("6","1","4","6","3","5","3","1") = "5"
    & skf21("6","1","4","6","3","5","4","1") = "5"
    & skf21("6","1","4","6","3","5","5","1") = "5"
    & skf21("6","1","4","6","3","5","6","1") = "5"
    & skf21("6","1","4","6","3","5","7","1") = "6"
    & skf21("6","1","4","6","3","6","1","1") = "5"
    & skf21("6","1","4","6","3","6","2","1") = "5"
    & skf21("6","1","4","6","3","6","3","1") = "5"
    & skf21("6","1","4","6","3","6","4","1") = "5"
    & skf21("6","1","4","6","3","6","5","1") = "5"
    & skf21("6","1","4","6","3","6","6","1") = "5"
    & skf21("6","1","4","6","3","6","7","1") = "6"
    & skf21("6","1","4","6","3","7","1","1") = "6"
    & skf21("6","1","4","6","3","7","2","1") = "6"
    & skf21("6","1","4","6","3","7","3","1") = "6"
    & skf21("6","1","4","6","3","7","4","1") = "6"
    & skf21("6","1","4","6","3","7","5","1") = "6"
    & skf21("6","1","4","6","3","7","6","1") = "6"
    & skf21("6","1","4","6","3","7","7","1") = "6"
    & skf21("6","1","4","6","4","1","1","1") = "5"
    & skf21("6","1","4","6","4","1","2","1") = "5"
    & skf21("6","1","4","6","4","1","3","1") = "5"
    & skf21("6","1","4","6","4","1","4","1") = "5"
    & skf21("6","1","4","6","4","1","5","1") = "5"
    & skf21("6","1","4","6","4","1","6","1") = "5"
    & skf21("6","1","4","6","4","1","7","1") = "6"
    & skf21("6","1","4","6","4","2","1","1") = "5"
    & skf21("6","1","4","6","4","2","2","1") = "5"
    & skf21("6","1","4","6","4","2","3","1") = "5"
    & skf21("6","1","4","6","4","2","4","1") = "5"
    & skf21("6","1","4","6","4","2","5","1") = "5"
    & skf21("6","1","4","6","4","2","6","1") = "5"
    & skf21("6","1","4","6","4","2","7","1") = "6"
    & skf21("6","1","4","6","4","3","1","1") = "5"
    & skf21("6","1","4","6","4","3","2","1") = "5"
    & skf21("6","1","4","6","4","3","3","1") = "5"
    & skf21("6","1","4","6","4","3","4","1") = "5"
    & skf21("6","1","4","6","4","3","5","1") = "5"
    & skf21("6","1","4","6","4","3","6","1") = "5"
    & skf21("6","1","4","6","4","3","7","1") = "6"
    & skf21("6","1","4","6","4","4","1","1") = "5"
    & skf21("6","1","4","6","4","4","2","1") = "5"
    & skf21("6","1","4","6","4","4","3","1") = "5"
    & skf21("6","1","4","6","4","4","4","1") = "5"
    & skf21("6","1","4","6","4","4","5","1") = "5"
    & skf21("6","1","4","6","4","4","6","1") = "5"
    & skf21("6","1","4","6","4","4","7","1") = "6"
    & skf21("6","1","4","6","4","5","1","1") = "5"
    & skf21("6","1","4","6","4","5","2","1") = "5"
    & skf21("6","1","4","6","4","5","3","1") = "5"
    & skf21("6","1","4","6","4","5","4","1") = "5"
    & skf21("6","1","4","6","4","5","5","1") = "5"
    & skf21("6","1","4","6","4","5","6","1") = "5"
    & skf21("6","1","4","6","4","5","7","1") = "6"
    & skf21("6","1","4","6","4","6","1","1") = "5"
    & skf21("6","1","4","6","4","6","2","1") = "5"
    & skf21("6","1","4","6","4","6","3","1") = "5"
    & skf21("6","1","4","6","4","6","4","1") = "5"
    & skf21("6","1","4","6","4","6","5","1") = "5"
    & skf21("6","1","4","6","4","6","6","1") = "5"
    & skf21("6","1","4","6","4","6","7","1") = "6"
    & skf21("6","1","4","6","4","7","1","1") = "6"
    & skf21("6","1","4","6","4","7","2","1") = "6"
    & skf21("6","1","4","6","4","7","3","1") = "6"
    & skf21("6","1","4","6","4","7","4","1") = "6"
    & skf21("6","1","4","6","4","7","5","1") = "6"
    & skf21("6","1","4","6","4","7","6","1") = "6"
    & skf21("6","1","4","6","4","7","7","1") = "6"
    & skf21("6","1","4","6","5","1","1","1") = "5"
    & skf21("6","1","4","6","5","1","2","1") = "5"
    & skf21("6","1","4","6","5","1","3","1") = "5"
    & skf21("6","1","4","6","5","1","4","1") = "5"
    & skf21("6","1","4","6","5","1","5","1") = "5"
    & skf21("6","1","4","6","5","1","6","1") = "5"
    & skf21("6","1","4","6","5","1","7","1") = "6"
    & skf21("6","1","4","6","5","2","1","1") = "5"
    & skf21("6","1","4","6","5","2","2","1") = "5"
    & skf21("6","1","4","6","5","2","3","1") = "5"
    & skf21("6","1","4","6","5","2","4","1") = "5"
    & skf21("6","1","4","6","5","2","5","1") = "5"
    & skf21("6","1","4","6","5","2","6","1") = "5"
    & skf21("6","1","4","6","5","2","7","1") = "6"
    & skf21("6","1","4","6","5","3","1","1") = "5"
    & skf21("6","1","4","6","5","3","2","1") = "5"
    & skf21("6","1","4","6","5","3","3","1") = "5"
    & skf21("6","1","4","6","5","3","4","1") = "5"
    & skf21("6","1","4","6","5","3","5","1") = "5"
    & skf21("6","1","4","6","5","3","6","1") = "5"
    & skf21("6","1","4","6","5","3","7","1") = "6"
    & skf21("6","1","4","6","5","4","1","1") = "5"
    & skf21("6","1","4","6","5","4","2","1") = "5"
    & skf21("6","1","4","6","5","4","3","1") = "5"
    & skf21("6","1","4","6","5","4","4","1") = "5"
    & skf21("6","1","4","6","5","4","5","1") = "5"
    & skf21("6","1","4","6","5","4","6","1") = "5"
    & skf21("6","1","4","6","5","4","7","1") = "6"
    & skf21("6","1","4","6","5","5","1","1") = "5"
    & skf21("6","1","4","6","5","5","2","1") = "5"
    & skf21("6","1","4","6","5","5","3","1") = "5"
    & skf21("6","1","4","6","5","5","4","1") = "5"
    & skf21("6","1","4","6","5","5","5","1") = "5"
    & skf21("6","1","4","6","5","5","6","1") = "5"
    & skf21("6","1","4","6","5","5","7","1") = "6"
    & skf21("6","1","4","6","5","6","1","1") = "5"
    & skf21("6","1","4","6","5","6","2","1") = "5"
    & skf21("6","1","4","6","5","6","3","1") = "5"
    & skf21("6","1","4","6","5","6","4","1") = "5"
    & skf21("6","1","4","6","5","6","5","1") = "5"
    & skf21("6","1","4","6","5","6","6","1") = "5"
    & skf21("6","1","4","6","5","6","7","1") = "6"
    & skf21("6","1","4","6","5","7","1","1") = "6"
    & skf21("6","1","4","6","5","7","2","1") = "6"
    & skf21("6","1","4","6","5","7","3","1") = "6"
    & skf21("6","1","4","6","5","7","4","1") = "6"
    & skf21("6","1","4","6","5","7","5","1") = "6"
    & skf21("6","1","4","6","5","7","6","1") = "6"
    & skf21("6","1","4","6","5","7","7","1") = "6"
    & skf21("6","1","4","6","6","1","1","1") = "5"
    & skf21("6","1","4","6","6","1","2","1") = "5"
    & skf21("6","1","4","6","6","1","3","1") = "5"
    & skf21("6","1","4","6","6","1","4","1") = "5"
    & skf21("6","1","4","6","6","1","5","1") = "5"
    & skf21("6","1","4","6","6","1","6","1") = "5"
    & skf21("6","1","4","6","6","1","7","1") = "6"
    & skf21("6","1","4","6","6","2","1","1") = "5"
    & skf21("6","1","4","6","6","2","2","1") = "5"
    & skf21("6","1","4","6","6","2","3","1") = "5"
    & skf21("6","1","4","6","6","2","4","1") = "5"
    & skf21("6","1","4","6","6","2","5","1") = "5"
    & skf21("6","1","4","6","6","2","6","1") = "5"
    & skf21("6","1","4","6","6","2","7","1") = "6"
    & skf21("6","1","4","6","6","3","1","1") = "5"
    & skf21("6","1","4","6","6","3","2","1") = "5"
    & skf21("6","1","4","6","6","3","3","1") = "5"
    & skf21("6","1","4","6","6","3","4","1") = "5"
    & skf21("6","1","4","6","6","3","5","1") = "5"
    & skf21("6","1","4","6","6","3","6","1") = "5"
    & skf21("6","1","4","6","6","3","7","1") = "6"
    & skf21("6","1","4","6","6","4","1","1") = "5"
    & skf21("6","1","4","6","6","4","2","1") = "5"
    & skf21("6","1","4","6","6","4","3","1") = "5"
    & skf21("6","1","4","6","6","4","4","1") = "5"
    & skf21("6","1","4","6","6","4","5","1") = "5"
    & skf21("6","1","4","6","6","4","6","1") = "5"
    & skf21("6","1","4","6","6","4","7","1") = "6"
    & skf21("6","1","4","6","6","5","1","1") = "5"
    & skf21("6","1","4","6","6","5","2","1") = "5"
    & skf21("6","1","4","6","6","5","3","1") = "5"
    & skf21("6","1","4","6","6","5","4","1") = "5"
    & skf21("6","1","4","6","6","5","5","1") = "5"
    & skf21("6","1","4","6","6","5","6","1") = "5"
    & skf21("6","1","4","6","6","5","7","1") = "6"
    & skf21("6","1","4","6","6","6","1","1") = "5"
    & skf21("6","1","4","6","6","6","2","1") = "5"
    & skf21("6","1","4","6","6","6","3","1") = "5"
    & skf21("6","1","4","6","6","6","4","1") = "5"
    & skf21("6","1","4","6","6","6","5","1") = "5"
    & skf21("6","1","4","6","6","6","6","1") = "5"
    & skf21("6","1","4","6","6","6","7","1") = "6"
    & skf21("6","1","4","6","6","7","1","1") = "6"
    & skf21("6","1","4","6","6","7","2","1") = "6"
    & skf21("6","1","4","6","6","7","3","1") = "6"
    & skf21("6","1","4","6","6","7","4","1") = "6"
    & skf21("6","1","4","6","6","7","5","1") = "6"
    & skf21("6","1","4","6","6","7","6","1") = "6"
    & skf21("6","1","4","6","6","7","7","1") = "6"
    & skf21("6","1","4","6","7","1","1","1") = "6"
    & skf21("6","1","4","6","7","1","2","1") = "6"
    & skf21("6","1","4","6","7","1","3","1") = "6"
    & skf21("6","1","4","6","7","1","4","1") = "6"
    & skf21("6","1","4","6","7","1","5","1") = "6"
    & skf21("6","1","4","6","7","1","6","1") = "6"
    & skf21("6","1","4","6","7","1","7","1") = "6"
    & skf21("6","1","4","6","7","2","1","1") = "6"
    & skf21("6","1","4","6","7","2","2","1") = "6"
    & skf21("6","1","4","6","7","2","3","1") = "6"
    & skf21("6","1","4","6","7","2","4","1") = "6"
    & skf21("6","1","4","6","7","2","5","1") = "6"
    & skf21("6","1","4","6","7","2","6","1") = "6"
    & skf21("6","1","4","6","7","2","7","1") = "6"
    & skf21("6","1","4","6","7","3","1","1") = "6"
    & skf21("6","1","4","6","7","3","2","1") = "6"
    & skf21("6","1","4","6","7","3","3","1") = "6"
    & skf21("6","1","4","6","7","3","4","1") = "6"
    & skf21("6","1","4","6","7","3","5","1") = "6"
    & skf21("6","1","4","6","7","3","6","1") = "6"
    & skf21("6","1","4","6","7","3","7","1") = "6"
    & skf21("6","1","4","6","7","4","1","1") = "6"
    & skf21("6","1","4","6","7","4","2","1") = "6"
    & skf21("6","1","4","6","7","4","3","1") = "6"
    & skf21("6","1","4","6","7","4","4","1") = "6"
    & skf21("6","1","4","6","7","4","5","1") = "6"
    & skf21("6","1","4","6","7","4","6","1") = "6"
    & skf21("6","1","4","6","7","4","7","1") = "6"
    & skf21("6","1","4","6","7","5","1","1") = "6"
    & skf21("6","1","4","6","7","5","2","1") = "6"
    & skf21("6","1","4","6","7","5","3","1") = "6"
    & skf21("6","1","4","6","7","5","4","1") = "6"
    & skf21("6","1","4","6","7","5","5","1") = "6"
    & skf21("6","1","4","6","7","5","6","1") = "6"
    & skf21("6","1","4","6","7","5","7","1") = "6"
    & skf21("6","1","4","6","7","6","1","1") = "6"
    & skf21("6","1","4","6","7","6","2","1") = "6"
    & skf21("6","1","4","6","7","6","3","1") = "6"
    & skf21("6","1","4","6","7","6","4","1") = "6"
    & skf21("6","1","4","6","7","6","5","1") = "6"
    & skf21("6","1","4","6","7","6","6","1") = "6"
    & skf21("6","1","4","6","7","6","7","1") = "6"
    & skf21("6","1","4","6","7","7","1","1") = "6"
    & skf21("6","1","4","6","7","7","2","1") = "6"
    & skf21("6","1","4","6","7","7","3","1") = "6"
    & skf21("6","1","4","6","7","7","4","1") = "6"
    & skf21("6","1","4","6","7","7","5","1") = "6"
    & skf21("6","1","4","6","7","7","6","1") = "6"
    & skf21("6","1","4","6","7","7","7","1") = "6"
    & skf21("6","1","4","7","1","1","1","1") = "6"
    & skf21("6","1","4","7","1","1","2","1") = "6"
    & skf21("6","1","4","7","1","1","3","1") = "6"
    & skf21("6","1","4","7","1","1","4","1") = "6"
    & skf21("6","1","4","7","1","1","5","1") = "6"
    & skf21("6","1","4","7","1","1","6","1") = "6"
    & skf21("6","1","4","7","1","1","7","1") = "6"
    & skf21("6","1","4","7","1","2","1","1") = "6"
    & skf21("6","1","4","7","1","2","2","1") = "6"
    & skf21("6","1","4","7","1","2","3","1") = "6"
    & skf21("6","1","4","7","1","2","4","1") = "6"
    & skf21("6","1","4","7","1","2","5","1") = "6"
    & skf21("6","1","4","7","1","2","6","1") = "6"
    & skf21("6","1","4","7","1","2","7","1") = "6"
    & skf21("6","1","4","7","1","3","1","1") = "6"
    & skf21("6","1","4","7","1","3","2","1") = "6"
    & skf21("6","1","4","7","1","3","3","1") = "6"
    & skf21("6","1","4","7","1","3","4","1") = "6"
    & skf21("6","1","4","7","1","3","5","1") = "6"
    & skf21("6","1","4","7","1","3","6","1") = "6"
    & skf21("6","1","4","7","1","3","7","1") = "6"
    & skf21("6","1","4","7","1","4","1","1") = "6"
    & skf21("6","1","4","7","1","4","2","1") = "6"
    & skf21("6","1","4","7","1","4","3","1") = "6"
    & skf21("6","1","4","7","1","4","4","1") = "6"
    & skf21("6","1","4","7","1","4","5","1") = "6"
    & skf21("6","1","4","7","1","4","6","1") = "6"
    & skf21("6","1","4","7","1","4","7","1") = "6"
    & skf21("6","1","4","7","1","5","1","1") = "6"
    & skf21("6","1","4","7","1","5","2","1") = "6"
    & skf21("6","1","4","7","1","5","3","1") = "6"
    & skf21("6","1","4","7","1","5","4","1") = "6"
    & skf21("6","1","4","7","1","5","5","1") = "6"
    & skf21("6","1","4","7","1","5","6","1") = "6"
    & skf21("6","1","4","7","1","5","7","1") = "6"
    & skf21("6","1","4","7","1","6","1","1") = "6"
    & skf21("6","1","4","7","1","6","2","1") = "6"
    & skf21("6","1","4","7","1","6","3","1") = "6"
    & skf21("6","1","4","7","1","6","4","1") = "6"
    & skf21("6","1","4","7","1","6","5","1") = "6"
    & skf21("6","1","4","7","1","6","6","1") = "6"
    & skf21("6","1","4","7","1","6","7","1") = "6"
    & skf21("6","1","4","7","1","7","1","1") = "6"
    & skf21("6","1","4","7","1","7","2","1") = "6"
    & skf21("6","1","4","7","1","7","3","1") = "6"
    & skf21("6","1","4","7","1","7","4","1") = "6"
    & skf21("6","1","4","7","1","7","5","1") = "6"
    & skf21("6","1","4","7","1","7","6","1") = "6"
    & skf21("6","1","4","7","1","7","7","1") = "6"
    & skf21("6","1","4","7","2","1","1","1") = "6"
    & skf21("6","1","4","7","2","1","2","1") = "6"
    & skf21("6","1","4","7","2","1","3","1") = "6"
    & skf21("6","1","4","7","2","1","4","1") = "6"
    & skf21("6","1","4","7","2","1","5","1") = "6"
    & skf21("6","1","4","7","2","1","6","1") = "6"
    & skf21("6","1","4","7","2","1","7","1") = "6"
    & skf21("6","1","4","7","2","2","1","1") = "6"
    & skf21("6","1","4","7","2","2","2","1") = "6"
    & skf21("6","1","4","7","2","2","3","1") = "6"
    & skf21("6","1","4","7","2","2","4","1") = "6"
    & skf21("6","1","4","7","2","2","5","1") = "6"
    & skf21("6","1","4","7","2","2","6","1") = "6"
    & skf21("6","1","4","7","2","2","7","1") = "6"
    & skf21("6","1","4","7","2","3","1","1") = "6"
    & skf21("6","1","4","7","2","3","2","1") = "6"
    & skf21("6","1","4","7","2","3","3","1") = "6"
    & skf21("6","1","4","7","2","3","4","1") = "6"
    & skf21("6","1","4","7","2","3","5","1") = "6"
    & skf21("6","1","4","7","2","3","6","1") = "6"
    & skf21("6","1","4","7","2","3","7","1") = "6"
    & skf21("6","1","4","7","2","4","1","1") = "6"
    & skf21("6","1","4","7","2","4","2","1") = "6"
    & skf21("6","1","4","7","2","4","3","1") = "6"
    & skf21("6","1","4","7","2","4","4","1") = "6"
    & skf21("6","1","4","7","2","4","5","1") = "6"
    & skf21("6","1","4","7","2","4","6","1") = "6"
    & skf21("6","1","4","7","2","4","7","1") = "6"
    & skf21("6","1","4","7","2","5","1","1") = "6"
    & skf21("6","1","4","7","2","5","2","1") = "6"
    & skf21("6","1","4","7","2","5","3","1") = "6"
    & skf21("6","1","4","7","2","5","4","1") = "6"
    & skf21("6","1","4","7","2","5","5","1") = "6"
    & skf21("6","1","4","7","2","5","6","1") = "6"
    & skf21("6","1","4","7","2","5","7","1") = "6"
    & skf21("6","1","4","7","2","6","1","1") = "6"
    & skf21("6","1","4","7","2","6","2","1") = "6"
    & skf21("6","1","4","7","2","6","3","1") = "6"
    & skf21("6","1","4","7","2","6","4","1") = "6"
    & skf21("6","1","4","7","2","6","5","1") = "6"
    & skf21("6","1","4","7","2","6","6","1") = "6"
    & skf21("6","1","4","7","2","6","7","1") = "6"
    & skf21("6","1","4","7","2","7","1","1") = "6"
    & skf21("6","1","4","7","2","7","2","1") = "6"
    & skf21("6","1","4","7","2","7","3","1") = "6"
    & skf21("6","1","4","7","2","7","4","1") = "6"
    & skf21("6","1","4","7","2","7","5","1") = "6"
    & skf21("6","1","4","7","2","7","6","1") = "6"
    & skf21("6","1","4","7","2","7","7","1") = "6"
    & skf21("6","1","4","7","3","1","1","1") = "6"
    & skf21("6","1","4","7","3","1","2","1") = "6"
    & skf21("6","1","4","7","3","1","3","1") = "6"
    & skf21("6","1","4","7","3","1","4","1") = "6"
    & skf21("6","1","4","7","3","1","5","1") = "6"
    & skf21("6","1","4","7","3","1","6","1") = "6"
    & skf21("6","1","4","7","3","1","7","1") = "6"
    & skf21("6","1","4","7","3","2","1","1") = "6"
    & skf21("6","1","4","7","3","2","2","1") = "6"
    & skf21("6","1","4","7","3","2","3","1") = "6"
    & skf21("6","1","4","7","3","2","4","1") = "6"
    & skf21("6","1","4","7","3","2","5","1") = "6"
    & skf21("6","1","4","7","3","2","6","1") = "6"
    & skf21("6","1","4","7","3","2","7","1") = "6"
    & skf21("6","1","4","7","3","3","1","1") = "6"
    & skf21("6","1","4","7","3","3","2","1") = "6"
    & skf21("6","1","4","7","3","3","3","1") = "6"
    & skf21("6","1","4","7","3","3","4","1") = "6"
    & skf21("6","1","4","7","3","3","5","1") = "6"
    & skf21("6","1","4","7","3","3","6","1") = "6"
    & skf21("6","1","4","7","3","3","7","1") = "6"
    & skf21("6","1","4","7","3","4","1","1") = "6"
    & skf21("6","1","4","7","3","4","2","1") = "6"
    & skf21("6","1","4","7","3","4","3","1") = "6"
    & skf21("6","1","4","7","3","4","4","1") = "6"
    & skf21("6","1","4","7","3","4","5","1") = "6"
    & skf21("6","1","4","7","3","4","6","1") = "6"
    & skf21("6","1","4","7","3","4","7","1") = "6"
    & skf21("6","1","4","7","3","5","1","1") = "6"
    & skf21("6","1","4","7","3","5","2","1") = "6"
    & skf21("6","1","4","7","3","5","3","1") = "6"
    & skf21("6","1","4","7","3","5","4","1") = "6"
    & skf21("6","1","4","7","3","5","5","1") = "6"
    & skf21("6","1","4","7","3","5","6","1") = "6"
    & skf21("6","1","4","7","3","5","7","1") = "6"
    & skf21("6","1","4","7","3","6","1","1") = "6"
    & skf21("6","1","4","7","3","6","2","1") = "6"
    & skf21("6","1","4","7","3","6","3","1") = "6"
    & skf21("6","1","4","7","3","6","4","1") = "6"
    & skf21("6","1","4","7","3","6","5","1") = "6"
    & skf21("6","1","4","7","3","6","6","1") = "6"
    & skf21("6","1","4","7","3","6","7","1") = "6"
    & skf21("6","1","4","7","3","7","1","1") = "6"
    & skf21("6","1","4","7","3","7","2","1") = "6"
    & skf21("6","1","4","7","3","7","3","1") = "6"
    & skf21("6","1","4","7","3","7","4","1") = "6"
    & skf21("6","1","4","7","3","7","5","1") = "6"
    & skf21("6","1","4","7","3","7","6","1") = "6"
    & skf21("6","1","4","7","3","7","7","1") = "6"
    & skf21("6","1","4","7","4","1","1","1") = "6"
    & skf21("6","1","4","7","4","1","2","1") = "6"
    & skf21("6","1","4","7","4","1","3","1") = "6"
    & skf21("6","1","4","7","4","1","4","1") = "6"
    & skf21("6","1","4","7","4","1","5","1") = "6"
    & skf21("6","1","4","7","4","1","6","1") = "6"
    & skf21("6","1","4","7","4","1","7","1") = "6"
    & skf21("6","1","4","7","4","2","1","1") = "6"
    & skf21("6","1","4","7","4","2","2","1") = "6"
    & skf21("6","1","4","7","4","2","3","1") = "6"
    & skf21("6","1","4","7","4","2","4","1") = "6"
    & skf21("6","1","4","7","4","2","5","1") = "6"
    & skf21("6","1","4","7","4","2","6","1") = "6"
    & skf21("6","1","4","7","4","2","7","1") = "6"
    & skf21("6","1","4","7","4","3","1","1") = "6"
    & skf21("6","1","4","7","4","3","2","1") = "6"
    & skf21("6","1","4","7","4","3","3","1") = "6"
    & skf21("6","1","4","7","4","3","4","1") = "6"
    & skf21("6","1","4","7","4","3","5","1") = "6"
    & skf21("6","1","4","7","4","3","6","1") = "6"
    & skf21("6","1","4","7","4","3","7","1") = "6"
    & skf21("6","1","4","7","4","4","1","1") = "6"
    & skf21("6","1","4","7","4","4","2","1") = "6"
    & skf21("6","1","4","7","4","4","3","1") = "6"
    & skf21("6","1","4","7","4","4","4","1") = "6"
    & skf21("6","1","4","7","4","4","5","1") = "6"
    & skf21("6","1","4","7","4","4","6","1") = "6"
    & skf21("6","1","4","7","4","4","7","1") = "6"
    & skf21("6","1","4","7","4","5","1","1") = "6"
    & skf21("6","1","4","7","4","5","2","1") = "6"
    & skf21("6","1","4","7","4","5","3","1") = "6"
    & skf21("6","1","4","7","4","5","4","1") = "6"
    & skf21("6","1","4","7","4","5","5","1") = "6"
    & skf21("6","1","4","7","4","5","6","1") = "6"
    & skf21("6","1","4","7","4","5","7","1") = "6"
    & skf21("6","1","4","7","4","6","1","1") = "6"
    & skf21("6","1","4","7","4","6","2","1") = "6"
    & skf21("6","1","4","7","4","6","3","1") = "6"
    & skf21("6","1","4","7","4","6","4","1") = "6"
    & skf21("6","1","4","7","4","6","5","1") = "6"
    & skf21("6","1","4","7","4","6","6","1") = "6"
    & skf21("6","1","4","7","4","6","7","1") = "6"
    & skf21("6","1","4","7","4","7","1","1") = "6"
    & skf21("6","1","4","7","4","7","2","1") = "6"
    & skf21("6","1","4","7","4","7","3","1") = "6"
    & skf21("6","1","4","7","4","7","4","1") = "6"
    & skf21("6","1","4","7","4","7","5","1") = "6"
    & skf21("6","1","4","7","4","7","6","1") = "6"
    & skf21("6","1","4","7","4","7","7","1") = "6"
    & skf21("6","1","4","7","5","1","1","1") = "6"
    & skf21("6","1","4","7","5","1","2","1") = "6"
    & skf21("6","1","4","7","5","1","3","1") = "6"
    & skf21("6","1","4","7","5","1","4","1") = "6"
    & skf21("6","1","4","7","5","1","5","1") = "6"
    & skf21("6","1","4","7","5","1","6","1") = "6"
    & skf21("6","1","4","7","5","1","7","1") = "6"
    & skf21("6","1","4","7","5","2","1","1") = "6"
    & skf21("6","1","4","7","5","2","2","1") = "6"
    & skf21("6","1","4","7","5","2","3","1") = "6"
    & skf21("6","1","4","7","5","2","4","1") = "6"
    & skf21("6","1","4","7","5","2","5","1") = "6"
    & skf21("6","1","4","7","5","2","6","1") = "6"
    & skf21("6","1","4","7","5","2","7","1") = "6"
    & skf21("6","1","4","7","5","3","1","1") = "6"
    & skf21("6","1","4","7","5","3","2","1") = "6"
    & skf21("6","1","4","7","5","3","3","1") = "6"
    & skf21("6","1","4","7","5","3","4","1") = "6"
    & skf21("6","1","4","7","5","3","5","1") = "6"
    & skf21("6","1","4","7","5","3","6","1") = "6"
    & skf21("6","1","4","7","5","3","7","1") = "6"
    & skf21("6","1","4","7","5","4","1","1") = "6"
    & skf21("6","1","4","7","5","4","2","1") = "6"
    & skf21("6","1","4","7","5","4","3","1") = "6"
    & skf21("6","1","4","7","5","4","4","1") = "6"
    & skf21("6","1","4","7","5","4","5","1") = "6"
    & skf21("6","1","4","7","5","4","6","1") = "6"
    & skf21("6","1","4","7","5","4","7","1") = "6"
    & skf21("6","1","4","7","5","5","1","1") = "6"
    & skf21("6","1","4","7","5","5","2","1") = "6"
    & skf21("6","1","4","7","5","5","3","1") = "6"
    & skf21("6","1","4","7","5","5","4","1") = "6"
    & skf21("6","1","4","7","5","5","5","1") = "6"
    & skf21("6","1","4","7","5","5","6","1") = "6"
    & skf21("6","1","4","7","5","5","7","1") = "6"
    & skf21("6","1","4","7","5","6","1","1") = "6"
    & skf21("6","1","4","7","5","6","2","1") = "6"
    & skf21("6","1","4","7","5","6","3","1") = "6"
    & skf21("6","1","4","7","5","6","4","1") = "6"
    & skf21("6","1","4","7","5","6","5","1") = "6"
    & skf21("6","1","4","7","5","6","6","1") = "6"
    & skf21("6","1","4","7","5","6","7","1") = "6"
    & skf21("6","1","4","7","5","7","1","1") = "6"
    & skf21("6","1","4","7","5","7","2","1") = "6"
    & skf21("6","1","4","7","5","7","3","1") = "6"
    & skf21("6","1","4","7","5","7","4","1") = "6"
    & skf21("6","1","4","7","5","7","5","1") = "6"
    & skf21("6","1","4","7","5","7","6","1") = "6"
    & skf21("6","1","4","7","5","7","7","1") = "6"
    & skf21("6","1","4","7","6","1","1","1") = "6"
    & skf21("6","1","4","7","6","1","2","1") = "6"
    & skf21("6","1","4","7","6","1","3","1") = "6"
    & skf21("6","1","4","7","6","1","4","1") = "6"
    & skf21("6","1","4","7","6","1","5","1") = "6"
    & skf21("6","1","4","7","6","1","6","1") = "6"
    & skf21("6","1","4","7","6","1","7","1") = "6"
    & skf21("6","1","4","7","6","2","1","1") = "6"
    & skf21("6","1","4","7","6","2","2","1") = "6"
    & skf21("6","1","4","7","6","2","3","1") = "6"
    & skf21("6","1","4","7","6","2","4","1") = "6"
    & skf21("6","1","4","7","6","2","5","1") = "6"
    & skf21("6","1","4","7","6","2","6","1") = "6"
    & skf21("6","1","4","7","6","2","7","1") = "6"
    & skf21("6","1","4","7","6","3","1","1") = "6"
    & skf21("6","1","4","7","6","3","2","1") = "6"
    & skf21("6","1","4","7","6","3","3","1") = "6"
    & skf21("6","1","4","7","6","3","4","1") = "6"
    & skf21("6","1","4","7","6","3","5","1") = "6"
    & skf21("6","1","4","7","6","3","6","1") = "6"
    & skf21("6","1","4","7","6","3","7","1") = "6"
    & skf21("6","1","4","7","6","4","1","1") = "6"
    & skf21("6","1","4","7","6","4","2","1") = "6"
    & skf21("6","1","4","7","6","4","3","1") = "6"
    & skf21("6","1","4","7","6","4","4","1") = "6"
    & skf21("6","1","4","7","6","4","5","1") = "6"
    & skf21("6","1","4","7","6","4","6","1") = "6"
    & skf21("6","1","4","7","6","4","7","1") = "6"
    & skf21("6","1","4","7","6","5","1","1") = "6"
    & skf21("6","1","4","7","6","5","2","1") = "6"
    & skf21("6","1","4","7","6","5","3","1") = "6"
    & skf21("6","1","4","7","6","5","4","1") = "6"
    & skf21("6","1","4","7","6","5","5","1") = "6"
    & skf21("6","1","4","7","6","5","6","1") = "6"
    & skf21("6","1","4","7","6","5","7","1") = "6"
    & skf21("6","1","4","7","6","6","1","1") = "6"
    & skf21("6","1","4","7","6","6","2","1") = "6"
    & skf21("6","1","4","7","6","6","3","1") = "6"
    & skf21("6","1","4","7","6","6","4","1") = "6"
    & skf21("6","1","4","7","6","6","5","1") = "6"
    & skf21("6","1","4","7","6","6","6","1") = "6"
    & skf21("6","1","4","7","6","6","7","1") = "6"
    & skf21("6","1","4","7","6","7","1","1") = "6"
    & skf21("6","1","4","7","6","7","2","1") = "6"
    & skf21("6","1","4","7","6","7","3","1") = "6"
    & skf21("6","1","4","7","6","7","4","1") = "6"
    & skf21("6","1","4","7","6","7","5","1") = "6"
    & skf21("6","1","4","7","6","7","6","1") = "6"
    & skf21("6","1","4","7","6","7","7","1") = "6"
    & skf21("6","1","4","7","7","1","1","1") = "6"
    & skf21("6","1","4","7","7","1","2","1") = "6"
    & skf21("6","1","4","7","7","1","3","1") = "6"
    & skf21("6","1","4","7","7","1","4","1") = "6"
    & skf21("6","1","4","7","7","1","5","1") = "6"
    & skf21("6","1","4","7","7","1","6","1") = "6"
    & skf21("6","1","4","7","7","1","7","1") = "6"
    & skf21("6","1","4","7","7","2","1","1") = "6"
    & skf21("6","1","4","7","7","2","2","1") = "6"
    & skf21("6","1","4","7","7","2","3","1") = "6"
    & skf21("6","1","4","7","7","2","4","1") = "6"
    & skf21("6","1","4","7","7","2","5","1") = "6"
    & skf21("6","1","4","7","7","2","6","1") = "6"
    & skf21("6","1","4","7","7","2","7","1") = "6"
    & skf21("6","1","4","7","7","3","1","1") = "6"
    & skf21("6","1","4","7","7","3","2","1") = "6"
    & skf21("6","1","4","7","7","3","3","1") = "6"
    & skf21("6","1","4","7","7","3","4","1") = "6"
    & skf21("6","1","4","7","7","3","5","1") = "6"
    & skf21("6","1","4","7","7","3","6","1") = "6"
    & skf21("6","1","4","7","7","3","7","1") = "6"
    & skf21("6","1","4","7","7","4","1","1") = "6"
    & skf21("6","1","4","7","7","4","2","1") = "6"
    & skf21("6","1","4","7","7","4","3","1") = "6"
    & skf21("6","1","4","7","7","4","4","1") = "6"
    & skf21("6","1","4","7","7","4","5","1") = "6"
    & skf21("6","1","4","7","7","4","6","1") = "6"
    & skf21("6","1","4","7","7","4","7","1") = "6"
    & skf21("6","1","4","7","7","5","1","1") = "6"
    & skf21("6","1","4","7","7","5","2","1") = "6"
    & skf21("6","1","4","7","7","5","3","1") = "6"
    & skf21("6","1","4","7","7","5","4","1") = "6"
    & skf21("6","1","4","7","7","5","5","1") = "6"
    & skf21("6","1","4","7","7","5","6","1") = "6"
    & skf21("6","1","4","7","7","5","7","1") = "6"
    & skf21("6","1","4","7","7","6","1","1") = "6"
    & skf21("6","1","4","7","7","6","2","1") = "6"
    & skf21("6","1","4","7","7","6","3","1") = "6"
    & skf21("6","1","4","7","7","6","4","1") = "6"
    & skf21("6","1","4","7","7","6","5","1") = "6"
    & skf21("6","1","4","7","7","6","6","1") = "6"
    & skf21("6","1","4","7","7","6","7","1") = "6"
    & skf21("6","1","4","7","7","7","1","1") = "6"
    & skf21("6","1","4","7","7","7","2","1") = "6"
    & skf21("6","1","4","7","7","7","3","1") = "6"
    & skf21("6","1","4","7","7","7","4","1") = "6"
    & skf21("6","1","4","7","7","7","5","1") = "6"
    & skf21("6","1","4","7","7","7","6","1") = "6"
    & skf21("6","1","4","7","7","7","7","1") = "6"
    & skf21("6","1","5","1","1","1","1","1") = "5"
    & skf21("6","1","5","1","1","1","2","1") = "5"
    & skf21("6","1","5","1","1","1","3","1") = "5"
    & skf21("6","1","5","1","1","1","4","1") = "5"
    & skf21("6","1","5","1","1","1","5","1") = "5"
    & skf21("6","1","5","1","1","1","6","1") = "5"
    & skf21("6","1","5","1","1","1","7","1") = "6"
    & skf21("6","1","5","1","1","2","1","1") = "5"
    & skf21("6","1","5","1","1","2","2","1") = "5"
    & skf21("6","1","5","1","1","2","3","1") = "5"
    & skf21("6","1","5","1","1","2","4","1") = "5"
    & skf21("6","1","5","1","1","2","5","1") = "5"
    & skf21("6","1","5","1","1","2","6","1") = "5"
    & skf21("6","1","5","1","1","2","7","1") = "6"
    & skf21("6","1","5","1","1","3","1","1") = "5"
    & skf21("6","1","5","1","1","3","2","1") = "5"
    & skf21("6","1","5","1","1","3","3","1") = "5"
    & skf21("6","1","5","1","1","3","4","1") = "5"
    & skf21("6","1","5","1","1","3","5","1") = "5"
    & skf21("6","1","5","1","1","3","6","1") = "5"
    & skf21("6","1","5","1","1","3","7","1") = "6"
    & skf21("6","1","5","1","1","4","1","1") = "5"
    & skf21("6","1","5","1","1","4","2","1") = "5"
    & skf21("6","1","5","1","1","4","3","1") = "5"
    & skf21("6","1","5","1","1","4","4","1") = "5"
    & skf21("6","1","5","1","1","4","5","1") = "5"
    & skf21("6","1","5","1","1","4","6","1") = "5"
    & skf21("6","1","5","1","1","4","7","1") = "6"
    & skf21("6","1","5","1","1","5","1","1") = "5"
    & skf21("6","1","5","1","1","5","2","1") = "5"
    & skf21("6","1","5","1","1","5","3","1") = "5"
    & skf21("6","1","5","1","1","5","4","1") = "5"
    & skf21("6","1","5","1","1","5","5","1") = "5"
    & skf21("6","1","5","1","1","5","6","1") = "5"
    & skf21("6","1","5","1","1","5","7","1") = "6"
    & skf21("6","1","5","1","1","6","1","1") = "5"
    & skf21("6","1","5","1","1","6","2","1") = "5"
    & skf21("6","1","5","1","1","6","3","1") = "5"
    & skf21("6","1","5","1","1","6","4","1") = "5"
    & skf21("6","1","5","1","1","6","5","1") = "5"
    & skf21("6","1","5","1","1","6","6","1") = "5"
    & skf21("6","1","5","1","1","6","7","1") = "6"
    & skf21("6","1","5","1","1","7","1","1") = "6"
    & skf21("6","1","5","1","1","7","2","1") = "6"
    & skf21("6","1","5","1","1","7","3","1") = "6"
    & skf21("6","1","5","1","1","7","4","1") = "6"
    & skf21("6","1","5","1","1","7","5","1") = "6"
    & skf21("6","1","5","1","1","7","6","1") = "6"
    & skf21("6","1","5","1","1","7","7","1") = "6"
    & skf21("6","1","5","1","2","1","1","1") = "5"
    & skf21("6","1","5","1","2","1","2","1") = "5"
    & skf21("6","1","5","1","2","1","3","1") = "5"
    & skf21("6","1","5","1","2","1","4","1") = "5"
    & skf21("6","1","5","1","2","1","5","1") = "5"
    & skf21("6","1","5","1","2","1","6","1") = "5"
    & skf21("6","1","5","1","2","1","7","1") = "6"
    & skf21("6","1","5","1","2","2","1","1") = "5"
    & skf21("6","1","5","1","2","2","2","1") = "5"
    & skf21("6","1","5","1","2","2","3","1") = "5"
    & skf21("6","1","5","1","2","2","4","1") = "5"
    & skf21("6","1","5","1","2","2","5","1") = "5"
    & skf21("6","1","5","1","2","2","6","1") = "5"
    & skf21("6","1","5","1","2","2","7","1") = "6"
    & skf21("6","1","5","1","2","3","1","1") = "5"
    & skf21("6","1","5","1","2","3","2","1") = "5"
    & skf21("6","1","5","1","2","3","3","1") = "5"
    & skf21("6","1","5","1","2","3","4","1") = "5"
    & skf21("6","1","5","1","2","3","5","1") = "5"
    & skf21("6","1","5","1","2","3","6","1") = "5"
    & skf21("6","1","5","1","2","3","7","1") = "6"
    & skf21("6","1","5","1","2","4","1","1") = "5"
    & skf21("6","1","5","1","2","4","2","1") = "5"
    & skf21("6","1","5","1","2","4","3","1") = "5"
    & skf21("6","1","5","1","2","4","4","1") = "5"
    & skf21("6","1","5","1","2","4","5","1") = "5"
    & skf21("6","1","5","1","2","4","6","1") = "5"
    & skf21("6","1","5","1","2","4","7","1") = "6"
    & skf21("6","1","5","1","2","5","1","1") = "5"
    & skf21("6","1","5","1","2","5","2","1") = "5"
    & skf21("6","1","5","1","2","5","3","1") = "5"
    & skf21("6","1","5","1","2","5","4","1") = "5"
    & skf21("6","1","5","1","2","5","5","1") = "5"
    & skf21("6","1","5","1","2","5","6","1") = "5"
    & skf21("6","1","5","1","2","5","7","1") = "6"
    & skf21("6","1","5","1","2","6","1","1") = "5"
    & skf21("6","1","5","1","2","6","2","1") = "5"
    & skf21("6","1","5","1","2","6","3","1") = "5"
    & skf21("6","1","5","1","2","6","4","1") = "5"
    & skf21("6","1","5","1","2","6","5","1") = "5"
    & skf21("6","1","5","1","2","6","6","1") = "5"
    & skf21("6","1","5","1","2","6","7","1") = "6"
    & skf21("6","1","5","1","2","7","1","1") = "6"
    & skf21("6","1","5","1","2","7","2","1") = "6"
    & skf21("6","1","5","1","2","7","3","1") = "6"
    & skf21("6","1","5","1","2","7","4","1") = "6"
    & skf21("6","1","5","1","2","7","5","1") = "6"
    & skf21("6","1","5","1","2","7","6","1") = "6"
    & skf21("6","1","5","1","2","7","7","1") = "6"
    & skf21("6","1","5","1","3","1","1","1") = "5"
    & skf21("6","1","5","1","3","1","2","1") = "5"
    & skf21("6","1","5","1","3","1","3","1") = "5"
    & skf21("6","1","5","1","3","1","4","1") = "5"
    & skf21("6","1","5","1","3","1","5","1") = "5"
    & skf21("6","1","5","1","3","1","6","1") = "5"
    & skf21("6","1","5","1","3","1","7","1") = "6"
    & skf21("6","1","5","1","3","2","1","1") = "5"
    & skf21("6","1","5","1","3","2","2","1") = "5"
    & skf21("6","1","5","1","3","2","3","1") = "5"
    & skf21("6","1","5","1","3","2","4","1") = "5"
    & skf21("6","1","5","1","3","2","5","1") = "5"
    & skf21("6","1","5","1","3","2","6","1") = "5"
    & skf21("6","1","5","1","3","2","7","1") = "6"
    & skf21("6","1","5","1","3","3","1","1") = "5"
    & skf21("6","1","5","1","3","3","2","1") = "5"
    & skf21("6","1","5","1","3","3","3","1") = "5"
    & skf21("6","1","5","1","3","3","4","1") = "5"
    & skf21("6","1","5","1","3","3","5","1") = "5"
    & skf21("6","1","5","1","3","3","6","1") = "5"
    & skf21("6","1","5","1","3","3","7","1") = "6"
    & skf21("6","1","5","1","3","4","1","1") = "5"
    & skf21("6","1","5","1","3","4","2","1") = "5"
    & skf21("6","1","5","1","3","4","3","1") = "5"
    & skf21("6","1","5","1","3","4","4","1") = "5"
    & skf21("6","1","5","1","3","4","5","1") = "5"
    & skf21("6","1","5","1","3","4","6","1") = "5"
    & skf21("6","1","5","1","3","4","7","1") = "6"
    & skf21("6","1","5","1","3","5","1","1") = "5"
    & skf21("6","1","5","1","3","5","2","1") = "5"
    & skf21("6","1","5","1","3","5","3","1") = "5"
    & skf21("6","1","5","1","3","5","4","1") = "5"
    & skf21("6","1","5","1","3","5","5","1") = "5"
    & skf21("6","1","5","1","3","5","6","1") = "5"
    & skf21("6","1","5","1","3","5","7","1") = "6"
    & skf21("6","1","5","1","3","6","1","1") = "5"
    & skf21("6","1","5","1","3","6","2","1") = "5"
    & skf21("6","1","5","1","3","6","3","1") = "5"
    & skf21("6","1","5","1","3","6","4","1") = "5"
    & skf21("6","1","5","1","3","6","5","1") = "5"
    & skf21("6","1","5","1","3","6","6","1") = "5"
    & skf21("6","1","5","1","3","6","7","1") = "6"
    & skf21("6","1","5","1","3","7","1","1") = "6"
    & skf21("6","1","5","1","3","7","2","1") = "6"
    & skf21("6","1","5","1","3","7","3","1") = "6"
    & skf21("6","1","5","1","3","7","4","1") = "6"
    & skf21("6","1","5","1","3","7","5","1") = "6"
    & skf21("6","1","5","1","3","7","6","1") = "6"
    & skf21("6","1","5","1","3","7","7","1") = "6"
    & skf21("6","1","5","1","4","1","1","1") = "5"
    & skf21("6","1","5","1","4","1","2","1") = "5"
    & skf21("6","1","5","1","4","1","3","1") = "5"
    & skf21("6","1","5","1","4","1","4","1") = "5"
    & skf21("6","1","5","1","4","1","5","1") = "5"
    & skf21("6","1","5","1","4","1","6","1") = "5"
    & skf21("6","1","5","1","4","1","7","1") = "6"
    & skf21("6","1","5","1","4","2","1","1") = "5"
    & skf21("6","1","5","1","4","2","2","1") = "5"
    & skf21("6","1","5","1","4","2","3","1") = "5"
    & skf21("6","1","5","1","4","2","4","1") = "5"
    & skf21("6","1","5","1","4","2","5","1") = "5"
    & skf21("6","1","5","1","4","2","6","1") = "5"
    & skf21("6","1","5","1","4","2","7","1") = "6"
    & skf21("6","1","5","1","4","3","1","1") = "5"
    & skf21("6","1","5","1","4","3","2","1") = "5"
    & skf21("6","1","5","1","4","3","3","1") = "5"
    & skf21("6","1","5","1","4","3","4","1") = "5"
    & skf21("6","1","5","1","4","3","5","1") = "5"
    & skf21("6","1","5","1","4","3","6","1") = "5"
    & skf21("6","1","5","1","4","3","7","1") = "6"
    & skf21("6","1","5","1","4","4","1","1") = "5"
    & skf21("6","1","5","1","4","4","2","1") = "5"
    & skf21("6","1","5","1","4","4","3","1") = "5"
    & skf21("6","1","5","1","4","4","4","1") = "5"
    & skf21("6","1","5","1","4","4","5","1") = "5"
    & skf21("6","1","5","1","4","4","6","1") = "5"
    & skf21("6","1","5","1","4","4","7","1") = "6"
    & skf21("6","1","5","1","4","5","1","1") = "5"
    & skf21("6","1","5","1","4","5","2","1") = "5"
    & skf21("6","1","5","1","4","5","3","1") = "5"
    & skf21("6","1","5","1","4","5","4","1") = "5"
    & skf21("6","1","5","1","4","5","5","1") = "5"
    & skf21("6","1","5","1","4","5","6","1") = "5"
    & skf21("6","1","5","1","4","5","7","1") = "6"
    & skf21("6","1","5","1","4","6","1","1") = "5"
    & skf21("6","1","5","1","4","6","2","1") = "5"
    & skf21("6","1","5","1","4","6","3","1") = "5"
    & skf21("6","1","5","1","4","6","4","1") = "5"
    & skf21("6","1","5","1","4","6","5","1") = "5"
    & skf21("6","1","5","1","4","6","6","1") = "5"
    & skf21("6","1","5","1","4","6","7","1") = "6"
    & skf21("6","1","5","1","4","7","1","1") = "6"
    & skf21("6","1","5","1","4","7","2","1") = "6"
    & skf21("6","1","5","1","4","7","3","1") = "6"
    & skf21("6","1","5","1","4","7","4","1") = "6"
    & skf21("6","1","5","1","4","7","5","1") = "6"
    & skf21("6","1","5","1","4","7","6","1") = "6"
    & skf21("6","1","5","1","4","7","7","1") = "6"
    & skf21("6","1","5","1","5","1","1","1") = "5"
    & skf21("6","1","5","1","5","1","2","1") = "5"
    & skf21("6","1","5","1","5","1","3","1") = "5"
    & skf21("6","1","5","1","5","1","4","1") = "5"
    & skf21("6","1","5","1","5","1","5","1") = "5"
    & skf21("6","1","5","1","5","1","6","1") = "5"
    & skf21("6","1","5","1","5","1","7","1") = "6"
    & skf21("6","1","5","1","5","2","1","1") = "5"
    & skf21("6","1","5","1","5","2","2","1") = "5"
    & skf21("6","1","5","1","5","2","3","1") = "5"
    & skf21("6","1","5","1","5","2","4","1") = "5"
    & skf21("6","1","5","1","5","2","5","1") = "5"
    & skf21("6","1","5","1","5","2","6","1") = "5"
    & skf21("6","1","5","1","5","2","7","1") = "6"
    & skf21("6","1","5","1","5","3","1","1") = "5"
    & skf21("6","1","5","1","5","3","2","1") = "5"
    & skf21("6","1","5","1","5","3","3","1") = "5"
    & skf21("6","1","5","1","5","3","4","1") = "5"
    & skf21("6","1","5","1","5","3","5","1") = "5"
    & skf21("6","1","5","1","5","3","6","1") = "5"
    & skf21("6","1","5","1","5","3","7","1") = "6"
    & skf21("6","1","5","1","5","4","1","1") = "5"
    & skf21("6","1","5","1","5","4","2","1") = "5"
    & skf21("6","1","5","1","5","4","3","1") = "5"
    & skf21("6","1","5","1","5","4","4","1") = "5"
    & skf21("6","1","5","1","5","4","5","1") = "5"
    & skf21("6","1","5","1","5","4","6","1") = "5"
    & skf21("6","1","5","1","5","4","7","1") = "6"
    & skf21("6","1","5","1","5","5","1","1") = "5"
    & skf21("6","1","5","1","5","5","2","1") = "5"
    & skf21("6","1","5","1","5","5","3","1") = "5"
    & skf21("6","1","5","1","5","5","4","1") = "5"
    & skf21("6","1","5","1","5","5","5","1") = "5"
    & skf21("6","1","5","1","5","5","6","1") = "5"
    & skf21("6","1","5","1","5","5","7","1") = "6"
    & skf21("6","1","5","1","5","6","1","1") = "5"
    & skf21("6","1","5","1","5","6","2","1") = "5"
    & skf21("6","1","5","1","5","6","3","1") = "5"
    & skf21("6","1","5","1","5","6","4","1") = "5"
    & skf21("6","1","5","1","5","6","5","1") = "5"
    & skf21("6","1","5","1","5","6","6","1") = "5"
    & skf21("6","1","5","1","5","6","7","1") = "6"
    & skf21("6","1","5","1","5","7","1","1") = "6"
    & skf21("6","1","5","1","5","7","2","1") = "6"
    & skf21("6","1","5","1","5","7","3","1") = "6"
    & skf21("6","1","5","1","5","7","4","1") = "6"
    & skf21("6","1","5","1","5","7","5","1") = "6"
    & skf21("6","1","5","1","5","7","6","1") = "6"
    & skf21("6","1","5","1","5","7","7","1") = "6"
    & skf21("6","1","5","1","6","1","1","1") = "5"
    & skf21("6","1","5","1","6","1","2","1") = "5"
    & skf21("6","1","5","1","6","1","3","1") = "5"
    & skf21("6","1","5","1","6","1","4","1") = "5"
    & skf21("6","1","5","1","6","1","5","1") = "5"
    & skf21("6","1","5","1","6","1","6","1") = "5"
    & skf21("6","1","5","1","6","1","7","1") = "6"
    & skf21("6","1","5","1","6","2","1","1") = "5"
    & skf21("6","1","5","1","6","2","2","1") = "5"
    & skf21("6","1","5","1","6","2","3","1") = "5"
    & skf21("6","1","5","1","6","2","4","1") = "5"
    & skf21("6","1","5","1","6","2","5","1") = "5"
    & skf21("6","1","5","1","6","2","6","1") = "5"
    & skf21("6","1","5","1","6","2","7","1") = "6"
    & skf21("6","1","5","1","6","3","1","1") = "5"
    & skf21("6","1","5","1","6","3","2","1") = "5"
    & skf21("6","1","5","1","6","3","3","1") = "5"
    & skf21("6","1","5","1","6","3","4","1") = "5"
    & skf21("6","1","5","1","6","3","5","1") = "5"
    & skf21("6","1","5","1","6","3","6","1") = "5"
    & skf21("6","1","5","1","6","3","7","1") = "6"
    & skf21("6","1","5","1","6","4","1","1") = "5"
    & skf21("6","1","5","1","6","4","2","1") = "5"
    & skf21("6","1","5","1","6","4","3","1") = "5"
    & skf21("6","1","5","1","6","4","4","1") = "5"
    & skf21("6","1","5","1","6","4","5","1") = "5"
    & skf21("6","1","5","1","6","4","6","1") = "5"
    & skf21("6","1","5","1","6","4","7","1") = "6"
    & skf21("6","1","5","1","6","5","1","1") = "5"
    & skf21("6","1","5","1","6","5","2","1") = "5"
    & skf21("6","1","5","1","6","5","3","1") = "5"
    & skf21("6","1","5","1","6","5","4","1") = "5"
    & skf21("6","1","5","1","6","5","5","1") = "5"
    & skf21("6","1","5","1","6","5","6","1") = "5"
    & skf21("6","1","5","1","6","5","7","1") = "6"
    & skf21("6","1","5","1","6","6","1","1") = "5"
    & skf21("6","1","5","1","6","6","2","1") = "5"
    & skf21("6","1","5","1","6","6","3","1") = "5"
    & skf21("6","1","5","1","6","6","4","1") = "5"
    & skf21("6","1","5","1","6","6","5","1") = "5"
    & skf21("6","1","5","1","6","6","6","1") = "5"
    & skf21("6","1","5","1","6","6","7","1") = "6"
    & skf21("6","1","5","1","6","7","1","1") = "6"
    & skf21("6","1","5","1","6","7","2","1") = "6"
    & skf21("6","1","5","1","6","7","3","1") = "6"
    & skf21("6","1","5","1","6","7","4","1") = "6"
    & skf21("6","1","5","1","6","7","5","1") = "6"
    & skf21("6","1","5","1","6","7","6","1") = "6"
    & skf21("6","1","5","1","6","7","7","1") = "6"
    & skf21("6","1","5","1","7","1","1","1") = "6"
    & skf21("6","1","5","1","7","1","2","1") = "6"
    & skf21("6","1","5","1","7","1","3","1") = "6"
    & skf21("6","1","5","1","7","1","4","1") = "6"
    & skf21("6","1","5","1","7","1","5","1") = "6"
    & skf21("6","1","5","1","7","1","6","1") = "6"
    & skf21("6","1","5","1","7","1","7","1") = "6"
    & skf21("6","1","5","1","7","2","1","1") = "6"
    & skf21("6","1","5","1","7","2","2","1") = "6"
    & skf21("6","1","5","1","7","2","3","1") = "6"
    & skf21("6","1","5","1","7","2","4","1") = "6"
    & skf21("6","1","5","1","7","2","5","1") = "6"
    & skf21("6","1","5","1","7","2","6","1") = "6"
    & skf21("6","1","5","1","7","2","7","1") = "6"
    & skf21("6","1","5","1","7","3","1","1") = "6"
    & skf21("6","1","5","1","7","3","2","1") = "6"
    & skf21("6","1","5","1","7","3","3","1") = "6"
    & skf21("6","1","5","1","7","3","4","1") = "6"
    & skf21("6","1","5","1","7","3","5","1") = "6"
    & skf21("6","1","5","1","7","3","6","1") = "6"
    & skf21("6","1","5","1","7","3","7","1") = "6"
    & skf21("6","1","5","1","7","4","1","1") = "6"
    & skf21("6","1","5","1","7","4","2","1") = "6"
    & skf21("6","1","5","1","7","4","3","1") = "6"
    & skf21("6","1","5","1","7","4","4","1") = "6"
    & skf21("6","1","5","1","7","4","5","1") = "6"
    & skf21("6","1","5","1","7","4","6","1") = "6"
    & skf21("6","1","5","1","7","4","7","1") = "6"
    & skf21("6","1","5","1","7","5","1","1") = "6"
    & skf21("6","1","5","1","7","5","2","1") = "6"
    & skf21("6","1","5","1","7","5","3","1") = "6"
    & skf21("6","1","5","1","7","5","4","1") = "6"
    & skf21("6","1","5","1","7","5","5","1") = "6"
    & skf21("6","1","5","1","7","5","6","1") = "6"
    & skf21("6","1","5","1","7","5","7","1") = "6"
    & skf21("6","1","5","1","7","6","1","1") = "6"
    & skf21("6","1","5","1","7","6","2","1") = "6"
    & skf21("6","1","5","1","7","6","3","1") = "6"
    & skf21("6","1","5","1","7","6","4","1") = "6"
    & skf21("6","1","5","1","7","6","5","1") = "6"
    & skf21("6","1","5","1","7","6","6","1") = "6"
    & skf21("6","1","5","1","7","6","7","1") = "6"
    & skf21("6","1","5","1","7","7","1","1") = "6"
    & skf21("6","1","5","1","7","7","2","1") = "6"
    & skf21("6","1","5","1","7","7","3","1") = "6"
    & skf21("6","1","5","1","7","7","4","1") = "6"
    & skf21("6","1","5","1","7","7","5","1") = "6"
    & skf21("6","1","5","1","7","7","6","1") = "6"
    & skf21("6","1","5","1","7","7","7","1") = "6"
    & skf21("6","1","5","2","1","1","1","1") = "5"
    & skf21("6","1","5","2","1","1","2","1") = "5"
    & skf21("6","1","5","2","1","1","3","1") = "5"
    & skf21("6","1","5","2","1","1","4","1") = "5"
    & skf21("6","1","5","2","1","1","5","1") = "5"
    & skf21("6","1","5","2","1","1","6","1") = "5"
    & skf21("6","1","5","2","1","1","7","1") = "6"
    & skf21("6","1","5","2","1","2","1","1") = "5"
    & skf21("6","1","5","2","1","2","2","1") = "5"
    & skf21("6","1","5","2","1","2","3","1") = "5"
    & skf21("6","1","5","2","1","2","4","1") = "5"
    & skf21("6","1","5","2","1","2","5","1") = "5"
    & skf21("6","1","5","2","1","2","6","1") = "5"
    & skf21("6","1","5","2","1","2","7","1") = "6"
    & skf21("6","1","5","2","1","3","1","1") = "5"
    & skf21("6","1","5","2","1","3","2","1") = "5"
    & skf21("6","1","5","2","1","3","3","1") = "5"
    & skf21("6","1","5","2","1","3","4","1") = "5"
    & skf21("6","1","5","2","1","3","5","1") = "5"
    & skf21("6","1","5","2","1","3","6","1") = "5"
    & skf21("6","1","5","2","1","3","7","1") = "6"
    & skf21("6","1","5","2","1","4","1","1") = "5"
    & skf21("6","1","5","2","1","4","2","1") = "5"
    & skf21("6","1","5","2","1","4","3","1") = "5"
    & skf21("6","1","5","2","1","4","4","1") = "5"
    & skf21("6","1","5","2","1","4","5","1") = "5"
    & skf21("6","1","5","2","1","4","6","1") = "5"
    & skf21("6","1","5","2","1","4","7","1") = "6"
    & skf21("6","1","5","2","1","5","1","1") = "5"
    & skf21("6","1","5","2","1","5","2","1") = "5"
    & skf21("6","1","5","2","1","5","3","1") = "5"
    & skf21("6","1","5","2","1","5","4","1") = "5"
    & skf21("6","1","5","2","1","5","5","1") = "5"
    & skf21("6","1","5","2","1","5","6","1") = "5"
    & skf21("6","1","5","2","1","5","7","1") = "6"
    & skf21("6","1","5","2","1","6","1","1") = "5"
    & skf21("6","1","5","2","1","6","2","1") = "5"
    & skf21("6","1","5","2","1","6","3","1") = "5"
    & skf21("6","1","5","2","1","6","4","1") = "5"
    & skf21("6","1","5","2","1","6","5","1") = "5"
    & skf21("6","1","5","2","1","6","6","1") = "5"
    & skf21("6","1","5","2","1","6","7","1") = "6"
    & skf21("6","1","5","2","1","7","1","1") = "6"
    & skf21("6","1","5","2","1","7","2","1") = "6"
    & skf21("6","1","5","2","1","7","3","1") = "6"
    & skf21("6","1","5","2","1","7","4","1") = "6"
    & skf21("6","1","5","2","1","7","5","1") = "6"
    & skf21("6","1","5","2","1","7","6","1") = "6"
    & skf21("6","1","5","2","1","7","7","1") = "6"
    & skf21("6","1","5","2","2","1","1","1") = "5"
    & skf21("6","1","5","2","2","1","2","1") = "5"
    & skf21("6","1","5","2","2","1","3","1") = "5"
    & skf21("6","1","5","2","2","1","4","1") = "5"
    & skf21("6","1","5","2","2","1","5","1") = "5"
    & skf21("6","1","5","2","2","1","6","1") = "5"
    & skf21("6","1","5","2","2","1","7","1") = "6"
    & skf21("6","1","5","2","2","2","1","1") = "5"
    & skf21("6","1","5","2","2","2","2","1") = "5"
    & skf21("6","1","5","2","2","2","3","1") = "5"
    & skf21("6","1","5","2","2","2","4","1") = "5"
    & skf21("6","1","5","2","2","2","5","1") = "5"
    & skf21("6","1","5","2","2","2","6","1") = "5"
    & skf21("6","1","5","2","2","2","7","1") = "6"
    & skf21("6","1","5","2","2","3","1","1") = "5"
    & skf21("6","1","5","2","2","3","2","1") = "5"
    & skf21("6","1","5","2","2","3","3","1") = "5"
    & skf21("6","1","5","2","2","3","4","1") = "5"
    & skf21("6","1","5","2","2","3","5","1") = "5"
    & skf21("6","1","5","2","2","3","6","1") = "5"
    & skf21("6","1","5","2","2","3","7","1") = "6"
    & skf21("6","1","5","2","2","4","1","1") = "5"
    & skf21("6","1","5","2","2","4","2","1") = "5"
    & skf21("6","1","5","2","2","4","3","1") = "5"
    & skf21("6","1","5","2","2","4","4","1") = "5"
    & skf21("6","1","5","2","2","4","5","1") = "5"
    & skf21("6","1","5","2","2","4","6","1") = "5"
    & skf21("6","1","5","2","2","4","7","1") = "6"
    & skf21("6","1","5","2","2","5","1","1") = "5"
    & skf21("6","1","5","2","2","5","2","1") = "5"
    & skf21("6","1","5","2","2","5","3","1") = "5"
    & skf21("6","1","5","2","2","5","4","1") = "5"
    & skf21("6","1","5","2","2","5","5","1") = "5"
    & skf21("6","1","5","2","2","5","6","1") = "5"
    & skf21("6","1","5","2","2","5","7","1") = "6"
    & skf21("6","1","5","2","2","6","1","1") = "5"
    & skf21("6","1","5","2","2","6","2","1") = "5"
    & skf21("6","1","5","2","2","6","3","1") = "5"
    & skf21("6","1","5","2","2","6","4","1") = "5"
    & skf21("6","1","5","2","2","6","5","1") = "5"
    & skf21("6","1","5","2","2","6","6","1") = "5"
    & skf21("6","1","5","2","2","6","7","1") = "6"
    & skf21("6","1","5","2","2","7","1","1") = "6"
    & skf21("6","1","5","2","2","7","2","1") = "6"
    & skf21("6","1","5","2","2","7","3","1") = "6"
    & skf21("6","1","5","2","2","7","4","1") = "6"
    & skf21("6","1","5","2","2","7","5","1") = "6"
    & skf21("6","1","5","2","2","7","6","1") = "6"
    & skf21("6","1","5","2","2","7","7","1") = "6"
    & skf21("6","1","5","2","3","1","1","1") = "5"
    & skf21("6","1","5","2","3","1","2","1") = "5"
    & skf21("6","1","5","2","3","1","3","1") = "5"
    & skf21("6","1","5","2","3","1","4","1") = "5"
    & skf21("6","1","5","2","3","1","5","1") = "5"
    & skf21("6","1","5","2","3","1","6","1") = "5"
    & skf21("6","1","5","2","3","1","7","1") = "6"
    & skf21("6","1","5","2","3","2","1","1") = "5"
    & skf21("6","1","5","2","3","2","2","1") = "5"
    & skf21("6","1","5","2","3","2","3","1") = "5"
    & skf21("6","1","5","2","3","2","4","1") = "5"
    & skf21("6","1","5","2","3","2","5","1") = "5"
    & skf21("6","1","5","2","3","2","6","1") = "5"
    & skf21("6","1","5","2","3","2","7","1") = "6"
    & skf21("6","1","5","2","3","3","1","1") = "5"
    & skf21("6","1","5","2","3","3","2","1") = "5"
    & skf21("6","1","5","2","3","3","3","1") = "5"
    & skf21("6","1","5","2","3","3","4","1") = "5"
    & skf21("6","1","5","2","3","3","5","1") = "5"
    & skf21("6","1","5","2","3","3","6","1") = "5"
    & skf21("6","1","5","2","3","3","7","1") = "6"
    & skf21("6","1","5","2","3","4","1","1") = "5"
    & skf21("6","1","5","2","3","4","2","1") = "5"
    & skf21("6","1","5","2","3","4","3","1") = "5"
    & skf21("6","1","5","2","3","4","4","1") = "5"
    & skf21("6","1","5","2","3","4","5","1") = "5"
    & skf21("6","1","5","2","3","4","6","1") = "5"
    & skf21("6","1","5","2","3","4","7","1") = "6"
    & skf21("6","1","5","2","3","5","1","1") = "5"
    & skf21("6","1","5","2","3","5","2","1") = "5"
    & skf21("6","1","5","2","3","5","3","1") = "5"
    & skf21("6","1","5","2","3","5","4","1") = "5"
    & skf21("6","1","5","2","3","5","5","1") = "5"
    & skf21("6","1","5","2","3","5","6","1") = "5"
    & skf21("6","1","5","2","3","5","7","1") = "6"
    & skf21("6","1","5","2","3","6","1","1") = "5"
    & skf21("6","1","5","2","3","6","2","1") = "5"
    & skf21("6","1","5","2","3","6","3","1") = "5"
    & skf21("6","1","5","2","3","6","4","1") = "5"
    & skf21("6","1","5","2","3","6","5","1") = "5"
    & skf21("6","1","5","2","3","6","6","1") = "5"
    & skf21("6","1","5","2","3","6","7","1") = "6"
    & skf21("6","1","5","2","3","7","1","1") = "6"
    & skf21("6","1","5","2","3","7","2","1") = "6"
    & skf21("6","1","5","2","3","7","3","1") = "6"
    & skf21("6","1","5","2","3","7","4","1") = "6"
    & skf21("6","1","5","2","3","7","5","1") = "6"
    & skf21("6","1","5","2","3","7","6","1") = "6"
    & skf21("6","1","5","2","3","7","7","1") = "6"
    & skf21("6","1","5","2","4","1","1","1") = "5"
    & skf21("6","1","5","2","4","1","2","1") = "5"
    & skf21("6","1","5","2","4","1","3","1") = "5"
    & skf21("6","1","5","2","4","1","4","1") = "5"
    & skf21("6","1","5","2","4","1","5","1") = "5"
    & skf21("6","1","5","2","4","1","6","1") = "5"
    & skf21("6","1","5","2","4","1","7","1") = "6"
    & skf21("6","1","5","2","4","2","1","1") = "5"
    & skf21("6","1","5","2","4","2","2","1") = "5"
    & skf21("6","1","5","2","4","2","3","1") = "5"
    & skf21("6","1","5","2","4","2","4","1") = "5"
    & skf21("6","1","5","2","4","2","5","1") = "5"
    & skf21("6","1","5","2","4","2","6","1") = "5"
    & skf21("6","1","5","2","4","2","7","1") = "6"
    & skf21("6","1","5","2","4","3","1","1") = "5"
    & skf21("6","1","5","2","4","3","2","1") = "5"
    & skf21("6","1","5","2","4","3","3","1") = "5"
    & skf21("6","1","5","2","4","3","4","1") = "5"
    & skf21("6","1","5","2","4","3","5","1") = "5"
    & skf21("6","1","5","2","4","3","6","1") = "5"
    & skf21("6","1","5","2","4","3","7","1") = "6"
    & skf21("6","1","5","2","4","4","1","1") = "5"
    & skf21("6","1","5","2","4","4","2","1") = "5"
    & skf21("6","1","5","2","4","4","3","1") = "5"
    & skf21("6","1","5","2","4","4","4","1") = "5"
    & skf21("6","1","5","2","4","4","5","1") = "5"
    & skf21("6","1","5","2","4","4","6","1") = "5"
    & skf21("6","1","5","2","4","4","7","1") = "6"
    & skf21("6","1","5","2","4","5","1","1") = "5"
    & skf21("6","1","5","2","4","5","2","1") = "5"
    & skf21("6","1","5","2","4","5","3","1") = "5"
    & skf21("6","1","5","2","4","5","4","1") = "5"
    & skf21("6","1","5","2","4","5","5","1") = "5"
    & skf21("6","1","5","2","4","5","6","1") = "5"
    & skf21("6","1","5","2","4","5","7","1") = "6"
    & skf21("6","1","5","2","4","6","1","1") = "5"
    & skf21("6","1","5","2","4","6","2","1") = "5"
    & skf21("6","1","5","2","4","6","3","1") = "5"
    & skf21("6","1","5","2","4","6","4","1") = "5"
    & skf21("6","1","5","2","4","6","5","1") = "5"
    & skf21("6","1","5","2","4","6","6","1") = "5"
    & skf21("6","1","5","2","4","6","7","1") = "6"
    & skf21("6","1","5","2","4","7","1","1") = "6"
    & skf21("6","1","5","2","4","7","2","1") = "6"
    & skf21("6","1","5","2","4","7","3","1") = "6"
    & skf21("6","1","5","2","4","7","4","1") = "6"
    & skf21("6","1","5","2","4","7","5","1") = "6"
    & skf21("6","1","5","2","4","7","6","1") = "6"
    & skf21("6","1","5","2","4","7","7","1") = "6"
    & skf21("6","1","5","2","5","1","1","1") = "5"
    & skf21("6","1","5","2","5","1","2","1") = "5"
    & skf21("6","1","5","2","5","1","3","1") = "5"
    & skf21("6","1","5","2","5","1","4","1") = "5"
    & skf21("6","1","5","2","5","1","5","1") = "5"
    & skf21("6","1","5","2","5","1","6","1") = "5"
    & skf21("6","1","5","2","5","1","7","1") = "6"
    & skf21("6","1","5","2","5","2","1","1") = "5"
    & skf21("6","1","5","2","5","2","2","1") = "5"
    & skf21("6","1","5","2","5","2","3","1") = "5"
    & skf21("6","1","5","2","5","2","4","1") = "5"
    & skf21("6","1","5","2","5","2","5","1") = "5"
    & skf21("6","1","5","2","5","2","6","1") = "5"
    & skf21("6","1","5","2","5","2","7","1") = "6"
    & skf21("6","1","5","2","5","3","1","1") = "5"
    & skf21("6","1","5","2","5","3","2","1") = "5"
    & skf21("6","1","5","2","5","3","3","1") = "5"
    & skf21("6","1","5","2","5","3","4","1") = "5"
    & skf21("6","1","5","2","5","3","5","1") = "5"
    & skf21("6","1","5","2","5","3","6","1") = "5"
    & skf21("6","1","5","2","5","3","7","1") = "6"
    & skf21("6","1","5","2","5","4","1","1") = "5"
    & skf21("6","1","5","2","5","4","2","1") = "5"
    & skf21("6","1","5","2","5","4","3","1") = "5"
    & skf21("6","1","5","2","5","4","4","1") = "5"
    & skf21("6","1","5","2","5","4","5","1") = "5"
    & skf21("6","1","5","2","5","4","6","1") = "5"
    & skf21("6","1","5","2","5","4","7","1") = "6"
    & skf21("6","1","5","2","5","5","1","1") = "5"
    & skf21("6","1","5","2","5","5","2","1") = "5"
    & skf21("6","1","5","2","5","5","3","1") = "5"
    & skf21("6","1","5","2","5","5","4","1") = "5"
    & skf21("6","1","5","2","5","5","5","1") = "5"
    & skf21("6","1","5","2","5","5","6","1") = "5"
    & skf21("6","1","5","2","5","5","7","1") = "6"
    & skf21("6","1","5","2","5","6","1","1") = "5"
    & skf21("6","1","5","2","5","6","2","1") = "5"
    & skf21("6","1","5","2","5","6","3","1") = "5"
    & skf21("6","1","5","2","5","6","4","1") = "5"
    & skf21("6","1","5","2","5","6","5","1") = "5"
    & skf21("6","1","5","2","5","6","6","1") = "5"
    & skf21("6","1","5","2","5","6","7","1") = "6"
    & skf21("6","1","5","2","5","7","1","1") = "6"
    & skf21("6","1","5","2","5","7","2","1") = "6"
    & skf21("6","1","5","2","5","7","3","1") = "6"
    & skf21("6","1","5","2","5","7","4","1") = "6"
    & skf21("6","1","5","2","5","7","5","1") = "6"
    & skf21("6","1","5","2","5","7","6","1") = "6"
    & skf21("6","1","5","2","5","7","7","1") = "6"
    & skf21("6","1","5","2","6","1","1","1") = "5"
    & skf21("6","1","5","2","6","1","2","1") = "5"
    & skf21("6","1","5","2","6","1","3","1") = "5"
    & skf21("6","1","5","2","6","1","4","1") = "5"
    & skf21("6","1","5","2","6","1","5","1") = "5"
    & skf21("6","1","5","2","6","1","6","1") = "5"
    & skf21("6","1","5","2","6","1","7","1") = "6"
    & skf21("6","1","5","2","6","2","1","1") = "5"
    & skf21("6","1","5","2","6","2","2","1") = "5"
    & skf21("6","1","5","2","6","2","3","1") = "5"
    & skf21("6","1","5","2","6","2","4","1") = "5"
    & skf21("6","1","5","2","6","2","5","1") = "5"
    & skf21("6","1","5","2","6","2","6","1") = "5"
    & skf21("6","1","5","2","6","2","7","1") = "6"
    & skf21("6","1","5","2","6","3","1","1") = "5"
    & skf21("6","1","5","2","6","3","2","1") = "5"
    & skf21("6","1","5","2","6","3","3","1") = "5"
    & skf21("6","1","5","2","6","3","4","1") = "5"
    & skf21("6","1","5","2","6","3","5","1") = "5"
    & skf21("6","1","5","2","6","3","6","1") = "5"
    & skf21("6","1","5","2","6","3","7","1") = "6"
    & skf21("6","1","5","2","6","4","1","1") = "5"
    & skf21("6","1","5","2","6","4","2","1") = "5"
    & skf21("6","1","5","2","6","4","3","1") = "5"
    & skf21("6","1","5","2","6","4","4","1") = "5"
    & skf21("6","1","5","2","6","4","5","1") = "5"
    & skf21("6","1","5","2","6","4","6","1") = "5"
    & skf21("6","1","5","2","6","4","7","1") = "6"
    & skf21("6","1","5","2","6","5","1","1") = "5"
    & skf21("6","1","5","2","6","5","2","1") = "5"
    & skf21("6","1","5","2","6","5","3","1") = "5"
    & skf21("6","1","5","2","6","5","4","1") = "5"
    & skf21("6","1","5","2","6","5","5","1") = "5"
    & skf21("6","1","5","2","6","5","6","1") = "5"
    & skf21("6","1","5","2","6","5","7","1") = "6"
    & skf21("6","1","5","2","6","6","1","1") = "5"
    & skf21("6","1","5","2","6","6","2","1") = "5"
    & skf21("6","1","5","2","6","6","3","1") = "5"
    & skf21("6","1","5","2","6","6","4","1") = "5"
    & skf21("6","1","5","2","6","6","5","1") = "5"
    & skf21("6","1","5","2","6","6","6","1") = "5"
    & skf21("6","1","5","2","6","6","7","1") = "6"
    & skf21("6","1","5","2","6","7","1","1") = "6"
    & skf21("6","1","5","2","6","7","2","1") = "6"
    & skf21("6","1","5","2","6","7","3","1") = "6"
    & skf21("6","1","5","2","6","7","4","1") = "6"
    & skf21("6","1","5","2","6","7","5","1") = "6"
    & skf21("6","1","5","2","6","7","6","1") = "6"
    & skf21("6","1","5","2","6","7","7","1") = "6"
    & skf21("6","1","5","2","7","1","1","1") = "6"
    & skf21("6","1","5","2","7","1","2","1") = "6"
    & skf21("6","1","5","2","7","1","3","1") = "6"
    & skf21("6","1","5","2","7","1","4","1") = "6"
    & skf21("6","1","5","2","7","1","5","1") = "6"
    & skf21("6","1","5","2","7","1","6","1") = "6"
    & skf21("6","1","5","2","7","1","7","1") = "6"
    & skf21("6","1","5","2","7","2","1","1") = "6"
    & skf21("6","1","5","2","7","2","2","1") = "6"
    & skf21("6","1","5","2","7","2","3","1") = "6"
    & skf21("6","1","5","2","7","2","4","1") = "6"
    & skf21("6","1","5","2","7","2","5","1") = "6"
    & skf21("6","1","5","2","7","2","6","1") = "6"
    & skf21("6","1","5","2","7","2","7","1") = "6"
    & skf21("6","1","5","2","7","3","1","1") = "6"
    & skf21("6","1","5","2","7","3","2","1") = "6"
    & skf21("6","1","5","2","7","3","3","1") = "6"
    & skf21("6","1","5","2","7","3","4","1") = "6"
    & skf21("6","1","5","2","7","3","5","1") = "6"
    & skf21("6","1","5","2","7","3","6","1") = "6"
    & skf21("6","1","5","2","7","3","7","1") = "6"
    & skf21("6","1","5","2","7","4","1","1") = "6"
    & skf21("6","1","5","2","7","4","2","1") = "6"
    & skf21("6","1","5","2","7","4","3","1") = "6"
    & skf21("6","1","5","2","7","4","4","1") = "6"
    & skf21("6","1","5","2","7","4","5","1") = "6"
    & skf21("6","1","5","2","7","4","6","1") = "6"
    & skf21("6","1","5","2","7","4","7","1") = "6"
    & skf21("6","1","5","2","7","5","1","1") = "6"
    & skf21("6","1","5","2","7","5","2","1") = "6"
    & skf21("6","1","5","2","7","5","3","1") = "6"
    & skf21("6","1","5","2","7","5","4","1") = "6"
    & skf21("6","1","5","2","7","5","5","1") = "6"
    & skf21("6","1","5","2","7","5","6","1") = "6"
    & skf21("6","1","5","2","7","5","7","1") = "6"
    & skf21("6","1","5","2","7","6","1","1") = "6"
    & skf21("6","1","5","2","7","6","2","1") = "6"
    & skf21("6","1","5","2","7","6","3","1") = "6"
    & skf21("6","1","5","2","7","6","4","1") = "6"
    & skf21("6","1","5","2","7","6","5","1") = "6"
    & skf21("6","1","5","2","7","6","6","1") = "6"
    & skf21("6","1","5","2","7","6","7","1") = "6"
    & skf21("6","1","5","2","7","7","1","1") = "6"
    & skf21("6","1","5","2","7","7","2","1") = "6"
    & skf21("6","1","5","2","7","7","3","1") = "6"
    & skf21("6","1","5","2","7","7","4","1") = "6"
    & skf21("6","1","5","2","7","7","5","1") = "6"
    & skf21("6","1","5","2","7","7","6","1") = "6"
    & skf21("6","1","5","2","7","7","7","1") = "6"
    & skf21("6","1","5","3","1","1","1","1") = "5"
    & skf21("6","1","5","3","1","1","2","1") = "5"
    & skf21("6","1","5","3","1","1","3","1") = "5"
    & skf21("6","1","5","3","1","1","4","1") = "5"
    & skf21("6","1","5","3","1","1","5","1") = "5"
    & skf21("6","1","5","3","1","1","6","1") = "5"
    & skf21("6","1","5","3","1","1","7","1") = "6"
    & skf21("6","1","5","3","1","2","1","1") = "5"
    & skf21("6","1","5","3","1","2","2","1") = "5"
    & skf21("6","1","5","3","1","2","3","1") = "5"
    & skf21("6","1","5","3","1","2","4","1") = "5"
    & skf21("6","1","5","3","1","2","5","1") = "5"
    & skf21("6","1","5","3","1","2","6","1") = "5"
    & skf21("6","1","5","3","1","2","7","1") = "6"
    & skf21("6","1","5","3","1","3","1","1") = "5"
    & skf21("6","1","5","3","1","3","2","1") = "5"
    & skf21("6","1","5","3","1","3","3","1") = "5"
    & skf21("6","1","5","3","1","3","4","1") = "5"
    & skf21("6","1","5","3","1","3","5","1") = "5"
    & skf21("6","1","5","3","1","3","6","1") = "5"
    & skf21("6","1","5","3","1","3","7","1") = "6"
    & skf21("6","1","5","3","1","4","1","1") = "5"
    & skf21("6","1","5","3","1","4","2","1") = "5"
    & skf21("6","1","5","3","1","4","3","1") = "5"
    & skf21("6","1","5","3","1","4","4","1") = "5"
    & skf21("6","1","5","3","1","4","5","1") = "5"
    & skf21("6","1","5","3","1","4","6","1") = "5"
    & skf21("6","1","5","3","1","4","7","1") = "6"
    & skf21("6","1","5","3","1","5","1","1") = "5"
    & skf21("6","1","5","3","1","5","2","1") = "5"
    & skf21("6","1","5","3","1","5","3","1") = "5"
    & skf21("6","1","5","3","1","5","4","1") = "5"
    & skf21("6","1","5","3","1","5","5","1") = "5"
    & skf21("6","1","5","3","1","5","6","1") = "5"
    & skf21("6","1","5","3","1","5","7","1") = "6"
    & skf21("6","1","5","3","1","6","1","1") = "5"
    & skf21("6","1","5","3","1","6","2","1") = "5"
    & skf21("6","1","5","3","1","6","3","1") = "5"
    & skf21("6","1","5","3","1","6","4","1") = "5"
    & skf21("6","1","5","3","1","6","5","1") = "5"
    & skf21("6","1","5","3","1","6","6","1") = "5"
    & skf21("6","1","5","3","1","6","7","1") = "6"
    & skf21("6","1","5","3","1","7","1","1") = "6"
    & skf21("6","1","5","3","1","7","2","1") = "6"
    & skf21("6","1","5","3","1","7","3","1") = "6"
    & skf21("6","1","5","3","1","7","4","1") = "6"
    & skf21("6","1","5","3","1","7","5","1") = "6"
    & skf21("6","1","5","3","1","7","6","1") = "6"
    & skf21("6","1","5","3","1","7","7","1") = "6"
    & skf21("6","1","5","3","2","1","1","1") = "5"
    & skf21("6","1","5","3","2","1","2","1") = "5"
    & skf21("6","1","5","3","2","1","3","1") = "5"
    & skf21("6","1","5","3","2","1","4","1") = "5"
    & skf21("6","1","5","3","2","1","5","1") = "5"
    & skf21("6","1","5","3","2","1","6","1") = "5"
    & skf21("6","1","5","3","2","1","7","1") = "6"
    & skf21("6","1","5","3","2","2","1","1") = "5"
    & skf21("6","1","5","3","2","2","2","1") = "5"
    & skf21("6","1","5","3","2","2","3","1") = "5"
    & skf21("6","1","5","3","2","2","4","1") = "5"
    & skf21("6","1","5","3","2","2","5","1") = "5"
    & skf21("6","1","5","3","2","2","6","1") = "5"
    & skf21("6","1","5","3","2","2","7","1") = "6"
    & skf21("6","1","5","3","2","3","1","1") = "5"
    & skf21("6","1","5","3","2","3","2","1") = "5"
    & skf21("6","1","5","3","2","3","3","1") = "5"
    & skf21("6","1","5","3","2","3","4","1") = "5"
    & skf21("6","1","5","3","2","3","5","1") = "5"
    & skf21("6","1","5","3","2","3","6","1") = "5"
    & skf21("6","1","5","3","2","3","7","1") = "6"
    & skf21("6","1","5","3","2","4","1","1") = "5"
    & skf21("6","1","5","3","2","4","2","1") = "5"
    & skf21("6","1","5","3","2","4","3","1") = "5"
    & skf21("6","1","5","3","2","4","4","1") = "5"
    & skf21("6","1","5","3","2","4","5","1") = "5"
    & skf21("6","1","5","3","2","4","6","1") = "5"
    & skf21("6","1","5","3","2","4","7","1") = "6"
    & skf21("6","1","5","3","2","5","1","1") = "5"
    & skf21("6","1","5","3","2","5","2","1") = "5"
    & skf21("6","1","5","3","2","5","3","1") = "5"
    & skf21("6","1","5","3","2","5","4","1") = "5"
    & skf21("6","1","5","3","2","5","5","1") = "5"
    & skf21("6","1","5","3","2","5","6","1") = "5"
    & skf21("6","1","5","3","2","5","7","1") = "6"
    & skf21("6","1","5","3","2","6","1","1") = "5"
    & skf21("6","1","5","3","2","6","2","1") = "5"
    & skf21("6","1","5","3","2","6","3","1") = "5"
    & skf21("6","1","5","3","2","6","4","1") = "5"
    & skf21("6","1","5","3","2","6","5","1") = "5"
    & skf21("6","1","5","3","2","6","6","1") = "5"
    & skf21("6","1","5","3","2","6","7","1") = "6"
    & skf21("6","1","5","3","2","7","1","1") = "6"
    & skf21("6","1","5","3","2","7","2","1") = "6"
    & skf21("6","1","5","3","2","7","3","1") = "6"
    & skf21("6","1","5","3","2","7","4","1") = "6"
    & skf21("6","1","5","3","2","7","5","1") = "6"
    & skf21("6","1","5","3","2","7","6","1") = "6"
    & skf21("6","1","5","3","2","7","7","1") = "6"
    & skf21("6","1","5","3","3","1","1","1") = "5"
    & skf21("6","1","5","3","3","1","2","1") = "5"
    & skf21("6","1","5","3","3","1","3","1") = "5"
    & skf21("6","1","5","3","3","1","4","1") = "5"
    & skf21("6","1","5","3","3","1","5","1") = "5"
    & skf21("6","1","5","3","3","1","6","1") = "5"
    & skf21("6","1","5","3","3","1","7","1") = "6"
    & skf21("6","1","5","3","3","2","1","1") = "5"
    & skf21("6","1","5","3","3","2","2","1") = "5"
    & skf21("6","1","5","3","3","2","3","1") = "5"
    & skf21("6","1","5","3","3","2","4","1") = "5"
    & skf21("6","1","5","3","3","2","5","1") = "5"
    & skf21("6","1","5","3","3","2","6","1") = "5"
    & skf21("6","1","5","3","3","2","7","1") = "6"
    & skf21("6","1","5","3","3","3","1","1") = "5"
    & skf21("6","1","5","3","3","3","2","1") = "5"
    & skf21("6","1","5","3","3","3","3","1") = "5"
    & skf21("6","1","5","3","3","3","4","1") = "5"
    & skf21("6","1","5","3","3","3","5","1") = "5"
    & skf21("6","1","5","3","3","3","6","1") = "5"
    & skf21("6","1","5","3","3","3","7","1") = "6"
    & skf21("6","1","5","3","3","4","1","1") = "5"
    & skf21("6","1","5","3","3","4","2","1") = "5"
    & skf21("6","1","5","3","3","4","3","1") = "5"
    & skf21("6","1","5","3","3","4","4","1") = "5"
    & skf21("6","1","5","3","3","4","5","1") = "5"
    & skf21("6","1","5","3","3","4","6","1") = "5"
    & skf21("6","1","5","3","3","4","7","1") = "6"
    & skf21("6","1","5","3","3","5","1","1") = "5"
    & skf21("6","1","5","3","3","5","2","1") = "5"
    & skf21("6","1","5","3","3","5","3","1") = "5"
    & skf21("6","1","5","3","3","5","4","1") = "5"
    & skf21("6","1","5","3","3","5","5","1") = "5"
    & skf21("6","1","5","3","3","5","6","1") = "5"
    & skf21("6","1","5","3","3","5","7","1") = "6"
    & skf21("6","1","5","3","3","6","1","1") = "5"
    & skf21("6","1","5","3","3","6","2","1") = "5"
    & skf21("6","1","5","3","3","6","3","1") = "5"
    & skf21("6","1","5","3","3","6","4","1") = "5"
    & skf21("6","1","5","3","3","6","5","1") = "5"
    & skf21("6","1","5","3","3","6","6","1") = "5"
    & skf21("6","1","5","3","3","6","7","1") = "6"
    & skf21("6","1","5","3","3","7","1","1") = "6"
    & skf21("6","1","5","3","3","7","2","1") = "6"
    & skf21("6","1","5","3","3","7","3","1") = "6"
    & skf21("6","1","5","3","3","7","4","1") = "6"
    & skf21("6","1","5","3","3","7","5","1") = "6"
    & skf21("6","1","5","3","3","7","6","1") = "6"
    & skf21("6","1","5","3","3","7","7","1") = "6"
    & skf21("6","1","5","3","4","1","1","1") = "5"
    & skf21("6","1","5","3","4","1","2","1") = "5"
    & skf21("6","1","5","3","4","1","3","1") = "5"
    & skf21("6","1","5","3","4","1","4","1") = "5"
    & skf21("6","1","5","3","4","1","5","1") = "5"
    & skf21("6","1","5","3","4","1","6","1") = "5"
    & skf21("6","1","5","3","4","1","7","1") = "6"
    & skf21("6","1","5","3","4","2","1","1") = "5"
    & skf21("6","1","5","3","4","2","2","1") = "5"
    & skf21("6","1","5","3","4","2","3","1") = "5"
    & skf21("6","1","5","3","4","2","4","1") = "5"
    & skf21("6","1","5","3","4","2","5","1") = "5"
    & skf21("6","1","5","3","4","2","6","1") = "5"
    & skf21("6","1","5","3","4","2","7","1") = "6"
    & skf21("6","1","5","3","4","3","1","1") = "5"
    & skf21("6","1","5","3","4","3","2","1") = "5"
    & skf21("6","1","5","3","4","3","3","1") = "5"
    & skf21("6","1","5","3","4","3","4","1") = "5"
    & skf21("6","1","5","3","4","3","5","1") = "5"
    & skf21("6","1","5","3","4","3","6","1") = "5"
    & skf21("6","1","5","3","4","3","7","1") = "6"
    & skf21("6","1","5","3","4","4","1","1") = "5"
    & skf21("6","1","5","3","4","4","2","1") = "5"
    & skf21("6","1","5","3","4","4","3","1") = "5"
    & skf21("6","1","5","3","4","4","4","1") = "5"
    & skf21("6","1","5","3","4","4","5","1") = "5"
    & skf21("6","1","5","3","4","4","6","1") = "5"
    & skf21("6","1","5","3","4","4","7","1") = "6"
    & skf21("6","1","5","3","4","5","1","1") = "5"
    & skf21("6","1","5","3","4","5","2","1") = "5"
    & skf21("6","1","5","3","4","5","3","1") = "5"
    & skf21("6","1","5","3","4","5","4","1") = "5"
    & skf21("6","1","5","3","4","5","5","1") = "5"
    & skf21("6","1","5","3","4","5","6","1") = "5"
    & skf21("6","1","5","3","4","5","7","1") = "6"
    & skf21("6","1","5","3","4","6","1","1") = "5"
    & skf21("6","1","5","3","4","6","2","1") = "5"
    & skf21("6","1","5","3","4","6","3","1") = "5"
    & skf21("6","1","5","3","4","6","4","1") = "5"
    & skf21("6","1","5","3","4","6","5","1") = "5"
    & skf21("6","1","5","3","4","6","6","1") = "5"
    & skf21("6","1","5","3","4","6","7","1") = "6"
    & skf21("6","1","5","3","4","7","1","1") = "6"
    & skf21("6","1","5","3","4","7","2","1") = "6"
    & skf21("6","1","5","3","4","7","3","1") = "6"
    & skf21("6","1","5","3","4","7","4","1") = "6"
    & skf21("6","1","5","3","4","7","5","1") = "6"
    & skf21("6","1","5","3","4","7","6","1") = "6"
    & skf21("6","1","5","3","4","7","7","1") = "6"
    & skf21("6","1","5","3","5","1","1","1") = "5"
    & skf21("6","1","5","3","5","1","2","1") = "5"
    & skf21("6","1","5","3","5","1","3","1") = "5"
    & skf21("6","1","5","3","5","1","4","1") = "5"
    & skf21("6","1","5","3","5","1","5","1") = "5"
    & skf21("6","1","5","3","5","1","6","1") = "5"
    & skf21("6","1","5","3","5","1","7","1") = "6"
    & skf21("6","1","5","3","5","2","1","1") = "5"
    & skf21("6","1","5","3","5","2","2","1") = "5"
    & skf21("6","1","5","3","5","2","3","1") = "5"
    & skf21("6","1","5","3","5","2","4","1") = "5"
    & skf21("6","1","5","3","5","2","5","1") = "5"
    & skf21("6","1","5","3","5","2","6","1") = "5"
    & skf21("6","1","5","3","5","2","7","1") = "6"
    & skf21("6","1","5","3","5","3","1","1") = "5"
    & skf21("6","1","5","3","5","3","2","1") = "5"
    & skf21("6","1","5","3","5","3","3","1") = "5"
    & skf21("6","1","5","3","5","3","4","1") = "5"
    & skf21("6","1","5","3","5","3","5","1") = "5"
    & skf21("6","1","5","3","5","3","6","1") = "5"
    & skf21("6","1","5","3","5","3","7","1") = "6"
    & skf21("6","1","5","3","5","4","1","1") = "5"
    & skf21("6","1","5","3","5","4","2","1") = "5"
    & skf21("6","1","5","3","5","4","3","1") = "5"
    & skf21("6","1","5","3","5","4","4","1") = "5"
    & skf21("6","1","5","3","5","4","5","1") = "5"
    & skf21("6","1","5","3","5","4","6","1") = "5"
    & skf21("6","1","5","3","5","4","7","1") = "6"
    & skf21("6","1","5","3","5","5","1","1") = "5"
    & skf21("6","1","5","3","5","5","2","1") = "5"
    & skf21("6","1","5","3","5","5","3","1") = "5"
    & skf21("6","1","5","3","5","5","4","1") = "5"
    & skf21("6","1","5","3","5","5","5","1") = "5"
    & skf21("6","1","5","3","5","5","6","1") = "5"
    & skf21("6","1","5","3","5","5","7","1") = "6"
    & skf21("6","1","5","3","5","6","1","1") = "5"
    & skf21("6","1","5","3","5","6","2","1") = "5"
    & skf21("6","1","5","3","5","6","3","1") = "5"
    & skf21("6","1","5","3","5","6","4","1") = "5"
    & skf21("6","1","5","3","5","6","5","1") = "5"
    & skf21("6","1","5","3","5","6","6","1") = "5"
    & skf21("6","1","5","3","5","6","7","1") = "6"
    & skf21("6","1","5","3","5","7","1","1") = "6"
    & skf21("6","1","5","3","5","7","2","1") = "6"
    & skf21("6","1","5","3","5","7","3","1") = "6"
    & skf21("6","1","5","3","5","7","4","1") = "6"
    & skf21("6","1","5","3","5","7","5","1") = "6"
    & skf21("6","1","5","3","5","7","6","1") = "6"
    & skf21("6","1","5","3","5","7","7","1") = "6"
    & skf21("6","1","5","3","6","1","1","1") = "5"
    & skf21("6","1","5","3","6","1","2","1") = "5"
    & skf21("6","1","5","3","6","1","3","1") = "5"
    & skf21("6","1","5","3","6","1","4","1") = "5"
    & skf21("6","1","5","3","6","1","5","1") = "5"
    & skf21("6","1","5","3","6","1","6","1") = "5"
    & skf21("6","1","5","3","6","1","7","1") = "6"
    & skf21("6","1","5","3","6","2","1","1") = "5"
    & skf21("6","1","5","3","6","2","2","1") = "5"
    & skf21("6","1","5","3","6","2","3","1") = "5"
    & skf21("6","1","5","3","6","2","4","1") = "5"
    & skf21("6","1","5","3","6","2","5","1") = "5"
    & skf21("6","1","5","3","6","2","6","1") = "5"
    & skf21("6","1","5","3","6","2","7","1") = "6"
    & skf21("6","1","5","3","6","3","1","1") = "5"
    & skf21("6","1","5","3","6","3","2","1") = "5"
    & skf21("6","1","5","3","6","3","3","1") = "5"
    & skf21("6","1","5","3","6","3","4","1") = "5"
    & skf21("6","1","5","3","6","3","5","1") = "5"
    & skf21("6","1","5","3","6","3","6","1") = "5"
    & skf21("6","1","5","3","6","3","7","1") = "6"
    & skf21("6","1","5","3","6","4","1","1") = "5"
    & skf21("6","1","5","3","6","4","2","1") = "5"
    & skf21("6","1","5","3","6","4","3","1") = "5"
    & skf21("6","1","5","3","6","4","4","1") = "5"
    & skf21("6","1","5","3","6","4","5","1") = "5"
    & skf21("6","1","5","3","6","4","6","1") = "5"
    & skf21("6","1","5","3","6","4","7","1") = "6"
    & skf21("6","1","5","3","6","5","1","1") = "5"
    & skf21("6","1","5","3","6","5","2","1") = "5"
    & skf21("6","1","5","3","6","5","3","1") = "5"
    & skf21("6","1","5","3","6","5","4","1") = "5"
    & skf21("6","1","5","3","6","5","5","1") = "5"
    & skf21("6","1","5","3","6","5","6","1") = "5"
    & skf21("6","1","5","3","6","5","7","1") = "6"
    & skf21("6","1","5","3","6","6","1","1") = "5"
    & skf21("6","1","5","3","6","6","2","1") = "5"
    & skf21("6","1","5","3","6","6","3","1") = "5"
    & skf21("6","1","5","3","6","6","4","1") = "5"
    & skf21("6","1","5","3","6","6","5","1") = "5"
    & skf21("6","1","5","3","6","6","6","1") = "5"
    & skf21("6","1","5","3","6","6","7","1") = "6"
    & skf21("6","1","5","3","6","7","1","1") = "6"
    & skf21("6","1","5","3","6","7","2","1") = "6"
    & skf21("6","1","5","3","6","7","3","1") = "6"
    & skf21("6","1","5","3","6","7","4","1") = "6"
    & skf21("6","1","5","3","6","7","5","1") = "6"
    & skf21("6","1","5","3","6","7","6","1") = "6"
    & skf21("6","1","5","3","6","7","7","1") = "6"
    & skf21("6","1","5","3","7","1","1","1") = "6"
    & skf21("6","1","5","3","7","1","2","1") = "6"
    & skf21("6","1","5","3","7","1","3","1") = "6"
    & skf21("6","1","5","3","7","1","4","1") = "6"
    & skf21("6","1","5","3","7","1","5","1") = "6"
    & skf21("6","1","5","3","7","1","6","1") = "6"
    & skf21("6","1","5","3","7","1","7","1") = "6"
    & skf21("6","1","5","3","7","2","1","1") = "6"
    & skf21("6","1","5","3","7","2","2","1") = "6"
    & skf21("6","1","5","3","7","2","3","1") = "6"
    & skf21("6","1","5","3","7","2","4","1") = "6"
    & skf21("6","1","5","3","7","2","5","1") = "6"
    & skf21("6","1","5","3","7","2","6","1") = "6"
    & skf21("6","1","5","3","7","2","7","1") = "6"
    & skf21("6","1","5","3","7","3","1","1") = "6"
    & skf21("6","1","5","3","7","3","2","1") = "6"
    & skf21("6","1","5","3","7","3","3","1") = "6"
    & skf21("6","1","5","3","7","3","4","1") = "6"
    & skf21("6","1","5","3","7","3","5","1") = "6"
    & skf21("6","1","5","3","7","3","6","1") = "6"
    & skf21("6","1","5","3","7","3","7","1") = "6"
    & skf21("6","1","5","3","7","4","1","1") = "6"
    & skf21("6","1","5","3","7","4","2","1") = "6"
    & skf21("6","1","5","3","7","4","3","1") = "6"
    & skf21("6","1","5","3","7","4","4","1") = "6"
    & skf21("6","1","5","3","7","4","5","1") = "6"
    & skf21("6","1","5","3","7","4","6","1") = "6"
    & skf21("6","1","5","3","7","4","7","1") = "6"
    & skf21("6","1","5","3","7","5","1","1") = "6"
    & skf21("6","1","5","3","7","5","2","1") = "6"
    & skf21("6","1","5","3","7","5","3","1") = "6"
    & skf21("6","1","5","3","7","5","4","1") = "6"
    & skf21("6","1","5","3","7","5","5","1") = "6"
    & skf21("6","1","5","3","7","5","6","1") = "6"
    & skf21("6","1","5","3","7","5","7","1") = "6"
    & skf21("6","1","5","3","7","6","1","1") = "6"
    & skf21("6","1","5","3","7","6","2","1") = "6"
    & skf21("6","1","5","3","7","6","3","1") = "6"
    & skf21("6","1","5","3","7","6","4","1") = "6"
    & skf21("6","1","5","3","7","6","5","1") = "6"
    & skf21("6","1","5","3","7","6","6","1") = "6"
    & skf21("6","1","5","3","7","6","7","1") = "6"
    & skf21("6","1","5","3","7","7","1","1") = "6"
    & skf21("6","1","5","3","7","7","2","1") = "6"
    & skf21("6","1","5","3","7","7","3","1") = "6"
    & skf21("6","1","5","3","7","7","4","1") = "6"
    & skf21("6","1","5","3","7","7","5","1") = "6"
    & skf21("6","1","5","3","7","7","6","1") = "6"
    & skf21("6","1","5","3","7","7","7","1") = "6"
    & skf21("6","1","5","4","1","1","1","1") = "5"
    & skf21("6","1","5","4","1","1","2","1") = "5"
    & skf21("6","1","5","4","1","1","3","1") = "5"
    & skf21("6","1","5","4","1","1","4","1") = "5"
    & skf21("6","1","5","4","1","1","5","1") = "5"
    & skf21("6","1","5","4","1","1","6","1") = "5"
    & skf21("6","1","5","4","1","1","7","1") = "6"
    & skf21("6","1","5","4","1","2","1","1") = "5"
    & skf21("6","1","5","4","1","2","2","1") = "5"
    & skf21("6","1","5","4","1","2","3","1") = "5"
    & skf21("6","1","5","4","1","2","4","1") = "5"
    & skf21("6","1","5","4","1","2","5","1") = "5"
    & skf21("6","1","5","4","1","2","6","1") = "5"
    & skf21("6","1","5","4","1","2","7","1") = "6"
    & skf21("6","1","5","4","1","3","1","1") = "5"
    & skf21("6","1","5","4","1","3","2","1") = "5"
    & skf21("6","1","5","4","1","3","3","1") = "5"
    & skf21("6","1","5","4","1","3","4","1") = "5"
    & skf21("6","1","5","4","1","3","5","1") = "5"
    & skf21("6","1","5","4","1","3","6","1") = "5"
    & skf21("6","1","5","4","1","3","7","1") = "6"
    & skf21("6","1","5","4","1","4","1","1") = "5"
    & skf21("6","1","5","4","1","4","2","1") = "5"
    & skf21("6","1","5","4","1","4","3","1") = "5"
    & skf21("6","1","5","4","1","4","4","1") = "5"
    & skf21("6","1","5","4","1","4","5","1") = "5"
    & skf21("6","1","5","4","1","4","6","1") = "5"
    & skf21("6","1","5","4","1","4","7","1") = "6"
    & skf21("6","1","5","4","1","5","1","1") = "5"
    & skf21("6","1","5","4","1","5","2","1") = "5"
    & skf21("6","1","5","4","1","5","3","1") = "5"
    & skf21("6","1","5","4","1","5","4","1") = "5"
    & skf21("6","1","5","4","1","5","5","1") = "5"
    & skf21("6","1","5","4","1","5","6","1") = "5"
    & skf21("6","1","5","4","1","5","7","1") = "6"
    & skf21("6","1","5","4","1","6","1","1") = "5"
    & skf21("6","1","5","4","1","6","2","1") = "5"
    & skf21("6","1","5","4","1","6","3","1") = "5"
    & skf21("6","1","5","4","1","6","4","1") = "5"
    & skf21("6","1","5","4","1","6","5","1") = "5"
    & skf21("6","1","5","4","1","6","6","1") = "5"
    & skf21("6","1","5","4","1","6","7","1") = "6"
    & skf21("6","1","5","4","1","7","1","1") = "6"
    & skf21("6","1","5","4","1","7","2","1") = "6"
    & skf21("6","1","5","4","1","7","3","1") = "6"
    & skf21("6","1","5","4","1","7","4","1") = "6"
    & skf21("6","1","5","4","1","7","5","1") = "6"
    & skf21("6","1","5","4","1","7","6","1") = "6"
    & skf21("6","1","5","4","1","7","7","1") = "6"
    & skf21("6","1","5","4","2","1","1","1") = "5"
    & skf21("6","1","5","4","2","1","2","1") = "5"
    & skf21("6","1","5","4","2","1","3","1") = "5"
    & skf21("6","1","5","4","2","1","4","1") = "5"
    & skf21("6","1","5","4","2","1","5","1") = "5"
    & skf21("6","1","5","4","2","1","6","1") = "5"
    & skf21("6","1","5","4","2","1","7","1") = "6"
    & skf21("6","1","5","4","2","2","1","1") = "5"
    & skf21("6","1","5","4","2","2","2","1") = "5"
    & skf21("6","1","5","4","2","2","3","1") = "5"
    & skf21("6","1","5","4","2","2","4","1") = "5"
    & skf21("6","1","5","4","2","2","5","1") = "5"
    & skf21("6","1","5","4","2","2","6","1") = "5"
    & skf21("6","1","5","4","2","2","7","1") = "6"
    & skf21("6","1","5","4","2","3","1","1") = "5"
    & skf21("6","1","5","4","2","3","2","1") = "5"
    & skf21("6","1","5","4","2","3","3","1") = "5"
    & skf21("6","1","5","4","2","3","4","1") = "5"
    & skf21("6","1","5","4","2","3","5","1") = "5"
    & skf21("6","1","5","4","2","3","6","1") = "5"
    & skf21("6","1","5","4","2","3","7","1") = "6"
    & skf21("6","1","5","4","2","4","1","1") = "5"
    & skf21("6","1","5","4","2","4","2","1") = "5"
    & skf21("6","1","5","4","2","4","3","1") = "5"
    & skf21("6","1","5","4","2","4","4","1") = "5"
    & skf21("6","1","5","4","2","4","5","1") = "5"
    & skf21("6","1","5","4","2","4","6","1") = "5"
    & skf21("6","1","5","4","2","4","7","1") = "6"
    & skf21("6","1","5","4","2","5","1","1") = "5"
    & skf21("6","1","5","4","2","5","2","1") = "5"
    & skf21("6","1","5","4","2","5","3","1") = "5"
    & skf21("6","1","5","4","2","5","4","1") = "5"
    & skf21("6","1","5","4","2","5","5","1") = "5"
    & skf21("6","1","5","4","2","5","6","1") = "5"
    & skf21("6","1","5","4","2","5","7","1") = "6"
    & skf21("6","1","5","4","2","6","1","1") = "5"
    & skf21("6","1","5","4","2","6","2","1") = "5"
    & skf21("6","1","5","4","2","6","3","1") = "5"
    & skf21("6","1","5","4","2","6","4","1") = "5"
    & skf21("6","1","5","4","2","6","5","1") = "5"
    & skf21("6","1","5","4","2","6","6","1") = "5"
    & skf21("6","1","5","4","2","6","7","1") = "6"
    & skf21("6","1","5","4","2","7","1","1") = "6"
    & skf21("6","1","5","4","2","7","2","1") = "6"
    & skf21("6","1","5","4","2","7","3","1") = "6"
    & skf21("6","1","5","4","2","7","4","1") = "6"
    & skf21("6","1","5","4","2","7","5","1") = "6"
    & skf21("6","1","5","4","2","7","6","1") = "6"
    & skf21("6","1","5","4","2","7","7","1") = "6"
    & skf21("6","1","5","4","3","1","1","1") = "5"
    & skf21("6","1","5","4","3","1","2","1") = "5"
    & skf21("6","1","5","4","3","1","3","1") = "5"
    & skf21("6","1","5","4","3","1","4","1") = "5"
    & skf21("6","1","5","4","3","1","5","1") = "5"
    & skf21("6","1","5","4","3","1","6","1") = "5"
    & skf21("6","1","5","4","3","1","7","1") = "6"
    & skf21("6","1","5","4","3","2","1","1") = "5"
    & skf21("6","1","5","4","3","2","2","1") = "5"
    & skf21("6","1","5","4","3","2","3","1") = "5"
    & skf21("6","1","5","4","3","2","4","1") = "5"
    & skf21("6","1","5","4","3","2","5","1") = "5"
    & skf21("6","1","5","4","3","2","6","1") = "5"
    & skf21("6","1","5","4","3","2","7","1") = "6"
    & skf21("6","1","5","4","3","3","1","1") = "5"
    & skf21("6","1","5","4","3","3","2","1") = "5"
    & skf21("6","1","5","4","3","3","3","1") = "5"
    & skf21("6","1","5","4","3","3","4","1") = "5"
    & skf21("6","1","5","4","3","3","5","1") = "5"
    & skf21("6","1","5","4","3","3","6","1") = "5"
    & skf21("6","1","5","4","3","3","7","1") = "6"
    & skf21("6","1","5","4","3","4","1","1") = "5"
    & skf21("6","1","5","4","3","4","2","1") = "5"
    & skf21("6","1","5","4","3","4","3","1") = "5"
    & skf21("6","1","5","4","3","4","4","1") = "5"
    & skf21("6","1","5","4","3","4","5","1") = "5"
    & skf21("6","1","5","4","3","4","6","1") = "5"
    & skf21("6","1","5","4","3","4","7","1") = "6"
    & skf21("6","1","5","4","3","5","1","1") = "5"
    & skf21("6","1","5","4","3","5","2","1") = "5"
    & skf21("6","1","5","4","3","5","3","1") = "5"
    & skf21("6","1","5","4","3","5","4","1") = "5"
    & skf21("6","1","5","4","3","5","5","1") = "5"
    & skf21("6","1","5","4","3","5","6","1") = "5"
    & skf21("6","1","5","4","3","5","7","1") = "6"
    & skf21("6","1","5","4","3","6","1","1") = "5"
    & skf21("6","1","5","4","3","6","2","1") = "5"
    & skf21("6","1","5","4","3","6","3","1") = "5"
    & skf21("6","1","5","4","3","6","4","1") = "5"
    & skf21("6","1","5","4","3","6","5","1") = "5"
    & skf21("6","1","5","4","3","6","6","1") = "5"
    & skf21("6","1","5","4","3","6","7","1") = "6"
    & skf21("6","1","5","4","3","7","1","1") = "6"
    & skf21("6","1","5","4","3","7","2","1") = "6"
    & skf21("6","1","5","4","3","7","3","1") = "6"
    & skf21("6","1","5","4","3","7","4","1") = "6"
    & skf21("6","1","5","4","3","7","5","1") = "6"
    & skf21("6","1","5","4","3","7","6","1") = "6"
    & skf21("6","1","5","4","3","7","7","1") = "6"
    & skf21("6","1","5","4","4","1","1","1") = "5"
    & skf21("6","1","5","4","4","1","2","1") = "5"
    & skf21("6","1","5","4","4","1","3","1") = "5"
    & skf21("6","1","5","4","4","1","4","1") = "5"
    & skf21("6","1","5","4","4","1","5","1") = "5"
    & skf21("6","1","5","4","4","1","6","1") = "5"
    & skf21("6","1","5","4","4","1","7","1") = "6"
    & skf21("6","1","5","4","4","2","1","1") = "5"
    & skf21("6","1","5","4","4","2","2","1") = "5"
    & skf21("6","1","5","4","4","2","3","1") = "5"
    & skf21("6","1","5","4","4","2","4","1") = "5"
    & skf21("6","1","5","4","4","2","5","1") = "5"
    & skf21("6","1","5","4","4","2","6","1") = "5"
    & skf21("6","1","5","4","4","2","7","1") = "6"
    & skf21("6","1","5","4","4","3","1","1") = "5"
    & skf21("6","1","5","4","4","3","2","1") = "5"
    & skf21("6","1","5","4","4","3","3","1") = "5"
    & skf21("6","1","5","4","4","3","4","1") = "5"
    & skf21("6","1","5","4","4","3","5","1") = "5"
    & skf21("6","1","5","4","4","3","6","1") = "5"
    & skf21("6","1","5","4","4","3","7","1") = "6"
    & skf21("6","1","5","4","4","4","1","1") = "5"
    & skf21("6","1","5","4","4","4","2","1") = "5"
    & skf21("6","1","5","4","4","4","3","1") = "5"
    & skf21("6","1","5","4","4","4","4","1") = "5"
    & skf21("6","1","5","4","4","4","5","1") = "5"
    & skf21("6","1","5","4","4","4","6","1") = "5"
    & skf21("6","1","5","4","4","4","7","1") = "6"
    & skf21("6","1","5","4","4","5","1","1") = "5"
    & skf21("6","1","5","4","4","5","2","1") = "5"
    & skf21("6","1","5","4","4","5","3","1") = "5"
    & skf21("6","1","5","4","4","5","4","1") = "5"
    & skf21("6","1","5","4","4","5","5","1") = "5"
    & skf21("6","1","5","4","4","5","6","1") = "5"
    & skf21("6","1","5","4","4","5","7","1") = "6"
    & skf21("6","1","5","4","4","6","1","1") = "5"
    & skf21("6","1","5","4","4","6","2","1") = "5"
    & skf21("6","1","5","4","4","6","3","1") = "5"
    & skf21("6","1","5","4","4","6","4","1") = "5"
    & skf21("6","1","5","4","4","6","5","1") = "5"
    & skf21("6","1","5","4","4","6","6","1") = "5"
    & skf21("6","1","5","4","4","6","7","1") = "6"
    & skf21("6","1","5","4","4","7","1","1") = "6"
    & skf21("6","1","5","4","4","7","2","1") = "6"
    & skf21("6","1","5","4","4","7","3","1") = "6"
    & skf21("6","1","5","4","4","7","4","1") = "6"
    & skf21("6","1","5","4","4","7","5","1") = "6"
    & skf21("6","1","5","4","4","7","6","1") = "6"
    & skf21("6","1","5","4","4","7","7","1") = "6"
    & skf21("6","1","5","4","5","1","1","1") = "5"
    & skf21("6","1","5","4","5","1","2","1") = "5"
    & skf21("6","1","5","4","5","1","3","1") = "5"
    & skf21("6","1","5","4","5","1","4","1") = "5"
    & skf21("6","1","5","4","5","1","5","1") = "5"
    & skf21("6","1","5","4","5","1","6","1") = "5"
    & skf21("6","1","5","4","5","1","7","1") = "6"
    & skf21("6","1","5","4","5","2","1","1") = "5"
    & skf21("6","1","5","4","5","2","2","1") = "5"
    & skf21("6","1","5","4","5","2","3","1") = "5"
    & skf21("6","1","5","4","5","2","4","1") = "5"
    & skf21("6","1","5","4","5","2","5","1") = "5"
    & skf21("6","1","5","4","5","2","6","1") = "5"
    & skf21("6","1","5","4","5","2","7","1") = "6"
    & skf21("6","1","5","4","5","3","1","1") = "5"
    & skf21("6","1","5","4","5","3","2","1") = "5"
    & skf21("6","1","5","4","5","3","3","1") = "5"
    & skf21("6","1","5","4","5","3","4","1") = "5"
    & skf21("6","1","5","4","5","3","5","1") = "5"
    & skf21("6","1","5","4","5","3","6","1") = "5"
    & skf21("6","1","5","4","5","3","7","1") = "6"
    & skf21("6","1","5","4","5","4","1","1") = "5"
    & skf21("6","1","5","4","5","4","2","1") = "5"
    & skf21("6","1","5","4","5","4","3","1") = "5"
    & skf21("6","1","5","4","5","4","4","1") = "5"
    & skf21("6","1","5","4","5","4","5","1") = "5"
    & skf21("6","1","5","4","5","4","6","1") = "5"
    & skf21("6","1","5","4","5","4","7","1") = "6"
    & skf21("6","1","5","4","5","5","1","1") = "5"
    & skf21("6","1","5","4","5","5","2","1") = "5"
    & skf21("6","1","5","4","5","5","3","1") = "5"
    & skf21("6","1","5","4","5","5","4","1") = "5"
    & skf21("6","1","5","4","5","5","5","1") = "5"
    & skf21("6","1","5","4","5","5","6","1") = "5"
    & skf21("6","1","5","4","5","5","7","1") = "6"
    & skf21("6","1","5","4","5","6","1","1") = "5"
    & skf21("6","1","5","4","5","6","2","1") = "5"
    & skf21("6","1","5","4","5","6","3","1") = "5"
    & skf21("6","1","5","4","5","6","4","1") = "5"
    & skf21("6","1","5","4","5","6","5","1") = "5"
    & skf21("6","1","5","4","5","6","6","1") = "5"
    & skf21("6","1","5","4","5","6","7","1") = "6"
    & skf21("6","1","5","4","5","7","1","1") = "6"
    & skf21("6","1","5","4","5","7","2","1") = "6"
    & skf21("6","1","5","4","5","7","3","1") = "6"
    & skf21("6","1","5","4","5","7","4","1") = "6"
    & skf21("6","1","5","4","5","7","5","1") = "6"
    & skf21("6","1","5","4","5","7","6","1") = "6"
    & skf21("6","1","5","4","5","7","7","1") = "6"
    & skf21("6","1","5","4","6","1","1","1") = "5"
    & skf21("6","1","5","4","6","1","2","1") = "5"
    & skf21("6","1","5","4","6","1","3","1") = "5"
    & skf21("6","1","5","4","6","1","4","1") = "5"
    & skf21("6","1","5","4","6","1","5","1") = "5"
    & skf21("6","1","5","4","6","1","6","1") = "5"
    & skf21("6","1","5","4","6","1","7","1") = "6"
    & skf21("6","1","5","4","6","2","1","1") = "5"
    & skf21("6","1","5","4","6","2","2","1") = "5"
    & skf21("6","1","5","4","6","2","3","1") = "5"
    & skf21("6","1","5","4","6","2","4","1") = "5"
    & skf21("6","1","5","4","6","2","5","1") = "5"
    & skf21("6","1","5","4","6","2","6","1") = "5"
    & skf21("6","1","5","4","6","2","7","1") = "6"
    & skf21("6","1","5","4","6","3","1","1") = "5"
    & skf21("6","1","5","4","6","3","2","1") = "5"
    & skf21("6","1","5","4","6","3","3","1") = "5"
    & skf21("6","1","5","4","6","3","4","1") = "5"
    & skf21("6","1","5","4","6","3","5","1") = "5"
    & skf21("6","1","5","4","6","3","6","1") = "5"
    & skf21("6","1","5","4","6","3","7","1") = "6"
    & skf21("6","1","5","4","6","4","1","1") = "5"
    & skf21("6","1","5","4","6","4","2","1") = "5"
    & skf21("6","1","5","4","6","4","3","1") = "5"
    & skf21("6","1","5","4","6","4","4","1") = "5"
    & skf21("6","1","5","4","6","4","5","1") = "5"
    & skf21("6","1","5","4","6","4","6","1") = "5"
    & skf21("6","1","5","4","6","4","7","1") = "6"
    & skf21("6","1","5","4","6","5","1","1") = "5"
    & skf21("6","1","5","4","6","5","2","1") = "5"
    & skf21("6","1","5","4","6","5","3","1") = "5"
    & skf21("6","1","5","4","6","5","4","1") = "5"
    & skf21("6","1","5","4","6","5","5","1") = "5"
    & skf21("6","1","5","4","6","5","6","1") = "5"
    & skf21("6","1","5","4","6","5","7","1") = "6"
    & skf21("6","1","5","4","6","6","1","1") = "5"
    & skf21("6","1","5","4","6","6","2","1") = "5"
    & skf21("6","1","5","4","6","6","3","1") = "5"
    & skf21("6","1","5","4","6","6","4","1") = "5"
    & skf21("6","1","5","4","6","6","5","1") = "5"
    & skf21("6","1","5","4","6","6","6","1") = "5"
    & skf21("6","1","5","4","6","6","7","1") = "6"
    & skf21("6","1","5","4","6","7","1","1") = "6"
    & skf21("6","1","5","4","6","7","2","1") = "6"
    & skf21("6","1","5","4","6","7","3","1") = "6"
    & skf21("6","1","5","4","6","7","4","1") = "6"
    & skf21("6","1","5","4","6","7","5","1") = "6"
    & skf21("6","1","5","4","6","7","6","1") = "6"
    & skf21("6","1","5","4","6","7","7","1") = "6"
    & skf21("6","1","5","4","7","1","1","1") = "6"
    & skf21("6","1","5","4","7","1","2","1") = "6"
    & skf21("6","1","5","4","7","1","3","1") = "6"
    & skf21("6","1","5","4","7","1","4","1") = "6"
    & skf21("6","1","5","4","7","1","5","1") = "6"
    & skf21("6","1","5","4","7","1","6","1") = "6"
    & skf21("6","1","5","4","7","1","7","1") = "6"
    & skf21("6","1","5","4","7","2","1","1") = "6"
    & skf21("6","1","5","4","7","2","2","1") = "6"
    & skf21("6","1","5","4","7","2","3","1") = "6"
    & skf21("6","1","5","4","7","2","4","1") = "6"
    & skf21("6","1","5","4","7","2","5","1") = "6"
    & skf21("6","1","5","4","7","2","6","1") = "6"
    & skf21("6","1","5","4","7","2","7","1") = "6"
    & skf21("6","1","5","4","7","3","1","1") = "6"
    & skf21("6","1","5","4","7","3","2","1") = "6"
    & skf21("6","1","5","4","7","3","3","1") = "6"
    & skf21("6","1","5","4","7","3","4","1") = "6"
    & skf21("6","1","5","4","7","3","5","1") = "6"
    & skf21("6","1","5","4","7","3","6","1") = "6"
    & skf21("6","1","5","4","7","3","7","1") = "6"
    & skf21("6","1","5","4","7","4","1","1") = "6"
    & skf21("6","1","5","4","7","4","2","1") = "6"
    & skf21("6","1","5","4","7","4","3","1") = "6"
    & skf21("6","1","5","4","7","4","4","1") = "6"
    & skf21("6","1","5","4","7","4","5","1") = "6"
    & skf21("6","1","5","4","7","4","6","1") = "6"
    & skf21("6","1","5","4","7","4","7","1") = "6"
    & skf21("6","1","5","4","7","5","1","1") = "6"
    & skf21("6","1","5","4","7","5","2","1") = "6"
    & skf21("6","1","5","4","7","5","3","1") = "6"
    & skf21("6","1","5","4","7","5","4","1") = "6"
    & skf21("6","1","5","4","7","5","5","1") = "6"
    & skf21("6","1","5","4","7","5","6","1") = "6"
    & skf21("6","1","5","4","7","5","7","1") = "6"
    & skf21("6","1","5","4","7","6","1","1") = "6"
    & skf21("6","1","5","4","7","6","2","1") = "6"
    & skf21("6","1","5","4","7","6","3","1") = "6"
    & skf21("6","1","5","4","7","6","4","1") = "6"
    & skf21("6","1","5","4","7","6","5","1") = "6"
    & skf21("6","1","5","4","7","6","6","1") = "6"
    & skf21("6","1","5","4","7","6","7","1") = "6"
    & skf21("6","1","5","4","7","7","1","1") = "6"
    & skf21("6","1","5","4","7","7","2","1") = "6"
    & skf21("6","1","5","4","7","7","3","1") = "6"
    & skf21("6","1","5","4","7","7","4","1") = "6"
    & skf21("6","1","5","4","7","7","5","1") = "6"
    & skf21("6","1","5","4","7","7","6","1") = "6"
    & skf21("6","1","5","4","7","7","7","1") = "6"
    & skf21("6","1","5","5","1","1","1","1") = "5"
    & skf21("6","1","5","5","1","1","2","1") = "5"
    & skf21("6","1","5","5","1","1","3","1") = "5"
    & skf21("6","1","5","5","1","1","4","1") = "5"
    & skf21("6","1","5","5","1","1","5","1") = "5"
    & skf21("6","1","5","5","1","1","6","1") = "5"
    & skf21("6","1","5","5","1","1","7","1") = "6"
    & skf21("6","1","5","5","1","2","1","1") = "5"
    & skf21("6","1","5","5","1","2","2","1") = "5"
    & skf21("6","1","5","5","1","2","3","1") = "5"
    & skf21("6","1","5","5","1","2","4","1") = "5"
    & skf21("6","1","5","5","1","2","5","1") = "5"
    & skf21("6","1","5","5","1","2","6","1") = "5"
    & skf21("6","1","5","5","1","2","7","1") = "6"
    & skf21("6","1","5","5","1","3","1","1") = "5"
    & skf21("6","1","5","5","1","3","2","1") = "5"
    & skf21("6","1","5","5","1","3","3","1") = "5"
    & skf21("6","1","5","5","1","3","4","1") = "5"
    & skf21("6","1","5","5","1","3","5","1") = "5"
    & skf21("6","1","5","5","1","3","6","1") = "5"
    & skf21("6","1","5","5","1","3","7","1") = "6"
    & skf21("6","1","5","5","1","4","1","1") = "5"
    & skf21("6","1","5","5","1","4","2","1") = "5"
    & skf21("6","1","5","5","1","4","3","1") = "5"
    & skf21("6","1","5","5","1","4","4","1") = "5"
    & skf21("6","1","5","5","1","4","5","1") = "5"
    & skf21("6","1","5","5","1","4","6","1") = "5"
    & skf21("6","1","5","5","1","4","7","1") = "6"
    & skf21("6","1","5","5","1","5","1","1") = "5"
    & skf21("6","1","5","5","1","5","2","1") = "5"
    & skf21("6","1","5","5","1","5","3","1") = "5"
    & skf21("6","1","5","5","1","5","4","1") = "5"
    & skf21("6","1","5","5","1","5","5","1") = "5"
    & skf21("6","1","5","5","1","5","6","1") = "5"
    & skf21("6","1","5","5","1","5","7","1") = "6"
    & skf21("6","1","5","5","1","6","1","1") = "5"
    & skf21("6","1","5","5","1","6","2","1") = "5"
    & skf21("6","1","5","5","1","6","3","1") = "5"
    & skf21("6","1","5","5","1","6","4","1") = "5"
    & skf21("6","1","5","5","1","6","5","1") = "5"
    & skf21("6","1","5","5","1","6","6","1") = "5"
    & skf21("6","1","5","5","1","6","7","1") = "6"
    & skf21("6","1","5","5","1","7","1","1") = "6"
    & skf21("6","1","5","5","1","7","2","1") = "6"
    & skf21("6","1","5","5","1","7","3","1") = "6"
    & skf21("6","1","5","5","1","7","4","1") = "6"
    & skf21("6","1","5","5","1","7","5","1") = "6"
    & skf21("6","1","5","5","1","7","6","1") = "6"
    & skf21("6","1","5","5","1","7","7","1") = "6"
    & skf21("6","1","5","5","2","1","1","1") = "5"
    & skf21("6","1","5","5","2","1","2","1") = "5"
    & skf21("6","1","5","5","2","1","3","1") = "5"
    & skf21("6","1","5","5","2","1","4","1") = "5"
    & skf21("6","1","5","5","2","1","5","1") = "5"
    & skf21("6","1","5","5","2","1","6","1") = "5"
    & skf21("6","1","5","5","2","1","7","1") = "6"
    & skf21("6","1","5","5","2","2","1","1") = "5"
    & skf21("6","1","5","5","2","2","2","1") = "5"
    & skf21("6","1","5","5","2","2","3","1") = "5"
    & skf21("6","1","5","5","2","2","4","1") = "5"
    & skf21("6","1","5","5","2","2","5","1") = "5"
    & skf21("6","1","5","5","2","2","6","1") = "5"
    & skf21("6","1","5","5","2","2","7","1") = "6"
    & skf21("6","1","5","5","2","3","1","1") = "5"
    & skf21("6","1","5","5","2","3","2","1") = "5"
    & skf21("6","1","5","5","2","3","3","1") = "5"
    & skf21("6","1","5","5","2","3","4","1") = "5"
    & skf21("6","1","5","5","2","3","5","1") = "5"
    & skf21("6","1","5","5","2","3","6","1") = "5"
    & skf21("6","1","5","5","2","3","7","1") = "6"
    & skf21("6","1","5","5","2","4","1","1") = "5"
    & skf21("6","1","5","5","2","4","2","1") = "5"
    & skf21("6","1","5","5","2","4","3","1") = "5"
    & skf21("6","1","5","5","2","4","4","1") = "5"
    & skf21("6","1","5","5","2","4","5","1") = "5"
    & skf21("6","1","5","5","2","4","6","1") = "5"
    & skf21("6","1","5","5","2","4","7","1") = "6"
    & skf21("6","1","5","5","2","5","1","1") = "5"
    & skf21("6","1","5","5","2","5","2","1") = "5"
    & skf21("6","1","5","5","2","5","3","1") = "5"
    & skf21("6","1","5","5","2","5","4","1") = "5"
    & skf21("6","1","5","5","2","5","5","1") = "5"
    & skf21("6","1","5","5","2","5","6","1") = "5"
    & skf21("6","1","5","5","2","5","7","1") = "6"
    & skf21("6","1","5","5","2","6","1","1") = "5"
    & skf21("6","1","5","5","2","6","2","1") = "5"
    & skf21("6","1","5","5","2","6","3","1") = "5"
    & skf21("6","1","5","5","2","6","4","1") = "5"
    & skf21("6","1","5","5","2","6","5","1") = "5"
    & skf21("6","1","5","5","2","6","6","1") = "5"
    & skf21("6","1","5","5","2","6","7","1") = "6"
    & skf21("6","1","5","5","2","7","1","1") = "6"
    & skf21("6","1","5","5","2","7","2","1") = "6"
    & skf21("6","1","5","5","2","7","3","1") = "6"
    & skf21("6","1","5","5","2","7","4","1") = "6"
    & skf21("6","1","5","5","2","7","5","1") = "6"
    & skf21("6","1","5","5","2","7","6","1") = "6"
    & skf21("6","1","5","5","2","7","7","1") = "6"
    & skf21("6","1","5","5","3","1","1","1") = "5"
    & skf21("6","1","5","5","3","1","2","1") = "5"
    & skf21("6","1","5","5","3","1","3","1") = "5"
    & skf21("6","1","5","5","3","1","4","1") = "5"
    & skf21("6","1","5","5","3","1","5","1") = "5"
    & skf21("6","1","5","5","3","1","6","1") = "5"
    & skf21("6","1","5","5","3","1","7","1") = "6"
    & skf21("6","1","5","5","3","2","1","1") = "5"
    & skf21("6","1","5","5","3","2","2","1") = "5"
    & skf21("6","1","5","5","3","2","3","1") = "5"
    & skf21("6","1","5","5","3","2","4","1") = "5"
    & skf21("6","1","5","5","3","2","5","1") = "5"
    & skf21("6","1","5","5","3","2","6","1") = "5"
    & skf21("6","1","5","5","3","2","7","1") = "6"
    & skf21("6","1","5","5","3","3","1","1") = "5"
    & skf21("6","1","5","5","3","3","2","1") = "5"
    & skf21("6","1","5","5","3","3","3","1") = "5"
    & skf21("6","1","5","5","3","3","4","1") = "5"
    & skf21("6","1","5","5","3","3","5","1") = "5"
    & skf21("6","1","5","5","3","3","6","1") = "5"
    & skf21("6","1","5","5","3","3","7","1") = "6"
    & skf21("6","1","5","5","3","4","1","1") = "5"
    & skf21("6","1","5","5","3","4","2","1") = "5"
    & skf21("6","1","5","5","3","4","3","1") = "5"
    & skf21("6","1","5","5","3","4","4","1") = "5"
    & skf21("6","1","5","5","3","4","5","1") = "5"
    & skf21("6","1","5","5","3","4","6","1") = "5"
    & skf21("6","1","5","5","3","4","7","1") = "6"
    & skf21("6","1","5","5","3","5","1","1") = "5"
    & skf21("6","1","5","5","3","5","2","1") = "5"
    & skf21("6","1","5","5","3","5","3","1") = "5"
    & skf21("6","1","5","5","3","5","4","1") = "5"
    & skf21("6","1","5","5","3","5","5","1") = "5"
    & skf21("6","1","5","5","3","5","6","1") = "5"
    & skf21("6","1","5","5","3","5","7","1") = "6"
    & skf21("6","1","5","5","3","6","1","1") = "5"
    & skf21("6","1","5","5","3","6","2","1") = "5"
    & skf21("6","1","5","5","3","6","3","1") = "5"
    & skf21("6","1","5","5","3","6","4","1") = "5"
    & skf21("6","1","5","5","3","6","5","1") = "5"
    & skf21("6","1","5","5","3","6","6","1") = "5"
    & skf21("6","1","5","5","3","6","7","1") = "6"
    & skf21("6","1","5","5","3","7","1","1") = "6"
    & skf21("6","1","5","5","3","7","2","1") = "6"
    & skf21("6","1","5","5","3","7","3","1") = "6"
    & skf21("6","1","5","5","3","7","4","1") = "6"
    & skf21("6","1","5","5","3","7","5","1") = "6"
    & skf21("6","1","5","5","3","7","6","1") = "6"
    & skf21("6","1","5","5","3","7","7","1") = "6"
    & skf21("6","1","5","5","4","1","1","1") = "5"
    & skf21("6","1","5","5","4","1","2","1") = "5"
    & skf21("6","1","5","5","4","1","3","1") = "5"
    & skf21("6","1","5","5","4","1","4","1") = "5"
    & skf21("6","1","5","5","4","1","5","1") = "5"
    & skf21("6","1","5","5","4","1","6","1") = "5"
    & skf21("6","1","5","5","4","1","7","1") = "6"
    & skf21("6","1","5","5","4","2","1","1") = "5"
    & skf21("6","1","5","5","4","2","2","1") = "5"
    & skf21("6","1","5","5","4","2","3","1") = "5"
    & skf21("6","1","5","5","4","2","4","1") = "5"
    & skf21("6","1","5","5","4","2","5","1") = "5"
    & skf21("6","1","5","5","4","2","6","1") = "5"
    & skf21("6","1","5","5","4","2","7","1") = "6"
    & skf21("6","1","5","5","4","3","1","1") = "5"
    & skf21("6","1","5","5","4","3","2","1") = "5"
    & skf21("6","1","5","5","4","3","3","1") = "5"
    & skf21("6","1","5","5","4","3","4","1") = "5"
    & skf21("6","1","5","5","4","3","5","1") = "5"
    & skf21("6","1","5","5","4","3","6","1") = "5"
    & skf21("6","1","5","5","4","3","7","1") = "6"
    & skf21("6","1","5","5","4","4","1","1") = "5"
    & skf21("6","1","5","5","4","4","2","1") = "5"
    & skf21("6","1","5","5","4","4","3","1") = "5"
    & skf21("6","1","5","5","4","4","4","1") = "5"
    & skf21("6","1","5","5","4","4","5","1") = "5"
    & skf21("6","1","5","5","4","4","6","1") = "5"
    & skf21("6","1","5","5","4","4","7","1") = "6"
    & skf21("6","1","5","5","4","5","1","1") = "5"
    & skf21("6","1","5","5","4","5","2","1") = "5"
    & skf21("6","1","5","5","4","5","3","1") = "5"
    & skf21("6","1","5","5","4","5","4","1") = "5"
    & skf21("6","1","5","5","4","5","5","1") = "5"
    & skf21("6","1","5","5","4","5","6","1") = "5"
    & skf21("6","1","5","5","4","5","7","1") = "6"
    & skf21("6","1","5","5","4","6","1","1") = "5"
    & skf21("6","1","5","5","4","6","2","1") = "5"
    & skf21("6","1","5","5","4","6","3","1") = "5"
    & skf21("6","1","5","5","4","6","4","1") = "5"
    & skf21("6","1","5","5","4","6","5","1") = "5"
    & skf21("6","1","5","5","4","6","6","1") = "5"
    & skf21("6","1","5","5","4","6","7","1") = "6"
    & skf21("6","1","5","5","4","7","1","1") = "6"
    & skf21("6","1","5","5","4","7","2","1") = "6"
    & skf21("6","1","5","5","4","7","3","1") = "6"
    & skf21("6","1","5","5","4","7","4","1") = "6"
    & skf21("6","1","5","5","4","7","5","1") = "6"
    & skf21("6","1","5","5","4","7","6","1") = "6"
    & skf21("6","1","5","5","4","7","7","1") = "6"
    & skf21("6","1","5","5","5","1","1","1") = "5"
    & skf21("6","1","5","5","5","1","2","1") = "5"
    & skf21("6","1","5","5","5","1","3","1") = "5"
    & skf21("6","1","5","5","5","1","4","1") = "5"
    & skf21("6","1","5","5","5","1","5","1") = "5"
    & skf21("6","1","5","5","5","1","6","1") = "5"
    & skf21("6","1","5","5","5","1","7","1") = "6"
    & skf21("6","1","5","5","5","2","1","1") = "5"
    & skf21("6","1","5","5","5","2","2","1") = "5"
    & skf21("6","1","5","5","5","2","3","1") = "5"
    & skf21("6","1","5","5","5","2","4","1") = "5"
    & skf21("6","1","5","5","5","2","5","1") = "5"
    & skf21("6","1","5","5","5","2","6","1") = "5"
    & skf21("6","1","5","5","5","2","7","1") = "6"
    & skf21("6","1","5","5","5","3","1","1") = "5"
    & skf21("6","1","5","5","5","3","2","1") = "5"
    & skf21("6","1","5","5","5","3","3","1") = "5"
    & skf21("6","1","5","5","5","3","4","1") = "5"
    & skf21("6","1","5","5","5","3","5","1") = "5"
    & skf21("6","1","5","5","5","3","6","1") = "5"
    & skf21("6","1","5","5","5","3","7","1") = "6"
    & skf21("6","1","5","5","5","4","1","1") = "5"
    & skf21("6","1","5","5","5","4","2","1") = "5"
    & skf21("6","1","5","5","5","4","3","1") = "5"
    & skf21("6","1","5","5","5","4","4","1") = "5"
    & skf21("6","1","5","5","5","4","5","1") = "5"
    & skf21("6","1","5","5","5","4","6","1") = "5"
    & skf21("6","1","5","5","5","4","7","1") = "6"
    & skf21("6","1","5","5","5","5","1","1") = "5"
    & skf21("6","1","5","5","5","5","2","1") = "5"
    & skf21("6","1","5","5","5","5","3","1") = "5"
    & skf21("6","1","5","5","5","5","4","1") = "5"
    & skf21("6","1","5","5","5","5","5","1") = "5"
    & skf21("6","1","5","5","5","5","6","1") = "5"
    & skf21("6","1","5","5","5","5","7","1") = "6"
    & skf21("6","1","5","5","5","6","1","1") = "5"
    & skf21("6","1","5","5","5","6","2","1") = "5"
    & skf21("6","1","5","5","5","6","3","1") = "5"
    & skf21("6","1","5","5","5","6","4","1") = "5"
    & skf21("6","1","5","5","5","6","5","1") = "5"
    & skf21("6","1","5","5","5","6","6","1") = "5"
    & skf21("6","1","5","5","5","6","7","1") = "6"
    & skf21("6","1","5","5","5","7","1","1") = "6"
    & skf21("6","1","5","5","5","7","2","1") = "6"
    & skf21("6","1","5","5","5","7","3","1") = "6"
    & skf21("6","1","5","5","5","7","4","1") = "6"
    & skf21("6","1","5","5","5","7","5","1") = "6"
    & skf21("6","1","5","5","5","7","6","1") = "6"
    & skf21("6","1","5","5","5","7","7","1") = "6"
    & skf21("6","1","5","5","6","1","1","1") = "5"
    & skf21("6","1","5","5","6","1","2","1") = "5"
    & skf21("6","1","5","5","6","1","3","1") = "5"
    & skf21("6","1","5","5","6","1","4","1") = "5"
    & skf21("6","1","5","5","6","1","5","1") = "5"
    & skf21("6","1","5","5","6","1","6","1") = "5"
    & skf21("6","1","5","5","6","1","7","1") = "6"
    & skf21("6","1","5","5","6","2","1","1") = "5"
    & skf21("6","1","5","5","6","2","2","1") = "5"
    & skf21("6","1","5","5","6","2","3","1") = "5"
    & skf21("6","1","5","5","6","2","4","1") = "5"
    & skf21("6","1","5","5","6","2","5","1") = "5"
    & skf21("6","1","5","5","6","2","6","1") = "5"
    & skf21("6","1","5","5","6","2","7","1") = "6"
    & skf21("6","1","5","5","6","3","1","1") = "5"
    & skf21("6","1","5","5","6","3","2","1") = "5"
    & skf21("6","1","5","5","6","3","3","1") = "5"
    & skf21("6","1","5","5","6","3","4","1") = "5"
    & skf21("6","1","5","5","6","3","5","1") = "5"
    & skf21("6","1","5","5","6","3","6","1") = "5"
    & skf21("6","1","5","5","6","3","7","1") = "6"
    & skf21("6","1","5","5","6","4","1","1") = "5"
    & skf21("6","1","5","5","6","4","2","1") = "5"
    & skf21("6","1","5","5","6","4","3","1") = "5"
    & skf21("6","1","5","5","6","4","4","1") = "5"
    & skf21("6","1","5","5","6","4","5","1") = "5"
    & skf21("6","1","5","5","6","4","6","1") = "5"
    & skf21("6","1","5","5","6","4","7","1") = "6"
    & skf21("6","1","5","5","6","5","1","1") = "5"
    & skf21("6","1","5","5","6","5","2","1") = "5"
    & skf21("6","1","5","5","6","5","3","1") = "5"
    & skf21("6","1","5","5","6","5","4","1") = "5"
    & skf21("6","1","5","5","6","5","5","1") = "5"
    & skf21("6","1","5","5","6","5","6","1") = "5"
    & skf21("6","1","5","5","6","5","7","1") = "6"
    & skf21("6","1","5","5","6","6","1","1") = "5"
    & skf21("6","1","5","5","6","6","2","1") = "5"
    & skf21("6","1","5","5","6","6","3","1") = "5"
    & skf21("6","1","5","5","6","6","4","1") = "5"
    & skf21("6","1","5","5","6","6","5","1") = "5"
    & skf21("6","1","5","5","6","6","6","1") = "5"
    & skf21("6","1","5","5","6","6","7","1") = "6"
    & skf21("6","1","5","5","6","7","1","1") = "6"
    & skf21("6","1","5","5","6","7","2","1") = "6"
    & skf21("6","1","5","5","6","7","3","1") = "6"
    & skf21("6","1","5","5","6","7","4","1") = "6"
    & skf21("6","1","5","5","6","7","5","1") = "6"
    & skf21("6","1","5","5","6","7","6","1") = "6"
    & skf21("6","1","5","5","6","7","7","1") = "6"
    & skf21("6","1","5","5","7","1","1","1") = "6"
    & skf21("6","1","5","5","7","1","2","1") = "6"
    & skf21("6","1","5","5","7","1","3","1") = "6"
    & skf21("6","1","5","5","7","1","4","1") = "6"
    & skf21("6","1","5","5","7","1","5","1") = "6"
    & skf21("6","1","5","5","7","1","6","1") = "6"
    & skf21("6","1","5","5","7","1","7","1") = "6"
    & skf21("6","1","5","5","7","2","1","1") = "6"
    & skf21("6","1","5","5","7","2","2","1") = "6"
    & skf21("6","1","5","5","7","2","3","1") = "6"
    & skf21("6","1","5","5","7","2","4","1") = "6"
    & skf21("6","1","5","5","7","2","5","1") = "6"
    & skf21("6","1","5","5","7","2","6","1") = "6"
    & skf21("6","1","5","5","7","2","7","1") = "6"
    & skf21("6","1","5","5","7","3","1","1") = "6"
    & skf21("6","1","5","5","7","3","2","1") = "6"
    & skf21("6","1","5","5","7","3","3","1") = "6"
    & skf21("6","1","5","5","7","3","4","1") = "6"
    & skf21("6","1","5","5","7","3","5","1") = "6"
    & skf21("6","1","5","5","7","3","6","1") = "6"
    & skf21("6","1","5","5","7","3","7","1") = "6"
    & skf21("6","1","5","5","7","4","1","1") = "6"
    & skf21("6","1","5","5","7","4","2","1") = "6"
    & skf21("6","1","5","5","7","4","3","1") = "6"
    & skf21("6","1","5","5","7","4","4","1") = "6"
    & skf21("6","1","5","5","7","4","5","1") = "6"
    & skf21("6","1","5","5","7","4","6","1") = "6"
    & skf21("6","1","5","5","7","4","7","1") = "6"
    & skf21("6","1","5","5","7","5","1","1") = "6"
    & skf21("6","1","5","5","7","5","2","1") = "6"
    & skf21("6","1","5","5","7","5","3","1") = "6"
    & skf21("6","1","5","5","7","5","4","1") = "6"
    & skf21("6","1","5","5","7","5","5","1") = "6"
    & skf21("6","1","5","5","7","5","6","1") = "6"
    & skf21("6","1","5","5","7","5","7","1") = "6"
    & skf21("6","1","5","5","7","6","1","1") = "6"
    & skf21("6","1","5","5","7","6","2","1") = "6"
    & skf21("6","1","5","5","7","6","3","1") = "6"
    & skf21("6","1","5","5","7","6","4","1") = "6"
    & skf21("6","1","5","5","7","6","5","1") = "6"
    & skf21("6","1","5","5","7","6","6","1") = "6"
    & skf21("6","1","5","5","7","6","7","1") = "6"
    & skf21("6","1","5","5","7","7","1","1") = "6"
    & skf21("6","1","5","5","7","7","2","1") = "6"
    & skf21("6","1","5","5","7","7","3","1") = "6"
    & skf21("6","1","5","5","7","7","4","1") = "6"
    & skf21("6","1","5","5","7","7","5","1") = "6"
    & skf21("6","1","5","5","7","7","6","1") = "6"
    & skf21("6","1","5","5","7","7","7","1") = "6"
    & skf21("6","1","5","6","1","1","1","1") = "5"
    & skf21("6","1","5","6","1","1","2","1") = "5"
    & skf21("6","1","5","6","1","1","3","1") = "5"
    & skf21("6","1","5","6","1","1","4","1") = "5"
    & skf21("6","1","5","6","1","1","5","1") = "5"
    & skf21("6","1","5","6","1","1","6","1") = "5"
    & skf21("6","1","5","6","1","1","7","1") = "6"
    & skf21("6","1","5","6","1","2","1","1") = "5"
    & skf21("6","1","5","6","1","2","2","1") = "5"
    & skf21("6","1","5","6","1","2","3","1") = "5"
    & skf21("6","1","5","6","1","2","4","1") = "5"
    & skf21("6","1","5","6","1","2","5","1") = "5"
    & skf21("6","1","5","6","1","2","6","1") = "5"
    & skf21("6","1","5","6","1","2","7","1") = "6"
    & skf21("6","1","5","6","1","3","1","1") = "5"
    & skf21("6","1","5","6","1","3","2","1") = "5"
    & skf21("6","1","5","6","1","3","3","1") = "5"
    & skf21("6","1","5","6","1","3","4","1") = "5"
    & skf21("6","1","5","6","1","3","5","1") = "5"
    & skf21("6","1","5","6","1","3","6","1") = "5"
    & skf21("6","1","5","6","1","3","7","1") = "6"
    & skf21("6","1","5","6","1","4","1","1") = "5"
    & skf21("6","1","5","6","1","4","2","1") = "5"
    & skf21("6","1","5","6","1","4","3","1") = "5"
    & skf21("6","1","5","6","1","4","4","1") = "5"
    & skf21("6","1","5","6","1","4","5","1") = "5"
    & skf21("6","1","5","6","1","4","6","1") = "5"
    & skf21("6","1","5","6","1","4","7","1") = "6"
    & skf21("6","1","5","6","1","5","1","1") = "5"
    & skf21("6","1","5","6","1","5","2","1") = "5"
    & skf21("6","1","5","6","1","5","3","1") = "5"
    & skf21("6","1","5","6","1","5","4","1") = "5"
    & skf21("6","1","5","6","1","5","5","1") = "5"
    & skf21("6","1","5","6","1","5","6","1") = "5"
    & skf21("6","1","5","6","1","5","7","1") = "6"
    & skf21("6","1","5","6","1","6","1","1") = "5"
    & skf21("6","1","5","6","1","6","2","1") = "5"
    & skf21("6","1","5","6","1","6","3","1") = "5"
    & skf21("6","1","5","6","1","6","4","1") = "5"
    & skf21("6","1","5","6","1","6","5","1") = "5"
    & skf21("6","1","5","6","1","6","6","1") = "5"
    & skf21("6","1","5","6","1","6","7","1") = "6"
    & skf21("6","1","5","6","1","7","1","1") = "6"
    & skf21("6","1","5","6","1","7","2","1") = "6"
    & skf21("6","1","5","6","1","7","3","1") = "6"
    & skf21("6","1","5","6","1","7","4","1") = "6"
    & skf21("6","1","5","6","1","7","5","1") = "6"
    & skf21("6","1","5","6","1","7","6","1") = "6"
    & skf21("6","1","5","6","1","7","7","1") = "6"
    & skf21("6","1","5","6","2","1","1","1") = "5"
    & skf21("6","1","5","6","2","1","2","1") = "5"
    & skf21("6","1","5","6","2","1","3","1") = "5"
    & skf21("6","1","5","6","2","1","4","1") = "5"
    & skf21("6","1","5","6","2","1","5","1") = "5"
    & skf21("6","1","5","6","2","1","6","1") = "5"
    & skf21("6","1","5","6","2","1","7","1") = "6"
    & skf21("6","1","5","6","2","2","1","1") = "5"
    & skf21("6","1","5","6","2","2","2","1") = "5"
    & skf21("6","1","5","6","2","2","3","1") = "5"
    & skf21("6","1","5","6","2","2","4","1") = "5"
    & skf21("6","1","5","6","2","2","5","1") = "5"
    & skf21("6","1","5","6","2","2","6","1") = "5"
    & skf21("6","1","5","6","2","2","7","1") = "6"
    & skf21("6","1","5","6","2","3","1","1") = "5"
    & skf21("6","1","5","6","2","3","2","1") = "5"
    & skf21("6","1","5","6","2","3","3","1") = "5"
    & skf21("6","1","5","6","2","3","4","1") = "5"
    & skf21("6","1","5","6","2","3","5","1") = "5"
    & skf21("6","1","5","6","2","3","6","1") = "5"
    & skf21("6","1","5","6","2","3","7","1") = "6"
    & skf21("6","1","5","6","2","4","1","1") = "5"
    & skf21("6","1","5","6","2","4","2","1") = "5"
    & skf21("6","1","5","6","2","4","3","1") = "5"
    & skf21("6","1","5","6","2","4","4","1") = "5"
    & skf21("6","1","5","6","2","4","5","1") = "5"
    & skf21("6","1","5","6","2","4","6","1") = "5"
    & skf21("6","1","5","6","2","4","7","1") = "6"
    & skf21("6","1","5","6","2","5","1","1") = "5"
    & skf21("6","1","5","6","2","5","2","1") = "5"
    & skf21("6","1","5","6","2","5","3","1") = "5"
    & skf21("6","1","5","6","2","5","4","1") = "5"
    & skf21("6","1","5","6","2","5","5","1") = "5"
    & skf21("6","1","5","6","2","5","6","1") = "5"
    & skf21("6","1","5","6","2","5","7","1") = "6"
    & skf21("6","1","5","6","2","6","1","1") = "5"
    & skf21("6","1","5","6","2","6","2","1") = "5"
    & skf21("6","1","5","6","2","6","3","1") = "5"
    & skf21("6","1","5","6","2","6","4","1") = "5"
    & skf21("6","1","5","6","2","6","5","1") = "5"
    & skf21("6","1","5","6","2","6","6","1") = "5"
    & skf21("6","1","5","6","2","6","7","1") = "6"
    & skf21("6","1","5","6","2","7","1","1") = "6"
    & skf21("6","1","5","6","2","7","2","1") = "6"
    & skf21("6","1","5","6","2","7","3","1") = "6"
    & skf21("6","1","5","6","2","7","4","1") = "6"
    & skf21("6","1","5","6","2","7","5","1") = "6"
    & skf21("6","1","5","6","2","7","6","1") = "6"
    & skf21("6","1","5","6","2","7","7","1") = "6"
    & skf21("6","1","5","6","3","1","1","1") = "5"
    & skf21("6","1","5","6","3","1","2","1") = "5"
    & skf21("6","1","5","6","3","1","3","1") = "5"
    & skf21("6","1","5","6","3","1","4","1") = "5"
    & skf21("6","1","5","6","3","1","5","1") = "5"
    & skf21("6","1","5","6","3","1","6","1") = "5"
    & skf21("6","1","5","6","3","1","7","1") = "6"
    & skf21("6","1","5","6","3","2","1","1") = "5"
    & skf21("6","1","5","6","3","2","2","1") = "5"
    & skf21("6","1","5","6","3","2","3","1") = "5"
    & skf21("6","1","5","6","3","2","4","1") = "5"
    & skf21("6","1","5","6","3","2","5","1") = "5"
    & skf21("6","1","5","6","3","2","6","1") = "5"
    & skf21("6","1","5","6","3","2","7","1") = "6"
    & skf21("6","1","5","6","3","3","1","1") = "5"
    & skf21("6","1","5","6","3","3","2","1") = "5"
    & skf21("6","1","5","6","3","3","3","1") = "5"
    & skf21("6","1","5","6","3","3","4","1") = "5"
    & skf21("6","1","5","6","3","3","5","1") = "5"
    & skf21("6","1","5","6","3","3","6","1") = "5"
    & skf21("6","1","5","6","3","3","7","1") = "6"
    & skf21("6","1","5","6","3","4","1","1") = "5"
    & skf21("6","1","5","6","3","4","2","1") = "5"
    & skf21("6","1","5","6","3","4","3","1") = "5"
    & skf21("6","1","5","6","3","4","4","1") = "5"
    & skf21("6","1","5","6","3","4","5","1") = "5"
    & skf21("6","1","5","6","3","4","6","1") = "5"
    & skf21("6","1","5","6","3","4","7","1") = "6"
    & skf21("6","1","5","6","3","5","1","1") = "5"
    & skf21("6","1","5","6","3","5","2","1") = "5"
    & skf21("6","1","5","6","3","5","3","1") = "5"
    & skf21("6","1","5","6","3","5","4","1") = "5"
    & skf21("6","1","5","6","3","5","5","1") = "5"
    & skf21("6","1","5","6","3","5","6","1") = "5"
    & skf21("6","1","5","6","3","5","7","1") = "6"
    & skf21("6","1","5","6","3","6","1","1") = "5"
    & skf21("6","1","5","6","3","6","2","1") = "5"
    & skf21("6","1","5","6","3","6","3","1") = "5"
    & skf21("6","1","5","6","3","6","4","1") = "5"
    & skf21("6","1","5","6","3","6","5","1") = "5"
    & skf21("6","1","5","6","3","6","6","1") = "5"
    & skf21("6","1","5","6","3","6","7","1") = "6"
    & skf21("6","1","5","6","3","7","1","1") = "6"
    & skf21("6","1","5","6","3","7","2","1") = "6"
    & skf21("6","1","5","6","3","7","3","1") = "6"
    & skf21("6","1","5","6","3","7","4","1") = "6"
    & skf21("6","1","5","6","3","7","5","1") = "6"
    & skf21("6","1","5","6","3","7","6","1") = "6"
    & skf21("6","1","5","6","3","7","7","1") = "6"
    & skf21("6","1","5","6","4","1","1","1") = "5"
    & skf21("6","1","5","6","4","1","2","1") = "5"
    & skf21("6","1","5","6","4","1","3","1") = "5"
    & skf21("6","1","5","6","4","1","4","1") = "5"
    & skf21("6","1","5","6","4","1","5","1") = "5"
    & skf21("6","1","5","6","4","1","6","1") = "5"
    & skf21("6","1","5","6","4","1","7","1") = "6"
    & skf21("6","1","5","6","4","2","1","1") = "5"
    & skf21("6","1","5","6","4","2","2","1") = "5"
    & skf21("6","1","5","6","4","2","3","1") = "5"
    & skf21("6","1","5","6","4","2","4","1") = "5"
    & skf21("6","1","5","6","4","2","5","1") = "5"
    & skf21("6","1","5","6","4","2","6","1") = "5"
    & skf21("6","1","5","6","4","2","7","1") = "6"
    & skf21("6","1","5","6","4","3","1","1") = "5"
    & skf21("6","1","5","6","4","3","2","1") = "5"
    & skf21("6","1","5","6","4","3","3","1") = "5"
    & skf21("6","1","5","6","4","3","4","1") = "5"
    & skf21("6","1","5","6","4","3","5","1") = "5"
    & skf21("6","1","5","6","4","3","6","1") = "5"
    & skf21("6","1","5","6","4","3","7","1") = "6"
    & skf21("6","1","5","6","4","4","1","1") = "5"
    & skf21("6","1","5","6","4","4","2","1") = "5"
    & skf21("6","1","5","6","4","4","3","1") = "5"
    & skf21("6","1","5","6","4","4","4","1") = "5"
    & skf21("6","1","5","6","4","4","5","1") = "5"
    & skf21("6","1","5","6","4","4","6","1") = "5"
    & skf21("6","1","5","6","4","4","7","1") = "6"
    & skf21("6","1","5","6","4","5","1","1") = "5"
    & skf21("6","1","5","6","4","5","2","1") = "5"
    & skf21("6","1","5","6","4","5","3","1") = "5"
    & skf21("6","1","5","6","4","5","4","1") = "5"
    & skf21("6","1","5","6","4","5","5","1") = "5"
    & skf21("6","1","5","6","4","5","6","1") = "5"
    & skf21("6","1","5","6","4","5","7","1") = "6"
    & skf21("6","1","5","6","4","6","1","1") = "5"
    & skf21("6","1","5","6","4","6","2","1") = "5"
    & skf21("6","1","5","6","4","6","3","1") = "5"
    & skf21("6","1","5","6","4","6","4","1") = "5"
    & skf21("6","1","5","6","4","6","5","1") = "5"
    & skf21("6","1","5","6","4","6","6","1") = "5"
    & skf21("6","1","5","6","4","6","7","1") = "6"
    & skf21("6","1","5","6","4","7","1","1") = "6"
    & skf21("6","1","5","6","4","7","2","1") = "6"
    & skf21("6","1","5","6","4","7","3","1") = "6"
    & skf21("6","1","5","6","4","7","4","1") = "6"
    & skf21("6","1","5","6","4","7","5","1") = "6"
    & skf21("6","1","5","6","4","7","6","1") = "6"
    & skf21("6","1","5","6","4","7","7","1") = "6"
    & skf21("6","1","5","6","5","1","1","1") = "5"
    & skf21("6","1","5","6","5","1","2","1") = "5"
    & skf21("6","1","5","6","5","1","3","1") = "5"
    & skf21("6","1","5","6","5","1","4","1") = "5"
    & skf21("6","1","5","6","5","1","5","1") = "5"
    & skf21("6","1","5","6","5","1","6","1") = "5"
    & skf21("6","1","5","6","5","1","7","1") = "6"
    & skf21("6","1","5","6","5","2","1","1") = "5"
    & skf21("6","1","5","6","5","2","2","1") = "5"
    & skf21("6","1","5","6","5","2","3","1") = "5"
    & skf21("6","1","5","6","5","2","4","1") = "5"
    & skf21("6","1","5","6","5","2","5","1") = "5"
    & skf21("6","1","5","6","5","2","6","1") = "5"
    & skf21("6","1","5","6","5","2","7","1") = "6"
    & skf21("6","1","5","6","5","3","1","1") = "5"
    & skf21("6","1","5","6","5","3","2","1") = "5"
    & skf21("6","1","5","6","5","3","3","1") = "5"
    & skf21("6","1","5","6","5","3","4","1") = "5"
    & skf21("6","1","5","6","5","3","5","1") = "5"
    & skf21("6","1","5","6","5","3","6","1") = "5"
    & skf21("6","1","5","6","5","3","7","1") = "6"
    & skf21("6","1","5","6","5","4","1","1") = "5"
    & skf21("6","1","5","6","5","4","2","1") = "5"
    & skf21("6","1","5","6","5","4","3","1") = "5"
    & skf21("6","1","5","6","5","4","4","1") = "5"
    & skf21("6","1","5","6","5","4","5","1") = "5"
    & skf21("6","1","5","6","5","4","6","1") = "5"
    & skf21("6","1","5","6","5","4","7","1") = "6"
    & skf21("6","1","5","6","5","5","1","1") = "5"
    & skf21("6","1","5","6","5","5","2","1") = "5"
    & skf21("6","1","5","6","5","5","3","1") = "5"
    & skf21("6","1","5","6","5","5","4","1") = "5"
    & skf21("6","1","5","6","5","5","5","1") = "5"
    & skf21("6","1","5","6","5","5","6","1") = "5"
    & skf21("6","1","5","6","5","5","7","1") = "6"
    & skf21("6","1","5","6","5","6","1","1") = "5"
    & skf21("6","1","5","6","5","6","2","1") = "5"
    & skf21("6","1","5","6","5","6","3","1") = "5"
    & skf21("6","1","5","6","5","6","4","1") = "5"
    & skf21("6","1","5","6","5","6","5","1") = "5"
    & skf21("6","1","5","6","5","6","6","1") = "5"
    & skf21("6","1","5","6","5","6","7","1") = "6"
    & skf21("6","1","5","6","5","7","1","1") = "6"
    & skf21("6","1","5","6","5","7","2","1") = "6"
    & skf21("6","1","5","6","5","7","3","1") = "6"
    & skf21("6","1","5","6","5","7","4","1") = "6"
    & skf21("6","1","5","6","5","7","5","1") = "6"
    & skf21("6","1","5","6","5","7","6","1") = "6"
    & skf21("6","1","5","6","5","7","7","1") = "6"
    & skf21("6","1","5","6","6","1","1","1") = "5"
    & skf21("6","1","5","6","6","1","2","1") = "5"
    & skf21("6","1","5","6","6","1","3","1") = "5"
    & skf21("6","1","5","6","6","1","4","1") = "5"
    & skf21("6","1","5","6","6","1","5","1") = "5"
    & skf21("6","1","5","6","6","1","6","1") = "5"
    & skf21("6","1","5","6","6","1","7","1") = "6"
    & skf21("6","1","5","6","6","2","1","1") = "5"
    & skf21("6","1","5","6","6","2","2","1") = "5"
    & skf21("6","1","5","6","6","2","3","1") = "5"
    & skf21("6","1","5","6","6","2","4","1") = "5"
    & skf21("6","1","5","6","6","2","5","1") = "5"
    & skf21("6","1","5","6","6","2","6","1") = "5"
    & skf21("6","1","5","6","6","2","7","1") = "6"
    & skf21("6","1","5","6","6","3","1","1") = "5"
    & skf21("6","1","5","6","6","3","2","1") = "5"
    & skf21("6","1","5","6","6","3","3","1") = "5"
    & skf21("6","1","5","6","6","3","4","1") = "5"
    & skf21("6","1","5","6","6","3","5","1") = "5"
    & skf21("6","1","5","6","6","3","6","1") = "5"
    & skf21("6","1","5","6","6","3","7","1") = "6"
    & skf21("6","1","5","6","6","4","1","1") = "5"
    & skf21("6","1","5","6","6","4","2","1") = "5"
    & skf21("6","1","5","6","6","4","3","1") = "5"
    & skf21("6","1","5","6","6","4","4","1") = "5"
    & skf21("6","1","5","6","6","4","5","1") = "5"
    & skf21("6","1","5","6","6","4","6","1") = "5"
    & skf21("6","1","5","6","6","4","7","1") = "6"
    & skf21("6","1","5","6","6","5","1","1") = "5"
    & skf21("6","1","5","6","6","5","2","1") = "5"
    & skf21("6","1","5","6","6","5","3","1") = "5"
    & skf21("6","1","5","6","6","5","4","1") = "5"
    & skf21("6","1","5","6","6","5","5","1") = "5"
    & skf21("6","1","5","6","6","5","6","1") = "5"
    & skf21("6","1","5","6","6","5","7","1") = "6"
    & skf21("6","1","5","6","6","6","1","1") = "5"
    & skf21("6","1","5","6","6","6","2","1") = "5"
    & skf21("6","1","5","6","6","6","3","1") = "5"
    & skf21("6","1","5","6","6","6","4","1") = "5"
    & skf21("6","1","5","6","6","6","5","1") = "5"
    & skf21("6","1","5","6","6","6","6","1") = "5"
    & skf21("6","1","5","6","6","6","7","1") = "6"
    & skf21("6","1","5","6","6","7","1","1") = "6"
    & skf21("6","1","5","6","6","7","2","1") = "6"
    & skf21("6","1","5","6","6","7","3","1") = "6"
    & skf21("6","1","5","6","6","7","4","1") = "6"
    & skf21("6","1","5","6","6","7","5","1") = "6"
    & skf21("6","1","5","6","6","7","6","1") = "6"
    & skf21("6","1","5","6","6","7","7","1") = "6"
    & skf21("6","1","5","6","7","1","1","1") = "6"
    & skf21("6","1","5","6","7","1","2","1") = "6"
    & skf21("6","1","5","6","7","1","3","1") = "6"
    & skf21("6","1","5","6","7","1","4","1") = "6"
    & skf21("6","1","5","6","7","1","5","1") = "6"
    & skf21("6","1","5","6","7","1","6","1") = "6"
    & skf21("6","1","5","6","7","1","7","1") = "6"
    & skf21("6","1","5","6","7","2","1","1") = "6"
    & skf21("6","1","5","6","7","2","2","1") = "6"
    & skf21("6","1","5","6","7","2","3","1") = "6"
    & skf21("6","1","5","6","7","2","4","1") = "6"
    & skf21("6","1","5","6","7","2","5","1") = "6"
    & skf21("6","1","5","6","7","2","6","1") = "6"
    & skf21("6","1","5","6","7","2","7","1") = "6"
    & skf21("6","1","5","6","7","3","1","1") = "6"
    & skf21("6","1","5","6","7","3","2","1") = "6"
    & skf21("6","1","5","6","7","3","3","1") = "6"
    & skf21("6","1","5","6","7","3","4","1") = "6"
    & skf21("6","1","5","6","7","3","5","1") = "6"
    & skf21("6","1","5","6","7","3","6","1") = "6"
    & skf21("6","1","5","6","7","3","7","1") = "6"
    & skf21("6","1","5","6","7","4","1","1") = "6"
    & skf21("6","1","5","6","7","4","2","1") = "6"
    & skf21("6","1","5","6","7","4","3","1") = "6"
    & skf21("6","1","5","6","7","4","4","1") = "6"
    & skf21("6","1","5","6","7","4","5","1") = "6"
    & skf21("6","1","5","6","7","4","6","1") = "6"
    & skf21("6","1","5","6","7","4","7","1") = "6"
    & skf21("6","1","5","6","7","5","1","1") = "6"
    & skf21("6","1","5","6","7","5","2","1") = "6"
    & skf21("6","1","5","6","7","5","3","1") = "6"
    & skf21("6","1","5","6","7","5","4","1") = "6"
    & skf21("6","1","5","6","7","5","5","1") = "6"
    & skf21("6","1","5","6","7","5","6","1") = "6"
    & skf21("6","1","5","6","7","5","7","1") = "6"
    & skf21("6","1","5","6","7","6","1","1") = "6"
    & skf21("6","1","5","6","7","6","2","1") = "6"
    & skf21("6","1","5","6","7","6","3","1") = "6"
    & skf21("6","1","5","6","7","6","4","1") = "6"
    & skf21("6","1","5","6","7","6","5","1") = "6"
    & skf21("6","1","5","6","7","6","6","1") = "6"
    & skf21("6","1","5","6","7","6","7","1") = "6"
    & skf21("6","1","5","6","7","7","1","1") = "6"
    & skf21("6","1","5","6","7","7","2","1") = "6"
    & skf21("6","1","5","6","7","7","3","1") = "6"
    & skf21("6","1","5","6","7","7","4","1") = "6"
    & skf21("6","1","5","6","7","7","5","1") = "6"
    & skf21("6","1","5","6","7","7","6","1") = "6"
    & skf21("6","1","5","6","7","7","7","1") = "6"
    & skf21("6","1","5","7","1","1","1","1") = "6"
    & skf21("6","1","5","7","1","1","2","1") = "6"
    & skf21("6","1","5","7","1","1","3","1") = "6"
    & skf21("6","1","5","7","1","1","4","1") = "6"
    & skf21("6","1","5","7","1","1","5","1") = "6"
    & skf21("6","1","5","7","1","1","6","1") = "6"
    & skf21("6","1","5","7","1","1","7","1") = "6"
    & skf21("6","1","5","7","1","2","1","1") = "6"
    & skf21("6","1","5","7","1","2","2","1") = "6"
    & skf21("6","1","5","7","1","2","3","1") = "6"
    & skf21("6","1","5","7","1","2","4","1") = "6"
    & skf21("6","1","5","7","1","2","5","1") = "6"
    & skf21("6","1","5","7","1","2","6","1") = "6"
    & skf21("6","1","5","7","1","2","7","1") = "6"
    & skf21("6","1","5","7","1","3","1","1") = "6"
    & skf21("6","1","5","7","1","3","2","1") = "6"
    & skf21("6","1","5","7","1","3","3","1") = "6"
    & skf21("6","1","5","7","1","3","4","1") = "6"
    & skf21("6","1","5","7","1","3","5","1") = "6"
    & skf21("6","1","5","7","1","3","6","1") = "6"
    & skf21("6","1","5","7","1","3","7","1") = "6"
    & skf21("6","1","5","7","1","4","1","1") = "6"
    & skf21("6","1","5","7","1","4","2","1") = "6"
    & skf21("6","1","5","7","1","4","3","1") = "6"
    & skf21("6","1","5","7","1","4","4","1") = "6"
    & skf21("6","1","5","7","1","4","5","1") = "6"
    & skf21("6","1","5","7","1","4","6","1") = "6"
    & skf21("6","1","5","7","1","4","7","1") = "6"
    & skf21("6","1","5","7","1","5","1","1") = "6"
    & skf21("6","1","5","7","1","5","2","1") = "6"
    & skf21("6","1","5","7","1","5","3","1") = "6"
    & skf21("6","1","5","7","1","5","4","1") = "6"
    & skf21("6","1","5","7","1","5","5","1") = "6"
    & skf21("6","1","5","7","1","5","6","1") = "6"
    & skf21("6","1","5","7","1","5","7","1") = "6"
    & skf21("6","1","5","7","1","6","1","1") = "6"
    & skf21("6","1","5","7","1","6","2","1") = "6"
    & skf21("6","1","5","7","1","6","3","1") = "6"
    & skf21("6","1","5","7","1","6","4","1") = "6"
    & skf21("6","1","5","7","1","6","5","1") = "6"
    & skf21("6","1","5","7","1","6","6","1") = "6"
    & skf21("6","1","5","7","1","6","7","1") = "6"
    & skf21("6","1","5","7","1","7","1","1") = "6"
    & skf21("6","1","5","7","1","7","2","1") = "6"
    & skf21("6","1","5","7","1","7","3","1") = "6"
    & skf21("6","1","5","7","1","7","4","1") = "6"
    & skf21("6","1","5","7","1","7","5","1") = "6"
    & skf21("6","1","5","7","1","7","6","1") = "6"
    & skf21("6","1","5","7","1","7","7","1") = "6"
    & skf21("6","1","5","7","2","1","1","1") = "6"
    & skf21("6","1","5","7","2","1","2","1") = "6"
    & skf21("6","1","5","7","2","1","3","1") = "6"
    & skf21("6","1","5","7","2","1","4","1") = "6"
    & skf21("6","1","5","7","2","1","5","1") = "6"
    & skf21("6","1","5","7","2","1","6","1") = "6"
    & skf21("6","1","5","7","2","1","7","1") = "6"
    & skf21("6","1","5","7","2","2","1","1") = "6"
    & skf21("6","1","5","7","2","2","2","1") = "6"
    & skf21("6","1","5","7","2","2","3","1") = "6"
    & skf21("6","1","5","7","2","2","4","1") = "6"
    & skf21("6","1","5","7","2","2","5","1") = "6"
    & skf21("6","1","5","7","2","2","6","1") = "6"
    & skf21("6","1","5","7","2","2","7","1") = "6"
    & skf21("6","1","5","7","2","3","1","1") = "6"
    & skf21("6","1","5","7","2","3","2","1") = "6"
    & skf21("6","1","5","7","2","3","3","1") = "6"
    & skf21("6","1","5","7","2","3","4","1") = "6"
    & skf21("6","1","5","7","2","3","5","1") = "6"
    & skf21("6","1","5","7","2","3","6","1") = "6"
    & skf21("6","1","5","7","2","3","7","1") = "6"
    & skf21("6","1","5","7","2","4","1","1") = "6"
    & skf21("6","1","5","7","2","4","2","1") = "6"
    & skf21("6","1","5","7","2","4","3","1") = "6"
    & skf21("6","1","5","7","2","4","4","1") = "6"
    & skf21("6","1","5","7","2","4","5","1") = "6"
    & skf21("6","1","5","7","2","4","6","1") = "6"
    & skf21("6","1","5","7","2","4","7","1") = "6"
    & skf21("6","1","5","7","2","5","1","1") = "6"
    & skf21("6","1","5","7","2","5","2","1") = "6"
    & skf21("6","1","5","7","2","5","3","1") = "6"
    & skf21("6","1","5","7","2","5","4","1") = "6"
    & skf21("6","1","5","7","2","5","5","1") = "6"
    & skf21("6","1","5","7","2","5","6","1") = "6"
    & skf21("6","1","5","7","2","5","7","1") = "6"
    & skf21("6","1","5","7","2","6","1","1") = "6"
    & skf21("6","1","5","7","2","6","2","1") = "6"
    & skf21("6","1","5","7","2","6","3","1") = "6"
    & skf21("6","1","5","7","2","6","4","1") = "6"
    & skf21("6","1","5","7","2","6","5","1") = "6"
    & skf21("6","1","5","7","2","6","6","1") = "6"
    & skf21("6","1","5","7","2","6","7","1") = "6"
    & skf21("6","1","5","7","2","7","1","1") = "6"
    & skf21("6","1","5","7","2","7","2","1") = "6"
    & skf21("6","1","5","7","2","7","3","1") = "6"
    & skf21("6","1","5","7","2","7","4","1") = "6"
    & skf21("6","1","5","7","2","7","5","1") = "6"
    & skf21("6","1","5","7","2","7","6","1") = "6"
    & skf21("6","1","5","7","2","7","7","1") = "6"
    & skf21("6","1","5","7","3","1","1","1") = "6"
    & skf21("6","1","5","7","3","1","2","1") = "6"
    & skf21("6","1","5","7","3","1","3","1") = "6"
    & skf21("6","1","5","7","3","1","4","1") = "6"
    & skf21("6","1","5","7","3","1","5","1") = "6"
    & skf21("6","1","5","7","3","1","6","1") = "6"
    & skf21("6","1","5","7","3","1","7","1") = "6"
    & skf21("6","1","5","7","3","2","1","1") = "6"
    & skf21("6","1","5","7","3","2","2","1") = "6"
    & skf21("6","1","5","7","3","2","3","1") = "6"
    & skf21("6","1","5","7","3","2","4","1") = "6"
    & skf21("6","1","5","7","3","2","5","1") = "6"
    & skf21("6","1","5","7","3","2","6","1") = "6"
    & skf21("6","1","5","7","3","2","7","1") = "6"
    & skf21("6","1","5","7","3","3","1","1") = "6"
    & skf21("6","1","5","7","3","3","2","1") = "6"
    & skf21("6","1","5","7","3","3","3","1") = "6"
    & skf21("6","1","5","7","3","3","4","1") = "6"
    & skf21("6","1","5","7","3","3","5","1") = "6"
    & skf21("6","1","5","7","3","3","6","1") = "6"
    & skf21("6","1","5","7","3","3","7","1") = "6"
    & skf21("6","1","5","7","3","4","1","1") = "6"
    & skf21("6","1","5","7","3","4","2","1") = "6"
    & skf21("6","1","5","7","3","4","3","1") = "6"
    & skf21("6","1","5","7","3","4","4","1") = "6"
    & skf21("6","1","5","7","3","4","5","1") = "6"
    & skf21("6","1","5","7","3","4","6","1") = "6"
    & skf21("6","1","5","7","3","4","7","1") = "6"
    & skf21("6","1","5","7","3","5","1","1") = "6"
    & skf21("6","1","5","7","3","5","2","1") = "6"
    & skf21("6","1","5","7","3","5","3","1") = "6"
    & skf21("6","1","5","7","3","5","4","1") = "6"
    & skf21("6","1","5","7","3","5","5","1") = "6"
    & skf21("6","1","5","7","3","5","6","1") = "6"
    & skf21("6","1","5","7","3","5","7","1") = "6"
    & skf21("6","1","5","7","3","6","1","1") = "6"
    & skf21("6","1","5","7","3","6","2","1") = "6"
    & skf21("6","1","5","7","3","6","3","1") = "6"
    & skf21("6","1","5","7","3","6","4","1") = "6"
    & skf21("6","1","5","7","3","6","5","1") = "6"
    & skf21("6","1","5","7","3","6","6","1") = "6"
    & skf21("6","1","5","7","3","6","7","1") = "6"
    & skf21("6","1","5","7","3","7","1","1") = "6"
    & skf21("6","1","5","7","3","7","2","1") = "6"
    & skf21("6","1","5","7","3","7","3","1") = "6"
    & skf21("6","1","5","7","3","7","4","1") = "6"
    & skf21("6","1","5","7","3","7","5","1") = "6"
    & skf21("6","1","5","7","3","7","6","1") = "6"
    & skf21("6","1","5","7","3","7","7","1") = "6"
    & skf21("6","1","5","7","4","1","1","1") = "6"
    & skf21("6","1","5","7","4","1","2","1") = "6"
    & skf21("6","1","5","7","4","1","3","1") = "6"
    & skf21("6","1","5","7","4","1","4","1") = "6"
    & skf21("6","1","5","7","4","1","5","1") = "6"
    & skf21("6","1","5","7","4","1","6","1") = "6"
    & skf21("6","1","5","7","4","1","7","1") = "6"
    & skf21("6","1","5","7","4","2","1","1") = "6"
    & skf21("6","1","5","7","4","2","2","1") = "6"
    & skf21("6","1","5","7","4","2","3","1") = "6"
    & skf21("6","1","5","7","4","2","4","1") = "6"
    & skf21("6","1","5","7","4","2","5","1") = "6"
    & skf21("6","1","5","7","4","2","6","1") = "6"
    & skf21("6","1","5","7","4","2","7","1") = "6"
    & skf21("6","1","5","7","4","3","1","1") = "6"
    & skf21("6","1","5","7","4","3","2","1") = "6"
    & skf21("6","1","5","7","4","3","3","1") = "6"
    & skf21("6","1","5","7","4","3","4","1") = "6"
    & skf21("6","1","5","7","4","3","5","1") = "6"
    & skf21("6","1","5","7","4","3","6","1") = "6"
    & skf21("6","1","5","7","4","3","7","1") = "6"
    & skf21("6","1","5","7","4","4","1","1") = "6"
    & skf21("6","1","5","7","4","4","2","1") = "6"
    & skf21("6","1","5","7","4","4","3","1") = "6"
    & skf21("6","1","5","7","4","4","4","1") = "6"
    & skf21("6","1","5","7","4","4","5","1") = "6"
    & skf21("6","1","5","7","4","4","6","1") = "6"
    & skf21("6","1","5","7","4","4","7","1") = "6"
    & skf21("6","1","5","7","4","5","1","1") = "6"
    & skf21("6","1","5","7","4","5","2","1") = "6"
    & skf21("6","1","5","7","4","5","3","1") = "6"
    & skf21("6","1","5","7","4","5","4","1") = "6"
    & skf21("6","1","5","7","4","5","5","1") = "6"
    & skf21("6","1","5","7","4","5","6","1") = "6"
    & skf21("6","1","5","7","4","5","7","1") = "6"
    & skf21("6","1","5","7","4","6","1","1") = "6"
    & skf21("6","1","5","7","4","6","2","1") = "6"
    & skf21("6","1","5","7","4","6","3","1") = "6"
    & skf21("6","1","5","7","4","6","4","1") = "6"
    & skf21("6","1","5","7","4","6","5","1") = "6"
    & skf21("6","1","5","7","4","6","6","1") = "6"
    & skf21("6","1","5","7","4","6","7","1") = "6"
    & skf21("6","1","5","7","4","7","1","1") = "6"
    & skf21("6","1","5","7","4","7","2","1") = "6"
    & skf21("6","1","5","7","4","7","3","1") = "6"
    & skf21("6","1","5","7","4","7","4","1") = "6"
    & skf21("6","1","5","7","4","7","5","1") = "6"
    & skf21("6","1","5","7","4","7","6","1") = "6"
    & skf21("6","1","5","7","4","7","7","1") = "6"
    & skf21("6","1","5","7","5","1","1","1") = "6"
    & skf21("6","1","5","7","5","1","2","1") = "6"
    & skf21("6","1","5","7","5","1","3","1") = "6"
    & skf21("6","1","5","7","5","1","4","1") = "6"
    & skf21("6","1","5","7","5","1","5","1") = "6"
    & skf21("6","1","5","7","5","1","6","1") = "6"
    & skf21("6","1","5","7","5","1","7","1") = "6"
    & skf21("6","1","5","7","5","2","1","1") = "6"
    & skf21("6","1","5","7","5","2","2","1") = "6"
    & skf21("6","1","5","7","5","2","3","1") = "6"
    & skf21("6","1","5","7","5","2","4","1") = "6"
    & skf21("6","1","5","7","5","2","5","1") = "6"
    & skf21("6","1","5","7","5","2","6","1") = "6"
    & skf21("6","1","5","7","5","2","7","1") = "6"
    & skf21("6","1","5","7","5","3","1","1") = "6"
    & skf21("6","1","5","7","5","3","2","1") = "6"
    & skf21("6","1","5","7","5","3","3","1") = "6"
    & skf21("6","1","5","7","5","3","4","1") = "6"
    & skf21("6","1","5","7","5","3","5","1") = "6"
    & skf21("6","1","5","7","5","3","6","1") = "6"
    & skf21("6","1","5","7","5","3","7","1") = "6"
    & skf21("6","1","5","7","5","4","1","1") = "6"
    & skf21("6","1","5","7","5","4","2","1") = "6"
    & skf21("6","1","5","7","5","4","3","1") = "6"
    & skf21("6","1","5","7","5","4","4","1") = "6"
    & skf21("6","1","5","7","5","4","5","1") = "6"
    & skf21("6","1","5","7","5","4","6","1") = "6"
    & skf21("6","1","5","7","5","4","7","1") = "6"
    & skf21("6","1","5","7","5","5","1","1") = "6"
    & skf21("6","1","5","7","5","5","2","1") = "6"
    & skf21("6","1","5","7","5","5","3","1") = "6"
    & skf21("6","1","5","7","5","5","4","1") = "6"
    & skf21("6","1","5","7","5","5","5","1") = "6"
    & skf21("6","1","5","7","5","5","6","1") = "6"
    & skf21("6","1","5","7","5","5","7","1") = "6"
    & skf21("6","1","5","7","5","6","1","1") = "6"
    & skf21("6","1","5","7","5","6","2","1") = "6"
    & skf21("6","1","5","7","5","6","3","1") = "6"
    & skf21("6","1","5","7","5","6","4","1") = "6"
    & skf21("6","1","5","7","5","6","5","1") = "6"
    & skf21("6","1","5","7","5","6","6","1") = "6"
    & skf21("6","1","5","7","5","6","7","1") = "6"
    & skf21("6","1","5","7","5","7","1","1") = "6"
    & skf21("6","1","5","7","5","7","2","1") = "6"
    & skf21("6","1","5","7","5","7","3","1") = "6"
    & skf21("6","1","5","7","5","7","4","1") = "6"
    & skf21("6","1","5","7","5","7","5","1") = "6"
    & skf21("6","1","5","7","5","7","6","1") = "6"
    & skf21("6","1","5","7","5","7","7","1") = "6"
    & skf21("6","1","5","7","6","1","1","1") = "6"
    & skf21("6","1","5","7","6","1","2","1") = "6"
    & skf21("6","1","5","7","6","1","3","1") = "6"
    & skf21("6","1","5","7","6","1","4","1") = "6"
    & skf21("6","1","5","7","6","1","5","1") = "6"
    & skf21("6","1","5","7","6","1","6","1") = "6"
    & skf21("6","1","5","7","6","1","7","1") = "6"
    & skf21("6","1","5","7","6","2","1","1") = "6"
    & skf21("6","1","5","7","6","2","2","1") = "6"
    & skf21("6","1","5","7","6","2","3","1") = "6"
    & skf21("6","1","5","7","6","2","4","1") = "6"
    & skf21("6","1","5","7","6","2","5","1") = "6"
    & skf21("6","1","5","7","6","2","6","1") = "6"
    & skf21("6","1","5","7","6","2","7","1") = "6"
    & skf21("6","1","5","7","6","3","1","1") = "6"
    & skf21("6","1","5","7","6","3","2","1") = "6"
    & skf21("6","1","5","7","6","3","3","1") = "6"
    & skf21("6","1","5","7","6","3","4","1") = "6"
    & skf21("6","1","5","7","6","3","5","1") = "6"
    & skf21("6","1","5","7","6","3","6","1") = "6"
    & skf21("6","1","5","7","6","3","7","1") = "6"
    & skf21("6","1","5","7","6","4","1","1") = "6"
    & skf21("6","1","5","7","6","4","2","1") = "6"
    & skf21("6","1","5","7","6","4","3","1") = "6"
    & skf21("6","1","5","7","6","4","4","1") = "6"
    & skf21("6","1","5","7","6","4","5","1") = "6"
    & skf21("6","1","5","7","6","4","6","1") = "6"
    & skf21("6","1","5","7","6","4","7","1") = "6"
    & skf21("6","1","5","7","6","5","1","1") = "6"
    & skf21("6","1","5","7","6","5","2","1") = "6"
    & skf21("6","1","5","7","6","5","3","1") = "6"
    & skf21("6","1","5","7","6","5","4","1") = "6"
    & skf21("6","1","5","7","6","5","5","1") = "6"
    & skf21("6","1","5","7","6","5","6","1") = "6"
    & skf21("6","1","5","7","6","5","7","1") = "6"
    & skf21("6","1","5","7","6","6","1","1") = "6"
    & skf21("6","1","5","7","6","6","2","1") = "6"
    & skf21("6","1","5","7","6","6","3","1") = "6"
    & skf21("6","1","5","7","6","6","4","1") = "6"
    & skf21("6","1","5","7","6","6","5","1") = "6"
    & skf21("6","1","5","7","6","6","6","1") = "6"
    & skf21("6","1","5","7","6","6","7","1") = "6"
    & skf21("6","1","5","7","6","7","1","1") = "6"
    & skf21("6","1","5","7","6","7","2","1") = "6"
    & skf21("6","1","5","7","6","7","3","1") = "6"
    & skf21("6","1","5","7","6","7","4","1") = "6"
    & skf21("6","1","5","7","6","7","5","1") = "6"
    & skf21("6","1","5","7","6","7","6","1") = "6"
    & skf21("6","1","5","7","6","7","7","1") = "6"
    & skf21("6","1","5","7","7","1","1","1") = "6"
    & skf21("6","1","5","7","7","1","2","1") = "6"
    & skf21("6","1","5","7","7","1","3","1") = "6"
    & skf21("6","1","5","7","7","1","4","1") = "6"
    & skf21("6","1","5","7","7","1","5","1") = "6"
    & skf21("6","1","5","7","7","1","6","1") = "6"
    & skf21("6","1","5","7","7","1","7","1") = "6"
    & skf21("6","1","5","7","7","2","1","1") = "6"
    & skf21("6","1","5","7","7","2","2","1") = "6"
    & skf21("6","1","5","7","7","2","3","1") = "6"
    & skf21("6","1","5","7","7","2","4","1") = "6"
    & skf21("6","1","5","7","7","2","5","1") = "6"
    & skf21("6","1","5","7","7","2","6","1") = "6"
    & skf21("6","1","5","7","7","2","7","1") = "6"
    & skf21("6","1","5","7","7","3","1","1") = "6"
    & skf21("6","1","5","7","7","3","2","1") = "6"
    & skf21("6","1","5","7","7","3","3","1") = "6"
    & skf21("6","1","5","7","7","3","4","1") = "6"
    & skf21("6","1","5","7","7","3","5","1") = "6"
    & skf21("6","1","5","7","7","3","6","1") = "6"
    & skf21("6","1","5","7","7","3","7","1") = "6"
    & skf21("6","1","5","7","7","4","1","1") = "6"
    & skf21("6","1","5","7","7","4","2","1") = "6"
    & skf21("6","1","5","7","7","4","3","1") = "6"
    & skf21("6","1","5","7","7","4","4","1") = "6"
    & skf21("6","1","5","7","7","4","5","1") = "6"
    & skf21("6","1","5","7","7","4","6","1") = "6"
    & skf21("6","1","5","7","7","4","7","1") = "6"
    & skf21("6","1","5","7","7","5","1","1") = "6"
    & skf21("6","1","5","7","7","5","2","1") = "6"
    & skf21("6","1","5","7","7","5","3","1") = "6"
    & skf21("6","1","5","7","7","5","4","1") = "6"
    & skf21("6","1","5","7","7","5","5","1") = "6"
    & skf21("6","1","5","7","7","5","6","1") = "6"
    & skf21("6","1","5","7","7","5","7","1") = "6"
    & skf21("6","1","5","7","7","6","1","1") = "6"
    & skf21("6","1","5","7","7","6","2","1") = "6"
    & skf21("6","1","5","7","7","6","3","1") = "6"
    & skf21("6","1","5","7","7","6","4","1") = "6"
    & skf21("6","1","5","7","7","6","5","1") = "6"
    & skf21("6","1","5","7","7","6","6","1") = "6"
    & skf21("6","1","5","7","7","6","7","1") = "6"
    & skf21("6","1","5","7","7","7","1","1") = "6"
    & skf21("6","1","5","7","7","7","2","1") = "6"
    & skf21("6","1","5","7","7","7","3","1") = "6"
    & skf21("6","1","5","7","7","7","4","1") = "6"
    & skf21("6","1","5","7","7","7","5","1") = "6"
    & skf21("6","1","5","7","7","7","6","1") = "6"
    & skf21("6","1","5","7","7","7","7","1") = "6"
    & skf21("6","1","6","1","1","1","1","1") = "5"
    & skf21("6","1","6","1","1","1","2","1") = "5"
    & skf21("6","1","6","1","1","1","3","1") = "5"
    & skf21("6","1","6","1","1","1","4","1") = "5"
    & skf21("6","1","6","1","1","1","5","1") = "5"
    & skf21("6","1","6","1","1","1","6","1") = "5"
    & skf21("6","1","6","1","1","1","7","1") = "6"
    & skf21("6","1","6","1","1","2","1","1") = "5"
    & skf21("6","1","6","1","1","2","2","1") = "5"
    & skf21("6","1","6","1","1","2","3","1") = "5"
    & skf21("6","1","6","1","1","2","4","1") = "5"
    & skf21("6","1","6","1","1","2","5","1") = "5"
    & skf21("6","1","6","1","1","2","6","1") = "5"
    & skf21("6","1","6","1","1","2","7","1") = "6"
    & skf21("6","1","6","1","1","3","1","1") = "5"
    & skf21("6","1","6","1","1","3","2","1") = "5"
    & skf21("6","1","6","1","1","3","3","1") = "5"
    & skf21("6","1","6","1","1","3","4","1") = "5"
    & skf21("6","1","6","1","1","3","5","1") = "5"
    & skf21("6","1","6","1","1","3","6","1") = "5"
    & skf21("6","1","6","1","1","3","7","1") = "6"
    & skf21("6","1","6","1","1","4","1","1") = "5"
    & skf21("6","1","6","1","1","4","2","1") = "5"
    & skf21("6","1","6","1","1","4","3","1") = "5"
    & skf21("6","1","6","1","1","4","4","1") = "5"
    & skf21("6","1","6","1","1","4","5","1") = "5"
    & skf21("6","1","6","1","1","4","6","1") = "5"
    & skf21("6","1","6","1","1","4","7","1") = "6"
    & skf21("6","1","6","1","1","5","1","1") = "5"
    & skf21("6","1","6","1","1","5","2","1") = "5"
    & skf21("6","1","6","1","1","5","3","1") = "5"
    & skf21("6","1","6","1","1","5","4","1") = "5"
    & skf21("6","1","6","1","1","5","5","1") = "5"
    & skf21("6","1","6","1","1","5","6","1") = "5"
    & skf21("6","1","6","1","1","5","7","1") = "6"
    & skf21("6","1","6","1","1","6","1","1") = "5"
    & skf21("6","1","6","1","1","6","2","1") = "5"
    & skf21("6","1","6","1","1","6","3","1") = "5"
    & skf21("6","1","6","1","1","6","4","1") = "5"
    & skf21("6","1","6","1","1","6","5","1") = "5"
    & skf21("6","1","6","1","1","6","6","1") = "5"
    & skf21("6","1","6","1","1","6","7","1") = "6"
    & skf21("6","1","6","1","1","7","1","1") = "6"
    & skf21("6","1","6","1","1","7","2","1") = "6"
    & skf21("6","1","6","1","1","7","3","1") = "6"
    & skf21("6","1","6","1","1","7","4","1") = "6"
    & skf21("6","1","6","1","1","7","5","1") = "6"
    & skf21("6","1","6","1","1","7","6","1") = "6"
    & skf21("6","1","6","1","1","7","7","1") = "6"
    & skf21("6","1","6","1","2","1","1","1") = "5"
    & skf21("6","1","6","1","2","1","2","1") = "5"
    & skf21("6","1","6","1","2","1","3","1") = "5"
    & skf21("6","1","6","1","2","1","4","1") = "5"
    & skf21("6","1","6","1","2","1","5","1") = "5"
    & skf21("6","1","6","1","2","1","6","1") = "5"
    & skf21("6","1","6","1","2","1","7","1") = "6"
    & skf21("6","1","6","1","2","2","1","1") = "5"
    & skf21("6","1","6","1","2","2","2","1") = "5"
    & skf21("6","1","6","1","2","2","3","1") = "5"
    & skf21("6","1","6","1","2","2","4","1") = "5"
    & skf21("6","1","6","1","2","2","5","1") = "5"
    & skf21("6","1","6","1","2","2","6","1") = "5"
    & skf21("6","1","6","1","2","2","7","1") = "6"
    & skf21("6","1","6","1","2","3","1","1") = "5"
    & skf21("6","1","6","1","2","3","2","1") = "5"
    & skf21("6","1","6","1","2","3","3","1") = "5"
    & skf21("6","1","6","1","2","3","4","1") = "5"
    & skf21("6","1","6","1","2","3","5","1") = "5"
    & skf21("6","1","6","1","2","3","6","1") = "5"
    & skf21("6","1","6","1","2","3","7","1") = "6"
    & skf21("6","1","6","1","2","4","1","1") = "5"
    & skf21("6","1","6","1","2","4","2","1") = "5"
    & skf21("6","1","6","1","2","4","3","1") = "5"
    & skf21("6","1","6","1","2","4","4","1") = "5"
    & skf21("6","1","6","1","2","4","5","1") = "5"
    & skf21("6","1","6","1","2","4","6","1") = "5"
    & skf21("6","1","6","1","2","4","7","1") = "6"
    & skf21("6","1","6","1","2","5","1","1") = "5"
    & skf21("6","1","6","1","2","5","2","1") = "5"
    & skf21("6","1","6","1","2","5","3","1") = "5"
    & skf21("6","1","6","1","2","5","4","1") = "5"
    & skf21("6","1","6","1","2","5","5","1") = "5"
    & skf21("6","1","6","1","2","5","6","1") = "5"
    & skf21("6","1","6","1","2","5","7","1") = "6"
    & skf21("6","1","6","1","2","6","1","1") = "5"
    & skf21("6","1","6","1","2","6","2","1") = "5"
    & skf21("6","1","6","1","2","6","3","1") = "5"
    & skf21("6","1","6","1","2","6","4","1") = "5"
    & skf21("6","1","6","1","2","6","5","1") = "5"
    & skf21("6","1","6","1","2","6","6","1") = "5"
    & skf21("6","1","6","1","2","6","7","1") = "6"
    & skf21("6","1","6","1","2","7","1","1") = "6"
    & skf21("6","1","6","1","2","7","2","1") = "6"
    & skf21("6","1","6","1","2","7","3","1") = "6"
    & skf21("6","1","6","1","2","7","4","1") = "6"
    & skf21("6","1","6","1","2","7","5","1") = "6"
    & skf21("6","1","6","1","2","7","6","1") = "6"
    & skf21("6","1","6","1","2","7","7","1") = "6"
    & skf21("6","1","6","1","3","1","1","1") = "5"
    & skf21("6","1","6","1","3","1","2","1") = "5"
    & skf21("6","1","6","1","3","1","3","1") = "5"
    & skf21("6","1","6","1","3","1","4","1") = "5"
    & skf21("6","1","6","1","3","1","5","1") = "5"
    & skf21("6","1","6","1","3","1","6","1") = "5"
    & skf21("6","1","6","1","3","1","7","1") = "6"
    & skf21("6","1","6","1","3","2","1","1") = "5"
    & skf21("6","1","6","1","3","2","2","1") = "5"
    & skf21("6","1","6","1","3","2","3","1") = "5"
    & skf21("6","1","6","1","3","2","4","1") = "5"
    & skf21("6","1","6","1","3","2","5","1") = "5"
    & skf21("6","1","6","1","3","2","6","1") = "5"
    & skf21("6","1","6","1","3","2","7","1") = "6"
    & skf21("6","1","6","1","3","3","1","1") = "5"
    & skf21("6","1","6","1","3","3","2","1") = "5"
    & skf21("6","1","6","1","3","3","3","1") = "5"
    & skf21("6","1","6","1","3","3","4","1") = "5"
    & skf21("6","1","6","1","3","3","5","1") = "5"
    & skf21("6","1","6","1","3","3","6","1") = "5"
    & skf21("6","1","6","1","3","3","7","1") = "6"
    & skf21("6","1","6","1","3","4","1","1") = "5"
    & skf21("6","1","6","1","3","4","2","1") = "5"
    & skf21("6","1","6","1","3","4","3","1") = "5"
    & skf21("6","1","6","1","3","4","4","1") = "5"
    & skf21("6","1","6","1","3","4","5","1") = "5"
    & skf21("6","1","6","1","3","4","6","1") = "5"
    & skf21("6","1","6","1","3","4","7","1") = "6"
    & skf21("6","1","6","1","3","5","1","1") = "5"
    & skf21("6","1","6","1","3","5","2","1") = "5"
    & skf21("6","1","6","1","3","5","3","1") = "5"
    & skf21("6","1","6","1","3","5","4","1") = "5"
    & skf21("6","1","6","1","3","5","5","1") = "5"
    & skf21("6","1","6","1","3","5","6","1") = "5"
    & skf21("6","1","6","1","3","5","7","1") = "6"
    & skf21("6","1","6","1","3","6","1","1") = "5"
    & skf21("6","1","6","1","3","6","2","1") = "5"
    & skf21("6","1","6","1","3","6","3","1") = "5"
    & skf21("6","1","6","1","3","6","4","1") = "5"
    & skf21("6","1","6","1","3","6","5","1") = "5"
    & skf21("6","1","6","1","3","6","6","1") = "5"
    & skf21("6","1","6","1","3","6","7","1") = "6"
    & skf21("6","1","6","1","3","7","1","1") = "6"
    & skf21("6","1","6","1","3","7","2","1") = "6"
    & skf21("6","1","6","1","3","7","3","1") = "6"
    & skf21("6","1","6","1","3","7","4","1") = "6"
    & skf21("6","1","6","1","3","7","5","1") = "6"
    & skf21("6","1","6","1","3","7","6","1") = "6"
    & skf21("6","1","6","1","3","7","7","1") = "6"
    & skf21("6","1","6","1","4","1","1","1") = "5"
    & skf21("6","1","6","1","4","1","2","1") = "5"
    & skf21("6","1","6","1","4","1","3","1") = "5"
    & skf21("6","1","6","1","4","1","4","1") = "5"
    & skf21("6","1","6","1","4","1","5","1") = "5"
    & skf21("6","1","6","1","4","1","6","1") = "5"
    & skf21("6","1","6","1","4","1","7","1") = "6"
    & skf21("6","1","6","1","4","2","1","1") = "5"
    & skf21("6","1","6","1","4","2","2","1") = "5"
    & skf21("6","1","6","1","4","2","3","1") = "5"
    & skf21("6","1","6","1","4","2","4","1") = "5"
    & skf21("6","1","6","1","4","2","5","1") = "5"
    & skf21("6","1","6","1","4","2","6","1") = "5"
    & skf21("6","1","6","1","4","2","7","1") = "6"
    & skf21("6","1","6","1","4","3","1","1") = "5"
    & skf21("6","1","6","1","4","3","2","1") = "5"
    & skf21("6","1","6","1","4","3","3","1") = "5"
    & skf21("6","1","6","1","4","3","4","1") = "5"
    & skf21("6","1","6","1","4","3","5","1") = "5"
    & skf21("6","1","6","1","4","3","6","1") = "5"
    & skf21("6","1","6","1","4","3","7","1") = "6"
    & skf21("6","1","6","1","4","4","1","1") = "5"
    & skf21("6","1","6","1","4","4","2","1") = "5"
    & skf21("6","1","6","1","4","4","3","1") = "5"
    & skf21("6","1","6","1","4","4","4","1") = "5"
    & skf21("6","1","6","1","4","4","5","1") = "5"
    & skf21("6","1","6","1","4","4","6","1") = "5"
    & skf21("6","1","6","1","4","4","7","1") = "6"
    & skf21("6","1","6","1","4","5","1","1") = "5"
    & skf21("6","1","6","1","4","5","2","1") = "5"
    & skf21("6","1","6","1","4","5","3","1") = "5"
    & skf21("6","1","6","1","4","5","4","1") = "5"
    & skf21("6","1","6","1","4","5","5","1") = "5"
    & skf21("6","1","6","1","4","5","6","1") = "5"
    & skf21("6","1","6","1","4","5","7","1") = "6"
    & skf21("6","1","6","1","4","6","1","1") = "5"
    & skf21("6","1","6","1","4","6","2","1") = "5"
    & skf21("6","1","6","1","4","6","3","1") = "5"
    & skf21("6","1","6","1","4","6","4","1") = "5"
    & skf21("6","1","6","1","4","6","5","1") = "5"
    & skf21("6","1","6","1","4","6","6","1") = "5"
    & skf21("6","1","6","1","4","6","7","1") = "6"
    & skf21("6","1","6","1","4","7","1","1") = "6"
    & skf21("6","1","6","1","4","7","2","1") = "6"
    & skf21("6","1","6","1","4","7","3","1") = "6"
    & skf21("6","1","6","1","4","7","4","1") = "6"
    & skf21("6","1","6","1","4","7","5","1") = "6"
    & skf21("6","1","6","1","4","7","6","1") = "6"
    & skf21("6","1","6","1","4","7","7","1") = "6"
    & skf21("6","1","6","1","5","1","1","1") = "5"
    & skf21("6","1","6","1","5","1","2","1") = "5"
    & skf21("6","1","6","1","5","1","3","1") = "5"
    & skf21("6","1","6","1","5","1","4","1") = "5"
    & skf21("6","1","6","1","5","1","5","1") = "5"
    & skf21("6","1","6","1","5","1","6","1") = "5"
    & skf21("6","1","6","1","5","1","7","1") = "6"
    & skf21("6","1","6","1","5","2","1","1") = "5"
    & skf21("6","1","6","1","5","2","2","1") = "5"
    & skf21("6","1","6","1","5","2","3","1") = "5"
    & skf21("6","1","6","1","5","2","4","1") = "5"
    & skf21("6","1","6","1","5","2","5","1") = "5"
    & skf21("6","1","6","1","5","2","6","1") = "5"
    & skf21("6","1","6","1","5","2","7","1") = "6"
    & skf21("6","1","6","1","5","3","1","1") = "5"
    & skf21("6","1","6","1","5","3","2","1") = "5"
    & skf21("6","1","6","1","5","3","3","1") = "5"
    & skf21("6","1","6","1","5","3","4","1") = "5"
    & skf21("6","1","6","1","5","3","5","1") = "5"
    & skf21("6","1","6","1","5","3","6","1") = "5"
    & skf21("6","1","6","1","5","3","7","1") = "6"
    & skf21("6","1","6","1","5","4","1","1") = "5"
    & skf21("6","1","6","1","5","4","2","1") = "5"
    & skf21("6","1","6","1","5","4","3","1") = "5"
    & skf21("6","1","6","1","5","4","4","1") = "5"
    & skf21("6","1","6","1","5","4","5","1") = "5"
    & skf21("6","1","6","1","5","4","6","1") = "5"
    & skf21("6","1","6","1","5","4","7","1") = "6"
    & skf21("6","1","6","1","5","5","1","1") = "5"
    & skf21("6","1","6","1","5","5","2","1") = "5"
    & skf21("6","1","6","1","5","5","3","1") = "5"
    & skf21("6","1","6","1","5","5","4","1") = "5"
    & skf21("6","1","6","1","5","5","5","1") = "5"
    & skf21("6","1","6","1","5","5","6","1") = "5"
    & skf21("6","1","6","1","5","5","7","1") = "6"
    & skf21("6","1","6","1","5","6","1","1") = "5"
    & skf21("6","1","6","1","5","6","2","1") = "5"
    & skf21("6","1","6","1","5","6","3","1") = "5"
    & skf21("6","1","6","1","5","6","4","1") = "5"
    & skf21("6","1","6","1","5","6","5","1") = "5"
    & skf21("6","1","6","1","5","6","6","1") = "5"
    & skf21("6","1","6","1","5","6","7","1") = "6"
    & skf21("6","1","6","1","5","7","1","1") = "6"
    & skf21("6","1","6","1","5","7","2","1") = "6"
    & skf21("6","1","6","1","5","7","3","1") = "6"
    & skf21("6","1","6","1","5","7","4","1") = "6"
    & skf21("6","1","6","1","5","7","5","1") = "6"
    & skf21("6","1","6","1","5","7","6","1") = "6"
    & skf21("6","1","6","1","5","7","7","1") = "6"
    & skf21("6","1","6","1","6","1","1","1") = "5"
    & skf21("6","1","6","1","6","1","2","1") = "5"
    & skf21("6","1","6","1","6","1","3","1") = "5"
    & skf21("6","1","6","1","6","1","4","1") = "5"
    & skf21("6","1","6","1","6","1","5","1") = "5"
    & skf21("6","1","6","1","6","1","6","1") = "5"
    & skf21("6","1","6","1","6","1","7","1") = "6"
    & skf21("6","1","6","1","6","2","1","1") = "5"
    & skf21("6","1","6","1","6","2","2","1") = "5"
    & skf21("6","1","6","1","6","2","3","1") = "5"
    & skf21("6","1","6","1","6","2","4","1") = "5"
    & skf21("6","1","6","1","6","2","5","1") = "5"
    & skf21("6","1","6","1","6","2","6","1") = "5"
    & skf21("6","1","6","1","6","2","7","1") = "6"
    & skf21("6","1","6","1","6","3","1","1") = "5"
    & skf21("6","1","6","1","6","3","2","1") = "5"
    & skf21("6","1","6","1","6","3","3","1") = "5"
    & skf21("6","1","6","1","6","3","4","1") = "5"
    & skf21("6","1","6","1","6","3","5","1") = "5"
    & skf21("6","1","6","1","6","3","6","1") = "5"
    & skf21("6","1","6","1","6","3","7","1") = "6"
    & skf21("6","1","6","1","6","4","1","1") = "5"
    & skf21("6","1","6","1","6","4","2","1") = "5"
    & skf21("6","1","6","1","6","4","3","1") = "5"
    & skf21("6","1","6","1","6","4","4","1") = "5"
    & skf21("6","1","6","1","6","4","5","1") = "5"
    & skf21("6","1","6","1","6","4","6","1") = "5"
    & skf21("6","1","6","1","6","4","7","1") = "6"
    & skf21("6","1","6","1","6","5","1","1") = "5"
    & skf21("6","1","6","1","6","5","2","1") = "5"
    & skf21("6","1","6","1","6","5","3","1") = "5"
    & skf21("6","1","6","1","6","5","4","1") = "5"
    & skf21("6","1","6","1","6","5","5","1") = "5"
    & skf21("6","1","6","1","6","5","6","1") = "5"
    & skf21("6","1","6","1","6","5","7","1") = "6"
    & skf21("6","1","6","1","6","6","1","1") = "5"
    & skf21("6","1","6","1","6","6","2","1") = "5"
    & skf21("6","1","6","1","6","6","3","1") = "5"
    & skf21("6","1","6","1","6","6","4","1") = "5"
    & skf21("6","1","6","1","6","6","5","1") = "5"
    & skf21("6","1","6","1","6","6","6","1") = "5"
    & skf21("6","1","6","1","6","6","7","1") = "6"
    & skf21("6","1","6","1","6","7","1","1") = "6"
    & skf21("6","1","6","1","6","7","2","1") = "6"
    & skf21("6","1","6","1","6","7","3","1") = "6"
    & skf21("6","1","6","1","6","7","4","1") = "6"
    & skf21("6","1","6","1","6","7","5","1") = "6"
    & skf21("6","1","6","1","6","7","6","1") = "6"
    & skf21("6","1","6","1","6","7","7","1") = "6"
    & skf21("6","1","6","1","7","1","1","1") = "6"
    & skf21("6","1","6","1","7","1","2","1") = "6"
    & skf21("6","1","6","1","7","1","3","1") = "6"
    & skf21("6","1","6","1","7","1","4","1") = "6"
    & skf21("6","1","6","1","7","1","5","1") = "6"
    & skf21("6","1","6","1","7","1","6","1") = "6"
    & skf21("6","1","6","1","7","1","7","1") = "6"
    & skf21("6","1","6","1","7","2","1","1") = "6"
    & skf21("6","1","6","1","7","2","2","1") = "6"
    & skf21("6","1","6","1","7","2","3","1") = "6"
    & skf21("6","1","6","1","7","2","4","1") = "6"
    & skf21("6","1","6","1","7","2","5","1") = "6"
    & skf21("6","1","6","1","7","2","6","1") = "6"
    & skf21("6","1","6","1","7","2","7","1") = "6"
    & skf21("6","1","6","1","7","3","1","1") = "6"
    & skf21("6","1","6","1","7","3","2","1") = "6"
    & skf21("6","1","6","1","7","3","3","1") = "6"
    & skf21("6","1","6","1","7","3","4","1") = "6"
    & skf21("6","1","6","1","7","3","5","1") = "6"
    & skf21("6","1","6","1","7","3","6","1") = "6"
    & skf21("6","1","6","1","7","3","7","1") = "6"
    & skf21("6","1","6","1","7","4","1","1") = "6"
    & skf21("6","1","6","1","7","4","2","1") = "6"
    & skf21("6","1","6","1","7","4","3","1") = "6"
    & skf21("6","1","6","1","7","4","4","1") = "6"
    & skf21("6","1","6","1","7","4","5","1") = "6"
    & skf21("6","1","6","1","7","4","6","1") = "6"
    & skf21("6","1","6","1","7","4","7","1") = "6"
    & skf21("6","1","6","1","7","5","1","1") = "6"
    & skf21("6","1","6","1","7","5","2","1") = "6"
    & skf21("6","1","6","1","7","5","3","1") = "6"
    & skf21("6","1","6","1","7","5","4","1") = "6"
    & skf21("6","1","6","1","7","5","5","1") = "6"
    & skf21("6","1","6","1","7","5","6","1") = "6"
    & skf21("6","1","6","1","7","5","7","1") = "6"
    & skf21("6","1","6","1","7","6","1","1") = "6"
    & skf21("6","1","6","1","7","6","2","1") = "6"
    & skf21("6","1","6","1","7","6","3","1") = "6"
    & skf21("6","1","6","1","7","6","4","1") = "6"
    & skf21("6","1","6","1","7","6","5","1") = "6"
    & skf21("6","1","6","1","7","6","6","1") = "6"
    & skf21("6","1","6","1","7","6","7","1") = "6"
    & skf21("6","1","6","1","7","7","1","1") = "6"
    & skf21("6","1","6","1","7","7","2","1") = "6"
    & skf21("6","1","6","1","7","7","3","1") = "6"
    & skf21("6","1","6","1","7","7","4","1") = "6"
    & skf21("6","1","6","1","7","7","5","1") = "6"
    & skf21("6","1","6","1","7","7","6","1") = "6"
    & skf21("6","1","6","1","7","7","7","1") = "6"
    & skf21("6","1","6","2","1","1","1","1") = "5"
    & skf21("6","1","6","2","1","1","2","1") = "5"
    & skf21("6","1","6","2","1","1","3","1") = "5"
    & skf21("6","1","6","2","1","1","4","1") = "5"
    & skf21("6","1","6","2","1","1","5","1") = "5"
    & skf21("6","1","6","2","1","1","6","1") = "5"
    & skf21("6","1","6","2","1","1","7","1") = "6"
    & skf21("6","1","6","2","1","2","1","1") = "5"
    & skf21("6","1","6","2","1","2","2","1") = "5"
    & skf21("6","1","6","2","1","2","3","1") = "5"
    & skf21("6","1","6","2","1","2","4","1") = "5"
    & skf21("6","1","6","2","1","2","5","1") = "5"
    & skf21("6","1","6","2","1","2","6","1") = "5"
    & skf21("6","1","6","2","1","2","7","1") = "6"
    & skf21("6","1","6","2","1","3","1","1") = "5"
    & skf21("6","1","6","2","1","3","2","1") = "5"
    & skf21("6","1","6","2","1","3","3","1") = "5"
    & skf21("6","1","6","2","1","3","4","1") = "5"
    & skf21("6","1","6","2","1","3","5","1") = "5"
    & skf21("6","1","6","2","1","3","6","1") = "5"
    & skf21("6","1","6","2","1","3","7","1") = "6"
    & skf21("6","1","6","2","1","4","1","1") = "5"
    & skf21("6","1","6","2","1","4","2","1") = "5"
    & skf21("6","1","6","2","1","4","3","1") = "5"
    & skf21("6","1","6","2","1","4","4","1") = "5"
    & skf21("6","1","6","2","1","4","5","1") = "5"
    & skf21("6","1","6","2","1","4","6","1") = "5"
    & skf21("6","1","6","2","1","4","7","1") = "6"
    & skf21("6","1","6","2","1","5","1","1") = "5"
    & skf21("6","1","6","2","1","5","2","1") = "5"
    & skf21("6","1","6","2","1","5","3","1") = "5"
    & skf21("6","1","6","2","1","5","4","1") = "5"
    & skf21("6","1","6","2","1","5","5","1") = "5"
    & skf21("6","1","6","2","1","5","6","1") = "5"
    & skf21("6","1","6","2","1","5","7","1") = "6"
    & skf21("6","1","6","2","1","6","1","1") = "5"
    & skf21("6","1","6","2","1","6","2","1") = "5"
    & skf21("6","1","6","2","1","6","3","1") = "5"
    & skf21("6","1","6","2","1","6","4","1") = "5"
    & skf21("6","1","6","2","1","6","5","1") = "5"
    & skf21("6","1","6","2","1","6","6","1") = "5"
    & skf21("6","1","6","2","1","6","7","1") = "6"
    & skf21("6","1","6","2","1","7","1","1") = "6"
    & skf21("6","1","6","2","1","7","2","1") = "6"
    & skf21("6","1","6","2","1","7","3","1") = "6"
    & skf21("6","1","6","2","1","7","4","1") = "6"
    & skf21("6","1","6","2","1","7","5","1") = "6"
    & skf21("6","1","6","2","1","7","6","1") = "6"
    & skf21("6","1","6","2","1","7","7","1") = "6"
    & skf21("6","1","6","2","2","1","1","1") = "5"
    & skf21("6","1","6","2","2","1","2","1") = "5"
    & skf21("6","1","6","2","2","1","3","1") = "5"
    & skf21("6","1","6","2","2","1","4","1") = "5"
    & skf21("6","1","6","2","2","1","5","1") = "5"
    & skf21("6","1","6","2","2","1","6","1") = "5"
    & skf21("6","1","6","2","2","1","7","1") = "6"
    & skf21("6","1","6","2","2","2","1","1") = "5"
    & skf21("6","1","6","2","2","2","2","1") = "5"
    & skf21("6","1","6","2","2","2","3","1") = "5"
    & skf21("6","1","6","2","2","2","4","1") = "5"
    & skf21("6","1","6","2","2","2","5","1") = "5"
    & skf21("6","1","6","2","2","2","6","1") = "5"
    & skf21("6","1","6","2","2","2","7","1") = "6"
    & skf21("6","1","6","2","2","3","1","1") = "5"
    & skf21("6","1","6","2","2","3","2","1") = "5"
    & skf21("6","1","6","2","2","3","3","1") = "5"
    & skf21("6","1","6","2","2","3","4","1") = "5"
    & skf21("6","1","6","2","2","3","5","1") = "5"
    & skf21("6","1","6","2","2","3","6","1") = "5"
    & skf21("6","1","6","2","2","3","7","1") = "6"
    & skf21("6","1","6","2","2","4","1","1") = "5"
    & skf21("6","1","6","2","2","4","2","1") = "5"
    & skf21("6","1","6","2","2","4","3","1") = "5"
    & skf21("6","1","6","2","2","4","4","1") = "5"
    & skf21("6","1","6","2","2","4","5","1") = "5"
    & skf21("6","1","6","2","2","4","6","1") = "5"
    & skf21("6","1","6","2","2","4","7","1") = "6"
    & skf21("6","1","6","2","2","5","1","1") = "5"
    & skf21("6","1","6","2","2","5","2","1") = "5"
    & skf21("6","1","6","2","2","5","3","1") = "5"
    & skf21("6","1","6","2","2","5","4","1") = "5"
    & skf21("6","1","6","2","2","5","5","1") = "5"
    & skf21("6","1","6","2","2","5","6","1") = "5"
    & skf21("6","1","6","2","2","5","7","1") = "6"
    & skf21("6","1","6","2","2","6","1","1") = "5"
    & skf21("6","1","6","2","2","6","2","1") = "5"
    & skf21("6","1","6","2","2","6","3","1") = "5"
    & skf21("6","1","6","2","2","6","4","1") = "5"
    & skf21("6","1","6","2","2","6","5","1") = "5"
    & skf21("6","1","6","2","2","6","6","1") = "5"
    & skf21("6","1","6","2","2","6","7","1") = "6"
    & skf21("6","1","6","2","2","7","1","1") = "6"
    & skf21("6","1","6","2","2","7","2","1") = "6"
    & skf21("6","1","6","2","2","7","3","1") = "6"
    & skf21("6","1","6","2","2","7","4","1") = "6"
    & skf21("6","1","6","2","2","7","5","1") = "6"
    & skf21("6","1","6","2","2","7","6","1") = "6"
    & skf21("6","1","6","2","2","7","7","1") = "6"
    & skf21("6","1","6","2","3","1","1","1") = "5"
    & skf21("6","1","6","2","3","1","2","1") = "5"
    & skf21("6","1","6","2","3","1","3","1") = "5"
    & skf21("6","1","6","2","3","1","4","1") = "5"
    & skf21("6","1","6","2","3","1","5","1") = "5"
    & skf21("6","1","6","2","3","1","6","1") = "5"
    & skf21("6","1","6","2","3","1","7","1") = "6"
    & skf21("6","1","6","2","3","2","1","1") = "5"
    & skf21("6","1","6","2","3","2","2","1") = "5"
    & skf21("6","1","6","2","3","2","3","1") = "5"
    & skf21("6","1","6","2","3","2","4","1") = "5"
    & skf21("6","1","6","2","3","2","5","1") = "5"
    & skf21("6","1","6","2","3","2","6","1") = "5"
    & skf21("6","1","6","2","3","2","7","1") = "6"
    & skf21("6","1","6","2","3","3","1","1") = "5"
    & skf21("6","1","6","2","3","3","2","1") = "5"
    & skf21("6","1","6","2","3","3","3","1") = "5"
    & skf21("6","1","6","2","3","3","4","1") = "5"
    & skf21("6","1","6","2","3","3","5","1") = "5"
    & skf21("6","1","6","2","3","3","6","1") = "5"
    & skf21("6","1","6","2","3","3","7","1") = "6"
    & skf21("6","1","6","2","3","4","1","1") = "5"
    & skf21("6","1","6","2","3","4","2","1") = "5"
    & skf21("6","1","6","2","3","4","3","1") = "5"
    & skf21("6","1","6","2","3","4","4","1") = "5"
    & skf21("6","1","6","2","3","4","5","1") = "5"
    & skf21("6","1","6","2","3","4","6","1") = "5"
    & skf21("6","1","6","2","3","4","7","1") = "6"
    & skf21("6","1","6","2","3","5","1","1") = "5"
    & skf21("6","1","6","2","3","5","2","1") = "5"
    & skf21("6","1","6","2","3","5","3","1") = "5"
    & skf21("6","1","6","2","3","5","4","1") = "5"
    & skf21("6","1","6","2","3","5","5","1") = "5"
    & skf21("6","1","6","2","3","5","6","1") = "5"
    & skf21("6","1","6","2","3","5","7","1") = "6"
    & skf21("6","1","6","2","3","6","1","1") = "5"
    & skf21("6","1","6","2","3","6","2","1") = "5"
    & skf21("6","1","6","2","3","6","3","1") = "5"
    & skf21("6","1","6","2","3","6","4","1") = "5"
    & skf21("6","1","6","2","3","6","5","1") = "5"
    & skf21("6","1","6","2","3","6","6","1") = "5"
    & skf21("6","1","6","2","3","6","7","1") = "6"
    & skf21("6","1","6","2","3","7","1","1") = "6"
    & skf21("6","1","6","2","3","7","2","1") = "6"
    & skf21("6","1","6","2","3","7","3","1") = "6"
    & skf21("6","1","6","2","3","7","4","1") = "6"
    & skf21("6","1","6","2","3","7","5","1") = "6"
    & skf21("6","1","6","2","3","7","6","1") = "6"
    & skf21("6","1","6","2","3","7","7","1") = "6"
    & skf21("6","1","6","2","4","1","1","1") = "5"
    & skf21("6","1","6","2","4","1","2","1") = "5"
    & skf21("6","1","6","2","4","1","3","1") = "5"
    & skf21("6","1","6","2","4","1","4","1") = "5"
    & skf21("6","1","6","2","4","1","5","1") = "5"
    & skf21("6","1","6","2","4","1","6","1") = "5"
    & skf21("6","1","6","2","4","1","7","1") = "6"
    & skf21("6","1","6","2","4","2","1","1") = "5"
    & skf21("6","1","6","2","4","2","2","1") = "5"
    & skf21("6","1","6","2","4","2","3","1") = "5"
    & skf21("6","1","6","2","4","2","4","1") = "5"
    & skf21("6","1","6","2","4","2","5","1") = "5"
    & skf21("6","1","6","2","4","2","6","1") = "5"
    & skf21("6","1","6","2","4","2","7","1") = "6"
    & skf21("6","1","6","2","4","3","1","1") = "5"
    & skf21("6","1","6","2","4","3","2","1") = "5"
    & skf21("6","1","6","2","4","3","3","1") = "5"
    & skf21("6","1","6","2","4","3","4","1") = "5"
    & skf21("6","1","6","2","4","3","5","1") = "5"
    & skf21("6","1","6","2","4","3","6","1") = "5"
    & skf21("6","1","6","2","4","3","7","1") = "6"
    & skf21("6","1","6","2","4","4","1","1") = "5"
    & skf21("6","1","6","2","4","4","2","1") = "5"
    & skf21("6","1","6","2","4","4","3","1") = "5"
    & skf21("6","1","6","2","4","4","4","1") = "5"
    & skf21("6","1","6","2","4","4","5","1") = "5"
    & skf21("6","1","6","2","4","4","6","1") = "5"
    & skf21("6","1","6","2","4","4","7","1") = "6"
    & skf21("6","1","6","2","4","5","1","1") = "5"
    & skf21("6","1","6","2","4","5","2","1") = "5"
    & skf21("6","1","6","2","4","5","3","1") = "5"
    & skf21("6","1","6","2","4","5","4","1") = "5"
    & skf21("6","1","6","2","4","5","5","1") = "5"
    & skf21("6","1","6","2","4","5","6","1") = "5"
    & skf21("6","1","6","2","4","5","7","1") = "6"
    & skf21("6","1","6","2","4","6","1","1") = "5"
    & skf21("6","1","6","2","4","6","2","1") = "5"
    & skf21("6","1","6","2","4","6","3","1") = "5"
    & skf21("6","1","6","2","4","6","4","1") = "5"
    & skf21("6","1","6","2","4","6","5","1") = "5"
    & skf21("6","1","6","2","4","6","6","1") = "5"
    & skf21("6","1","6","2","4","6","7","1") = "6"
    & skf21("6","1","6","2","4","7","1","1") = "6"
    & skf21("6","1","6","2","4","7","2","1") = "6"
    & skf21("6","1","6","2","4","7","3","1") = "6"
    & skf21("6","1","6","2","4","7","4","1") = "6"
    & skf21("6","1","6","2","4","7","5","1") = "6"
    & skf21("6","1","6","2","4","7","6","1") = "6"
    & skf21("6","1","6","2","4","7","7","1") = "6"
    & skf21("6","1","6","2","5","1","1","1") = "5"
    & skf21("6","1","6","2","5","1","2","1") = "5"
    & skf21("6","1","6","2","5","1","3","1") = "5"
    & skf21("6","1","6","2","5","1","4","1") = "5"
    & skf21("6","1","6","2","5","1","5","1") = "5"
    & skf21("6","1","6","2","5","1","6","1") = "5"
    & skf21("6","1","6","2","5","1","7","1") = "6"
    & skf21("6","1","6","2","5","2","1","1") = "5"
    & skf21("6","1","6","2","5","2","2","1") = "5"
    & skf21("6","1","6","2","5","2","3","1") = "5"
    & skf21("6","1","6","2","5","2","4","1") = "5"
    & skf21("6","1","6","2","5","2","5","1") = "5"
    & skf21("6","1","6","2","5","2","6","1") = "5"
    & skf21("6","1","6","2","5","2","7","1") = "6"
    & skf21("6","1","6","2","5","3","1","1") = "5"
    & skf21("6","1","6","2","5","3","2","1") = "5"
    & skf21("6","1","6","2","5","3","3","1") = "5"
    & skf21("6","1","6","2","5","3","4","1") = "5"
    & skf21("6","1","6","2","5","3","5","1") = "5"
    & skf21("6","1","6","2","5","3","6","1") = "5"
    & skf21("6","1","6","2","5","3","7","1") = "6"
    & skf21("6","1","6","2","5","4","1","1") = "5"
    & skf21("6","1","6","2","5","4","2","1") = "5"
    & skf21("6","1","6","2","5","4","3","1") = "5"
    & skf21("6","1","6","2","5","4","4","1") = "5"
    & skf21("6","1","6","2","5","4","5","1") = "5"
    & skf21("6","1","6","2","5","4","6","1") = "5"
    & skf21("6","1","6","2","5","4","7","1") = "6"
    & skf21("6","1","6","2","5","5","1","1") = "5"
    & skf21("6","1","6","2","5","5","2","1") = "5"
    & skf21("6","1","6","2","5","5","3","1") = "5"
    & skf21("6","1","6","2","5","5","4","1") = "5"
    & skf21("6","1","6","2","5","5","5","1") = "5"
    & skf21("6","1","6","2","5","5","6","1") = "5"
    & skf21("6","1","6","2","5","5","7","1") = "6"
    & skf21("6","1","6","2","5","6","1","1") = "5"
    & skf21("6","1","6","2","5","6","2","1") = "5"
    & skf21("6","1","6","2","5","6","3","1") = "5"
    & skf21("6","1","6","2","5","6","4","1") = "5"
    & skf21("6","1","6","2","5","6","5","1") = "5"
    & skf21("6","1","6","2","5","6","6","1") = "5"
    & skf21("6","1","6","2","5","6","7","1") = "6"
    & skf21("6","1","6","2","5","7","1","1") = "6"
    & skf21("6","1","6","2","5","7","2","1") = "6"
    & skf21("6","1","6","2","5","7","3","1") = "6"
    & skf21("6","1","6","2","5","7","4","1") = "6"
    & skf21("6","1","6","2","5","7","5","1") = "6"
    & skf21("6","1","6","2","5","7","6","1") = "6"
    & skf21("6","1","6","2","5","7","7","1") = "6"
    & skf21("6","1","6","2","6","1","1","1") = "5"
    & skf21("6","1","6","2","6","1","2","1") = "5"
    & skf21("6","1","6","2","6","1","3","1") = "5"
    & skf21("6","1","6","2","6","1","4","1") = "5"
    & skf21("6","1","6","2","6","1","5","1") = "5"
    & skf21("6","1","6","2","6","1","6","1") = "5"
    & skf21("6","1","6","2","6","1","7","1") = "6"
    & skf21("6","1","6","2","6","2","1","1") = "5"
    & skf21("6","1","6","2","6","2","2","1") = "5"
    & skf21("6","1","6","2","6","2","3","1") = "5"
    & skf21("6","1","6","2","6","2","4","1") = "5"
    & skf21("6","1","6","2","6","2","5","1") = "5"
    & skf21("6","1","6","2","6","2","6","1") = "5"
    & skf21("6","1","6","2","6","2","7","1") = "6"
    & skf21("6","1","6","2","6","3","1","1") = "5"
    & skf21("6","1","6","2","6","3","2","1") = "5"
    & skf21("6","1","6","2","6","3","3","1") = "5"
    & skf21("6","1","6","2","6","3","4","1") = "5"
    & skf21("6","1","6","2","6","3","5","1") = "5"
    & skf21("6","1","6","2","6","3","6","1") = "5"
    & skf21("6","1","6","2","6","3","7","1") = "6"
    & skf21("6","1","6","2","6","4","1","1") = "5"
    & skf21("6","1","6","2","6","4","2","1") = "5"
    & skf21("6","1","6","2","6","4","3","1") = "5"
    & skf21("6","1","6","2","6","4","4","1") = "5"
    & skf21("6","1","6","2","6","4","5","1") = "5"
    & skf21("6","1","6","2","6","4","6","1") = "5"
    & skf21("6","1","6","2","6","4","7","1") = "6"
    & skf21("6","1","6","2","6","5","1","1") = "5"
    & skf21("6","1","6","2","6","5","2","1") = "5"
    & skf21("6","1","6","2","6","5","3","1") = "5"
    & skf21("6","1","6","2","6","5","4","1") = "5"
    & skf21("6","1","6","2","6","5","5","1") = "5"
    & skf21("6","1","6","2","6","5","6","1") = "5"
    & skf21("6","1","6","2","6","5","7","1") = "6"
    & skf21("6","1","6","2","6","6","1","1") = "5"
    & skf21("6","1","6","2","6","6","2","1") = "5"
    & skf21("6","1","6","2","6","6","3","1") = "5"
    & skf21("6","1","6","2","6","6","4","1") = "5"
    & skf21("6","1","6","2","6","6","5","1") = "5"
    & skf21("6","1","6","2","6","6","6","1") = "5"
    & skf21("6","1","6","2","6","6","7","1") = "6"
    & skf21("6","1","6","2","6","7","1","1") = "6"
    & skf21("6","1","6","2","6","7","2","1") = "6"
    & skf21("6","1","6","2","6","7","3","1") = "6"
    & skf21("6","1","6","2","6","7","4","1") = "6"
    & skf21("6","1","6","2","6","7","5","1") = "6"
    & skf21("6","1","6","2","6","7","6","1") = "6"
    & skf21("6","1","6","2","6","7","7","1") = "6"
    & skf21("6","1","6","2","7","1","1","1") = "6"
    & skf21("6","1","6","2","7","1","2","1") = "6"
    & skf21("6","1","6","2","7","1","3","1") = "6"
    & skf21("6","1","6","2","7","1","4","1") = "6"
    & skf21("6","1","6","2","7","1","5","1") = "6"
    & skf21("6","1","6","2","7","1","6","1") = "6"
    & skf21("6","1","6","2","7","1","7","1") = "6"
    & skf21("6","1","6","2","7","2","1","1") = "6"
    & skf21("6","1","6","2","7","2","2","1") = "6"
    & skf21("6","1","6","2","7","2","3","1") = "6"
    & skf21("6","1","6","2","7","2","4","1") = "6"
    & skf21("6","1","6","2","7","2","5","1") = "6"
    & skf21("6","1","6","2","7","2","6","1") = "6"
    & skf21("6","1","6","2","7","2","7","1") = "6"
    & skf21("6","1","6","2","7","3","1","1") = "6"
    & skf21("6","1","6","2","7","3","2","1") = "6"
    & skf21("6","1","6","2","7","3","3","1") = "6"
    & skf21("6","1","6","2","7","3","4","1") = "6"
    & skf21("6","1","6","2","7","3","5","1") = "6"
    & skf21("6","1","6","2","7","3","6","1") = "6"
    & skf21("6","1","6","2","7","3","7","1") = "6"
    & skf21("6","1","6","2","7","4","1","1") = "6"
    & skf21("6","1","6","2","7","4","2","1") = "6"
    & skf21("6","1","6","2","7","4","3","1") = "6"
    & skf21("6","1","6","2","7","4","4","1") = "6"
    & skf21("6","1","6","2","7","4","5","1") = "6"
    & skf21("6","1","6","2","7","4","6","1") = "6"
    & skf21("6","1","6","2","7","4","7","1") = "6"
    & skf21("6","1","6","2","7","5","1","1") = "6"
    & skf21("6","1","6","2","7","5","2","1") = "6"
    & skf21("6","1","6","2","7","5","3","1") = "6"
    & skf21("6","1","6","2","7","5","4","1") = "6"
    & skf21("6","1","6","2","7","5","5","1") = "6"
    & skf21("6","1","6","2","7","5","6","1") = "6"
    & skf21("6","1","6","2","7","5","7","1") = "6"
    & skf21("6","1","6","2","7","6","1","1") = "6"
    & skf21("6","1","6","2","7","6","2","1") = "6"
    & skf21("6","1","6","2","7","6","3","1") = "6"
    & skf21("6","1","6","2","7","6","4","1") = "6"
    & skf21("6","1","6","2","7","6","5","1") = "6"
    & skf21("6","1","6","2","7","6","6","1") = "6"
    & skf21("6","1","6","2","7","6","7","1") = "6"
    & skf21("6","1","6","2","7","7","1","1") = "6"
    & skf21("6","1","6","2","7","7","2","1") = "6"
    & skf21("6","1","6","2","7","7","3","1") = "6"
    & skf21("6","1","6","2","7","7","4","1") = "6"
    & skf21("6","1","6","2","7","7","5","1") = "6"
    & skf21("6","1","6","2","7","7","6","1") = "6"
    & skf21("6","1","6","2","7","7","7","1") = "6"
    & skf21("6","1","6","3","1","1","1","1") = "5"
    & skf21("6","1","6","3","1","1","2","1") = "5"
    & skf21("6","1","6","3","1","1","3","1") = "5"
    & skf21("6","1","6","3","1","1","4","1") = "5"
    & skf21("6","1","6","3","1","1","5","1") = "5"
    & skf21("6","1","6","3","1","1","6","1") = "5"
    & skf21("6","1","6","3","1","1","7","1") = "6"
    & skf21("6","1","6","3","1","2","1","1") = "5"
    & skf21("6","1","6","3","1","2","2","1") = "5"
    & skf21("6","1","6","3","1","2","3","1") = "5"
    & skf21("6","1","6","3","1","2","4","1") = "5"
    & skf21("6","1","6","3","1","2","5","1") = "5"
    & skf21("6","1","6","3","1","2","6","1") = "5"
    & skf21("6","1","6","3","1","2","7","1") = "6"
    & skf21("6","1","6","3","1","3","1","1") = "5"
    & skf21("6","1","6","3","1","3","2","1") = "5"
    & skf21("6","1","6","3","1","3","3","1") = "5"
    & skf21("6","1","6","3","1","3","4","1") = "5"
    & skf21("6","1","6","3","1","3","5","1") = "5"
    & skf21("6","1","6","3","1","3","6","1") = "5"
    & skf21("6","1","6","3","1","3","7","1") = "6"
    & skf21("6","1","6","3","1","4","1","1") = "5"
    & skf21("6","1","6","3","1","4","2","1") = "5"
    & skf21("6","1","6","3","1","4","3","1") = "5"
    & skf21("6","1","6","3","1","4","4","1") = "5"
    & skf21("6","1","6","3","1","4","5","1") = "5"
    & skf21("6","1","6","3","1","4","6","1") = "5"
    & skf21("6","1","6","3","1","4","7","1") = "6"
    & skf21("6","1","6","3","1","5","1","1") = "5"
    & skf21("6","1","6","3","1","5","2","1") = "5"
    & skf21("6","1","6","3","1","5","3","1") = "5"
    & skf21("6","1","6","3","1","5","4","1") = "5"
    & skf21("6","1","6","3","1","5","5","1") = "5"
    & skf21("6","1","6","3","1","5","6","1") = "5"
    & skf21("6","1","6","3","1","5","7","1") = "6"
    & skf21("6","1","6","3","1","6","1","1") = "5"
    & skf21("6","1","6","3","1","6","2","1") = "5"
    & skf21("6","1","6","3","1","6","3","1") = "5"
    & skf21("6","1","6","3","1","6","4","1") = "5"
    & skf21("6","1","6","3","1","6","5","1") = "5"
    & skf21("6","1","6","3","1","6","6","1") = "5"
    & skf21("6","1","6","3","1","6","7","1") = "6"
    & skf21("6","1","6","3","1","7","1","1") = "6"
    & skf21("6","1","6","3","1","7","2","1") = "6"
    & skf21("6","1","6","3","1","7","3","1") = "6"
    & skf21("6","1","6","3","1","7","4","1") = "6"
    & skf21("6","1","6","3","1","7","5","1") = "6"
    & skf21("6","1","6","3","1","7","6","1") = "6"
    & skf21("6","1","6","3","1","7","7","1") = "6"
    & skf21("6","1","6","3","2","1","1","1") = "5"
    & skf21("6","1","6","3","2","1","2","1") = "5"
    & skf21("6","1","6","3","2","1","3","1") = "5"
    & skf21("6","1","6","3","2","1","4","1") = "5"
    & skf21("6","1","6","3","2","1","5","1") = "5"
    & skf21("6","1","6","3","2","1","6","1") = "5"
    & skf21("6","1","6","3","2","1","7","1") = "6"
    & skf21("6","1","6","3","2","2","1","1") = "5"
    & skf21("6","1","6","3","2","2","2","1") = "5"
    & skf21("6","1","6","3","2","2","3","1") = "5"
    & skf21("6","1","6","3","2","2","4","1") = "5"
    & skf21("6","1","6","3","2","2","5","1") = "5"
    & skf21("6","1","6","3","2","2","6","1") = "5"
    & skf21("6","1","6","3","2","2","7","1") = "6"
    & skf21("6","1","6","3","2","3","1","1") = "5"
    & skf21("6","1","6","3","2","3","2","1") = "5"
    & skf21("6","1","6","3","2","3","3","1") = "5"
    & skf21("6","1","6","3","2","3","4","1") = "5"
    & skf21("6","1","6","3","2","3","5","1") = "5"
    & skf21("6","1","6","3","2","3","6","1") = "5"
    & skf21("6","1","6","3","2","3","7","1") = "6"
    & skf21("6","1","6","3","2","4","1","1") = "5"
    & skf21("6","1","6","3","2","4","2","1") = "5"
    & skf21("6","1","6","3","2","4","3","1") = "5"
    & skf21("6","1","6","3","2","4","4","1") = "5"
    & skf21("6","1","6","3","2","4","5","1") = "5"
    & skf21("6","1","6","3","2","4","6","1") = "5"
    & skf21("6","1","6","3","2","4","7","1") = "6"
    & skf21("6","1","6","3","2","5","1","1") = "5"
    & skf21("6","1","6","3","2","5","2","1") = "5"
    & skf21("6","1","6","3","2","5","3","1") = "5"
    & skf21("6","1","6","3","2","5","4","1") = "5"
    & skf21("6","1","6","3","2","5","5","1") = "5"
    & skf21("6","1","6","3","2","5","6","1") = "5"
    & skf21("6","1","6","3","2","5","7","1") = "6"
    & skf21("6","1","6","3","2","6","1","1") = "5"
    & skf21("6","1","6","3","2","6","2","1") = "5"
    & skf21("6","1","6","3","2","6","3","1") = "5"
    & skf21("6","1","6","3","2","6","4","1") = "5"
    & skf21("6","1","6","3","2","6","5","1") = "5"
    & skf21("6","1","6","3","2","6","6","1") = "5"
    & skf21("6","1","6","3","2","6","7","1") = "6"
    & skf21("6","1","6","3","2","7","1","1") = "6"
    & skf21("6","1","6","3","2","7","2","1") = "6"
    & skf21("6","1","6","3","2","7","3","1") = "6"
    & skf21("6","1","6","3","2","7","4","1") = "6"
    & skf21("6","1","6","3","2","7","5","1") = "6"
    & skf21("6","1","6","3","2","7","6","1") = "6"
    & skf21("6","1","6","3","2","7","7","1") = "6"
    & skf21("6","1","6","3","3","1","1","1") = "5"
    & skf21("6","1","6","3","3","1","2","1") = "5"
    & skf21("6","1","6","3","3","1","3","1") = "5"
    & skf21("6","1","6","3","3","1","4","1") = "5"
    & skf21("6","1","6","3","3","1","5","1") = "5"
    & skf21("6","1","6","3","3","1","6","1") = "5"
    & skf21("6","1","6","3","3","1","7","1") = "6"
    & skf21("6","1","6","3","3","2","1","1") = "5"
    & skf21("6","1","6","3","3","2","2","1") = "5"
    & skf21("6","1","6","3","3","2","3","1") = "5"
    & skf21("6","1","6","3","3","2","4","1") = "5"
    & skf21("6","1","6","3","3","2","5","1") = "5"
    & skf21("6","1","6","3","3","2","6","1") = "5"
    & skf21("6","1","6","3","3","2","7","1") = "6"
    & skf21("6","1","6","3","3","3","1","1") = "5"
    & skf21("6","1","6","3","3","3","2","1") = "5"
    & skf21("6","1","6","3","3","3","3","1") = "5"
    & skf21("6","1","6","3","3","3","4","1") = "5"
    & skf21("6","1","6","3","3","3","5","1") = "5"
    & skf21("6","1","6","3","3","3","6","1") = "5"
    & skf21("6","1","6","3","3","3","7","1") = "6"
    & skf21("6","1","6","3","3","4","1","1") = "5"
    & skf21("6","1","6","3","3","4","2","1") = "5"
    & skf21("6","1","6","3","3","4","3","1") = "5"
    & skf21("6","1","6","3","3","4","4","1") = "5"
    & skf21("6","1","6","3","3","4","5","1") = "5"
    & skf21("6","1","6","3","3","4","6","1") = "5"
    & skf21("6","1","6","3","3","4","7","1") = "6"
    & skf21("6","1","6","3","3","5","1","1") = "5"
    & skf21("6","1","6","3","3","5","2","1") = "5"
    & skf21("6","1","6","3","3","5","3","1") = "5"
    & skf21("6","1","6","3","3","5","4","1") = "5"
    & skf21("6","1","6","3","3","5","5","1") = "5"
    & skf21("6","1","6","3","3","5","6","1") = "5"
    & skf21("6","1","6","3","3","5","7","1") = "6"
    & skf21("6","1","6","3","3","6","1","1") = "5"
    & skf21("6","1","6","3","3","6","2","1") = "5"
    & skf21("6","1","6","3","3","6","3","1") = "5"
    & skf21("6","1","6","3","3","6","4","1") = "5"
    & skf21("6","1","6","3","3","6","5","1") = "5"
    & skf21("6","1","6","3","3","6","6","1") = "5"
    & skf21("6","1","6","3","3","6","7","1") = "6"
    & skf21("6","1","6","3","3","7","1","1") = "6"
    & skf21("6","1","6","3","3","7","2","1") = "6"
    & skf21("6","1","6","3","3","7","3","1") = "6"
    & skf21("6","1","6","3","3","7","4","1") = "6"
    & skf21("6","1","6","3","3","7","5","1") = "6"
    & skf21("6","1","6","3","3","7","6","1") = "6"
    & skf21("6","1","6","3","3","7","7","1") = "6"
    & skf21("6","1","6","3","4","1","1","1") = "5"
    & skf21("6","1","6","3","4","1","2","1") = "5"
    & skf21("6","1","6","3","4","1","3","1") = "5"
    & skf21("6","1","6","3","4","1","4","1") = "5"
    & skf21("6","1","6","3","4","1","5","1") = "5"
    & skf21("6","1","6","3","4","1","6","1") = "5"
    & skf21("6","1","6","3","4","1","7","1") = "6"
    & skf21("6","1","6","3","4","2","1","1") = "5"
    & skf21("6","1","6","3","4","2","2","1") = "5"
    & skf21("6","1","6","3","4","2","3","1") = "5"
    & skf21("6","1","6","3","4","2","4","1") = "5"
    & skf21("6","1","6","3","4","2","5","1") = "5"
    & skf21("6","1","6","3","4","2","6","1") = "5"
    & skf21("6","1","6","3","4","2","7","1") = "6"
    & skf21("6","1","6","3","4","3","1","1") = "5"
    & skf21("6","1","6","3","4","3","2","1") = "5"
    & skf21("6","1","6","3","4","3","3","1") = "5"
    & skf21("6","1","6","3","4","3","4","1") = "5"
    & skf21("6","1","6","3","4","3","5","1") = "5"
    & skf21("6","1","6","3","4","3","6","1") = "5"
    & skf21("6","1","6","3","4","3","7","1") = "6"
    & skf21("6","1","6","3","4","4","1","1") = "5"
    & skf21("6","1","6","3","4","4","2","1") = "5"
    & skf21("6","1","6","3","4","4","3","1") = "5"
    & skf21("6","1","6","3","4","4","4","1") = "5"
    & skf21("6","1","6","3","4","4","5","1") = "5"
    & skf21("6","1","6","3","4","4","6","1") = "5"
    & skf21("6","1","6","3","4","4","7","1") = "6"
    & skf21("6","1","6","3","4","5","1","1") = "5"
    & skf21("6","1","6","3","4","5","2","1") = "5"
    & skf21("6","1","6","3","4","5","3","1") = "5"
    & skf21("6","1","6","3","4","5","4","1") = "5"
    & skf21("6","1","6","3","4","5","5","1") = "5"
    & skf21("6","1","6","3","4","5","6","1") = "5"
    & skf21("6","1","6","3","4","5","7","1") = "6"
    & skf21("6","1","6","3","4","6","1","1") = "5"
    & skf21("6","1","6","3","4","6","2","1") = "5"
    & skf21("6","1","6","3","4","6","3","1") = "5"
    & skf21("6","1","6","3","4","6","4","1") = "5"
    & skf21("6","1","6","3","4","6","5","1") = "5"
    & skf21("6","1","6","3","4","6","6","1") = "5"
    & skf21("6","1","6","3","4","6","7","1") = "6"
    & skf21("6","1","6","3","4","7","1","1") = "6"
    & skf21("6","1","6","3","4","7","2","1") = "6"
    & skf21("6","1","6","3","4","7","3","1") = "6"
    & skf21("6","1","6","3","4","7","4","1") = "6"
    & skf21("6","1","6","3","4","7","5","1") = "6"
    & skf21("6","1","6","3","4","7","6","1") = "6"
    & skf21("6","1","6","3","4","7","7","1") = "6"
    & skf21("6","1","6","3","5","1","1","1") = "5"
    & skf21("6","1","6","3","5","1","2","1") = "5"
    & skf21("6","1","6","3","5","1","3","1") = "5"
    & skf21("6","1","6","3","5","1","4","1") = "5"
    & skf21("6","1","6","3","5","1","5","1") = "5"
    & skf21("6","1","6","3","5","1","6","1") = "5"
    & skf21("6","1","6","3","5","1","7","1") = "6"
    & skf21("6","1","6","3","5","2","1","1") = "5"
    & skf21("6","1","6","3","5","2","2","1") = "5"
    & skf21("6","1","6","3","5","2","3","1") = "5"
    & skf21("6","1","6","3","5","2","4","1") = "5"
    & skf21("6","1","6","3","5","2","5","1") = "5"
    & skf21("6","1","6","3","5","2","6","1") = "5"
    & skf21("6","1","6","3","5","2","7","1") = "6"
    & skf21("6","1","6","3","5","3","1","1") = "5"
    & skf21("6","1","6","3","5","3","2","1") = "5"
    & skf21("6","1","6","3","5","3","3","1") = "5"
    & skf21("6","1","6","3","5","3","4","1") = "5"
    & skf21("6","1","6","3","5","3","5","1") = "5"
    & skf21("6","1","6","3","5","3","6","1") = "5"
    & skf21("6","1","6","3","5","3","7","1") = "6"
    & skf21("6","1","6","3","5","4","1","1") = "5"
    & skf21("6","1","6","3","5","4","2","1") = "5"
    & skf21("6","1","6","3","5","4","3","1") = "5"
    & skf21("6","1","6","3","5","4","4","1") = "5"
    & skf21("6","1","6","3","5","4","5","1") = "5"
    & skf21("6","1","6","3","5","4","6","1") = "5"
    & skf21("6","1","6","3","5","4","7","1") = "6"
    & skf21("6","1","6","3","5","5","1","1") = "5"
    & skf21("6","1","6","3","5","5","2","1") = "5"
    & skf21("6","1","6","3","5","5","3","1") = "5"
    & skf21("6","1","6","3","5","5","4","1") = "5"
    & skf21("6","1","6","3","5","5","5","1") = "5"
    & skf21("6","1","6","3","5","5","6","1") = "5"
    & skf21("6","1","6","3","5","5","7","1") = "6"
    & skf21("6","1","6","3","5","6","1","1") = "5"
    & skf21("6","1","6","3","5","6","2","1") = "5"
    & skf21("6","1","6","3","5","6","3","1") = "5"
    & skf21("6","1","6","3","5","6","4","1") = "5"
    & skf21("6","1","6","3","5","6","5","1") = "5"
    & skf21("6","1","6","3","5","6","6","1") = "5"
    & skf21("6","1","6","3","5","6","7","1") = "6"
    & skf21("6","1","6","3","5","7","1","1") = "6"
    & skf21("6","1","6","3","5","7","2","1") = "6"
    & skf21("6","1","6","3","5","7","3","1") = "6"
    & skf21("6","1","6","3","5","7","4","1") = "6"
    & skf21("6","1","6","3","5","7","5","1") = "6"
    & skf21("6","1","6","3","5","7","6","1") = "6"
    & skf21("6","1","6","3","5","7","7","1") = "6"
    & skf21("6","1","6","3","6","1","1","1") = "5"
    & skf21("6","1","6","3","6","1","2","1") = "5"
    & skf21("6","1","6","3","6","1","3","1") = "5"
    & skf21("6","1","6","3","6","1","4","1") = "5"
    & skf21("6","1","6","3","6","1","5","1") = "5"
    & skf21("6","1","6","3","6","1","6","1") = "5"
    & skf21("6","1","6","3","6","1","7","1") = "6"
    & skf21("6","1","6","3","6","2","1","1") = "5"
    & skf21("6","1","6","3","6","2","2","1") = "5"
    & skf21("6","1","6","3","6","2","3","1") = "5"
    & skf21("6","1","6","3","6","2","4","1") = "5"
    & skf21("6","1","6","3","6","2","5","1") = "5"
    & skf21("6","1","6","3","6","2","6","1") = "5"
    & skf21("6","1","6","3","6","2","7","1") = "6"
    & skf21("6","1","6","3","6","3","1","1") = "5"
    & skf21("6","1","6","3","6","3","2","1") = "5"
    & skf21("6","1","6","3","6","3","3","1") = "5"
    & skf21("6","1","6","3","6","3","4","1") = "5"
    & skf21("6","1","6","3","6","3","5","1") = "5"
    & skf21("6","1","6","3","6","3","6","1") = "5"
    & skf21("6","1","6","3","6","3","7","1") = "6"
    & skf21("6","1","6","3","6","4","1","1") = "5"
    & skf21("6","1","6","3","6","4","2","1") = "5"
    & skf21("6","1","6","3","6","4","3","1") = "5"
    & skf21("6","1","6","3","6","4","4","1") = "5"
    & skf21("6","1","6","3","6","4","5","1") = "5"
    & skf21("6","1","6","3","6","4","6","1") = "5"
    & skf21("6","1","6","3","6","4","7","1") = "6"
    & skf21("6","1","6","3","6","5","1","1") = "5"
    & skf21("6","1","6","3","6","5","2","1") = "5"
    & skf21("6","1","6","3","6","5","3","1") = "5"
    & skf21("6","1","6","3","6","5","4","1") = "5"
    & skf21("6","1","6","3","6","5","5","1") = "5"
    & skf21("6","1","6","3","6","5","6","1") = "5"
    & skf21("6","1","6","3","6","5","7","1") = "6"
    & skf21("6","1","6","3","6","6","1","1") = "5"
    & skf21("6","1","6","3","6","6","2","1") = "5"
    & skf21("6","1","6","3","6","6","3","1") = "5"
    & skf21("6","1","6","3","6","6","4","1") = "5"
    & skf21("6","1","6","3","6","6","5","1") = "5"
    & skf21("6","1","6","3","6","6","6","1") = "5"
    & skf21("6","1","6","3","6","6","7","1") = "6"
    & skf21("6","1","6","3","6","7","1","1") = "6"
    & skf21("6","1","6","3","6","7","2","1") = "6"
    & skf21("6","1","6","3","6","7","3","1") = "6"
    & skf21("6","1","6","3","6","7","4","1") = "6"
    & skf21("6","1","6","3","6","7","5","1") = "6"
    & skf21("6","1","6","3","6","7","6","1") = "6"
    & skf21("6","1","6","3","6","7","7","1") = "6"
    & skf21("6","1","6","3","7","1","1","1") = "6"
    & skf21("6","1","6","3","7","1","2","1") = "6"
    & skf21("6","1","6","3","7","1","3","1") = "6"
    & skf21("6","1","6","3","7","1","4","1") = "6"
    & skf21("6","1","6","3","7","1","5","1") = "6"
    & skf21("6","1","6","3","7","1","6","1") = "6"
    & skf21("6","1","6","3","7","1","7","1") = "6"
    & skf21("6","1","6","3","7","2","1","1") = "6"
    & skf21("6","1","6","3","7","2","2","1") = "6"
    & skf21("6","1","6","3","7","2","3","1") = "6"
    & skf21("6","1","6","3","7","2","4","1") = "6"
    & skf21("6","1","6","3","7","2","5","1") = "6"
    & skf21("6","1","6","3","7","2","6","1") = "6"
    & skf21("6","1","6","3","7","2","7","1") = "6"
    & skf21("6","1","6","3","7","3","1","1") = "6"
    & skf21("6","1","6","3","7","3","2","1") = "6"
    & skf21("6","1","6","3","7","3","3","1") = "6"
    & skf21("6","1","6","3","7","3","4","1") = "6"
    & skf21("6","1","6","3","7","3","5","1") = "6"
    & skf21("6","1","6","3","7","3","6","1") = "6"
    & skf21("6","1","6","3","7","3","7","1") = "6"
    & skf21("6","1","6","3","7","4","1","1") = "6"
    & skf21("6","1","6","3","7","4","2","1") = "6"
    & skf21("6","1","6","3","7","4","3","1") = "6"
    & skf21("6","1","6","3","7","4","4","1") = "6"
    & skf21("6","1","6","3","7","4","5","1") = "6"
    & skf21("6","1","6","3","7","4","6","1") = "6"
    & skf21("6","1","6","3","7","4","7","1") = "6"
    & skf21("6","1","6","3","7","5","1","1") = "6"
    & skf21("6","1","6","3","7","5","2","1") = "6"
    & skf21("6","1","6","3","7","5","3","1") = "6"
    & skf21("6","1","6","3","7","5","4","1") = "6"
    & skf21("6","1","6","3","7","5","5","1") = "6"
    & skf21("6","1","6","3","7","5","6","1") = "6"
    & skf21("6","1","6","3","7","5","7","1") = "6"
    & skf21("6","1","6","3","7","6","1","1") = "6"
    & skf21("6","1","6","3","7","6","2","1") = "6"
    & skf21("6","1","6","3","7","6","3","1") = "6"
    & skf21("6","1","6","3","7","6","4","1") = "6"
    & skf21("6","1","6","3","7","6","5","1") = "6"
    & skf21("6","1","6","3","7","6","6","1") = "6"
    & skf21("6","1","6","3","7","6","7","1") = "6"
    & skf21("6","1","6","3","7","7","1","1") = "6"
    & skf21("6","1","6","3","7","7","2","1") = "6"
    & skf21("6","1","6","3","7","7","3","1") = "6"
    & skf21("6","1","6","3","7","7","4","1") = "6"
    & skf21("6","1","6","3","7","7","5","1") = "6"
    & skf21("6","1","6","3","7","7","6","1") = "6"
    & skf21("6","1","6","3","7","7","7","1") = "6"
    & skf21("6","1","6","4","1","1","1","1") = "5"
    & skf21("6","1","6","4","1","1","2","1") = "5"
    & skf21("6","1","6","4","1","1","3","1") = "5"
    & skf21("6","1","6","4","1","1","4","1") = "5"
    & skf21("6","1","6","4","1","1","5","1") = "5"
    & skf21("6","1","6","4","1","1","6","1") = "5"
    & skf21("6","1","6","4","1","1","7","1") = "6"
    & skf21("6","1","6","4","1","2","1","1") = "5"
    & skf21("6","1","6","4","1","2","2","1") = "5"
    & skf21("6","1","6","4","1","2","3","1") = "5"
    & skf21("6","1","6","4","1","2","4","1") = "5"
    & skf21("6","1","6","4","1","2","5","1") = "5"
    & skf21("6","1","6","4","1","2","6","1") = "5"
    & skf21("6","1","6","4","1","2","7","1") = "6"
    & skf21("6","1","6","4","1","3","1","1") = "5"
    & skf21("6","1","6","4","1","3","2","1") = "5"
    & skf21("6","1","6","4","1","3","3","1") = "5"
    & skf21("6","1","6","4","1","3","4","1") = "5"
    & skf21("6","1","6","4","1","3","5","1") = "5"
    & skf21("6","1","6","4","1","3","6","1") = "5"
    & skf21("6","1","6","4","1","3","7","1") = "6"
    & skf21("6","1","6","4","1","4","1","1") = "5"
    & skf21("6","1","6","4","1","4","2","1") = "5"
    & skf21("6","1","6","4","1","4","3","1") = "5"
    & skf21("6","1","6","4","1","4","4","1") = "5"
    & skf21("6","1","6","4","1","4","5","1") = "5"
    & skf21("6","1","6","4","1","4","6","1") = "5"
    & skf21("6","1","6","4","1","4","7","1") = "6"
    & skf21("6","1","6","4","1","5","1","1") = "5"
    & skf21("6","1","6","4","1","5","2","1") = "5"
    & skf21("6","1","6","4","1","5","3","1") = "5"
    & skf21("6","1","6","4","1","5","4","1") = "5"
    & skf21("6","1","6","4","1","5","5","1") = "5"
    & skf21("6","1","6","4","1","5","6","1") = "5"
    & skf21("6","1","6","4","1","5","7","1") = "6"
    & skf21("6","1","6","4","1","6","1","1") = "5"
    & skf21("6","1","6","4","1","6","2","1") = "5"
    & skf21("6","1","6","4","1","6","3","1") = "5"
    & skf21("6","1","6","4","1","6","4","1") = "5"
    & skf21("6","1","6","4","1","6","5","1") = "5"
    & skf21("6","1","6","4","1","6","6","1") = "5"
    & skf21("6","1","6","4","1","6","7","1") = "6"
    & skf21("6","1","6","4","1","7","1","1") = "6"
    & skf21("6","1","6","4","1","7","2","1") = "6"
    & skf21("6","1","6","4","1","7","3","1") = "6"
    & skf21("6","1","6","4","1","7","4","1") = "6"
    & skf21("6","1","6","4","1","7","5","1") = "6"
    & skf21("6","1","6","4","1","7","6","1") = "6"
    & skf21("6","1","6","4","1","7","7","1") = "6"
    & skf21("6","1","6","4","2","1","1","1") = "5"
    & skf21("6","1","6","4","2","1","2","1") = "5"
    & skf21("6","1","6","4","2","1","3","1") = "5"
    & skf21("6","1","6","4","2","1","4","1") = "5"
    & skf21("6","1","6","4","2","1","5","1") = "5"
    & skf21("6","1","6","4","2","1","6","1") = "5"
    & skf21("6","1","6","4","2","1","7","1") = "6"
    & skf21("6","1","6","4","2","2","1","1") = "5"
    & skf21("6","1","6","4","2","2","2","1") = "5"
    & skf21("6","1","6","4","2","2","3","1") = "5"
    & skf21("6","1","6","4","2","2","4","1") = "5"
    & skf21("6","1","6","4","2","2","5","1") = "5"
    & skf21("6","1","6","4","2","2","6","1") = "5"
    & skf21("6","1","6","4","2","2","7","1") = "6"
    & skf21("6","1","6","4","2","3","1","1") = "5"
    & skf21("6","1","6","4","2","3","2","1") = "5"
    & skf21("6","1","6","4","2","3","3","1") = "5"
    & skf21("6","1","6","4","2","3","4","1") = "5"
    & skf21("6","1","6","4","2","3","5","1") = "5"
    & skf21("6","1","6","4","2","3","6","1") = "5"
    & skf21("6","1","6","4","2","3","7","1") = "6"
    & skf21("6","1","6","4","2","4","1","1") = "5"
    & skf21("6","1","6","4","2","4","2","1") = "5"
    & skf21("6","1","6","4","2","4","3","1") = "5"
    & skf21("6","1","6","4","2","4","4","1") = "5"
    & skf21("6","1","6","4","2","4","5","1") = "5"
    & skf21("6","1","6","4","2","4","6","1") = "5"
    & skf21("6","1","6","4","2","4","7","1") = "6"
    & skf21("6","1","6","4","2","5","1","1") = "5"
    & skf21("6","1","6","4","2","5","2","1") = "5"
    & skf21("6","1","6","4","2","5","3","1") = "5"
    & skf21("6","1","6","4","2","5","4","1") = "5"
    & skf21("6","1","6","4","2","5","5","1") = "5"
    & skf21("6","1","6","4","2","5","6","1") = "5"
    & skf21("6","1","6","4","2","5","7","1") = "6"
    & skf21("6","1","6","4","2","6","1","1") = "5"
    & skf21("6","1","6","4","2","6","2","1") = "5"
    & skf21("6","1","6","4","2","6","3","1") = "5"
    & skf21("6","1","6","4","2","6","4","1") = "5"
    & skf21("6","1","6","4","2","6","5","1") = "5"
    & skf21("6","1","6","4","2","6","6","1") = "5"
    & skf21("6","1","6","4","2","6","7","1") = "6"
    & skf21("6","1","6","4","2","7","1","1") = "6"
    & skf21("6","1","6","4","2","7","2","1") = "6"
    & skf21("6","1","6","4","2","7","3","1") = "6"
    & skf21("6","1","6","4","2","7","4","1") = "6"
    & skf21("6","1","6","4","2","7","5","1") = "6"
    & skf21("6","1","6","4","2","7","6","1") = "6"
    & skf21("6","1","6","4","2","7","7","1") = "6"
    & skf21("6","1","6","4","3","1","1","1") = "5"
    & skf21("6","1","6","4","3","1","2","1") = "5"
    & skf21("6","1","6","4","3","1","3","1") = "5"
    & skf21("6","1","6","4","3","1","4","1") = "5"
    & skf21("6","1","6","4","3","1","5","1") = "5"
    & skf21("6","1","6","4","3","1","6","1") = "5"
    & skf21("6","1","6","4","3","1","7","1") = "6"
    & skf21("6","1","6","4","3","2","1","1") = "5"
    & skf21("6","1","6","4","3","2","2","1") = "5"
    & skf21("6","1","6","4","3","2","3","1") = "5"
    & skf21("6","1","6","4","3","2","4","1") = "5"
    & skf21("6","1","6","4","3","2","5","1") = "5"
    & skf21("6","1","6","4","3","2","6","1") = "5"
    & skf21("6","1","6","4","3","2","7","1") = "6"
    & skf21("6","1","6","4","3","3","1","1") = "5"
    & skf21("6","1","6","4","3","3","2","1") = "5"
    & skf21("6","1","6","4","3","3","3","1") = "5"
    & skf21("6","1","6","4","3","3","4","1") = "5"
    & skf21("6","1","6","4","3","3","5","1") = "5"
    & skf21("6","1","6","4","3","3","6","1") = "5"
    & skf21("6","1","6","4","3","3","7","1") = "6"
    & skf21("6","1","6","4","3","4","1","1") = "5"
    & skf21("6","1","6","4","3","4","2","1") = "5"
    & skf21("6","1","6","4","3","4","3","1") = "5"
    & skf21("6","1","6","4","3","4","4","1") = "5"
    & skf21("6","1","6","4","3","4","5","1") = "5"
    & skf21("6","1","6","4","3","4","6","1") = "5"
    & skf21("6","1","6","4","3","4","7","1") = "6"
    & skf21("6","1","6","4","3","5","1","1") = "5"
    & skf21("6","1","6","4","3","5","2","1") = "5"
    & skf21("6","1","6","4","3","5","3","1") = "5"
    & skf21("6","1","6","4","3","5","4","1") = "5"
    & skf21("6","1","6","4","3","5","5","1") = "5"
    & skf21("6","1","6","4","3","5","6","1") = "5"
    & skf21("6","1","6","4","3","5","7","1") = "6"
    & skf21("6","1","6","4","3","6","1","1") = "5"
    & skf21("6","1","6","4","3","6","2","1") = "5"
    & skf21("6","1","6","4","3","6","3","1") = "5"
    & skf21("6","1","6","4","3","6","4","1") = "5"
    & skf21("6","1","6","4","3","6","5","1") = "5"
    & skf21("6","1","6","4","3","6","6","1") = "5"
    & skf21("6","1","6","4","3","6","7","1") = "6"
    & skf21("6","1","6","4","3","7","1","1") = "6"
    & skf21("6","1","6","4","3","7","2","1") = "6"
    & skf21("6","1","6","4","3","7","3","1") = "6"
    & skf21("6","1","6","4","3","7","4","1") = "6"
    & skf21("6","1","6","4","3","7","5","1") = "6"
    & skf21("6","1","6","4","3","7","6","1") = "6"
    & skf21("6","1","6","4","3","7","7","1") = "6"
    & skf21("6","1","6","4","4","1","1","1") = "5"
    & skf21("6","1","6","4","4","1","2","1") = "5"
    & skf21("6","1","6","4","4","1","3","1") = "5"
    & skf21("6","1","6","4","4","1","4","1") = "5"
    & skf21("6","1","6","4","4","1","5","1") = "5"
    & skf21("6","1","6","4","4","1","6","1") = "5"
    & skf21("6","1","6","4","4","1","7","1") = "6"
    & skf21("6","1","6","4","4","2","1","1") = "5"
    & skf21("6","1","6","4","4","2","2","1") = "5"
    & skf21("6","1","6","4","4","2","3","1") = "5"
    & skf21("6","1","6","4","4","2","4","1") = "5"
    & skf21("6","1","6","4","4","2","5","1") = "5"
    & skf21("6","1","6","4","4","2","6","1") = "5"
    & skf21("6","1","6","4","4","2","7","1") = "6"
    & skf21("6","1","6","4","4","3","1","1") = "5"
    & skf21("6","1","6","4","4","3","2","1") = "5"
    & skf21("6","1","6","4","4","3","3","1") = "5"
    & skf21("6","1","6","4","4","3","4","1") = "5"
    & skf21("6","1","6","4","4","3","5","1") = "5"
    & skf21("6","1","6","4","4","3","6","1") = "5"
    & skf21("6","1","6","4","4","3","7","1") = "6"
    & skf21("6","1","6","4","4","4","1","1") = "5"
    & skf21("6","1","6","4","4","4","2","1") = "5"
    & skf21("6","1","6","4","4","4","3","1") = "5"
    & skf21("6","1","6","4","4","4","4","1") = "5"
    & skf21("6","1","6","4","4","4","5","1") = "5"
    & skf21("6","1","6","4","4","4","6","1") = "5"
    & skf21("6","1","6","4","4","4","7","1") = "6"
    & skf21("6","1","6","4","4","5","1","1") = "5"
    & skf21("6","1","6","4","4","5","2","1") = "5"
    & skf21("6","1","6","4","4","5","3","1") = "5"
    & skf21("6","1","6","4","4","5","4","1") = "5"
    & skf21("6","1","6","4","4","5","5","1") = "5"
    & skf21("6","1","6","4","4","5","6","1") = "5"
    & skf21("6","1","6","4","4","5","7","1") = "6"
    & skf21("6","1","6","4","4","6","1","1") = "5"
    & skf21("6","1","6","4","4","6","2","1") = "5"
    & skf21("6","1","6","4","4","6","3","1") = "5"
    & skf21("6","1","6","4","4","6","4","1") = "5"
    & skf21("6","1","6","4","4","6","5","1") = "5"
    & skf21("6","1","6","4","4","6","6","1") = "5"
    & skf21("6","1","6","4","4","6","7","1") = "6"
    & skf21("6","1","6","4","4","7","1","1") = "6"
    & skf21("6","1","6","4","4","7","2","1") = "6"
    & skf21("6","1","6","4","4","7","3","1") = "6"
    & skf21("6","1","6","4","4","7","4","1") = "6"
    & skf21("6","1","6","4","4","7","5","1") = "6"
    & skf21("6","1","6","4","4","7","6","1") = "6"
    & skf21("6","1","6","4","4","7","7","1") = "6"
    & skf21("6","1","6","4","5","1","1","1") = "5"
    & skf21("6","1","6","4","5","1","2","1") = "5"
    & skf21("6","1","6","4","5","1","3","1") = "5"
    & skf21("6","1","6","4","5","1","4","1") = "5"
    & skf21("6","1","6","4","5","1","5","1") = "5"
    & skf21("6","1","6","4","5","1","6","1") = "5"
    & skf21("6","1","6","4","5","1","7","1") = "6"
    & skf21("6","1","6","4","5","2","1","1") = "5"
    & skf21("6","1","6","4","5","2","2","1") = "5"
    & skf21("6","1","6","4","5","2","3","1") = "5"
    & skf21("6","1","6","4","5","2","4","1") = "5"
    & skf21("6","1","6","4","5","2","5","1") = "5"
    & skf21("6","1","6","4","5","2","6","1") = "5"
    & skf21("6","1","6","4","5","2","7","1") = "6"
    & skf21("6","1","6","4","5","3","1","1") = "5"
    & skf21("6","1","6","4","5","3","2","1") = "5"
    & skf21("6","1","6","4","5","3","3","1") = "5"
    & skf21("6","1","6","4","5","3","4","1") = "5"
    & skf21("6","1","6","4","5","3","5","1") = "5"
    & skf21("6","1","6","4","5","3","6","1") = "5"
    & skf21("6","1","6","4","5","3","7","1") = "6"
    & skf21("6","1","6","4","5","4","1","1") = "5"
    & skf21("6","1","6","4","5","4","2","1") = "5"
    & skf21("6","1","6","4","5","4","3","1") = "5"
    & skf21("6","1","6","4","5","4","4","1") = "5"
    & skf21("6","1","6","4","5","4","5","1") = "5"
    & skf21("6","1","6","4","5","4","6","1") = "5"
    & skf21("6","1","6","4","5","4","7","1") = "6"
    & skf21("6","1","6","4","5","5","1","1") = "5"
    & skf21("6","1","6","4","5","5","2","1") = "5"
    & skf21("6","1","6","4","5","5","3","1") = "5"
    & skf21("6","1","6","4","5","5","4","1") = "5"
    & skf21("6","1","6","4","5","5","5","1") = "5"
    & skf21("6","1","6","4","5","5","6","1") = "5"
    & skf21("6","1","6","4","5","5","7","1") = "6"
    & skf21("6","1","6","4","5","6","1","1") = "5"
    & skf21("6","1","6","4","5","6","2","1") = "5"
    & skf21("6","1","6","4","5","6","3","1") = "5"
    & skf21("6","1","6","4","5","6","4","1") = "5"
    & skf21("6","1","6","4","5","6","5","1") = "5"
    & skf21("6","1","6","4","5","6","6","1") = "5"
    & skf21("6","1","6","4","5","6","7","1") = "6"
    & skf21("6","1","6","4","5","7","1","1") = "6"
    & skf21("6","1","6","4","5","7","2","1") = "6"
    & skf21("6","1","6","4","5","7","3","1") = "6"
    & skf21("6","1","6","4","5","7","4","1") = "6"
    & skf21("6","1","6","4","5","7","5","1") = "6"
    & skf21("6","1","6","4","5","7","6","1") = "6"
    & skf21("6","1","6","4","5","7","7","1") = "6"
    & skf21("6","1","6","4","6","1","1","1") = "5"
    & skf21("6","1","6","4","6","1","2","1") = "5"
    & skf21("6","1","6","4","6","1","3","1") = "5"
    & skf21("6","1","6","4","6","1","4","1") = "5"
    & skf21("6","1","6","4","6","1","5","1") = "5"
    & skf21("6","1","6","4","6","1","6","1") = "5"
    & skf21("6","1","6","4","6","1","7","1") = "6"
    & skf21("6","1","6","4","6","2","1","1") = "5"
    & skf21("6","1","6","4","6","2","2","1") = "5"
    & skf21("6","1","6","4","6","2","3","1") = "5"
    & skf21("6","1","6","4","6","2","4","1") = "5"
    & skf21("6","1","6","4","6","2","5","1") = "5"
    & skf21("6","1","6","4","6","2","6","1") = "5"
    & skf21("6","1","6","4","6","2","7","1") = "6"
    & skf21("6","1","6","4","6","3","1","1") = "5"
    & skf21("6","1","6","4","6","3","2","1") = "5"
    & skf21("6","1","6","4","6","3","3","1") = "5"
    & skf21("6","1","6","4","6","3","4","1") = "5"
    & skf21("6","1","6","4","6","3","5","1") = "5"
    & skf21("6","1","6","4","6","3","6","1") = "5"
    & skf21("6","1","6","4","6","3","7","1") = "6"
    & skf21("6","1","6","4","6","4","1","1") = "5"
    & skf21("6","1","6","4","6","4","2","1") = "5"
    & skf21("6","1","6","4","6","4","3","1") = "5"
    & skf21("6","1","6","4","6","4","4","1") = "5"
    & skf21("6","1","6","4","6","4","5","1") = "5"
    & skf21("6","1","6","4","6","4","6","1") = "5"
    & skf21("6","1","6","4","6","4","7","1") = "6"
    & skf21("6","1","6","4","6","5","1","1") = "5"
    & skf21("6","1","6","4","6","5","2","1") = "5"
    & skf21("6","1","6","4","6","5","3","1") = "5"
    & skf21("6","1","6","4","6","5","4","1") = "5"
    & skf21("6","1","6","4","6","5","5","1") = "5"
    & skf21("6","1","6","4","6","5","6","1") = "5"
    & skf21("6","1","6","4","6","5","7","1") = "6"
    & skf21("6","1","6","4","6","6","1","1") = "5"
    & skf21("6","1","6","4","6","6","2","1") = "5"
    & skf21("6","1","6","4","6","6","3","1") = "5"
    & skf21("6","1","6","4","6","6","4","1") = "5"
    & skf21("6","1","6","4","6","6","5","1") = "5"
    & skf21("6","1","6","4","6","6","6","1") = "5"
    & skf21("6","1","6","4","6","6","7","1") = "6"
    & skf21("6","1","6","4","6","7","1","1") = "6"
    & skf21("6","1","6","4","6","7","2","1") = "6"
    & skf21("6","1","6","4","6","7","3","1") = "6"
    & skf21("6","1","6","4","6","7","4","1") = "6"
    & skf21("6","1","6","4","6","7","5","1") = "6"
    & skf21("6","1","6","4","6","7","6","1") = "6"
    & skf21("6","1","6","4","6","7","7","1") = "6"
    & skf21("6","1","6","4","7","1","1","1") = "6"
    & skf21("6","1","6","4","7","1","2","1") = "6"
    & skf21("6","1","6","4","7","1","3","1") = "6"
    & skf21("6","1","6","4","7","1","4","1") = "6"
    & skf21("6","1","6","4","7","1","5","1") = "6"
    & skf21("6","1","6","4","7","1","6","1") = "6"
    & skf21("6","1","6","4","7","1","7","1") = "6"
    & skf21("6","1","6","4","7","2","1","1") = "6"
    & skf21("6","1","6","4","7","2","2","1") = "6"
    & skf21("6","1","6","4","7","2","3","1") = "6"
    & skf21("6","1","6","4","7","2","4","1") = "6"
    & skf21("6","1","6","4","7","2","5","1") = "6"
    & skf21("6","1","6","4","7","2","6","1") = "6"
    & skf21("6","1","6","4","7","2","7","1") = "6"
    & skf21("6","1","6","4","7","3","1","1") = "6"
    & skf21("6","1","6","4","7","3","2","1") = "6"
    & skf21("6","1","6","4","7","3","3","1") = "6"
    & skf21("6","1","6","4","7","3","4","1") = "6"
    & skf21("6","1","6","4","7","3","5","1") = "6"
    & skf21("6","1","6","4","7","3","6","1") = "6"
    & skf21("6","1","6","4","7","3","7","1") = "6"
    & skf21("6","1","6","4","7","4","1","1") = "6"
    & skf21("6","1","6","4","7","4","2","1") = "6"
    & skf21("6","1","6","4","7","4","3","1") = "6"
    & skf21("6","1","6","4","7","4","4","1") = "6"
    & skf21("6","1","6","4","7","4","5","1") = "6"
    & skf21("6","1","6","4","7","4","6","1") = "6"
    & skf21("6","1","6","4","7","4","7","1") = "6"
    & skf21("6","1","6","4","7","5","1","1") = "6"
    & skf21("6","1","6","4","7","5","2","1") = "6"
    & skf21("6","1","6","4","7","5","3","1") = "6"
    & skf21("6","1","6","4","7","5","4","1") = "6"
    & skf21("6","1","6","4","7","5","5","1") = "6"
    & skf21("6","1","6","4","7","5","6","1") = "6"
    & skf21("6","1","6","4","7","5","7","1") = "6"
    & skf21("6","1","6","4","7","6","1","1") = "6"
    & skf21("6","1","6","4","7","6","2","1") = "6"
    & skf21("6","1","6","4","7","6","3","1") = "6"
    & skf21("6","1","6","4","7","6","4","1") = "6"
    & skf21("6","1","6","4","7","6","5","1") = "6"
    & skf21("6","1","6","4","7","6","6","1") = "6"
    & skf21("6","1","6","4","7","6","7","1") = "6"
    & skf21("6","1","6","4","7","7","1","1") = "6"
    & skf21("6","1","6","4","7","7","2","1") = "6"
    & skf21("6","1","6","4","7","7","3","1") = "6"
    & skf21("6","1","6","4","7","7","4","1") = "6"
    & skf21("6","1","6","4","7","7","5","1") = "6"
    & skf21("6","1","6","4","7","7","6","1") = "6"
    & skf21("6","1","6","4","7","7","7","1") = "6"
    & skf21("6","1","6","5","1","1","1","1") = "5"
    & skf21("6","1","6","5","1","1","2","1") = "5"
    & skf21("6","1","6","5","1","1","3","1") = "5"
    & skf21("6","1","6","5","1","1","4","1") = "5"
    & skf21("6","1","6","5","1","1","5","1") = "5"
    & skf21("6","1","6","5","1","1","6","1") = "5"
    & skf21("6","1","6","5","1","1","7","1") = "6"
    & skf21("6","1","6","5","1","2","1","1") = "5"
    & skf21("6","1","6","5","1","2","2","1") = "5"
    & skf21("6","1","6","5","1","2","3","1") = "5"
    & skf21("6","1","6","5","1","2","4","1") = "5"
    & skf21("6","1","6","5","1","2","5","1") = "5"
    & skf21("6","1","6","5","1","2","6","1") = "5"
    & skf21("6","1","6","5","1","2","7","1") = "6"
    & skf21("6","1","6","5","1","3","1","1") = "5"
    & skf21("6","1","6","5","1","3","2","1") = "5"
    & skf21("6","1","6","5","1","3","3","1") = "5"
    & skf21("6","1","6","5","1","3","4","1") = "5"
    & skf21("6","1","6","5","1","3","5","1") = "5"
    & skf21("6","1","6","5","1","3","6","1") = "5"
    & skf21("6","1","6","5","1","3","7","1") = "6"
    & skf21("6","1","6","5","1","4","1","1") = "5"
    & skf21("6","1","6","5","1","4","2","1") = "5"
    & skf21("6","1","6","5","1","4","3","1") = "5"
    & skf21("6","1","6","5","1","4","4","1") = "5"
    & skf21("6","1","6","5","1","4","5","1") = "5"
    & skf21("6","1","6","5","1","4","6","1") = "5"
    & skf21("6","1","6","5","1","4","7","1") = "6"
    & skf21("6","1","6","5","1","5","1","1") = "5"
    & skf21("6","1","6","5","1","5","2","1") = "5"
    & skf21("6","1","6","5","1","5","3","1") = "5"
    & skf21("6","1","6","5","1","5","4","1") = "5"
    & skf21("6","1","6","5","1","5","5","1") = "5"
    & skf21("6","1","6","5","1","5","6","1") = "5"
    & skf21("6","1","6","5","1","5","7","1") = "6"
    & skf21("6","1","6","5","1","6","1","1") = "5"
    & skf21("6","1","6","5","1","6","2","1") = "5"
    & skf21("6","1","6","5","1","6","3","1") = "5"
    & skf21("6","1","6","5","1","6","4","1") = "5"
    & skf21("6","1","6","5","1","6","5","1") = "5"
    & skf21("6","1","6","5","1","6","6","1") = "5"
    & skf21("6","1","6","5","1","6","7","1") = "6"
    & skf21("6","1","6","5","1","7","1","1") = "6"
    & skf21("6","1","6","5","1","7","2","1") = "6"
    & skf21("6","1","6","5","1","7","3","1") = "6"
    & skf21("6","1","6","5","1","7","4","1") = "6"
    & skf21("6","1","6","5","1","7","5","1") = "6"
    & skf21("6","1","6","5","1","7","6","1") = "6"
    & skf21("6","1","6","5","1","7","7","1") = "6"
    & skf21("6","1","6","5","2","1","1","1") = "5"
    & skf21("6","1","6","5","2","1","2","1") = "5"
    & skf21("6","1","6","5","2","1","3","1") = "5"
    & skf21("6","1","6","5","2","1","4","1") = "5"
    & skf21("6","1","6","5","2","1","5","1") = "5"
    & skf21("6","1","6","5","2","1","6","1") = "5"
    & skf21("6","1","6","5","2","1","7","1") = "6"
    & skf21("6","1","6","5","2","2","1","1") = "5"
    & skf21("6","1","6","5","2","2","2","1") = "5"
    & skf21("6","1","6","5","2","2","3","1") = "5"
    & skf21("6","1","6","5","2","2","4","1") = "5"
    & skf21("6","1","6","5","2","2","5","1") = "5"
    & skf21("6","1","6","5","2","2","6","1") = "5"
    & skf21("6","1","6","5","2","2","7","1") = "6"
    & skf21("6","1","6","5","2","3","1","1") = "5"
    & skf21("6","1","6","5","2","3","2","1") = "5"
    & skf21("6","1","6","5","2","3","3","1") = "5"
    & skf21("6","1","6","5","2","3","4","1") = "5"
    & skf21("6","1","6","5","2","3","5","1") = "5"
    & skf21("6","1","6","5","2","3","6","1") = "5"
    & skf21("6","1","6","5","2","3","7","1") = "6"
    & skf21("6","1","6","5","2","4","1","1") = "5"
    & skf21("6","1","6","5","2","4","2","1") = "5"
    & skf21("6","1","6","5","2","4","3","1") = "5"
    & skf21("6","1","6","5","2","4","4","1") = "5"
    & skf21("6","1","6","5","2","4","5","1") = "5"
    & skf21("6","1","6","5","2","4","6","1") = "5"
    & skf21("6","1","6","5","2","4","7","1") = "6"
    & skf21("6","1","6","5","2","5","1","1") = "5"
    & skf21("6","1","6","5","2","5","2","1") = "5"
    & skf21("6","1","6","5","2","5","3","1") = "5"
    & skf21("6","1","6","5","2","5","4","1") = "5"
    & skf21("6","1","6","5","2","5","5","1") = "5"
    & skf21("6","1","6","5","2","5","6","1") = "5"
    & skf21("6","1","6","5","2","5","7","1") = "6"
    & skf21("6","1","6","5","2","6","1","1") = "5"
    & skf21("6","1","6","5","2","6","2","1") = "5"
    & skf21("6","1","6","5","2","6","3","1") = "5"
    & skf21("6","1","6","5","2","6","4","1") = "5"
    & skf21("6","1","6","5","2","6","5","1") = "5"
    & skf21("6","1","6","5","2","6","6","1") = "5"
    & skf21("6","1","6","5","2","6","7","1") = "6"
    & skf21("6","1","6","5","2","7","1","1") = "6"
    & skf21("6","1","6","5","2","7","2","1") = "6"
    & skf21("6","1","6","5","2","7","3","1") = "6"
    & skf21("6","1","6","5","2","7","4","1") = "6"
    & skf21("6","1","6","5","2","7","5","1") = "6"
    & skf21("6","1","6","5","2","7","6","1") = "6"
    & skf21("6","1","6","5","2","7","7","1") = "6"
    & skf21("6","1","6","5","3","1","1","1") = "5"
    & skf21("6","1","6","5","3","1","2","1") = "5"
    & skf21("6","1","6","5","3","1","3","1") = "5"
    & skf21("6","1","6","5","3","1","4","1") = "5"
    & skf21("6","1","6","5","3","1","5","1") = "5"
    & skf21("6","1","6","5","3","1","6","1") = "5"
    & skf21("6","1","6","5","3","1","7","1") = "6"
    & skf21("6","1","6","5","3","2","1","1") = "5"
    & skf21("6","1","6","5","3","2","2","1") = "5"
    & skf21("6","1","6","5","3","2","3","1") = "5"
    & skf21("6","1","6","5","3","2","4","1") = "5"
    & skf21("6","1","6","5","3","2","5","1") = "5"
    & skf21("6","1","6","5","3","2","6","1") = "5"
    & skf21("6","1","6","5","3","2","7","1") = "6"
    & skf21("6","1","6","5","3","3","1","1") = "5"
    & skf21("6","1","6","5","3","3","2","1") = "5"
    & skf21("6","1","6","5","3","3","3","1") = "5"
    & skf21("6","1","6","5","3","3","4","1") = "5"
    & skf21("6","1","6","5","3","3","5","1") = "5"
    & skf21("6","1","6","5","3","3","6","1") = "5"
    & skf21("6","1","6","5","3","3","7","1") = "6"
    & skf21("6","1","6","5","3","4","1","1") = "5"
    & skf21("6","1","6","5","3","4","2","1") = "5"
    & skf21("6","1","6","5","3","4","3","1") = "5"
    & skf21("6","1","6","5","3","4","4","1") = "5"
    & skf21("6","1","6","5","3","4","5","1") = "5"
    & skf21("6","1","6","5","3","4","6","1") = "5"
    & skf21("6","1","6","5","3","4","7","1") = "6"
    & skf21("6","1","6","5","3","5","1","1") = "5"
    & skf21("6","1","6","5","3","5","2","1") = "5"
    & skf21("6","1","6","5","3","5","3","1") = "5"
    & skf21("6","1","6","5","3","5","4","1") = "5"
    & skf21("6","1","6","5","3","5","5","1") = "5"
    & skf21("6","1","6","5","3","5","6","1") = "5"
    & skf21("6","1","6","5","3","5","7","1") = "6"
    & skf21("6","1","6","5","3","6","1","1") = "5"
    & skf21("6","1","6","5","3","6","2","1") = "5"
    & skf21("6","1","6","5","3","6","3","1") = "5"
    & skf21("6","1","6","5","3","6","4","1") = "5"
    & skf21("6","1","6","5","3","6","5","1") = "5"
    & skf21("6","1","6","5","3","6","6","1") = "5"
    & skf21("6","1","6","5","3","6","7","1") = "6"
    & skf21("6","1","6","5","3","7","1","1") = "6"
    & skf21("6","1","6","5","3","7","2","1") = "6"
    & skf21("6","1","6","5","3","7","3","1") = "6"
    & skf21("6","1","6","5","3","7","4","1") = "6"
    & skf21("6","1","6","5","3","7","5","1") = "6"
    & skf21("6","1","6","5","3","7","6","1") = "6"
    & skf21("6","1","6","5","3","7","7","1") = "6"
    & skf21("6","1","6","5","4","1","1","1") = "5"
    & skf21("6","1","6","5","4","1","2","1") = "5"
    & skf21("6","1","6","5","4","1","3","1") = "5"
    & skf21("6","1","6","5","4","1","4","1") = "5"
    & skf21("6","1","6","5","4","1","5","1") = "5"
    & skf21("6","1","6","5","4","1","6","1") = "5"
    & skf21("6","1","6","5","4","1","7","1") = "6"
    & skf21("6","1","6","5","4","2","1","1") = "5"
    & skf21("6","1","6","5","4","2","2","1") = "5"
    & skf21("6","1","6","5","4","2","3","1") = "5"
    & skf21("6","1","6","5","4","2","4","1") = "5"
    & skf21("6","1","6","5","4","2","5","1") = "5"
    & skf21("6","1","6","5","4","2","6","1") = "5"
    & skf21("6","1","6","5","4","2","7","1") = "6"
    & skf21("6","1","6","5","4","3","1","1") = "5"
    & skf21("6","1","6","5","4","3","2","1") = "5"
    & skf21("6","1","6","5","4","3","3","1") = "5"
    & skf21("6","1","6","5","4","3","4","1") = "5"
    & skf21("6","1","6","5","4","3","5","1") = "5"
    & skf21("6","1","6","5","4","3","6","1") = "5"
    & skf21("6","1","6","5","4","3","7","1") = "6"
    & skf21("6","1","6","5","4","4","1","1") = "5"
    & skf21("6","1","6","5","4","4","2","1") = "5"
    & skf21("6","1","6","5","4","4","3","1") = "5"
    & skf21("6","1","6","5","4","4","4","1") = "5"
    & skf21("6","1","6","5","4","4","5","1") = "5"
    & skf21("6","1","6","5","4","4","6","1") = "5"
    & skf21("6","1","6","5","4","4","7","1") = "6"
    & skf21("6","1","6","5","4","5","1","1") = "5"
    & skf21("6","1","6","5","4","5","2","1") = "5"
    & skf21("6","1","6","5","4","5","3","1") = "5"
    & skf21("6","1","6","5","4","5","4","1") = "5"
    & skf21("6","1","6","5","4","5","5","1") = "5"
    & skf21("6","1","6","5","4","5","6","1") = "5"
    & skf21("6","1","6","5","4","5","7","1") = "6"
    & skf21("6","1","6","5","4","6","1","1") = "5"
    & skf21("6","1","6","5","4","6","2","1") = "5"
    & skf21("6","1","6","5","4","6","3","1") = "5"
    & skf21("6","1","6","5","4","6","4","1") = "5"
    & skf21("6","1","6","5","4","6","5","1") = "5"
    & skf21("6","1","6","5","4","6","6","1") = "5"
    & skf21("6","1","6","5","4","6","7","1") = "6"
    & skf21("6","1","6","5","4","7","1","1") = "6"
    & skf21("6","1","6","5","4","7","2","1") = "6"
    & skf21("6","1","6","5","4","7","3","1") = "6"
    & skf21("6","1","6","5","4","7","4","1") = "6"
    & skf21("6","1","6","5","4","7","5","1") = "6"
    & skf21("6","1","6","5","4","7","6","1") = "6"
    & skf21("6","1","6","5","4","7","7","1") = "6"
    & skf21("6","1","6","5","5","1","1","1") = "5"
    & skf21("6","1","6","5","5","1","2","1") = "5"
    & skf21("6","1","6","5","5","1","3","1") = "5"
    & skf21("6","1","6","5","5","1","4","1") = "5"
    & skf21("6","1","6","5","5","1","5","1") = "5"
    & skf21("6","1","6","5","5","1","6","1") = "5"
    & skf21("6","1","6","5","5","1","7","1") = "6"
    & skf21("6","1","6","5","5","2","1","1") = "5"
    & skf21("6","1","6","5","5","2","2","1") = "5"
    & skf21("6","1","6","5","5","2","3","1") = "5"
    & skf21("6","1","6","5","5","2","4","1") = "5"
    & skf21("6","1","6","5","5","2","5","1") = "5"
    & skf21("6","1","6","5","5","2","6","1") = "5"
    & skf21("6","1","6","5","5","2","7","1") = "6"
    & skf21("6","1","6","5","5","3","1","1") = "5"
    & skf21("6","1","6","5","5","3","2","1") = "5"
    & skf21("6","1","6","5","5","3","3","1") = "5"
    & skf21("6","1","6","5","5","3","4","1") = "5"
    & skf21("6","1","6","5","5","3","5","1") = "5"
    & skf21("6","1","6","5","5","3","6","1") = "5"
    & skf21("6","1","6","5","5","3","7","1") = "6"
    & skf21("6","1","6","5","5","4","1","1") = "5"
    & skf21("6","1","6","5","5","4","2","1") = "5"
    & skf21("6","1","6","5","5","4","3","1") = "5"
    & skf21("6","1","6","5","5","4","4","1") = "5"
    & skf21("6","1","6","5","5","4","5","1") = "5"
    & skf21("6","1","6","5","5","4","6","1") = "5"
    & skf21("6","1","6","5","5","4","7","1") = "6"
    & skf21("6","1","6","5","5","5","1","1") = "5"
    & skf21("6","1","6","5","5","5","2","1") = "5"
    & skf21("6","1","6","5","5","5","3","1") = "5"
    & skf21("6","1","6","5","5","5","4","1") = "5"
    & skf21("6","1","6","5","5","5","5","1") = "5"
    & skf21("6","1","6","5","5","5","6","1") = "5"
    & skf21("6","1","6","5","5","5","7","1") = "6"
    & skf21("6","1","6","5","5","6","1","1") = "5"
    & skf21("6","1","6","5","5","6","2","1") = "5"
    & skf21("6","1","6","5","5","6","3","1") = "5"
    & skf21("6","1","6","5","5","6","4","1") = "5"
    & skf21("6","1","6","5","5","6","5","1") = "5"
    & skf21("6","1","6","5","5","6","6","1") = "5"
    & skf21("6","1","6","5","5","6","7","1") = "6"
    & skf21("6","1","6","5","5","7","1","1") = "6"
    & skf21("6","1","6","5","5","7","2","1") = "6"
    & skf21("6","1","6","5","5","7","3","1") = "6"
    & skf21("6","1","6","5","5","7","4","1") = "6"
    & skf21("6","1","6","5","5","7","5","1") = "6"
    & skf21("6","1","6","5","5","7","6","1") = "6"
    & skf21("6","1","6","5","5","7","7","1") = "6"
    & skf21("6","1","6","5","6","1","1","1") = "5"
    & skf21("6","1","6","5","6","1","2","1") = "5"
    & skf21("6","1","6","5","6","1","3","1") = "5"
    & skf21("6","1","6","5","6","1","4","1") = "5"
    & skf21("6","1","6","5","6","1","5","1") = "5"
    & skf21("6","1","6","5","6","1","6","1") = "5"
    & skf21("6","1","6","5","6","1","7","1") = "6"
    & skf21("6","1","6","5","6","2","1","1") = "5"
    & skf21("6","1","6","5","6","2","2","1") = "5"
    & skf21("6","1","6","5","6","2","3","1") = "5"
    & skf21("6","1","6","5","6","2","4","1") = "5"
    & skf21("6","1","6","5","6","2","5","1") = "5"
    & skf21("6","1","6","5","6","2","6","1") = "5"
    & skf21("6","1","6","5","6","2","7","1") = "6"
    & skf21("6","1","6","5","6","3","1","1") = "5"
    & skf21("6","1","6","5","6","3","2","1") = "5"
    & skf21("6","1","6","5","6","3","3","1") = "5"
    & skf21("6","1","6","5","6","3","4","1") = "5"
    & skf21("6","1","6","5","6","3","5","1") = "5"
    & skf21("6","1","6","5","6","3","6","1") = "5"
    & skf21("6","1","6","5","6","3","7","1") = "6"
    & skf21("6","1","6","5","6","4","1","1") = "5"
    & skf21("6","1","6","5","6","4","2","1") = "5"
    & skf21("6","1","6","5","6","4","3","1") = "5"
    & skf21("6","1","6","5","6","4","4","1") = "5"
    & skf21("6","1","6","5","6","4","5","1") = "5"
    & skf21("6","1","6","5","6","4","6","1") = "5"
    & skf21("6","1","6","5","6","4","7","1") = "6"
    & skf21("6","1","6","5","6","5","1","1") = "5"
    & skf21("6","1","6","5","6","5","2","1") = "5"
    & skf21("6","1","6","5","6","5","3","1") = "5"
    & skf21("6","1","6","5","6","5","4","1") = "5"
    & skf21("6","1","6","5","6","5","5","1") = "5"
    & skf21("6","1","6","5","6","5","6","1") = "5"
    & skf21("6","1","6","5","6","5","7","1") = "6"
    & skf21("6","1","6","5","6","6","1","1") = "5"
    & skf21("6","1","6","5","6","6","2","1") = "5"
    & skf21("6","1","6","5","6","6","3","1") = "5"
    & skf21("6","1","6","5","6","6","4","1") = "5"
    & skf21("6","1","6","5","6","6","5","1") = "5"
    & skf21("6","1","6","5","6","6","6","1") = "5"
    & skf21("6","1","6","5","6","6","7","1") = "6"
    & skf21("6","1","6","5","6","7","1","1") = "6"
    & skf21("6","1","6","5","6","7","2","1") = "6"
    & skf21("6","1","6","5","6","7","3","1") = "6"
    & skf21("6","1","6","5","6","7","4","1") = "6"
    & skf21("6","1","6","5","6","7","5","1") = "6"
    & skf21("6","1","6","5","6","7","6","1") = "6"
    & skf21("6","1","6","5","6","7","7","1") = "6"
    & skf21("6","1","6","5","7","1","1","1") = "6"
    & skf21("6","1","6","5","7","1","2","1") = "6"
    & skf21("6","1","6","5","7","1","3","1") = "6"
    & skf21("6","1","6","5","7","1","4","1") = "6"
    & skf21("6","1","6","5","7","1","5","1") = "6"
    & skf21("6","1","6","5","7","1","6","1") = "6"
    & skf21("6","1","6","5","7","1","7","1") = "6"
    & skf21("6","1","6","5","7","2","1","1") = "6"
    & skf21("6","1","6","5","7","2","2","1") = "6"
    & skf21("6","1","6","5","7","2","3","1") = "6"
    & skf21("6","1","6","5","7","2","4","1") = "6"
    & skf21("6","1","6","5","7","2","5","1") = "6"
    & skf21("6","1","6","5","7","2","6","1") = "6"
    & skf21("6","1","6","5","7","2","7","1") = "6"
    & skf21("6","1","6","5","7","3","1","1") = "6"
    & skf21("6","1","6","5","7","3","2","1") = "6"
    & skf21("6","1","6","5","7","3","3","1") = "6"
    & skf21("6","1","6","5","7","3","4","1") = "6"
    & skf21("6","1","6","5","7","3","5","1") = "6"
    & skf21("6","1","6","5","7","3","6","1") = "6"
    & skf21("6","1","6","5","7","3","7","1") = "6"
    & skf21("6","1","6","5","7","4","1","1") = "6"
    & skf21("6","1","6","5","7","4","2","1") = "6"
    & skf21("6","1","6","5","7","4","3","1") = "6"
    & skf21("6","1","6","5","7","4","4","1") = "6"
    & skf21("6","1","6","5","7","4","5","1") = "6"
    & skf21("6","1","6","5","7","4","6","1") = "6"
    & skf21("6","1","6","5","7","4","7","1") = "6"
    & skf21("6","1","6","5","7","5","1","1") = "6"
    & skf21("6","1","6","5","7","5","2","1") = "6"
    & skf21("6","1","6","5","7","5","3","1") = "6"
    & skf21("6","1","6","5","7","5","4","1") = "6"
    & skf21("6","1","6","5","7","5","5","1") = "6"
    & skf21("6","1","6","5","7","5","6","1") = "6"
    & skf21("6","1","6","5","7","5","7","1") = "6"
    & skf21("6","1","6","5","7","6","1","1") = "6"
    & skf21("6","1","6","5","7","6","2","1") = "6"
    & skf21("6","1","6","5","7","6","3","1") = "6"
    & skf21("6","1","6","5","7","6","4","1") = "6"
    & skf21("6","1","6","5","7","6","5","1") = "6"
    & skf21("6","1","6","5","7","6","6","1") = "6"
    & skf21("6","1","6","5","7","6","7","1") = "6"
    & skf21("6","1","6","5","7","7","1","1") = "6"
    & skf21("6","1","6","5","7","7","2","1") = "6"
    & skf21("6","1","6","5","7","7","3","1") = "6"
    & skf21("6","1","6","5","7","7","4","1") = "6"
    & skf21("6","1","6","5","7","7","5","1") = "6"
    & skf21("6","1","6","5","7","7","6","1") = "6"
    & skf21("6","1","6","5","7","7","7","1") = "6"
    & skf21("6","1","6","6","1","1","1","1") = "5"
    & skf21("6","1","6","6","1","1","2","1") = "5"
    & skf21("6","1","6","6","1","1","3","1") = "5"
    & skf21("6","1","6","6","1","1","4","1") = "5"
    & skf21("6","1","6","6","1","1","5","1") = "5"
    & skf21("6","1","6","6","1","1","6","1") = "5"
    & skf21("6","1","6","6","1","1","7","1") = "6"
    & skf21("6","1","6","6","1","2","1","1") = "5"
    & skf21("6","1","6","6","1","2","2","1") = "5"
    & skf21("6","1","6","6","1","2","3","1") = "5"
    & skf21("6","1","6","6","1","2","4","1") = "5"
    & skf21("6","1","6","6","1","2","5","1") = "5"
    & skf21("6","1","6","6","1","2","6","1") = "5"
    & skf21("6","1","6","6","1","2","7","1") = "6"
    & skf21("6","1","6","6","1","3","1","1") = "5"
    & skf21("6","1","6","6","1","3","2","1") = "5"
    & skf21("6","1","6","6","1","3","3","1") = "5"
    & skf21("6","1","6","6","1","3","4","1") = "5"
    & skf21("6","1","6","6","1","3","5","1") = "5"
    & skf21("6","1","6","6","1","3","6","1") = "5"
    & skf21("6","1","6","6","1","3","7","1") = "6"
    & skf21("6","1","6","6","1","4","1","1") = "5"
    & skf21("6","1","6","6","1","4","2","1") = "5"
    & skf21("6","1","6","6","1","4","3","1") = "5"
    & skf21("6","1","6","6","1","4","4","1") = "5"
    & skf21("6","1","6","6","1","4","5","1") = "5"
    & skf21("6","1","6","6","1","4","6","1") = "5"
    & skf21("6","1","6","6","1","4","7","1") = "6"
    & skf21("6","1","6","6","1","5","1","1") = "5"
    & skf21("6","1","6","6","1","5","2","1") = "5"
    & skf21("6","1","6","6","1","5","3","1") = "5"
    & skf21("6","1","6","6","1","5","4","1") = "5"
    & skf21("6","1","6","6","1","5","5","1") = "5"
    & skf21("6","1","6","6","1","5","6","1") = "5"
    & skf21("6","1","6","6","1","5","7","1") = "6"
    & skf21("6","1","6","6","1","6","1","1") = "5"
    & skf21("6","1","6","6","1","6","2","1") = "5"
    & skf21("6","1","6","6","1","6","3","1") = "5"
    & skf21("6","1","6","6","1","6","4","1") = "5"
    & skf21("6","1","6","6","1","6","5","1") = "5"
    & skf21("6","1","6","6","1","6","6","1") = "5"
    & skf21("6","1","6","6","1","6","7","1") = "6"
    & skf21("6","1","6","6","1","7","1","1") = "6"
    & skf21("6","1","6","6","1","7","2","1") = "6"
    & skf21("6","1","6","6","1","7","3","1") = "6"
    & skf21("6","1","6","6","1","7","4","1") = "6"
    & skf21("6","1","6","6","1","7","5","1") = "6"
    & skf21("6","1","6","6","1","7","6","1") = "6"
    & skf21("6","1","6","6","1","7","7","1") = "6"
    & skf21("6","1","6","6","2","1","1","1") = "5"
    & skf21("6","1","6","6","2","1","2","1") = "5"
    & skf21("6","1","6","6","2","1","3","1") = "5"
    & skf21("6","1","6","6","2","1","4","1") = "5"
    & skf21("6","1","6","6","2","1","5","1") = "5"
    & skf21("6","1","6","6","2","1","6","1") = "5"
    & skf21("6","1","6","6","2","1","7","1") = "6"
    & skf21("6","1","6","6","2","2","1","1") = "5"
    & skf21("6","1","6","6","2","2","2","1") = "5"
    & skf21("6","1","6","6","2","2","3","1") = "5"
    & skf21("6","1","6","6","2","2","4","1") = "5"
    & skf21("6","1","6","6","2","2","5","1") = "5"
    & skf21("6","1","6","6","2","2","6","1") = "5"
    & skf21("6","1","6","6","2","2","7","1") = "6"
    & skf21("6","1","6","6","2","3","1","1") = "5"
    & skf21("6","1","6","6","2","3","2","1") = "5"
    & skf21("6","1","6","6","2","3","3","1") = "5"
    & skf21("6","1","6","6","2","3","4","1") = "5"
    & skf21("6","1","6","6","2","3","5","1") = "5"
    & skf21("6","1","6","6","2","3","6","1") = "5"
    & skf21("6","1","6","6","2","3","7","1") = "6"
    & skf21("6","1","6","6","2","4","1","1") = "5"
    & skf21("6","1","6","6","2","4","2","1") = "5"
    & skf21("6","1","6","6","2","4","3","1") = "5"
    & skf21("6","1","6","6","2","4","4","1") = "5"
    & skf21("6","1","6","6","2","4","5","1") = "5"
    & skf21("6","1","6","6","2","4","6","1") = "5"
    & skf21("6","1","6","6","2","4","7","1") = "6"
    & skf21("6","1","6","6","2","5","1","1") = "5"
    & skf21("6","1","6","6","2","5","2","1") = "5"
    & skf21("6","1","6","6","2","5","3","1") = "5"
    & skf21("6","1","6","6","2","5","4","1") = "5"
    & skf21("6","1","6","6","2","5","5","1") = "5"
    & skf21("6","1","6","6","2","5","6","1") = "5"
    & skf21("6","1","6","6","2","5","7","1") = "6"
    & skf21("6","1","6","6","2","6","1","1") = "5"
    & skf21("6","1","6","6","2","6","2","1") = "5"
    & skf21("6","1","6","6","2","6","3","1") = "5"
    & skf21("6","1","6","6","2","6","4","1") = "5"
    & skf21("6","1","6","6","2","6","5","1") = "5"
    & skf21("6","1","6","6","2","6","6","1") = "5"
    & skf21("6","1","6","6","2","6","7","1") = "6"
    & skf21("6","1","6","6","2","7","1","1") = "6"
    & skf21("6","1","6","6","2","7","2","1") = "6"
    & skf21("6","1","6","6","2","7","3","1") = "6"
    & skf21("6","1","6","6","2","7","4","1") = "6"
    & skf21("6","1","6","6","2","7","5","1") = "6"
    & skf21("6","1","6","6","2","7","6","1") = "6"
    & skf21("6","1","6","6","2","7","7","1") = "6"
    & skf21("6","1","6","6","3","1","1","1") = "5"
    & skf21("6","1","6","6","3","1","2","1") = "5"
    & skf21("6","1","6","6","3","1","3","1") = "5"
    & skf21("6","1","6","6","3","1","4","1") = "5"
    & skf21("6","1","6","6","3","1","5","1") = "5"
    & skf21("6","1","6","6","3","1","6","1") = "5"
    & skf21("6","1","6","6","3","1","7","1") = "6"
    & skf21("6","1","6","6","3","2","1","1") = "5"
    & skf21("6","1","6","6","3","2","2","1") = "5"
    & skf21("6","1","6","6","3","2","3","1") = "5"
    & skf21("6","1","6","6","3","2","4","1") = "5"
    & skf21("6","1","6","6","3","2","5","1") = "5"
    & skf21("6","1","6","6","3","2","6","1") = "5"
    & skf21("6","1","6","6","3","2","7","1") = "6"
    & skf21("6","1","6","6","3","3","1","1") = "5"
    & skf21("6","1","6","6","3","3","2","1") = "5"
    & skf21("6","1","6","6","3","3","3","1") = "5"
    & skf21("6","1","6","6","3","3","4","1") = "5"
    & skf21("6","1","6","6","3","3","5","1") = "5"
    & skf21("6","1","6","6","3","3","6","1") = "5"
    & skf21("6","1","6","6","3","3","7","1") = "6"
    & skf21("6","1","6","6","3","4","1","1") = "5"
    & skf21("6","1","6","6","3","4","2","1") = "5"
    & skf21("6","1","6","6","3","4","3","1") = "5"
    & skf21("6","1","6","6","3","4","4","1") = "5"
    & skf21("6","1","6","6","3","4","5","1") = "5"
    & skf21("6","1","6","6","3","4","6","1") = "5"
    & skf21("6","1","6","6","3","4","7","1") = "6"
    & skf21("6","1","6","6","3","5","1","1") = "5"
    & skf21("6","1","6","6","3","5","2","1") = "5"
    & skf21("6","1","6","6","3","5","3","1") = "5"
    & skf21("6","1","6","6","3","5","4","1") = "5"
    & skf21("6","1","6","6","3","5","5","1") = "5"
    & skf21("6","1","6","6","3","5","6","1") = "5"
    & skf21("6","1","6","6","3","5","7","1") = "6"
    & skf21("6","1","6","6","3","6","1","1") = "5"
    & skf21("6","1","6","6","3","6","2","1") = "5"
    & skf21("6","1","6","6","3","6","3","1") = "5"
    & skf21("6","1","6","6","3","6","4","1") = "5"
    & skf21("6","1","6","6","3","6","5","1") = "5"
    & skf21("6","1","6","6","3","6","6","1") = "5"
    & skf21("6","1","6","6","3","6","7","1") = "6"
    & skf21("6","1","6","6","3","7","1","1") = "6"
    & skf21("6","1","6","6","3","7","2","1") = "6"
    & skf21("6","1","6","6","3","7","3","1") = "6"
    & skf21("6","1","6","6","3","7","4","1") = "6"
    & skf21("6","1","6","6","3","7","5","1") = "6"
    & skf21("6","1","6","6","3","7","6","1") = "6"
    & skf21("6","1","6","6","3","7","7","1") = "6"
    & skf21("6","1","6","6","4","1","1","1") = "5"
    & skf21("6","1","6","6","4","1","2","1") = "5"
    & skf21("6","1","6","6","4","1","3","1") = "5"
    & skf21("6","1","6","6","4","1","4","1") = "5"
    & skf21("6","1","6","6","4","1","5","1") = "5"
    & skf21("6","1","6","6","4","1","6","1") = "5"
    & skf21("6","1","6","6","4","1","7","1") = "6"
    & skf21("6","1","6","6","4","2","1","1") = "5"
    & skf21("6","1","6","6","4","2","2","1") = "5"
    & skf21("6","1","6","6","4","2","3","1") = "5"
    & skf21("6","1","6","6","4","2","4","1") = "5"
    & skf21("6","1","6","6","4","2","5","1") = "5"
    & skf21("6","1","6","6","4","2","6","1") = "5"
    & skf21("6","1","6","6","4","2","7","1") = "6"
    & skf21("6","1","6","6","4","3","1","1") = "5"
    & skf21("6","1","6","6","4","3","2","1") = "5"
    & skf21("6","1","6","6","4","3","3","1") = "5"
    & skf21("6","1","6","6","4","3","4","1") = "5"
    & skf21("6","1","6","6","4","3","5","1") = "5"
    & skf21("6","1","6","6","4","3","6","1") = "5"
    & skf21("6","1","6","6","4","3","7","1") = "6"
    & skf21("6","1","6","6","4","4","1","1") = "5"
    & skf21("6","1","6","6","4","4","2","1") = "5"
    & skf21("6","1","6","6","4","4","3","1") = "5"
    & skf21("6","1","6","6","4","4","4","1") = "5"
    & skf21("6","1","6","6","4","4","5","1") = "5"
    & skf21("6","1","6","6","4","4","6","1") = "5"
    & skf21("6","1","6","6","4","4","7","1") = "6"
    & skf21("6","1","6","6","4","5","1","1") = "5"
    & skf21("6","1","6","6","4","5","2","1") = "5"
    & skf21("6","1","6","6","4","5","3","1") = "5"
    & skf21("6","1","6","6","4","5","4","1") = "5"
    & skf21("6","1","6","6","4","5","5","1") = "5"
    & skf21("6","1","6","6","4","5","6","1") = "5"
    & skf21("6","1","6","6","4","5","7","1") = "6"
    & skf21("6","1","6","6","4","6","1","1") = "5"
    & skf21("6","1","6","6","4","6","2","1") = "5"
    & skf21("6","1","6","6","4","6","3","1") = "5"
    & skf21("6","1","6","6","4","6","4","1") = "5"
    & skf21("6","1","6","6","4","6","5","1") = "5"
    & skf21("6","1","6","6","4","6","6","1") = "5"
    & skf21("6","1","6","6","4","6","7","1") = "6"
    & skf21("6","1","6","6","4","7","1","1") = "6"
    & skf21("6","1","6","6","4","7","2","1") = "6"
    & skf21("6","1","6","6","4","7","3","1") = "6"
    & skf21("6","1","6","6","4","7","4","1") = "6"
    & skf21("6","1","6","6","4","7","5","1") = "6"
    & skf21("6","1","6","6","4","7","6","1") = "6"
    & skf21("6","1","6","6","4","7","7","1") = "6"
    & skf21("6","1","6","6","5","1","1","1") = "5"
    & skf21("6","1","6","6","5","1","2","1") = "5"
    & skf21("6","1","6","6","5","1","3","1") = "5"
    & skf21("6","1","6","6","5","1","4","1") = "5"
    & skf21("6","1","6","6","5","1","5","1") = "5"
    & skf21("6","1","6","6","5","1","6","1") = "5"
    & skf21("6","1","6","6","5","1","7","1") = "6"
    & skf21("6","1","6","6","5","2","1","1") = "5"
    & skf21("6","1","6","6","5","2","2","1") = "5"
    & skf21("6","1","6","6","5","2","3","1") = "5"
    & skf21("6","1","6","6","5","2","4","1") = "5"
    & skf21("6","1","6","6","5","2","5","1") = "5"
    & skf21("6","1","6","6","5","2","6","1") = "5"
    & skf21("6","1","6","6","5","2","7","1") = "6"
    & skf21("6","1","6","6","5","3","1","1") = "5"
    & skf21("6","1","6","6","5","3","2","1") = "5"
    & skf21("6","1","6","6","5","3","3","1") = "5"
    & skf21("6","1","6","6","5","3","4","1") = "5"
    & skf21("6","1","6","6","5","3","5","1") = "5"
    & skf21("6","1","6","6","5","3","6","1") = "5"
    & skf21("6","1","6","6","5","3","7","1") = "6"
    & skf21("6","1","6","6","5","4","1","1") = "5"
    & skf21("6","1","6","6","5","4","2","1") = "5"
    & skf21("6","1","6","6","5","4","3","1") = "5"
    & skf21("6","1","6","6","5","4","4","1") = "5"
    & skf21("6","1","6","6","5","4","5","1") = "5"
    & skf21("6","1","6","6","5","4","6","1") = "5"
    & skf21("6","1","6","6","5","4","7","1") = "6"
    & skf21("6","1","6","6","5","5","1","1") = "5"
    & skf21("6","1","6","6","5","5","2","1") = "5"
    & skf21("6","1","6","6","5","5","3","1") = "5"
    & skf21("6","1","6","6","5","5","4","1") = "5"
    & skf21("6","1","6","6","5","5","5","1") = "5"
    & skf21("6","1","6","6","5","5","6","1") = "5"
    & skf21("6","1","6","6","5","5","7","1") = "6"
    & skf21("6","1","6","6","5","6","1","1") = "5"
    & skf21("6","1","6","6","5","6","2","1") = "5"
    & skf21("6","1","6","6","5","6","3","1") = "5"
    & skf21("6","1","6","6","5","6","4","1") = "5"
    & skf21("6","1","6","6","5","6","5","1") = "5"
    & skf21("6","1","6","6","5","6","6","1") = "5"
    & skf21("6","1","6","6","5","6","7","1") = "6"
    & skf21("6","1","6","6","5","7","1","1") = "6"
    & skf21("6","1","6","6","5","7","2","1") = "6"
    & skf21("6","1","6","6","5","7","3","1") = "6"
    & skf21("6","1","6","6","5","7","4","1") = "6"
    & skf21("6","1","6","6","5","7","5","1") = "6"
    & skf21("6","1","6","6","5","7","6","1") = "6"
    & skf21("6","1","6","6","5","7","7","1") = "6"
    & skf21("6","1","6","6","6","1","1","1") = "5"
    & skf21("6","1","6","6","6","1","2","1") = "5"
    & skf21("6","1","6","6","6","1","3","1") = "5"
    & skf21("6","1","6","6","6","1","4","1") = "5"
    & skf21("6","1","6","6","6","1","5","1") = "5"
    & skf21("6","1","6","6","6","1","6","1") = "5"
    & skf21("6","1","6","6","6","1","7","1") = "6"
    & skf21("6","1","6","6","6","2","1","1") = "5"
    & skf21("6","1","6","6","6","2","2","1") = "5"
    & skf21("6","1","6","6","6","2","3","1") = "5"
    & skf21("6","1","6","6","6","2","4","1") = "5"
    & skf21("6","1","6","6","6","2","5","1") = "5"
    & skf21("6","1","6","6","6","2","6","1") = "5"
    & skf21("6","1","6","6","6","2","7","1") = "6"
    & skf21("6","1","6","6","6","3","1","1") = "5"
    & skf21("6","1","6","6","6","3","2","1") = "5"
    & skf21("6","1","6","6","6","3","3","1") = "5"
    & skf21("6","1","6","6","6","3","4","1") = "5"
    & skf21("6","1","6","6","6","3","5","1") = "5"
    & skf21("6","1","6","6","6","3","6","1") = "5"
    & skf21("6","1","6","6","6","3","7","1") = "6"
    & skf21("6","1","6","6","6","4","1","1") = "5"
    & skf21("6","1","6","6","6","4","2","1") = "5"
    & skf21("6","1","6","6","6","4","3","1") = "5"
    & skf21("6","1","6","6","6","4","4","1") = "5"
    & skf21("6","1","6","6","6","4","5","1") = "5"
    & skf21("6","1","6","6","6","4","6","1") = "5"
    & skf21("6","1","6","6","6","4","7","1") = "6"
    & skf21("6","1","6","6","6","5","1","1") = "5"
    & skf21("6","1","6","6","6","5","2","1") = "5"
    & skf21("6","1","6","6","6","5","3","1") = "5"
    & skf21("6","1","6","6","6","5","4","1") = "5"
    & skf21("6","1","6","6","6","5","5","1") = "5"
    & skf21("6","1","6","6","6","5","6","1") = "5"
    & skf21("6","1","6","6","6","5","7","1") = "6"
    & skf21("6","1","6","6","6","6","1","1") = "5"
    & skf21("6","1","6","6","6","6","2","1") = "5"
    & skf21("6","1","6","6","6","6","3","1") = "5"
    & skf21("6","1","6","6","6","6","4","1") = "5"
    & skf21("6","1","6","6","6","6","5","1") = "5"
    & skf21("6","1","6","6","6","6","6","1") = "5"
    & skf21("6","1","6","6","6","6","7","1") = "6"
    & skf21("6","1","6","6","6","7","1","1") = "6"
    & skf21("6","1","6","6","6","7","2","1") = "6"
    & skf21("6","1","6","6","6","7","3","1") = "6"
    & skf21("6","1","6","6","6","7","4","1") = "6"
    & skf21("6","1","6","6","6","7","5","1") = "6"
    & skf21("6","1","6","6","6","7","6","1") = "6"
    & skf21("6","1","6","6","6","7","7","1") = "6"
    & skf21("6","1","6","6","7","1","1","1") = "6"
    & skf21("6","1","6","6","7","1","2","1") = "6"
    & skf21("6","1","6","6","7","1","3","1") = "6"
    & skf21("6","1","6","6","7","1","4","1") = "6"
    & skf21("6","1","6","6","7","1","5","1") = "6"
    & skf21("6","1","6","6","7","1","6","1") = "6"
    & skf21("6","1","6","6","7","1","7","1") = "6"
    & skf21("6","1","6","6","7","2","1","1") = "6"
    & skf21("6","1","6","6","7","2","2","1") = "6"
    & skf21("6","1","6","6","7","2","3","1") = "6"
    & skf21("6","1","6","6","7","2","4","1") = "6"
    & skf21("6","1","6","6","7","2","5","1") = "6"
    & skf21("6","1","6","6","7","2","6","1") = "6"
    & skf21("6","1","6","6","7","2","7","1") = "6"
    & skf21("6","1","6","6","7","3","1","1") = "6"
    & skf21("6","1","6","6","7","3","2","1") = "6"
    & skf21("6","1","6","6","7","3","3","1") = "6"
    & skf21("6","1","6","6","7","3","4","1") = "6"
    & skf21("6","1","6","6","7","3","5","1") = "6"
    & skf21("6","1","6","6","7","3","6","1") = "6"
    & skf21("6","1","6","6","7","3","7","1") = "6"
    & skf21("6","1","6","6","7","4","1","1") = "6"
    & skf21("6","1","6","6","7","4","2","1") = "6"
    & skf21("6","1","6","6","7","4","3","1") = "6"
    & skf21("6","1","6","6","7","4","4","1") = "6"
    & skf21("6","1","6","6","7","4","5","1") = "6"
    & skf21("6","1","6","6","7","4","6","1") = "6"
    & skf21("6","1","6","6","7","4","7","1") = "6"
    & skf21("6","1","6","6","7","5","1","1") = "6"
    & skf21("6","1","6","6","7","5","2","1") = "6"
    & skf21("6","1","6","6","7","5","3","1") = "6"
    & skf21("6","1","6","6","7","5","4","1") = "6"
    & skf21("6","1","6","6","7","5","5","1") = "6"
    & skf21("6","1","6","6","7","5","6","1") = "6"
    & skf21("6","1","6","6","7","5","7","1") = "6"
    & skf21("6","1","6","6","7","6","1","1") = "6"
    & skf21("6","1","6","6","7","6","2","1") = "6"
    & skf21("6","1","6","6","7","6","3","1") = "6"
    & skf21("6","1","6","6","7","6","4","1") = "6"
    & skf21("6","1","6","6","7","6","5","1") = "6"
    & skf21("6","1","6","6","7","6","6","1") = "6"
    & skf21("6","1","6","6","7","6","7","1") = "6"
    & skf21("6","1","6","6","7","7","1","1") = "6"
    & skf21("6","1","6","6","7","7","2","1") = "6"
    & skf21("6","1","6","6","7","7","3","1") = "6"
    & skf21("6","1","6","6","7","7","4","1") = "6"
    & skf21("6","1","6","6","7","7","5","1") = "6"
    & skf21("6","1","6","6","7","7","6","1") = "6"
    & skf21("6","1","6","6","7","7","7","1") = "6"
    & skf21("6","1","6","7","1","1","1","1") = "6"
    & skf21("6","1","6","7","1","1","2","1") = "6"
    & skf21("6","1","6","7","1","1","3","1") = "6"
    & skf21("6","1","6","7","1","1","4","1") = "6"
    & skf21("6","1","6","7","1","1","5","1") = "6"
    & skf21("6","1","6","7","1","1","6","1") = "6"
    & skf21("6","1","6","7","1","1","7","1") = "6"
    & skf21("6","1","6","7","1","2","1","1") = "6"
    & skf21("6","1","6","7","1","2","2","1") = "6"
    & skf21("6","1","6","7","1","2","3","1") = "6"
    & skf21("6","1","6","7","1","2","4","1") = "6"
    & skf21("6","1","6","7","1","2","5","1") = "6"
    & skf21("6","1","6","7","1","2","6","1") = "6"
    & skf21("6","1","6","7","1","2","7","1") = "6"
    & skf21("6","1","6","7","1","3","1","1") = "6"
    & skf21("6","1","6","7","1","3","2","1") = "6"
    & skf21("6","1","6","7","1","3","3","1") = "6"
    & skf21("6","1","6","7","1","3","4","1") = "6"
    & skf21("6","1","6","7","1","3","5","1") = "6"
    & skf21("6","1","6","7","1","3","6","1") = "6"
    & skf21("6","1","6","7","1","3","7","1") = "6"
    & skf21("6","1","6","7","1","4","1","1") = "6"
    & skf21("6","1","6","7","1","4","2","1") = "6"
    & skf21("6","1","6","7","1","4","3","1") = "6"
    & skf21("6","1","6","7","1","4","4","1") = "6"
    & skf21("6","1","6","7","1","4","5","1") = "6"
    & skf21("6","1","6","7","1","4","6","1") = "6"
    & skf21("6","1","6","7","1","4","7","1") = "6"
    & skf21("6","1","6","7","1","5","1","1") = "6"
    & skf21("6","1","6","7","1","5","2","1") = "6"
    & skf21("6","1","6","7","1","5","3","1") = "6"
    & skf21("6","1","6","7","1","5","4","1") = "6"
    & skf21("6","1","6","7","1","5","5","1") = "6"
    & skf21("6","1","6","7","1","5","6","1") = "6"
    & skf21("6","1","6","7","1","5","7","1") = "6"
    & skf21("6","1","6","7","1","6","1","1") = "6"
    & skf21("6","1","6","7","1","6","2","1") = "6"
    & skf21("6","1","6","7","1","6","3","1") = "6"
    & skf21("6","1","6","7","1","6","4","1") = "6"
    & skf21("6","1","6","7","1","6","5","1") = "6"
    & skf21("6","1","6","7","1","6","6","1") = "6"
    & skf21("6","1","6","7","1","6","7","1") = "6"
    & skf21("6","1","6","7","1","7","1","1") = "6"
    & skf21("6","1","6","7","1","7","2","1") = "6"
    & skf21("6","1","6","7","1","7","3","1") = "6"
    & skf21("6","1","6","7","1","7","4","1") = "6"
    & skf21("6","1","6","7","1","7","5","1") = "6"
    & skf21("6","1","6","7","1","7","6","1") = "6"
    & skf21("6","1","6","7","1","7","7","1") = "6"
    & skf21("6","1","6","7","2","1","1","1") = "6"
    & skf21("6","1","6","7","2","1","2","1") = "6"
    & skf21("6","1","6","7","2","1","3","1") = "6"
    & skf21("6","1","6","7","2","1","4","1") = "6"
    & skf21("6","1","6","7","2","1","5","1") = "6"
    & skf21("6","1","6","7","2","1","6","1") = "6"
    & skf21("6","1","6","7","2","1","7","1") = "6"
    & skf21("6","1","6","7","2","2","1","1") = "6"
    & skf21("6","1","6","7","2","2","2","1") = "6"
    & skf21("6","1","6","7","2","2","3","1") = "6"
    & skf21("6","1","6","7","2","2","4","1") = "6"
    & skf21("6","1","6","7","2","2","5","1") = "6"
    & skf21("6","1","6","7","2","2","6","1") = "6"
    & skf21("6","1","6","7","2","2","7","1") = "6"
    & skf21("6","1","6","7","2","3","1","1") = "6"
    & skf21("6","1","6","7","2","3","2","1") = "6"
    & skf21("6","1","6","7","2","3","3","1") = "6"
    & skf21("6","1","6","7","2","3","4","1") = "6"
    & skf21("6","1","6","7","2","3","5","1") = "6"
    & skf21("6","1","6","7","2","3","6","1") = "6"
    & skf21("6","1","6","7","2","3","7","1") = "6"
    & skf21("6","1","6","7","2","4","1","1") = "6"
    & skf21("6","1","6","7","2","4","2","1") = "6"
    & skf21("6","1","6","7","2","4","3","1") = "6"
    & skf21("6","1","6","7","2","4","4","1") = "6"
    & skf21("6","1","6","7","2","4","5","1") = "6"
    & skf21("6","1","6","7","2","4","6","1") = "6"
    & skf21("6","1","6","7","2","4","7","1") = "6"
    & skf21("6","1","6","7","2","5","1","1") = "6"
    & skf21("6","1","6","7","2","5","2","1") = "6"
    & skf21("6","1","6","7","2","5","3","1") = "6"
    & skf21("6","1","6","7","2","5","4","1") = "6"
    & skf21("6","1","6","7","2","5","5","1") = "6"
    & skf21("6","1","6","7","2","5","6","1") = "6"
    & skf21("6","1","6","7","2","5","7","1") = "6"
    & skf21("6","1","6","7","2","6","1","1") = "6"
    & skf21("6","1","6","7","2","6","2","1") = "6"
    & skf21("6","1","6","7","2","6","3","1") = "6"
    & skf21("6","1","6","7","2","6","4","1") = "6"
    & skf21("6","1","6","7","2","6","5","1") = "6"
    & skf21("6","1","6","7","2","6","6","1") = "6"
    & skf21("6","1","6","7","2","6","7","1") = "6"
    & skf21("6","1","6","7","2","7","1","1") = "6"
    & skf21("6","1","6","7","2","7","2","1") = "6"
    & skf21("6","1","6","7","2","7","3","1") = "6"
    & skf21("6","1","6","7","2","7","4","1") = "6"
    & skf21("6","1","6","7","2","7","5","1") = "6"
    & skf21("6","1","6","7","2","7","6","1") = "6"
    & skf21("6","1","6","7","2","7","7","1") = "6"
    & skf21("6","1","6","7","3","1","1","1") = "6"
    & skf21("6","1","6","7","3","1","2","1") = "6"
    & skf21("6","1","6","7","3","1","3","1") = "6"
    & skf21("6","1","6","7","3","1","4","1") = "6"
    & skf21("6","1","6","7","3","1","5","1") = "6"
    & skf21("6","1","6","7","3","1","6","1") = "6"
    & skf21("6","1","6","7","3","1","7","1") = "6"
    & skf21("6","1","6","7","3","2","1","1") = "6"
    & skf21("6","1","6","7","3","2","2","1") = "6"
    & skf21("6","1","6","7","3","2","3","1") = "6"
    & skf21("6","1","6","7","3","2","4","1") = "6"
    & skf21("6","1","6","7","3","2","5","1") = "6"
    & skf21("6","1","6","7","3","2","6","1") = "6"
    & skf21("6","1","6","7","3","2","7","1") = "6"
    & skf21("6","1","6","7","3","3","1","1") = "6"
    & skf21("6","1","6","7","3","3","2","1") = "6"
    & skf21("6","1","6","7","3","3","3","1") = "6"
    & skf21("6","1","6","7","3","3","4","1") = "6"
    & skf21("6","1","6","7","3","3","5","1") = "6"
    & skf21("6","1","6","7","3","3","6","1") = "6"
    & skf21("6","1","6","7","3","3","7","1") = "6"
    & skf21("6","1","6","7","3","4","1","1") = "6"
    & skf21("6","1","6","7","3","4","2","1") = "6"
    & skf21("6","1","6","7","3","4","3","1") = "6"
    & skf21("6","1","6","7","3","4","4","1") = "6"
    & skf21("6","1","6","7","3","4","5","1") = "6"
    & skf21("6","1","6","7","3","4","6","1") = "6"
    & skf21("6","1","6","7","3","4","7","1") = "6"
    & skf21("6","1","6","7","3","5","1","1") = "6"
    & skf21("6","1","6","7","3","5","2","1") = "6"
    & skf21("6","1","6","7","3","5","3","1") = "6"
    & skf21("6","1","6","7","3","5","4","1") = "6"
    & skf21("6","1","6","7","3","5","5","1") = "6"
    & skf21("6","1","6","7","3","5","6","1") = "6"
    & skf21("6","1","6","7","3","5","7","1") = "6"
    & skf21("6","1","6","7","3","6","1","1") = "6"
    & skf21("6","1","6","7","3","6","2","1") = "6"
    & skf21("6","1","6","7","3","6","3","1") = "6"
    & skf21("6","1","6","7","3","6","4","1") = "6"
    & skf21("6","1","6","7","3","6","5","1") = "6"
    & skf21("6","1","6","7","3","6","6","1") = "6"
    & skf21("6","1","6","7","3","6","7","1") = "6"
    & skf21("6","1","6","7","3","7","1","1") = "6"
    & skf21("6","1","6","7","3","7","2","1") = "6"
    & skf21("6","1","6","7","3","7","3","1") = "6"
    & skf21("6","1","6","7","3","7","4","1") = "6"
    & skf21("6","1","6","7","3","7","5","1") = "6"
    & skf21("6","1","6","7","3","7","6","1") = "6"
    & skf21("6","1","6","7","3","7","7","1") = "6"
    & skf21("6","1","6","7","4","1","1","1") = "6"
    & skf21("6","1","6","7","4","1","2","1") = "6"
    & skf21("6","1","6","7","4","1","3","1") = "6"
    & skf21("6","1","6","7","4","1","4","1") = "6"
    & skf21("6","1","6","7","4","1","5","1") = "6"
    & skf21("6","1","6","7","4","1","6","1") = "6"
    & skf21("6","1","6","7","4","1","7","1") = "6"
    & skf21("6","1","6","7","4","2","1","1") = "6"
    & skf21("6","1","6","7","4","2","2","1") = "6"
    & skf21("6","1","6","7","4","2","3","1") = "6"
    & skf21("6","1","6","7","4","2","4","1") = "6"
    & skf21("6","1","6","7","4","2","5","1") = "6"
    & skf21("6","1","6","7","4","2","6","1") = "6"
    & skf21("6","1","6","7","4","2","7","1") = "6"
    & skf21("6","1","6","7","4","3","1","1") = "6"
    & skf21("6","1","6","7","4","3","2","1") = "6"
    & skf21("6","1","6","7","4","3","3","1") = "6"
    & skf21("6","1","6","7","4","3","4","1") = "6"
    & skf21("6","1","6","7","4","3","5","1") = "6"
    & skf21("6","1","6","7","4","3","6","1") = "6"
    & skf21("6","1","6","7","4","3","7","1") = "6"
    & skf21("6","1","6","7","4","4","1","1") = "6"
    & skf21("6","1","6","7","4","4","2","1") = "6"
    & skf21("6","1","6","7","4","4","3","1") = "6"
    & skf21("6","1","6","7","4","4","4","1") = "6"
    & skf21("6","1","6","7","4","4","5","1") = "6"
    & skf21("6","1","6","7","4","4","6","1") = "6"
    & skf21("6","1","6","7","4","4","7","1") = "6"
    & skf21("6","1","6","7","4","5","1","1") = "6"
    & skf21("6","1","6","7","4","5","2","1") = "6"
    & skf21("6","1","6","7","4","5","3","1") = "6"
    & skf21("6","1","6","7","4","5","4","1") = "6"
    & skf21("6","1","6","7","4","5","5","1") = "6"
    & skf21("6","1","6","7","4","5","6","1") = "6"
    & skf21("6","1","6","7","4","5","7","1") = "6"
    & skf21("6","1","6","7","4","6","1","1") = "6"
    & skf21("6","1","6","7","4","6","2","1") = "6"
    & skf21("6","1","6","7","4","6","3","1") = "6"
    & skf21("6","1","6","7","4","6","4","1") = "6"
    & skf21("6","1","6","7","4","6","5","1") = "6"
    & skf21("6","1","6","7","4","6","6","1") = "6"
    & skf21("6","1","6","7","4","6","7","1") = "6"
    & skf21("6","1","6","7","4","7","1","1") = "6"
    & skf21("6","1","6","7","4","7","2","1") = "6"
    & skf21("6","1","6","7","4","7","3","1") = "6"
    & skf21("6","1","6","7","4","7","4","1") = "6"
    & skf21("6","1","6","7","4","7","5","1") = "6"
    & skf21("6","1","6","7","4","7","6","1") = "6"
    & skf21("6","1","6","7","4","7","7","1") = "6"
    & skf21("6","1","6","7","5","1","1","1") = "6"
    & skf21("6","1","6","7","5","1","2","1") = "6"
    & skf21("6","1","6","7","5","1","3","1") = "6"
    & skf21("6","1","6","7","5","1","4","1") = "6"
    & skf21("6","1","6","7","5","1","5","1") = "6"
    & skf21("6","1","6","7","5","1","6","1") = "6"
    & skf21("6","1","6","7","5","1","7","1") = "6"
    & skf21("6","1","6","7","5","2","1","1") = "6"
    & skf21("6","1","6","7","5","2","2","1") = "6"
    & skf21("6","1","6","7","5","2","3","1") = "6"
    & skf21("6","1","6","7","5","2","4","1") = "6"
    & skf21("6","1","6","7","5","2","5","1") = "6"
    & skf21("6","1","6","7","5","2","6","1") = "6"
    & skf21("6","1","6","7","5","2","7","1") = "6"
    & skf21("6","1","6","7","5","3","1","1") = "6"
    & skf21("6","1","6","7","5","3","2","1") = "6"
    & skf21("6","1","6","7","5","3","3","1") = "6"
    & skf21("6","1","6","7","5","3","4","1") = "6"
    & skf21("6","1","6","7","5","3","5","1") = "6"
    & skf21("6","1","6","7","5","3","6","1") = "6"
    & skf21("6","1","6","7","5","3","7","1") = "6"
    & skf21("6","1","6","7","5","4","1","1") = "6"
    & skf21("6","1","6","7","5","4","2","1") = "6"
    & skf21("6","1","6","7","5","4","3","1") = "6"
    & skf21("6","1","6","7","5","4","4","1") = "6"
    & skf21("6","1","6","7","5","4","5","1") = "6"
    & skf21("6","1","6","7","5","4","6","1") = "6"
    & skf21("6","1","6","7","5","4","7","1") = "6"
    & skf21("6","1","6","7","5","5","1","1") = "6"
    & skf21("6","1","6","7","5","5","2","1") = "6"
    & skf21("6","1","6","7","5","5","3","1") = "6"
    & skf21("6","1","6","7","5","5","4","1") = "6"
    & skf21("6","1","6","7","5","5","5","1") = "6"
    & skf21("6","1","6","7","5","5","6","1") = "6"
    & skf21("6","1","6","7","5","5","7","1") = "6"
    & skf21("6","1","6","7","5","6","1","1") = "6"
    & skf21("6","1","6","7","5","6","2","1") = "6"
    & skf21("6","1","6","7","5","6","3","1") = "6"
    & skf21("6","1","6","7","5","6","4","1") = "6"
    & skf21("6","1","6","7","5","6","5","1") = "6"
    & skf21("6","1","6","7","5","6","6","1") = "6"
    & skf21("6","1","6","7","5","6","7","1") = "6"
    & skf21("6","1","6","7","5","7","1","1") = "6"
    & skf21("6","1","6","7","5","7","2","1") = "6"
    & skf21("6","1","6","7","5","7","3","1") = "6"
    & skf21("6","1","6","7","5","7","4","1") = "6"
    & skf21("6","1","6","7","5","7","5","1") = "6"
    & skf21("6","1","6","7","5","7","6","1") = "6"
    & skf21("6","1","6","7","5","7","7","1") = "6"
    & skf21("6","1","6","7","6","1","1","1") = "6"
    & skf21("6","1","6","7","6","1","2","1") = "6"
    & skf21("6","1","6","7","6","1","3","1") = "6"
    & skf21("6","1","6","7","6","1","4","1") = "6"
    & skf21("6","1","6","7","6","1","5","1") = "6"
    & skf21("6","1","6","7","6","1","6","1") = "6"
    & skf21("6","1","6","7","6","1","7","1") = "6"
    & skf21("6","1","6","7","6","2","1","1") = "6"
    & skf21("6","1","6","7","6","2","2","1") = "6"
    & skf21("6","1","6","7","6","2","3","1") = "6"
    & skf21("6","1","6","7","6","2","4","1") = "6"
    & skf21("6","1","6","7","6","2","5","1") = "6"
    & skf21("6","1","6","7","6","2","6","1") = "6"
    & skf21("6","1","6","7","6","2","7","1") = "6"
    & skf21("6","1","6","7","6","3","1","1") = "6"
    & skf21("6","1","6","7","6","3","2","1") = "6"
    & skf21("6","1","6","7","6","3","3","1") = "6"
    & skf21("6","1","6","7","6","3","4","1") = "6"
    & skf21("6","1","6","7","6","3","5","1") = "6"
    & skf21("6","1","6","7","6","3","6","1") = "6"
    & skf21("6","1","6","7","6","3","7","1") = "6"
    & skf21("6","1","6","7","6","4","1","1") = "6"
    & skf21("6","1","6","7","6","4","2","1") = "6"
    & skf21("6","1","6","7","6","4","3","1") = "6"
    & skf21("6","1","6","7","6","4","4","1") = "6"
    & skf21("6","1","6","7","6","4","5","1") = "6"
    & skf21("6","1","6","7","6","4","6","1") = "6"
    & skf21("6","1","6","7","6","4","7","1") = "6"
    & skf21("6","1","6","7","6","5","1","1") = "6"
    & skf21("6","1","6","7","6","5","2","1") = "6"
    & skf21("6","1","6","7","6","5","3","1") = "6"
    & skf21("6","1","6","7","6","5","4","1") = "6"
    & skf21("6","1","6","7","6","5","5","1") = "6"
    & skf21("6","1","6","7","6","5","6","1") = "6"
    & skf21("6","1","6","7","6","5","7","1") = "6"
    & skf21("6","1","6","7","6","6","1","1") = "6"
    & skf21("6","1","6","7","6","6","2","1") = "6"
    & skf21("6","1","6","7","6","6","3","1") = "6"
    & skf21("6","1","6","7","6","6","4","1") = "6"
    & skf21("6","1","6","7","6","6","5","1") = "6"
    & skf21("6","1","6","7","6","6","6","1") = "6"
    & skf21("6","1","6","7","6","6","7","1") = "6"
    & skf21("6","1","6","7","6","7","1","1") = "6"
    & skf21("6","1","6","7","6","7","2","1") = "6"
    & skf21("6","1","6","7","6","7","3","1") = "6"
    & skf21("6","1","6","7","6","7","4","1") = "6"
    & skf21("6","1","6","7","6","7","5","1") = "6"
    & skf21("6","1","6","7","6","7","6","1") = "6"
    & skf21("6","1","6","7","6","7","7","1") = "6"
    & skf21("6","1","6","7","7","1","1","1") = "6"
    & skf21("6","1","6","7","7","1","2","1") = "6"
    & skf21("6","1","6","7","7","1","3","1") = "6"
    & skf21("6","1","6","7","7","1","4","1") = "6"
    & skf21("6","1","6","7","7","1","5","1") = "6"
    & skf21("6","1","6","7","7","1","6","1") = "6"
    & skf21("6","1","6","7","7","1","7","1") = "6"
    & skf21("6","1","6","7","7","2","1","1") = "6"
    & skf21("6","1","6","7","7","2","2","1") = "6"
    & skf21("6","1","6","7","7","2","3","1") = "6"
    & skf21("6","1","6","7","7","2","4","1") = "6"
    & skf21("6","1","6","7","7","2","5","1") = "6"
    & skf21("6","1","6","7","7","2","6","1") = "6"
    & skf21("6","1","6","7","7","2","7","1") = "6"
    & skf21("6","1","6","7","7","3","1","1") = "6"
    & skf21("6","1","6","7","7","3","2","1") = "6"
    & skf21("6","1","6","7","7","3","3","1") = "6"
    & skf21("6","1","6","7","7","3","4","1") = "6"
    & skf21("6","1","6","7","7","3","5","1") = "6"
    & skf21("6","1","6","7","7","3","6","1") = "6"
    & skf21("6","1","6","7","7","3","7","1") = "6"
    & skf21("6","1","6","7","7","4","1","1") = "6"
    & skf21("6","1","6","7","7","4","2","1") = "6"
    & skf21("6","1","6","7","7","4","3","1") = "6"
    & skf21("6","1","6","7","7","4","4","1") = "6"
    & skf21("6","1","6","7","7","4","5","1") = "6"
    & skf21("6","1","6","7","7","4","6","1") = "6"
    & skf21("6","1","6","7","7","4","7","1") = "6"
    & skf21("6","1","6","7","7","5","1","1") = "6"
    & skf21("6","1","6","7","7","5","2","1") = "6"
    & skf21("6","1","6","7","7","5","3","1") = "6"
    & skf21("6","1","6","7","7","5","4","1") = "6"
    & skf21("6","1","6","7","7","5","5","1") = "6"
    & skf21("6","1","6","7","7","5","6","1") = "6"
    & skf21("6","1","6","7","7","5","7","1") = "6"
    & skf21("6","1","6","7","7","6","1","1") = "6"
    & skf21("6","1","6","7","7","6","2","1") = "6"
    & skf21("6","1","6","7","7","6","3","1") = "6"
    & skf21("6","1","6","7","7","6","4","1") = "6"
    & skf21("6","1","6","7","7","6","5","1") = "6"
    & skf21("6","1","6","7","7","6","6","1") = "6"
    & skf21("6","1","6","7","7","6","7","1") = "6"
    & skf21("6","1","6","7","7","7","1","1") = "6"
    & skf21("6","1","6","7","7","7","2","1") = "6"
    & skf21("6","1","6","7","7","7","3","1") = "6"
    & skf21("6","1","6","7","7","7","4","1") = "6"
    & skf21("6","1","6","7","7","7","5","1") = "6"
    & skf21("6","1","6","7","7","7","6","1") = "6"
    & skf21("6","1","6","7","7","7","7","1") = "6"
    & skf21("6","1","7","1","1","1","1","1") = "6"
    & skf21("6","1","7","1","1","1","2","1") = "6"
    & skf21("6","1","7","1","1","1","3","1") = "6"
    & skf21("6","1","7","1","1","1","4","1") = "6"
    & skf21("6","1","7","1","1","1","5","1") = "6"
    & skf21("6","1","7","1","1","1","6","1") = "6"
    & skf21("6","1","7","1","1","1","7","1") = "6"
    & skf21("6","1","7","1","1","2","1","1") = "6"
    & skf21("6","1","7","1","1","2","2","1") = "6"
    & skf21("6","1","7","1","1","2","3","1") = "6"
    & skf21("6","1","7","1","1","2","4","1") = "6"
    & skf21("6","1","7","1","1","2","5","1") = "6"
    & skf21("6","1","7","1","1","2","6","1") = "6"
    & skf21("6","1","7","1","1","2","7","1") = "6"
    & skf21("6","1","7","1","1","3","1","1") = "6"
    & skf21("6","1","7","1","1","3","2","1") = "6"
    & skf21("6","1","7","1","1","3","3","1") = "6"
    & skf21("6","1","7","1","1","3","4","1") = "6"
    & skf21("6","1","7","1","1","3","5","1") = "6"
    & skf21("6","1","7","1","1","3","6","1") = "6"
    & skf21("6","1","7","1","1","3","7","1") = "6"
    & skf21("6","1","7","1","1","4","1","1") = "6"
    & skf21("6","1","7","1","1","4","2","1") = "6"
    & skf21("6","1","7","1","1","4","3","1") = "6"
    & skf21("6","1","7","1","1","4","4","1") = "6"
    & skf21("6","1","7","1","1","4","5","1") = "6"
    & skf21("6","1","7","1","1","4","6","1") = "6"
    & skf21("6","1","7","1","1","4","7","1") = "6"
    & skf21("6","1","7","1","1","5","1","1") = "6"
    & skf21("6","1","7","1","1","5","2","1") = "6"
    & skf21("6","1","7","1","1","5","3","1") = "6"
    & skf21("6","1","7","1","1","5","4","1") = "6"
    & skf21("6","1","7","1","1","5","5","1") = "6"
    & skf21("6","1","7","1","1","5","6","1") = "6"
    & skf21("6","1","7","1","1","5","7","1") = "6"
    & skf21("6","1","7","1","1","6","1","1") = "6"
    & skf21("6","1","7","1","1","6","2","1") = "6"
    & skf21("6","1","7","1","1","6","3","1") = "6"
    & skf21("6","1","7","1","1","6","4","1") = "6"
    & skf21("6","1","7","1","1","6","5","1") = "6"
    & skf21("6","1","7","1","1","6","6","1") = "6"
    & skf21("6","1","7","1","1","6","7","1") = "6"
    & skf21("6","1","7","1","1","7","1","1") = "6"
    & skf21("6","1","7","1","1","7","2","1") = "6"
    & skf21("6","1","7","1","1","7","3","1") = "6"
    & skf21("6","1","7","1","1","7","4","1") = "6"
    & skf21("6","1","7","1","1","7","5","1") = "6"
    & skf21("6","1","7","1","1","7","6","1") = "6"
    & skf21("6","1","7","1","1","7","7","1") = "6"
    & skf21("6","1","7","1","2","1","1","1") = "6"
    & skf21("6","1","7","1","2","1","2","1") = "6"
    & skf21("6","1","7","1","2","1","3","1") = "6"
    & skf21("6","1","7","1","2","1","4","1") = "6"
    & skf21("6","1","7","1","2","1","5","1") = "6"
    & skf21("6","1","7","1","2","1","6","1") = "6"
    & skf21("6","1","7","1","2","1","7","1") = "6"
    & skf21("6","1","7","1","2","2","1","1") = "6"
    & skf21("6","1","7","1","2","2","2","1") = "6"
    & skf21("6","1","7","1","2","2","3","1") = "6"
    & skf21("6","1","7","1","2","2","4","1") = "6"
    & skf21("6","1","7","1","2","2","5","1") = "6"
    & skf21("6","1","7","1","2","2","6","1") = "6"
    & skf21("6","1","7","1","2","2","7","1") = "6"
    & skf21("6","1","7","1","2","3","1","1") = "6"
    & skf21("6","1","7","1","2","3","2","1") = "6"
    & skf21("6","1","7","1","2","3","3","1") = "6"
    & skf21("6","1","7","1","2","3","4","1") = "6"
    & skf21("6","1","7","1","2","3","5","1") = "6"
    & skf21("6","1","7","1","2","3","6","1") = "6"
    & skf21("6","1","7","1","2","3","7","1") = "6"
    & skf21("6","1","7","1","2","4","1","1") = "6"
    & skf21("6","1","7","1","2","4","2","1") = "6"
    & skf21("6","1","7","1","2","4","3","1") = "6"
    & skf21("6","1","7","1","2","4","4","1") = "6"
    & skf21("6","1","7","1","2","4","5","1") = "6"
    & skf21("6","1","7","1","2","4","6","1") = "6"
    & skf21("6","1","7","1","2","4","7","1") = "6"
    & skf21("6","1","7","1","2","5","1","1") = "6"
    & skf21("6","1","7","1","2","5","2","1") = "6"
    & skf21("6","1","7","1","2","5","3","1") = "6"
    & skf21("6","1","7","1","2","5","4","1") = "6"
    & skf21("6","1","7","1","2","5","5","1") = "6"
    & skf21("6","1","7","1","2","5","6","1") = "6"
    & skf21("6","1","7","1","2","5","7","1") = "6"
    & skf21("6","1","7","1","2","6","1","1") = "6"
    & skf21("6","1","7","1","2","6","2","1") = "6"
    & skf21("6","1","7","1","2","6","3","1") = "6"
    & skf21("6","1","7","1","2","6","4","1") = "6"
    & skf21("6","1","7","1","2","6","5","1") = "6"
    & skf21("6","1","7","1","2","6","6","1") = "6"
    & skf21("6","1","7","1","2","6","7","1") = "6"
    & skf21("6","1","7","1","2","7","1","1") = "6"
    & skf21("6","1","7","1","2","7","2","1") = "6"
    & skf21("6","1","7","1","2","7","3","1") = "6"
    & skf21("6","1","7","1","2","7","4","1") = "6"
    & skf21("6","1","7","1","2","7","5","1") = "6"
    & skf21("6","1","7","1","2","7","6","1") = "6"
    & skf21("6","1","7","1","2","7","7","1") = "6"
    & skf21("6","1","7","1","3","1","1","1") = "6"
    & skf21("6","1","7","1","3","1","2","1") = "6"
    & skf21("6","1","7","1","3","1","3","1") = "6"
    & skf21("6","1","7","1","3","1","4","1") = "6"
    & skf21("6","1","7","1","3","1","5","1") = "6"
    & skf21("6","1","7","1","3","1","6","1") = "6"
    & skf21("6","1","7","1","3","1","7","1") = "6"
    & skf21("6","1","7","1","3","2","1","1") = "6"
    & skf21("6","1","7","1","3","2","2","1") = "6"
    & skf21("6","1","7","1","3","2","3","1") = "6"
    & skf21("6","1","7","1","3","2","4","1") = "6"
    & skf21("6","1","7","1","3","2","5","1") = "6"
    & skf21("6","1","7","1","3","2","6","1") = "6"
    & skf21("6","1","7","1","3","2","7","1") = "6"
    & skf21("6","1","7","1","3","3","1","1") = "6"
    & skf21("6","1","7","1","3","3","2","1") = "6"
    & skf21("6","1","7","1","3","3","3","1") = "6"
    & skf21("6","1","7","1","3","3","4","1") = "6"
    & skf21("6","1","7","1","3","3","5","1") = "6"
    & skf21("6","1","7","1","3","3","6","1") = "6"
    & skf21("6","1","7","1","3","3","7","1") = "6"
    & skf21("6","1","7","1","3","4","1","1") = "6"
    & skf21("6","1","7","1","3","4","2","1") = "6"
    & skf21("6","1","7","1","3","4","3","1") = "6"
    & skf21("6","1","7","1","3","4","4","1") = "6"
    & skf21("6","1","7","1","3","4","5","1") = "6"
    & skf21("6","1","7","1","3","4","6","1") = "6"
    & skf21("6","1","7","1","3","4","7","1") = "6"
    & skf21("6","1","7","1","3","5","1","1") = "6"
    & skf21("6","1","7","1","3","5","2","1") = "6"
    & skf21("6","1","7","1","3","5","3","1") = "6"
    & skf21("6","1","7","1","3","5","4","1") = "6"
    & skf21("6","1","7","1","3","5","5","1") = "6"
    & skf21("6","1","7","1","3","5","6","1") = "6"
    & skf21("6","1","7","1","3","5","7","1") = "6"
    & skf21("6","1","7","1","3","6","1","1") = "6"
    & skf21("6","1","7","1","3","6","2","1") = "6"
    & skf21("6","1","7","1","3","6","3","1") = "6"
    & skf21("6","1","7","1","3","6","4","1") = "6"
    & skf21("6","1","7","1","3","6","5","1") = "6"
    & skf21("6","1","7","1","3","6","6","1") = "6"
    & skf21("6","1","7","1","3","6","7","1") = "6"
    & skf21("6","1","7","1","3","7","1","1") = "6"
    & skf21("6","1","7","1","3","7","2","1") = "6"
    & skf21("6","1","7","1","3","7","3","1") = "6"
    & skf21("6","1","7","1","3","7","4","1") = "6"
    & skf21("6","1","7","1","3","7","5","1") = "6"
    & skf21("6","1","7","1","3","7","6","1") = "6"
    & skf21("6","1","7","1","3","7","7","1") = "6"
    & skf21("6","1","7","1","4","1","1","1") = "6"
    & skf21("6","1","7","1","4","1","2","1") = "6"
    & skf21("6","1","7","1","4","1","3","1") = "6"
    & skf21("6","1","7","1","4","1","4","1") = "6"
    & skf21("6","1","7","1","4","1","5","1") = "6"
    & skf21("6","1","7","1","4","1","6","1") = "6"
    & skf21("6","1","7","1","4","1","7","1") = "6"
    & skf21("6","1","7","1","4","2","1","1") = "6"
    & skf21("6","1","7","1","4","2","2","1") = "6"
    & skf21("6","1","7","1","4","2","3","1") = "6"
    & skf21("6","1","7","1","4","2","4","1") = "6"
    & skf21("6","1","7","1","4","2","5","1") = "6"
    & skf21("6","1","7","1","4","2","6","1") = "6"
    & skf21("6","1","7","1","4","2","7","1") = "6"
    & skf21("6","1","7","1","4","3","1","1") = "6"
    & skf21("6","1","7","1","4","3","2","1") = "6"
    & skf21("6","1","7","1","4","3","3","1") = "6"
    & skf21("6","1","7","1","4","3","4","1") = "6"
    & skf21("6","1","7","1","4","3","5","1") = "6"
    & skf21("6","1","7","1","4","3","6","1") = "6"
    & skf21("6","1","7","1","4","3","7","1") = "6"
    & skf21("6","1","7","1","4","4","1","1") = "6"
    & skf21("6","1","7","1","4","4","2","1") = "6"
    & skf21("6","1","7","1","4","4","3","1") = "6"
    & skf21("6","1","7","1","4","4","4","1") = "6"
    & skf21("6","1","7","1","4","4","5","1") = "6"
    & skf21("6","1","7","1","4","4","6","1") = "6"
    & skf21("6","1","7","1","4","4","7","1") = "6"
    & skf21("6","1","7","1","4","5","1","1") = "6"
    & skf21("6","1","7","1","4","5","2","1") = "6"
    & skf21("6","1","7","1","4","5","3","1") = "6"
    & skf21("6","1","7","1","4","5","4","1") = "6"
    & skf21("6","1","7","1","4","5","5","1") = "6"
    & skf21("6","1","7","1","4","5","6","1") = "6"
    & skf21("6","1","7","1","4","5","7","1") = "6"
    & skf21("6","1","7","1","4","6","1","1") = "6"
    & skf21("6","1","7","1","4","6","2","1") = "6"
    & skf21("6","1","7","1","4","6","3","1") = "6"
    & skf21("6","1","7","1","4","6","4","1") = "6"
    & skf21("6","1","7","1","4","6","5","1") = "6"
    & skf21("6","1","7","1","4","6","6","1") = "6"
    & skf21("6","1","7","1","4","6","7","1") = "6"
    & skf21("6","1","7","1","4","7","1","1") = "6"
    & skf21("6","1","7","1","4","7","2","1") = "6"
    & skf21("6","1","7","1","4","7","3","1") = "6"
    & skf21("6","1","7","1","4","7","4","1") = "6"
    & skf21("6","1","7","1","4","7","5","1") = "6"
    & skf21("6","1","7","1","4","7","6","1") = "6"
    & skf21("6","1","7","1","4","7","7","1") = "6"
    & skf21("6","1","7","1","5","1","1","1") = "6"
    & skf21("6","1","7","1","5","1","2","1") = "6"
    & skf21("6","1","7","1","5","1","3","1") = "6"
    & skf21("6","1","7","1","5","1","4","1") = "6"
    & skf21("6","1","7","1","5","1","5","1") = "6"
    & skf21("6","1","7","1","5","1","6","1") = "6"
    & skf21("6","1","7","1","5","1","7","1") = "6"
    & skf21("6","1","7","1","5","2","1","1") = "6"
    & skf21("6","1","7","1","5","2","2","1") = "6"
    & skf21("6","1","7","1","5","2","3","1") = "6"
    & skf21("6","1","7","1","5","2","4","1") = "6"
    & skf21("6","1","7","1","5","2","5","1") = "6"
    & skf21("6","1","7","1","5","2","6","1") = "6"
    & skf21("6","1","7","1","5","2","7","1") = "6"
    & skf21("6","1","7","1","5","3","1","1") = "6"
    & skf21("6","1","7","1","5","3","2","1") = "6"
    & skf21("6","1","7","1","5","3","3","1") = "6"
    & skf21("6","1","7","1","5","3","4","1") = "6"
    & skf21("6","1","7","1","5","3","5","1") = "6"
    & skf21("6","1","7","1","5","3","6","1") = "6"
    & skf21("6","1","7","1","5","3","7","1") = "6"
    & skf21("6","1","7","1","5","4","1","1") = "6"
    & skf21("6","1","7","1","5","4","2","1") = "6"
    & skf21("6","1","7","1","5","4","3","1") = "6"
    & skf21("6","1","7","1","5","4","4","1") = "6"
    & skf21("6","1","7","1","5","4","5","1") = "6"
    & skf21("6","1","7","1","5","4","6","1") = "6"
    & skf21("6","1","7","1","5","4","7","1") = "6"
    & skf21("6","1","7","1","5","5","1","1") = "6"
    & skf21("6","1","7","1","5","5","2","1") = "6"
    & skf21("6","1","7","1","5","5","3","1") = "6"
    & skf21("6","1","7","1","5","5","4","1") = "6"
    & skf21("6","1","7","1","5","5","5","1") = "6"
    & skf21("6","1","7","1","5","5","6","1") = "6"
    & skf21("6","1","7","1","5","5","7","1") = "6"
    & skf21("6","1","7","1","5","6","1","1") = "6"
    & skf21("6","1","7","1","5","6","2","1") = "6"
    & skf21("6","1","7","1","5","6","3","1") = "6"
    & skf21("6","1","7","1","5","6","4","1") = "6"
    & skf21("6","1","7","1","5","6","5","1") = "6"
    & skf21("6","1","7","1","5","6","6","1") = "6"
    & skf21("6","1","7","1","5","6","7","1") = "6"
    & skf21("6","1","7","1","5","7","1","1") = "6"
    & skf21("6","1","7","1","5","7","2","1") = "6"
    & skf21("6","1","7","1","5","7","3","1") = "6"
    & skf21("6","1","7","1","5","7","4","1") = "6"
    & skf21("6","1","7","1","5","7","5","1") = "6"
    & skf21("6","1","7","1","5","7","6","1") = "6"
    & skf21("6","1","7","1","5","7","7","1") = "6"
    & skf21("6","1","7","1","6","1","1","1") = "6"
    & skf21("6","1","7","1","6","1","2","1") = "6"
    & skf21("6","1","7","1","6","1","3","1") = "6"
    & skf21("6","1","7","1","6","1","4","1") = "6"
    & skf21("6","1","7","1","6","1","5","1") = "6"
    & skf21("6","1","7","1","6","1","6","1") = "6"
    & skf21("6","1","7","1","6","1","7","1") = "6"
    & skf21("6","1","7","1","6","2","1","1") = "6"
    & skf21("6","1","7","1","6","2","2","1") = "6"
    & skf21("6","1","7","1","6","2","3","1") = "6"
    & skf21("6","1","7","1","6","2","4","1") = "6"
    & skf21("6","1","7","1","6","2","5","1") = "6"
    & skf21("6","1","7","1","6","2","6","1") = "6"
    & skf21("6","1","7","1","6","2","7","1") = "6"
    & skf21("6","1","7","1","6","3","1","1") = "6"
    & skf21("6","1","7","1","6","3","2","1") = "6"
    & skf21("6","1","7","1","6","3","3","1") = "6"
    & skf21("6","1","7","1","6","3","4","1") = "6"
    & skf21("6","1","7","1","6","3","5","1") = "6"
    & skf21("6","1","7","1","6","3","6","1") = "6"
    & skf21("6","1","7","1","6","3","7","1") = "6"
    & skf21("6","1","7","1","6","4","1","1") = "6"
    & skf21("6","1","7","1","6","4","2","1") = "6"
    & skf21("6","1","7","1","6","4","3","1") = "6"
    & skf21("6","1","7","1","6","4","4","1") = "6"
    & skf21("6","1","7","1","6","4","5","1") = "6"
    & skf21("6","1","7","1","6","4","6","1") = "6"
    & skf21("6","1","7","1","6","4","7","1") = "6"
    & skf21("6","1","7","1","6","5","1","1") = "6"
    & skf21("6","1","7","1","6","5","2","1") = "6"
    & skf21("6","1","7","1","6","5","3","1") = "6"
    & skf21("6","1","7","1","6","5","4","1") = "6"
    & skf21("6","1","7","1","6","5","5","1") = "6"
    & skf21("6","1","7","1","6","5","6","1") = "6"
    & skf21("6","1","7","1","6","5","7","1") = "6"
    & skf21("6","1","7","1","6","6","1","1") = "6"
    & skf21("6","1","7","1","6","6","2","1") = "6"
    & skf21("6","1","7","1","6","6","3","1") = "6"
    & skf21("6","1","7","1","6","6","4","1") = "6"
    & skf21("6","1","7","1","6","6","5","1") = "6"
    & skf21("6","1","7","1","6","6","6","1") = "6"
    & skf21("6","1","7","1","6","6","7","1") = "6"
    & skf21("6","1","7","1","6","7","1","1") = "6"
    & skf21("6","1","7","1","6","7","2","1") = "6"
    & skf21("6","1","7","1","6","7","3","1") = "6"
    & skf21("6","1","7","1","6","7","4","1") = "6"
    & skf21("6","1","7","1","6","7","5","1") = "6"
    & skf21("6","1","7","1","6","7","6","1") = "6"
    & skf21("6","1","7","1","6","7","7","1") = "6"
    & skf21("6","1","7","1","7","1","1","1") = "6"
    & skf21("6","1","7","1","7","1","2","1") = "6"
    & skf21("6","1","7","1","7","1","3","1") = "6"
    & skf21("6","1","7","1","7","1","4","1") = "6"
    & skf21("6","1","7","1","7","1","5","1") = "6"
    & skf21("6","1","7","1","7","1","6","1") = "6"
    & skf21("6","1","7","1","7","1","7","1") = "6"
    & skf21("6","1","7","1","7","2","1","1") = "6"
    & skf21("6","1","7","1","7","2","2","1") = "6"
    & skf21("6","1","7","1","7","2","3","1") = "6"
    & skf21("6","1","7","1","7","2","4","1") = "6"
    & skf21("6","1","7","1","7","2","5","1") = "6"
    & skf21("6","1","7","1","7","2","6","1") = "6"
    & skf21("6","1","7","1","7","2","7","1") = "6"
    & skf21("6","1","7","1","7","3","1","1") = "6"
    & skf21("6","1","7","1","7","3","2","1") = "6"
    & skf21("6","1","7","1","7","3","3","1") = "6"
    & skf21("6","1","7","1","7","3","4","1") = "6"
    & skf21("6","1","7","1","7","3","5","1") = "6"
    & skf21("6","1","7","1","7","3","6","1") = "6"
    & skf21("6","1","7","1","7","3","7","1") = "6"
    & skf21("6","1","7","1","7","4","1","1") = "6"
    & skf21("6","1","7","1","7","4","2","1") = "6"
    & skf21("6","1","7","1","7","4","3","1") = "6"
    & skf21("6","1","7","1","7","4","4","1") = "6"
    & skf21("6","1","7","1","7","4","5","1") = "6"
    & skf21("6","1","7","1","7","4","6","1") = "6"
    & skf21("6","1","7","1","7","4","7","1") = "6"
    & skf21("6","1","7","1","7","5","1","1") = "6"
    & skf21("6","1","7","1","7","5","2","1") = "6"
    & skf21("6","1","7","1","7","5","3","1") = "6"
    & skf21("6","1","7","1","7","5","4","1") = "6"
    & skf21("6","1","7","1","7","5","5","1") = "6"
    & skf21("6","1","7","1","7","5","6","1") = "6"
    & skf21("6","1","7","1","7","5","7","1") = "6"
    & skf21("6","1","7","1","7","6","1","1") = "6"
    & skf21("6","1","7","1","7","6","2","1") = "6"
    & skf21("6","1","7","1","7","6","3","1") = "6"
    & skf21("6","1","7","1","7","6","4","1") = "6"
    & skf21("6","1","7","1","7","6","5","1") = "6"
    & skf21("6","1","7","1","7","6","6","1") = "6"
    & skf21("6","1","7","1","7","6","7","1") = "6"
    & skf21("6","1","7","1","7","7","1","1") = "6"
    & skf21("6","1","7","1","7","7","2","1") = "6"
    & skf21("6","1","7","1","7","7","3","1") = "6"
    & skf21("6","1","7","1","7","7","4","1") = "6"
    & skf21("6","1","7","1","7","7","5","1") = "6"
    & skf21("6","1","7","1","7","7","6","1") = "6"
    & skf21("6","1","7","1","7","7","7","1") = "6"
    & skf21("6","1","7","2","1","1","1","1") = "6"
    & skf21("6","1","7","2","1","1","2","1") = "6"
    & skf21("6","1","7","2","1","1","3","1") = "6"
    & skf21("6","1","7","2","1","1","4","1") = "6"
    & skf21("6","1","7","2","1","1","5","1") = "6"
    & skf21("6","1","7","2","1","1","6","1") = "6"
    & skf21("6","1","7","2","1","1","7","1") = "6"
    & skf21("6","1","7","2","1","2","1","1") = "6"
    & skf21("6","1","7","2","1","2","2","1") = "6"
    & skf21("6","1","7","2","1","2","3","1") = "6"
    & skf21("6","1","7","2","1","2","4","1") = "6"
    & skf21("6","1","7","2","1","2","5","1") = "6"
    & skf21("6","1","7","2","1","2","6","1") = "6"
    & skf21("6","1","7","2","1","2","7","1") = "6"
    & skf21("6","1","7","2","1","3","1","1") = "6"
    & skf21("6","1","7","2","1","3","2","1") = "6"
    & skf21("6","1","7","2","1","3","3","1") = "6"
    & skf21("6","1","7","2","1","3","4","1") = "6"
    & skf21("6","1","7","2","1","3","5","1") = "6"
    & skf21("6","1","7","2","1","3","6","1") = "6"
    & skf21("6","1","7","2","1","3","7","1") = "6"
    & skf21("6","1","7","2","1","4","1","1") = "6"
    & skf21("6","1","7","2","1","4","2","1") = "6"
    & skf21("6","1","7","2","1","4","3","1") = "6"
    & skf21("6","1","7","2","1","4","4","1") = "6"
    & skf21("6","1","7","2","1","4","5","1") = "6"
    & skf21("6","1","7","2","1","4","6","1") = "6"
    & skf21("6","1","7","2","1","4","7","1") = "6"
    & skf21("6","1","7","2","1","5","1","1") = "6"
    & skf21("6","1","7","2","1","5","2","1") = "6"
    & skf21("6","1","7","2","1","5","3","1") = "6"
    & skf21("6","1","7","2","1","5","4","1") = "6"
    & skf21("6","1","7","2","1","5","5","1") = "6"
    & skf21("6","1","7","2","1","5","6","1") = "6"
    & skf21("6","1","7","2","1","5","7","1") = "6"
    & skf21("6","1","7","2","1","6","1","1") = "6"
    & skf21("6","1","7","2","1","6","2","1") = "6"
    & skf21("6","1","7","2","1","6","3","1") = "6"
    & skf21("6","1","7","2","1","6","4","1") = "6"
    & skf21("6","1","7","2","1","6","5","1") = "6"
    & skf21("6","1","7","2","1","6","6","1") = "6"
    & skf21("6","1","7","2","1","6","7","1") = "6"
    & skf21("6","1","7","2","1","7","1","1") = "6"
    & skf21("6","1","7","2","1","7","2","1") = "6"
    & skf21("6","1","7","2","1","7","3","1") = "6"
    & skf21("6","1","7","2","1","7","4","1") = "6"
    & skf21("6","1","7","2","1","7","5","1") = "6"
    & skf21("6","1","7","2","1","7","6","1") = "6"
    & skf21("6","1","7","2","1","7","7","1") = "6"
    & skf21("6","1","7","2","2","1","1","1") = "6"
    & skf21("6","1","7","2","2","1","2","1") = "6"
    & skf21("6","1","7","2","2","1","3","1") = "6"
    & skf21("6","1","7","2","2","1","4","1") = "6"
    & skf21("6","1","7","2","2","1","5","1") = "6"
    & skf21("6","1","7","2","2","1","6","1") = "6"
    & skf21("6","1","7","2","2","1","7","1") = "6"
    & skf21("6","1","7","2","2","2","1","1") = "6"
    & skf21("6","1","7","2","2","2","2","1") = "6"
    & skf21("6","1","7","2","2","2","3","1") = "6"
    & skf21("6","1","7","2","2","2","4","1") = "6"
    & skf21("6","1","7","2","2","2","5","1") = "6"
    & skf21("6","1","7","2","2","2","6","1") = "6"
    & skf21("6","1","7","2","2","2","7","1") = "6"
    & skf21("6","1","7","2","2","3","1","1") = "6"
    & skf21("6","1","7","2","2","3","2","1") = "6"
    & skf21("6","1","7","2","2","3","3","1") = "6"
    & skf21("6","1","7","2","2","3","4","1") = "6"
    & skf21("6","1","7","2","2","3","5","1") = "6"
    & skf21("6","1","7","2","2","3","6","1") = "6"
    & skf21("6","1","7","2","2","3","7","1") = "6"
    & skf21("6","1","7","2","2","4","1","1") = "6"
    & skf21("6","1","7","2","2","4","2","1") = "6"
    & skf21("6","1","7","2","2","4","3","1") = "6"
    & skf21("6","1","7","2","2","4","4","1") = "6"
    & skf21("6","1","7","2","2","4","5","1") = "6"
    & skf21("6","1","7","2","2","4","6","1") = "6"
    & skf21("6","1","7","2","2","4","7","1") = "6"
    & skf21("6","1","7","2","2","5","1","1") = "6"
    & skf21("6","1","7","2","2","5","2","1") = "6"
    & skf21("6","1","7","2","2","5","3","1") = "6"
    & skf21("6","1","7","2","2","5","4","1") = "6"
    & skf21("6","1","7","2","2","5","5","1") = "6"
    & skf21("6","1","7","2","2","5","6","1") = "6"
    & skf21("6","1","7","2","2","5","7","1") = "6"
    & skf21("6","1","7","2","2","6","1","1") = "6"
    & skf21("6","1","7","2","2","6","2","1") = "6"
    & skf21("6","1","7","2","2","6","3","1") = "6"
    & skf21("6","1","7","2","2","6","4","1") = "6"
    & skf21("6","1","7","2","2","6","5","1") = "6"
    & skf21("6","1","7","2","2","6","6","1") = "6"
    & skf21("6","1","7","2","2","6","7","1") = "6"
    & skf21("6","1","7","2","2","7","1","1") = "6"
    & skf21("6","1","7","2","2","7","2","1") = "6"
    & skf21("6","1","7","2","2","7","3","1") = "6"
    & skf21("6","1","7","2","2","7","4","1") = "6"
    & skf21("6","1","7","2","2","7","5","1") = "6"
    & skf21("6","1","7","2","2","7","6","1") = "6"
    & skf21("6","1","7","2","2","7","7","1") = "6"
    & skf21("6","1","7","2","3","1","1","1") = "6"
    & skf21("6","1","7","2","3","1","2","1") = "6"
    & skf21("6","1","7","2","3","1","3","1") = "6"
    & skf21("6","1","7","2","3","1","4","1") = "6"
    & skf21("6","1","7","2","3","1","5","1") = "6"
    & skf21("6","1","7","2","3","1","6","1") = "6"
    & skf21("6","1","7","2","3","1","7","1") = "6"
    & skf21("6","1","7","2","3","2","1","1") = "6"
    & skf21("6","1","7","2","3","2","2","1") = "6"
    & skf21("6","1","7","2","3","2","3","1") = "6"
    & skf21("6","1","7","2","3","2","4","1") = "6"
    & skf21("6","1","7","2","3","2","5","1") = "6"
    & skf21("6","1","7","2","3","2","6","1") = "6"
    & skf21("6","1","7","2","3","2","7","1") = "6"
    & skf21("6","1","7","2","3","3","1","1") = "6"
    & skf21("6","1","7","2","3","3","2","1") = "6"
    & skf21("6","1","7","2","3","3","3","1") = "6"
    & skf21("6","1","7","2","3","3","4","1") = "6"
    & skf21("6","1","7","2","3","3","5","1") = "6"
    & skf21("6","1","7","2","3","3","6","1") = "6"
    & skf21("6","1","7","2","3","3","7","1") = "6"
    & skf21("6","1","7","2","3","4","1","1") = "6"
    & skf21("6","1","7","2","3","4","2","1") = "6"
    & skf21("6","1","7","2","3","4","3","1") = "6"
    & skf21("6","1","7","2","3","4","4","1") = "6"
    & skf21("6","1","7","2","3","4","5","1") = "6"
    & skf21("6","1","7","2","3","4","6","1") = "6"
    & skf21("6","1","7","2","3","4","7","1") = "6"
    & skf21("6","1","7","2","3","5","1","1") = "6"
    & skf21("6","1","7","2","3","5","2","1") = "6"
    & skf21("6","1","7","2","3","5","3","1") = "6"
    & skf21("6","1","7","2","3","5","4","1") = "6"
    & skf21("6","1","7","2","3","5","5","1") = "6"
    & skf21("6","1","7","2","3","5","6","1") = "6"
    & skf21("6","1","7","2","3","5","7","1") = "6"
    & skf21("6","1","7","2","3","6","1","1") = "6"
    & skf21("6","1","7","2","3","6","2","1") = "6"
    & skf21("6","1","7","2","3","6","3","1") = "6"
    & skf21("6","1","7","2","3","6","4","1") = "6"
    & skf21("6","1","7","2","3","6","5","1") = "6"
    & skf21("6","1","7","2","3","6","6","1") = "6"
    & skf21("6","1","7","2","3","6","7","1") = "6"
    & skf21("6","1","7","2","3","7","1","1") = "6"
    & skf21("6","1","7","2","3","7","2","1") = "6"
    & skf21("6","1","7","2","3","7","3","1") = "6"
    & skf21("6","1","7","2","3","7","4","1") = "6"
    & skf21("6","1","7","2","3","7","5","1") = "6"
    & skf21("6","1","7","2","3","7","6","1") = "6"
    & skf21("6","1","7","2","3","7","7","1") = "6"
    & skf21("6","1","7","2","4","1","1","1") = "6"
    & skf21("6","1","7","2","4","1","2","1") = "6"
    & skf21("6","1","7","2","4","1","3","1") = "6"
    & skf21("6","1","7","2","4","1","4","1") = "6"
    & skf21("6","1","7","2","4","1","5","1") = "6"
    & skf21("6","1","7","2","4","1","6","1") = "6"
    & skf21("6","1","7","2","4","1","7","1") = "6"
    & skf21("6","1","7","2","4","2","1","1") = "6"
    & skf21("6","1","7","2","4","2","2","1") = "6"
    & skf21("6","1","7","2","4","2","3","1") = "6"
    & skf21("6","1","7","2","4","2","4","1") = "6"
    & skf21("6","1","7","2","4","2","5","1") = "6"
    & skf21("6","1","7","2","4","2","6","1") = "6"
    & skf21("6","1","7","2","4","2","7","1") = "6"
    & skf21("6","1","7","2","4","3","1","1") = "6"
    & skf21("6","1","7","2","4","3","2","1") = "6"
    & skf21("6","1","7","2","4","3","3","1") = "6"
    & skf21("6","1","7","2","4","3","4","1") = "6"
    & skf21("6","1","7","2","4","3","5","1") = "6"
    & skf21("6","1","7","2","4","3","6","1") = "6"
    & skf21("6","1","7","2","4","3","7","1") = "6"
    & skf21("6","1","7","2","4","4","1","1") = "6"
    & skf21("6","1","7","2","4","4","2","1") = "6"
    & skf21("6","1","7","2","4","4","3","1") = "6"
    & skf21("6","1","7","2","4","4","4","1") = "6"
    & skf21("6","1","7","2","4","4","5","1") = "6"
    & skf21("6","1","7","2","4","4","6","1") = "6"
    & skf21("6","1","7","2","4","4","7","1") = "6"
    & skf21("6","1","7","2","4","5","1","1") = "6"
    & skf21("6","1","7","2","4","5","2","1") = "6"
    & skf21("6","1","7","2","4","5","3","1") = "6"
    & skf21("6","1","7","2","4","5","4","1") = "6"
    & skf21("6","1","7","2","4","5","5","1") = "6"
    & skf21("6","1","7","2","4","5","6","1") = "6"
    & skf21("6","1","7","2","4","5","7","1") = "6"
    & skf21("6","1","7","2","4","6","1","1") = "6"
    & skf21("6","1","7","2","4","6","2","1") = "6"
    & skf21("6","1","7","2","4","6","3","1") = "6"
    & skf21("6","1","7","2","4","6","4","1") = "6"
    & skf21("6","1","7","2","4","6","5","1") = "6"
    & skf21("6","1","7","2","4","6","6","1") = "6"
    & skf21("6","1","7","2","4","6","7","1") = "6"
    & skf21("6","1","7","2","4","7","1","1") = "6"
    & skf21("6","1","7","2","4","7","2","1") = "6"
    & skf21("6","1","7","2","4","7","3","1") = "6"
    & skf21("6","1","7","2","4","7","4","1") = "6"
    & skf21("6","1","7","2","4","7","5","1") = "6"
    & skf21("6","1","7","2","4","7","6","1") = "6"
    & skf21("6","1","7","2","4","7","7","1") = "6"
    & skf21("6","1","7","2","5","1","1","1") = "6"
    & skf21("6","1","7","2","5","1","2","1") = "6"
    & skf21("6","1","7","2","5","1","3","1") = "6"
    & skf21("6","1","7","2","5","1","4","1") = "6"
    & skf21("6","1","7","2","5","1","5","1") = "6"
    & skf21("6","1","7","2","5","1","6","1") = "6"
    & skf21("6","1","7","2","5","1","7","1") = "6"
    & skf21("6","1","7","2","5","2","1","1") = "6"
    & skf21("6","1","7","2","5","2","2","1") = "6"
    & skf21("6","1","7","2","5","2","3","1") = "6"
    & skf21("6","1","7","2","5","2","4","1") = "6"
    & skf21("6","1","7","2","5","2","5","1") = "6"
    & skf21("6","1","7","2","5","2","6","1") = "6"
    & skf21("6","1","7","2","5","2","7","1") = "6"
    & skf21("6","1","7","2","5","3","1","1") = "6"
    & skf21("6","1","7","2","5","3","2","1") = "6"
    & skf21("6","1","7","2","5","3","3","1") = "6"
    & skf21("6","1","7","2","5","3","4","1") = "6"
    & skf21("6","1","7","2","5","3","5","1") = "6"
    & skf21("6","1","7","2","5","3","6","1") = "6"
    & skf21("6","1","7","2","5","3","7","1") = "6"
    & skf21("6","1","7","2","5","4","1","1") = "6"
    & skf21("6","1","7","2","5","4","2","1") = "6"
    & skf21("6","1","7","2","5","4","3","1") = "6"
    & skf21("6","1","7","2","5","4","4","1") = "6"
    & skf21("6","1","7","2","5","4","5","1") = "6"
    & skf21("6","1","7","2","5","4","6","1") = "6"
    & skf21("6","1","7","2","5","4","7","1") = "6"
    & skf21("6","1","7","2","5","5","1","1") = "6"
    & skf21("6","1","7","2","5","5","2","1") = "6"
    & skf21("6","1","7","2","5","5","3","1") = "6"
    & skf21("6","1","7","2","5","5","4","1") = "6"
    & skf21("6","1","7","2","5","5","5","1") = "6"
    & skf21("6","1","7","2","5","5","6","1") = "6"
    & skf21("6","1","7","2","5","5","7","1") = "6"
    & skf21("6","1","7","2","5","6","1","1") = "6"
    & skf21("6","1","7","2","5","6","2","1") = "6"
    & skf21("6","1","7","2","5","6","3","1") = "6"
    & skf21("6","1","7","2","5","6","4","1") = "6"
    & skf21("6","1","7","2","5","6","5","1") = "6"
    & skf21("6","1","7","2","5","6","6","1") = "6"
    & skf21("6","1","7","2","5","6","7","1") = "6"
    & skf21("6","1","7","2","5","7","1","1") = "6"
    & skf21("6","1","7","2","5","7","2","1") = "6"
    & skf21("6","1","7","2","5","7","3","1") = "6"
    & skf21("6","1","7","2","5","7","4","1") = "6"
    & skf21("6","1","7","2","5","7","5","1") = "6"
    & skf21("6","1","7","2","5","7","6","1") = "6"
    & skf21("6","1","7","2","5","7","7","1") = "6"
    & skf21("6","1","7","2","6","1","1","1") = "6"
    & skf21("6","1","7","2","6","1","2","1") = "6"
    & skf21("6","1","7","2","6","1","3","1") = "6"
    & skf21("6","1","7","2","6","1","4","1") = "6"
    & skf21("6","1","7","2","6","1","5","1") = "6"
    & skf21("6","1","7","2","6","1","6","1") = "6"
    & skf21("6","1","7","2","6","1","7","1") = "6"
    & skf21("6","1","7","2","6","2","1","1") = "6"
    & skf21("6","1","7","2","6","2","2","1") = "6"
    & skf21("6","1","7","2","6","2","3","1") = "6"
    & skf21("6","1","7","2","6","2","4","1") = "6"
    & skf21("6","1","7","2","6","2","5","1") = "6"
    & skf21("6","1","7","2","6","2","6","1") = "6"
    & skf21("6","1","7","2","6","2","7","1") = "6"
    & skf21("6","1","7","2","6","3","1","1") = "6"
    & skf21("6","1","7","2","6","3","2","1") = "6"
    & skf21("6","1","7","2","6","3","3","1") = "6"
    & skf21("6","1","7","2","6","3","4","1") = "6"
    & skf21("6","1","7","2","6","3","5","1") = "6"
    & skf21("6","1","7","2","6","3","6","1") = "6"
    & skf21("6","1","7","2","6","3","7","1") = "6"
    & skf21("6","1","7","2","6","4","1","1") = "6"
    & skf21("6","1","7","2","6","4","2","1") = "6"
    & skf21("6","1","7","2","6","4","3","1") = "6"
    & skf21("6","1","7","2","6","4","4","1") = "6"
    & skf21("6","1","7","2","6","4","5","1") = "6"
    & skf21("6","1","7","2","6","4","6","1") = "6"
    & skf21("6","1","7","2","6","4","7","1") = "6"
    & skf21("6","1","7","2","6","5","1","1") = "6"
    & skf21("6","1","7","2","6","5","2","1") = "6"
    & skf21("6","1","7","2","6","5","3","1") = "6"
    & skf21("6","1","7","2","6","5","4","1") = "6"
    & skf21("6","1","7","2","6","5","5","1") = "6"
    & skf21("6","1","7","2","6","5","6","1") = "6"
    & skf21("6","1","7","2","6","5","7","1") = "6"
    & skf21("6","1","7","2","6","6","1","1") = "6"
    & skf21("6","1","7","2","6","6","2","1") = "6"
    & skf21("6","1","7","2","6","6","3","1") = "6"
    & skf21("6","1","7","2","6","6","4","1") = "6"
    & skf21("6","1","7","2","6","6","5","1") = "6"
    & skf21("6","1","7","2","6","6","6","1") = "6"
    & skf21("6","1","7","2","6","6","7","1") = "6"
    & skf21("6","1","7","2","6","7","1","1") = "6"
    & skf21("6","1","7","2","6","7","2","1") = "6"
    & skf21("6","1","7","2","6","7","3","1") = "6"
    & skf21("6","1","7","2","6","7","4","1") = "6"
    & skf21("6","1","7","2","6","7","5","1") = "6"
    & skf21("6","1","7","2","6","7","6","1") = "6"
    & skf21("6","1","7","2","6","7","7","1") = "6"
    & skf21("6","1","7","2","7","1","1","1") = "6"
    & skf21("6","1","7","2","7","1","2","1") = "6"
    & skf21("6","1","7","2","7","1","3","1") = "6"
    & skf21("6","1","7","2","7","1","4","1") = "6"
    & skf21("6","1","7","2","7","1","5","1") = "6"
    & skf21("6","1","7","2","7","1","6","1") = "6"
    & skf21("6","1","7","2","7","1","7","1") = "6"
    & skf21("6","1","7","2","7","2","1","1") = "6"
    & skf21("6","1","7","2","7","2","2","1") = "6"
    & skf21("6","1","7","2","7","2","3","1") = "6"
    & skf21("6","1","7","2","7","2","4","1") = "6"
    & skf21("6","1","7","2","7","2","5","1") = "6"
    & skf21("6","1","7","2","7","2","6","1") = "6"
    & skf21("6","1","7","2","7","2","7","1") = "6"
    & skf21("6","1","7","2","7","3","1","1") = "6"
    & skf21("6","1","7","2","7","3","2","1") = "6"
    & skf21("6","1","7","2","7","3","3","1") = "6"
    & skf21("6","1","7","2","7","3","4","1") = "6"
    & skf21("6","1","7","2","7","3","5","1") = "6"
    & skf21("6","1","7","2","7","3","6","1") = "6"
    & skf21("6","1","7","2","7","3","7","1") = "6"
    & skf21("6","1","7","2","7","4","1","1") = "6"
    & skf21("6","1","7","2","7","4","2","1") = "6"
    & skf21("6","1","7","2","7","4","3","1") = "6"
    & skf21("6","1","7","2","7","4","4","1") = "6"
    & skf21("6","1","7","2","7","4","5","1") = "6"
    & skf21("6","1","7","2","7","4","6","1") = "6"
    & skf21("6","1","7","2","7","4","7","1") = "6"
    & skf21("6","1","7","2","7","5","1","1") = "6"
    & skf21("6","1","7","2","7","5","2","1") = "6"
    & skf21("6","1","7","2","7","5","3","1") = "6"
    & skf21("6","1","7","2","7","5","4","1") = "6"
    & skf21("6","1","7","2","7","5","5","1") = "6"
    & skf21("6","1","7","2","7","5","6","1") = "6"
    & skf21("6","1","7","2","7","5","7","1") = "6"
    & skf21("6","1","7","2","7","6","1","1") = "6"
    & skf21("6","1","7","2","7","6","2","1") = "6"
    & skf21("6","1","7","2","7","6","3","1") = "6"
    & skf21("6","1","7","2","7","6","4","1") = "6"
    & skf21("6","1","7","2","7","6","5","1") = "6"
    & skf21("6","1","7","2","7","6","6","1") = "6"
    & skf21("6","1","7","2","7","6","7","1") = "6"
    & skf21("6","1","7","2","7","7","1","1") = "6"
    & skf21("6","1","7","2","7","7","2","1") = "6"
    & skf21("6","1","7","2","7","7","3","1") = "6"
    & skf21("6","1","7","2","7","7","4","1") = "6"
    & skf21("6","1","7","2","7","7","5","1") = "6"
    & skf21("6","1","7","2","7","7","6","1") = "6"
    & skf21("6","1","7","2","7","7","7","1") = "6"
    & skf21("6","1","7","3","1","1","1","1") = "6"
    & skf21("6","1","7","3","1","1","2","1") = "6"
    & skf21("6","1","7","3","1","1","3","1") = "6"
    & skf21("6","1","7","3","1","1","4","1") = "6"
    & skf21("6","1","7","3","1","1","5","1") = "6"
    & skf21("6","1","7","3","1","1","6","1") = "6"
    & skf21("6","1","7","3","1","1","7","1") = "6"
    & skf21("6","1","7","3","1","2","1","1") = "6"
    & skf21("6","1","7","3","1","2","2","1") = "6"
    & skf21("6","1","7","3","1","2","3","1") = "6"
    & skf21("6","1","7","3","1","2","4","1") = "6"
    & skf21("6","1","7","3","1","2","5","1") = "6"
    & skf21("6","1","7","3","1","2","6","1") = "6"
    & skf21("6","1","7","3","1","2","7","1") = "6"
    & skf21("6","1","7","3","1","3","1","1") = "6"
    & skf21("6","1","7","3","1","3","2","1") = "6"
    & skf21("6","1","7","3","1","3","3","1") = "6"
    & skf21("6","1","7","3","1","3","4","1") = "6"
    & skf21("6","1","7","3","1","3","5","1") = "6"
    & skf21("6","1","7","3","1","3","6","1") = "6"
    & skf21("6","1","7","3","1","3","7","1") = "6"
    & skf21("6","1","7","3","1","4","1","1") = "6"
    & skf21("6","1","7","3","1","4","2","1") = "6"
    & skf21("6","1","7","3","1","4","3","1") = "6"
    & skf21("6","1","7","3","1","4","4","1") = "6"
    & skf21("6","1","7","3","1","4","5","1") = "6"
    & skf21("6","1","7","3","1","4","6","1") = "6"
    & skf21("6","1","7","3","1","4","7","1") = "6"
    & skf21("6","1","7","3","1","5","1","1") = "6"
    & skf21("6","1","7","3","1","5","2","1") = "6"
    & skf21("6","1","7","3","1","5","3","1") = "6"
    & skf21("6","1","7","3","1","5","4","1") = "6"
    & skf21("6","1","7","3","1","5","5","1") = "6"
    & skf21("6","1","7","3","1","5","6","1") = "6"
    & skf21("6","1","7","3","1","5","7","1") = "6"
    & skf21("6","1","7","3","1","6","1","1") = "6"
    & skf21("6","1","7","3","1","6","2","1") = "6"
    & skf21("6","1","7","3","1","6","3","1") = "6"
    & skf21("6","1","7","3","1","6","4","1") = "6"
    & skf21("6","1","7","3","1","6","5","1") = "6"
    & skf21("6","1","7","3","1","6","6","1") = "6"
    & skf21("6","1","7","3","1","6","7","1") = "6"
    & skf21("6","1","7","3","1","7","1","1") = "6"
    & skf21("6","1","7","3","1","7","2","1") = "6"
    & skf21("6","1","7","3","1","7","3","1") = "6"
    & skf21("6","1","7","3","1","7","4","1") = "6"
    & skf21("6","1","7","3","1","7","5","1") = "6"
    & skf21("6","1","7","3","1","7","6","1") = "6"
    & skf21("6","1","7","3","1","7","7","1") = "6"
    & skf21("6","1","7","3","2","1","1","1") = "6"
    & skf21("6","1","7","3","2","1","2","1") = "6"
    & skf21("6","1","7","3","2","1","3","1") = "6"
    & skf21("6","1","7","3","2","1","4","1") = "6"
    & skf21("6","1","7","3","2","1","5","1") = "6"
    & skf21("6","1","7","3","2","1","6","1") = "6"
    & skf21("6","1","7","3","2","1","7","1") = "6"
    & skf21("6","1","7","3","2","2","1","1") = "6"
    & skf21("6","1","7","3","2","2","2","1") = "6"
    & skf21("6","1","7","3","2","2","3","1") = "6"
    & skf21("6","1","7","3","2","2","4","1") = "6"
    & skf21("6","1","7","3","2","2","5","1") = "6"
    & skf21("6","1","7","3","2","2","6","1") = "6"
    & skf21("6","1","7","3","2","2","7","1") = "6"
    & skf21("6","1","7","3","2","3","1","1") = "6"
    & skf21("6","1","7","3","2","3","2","1") = "6"
    & skf21("6","1","7","3","2","3","3","1") = "6"
    & skf21("6","1","7","3","2","3","4","1") = "6"
    & skf21("6","1","7","3","2","3","5","1") = "6"
    & skf21("6","1","7","3","2","3","6","1") = "6"
    & skf21("6","1","7","3","2","3","7","1") = "6"
    & skf21("6","1","7","3","2","4","1","1") = "6"
    & skf21("6","1","7","3","2","4","2","1") = "6"
    & skf21("6","1","7","3","2","4","3","1") = "6"
    & skf21("6","1","7","3","2","4","4","1") = "6"
    & skf21("6","1","7","3","2","4","5","1") = "6"
    & skf21("6","1","7","3","2","4","6","1") = "6"
    & skf21("6","1","7","3","2","4","7","1") = "6"
    & skf21("6","1","7","3","2","5","1","1") = "6"
    & skf21("6","1","7","3","2","5","2","1") = "6"
    & skf21("6","1","7","3","2","5","3","1") = "6"
    & skf21("6","1","7","3","2","5","4","1") = "6"
    & skf21("6","1","7","3","2","5","5","1") = "6"
    & skf21("6","1","7","3","2","5","6","1") = "6"
    & skf21("6","1","7","3","2","5","7","1") = "6"
    & skf21("6","1","7","3","2","6","1","1") = "6"
    & skf21("6","1","7","3","2","6","2","1") = "6"
    & skf21("6","1","7","3","2","6","3","1") = "6"
    & skf21("6","1","7","3","2","6","4","1") = "6"
    & skf21("6","1","7","3","2","6","5","1") = "6"
    & skf21("6","1","7","3","2","6","6","1") = "6"
    & skf21("6","1","7","3","2","6","7","1") = "6"
    & skf21("6","1","7","3","2","7","1","1") = "6"
    & skf21("6","1","7","3","2","7","2","1") = "6"
    & skf21("6","1","7","3","2","7","3","1") = "6"
    & skf21("6","1","7","3","2","7","4","1") = "6"
    & skf21("6","1","7","3","2","7","5","1") = "6"
    & skf21("6","1","7","3","2","7","6","1") = "6"
    & skf21("6","1","7","3","2","7","7","1") = "6"
    & skf21("6","1","7","3","3","1","1","1") = "6"
    & skf21("6","1","7","3","3","1","2","1") = "6"
    & skf21("6","1","7","3","3","1","3","1") = "6"
    & skf21("6","1","7","3","3","1","4","1") = "6"
    & skf21("6","1","7","3","3","1","5","1") = "6"
    & skf21("6","1","7","3","3","1","6","1") = "6"
    & skf21("6","1","7","3","3","1","7","1") = "6"
    & skf21("6","1","7","3","3","2","1","1") = "6"
    & skf21("6","1","7","3","3","2","2","1") = "6"
    & skf21("6","1","7","3","3","2","3","1") = "6"
    & skf21("6","1","7","3","3","2","4","1") = "6"
    & skf21("6","1","7","3","3","2","5","1") = "6"
    & skf21("6","1","7","3","3","2","6","1") = "6"
    & skf21("6","1","7","3","3","2","7","1") = "6"
    & skf21("6","1","7","3","3","3","1","1") = "6"
    & skf21("6","1","7","3","3","3","2","1") = "6"
    & skf21("6","1","7","3","3","3","3","1") = "6"
    & skf21("6","1","7","3","3","3","4","1") = "6"
    & skf21("6","1","7","3","3","3","5","1") = "6"
    & skf21("6","1","7","3","3","3","6","1") = "6"
    & skf21("6","1","7","3","3","3","7","1") = "6"
    & skf21("6","1","7","3","3","4","1","1") = "6"
    & skf21("6","1","7","3","3","4","2","1") = "6"
    & skf21("6","1","7","3","3","4","3","1") = "6"
    & skf21("6","1","7","3","3","4","4","1") = "6"
    & skf21("6","1","7","3","3","4","5","1") = "6"
    & skf21("6","1","7","3","3","4","6","1") = "6"
    & skf21("6","1","7","3","3","4","7","1") = "6"
    & skf21("6","1","7","3","3","5","1","1") = "6"
    & skf21("6","1","7","3","3","5","2","1") = "6"
    & skf21("6","1","7","3","3","5","3","1") = "6"
    & skf21("6","1","7","3","3","5","4","1") = "6"
    & skf21("6","1","7","3","3","5","5","1") = "6"
    & skf21("6","1","7","3","3","5","6","1") = "6"
    & skf21("6","1","7","3","3","5","7","1") = "6"
    & skf21("6","1","7","3","3","6","1","1") = "6"
    & skf21("6","1","7","3","3","6","2","1") = "6"
    & skf21("6","1","7","3","3","6","3","1") = "6"
    & skf21("6","1","7","3","3","6","4","1") = "6"
    & skf21("6","1","7","3","3","6","5","1") = "6"
    & skf21("6","1","7","3","3","6","6","1") = "6"
    & skf21("6","1","7","3","3","6","7","1") = "6"
    & skf21("6","1","7","3","3","7","1","1") = "6"
    & skf21("6","1","7","3","3","7","2","1") = "6"
    & skf21("6","1","7","3","3","7","3","1") = "6"
    & skf21("6","1","7","3","3","7","4","1") = "6"
    & skf21("6","1","7","3","3","7","5","1") = "6"
    & skf21("6","1","7","3","3","7","6","1") = "6"
    & skf21("6","1","7","3","3","7","7","1") = "6"
    & skf21("6","1","7","3","4","1","1","1") = "6"
    & skf21("6","1","7","3","4","1","2","1") = "6"
    & skf21("6","1","7","3","4","1","3","1") = "6"
    & skf21("6","1","7","3","4","1","4","1") = "6"
    & skf21("6","1","7","3","4","1","5","1") = "6"
    & skf21("6","1","7","3","4","1","6","1") = "6"
    & skf21("6","1","7","3","4","1","7","1") = "6"
    & skf21("6","1","7","3","4","2","1","1") = "6"
    & skf21("6","1","7","3","4","2","2","1") = "6"
    & skf21("6","1","7","3","4","2","3","1") = "6"
    & skf21("6","1","7","3","4","2","4","1") = "6"
    & skf21("6","1","7","3","4","2","5","1") = "6"
    & skf21("6","1","7","3","4","2","6","1") = "6"
    & skf21("6","1","7","3","4","2","7","1") = "6"
    & skf21("6","1","7","3","4","3","1","1") = "6"
    & skf21("6","1","7","3","4","3","2","1") = "6"
    & skf21("6","1","7","3","4","3","3","1") = "6"
    & skf21("6","1","7","3","4","3","4","1") = "6"
    & skf21("6","1","7","3","4","3","5","1") = "6"
    & skf21("6","1","7","3","4","3","6","1") = "6"
    & skf21("6","1","7","3","4","3","7","1") = "6"
    & skf21("6","1","7","3","4","4","1","1") = "6"
    & skf21("6","1","7","3","4","4","2","1") = "6"
    & skf21("6","1","7","3","4","4","3","1") = "6"
    & skf21("6","1","7","3","4","4","4","1") = "6"
    & skf21("6","1","7","3","4","4","5","1") = "6"
    & skf21("6","1","7","3","4","4","6","1") = "6"
    & skf21("6","1","7","3","4","4","7","1") = "6"
    & skf21("6","1","7","3","4","5","1","1") = "6"
    & skf21("6","1","7","3","4","5","2","1") = "6"
    & skf21("6","1","7","3","4","5","3","1") = "6"
    & skf21("6","1","7","3","4","5","4","1") = "6"
    & skf21("6","1","7","3","4","5","5","1") = "6"
    & skf21("6","1","7","3","4","5","6","1") = "6"
    & skf21("6","1","7","3","4","5","7","1") = "6"
    & skf21("6","1","7","3","4","6","1","1") = "6"
    & skf21("6","1","7","3","4","6","2","1") = "6"
    & skf21("6","1","7","3","4","6","3","1") = "6"
    & skf21("6","1","7","3","4","6","4","1") = "6"
    & skf21("6","1","7","3","4","6","5","1") = "6"
    & skf21("6","1","7","3","4","6","6","1") = "6"
    & skf21("6","1","7","3","4","6","7","1") = "6"
    & skf21("6","1","7","3","4","7","1","1") = "6"
    & skf21("6","1","7","3","4","7","2","1") = "6"
    & skf21("6","1","7","3","4","7","3","1") = "6"
    & skf21("6","1","7","3","4","7","4","1") = "6"
    & skf21("6","1","7","3","4","7","5","1") = "6"
    & skf21("6","1","7","3","4","7","6","1") = "6"
    & skf21("6","1","7","3","4","7","7","1") = "6"
    & skf21("6","1","7","3","5","1","1","1") = "6"
    & skf21("6","1","7","3","5","1","2","1") = "6"
    & skf21("6","1","7","3","5","1","3","1") = "6"
    & skf21("6","1","7","3","5","1","4","1") = "6"
    & skf21("6","1","7","3","5","1","5","1") = "6"
    & skf21("6","1","7","3","5","1","6","1") = "6"
    & skf21("6","1","7","3","5","1","7","1") = "6"
    & skf21("6","1","7","3","5","2","1","1") = "6"
    & skf21("6","1","7","3","5","2","2","1") = "6"
    & skf21("6","1","7","3","5","2","3","1") = "6"
    & skf21("6","1","7","3","5","2","4","1") = "6"
    & skf21("6","1","7","3","5","2","5","1") = "6"
    & skf21("6","1","7","3","5","2","6","1") = "6"
    & skf21("6","1","7","3","5","2","7","1") = "6"
    & skf21("6","1","7","3","5","3","1","1") = "6"
    & skf21("6","1","7","3","5","3","2","1") = "6"
    & skf21("6","1","7","3","5","3","3","1") = "6"
    & skf21("6","1","7","3","5","3","4","1") = "6"
    & skf21("6","1","7","3","5","3","5","1") = "6"
    & skf21("6","1","7","3","5","3","6","1") = "6"
    & skf21("6","1","7","3","5","3","7","1") = "6"
    & skf21("6","1","7","3","5","4","1","1") = "6"
    & skf21("6","1","7","3","5","4","2","1") = "6"
    & skf21("6","1","7","3","5","4","3","1") = "6"
    & skf21("6","1","7","3","5","4","4","1") = "6"
    & skf21("6","1","7","3","5","4","5","1") = "6"
    & skf21("6","1","7","3","5","4","6","1") = "6"
    & skf21("6","1","7","3","5","4","7","1") = "6"
    & skf21("6","1","7","3","5","5","1","1") = "6"
    & skf21("6","1","7","3","5","5","2","1") = "6"
    & skf21("6","1","7","3","5","5","3","1") = "6"
    & skf21("6","1","7","3","5","5","4","1") = "6"
    & skf21("6","1","7","3","5","5","5","1") = "6"
    & skf21("6","1","7","3","5","5","6","1") = "6"
    & skf21("6","1","7","3","5","5","7","1") = "6"
    & skf21("6","1","7","3","5","6","1","1") = "6"
    & skf21("6","1","7","3","5","6","2","1") = "6"
    & skf21("6","1","7","3","5","6","3","1") = "6"
    & skf21("6","1","7","3","5","6","4","1") = "6"
    & skf21("6","1","7","3","5","6","5","1") = "6"
    & skf21("6","1","7","3","5","6","6","1") = "6"
    & skf21("6","1","7","3","5","6","7","1") = "6"
    & skf21("6","1","7","3","5","7","1","1") = "6"
    & skf21("6","1","7","3","5","7","2","1") = "6"
    & skf21("6","1","7","3","5","7","3","1") = "6"
    & skf21("6","1","7","3","5","7","4","1") = "6"
    & skf21("6","1","7","3","5","7","5","1") = "6"
    & skf21("6","1","7","3","5","7","6","1") = "6"
    & skf21("6","1","7","3","5","7","7","1") = "6"
    & skf21("6","1","7","3","6","1","1","1") = "6"
    & skf21("6","1","7","3","6","1","2","1") = "6"
    & skf21("6","1","7","3","6","1","3","1") = "6"
    & skf21("6","1","7","3","6","1","4","1") = "6"
    & skf21("6","1","7","3","6","1","5","1") = "6"
    & skf21("6","1","7","3","6","1","6","1") = "6"
    & skf21("6","1","7","3","6","1","7","1") = "6"
    & skf21("6","1","7","3","6","2","1","1") = "6"
    & skf21("6","1","7","3","6","2","2","1") = "6"
    & skf21("6","1","7","3","6","2","3","1") = "6"
    & skf21("6","1","7","3","6","2","4","1") = "6"
    & skf21("6","1","7","3","6","2","5","1") = "6"
    & skf21("6","1","7","3","6","2","6","1") = "6"
    & skf21("6","1","7","3","6","2","7","1") = "6"
    & skf21("6","1","7","3","6","3","1","1") = "6"
    & skf21("6","1","7","3","6","3","2","1") = "6"
    & skf21("6","1","7","3","6","3","3","1") = "6"
    & skf21("6","1","7","3","6","3","4","1") = "6"
    & skf21("6","1","7","3","6","3","5","1") = "6"
    & skf21("6","1","7","3","6","3","6","1") = "6"
    & skf21("6","1","7","3","6","3","7","1") = "6"
    & skf21("6","1","7","3","6","4","1","1") = "6"
    & skf21("6","1","7","3","6","4","2","1") = "6"
    & skf21("6","1","7","3","6","4","3","1") = "6"
    & skf21("6","1","7","3","6","4","4","1") = "6"
    & skf21("6","1","7","3","6","4","5","1") = "6"
    & skf21("6","1","7","3","6","4","6","1") = "6"
    & skf21("6","1","7","3","6","4","7","1") = "6"
    & skf21("6","1","7","3","6","5","1","1") = "6"
    & skf21("6","1","7","3","6","5","2","1") = "6"
    & skf21("6","1","7","3","6","5","3","1") = "6"
    & skf21("6","1","7","3","6","5","4","1") = "6"
    & skf21("6","1","7","3","6","5","5","1") = "6"
    & skf21("6","1","7","3","6","5","6","1") = "6"
    & skf21("6","1","7","3","6","5","7","1") = "6"
    & skf21("6","1","7","3","6","6","1","1") = "6"
    & skf21("6","1","7","3","6","6","2","1") = "6"
    & skf21("6","1","7","3","6","6","3","1") = "6"
    & skf21("6","1","7","3","6","6","4","1") = "6"
    & skf21("6","1","7","3","6","6","5","1") = "6"
    & skf21("6","1","7","3","6","6","6","1") = "6"
    & skf21("6","1","7","3","6","6","7","1") = "6"
    & skf21("6","1","7","3","6","7","1","1") = "6"
    & skf21("6","1","7","3","6","7","2","1") = "6"
    & skf21("6","1","7","3","6","7","3","1") = "6"
    & skf21("6","1","7","3","6","7","4","1") = "6"
    & skf21("6","1","7","3","6","7","5","1") = "6"
    & skf21("6","1","7","3","6","7","6","1") = "6"
    & skf21("6","1","7","3","6","7","7","1") = "6"
    & skf21("6","1","7","3","7","1","1","1") = "6"
    & skf21("6","1","7","3","7","1","2","1") = "6"
    & skf21("6","1","7","3","7","1","3","1") = "6"
    & skf21("6","1","7","3","7","1","4","1") = "6"
    & skf21("6","1","7","3","7","1","5","1") = "6"
    & skf21("6","1","7","3","7","1","6","1") = "6"
    & skf21("6","1","7","3","7","1","7","1") = "6"
    & skf21("6","1","7","3","7","2","1","1") = "6"
    & skf21("6","1","7","3","7","2","2","1") = "6"
    & skf21("6","1","7","3","7","2","3","1") = "6"
    & skf21("6","1","7","3","7","2","4","1") = "6"
    & skf21("6","1","7","3","7","2","5","1") = "6"
    & skf21("6","1","7","3","7","2","6","1") = "6"
    & skf21("6","1","7","3","7","2","7","1") = "6"
    & skf21("6","1","7","3","7","3","1","1") = "6"
    & skf21("6","1","7","3","7","3","2","1") = "6"
    & skf21("6","1","7","3","7","3","3","1") = "6"
    & skf21("6","1","7","3","7","3","4","1") = "6"
    & skf21("6","1","7","3","7","3","5","1") = "6"
    & skf21("6","1","7","3","7","3","6","1") = "6"
    & skf21("6","1","7","3","7","3","7","1") = "6"
    & skf21("6","1","7","3","7","4","1","1") = "6"
    & skf21("6","1","7","3","7","4","2","1") = "6"
    & skf21("6","1","7","3","7","4","3","1") = "6"
    & skf21("6","1","7","3","7","4","4","1") = "6"
    & skf21("6","1","7","3","7","4","5","1") = "6"
    & skf21("6","1","7","3","7","4","6","1") = "6"
    & skf21("6","1","7","3","7","4","7","1") = "6"
    & skf21("6","1","7","3","7","5","1","1") = "6"
    & skf21("6","1","7","3","7","5","2","1") = "6"
    & skf21("6","1","7","3","7","5","3","1") = "6"
    & skf21("6","1","7","3","7","5","4","1") = "6"
    & skf21("6","1","7","3","7","5","5","1") = "6"
    & skf21("6","1","7","3","7","5","6","1") = "6"
    & skf21("6","1","7","3","7","5","7","1") = "6"
    & skf21("6","1","7","3","7","6","1","1") = "6"
    & skf21("6","1","7","3","7","6","2","1") = "6"
    & skf21("6","1","7","3","7","6","3","1") = "6"
    & skf21("6","1","7","3","7","6","4","1") = "6"
    & skf21("6","1","7","3","7","6","5","1") = "6"
    & skf21("6","1","7","3","7","6","6","1") = "6"
    & skf21("6","1","7","3","7","6","7","1") = "6"
    & skf21("6","1","7","3","7","7","1","1") = "6"
    & skf21("6","1","7","3","7","7","2","1") = "6"
    & skf21("6","1","7","3","7","7","3","1") = "6"
    & skf21("6","1","7","3","7","7","4","1") = "6"
    & skf21("6","1","7","3","7","7","5","1") = "6"
    & skf21("6","1","7","3","7","7","6","1") = "6"
    & skf21("6","1","7","3","7","7","7","1") = "6"
    & skf21("6","1","7","4","1","1","1","1") = "6"
    & skf21("6","1","7","4","1","1","2","1") = "6"
    & skf21("6","1","7","4","1","1","3","1") = "6"
    & skf21("6","1","7","4","1","1","4","1") = "6"
    & skf21("6","1","7","4","1","1","5","1") = "6"
    & skf21("6","1","7","4","1","1","6","1") = "6"
    & skf21("6","1","7","4","1","1","7","1") = "6"
    & skf21("6","1","7","4","1","2","1","1") = "6"
    & skf21("6","1","7","4","1","2","2","1") = "6"
    & skf21("6","1","7","4","1","2","3","1") = "6"
    & skf21("6","1","7","4","1","2","4","1") = "6"
    & skf21("6","1","7","4","1","2","5","1") = "6"
    & skf21("6","1","7","4","1","2","6","1") = "6"
    & skf21("6","1","7","4","1","2","7","1") = "6"
    & skf21("6","1","7","4","1","3","1","1") = "6"
    & skf21("6","1","7","4","1","3","2","1") = "6"
    & skf21("6","1","7","4","1","3","3","1") = "6"
    & skf21("6","1","7","4","1","3","4","1") = "6"
    & skf21("6","1","7","4","1","3","5","1") = "6"
    & skf21("6","1","7","4","1","3","6","1") = "6"
    & skf21("6","1","7","4","1","3","7","1") = "6"
    & skf21("6","1","7","4","1","4","1","1") = "6"
    & skf21("6","1","7","4","1","4","2","1") = "6"
    & skf21("6","1","7","4","1","4","3","1") = "6"
    & skf21("6","1","7","4","1","4","4","1") = "6"
    & skf21("6","1","7","4","1","4","5","1") = "6"
    & skf21("6","1","7","4","1","4","6","1") = "6"
    & skf21("6","1","7","4","1","4","7","1") = "6"
    & skf21("6","1","7","4","1","5","1","1") = "6"
    & skf21("6","1","7","4","1","5","2","1") = "6"
    & skf21("6","1","7","4","1","5","3","1") = "6"
    & skf21("6","1","7","4","1","5","4","1") = "6"
    & skf21("6","1","7","4","1","5","5","1") = "6"
    & skf21("6","1","7","4","1","5","6","1") = "6"
    & skf21("6","1","7","4","1","5","7","1") = "6"
    & skf21("6","1","7","4","1","6","1","1") = "6"
    & skf21("6","1","7","4","1","6","2","1") = "6"
    & skf21("6","1","7","4","1","6","3","1") = "6"
    & skf21("6","1","7","4","1","6","4","1") = "6"
    & skf21("6","1","7","4","1","6","5","1") = "6"
    & skf21("6","1","7","4","1","6","6","1") = "6"
    & skf21("6","1","7","4","1","6","7","1") = "6"
    & skf21("6","1","7","4","1","7","1","1") = "6"
    & skf21("6","1","7","4","1","7","2","1") = "6"
    & skf21("6","1","7","4","1","7","3","1") = "6"
    & skf21("6","1","7","4","1","7","4","1") = "6"
    & skf21("6","1","7","4","1","7","5","1") = "6"
    & skf21("6","1","7","4","1","7","6","1") = "6"
    & skf21("6","1","7","4","1","7","7","1") = "6"
    & skf21("6","1","7","4","2","1","1","1") = "6"
    & skf21("6","1","7","4","2","1","2","1") = "6"
    & skf21("6","1","7","4","2","1","3","1") = "6"
    & skf21("6","1","7","4","2","1","4","1") = "6"
    & skf21("6","1","7","4","2","1","5","1") = "6"
    & skf21("6","1","7","4","2","1","6","1") = "6"
    & skf21("6","1","7","4","2","1","7","1") = "6"
    & skf21("6","1","7","4","2","2","1","1") = "6"
    & skf21("6","1","7","4","2","2","2","1") = "6"
    & skf21("6","1","7","4","2","2","3","1") = "6"
    & skf21("6","1","7","4","2","2","4","1") = "6"
    & skf21("6","1","7","4","2","2","5","1") = "6"
    & skf21("6","1","7","4","2","2","6","1") = "6"
    & skf21("6","1","7","4","2","2","7","1") = "6"
    & skf21("6","1","7","4","2","3","1","1") = "6"
    & skf21("6","1","7","4","2","3","2","1") = "6"
    & skf21("6","1","7","4","2","3","3","1") = "6"
    & skf21("6","1","7","4","2","3","4","1") = "6"
    & skf21("6","1","7","4","2","3","5","1") = "6"
    & skf21("6","1","7","4","2","3","6","1") = "6"
    & skf21("6","1","7","4","2","3","7","1") = "6"
    & skf21("6","1","7","4","2","4","1","1") = "6"
    & skf21("6","1","7","4","2","4","2","1") = "6"
    & skf21("6","1","7","4","2","4","3","1") = "6"
    & skf21("6","1","7","4","2","4","4","1") = "6"
    & skf21("6","1","7","4","2","4","5","1") = "6"
    & skf21("6","1","7","4","2","4","6","1") = "6"
    & skf21("6","1","7","4","2","4","7","1") = "6"
    & skf21("6","1","7","4","2","5","1","1") = "6"
    & skf21("6","1","7","4","2","5","2","1") = "6"
    & skf21("6","1","7","4","2","5","3","1") = "6"
    & skf21("6","1","7","4","2","5","4","1") = "6"
    & skf21("6","1","7","4","2","5","5","1") = "6"
    & skf21("6","1","7","4","2","5","6","1") = "6"
    & skf21("6","1","7","4","2","5","7","1") = "6"
    & skf21("6","1","7","4","2","6","1","1") = "6"
    & skf21("6","1","7","4","2","6","2","1") = "6"
    & skf21("6","1","7","4","2","6","3","1") = "6"
    & skf21("6","1","7","4","2","6","4","1") = "6"
    & skf21("6","1","7","4","2","6","5","1") = "6"
    & skf21("6","1","7","4","2","6","6","1") = "6"
    & skf21("6","1","7","4","2","6","7","1") = "6"
    & skf21("6","1","7","4","2","7","1","1") = "6"
    & skf21("6","1","7","4","2","7","2","1") = "6"
    & skf21("6","1","7","4","2","7","3","1") = "6"
    & skf21("6","1","7","4","2","7","4","1") = "6"
    & skf21("6","1","7","4","2","7","5","1") = "6"
    & skf21("6","1","7","4","2","7","6","1") = "6"
    & skf21("6","1","7","4","2","7","7","1") = "6"
    & skf21("6","1","7","4","3","1","1","1") = "6"
    & skf21("6","1","7","4","3","1","2","1") = "6"
    & skf21("6","1","7","4","3","1","3","1") = "6"
    & skf21("6","1","7","4","3","1","4","1") = "6"
    & skf21("6","1","7","4","3","1","5","1") = "6"
    & skf21("6","1","7","4","3","1","6","1") = "6"
    & skf21("6","1","7","4","3","1","7","1") = "6"
    & skf21("6","1","7","4","3","2","1","1") = "6"
    & skf21("6","1","7","4","3","2","2","1") = "6"
    & skf21("6","1","7","4","3","2","3","1") = "6"
    & skf21("6","1","7","4","3","2","4","1") = "6"
    & skf21("6","1","7","4","3","2","5","1") = "6"
    & skf21("6","1","7","4","3","2","6","1") = "6"
    & skf21("6","1","7","4","3","2","7","1") = "6"
    & skf21("6","1","7","4","3","3","1","1") = "6"
    & skf21("6","1","7","4","3","3","2","1") = "6"
    & skf21("6","1","7","4","3","3","3","1") = "6"
    & skf21("6","1","7","4","3","3","4","1") = "6"
    & skf21("6","1","7","4","3","3","5","1") = "6"
    & skf21("6","1","7","4","3","3","6","1") = "6"
    & skf21("6","1","7","4","3","3","7","1") = "6"
    & skf21("6","1","7","4","3","4","1","1") = "6"
    & skf21("6","1","7","4","3","4","2","1") = "6"
    & skf21("6","1","7","4","3","4","3","1") = "6"
    & skf21("6","1","7","4","3","4","4","1") = "6"
    & skf21("6","1","7","4","3","4","5","1") = "6"
    & skf21("6","1","7","4","3","4","6","1") = "6"
    & skf21("6","1","7","4","3","4","7","1") = "6"
    & skf21("6","1","7","4","3","5","1","1") = "6"
    & skf21("6","1","7","4","3","5","2","1") = "6"
    & skf21("6","1","7","4","3","5","3","1") = "6"
    & skf21("6","1","7","4","3","5","4","1") = "6"
    & skf21("6","1","7","4","3","5","5","1") = "6"
    & skf21("6","1","7","4","3","5","6","1") = "6"
    & skf21("6","1","7","4","3","5","7","1") = "6"
    & skf21("6","1","7","4","3","6","1","1") = "6"
    & skf21("6","1","7","4","3","6","2","1") = "6"
    & skf21("6","1","7","4","3","6","3","1") = "6"
    & skf21("6","1","7","4","3","6","4","1") = "6"
    & skf21("6","1","7","4","3","6","5","1") = "6"
    & skf21("6","1","7","4","3","6","6","1") = "6"
    & skf21("6","1","7","4","3","6","7","1") = "6"
    & skf21("6","1","7","4","3","7","1","1") = "6"
    & skf21("6","1","7","4","3","7","2","1") = "6"
    & skf21("6","1","7","4","3","7","3","1") = "6"
    & skf21("6","1","7","4","3","7","4","1") = "6"
    & skf21("6","1","7","4","3","7","5","1") = "6"
    & skf21("6","1","7","4","3","7","6","1") = "6"
    & skf21("6","1","7","4","3","7","7","1") = "6"
    & skf21("6","1","7","4","4","1","1","1") = "6"
    & skf21("6","1","7","4","4","1","2","1") = "6"
    & skf21("6","1","7","4","4","1","3","1") = "6"
    & skf21("6","1","7","4","4","1","4","1") = "6"
    & skf21("6","1","7","4","4","1","5","1") = "6"
    & skf21("6","1","7","4","4","1","6","1") = "6"
    & skf21("6","1","7","4","4","1","7","1") = "6"
    & skf21("6","1","7","4","4","2","1","1") = "6"
    & skf21("6","1","7","4","4","2","2","1") = "6"
    & skf21("6","1","7","4","4","2","3","1") = "6"
    & skf21("6","1","7","4","4","2","4","1") = "6"
    & skf21("6","1","7","4","4","2","5","1") = "6"
    & skf21("6","1","7","4","4","2","6","1") = "6"
    & skf21("6","1","7","4","4","2","7","1") = "6"
    & skf21("6","1","7","4","4","3","1","1") = "6"
    & skf21("6","1","7","4","4","3","2","1") = "6"
    & skf21("6","1","7","4","4","3","3","1") = "6"
    & skf21("6","1","7","4","4","3","4","1") = "6"
    & skf21("6","1","7","4","4","3","5","1") = "6"
    & skf21("6","1","7","4","4","3","6","1") = "6"
    & skf21("6","1","7","4","4","3","7","1") = "6"
    & skf21("6","1","7","4","4","4","1","1") = "6"
    & skf21("6","1","7","4","4","4","2","1") = "6"
    & skf21("6","1","7","4","4","4","3","1") = "6"
    & skf21("6","1","7","4","4","4","4","1") = "6"
    & skf21("6","1","7","4","4","4","5","1") = "6"
    & skf21("6","1","7","4","4","4","6","1") = "6"
    & skf21("6","1","7","4","4","4","7","1") = "6"
    & skf21("6","1","7","4","4","5","1","1") = "6"
    & skf21("6","1","7","4","4","5","2","1") = "6"
    & skf21("6","1","7","4","4","5","3","1") = "6"
    & skf21("6","1","7","4","4","5","4","1") = "6"
    & skf21("6","1","7","4","4","5","5","1") = "6"
    & skf21("6","1","7","4","4","5","6","1") = "6"
    & skf21("6","1","7","4","4","5","7","1") = "6"
    & skf21("6","1","7","4","4","6","1","1") = "6"
    & skf21("6","1","7","4","4","6","2","1") = "6"
    & skf21("6","1","7","4","4","6","3","1") = "6"
    & skf21("6","1","7","4","4","6","4","1") = "6"
    & skf21("6","1","7","4","4","6","5","1") = "6"
    & skf21("6","1","7","4","4","6","6","1") = "6"
    & skf21("6","1","7","4","4","6","7","1") = "6"
    & skf21("6","1","7","4","4","7","1","1") = "6"
    & skf21("6","1","7","4","4","7","2","1") = "6"
    & skf21("6","1","7","4","4","7","3","1") = "6"
    & skf21("6","1","7","4","4","7","4","1") = "6"
    & skf21("6","1","7","4","4","7","5","1") = "6"
    & skf21("6","1","7","4","4","7","6","1") = "6"
    & skf21("6","1","7","4","4","7","7","1") = "6"
    & skf21("6","1","7","4","5","1","1","1") = "6"
    & skf21("6","1","7","4","5","1","2","1") = "6"
    & skf21("6","1","7","4","5","1","3","1") = "6"
    & skf21("6","1","7","4","5","1","4","1") = "6"
    & skf21("6","1","7","4","5","1","5","1") = "6"
    & skf21("6","1","7","4","5","1","6","1") = "6"
    & skf21("6","1","7","4","5","1","7","1") = "6"
    & skf21("6","1","7","4","5","2","1","1") = "6"
    & skf21("6","1","7","4","5","2","2","1") = "6"
    & skf21("6","1","7","4","5","2","3","1") = "6"
    & skf21("6","1","7","4","5","2","4","1") = "6"
    & skf21("6","1","7","4","5","2","5","1") = "6"
    & skf21("6","1","7","4","5","2","6","1") = "6"
    & skf21("6","1","7","4","5","2","7","1") = "6"
    & skf21("6","1","7","4","5","3","1","1") = "6"
    & skf21("6","1","7","4","5","3","2","1") = "6"
    & skf21("6","1","7","4","5","3","3","1") = "6"
    & skf21("6","1","7","4","5","3","4","1") = "6"
    & skf21("6","1","7","4","5","3","5","1") = "6"
    & skf21("6","1","7","4","5","3","6","1") = "6"
    & skf21("6","1","7","4","5","3","7","1") = "6"
    & skf21("6","1","7","4","5","4","1","1") = "6"
    & skf21("6","1","7","4","5","4","2","1") = "6"
    & skf21("6","1","7","4","5","4","3","1") = "6"
    & skf21("6","1","7","4","5","4","4","1") = "6"
    & skf21("6","1","7","4","5","4","5","1") = "6"
    & skf21("6","1","7","4","5","4","6","1") = "6"
    & skf21("6","1","7","4","5","4","7","1") = "6"
    & skf21("6","1","7","4","5","5","1","1") = "6"
    & skf21("6","1","7","4","5","5","2","1") = "6"
    & skf21("6","1","7","4","5","5","3","1") = "6"
    & skf21("6","1","7","4","5","5","4","1") = "6"
    & skf21("6","1","7","4","5","5","5","1") = "6"
    & skf21("6","1","7","4","5","5","6","1") = "6"
    & skf21("6","1","7","4","5","5","7","1") = "6"
    & skf21("6","1","7","4","5","6","1","1") = "6"
    & skf21("6","1","7","4","5","6","2","1") = "6"
    & skf21("6","1","7","4","5","6","3","1") = "6"
    & skf21("6","1","7","4","5","6","4","1") = "6"
    & skf21("6","1","7","4","5","6","5","1") = "6"
    & skf21("6","1","7","4","5","6","6","1") = "6"
    & skf21("6","1","7","4","5","6","7","1") = "6"
    & skf21("6","1","7","4","5","7","1","1") = "6"
    & skf21("6","1","7","4","5","7","2","1") = "6"
    & skf21("6","1","7","4","5","7","3","1") = "6"
    & skf21("6","1","7","4","5","7","4","1") = "6"
    & skf21("6","1","7","4","5","7","5","1") = "6"
    & skf21("6","1","7","4","5","7","6","1") = "6"
    & skf21("6","1","7","4","5","7","7","1") = "6"
    & skf21("6","1","7","4","6","1","1","1") = "6"
    & skf21("6","1","7","4","6","1","2","1") = "6"
    & skf21("6","1","7","4","6","1","3","1") = "6"
    & skf21("6","1","7","4","6","1","4","1") = "6"
    & skf21("6","1","7","4","6","1","5","1") = "6"
    & skf21("6","1","7","4","6","1","6","1") = "6"
    & skf21("6","1","7","4","6","1","7","1") = "6"
    & skf21("6","1","7","4","6","2","1","1") = "6"
    & skf21("6","1","7","4","6","2","2","1") = "6"
    & skf21("6","1","7","4","6","2","3","1") = "6"
    & skf21("6","1","7","4","6","2","4","1") = "6"
    & skf21("6","1","7","4","6","2","5","1") = "6"
    & skf21("6","1","7","4","6","2","6","1") = "6"
    & skf21("6","1","7","4","6","2","7","1") = "6"
    & skf21("6","1","7","4","6","3","1","1") = "6"
    & skf21("6","1","7","4","6","3","2","1") = "6"
    & skf21("6","1","7","4","6","3","3","1") = "6"
    & skf21("6","1","7","4","6","3","4","1") = "6"
    & skf21("6","1","7","4","6","3","5","1") = "6"
    & skf21("6","1","7","4","6","3","6","1") = "6"
    & skf21("6","1","7","4","6","3","7","1") = "6"
    & skf21("6","1","7","4","6","4","1","1") = "6"
    & skf21("6","1","7","4","6","4","2","1") = "6"
    & skf21("6","1","7","4","6","4","3","1") = "6"
    & skf21("6","1","7","4","6","4","4","1") = "6"
    & skf21("6","1","7","4","6","4","5","1") = "6"
    & skf21("6","1","7","4","6","4","6","1") = "6"
    & skf21("6","1","7","4","6","4","7","1") = "6"
    & skf21("6","1","7","4","6","5","1","1") = "6"
    & skf21("6","1","7","4","6","5","2","1") = "6"
    & skf21("6","1","7","4","6","5","3","1") = "6"
    & skf21("6","1","7","4","6","5","4","1") = "6"
    & skf21("6","1","7","4","6","5","5","1") = "6"
    & skf21("6","1","7","4","6","5","6","1") = "6"
    & skf21("6","1","7","4","6","5","7","1") = "6"
    & skf21("6","1","7","4","6","6","1","1") = "6"
    & skf21("6","1","7","4","6","6","2","1") = "6"
    & skf21("6","1","7","4","6","6","3","1") = "6"
    & skf21("6","1","7","4","6","6","4","1") = "6"
    & skf21("6","1","7","4","6","6","5","1") = "6"
    & skf21("6","1","7","4","6","6","6","1") = "6"
    & skf21("6","1","7","4","6","6","7","1") = "6"
    & skf21("6","1","7","4","6","7","1","1") = "6"
    & skf21("6","1","7","4","6","7","2","1") = "6"
    & skf21("6","1","7","4","6","7","3","1") = "6"
    & skf21("6","1","7","4","6","7","4","1") = "6"
    & skf21("6","1","7","4","6","7","5","1") = "6"
    & skf21("6","1","7","4","6","7","6","1") = "6"
    & skf21("6","1","7","4","6","7","7","1") = "6"
    & skf21("6","1","7","4","7","1","1","1") = "6"
    & skf21("6","1","7","4","7","1","2","1") = "6"
    & skf21("6","1","7","4","7","1","3","1") = "6"
    & skf21("6","1","7","4","7","1","4","1") = "6"
    & skf21("6","1","7","4","7","1","5","1") = "6"
    & skf21("6","1","7","4","7","1","6","1") = "6"
    & skf21("6","1","7","4","7","1","7","1") = "6"
    & skf21("6","1","7","4","7","2","1","1") = "6"
    & skf21("6","1","7","4","7","2","2","1") = "6"
    & skf21("6","1","7","4","7","2","3","1") = "6"
    & skf21("6","1","7","4","7","2","4","1") = "6"
    & skf21("6","1","7","4","7","2","5","1") = "6"
    & skf21("6","1","7","4","7","2","6","1") = "6"
    & skf21("6","1","7","4","7","2","7","1") = "6"
    & skf21("6","1","7","4","7","3","1","1") = "6"
    & skf21("6","1","7","4","7","3","2","1") = "6"
    & skf21("6","1","7","4","7","3","3","1") = "6"
    & skf21("6","1","7","4","7","3","4","1") = "6"
    & skf21("6","1","7","4","7","3","5","1") = "6"
    & skf21("6","1","7","4","7","3","6","1") = "6"
    & skf21("6","1","7","4","7","3","7","1") = "6"
    & skf21("6","1","7","4","7","4","1","1") = "6"
    & skf21("6","1","7","4","7","4","2","1") = "6"
    & skf21("6","1","7","4","7","4","3","1") = "6"
    & skf21("6","1","7","4","7","4","4","1") = "6"
    & skf21("6","1","7","4","7","4","5","1") = "6"
    & skf21("6","1","7","4","7","4","6","1") = "6"
    & skf21("6","1","7","4","7","4","7","1") = "6"
    & skf21("6","1","7","4","7","5","1","1") = "6"
    & skf21("6","1","7","4","7","5","2","1") = "6"
    & skf21("6","1","7","4","7","5","3","1") = "6"
    & skf21("6","1","7","4","7","5","4","1") = "6"
    & skf21("6","1","7","4","7","5","5","1") = "6"
    & skf21("6","1","7","4","7","5","6","1") = "6"
    & skf21("6","1","7","4","7","5","7","1") = "6"
    & skf21("6","1","7","4","7","6","1","1") = "6"
    & skf21("6","1","7","4","7","6","2","1") = "6"
    & skf21("6","1","7","4","7","6","3","1") = "6"
    & skf21("6","1","7","4","7","6","4","1") = "6"
    & skf21("6","1","7","4","7","6","5","1") = "6"
    & skf21("6","1","7","4","7","6","6","1") = "6"
    & skf21("6","1","7","4","7","6","7","1") = "6"
    & skf21("6","1","7","4","7","7","1","1") = "6"
    & skf21("6","1","7","4","7","7","2","1") = "6"
    & skf21("6","1","7","4","7","7","3","1") = "6"
    & skf21("6","1","7","4","7","7","4","1") = "6"
    & skf21("6","1","7","4","7","7","5","1") = "6"
    & skf21("6","1","7","4","7","7","6","1") = "6"
    & skf21("6","1","7","4","7","7","7","1") = "6"
    & skf21("6","1","7","5","1","1","1","1") = "6"
    & skf21("6","1","7","5","1","1","2","1") = "6"
    & skf21("6","1","7","5","1","1","3","1") = "6"
    & skf21("6","1","7","5","1","1","4","1") = "6"
    & skf21("6","1","7","5","1","1","5","1") = "6"
    & skf21("6","1","7","5","1","1","6","1") = "6"
    & skf21("6","1","7","5","1","1","7","1") = "6"
    & skf21("6","1","7","5","1","2","1","1") = "6"
    & skf21("6","1","7","5","1","2","2","1") = "6"
    & skf21("6","1","7","5","1","2","3","1") = "6"
    & skf21("6","1","7","5","1","2","4","1") = "6"
    & skf21("6","1","7","5","1","2","5","1") = "6"
    & skf21("6","1","7","5","1","2","6","1") = "6"
    & skf21("6","1","7","5","1","2","7","1") = "6"
    & skf21("6","1","7","5","1","3","1","1") = "6"
    & skf21("6","1","7","5","1","3","2","1") = "6"
    & skf21("6","1","7","5","1","3","3","1") = "6"
    & skf21("6","1","7","5","1","3","4","1") = "6"
    & skf21("6","1","7","5","1","3","5","1") = "6"
    & skf21("6","1","7","5","1","3","6","1") = "6"
    & skf21("6","1","7","5","1","3","7","1") = "6"
    & skf21("6","1","7","5","1","4","1","1") = "6"
    & skf21("6","1","7","5","1","4","2","1") = "6"
    & skf21("6","1","7","5","1","4","3","1") = "6"
    & skf21("6","1","7","5","1","4","4","1") = "6"
    & skf21("6","1","7","5","1","4","5","1") = "6"
    & skf21("6","1","7","5","1","4","6","1") = "6"
    & skf21("6","1","7","5","1","4","7","1") = "6"
    & skf21("6","1","7","5","1","5","1","1") = "6"
    & skf21("6","1","7","5","1","5","2","1") = "6"
    & skf21("6","1","7","5","1","5","3","1") = "6"
    & skf21("6","1","7","5","1","5","4","1") = "6"
    & skf21("6","1","7","5","1","5","5","1") = "6"
    & skf21("6","1","7","5","1","5","6","1") = "6"
    & skf21("6","1","7","5","1","5","7","1") = "6"
    & skf21("6","1","7","5","1","6","1","1") = "6"
    & skf21("6","1","7","5","1","6","2","1") = "6"
    & skf21("6","1","7","5","1","6","3","1") = "6"
    & skf21("6","1","7","5","1","6","4","1") = "6"
    & skf21("6","1","7","5","1","6","5","1") = "6"
    & skf21("6","1","7","5","1","6","6","1") = "6"
    & skf21("6","1","7","5","1","6","7","1") = "6"
    & skf21("6","1","7","5","1","7","1","1") = "6"
    & skf21("6","1","7","5","1","7","2","1") = "6"
    & skf21("6","1","7","5","1","7","3","1") = "6"
    & skf21("6","1","7","5","1","7","4","1") = "6"
    & skf21("6","1","7","5","1","7","5","1") = "6"
    & skf21("6","1","7","5","1","7","6","1") = "6"
    & skf21("6","1","7","5","1","7","7","1") = "6"
    & skf21("6","1","7","5","2","1","1","1") = "6"
    & skf21("6","1","7","5","2","1","2","1") = "6"
    & skf21("6","1","7","5","2","1","3","1") = "6"
    & skf21("6","1","7","5","2","1","4","1") = "6"
    & skf21("6","1","7","5","2","1","5","1") = "6"
    & skf21("6","1","7","5","2","1","6","1") = "6"
    & skf21("6","1","7","5","2","1","7","1") = "6"
    & skf21("6","1","7","5","2","2","1","1") = "6"
    & skf21("6","1","7","5","2","2","2","1") = "6"
    & skf21("6","1","7","5","2","2","3","1") = "6"
    & skf21("6","1","7","5","2","2","4","1") = "6"
    & skf21("6","1","7","5","2","2","5","1") = "6"
    & skf21("6","1","7","5","2","2","6","1") = "6"
    & skf21("6","1","7","5","2","2","7","1") = "6"
    & skf21("6","1","7","5","2","3","1","1") = "6"
    & skf21("6","1","7","5","2","3","2","1") = "6"
    & skf21("6","1","7","5","2","3","3","1") = "6"
    & skf21("6","1","7","5","2","3","4","1") = "6"
    & skf21("6","1","7","5","2","3","5","1") = "6"
    & skf21("6","1","7","5","2","3","6","1") = "6"
    & skf21("6","1","7","5","2","3","7","1") = "6"
    & skf21("6","1","7","5","2","4","1","1") = "6"
    & skf21("6","1","7","5","2","4","2","1") = "6"
    & skf21("6","1","7","5","2","4","3","1") = "6"
    & skf21("6","1","7","5","2","4","4","1") = "6"
    & skf21("6","1","7","5","2","4","5","1") = "6"
    & skf21("6","1","7","5","2","4","6","1") = "6"
    & skf21("6","1","7","5","2","4","7","1") = "6"
    & skf21("6","1","7","5","2","5","1","1") = "6"
    & skf21("6","1","7","5","2","5","2","1") = "6"
    & skf21("6","1","7","5","2","5","3","1") = "6"
    & skf21("6","1","7","5","2","5","4","1") = "6"
    & skf21("6","1","7","5","2","5","5","1") = "6"
    & skf21("6","1","7","5","2","5","6","1") = "6"
    & skf21("6","1","7","5","2","5","7","1") = "6"
    & skf21("6","1","7","5","2","6","1","1") = "6"
    & skf21("6","1","7","5","2","6","2","1") = "6"
    & skf21("6","1","7","5","2","6","3","1") = "6"
    & skf21("6","1","7","5","2","6","4","1") = "6"
    & skf21("6","1","7","5","2","6","5","1") = "6"
    & skf21("6","1","7","5","2","6","6","1") = "6"
    & skf21("6","1","7","5","2","6","7","1") = "6"
    & skf21("6","1","7","5","2","7","1","1") = "6"
    & skf21("6","1","7","5","2","7","2","1") = "6"
    & skf21("6","1","7","5","2","7","3","1") = "6"
    & skf21("6","1","7","5","2","7","4","1") = "6"
    & skf21("6","1","7","5","2","7","5","1") = "6"
    & skf21("6","1","7","5","2","7","6","1") = "6"
    & skf21("6","1","7","5","2","7","7","1") = "6"
    & skf21("6","1","7","5","3","1","1","1") = "6"
    & skf21("6","1","7","5","3","1","2","1") = "6"
    & skf21("6","1","7","5","3","1","3","1") = "6"
    & skf21("6","1","7","5","3","1","4","1") = "6"
    & skf21("6","1","7","5","3","1","5","1") = "6"
    & skf21("6","1","7","5","3","1","6","1") = "6"
    & skf21("6","1","7","5","3","1","7","1") = "6"
    & skf21("6","1","7","5","3","2","1","1") = "6"
    & skf21("6","1","7","5","3","2","2","1") = "6"
    & skf21("6","1","7","5","3","2","3","1") = "6"
    & skf21("6","1","7","5","3","2","4","1") = "6"
    & skf21("6","1","7","5","3","2","5","1") = "6"
    & skf21("6","1","7","5","3","2","6","1") = "6"
    & skf21("6","1","7","5","3","2","7","1") = "6"
    & skf21("6","1","7","5","3","3","1","1") = "6"
    & skf21("6","1","7","5","3","3","2","1") = "6"
    & skf21("6","1","7","5","3","3","3","1") = "6"
    & skf21("6","1","7","5","3","3","4","1") = "6"
    & skf21("6","1","7","5","3","3","5","1") = "6"
    & skf21("6","1","7","5","3","3","6","1") = "6"
    & skf21("6","1","7","5","3","3","7","1") = "6"
    & skf21("6","1","7","5","3","4","1","1") = "6"
    & skf21("6","1","7","5","3","4","2","1") = "6"
    & skf21("6","1","7","5","3","4","3","1") = "6"
    & skf21("6","1","7","5","3","4","4","1") = "6"
    & skf21("6","1","7","5","3","4","5","1") = "6"
    & skf21("6","1","7","5","3","4","6","1") = "6"
    & skf21("6","1","7","5","3","4","7","1") = "6"
    & skf21("6","1","7","5","3","5","1","1") = "6"
    & skf21("6","1","7","5","3","5","2","1") = "6"
    & skf21("6","1","7","5","3","5","3","1") = "6"
    & skf21("6","1","7","5","3","5","4","1") = "6"
    & skf21("6","1","7","5","3","5","5","1") = "6"
    & skf21("6","1","7","5","3","5","6","1") = "6"
    & skf21("6","1","7","5","3","5","7","1") = "6"
    & skf21("6","1","7","5","3","6","1","1") = "6"
    & skf21("6","1","7","5","3","6","2","1") = "6"
    & skf21("6","1","7","5","3","6","3","1") = "6"
    & skf21("6","1","7","5","3","6","4","1") = "6"
    & skf21("6","1","7","5","3","6","5","1") = "6"
    & skf21("6","1","7","5","3","6","6","1") = "6"
    & skf21("6","1","7","5","3","6","7","1") = "6"
    & skf21("6","1","7","5","3","7","1","1") = "6"
    & skf21("6","1","7","5","3","7","2","1") = "6"
    & skf21("6","1","7","5","3","7","3","1") = "6"
    & skf21("6","1","7","5","3","7","4","1") = "6"
    & skf21("6","1","7","5","3","7","5","1") = "6"
    & skf21("6","1","7","5","3","7","6","1") = "6"
    & skf21("6","1","7","5","3","7","7","1") = "6"
    & skf21("6","1","7","5","4","1","1","1") = "6"
    & skf21("6","1","7","5","4","1","2","1") = "6"
    & skf21("6","1","7","5","4","1","3","1") = "6"
    & skf21("6","1","7","5","4","1","4","1") = "6"
    & skf21("6","1","7","5","4","1","5","1") = "6"
    & skf21("6","1","7","5","4","1","6","1") = "6"
    & skf21("6","1","7","5","4","1","7","1") = "6"
    & skf21("6","1","7","5","4","2","1","1") = "6"
    & skf21("6","1","7","5","4","2","2","1") = "6"
    & skf21("6","1","7","5","4","2","3","1") = "6"
    & skf21("6","1","7","5","4","2","4","1") = "6"
    & skf21("6","1","7","5","4","2","5","1") = "6"
    & skf21("6","1","7","5","4","2","6","1") = "6"
    & skf21("6","1","7","5","4","2","7","1") = "6"
    & skf21("6","1","7","5","4","3","1","1") = "6"
    & skf21("6","1","7","5","4","3","2","1") = "6"
    & skf21("6","1","7","5","4","3","3","1") = "6"
    & skf21("6","1","7","5","4","3","4","1") = "6"
    & skf21("6","1","7","5","4","3","5","1") = "6"
    & skf21("6","1","7","5","4","3","6","1") = "6"
    & skf21("6","1","7","5","4","3","7","1") = "6"
    & skf21("6","1","7","5","4","4","1","1") = "6"
    & skf21("6","1","7","5","4","4","2","1") = "6"
    & skf21("6","1","7","5","4","4","3","1") = "6"
    & skf21("6","1","7","5","4","4","4","1") = "6"
    & skf21("6","1","7","5","4","4","5","1") = "6"
    & skf21("6","1","7","5","4","4","6","1") = "6"
    & skf21("6","1","7","5","4","4","7","1") = "6"
    & skf21("6","1","7","5","4","5","1","1") = "6"
    & skf21("6","1","7","5","4","5","2","1") = "6"
    & skf21("6","1","7","5","4","5","3","1") = "6"
    & skf21("6","1","7","5","4","5","4","1") = "6"
    & skf21("6","1","7","5","4","5","5","1") = "6"
    & skf21("6","1","7","5","4","5","6","1") = "6"
    & skf21("6","1","7","5","4","5","7","1") = "6"
    & skf21("6","1","7","5","4","6","1","1") = "6"
    & skf21("6","1","7","5","4","6","2","1") = "6"
    & skf21("6","1","7","5","4","6","3","1") = "6"
    & skf21("6","1","7","5","4","6","4","1") = "6"
    & skf21("6","1","7","5","4","6","5","1") = "6"
    & skf21("6","1","7","5","4","6","6","1") = "6"
    & skf21("6","1","7","5","4","6","7","1") = "6"
    & skf21("6","1","7","5","4","7","1","1") = "6"
    & skf21("6","1","7","5","4","7","2","1") = "6"
    & skf21("6","1","7","5","4","7","3","1") = "6"
    & skf21("6","1","7","5","4","7","4","1") = "6"
    & skf21("6","1","7","5","4","7","5","1") = "6"
    & skf21("6","1","7","5","4","7","6","1") = "6"
    & skf21("6","1","7","5","4","7","7","1") = "6"
    & skf21("6","1","7","5","5","1","1","1") = "6"
    & skf21("6","1","7","5","5","1","2","1") = "6"
    & skf21("6","1","7","5","5","1","3","1") = "6"
    & skf21("6","1","7","5","5","1","4","1") = "6"
    & skf21("6","1","7","5","5","1","5","1") = "6"
    & skf21("6","1","7","5","5","1","6","1") = "6"
    & skf21("6","1","7","5","5","1","7","1") = "6"
    & skf21("6","1","7","5","5","2","1","1") = "6"
    & skf21("6","1","7","5","5","2","2","1") = "6"
    & skf21("6","1","7","5","5","2","3","1") = "6"
    & skf21("6","1","7","5","5","2","4","1") = "6"
    & skf21("6","1","7","5","5","2","5","1") = "6"
    & skf21("6","1","7","5","5","2","6","1") = "6"
    & skf21("6","1","7","5","5","2","7","1") = "6"
    & skf21("6","1","7","5","5","3","1","1") = "6"
    & skf21("6","1","7","5","5","3","2","1") = "6"
    & skf21("6","1","7","5","5","3","3","1") = "6"
    & skf21("6","1","7","5","5","3","4","1") = "6"
    & skf21("6","1","7","5","5","3","5","1") = "6"
    & skf21("6","1","7","5","5","3","6","1") = "6"
    & skf21("6","1","7","5","5","3","7","1") = "6"
    & skf21("6","1","7","5","5","4","1","1") = "6"
    & skf21("6","1","7","5","5","4","2","1") = "6"
    & skf21("6","1","7","5","5","4","3","1") = "6"
    & skf21("6","1","7","5","5","4","4","1") = "6"
    & skf21("6","1","7","5","5","4","5","1") = "6"
    & skf21("6","1","7","5","5","4","6","1") = "6"
    & skf21("6","1","7","5","5","4","7","1") = "6"
    & skf21("6","1","7","5","5","5","1","1") = "6"
    & skf21("6","1","7","5","5","5","2","1") = "6"
    & skf21("6","1","7","5","5","5","3","1") = "6"
    & skf21("6","1","7","5","5","5","4","1") = "6"
    & skf21("6","1","7","5","5","5","5","1") = "6"
    & skf21("6","1","7","5","5","5","6","1") = "6"
    & skf21("6","1","7","5","5","5","7","1") = "6"
    & skf21("6","1","7","5","5","6","1","1") = "6"
    & skf21("6","1","7","5","5","6","2","1") = "6"
    & skf21("6","1","7","5","5","6","3","1") = "6"
    & skf21("6","1","7","5","5","6","4","1") = "6"
    & skf21("6","1","7","5","5","6","5","1") = "6"
    & skf21("6","1","7","5","5","6","6","1") = "6"
    & skf21("6","1","7","5","5","6","7","1") = "6"
    & skf21("6","1","7","5","5","7","1","1") = "6"
    & skf21("6","1","7","5","5","7","2","1") = "6"
    & skf21("6","1","7","5","5","7","3","1") = "6"
    & skf21("6","1","7","5","5","7","4","1") = "6"
    & skf21("6","1","7","5","5","7","5","1") = "6"
    & skf21("6","1","7","5","5","7","6","1") = "6"
    & skf21("6","1","7","5","5","7","7","1") = "6"
    & skf21("6","1","7","5","6","1","1","1") = "6"
    & skf21("6","1","7","5","6","1","2","1") = "6"
    & skf21("6","1","7","5","6","1","3","1") = "6"
    & skf21("6","1","7","5","6","1","4","1") = "6"
    & skf21("6","1","7","5","6","1","5","1") = "6"
    & skf21("6","1","7","5","6","1","6","1") = "6"
    & skf21("6","1","7","5","6","1","7","1") = "6"
    & skf21("6","1","7","5","6","2","1","1") = "6"
    & skf21("6","1","7","5","6","2","2","1") = "6"
    & skf21("6","1","7","5","6","2","3","1") = "6"
    & skf21("6","1","7","5","6","2","4","1") = "6"
    & skf21("6","1","7","5","6","2","5","1") = "6"
    & skf21("6","1","7","5","6","2","6","1") = "6"
    & skf21("6","1","7","5","6","2","7","1") = "6"
    & skf21("6","1","7","5","6","3","1","1") = "6"
    & skf21("6","1","7","5","6","3","2","1") = "6"
    & skf21("6","1","7","5","6","3","3","1") = "6"
    & skf21("6","1","7","5","6","3","4","1") = "6"
    & skf21("6","1","7","5","6","3","5","1") = "6"
    & skf21("6","1","7","5","6","3","6","1") = "6"
    & skf21("6","1","7","5","6","3","7","1") = "6"
    & skf21("6","1","7","5","6","4","1","1") = "6"
    & skf21("6","1","7","5","6","4","2","1") = "6"
    & skf21("6","1","7","5","6","4","3","1") = "6"
    & skf21("6","1","7","5","6","4","4","1") = "6"
    & skf21("6","1","7","5","6","4","5","1") = "6"
    & skf21("6","1","7","5","6","4","6","1") = "6"
    & skf21("6","1","7","5","6","4","7","1") = "6"
    & skf21("6","1","7","5","6","5","1","1") = "6"
    & skf21("6","1","7","5","6","5","2","1") = "6"
    & skf21("6","1","7","5","6","5","3","1") = "6"
    & skf21("6","1","7","5","6","5","4","1") = "6"
    & skf21("6","1","7","5","6","5","5","1") = "6"
    & skf21("6","1","7","5","6","5","6","1") = "6"
    & skf21("6","1","7","5","6","5","7","1") = "6"
    & skf21("6","1","7","5","6","6","1","1") = "6"
    & skf21("6","1","7","5","6","6","2","1") = "6"
    & skf21("6","1","7","5","6","6","3","1") = "6"
    & skf21("6","1","7","5","6","6","4","1") = "6"
    & skf21("6","1","7","5","6","6","5","1") = "6"
    & skf21("6","1","7","5","6","6","6","1") = "6"
    & skf21("6","1","7","5","6","6","7","1") = "6"
    & skf21("6","1","7","5","6","7","1","1") = "6"
    & skf21("6","1","7","5","6","7","2","1") = "6"
    & skf21("6","1","7","5","6","7","3","1") = "6"
    & skf21("6","1","7","5","6","7","4","1") = "6"
    & skf21("6","1","7","5","6","7","5","1") = "6"
    & skf21("6","1","7","5","6","7","6","1") = "6"
    & skf21("6","1","7","5","6","7","7","1") = "6"
    & skf21("6","1","7","5","7","1","1","1") = "6"
    & skf21("6","1","7","5","7","1","2","1") = "6"
    & skf21("6","1","7","5","7","1","3","1") = "6"
    & skf21("6","1","7","5","7","1","4","1") = "6"
    & skf21("6","1","7","5","7","1","5","1") = "6"
    & skf21("6","1","7","5","7","1","6","1") = "6"
    & skf21("6","1","7","5","7","1","7","1") = "6"
    & skf21("6","1","7","5","7","2","1","1") = "6"
    & skf21("6","1","7","5","7","2","2","1") = "6"
    & skf21("6","1","7","5","7","2","3","1") = "6"
    & skf21("6","1","7","5","7","2","4","1") = "6"
    & skf21("6","1","7","5","7","2","5","1") = "6"
    & skf21("6","1","7","5","7","2","6","1") = "6"
    & skf21("6","1","7","5","7","2","7","1") = "6"
    & skf21("6","1","7","5","7","3","1","1") = "6"
    & skf21("6","1","7","5","7","3","2","1") = "6"
    & skf21("6","1","7","5","7","3","3","1") = "6"
    & skf21("6","1","7","5","7","3","4","1") = "6"
    & skf21("6","1","7","5","7","3","5","1") = "6"
    & skf21("6","1","7","5","7","3","6","1") = "6"
    & skf21("6","1","7","5","7","3","7","1") = "6"
    & skf21("6","1","7","5","7","4","1","1") = "6"
    & skf21("6","1","7","5","7","4","2","1") = "6"
    & skf21("6","1","7","5","7","4","3","1") = "6"
    & skf21("6","1","7","5","7","4","4","1") = "6"
    & skf21("6","1","7","5","7","4","5","1") = "6"
    & skf21("6","1","7","5","7","4","6","1") = "6"
    & skf21("6","1","7","5","7","4","7","1") = "6"
    & skf21("6","1","7","5","7","5","1","1") = "6"
    & skf21("6","1","7","5","7","5","2","1") = "6"
    & skf21("6","1","7","5","7","5","3","1") = "6"
    & skf21("6","1","7","5","7","5","4","1") = "6"
    & skf21("6","1","7","5","7","5","5","1") = "6"
    & skf21("6","1","7","5","7","5","6","1") = "6"
    & skf21("6","1","7","5","7","5","7","1") = "6"
    & skf21("6","1","7","5","7","6","1","1") = "6"
    & skf21("6","1","7","5","7","6","2","1") = "6"
    & skf21("6","1","7","5","7","6","3","1") = "6"
    & skf21("6","1","7","5","7","6","4","1") = "6"
    & skf21("6","1","7","5","7","6","5","1") = "6"
    & skf21("6","1","7","5","7","6","6","1") = "6"
    & skf21("6","1","7","5","7","6","7","1") = "6"
    & skf21("6","1","7","5","7","7","1","1") = "6"
    & skf21("6","1","7","5","7","7","2","1") = "6"
    & skf21("6","1","7","5","7","7","3","1") = "6"
    & skf21("6","1","7","5","7","7","4","1") = "6"
    & skf21("6","1","7","5","7","7","5","1") = "6"
    & skf21("6","1","7","5","7","7","6","1") = "6"
    & skf21("6","1","7","5","7","7","7","1") = "6"
    & skf21("6","1","7","6","1","1","1","1") = "6"
    & skf21("6","1","7","6","1","1","2","1") = "6"
    & skf21("6","1","7","6","1","1","3","1") = "6"
    & skf21("6","1","7","6","1","1","4","1") = "6"
    & skf21("6","1","7","6","1","1","5","1") = "6"
    & skf21("6","1","7","6","1","1","6","1") = "6"
    & skf21("6","1","7","6","1","1","7","1") = "6"
    & skf21("6","1","7","6","1","2","1","1") = "6"
    & skf21("6","1","7","6","1","2","2","1") = "6"
    & skf21("6","1","7","6","1","2","3","1") = "6"
    & skf21("6","1","7","6","1","2","4","1") = "6"
    & skf21("6","1","7","6","1","2","5","1") = "6"
    & skf21("6","1","7","6","1","2","6","1") = "6"
    & skf21("6","1","7","6","1","2","7","1") = "6"
    & skf21("6","1","7","6","1","3","1","1") = "6"
    & skf21("6","1","7","6","1","3","2","1") = "6"
    & skf21("6","1","7","6","1","3","3","1") = "6"
    & skf21("6","1","7","6","1","3","4","1") = "6"
    & skf21("6","1","7","6","1","3","5","1") = "6"
    & skf21("6","1","7","6","1","3","6","1") = "6"
    & skf21("6","1","7","6","1","3","7","1") = "6"
    & skf21("6","1","7","6","1","4","1","1") = "6"
    & skf21("6","1","7","6","1","4","2","1") = "6"
    & skf21("6","1","7","6","1","4","3","1") = "6"
    & skf21("6","1","7","6","1","4","4","1") = "6"
    & skf21("6","1","7","6","1","4","5","1") = "6"
    & skf21("6","1","7","6","1","4","6","1") = "6"
    & skf21("6","1","7","6","1","4","7","1") = "6"
    & skf21("6","1","7","6","1","5","1","1") = "6"
    & skf21("6","1","7","6","1","5","2","1") = "6"
    & skf21("6","1","7","6","1","5","3","1") = "6"
    & skf21("6","1","7","6","1","5","4","1") = "6"
    & skf21("6","1","7","6","1","5","5","1") = "6"
    & skf21("6","1","7","6","1","5","6","1") = "6"
    & skf21("6","1","7","6","1","5","7","1") = "6"
    & skf21("6","1","7","6","1","6","1","1") = "6"
    & skf21("6","1","7","6","1","6","2","1") = "6"
    & skf21("6","1","7","6","1","6","3","1") = "6"
    & skf21("6","1","7","6","1","6","4","1") = "6"
    & skf21("6","1","7","6","1","6","5","1") = "6"
    & skf21("6","1","7","6","1","6","6","1") = "6"
    & skf21("6","1","7","6","1","6","7","1") = "6"
    & skf21("6","1","7","6","1","7","1","1") = "6"
    & skf21("6","1","7","6","1","7","2","1") = "6"
    & skf21("6","1","7","6","1","7","3","1") = "6"
    & skf21("6","1","7","6","1","7","4","1") = "6"
    & skf21("6","1","7","6","1","7","5","1") = "6"
    & skf21("6","1","7","6","1","7","6","1") = "6"
    & skf21("6","1","7","6","1","7","7","1") = "6"
    & skf21("6","1","7","6","2","1","1","1") = "6"
    & skf21("6","1","7","6","2","1","2","1") = "6"
    & skf21("6","1","7","6","2","1","3","1") = "6"
    & skf21("6","1","7","6","2","1","4","1") = "6"
    & skf21("6","1","7","6","2","1","5","1") = "6"
    & skf21("6","1","7","6","2","1","6","1") = "6"
    & skf21("6","1","7","6","2","1","7","1") = "6"
    & skf21("6","1","7","6","2","2","1","1") = "6"
    & skf21("6","1","7","6","2","2","2","1") = "6"
    & skf21("6","1","7","6","2","2","3","1") = "6"
    & skf21("6","1","7","6","2","2","4","1") = "6"
    & skf21("6","1","7","6","2","2","5","1") = "6"
    & skf21("6","1","7","6","2","2","6","1") = "6"
    & skf21("6","1","7","6","2","2","7","1") = "6"
    & skf21("6","1","7","6","2","3","1","1") = "6"
    & skf21("6","1","7","6","2","3","2","1") = "6"
    & skf21("6","1","7","6","2","3","3","1") = "6"
    & skf21("6","1","7","6","2","3","4","1") = "6"
    & skf21("6","1","7","6","2","3","5","1") = "6"
    & skf21("6","1","7","6","2","3","6","1") = "6"
    & skf21("6","1","7","6","2","3","7","1") = "6"
    & skf21("6","1","7","6","2","4","1","1") = "6"
    & skf21("6","1","7","6","2","4","2","1") = "6"
    & skf21("6","1","7","6","2","4","3","1") = "6"
    & skf21("6","1","7","6","2","4","4","1") = "6"
    & skf21("6","1","7","6","2","4","5","1") = "6"
    & skf21("6","1","7","6","2","4","6","1") = "6"
    & skf21("6","1","7","6","2","4","7","1") = "6"
    & skf21("6","1","7","6","2","5","1","1") = "6"
    & skf21("6","1","7","6","2","5","2","1") = "6"
    & skf21("6","1","7","6","2","5","3","1") = "6"
    & skf21("6","1","7","6","2","5","4","1") = "6"
    & skf21("6","1","7","6","2","5","5","1") = "6"
    & skf21("6","1","7","6","2","5","6","1") = "6"
    & skf21("6","1","7","6","2","5","7","1") = "6"
    & skf21("6","1","7","6","2","6","1","1") = "6"
    & skf21("6","1","7","6","2","6","2","1") = "6"
    & skf21("6","1","7","6","2","6","3","1") = "6"
    & skf21("6","1","7","6","2","6","4","1") = "6"
    & skf21("6","1","7","6","2","6","5","1") = "6"
    & skf21("6","1","7","6","2","6","6","1") = "6"
    & skf21("6","1","7","6","2","6","7","1") = "6"
    & skf21("6","1","7","6","2","7","1","1") = "6"
    & skf21("6","1","7","6","2","7","2","1") = "6"
    & skf21("6","1","7","6","2","7","3","1") = "6"
    & skf21("6","1","7","6","2","7","4","1") = "6"
    & skf21("6","1","7","6","2","7","5","1") = "6"
    & skf21("6","1","7","6","2","7","6","1") = "6"
    & skf21("6","1","7","6","2","7","7","1") = "6"
    & skf21("6","1","7","6","3","1","1","1") = "6"
    & skf21("6","1","7","6","3","1","2","1") = "6"
    & skf21("6","1","7","6","3","1","3","1") = "6"
    & skf21("6","1","7","6","3","1","4","1") = "6"
    & skf21("6","1","7","6","3","1","5","1") = "6"
    & skf21("6","1","7","6","3","1","6","1") = "6"
    & skf21("6","1","7","6","3","1","7","1") = "6"
    & skf21("6","1","7","6","3","2","1","1") = "6"
    & skf21("6","1","7","6","3","2","2","1") = "6"
    & skf21("6","1","7","6","3","2","3","1") = "6"
    & skf21("6","1","7","6","3","2","4","1") = "6"
    & skf21("6","1","7","6","3","2","5","1") = "6"
    & skf21("6","1","7","6","3","2","6","1") = "6"
    & skf21("6","1","7","6","3","2","7","1") = "6"
    & skf21("6","1","7","6","3","3","1","1") = "6"
    & skf21("6","1","7","6","3","3","2","1") = "6"
    & skf21("6","1","7","6","3","3","3","1") = "6"
    & skf21("6","1","7","6","3","3","4","1") = "6"
    & skf21("6","1","7","6","3","3","5","1") = "6"
    & skf21("6","1","7","6","3","3","6","1") = "6"
    & skf21("6","1","7","6","3","3","7","1") = "6"
    & skf21("6","1","7","6","3","4","1","1") = "6"
    & skf21("6","1","7","6","3","4","2","1") = "6"
    & skf21("6","1","7","6","3","4","3","1") = "6"
    & skf21("6","1","7","6","3","4","4","1") = "6"
    & skf21("6","1","7","6","3","4","5","1") = "6"
    & skf21("6","1","7","6","3","4","6","1") = "6"
    & skf21("6","1","7","6","3","4","7","1") = "6"
    & skf21("6","1","7","6","3","5","1","1") = "6"
    & skf21("6","1","7","6","3","5","2","1") = "6"
    & skf21("6","1","7","6","3","5","3","1") = "6"
    & skf21("6","1","7","6","3","5","4","1") = "6"
    & skf21("6","1","7","6","3","5","5","1") = "6"
    & skf21("6","1","7","6","3","5","6","1") = "6"
    & skf21("6","1","7","6","3","5","7","1") = "6"
    & skf21("6","1","7","6","3","6","1","1") = "6"
    & skf21("6","1","7","6","3","6","2","1") = "6"
    & skf21("6","1","7","6","3","6","3","1") = "6"
    & skf21("6","1","7","6","3","6","4","1") = "6"
    & skf21("6","1","7","6","3","6","5","1") = "6"
    & skf21("6","1","7","6","3","6","6","1") = "6"
    & skf21("6","1","7","6","3","6","7","1") = "6"
    & skf21("6","1","7","6","3","7","1","1") = "6"
    & skf21("6","1","7","6","3","7","2","1") = "6"
    & skf21("6","1","7","6","3","7","3","1") = "6"
    & skf21("6","1","7","6","3","7","4","1") = "6"
    & skf21("6","1","7","6","3","7","5","1") = "6"
    & skf21("6","1","7","6","3","7","6","1") = "6"
    & skf21("6","1","7","6","3","7","7","1") = "6"
    & skf21("6","1","7","6","4","1","1","1") = "6"
    & skf21("6","1","7","6","4","1","2","1") = "6"
    & skf21("6","1","7","6","4","1","3","1") = "6"
    & skf21("6","1","7","6","4","1","4","1") = "6"
    & skf21("6","1","7","6","4","1","5","1") = "6"
    & skf21("6","1","7","6","4","1","6","1") = "6"
    & skf21("6","1","7","6","4","1","7","1") = "6"
    & skf21("6","1","7","6","4","2","1","1") = "6"
    & skf21("6","1","7","6","4","2","2","1") = "6"
    & skf21("6","1","7","6","4","2","3","1") = "6"
    & skf21("6","1","7","6","4","2","4","1") = "6"
    & skf21("6","1","7","6","4","2","5","1") = "6"
    & skf21("6","1","7","6","4","2","6","1") = "6"
    & skf21("6","1","7","6","4","2","7","1") = "6"
    & skf21("6","1","7","6","4","3","1","1") = "6"
    & skf21("6","1","7","6","4","3","2","1") = "6"
    & skf21("6","1","7","6","4","3","3","1") = "6"
    & skf21("6","1","7","6","4","3","4","1") = "6"
    & skf21("6","1","7","6","4","3","5","1") = "6"
    & skf21("6","1","7","6","4","3","6","1") = "6"
    & skf21("6","1","7","6","4","3","7","1") = "6"
    & skf21("6","1","7","6","4","4","1","1") = "6"
    & skf21("6","1","7","6","4","4","2","1") = "6"
    & skf21("6","1","7","6","4","4","3","1") = "6"
    & skf21("6","1","7","6","4","4","4","1") = "6"
    & skf21("6","1","7","6","4","4","5","1") = "6"
    & skf21("6","1","7","6","4","4","6","1") = "6"
    & skf21("6","1","7","6","4","4","7","1") = "6"
    & skf21("6","1","7","6","4","5","1","1") = "6"
    & skf21("6","1","7","6","4","5","2","1") = "6"
    & skf21("6","1","7","6","4","5","3","1") = "6"
    & skf21("6","1","7","6","4","5","4","1") = "6"
    & skf21("6","1","7","6","4","5","5","1") = "6"
    & skf21("6","1","7","6","4","5","6","1") = "6"
    & skf21("6","1","7","6","4","5","7","1") = "6"
    & skf21("6","1","7","6","4","6","1","1") = "6"
    & skf21("6","1","7","6","4","6","2","1") = "6"
    & skf21("6","1","7","6","4","6","3","1") = "6"
    & skf21("6","1","7","6","4","6","4","1") = "6"
    & skf21("6","1","7","6","4","6","5","1") = "6"
    & skf21("6","1","7","6","4","6","6","1") = "6"
    & skf21("6","1","7","6","4","6","7","1") = "6"
    & skf21("6","1","7","6","4","7","1","1") = "6"
    & skf21("6","1","7","6","4","7","2","1") = "6"
    & skf21("6","1","7","6","4","7","3","1") = "6"
    & skf21("6","1","7","6","4","7","4","1") = "6"
    & skf21("6","1","7","6","4","7","5","1") = "6"
    & skf21("6","1","7","6","4","7","6","1") = "6"
    & skf21("6","1","7","6","4","7","7","1") = "6"
    & skf21("6","1","7","6","5","1","1","1") = "6"
    & skf21("6","1","7","6","5","1","2","1") = "6"
    & skf21("6","1","7","6","5","1","3","1") = "6"
    & skf21("6","1","7","6","5","1","4","1") = "6"
    & skf21("6","1","7","6","5","1","5","1") = "6"
    & skf21("6","1","7","6","5","1","6","1") = "6"
    & skf21("6","1","7","6","5","1","7","1") = "6"
    & skf21("6","1","7","6","5","2","1","1") = "6"
    & skf21("6","1","7","6","5","2","2","1") = "6"
    & skf21("6","1","7","6","5","2","3","1") = "6"
    & skf21("6","1","7","6","5","2","4","1") = "6"
    & skf21("6","1","7","6","5","2","5","1") = "6"
    & skf21("6","1","7","6","5","2","6","1") = "6"
    & skf21("6","1","7","6","5","2","7","1") = "6"
    & skf21("6","1","7","6","5","3","1","1") = "6"
    & skf21("6","1","7","6","5","3","2","1") = "6"
    & skf21("6","1","7","6","5","3","3","1") = "6"
    & skf21("6","1","7","6","5","3","4","1") = "6"
    & skf21("6","1","7","6","5","3","5","1") = "6"
    & skf21("6","1","7","6","5","3","6","1") = "6"
    & skf21("6","1","7","6","5","3","7","1") = "6"
    & skf21("6","1","7","6","5","4","1","1") = "6"
    & skf21("6","1","7","6","5","4","2","1") = "6"
    & skf21("6","1","7","6","5","4","3","1") = "6"
    & skf21("6","1","7","6","5","4","4","1") = "6"
    & skf21("6","1","7","6","5","4","5","1") = "6"
    & skf21("6","1","7","6","5","4","6","1") = "6"
    & skf21("6","1","7","6","5","4","7","1") = "6"
    & skf21("6","1","7","6","5","5","1","1") = "6"
    & skf21("6","1","7","6","5","5","2","1") = "6"
    & skf21("6","1","7","6","5","5","3","1") = "6"
    & skf21("6","1","7","6","5","5","4","1") = "6"
    & skf21("6","1","7","6","5","5","5","1") = "6"
    & skf21("6","1","7","6","5","5","6","1") = "6"
    & skf21("6","1","7","6","5","5","7","1") = "6"
    & skf21("6","1","7","6","5","6","1","1") = "6"
    & skf21("6","1","7","6","5","6","2","1") = "6"
    & skf21("6","1","7","6","5","6","3","1") = "6"
    & skf21("6","1","7","6","5","6","4","1") = "6"
    & skf21("6","1","7","6","5","6","5","1") = "6"
    & skf21("6","1","7","6","5","6","6","1") = "6"
    & skf21("6","1","7","6","5","6","7","1") = "6"
    & skf21("6","1","7","6","5","7","1","1") = "6"
    & skf21("6","1","7","6","5","7","2","1") = "6"
    & skf21("6","1","7","6","5","7","3","1") = "6"
    & skf21("6","1","7","6","5","7","4","1") = "6"
    & skf21("6","1","7","6","5","7","5","1") = "6"
    & skf21("6","1","7","6","5","7","6","1") = "6"
    & skf21("6","1","7","6","5","7","7","1") = "6"
    & skf21("6","1","7","6","6","1","1","1") = "6"
    & skf21("6","1","7","6","6","1","2","1") = "6"
    & skf21("6","1","7","6","6","1","3","1") = "6"
    & skf21("6","1","7","6","6","1","4","1") = "6"
    & skf21("6","1","7","6","6","1","5","1") = "6"
    & skf21("6","1","7","6","6","1","6","1") = "6"
    & skf21("6","1","7","6","6","1","7","1") = "6"
    & skf21("6","1","7","6","6","2","1","1") = "6"
    & skf21("6","1","7","6","6","2","2","1") = "6"
    & skf21("6","1","7","6","6","2","3","1") = "6"
    & skf21("6","1","7","6","6","2","4","1") = "6"
    & skf21("6","1","7","6","6","2","5","1") = "6"
    & skf21("6","1","7","6","6","2","6","1") = "6"
    & skf21("6","1","7","6","6","2","7","1") = "6"
    & skf21("6","1","7","6","6","3","1","1") = "6"
    & skf21("6","1","7","6","6","3","2","1") = "6"
    & skf21("6","1","7","6","6","3","3","1") = "6"
    & skf21("6","1","7","6","6","3","4","1") = "6"
    & skf21("6","1","7","6","6","3","5","1") = "6"
    & skf21("6","1","7","6","6","3","6","1") = "6"
    & skf21("6","1","7","6","6","3","7","1") = "6"
    & skf21("6","1","7","6","6","4","1","1") = "6"
    & skf21("6","1","7","6","6","4","2","1") = "6"
    & skf21("6","1","7","6","6","4","3","1") = "6"
    & skf21("6","1","7","6","6","4","4","1") = "6"
    & skf21("6","1","7","6","6","4","5","1") = "6"
    & skf21("6","1","7","6","6","4","6","1") = "6"
    & skf21("6","1","7","6","6","4","7","1") = "6"
    & skf21("6","1","7","6","6","5","1","1") = "6"
    & skf21("6","1","7","6","6","5","2","1") = "6"
    & skf21("6","1","7","6","6","5","3","1") = "6"
    & skf21("6","1","7","6","6","5","4","1") = "6"
    & skf21("6","1","7","6","6","5","5","1") = "6"
    & skf21("6","1","7","6","6","5","6","1") = "6"
    & skf21("6","1","7","6","6","5","7","1") = "6"
    & skf21("6","1","7","6","6","6","1","1") = "6"
    & skf21("6","1","7","6","6","6","2","1") = "6"
    & skf21("6","1","7","6","6","6","3","1") = "6"
    & skf21("6","1","7","6","6","6","4","1") = "6"
    & skf21("6","1","7","6","6","6","5","1") = "6"
    & skf21("6","1","7","6","6","6","6","1") = "6"
    & skf21("6","1","7","6","6","6","7","1") = "6"
    & skf21("6","1","7","6","6","7","1","1") = "6"
    & skf21("6","1","7","6","6","7","2","1") = "6"
    & skf21("6","1","7","6","6","7","3","1") = "6"
    & skf21("6","1","7","6","6","7","4","1") = "6"
    & skf21("6","1","7","6","6","7","5","1") = "6"
    & skf21("6","1","7","6","6","7","6","1") = "6"
    & skf21("6","1","7","6","6","7","7","1") = "6"
    & skf21("6","1","7","6","7","1","1","1") = "6"
    & skf21("6","1","7","6","7","1","2","1") = "6"
    & skf21("6","1","7","6","7","1","3","1") = "6"
    & skf21("6","1","7","6","7","1","4","1") = "6"
    & skf21("6","1","7","6","7","1","5","1") = "6"
    & skf21("6","1","7","6","7","1","6","1") = "6"
    & skf21("6","1","7","6","7","1","7","1") = "6"
    & skf21("6","1","7","6","7","2","1","1") = "6"
    & skf21("6","1","7","6","7","2","2","1") = "6"
    & skf21("6","1","7","6","7","2","3","1") = "6"
    & skf21("6","1","7","6","7","2","4","1") = "6"
    & skf21("6","1","7","6","7","2","5","1") = "6"
    & skf21("6","1","7","6","7","2","6","1") = "6"
    & skf21("6","1","7","6","7","2","7","1") = "6"
    & skf21("6","1","7","6","7","3","1","1") = "6"
    & skf21("6","1","7","6","7","3","2","1") = "6"
    & skf21("6","1","7","6","7","3","3","1") = "6"
    & skf21("6","1","7","6","7","3","4","1") = "6"
    & skf21("6","1","7","6","7","3","5","1") = "6"
    & skf21("6","1","7","6","7","3","6","1") = "6"
    & skf21("6","1","7","6","7","3","7","1") = "6"
    & skf21("6","1","7","6","7","4","1","1") = "6"
    & skf21("6","1","7","6","7","4","2","1") = "6"
    & skf21("6","1","7","6","7","4","3","1") = "6"
    & skf21("6","1","7","6","7","4","4","1") = "6"
    & skf21("6","1","7","6","7","4","5","1") = "6"
    & skf21("6","1","7","6","7","4","6","1") = "6"
    & skf21("6","1","7","6","7","4","7","1") = "6"
    & skf21("6","1","7","6","7","5","1","1") = "6"
    & skf21("6","1","7","6","7","5","2","1") = "6"
    & skf21("6","1","7","6","7","5","3","1") = "6"
    & skf21("6","1","7","6","7","5","4","1") = "6"
    & skf21("6","1","7","6","7","5","5","1") = "6"
    & skf21("6","1","7","6","7","5","6","1") = "6"
    & skf21("6","1","7","6","7","5","7","1") = "6"
    & skf21("6","1","7","6","7","6","1","1") = "6"
    & skf21("6","1","7","6","7","6","2","1") = "6"
    & skf21("6","1","7","6","7","6","3","1") = "6"
    & skf21("6","1","7","6","7","6","4","1") = "6"
    & skf21("6","1","7","6","7","6","5","1") = "6"
    & skf21("6","1","7","6","7","6","6","1") = "6"
    & skf21("6","1","7","6","7","6","7","1") = "6"
    & skf21("6","1","7","6","7","7","1","1") = "6"
    & skf21("6","1","7","6","7","7","2","1") = "6"
    & skf21("6","1","7","6","7","7","3","1") = "6"
    & skf21("6","1","7","6","7","7","4","1") = "6"
    & skf21("6","1","7","6","7","7","5","1") = "6"
    & skf21("6","1","7","6","7","7","6","1") = "6"
    & skf21("6","1","7","6","7","7","7","1") = "6"
    & skf21("6","1","7","7","1","1","1","1") = "6"
    & skf21("6","1","7","7","1","1","2","1") = "6"
    & skf21("6","1","7","7","1","1","3","1") = "6"
    & skf21("6","1","7","7","1","1","4","1") = "6"
    & skf21("6","1","7","7","1","1","5","1") = "6"
    & skf21("6","1","7","7","1","1","6","1") = "6"
    & skf21("6","1","7","7","1","1","7","1") = "6"
    & skf21("6","1","7","7","1","2","1","1") = "6"
    & skf21("6","1","7","7","1","2","2","1") = "6"
    & skf21("6","1","7","7","1","2","3","1") = "6"
    & skf21("6","1","7","7","1","2","4","1") = "6"
    & skf21("6","1","7","7","1","2","5","1") = "6"
    & skf21("6","1","7","7","1","2","6","1") = "6"
    & skf21("6","1","7","7","1","2","7","1") = "6"
    & skf21("6","1","7","7","1","3","1","1") = "6"
    & skf21("6","1","7","7","1","3","2","1") = "6"
    & skf21("6","1","7","7","1","3","3","1") = "6"
    & skf21("6","1","7","7","1","3","4","1") = "6"
    & skf21("6","1","7","7","1","3","5","1") = "6"
    & skf21("6","1","7","7","1","3","6","1") = "6"
    & skf21("6","1","7","7","1","3","7","1") = "6"
    & skf21("6","1","7","7","1","4","1","1") = "6"
    & skf21("6","1","7","7","1","4","2","1") = "6"
    & skf21("6","1","7","7","1","4","3","1") = "6"
    & skf21("6","1","7","7","1","4","4","1") = "6"
    & skf21("6","1","7","7","1","4","5","1") = "6"
    & skf21("6","1","7","7","1","4","6","1") = "6"
    & skf21("6","1","7","7","1","4","7","1") = "6"
    & skf21("6","1","7","7","1","5","1","1") = "6"
    & skf21("6","1","7","7","1","5","2","1") = "6"
    & skf21("6","1","7","7","1","5","3","1") = "6"
    & skf21("6","1","7","7","1","5","4","1") = "6"
    & skf21("6","1","7","7","1","5","5","1") = "6"
    & skf21("6","1","7","7","1","5","6","1") = "6"
    & skf21("6","1","7","7","1","5","7","1") = "6"
    & skf21("6","1","7","7","1","6","1","1") = "6"
    & skf21("6","1","7","7","1","6","2","1") = "6"
    & skf21("6","1","7","7","1","6","3","1") = "6"
    & skf21("6","1","7","7","1","6","4","1") = "6"
    & skf21("6","1","7","7","1","6","5","1") = "6"
    & skf21("6","1","7","7","1","6","6","1") = "6"
    & skf21("6","1","7","7","1","6","7","1") = "6"
    & skf21("6","1","7","7","1","7","1","1") = "6"
    & skf21("6","1","7","7","1","7","2","1") = "6"
    & skf21("6","1","7","7","1","7","3","1") = "6"
    & skf21("6","1","7","7","1","7","4","1") = "6"
    & skf21("6","1","7","7","1","7","5","1") = "6"
    & skf21("6","1","7","7","1","7","6","1") = "6"
    & skf21("6","1","7","7","1","7","7","1") = "6"
    & skf21("6","1","7","7","2","1","1","1") = "6"
    & skf21("6","1","7","7","2","1","2","1") = "6"
    & skf21("6","1","7","7","2","1","3","1") = "6"
    & skf21("6","1","7","7","2","1","4","1") = "6"
    & skf21("6","1","7","7","2","1","5","1") = "6"
    & skf21("6","1","7","7","2","1","6","1") = "6"
    & skf21("6","1","7","7","2","1","7","1") = "6"
    & skf21("6","1","7","7","2","2","1","1") = "6"
    & skf21("6","1","7","7","2","2","2","1") = "6"
    & skf21("6","1","7","7","2","2","3","1") = "6"
    & skf21("6","1","7","7","2","2","4","1") = "6"
    & skf21("6","1","7","7","2","2","5","1") = "6"
    & skf21("6","1","7","7","2","2","6","1") = "6"
    & skf21("6","1","7","7","2","2","7","1") = "6"
    & skf21("6","1","7","7","2","3","1","1") = "6"
    & skf21("6","1","7","7","2","3","2","1") = "6"
    & skf21("6","1","7","7","2","3","3","1") = "6"
    & skf21("6","1","7","7","2","3","4","1") = "6"
    & skf21("6","1","7","7","2","3","5","1") = "6"
    & skf21("6","1","7","7","2","3","6","1") = "6"
    & skf21("6","1","7","7","2","3","7","1") = "6"
    & skf21("6","1","7","7","2","4","1","1") = "6"
    & skf21("6","1","7","7","2","4","2","1") = "6"
    & skf21("6","1","7","7","2","4","3","1") = "6"
    & skf21("6","1","7","7","2","4","4","1") = "6"
    & skf21("6","1","7","7","2","4","5","1") = "6"
    & skf21("6","1","7","7","2","4","6","1") = "6"
    & skf21("6","1","7","7","2","4","7","1") = "6"
    & skf21("6","1","7","7","2","5","1","1") = "6"
    & skf21("6","1","7","7","2","5","2","1") = "6"
    & skf21("6","1","7","7","2","5","3","1") = "6"
    & skf21("6","1","7","7","2","5","4","1") = "6"
    & skf21("6","1","7","7","2","5","5","1") = "6"
    & skf21("6","1","7","7","2","5","6","1") = "6"
    & skf21("6","1","7","7","2","5","7","1") = "6"
    & skf21("6","1","7","7","2","6","1","1") = "6"
    & skf21("6","1","7","7","2","6","2","1") = "6"
    & skf21("6","1","7","7","2","6","3","1") = "6"
    & skf21("6","1","7","7","2","6","4","1") = "6"
    & skf21("6","1","7","7","2","6","5","1") = "6"
    & skf21("6","1","7","7","2","6","6","1") = "6"
    & skf21("6","1","7","7","2","6","7","1") = "6"
    & skf21("6","1","7","7","2","7","1","1") = "6"
    & skf21("6","1","7","7","2","7","2","1") = "6"
    & skf21("6","1","7","7","2","7","3","1") = "6"
    & skf21("6","1","7","7","2","7","4","1") = "6"
    & skf21("6","1","7","7","2","7","5","1") = "6"
    & skf21("6","1","7","7","2","7","6","1") = "6"
    & skf21("6","1","7","7","2","7","7","1") = "6"
    & skf21("6","1","7","7","3","1","1","1") = "6"
    & skf21("6","1","7","7","3","1","2","1") = "6"
    & skf21("6","1","7","7","3","1","3","1") = "6"
    & skf21("6","1","7","7","3","1","4","1") = "6"
    & skf21("6","1","7","7","3","1","5","1") = "6"
    & skf21("6","1","7","7","3","1","6","1") = "6"
    & skf21("6","1","7","7","3","1","7","1") = "6"
    & skf21("6","1","7","7","3","2","1","1") = "6"
    & skf21("6","1","7","7","3","2","2","1") = "6"
    & skf21("6","1","7","7","3","2","3","1") = "6"
    & skf21("6","1","7","7","3","2","4","1") = "6"
    & skf21("6","1","7","7","3","2","5","1") = "6"
    & skf21("6","1","7","7","3","2","6","1") = "6"
    & skf21("6","1","7","7","3","2","7","1") = "6"
    & skf21("6","1","7","7","3","3","1","1") = "6"
    & skf21("6","1","7","7","3","3","2","1") = "6"
    & skf21("6","1","7","7","3","3","3","1") = "6"
    & skf21("6","1","7","7","3","3","4","1") = "6"
    & skf21("6","1","7","7","3","3","5","1") = "6"
    & skf21("6","1","7","7","3","3","6","1") = "6"
    & skf21("6","1","7","7","3","3","7","1") = "6"
    & skf21("6","1","7","7","3","4","1","1") = "6"
    & skf21("6","1","7","7","3","4","2","1") = "6"
    & skf21("6","1","7","7","3","4","3","1") = "6"
    & skf21("6","1","7","7","3","4","4","1") = "6"
    & skf21("6","1","7","7","3","4","5","1") = "6"
    & skf21("6","1","7","7","3","4","6","1") = "6"
    & skf21("6","1","7","7","3","4","7","1") = "6"
    & skf21("6","1","7","7","3","5","1","1") = "6"
    & skf21("6","1","7","7","3","5","2","1") = "6"
    & skf21("6","1","7","7","3","5","3","1") = "6"
    & skf21("6","1","7","7","3","5","4","1") = "6"
    & skf21("6","1","7","7","3","5","5","1") = "6"
    & skf21("6","1","7","7","3","5","6","1") = "6"
    & skf21("6","1","7","7","3","5","7","1") = "6"
    & skf21("6","1","7","7","3","6","1","1") = "6"
    & skf21("6","1","7","7","3","6","2","1") = "6"
    & skf21("6","1","7","7","3","6","3","1") = "6"
    & skf21("6","1","7","7","3","6","4","1") = "6"
    & skf21("6","1","7","7","3","6","5","1") = "6"
    & skf21("6","1","7","7","3","6","6","1") = "6"
    & skf21("6","1","7","7","3","6","7","1") = "6"
    & skf21("6","1","7","7","3","7","1","1") = "6"
    & skf21("6","1","7","7","3","7","2","1") = "6"
    & skf21("6","1","7","7","3","7","3","1") = "6"
    & skf21("6","1","7","7","3","7","4","1") = "6"
    & skf21("6","1","7","7","3","7","5","1") = "6"
    & skf21("6","1","7","7","3","7","6","1") = "6"
    & skf21("6","1","7","7","3","7","7","1") = "6"
    & skf21("6","1","7","7","4","1","1","1") = "6"
    & skf21("6","1","7","7","4","1","2","1") = "6"
    & skf21("6","1","7","7","4","1","3","1") = "6"
    & skf21("6","1","7","7","4","1","4","1") = "6"
    & skf21("6","1","7","7","4","1","5","1") = "6"
    & skf21("6","1","7","7","4","1","6","1") = "6"
    & skf21("6","1","7","7","4","1","7","1") = "6"
    & skf21("6","1","7","7","4","2","1","1") = "6"
    & skf21("6","1","7","7","4","2","2","1") = "6"
    & skf21("6","1","7","7","4","2","3","1") = "6"
    & skf21("6","1","7","7","4","2","4","1") = "6"
    & skf21("6","1","7","7","4","2","5","1") = "6"
    & skf21("6","1","7","7","4","2","6","1") = "6"
    & skf21("6","1","7","7","4","2","7","1") = "6"
    & skf21("6","1","7","7","4","3","1","1") = "6"
    & skf21("6","1","7","7","4","3","2","1") = "6"
    & skf21("6","1","7","7","4","3","3","1") = "6"
    & skf21("6","1","7","7","4","3","4","1") = "6"
    & skf21("6","1","7","7","4","3","5","1") = "6"
    & skf21("6","1","7","7","4","3","6","1") = "6"
    & skf21("6","1","7","7","4","3","7","1") = "6"
    & skf21("6","1","7","7","4","4","1","1") = "6"
    & skf21("6","1","7","7","4","4","2","1") = "6"
    & skf21("6","1","7","7","4","4","3","1") = "6"
    & skf21("6","1","7","7","4","4","4","1") = "6"
    & skf21("6","1","7","7","4","4","5","1") = "6"
    & skf21("6","1","7","7","4","4","6","1") = "6"
    & skf21("6","1","7","7","4","4","7","1") = "6"
    & skf21("6","1","7","7","4","5","1","1") = "6"
    & skf21("6","1","7","7","4","5","2","1") = "6"
    & skf21("6","1","7","7","4","5","3","1") = "6"
    & skf21("6","1","7","7","4","5","4","1") = "6"
    & skf21("6","1","7","7","4","5","5","1") = "6"
    & skf21("6","1","7","7","4","5","6","1") = "6"
    & skf21("6","1","7","7","4","5","7","1") = "6"
    & skf21("6","1","7","7","4","6","1","1") = "6"
    & skf21("6","1","7","7","4","6","2","1") = "6"
    & skf21("6","1","7","7","4","6","3","1") = "6"
    & skf21("6","1","7","7","4","6","4","1") = "6"
    & skf21("6","1","7","7","4","6","5","1") = "6"
    & skf21("6","1","7","7","4","6","6","1") = "6"
    & skf21("6","1","7","7","4","6","7","1") = "6"
    & skf21("6","1","7","7","4","7","1","1") = "6"
    & skf21("6","1","7","7","4","7","2","1") = "6"
    & skf21("6","1","7","7","4","7","3","1") = "6"
    & skf21("6","1","7","7","4","7","4","1") = "6"
    & skf21("6","1","7","7","4","7","5","1") = "6"
    & skf21("6","1","7","7","4","7","6","1") = "6"
    & skf21("6","1","7","7","4","7","7","1") = "6"
    & skf21("6","1","7","7","5","1","1","1") = "6"
    & skf21("6","1","7","7","5","1","2","1") = "6"
    & skf21("6","1","7","7","5","1","3","1") = "6"
    & skf21("6","1","7","7","5","1","4","1") = "6"
    & skf21("6","1","7","7","5","1","5","1") = "6"
    & skf21("6","1","7","7","5","1","6","1") = "6"
    & skf21("6","1","7","7","5","1","7","1") = "6"
    & skf21("6","1","7","7","5","2","1","1") = "6"
    & skf21("6","1","7","7","5","2","2","1") = "6"
    & skf21("6","1","7","7","5","2","3","1") = "6"
    & skf21("6","1","7","7","5","2","4","1") = "6"
    & skf21("6","1","7","7","5","2","5","1") = "6"
    & skf21("6","1","7","7","5","2","6","1") = "6"
    & skf21("6","1","7","7","5","2","7","1") = "6"
    & skf21("6","1","7","7","5","3","1","1") = "6"
    & skf21("6","1","7","7","5","3","2","1") = "6"
    & skf21("6","1","7","7","5","3","3","1") = "6"
    & skf21("6","1","7","7","5","3","4","1") = "6"
    & skf21("6","1","7","7","5","3","5","1") = "6"
    & skf21("6","1","7","7","5","3","6","1") = "6"
    & skf21("6","1","7","7","5","3","7","1") = "6"
    & skf21("6","1","7","7","5","4","1","1") = "6"
    & skf21("6","1","7","7","5","4","2","1") = "6"
    & skf21("6","1","7","7","5","4","3","1") = "6"
    & skf21("6","1","7","7","5","4","4","1") = "6"
    & skf21("6","1","7","7","5","4","5","1") = "6"
    & skf21("6","1","7","7","5","4","6","1") = "6"
    & skf21("6","1","7","7","5","4","7","1") = "6"
    & skf21("6","1","7","7","5","5","1","1") = "6"
    & skf21("6","1","7","7","5","5","2","1") = "6"
    & skf21("6","1","7","7","5","5","3","1") = "6"
    & skf21("6","1","7","7","5","5","4","1") = "6"
    & skf21("6","1","7","7","5","5","5","1") = "6"
    & skf21("6","1","7","7","5","5","6","1") = "6"
    & skf21("6","1","7","7","5","5","7","1") = "6"
    & skf21("6","1","7","7","5","6","1","1") = "6"
    & skf21("6","1","7","7","5","6","2","1") = "6"
    & skf21("6","1","7","7","5","6","3","1") = "6"
    & skf21("6","1","7","7","5","6","4","1") = "6"
    & skf21("6","1","7","7","5","6","5","1") = "6"
    & skf21("6","1","7","7","5","6","6","1") = "6"
    & skf21("6","1","7","7","5","6","7","1") = "6"
    & skf21("6","1","7","7","5","7","1","1") = "6"
    & skf21("6","1","7","7","5","7","2","1") = "6"
    & skf21("6","1","7","7","5","7","3","1") = "6"
    & skf21("6","1","7","7","5","7","4","1") = "6"
    & skf21("6","1","7","7","5","7","5","1") = "6"
    & skf21("6","1","7","7","5","7","6","1") = "6"
    & skf21("6","1","7","7","5","7","7","1") = "6"
    & skf21("6","1","7","7","6","1","1","1") = "6"
    & skf21("6","1","7","7","6","1","2","1") = "6"
    & skf21("6","1","7","7","6","1","3","1") = "6"
    & skf21("6","1","7","7","6","1","4","1") = "6"
    & skf21("6","1","7","7","6","1","5","1") = "6"
    & skf21("6","1","7","7","6","1","6","1") = "6"
    & skf21("6","1","7","7","6","1","7","1") = "6"
    & skf21("6","1","7","7","6","2","1","1") = "6"
    & skf21("6","1","7","7","6","2","2","1") = "6"
    & skf21("6","1","7","7","6","2","3","1") = "6"
    & skf21("6","1","7","7","6","2","4","1") = "6"
    & skf21("6","1","7","7","6","2","5","1") = "6"
    & skf21("6","1","7","7","6","2","6","1") = "6"
    & skf21("6","1","7","7","6","2","7","1") = "6"
    & skf21("6","1","7","7","6","3","1","1") = "6"
    & skf21("6","1","7","7","6","3","2","1") = "6"
    & skf21("6","1","7","7","6","3","3","1") = "6"
    & skf21("6","1","7","7","6","3","4","1") = "6"
    & skf21("6","1","7","7","6","3","5","1") = "6"
    & skf21("6","1","7","7","6","3","6","1") = "6"
    & skf21("6","1","7","7","6","3","7","1") = "6"
    & skf21("6","1","7","7","6","4","1","1") = "6"
    & skf21("6","1","7","7","6","4","2","1") = "6"
    & skf21("6","1","7","7","6","4","3","1") = "6"
    & skf21("6","1","7","7","6","4","4","1") = "6"
    & skf21("6","1","7","7","6","4","5","1") = "6"
    & skf21("6","1","7","7","6","4","6","1") = "6"
    & skf21("6","1","7","7","6","4","7","1") = "6"
    & skf21("6","1","7","7","6","5","1","1") = "6"
    & skf21("6","1","7","7","6","5","2","1") = "6"
    & skf21("6","1","7","7","6","5","3","1") = "6"
    & skf21("6","1","7","7","6","5","4","1") = "6"
    & skf21("6","1","7","7","6","5","5","1") = "6"
    & skf21("6","1","7","7","6","5","6","1") = "6"
    & skf21("6","1","7","7","6","5","7","1") = "6"
    & skf21("6","1","7","7","6","6","1","1") = "6"
    & skf21("6","1","7","7","6","6","2","1") = "6"
    & skf21("6","1","7","7","6","6","3","1") = "6"
    & skf21("6","1","7","7","6","6","4","1") = "6"
    & skf21("6","1","7","7","6","6","5","1") = "6"
    & skf21("6","1","7","7","6","6","6","1") = "6"
    & skf21("6","1","7","7","6","6","7","1") = "6"
    & skf21("6","1","7","7","6","7","1","1") = "6"
    & skf21("6","1","7","7","6","7","2","1") = "6"
    & skf21("6","1","7","7","6","7","3","1") = "6"
    & skf21("6","1","7","7","6","7","4","1") = "6"
    & skf21("6","1","7","7","6","7","5","1") = "6"
    & skf21("6","1","7","7","6","7","6","1") = "6"
    & skf21("6","1","7","7","6","7","7","1") = "6"
    & skf21("6","1","7","7","7","1","1","1") = "6"
    & skf21("6","1","7","7","7","1","2","1") = "6"
    & skf21("6","1","7","7","7","1","3","1") = "6"
    & skf21("6","1","7","7","7","1","4","1") = "6"
    & skf21("6","1","7","7","7","1","5","1") = "6"
    & skf21("6","1","7","7","7","1","6","1") = "6"
    & skf21("6","1","7","7","7","1","7","1") = "6"
    & skf21("6","1","7","7","7","2","1","1") = "6"
    & skf21("6","1","7","7","7","2","2","1") = "6"
    & skf21("6","1","7","7","7","2","3","1") = "6"
    & skf21("6","1","7","7","7","2","4","1") = "6"
    & skf21("6","1","7","7","7","2","5","1") = "6"
    & skf21("6","1","7","7","7","2","6","1") = "6"
    & skf21("6","1","7","7","7","2","7","1") = "6"
    & skf21("6","1","7","7","7","3","1","1") = "6"
    & skf21("6","1","7","7","7","3","2","1") = "6"
    & skf21("6","1","7","7","7","3","3","1") = "6"
    & skf21("6","1","7","7","7","3","4","1") = "6"
    & skf21("6","1","7","7","7","3","5","1") = "6"
    & skf21("6","1","7","7","7","3","6","1") = "6"
    & skf21("6","1","7","7","7","3","7","1") = "6"
    & skf21("6","1","7","7","7","4","1","1") = "6"
    & skf21("6","1","7","7","7","4","2","1") = "6"
    & skf21("6","1","7","7","7","4","3","1") = "6"
    & skf21("6","1","7","7","7","4","4","1") = "6"
    & skf21("6","1","7","7","7","4","5","1") = "6"
    & skf21("6","1","7","7","7","4","6","1") = "6"
    & skf21("6","1","7","7","7","4","7","1") = "6"
    & skf21("6","1","7","7","7","5","1","1") = "6"
    & skf21("6","1","7","7","7","5","2","1") = "6"
    & skf21("6","1","7","7","7","5","3","1") = "6"
    & skf21("6","1","7","7","7","5","4","1") = "6"
    & skf21("6","1","7","7","7","5","5","1") = "6"
    & skf21("6","1","7","7","7","5","6","1") = "6"
    & skf21("6","1","7","7","7","5","7","1") = "6"
    & skf21("6","1","7","7","7","6","1","1") = "6"
    & skf21("6","1","7","7","7","6","2","1") = "6"
    & skf21("6","1","7","7","7","6","3","1") = "6"
    & skf21("6","1","7","7","7","6","4","1") = "6"
    & skf21("6","1","7","7","7","6","5","1") = "6"
    & skf21("6","1","7","7","7","6","6","1") = "6"
    & skf21("6","1","7","7","7","6","7","1") = "6"
    & skf21("6","1","7","7","7","7","1","1") = "6"
    & skf21("6","1","7","7","7","7","2","1") = "6"
    & skf21("6","1","7","7","7","7","3","1") = "6"
    & skf21("6","1","7","7","7","7","4","1") = "6"
    & skf21("6","1","7","7","7","7","5","1") = "6"
    & skf21("6","1","7","7","7","7","6","1") = "6"
    & skf21("6","1","7","7","7","7","7","1") = "6"
    & skf21("6","2","1","1","1","1","1","1") = "5"
    & skf21("6","2","1","1","1","1","2","1") = "5"
    & skf21("6","2","1","1","1","1","3","1") = "5"
    & skf21("6","2","1","1","1","1","4","1") = "5"
    & skf21("6","2","1","1","1","1","5","1") = "5"
    & skf21("6","2","1","1","1","1","6","1") = "5"
    & skf21("6","2","1","1","1","1","7","1") = "6"
    & skf21("6","2","1","1","1","2","1","1") = "5"
    & skf21("6","2","1","1","1","2","2","1") = "5"
    & skf21("6","2","1","1","1","2","3","1") = "5"
    & skf21("6","2","1","1","1","2","4","1") = "5"
    & skf21("6","2","1","1","1","2","5","1") = "5"
    & skf21("6","2","1","1","1","2","6","1") = "5"
    & skf21("6","2","1","1","1","2","7","1") = "6"
    & skf21("6","2","1","1","1","3","1","1") = "5"
    & skf21("6","2","1","1","1","3","2","1") = "5"
    & skf21("6","2","1","1","1","3","3","1") = "5"
    & skf21("6","2","1","1","1","3","4","1") = "5"
    & skf21("6","2","1","1","1","3","5","1") = "5"
    & skf21("6","2","1","1","1","3","6","1") = "5"
    & skf21("6","2","1","1","1","3","7","1") = "6"
    & skf21("6","2","1","1","1","4","1","1") = "5"
    & skf21("6","2","1","1","1","4","2","1") = "5"
    & skf21("6","2","1","1","1","4","3","1") = "5"
    & skf21("6","2","1","1","1","4","4","1") = "5"
    & skf21("6","2","1","1","1","4","5","1") = "5"
    & skf21("6","2","1","1","1","4","6","1") = "5"
    & skf21("6","2","1","1","1","4","7","1") = "6"
    & skf21("6","2","1","1","1","5","1","1") = "5"
    & skf21("6","2","1","1","1","5","2","1") = "5"
    & skf21("6","2","1","1","1","5","3","1") = "5"
    & skf21("6","2","1","1","1","5","4","1") = "5"
    & skf21("6","2","1","1","1","5","5","1") = "5"
    & skf21("6","2","1","1","1","5","6","1") = "5"
    & skf21("6","2","1","1","1","5","7","1") = "6"
    & skf21("6","2","1","1","1","6","1","1") = "5"
    & skf21("6","2","1","1","1","6","2","1") = "5"
    & skf21("6","2","1","1","1","6","3","1") = "5"
    & skf21("6","2","1","1","1","6","4","1") = "5"
    & skf21("6","2","1","1","1","6","5","1") = "5"
    & skf21("6","2","1","1","1","6","6","1") = "5"
    & skf21("6","2","1","1","1","6","7","1") = "6"
    & skf21("6","2","1","1","1","7","1","1") = "6"
    & skf21("6","2","1","1","1","7","2","1") = "6"
    & skf21("6","2","1","1","1","7","3","1") = "6"
    & skf21("6","2","1","1","1","7","4","1") = "6"
    & skf21("6","2","1","1","1","7","5","1") = "6"
    & skf21("6","2","1","1","1","7","6","1") = "6"
    & skf21("6","2","1","1","1","7","7","1") = "6"
    & skf21("6","2","1","1","2","1","1","1") = "5"
    & skf21("6","2","1","1","2","1","2","1") = "5"
    & skf21("6","2","1","1","2","1","3","1") = "5"
    & skf21("6","2","1","1","2","1","4","1") = "5"
    & skf21("6","2","1","1","2","1","5","1") = "5"
    & skf21("6","2","1","1","2","1","6","1") = "5"
    & skf21("6","2","1","1","2","1","7","1") = "6"
    & skf21("6","2","1","1","2","2","1","1") = "5"
    & skf21("6","2","1","1","2","2","2","1") = "5"
    & skf21("6","2","1","1","2","2","3","1") = "5"
    & skf21("6","2","1","1","2","2","4","1") = "5"
    & skf21("6","2","1","1","2","2","5","1") = "5"
    & skf21("6","2","1","1","2","2","6","1") = "5"
    & skf21("6","2","1","1","2","2","7","1") = "6"
    & skf21("6","2","1","1","2","3","1","1") = "5"
    & skf21("6","2","1","1","2","3","2","1") = "5"
    & skf21("6","2","1","1","2","3","3","1") = "5"
    & skf21("6","2","1","1","2","3","4","1") = "5"
    & skf21("6","2","1","1","2","3","5","1") = "5"
    & skf21("6","2","1","1","2","3","6","1") = "5"
    & skf21("6","2","1","1","2","3","7","1") = "6"
    & skf21("6","2","1","1","2","4","1","1") = "5"
    & skf21("6","2","1","1","2","4","2","1") = "5"
    & skf21("6","2","1","1","2","4","3","1") = "5"
    & skf21("6","2","1","1","2","4","4","1") = "5"
    & skf21("6","2","1","1","2","4","5","1") = "5"
    & skf21("6","2","1","1","2","4","6","1") = "5"
    & skf21("6","2","1","1","2","4","7","1") = "6"
    & skf21("6","2","1","1","2","5","1","1") = "5"
    & skf21("6","2","1","1","2","5","2","1") = "5"
    & skf21("6","2","1","1","2","5","3","1") = "5"
    & skf21("6","2","1","1","2","5","4","1") = "5"
    & skf21("6","2","1","1","2","5","5","1") = "5"
    & skf21("6","2","1","1","2","5","6","1") = "5"
    & skf21("6","2","1","1","2","5","7","1") = "6"
    & skf21("6","2","1","1","2","6","1","1") = "5"
    & skf21("6","2","1","1","2","6","2","1") = "5"
    & skf21("6","2","1","1","2","6","3","1") = "5"
    & skf21("6","2","1","1","2","6","4","1") = "5"
    & skf21("6","2","1","1","2","6","5","1") = "5"
    & skf21("6","2","1","1","2","6","6","1") = "5"
    & skf21("6","2","1","1","2","6","7","1") = "6"
    & skf21("6","2","1","1","2","7","1","1") = "6"
    & skf21("6","2","1","1","2","7","2","1") = "6"
    & skf21("6","2","1","1","2","7","3","1") = "6"
    & skf21("6","2","1","1","2","7","4","1") = "6"
    & skf21("6","2","1","1","2","7","5","1") = "6"
    & skf21("6","2","1","1","2","7","6","1") = "6"
    & skf21("6","2","1","1","2","7","7","1") = "6"
    & skf21("6","2","1","1","3","1","1","1") = "5"
    & skf21("6","2","1","1","3","1","2","1") = "5"
    & skf21("6","2","1","1","3","1","3","1") = "5"
    & skf21("6","2","1","1","3","1","4","1") = "5"
    & skf21("6","2","1","1","3","1","5","1") = "5"
    & skf21("6","2","1","1","3","1","6","1") = "5"
    & skf21("6","2","1","1","3","1","7","1") = "6"
    & skf21("6","2","1","1","3","2","1","1") = "5"
    & skf21("6","2","1","1","3","2","2","1") = "5"
    & skf21("6","2","1","1","3","2","3","1") = "5"
    & skf21("6","2","1","1","3","2","4","1") = "5"
    & skf21("6","2","1","1","3","2","5","1") = "5"
    & skf21("6","2","1","1","3","2","6","1") = "5"
    & skf21("6","2","1","1","3","2","7","1") = "6"
    & skf21("6","2","1","1","3","3","1","1") = "5"
    & skf21("6","2","1","1","3","3","2","1") = "5"
    & skf21("6","2","1","1","3","3","3","1") = "5"
    & skf21("6","2","1","1","3","3","4","1") = "5"
    & skf21("6","2","1","1","3","3","5","1") = "5"
    & skf21("6","2","1","1","3","3","6","1") = "5"
    & skf21("6","2","1","1","3","3","7","1") = "6"
    & skf21("6","2","1","1","3","4","1","1") = "5"
    & skf21("6","2","1","1","3","4","2","1") = "5"
    & skf21("6","2","1","1","3","4","3","1") = "5"
    & skf21("6","2","1","1","3","4","4","1") = "5"
    & skf21("6","2","1","1","3","4","5","1") = "5"
    & skf21("6","2","1","1","3","4","6","1") = "5"
    & skf21("6","2","1","1","3","4","7","1") = "6"
    & skf21("6","2","1","1","3","5","1","1") = "5"
    & skf21("6","2","1","1","3","5","2","1") = "5"
    & skf21("6","2","1","1","3","5","3","1") = "5"
    & skf21("6","2","1","1","3","5","4","1") = "5"
    & skf21("6","2","1","1","3","5","5","1") = "5"
    & skf21("6","2","1","1","3","5","6","1") = "5"
    & skf21("6","2","1","1","3","5","7","1") = "6"
    & skf21("6","2","1","1","3","6","1","1") = "5"
    & skf21("6","2","1","1","3","6","2","1") = "5"
    & skf21("6","2","1","1","3","6","3","1") = "5"
    & skf21("6","2","1","1","3","6","4","1") = "5"
    & skf21("6","2","1","1","3","6","5","1") = "5"
    & skf21("6","2","1","1","3","6","6","1") = "5"
    & skf21("6","2","1","1","3","6","7","1") = "6"
    & skf21("6","2","1","1","3","7","1","1") = "6"
    & skf21("6","2","1","1","3","7","2","1") = "6"
    & skf21("6","2","1","1","3","7","3","1") = "6"
    & skf21("6","2","1","1","3","7","4","1") = "6"
    & skf21("6","2","1","1","3","7","5","1") = "6"
    & skf21("6","2","1","1","3","7","6","1") = "6"
    & skf21("6","2","1","1","3","7","7","1") = "6"
    & skf21("6","2","1","1","4","1","1","1") = "5"
    & skf21("6","2","1","1","4","1","2","1") = "5"
    & skf21("6","2","1","1","4","1","3","1") = "5"
    & skf21("6","2","1","1","4","1","4","1") = "5"
    & skf21("6","2","1","1","4","1","5","1") = "5"
    & skf21("6","2","1","1","4","1","6","1") = "5"
    & skf21("6","2","1","1","4","1","7","1") = "6"
    & skf21("6","2","1","1","4","2","1","1") = "5"
    & skf21("6","2","1","1","4","2","2","1") = "5"
    & skf21("6","2","1","1","4","2","3","1") = "5"
    & skf21("6","2","1","1","4","2","4","1") = "5"
    & skf21("6","2","1","1","4","2","5","1") = "5"
    & skf21("6","2","1","1","4","2","6","1") = "5"
    & skf21("6","2","1","1","4","2","7","1") = "6"
    & skf21("6","2","1","1","4","3","1","1") = "5"
    & skf21("6","2","1","1","4","3","2","1") = "5"
    & skf21("6","2","1","1","4","3","3","1") = "5"
    & skf21("6","2","1","1","4","3","4","1") = "5"
    & skf21("6","2","1","1","4","3","5","1") = "5"
    & skf21("6","2","1","1","4","3","6","1") = "5"
    & skf21("6","2","1","1","4","3","7","1") = "6"
    & skf21("6","2","1","1","4","4","1","1") = "5"
    & skf21("6","2","1","1","4","4","2","1") = "5"
    & skf21("6","2","1","1","4","4","3","1") = "5"
    & skf21("6","2","1","1","4","4","4","1") = "5"
    & skf21("6","2","1","1","4","4","5","1") = "5"
    & skf21("6","2","1","1","4","4","6","1") = "5"
    & skf21("6","2","1","1","4","4","7","1") = "6"
    & skf21("6","2","1","1","4","5","1","1") = "5"
    & skf21("6","2","1","1","4","5","2","1") = "5"
    & skf21("6","2","1","1","4","5","3","1") = "5"
    & skf21("6","2","1","1","4","5","4","1") = "5"
    & skf21("6","2","1","1","4","5","5","1") = "5"
    & skf21("6","2","1","1","4","5","6","1") = "5"
    & skf21("6","2","1","1","4","5","7","1") = "6"
    & skf21("6","2","1","1","4","6","1","1") = "5"
    & skf21("6","2","1","1","4","6","2","1") = "5"
    & skf21("6","2","1","1","4","6","3","1") = "5"
    & skf21("6","2","1","1","4","6","4","1") = "5"
    & skf21("6","2","1","1","4","6","5","1") = "5"
    & skf21("6","2","1","1","4","6","6","1") = "5"
    & skf21("6","2","1","1","4","6","7","1") = "6"
    & skf21("6","2","1","1","4","7","1","1") = "6"
    & skf21("6","2","1","1","4","7","2","1") = "6"
    & skf21("6","2","1","1","4","7","3","1") = "6"
    & skf21("6","2","1","1","4","7","4","1") = "6"
    & skf21("6","2","1","1","4","7","5","1") = "6"
    & skf21("6","2","1","1","4","7","6","1") = "6"
    & skf21("6","2","1","1","4","7","7","1") = "6"
    & skf21("6","2","1","1","5","1","1","1") = "5"
    & skf21("6","2","1","1","5","1","2","1") = "5"
    & skf21("6","2","1","1","5","1","3","1") = "5"
    & skf21("6","2","1","1","5","1","4","1") = "5"
    & skf21("6","2","1","1","5","1","5","1") = "5"
    & skf21("6","2","1","1","5","1","6","1") = "5"
    & skf21("6","2","1","1","5","1","7","1") = "6"
    & skf21("6","2","1","1","5","2","1","1") = "5"
    & skf21("6","2","1","1","5","2","2","1") = "5"
    & skf21("6","2","1","1","5","2","3","1") = "5"
    & skf21("6","2","1","1","5","2","4","1") = "5"
    & skf21("6","2","1","1","5","2","5","1") = "5"
    & skf21("6","2","1","1","5","2","6","1") = "5"
    & skf21("6","2","1","1","5","2","7","1") = "6"
    & skf21("6","2","1","1","5","3","1","1") = "5"
    & skf21("6","2","1","1","5","3","2","1") = "5"
    & skf21("6","2","1","1","5","3","3","1") = "5"
    & skf21("6","2","1","1","5","3","4","1") = "5"
    & skf21("6","2","1","1","5","3","5","1") = "5"
    & skf21("6","2","1","1","5","3","6","1") = "5"
    & skf21("6","2","1","1","5","3","7","1") = "6"
    & skf21("6","2","1","1","5","4","1","1") = "5"
    & skf21("6","2","1","1","5","4","2","1") = "5"
    & skf21("6","2","1","1","5","4","3","1") = "5"
    & skf21("6","2","1","1","5","4","4","1") = "5"
    & skf21("6","2","1","1","5","4","5","1") = "5"
    & skf21("6","2","1","1","5","4","6","1") = "5"
    & skf21("6","2","1","1","5","4","7","1") = "6"
    & skf21("6","2","1","1","5","5","1","1") = "5"
    & skf21("6","2","1","1","5","5","2","1") = "5"
    & skf21("6","2","1","1","5","5","3","1") = "5"
    & skf21("6","2","1","1","5","5","4","1") = "5"
    & skf21("6","2","1","1","5","5","5","1") = "5"
    & skf21("6","2","1","1","5","5","6","1") = "5"
    & skf21("6","2","1","1","5","5","7","1") = "6"
    & skf21("6","2","1","1","5","6","1","1") = "5"
    & skf21("6","2","1","1","5","6","2","1") = "5"
    & skf21("6","2","1","1","5","6","3","1") = "5"
    & skf21("6","2","1","1","5","6","4","1") = "5"
    & skf21("6","2","1","1","5","6","5","1") = "5"
    & skf21("6","2","1","1","5","6","6","1") = "5"
    & skf21("6","2","1","1","5","6","7","1") = "6"
    & skf21("6","2","1","1","5","7","1","1") = "6"
    & skf21("6","2","1","1","5","7","2","1") = "6"
    & skf21("6","2","1","1","5","7","3","1") = "6"
    & skf21("6","2","1","1","5","7","4","1") = "6"
    & skf21("6","2","1","1","5","7","5","1") = "6"
    & skf21("6","2","1","1","5","7","6","1") = "6"
    & skf21("6","2","1","1","5","7","7","1") = "6"
    & skf21("6","2","1","1","6","1","1","1") = "5"
    & skf21("6","2","1","1","6","1","2","1") = "5"
    & skf21("6","2","1","1","6","1","3","1") = "5"
    & skf21("6","2","1","1","6","1","4","1") = "5"
    & skf21("6","2","1","1","6","1","5","1") = "5"
    & skf21("6","2","1","1","6","1","6","1") = "5"
    & skf21("6","2","1","1","6","1","7","1") = "6"
    & skf21("6","2","1","1","6","2","1","1") = "5"
    & skf21("6","2","1","1","6","2","2","1") = "5"
    & skf21("6","2","1","1","6","2","3","1") = "5"
    & skf21("6","2","1","1","6","2","4","1") = "5"
    & skf21("6","2","1","1","6","2","5","1") = "5"
    & skf21("6","2","1","1","6","2","6","1") = "5"
    & skf21("6","2","1","1","6","2","7","1") = "6"
    & skf21("6","2","1","1","6","3","1","1") = "5"
    & skf21("6","2","1","1","6","3","2","1") = "5"
    & skf21("6","2","1","1","6","3","3","1") = "5"
    & skf21("6","2","1","1","6","3","4","1") = "5"
    & skf21("6","2","1","1","6","3","5","1") = "5"
    & skf21("6","2","1","1","6","3","6","1") = "5"
    & skf21("6","2","1","1","6","3","7","1") = "6"
    & skf21("6","2","1","1","6","4","1","1") = "5"
    & skf21("6","2","1","1","6","4","2","1") = "5"
    & skf21("6","2","1","1","6","4","3","1") = "5"
    & skf21("6","2","1","1","6","4","4","1") = "5"
    & skf21("6","2","1","1","6","4","5","1") = "5"
    & skf21("6","2","1","1","6","4","6","1") = "5"
    & skf21("6","2","1","1","6","4","7","1") = "6"
    & skf21("6","2","1","1","6","5","1","1") = "5"
    & skf21("6","2","1","1","6","5","2","1") = "5"
    & skf21("6","2","1","1","6","5","3","1") = "5"
    & skf21("6","2","1","1","6","5","4","1") = "5"
    & skf21("6","2","1","1","6","5","5","1") = "5"
    & skf21("6","2","1","1","6","5","6","1") = "5"
    & skf21("6","2","1","1","6","5","7","1") = "6"
    & skf21("6","2","1","1","6","6","1","1") = "5"
    & skf21("6","2","1","1","6","6","2","1") = "5"
    & skf21("6","2","1","1","6","6","3","1") = "5"
    & skf21("6","2","1","1","6","6","4","1") = "5"
    & skf21("6","2","1","1","6","6","5","1") = "5"
    & skf21("6","2","1","1","6","6","6","1") = "5"
    & skf21("6","2","1","1","6","6","7","1") = "6"
    & skf21("6","2","1","1","6","7","1","1") = "6"
    & skf21("6","2","1","1","6","7","2","1") = "6"
    & skf21("6","2","1","1","6","7","3","1") = "6"
    & skf21("6","2","1","1","6","7","4","1") = "6"
    & skf21("6","2","1","1","6","7","5","1") = "6"
    & skf21("6","2","1","1","6","7","6","1") = "6"
    & skf21("6","2","1","1","6","7","7","1") = "6"
    & skf21("6","2","1","1","7","1","1","1") = "6"
    & skf21("6","2","1","1","7","1","2","1") = "6"
    & skf21("6","2","1","1","7","1","3","1") = "6"
    & skf21("6","2","1","1","7","1","4","1") = "6"
    & skf21("6","2","1","1","7","1","5","1") = "6"
    & skf21("6","2","1","1","7","1","6","1") = "6"
    & skf21("6","2","1","1","7","1","7","1") = "6"
    & skf21("6","2","1","1","7","2","1","1") = "6"
    & skf21("6","2","1","1","7","2","2","1") = "6"
    & skf21("6","2","1","1","7","2","3","1") = "6"
    & skf21("6","2","1","1","7","2","4","1") = "6"
    & skf21("6","2","1","1","7","2","5","1") = "6"
    & skf21("6","2","1","1","7","2","6","1") = "6"
    & skf21("6","2","1","1","7","2","7","1") = "6"
    & skf21("6","2","1","1","7","3","1","1") = "6"
    & skf21("6","2","1","1","7","3","2","1") = "6"
    & skf21("6","2","1","1","7","3","3","1") = "6"
    & skf21("6","2","1","1","7","3","4","1") = "6"
    & skf21("6","2","1","1","7","3","5","1") = "6"
    & skf21("6","2","1","1","7","3","6","1") = "6"
    & skf21("6","2","1","1","7","3","7","1") = "6"
    & skf21("6","2","1","1","7","4","1","1") = "6"
    & skf21("6","2","1","1","7","4","2","1") = "6"
    & skf21("6","2","1","1","7","4","3","1") = "6"
    & skf21("6","2","1","1","7","4","4","1") = "6"
    & skf21("6","2","1","1","7","4","5","1") = "6"
    & skf21("6","2","1","1","7","4","6","1") = "6"
    & skf21("6","2","1","1","7","4","7","1") = "6"
    & skf21("6","2","1","1","7","5","1","1") = "6"
    & skf21("6","2","1","1","7","5","2","1") = "6"
    & skf21("6","2","1","1","7","5","3","1") = "6"
    & skf21("6","2","1","1","7","5","4","1") = "6"
    & skf21("6","2","1","1","7","5","5","1") = "6"
    & skf21("6","2","1","1","7","5","6","1") = "6"
    & skf21("6","2","1","1","7","5","7","1") = "6"
    & skf21("6","2","1","1","7","6","1","1") = "6"
    & skf21("6","2","1","1","7","6","2","1") = "6"
    & skf21("6","2","1","1","7","6","3","1") = "6"
    & skf21("6","2","1","1","7","6","4","1") = "6"
    & skf21("6","2","1","1","7","6","5","1") = "6"
    & skf21("6","2","1","1","7","6","6","1") = "6"
    & skf21("6","2","1","1","7","6","7","1") = "6"
    & skf21("6","2","1","1","7","7","1","1") = "6"
    & skf21("6","2","1","1","7","7","2","1") = "6"
    & skf21("6","2","1","1","7","7","3","1") = "6"
    & skf21("6","2","1","1","7","7","4","1") = "6"
    & skf21("6","2","1","1","7","7","5","1") = "6"
    & skf21("6","2","1","1","7","7","6","1") = "6"
    & skf21("6","2","1","1","7","7","7","1") = "6"
    & skf21("6","2","1","2","1","1","1","1") = "5"
    & skf21("6","2","1","2","1","1","2","1") = "5"
    & skf21("6","2","1","2","1","1","3","1") = "5"
    & skf21("6","2","1","2","1","1","4","1") = "5"
    & skf21("6","2","1","2","1","1","5","1") = "5"
    & skf21("6","2","1","2","1","1","6","1") = "5"
    & skf21("6","2","1","2","1","1","7","1") = "6"
    & skf21("6","2","1","2","1","2","1","1") = "5"
    & skf21("6","2","1","2","1","2","2","1") = "5"
    & skf21("6","2","1","2","1","2","3","1") = "5"
    & skf21("6","2","1","2","1","2","4","1") = "5"
    & skf21("6","2","1","2","1","2","5","1") = "5"
    & skf21("6","2","1","2","1","2","6","1") = "5"
    & skf21("6","2","1","2","1","2","7","1") = "6"
    & skf21("6","2","1","2","1","3","1","1") = "5"
    & skf21("6","2","1","2","1","3","2","1") = "5"
    & skf21("6","2","1","2","1","3","3","1") = "5"
    & skf21("6","2","1","2","1","3","4","1") = "5"
    & skf21("6","2","1","2","1","3","5","1") = "5"
    & skf21("6","2","1","2","1","3","6","1") = "5"
    & skf21("6","2","1","2","1","3","7","1") = "6"
    & skf21("6","2","1","2","1","4","1","1") = "5"
    & skf21("6","2","1","2","1","4","2","1") = "5"
    & skf21("6","2","1","2","1","4","3","1") = "5"
    & skf21("6","2","1","2","1","4","4","1") = "5"
    & skf21("6","2","1","2","1","4","5","1") = "5"
    & skf21("6","2","1","2","1","4","6","1") = "5"
    & skf21("6","2","1","2","1","4","7","1") = "6"
    & skf21("6","2","1","2","1","5","1","1") = "5"
    & skf21("6","2","1","2","1","5","2","1") = "5"
    & skf21("6","2","1","2","1","5","3","1") = "5"
    & skf21("6","2","1","2","1","5","4","1") = "5"
    & skf21("6","2","1","2","1","5","5","1") = "5"
    & skf21("6","2","1","2","1","5","6","1") = "5"
    & skf21("6","2","1","2","1","5","7","1") = "6"
    & skf21("6","2","1","2","1","6","1","1") = "5"
    & skf21("6","2","1","2","1","6","2","1") = "5"
    & skf21("6","2","1","2","1","6","3","1") = "5"
    & skf21("6","2","1","2","1","6","4","1") = "5"
    & skf21("6","2","1","2","1","6","5","1") = "5"
    & skf21("6","2","1","2","1","6","6","1") = "5"
    & skf21("6","2","1","2","1","6","7","1") = "6"
    & skf21("6","2","1","2","1","7","1","1") = "6"
    & skf21("6","2","1","2","1","7","2","1") = "6"
    & skf21("6","2","1","2","1","7","3","1") = "6"
    & skf21("6","2","1","2","1","7","4","1") = "6"
    & skf21("6","2","1","2","1","7","5","1") = "6"
    & skf21("6","2","1","2","1","7","6","1") = "6"
    & skf21("6","2","1","2","1","7","7","1") = "6"
    & skf21("6","2","1","2","2","1","1","1") = "5"
    & skf21("6","2","1","2","2","1","2","1") = "5"
    & skf21("6","2","1","2","2","1","3","1") = "5"
    & skf21("6","2","1","2","2","1","4","1") = "5"
    & skf21("6","2","1","2","2","1","5","1") = "5"
    & skf21("6","2","1","2","2","1","6","1") = "5"
    & skf21("6","2","1","2","2","1","7","1") = "6"
    & skf21("6","2","1","2","2","2","1","1") = "5"
    & skf21("6","2","1","2","2","2","2","1") = "5"
    & skf21("6","2","1","2","2","2","3","1") = "5"
    & skf21("6","2","1","2","2","2","4","1") = "5"
    & skf21("6","2","1","2","2","2","5","1") = "5"
    & skf21("6","2","1","2","2","2","6","1") = "5"
    & skf21("6","2","1","2","2","2","7","1") = "6"
    & skf21("6","2","1","2","2","3","1","1") = "5"
    & skf21("6","2","1","2","2","3","2","1") = "5"
    & skf21("6","2","1","2","2","3","3","1") = "5"
    & skf21("6","2","1","2","2","3","4","1") = "5"
    & skf21("6","2","1","2","2","3","5","1") = "5"
    & skf21("6","2","1","2","2","3","6","1") = "5"
    & skf21("6","2","1","2","2","3","7","1") = "6"
    & skf21("6","2","1","2","2","4","1","1") = "5"
    & skf21("6","2","1","2","2","4","2","1") = "5"
    & skf21("6","2","1","2","2","4","3","1") = "5"
    & skf21("6","2","1","2","2","4","4","1") = "5"
    & skf21("6","2","1","2","2","4","5","1") = "5"
    & skf21("6","2","1","2","2","4","6","1") = "5"
    & skf21("6","2","1","2","2","4","7","1") = "6"
    & skf21("6","2","1","2","2","5","1","1") = "5"
    & skf21("6","2","1","2","2","5","2","1") = "5"
    & skf21("6","2","1","2","2","5","3","1") = "5"
    & skf21("6","2","1","2","2","5","4","1") = "5"
    & skf21("6","2","1","2","2","5","5","1") = "5"
    & skf21("6","2","1","2","2","5","6","1") = "5"
    & skf21("6","2","1","2","2","5","7","1") = "6"
    & skf21("6","2","1","2","2","6","1","1") = "5"
    & skf21("6","2","1","2","2","6","2","1") = "5"
    & skf21("6","2","1","2","2","6","3","1") = "5"
    & skf21("6","2","1","2","2","6","4","1") = "5"
    & skf21("6","2","1","2","2","6","5","1") = "5"
    & skf21("6","2","1","2","2","6","6","1") = "5"
    & skf21("6","2","1","2","2","6","7","1") = "6"
    & skf21("6","2","1","2","2","7","1","1") = "6"
    & skf21("6","2","1","2","2","7","2","1") = "6"
    & skf21("6","2","1","2","2","7","3","1") = "6"
    & skf21("6","2","1","2","2","7","4","1") = "6"
    & skf21("6","2","1","2","2","7","5","1") = "6"
    & skf21("6","2","1","2","2","7","6","1") = "6"
    & skf21("6","2","1","2","2","7","7","1") = "6"
    & skf21("6","2","1","2","3","1","1","1") = "5"
    & skf21("6","2","1","2","3","1","2","1") = "5"
    & skf21("6","2","1","2","3","1","3","1") = "5"
    & skf21("6","2","1","2","3","1","4","1") = "5"
    & skf21("6","2","1","2","3","1","5","1") = "5"
    & skf21("6","2","1","2","3","1","6","1") = "5"
    & skf21("6","2","1","2","3","1","7","1") = "6"
    & skf21("6","2","1","2","3","2","1","1") = "5"
    & skf21("6","2","1","2","3","2","2","1") = "5"
    & skf21("6","2","1","2","3","2","3","1") = "5"
    & skf21("6","2","1","2","3","2","4","1") = "5"
    & skf21("6","2","1","2","3","2","5","1") = "5"
    & skf21("6","2","1","2","3","2","6","1") = "5"
    & skf21("6","2","1","2","3","2","7","1") = "6"
    & skf21("6","2","1","2","3","3","1","1") = "5"
    & skf21("6","2","1","2","3","3","2","1") = "5"
    & skf21("6","2","1","2","3","3","3","1") = "5"
    & skf21("6","2","1","2","3","3","4","1") = "5"
    & skf21("6","2","1","2","3","3","5","1") = "5"
    & skf21("6","2","1","2","3","3","6","1") = "5"
    & skf21("6","2","1","2","3","3","7","1") = "6"
    & skf21("6","2","1","2","3","4","1","1") = "5"
    & skf21("6","2","1","2","3","4","2","1") = "5"
    & skf21("6","2","1","2","3","4","3","1") = "5"
    & skf21("6","2","1","2","3","4","4","1") = "5"
    & skf21("6","2","1","2","3","4","5","1") = "5"
    & skf21("6","2","1","2","3","4","6","1") = "5"
    & skf21("6","2","1","2","3","4","7","1") = "6"
    & skf21("6","2","1","2","3","5","1","1") = "5"
    & skf21("6","2","1","2","3","5","2","1") = "5"
    & skf21("6","2","1","2","3","5","3","1") = "5"
    & skf21("6","2","1","2","3","5","4","1") = "5"
    & skf21("6","2","1","2","3","5","5","1") = "5"
    & skf21("6","2","1","2","3","5","6","1") = "5"
    & skf21("6","2","1","2","3","5","7","1") = "6"
    & skf21("6","2","1","2","3","6","1","1") = "5"
    & skf21("6","2","1","2","3","6","2","1") = "5"
    & skf21("6","2","1","2","3","6","3","1") = "5"
    & skf21("6","2","1","2","3","6","4","1") = "5"
    & skf21("6","2","1","2","3","6","5","1") = "5"
    & skf21("6","2","1","2","3","6","6","1") = "5"
    & skf21("6","2","1","2","3","6","7","1") = "6"
    & skf21("6","2","1","2","3","7","1","1") = "6"
    & skf21("6","2","1","2","3","7","2","1") = "6"
    & skf21("6","2","1","2","3","7","3","1") = "6"
    & skf21("6","2","1","2","3","7","4","1") = "6"
    & skf21("6","2","1","2","3","7","5","1") = "6"
    & skf21("6","2","1","2","3","7","6","1") = "6"
    & skf21("6","2","1","2","3","7","7","1") = "6"
    & skf21("6","2","1","2","4","1","1","1") = "5"
    & skf21("6","2","1","2","4","1","2","1") = "5"
    & skf21("6","2","1","2","4","1","3","1") = "5"
    & skf21("6","2","1","2","4","1","4","1") = "5"
    & skf21("6","2","1","2","4","1","5","1") = "5"
    & skf21("6","2","1","2","4","1","6","1") = "5"
    & skf21("6","2","1","2","4","1","7","1") = "6"
    & skf21("6","2","1","2","4","2","1","1") = "5"
    & skf21("6","2","1","2","4","2","2","1") = "5"
    & skf21("6","2","1","2","4","2","3","1") = "5"
    & skf21("6","2","1","2","4","2","4","1") = "5"
    & skf21("6","2","1","2","4","2","5","1") = "5"
    & skf21("6","2","1","2","4","2","6","1") = "5"
    & skf21("6","2","1","2","4","2","7","1") = "6"
    & skf21("6","2","1","2","4","3","1","1") = "5"
    & skf21("6","2","1","2","4","3","2","1") = "5"
    & skf21("6","2","1","2","4","3","3","1") = "5"
    & skf21("6","2","1","2","4","3","4","1") = "5"
    & skf21("6","2","1","2","4","3","5","1") = "5"
    & skf21("6","2","1","2","4","3","6","1") = "5"
    & skf21("6","2","1","2","4","3","7","1") = "6"
    & skf21("6","2","1","2","4","4","1","1") = "5"
    & skf21("6","2","1","2","4","4","2","1") = "5"
    & skf21("6","2","1","2","4","4","3","1") = "5"
    & skf21("6","2","1","2","4","4","4","1") = "5"
    & skf21("6","2","1","2","4","4","5","1") = "5"
    & skf21("6","2","1","2","4","4","6","1") = "5"
    & skf21("6","2","1","2","4","4","7","1") = "6"
    & skf21("6","2","1","2","4","5","1","1") = "5"
    & skf21("6","2","1","2","4","5","2","1") = "5"
    & skf21("6","2","1","2","4","5","3","1") = "5"
    & skf21("6","2","1","2","4","5","4","1") = "5"
    & skf21("6","2","1","2","4","5","5","1") = "5"
    & skf21("6","2","1","2","4","5","6","1") = "5"
    & skf21("6","2","1","2","4","5","7","1") = "6"
    & skf21("6","2","1","2","4","6","1","1") = "5"
    & skf21("6","2","1","2","4","6","2","1") = "5"
    & skf21("6","2","1","2","4","6","3","1") = "5"
    & skf21("6","2","1","2","4","6","4","1") = "5"
    & skf21("6","2","1","2","4","6","5","1") = "5"
    & skf21("6","2","1","2","4","6","6","1") = "5"
    & skf21("6","2","1","2","4","6","7","1") = "6"
    & skf21("6","2","1","2","4","7","1","1") = "6"
    & skf21("6","2","1","2","4","7","2","1") = "6"
    & skf21("6","2","1","2","4","7","3","1") = "6"
    & skf21("6","2","1","2","4","7","4","1") = "6"
    & skf21("6","2","1","2","4","7","5","1") = "6"
    & skf21("6","2","1","2","4","7","6","1") = "6"
    & skf21("6","2","1","2","4","7","7","1") = "6"
    & skf21("6","2","1","2","5","1","1","1") = "5"
    & skf21("6","2","1","2","5","1","2","1") = "5"
    & skf21("6","2","1","2","5","1","3","1") = "5"
    & skf21("6","2","1","2","5","1","4","1") = "5"
    & skf21("6","2","1","2","5","1","5","1") = "5"
    & skf21("6","2","1","2","5","1","6","1") = "5"
    & skf21("6","2","1","2","5","1","7","1") = "6"
    & skf21("6","2","1","2","5","2","1","1") = "5"
    & skf21("6","2","1","2","5","2","2","1") = "5"
    & skf21("6","2","1","2","5","2","3","1") = "5"
    & skf21("6","2","1","2","5","2","4","1") = "5"
    & skf21("6","2","1","2","5","2","5","1") = "5"
    & skf21("6","2","1","2","5","2","6","1") = "5"
    & skf21("6","2","1","2","5","2","7","1") = "6"
    & skf21("6","2","1","2","5","3","1","1") = "5"
    & skf21("6","2","1","2","5","3","2","1") = "5"
    & skf21("6","2","1","2","5","3","3","1") = "5"
    & skf21("6","2","1","2","5","3","4","1") = "5"
    & skf21("6","2","1","2","5","3","5","1") = "5"
    & skf21("6","2","1","2","5","3","6","1") = "5"
    & skf21("6","2","1","2","5","3","7","1") = "6"
    & skf21("6","2","1","2","5","4","1","1") = "5"
    & skf21("6","2","1","2","5","4","2","1") = "5"
    & skf21("6","2","1","2","5","4","3","1") = "5"
    & skf21("6","2","1","2","5","4","4","1") = "5"
    & skf21("6","2","1","2","5","4","5","1") = "5"
    & skf21("6","2","1","2","5","4","6","1") = "5"
    & skf21("6","2","1","2","5","4","7","1") = "6"
    & skf21("6","2","1","2","5","5","1","1") = "5"
    & skf21("6","2","1","2","5","5","2","1") = "5"
    & skf21("6","2","1","2","5","5","3","1") = "5"
    & skf21("6","2","1","2","5","5","4","1") = "5"
    & skf21("6","2","1","2","5","5","5","1") = "5"
    & skf21("6","2","1","2","5","5","6","1") = "5"
    & skf21("6","2","1","2","5","5","7","1") = "6"
    & skf21("6","2","1","2","5","6","1","1") = "5"
    & skf21("6","2","1","2","5","6","2","1") = "5"
    & skf21("6","2","1","2","5","6","3","1") = "5"
    & skf21("6","2","1","2","5","6","4","1") = "5"
    & skf21("6","2","1","2","5","6","5","1") = "5"
    & skf21("6","2","1","2","5","6","6","1") = "5"
    & skf21("6","2","1","2","5","6","7","1") = "6"
    & skf21("6","2","1","2","5","7","1","1") = "6"
    & skf21("6","2","1","2","5","7","2","1") = "6"
    & skf21("6","2","1","2","5","7","3","1") = "6"
    & skf21("6","2","1","2","5","7","4","1") = "6"
    & skf21("6","2","1","2","5","7","5","1") = "6"
    & skf21("6","2","1","2","5","7","6","1") = "6"
    & skf21("6","2","1","2","5","7","7","1") = "6"
    & skf21("6","2","1","2","6","1","1","1") = "5"
    & skf21("6","2","1","2","6","1","2","1") = "5"
    & skf21("6","2","1","2","6","1","3","1") = "5"
    & skf21("6","2","1","2","6","1","4","1") = "5"
    & skf21("6","2","1","2","6","1","5","1") = "5"
    & skf21("6","2","1","2","6","1","6","1") = "5"
    & skf21("6","2","1","2","6","1","7","1") = "6"
    & skf21("6","2","1","2","6","2","1","1") = "5"
    & skf21("6","2","1","2","6","2","2","1") = "5"
    & skf21("6","2","1","2","6","2","3","1") = "5"
    & skf21("6","2","1","2","6","2","4","1") = "5"
    & skf21("6","2","1","2","6","2","5","1") = "5"
    & skf21("6","2","1","2","6","2","6","1") = "5"
    & skf21("6","2","1","2","6","2","7","1") = "6"
    & skf21("6","2","1","2","6","3","1","1") = "5"
    & skf21("6","2","1","2","6","3","2","1") = "5"
    & skf21("6","2","1","2","6","3","3","1") = "5"
    & skf21("6","2","1","2","6","3","4","1") = "5"
    & skf21("6","2","1","2","6","3","5","1") = "5"
    & skf21("6","2","1","2","6","3","6","1") = "5"
    & skf21("6","2","1","2","6","3","7","1") = "6"
    & skf21("6","2","1","2","6","4","1","1") = "5"
    & skf21("6","2","1","2","6","4","2","1") = "5"
    & skf21("6","2","1","2","6","4","3","1") = "5"
    & skf21("6","2","1","2","6","4","4","1") = "5"
    & skf21("6","2","1","2","6","4","5","1") = "5"
    & skf21("6","2","1","2","6","4","6","1") = "5"
    & skf21("6","2","1","2","6","4","7","1") = "6"
    & skf21("6","2","1","2","6","5","1","1") = "5"
    & skf21("6","2","1","2","6","5","2","1") = "5"
    & skf21("6","2","1","2","6","5","3","1") = "5"
    & skf21("6","2","1","2","6","5","4","1") = "5"
    & skf21("6","2","1","2","6","5","5","1") = "5"
    & skf21("6","2","1","2","6","5","6","1") = "5"
    & skf21("6","2","1","2","6","5","7","1") = "6"
    & skf21("6","2","1","2","6","6","1","1") = "5"
    & skf21("6","2","1","2","6","6","2","1") = "5"
    & skf21("6","2","1","2","6","6","3","1") = "5"
    & skf21("6","2","1","2","6","6","4","1") = "5"
    & skf21("6","2","1","2","6","6","5","1") = "5"
    & skf21("6","2","1","2","6","6","6","1") = "5"
    & skf21("6","2","1","2","6","6","7","1") = "6"
    & skf21("6","2","1","2","6","7","1","1") = "6"
    & skf21("6","2","1","2","6","7","2","1") = "6"
    & skf21("6","2","1","2","6","7","3","1") = "6"
    & skf21("6","2","1","2","6","7","4","1") = "6"
    & skf21("6","2","1","2","6","7","5","1") = "6"
    & skf21("6","2","1","2","6","7","6","1") = "6"
    & skf21("6","2","1","2","6","7","7","1") = "6"
    & skf21("6","2","1","2","7","1","1","1") = "6"
    & skf21("6","2","1","2","7","1","2","1") = "6"
    & skf21("6","2","1","2","7","1","3","1") = "6"
    & skf21("6","2","1","2","7","1","4","1") = "6"
    & skf21("6","2","1","2","7","1","5","1") = "6"
    & skf21("6","2","1","2","7","1","6","1") = "6"
    & skf21("6","2","1","2","7","1","7","1") = "6"
    & skf21("6","2","1","2","7","2","1","1") = "6"
    & skf21("6","2","1","2","7","2","2","1") = "6"
    & skf21("6","2","1","2","7","2","3","1") = "6"
    & skf21("6","2","1","2","7","2","4","1") = "6"
    & skf21("6","2","1","2","7","2","5","1") = "6"
    & skf21("6","2","1","2","7","2","6","1") = "6"
    & skf21("6","2","1","2","7","2","7","1") = "6"
    & skf21("6","2","1","2","7","3","1","1") = "6"
    & skf21("6","2","1","2","7","3","2","1") = "6"
    & skf21("6","2","1","2","7","3","3","1") = "6"
    & skf21("6","2","1","2","7","3","4","1") = "6"
    & skf21("6","2","1","2","7","3","5","1") = "6"
    & skf21("6","2","1","2","7","3","6","1") = "6"
    & skf21("6","2","1","2","7","3","7","1") = "6"
    & skf21("6","2","1","2","7","4","1","1") = "6"
    & skf21("6","2","1","2","7","4","2","1") = "6"
    & skf21("6","2","1","2","7","4","3","1") = "6"
    & skf21("6","2","1","2","7","4","4","1") = "6"
    & skf21("6","2","1","2","7","4","5","1") = "6"
    & skf21("6","2","1","2","7","4","6","1") = "6"
    & skf21("6","2","1","2","7","4","7","1") = "6"
    & skf21("6","2","1","2","7","5","1","1") = "6"
    & skf21("6","2","1","2","7","5","2","1") = "6"
    & skf21("6","2","1","2","7","5","3","1") = "6"
    & skf21("6","2","1","2","7","5","4","1") = "6"
    & skf21("6","2","1","2","7","5","5","1") = "6"
    & skf21("6","2","1","2","7","5","6","1") = "6"
    & skf21("6","2","1","2","7","5","7","1") = "6"
    & skf21("6","2","1","2","7","6","1","1") = "6"
    & skf21("6","2","1","2","7","6","2","1") = "6"
    & skf21("6","2","1","2","7","6","3","1") = "6"
    & skf21("6","2","1","2","7","6","4","1") = "6"
    & skf21("6","2","1","2","7","6","5","1") = "6"
    & skf21("6","2","1","2","7","6","6","1") = "6"
    & skf21("6","2","1","2","7","6","7","1") = "6"
    & skf21("6","2","1","2","7","7","1","1") = "6"
    & skf21("6","2","1","2","7","7","2","1") = "6"
    & skf21("6","2","1","2","7","7","3","1") = "6"
    & skf21("6","2","1","2","7","7","4","1") = "6"
    & skf21("6","2","1","2","7","7","5","1") = "6"
    & skf21("6","2","1","2","7","7","6","1") = "6"
    & skf21("6","2","1","2","7","7","7","1") = "6"
    & skf21("6","2","1","3","1","1","1","1") = "5"
    & skf21("6","2","1","3","1","1","2","1") = "5"
    & skf21("6","2","1","3","1","1","3","1") = "5"
    & skf21("6","2","1","3","1","1","4","1") = "5"
    & skf21("6","2","1","3","1","1","5","1") = "5"
    & skf21("6","2","1","3","1","1","6","1") = "5"
    & skf21("6","2","1","3","1","1","7","1") = "6"
    & skf21("6","2","1","3","1","2","1","1") = "5"
    & skf21("6","2","1","3","1","2","2","1") = "5"
    & skf21("6","2","1","3","1","2","3","1") = "5"
    & skf21("6","2","1","3","1","2","4","1") = "5"
    & skf21("6","2","1","3","1","2","5","1") = "5"
    & skf21("6","2","1","3","1","2","6","1") = "5"
    & skf21("6","2","1","3","1","2","7","1") = "6"
    & skf21("6","2","1","3","1","3","1","1") = "5"
    & skf21("6","2","1","3","1","3","2","1") = "5"
    & skf21("6","2","1","3","1","3","3","1") = "5"
    & skf21("6","2","1","3","1","3","4","1") = "5"
    & skf21("6","2","1","3","1","3","5","1") = "5"
    & skf21("6","2","1","3","1","3","6","1") = "5"
    & skf21("6","2","1","3","1","3","7","1") = "6"
    & skf21("6","2","1","3","1","4","1","1") = "5"
    & skf21("6","2","1","3","1","4","2","1") = "5"
    & skf21("6","2","1","3","1","4","3","1") = "5"
    & skf21("6","2","1","3","1","4","4","1") = "5"
    & skf21("6","2","1","3","1","4","5","1") = "5"
    & skf21("6","2","1","3","1","4","6","1") = "5"
    & skf21("6","2","1","3","1","4","7","1") = "6"
    & skf21("6","2","1","3","1","5","1","1") = "5"
    & skf21("6","2","1","3","1","5","2","1") = "5"
    & skf21("6","2","1","3","1","5","3","1") = "5"
    & skf21("6","2","1","3","1","5","4","1") = "5"
    & skf21("6","2","1","3","1","5","5","1") = "5"
    & skf21("6","2","1","3","1","5","6","1") = "5"
    & skf21("6","2","1","3","1","5","7","1") = "6"
    & skf21("6","2","1","3","1","6","1","1") = "5"
    & skf21("6","2","1","3","1","6","2","1") = "5"
    & skf21("6","2","1","3","1","6","3","1") = "5"
    & skf21("6","2","1","3","1","6","4","1") = "5"
    & skf21("6","2","1","3","1","6","5","1") = "5"
    & skf21("6","2","1","3","1","6","6","1") = "5"
    & skf21("6","2","1","3","1","6","7","1") = "6"
    & skf21("6","2","1","3","1","7","1","1") = "6"
    & skf21("6","2","1","3","1","7","2","1") = "6"
    & skf21("6","2","1","3","1","7","3","1") = "6"
    & skf21("6","2","1","3","1","7","4","1") = "6"
    & skf21("6","2","1","3","1","7","5","1") = "6"
    & skf21("6","2","1","3","1","7","6","1") = "6"
    & skf21("6","2","1","3","1","7","7","1") = "6"
    & skf21("6","2","1","3","2","1","1","1") = "5"
    & skf21("6","2","1","3","2","1","2","1") = "5"
    & skf21("6","2","1","3","2","1","3","1") = "5"
    & skf21("6","2","1","3","2","1","4","1") = "5"
    & skf21("6","2","1","3","2","1","5","1") = "5"
    & skf21("6","2","1","3","2","1","6","1") = "5"
    & skf21("6","2","1","3","2","1","7","1") = "6"
    & skf21("6","2","1","3","2","2","1","1") = "5"
    & skf21("6","2","1","3","2","2","2","1") = "5"
    & skf21("6","2","1","3","2","2","3","1") = "5"
    & skf21("6","2","1","3","2","2","4","1") = "5"
    & skf21("6","2","1","3","2","2","5","1") = "5"
    & skf21("6","2","1","3","2","2","6","1") = "5"
    & skf21("6","2","1","3","2","2","7","1") = "6"
    & skf21("6","2","1","3","2","3","1","1") = "5"
    & skf21("6","2","1","3","2","3","2","1") = "5"
    & skf21("6","2","1","3","2","3","3","1") = "5"
    & skf21("6","2","1","3","2","3","4","1") = "5"
    & skf21("6","2","1","3","2","3","5","1") = "5"
    & skf21("6","2","1","3","2","3","6","1") = "5"
    & skf21("6","2","1","3","2","3","7","1") = "6"
    & skf21("6","2","1","3","2","4","1","1") = "5"
    & skf21("6","2","1","3","2","4","2","1") = "5"
    & skf21("6","2","1","3","2","4","3","1") = "5"
    & skf21("6","2","1","3","2","4","4","1") = "5"
    & skf21("6","2","1","3","2","4","5","1") = "5"
    & skf21("6","2","1","3","2","4","6","1") = "5"
    & skf21("6","2","1","3","2","4","7","1") = "6"
    & skf21("6","2","1","3","2","5","1","1") = "5"
    & skf21("6","2","1","3","2","5","2","1") = "5"
    & skf21("6","2","1","3","2","5","3","1") = "5"
    & skf21("6","2","1","3","2","5","4","1") = "5"
    & skf21("6","2","1","3","2","5","5","1") = "5"
    & skf21("6","2","1","3","2","5","6","1") = "5"
    & skf21("6","2","1","3","2","5","7","1") = "6"
    & skf21("6","2","1","3","2","6","1","1") = "5"
    & skf21("6","2","1","3","2","6","2","1") = "5"
    & skf21("6","2","1","3","2","6","3","1") = "5"
    & skf21("6","2","1","3","2","6","4","1") = "5"
    & skf21("6","2","1","3","2","6","5","1") = "5"
    & skf21("6","2","1","3","2","6","6","1") = "5"
    & skf21("6","2","1","3","2","6","7","1") = "6"
    & skf21("6","2","1","3","2","7","1","1") = "6"
    & skf21("6","2","1","3","2","7","2","1") = "6"
    & skf21("6","2","1","3","2","7","3","1") = "6"
    & skf21("6","2","1","3","2","7","4","1") = "6"
    & skf21("6","2","1","3","2","7","5","1") = "6"
    & skf21("6","2","1","3","2","7","6","1") = "6"
    & skf21("6","2","1","3","2","7","7","1") = "6"
    & skf21("6","2","1","3","3","1","1","1") = "5"
    & skf21("6","2","1","3","3","1","2","1") = "5"
    & skf21("6","2","1","3","3","1","3","1") = "5"
    & skf21("6","2","1","3","3","1","4","1") = "5"
    & skf21("6","2","1","3","3","1","5","1") = "5"
    & skf21("6","2","1","3","3","1","6","1") = "5"
    & skf21("6","2","1","3","3","1","7","1") = "6"
    & skf21("6","2","1","3","3","2","1","1") = "5"
    & skf21("6","2","1","3","3","2","2","1") = "5"
    & skf21("6","2","1","3","3","2","3","1") = "5"
    & skf21("6","2","1","3","3","2","4","1") = "5"
    & skf21("6","2","1","3","3","2","5","1") = "5"
    & skf21("6","2","1","3","3","2","6","1") = "5"
    & skf21("6","2","1","3","3","2","7","1") = "6"
    & skf21("6","2","1","3","3","3","1","1") = "5"
    & skf21("6","2","1","3","3","3","2","1") = "5"
    & skf21("6","2","1","3","3","3","3","1") = "5"
    & skf21("6","2","1","3","3","3","4","1") = "5"
    & skf21("6","2","1","3","3","3","5","1") = "5"
    & skf21("6","2","1","3","3","3","6","1") = "5"
    & skf21("6","2","1","3","3","3","7","1") = "6"
    & skf21("6","2","1","3","3","4","1","1") = "5"
    & skf21("6","2","1","3","3","4","2","1") = "5"
    & skf21("6","2","1","3","3","4","3","1") = "5"
    & skf21("6","2","1","3","3","4","4","1") = "5"
    & skf21("6","2","1","3","3","4","5","1") = "5"
    & skf21("6","2","1","3","3","4","6","1") = "5"
    & skf21("6","2","1","3","3","4","7","1") = "6"
    & skf21("6","2","1","3","3","5","1","1") = "5"
    & skf21("6","2","1","3","3","5","2","1") = "5"
    & skf21("6","2","1","3","3","5","3","1") = "5"
    & skf21("6","2","1","3","3","5","4","1") = "5"
    & skf21("6","2","1","3","3","5","5","1") = "5"
    & skf21("6","2","1","3","3","5","6","1") = "5"
    & skf21("6","2","1","3","3","5","7","1") = "6"
    & skf21("6","2","1","3","3","6","1","1") = "5"
    & skf21("6","2","1","3","3","6","2","1") = "5"
    & skf21("6","2","1","3","3","6","3","1") = "5"
    & skf21("6","2","1","3","3","6","4","1") = "5"
    & skf21("6","2","1","3","3","6","5","1") = "5"
    & skf21("6","2","1","3","3","6","6","1") = "5"
    & skf21("6","2","1","3","3","6","7","1") = "6"
    & skf21("6","2","1","3","3","7","1","1") = "6"
    & skf21("6","2","1","3","3","7","2","1") = "6"
    & skf21("6","2","1","3","3","7","3","1") = "6"
    & skf21("6","2","1","3","3","7","4","1") = "6"
    & skf21("6","2","1","3","3","7","5","1") = "6"
    & skf21("6","2","1","3","3","7","6","1") = "6"
    & skf21("6","2","1","3","3","7","7","1") = "6"
    & skf21("6","2","1","3","4","1","1","1") = "5"
    & skf21("6","2","1","3","4","1","2","1") = "5"
    & skf21("6","2","1","3","4","1","3","1") = "5"
    & skf21("6","2","1","3","4","1","4","1") = "5"
    & skf21("6","2","1","3","4","1","5","1") = "5"
    & skf21("6","2","1","3","4","1","6","1") = "5"
    & skf21("6","2","1","3","4","1","7","1") = "6"
    & skf21("6","2","1","3","4","2","1","1") = "5"
    & skf21("6","2","1","3","4","2","2","1") = "5"
    & skf21("6","2","1","3","4","2","3","1") = "5"
    & skf21("6","2","1","3","4","2","4","1") = "5"
    & skf21("6","2","1","3","4","2","5","1") = "5"
    & skf21("6","2","1","3","4","2","6","1") = "5"
    & skf21("6","2","1","3","4","2","7","1") = "6"
    & skf21("6","2","1","3","4","3","1","1") = "5"
    & skf21("6","2","1","3","4","3","2","1") = "5"
    & skf21("6","2","1","3","4","3","3","1") = "5"
    & skf21("6","2","1","3","4","3","4","1") = "5"
    & skf21("6","2","1","3","4","3","5","1") = "5"
    & skf21("6","2","1","3","4","3","6","1") = "5"
    & skf21("6","2","1","3","4","3","7","1") = "6"
    & skf21("6","2","1","3","4","4","1","1") = "5"
    & skf21("6","2","1","3","4","4","2","1") = "5"
    & skf21("6","2","1","3","4","4","3","1") = "5"
    & skf21("6","2","1","3","4","4","4","1") = "5"
    & skf21("6","2","1","3","4","4","5","1") = "5"
    & skf21("6","2","1","3","4","4","6","1") = "5"
    & skf21("6","2","1","3","4","4","7","1") = "6"
    & skf21("6","2","1","3","4","5","1","1") = "5"
    & skf21("6","2","1","3","4","5","2","1") = "5"
    & skf21("6","2","1","3","4","5","3","1") = "5"
    & skf21("6","2","1","3","4","5","4","1") = "5"
    & skf21("6","2","1","3","4","5","5","1") = "5"
    & skf21("6","2","1","3","4","5","6","1") = "5"
    & skf21("6","2","1","3","4","5","7","1") = "6"
    & skf21("6","2","1","3","4","6","1","1") = "5"
    & skf21("6","2","1","3","4","6","2","1") = "5"
    & skf21("6","2","1","3","4","6","3","1") = "5"
    & skf21("6","2","1","3","4","6","4","1") = "5"
    & skf21("6","2","1","3","4","6","5","1") = "5"
    & skf21("6","2","1","3","4","6","6","1") = "5"
    & skf21("6","2","1","3","4","6","7","1") = "6"
    & skf21("6","2","1","3","4","7","1","1") = "6"
    & skf21("6","2","1","3","4","7","2","1") = "6"
    & skf21("6","2","1","3","4","7","3","1") = "6"
    & skf21("6","2","1","3","4","7","4","1") = "6"
    & skf21("6","2","1","3","4","7","5","1") = "6"
    & skf21("6","2","1","3","4","7","6","1") = "6"
    & skf21("6","2","1","3","4","7","7","1") = "6"
    & skf21("6","2","1","3","5","1","1","1") = "5"
    & skf21("6","2","1","3","5","1","2","1") = "5"
    & skf21("6","2","1","3","5","1","3","1") = "5"
    & skf21("6","2","1","3","5","1","4","1") = "5"
    & skf21("6","2","1","3","5","1","5","1") = "5"
    & skf21("6","2","1","3","5","1","6","1") = "5"
    & skf21("6","2","1","3","5","1","7","1") = "6"
    & skf21("6","2","1","3","5","2","1","1") = "5"
    & skf21("6","2","1","3","5","2","2","1") = "5"
    & skf21("6","2","1","3","5","2","3","1") = "5"
    & skf21("6","2","1","3","5","2","4","1") = "5"
    & skf21("6","2","1","3","5","2","5","1") = "5"
    & skf21("6","2","1","3","5","2","6","1") = "5"
    & skf21("6","2","1","3","5","2","7","1") = "6"
    & skf21("6","2","1","3","5","3","1","1") = "5"
    & skf21("6","2","1","3","5","3","2","1") = "5"
    & skf21("6","2","1","3","5","3","3","1") = "5"
    & skf21("6","2","1","3","5","3","4","1") = "5"
    & skf21("6","2","1","3","5","3","5","1") = "5"
    & skf21("6","2","1","3","5","3","6","1") = "5"
    & skf21("6","2","1","3","5","3","7","1") = "6"
    & skf21("6","2","1","3","5","4","1","1") = "5"
    & skf21("6","2","1","3","5","4","2","1") = "5"
    & skf21("6","2","1","3","5","4","3","1") = "5"
    & skf21("6","2","1","3","5","4","4","1") = "5"
    & skf21("6","2","1","3","5","4","5","1") = "5"
    & skf21("6","2","1","3","5","4","6","1") = "5"
    & skf21("6","2","1","3","5","4","7","1") = "6"
    & skf21("6","2","1","3","5","5","1","1") = "5"
    & skf21("6","2","1","3","5","5","2","1") = "5"
    & skf21("6","2","1","3","5","5","3","1") = "5"
    & skf21("6","2","1","3","5","5","4","1") = "5"
    & skf21("6","2","1","3","5","5","5","1") = "5"
    & skf21("6","2","1","3","5","5","6","1") = "5"
    & skf21("6","2","1","3","5","5","7","1") = "6"
    & skf21("6","2","1","3","5","6","1","1") = "5"
    & skf21("6","2","1","3","5","6","2","1") = "5"
    & skf21("6","2","1","3","5","6","3","1") = "5"
    & skf21("6","2","1","3","5","6","4","1") = "5"
    & skf21("6","2","1","3","5","6","5","1") = "5"
    & skf21("6","2","1","3","5","6","6","1") = "5"
    & skf21("6","2","1","3","5","6","7","1") = "6"
    & skf21("6","2","1","3","5","7","1","1") = "6"
    & skf21("6","2","1","3","5","7","2","1") = "6"
    & skf21("6","2","1","3","5","7","3","1") = "6"
    & skf21("6","2","1","3","5","7","4","1") = "6"
    & skf21("6","2","1","3","5","7","5","1") = "6"
    & skf21("6","2","1","3","5","7","6","1") = "6"
    & skf21("6","2","1","3","5","7","7","1") = "6"
    & skf21("6","2","1","3","6","1","1","1") = "5"
    & skf21("6","2","1","3","6","1","2","1") = "5"
    & skf21("6","2","1","3","6","1","3","1") = "5"
    & skf21("6","2","1","3","6","1","4","1") = "5"
    & skf21("6","2","1","3","6","1","5","1") = "5"
    & skf21("6","2","1","3","6","1","6","1") = "5"
    & skf21("6","2","1","3","6","1","7","1") = "6"
    & skf21("6","2","1","3","6","2","1","1") = "5"
    & skf21("6","2","1","3","6","2","2","1") = "5"
    & skf21("6","2","1","3","6","2","3","1") = "5"
    & skf21("6","2","1","3","6","2","4","1") = "5"
    & skf21("6","2","1","3","6","2","5","1") = "5"
    & skf21("6","2","1","3","6","2","6","1") = "5"
    & skf21("6","2","1","3","6","2","7","1") = "6"
    & skf21("6","2","1","3","6","3","1","1") = "5"
    & skf21("6","2","1","3","6","3","2","1") = "5"
    & skf21("6","2","1","3","6","3","3","1") = "5"
    & skf21("6","2","1","3","6","3","4","1") = "5"
    & skf21("6","2","1","3","6","3","5","1") = "5"
    & skf21("6","2","1","3","6","3","6","1") = "5"
    & skf21("6","2","1","3","6","3","7","1") = "6"
    & skf21("6","2","1","3","6","4","1","1") = "5"
    & skf21("6","2","1","3","6","4","2","1") = "5"
    & skf21("6","2","1","3","6","4","3","1") = "5"
    & skf21("6","2","1","3","6","4","4","1") = "5"
    & skf21("6","2","1","3","6","4","5","1") = "5"
    & skf21("6","2","1","3","6","4","6","1") = "5"
    & skf21("6","2","1","3","6","4","7","1") = "6"
    & skf21("6","2","1","3","6","5","1","1") = "5"
    & skf21("6","2","1","3","6","5","2","1") = "5"
    & skf21("6","2","1","3","6","5","3","1") = "5"
    & skf21("6","2","1","3","6","5","4","1") = "5"
    & skf21("6","2","1","3","6","5","5","1") = "5"
    & skf21("6","2","1","3","6","5","6","1") = "5"
    & skf21("6","2","1","3","6","5","7","1") = "6"
    & skf21("6","2","1","3","6","6","1","1") = "5"
    & skf21("6","2","1","3","6","6","2","1") = "5"
    & skf21("6","2","1","3","6","6","3","1") = "5"
    & skf21("6","2","1","3","6","6","4","1") = "5"
    & skf21("6","2","1","3","6","6","5","1") = "5"
    & skf21("6","2","1","3","6","6","6","1") = "5"
    & skf21("6","2","1","3","6","6","7","1") = "6"
    & skf21("6","2","1","3","6","7","1","1") = "6"
    & skf21("6","2","1","3","6","7","2","1") = "6"
    & skf21("6","2","1","3","6","7","3","1") = "6"
    & skf21("6","2","1","3","6","7","4","1") = "6"
    & skf21("6","2","1","3","6","7","5","1") = "6"
    & skf21("6","2","1","3","6","7","6","1") = "6"
    & skf21("6","2","1","3","6","7","7","1") = "6"
    & skf21("6","2","1","3","7","1","1","1") = "6"
    & skf21("6","2","1","3","7","1","2","1") = "6"
    & skf21("6","2","1","3","7","1","3","1") = "6"
    & skf21("6","2","1","3","7","1","4","1") = "6"
    & skf21("6","2","1","3","7","1","5","1") = "6"
    & skf21("6","2","1","3","7","1","6","1") = "6"
    & skf21("6","2","1","3","7","1","7","1") = "6"
    & skf21("6","2","1","3","7","2","1","1") = "6"
    & skf21("6","2","1","3","7","2","2","1") = "6"
    & skf21("6","2","1","3","7","2","3","1") = "6"
    & skf21("6","2","1","3","7","2","4","1") = "6"
    & skf21("6","2","1","3","7","2","5","1") = "6"
    & skf21("6","2","1","3","7","2","6","1") = "6"
    & skf21("6","2","1","3","7","2","7","1") = "6"
    & skf21("6","2","1","3","7","3","1","1") = "6"
    & skf21("6","2","1","3","7","3","2","1") = "6"
    & skf21("6","2","1","3","7","3","3","1") = "6"
    & skf21("6","2","1","3","7","3","4","1") = "6"
    & skf21("6","2","1","3","7","3","5","1") = "6"
    & skf21("6","2","1","3","7","3","6","1") = "6"
    & skf21("6","2","1","3","7","3","7","1") = "6"
    & skf21("6","2","1","3","7","4","1","1") = "6"
    & skf21("6","2","1","3","7","4","2","1") = "6"
    & skf21("6","2","1","3","7","4","3","1") = "6"
    & skf21("6","2","1","3","7","4","4","1") = "6"
    & skf21("6","2","1","3","7","4","5","1") = "6"
    & skf21("6","2","1","3","7","4","6","1") = "6"
    & skf21("6","2","1","3","7","4","7","1") = "6"
    & skf21("6","2","1","3","7","5","1","1") = "6"
    & skf21("6","2","1","3","7","5","2","1") = "6"
    & skf21("6","2","1","3","7","5","3","1") = "6"
    & skf21("6","2","1","3","7","5","4","1") = "6"
    & skf21("6","2","1","3","7","5","5","1") = "6"
    & skf21("6","2","1","3","7","5","6","1") = "6"
    & skf21("6","2","1","3","7","5","7","1") = "6"
    & skf21("6","2","1","3","7","6","1","1") = "6"
    & skf21("6","2","1","3","7","6","2","1") = "6"
    & skf21("6","2","1","3","7","6","3","1") = "6"
    & skf21("6","2","1","3","7","6","4","1") = "6"
    & skf21("6","2","1","3","7","6","5","1") = "6"
    & skf21("6","2","1","3","7","6","6","1") = "6"
    & skf21("6","2","1","3","7","6","7","1") = "6"
    & skf21("6","2","1","3","7","7","1","1") = "6"
    & skf21("6","2","1","3","7","7","2","1") = "6"
    & skf21("6","2","1","3","7","7","3","1") = "6"
    & skf21("6","2","1","3","7","7","4","1") = "6"
    & skf21("6","2","1","3","7","7","5","1") = "6"
    & skf21("6","2","1","3","7","7","6","1") = "6"
    & skf21("6","2","1","3","7","7","7","1") = "6"
    & skf21("6","2","1","4","1","1","1","1") = "5"
    & skf21("6","2","1","4","1","1","2","1") = "5"
    & skf21("6","2","1","4","1","1","3","1") = "5"
    & skf21("6","2","1","4","1","1","4","1") = "5"
    & skf21("6","2","1","4","1","1","5","1") = "5"
    & skf21("6","2","1","4","1","1","6","1") = "5"
    & skf21("6","2","1","4","1","1","7","1") = "6"
    & skf21("6","2","1","4","1","2","1","1") = "5"
    & skf21("6","2","1","4","1","2","2","1") = "5"
    & skf21("6","2","1","4","1","2","3","1") = "5"
    & skf21("6","2","1","4","1","2","4","1") = "5"
    & skf21("6","2","1","4","1","2","5","1") = "5"
    & skf21("6","2","1","4","1","2","6","1") = "5"
    & skf21("6","2","1","4","1","2","7","1") = "6"
    & skf21("6","2","1","4","1","3","1","1") = "5"
    & skf21("6","2","1","4","1","3","2","1") = "5"
    & skf21("6","2","1","4","1","3","3","1") = "5"
    & skf21("6","2","1","4","1","3","4","1") = "5"
    & skf21("6","2","1","4","1","3","5","1") = "5"
    & skf21("6","2","1","4","1","3","6","1") = "5"
    & skf21("6","2","1","4","1","3","7","1") = "6"
    & skf21("6","2","1","4","1","4","1","1") = "5"
    & skf21("6","2","1","4","1","4","2","1") = "5"
    & skf21("6","2","1","4","1","4","3","1") = "5"
    & skf21("6","2","1","4","1","4","4","1") = "5"
    & skf21("6","2","1","4","1","4","5","1") = "5"
    & skf21("6","2","1","4","1","4","6","1") = "5"
    & skf21("6","2","1","4","1","4","7","1") = "6"
    & skf21("6","2","1","4","1","5","1","1") = "5"
    & skf21("6","2","1","4","1","5","2","1") = "5"
    & skf21("6","2","1","4","1","5","3","1") = "5"
    & skf21("6","2","1","4","1","5","4","1") = "5"
    & skf21("6","2","1","4","1","5","5","1") = "5"
    & skf21("6","2","1","4","1","5","6","1") = "5"
    & skf21("6","2","1","4","1","5","7","1") = "6"
    & skf21("6","2","1","4","1","6","1","1") = "5"
    & skf21("6","2","1","4","1","6","2","1") = "5"
    & skf21("6","2","1","4","1","6","3","1") = "5"
    & skf21("6","2","1","4","1","6","4","1") = "5"
    & skf21("6","2","1","4","1","6","5","1") = "5"
    & skf21("6","2","1","4","1","6","6","1") = "5"
    & skf21("6","2","1","4","1","6","7","1") = "6"
    & skf21("6","2","1","4","1","7","1","1") = "6"
    & skf21("6","2","1","4","1","7","2","1") = "6"
    & skf21("6","2","1","4","1","7","3","1") = "6"
    & skf21("6","2","1","4","1","7","4","1") = "6"
    & skf21("6","2","1","4","1","7","5","1") = "6"
    & skf21("6","2","1","4","1","7","6","1") = "6"
    & skf21("6","2","1","4","1","7","7","1") = "6"
    & skf21("6","2","1","4","2","1","1","1") = "5"
    & skf21("6","2","1","4","2","1","2","1") = "5"
    & skf21("6","2","1","4","2","1","3","1") = "5"
    & skf21("6","2","1","4","2","1","4","1") = "5"
    & skf21("6","2","1","4","2","1","5","1") = "5"
    & skf21("6","2","1","4","2","1","6","1") = "5"
    & skf21("6","2","1","4","2","1","7","1") = "6"
    & skf21("6","2","1","4","2","2","1","1") = "5"
    & skf21("6","2","1","4","2","2","2","1") = "5"
    & skf21("6","2","1","4","2","2","3","1") = "5"
    & skf21("6","2","1","4","2","2","4","1") = "5"
    & skf21("6","2","1","4","2","2","5","1") = "5"
    & skf21("6","2","1","4","2","2","6","1") = "5"
    & skf21("6","2","1","4","2","2","7","1") = "6"
    & skf21("6","2","1","4","2","3","1","1") = "5"
    & skf21("6","2","1","4","2","3","2","1") = "5"
    & skf21("6","2","1","4","2","3","3","1") = "5"
    & skf21("6","2","1","4","2","3","4","1") = "5"
    & skf21("6","2","1","4","2","3","5","1") = "5"
    & skf21("6","2","1","4","2","3","6","1") = "5"
    & skf21("6","2","1","4","2","3","7","1") = "6"
    & skf21("6","2","1","4","2","4","1","1") = "5"
    & skf21("6","2","1","4","2","4","2","1") = "5"
    & skf21("6","2","1","4","2","4","3","1") = "5"
    & skf21("6","2","1","4","2","4","4","1") = "5"
    & skf21("6","2","1","4","2","4","5","1") = "5"
    & skf21("6","2","1","4","2","4","6","1") = "5"
    & skf21("6","2","1","4","2","4","7","1") = "6"
    & skf21("6","2","1","4","2","5","1","1") = "5"
    & skf21("6","2","1","4","2","5","2","1") = "5"
    & skf21("6","2","1","4","2","5","3","1") = "5"
    & skf21("6","2","1","4","2","5","4","1") = "5"
    & skf21("6","2","1","4","2","5","5","1") = "5"
    & skf21("6","2","1","4","2","5","6","1") = "5"
    & skf21("6","2","1","4","2","5","7","1") = "6"
    & skf21("6","2","1","4","2","6","1","1") = "5"
    & skf21("6","2","1","4","2","6","2","1") = "5"
    & skf21("6","2","1","4","2","6","3","1") = "5"
    & skf21("6","2","1","4","2","6","4","1") = "5"
    & skf21("6","2","1","4","2","6","5","1") = "5"
    & skf21("6","2","1","4","2","6","6","1") = "5"
    & skf21("6","2","1","4","2","6","7","1") = "6"
    & skf21("6","2","1","4","2","7","1","1") = "6"
    & skf21("6","2","1","4","2","7","2","1") = "6"
    & skf21("6","2","1","4","2","7","3","1") = "6"
    & skf21("6","2","1","4","2","7","4","1") = "6"
    & skf21("6","2","1","4","2","7","5","1") = "6"
    & skf21("6","2","1","4","2","7","6","1") = "6"
    & skf21("6","2","1","4","2","7","7","1") = "6"
    & skf21("6","2","1","4","3","1","1","1") = "5"
    & skf21("6","2","1","4","3","1","2","1") = "5"
    & skf21("6","2","1","4","3","1","3","1") = "5"
    & skf21("6","2","1","4","3","1","4","1") = "5"
    & skf21("6","2","1","4","3","1","5","1") = "5"
    & skf21("6","2","1","4","3","1","6","1") = "5"
    & skf21("6","2","1","4","3","1","7","1") = "6"
    & skf21("6","2","1","4","3","2","1","1") = "5"
    & skf21("6","2","1","4","3","2","2","1") = "5"
    & skf21("6","2","1","4","3","2","3","1") = "5"
    & skf21("6","2","1","4","3","2","4","1") = "5"
    & skf21("6","2","1","4","3","2","5","1") = "5"
    & skf21("6","2","1","4","3","2","6","1") = "5"
    & skf21("6","2","1","4","3","2","7","1") = "6"
    & skf21("6","2","1","4","3","3","1","1") = "5"
    & skf21("6","2","1","4","3","3","2","1") = "5"
    & skf21("6","2","1","4","3","3","3","1") = "5"
    & skf21("6","2","1","4","3","3","4","1") = "5"
    & skf21("6","2","1","4","3","3","5","1") = "5"
    & skf21("6","2","1","4","3","3","6","1") = "5"
    & skf21("6","2","1","4","3","3","7","1") = "6"
    & skf21("6","2","1","4","3","4","1","1") = "5"
    & skf21("6","2","1","4","3","4","2","1") = "5"
    & skf21("6","2","1","4","3","4","3","1") = "5"
    & skf21("6","2","1","4","3","4","4","1") = "5"
    & skf21("6","2","1","4","3","4","5","1") = "5"
    & skf21("6","2","1","4","3","4","6","1") = "5"
    & skf21("6","2","1","4","3","4","7","1") = "6"
    & skf21("6","2","1","4","3","5","1","1") = "5"
    & skf21("6","2","1","4","3","5","2","1") = "5"
    & skf21("6","2","1","4","3","5","3","1") = "5"
    & skf21("6","2","1","4","3","5","4","1") = "5"
    & skf21("6","2","1","4","3","5","5","1") = "5"
    & skf21("6","2","1","4","3","5","6","1") = "5"
    & skf21("6","2","1","4","3","5","7","1") = "6"
    & skf21("6","2","1","4","3","6","1","1") = "5"
    & skf21("6","2","1","4","3","6","2","1") = "5"
    & skf21("6","2","1","4","3","6","3","1") = "5"
    & skf21("6","2","1","4","3","6","4","1") = "5"
    & skf21("6","2","1","4","3","6","5","1") = "5"
    & skf21("6","2","1","4","3","6","6","1") = "5"
    & skf21("6","2","1","4","3","6","7","1") = "6"
    & skf21("6","2","1","4","3","7","1","1") = "6"
    & skf21("6","2","1","4","3","7","2","1") = "6"
    & skf21("6","2","1","4","3","7","3","1") = "6"
    & skf21("6","2","1","4","3","7","4","1") = "6"
    & skf21("6","2","1","4","3","7","5","1") = "6"
    & skf21("6","2","1","4","3","7","6","1") = "6"
    & skf21("6","2","1","4","3","7","7","1") = "6"
    & skf21("6","2","1","4","4","1","1","1") = "5"
    & skf21("6","2","1","4","4","1","2","1") = "5"
    & skf21("6","2","1","4","4","1","3","1") = "5"
    & skf21("6","2","1","4","4","1","4","1") = "5"
    & skf21("6","2","1","4","4","1","5","1") = "5"
    & skf21("6","2","1","4","4","1","6","1") = "5"
    & skf21("6","2","1","4","4","1","7","1") = "6"
    & skf21("6","2","1","4","4","2","1","1") = "5"
    & skf21("6","2","1","4","4","2","2","1") = "5"
    & skf21("6","2","1","4","4","2","3","1") = "5"
    & skf21("6","2","1","4","4","2","4","1") = "5"
    & skf21("6","2","1","4","4","2","5","1") = "5"
    & skf21("6","2","1","4","4","2","6","1") = "5"
    & skf21("6","2","1","4","4","2","7","1") = "6"
    & skf21("6","2","1","4","4","3","1","1") = "5"
    & skf21("6","2","1","4","4","3","2","1") = "5"
    & skf21("6","2","1","4","4","3","3","1") = "5"
    & skf21("6","2","1","4","4","3","4","1") = "5"
    & skf21("6","2","1","4","4","3","5","1") = "5"
    & skf21("6","2","1","4","4","3","6","1") = "5"
    & skf21("6","2","1","4","4","3","7","1") = "6"
    & skf21("6","2","1","4","4","4","1","1") = "5"
    & skf21("6","2","1","4","4","4","2","1") = "5"
    & skf21("6","2","1","4","4","4","3","1") = "5"
    & skf21("6","2","1","4","4","4","4","1") = "5"
    & skf21("6","2","1","4","4","4","5","1") = "5"
    & skf21("6","2","1","4","4","4","6","1") = "5"
    & skf21("6","2","1","4","4","4","7","1") = "6"
    & skf21("6","2","1","4","4","5","1","1") = "5"
    & skf21("6","2","1","4","4","5","2","1") = "5"
    & skf21("6","2","1","4","4","5","3","1") = "5"
    & skf21("6","2","1","4","4","5","4","1") = "5"
    & skf21("6","2","1","4","4","5","5","1") = "5"
    & skf21("6","2","1","4","4","5","6","1") = "5"
    & skf21("6","2","1","4","4","5","7","1") = "6"
    & skf21("6","2","1","4","4","6","1","1") = "5"
    & skf21("6","2","1","4","4","6","2","1") = "5"
    & skf21("6","2","1","4","4","6","3","1") = "5"
    & skf21("6","2","1","4","4","6","4","1") = "5"
    & skf21("6","2","1","4","4","6","5","1") = "5"
    & skf21("6","2","1","4","4","6","6","1") = "5"
    & skf21("6","2","1","4","4","6","7","1") = "6"
    & skf21("6","2","1","4","4","7","1","1") = "6"
    & skf21("6","2","1","4","4","7","2","1") = "6"
    & skf21("6","2","1","4","4","7","3","1") = "6"
    & skf21("6","2","1","4","4","7","4","1") = "6"
    & skf21("6","2","1","4","4","7","5","1") = "6"
    & skf21("6","2","1","4","4","7","6","1") = "6"
    & skf21("6","2","1","4","4","7","7","1") = "6"
    & skf21("6","2","1","4","5","1","1","1") = "5"
    & skf21("6","2","1","4","5","1","2","1") = "5"
    & skf21("6","2","1","4","5","1","3","1") = "5"
    & skf21("6","2","1","4","5","1","4","1") = "5"
    & skf21("6","2","1","4","5","1","5","1") = "5"
    & skf21("6","2","1","4","5","1","6","1") = "5"
    & skf21("6","2","1","4","5","1","7","1") = "6"
    & skf21("6","2","1","4","5","2","1","1") = "5"
    & skf21("6","2","1","4","5","2","2","1") = "5"
    & skf21("6","2","1","4","5","2","3","1") = "5"
    & skf21("6","2","1","4","5","2","4","1") = "5"
    & skf21("6","2","1","4","5","2","5","1") = "5"
    & skf21("6","2","1","4","5","2","6","1") = "5"
    & skf21("6","2","1","4","5","2","7","1") = "6"
    & skf21("6","2","1","4","5","3","1","1") = "5"
    & skf21("6","2","1","4","5","3","2","1") = "5"
    & skf21("6","2","1","4","5","3","3","1") = "5"
    & skf21("6","2","1","4","5","3","4","1") = "5"
    & skf21("6","2","1","4","5","3","5","1") = "5"
    & skf21("6","2","1","4","5","3","6","1") = "5"
    & skf21("6","2","1","4","5","3","7","1") = "6"
    & skf21("6","2","1","4","5","4","1","1") = "5"
    & skf21("6","2","1","4","5","4","2","1") = "5"
    & skf21("6","2","1","4","5","4","3","1") = "5"
    & skf21("6","2","1","4","5","4","4","1") = "5"
    & skf21("6","2","1","4","5","4","5","1") = "5"
    & skf21("6","2","1","4","5","4","6","1") = "5"
    & skf21("6","2","1","4","5","4","7","1") = "6"
    & skf21("6","2","1","4","5","5","1","1") = "5"
    & skf21("6","2","1","4","5","5","2","1") = "5"
    & skf21("6","2","1","4","5","5","3","1") = "5"
    & skf21("6","2","1","4","5","5","4","1") = "5"
    & skf21("6","2","1","4","5","5","5","1") = "5"
    & skf21("6","2","1","4","5","5","6","1") = "5"
    & skf21("6","2","1","4","5","5","7","1") = "6"
    & skf21("6","2","1","4","5","6","1","1") = "5"
    & skf21("6","2","1","4","5","6","2","1") = "5"
    & skf21("6","2","1","4","5","6","3","1") = "5"
    & skf21("6","2","1","4","5","6","4","1") = "5"
    & skf21("6","2","1","4","5","6","5","1") = "5"
    & skf21("6","2","1","4","5","6","6","1") = "5"
    & skf21("6","2","1","4","5","6","7","1") = "6"
    & skf21("6","2","1","4","5","7","1","1") = "6"
    & skf21("6","2","1","4","5","7","2","1") = "6"
    & skf21("6","2","1","4","5","7","3","1") = "6"
    & skf21("6","2","1","4","5","7","4","1") = "6"
    & skf21("6","2","1","4","5","7","5","1") = "6"
    & skf21("6","2","1","4","5","7","6","1") = "6"
    & skf21("6","2","1","4","5","7","7","1") = "6"
    & skf21("6","2","1","4","6","1","1","1") = "5"
    & skf21("6","2","1","4","6","1","2","1") = "5"
    & skf21("6","2","1","4","6","1","3","1") = "5"
    & skf21("6","2","1","4","6","1","4","1") = "5"
    & skf21("6","2","1","4","6","1","5","1") = "5"
    & skf21("6","2","1","4","6","1","6","1") = "5"
    & skf21("6","2","1","4","6","1","7","1") = "6"
    & skf21("6","2","1","4","6","2","1","1") = "5"
    & skf21("6","2","1","4","6","2","2","1") = "5"
    & skf21("6","2","1","4","6","2","3","1") = "5"
    & skf21("6","2","1","4","6","2","4","1") = "5"
    & skf21("6","2","1","4","6","2","5","1") = "5"
    & skf21("6","2","1","4","6","2","6","1") = "5"
    & skf21("6","2","1","4","6","2","7","1") = "6"
    & skf21("6","2","1","4","6","3","1","1") = "5"
    & skf21("6","2","1","4","6","3","2","1") = "5"
    & skf21("6","2","1","4","6","3","3","1") = "5"
    & skf21("6","2","1","4","6","3","4","1") = "5"
    & skf21("6","2","1","4","6","3","5","1") = "5"
    & skf21("6","2","1","4","6","3","6","1") = "5"
    & skf21("6","2","1","4","6","3","7","1") = "6"
    & skf21("6","2","1","4","6","4","1","1") = "5"
    & skf21("6","2","1","4","6","4","2","1") = "5"
    & skf21("6","2","1","4","6","4","3","1") = "5"
    & skf21("6","2","1","4","6","4","4","1") = "5"
    & skf21("6","2","1","4","6","4","5","1") = "5"
    & skf21("6","2","1","4","6","4","6","1") = "5"
    & skf21("6","2","1","4","6","4","7","1") = "6"
    & skf21("6","2","1","4","6","5","1","1") = "5"
    & skf21("6","2","1","4","6","5","2","1") = "5"
    & skf21("6","2","1","4","6","5","3","1") = "5"
    & skf21("6","2","1","4","6","5","4","1") = "5"
    & skf21("6","2","1","4","6","5","5","1") = "5"
    & skf21("6","2","1","4","6","5","6","1") = "5"
    & skf21("6","2","1","4","6","5","7","1") = "6"
    & skf21("6","2","1","4","6","6","1","1") = "5"
    & skf21("6","2","1","4","6","6","2","1") = "5"
    & skf21("6","2","1","4","6","6","3","1") = "5"
    & skf21("6","2","1","4","6","6","4","1") = "5"
    & skf21("6","2","1","4","6","6","5","1") = "5"
    & skf21("6","2","1","4","6","6","6","1") = "5"
    & skf21("6","2","1","4","6","6","7","1") = "6"
    & skf21("6","2","1","4","6","7","1","1") = "6"
    & skf21("6","2","1","4","6","7","2","1") = "6"
    & skf21("6","2","1","4","6","7","3","1") = "6"
    & skf21("6","2","1","4","6","7","4","1") = "6"
    & skf21("6","2","1","4","6","7","5","1") = "6"
    & skf21("6","2","1","4","6","7","6","1") = "6"
    & skf21("6","2","1","4","6","7","7","1") = "6"
    & skf21("6","2","1","4","7","1","1","1") = "6"
    & skf21("6","2","1","4","7","1","2","1") = "6"
    & skf21("6","2","1","4","7","1","3","1") = "6"
    & skf21("6","2","1","4","7","1","4","1") = "6"
    & skf21("6","2","1","4","7","1","5","1") = "6"
    & skf21("6","2","1","4","7","1","6","1") = "6"
    & skf21("6","2","1","4","7","1","7","1") = "6"
    & skf21("6","2","1","4","7","2","1","1") = "6"
    & skf21("6","2","1","4","7","2","2","1") = "6"
    & skf21("6","2","1","4","7","2","3","1") = "6"
    & skf21("6","2","1","4","7","2","4","1") = "6"
    & skf21("6","2","1","4","7","2","5","1") = "6"
    & skf21("6","2","1","4","7","2","6","1") = "6"
    & skf21("6","2","1","4","7","2","7","1") = "6"
    & skf21("6","2","1","4","7","3","1","1") = "6"
    & skf21("6","2","1","4","7","3","2","1") = "6"
    & skf21("6","2","1","4","7","3","3","1") = "6"
    & skf21("6","2","1","4","7","3","4","1") = "6"
    & skf21("6","2","1","4","7","3","5","1") = "6"
    & skf21("6","2","1","4","7","3","6","1") = "6"
    & skf21("6","2","1","4","7","3","7","1") = "6"
    & skf21("6","2","1","4","7","4","1","1") = "6"
    & skf21("6","2","1","4","7","4","2","1") = "6"
    & skf21("6","2","1","4","7","4","3","1") = "6"
    & skf21("6","2","1","4","7","4","4","1") = "6"
    & skf21("6","2","1","4","7","4","5","1") = "6"
    & skf21("6","2","1","4","7","4","6","1") = "6"
    & skf21("6","2","1","4","7","4","7","1") = "6"
    & skf21("6","2","1","4","7","5","1","1") = "6"
    & skf21("6","2","1","4","7","5","2","1") = "6"
    & skf21("6","2","1","4","7","5","3","1") = "6"
    & skf21("6","2","1","4","7","5","4","1") = "6"
    & skf21("6","2","1","4","7","5","5","1") = "6"
    & skf21("6","2","1","4","7","5","6","1") = "6"
    & skf21("6","2","1","4","7","5","7","1") = "6"
    & skf21("6","2","1","4","7","6","1","1") = "6"
    & skf21("6","2","1","4","7","6","2","1") = "6"
    & skf21("6","2","1","4","7","6","3","1") = "6"
    & skf21("6","2","1","4","7","6","4","1") = "6"
    & skf21("6","2","1","4","7","6","5","1") = "6"
    & skf21("6","2","1","4","7","6","6","1") = "6"
    & skf21("6","2","1","4","7","6","7","1") = "6"
    & skf21("6","2","1","4","7","7","1","1") = "6"
    & skf21("6","2","1","4","7","7","2","1") = "6"
    & skf21("6","2","1","4","7","7","3","1") = "6"
    & skf21("6","2","1","4","7","7","4","1") = "6"
    & skf21("6","2","1","4","7","7","5","1") = "6"
    & skf21("6","2","1","4","7","7","6","1") = "6"
    & skf21("6","2","1","4","7","7","7","1") = "6"
    & skf21("6","2","1","5","1","1","1","1") = "5"
    & skf21("6","2","1","5","1","1","2","1") = "5"
    & skf21("6","2","1","5","1","1","3","1") = "5"
    & skf21("6","2","1","5","1","1","4","1") = "5"
    & skf21("6","2","1","5","1","1","5","1") = "5"
    & skf21("6","2","1","5","1","1","6","1") = "5"
    & skf21("6","2","1","5","1","1","7","1") = "6"
    & skf21("6","2","1","5","1","2","1","1") = "5"
    & skf21("6","2","1","5","1","2","2","1") = "5"
    & skf21("6","2","1","5","1","2","3","1") = "5"
    & skf21("6","2","1","5","1","2","4","1") = "5"
    & skf21("6","2","1","5","1","2","5","1") = "5"
    & skf21("6","2","1","5","1","2","6","1") = "5"
    & skf21("6","2","1","5","1","2","7","1") = "6"
    & skf21("6","2","1","5","1","3","1","1") = "5"
    & skf21("6","2","1","5","1","3","2","1") = "5"
    & skf21("6","2","1","5","1","3","3","1") = "5"
    & skf21("6","2","1","5","1","3","4","1") = "5"
    & skf21("6","2","1","5","1","3","5","1") = "5"
    & skf21("6","2","1","5","1","3","6","1") = "5"
    & skf21("6","2","1","5","1","3","7","1") = "6"
    & skf21("6","2","1","5","1","4","1","1") = "5"
    & skf21("6","2","1","5","1","4","2","1") = "5"
    & skf21("6","2","1","5","1","4","3","1") = "5"
    & skf21("6","2","1","5","1","4","4","1") = "5"
    & skf21("6","2","1","5","1","4","5","1") = "5"
    & skf21("6","2","1","5","1","4","6","1") = "5"
    & skf21("6","2","1","5","1","4","7","1") = "6"
    & skf21("6","2","1","5","1","5","1","1") = "5"
    & skf21("6","2","1","5","1","5","2","1") = "5"
    & skf21("6","2","1","5","1","5","3","1") = "5"
    & skf21("6","2","1","5","1","5","4","1") = "5"
    & skf21("6","2","1","5","1","5","5","1") = "5"
    & skf21("6","2","1","5","1","5","6","1") = "5"
    & skf21("6","2","1","5","1","5","7","1") = "6"
    & skf21("6","2","1","5","1","6","1","1") = "5"
    & skf21("6","2","1","5","1","6","2","1") = "5"
    & skf21("6","2","1","5","1","6","3","1") = "5"
    & skf21("6","2","1","5","1","6","4","1") = "5"
    & skf21("6","2","1","5","1","6","5","1") = "5"
    & skf21("6","2","1","5","1","6","6","1") = "5"
    & skf21("6","2","1","5","1","6","7","1") = "6"
    & skf21("6","2","1","5","1","7","1","1") = "6"
    & skf21("6","2","1","5","1","7","2","1") = "6"
    & skf21("6","2","1","5","1","7","3","1") = "6"
    & skf21("6","2","1","5","1","7","4","1") = "6"
    & skf21("6","2","1","5","1","7","5","1") = "6"
    & skf21("6","2","1","5","1","7","6","1") = "6"
    & skf21("6","2","1","5","1","7","7","1") = "6"
    & skf21("6","2","1","5","2","1","1","1") = "5"
    & skf21("6","2","1","5","2","1","2","1") = "5"
    & skf21("6","2","1","5","2","1","3","1") = "5"
    & skf21("6","2","1","5","2","1","4","1") = "5"
    & skf21("6","2","1","5","2","1","5","1") = "5"
    & skf21("6","2","1","5","2","1","6","1") = "5"
    & skf21("6","2","1","5","2","1","7","1") = "6"
    & skf21("6","2","1","5","2","2","1","1") = "5"
    & skf21("6","2","1","5","2","2","2","1") = "5"
    & skf21("6","2","1","5","2","2","3","1") = "5"
    & skf21("6","2","1","5","2","2","4","1") = "5"
    & skf21("6","2","1","5","2","2","5","1") = "5"
    & skf21("6","2","1","5","2","2","6","1") = "5"
    & skf21("6","2","1","5","2","2","7","1") = "6"
    & skf21("6","2","1","5","2","3","1","1") = "5"
    & skf21("6","2","1","5","2","3","2","1") = "5"
    & skf21("6","2","1","5","2","3","3","1") = "5"
    & skf21("6","2","1","5","2","3","4","1") = "5"
    & skf21("6","2","1","5","2","3","5","1") = "5"
    & skf21("6","2","1","5","2","3","6","1") = "5"
    & skf21("6","2","1","5","2","3","7","1") = "6"
    & skf21("6","2","1","5","2","4","1","1") = "5"
    & skf21("6","2","1","5","2","4","2","1") = "5"
    & skf21("6","2","1","5","2","4","3","1") = "5"
    & skf21("6","2","1","5","2","4","4","1") = "5"
    & skf21("6","2","1","5","2","4","5","1") = "5"
    & skf21("6","2","1","5","2","4","6","1") = "5"
    & skf21("6","2","1","5","2","4","7","1") = "6"
    & skf21("6","2","1","5","2","5","1","1") = "5"
    & skf21("6","2","1","5","2","5","2","1") = "5"
    & skf21("6","2","1","5","2","5","3","1") = "5"
    & skf21("6","2","1","5","2","5","4","1") = "5"
    & skf21("6","2","1","5","2","5","5","1") = "5"
    & skf21("6","2","1","5","2","5","6","1") = "5"
    & skf21("6","2","1","5","2","5","7","1") = "6"
    & skf21("6","2","1","5","2","6","1","1") = "5"
    & skf21("6","2","1","5","2","6","2","1") = "5"
    & skf21("6","2","1","5","2","6","3","1") = "5"
    & skf21("6","2","1","5","2","6","4","1") = "5"
    & skf21("6","2","1","5","2","6","5","1") = "5"
    & skf21("6","2","1","5","2","6","6","1") = "5"
    & skf21("6","2","1","5","2","6","7","1") = "6"
    & skf21("6","2","1","5","2","7","1","1") = "6"
    & skf21("6","2","1","5","2","7","2","1") = "6"
    & skf21("6","2","1","5","2","7","3","1") = "6"
    & skf21("6","2","1","5","2","7","4","1") = "6"
    & skf21("6","2","1","5","2","7","5","1") = "6"
    & skf21("6","2","1","5","2","7","6","1") = "6"
    & skf21("6","2","1","5","2","7","7","1") = "6"
    & skf21("6","2","1","5","3","1","1","1") = "5"
    & skf21("6","2","1","5","3","1","2","1") = "5"
    & skf21("6","2","1","5","3","1","3","1") = "5"
    & skf21("6","2","1","5","3","1","4","1") = "5"
    & skf21("6","2","1","5","3","1","5","1") = "5"
    & skf21("6","2","1","5","3","1","6","1") = "5"
    & skf21("6","2","1","5","3","1","7","1") = "6"
    & skf21("6","2","1","5","3","2","1","1") = "5"
    & skf21("6","2","1","5","3","2","2","1") = "5"
    & skf21("6","2","1","5","3","2","3","1") = "5"
    & skf21("6","2","1","5","3","2","4","1") = "5"
    & skf21("6","2","1","5","3","2","5","1") = "5"
    & skf21("6","2","1","5","3","2","6","1") = "5"
    & skf21("6","2","1","5","3","2","7","1") = "6"
    & skf21("6","2","1","5","3","3","1","1") = "5"
    & skf21("6","2","1","5","3","3","2","1") = "5"
    & skf21("6","2","1","5","3","3","3","1") = "5"
    & skf21("6","2","1","5","3","3","4","1") = "5"
    & skf21("6","2","1","5","3","3","5","1") = "5"
    & skf21("6","2","1","5","3","3","6","1") = "5"
    & skf21("6","2","1","5","3","3","7","1") = "6"
    & skf21("6","2","1","5","3","4","1","1") = "5"
    & skf21("6","2","1","5","3","4","2","1") = "5"
    & skf21("6","2","1","5","3","4","3","1") = "5"
    & skf21("6","2","1","5","3","4","4","1") = "5"
    & skf21("6","2","1","5","3","4","5","1") = "5"
    & skf21("6","2","1","5","3","4","6","1") = "5"
    & skf21("6","2","1","5","3","4","7","1") = "6"
    & skf21("6","2","1","5","3","5","1","1") = "5"
    & skf21("6","2","1","5","3","5","2","1") = "5"
    & skf21("6","2","1","5","3","5","3","1") = "5"
    & skf21("6","2","1","5","3","5","4","1") = "5"
    & skf21("6","2","1","5","3","5","5","1") = "5"
    & skf21("6","2","1","5","3","5","6","1") = "5"
    & skf21("6","2","1","5","3","5","7","1") = "6"
    & skf21("6","2","1","5","3","6","1","1") = "5"
    & skf21("6","2","1","5","3","6","2","1") = "5"
    & skf21("6","2","1","5","3","6","3","1") = "5"
    & skf21("6","2","1","5","3","6","4","1") = "5"
    & skf21("6","2","1","5","3","6","5","1") = "5"
    & skf21("6","2","1","5","3","6","6","1") = "5"
    & skf21("6","2","1","5","3","6","7","1") = "6"
    & skf21("6","2","1","5","3","7","1","1") = "6"
    & skf21("6","2","1","5","3","7","2","1") = "6"
    & skf21("6","2","1","5","3","7","3","1") = "6"
    & skf21("6","2","1","5","3","7","4","1") = "6"
    & skf21("6","2","1","5","3","7","5","1") = "6"
    & skf21("6","2","1","5","3","7","6","1") = "6"
    & skf21("6","2","1","5","3","7","7","1") = "6"
    & skf21("6","2","1","5","4","1","1","1") = "5"
    & skf21("6","2","1","5","4","1","2","1") = "5"
    & skf21("6","2","1","5","4","1","3","1") = "5"
    & skf21("6","2","1","5","4","1","4","1") = "5"
    & skf21("6","2","1","5","4","1","5","1") = "5"
    & skf21("6","2","1","5","4","1","6","1") = "5"
    & skf21("6","2","1","5","4","1","7","1") = "6"
    & skf21("6","2","1","5","4","2","1","1") = "5"
    & skf21("6","2","1","5","4","2","2","1") = "5"
    & skf21("6","2","1","5","4","2","3","1") = "5"
    & skf21("6","2","1","5","4","2","4","1") = "5"
    & skf21("6","2","1","5","4","2","5","1") = "5"
    & skf21("6","2","1","5","4","2","6","1") = "5"
    & skf21("6","2","1","5","4","2","7","1") = "6"
    & skf21("6","2","1","5","4","3","1","1") = "5"
    & skf21("6","2","1","5","4","3","2","1") = "5"
    & skf21("6","2","1","5","4","3","3","1") = "5"
    & skf21("6","2","1","5","4","3","4","1") = "5"
    & skf21("6","2","1","5","4","3","5","1") = "5"
    & skf21("6","2","1","5","4","3","6","1") = "5"
    & skf21("6","2","1","5","4","3","7","1") = "6"
    & skf21("6","2","1","5","4","4","1","1") = "5"
    & skf21("6","2","1","5","4","4","2","1") = "5"
    & skf21("6","2","1","5","4","4","3","1") = "5"
    & skf21("6","2","1","5","4","4","4","1") = "5"
    & skf21("6","2","1","5","4","4","5","1") = "5"
    & skf21("6","2","1","5","4","4","6","1") = "5"
    & skf21("6","2","1","5","4","4","7","1") = "6"
    & skf21("6","2","1","5","4","5","1","1") = "5"
    & skf21("6","2","1","5","4","5","2","1") = "5"
    & skf21("6","2","1","5","4","5","3","1") = "5"
    & skf21("6","2","1","5","4","5","4","1") = "5"
    & skf21("6","2","1","5","4","5","5","1") = "5"
    & skf21("6","2","1","5","4","5","6","1") = "5"
    & skf21("6","2","1","5","4","5","7","1") = "6"
    & skf21("6","2","1","5","4","6","1","1") = "5"
    & skf21("6","2","1","5","4","6","2","1") = "5"
    & skf21("6","2","1","5","4","6","3","1") = "5"
    & skf21("6","2","1","5","4","6","4","1") = "5"
    & skf21("6","2","1","5","4","6","5","1") = "5"
    & skf21("6","2","1","5","4","6","6","1") = "5"
    & skf21("6","2","1","5","4","6","7","1") = "6"
    & skf21("6","2","1","5","4","7","1","1") = "6"
    & skf21("6","2","1","5","4","7","2","1") = "6"
    & skf21("6","2","1","5","4","7","3","1") = "6"
    & skf21("6","2","1","5","4","7","4","1") = "6"
    & skf21("6","2","1","5","4","7","5","1") = "6"
    & skf21("6","2","1","5","4","7","6","1") = "6"
    & skf21("6","2","1","5","4","7","7","1") = "6"
    & skf21("6","2","1","5","5","1","1","1") = "5"
    & skf21("6","2","1","5","5","1","2","1") = "5"
    & skf21("6","2","1","5","5","1","3","1") = "5"
    & skf21("6","2","1","5","5","1","4","1") = "5"
    & skf21("6","2","1","5","5","1","5","1") = "5"
    & skf21("6","2","1","5","5","1","6","1") = "5"
    & skf21("6","2","1","5","5","1","7","1") = "6"
    & skf21("6","2","1","5","5","2","1","1") = "5"
    & skf21("6","2","1","5","5","2","2","1") = "5"
    & skf21("6","2","1","5","5","2","3","1") = "5"
    & skf21("6","2","1","5","5","2","4","1") = "5"
    & skf21("6","2","1","5","5","2","5","1") = "5"
    & skf21("6","2","1","5","5","2","6","1") = "5"
    & skf21("6","2","1","5","5","2","7","1") = "6"
    & skf21("6","2","1","5","5","3","1","1") = "5"
    & skf21("6","2","1","5","5","3","2","1") = "5"
    & skf21("6","2","1","5","5","3","3","1") = "5"
    & skf21("6","2","1","5","5","3","4","1") = "5"
    & skf21("6","2","1","5","5","3","5","1") = "5"
    & skf21("6","2","1","5","5","3","6","1") = "5"
    & skf21("6","2","1","5","5","3","7","1") = "6"
    & skf21("6","2","1","5","5","4","1","1") = "5"
    & skf21("6","2","1","5","5","4","2","1") = "5"
    & skf21("6","2","1","5","5","4","3","1") = "5"
    & skf21("6","2","1","5","5","4","4","1") = "5"
    & skf21("6","2","1","5","5","4","5","1") = "5"
    & skf21("6","2","1","5","5","4","6","1") = "5"
    & skf21("6","2","1","5","5","4","7","1") = "6"
    & skf21("6","2","1","5","5","5","1","1") = "5"
    & skf21("6","2","1","5","5","5","2","1") = "5"
    & skf21("6","2","1","5","5","5","3","1") = "5"
    & skf21("6","2","1","5","5","5","4","1") = "5"
    & skf21("6","2","1","5","5","5","5","1") = "5"
    & skf21("6","2","1","5","5","5","6","1") = "5"
    & skf21("6","2","1","5","5","5","7","1") = "6"
    & skf21("6","2","1","5","5","6","1","1") = "5"
    & skf21("6","2","1","5","5","6","2","1") = "5"
    & skf21("6","2","1","5","5","6","3","1") = "5"
    & skf21("6","2","1","5","5","6","4","1") = "5"
    & skf21("6","2","1","5","5","6","5","1") = "5"
    & skf21("6","2","1","5","5","6","6","1") = "5"
    & skf21("6","2","1","5","5","6","7","1") = "6"
    & skf21("6","2","1","5","5","7","1","1") = "6"
    & skf21("6","2","1","5","5","7","2","1") = "6"
    & skf21("6","2","1","5","5","7","3","1") = "6"
    & skf21("6","2","1","5","5","7","4","1") = "6"
    & skf21("6","2","1","5","5","7","5","1") = "6"
    & skf21("6","2","1","5","5","7","6","1") = "6"
    & skf21("6","2","1","5","5","7","7","1") = "6"
    & skf21("6","2","1","5","6","1","1","1") = "5"
    & skf21("6","2","1","5","6","1","2","1") = "5"
    & skf21("6","2","1","5","6","1","3","1") = "5"
    & skf21("6","2","1","5","6","1","4","1") = "5"
    & skf21("6","2","1","5","6","1","5","1") = "5"
    & skf21("6","2","1","5","6","1","6","1") = "5"
    & skf21("6","2","1","5","6","1","7","1") = "6"
    & skf21("6","2","1","5","6","2","1","1") = "5"
    & skf21("6","2","1","5","6","2","2","1") = "5"
    & skf21("6","2","1","5","6","2","3","1") = "5"
    & skf21("6","2","1","5","6","2","4","1") = "5"
    & skf21("6","2","1","5","6","2","5","1") = "5"
    & skf21("6","2","1","5","6","2","6","1") = "5"
    & skf21("6","2","1","5","6","2","7","1") = "6"
    & skf21("6","2","1","5","6","3","1","1") = "5"
    & skf21("6","2","1","5","6","3","2","1") = "5"
    & skf21("6","2","1","5","6","3","3","1") = "5"
    & skf21("6","2","1","5","6","3","4","1") = "5"
    & skf21("6","2","1","5","6","3","5","1") = "5"
    & skf21("6","2","1","5","6","3","6","1") = "5"
    & skf21("6","2","1","5","6","3","7","1") = "6"
    & skf21("6","2","1","5","6","4","1","1") = "5"
    & skf21("6","2","1","5","6","4","2","1") = "5"
    & skf21("6","2","1","5","6","4","3","1") = "5"
    & skf21("6","2","1","5","6","4","4","1") = "5"
    & skf21("6","2","1","5","6","4","5","1") = "5"
    & skf21("6","2","1","5","6","4","6","1") = "5"
    & skf21("6","2","1","5","6","4","7","1") = "6"
    & skf21("6","2","1","5","6","5","1","1") = "5"
    & skf21("6","2","1","5","6","5","2","1") = "5"
    & skf21("6","2","1","5","6","5","3","1") = "5"
    & skf21("6","2","1","5","6","5","4","1") = "5"
    & skf21("6","2","1","5","6","5","5","1") = "5"
    & skf21("6","2","1","5","6","5","6","1") = "5"
    & skf21("6","2","1","5","6","5","7","1") = "6"
    & skf21("6","2","1","5","6","6","1","1") = "5"
    & skf21("6","2","1","5","6","6","2","1") = "5"
    & skf21("6","2","1","5","6","6","3","1") = "5"
    & skf21("6","2","1","5","6","6","4","1") = "5"
    & skf21("6","2","1","5","6","6","5","1") = "5"
    & skf21("6","2","1","5","6","6","6","1") = "5"
    & skf21("6","2","1","5","6","6","7","1") = "6"
    & skf21("6","2","1","5","6","7","1","1") = "6"
    & skf21("6","2","1","5","6","7","2","1") = "6"
    & skf21("6","2","1","5","6","7","3","1") = "6"
    & skf21("6","2","1","5","6","7","4","1") = "6"
    & skf21("6","2","1","5","6","7","5","1") = "6"
    & skf21("6","2","1","5","6","7","6","1") = "6"
    & skf21("6","2","1","5","6","7","7","1") = "6"
    & skf21("6","2","1","5","7","1","1","1") = "6"
    & skf21("6","2","1","5","7","1","2","1") = "6"
    & skf21("6","2","1","5","7","1","3","1") = "6"
    & skf21("6","2","1","5","7","1","4","1") = "6"
    & skf21("6","2","1","5","7","1","5","1") = "6"
    & skf21("6","2","1","5","7","1","6","1") = "6"
    & skf21("6","2","1","5","7","1","7","1") = "6"
    & skf21("6","2","1","5","7","2","1","1") = "6"
    & skf21("6","2","1","5","7","2","2","1") = "6"
    & skf21("6","2","1","5","7","2","3","1") = "6"
    & skf21("6","2","1","5","7","2","4","1") = "6"
    & skf21("6","2","1","5","7","2","5","1") = "6"
    & skf21("6","2","1","5","7","2","6","1") = "6"
    & skf21("6","2","1","5","7","2","7","1") = "6"
    & skf21("6","2","1","5","7","3","1","1") = "6"
    & skf21("6","2","1","5","7","3","2","1") = "6"
    & skf21("6","2","1","5","7","3","3","1") = "6"
    & skf21("6","2","1","5","7","3","4","1") = "6"
    & skf21("6","2","1","5","7","3","5","1") = "6"
    & skf21("6","2","1","5","7","3","6","1") = "6"
    & skf21("6","2","1","5","7","3","7","1") = "6"
    & skf21("6","2","1","5","7","4","1","1") = "6"
    & skf21("6","2","1","5","7","4","2","1") = "6"
    & skf21("6","2","1","5","7","4","3","1") = "6"
    & skf21("6","2","1","5","7","4","4","1") = "6"
    & skf21("6","2","1","5","7","4","5","1") = "6"
    & skf21("6","2","1","5","7","4","6","1") = "6"
    & skf21("6","2","1","5","7","4","7","1") = "6"
    & skf21("6","2","1","5","7","5","1","1") = "6"
    & skf21("6","2","1","5","7","5","2","1") = "6"
    & skf21("6","2","1","5","7","5","3","1") = "6"
    & skf21("6","2","1","5","7","5","4","1") = "6"
    & skf21("6","2","1","5","7","5","5","1") = "6"
    & skf21("6","2","1","5","7","5","6","1") = "6"
    & skf21("6","2","1","5","7","5","7","1") = "6"
    & skf21("6","2","1","5","7","6","1","1") = "6"
    & skf21("6","2","1","5","7","6","2","1") = "6"
    & skf21("6","2","1","5","7","6","3","1") = "6"
    & skf21("6","2","1","5","7","6","4","1") = "6"
    & skf21("6","2","1","5","7","6","5","1") = "6"
    & skf21("6","2","1","5","7","6","6","1") = "6"
    & skf21("6","2","1","5","7","6","7","1") = "6"
    & skf21("6","2","1","5","7","7","1","1") = "6"
    & skf21("6","2","1","5","7","7","2","1") = "6"
    & skf21("6","2","1","5","7","7","3","1") = "6"
    & skf21("6","2","1","5","7","7","4","1") = "6"
    & skf21("6","2","1","5","7","7","5","1") = "6"
    & skf21("6","2","1","5","7","7","6","1") = "6"
    & skf21("6","2","1","5","7","7","7","1") = "6"
    & skf21("6","2","1","6","1","1","1","1") = "5"
    & skf21("6","2","1","6","1","1","2","1") = "5"
    & skf21("6","2","1","6","1","1","3","1") = "5"
    & skf21("6","2","1","6","1","1","4","1") = "5"
    & skf21("6","2","1","6","1","1","5","1") = "5"
    & skf21("6","2","1","6","1","1","6","1") = "5"
    & skf21("6","2","1","6","1","1","7","1") = "6"
    & skf21("6","2","1","6","1","2","1","1") = "5"
    & skf21("6","2","1","6","1","2","2","1") = "5"
    & skf21("6","2","1","6","1","2","3","1") = "5"
    & skf21("6","2","1","6","1","2","4","1") = "5"
    & skf21("6","2","1","6","1","2","5","1") = "5"
    & skf21("6","2","1","6","1","2","6","1") = "5"
    & skf21("6","2","1","6","1","2","7","1") = "6"
    & skf21("6","2","1","6","1","3","1","1") = "5"
    & skf21("6","2","1","6","1","3","2","1") = "5"
    & skf21("6","2","1","6","1","3","3","1") = "5"
    & skf21("6","2","1","6","1","3","4","1") = "5"
    & skf21("6","2","1","6","1","3","5","1") = "5"
    & skf21("6","2","1","6","1","3","6","1") = "5"
    & skf21("6","2","1","6","1","3","7","1") = "6"
    & skf21("6","2","1","6","1","4","1","1") = "5"
    & skf21("6","2","1","6","1","4","2","1") = "5"
    & skf21("6","2","1","6","1","4","3","1") = "5"
    & skf21("6","2","1","6","1","4","4","1") = "5"
    & skf21("6","2","1","6","1","4","5","1") = "5"
    & skf21("6","2","1","6","1","4","6","1") = "5"
    & skf21("6","2","1","6","1","4","7","1") = "6"
    & skf21("6","2","1","6","1","5","1","1") = "5"
    & skf21("6","2","1","6","1","5","2","1") = "5"
    & skf21("6","2","1","6","1","5","3","1") = "5"
    & skf21("6","2","1","6","1","5","4","1") = "5"
    & skf21("6","2","1","6","1","5","5","1") = "5"
    & skf21("6","2","1","6","1","5","6","1") = "5"
    & skf21("6","2","1","6","1","5","7","1") = "6"
    & skf21("6","2","1","6","1","6","1","1") = "5"
    & skf21("6","2","1","6","1","6","2","1") = "5"
    & skf21("6","2","1","6","1","6","3","1") = "5"
    & skf21("6","2","1","6","1","6","4","1") = "5"
    & skf21("6","2","1","6","1","6","5","1") = "5"
    & skf21("6","2","1","6","1","6","6","1") = "5"
    & skf21("6","2","1","6","1","6","7","1") = "6"
    & skf21("6","2","1","6","1","7","1","1") = "6"
    & skf21("6","2","1","6","1","7","2","1") = "6"
    & skf21("6","2","1","6","1","7","3","1") = "6"
    & skf21("6","2","1","6","1","7","4","1") = "6"
    & skf21("6","2","1","6","1","7","5","1") = "6"
    & skf21("6","2","1","6","1","7","6","1") = "6"
    & skf21("6","2","1","6","1","7","7","1") = "6"
    & skf21("6","2","1","6","2","1","1","1") = "5"
    & skf21("6","2","1","6","2","1","2","1") = "5"
    & skf21("6","2","1","6","2","1","3","1") = "5"
    & skf21("6","2","1","6","2","1","4","1") = "5"
    & skf21("6","2","1","6","2","1","5","1") = "5"
    & skf21("6","2","1","6","2","1","6","1") = "5"
    & skf21("6","2","1","6","2","1","7","1") = "6"
    & skf21("6","2","1","6","2","2","1","1") = "5"
    & skf21("6","2","1","6","2","2","2","1") = "5"
    & skf21("6","2","1","6","2","2","3","1") = "5"
    & skf21("6","2","1","6","2","2","4","1") = "5"
    & skf21("6","2","1","6","2","2","5","1") = "5"
    & skf21("6","2","1","6","2","2","6","1") = "5"
    & skf21("6","2","1","6","2","2","7","1") = "6"
    & skf21("6","2","1","6","2","3","1","1") = "5"
    & skf21("6","2","1","6","2","3","2","1") = "5"
    & skf21("6","2","1","6","2","3","3","1") = "5"
    & skf21("6","2","1","6","2","3","4","1") = "5"
    & skf21("6","2","1","6","2","3","5","1") = "5"
    & skf21("6","2","1","6","2","3","6","1") = "5"
    & skf21("6","2","1","6","2","3","7","1") = "6"
    & skf21("6","2","1","6","2","4","1","1") = "5"
    & skf21("6","2","1","6","2","4","2","1") = "5"
    & skf21("6","2","1","6","2","4","3","1") = "5"
    & skf21("6","2","1","6","2","4","4","1") = "5"
    & skf21("6","2","1","6","2","4","5","1") = "5"
    & skf21("6","2","1","6","2","4","6","1") = "5"
    & skf21("6","2","1","6","2","4","7","1") = "6"
    & skf21("6","2","1","6","2","5","1","1") = "5"
    & skf21("6","2","1","6","2","5","2","1") = "5"
    & skf21("6","2","1","6","2","5","3","1") = "5"
    & skf21("6","2","1","6","2","5","4","1") = "5"
    & skf21("6","2","1","6","2","5","5","1") = "5"
    & skf21("6","2","1","6","2","5","6","1") = "5"
    & skf21("6","2","1","6","2","5","7","1") = "6"
    & skf21("6","2","1","6","2","6","1","1") = "5"
    & skf21("6","2","1","6","2","6","2","1") = "5"
    & skf21("6","2","1","6","2","6","3","1") = "5"
    & skf21("6","2","1","6","2","6","4","1") = "5"
    & skf21("6","2","1","6","2","6","5","1") = "5"
    & skf21("6","2","1","6","2","6","6","1") = "5"
    & skf21("6","2","1","6","2","6","7","1") = "6"
    & skf21("6","2","1","6","2","7","1","1") = "6"
    & skf21("6","2","1","6","2","7","2","1") = "6"
    & skf21("6","2","1","6","2","7","3","1") = "6"
    & skf21("6","2","1","6","2","7","4","1") = "6"
    & skf21("6","2","1","6","2","7","5","1") = "6"
    & skf21("6","2","1","6","2","7","6","1") = "6"
    & skf21("6","2","1","6","2","7","7","1") = "6"
    & skf21("6","2","1","6","3","1","1","1") = "5"
    & skf21("6","2","1","6","3","1","2","1") = "5"
    & skf21("6","2","1","6","3","1","3","1") = "5"
    & skf21("6","2","1","6","3","1","4","1") = "5"
    & skf21("6","2","1","6","3","1","5","1") = "5"
    & skf21("6","2","1","6","3","1","6","1") = "5"
    & skf21("6","2","1","6","3","1","7","1") = "6"
    & skf21("6","2","1","6","3","2","1","1") = "5"
    & skf21("6","2","1","6","3","2","2","1") = "5"
    & skf21("6","2","1","6","3","2","3","1") = "5"
    & skf21("6","2","1","6","3","2","4","1") = "5"
    & skf21("6","2","1","6","3","2","5","1") = "5"
    & skf21("6","2","1","6","3","2","6","1") = "5"
    & skf21("6","2","1","6","3","2","7","1") = "6"
    & skf21("6","2","1","6","3","3","1","1") = "5"
    & skf21("6","2","1","6","3","3","2","1") = "5"
    & skf21("6","2","1","6","3","3","3","1") = "5"
    & skf21("6","2","1","6","3","3","4","1") = "5"
    & skf21("6","2","1","6","3","3","5","1") = "5"
    & skf21("6","2","1","6","3","3","6","1") = "5"
    & skf21("6","2","1","6","3","3","7","1") = "6"
    & skf21("6","2","1","6","3","4","1","1") = "5"
    & skf21("6","2","1","6","3","4","2","1") = "5"
    & skf21("6","2","1","6","3","4","3","1") = "5"
    & skf21("6","2","1","6","3","4","4","1") = "5"
    & skf21("6","2","1","6","3","4","5","1") = "5"
    & skf21("6","2","1","6","3","4","6","1") = "5"
    & skf21("6","2","1","6","3","4","7","1") = "6"
    & skf21("6","2","1","6","3","5","1","1") = "5"
    & skf21("6","2","1","6","3","5","2","1") = "5"
    & skf21("6","2","1","6","3","5","3","1") = "5"
    & skf21("6","2","1","6","3","5","4","1") = "5"
    & skf21("6","2","1","6","3","5","5","1") = "5"
    & skf21("6","2","1","6","3","5","6","1") = "5"
    & skf21("6","2","1","6","3","5","7","1") = "6"
    & skf21("6","2","1","6","3","6","1","1") = "5"
    & skf21("6","2","1","6","3","6","2","1") = "5"
    & skf21("6","2","1","6","3","6","3","1") = "5"
    & skf21("6","2","1","6","3","6","4","1") = "5"
    & skf21("6","2","1","6","3","6","5","1") = "5"
    & skf21("6","2","1","6","3","6","6","1") = "5"
    & skf21("6","2","1","6","3","6","7","1") = "6"
    & skf21("6","2","1","6","3","7","1","1") = "6"
    & skf21("6","2","1","6","3","7","2","1") = "6"
    & skf21("6","2","1","6","3","7","3","1") = "6"
    & skf21("6","2","1","6","3","7","4","1") = "6"
    & skf21("6","2","1","6","3","7","5","1") = "6"
    & skf21("6","2","1","6","3","7","6","1") = "6"
    & skf21("6","2","1","6","3","7","7","1") = "6"
    & skf21("6","2","1","6","4","1","1","1") = "5"
    & skf21("6","2","1","6","4","1","2","1") = "5"
    & skf21("6","2","1","6","4","1","3","1") = "5"
    & skf21("6","2","1","6","4","1","4","1") = "5"
    & skf21("6","2","1","6","4","1","5","1") = "5"
    & skf21("6","2","1","6","4","1","6","1") = "5"
    & skf21("6","2","1","6","4","1","7","1") = "6"
    & skf21("6","2","1","6","4","2","1","1") = "5"
    & skf21("6","2","1","6","4","2","2","1") = "5"
    & skf21("6","2","1","6","4","2","3","1") = "5"
    & skf21("6","2","1","6","4","2","4","1") = "5"
    & skf21("6","2","1","6","4","2","5","1") = "5"
    & skf21("6","2","1","6","4","2","6","1") = "5"
    & skf21("6","2","1","6","4","2","7","1") = "6"
    & skf21("6","2","1","6","4","3","1","1") = "5"
    & skf21("6","2","1","6","4","3","2","1") = "5"
    & skf21("6","2","1","6","4","3","3","1") = "5"
    & skf21("6","2","1","6","4","3","4","1") = "5"
    & skf21("6","2","1","6","4","3","5","1") = "5"
    & skf21("6","2","1","6","4","3","6","1") = "5"
    & skf21("6","2","1","6","4","3","7","1") = "6"
    & skf21("6","2","1","6","4","4","1","1") = "5"
    & skf21("6","2","1","6","4","4","2","1") = "5"
    & skf21("6","2","1","6","4","4","3","1") = "5"
    & skf21("6","2","1","6","4","4","4","1") = "5"
    & skf21("6","2","1","6","4","4","5","1") = "5"
    & skf21("6","2","1","6","4","4","6","1") = "5"
    & skf21("6","2","1","6","4","4","7","1") = "6"
    & skf21("6","2","1","6","4","5","1","1") = "5"
    & skf21("6","2","1","6","4","5","2","1") = "5"
    & skf21("6","2","1","6","4","5","3","1") = "5"
    & skf21("6","2","1","6","4","5","4","1") = "5"
    & skf21("6","2","1","6","4","5","5","1") = "5"
    & skf21("6","2","1","6","4","5","6","1") = "5"
    & skf21("6","2","1","6","4","5","7","1") = "6"
    & skf21("6","2","1","6","4","6","1","1") = "5"
    & skf21("6","2","1","6","4","6","2","1") = "5"
    & skf21("6","2","1","6","4","6","3","1") = "5"
    & skf21("6","2","1","6","4","6","4","1") = "5"
    & skf21("6","2","1","6","4","6","5","1") = "5"
    & skf21("6","2","1","6","4","6","6","1") = "5"
    & skf21("6","2","1","6","4","6","7","1") = "6"
    & skf21("6","2","1","6","4","7","1","1") = "6"
    & skf21("6","2","1","6","4","7","2","1") = "6"
    & skf21("6","2","1","6","4","7","3","1") = "6"
    & skf21("6","2","1","6","4","7","4","1") = "6"
    & skf21("6","2","1","6","4","7","5","1") = "6"
    & skf21("6","2","1","6","4","7","6","1") = "6"
    & skf21("6","2","1","6","4","7","7","1") = "6"
    & skf21("6","2","1","6","5","1","1","1") = "5"
    & skf21("6","2","1","6","5","1","2","1") = "5"
    & skf21("6","2","1","6","5","1","3","1") = "5"
    & skf21("6","2","1","6","5","1","4","1") = "5"
    & skf21("6","2","1","6","5","1","5","1") = "5"
    & skf21("6","2","1","6","5","1","6","1") = "5"
    & skf21("6","2","1","6","5","1","7","1") = "6"
    & skf21("6","2","1","6","5","2","1","1") = "5"
    & skf21("6","2","1","6","5","2","2","1") = "5"
    & skf21("6","2","1","6","5","2","3","1") = "5"
    & skf21("6","2","1","6","5","2","4","1") = "5"
    & skf21("6","2","1","6","5","2","5","1") = "5"
    & skf21("6","2","1","6","5","2","6","1") = "5"
    & skf21("6","2","1","6","5","2","7","1") = "6"
    & skf21("6","2","1","6","5","3","1","1") = "5"
    & skf21("6","2","1","6","5","3","2","1") = "5"
    & skf21("6","2","1","6","5","3","3","1") = "5"
    & skf21("6","2","1","6","5","3","4","1") = "5"
    & skf21("6","2","1","6","5","3","5","1") = "5"
    & skf21("6","2","1","6","5","3","6","1") = "5"
    & skf21("6","2","1","6","5","3","7","1") = "6"
    & skf21("6","2","1","6","5","4","1","1") = "5"
    & skf21("6","2","1","6","5","4","2","1") = "5"
    & skf21("6","2","1","6","5","4","3","1") = "5"
    & skf21("6","2","1","6","5","4","4","1") = "5"
    & skf21("6","2","1","6","5","4","5","1") = "5"
    & skf21("6","2","1","6","5","4","6","1") = "5"
    & skf21("6","2","1","6","5","4","7","1") = "6"
    & skf21("6","2","1","6","5","5","1","1") = "5"
    & skf21("6","2","1","6","5","5","2","1") = "5"
    & skf21("6","2","1","6","5","5","3","1") = "5"
    & skf21("6","2","1","6","5","5","4","1") = "5"
    & skf21("6","2","1","6","5","5","5","1") = "5"
    & skf21("6","2","1","6","5","5","6","1") = "5"
    & skf21("6","2","1","6","5","5","7","1") = "6"
    & skf21("6","2","1","6","5","6","1","1") = "5"
    & skf21("6","2","1","6","5","6","2","1") = "5"
    & skf21("6","2","1","6","5","6","3","1") = "5"
    & skf21("6","2","1","6","5","6","4","1") = "5"
    & skf21("6","2","1","6","5","6","5","1") = "5"
    & skf21("6","2","1","6","5","6","6","1") = "5"
    & skf21("6","2","1","6","5","6","7","1") = "6"
    & skf21("6","2","1","6","5","7","1","1") = "6"
    & skf21("6","2","1","6","5","7","2","1") = "6"
    & skf21("6","2","1","6","5","7","3","1") = "6"
    & skf21("6","2","1","6","5","7","4","1") = "6"
    & skf21("6","2","1","6","5","7","5","1") = "6"
    & skf21("6","2","1","6","5","7","6","1") = "6"
    & skf21("6","2","1","6","5","7","7","1") = "6"
    & skf21("6","2","1","6","6","1","1","1") = "5"
    & skf21("6","2","1","6","6","1","2","1") = "5"
    & skf21("6","2","1","6","6","1","3","1") = "5"
    & skf21("6","2","1","6","6","1","4","1") = "5"
    & skf21("6","2","1","6","6","1","5","1") = "5"
    & skf21("6","2","1","6","6","1","6","1") = "5"
    & skf21("6","2","1","6","6","1","7","1") = "6"
    & skf21("6","2","1","6","6","2","1","1") = "5"
    & skf21("6","2","1","6","6","2","2","1") = "5"
    & skf21("6","2","1","6","6","2","3","1") = "5"
    & skf21("6","2","1","6","6","2","4","1") = "5"
    & skf21("6","2","1","6","6","2","5","1") = "5"
    & skf21("6","2","1","6","6","2","6","1") = "5"
    & skf21("6","2","1","6","6","2","7","1") = "6"
    & skf21("6","2","1","6","6","3","1","1") = "5"
    & skf21("6","2","1","6","6","3","2","1") = "5"
    & skf21("6","2","1","6","6","3","3","1") = "5"
    & skf21("6","2","1","6","6","3","4","1") = "5"
    & skf21("6","2","1","6","6","3","5","1") = "5"
    & skf21("6","2","1","6","6","3","6","1") = "5"
    & skf21("6","2","1","6","6","3","7","1") = "6"
    & skf21("6","2","1","6","6","4","1","1") = "5"
    & skf21("6","2","1","6","6","4","2","1") = "5"
    & skf21("6","2","1","6","6","4","3","1") = "5"
    & skf21("6","2","1","6","6","4","4","1") = "5"
    & skf21("6","2","1","6","6","4","5","1") = "5"
    & skf21("6","2","1","6","6","4","6","1") = "5"
    & skf21("6","2","1","6","6","4","7","1") = "6"
    & skf21("6","2","1","6","6","5","1","1") = "5"
    & skf21("6","2","1","6","6","5","2","1") = "5"
    & skf21("6","2","1","6","6","5","3","1") = "5"
    & skf21("6","2","1","6","6","5","4","1") = "5"
    & skf21("6","2","1","6","6","5","5","1") = "5"
    & skf21("6","2","1","6","6","5","6","1") = "5"
    & skf21("6","2","1","6","6","5","7","1") = "6"
    & skf21("6","2","1","6","6","6","1","1") = "5"
    & skf21("6","2","1","6","6","6","2","1") = "5"
    & skf21("6","2","1","6","6","6","3","1") = "5"
    & skf21("6","2","1","6","6","6","4","1") = "5"
    & skf21("6","2","1","6","6","6","5","1") = "5"
    & skf21("6","2","1","6","6","6","6","1") = "5"
    & skf21("6","2","1","6","6","6","7","1") = "6"
    & skf21("6","2","1","6","6","7","1","1") = "6"
    & skf21("6","2","1","6","6","7","2","1") = "6"
    & skf21("6","2","1","6","6","7","3","1") = "6"
    & skf21("6","2","1","6","6","7","4","1") = "6"
    & skf21("6","2","1","6","6","7","5","1") = "6"
    & skf21("6","2","1","6","6","7","6","1") = "6"
    & skf21("6","2","1","6","6","7","7","1") = "6"
    & skf21("6","2","1","6","7","1","1","1") = "6"
    & skf21("6","2","1","6","7","1","2","1") = "6"
    & skf21("6","2","1","6","7","1","3","1") = "6"
    & skf21("6","2","1","6","7","1","4","1") = "6"
    & skf21("6","2","1","6","7","1","5","1") = "6"
    & skf21("6","2","1","6","7","1","6","1") = "6"
    & skf21("6","2","1","6","7","1","7","1") = "6"
    & skf21("6","2","1","6","7","2","1","1") = "6"
    & skf21("6","2","1","6","7","2","2","1") = "6"
    & skf21("6","2","1","6","7","2","3","1") = "6"
    & skf21("6","2","1","6","7","2","4","1") = "6"
    & skf21("6","2","1","6","7","2","5","1") = "6"
    & skf21("6","2","1","6","7","2","6","1") = "6"
    & skf21("6","2","1","6","7","2","7","1") = "6"
    & skf21("6","2","1","6","7","3","1","1") = "6"
    & skf21("6","2","1","6","7","3","2","1") = "6"
    & skf21("6","2","1","6","7","3","3","1") = "6"
    & skf21("6","2","1","6","7","3","4","1") = "6"
    & skf21("6","2","1","6","7","3","5","1") = "6"
    & skf21("6","2","1","6","7","3","6","1") = "6"
    & skf21("6","2","1","6","7","3","7","1") = "6"
    & skf21("6","2","1","6","7","4","1","1") = "6"
    & skf21("6","2","1","6","7","4","2","1") = "6"
    & skf21("6","2","1","6","7","4","3","1") = "6"
    & skf21("6","2","1","6","7","4","4","1") = "6"
    & skf21("6","2","1","6","7","4","5","1") = "6"
    & skf21("6","2","1","6","7","4","6","1") = "6"
    & skf21("6","2","1","6","7","4","7","1") = "6"
    & skf21("6","2","1","6","7","5","1","1") = "6"
    & skf21("6","2","1","6","7","5","2","1") = "6"
    & skf21("6","2","1","6","7","5","3","1") = "6"
    & skf21("6","2","1","6","7","5","4","1") = "6"
    & skf21("6","2","1","6","7","5","5","1") = "6"
    & skf21("6","2","1","6","7","5","6","1") = "6"
    & skf21("6","2","1","6","7","5","7","1") = "6"
    & skf21("6","2","1","6","7","6","1","1") = "6"
    & skf21("6","2","1","6","7","6","2","1") = "6"
    & skf21("6","2","1","6","7","6","3","1") = "6"
    & skf21("6","2","1","6","7","6","4","1") = "6"
    & skf21("6","2","1","6","7","6","5","1") = "6"
    & skf21("6","2","1","6","7","6","6","1") = "6"
    & skf21("6","2","1","6","7","6","7","1") = "6"
    & skf21("6","2","1","6","7","7","1","1") = "6"
    & skf21("6","2","1","6","7","7","2","1") = "6"
    & skf21("6","2","1","6","7","7","3","1") = "6"
    & skf21("6","2","1","6","7","7","4","1") = "6"
    & skf21("6","2","1","6","7","7","5","1") = "6"
    & skf21("6","2","1","6","7","7","6","1") = "6"
    & skf21("6","2","1","6","7","7","7","1") = "6"
    & skf21("6","2","1","7","1","1","1","1") = "6"
    & skf21("6","2","1","7","1","1","2","1") = "6"
    & skf21("6","2","1","7","1","1","3","1") = "6"
    & skf21("6","2","1","7","1","1","4","1") = "6"
    & skf21("6","2","1","7","1","1","5","1") = "6"
    & skf21("6","2","1","7","1","1","6","1") = "6"
    & skf21("6","2","1","7","1","1","7","1") = "6"
    & skf21("6","2","1","7","1","2","1","1") = "6"
    & skf21("6","2","1","7","1","2","2","1") = "6"
    & skf21("6","2","1","7","1","2","3","1") = "6"
    & skf21("6","2","1","7","1","2","4","1") = "6"
    & skf21("6","2","1","7","1","2","5","1") = "6"
    & skf21("6","2","1","7","1","2","6","1") = "6"
    & skf21("6","2","1","7","1","2","7","1") = "6"
    & skf21("6","2","1","7","1","3","1","1") = "6"
    & skf21("6","2","1","7","1","3","2","1") = "6"
    & skf21("6","2","1","7","1","3","3","1") = "6"
    & skf21("6","2","1","7","1","3","4","1") = "6"
    & skf21("6","2","1","7","1","3","5","1") = "6"
    & skf21("6","2","1","7","1","3","6","1") = "6"
    & skf21("6","2","1","7","1","3","7","1") = "6"
    & skf21("6","2","1","7","1","4","1","1") = "6"
    & skf21("6","2","1","7","1","4","2","1") = "6"
    & skf21("6","2","1","7","1","4","3","1") = "6"
    & skf21("6","2","1","7","1","4","4","1") = "6"
    & skf21("6","2","1","7","1","4","5","1") = "6"
    & skf21("6","2","1","7","1","4","6","1") = "6"
    & skf21("6","2","1","7","1","4","7","1") = "6"
    & skf21("6","2","1","7","1","5","1","1") = "6"
    & skf21("6","2","1","7","1","5","2","1") = "6"
    & skf21("6","2","1","7","1","5","3","1") = "6"
    & skf21("6","2","1","7","1","5","4","1") = "6"
    & skf21("6","2","1","7","1","5","5","1") = "6"
    & skf21("6","2","1","7","1","5","6","1") = "6"
    & skf21("6","2","1","7","1","5","7","1") = "6"
    & skf21("6","2","1","7","1","6","1","1") = "6"
    & skf21("6","2","1","7","1","6","2","1") = "6"
    & skf21("6","2","1","7","1","6","3","1") = "6"
    & skf21("6","2","1","7","1","6","4","1") = "6"
    & skf21("6","2","1","7","1","6","5","1") = "6"
    & skf21("6","2","1","7","1","6","6","1") = "6"
    & skf21("6","2","1","7","1","6","7","1") = "6"
    & skf21("6","2","1","7","1","7","1","1") = "6"
    & skf21("6","2","1","7","1","7","2","1") = "6"
    & skf21("6","2","1","7","1","7","3","1") = "6"
    & skf21("6","2","1","7","1","7","4","1") = "6"
    & skf21("6","2","1","7","1","7","5","1") = "6"
    & skf21("6","2","1","7","1","7","6","1") = "6"
    & skf21("6","2","1","7","1","7","7","1") = "6"
    & skf21("6","2","1","7","2","1","1","1") = "6"
    & skf21("6","2","1","7","2","1","2","1") = "6"
    & skf21("6","2","1","7","2","1","3","1") = "6"
    & skf21("6","2","1","7","2","1","4","1") = "6"
    & skf21("6","2","1","7","2","1","5","1") = "6"
    & skf21("6","2","1","7","2","1","6","1") = "6"
    & skf21("6","2","1","7","2","1","7","1") = "6"
    & skf21("6","2","1","7","2","2","1","1") = "6"
    & skf21("6","2","1","7","2","2","2","1") = "6"
    & skf21("6","2","1","7","2","2","3","1") = "6"
    & skf21("6","2","1","7","2","2","4","1") = "6"
    & skf21("6","2","1","7","2","2","5","1") = "6"
    & skf21("6","2","1","7","2","2","6","1") = "6"
    & skf21("6","2","1","7","2","2","7","1") = "6"
    & skf21("6","2","1","7","2","3","1","1") = "6"
    & skf21("6","2","1","7","2","3","2","1") = "6"
    & skf21("6","2","1","7","2","3","3","1") = "6"
    & skf21("6","2","1","7","2","3","4","1") = "6"
    & skf21("6","2","1","7","2","3","5","1") = "6"
    & skf21("6","2","1","7","2","3","6","1") = "6"
    & skf21("6","2","1","7","2","3","7","1") = "6"
    & skf21("6","2","1","7","2","4","1","1") = "6"
    & skf21("6","2","1","7","2","4","2","1") = "6"
    & skf21("6","2","1","7","2","4","3","1") = "6"
    & skf21("6","2","1","7","2","4","4","1") = "6"
    & skf21("6","2","1","7","2","4","5","1") = "6"
    & skf21("6","2","1","7","2","4","6","1") = "6"
    & skf21("6","2","1","7","2","4","7","1") = "6"
    & skf21("6","2","1","7","2","5","1","1") = "6"
    & skf21("6","2","1","7","2","5","2","1") = "6"
    & skf21("6","2","1","7","2","5","3","1") = "6"
    & skf21("6","2","1","7","2","5","4","1") = "6"
    & skf21("6","2","1","7","2","5","5","1") = "6"
    & skf21("6","2","1","7","2","5","6","1") = "6"
    & skf21("6","2","1","7","2","5","7","1") = "6"
    & skf21("6","2","1","7","2","6","1","1") = "6"
    & skf21("6","2","1","7","2","6","2","1") = "6"
    & skf21("6","2","1","7","2","6","3","1") = "6"
    & skf21("6","2","1","7","2","6","4","1") = "6"
    & skf21("6","2","1","7","2","6","5","1") = "6"
    & skf21("6","2","1","7","2","6","6","1") = "6"
    & skf21("6","2","1","7","2","6","7","1") = "6"
    & skf21("6","2","1","7","2","7","1","1") = "6"
    & skf21("6","2","1","7","2","7","2","1") = "6"
    & skf21("6","2","1","7","2","7","3","1") = "6"
    & skf21("6","2","1","7","2","7","4","1") = "6"
    & skf21("6","2","1","7","2","7","5","1") = "6"
    & skf21("6","2","1","7","2","7","6","1") = "6"
    & skf21("6","2","1","7","2","7","7","1") = "6"
    & skf21("6","2","1","7","3","1","1","1") = "6"
    & skf21("6","2","1","7","3","1","2","1") = "6"
    & skf21("6","2","1","7","3","1","3","1") = "6"
    & skf21("6","2","1","7","3","1","4","1") = "6"
    & skf21("6","2","1","7","3","1","5","1") = "6"
    & skf21("6","2","1","7","3","1","6","1") = "6"
    & skf21("6","2","1","7","3","1","7","1") = "6"
    & skf21("6","2","1","7","3","2","1","1") = "6"
    & skf21("6","2","1","7","3","2","2","1") = "6"
    & skf21("6","2","1","7","3","2","3","1") = "6"
    & skf21("6","2","1","7","3","2","4","1") = "6"
    & skf21("6","2","1","7","3","2","5","1") = "6"
    & skf21("6","2","1","7","3","2","6","1") = "6"
    & skf21("6","2","1","7","3","2","7","1") = "6"
    & skf21("6","2","1","7","3","3","1","1") = "6"
    & skf21("6","2","1","7","3","3","2","1") = "6"
    & skf21("6","2","1","7","3","3","3","1") = "6"
    & skf21("6","2","1","7","3","3","4","1") = "6"
    & skf21("6","2","1","7","3","3","5","1") = "6"
    & skf21("6","2","1","7","3","3","6","1") = "6"
    & skf21("6","2","1","7","3","3","7","1") = "6"
    & skf21("6","2","1","7","3","4","1","1") = "6"
    & skf21("6","2","1","7","3","4","2","1") = "6"
    & skf21("6","2","1","7","3","4","3","1") = "6"
    & skf21("6","2","1","7","3","4","4","1") = "6"
    & skf21("6","2","1","7","3","4","5","1") = "6"
    & skf21("6","2","1","7","3","4","6","1") = "6"
    & skf21("6","2","1","7","3","4","7","1") = "6"
    & skf21("6","2","1","7","3","5","1","1") = "6"
    & skf21("6","2","1","7","3","5","2","1") = "6"
    & skf21("6","2","1","7","3","5","3","1") = "6"
    & skf21("6","2","1","7","3","5","4","1") = "6"
    & skf21("6","2","1","7","3","5","5","1") = "6"
    & skf21("6","2","1","7","3","5","6","1") = "6"
    & skf21("6","2","1","7","3","5","7","1") = "6"
    & skf21("6","2","1","7","3","6","1","1") = "6"
    & skf21("6","2","1","7","3","6","2","1") = "6"
    & skf21("6","2","1","7","3","6","3","1") = "6"
    & skf21("6","2","1","7","3","6","4","1") = "6"
    & skf21("6","2","1","7","3","6","5","1") = "6"
    & skf21("6","2","1","7","3","6","6","1") = "6"
    & skf21("6","2","1","7","3","6","7","1") = "6"
    & skf21("6","2","1","7","3","7","1","1") = "6"
    & skf21("6","2","1","7","3","7","2","1") = "6"
    & skf21("6","2","1","7","3","7","3","1") = "6"
    & skf21("6","2","1","7","3","7","4","1") = "6"
    & skf21("6","2","1","7","3","7","5","1") = "6"
    & skf21("6","2","1","7","3","7","6","1") = "6"
    & skf21("6","2","1","7","3","7","7","1") = "6"
    & skf21("6","2","1","7","4","1","1","1") = "6"
    & skf21("6","2","1","7","4","1","2","1") = "6"
    & skf21("6","2","1","7","4","1","3","1") = "6"
    & skf21("6","2","1","7","4","1","4","1") = "6"
    & skf21("6","2","1","7","4","1","5","1") = "6"
    & skf21("6","2","1","7","4","1","6","1") = "6"
    & skf21("6","2","1","7","4","1","7","1") = "6"
    & skf21("6","2","1","7","4","2","1","1") = "6"
    & skf21("6","2","1","7","4","2","2","1") = "6"
    & skf21("6","2","1","7","4","2","3","1") = "6"
    & skf21("6","2","1","7","4","2","4","1") = "6"
    & skf21("6","2","1","7","4","2","5","1") = "6"
    & skf21("6","2","1","7","4","2","6","1") = "6"
    & skf21("6","2","1","7","4","2","7","1") = "6"
    & skf21("6","2","1","7","4","3","1","1") = "6"
    & skf21("6","2","1","7","4","3","2","1") = "6"
    & skf21("6","2","1","7","4","3","3","1") = "6"
    & skf21("6","2","1","7","4","3","4","1") = "6"
    & skf21("6","2","1","7","4","3","5","1") = "6"
    & skf21("6","2","1","7","4","3","6","1") = "6"
    & skf21("6","2","1","7","4","3","7","1") = "6"
    & skf21("6","2","1","7","4","4","1","1") = "6"
    & skf21("6","2","1","7","4","4","2","1") = "6"
    & skf21("6","2","1","7","4","4","3","1") = "6"
    & skf21("6","2","1","7","4","4","4","1") = "6"
    & skf21("6","2","1","7","4","4","5","1") = "6"
    & skf21("6","2","1","7","4","4","6","1") = "6"
    & skf21("6","2","1","7","4","4","7","1") = "6"
    & skf21("6","2","1","7","4","5","1","1") = "6"
    & skf21("6","2","1","7","4","5","2","1") = "6"
    & skf21("6","2","1","7","4","5","3","1") = "6"
    & skf21("6","2","1","7","4","5","4","1") = "6"
    & skf21("6","2","1","7","4","5","5","1") = "6"
    & skf21("6","2","1","7","4","5","6","1") = "6"
    & skf21("6","2","1","7","4","5","7","1") = "6"
    & skf21("6","2","1","7","4","6","1","1") = "6"
    & skf21("6","2","1","7","4","6","2","1") = "6"
    & skf21("6","2","1","7","4","6","3","1") = "6"
    & skf21("6","2","1","7","4","6","4","1") = "6"
    & skf21("6","2","1","7","4","6","5","1") = "6"
    & skf21("6","2","1","7","4","6","6","1") = "6"
    & skf21("6","2","1","7","4","6","7","1") = "6"
    & skf21("6","2","1","7","4","7","1","1") = "6"
    & skf21("6","2","1","7","4","7","2","1") = "6"
    & skf21("6","2","1","7","4","7","3","1") = "6"
    & skf21("6","2","1","7","4","7","4","1") = "6"
    & skf21("6","2","1","7","4","7","5","1") = "6"
    & skf21("6","2","1","7","4","7","6","1") = "6"
    & skf21("6","2","1","7","4","7","7","1") = "6"
    & skf21("6","2","1","7","5","1","1","1") = "6"
    & skf21("6","2","1","7","5","1","2","1") = "6"
    & skf21("6","2","1","7","5","1","3","1") = "6"
    & skf21("6","2","1","7","5","1","4","1") = "6"
    & skf21("6","2","1","7","5","1","5","1") = "6"
    & skf21("6","2","1","7","5","1","6","1") = "6"
    & skf21("6","2","1","7","5","1","7","1") = "6"
    & skf21("6","2","1","7","5","2","1","1") = "6"
    & skf21("6","2","1","7","5","2","2","1") = "6"
    & skf21("6","2","1","7","5","2","3","1") = "6"
    & skf21("6","2","1","7","5","2","4","1") = "6"
    & skf21("6","2","1","7","5","2","5","1") = "6"
    & skf21("6","2","1","7","5","2","6","1") = "6"
    & skf21("6","2","1","7","5","2","7","1") = "6"
    & skf21("6","2","1","7","5","3","1","1") = "6"
    & skf21("6","2","1","7","5","3","2","1") = "6"
    & skf21("6","2","1","7","5","3","3","1") = "6"
    & skf21("6","2","1","7","5","3","4","1") = "6"
    & skf21("6","2","1","7","5","3","5","1") = "6"
    & skf21("6","2","1","7","5","3","6","1") = "6"
    & skf21("6","2","1","7","5","3","7","1") = "6"
    & skf21("6","2","1","7","5","4","1","1") = "6"
    & skf21("6","2","1","7","5","4","2","1") = "6"
    & skf21("6","2","1","7","5","4","3","1") = "6"
    & skf21("6","2","1","7","5","4","4","1") = "6"
    & skf21("6","2","1","7","5","4","5","1") = "6"
    & skf21("6","2","1","7","5","4","6","1") = "6"
    & skf21("6","2","1","7","5","4","7","1") = "6"
    & skf21("6","2","1","7","5","5","1","1") = "6"
    & skf21("6","2","1","7","5","5","2","1") = "6"
    & skf21("6","2","1","7","5","5","3","1") = "6"
    & skf21("6","2","1","7","5","5","4","1") = "6"
    & skf21("6","2","1","7","5","5","5","1") = "6"
    & skf21("6","2","1","7","5","5","6","1") = "6"
    & skf21("6","2","1","7","5","5","7","1") = "6"
    & skf21("6","2","1","7","5","6","1","1") = "6"
    & skf21("6","2","1","7","5","6","2","1") = "6"
    & skf21("6","2","1","7","5","6","3","1") = "6"
    & skf21("6","2","1","7","5","6","4","1") = "6"
    & skf21("6","2","1","7","5","6","5","1") = "6"
    & skf21("6","2","1","7","5","6","6","1") = "6"
    & skf21("6","2","1","7","5","6","7","1") = "6"
    & skf21("6","2","1","7","5","7","1","1") = "6"
    & skf21("6","2","1","7","5","7","2","1") = "6"
    & skf21("6","2","1","7","5","7","3","1") = "6"
    & skf21("6","2","1","7","5","7","4","1") = "6"
    & skf21("6","2","1","7","5","7","5","1") = "6"
    & skf21("6","2","1","7","5","7","6","1") = "6"
    & skf21("6","2","1","7","5","7","7","1") = "6"
    & skf21("6","2","1","7","6","1","1","1") = "6"
    & skf21("6","2","1","7","6","1","2","1") = "6"
    & skf21("6","2","1","7","6","1","3","1") = "6"
    & skf21("6","2","1","7","6","1","4","1") = "6"
    & skf21("6","2","1","7","6","1","5","1") = "6"
    & skf21("6","2","1","7","6","1","6","1") = "6"
    & skf21("6","2","1","7","6","1","7","1") = "6"
    & skf21("6","2","1","7","6","2","1","1") = "6"
    & skf21("6","2","1","7","6","2","2","1") = "6"
    & skf21("6","2","1","7","6","2","3","1") = "6"
    & skf21("6","2","1","7","6","2","4","1") = "6"
    & skf21("6","2","1","7","6","2","5","1") = "6"
    & skf21("6","2","1","7","6","2","6","1") = "6"
    & skf21("6","2","1","7","6","2","7","1") = "6"
    & skf21("6","2","1","7","6","3","1","1") = "6"
    & skf21("6","2","1","7","6","3","2","1") = "6"
    & skf21("6","2","1","7","6","3","3","1") = "6"
    & skf21("6","2","1","7","6","3","4","1") = "6"
    & skf21("6","2","1","7","6","3","5","1") = "6"
    & skf21("6","2","1","7","6","3","6","1") = "6"
    & skf21("6","2","1","7","6","3","7","1") = "6"
    & skf21("6","2","1","7","6","4","1","1") = "6"
    & skf21("6","2","1","7","6","4","2","1") = "6"
    & skf21("6","2","1","7","6","4","3","1") = "6"
    & skf21("6","2","1","7","6","4","4","1") = "6"
    & skf21("6","2","1","7","6","4","5","1") = "6"
    & skf21("6","2","1","7","6","4","6","1") = "6"
    & skf21("6","2","1","7","6","4","7","1") = "6"
    & skf21("6","2","1","7","6","5","1","1") = "6"
    & skf21("6","2","1","7","6","5","2","1") = "6"
    & skf21("6","2","1","7","6","5","3","1") = "6"
    & skf21("6","2","1","7","6","5","4","1") = "6"
    & skf21("6","2","1","7","6","5","5","1") = "6"
    & skf21("6","2","1","7","6","5","6","1") = "6"
    & skf21("6","2","1","7","6","5","7","1") = "6"
    & skf21("6","2","1","7","6","6","1","1") = "6"
    & skf21("6","2","1","7","6","6","2","1") = "6"
    & skf21("6","2","1","7","6","6","3","1") = "6"
    & skf21("6","2","1","7","6","6","4","1") = "6"
    & skf21("6","2","1","7","6","6","5","1") = "6"
    & skf21("6","2","1","7","6","6","6","1") = "6"
    & skf21("6","2","1","7","6","6","7","1") = "6"
    & skf21("6","2","1","7","6","7","1","1") = "6"
    & skf21("6","2","1","7","6","7","2","1") = "6"
    & skf21("6","2","1","7","6","7","3","1") = "6"
    & skf21("6","2","1","7","6","7","4","1") = "6"
    & skf21("6","2","1","7","6","7","5","1") = "6"
    & skf21("6","2","1","7","6","7","6","1") = "6"
    & skf21("6","2","1","7","6","7","7","1") = "6"
    & skf21("6","2","1","7","7","1","1","1") = "6"
    & skf21("6","2","1","7","7","1","2","1") = "6"
    & skf21("6","2","1","7","7","1","3","1") = "6"
    & skf21("6","2","1","7","7","1","4","1") = "6"
    & skf21("6","2","1","7","7","1","5","1") = "6"
    & skf21("6","2","1","7","7","1","6","1") = "6"
    & skf21("6","2","1","7","7","1","7","1") = "6"
    & skf21("6","2","1","7","7","2","1","1") = "6"
    & skf21("6","2","1","7","7","2","2","1") = "6"
    & skf21("6","2","1","7","7","2","3","1") = "6"
    & skf21("6","2","1","7","7","2","4","1") = "6"
    & skf21("6","2","1","7","7","2","5","1") = "6"
    & skf21("6","2","1","7","7","2","6","1") = "6"
    & skf21("6","2","1","7","7","2","7","1") = "6"
    & skf21("6","2","1","7","7","3","1","1") = "6"
    & skf21("6","2","1","7","7","3","2","1") = "6"
    & skf21("6","2","1","7","7","3","3","1") = "6"
    & skf21("6","2","1","7","7","3","4","1") = "6"
    & skf21("6","2","1","7","7","3","5","1") = "6"
    & skf21("6","2","1","7","7","3","6","1") = "6"
    & skf21("6","2","1","7","7","3","7","1") = "6"
    & skf21("6","2","1","7","7","4","1","1") = "6"
    & skf21("6","2","1","7","7","4","2","1") = "6"
    & skf21("6","2","1","7","7","4","3","1") = "6"
    & skf21("6","2","1","7","7","4","4","1") = "6"
    & skf21("6","2","1","7","7","4","5","1") = "6"
    & skf21("6","2","1","7","7","4","6","1") = "6"
    & skf21("6","2","1","7","7","4","7","1") = "6"
    & skf21("6","2","1","7","7","5","1","1") = "6"
    & skf21("6","2","1","7","7","5","2","1") = "6"
    & skf21("6","2","1","7","7","5","3","1") = "6"
    & skf21("6","2","1","7","7","5","4","1") = "6"
    & skf21("6","2","1","7","7","5","5","1") = "6"
    & skf21("6","2","1","7","7","5","6","1") = "6"
    & skf21("6","2","1","7","7","5","7","1") = "6"
    & skf21("6","2","1","7","7","6","1","1") = "6"
    & skf21("6","2","1","7","7","6","2","1") = "6"
    & skf21("6","2","1","7","7","6","3","1") = "6"
    & skf21("6","2","1","7","7","6","4","1") = "6"
    & skf21("6","2","1","7","7","6","5","1") = "6"
    & skf21("6","2","1","7","7","6","6","1") = "6"
    & skf21("6","2","1","7","7","6","7","1") = "6"
    & skf21("6","2","1","7","7","7","1","1") = "6"
    & skf21("6","2","1","7","7","7","2","1") = "6"
    & skf21("6","2","1","7","7","7","3","1") = "6"
    & skf21("6","2","1","7","7","7","4","1") = "6"
    & skf21("6","2","1","7","7","7","5","1") = "6"
    & skf21("6","2","1","7","7","7","6","1") = "6"
    & skf21("6","2","1","7","7","7","7","1") = "6"
    & skf21("6","2","2","1","1","1","1","1") = "5"
    & skf21("6","2","2","1","1","1","2","1") = "5"
    & skf21("6","2","2","1","1","1","3","1") = "5"
    & skf21("6","2","2","1","1","1","4","1") = "5"
    & skf21("6","2","2","1","1","1","5","1") = "5"
    & skf21("6","2","2","1","1","1","6","1") = "5"
    & skf21("6","2","2","1","1","1","7","1") = "6"
    & skf21("6","2","2","1","1","2","1","1") = "5"
    & skf21("6","2","2","1","1","2","2","1") = "5"
    & skf21("6","2","2","1","1","2","3","1") = "5"
    & skf21("6","2","2","1","1","2","4","1") = "5"
    & skf21("6","2","2","1","1","2","5","1") = "5"
    & skf21("6","2","2","1","1","2","6","1") = "5"
    & skf21("6","2","2","1","1","2","7","1") = "6"
    & skf21("6","2","2","1","1","3","1","1") = "5"
    & skf21("6","2","2","1","1","3","2","1") = "5"
    & skf21("6","2","2","1","1","3","3","1") = "5"
    & skf21("6","2","2","1","1","3","4","1") = "5"
    & skf21("6","2","2","1","1","3","5","1") = "5"
    & skf21("6","2","2","1","1","3","6","1") = "5"
    & skf21("6","2","2","1","1","3","7","1") = "6"
    & skf21("6","2","2","1","1","4","1","1") = "5"
    & skf21("6","2","2","1","1","4","2","1") = "5"
    & skf21("6","2","2","1","1","4","3","1") = "5"
    & skf21("6","2","2","1","1","4","4","1") = "5"
    & skf21("6","2","2","1","1","4","5","1") = "5"
    & skf21("6","2","2","1","1","4","6","1") = "5"
    & skf21("6","2","2","1","1","4","7","1") = "6"
    & skf21("6","2","2","1","1","5","1","1") = "5"
    & skf21("6","2","2","1","1","5","2","1") = "5"
    & skf21("6","2","2","1","1","5","3","1") = "5"
    & skf21("6","2","2","1","1","5","4","1") = "5"
    & skf21("6","2","2","1","1","5","5","1") = "5"
    & skf21("6","2","2","1","1","5","6","1") = "5"
    & skf21("6","2","2","1","1","5","7","1") = "6"
    & skf21("6","2","2","1","1","6","1","1") = "5"
    & skf21("6","2","2","1","1","6","2","1") = "5"
    & skf21("6","2","2","1","1","6","3","1") = "5"
    & skf21("6","2","2","1","1","6","4","1") = "5"
    & skf21("6","2","2","1","1","6","5","1") = "5"
    & skf21("6","2","2","1","1","6","6","1") = "5"
    & skf21("6","2","2","1","1","6","7","1") = "6"
    & skf21("6","2","2","1","1","7","1","1") = "6"
    & skf21("6","2","2","1","1","7","2","1") = "6"
    & skf21("6","2","2","1","1","7","3","1") = "6"
    & skf21("6","2","2","1","1","7","4","1") = "6"
    & skf21("6","2","2","1","1","7","5","1") = "6"
    & skf21("6","2","2","1","1","7","6","1") = "6"
    & skf21("6","2","2","1","1","7","7","1") = "6"
    & skf21("6","2","2","1","2","1","1","1") = "5"
    & skf21("6","2","2","1","2","1","2","1") = "5"
    & skf21("6","2","2","1","2","1","3","1") = "5"
    & skf21("6","2","2","1","2","1","4","1") = "5"
    & skf21("6","2","2","1","2","1","5","1") = "5"
    & skf21("6","2","2","1","2","1","6","1") = "5"
    & skf21("6","2","2","1","2","1","7","1") = "6"
    & skf21("6","2","2","1","2","2","1","1") = "5"
    & skf21("6","2","2","1","2","2","2","1") = "5"
    & skf21("6","2","2","1","2","2","3","1") = "5"
    & skf21("6","2","2","1","2","2","4","1") = "5"
    & skf21("6","2","2","1","2","2","5","1") = "5"
    & skf21("6","2","2","1","2","2","6","1") = "5"
    & skf21("6","2","2","1","2","2","7","1") = "6"
    & skf21("6","2","2","1","2","3","1","1") = "5"
    & skf21("6","2","2","1","2","3","2","1") = "5"
    & skf21("6","2","2","1","2","3","3","1") = "5"
    & skf21("6","2","2","1","2","3","4","1") = "5"
    & skf21("6","2","2","1","2","3","5","1") = "5"
    & skf21("6","2","2","1","2","3","6","1") = "5"
    & skf21("6","2","2","1","2","3","7","1") = "6"
    & skf21("6","2","2","1","2","4","1","1") = "5"
    & skf21("6","2","2","1","2","4","2","1") = "5"
    & skf21("6","2","2","1","2","4","3","1") = "5"
    & skf21("6","2","2","1","2","4","4","1") = "5"
    & skf21("6","2","2","1","2","4","5","1") = "5"
    & skf21("6","2","2","1","2","4","6","1") = "5"
    & skf21("6","2","2","1","2","4","7","1") = "6"
    & skf21("6","2","2","1","2","5","1","1") = "5"
    & skf21("6","2","2","1","2","5","2","1") = "5"
    & skf21("6","2","2","1","2","5","3","1") = "5"
    & skf21("6","2","2","1","2","5","4","1") = "5"
    & skf21("6","2","2","1","2","5","5","1") = "5"
    & skf21("6","2","2","1","2","5","6","1") = "5"
    & skf21("6","2","2","1","2","5","7","1") = "6"
    & skf21("6","2","2","1","2","6","1","1") = "5"
    & skf21("6","2","2","1","2","6","2","1") = "5"
    & skf21("6","2","2","1","2","6","3","1") = "5"
    & skf21("6","2","2","1","2","6","4","1") = "5"
    & skf21("6","2","2","1","2","6","5","1") = "5"
    & skf21("6","2","2","1","2","6","6","1") = "5"
    & skf21("6","2","2","1","2","6","7","1") = "6"
    & skf21("6","2","2","1","2","7","1","1") = "6"
    & skf21("6","2","2","1","2","7","2","1") = "6"
    & skf21("6","2","2","1","2","7","3","1") = "6"
    & skf21("6","2","2","1","2","7","4","1") = "6"
    & skf21("6","2","2","1","2","7","5","1") = "6"
    & skf21("6","2","2","1","2","7","6","1") = "6"
    & skf21("6","2","2","1","2","7","7","1") = "6"
    & skf21("6","2","2","1","3","1","1","1") = "5"
    & skf21("6","2","2","1","3","1","2","1") = "5"
    & skf21("6","2","2","1","3","1","3","1") = "5"
    & skf21("6","2","2","1","3","1","4","1") = "5"
    & skf21("6","2","2","1","3","1","5","1") = "5"
    & skf21("6","2","2","1","3","1","6","1") = "5"
    & skf21("6","2","2","1","3","1","7","1") = "6"
    & skf21("6","2","2","1","3","2","1","1") = "5"
    & skf21("6","2","2","1","3","2","2","1") = "5"
    & skf21("6","2","2","1","3","2","3","1") = "5"
    & skf21("6","2","2","1","3","2","4","1") = "5"
    & skf21("6","2","2","1","3","2","5","1") = "5"
    & skf21("6","2","2","1","3","2","6","1") = "5"
    & skf21("6","2","2","1","3","2","7","1") = "6"
    & skf21("6","2","2","1","3","3","1","1") = "5"
    & skf21("6","2","2","1","3","3","2","1") = "5"
    & skf21("6","2","2","1","3","3","3","1") = "5"
    & skf21("6","2","2","1","3","3","4","1") = "5"
    & skf21("6","2","2","1","3","3","5","1") = "5"
    & skf21("6","2","2","1","3","3","6","1") = "5"
    & skf21("6","2","2","1","3","3","7","1") = "6"
    & skf21("6","2","2","1","3","4","1","1") = "5"
    & skf21("6","2","2","1","3","4","2","1") = "5"
    & skf21("6","2","2","1","3","4","3","1") = "5"
    & skf21("6","2","2","1","3","4","4","1") = "5"
    & skf21("6","2","2","1","3","4","5","1") = "5"
    & skf21("6","2","2","1","3","4","6","1") = "5"
    & skf21("6","2","2","1","3","4","7","1") = "6"
    & skf21("6","2","2","1","3","5","1","1") = "5"
    & skf21("6","2","2","1","3","5","2","1") = "5"
    & skf21("6","2","2","1","3","5","3","1") = "5"
    & skf21("6","2","2","1","3","5","4","1") = "5"
    & skf21("6","2","2","1","3","5","5","1") = "5"
    & skf21("6","2","2","1","3","5","6","1") = "5"
    & skf21("6","2","2","1","3","5","7","1") = "6"
    & skf21("6","2","2","1","3","6","1","1") = "5"
    & skf21("6","2","2","1","3","6","2","1") = "5"
    & skf21("6","2","2","1","3","6","3","1") = "5"
    & skf21("6","2","2","1","3","6","4","1") = "5"
    & skf21("6","2","2","1","3","6","5","1") = "5"
    & skf21("6","2","2","1","3","6","6","1") = "5"
    & skf21("6","2","2","1","3","6","7","1") = "6"
    & skf21("6","2","2","1","3","7","1","1") = "6"
    & skf21("6","2","2","1","3","7","2","1") = "6"
    & skf21("6","2","2","1","3","7","3","1") = "6"
    & skf21("6","2","2","1","3","7","4","1") = "6"
    & skf21("6","2","2","1","3","7","5","1") = "6"
    & skf21("6","2","2","1","3","7","6","1") = "6"
    & skf21("6","2","2","1","3","7","7","1") = "6"
    & skf21("6","2","2","1","4","1","1","1") = "5"
    & skf21("6","2","2","1","4","1","2","1") = "5"
    & skf21("6","2","2","1","4","1","3","1") = "5"
    & skf21("6","2","2","1","4","1","4","1") = "5"
    & skf21("6","2","2","1","4","1","5","1") = "5"
    & skf21("6","2","2","1","4","1","6","1") = "5"
    & skf21("6","2","2","1","4","1","7","1") = "6"
    & skf21("6","2","2","1","4","2","1","1") = "5"
    & skf21("6","2","2","1","4","2","2","1") = "5"
    & skf21("6","2","2","1","4","2","3","1") = "5"
    & skf21("6","2","2","1","4","2","4","1") = "5"
    & skf21("6","2","2","1","4","2","5","1") = "5"
    & skf21("6","2","2","1","4","2","6","1") = "5"
    & skf21("6","2","2","1","4","2","7","1") = "6"
    & skf21("6","2","2","1","4","3","1","1") = "5"
    & skf21("6","2","2","1","4","3","2","1") = "5"
    & skf21("6","2","2","1","4","3","3","1") = "5"
    & skf21("6","2","2","1","4","3","4","1") = "5"
    & skf21("6","2","2","1","4","3","5","1") = "5"
    & skf21("6","2","2","1","4","3","6","1") = "5"
    & skf21("6","2","2","1","4","3","7","1") = "6"
    & skf21("6","2","2","1","4","4","1","1") = "5"
    & skf21("6","2","2","1","4","4","2","1") = "5"
    & skf21("6","2","2","1","4","4","3","1") = "5"
    & skf21("6","2","2","1","4","4","4","1") = "5"
    & skf21("6","2","2","1","4","4","5","1") = "5"
    & skf21("6","2","2","1","4","4","6","1") = "5"
    & skf21("6","2","2","1","4","4","7","1") = "6"
    & skf21("6","2","2","1","4","5","1","1") = "5"
    & skf21("6","2","2","1","4","5","2","1") = "5"
    & skf21("6","2","2","1","4","5","3","1") = "5"
    & skf21("6","2","2","1","4","5","4","1") = "5"
    & skf21("6","2","2","1","4","5","5","1") = "5"
    & skf21("6","2","2","1","4","5","6","1") = "5"
    & skf21("6","2","2","1","4","5","7","1") = "6"
    & skf21("6","2","2","1","4","6","1","1") = "5"
    & skf21("6","2","2","1","4","6","2","1") = "5"
    & skf21("6","2","2","1","4","6","3","1") = "5"
    & skf21("6","2","2","1","4","6","4","1") = "5"
    & skf21("6","2","2","1","4","6","5","1") = "5"
    & skf21("6","2","2","1","4","6","6","1") = "5"
    & skf21("6","2","2","1","4","6","7","1") = "6"
    & skf21("6","2","2","1","4","7","1","1") = "6"
    & skf21("6","2","2","1","4","7","2","1") = "6"
    & skf21("6","2","2","1","4","7","3","1") = "6"
    & skf21("6","2","2","1","4","7","4","1") = "6"
    & skf21("6","2","2","1","4","7","5","1") = "6"
    & skf21("6","2","2","1","4","7","6","1") = "6"
    & skf21("6","2","2","1","4","7","7","1") = "6"
    & skf21("6","2","2","1","5","1","1","1") = "5"
    & skf21("6","2","2","1","5","1","2","1") = "5"
    & skf21("6","2","2","1","5","1","3","1") = "5"
    & skf21("6","2","2","1","5","1","4","1") = "5"
    & skf21("6","2","2","1","5","1","5","1") = "5"
    & skf21("6","2","2","1","5","1","6","1") = "5"
    & skf21("6","2","2","1","5","1","7","1") = "6"
    & skf21("6","2","2","1","5","2","1","1") = "5"
    & skf21("6","2","2","1","5","2","2","1") = "5"
    & skf21("6","2","2","1","5","2","3","1") = "5"
    & skf21("6","2","2","1","5","2","4","1") = "5"
    & skf21("6","2","2","1","5","2","5","1") = "5"
    & skf21("6","2","2","1","5","2","6","1") = "5"
    & skf21("6","2","2","1","5","2","7","1") = "6"
    & skf21("6","2","2","1","5","3","1","1") = "5"
    & skf21("6","2","2","1","5","3","2","1") = "5"
    & skf21("6","2","2","1","5","3","3","1") = "5"
    & skf21("6","2","2","1","5","3","4","1") = "5"
    & skf21("6","2","2","1","5","3","5","1") = "5"
    & skf21("6","2","2","1","5","3","6","1") = "5"
    & skf21("6","2","2","1","5","3","7","1") = "6"
    & skf21("6","2","2","1","5","4","1","1") = "5"
    & skf21("6","2","2","1","5","4","2","1") = "5"
    & skf21("6","2","2","1","5","4","3","1") = "5"
    & skf21("6","2","2","1","5","4","4","1") = "5"
    & skf21("6","2","2","1","5","4","5","1") = "5"
    & skf21("6","2","2","1","5","4","6","1") = "5"
    & skf21("6","2","2","1","5","4","7","1") = "6"
    & skf21("6","2","2","1","5","5","1","1") = "5"
    & skf21("6","2","2","1","5","5","2","1") = "5"
    & skf21("6","2","2","1","5","5","3","1") = "5"
    & skf21("6","2","2","1","5","5","4","1") = "5"
    & skf21("6","2","2","1","5","5","5","1") = "5"
    & skf21("6","2","2","1","5","5","6","1") = "5"
    & skf21("6","2","2","1","5","5","7","1") = "6"
    & skf21("6","2","2","1","5","6","1","1") = "5"
    & skf21("6","2","2","1","5","6","2","1") = "5"
    & skf21("6","2","2","1","5","6","3","1") = "5"
    & skf21("6","2","2","1","5","6","4","1") = "5"
    & skf21("6","2","2","1","5","6","5","1") = "5"
    & skf21("6","2","2","1","5","6","6","1") = "5"
    & skf21("6","2","2","1","5","6","7","1") = "6"
    & skf21("6","2","2","1","5","7","1","1") = "6"
    & skf21("6","2","2","1","5","7","2","1") = "6"
    & skf21("6","2","2","1","5","7","3","1") = "6"
    & skf21("6","2","2","1","5","7","4","1") = "6"
    & skf21("6","2","2","1","5","7","5","1") = "6"
    & skf21("6","2","2","1","5","7","6","1") = "6"
    & skf21("6","2","2","1","5","7","7","1") = "6"
    & skf21("6","2","2","1","6","1","1","1") = "5"
    & skf21("6","2","2","1","6","1","2","1") = "5"
    & skf21("6","2","2","1","6","1","3","1") = "5"
    & skf21("6","2","2","1","6","1","4","1") = "5"
    & skf21("6","2","2","1","6","1","5","1") = "5"
    & skf21("6","2","2","1","6","1","6","1") = "5"
    & skf21("6","2","2","1","6","1","7","1") = "6"
    & skf21("6","2","2","1","6","2","1","1") = "5"
    & skf21("6","2","2","1","6","2","2","1") = "5"
    & skf21("6","2","2","1","6","2","3","1") = "5"
    & skf21("6","2","2","1","6","2","4","1") = "5"
    & skf21("6","2","2","1","6","2","5","1") = "5"
    & skf21("6","2","2","1","6","2","6","1") = "5"
    & skf21("6","2","2","1","6","2","7","1") = "6"
    & skf21("6","2","2","1","6","3","1","1") = "5"
    & skf21("6","2","2","1","6","3","2","1") = "5"
    & skf21("6","2","2","1","6","3","3","1") = "5"
    & skf21("6","2","2","1","6","3","4","1") = "5"
    & skf21("6","2","2","1","6","3","5","1") = "5"
    & skf21("6","2","2","1","6","3","6","1") = "5"
    & skf21("6","2","2","1","6","3","7","1") = "6"
    & skf21("6","2","2","1","6","4","1","1") = "5"
    & skf21("6","2","2","1","6","4","2","1") = "5"
    & skf21("6","2","2","1","6","4","3","1") = "5"
    & skf21("6","2","2","1","6","4","4","1") = "5"
    & skf21("6","2","2","1","6","4","5","1") = "5"
    & skf21("6","2","2","1","6","4","6","1") = "5"
    & skf21("6","2","2","1","6","4","7","1") = "6"
    & skf21("6","2","2","1","6","5","1","1") = "5"
    & skf21("6","2","2","1","6","5","2","1") = "5"
    & skf21("6","2","2","1","6","5","3","1") = "5"
    & skf21("6","2","2","1","6","5","4","1") = "5"
    & skf21("6","2","2","1","6","5","5","1") = "5"
    & skf21("6","2","2","1","6","5","6","1") = "5"
    & skf21("6","2","2","1","6","5","7","1") = "6"
    & skf21("6","2","2","1","6","6","1","1") = "5"
    & skf21("6","2","2","1","6","6","2","1") = "5"
    & skf21("6","2","2","1","6","6","3","1") = "5"
    & skf21("6","2","2","1","6","6","4","1") = "5"
    & skf21("6","2","2","1","6","6","5","1") = "5"
    & skf21("6","2","2","1","6","6","6","1") = "5"
    & skf21("6","2","2","1","6","6","7","1") = "6"
    & skf21("6","2","2","1","6","7","1","1") = "6"
    & skf21("6","2","2","1","6","7","2","1") = "6"
    & skf21("6","2","2","1","6","7","3","1") = "6"
    & skf21("6","2","2","1","6","7","4","1") = "6"
    & skf21("6","2","2","1","6","7","5","1") = "6"
    & skf21("6","2","2","1","6","7","6","1") = "6"
    & skf21("6","2","2","1","6","7","7","1") = "6"
    & skf21("6","2","2","1","7","1","1","1") = "6"
    & skf21("6","2","2","1","7","1","2","1") = "6"
    & skf21("6","2","2","1","7","1","3","1") = "6"
    & skf21("6","2","2","1","7","1","4","1") = "6"
    & skf21("6","2","2","1","7","1","5","1") = "6"
    & skf21("6","2","2","1","7","1","6","1") = "6"
    & skf21("6","2","2","1","7","1","7","1") = "6"
    & skf21("6","2","2","1","7","2","1","1") = "6"
    & skf21("6","2","2","1","7","2","2","1") = "6"
    & skf21("6","2","2","1","7","2","3","1") = "6"
    & skf21("6","2","2","1","7","2","4","1") = "6"
    & skf21("6","2","2","1","7","2","5","1") = "6"
    & skf21("6","2","2","1","7","2","6","1") = "6"
    & skf21("6","2","2","1","7","2","7","1") = "6"
    & skf21("6","2","2","1","7","3","1","1") = "6"
    & skf21("6","2","2","1","7","3","2","1") = "6"
    & skf21("6","2","2","1","7","3","3","1") = "6"
    & skf21("6","2","2","1","7","3","4","1") = "6"
    & skf21("6","2","2","1","7","3","5","1") = "6"
    & skf21("6","2","2","1","7","3","6","1") = "6"
    & skf21("6","2","2","1","7","3","7","1") = "6"
    & skf21("6","2","2","1","7","4","1","1") = "6"
    & skf21("6","2","2","1","7","4","2","1") = "6"
    & skf21("6","2","2","1","7","4","3","1") = "6"
    & skf21("6","2","2","1","7","4","4","1") = "6"
    & skf21("6","2","2","1","7","4","5","1") = "6"
    & skf21("6","2","2","1","7","4","6","1") = "6"
    & skf21("6","2","2","1","7","4","7","1") = "6"
    & skf21("6","2","2","1","7","5","1","1") = "6"
    & skf21("6","2","2","1","7","5","2","1") = "6"
    & skf21("6","2","2","1","7","5","3","1") = "6"
    & skf21("6","2","2","1","7","5","4","1") = "6"
    & skf21("6","2","2","1","7","5","5","1") = "6"
    & skf21("6","2","2","1","7","5","6","1") = "6"
    & skf21("6","2","2","1","7","5","7","1") = "6"
    & skf21("6","2","2","1","7","6","1","1") = "6"
    & skf21("6","2","2","1","7","6","2","1") = "6"
    & skf21("6","2","2","1","7","6","3","1") = "6"
    & skf21("6","2","2","1","7","6","4","1") = "6"
    & skf21("6","2","2","1","7","6","5","1") = "6"
    & skf21("6","2","2","1","7","6","6","1") = "6"
    & skf21("6","2","2","1","7","6","7","1") = "6"
    & skf21("6","2","2","1","7","7","1","1") = "6"
    & skf21("6","2","2","1","7","7","2","1") = "6"
    & skf21("6","2","2","1","7","7","3","1") = "6"
    & skf21("6","2","2","1","7","7","4","1") = "6"
    & skf21("6","2","2","1","7","7","5","1") = "6"
    & skf21("6","2","2","1","7","7","6","1") = "6"
    & skf21("6","2","2","1","7","7","7","1") = "6"
    & skf21("6","2","2","2","1","1","1","1") = "5"
    & skf21("6","2","2","2","1","1","2","1") = "5"
    & skf21("6","2","2","2","1","1","3","1") = "5"
    & skf21("6","2","2","2","1","1","4","1") = "5"
    & skf21("6","2","2","2","1","1","5","1") = "5"
    & skf21("6","2","2","2","1","1","6","1") = "5"
    & skf21("6","2","2","2","1","1","7","1") = "6"
    & skf21("6","2","2","2","1","2","1","1") = "5"
    & skf21("6","2","2","2","1","2","2","1") = "5"
    & skf21("6","2","2","2","1","2","3","1") = "5"
    & skf21("6","2","2","2","1","2","4","1") = "5"
    & skf21("6","2","2","2","1","2","5","1") = "5"
    & skf21("6","2","2","2","1","2","6","1") = "5"
    & skf21("6","2","2","2","1","2","7","1") = "6"
    & skf21("6","2","2","2","1","3","1","1") = "5"
    & skf21("6","2","2","2","1","3","2","1") = "5"
    & skf21("6","2","2","2","1","3","3","1") = "5"
    & skf21("6","2","2","2","1","3","4","1") = "5"
    & skf21("6","2","2","2","1","3","5","1") = "5"
    & skf21("6","2","2","2","1","3","6","1") = "5"
    & skf21("6","2","2","2","1","3","7","1") = "6"
    & skf21("6","2","2","2","1","4","1","1") = "5"
    & skf21("6","2","2","2","1","4","2","1") = "5"
    & skf21("6","2","2","2","1","4","3","1") = "5"
    & skf21("6","2","2","2","1","4","4","1") = "5"
    & skf21("6","2","2","2","1","4","5","1") = "5"
    & skf21("6","2","2","2","1","4","6","1") = "5"
    & skf21("6","2","2","2","1","4","7","1") = "6"
    & skf21("6","2","2","2","1","5","1","1") = "5"
    & skf21("6","2","2","2","1","5","2","1") = "5"
    & skf21("6","2","2","2","1","5","3","1") = "5"
    & skf21("6","2","2","2","1","5","4","1") = "5"
    & skf21("6","2","2","2","1","5","5","1") = "5"
    & skf21("6","2","2","2","1","5","6","1") = "5"
    & skf21("6","2","2","2","1","5","7","1") = "6"
    & skf21("6","2","2","2","1","6","1","1") = "5"
    & skf21("6","2","2","2","1","6","2","1") = "5"
    & skf21("6","2","2","2","1","6","3","1") = "5"
    & skf21("6","2","2","2","1","6","4","1") = "5"
    & skf21("6","2","2","2","1","6","5","1") = "5"
    & skf21("6","2","2","2","1","6","6","1") = "5"
    & skf21("6","2","2","2","1","6","7","1") = "6"
    & skf21("6","2","2","2","1","7","1","1") = "6"
    & skf21("6","2","2","2","1","7","2","1") = "6"
    & skf21("6","2","2","2","1","7","3","1") = "6"
    & skf21("6","2","2","2","1","7","4","1") = "6"
    & skf21("6","2","2","2","1","7","5","1") = "6"
    & skf21("6","2","2","2","1","7","6","1") = "6"
    & skf21("6","2","2","2","1","7","7","1") = "6"
    & skf21("6","2","2","2","2","1","1","1") = "5"
    & skf21("6","2","2","2","2","1","2","1") = "5"
    & skf21("6","2","2","2","2","1","3","1") = "5"
    & skf21("6","2","2","2","2","1","4","1") = "5"
    & skf21("6","2","2","2","2","1","5","1") = "5"
    & skf21("6","2","2","2","2","1","6","1") = "5"
    & skf21("6","2","2","2","2","1","7","1") = "6"
    & skf21("6","2","2","2","2","2","1","1") = "5"
    & skf21("6","2","2","2","2","2","2","1") = "5"
    & skf21("6","2","2","2","2","2","3","1") = "5"
    & skf21("6","2","2","2","2","2","4","1") = "5"
    & skf21("6","2","2","2","2","2","5","1") = "5"
    & skf21("6","2","2","2","2","2","6","1") = "5"
    & skf21("6","2","2","2","2","2","7","1") = "6"
    & skf21("6","2","2","2","2","3","1","1") = "5"
    & skf21("6","2","2","2","2","3","2","1") = "5"
    & skf21("6","2","2","2","2","3","3","1") = "5"
    & skf21("6","2","2","2","2","3","4","1") = "5"
    & skf21("6","2","2","2","2","3","5","1") = "5"
    & skf21("6","2","2","2","2","3","6","1") = "5"
    & skf21("6","2","2","2","2","3","7","1") = "6"
    & skf21("6","2","2","2","2","4","1","1") = "5"
    & skf21("6","2","2","2","2","4","2","1") = "5"
    & skf21("6","2","2","2","2","4","3","1") = "5"
    & skf21("6","2","2","2","2","4","4","1") = "5"
    & skf21("6","2","2","2","2","4","5","1") = "5"
    & skf21("6","2","2","2","2","4","6","1") = "5"
    & skf21("6","2","2","2","2","4","7","1") = "6"
    & skf21("6","2","2","2","2","5","1","1") = "5"
    & skf21("6","2","2","2","2","5","2","1") = "5"
    & skf21("6","2","2","2","2","5","3","1") = "5"
    & skf21("6","2","2","2","2","5","4","1") = "5"
    & skf21("6","2","2","2","2","5","5","1") = "5"
    & skf21("6","2","2","2","2","5","6","1") = "5"
    & skf21("6","2","2","2","2","5","7","1") = "6"
    & skf21("6","2","2","2","2","6","1","1") = "5"
    & skf21("6","2","2","2","2","6","2","1") = "5"
    & skf21("6","2","2","2","2","6","3","1") = "5"
    & skf21("6","2","2","2","2","6","4","1") = "5"
    & skf21("6","2","2","2","2","6","5","1") = "5"
    & skf21("6","2","2","2","2","6","6","1") = "5"
    & skf21("6","2","2","2","2","6","7","1") = "6"
    & skf21("6","2","2","2","2","7","1","1") = "6"
    & skf21("6","2","2","2","2","7","2","1") = "6"
    & skf21("6","2","2","2","2","7","3","1") = "6"
    & skf21("6","2","2","2","2","7","4","1") = "6"
    & skf21("6","2","2","2","2","7","5","1") = "6"
    & skf21("6","2","2","2","2","7","6","1") = "6"
    & skf21("6","2","2","2","2","7","7","1") = "6"
    & skf21("6","2","2","2","3","1","1","1") = "5"
    & skf21("6","2","2","2","3","1","2","1") = "5"
    & skf21("6","2","2","2","3","1","3","1") = "5"
    & skf21("6","2","2","2","3","1","4","1") = "5"
    & skf21("6","2","2","2","3","1","5","1") = "5"
    & skf21("6","2","2","2","3","1","6","1") = "5"
    & skf21("6","2","2","2","3","1","7","1") = "6"
    & skf21("6","2","2","2","3","2","1","1") = "5"
    & skf21("6","2","2","2","3","2","2","1") = "5"
    & skf21("6","2","2","2","3","2","3","1") = "5"
    & skf21("6","2","2","2","3","2","4","1") = "5"
    & skf21("6","2","2","2","3","2","5","1") = "5"
    & skf21("6","2","2","2","3","2","6","1") = "5"
    & skf21("6","2","2","2","3","2","7","1") = "6"
    & skf21("6","2","2","2","3","3","1","1") = "5"
    & skf21("6","2","2","2","3","3","2","1") = "5"
    & skf21("6","2","2","2","3","3","3","1") = "5"
    & skf21("6","2","2","2","3","3","4","1") = "5"
    & skf21("6","2","2","2","3","3","5","1") = "5"
    & skf21("6","2","2","2","3","3","6","1") = "5"
    & skf21("6","2","2","2","3","3","7","1") = "6"
    & skf21("6","2","2","2","3","4","1","1") = "5"
    & skf21("6","2","2","2","3","4","2","1") = "5"
    & skf21("6","2","2","2","3","4","3","1") = "5"
    & skf21("6","2","2","2","3","4","4","1") = "5"
    & skf21("6","2","2","2","3","4","5","1") = "5"
    & skf21("6","2","2","2","3","4","6","1") = "5"
    & skf21("6","2","2","2","3","4","7","1") = "6"
    & skf21("6","2","2","2","3","5","1","1") = "5"
    & skf21("6","2","2","2","3","5","2","1") = "5"
    & skf21("6","2","2","2","3","5","3","1") = "5"
    & skf21("6","2","2","2","3","5","4","1") = "5"
    & skf21("6","2","2","2","3","5","5","1") = "5"
    & skf21("6","2","2","2","3","5","6","1") = "5"
    & skf21("6","2","2","2","3","5","7","1") = "6"
    & skf21("6","2","2","2","3","6","1","1") = "5"
    & skf21("6","2","2","2","3","6","2","1") = "5"
    & skf21("6","2","2","2","3","6","3","1") = "5"
    & skf21("6","2","2","2","3","6","4","1") = "5"
    & skf21("6","2","2","2","3","6","5","1") = "5"
    & skf21("6","2","2","2","3","6","6","1") = "5"
    & skf21("6","2","2","2","3","6","7","1") = "6"
    & skf21("6","2","2","2","3","7","1","1") = "6"
    & skf21("6","2","2","2","3","7","2","1") = "6"
    & skf21("6","2","2","2","3","7","3","1") = "6"
    & skf21("6","2","2","2","3","7","4","1") = "6"
    & skf21("6","2","2","2","3","7","5","1") = "6"
    & skf21("6","2","2","2","3","7","6","1") = "6"
    & skf21("6","2","2","2","3","7","7","1") = "6"
    & skf21("6","2","2","2","4","1","1","1") = "5"
    & skf21("6","2","2","2","4","1","2","1") = "5"
    & skf21("6","2","2","2","4","1","3","1") = "5"
    & skf21("6","2","2","2","4","1","4","1") = "5"
    & skf21("6","2","2","2","4","1","5","1") = "5"
    & skf21("6","2","2","2","4","1","6","1") = "5"
    & skf21("6","2","2","2","4","1","7","1") = "6"
    & skf21("6","2","2","2","4","2","1","1") = "5"
    & skf21("6","2","2","2","4","2","2","1") = "5"
    & skf21("6","2","2","2","4","2","3","1") = "5"
    & skf21("6","2","2","2","4","2","4","1") = "5"
    & skf21("6","2","2","2","4","2","5","1") = "5"
    & skf21("6","2","2","2","4","2","6","1") = "5"
    & skf21("6","2","2","2","4","2","7","1") = "6"
    & skf21("6","2","2","2","4","3","1","1") = "5"
    & skf21("6","2","2","2","4","3","2","1") = "5"
    & skf21("6","2","2","2","4","3","3","1") = "5"
    & skf21("6","2","2","2","4","3","4","1") = "5"
    & skf21("6","2","2","2","4","3","5","1") = "5"
    & skf21("6","2","2","2","4","3","6","1") = "5"
    & skf21("6","2","2","2","4","3","7","1") = "6"
    & skf21("6","2","2","2","4","4","1","1") = "5"
    & skf21("6","2","2","2","4","4","2","1") = "5"
    & skf21("6","2","2","2","4","4","3","1") = "5"
    & skf21("6","2","2","2","4","4","4","1") = "5"
    & skf21("6","2","2","2","4","4","5","1") = "5"
    & skf21("6","2","2","2","4","4","6","1") = "5"
    & skf21("6","2","2","2","4","4","7","1") = "6"
    & skf21("6","2","2","2","4","5","1","1") = "5"
    & skf21("6","2","2","2","4","5","2","1") = "5"
    & skf21("6","2","2","2","4","5","3","1") = "5"
    & skf21("6","2","2","2","4","5","4","1") = "5"
    & skf21("6","2","2","2","4","5","5","1") = "5"
    & skf21("6","2","2","2","4","5","6","1") = "5"
    & skf21("6","2","2","2","4","5","7","1") = "6"
    & skf21("6","2","2","2","4","6","1","1") = "5"
    & skf21("6","2","2","2","4","6","2","1") = "5"
    & skf21("6","2","2","2","4","6","3","1") = "5"
    & skf21("6","2","2","2","4","6","4","1") = "5"
    & skf21("6","2","2","2","4","6","5","1") = "5"
    & skf21("6","2","2","2","4","6","6","1") = "5"
    & skf21("6","2","2","2","4","6","7","1") = "6"
    & skf21("6","2","2","2","4","7","1","1") = "6"
    & skf21("6","2","2","2","4","7","2","1") = "6"
    & skf21("6","2","2","2","4","7","3","1") = "6"
    & skf21("6","2","2","2","4","7","4","1") = "6"
    & skf21("6","2","2","2","4","7","5","1") = "6"
    & skf21("6","2","2","2","4","7","6","1") = "6"
    & skf21("6","2","2","2","4","7","7","1") = "6"
    & skf21("6","2","2","2","5","1","1","1") = "5"
    & skf21("6","2","2","2","5","1","2","1") = "5"
    & skf21("6","2","2","2","5","1","3","1") = "5"
    & skf21("6","2","2","2","5","1","4","1") = "5"
    & skf21("6","2","2","2","5","1","5","1") = "5"
    & skf21("6","2","2","2","5","1","6","1") = "5"
    & skf21("6","2","2","2","5","1","7","1") = "6"
    & skf21("6","2","2","2","5","2","1","1") = "5"
    & skf21("6","2","2","2","5","2","2","1") = "5"
    & skf21("6","2","2","2","5","2","3","1") = "5"
    & skf21("6","2","2","2","5","2","4","1") = "5"
    & skf21("6","2","2","2","5","2","5","1") = "5"
    & skf21("6","2","2","2","5","2","6","1") = "5"
    & skf21("6","2","2","2","5","2","7","1") = "6"
    & skf21("6","2","2","2","5","3","1","1") = "5"
    & skf21("6","2","2","2","5","3","2","1") = "5"
    & skf21("6","2","2","2","5","3","3","1") = "5"
    & skf21("6","2","2","2","5","3","4","1") = "5"
    & skf21("6","2","2","2","5","3","5","1") = "5"
    & skf21("6","2","2","2","5","3","6","1") = "5"
    & skf21("6","2","2","2","5","3","7","1") = "6"
    & skf21("6","2","2","2","5","4","1","1") = "5"
    & skf21("6","2","2","2","5","4","2","1") = "5"
    & skf21("6","2","2","2","5","4","3","1") = "5"
    & skf21("6","2","2","2","5","4","4","1") = "5"
    & skf21("6","2","2","2","5","4","5","1") = "5"
    & skf21("6","2","2","2","5","4","6","1") = "5"
    & skf21("6","2","2","2","5","4","7","1") = "6"
    & skf21("6","2","2","2","5","5","1","1") = "5"
    & skf21("6","2","2","2","5","5","2","1") = "5"
    & skf21("6","2","2","2","5","5","3","1") = "5"
    & skf21("6","2","2","2","5","5","4","1") = "5"
    & skf21("6","2","2","2","5","5","5","1") = "5"
    & skf21("6","2","2","2","5","5","6","1") = "5"
    & skf21("6","2","2","2","5","5","7","1") = "6"
    & skf21("6","2","2","2","5","6","1","1") = "5"
    & skf21("6","2","2","2","5","6","2","1") = "5"
    & skf21("6","2","2","2","5","6","3","1") = "5"
    & skf21("6","2","2","2","5","6","4","1") = "5"
    & skf21("6","2","2","2","5","6","5","1") = "5"
    & skf21("6","2","2","2","5","6","6","1") = "5"
    & skf21("6","2","2","2","5","6","7","1") = "6"
    & skf21("6","2","2","2","5","7","1","1") = "6"
    & skf21("6","2","2","2","5","7","2","1") = "6"
    & skf21("6","2","2","2","5","7","3","1") = "6"
    & skf21("6","2","2","2","5","7","4","1") = "6"
    & skf21("6","2","2","2","5","7","5","1") = "6"
    & skf21("6","2","2","2","5","7","6","1") = "6"
    & skf21("6","2","2","2","5","7","7","1") = "6"
    & skf21("6","2","2","2","6","1","1","1") = "5"
    & skf21("6","2","2","2","6","1","2","1") = "5"
    & skf21("6","2","2","2","6","1","3","1") = "5"
    & skf21("6","2","2","2","6","1","4","1") = "5"
    & skf21("6","2","2","2","6","1","5","1") = "5"
    & skf21("6","2","2","2","6","1","6","1") = "5"
    & skf21("6","2","2","2","6","1","7","1") = "6"
    & skf21("6","2","2","2","6","2","1","1") = "5"
    & skf21("6","2","2","2","6","2","2","1") = "5"
    & skf21("6","2","2","2","6","2","3","1") = "5"
    & skf21("6","2","2","2","6","2","4","1") = "5"
    & skf21("6","2","2","2","6","2","5","1") = "5"
    & skf21("6","2","2","2","6","2","6","1") = "5"
    & skf21("6","2","2","2","6","2","7","1") = "6"
    & skf21("6","2","2","2","6","3","1","1") = "5"
    & skf21("6","2","2","2","6","3","2","1") = "5"
    & skf21("6","2","2","2","6","3","3","1") = "5"
    & skf21("6","2","2","2","6","3","4","1") = "5"
    & skf21("6","2","2","2","6","3","5","1") = "5"
    & skf21("6","2","2","2","6","3","6","1") = "5"
    & skf21("6","2","2","2","6","3","7","1") = "6"
    & skf21("6","2","2","2","6","4","1","1") = "5"
    & skf21("6","2","2","2","6","4","2","1") = "5"
    & skf21("6","2","2","2","6","4","3","1") = "5"
    & skf21("6","2","2","2","6","4","4","1") = "5"
    & skf21("6","2","2","2","6","4","5","1") = "5"
    & skf21("6","2","2","2","6","4","6","1") = "5"
    & skf21("6","2","2","2","6","4","7","1") = "6"
    & skf21("6","2","2","2","6","5","1","1") = "5"
    & skf21("6","2","2","2","6","5","2","1") = "5"
    & skf21("6","2","2","2","6","5","3","1") = "5"
    & skf21("6","2","2","2","6","5","4","1") = "5"
    & skf21("6","2","2","2","6","5","5","1") = "5"
    & skf21("6","2","2","2","6","5","6","1") = "5"
    & skf21("6","2","2","2","6","5","7","1") = "6"
    & skf21("6","2","2","2","6","6","1","1") = "5"
    & skf21("6","2","2","2","6","6","2","1") = "5"
    & skf21("6","2","2","2","6","6","3","1") = "5"
    & skf21("6","2","2","2","6","6","4","1") = "5"
    & skf21("6","2","2","2","6","6","5","1") = "5"
    & skf21("6","2","2","2","6","6","6","1") = "5"
    & skf21("6","2","2","2","6","6","7","1") = "6"
    & skf21("6","2","2","2","6","7","1","1") = "6"
    & skf21("6","2","2","2","6","7","2","1") = "6"
    & skf21("6","2","2","2","6","7","3","1") = "6"
    & skf21("6","2","2","2","6","7","4","1") = "6"
    & skf21("6","2","2","2","6","7","5","1") = "6"
    & skf21("6","2","2","2","6","7","6","1") = "6"
    & skf21("6","2","2","2","6","7","7","1") = "6"
    & skf21("6","2","2","2","7","1","1","1") = "6"
    & skf21("6","2","2","2","7","1","2","1") = "6"
    & skf21("6","2","2","2","7","1","3","1") = "6"
    & skf21("6","2","2","2","7","1","4","1") = "6"
    & skf21("6","2","2","2","7","1","5","1") = "6"
    & skf21("6","2","2","2","7","1","6","1") = "6"
    & skf21("6","2","2","2","7","1","7","1") = "6"
    & skf21("6","2","2","2","7","2","1","1") = "6"
    & skf21("6","2","2","2","7","2","2","1") = "6"
    & skf21("6","2","2","2","7","2","3","1") = "6"
    & skf21("6","2","2","2","7","2","4","1") = "6"
    & skf21("6","2","2","2","7","2","5","1") = "6"
    & skf21("6","2","2","2","7","2","6","1") = "6"
    & skf21("6","2","2","2","7","2","7","1") = "6"
    & skf21("6","2","2","2","7","3","1","1") = "6"
    & skf21("6","2","2","2","7","3","2","1") = "6"
    & skf21("6","2","2","2","7","3","3","1") = "6"
    & skf21("6","2","2","2","7","3","4","1") = "6"
    & skf21("6","2","2","2","7","3","5","1") = "6"
    & skf21("6","2","2","2","7","3","6","1") = "6"
    & skf21("6","2","2","2","7","3","7","1") = "6"
    & skf21("6","2","2","2","7","4","1","1") = "6"
    & skf21("6","2","2","2","7","4","2","1") = "6"
    & skf21("6","2","2","2","7","4","3","1") = "6"
    & skf21("6","2","2","2","7","4","4","1") = "6"
    & skf21("6","2","2","2","7","4","5","1") = "6"
    & skf21("6","2","2","2","7","4","6","1") = "6"
    & skf21("6","2","2","2","7","4","7","1") = "6"
    & skf21("6","2","2","2","7","5","1","1") = "6"
    & skf21("6","2","2","2","7","5","2","1") = "6"
    & skf21("6","2","2","2","7","5","3","1") = "6"
    & skf21("6","2","2","2","7","5","4","1") = "6"
    & skf21("6","2","2","2","7","5","5","1") = "6"
    & skf21("6","2","2","2","7","5","6","1") = "6"
    & skf21("6","2","2","2","7","5","7","1") = "6"
    & skf21("6","2","2","2","7","6","1","1") = "6"
    & skf21("6","2","2","2","7","6","2","1") = "6"
    & skf21("6","2","2","2","7","6","3","1") = "6"
    & skf21("6","2","2","2","7","6","4","1") = "6"
    & skf21("6","2","2","2","7","6","5","1") = "6"
    & skf21("6","2","2","2","7","6","6","1") = "6"
    & skf21("6","2","2","2","7","6","7","1") = "6"
    & skf21("6","2","2","2","7","7","1","1") = "6"
    & skf21("6","2","2","2","7","7","2","1") = "6"
    & skf21("6","2","2","2","7","7","3","1") = "6"
    & skf21("6","2","2","2","7","7","4","1") = "6"
    & skf21("6","2","2","2","7","7","5","1") = "6"
    & skf21("6","2","2","2","7","7","6","1") = "6"
    & skf21("6","2","2","2","7","7","7","1") = "6"
    & skf21("6","2","2","3","1","1","1","1") = "5"
    & skf21("6","2","2","3","1","1","2","1") = "5"
    & skf21("6","2","2","3","1","1","3","1") = "5"
    & skf21("6","2","2","3","1","1","4","1") = "5"
    & skf21("6","2","2","3","1","1","5","1") = "5"
    & skf21("6","2","2","3","1","1","6","1") = "5"
    & skf21("6","2","2","3","1","1","7","1") = "6"
    & skf21("6","2","2","3","1","2","1","1") = "5"
    & skf21("6","2","2","3","1","2","2","1") = "5"
    & skf21("6","2","2","3","1","2","3","1") = "5"
    & skf21("6","2","2","3","1","2","4","1") = "5"
    & skf21("6","2","2","3","1","2","5","1") = "5"
    & skf21("6","2","2","3","1","2","6","1") = "5"
    & skf21("6","2","2","3","1","2","7","1") = "6"
    & skf21("6","2","2","3","1","3","1","1") = "5"
    & skf21("6","2","2","3","1","3","2","1") = "5"
    & skf21("6","2","2","3","1","3","3","1") = "5"
    & skf21("6","2","2","3","1","3","4","1") = "5"
    & skf21("6","2","2","3","1","3","5","1") = "5"
    & skf21("6","2","2","3","1","3","6","1") = "5"
    & skf21("6","2","2","3","1","3","7","1") = "6"
    & skf21("6","2","2","3","1","4","1","1") = "5"
    & skf21("6","2","2","3","1","4","2","1") = "5"
    & skf21("6","2","2","3","1","4","3","1") = "5"
    & skf21("6","2","2","3","1","4","4","1") = "5"
    & skf21("6","2","2","3","1","4","5","1") = "5"
    & skf21("6","2","2","3","1","4","6","1") = "5"
    & skf21("6","2","2","3","1","4","7","1") = "6"
    & skf21("6","2","2","3","1","5","1","1") = "5"
    & skf21("6","2","2","3","1","5","2","1") = "5"
    & skf21("6","2","2","3","1","5","3","1") = "5"
    & skf21("6","2","2","3","1","5","4","1") = "5"
    & skf21("6","2","2","3","1","5","5","1") = "5"
    & skf21("6","2","2","3","1","5","6","1") = "5"
    & skf21("6","2","2","3","1","5","7","1") = "6"
    & skf21("6","2","2","3","1","6","1","1") = "5"
    & skf21("6","2","2","3","1","6","2","1") = "5"
    & skf21("6","2","2","3","1","6","3","1") = "5"
    & skf21("6","2","2","3","1","6","4","1") = "5"
    & skf21("6","2","2","3","1","6","5","1") = "5"
    & skf21("6","2","2","3","1","6","6","1") = "5"
    & skf21("6","2","2","3","1","6","7","1") = "6"
    & skf21("6","2","2","3","1","7","1","1") = "6"
    & skf21("6","2","2","3","1","7","2","1") = "6"
    & skf21("6","2","2","3","1","7","3","1") = "6"
    & skf21("6","2","2","3","1","7","4","1") = "6"
    & skf21("6","2","2","3","1","7","5","1") = "6"
    & skf21("6","2","2","3","1","7","6","1") = "6"
    & skf21("6","2","2","3","1","7","7","1") = "6"
    & skf21("6","2","2","3","2","1","1","1") = "5"
    & skf21("6","2","2","3","2","1","2","1") = "5"
    & skf21("6","2","2","3","2","1","3","1") = "5"
    & skf21("6","2","2","3","2","1","4","1") = "5"
    & skf21("6","2","2","3","2","1","5","1") = "5"
    & skf21("6","2","2","3","2","1","6","1") = "5"
    & skf21("6","2","2","3","2","1","7","1") = "6"
    & skf21("6","2","2","3","2","2","1","1") = "5"
    & skf21("6","2","2","3","2","2","2","1") = "5"
    & skf21("6","2","2","3","2","2","3","1") = "5"
    & skf21("6","2","2","3","2","2","4","1") = "5"
    & skf21("6","2","2","3","2","2","5","1") = "5"
    & skf21("6","2","2","3","2","2","6","1") = "5"
    & skf21("6","2","2","3","2","2","7","1") = "6"
    & skf21("6","2","2","3","2","3","1","1") = "5"
    & skf21("6","2","2","3","2","3","2","1") = "5"
    & skf21("6","2","2","3","2","3","3","1") = "5"
    & skf21("6","2","2","3","2","3","4","1") = "5"
    & skf21("6","2","2","3","2","3","5","1") = "5"
    & skf21("6","2","2","3","2","3","6","1") = "5"
    & skf21("6","2","2","3","2","3","7","1") = "6"
    & skf21("6","2","2","3","2","4","1","1") = "5"
    & skf21("6","2","2","3","2","4","2","1") = "5"
    & skf21("6","2","2","3","2","4","3","1") = "5"
    & skf21("6","2","2","3","2","4","4","1") = "5"
    & skf21("6","2","2","3","2","4","5","1") = "5"
    & skf21("6","2","2","3","2","4","6","1") = "5"
    & skf21("6","2","2","3","2","4","7","1") = "6"
    & skf21("6","2","2","3","2","5","1","1") = "5"
    & skf21("6","2","2","3","2","5","2","1") = "5"
    & skf21("6","2","2","3","2","5","3","1") = "5"
    & skf21("6","2","2","3","2","5","4","1") = "5"
    & skf21("6","2","2","3","2","5","5","1") = "5"
    & skf21("6","2","2","3","2","5","6","1") = "5"
    & skf21("6","2","2","3","2","5","7","1") = "6"
    & skf21("6","2","2","3","2","6","1","1") = "5"
    & skf21("6","2","2","3","2","6","2","1") = "5"
    & skf21("6","2","2","3","2","6","3","1") = "5"
    & skf21("6","2","2","3","2","6","4","1") = "5"
    & skf21("6","2","2","3","2","6","5","1") = "5"
    & skf21("6","2","2","3","2","6","6","1") = "5"
    & skf21("6","2","2","3","2","6","7","1") = "6"
    & skf21("6","2","2","3","2","7","1","1") = "6"
    & skf21("6","2","2","3","2","7","2","1") = "6"
    & skf21("6","2","2","3","2","7","3","1") = "6"
    & skf21("6","2","2","3","2","7","4","1") = "6"
    & skf21("6","2","2","3","2","7","5","1") = "6"
    & skf21("6","2","2","3","2","7","6","1") = "6"
    & skf21("6","2","2","3","2","7","7","1") = "6"
    & skf21("6","2","2","3","3","1","1","1") = "5"
    & skf21("6","2","2","3","3","1","2","1") = "5"
    & skf21("6","2","2","3","3","1","3","1") = "5"
    & skf21("6","2","2","3","3","1","4","1") = "5"
    & skf21("6","2","2","3","3","1","5","1") = "5"
    & skf21("6","2","2","3","3","1","6","1") = "5"
    & skf21("6","2","2","3","3","1","7","1") = "6"
    & skf21("6","2","2","3","3","2","1","1") = "5"
    & skf21("6","2","2","3","3","2","2","1") = "5"
    & skf21("6","2","2","3","3","2","3","1") = "5"
    & skf21("6","2","2","3","3","2","4","1") = "5"
    & skf21("6","2","2","3","3","2","5","1") = "5"
    & skf21("6","2","2","3","3","2","6","1") = "5"
    & skf21("6","2","2","3","3","2","7","1") = "6"
    & skf21("6","2","2","3","3","3","1","1") = "5"
    & skf21("6","2","2","3","3","3","2","1") = "5"
    & skf21("6","2","2","3","3","3","3","1") = "5"
    & skf21("6","2","2","3","3","3","4","1") = "5"
    & skf21("6","2","2","3","3","3","5","1") = "5"
    & skf21("6","2","2","3","3","3","6","1") = "5"
    & skf21("6","2","2","3","3","3","7","1") = "6"
    & skf21("6","2","2","3","3","4","1","1") = "5"
    & skf21("6","2","2","3","3","4","2","1") = "5"
    & skf21("6","2","2","3","3","4","3","1") = "5"
    & skf21("6","2","2","3","3","4","4","1") = "5"
    & skf21("6","2","2","3","3","4","5","1") = "5"
    & skf21("6","2","2","3","3","4","6","1") = "5"
    & skf21("6","2","2","3","3","4","7","1") = "6"
    & skf21("6","2","2","3","3","5","1","1") = "5"
    & skf21("6","2","2","3","3","5","2","1") = "5"
    & skf21("6","2","2","3","3","5","3","1") = "5"
    & skf21("6","2","2","3","3","5","4","1") = "5"
    & skf21("6","2","2","3","3","5","5","1") = "5"
    & skf21("6","2","2","3","3","5","6","1") = "5"
    & skf21("6","2","2","3","3","5","7","1") = "6"
    & skf21("6","2","2","3","3","6","1","1") = "5"
    & skf21("6","2","2","3","3","6","2","1") = "5"
    & skf21("6","2","2","3","3","6","3","1") = "5"
    & skf21("6","2","2","3","3","6","4","1") = "5"
    & skf21("6","2","2","3","3","6","5","1") = "5"
    & skf21("6","2","2","3","3","6","6","1") = "5"
    & skf21("6","2","2","3","3","6","7","1") = "6"
    & skf21("6","2","2","3","3","7","1","1") = "6"
    & skf21("6","2","2","3","3","7","2","1") = "6"
    & skf21("6","2","2","3","3","7","3","1") = "6"
    & skf21("6","2","2","3","3","7","4","1") = "6"
    & skf21("6","2","2","3","3","7","5","1") = "6"
    & skf21("6","2","2","3","3","7","6","1") = "6"
    & skf21("6","2","2","3","3","7","7","1") = "6"
    & skf21("6","2","2","3","4","1","1","1") = "5"
    & skf21("6","2","2","3","4","1","2","1") = "5"
    & skf21("6","2","2","3","4","1","3","1") = "5"
    & skf21("6","2","2","3","4","1","4","1") = "5"
    & skf21("6","2","2","3","4","1","5","1") = "5"
    & skf21("6","2","2","3","4","1","6","1") = "5"
    & skf21("6","2","2","3","4","1","7","1") = "6"
    & skf21("6","2","2","3","4","2","1","1") = "5"
    & skf21("6","2","2","3","4","2","2","1") = "5"
    & skf21("6","2","2","3","4","2","3","1") = "5"
    & skf21("6","2","2","3","4","2","4","1") = "5"
    & skf21("6","2","2","3","4","2","5","1") = "5"
    & skf21("6","2","2","3","4","2","6","1") = "5"
    & skf21("6","2","2","3","4","2","7","1") = "6"
    & skf21("6","2","2","3","4","3","1","1") = "5"
    & skf21("6","2","2","3","4","3","2","1") = "5"
    & skf21("6","2","2","3","4","3","3","1") = "5"
    & skf21("6","2","2","3","4","3","4","1") = "5"
    & skf21("6","2","2","3","4","3","5","1") = "5"
    & skf21("6","2","2","3","4","3","6","1") = "5"
    & skf21("6","2","2","3","4","3","7","1") = "6"
    & skf21("6","2","2","3","4","4","1","1") = "5"
    & skf21("6","2","2","3","4","4","2","1") = "5"
    & skf21("6","2","2","3","4","4","3","1") = "5"
    & skf21("6","2","2","3","4","4","4","1") = "5"
    & skf21("6","2","2","3","4","4","5","1") = "5"
    & skf21("6","2","2","3","4","4","6","1") = "5"
    & skf21("6","2","2","3","4","4","7","1") = "6"
    & skf21("6","2","2","3","4","5","1","1") = "5"
    & skf21("6","2","2","3","4","5","2","1") = "5"
    & skf21("6","2","2","3","4","5","3","1") = "5"
    & skf21("6","2","2","3","4","5","4","1") = "5"
    & skf21("6","2","2","3","4","5","5","1") = "5"
    & skf21("6","2","2","3","4","5","6","1") = "5"
    & skf21("6","2","2","3","4","5","7","1") = "6"
    & skf21("6","2","2","3","4","6","1","1") = "5"
    & skf21("6","2","2","3","4","6","2","1") = "5"
    & skf21("6","2","2","3","4","6","3","1") = "5"
    & skf21("6","2","2","3","4","6","4","1") = "5"
    & skf21("6","2","2","3","4","6","5","1") = "5"
    & skf21("6","2","2","3","4","6","6","1") = "5"
    & skf21("6","2","2","3","4","6","7","1") = "6"
    & skf21("6","2","2","3","4","7","1","1") = "6"
    & skf21("6","2","2","3","4","7","2","1") = "6"
    & skf21("6","2","2","3","4","7","3","1") = "6"
    & skf21("6","2","2","3","4","7","4","1") = "6"
    & skf21("6","2","2","3","4","7","5","1") = "6"
    & skf21("6","2","2","3","4","7","6","1") = "6"
    & skf21("6","2","2","3","4","7","7","1") = "6"
    & skf21("6","2","2","3","5","1","1","1") = "5"
    & skf21("6","2","2","3","5","1","2","1") = "5"
    & skf21("6","2","2","3","5","1","3","1") = "5"
    & skf21("6","2","2","3","5","1","4","1") = "5"
    & skf21("6","2","2","3","5","1","5","1") = "5"
    & skf21("6","2","2","3","5","1","6","1") = "5"
    & skf21("6","2","2","3","5","1","7","1") = "6"
    & skf21("6","2","2","3","5","2","1","1") = "5"
    & skf21("6","2","2","3","5","2","2","1") = "5"
    & skf21("6","2","2","3","5","2","3","1") = "5"
    & skf21("6","2","2","3","5","2","4","1") = "5"
    & skf21("6","2","2","3","5","2","5","1") = "5"
    & skf21("6","2","2","3","5","2","6","1") = "5"
    & skf21("6","2","2","3","5","2","7","1") = "6"
    & skf21("6","2","2","3","5","3","1","1") = "5"
    & skf21("6","2","2","3","5","3","2","1") = "5"
    & skf21("6","2","2","3","5","3","3","1") = "5"
    & skf21("6","2","2","3","5","3","4","1") = "5"
    & skf21("6","2","2","3","5","3","5","1") = "5"
    & skf21("6","2","2","3","5","3","6","1") = "5"
    & skf21("6","2","2","3","5","3","7","1") = "6"
    & skf21("6","2","2","3","5","4","1","1") = "5"
    & skf21("6","2","2","3","5","4","2","1") = "5"
    & skf21("6","2","2","3","5","4","3","1") = "5"
    & skf21("6","2","2","3","5","4","4","1") = "5"
    & skf21("6","2","2","3","5","4","5","1") = "5"
    & skf21("6","2","2","3","5","4","6","1") = "5"
    & skf21("6","2","2","3","5","4","7","1") = "6"
    & skf21("6","2","2","3","5","5","1","1") = "5"
    & skf21("6","2","2","3","5","5","2","1") = "5"
    & skf21("6","2","2","3","5","5","3","1") = "5"
    & skf21("6","2","2","3","5","5","4","1") = "5"
    & skf21("6","2","2","3","5","5","5","1") = "5"
    & skf21("6","2","2","3","5","5","6","1") = "5"
    & skf21("6","2","2","3","5","5","7","1") = "6"
    & skf21("6","2","2","3","5","6","1","1") = "5"
    & skf21("6","2","2","3","5","6","2","1") = "5"
    & skf21("6","2","2","3","5","6","3","1") = "5"
    & skf21("6","2","2","3","5","6","4","1") = "5"
    & skf21("6","2","2","3","5","6","5","1") = "5"
    & skf21("6","2","2","3","5","6","6","1") = "5"
    & skf21("6","2","2","3","5","6","7","1") = "6"
    & skf21("6","2","2","3","5","7","1","1") = "6"
    & skf21("6","2","2","3","5","7","2","1") = "6"
    & skf21("6","2","2","3","5","7","3","1") = "6"
    & skf21("6","2","2","3","5","7","4","1") = "6"
    & skf21("6","2","2","3","5","7","5","1") = "6"
    & skf21("6","2","2","3","5","7","6","1") = "6"
    & skf21("6","2","2","3","5","7","7","1") = "6"
    & skf21("6","2","2","3","6","1","1","1") = "5"
    & skf21("6","2","2","3","6","1","2","1") = "5"
    & skf21("6","2","2","3","6","1","3","1") = "5"
    & skf21("6","2","2","3","6","1","4","1") = "5"
    & skf21("6","2","2","3","6","1","5","1") = "5"
    & skf21("6","2","2","3","6","1","6","1") = "5"
    & skf21("6","2","2","3","6","1","7","1") = "6"
    & skf21("6","2","2","3","6","2","1","1") = "5"
    & skf21("6","2","2","3","6","2","2","1") = "5"
    & skf21("6","2","2","3","6","2","3","1") = "5"
    & skf21("6","2","2","3","6","2","4","1") = "5"
    & skf21("6","2","2","3","6","2","5","1") = "5"
    & skf21("6","2","2","3","6","2","6","1") = "5"
    & skf21("6","2","2","3","6","2","7","1") = "6"
    & skf21("6","2","2","3","6","3","1","1") = "5"
    & skf21("6","2","2","3","6","3","2","1") = "5"
    & skf21("6","2","2","3","6","3","3","1") = "5"
    & skf21("6","2","2","3","6","3","4","1") = "5"
    & skf21("6","2","2","3","6","3","5","1") = "5"
    & skf21("6","2","2","3","6","3","6","1") = "5"
    & skf21("6","2","2","3","6","3","7","1") = "6"
    & skf21("6","2","2","3","6","4","1","1") = "5"
    & skf21("6","2","2","3","6","4","2","1") = "5"
    & skf21("6","2","2","3","6","4","3","1") = "5"
    & skf21("6","2","2","3","6","4","4","1") = "5"
    & skf21("6","2","2","3","6","4","5","1") = "5"
    & skf21("6","2","2","3","6","4","6","1") = "5"
    & skf21("6","2","2","3","6","4","7","1") = "6"
    & skf21("6","2","2","3","6","5","1","1") = "5"
    & skf21("6","2","2","3","6","5","2","1") = "5"
    & skf21("6","2","2","3","6","5","3","1") = "5"
    & skf21("6","2","2","3","6","5","4","1") = "5"
    & skf21("6","2","2","3","6","5","5","1") = "5"
    & skf21("6","2","2","3","6","5","6","1") = "5"
    & skf21("6","2","2","3","6","5","7","1") = "6"
    & skf21("6","2","2","3","6","6","1","1") = "5"
    & skf21("6","2","2","3","6","6","2","1") = "5"
    & skf21("6","2","2","3","6","6","3","1") = "5"
    & skf21("6","2","2","3","6","6","4","1") = "5"
    & skf21("6","2","2","3","6","6","5","1") = "5"
    & skf21("6","2","2","3","6","6","6","1") = "5"
    & skf21("6","2","2","3","6","6","7","1") = "6"
    & skf21("6","2","2","3","6","7","1","1") = "6"
    & skf21("6","2","2","3","6","7","2","1") = "6"
    & skf21("6","2","2","3","6","7","3","1") = "6"
    & skf21("6","2","2","3","6","7","4","1") = "6"
    & skf21("6","2","2","3","6","7","5","1") = "6"
    & skf21("6","2","2","3","6","7","6","1") = "6"
    & skf21("6","2","2","3","6","7","7","1") = "6"
    & skf21("6","2","2","3","7","1","1","1") = "6"
    & skf21("6","2","2","3","7","1","2","1") = "6"
    & skf21("6","2","2","3","7","1","3","1") = "6"
    & skf21("6","2","2","3","7","1","4","1") = "6"
    & skf21("6","2","2","3","7","1","5","1") = "6"
    & skf21("6","2","2","3","7","1","6","1") = "6"
    & skf21("6","2","2","3","7","1","7","1") = "6"
    & skf21("6","2","2","3","7","2","1","1") = "6"
    & skf21("6","2","2","3","7","2","2","1") = "6"
    & skf21("6","2","2","3","7","2","3","1") = "6"
    & skf21("6","2","2","3","7","2","4","1") = "6"
    & skf21("6","2","2","3","7","2","5","1") = "6"
    & skf21("6","2","2","3","7","2","6","1") = "6"
    & skf21("6","2","2","3","7","2","7","1") = "6"
    & skf21("6","2","2","3","7","3","1","1") = "6"
    & skf21("6","2","2","3","7","3","2","1") = "6"
    & skf21("6","2","2","3","7","3","3","1") = "6"
    & skf21("6","2","2","3","7","3","4","1") = "6"
    & skf21("6","2","2","3","7","3","5","1") = "6"
    & skf21("6","2","2","3","7","3","6","1") = "6"
    & skf21("6","2","2","3","7","3","7","1") = "6"
    & skf21("6","2","2","3","7","4","1","1") = "6"
    & skf21("6","2","2","3","7","4","2","1") = "6"
    & skf21("6","2","2","3","7","4","3","1") = "6"
    & skf21("6","2","2","3","7","4","4","1") = "6"
    & skf21("6","2","2","3","7","4","5","1") = "6"
    & skf21("6","2","2","3","7","4","6","1") = "6"
    & skf21("6","2","2","3","7","4","7","1") = "6"
    & skf21("6","2","2","3","7","5","1","1") = "6"
    & skf21("6","2","2","3","7","5","2","1") = "6"
    & skf21("6","2","2","3","7","5","3","1") = "6"
    & skf21("6","2","2","3","7","5","4","1") = "6"
    & skf21("6","2","2","3","7","5","5","1") = "6"
    & skf21("6","2","2","3","7","5","6","1") = "6"
    & skf21("6","2","2","3","7","5","7","1") = "6"
    & skf21("6","2","2","3","7","6","1","1") = "6"
    & skf21("6","2","2","3","7","6","2","1") = "6"
    & skf21("6","2","2","3","7","6","3","1") = "6"
    & skf21("6","2","2","3","7","6","4","1") = "6"
    & skf21("6","2","2","3","7","6","5","1") = "6"
    & skf21("6","2","2","3","7","6","6","1") = "6"
    & skf21("6","2","2","3","7","6","7","1") = "6"
    & skf21("6","2","2","3","7","7","1","1") = "6"
    & skf21("6","2","2","3","7","7","2","1") = "6"
    & skf21("6","2","2","3","7","7","3","1") = "6"
    & skf21("6","2","2","3","7","7","4","1") = "6"
    & skf21("6","2","2","3","7","7","5","1") = "6"
    & skf21("6","2","2","3","7","7","6","1") = "6"
    & skf21("6","2","2","3","7","7","7","1") = "6"
    & skf21("6","2","2","4","1","1","1","1") = "5"
    & skf21("6","2","2","4","1","1","2","1") = "5"
    & skf21("6","2","2","4","1","1","3","1") = "5"
    & skf21("6","2","2","4","1","1","4","1") = "5"
    & skf21("6","2","2","4","1","1","5","1") = "5"
    & skf21("6","2","2","4","1","1","6","1") = "5"
    & skf21("6","2","2","4","1","1","7","1") = "6"
    & skf21("6","2","2","4","1","2","1","1") = "5"
    & skf21("6","2","2","4","1","2","2","1") = "5"
    & skf21("6","2","2","4","1","2","3","1") = "5"
    & skf21("6","2","2","4","1","2","4","1") = "5"
    & skf21("6","2","2","4","1","2","5","1") = "5"
    & skf21("6","2","2","4","1","2","6","1") = "5"
    & skf21("6","2","2","4","1","2","7","1") = "6"
    & skf21("6","2","2","4","1","3","1","1") = "5"
    & skf21("6","2","2","4","1","3","2","1") = "5"
    & skf21("6","2","2","4","1","3","3","1") = "5"
    & skf21("6","2","2","4","1","3","4","1") = "5"
    & skf21("6","2","2","4","1","3","5","1") = "5"
    & skf21("6","2","2","4","1","3","6","1") = "5"
    & skf21("6","2","2","4","1","3","7","1") = "6"
    & skf21("6","2","2","4","1","4","1","1") = "5"
    & skf21("6","2","2","4","1","4","2","1") = "5"
    & skf21("6","2","2","4","1","4","3","1") = "5"
    & skf21("6","2","2","4","1","4","4","1") = "5"
    & skf21("6","2","2","4","1","4","5","1") = "5"
    & skf21("6","2","2","4","1","4","6","1") = "5"
    & skf21("6","2","2","4","1","4","7","1") = "6"
    & skf21("6","2","2","4","1","5","1","1") = "5"
    & skf21("6","2","2","4","1","5","2","1") = "5"
    & skf21("6","2","2","4","1","5","3","1") = "5"
    & skf21("6","2","2","4","1","5","4","1") = "5"
    & skf21("6","2","2","4","1","5","5","1") = "5"
    & skf21("6","2","2","4","1","5","6","1") = "5"
    & skf21("6","2","2","4","1","5","7","1") = "6"
    & skf21("6","2","2","4","1","6","1","1") = "5"
    & skf21("6","2","2","4","1","6","2","1") = "5"
    & skf21("6","2","2","4","1","6","3","1") = "5"
    & skf21("6","2","2","4","1","6","4","1") = "5"
    & skf21("6","2","2","4","1","6","5","1") = "5"
    & skf21("6","2","2","4","1","6","6","1") = "5"
    & skf21("6","2","2","4","1","6","7","1") = "6"
    & skf21("6","2","2","4","1","7","1","1") = "6"
    & skf21("6","2","2","4","1","7","2","1") = "6"
    & skf21("6","2","2","4","1","7","3","1") = "6"
    & skf21("6","2","2","4","1","7","4","1") = "6"
    & skf21("6","2","2","4","1","7","5","1") = "6"
    & skf21("6","2","2","4","1","7","6","1") = "6"
    & skf21("6","2","2","4","1","7","7","1") = "6"
    & skf21("6","2","2","4","2","1","1","1") = "5"
    & skf21("6","2","2","4","2","1","2","1") = "5"
    & skf21("6","2","2","4","2","1","3","1") = "5"
    & skf21("6","2","2","4","2","1","4","1") = "5"
    & skf21("6","2","2","4","2","1","5","1") = "5"
    & skf21("6","2","2","4","2","1","6","1") = "5"
    & skf21("6","2","2","4","2","1","7","1") = "6"
    & skf21("6","2","2","4","2","2","1","1") = "5"
    & skf21("6","2","2","4","2","2","2","1") = "5"
    & skf21("6","2","2","4","2","2","3","1") = "5"
    & skf21("6","2","2","4","2","2","4","1") = "5"
    & skf21("6","2","2","4","2","2","5","1") = "5"
    & skf21("6","2","2","4","2","2","6","1") = "5"
    & skf21("6","2","2","4","2","2","7","1") = "6"
    & skf21("6","2","2","4","2","3","1","1") = "5"
    & skf21("6","2","2","4","2","3","2","1") = "5"
    & skf21("6","2","2","4","2","3","3","1") = "5"
    & skf21("6","2","2","4","2","3","4","1") = "5"
    & skf21("6","2","2","4","2","3","5","1") = "5"
    & skf21("6","2","2","4","2","3","6","1") = "5"
    & skf21("6","2","2","4","2","3","7","1") = "6"
    & skf21("6","2","2","4","2","4","1","1") = "5"
    & skf21("6","2","2","4","2","4","2","1") = "5"
    & skf21("6","2","2","4","2","4","3","1") = "5"
    & skf21("6","2","2","4","2","4","4","1") = "5"
    & skf21("6","2","2","4","2","4","5","1") = "5"
    & skf21("6","2","2","4","2","4","6","1") = "5"
    & skf21("6","2","2","4","2","4","7","1") = "6"
    & skf21("6","2","2","4","2","5","1","1") = "5"
    & skf21("6","2","2","4","2","5","2","1") = "5"
    & skf21("6","2","2","4","2","5","3","1") = "5"
    & skf21("6","2","2","4","2","5","4","1") = "5"
    & skf21("6","2","2","4","2","5","5","1") = "5"
    & skf21("6","2","2","4","2","5","6","1") = "5"
    & skf21("6","2","2","4","2","5","7","1") = "6"
    & skf21("6","2","2","4","2","6","1","1") = "5"
    & skf21("6","2","2","4","2","6","2","1") = "5"
    & skf21("6","2","2","4","2","6","3","1") = "5"
    & skf21("6","2","2","4","2","6","4","1") = "5"
    & skf21("6","2","2","4","2","6","5","1") = "5"
    & skf21("6","2","2","4","2","6","6","1") = "5"
    & skf21("6","2","2","4","2","6","7","1") = "6"
    & skf21("6","2","2","4","2","7","1","1") = "6"
    & skf21("6","2","2","4","2","7","2","1") = "6"
    & skf21("6","2","2","4","2","7","3","1") = "6"
    & skf21("6","2","2","4","2","7","4","1") = "6"
    & skf21("6","2","2","4","2","7","5","1") = "6"
    & skf21("6","2","2","4","2","7","6","1") = "6"
    & skf21("6","2","2","4","2","7","7","1") = "6"
    & skf21("6","2","2","4","3","1","1","1") = "5"
    & skf21("6","2","2","4","3","1","2","1") = "5"
    & skf21("6","2","2","4","3","1","3","1") = "5"
    & skf21("6","2","2","4","3","1","4","1") = "5"
    & skf21("6","2","2","4","3","1","5","1") = "5"
    & skf21("6","2","2","4","3","1","6","1") = "5"
    & skf21("6","2","2","4","3","1","7","1") = "6"
    & skf21("6","2","2","4","3","2","1","1") = "5"
    & skf21("6","2","2","4","3","2","2","1") = "5"
    & skf21("6","2","2","4","3","2","3","1") = "5"
    & skf21("6","2","2","4","3","2","4","1") = "5"
    & skf21("6","2","2","4","3","2","5","1") = "5"
    & skf21("6","2","2","4","3","2","6","1") = "5"
    & skf21("6","2","2","4","3","2","7","1") = "6"
    & skf21("6","2","2","4","3","3","1","1") = "5"
    & skf21("6","2","2","4","3","3","2","1") = "5"
    & skf21("6","2","2","4","3","3","3","1") = "5"
    & skf21("6","2","2","4","3","3","4","1") = "5"
    & skf21("6","2","2","4","3","3","5","1") = "5"
    & skf21("6","2","2","4","3","3","6","1") = "5"
    & skf21("6","2","2","4","3","3","7","1") = "6"
    & skf21("6","2","2","4","3","4","1","1") = "5"
    & skf21("6","2","2","4","3","4","2","1") = "5"
    & skf21("6","2","2","4","3","4","3","1") = "5"
    & skf21("6","2","2","4","3","4","4","1") = "5"
    & skf21("6","2","2","4","3","4","5","1") = "5"
    & skf21("6","2","2","4","3","4","6","1") = "5"
    & skf21("6","2","2","4","3","4","7","1") = "6"
    & skf21("6","2","2","4","3","5","1","1") = "5"
    & skf21("6","2","2","4","3","5","2","1") = "5"
    & skf21("6","2","2","4","3","5","3","1") = "5"
    & skf21("6","2","2","4","3","5","4","1") = "5"
    & skf21("6","2","2","4","3","5","5","1") = "5"
    & skf21("6","2","2","4","3","5","6","1") = "5"
    & skf21("6","2","2","4","3","5","7","1") = "6"
    & skf21("6","2","2","4","3","6","1","1") = "5"
    & skf21("6","2","2","4","3","6","2","1") = "5"
    & skf21("6","2","2","4","3","6","3","1") = "5"
    & skf21("6","2","2","4","3","6","4","1") = "5"
    & skf21("6","2","2","4","3","6","5","1") = "5"
    & skf21("6","2","2","4","3","6","6","1") = "5"
    & skf21("6","2","2","4","3","6","7","1") = "6"
    & skf21("6","2","2","4","3","7","1","1") = "6"
    & skf21("6","2","2","4","3","7","2","1") = "6"
    & skf21("6","2","2","4","3","7","3","1") = "6"
    & skf21("6","2","2","4","3","7","4","1") = "6"
    & skf21("6","2","2","4","3","7","5","1") = "6"
    & skf21("6","2","2","4","3","7","6","1") = "6"
    & skf21("6","2","2","4","3","7","7","1") = "6"
    & skf21("6","2","2","4","4","1","1","1") = "5"
    & skf21("6","2","2","4","4","1","2","1") = "5"
    & skf21("6","2","2","4","4","1","3","1") = "5"
    & skf21("6","2","2","4","4","1","4","1") = "5"
    & skf21("6","2","2","4","4","1","5","1") = "5"
    & skf21("6","2","2","4","4","1","6","1") = "5"
    & skf21("6","2","2","4","4","1","7","1") = "6"
    & skf21("6","2","2","4","4","2","1","1") = "5"
    & skf21("6","2","2","4","4","2","2","1") = "5"
    & skf21("6","2","2","4","4","2","3","1") = "5"
    & skf21("6","2","2","4","4","2","4","1") = "5"
    & skf21("6","2","2","4","4","2","5","1") = "5"
    & skf21("6","2","2","4","4","2","6","1") = "5"
    & skf21("6","2","2","4","4","2","7","1") = "6"
    & skf21("6","2","2","4","4","3","1","1") = "5"
    & skf21("6","2","2","4","4","3","2","1") = "5"
    & skf21("6","2","2","4","4","3","3","1") = "5"
    & skf21("6","2","2","4","4","3","4","1") = "5"
    & skf21("6","2","2","4","4","3","5","1") = "5"
    & skf21("6","2","2","4","4","3","6","1") = "5"
    & skf21("6","2","2","4","4","3","7","1") = "6"
    & skf21("6","2","2","4","4","4","1","1") = "5"
    & skf21("6","2","2","4","4","4","2","1") = "5"
    & skf21("6","2","2","4","4","4","3","1") = "5"
    & skf21("6","2","2","4","4","4","4","1") = "5"
    & skf21("6","2","2","4","4","4","5","1") = "5"
    & skf21("6","2","2","4","4","4","6","1") = "5"
    & skf21("6","2","2","4","4","4","7","1") = "6"
    & skf21("6","2","2","4","4","5","1","1") = "5"
    & skf21("6","2","2","4","4","5","2","1") = "5"
    & skf21("6","2","2","4","4","5","3","1") = "5"
    & skf21("6","2","2","4","4","5","4","1") = "5"
    & skf21("6","2","2","4","4","5","5","1") = "5"
    & skf21("6","2","2","4","4","5","6","1") = "5"
    & skf21("6","2","2","4","4","5","7","1") = "6"
    & skf21("6","2","2","4","4","6","1","1") = "5"
    & skf21("6","2","2","4","4","6","2","1") = "5"
    & skf21("6","2","2","4","4","6","3","1") = "5"
    & skf21("6","2","2","4","4","6","4","1") = "5"
    & skf21("6","2","2","4","4","6","5","1") = "5"
    & skf21("6","2","2","4","4","6","6","1") = "5"
    & skf21("6","2","2","4","4","6","7","1") = "6"
    & skf21("6","2","2","4","4","7","1","1") = "6"
    & skf21("6","2","2","4","4","7","2","1") = "6"
    & skf21("6","2","2","4","4","7","3","1") = "6"
    & skf21("6","2","2","4","4","7","4","1") = "6"
    & skf21("6","2","2","4","4","7","5","1") = "6"
    & skf21("6","2","2","4","4","7","6","1") = "6"
    & skf21("6","2","2","4","4","7","7","1") = "6"
    & skf21("6","2","2","4","5","1","1","1") = "5"
    & skf21("6","2","2","4","5","1","2","1") = "5"
    & skf21("6","2","2","4","5","1","3","1") = "5"
    & skf21("6","2","2","4","5","1","4","1") = "5"
    & skf21("6","2","2","4","5","1","5","1") = "5"
    & skf21("6","2","2","4","5","1","6","1") = "5"
    & skf21("6","2","2","4","5","1","7","1") = "6"
    & skf21("6","2","2","4","5","2","1","1") = "5"
    & skf21("6","2","2","4","5","2","2","1") = "5"
    & skf21("6","2","2","4","5","2","3","1") = "5"
    & skf21("6","2","2","4","5","2","4","1") = "5"
    & skf21("6","2","2","4","5","2","5","1") = "5"
    & skf21("6","2","2","4","5","2","6","1") = "5"
    & skf21("6","2","2","4","5","2","7","1") = "6"
    & skf21("6","2","2","4","5","3","1","1") = "5"
    & skf21("6","2","2","4","5","3","2","1") = "5"
    & skf21("6","2","2","4","5","3","3","1") = "5"
    & skf21("6","2","2","4","5","3","4","1") = "5"
    & skf21("6","2","2","4","5","3","5","1") = "5"
    & skf21("6","2","2","4","5","3","6","1") = "5"
    & skf21("6","2","2","4","5","3","7","1") = "6"
    & skf21("6","2","2","4","5","4","1","1") = "5"
    & skf21("6","2","2","4","5","4","2","1") = "5"
    & skf21("6","2","2","4","5","4","3","1") = "5"
    & skf21("6","2","2","4","5","4","4","1") = "5"
    & skf21("6","2","2","4","5","4","5","1") = "5"
    & skf21("6","2","2","4","5","4","6","1") = "5"
    & skf21("6","2","2","4","5","4","7","1") = "6"
    & skf21("6","2","2","4","5","5","1","1") = "5"
    & skf21("6","2","2","4","5","5","2","1") = "5"
    & skf21("6","2","2","4","5","5","3","1") = "5"
    & skf21("6","2","2","4","5","5","4","1") = "5"
    & skf21("6","2","2","4","5","5","5","1") = "5"
    & skf21("6","2","2","4","5","5","6","1") = "5"
    & skf21("6","2","2","4","5","5","7","1") = "6"
    & skf21("6","2","2","4","5","6","1","1") = "5"
    & skf21("6","2","2","4","5","6","2","1") = "5"
    & skf21("6","2","2","4","5","6","3","1") = "5"
    & skf21("6","2","2","4","5","6","4","1") = "5"
    & skf21("6","2","2","4","5","6","5","1") = "5"
    & skf21("6","2","2","4","5","6","6","1") = "5"
    & skf21("6","2","2","4","5","6","7","1") = "6"
    & skf21("6","2","2","4","5","7","1","1") = "6"
    & skf21("6","2","2","4","5","7","2","1") = "6"
    & skf21("6","2","2","4","5","7","3","1") = "6"
    & skf21("6","2","2","4","5","7","4","1") = "6"
    & skf21("6","2","2","4","5","7","5","1") = "6"
    & skf21("6","2","2","4","5","7","6","1") = "6"
    & skf21("6","2","2","4","5","7","7","1") = "6"
    & skf21("6","2","2","4","6","1","1","1") = "5"
    & skf21("6","2","2","4","6","1","2","1") = "5"
    & skf21("6","2","2","4","6","1","3","1") = "5"
    & skf21("6","2","2","4","6","1","4","1") = "5"
    & skf21("6","2","2","4","6","1","5","1") = "5"
    & skf21("6","2","2","4","6","1","6","1") = "5"
    & skf21("6","2","2","4","6","1","7","1") = "6"
    & skf21("6","2","2","4","6","2","1","1") = "5"
    & skf21("6","2","2","4","6","2","2","1") = "5"
    & skf21("6","2","2","4","6","2","3","1") = "5"
    & skf21("6","2","2","4","6","2","4","1") = "5"
    & skf21("6","2","2","4","6","2","5","1") = "5"
    & skf21("6","2","2","4","6","2","6","1") = "5"
    & skf21("6","2","2","4","6","2","7","1") = "6"
    & skf21("6","2","2","4","6","3","1","1") = "5"
    & skf21("6","2","2","4","6","3","2","1") = "5"
    & skf21("6","2","2","4","6","3","3","1") = "5"
    & skf21("6","2","2","4","6","3","4","1") = "5"
    & skf21("6","2","2","4","6","3","5","1") = "5"
    & skf21("6","2","2","4","6","3","6","1") = "5"
    & skf21("6","2","2","4","6","3","7","1") = "6"
    & skf21("6","2","2","4","6","4","1","1") = "5"
    & skf21("6","2","2","4","6","4","2","1") = "5"
    & skf21("6","2","2","4","6","4","3","1") = "5"
    & skf21("6","2","2","4","6","4","4","1") = "5"
    & skf21("6","2","2","4","6","4","5","1") = "5"
    & skf21("6","2","2","4","6","4","6","1") = "5"
    & skf21("6","2","2","4","6","4","7","1") = "6"
    & skf21("6","2","2","4","6","5","1","1") = "5"
    & skf21("6","2","2","4","6","5","2","1") = "5"
    & skf21("6","2","2","4","6","5","3","1") = "5"
    & skf21("6","2","2","4","6","5","4","1") = "5"
    & skf21("6","2","2","4","6","5","5","1") = "5"
    & skf21("6","2","2","4","6","5","6","1") = "5"
    & skf21("6","2","2","4","6","5","7","1") = "6"
    & skf21("6","2","2","4","6","6","1","1") = "5"
    & skf21("6","2","2","4","6","6","2","1") = "5"
    & skf21("6","2","2","4","6","6","3","1") = "5"
    & skf21("6","2","2","4","6","6","4","1") = "5"
    & skf21("6","2","2","4","6","6","5","1") = "5"
    & skf21("6","2","2","4","6","6","6","1") = "5"
    & skf21("6","2","2","4","6","6","7","1") = "6"
    & skf21("6","2","2","4","6","7","1","1") = "6"
    & skf21("6","2","2","4","6","7","2","1") = "6"
    & skf21("6","2","2","4","6","7","3","1") = "6"
    & skf21("6","2","2","4","6","7","4","1") = "6"
    & skf21("6","2","2","4","6","7","5","1") = "6"
    & skf21("6","2","2","4","6","7","6","1") = "6"
    & skf21("6","2","2","4","6","7","7","1") = "6"
    & skf21("6","2","2","4","7","1","1","1") = "6"
    & skf21("6","2","2","4","7","1","2","1") = "6"
    & skf21("6","2","2","4","7","1","3","1") = "6"
    & skf21("6","2","2","4","7","1","4","1") = "6"
    & skf21("6","2","2","4","7","1","5","1") = "6"
    & skf21("6","2","2","4","7","1","6","1") = "6"
    & skf21("6","2","2","4","7","1","7","1") = "6"
    & skf21("6","2","2","4","7","2","1","1") = "6"
    & skf21("6","2","2","4","7","2","2","1") = "6"
    & skf21("6","2","2","4","7","2","3","1") = "6"
    & skf21("6","2","2","4","7","2","4","1") = "6"
    & skf21("6","2","2","4","7","2","5","1") = "6"
    & skf21("6","2","2","4","7","2","6","1") = "6"
    & skf21("6","2","2","4","7","2","7","1") = "6"
    & skf21("6","2","2","4","7","3","1","1") = "6"
    & skf21("6","2","2","4","7","3","2","1") = "6"
    & skf21("6","2","2","4","7","3","3","1") = "6"
    & skf21("6","2","2","4","7","3","4","1") = "6"
    & skf21("6","2","2","4","7","3","5","1") = "6"
    & skf21("6","2","2","4","7","3","6","1") = "6"
    & skf21("6","2","2","4","7","3","7","1") = "6"
    & skf21("6","2","2","4","7","4","1","1") = "6"
    & skf21("6","2","2","4","7","4","2","1") = "6"
    & skf21("6","2","2","4","7","4","3","1") = "6"
    & skf21("6","2","2","4","7","4","4","1") = "6"
    & skf21("6","2","2","4","7","4","5","1") = "6"
    & skf21("6","2","2","4","7","4","6","1") = "6"
    & skf21("6","2","2","4","7","4","7","1") = "6"
    & skf21("6","2","2","4","7","5","1","1") = "6"
    & skf21("6","2","2","4","7","5","2","1") = "6"
    & skf21("6","2","2","4","7","5","3","1") = "6"
    & skf21("6","2","2","4","7","5","4","1") = "6"
    & skf21("6","2","2","4","7","5","5","1") = "6"
    & skf21("6","2","2","4","7","5","6","1") = "6"
    & skf21("6","2","2","4","7","5","7","1") = "6"
    & skf21("6","2","2","4","7","6","1","1") = "6"
    & skf21("6","2","2","4","7","6","2","1") = "6"
    & skf21("6","2","2","4","7","6","3","1") = "6"
    & skf21("6","2","2","4","7","6","4","1") = "6"
    & skf21("6","2","2","4","7","6","5","1") = "6"
    & skf21("6","2","2","4","7","6","6","1") = "6"
    & skf21("6","2","2","4","7","6","7","1") = "6"
    & skf21("6","2","2","4","7","7","1","1") = "6"
    & skf21("6","2","2","4","7","7","2","1") = "6"
    & skf21("6","2","2","4","7","7","3","1") = "6"
    & skf21("6","2","2","4","7","7","4","1") = "6"
    & skf21("6","2","2","4","7","7","5","1") = "6"
    & skf21("6","2","2","4","7","7","6","1") = "6"
    & skf21("6","2","2","4","7","7","7","1") = "6"
    & skf21("6","2","2","5","1","1","1","1") = "5"
    & skf21("6","2","2","5","1","1","2","1") = "5"
    & skf21("6","2","2","5","1","1","3","1") = "5"
    & skf21("6","2","2","5","1","1","4","1") = "5"
    & skf21("6","2","2","5","1","1","5","1") = "5"
    & skf21("6","2","2","5","1","1","6","1") = "5"
    & skf21("6","2","2","5","1","1","7","1") = "6"
    & skf21("6","2","2","5","1","2","1","1") = "5"
    & skf21("6","2","2","5","1","2","2","1") = "5"
    & skf21("6","2","2","5","1","2","3","1") = "5"
    & skf21("6","2","2","5","1","2","4","1") = "5"
    & skf21("6","2","2","5","1","2","5","1") = "5"
    & skf21("6","2","2","5","1","2","6","1") = "5"
    & skf21("6","2","2","5","1","2","7","1") = "6"
    & skf21("6","2","2","5","1","3","1","1") = "5"
    & skf21("6","2","2","5","1","3","2","1") = "5"
    & skf21("6","2","2","5","1","3","3","1") = "5"
    & skf21("6","2","2","5","1","3","4","1") = "5"
    & skf21("6","2","2","5","1","3","5","1") = "5"
    & skf21("6","2","2","5","1","3","6","1") = "5"
    & skf21("6","2","2","5","1","3","7","1") = "6"
    & skf21("6","2","2","5","1","4","1","1") = "5"
    & skf21("6","2","2","5","1","4","2","1") = "5"
    & skf21("6","2","2","5","1","4","3","1") = "5"
    & skf21("6","2","2","5","1","4","4","1") = "5"
    & skf21("6","2","2","5","1","4","5","1") = "5"
    & skf21("6","2","2","5","1","4","6","1") = "5"
    & skf21("6","2","2","5","1","4","7","1") = "6"
    & skf21("6","2","2","5","1","5","1","1") = "5"
    & skf21("6","2","2","5","1","5","2","1") = "5"
    & skf21("6","2","2","5","1","5","3","1") = "5"
    & skf21("6","2","2","5","1","5","4","1") = "5"
    & skf21("6","2","2","5","1","5","5","1") = "5"
    & skf21("6","2","2","5","1","5","6","1") = "5"
    & skf21("6","2","2","5","1","5","7","1") = "6"
    & skf21("6","2","2","5","1","6","1","1") = "5"
    & skf21("6","2","2","5","1","6","2","1") = "5"
    & skf21("6","2","2","5","1","6","3","1") = "5"
    & skf21("6","2","2","5","1","6","4","1") = "5"
    & skf21("6","2","2","5","1","6","5","1") = "5"
    & skf21("6","2","2","5","1","6","6","1") = "5"
    & skf21("6","2","2","5","1","6","7","1") = "6"
    & skf21("6","2","2","5","1","7","1","1") = "6"
    & skf21("6","2","2","5","1","7","2","1") = "6"
    & skf21("6","2","2","5","1","7","3","1") = "6"
    & skf21("6","2","2","5","1","7","4","1") = "6"
    & skf21("6","2","2","5","1","7","5","1") = "6"
    & skf21("6","2","2","5","1","7","6","1") = "6"
    & skf21("6","2","2","5","1","7","7","1") = "6"
    & skf21("6","2","2","5","2","1","1","1") = "5"
    & skf21("6","2","2","5","2","1","2","1") = "5"
    & skf21("6","2","2","5","2","1","3","1") = "5"
    & skf21("6","2","2","5","2","1","4","1") = "5"
    & skf21("6","2","2","5","2","1","5","1") = "5"
    & skf21("6","2","2","5","2","1","6","1") = "5"
    & skf21("6","2","2","5","2","1","7","1") = "6"
    & skf21("6","2","2","5","2","2","1","1") = "5"
    & skf21("6","2","2","5","2","2","2","1") = "5"
    & skf21("6","2","2","5","2","2","3","1") = "5"
    & skf21("6","2","2","5","2","2","4","1") = "5"
    & skf21("6","2","2","5","2","2","5","1") = "5"
    & skf21("6","2","2","5","2","2","6","1") = "5"
    & skf21("6","2","2","5","2","2","7","1") = "6"
    & skf21("6","2","2","5","2","3","1","1") = "5"
    & skf21("6","2","2","5","2","3","2","1") = "5"
    & skf21("6","2","2","5","2","3","3","1") = "5"
    & skf21("6","2","2","5","2","3","4","1") = "5"
    & skf21("6","2","2","5","2","3","5","1") = "5"
    & skf21("6","2","2","5","2","3","6","1") = "5"
    & skf21("6","2","2","5","2","3","7","1") = "6"
    & skf21("6","2","2","5","2","4","1","1") = "5"
    & skf21("6","2","2","5","2","4","2","1") = "5"
    & skf21("6","2","2","5","2","4","3","1") = "5"
    & skf21("6","2","2","5","2","4","4","1") = "5"
    & skf21("6","2","2","5","2","4","5","1") = "5"
    & skf21("6","2","2","5","2","4","6","1") = "5"
    & skf21("6","2","2","5","2","4","7","1") = "6"
    & skf21("6","2","2","5","2","5","1","1") = "5"
    & skf21("6","2","2","5","2","5","2","1") = "5"
    & skf21("6","2","2","5","2","5","3","1") = "5"
    & skf21("6","2","2","5","2","5","4","1") = "5"
    & skf21("6","2","2","5","2","5","5","1") = "5"
    & skf21("6","2","2","5","2","5","6","1") = "5"
    & skf21("6","2","2","5","2","5","7","1") = "6"
    & skf21("6","2","2","5","2","6","1","1") = "5"
    & skf21("6","2","2","5","2","6","2","1") = "5"
    & skf21("6","2","2","5","2","6","3","1") = "5"
    & skf21("6","2","2","5","2","6","4","1") = "5"
    & skf21("6","2","2","5","2","6","5","1") = "5"
    & skf21("6","2","2","5","2","6","6","1") = "5"
    & skf21("6","2","2","5","2","6","7","1") = "6"
    & skf21("6","2","2","5","2","7","1","1") = "6"
    & skf21("6","2","2","5","2","7","2","1") = "6"
    & skf21("6","2","2","5","2","7","3","1") = "6"
    & skf21("6","2","2","5","2","7","4","1") = "6"
    & skf21("6","2","2","5","2","7","5","1") = "6"
    & skf21("6","2","2","5","2","7","6","1") = "6"
    & skf21("6","2","2","5","2","7","7","1") = "6"
    & skf21("6","2","2","5","3","1","1","1") = "5"
    & skf21("6","2","2","5","3","1","2","1") = "5"
    & skf21("6","2","2","5","3","1","3","1") = "5"
    & skf21("6","2","2","5","3","1","4","1") = "5"
    & skf21("6","2","2","5","3","1","5","1") = "5"
    & skf21("6","2","2","5","3","1","6","1") = "5"
    & skf21("6","2","2","5","3","1","7","1") = "6"
    & skf21("6","2","2","5","3","2","1","1") = "5"
    & skf21("6","2","2","5","3","2","2","1") = "5"
    & skf21("6","2","2","5","3","2","3","1") = "5"
    & skf21("6","2","2","5","3","2","4","1") = "5"
    & skf21("6","2","2","5","3","2","5","1") = "5"
    & skf21("6","2","2","5","3","2","6","1") = "5"
    & skf21("6","2","2","5","3","2","7","1") = "6"
    & skf21("6","2","2","5","3","3","1","1") = "5"
    & skf21("6","2","2","5","3","3","2","1") = "5"
    & skf21("6","2","2","5","3","3","3","1") = "5"
    & skf21("6","2","2","5","3","3","4","1") = "5"
    & skf21("6","2","2","5","3","3","5","1") = "5"
    & skf21("6","2","2","5","3","3","6","1") = "5"
    & skf21("6","2","2","5","3","3","7","1") = "6"
    & skf21("6","2","2","5","3","4","1","1") = "5"
    & skf21("6","2","2","5","3","4","2","1") = "5"
    & skf21("6","2","2","5","3","4","3","1") = "5"
    & skf21("6","2","2","5","3","4","4","1") = "5"
    & skf21("6","2","2","5","3","4","5","1") = "5"
    & skf21("6","2","2","5","3","4","6","1") = "5"
    & skf21("6","2","2","5","3","4","7","1") = "6"
    & skf21("6","2","2","5","3","5","1","1") = "5"
    & skf21("6","2","2","5","3","5","2","1") = "5"
    & skf21("6","2","2","5","3","5","3","1") = "5"
    & skf21("6","2","2","5","3","5","4","1") = "5"
    & skf21("6","2","2","5","3","5","5","1") = "5"
    & skf21("6","2","2","5","3","5","6","1") = "5"
    & skf21("6","2","2","5","3","5","7","1") = "6"
    & skf21("6","2","2","5","3","6","1","1") = "5"
    & skf21("6","2","2","5","3","6","2","1") = "5"
    & skf21("6","2","2","5","3","6","3","1") = "5"
    & skf21("6","2","2","5","3","6","4","1") = "5"
    & skf21("6","2","2","5","3","6","5","1") = "5"
    & skf21("6","2","2","5","3","6","6","1") = "5"
    & skf21("6","2","2","5","3","6","7","1") = "6"
    & skf21("6","2","2","5","3","7","1","1") = "6"
    & skf21("6","2","2","5","3","7","2","1") = "6"
    & skf21("6","2","2","5","3","7","3","1") = "6"
    & skf21("6","2","2","5","3","7","4","1") = "6"
    & skf21("6","2","2","5","3","7","5","1") = "6"
    & skf21("6","2","2","5","3","7","6","1") = "6"
    & skf21("6","2","2","5","3","7","7","1") = "6"
    & skf21("6","2","2","5","4","1","1","1") = "5"
    & skf21("6","2","2","5","4","1","2","1") = "5"
    & skf21("6","2","2","5","4","1","3","1") = "5"
    & skf21("6","2","2","5","4","1","4","1") = "5"
    & skf21("6","2","2","5","4","1","5","1") = "5"
    & skf21("6","2","2","5","4","1","6","1") = "5"
    & skf21("6","2","2","5","4","1","7","1") = "6"
    & skf21("6","2","2","5","4","2","1","1") = "5"
    & skf21("6","2","2","5","4","2","2","1") = "5"
    & skf21("6","2","2","5","4","2","3","1") = "5"
    & skf21("6","2","2","5","4","2","4","1") = "5"
    & skf21("6","2","2","5","4","2","5","1") = "5"
    & skf21("6","2","2","5","4","2","6","1") = "5"
    & skf21("6","2","2","5","4","2","7","1") = "6"
    & skf21("6","2","2","5","4","3","1","1") = "5"
    & skf21("6","2","2","5","4","3","2","1") = "5"
    & skf21("6","2","2","5","4","3","3","1") = "5"
    & skf21("6","2","2","5","4","3","4","1") = "5"
    & skf21("6","2","2","5","4","3","5","1") = "5"
    & skf21("6","2","2","5","4","3","6","1") = "5"
    & skf21("6","2","2","5","4","3","7","1") = "6"
    & skf21("6","2","2","5","4","4","1","1") = "5"
    & skf21("6","2","2","5","4","4","2","1") = "5"
    & skf21("6","2","2","5","4","4","3","1") = "5"
    & skf21("6","2","2","5","4","4","4","1") = "5"
    & skf21("6","2","2","5","4","4","5","1") = "5"
    & skf21("6","2","2","5","4","4","6","1") = "5"
    & skf21("6","2","2","5","4","4","7","1") = "6"
    & skf21("6","2","2","5","4","5","1","1") = "5"
    & skf21("6","2","2","5","4","5","2","1") = "5"
    & skf21("6","2","2","5","4","5","3","1") = "5"
    & skf21("6","2","2","5","4","5","4","1") = "5"
    & skf21("6","2","2","5","4","5","5","1") = "5"
    & skf21("6","2","2","5","4","5","6","1") = "5"
    & skf21("6","2","2","5","4","5","7","1") = "6"
    & skf21("6","2","2","5","4","6","1","1") = "5"
    & skf21("6","2","2","5","4","6","2","1") = "5"
    & skf21("6","2","2","5","4","6","3","1") = "5"
    & skf21("6","2","2","5","4","6","4","1") = "5"
    & skf21("6","2","2","5","4","6","5","1") = "5"
    & skf21("6","2","2","5","4","6","6","1") = "5"
    & skf21("6","2","2","5","4","6","7","1") = "6"
    & skf21("6","2","2","5","4","7","1","1") = "6"
    & skf21("6","2","2","5","4","7","2","1") = "6"
    & skf21("6","2","2","5","4","7","3","1") = "6"
    & skf21("6","2","2","5","4","7","4","1") = "6"
    & skf21("6","2","2","5","4","7","5","1") = "6"
    & skf21("6","2","2","5","4","7","6","1") = "6"
    & skf21("6","2","2","5","4","7","7","1") = "6"
    & skf21("6","2","2","5","5","1","1","1") = "5"
    & skf21("6","2","2","5","5","1","2","1") = "5"
    & skf21("6","2","2","5","5","1","3","1") = "5"
    & skf21("6","2","2","5","5","1","4","1") = "5"
    & skf21("6","2","2","5","5","1","5","1") = "5"
    & skf21("6","2","2","5","5","1","6","1") = "5"
    & skf21("6","2","2","5","5","1","7","1") = "6"
    & skf21("6","2","2","5","5","2","1","1") = "5"
    & skf21("6","2","2","5","5","2","2","1") = "5"
    & skf21("6","2","2","5","5","2","3","1") = "5"
    & skf21("6","2","2","5","5","2","4","1") = "5"
    & skf21("6","2","2","5","5","2","5","1") = "5"
    & skf21("6","2","2","5","5","2","6","1") = "5"
    & skf21("6","2","2","5","5","2","7","1") = "6"
    & skf21("6","2","2","5","5","3","1","1") = "5"
    & skf21("6","2","2","5","5","3","2","1") = "5"
    & skf21("6","2","2","5","5","3","3","1") = "5"
    & skf21("6","2","2","5","5","3","4","1") = "5"
    & skf21("6","2","2","5","5","3","5","1") = "5"
    & skf21("6","2","2","5","5","3","6","1") = "5"
    & skf21("6","2","2","5","5","3","7","1") = "6"
    & skf21("6","2","2","5","5","4","1","1") = "5"
    & skf21("6","2","2","5","5","4","2","1") = "5"
    & skf21("6","2","2","5","5","4","3","1") = "5"
    & skf21("6","2","2","5","5","4","4","1") = "5"
    & skf21("6","2","2","5","5","4","5","1") = "5"
    & skf21("6","2","2","5","5","4","6","1") = "5"
    & skf21("6","2","2","5","5","4","7","1") = "6"
    & skf21("6","2","2","5","5","5","1","1") = "5"
    & skf21("6","2","2","5","5","5","2","1") = "5"
    & skf21("6","2","2","5","5","5","3","1") = "5"
    & skf21("6","2","2","5","5","5","4","1") = "5"
    & skf21("6","2","2","5","5","5","5","1") = "5"
    & skf21("6","2","2","5","5","5","6","1") = "5"
    & skf21("6","2","2","5","5","5","7","1") = "6"
    & skf21("6","2","2","5","5","6","1","1") = "5"
    & skf21("6","2","2","5","5","6","2","1") = "5"
    & skf21("6","2","2","5","5","6","3","1") = "5"
    & skf21("6","2","2","5","5","6","4","1") = "5"
    & skf21("6","2","2","5","5","6","5","1") = "5"
    & skf21("6","2","2","5","5","6","6","1") = "5"
    & skf21("6","2","2","5","5","6","7","1") = "6"
    & skf21("6","2","2","5","5","7","1","1") = "6"
    & skf21("6","2","2","5","5","7","2","1") = "6"
    & skf21("6","2","2","5","5","7","3","1") = "6"
    & skf21("6","2","2","5","5","7","4","1") = "6"
    & skf21("6","2","2","5","5","7","5","1") = "6"
    & skf21("6","2","2","5","5","7","6","1") = "6"
    & skf21("6","2","2","5","5","7","7","1") = "6"
    & skf21("6","2","2","5","6","1","1","1") = "5"
    & skf21("6","2","2","5","6","1","2","1") = "5"
    & skf21("6","2","2","5","6","1","3","1") = "5"
    & skf21("6","2","2","5","6","1","4","1") = "5"
    & skf21("6","2","2","5","6","1","5","1") = "5"
    & skf21("6","2","2","5","6","1","6","1") = "5"
    & skf21("6","2","2","5","6","1","7","1") = "6"
    & skf21("6","2","2","5","6","2","1","1") = "5"
    & skf21("6","2","2","5","6","2","2","1") = "5"
    & skf21("6","2","2","5","6","2","3","1") = "5"
    & skf21("6","2","2","5","6","2","4","1") = "5"
    & skf21("6","2","2","5","6","2","5","1") = "5"
    & skf21("6","2","2","5","6","2","6","1") = "5"
    & skf21("6","2","2","5","6","2","7","1") = "6"
    & skf21("6","2","2","5","6","3","1","1") = "5"
    & skf21("6","2","2","5","6","3","2","1") = "5"
    & skf21("6","2","2","5","6","3","3","1") = "5"
    & skf21("6","2","2","5","6","3","4","1") = "5"
    & skf21("6","2","2","5","6","3","5","1") = "5"
    & skf21("6","2","2","5","6","3","6","1") = "5"
    & skf21("6","2","2","5","6","3","7","1") = "6"
    & skf21("6","2","2","5","6","4","1","1") = "5"
    & skf21("6","2","2","5","6","4","2","1") = "5"
    & skf21("6","2","2","5","6","4","3","1") = "5"
    & skf21("6","2","2","5","6","4","4","1") = "5"
    & skf21("6","2","2","5","6","4","5","1") = "5"
    & skf21("6","2","2","5","6","4","6","1") = "5"
    & skf21("6","2","2","5","6","4","7","1") = "6"
    & skf21("6","2","2","5","6","5","1","1") = "5"
    & skf21("6","2","2","5","6","5","2","1") = "5"
    & skf21("6","2","2","5","6","5","3","1") = "5"
    & skf21("6","2","2","5","6","5","4","1") = "5"
    & skf21("6","2","2","5","6","5","5","1") = "5"
    & skf21("6","2","2","5","6","5","6","1") = "5"
    & skf21("6","2","2","5","6","5","7","1") = "6"
    & skf21("6","2","2","5","6","6","1","1") = "5"
    & skf21("6","2","2","5","6","6","2","1") = "5"
    & skf21("6","2","2","5","6","6","3","1") = "5"
    & skf21("6","2","2","5","6","6","4","1") = "5"
    & skf21("6","2","2","5","6","6","5","1") = "5"
    & skf21("6","2","2","5","6","6","6","1") = "5"
    & skf21("6","2","2","5","6","6","7","1") = "6"
    & skf21("6","2","2","5","6","7","1","1") = "6"
    & skf21("6","2","2","5","6","7","2","1") = "6"
    & skf21("6","2","2","5","6","7","3","1") = "6"
    & skf21("6","2","2","5","6","7","4","1") = "6"
    & skf21("6","2","2","5","6","7","5","1") = "6"
    & skf21("6","2","2","5","6","7","6","1") = "6"
    & skf21("6","2","2","5","6","7","7","1") = "6"
    & skf21("6","2","2","5","7","1","1","1") = "6"
    & skf21("6","2","2","5","7","1","2","1") = "6"
    & skf21("6","2","2","5","7","1","3","1") = "6"
    & skf21("6","2","2","5","7","1","4","1") = "6"
    & skf21("6","2","2","5","7","1","5","1") = "6"
    & skf21("6","2","2","5","7","1","6","1") = "6"
    & skf21("6","2","2","5","7","1","7","1") = "6"
    & skf21("6","2","2","5","7","2","1","1") = "6"
    & skf21("6","2","2","5","7","2","2","1") = "6"
    & skf21("6","2","2","5","7","2","3","1") = "6"
    & skf21("6","2","2","5","7","2","4","1") = "6"
    & skf21("6","2","2","5","7","2","5","1") = "6"
    & skf21("6","2","2","5","7","2","6","1") = "6"
    & skf21("6","2","2","5","7","2","7","1") = "6"
    & skf21("6","2","2","5","7","3","1","1") = "6"
    & skf21("6","2","2","5","7","3","2","1") = "6"
    & skf21("6","2","2","5","7","3","3","1") = "6"
    & skf21("6","2","2","5","7","3","4","1") = "6"
    & skf21("6","2","2","5","7","3","5","1") = "6"
    & skf21("6","2","2","5","7","3","6","1") = "6"
    & skf21("6","2","2","5","7","3","7","1") = "6"
    & skf21("6","2","2","5","7","4","1","1") = "6"
    & skf21("6","2","2","5","7","4","2","1") = "6"
    & skf21("6","2","2","5","7","4","3","1") = "6"
    & skf21("6","2","2","5","7","4","4","1") = "6"
    & skf21("6","2","2","5","7","4","5","1") = "6"
    & skf21("6","2","2","5","7","4","6","1") = "6"
    & skf21("6","2","2","5","7","4","7","1") = "6"
    & skf21("6","2","2","5","7","5","1","1") = "6"
    & skf21("6","2","2","5","7","5","2","1") = "6"
    & skf21("6","2","2","5","7","5","3","1") = "6"
    & skf21("6","2","2","5","7","5","4","1") = "6"
    & skf21("6","2","2","5","7","5","5","1") = "6"
    & skf21("6","2","2","5","7","5","6","1") = "6"
    & skf21("6","2","2","5","7","5","7","1") = "6"
    & skf21("6","2","2","5","7","6","1","1") = "6"
    & skf21("6","2","2","5","7","6","2","1") = "6"
    & skf21("6","2","2","5","7","6","3","1") = "6"
    & skf21("6","2","2","5","7","6","4","1") = "6"
    & skf21("6","2","2","5","7","6","5","1") = "6"
    & skf21("6","2","2","5","7","6","6","1") = "6"
    & skf21("6","2","2","5","7","6","7","1") = "6"
    & skf21("6","2","2","5","7","7","1","1") = "6"
    & skf21("6","2","2","5","7","7","2","1") = "6"
    & skf21("6","2","2","5","7","7","3","1") = "6"
    & skf21("6","2","2","5","7","7","4","1") = "6"
    & skf21("6","2","2","5","7","7","5","1") = "6"
    & skf21("6","2","2","5","7","7","6","1") = "6"
    & skf21("6","2","2","5","7","7","7","1") = "6"
    & skf21("6","2","2","6","1","1","1","1") = "5"
    & skf21("6","2","2","6","1","1","2","1") = "5"
    & skf21("6","2","2","6","1","1","3","1") = "5"
    & skf21("6","2","2","6","1","1","4","1") = "5"
    & skf21("6","2","2","6","1","1","5","1") = "5"
    & skf21("6","2","2","6","1","1","6","1") = "5"
    & skf21("6","2","2","6","1","1","7","1") = "6"
    & skf21("6","2","2","6","1","2","1","1") = "5"
    & skf21("6","2","2","6","1","2","2","1") = "5"
    & skf21("6","2","2","6","1","2","3","1") = "5"
    & skf21("6","2","2","6","1","2","4","1") = "5"
    & skf21("6","2","2","6","1","2","5","1") = "5"
    & skf21("6","2","2","6","1","2","6","1") = "5"
    & skf21("6","2","2","6","1","2","7","1") = "6"
    & skf21("6","2","2","6","1","3","1","1") = "5"
    & skf21("6","2","2","6","1","3","2","1") = "5"
    & skf21("6","2","2","6","1","3","3","1") = "5"
    & skf21("6","2","2","6","1","3","4","1") = "5"
    & skf21("6","2","2","6","1","3","5","1") = "5"
    & skf21("6","2","2","6","1","3","6","1") = "5"
    & skf21("6","2","2","6","1","3","7","1") = "6"
    & skf21("6","2","2","6","1","4","1","1") = "5"
    & skf21("6","2","2","6","1","4","2","1") = "5"
    & skf21("6","2","2","6","1","4","3","1") = "5"
    & skf21("6","2","2","6","1","4","4","1") = "5"
    & skf21("6","2","2","6","1","4","5","1") = "5"
    & skf21("6","2","2","6","1","4","6","1") = "5"
    & skf21("6","2","2","6","1","4","7","1") = "6"
    & skf21("6","2","2","6","1","5","1","1") = "5"
    & skf21("6","2","2","6","1","5","2","1") = "5"
    & skf21("6","2","2","6","1","5","3","1") = "5"
    & skf21("6","2","2","6","1","5","4","1") = "5"
    & skf21("6","2","2","6","1","5","5","1") = "5"
    & skf21("6","2","2","6","1","5","6","1") = "5"
    & skf21("6","2","2","6","1","5","7","1") = "6"
    & skf21("6","2","2","6","1","6","1","1") = "5"
    & skf21("6","2","2","6","1","6","2","1") = "5"
    & skf21("6","2","2","6","1","6","3","1") = "5"
    & skf21("6","2","2","6","1","6","4","1") = "5"
    & skf21("6","2","2","6","1","6","5","1") = "5"
    & skf21("6","2","2","6","1","6","6","1") = "5"
    & skf21("6","2","2","6","1","6","7","1") = "6"
    & skf21("6","2","2","6","1","7","1","1") = "6"
    & skf21("6","2","2","6","1","7","2","1") = "6"
    & skf21("6","2","2","6","1","7","3","1") = "6"
    & skf21("6","2","2","6","1","7","4","1") = "6"
    & skf21("6","2","2","6","1","7","5","1") = "6"
    & skf21("6","2","2","6","1","7","6","1") = "6"
    & skf21("6","2","2","6","1","7","7","1") = "6"
    & skf21("6","2","2","6","2","1","1","1") = "5"
    & skf21("6","2","2","6","2","1","2","1") = "5"
    & skf21("6","2","2","6","2","1","3","1") = "5"
    & skf21("6","2","2","6","2","1","4","1") = "5"
    & skf21("6","2","2","6","2","1","5","1") = "5"
    & skf21("6","2","2","6","2","1","6","1") = "5"
    & skf21("6","2","2","6","2","1","7","1") = "6"
    & skf21("6","2","2","6","2","2","1","1") = "5"
    & skf21("6","2","2","6","2","2","2","1") = "5"
    & skf21("6","2","2","6","2","2","3","1") = "5"
    & skf21("6","2","2","6","2","2","4","1") = "5"
    & skf21("6","2","2","6","2","2","5","1") = "5"
    & skf21("6","2","2","6","2","2","6","1") = "5"
    & skf21("6","2","2","6","2","2","7","1") = "6"
    & skf21("6","2","2","6","2","3","1","1") = "5"
    & skf21("6","2","2","6","2","3","2","1") = "5"
    & skf21("6","2","2","6","2","3","3","1") = "5"
    & skf21("6","2","2","6","2","3","4","1") = "5"
    & skf21("6","2","2","6","2","3","5","1") = "5"
    & skf21("6","2","2","6","2","3","6","1") = "5"
    & skf21("6","2","2","6","2","3","7","1") = "6"
    & skf21("6","2","2","6","2","4","1","1") = "5"
    & skf21("6","2","2","6","2","4","2","1") = "5"
    & skf21("6","2","2","6","2","4","3","1") = "5"
    & skf21("6","2","2","6","2","4","4","1") = "5"
    & skf21("6","2","2","6","2","4","5","1") = "5"
    & skf21("6","2","2","6","2","4","6","1") = "5"
    & skf21("6","2","2","6","2","4","7","1") = "6"
    & skf21("6","2","2","6","2","5","1","1") = "5"
    & skf21("6","2","2","6","2","5","2","1") = "5"
    & skf21("6","2","2","6","2","5","3","1") = "5"
    & skf21("6","2","2","6","2","5","4","1") = "5"
    & skf21("6","2","2","6","2","5","5","1") = "5"
    & skf21("6","2","2","6","2","5","6","1") = "5"
    & skf21("6","2","2","6","2","5","7","1") = "6"
    & skf21("6","2","2","6","2","6","1","1") = "5"
    & skf21("6","2","2","6","2","6","2","1") = "5"
    & skf21("6","2","2","6","2","6","3","1") = "5"
    & skf21("6","2","2","6","2","6","4","1") = "5"
    & skf21("6","2","2","6","2","6","5","1") = "5"
    & skf21("6","2","2","6","2","6","6","1") = "5"
    & skf21("6","2","2","6","2","6","7","1") = "6"
    & skf21("6","2","2","6","2","7","1","1") = "6"
    & skf21("6","2","2","6","2","7","2","1") = "6"
    & skf21("6","2","2","6","2","7","3","1") = "6"
    & skf21("6","2","2","6","2","7","4","1") = "6"
    & skf21("6","2","2","6","2","7","5","1") = "6"
    & skf21("6","2","2","6","2","7","6","1") = "6"
    & skf21("6","2","2","6","2","7","7","1") = "6"
    & skf21("6","2","2","6","3","1","1","1") = "5"
    & skf21("6","2","2","6","3","1","2","1") = "5"
    & skf21("6","2","2","6","3","1","3","1") = "5"
    & skf21("6","2","2","6","3","1","4","1") = "5"
    & skf21("6","2","2","6","3","1","5","1") = "5"
    & skf21("6","2","2","6","3","1","6","1") = "5"
    & skf21("6","2","2","6","3","1","7","1") = "6"
    & skf21("6","2","2","6","3","2","1","1") = "5"
    & skf21("6","2","2","6","3","2","2","1") = "5"
    & skf21("6","2","2","6","3","2","3","1") = "5"
    & skf21("6","2","2","6","3","2","4","1") = "5"
    & skf21("6","2","2","6","3","2","5","1") = "5"
    & skf21("6","2","2","6","3","2","6","1") = "5"
    & skf21("6","2","2","6","3","2","7","1") = "6"
    & skf21("6","2","2","6","3","3","1","1") = "5"
    & skf21("6","2","2","6","3","3","2","1") = "5"
    & skf21("6","2","2","6","3","3","3","1") = "5"
    & skf21("6","2","2","6","3","3","4","1") = "5"
    & skf21("6","2","2","6","3","3","5","1") = "5"
    & skf21("6","2","2","6","3","3","6","1") = "5"
    & skf21("6","2","2","6","3","3","7","1") = "6"
    & skf21("6","2","2","6","3","4","1","1") = "5"
    & skf21("6","2","2","6","3","4","2","1") = "5"
    & skf21("6","2","2","6","3","4","3","1") = "5"
    & skf21("6","2","2","6","3","4","4","1") = "5"
    & skf21("6","2","2","6","3","4","5","1") = "5"
    & skf21("6","2","2","6","3","4","6","1") = "5"
    & skf21("6","2","2","6","3","4","7","1") = "6"
    & skf21("6","2","2","6","3","5","1","1") = "5"
    & skf21("6","2","2","6","3","5","2","1") = "5"
    & skf21("6","2","2","6","3","5","3","1") = "5"
    & skf21("6","2","2","6","3","5","4","1") = "5"
    & skf21("6","2","2","6","3","5","5","1") = "5"
    & skf21("6","2","2","6","3","5","6","1") = "5"
    & skf21("6","2","2","6","3","5","7","1") = "6"
    & skf21("6","2","2","6","3","6","1","1") = "5"
    & skf21("6","2","2","6","3","6","2","1") = "5"
    & skf21("6","2","2","6","3","6","3","1") = "5"
    & skf21("6","2","2","6","3","6","4","1") = "5"
    & skf21("6","2","2","6","3","6","5","1") = "5"
    & skf21("6","2","2","6","3","6","6","1") = "5"
    & skf21("6","2","2","6","3","6","7","1") = "6"
    & skf21("6","2","2","6","3","7","1","1") = "6"
    & skf21("6","2","2","6","3","7","2","1") = "6"
    & skf21("6","2","2","6","3","7","3","1") = "6"
    & skf21("6","2","2","6","3","7","4","1") = "6"
    & skf21("6","2","2","6","3","7","5","1") = "6"
    & skf21("6","2","2","6","3","7","6","1") = "6"
    & skf21("6","2","2","6","3","7","7","1") = "6"
    & skf21("6","2","2","6","4","1","1","1") = "5"
    & skf21("6","2","2","6","4","1","2","1") = "5"
    & skf21("6","2","2","6","4","1","3","1") = "5"
    & skf21("6","2","2","6","4","1","4","1") = "5"
    & skf21("6","2","2","6","4","1","5","1") = "5"
    & skf21("6","2","2","6","4","1","6","1") = "5"
    & skf21("6","2","2","6","4","1","7","1") = "6"
    & skf21("6","2","2","6","4","2","1","1") = "5"
    & skf21("6","2","2","6","4","2","2","1") = "5"
    & skf21("6","2","2","6","4","2","3","1") = "5"
    & skf21("6","2","2","6","4","2","4","1") = "5"
    & skf21("6","2","2","6","4","2","5","1") = "5"
    & skf21("6","2","2","6","4","2","6","1") = "5"
    & skf21("6","2","2","6","4","2","7","1") = "6"
    & skf21("6","2","2","6","4","3","1","1") = "5"
    & skf21("6","2","2","6","4","3","2","1") = "5"
    & skf21("6","2","2","6","4","3","3","1") = "5"
    & skf21("6","2","2","6","4","3","4","1") = "5"
    & skf21("6","2","2","6","4","3","5","1") = "5"
    & skf21("6","2","2","6","4","3","6","1") = "5"
    & skf21("6","2","2","6","4","3","7","1") = "6"
    & skf21("6","2","2","6","4","4","1","1") = "5"
    & skf21("6","2","2","6","4","4","2","1") = "5"
    & skf21("6","2","2","6","4","4","3","1") = "5"
    & skf21("6","2","2","6","4","4","4","1") = "5"
    & skf21("6","2","2","6","4","4","5","1") = "5"
    & skf21("6","2","2","6","4","4","6","1") = "5"
    & skf21("6","2","2","6","4","4","7","1") = "6"
    & skf21("6","2","2","6","4","5","1","1") = "5"
    & skf21("6","2","2","6","4","5","2","1") = "5"
    & skf21("6","2","2","6","4","5","3","1") = "5"
    & skf21("6","2","2","6","4","5","4","1") = "5"
    & skf21("6","2","2","6","4","5","5","1") = "5"
    & skf21("6","2","2","6","4","5","6","1") = "5"
    & skf21("6","2","2","6","4","5","7","1") = "6"
    & skf21("6","2","2","6","4","6","1","1") = "5"
    & skf21("6","2","2","6","4","6","2","1") = "5"
    & skf21("6","2","2","6","4","6","3","1") = "5"
    & skf21("6","2","2","6","4","6","4","1") = "5"
    & skf21("6","2","2","6","4","6","5","1") = "5"
    & skf21("6","2","2","6","4","6","6","1") = "5"
    & skf21("6","2","2","6","4","6","7","1") = "6"
    & skf21("6","2","2","6","4","7","1","1") = "6"
    & skf21("6","2","2","6","4","7","2","1") = "6"
    & skf21("6","2","2","6","4","7","3","1") = "6"
    & skf21("6","2","2","6","4","7","4","1") = "6"
    & skf21("6","2","2","6","4","7","5","1") = "6"
    & skf21("6","2","2","6","4","7","6","1") = "6"
    & skf21("6","2","2","6","4","7","7","1") = "6"
    & skf21("6","2","2","6","5","1","1","1") = "5"
    & skf21("6","2","2","6","5","1","2","1") = "5"
    & skf21("6","2","2","6","5","1","3","1") = "5"
    & skf21("6","2","2","6","5","1","4","1") = "5"
    & skf21("6","2","2","6","5","1","5","1") = "5"
    & skf21("6","2","2","6","5","1","6","1") = "5"
    & skf21("6","2","2","6","5","1","7","1") = "6"
    & skf21("6","2","2","6","5","2","1","1") = "5"
    & skf21("6","2","2","6","5","2","2","1") = "5"
    & skf21("6","2","2","6","5","2","3","1") = "5"
    & skf21("6","2","2","6","5","2","4","1") = "5"
    & skf21("6","2","2","6","5","2","5","1") = "5"
    & skf21("6","2","2","6","5","2","6","1") = "5"
    & skf21("6","2","2","6","5","2","7","1") = "6"
    & skf21("6","2","2","6","5","3","1","1") = "5"
    & skf21("6","2","2","6","5","3","2","1") = "5"
    & skf21("6","2","2","6","5","3","3","1") = "5"
    & skf21("6","2","2","6","5","3","4","1") = "5"
    & skf21("6","2","2","6","5","3","5","1") = "5"
    & skf21("6","2","2","6","5","3","6","1") = "5"
    & skf21("6","2","2","6","5","3","7","1") = "6"
    & skf21("6","2","2","6","5","4","1","1") = "5"
    & skf21("6","2","2","6","5","4","2","1") = "5"
    & skf21("6","2","2","6","5","4","3","1") = "5"
    & skf21("6","2","2","6","5","4","4","1") = "5"
    & skf21("6","2","2","6","5","4","5","1") = "5"
    & skf21("6","2","2","6","5","4","6","1") = "5"
    & skf21("6","2","2","6","5","4","7","1") = "6"
    & skf21("6","2","2","6","5","5","1","1") = "5"
    & skf21("6","2","2","6","5","5","2","1") = "5"
    & skf21("6","2","2","6","5","5","3","1") = "5"
    & skf21("6","2","2","6","5","5","4","1") = "5"
    & skf21("6","2","2","6","5","5","5","1") = "5"
    & skf21("6","2","2","6","5","5","6","1") = "5"
    & skf21("6","2","2","6","5","5","7","1") = "6"
    & skf21("6","2","2","6","5","6","1","1") = "5"
    & skf21("6","2","2","6","5","6","2","1") = "5"
    & skf21("6","2","2","6","5","6","3","1") = "5"
    & skf21("6","2","2","6","5","6","4","1") = "5"
    & skf21("6","2","2","6","5","6","5","1") = "5"
    & skf21("6","2","2","6","5","6","6","1") = "5"
    & skf21("6","2","2","6","5","6","7","1") = "6"
    & skf21("6","2","2","6","5","7","1","1") = "6"
    & skf21("6","2","2","6","5","7","2","1") = "6"
    & skf21("6","2","2","6","5","7","3","1") = "6"
    & skf21("6","2","2","6","5","7","4","1") = "6"
    & skf21("6","2","2","6","5","7","5","1") = "6"
    & skf21("6","2","2","6","5","7","6","1") = "6"
    & skf21("6","2","2","6","5","7","7","1") = "6"
    & skf21("6","2","2","6","6","1","1","1") = "5"
    & skf21("6","2","2","6","6","1","2","1") = "5"
    & skf21("6","2","2","6","6","1","3","1") = "5"
    & skf21("6","2","2","6","6","1","4","1") = "5"
    & skf21("6","2","2","6","6","1","5","1") = "5"
    & skf21("6","2","2","6","6","1","6","1") = "5"
    & skf21("6","2","2","6","6","1","7","1") = "6"
    & skf21("6","2","2","6","6","2","1","1") = "5"
    & skf21("6","2","2","6","6","2","2","1") = "5"
    & skf21("6","2","2","6","6","2","3","1") = "5"
    & skf21("6","2","2","6","6","2","4","1") = "5"
    & skf21("6","2","2","6","6","2","5","1") = "5"
    & skf21("6","2","2","6","6","2","6","1") = "5"
    & skf21("6","2","2","6","6","2","7","1") = "6"
    & skf21("6","2","2","6","6","3","1","1") = "5"
    & skf21("6","2","2","6","6","3","2","1") = "5"
    & skf21("6","2","2","6","6","3","3","1") = "5"
    & skf21("6","2","2","6","6","3","4","1") = "5"
    & skf21("6","2","2","6","6","3","5","1") = "5"
    & skf21("6","2","2","6","6","3","6","1") = "5"
    & skf21("6","2","2","6","6","3","7","1") = "6"
    & skf21("6","2","2","6","6","4","1","1") = "5"
    & skf21("6","2","2","6","6","4","2","1") = "5"
    & skf21("6","2","2","6","6","4","3","1") = "5"
    & skf21("6","2","2","6","6","4","4","1") = "5"
    & skf21("6","2","2","6","6","4","5","1") = "5"
    & skf21("6","2","2","6","6","4","6","1") = "5"
    & skf21("6","2","2","6","6","4","7","1") = "6"
    & skf21("6","2","2","6","6","5","1","1") = "5"
    & skf21("6","2","2","6","6","5","2","1") = "5"
    & skf21("6","2","2","6","6","5","3","1") = "5"
    & skf21("6","2","2","6","6","5","4","1") = "5"
    & skf21("6","2","2","6","6","5","5","1") = "5"
    & skf21("6","2","2","6","6","5","6","1") = "5"
    & skf21("6","2","2","6","6","5","7","1") = "6"
    & skf21("6","2","2","6","6","6","1","1") = "5"
    & skf21("6","2","2","6","6","6","2","1") = "5"
    & skf21("6","2","2","6","6","6","3","1") = "5"
    & skf21("6","2","2","6","6","6","4","1") = "5"
    & skf21("6","2","2","6","6","6","5","1") = "5"
    & skf21("6","2","2","6","6","6","6","1") = "5"
    & skf21("6","2","2","6","6","6","7","1") = "6"
    & skf21("6","2","2","6","6","7","1","1") = "6"
    & skf21("6","2","2","6","6","7","2","1") = "6"
    & skf21("6","2","2","6","6","7","3","1") = "6"
    & skf21("6","2","2","6","6","7","4","1") = "6"
    & skf21("6","2","2","6","6","7","5","1") = "6"
    & skf21("6","2","2","6","6","7","6","1") = "6"
    & skf21("6","2","2","6","6","7","7","1") = "6"
    & skf21("6","2","2","6","7","1","1","1") = "6"
    & skf21("6","2","2","6","7","1","2","1") = "6"
    & skf21("6","2","2","6","7","1","3","1") = "6"
    & skf21("6","2","2","6","7","1","4","1") = "6"
    & skf21("6","2","2","6","7","1","5","1") = "6"
    & skf21("6","2","2","6","7","1","6","1") = "6"
    & skf21("6","2","2","6","7","1","7","1") = "6"
    & skf21("6","2","2","6","7","2","1","1") = "6"
    & skf21("6","2","2","6","7","2","2","1") = "6"
    & skf21("6","2","2","6","7","2","3","1") = "6"
    & skf21("6","2","2","6","7","2","4","1") = "6"
    & skf21("6","2","2","6","7","2","5","1") = "6"
    & skf21("6","2","2","6","7","2","6","1") = "6"
    & skf21("6","2","2","6","7","2","7","1") = "6"
    & skf21("6","2","2","6","7","3","1","1") = "6"
    & skf21("6","2","2","6","7","3","2","1") = "6"
    & skf21("6","2","2","6","7","3","3","1") = "6"
    & skf21("6","2","2","6","7","3","4","1") = "6"
    & skf21("6","2","2","6","7","3","5","1") = "6"
    & skf21("6","2","2","6","7","3","6","1") = "6"
    & skf21("6","2","2","6","7","3","7","1") = "6"
    & skf21("6","2","2","6","7","4","1","1") = "6"
    & skf21("6","2","2","6","7","4","2","1") = "6"
    & skf21("6","2","2","6","7","4","3","1") = "6"
    & skf21("6","2","2","6","7","4","4","1") = "6"
    & skf21("6","2","2","6","7","4","5","1") = "6"
    & skf21("6","2","2","6","7","4","6","1") = "6"
    & skf21("6","2","2","6","7","4","7","1") = "6"
    & skf21("6","2","2","6","7","5","1","1") = "6"
    & skf21("6","2","2","6","7","5","2","1") = "6"
    & skf21("6","2","2","6","7","5","3","1") = "6"
    & skf21("6","2","2","6","7","5","4","1") = "6"
    & skf21("6","2","2","6","7","5","5","1") = "6"
    & skf21("6","2","2","6","7","5","6","1") = "6"
    & skf21("6","2","2","6","7","5","7","1") = "6"
    & skf21("6","2","2","6","7","6","1","1") = "6"
    & skf21("6","2","2","6","7","6","2","1") = "6"
    & skf21("6","2","2","6","7","6","3","1") = "6"
    & skf21("6","2","2","6","7","6","4","1") = "6"
    & skf21("6","2","2","6","7","6","5","1") = "6"
    & skf21("6","2","2","6","7","6","6","1") = "6"
    & skf21("6","2","2","6","7","6","7","1") = "6"
    & skf21("6","2","2","6","7","7","1","1") = "6"
    & skf21("6","2","2","6","7","7","2","1") = "6"
    & skf21("6","2","2","6","7","7","3","1") = "6"
    & skf21("6","2","2","6","7","7","4","1") = "6"
    & skf21("6","2","2","6","7","7","5","1") = "6"
    & skf21("6","2","2","6","7","7","6","1") = "6"
    & skf21("6","2","2","6","7","7","7","1") = "6"
    & skf21("6","2","2","7","1","1","1","1") = "6"
    & skf21("6","2","2","7","1","1","2","1") = "6"
    & skf21("6","2","2","7","1","1","3","1") = "6"
    & skf21("6","2","2","7","1","1","4","1") = "6"
    & skf21("6","2","2","7","1","1","5","1") = "6"
    & skf21("6","2","2","7","1","1","6","1") = "6"
    & skf21("6","2","2","7","1","1","7","1") = "6"
    & skf21("6","2","2","7","1","2","1","1") = "6"
    & skf21("6","2","2","7","1","2","2","1") = "6"
    & skf21("6","2","2","7","1","2","3","1") = "6"
    & skf21("6","2","2","7","1","2","4","1") = "6"
    & skf21("6","2","2","7","1","2","5","1") = "6"
    & skf21("6","2","2","7","1","2","6","1") = "6"
    & skf21("6","2","2","7","1","2","7","1") = "6"
    & skf21("6","2","2","7","1","3","1","1") = "6"
    & skf21("6","2","2","7","1","3","2","1") = "6"
    & skf21("6","2","2","7","1","3","3","1") = "6"
    & skf21("6","2","2","7","1","3","4","1") = "6"
    & skf21("6","2","2","7","1","3","5","1") = "6"
    & skf21("6","2","2","7","1","3","6","1") = "6"
    & skf21("6","2","2","7","1","3","7","1") = "6"
    & skf21("6","2","2","7","1","4","1","1") = "6"
    & skf21("6","2","2","7","1","4","2","1") = "6"
    & skf21("6","2","2","7","1","4","3","1") = "6"
    & skf21("6","2","2","7","1","4","4","1") = "6"
    & skf21("6","2","2","7","1","4","5","1") = "6"
    & skf21("6","2","2","7","1","4","6","1") = "6"
    & skf21("6","2","2","7","1","4","7","1") = "6"
    & skf21("6","2","2","7","1","5","1","1") = "6"
    & skf21("6","2","2","7","1","5","2","1") = "6"
    & skf21("6","2","2","7","1","5","3","1") = "6"
    & skf21("6","2","2","7","1","5","4","1") = "6"
    & skf21("6","2","2","7","1","5","5","1") = "6"
    & skf21("6","2","2","7","1","5","6","1") = "6"
    & skf21("6","2","2","7","1","5","7","1") = "6"
    & skf21("6","2","2","7","1","6","1","1") = "6"
    & skf21("6","2","2","7","1","6","2","1") = "6"
    & skf21("6","2","2","7","1","6","3","1") = "6"
    & skf21("6","2","2","7","1","6","4","1") = "6"
    & skf21("6","2","2","7","1","6","5","1") = "6"
    & skf21("6","2","2","7","1","6","6","1") = "6"
    & skf21("6","2","2","7","1","6","7","1") = "6"
    & skf21("6","2","2","7","1","7","1","1") = "6"
    & skf21("6","2","2","7","1","7","2","1") = "6"
    & skf21("6","2","2","7","1","7","3","1") = "6"
    & skf21("6","2","2","7","1","7","4","1") = "6"
    & skf21("6","2","2","7","1","7","5","1") = "6"
    & skf21("6","2","2","7","1","7","6","1") = "6"
    & skf21("6","2","2","7","1","7","7","1") = "6"
    & skf21("6","2","2","7","2","1","1","1") = "6"
    & skf21("6","2","2","7","2","1","2","1") = "6"
    & skf21("6","2","2","7","2","1","3","1") = "6"
    & skf21("6","2","2","7","2","1","4","1") = "6"
    & skf21("6","2","2","7","2","1","5","1") = "6"
    & skf21("6","2","2","7","2","1","6","1") = "6"
    & skf21("6","2","2","7","2","1","7","1") = "6"
    & skf21("6","2","2","7","2","2","1","1") = "6"
    & skf21("6","2","2","7","2","2","2","1") = "6"
    & skf21("6","2","2","7","2","2","3","1") = "6"
    & skf21("6","2","2","7","2","2","4","1") = "6"
    & skf21("6","2","2","7","2","2","5","1") = "6"
    & skf21("6","2","2","7","2","2","6","1") = "6"
    & skf21("6","2","2","7","2","2","7","1") = "6"
    & skf21("6","2","2","7","2","3","1","1") = "6"
    & skf21("6","2","2","7","2","3","2","1") = "6"
    & skf21("6","2","2","7","2","3","3","1") = "6"
    & skf21("6","2","2","7","2","3","4","1") = "6"
    & skf21("6","2","2","7","2","3","5","1") = "6"
    & skf21("6","2","2","7","2","3","6","1") = "6"
    & skf21("6","2","2","7","2","3","7","1") = "6"
    & skf21("6","2","2","7","2","4","1","1") = "6"
    & skf21("6","2","2","7","2","4","2","1") = "6"
    & skf21("6","2","2","7","2","4","3","1") = "6"
    & skf21("6","2","2","7","2","4","4","1") = "6"
    & skf21("6","2","2","7","2","4","5","1") = "6"
    & skf21("6","2","2","7","2","4","6","1") = "6"
    & skf21("6","2","2","7","2","4","7","1") = "6"
    & skf21("6","2","2","7","2","5","1","1") = "6"
    & skf21("6","2","2","7","2","5","2","1") = "6"
    & skf21("6","2","2","7","2","5","3","1") = "6"
    & skf21("6","2","2","7","2","5","4","1") = "6"
    & skf21("6","2","2","7","2","5","5","1") = "6"
    & skf21("6","2","2","7","2","5","6","1") = "6"
    & skf21("6","2","2","7","2","5","7","1") = "6"
    & skf21("6","2","2","7","2","6","1","1") = "6"
    & skf21("6","2","2","7","2","6","2","1") = "6"
    & skf21("6","2","2","7","2","6","3","1") = "6"
    & skf21("6","2","2","7","2","6","4","1") = "6"
    & skf21("6","2","2","7","2","6","5","1") = "6"
    & skf21("6","2","2","7","2","6","6","1") = "6"
    & skf21("6","2","2","7","2","6","7","1") = "6"
    & skf21("6","2","2","7","2","7","1","1") = "6"
    & skf21("6","2","2","7","2","7","2","1") = "6"
    & skf21("6","2","2","7","2","7","3","1") = "6"
    & skf21("6","2","2","7","2","7","4","1") = "6"
    & skf21("6","2","2","7","2","7","5","1") = "6"
    & skf21("6","2","2","7","2","7","6","1") = "6"
    & skf21("6","2","2","7","2","7","7","1") = "6"
    & skf21("6","2","2","7","3","1","1","1") = "6"
    & skf21("6","2","2","7","3","1","2","1") = "6"
    & skf21("6","2","2","7","3","1","3","1") = "6"
    & skf21("6","2","2","7","3","1","4","1") = "6"
    & skf21("6","2","2","7","3","1","5","1") = "6"
    & skf21("6","2","2","7","3","1","6","1") = "6"
    & skf21("6","2","2","7","3","1","7","1") = "6"
    & skf21("6","2","2","7","3","2","1","1") = "6"
    & skf21("6","2","2","7","3","2","2","1") = "6"
    & skf21("6","2","2","7","3","2","3","1") = "6"
    & skf21("6","2","2","7","3","2","4","1") = "6"
    & skf21("6","2","2","7","3","2","5","1") = "6"
    & skf21("6","2","2","7","3","2","6","1") = "6"
    & skf21("6","2","2","7","3","2","7","1") = "6"
    & skf21("6","2","2","7","3","3","1","1") = "6"
    & skf21("6","2","2","7","3","3","2","1") = "6"
    & skf21("6","2","2","7","3","3","3","1") = "6"
    & skf21("6","2","2","7","3","3","4","1") = "6"
    & skf21("6","2","2","7","3","3","5","1") = "6"
    & skf21("6","2","2","7","3","3","6","1") = "6"
    & skf21("6","2","2","7","3","3","7","1") = "6"
    & skf21("6","2","2","7","3","4","1","1") = "6"
    & skf21("6","2","2","7","3","4","2","1") = "6"
    & skf21("6","2","2","7","3","4","3","1") = "6"
    & skf21("6","2","2","7","3","4","4","1") = "6"
    & skf21("6","2","2","7","3","4","5","1") = "6"
    & skf21("6","2","2","7","3","4","6","1") = "6"
    & skf21("6","2","2","7","3","4","7","1") = "6"
    & skf21("6","2","2","7","3","5","1","1") = "6"
    & skf21("6","2","2","7","3","5","2","1") = "6"
    & skf21("6","2","2","7","3","5","3","1") = "6"
    & skf21("6","2","2","7","3","5","4","1") = "6"
    & skf21("6","2","2","7","3","5","5","1") = "6"
    & skf21("6","2","2","7","3","5","6","1") = "6"
    & skf21("6","2","2","7","3","5","7","1") = "6"
    & skf21("6","2","2","7","3","6","1","1") = "6"
    & skf21("6","2","2","7","3","6","2","1") = "6"
    & skf21("6","2","2","7","3","6","3","1") = "6"
    & skf21("6","2","2","7","3","6","4","1") = "6"
    & skf21("6","2","2","7","3","6","5","1") = "6"
    & skf21("6","2","2","7","3","6","6","1") = "6"
    & skf21("6","2","2","7","3","6","7","1") = "6"
    & skf21("6","2","2","7","3","7","1","1") = "6"
    & skf21("6","2","2","7","3","7","2","1") = "6"
    & skf21("6","2","2","7","3","7","3","1") = "6"
    & skf21("6","2","2","7","3","7","4","1") = "6"
    & skf21("6","2","2","7","3","7","5","1") = "6"
    & skf21("6","2","2","7","3","7","6","1") = "6"
    & skf21("6","2","2","7","3","7","7","1") = "6"
    & skf21("6","2","2","7","4","1","1","1") = "6"
    & skf21("6","2","2","7","4","1","2","1") = "6"
    & skf21("6","2","2","7","4","1","3","1") = "6"
    & skf21("6","2","2","7","4","1","4","1") = "6"
    & skf21("6","2","2","7","4","1","5","1") = "6"
    & skf21("6","2","2","7","4","1","6","1") = "6"
    & skf21("6","2","2","7","4","1","7","1") = "6"
    & skf21("6","2","2","7","4","2","1","1") = "6"
    & skf21("6","2","2","7","4","2","2","1") = "6"
    & skf21("6","2","2","7","4","2","3","1") = "6"
    & skf21("6","2","2","7","4","2","4","1") = "6"
    & skf21("6","2","2","7","4","2","5","1") = "6"
    & skf21("6","2","2","7","4","2","6","1") = "6"
    & skf21("6","2","2","7","4","2","7","1") = "6"
    & skf21("6","2","2","7","4","3","1","1") = "6"
    & skf21("6","2","2","7","4","3","2","1") = "6"
    & skf21("6","2","2","7","4","3","3","1") = "6"
    & skf21("6","2","2","7","4","3","4","1") = "6"
    & skf21("6","2","2","7","4","3","5","1") = "6"
    & skf21("6","2","2","7","4","3","6","1") = "6"
    & skf21("6","2","2","7","4","3","7","1") = "6"
    & skf21("6","2","2","7","4","4","1","1") = "6"
    & skf21("6","2","2","7","4","4","2","1") = "6"
    & skf21("6","2","2","7","4","4","3","1") = "6"
    & skf21("6","2","2","7","4","4","4","1") = "6"
    & skf21("6","2","2","7","4","4","5","1") = "6"
    & skf21("6","2","2","7","4","4","6","1") = "6"
    & skf21("6","2","2","7","4","4","7","1") = "6"
    & skf21("6","2","2","7","4","5","1","1") = "6"
    & skf21("6","2","2","7","4","5","2","1") = "6"
    & skf21("6","2","2","7","4","5","3","1") = "6"
    & skf21("6","2","2","7","4","5","4","1") = "6"
    & skf21("6","2","2","7","4","5","5","1") = "6"
    & skf21("6","2","2","7","4","5","6","1") = "6"
    & skf21("6","2","2","7","4","5","7","1") = "6"
    & skf21("6","2","2","7","4","6","1","1") = "6"
    & skf21("6","2","2","7","4","6","2","1") = "6"
    & skf21("6","2","2","7","4","6","3","1") = "6"
    & skf21("6","2","2","7","4","6","4","1") = "6"
    & skf21("6","2","2","7","4","6","5","1") = "6"
    & skf21("6","2","2","7","4","6","6","1") = "6"
    & skf21("6","2","2","7","4","6","7","1") = "6"
    & skf21("6","2","2","7","4","7","1","1") = "6"
    & skf21("6","2","2","7","4","7","2","1") = "6"
    & skf21("6","2","2","7","4","7","3","1") = "6"
    & skf21("6","2","2","7","4","7","4","1") = "6"
    & skf21("6","2","2","7","4","7","5","1") = "6"
    & skf21("6","2","2","7","4","7","6","1") = "6"
    & skf21("6","2","2","7","4","7","7","1") = "6"
    & skf21("6","2","2","7","5","1","1","1") = "6"
    & skf21("6","2","2","7","5","1","2","1") = "6"
    & skf21("6","2","2","7","5","1","3","1") = "6"
    & skf21("6","2","2","7","5","1","4","1") = "6"
    & skf21("6","2","2","7","5","1","5","1") = "6"
    & skf21("6","2","2","7","5","1","6","1") = "6"
    & skf21("6","2","2","7","5","1","7","1") = "6"
    & skf21("6","2","2","7","5","2","1","1") = "6"
    & skf21("6","2","2","7","5","2","2","1") = "6"
    & skf21("6","2","2","7","5","2","3","1") = "6"
    & skf21("6","2","2","7","5","2","4","1") = "6"
    & skf21("6","2","2","7","5","2","5","1") = "6"
    & skf21("6","2","2","7","5","2","6","1") = "6"
    & skf21("6","2","2","7","5","2","7","1") = "6"
    & skf21("6","2","2","7","5","3","1","1") = "6"
    & skf21("6","2","2","7","5","3","2","1") = "6"
    & skf21("6","2","2","7","5","3","3","1") = "6"
    & skf21("6","2","2","7","5","3","4","1") = "6"
    & skf21("6","2","2","7","5","3","5","1") = "6"
    & skf21("6","2","2","7","5","3","6","1") = "6"
    & skf21("6","2","2","7","5","3","7","1") = "6"
    & skf21("6","2","2","7","5","4","1","1") = "6"
    & skf21("6","2","2","7","5","4","2","1") = "6"
    & skf21("6","2","2","7","5","4","3","1") = "6"
    & skf21("6","2","2","7","5","4","4","1") = "6"
    & skf21("6","2","2","7","5","4","5","1") = "6"
    & skf21("6","2","2","7","5","4","6","1") = "6"
    & skf21("6","2","2","7","5","4","7","1") = "6"
    & skf21("6","2","2","7","5","5","1","1") = "6"
    & skf21("6","2","2","7","5","5","2","1") = "6"
    & skf21("6","2","2","7","5","5","3","1") = "6"
    & skf21("6","2","2","7","5","5","4","1") = "6"
    & skf21("6","2","2","7","5","5","5","1") = "6"
    & skf21("6","2","2","7","5","5","6","1") = "6"
    & skf21("6","2","2","7","5","5","7","1") = "6"
    & skf21("6","2","2","7","5","6","1","1") = "6"
    & skf21("6","2","2","7","5","6","2","1") = "6"
    & skf21("6","2","2","7","5","6","3","1") = "6"
    & skf21("6","2","2","7","5","6","4","1") = "6"
    & skf21("6","2","2","7","5","6","5","1") = "6"
    & skf21("6","2","2","7","5","6","6","1") = "6"
    & skf21("6","2","2","7","5","6","7","1") = "6"
    & skf21("6","2","2","7","5","7","1","1") = "6"
    & skf21("6","2","2","7","5","7","2","1") = "6"
    & skf21("6","2","2","7","5","7","3","1") = "6"
    & skf21("6","2","2","7","5","7","4","1") = "6"
    & skf21("6","2","2","7","5","7","5","1") = "6"
    & skf21("6","2","2","7","5","7","6","1") = "6"
    & skf21("6","2","2","7","5","7","7","1") = "6"
    & skf21("6","2","2","7","6","1","1","1") = "6"
    & skf21("6","2","2","7","6","1","2","1") = "6"
    & skf21("6","2","2","7","6","1","3","1") = "6"
    & skf21("6","2","2","7","6","1","4","1") = "6"
    & skf21("6","2","2","7","6","1","5","1") = "6"
    & skf21("6","2","2","7","6","1","6","1") = "6"
    & skf21("6","2","2","7","6","1","7","1") = "6"
    & skf21("6","2","2","7","6","2","1","1") = "6"
    & skf21("6","2","2","7","6","2","2","1") = "6"
    & skf21("6","2","2","7","6","2","3","1") = "6"
    & skf21("6","2","2","7","6","2","4","1") = "6"
    & skf21("6","2","2","7","6","2","5","1") = "6"
    & skf21("6","2","2","7","6","2","6","1") = "6"
    & skf21("6","2","2","7","6","2","7","1") = "6"
    & skf21("6","2","2","7","6","3","1","1") = "6"
    & skf21("6","2","2","7","6","3","2","1") = "6"
    & skf21("6","2","2","7","6","3","3","1") = "6"
    & skf21("6","2","2","7","6","3","4","1") = "6"
    & skf21("6","2","2","7","6","3","5","1") = "6"
    & skf21("6","2","2","7","6","3","6","1") = "6"
    & skf21("6","2","2","7","6","3","7","1") = "6"
    & skf21("6","2","2","7","6","4","1","1") = "6"
    & skf21("6","2","2","7","6","4","2","1") = "6"
    & skf21("6","2","2","7","6","4","3","1") = "6"
    & skf21("6","2","2","7","6","4","4","1") = "6"
    & skf21("6","2","2","7","6","4","5","1") = "6"
    & skf21("6","2","2","7","6","4","6","1") = "6"
    & skf21("6","2","2","7","6","4","7","1") = "6"
    & skf21("6","2","2","7","6","5","1","1") = "6"
    & skf21("6","2","2","7","6","5","2","1") = "6"
    & skf21("6","2","2","7","6","5","3","1") = "6"
    & skf21("6","2","2","7","6","5","4","1") = "6"
    & skf21("6","2","2","7","6","5","5","1") = "6"
    & skf21("6","2","2","7","6","5","6","1") = "6"
    & skf21("6","2","2","7","6","5","7","1") = "6"
    & skf21("6","2","2","7","6","6","1","1") = "6"
    & skf21("6","2","2","7","6","6","2","1") = "6"
    & skf21("6","2","2","7","6","6","3","1") = "6"
    & skf21("6","2","2","7","6","6","4","1") = "6"
    & skf21("6","2","2","7","6","6","5","1") = "6"
    & skf21("6","2","2","7","6","6","6","1") = "6"
    & skf21("6","2","2","7","6","6","7","1") = "6"
    & skf21("6","2","2","7","6","7","1","1") = "6"
    & skf21("6","2","2","7","6","7","2","1") = "6"
    & skf21("6","2","2","7","6","7","3","1") = "6"
    & skf21("6","2","2","7","6","7","4","1") = "6"
    & skf21("6","2","2","7","6","7","5","1") = "6"
    & skf21("6","2","2","7","6","7","6","1") = "6"
    & skf21("6","2","2","7","6","7","7","1") = "6"
    & skf21("6","2","2","7","7","1","1","1") = "6"
    & skf21("6","2","2","7","7","1","2","1") = "6"
    & skf21("6","2","2","7","7","1","3","1") = "6"
    & skf21("6","2","2","7","7","1","4","1") = "6"
    & skf21("6","2","2","7","7","1","5","1") = "6"
    & skf21("6","2","2","7","7","1","6","1") = "6"
    & skf21("6","2","2","7","7","1","7","1") = "6"
    & skf21("6","2","2","7","7","2","1","1") = "6"
    & skf21("6","2","2","7","7","2","2","1") = "6"
    & skf21("6","2","2","7","7","2","3","1") = "6"
    & skf21("6","2","2","7","7","2","4","1") = "6"
    & skf21("6","2","2","7","7","2","5","1") = "6"
    & skf21("6","2","2","7","7","2","6","1") = "6"
    & skf21("6","2","2","7","7","2","7","1") = "6"
    & skf21("6","2","2","7","7","3","1","1") = "6"
    & skf21("6","2","2","7","7","3","2","1") = "6"
    & skf21("6","2","2","7","7","3","3","1") = "6"
    & skf21("6","2","2","7","7","3","4","1") = "6"
    & skf21("6","2","2","7","7","3","5","1") = "6"
    & skf21("6","2","2","7","7","3","6","1") = "6"
    & skf21("6","2","2","7","7","3","7","1") = "6"
    & skf21("6","2","2","7","7","4","1","1") = "6"
    & skf21("6","2","2","7","7","4","2","1") = "6"
    & skf21("6","2","2","7","7","4","3","1") = "6"
    & skf21("6","2","2","7","7","4","4","1") = "6"
    & skf21("6","2","2","7","7","4","5","1") = "6"
    & skf21("6","2","2","7","7","4","6","1") = "6"
    & skf21("6","2","2","7","7","4","7","1") = "6"
    & skf21("6","2","2","7","7","5","1","1") = "6"
    & skf21("6","2","2","7","7","5","2","1") = "6"
    & skf21("6","2","2","7","7","5","3","1") = "6"
    & skf21("6","2","2","7","7","5","4","1") = "6"
    & skf21("6","2","2","7","7","5","5","1") = "6"
    & skf21("6","2","2","7","7","5","6","1") = "6"
    & skf21("6","2","2","7","7","5","7","1") = "6"
    & skf21("6","2","2","7","7","6","1","1") = "6"
    & skf21("6","2","2","7","7","6","2","1") = "6"
    & skf21("6","2","2","7","7","6","3","1") = "6"
    & skf21("6","2","2","7","7","6","4","1") = "6"
    & skf21("6","2","2","7","7","6","5","1") = "6"
    & skf21("6","2","2","7","7","6","6","1") = "6"
    & skf21("6","2","2","7","7","6","7","1") = "6"
    & skf21("6","2","2","7","7","7","1","1") = "6"
    & skf21("6","2","2","7","7","7","2","1") = "6"
    & skf21("6","2","2","7","7","7","3","1") = "6"
    & skf21("6","2","2","7","7","7","4","1") = "6"
    & skf21("6","2","2","7","7","7","5","1") = "6"
    & skf21("6","2","2","7","7","7","6","1") = "6"
    & skf21("6","2","2","7","7","7","7","1") = "6"
    & skf21("6","2","3","1","1","1","1","1") = "5"
    & skf21("6","2","3","1","1","1","2","1") = "5"
    & skf21("6","2","3","1","1","1","3","1") = "5"
    & skf21("6","2","3","1","1","1","4","1") = "5"
    & skf21("6","2","3","1","1","1","5","1") = "5"
    & skf21("6","2","3","1","1","1","6","1") = "5"
    & skf21("6","2","3","1","1","1","7","1") = "6"
    & skf21("6","2","3","1","1","2","1","1") = "5"
    & skf21("6","2","3","1","1","2","2","1") = "5"
    & skf21("6","2","3","1","1","2","3","1") = "5"
    & skf21("6","2","3","1","1","2","4","1") = "5"
    & skf21("6","2","3","1","1","2","5","1") = "5"
    & skf21("6","2","3","1","1","2","6","1") = "5"
    & skf21("6","2","3","1","1","2","7","1") = "6"
    & skf21("6","2","3","1","1","3","1","1") = "5"
    & skf21("6","2","3","1","1","3","2","1") = "5"
    & skf21("6","2","3","1","1","3","3","1") = "5"
    & skf21("6","2","3","1","1","3","4","1") = "5"
    & skf21("6","2","3","1","1","3","5","1") = "5"
    & skf21("6","2","3","1","1","3","6","1") = "5"
    & skf21("6","2","3","1","1","3","7","1") = "6"
    & skf21("6","2","3","1","1","4","1","1") = "5"
    & skf21("6","2","3","1","1","4","2","1") = "5"
    & skf21("6","2","3","1","1","4","3","1") = "5"
    & skf21("6","2","3","1","1","4","4","1") = "5"
    & skf21("6","2","3","1","1","4","5","1") = "5"
    & skf21("6","2","3","1","1","4","6","1") = "5"
    & skf21("6","2","3","1","1","4","7","1") = "6"
    & skf21("6","2","3","1","1","5","1","1") = "5"
    & skf21("6","2","3","1","1","5","2","1") = "5"
    & skf21("6","2","3","1","1","5","3","1") = "5"
    & skf21("6","2","3","1","1","5","4","1") = "5"
    & skf21("6","2","3","1","1","5","5","1") = "5"
    & skf21("6","2","3","1","1","5","6","1") = "5"
    & skf21("6","2","3","1","1","5","7","1") = "6"
    & skf21("6","2","3","1","1","6","1","1") = "5"
    & skf21("6","2","3","1","1","6","2","1") = "5"
    & skf21("6","2","3","1","1","6","3","1") = "5"
    & skf21("6","2","3","1","1","6","4","1") = "5"
    & skf21("6","2","3","1","1","6","5","1") = "5"
    & skf21("6","2","3","1","1","6","6","1") = "5"
    & skf21("6","2","3","1","1","6","7","1") = "6"
    & skf21("6","2","3","1","1","7","1","1") = "6"
    & skf21("6","2","3","1","1","7","2","1") = "6"
    & skf21("6","2","3","1","1","7","3","1") = "6"
    & skf21("6","2","3","1","1","7","4","1") = "6"
    & skf21("6","2","3","1","1","7","5","1") = "6"
    & skf21("6","2","3","1","1","7","6","1") = "6"
    & skf21("6","2","3","1","1","7","7","1") = "6"
    & skf21("6","2","3","1","2","1","1","1") = "5"
    & skf21("6","2","3","1","2","1","2","1") = "5"
    & skf21("6","2","3","1","2","1","3","1") = "5"
    & skf21("6","2","3","1","2","1","4","1") = "5"
    & skf21("6","2","3","1","2","1","5","1") = "5"
    & skf21("6","2","3","1","2","1","6","1") = "5"
    & skf21("6","2","3","1","2","1","7","1") = "6"
    & skf21("6","2","3","1","2","2","1","1") = "5"
    & skf21("6","2","3","1","2","2","2","1") = "5"
    & skf21("6","2","3","1","2","2","3","1") = "5"
    & skf21("6","2","3","1","2","2","4","1") = "5"
    & skf21("6","2","3","1","2","2","5","1") = "5"
    & skf21("6","2","3","1","2","2","6","1") = "5"
    & skf21("6","2","3","1","2","2","7","1") = "6"
    & skf21("6","2","3","1","2","3","1","1") = "5"
    & skf21("6","2","3","1","2","3","2","1") = "5"
    & skf21("6","2","3","1","2","3","3","1") = "5"
    & skf21("6","2","3","1","2","3","4","1") = "5"
    & skf21("6","2","3","1","2","3","5","1") = "5"
    & skf21("6","2","3","1","2","3","6","1") = "5"
    & skf21("6","2","3","1","2","3","7","1") = "6"
    & skf21("6","2","3","1","2","4","1","1") = "5"
    & skf21("6","2","3","1","2","4","2","1") = "5"
    & skf21("6","2","3","1","2","4","3","1") = "5"
    & skf21("6","2","3","1","2","4","4","1") = "5"
    & skf21("6","2","3","1","2","4","5","1") = "5"
    & skf21("6","2","3","1","2","4","6","1") = "5"
    & skf21("6","2","3","1","2","4","7","1") = "6"
    & skf21("6","2","3","1","2","5","1","1") = "5"
    & skf21("6","2","3","1","2","5","2","1") = "5"
    & skf21("6","2","3","1","2","5","3","1") = "5"
    & skf21("6","2","3","1","2","5","4","1") = "5"
    & skf21("6","2","3","1","2","5","5","1") = "5"
    & skf21("6","2","3","1","2","5","6","1") = "5"
    & skf21("6","2","3","1","2","5","7","1") = "6"
    & skf21("6","2","3","1","2","6","1","1") = "5"
    & skf21("6","2","3","1","2","6","2","1") = "5"
    & skf21("6","2","3","1","2","6","3","1") = "5"
    & skf21("6","2","3","1","2","6","4","1") = "5"
    & skf21("6","2","3","1","2","6","5","1") = "5"
    & skf21("6","2","3","1","2","6","6","1") = "5"
    & skf21("6","2","3","1","2","6","7","1") = "6"
    & skf21("6","2","3","1","2","7","1","1") = "6"
    & skf21("6","2","3","1","2","7","2","1") = "6"
    & skf21("6","2","3","1","2","7","3","1") = "6"
    & skf21("6","2","3","1","2","7","4","1") = "6"
    & skf21("6","2","3","1","2","7","5","1") = "6"
    & skf21("6","2","3","1","2","7","6","1") = "6"
    & skf21("6","2","3","1","2","7","7","1") = "6"
    & skf21("6","2","3","1","3","1","1","1") = "5"
    & skf21("6","2","3","1","3","1","2","1") = "5"
    & skf21("6","2","3","1","3","1","3","1") = "5"
    & skf21("6","2","3","1","3","1","4","1") = "5"
    & skf21("6","2","3","1","3","1","5","1") = "5"
    & skf21("6","2","3","1","3","1","6","1") = "5"
    & skf21("6","2","3","1","3","1","7","1") = "6"
    & skf21("6","2","3","1","3","2","1","1") = "5"
    & skf21("6","2","3","1","3","2","2","1") = "5"
    & skf21("6","2","3","1","3","2","3","1") = "5"
    & skf21("6","2","3","1","3","2","4","1") = "5"
    & skf21("6","2","3","1","3","2","5","1") = "5"
    & skf21("6","2","3","1","3","2","6","1") = "5"
    & skf21("6","2","3","1","3","2","7","1") = "6"
    & skf21("6","2","3","1","3","3","1","1") = "5"
    & skf21("6","2","3","1","3","3","2","1") = "5"
    & skf21("6","2","3","1","3","3","3","1") = "5"
    & skf21("6","2","3","1","3","3","4","1") = "5"
    & skf21("6","2","3","1","3","3","5","1") = "5"
    & skf21("6","2","3","1","3","3","6","1") = "5"
    & skf21("6","2","3","1","3","3","7","1") = "6"
    & skf21("6","2","3","1","3","4","1","1") = "5"
    & skf21("6","2","3","1","3","4","2","1") = "5"
    & skf21("6","2","3","1","3","4","3","1") = "5"
    & skf21("6","2","3","1","3","4","4","1") = "5"
    & skf21("6","2","3","1","3","4","5","1") = "5"
    & skf21("6","2","3","1","3","4","6","1") = "5"
    & skf21("6","2","3","1","3","4","7","1") = "6"
    & skf21("6","2","3","1","3","5","1","1") = "5"
    & skf21("6","2","3","1","3","5","2","1") = "5"
    & skf21("6","2","3","1","3","5","3","1") = "5"
    & skf21("6","2","3","1","3","5","4","1") = "5"
    & skf21("6","2","3","1","3","5","5","1") = "5"
    & skf21("6","2","3","1","3","5","6","1") = "5"
    & skf21("6","2","3","1","3","5","7","1") = "6"
    & skf21("6","2","3","1","3","6","1","1") = "5"
    & skf21("6","2","3","1","3","6","2","1") = "5"
    & skf21("6","2","3","1","3","6","3","1") = "5"
    & skf21("6","2","3","1","3","6","4","1") = "5"
    & skf21("6","2","3","1","3","6","5","1") = "5"
    & skf21("6","2","3","1","3","6","6","1") = "5"
    & skf21("6","2","3","1","3","6","7","1") = "6"
    & skf21("6","2","3","1","3","7","1","1") = "6"
    & skf21("6","2","3","1","3","7","2","1") = "6"
    & skf21("6","2","3","1","3","7","3","1") = "6"
    & skf21("6","2","3","1","3","7","4","1") = "6"
    & skf21("6","2","3","1","3","7","5","1") = "6"
    & skf21("6","2","3","1","3","7","6","1") = "6"
    & skf21("6","2","3","1","3","7","7","1") = "6"
    & skf21("6","2","3","1","4","1","1","1") = "5"
    & skf21("6","2","3","1","4","1","2","1") = "5"
    & skf21("6","2","3","1","4","1","3","1") = "5"
    & skf21("6","2","3","1","4","1","4","1") = "5"
    & skf21("6","2","3","1","4","1","5","1") = "5"
    & skf21("6","2","3","1","4","1","6","1") = "5"
    & skf21("6","2","3","1","4","1","7","1") = "6"
    & skf21("6","2","3","1","4","2","1","1") = "5"
    & skf21("6","2","3","1","4","2","2","1") = "5"
    & skf21("6","2","3","1","4","2","3","1") = "5"
    & skf21("6","2","3","1","4","2","4","1") = "5"
    & skf21("6","2","3","1","4","2","5","1") = "5"
    & skf21("6","2","3","1","4","2","6","1") = "5"
    & skf21("6","2","3","1","4","2","7","1") = "6"
    & skf21("6","2","3","1","4","3","1","1") = "5"
    & skf21("6","2","3","1","4","3","2","1") = "5"
    & skf21("6","2","3","1","4","3","3","1") = "5"
    & skf21("6","2","3","1","4","3","4","1") = "5"
    & skf21("6","2","3","1","4","3","5","1") = "5"
    & skf21("6","2","3","1","4","3","6","1") = "5"
    & skf21("6","2","3","1","4","3","7","1") = "6"
    & skf21("6","2","3","1","4","4","1","1") = "5"
    & skf21("6","2","3","1","4","4","2","1") = "5"
    & skf21("6","2","3","1","4","4","3","1") = "5"
    & skf21("6","2","3","1","4","4","4","1") = "5"
    & skf21("6","2","3","1","4","4","5","1") = "5"
    & skf21("6","2","3","1","4","4","6","1") = "5"
    & skf21("6","2","3","1","4","4","7","1") = "6"
    & skf21("6","2","3","1","4","5","1","1") = "5"
    & skf21("6","2","3","1","4","5","2","1") = "5"
    & skf21("6","2","3","1","4","5","3","1") = "5"
    & skf21("6","2","3","1","4","5","4","1") = "5"
    & skf21("6","2","3","1","4","5","5","1") = "5"
    & skf21("6","2","3","1","4","5","6","1") = "5"
    & skf21("6","2","3","1","4","5","7","1") = "6"
    & skf21("6","2","3","1","4","6","1","1") = "5"
    & skf21("6","2","3","1","4","6","2","1") = "5"
    & skf21("6","2","3","1","4","6","3","1") = "5"
    & skf21("6","2","3","1","4","6","4","1") = "5"
    & skf21("6","2","3","1","4","6","5","1") = "5"
    & skf21("6","2","3","1","4","6","6","1") = "5"
    & skf21("6","2","3","1","4","6","7","1") = "6"
    & skf21("6","2","3","1","4","7","1","1") = "6"
    & skf21("6","2","3","1","4","7","2","1") = "6"
    & skf21("6","2","3","1","4","7","3","1") = "6"
    & skf21("6","2","3","1","4","7","4","1") = "6"
    & skf21("6","2","3","1","4","7","5","1") = "6"
    & skf21("6","2","3","1","4","7","6","1") = "6"
    & skf21("6","2","3","1","4","7","7","1") = "6"
    & skf21("6","2","3","1","5","1","1","1") = "5"
    & skf21("6","2","3","1","5","1","2","1") = "5"
    & skf21("6","2","3","1","5","1","3","1") = "5"
    & skf21("6","2","3","1","5","1","4","1") = "5"
    & skf21("6","2","3","1","5","1","5","1") = "5"
    & skf21("6","2","3","1","5","1","6","1") = "5"
    & skf21("6","2","3","1","5","1","7","1") = "6"
    & skf21("6","2","3","1","5","2","1","1") = "5"
    & skf21("6","2","3","1","5","2","2","1") = "5"
    & skf21("6","2","3","1","5","2","3","1") = "5"
    & skf21("6","2","3","1","5","2","4","1") = "5"
    & skf21("6","2","3","1","5","2","5","1") = "5"
    & skf21("6","2","3","1","5","2","6","1") = "5"
    & skf21("6","2","3","1","5","2","7","1") = "6"
    & skf21("6","2","3","1","5","3","1","1") = "5"
    & skf21("6","2","3","1","5","3","2","1") = "5"
    & skf21("6","2","3","1","5","3","3","1") = "5"
    & skf21("6","2","3","1","5","3","4","1") = "5"
    & skf21("6","2","3","1","5","3","5","1") = "5"
    & skf21("6","2","3","1","5","3","6","1") = "5"
    & skf21("6","2","3","1","5","3","7","1") = "6"
    & skf21("6","2","3","1","5","4","1","1") = "5"
    & skf21("6","2","3","1","5","4","2","1") = "5"
    & skf21("6","2","3","1","5","4","3","1") = "5"
    & skf21("6","2","3","1","5","4","4","1") = "5"
    & skf21("6","2","3","1","5","4","5","1") = "5"
    & skf21("6","2","3","1","5","4","6","1") = "5"
    & skf21("6","2","3","1","5","4","7","1") = "6"
    & skf21("6","2","3","1","5","5","1","1") = "5"
    & skf21("6","2","3","1","5","5","2","1") = "5"
    & skf21("6","2","3","1","5","5","3","1") = "5"
    & skf21("6","2","3","1","5","5","4","1") = "5"
    & skf21("6","2","3","1","5","5","5","1") = "5"
    & skf21("6","2","3","1","5","5","6","1") = "5"
    & skf21("6","2","3","1","5","5","7","1") = "6"
    & skf21("6","2","3","1","5","6","1","1") = "5"
    & skf21("6","2","3","1","5","6","2","1") = "5"
    & skf21("6","2","3","1","5","6","3","1") = "5"
    & skf21("6","2","3","1","5","6","4","1") = "5"
    & skf21("6","2","3","1","5","6","5","1") = "5"
    & skf21("6","2","3","1","5","6","6","1") = "5"
    & skf21("6","2","3","1","5","6","7","1") = "6"
    & skf21("6","2","3","1","5","7","1","1") = "6"
    & skf21("6","2","3","1","5","7","2","1") = "6"
    & skf21("6","2","3","1","5","7","3","1") = "6"
    & skf21("6","2","3","1","5","7","4","1") = "6"
    & skf21("6","2","3","1","5","7","5","1") = "6"
    & skf21("6","2","3","1","5","7","6","1") = "6"
    & skf21("6","2","3","1","5","7","7","1") = "6"
    & skf21("6","2","3","1","6","1","1","1") = "5"
    & skf21("6","2","3","1","6","1","2","1") = "5"
    & skf21("6","2","3","1","6","1","3","1") = "5"
    & skf21("6","2","3","1","6","1","4","1") = "5"
    & skf21("6","2","3","1","6","1","5","1") = "5"
    & skf21("6","2","3","1","6","1","6","1") = "5"
    & skf21("6","2","3","1","6","1","7","1") = "6"
    & skf21("6","2","3","1","6","2","1","1") = "5"
    & skf21("6","2","3","1","6","2","2","1") = "5"
    & skf21("6","2","3","1","6","2","3","1") = "5"
    & skf21("6","2","3","1","6","2","4","1") = "5"
    & skf21("6","2","3","1","6","2","5","1") = "5"
    & skf21("6","2","3","1","6","2","6","1") = "5"
    & skf21("6","2","3","1","6","2","7","1") = "6"
    & skf21("6","2","3","1","6","3","1","1") = "5"
    & skf21("6","2","3","1","6","3","2","1") = "5"
    & skf21("6","2","3","1","6","3","3","1") = "5"
    & skf21("6","2","3","1","6","3","4","1") = "5"
    & skf21("6","2","3","1","6","3","5","1") = "5"
    & skf21("6","2","3","1","6","3","6","1") = "5"
    & skf21("6","2","3","1","6","3","7","1") = "6"
    & skf21("6","2","3","1","6","4","1","1") = "5"
    & skf21("6","2","3","1","6","4","2","1") = "5"
    & skf21("6","2","3","1","6","4","3","1") = "5"
    & skf21("6","2","3","1","6","4","4","1") = "5"
    & skf21("6","2","3","1","6","4","5","1") = "5"
    & skf21("6","2","3","1","6","4","6","1") = "5"
    & skf21("6","2","3","1","6","4","7","1") = "6"
    & skf21("6","2","3","1","6","5","1","1") = "5"
    & skf21("6","2","3","1","6","5","2","1") = "5"
    & skf21("6","2","3","1","6","5","3","1") = "5"
    & skf21("6","2","3","1","6","5","4","1") = "5"
    & skf21("6","2","3","1","6","5","5","1") = "5"
    & skf21("6","2","3","1","6","5","6","1") = "5"
    & skf21("6","2","3","1","6","5","7","1") = "6"
    & skf21("6","2","3","1","6","6","1","1") = "5"
    & skf21("6","2","3","1","6","6","2","1") = "5"
    & skf21("6","2","3","1","6","6","3","1") = "5"
    & skf21("6","2","3","1","6","6","4","1") = "5"
    & skf21("6","2","3","1","6","6","5","1") = "5"
    & skf21("6","2","3","1","6","6","6","1") = "5"
    & skf21("6","2","3","1","6","6","7","1") = "6"
    & skf21("6","2","3","1","6","7","1","1") = "6"
    & skf21("6","2","3","1","6","7","2","1") = "6"
    & skf21("6","2","3","1","6","7","3","1") = "6"
    & skf21("6","2","3","1","6","7","4","1") = "6"
    & skf21("6","2","3","1","6","7","5","1") = "6"
    & skf21("6","2","3","1","6","7","6","1") = "6"
    & skf21("6","2","3","1","6","7","7","1") = "6"
    & skf21("6","2","3","1","7","1","1","1") = "6"
    & skf21("6","2","3","1","7","1","2","1") = "6"
    & skf21("6","2","3","1","7","1","3","1") = "6"
    & skf21("6","2","3","1","7","1","4","1") = "6"
    & skf21("6","2","3","1","7","1","5","1") = "6"
    & skf21("6","2","3","1","7","1","6","1") = "6"
    & skf21("6","2","3","1","7","1","7","1") = "6"
    & skf21("6","2","3","1","7","2","1","1") = "6"
    & skf21("6","2","3","1","7","2","2","1") = "6"
    & skf21("6","2","3","1","7","2","3","1") = "6"
    & skf21("6","2","3","1","7","2","4","1") = "6"
    & skf21("6","2","3","1","7","2","5","1") = "6"
    & skf21("6","2","3","1","7","2","6","1") = "6"
    & skf21("6","2","3","1","7","2","7","1") = "6"
    & skf21("6","2","3","1","7","3","1","1") = "6"
    & skf21("6","2","3","1","7","3","2","1") = "6"
    & skf21("6","2","3","1","7","3","3","1") = "6"
    & skf21("6","2","3","1","7","3","4","1") = "6"
    & skf21("6","2","3","1","7","3","5","1") = "6"
    & skf21("6","2","3","1","7","3","6","1") = "6"
    & skf21("6","2","3","1","7","3","7","1") = "6"
    & skf21("6","2","3","1","7","4","1","1") = "6"
    & skf21("6","2","3","1","7","4","2","1") = "6"
    & skf21("6","2","3","1","7","4","3","1") = "6"
    & skf21("6","2","3","1","7","4","4","1") = "6"
    & skf21("6","2","3","1","7","4","5","1") = "6"
    & skf21("6","2","3","1","7","4","6","1") = "6"
    & skf21("6","2","3","1","7","4","7","1") = "6"
    & skf21("6","2","3","1","7","5","1","1") = "6"
    & skf21("6","2","3","1","7","5","2","1") = "6"
    & skf21("6","2","3","1","7","5","3","1") = "6"
    & skf21("6","2","3","1","7","5","4","1") = "6"
    & skf21("6","2","3","1","7","5","5","1") = "6"
    & skf21("6","2","3","1","7","5","6","1") = "6"
    & skf21("6","2","3","1","7","5","7","1") = "6"
    & skf21("6","2","3","1","7","6","1","1") = "6"
    & skf21("6","2","3","1","7","6","2","1") = "6"
    & skf21("6","2","3","1","7","6","3","1") = "6"
    & skf21("6","2","3","1","7","6","4","1") = "6"
    & skf21("6","2","3","1","7","6","5","1") = "6"
    & skf21("6","2","3","1","7","6","6","1") = "6"
    & skf21("6","2","3","1","7","6","7","1") = "6"
    & skf21("6","2","3","1","7","7","1","1") = "6"
    & skf21("6","2","3","1","7","7","2","1") = "6"
    & skf21("6","2","3","1","7","7","3","1") = "6"
    & skf21("6","2","3","1","7","7","4","1") = "6"
    & skf21("6","2","3","1","7","7","5","1") = "6"
    & skf21("6","2","3","1","7","7","6","1") = "6"
    & skf21("6","2","3","1","7","7","7","1") = "6"
    & skf21("6","2","3","2","1","1","1","1") = "5"
    & skf21("6","2","3","2","1","1","2","1") = "5"
    & skf21("6","2","3","2","1","1","3","1") = "5"
    & skf21("6","2","3","2","1","1","4","1") = "5"
    & skf21("6","2","3","2","1","1","5","1") = "5"
    & skf21("6","2","3","2","1","1","6","1") = "5"
    & skf21("6","2","3","2","1","1","7","1") = "6"
    & skf21("6","2","3","2","1","2","1","1") = "5"
    & skf21("6","2","3","2","1","2","2","1") = "5"
    & skf21("6","2","3","2","1","2","3","1") = "5"
    & skf21("6","2","3","2","1","2","4","1") = "5"
    & skf21("6","2","3","2","1","2","5","1") = "5"
    & skf21("6","2","3","2","1","2","6","1") = "5"
    & skf21("6","2","3","2","1","2","7","1") = "6"
    & skf21("6","2","3","2","1","3","1","1") = "5"
    & skf21("6","2","3","2","1","3","2","1") = "5"
    & skf21("6","2","3","2","1","3","3","1") = "5"
    & skf21("6","2","3","2","1","3","4","1") = "5"
    & skf21("6","2","3","2","1","3","5","1") = "5"
    & skf21("6","2","3","2","1","3","6","1") = "5"
    & skf21("6","2","3","2","1","3","7","1") = "6"
    & skf21("6","2","3","2","1","4","1","1") = "5"
    & skf21("6","2","3","2","1","4","2","1") = "5"
    & skf21("6","2","3","2","1","4","3","1") = "5"
    & skf21("6","2","3","2","1","4","4","1") = "5"
    & skf21("6","2","3","2","1","4","5","1") = "5"
    & skf21("6","2","3","2","1","4","6","1") = "5"
    & skf21("6","2","3","2","1","4","7","1") = "6"
    & skf21("6","2","3","2","1","5","1","1") = "5"
    & skf21("6","2","3","2","1","5","2","1") = "5"
    & skf21("6","2","3","2","1","5","3","1") = "5"
    & skf21("6","2","3","2","1","5","4","1") = "5"
    & skf21("6","2","3","2","1","5","5","1") = "5"
    & skf21("6","2","3","2","1","5","6","1") = "5"
    & skf21("6","2","3","2","1","5","7","1") = "6"
    & skf21("6","2","3","2","1","6","1","1") = "5"
    & skf21("6","2","3","2","1","6","2","1") = "5"
    & skf21("6","2","3","2","1","6","3","1") = "5"
    & skf21("6","2","3","2","1","6","4","1") = "5"
    & skf21("6","2","3","2","1","6","5","1") = "5"
    & skf21("6","2","3","2","1","6","6","1") = "5"
    & skf21("6","2","3","2","1","6","7","1") = "6"
    & skf21("6","2","3","2","1","7","1","1") = "6"
    & skf21("6","2","3","2","1","7","2","1") = "6"
    & skf21("6","2","3","2","1","7","3","1") = "6"
    & skf21("6","2","3","2","1","7","4","1") = "6"
    & skf21("6","2","3","2","1","7","5","1") = "6"
    & skf21("6","2","3","2","1","7","6","1") = "6"
    & skf21("6","2","3","2","1","7","7","1") = "6"
    & skf21("6","2","3","2","2","1","1","1") = "5"
    & skf21("6","2","3","2","2","1","2","1") = "5"
    & skf21("6","2","3","2","2","1","3","1") = "5"
    & skf21("6","2","3","2","2","1","4","1") = "5"
    & skf21("6","2","3","2","2","1","5","1") = "5"
    & skf21("6","2","3","2","2","1","6","1") = "5"
    & skf21("6","2","3","2","2","1","7","1") = "6"
    & skf21("6","2","3","2","2","2","1","1") = "5"
    & skf21("6","2","3","2","2","2","2","1") = "5"
    & skf21("6","2","3","2","2","2","3","1") = "5"
    & skf21("6","2","3","2","2","2","4","1") = "5"
    & skf21("6","2","3","2","2","2","5","1") = "5"
    & skf21("6","2","3","2","2","2","6","1") = "5"
    & skf21("6","2","3","2","2","2","7","1") = "6"
    & skf21("6","2","3","2","2","3","1","1") = "5"
    & skf21("6","2","3","2","2","3","2","1") = "5"
    & skf21("6","2","3","2","2","3","3","1") = "5"
    & skf21("6","2","3","2","2","3","4","1") = "5"
    & skf21("6","2","3","2","2","3","5","1") = "5"
    & skf21("6","2","3","2","2","3","6","1") = "5"
    & skf21("6","2","3","2","2","3","7","1") = "6"
    & skf21("6","2","3","2","2","4","1","1") = "5"
    & skf21("6","2","3","2","2","4","2","1") = "5"
    & skf21("6","2","3","2","2","4","3","1") = "5"
    & skf21("6","2","3","2","2","4","4","1") = "5"
    & skf21("6","2","3","2","2","4","5","1") = "5"
    & skf21("6","2","3","2","2","4","6","1") = "5"
    & skf21("6","2","3","2","2","4","7","1") = "6"
    & skf21("6","2","3","2","2","5","1","1") = "5"
    & skf21("6","2","3","2","2","5","2","1") = "5"
    & skf21("6","2","3","2","2","5","3","1") = "5"
    & skf21("6","2","3","2","2","5","4","1") = "5"
    & skf21("6","2","3","2","2","5","5","1") = "5"
    & skf21("6","2","3","2","2","5","6","1") = "5"
    & skf21("6","2","3","2","2","5","7","1") = "6"
    & skf21("6","2","3","2","2","6","1","1") = "5"
    & skf21("6","2","3","2","2","6","2","1") = "5"
    & skf21("6","2","3","2","2","6","3","1") = "5"
    & skf21("6","2","3","2","2","6","4","1") = "5"
    & skf21("6","2","3","2","2","6","5","1") = "5"
    & skf21("6","2","3","2","2","6","6","1") = "5"
    & skf21("6","2","3","2","2","6","7","1") = "6"
    & skf21("6","2","3","2","2","7","1","1") = "6"
    & skf21("6","2","3","2","2","7","2","1") = "6"
    & skf21("6","2","3","2","2","7","3","1") = "6"
    & skf21("6","2","3","2","2","7","4","1") = "6"
    & skf21("6","2","3","2","2","7","5","1") = "6"
    & skf21("6","2","3","2","2","7","6","1") = "6"
    & skf21("6","2","3","2","2","7","7","1") = "6"
    & skf21("6","2","3","2","3","1","1","1") = "5"
    & skf21("6","2","3","2","3","1","2","1") = "5"
    & skf21("6","2","3","2","3","1","3","1") = "5"
    & skf21("6","2","3","2","3","1","4","1") = "5"
    & skf21("6","2","3","2","3","1","5","1") = "5"
    & skf21("6","2","3","2","3","1","6","1") = "5"
    & skf21("6","2","3","2","3","1","7","1") = "6"
    & skf21("6","2","3","2","3","2","1","1") = "5"
    & skf21("6","2","3","2","3","2","2","1") = "5"
    & skf21("6","2","3","2","3","2","3","1") = "5"
    & skf21("6","2","3","2","3","2","4","1") = "5"
    & skf21("6","2","3","2","3","2","5","1") = "5"
    & skf21("6","2","3","2","3","2","6","1") = "5"
    & skf21("6","2","3","2","3","2","7","1") = "6"
    & skf21("6","2","3","2","3","3","1","1") = "5"
    & skf21("6","2","3","2","3","3","2","1") = "5"
    & skf21("6","2","3","2","3","3","3","1") = "5"
    & skf21("6","2","3","2","3","3","4","1") = "5"
    & skf21("6","2","3","2","3","3","5","1") = "5"
    & skf21("6","2","3","2","3","3","6","1") = "5"
    & skf21("6","2","3","2","3","3","7","1") = "6"
    & skf21("6","2","3","2","3","4","1","1") = "5"
    & skf21("6","2","3","2","3","4","2","1") = "5"
    & skf21("6","2","3","2","3","4","3","1") = "5"
    & skf21("6","2","3","2","3","4","4","1") = "5"
    & skf21("6","2","3","2","3","4","5","1") = "5"
    & skf21("6","2","3","2","3","4","6","1") = "5"
    & skf21("6","2","3","2","3","4","7","1") = "6"
    & skf21("6","2","3","2","3","5","1","1") = "5"
    & skf21("6","2","3","2","3","5","2","1") = "5"
    & skf21("6","2","3","2","3","5","3","1") = "5"
    & skf21("6","2","3","2","3","5","4","1") = "5"
    & skf21("6","2","3","2","3","5","5","1") = "5"
    & skf21("6","2","3","2","3","5","6","1") = "5"
    & skf21("6","2","3","2","3","5","7","1") = "6"
    & skf21("6","2","3","2","3","6","1","1") = "5"
    & skf21("6","2","3","2","3","6","2","1") = "5"
    & skf21("6","2","3","2","3","6","3","1") = "5"
    & skf21("6","2","3","2","3","6","4","1") = "5"
    & skf21("6","2","3","2","3","6","5","1") = "5"
    & skf21("6","2","3","2","3","6","6","1") = "5"
    & skf21("6","2","3","2","3","6","7","1") = "6"
    & skf21("6","2","3","2","3","7","1","1") = "6"
    & skf21("6","2","3","2","3","7","2","1") = "6"
    & skf21("6","2","3","2","3","7","3","1") = "6"
    & skf21("6","2","3","2","3","7","4","1") = "6"
    & skf21("6","2","3","2","3","7","5","1") = "6"
    & skf21("6","2","3","2","3","7","6","1") = "6"
    & skf21("6","2","3","2","3","7","7","1") = "6"
    & skf21("6","2","3","2","4","1","1","1") = "5"
    & skf21("6","2","3","2","4","1","2","1") = "5"
    & skf21("6","2","3","2","4","1","3","1") = "5"
    & skf21("6","2","3","2","4","1","4","1") = "5"
    & skf21("6","2","3","2","4","1","5","1") = "5"
    & skf21("6","2","3","2","4","1","6","1") = "5"
    & skf21("6","2","3","2","4","1","7","1") = "6"
    & skf21("6","2","3","2","4","2","1","1") = "5"
    & skf21("6","2","3","2","4","2","2","1") = "5"
    & skf21("6","2","3","2","4","2","3","1") = "5"
    & skf21("6","2","3","2","4","2","4","1") = "5"
    & skf21("6","2","3","2","4","2","5","1") = "5"
    & skf21("6","2","3","2","4","2","6","1") = "5"
    & skf21("6","2","3","2","4","2","7","1") = "6"
    & skf21("6","2","3","2","4","3","1","1") = "5"
    & skf21("6","2","3","2","4","3","2","1") = "5"
    & skf21("6","2","3","2","4","3","3","1") = "5"
    & skf21("6","2","3","2","4","3","4","1") = "5"
    & skf21("6","2","3","2","4","3","5","1") = "5"
    & skf21("6","2","3","2","4","3","6","1") = "5"
    & skf21("6","2","3","2","4","3","7","1") = "6"
    & skf21("6","2","3","2","4","4","1","1") = "5"
    & skf21("6","2","3","2","4","4","2","1") = "5"
    & skf21("6","2","3","2","4","4","3","1") = "5"
    & skf21("6","2","3","2","4","4","4","1") = "5"
    & skf21("6","2","3","2","4","4","5","1") = "5"
    & skf21("6","2","3","2","4","4","6","1") = "5"
    & skf21("6","2","3","2","4","4","7","1") = "6"
    & skf21("6","2","3","2","4","5","1","1") = "5"
    & skf21("6","2","3","2","4","5","2","1") = "5"
    & skf21("6","2","3","2","4","5","3","1") = "5"
    & skf21("6","2","3","2","4","5","4","1") = "5"
    & skf21("6","2","3","2","4","5","5","1") = "5"
    & skf21("6","2","3","2","4","5","6","1") = "5"
    & skf21("6","2","3","2","4","5","7","1") = "6"
    & skf21("6","2","3","2","4","6","1","1") = "5"
    & skf21("6","2","3","2","4","6","2","1") = "5"
    & skf21("6","2","3","2","4","6","3","1") = "5"
    & skf21("6","2","3","2","4","6","4","1") = "5"
    & skf21("6","2","3","2","4","6","5","1") = "5"
    & skf21("6","2","3","2","4","6","6","1") = "5"
    & skf21("6","2","3","2","4","6","7","1") = "6"
    & skf21("6","2","3","2","4","7","1","1") = "6"
    & skf21("6","2","3","2","4","7","2","1") = "6"
    & skf21("6","2","3","2","4","7","3","1") = "6"
    & skf21("6","2","3","2","4","7","4","1") = "6"
    & skf21("6","2","3","2","4","7","5","1") = "6"
    & skf21("6","2","3","2","4","7","6","1") = "6"
    & skf21("6","2","3","2","4","7","7","1") = "6"
    & skf21("6","2","3","2","5","1","1","1") = "5"
    & skf21("6","2","3","2","5","1","2","1") = "5"
    & skf21("6","2","3","2","5","1","3","1") = "5"
    & skf21("6","2","3","2","5","1","4","1") = "5"
    & skf21("6","2","3","2","5","1","5","1") = "5"
    & skf21("6","2","3","2","5","1","6","1") = "5"
    & skf21("6","2","3","2","5","1","7","1") = "6"
    & skf21("6","2","3","2","5","2","1","1") = "5"
    & skf21("6","2","3","2","5","2","2","1") = "5"
    & skf21("6","2","3","2","5","2","3","1") = "5"
    & skf21("6","2","3","2","5","2","4","1") = "5"
    & skf21("6","2","3","2","5","2","5","1") = "5"
    & skf21("6","2","3","2","5","2","6","1") = "5"
    & skf21("6","2","3","2","5","2","7","1") = "6"
    & skf21("6","2","3","2","5","3","1","1") = "5"
    & skf21("6","2","3","2","5","3","2","1") = "5"
    & skf21("6","2","3","2","5","3","3","1") = "5"
    & skf21("6","2","3","2","5","3","4","1") = "5"
    & skf21("6","2","3","2","5","3","5","1") = "5"
    & skf21("6","2","3","2","5","3","6","1") = "5"
    & skf21("6","2","3","2","5","3","7","1") = "6"
    & skf21("6","2","3","2","5","4","1","1") = "5"
    & skf21("6","2","3","2","5","4","2","1") = "5"
    & skf21("6","2","3","2","5","4","3","1") = "5"
    & skf21("6","2","3","2","5","4","4","1") = "5"
    & skf21("6","2","3","2","5","4","5","1") = "5"
    & skf21("6","2","3","2","5","4","6","1") = "5"
    & skf21("6","2","3","2","5","4","7","1") = "6"
    & skf21("6","2","3","2","5","5","1","1") = "5"
    & skf21("6","2","3","2","5","5","2","1") = "5"
    & skf21("6","2","3","2","5","5","3","1") = "5"
    & skf21("6","2","3","2","5","5","4","1") = "5"
    & skf21("6","2","3","2","5","5","5","1") = "5"
    & skf21("6","2","3","2","5","5","6","1") = "5"
    & skf21("6","2","3","2","5","5","7","1") = "6"
    & skf21("6","2","3","2","5","6","1","1") = "5"
    & skf21("6","2","3","2","5","6","2","1") = "5"
    & skf21("6","2","3","2","5","6","3","1") = "5"
    & skf21("6","2","3","2","5","6","4","1") = "5"
    & skf21("6","2","3","2","5","6","5","1") = "5"
    & skf21("6","2","3","2","5","6","6","1") = "5"
    & skf21("6","2","3","2","5","6","7","1") = "6"
    & skf21("6","2","3","2","5","7","1","1") = "6"
    & skf21("6","2","3","2","5","7","2","1") = "6"
    & skf21("6","2","3","2","5","7","3","1") = "6"
    & skf21("6","2","3","2","5","7","4","1") = "6"
    & skf21("6","2","3","2","5","7","5","1") = "6"
    & skf21("6","2","3","2","5","7","6","1") = "6"
    & skf21("6","2","3","2","5","7","7","1") = "6"
    & skf21("6","2","3","2","6","1","1","1") = "5"
    & skf21("6","2","3","2","6","1","2","1") = "5"
    & skf21("6","2","3","2","6","1","3","1") = "5"
    & skf21("6","2","3","2","6","1","4","1") = "5"
    & skf21("6","2","3","2","6","1","5","1") = "5"
    & skf21("6","2","3","2","6","1","6","1") = "5"
    & skf21("6","2","3","2","6","1","7","1") = "6"
    & skf21("6","2","3","2","6","2","1","1") = "5"
    & skf21("6","2","3","2","6","2","2","1") = "5"
    & skf21("6","2","3","2","6","2","3","1") = "5"
    & skf21("6","2","3","2","6","2","4","1") = "5"
    & skf21("6","2","3","2","6","2","5","1") = "5"
    & skf21("6","2","3","2","6","2","6","1") = "5"
    & skf21("6","2","3","2","6","2","7","1") = "6"
    & skf21("6","2","3","2","6","3","1","1") = "5"
    & skf21("6","2","3","2","6","3","2","1") = "5"
    & skf21("6","2","3","2","6","3","3","1") = "5"
    & skf21("6","2","3","2","6","3","4","1") = "5"
    & skf21("6","2","3","2","6","3","5","1") = "5"
    & skf21("6","2","3","2","6","3","6","1") = "5"
    & skf21("6","2","3","2","6","3","7","1") = "6"
    & skf21("6","2","3","2","6","4","1","1") = "5"
    & skf21("6","2","3","2","6","4","2","1") = "5"
    & skf21("6","2","3","2","6","4","3","1") = "5"
    & skf21("6","2","3","2","6","4","4","1") = "5"
    & skf21("6","2","3","2","6","4","5","1") = "5"
    & skf21("6","2","3","2","6","4","6","1") = "5"
    & skf21("6","2","3","2","6","4","7","1") = "6"
    & skf21("6","2","3","2","6","5","1","1") = "5"
    & skf21("6","2","3","2","6","5","2","1") = "5"
    & skf21("6","2","3","2","6","5","3","1") = "5"
    & skf21("6","2","3","2","6","5","4","1") = "5"
    & skf21("6","2","3","2","6","5","5","1") = "5"
    & skf21("6","2","3","2","6","5","6","1") = "5"
    & skf21("6","2","3","2","6","5","7","1") = "6"
    & skf21("6","2","3","2","6","6","1","1") = "5"
    & skf21("6","2","3","2","6","6","2","1") = "5"
    & skf21("6","2","3","2","6","6","3","1") = "5"
    & skf21("6","2","3","2","6","6","4","1") = "5"
    & skf21("6","2","3","2","6","6","5","1") = "5"
    & skf21("6","2","3","2","6","6","6","1") = "5"
    & skf21("6","2","3","2","6","6","7","1") = "6"
    & skf21("6","2","3","2","6","7","1","1") = "6"
    & skf21("6","2","3","2","6","7","2","1") = "6"
    & skf21("6","2","3","2","6","7","3","1") = "6"
    & skf21("6","2","3","2","6","7","4","1") = "6"
    & skf21("6","2","3","2","6","7","5","1") = "6"
    & skf21("6","2","3","2","6","7","6","1") = "6"
    & skf21("6","2","3","2","6","7","7","1") = "6"
    & skf21("6","2","3","2","7","1","1","1") = "6"
    & skf21("6","2","3","2","7","1","2","1") = "6"
    & skf21("6","2","3","2","7","1","3","1") = "6"
    & skf21("6","2","3","2","7","1","4","1") = "6"
    & skf21("6","2","3","2","7","1","5","1") = "6"
    & skf21("6","2","3","2","7","1","6","1") = "6"
    & skf21("6","2","3","2","7","1","7","1") = "6"
    & skf21("6","2","3","2","7","2","1","1") = "6"
    & skf21("6","2","3","2","7","2","2","1") = "6"
    & skf21("6","2","3","2","7","2","3","1") = "6"
    & skf21("6","2","3","2","7","2","4","1") = "6"
    & skf21("6","2","3","2","7","2","5","1") = "6"
    & skf21("6","2","3","2","7","2","6","1") = "6"
    & skf21("6","2","3","2","7","2","7","1") = "6"
    & skf21("6","2","3","2","7","3","1","1") = "6"
    & skf21("6","2","3","2","7","3","2","1") = "6"
    & skf21("6","2","3","2","7","3","3","1") = "6"
    & skf21("6","2","3","2","7","3","4","1") = "6"
    & skf21("6","2","3","2","7","3","5","1") = "6"
    & skf21("6","2","3","2","7","3","6","1") = "6"
    & skf21("6","2","3","2","7","3","7","1") = "6"
    & skf21("6","2","3","2","7","4","1","1") = "6"
    & skf21("6","2","3","2","7","4","2","1") = "6"
    & skf21("6","2","3","2","7","4","3","1") = "6"
    & skf21("6","2","3","2","7","4","4","1") = "6"
    & skf21("6","2","3","2","7","4","5","1") = "6"
    & skf21("6","2","3","2","7","4","6","1") = "6"
    & skf21("6","2","3","2","7","4","7","1") = "6"
    & skf21("6","2","3","2","7","5","1","1") = "6"
    & skf21("6","2","3","2","7","5","2","1") = "6"
    & skf21("6","2","3","2","7","5","3","1") = "6"
    & skf21("6","2","3","2","7","5","4","1") = "6"
    & skf21("6","2","3","2","7","5","5","1") = "6"
    & skf21("6","2","3","2","7","5","6","1") = "6"
    & skf21("6","2","3","2","7","5","7","1") = "6"
    & skf21("6","2","3","2","7","6","1","1") = "6"
    & skf21("6","2","3","2","7","6","2","1") = "6"
    & skf21("6","2","3","2","7","6","3","1") = "6"
    & skf21("6","2","3","2","7","6","4","1") = "6"
    & skf21("6","2","3","2","7","6","5","1") = "6"
    & skf21("6","2","3","2","7","6","6","1") = "6"
    & skf21("6","2","3","2","7","6","7","1") = "6"
    & skf21("6","2","3","2","7","7","1","1") = "6"
    & skf21("6","2","3","2","7","7","2","1") = "6"
    & skf21("6","2","3","2","7","7","3","1") = "6"
    & skf21("6","2","3","2","7","7","4","1") = "6"
    & skf21("6","2","3","2","7","7","5","1") = "6"
    & skf21("6","2","3","2","7","7","6","1") = "6"
    & skf21("6","2","3","2","7","7","7","1") = "6"
    & skf21("6","2","3","3","1","1","1","1") = "5"
    & skf21("6","2","3","3","1","1","2","1") = "5"
    & skf21("6","2","3","3","1","1","3","1") = "5"
    & skf21("6","2","3","3","1","1","4","1") = "5"
    & skf21("6","2","3","3","1","1","5","1") = "5"
    & skf21("6","2","3","3","1","1","6","1") = "5"
    & skf21("6","2","3","3","1","1","7","1") = "6"
    & skf21("6","2","3","3","1","2","1","1") = "5"
    & skf21("6","2","3","3","1","2","2","1") = "5"
    & skf21("6","2","3","3","1","2","3","1") = "5"
    & skf21("6","2","3","3","1","2","4","1") = "5"
    & skf21("6","2","3","3","1","2","5","1") = "5"
    & skf21("6","2","3","3","1","2","6","1") = "5"
    & skf21("6","2","3","3","1","2","7","1") = "6"
    & skf21("6","2","3","3","1","3","1","1") = "5"
    & skf21("6","2","3","3","1","3","2","1") = "5"
    & skf21("6","2","3","3","1","3","3","1") = "5"
    & skf21("6","2","3","3","1","3","4","1") = "5"
    & skf21("6","2","3","3","1","3","5","1") = "5"
    & skf21("6","2","3","3","1","3","6","1") = "5"
    & skf21("6","2","3","3","1","3","7","1") = "6"
    & skf21("6","2","3","3","1","4","1","1") = "5"
    & skf21("6","2","3","3","1","4","2","1") = "5"
    & skf21("6","2","3","3","1","4","3","1") = "5"
    & skf21("6","2","3","3","1","4","4","1") = "5"
    & skf21("6","2","3","3","1","4","5","1") = "5"
    & skf21("6","2","3","3","1","4","6","1") = "5"
    & skf21("6","2","3","3","1","4","7","1") = "6"
    & skf21("6","2","3","3","1","5","1","1") = "5"
    & skf21("6","2","3","3","1","5","2","1") = "5"
    & skf21("6","2","3","3","1","5","3","1") = "5"
    & skf21("6","2","3","3","1","5","4","1") = "5"
    & skf21("6","2","3","3","1","5","5","1") = "5"
    & skf21("6","2","3","3","1","5","6","1") = "5"
    & skf21("6","2","3","3","1","5","7","1") = "6"
    & skf21("6","2","3","3","1","6","1","1") = "5"
    & skf21("6","2","3","3","1","6","2","1") = "5"
    & skf21("6","2","3","3","1","6","3","1") = "5"
    & skf21("6","2","3","3","1","6","4","1") = "5"
    & skf21("6","2","3","3","1","6","5","1") = "5"
    & skf21("6","2","3","3","1","6","6","1") = "5"
    & skf21("6","2","3","3","1","6","7","1") = "6"
    & skf21("6","2","3","3","1","7","1","1") = "6"
    & skf21("6","2","3","3","1","7","2","1") = "6"
    & skf21("6","2","3","3","1","7","3","1") = "6"
    & skf21("6","2","3","3","1","7","4","1") = "6"
    & skf21("6","2","3","3","1","7","5","1") = "6"
    & skf21("6","2","3","3","1","7","6","1") = "6"
    & skf21("6","2","3","3","1","7","7","1") = "6"
    & skf21("6","2","3","3","2","1","1","1") = "5"
    & skf21("6","2","3","3","2","1","2","1") = "5"
    & skf21("6","2","3","3","2","1","3","1") = "5"
    & skf21("6","2","3","3","2","1","4","1") = "5"
    & skf21("6","2","3","3","2","1","5","1") = "5"
    & skf21("6","2","3","3","2","1","6","1") = "5"
    & skf21("6","2","3","3","2","1","7","1") = "6"
    & skf21("6","2","3","3","2","2","1","1") = "5"
    & skf21("6","2","3","3","2","2","2","1") = "5"
    & skf21("6","2","3","3","2","2","3","1") = "5"
    & skf21("6","2","3","3","2","2","4","1") = "5"
    & skf21("6","2","3","3","2","2","5","1") = "5"
    & skf21("6","2","3","3","2","2","6","1") = "5"
    & skf21("6","2","3","3","2","2","7","1") = "6"
    & skf21("6","2","3","3","2","3","1","1") = "5"
    & skf21("6","2","3","3","2","3","2","1") = "5"
    & skf21("6","2","3","3","2","3","3","1") = "5"
    & skf21("6","2","3","3","2","3","4","1") = "5"
    & skf21("6","2","3","3","2","3","5","1") = "5"
    & skf21("6","2","3","3","2","3","6","1") = "5"
    & skf21("6","2","3","3","2","3","7","1") = "6"
    & skf21("6","2","3","3","2","4","1","1") = "5"
    & skf21("6","2","3","3","2","4","2","1") = "5"
    & skf21("6","2","3","3","2","4","3","1") = "5"
    & skf21("6","2","3","3","2","4","4","1") = "5"
    & skf21("6","2","3","3","2","4","5","1") = "5"
    & skf21("6","2","3","3","2","4","6","1") = "5"
    & skf21("6","2","3","3","2","4","7","1") = "6"
    & skf21("6","2","3","3","2","5","1","1") = "5"
    & skf21("6","2","3","3","2","5","2","1") = "5"
    & skf21("6","2","3","3","2","5","3","1") = "5"
    & skf21("6","2","3","3","2","5","4","1") = "5"
    & skf21("6","2","3","3","2","5","5","1") = "5"
    & skf21("6","2","3","3","2","5","6","1") = "5"
    & skf21("6","2","3","3","2","5","7","1") = "6"
    & skf21("6","2","3","3","2","6","1","1") = "5"
    & skf21("6","2","3","3","2","6","2","1") = "5"
    & skf21("6","2","3","3","2","6","3","1") = "5"
    & skf21("6","2","3","3","2","6","4","1") = "5"
    & skf21("6","2","3","3","2","6","5","1") = "5"
    & skf21("6","2","3","3","2","6","6","1") = "5"
    & skf21("6","2","3","3","2","6","7","1") = "6"
    & skf21("6","2","3","3","2","7","1","1") = "6"
    & skf21("6","2","3","3","2","7","2","1") = "6"
    & skf21("6","2","3","3","2","7","3","1") = "6"
    & skf21("6","2","3","3","2","7","4","1") = "6"
    & skf21("6","2","3","3","2","7","5","1") = "6"
    & skf21("6","2","3","3","2","7","6","1") = "6"
    & skf21("6","2","3","3","2","7","7","1") = "6"
    & skf21("6","2","3","3","3","1","1","1") = "5"
    & skf21("6","2","3","3","3","1","2","1") = "5"
    & skf21("6","2","3","3","3","1","3","1") = "5"
    & skf21("6","2","3","3","3","1","4","1") = "5"
    & skf21("6","2","3","3","3","1","5","1") = "5"
    & skf21("6","2","3","3","3","1","6","1") = "5"
    & skf21("6","2","3","3","3","1","7","1") = "6"
    & skf21("6","2","3","3","3","2","1","1") = "5"
    & skf21("6","2","3","3","3","2","2","1") = "5"
    & skf21("6","2","3","3","3","2","3","1") = "5"
    & skf21("6","2","3","3","3","2","4","1") = "5"
    & skf21("6","2","3","3","3","2","5","1") = "5"
    & skf21("6","2","3","3","3","2","6","1") = "5"
    & skf21("6","2","3","3","3","2","7","1") = "6"
    & skf21("6","2","3","3","3","3","1","1") = "5"
    & skf21("6","2","3","3","3","3","2","1") = "5"
    & skf21("6","2","3","3","3","3","3","1") = "5"
    & skf21("6","2","3","3","3","3","4","1") = "5"
    & skf21("6","2","3","3","3","3","5","1") = "5"
    & skf21("6","2","3","3","3","3","6","1") = "5"
    & skf21("6","2","3","3","3","3","7","1") = "6"
    & skf21("6","2","3","3","3","4","1","1") = "5"
    & skf21("6","2","3","3","3","4","2","1") = "5"
    & skf21("6","2","3","3","3","4","3","1") = "5"
    & skf21("6","2","3","3","3","4","4","1") = "5"
    & skf21("6","2","3","3","3","4","5","1") = "5"
    & skf21("6","2","3","3","3","4","6","1") = "5"
    & skf21("6","2","3","3","3","4","7","1") = "6"
    & skf21("6","2","3","3","3","5","1","1") = "5"
    & skf21("6","2","3","3","3","5","2","1") = "5"
    & skf21("6","2","3","3","3","5","3","1") = "5"
    & skf21("6","2","3","3","3","5","4","1") = "5"
    & skf21("6","2","3","3","3","5","5","1") = "5"
    & skf21("6","2","3","3","3","5","6","1") = "5"
    & skf21("6","2","3","3","3","5","7","1") = "6"
    & skf21("6","2","3","3","3","6","1","1") = "5"
    & skf21("6","2","3","3","3","6","2","1") = "5"
    & skf21("6","2","3","3","3","6","3","1") = "5"
    & skf21("6","2","3","3","3","6","4","1") = "5"
    & skf21("6","2","3","3","3","6","5","1") = "5"
    & skf21("6","2","3","3","3","6","6","1") = "5"
    & skf21("6","2","3","3","3","6","7","1") = "6"
    & skf21("6","2","3","3","3","7","1","1") = "6"
    & skf21("6","2","3","3","3","7","2","1") = "6"
    & skf21("6","2","3","3","3","7","3","1") = "6"
    & skf21("6","2","3","3","3","7","4","1") = "6"
    & skf21("6","2","3","3","3","7","5","1") = "6"
    & skf21("6","2","3","3","3","7","6","1") = "6"
    & skf21("6","2","3","3","3","7","7","1") = "6"
    & skf21("6","2","3","3","4","1","1","1") = "5"
    & skf21("6","2","3","3","4","1","2","1") = "5"
    & skf21("6","2","3","3","4","1","3","1") = "5"
    & skf21("6","2","3","3","4","1","4","1") = "5"
    & skf21("6","2","3","3","4","1","5","1") = "5"
    & skf21("6","2","3","3","4","1","6","1") = "5"
    & skf21("6","2","3","3","4","1","7","1") = "6"
    & skf21("6","2","3","3","4","2","1","1") = "5"
    & skf21("6","2","3","3","4","2","2","1") = "5"
    & skf21("6","2","3","3","4","2","3","1") = "5"
    & skf21("6","2","3","3","4","2","4","1") = "5"
    & skf21("6","2","3","3","4","2","5","1") = "5"
    & skf21("6","2","3","3","4","2","6","1") = "5"
    & skf21("6","2","3","3","4","2","7","1") = "6"
    & skf21("6","2","3","3","4","3","1","1") = "5"
    & skf21("6","2","3","3","4","3","2","1") = "5"
    & skf21("6","2","3","3","4","3","3","1") = "5"
    & skf21("6","2","3","3","4","3","4","1") = "5"
    & skf21("6","2","3","3","4","3","5","1") = "5"
    & skf21("6","2","3","3","4","3","6","1") = "5"
    & skf21("6","2","3","3","4","3","7","1") = "6"
    & skf21("6","2","3","3","4","4","1","1") = "5"
    & skf21("6","2","3","3","4","4","2","1") = "5"
    & skf21("6","2","3","3","4","4","3","1") = "5"
    & skf21("6","2","3","3","4","4","4","1") = "5"
    & skf21("6","2","3","3","4","4","5","1") = "5"
    & skf21("6","2","3","3","4","4","6","1") = "5"
    & skf21("6","2","3","3","4","4","7","1") = "6"
    & skf21("6","2","3","3","4","5","1","1") = "5"
    & skf21("6","2","3","3","4","5","2","1") = "5"
    & skf21("6","2","3","3","4","5","3","1") = "5"
    & skf21("6","2","3","3","4","5","4","1") = "5"
    & skf21("6","2","3","3","4","5","5","1") = "5"
    & skf21("6","2","3","3","4","5","6","1") = "5"
    & skf21("6","2","3","3","4","5","7","1") = "6"
    & skf21("6","2","3","3","4","6","1","1") = "5"
    & skf21("6","2","3","3","4","6","2","1") = "5"
    & skf21("6","2","3","3","4","6","3","1") = "5"
    & skf21("6","2","3","3","4","6","4","1") = "5"
    & skf21("6","2","3","3","4","6","5","1") = "5"
    & skf21("6","2","3","3","4","6","6","1") = "5"
    & skf21("6","2","3","3","4","6","7","1") = "6"
    & skf21("6","2","3","3","4","7","1","1") = "6"
    & skf21("6","2","3","3","4","7","2","1") = "6"
    & skf21("6","2","3","3","4","7","3","1") = "6"
    & skf21("6","2","3","3","4","7","4","1") = "6"
    & skf21("6","2","3","3","4","7","5","1") = "6"
    & skf21("6","2","3","3","4","7","6","1") = "6"
    & skf21("6","2","3","3","4","7","7","1") = "6"
    & skf21("6","2","3","3","5","1","1","1") = "5"
    & skf21("6","2","3","3","5","1","2","1") = "5"
    & skf21("6","2","3","3","5","1","3","1") = "5"
    & skf21("6","2","3","3","5","1","4","1") = "5"
    & skf21("6","2","3","3","5","1","5","1") = "5"
    & skf21("6","2","3","3","5","1","6","1") = "5"
    & skf21("6","2","3","3","5","1","7","1") = "6"
    & skf21("6","2","3","3","5","2","1","1") = "5"
    & skf21("6","2","3","3","5","2","2","1") = "5"
    & skf21("6","2","3","3","5","2","3","1") = "5"
    & skf21("6","2","3","3","5","2","4","1") = "5"
    & skf21("6","2","3","3","5","2","5","1") = "5"
    & skf21("6","2","3","3","5","2","6","1") = "5"
    & skf21("6","2","3","3","5","2","7","1") = "6"
    & skf21("6","2","3","3","5","3","1","1") = "5"
    & skf21("6","2","3","3","5","3","2","1") = "5"
    & skf21("6","2","3","3","5","3","3","1") = "5"
    & skf21("6","2","3","3","5","3","4","1") = "5"
    & skf21("6","2","3","3","5","3","5","1") = "5"
    & skf21("6","2","3","3","5","3","6","1") = "5"
    & skf21("6","2","3","3","5","3","7","1") = "6"
    & skf21("6","2","3","3","5","4","1","1") = "5"
    & skf21("6","2","3","3","5","4","2","1") = "5"
    & skf21("6","2","3","3","5","4","3","1") = "5"
    & skf21("6","2","3","3","5","4","4","1") = "5"
    & skf21("6","2","3","3","5","4","5","1") = "5"
    & skf21("6","2","3","3","5","4","6","1") = "5"
    & skf21("6","2","3","3","5","4","7","1") = "6"
    & skf21("6","2","3","3","5","5","1","1") = "5"
    & skf21("6","2","3","3","5","5","2","1") = "5"
    & skf21("6","2","3","3","5","5","3","1") = "5"
    & skf21("6","2","3","3","5","5","4","1") = "5"
    & skf21("6","2","3","3","5","5","5","1") = "5"
    & skf21("6","2","3","3","5","5","6","1") = "5"
    & skf21("6","2","3","3","5","5","7","1") = "6"
    & skf21("6","2","3","3","5","6","1","1") = "5"
    & skf21("6","2","3","3","5","6","2","1") = "5"
    & skf21("6","2","3","3","5","6","3","1") = "5"
    & skf21("6","2","3","3","5","6","4","1") = "5"
    & skf21("6","2","3","3","5","6","5","1") = "5"
    & skf21("6","2","3","3","5","6","6","1") = "5"
    & skf21("6","2","3","3","5","6","7","1") = "6"
    & skf21("6","2","3","3","5","7","1","1") = "6"
    & skf21("6","2","3","3","5","7","2","1") = "6"
    & skf21("6","2","3","3","5","7","3","1") = "6"
    & skf21("6","2","3","3","5","7","4","1") = "6"
    & skf21("6","2","3","3","5","7","5","1") = "6"
    & skf21("6","2","3","3","5","7","6","1") = "6"
    & skf21("6","2","3","3","5","7","7","1") = "6"
    & skf21("6","2","3","3","6","1","1","1") = "5"
    & skf21("6","2","3","3","6","1","2","1") = "5"
    & skf21("6","2","3","3","6","1","3","1") = "5"
    & skf21("6","2","3","3","6","1","4","1") = "5"
    & skf21("6","2","3","3","6","1","5","1") = "5"
    & skf21("6","2","3","3","6","1","6","1") = "5"
    & skf21("6","2","3","3","6","1","7","1") = "6"
    & skf21("6","2","3","3","6","2","1","1") = "5"
    & skf21("6","2","3","3","6","2","2","1") = "5"
    & skf21("6","2","3","3","6","2","3","1") = "5"
    & skf21("6","2","3","3","6","2","4","1") = "5"
    & skf21("6","2","3","3","6","2","5","1") = "5"
    & skf21("6","2","3","3","6","2","6","1") = "5"
    & skf21("6","2","3","3","6","2","7","1") = "6"
    & skf21("6","2","3","3","6","3","1","1") = "5"
    & skf21("6","2","3","3","6","3","2","1") = "5"
    & skf21("6","2","3","3","6","3","3","1") = "5"
    & skf21("6","2","3","3","6","3","4","1") = "5"
    & skf21("6","2","3","3","6","3","5","1") = "5"
    & skf21("6","2","3","3","6","3","6","1") = "5"
    & skf21("6","2","3","3","6","3","7","1") = "6"
    & skf21("6","2","3","3","6","4","1","1") = "5"
    & skf21("6","2","3","3","6","4","2","1") = "5"
    & skf21("6","2","3","3","6","4","3","1") = "5"
    & skf21("6","2","3","3","6","4","4","1") = "5"
    & skf21("6","2","3","3","6","4","5","1") = "5"
    & skf21("6","2","3","3","6","4","6","1") = "5"
    & skf21("6","2","3","3","6","4","7","1") = "6"
    & skf21("6","2","3","3","6","5","1","1") = "5"
    & skf21("6","2","3","3","6","5","2","1") = "5"
    & skf21("6","2","3","3","6","5","3","1") = "5"
    & skf21("6","2","3","3","6","5","4","1") = "5"
    & skf21("6","2","3","3","6","5","5","1") = "5"
    & skf21("6","2","3","3","6","5","6","1") = "5"
    & skf21("6","2","3","3","6","5","7","1") = "6"
    & skf21("6","2","3","3","6","6","1","1") = "5"
    & skf21("6","2","3","3","6","6","2","1") = "5"
    & skf21("6","2","3","3","6","6","3","1") = "5"
    & skf21("6","2","3","3","6","6","4","1") = "5"
    & skf21("6","2","3","3","6","6","5","1") = "5"
    & skf21("6","2","3","3","6","6","6","1") = "5"
    & skf21("6","2","3","3","6","6","7","1") = "6"
    & skf21("6","2","3","3","6","7","1","1") = "6"
    & skf21("6","2","3","3","6","7","2","1") = "6"
    & skf21("6","2","3","3","6","7","3","1") = "6"
    & skf21("6","2","3","3","6","7","4","1") = "6"
    & skf21("6","2","3","3","6","7","5","1") = "6"
    & skf21("6","2","3","3","6","7","6","1") = "6"
    & skf21("6","2","3","3","6","7","7","1") = "6"
    & skf21("6","2","3","3","7","1","1","1") = "6"
    & skf21("6","2","3","3","7","1","2","1") = "6"
    & skf21("6","2","3","3","7","1","3","1") = "6"
    & skf21("6","2","3","3","7","1","4","1") = "6"
    & skf21("6","2","3","3","7","1","5","1") = "6"
    & skf21("6","2","3","3","7","1","6","1") = "6"
    & skf21("6","2","3","3","7","1","7","1") = "6"
    & skf21("6","2","3","3","7","2","1","1") = "6"
    & skf21("6","2","3","3","7","2","2","1") = "6"
    & skf21("6","2","3","3","7","2","3","1") = "6"
    & skf21("6","2","3","3","7","2","4","1") = "6"
    & skf21("6","2","3","3","7","2","5","1") = "6"
    & skf21("6","2","3","3","7","2","6","1") = "6"
    & skf21("6","2","3","3","7","2","7","1") = "6"
    & skf21("6","2","3","3","7","3","1","1") = "6"
    & skf21("6","2","3","3","7","3","2","1") = "6"
    & skf21("6","2","3","3","7","3","3","1") = "6"
    & skf21("6","2","3","3","7","3","4","1") = "6"
    & skf21("6","2","3","3","7","3","5","1") = "6"
    & skf21("6","2","3","3","7","3","6","1") = "6"
    & skf21("6","2","3","3","7","3","7","1") = "6"
    & skf21("6","2","3","3","7","4","1","1") = "6"
    & skf21("6","2","3","3","7","4","2","1") = "6"
    & skf21("6","2","3","3","7","4","3","1") = "6"
    & skf21("6","2","3","3","7","4","4","1") = "6"
    & skf21("6","2","3","3","7","4","5","1") = "6"
    & skf21("6","2","3","3","7","4","6","1") = "6"
    & skf21("6","2","3","3","7","4","7","1") = "6"
    & skf21("6","2","3","3","7","5","1","1") = "6"
    & skf21("6","2","3","3","7","5","2","1") = "6"
    & skf21("6","2","3","3","7","5","3","1") = "6"
    & skf21("6","2","3","3","7","5","4","1") = "6"
    & skf21("6","2","3","3","7","5","5","1") = "6"
    & skf21("6","2","3","3","7","5","6","1") = "6"
    & skf21("6","2","3","3","7","5","7","1") = "6"
    & skf21("6","2","3","3","7","6","1","1") = "6"
    & skf21("6","2","3","3","7","6","2","1") = "6"
    & skf21("6","2","3","3","7","6","3","1") = "6"
    & skf21("6","2","3","3","7","6","4","1") = "6"
    & skf21("6","2","3","3","7","6","5","1") = "6"
    & skf21("6","2","3","3","7","6","6","1") = "6"
    & skf21("6","2","3","3","7","6","7","1") = "6"
    & skf21("6","2","3","3","7","7","1","1") = "6"
    & skf21("6","2","3","3","7","7","2","1") = "6"
    & skf21("6","2","3","3","7","7","3","1") = "6"
    & skf21("6","2","3","3","7","7","4","1") = "6"
    & skf21("6","2","3","3","7","7","5","1") = "6"
    & skf21("6","2","3","3","7","7","6","1") = "6"
    & skf21("6","2","3","3","7","7","7","1") = "6"
    & skf21("6","2","3","4","1","1","1","1") = "5"
    & skf21("6","2","3","4","1","1","2","1") = "5"
    & skf21("6","2","3","4","1","1","3","1") = "5"
    & skf21("6","2","3","4","1","1","4","1") = "5"
    & skf21("6","2","3","4","1","1","5","1") = "5"
    & skf21("6","2","3","4","1","1","6","1") = "5"
    & skf21("6","2","3","4","1","1","7","1") = "6"
    & skf21("6","2","3","4","1","2","1","1") = "5"
    & skf21("6","2","3","4","1","2","2","1") = "5"
    & skf21("6","2","3","4","1","2","3","1") = "5"
    & skf21("6","2","3","4","1","2","4","1") = "5"
    & skf21("6","2","3","4","1","2","5","1") = "5"
    & skf21("6","2","3","4","1","2","6","1") = "5"
    & skf21("6","2","3","4","1","2","7","1") = "6"
    & skf21("6","2","3","4","1","3","1","1") = "5"
    & skf21("6","2","3","4","1","3","2","1") = "5"
    & skf21("6","2","3","4","1","3","3","1") = "5"
    & skf21("6","2","3","4","1","3","4","1") = "5"
    & skf21("6","2","3","4","1","3","5","1") = "5"
    & skf21("6","2","3","4","1","3","6","1") = "5"
    & skf21("6","2","3","4","1","3","7","1") = "6"
    & skf21("6","2","3","4","1","4","1","1") = "5"
    & skf21("6","2","3","4","1","4","2","1") = "5"
    & skf21("6","2","3","4","1","4","3","1") = "5"
    & skf21("6","2","3","4","1","4","4","1") = "5"
    & skf21("6","2","3","4","1","4","5","1") = "5"
    & skf21("6","2","3","4","1","4","6","1") = "5"
    & skf21("6","2","3","4","1","4","7","1") = "6"
    & skf21("6","2","3","4","1","5","1","1") = "5"
    & skf21("6","2","3","4","1","5","2","1") = "5"
    & skf21("6","2","3","4","1","5","3","1") = "5"
    & skf21("6","2","3","4","1","5","4","1") = "5"
    & skf21("6","2","3","4","1","5","5","1") = "5"
    & skf21("6","2","3","4","1","5","6","1") = "5"
    & skf21("6","2","3","4","1","5","7","1") = "6"
    & skf21("6","2","3","4","1","6","1","1") = "5"
    & skf21("6","2","3","4","1","6","2","1") = "5"
    & skf21("6","2","3","4","1","6","3","1") = "5"
    & skf21("6","2","3","4","1","6","4","1") = "5"
    & skf21("6","2","3","4","1","6","5","1") = "5"
    & skf21("6","2","3","4","1","6","6","1") = "5"
    & skf21("6","2","3","4","1","6","7","1") = "6"
    & skf21("6","2","3","4","1","7","1","1") = "6"
    & skf21("6","2","3","4","1","7","2","1") = "6"
    & skf21("6","2","3","4","1","7","3","1") = "6"
    & skf21("6","2","3","4","1","7","4","1") = "6"
    & skf21("6","2","3","4","1","7","5","1") = "6"
    & skf21("6","2","3","4","1","7","6","1") = "6"
    & skf21("6","2","3","4","1","7","7","1") = "6"
    & skf21("6","2","3","4","2","1","1","1") = "5"
    & skf21("6","2","3","4","2","1","2","1") = "5"
    & skf21("6","2","3","4","2","1","3","1") = "5"
    & skf21("6","2","3","4","2","1","4","1") = "5"
    & skf21("6","2","3","4","2","1","5","1") = "5"
    & skf21("6","2","3","4","2","1","6","1") = "5"
    & skf21("6","2","3","4","2","1","7","1") = "6"
    & skf21("6","2","3","4","2","2","1","1") = "5"
    & skf21("6","2","3","4","2","2","2","1") = "5"
    & skf21("6","2","3","4","2","2","3","1") = "5"
    & skf21("6","2","3","4","2","2","4","1") = "5"
    & skf21("6","2","3","4","2","2","5","1") = "5"
    & skf21("6","2","3","4","2","2","6","1") = "5"
    & skf21("6","2","3","4","2","2","7","1") = "6"
    & skf21("6","2","3","4","2","3","1","1") = "5"
    & skf21("6","2","3","4","2","3","2","1") = "5"
    & skf21("6","2","3","4","2","3","3","1") = "5"
    & skf21("6","2","3","4","2","3","4","1") = "5"
    & skf21("6","2","3","4","2","3","5","1") = "5"
    & skf21("6","2","3","4","2","3","6","1") = "5"
    & skf21("6","2","3","4","2","3","7","1") = "6"
    & skf21("6","2","3","4","2","4","1","1") = "5"
    & skf21("6","2","3","4","2","4","2","1") = "5"
    & skf21("6","2","3","4","2","4","3","1") = "5"
    & skf21("6","2","3","4","2","4","4","1") = "5"
    & skf21("6","2","3","4","2","4","5","1") = "5"
    & skf21("6","2","3","4","2","4","6","1") = "5"
    & skf21("6","2","3","4","2","4","7","1") = "6"
    & skf21("6","2","3","4","2","5","1","1") = "5"
    & skf21("6","2","3","4","2","5","2","1") = "5"
    & skf21("6","2","3","4","2","5","3","1") = "5"
    & skf21("6","2","3","4","2","5","4","1") = "5"
    & skf21("6","2","3","4","2","5","5","1") = "5"
    & skf21("6","2","3","4","2","5","6","1") = "5"
    & skf21("6","2","3","4","2","5","7","1") = "6"
    & skf21("6","2","3","4","2","6","1","1") = "5"
    & skf21("6","2","3","4","2","6","2","1") = "5"
    & skf21("6","2","3","4","2","6","3","1") = "5"
    & skf21("6","2","3","4","2","6","4","1") = "5"
    & skf21("6","2","3","4","2","6","5","1") = "5"
    & skf21("6","2","3","4","2","6","6","1") = "5"
    & skf21("6","2","3","4","2","6","7","1") = "6"
    & skf21("6","2","3","4","2","7","1","1") = "6"
    & skf21("6","2","3","4","2","7","2","1") = "6"
    & skf21("6","2","3","4","2","7","3","1") = "6"
    & skf21("6","2","3","4","2","7","4","1") = "6"
    & skf21("6","2","3","4","2","7","5","1") = "6"
    & skf21("6","2","3","4","2","7","6","1") = "6"
    & skf21("6","2","3","4","2","7","7","1") = "6"
    & skf21("6","2","3","4","3","1","1","1") = "5"
    & skf21("6","2","3","4","3","1","2","1") = "5"
    & skf21("6","2","3","4","3","1","3","1") = "5"
    & skf21("6","2","3","4","3","1","4","1") = "5"
    & skf21("6","2","3","4","3","1","5","1") = "5"
    & skf21("6","2","3","4","3","1","6","1") = "5"
    & skf21("6","2","3","4","3","1","7","1") = "6"
    & skf21("6","2","3","4","3","2","1","1") = "5"
    & skf21("6","2","3","4","3","2","2","1") = "5"
    & skf21("6","2","3","4","3","2","3","1") = "5"
    & skf21("6","2","3","4","3","2","4","1") = "5"
    & skf21("6","2","3","4","3","2","5","1") = "5"
    & skf21("6","2","3","4","3","2","6","1") = "5"
    & skf21("6","2","3","4","3","2","7","1") = "6"
    & skf21("6","2","3","4","3","3","1","1") = "5"
    & skf21("6","2","3","4","3","3","2","1") = "5"
    & skf21("6","2","3","4","3","3","3","1") = "5"
    & skf21("6","2","3","4","3","3","4","1") = "5"
    & skf21("6","2","3","4","3","3","5","1") = "5"
    & skf21("6","2","3","4","3","3","6","1") = "5"
    & skf21("6","2","3","4","3","3","7","1") = "6"
    & skf21("6","2","3","4","3","4","1","1") = "5"
    & skf21("6","2","3","4","3","4","2","1") = "5"
    & skf21("6","2","3","4","3","4","3","1") = "5"
    & skf21("6","2","3","4","3","4","4","1") = "5"
    & skf21("6","2","3","4","3","4","5","1") = "5"
    & skf21("6","2","3","4","3","4","6","1") = "5"
    & skf21("6","2","3","4","3","4","7","1") = "6"
    & skf21("6","2","3","4","3","5","1","1") = "5"
    & skf21("6","2","3","4","3","5","2","1") = "5"
    & skf21("6","2","3","4","3","5","3","1") = "5"
    & skf21("6","2","3","4","3","5","4","1") = "5"
    & skf21("6","2","3","4","3","5","5","1") = "5"
    & skf21("6","2","3","4","3","5","6","1") = "5"
    & skf21("6","2","3","4","3","5","7","1") = "6"
    & skf21("6","2","3","4","3","6","1","1") = "5"
    & skf21("6","2","3","4","3","6","2","1") = "5"
    & skf21("6","2","3","4","3","6","3","1") = "5"
    & skf21("6","2","3","4","3","6","4","1") = "5"
    & skf21("6","2","3","4","3","6","5","1") = "5"
    & skf21("6","2","3","4","3","6","6","1") = "5"
    & skf21("6","2","3","4","3","6","7","1") = "6"
    & skf21("6","2","3","4","3","7","1","1") = "6"
    & skf21("6","2","3","4","3","7","2","1") = "6"
    & skf21("6","2","3","4","3","7","3","1") = "6"
    & skf21("6","2","3","4","3","7","4","1") = "6"
    & skf21("6","2","3","4","3","7","5","1") = "6"
    & skf21("6","2","3","4","3","7","6","1") = "6"
    & skf21("6","2","3","4","3","7","7","1") = "6"
    & skf21("6","2","3","4","4","1","1","1") = "5"
    & skf21("6","2","3","4","4","1","2","1") = "5"
    & skf21("6","2","3","4","4","1","3","1") = "5"
    & skf21("6","2","3","4","4","1","4","1") = "5"
    & skf21("6","2","3","4","4","1","5","1") = "5"
    & skf21("6","2","3","4","4","1","6","1") = "5"
    & skf21("6","2","3","4","4","1","7","1") = "6"
    & skf21("6","2","3","4","4","2","1","1") = "5"
    & skf21("6","2","3","4","4","2","2","1") = "5"
    & skf21("6","2","3","4","4","2","3","1") = "5"
    & skf21("6","2","3","4","4","2","4","1") = "5"
    & skf21("6","2","3","4","4","2","5","1") = "5"
    & skf21("6","2","3","4","4","2","6","1") = "5"
    & skf21("6","2","3","4","4","2","7","1") = "6"
    & skf21("6","2","3","4","4","3","1","1") = "5"
    & skf21("6","2","3","4","4","3","2","1") = "5"
    & skf21("6","2","3","4","4","3","3","1") = "5"
    & skf21("6","2","3","4","4","3","4","1") = "5"
    & skf21("6","2","3","4","4","3","5","1") = "5"
    & skf21("6","2","3","4","4","3","6","1") = "5"
    & skf21("6","2","3","4","4","3","7","1") = "6"
    & skf21("6","2","3","4","4","4","1","1") = "5"
    & skf21("6","2","3","4","4","4","2","1") = "5"
    & skf21("6","2","3","4","4","4","3","1") = "5"
    & skf21("6","2","3","4","4","4","4","1") = "5"
    & skf21("6","2","3","4","4","4","5","1") = "5"
    & skf21("6","2","3","4","4","4","6","1") = "5"
    & skf21("6","2","3","4","4","4","7","1") = "6"
    & skf21("6","2","3","4","4","5","1","1") = "5"
    & skf21("6","2","3","4","4","5","2","1") = "5"
    & skf21("6","2","3","4","4","5","3","1") = "5"
    & skf21("6","2","3","4","4","5","4","1") = "5"
    & skf21("6","2","3","4","4","5","5","1") = "5"
    & skf21("6","2","3","4","4","5","6","1") = "5"
    & skf21("6","2","3","4","4","5","7","1") = "6"
    & skf21("6","2","3","4","4","6","1","1") = "5"
    & skf21("6","2","3","4","4","6","2","1") = "5"
    & skf21("6","2","3","4","4","6","3","1") = "5"
    & skf21("6","2","3","4","4","6","4","1") = "5"
    & skf21("6","2","3","4","4","6","5","1") = "5"
    & skf21("6","2","3","4","4","6","6","1") = "5"
    & skf21("6","2","3","4","4","6","7","1") = "6"
    & skf21("6","2","3","4","4","7","1","1") = "6"
    & skf21("6","2","3","4","4","7","2","1") = "6"
    & skf21("6","2","3","4","4","7","3","1") = "6"
    & skf21("6","2","3","4","4","7","4","1") = "6"
    & skf21("6","2","3","4","4","7","5","1") = "6"
    & skf21("6","2","3","4","4","7","6","1") = "6"
    & skf21("6","2","3","4","4","7","7","1") = "6"
    & skf21("6","2","3","4","5","1","1","1") = "5"
    & skf21("6","2","3","4","5","1","2","1") = "5"
    & skf21("6","2","3","4","5","1","3","1") = "5"
    & skf21("6","2","3","4","5","1","4","1") = "5"
    & skf21("6","2","3","4","5","1","5","1") = "5"
    & skf21("6","2","3","4","5","1","6","1") = "5"
    & skf21("6","2","3","4","5","1","7","1") = "6"
    & skf21("6","2","3","4","5","2","1","1") = "5"
    & skf21("6","2","3","4","5","2","2","1") = "5"
    & skf21("6","2","3","4","5","2","3","1") = "5"
    & skf21("6","2","3","4","5","2","4","1") = "5"
    & skf21("6","2","3","4","5","2","5","1") = "5"
    & skf21("6","2","3","4","5","2","6","1") = "5"
    & skf21("6","2","3","4","5","2","7","1") = "6"
    & skf21("6","2","3","4","5","3","1","1") = "5"
    & skf21("6","2","3","4","5","3","2","1") = "5"
    & skf21("6","2","3","4","5","3","3","1") = "5"
    & skf21("6","2","3","4","5","3","4","1") = "5"
    & skf21("6","2","3","4","5","3","5","1") = "5"
    & skf21("6","2","3","4","5","3","6","1") = "5"
    & skf21("6","2","3","4","5","3","7","1") = "6"
    & skf21("6","2","3","4","5","4","1","1") = "5"
    & skf21("6","2","3","4","5","4","2","1") = "5"
    & skf21("6","2","3","4","5","4","3","1") = "5"
    & skf21("6","2","3","4","5","4","4","1") = "5"
    & skf21("6","2","3","4","5","4","5","1") = "5"
    & skf21("6","2","3","4","5","4","6","1") = "5"
    & skf21("6","2","3","4","5","4","7","1") = "6"
    & skf21("6","2","3","4","5","5","1","1") = "5"
    & skf21("6","2","3","4","5","5","2","1") = "5"
    & skf21("6","2","3","4","5","5","3","1") = "5"
    & skf21("6","2","3","4","5","5","4","1") = "5"
    & skf21("6","2","3","4","5","5","5","1") = "5"
    & skf21("6","2","3","4","5","5","6","1") = "5"
    & skf21("6","2","3","4","5","5","7","1") = "6"
    & skf21("6","2","3","4","5","6","1","1") = "5"
    & skf21("6","2","3","4","5","6","2","1") = "5"
    & skf21("6","2","3","4","5","6","3","1") = "5"
    & skf21("6","2","3","4","5","6","4","1") = "5"
    & skf21("6","2","3","4","5","6","5","1") = "5"
    & skf21("6","2","3","4","5","6","6","1") = "5"
    & skf21("6","2","3","4","5","6","7","1") = "6"
    & skf21("6","2","3","4","5","7","1","1") = "6"
    & skf21("6","2","3","4","5","7","2","1") = "6"
    & skf21("6","2","3","4","5","7","3","1") = "6"
    & skf21("6","2","3","4","5","7","4","1") = "6"
    & skf21("6","2","3","4","5","7","5","1") = "6"
    & skf21("6","2","3","4","5","7","6","1") = "6"
    & skf21("6","2","3","4","5","7","7","1") = "6"
    & skf21("6","2","3","4","6","1","1","1") = "5"
    & skf21("6","2","3","4","6","1","2","1") = "5"
    & skf21("6","2","3","4","6","1","3","1") = "5"
    & skf21("6","2","3","4","6","1","4","1") = "5"
    & skf21("6","2","3","4","6","1","5","1") = "5"
    & skf21("6","2","3","4","6","1","6","1") = "5"
    & skf21("6","2","3","4","6","1","7","1") = "6"
    & skf21("6","2","3","4","6","2","1","1") = "5"
    & skf21("6","2","3","4","6","2","2","1") = "5"
    & skf21("6","2","3","4","6","2","3","1") = "5"
    & skf21("6","2","3","4","6","2","4","1") = "5"
    & skf21("6","2","3","4","6","2","5","1") = "5"
    & skf21("6","2","3","4","6","2","6","1") = "5"
    & skf21("6","2","3","4","6","2","7","1") = "6"
    & skf21("6","2","3","4","6","3","1","1") = "5"
    & skf21("6","2","3","4","6","3","2","1") = "5"
    & skf21("6","2","3","4","6","3","3","1") = "5"
    & skf21("6","2","3","4","6","3","4","1") = "5"
    & skf21("6","2","3","4","6","3","5","1") = "5"
    & skf21("6","2","3","4","6","3","6","1") = "5"
    & skf21("6","2","3","4","6","3","7","1") = "6"
    & skf21("6","2","3","4","6","4","1","1") = "5"
    & skf21("6","2","3","4","6","4","2","1") = "5"
    & skf21("6","2","3","4","6","4","3","1") = "5"
    & skf21("6","2","3","4","6","4","4","1") = "5"
    & skf21("6","2","3","4","6","4","5","1") = "5"
    & skf21("6","2","3","4","6","4","6","1") = "5"
    & skf21("6","2","3","4","6","4","7","1") = "6"
    & skf21("6","2","3","4","6","5","1","1") = "5"
    & skf21("6","2","3","4","6","5","2","1") = "5"
    & skf21("6","2","3","4","6","5","3","1") = "5"
    & skf21("6","2","3","4","6","5","4","1") = "5"
    & skf21("6","2","3","4","6","5","5","1") = "5"
    & skf21("6","2","3","4","6","5","6","1") = "5"
    & skf21("6","2","3","4","6","5","7","1") = "6"
    & skf21("6","2","3","4","6","6","1","1") = "5"
    & skf21("6","2","3","4","6","6","2","1") = "5"
    & skf21("6","2","3","4","6","6","3","1") = "5"
    & skf21("6","2","3","4","6","6","4","1") = "5"
    & skf21("6","2","3","4","6","6","5","1") = "5"
    & skf21("6","2","3","4","6","6","6","1") = "5"
    & skf21("6","2","3","4","6","6","7","1") = "6"
    & skf21("6","2","3","4","6","7","1","1") = "6"
    & skf21("6","2","3","4","6","7","2","1") = "6"
    & skf21("6","2","3","4","6","7","3","1") = "6"
    & skf21("6","2","3","4","6","7","4","1") = "6"
    & skf21("6","2","3","4","6","7","5","1") = "6"
    & skf21("6","2","3","4","6","7","6","1") = "6"
    & skf21("6","2","3","4","6","7","7","1") = "6"
    & skf21("6","2","3","4","7","1","1","1") = "6"
    & skf21("6","2","3","4","7","1","2","1") = "6"
    & skf21("6","2","3","4","7","1","3","1") = "6"
    & skf21("6","2","3","4","7","1","4","1") = "6"
    & skf21("6","2","3","4","7","1","5","1") = "6"
    & skf21("6","2","3","4","7","1","6","1") = "6"
    & skf21("6","2","3","4","7","1","7","1") = "6"
    & skf21("6","2","3","4","7","2","1","1") = "6"
    & skf21("6","2","3","4","7","2","2","1") = "6"
    & skf21("6","2","3","4","7","2","3","1") = "6"
    & skf21("6","2","3","4","7","2","4","1") = "6"
    & skf21("6","2","3","4","7","2","5","1") = "6"
    & skf21("6","2","3","4","7","2","6","1") = "6"
    & skf21("6","2","3","4","7","2","7","1") = "6"
    & skf21("6","2","3","4","7","3","1","1") = "6"
    & skf21("6","2","3","4","7","3","2","1") = "6"
    & skf21("6","2","3","4","7","3","3","1") = "6"
    & skf21("6","2","3","4","7","3","4","1") = "6"
    & skf21("6","2","3","4","7","3","5","1") = "6"
    & skf21("6","2","3","4","7","3","6","1") = "6"
    & skf21("6","2","3","4","7","3","7","1") = "6"
    & skf21("6","2","3","4","7","4","1","1") = "6"
    & skf21("6","2","3","4","7","4","2","1") = "6"
    & skf21("6","2","3","4","7","4","3","1") = "6"
    & skf21("6","2","3","4","7","4","4","1") = "6"
    & skf21("6","2","3","4","7","4","5","1") = "6"
    & skf21("6","2","3","4","7","4","6","1") = "6"
    & skf21("6","2","3","4","7","4","7","1") = "6"
    & skf21("6","2","3","4","7","5","1","1") = "6"
    & skf21("6","2","3","4","7","5","2","1") = "6"
    & skf21("6","2","3","4","7","5","3","1") = "6"
    & skf21("6","2","3","4","7","5","4","1") = "6"
    & skf21("6","2","3","4","7","5","5","1") = "6"
    & skf21("6","2","3","4","7","5","6","1") = "6"
    & skf21("6","2","3","4","7","5","7","1") = "6"
    & skf21("6","2","3","4","7","6","1","1") = "6"
    & skf21("6","2","3","4","7","6","2","1") = "6"
    & skf21("6","2","3","4","7","6","3","1") = "6"
    & skf21("6","2","3","4","7","6","4","1") = "6"
    & skf21("6","2","3","4","7","6","5","1") = "6"
    & skf21("6","2","3","4","7","6","6","1") = "6"
    & skf21("6","2","3","4","7","6","7","1") = "6"
    & skf21("6","2","3","4","7","7","1","1") = "6"
    & skf21("6","2","3","4","7","7","2","1") = "6"
    & skf21("6","2","3","4","7","7","3","1") = "6"
    & skf21("6","2","3","4","7","7","4","1") = "6"
    & skf21("6","2","3","4","7","7","5","1") = "6"
    & skf21("6","2","3","4","7","7","6","1") = "6"
    & skf21("6","2","3","4","7","7","7","1") = "6"
    & skf21("6","2","3","5","1","1","1","1") = "5"
    & skf21("6","2","3","5","1","1","2","1") = "5"
    & skf21("6","2","3","5","1","1","3","1") = "5"
    & skf21("6","2","3","5","1","1","4","1") = "5"
    & skf21("6","2","3","5","1","1","5","1") = "5"
    & skf21("6","2","3","5","1","1","6","1") = "5"
    & skf21("6","2","3","5","1","1","7","1") = "6"
    & skf21("6","2","3","5","1","2","1","1") = "5"
    & skf21("6","2","3","5","1","2","2","1") = "5"
    & skf21("6","2","3","5","1","2","3","1") = "5"
    & skf21("6","2","3","5","1","2","4","1") = "5"
    & skf21("6","2","3","5","1","2","5","1") = "5"
    & skf21("6","2","3","5","1","2","6","1") = "5"
    & skf21("6","2","3","5","1","2","7","1") = "6"
    & skf21("6","2","3","5","1","3","1","1") = "5"
    & skf21("6","2","3","5","1","3","2","1") = "5"
    & skf21("6","2","3","5","1","3","3","1") = "5"
    & skf21("6","2","3","5","1","3","4","1") = "5"
    & skf21("6","2","3","5","1","3","5","1") = "5"
    & skf21("6","2","3","5","1","3","6","1") = "5"
    & skf21("6","2","3","5","1","3","7","1") = "6"
    & skf21("6","2","3","5","1","4","1","1") = "5"
    & skf21("6","2","3","5","1","4","2","1") = "5"
    & skf21("6","2","3","5","1","4","3","1") = "5"
    & skf21("6","2","3","5","1","4","4","1") = "5"
    & skf21("6","2","3","5","1","4","5","1") = "5"
    & skf21("6","2","3","5","1","4","6","1") = "5"
    & skf21("6","2","3","5","1","4","7","1") = "6"
    & skf21("6","2","3","5","1","5","1","1") = "5"
    & skf21("6","2","3","5","1","5","2","1") = "5"
    & skf21("6","2","3","5","1","5","3","1") = "5"
    & skf21("6","2","3","5","1","5","4","1") = "5"
    & skf21("6","2","3","5","1","5","5","1") = "5"
    & skf21("6","2","3","5","1","5","6","1") = "5"
    & skf21("6","2","3","5","1","5","7","1") = "6"
    & skf21("6","2","3","5","1","6","1","1") = "5"
    & skf21("6","2","3","5","1","6","2","1") = "5"
    & skf21("6","2","3","5","1","6","3","1") = "5"
    & skf21("6","2","3","5","1","6","4","1") = "5"
    & skf21("6","2","3","5","1","6","5","1") = "5"
    & skf21("6","2","3","5","1","6","6","1") = "5"
    & skf21("6","2","3","5","1","6","7","1") = "6"
    & skf21("6","2","3","5","1","7","1","1") = "6"
    & skf21("6","2","3","5","1","7","2","1") = "6"
    & skf21("6","2","3","5","1","7","3","1") = "6"
    & skf21("6","2","3","5","1","7","4","1") = "6"
    & skf21("6","2","3","5","1","7","5","1") = "6"
    & skf21("6","2","3","5","1","7","6","1") = "6"
    & skf21("6","2","3","5","1","7","7","1") = "6"
    & skf21("6","2","3","5","2","1","1","1") = "5"
    & skf21("6","2","3","5","2","1","2","1") = "5"
    & skf21("6","2","3","5","2","1","3","1") = "5"
    & skf21("6","2","3","5","2","1","4","1") = "5"
    & skf21("6","2","3","5","2","1","5","1") = "5"
    & skf21("6","2","3","5","2","1","6","1") = "5"
    & skf21("6","2","3","5","2","1","7","1") = "6"
    & skf21("6","2","3","5","2","2","1","1") = "5"
    & skf21("6","2","3","5","2","2","2","1") = "5"
    & skf21("6","2","3","5","2","2","3","1") = "5"
    & skf21("6","2","3","5","2","2","4","1") = "5"
    & skf21("6","2","3","5","2","2","5","1") = "5"
    & skf21("6","2","3","5","2","2","6","1") = "5"
    & skf21("6","2","3","5","2","2","7","1") = "6"
    & skf21("6","2","3","5","2","3","1","1") = "5"
    & skf21("6","2","3","5","2","3","2","1") = "5"
    & skf21("6","2","3","5","2","3","3","1") = "5"
    & skf21("6","2","3","5","2","3","4","1") = "5"
    & skf21("6","2","3","5","2","3","5","1") = "5"
    & skf21("6","2","3","5","2","3","6","1") = "5"
    & skf21("6","2","3","5","2","3","7","1") = "6"
    & skf21("6","2","3","5","2","4","1","1") = "5"
    & skf21("6","2","3","5","2","4","2","1") = "5"
    & skf21("6","2","3","5","2","4","3","1") = "5"
    & skf21("6","2","3","5","2","4","4","1") = "5"
    & skf21("6","2","3","5","2","4","5","1") = "5"
    & skf21("6","2","3","5","2","4","6","1") = "5"
    & skf21("6","2","3","5","2","4","7","1") = "6"
    & skf21("6","2","3","5","2","5","1","1") = "5"
    & skf21("6","2","3","5","2","5","2","1") = "5"
    & skf21("6","2","3","5","2","5","3","1") = "5"
    & skf21("6","2","3","5","2","5","4","1") = "5"
    & skf21("6","2","3","5","2","5","5","1") = "5"
    & skf21("6","2","3","5","2","5","6","1") = "5"
    & skf21("6","2","3","5","2","5","7","1") = "6"
    & skf21("6","2","3","5","2","6","1","1") = "5"
    & skf21("6","2","3","5","2","6","2","1") = "5"
    & skf21("6","2","3","5","2","6","3","1") = "5"
    & skf21("6","2","3","5","2","6","4","1") = "5"
    & skf21("6","2","3","5","2","6","5","1") = "5"
    & skf21("6","2","3","5","2","6","6","1") = "5"
    & skf21("6","2","3","5","2","6","7","1") = "6"
    & skf21("6","2","3","5","2","7","1","1") = "6"
    & skf21("6","2","3","5","2","7","2","1") = "6"
    & skf21("6","2","3","5","2","7","3","1") = "6"
    & skf21("6","2","3","5","2","7","4","1") = "6"
    & skf21("6","2","3","5","2","7","5","1") = "6"
    & skf21("6","2","3","5","2","7","6","1") = "6"
    & skf21("6","2","3","5","2","7","7","1") = "6"
    & skf21("6","2","3","5","3","1","1","1") = "5"
    & skf21("6","2","3","5","3","1","2","1") = "5"
    & skf21("6","2","3","5","3","1","3","1") = "5"
    & skf21("6","2","3","5","3","1","4","1") = "5"
    & skf21("6","2","3","5","3","1","5","1") = "5"
    & skf21("6","2","3","5","3","1","6","1") = "5"
    & skf21("6","2","3","5","3","1","7","1") = "6"
    & skf21("6","2","3","5","3","2","1","1") = "5"
    & skf21("6","2","3","5","3","2","2","1") = "5"
    & skf21("6","2","3","5","3","2","3","1") = "5"
    & skf21("6","2","3","5","3","2","4","1") = "5"
    & skf21("6","2","3","5","3","2","5","1") = "5"
    & skf21("6","2","3","5","3","2","6","1") = "5"
    & skf21("6","2","3","5","3","2","7","1") = "6"
    & skf21("6","2","3","5","3","3","1","1") = "5"
    & skf21("6","2","3","5","3","3","2","1") = "5"
    & skf21("6","2","3","5","3","3","3","1") = "5"
    & skf21("6","2","3","5","3","3","4","1") = "5"
    & skf21("6","2","3","5","3","3","5","1") = "5"
    & skf21("6","2","3","5","3","3","6","1") = "5"
    & skf21("6","2","3","5","3","3","7","1") = "6"
    & skf21("6","2","3","5","3","4","1","1") = "5"
    & skf21("6","2","3","5","3","4","2","1") = "5"
    & skf21("6","2","3","5","3","4","3","1") = "5"
    & skf21("6","2","3","5","3","4","4","1") = "5"
    & skf21("6","2","3","5","3","4","5","1") = "5"
    & skf21("6","2","3","5","3","4","6","1") = "5"
    & skf21("6","2","3","5","3","4","7","1") = "6"
    & skf21("6","2","3","5","3","5","1","1") = "5"
    & skf21("6","2","3","5","3","5","2","1") = "5"
    & skf21("6","2","3","5","3","5","3","1") = "5"
    & skf21("6","2","3","5","3","5","4","1") = "5"
    & skf21("6","2","3","5","3","5","5","1") = "5"
    & skf21("6","2","3","5","3","5","6","1") = "5"
    & skf21("6","2","3","5","3","5","7","1") = "6"
    & skf21("6","2","3","5","3","6","1","1") = "5"
    & skf21("6","2","3","5","3","6","2","1") = "5"
    & skf21("6","2","3","5","3","6","3","1") = "5"
    & skf21("6","2","3","5","3","6","4","1") = "5"
    & skf21("6","2","3","5","3","6","5","1") = "5"
    & skf21("6","2","3","5","3","6","6","1") = "5"
    & skf21("6","2","3","5","3","6","7","1") = "6"
    & skf21("6","2","3","5","3","7","1","1") = "6"
    & skf21("6","2","3","5","3","7","2","1") = "6"
    & skf21("6","2","3","5","3","7","3","1") = "6"
    & skf21("6","2","3","5","3","7","4","1") = "6"
    & skf21("6","2","3","5","3","7","5","1") = "6"
    & skf21("6","2","3","5","3","7","6","1") = "6"
    & skf21("6","2","3","5","3","7","7","1") = "6"
    & skf21("6","2","3","5","4","1","1","1") = "5"
    & skf21("6","2","3","5","4","1","2","1") = "5"
    & skf21("6","2","3","5","4","1","3","1") = "5"
    & skf21("6","2","3","5","4","1","4","1") = "5"
    & skf21("6","2","3","5","4","1","5","1") = "5"
    & skf21("6","2","3","5","4","1","6","1") = "5"
    & skf21("6","2","3","5","4","1","7","1") = "6"
    & skf21("6","2","3","5","4","2","1","1") = "5"
    & skf21("6","2","3","5","4","2","2","1") = "5"
    & skf21("6","2","3","5","4","2","3","1") = "5"
    & skf21("6","2","3","5","4","2","4","1") = "5"
    & skf21("6","2","3","5","4","2","5","1") = "5"
    & skf21("6","2","3","5","4","2","6","1") = "5"
    & skf21("6","2","3","5","4","2","7","1") = "6"
    & skf21("6","2","3","5","4","3","1","1") = "5"
    & skf21("6","2","3","5","4","3","2","1") = "5"
    & skf21("6","2","3","5","4","3","3","1") = "5"
    & skf21("6","2","3","5","4","3","4","1") = "5"
    & skf21("6","2","3","5","4","3","5","1") = "5"
    & skf21("6","2","3","5","4","3","6","1") = "5"
    & skf21("6","2","3","5","4","3","7","1") = "6"
    & skf21("6","2","3","5","4","4","1","1") = "5"
    & skf21("6","2","3","5","4","4","2","1") = "5"
    & skf21("6","2","3","5","4","4","3","1") = "5"
    & skf21("6","2","3","5","4","4","4","1") = "5"
    & skf21("6","2","3","5","4","4","5","1") = "5"
    & skf21("6","2","3","5","4","4","6","1") = "5"
    & skf21("6","2","3","5","4","4","7","1") = "6"
    & skf21("6","2","3","5","4","5","1","1") = "5"
    & skf21("6","2","3","5","4","5","2","1") = "5"
    & skf21("6","2","3","5","4","5","3","1") = "5"
    & skf21("6","2","3","5","4","5","4","1") = "5"
    & skf21("6","2","3","5","4","5","5","1") = "5"
    & skf21("6","2","3","5","4","5","6","1") = "5"
    & skf21("6","2","3","5","4","5","7","1") = "6"
    & skf21("6","2","3","5","4","6","1","1") = "5"
    & skf21("6","2","3","5","4","6","2","1") = "5"
    & skf21("6","2","3","5","4","6","3","1") = "5"
    & skf21("6","2","3","5","4","6","4","1") = "5"
    & skf21("6","2","3","5","4","6","5","1") = "5"
    & skf21("6","2","3","5","4","6","6","1") = "5"
    & skf21("6","2","3","5","4","6","7","1") = "6"
    & skf21("6","2","3","5","4","7","1","1") = "6"
    & skf21("6","2","3","5","4","7","2","1") = "6"
    & skf21("6","2","3","5","4","7","3","1") = "6"
    & skf21("6","2","3","5","4","7","4","1") = "6"
    & skf21("6","2","3","5","4","7","5","1") = "6"
    & skf21("6","2","3","5","4","7","6","1") = "6"
    & skf21("6","2","3","5","4","7","7","1") = "6"
    & skf21("6","2","3","5","5","1","1","1") = "5"
    & skf21("6","2","3","5","5","1","2","1") = "5"
    & skf21("6","2","3","5","5","1","3","1") = "5"
    & skf21("6","2","3","5","5","1","4","1") = "5"
    & skf21("6","2","3","5","5","1","5","1") = "5"
    & skf21("6","2","3","5","5","1","6","1") = "5"
    & skf21("6","2","3","5","5","1","7","1") = "6"
    & skf21("6","2","3","5","5","2","1","1") = "5"
    & skf21("6","2","3","5","5","2","2","1") = "5"
    & skf21("6","2","3","5","5","2","3","1") = "5"
    & skf21("6","2","3","5","5","2","4","1") = "5"
    & skf21("6","2","3","5","5","2","5","1") = "5"
    & skf21("6","2","3","5","5","2","6","1") = "5"
    & skf21("6","2","3","5","5","2","7","1") = "6"
    & skf21("6","2","3","5","5","3","1","1") = "5"
    & skf21("6","2","3","5","5","3","2","1") = "5"
    & skf21("6","2","3","5","5","3","3","1") = "5"
    & skf21("6","2","3","5","5","3","4","1") = "5"
    & skf21("6","2","3","5","5","3","5","1") = "5"
    & skf21("6","2","3","5","5","3","6","1") = "5"
    & skf21("6","2","3","5","5","3","7","1") = "6"
    & skf21("6","2","3","5","5","4","1","1") = "5"
    & skf21("6","2","3","5","5","4","2","1") = "5"
    & skf21("6","2","3","5","5","4","3","1") = "5"
    & skf21("6","2","3","5","5","4","4","1") = "5"
    & skf21("6","2","3","5","5","4","5","1") = "5"
    & skf21("6","2","3","5","5","4","6","1") = "5"
    & skf21("6","2","3","5","5","4","7","1") = "6"
    & skf21("6","2","3","5","5","5","1","1") = "5"
    & skf21("6","2","3","5","5","5","2","1") = "5"
    & skf21("6","2","3","5","5","5","3","1") = "5"
    & skf21("6","2","3","5","5","5","4","1") = "5"
    & skf21("6","2","3","5","5","5","5","1") = "5"
    & skf21("6","2","3","5","5","5","6","1") = "5"
    & skf21("6","2","3","5","5","5","7","1") = "6"
    & skf21("6","2","3","5","5","6","1","1") = "5"
    & skf21("6","2","3","5","5","6","2","1") = "5"
    & skf21("6","2","3","5","5","6","3","1") = "5"
    & skf21("6","2","3","5","5","6","4","1") = "5"
    & skf21("6","2","3","5","5","6","5","1") = "5"
    & skf21("6","2","3","5","5","6","6","1") = "5"
    & skf21("6","2","3","5","5","6","7","1") = "6"
    & skf21("6","2","3","5","5","7","1","1") = "6"
    & skf21("6","2","3","5","5","7","2","1") = "6"
    & skf21("6","2","3","5","5","7","3","1") = "6"
    & skf21("6","2","3","5","5","7","4","1") = "6"
    & skf21("6","2","3","5","5","7","5","1") = "6"
    & skf21("6","2","3","5","5","7","6","1") = "6"
    & skf21("6","2","3","5","5","7","7","1") = "6"
    & skf21("6","2","3","5","6","1","1","1") = "5"
    & skf21("6","2","3","5","6","1","2","1") = "5"
    & skf21("6","2","3","5","6","1","3","1") = "5"
    & skf21("6","2","3","5","6","1","4","1") = "5"
    & skf21("6","2","3","5","6","1","5","1") = "5"
    & skf21("6","2","3","5","6","1","6","1") = "5"
    & skf21("6","2","3","5","6","1","7","1") = "6"
    & skf21("6","2","3","5","6","2","1","1") = "5"
    & skf21("6","2","3","5","6","2","2","1") = "5"
    & skf21("6","2","3","5","6","2","3","1") = "5"
    & skf21("6","2","3","5","6","2","4","1") = "5"
    & skf21("6","2","3","5","6","2","5","1") = "5"
    & skf21("6","2","3","5","6","2","6","1") = "5"
    & skf21("6","2","3","5","6","2","7","1") = "6"
    & skf21("6","2","3","5","6","3","1","1") = "5"
    & skf21("6","2","3","5","6","3","2","1") = "5"
    & skf21("6","2","3","5","6","3","3","1") = "5"
    & skf21("6","2","3","5","6","3","4","1") = "5"
    & skf21("6","2","3","5","6","3","5","1") = "5"
    & skf21("6","2","3","5","6","3","6","1") = "5"
    & skf21("6","2","3","5","6","3","7","1") = "6"
    & skf21("6","2","3","5","6","4","1","1") = "5"
    & skf21("6","2","3","5","6","4","2","1") = "5"
    & skf21("6","2","3","5","6","4","3","1") = "5"
    & skf21("6","2","3","5","6","4","4","1") = "5"
    & skf21("6","2","3","5","6","4","5","1") = "5"
    & skf21("6","2","3","5","6","4","6","1") = "5"
    & skf21("6","2","3","5","6","4","7","1") = "6"
    & skf21("6","2","3","5","6","5","1","1") = "5"
    & skf21("6","2","3","5","6","5","2","1") = "5"
    & skf21("6","2","3","5","6","5","3","1") = "5"
    & skf21("6","2","3","5","6","5","4","1") = "5"
    & skf21("6","2","3","5","6","5","5","1") = "5"
    & skf21("6","2","3","5","6","5","6","1") = "5"
    & skf21("6","2","3","5","6","5","7","1") = "6"
    & skf21("6","2","3","5","6","6","1","1") = "5"
    & skf21("6","2","3","5","6","6","2","1") = "5"
    & skf21("6","2","3","5","6","6","3","1") = "5"
    & skf21("6","2","3","5","6","6","4","1") = "5"
    & skf21("6","2","3","5","6","6","5","1") = "5"
    & skf21("6","2","3","5","6","6","6","1") = "5"
    & skf21("6","2","3","5","6","6","7","1") = "6"
    & skf21("6","2","3","5","6","7","1","1") = "6"
    & skf21("6","2","3","5","6","7","2","1") = "6"
    & skf21("6","2","3","5","6","7","3","1") = "6"
    & skf21("6","2","3","5","6","7","4","1") = "6"
    & skf21("6","2","3","5","6","7","5","1") = "6"
    & skf21("6","2","3","5","6","7","6","1") = "6"
    & skf21("6","2","3","5","6","7","7","1") = "6"
    & skf21("6","2","3","5","7","1","1","1") = "6"
    & skf21("6","2","3","5","7","1","2","1") = "6"
    & skf21("6","2","3","5","7","1","3","1") = "6"
    & skf21("6","2","3","5","7","1","4","1") = "6"
    & skf21("6","2","3","5","7","1","5","1") = "6"
    & skf21("6","2","3","5","7","1","6","1") = "6"
    & skf21("6","2","3","5","7","1","7","1") = "6"
    & skf21("6","2","3","5","7","2","1","1") = "6"
    & skf21("6","2","3","5","7","2","2","1") = "6"
    & skf21("6","2","3","5","7","2","3","1") = "6"
    & skf21("6","2","3","5","7","2","4","1") = "6"
    & skf21("6","2","3","5","7","2","5","1") = "6"
    & skf21("6","2","3","5","7","2","6","1") = "6"
    & skf21("6","2","3","5","7","2","7","1") = "6"
    & skf21("6","2","3","5","7","3","1","1") = "6"
    & skf21("6","2","3","5","7","3","2","1") = "6"
    & skf21("6","2","3","5","7","3","3","1") = "6"
    & skf21("6","2","3","5","7","3","4","1") = "6"
    & skf21("6","2","3","5","7","3","5","1") = "6"
    & skf21("6","2","3","5","7","3","6","1") = "6"
    & skf21("6","2","3","5","7","3","7","1") = "6"
    & skf21("6","2","3","5","7","4","1","1") = "6"
    & skf21("6","2","3","5","7","4","2","1") = "6"
    & skf21("6","2","3","5","7","4","3","1") = "6"
    & skf21("6","2","3","5","7","4","4","1") = "6"
    & skf21("6","2","3","5","7","4","5","1") = "6"
    & skf21("6","2","3","5","7","4","6","1") = "6"
    & skf21("6","2","3","5","7","4","7","1") = "6"
    & skf21("6","2","3","5","7","5","1","1") = "6"
    & skf21("6","2","3","5","7","5","2","1") = "6"
    & skf21("6","2","3","5","7","5","3","1") = "6"
    & skf21("6","2","3","5","7","5","4","1") = "6"
    & skf21("6","2","3","5","7","5","5","1") = "6"
    & skf21("6","2","3","5","7","5","6","1") = "6"
    & skf21("6","2","3","5","7","5","7","1") = "6"
    & skf21("6","2","3","5","7","6","1","1") = "6"
    & skf21("6","2","3","5","7","6","2","1") = "6"
    & skf21("6","2","3","5","7","6","3","1") = "6"
    & skf21("6","2","3","5","7","6","4","1") = "6"
    & skf21("6","2","3","5","7","6","5","1") = "6"
    & skf21("6","2","3","5","7","6","6","1") = "6"
    & skf21("6","2","3","5","7","6","7","1") = "6"
    & skf21("6","2","3","5","7","7","1","1") = "6"
    & skf21("6","2","3","5","7","7","2","1") = "6"
    & skf21("6","2","3","5","7","7","3","1") = "6"
    & skf21("6","2","3","5","7","7","4","1") = "6"
    & skf21("6","2","3","5","7","7","5","1") = "6"
    & skf21("6","2","3","5","7","7","6","1") = "6"
    & skf21("6","2","3","5","7","7","7","1") = "6"
    & skf21("6","2","3","6","1","1","1","1") = "5"
    & skf21("6","2","3","6","1","1","2","1") = "5"
    & skf21("6","2","3","6","1","1","3","1") = "5"
    & skf21("6","2","3","6","1","1","4","1") = "5"
    & skf21("6","2","3","6","1","1","5","1") = "5"
    & skf21("6","2","3","6","1","1","6","1") = "5"
    & skf21("6","2","3","6","1","1","7","1") = "6"
    & skf21("6","2","3","6","1","2","1","1") = "5"
    & skf21("6","2","3","6","1","2","2","1") = "5"
    & skf21("6","2","3","6","1","2","3","1") = "5"
    & skf21("6","2","3","6","1","2","4","1") = "5"
    & skf21("6","2","3","6","1","2","5","1") = "5"
    & skf21("6","2","3","6","1","2","6","1") = "5"
    & skf21("6","2","3","6","1","2","7","1") = "6"
    & skf21("6","2","3","6","1","3","1","1") = "5"
    & skf21("6","2","3","6","1","3","2","1") = "5"
    & skf21("6","2","3","6","1","3","3","1") = "5"
    & skf21("6","2","3","6","1","3","4","1") = "5"
    & skf21("6","2","3","6","1","3","5","1") = "5"
    & skf21("6","2","3","6","1","3","6","1") = "5"
    & skf21("6","2","3","6","1","3","7","1") = "6"
    & skf21("6","2","3","6","1","4","1","1") = "5"
    & skf21("6","2","3","6","1","4","2","1") = "5"
    & skf21("6","2","3","6","1","4","3","1") = "5"
    & skf21("6","2","3","6","1","4","4","1") = "5"
    & skf21("6","2","3","6","1","4","5","1") = "5"
    & skf21("6","2","3","6","1","4","6","1") = "5"
    & skf21("6","2","3","6","1","4","7","1") = "6"
    & skf21("6","2","3","6","1","5","1","1") = "5"
    & skf21("6","2","3","6","1","5","2","1") = "5"
    & skf21("6","2","3","6","1","5","3","1") = "5"
    & skf21("6","2","3","6","1","5","4","1") = "5"
    & skf21("6","2","3","6","1","5","5","1") = "5"
    & skf21("6","2","3","6","1","5","6","1") = "5"
    & skf21("6","2","3","6","1","5","7","1") = "6"
    & skf21("6","2","3","6","1","6","1","1") = "5"
    & skf21("6","2","3","6","1","6","2","1") = "5"
    & skf21("6","2","3","6","1","6","3","1") = "5"
    & skf21("6","2","3","6","1","6","4","1") = "5"
    & skf21("6","2","3","6","1","6","5","1") = "5"
    & skf21("6","2","3","6","1","6","6","1") = "5"
    & skf21("6","2","3","6","1","6","7","1") = "6"
    & skf21("6","2","3","6","1","7","1","1") = "6"
    & skf21("6","2","3","6","1","7","2","1") = "6"
    & skf21("6","2","3","6","1","7","3","1") = "6"
    & skf21("6","2","3","6","1","7","4","1") = "6"
    & skf21("6","2","3","6","1","7","5","1") = "6"
    & skf21("6","2","3","6","1","7","6","1") = "6"
    & skf21("6","2","3","6","1","7","7","1") = "6"
    & skf21("6","2","3","6","2","1","1","1") = "5"
    & skf21("6","2","3","6","2","1","2","1") = "5"
    & skf21("6","2","3","6","2","1","3","1") = "5"
    & skf21("6","2","3","6","2","1","4","1") = "5"
    & skf21("6","2","3","6","2","1","5","1") = "5"
    & skf21("6","2","3","6","2","1","6","1") = "5"
    & skf21("6","2","3","6","2","1","7","1") = "6"
    & skf21("6","2","3","6","2","2","1","1") = "5"
    & skf21("6","2","3","6","2","2","2","1") = "5"
    & skf21("6","2","3","6","2","2","3","1") = "5"
    & skf21("6","2","3","6","2","2","4","1") = "5"
    & skf21("6","2","3","6","2","2","5","1") = "5"
    & skf21("6","2","3","6","2","2","6","1") = "5"
    & skf21("6","2","3","6","2","2","7","1") = "6"
    & skf21("6","2","3","6","2","3","1","1") = "5"
    & skf21("6","2","3","6","2","3","2","1") = "5"
    & skf21("6","2","3","6","2","3","3","1") = "5"
    & skf21("6","2","3","6","2","3","4","1") = "5"
    & skf21("6","2","3","6","2","3","5","1") = "5"
    & skf21("6","2","3","6","2","3","6","1") = "5"
    & skf21("6","2","3","6","2","3","7","1") = "6"
    & skf21("6","2","3","6","2","4","1","1") = "5"
    & skf21("6","2","3","6","2","4","2","1") = "5"
    & skf21("6","2","3","6","2","4","3","1") = "5"
    & skf21("6","2","3","6","2","4","4","1") = "5"
    & skf21("6","2","3","6","2","4","5","1") = "5"
    & skf21("6","2","3","6","2","4","6","1") = "5"
    & skf21("6","2","3","6","2","4","7","1") = "6"
    & skf21("6","2","3","6","2","5","1","1") = "5"
    & skf21("6","2","3","6","2","5","2","1") = "5"
    & skf21("6","2","3","6","2","5","3","1") = "5"
    & skf21("6","2","3","6","2","5","4","1") = "5"
    & skf21("6","2","3","6","2","5","5","1") = "5"
    & skf21("6","2","3","6","2","5","6","1") = "5"
    & skf21("6","2","3","6","2","5","7","1") = "6"
    & skf21("6","2","3","6","2","6","1","1") = "5"
    & skf21("6","2","3","6","2","6","2","1") = "5"
    & skf21("6","2","3","6","2","6","3","1") = "5"
    & skf21("6","2","3","6","2","6","4","1") = "5"
    & skf21("6","2","3","6","2","6","5","1") = "5"
    & skf21("6","2","3","6","2","6","6","1") = "5"
    & skf21("6","2","3","6","2","6","7","1") = "6"
    & skf21("6","2","3","6","2","7","1","1") = "6"
    & skf21("6","2","3","6","2","7","2","1") = "6"
    & skf21("6","2","3","6","2","7","3","1") = "6"
    & skf21("6","2","3","6","2","7","4","1") = "6"
    & skf21("6","2","3","6","2","7","5","1") = "6"
    & skf21("6","2","3","6","2","7","6","1") = "6"
    & skf21("6","2","3","6","2","7","7","1") = "6"
    & skf21("6","2","3","6","3","1","1","1") = "5"
    & skf21("6","2","3","6","3","1","2","1") = "5"
    & skf21("6","2","3","6","3","1","3","1") = "5"
    & skf21("6","2","3","6","3","1","4","1") = "5"
    & skf21("6","2","3","6","3","1","5","1") = "5"
    & skf21("6","2","3","6","3","1","6","1") = "5"
    & skf21("6","2","3","6","3","1","7","1") = "6"
    & skf21("6","2","3","6","3","2","1","1") = "5"
    & skf21("6","2","3","6","3","2","2","1") = "5"
    & skf21("6","2","3","6","3","2","3","1") = "5"
    & skf21("6","2","3","6","3","2","4","1") = "5"
    & skf21("6","2","3","6","3","2","5","1") = "5"
    & skf21("6","2","3","6","3","2","6","1") = "5"
    & skf21("6","2","3","6","3","2","7","1") = "6"
    & skf21("6","2","3","6","3","3","1","1") = "5"
    & skf21("6","2","3","6","3","3","2","1") = "5"
    & skf21("6","2","3","6","3","3","3","1") = "5"
    & skf21("6","2","3","6","3","3","4","1") = "5"
    & skf21("6","2","3","6","3","3","5","1") = "5"
    & skf21("6","2","3","6","3","3","6","1") = "5"
    & skf21("6","2","3","6","3","3","7","1") = "6"
    & skf21("6","2","3","6","3","4","1","1") = "5"
    & skf21("6","2","3","6","3","4","2","1") = "5"
    & skf21("6","2","3","6","3","4","3","1") = "5"
    & skf21("6","2","3","6","3","4","4","1") = "5"
    & skf21("6","2","3","6","3","4","5","1") = "5"
    & skf21("6","2","3","6","3","4","6","1") = "5"
    & skf21("6","2","3","6","3","4","7","1") = "6"
    & skf21("6","2","3","6","3","5","1","1") = "5"
    & skf21("6","2","3","6","3","5","2","1") = "5"
    & skf21("6","2","3","6","3","5","3","1") = "5"
    & skf21("6","2","3","6","3","5","4","1") = "5"
    & skf21("6","2","3","6","3","5","5","1") = "5"
    & skf21("6","2","3","6","3","5","6","1") = "5"
    & skf21("6","2","3","6","3","5","7","1") = "6"
    & skf21("6","2","3","6","3","6","1","1") = "5"
    & skf21("6","2","3","6","3","6","2","1") = "5"
    & skf21("6","2","3","6","3","6","3","1") = "5"
    & skf21("6","2","3","6","3","6","4","1") = "5"
    & skf21("6","2","3","6","3","6","5","1") = "5"
    & skf21("6","2","3","6","3","6","6","1") = "5"
    & skf21("6","2","3","6","3","6","7","1") = "6"
    & skf21("6","2","3","6","3","7","1","1") = "6"
    & skf21("6","2","3","6","3","7","2","1") = "6"
    & skf21("6","2","3","6","3","7","3","1") = "6"
    & skf21("6","2","3","6","3","7","4","1") = "6"
    & skf21("6","2","3","6","3","7","5","1") = "6"
    & skf21("6","2","3","6","3","7","6","1") = "6"
    & skf21("6","2","3","6","3","7","7","1") = "6"
    & skf21("6","2","3","6","4","1","1","1") = "5"
    & skf21("6","2","3","6","4","1","2","1") = "5"
    & skf21("6","2","3","6","4","1","3","1") = "5"
    & skf21("6","2","3","6","4","1","4","1") = "5"
    & skf21("6","2","3","6","4","1","5","1") = "5"
    & skf21("6","2","3","6","4","1","6","1") = "5"
    & skf21("6","2","3","6","4","1","7","1") = "6"
    & skf21("6","2","3","6","4","2","1","1") = "5"
    & skf21("6","2","3","6","4","2","2","1") = "5"
    & skf21("6","2","3","6","4","2","3","1") = "5"
    & skf21("6","2","3","6","4","2","4","1") = "5"
    & skf21("6","2","3","6","4","2","5","1") = "5"
    & skf21("6","2","3","6","4","2","6","1") = "5"
    & skf21("6","2","3","6","4","2","7","1") = "6"
    & skf21("6","2","3","6","4","3","1","1") = "5"
    & skf21("6","2","3","6","4","3","2","1") = "5"
    & skf21("6","2","3","6","4","3","3","1") = "5"
    & skf21("6","2","3","6","4","3","4","1") = "5"
    & skf21("6","2","3","6","4","3","5","1") = "5"
    & skf21("6","2","3","6","4","3","6","1") = "5"
    & skf21("6","2","3","6","4","3","7","1") = "6"
    & skf21("6","2","3","6","4","4","1","1") = "5"
    & skf21("6","2","3","6","4","4","2","1") = "5"
    & skf21("6","2","3","6","4","4","3","1") = "5"
    & skf21("6","2","3","6","4","4","4","1") = "5"
    & skf21("6","2","3","6","4","4","5","1") = "5"
    & skf21("6","2","3","6","4","4","6","1") = "5"
    & skf21("6","2","3","6","4","4","7","1") = "6"
    & skf21("6","2","3","6","4","5","1","1") = "5"
    & skf21("6","2","3","6","4","5","2","1") = "5"
    & skf21("6","2","3","6","4","5","3","1") = "5"
    & skf21("6","2","3","6","4","5","4","1") = "5"
    & skf21("6","2","3","6","4","5","5","1") = "5"
    & skf21("6","2","3","6","4","5","6","1") = "5"
    & skf21("6","2","3","6","4","5","7","1") = "6"
    & skf21("6","2","3","6","4","6","1","1") = "5"
    & skf21("6","2","3","6","4","6","2","1") = "5"
    & skf21("6","2","3","6","4","6","3","1") = "5"
    & skf21("6","2","3","6","4","6","4","1") = "5"
    & skf21("6","2","3","6","4","6","5","1") = "5"
    & skf21("6","2","3","6","4","6","6","1") = "5"
    & skf21("6","2","3","6","4","6","7","1") = "6"
    & skf21("6","2","3","6","4","7","1","1") = "6"
    & skf21("6","2","3","6","4","7","2","1") = "6"
    & skf21("6","2","3","6","4","7","3","1") = "6"
    & skf21("6","2","3","6","4","7","4","1") = "6"
    & skf21("6","2","3","6","4","7","5","1") = "6"
    & skf21("6","2","3","6","4","7","6","1") = "6"
    & skf21("6","2","3","6","4","7","7","1") = "6"
    & skf21("6","2","3","6","5","1","1","1") = "5"
    & skf21("6","2","3","6","5","1","2","1") = "5"
    & skf21("6","2","3","6","5","1","3","1") = "5"
    & skf21("6","2","3","6","5","1","4","1") = "5"
    & skf21("6","2","3","6","5","1","5","1") = "5"
    & skf21("6","2","3","6","5","1","6","1") = "5"
    & skf21("6","2","3","6","5","1","7","1") = "6"
    & skf21("6","2","3","6","5","2","1","1") = "5"
    & skf21("6","2","3","6","5","2","2","1") = "5"
    & skf21("6","2","3","6","5","2","3","1") = "5"
    & skf21("6","2","3","6","5","2","4","1") = "5"
    & skf21("6","2","3","6","5","2","5","1") = "5"
    & skf21("6","2","3","6","5","2","6","1") = "5"
    & skf21("6","2","3","6","5","2","7","1") = "6"
    & skf21("6","2","3","6","5","3","1","1") = "5"
    & skf21("6","2","3","6","5","3","2","1") = "5"
    & skf21("6","2","3","6","5","3","3","1") = "5"
    & skf21("6","2","3","6","5","3","4","1") = "5"
    & skf21("6","2","3","6","5","3","5","1") = "5"
    & skf21("6","2","3","6","5","3","6","1") = "5"
    & skf21("6","2","3","6","5","3","7","1") = "6"
    & skf21("6","2","3","6","5","4","1","1") = "5"
    & skf21("6","2","3","6","5","4","2","1") = "5"
    & skf21("6","2","3","6","5","4","3","1") = "5"
    & skf21("6","2","3","6","5","4","4","1") = "5"
    & skf21("6","2","3","6","5","4","5","1") = "5"
    & skf21("6","2","3","6","5","4","6","1") = "5"
    & skf21("6","2","3","6","5","4","7","1") = "6"
    & skf21("6","2","3","6","5","5","1","1") = "5"
    & skf21("6","2","3","6","5","5","2","1") = "5"
    & skf21("6","2","3","6","5","5","3","1") = "5"
    & skf21("6","2","3","6","5","5","4","1") = "5"
    & skf21("6","2","3","6","5","5","5","1") = "5"
    & skf21("6","2","3","6","5","5","6","1") = "5"
    & skf21("6","2","3","6","5","5","7","1") = "6"
    & skf21("6","2","3","6","5","6","1","1") = "5"
    & skf21("6","2","3","6","5","6","2","1") = "5"
    & skf21("6","2","3","6","5","6","3","1") = "5"
    & skf21("6","2","3","6","5","6","4","1") = "5"
    & skf21("6","2","3","6","5","6","5","1") = "5"
    & skf21("6","2","3","6","5","6","6","1") = "5"
    & skf21("6","2","3","6","5","6","7","1") = "6"
    & skf21("6","2","3","6","5","7","1","1") = "6"
    & skf21("6","2","3","6","5","7","2","1") = "6"
    & skf21("6","2","3","6","5","7","3","1") = "6"
    & skf21("6","2","3","6","5","7","4","1") = "6"
    & skf21("6","2","3","6","5","7","5","1") = "6"
    & skf21("6","2","3","6","5","7","6","1") = "6"
    & skf21("6","2","3","6","5","7","7","1") = "6"
    & skf21("6","2","3","6","6","1","1","1") = "5"
    & skf21("6","2","3","6","6","1","2","1") = "5"
    & skf21("6","2","3","6","6","1","3","1") = "5"
    & skf21("6","2","3","6","6","1","4","1") = "5"
    & skf21("6","2","3","6","6","1","5","1") = "5"
    & skf21("6","2","3","6","6","1","6","1") = "5"
    & skf21("6","2","3","6","6","1","7","1") = "6"
    & skf21("6","2","3","6","6","2","1","1") = "5"
    & skf21("6","2","3","6","6","2","2","1") = "5"
    & skf21("6","2","3","6","6","2","3","1") = "5"
    & skf21("6","2","3","6","6","2","4","1") = "5"
    & skf21("6","2","3","6","6","2","5","1") = "5"
    & skf21("6","2","3","6","6","2","6","1") = "5"
    & skf21("6","2","3","6","6","2","7","1") = "6"
    & skf21("6","2","3","6","6","3","1","1") = "5"
    & skf21("6","2","3","6","6","3","2","1") = "5"
    & skf21("6","2","3","6","6","3","3","1") = "5"
    & skf21("6","2","3","6","6","3","4","1") = "5"
    & skf21("6","2","3","6","6","3","5","1") = "5"
    & skf21("6","2","3","6","6","3","6","1") = "5"
    & skf21("6","2","3","6","6","3","7","1") = "6"
    & skf21("6","2","3","6","6","4","1","1") = "5"
    & skf21("6","2","3","6","6","4","2","1") = "5"
    & skf21("6","2","3","6","6","4","3","1") = "5"
    & skf21("6","2","3","6","6","4","4","1") = "5"
    & skf21("6","2","3","6","6","4","5","1") = "5"
    & skf21("6","2","3","6","6","4","6","1") = "5"
    & skf21("6","2","3","6","6","4","7","1") = "6"
    & skf21("6","2","3","6","6","5","1","1") = "5"
    & skf21("6","2","3","6","6","5","2","1") = "5"
    & skf21("6","2","3","6","6","5","3","1") = "5"
    & skf21("6","2","3","6","6","5","4","1") = "5"
    & skf21("6","2","3","6","6","5","5","1") = "5"
    & skf21("6","2","3","6","6","5","6","1") = "5"
    & skf21("6","2","3","6","6","5","7","1") = "6"
    & skf21("6","2","3","6","6","6","1","1") = "5"
    & skf21("6","2","3","6","6","6","2","1") = "5"
    & skf21("6","2","3","6","6","6","3","1") = "5"
    & skf21("6","2","3","6","6","6","4","1") = "5"
    & skf21("6","2","3","6","6","6","5","1") = "5"
    & skf21("6","2","3","6","6","6","6","1") = "5"
    & skf21("6","2","3","6","6","6","7","1") = "6"
    & skf21("6","2","3","6","6","7","1","1") = "6"
    & skf21("6","2","3","6","6","7","2","1") = "6"
    & skf21("6","2","3","6","6","7","3","1") = "6"
    & skf21("6","2","3","6","6","7","4","1") = "6"
    & skf21("6","2","3","6","6","7","5","1") = "6"
    & skf21("6","2","3","6","6","7","6","1") = "6"
    & skf21("6","2","3","6","6","7","7","1") = "6"
    & skf21("6","2","3","6","7","1","1","1") = "6"
    & skf21("6","2","3","6","7","1","2","1") = "6"
    & skf21("6","2","3","6","7","1","3","1") = "6"
    & skf21("6","2","3","6","7","1","4","1") = "6"
    & skf21("6","2","3","6","7","1","5","1") = "6"
    & skf21("6","2","3","6","7","1","6","1") = "6"
    & skf21("6","2","3","6","7","1","7","1") = "6"
    & skf21("6","2","3","6","7","2","1","1") = "6"
    & skf21("6","2","3","6","7","2","2","1") = "6"
    & skf21("6","2","3","6","7","2","3","1") = "6"
    & skf21("6","2","3","6","7","2","4","1") = "6"
    & skf21("6","2","3","6","7","2","5","1") = "6"
    & skf21("6","2","3","6","7","2","6","1") = "6"
    & skf21("6","2","3","6","7","2","7","1") = "6"
    & skf21("6","2","3","6","7","3","1","1") = "6"
    & skf21("6","2","3","6","7","3","2","1") = "6"
    & skf21("6","2","3","6","7","3","3","1") = "6"
    & skf21("6","2","3","6","7","3","4","1") = "6"
    & skf21("6","2","3","6","7","3","5","1") = "6"
    & skf21("6","2","3","6","7","3","6","1") = "6"
    & skf21("6","2","3","6","7","3","7","1") = "6"
    & skf21("6","2","3","6","7","4","1","1") = "6"
    & skf21("6","2","3","6","7","4","2","1") = "6"
    & skf21("6","2","3","6","7","4","3","1") = "6"
    & skf21("6","2","3","6","7","4","4","1") = "6"
    & skf21("6","2","3","6","7","4","5","1") = "6"
    & skf21("6","2","3","6","7","4","6","1") = "6"
    & skf21("6","2","3","6","7","4","7","1") = "6"
    & skf21("6","2","3","6","7","5","1","1") = "6"
    & skf21("6","2","3","6","7","5","2","1") = "6"
    & skf21("6","2","3","6","7","5","3","1") = "6"
    & skf21("6","2","3","6","7","5","4","1") = "6"
    & skf21("6","2","3","6","7","5","5","1") = "6"
    & skf21("6","2","3","6","7","5","6","1") = "6"
    & skf21("6","2","3","6","7","5","7","1") = "6"
    & skf21("6","2","3","6","7","6","1","1") = "6"
    & skf21("6","2","3","6","7","6","2","1") = "6"
    & skf21("6","2","3","6","7","6","3","1") = "6"
    & skf21("6","2","3","6","7","6","4","1") = "6"
    & skf21("6","2","3","6","7","6","5","1") = "6"
    & skf21("6","2","3","6","7","6","6","1") = "6"
    & skf21("6","2","3","6","7","6","7","1") = "6"
    & skf21("6","2","3","6","7","7","1","1") = "6"
    & skf21("6","2","3","6","7","7","2","1") = "6"
    & skf21("6","2","3","6","7","7","3","1") = "6"
    & skf21("6","2","3","6","7","7","4","1") = "6"
    & skf21("6","2","3","6","7","7","5","1") = "6"
    & skf21("6","2","3","6","7","7","6","1") = "6"
    & skf21("6","2","3","6","7","7","7","1") = "6"
    & skf21("6","2","3","7","1","1","1","1") = "6"
    & skf21("6","2","3","7","1","1","2","1") = "6"
    & skf21("6","2","3","7","1","1","3","1") = "6"
    & skf21("6","2","3","7","1","1","4","1") = "6"
    & skf21("6","2","3","7","1","1","5","1") = "6"
    & skf21("6","2","3","7","1","1","6","1") = "6"
    & skf21("6","2","3","7","1","1","7","1") = "6"
    & skf21("6","2","3","7","1","2","1","1") = "6"
    & skf21("6","2","3","7","1","2","2","1") = "6"
    & skf21("6","2","3","7","1","2","3","1") = "6"
    & skf21("6","2","3","7","1","2","4","1") = "6"
    & skf21("6","2","3","7","1","2","5","1") = "6"
    & skf21("6","2","3","7","1","2","6","1") = "6"
    & skf21("6","2","3","7","1","2","7","1") = "6"
    & skf21("6","2","3","7","1","3","1","1") = "6"
    & skf21("6","2","3","7","1","3","2","1") = "6"
    & skf21("6","2","3","7","1","3","3","1") = "6"
    & skf21("6","2","3","7","1","3","4","1") = "6"
    & skf21("6","2","3","7","1","3","5","1") = "6"
    & skf21("6","2","3","7","1","3","6","1") = "6"
    & skf21("6","2","3","7","1","3","7","1") = "6"
    & skf21("6","2","3","7","1","4","1","1") = "6"
    & skf21("6","2","3","7","1","4","2","1") = "6"
    & skf21("6","2","3","7","1","4","3","1") = "6"
    & skf21("6","2","3","7","1","4","4","1") = "6"
    & skf21("6","2","3","7","1","4","5","1") = "6"
    & skf21("6","2","3","7","1","4","6","1") = "6"
    & skf21("6","2","3","7","1","4","7","1") = "6"
    & skf21("6","2","3","7","1","5","1","1") = "6"
    & skf21("6","2","3","7","1","5","2","1") = "6"
    & skf21("6","2","3","7","1","5","3","1") = "6"
    & skf21("6","2","3","7","1","5","4","1") = "6"
    & skf21("6","2","3","7","1","5","5","1") = "6"
    & skf21("6","2","3","7","1","5","6","1") = "6"
    & skf21("6","2","3","7","1","5","7","1") = "6"
    & skf21("6","2","3","7","1","6","1","1") = "6"
    & skf21("6","2","3","7","1","6","2","1") = "6"
    & skf21("6","2","3","7","1","6","3","1") = "6"
    & skf21("6","2","3","7","1","6","4","1") = "6"
    & skf21("6","2","3","7","1","6","5","1") = "6"
    & skf21("6","2","3","7","1","6","6","1") = "6"
    & skf21("6","2","3","7","1","6","7","1") = "6"
    & skf21("6","2","3","7","1","7","1","1") = "6"
    & skf21("6","2","3","7","1","7","2","1") = "6"
    & skf21("6","2","3","7","1","7","3","1") = "6"
    & skf21("6","2","3","7","1","7","4","1") = "6"
    & skf21("6","2","3","7","1","7","5","1") = "6"
    & skf21("6","2","3","7","1","7","6","1") = "6"
    & skf21("6","2","3","7","1","7","7","1") = "6"
    & skf21("6","2","3","7","2","1","1","1") = "6"
    & skf21("6","2","3","7","2","1","2","1") = "6"
    & skf21("6","2","3","7","2","1","3","1") = "6"
    & skf21("6","2","3","7","2","1","4","1") = "6"
    & skf21("6","2","3","7","2","1","5","1") = "6"
    & skf21("6","2","3","7","2","1","6","1") = "6"
    & skf21("6","2","3","7","2","1","7","1") = "6"
    & skf21("6","2","3","7","2","2","1","1") = "6"
    & skf21("6","2","3","7","2","2","2","1") = "6"
    & skf21("6","2","3","7","2","2","3","1") = "6"
    & skf21("6","2","3","7","2","2","4","1") = "6"
    & skf21("6","2","3","7","2","2","5","1") = "6"
    & skf21("6","2","3","7","2","2","6","1") = "6"
    & skf21("6","2","3","7","2","2","7","1") = "6"
    & skf21("6","2","3","7","2","3","1","1") = "6"
    & skf21("6","2","3","7","2","3","2","1") = "6"
    & skf21("6","2","3","7","2","3","3","1") = "6"
    & skf21("6","2","3","7","2","3","4","1") = "6"
    & skf21("6","2","3","7","2","3","5","1") = "6"
    & skf21("6","2","3","7","2","3","6","1") = "6"
    & skf21("6","2","3","7","2","3","7","1") = "6"
    & skf21("6","2","3","7","2","4","1","1") = "6"
    & skf21("6","2","3","7","2","4","2","1") = "6"
    & skf21("6","2","3","7","2","4","3","1") = "6"
    & skf21("6","2","3","7","2","4","4","1") = "6"
    & skf21("6","2","3","7","2","4","5","1") = "6"
    & skf21("6","2","3","7","2","4","6","1") = "6"
    & skf21("6","2","3","7","2","4","7","1") = "6"
    & skf21("6","2","3","7","2","5","1","1") = "6"
    & skf21("6","2","3","7","2","5","2","1") = "6"
    & skf21("6","2","3","7","2","5","3","1") = "6"
    & skf21("6","2","3","7","2","5","4","1") = "6"
    & skf21("6","2","3","7","2","5","5","1") = "6"
    & skf21("6","2","3","7","2","5","6","1") = "6"
    & skf21("6","2","3","7","2","5","7","1") = "6"
    & skf21("6","2","3","7","2","6","1","1") = "6"
    & skf21("6","2","3","7","2","6","2","1") = "6"
    & skf21("6","2","3","7","2","6","3","1") = "6"
    & skf21("6","2","3","7","2","6","4","1") = "6"
    & skf21("6","2","3","7","2","6","5","1") = "6"
    & skf21("6","2","3","7","2","6","6","1") = "6"
    & skf21("6","2","3","7","2","6","7","1") = "6"
    & skf21("6","2","3","7","2","7","1","1") = "6"
    & skf21("6","2","3","7","2","7","2","1") = "6"
    & skf21("6","2","3","7","2","7","3","1") = "6"
    & skf21("6","2","3","7","2","7","4","1") = "6"
    & skf21("6","2","3","7","2","7","5","1") = "6"
    & skf21("6","2","3","7","2","7","6","1") = "6"
    & skf21("6","2","3","7","2","7","7","1") = "6"
    & skf21("6","2","3","7","3","1","1","1") = "6"
    & skf21("6","2","3","7","3","1","2","1") = "6"
    & skf21("6","2","3","7","3","1","3","1") = "6"
    & skf21("6","2","3","7","3","1","4","1") = "6"
    & skf21("6","2","3","7","3","1","5","1") = "6"
    & skf21("6","2","3","7","3","1","6","1") = "6"
    & skf21("6","2","3","7","3","1","7","1") = "6"
    & skf21("6","2","3","7","3","2","1","1") = "6"
    & skf21("6","2","3","7","3","2","2","1") = "6"
    & skf21("6","2","3","7","3","2","3","1") = "6"
    & skf21("6","2","3","7","3","2","4","1") = "6"
    & skf21("6","2","3","7","3","2","5","1") = "6"
    & skf21("6","2","3","7","3","2","6","1") = "6"
    & skf21("6","2","3","7","3","2","7","1") = "6"
    & skf21("6","2","3","7","3","3","1","1") = "6"
    & skf21("6","2","3","7","3","3","2","1") = "6"
    & skf21("6","2","3","7","3","3","3","1") = "6"
    & skf21("6","2","3","7","3","3","4","1") = "6"
    & skf21("6","2","3","7","3","3","5","1") = "6"
    & skf21("6","2","3","7","3","3","6","1") = "6"
    & skf21("6","2","3","7","3","3","7","1") = "6"
    & skf21("6","2","3","7","3","4","1","1") = "6"
    & skf21("6","2","3","7","3","4","2","1") = "6"
    & skf21("6","2","3","7","3","4","3","1") = "6"
    & skf21("6","2","3","7","3","4","4","1") = "6"
    & skf21("6","2","3","7","3","4","5","1") = "6"
    & skf21("6","2","3","7","3","4","6","1") = "6"
    & skf21("6","2","3","7","3","4","7","1") = "6"
    & skf21("6","2","3","7","3","5","1","1") = "6"
    & skf21("6","2","3","7","3","5","2","1") = "6"
    & skf21("6","2","3","7","3","5","3","1") = "6"
    & skf21("6","2","3","7","3","5","4","1") = "6"
    & skf21("6","2","3","7","3","5","5","1") = "6"
    & skf21("6","2","3","7","3","5","6","1") = "6"
    & skf21("6","2","3","7","3","5","7","1") = "6"
    & skf21("6","2","3","7","3","6","1","1") = "6"
    & skf21("6","2","3","7","3","6","2","1") = "6"
    & skf21("6","2","3","7","3","6","3","1") = "6"
    & skf21("6","2","3","7","3","6","4","1") = "6"
    & skf21("6","2","3","7","3","6","5","1") = "6"
    & skf21("6","2","3","7","3","6","6","1") = "6"
    & skf21("6","2","3","7","3","6","7","1") = "6"
    & skf21("6","2","3","7","3","7","1","1") = "6"
    & skf21("6","2","3","7","3","7","2","1") = "6"
    & skf21("6","2","3","7","3","7","3","1") = "6"
    & skf21("6","2","3","7","3","7","4","1") = "6"
    & skf21("6","2","3","7","3","7","5","1") = "6"
    & skf21("6","2","3","7","3","7","6","1") = "6"
    & skf21("6","2","3","7","3","7","7","1") = "6"
    & skf21("6","2","3","7","4","1","1","1") = "6"
    & skf21("6","2","3","7","4","1","2","1") = "6"
    & skf21("6","2","3","7","4","1","3","1") = "6"
    & skf21("6","2","3","7","4","1","4","1") = "6"
    & skf21("6","2","3","7","4","1","5","1") = "6"
    & skf21("6","2","3","7","4","1","6","1") = "6"
    & skf21("6","2","3","7","4","1","7","1") = "6"
    & skf21("6","2","3","7","4","2","1","1") = "6"
    & skf21("6","2","3","7","4","2","2","1") = "6"
    & skf21("6","2","3","7","4","2","3","1") = "6"
    & skf21("6","2","3","7","4","2","4","1") = "6"
    & skf21("6","2","3","7","4","2","5","1") = "6"
    & skf21("6","2","3","7","4","2","6","1") = "6"
    & skf21("6","2","3","7","4","2","7","1") = "6"
    & skf21("6","2","3","7","4","3","1","1") = "6"
    & skf21("6","2","3","7","4","3","2","1") = "6"
    & skf21("6","2","3","7","4","3","3","1") = "6"
    & skf21("6","2","3","7","4","3","4","1") = "6"
    & skf21("6","2","3","7","4","3","5","1") = "6"
    & skf21("6","2","3","7","4","3","6","1") = "6"
    & skf21("6","2","3","7","4","3","7","1") = "6"
    & skf21("6","2","3","7","4","4","1","1") = "6"
    & skf21("6","2","3","7","4","4","2","1") = "6"
    & skf21("6","2","3","7","4","4","3","1") = "6"
    & skf21("6","2","3","7","4","4","4","1") = "6"
    & skf21("6","2","3","7","4","4","5","1") = "6"
    & skf21("6","2","3","7","4","4","6","1") = "6"
    & skf21("6","2","3","7","4","4","7","1") = "6"
    & skf21("6","2","3","7","4","5","1","1") = "6"
    & skf21("6","2","3","7","4","5","2","1") = "6"
    & skf21("6","2","3","7","4","5","3","1") = "6"
    & skf21("6","2","3","7","4","5","4","1") = "6"
    & skf21("6","2","3","7","4","5","5","1") = "6"
    & skf21("6","2","3","7","4","5","6","1") = "6"
    & skf21("6","2","3","7","4","5","7","1") = "6"
    & skf21("6","2","3","7","4","6","1","1") = "6"
    & skf21("6","2","3","7","4","6","2","1") = "6"
    & skf21("6","2","3","7","4","6","3","1") = "6"
    & skf21("6","2","3","7","4","6","4","1") = "6"
    & skf21("6","2","3","7","4","6","5","1") = "6"
    & skf21("6","2","3","7","4","6","6","1") = "6"
    & skf21("6","2","3","7","4","6","7","1") = "6"
    & skf21("6","2","3","7","4","7","1","1") = "6"
    & skf21("6","2","3","7","4","7","2","1") = "6"
    & skf21("6","2","3","7","4","7","3","1") = "6"
    & skf21("6","2","3","7","4","7","4","1") = "6"
    & skf21("6","2","3","7","4","7","5","1") = "6"
    & skf21("6","2","3","7","4","7","6","1") = "6"
    & skf21("6","2","3","7","4","7","7","1") = "6"
    & skf21("6","2","3","7","5","1","1","1") = "6"
    & skf21("6","2","3","7","5","1","2","1") = "6"
    & skf21("6","2","3","7","5","1","3","1") = "6"
    & skf21("6","2","3","7","5","1","4","1") = "6"
    & skf21("6","2","3","7","5","1","5","1") = "6"
    & skf21("6","2","3","7","5","1","6","1") = "6"
    & skf21("6","2","3","7","5","1","7","1") = "6"
    & skf21("6","2","3","7","5","2","1","1") = "6"
    & skf21("6","2","3","7","5","2","2","1") = "6"
    & skf21("6","2","3","7","5","2","3","1") = "6"
    & skf21("6","2","3","7","5","2","4","1") = "6"
    & skf21("6","2","3","7","5","2","5","1") = "6"
    & skf21("6","2","3","7","5","2","6","1") = "6"
    & skf21("6","2","3","7","5","2","7","1") = "6"
    & skf21("6","2","3","7","5","3","1","1") = "6"
    & skf21("6","2","3","7","5","3","2","1") = "6"
    & skf21("6","2","3","7","5","3","3","1") = "6"
    & skf21("6","2","3","7","5","3","4","1") = "6"
    & skf21("6","2","3","7","5","3","5","1") = "6"
    & skf21("6","2","3","7","5","3","6","1") = "6"
    & skf21("6","2","3","7","5","3","7","1") = "6"
    & skf21("6","2","3","7","5","4","1","1") = "6"
    & skf21("6","2","3","7","5","4","2","1") = "6"
    & skf21("6","2","3","7","5","4","3","1") = "6"
    & skf21("6","2","3","7","5","4","4","1") = "6"
    & skf21("6","2","3","7","5","4","5","1") = "6"
    & skf21("6","2","3","7","5","4","6","1") = "6"
    & skf21("6","2","3","7","5","4","7","1") = "6"
    & skf21("6","2","3","7","5","5","1","1") = "6"
    & skf21("6","2","3","7","5","5","2","1") = "6"
    & skf21("6","2","3","7","5","5","3","1") = "6"
    & skf21("6","2","3","7","5","5","4","1") = "6"
    & skf21("6","2","3","7","5","5","5","1") = "6"
    & skf21("6","2","3","7","5","5","6","1") = "6"
    & skf21("6","2","3","7","5","5","7","1") = "6"
    & skf21("6","2","3","7","5","6","1","1") = "6"
    & skf21("6","2","3","7","5","6","2","1") = "6"
    & skf21("6","2","3","7","5","6","3","1") = "6"
    & skf21("6","2","3","7","5","6","4","1") = "6"
    & skf21("6","2","3","7","5","6","5","1") = "6"
    & skf21("6","2","3","7","5","6","6","1") = "6"
    & skf21("6","2","3","7","5","6","7","1") = "6"
    & skf21("6","2","3","7","5","7","1","1") = "6"
    & skf21("6","2","3","7","5","7","2","1") = "6"
    & skf21("6","2","3","7","5","7","3","1") = "6"
    & skf21("6","2","3","7","5","7","4","1") = "6"
    & skf21("6","2","3","7","5","7","5","1") = "6"
    & skf21("6","2","3","7","5","7","6","1") = "6"
    & skf21("6","2","3","7","5","7","7","1") = "6"
    & skf21("6","2","3","7","6","1","1","1") = "6"
    & skf21("6","2","3","7","6","1","2","1") = "6"
    & skf21("6","2","3","7","6","1","3","1") = "6"
    & skf21("6","2","3","7","6","1","4","1") = "6"
    & skf21("6","2","3","7","6","1","5","1") = "6"
    & skf21("6","2","3","7","6","1","6","1") = "6"
    & skf21("6","2","3","7","6","1","7","1") = "6"
    & skf21("6","2","3","7","6","2","1","1") = "6"
    & skf21("6","2","3","7","6","2","2","1") = "6"
    & skf21("6","2","3","7","6","2","3","1") = "6"
    & skf21("6","2","3","7","6","2","4","1") = "6"
    & skf21("6","2","3","7","6","2","5","1") = "6"
    & skf21("6","2","3","7","6","2","6","1") = "6"
    & skf21("6","2","3","7","6","2","7","1") = "6"
    & skf21("6","2","3","7","6","3","1","1") = "6"
    & skf21("6","2","3","7","6","3","2","1") = "6"
    & skf21("6","2","3","7","6","3","3","1") = "6"
    & skf21("6","2","3","7","6","3","4","1") = "6"
    & skf21("6","2","3","7","6","3","5","1") = "6"
    & skf21("6","2","3","7","6","3","6","1") = "6"
    & skf21("6","2","3","7","6","3","7","1") = "6"
    & skf21("6","2","3","7","6","4","1","1") = "6"
    & skf21("6","2","3","7","6","4","2","1") = "6"
    & skf21("6","2","3","7","6","4","3","1") = "6"
    & skf21("6","2","3","7","6","4","4","1") = "6"
    & skf21("6","2","3","7","6","4","5","1") = "6"
    & skf21("6","2","3","7","6","4","6","1") = "6"
    & skf21("6","2","3","7","6","4","7","1") = "6"
    & skf21("6","2","3","7","6","5","1","1") = "6"
    & skf21("6","2","3","7","6","5","2","1") = "6"
    & skf21("6","2","3","7","6","5","3","1") = "6"
    & skf21("6","2","3","7","6","5","4","1") = "6"
    & skf21("6","2","3","7","6","5","5","1") = "6"
    & skf21("6","2","3","7","6","5","6","1") = "6"
    & skf21("6","2","3","7","6","5","7","1") = "6"
    & skf21("6","2","3","7","6","6","1","1") = "6"
    & skf21("6","2","3","7","6","6","2","1") = "6"
    & skf21("6","2","3","7","6","6","3","1") = "6"
    & skf21("6","2","3","7","6","6","4","1") = "6"
    & skf21("6","2","3","7","6","6","5","1") = "6"
    & skf21("6","2","3","7","6","6","6","1") = "6"
    & skf21("6","2","3","7","6","6","7","1") = "6"
    & skf21("6","2","3","7","6","7","1","1") = "6"
    & skf21("6","2","3","7","6","7","2","1") = "6"
    & skf21("6","2","3","7","6","7","3","1") = "6"
    & skf21("6","2","3","7","6","7","4","1") = "6"
    & skf21("6","2","3","7","6","7","5","1") = "6"
    & skf21("6","2","3","7","6","7","6","1") = "6"
    & skf21("6","2","3","7","6","7","7","1") = "6"
    & skf21("6","2","3","7","7","1","1","1") = "6"
    & skf21("6","2","3","7","7","1","2","1") = "6"
    & skf21("6","2","3","7","7","1","3","1") = "6"
    & skf21("6","2","3","7","7","1","4","1") = "6"
    & skf21("6","2","3","7","7","1","5","1") = "6"
    & skf21("6","2","3","7","7","1","6","1") = "6"
    & skf21("6","2","3","7","7","1","7","1") = "6"
    & skf21("6","2","3","7","7","2","1","1") = "6"
    & skf21("6","2","3","7","7","2","2","1") = "6"
    & skf21("6","2","3","7","7","2","3","1") = "6"
    & skf21("6","2","3","7","7","2","4","1") = "6"
    & skf21("6","2","3","7","7","2","5","1") = "6"
    & skf21("6","2","3","7","7","2","6","1") = "6"
    & skf21("6","2","3","7","7","2","7","1") = "6"
    & skf21("6","2","3","7","7","3","1","1") = "6"
    & skf21("6","2","3","7","7","3","2","1") = "6"
    & skf21("6","2","3","7","7","3","3","1") = "6"
    & skf21("6","2","3","7","7","3","4","1") = "6"
    & skf21("6","2","3","7","7","3","5","1") = "6"
    & skf21("6","2","3","7","7","3","6","1") = "6"
    & skf21("6","2","3","7","7","3","7","1") = "6"
    & skf21("6","2","3","7","7","4","1","1") = "6"
    & skf21("6","2","3","7","7","4","2","1") = "6"
    & skf21("6","2","3","7","7","4","3","1") = "6"
    & skf21("6","2","3","7","7","4","4","1") = "6"
    & skf21("6","2","3","7","7","4","5","1") = "6"
    & skf21("6","2","3","7","7","4","6","1") = "6"
    & skf21("6","2","3","7","7","4","7","1") = "6"
    & skf21("6","2","3","7","7","5","1","1") = "6"
    & skf21("6","2","3","7","7","5","2","1") = "6"
    & skf21("6","2","3","7","7","5","3","1") = "6"
    & skf21("6","2","3","7","7","5","4","1") = "6"
    & skf21("6","2","3","7","7","5","5","1") = "6"
    & skf21("6","2","3","7","7","5","6","1") = "6"
    & skf21("6","2","3","7","7","5","7","1") = "6"
    & skf21("6","2","3","7","7","6","1","1") = "6"
    & skf21("6","2","3","7","7","6","2","1") = "6"
    & skf21("6","2","3","7","7","6","3","1") = "6"
    & skf21("6","2","3","7","7","6","4","1") = "6"
    & skf21("6","2","3","7","7","6","5","1") = "6"
    & skf21("6","2","3","7","7","6","6","1") = "6"
    & skf21("6","2","3","7","7","6","7","1") = "6"
    & skf21("6","2","3","7","7","7","1","1") = "6"
    & skf21("6","2","3","7","7","7","2","1") = "6"
    & skf21("6","2","3","7","7","7","3","1") = "6"
    & skf21("6","2","3","7","7","7","4","1") = "6"
    & skf21("6","2","3","7","7","7","5","1") = "6"
    & skf21("6","2","3","7","7","7","6","1") = "6"
    & skf21("6","2","3","7","7","7","7","1") = "6"
    & skf21("6","2","4","1","1","1","1","1") = "5"
    & skf21("6","2","4","1","1","1","2","1") = "5"
    & skf21("6","2","4","1","1","1","3","1") = "5"
    & skf21("6","2","4","1","1","1","4","1") = "5"
    & skf21("6","2","4","1","1","1","5","1") = "5"
    & skf21("6","2","4","1","1","1","6","1") = "5"
    & skf21("6","2","4","1","1","1","7","1") = "6"
    & skf21("6","2","4","1","1","2","1","1") = "5"
    & skf21("6","2","4","1","1","2","2","1") = "5"
    & skf21("6","2","4","1","1","2","3","1") = "5"
    & skf21("6","2","4","1","1","2","4","1") = "5"
    & skf21("6","2","4","1","1","2","5","1") = "5"
    & skf21("6","2","4","1","1","2","6","1") = "5"
    & skf21("6","2","4","1","1","2","7","1") = "6"
    & skf21("6","2","4","1","1","3","1","1") = "5"
    & skf21("6","2","4","1","1","3","2","1") = "5"
    & skf21("6","2","4","1","1","3","3","1") = "5"
    & skf21("6","2","4","1","1","3","4","1") = "5"
    & skf21("6","2","4","1","1","3","5","1") = "5"
    & skf21("6","2","4","1","1","3","6","1") = "5"
    & skf21("6","2","4","1","1","3","7","1") = "6"
    & skf21("6","2","4","1","1","4","1","1") = "5"
    & skf21("6","2","4","1","1","4","2","1") = "5"
    & skf21("6","2","4","1","1","4","3","1") = "5"
    & skf21("6","2","4","1","1","4","4","1") = "5"
    & skf21("6","2","4","1","1","4","5","1") = "5"
    & skf21("6","2","4","1","1","4","6","1") = "5"
    & skf21("6","2","4","1","1","4","7","1") = "6"
    & skf21("6","2","4","1","1","5","1","1") = "5"
    & skf21("6","2","4","1","1","5","2","1") = "5"
    & skf21("6","2","4","1","1","5","3","1") = "5"
    & skf21("6","2","4","1","1","5","4","1") = "5"
    & skf21("6","2","4","1","1","5","5","1") = "5"
    & skf21("6","2","4","1","1","5","6","1") = "5"
    & skf21("6","2","4","1","1","5","7","1") = "6"
    & skf21("6","2","4","1","1","6","1","1") = "5"
    & skf21("6","2","4","1","1","6","2","1") = "5"
    & skf21("6","2","4","1","1","6","3","1") = "5"
    & skf21("6","2","4","1","1","6","4","1") = "5"
    & skf21("6","2","4","1","1","6","5","1") = "5"
    & skf21("6","2","4","1","1","6","6","1") = "5"
    & skf21("6","2","4","1","1","6","7","1") = "6"
    & skf21("6","2","4","1","1","7","1","1") = "6"
    & skf21("6","2","4","1","1","7","2","1") = "6"
    & skf21("6","2","4","1","1","7","3","1") = "6"
    & skf21("6","2","4","1","1","7","4","1") = "6"
    & skf21("6","2","4","1","1","7","5","1") = "6"
    & skf21("6","2","4","1","1","7","6","1") = "6"
    & skf21("6","2","4","1","1","7","7","1") = "6"
    & skf21("6","2","4","1","2","1","1","1") = "5"
    & skf21("6","2","4","1","2","1","2","1") = "5"
    & skf21("6","2","4","1","2","1","3","1") = "5"
    & skf21("6","2","4","1","2","1","4","1") = "5"
    & skf21("6","2","4","1","2","1","5","1") = "5"
    & skf21("6","2","4","1","2","1","6","1") = "5"
    & skf21("6","2","4","1","2","1","7","1") = "6"
    & skf21("6","2","4","1","2","2","1","1") = "5"
    & skf21("6","2","4","1","2","2","2","1") = "5"
    & skf21("6","2","4","1","2","2","3","1") = "5"
    & skf21("6","2","4","1","2","2","4","1") = "5"
    & skf21("6","2","4","1","2","2","5","1") = "5"
    & skf21("6","2","4","1","2","2","6","1") = "5"
    & skf21("6","2","4","1","2","2","7","1") = "6"
    & skf21("6","2","4","1","2","3","1","1") = "5"
    & skf21("6","2","4","1","2","3","2","1") = "5"
    & skf21("6","2","4","1","2","3","3","1") = "5"
    & skf21("6","2","4","1","2","3","4","1") = "5"
    & skf21("6","2","4","1","2","3","5","1") = "5"
    & skf21("6","2","4","1","2","3","6","1") = "5"
    & skf21("6","2","4","1","2","3","7","1") = "6"
    & skf21("6","2","4","1","2","4","1","1") = "5"
    & skf21("6","2","4","1","2","4","2","1") = "5"
    & skf21("6","2","4","1","2","4","3","1") = "5"
    & skf21("6","2","4","1","2","4","4","1") = "5"
    & skf21("6","2","4","1","2","4","5","1") = "5"
    & skf21("6","2","4","1","2","4","6","1") = "5"
    & skf21("6","2","4","1","2","4","7","1") = "6"
    & skf21("6","2","4","1","2","5","1","1") = "5"
    & skf21("6","2","4","1","2","5","2","1") = "5"
    & skf21("6","2","4","1","2","5","3","1") = "5"
    & skf21("6","2","4","1","2","5","4","1") = "5"
    & skf21("6","2","4","1","2","5","5","1") = "5"
    & skf21("6","2","4","1","2","5","6","1") = "5"
    & skf21("6","2","4","1","2","5","7","1") = "6"
    & skf21("6","2","4","1","2","6","1","1") = "5"
    & skf21("6","2","4","1","2","6","2","1") = "5"
    & skf21("6","2","4","1","2","6","3","1") = "5"
    & skf21("6","2","4","1","2","6","4","1") = "5"
    & skf21("6","2","4","1","2","6","5","1") = "5"
    & skf21("6","2","4","1","2","6","6","1") = "5"
    & skf21("6","2","4","1","2","6","7","1") = "6"
    & skf21("6","2","4","1","2","7","1","1") = "6"
    & skf21("6","2","4","1","2","7","2","1") = "6"
    & skf21("6","2","4","1","2","7","3","1") = "6"
    & skf21("6","2","4","1","2","7","4","1") = "6"
    & skf21("6","2","4","1","2","7","5","1") = "6"
    & skf21("6","2","4","1","2","7","6","1") = "6"
    & skf21("6","2","4","1","2","7","7","1") = "6"
    & skf21("6","2","4","1","3","1","1","1") = "5"
    & skf21("6","2","4","1","3","1","2","1") = "5"
    & skf21("6","2","4","1","3","1","3","1") = "5"
    & skf21("6","2","4","1","3","1","4","1") = "5"
    & skf21("6","2","4","1","3","1","5","1") = "5"
    & skf21("6","2","4","1","3","1","6","1") = "5"
    & skf21("6","2","4","1","3","1","7","1") = "6"
    & skf21("6","2","4","1","3","2","1","1") = "5"
    & skf21("6","2","4","1","3","2","2","1") = "5"
    & skf21("6","2","4","1","3","2","3","1") = "5"
    & skf21("6","2","4","1","3","2","4","1") = "5"
    & skf21("6","2","4","1","3","2","5","1") = "5"
    & skf21("6","2","4","1","3","2","6","1") = "5"
    & skf21("6","2","4","1","3","2","7","1") = "6"
    & skf21("6","2","4","1","3","3","1","1") = "5"
    & skf21("6","2","4","1","3","3","2","1") = "5"
    & skf21("6","2","4","1","3","3","3","1") = "5"
    & skf21("6","2","4","1","3","3","4","1") = "5"
    & skf21("6","2","4","1","3","3","5","1") = "5"
    & skf21("6","2","4","1","3","3","6","1") = "5"
    & skf21("6","2","4","1","3","3","7","1") = "6"
    & skf21("6","2","4","1","3","4","1","1") = "5"
    & skf21("6","2","4","1","3","4","2","1") = "5"
    & skf21("6","2","4","1","3","4","3","1") = "5"
    & skf21("6","2","4","1","3","4","4","1") = "5"
    & skf21("6","2","4","1","3","4","5","1") = "5"
    & skf21("6","2","4","1","3","4","6","1") = "5"
    & skf21("6","2","4","1","3","4","7","1") = "6"
    & skf21("6","2","4","1","3","5","1","1") = "5"
    & skf21("6","2","4","1","3","5","2","1") = "5"
    & skf21("6","2","4","1","3","5","3","1") = "5"
    & skf21("6","2","4","1","3","5","4","1") = "5"
    & skf21("6","2","4","1","3","5","5","1") = "5"
    & skf21("6","2","4","1","3","5","6","1") = "5"
    & skf21("6","2","4","1","3","5","7","1") = "6"
    & skf21("6","2","4","1","3","6","1","1") = "5"
    & skf21("6","2","4","1","3","6","2","1") = "5"
    & skf21("6","2","4","1","3","6","3","1") = "5"
    & skf21("6","2","4","1","3","6","4","1") = "5"
    & skf21("6","2","4","1","3","6","5","1") = "5"
    & skf21("6","2","4","1","3","6","6","1") = "5"
    & skf21("6","2","4","1","3","6","7","1") = "6"
    & skf21("6","2","4","1","3","7","1","1") = "6"
    & skf21("6","2","4","1","3","7","2","1") = "6"
    & skf21("6","2","4","1","3","7","3","1") = "6"
    & skf21("6","2","4","1","3","7","4","1") = "6"
    & skf21("6","2","4","1","3","7","5","1") = "6"
    & skf21("6","2","4","1","3","7","6","1") = "6"
    & skf21("6","2","4","1","3","7","7","1") = "6"
    & skf21("6","2","4","1","4","1","1","1") = "5"
    & skf21("6","2","4","1","4","1","2","1") = "5"
    & skf21("6","2","4","1","4","1","3","1") = "5"
    & skf21("6","2","4","1","4","1","4","1") = "5"
    & skf21("6","2","4","1","4","1","5","1") = "5"
    & skf21("6","2","4","1","4","1","6","1") = "5"
    & skf21("6","2","4","1","4","1","7","1") = "6"
    & skf21("6","2","4","1","4","2","1","1") = "5"
    & skf21("6","2","4","1","4","2","2","1") = "5"
    & skf21("6","2","4","1","4","2","3","1") = "5"
    & skf21("6","2","4","1","4","2","4","1") = "5"
    & skf21("6","2","4","1","4","2","5","1") = "5"
    & skf21("6","2","4","1","4","2","6","1") = "5"
    & skf21("6","2","4","1","4","2","7","1") = "6"
    & skf21("6","2","4","1","4","3","1","1") = "5"
    & skf21("6","2","4","1","4","3","2","1") = "5"
    & skf21("6","2","4","1","4","3","3","1") = "5"
    & skf21("6","2","4","1","4","3","4","1") = "5"
    & skf21("6","2","4","1","4","3","5","1") = "5"
    & skf21("6","2","4","1","4","3","6","1") = "5"
    & skf21("6","2","4","1","4","3","7","1") = "6"
    & skf21("6","2","4","1","4","4","1","1") = "5"
    & skf21("6","2","4","1","4","4","2","1") = "5"
    & skf21("6","2","4","1","4","4","3","1") = "5"
    & skf21("6","2","4","1","4","4","4","1") = "5"
    & skf21("6","2","4","1","4","4","5","1") = "5"
    & skf21("6","2","4","1","4","4","6","1") = "5"
    & skf21("6","2","4","1","4","4","7","1") = "6"
    & skf21("6","2","4","1","4","5","1","1") = "5"
    & skf21("6","2","4","1","4","5","2","1") = "5"
    & skf21("6","2","4","1","4","5","3","1") = "5"
    & skf21("6","2","4","1","4","5","4","1") = "5"
    & skf21("6","2","4","1","4","5","5","1") = "5"
    & skf21("6","2","4","1","4","5","6","1") = "5"
    & skf21("6","2","4","1","4","5","7","1") = "6"
    & skf21("6","2","4","1","4","6","1","1") = "5"
    & skf21("6","2","4","1","4","6","2","1") = "5"
    & skf21("6","2","4","1","4","6","3","1") = "5"
    & skf21("6","2","4","1","4","6","4","1") = "5"
    & skf21("6","2","4","1","4","6","5","1") = "5"
    & skf21("6","2","4","1","4","6","6","1") = "5"
    & skf21("6","2","4","1","4","6","7","1") = "6"
    & skf21("6","2","4","1","4","7","1","1") = "6"
    & skf21("6","2","4","1","4","7","2","1") = "6"
    & skf21("6","2","4","1","4","7","3","1") = "6"
    & skf21("6","2","4","1","4","7","4","1") = "6"
    & skf21("6","2","4","1","4","7","5","1") = "6"
    & skf21("6","2","4","1","4","7","6","1") = "6"
    & skf21("6","2","4","1","4","7","7","1") = "6"
    & skf21("6","2","4","1","5","1","1","1") = "5"
    & skf21("6","2","4","1","5","1","2","1") = "5"
    & skf21("6","2","4","1","5","1","3","1") = "5"
    & skf21("6","2","4","1","5","1","4","1") = "5"
    & skf21("6","2","4","1","5","1","5","1") = "5"
    & skf21("6","2","4","1","5","1","6","1") = "5"
    & skf21("6","2","4","1","5","1","7","1") = "6"
    & skf21("6","2","4","1","5","2","1","1") = "5"
    & skf21("6","2","4","1","5","2","2","1") = "5"
    & skf21("6","2","4","1","5","2","3","1") = "5"
    & skf21("6","2","4","1","5","2","4","1") = "5"
    & skf21("6","2","4","1","5","2","5","1") = "5"
    & skf21("6","2","4","1","5","2","6","1") = "5"
    & skf21("6","2","4","1","5","2","7","1") = "6"
    & skf21("6","2","4","1","5","3","1","1") = "5"
    & skf21("6","2","4","1","5","3","2","1") = "5"
    & skf21("6","2","4","1","5","3","3","1") = "5"
    & skf21("6","2","4","1","5","3","4","1") = "5"
    & skf21("6","2","4","1","5","3","5","1") = "5"
    & skf21("6","2","4","1","5","3","6","1") = "5"
    & skf21("6","2","4","1","5","3","7","1") = "6"
    & skf21("6","2","4","1","5","4","1","1") = "5"
    & skf21("6","2","4","1","5","4","2","1") = "5"
    & skf21("6","2","4","1","5","4","3","1") = "5"
    & skf21("6","2","4","1","5","4","4","1") = "5"
    & skf21("6","2","4","1","5","4","5","1") = "5"
    & skf21("6","2","4","1","5","4","6","1") = "5"
    & skf21("6","2","4","1","5","4","7","1") = "6"
    & skf21("6","2","4","1","5","5","1","1") = "5"
    & skf21("6","2","4","1","5","5","2","1") = "5"
    & skf21("6","2","4","1","5","5","3","1") = "5"
    & skf21("6","2","4","1","5","5","4","1") = "5"
    & skf21("6","2","4","1","5","5","5","1") = "5"
    & skf21("6","2","4","1","5","5","6","1") = "5"
    & skf21("6","2","4","1","5","5","7","1") = "6"
    & skf21("6","2","4","1","5","6","1","1") = "5"
    & skf21("6","2","4","1","5","6","2","1") = "5"
    & skf21("6","2","4","1","5","6","3","1") = "5"
    & skf21("6","2","4","1","5","6","4","1") = "5"
    & skf21("6","2","4","1","5","6","5","1") = "5"
    & skf21("6","2","4","1","5","6","6","1") = "5"
    & skf21("6","2","4","1","5","6","7","1") = "6"
    & skf21("6","2","4","1","5","7","1","1") = "6"
    & skf21("6","2","4","1","5","7","2","1") = "6"
    & skf21("6","2","4","1","5","7","3","1") = "6"
    & skf21("6","2","4","1","5","7","4","1") = "6"
    & skf21("6","2","4","1","5","7","5","1") = "6"
    & skf21("6","2","4","1","5","7","6","1") = "6"
    & skf21("6","2","4","1","5","7","7","1") = "6"
    & skf21("6","2","4","1","6","1","1","1") = "5"
    & skf21("6","2","4","1","6","1","2","1") = "5"
    & skf21("6","2","4","1","6","1","3","1") = "5"
    & skf21("6","2","4","1","6","1","4","1") = "5"
    & skf21("6","2","4","1","6","1","5","1") = "5"
    & skf21("6","2","4","1","6","1","6","1") = "5"
    & skf21("6","2","4","1","6","1","7","1") = "6"
    & skf21("6","2","4","1","6","2","1","1") = "5"
    & skf21("6","2","4","1","6","2","2","1") = "5"
    & skf21("6","2","4","1","6","2","3","1") = "5"
    & skf21("6","2","4","1","6","2","4","1") = "5"
    & skf21("6","2","4","1","6","2","5","1") = "5"
    & skf21("6","2","4","1","6","2","6","1") = "5"
    & skf21("6","2","4","1","6","2","7","1") = "6"
    & skf21("6","2","4","1","6","3","1","1") = "5"
    & skf21("6","2","4","1","6","3","2","1") = "5"
    & skf21("6","2","4","1","6","3","3","1") = "5"
    & skf21("6","2","4","1","6","3","4","1") = "5"
    & skf21("6","2","4","1","6","3","5","1") = "5"
    & skf21("6","2","4","1","6","3","6","1") = "5"
    & skf21("6","2","4","1","6","3","7","1") = "6"
    & skf21("6","2","4","1","6","4","1","1") = "5"
    & skf21("6","2","4","1","6","4","2","1") = "5"
    & skf21("6","2","4","1","6","4","3","1") = "5"
    & skf21("6","2","4","1","6","4","4","1") = "5"
    & skf21("6","2","4","1","6","4","5","1") = "5"
    & skf21("6","2","4","1","6","4","6","1") = "5"
    & skf21("6","2","4","1","6","4","7","1") = "6"
    & skf21("6","2","4","1","6","5","1","1") = "5"
    & skf21("6","2","4","1","6","5","2","1") = "5"
    & skf21("6","2","4","1","6","5","3","1") = "5"
    & skf21("6","2","4","1","6","5","4","1") = "5"
    & skf21("6","2","4","1","6","5","5","1") = "5"
    & skf21("6","2","4","1","6","5","6","1") = "5"
    & skf21("6","2","4","1","6","5","7","1") = "6"
    & skf21("6","2","4","1","6","6","1","1") = "5"
    & skf21("6","2","4","1","6","6","2","1") = "5"
    & skf21("6","2","4","1","6","6","3","1") = "5"
    & skf21("6","2","4","1","6","6","4","1") = "5"
    & skf21("6","2","4","1","6","6","5","1") = "5"
    & skf21("6","2","4","1","6","6","6","1") = "5"
    & skf21("6","2","4","1","6","6","7","1") = "6"
    & skf21("6","2","4","1","6","7","1","1") = "6"
    & skf21("6","2","4","1","6","7","2","1") = "6"
    & skf21("6","2","4","1","6","7","3","1") = "6"
    & skf21("6","2","4","1","6","7","4","1") = "6"
    & skf21("6","2","4","1","6","7","5","1") = "6"
    & skf21("6","2","4","1","6","7","6","1") = "6"
    & skf21("6","2","4","1","6","7","7","1") = "6"
    & skf21("6","2","4","1","7","1","1","1") = "6"
    & skf21("6","2","4","1","7","1","2","1") = "6"
    & skf21("6","2","4","1","7","1","3","1") = "6"
    & skf21("6","2","4","1","7","1","4","1") = "6"
    & skf21("6","2","4","1","7","1","5","1") = "6"
    & skf21("6","2","4","1","7","1","6","1") = "6"
    & skf21("6","2","4","1","7","1","7","1") = "6"
    & skf21("6","2","4","1","7","2","1","1") = "6"
    & skf21("6","2","4","1","7","2","2","1") = "6"
    & skf21("6","2","4","1","7","2","3","1") = "6"
    & skf21("6","2","4","1","7","2","4","1") = "6"
    & skf21("6","2","4","1","7","2","5","1") = "6"
    & skf21("6","2","4","1","7","2","6","1") = "6"
    & skf21("6","2","4","1","7","2","7","1") = "6"
    & skf21("6","2","4","1","7","3","1","1") = "6"
    & skf21("6","2","4","1","7","3","2","1") = "6"
    & skf21("6","2","4","1","7","3","3","1") = "6"
    & skf21("6","2","4","1","7","3","4","1") = "6"
    & skf21("6","2","4","1","7","3","5","1") = "6"
    & skf21("6","2","4","1","7","3","6","1") = "6"
    & skf21("6","2","4","1","7","3","7","1") = "6"
    & skf21("6","2","4","1","7","4","1","1") = "6"
    & skf21("6","2","4","1","7","4","2","1") = "6"
    & skf21("6","2","4","1","7","4","3","1") = "6"
    & skf21("6","2","4","1","7","4","4","1") = "6"
    & skf21("6","2","4","1","7","4","5","1") = "6"
    & skf21("6","2","4","1","7","4","6","1") = "6"
    & skf21("6","2","4","1","7","4","7","1") = "6"
    & skf21("6","2","4","1","7","5","1","1") = "6"
    & skf21("6","2","4","1","7","5","2","1") = "6"
    & skf21("6","2","4","1","7","5","3","1") = "6"
    & skf21("6","2","4","1","7","5","4","1") = "6"
    & skf21("6","2","4","1","7","5","5","1") = "6"
    & skf21("6","2","4","1","7","5","6","1") = "6"
    & skf21("6","2","4","1","7","5","7","1") = "6"
    & skf21("6","2","4","1","7","6","1","1") = "6"
    & skf21("6","2","4","1","7","6","2","1") = "6"
    & skf21("6","2","4","1","7","6","3","1") = "6"
    & skf21("6","2","4","1","7","6","4","1") = "6"
    & skf21("6","2","4","1","7","6","5","1") = "6"
    & skf21("6","2","4","1","7","6","6","1") = "6"
    & skf21("6","2","4","1","7","6","7","1") = "6"
    & skf21("6","2","4","1","7","7","1","1") = "6"
    & skf21("6","2","4","1","7","7","2","1") = "6"
    & skf21("6","2","4","1","7","7","3","1") = "6"
    & skf21("6","2","4","1","7","7","4","1") = "6"
    & skf21("6","2","4","1","7","7","5","1") = "6"
    & skf21("6","2","4","1","7","7","6","1") = "6"
    & skf21("6","2","4","1","7","7","7","1") = "6"
    & skf21("6","2","4","2","1","1","1","1") = "5"
    & skf21("6","2","4","2","1","1","2","1") = "5"
    & skf21("6","2","4","2","1","1","3","1") = "5"
    & skf21("6","2","4","2","1","1","4","1") = "5"
    & skf21("6","2","4","2","1","1","5","1") = "5"
    & skf21("6","2","4","2","1","1","6","1") = "5"
    & skf21("6","2","4","2","1","1","7","1") = "6"
    & skf21("6","2","4","2","1","2","1","1") = "5"
    & skf21("6","2","4","2","1","2","2","1") = "5"
    & skf21("6","2","4","2","1","2","3","1") = "5"
    & skf21("6","2","4","2","1","2","4","1") = "5"
    & skf21("6","2","4","2","1","2","5","1") = "5"
    & skf21("6","2","4","2","1","2","6","1") = "5"
    & skf21("6","2","4","2","1","2","7","1") = "6"
    & skf21("6","2","4","2","1","3","1","1") = "5"
    & skf21("6","2","4","2","1","3","2","1") = "5"
    & skf21("6","2","4","2","1","3","3","1") = "5"
    & skf21("6","2","4","2","1","3","4","1") = "5"
    & skf21("6","2","4","2","1","3","5","1") = "5"
    & skf21("6","2","4","2","1","3","6","1") = "5"
    & skf21("6","2","4","2","1","3","7","1") = "6"
    & skf21("6","2","4","2","1","4","1","1") = "5"
    & skf21("6","2","4","2","1","4","2","1") = "5"
    & skf21("6","2","4","2","1","4","3","1") = "5"
    & skf21("6","2","4","2","1","4","4","1") = "5"
    & skf21("6","2","4","2","1","4","5","1") = "5"
    & skf21("6","2","4","2","1","4","6","1") = "5"
    & skf21("6","2","4","2","1","4","7","1") = "6"
    & skf21("6","2","4","2","1","5","1","1") = "5"
    & skf21("6","2","4","2","1","5","2","1") = "5"
    & skf21("6","2","4","2","1","5","3","1") = "5"
    & skf21("6","2","4","2","1","5","4","1") = "5"
    & skf21("6","2","4","2","1","5","5","1") = "5"
    & skf21("6","2","4","2","1","5","6","1") = "5"
    & skf21("6","2","4","2","1","5","7","1") = "6"
    & skf21("6","2","4","2","1","6","1","1") = "5"
    & skf21("6","2","4","2","1","6","2","1") = "5"
    & skf21("6","2","4","2","1","6","3","1") = "5"
    & skf21("6","2","4","2","1","6","4","1") = "5"
    & skf21("6","2","4","2","1","6","5","1") = "5"
    & skf21("6","2","4","2","1","6","6","1") = "5"
    & skf21("6","2","4","2","1","6","7","1") = "6"
    & skf21("6","2","4","2","1","7","1","1") = "6"
    & skf21("6","2","4","2","1","7","2","1") = "6"
    & skf21("6","2","4","2","1","7","3","1") = "6"
    & skf21("6","2","4","2","1","7","4","1") = "6"
    & skf21("6","2","4","2","1","7","5","1") = "6"
    & skf21("6","2","4","2","1","7","6","1") = "6"
    & skf21("6","2","4","2","1","7","7","1") = "6"
    & skf21("6","2","4","2","2","1","1","1") = "5"
    & skf21("6","2","4","2","2","1","2","1") = "5"
    & skf21("6","2","4","2","2","1","3","1") = "5"
    & skf21("6","2","4","2","2","1","4","1") = "5"
    & skf21("6","2","4","2","2","1","5","1") = "5"
    & skf21("6","2","4","2","2","1","6","1") = "5"
    & skf21("6","2","4","2","2","1","7","1") = "6"
    & skf21("6","2","4","2","2","2","1","1") = "5"
    & skf21("6","2","4","2","2","2","2","1") = "5"
    & skf21("6","2","4","2","2","2","3","1") = "5"
    & skf21("6","2","4","2","2","2","4","1") = "5"
    & skf21("6","2","4","2","2","2","5","1") = "5"
    & skf21("6","2","4","2","2","2","6","1") = "5"
    & skf21("6","2","4","2","2","2","7","1") = "6"
    & skf21("6","2","4","2","2","3","1","1") = "5"
    & skf21("6","2","4","2","2","3","2","1") = "5"
    & skf21("6","2","4","2","2","3","3","1") = "5"
    & skf21("6","2","4","2","2","3","4","1") = "5"
    & skf21("6","2","4","2","2","3","5","1") = "5"
    & skf21("6","2","4","2","2","3","6","1") = "5"
    & skf21("6","2","4","2","2","3","7","1") = "6"
    & skf21("6","2","4","2","2","4","1","1") = "5"
    & skf21("6","2","4","2","2","4","2","1") = "5"
    & skf21("6","2","4","2","2","4","3","1") = "5"
    & skf21("6","2","4","2","2","4","4","1") = "5"
    & skf21("6","2","4","2","2","4","5","1") = "5"
    & skf21("6","2","4","2","2","4","6","1") = "5"
    & skf21("6","2","4","2","2","4","7","1") = "6"
    & skf21("6","2","4","2","2","5","1","1") = "5"
    & skf21("6","2","4","2","2","5","2","1") = "5"
    & skf21("6","2","4","2","2","5","3","1") = "5"
    & skf21("6","2","4","2","2","5","4","1") = "5"
    & skf21("6","2","4","2","2","5","5","1") = "5"
    & skf21("6","2","4","2","2","5","6","1") = "5"
    & skf21("6","2","4","2","2","5","7","1") = "6"
    & skf21("6","2","4","2","2","6","1","1") = "5"
    & skf21("6","2","4","2","2","6","2","1") = "5"
    & skf21("6","2","4","2","2","6","3","1") = "5"
    & skf21("6","2","4","2","2","6","4","1") = "5"
    & skf21("6","2","4","2","2","6","5","1") = "5"
    & skf21("6","2","4","2","2","6","6","1") = "5"
    & skf21("6","2","4","2","2","6","7","1") = "6"
    & skf21("6","2","4","2","2","7","1","1") = "6"
    & skf21("6","2","4","2","2","7","2","1") = "6"
    & skf21("6","2","4","2","2","7","3","1") = "6"
    & skf21("6","2","4","2","2","7","4","1") = "6"
    & skf21("6","2","4","2","2","7","5","1") = "6"
    & skf21("6","2","4","2","2","7","6","1") = "6"
    & skf21("6","2","4","2","2","7","7","1") = "6"
    & skf21("6","2","4","2","3","1","1","1") = "5"
    & skf21("6","2","4","2","3","1","2","1") = "5"
    & skf21("6","2","4","2","3","1","3","1") = "5"
    & skf21("6","2","4","2","3","1","4","1") = "5"
    & skf21("6","2","4","2","3","1","5","1") = "5"
    & skf21("6","2","4","2","3","1","6","1") = "5"
    & skf21("6","2","4","2","3","1","7","1") = "6"
    & skf21("6","2","4","2","3","2","1","1") = "5"
    & skf21("6","2","4","2","3","2","2","1") = "5"
    & skf21("6","2","4","2","3","2","3","1") = "5"
    & skf21("6","2","4","2","3","2","4","1") = "5"
    & skf21("6","2","4","2","3","2","5","1") = "5"
    & skf21("6","2","4","2","3","2","6","1") = "5"
    & skf21("6","2","4","2","3","2","7","1") = "6"
    & skf21("6","2","4","2","3","3","1","1") = "5"
    & skf21("6","2","4","2","3","3","2","1") = "5"
    & skf21("6","2","4","2","3","3","3","1") = "5"
    & skf21("6","2","4","2","3","3","4","1") = "5"
    & skf21("6","2","4","2","3","3","5","1") = "5"
    & skf21("6","2","4","2","3","3","6","1") = "5"
    & skf21("6","2","4","2","3","3","7","1") = "6"
    & skf21("6","2","4","2","3","4","1","1") = "5"
    & skf21("6","2","4","2","3","4","2","1") = "5"
    & skf21("6","2","4","2","3","4","3","1") = "5"
    & skf21("6","2","4","2","3","4","4","1") = "5"
    & skf21("6","2","4","2","3","4","5","1") = "5"
    & skf21("6","2","4","2","3","4","6","1") = "5"
    & skf21("6","2","4","2","3","4","7","1") = "6"
    & skf21("6","2","4","2","3","5","1","1") = "5"
    & skf21("6","2","4","2","3","5","2","1") = "5"
    & skf21("6","2","4","2","3","5","3","1") = "5"
    & skf21("6","2","4","2","3","5","4","1") = "5"
    & skf21("6","2","4","2","3","5","5","1") = "5"
    & skf21("6","2","4","2","3","5","6","1") = "5"
    & skf21("6","2","4","2","3","5","7","1") = "6"
    & skf21("6","2","4","2","3","6","1","1") = "5"
    & skf21("6","2","4","2","3","6","2","1") = "5"
    & skf21("6","2","4","2","3","6","3","1") = "5"
    & skf21("6","2","4","2","3","6","4","1") = "5"
    & skf21("6","2","4","2","3","6","5","1") = "5"
    & skf21("6","2","4","2","3","6","6","1") = "5"
    & skf21("6","2","4","2","3","6","7","1") = "6"
    & skf21("6","2","4","2","3","7","1","1") = "6"
    & skf21("6","2","4","2","3","7","2","1") = "6"
    & skf21("6","2","4","2","3","7","3","1") = "6"
    & skf21("6","2","4","2","3","7","4","1") = "6"
    & skf21("6","2","4","2","3","7","5","1") = "6"
    & skf21("6","2","4","2","3","7","6","1") = "6"
    & skf21("6","2","4","2","3","7","7","1") = "6"
    & skf21("6","2","4","2","4","1","1","1") = "5"
    & skf21("6","2","4","2","4","1","2","1") = "5"
    & skf21("6","2","4","2","4","1","3","1") = "5"
    & skf21("6","2","4","2","4","1","4","1") = "5"
    & skf21("6","2","4","2","4","1","5","1") = "5"
    & skf21("6","2","4","2","4","1","6","1") = "5"
    & skf21("6","2","4","2","4","1","7","1") = "6"
    & skf21("6","2","4","2","4","2","1","1") = "5"
    & skf21("6","2","4","2","4","2","2","1") = "5"
    & skf21("6","2","4","2","4","2","3","1") = "5"
    & skf21("6","2","4","2","4","2","4","1") = "5"
    & skf21("6","2","4","2","4","2","5","1") = "5"
    & skf21("6","2","4","2","4","2","6","1") = "5"
    & skf21("6","2","4","2","4","2","7","1") = "6"
    & skf21("6","2","4","2","4","3","1","1") = "5"
    & skf21("6","2","4","2","4","3","2","1") = "5"
    & skf21("6","2","4","2","4","3","3","1") = "5"
    & skf21("6","2","4","2","4","3","4","1") = "5"
    & skf21("6","2","4","2","4","3","5","1") = "5"
    & skf21("6","2","4","2","4","3","6","1") = "5"
    & skf21("6","2","4","2","4","3","7","1") = "6"
    & skf21("6","2","4","2","4","4","1","1") = "5"
    & skf21("6","2","4","2","4","4","2","1") = "5"
    & skf21("6","2","4","2","4","4","3","1") = "5"
    & skf21("6","2","4","2","4","4","4","1") = "5"
    & skf21("6","2","4","2","4","4","5","1") = "5"
    & skf21("6","2","4","2","4","4","6","1") = "5"
    & skf21("6","2","4","2","4","4","7","1") = "6"
    & skf21("6","2","4","2","4","5","1","1") = "5"
    & skf21("6","2","4","2","4","5","2","1") = "5"
    & skf21("6","2","4","2","4","5","3","1") = "5"
    & skf21("6","2","4","2","4","5","4","1") = "5"
    & skf21("6","2","4","2","4","5","5","1") = "5"
    & skf21("6","2","4","2","4","5","6","1") = "5"
    & skf21("6","2","4","2","4","5","7","1") = "6"
    & skf21("6","2","4","2","4","6","1","1") = "5"
    & skf21("6","2","4","2","4","6","2","1") = "5"
    & skf21("6","2","4","2","4","6","3","1") = "5"
    & skf21("6","2","4","2","4","6","4","1") = "5"
    & skf21("6","2","4","2","4","6","5","1") = "5"
    & skf21("6","2","4","2","4","6","6","1") = "5"
    & skf21("6","2","4","2","4","6","7","1") = "6"
    & skf21("6","2","4","2","4","7","1","1") = "6"
    & skf21("6","2","4","2","4","7","2","1") = "6"
    & skf21("6","2","4","2","4","7","3","1") = "6"
    & skf21("6","2","4","2","4","7","4","1") = "6"
    & skf21("6","2","4","2","4","7","5","1") = "6"
    & skf21("6","2","4","2","4","7","6","1") = "6"
    & skf21("6","2","4","2","4","7","7","1") = "6"
    & skf21("6","2","4","2","5","1","1","1") = "5"
    & skf21("6","2","4","2","5","1","2","1") = "5"
    & skf21("6","2","4","2","5","1","3","1") = "5"
    & skf21("6","2","4","2","5","1","4","1") = "5"
    & skf21("6","2","4","2","5","1","5","1") = "5"
    & skf21("6","2","4","2","5","1","6","1") = "5"
    & skf21("6","2","4","2","5","1","7","1") = "6"
    & skf21("6","2","4","2","5","2","1","1") = "5"
    & skf21("6","2","4","2","5","2","2","1") = "5"
    & skf21("6","2","4","2","5","2","3","1") = "5"
    & skf21("6","2","4","2","5","2","4","1") = "5"
    & skf21("6","2","4","2","5","2","5","1") = "5"
    & skf21("6","2","4","2","5","2","6","1") = "5"
    & skf21("6","2","4","2","5","2","7","1") = "6"
    & skf21("6","2","4","2","5","3","1","1") = "5"
    & skf21("6","2","4","2","5","3","2","1") = "5"
    & skf21("6","2","4","2","5","3","3","1") = "5"
    & skf21("6","2","4","2","5","3","4","1") = "5"
    & skf21("6","2","4","2","5","3","5","1") = "5"
    & skf21("6","2","4","2","5","3","6","1") = "5"
    & skf21("6","2","4","2","5","3","7","1") = "6"
    & skf21("6","2","4","2","5","4","1","1") = "5"
    & skf21("6","2","4","2","5","4","2","1") = "5"
    & skf21("6","2","4","2","5","4","3","1") = "5"
    & skf21("6","2","4","2","5","4","4","1") = "5"
    & skf21("6","2","4","2","5","4","5","1") = "5"
    & skf21("6","2","4","2","5","4","6","1") = "5"
    & skf21("6","2","4","2","5","4","7","1") = "6"
    & skf21("6","2","4","2","5","5","1","1") = "5"
    & skf21("6","2","4","2","5","5","2","1") = "5"
    & skf21("6","2","4","2","5","5","3","1") = "5"
    & skf21("6","2","4","2","5","5","4","1") = "5"
    & skf21("6","2","4","2","5","5","5","1") = "5"
    & skf21("6","2","4","2","5","5","6","1") = "5"
    & skf21("6","2","4","2","5","5","7","1") = "6"
    & skf21("6","2","4","2","5","6","1","1") = "5"
    & skf21("6","2","4","2","5","6","2","1") = "5"
    & skf21("6","2","4","2","5","6","3","1") = "5"
    & skf21("6","2","4","2","5","6","4","1") = "5"
    & skf21("6","2","4","2","5","6","5","1") = "5"
    & skf21("6","2","4","2","5","6","6","1") = "5"
    & skf21("6","2","4","2","5","6","7","1") = "6"
    & skf21("6","2","4","2","5","7","1","1") = "6"
    & skf21("6","2","4","2","5","7","2","1") = "6"
    & skf21("6","2","4","2","5","7","3","1") = "6"
    & skf21("6","2","4","2","5","7","4","1") = "6"
    & skf21("6","2","4","2","5","7","5","1") = "6"
    & skf21("6","2","4","2","5","7","6","1") = "6"
    & skf21("6","2","4","2","5","7","7","1") = "6"
    & skf21("6","2","4","2","6","1","1","1") = "5"
    & skf21("6","2","4","2","6","1","2","1") = "5"
    & skf21("6","2","4","2","6","1","3","1") = "5"
    & skf21("6","2","4","2","6","1","4","1") = "5"
    & skf21("6","2","4","2","6","1","5","1") = "5"
    & skf21("6","2","4","2","6","1","6","1") = "5"
    & skf21("6","2","4","2","6","1","7","1") = "6"
    & skf21("6","2","4","2","6","2","1","1") = "5"
    & skf21("6","2","4","2","6","2","2","1") = "5"
    & skf21("6","2","4","2","6","2","3","1") = "5"
    & skf21("6","2","4","2","6","2","4","1") = "5"
    & skf21("6","2","4","2","6","2","5","1") = "5"
    & skf21("6","2","4","2","6","2","6","1") = "5"
    & skf21("6","2","4","2","6","2","7","1") = "6"
    & skf21("6","2","4","2","6","3","1","1") = "5"
    & skf21("6","2","4","2","6","3","2","1") = "5"
    & skf21("6","2","4","2","6","3","3","1") = "5"
    & skf21("6","2","4","2","6","3","4","1") = "5"
    & skf21("6","2","4","2","6","3","5","1") = "5"
    & skf21("6","2","4","2","6","3","6","1") = "5"
    & skf21("6","2","4","2","6","3","7","1") = "6"
    & skf21("6","2","4","2","6","4","1","1") = "5"
    & skf21("6","2","4","2","6","4","2","1") = "5"
    & skf21("6","2","4","2","6","4","3","1") = "5"
    & skf21("6","2","4","2","6","4","4","1") = "5"
    & skf21("6","2","4","2","6","4","5","1") = "5"
    & skf21("6","2","4","2","6","4","6","1") = "5"
    & skf21("6","2","4","2","6","4","7","1") = "6"
    & skf21("6","2","4","2","6","5","1","1") = "5"
    & skf21("6","2","4","2","6","5","2","1") = "5"
    & skf21("6","2","4","2","6","5","3","1") = "5"
    & skf21("6","2","4","2","6","5","4","1") = "5"
    & skf21("6","2","4","2","6","5","5","1") = "5"
    & skf21("6","2","4","2","6","5","6","1") = "5"
    & skf21("6","2","4","2","6","5","7","1") = "6"
    & skf21("6","2","4","2","6","6","1","1") = "5"
    & skf21("6","2","4","2","6","6","2","1") = "5"
    & skf21("6","2","4","2","6","6","3","1") = "5"
    & skf21("6","2","4","2","6","6","4","1") = "5"
    & skf21("6","2","4","2","6","6","5","1") = "5"
    & skf21("6","2","4","2","6","6","6","1") = "5"
    & skf21("6","2","4","2","6","6","7","1") = "6"
    & skf21("6","2","4","2","6","7","1","1") = "6"
    & skf21("6","2","4","2","6","7","2","1") = "6"
    & skf21("6","2","4","2","6","7","3","1") = "6"
    & skf21("6","2","4","2","6","7","4","1") = "6"
    & skf21("6","2","4","2","6","7","5","1") = "6"
    & skf21("6","2","4","2","6","7","6","1") = "6"
    & skf21("6","2","4","2","6","7","7","1") = "6"
    & skf21("6","2","4","2","7","1","1","1") = "6"
    & skf21("6","2","4","2","7","1","2","1") = "6"
    & skf21("6","2","4","2","7","1","3","1") = "6"
    & skf21("6","2","4","2","7","1","4","1") = "6"
    & skf21("6","2","4","2","7","1","5","1") = "6"
    & skf21("6","2","4","2","7","1","6","1") = "6"
    & skf21("6","2","4","2","7","1","7","1") = "6"
    & skf21("6","2","4","2","7","2","1","1") = "6"
    & skf21("6","2","4","2","7","2","2","1") = "6"
    & skf21("6","2","4","2","7","2","3","1") = "6"
    & skf21("6","2","4","2","7","2","4","1") = "6"
    & skf21("6","2","4","2","7","2","5","1") = "6"
    & skf21("6","2","4","2","7","2","6","1") = "6"
    & skf21("6","2","4","2","7","2","7","1") = "6"
    & skf21("6","2","4","2","7","3","1","1") = "6"
    & skf21("6","2","4","2","7","3","2","1") = "6"
    & skf21("6","2","4","2","7","3","3","1") = "6"
    & skf21("6","2","4","2","7","3","4","1") = "6"
    & skf21("6","2","4","2","7","3","5","1") = "6"
    & skf21("6","2","4","2","7","3","6","1") = "6"
    & skf21("6","2","4","2","7","3","7","1") = "6"
    & skf21("6","2","4","2","7","4","1","1") = "6"
    & skf21("6","2","4","2","7","4","2","1") = "6"
    & skf21("6","2","4","2","7","4","3","1") = "6"
    & skf21("6","2","4","2","7","4","4","1") = "6"
    & skf21("6","2","4","2","7","4","5","1") = "6"
    & skf21("6","2","4","2","7","4","6","1") = "6"
    & skf21("6","2","4","2","7","4","7","1") = "6"
    & skf21("6","2","4","2","7","5","1","1") = "6"
    & skf21("6","2","4","2","7","5","2","1") = "6"
    & skf21("6","2","4","2","7","5","3","1") = "6"
    & skf21("6","2","4","2","7","5","4","1") = "6"
    & skf21("6","2","4","2","7","5","5","1") = "6"
    & skf21("6","2","4","2","7","5","6","1") = "6"
    & skf21("6","2","4","2","7","5","7","1") = "6"
    & skf21("6","2","4","2","7","6","1","1") = "6"
    & skf21("6","2","4","2","7","6","2","1") = "6"
    & skf21("6","2","4","2","7","6","3","1") = "6"
    & skf21("6","2","4","2","7","6","4","1") = "6"
    & skf21("6","2","4","2","7","6","5","1") = "6"
    & skf21("6","2","4","2","7","6","6","1") = "6"
    & skf21("6","2","4","2","7","6","7","1") = "6"
    & skf21("6","2","4","2","7","7","1","1") = "6"
    & skf21("6","2","4","2","7","7","2","1") = "6"
    & skf21("6","2","4","2","7","7","3","1") = "6"
    & skf21("6","2","4","2","7","7","4","1") = "6"
    & skf21("6","2","4","2","7","7","5","1") = "6"
    & skf21("6","2","4","2","7","7","6","1") = "6"
    & skf21("6","2","4","2","7","7","7","1") = "6"
    & skf21("6","2","4","3","1","1","1","1") = "5"
    & skf21("6","2","4","3","1","1","2","1") = "5"
    & skf21("6","2","4","3","1","1","3","1") = "5"
    & skf21("6","2","4","3","1","1","4","1") = "5"
    & skf21("6","2","4","3","1","1","5","1") = "5"
    & skf21("6","2","4","3","1","1","6","1") = "5"
    & skf21("6","2","4","3","1","1","7","1") = "6"
    & skf21("6","2","4","3","1","2","1","1") = "5"
    & skf21("6","2","4","3","1","2","2","1") = "5"
    & skf21("6","2","4","3","1","2","3","1") = "5"
    & skf21("6","2","4","3","1","2","4","1") = "5"
    & skf21("6","2","4","3","1","2","5","1") = "5"
    & skf21("6","2","4","3","1","2","6","1") = "5"
    & skf21("6","2","4","3","1","2","7","1") = "6"
    & skf21("6","2","4","3","1","3","1","1") = "5"
    & skf21("6","2","4","3","1","3","2","1") = "5"
    & skf21("6","2","4","3","1","3","3","1") = "5"
    & skf21("6","2","4","3","1","3","4","1") = "5"
    & skf21("6","2","4","3","1","3","5","1") = "5"
    & skf21("6","2","4","3","1","3","6","1") = "5"
    & skf21("6","2","4","3","1","3","7","1") = "6"
    & skf21("6","2","4","3","1","4","1","1") = "5"
    & skf21("6","2","4","3","1","4","2","1") = "5"
    & skf21("6","2","4","3","1","4","3","1") = "5"
    & skf21("6","2","4","3","1","4","4","1") = "5"
    & skf21("6","2","4","3","1","4","5","1") = "5"
    & skf21("6","2","4","3","1","4","6","1") = "5"
    & skf21("6","2","4","3","1","4","7","1") = "6"
    & skf21("6","2","4","3","1","5","1","1") = "5"
    & skf21("6","2","4","3","1","5","2","1") = "5"
    & skf21("6","2","4","3","1","5","3","1") = "5"
    & skf21("6","2","4","3","1","5","4","1") = "5"
    & skf21("6","2","4","3","1","5","5","1") = "5"
    & skf21("6","2","4","3","1","5","6","1") = "5"
    & skf21("6","2","4","3","1","5","7","1") = "6"
    & skf21("6","2","4","3","1","6","1","1") = "5"
    & skf21("6","2","4","3","1","6","2","1") = "5"
    & skf21("6","2","4","3","1","6","3","1") = "5"
    & skf21("6","2","4","3","1","6","4","1") = "5"
    & skf21("6","2","4","3","1","6","5","1") = "5"
    & skf21("6","2","4","3","1","6","6","1") = "5"
    & skf21("6","2","4","3","1","6","7","1") = "6"
    & skf21("6","2","4","3","1","7","1","1") = "6"
    & skf21("6","2","4","3","1","7","2","1") = "6"
    & skf21("6","2","4","3","1","7","3","1") = "6"
    & skf21("6","2","4","3","1","7","4","1") = "6"
    & skf21("6","2","4","3","1","7","5","1") = "6"
    & skf21("6","2","4","3","1","7","6","1") = "6"
    & skf21("6","2","4","3","1","7","7","1") = "6"
    & skf21("6","2","4","3","2","1","1","1") = "5"
    & skf21("6","2","4","3","2","1","2","1") = "5"
    & skf21("6","2","4","3","2","1","3","1") = "5"
    & skf21("6","2","4","3","2","1","4","1") = "5"
    & skf21("6","2","4","3","2","1","5","1") = "5"
    & skf21("6","2","4","3","2","1","6","1") = "5"
    & skf21("6","2","4","3","2","1","7","1") = "6"
    & skf21("6","2","4","3","2","2","1","1") = "5"
    & skf21("6","2","4","3","2","2","2","1") = "5"
    & skf21("6","2","4","3","2","2","3","1") = "5"
    & skf21("6","2","4","3","2","2","4","1") = "5"
    & skf21("6","2","4","3","2","2","5","1") = "5"
    & skf21("6","2","4","3","2","2","6","1") = "5"
    & skf21("6","2","4","3","2","2","7","1") = "6"
    & skf21("6","2","4","3","2","3","1","1") = "5"
    & skf21("6","2","4","3","2","3","2","1") = "5"
    & skf21("6","2","4","3","2","3","3","1") = "5"
    & skf21("6","2","4","3","2","3","4","1") = "5"
    & skf21("6","2","4","3","2","3","5","1") = "5"
    & skf21("6","2","4","3","2","3","6","1") = "5"
    & skf21("6","2","4","3","2","3","7","1") = "6"
    & skf21("6","2","4","3","2","4","1","1") = "5"
    & skf21("6","2","4","3","2","4","2","1") = "5"
    & skf21("6","2","4","3","2","4","3","1") = "5"
    & skf21("6","2","4","3","2","4","4","1") = "5"
    & skf21("6","2","4","3","2","4","5","1") = "5"
    & skf21("6","2","4","3","2","4","6","1") = "5"
    & skf21("6","2","4","3","2","4","7","1") = "6"
    & skf21("6","2","4","3","2","5","1","1") = "5"
    & skf21("6","2","4","3","2","5","2","1") = "5"
    & skf21("6","2","4","3","2","5","3","1") = "5"
    & skf21("6","2","4","3","2","5","4","1") = "5"
    & skf21("6","2","4","3","2","5","5","1") = "5"
    & skf21("6","2","4","3","2","5","6","1") = "5"
    & skf21("6","2","4","3","2","5","7","1") = "6"
    & skf21("6","2","4","3","2","6","1","1") = "5"
    & skf21("6","2","4","3","2","6","2","1") = "5"
    & skf21("6","2","4","3","2","6","3","1") = "5"
    & skf21("6","2","4","3","2","6","4","1") = "5"
    & skf21("6","2","4","3","2","6","5","1") = "5"
    & skf21("6","2","4","3","2","6","6","1") = "5"
    & skf21("6","2","4","3","2","6","7","1") = "6"
    & skf21("6","2","4","3","2","7","1","1") = "6"
    & skf21("6","2","4","3","2","7","2","1") = "6"
    & skf21("6","2","4","3","2","7","3","1") = "6"
    & skf21("6","2","4","3","2","7","4","1") = "6"
    & skf21("6","2","4","3","2","7","5","1") = "6"
    & skf21("6","2","4","3","2","7","6","1") = "6"
    & skf21("6","2","4","3","2","7","7","1") = "6"
    & skf21("6","2","4","3","3","1","1","1") = "5"
    & skf21("6","2","4","3","3","1","2","1") = "5"
    & skf21("6","2","4","3","3","1","3","1") = "5"
    & skf21("6","2","4","3","3","1","4","1") = "5"
    & skf21("6","2","4","3","3","1","5","1") = "5"
    & skf21("6","2","4","3","3","1","6","1") = "5"
    & skf21("6","2","4","3","3","1","7","1") = "6"
    & skf21("6","2","4","3","3","2","1","1") = "5"
    & skf21("6","2","4","3","3","2","2","1") = "5"
    & skf21("6","2","4","3","3","2","3","1") = "5"
    & skf21("6","2","4","3","3","2","4","1") = "5"
    & skf21("6","2","4","3","3","2","5","1") = "5"
    & skf21("6","2","4","3","3","2","6","1") = "5"
    & skf21("6","2","4","3","3","2","7","1") = "6"
    & skf21("6","2","4","3","3","3","1","1") = "5"
    & skf21("6","2","4","3","3","3","2","1") = "5"
    & skf21("6","2","4","3","3","3","3","1") = "5"
    & skf21("6","2","4","3","3","3","4","1") = "5"
    & skf21("6","2","4","3","3","3","5","1") = "5"
    & skf21("6","2","4","3","3","3","6","1") = "5"
    & skf21("6","2","4","3","3","3","7","1") = "6"
    & skf21("6","2","4","3","3","4","1","1") = "5"
    & skf21("6","2","4","3","3","4","2","1") = "5"
    & skf21("6","2","4","3","3","4","3","1") = "5"
    & skf21("6","2","4","3","3","4","4","1") = "5"
    & skf21("6","2","4","3","3","4","5","1") = "5"
    & skf21("6","2","4","3","3","4","6","1") = "5"
    & skf21("6","2","4","3","3","4","7","1") = "6"
    & skf21("6","2","4","3","3","5","1","1") = "5"
    & skf21("6","2","4","3","3","5","2","1") = "5"
    & skf21("6","2","4","3","3","5","3","1") = "5"
    & skf21("6","2","4","3","3","5","4","1") = "5"
    & skf21("6","2","4","3","3","5","5","1") = "5"
    & skf21("6","2","4","3","3","5","6","1") = "5"
    & skf21("6","2","4","3","3","5","7","1") = "6"
    & skf21("6","2","4","3","3","6","1","1") = "5"
    & skf21("6","2","4","3","3","6","2","1") = "5"
    & skf21("6","2","4","3","3","6","3","1") = "5"
    & skf21("6","2","4","3","3","6","4","1") = "5"
    & skf21("6","2","4","3","3","6","5","1") = "5"
    & skf21("6","2","4","3","3","6","6","1") = "5"
    & skf21("6","2","4","3","3","6","7","1") = "6"
    & skf21("6","2","4","3","3","7","1","1") = "6"
    & skf21("6","2","4","3","3","7","2","1") = "6"
    & skf21("6","2","4","3","3","7","3","1") = "6"
    & skf21("6","2","4","3","3","7","4","1") = "6"
    & skf21("6","2","4","3","3","7","5","1") = "6"
    & skf21("6","2","4","3","3","7","6","1") = "6"
    & skf21("6","2","4","3","3","7","7","1") = "6"
    & skf21("6","2","4","3","4","1","1","1") = "5"
    & skf21("6","2","4","3","4","1","2","1") = "5"
    & skf21("6","2","4","3","4","1","3","1") = "5"
    & skf21("6","2","4","3","4","1","4","1") = "5"
    & skf21("6","2","4","3","4","1","5","1") = "5"
    & skf21("6","2","4","3","4","1","6","1") = "5"
    & skf21("6","2","4","3","4","1","7","1") = "6"
    & skf21("6","2","4","3","4","2","1","1") = "5"
    & skf21("6","2","4","3","4","2","2","1") = "5"
    & skf21("6","2","4","3","4","2","3","1") = "5"
    & skf21("6","2","4","3","4","2","4","1") = "5"
    & skf21("6","2","4","3","4","2","5","1") = "5"
    & skf21("6","2","4","3","4","2","6","1") = "5"
    & skf21("6","2","4","3","4","2","7","1") = "6"
    & skf21("6","2","4","3","4","3","1","1") = "5"
    & skf21("6","2","4","3","4","3","2","1") = "5"
    & skf21("6","2","4","3","4","3","3","1") = "5"
    & skf21("6","2","4","3","4","3","4","1") = "5"
    & skf21("6","2","4","3","4","3","5","1") = "5"
    & skf21("6","2","4","3","4","3","6","1") = "5"
    & skf21("6","2","4","3","4","3","7","1") = "6"
    & skf21("6","2","4","3","4","4","1","1") = "5"
    & skf21("6","2","4","3","4","4","2","1") = "5"
    & skf21("6","2","4","3","4","4","3","1") = "5"
    & skf21("6","2","4","3","4","4","4","1") = "5"
    & skf21("6","2","4","3","4","4","5","1") = "5"
    & skf21("6","2","4","3","4","4","6","1") = "5"
    & skf21("6","2","4","3","4","4","7","1") = "6"
    & skf21("6","2","4","3","4","5","1","1") = "5"
    & skf21("6","2","4","3","4","5","2","1") = "5"
    & skf21("6","2","4","3","4","5","3","1") = "5"
    & skf21("6","2","4","3","4","5","4","1") = "5"
    & skf21("6","2","4","3","4","5","5","1") = "5"
    & skf21("6","2","4","3","4","5","6","1") = "5"
    & skf21("6","2","4","3","4","5","7","1") = "6"
    & skf21("6","2","4","3","4","6","1","1") = "5"
    & skf21("6","2","4","3","4","6","2","1") = "5"
    & skf21("6","2","4","3","4","6","3","1") = "5"
    & skf21("6","2","4","3","4","6","4","1") = "5"
    & skf21("6","2","4","3","4","6","5","1") = "5"
    & skf21("6","2","4","3","4","6","6","1") = "5"
    & skf21("6","2","4","3","4","6","7","1") = "6"
    & skf21("6","2","4","3","4","7","1","1") = "6"
    & skf21("6","2","4","3","4","7","2","1") = "6"
    & skf21("6","2","4","3","4","7","3","1") = "6"
    & skf21("6","2","4","3","4","7","4","1") = "6"
    & skf21("6","2","4","3","4","7","5","1") = "6"
    & skf21("6","2","4","3","4","7","6","1") = "6"
    & skf21("6","2","4","3","4","7","7","1") = "6"
    & skf21("6","2","4","3","5","1","1","1") = "5"
    & skf21("6","2","4","3","5","1","2","1") = "5"
    & skf21("6","2","4","3","5","1","3","1") = "5"
    & skf21("6","2","4","3","5","1","4","1") = "5"
    & skf21("6","2","4","3","5","1","5","1") = "5"
    & skf21("6","2","4","3","5","1","6","1") = "5"
    & skf21("6","2","4","3","5","1","7","1") = "6"
    & skf21("6","2","4","3","5","2","1","1") = "5"
    & skf21("6","2","4","3","5","2","2","1") = "5"
    & skf21("6","2","4","3","5","2","3","1") = "5"
    & skf21("6","2","4","3","5","2","4","1") = "5"
    & skf21("6","2","4","3","5","2","5","1") = "5"
    & skf21("6","2","4","3","5","2","6","1") = "5"
    & skf21("6","2","4","3","5","2","7","1") = "6"
    & skf21("6","2","4","3","5","3","1","1") = "5"
    & skf21("6","2","4","3","5","3","2","1") = "5"
    & skf21("6","2","4","3","5","3","3","1") = "5"
    & skf21("6","2","4","3","5","3","4","1") = "5"
    & skf21("6","2","4","3","5","3","5","1") = "5"
    & skf21("6","2","4","3","5","3","6","1") = "5"
    & skf21("6","2","4","3","5","3","7","1") = "6"
    & skf21("6","2","4","3","5","4","1","1") = "5"
    & skf21("6","2","4","3","5","4","2","1") = "5"
    & skf21("6","2","4","3","5","4","3","1") = "5"
    & skf21("6","2","4","3","5","4","4","1") = "5"
    & skf21("6","2","4","3","5","4","5","1") = "5"
    & skf21("6","2","4","3","5","4","6","1") = "5"
    & skf21("6","2","4","3","5","4","7","1") = "6"
    & skf21("6","2","4","3","5","5","1","1") = "5"
    & skf21("6","2","4","3","5","5","2","1") = "5"
    & skf21("6","2","4","3","5","5","3","1") = "5"
    & skf21("6","2","4","3","5","5","4","1") = "5"
    & skf21("6","2","4","3","5","5","5","1") = "5"
    & skf21("6","2","4","3","5","5","6","1") = "5"
    & skf21("6","2","4","3","5","5","7","1") = "6"
    & skf21("6","2","4","3","5","6","1","1") = "5"
    & skf21("6","2","4","3","5","6","2","1") = "5"
    & skf21("6","2","4","3","5","6","3","1") = "5"
    & skf21("6","2","4","3","5","6","4","1") = "5"
    & skf21("6","2","4","3","5","6","5","1") = "5"
    & skf21("6","2","4","3","5","6","6","1") = "5"
    & skf21("6","2","4","3","5","6","7","1") = "6"
    & skf21("6","2","4","3","5","7","1","1") = "6"
    & skf21("6","2","4","3","5","7","2","1") = "6"
    & skf21("6","2","4","3","5","7","3","1") = "6"
    & skf21("6","2","4","3","5","7","4","1") = "6"
    & skf21("6","2","4","3","5","7","5","1") = "6"
    & skf21("6","2","4","3","5","7","6","1") = "6"
    & skf21("6","2","4","3","5","7","7","1") = "6"
    & skf21("6","2","4","3","6","1","1","1") = "5"
    & skf21("6","2","4","3","6","1","2","1") = "5"
    & skf21("6","2","4","3","6","1","3","1") = "5"
    & skf21("6","2","4","3","6","1","4","1") = "5"
    & skf21("6","2","4","3","6","1","5","1") = "5"
    & skf21("6","2","4","3","6","1","6","1") = "5"
    & skf21("6","2","4","3","6","1","7","1") = "6"
    & skf21("6","2","4","3","6","2","1","1") = "5"
    & skf21("6","2","4","3","6","2","2","1") = "5"
    & skf21("6","2","4","3","6","2","3","1") = "5"
    & skf21("6","2","4","3","6","2","4","1") = "5"
    & skf21("6","2","4","3","6","2","5","1") = "5"
    & skf21("6","2","4","3","6","2","6","1") = "5"
    & skf21("6","2","4","3","6","2","7","1") = "6"
    & skf21("6","2","4","3","6","3","1","1") = "5"
    & skf21("6","2","4","3","6","3","2","1") = "5"
    & skf21("6","2","4","3","6","3","3","1") = "5"
    & skf21("6","2","4","3","6","3","4","1") = "5"
    & skf21("6","2","4","3","6","3","5","1") = "5"
    & skf21("6","2","4","3","6","3","6","1") = "5"
    & skf21("6","2","4","3","6","3","7","1") = "6"
    & skf21("6","2","4","3","6","4","1","1") = "5"
    & skf21("6","2","4","3","6","4","2","1") = "5"
    & skf21("6","2","4","3","6","4","3","1") = "5"
    & skf21("6","2","4","3","6","4","4","1") = "5"
    & skf21("6","2","4","3","6","4","5","1") = "5"
    & skf21("6","2","4","3","6","4","6","1") = "5"
    & skf21("6","2","4","3","6","4","7","1") = "6"
    & skf21("6","2","4","3","6","5","1","1") = "5"
    & skf21("6","2","4","3","6","5","2","1") = "5"
    & skf21("6","2","4","3","6","5","3","1") = "5"
    & skf21("6","2","4","3","6","5","4","1") = "5"
    & skf21("6","2","4","3","6","5","5","1") = "5"
    & skf21("6","2","4","3","6","5","6","1") = "5"
    & skf21("6","2","4","3","6","5","7","1") = "6"
    & skf21("6","2","4","3","6","6","1","1") = "5"
    & skf21("6","2","4","3","6","6","2","1") = "5"
    & skf21("6","2","4","3","6","6","3","1") = "5"
    & skf21("6","2","4","3","6","6","4","1") = "5"
    & skf21("6","2","4","3","6","6","5","1") = "5"
    & skf21("6","2","4","3","6","6","6","1") = "5"
    & skf21("6","2","4","3","6","6","7","1") = "6"
    & skf21("6","2","4","3","6","7","1","1") = "6"
    & skf21("6","2","4","3","6","7","2","1") = "6"
    & skf21("6","2","4","3","6","7","3","1") = "6"
    & skf21("6","2","4","3","6","7","4","1") = "6"
    & skf21("6","2","4","3","6","7","5","1") = "6"
    & skf21("6","2","4","3","6","7","6","1") = "6"
    & skf21("6","2","4","3","6","7","7","1") = "6"
    & skf21("6","2","4","3","7","1","1","1") = "6"
    & skf21("6","2","4","3","7","1","2","1") = "6"
    & skf21("6","2","4","3","7","1","3","1") = "6"
    & skf21("6","2","4","3","7","1","4","1") = "6"
    & skf21("6","2","4","3","7","1","5","1") = "6"
    & skf21("6","2","4","3","7","1","6","1") = "6"
    & skf21("6","2","4","3","7","1","7","1") = "6"
    & skf21("6","2","4","3","7","2","1","1") = "6"
    & skf21("6","2","4","3","7","2","2","1") = "6"
    & skf21("6","2","4","3","7","2","3","1") = "6"
    & skf21("6","2","4","3","7","2","4","1") = "6"
    & skf21("6","2","4","3","7","2","5","1") = "6"
    & skf21("6","2","4","3","7","2","6","1") = "6"
    & skf21("6","2","4","3","7","2","7","1") = "6"
    & skf21("6","2","4","3","7","3","1","1") = "6"
    & skf21("6","2","4","3","7","3","2","1") = "6"
    & skf21("6","2","4","3","7","3","3","1") = "6"
    & skf21("6","2","4","3","7","3","4","1") = "6"
    & skf21("6","2","4","3","7","3","5","1") = "6"
    & skf21("6","2","4","3","7","3","6","1") = "6"
    & skf21("6","2","4","3","7","3","7","1") = "6"
    & skf21("6","2","4","3","7","4","1","1") = "6"
    & skf21("6","2","4","3","7","4","2","1") = "6"
    & skf21("6","2","4","3","7","4","3","1") = "6"
    & skf21("6","2","4","3","7","4","4","1") = "6"
    & skf21("6","2","4","3","7","4","5","1") = "6"
    & skf21("6","2","4","3","7","4","6","1") = "6"
    & skf21("6","2","4","3","7","4","7","1") = "6"
    & skf21("6","2","4","3","7","5","1","1") = "6"
    & skf21("6","2","4","3","7","5","2","1") = "6"
    & skf21("6","2","4","3","7","5","3","1") = "6"
    & skf21("6","2","4","3","7","5","4","1") = "6"
    & skf21("6","2","4","3","7","5","5","1") = "6"
    & skf21("6","2","4","3","7","5","6","1") = "6"
    & skf21("6","2","4","3","7","5","7","1") = "6"
    & skf21("6","2","4","3","7","6","1","1") = "6"
    & skf21("6","2","4","3","7","6","2","1") = "6"
    & skf21("6","2","4","3","7","6","3","1") = "6"
    & skf21("6","2","4","3","7","6","4","1") = "6"
    & skf21("6","2","4","3","7","6","5","1") = "6"
    & skf21("6","2","4","3","7","6","6","1") = "6"
    & skf21("6","2","4","3","7","6","7","1") = "6"
    & skf21("6","2","4","3","7","7","1","1") = "6"
    & skf21("6","2","4","3","7","7","2","1") = "6"
    & skf21("6","2","4","3","7","7","3","1") = "6"
    & skf21("6","2","4","3","7","7","4","1") = "6"
    & skf21("6","2","4","3","7","7","5","1") = "6"
    & skf21("6","2","4","3","7","7","6","1") = "6"
    & skf21("6","2","4","3","7","7","7","1") = "6"
    & skf21("6","2","4","4","1","1","1","1") = "5"
    & skf21("6","2","4","4","1","1","2","1") = "5"
    & skf21("6","2","4","4","1","1","3","1") = "5"
    & skf21("6","2","4","4","1","1","4","1") = "5"
    & skf21("6","2","4","4","1","1","5","1") = "5"
    & skf21("6","2","4","4","1","1","6","1") = "5"
    & skf21("6","2","4","4","1","1","7","1") = "6"
    & skf21("6","2","4","4","1","2","1","1") = "5"
    & skf21("6","2","4","4","1","2","2","1") = "5"
    & skf21("6","2","4","4","1","2","3","1") = "5"
    & skf21("6","2","4","4","1","2","4","1") = "5"
    & skf21("6","2","4","4","1","2","5","1") = "5"
    & skf21("6","2","4","4","1","2","6","1") = "5"
    & skf21("6","2","4","4","1","2","7","1") = "6"
    & skf21("6","2","4","4","1","3","1","1") = "5"
    & skf21("6","2","4","4","1","3","2","1") = "5"
    & skf21("6","2","4","4","1","3","3","1") = "5"
    & skf21("6","2","4","4","1","3","4","1") = "5"
    & skf21("6","2","4","4","1","3","5","1") = "5"
    & skf21("6","2","4","4","1","3","6","1") = "5"
    & skf21("6","2","4","4","1","3","7","1") = "6"
    & skf21("6","2","4","4","1","4","1","1") = "5"
    & skf21("6","2","4","4","1","4","2","1") = "5"
    & skf21("6","2","4","4","1","4","3","1") = "5"
    & skf21("6","2","4","4","1","4","4","1") = "5"
    & skf21("6","2","4","4","1","4","5","1") = "5"
    & skf21("6","2","4","4","1","4","6","1") = "5"
    & skf21("6","2","4","4","1","4","7","1") = "6"
    & skf21("6","2","4","4","1","5","1","1") = "5"
    & skf21("6","2","4","4","1","5","2","1") = "5"
    & skf21("6","2","4","4","1","5","3","1") = "5"
    & skf21("6","2","4","4","1","5","4","1") = "5"
    & skf21("6","2","4","4","1","5","5","1") = "5"
    & skf21("6","2","4","4","1","5","6","1") = "5"
    & skf21("6","2","4","4","1","5","7","1") = "6"
    & skf21("6","2","4","4","1","6","1","1") = "5"
    & skf21("6","2","4","4","1","6","2","1") = "5"
    & skf21("6","2","4","4","1","6","3","1") = "5"
    & skf21("6","2","4","4","1","6","4","1") = "5"
    & skf21("6","2","4","4","1","6","5","1") = "5"
    & skf21("6","2","4","4","1","6","6","1") = "5"
    & skf21("6","2","4","4","1","6","7","1") = "6"
    & skf21("6","2","4","4","1","7","1","1") = "6"
    & skf21("6","2","4","4","1","7","2","1") = "6"
    & skf21("6","2","4","4","1","7","3","1") = "6"
    & skf21("6","2","4","4","1","7","4","1") = "6"
    & skf21("6","2","4","4","1","7","5","1") = "6"
    & skf21("6","2","4","4","1","7","6","1") = "6"
    & skf21("6","2","4","4","1","7","7","1") = "6"
    & skf21("6","2","4","4","2","1","1","1") = "5"
    & skf21("6","2","4","4","2","1","2","1") = "5"
    & skf21("6","2","4","4","2","1","3","1") = "5"
    & skf21("6","2","4","4","2","1","4","1") = "5"
    & skf21("6","2","4","4","2","1","5","1") = "5"
    & skf21("6","2","4","4","2","1","6","1") = "5"
    & skf21("6","2","4","4","2","1","7","1") = "6"
    & skf21("6","2","4","4","2","2","1","1") = "5"
    & skf21("6","2","4","4","2","2","2","1") = "5"
    & skf21("6","2","4","4","2","2","3","1") = "5"
    & skf21("6","2","4","4","2","2","4","1") = "5"
    & skf21("6","2","4","4","2","2","5","1") = "5"
    & skf21("6","2","4","4","2","2","6","1") = "5"
    & skf21("6","2","4","4","2","2","7","1") = "6"
    & skf21("6","2","4","4","2","3","1","1") = "5"
    & skf21("6","2","4","4","2","3","2","1") = "5"
    & skf21("6","2","4","4","2","3","3","1") = "5"
    & skf21("6","2","4","4","2","3","4","1") = "5"
    & skf21("6","2","4","4","2","3","5","1") = "5"
    & skf21("6","2","4","4","2","3","6","1") = "5"
    & skf21("6","2","4","4","2","3","7","1") = "6"
    & skf21("6","2","4","4","2","4","1","1") = "5"
    & skf21("6","2","4","4","2","4","2","1") = "5"
    & skf21("6","2","4","4","2","4","3","1") = "5"
    & skf21("6","2","4","4","2","4","4","1") = "5"
    & skf21("6","2","4","4","2","4","5","1") = "5"
    & skf21("6","2","4","4","2","4","6","1") = "5"
    & skf21("6","2","4","4","2","4","7","1") = "6"
    & skf21("6","2","4","4","2","5","1","1") = "5"
    & skf21("6","2","4","4","2","5","2","1") = "5"
    & skf21("6","2","4","4","2","5","3","1") = "5"
    & skf21("6","2","4","4","2","5","4","1") = "5"
    & skf21("6","2","4","4","2","5","5","1") = "5"
    & skf21("6","2","4","4","2","5","6","1") = "5"
    & skf21("6","2","4","4","2","5","7","1") = "6"
    & skf21("6","2","4","4","2","6","1","1") = "5"
    & skf21("6","2","4","4","2","6","2","1") = "5"
    & skf21("6","2","4","4","2","6","3","1") = "5"
    & skf21("6","2","4","4","2","6","4","1") = "5"
    & skf21("6","2","4","4","2","6","5","1") = "5"
    & skf21("6","2","4","4","2","6","6","1") = "5"
    & skf21("6","2","4","4","2","6","7","1") = "6"
    & skf21("6","2","4","4","2","7","1","1") = "6"
    & skf21("6","2","4","4","2","7","2","1") = "6"
    & skf21("6","2","4","4","2","7","3","1") = "6"
    & skf21("6","2","4","4","2","7","4","1") = "6"
    & skf21("6","2","4","4","2","7","5","1") = "6"
    & skf21("6","2","4","4","2","7","6","1") = "6"
    & skf21("6","2","4","4","2","7","7","1") = "6"
    & skf21("6","2","4","4","3","1","1","1") = "5"
    & skf21("6","2","4","4","3","1","2","1") = "5"
    & skf21("6","2","4","4","3","1","3","1") = "5"
    & skf21("6","2","4","4","3","1","4","1") = "5"
    & skf21("6","2","4","4","3","1","5","1") = "5"
    & skf21("6","2","4","4","3","1","6","1") = "5"
    & skf21("6","2","4","4","3","1","7","1") = "6"
    & skf21("6","2","4","4","3","2","1","1") = "5"
    & skf21("6","2","4","4","3","2","2","1") = "5"
    & skf21("6","2","4","4","3","2","3","1") = "5"
    & skf21("6","2","4","4","3","2","4","1") = "5"
    & skf21("6","2","4","4","3","2","5","1") = "5"
    & skf21("6","2","4","4","3","2","6","1") = "5"
    & skf21("6","2","4","4","3","2","7","1") = "6"
    & skf21("6","2","4","4","3","3","1","1") = "5"
    & skf21("6","2","4","4","3","3","2","1") = "5"
    & skf21("6","2","4","4","3","3","3","1") = "5"
    & skf21("6","2","4","4","3","3","4","1") = "5"
    & skf21("6","2","4","4","3","3","5","1") = "5"
    & skf21("6","2","4","4","3","3","6","1") = "5"
    & skf21("6","2","4","4","3","3","7","1") = "6"
    & skf21("6","2","4","4","3","4","1","1") = "5"
    & skf21("6","2","4","4","3","4","2","1") = "5"
    & skf21("6","2","4","4","3","4","3","1") = "5"
    & skf21("6","2","4","4","3","4","4","1") = "5"
    & skf21("6","2","4","4","3","4","5","1") = "5"
    & skf21("6","2","4","4","3","4","6","1") = "5"
    & skf21("6","2","4","4","3","4","7","1") = "6"
    & skf21("6","2","4","4","3","5","1","1") = "5"
    & skf21("6","2","4","4","3","5","2","1") = "5"
    & skf21("6","2","4","4","3","5","3","1") = "5"
    & skf21("6","2","4","4","3","5","4","1") = "5"
    & skf21("6","2","4","4","3","5","5","1") = "5"
    & skf21("6","2","4","4","3","5","6","1") = "5"
    & skf21("6","2","4","4","3","5","7","1") = "6"
    & skf21("6","2","4","4","3","6","1","1") = "5"
    & skf21("6","2","4","4","3","6","2","1") = "5"
    & skf21("6","2","4","4","3","6","3","1") = "5"
    & skf21("6","2","4","4","3","6","4","1") = "5"
    & skf21("6","2","4","4","3","6","5","1") = "5"
    & skf21("6","2","4","4","3","6","6","1") = "5"
    & skf21("6","2","4","4","3","6","7","1") = "6"
    & skf21("6","2","4","4","3","7","1","1") = "6"
    & skf21("6","2","4","4","3","7","2","1") = "6"
    & skf21("6","2","4","4","3","7","3","1") = "6"
    & skf21("6","2","4","4","3","7","4","1") = "6"
    & skf21("6","2","4","4","3","7","5","1") = "6"
    & skf21("6","2","4","4","3","7","6","1") = "6"
    & skf21("6","2","4","4","3","7","7","1") = "6"
    & skf21("6","2","4","4","4","1","1","1") = "5"
    & skf21("6","2","4","4","4","1","2","1") = "5"
    & skf21("6","2","4","4","4","1","3","1") = "5"
    & skf21("6","2","4","4","4","1","4","1") = "5"
    & skf21("6","2","4","4","4","1","5","1") = "5"
    & skf21("6","2","4","4","4","1","6","1") = "5"
    & skf21("6","2","4","4","4","1","7","1") = "6"
    & skf21("6","2","4","4","4","2","1","1") = "5"
    & skf21("6","2","4","4","4","2","2","1") = "5"
    & skf21("6","2","4","4","4","2","3","1") = "5"
    & skf21("6","2","4","4","4","2","4","1") = "5"
    & skf21("6","2","4","4","4","2","5","1") = "5"
    & skf21("6","2","4","4","4","2","6","1") = "5"
    & skf21("6","2","4","4","4","2","7","1") = "6"
    & skf21("6","2","4","4","4","3","1","1") = "5"
    & skf21("6","2","4","4","4","3","2","1") = "5"
    & skf21("6","2","4","4","4","3","3","1") = "5"
    & skf21("6","2","4","4","4","3","4","1") = "5"
    & skf21("6","2","4","4","4","3","5","1") = "5"
    & skf21("6","2","4","4","4","3","6","1") = "5"
    & skf21("6","2","4","4","4","3","7","1") = "6"
    & skf21("6","2","4","4","4","4","1","1") = "5"
    & skf21("6","2","4","4","4","4","2","1") = "5"
    & skf21("6","2","4","4","4","4","3","1") = "5"
    & skf21("6","2","4","4","4","4","4","1") = "5"
    & skf21("6","2","4","4","4","4","5","1") = "5"
    & skf21("6","2","4","4","4","4","6","1") = "5"
    & skf21("6","2","4","4","4","4","7","1") = "6"
    & skf21("6","2","4","4","4","5","1","1") = "5"
    & skf21("6","2","4","4","4","5","2","1") = "5"
    & skf21("6","2","4","4","4","5","3","1") = "5"
    & skf21("6","2","4","4","4","5","4","1") = "5"
    & skf21("6","2","4","4","4","5","5","1") = "5"
    & skf21("6","2","4","4","4","5","6","1") = "5"
    & skf21("6","2","4","4","4","5","7","1") = "6"
    & skf21("6","2","4","4","4","6","1","1") = "5"
    & skf21("6","2","4","4","4","6","2","1") = "5"
    & skf21("6","2","4","4","4","6","3","1") = "5"
    & skf21("6","2","4","4","4","6","4","1") = "5"
    & skf21("6","2","4","4","4","6","5","1") = "5"
    & skf21("6","2","4","4","4","6","6","1") = "5"
    & skf21("6","2","4","4","4","6","7","1") = "6"
    & skf21("6","2","4","4","4","7","1","1") = "6"
    & skf21("6","2","4","4","4","7","2","1") = "6"
    & skf21("6","2","4","4","4","7","3","1") = "6"
    & skf21("6","2","4","4","4","7","4","1") = "6"
    & skf21("6","2","4","4","4","7","5","1") = "6"
    & skf21("6","2","4","4","4","7","6","1") = "6"
    & skf21("6","2","4","4","4","7","7","1") = "6"
    & skf21("6","2","4","4","5","1","1","1") = "5"
    & skf21("6","2","4","4","5","1","2","1") = "5"
    & skf21("6","2","4","4","5","1","3","1") = "5"
    & skf21("6","2","4","4","5","1","4","1") = "5"
    & skf21("6","2","4","4","5","1","5","1") = "5"
    & skf21("6","2","4","4","5","1","6","1") = "5"
    & skf21("6","2","4","4","5","1","7","1") = "6"
    & skf21("6","2","4","4","5","2","1","1") = "5"
    & skf21("6","2","4","4","5","2","2","1") = "5"
    & skf21("6","2","4","4","5","2","3","1") = "5"
    & skf21("6","2","4","4","5","2","4","1") = "5"
    & skf21("6","2","4","4","5","2","5","1") = "5"
    & skf21("6","2","4","4","5","2","6","1") = "5"
    & skf21("6","2","4","4","5","2","7","1") = "6"
    & skf21("6","2","4","4","5","3","1","1") = "5"
    & skf21("6","2","4","4","5","3","2","1") = "5"
    & skf21("6","2","4","4","5","3","3","1") = "5"
    & skf21("6","2","4","4","5","3","4","1") = "5"
    & skf21("6","2","4","4","5","3","5","1") = "5"
    & skf21("6","2","4","4","5","3","6","1") = "5"
    & skf21("6","2","4","4","5","3","7","1") = "6"
    & skf21("6","2","4","4","5","4","1","1") = "5"
    & skf21("6","2","4","4","5","4","2","1") = "5"
    & skf21("6","2","4","4","5","4","3","1") = "5"
    & skf21("6","2","4","4","5","4","4","1") = "5"
    & skf21("6","2","4","4","5","4","5","1") = "5"
    & skf21("6","2","4","4","5","4","6","1") = "5"
    & skf21("6","2","4","4","5","4","7","1") = "6"
    & skf21("6","2","4","4","5","5","1","1") = "5"
    & skf21("6","2","4","4","5","5","2","1") = "5"
    & skf21("6","2","4","4","5","5","3","1") = "5"
    & skf21("6","2","4","4","5","5","4","1") = "5"
    & skf21("6","2","4","4","5","5","5","1") = "5"
    & skf21("6","2","4","4","5","5","6","1") = "5"
    & skf21("6","2","4","4","5","5","7","1") = "6"
    & skf21("6","2","4","4","5","6","1","1") = "5"
    & skf21("6","2","4","4","5","6","2","1") = "5"
    & skf21("6","2","4","4","5","6","3","1") = "5"
    & skf21("6","2","4","4","5","6","4","1") = "5"
    & skf21("6","2","4","4","5","6","5","1") = "5"
    & skf21("6","2","4","4","5","6","6","1") = "5"
    & skf21("6","2","4","4","5","6","7","1") = "6"
    & skf21("6","2","4","4","5","7","1","1") = "6"
    & skf21("6","2","4","4","5","7","2","1") = "6"
    & skf21("6","2","4","4","5","7","3","1") = "6"
    & skf21("6","2","4","4","5","7","4","1") = "6"
    & skf21("6","2","4","4","5","7","5","1") = "6"
    & skf21("6","2","4","4","5","7","6","1") = "6"
    & skf21("6","2","4","4","5","7","7","1") = "6"
    & skf21("6","2","4","4","6","1","1","1") = "5"
    & skf21("6","2","4","4","6","1","2","1") = "5"
    & skf21("6","2","4","4","6","1","3","1") = "5"
    & skf21("6","2","4","4","6","1","4","1") = "5"
    & skf21("6","2","4","4","6","1","5","1") = "5"
    & skf21("6","2","4","4","6","1","6","1") = "5"
    & skf21("6","2","4","4","6","1","7","1") = "6"
    & skf21("6","2","4","4","6","2","1","1") = "5"
    & skf21("6","2","4","4","6","2","2","1") = "5"
    & skf21("6","2","4","4","6","2","3","1") = "5"
    & skf21("6","2","4","4","6","2","4","1") = "5"
    & skf21("6","2","4","4","6","2","5","1") = "5"
    & skf21("6","2","4","4","6","2","6","1") = "5"
    & skf21("6","2","4","4","6","2","7","1") = "6"
    & skf21("6","2","4","4","6","3","1","1") = "5"
    & skf21("6","2","4","4","6","3","2","1") = "5"
    & skf21("6","2","4","4","6","3","3","1") = "5"
    & skf21("6","2","4","4","6","3","4","1") = "5"
    & skf21("6","2","4","4","6","3","5","1") = "5"
    & skf21("6","2","4","4","6","3","6","1") = "5"
    & skf21("6","2","4","4","6","3","7","1") = "6"
    & skf21("6","2","4","4","6","4","1","1") = "5"
    & skf21("6","2","4","4","6","4","2","1") = "5"
    & skf21("6","2","4","4","6","4","3","1") = "5"
    & skf21("6","2","4","4","6","4","4","1") = "5"
    & skf21("6","2","4","4","6","4","5","1") = "5"
    & skf21("6","2","4","4","6","4","6","1") = "5"
    & skf21("6","2","4","4","6","4","7","1") = "6"
    & skf21("6","2","4","4","6","5","1","1") = "5"
    & skf21("6","2","4","4","6","5","2","1") = "5"
    & skf21("6","2","4","4","6","5","3","1") = "5"
    & skf21("6","2","4","4","6","5","4","1") = "5"
    & skf21("6","2","4","4","6","5","5","1") = "5"
    & skf21("6","2","4","4","6","5","6","1") = "5"
    & skf21("6","2","4","4","6","5","7","1") = "6"
    & skf21("6","2","4","4","6","6","1","1") = "5"
    & skf21("6","2","4","4","6","6","2","1") = "5"
    & skf21("6","2","4","4","6","6","3","1") = "5"
    & skf21("6","2","4","4","6","6","4","1") = "5"
    & skf21("6","2","4","4","6","6","5","1") = "5"
    & skf21("6","2","4","4","6","6","6","1") = "5"
    & skf21("6","2","4","4","6","6","7","1") = "6"
    & skf21("6","2","4","4","6","7","1","1") = "6"
    & skf21("6","2","4","4","6","7","2","1") = "6"
    & skf21("6","2","4","4","6","7","3","1") = "6"
    & skf21("6","2","4","4","6","7","4","1") = "6"
    & skf21("6","2","4","4","6","7","5","1") = "6"
    & skf21("6","2","4","4","6","7","6","1") = "6"
    & skf21("6","2","4","4","6","7","7","1") = "6"
    & skf21("6","2","4","4","7","1","1","1") = "6"
    & skf21("6","2","4","4","7","1","2","1") = "6"
    & skf21("6","2","4","4","7","1","3","1") = "6"
    & skf21("6","2","4","4","7","1","4","1") = "6"
    & skf21("6","2","4","4","7","1","5","1") = "6"
    & skf21("6","2","4","4","7","1","6","1") = "6"
    & skf21("6","2","4","4","7","1","7","1") = "6"
    & skf21("6","2","4","4","7","2","1","1") = "6"
    & skf21("6","2","4","4","7","2","2","1") = "6"
    & skf21("6","2","4","4","7","2","3","1") = "6"
    & skf21("6","2","4","4","7","2","4","1") = "6"
    & skf21("6","2","4","4","7","2","5","1") = "6"
    & skf21("6","2","4","4","7","2","6","1") = "6"
    & skf21("6","2","4","4","7","2","7","1") = "6"
    & skf21("6","2","4","4","7","3","1","1") = "6"
    & skf21("6","2","4","4","7","3","2","1") = "6"
    & skf21("6","2","4","4","7","3","3","1") = "6"
    & skf21("6","2","4","4","7","3","4","1") = "6"
    & skf21("6","2","4","4","7","3","5","1") = "6"
    & skf21("6","2","4","4","7","3","6","1") = "6"
    & skf21("6","2","4","4","7","3","7","1") = "6"
    & skf21("6","2","4","4","7","4","1","1") = "6"
    & skf21("6","2","4","4","7","4","2","1") = "6"
    & skf21("6","2","4","4","7","4","3","1") = "6"
    & skf21("6","2","4","4","7","4","4","1") = "6"
    & skf21("6","2","4","4","7","4","5","1") = "6"
    & skf21("6","2","4","4","7","4","6","1") = "6"
    & skf21("6","2","4","4","7","4","7","1") = "6"
    & skf21("6","2","4","4","7","5","1","1") = "6"
    & skf21("6","2","4","4","7","5","2","1") = "6"
    & skf21("6","2","4","4","7","5","3","1") = "6"
    & skf21("6","2","4","4","7","5","4","1") = "6"
    & skf21("6","2","4","4","7","5","5","1") = "6"
    & skf21("6","2","4","4","7","5","6","1") = "6"
    & skf21("6","2","4","4","7","5","7","1") = "6"
    & skf21("6","2","4","4","7","6","1","1") = "6"
    & skf21("6","2","4","4","7","6","2","1") = "6"
    & skf21("6","2","4","4","7","6","3","1") = "6"
    & skf21("6","2","4","4","7","6","4","1") = "6"
    & skf21("6","2","4","4","7","6","5","1") = "6"
    & skf21("6","2","4","4","7","6","6","1") = "6"
    & skf21("6","2","4","4","7","6","7","1") = "6"
    & skf21("6","2","4","4","7","7","1","1") = "6"
    & skf21("6","2","4","4","7","7","2","1") = "6"
    & skf21("6","2","4","4","7","7","3","1") = "6"
    & skf21("6","2","4","4","7","7","4","1") = "6"
    & skf21("6","2","4","4","7","7","5","1") = "6"
    & skf21("6","2","4","4","7","7","6","1") = "6"
    & skf21("6","2","4","4","7","7","7","1") = "6"
    & skf21("6","2","4","5","1","1","1","1") = "5"
    & skf21("6","2","4","5","1","1","2","1") = "5"
    & skf21("6","2","4","5","1","1","3","1") = "5"
    & skf21("6","2","4","5","1","1","4","1") = "5"
    & skf21("6","2","4","5","1","1","5","1") = "5"
    & skf21("6","2","4","5","1","1","6","1") = "5"
    & skf21("6","2","4","5","1","1","7","1") = "6"
    & skf21("6","2","4","5","1","2","1","1") = "5"
    & skf21("6","2","4","5","1","2","2","1") = "5"
    & skf21("6","2","4","5","1","2","3","1") = "5"
    & skf21("6","2","4","5","1","2","4","1") = "5"
    & skf21("6","2","4","5","1","2","5","1") = "5"
    & skf21("6","2","4","5","1","2","6","1") = "5"
    & skf21("6","2","4","5","1","2","7","1") = "6"
    & skf21("6","2","4","5","1","3","1","1") = "5"
    & skf21("6","2","4","5","1","3","2","1") = "5"
    & skf21("6","2","4","5","1","3","3","1") = "5"
    & skf21("6","2","4","5","1","3","4","1") = "5"
    & skf21("6","2","4","5","1","3","5","1") = "5"
    & skf21("6","2","4","5","1","3","6","1") = "5"
    & skf21("6","2","4","5","1","3","7","1") = "6"
    & skf21("6","2","4","5","1","4","1","1") = "5"
    & skf21("6","2","4","5","1","4","2","1") = "5"
    & skf21("6","2","4","5","1","4","3","1") = "5"
    & skf21("6","2","4","5","1","4","4","1") = "5"
    & skf21("6","2","4","5","1","4","5","1") = "5"
    & skf21("6","2","4","5","1","4","6","1") = "5"
    & skf21("6","2","4","5","1","4","7","1") = "6"
    & skf21("6","2","4","5","1","5","1","1") = "5"
    & skf21("6","2","4","5","1","5","2","1") = "5"
    & skf21("6","2","4","5","1","5","3","1") = "5"
    & skf21("6","2","4","5","1","5","4","1") = "5"
    & skf21("6","2","4","5","1","5","5","1") = "5"
    & skf21("6","2","4","5","1","5","6","1") = "5"
    & skf21("6","2","4","5","1","5","7","1") = "6"
    & skf21("6","2","4","5","1","6","1","1") = "5"
    & skf21("6","2","4","5","1","6","2","1") = "5"
    & skf21("6","2","4","5","1","6","3","1") = "5"
    & skf21("6","2","4","5","1","6","4","1") = "5"
    & skf21("6","2","4","5","1","6","5","1") = "5"
    & skf21("6","2","4","5","1","6","6","1") = "5"
    & skf21("6","2","4","5","1","6","7","1") = "6"
    & skf21("6","2","4","5","1","7","1","1") = "6"
    & skf21("6","2","4","5","1","7","2","1") = "6"
    & skf21("6","2","4","5","1","7","3","1") = "6"
    & skf21("6","2","4","5","1","7","4","1") = "6"
    & skf21("6","2","4","5","1","7","5","1") = "6"
    & skf21("6","2","4","5","1","7","6","1") = "6"
    & skf21("6","2","4","5","1","7","7","1") = "6"
    & skf21("6","2","4","5","2","1","1","1") = "5"
    & skf21("6","2","4","5","2","1","2","1") = "5"
    & skf21("6","2","4","5","2","1","3","1") = "5"
    & skf21("6","2","4","5","2","1","4","1") = "5"
    & skf21("6","2","4","5","2","1","5","1") = "5"
    & skf21("6","2","4","5","2","1","6","1") = "5"
    & skf21("6","2","4","5","2","1","7","1") = "6"
    & skf21("6","2","4","5","2","2","1","1") = "5"
    & skf21("6","2","4","5","2","2","2","1") = "5"
    & skf21("6","2","4","5","2","2","3","1") = "5"
    & skf21("6","2","4","5","2","2","4","1") = "5"
    & skf21("6","2","4","5","2","2","5","1") = "5"
    & skf21("6","2","4","5","2","2","6","1") = "5"
    & skf21("6","2","4","5","2","2","7","1") = "6"
    & skf21("6","2","4","5","2","3","1","1") = "5"
    & skf21("6","2","4","5","2","3","2","1") = "5"
    & skf21("6","2","4","5","2","3","3","1") = "5"
    & skf21("6","2","4","5","2","3","4","1") = "5"
    & skf21("6","2","4","5","2","3","5","1") = "5"
    & skf21("6","2","4","5","2","3","6","1") = "5"
    & skf21("6","2","4","5","2","3","7","1") = "6"
    & skf21("6","2","4","5","2","4","1","1") = "5"
    & skf21("6","2","4","5","2","4","2","1") = "5"
    & skf21("6","2","4","5","2","4","3","1") = "5"
    & skf21("6","2","4","5","2","4","4","1") = "5"
    & skf21("6","2","4","5","2","4","5","1") = "5"
    & skf21("6","2","4","5","2","4","6","1") = "5"
    & skf21("6","2","4","5","2","4","7","1") = "6"
    & skf21("6","2","4","5","2","5","1","1") = "5"
    & skf21("6","2","4","5","2","5","2","1") = "5"
    & skf21("6","2","4","5","2","5","3","1") = "5"
    & skf21("6","2","4","5","2","5","4","1") = "5"
    & skf21("6","2","4","5","2","5","5","1") = "5"
    & skf21("6","2","4","5","2","5","6","1") = "5"
    & skf21("6","2","4","5","2","5","7","1") = "6"
    & skf21("6","2","4","5","2","6","1","1") = "5"
    & skf21("6","2","4","5","2","6","2","1") = "5"
    & skf21("6","2","4","5","2","6","3","1") = "5"
    & skf21("6","2","4","5","2","6","4","1") = "5"
    & skf21("6","2","4","5","2","6","5","1") = "5"
    & skf21("6","2","4","5","2","6","6","1") = "5"
    & skf21("6","2","4","5","2","6","7","1") = "6"
    & skf21("6","2","4","5","2","7","1","1") = "6"
    & skf21("6","2","4","5","2","7","2","1") = "6"
    & skf21("6","2","4","5","2","7","3","1") = "6"
    & skf21("6","2","4","5","2","7","4","1") = "6"
    & skf21("6","2","4","5","2","7","5","1") = "6"
    & skf21("6","2","4","5","2","7","6","1") = "6"
    & skf21("6","2","4","5","2","7","7","1") = "6"
    & skf21("6","2","4","5","3","1","1","1") = "5"
    & skf21("6","2","4","5","3","1","2","1") = "5"
    & skf21("6","2","4","5","3","1","3","1") = "5"
    & skf21("6","2","4","5","3","1","4","1") = "5"
    & skf21("6","2","4","5","3","1","5","1") = "5"
    & skf21("6","2","4","5","3","1","6","1") = "5"
    & skf21("6","2","4","5","3","1","7","1") = "6"
    & skf21("6","2","4","5","3","2","1","1") = "5"
    & skf21("6","2","4","5","3","2","2","1") = "5"
    & skf21("6","2","4","5","3","2","3","1") = "5"
    & skf21("6","2","4","5","3","2","4","1") = "5"
    & skf21("6","2","4","5","3","2","5","1") = "5"
    & skf21("6","2","4","5","3","2","6","1") = "5"
    & skf21("6","2","4","5","3","2","7","1") = "6"
    & skf21("6","2","4","5","3","3","1","1") = "5"
    & skf21("6","2","4","5","3","3","2","1") = "5"
    & skf21("6","2","4","5","3","3","3","1") = "5"
    & skf21("6","2","4","5","3","3","4","1") = "5"
    & skf21("6","2","4","5","3","3","5","1") = "5"
    & skf21("6","2","4","5","3","3","6","1") = "5"
    & skf21("6","2","4","5","3","3","7","1") = "6"
    & skf21("6","2","4","5","3","4","1","1") = "5"
    & skf21("6","2","4","5","3","4","2","1") = "5"
    & skf21("6","2","4","5","3","4","3","1") = "5"
    & skf21("6","2","4","5","3","4","4","1") = "5"
    & skf21("6","2","4","5","3","4","5","1") = "5"
    & skf21("6","2","4","5","3","4","6","1") = "5"
    & skf21("6","2","4","5","3","4","7","1") = "6"
    & skf21("6","2","4","5","3","5","1","1") = "5"
    & skf21("6","2","4","5","3","5","2","1") = "5"
    & skf21("6","2","4","5","3","5","3","1") = "5"
    & skf21("6","2","4","5","3","5","4","1") = "5"
    & skf21("6","2","4","5","3","5","5","1") = "5"
    & skf21("6","2","4","5","3","5","6","1") = "5"
    & skf21("6","2","4","5","3","5","7","1") = "6"
    & skf21("6","2","4","5","3","6","1","1") = "5"
    & skf21("6","2","4","5","3","6","2","1") = "5"
    & skf21("6","2","4","5","3","6","3","1") = "5"
    & skf21("6","2","4","5","3","6","4","1") = "5"
    & skf21("6","2","4","5","3","6","5","1") = "5"
    & skf21("6","2","4","5","3","6","6","1") = "5"
    & skf21("6","2","4","5","3","6","7","1") = "6"
    & skf21("6","2","4","5","3","7","1","1") = "6"
    & skf21("6","2","4","5","3","7","2","1") = "6"
    & skf21("6","2","4","5","3","7","3","1") = "6"
    & skf21("6","2","4","5","3","7","4","1") = "6"
    & skf21("6","2","4","5","3","7","5","1") = "6"
    & skf21("6","2","4","5","3","7","6","1") = "6"
    & skf21("6","2","4","5","3","7","7","1") = "6"
    & skf21("6","2","4","5","4","1","1","1") = "5"
    & skf21("6","2","4","5","4","1","2","1") = "5"
    & skf21("6","2","4","5","4","1","3","1") = "5"
    & skf21("6","2","4","5","4","1","4","1") = "5"
    & skf21("6","2","4","5","4","1","5","1") = "5"
    & skf21("6","2","4","5","4","1","6","1") = "5"
    & skf21("6","2","4","5","4","1","7","1") = "6"
    & skf21("6","2","4","5","4","2","1","1") = "5"
    & skf21("6","2","4","5","4","2","2","1") = "5"
    & skf21("6","2","4","5","4","2","3","1") = "5"
    & skf21("6","2","4","5","4","2","4","1") = "5"
    & skf21("6","2","4","5","4","2","5","1") = "5"
    & skf21("6","2","4","5","4","2","6","1") = "5"
    & skf21("6","2","4","5","4","2","7","1") = "6"
    & skf21("6","2","4","5","4","3","1","1") = "5"
    & skf21("6","2","4","5","4","3","2","1") = "5"
    & skf21("6","2","4","5","4","3","3","1") = "5"
    & skf21("6","2","4","5","4","3","4","1") = "5"
    & skf21("6","2","4","5","4","3","5","1") = "5"
    & skf21("6","2","4","5","4","3","6","1") = "5"
    & skf21("6","2","4","5","4","3","7","1") = "6"
    & skf21("6","2","4","5","4","4","1","1") = "5"
    & skf21("6","2","4","5","4","4","2","1") = "5"
    & skf21("6","2","4","5","4","4","3","1") = "5"
    & skf21("6","2","4","5","4","4","4","1") = "5"
    & skf21("6","2","4","5","4","4","5","1") = "5"
    & skf21("6","2","4","5","4","4","6","1") = "5"
    & skf21("6","2","4","5","4","4","7","1") = "6"
    & skf21("6","2","4","5","4","5","1","1") = "5"
    & skf21("6","2","4","5","4","5","2","1") = "5"
    & skf21("6","2","4","5","4","5","3","1") = "5"
    & skf21("6","2","4","5","4","5","4","1") = "5"
    & skf21("6","2","4","5","4","5","5","1") = "5"
    & skf21("6","2","4","5","4","5","6","1") = "5"
    & skf21("6","2","4","5","4","5","7","1") = "6"
    & skf21("6","2","4","5","4","6","1","1") = "5"
    & skf21("6","2","4","5","4","6","2","1") = "5"
    & skf21("6","2","4","5","4","6","3","1") = "5"
    & skf21("6","2","4","5","4","6","4","1") = "5"
    & skf21("6","2","4","5","4","6","5","1") = "5"
    & skf21("6","2","4","5","4","6","6","1") = "5"
    & skf21("6","2","4","5","4","6","7","1") = "6"
    & skf21("6","2","4","5","4","7","1","1") = "6"
    & skf21("6","2","4","5","4","7","2","1") = "6"
    & skf21("6","2","4","5","4","7","3","1") = "6"
    & skf21("6","2","4","5","4","7","4","1") = "6"
    & skf21("6","2","4","5","4","7","5","1") = "6"
    & skf21("6","2","4","5","4","7","6","1") = "6"
    & skf21("6","2","4","5","4","7","7","1") = "6"
    & skf21("6","2","4","5","5","1","1","1") = "5"
    & skf21("6","2","4","5","5","1","2","1") = "5"
    & skf21("6","2","4","5","5","1","3","1") = "5"
    & skf21("6","2","4","5","5","1","4","1") = "5"
    & skf21("6","2","4","5","5","1","5","1") = "5"
    & skf21("6","2","4","5","5","1","6","1") = "5"
    & skf21("6","2","4","5","5","1","7","1") = "6"
    & skf21("6","2","4","5","5","2","1","1") = "5"
    & skf21("6","2","4","5","5","2","2","1") = "5"
    & skf21("6","2","4","5","5","2","3","1") = "5"
    & skf21("6","2","4","5","5","2","4","1") = "5"
    & skf21("6","2","4","5","5","2","5","1") = "5"
    & skf21("6","2","4","5","5","2","6","1") = "5"
    & skf21("6","2","4","5","5","2","7","1") = "6"
    & skf21("6","2","4","5","5","3","1","1") = "5"
    & skf21("6","2","4","5","5","3","2","1") = "5"
    & skf21("6","2","4","5","5","3","3","1") = "5"
    & skf21("6","2","4","5","5","3","4","1") = "5"
    & skf21("6","2","4","5","5","3","5","1") = "5"
    & skf21("6","2","4","5","5","3","6","1") = "5"
    & skf21("6","2","4","5","5","3","7","1") = "6"
    & skf21("6","2","4","5","5","4","1","1") = "5"
    & skf21("6","2","4","5","5","4","2","1") = "5"
    & skf21("6","2","4","5","5","4","3","1") = "5"
    & skf21("6","2","4","5","5","4","4","1") = "5"
    & skf21("6","2","4","5","5","4","5","1") = "5"
    & skf21("6","2","4","5","5","4","6","1") = "5"
    & skf21("6","2","4","5","5","4","7","1") = "6"
    & skf21("6","2","4","5","5","5","1","1") = "5"
    & skf21("6","2","4","5","5","5","2","1") = "5"
    & skf21("6","2","4","5","5","5","3","1") = "5"
    & skf21("6","2","4","5","5","5","4","1") = "5"
    & skf21("6","2","4","5","5","5","5","1") = "5"
    & skf21("6","2","4","5","5","5","6","1") = "5"
    & skf21("6","2","4","5","5","5","7","1") = "6"
    & skf21("6","2","4","5","5","6","1","1") = "5"
    & skf21("6","2","4","5","5","6","2","1") = "5"
    & skf21("6","2","4","5","5","6","3","1") = "5"
    & skf21("6","2","4","5","5","6","4","1") = "5"
    & skf21("6","2","4","5","5","6","5","1") = "5"
    & skf21("6","2","4","5","5","6","6","1") = "5"
    & skf21("6","2","4","5","5","6","7","1") = "6"
    & skf21("6","2","4","5","5","7","1","1") = "6"
    & skf21("6","2","4","5","5","7","2","1") = "6"
    & skf21("6","2","4","5","5","7","3","1") = "6"
    & skf21("6","2","4","5","5","7","4","1") = "6"
    & skf21("6","2","4","5","5","7","5","1") = "6"
    & skf21("6","2","4","5","5","7","6","1") = "6"
    & skf21("6","2","4","5","5","7","7","1") = "6"
    & skf21("6","2","4","5","6","1","1","1") = "5"
    & skf21("6","2","4","5","6","1","2","1") = "5"
    & skf21("6","2","4","5","6","1","3","1") = "5"
    & skf21("6","2","4","5","6","1","4","1") = "5"
    & skf21("6","2","4","5","6","1","5","1") = "5"
    & skf21("6","2","4","5","6","1","6","1") = "5"
    & skf21("6","2","4","5","6","1","7","1") = "6"
    & skf21("6","2","4","5","6","2","1","1") = "5"
    & skf21("6","2","4","5","6","2","2","1") = "5"
    & skf21("6","2","4","5","6","2","3","1") = "5"
    & skf21("6","2","4","5","6","2","4","1") = "5"
    & skf21("6","2","4","5","6","2","5","1") = "5"
    & skf21("6","2","4","5","6","2","6","1") = "5"
    & skf21("6","2","4","5","6","2","7","1") = "6"
    & skf21("6","2","4","5","6","3","1","1") = "5"
    & skf21("6","2","4","5","6","3","2","1") = "5"
    & skf21("6","2","4","5","6","3","3","1") = "5"
    & skf21("6","2","4","5","6","3","4","1") = "5"
    & skf21("6","2","4","5","6","3","5","1") = "5"
    & skf21("6","2","4","5","6","3","6","1") = "5"
    & skf21("6","2","4","5","6","3","7","1") = "6"
    & skf21("6","2","4","5","6","4","1","1") = "5"
    & skf21("6","2","4","5","6","4","2","1") = "5"
    & skf21("6","2","4","5","6","4","3","1") = "5"
    & skf21("6","2","4","5","6","4","4","1") = "5"
    & skf21("6","2","4","5","6","4","5","1") = "5"
    & skf21("6","2","4","5","6","4","6","1") = "5"
    & skf21("6","2","4","5","6","4","7","1") = "6"
    & skf21("6","2","4","5","6","5","1","1") = "5"
    & skf21("6","2","4","5","6","5","2","1") = "5"
    & skf21("6","2","4","5","6","5","3","1") = "5"
    & skf21("6","2","4","5","6","5","4","1") = "5"
    & skf21("6","2","4","5","6","5","5","1") = "5"
    & skf21("6","2","4","5","6","5","6","1") = "5"
    & skf21("6","2","4","5","6","5","7","1") = "6"
    & skf21("6","2","4","5","6","6","1","1") = "5"
    & skf21("6","2","4","5","6","6","2","1") = "5"
    & skf21("6","2","4","5","6","6","3","1") = "5"
    & skf21("6","2","4","5","6","6","4","1") = "5"
    & skf21("6","2","4","5","6","6","5","1") = "5"
    & skf21("6","2","4","5","6","6","6","1") = "5"
    & skf21("6","2","4","5","6","6","7","1") = "6"
    & skf21("6","2","4","5","6","7","1","1") = "6"
    & skf21("6","2","4","5","6","7","2","1") = "6"
    & skf21("6","2","4","5","6","7","3","1") = "6"
    & skf21("6","2","4","5","6","7","4","1") = "6"
    & skf21("6","2","4","5","6","7","5","1") = "6"
    & skf21("6","2","4","5","6","7","6","1") = "6"
    & skf21("6","2","4","5","6","7","7","1") = "6"
    & skf21("6","2","4","5","7","1","1","1") = "6"
    & skf21("6","2","4","5","7","1","2","1") = "6"
    & skf21("6","2","4","5","7","1","3","1") = "6"
    & skf21("6","2","4","5","7","1","4","1") = "6"
    & skf21("6","2","4","5","7","1","5","1") = "6"
    & skf21("6","2","4","5","7","1","6","1") = "6"
    & skf21("6","2","4","5","7","1","7","1") = "6"
    & skf21("6","2","4","5","7","2","1","1") = "6"
    & skf21("6","2","4","5","7","2","2","1") = "6"
    & skf21("6","2","4","5","7","2","3","1") = "6"
    & skf21("6","2","4","5","7","2","4","1") = "6"
    & skf21("6","2","4","5","7","2","5","1") = "6"
    & skf21("6","2","4","5","7","2","6","1") = "6"
    & skf21("6","2","4","5","7","2","7","1") = "6"
    & skf21("6","2","4","5","7","3","1","1") = "6"
    & skf21("6","2","4","5","7","3","2","1") = "6"
    & skf21("6","2","4","5","7","3","3","1") = "6"
    & skf21("6","2","4","5","7","3","4","1") = "6"
    & skf21("6","2","4","5","7","3","5","1") = "6"
    & skf21("6","2","4","5","7","3","6","1") = "6"
    & skf21("6","2","4","5","7","3","7","1") = "6"
    & skf21("6","2","4","5","7","4","1","1") = "6"
    & skf21("6","2","4","5","7","4","2","1") = "6"
    & skf21("6","2","4","5","7","4","3","1") = "6"
    & skf21("6","2","4","5","7","4","4","1") = "6"
    & skf21("6","2","4","5","7","4","5","1") = "6"
    & skf21("6","2","4","5","7","4","6","1") = "6"
    & skf21("6","2","4","5","7","4","7","1") = "6"
    & skf21("6","2","4","5","7","5","1","1") = "6"
    & skf21("6","2","4","5","7","5","2","1") = "6"
    & skf21("6","2","4","5","7","5","3","1") = "6"
    & skf21("6","2","4","5","7","5","4","1") = "6"
    & skf21("6","2","4","5","7","5","5","1") = "6"
    & skf21("6","2","4","5","7","5","6","1") = "6"
    & skf21("6","2","4","5","7","5","7","1") = "6"
    & skf21("6","2","4","5","7","6","1","1") = "6"
    & skf21("6","2","4","5","7","6","2","1") = "6"
    & skf21("6","2","4","5","7","6","3","1") = "6"
    & skf21("6","2","4","5","7","6","4","1") = "6"
    & skf21("6","2","4","5","7","6","5","1") = "6"
    & skf21("6","2","4","5","7","6","6","1") = "6"
    & skf21("6","2","4","5","7","6","7","1") = "6"
    & skf21("6","2","4","5","7","7","1","1") = "6"
    & skf21("6","2","4","5","7","7","2","1") = "6"
    & skf21("6","2","4","5","7","7","3","1") = "6"
    & skf21("6","2","4","5","7","7","4","1") = "6"
    & skf21("6","2","4","5","7","7","5","1") = "6"
    & skf21("6","2","4","5","7","7","6","1") = "6"
    & skf21("6","2","4","5","7","7","7","1") = "6"
    & skf21("6","2","4","6","1","1","1","1") = "5"
    & skf21("6","2","4","6","1","1","2","1") = "5"
    & skf21("6","2","4","6","1","1","3","1") = "5"
    & skf21("6","2","4","6","1","1","4","1") = "5"
    & skf21("6","2","4","6","1","1","5","1") = "5"
    & skf21("6","2","4","6","1","1","6","1") = "5"
    & skf21("6","2","4","6","1","1","7","1") = "6"
    & skf21("6","2","4","6","1","2","1","1") = "5"
    & skf21("6","2","4","6","1","2","2","1") = "5"
    & skf21("6","2","4","6","1","2","3","1") = "5"
    & skf21("6","2","4","6","1","2","4","1") = "5"
    & skf21("6","2","4","6","1","2","5","1") = "5"
    & skf21("6","2","4","6","1","2","6","1") = "5"
    & skf21("6","2","4","6","1","2","7","1") = "6"
    & skf21("6","2","4","6","1","3","1","1") = "5"
    & skf21("6","2","4","6","1","3","2","1") = "5"
    & skf21("6","2","4","6","1","3","3","1") = "5"
    & skf21("6","2","4","6","1","3","4","1") = "5"
    & skf21("6","2","4","6","1","3","5","1") = "5"
    & skf21("6","2","4","6","1","3","6","1") = "5"
    & skf21("6","2","4","6","1","3","7","1") = "6"
    & skf21("6","2","4","6","1","4","1","1") = "5"
    & skf21("6","2","4","6","1","4","2","1") = "5"
    & skf21("6","2","4","6","1","4","3","1") = "5"
    & skf21("6","2","4","6","1","4","4","1") = "5"
    & skf21("6","2","4","6","1","4","5","1") = "5"
    & skf21("6","2","4","6","1","4","6","1") = "5"
    & skf21("6","2","4","6","1","4","7","1") = "6"
    & skf21("6","2","4","6","1","5","1","1") = "5"
    & skf21("6","2","4","6","1","5","2","1") = "5"
    & skf21("6","2","4","6","1","5","3","1") = "5"
    & skf21("6","2","4","6","1","5","4","1") = "5"
    & skf21("6","2","4","6","1","5","5","1") = "5"
    & skf21("6","2","4","6","1","5","6","1") = "5"
    & skf21("6","2","4","6","1","5","7","1") = "6"
    & skf21("6","2","4","6","1","6","1","1") = "5"
    & skf21("6","2","4","6","1","6","2","1") = "5"
    & skf21("6","2","4","6","1","6","3","1") = "5"
    & skf21("6","2","4","6","1","6","4","1") = "5"
    & skf21("6","2","4","6","1","6","5","1") = "5"
    & skf21("6","2","4","6","1","6","6","1") = "5"
    & skf21("6","2","4","6","1","6","7","1") = "6"
    & skf21("6","2","4","6","1","7","1","1") = "6"
    & skf21("6","2","4","6","1","7","2","1") = "6"
    & skf21("6","2","4","6","1","7","3","1") = "6"
    & skf21("6","2","4","6","1","7","4","1") = "6"
    & skf21("6","2","4","6","1","7","5","1") = "6"
    & skf21("6","2","4","6","1","7","6","1") = "6"
    & skf21("6","2","4","6","1","7","7","1") = "6"
    & skf21("6","2","4","6","2","1","1","1") = "5"
    & skf21("6","2","4","6","2","1","2","1") = "5"
    & skf21("6","2","4","6","2","1","3","1") = "5"
    & skf21("6","2","4","6","2","1","4","1") = "5"
    & skf21("6","2","4","6","2","1","5","1") = "5"
    & skf21("6","2","4","6","2","1","6","1") = "5"
    & skf21("6","2","4","6","2","1","7","1") = "6"
    & skf21("6","2","4","6","2","2","1","1") = "5"
    & skf21("6","2","4","6","2","2","2","1") = "5"
    & skf21("6","2","4","6","2","2","3","1") = "5"
    & skf21("6","2","4","6","2","2","4","1") = "5"
    & skf21("6","2","4","6","2","2","5","1") = "5"
    & skf21("6","2","4","6","2","2","6","1") = "5"
    & skf21("6","2","4","6","2","2","7","1") = "6"
    & skf21("6","2","4","6","2","3","1","1") = "5"
    & skf21("6","2","4","6","2","3","2","1") = "5"
    & skf21("6","2","4","6","2","3","3","1") = "5"
    & skf21("6","2","4","6","2","3","4","1") = "5"
    & skf21("6","2","4","6","2","3","5","1") = "5"
    & skf21("6","2","4","6","2","3","6","1") = "5"
    & skf21("6","2","4","6","2","3","7","1") = "6"
    & skf21("6","2","4","6","2","4","1","1") = "5"
    & skf21("6","2","4","6","2","4","2","1") = "5"
    & skf21("6","2","4","6","2","4","3","1") = "5"
    & skf21("6","2","4","6","2","4","4","1") = "5"
    & skf21("6","2","4","6","2","4","5","1") = "5"
    & skf21("6","2","4","6","2","4","6","1") = "5"
    & skf21("6","2","4","6","2","4","7","1") = "6"
    & skf21("6","2","4","6","2","5","1","1") = "5"
    & skf21("6","2","4","6","2","5","2","1") = "5"
    & skf21("6","2","4","6","2","5","3","1") = "5"
    & skf21("6","2","4","6","2","5","4","1") = "5"
    & skf21("6","2","4","6","2","5","5","1") = "5"
    & skf21("6","2","4","6","2","5","6","1") = "5"
    & skf21("6","2","4","6","2","5","7","1") = "6"
    & skf21("6","2","4","6","2","6","1","1") = "5"
    & skf21("6","2","4","6","2","6","2","1") = "5"
    & skf21("6","2","4","6","2","6","3","1") = "5"
    & skf21("6","2","4","6","2","6","4","1") = "5"
    & skf21("6","2","4","6","2","6","5","1") = "5"
    & skf21("6","2","4","6","2","6","6","1") = "5"
    & skf21("6","2","4","6","2","6","7","1") = "6"
    & skf21("6","2","4","6","2","7","1","1") = "6"
    & skf21("6","2","4","6","2","7","2","1") = "6"
    & skf21("6","2","4","6","2","7","3","1") = "6"
    & skf21("6","2","4","6","2","7","4","1") = "6"
    & skf21("6","2","4","6","2","7","5","1") = "6"
    & skf21("6","2","4","6","2","7","6","1") = "6"
    & skf21("6","2","4","6","2","7","7","1") = "6"
    & skf21("6","2","4","6","3","1","1","1") = "5"
    & skf21("6","2","4","6","3","1","2","1") = "5"
    & skf21("6","2","4","6","3","1","3","1") = "5"
    & skf21("6","2","4","6","3","1","4","1") = "5"
    & skf21("6","2","4","6","3","1","5","1") = "5"
    & skf21("6","2","4","6","3","1","6","1") = "5"
    & skf21("6","2","4","6","3","1","7","1") = "6"
    & skf21("6","2","4","6","3","2","1","1") = "5"
    & skf21("6","2","4","6","3","2","2","1") = "5"
    & skf21("6","2","4","6","3","2","3","1") = "5"
    & skf21("6","2","4","6","3","2","4","1") = "5"
    & skf21("6","2","4","6","3","2","5","1") = "5"
    & skf21("6","2","4","6","3","2","6","1") = "5"
    & skf21("6","2","4","6","3","2","7","1") = "6"
    & skf21("6","2","4","6","3","3","1","1") = "5"
    & skf21("6","2","4","6","3","3","2","1") = "5"
    & skf21("6","2","4","6","3","3","3","1") = "5"
    & skf21("6","2","4","6","3","3","4","1") = "5"
    & skf21("6","2","4","6","3","3","5","1") = "5"
    & skf21("6","2","4","6","3","3","6","1") = "5"
    & skf21("6","2","4","6","3","3","7","1") = "6"
    & skf21("6","2","4","6","3","4","1","1") = "5"
    & skf21("6","2","4","6","3","4","2","1") = "5"
    & skf21("6","2","4","6","3","4","3","1") = "5"
    & skf21("6","2","4","6","3","4","4","1") = "5"
    & skf21("6","2","4","6","3","4","5","1") = "5"
    & skf21("6","2","4","6","3","4","6","1") = "5"
    & skf21("6","2","4","6","3","4","7","1") = "6"
    & skf21("6","2","4","6","3","5","1","1") = "5"
    & skf21("6","2","4","6","3","5","2","1") = "5"
    & skf21("6","2","4","6","3","5","3","1") = "5"
    & skf21("6","2","4","6","3","5","4","1") = "5"
    & skf21("6","2","4","6","3","5","5","1") = "5"
    & skf21("6","2","4","6","3","5","6","1") = "5"
    & skf21("6","2","4","6","3","5","7","1") = "6"
    & skf21("6","2","4","6","3","6","1","1") = "5"
    & skf21("6","2","4","6","3","6","2","1") = "5"
    & skf21("6","2","4","6","3","6","3","1") = "5"
    & skf21("6","2","4","6","3","6","4","1") = "5"
    & skf21("6","2","4","6","3","6","5","1") = "5"
    & skf21("6","2","4","6","3","6","6","1") = "5"
    & skf21("6","2","4","6","3","6","7","1") = "6"
    & skf21("6","2","4","6","3","7","1","1") = "6"
    & skf21("6","2","4","6","3","7","2","1") = "6"
    & skf21("6","2","4","6","3","7","3","1") = "6"
    & skf21("6","2","4","6","3","7","4","1") = "6"
    & skf21("6","2","4","6","3","7","5","1") = "6"
    & skf21("6","2","4","6","3","7","6","1") = "6"
    & skf21("6","2","4","6","3","7","7","1") = "6"
    & skf21("6","2","4","6","4","1","1","1") = "5"
    & skf21("6","2","4","6","4","1","2","1") = "5"
    & skf21("6","2","4","6","4","1","3","1") = "5"
    & skf21("6","2","4","6","4","1","4","1") = "5"
    & skf21("6","2","4","6","4","1","5","1") = "5"
    & skf21("6","2","4","6","4","1","6","1") = "5"
    & skf21("6","2","4","6","4","1","7","1") = "6"
    & skf21("6","2","4","6","4","2","1","1") = "5"
    & skf21("6","2","4","6","4","2","2","1") = "5"
    & skf21("6","2","4","6","4","2","3","1") = "5"
    & skf21("6","2","4","6","4","2","4","1") = "5"
    & skf21("6","2","4","6","4","2","5","1") = "5"
    & skf21("6","2","4","6","4","2","6","1") = "5"
    & skf21("6","2","4","6","4","2","7","1") = "6"
    & skf21("6","2","4","6","4","3","1","1") = "5"
    & skf21("6","2","4","6","4","3","2","1") = "5"
    & skf21("6","2","4","6","4","3","3","1") = "5"
    & skf21("6","2","4","6","4","3","4","1") = "5"
    & skf21("6","2","4","6","4","3","5","1") = "5"
    & skf21("6","2","4","6","4","3","6","1") = "5"
    & skf21("6","2","4","6","4","3","7","1") = "6"
    & skf21("6","2","4","6","4","4","1","1") = "5"
    & skf21("6","2","4","6","4","4","2","1") = "5"
    & skf21("6","2","4","6","4","4","3","1") = "5"
    & skf21("6","2","4","6","4","4","4","1") = "5"
    & skf21("6","2","4","6","4","4","5","1") = "5"
    & skf21("6","2","4","6","4","4","6","1") = "5"
    & skf21("6","2","4","6","4","4","7","1") = "6"
    & skf21("6","2","4","6","4","5","1","1") = "5"
    & skf21("6","2","4","6","4","5","2","1") = "5"
    & skf21("6","2","4","6","4","5","3","1") = "5"
    & skf21("6","2","4","6","4","5","4","1") = "5"
    & skf21("6","2","4","6","4","5","5","1") = "5"
    & skf21("6","2","4","6","4","5","6","1") = "5"
    & skf21("6","2","4","6","4","5","7","1") = "6"
    & skf21("6","2","4","6","4","6","1","1") = "5"
    & skf21("6","2","4","6","4","6","2","1") = "5"
    & skf21("6","2","4","6","4","6","3","1") = "5"
    & skf21("6","2","4","6","4","6","4","1") = "5"
    & skf21("6","2","4","6","4","6","5","1") = "5"
    & skf21("6","2","4","6","4","6","6","1") = "5"
    & skf21("6","2","4","6","4","6","7","1") = "6"
    & skf21("6","2","4","6","4","7","1","1") = "6"
    & skf21("6","2","4","6","4","7","2","1") = "6"
    & skf21("6","2","4","6","4","7","3","1") = "6"
    & skf21("6","2","4","6","4","7","4","1") = "6"
    & skf21("6","2","4","6","4","7","5","1") = "6"
    & skf21("6","2","4","6","4","7","6","1") = "6"
    & skf21("6","2","4","6","4","7","7","1") = "6"
    & skf21("6","2","4","6","5","1","1","1") = "5"
    & skf21("6","2","4","6","5","1","2","1") = "5"
    & skf21("6","2","4","6","5","1","3","1") = "5"
    & skf21("6","2","4","6","5","1","4","1") = "5"
    & skf21("6","2","4","6","5","1","5","1") = "5"
    & skf21("6","2","4","6","5","1","6","1") = "5"
    & skf21("6","2","4","6","5","1","7","1") = "6"
    & skf21("6","2","4","6","5","2","1","1") = "5"
    & skf21("6","2","4","6","5","2","2","1") = "5"
    & skf21("6","2","4","6","5","2","3","1") = "5"
    & skf21("6","2","4","6","5","2","4","1") = "5"
    & skf21("6","2","4","6","5","2","5","1") = "5"
    & skf21("6","2","4","6","5","2","6","1") = "5"
    & skf21("6","2","4","6","5","2","7","1") = "6"
    & skf21("6","2","4","6","5","3","1","1") = "5"
    & skf21("6","2","4","6","5","3","2","1") = "5"
    & skf21("6","2","4","6","5","3","3","1") = "5"
    & skf21("6","2","4","6","5","3","4","1") = "5"
    & skf21("6","2","4","6","5","3","5","1") = "5"
    & skf21("6","2","4","6","5","3","6","1") = "5"
    & skf21("6","2","4","6","5","3","7","1") = "6"
    & skf21("6","2","4","6","5","4","1","1") = "5"
    & skf21("6","2","4","6","5","4","2","1") = "5"
    & skf21("6","2","4","6","5","4","3","1") = "5"
    & skf21("6","2","4","6","5","4","4","1") = "5"
    & skf21("6","2","4","6","5","4","5","1") = "5"
    & skf21("6","2","4","6","5","4","6","1") = "5"
    & skf21("6","2","4","6","5","4","7","1") = "6"
    & skf21("6","2","4","6","5","5","1","1") = "5"
    & skf21("6","2","4","6","5","5","2","1") = "5"
    & skf21("6","2","4","6","5","5","3","1") = "5"
    & skf21("6","2","4","6","5","5","4","1") = "5"
    & skf21("6","2","4","6","5","5","5","1") = "5"
    & skf21("6","2","4","6","5","5","6","1") = "5"
    & skf21("6","2","4","6","5","5","7","1") = "6"
    & skf21("6","2","4","6","5","6","1","1") = "5"
    & skf21("6","2","4","6","5","6","2","1") = "5"
    & skf21("6","2","4","6","5","6","3","1") = "5"
    & skf21("6","2","4","6","5","6","4","1") = "5"
    & skf21("6","2","4","6","5","6","5","1") = "5"
    & skf21("6","2","4","6","5","6","6","1") = "5"
    & skf21("6","2","4","6","5","6","7","1") = "6"
    & skf21("6","2","4","6","5","7","1","1") = "6"
    & skf21("6","2","4","6","5","7","2","1") = "6"
    & skf21("6","2","4","6","5","7","3","1") = "6"
    & skf21("6","2","4","6","5","7","4","1") = "6"
    & skf21("6","2","4","6","5","7","5","1") = "6"
    & skf21("6","2","4","6","5","7","6","1") = "6"
    & skf21("6","2","4","6","5","7","7","1") = "6"
    & skf21("6","2","4","6","6","1","1","1") = "5"
    & skf21("6","2","4","6","6","1","2","1") = "5"
    & skf21("6","2","4","6","6","1","3","1") = "5"
    & skf21("6","2","4","6","6","1","4","1") = "5"
    & skf21("6","2","4","6","6","1","5","1") = "5"
    & skf21("6","2","4","6","6","1","6","1") = "5"
    & skf21("6","2","4","6","6","1","7","1") = "6"
    & skf21("6","2","4","6","6","2","1","1") = "5"
    & skf21("6","2","4","6","6","2","2","1") = "5"
    & skf21("6","2","4","6","6","2","3","1") = "5"
    & skf21("6","2","4","6","6","2","4","1") = "5"
    & skf21("6","2","4","6","6","2","5","1") = "5"
    & skf21("6","2","4","6","6","2","6","1") = "5"
    & skf21("6","2","4","6","6","2","7","1") = "6"
    & skf21("6","2","4","6","6","3","1","1") = "5"
    & skf21("6","2","4","6","6","3","2","1") = "5"
    & skf21("6","2","4","6","6","3","3","1") = "5"
    & skf21("6","2","4","6","6","3","4","1") = "5"
    & skf21("6","2","4","6","6","3","5","1") = "5"
    & skf21("6","2","4","6","6","3","6","1") = "5"
    & skf21("6","2","4","6","6","3","7","1") = "6"
    & skf21("6","2","4","6","6","4","1","1") = "5"
    & skf21("6","2","4","6","6","4","2","1") = "5"
    & skf21("6","2","4","6","6","4","3","1") = "5"
    & skf21("6","2","4","6","6","4","4","1") = "5"
    & skf21("6","2","4","6","6","4","5","1") = "5"
    & skf21("6","2","4","6","6","4","6","1") = "5"
    & skf21("6","2","4","6","6","4","7","1") = "6"
    & skf21("6","2","4","6","6","5","1","1") = "5"
    & skf21("6","2","4","6","6","5","2","1") = "5"
    & skf21("6","2","4","6","6","5","3","1") = "5"
    & skf21("6","2","4","6","6","5","4","1") = "5"
    & skf21("6","2","4","6","6","5","5","1") = "5"
    & skf21("6","2","4","6","6","5","6","1") = "5"
    & skf21("6","2","4","6","6","5","7","1") = "6"
    & skf21("6","2","4","6","6","6","1","1") = "5"
    & skf21("6","2","4","6","6","6","2","1") = "5"
    & skf21("6","2","4","6","6","6","3","1") = "5"
    & skf21("6","2","4","6","6","6","4","1") = "5"
    & skf21("6","2","4","6","6","6","5","1") = "5"
    & skf21("6","2","4","6","6","6","6","1") = "5"
    & skf21("6","2","4","6","6","6","7","1") = "6"
    & skf21("6","2","4","6","6","7","1","1") = "6"
    & skf21("6","2","4","6","6","7","2","1") = "6"
    & skf21("6","2","4","6","6","7","3","1") = "6"
    & skf21("6","2","4","6","6","7","4","1") = "6"
    & skf21("6","2","4","6","6","7","5","1") = "6"
    & skf21("6","2","4","6","6","7","6","1") = "6"
    & skf21("6","2","4","6","6","7","7","1") = "6"
    & skf21("6","2","4","6","7","1","1","1") = "6"
    & skf21("6","2","4","6","7","1","2","1") = "6"
    & skf21("6","2","4","6","7","1","3","1") = "6"
    & skf21("6","2","4","6","7","1","4","1") = "6"
    & skf21("6","2","4","6","7","1","5","1") = "6"
    & skf21("6","2","4","6","7","1","6","1") = "6"
    & skf21("6","2","4","6","7","1","7","1") = "6"
    & skf21("6","2","4","6","7","2","1","1") = "6"
    & skf21("6","2","4","6","7","2","2","1") = "6"
    & skf21("6","2","4","6","7","2","3","1") = "6"
    & skf21("6","2","4","6","7","2","4","1") = "6"
    & skf21("6","2","4","6","7","2","5","1") = "6"
    & skf21("6","2","4","6","7","2","6","1") = "6"
    & skf21("6","2","4","6","7","2","7","1") = "6"
    & skf21("6","2","4","6","7","3","1","1") = "6"
    & skf21("6","2","4","6","7","3","2","1") = "6"
    & skf21("6","2","4","6","7","3","3","1") = "6"
    & skf21("6","2","4","6","7","3","4","1") = "6"
    & skf21("6","2","4","6","7","3","5","1") = "6"
    & skf21("6","2","4","6","7","3","6","1") = "6"
    & skf21("6","2","4","6","7","3","7","1") = "6"
    & skf21("6","2","4","6","7","4","1","1") = "6"
    & skf21("6","2","4","6","7","4","2","1") = "6"
    & skf21("6","2","4","6","7","4","3","1") = "6"
    & skf21("6","2","4","6","7","4","4","1") = "6"
    & skf21("6","2","4","6","7","4","5","1") = "6"
    & skf21("6","2","4","6","7","4","6","1") = "6"
    & skf21("6","2","4","6","7","4","7","1") = "6"
    & skf21("6","2","4","6","7","5","1","1") = "6"
    & skf21("6","2","4","6","7","5","2","1") = "6"
    & skf21("6","2","4","6","7","5","3","1") = "6"
    & skf21("6","2","4","6","7","5","4","1") = "6"
    & skf21("6","2","4","6","7","5","5","1") = "6"
    & skf21("6","2","4","6","7","5","6","1") = "6"
    & skf21("6","2","4","6","7","5","7","1") = "6"
    & skf21("6","2","4","6","7","6","1","1") = "6"
    & skf21("6","2","4","6","7","6","2","1") = "6"
    & skf21("6","2","4","6","7","6","3","1") = "6"
    & skf21("6","2","4","6","7","6","4","1") = "6"
    & skf21("6","2","4","6","7","6","5","1") = "6"
    & skf21("6","2","4","6","7","6","6","1") = "6"
    & skf21("6","2","4","6","7","6","7","1") = "6"
    & skf21("6","2","4","6","7","7","1","1") = "6"
    & skf21("6","2","4","6","7","7","2","1") = "6"
    & skf21("6","2","4","6","7","7","3","1") = "6"
    & skf21("6","2","4","6","7","7","4","1") = "6"
    & skf21("6","2","4","6","7","7","5","1") = "6"
    & skf21("6","2","4","6","7","7","6","1") = "6"
    & skf21("6","2","4","6","7","7","7","1") = "6"
    & skf21("6","2","4","7","1","1","1","1") = "6"
    & skf21("6","2","4","7","1","1","2","1") = "6"
    & skf21("6","2","4","7","1","1","3","1") = "6"
    & skf21("6","2","4","7","1","1","4","1") = "6"
    & skf21("6","2","4","7","1","1","5","1") = "6"
    & skf21("6","2","4","7","1","1","6","1") = "6"
    & skf21("6","2","4","7","1","1","7","1") = "6"
    & skf21("6","2","4","7","1","2","1","1") = "6"
    & skf21("6","2","4","7","1","2","2","1") = "6"
    & skf21("6","2","4","7","1","2","3","1") = "6"
    & skf21("6","2","4","7","1","2","4","1") = "6"
    & skf21("6","2","4","7","1","2","5","1") = "6"
    & skf21("6","2","4","7","1","2","6","1") = "6"
    & skf21("6","2","4","7","1","2","7","1") = "6"
    & skf21("6","2","4","7","1","3","1","1") = "6"
    & skf21("6","2","4","7","1","3","2","1") = "6"
    & skf21("6","2","4","7","1","3","3","1") = "6"
    & skf21("6","2","4","7","1","3","4","1") = "6"
    & skf21("6","2","4","7","1","3","5","1") = "6"
    & skf21("6","2","4","7","1","3","6","1") = "6"
    & skf21("6","2","4","7","1","3","7","1") = "6"
    & skf21("6","2","4","7","1","4","1","1") = "6"
    & skf21("6","2","4","7","1","4","2","1") = "6"
    & skf21("6","2","4","7","1","4","3","1") = "6"
    & skf21("6","2","4","7","1","4","4","1") = "6"
    & skf21("6","2","4","7","1","4","5","1") = "6"
    & skf21("6","2","4","7","1","4","6","1") = "6"
    & skf21("6","2","4","7","1","4","7","1") = "6"
    & skf21("6","2","4","7","1","5","1","1") = "6"
    & skf21("6","2","4","7","1","5","2","1") = "6"
    & skf21("6","2","4","7","1","5","3","1") = "6"
    & skf21("6","2","4","7","1","5","4","1") = "6"
    & skf21("6","2","4","7","1","5","5","1") = "6"
    & skf21("6","2","4","7","1","5","6","1") = "6"
    & skf21("6","2","4","7","1","5","7","1") = "6"
    & skf21("6","2","4","7","1","6","1","1") = "6"
    & skf21("6","2","4","7","1","6","2","1") = "6"
    & skf21("6","2","4","7","1","6","3","1") = "6"
    & skf21("6","2","4","7","1","6","4","1") = "6"
    & skf21("6","2","4","7","1","6","5","1") = "6"
    & skf21("6","2","4","7","1","6","6","1") = "6"
    & skf21("6","2","4","7","1","6","7","1") = "6"
    & skf21("6","2","4","7","1","7","1","1") = "6"
    & skf21("6","2","4","7","1","7","2","1") = "6"
    & skf21("6","2","4","7","1","7","3","1") = "6"
    & skf21("6","2","4","7","1","7","4","1") = "6"
    & skf21("6","2","4","7","1","7","5","1") = "6"
    & skf21("6","2","4","7","1","7","6","1") = "6"
    & skf21("6","2","4","7","1","7","7","1") = "6"
    & skf21("6","2","4","7","2","1","1","1") = "6"
    & skf21("6","2","4","7","2","1","2","1") = "6"
    & skf21("6","2","4","7","2","1","3","1") = "6"
    & skf21("6","2","4","7","2","1","4","1") = "6"
    & skf21("6","2","4","7","2","1","5","1") = "6"
    & skf21("6","2","4","7","2","1","6","1") = "6"
    & skf21("6","2","4","7","2","1","7","1") = "6"
    & skf21("6","2","4","7","2","2","1","1") = "6"
    & skf21("6","2","4","7","2","2","2","1") = "6"
    & skf21("6","2","4","7","2","2","3","1") = "6"
    & skf21("6","2","4","7","2","2","4","1") = "6"
    & skf21("6","2","4","7","2","2","5","1") = "6"
    & skf21("6","2","4","7","2","2","6","1") = "6"
    & skf21("6","2","4","7","2","2","7","1") = "6"
    & skf21("6","2","4","7","2","3","1","1") = "6"
    & skf21("6","2","4","7","2","3","2","1") = "6"
    & skf21("6","2","4","7","2","3","3","1") = "6"
    & skf21("6","2","4","7","2","3","4","1") = "6"
    & skf21("6","2","4","7","2","3","5","1") = "6"
    & skf21("6","2","4","7","2","3","6","1") = "6"
    & skf21("6","2","4","7","2","3","7","1") = "6"
    & skf21("6","2","4","7","2","4","1","1") = "6"
    & skf21("6","2","4","7","2","4","2","1") = "6"
    & skf21("6","2","4","7","2","4","3","1") = "6"
    & skf21("6","2","4","7","2","4","4","1") = "6"
    & skf21("6","2","4","7","2","4","5","1") = "6"
    & skf21("6","2","4","7","2","4","6","1") = "6"
    & skf21("6","2","4","7","2","4","7","1") = "6"
    & skf21("6","2","4","7","2","5","1","1") = "6"
    & skf21("6","2","4","7","2","5","2","1") = "6"
    & skf21("6","2","4","7","2","5","3","1") = "6"
    & skf21("6","2","4","7","2","5","4","1") = "6"
    & skf21("6","2","4","7","2","5","5","1") = "6"
    & skf21("6","2","4","7","2","5","6","1") = "6"
    & skf21("6","2","4","7","2","5","7","1") = "6"
    & skf21("6","2","4","7","2","6","1","1") = "6"
    & skf21("6","2","4","7","2","6","2","1") = "6"
    & skf21("6","2","4","7","2","6","3","1") = "6"
    & skf21("6","2","4","7","2","6","4","1") = "6"
    & skf21("6","2","4","7","2","6","5","1") = "6"
    & skf21("6","2","4","7","2","6","6","1") = "6"
    & skf21("6","2","4","7","2","6","7","1") = "6"
    & skf21("6","2","4","7","2","7","1","1") = "6"
    & skf21("6","2","4","7","2","7","2","1") = "6"
    & skf21("6","2","4","7","2","7","3","1") = "6"
    & skf21("6","2","4","7","2","7","4","1") = "6"
    & skf21("6","2","4","7","2","7","5","1") = "6"
    & skf21("6","2","4","7","2","7","6","1") = "6"
    & skf21("6","2","4","7","2","7","7","1") = "6"
    & skf21("6","2","4","7","3","1","1","1") = "6"
    & skf21("6","2","4","7","3","1","2","1") = "6"
    & skf21("6","2","4","7","3","1","3","1") = "6"
    & skf21("6","2","4","7","3","1","4","1") = "6"
    & skf21("6","2","4","7","3","1","5","1") = "6"
    & skf21("6","2","4","7","3","1","6","1") = "6"
    & skf21("6","2","4","7","3","1","7","1") = "6"
    & skf21("6","2","4","7","3","2","1","1") = "6"
    & skf21("6","2","4","7","3","2","2","1") = "6"
    & skf21("6","2","4","7","3","2","3","1") = "6"
    & skf21("6","2","4","7","3","2","4","1") = "6"
    & skf21("6","2","4","7","3","2","5","1") = "6"
    & skf21("6","2","4","7","3","2","6","1") = "6"
    & skf21("6","2","4","7","3","2","7","1") = "6"
    & skf21("6","2","4","7","3","3","1","1") = "6"
    & skf21("6","2","4","7","3","3","2","1") = "6"
    & skf21("6","2","4","7","3","3","3","1") = "6"
    & skf21("6","2","4","7","3","3","4","1") = "6"
    & skf21("6","2","4","7","3","3","5","1") = "6"
    & skf21("6","2","4","7","3","3","6","1") = "6"
    & skf21("6","2","4","7","3","3","7","1") = "6"
    & skf21("6","2","4","7","3","4","1","1") = "6"
    & skf21("6","2","4","7","3","4","2","1") = "6"
    & skf21("6","2","4","7","3","4","3","1") = "6"
    & skf21("6","2","4","7","3","4","4","1") = "6"
    & skf21("6","2","4","7","3","4","5","1") = "6"
    & skf21("6","2","4","7","3","4","6","1") = "6"
    & skf21("6","2","4","7","3","4","7","1") = "6"
    & skf21("6","2","4","7","3","5","1","1") = "6"
    & skf21("6","2","4","7","3","5","2","1") = "6"
    & skf21("6","2","4","7","3","5","3","1") = "6"
    & skf21("6","2","4","7","3","5","4","1") = "6"
    & skf21("6","2","4","7","3","5","5","1") = "6"
    & skf21("6","2","4","7","3","5","6","1") = "6"
    & skf21("6","2","4","7","3","5","7","1") = "6"
    & skf21("6","2","4","7","3","6","1","1") = "6"
    & skf21("6","2","4","7","3","6","2","1") = "6"
    & skf21("6","2","4","7","3","6","3","1") = "6"
    & skf21("6","2","4","7","3","6","4","1") = "6"
    & skf21("6","2","4","7","3","6","5","1") = "6"
    & skf21("6","2","4","7","3","6","6","1") = "6"
    & skf21("6","2","4","7","3","6","7","1") = "6"
    & skf21("6","2","4","7","3","7","1","1") = "6"
    & skf21("6","2","4","7","3","7","2","1") = "6"
    & skf21("6","2","4","7","3","7","3","1") = "6"
    & skf21("6","2","4","7","3","7","4","1") = "6"
    & skf21("6","2","4","7","3","7","5","1") = "6"
    & skf21("6","2","4","7","3","7","6","1") = "6"
    & skf21("6","2","4","7","3","7","7","1") = "6"
    & skf21("6","2","4","7","4","1","1","1") = "6"
    & skf21("6","2","4","7","4","1","2","1") = "6"
    & skf21("6","2","4","7","4","1","3","1") = "6"
    & skf21("6","2","4","7","4","1","4","1") = "6"
    & skf21("6","2","4","7","4","1","5","1") = "6"
    & skf21("6","2","4","7","4","1","6","1") = "6"
    & skf21("6","2","4","7","4","1","7","1") = "6"
    & skf21("6","2","4","7","4","2","1","1") = "6"
    & skf21("6","2","4","7","4","2","2","1") = "6"
    & skf21("6","2","4","7","4","2","3","1") = "6"
    & skf21("6","2","4","7","4","2","4","1") = "6"
    & skf21("6","2","4","7","4","2","5","1") = "6"
    & skf21("6","2","4","7","4","2","6","1") = "6"
    & skf21("6","2","4","7","4","2","7","1") = "6"
    & skf21("6","2","4","7","4","3","1","1") = "6"
    & skf21("6","2","4","7","4","3","2","1") = "6"
    & skf21("6","2","4","7","4","3","3","1") = "6"
    & skf21("6","2","4","7","4","3","4","1") = "6"
    & skf21("6","2","4","7","4","3","5","1") = "6"
    & skf21("6","2","4","7","4","3","6","1") = "6"
    & skf21("6","2","4","7","4","3","7","1") = "6"
    & skf21("6","2","4","7","4","4","1","1") = "6"
    & skf21("6","2","4","7","4","4","2","1") = "6"
    & skf21("6","2","4","7","4","4","3","1") = "6"
    & skf21("6","2","4","7","4","4","4","1") = "6"
    & skf21("6","2","4","7","4","4","5","1") = "6"
    & skf21("6","2","4","7","4","4","6","1") = "6"
    & skf21("6","2","4","7","4","4","7","1") = "6"
    & skf21("6","2","4","7","4","5","1","1") = "6"
    & skf21("6","2","4","7","4","5","2","1") = "6"
    & skf21("6","2","4","7","4","5","3","1") = "6"
    & skf21("6","2","4","7","4","5","4","1") = "6"
    & skf21("6","2","4","7","4","5","5","1") = "6"
    & skf21("6","2","4","7","4","5","6","1") = "6"
    & skf21("6","2","4","7","4","5","7","1") = "6"
    & skf21("6","2","4","7","4","6","1","1") = "6"
    & skf21("6","2","4","7","4","6","2","1") = "6"
    & skf21("6","2","4","7","4","6","3","1") = "6"
    & skf21("6","2","4","7","4","6","4","1") = "6"
    & skf21("6","2","4","7","4","6","5","1") = "6"
    & skf21("6","2","4","7","4","6","6","1") = "6"
    & skf21("6","2","4","7","4","6","7","1") = "6"
    & skf21("6","2","4","7","4","7","1","1") = "6"
    & skf21("6","2","4","7","4","7","2","1") = "6"
    & skf21("6","2","4","7","4","7","3","1") = "6"
    & skf21("6","2","4","7","4","7","4","1") = "6"
    & skf21("6","2","4","7","4","7","5","1") = "6"
    & skf21("6","2","4","7","4","7","6","1") = "6"
    & skf21("6","2","4","7","4","7","7","1") = "6"
    & skf21("6","2","4","7","5","1","1","1") = "6"
    & skf21("6","2","4","7","5","1","2","1") = "6"
    & skf21("6","2","4","7","5","1","3","1") = "6"
    & skf21("6","2","4","7","5","1","4","1") = "6"
    & skf21("6","2","4","7","5","1","5","1") = "6"
    & skf21("6","2","4","7","5","1","6","1") = "6"
    & skf21("6","2","4","7","5","1","7","1") = "6"
    & skf21("6","2","4","7","5","2","1","1") = "6"
    & skf21("6","2","4","7","5","2","2","1") = "6"
    & skf21("6","2","4","7","5","2","3","1") = "6"
    & skf21("6","2","4","7","5","2","4","1") = "6"
    & skf21("6","2","4","7","5","2","5","1") = "6"
    & skf21("6","2","4","7","5","2","6","1") = "6"
    & skf21("6","2","4","7","5","2","7","1") = "6"
    & skf21("6","2","4","7","5","3","1","1") = "6"
    & skf21("6","2","4","7","5","3","2","1") = "6"
    & skf21("6","2","4","7","5","3","3","1") = "6"
    & skf21("6","2","4","7","5","3","4","1") = "6"
    & skf21("6","2","4","7","5","3","5","1") = "6"
    & skf21("6","2","4","7","5","3","6","1") = "6"
    & skf21("6","2","4","7","5","3","7","1") = "6"
    & skf21("6","2","4","7","5","4","1","1") = "6"
    & skf21("6","2","4","7","5","4","2","1") = "6"
    & skf21("6","2","4","7","5","4","3","1") = "6"
    & skf21("6","2","4","7","5","4","4","1") = "6"
    & skf21("6","2","4","7","5","4","5","1") = "6"
    & skf21("6","2","4","7","5","4","6","1") = "6"
    & skf21("6","2","4","7","5","4","7","1") = "6"
    & skf21("6","2","4","7","5","5","1","1") = "6"
    & skf21("6","2","4","7","5","5","2","1") = "6"
    & skf21("6","2","4","7","5","5","3","1") = "6"
    & skf21("6","2","4","7","5","5","4","1") = "6"
    & skf21("6","2","4","7","5","5","5","1") = "6"
    & skf21("6","2","4","7","5","5","6","1") = "6"
    & skf21("6","2","4","7","5","5","7","1") = "6"
    & skf21("6","2","4","7","5","6","1","1") = "6"
    & skf21("6","2","4","7","5","6","2","1") = "6"
    & skf21("6","2","4","7","5","6","3","1") = "6"
    & skf21("6","2","4","7","5","6","4","1") = "6"
    & skf21("6","2","4","7","5","6","5","1") = "6"
    & skf21("6","2","4","7","5","6","6","1") = "6"
    & skf21("6","2","4","7","5","6","7","1") = "6"
    & skf21("6","2","4","7","5","7","1","1") = "6"
    & skf21("6","2","4","7","5","7","2","1") = "6"
    & skf21("6","2","4","7","5","7","3","1") = "6"
    & skf21("6","2","4","7","5","7","4","1") = "6"
    & skf21("6","2","4","7","5","7","5","1") = "6"
    & skf21("6","2","4","7","5","7","6","1") = "6"
    & skf21("6","2","4","7","5","7","7","1") = "6"
    & skf21("6","2","4","7","6","1","1","1") = "6"
    & skf21("6","2","4","7","6","1","2","1") = "6"
    & skf21("6","2","4","7","6","1","3","1") = "6"
    & skf21("6","2","4","7","6","1","4","1") = "6"
    & skf21("6","2","4","7","6","1","5","1") = "6"
    & skf21("6","2","4","7","6","1","6","1") = "6"
    & skf21("6","2","4","7","6","1","7","1") = "6"
    & skf21("6","2","4","7","6","2","1","1") = "6"
    & skf21("6","2","4","7","6","2","2","1") = "6"
    & skf21("6","2","4","7","6","2","3","1") = "6"
    & skf21("6","2","4","7","6","2","4","1") = "6"
    & skf21("6","2","4","7","6","2","5","1") = "6"
    & skf21("6","2","4","7","6","2","6","1") = "6"
    & skf21("6","2","4","7","6","2","7","1") = "6"
    & skf21("6","2","4","7","6","3","1","1") = "6"
    & skf21("6","2","4","7","6","3","2","1") = "6"
    & skf21("6","2","4","7","6","3","3","1") = "6"
    & skf21("6","2","4","7","6","3","4","1") = "6"
    & skf21("6","2","4","7","6","3","5","1") = "6"
    & skf21("6","2","4","7","6","3","6","1") = "6"
    & skf21("6","2","4","7","6","3","7","1") = "6"
    & skf21("6","2","4","7","6","4","1","1") = "6"
    & skf21("6","2","4","7","6","4","2","1") = "6"
    & skf21("6","2","4","7","6","4","3","1") = "6"
    & skf21("6","2","4","7","6","4","4","1") = "6"
    & skf21("6","2","4","7","6","4","5","1") = "6"
    & skf21("6","2","4","7","6","4","6","1") = "6"
    & skf21("6","2","4","7","6","4","7","1") = "6"
    & skf21("6","2","4","7","6","5","1","1") = "6"
    & skf21("6","2","4","7","6","5","2","1") = "6"
    & skf21("6","2","4","7","6","5","3","1") = "6"
    & skf21("6","2","4","7","6","5","4","1") = "6"
    & skf21("6","2","4","7","6","5","5","1") = "6"
    & skf21("6","2","4","7","6","5","6","1") = "6"
    & skf21("6","2","4","7","6","5","7","1") = "6"
    & skf21("6","2","4","7","6","6","1","1") = "6"
    & skf21("6","2","4","7","6","6","2","1") = "6"
    & skf21("6","2","4","7","6","6","3","1") = "6"
    & skf21("6","2","4","7","6","6","4","1") = "6"
    & skf21("6","2","4","7","6","6","5","1") = "6"
    & skf21("6","2","4","7","6","6","6","1") = "6"
    & skf21("6","2","4","7","6","6","7","1") = "6"
    & skf21("6","2","4","7","6","7","1","1") = "6"
    & skf21("6","2","4","7","6","7","2","1") = "6"
    & skf21("6","2","4","7","6","7","3","1") = "6"
    & skf21("6","2","4","7","6","7","4","1") = "6"
    & skf21("6","2","4","7","6","7","5","1") = "6"
    & skf21("6","2","4","7","6","7","6","1") = "6"
    & skf21("6","2","4","7","6","7","7","1") = "6"
    & skf21("6","2","4","7","7","1","1","1") = "6"
    & skf21("6","2","4","7","7","1","2","1") = "6"
    & skf21("6","2","4","7","7","1","3","1") = "6"
    & skf21("6","2","4","7","7","1","4","1") = "6"
    & skf21("6","2","4","7","7","1","5","1") = "6"
    & skf21("6","2","4","7","7","1","6","1") = "6"
    & skf21("6","2","4","7","7","1","7","1") = "6"
    & skf21("6","2","4","7","7","2","1","1") = "6"
    & skf21("6","2","4","7","7","2","2","1") = "6"
    & skf21("6","2","4","7","7","2","3","1") = "6"
    & skf21("6","2","4","7","7","2","4","1") = "6"
    & skf21("6","2","4","7","7","2","5","1") = "6"
    & skf21("6","2","4","7","7","2","6","1") = "6"
    & skf21("6","2","4","7","7","2","7","1") = "6"
    & skf21("6","2","4","7","7","3","1","1") = "6"
    & skf21("6","2","4","7","7","3","2","1") = "6"
    & skf21("6","2","4","7","7","3","3","1") = "6"
    & skf21("6","2","4","7","7","3","4","1") = "6"
    & skf21("6","2","4","7","7","3","5","1") = "6"
    & skf21("6","2","4","7","7","3","6","1") = "6"
    & skf21("6","2","4","7","7","3","7","1") = "6"
    & skf21("6","2","4","7","7","4","1","1") = "6"
    & skf21("6","2","4","7","7","4","2","1") = "6"
    & skf21("6","2","4","7","7","4","3","1") = "6"
    & skf21("6","2","4","7","7","4","4","1") = "6"
    & skf21("6","2","4","7","7","4","5","1") = "6"
    & skf21("6","2","4","7","7","4","6","1") = "6"
    & skf21("6","2","4","7","7","4","7","1") = "6"
    & skf21("6","2","4","7","7","5","1","1") = "6"
    & skf21("6","2","4","7","7","5","2","1") = "6"
    & skf21("6","2","4","7","7","5","3","1") = "6"
    & skf21("6","2","4","7","7","5","4","1") = "6"
    & skf21("6","2","4","7","7","5","5","1") = "6"
    & skf21("6","2","4","7","7","5","6","1") = "6"
    & skf21("6","2","4","7","7","5","7","1") = "6"
    & skf21("6","2","4","7","7","6","1","1") = "6"
    & skf21("6","2","4","7","7","6","2","1") = "6"
    & skf21("6","2","4","7","7","6","3","1") = "6"
    & skf21("6","2","4","7","7","6","4","1") = "6"
    & skf21("6","2","4","7","7","6","5","1") = "6"
    & skf21("6","2","4","7","7","6","6","1") = "6"
    & skf21("6","2","4","7","7","6","7","1") = "6"
    & skf21("6","2","4","7","7","7","1","1") = "6"
    & skf21("6","2","4","7","7","7","2","1") = "6"
    & skf21("6","2","4","7","7","7","3","1") = "6"
    & skf21("6","2","4","7","7","7","4","1") = "6"
    & skf21("6","2","4","7","7","7","5","1") = "6"
    & skf21("6","2","4","7","7","7","6","1") = "6"
    & skf21("6","2","4","7","7","7","7","1") = "6"
    & skf21("6","2","5","1","1","1","1","1") = "5"
    & skf21("6","2","5","1","1","1","2","1") = "5"
    & skf21("6","2","5","1","1","1","3","1") = "5"
    & skf21("6","2","5","1","1","1","4","1") = "5"
    & skf21("6","2","5","1","1","1","5","1") = "5"
    & skf21("6","2","5","1","1","1","6","1") = "5"
    & skf21("6","2","5","1","1","1","7","1") = "6"
    & skf21("6","2","5","1","1","2","1","1") = "5"
    & skf21("6","2","5","1","1","2","2","1") = "5"
    & skf21("6","2","5","1","1","2","3","1") = "5"
    & skf21("6","2","5","1","1","2","4","1") = "5"
    & skf21("6","2","5","1","1","2","5","1") = "5"
    & skf21("6","2","5","1","1","2","6","1") = "5"
    & skf21("6","2","5","1","1","2","7","1") = "6"
    & skf21("6","2","5","1","1","3","1","1") = "5"
    & skf21("6","2","5","1","1","3","2","1") = "5"
    & skf21("6","2","5","1","1","3","3","1") = "5"
    & skf21("6","2","5","1","1","3","4","1") = "5"
    & skf21("6","2","5","1","1","3","5","1") = "5"
    & skf21("6","2","5","1","1","3","6","1") = "5"
    & skf21("6","2","5","1","1","3","7","1") = "6"
    & skf21("6","2","5","1","1","4","1","1") = "5"
    & skf21("6","2","5","1","1","4","2","1") = "5"
    & skf21("6","2","5","1","1","4","3","1") = "5"
    & skf21("6","2","5","1","1","4","4","1") = "5"
    & skf21("6","2","5","1","1","4","5","1") = "5"
    & skf21("6","2","5","1","1","4","6","1") = "5"
    & skf21("6","2","5","1","1","4","7","1") = "6"
    & skf21("6","2","5","1","1","5","1","1") = "5"
    & skf21("6","2","5","1","1","5","2","1") = "5"
    & skf21("6","2","5","1","1","5","3","1") = "5"
    & skf21("6","2","5","1","1","5","4","1") = "5"
    & skf21("6","2","5","1","1","5","5","1") = "5"
    & skf21("6","2","5","1","1","5","6","1") = "5"
    & skf21("6","2","5","1","1","5","7","1") = "6"
    & skf21("6","2","5","1","1","6","1","1") = "5"
    & skf21("6","2","5","1","1","6","2","1") = "5"
    & skf21("6","2","5","1","1","6","3","1") = "5"
    & skf21("6","2","5","1","1","6","4","1") = "5"
    & skf21("6","2","5","1","1","6","5","1") = "5"
    & skf21("6","2","5","1","1","6","6","1") = "5"
    & skf21("6","2","5","1","1","6","7","1") = "6"
    & skf21("6","2","5","1","1","7","1","1") = "6"
    & skf21("6","2","5","1","1","7","2","1") = "6"
    & skf21("6","2","5","1","1","7","3","1") = "6"
    & skf21("6","2","5","1","1","7","4","1") = "6"
    & skf21("6","2","5","1","1","7","5","1") = "6"
    & skf21("6","2","5","1","1","7","6","1") = "6"
    & skf21("6","2","5","1","1","7","7","1") = "6"
    & skf21("6","2","5","1","2","1","1","1") = "5"
    & skf21("6","2","5","1","2","1","2","1") = "5"
    & skf21("6","2","5","1","2","1","3","1") = "5"
    & skf21("6","2","5","1","2","1","4","1") = "5"
    & skf21("6","2","5","1","2","1","5","1") = "5"
    & skf21("6","2","5","1","2","1","6","1") = "5"
    & skf21("6","2","5","1","2","1","7","1") = "6"
    & skf21("6","2","5","1","2","2","1","1") = "5"
    & skf21("6","2","5","1","2","2","2","1") = "5"
    & skf21("6","2","5","1","2","2","3","1") = "5"
    & skf21("6","2","5","1","2","2","4","1") = "5"
    & skf21("6","2","5","1","2","2","5","1") = "5"
    & skf21("6","2","5","1","2","2","6","1") = "5"
    & skf21("6","2","5","1","2","2","7","1") = "6"
    & skf21("6","2","5","1","2","3","1","1") = "5"
    & skf21("6","2","5","1","2","3","2","1") = "5"
    & skf21("6","2","5","1","2","3","3","1") = "5"
    & skf21("6","2","5","1","2","3","4","1") = "5"
    & skf21("6","2","5","1","2","3","5","1") = "5"
    & skf21("6","2","5","1","2","3","6","1") = "5"
    & skf21("6","2","5","1","2","3","7","1") = "6"
    & skf21("6","2","5","1","2","4","1","1") = "5"
    & skf21("6","2","5","1","2","4","2","1") = "5"
    & skf21("6","2","5","1","2","4","3","1") = "5"
    & skf21("6","2","5","1","2","4","4","1") = "5"
    & skf21("6","2","5","1","2","4","5","1") = "5"
    & skf21("6","2","5","1","2","4","6","1") = "5"
    & skf21("6","2","5","1","2","4","7","1") = "6"
    & skf21("6","2","5","1","2","5","1","1") = "5"
    & skf21("6","2","5","1","2","5","2","1") = "5"
    & skf21("6","2","5","1","2","5","3","1") = "5"
    & skf21("6","2","5","1","2","5","4","1") = "5"
    & skf21("6","2","5","1","2","5","5","1") = "5"
    & skf21("6","2","5","1","2","5","6","1") = "5"
    & skf21("6","2","5","1","2","5","7","1") = "6"
    & skf21("6","2","5","1","2","6","1","1") = "5"
    & skf21("6","2","5","1","2","6","2","1") = "5"
    & skf21("6","2","5","1","2","6","3","1") = "5"
    & skf21("6","2","5","1","2","6","4","1") = "5"
    & skf21("6","2","5","1","2","6","5","1") = "5"
    & skf21("6","2","5","1","2","6","6","1") = "5"
    & skf21("6","2","5","1","2","6","7","1") = "6"
    & skf21("6","2","5","1","2","7","1","1") = "6"
    & skf21("6","2","5","1","2","7","2","1") = "6"
    & skf21("6","2","5","1","2","7","3","1") = "6"
    & skf21("6","2","5","1","2","7","4","1") = "6"
    & skf21("6","2","5","1","2","7","5","1") = "6"
    & skf21("6","2","5","1","2","7","6","1") = "6"
    & skf21("6","2","5","1","2","7","7","1") = "6"
    & skf21("6","2","5","1","3","1","1","1") = "5"
    & skf21("6","2","5","1","3","1","2","1") = "5"
    & skf21("6","2","5","1","3","1","3","1") = "5"
    & skf21("6","2","5","1","3","1","4","1") = "5"
    & skf21("6","2","5","1","3","1","5","1") = "5"
    & skf21("6","2","5","1","3","1","6","1") = "5"
    & skf21("6","2","5","1","3","1","7","1") = "6"
    & skf21("6","2","5","1","3","2","1","1") = "5"
    & skf21("6","2","5","1","3","2","2","1") = "5"
    & skf21("6","2","5","1","3","2","3","1") = "5"
    & skf21("6","2","5","1","3","2","4","1") = "5"
    & skf21("6","2","5","1","3","2","5","1") = "5"
    & skf21("6","2","5","1","3","2","6","1") = "5"
    & skf21("6","2","5","1","3","2","7","1") = "6"
    & skf21("6","2","5","1","3","3","1","1") = "5"
    & skf21("6","2","5","1","3","3","2","1") = "5"
    & skf21("6","2","5","1","3","3","3","1") = "5"
    & skf21("6","2","5","1","3","3","4","1") = "5"
    & skf21("6","2","5","1","3","3","5","1") = "5"
    & skf21("6","2","5","1","3","3","6","1") = "5"
    & skf21("6","2","5","1","3","3","7","1") = "6"
    & skf21("6","2","5","1","3","4","1","1") = "5"
    & skf21("6","2","5","1","3","4","2","1") = "5"
    & skf21("6","2","5","1","3","4","3","1") = "5"
    & skf21("6","2","5","1","3","4","4","1") = "5"
    & skf21("6","2","5","1","3","4","5","1") = "5"
    & skf21("6","2","5","1","3","4","6","1") = "5"
    & skf21("6","2","5","1","3","4","7","1") = "6"
    & skf21("6","2","5","1","3","5","1","1") = "5"
    & skf21("6","2","5","1","3","5","2","1") = "5"
    & skf21("6","2","5","1","3","5","3","1") = "5"
    & skf21("6","2","5","1","3","5","4","1") = "5"
    & skf21("6","2","5","1","3","5","5","1") = "5"
    & skf21("6","2","5","1","3","5","6","1") = "5"
    & skf21("6","2","5","1","3","5","7","1") = "6"
    & skf21("6","2","5","1","3","6","1","1") = "5"
    & skf21("6","2","5","1","3","6","2","1") = "5"
    & skf21("6","2","5","1","3","6","3","1") = "5"
    & skf21("6","2","5","1","3","6","4","1") = "5"
    & skf21("6","2","5","1","3","6","5","1") = "5"
    & skf21("6","2","5","1","3","6","6","1") = "5"
    & skf21("6","2","5","1","3","6","7","1") = "6"
    & skf21("6","2","5","1","3","7","1","1") = "6"
    & skf21("6","2","5","1","3","7","2","1") = "6"
    & skf21("6","2","5","1","3","7","3","1") = "6"
    & skf21("6","2","5","1","3","7","4","1") = "6"
    & skf21("6","2","5","1","3","7","5","1") = "6"
    & skf21("6","2","5","1","3","7","6","1") = "6"
    & skf21("6","2","5","1","3","7","7","1") = "6"
    & skf21("6","2","5","1","4","1","1","1") = "5"
    & skf21("6","2","5","1","4","1","2","1") = "5"
    & skf21("6","2","5","1","4","1","3","1") = "5"
    & skf21("6","2","5","1","4","1","4","1") = "5"
    & skf21("6","2","5","1","4","1","5","1") = "5"
    & skf21("6","2","5","1","4","1","6","1") = "5"
    & skf21("6","2","5","1","4","1","7","1") = "6"
    & skf21("6","2","5","1","4","2","1","1") = "5"
    & skf21("6","2","5","1","4","2","2","1") = "5"
    & skf21("6","2","5","1","4","2","3","1") = "5"
    & skf21("6","2","5","1","4","2","4","1") = "5"
    & skf21("6","2","5","1","4","2","5","1") = "5"
    & skf21("6","2","5","1","4","2","6","1") = "5"
    & skf21("6","2","5","1","4","2","7","1") = "6"
    & skf21("6","2","5","1","4","3","1","1") = "5"
    & skf21("6","2","5","1","4","3","2","1") = "5"
    & skf21("6","2","5","1","4","3","3","1") = "5"
    & skf21("6","2","5","1","4","3","4","1") = "5"
    & skf21("6","2","5","1","4","3","5","1") = "5"
    & skf21("6","2","5","1","4","3","6","1") = "5"
    & skf21("6","2","5","1","4","3","7","1") = "6"
    & skf21("6","2","5","1","4","4","1","1") = "5"
    & skf21("6","2","5","1","4","4","2","1") = "5"
    & skf21("6","2","5","1","4","4","3","1") = "5"
    & skf21("6","2","5","1","4","4","4","1") = "5"
    & skf21("6","2","5","1","4","4","5","1") = "5"
    & skf21("6","2","5","1","4","4","6","1") = "5"
    & skf21("6","2","5","1","4","4","7","1") = "6"
    & skf21("6","2","5","1","4","5","1","1") = "5"
    & skf21("6","2","5","1","4","5","2","1") = "5"
    & skf21("6","2","5","1","4","5","3","1") = "5"
    & skf21("6","2","5","1","4","5","4","1") = "5"
    & skf21("6","2","5","1","4","5","5","1") = "5"
    & skf21("6","2","5","1","4","5","6","1") = "5"
    & skf21("6","2","5","1","4","5","7","1") = "6"
    & skf21("6","2","5","1","4","6","1","1") = "5"
    & skf21("6","2","5","1","4","6","2","1") = "5"
    & skf21("6","2","5","1","4","6","3","1") = "5"
    & skf21("6","2","5","1","4","6","4","1") = "5"
    & skf21("6","2","5","1","4","6","5","1") = "5"
    & skf21("6","2","5","1","4","6","6","1") = "5"
    & skf21("6","2","5","1","4","6","7","1") = "6"
    & skf21("6","2","5","1","4","7","1","1") = "6"
    & skf21("6","2","5","1","4","7","2","1") = "6"
    & skf21("6","2","5","1","4","7","3","1") = "6"
    & skf21("6","2","5","1","4","7","4","1") = "6"
    & skf21("6","2","5","1","4","7","5","1") = "6"
    & skf21("6","2","5","1","4","7","6","1") = "6"
    & skf21("6","2","5","1","4","7","7","1") = "6"
    & skf21("6","2","5","1","5","1","1","1") = "5"
    & skf21("6","2","5","1","5","1","2","1") = "5"
    & skf21("6","2","5","1","5","1","3","1") = "5"
    & skf21("6","2","5","1","5","1","4","1") = "5"
    & skf21("6","2","5","1","5","1","5","1") = "5"
    & skf21("6","2","5","1","5","1","6","1") = "5"
    & skf21("6","2","5","1","5","1","7","1") = "6"
    & skf21("6","2","5","1","5","2","1","1") = "5"
    & skf21("6","2","5","1","5","2","2","1") = "5"
    & skf21("6","2","5","1","5","2","3","1") = "5"
    & skf21("6","2","5","1","5","2","4","1") = "5"
    & skf21("6","2","5","1","5","2","5","1") = "5"
    & skf21("6","2","5","1","5","2","6","1") = "5"
    & skf21("6","2","5","1","5","2","7","1") = "6"
    & skf21("6","2","5","1","5","3","1","1") = "5"
    & skf21("6","2","5","1","5","3","2","1") = "5"
    & skf21("6","2","5","1","5","3","3","1") = "5"
    & skf21("6","2","5","1","5","3","4","1") = "5"
    & skf21("6","2","5","1","5","3","5","1") = "5"
    & skf21("6","2","5","1","5","3","6","1") = "5"
    & skf21("6","2","5","1","5","3","7","1") = "6"
    & skf21("6","2","5","1","5","4","1","1") = "5"
    & skf21("6","2","5","1","5","4","2","1") = "5"
    & skf21("6","2","5","1","5","4","3","1") = "5"
    & skf21("6","2","5","1","5","4","4","1") = "5"
    & skf21("6","2","5","1","5","4","5","1") = "5"
    & skf21("6","2","5","1","5","4","6","1") = "5"
    & skf21("6","2","5","1","5","4","7","1") = "6"
    & skf21("6","2","5","1","5","5","1","1") = "5"
    & skf21("6","2","5","1","5","5","2","1") = "5"
    & skf21("6","2","5","1","5","5","3","1") = "5"
    & skf21("6","2","5","1","5","5","4","1") = "5"
    & skf21("6","2","5","1","5","5","5","1") = "5"
    & skf21("6","2","5","1","5","5","6","1") = "5"
    & skf21("6","2","5","1","5","5","7","1") = "6"
    & skf21("6","2","5","1","5","6","1","1") = "5"
    & skf21("6","2","5","1","5","6","2","1") = "5"
    & skf21("6","2","5","1","5","6","3","1") = "5"
    & skf21("6","2","5","1","5","6","4","1") = "5"
    & skf21("6","2","5","1","5","6","5","1") = "5"
    & skf21("6","2","5","1","5","6","6","1") = "5"
    & skf21("6","2","5","1","5","6","7","1") = "6"
    & skf21("6","2","5","1","5","7","1","1") = "6"
    & skf21("6","2","5","1","5","7","2","1") = "6"
    & skf21("6","2","5","1","5","7","3","1") = "6"
    & skf21("6","2","5","1","5","7","4","1") = "6"
    & skf21("6","2","5","1","5","7","5","1") = "6"
    & skf21("6","2","5","1","5","7","6","1") = "6"
    & skf21("6","2","5","1","5","7","7","1") = "6"
    & skf21("6","2","5","1","6","1","1","1") = "5"
    & skf21("6","2","5","1","6","1","2","1") = "5"
    & skf21("6","2","5","1","6","1","3","1") = "5"
    & skf21("6","2","5","1","6","1","4","1") = "5"
    & skf21("6","2","5","1","6","1","5","1") = "5"
    & skf21("6","2","5","1","6","1","6","1") = "5"
    & skf21("6","2","5","1","6","1","7","1") = "6"
    & skf21("6","2","5","1","6","2","1","1") = "5"
    & skf21("6","2","5","1","6","2","2","1") = "5"
    & skf21("6","2","5","1","6","2","3","1") = "5"
    & skf21("6","2","5","1","6","2","4","1") = "5"
    & skf21("6","2","5","1","6","2","5","1") = "5"
    & skf21("6","2","5","1","6","2","6","1") = "5"
    & skf21("6","2","5","1","6","2","7","1") = "6"
    & skf21("6","2","5","1","6","3","1","1") = "5"
    & skf21("6","2","5","1","6","3","2","1") = "5"
    & skf21("6","2","5","1","6","3","3","1") = "5"
    & skf21("6","2","5","1","6","3","4","1") = "5"
    & skf21("6","2","5","1","6","3","5","1") = "5"
    & skf21("6","2","5","1","6","3","6","1") = "5"
    & skf21("6","2","5","1","6","3","7","1") = "6"
    & skf21("6","2","5","1","6","4","1","1") = "5"
    & skf21("6","2","5","1","6","4","2","1") = "5"
    & skf21("6","2","5","1","6","4","3","1") = "5"
    & skf21("6","2","5","1","6","4","4","1") = "5"
    & skf21("6","2","5","1","6","4","5","1") = "5"
    & skf21("6","2","5","1","6","4","6","1") = "5"
    & skf21("6","2","5","1","6","4","7","1") = "6"
    & skf21("6","2","5","1","6","5","1","1") = "5"
    & skf21("6","2","5","1","6","5","2","1") = "5"
    & skf21("6","2","5","1","6","5","3","1") = "5"
    & skf21("6","2","5","1","6","5","4","1") = "5"
    & skf21("6","2","5","1","6","5","5","1") = "5"
    & skf21("6","2","5","1","6","5","6","1") = "5"
    & skf21("6","2","5","1","6","5","7","1") = "6"
    & skf21("6","2","5","1","6","6","1","1") = "5"
    & skf21("6","2","5","1","6","6","2","1") = "5"
    & skf21("6","2","5","1","6","6","3","1") = "5"
    & skf21("6","2","5","1","6","6","4","1") = "5"
    & skf21("6","2","5","1","6","6","5","1") = "5"
    & skf21("6","2","5","1","6","6","6","1") = "5"
    & skf21("6","2","5","1","6","6","7","1") = "6"
    & skf21("6","2","5","1","6","7","1","1") = "6"
    & skf21("6","2","5","1","6","7","2","1") = "6"
    & skf21("6","2","5","1","6","7","3","1") = "6"
    & skf21("6","2","5","1","6","7","4","1") = "6"
    & skf21("6","2","5","1","6","7","5","1") = "6"
    & skf21("6","2","5","1","6","7","6","1") = "6"
    & skf21("6","2","5","1","6","7","7","1") = "6"
    & skf21("6","2","5","1","7","1","1","1") = "6"
    & skf21("6","2","5","1","7","1","2","1") = "6"
    & skf21("6","2","5","1","7","1","3","1") = "6"
    & skf21("6","2","5","1","7","1","4","1") = "6"
    & skf21("6","2","5","1","7","1","5","1") = "6"
    & skf21("6","2","5","1","7","1","6","1") = "6"
    & skf21("6","2","5","1","7","1","7","1") = "6"
    & skf21("6","2","5","1","7","2","1","1") = "6"
    & skf21("6","2","5","1","7","2","2","1") = "6"
    & skf21("6","2","5","1","7","2","3","1") = "6"
    & skf21("6","2","5","1","7","2","4","1") = "6"
    & skf21("6","2","5","1","7","2","5","1") = "6"
    & skf21("6","2","5","1","7","2","6","1") = "6"
    & skf21("6","2","5","1","7","2","7","1") = "6"
    & skf21("6","2","5","1","7","3","1","1") = "6"
    & skf21("6","2","5","1","7","3","2","1") = "6"
    & skf21("6","2","5","1","7","3","3","1") = "6"
    & skf21("6","2","5","1","7","3","4","1") = "6"
    & skf21("6","2","5","1","7","3","5","1") = "6"
    & skf21("6","2","5","1","7","3","6","1") = "6"
    & skf21("6","2","5","1","7","3","7","1") = "6"
    & skf21("6","2","5","1","7","4","1","1") = "6"
    & skf21("6","2","5","1","7","4","2","1") = "6"
    & skf21("6","2","5","1","7","4","3","1") = "6"
    & skf21("6","2","5","1","7","4","4","1") = "6"
    & skf21("6","2","5","1","7","4","5","1") = "6"
    & skf21("6","2","5","1","7","4","6","1") = "6"
    & skf21("6","2","5","1","7","4","7","1") = "6"
    & skf21("6","2","5","1","7","5","1","1") = "6"
    & skf21("6","2","5","1","7","5","2","1") = "6"
    & skf21("6","2","5","1","7","5","3","1") = "6"
    & skf21("6","2","5","1","7","5","4","1") = "6"
    & skf21("6","2","5","1","7","5","5","1") = "6"
    & skf21("6","2","5","1","7","5","6","1") = "6"
    & skf21("6","2","5","1","7","5","7","1") = "6"
    & skf21("6","2","5","1","7","6","1","1") = "6"
    & skf21("6","2","5","1","7","6","2","1") = "6"
    & skf21("6","2","5","1","7","6","3","1") = "6"
    & skf21("6","2","5","1","7","6","4","1") = "6"
    & skf21("6","2","5","1","7","6","5","1") = "6"
    & skf21("6","2","5","1","7","6","6","1") = "6"
    & skf21("6","2","5","1","7","6","7","1") = "6"
    & skf21("6","2","5","1","7","7","1","1") = "6"
    & skf21("6","2","5","1","7","7","2","1") = "6"
    & skf21("6","2","5","1","7","7","3","1") = "6"
    & skf21("6","2","5","1","7","7","4","1") = "6"
    & skf21("6","2","5","1","7","7","5","1") = "6"
    & skf21("6","2","5","1","7","7","6","1") = "6"
    & skf21("6","2","5","1","7","7","7","1") = "6"
    & skf21("6","2","5","2","1","1","1","1") = "5"
    & skf21("6","2","5","2","1","1","2","1") = "5"
    & skf21("6","2","5","2","1","1","3","1") = "5"
    & skf21("6","2","5","2","1","1","4","1") = "5"
    & skf21("6","2","5","2","1","1","5","1") = "5"
    & skf21("6","2","5","2","1","1","6","1") = "5"
    & skf21("6","2","5","2","1","1","7","1") = "6"
    & skf21("6","2","5","2","1","2","1","1") = "5"
    & skf21("6","2","5","2","1","2","2","1") = "5"
    & skf21("6","2","5","2","1","2","3","1") = "5"
    & skf21("6","2","5","2","1","2","4","1") = "5"
    & skf21("6","2","5","2","1","2","5","1") = "5"
    & skf21("6","2","5","2","1","2","6","1") = "5"
    & skf21("6","2","5","2","1","2","7","1") = "6"
    & skf21("6","2","5","2","1","3","1","1") = "5"
    & skf21("6","2","5","2","1","3","2","1") = "5"
    & skf21("6","2","5","2","1","3","3","1") = "5"
    & skf21("6","2","5","2","1","3","4","1") = "5"
    & skf21("6","2","5","2","1","3","5","1") = "5"
    & skf21("6","2","5","2","1","3","6","1") = "5"
    & skf21("6","2","5","2","1","3","7","1") = "6"
    & skf21("6","2","5","2","1","4","1","1") = "5"
    & skf21("6","2","5","2","1","4","2","1") = "5"
    & skf21("6","2","5","2","1","4","3","1") = "5"
    & skf21("6","2","5","2","1","4","4","1") = "5"
    & skf21("6","2","5","2","1","4","5","1") = "5"
    & skf21("6","2","5","2","1","4","6","1") = "5"
    & skf21("6","2","5","2","1","4","7","1") = "6"
    & skf21("6","2","5","2","1","5","1","1") = "5"
    & skf21("6","2","5","2","1","5","2","1") = "5"
    & skf21("6","2","5","2","1","5","3","1") = "5"
    & skf21("6","2","5","2","1","5","4","1") = "5"
    & skf21("6","2","5","2","1","5","5","1") = "5"
    & skf21("6","2","5","2","1","5","6","1") = "5"
    & skf21("6","2","5","2","1","5","7","1") = "6"
    & skf21("6","2","5","2","1","6","1","1") = "5"
    & skf21("6","2","5","2","1","6","2","1") = "5"
    & skf21("6","2","5","2","1","6","3","1") = "5"
    & skf21("6","2","5","2","1","6","4","1") = "5"
    & skf21("6","2","5","2","1","6","5","1") = "5"
    & skf21("6","2","5","2","1","6","6","1") = "5"
    & skf21("6","2","5","2","1","6","7","1") = "6"
    & skf21("6","2","5","2","1","7","1","1") = "6"
    & skf21("6","2","5","2","1","7","2","1") = "6"
    & skf21("6","2","5","2","1","7","3","1") = "6"
    & skf21("6","2","5","2","1","7","4","1") = "6"
    & skf21("6","2","5","2","1","7","5","1") = "6"
    & skf21("6","2","5","2","1","7","6","1") = "6"
    & skf21("6","2","5","2","1","7","7","1") = "6"
    & skf21("6","2","5","2","2","1","1","1") = "5"
    & skf21("6","2","5","2","2","1","2","1") = "5"
    & skf21("6","2","5","2","2","1","3","1") = "5"
    & skf21("6","2","5","2","2","1","4","1") = "5"
    & skf21("6","2","5","2","2","1","5","1") = "5"
    & skf21("6","2","5","2","2","1","6","1") = "5"
    & skf21("6","2","5","2","2","1","7","1") = "6"
    & skf21("6","2","5","2","2","2","1","1") = "5"
    & skf21("6","2","5","2","2","2","2","1") = "5"
    & skf21("6","2","5","2","2","2","3","1") = "5"
    & skf21("6","2","5","2","2","2","4","1") = "5"
    & skf21("6","2","5","2","2","2","5","1") = "5"
    & skf21("6","2","5","2","2","2","6","1") = "5"
    & skf21("6","2","5","2","2","2","7","1") = "6"
    & skf21("6","2","5","2","2","3","1","1") = "5"
    & skf21("6","2","5","2","2","3","2","1") = "5"
    & skf21("6","2","5","2","2","3","3","1") = "5"
    & skf21("6","2","5","2","2","3","4","1") = "5"
    & skf21("6","2","5","2","2","3","5","1") = "5"
    & skf21("6","2","5","2","2","3","6","1") = "5"
    & skf21("6","2","5","2","2","3","7","1") = "6"
    & skf21("6","2","5","2","2","4","1","1") = "5"
    & skf21("6","2","5","2","2","4","2","1") = "5"
    & skf21("6","2","5","2","2","4","3","1") = "5"
    & skf21("6","2","5","2","2","4","4","1") = "5"
    & skf21("6","2","5","2","2","4","5","1") = "5"
    & skf21("6","2","5","2","2","4","6","1") = "5"
    & skf21("6","2","5","2","2","4","7","1") = "6"
    & skf21("6","2","5","2","2","5","1","1") = "5"
    & skf21("6","2","5","2","2","5","2","1") = "5"
    & skf21("6","2","5","2","2","5","3","1") = "5"
    & skf21("6","2","5","2","2","5","4","1") = "5"
    & skf21("6","2","5","2","2","5","5","1") = "5"
    & skf21("6","2","5","2","2","5","6","1") = "5"
    & skf21("6","2","5","2","2","5","7","1") = "6"
    & skf21("6","2","5","2","2","6","1","1") = "5"
    & skf21("6","2","5","2","2","6","2","1") = "5"
    & skf21("6","2","5","2","2","6","3","1") = "5"
    & skf21("6","2","5","2","2","6","4","1") = "5"
    & skf21("6","2","5","2","2","6","5","1") = "5"
    & skf21("6","2","5","2","2","6","6","1") = "5"
    & skf21("6","2","5","2","2","6","7","1") = "6"
    & skf21("6","2","5","2","2","7","1","1") = "6"
    & skf21("6","2","5","2","2","7","2","1") = "6"
    & skf21("6","2","5","2","2","7","3","1") = "6"
    & skf21("6","2","5","2","2","7","4","1") = "6"
    & skf21("6","2","5","2","2","7","5","1") = "6"
    & skf21("6","2","5","2","2","7","6","1") = "6"
    & skf21("6","2","5","2","2","7","7","1") = "6"
    & skf21("6","2","5","2","3","1","1","1") = "5"
    & skf21("6","2","5","2","3","1","2","1") = "5"
    & skf21("6","2","5","2","3","1","3","1") = "5"
    & skf21("6","2","5","2","3","1","4","1") = "5"
    & skf21("6","2","5","2","3","1","5","1") = "5"
    & skf21("6","2","5","2","3","1","6","1") = "5"
    & skf21("6","2","5","2","3","1","7","1") = "6"
    & skf21("6","2","5","2","3","2","1","1") = "5"
    & skf21("6","2","5","2","3","2","2","1") = "5"
    & skf21("6","2","5","2","3","2","3","1") = "5"
    & skf21("6","2","5","2","3","2","4","1") = "5"
    & skf21("6","2","5","2","3","2","5","1") = "5"
    & skf21("6","2","5","2","3","2","6","1") = "5"
    & skf21("6","2","5","2","3","2","7","1") = "6"
    & skf21("6","2","5","2","3","3","1","1") = "5"
    & skf21("6","2","5","2","3","3","2","1") = "5"
    & skf21("6","2","5","2","3","3","3","1") = "5"
    & skf21("6","2","5","2","3","3","4","1") = "5"
    & skf21("6","2","5","2","3","3","5","1") = "5"
    & skf21("6","2","5","2","3","3","6","1") = "5"
    & skf21("6","2","5","2","3","3","7","1") = "6"
    & skf21("6","2","5","2","3","4","1","1") = "5"
    & skf21("6","2","5","2","3","4","2","1") = "5"
    & skf21("6","2","5","2","3","4","3","1") = "5"
    & skf21("6","2","5","2","3","4","4","1") = "5"
    & skf21("6","2","5","2","3","4","5","1") = "5"
    & skf21("6","2","5","2","3","4","6","1") = "5"
    & skf21("6","2","5","2","3","4","7","1") = "6"
    & skf21("6","2","5","2","3","5","1","1") = "5"
    & skf21("6","2","5","2","3","5","2","1") = "5"
    & skf21("6","2","5","2","3","5","3","1") = "5"
    & skf21("6","2","5","2","3","5","4","1") = "5"
    & skf21("6","2","5","2","3","5","5","1") = "5"
    & skf21("6","2","5","2","3","5","6","1") = "5"
    & skf21("6","2","5","2","3","5","7","1") = "6"
    & skf21("6","2","5","2","3","6","1","1") = "5"
    & skf21("6","2","5","2","3","6","2","1") = "5"
    & skf21("6","2","5","2","3","6","3","1") = "5"
    & skf21("6","2","5","2","3","6","4","1") = "5"
    & skf21("6","2","5","2","3","6","5","1") = "5"
    & skf21("6","2","5","2","3","6","6","1") = "5"
    & skf21("6","2","5","2","3","6","7","1") = "6"
    & skf21("6","2","5","2","3","7","1","1") = "6"
    & skf21("6","2","5","2","3","7","2","1") = "6"
    & skf21("6","2","5","2","3","7","3","1") = "6"
    & skf21("6","2","5","2","3","7","4","1") = "6"
    & skf21("6","2","5","2","3","7","5","1") = "6"
    & skf21("6","2","5","2","3","7","6","1") = "6"
    & skf21("6","2","5","2","3","7","7","1") = "6"
    & skf21("6","2","5","2","4","1","1","1") = "5"
    & skf21("6","2","5","2","4","1","2","1") = "5"
    & skf21("6","2","5","2","4","1","3","1") = "5"
    & skf21("6","2","5","2","4","1","4","1") = "5"
    & skf21("6","2","5","2","4","1","5","1") = "5"
    & skf21("6","2","5","2","4","1","6","1") = "5"
    & skf21("6","2","5","2","4","1","7","1") = "6"
    & skf21("6","2","5","2","4","2","1","1") = "5"
    & skf21("6","2","5","2","4","2","2","1") = "5"
    & skf21("6","2","5","2","4","2","3","1") = "5"
    & skf21("6","2","5","2","4","2","4","1") = "5"
    & skf21("6","2","5","2","4","2","5","1") = "5"
    & skf21("6","2","5","2","4","2","6","1") = "5"
    & skf21("6","2","5","2","4","2","7","1") = "6"
    & skf21("6","2","5","2","4","3","1","1") = "5"
    & skf21("6","2","5","2","4","3","2","1") = "5"
    & skf21("6","2","5","2","4","3","3","1") = "5"
    & skf21("6","2","5","2","4","3","4","1") = "5"
    & skf21("6","2","5","2","4","3","5","1") = "5"
    & skf21("6","2","5","2","4","3","6","1") = "5"
    & skf21("6","2","5","2","4","3","7","1") = "6"
    & skf21("6","2","5","2","4","4","1","1") = "5"
    & skf21("6","2","5","2","4","4","2","1") = "5"
    & skf21("6","2","5","2","4","4","3","1") = "5"
    & skf21("6","2","5","2","4","4","4","1") = "5"
    & skf21("6","2","5","2","4","4","5","1") = "5"
    & skf21("6","2","5","2","4","4","6","1") = "5"
    & skf21("6","2","5","2","4","4","7","1") = "6"
    & skf21("6","2","5","2","4","5","1","1") = "5"
    & skf21("6","2","5","2","4","5","2","1") = "5"
    & skf21("6","2","5","2","4","5","3","1") = "5"
    & skf21("6","2","5","2","4","5","4","1") = "5"
    & skf21("6","2","5","2","4","5","5","1") = "5"
    & skf21("6","2","5","2","4","5","6","1") = "5"
    & skf21("6","2","5","2","4","5","7","1") = "6"
    & skf21("6","2","5","2","4","6","1","1") = "5"
    & skf21("6","2","5","2","4","6","2","1") = "5"
    & skf21("6","2","5","2","4","6","3","1") = "5"
    & skf21("6","2","5","2","4","6","4","1") = "5"
    & skf21("6","2","5","2","4","6","5","1") = "5"
    & skf21("6","2","5","2","4","6","6","1") = "5"
    & skf21("6","2","5","2","4","6","7","1") = "6"
    & skf21("6","2","5","2","4","7","1","1") = "6"
    & skf21("6","2","5","2","4","7","2","1") = "6"
    & skf21("6","2","5","2","4","7","3","1") = "6"
    & skf21("6","2","5","2","4","7","4","1") = "6"
    & skf21("6","2","5","2","4","7","5","1") = "6"
    & skf21("6","2","5","2","4","7","6","1") = "6"
    & skf21("6","2","5","2","4","7","7","1") = "6"
    & skf21("6","2","5","2","5","1","1","1") = "5"
    & skf21("6","2","5","2","5","1","2","1") = "5"
    & skf21("6","2","5","2","5","1","3","1") = "5"
    & skf21("6","2","5","2","5","1","4","1") = "5"
    & skf21("6","2","5","2","5","1","5","1") = "5"
    & skf21("6","2","5","2","5","1","6","1") = "5"
    & skf21("6","2","5","2","5","1","7","1") = "6"
    & skf21("6","2","5","2","5","2","1","1") = "5"
    & skf21("6","2","5","2","5","2","2","1") = "5"
    & skf21("6","2","5","2","5","2","3","1") = "5"
    & skf21("6","2","5","2","5","2","4","1") = "5"
    & skf21("6","2","5","2","5","2","5","1") = "5"
    & skf21("6","2","5","2","5","2","6","1") = "5"
    & skf21("6","2","5","2","5","2","7","1") = "6"
    & skf21("6","2","5","2","5","3","1","1") = "5"
    & skf21("6","2","5","2","5","3","2","1") = "5"
    & skf21("6","2","5","2","5","3","3","1") = "5"
    & skf21("6","2","5","2","5","3","4","1") = "5"
    & skf21("6","2","5","2","5","3","5","1") = "5"
    & skf21("6","2","5","2","5","3","6","1") = "5"
    & skf21("6","2","5","2","5","3","7","1") = "6"
    & skf21("6","2","5","2","5","4","1","1") = "5"
    & skf21("6","2","5","2","5","4","2","1") = "5"
    & skf21("6","2","5","2","5","4","3","1") = "5"
    & skf21("6","2","5","2","5","4","4","1") = "5"
    & skf21("6","2","5","2","5","4","5","1") = "5"
    & skf21("6","2","5","2","5","4","6","1") = "5"
    & skf21("6","2","5","2","5","4","7","1") = "6"
    & skf21("6","2","5","2","5","5","1","1") = "5"
    & skf21("6","2","5","2","5","5","2","1") = "5"
    & skf21("6","2","5","2","5","5","3","1") = "5"
    & skf21("6","2","5","2","5","5","4","1") = "5"
    & skf21("6","2","5","2","5","5","5","1") = "5"
    & skf21("6","2","5","2","5","5","6","1") = "5"
    & skf21("6","2","5","2","5","5","7","1") = "6"
    & skf21("6","2","5","2","5","6","1","1") = "5"
    & skf21("6","2","5","2","5","6","2","1") = "5"
    & skf21("6","2","5","2","5","6","3","1") = "5"
    & skf21("6","2","5","2","5","6","4","1") = "5"
    & skf21("6","2","5","2","5","6","5","1") = "5"
    & skf21("6","2","5","2","5","6","6","1") = "5"
    & skf21("6","2","5","2","5","6","7","1") = "6"
    & skf21("6","2","5","2","5","7","1","1") = "6"
    & skf21("6","2","5","2","5","7","2","1") = "6"
    & skf21("6","2","5","2","5","7","3","1") = "6"
    & skf21("6","2","5","2","5","7","4","1") = "6"
    & skf21("6","2","5","2","5","7","5","1") = "6"
    & skf21("6","2","5","2","5","7","6","1") = "6"
    & skf21("6","2","5","2","5","7","7","1") = "6"
    & skf21("6","2","5","2","6","1","1","1") = "5"
    & skf21("6","2","5","2","6","1","2","1") = "5"
    & skf21("6","2","5","2","6","1","3","1") = "5"
    & skf21("6","2","5","2","6","1","4","1") = "5"
    & skf21("6","2","5","2","6","1","5","1") = "5"
    & skf21("6","2","5","2","6","1","6","1") = "5"
    & skf21("6","2","5","2","6","1","7","1") = "6"
    & skf21("6","2","5","2","6","2","1","1") = "5"
    & skf21("6","2","5","2","6","2","2","1") = "5"
    & skf21("6","2","5","2","6","2","3","1") = "5"
    & skf21("6","2","5","2","6","2","4","1") = "5"
    & skf21("6","2","5","2","6","2","5","1") = "5"
    & skf21("6","2","5","2","6","2","6","1") = "5"
    & skf21("6","2","5","2","6","2","7","1") = "6"
    & skf21("6","2","5","2","6","3","1","1") = "5"
    & skf21("6","2","5","2","6","3","2","1") = "5"
    & skf21("6","2","5","2","6","3","3","1") = "5"
    & skf21("6","2","5","2","6","3","4","1") = "5"
    & skf21("6","2","5","2","6","3","5","1") = "5"
    & skf21("6","2","5","2","6","3","6","1") = "5"
    & skf21("6","2","5","2","6","3","7","1") = "6"
    & skf21("6","2","5","2","6","4","1","1") = "5"
    & skf21("6","2","5","2","6","4","2","1") = "5"
    & skf21("6","2","5","2","6","4","3","1") = "5"
    & skf21("6","2","5","2","6","4","4","1") = "5"
    & skf21("6","2","5","2","6","4","5","1") = "5"
    & skf21("6","2","5","2","6","4","6","1") = "5"
    & skf21("6","2","5","2","6","4","7","1") = "6"
    & skf21("6","2","5","2","6","5","1","1") = "5"
    & skf21("6","2","5","2","6","5","2","1") = "5"
    & skf21("6","2","5","2","6","5","3","1") = "5"
    & skf21("6","2","5","2","6","5","4","1") = "5"
    & skf21("6","2","5","2","6","5","5","1") = "5"
    & skf21("6","2","5","2","6","5","6","1") = "5"
    & skf21("6","2","5","2","6","5","7","1") = "6"
    & skf21("6","2","5","2","6","6","1","1") = "5"
    & skf21("6","2","5","2","6","6","2","1") = "5"
    & skf21("6","2","5","2","6","6","3","1") = "5"
    & skf21("6","2","5","2","6","6","4","1") = "5"
    & skf21("6","2","5","2","6","6","5","1") = "5"
    & skf21("6","2","5","2","6","6","6","1") = "5"
    & skf21("6","2","5","2","6","6","7","1") = "6"
    & skf21("6","2","5","2","6","7","1","1") = "6"
    & skf21("6","2","5","2","6","7","2","1") = "6"
    & skf21("6","2","5","2","6","7","3","1") = "6"
    & skf21("6","2","5","2","6","7","4","1") = "6"
    & skf21("6","2","5","2","6","7","5","1") = "6"
    & skf21("6","2","5","2","6","7","6","1") = "6"
    & skf21("6","2","5","2","6","7","7","1") = "6"
    & skf21("6","2","5","2","7","1","1","1") = "6"
    & skf21("6","2","5","2","7","1","2","1") = "6"
    & skf21("6","2","5","2","7","1","3","1") = "6"
    & skf21("6","2","5","2","7","1","4","1") = "6"
    & skf21("6","2","5","2","7","1","5","1") = "6"
    & skf21("6","2","5","2","7","1","6","1") = "6"
    & skf21("6","2","5","2","7","1","7","1") = "6"
    & skf21("6","2","5","2","7","2","1","1") = "6"
    & skf21("6","2","5","2","7","2","2","1") = "6"
    & skf21("6","2","5","2","7","2","3","1") = "6"
    & skf21("6","2","5","2","7","2","4","1") = "6"
    & skf21("6","2","5","2","7","2","5","1") = "6"
    & skf21("6","2","5","2","7","2","6","1") = "6"
    & skf21("6","2","5","2","7","2","7","1") = "6"
    & skf21("6","2","5","2","7","3","1","1") = "6"
    & skf21("6","2","5","2","7","3","2","1") = "6"
    & skf21("6","2","5","2","7","3","3","1") = "6"
    & skf21("6","2","5","2","7","3","4","1") = "6"
    & skf21("6","2","5","2","7","3","5","1") = "6"
    & skf21("6","2","5","2","7","3","6","1") = "6"
    & skf21("6","2","5","2","7","3","7","1") = "6"
    & skf21("6","2","5","2","7","4","1","1") = "6"
    & skf21("6","2","5","2","7","4","2","1") = "6"
    & skf21("6","2","5","2","7","4","3","1") = "6"
    & skf21("6","2","5","2","7","4","4","1") = "6"
    & skf21("6","2","5","2","7","4","5","1") = "6"
    & skf21("6","2","5","2","7","4","6","1") = "6"
    & skf21("6","2","5","2","7","4","7","1") = "6"
    & skf21("6","2","5","2","7","5","1","1") = "6"
    & skf21("6","2","5","2","7","5","2","1") = "6"
    & skf21("6","2","5","2","7","5","3","1") = "6"
    & skf21("6","2","5","2","7","5","4","1") = "6"
    & skf21("6","2","5","2","7","5","5","1") = "6"
    & skf21("6","2","5","2","7","5","6","1") = "6"
    & skf21("6","2","5","2","7","5","7","1") = "6"
    & skf21("6","2","5","2","7","6","1","1") = "6"
    & skf21("6","2","5","2","7","6","2","1") = "6"
    & skf21("6","2","5","2","7","6","3","1") = "6"
    & skf21("6","2","5","2","7","6","4","1") = "6"
    & skf21("6","2","5","2","7","6","5","1") = "6"
    & skf21("6","2","5","2","7","6","6","1") = "6"
    & skf21("6","2","5","2","7","6","7","1") = "6"
    & skf21("6","2","5","2","7","7","1","1") = "6"
    & skf21("6","2","5","2","7","7","2","1") = "6"
    & skf21("6","2","5","2","7","7","3","1") = "6"
    & skf21("6","2","5","2","7","7","4","1") = "6"
    & skf21("6","2","5","2","7","7","5","1") = "6"
    & skf21("6","2","5","2","7","7","6","1") = "6"
    & skf21("6","2","5","2","7","7","7","1") = "6"
    & skf21("6","2","5","3","1","1","1","1") = "5"
    & skf21("6","2","5","3","1","1","2","1") = "5"
    & skf21("6","2","5","3","1","1","3","1") = "5"
    & skf21("6","2","5","3","1","1","4","1") = "5"
    & skf21("6","2","5","3","1","1","5","1") = "5"
    & skf21("6","2","5","3","1","1","6","1") = "5"
    & skf21("6","2","5","3","1","1","7","1") = "6"
    & skf21("6","2","5","3","1","2","1","1") = "5"
    & skf21("6","2","5","3","1","2","2","1") = "5"
    & skf21("6","2","5","3","1","2","3","1") = "5"
    & skf21("6","2","5","3","1","2","4","1") = "5"
    & skf21("6","2","5","3","1","2","5","1") = "5"
    & skf21("6","2","5","3","1","2","6","1") = "5"
    & skf21("6","2","5","3","1","2","7","1") = "6"
    & skf21("6","2","5","3","1","3","1","1") = "5"
    & skf21("6","2","5","3","1","3","2","1") = "5"
    & skf21("6","2","5","3","1","3","3","1") = "5"
    & skf21("6","2","5","3","1","3","4","1") = "5"
    & skf21("6","2","5","3","1","3","5","1") = "5"
    & skf21("6","2","5","3","1","3","6","1") = "5"
    & skf21("6","2","5","3","1","3","7","1") = "6"
    & skf21("6","2","5","3","1","4","1","1") = "5"
    & skf21("6","2","5","3","1","4","2","1") = "5"
    & skf21("6","2","5","3","1","4","3","1") = "5"
    & skf21("6","2","5","3","1","4","4","1") = "5"
    & skf21("6","2","5","3","1","4","5","1") = "5"
    & skf21("6","2","5","3","1","4","6","1") = "5"
    & skf21("6","2","5","3","1","4","7","1") = "6"
    & skf21("6","2","5","3","1","5","1","1") = "5"
    & skf21("6","2","5","3","1","5","2","1") = "5"
    & skf21("6","2","5","3","1","5","3","1") = "5"
    & skf21("6","2","5","3","1","5","4","1") = "5"
    & skf21("6","2","5","3","1","5","5","1") = "5"
    & skf21("6","2","5","3","1","5","6","1") = "5"
    & skf21("6","2","5","3","1","5","7","1") = "6"
    & skf21("6","2","5","3","1","6","1","1") = "5"
    & skf21("6","2","5","3","1","6","2","1") = "5"
    & skf21("6","2","5","3","1","6","3","1") = "5"
    & skf21("6","2","5","3","1","6","4","1") = "5"
    & skf21("6","2","5","3","1","6","5","1") = "5"
    & skf21("6","2","5","3","1","6","6","1") = "5"
    & skf21("6","2","5","3","1","6","7","1") = "6"
    & skf21("6","2","5","3","1","7","1","1") = "6"
    & skf21("6","2","5","3","1","7","2","1") = "6"
    & skf21("6","2","5","3","1","7","3","1") = "6"
    & skf21("6","2","5","3","1","7","4","1") = "6"
    & skf21("6","2","5","3","1","7","5","1") = "6"
    & skf21("6","2","5","3","1","7","6","1") = "6"
    & skf21("6","2","5","3","1","7","7","1") = "6"
    & skf21("6","2","5","3","2","1","1","1") = "5"
    & skf21("6","2","5","3","2","1","2","1") = "5"
    & skf21("6","2","5","3","2","1","3","1") = "5"
    & skf21("6","2","5","3","2","1","4","1") = "5"
    & skf21("6","2","5","3","2","1","5","1") = "5"
    & skf21("6","2","5","3","2","1","6","1") = "5"
    & skf21("6","2","5","3","2","1","7","1") = "6"
    & skf21("6","2","5","3","2","2","1","1") = "5"
    & skf21("6","2","5","3","2","2","2","1") = "5"
    & skf21("6","2","5","3","2","2","3","1") = "5"
    & skf21("6","2","5","3","2","2","4","1") = "5"
    & skf21("6","2","5","3","2","2","5","1") = "5"
    & skf21("6","2","5","3","2","2","6","1") = "5"
    & skf21("6","2","5","3","2","2","7","1") = "6"
    & skf21("6","2","5","3","2","3","1","1") = "5"
    & skf21("6","2","5","3","2","3","2","1") = "5"
    & skf21("6","2","5","3","2","3","3","1") = "5"
    & skf21("6","2","5","3","2","3","4","1") = "5"
    & skf21("6","2","5","3","2","3","5","1") = "5"
    & skf21("6","2","5","3","2","3","6","1") = "5"
    & skf21("6","2","5","3","2","3","7","1") = "6"
    & skf21("6","2","5","3","2","4","1","1") = "5"
    & skf21("6","2","5","3","2","4","2","1") = "5"
    & skf21("6","2","5","3","2","4","3","1") = "5"
    & skf21("6","2","5","3","2","4","4","1") = "5"
    & skf21("6","2","5","3","2","4","5","1") = "5"
    & skf21("6","2","5","3","2","4","6","1") = "5"
    & skf21("6","2","5","3","2","4","7","1") = "6"
    & skf21("6","2","5","3","2","5","1","1") = "5"
    & skf21("6","2","5","3","2","5","2","1") = "5"
    & skf21("6","2","5","3","2","5","3","1") = "5"
    & skf21("6","2","5","3","2","5","4","1") = "5"
    & skf21("6","2","5","3","2","5","5","1") = "5"
    & skf21("6","2","5","3","2","5","6","1") = "5"
    & skf21("6","2","5","3","2","5","7","1") = "6"
    & skf21("6","2","5","3","2","6","1","1") = "5"
    & skf21("6","2","5","3","2","6","2","1") = "5"
    & skf21("6","2","5","3","2","6","3","1") = "5"
    & skf21("6","2","5","3","2","6","4","1") = "5"
    & skf21("6","2","5","3","2","6","5","1") = "5"
    & skf21("6","2","5","3","2","6","6","1") = "5"
    & skf21("6","2","5","3","2","6","7","1") = "6"
    & skf21("6","2","5","3","2","7","1","1") = "6"
    & skf21("6","2","5","3","2","7","2","1") = "6"
    & skf21("6","2","5","3","2","7","3","1") = "6"
    & skf21("6","2","5","3","2","7","4","1") = "6"
    & skf21("6","2","5","3","2","7","5","1") = "6"
    & skf21("6","2","5","3","2","7","6","1") = "6"
    & skf21("6","2","5","3","2","7","7","1") = "6"
    & skf21("6","2","5","3","3","1","1","1") = "5"
    & skf21("6","2","5","3","3","1","2","1") = "5"
    & skf21("6","2","5","3","3","1","3","1") = "5"
    & skf21("6","2","5","3","3","1","4","1") = "5"
    & skf21("6","2","5","3","3","1","5","1") = "5"
    & skf21("6","2","5","3","3","1","6","1") = "5"
    & skf21("6","2","5","3","3","1","7","1") = "6"
    & skf21("6","2","5","3","3","2","1","1") = "5"
    & skf21("6","2","5","3","3","2","2","1") = "5"
    & skf21("6","2","5","3","3","2","3","1") = "5"
    & skf21("6","2","5","3","3","2","4","1") = "5"
    & skf21("6","2","5","3","3","2","5","1") = "5"
    & skf21("6","2","5","3","3","2","6","1") = "5"
    & skf21("6","2","5","3","3","2","7","1") = "6"
    & skf21("6","2","5","3","3","3","1","1") = "5"
    & skf21("6","2","5","3","3","3","2","1") = "5"
    & skf21("6","2","5","3","3","3","3","1") = "5"
    & skf21("6","2","5","3","3","3","4","1") = "5"
    & skf21("6","2","5","3","3","3","5","1") = "5"
    & skf21("6","2","5","3","3","3","6","1") = "5"
    & skf21("6","2","5","3","3","3","7","1") = "6"
    & skf21("6","2","5","3","3","4","1","1") = "5"
    & skf21("6","2","5","3","3","4","2","1") = "5"
    & skf21("6","2","5","3","3","4","3","1") = "5"
    & skf21("6","2","5","3","3","4","4","1") = "5"
    & skf21("6","2","5","3","3","4","5","1") = "5"
    & skf21("6","2","5","3","3","4","6","1") = "5"
    & skf21("6","2","5","3","3","4","7","1") = "6"
    & skf21("6","2","5","3","3","5","1","1") = "5"
    & skf21("6","2","5","3","3","5","2","1") = "5"
    & skf21("6","2","5","3","3","5","3","1") = "5"
    & skf21("6","2","5","3","3","5","4","1") = "5"
    & skf21("6","2","5","3","3","5","5","1") = "5"
    & skf21("6","2","5","3","3","5","6","1") = "5"
    & skf21("6","2","5","3","3","5","7","1") = "6"
    & skf21("6","2","5","3","3","6","1","1") = "5"
    & skf21("6","2","5","3","3","6","2","1") = "5"
    & skf21("6","2","5","3","3","6","3","1") = "5"
    & skf21("6","2","5","3","3","6","4","1") = "5"
    & skf21("6","2","5","3","3","6","5","1") = "5"
    & skf21("6","2","5","3","3","6","6","1") = "5"
    & skf21("6","2","5","3","3","6","7","1") = "6"
    & skf21("6","2","5","3","3","7","1","1") = "6"
    & skf21("6","2","5","3","3","7","2","1") = "6"
    & skf21("6","2","5","3","3","7","3","1") = "6"
    & skf21("6","2","5","3","3","7","4","1") = "6"
    & skf21("6","2","5","3","3","7","5","1") = "6"
    & skf21("6","2","5","3","3","7","6","1") = "6"
    & skf21("6","2","5","3","3","7","7","1") = "6"
    & skf21("6","2","5","3","4","1","1","1") = "5"
    & skf21("6","2","5","3","4","1","2","1") = "5"
    & skf21("6","2","5","3","4","1","3","1") = "5"
    & skf21("6","2","5","3","4","1","4","1") = "5"
    & skf21("6","2","5","3","4","1","5","1") = "5"
    & skf21("6","2","5","3","4","1","6","1") = "5"
    & skf21("6","2","5","3","4","1","7","1") = "6"
    & skf21("6","2","5","3","4","2","1","1") = "5"
    & skf21("6","2","5","3","4","2","2","1") = "5"
    & skf21("6","2","5","3","4","2","3","1") = "5"
    & skf21("6","2","5","3","4","2","4","1") = "5"
    & skf21("6","2","5","3","4","2","5","1") = "5"
    & skf21("6","2","5","3","4","2","6","1") = "5"
    & skf21("6","2","5","3","4","2","7","1") = "6"
    & skf21("6","2","5","3","4","3","1","1") = "5"
    & skf21("6","2","5","3","4","3","2","1") = "5"
    & skf21("6","2","5","3","4","3","3","1") = "5"
    & skf21("6","2","5","3","4","3","4","1") = "5"
    & skf21("6","2","5","3","4","3","5","1") = "5"
    & skf21("6","2","5","3","4","3","6","1") = "5"
    & skf21("6","2","5","3","4","3","7","1") = "6"
    & skf21("6","2","5","3","4","4","1","1") = "5"
    & skf21("6","2","5","3","4","4","2","1") = "5"
    & skf21("6","2","5","3","4","4","3","1") = "5"
    & skf21("6","2","5","3","4","4","4","1") = "5"
    & skf21("6","2","5","3","4","4","5","1") = "5"
    & skf21("6","2","5","3","4","4","6","1") = "5"
    & skf21("6","2","5","3","4","4","7","1") = "6"
    & skf21("6","2","5","3","4","5","1","1") = "5"
    & skf21("6","2","5","3","4","5","2","1") = "5"
    & skf21("6","2","5","3","4","5","3","1") = "5"
    & skf21("6","2","5","3","4","5","4","1") = "5"
    & skf21("6","2","5","3","4","5","5","1") = "5"
    & skf21("6","2","5","3","4","5","6","1") = "5"
    & skf21("6","2","5","3","4","5","7","1") = "6"
    & skf21("6","2","5","3","4","6","1","1") = "5"
    & skf21("6","2","5","3","4","6","2","1") = "5"
    & skf21("6","2","5","3","4","6","3","1") = "5"
    & skf21("6","2","5","3","4","6","4","1") = "5"
    & skf21("6","2","5","3","4","6","5","1") = "5"
    & skf21("6","2","5","3","4","6","6","1") = "5"
    & skf21("6","2","5","3","4","6","7","1") = "6"
    & skf21("6","2","5","3","4","7","1","1") = "6"
    & skf21("6","2","5","3","4","7","2","1") = "6"
    & skf21("6","2","5","3","4","7","3","1") = "6"
    & skf21("6","2","5","3","4","7","4","1") = "6"
    & skf21("6","2","5","3","4","7","5","1") = "6"
    & skf21("6","2","5","3","4","7","6","1") = "6"
    & skf21("6","2","5","3","4","7","7","1") = "6"
    & skf21("6","2","5","3","5","1","1","1") = "5"
    & skf21("6","2","5","3","5","1","2","1") = "5"
    & skf21("6","2","5","3","5","1","3","1") = "5"
    & skf21("6","2","5","3","5","1","4","1") = "5"
    & skf21("6","2","5","3","5","1","5","1") = "5"
    & skf21("6","2","5","3","5","1","6","1") = "5"
    & skf21("6","2","5","3","5","1","7","1") = "6"
    & skf21("6","2","5","3","5","2","1","1") = "5"
    & skf21("6","2","5","3","5","2","2","1") = "5"
    & skf21("6","2","5","3","5","2","3","1") = "5"
    & skf21("6","2","5","3","5","2","4","1") = "5"
    & skf21("6","2","5","3","5","2","5","1") = "5"
    & skf21("6","2","5","3","5","2","6","1") = "5"
    & skf21("6","2","5","3","5","2","7","1") = "6"
    & skf21("6","2","5","3","5","3","1","1") = "5"
    & skf21("6","2","5","3","5","3","2","1") = "5"
    & skf21("6","2","5","3","5","3","3","1") = "5"
    & skf21("6","2","5","3","5","3","4","1") = "5"
    & skf21("6","2","5","3","5","3","5","1") = "5"
    & skf21("6","2","5","3","5","3","6","1") = "5"
    & skf21("6","2","5","3","5","3","7","1") = "6"
    & skf21("6","2","5","3","5","4","1","1") = "5"
    & skf21("6","2","5","3","5","4","2","1") = "5"
    & skf21("6","2","5","3","5","4","3","1") = "5"
    & skf21("6","2","5","3","5","4","4","1") = "5"
    & skf21("6","2","5","3","5","4","5","1") = "5"
    & skf21("6","2","5","3","5","4","6","1") = "5"
    & skf21("6","2","5","3","5","4","7","1") = "6"
    & skf21("6","2","5","3","5","5","1","1") = "5"
    & skf21("6","2","5","3","5","5","2","1") = "5"
    & skf21("6","2","5","3","5","5","3","1") = "5"
    & skf21("6","2","5","3","5","5","4","1") = "5"
    & skf21("6","2","5","3","5","5","5","1") = "5"
    & skf21("6","2","5","3","5","5","6","1") = "5"
    & skf21("6","2","5","3","5","5","7","1") = "6"
    & skf21("6","2","5","3","5","6","1","1") = "5"
    & skf21("6","2","5","3","5","6","2","1") = "5"
    & skf21("6","2","5","3","5","6","3","1") = "5"
    & skf21("6","2","5","3","5","6","4","1") = "5"
    & skf21("6","2","5","3","5","6","5","1") = "5"
    & skf21("6","2","5","3","5","6","6","1") = "5"
    & skf21("6","2","5","3","5","6","7","1") = "6"
    & skf21("6","2","5","3","5","7","1","1") = "6"
    & skf21("6","2","5","3","5","7","2","1") = "6"
    & skf21("6","2","5","3","5","7","3","1") = "6"
    & skf21("6","2","5","3","5","7","4","1") = "6"
    & skf21("6","2","5","3","5","7","5","1") = "6"
    & skf21("6","2","5","3","5","7","6","1") = "6"
    & skf21("6","2","5","3","5","7","7","1") = "6"
    & skf21("6","2","5","3","6","1","1","1") = "5"
    & skf21("6","2","5","3","6","1","2","1") = "5"
    & skf21("6","2","5","3","6","1","3","1") = "5"
    & skf21("6","2","5","3","6","1","4","1") = "5"
    & skf21("6","2","5","3","6","1","5","1") = "5"
    & skf21("6","2","5","3","6","1","6","1") = "5"
    & skf21("6","2","5","3","6","1","7","1") = "6"
    & skf21("6","2","5","3","6","2","1","1") = "5"
    & skf21("6","2","5","3","6","2","2","1") = "5"
    & skf21("6","2","5","3","6","2","3","1") = "5"
    & skf21("6","2","5","3","6","2","4","1") = "5"
    & skf21("6","2","5","3","6","2","5","1") = "5"
    & skf21("6","2","5","3","6","2","6","1") = "5"
    & skf21("6","2","5","3","6","2","7","1") = "6"
    & skf21("6","2","5","3","6","3","1","1") = "5"
    & skf21("6","2","5","3","6","3","2","1") = "5"
    & skf21("6","2","5","3","6","3","3","1") = "5"
    & skf21("6","2","5","3","6","3","4","1") = "5"
    & skf21("6","2","5","3","6","3","5","1") = "5"
    & skf21("6","2","5","3","6","3","6","1") = "5"
    & skf21("6","2","5","3","6","3","7","1") = "6"
    & skf21("6","2","5","3","6","4","1","1") = "5"
    & skf21("6","2","5","3","6","4","2","1") = "5"
    & skf21("6","2","5","3","6","4","3","1") = "5"
    & skf21("6","2","5","3","6","4","4","1") = "5"
    & skf21("6","2","5","3","6","4","5","1") = "5"
    & skf21("6","2","5","3","6","4","6","1") = "5"
    & skf21("6","2","5","3","6","4","7","1") = "6"
    & skf21("6","2","5","3","6","5","1","1") = "5"
    & skf21("6","2","5","3","6","5","2","1") = "5"
    & skf21("6","2","5","3","6","5","3","1") = "5"
    & skf21("6","2","5","3","6","5","4","1") = "5"
    & skf21("6","2","5","3","6","5","5","1") = "5"
    & skf21("6","2","5","3","6","5","6","1") = "5"
    & skf21("6","2","5","3","6","5","7","1") = "6"
    & skf21("6","2","5","3","6","6","1","1") = "5"
    & skf21("6","2","5","3","6","6","2","1") = "5"
    & skf21("6","2","5","3","6","6","3","1") = "5"
    & skf21("6","2","5","3","6","6","4","1") = "5"
    & skf21("6","2","5","3","6","6","5","1") = "5"
    & skf21("6","2","5","3","6","6","6","1") = "5"
    & skf21("6","2","5","3","6","6","7","1") = "6"
    & skf21("6","2","5","3","6","7","1","1") = "6"
    & skf21("6","2","5","3","6","7","2","1") = "6"
    & skf21("6","2","5","3","6","7","3","1") = "6"
    & skf21("6","2","5","3","6","7","4","1") = "6"
    & skf21("6","2","5","3","6","7","5","1") = "6"
    & skf21("6","2","5","3","6","7","6","1") = "6"
    & skf21("6","2","5","3","6","7","7","1") = "6"
    & skf21("6","2","5","3","7","1","1","1") = "6"
    & skf21("6","2","5","3","7","1","2","1") = "6"
    & skf21("6","2","5","3","7","1","3","1") = "6"
    & skf21("6","2","5","3","7","1","4","1") = "6"
    & skf21("6","2","5","3","7","1","5","1") = "6"
    & skf21("6","2","5","3","7","1","6","1") = "6"
    & skf21("6","2","5","3","7","1","7","1") = "6"
    & skf21("6","2","5","3","7","2","1","1") = "6"
    & skf21("6","2","5","3","7","2","2","1") = "6"
    & skf21("6","2","5","3","7","2","3","1") = "6"
    & skf21("6","2","5","3","7","2","4","1") = "6"
    & skf21("6","2","5","3","7","2","5","1") = "6"
    & skf21("6","2","5","3","7","2","6","1") = "6"
    & skf21("6","2","5","3","7","2","7","1") = "6"
    & skf21("6","2","5","3","7","3","1","1") = "6"
    & skf21("6","2","5","3","7","3","2","1") = "6"
    & skf21("6","2","5","3","7","3","3","1") = "6"
    & skf21("6","2","5","3","7","3","4","1") = "6"
    & skf21("6","2","5","3","7","3","5","1") = "6"
    & skf21("6","2","5","3","7","3","6","1") = "6"
    & skf21("6","2","5","3","7","3","7","1") = "6"
    & skf21("6","2","5","3","7","4","1","1") = "6"
    & skf21("6","2","5","3","7","4","2","1") = "6"
    & skf21("6","2","5","3","7","4","3","1") = "6"
    & skf21("6","2","5","3","7","4","4","1") = "6"
    & skf21("6","2","5","3","7","4","5","1") = "6"
    & skf21("6","2","5","3","7","4","6","1") = "6"
    & skf21("6","2","5","3","7","4","7","1") = "6"
    & skf21("6","2","5","3","7","5","1","1") = "6"
    & skf21("6","2","5","3","7","5","2","1") = "6"
    & skf21("6","2","5","3","7","5","3","1") = "6"
    & skf21("6","2","5","3","7","5","4","1") = "6"
    & skf21("6","2","5","3","7","5","5","1") = "6"
    & skf21("6","2","5","3","7","5","6","1") = "6"
    & skf21("6","2","5","3","7","5","7","1") = "6"
    & skf21("6","2","5","3","7","6","1","1") = "6"
    & skf21("6","2","5","3","7","6","2","1") = "6"
    & skf21("6","2","5","3","7","6","3","1") = "6"
    & skf21("6","2","5","3","7","6","4","1") = "6"
    & skf21("6","2","5","3","7","6","5","1") = "6"
    & skf21("6","2","5","3","7","6","6","1") = "6"
    & skf21("6","2","5","3","7","6","7","1") = "6"
    & skf21("6","2","5","3","7","7","1","1") = "6"
    & skf21("6","2","5","3","7","7","2","1") = "6"
    & skf21("6","2","5","3","7","7","3","1") = "6"
    & skf21("6","2","5","3","7","7","4","1") = "6"
    & skf21("6","2","5","3","7","7","5","1") = "6"
    & skf21("6","2","5","3","7","7","6","1") = "6"
    & skf21("6","2","5","3","7","7","7","1") = "6"
    & skf21("6","2","5","4","1","1","1","1") = "5"
    & skf21("6","2","5","4","1","1","2","1") = "5"
    & skf21("6","2","5","4","1","1","3","1") = "5"
    & skf21("6","2","5","4","1","1","4","1") = "5"
    & skf21("6","2","5","4","1","1","5","1") = "5"
    & skf21("6","2","5","4","1","1","6","1") = "5"
    & skf21("6","2","5","4","1","1","7","1") = "6"
    & skf21("6","2","5","4","1","2","1","1") = "5"
    & skf21("6","2","5","4","1","2","2","1") = "5"
    & skf21("6","2","5","4","1","2","3","1") = "5"
    & skf21("6","2","5","4","1","2","4","1") = "5"
    & skf21("6","2","5","4","1","2","5","1") = "5"
    & skf21("6","2","5","4","1","2","6","1") = "5"
    & skf21("6","2","5","4","1","2","7","1") = "6"
    & skf21("6","2","5","4","1","3","1","1") = "5"
    & skf21("6","2","5","4","1","3","2","1") = "5"
    & skf21("6","2","5","4","1","3","3","1") = "5"
    & skf21("6","2","5","4","1","3","4","1") = "5"
    & skf21("6","2","5","4","1","3","5","1") = "5"
    & skf21("6","2","5","4","1","3","6","1") = "5"
    & skf21("6","2","5","4","1","3","7","1") = "6"
    & skf21("6","2","5","4","1","4","1","1") = "5"
    & skf21("6","2","5","4","1","4","2","1") = "5"
    & skf21("6","2","5","4","1","4","3","1") = "5"
    & skf21("6","2","5","4","1","4","4","1") = "5"
    & skf21("6","2","5","4","1","4","5","1") = "5"
    & skf21("6","2","5","4","1","4","6","1") = "5"
    & skf21("6","2","5","4","1","4","7","1") = "6"
    & skf21("6","2","5","4","1","5","1","1") = "5"
    & skf21("6","2","5","4","1","5","2","1") = "5"
    & skf21("6","2","5","4","1","5","3","1") = "5"
    & skf21("6","2","5","4","1","5","4","1") = "5"
    & skf21("6","2","5","4","1","5","5","1") = "5"
    & skf21("6","2","5","4","1","5","6","1") = "5"
    & skf21("6","2","5","4","1","5","7","1") = "6"
    & skf21("6","2","5","4","1","6","1","1") = "5"
    & skf21("6","2","5","4","1","6","2","1") = "5"
    & skf21("6","2","5","4","1","6","3","1") = "5"
    & skf21("6","2","5","4","1","6","4","1") = "5"
    & skf21("6","2","5","4","1","6","5","1") = "5"
    & skf21("6","2","5","4","1","6","6","1") = "5"
    & skf21("6","2","5","4","1","6","7","1") = "6"
    & skf21("6","2","5","4","1","7","1","1") = "6"
    & skf21("6","2","5","4","1","7","2","1") = "6"
    & skf21("6","2","5","4","1","7","3","1") = "6"
    & skf21("6","2","5","4","1","7","4","1") = "6"
    & skf21("6","2","5","4","1","7","5","1") = "6"
    & skf21("6","2","5","4","1","7","6","1") = "6"
    & skf21("6","2","5","4","1","7","7","1") = "6"
    & skf21("6","2","5","4","2","1","1","1") = "5"
    & skf21("6","2","5","4","2","1","2","1") = "5"
    & skf21("6","2","5","4","2","1","3","1") = "5"
    & skf21("6","2","5","4","2","1","4","1") = "5"
    & skf21("6","2","5","4","2","1","5","1") = "5"
    & skf21("6","2","5","4","2","1","6","1") = "5"
    & skf21("6","2","5","4","2","1","7","1") = "6"
    & skf21("6","2","5","4","2","2","1","1") = "5"
    & skf21("6","2","5","4","2","2","2","1") = "5"
    & skf21("6","2","5","4","2","2","3","1") = "5"
    & skf21("6","2","5","4","2","2","4","1") = "5"
    & skf21("6","2","5","4","2","2","5","1") = "5"
    & skf21("6","2","5","4","2","2","6","1") = "5"
    & skf21("6","2","5","4","2","2","7","1") = "6"
    & skf21("6","2","5","4","2","3","1","1") = "5"
    & skf21("6","2","5","4","2","3","2","1") = "5"
    & skf21("6","2","5","4","2","3","3","1") = "5"
    & skf21("6","2","5","4","2","3","4","1") = "5"
    & skf21("6","2","5","4","2","3","5","1") = "5"
    & skf21("6","2","5","4","2","3","6","1") = "5"
    & skf21("6","2","5","4","2","3","7","1") = "6"
    & skf21("6","2","5","4","2","4","1","1") = "5"
    & skf21("6","2","5","4","2","4","2","1") = "5"
    & skf21("6","2","5","4","2","4","3","1") = "5"
    & skf21("6","2","5","4","2","4","4","1") = "5"
    & skf21("6","2","5","4","2","4","5","1") = "5"
    & skf21("6","2","5","4","2","4","6","1") = "5"
    & skf21("6","2","5","4","2","4","7","1") = "6"
    & skf21("6","2","5","4","2","5","1","1") = "5"
    & skf21("6","2","5","4","2","5","2","1") = "5"
    & skf21("6","2","5","4","2","5","3","1") = "5"
    & skf21("6","2","5","4","2","5","4","1") = "5"
    & skf21("6","2","5","4","2","5","5","1") = "5"
    & skf21("6","2","5","4","2","5","6","1") = "5"
    & skf21("6","2","5","4","2","5","7","1") = "6"
    & skf21("6","2","5","4","2","6","1","1") = "5"
    & skf21("6","2","5","4","2","6","2","1") = "5"
    & skf21("6","2","5","4","2","6","3","1") = "5"
    & skf21("6","2","5","4","2","6","4","1") = "5"
    & skf21("6","2","5","4","2","6","5","1") = "5"
    & skf21("6","2","5","4","2","6","6","1") = "5"
    & skf21("6","2","5","4","2","6","7","1") = "6"
    & skf21("6","2","5","4","2","7","1","1") = "6"
    & skf21("6","2","5","4","2","7","2","1") = "6"
    & skf21("6","2","5","4","2","7","3","1") = "6"
    & skf21("6","2","5","4","2","7","4","1") = "6"
    & skf21("6","2","5","4","2","7","5","1") = "6"
    & skf21("6","2","5","4","2","7","6","1") = "6"
    & skf21("6","2","5","4","2","7","7","1") = "6"
    & skf21("6","2","5","4","3","1","1","1") = "5"
    & skf21("6","2","5","4","3","1","2","1") = "5"
    & skf21("6","2","5","4","3","1","3","1") = "5"
    & skf21("6","2","5","4","3","1","4","1") = "5"
    & skf21("6","2","5","4","3","1","5","1") = "5"
    & skf21("6","2","5","4","3","1","6","1") = "5"
    & skf21("6","2","5","4","3","1","7","1") = "6"
    & skf21("6","2","5","4","3","2","1","1") = "5"
    & skf21("6","2","5","4","3","2","2","1") = "5"
    & skf21("6","2","5","4","3","2","3","1") = "5"
    & skf21("6","2","5","4","3","2","4","1") = "5"
    & skf21("6","2","5","4","3","2","5","1") = "5"
    & skf21("6","2","5","4","3","2","6","1") = "5"
    & skf21("6","2","5","4","3","2","7","1") = "6"
    & skf21("6","2","5","4","3","3","1","1") = "5"
    & skf21("6","2","5","4","3","3","2","1") = "5"
    & skf21("6","2","5","4","3","3","3","1") = "5"
    & skf21("6","2","5","4","3","3","4","1") = "5"
    & skf21("6","2","5","4","3","3","5","1") = "5"
    & skf21("6","2","5","4","3","3","6","1") = "5"
    & skf21("6","2","5","4","3","3","7","1") = "6"
    & skf21("6","2","5","4","3","4","1","1") = "5"
    & skf21("6","2","5","4","3","4","2","1") = "5"
    & skf21("6","2","5","4","3","4","3","1") = "5"
    & skf21("6","2","5","4","3","4","4","1") = "5"
    & skf21("6","2","5","4","3","4","5","1") = "5"
    & skf21("6","2","5","4","3","4","6","1") = "5"
    & skf21("6","2","5","4","3","4","7","1") = "6"
    & skf21("6","2","5","4","3","5","1","1") = "5"
    & skf21("6","2","5","4","3","5","2","1") = "5"
    & skf21("6","2","5","4","3","5","3","1") = "5"
    & skf21("6","2","5","4","3","5","4","1") = "5"
    & skf21("6","2","5","4","3","5","5","1") = "5"
    & skf21("6","2","5","4","3","5","6","1") = "5"
    & skf21("6","2","5","4","3","5","7","1") = "6"
    & skf21("6","2","5","4","3","6","1","1") = "5"
    & skf21("6","2","5","4","3","6","2","1") = "5"
    & skf21("6","2","5","4","3","6","3","1") = "5"
    & skf21("6","2","5","4","3","6","4","1") = "5"
    & skf21("6","2","5","4","3","6","5","1") = "5"
    & skf21("6","2","5","4","3","6","6","1") = "5"
    & skf21("6","2","5","4","3","6","7","1") = "6"
    & skf21("6","2","5","4","3","7","1","1") = "6"
    & skf21("6","2","5","4","3","7","2","1") = "6"
    & skf21("6","2","5","4","3","7","3","1") = "6"
    & skf21("6","2","5","4","3","7","4","1") = "6"
    & skf21("6","2","5","4","3","7","5","1") = "6"
    & skf21("6","2","5","4","3","7","6","1") = "6"
    & skf21("6","2","5","4","3","7","7","1") = "6"
    & skf21("6","2","5","4","4","1","1","1") = "5"
    & skf21("6","2","5","4","4","1","2","1") = "5"
    & skf21("6","2","5","4","4","1","3","1") = "5"
    & skf21("6","2","5","4","4","1","4","1") = "5"
    & skf21("6","2","5","4","4","1","5","1") = "5"
    & skf21("6","2","5","4","4","1","6","1") = "5"
    & skf21("6","2","5","4","4","1","7","1") = "6"
    & skf21("6","2","5","4","4","2","1","1") = "5"
    & skf21("6","2","5","4","4","2","2","1") = "5"
    & skf21("6","2","5","4","4","2","3","1") = "5"
    & skf21("6","2","5","4","4","2","4","1") = "5"
    & skf21("6","2","5","4","4","2","5","1") = "5"
    & skf21("6","2","5","4","4","2","6","1") = "5"
    & skf21("6","2","5","4","4","2","7","1") = "6"
    & skf21("6","2","5","4","4","3","1","1") = "5"
    & skf21("6","2","5","4","4","3","2","1") = "5"
    & skf21("6","2","5","4","4","3","3","1") = "5"
    & skf21("6","2","5","4","4","3","4","1") = "5"
    & skf21("6","2","5","4","4","3","5","1") = "5"
    & skf21("6","2","5","4","4","3","6","1") = "5"
    & skf21("6","2","5","4","4","3","7","1") = "6"
    & skf21("6","2","5","4","4","4","1","1") = "5"
    & skf21("6","2","5","4","4","4","2","1") = "5"
    & skf21("6","2","5","4","4","4","3","1") = "5"
    & skf21("6","2","5","4","4","4","4","1") = "5"
    & skf21("6","2","5","4","4","4","5","1") = "5"
    & skf21("6","2","5","4","4","4","6","1") = "5"
    & skf21("6","2","5","4","4","4","7","1") = "6"
    & skf21("6","2","5","4","4","5","1","1") = "5"
    & skf21("6","2","5","4","4","5","2","1") = "5"
    & skf21("6","2","5","4","4","5","3","1") = "5"
    & skf21("6","2","5","4","4","5","4","1") = "5"
    & skf21("6","2","5","4","4","5","5","1") = "5"
    & skf21("6","2","5","4","4","5","6","1") = "5"
    & skf21("6","2","5","4","4","5","7","1") = "6"
    & skf21("6","2","5","4","4","6","1","1") = "5"
    & skf21("6","2","5","4","4","6","2","1") = "5"
    & skf21("6","2","5","4","4","6","3","1") = "5"
    & skf21("6","2","5","4","4","6","4","1") = "5"
    & skf21("6","2","5","4","4","6","5","1") = "5"
    & skf21("6","2","5","4","4","6","6","1") = "5"
    & skf21("6","2","5","4","4","6","7","1") = "6"
    & skf21("6","2","5","4","4","7","1","1") = "6"
    & skf21("6","2","5","4","4","7","2","1") = "6"
    & skf21("6","2","5","4","4","7","3","1") = "6"
    & skf21("6","2","5","4","4","7","4","1") = "6"
    & skf21("6","2","5","4","4","7","5","1") = "6"
    & skf21("6","2","5","4","4","7","6","1") = "6"
    & skf21("6","2","5","4","4","7","7","1") = "6"
    & skf21("6","2","5","4","5","1","1","1") = "5"
    & skf21("6","2","5","4","5","1","2","1") = "5"
    & skf21("6","2","5","4","5","1","3","1") = "5"
    & skf21("6","2","5","4","5","1","4","1") = "5"
    & skf21("6","2","5","4","5","1","5","1") = "5"
    & skf21("6","2","5","4","5","1","6","1") = "5"
    & skf21("6","2","5","4","5","1","7","1") = "6"
    & skf21("6","2","5","4","5","2","1","1") = "5"
    & skf21("6","2","5","4","5","2","2","1") = "5"
    & skf21("6","2","5","4","5","2","3","1") = "5"
    & skf21("6","2","5","4","5","2","4","1") = "5"
    & skf21("6","2","5","4","5","2","5","1") = "5"
    & skf21("6","2","5","4","5","2","6","1") = "5"
    & skf21("6","2","5","4","5","2","7","1") = "6"
    & skf21("6","2","5","4","5","3","1","1") = "5"
    & skf21("6","2","5","4","5","3","2","1") = "5"
    & skf21("6","2","5","4","5","3","3","1") = "5"
    & skf21("6","2","5","4","5","3","4","1") = "5"
    & skf21("6","2","5","4","5","3","5","1") = "5"
    & skf21("6","2","5","4","5","3","6","1") = "5"
    & skf21("6","2","5","4","5","3","7","1") = "6"
    & skf21("6","2","5","4","5","4","1","1") = "5"
    & skf21("6","2","5","4","5","4","2","1") = "5"
    & skf21("6","2","5","4","5","4","3","1") = "5"
    & skf21("6","2","5","4","5","4","4","1") = "5"
    & skf21("6","2","5","4","5","4","5","1") = "5"
    & skf21("6","2","5","4","5","4","6","1") = "5"
    & skf21("6","2","5","4","5","4","7","1") = "6"
    & skf21("6","2","5","4","5","5","1","1") = "5"
    & skf21("6","2","5","4","5","5","2","1") = "5"
    & skf21("6","2","5","4","5","5","3","1") = "5"
    & skf21("6","2","5","4","5","5","4","1") = "5"
    & skf21("6","2","5","4","5","5","5","1") = "5"
    & skf21("6","2","5","4","5","5","6","1") = "5"
    & skf21("6","2","5","4","5","5","7","1") = "6"
    & skf21("6","2","5","4","5","6","1","1") = "5"
    & skf21("6","2","5","4","5","6","2","1") = "5"
    & skf21("6","2","5","4","5","6","3","1") = "5"
    & skf21("6","2","5","4","5","6","4","1") = "5"
    & skf21("6","2","5","4","5","6","5","1") = "5"
    & skf21("6","2","5","4","5","6","6","1") = "5"
    & skf21("6","2","5","4","5","6","7","1") = "6"
    & skf21("6","2","5","4","5","7","1","1") = "6"
    & skf21("6","2","5","4","5","7","2","1") = "6"
    & skf21("6","2","5","4","5","7","3","1") = "6"
    & skf21("6","2","5","4","5","7","4","1") = "6"
    & skf21("6","2","5","4","5","7","5","1") = "6"
    & skf21("6","2","5","4","5","7","6","1") = "6"
    & skf21("6","2","5","4","5","7","7","1") = "6"
    & skf21("6","2","5","4","6","1","1","1") = "5"
    & skf21("6","2","5","4","6","1","2","1") = "5"
    & skf21("6","2","5","4","6","1","3","1") = "5"
    & skf21("6","2","5","4","6","1","4","1") = "5"
    & skf21("6","2","5","4","6","1","5","1") = "5"
    & skf21("6","2","5","4","6","1","6","1") = "5"
    & skf21("6","2","5","4","6","1","7","1") = "6"
    & skf21("6","2","5","4","6","2","1","1") = "5"
    & skf21("6","2","5","4","6","2","2","1") = "5"
    & skf21("6","2","5","4","6","2","3","1") = "5"
    & skf21("6","2","5","4","6","2","4","1") = "5"
    & skf21("6","2","5","4","6","2","5","1") = "5"
    & skf21("6","2","5","4","6","2","6","1") = "5"
    & skf21("6","2","5","4","6","2","7","1") = "6"
    & skf21("6","2","5","4","6","3","1","1") = "5"
    & skf21("6","2","5","4","6","3","2","1") = "5"
    & skf21("6","2","5","4","6","3","3","1") = "5"
    & skf21("6","2","5","4","6","3","4","1") = "5"
    & skf21("6","2","5","4","6","3","5","1") = "5"
    & skf21("6","2","5","4","6","3","6","1") = "5"
    & skf21("6","2","5","4","6","3","7","1") = "6"
    & skf21("6","2","5","4","6","4","1","1") = "5"
    & skf21("6","2","5","4","6","4","2","1") = "5"
    & skf21("6","2","5","4","6","4","3","1") = "5"
    & skf21("6","2","5","4","6","4","4","1") = "5"
    & skf21("6","2","5","4","6","4","5","1") = "5"
    & skf21("6","2","5","4","6","4","6","1") = "5"
    & skf21("6","2","5","4","6","4","7","1") = "6"
    & skf21("6","2","5","4","6","5","1","1") = "5"
    & skf21("6","2","5","4","6","5","2","1") = "5"
    & skf21("6","2","5","4","6","5","3","1") = "5"
    & skf21("6","2","5","4","6","5","4","1") = "5"
    & skf21("6","2","5","4","6","5","5","1") = "5"
    & skf21("6","2","5","4","6","5","6","1") = "5"
    & skf21("6","2","5","4","6","5","7","1") = "6"
    & skf21("6","2","5","4","6","6","1","1") = "5"
    & skf21("6","2","5","4","6","6","2","1") = "5"
    & skf21("6","2","5","4","6","6","3","1") = "5"
    & skf21("6","2","5","4","6","6","4","1") = "5"
    & skf21("6","2","5","4","6","6","5","1") = "5"
    & skf21("6","2","5","4","6","6","6","1") = "5"
    & skf21("6","2","5","4","6","6","7","1") = "6"
    & skf21("6","2","5","4","6","7","1","1") = "6"
    & skf21("6","2","5","4","6","7","2","1") = "6"
    & skf21("6","2","5","4","6","7","3","1") = "6"
    & skf21("6","2","5","4","6","7","4","1") = "6"
    & skf21("6","2","5","4","6","7","5","1") = "6"
    & skf21("6","2","5","4","6","7","6","1") = "6"
    & skf21("6","2","5","4","6","7","7","1") = "6"
    & skf21("6","2","5","4","7","1","1","1") = "6"
    & skf21("6","2","5","4","7","1","2","1") = "6"
    & skf21("6","2","5","4","7","1","3","1") = "6"
    & skf21("6","2","5","4","7","1","4","1") = "6"
    & skf21("6","2","5","4","7","1","5","1") = "6"
    & skf21("6","2","5","4","7","1","6","1") = "6"
    & skf21("6","2","5","4","7","1","7","1") = "6"
    & skf21("6","2","5","4","7","2","1","1") = "6"
    & skf21("6","2","5","4","7","2","2","1") = "6"
    & skf21("6","2","5","4","7","2","3","1") = "6"
    & skf21("6","2","5","4","7","2","4","1") = "6"
    & skf21("6","2","5","4","7","2","5","1") = "6"
    & skf21("6","2","5","4","7","2","6","1") = "6"
    & skf21("6","2","5","4","7","2","7","1") = "6"
    & skf21("6","2","5","4","7","3","1","1") = "6"
    & skf21("6","2","5","4","7","3","2","1") = "6"
    & skf21("6","2","5","4","7","3","3","1") = "6"
    & skf21("6","2","5","4","7","3","4","1") = "6"
    & skf21("6","2","5","4","7","3","5","1") = "6"
    & skf21("6","2","5","4","7","3","6","1") = "6"
    & skf21("6","2","5","4","7","3","7","1") = "6"
    & skf21("6","2","5","4","7","4","1","1") = "6"
    & skf21("6","2","5","4","7","4","2","1") = "6"
    & skf21("6","2","5","4","7","4","3","1") = "6"
    & skf21("6","2","5","4","7","4","4","1") = "6"
    & skf21("6","2","5","4","7","4","5","1") = "6"
    & skf21("6","2","5","4","7","4","6","1") = "6"
    & skf21("6","2","5","4","7","4","7","1") = "6"
    & skf21("6","2","5","4","7","5","1","1") = "6"
    & skf21("6","2","5","4","7","5","2","1") = "6"
    & skf21("6","2","5","4","7","5","3","1") = "6"
    & skf21("6","2","5","4","7","5","4","1") = "6"
    & skf21("6","2","5","4","7","5","5","1") = "6"
    & skf21("6","2","5","4","7","5","6","1") = "6"
    & skf21("6","2","5","4","7","5","7","1") = "6"
    & skf21("6","2","5","4","7","6","1","1") = "6"
    & skf21("6","2","5","4","7","6","2","1") = "6"
    & skf21("6","2","5","4","7","6","3","1") = "6"
    & skf21("6","2","5","4","7","6","4","1") = "6"
    & skf21("6","2","5","4","7","6","5","1") = "6"
    & skf21("6","2","5","4","7","6","6","1") = "6"
    & skf21("6","2","5","4","7","6","7","1") = "6"
    & skf21("6","2","5","4","7","7","1","1") = "6"
    & skf21("6","2","5","4","7","7","2","1") = "6"
    & skf21("6","2","5","4","7","7","3","1") = "6"
    & skf21("6","2","5","4","7","7","4","1") = "6"
    & skf21("6","2","5","4","7","7","5","1") = "6"
    & skf21("6","2","5","4","7","7","6","1") = "6"
    & skf21("6","2","5","4","7","7","7","1") = "6"
    & skf21("6","2","5","5","1","1","1","1") = "5"
    & skf21("6","2","5","5","1","1","2","1") = "5"
    & skf21("6","2","5","5","1","1","3","1") = "5"
    & skf21("6","2","5","5","1","1","4","1") = "5"
    & skf21("6","2","5","5","1","1","5","1") = "5"
    & skf21("6","2","5","5","1","1","6","1") = "5"
    & skf21("6","2","5","5","1","1","7","1") = "6"
    & skf21("6","2","5","5","1","2","1","1") = "5"
    & skf21("6","2","5","5","1","2","2","1") = "5"
    & skf21("6","2","5","5","1","2","3","1") = "5"
    & skf21("6","2","5","5","1","2","4","1") = "5"
    & skf21("6","2","5","5","1","2","5","1") = "5"
    & skf21("6","2","5","5","1","2","6","1") = "5"
    & skf21("6","2","5","5","1","2","7","1") = "6"
    & skf21("6","2","5","5","1","3","1","1") = "5"
    & skf21("6","2","5","5","1","3","2","1") = "5"
    & skf21("6","2","5","5","1","3","3","1") = "5"
    & skf21("6","2","5","5","1","3","4","1") = "5"
    & skf21("6","2","5","5","1","3","5","1") = "5"
    & skf21("6","2","5","5","1","3","6","1") = "5"
    & skf21("6","2","5","5","1","3","7","1") = "6"
    & skf21("6","2","5","5","1","4","1","1") = "5"
    & skf21("6","2","5","5","1","4","2","1") = "5"
    & skf21("6","2","5","5","1","4","3","1") = "5"
    & skf21("6","2","5","5","1","4","4","1") = "5"
    & skf21("6","2","5","5","1","4","5","1") = "5"
    & skf21("6","2","5","5","1","4","6","1") = "5"
    & skf21("6","2","5","5","1","4","7","1") = "6"
    & skf21("6","2","5","5","1","5","1","1") = "5"
    & skf21("6","2","5","5","1","5","2","1") = "5"
    & skf21("6","2","5","5","1","5","3","1") = "5"
    & skf21("6","2","5","5","1","5","4","1") = "5"
    & skf21("6","2","5","5","1","5","5","1") = "5"
    & skf21("6","2","5","5","1","5","6","1") = "5"
    & skf21("6","2","5","5","1","5","7","1") = "6"
    & skf21("6","2","5","5","1","6","1","1") = "5"
    & skf21("6","2","5","5","1","6","2","1") = "5"
    & skf21("6","2","5","5","1","6","3","1") = "5"
    & skf21("6","2","5","5","1","6","4","1") = "5"
    & skf21("6","2","5","5","1","6","5","1") = "5"
    & skf21("6","2","5","5","1","6","6","1") = "5"
    & skf21("6","2","5","5","1","6","7","1") = "6"
    & skf21("6","2","5","5","1","7","1","1") = "6"
    & skf21("6","2","5","5","1","7","2","1") = "6"
    & skf21("6","2","5","5","1","7","3","1") = "6"
    & skf21("6","2","5","5","1","7","4","1") = "6"
    & skf21("6","2","5","5","1","7","5","1") = "6"
    & skf21("6","2","5","5","1","7","6","1") = "6"
    & skf21("6","2","5","5","1","7","7","1") = "6"
    & skf21("6","2","5","5","2","1","1","1") = "5"
    & skf21("6","2","5","5","2","1","2","1") = "5"
    & skf21("6","2","5","5","2","1","3","1") = "5"
    & skf21("6","2","5","5","2","1","4","1") = "5"
    & skf21("6","2","5","5","2","1","5","1") = "5"
    & skf21("6","2","5","5","2","1","6","1") = "5"
    & skf21("6","2","5","5","2","1","7","1") = "6"
    & skf21("6","2","5","5","2","2","1","1") = "5"
    & skf21("6","2","5","5","2","2","2","1") = "5"
    & skf21("6","2","5","5","2","2","3","1") = "5"
    & skf21("6","2","5","5","2","2","4","1") = "5"
    & skf21("6","2","5","5","2","2","5","1") = "5"
    & skf21("6","2","5","5","2","2","6","1") = "5"
    & skf21("6","2","5","5","2","2","7","1") = "6"
    & skf21("6","2","5","5","2","3","1","1") = "5"
    & skf21("6","2","5","5","2","3","2","1") = "5"
    & skf21("6","2","5","5","2","3","3","1") = "5"
    & skf21("6","2","5","5","2","3","4","1") = "5"
    & skf21("6","2","5","5","2","3","5","1") = "5"
    & skf21("6","2","5","5","2","3","6","1") = "5"
    & skf21("6","2","5","5","2","3","7","1") = "6"
    & skf21("6","2","5","5","2","4","1","1") = "5"
    & skf21("6","2","5","5","2","4","2","1") = "5"
    & skf21("6","2","5","5","2","4","3","1") = "5"
    & skf21("6","2","5","5","2","4","4","1") = "5"
    & skf21("6","2","5","5","2","4","5","1") = "5"
    & skf21("6","2","5","5","2","4","6","1") = "5"
    & skf21("6","2","5","5","2","4","7","1") = "6"
    & skf21("6","2","5","5","2","5","1","1") = "5"
    & skf21("6","2","5","5","2","5","2","1") = "5"
    & skf21("6","2","5","5","2","5","3","1") = "5"
    & skf21("6","2","5","5","2","5","4","1") = "5"
    & skf21("6","2","5","5","2","5","5","1") = "5"
    & skf21("6","2","5","5","2","5","6","1") = "5"
    & skf21("6","2","5","5","2","5","7","1") = "6"
    & skf21("6","2","5","5","2","6","1","1") = "5"
    & skf21("6","2","5","5","2","6","2","1") = "5"
    & skf21("6","2","5","5","2","6","3","1") = "5"
    & skf21("6","2","5","5","2","6","4","1") = "5"
    & skf21("6","2","5","5","2","6","5","1") = "5"
    & skf21("6","2","5","5","2","6","6","1") = "5"
    & skf21("6","2","5","5","2","6","7","1") = "6"
    & skf21("6","2","5","5","2","7","1","1") = "6"
    & skf21("6","2","5","5","2","7","2","1") = "6"
    & skf21("6","2","5","5","2","7","3","1") = "6"
    & skf21("6","2","5","5","2","7","4","1") = "6"
    & skf21("6","2","5","5","2","7","5","1") = "6"
    & skf21("6","2","5","5","2","7","6","1") = "6"
    & skf21("6","2","5","5","2","7","7","1") = "6"
    & skf21("6","2","5","5","3","1","1","1") = "5"
    & skf21("6","2","5","5","3","1","2","1") = "5"
    & skf21("6","2","5","5","3","1","3","1") = "5"
    & skf21("6","2","5","5","3","1","4","1") = "5"
    & skf21("6","2","5","5","3","1","5","1") = "5"
    & skf21("6","2","5","5","3","1","6","1") = "5"
    & skf21("6","2","5","5","3","1","7","1") = "6"
    & skf21("6","2","5","5","3","2","1","1") = "5"
    & skf21("6","2","5","5","3","2","2","1") = "5"
    & skf21("6","2","5","5","3","2","3","1") = "5"
    & skf21("6","2","5","5","3","2","4","1") = "5"
    & skf21("6","2","5","5","3","2","5","1") = "5"
    & skf21("6","2","5","5","3","2","6","1") = "5"
    & skf21("6","2","5","5","3","2","7","1") = "6"
    & skf21("6","2","5","5","3","3","1","1") = "5"
    & skf21("6","2","5","5","3","3","2","1") = "5"
    & skf21("6","2","5","5","3","3","3","1") = "5"
    & skf21("6","2","5","5","3","3","4","1") = "5"
    & skf21("6","2","5","5","3","3","5","1") = "5"
    & skf21("6","2","5","5","3","3","6","1") = "5"
    & skf21("6","2","5","5","3","3","7","1") = "6"
    & skf21("6","2","5","5","3","4","1","1") = "5"
    & skf21("6","2","5","5","3","4","2","1") = "5"
    & skf21("6","2","5","5","3","4","3","1") = "5"
    & skf21("6","2","5","5","3","4","4","1") = "5"
    & skf21("6","2","5","5","3","4","5","1") = "5"
    & skf21("6","2","5","5","3","4","6","1") = "5"
    & skf21("6","2","5","5","3","4","7","1") = "6"
    & skf21("6","2","5","5","3","5","1","1") = "5"
    & skf21("6","2","5","5","3","5","2","1") = "5"
    & skf21("6","2","5","5","3","5","3","1") = "5"
    & skf21("6","2","5","5","3","5","4","1") = "5"
    & skf21("6","2","5","5","3","5","5","1") = "5"
    & skf21("6","2","5","5","3","5","6","1") = "5"
    & skf21("6","2","5","5","3","5","7","1") = "6"
    & skf21("6","2","5","5","3","6","1","1") = "5"
    & skf21("6","2","5","5","3","6","2","1") = "5"
    & skf21("6","2","5","5","3","6","3","1") = "5"
    & skf21("6","2","5","5","3","6","4","1") = "5"
    & skf21("6","2","5","5","3","6","5","1") = "5"
    & skf21("6","2","5","5","3","6","6","1") = "5"
    & skf21("6","2","5","5","3","6","7","1") = "6"
    & skf21("6","2","5","5","3","7","1","1") = "6"
    & skf21("6","2","5","5","3","7","2","1") = "6"
    & skf21("6","2","5","5","3","7","3","1") = "6"
    & skf21("6","2","5","5","3","7","4","1") = "6"
    & skf21("6","2","5","5","3","7","5","1") = "6"
    & skf21("6","2","5","5","3","7","6","1") = "6"
    & skf21("6","2","5","5","3","7","7","1") = "6"
    & skf21("6","2","5","5","4","1","1","1") = "5"
    & skf21("6","2","5","5","4","1","2","1") = "5"
    & skf21("6","2","5","5","4","1","3","1") = "5"
    & skf21("6","2","5","5","4","1","4","1") = "5"
    & skf21("6","2","5","5","4","1","5","1") = "5"
    & skf21("6","2","5","5","4","1","6","1") = "5"
    & skf21("6","2","5","5","4","1","7","1") = "6"
    & skf21("6","2","5","5","4","2","1","1") = "5"
    & skf21("6","2","5","5","4","2","2","1") = "5"
    & skf21("6","2","5","5","4","2","3","1") = "5"
    & skf21("6","2","5","5","4","2","4","1") = "5"
    & skf21("6","2","5","5","4","2","5","1") = "5"
    & skf21("6","2","5","5","4","2","6","1") = "5"
    & skf21("6","2","5","5","4","2","7","1") = "6"
    & skf21("6","2","5","5","4","3","1","1") = "5"
    & skf21("6","2","5","5","4","3","2","1") = "5"
    & skf21("6","2","5","5","4","3","3","1") = "5"
    & skf21("6","2","5","5","4","3","4","1") = "5"
    & skf21("6","2","5","5","4","3","5","1") = "5"
    & skf21("6","2","5","5","4","3","6","1") = "5"
    & skf21("6","2","5","5","4","3","7","1") = "6"
    & skf21("6","2","5","5","4","4","1","1") = "5"
    & skf21("6","2","5","5","4","4","2","1") = "5"
    & skf21("6","2","5","5","4","4","3","1") = "5"
    & skf21("6","2","5","5","4","4","4","1") = "5"
    & skf21("6","2","5","5","4","4","5","1") = "5"
    & skf21("6","2","5","5","4","4","6","1") = "5"
    & skf21("6","2","5","5","4","4","7","1") = "6"
    & skf21("6","2","5","5","4","5","1","1") = "5"
    & skf21("6","2","5","5","4","5","2","1") = "5"
    & skf21("6","2","5","5","4","5","3","1") = "5"
    & skf21("6","2","5","5","4","5","4","1") = "5"
    & skf21("6","2","5","5","4","5","5","1") = "5"
    & skf21("6","2","5","5","4","5","6","1") = "5"
    & skf21("6","2","5","5","4","5","7","1") = "6"
    & skf21("6","2","5","5","4","6","1","1") = "5"
    & skf21("6","2","5","5","4","6","2","1") = "5"
    & skf21("6","2","5","5","4","6","3","1") = "5"
    & skf21("6","2","5","5","4","6","4","1") = "5"
    & skf21("6","2","5","5","4","6","5","1") = "5"
    & skf21("6","2","5","5","4","6","6","1") = "5"
    & skf21("6","2","5","5","4","6","7","1") = "6"
    & skf21("6","2","5","5","4","7","1","1") = "6"
    & skf21("6","2","5","5","4","7","2","1") = "6"
    & skf21("6","2","5","5","4","7","3","1") = "6"
    & skf21("6","2","5","5","4","7","4","1") = "6"
    & skf21("6","2","5","5","4","7","5","1") = "6"
    & skf21("6","2","5","5","4","7","6","1") = "6"
    & skf21("6","2","5","5","4","7","7","1") = "6"
    & skf21("6","2","5","5","5","1","1","1") = "5"
    & skf21("6","2","5","5","5","1","2","1") = "5"
    & skf21("6","2","5","5","5","1","3","1") = "5"
    & skf21("6","2","5","5","5","1","4","1") = "5"
    & skf21("6","2","5","5","5","1","5","1") = "5"
    & skf21("6","2","5","5","5","1","6","1") = "5"
    & skf21("6","2","5","5","5","1","7","1") = "6"
    & skf21("6","2","5","5","5","2","1","1") = "5"
    & skf21("6","2","5","5","5","2","2","1") = "5"
    & skf21("6","2","5","5","5","2","3","1") = "5"
    & skf21("6","2","5","5","5","2","4","1") = "5"
    & skf21("6","2","5","5","5","2","5","1") = "5"
    & skf21("6","2","5","5","5","2","6","1") = "5"
    & skf21("6","2","5","5","5","2","7","1") = "6"
    & skf21("6","2","5","5","5","3","1","1") = "5"
    & skf21("6","2","5","5","5","3","2","1") = "5"
    & skf21("6","2","5","5","5","3","3","1") = "5"
    & skf21("6","2","5","5","5","3","4","1") = "5"
    & skf21("6","2","5","5","5","3","5","1") = "5"
    & skf21("6","2","5","5","5","3","6","1") = "5"
    & skf21("6","2","5","5","5","3","7","1") = "6"
    & skf21("6","2","5","5","5","4","1","1") = "5"
    & skf21("6","2","5","5","5","4","2","1") = "5"
    & skf21("6","2","5","5","5","4","3","1") = "5"
    & skf21("6","2","5","5","5","4","4","1") = "5"
    & skf21("6","2","5","5","5","4","5","1") = "5"
    & skf21("6","2","5","5","5","4","6","1") = "5"
    & skf21("6","2","5","5","5","4","7","1") = "6"
    & skf21("6","2","5","5","5","5","1","1") = "5"
    & skf21("6","2","5","5","5","5","2","1") = "5"
    & skf21("6","2","5","5","5","5","3","1") = "5"
    & skf21("6","2","5","5","5","5","4","1") = "5"
    & skf21("6","2","5","5","5","5","5","1") = "5"
    & skf21("6","2","5","5","5","5","6","1") = "5"
    & skf21("6","2","5","5","5","5","7","1") = "6"
    & skf21("6","2","5","5","5","6","1","1") = "5"
    & skf21("6","2","5","5","5","6","2","1") = "5"
    & skf21("6","2","5","5","5","6","3","1") = "5"
    & skf21("6","2","5","5","5","6","4","1") = "5"
    & skf21("6","2","5","5","5","6","5","1") = "5"
    & skf21("6","2","5","5","5","6","6","1") = "5"
    & skf21("6","2","5","5","5","6","7","1") = "6"
    & skf21("6","2","5","5","5","7","1","1") = "6"
    & skf21("6","2","5","5","5","7","2","1") = "6"
    & skf21("6","2","5","5","5","7","3","1") = "6"
    & skf21("6","2","5","5","5","7","4","1") = "6"
    & skf21("6","2","5","5","5","7","5","1") = "6"
    & skf21("6","2","5","5","5","7","6","1") = "6"
    & skf21("6","2","5","5","5","7","7","1") = "6"
    & skf21("6","2","5","5","6","1","1","1") = "5"
    & skf21("6","2","5","5","6","1","2","1") = "5"
    & skf21("6","2","5","5","6","1","3","1") = "5"
    & skf21("6","2","5","5","6","1","4","1") = "5"
    & skf21("6","2","5","5","6","1","5","1") = "5"
    & skf21("6","2","5","5","6","1","6","1") = "5"
    & skf21("6","2","5","5","6","1","7","1") = "6"
    & skf21("6","2","5","5","6","2","1","1") = "5"
    & skf21("6","2","5","5","6","2","2","1") = "5"
    & skf21("6","2","5","5","6","2","3","1") = "5"
    & skf21("6","2","5","5","6","2","4","1") = "5"
    & skf21("6","2","5","5","6","2","5","1") = "5"
    & skf21("6","2","5","5","6","2","6","1") = "5"
    & skf21("6","2","5","5","6","2","7","1") = "6"
    & skf21("6","2","5","5","6","3","1","1") = "5"
    & skf21("6","2","5","5","6","3","2","1") = "5"
    & skf21("6","2","5","5","6","3","3","1") = "5"
    & skf21("6","2","5","5","6","3","4","1") = "5"
    & skf21("6","2","5","5","6","3","5","1") = "5"
    & skf21("6","2","5","5","6","3","6","1") = "5"
    & skf21("6","2","5","5","6","3","7","1") = "6"
    & skf21("6","2","5","5","6","4","1","1") = "5"
    & skf21("6","2","5","5","6","4","2","1") = "5"
    & skf21("6","2","5","5","6","4","3","1") = "5"
    & skf21("6","2","5","5","6","4","4","1") = "5"
    & skf21("6","2","5","5","6","4","5","1") = "5"
    & skf21("6","2","5","5","6","4","6","1") = "5"
    & skf21("6","2","5","5","6","4","7","1") = "6"
    & skf21("6","2","5","5","6","5","1","1") = "5"
    & skf21("6","2","5","5","6","5","2","1") = "5"
    & skf21("6","2","5","5","6","5","3","1") = "5"
    & skf21("6","2","5","5","6","5","4","1") = "5"
    & skf21("6","2","5","5","6","5","5","1") = "5"
    & skf21("6","2","5","5","6","5","6","1") = "5"
    & skf21("6","2","5","5","6","5","7","1") = "6"
    & skf21("6","2","5","5","6","6","1","1") = "5"
    & skf21("6","2","5","5","6","6","2","1") = "5"
    & skf21("6","2","5","5","6","6","3","1") = "5"
    & skf21("6","2","5","5","6","6","4","1") = "5"
    & skf21("6","2","5","5","6","6","5","1") = "5"
    & skf21("6","2","5","5","6","6","6","1") = "5"
    & skf21("6","2","5","5","6","6","7","1") = "6"
    & skf21("6","2","5","5","6","7","1","1") = "6"
    & skf21("6","2","5","5","6","7","2","1") = "6"
    & skf21("6","2","5","5","6","7","3","1") = "6"
    & skf21("6","2","5","5","6","7","4","1") = "6"
    & skf21("6","2","5","5","6","7","5","1") = "6"
    & skf21("6","2","5","5","6","7","6","1") = "6"
    & skf21("6","2","5","5","6","7","7","1") = "6"
    & skf21("6","2","5","5","7","1","1","1") = "6"
    & skf21("6","2","5","5","7","1","2","1") = "6"
    & skf21("6","2","5","5","7","1","3","1") = "6"
    & skf21("6","2","5","5","7","1","4","1") = "6"
    & skf21("6","2","5","5","7","1","5","1") = "6"
    & skf21("6","2","5","5","7","1","6","1") = "6"
    & skf21("6","2","5","5","7","1","7","1") = "6"
    & skf21("6","2","5","5","7","2","1","1") = "6"
    & skf21("6","2","5","5","7","2","2","1") = "6"
    & skf21("6","2","5","5","7","2","3","1") = "6"
    & skf21("6","2","5","5","7","2","4","1") = "6"
    & skf21("6","2","5","5","7","2","5","1") = "6"
    & skf21("6","2","5","5","7","2","6","1") = "6"
    & skf21("6","2","5","5","7","2","7","1") = "6"
    & skf21("6","2","5","5","7","3","1","1") = "6"
    & skf21("6","2","5","5","7","3","2","1") = "6"
    & skf21("6","2","5","5","7","3","3","1") = "6"
    & skf21("6","2","5","5","7","3","4","1") = "6"
    & skf21("6","2","5","5","7","3","5","1") = "6"
    & skf21("6","2","5","5","7","3","6","1") = "6"
    & skf21("6","2","5","5","7","3","7","1") = "6"
    & skf21("6","2","5","5","7","4","1","1") = "6"
    & skf21("6","2","5","5","7","4","2","1") = "6"
    & skf21("6","2","5","5","7","4","3","1") = "6"
    & skf21("6","2","5","5","7","4","4","1") = "6"
    & skf21("6","2","5","5","7","4","5","1") = "6"
    & skf21("6","2","5","5","7","4","6","1") = "6"
    & skf21("6","2","5","5","7","4","7","1") = "6"
    & skf21("6","2","5","5","7","5","1","1") = "6"
    & skf21("6","2","5","5","7","5","2","1") = "6"
    & skf21("6","2","5","5","7","5","3","1") = "6"
    & skf21("6","2","5","5","7","5","4","1") = "6"
    & skf21("6","2","5","5","7","5","5","1") = "6"
    & skf21("6","2","5","5","7","5","6","1") = "6"
    & skf21("6","2","5","5","7","5","7","1") = "6"
    & skf21("6","2","5","5","7","6","1","1") = "6"
    & skf21("6","2","5","5","7","6","2","1") = "6"
    & skf21("6","2","5","5","7","6","3","1") = "6"
    & skf21("6","2","5","5","7","6","4","1") = "6"
    & skf21("6","2","5","5","7","6","5","1") = "6"
    & skf21("6","2","5","5","7","6","6","1") = "6"
    & skf21("6","2","5","5","7","6","7","1") = "6"
    & skf21("6","2","5","5","7","7","1","1") = "6"
    & skf21("6","2","5","5","7","7","2","1") = "6"
    & skf21("6","2","5","5","7","7","3","1") = "6"
    & skf21("6","2","5","5","7","7","4","1") = "6"
    & skf21("6","2","5","5","7","7","5","1") = "6"
    & skf21("6","2","5","5","7","7","6","1") = "6"
    & skf21("6","2","5","5","7","7","7","1") = "6"
    & skf21("6","2","5","6","1","1","1","1") = "5"
    & skf21("6","2","5","6","1","1","2","1") = "5"
    & skf21("6","2","5","6","1","1","3","1") = "5"
    & skf21("6","2","5","6","1","1","4","1") = "5"
    & skf21("6","2","5","6","1","1","5","1") = "5"
    & skf21("6","2","5","6","1","1","6","1") = "5"
    & skf21("6","2","5","6","1","1","7","1") = "6"
    & skf21("6","2","5","6","1","2","1","1") = "5"
    & skf21("6","2","5","6","1","2","2","1") = "5"
    & skf21("6","2","5","6","1","2","3","1") = "5"
    & skf21("6","2","5","6","1","2","4","1") = "5"
    & skf21("6","2","5","6","1","2","5","1") = "5"
    & skf21("6","2","5","6","1","2","6","1") = "5"
    & skf21("6","2","5","6","1","2","7","1") = "6"
    & skf21("6","2","5","6","1","3","1","1") = "5"
    & skf21("6","2","5","6","1","3","2","1") = "5"
    & skf21("6","2","5","6","1","3","3","1") = "5"
    & skf21("6","2","5","6","1","3","4","1") = "5"
    & skf21("6","2","5","6","1","3","5","1") = "5"
    & skf21("6","2","5","6","1","3","6","1") = "5"
    & skf21("6","2","5","6","1","3","7","1") = "6"
    & skf21("6","2","5","6","1","4","1","1") = "5"
    & skf21("6","2","5","6","1","4","2","1") = "5"
    & skf21("6","2","5","6","1","4","3","1") = "5"
    & skf21("6","2","5","6","1","4","4","1") = "5"
    & skf21("6","2","5","6","1","4","5","1") = "5"
    & skf21("6","2","5","6","1","4","6","1") = "5"
    & skf21("6","2","5","6","1","4","7","1") = "6"
    & skf21("6","2","5","6","1","5","1","1") = "5"
    & skf21("6","2","5","6","1","5","2","1") = "5"
    & skf21("6","2","5","6","1","5","3","1") = "5"
    & skf21("6","2","5","6","1","5","4","1") = "5"
    & skf21("6","2","5","6","1","5","5","1") = "5"
    & skf21("6","2","5","6","1","5","6","1") = "5"
    & skf21("6","2","5","6","1","5","7","1") = "6"
    & skf21("6","2","5","6","1","6","1","1") = "5"
    & skf21("6","2","5","6","1","6","2","1") = "5"
    & skf21("6","2","5","6","1","6","3","1") = "5"
    & skf21("6","2","5","6","1","6","4","1") = "5"
    & skf21("6","2","5","6","1","6","5","1") = "5"
    & skf21("6","2","5","6","1","6","6","1") = "5"
    & skf21("6","2","5","6","1","6","7","1") = "6"
    & skf21("6","2","5","6","1","7","1","1") = "6"
    & skf21("6","2","5","6","1","7","2","1") = "6"
    & skf21("6","2","5","6","1","7","3","1") = "6"
    & skf21("6","2","5","6","1","7","4","1") = "6"
    & skf21("6","2","5","6","1","7","5","1") = "6"
    & skf21("6","2","5","6","1","7","6","1") = "6"
    & skf21("6","2","5","6","1","7","7","1") = "6"
    & skf21("6","2","5","6","2","1","1","1") = "5"
    & skf21("6","2","5","6","2","1","2","1") = "5"
    & skf21("6","2","5","6","2","1","3","1") = "5"
    & skf21("6","2","5","6","2","1","4","1") = "5"
    & skf21("6","2","5","6","2","1","5","1") = "5"
    & skf21("6","2","5","6","2","1","6","1") = "5"
    & skf21("6","2","5","6","2","1","7","1") = "6"
    & skf21("6","2","5","6","2","2","1","1") = "5"
    & skf21("6","2","5","6","2","2","2","1") = "5"
    & skf21("6","2","5","6","2","2","3","1") = "5"
    & skf21("6","2","5","6","2","2","4","1") = "5"
    & skf21("6","2","5","6","2","2","5","1") = "5"
    & skf21("6","2","5","6","2","2","6","1") = "5"
    & skf21("6","2","5","6","2","2","7","1") = "6"
    & skf21("6","2","5","6","2","3","1","1") = "5"
    & skf21("6","2","5","6","2","3","2","1") = "5"
    & skf21("6","2","5","6","2","3","3","1") = "5"
    & skf21("6","2","5","6","2","3","4","1") = "5"
    & skf21("6","2","5","6","2","3","5","1") = "5"
    & skf21("6","2","5","6","2","3","6","1") = "5"
    & skf21("6","2","5","6","2","3","7","1") = "6"
    & skf21("6","2","5","6","2","4","1","1") = "5"
    & skf21("6","2","5","6","2","4","2","1") = "5"
    & skf21("6","2","5","6","2","4","3","1") = "5"
    & skf21("6","2","5","6","2","4","4","1") = "5"
    & skf21("6","2","5","6","2","4","5","1") = "5"
    & skf21("6","2","5","6","2","4","6","1") = "5"
    & skf21("6","2","5","6","2","4","7","1") = "6"
    & skf21("6","2","5","6","2","5","1","1") = "5"
    & skf21("6","2","5","6","2","5","2","1") = "5"
    & skf21("6","2","5","6","2","5","3","1") = "5"
    & skf21("6","2","5","6","2","5","4","1") = "5"
    & skf21("6","2","5","6","2","5","5","1") = "5"
    & skf21("6","2","5","6","2","5","6","1") = "5"
    & skf21("6","2","5","6","2","5","7","1") = "6"
    & skf21("6","2","5","6","2","6","1","1") = "5"
    & skf21("6","2","5","6","2","6","2","1") = "5"
    & skf21("6","2","5","6","2","6","3","1") = "5"
    & skf21("6","2","5","6","2","6","4","1") = "5"
    & skf21("6","2","5","6","2","6","5","1") = "5"
    & skf21("6","2","5","6","2","6","6","1") = "5"
    & skf21("6","2","5","6","2","6","7","1") = "6"
    & skf21("6","2","5","6","2","7","1","1") = "6"
    & skf21("6","2","5","6","2","7","2","1") = "6"
    & skf21("6","2","5","6","2","7","3","1") = "6"
    & skf21("6","2","5","6","2","7","4","1") = "6"
    & skf21("6","2","5","6","2","7","5","1") = "6"
    & skf21("6","2","5","6","2","7","6","1") = "6"
    & skf21("6","2","5","6","2","7","7","1") = "6"
    & skf21("6","2","5","6","3","1","1","1") = "5"
    & skf21("6","2","5","6","3","1","2","1") = "5"
    & skf21("6","2","5","6","3","1","3","1") = "5"
    & skf21("6","2","5","6","3","1","4","1") = "5"
    & skf21("6","2","5","6","3","1","5","1") = "5"
    & skf21("6","2","5","6","3","1","6","1") = "5"
    & skf21("6","2","5","6","3","1","7","1") = "6"
    & skf21("6","2","5","6","3","2","1","1") = "5"
    & skf21("6","2","5","6","3","2","2","1") = "5"
    & skf21("6","2","5","6","3","2","3","1") = "5"
    & skf21("6","2","5","6","3","2","4","1") = "5"
    & skf21("6","2","5","6","3","2","5","1") = "5"
    & skf21("6","2","5","6","3","2","6","1") = "5"
    & skf21("6","2","5","6","3","2","7","1") = "6"
    & skf21("6","2","5","6","3","3","1","1") = "5"
    & skf21("6","2","5","6","3","3","2","1") = "5"
    & skf21("6","2","5","6","3","3","3","1") = "5"
    & skf21("6","2","5","6","3","3","4","1") = "5"
    & skf21("6","2","5","6","3","3","5","1") = "5"
    & skf21("6","2","5","6","3","3","6","1") = "5"
    & skf21("6","2","5","6","3","3","7","1") = "6"
    & skf21("6","2","5","6","3","4","1","1") = "5"
    & skf21("6","2","5","6","3","4","2","1") = "5"
    & skf21("6","2","5","6","3","4","3","1") = "5"
    & skf21("6","2","5","6","3","4","4","1") = "5"
    & skf21("6","2","5","6","3","4","5","1") = "5"
    & skf21("6","2","5","6","3","4","6","1") = "5"
    & skf21("6","2","5","6","3","4","7","1") = "6"
    & skf21("6","2","5","6","3","5","1","1") = "5"
    & skf21("6","2","5","6","3","5","2","1") = "5"
    & skf21("6","2","5","6","3","5","3","1") = "5"
    & skf21("6","2","5","6","3","5","4","1") = "5"
    & skf21("6","2","5","6","3","5","5","1") = "5"
    & skf21("6","2","5","6","3","5","6","1") = "5"
    & skf21("6","2","5","6","3","5","7","1") = "6"
    & skf21("6","2","5","6","3","6","1","1") = "5"
    & skf21("6","2","5","6","3","6","2","1") = "5"
    & skf21("6","2","5","6","3","6","3","1") = "5"
    & skf21("6","2","5","6","3","6","4","1") = "5"
    & skf21("6","2","5","6","3","6","5","1") = "5"
    & skf21("6","2","5","6","3","6","6","1") = "5"
    & skf21("6","2","5","6","3","6","7","1") = "6"
    & skf21("6","2","5","6","3","7","1","1") = "6"
    & skf21("6","2","5","6","3","7","2","1") = "6"
    & skf21("6","2","5","6","3","7","3","1") = "6"
    & skf21("6","2","5","6","3","7","4","1") = "6"
    & skf21("6","2","5","6","3","7","5","1") = "6"
    & skf21("6","2","5","6","3","7","6","1") = "6"
    & skf21("6","2","5","6","3","7","7","1") = "6"
    & skf21("6","2","5","6","4","1","1","1") = "5"
    & skf21("6","2","5","6","4","1","2","1") = "5"
    & skf21("6","2","5","6","4","1","3","1") = "5"
    & skf21("6","2","5","6","4","1","4","1") = "5"
    & skf21("6","2","5","6","4","1","5","1") = "5"
    & skf21("6","2","5","6","4","1","6","1") = "5"
    & skf21("6","2","5","6","4","1","7","1") = "6"
    & skf21("6","2","5","6","4","2","1","1") = "5"
    & skf21("6","2","5","6","4","2","2","1") = "5"
    & skf21("6","2","5","6","4","2","3","1") = "5"
    & skf21("6","2","5","6","4","2","4","1") = "5"
    & skf21("6","2","5","6","4","2","5","1") = "5"
    & skf21("6","2","5","6","4","2","6","1") = "5"
    & skf21("6","2","5","6","4","2","7","1") = "6"
    & skf21("6","2","5","6","4","3","1","1") = "5"
    & skf21("6","2","5","6","4","3","2","1") = "5"
    & skf21("6","2","5","6","4","3","3","1") = "5"
    & skf21("6","2","5","6","4","3","4","1") = "5"
    & skf21("6","2","5","6","4","3","5","1") = "5"
    & skf21("6","2","5","6","4","3","6","1") = "5"
    & skf21("6","2","5","6","4","3","7","1") = "6"
    & skf21("6","2","5","6","4","4","1","1") = "5"
    & skf21("6","2","5","6","4","4","2","1") = "5"
    & skf21("6","2","5","6","4","4","3","1") = "5"
    & skf21("6","2","5","6","4","4","4","1") = "5"
    & skf21("6","2","5","6","4","4","5","1") = "5"
    & skf21("6","2","5","6","4","4","6","1") = "5"
    & skf21("6","2","5","6","4","4","7","1") = "6"
    & skf21("6","2","5","6","4","5","1","1") = "5"
    & skf21("6","2","5","6","4","5","2","1") = "5"
    & skf21("6","2","5","6","4","5","3","1") = "5"
    & skf21("6","2","5","6","4","5","4","1") = "5"
    & skf21("6","2","5","6","4","5","5","1") = "5"
    & skf21("6","2","5","6","4","5","6","1") = "5"
    & skf21("6","2","5","6","4","5","7","1") = "6"
    & skf21("6","2","5","6","4","6","1","1") = "5"
    & skf21("6","2","5","6","4","6","2","1") = "5"
    & skf21("6","2","5","6","4","6","3","1") = "5"
    & skf21("6","2","5","6","4","6","4","1") = "5"
    & skf21("6","2","5","6","4","6","5","1") = "5"
    & skf21("6","2","5","6","4","6","6","1") = "5"
    & skf21("6","2","5","6","4","6","7","1") = "6"
    & skf21("6","2","5","6","4","7","1","1") = "6"
    & skf21("6","2","5","6","4","7","2","1") = "6"
    & skf21("6","2","5","6","4","7","3","1") = "6"
    & skf21("6","2","5","6","4","7","4","1") = "6"
    & skf21("6","2","5","6","4","7","5","1") = "6"
    & skf21("6","2","5","6","4","7","6","1") = "6"
    & skf21("6","2","5","6","4","7","7","1") = "6"
    & skf21("6","2","5","6","5","1","1","1") = "5"
    & skf21("6","2","5","6","5","1","2","1") = "5"
    & skf21("6","2","5","6","5","1","3","1") = "5"
    & skf21("6","2","5","6","5","1","4","1") = "5"
    & skf21("6","2","5","6","5","1","5","1") = "5"
    & skf21("6","2","5","6","5","1","6","1") = "5"
    & skf21("6","2","5","6","5","1","7","1") = "6"
    & skf21("6","2","5","6","5","2","1","1") = "5"
    & skf21("6","2","5","6","5","2","2","1") = "5"
    & skf21("6","2","5","6","5","2","3","1") = "5"
    & skf21("6","2","5","6","5","2","4","1") = "5"
    & skf21("6","2","5","6","5","2","5","1") = "5"
    & skf21("6","2","5","6","5","2","6","1") = "5"
    & skf21("6","2","5","6","5","2","7","1") = "6"
    & skf21("6","2","5","6","5","3","1","1") = "5"
    & skf21("6","2","5","6","5","3","2","1") = "5"
    & skf21("6","2","5","6","5","3","3","1") = "5"
    & skf21("6","2","5","6","5","3","4","1") = "5"
    & skf21("6","2","5","6","5","3","5","1") = "5"
    & skf21("6","2","5","6","5","3","6","1") = "5"
    & skf21("6","2","5","6","5","3","7","1") = "6"
    & skf21("6","2","5","6","5","4","1","1") = "5"
    & skf21("6","2","5","6","5","4","2","1") = "5"
    & skf21("6","2","5","6","5","4","3","1") = "5"
    & skf21("6","2","5","6","5","4","4","1") = "5"
    & skf21("6","2","5","6","5","4","5","1") = "5"
    & skf21("6","2","5","6","5","4","6","1") = "5"
    & skf21("6","2","5","6","5","4","7","1") = "6"
    & skf21("6","2","5","6","5","5","1","1") = "5"
    & skf21("6","2","5","6","5","5","2","1") = "5"
    & skf21("6","2","5","6","5","5","3","1") = "5"
    & skf21("6","2","5","6","5","5","4","1") = "5"
    & skf21("6","2","5","6","5","5","5","1") = "5"
    & skf21("6","2","5","6","5","5","6","1") = "5"
    & skf21("6","2","5","6","5","5","7","1") = "6"
    & skf21("6","2","5","6","5","6","1","1") = "5"
    & skf21("6","2","5","6","5","6","2","1") = "5"
    & skf21("6","2","5","6","5","6","3","1") = "5"
    & skf21("6","2","5","6","5","6","4","1") = "5"
    & skf21("6","2","5","6","5","6","5","1") = "5"
    & skf21("6","2","5","6","5","6","6","1") = "5"
    & skf21("6","2","5","6","5","6","7","1") = "6"
    & skf21("6","2","5","6","5","7","1","1") = "6"
    & skf21("6","2","5","6","5","7","2","1") = "6"
    & skf21("6","2","5","6","5","7","3","1") = "6"
    & skf21("6","2","5","6","5","7","4","1") = "6"
    & skf21("6","2","5","6","5","7","5","1") = "6"
    & skf21("6","2","5","6","5","7","6","1") = "6"
    & skf21("6","2","5","6","5","7","7","1") = "6"
    & skf21("6","2","5","6","6","1","1","1") = "5"
    & skf21("6","2","5","6","6","1","2","1") = "5"
    & skf21("6","2","5","6","6","1","3","1") = "5"
    & skf21("6","2","5","6","6","1","4","1") = "5"
    & skf21("6","2","5","6","6","1","5","1") = "5"
    & skf21("6","2","5","6","6","1","6","1") = "5"
    & skf21("6","2","5","6","6","1","7","1") = "6"
    & skf21("6","2","5","6","6","2","1","1") = "5"
    & skf21("6","2","5","6","6","2","2","1") = "5"
    & skf21("6","2","5","6","6","2","3","1") = "5"
    & skf21("6","2","5","6","6","2","4","1") = "5"
    & skf21("6","2","5","6","6","2","5","1") = "5"
    & skf21("6","2","5","6","6","2","6","1") = "5"
    & skf21("6","2","5","6","6","2","7","1") = "6"
    & skf21("6","2","5","6","6","3","1","1") = "5"
    & skf21("6","2","5","6","6","3","2","1") = "5"
    & skf21("6","2","5","6","6","3","3","1") = "5"
    & skf21("6","2","5","6","6","3","4","1") = "5"
    & skf21("6","2","5","6","6","3","5","1") = "5"
    & skf21("6","2","5","6","6","3","6","1") = "5"
    & skf21("6","2","5","6","6","3","7","1") = "6"
    & skf21("6","2","5","6","6","4","1","1") = "5"
    & skf21("6","2","5","6","6","4","2","1") = "5"
    & skf21("6","2","5","6","6","4","3","1") = "5"
    & skf21("6","2","5","6","6","4","4","1") = "5"
    & skf21("6","2","5","6","6","4","5","1") = "5"
    & skf21("6","2","5","6","6","4","6","1") = "5"
    & skf21("6","2","5","6","6","4","7","1") = "6"
    & skf21("6","2","5","6","6","5","1","1") = "5"
    & skf21("6","2","5","6","6","5","2","1") = "5"
    & skf21("6","2","5","6","6","5","3","1") = "5"
    & skf21("6","2","5","6","6","5","4","1") = "5"
    & skf21("6","2","5","6","6","5","5","1") = "5"
    & skf21("6","2","5","6","6","5","6","1") = "5"
    & skf21("6","2","5","6","6","5","7","1") = "6"
    & skf21("6","2","5","6","6","6","1","1") = "5"
    & skf21("6","2","5","6","6","6","2","1") = "5"
    & skf21("6","2","5","6","6","6","3","1") = "5"
    & skf21("6","2","5","6","6","6","4","1") = "5"
    & skf21("6","2","5","6","6","6","5","1") = "5"
    & skf21("6","2","5","6","6","6","6","1") = "5"
    & skf21("6","2","5","6","6","6","7","1") = "6"
    & skf21("6","2","5","6","6","7","1","1") = "6"
    & skf21("6","2","5","6","6","7","2","1") = "6"
    & skf21("6","2","5","6","6","7","3","1") = "6"
    & skf21("6","2","5","6","6","7","4","1") = "6"
    & skf21("6","2","5","6","6","7","5","1") = "6"
    & skf21("6","2","5","6","6","7","6","1") = "6"
    & skf21("6","2","5","6","6","7","7","1") = "6"
    & skf21("6","2","5","6","7","1","1","1") = "6"
    & skf21("6","2","5","6","7","1","2","1") = "6"
    & skf21("6","2","5","6","7","1","3","1") = "6"
    & skf21("6","2","5","6","7","1","4","1") = "6"
    & skf21("6","2","5","6","7","1","5","1") = "6"
    & skf21("6","2","5","6","7","1","6","1") = "6"
    & skf21("6","2","5","6","7","1","7","1") = "6"
    & skf21("6","2","5","6","7","2","1","1") = "6"
    & skf21("6","2","5","6","7","2","2","1") = "6"
    & skf21("6","2","5","6","7","2","3","1") = "6"
    & skf21("6","2","5","6","7","2","4","1") = "6"
    & skf21("6","2","5","6","7","2","5","1") = "6"
    & skf21("6","2","5","6","7","2","6","1") = "6"
    & skf21("6","2","5","6","7","2","7","1") = "6"
    & skf21("6","2","5","6","7","3","1","1") = "6"
    & skf21("6","2","5","6","7","3","2","1") = "6"
    & skf21("6","2","5","6","7","3","3","1") = "6"
    & skf21("6","2","5","6","7","3","4","1") = "6"
    & skf21("6","2","5","6","7","3","5","1") = "6"
    & skf21("6","2","5","6","7","3","6","1") = "6"
    & skf21("6","2","5","6","7","3","7","1") = "6"
    & skf21("6","2","5","6","7","4","1","1") = "6"
    & skf21("6","2","5","6","7","4","2","1") = "6"
    & skf21("6","2","5","6","7","4","3","1") = "6"
    & skf21("6","2","5","6","7","4","4","1") = "6"
    & skf21("6","2","5","6","7","4","5","1") = "6"
    & skf21("6","2","5","6","7","4","6","1") = "6"
    & skf21("6","2","5","6","7","4","7","1") = "6"
    & skf21("6","2","5","6","7","5","1","1") = "6"
    & skf21("6","2","5","6","7","5","2","1") = "6"
    & skf21("6","2","5","6","7","5","3","1") = "6"
    & skf21("6","2","5","6","7","5","4","1") = "6"
    & skf21("6","2","5","6","7","5","5","1") = "6"
    & skf21("6","2","5","6","7","5","6","1") = "6"
    & skf21("6","2","5","6","7","5","7","1") = "6"
    & skf21("6","2","5","6","7","6","1","1") = "6"
    & skf21("6","2","5","6","7","6","2","1") = "6"
    & skf21("6","2","5","6","7","6","3","1") = "6"
    & skf21("6","2","5","6","7","6","4","1") = "6"
    & skf21("6","2","5","6","7","6","5","1") = "6"
    & skf21("6","2","5","6","7","6","6","1") = "6"
    & skf21("6","2","5","6","7","6","7","1") = "6"
    & skf21("6","2","5","6","7","7","1","1") = "6"
    & skf21("6","2","5","6","7","7","2","1") = "6"
    & skf21("6","2","5","6","7","7","3","1") = "6"
    & skf21("6","2","5","6","7","7","4","1") = "6"
    & skf21("6","2","5","6","7","7","5","1") = "6"
    & skf21("6","2","5","6","7","7","6","1") = "6"
    & skf21("6","2","5","6","7","7","7","1") = "6"
    & skf21("6","2","5","7","1","1","1","1") = "6"
    & skf21("6","2","5","7","1","1","2","1") = "6"
    & skf21("6","2","5","7","1","1","3","1") = "6"
    & skf21("6","2","5","7","1","1","4","1") = "6"
    & skf21("6","2","5","7","1","1","5","1") = "6"
    & skf21("6","2","5","7","1","1","6","1") = "6"
    & skf21("6","2","5","7","1","1","7","1") = "6"
    & skf21("6","2","5","7","1","2","1","1") = "6"
    & skf21("6","2","5","7","1","2","2","1") = "6"
    & skf21("6","2","5","7","1","2","3","1") = "6"
    & skf21("6","2","5","7","1","2","4","1") = "6"
    & skf21("6","2","5","7","1","2","5","1") = "6"
    & skf21("6","2","5","7","1","2","6","1") = "6"
    & skf21("6","2","5","7","1","2","7","1") = "6"
    & skf21("6","2","5","7","1","3","1","1") = "6"
    & skf21("6","2","5","7","1","3","2","1") = "6"
    & skf21("6","2","5","7","1","3","3","1") = "6"
    & skf21("6","2","5","7","1","3","4","1") = "6"
    & skf21("6","2","5","7","1","3","5","1") = "6"
    & skf21("6","2","5","7","1","3","6","1") = "6"
    & skf21("6","2","5","7","1","3","7","1") = "6"
    & skf21("6","2","5","7","1","4","1","1") = "6"
    & skf21("6","2","5","7","1","4","2","1") = "6"
    & skf21("6","2","5","7","1","4","3","1") = "6"
    & skf21("6","2","5","7","1","4","4","1") = "6"
    & skf21("6","2","5","7","1","4","5","1") = "6"
    & skf21("6","2","5","7","1","4","6","1") = "6"
    & skf21("6","2","5","7","1","4","7","1") = "6"
    & skf21("6","2","5","7","1","5","1","1") = "6"
    & skf21("6","2","5","7","1","5","2","1") = "6"
    & skf21("6","2","5","7","1","5","3","1") = "6"
    & skf21("6","2","5","7","1","5","4","1") = "6"
    & skf21("6","2","5","7","1","5","5","1") = "6"
    & skf21("6","2","5","7","1","5","6","1") = "6"
    & skf21("6","2","5","7","1","5","7","1") = "6"
    & skf21("6","2","5","7","1","6","1","1") = "6"
    & skf21("6","2","5","7","1","6","2","1") = "6"
    & skf21("6","2","5","7","1","6","3","1") = "6"
    & skf21("6","2","5","7","1","6","4","1") = "6"
    & skf21("6","2","5","7","1","6","5","1") = "6"
    & skf21("6","2","5","7","1","6","6","1") = "6"
    & skf21("6","2","5","7","1","6","7","1") = "6"
    & skf21("6","2","5","7","1","7","1","1") = "6"
    & skf21("6","2","5","7","1","7","2","1") = "6"
    & skf21("6","2","5","7","1","7","3","1") = "6"
    & skf21("6","2","5","7","1","7","4","1") = "6"
    & skf21("6","2","5","7","1","7","5","1") = "6"
    & skf21("6","2","5","7","1","7","6","1") = "6"
    & skf21("6","2","5","7","1","7","7","1") = "6"
    & skf21("6","2","5","7","2","1","1","1") = "6"
    & skf21("6","2","5","7","2","1","2","1") = "6"
    & skf21("6","2","5","7","2","1","3","1") = "6"
    & skf21("6","2","5","7","2","1","4","1") = "6"
    & skf21("6","2","5","7","2","1","5","1") = "6"
    & skf21("6","2","5","7","2","1","6","1") = "6"
    & skf21("6","2","5","7","2","1","7","1") = "6"
    & skf21("6","2","5","7","2","2","1","1") = "6"
    & skf21("6","2","5","7","2","2","2","1") = "6"
    & skf21("6","2","5","7","2","2","3","1") = "6"
    & skf21("6","2","5","7","2","2","4","1") = "6"
    & skf21("6","2","5","7","2","2","5","1") = "6"
    & skf21("6","2","5","7","2","2","6","1") = "6"
    & skf21("6","2","5","7","2","2","7","1") = "6"
    & skf21("6","2","5","7","2","3","1","1") = "6"
    & skf21("6","2","5","7","2","3","2","1") = "6"
    & skf21("6","2","5","7","2","3","3","1") = "6"
    & skf21("6","2","5","7","2","3","4","1") = "6"
    & skf21("6","2","5","7","2","3","5","1") = "6"
    & skf21("6","2","5","7","2","3","6","1") = "6"
    & skf21("6","2","5","7","2","3","7","1") = "6"
    & skf21("6","2","5","7","2","4","1","1") = "6"
    & skf21("6","2","5","7","2","4","2","1") = "6"
    & skf21("6","2","5","7","2","4","3","1") = "6"
    & skf21("6","2","5","7","2","4","4","1") = "6"
    & skf21("6","2","5","7","2","4","5","1") = "6"
    & skf21("6","2","5","7","2","4","6","1") = "6"
    & skf21("6","2","5","7","2","4","7","1") = "6"
    & skf21("6","2","5","7","2","5","1","1") = "6"
    & skf21("6","2","5","7","2","5","2","1") = "6"
    & skf21("6","2","5","7","2","5","3","1") = "6"
    & skf21("6","2","5","7","2","5","4","1") = "6"
    & skf21("6","2","5","7","2","5","5","1") = "6"
    & skf21("6","2","5","7","2","5","6","1") = "6"
    & skf21("6","2","5","7","2","5","7","1") = "6"
    & skf21("6","2","5","7","2","6","1","1") = "6"
    & skf21("6","2","5","7","2","6","2","1") = "6"
    & skf21("6","2","5","7","2","6","3","1") = "6"
    & skf21("6","2","5","7","2","6","4","1") = "6"
    & skf21("6","2","5","7","2","6","5","1") = "6"
    & skf21("6","2","5","7","2","6","6","1") = "6"
    & skf21("6","2","5","7","2","6","7","1") = "6"
    & skf21("6","2","5","7","2","7","1","1") = "6"
    & skf21("6","2","5","7","2","7","2","1") = "6"
    & skf21("6","2","5","7","2","7","3","1") = "6"
    & skf21("6","2","5","7","2","7","4","1") = "6"
    & skf21("6","2","5","7","2","7","5","1") = "6"
    & skf21("6","2","5","7","2","7","6","1") = "6"
    & skf21("6","2","5","7","2","7","7","1") = "6"
    & skf21("6","2","5","7","3","1","1","1") = "6"
    & skf21("6","2","5","7","3","1","2","1") = "6"
    & skf21("6","2","5","7","3","1","3","1") = "6"
    & skf21("6","2","5","7","3","1","4","1") = "6"
    & skf21("6","2","5","7","3","1","5","1") = "6"
    & skf21("6","2","5","7","3","1","6","1") = "6"
    & skf21("6","2","5","7","3","1","7","1") = "6"
    & skf21("6","2","5","7","3","2","1","1") = "6"
    & skf21("6","2","5","7","3","2","2","1") = "6"
    & skf21("6","2","5","7","3","2","3","1") = "6"
    & skf21("6","2","5","7","3","2","4","1") = "6"
    & skf21("6","2","5","7","3","2","5","1") = "6"
    & skf21("6","2","5","7","3","2","6","1") = "6"
    & skf21("6","2","5","7","3","2","7","1") = "6"
    & skf21("6","2","5","7","3","3","1","1") = "6"
    & skf21("6","2","5","7","3","3","2","1") = "6"
    & skf21("6","2","5","7","3","3","3","1") = "6"
    & skf21("6","2","5","7","3","3","4","1") = "6"
    & skf21("6","2","5","7","3","3","5","1") = "6"
    & skf21("6","2","5","7","3","3","6","1") = "6"
    & skf21("6","2","5","7","3","3","7","1") = "6"
    & skf21("6","2","5","7","3","4","1","1") = "6"
    & skf21("6","2","5","7","3","4","2","1") = "6"
    & skf21("6","2","5","7","3","4","3","1") = "6"
    & skf21("6","2","5","7","3","4","4","1") = "6"
    & skf21("6","2","5","7","3","4","5","1") = "6"
    & skf21("6","2","5","7","3","4","6","1") = "6"
    & skf21("6","2","5","7","3","4","7","1") = "6"
    & skf21("6","2","5","7","3","5","1","1") = "6"
    & skf21("6","2","5","7","3","5","2","1") = "6"
    & skf21("6","2","5","7","3","5","3","1") = "6"
    & skf21("6","2","5","7","3","5","4","1") = "6"
    & skf21("6","2","5","7","3","5","5","1") = "6"
    & skf21("6","2","5","7","3","5","6","1") = "6"
    & skf21("6","2","5","7","3","5","7","1") = "6"
    & skf21("6","2","5","7","3","6","1","1") = "6"
    & skf21("6","2","5","7","3","6","2","1") = "6"
    & skf21("6","2","5","7","3","6","3","1") = "6"
    & skf21("6","2","5","7","3","6","4","1") = "6"
    & skf21("6","2","5","7","3","6","5","1") = "6"
    & skf21("6","2","5","7","3","6","6","1") = "6"
    & skf21("6","2","5","7","3","6","7","1") = "6"
    & skf21("6","2","5","7","3","7","1","1") = "6"
    & skf21("6","2","5","7","3","7","2","1") = "6"
    & skf21("6","2","5","7","3","7","3","1") = "6"
    & skf21("6","2","5","7","3","7","4","1") = "6"
    & skf21("6","2","5","7","3","7","5","1") = "6"
    & skf21("6","2","5","7","3","7","6","1") = "6"
    & skf21("6","2","5","7","3","7","7","1") = "6"
    & skf21("6","2","5","7","4","1","1","1") = "6"
    & skf21("6","2","5","7","4","1","2","1") = "6"
    & skf21("6","2","5","7","4","1","3","1") = "6"
    & skf21("6","2","5","7","4","1","4","1") = "6"
    & skf21("6","2","5","7","4","1","5","1") = "6"
    & skf21("6","2","5","7","4","1","6","1") = "6"
    & skf21("6","2","5","7","4","1","7","1") = "6"
    & skf21("6","2","5","7","4","2","1","1") = "6"
    & skf21("6","2","5","7","4","2","2","1") = "6"
    & skf21("6","2","5","7","4","2","3","1") = "6"
    & skf21("6","2","5","7","4","2","4","1") = "6"
    & skf21("6","2","5","7","4","2","5","1") = "6"
    & skf21("6","2","5","7","4","2","6","1") = "6"
    & skf21("6","2","5","7","4","2","7","1") = "6"
    & skf21("6","2","5","7","4","3","1","1") = "6"
    & skf21("6","2","5","7","4","3","2","1") = "6"
    & skf21("6","2","5","7","4","3","3","1") = "6"
    & skf21("6","2","5","7","4","3","4","1") = "6"
    & skf21("6","2","5","7","4","3","5","1") = "6"
    & skf21("6","2","5","7","4","3","6","1") = "6"
    & skf21("6","2","5","7","4","3","7","1") = "6"
    & skf21("6","2","5","7","4","4","1","1") = "6"
    & skf21("6","2","5","7","4","4","2","1") = "6"
    & skf21("6","2","5","7","4","4","3","1") = "6"
    & skf21("6","2","5","7","4","4","4","1") = "6"
    & skf21("6","2","5","7","4","4","5","1") = "6"
    & skf21("6","2","5","7","4","4","6","1") = "6"
    & skf21("6","2","5","7","4","4","7","1") = "6"
    & skf21("6","2","5","7","4","5","1","1") = "6"
    & skf21("6","2","5","7","4","5","2","1") = "6"
    & skf21("6","2","5","7","4","5","3","1") = "6"
    & skf21("6","2","5","7","4","5","4","1") = "6"
    & skf21("6","2","5","7","4","5","5","1") = "6"
    & skf21("6","2","5","7","4","5","6","1") = "6"
    & skf21("6","2","5","7","4","5","7","1") = "6"
    & skf21("6","2","5","7","4","6","1","1") = "6"
    & skf21("6","2","5","7","4","6","2","1") = "6"
    & skf21("6","2","5","7","4","6","3","1") = "6"
    & skf21("6","2","5","7","4","6","4","1") = "6"
    & skf21("6","2","5","7","4","6","5","1") = "6"
    & skf21("6","2","5","7","4","6","6","1") = "6"
    & skf21("6","2","5","7","4","6","7","1") = "6"
    & skf21("6","2","5","7","4","7","1","1") = "6"
    & skf21("6","2","5","7","4","7","2","1") = "6"
    & skf21("6","2","5","7","4","7","3","1") = "6"
    & skf21("6","2","5","7","4","7","4","1") = "6"
    & skf21("6","2","5","7","4","7","5","1") = "6"
    & skf21("6","2","5","7","4","7","6","1") = "6"
    & skf21("6","2","5","7","4","7","7","1") = "6"
    & skf21("6","2","5","7","5","1","1","1") = "6"
    & skf21("6","2","5","7","5","1","2","1") = "6"
    & skf21("6","2","5","7","5","1","3","1") = "6"
    & skf21("6","2","5","7","5","1","4","1") = "6"
    & skf21("6","2","5","7","5","1","5","1") = "6"
    & skf21("6","2","5","7","5","1","6","1") = "6"
    & skf21("6","2","5","7","5","1","7","1") = "6"
    & skf21("6","2","5","7","5","2","1","1") = "6"
    & skf21("6","2","5","7","5","2","2","1") = "6"
    & skf21("6","2","5","7","5","2","3","1") = "6"
    & skf21("6","2","5","7","5","2","4","1") = "6"
    & skf21("6","2","5","7","5","2","5","1") = "6"
    & skf21("6","2","5","7","5","2","6","1") = "6"
    & skf21("6","2","5","7","5","2","7","1") = "6"
    & skf21("6","2","5","7","5","3","1","1") = "6"
    & skf21("6","2","5","7","5","3","2","1") = "6"
    & skf21("6","2","5","7","5","3","3","1") = "6"
    & skf21("6","2","5","7","5","3","4","1") = "6"
    & skf21("6","2","5","7","5","3","5","1") = "6"
    & skf21("6","2","5","7","5","3","6","1") = "6"
    & skf21("6","2","5","7","5","3","7","1") = "6"
    & skf21("6","2","5","7","5","4","1","1") = "6"
    & skf21("6","2","5","7","5","4","2","1") = "6"
    & skf21("6","2","5","7","5","4","3","1") = "6"
    & skf21("6","2","5","7","5","4","4","1") = "6"
    & skf21("6","2","5","7","5","4","5","1") = "6"
    & skf21("6","2","5","7","5","4","6","1") = "6"
    & skf21("6","2","5","7","5","4","7","1") = "6"
    & skf21("6","2","5","7","5","5","1","1") = "6"
    & skf21("6","2","5","7","5","5","2","1") = "6"
    & skf21("6","2","5","7","5","5","3","1") = "6"
    & skf21("6","2","5","7","5","5","4","1") = "6"
    & skf21("6","2","5","7","5","5","5","1") = "6"
    & skf21("6","2","5","7","5","5","6","1") = "6"
    & skf21("6","2","5","7","5","5","7","1") = "6"
    & skf21("6","2","5","7","5","6","1","1") = "6"
    & skf21("6","2","5","7","5","6","2","1") = "6"
    & skf21("6","2","5","7","5","6","3","1") = "6"
    & skf21("6","2","5","7","5","6","4","1") = "6"
    & skf21("6","2","5","7","5","6","5","1") = "6"
    & skf21("6","2","5","7","5","6","6","1") = "6"
    & skf21("6","2","5","7","5","6","7","1") = "6"
    & skf21("6","2","5","7","5","7","1","1") = "6"
    & skf21("6","2","5","7","5","7","2","1") = "6"
    & skf21("6","2","5","7","5","7","3","1") = "6"
    & skf21("6","2","5","7","5","7","4","1") = "6"
    & skf21("6","2","5","7","5","7","5","1") = "6"
    & skf21("6","2","5","7","5","7","6","1") = "6"
    & skf21("6","2","5","7","5","7","7","1") = "6"
    & skf21("6","2","5","7","6","1","1","1") = "6"
    & skf21("6","2","5","7","6","1","2","1") = "6"
    & skf21("6","2","5","7","6","1","3","1") = "6"
    & skf21("6","2","5","7","6","1","4","1") = "6"
    & skf21("6","2","5","7","6","1","5","1") = "6"
    & skf21("6","2","5","7","6","1","6","1") = "6"
    & skf21("6","2","5","7","6","1","7","1") = "6"
    & skf21("6","2","5","7","6","2","1","1") = "6"
    & skf21("6","2","5","7","6","2","2","1") = "6"
    & skf21("6","2","5","7","6","2","3","1") = "6"
    & skf21("6","2","5","7","6","2","4","1") = "6"
    & skf21("6","2","5","7","6","2","5","1") = "6"
    & skf21("6","2","5","7","6","2","6","1") = "6"
    & skf21("6","2","5","7","6","2","7","1") = "6"
    & skf21("6","2","5","7","6","3","1","1") = "6"
    & skf21("6","2","5","7","6","3","2","1") = "6"
    & skf21("6","2","5","7","6","3","3","1") = "6"
    & skf21("6","2","5","7","6","3","4","1") = "6"
    & skf21("6","2","5","7","6","3","5","1") = "6"
    & skf21("6","2","5","7","6","3","6","1") = "6"
    & skf21("6","2","5","7","6","3","7","1") = "6"
    & skf21("6","2","5","7","6","4","1","1") = "6"
    & skf21("6","2","5","7","6","4","2","1") = "6"
    & skf21("6","2","5","7","6","4","3","1") = "6"
    & skf21("6","2","5","7","6","4","4","1") = "6"
    & skf21("6","2","5","7","6","4","5","1") = "6"
    & skf21("6","2","5","7","6","4","6","1") = "6"
    & skf21("6","2","5","7","6","4","7","1") = "6"
    & skf21("6","2","5","7","6","5","1","1") = "6"
    & skf21("6","2","5","7","6","5","2","1") = "6"
    & skf21("6","2","5","7","6","5","3","1") = "6"
    & skf21("6","2","5","7","6","5","4","1") = "6"
    & skf21("6","2","5","7","6","5","5","1") = "6"
    & skf21("6","2","5","7","6","5","6","1") = "6"
    & skf21("6","2","5","7","6","5","7","1") = "6"
    & skf21("6","2","5","7","6","6","1","1") = "6"
    & skf21("6","2","5","7","6","6","2","1") = "6"
    & skf21("6","2","5","7","6","6","3","1") = "6"
    & skf21("6","2","5","7","6","6","4","1") = "6"
    & skf21("6","2","5","7","6","6","5","1") = "6"
    & skf21("6","2","5","7","6","6","6","1") = "6"
    & skf21("6","2","5","7","6","6","7","1") = "6"
    & skf21("6","2","5","7","6","7","1","1") = "6"
    & skf21("6","2","5","7","6","7","2","1") = "6"
    & skf21("6","2","5","7","6","7","3","1") = "6"
    & skf21("6","2","5","7","6","7","4","1") = "6"
    & skf21("6","2","5","7","6","7","5","1") = "6"
    & skf21("6","2","5","7","6","7","6","1") = "6"
    & skf21("6","2","5","7","6","7","7","1") = "6"
    & skf21("6","2","5","7","7","1","1","1") = "6"
    & skf21("6","2","5","7","7","1","2","1") = "6"
    & skf21("6","2","5","7","7","1","3","1") = "6"
    & skf21("6","2","5","7","7","1","4","1") = "6"
    & skf21("6","2","5","7","7","1","5","1") = "6"
    & skf21("6","2","5","7","7","1","6","1") = "6"
    & skf21("6","2","5","7","7","1","7","1") = "6"
    & skf21("6","2","5","7","7","2","1","1") = "6"
    & skf21("6","2","5","7","7","2","2","1") = "6"
    & skf21("6","2","5","7","7","2","3","1") = "6"
    & skf21("6","2","5","7","7","2","4","1") = "6"
    & skf21("6","2","5","7","7","2","5","1") = "6"
    & skf21("6","2","5","7","7","2","6","1") = "6"
    & skf21("6","2","5","7","7","2","7","1") = "6"
    & skf21("6","2","5","7","7","3","1","1") = "6"
    & skf21("6","2","5","7","7","3","2","1") = "6"
    & skf21("6","2","5","7","7","3","3","1") = "6"
    & skf21("6","2","5","7","7","3","4","1") = "6"
    & skf21("6","2","5","7","7","3","5","1") = "6"
    & skf21("6","2","5","7","7","3","6","1") = "6"
    & skf21("6","2","5","7","7","3","7","1") = "6"
    & skf21("6","2","5","7","7","4","1","1") = "6"
    & skf21("6","2","5","7","7","4","2","1") = "6"
    & skf21("6","2","5","7","7","4","3","1") = "6"
    & skf21("6","2","5","7","7","4","4","1") = "6"
    & skf21("6","2","5","7","7","4","5","1") = "6"
    & skf21("6","2","5","7","7","4","6","1") = "6"
    & skf21("6","2","5","7","7","4","7","1") = "6"
    & skf21("6","2","5","7","7","5","1","1") = "6"
    & skf21("6","2","5","7","7","5","2","1") = "6"
    & skf21("6","2","5","7","7","5","3","1") = "6"
    & skf21("6","2","5","7","7","5","4","1") = "6"
    & skf21("6","2","5","7","7","5","5","1") = "6"
    & skf21("6","2","5","7","7","5","6","1") = "6"
    & skf21("6","2","5","7","7","5","7","1") = "6"
    & skf21("6","2","5","7","7","6","1","1") = "6"
    & skf21("6","2","5","7","7","6","2","1") = "6"
    & skf21("6","2","5","7","7","6","3","1") = "6"
    & skf21("6","2","5","7","7","6","4","1") = "6"
    & skf21("6","2","5","7","7","6","5","1") = "6"
    & skf21("6","2","5","7","7","6","6","1") = "6"
    & skf21("6","2","5","7","7","6","7","1") = "6"
    & skf21("6","2","5","7","7","7","1","1") = "6"
    & skf21("6","2","5","7","7","7","2","1") = "6"
    & skf21("6","2","5","7","7","7","3","1") = "6"
    & skf21("6","2","5","7","7","7","4","1") = "6"
    & skf21("6","2","5","7","7","7","5","1") = "6"
    & skf21("6","2","5","7","7","7","6","1") = "6"
    & skf21("6","2","5","7","7","7","7","1") = "6"
    & skf21("6","2","6","1","1","1","1","1") = "5"
    & skf21("6","2","6","1","1","1","2","1") = "5"
    & skf21("6","2","6","1","1","1","3","1") = "5"
    & skf21("6","2","6","1","1","1","4","1") = "5"
    & skf21("6","2","6","1","1","1","5","1") = "5"
    & skf21("6","2","6","1","1","1","6","1") = "5"
    & skf21("6","2","6","1","1","1","7","1") = "6"
    & skf21("6","2","6","1","1","2","1","1") = "5"
    & skf21("6","2","6","1","1","2","2","1") = "5"
    & skf21("6","2","6","1","1","2","3","1") = "5"
    & skf21("6","2","6","1","1","2","4","1") = "5"
    & skf21("6","2","6","1","1","2","5","1") = "5"
    & skf21("6","2","6","1","1","2","6","1") = "5"
    & skf21("6","2","6","1","1","2","7","1") = "6"
    & skf21("6","2","6","1","1","3","1","1") = "5"
    & skf21("6","2","6","1","1","3","2","1") = "5"
    & skf21("6","2","6","1","1","3","3","1") = "5"
    & skf21("6","2","6","1","1","3","4","1") = "5"
    & skf21("6","2","6","1","1","3","5","1") = "5"
    & skf21("6","2","6","1","1","3","6","1") = "5"
    & skf21("6","2","6","1","1","3","7","1") = "6"
    & skf21("6","2","6","1","1","4","1","1") = "5"
    & skf21("6","2","6","1","1","4","2","1") = "5"
    & skf21("6","2","6","1","1","4","3","1") = "5"
    & skf21("6","2","6","1","1","4","4","1") = "5"
    & skf21("6","2","6","1","1","4","5","1") = "5"
    & skf21("6","2","6","1","1","4","6","1") = "5"
    & skf21("6","2","6","1","1","4","7","1") = "6"
    & skf21("6","2","6","1","1","5","1","1") = "5"
    & skf21("6","2","6","1","1","5","2","1") = "5"
    & skf21("6","2","6","1","1","5","3","1") = "5"
    & skf21("6","2","6","1","1","5","4","1") = "5"
    & skf21("6","2","6","1","1","5","5","1") = "5"
    & skf21("6","2","6","1","1","5","6","1") = "5"
    & skf21("6","2","6","1","1","5","7","1") = "6"
    & skf21("6","2","6","1","1","6","1","1") = "5"
    & skf21("6","2","6","1","1","6","2","1") = "5"
    & skf21("6","2","6","1","1","6","3","1") = "5"
    & skf21("6","2","6","1","1","6","4","1") = "5"
    & skf21("6","2","6","1","1","6","5","1") = "5"
    & skf21("6","2","6","1","1","6","6","1") = "5"
    & skf21("6","2","6","1","1","6","7","1") = "6"
    & skf21("6","2","6","1","1","7","1","1") = "6"
    & skf21("6","2","6","1","1","7","2","1") = "6"
    & skf21("6","2","6","1","1","7","3","1") = "6"
    & skf21("6","2","6","1","1","7","4","1") = "6"
    & skf21("6","2","6","1","1","7","5","1") = "6"
    & skf21("6","2","6","1","1","7","6","1") = "6"
    & skf21("6","2","6","1","1","7","7","1") = "6"
    & skf21("6","2","6","1","2","1","1","1") = "5"
    & skf21("6","2","6","1","2","1","2","1") = "5"
    & skf21("6","2","6","1","2","1","3","1") = "5"
    & skf21("6","2","6","1","2","1","4","1") = "5"
    & skf21("6","2","6","1","2","1","5","1") = "5"
    & skf21("6","2","6","1","2","1","6","1") = "5"
    & skf21("6","2","6","1","2","1","7","1") = "6"
    & skf21("6","2","6","1","2","2","1","1") = "5"
    & skf21("6","2","6","1","2","2","2","1") = "5"
    & skf21("6","2","6","1","2","2","3","1") = "5"
    & skf21("6","2","6","1","2","2","4","1") = "5"
    & skf21("6","2","6","1","2","2","5","1") = "5"
    & skf21("6","2","6","1","2","2","6","1") = "5"
    & skf21("6","2","6","1","2","2","7","1") = "6"
    & skf21("6","2","6","1","2","3","1","1") = "5"
    & skf21("6","2","6","1","2","3","2","1") = "5"
    & skf21("6","2","6","1","2","3","3","1") = "5"
    & skf21("6","2","6","1","2","3","4","1") = "5"
    & skf21("6","2","6","1","2","3","5","1") = "5"
    & skf21("6","2","6","1","2","3","6","1") = "5"
    & skf21("6","2","6","1","2","3","7","1") = "6"
    & skf21("6","2","6","1","2","4","1","1") = "5"
    & skf21("6","2","6","1","2","4","2","1") = "5"
    & skf21("6","2","6","1","2","4","3","1") = "5"
    & skf21("6","2","6","1","2","4","4","1") = "5"
    & skf21("6","2","6","1","2","4","5","1") = "5"
    & skf21("6","2","6","1","2","4","6","1") = "5"
    & skf21("6","2","6","1","2","4","7","1") = "6"
    & skf21("6","2","6","1","2","5","1","1") = "5"
    & skf21("6","2","6","1","2","5","2","1") = "5"
    & skf21("6","2","6","1","2","5","3","1") = "5"
    & skf21("6","2","6","1","2","5","4","1") = "5"
    & skf21("6","2","6","1","2","5","5","1") = "5"
    & skf21("6","2","6","1","2","5","6","1") = "5"
    & skf21("6","2","6","1","2","5","7","1") = "6"
    & skf21("6","2","6","1","2","6","1","1") = "5"
    & skf21("6","2","6","1","2","6","2","1") = "5"
    & skf21("6","2","6","1","2","6","3","1") = "5"
    & skf21("6","2","6","1","2","6","4","1") = "5"
    & skf21("6","2","6","1","2","6","5","1") = "5"
    & skf21("6","2","6","1","2","6","6","1") = "5"
    & skf21("6","2","6","1","2","6","7","1") = "6"
    & skf21("6","2","6","1","2","7","1","1") = "6"
    & skf21("6","2","6","1","2","7","2","1") = "6"
    & skf21("6","2","6","1","2","7","3","1") = "6"
    & skf21("6","2","6","1","2","7","4","1") = "6"
    & skf21("6","2","6","1","2","7","5","1") = "6"
    & skf21("6","2","6","1","2","7","6","1") = "6"
    & skf21("6","2","6","1","2","7","7","1") = "6"
    & skf21("6","2","6","1","3","1","1","1") = "5"
    & skf21("6","2","6","1","3","1","2","1") = "5"
    & skf21("6","2","6","1","3","1","3","1") = "5"
    & skf21("6","2","6","1","3","1","4","1") = "5"
    & skf21("6","2","6","1","3","1","5","1") = "5"
    & skf21("6","2","6","1","3","1","6","1") = "5"
    & skf21("6","2","6","1","3","1","7","1") = "6"
    & skf21("6","2","6","1","3","2","1","1") = "5"
    & skf21("6","2","6","1","3","2","2","1") = "5"
    & skf21("6","2","6","1","3","2","3","1") = "5"
    & skf21("6","2","6","1","3","2","4","1") = "5"
    & skf21("6","2","6","1","3","2","5","1") = "5"
    & skf21("6","2","6","1","3","2","6","1") = "5"
    & skf21("6","2","6","1","3","2","7","1") = "6"
    & skf21("6","2","6","1","3","3","1","1") = "5"
    & skf21("6","2","6","1","3","3","2","1") = "5"
    & skf21("6","2","6","1","3","3","3","1") = "5"
    & skf21("6","2","6","1","3","3","4","1") = "5"
    & skf21("6","2","6","1","3","3","5","1") = "5"
    & skf21("6","2","6","1","3","3","6","1") = "5"
    & skf21("6","2","6","1","3","3","7","1") = "6"
    & skf21("6","2","6","1","3","4","1","1") = "5"
    & skf21("6","2","6","1","3","4","2","1") = "5"
    & skf21("6","2","6","1","3","4","3","1") = "5"
    & skf21("6","2","6","1","3","4","4","1") = "5"
    & skf21("6","2","6","1","3","4","5","1") = "5"
    & skf21("6","2","6","1","3","4","6","1") = "5"
    & skf21("6","2","6","1","3","4","7","1") = "6"
    & skf21("6","2","6","1","3","5","1","1") = "5"
    & skf21("6","2","6","1","3","5","2","1") = "5"
    & skf21("6","2","6","1","3","5","3","1") = "5"
    & skf21("6","2","6","1","3","5","4","1") = "5"
    & skf21("6","2","6","1","3","5","5","1") = "5"
    & skf21("6","2","6","1","3","5","6","1") = "5"
    & skf21("6","2","6","1","3","5","7","1") = "6"
    & skf21("6","2","6","1","3","6","1","1") = "5"
    & skf21("6","2","6","1","3","6","2","1") = "5"
    & skf21("6","2","6","1","3","6","3","1") = "5"
    & skf21("6","2","6","1","3","6","4","1") = "5"
    & skf21("6","2","6","1","3","6","5","1") = "5"
    & skf21("6","2","6","1","3","6","6","1") = "5"
    & skf21("6","2","6","1","3","6","7","1") = "6"
    & skf21("6","2","6","1","3","7","1","1") = "6"
    & skf21("6","2","6","1","3","7","2","1") = "6"
    & skf21("6","2","6","1","3","7","3","1") = "6"
    & skf21("6","2","6","1","3","7","4","1") = "6"
    & skf21("6","2","6","1","3","7","5","1") = "6"
    & skf21("6","2","6","1","3","7","6","1") = "6"
    & skf21("6","2","6","1","3","7","7","1") = "6"
    & skf21("6","2","6","1","4","1","1","1") = "5"
    & skf21("6","2","6","1","4","1","2","1") = "5"
    & skf21("6","2","6","1","4","1","3","1") = "5"
    & skf21("6","2","6","1","4","1","4","1") = "5"
    & skf21("6","2","6","1","4","1","5","1") = "5"
    & skf21("6","2","6","1","4","1","6","1") = "5"
    & skf21("6","2","6","1","4","1","7","1") = "6"
    & skf21("6","2","6","1","4","2","1","1") = "5"
    & skf21("6","2","6","1","4","2","2","1") = "5"
    & skf21("6","2","6","1","4","2","3","1") = "5"
    & skf21("6","2","6","1","4","2","4","1") = "5"
    & skf21("6","2","6","1","4","2","5","1") = "5"
    & skf21("6","2","6","1","4","2","6","1") = "5"
    & skf21("6","2","6","1","4","2","7","1") = "6"
    & skf21("6","2","6","1","4","3","1","1") = "5"
    & skf21("6","2","6","1","4","3","2","1") = "5"
    & skf21("6","2","6","1","4","3","3","1") = "5"
    & skf21("6","2","6","1","4","3","4","1") = "5"
    & skf21("6","2","6","1","4","3","5","1") = "5"
    & skf21("6","2","6","1","4","3","6","1") = "5"
    & skf21("6","2","6","1","4","3","7","1") = "6"
    & skf21("6","2","6","1","4","4","1","1") = "5"
    & skf21("6","2","6","1","4","4","2","1") = "5"
    & skf21("6","2","6","1","4","4","3","1") = "5"
    & skf21("6","2","6","1","4","4","4","1") = "5"
    & skf21("6","2","6","1","4","4","5","1") = "5"
    & skf21("6","2","6","1","4","4","6","1") = "5"
    & skf21("6","2","6","1","4","4","7","1") = "6"
    & skf21("6","2","6","1","4","5","1","1") = "5"
    & skf21("6","2","6","1","4","5","2","1") = "5"
    & skf21("6","2","6","1","4","5","3","1") = "5"
    & skf21("6","2","6","1","4","5","4","1") = "5"
    & skf21("6","2","6","1","4","5","5","1") = "5"
    & skf21("6","2","6","1","4","5","6","1") = "5"
    & skf21("6","2","6","1","4","5","7","1") = "6"
    & skf21("6","2","6","1","4","6","1","1") = "5"
    & skf21("6","2","6","1","4","6","2","1") = "5"
    & skf21("6","2","6","1","4","6","3","1") = "5"
    & skf21("6","2","6","1","4","6","4","1") = "5"
    & skf21("6","2","6","1","4","6","5","1") = "5"
    & skf21("6","2","6","1","4","6","6","1") = "5"
    & skf21("6","2","6","1","4","6","7","1") = "6"
    & skf21("6","2","6","1","4","7","1","1") = "6"
    & skf21("6","2","6","1","4","7","2","1") = "6"
    & skf21("6","2","6","1","4","7","3","1") = "6"
    & skf21("6","2","6","1","4","7","4","1") = "6"
    & skf21("6","2","6","1","4","7","5","1") = "6"
    & skf21("6","2","6","1","4","7","6","1") = "6"
    & skf21("6","2","6","1","4","7","7","1") = "6"
    & skf21("6","2","6","1","5","1","1","1") = "5"
    & skf21("6","2","6","1","5","1","2","1") = "5"
    & skf21("6","2","6","1","5","1","3","1") = "5"
    & skf21("6","2","6","1","5","1","4","1") = "5"
    & skf21("6","2","6","1","5","1","5","1") = "5"
    & skf21("6","2","6","1","5","1","6","1") = "5"
    & skf21("6","2","6","1","5","1","7","1") = "6"
    & skf21("6","2","6","1","5","2","1","1") = "5"
    & skf21("6","2","6","1","5","2","2","1") = "5"
    & skf21("6","2","6","1","5","2","3","1") = "5"
    & skf21("6","2","6","1","5","2","4","1") = "5"
    & skf21("6","2","6","1","5","2","5","1") = "5"
    & skf21("6","2","6","1","5","2","6","1") = "5"
    & skf21("6","2","6","1","5","2","7","1") = "6"
    & skf21("6","2","6","1","5","3","1","1") = "5"
    & skf21("6","2","6","1","5","3","2","1") = "5"
    & skf21("6","2","6","1","5","3","3","1") = "5"
    & skf21("6","2","6","1","5","3","4","1") = "5"
    & skf21("6","2","6","1","5","3","5","1") = "5"
    & skf21("6","2","6","1","5","3","6","1") = "5"
    & skf21("6","2","6","1","5","3","7","1") = "6"
    & skf21("6","2","6","1","5","4","1","1") = "5"
    & skf21("6","2","6","1","5","4","2","1") = "5"
    & skf21("6","2","6","1","5","4","3","1") = "5"
    & skf21("6","2","6","1","5","4","4","1") = "5"
    & skf21("6","2","6","1","5","4","5","1") = "5"
    & skf21("6","2","6","1","5","4","6","1") = "5"
    & skf21("6","2","6","1","5","4","7","1") = "6"
    & skf21("6","2","6","1","5","5","1","1") = "5"
    & skf21("6","2","6","1","5","5","2","1") = "5"
    & skf21("6","2","6","1","5","5","3","1") = "5"
    & skf21("6","2","6","1","5","5","4","1") = "5"
    & skf21("6","2","6","1","5","5","5","1") = "5"
    & skf21("6","2","6","1","5","5","6","1") = "5"
    & skf21("6","2","6","1","5","5","7","1") = "6"
    & skf21("6","2","6","1","5","6","1","1") = "5"
    & skf21("6","2","6","1","5","6","2","1") = "5"
    & skf21("6","2","6","1","5","6","3","1") = "5"
    & skf21("6","2","6","1","5","6","4","1") = "5"
    & skf21("6","2","6","1","5","6","5","1") = "5"
    & skf21("6","2","6","1","5","6","6","1") = "5"
    & skf21("6","2","6","1","5","6","7","1") = "6"
    & skf21("6","2","6","1","5","7","1","1") = "6"
    & skf21("6","2","6","1","5","7","2","1") = "6"
    & skf21("6","2","6","1","5","7","3","1") = "6"
    & skf21("6","2","6","1","5","7","4","1") = "6"
    & skf21("6","2","6","1","5","7","5","1") = "6"
    & skf21("6","2","6","1","5","7","6","1") = "6"
    & skf21("6","2","6","1","5","7","7","1") = "6"
    & skf21("6","2","6","1","6","1","1","1") = "5"
    & skf21("6","2","6","1","6","1","2","1") = "5"
    & skf21("6","2","6","1","6","1","3","1") = "5"
    & skf21("6","2","6","1","6","1","4","1") = "5"
    & skf21("6","2","6","1","6","1","5","1") = "5"
    & skf21("6","2","6","1","6","1","6","1") = "5"
    & skf21("6","2","6","1","6","1","7","1") = "6"
    & skf21("6","2","6","1","6","2","1","1") = "5"
    & skf21("6","2","6","1","6","2","2","1") = "5"
    & skf21("6","2","6","1","6","2","3","1") = "5"
    & skf21("6","2","6","1","6","2","4","1") = "5"
    & skf21("6","2","6","1","6","2","5","1") = "5"
    & skf21("6","2","6","1","6","2","6","1") = "5"
    & skf21("6","2","6","1","6","2","7","1") = "6"
    & skf21("6","2","6","1","6","3","1","1") = "5"
    & skf21("6","2","6","1","6","3","2","1") = "5"
    & skf21("6","2","6","1","6","3","3","1") = "5"
    & skf21("6","2","6","1","6","3","4","1") = "5"
    & skf21("6","2","6","1","6","3","5","1") = "5"
    & skf21("6","2","6","1","6","3","6","1") = "5"
    & skf21("6","2","6","1","6","3","7","1") = "6"
    & skf21("6","2","6","1","6","4","1","1") = "5"
    & skf21("6","2","6","1","6","4","2","1") = "5"
    & skf21("6","2","6","1","6","4","3","1") = "5"
    & skf21("6","2","6","1","6","4","4","1") = "5"
    & skf21("6","2","6","1","6","4","5","1") = "5"
    & skf21("6","2","6","1","6","4","6","1") = "5"
    & skf21("6","2","6","1","6","4","7","1") = "6"
    & skf21("6","2","6","1","6","5","1","1") = "5"
    & skf21("6","2","6","1","6","5","2","1") = "5"
    & skf21("6","2","6","1","6","5","3","1") = "5"
    & skf21("6","2","6","1","6","5","4","1") = "5"
    & skf21("6","2","6","1","6","5","5","1") = "5"
    & skf21("6","2","6","1","6","5","6","1") = "5"
    & skf21("6","2","6","1","6","5","7","1") = "6"
    & skf21("6","2","6","1","6","6","1","1") = "5"
    & skf21("6","2","6","1","6","6","2","1") = "5"
    & skf21("6","2","6","1","6","6","3","1") = "5"
    & skf21("6","2","6","1","6","6","4","1") = "5"
    & skf21("6","2","6","1","6","6","5","1") = "5"
    & skf21("6","2","6","1","6","6","6","1") = "5"
    & skf21("6","2","6","1","6","6","7","1") = "6"
    & skf21("6","2","6","1","6","7","1","1") = "6"
    & skf21("6","2","6","1","6","7","2","1") = "6"
    & skf21("6","2","6","1","6","7","3","1") = "6"
    & skf21("6","2","6","1","6","7","4","1") = "6"
    & skf21("6","2","6","1","6","7","5","1") = "6"
    & skf21("6","2","6","1","6","7","6","1") = "6"
    & skf21("6","2","6","1","6","7","7","1") = "6"
    & skf21("6","2","6","1","7","1","1","1") = "6"
    & skf21("6","2","6","1","7","1","2","1") = "6"
    & skf21("6","2","6","1","7","1","3","1") = "6"
    & skf21("6","2","6","1","7","1","4","1") = "6"
    & skf21("6","2","6","1","7","1","5","1") = "6"
    & skf21("6","2","6","1","7","1","6","1") = "6"
    & skf21("6","2","6","1","7","1","7","1") = "6"
    & skf21("6","2","6","1","7","2","1","1") = "6"
    & skf21("6","2","6","1","7","2","2","1") = "6"
    & skf21("6","2","6","1","7","2","3","1") = "6"
    & skf21("6","2","6","1","7","2","4","1") = "6"
    & skf21("6","2","6","1","7","2","5","1") = "6"
    & skf21("6","2","6","1","7","2","6","1") = "6"
    & skf21("6","2","6","1","7","2","7","1") = "6"
    & skf21("6","2","6","1","7","3","1","1") = "6"
    & skf21("6","2","6","1","7","3","2","1") = "6"
    & skf21("6","2","6","1","7","3","3","1") = "6"
    & skf21("6","2","6","1","7","3","4","1") = "6"
    & skf21("6","2","6","1","7","3","5","1") = "6"
    & skf21("6","2","6","1","7","3","6","1") = "6"
    & skf21("6","2","6","1","7","3","7","1") = "6"
    & skf21("6","2","6","1","7","4","1","1") = "6"
    & skf21("6","2","6","1","7","4","2","1") = "6"
    & skf21("6","2","6","1","7","4","3","1") = "6"
    & skf21("6","2","6","1","7","4","4","1") = "6"
    & skf21("6","2","6","1","7","4","5","1") = "6"
    & skf21("6","2","6","1","7","4","6","1") = "6"
    & skf21("6","2","6","1","7","4","7","1") = "6"
    & skf21("6","2","6","1","7","5","1","1") = "6"
    & skf21("6","2","6","1","7","5","2","1") = "6"
    & skf21("6","2","6","1","7","5","3","1") = "6"
    & skf21("6","2","6","1","7","5","4","1") = "6"
    & skf21("6","2","6","1","7","5","5","1") = "6"
    & skf21("6","2","6","1","7","5","6","1") = "6"
    & skf21("6","2","6","1","7","5","7","1") = "6"
    & skf21("6","2","6","1","7","6","1","1") = "6"
    & skf21("6","2","6","1","7","6","2","1") = "6"
    & skf21("6","2","6","1","7","6","3","1") = "6"
    & skf21("6","2","6","1","7","6","4","1") = "6"
    & skf21("6","2","6","1","7","6","5","1") = "6"
    & skf21("6","2","6","1","7","6","6","1") = "6"
    & skf21("6","2","6","1","7","6","7","1") = "6"
    & skf21("6","2","6","1","7","7","1","1") = "6"
    & skf21("6","2","6","1","7","7","2","1") = "6"
    & skf21("6","2","6","1","7","7","3","1") = "6"
    & skf21("6","2","6","1","7","7","4","1") = "6"
    & skf21("6","2","6","1","7","7","5","1") = "6"
    & skf21("6","2","6","1","7","7","6","1") = "6"
    & skf21("6","2","6","1","7","7","7","1") = "6"
    & skf21("6","2","6","2","1","1","1","1") = "5"
    & skf21("6","2","6","2","1","1","2","1") = "5"
    & skf21("6","2","6","2","1","1","3","1") = "5"
    & skf21("6","2","6","2","1","1","4","1") = "5"
    & skf21("6","2","6","2","1","1","5","1") = "5"
    & skf21("6","2","6","2","1","1","6","1") = "5"
    & skf21("6","2","6","2","1","1","7","1") = "6"
    & skf21("6","2","6","2","1","2","1","1") = "5"
    & skf21("6","2","6","2","1","2","2","1") = "5"
    & skf21("6","2","6","2","1","2","3","1") = "5"
    & skf21("6","2","6","2","1","2","4","1") = "5"
    & skf21("6","2","6","2","1","2","5","1") = "5"
    & skf21("6","2","6","2","1","2","6","1") = "5"
    & skf21("6","2","6","2","1","2","7","1") = "6"
    & skf21("6","2","6","2","1","3","1","1") = "5"
    & skf21("6","2","6","2","1","3","2","1") = "5"
    & skf21("6","2","6","2","1","3","3","1") = "5"
    & skf21("6","2","6","2","1","3","4","1") = "5"
    & skf21("6","2","6","2","1","3","5","1") = "5"
    & skf21("6","2","6","2","1","3","6","1") = "5"
    & skf21("6","2","6","2","1","3","7","1") = "6"
    & skf21("6","2","6","2","1","4","1","1") = "5"
    & skf21("6","2","6","2","1","4","2","1") = "5"
    & skf21("6","2","6","2","1","4","3","1") = "5"
    & skf21("6","2","6","2","1","4","4","1") = "5"
    & skf21("6","2","6","2","1","4","5","1") = "5"
    & skf21("6","2","6","2","1","4","6","1") = "5"
    & skf21("6","2","6","2","1","4","7","1") = "6"
    & skf21("6","2","6","2","1","5","1","1") = "5"
    & skf21("6","2","6","2","1","5","2","1") = "5"
    & skf21("6","2","6","2","1","5","3","1") = "5"
    & skf21("6","2","6","2","1","5","4","1") = "5"
    & skf21("6","2","6","2","1","5","5","1") = "5"
    & skf21("6","2","6","2","1","5","6","1") = "5"
    & skf21("6","2","6","2","1","5","7","1") = "6"
    & skf21("6","2","6","2","1","6","1","1") = "5"
    & skf21("6","2","6","2","1","6","2","1") = "5"
    & skf21("6","2","6","2","1","6","3","1") = "5"
    & skf21("6","2","6","2","1","6","4","1") = "5"
    & skf21("6","2","6","2","1","6","5","1") = "5"
    & skf21("6","2","6","2","1","6","6","1") = "5"
    & skf21("6","2","6","2","1","6","7","1") = "6"
    & skf21("6","2","6","2","1","7","1","1") = "6"
    & skf21("6","2","6","2","1","7","2","1") = "6"
    & skf21("6","2","6","2","1","7","3","1") = "6"
    & skf21("6","2","6","2","1","7","4","1") = "6"
    & skf21("6","2","6","2","1","7","5","1") = "6"
    & skf21("6","2","6","2","1","7","6","1") = "6"
    & skf21("6","2","6","2","1","7","7","1") = "6"
    & skf21("6","2","6","2","2","1","1","1") = "5"
    & skf21("6","2","6","2","2","1","2","1") = "5"
    & skf21("6","2","6","2","2","1","3","1") = "5"
    & skf21("6","2","6","2","2","1","4","1") = "5"
    & skf21("6","2","6","2","2","1","5","1") = "5"
    & skf21("6","2","6","2","2","1","6","1") = "5"
    & skf21("6","2","6","2","2","1","7","1") = "6"
    & skf21("6","2","6","2","2","2","1","1") = "5"
    & skf21("6","2","6","2","2","2","2","1") = "5"
    & skf21("6","2","6","2","2","2","3","1") = "5"
    & skf21("6","2","6","2","2","2","4","1") = "5"
    & skf21("6","2","6","2","2","2","5","1") = "5"
    & skf21("6","2","6","2","2","2","6","1") = "5"
    & skf21("6","2","6","2","2","2","7","1") = "6"
    & skf21("6","2","6","2","2","3","1","1") = "5"
    & skf21("6","2","6","2","2","3","2","1") = "5"
    & skf21("6","2","6","2","2","3","3","1") = "5"
    & skf21("6","2","6","2","2","3","4","1") = "5"
    & skf21("6","2","6","2","2","3","5","1") = "5"
    & skf21("6","2","6","2","2","3","6","1") = "5"
    & skf21("6","2","6","2","2","3","7","1") = "6"
    & skf21("6","2","6","2","2","4","1","1") = "5"
    & skf21("6","2","6","2","2","4","2","1") = "5"
    & skf21("6","2","6","2","2","4","3","1") = "5"
    & skf21("6","2","6","2","2","4","4","1") = "5"
    & skf21("6","2","6","2","2","4","5","1") = "5"
    & skf21("6","2","6","2","2","4","6","1") = "5"
    & skf21("6","2","6","2","2","4","7","1") = "6"
    & skf21("6","2","6","2","2","5","1","1") = "5"
    & skf21("6","2","6","2","2","5","2","1") = "5"
    & skf21("6","2","6","2","2","5","3","1") = "5"
    & skf21("6","2","6","2","2","5","4","1") = "5"
    & skf21("6","2","6","2","2","5","5","1") = "5"
    & skf21("6","2","6","2","2","5","6","1") = "5"
    & skf21("6","2","6","2","2","5","7","1") = "6"
    & skf21("6","2","6","2","2","6","1","1") = "5"
    & skf21("6","2","6","2","2","6","2","1") = "5"
    & skf21("6","2","6","2","2","6","3","1") = "5"
    & skf21("6","2","6","2","2","6","4","1") = "5"
    & skf21("6","2","6","2","2","6","5","1") = "5"
    & skf21("6","2","6","2","2","6","6","1") = "5"
    & skf21("6","2","6","2","2","6","7","1") = "6"
    & skf21("6","2","6","2","2","7","1","1") = "6"
    & skf21("6","2","6","2","2","7","2","1") = "6"
    & skf21("6","2","6","2","2","7","3","1") = "6"
    & skf21("6","2","6","2","2","7","4","1") = "6"
    & skf21("6","2","6","2","2","7","5","1") = "6"
    & skf21("6","2","6","2","2","7","6","1") = "6"
    & skf21("6","2","6","2","2","7","7","1") = "6"
    & skf21("6","2","6","2","3","1","1","1") = "5"
    & skf21("6","2","6","2","3","1","2","1") = "5"
    & skf21("6","2","6","2","3","1","3","1") = "5"
    & skf21("6","2","6","2","3","1","4","1") = "5"
    & skf21("6","2","6","2","3","1","5","1") = "5"
    & skf21("6","2","6","2","3","1","6","1") = "5"
    & skf21("6","2","6","2","3","1","7","1") = "6"
    & skf21("6","2","6","2","3","2","1","1") = "5"
    & skf21("6","2","6","2","3","2","2","1") = "5"
    & skf21("6","2","6","2","3","2","3","1") = "5"
    & skf21("6","2","6","2","3","2","4","1") = "5"
    & skf21("6","2","6","2","3","2","5","1") = "5"
    & skf21("6","2","6","2","3","2","6","1") = "5"
    & skf21("6","2","6","2","3","2","7","1") = "6"
    & skf21("6","2","6","2","3","3","1","1") = "5"
    & skf21("6","2","6","2","3","3","2","1") = "5"
    & skf21("6","2","6","2","3","3","3","1") = "5"
    & skf21("6","2","6","2","3","3","4","1") = "5"
    & skf21("6","2","6","2","3","3","5","1") = "5"
    & skf21("6","2","6","2","3","3","6","1") = "5"
    & skf21("6","2","6","2","3","3","7","1") = "6"
    & skf21("6","2","6","2","3","4","1","1") = "5"
    & skf21("6","2","6","2","3","4","2","1") = "5"
    & skf21("6","2","6","2","3","4","3","1") = "5"
    & skf21("6","2","6","2","3","4","4","1") = "5"
    & skf21("6","2","6","2","3","4","5","1") = "5"
    & skf21("6","2","6","2","3","4","6","1") = "5"
    & skf21("6","2","6","2","3","4","7","1") = "6"
    & skf21("6","2","6","2","3","5","1","1") = "5"
    & skf21("6","2","6","2","3","5","2","1") = "5"
    & skf21("6","2","6","2","3","5","3","1") = "5"
    & skf21("6","2","6","2","3","5","4","1") = "5"
    & skf21("6","2","6","2","3","5","5","1") = "5"
    & skf21("6","2","6","2","3","5","6","1") = "5"
    & skf21("6","2","6","2","3","5","7","1") = "6"
    & skf21("6","2","6","2","3","6","1","1") = "5"
    & skf21("6","2","6","2","3","6","2","1") = "5"
    & skf21("6","2","6","2","3","6","3","1") = "5"
    & skf21("6","2","6","2","3","6","4","1") = "5"
    & skf21("6","2","6","2","3","6","5","1") = "5"
    & skf21("6","2","6","2","3","6","6","1") = "5"
    & skf21("6","2","6","2","3","6","7","1") = "6"
    & skf21("6","2","6","2","3","7","1","1") = "6"
    & skf21("6","2","6","2","3","7","2","1") = "6"
    & skf21("6","2","6","2","3","7","3","1") = "6"
    & skf21("6","2","6","2","3","7","4","1") = "6"
    & skf21("6","2","6","2","3","7","5","1") = "6"
    & skf21("6","2","6","2","3","7","6","1") = "6"
    & skf21("6","2","6","2","3","7","7","1") = "6"
    & skf21("6","2","6","2","4","1","1","1") = "5"
    & skf21("6","2","6","2","4","1","2","1") = "5"
    & skf21("6","2","6","2","4","1","3","1") = "5"
    & skf21("6","2","6","2","4","1","4","1") = "5"
    & skf21("6","2","6","2","4","1","5","1") = "5"
    & skf21("6","2","6","2","4","1","6","1") = "5"
    & skf21("6","2","6","2","4","1","7","1") = "6"
    & skf21("6","2","6","2","4","2","1","1") = "5"
    & skf21("6","2","6","2","4","2","2","1") = "5"
    & skf21("6","2","6","2","4","2","3","1") = "5"
    & skf21("6","2","6","2","4","2","4","1") = "5"
    & skf21("6","2","6","2","4","2","5","1") = "5"
    & skf21("6","2","6","2","4","2","6","1") = "5"
    & skf21("6","2","6","2","4","2","7","1") = "6"
    & skf21("6","2","6","2","4","3","1","1") = "5"
    & skf21("6","2","6","2","4","3","2","1") = "5"
    & skf21("6","2","6","2","4","3","3","1") = "5"
    & skf21("6","2","6","2","4","3","4","1") = "5"
    & skf21("6","2","6","2","4","3","5","1") = "5"
    & skf21("6","2","6","2","4","3","6","1") = "5"
    & skf21("6","2","6","2","4","3","7","1") = "6"
    & skf21("6","2","6","2","4","4","1","1") = "5"
    & skf21("6","2","6","2","4","4","2","1") = "5"
    & skf21("6","2","6","2","4","4","3","1") = "5"
    & skf21("6","2","6","2","4","4","4","1") = "5"
    & skf21("6","2","6","2","4","4","5","1") = "5"
    & skf21("6","2","6","2","4","4","6","1") = "5"
    & skf21("6","2","6","2","4","4","7","1") = "6"
    & skf21("6","2","6","2","4","5","1","1") = "5"
    & skf21("6","2","6","2","4","5","2","1") = "5"
    & skf21("6","2","6","2","4","5","3","1") = "5"
    & skf21("6","2","6","2","4","5","4","1") = "5"
    & skf21("6","2","6","2","4","5","5","1") = "5"
    & skf21("6","2","6","2","4","5","6","1") = "5"
    & skf21("6","2","6","2","4","5","7","1") = "6"
    & skf21("6","2","6","2","4","6","1","1") = "5"
    & skf21("6","2","6","2","4","6","2","1") = "5"
    & skf21("6","2","6","2","4","6","3","1") = "5"
    & skf21("6","2","6","2","4","6","4","1") = "5"
    & skf21("6","2","6","2","4","6","5","1") = "5"
    & skf21("6","2","6","2","4","6","6","1") = "5"
    & skf21("6","2","6","2","4","6","7","1") = "6"
    & skf21("6","2","6","2","4","7","1","1") = "6"
    & skf21("6","2","6","2","4","7","2","1") = "6"
    & skf21("6","2","6","2","4","7","3","1") = "6"
    & skf21("6","2","6","2","4","7","4","1") = "6"
    & skf21("6","2","6","2","4","7","5","1") = "6"
    & skf21("6","2","6","2","4","7","6","1") = "6"
    & skf21("6","2","6","2","4","7","7","1") = "6"
    & skf21("6","2","6","2","5","1","1","1") = "5"
    & skf21("6","2","6","2","5","1","2","1") = "5"
    & skf21("6","2","6","2","5","1","3","1") = "5"
    & skf21("6","2","6","2","5","1","4","1") = "5"
    & skf21("6","2","6","2","5","1","5","1") = "5"
    & skf21("6","2","6","2","5","1","6","1") = "5"
    & skf21("6","2","6","2","5","1","7","1") = "6"
    & skf21("6","2","6","2","5","2","1","1") = "5"
    & skf21("6","2","6","2","5","2","2","1") = "5"
    & skf21("6","2","6","2","5","2","3","1") = "5"
    & skf21("6","2","6","2","5","2","4","1") = "5"
    & skf21("6","2","6","2","5","2","5","1") = "5"
    & skf21("6","2","6","2","5","2","6","1") = "5"
    & skf21("6","2","6","2","5","2","7","1") = "6"
    & skf21("6","2","6","2","5","3","1","1") = "5"
    & skf21("6","2","6","2","5","3","2","1") = "5"
    & skf21("6","2","6","2","5","3","3","1") = "5"
    & skf21("6","2","6","2","5","3","4","1") = "5"
    & skf21("6","2","6","2","5","3","5","1") = "5"
    & skf21("6","2","6","2","5","3","6","1") = "5"
    & skf21("6","2","6","2","5","3","7","1") = "6"
    & skf21("6","2","6","2","5","4","1","1") = "5"
    & skf21("6","2","6","2","5","4","2","1") = "5"
    & skf21("6","2","6","2","5","4","3","1") = "5"
    & skf21("6","2","6","2","5","4","4","1") = "5"
    & skf21("6","2","6","2","5","4","5","1") = "5"
    & skf21("6","2","6","2","5","4","6","1") = "5"
    & skf21("6","2","6","2","5","4","7","1") = "6"
    & skf21("6","2","6","2","5","5","1","1") = "5"
    & skf21("6","2","6","2","5","5","2","1") = "5"
    & skf21("6","2","6","2","5","5","3","1") = "5"
    & skf21("6","2","6","2","5","5","4","1") = "5"
    & skf21("6","2","6","2","5","5","5","1") = "5"
    & skf21("6","2","6","2","5","5","6","1") = "5"
    & skf21("6","2","6","2","5","5","7","1") = "6"
    & skf21("6","2","6","2","5","6","1","1") = "5"
    & skf21("6","2","6","2","5","6","2","1") = "5"
    & skf21("6","2","6","2","5","6","3","1") = "5"
    & skf21("6","2","6","2","5","6","4","1") = "5"
    & skf21("6","2","6","2","5","6","5","1") = "5"
    & skf21("6","2","6","2","5","6","6","1") = "5"
    & skf21("6","2","6","2","5","6","7","1") = "6"
    & skf21("6","2","6","2","5","7","1","1") = "6"
    & skf21("6","2","6","2","5","7","2","1") = "6"
    & skf21("6","2","6","2","5","7","3","1") = "6"
    & skf21("6","2","6","2","5","7","4","1") = "6"
    & skf21("6","2","6","2","5","7","5","1") = "6"
    & skf21("6","2","6","2","5","7","6","1") = "6"
    & skf21("6","2","6","2","5","7","7","1") = "6"
    & skf21("6","2","6","2","6","1","1","1") = "5"
    & skf21("6","2","6","2","6","1","2","1") = "5"
    & skf21("6","2","6","2","6","1","3","1") = "5"
    & skf21("6","2","6","2","6","1","4","1") = "5"
    & skf21("6","2","6","2","6","1","5","1") = "5"
    & skf21("6","2","6","2","6","1","6","1") = "5"
    & skf21("6","2","6","2","6","1","7","1") = "6"
    & skf21("6","2","6","2","6","2","1","1") = "5"
    & skf21("6","2","6","2","6","2","2","1") = "5"
    & skf21("6","2","6","2","6","2","3","1") = "5"
    & skf21("6","2","6","2","6","2","4","1") = "5"
    & skf21("6","2","6","2","6","2","5","1") = "5"
    & skf21("6","2","6","2","6","2","6","1") = "5"
    & skf21("6","2","6","2","6","2","7","1") = "6"
    & skf21("6","2","6","2","6","3","1","1") = "5"
    & skf21("6","2","6","2","6","3","2","1") = "5"
    & skf21("6","2","6","2","6","3","3","1") = "5"
    & skf21("6","2","6","2","6","3","4","1") = "5"
    & skf21("6","2","6","2","6","3","5","1") = "5"
    & skf21("6","2","6","2","6","3","6","1") = "5"
    & skf21("6","2","6","2","6","3","7","1") = "6"
    & skf21("6","2","6","2","6","4","1","1") = "5"
    & skf21("6","2","6","2","6","4","2","1") = "5"
    & skf21("6","2","6","2","6","4","3","1") = "5"
    & skf21("6","2","6","2","6","4","4","1") = "5"
    & skf21("6","2","6","2","6","4","5","1") = "5"
    & skf21("6","2","6","2","6","4","6","1") = "5"
    & skf21("6","2","6","2","6","4","7","1") = "6"
    & skf21("6","2","6","2","6","5","1","1") = "5"
    & skf21("6","2","6","2","6","5","2","1") = "5"
    & skf21("6","2","6","2","6","5","3","1") = "5"
    & skf21("6","2","6","2","6","5","4","1") = "5"
    & skf21("6","2","6","2","6","5","5","1") = "5"
    & skf21("6","2","6","2","6","5","6","1") = "5"
    & skf21("6","2","6","2","6","5","7","1") = "6"
    & skf21("6","2","6","2","6","6","1","1") = "5"
    & skf21("6","2","6","2","6","6","2","1") = "5"
    & skf21("6","2","6","2","6","6","3","1") = "5"
    & skf21("6","2","6","2","6","6","4","1") = "5"
    & skf21("6","2","6","2","6","6","5","1") = "5"
    & skf21("6","2","6","2","6","6","6","1") = "5"
    & skf21("6","2","6","2","6","6","7","1") = "6"
    & skf21("6","2","6","2","6","7","1","1") = "6"
    & skf21("6","2","6","2","6","7","2","1") = "6"
    & skf21("6","2","6","2","6","7","3","1") = "6"
    & skf21("6","2","6","2","6","7","4","1") = "6"
    & skf21("6","2","6","2","6","7","5","1") = "6"
    & skf21("6","2","6","2","6","7","6","1") = "6"
    & skf21("6","2","6","2","6","7","7","1") = "6"
    & skf21("6","2","6","2","7","1","1","1") = "6"
    & skf21("6","2","6","2","7","1","2","1") = "6"
    & skf21("6","2","6","2","7","1","3","1") = "6"
    & skf21("6","2","6","2","7","1","4","1") = "6"
    & skf21("6","2","6","2","7","1","5","1") = "6"
    & skf21("6","2","6","2","7","1","6","1") = "6"
    & skf21("6","2","6","2","7","1","7","1") = "6"
    & skf21("6","2","6","2","7","2","1","1") = "6"
    & skf21("6","2","6","2","7","2","2","1") = "6"
    & skf21("6","2","6","2","7","2","3","1") = "6"
    & skf21("6","2","6","2","7","2","4","1") = "6"
    & skf21("6","2","6","2","7","2","5","1") = "6"
    & skf21("6","2","6","2","7","2","6","1") = "6"
    & skf21("6","2","6","2","7","2","7","1") = "6"
    & skf21("6","2","6","2","7","3","1","1") = "6"
    & skf21("6","2","6","2","7","3","2","1") = "6"
    & skf21("6","2","6","2","7","3","3","1") = "6"
    & skf21("6","2","6","2","7","3","4","1") = "6"
    & skf21("6","2","6","2","7","3","5","1") = "6"
    & skf21("6","2","6","2","7","3","6","1") = "6"
    & skf21("6","2","6","2","7","3","7","1") = "6"
    & skf21("6","2","6","2","7","4","1","1") = "6"
    & skf21("6","2","6","2","7","4","2","1") = "6"
    & skf21("6","2","6","2","7","4","3","1") = "6"
    & skf21("6","2","6","2","7","4","4","1") = "6"
    & skf21("6","2","6","2","7","4","5","1") = "6"
    & skf21("6","2","6","2","7","4","6","1") = "6"
    & skf21("6","2","6","2","7","4","7","1") = "6"
    & skf21("6","2","6","2","7","5","1","1") = "6"
    & skf21("6","2","6","2","7","5","2","1") = "6"
    & skf21("6","2","6","2","7","5","3","1") = "6"
    & skf21("6","2","6","2","7","5","4","1") = "6"
    & skf21("6","2","6","2","7","5","5","1") = "6"
    & skf21("6","2","6","2","7","5","6","1") = "6"
    & skf21("6","2","6","2","7","5","7","1") = "6"
    & skf21("6","2","6","2","7","6","1","1") = "6"
    & skf21("6","2","6","2","7","6","2","1") = "6"
    & skf21("6","2","6","2","7","6","3","1") = "6"
    & skf21("6","2","6","2","7","6","4","1") = "6"
    & skf21("6","2","6","2","7","6","5","1") = "6"
    & skf21("6","2","6","2","7","6","6","1") = "6"
    & skf21("6","2","6","2","7","6","7","1") = "6"
    & skf21("6","2","6","2","7","7","1","1") = "6"
    & skf21("6","2","6","2","7","7","2","1") = "6"
    & skf21("6","2","6","2","7","7","3","1") = "6"
    & skf21("6","2","6","2","7","7","4","1") = "6"
    & skf21("6","2","6","2","7","7","5","1") = "6"
    & skf21("6","2","6","2","7","7","6","1") = "6"
    & skf21("6","2","6","2","7","7","7","1") = "6"
    & skf21("6","2","6","3","1","1","1","1") = "5"
    & skf21("6","2","6","3","1","1","2","1") = "5"
    & skf21("6","2","6","3","1","1","3","1") = "5"
    & skf21("6","2","6","3","1","1","4","1") = "5"
    & skf21("6","2","6","3","1","1","5","1") = "5"
    & skf21("6","2","6","3","1","1","6","1") = "5"
    & skf21("6","2","6","3","1","1","7","1") = "6"
    & skf21("6","2","6","3","1","2","1","1") = "5"
    & skf21("6","2","6","3","1","2","2","1") = "5"
    & skf21("6","2","6","3","1","2","3","1") = "5"
    & skf21("6","2","6","3","1","2","4","1") = "5"
    & skf21("6","2","6","3","1","2","5","1") = "5"
    & skf21("6","2","6","3","1","2","6","1") = "5"
    & skf21("6","2","6","3","1","2","7","1") = "6"
    & skf21("6","2","6","3","1","3","1","1") = "5"
    & skf21("6","2","6","3","1","3","2","1") = "5"
    & skf21("6","2","6","3","1","3","3","1") = "5"
    & skf21("6","2","6","3","1","3","4","1") = "5"
    & skf21("6","2","6","3","1","3","5","1") = "5"
    & skf21("6","2","6","3","1","3","6","1") = "5"
    & skf21("6","2","6","3","1","3","7","1") = "6"
    & skf21("6","2","6","3","1","4","1","1") = "5"
    & skf21("6","2","6","3","1","4","2","1") = "5"
    & skf21("6","2","6","3","1","4","3","1") = "5"
    & skf21("6","2","6","3","1","4","4","1") = "5"
    & skf21("6","2","6","3","1","4","5","1") = "5"
    & skf21("6","2","6","3","1","4","6","1") = "5"
    & skf21("6","2","6","3","1","4","7","1") = "6"
    & skf21("6","2","6","3","1","5","1","1") = "5"
    & skf21("6","2","6","3","1","5","2","1") = "5"
    & skf21("6","2","6","3","1","5","3","1") = "5"
    & skf21("6","2","6","3","1","5","4","1") = "5"
    & skf21("6","2","6","3","1","5","5","1") = "5"
    & skf21("6","2","6","3","1","5","6","1") = "5"
    & skf21("6","2","6","3","1","5","7","1") = "6"
    & skf21("6","2","6","3","1","6","1","1") = "5"
    & skf21("6","2","6","3","1","6","2","1") = "5"
    & skf21("6","2","6","3","1","6","3","1") = "5"
    & skf21("6","2","6","3","1","6","4","1") = "5"
    & skf21("6","2","6","3","1","6","5","1") = "5"
    & skf21("6","2","6","3","1","6","6","1") = "5"
    & skf21("6","2","6","3","1","6","7","1") = "6"
    & skf21("6","2","6","3","1","7","1","1") = "6"
    & skf21("6","2","6","3","1","7","2","1") = "6"
    & skf21("6","2","6","3","1","7","3","1") = "6"
    & skf21("6","2","6","3","1","7","4","1") = "6"
    & skf21("6","2","6","3","1","7","5","1") = "6"
    & skf21("6","2","6","3","1","7","6","1") = "6"
    & skf21("6","2","6","3","1","7","7","1") = "6"
    & skf21("6","2","6","3","2","1","1","1") = "5"
    & skf21("6","2","6","3","2","1","2","1") = "5"
    & skf21("6","2","6","3","2","1","3","1") = "5"
    & skf21("6","2","6","3","2","1","4","1") = "5"
    & skf21("6","2","6","3","2","1","5","1") = "5"
    & skf21("6","2","6","3","2","1","6","1") = "5"
    & skf21("6","2","6","3","2","1","7","1") = "6"
    & skf21("6","2","6","3","2","2","1","1") = "5"
    & skf21("6","2","6","3","2","2","2","1") = "5"
    & skf21("6","2","6","3","2","2","3","1") = "5"
    & skf21("6","2","6","3","2","2","4","1") = "5"
    & skf21("6","2","6","3","2","2","5","1") = "5"
    & skf21("6","2","6","3","2","2","6","1") = "5"
    & skf21("6","2","6","3","2","2","7","1") = "6"
    & skf21("6","2","6","3","2","3","1","1") = "5"
    & skf21("6","2","6","3","2","3","2","1") = "5"
    & skf21("6","2","6","3","2","3","3","1") = "5"
    & skf21("6","2","6","3","2","3","4","1") = "5"
    & skf21("6","2","6","3","2","3","5","1") = "5"
    & skf21("6","2","6","3","2","3","6","1") = "5"
    & skf21("6","2","6","3","2","3","7","1") = "6"
    & skf21("6","2","6","3","2","4","1","1") = "5"
    & skf21("6","2","6","3","2","4","2","1") = "5"
    & skf21("6","2","6","3","2","4","3","1") = "5"
    & skf21("6","2","6","3","2","4","4","1") = "5"
    & skf21("6","2","6","3","2","4","5","1") = "5"
    & skf21("6","2","6","3","2","4","6","1") = "5"
    & skf21("6","2","6","3","2","4","7","1") = "6"
    & skf21("6","2","6","3","2","5","1","1") = "5"
    & skf21("6","2","6","3","2","5","2","1") = "5"
    & skf21("6","2","6","3","2","5","3","1") = "5"
    & skf21("6","2","6","3","2","5","4","1") = "5"
    & skf21("6","2","6","3","2","5","5","1") = "5"
    & skf21("6","2","6","3","2","5","6","1") = "5"
    & skf21("6","2","6","3","2","5","7","1") = "6"
    & skf21("6","2","6","3","2","6","1","1") = "5"
    & skf21("6","2","6","3","2","6","2","1") = "5"
    & skf21("6","2","6","3","2","6","3","1") = "5"
    & skf21("6","2","6","3","2","6","4","1") = "5"
    & skf21("6","2","6","3","2","6","5","1") = "5"
    & skf21("6","2","6","3","2","6","6","1") = "5"
    & skf21("6","2","6","3","2","6","7","1") = "6"
    & skf21("6","2","6","3","2","7","1","1") = "6"
    & skf21("6","2","6","3","2","7","2","1") = "6"
    & skf21("6","2","6","3","2","7","3","1") = "6"
    & skf21("6","2","6","3","2","7","4","1") = "6"
    & skf21("6","2","6","3","2","7","5","1") = "6"
    & skf21("6","2","6","3","2","7","6","1") = "6"
    & skf21("6","2","6","3","2","7","7","1") = "6"
    & skf21("6","2","6","3","3","1","1","1") = "5"
    & skf21("6","2","6","3","3","1","2","1") = "5"
    & skf21("6","2","6","3","3","1","3","1") = "5"
    & skf21("6","2","6","3","3","1","4","1") = "5"
    & skf21("6","2","6","3","3","1","5","1") = "5"
    & skf21("6","2","6","3","3","1","6","1") = "5"
    & skf21("6","2","6","3","3","1","7","1") = "6"
    & skf21("6","2","6","3","3","2","1","1") = "5"
    & skf21("6","2","6","3","3","2","2","1") = "5"
    & skf21("6","2","6","3","3","2","3","1") = "5"
    & skf21("6","2","6","3","3","2","4","1") = "5"
    & skf21("6","2","6","3","3","2","5","1") = "5"
    & skf21("6","2","6","3","3","2","6","1") = "5"
    & skf21("6","2","6","3","3","2","7","1") = "6"
    & skf21("6","2","6","3","3","3","1","1") = "5"
    & skf21("6","2","6","3","3","3","2","1") = "5"
    & skf21("6","2","6","3","3","3","3","1") = "5"
    & skf21("6","2","6","3","3","3","4","1") = "5"
    & skf21("6","2","6","3","3","3","5","1") = "5"
    & skf21("6","2","6","3","3","3","6","1") = "5"
    & skf21("6","2","6","3","3","3","7","1") = "6"
    & skf21("6","2","6","3","3","4","1","1") = "5"
    & skf21("6","2","6","3","3","4","2","1") = "5"
    & skf21("6","2","6","3","3","4","3","1") = "5"
    & skf21("6","2","6","3","3","4","4","1") = "5"
    & skf21("6","2","6","3","3","4","5","1") = "5"
    & skf21("6","2","6","3","3","4","6","1") = "5"
    & skf21("6","2","6","3","3","4","7","1") = "6"
    & skf21("6","2","6","3","3","5","1","1") = "5"
    & skf21("6","2","6","3","3","5","2","1") = "5"
    & skf21("6","2","6","3","3","5","3","1") = "5"
    & skf21("6","2","6","3","3","5","4","1") = "5"
    & skf21("6","2","6","3","3","5","5","1") = "5"
    & skf21("6","2","6","3","3","5","6","1") = "5"
    & skf21("6","2","6","3","3","5","7","1") = "6"
    & skf21("6","2","6","3","3","6","1","1") = "5"
    & skf21("6","2","6","3","3","6","2","1") = "5"
    & skf21("6","2","6","3","3","6","3","1") = "5"
    & skf21("6","2","6","3","3","6","4","1") = "5"
    & skf21("6","2","6","3","3","6","5","1") = "5"
    & skf21("6","2","6","3","3","6","6","1") = "5"
    & skf21("6","2","6","3","3","6","7","1") = "6"
    & skf21("6","2","6","3","3","7","1","1") = "6"
    & skf21("6","2","6","3","3","7","2","1") = "6"
    & skf21("6","2","6","3","3","7","3","1") = "6"
    & skf21("6","2","6","3","3","7","4","1") = "6"
    & skf21("6","2","6","3","3","7","5","1") = "6"
    & skf21("6","2","6","3","3","7","6","1") = "6"
    & skf21("6","2","6","3","3","7","7","1") = "6"
    & skf21("6","2","6","3","4","1","1","1") = "5"
    & skf21("6","2","6","3","4","1","2","1") = "5"
    & skf21("6","2","6","3","4","1","3","1") = "5"
    & skf21("6","2","6","3","4","1","4","1") = "5"
    & skf21("6","2","6","3","4","1","5","1") = "5"
    & skf21("6","2","6","3","4","1","6","1") = "5"
    & skf21("6","2","6","3","4","1","7","1") = "6"
    & skf21("6","2","6","3","4","2","1","1") = "5"
    & skf21("6","2","6","3","4","2","2","1") = "5"
    & skf21("6","2","6","3","4","2","3","1") = "5"
    & skf21("6","2","6","3","4","2","4","1") = "5"
    & skf21("6","2","6","3","4","2","5","1") = "5"
    & skf21("6","2","6","3","4","2","6","1") = "5"
    & skf21("6","2","6","3","4","2","7","1") = "6"
    & skf21("6","2","6","3","4","3","1","1") = "5"
    & skf21("6","2","6","3","4","3","2","1") = "5"
    & skf21("6","2","6","3","4","3","3","1") = "5"
    & skf21("6","2","6","3","4","3","4","1") = "5"
    & skf21("6","2","6","3","4","3","5","1") = "5"
    & skf21("6","2","6","3","4","3","6","1") = "5"
    & skf21("6","2","6","3","4","3","7","1") = "6"
    & skf21("6","2","6","3","4","4","1","1") = "5"
    & skf21("6","2","6","3","4","4","2","1") = "5"
    & skf21("6","2","6","3","4","4","3","1") = "5"
    & skf21("6","2","6","3","4","4","4","1") = "5"
    & skf21("6","2","6","3","4","4","5","1") = "5"
    & skf21("6","2","6","3","4","4","6","1") = "5"
    & skf21("6","2","6","3","4","4","7","1") = "6"
    & skf21("6","2","6","3","4","5","1","1") = "5"
    & skf21("6","2","6","3","4","5","2","1") = "5"
    & skf21("6","2","6","3","4","5","3","1") = "5"
    & skf21("6","2","6","3","4","5","4","1") = "5"
    & skf21("6","2","6","3","4","5","5","1") = "5"
    & skf21("6","2","6","3","4","5","6","1") = "5"
    & skf21("6","2","6","3","4","5","7","1") = "6"
    & skf21("6","2","6","3","4","6","1","1") = "5"
    & skf21("6","2","6","3","4","6","2","1") = "5"
    & skf21("6","2","6","3","4","6","3","1") = "5"
    & skf21("6","2","6","3","4","6","4","1") = "5"
    & skf21("6","2","6","3","4","6","5","1") = "5"
    & skf21("6","2","6","3","4","6","6","1") = "5"
    & skf21("6","2","6","3","4","6","7","1") = "6"
    & skf21("6","2","6","3","4","7","1","1") = "6"
    & skf21("6","2","6","3","4","7","2","1") = "6"
    & skf21("6","2","6","3","4","7","3","1") = "6"
    & skf21("6","2","6","3","4","7","4","1") = "6"
    & skf21("6","2","6","3","4","7","5","1") = "6"
    & skf21("6","2","6","3","4","7","6","1") = "6"
    & skf21("6","2","6","3","4","7","7","1") = "6"
    & skf21("6","2","6","3","5","1","1","1") = "5"
    & skf21("6","2","6","3","5","1","2","1") = "5"
    & skf21("6","2","6","3","5","1","3","1") = "5"
    & skf21("6","2","6","3","5","1","4","1") = "5"
    & skf21("6","2","6","3","5","1","5","1") = "5"
    & skf21("6","2","6","3","5","1","6","1") = "5"
    & skf21("6","2","6","3","5","1","7","1") = "6"
    & skf21("6","2","6","3","5","2","1","1") = "5"
    & skf21("6","2","6","3","5","2","2","1") = "5"
    & skf21("6","2","6","3","5","2","3","1") = "5"
    & skf21("6","2","6","3","5","2","4","1") = "5"
    & skf21("6","2","6","3","5","2","5","1") = "5"
    & skf21("6","2","6","3","5","2","6","1") = "5"
    & skf21("6","2","6","3","5","2","7","1") = "6"
    & skf21("6","2","6","3","5","3","1","1") = "5"
    & skf21("6","2","6","3","5","3","2","1") = "5"
    & skf21("6","2","6","3","5","3","3","1") = "5"
    & skf21("6","2","6","3","5","3","4","1") = "5"
    & skf21("6","2","6","3","5","3","5","1") = "5"
    & skf21("6","2","6","3","5","3","6","1") = "5"
    & skf21("6","2","6","3","5","3","7","1") = "6"
    & skf21("6","2","6","3","5","4","1","1") = "5"
    & skf21("6","2","6","3","5","4","2","1") = "5"
    & skf21("6","2","6","3","5","4","3","1") = "5"
    & skf21("6","2","6","3","5","4","4","1") = "5"
    & skf21("6","2","6","3","5","4","5","1") = "5"
    & skf21("6","2","6","3","5","4","6","1") = "5"
    & skf21("6","2","6","3","5","4","7","1") = "6"
    & skf21("6","2","6","3","5","5","1","1") = "5"
    & skf21("6","2","6","3","5","5","2","1") = "5"
    & skf21("6","2","6","3","5","5","3","1") = "5"
    & skf21("6","2","6","3","5","5","4","1") = "5"
    & skf21("6","2","6","3","5","5","5","1") = "5"
    & skf21("6","2","6","3","5","5","6","1") = "5"
    & skf21("6","2","6","3","5","5","7","1") = "6"
    & skf21("6","2","6","3","5","6","1","1") = "5"
    & skf21("6","2","6","3","5","6","2","1") = "5"
    & skf21("6","2","6","3","5","6","3","1") = "5"
    & skf21("6","2","6","3","5","6","4","1") = "5"
    & skf21("6","2","6","3","5","6","5","1") = "5"
    & skf21("6","2","6","3","5","6","6","1") = "5"
    & skf21("6","2","6","3","5","6","7","1") = "6"
    & skf21("6","2","6","3","5","7","1","1") = "6"
    & skf21("6","2","6","3","5","7","2","1") = "6"
    & skf21("6","2","6","3","5","7","3","1") = "6"
    & skf21("6","2","6","3","5","7","4","1") = "6"
    & skf21("6","2","6","3","5","7","5","1") = "6"
    & skf21("6","2","6","3","5","7","6","1") = "6"
    & skf21("6","2","6","3","5","7","7","1") = "6"
    & skf21("6","2","6","3","6","1","1","1") = "5"
    & skf21("6","2","6","3","6","1","2","1") = "5"
    & skf21("6","2","6","3","6","1","3","1") = "5"
    & skf21("6","2","6","3","6","1","4","1") = "5"
    & skf21("6","2","6","3","6","1","5","1") = "5"
    & skf21("6","2","6","3","6","1","6","1") = "5"
    & skf21("6","2","6","3","6","1","7","1") = "6"
    & skf21("6","2","6","3","6","2","1","1") = "5"
    & skf21("6","2","6","3","6","2","2","1") = "5"
    & skf21("6","2","6","3","6","2","3","1") = "5"
    & skf21("6","2","6","3","6","2","4","1") = "5"
    & skf21("6","2","6","3","6","2","5","1") = "5"
    & skf21("6","2","6","3","6","2","6","1") = "5"
    & skf21("6","2","6","3","6","2","7","1") = "6"
    & skf21("6","2","6","3","6","3","1","1") = "5"
    & skf21("6","2","6","3","6","3","2","1") = "5"
    & skf21("6","2","6","3","6","3","3","1") = "5"
    & skf21("6","2","6","3","6","3","4","1") = "5"
    & skf21("6","2","6","3","6","3","5","1") = "5"
    & skf21("6","2","6","3","6","3","6","1") = "5"
    & skf21("6","2","6","3","6","3","7","1") = "6"
    & skf21("6","2","6","3","6","4","1","1") = "5"
    & skf21("6","2","6","3","6","4","2","1") = "5"
    & skf21("6","2","6","3","6","4","3","1") = "5"
    & skf21("6","2","6","3","6","4","4","1") = "5"
    & skf21("6","2","6","3","6","4","5","1") = "5"
    & skf21("6","2","6","3","6","4","6","1") = "5"
    & skf21("6","2","6","3","6","4","7","1") = "6"
    & skf21("6","2","6","3","6","5","1","1") = "5"
    & skf21("6","2","6","3","6","5","2","1") = "5"
    & skf21("6","2","6","3","6","5","3","1") = "5"
    & skf21("6","2","6","3","6","5","4","1") = "5"
    & skf21("6","2","6","3","6","5","5","1") = "5"
    & skf21("6","2","6","3","6","5","6","1") = "5"
    & skf21("6","2","6","3","6","5","7","1") = "6"
    & skf21("6","2","6","3","6","6","1","1") = "5"
    & skf21("6","2","6","3","6","6","2","1") = "5"
    & skf21("6","2","6","3","6","6","3","1") = "5"
    & skf21("6","2","6","3","6","6","4","1") = "5"
    & skf21("6","2","6","3","6","6","5","1") = "5"
    & skf21("6","2","6","3","6","6","6","1") = "5"
    & skf21("6","2","6","3","6","6","7","1") = "6"
    & skf21("6","2","6","3","6","7","1","1") = "6"
    & skf21("6","2","6","3","6","7","2","1") = "6"
    & skf21("6","2","6","3","6","7","3","1") = "6"
    & skf21("6","2","6","3","6","7","4","1") = "6"
    & skf21("6","2","6","3","6","7","5","1") = "6"
    & skf21("6","2","6","3","6","7","6","1") = "6"
    & skf21("6","2","6","3","6","7","7","1") = "6"
    & skf21("6","2","6","3","7","1","1","1") = "6"
    & skf21("6","2","6","3","7","1","2","1") = "6"
    & skf21("6","2","6","3","7","1","3","1") = "6"
    & skf21("6","2","6","3","7","1","4","1") = "6"
    & skf21("6","2","6","3","7","1","5","1") = "6"
    & skf21("6","2","6","3","7","1","6","1") = "6"
    & skf21("6","2","6","3","7","1","7","1") = "6"
    & skf21("6","2","6","3","7","2","1","1") = "6"
    & skf21("6","2","6","3","7","2","2","1") = "6"
    & skf21("6","2","6","3","7","2","3","1") = "6"
    & skf21("6","2","6","3","7","2","4","1") = "6"
    & skf21("6","2","6","3","7","2","5","1") = "6"
    & skf21("6","2","6","3","7","2","6","1") = "6"
    & skf21("6","2","6","3","7","2","7","1") = "6"
    & skf21("6","2","6","3","7","3","1","1") = "6"
    & skf21("6","2","6","3","7","3","2","1") = "6"
    & skf21("6","2","6","3","7","3","3","1") = "6"
    & skf21("6","2","6","3","7","3","4","1") = "6"
    & skf21("6","2","6","3","7","3","5","1") = "6"
    & skf21("6","2","6","3","7","3","6","1") = "6"
    & skf21("6","2","6","3","7","3","7","1") = "6"
    & skf21("6","2","6","3","7","4","1","1") = "6"
    & skf21("6","2","6","3","7","4","2","1") = "6"
    & skf21("6","2","6","3","7","4","3","1") = "6"
    & skf21("6","2","6","3","7","4","4","1") = "6"
    & skf21("6","2","6","3","7","4","5","1") = "6"
    & skf21("6","2","6","3","7","4","6","1") = "6"
    & skf21("6","2","6","3","7","4","7","1") = "6"
    & skf21("6","2","6","3","7","5","1","1") = "6"
    & skf21("6","2","6","3","7","5","2","1") = "6"
    & skf21("6","2","6","3","7","5","3","1") = "6"
    & skf21("6","2","6","3","7","5","4","1") = "6"
    & skf21("6","2","6","3","7","5","5","1") = "6"
    & skf21("6","2","6","3","7","5","6","1") = "6"
    & skf21("6","2","6","3","7","5","7","1") = "6"
    & skf21("6","2","6","3","7","6","1","1") = "6"
    & skf21("6","2","6","3","7","6","2","1") = "6"
    & skf21("6","2","6","3","7","6","3","1") = "6"
    & skf21("6","2","6","3","7","6","4","1") = "6"
    & skf21("6","2","6","3","7","6","5","1") = "6"
    & skf21("6","2","6","3","7","6","6","1") = "6"
    & skf21("6","2","6","3","7","6","7","1") = "6"
    & skf21("6","2","6","3","7","7","1","1") = "6"
    & skf21("6","2","6","3","7","7","2","1") = "6"
    & skf21("6","2","6","3","7","7","3","1") = "6"
    & skf21("6","2","6","3","7","7","4","1") = "6"
    & skf21("6","2","6","3","7","7","5","1") = "6"
    & skf21("6","2","6","3","7","7","6","1") = "6"
    & skf21("6","2","6","3","7","7","7","1") = "6"
    & skf21("6","2","6","4","1","1","1","1") = "5"
    & skf21("6","2","6","4","1","1","2","1") = "5"
    & skf21("6","2","6","4","1","1","3","1") = "5"
    & skf21("6","2","6","4","1","1","4","1") = "5"
    & skf21("6","2","6","4","1","1","5","1") = "5"
    & skf21("6","2","6","4","1","1","6","1") = "5"
    & skf21("6","2","6","4","1","1","7","1") = "6"
    & skf21("6","2","6","4","1","2","1","1") = "5"
    & skf21("6","2","6","4","1","2","2","1") = "5"
    & skf21("6","2","6","4","1","2","3","1") = "5"
    & skf21("6","2","6","4","1","2","4","1") = "5"
    & skf21("6","2","6","4","1","2","5","1") = "5"
    & skf21("6","2","6","4","1","2","6","1") = "5"
    & skf21("6","2","6","4","1","2","7","1") = "6"
    & skf21("6","2","6","4","1","3","1","1") = "5"
    & skf21("6","2","6","4","1","3","2","1") = "5"
    & skf21("6","2","6","4","1","3","3","1") = "5"
    & skf21("6","2","6","4","1","3","4","1") = "5"
    & skf21("6","2","6","4","1","3","5","1") = "5"
    & skf21("6","2","6","4","1","3","6","1") = "5"
    & skf21("6","2","6","4","1","3","7","1") = "6"
    & skf21("6","2","6","4","1","4","1","1") = "5"
    & skf21("6","2","6","4","1","4","2","1") = "5"
    & skf21("6","2","6","4","1","4","3","1") = "5"
    & skf21("6","2","6","4","1","4","4","1") = "5"
    & skf21("6","2","6","4","1","4","5","1") = "5"
    & skf21("6","2","6","4","1","4","6","1") = "5"
    & skf21("6","2","6","4","1","4","7","1") = "6"
    & skf21("6","2","6","4","1","5","1","1") = "5"
    & skf21("6","2","6","4","1","5","2","1") = "5"
    & skf21("6","2","6","4","1","5","3","1") = "5"
    & skf21("6","2","6","4","1","5","4","1") = "5"
    & skf21("6","2","6","4","1","5","5","1") = "5"
    & skf21("6","2","6","4","1","5","6","1") = "5"
    & skf21("6","2","6","4","1","5","7","1") = "6"
    & skf21("6","2","6","4","1","6","1","1") = "5"
    & skf21("6","2","6","4","1","6","2","1") = "5"
    & skf21("6","2","6","4","1","6","3","1") = "5"
    & skf21("6","2","6","4","1","6","4","1") = "5"
    & skf21("6","2","6","4","1","6","5","1") = "5"
    & skf21("6","2","6","4","1","6","6","1") = "5"
    & skf21("6","2","6","4","1","6","7","1") = "6"
    & skf21("6","2","6","4","1","7","1","1") = "6"
    & skf21("6","2","6","4","1","7","2","1") = "6"
    & skf21("6","2","6","4","1","7","3","1") = "6"
    & skf21("6","2","6","4","1","7","4","1") = "6"
    & skf21("6","2","6","4","1","7","5","1") = "6"
    & skf21("6","2","6","4","1","7","6","1") = "6"
    & skf21("6","2","6","4","1","7","7","1") = "6"
    & skf21("6","2","6","4","2","1","1","1") = "5"
    & skf21("6","2","6","4","2","1","2","1") = "5"
    & skf21("6","2","6","4","2","1","3","1") = "5"
    & skf21("6","2","6","4","2","1","4","1") = "5"
    & skf21("6","2","6","4","2","1","5","1") = "5"
    & skf21("6","2","6","4","2","1","6","1") = "5"
    & skf21("6","2","6","4","2","1","7","1") = "6"
    & skf21("6","2","6","4","2","2","1","1") = "5"
    & skf21("6","2","6","4","2","2","2","1") = "5"
    & skf21("6","2","6","4","2","2","3","1") = "5"
    & skf21("6","2","6","4","2","2","4","1") = "5"
    & skf21("6","2","6","4","2","2","5","1") = "5"
    & skf21("6","2","6","4","2","2","6","1") = "5"
    & skf21("6","2","6","4","2","2","7","1") = "6"
    & skf21("6","2","6","4","2","3","1","1") = "5"
    & skf21("6","2","6","4","2","3","2","1") = "5"
    & skf21("6","2","6","4","2","3","3","1") = "5"
    & skf21("6","2","6","4","2","3","4","1") = "5"
    & skf21("6","2","6","4","2","3","5","1") = "5"
    & skf21("6","2","6","4","2","3","6","1") = "5"
    & skf21("6","2","6","4","2","3","7","1") = "6"
    & skf21("6","2","6","4","2","4","1","1") = "5"
    & skf21("6","2","6","4","2","4","2","1") = "5"
    & skf21("6","2","6","4","2","4","3","1") = "5"
    & skf21("6","2","6","4","2","4","4","1") = "5"
    & skf21("6","2","6","4","2","4","5","1") = "5"
    & skf21("6","2","6","4","2","4","6","1") = "5"
    & skf21("6","2","6","4","2","4","7","1") = "6"
    & skf21("6","2","6","4","2","5","1","1") = "5"
    & skf21("6","2","6","4","2","5","2","1") = "5"
    & skf21("6","2","6","4","2","5","3","1") = "5"
    & skf21("6","2","6","4","2","5","4","1") = "5"
    & skf21("6","2","6","4","2","5","5","1") = "5"
    & skf21("6","2","6","4","2","5","6","1") = "5"
    & skf21("6","2","6","4","2","5","7","1") = "6"
    & skf21("6","2","6","4","2","6","1","1") = "5"
    & skf21("6","2","6","4","2","6","2","1") = "5"
    & skf21("6","2","6","4","2","6","3","1") = "5"
    & skf21("6","2","6","4","2","6","4","1") = "5"
    & skf21("6","2","6","4","2","6","5","1") = "5"
    & skf21("6","2","6","4","2","6","6","1") = "5"
    & skf21("6","2","6","4","2","6","7","1") = "6"
    & skf21("6","2","6","4","2","7","1","1") = "6"
    & skf21("6","2","6","4","2","7","2","1") = "6"
    & skf21("6","2","6","4","2","7","3","1") = "6"
    & skf21("6","2","6","4","2","7","4","1") = "6"
    & skf21("6","2","6","4","2","7","5","1") = "6"
    & skf21("6","2","6","4","2","7","6","1") = "6"
    & skf21("6","2","6","4","2","7","7","1") = "6"
    & skf21("6","2","6","4","3","1","1","1") = "5"
    & skf21("6","2","6","4","3","1","2","1") = "5"
    & skf21("6","2","6","4","3","1","3","1") = "5"
    & skf21("6","2","6","4","3","1","4","1") = "5"
    & skf21("6","2","6","4","3","1","5","1") = "5"
    & skf21("6","2","6","4","3","1","6","1") = "5"
    & skf21("6","2","6","4","3","1","7","1") = "6"
    & skf21("6","2","6","4","3","2","1","1") = "5"
    & skf21("6","2","6","4","3","2","2","1") = "5"
    & skf21("6","2","6","4","3","2","3","1") = "5"
    & skf21("6","2","6","4","3","2","4","1") = "5"
    & skf21("6","2","6","4","3","2","5","1") = "5"
    & skf21("6","2","6","4","3","2","6","1") = "5"
    & skf21("6","2","6","4","3","2","7","1") = "6"
    & skf21("6","2","6","4","3","3","1","1") = "5"
    & skf21("6","2","6","4","3","3","2","1") = "5"
    & skf21("6","2","6","4","3","3","3","1") = "5"
    & skf21("6","2","6","4","3","3","4","1") = "5"
    & skf21("6","2","6","4","3","3","5","1") = "5"
    & skf21("6","2","6","4","3","3","6","1") = "5"
    & skf21("6","2","6","4","3","3","7","1") = "6"
    & skf21("6","2","6","4","3","4","1","1") = "5"
    & skf21("6","2","6","4","3","4","2","1") = "5"
    & skf21("6","2","6","4","3","4","3","1") = "5"
    & skf21("6","2","6","4","3","4","4","1") = "5"
    & skf21("6","2","6","4","3","4","5","1") = "5"
    & skf21("6","2","6","4","3","4","6","1") = "5"
    & skf21("6","2","6","4","3","4","7","1") = "6"
    & skf21("6","2","6","4","3","5","1","1") = "5"
    & skf21("6","2","6","4","3","5","2","1") = "5"
    & skf21("6","2","6","4","3","5","3","1") = "5"
    & skf21("6","2","6","4","3","5","4","1") = "5"
    & skf21("6","2","6","4","3","5","5","1") = "5"
    & skf21("6","2","6","4","3","5","6","1") = "5"
    & skf21("6","2","6","4","3","5","7","1") = "6"
    & skf21("6","2","6","4","3","6","1","1") = "5"
    & skf21("6","2","6","4","3","6","2","1") = "5"
    & skf21("6","2","6","4","3","6","3","1") = "5"
    & skf21("6","2","6","4","3","6","4","1") = "5"
    & skf21("6","2","6","4","3","6","5","1") = "5"
    & skf21("6","2","6","4","3","6","6","1") = "5"
    & skf21("6","2","6","4","3","6","7","1") = "6"
    & skf21("6","2","6","4","3","7","1","1") = "6"
    & skf21("6","2","6","4","3","7","2","1") = "6"
    & skf21("6","2","6","4","3","7","3","1") = "6"
    & skf21("6","2","6","4","3","7","4","1") = "6"
    & skf21("6","2","6","4","3","7","5","1") = "6"
    & skf21("6","2","6","4","3","7","6","1") = "6"
    & skf21("6","2","6","4","3","7","7","1") = "6"
    & skf21("6","2","6","4","4","1","1","1") = "5"
    & skf21("6","2","6","4","4","1","2","1") = "5"
    & skf21("6","2","6","4","4","1","3","1") = "5"
    & skf21("6","2","6","4","4","1","4","1") = "5"
    & skf21("6","2","6","4","4","1","5","1") = "5"
    & skf21("6","2","6","4","4","1","6","1") = "5"
    & skf21("6","2","6","4","4","1","7","1") = "6"
    & skf21("6","2","6","4","4","2","1","1") = "5"
    & skf21("6","2","6","4","4","2","2","1") = "5"
    & skf21("6","2","6","4","4","2","3","1") = "5"
    & skf21("6","2","6","4","4","2","4","1") = "5"
    & skf21("6","2","6","4","4","2","5","1") = "5"
    & skf21("6","2","6","4","4","2","6","1") = "5"
    & skf21("6","2","6","4","4","2","7","1") = "6"
    & skf21("6","2","6","4","4","3","1","1") = "5"
    & skf21("6","2","6","4","4","3","2","1") = "5"
    & skf21("6","2","6","4","4","3","3","1") = "5"
    & skf21("6","2","6","4","4","3","4","1") = "5"
    & skf21("6","2","6","4","4","3","5","1") = "5"
    & skf21("6","2","6","4","4","3","6","1") = "5"
    & skf21("6","2","6","4","4","3","7","1") = "6"
    & skf21("6","2","6","4","4","4","1","1") = "5"
    & skf21("6","2","6","4","4","4","2","1") = "5"
    & skf21("6","2","6","4","4","4","3","1") = "5"
    & skf21("6","2","6","4","4","4","4","1") = "5"
    & skf21("6","2","6","4","4","4","5","1") = "5"
    & skf21("6","2","6","4","4","4","6","1") = "5"
    & skf21("6","2","6","4","4","4","7","1") = "6"
    & skf21("6","2","6","4","4","5","1","1") = "5"
    & skf21("6","2","6","4","4","5","2","1") = "5"
    & skf21("6","2","6","4","4","5","3","1") = "5"
    & skf21("6","2","6","4","4","5","4","1") = "5"
    & skf21("6","2","6","4","4","5","5","1") = "5"
    & skf21("6","2","6","4","4","5","6","1") = "5"
    & skf21("6","2","6","4","4","5","7","1") = "6"
    & skf21("6","2","6","4","4","6","1","1") = "5"
    & skf21("6","2","6","4","4","6","2","1") = "5"
    & skf21("6","2","6","4","4","6","3","1") = "5"
    & skf21("6","2","6","4","4","6","4","1") = "5"
    & skf21("6","2","6","4","4","6","5","1") = "5"
    & skf21("6","2","6","4","4","6","6","1") = "5"
    & skf21("6","2","6","4","4","6","7","1") = "6"
    & skf21("6","2","6","4","4","7","1","1") = "6"
    & skf21("6","2","6","4","4","7","2","1") = "6"
    & skf21("6","2","6","4","4","7","3","1") = "6"
    & skf21("6","2","6","4","4","7","4","1") = "6"
    & skf21("6","2","6","4","4","7","5","1") = "6"
    & skf21("6","2","6","4","4","7","6","1") = "6"
    & skf21("6","2","6","4","4","7","7","1") = "6"
    & skf21("6","2","6","4","5","1","1","1") = "5"
    & skf21("6","2","6","4","5","1","2","1") = "5"
    & skf21("6","2","6","4","5","1","3","1") = "5"
    & skf21("6","2","6","4","5","1","4","1") = "5"
    & skf21("6","2","6","4","5","1","5","1") = "5"
    & skf21("6","2","6","4","5","1","6","1") = "5"
    & skf21("6","2","6","4","5","1","7","1") = "6"
    & skf21("6","2","6","4","5","2","1","1") = "5"
    & skf21("6","2","6","4","5","2","2","1") = "5"
    & skf21("6","2","6","4","5","2","3","1") = "5"
    & skf21("6","2","6","4","5","2","4","1") = "5"
    & skf21("6","2","6","4","5","2","5","1") = "5"
    & skf21("6","2","6","4","5","2","6","1") = "5"
    & skf21("6","2","6","4","5","2","7","1") = "6"
    & skf21("6","2","6","4","5","3","1","1") = "5"
    & skf21("6","2","6","4","5","3","2","1") = "5"
    & skf21("6","2","6","4","5","3","3","1") = "5"
    & skf21("6","2","6","4","5","3","4","1") = "5"
    & skf21("6","2","6","4","5","3","5","1") = "5"
    & skf21("6","2","6","4","5","3","6","1") = "5"
    & skf21("6","2","6","4","5","3","7","1") = "6"
    & skf21("6","2","6","4","5","4","1","1") = "5"
    & skf21("6","2","6","4","5","4","2","1") = "5"
    & skf21("6","2","6","4","5","4","3","1") = "5"
    & skf21("6","2","6","4","5","4","4","1") = "5"
    & skf21("6","2","6","4","5","4","5","1") = "5"
    & skf21("6","2","6","4","5","4","6","1") = "5"
    & skf21("6","2","6","4","5","4","7","1") = "6"
    & skf21("6","2","6","4","5","5","1","1") = "5"
    & skf21("6","2","6","4","5","5","2","1") = "5"
    & skf21("6","2","6","4","5","5","3","1") = "5"
    & skf21("6","2","6","4","5","5","4","1") = "5"
    & skf21("6","2","6","4","5","5","5","1") = "5"
    & skf21("6","2","6","4","5","5","6","1") = "5"
    & skf21("6","2","6","4","5","5","7","1") = "6"
    & skf21("6","2","6","4","5","6","1","1") = "5"
    & skf21("6","2","6","4","5","6","2","1") = "5"
    & skf21("6","2","6","4","5","6","3","1") = "5"
    & skf21("6","2","6","4","5","6","4","1") = "5"
    & skf21("6","2","6","4","5","6","5","1") = "5"
    & skf21("6","2","6","4","5","6","6","1") = "5"
    & skf21("6","2","6","4","5","6","7","1") = "6"
    & skf21("6","2","6","4","5","7","1","1") = "6"
    & skf21("6","2","6","4","5","7","2","1") = "6"
    & skf21("6","2","6","4","5","7","3","1") = "6"
    & skf21("6","2","6","4","5","7","4","1") = "6"
    & skf21("6","2","6","4","5","7","5","1") = "6"
    & skf21("6","2","6","4","5","7","6","1") = "6"
    & skf21("6","2","6","4","5","7","7","1") = "6"
    & skf21("6","2","6","4","6","1","1","1") = "5"
    & skf21("6","2","6","4","6","1","2","1") = "5"
    & skf21("6","2","6","4","6","1","3","1") = "5"
    & skf21("6","2","6","4","6","1","4","1") = "5"
    & skf21("6","2","6","4","6","1","5","1") = "5"
    & skf21("6","2","6","4","6","1","6","1") = "5"
    & skf21("6","2","6","4","6","1","7","1") = "6"
    & skf21("6","2","6","4","6","2","1","1") = "5"
    & skf21("6","2","6","4","6","2","2","1") = "5"
    & skf21("6","2","6","4","6","2","3","1") = "5"
    & skf21("6","2","6","4","6","2","4","1") = "5"
    & skf21("6","2","6","4","6","2","5","1") = "5"
    & skf21("6","2","6","4","6","2","6","1") = "5"
    & skf21("6","2","6","4","6","2","7","1") = "6"
    & skf21("6","2","6","4","6","3","1","1") = "5"
    & skf21("6","2","6","4","6","3","2","1") = "5"
    & skf21("6","2","6","4","6","3","3","1") = "5"
    & skf21("6","2","6","4","6","3","4","1") = "5"
    & skf21("6","2","6","4","6","3","5","1") = "5"
    & skf21("6","2","6","4","6","3","6","1") = "5"
    & skf21("6","2","6","4","6","3","7","1") = "6"
    & skf21("6","2","6","4","6","4","1","1") = "5"
    & skf21("6","2","6","4","6","4","2","1") = "5"
    & skf21("6","2","6","4","6","4","3","1") = "5"
    & skf21("6","2","6","4","6","4","4","1") = "5"
    & skf21("6","2","6","4","6","4","5","1") = "5"
    & skf21("6","2","6","4","6","4","6","1") = "5"
    & skf21("6","2","6","4","6","4","7","1") = "6"
    & skf21("6","2","6","4","6","5","1","1") = "5"
    & skf21("6","2","6","4","6","5","2","1") = "5"
    & skf21("6","2","6","4","6","5","3","1") = "5"
    & skf21("6","2","6","4","6","5","4","1") = "5"
    & skf21("6","2","6","4","6","5","5","1") = "5"
    & skf21("6","2","6","4","6","5","6","1") = "5"
    & skf21("6","2","6","4","6","5","7","1") = "6"
    & skf21("6","2","6","4","6","6","1","1") = "5"
    & skf21("6","2","6","4","6","6","2","1") = "5"
    & skf21("6","2","6","4","6","6","3","1") = "5"
    & skf21("6","2","6","4","6","6","4","1") = "5"
    & skf21("6","2","6","4","6","6","5","1") = "5"
    & skf21("6","2","6","4","6","6","6","1") = "5"
    & skf21("6","2","6","4","6","6","7","1") = "6"
    & skf21("6","2","6","4","6","7","1","1") = "6"
    & skf21("6","2","6","4","6","7","2","1") = "6"
    & skf21("6","2","6","4","6","7","3","1") = "6"
    & skf21("6","2","6","4","6","7","4","1") = "6"
    & skf21("6","2","6","4","6","7","5","1") = "6"
    & skf21("6","2","6","4","6","7","6","1") = "6"
    & skf21("6","2","6","4","6","7","7","1") = "6"
    & skf21("6","2","6","4","7","1","1","1") = "6"
    & skf21("6","2","6","4","7","1","2","1") = "6"
    & skf21("6","2","6","4","7","1","3","1") = "6"
    & skf21("6","2","6","4","7","1","4","1") = "6"
    & skf21("6","2","6","4","7","1","5","1") = "6"
    & skf21("6","2","6","4","7","1","6","1") = "6"
    & skf21("6","2","6","4","7","1","7","1") = "6"
    & skf21("6","2","6","4","7","2","1","1") = "6"
    & skf21("6","2","6","4","7","2","2","1") = "6"
    & skf21("6","2","6","4","7","2","3","1") = "6"
    & skf21("6","2","6","4","7","2","4","1") = "6"
    & skf21("6","2","6","4","7","2","5","1") = "6"
    & skf21("6","2","6","4","7","2","6","1") = "6"
    & skf21("6","2","6","4","7","2","7","1") = "6"
    & skf21("6","2","6","4","7","3","1","1") = "6"
    & skf21("6","2","6","4","7","3","2","1") = "6"
    & skf21("6","2","6","4","7","3","3","1") = "6"
    & skf21("6","2","6","4","7","3","4","1") = "6"
    & skf21("6","2","6","4","7","3","5","1") = "6"
    & skf21("6","2","6","4","7","3","6","1") = "6"
    & skf21("6","2","6","4","7","3","7","1") = "6"
    & skf21("6","2","6","4","7","4","1","1") = "6"
    & skf21("6","2","6","4","7","4","2","1") = "6"
    & skf21("6","2","6","4","7","4","3","1") = "6"
    & skf21("6","2","6","4","7","4","4","1") = "6"
    & skf21("6","2","6","4","7","4","5","1") = "6"
    & skf21("6","2","6","4","7","4","6","1") = "6"
    & skf21("6","2","6","4","7","4","7","1") = "6"
    & skf21("6","2","6","4","7","5","1","1") = "6"
    & skf21("6","2","6","4","7","5","2","1") = "6"
    & skf21("6","2","6","4","7","5","3","1") = "6"
    & skf21("6","2","6","4","7","5","4","1") = "6"
    & skf21("6","2","6","4","7","5","5","1") = "6"
    & skf21("6","2","6","4","7","5","6","1") = "6"
    & skf21("6","2","6","4","7","5","7","1") = "6"
    & skf21("6","2","6","4","7","6","1","1") = "6"
    & skf21("6","2","6","4","7","6","2","1") = "6"
    & skf21("6","2","6","4","7","6","3","1") = "6"
    & skf21("6","2","6","4","7","6","4","1") = "6"
    & skf21("6","2","6","4","7","6","5","1") = "6"
    & skf21("6","2","6","4","7","6","6","1") = "6"
    & skf21("6","2","6","4","7","6","7","1") = "6"
    & skf21("6","2","6","4","7","7","1","1") = "6"
    & skf21("6","2","6","4","7","7","2","1") = "6"
    & skf21("6","2","6","4","7","7","3","1") = "6"
    & skf21("6","2","6","4","7","7","4","1") = "6"
    & skf21("6","2","6","4","7","7","5","1") = "6"
    & skf21("6","2","6","4","7","7","6","1") = "6"
    & skf21("6","2","6","4","7","7","7","1") = "6"
    & skf21("6","2","6","5","1","1","1","1") = "5"
    & skf21("6","2","6","5","1","1","2","1") = "5"
    & skf21("6","2","6","5","1","1","3","1") = "5"
    & skf21("6","2","6","5","1","1","4","1") = "5"
    & skf21("6","2","6","5","1","1","5","1") = "5"
    & skf21("6","2","6","5","1","1","6","1") = "5"
    & skf21("6","2","6","5","1","1","7","1") = "6"
    & skf21("6","2","6","5","1","2","1","1") = "5"
    & skf21("6","2","6","5","1","2","2","1") = "5"
    & skf21("6","2","6","5","1","2","3","1") = "5"
    & skf21("6","2","6","5","1","2","4","1") = "5"
    & skf21("6","2","6","5","1","2","5","1") = "5"
    & skf21("6","2","6","5","1","2","6","1") = "5"
    & skf21("6","2","6","5","1","2","7","1") = "6"
    & skf21("6","2","6","5","1","3","1","1") = "5"
    & skf21("6","2","6","5","1","3","2","1") = "5"
    & skf21("6","2","6","5","1","3","3","1") = "5"
    & skf21("6","2","6","5","1","3","4","1") = "5"
    & skf21("6","2","6","5","1","3","5","1") = "5"
    & skf21("6","2","6","5","1","3","6","1") = "5"
    & skf21("6","2","6","5","1","3","7","1") = "6"
    & skf21("6","2","6","5","1","4","1","1") = "5"
    & skf21("6","2","6","5","1","4","2","1") = "5"
    & skf21("6","2","6","5","1","4","3","1") = "5"
    & skf21("6","2","6","5","1","4","4","1") = "5"
    & skf21("6","2","6","5","1","4","5","1") = "5"
    & skf21("6","2","6","5","1","4","6","1") = "5"
    & skf21("6","2","6","5","1","4","7","1") = "6"
    & skf21("6","2","6","5","1","5","1","1") = "5"
    & skf21("6","2","6","5","1","5","2","1") = "5"
    & skf21("6","2","6","5","1","5","3","1") = "5"
    & skf21("6","2","6","5","1","5","4","1") = "5"
    & skf21("6","2","6","5","1","5","5","1") = "5"
    & skf21("6","2","6","5","1","5","6","1") = "5"
    & skf21("6","2","6","5","1","5","7","1") = "6"
    & skf21("6","2","6","5","1","6","1","1") = "5"
    & skf21("6","2","6","5","1","6","2","1") = "5"
    & skf21("6","2","6","5","1","6","3","1") = "5"
    & skf21("6","2","6","5","1","6","4","1") = "5"
    & skf21("6","2","6","5","1","6","5","1") = "5"
    & skf21("6","2","6","5","1","6","6","1") = "5"
    & skf21("6","2","6","5","1","6","7","1") = "6"
    & skf21("6","2","6","5","1","7","1","1") = "6"
    & skf21("6","2","6","5","1","7","2","1") = "6"
    & skf21("6","2","6","5","1","7","3","1") = "6"
    & skf21("6","2","6","5","1","7","4","1") = "6"
    & skf21("6","2","6","5","1","7","5","1") = "6"
    & skf21("6","2","6","5","1","7","6","1") = "6"
    & skf21("6","2","6","5","1","7","7","1") = "6"
    & skf21("6","2","6","5","2","1","1","1") = "5"
    & skf21("6","2","6","5","2","1","2","1") = "5"
    & skf21("6","2","6","5","2","1","3","1") = "5"
    & skf21("6","2","6","5","2","1","4","1") = "5"
    & skf21("6","2","6","5","2","1","5","1") = "5"
    & skf21("6","2","6","5","2","1","6","1") = "5"
    & skf21("6","2","6","5","2","1","7","1") = "6"
    & skf21("6","2","6","5","2","2","1","1") = "5"
    & skf21("6","2","6","5","2","2","2","1") = "5"
    & skf21("6","2","6","5","2","2","3","1") = "5"
    & skf21("6","2","6","5","2","2","4","1") = "5"
    & skf21("6","2","6","5","2","2","5","1") = "5"
    & skf21("6","2","6","5","2","2","6","1") = "5"
    & skf21("6","2","6","5","2","2","7","1") = "6"
    & skf21("6","2","6","5","2","3","1","1") = "5"
    & skf21("6","2","6","5","2","3","2","1") = "5"
    & skf21("6","2","6","5","2","3","3","1") = "5"
    & skf21("6","2","6","5","2","3","4","1") = "5"
    & skf21("6","2","6","5","2","3","5","1") = "5"
    & skf21("6","2","6","5","2","3","6","1") = "5"
    & skf21("6","2","6","5","2","3","7","1") = "6"
    & skf21("6","2","6","5","2","4","1","1") = "5"
    & skf21("6","2","6","5","2","4","2","1") = "5"
    & skf21("6","2","6","5","2","4","3","1") = "5"
    & skf21("6","2","6","5","2","4","4","1") = "5"
    & skf21("6","2","6","5","2","4","5","1") = "5"
    & skf21("6","2","6","5","2","4","6","1") = "5"
    & skf21("6","2","6","5","2","4","7","1") = "6"
    & skf21("6","2","6","5","2","5","1","1") = "5"
    & skf21("6","2","6","5","2","5","2","1") = "5"
    & skf21("6","2","6","5","2","5","3","1") = "5"
    & skf21("6","2","6","5","2","5","4","1") = "5"
    & skf21("6","2","6","5","2","5","5","1") = "5"
    & skf21("6","2","6","5","2","5","6","1") = "5"
    & skf21("6","2","6","5","2","5","7","1") = "6"
    & skf21("6","2","6","5","2","6","1","1") = "5"
    & skf21("6","2","6","5","2","6","2","1") = "5"
    & skf21("6","2","6","5","2","6","3","1") = "5"
    & skf21("6","2","6","5","2","6","4","1") = "5"
    & skf21("6","2","6","5","2","6","5","1") = "5"
    & skf21("6","2","6","5","2","6","6","1") = "5"
    & skf21("6","2","6","5","2","6","7","1") = "6"
    & skf21("6","2","6","5","2","7","1","1") = "6"
    & skf21("6","2","6","5","2","7","2","1") = "6"
    & skf21("6","2","6","5","2","7","3","1") = "6"
    & skf21("6","2","6","5","2","7","4","1") = "6"
    & skf21("6","2","6","5","2","7","5","1") = "6"
    & skf21("6","2","6","5","2","7","6","1") = "6"
    & skf21("6","2","6","5","2","7","7","1") = "6"
    & skf21("6","2","6","5","3","1","1","1") = "5"
    & skf21("6","2","6","5","3","1","2","1") = "5"
    & skf21("6","2","6","5","3","1","3","1") = "5"
    & skf21("6","2","6","5","3","1","4","1") = "5"
    & skf21("6","2","6","5","3","1","5","1") = "5"
    & skf21("6","2","6","5","3","1","6","1") = "5"
    & skf21("6","2","6","5","3","1","7","1") = "6"
    & skf21("6","2","6","5","3","2","1","1") = "5"
    & skf21("6","2","6","5","3","2","2","1") = "5"
    & skf21("6","2","6","5","3","2","3","1") = "5"
    & skf21("6","2","6","5","3","2","4","1") = "5"
    & skf21("6","2","6","5","3","2","5","1") = "5"
    & skf21("6","2","6","5","3","2","6","1") = "5"
    & skf21("6","2","6","5","3","2","7","1") = "6"
    & skf21("6","2","6","5","3","3","1","1") = "5"
    & skf21("6","2","6","5","3","3","2","1") = "5"
    & skf21("6","2","6","5","3","3","3","1") = "5"
    & skf21("6","2","6","5","3","3","4","1") = "5"
    & skf21("6","2","6","5","3","3","5","1") = "5"
    & skf21("6","2","6","5","3","3","6","1") = "5"
    & skf21("6","2","6","5","3","3","7","1") = "6"
    & skf21("6","2","6","5","3","4","1","1") = "5"
    & skf21("6","2","6","5","3","4","2","1") = "5"
    & skf21("6","2","6","5","3","4","3","1") = "5"
    & skf21("6","2","6","5","3","4","4","1") = "5"
    & skf21("6","2","6","5","3","4","5","1") = "5"
    & skf21("6","2","6","5","3","4","6","1") = "5"
    & skf21("6","2","6","5","3","4","7","1") = "6"
    & skf21("6","2","6","5","3","5","1","1") = "5"
    & skf21("6","2","6","5","3","5","2","1") = "5"
    & skf21("6","2","6","5","3","5","3","1") = "5"
    & skf21("6","2","6","5","3","5","4","1") = "5"
    & skf21("6","2","6","5","3","5","5","1") = "5"
    & skf21("6","2","6","5","3","5","6","1") = "5"
    & skf21("6","2","6","5","3","5","7","1") = "6"
    & skf21("6","2","6","5","3","6","1","1") = "5"
    & skf21("6","2","6","5","3","6","2","1") = "5"
    & skf21("6","2","6","5","3","6","3","1") = "5"
    & skf21("6","2","6","5","3","6","4","1") = "5"
    & skf21("6","2","6","5","3","6","5","1") = "5"
    & skf21("6","2","6","5","3","6","6","1") = "5"
    & skf21("6","2","6","5","3","6","7","1") = "6"
    & skf21("6","2","6","5","3","7","1","1") = "6"
    & skf21("6","2","6","5","3","7","2","1") = "6"
    & skf21("6","2","6","5","3","7","3","1") = "6"
    & skf21("6","2","6","5","3","7","4","1") = "6"
    & skf21("6","2","6","5","3","7","5","1") = "6"
    & skf21("6","2","6","5","3","7","6","1") = "6"
    & skf21("6","2","6","5","3","7","7","1") = "6"
    & skf21("6","2","6","5","4","1","1","1") = "5"
    & skf21("6","2","6","5","4","1","2","1") = "5"
    & skf21("6","2","6","5","4","1","3","1") = "5"
    & skf21("6","2","6","5","4","1","4","1") = "5"
    & skf21("6","2","6","5","4","1","5","1") = "5"
    & skf21("6","2","6","5","4","1","6","1") = "5"
    & skf21("6","2","6","5","4","1","7","1") = "6"
    & skf21("6","2","6","5","4","2","1","1") = "5"
    & skf21("6","2","6","5","4","2","2","1") = "5"
    & skf21("6","2","6","5","4","2","3","1") = "5"
    & skf21("6","2","6","5","4","2","4","1") = "5"
    & skf21("6","2","6","5","4","2","5","1") = "5"
    & skf21("6","2","6","5","4","2","6","1") = "5"
    & skf21("6","2","6","5","4","2","7","1") = "6"
    & skf21("6","2","6","5","4","3","1","1") = "5"
    & skf21("6","2","6","5","4","3","2","1") = "5"
    & skf21("6","2","6","5","4","3","3","1") = "5"
    & skf21("6","2","6","5","4","3","4","1") = "5"
    & skf21("6","2","6","5","4","3","5","1") = "5"
    & skf21("6","2","6","5","4","3","6","1") = "5"
    & skf21("6","2","6","5","4","3","7","1") = "6"
    & skf21("6","2","6","5","4","4","1","1") = "5"
    & skf21("6","2","6","5","4","4","2","1") = "5"
    & skf21("6","2","6","5","4","4","3","1") = "5"
    & skf21("6","2","6","5","4","4","4","1") = "5"
    & skf21("6","2","6","5","4","4","5","1") = "5"
    & skf21("6","2","6","5","4","4","6","1") = "5"
    & skf21("6","2","6","5","4","4","7","1") = "6"
    & skf21("6","2","6","5","4","5","1","1") = "5"
    & skf21("6","2","6","5","4","5","2","1") = "5"
    & skf21("6","2","6","5","4","5","3","1") = "5"
    & skf21("6","2","6","5","4","5","4","1") = "5"
    & skf21("6","2","6","5","4","5","5","1") = "5"
    & skf21("6","2","6","5","4","5","6","1") = "5"
    & skf21("6","2","6","5","4","5","7","1") = "6"
    & skf21("6","2","6","5","4","6","1","1") = "5"
    & skf21("6","2","6","5","4","6","2","1") = "5"
    & skf21("6","2","6","5","4","6","3","1") = "5"
    & skf21("6","2","6","5","4","6","4","1") = "5"
    & skf21("6","2","6","5","4","6","5","1") = "5"
    & skf21("6","2","6","5","4","6","6","1") = "5"
    & skf21("6","2","6","5","4","6","7","1") = "6"
    & skf21("6","2","6","5","4","7","1","1") = "6"
    & skf21("6","2","6","5","4","7","2","1") = "6"
    & skf21("6","2","6","5","4","7","3","1") = "6"
    & skf21("6","2","6","5","4","7","4","1") = "6"
    & skf21("6","2","6","5","4","7","5","1") = "6"
    & skf21("6","2","6","5","4","7","6","1") = "6"
    & skf21("6","2","6","5","4","7","7","1") = "6"
    & skf21("6","2","6","5","5","1","1","1") = "5"
    & skf21("6","2","6","5","5","1","2","1") = "5"
    & skf21("6","2","6","5","5","1","3","1") = "5"
    & skf21("6","2","6","5","5","1","4","1") = "5"
    & skf21("6","2","6","5","5","1","5","1") = "5"
    & skf21("6","2","6","5","5","1","6","1") = "5"
    & skf21("6","2","6","5","5","1","7","1") = "6"
    & skf21("6","2","6","5","5","2","1","1") = "5"
    & skf21("6","2","6","5","5","2","2","1") = "5"
    & skf21("6","2","6","5","5","2","3","1") = "5"
    & skf21("6","2","6","5","5","2","4","1") = "5"
    & skf21("6","2","6","5","5","2","5","1") = "5"
    & skf21("6","2","6","5","5","2","6","1") = "5"
    & skf21("6","2","6","5","5","2","7","1") = "6"
    & skf21("6","2","6","5","5","3","1","1") = "5"
    & skf21("6","2","6","5","5","3","2","1") = "5"
    & skf21("6","2","6","5","5","3","3","1") = "5"
    & skf21("6","2","6","5","5","3","4","1") = "5"
    & skf21("6","2","6","5","5","3","5","1") = "5"
    & skf21("6","2","6","5","5","3","6","1") = "5"
    & skf21("6","2","6","5","5","3","7","1") = "6"
    & skf21("6","2","6","5","5","4","1","1") = "5"
    & skf21("6","2","6","5","5","4","2","1") = "5"
    & skf21("6","2","6","5","5","4","3","1") = "5"
    & skf21("6","2","6","5","5","4","4","1") = "5"
    & skf21("6","2","6","5","5","4","5","1") = "5"
    & skf21("6","2","6","5","5","4","6","1") = "5"
    & skf21("6","2","6","5","5","4","7","1") = "6"
    & skf21("6","2","6","5","5","5","1","1") = "5"
    & skf21("6","2","6","5","5","5","2","1") = "5"
    & skf21("6","2","6","5","5","5","3","1") = "5"
    & skf21("6","2","6","5","5","5","4","1") = "5"
    & skf21("6","2","6","5","5","5","5","1") = "5"
    & skf21("6","2","6","5","5","5","6","1") = "5"
    & skf21("6","2","6","5","5","5","7","1") = "6"
    & skf21("6","2","6","5","5","6","1","1") = "5"
    & skf21("6","2","6","5","5","6","2","1") = "5"
    & skf21("6","2","6","5","5","6","3","1") = "5"
    & skf21("6","2","6","5","5","6","4","1") = "5"
    & skf21("6","2","6","5","5","6","5","1") = "5"
    & skf21("6","2","6","5","5","6","6","1") = "5"
    & skf21("6","2","6","5","5","6","7","1") = "6"
    & skf21("6","2","6","5","5","7","1","1") = "6"
    & skf21("6","2","6","5","5","7","2","1") = "6"
    & skf21("6","2","6","5","5","7","3","1") = "6"
    & skf21("6","2","6","5","5","7","4","1") = "6"
    & skf21("6","2","6","5","5","7","5","1") = "6"
    & skf21("6","2","6","5","5","7","6","1") = "6"
    & skf21("6","2","6","5","5","7","7","1") = "6"
    & skf21("6","2","6","5","6","1","1","1") = "5"
    & skf21("6","2","6","5","6","1","2","1") = "5"
    & skf21("6","2","6","5","6","1","3","1") = "5"
    & skf21("6","2","6","5","6","1","4","1") = "5"
    & skf21("6","2","6","5","6","1","5","1") = "5"
    & skf21("6","2","6","5","6","1","6","1") = "5"
    & skf21("6","2","6","5","6","1","7","1") = "6"
    & skf21("6","2","6","5","6","2","1","1") = "5"
    & skf21("6","2","6","5","6","2","2","1") = "5"
    & skf21("6","2","6","5","6","2","3","1") = "5"
    & skf21("6","2","6","5","6","2","4","1") = "5"
    & skf21("6","2","6","5","6","2","5","1") = "5"
    & skf21("6","2","6","5","6","2","6","1") = "5"
    & skf21("6","2","6","5","6","2","7","1") = "6"
    & skf21("6","2","6","5","6","3","1","1") = "5"
    & skf21("6","2","6","5","6","3","2","1") = "5"
    & skf21("6","2","6","5","6","3","3","1") = "5"
    & skf21("6","2","6","5","6","3","4","1") = "5"
    & skf21("6","2","6","5","6","3","5","1") = "5"
    & skf21("6","2","6","5","6","3","6","1") = "5"
    & skf21("6","2","6","5","6","3","7","1") = "6"
    & skf21("6","2","6","5","6","4","1","1") = "5"
    & skf21("6","2","6","5","6","4","2","1") = "5"
    & skf21("6","2","6","5","6","4","3","1") = "5"
    & skf21("6","2","6","5","6","4","4","1") = "5"
    & skf21("6","2","6","5","6","4","5","1") = "5"
    & skf21("6","2","6","5","6","4","6","1") = "5"
    & skf21("6","2","6","5","6","4","7","1") = "6"
    & skf21("6","2","6","5","6","5","1","1") = "5"
    & skf21("6","2","6","5","6","5","2","1") = "5"
    & skf21("6","2","6","5","6","5","3","1") = "5"
    & skf21("6","2","6","5","6","5","4","1") = "5"
    & skf21("6","2","6","5","6","5","5","1") = "5"
    & skf21("6","2","6","5","6","5","6","1") = "5"
    & skf21("6","2","6","5","6","5","7","1") = "6"
    & skf21("6","2","6","5","6","6","1","1") = "5"
    & skf21("6","2","6","5","6","6","2","1") = "5"
    & skf21("6","2","6","5","6","6","3","1") = "5"
    & skf21("6","2","6","5","6","6","4","1") = "5"
    & skf21("6","2","6","5","6","6","5","1") = "5"
    & skf21("6","2","6","5","6","6","6","1") = "5"
    & skf21("6","2","6","5","6","6","7","1") = "6"
    & skf21("6","2","6","5","6","7","1","1") = "6"
    & skf21("6","2","6","5","6","7","2","1") = "6"
    & skf21("6","2","6","5","6","7","3","1") = "6"
    & skf21("6","2","6","5","6","7","4","1") = "6"
    & skf21("6","2","6","5","6","7","5","1") = "6"
    & skf21("6","2","6","5","6","7","6","1") = "6"
    & skf21("6","2","6","5","6","7","7","1") = "6"
    & skf21("6","2","6","5","7","1","1","1") = "6"
    & skf21("6","2","6","5","7","1","2","1") = "6"
    & skf21("6","2","6","5","7","1","3","1") = "6"
    & skf21("6","2","6","5","7","1","4","1") = "6"
    & skf21("6","2","6","5","7","1","5","1") = "6"
    & skf21("6","2","6","5","7","1","6","1") = "6"
    & skf21("6","2","6","5","7","1","7","1") = "6"
    & skf21("6","2","6","5","7","2","1","1") = "6"
    & skf21("6","2","6","5","7","2","2","1") = "6"
    & skf21("6","2","6","5","7","2","3","1") = "6"
    & skf21("6","2","6","5","7","2","4","1") = "6"
    & skf21("6","2","6","5","7","2","5","1") = "6"
    & skf21("6","2","6","5","7","2","6","1") = "6"
    & skf21("6","2","6","5","7","2","7","1") = "6"
    & skf21("6","2","6","5","7","3","1","1") = "6"
    & skf21("6","2","6","5","7","3","2","1") = "6"
    & skf21("6","2","6","5","7","3","3","1") = "6"
    & skf21("6","2","6","5","7","3","4","1") = "6"
    & skf21("6","2","6","5","7","3","5","1") = "6"
    & skf21("6","2","6","5","7","3","6","1") = "6"
    & skf21("6","2","6","5","7","3","7","1") = "6"
    & skf21("6","2","6","5","7","4","1","1") = "6"
    & skf21("6","2","6","5","7","4","2","1") = "6"
    & skf21("6","2","6","5","7","4","3","1") = "6"
    & skf21("6","2","6","5","7","4","4","1") = "6"
    & skf21("6","2","6","5","7","4","5","1") = "6"
    & skf21("6","2","6","5","7","4","6","1") = "6"
    & skf21("6","2","6","5","7","4","7","1") = "6"
    & skf21("6","2","6","5","7","5","1","1") = "6"
    & skf21("6","2","6","5","7","5","2","1") = "6"
    & skf21("6","2","6","5","7","5","3","1") = "6"
    & skf21("6","2","6","5","7","5","4","1") = "6"
    & skf21("6","2","6","5","7","5","5","1") = "6"
    & skf21("6","2","6","5","7","5","6","1") = "6"
    & skf21("6","2","6","5","7","5","7","1") = "6"
    & skf21("6","2","6","5","7","6","1","1") = "6"
    & skf21("6","2","6","5","7","6","2","1") = "6"
    & skf21("6","2","6","5","7","6","3","1") = "6"
    & skf21("6","2","6","5","7","6","4","1") = "6"
    & skf21("6","2","6","5","7","6","5","1") = "6"
    & skf21("6","2","6","5","7","6","6","1") = "6"
    & skf21("6","2","6","5","7","6","7","1") = "6"
    & skf21("6","2","6","5","7","7","1","1") = "6"
    & skf21("6","2","6","5","7","7","2","1") = "6"
    & skf21("6","2","6","5","7","7","3","1") = "6"
    & skf21("6","2","6","5","7","7","4","1") = "6"
    & skf21("6","2","6","5","7","7","5","1") = "6"
    & skf21("6","2","6","5","7","7","6","1") = "6"
    & skf21("6","2","6","5","7","7","7","1") = "6"
    & skf21("6","2","6","6","1","1","1","1") = "5"
    & skf21("6","2","6","6","1","1","2","1") = "5"
    & skf21("6","2","6","6","1","1","3","1") = "5"
    & skf21("6","2","6","6","1","1","4","1") = "5"
    & skf21("6","2","6","6","1","1","5","1") = "5"
    & skf21("6","2","6","6","1","1","6","1") = "5"
    & skf21("6","2","6","6","1","1","7","1") = "6"
    & skf21("6","2","6","6","1","2","1","1") = "5"
    & skf21("6","2","6","6","1","2","2","1") = "5"
    & skf21("6","2","6","6","1","2","3","1") = "5"
    & skf21("6","2","6","6","1","2","4","1") = "5"
    & skf21("6","2","6","6","1","2","5","1") = "5"
    & skf21("6","2","6","6","1","2","6","1") = "5"
    & skf21("6","2","6","6","1","2","7","1") = "6"
    & skf21("6","2","6","6","1","3","1","1") = "5"
    & skf21("6","2","6","6","1","3","2","1") = "5"
    & skf21("6","2","6","6","1","3","3","1") = "5"
    & skf21("6","2","6","6","1","3","4","1") = "5"
    & skf21("6","2","6","6","1","3","5","1") = "5"
    & skf21("6","2","6","6","1","3","6","1") = "5"
    & skf21("6","2","6","6","1","3","7","1") = "6"
    & skf21("6","2","6","6","1","4","1","1") = "5"
    & skf21("6","2","6","6","1","4","2","1") = "5"
    & skf21("6","2","6","6","1","4","3","1") = "5"
    & skf21("6","2","6","6","1","4","4","1") = "5"
    & skf21("6","2","6","6","1","4","5","1") = "5"
    & skf21("6","2","6","6","1","4","6","1") = "5"
    & skf21("6","2","6","6","1","4","7","1") = "6"
    & skf21("6","2","6","6","1","5","1","1") = "5"
    & skf21("6","2","6","6","1","5","2","1") = "5"
    & skf21("6","2","6","6","1","5","3","1") = "5"
    & skf21("6","2","6","6","1","5","4","1") = "5"
    & skf21("6","2","6","6","1","5","5","1") = "5"
    & skf21("6","2","6","6","1","5","6","1") = "5"
    & skf21("6","2","6","6","1","5","7","1") = "6"
    & skf21("6","2","6","6","1","6","1","1") = "5"
    & skf21("6","2","6","6","1","6","2","1") = "5"
    & skf21("6","2","6","6","1","6","3","1") = "5"
    & skf21("6","2","6","6","1","6","4","1") = "5"
    & skf21("6","2","6","6","1","6","5","1") = "5"
    & skf21("6","2","6","6","1","6","6","1") = "5"
    & skf21("6","2","6","6","1","6","7","1") = "6"
    & skf21("6","2","6","6","1","7","1","1") = "6"
    & skf21("6","2","6","6","1","7","2","1") = "6"
    & skf21("6","2","6","6","1","7","3","1") = "6"
    & skf21("6","2","6","6","1","7","4","1") = "6"
    & skf21("6","2","6","6","1","7","5","1") = "6"
    & skf21("6","2","6","6","1","7","6","1") = "6"
    & skf21("6","2","6","6","1","7","7","1") = "6"
    & skf21("6","2","6","6","2","1","1","1") = "5"
    & skf21("6","2","6","6","2","1","2","1") = "5"
    & skf21("6","2","6","6","2","1","3","1") = "5"
    & skf21("6","2","6","6","2","1","4","1") = "5"
    & skf21("6","2","6","6","2","1","5","1") = "5"
    & skf21("6","2","6","6","2","1","6","1") = "5"
    & skf21("6","2","6","6","2","1","7","1") = "6"
    & skf21("6","2","6","6","2","2","1","1") = "5"
    & skf21("6","2","6","6","2","2","2","1") = "5"
    & skf21("6","2","6","6","2","2","3","1") = "5"
    & skf21("6","2","6","6","2","2","4","1") = "5"
    & skf21("6","2","6","6","2","2","5","1") = "5"
    & skf21("6","2","6","6","2","2","6","1") = "5"
    & skf21("6","2","6","6","2","2","7","1") = "6"
    & skf21("6","2","6","6","2","3","1","1") = "5"
    & skf21("6","2","6","6","2","3","2","1") = "5"
    & skf21("6","2","6","6","2","3","3","1") = "5"
    & skf21("6","2","6","6","2","3","4","1") = "5"
    & skf21("6","2","6","6","2","3","5","1") = "5"
    & skf21("6","2","6","6","2","3","6","1") = "5"
    & skf21("6","2","6","6","2","3","7","1") = "6"
    & skf21("6","2","6","6","2","4","1","1") = "5"
    & skf21("6","2","6","6","2","4","2","1") = "5"
    & skf21("6","2","6","6","2","4","3","1") = "5"
    & skf21("6","2","6","6","2","4","4","1") = "5"
    & skf21("6","2","6","6","2","4","5","1") = "5"
    & skf21("6","2","6","6","2","4","6","1") = "5"
    & skf21("6","2","6","6","2","4","7","1") = "6"
    & skf21("6","2","6","6","2","5","1","1") = "5"
    & skf21("6","2","6","6","2","5","2","1") = "5"
    & skf21("6","2","6","6","2","5","3","1") = "5"
    & skf21("6","2","6","6","2","5","4","1") = "5"
    & skf21("6","2","6","6","2","5","5","1") = "5"
    & skf21("6","2","6","6","2","5","6","1") = "5"
    & skf21("6","2","6","6","2","5","7","1") = "6"
    & skf21("6","2","6","6","2","6","1","1") = "5"
    & skf21("6","2","6","6","2","6","2","1") = "5"
    & skf21("6","2","6","6","2","6","3","1") = "5"
    & skf21("6","2","6","6","2","6","4","1") = "5"
    & skf21("6","2","6","6","2","6","5","1") = "5"
    & skf21("6","2","6","6","2","6","6","1") = "5"
    & skf21("6","2","6","6","2","6","7","1") = "6"
    & skf21("6","2","6","6","2","7","1","1") = "6"
    & skf21("6","2","6","6","2","7","2","1") = "6"
    & skf21("6","2","6","6","2","7","3","1") = "6"
    & skf21("6","2","6","6","2","7","4","1") = "6"
    & skf21("6","2","6","6","2","7","5","1") = "6"
    & skf21("6","2","6","6","2","7","6","1") = "6"
    & skf21("6","2","6","6","2","7","7","1") = "6"
    & skf21("6","2","6","6","3","1","1","1") = "5"
    & skf21("6","2","6","6","3","1","2","1") = "5"
    & skf21("6","2","6","6","3","1","3","1") = "5"
    & skf21("6","2","6","6","3","1","4","1") = "5"
    & skf21("6","2","6","6","3","1","5","1") = "5"
    & skf21("6","2","6","6","3","1","6","1") = "5"
    & skf21("6","2","6","6","3","1","7","1") = "6"
    & skf21("6","2","6","6","3","2","1","1") = "5"
    & skf21("6","2","6","6","3","2","2","1") = "5"
    & skf21("6","2","6","6","3","2","3","1") = "5"
    & skf21("6","2","6","6","3","2","4","1") = "5"
    & skf21("6","2","6","6","3","2","5","1") = "5"
    & skf21("6","2","6","6","3","2","6","1") = "5"
    & skf21("6","2","6","6","3","2","7","1") = "6"
    & skf21("6","2","6","6","3","3","1","1") = "5"
    & skf21("6","2","6","6","3","3","2","1") = "5"
    & skf21("6","2","6","6","3","3","3","1") = "5"
    & skf21("6","2","6","6","3","3","4","1") = "5"
    & skf21("6","2","6","6","3","3","5","1") = "5"
    & skf21("6","2","6","6","3","3","6","1") = "5"
    & skf21("6","2","6","6","3","3","7","1") = "6"
    & skf21("6","2","6","6","3","4","1","1") = "5"
    & skf21("6","2","6","6","3","4","2","1") = "5"
    & skf21("6","2","6","6","3","4","3","1") = "5"
    & skf21("6","2","6","6","3","4","4","1") = "5"
    & skf21("6","2","6","6","3","4","5","1") = "5"
    & skf21("6","2","6","6","3","4","6","1") = "5"
    & skf21("6","2","6","6","3","4","7","1") = "6"
    & skf21("6","2","6","6","3","5","1","1") = "5"
    & skf21("6","2","6","6","3","5","2","1") = "5"
    & skf21("6","2","6","6","3","5","3","1") = "5"
    & skf21("6","2","6","6","3","5","4","1") = "5"
    & skf21("6","2","6","6","3","5","5","1") = "5"
    & skf21("6","2","6","6","3","5","6","1") = "5"
    & skf21("6","2","6","6","3","5","7","1") = "6"
    & skf21("6","2","6","6","3","6","1","1") = "5"
    & skf21("6","2","6","6","3","6","2","1") = "5"
    & skf21("6","2","6","6","3","6","3","1") = "5"
    & skf21("6","2","6","6","3","6","4","1") = "5"
    & skf21("6","2","6","6","3","6","5","1") = "5"
    & skf21("6","2","6","6","3","6","6","1") = "5"
    & skf21("6","2","6","6","3","6","7","1") = "6"
    & skf21("6","2","6","6","3","7","1","1") = "6"
    & skf21("6","2","6","6","3","7","2","1") = "6"
    & skf21("6","2","6","6","3","7","3","1") = "6"
    & skf21("6","2","6","6","3","7","4","1") = "6"
    & skf21("6","2","6","6","3","7","5","1") = "6"
    & skf21("6","2","6","6","3","7","6","1") = "6"
    & skf21("6","2","6","6","3","7","7","1") = "6"
    & skf21("6","2","6","6","4","1","1","1") = "5"
    & skf21("6","2","6","6","4","1","2","1") = "5"
    & skf21("6","2","6","6","4","1","3","1") = "5"
    & skf21("6","2","6","6","4","1","4","1") = "5"
    & skf21("6","2","6","6","4","1","5","1") = "5"
    & skf21("6","2","6","6","4","1","6","1") = "5"
    & skf21("6","2","6","6","4","1","7","1") = "6"
    & skf21("6","2","6","6","4","2","1","1") = "5"
    & skf21("6","2","6","6","4","2","2","1") = "5"
    & skf21("6","2","6","6","4","2","3","1") = "5"
    & skf21("6","2","6","6","4","2","4","1") = "5"
    & skf21("6","2","6","6","4","2","5","1") = "5"
    & skf21("6","2","6","6","4","2","6","1") = "5"
    & skf21("6","2","6","6","4","2","7","1") = "6"
    & skf21("6","2","6","6","4","3","1","1") = "5"
    & skf21("6","2","6","6","4","3","2","1") = "5"
    & skf21("6","2","6","6","4","3","3","1") = "5"
    & skf21("6","2","6","6","4","3","4","1") = "5"
    & skf21("6","2","6","6","4","3","5","1") = "5"
    & skf21("6","2","6","6","4","3","6","1") = "5"
    & skf21("6","2","6","6","4","3","7","1") = "6"
    & skf21("6","2","6","6","4","4","1","1") = "5"
    & skf21("6","2","6","6","4","4","2","1") = "5"
    & skf21("6","2","6","6","4","4","3","1") = "5"
    & skf21("6","2","6","6","4","4","4","1") = "5"
    & skf21("6","2","6","6","4","4","5","1") = "5"
    & skf21("6","2","6","6","4","4","6","1") = "5"
    & skf21("6","2","6","6","4","4","7","1") = "6"
    & skf21("6","2","6","6","4","5","1","1") = "5"
    & skf21("6","2","6","6","4","5","2","1") = "5"
    & skf21("6","2","6","6","4","5","3","1") = "5"
    & skf21("6","2","6","6","4","5","4","1") = "5"
    & skf21("6","2","6","6","4","5","5","1") = "5"
    & skf21("6","2","6","6","4","5","6","1") = "5"
    & skf21("6","2","6","6","4","5","7","1") = "6"
    & skf21("6","2","6","6","4","6","1","1") = "5"
    & skf21("6","2","6","6","4","6","2","1") = "5"
    & skf21("6","2","6","6","4","6","3","1") = "5"
    & skf21("6","2","6","6","4","6","4","1") = "5"
    & skf21("6","2","6","6","4","6","5","1") = "5"
    & skf21("6","2","6","6","4","6","6","1") = "5"
    & skf21("6","2","6","6","4","6","7","1") = "6"
    & skf21("6","2","6","6","4","7","1","1") = "6"
    & skf21("6","2","6","6","4","7","2","1") = "6"
    & skf21("6","2","6","6","4","7","3","1") = "6"
    & skf21("6","2","6","6","4","7","4","1") = "6"
    & skf21("6","2","6","6","4","7","5","1") = "6"
    & skf21("6","2","6","6","4","7","6","1") = "6"
    & skf21("6","2","6","6","4","7","7","1") = "6"
    & skf21("6","2","6","6","5","1","1","1") = "5"
    & skf21("6","2","6","6","5","1","2","1") = "5"
    & skf21("6","2","6","6","5","1","3","1") = "5"
    & skf21("6","2","6","6","5","1","4","1") = "5"
    & skf21("6","2","6","6","5","1","5","1") = "5"
    & skf21("6","2","6","6","5","1","6","1") = "5"
    & skf21("6","2","6","6","5","1","7","1") = "6"
    & skf21("6","2","6","6","5","2","1","1") = "5"
    & skf21("6","2","6","6","5","2","2","1") = "5"
    & skf21("6","2","6","6","5","2","3","1") = "5"
    & skf21("6","2","6","6","5","2","4","1") = "5"
    & skf21("6","2","6","6","5","2","5","1") = "5"
    & skf21("6","2","6","6","5","2","6","1") = "5"
    & skf21("6","2","6","6","5","2","7","1") = "6"
    & skf21("6","2","6","6","5","3","1","1") = "5"
    & skf21("6","2","6","6","5","3","2","1") = "5"
    & skf21("6","2","6","6","5","3","3","1") = "5"
    & skf21("6","2","6","6","5","3","4","1") = "5"
    & skf21("6","2","6","6","5","3","5","1") = "5"
    & skf21("6","2","6","6","5","3","6","1") = "5"
    & skf21("6","2","6","6","5","3","7","1") = "6"
    & skf21("6","2","6","6","5","4","1","1") = "5"
    & skf21("6","2","6","6","5","4","2","1") = "5"
    & skf21("6","2","6","6","5","4","3","1") = "5"
    & skf21("6","2","6","6","5","4","4","1") = "5"
    & skf21("6","2","6","6","5","4","5","1") = "5"
    & skf21("6","2","6","6","5","4","6","1") = "5"
    & skf21("6","2","6","6","5","4","7","1") = "6"
    & skf21("6","2","6","6","5","5","1","1") = "5"
    & skf21("6","2","6","6","5","5","2","1") = "5"
    & skf21("6","2","6","6","5","5","3","1") = "5"
    & skf21("6","2","6","6","5","5","4","1") = "5"
    & skf21("6","2","6","6","5","5","5","1") = "5"
    & skf21("6","2","6","6","5","5","6","1") = "5"
    & skf21("6","2","6","6","5","5","7","1") = "6"
    & skf21("6","2","6","6","5","6","1","1") = "5"
    & skf21("6","2","6","6","5","6","2","1") = "5"
    & skf21("6","2","6","6","5","6","3","1") = "5"
    & skf21("6","2","6","6","5","6","4","1") = "5"
    & skf21("6","2","6","6","5","6","5","1") = "5"
    & skf21("6","2","6","6","5","6","6","1") = "5"
    & skf21("6","2","6","6","5","6","7","1") = "6"
    & skf21("6","2","6","6","5","7","1","1") = "6"
    & skf21("6","2","6","6","5","7","2","1") = "6"
    & skf21("6","2","6","6","5","7","3","1") = "6"
    & skf21("6","2","6","6","5","7","4","1") = "6"
    & skf21("6","2","6","6","5","7","5","1") = "6"
    & skf21("6","2","6","6","5","7","6","1") = "6"
    & skf21("6","2","6","6","5","7","7","1") = "6"
    & skf21("6","2","6","6","6","1","1","1") = "5"
    & skf21("6","2","6","6","6","1","2","1") = "5"
    & skf21("6","2","6","6","6","1","3","1") = "5"
    & skf21("6","2","6","6","6","1","4","1") = "5"
    & skf21("6","2","6","6","6","1","5","1") = "5"
    & skf21("6","2","6","6","6","1","6","1") = "5"
    & skf21("6","2","6","6","6","1","7","1") = "6"
    & skf21("6","2","6","6","6","2","1","1") = "5"
    & skf21("6","2","6","6","6","2","2","1") = "5"
    & skf21("6","2","6","6","6","2","3","1") = "5"
    & skf21("6","2","6","6","6","2","4","1") = "5"
    & skf21("6","2","6","6","6","2","5","1") = "5"
    & skf21("6","2","6","6","6","2","6","1") = "5"
    & skf21("6","2","6","6","6","2","7","1") = "6"
    & skf21("6","2","6","6","6","3","1","1") = "5"
    & skf21("6","2","6","6","6","3","2","1") = "5"
    & skf21("6","2","6","6","6","3","3","1") = "5"
    & skf21("6","2","6","6","6","3","4","1") = "5"
    & skf21("6","2","6","6","6","3","5","1") = "5"
    & skf21("6","2","6","6","6","3","6","1") = "5"
    & skf21("6","2","6","6","6","3","7","1") = "6"
    & skf21("6","2","6","6","6","4","1","1") = "5"
    & skf21("6","2","6","6","6","4","2","1") = "5"
    & skf21("6","2","6","6","6","4","3","1") = "5"
    & skf21("6","2","6","6","6","4","4","1") = "5"
    & skf21("6","2","6","6","6","4","5","1") = "5"
    & skf21("6","2","6","6","6","4","6","1") = "5"
    & skf21("6","2","6","6","6","4","7","1") = "6"
    & skf21("6","2","6","6","6","5","1","1") = "5"
    & skf21("6","2","6","6","6","5","2","1") = "5"
    & skf21("6","2","6","6","6","5","3","1") = "5"
    & skf21("6","2","6","6","6","5","4","1") = "5"
    & skf21("6","2","6","6","6","5","5","1") = "5"
    & skf21("6","2","6","6","6","5","6","1") = "5"
    & skf21("6","2","6","6","6","5","7","1") = "6"
    & skf21("6","2","6","6","6","6","1","1") = "5"
    & skf21("6","2","6","6","6","6","2","1") = "5"
    & skf21("6","2","6","6","6","6","3","1") = "5"
    & skf21("6","2","6","6","6","6","4","1") = "5"
    & skf21("6","2","6","6","6","6","5","1") = "5"
    & skf21("6","2","6","6","6","6","6","1") = "5"
    & skf21("6","2","6","6","6","6","7","1") = "6"
    & skf21("6","2","6","6","6","7","1","1") = "6"
    & skf21("6","2","6","6","6","7","2","1") = "6"
    & skf21("6","2","6","6","6","7","3","1") = "6"
    & skf21("6","2","6","6","6","7","4","1") = "6"
    & skf21("6","2","6","6","6","7","5","1") = "6"
    & skf21("6","2","6","6","6","7","6","1") = "6"
    & skf21("6","2","6","6","6","7","7","1") = "6"
    & skf21("6","2","6","6","7","1","1","1") = "6"
    & skf21("6","2","6","6","7","1","2","1") = "6"
    & skf21("6","2","6","6","7","1","3","1") = "6"
    & skf21("6","2","6","6","7","1","4","1") = "6"
    & skf21("6","2","6","6","7","1","5","1") = "6"
    & skf21("6","2","6","6","7","1","6","1") = "6"
    & skf21("6","2","6","6","7","1","7","1") = "6"
    & skf21("6","2","6","6","7","2","1","1") = "6"
    & skf21("6","2","6","6","7","2","2","1") = "6"
    & skf21("6","2","6","6","7","2","3","1") = "6"
    & skf21("6","2","6","6","7","2","4","1") = "6"
    & skf21("6","2","6","6","7","2","5","1") = "6"
    & skf21("6","2","6","6","7","2","6","1") = "6"
    & skf21("6","2","6","6","7","2","7","1") = "6"
    & skf21("6","2","6","6","7","3","1","1") = "6"
    & skf21("6","2","6","6","7","3","2","1") = "6"
    & skf21("6","2","6","6","7","3","3","1") = "6"
    & skf21("6","2","6","6","7","3","4","1") = "6"
    & skf21("6","2","6","6","7","3","5","1") = "6"
    & skf21("6","2","6","6","7","3","6","1") = "6"
    & skf21("6","2","6","6","7","3","7","1") = "6"
    & skf21("6","2","6","6","7","4","1","1") = "6"
    & skf21("6","2","6","6","7","4","2","1") = "6"
    & skf21("6","2","6","6","7","4","3","1") = "6"
    & skf21("6","2","6","6","7","4","4","1") = "6"
    & skf21("6","2","6","6","7","4","5","1") = "6"
    & skf21("6","2","6","6","7","4","6","1") = "6"
    & skf21("6","2","6","6","7","4","7","1") = "6"
    & skf21("6","2","6","6","7","5","1","1") = "6"
    & skf21("6","2","6","6","7","5","2","1") = "6"
    & skf21("6","2","6","6","7","5","3","1") = "6"
    & skf21("6","2","6","6","7","5","4","1") = "6"
    & skf21("6","2","6","6","7","5","5","1") = "6"
    & skf21("6","2","6","6","7","5","6","1") = "6"
    & skf21("6","2","6","6","7","5","7","1") = "6"
    & skf21("6","2","6","6","7","6","1","1") = "6"
    & skf21("6","2","6","6","7","6","2","1") = "6"
    & skf21("6","2","6","6","7","6","3","1") = "6"
    & skf21("6","2","6","6","7","6","4","1") = "6"
    & skf21("6","2","6","6","7","6","5","1") = "6"
    & skf21("6","2","6","6","7","6","6","1") = "6"
    & skf21("6","2","6","6","7","6","7","1") = "6"
    & skf21("6","2","6","6","7","7","1","1") = "6"
    & skf21("6","2","6","6","7","7","2","1") = "6"
    & skf21("6","2","6","6","7","7","3","1") = "6"
    & skf21("6","2","6","6","7","7","4","1") = "6"
    & skf21("6","2","6","6","7","7","5","1") = "6"
    & skf21("6","2","6","6","7","7","6","1") = "6"
    & skf21("6","2","6","6","7","7","7","1") = "6"
    & skf21("6","2","6","7","1","1","1","1") = "6"
    & skf21("6","2","6","7","1","1","2","1") = "6"
    & skf21("6","2","6","7","1","1","3","1") = "6"
    & skf21("6","2","6","7","1","1","4","1") = "6"
    & skf21("6","2","6","7","1","1","5","1") = "6"
    & skf21("6","2","6","7","1","1","6","1") = "6"
    & skf21("6","2","6","7","1","1","7","1") = "6"
    & skf21("6","2","6","7","1","2","1","1") = "6"
    & skf21("6","2","6","7","1","2","2","1") = "6"
    & skf21("6","2","6","7","1","2","3","1") = "6"
    & skf21("6","2","6","7","1","2","4","1") = "6"
    & skf21("6","2","6","7","1","2","5","1") = "6"
    & skf21("6","2","6","7","1","2","6","1") = "6"
    & skf21("6","2","6","7","1","2","7","1") = "6"
    & skf21("6","2","6","7","1","3","1","1") = "6"
    & skf21("6","2","6","7","1","3","2","1") = "6"
    & skf21("6","2","6","7","1","3","3","1") = "6"
    & skf21("6","2","6","7","1","3","4","1") = "6"
    & skf21("6","2","6","7","1","3","5","1") = "6"
    & skf21("6","2","6","7","1","3","6","1") = "6"
    & skf21("6","2","6","7","1","3","7","1") = "6"
    & skf21("6","2","6","7","1","4","1","1") = "6"
    & skf21("6","2","6","7","1","4","2","1") = "6"
    & skf21("6","2","6","7","1","4","3","1") = "6"
    & skf21("6","2","6","7","1","4","4","1") = "6"
    & skf21("6","2","6","7","1","4","5","1") = "6"
    & skf21("6","2","6","7","1","4","6","1") = "6"
    & skf21("6","2","6","7","1","4","7","1") = "6"
    & skf21("6","2","6","7","1","5","1","1") = "6"
    & skf21("6","2","6","7","1","5","2","1") = "6"
    & skf21("6","2","6","7","1","5","3","1") = "6"
    & skf21("6","2","6","7","1","5","4","1") = "6"
    & skf21("6","2","6","7","1","5","5","1") = "6"
    & skf21("6","2","6","7","1","5","6","1") = "6"
    & skf21("6","2","6","7","1","5","7","1") = "6"
    & skf21("6","2","6","7","1","6","1","1") = "6"
    & skf21("6","2","6","7","1","6","2","1") = "6"
    & skf21("6","2","6","7","1","6","3","1") = "6"
    & skf21("6","2","6","7","1","6","4","1") = "6"
    & skf21("6","2","6","7","1","6","5","1") = "6"
    & skf21("6","2","6","7","1","6","6","1") = "6"
    & skf21("6","2","6","7","1","6","7","1") = "6"
    & skf21("6","2","6","7","1","7","1","1") = "6"
    & skf21("6","2","6","7","1","7","2","1") = "6"
    & skf21("6","2","6","7","1","7","3","1") = "6"
    & skf21("6","2","6","7","1","7","4","1") = "6"
    & skf21("6","2","6","7","1","7","5","1") = "6"
    & skf21("6","2","6","7","1","7","6","1") = "6"
    & skf21("6","2","6","7","1","7","7","1") = "6"
    & skf21("6","2","6","7","2","1","1","1") = "6"
    & skf21("6","2","6","7","2","1","2","1") = "6"
    & skf21("6","2","6","7","2","1","3","1") = "6"
    & skf21("6","2","6","7","2","1","4","1") = "6"
    & skf21("6","2","6","7","2","1","5","1") = "6"
    & skf21("6","2","6","7","2","1","6","1") = "6"
    & skf21("6","2","6","7","2","1","7","1") = "6"
    & skf21("6","2","6","7","2","2","1","1") = "6"
    & skf21("6","2","6","7","2","2","2","1") = "6"
    & skf21("6","2","6","7","2","2","3","1") = "6"
    & skf21("6","2","6","7","2","2","4","1") = "6"
    & skf21("6","2","6","7","2","2","5","1") = "6"
    & skf21("6","2","6","7","2","2","6","1") = "6"
    & skf21("6","2","6","7","2","2","7","1") = "6"
    & skf21("6","2","6","7","2","3","1","1") = "6"
    & skf21("6","2","6","7","2","3","2","1") = "6"
    & skf21("6","2","6","7","2","3","3","1") = "6"
    & skf21("6","2","6","7","2","3","4","1") = "6"
    & skf21("6","2","6","7","2","3","5","1") = "6"
    & skf21("6","2","6","7","2","3","6","1") = "6"
    & skf21("6","2","6","7","2","3","7","1") = "6"
    & skf21("6","2","6","7","2","4","1","1") = "6"
    & skf21("6","2","6","7","2","4","2","1") = "6"
    & skf21("6","2","6","7","2","4","3","1") = "6"
    & skf21("6","2","6","7","2","4","4","1") = "6"
    & skf21("6","2","6","7","2","4","5","1") = "6"
    & skf21("6","2","6","7","2","4","6","1") = "6"
    & skf21("6","2","6","7","2","4","7","1") = "6"
    & skf21("6","2","6","7","2","5","1","1") = "6"
    & skf21("6","2","6","7","2","5","2","1") = "6"
    & skf21("6","2","6","7","2","5","3","1") = "6"
    & skf21("6","2","6","7","2","5","4","1") = "6"
    & skf21("6","2","6","7","2","5","5","1") = "6"
    & skf21("6","2","6","7","2","5","6","1") = "6"
    & skf21("6","2","6","7","2","5","7","1") = "6"
    & skf21("6","2","6","7","2","6","1","1") = "6"
    & skf21("6","2","6","7","2","6","2","1") = "6"
    & skf21("6","2","6","7","2","6","3","1") = "6"
    & skf21("6","2","6","7","2","6","4","1") = "6"
    & skf21("6","2","6","7","2","6","5","1") = "6"
    & skf21("6","2","6","7","2","6","6","1") = "6"
    & skf21("6","2","6","7","2","6","7","1") = "6"
    & skf21("6","2","6","7","2","7","1","1") = "6"
    & skf21("6","2","6","7","2","7","2","1") = "6"
    & skf21("6","2","6","7","2","7","3","1") = "6"
    & skf21("6","2","6","7","2","7","4","1") = "6"
    & skf21("6","2","6","7","2","7","5","1") = "6"
    & skf21("6","2","6","7","2","7","6","1") = "6"
    & skf21("6","2","6","7","2","7","7","1") = "6"
    & skf21("6","2","6","7","3","1","1","1") = "6"
    & skf21("6","2","6","7","3","1","2","1") = "6"
    & skf21("6","2","6","7","3","1","3","1") = "6"
    & skf21("6","2","6","7","3","1","4","1") = "6"
    & skf21("6","2","6","7","3","1","5","1") = "6"
    & skf21("6","2","6","7","3","1","6","1") = "6"
    & skf21("6","2","6","7","3","1","7","1") = "6"
    & skf21("6","2","6","7","3","2","1","1") = "6"
    & skf21("6","2","6","7","3","2","2","1") = "6"
    & skf21("6","2","6","7","3","2","3","1") = "6"
    & skf21("6","2","6","7","3","2","4","1") = "6"
    & skf21("6","2","6","7","3","2","5","1") = "6"
    & skf21("6","2","6","7","3","2","6","1") = "6"
    & skf21("6","2","6","7","3","2","7","1") = "6"
    & skf21("6","2","6","7","3","3","1","1") = "6"
    & skf21("6","2","6","7","3","3","2","1") = "6"
    & skf21("6","2","6","7","3","3","3","1") = "6"
    & skf21("6","2","6","7","3","3","4","1") = "6"
    & skf21("6","2","6","7","3","3","5","1") = "6"
    & skf21("6","2","6","7","3","3","6","1") = "6"
    & skf21("6","2","6","7","3","3","7","1") = "6"
    & skf21("6","2","6","7","3","4","1","1") = "6"
    & skf21("6","2","6","7","3","4","2","1") = "6"
    & skf21("6","2","6","7","3","4","3","1") = "6"
    & skf21("6","2","6","7","3","4","4","1") = "6"
    & skf21("6","2","6","7","3","4","5","1") = "6"
    & skf21("6","2","6","7","3","4","6","1") = "6"
    & skf21("6","2","6","7","3","4","7","1") = "6"
    & skf21("6","2","6","7","3","5","1","1") = "6"
    & skf21("6","2","6","7","3","5","2","1") = "6"
    & skf21("6","2","6","7","3","5","3","1") = "6"
    & skf21("6","2","6","7","3","5","4","1") = "6"
    & skf21("6","2","6","7","3","5","5","1") = "6"
    & skf21("6","2","6","7","3","5","6","1") = "6"
    & skf21("6","2","6","7","3","5","7","1") = "6"
    & skf21("6","2","6","7","3","6","1","1") = "6"
    & skf21("6","2","6","7","3","6","2","1") = "6"
    & skf21("6","2","6","7","3","6","3","1") = "6"
    & skf21("6","2","6","7","3","6","4","1") = "6"
    & skf21("6","2","6","7","3","6","5","1") = "6"
    & skf21("6","2","6","7","3","6","6","1") = "6"
    & skf21("6","2","6","7","3","6","7","1") = "6"
    & skf21("6","2","6","7","3","7","1","1") = "6"
    & skf21("6","2","6","7","3","7","2","1") = "6"
    & skf21("6","2","6","7","3","7","3","1") = "6"
    & skf21("6","2","6","7","3","7","4","1") = "6"
    & skf21("6","2","6","7","3","7","5","1") = "6"
    & skf21("6","2","6","7","3","7","6","1") = "6"
    & skf21("6","2","6","7","3","7","7","1") = "6"
    & skf21("6","2","6","7","4","1","1","1") = "6"
    & skf21("6","2","6","7","4","1","2","1") = "6"
    & skf21("6","2","6","7","4","1","3","1") = "6"
    & skf21("6","2","6","7","4","1","4","1") = "6"
    & skf21("6","2","6","7","4","1","5","1") = "6"
    & skf21("6","2","6","7","4","1","6","1") = "6"
    & skf21("6","2","6","7","4","1","7","1") = "6"
    & skf21("6","2","6","7","4","2","1","1") = "6"
    & skf21("6","2","6","7","4","2","2","1") = "6"
    & skf21("6","2","6","7","4","2","3","1") = "6"
    & skf21("6","2","6","7","4","2","4","1") = "6"
    & skf21("6","2","6","7","4","2","5","1") = "6"
    & skf21("6","2","6","7","4","2","6","1") = "6"
    & skf21("6","2","6","7","4","2","7","1") = "6"
    & skf21("6","2","6","7","4","3","1","1") = "6"
    & skf21("6","2","6","7","4","3","2","1") = "6"
    & skf21("6","2","6","7","4","3","3","1") = "6"
    & skf21("6","2","6","7","4","3","4","1") = "6"
    & skf21("6","2","6","7","4","3","5","1") = "6"
    & skf21("6","2","6","7","4","3","6","1") = "6"
    & skf21("6","2","6","7","4","3","7","1") = "6"
    & skf21("6","2","6","7","4","4","1","1") = "6"
    & skf21("6","2","6","7","4","4","2","1") = "6"
    & skf21("6","2","6","7","4","4","3","1") = "6"
    & skf21("6","2","6","7","4","4","4","1") = "6"
    & skf21("6","2","6","7","4","4","5","1") = "6"
    & skf21("6","2","6","7","4","4","6","1") = "6"
    & skf21("6","2","6","7","4","4","7","1") = "6"
    & skf21("6","2","6","7","4","5","1","1") = "6"
    & skf21("6","2","6","7","4","5","2","1") = "6"
    & skf21("6","2","6","7","4","5","3","1") = "6"
    & skf21("6","2","6","7","4","5","4","1") = "6"
    & skf21("6","2","6","7","4","5","5","1") = "6"
    & skf21("6","2","6","7","4","5","6","1") = "6"
    & skf21("6","2","6","7","4","5","7","1") = "6"
    & skf21("6","2","6","7","4","6","1","1") = "6"
    & skf21("6","2","6","7","4","6","2","1") = "6"
    & skf21("6","2","6","7","4","6","3","1") = "6"
    & skf21("6","2","6","7","4","6","4","1") = "6"
    & skf21("6","2","6","7","4","6","5","1") = "6"
    & skf21("6","2","6","7","4","6","6","1") = "6"
    & skf21("6","2","6","7","4","6","7","1") = "6"
    & skf21("6","2","6","7","4","7","1","1") = "6"
    & skf21("6","2","6","7","4","7","2","1") = "6"
    & skf21("6","2","6","7","4","7","3","1") = "6"
    & skf21("6","2","6","7","4","7","4","1") = "6"
    & skf21("6","2","6","7","4","7","5","1") = "6"
    & skf21("6","2","6","7","4","7","6","1") = "6"
    & skf21("6","2","6","7","4","7","7","1") = "6"
    & skf21("6","2","6","7","5","1","1","1") = "6"
    & skf21("6","2","6","7","5","1","2","1") = "6"
    & skf21("6","2","6","7","5","1","3","1") = "6"
    & skf21("6","2","6","7","5","1","4","1") = "6"
    & skf21("6","2","6","7","5","1","5","1") = "6"
    & skf21("6","2","6","7","5","1","6","1") = "6"
    & skf21("6","2","6","7","5","1","7","1") = "6"
    & skf21("6","2","6","7","5","2","1","1") = "6"
    & skf21("6","2","6","7","5","2","2","1") = "6"
    & skf21("6","2","6","7","5","2","3","1") = "6"
    & skf21("6","2","6","7","5","2","4","1") = "6"
    & skf21("6","2","6","7","5","2","5","1") = "6"
    & skf21("6","2","6","7","5","2","6","1") = "6"
    & skf21("6","2","6","7","5","2","7","1") = "6"
    & skf21("6","2","6","7","5","3","1","1") = "6"
    & skf21("6","2","6","7","5","3","2","1") = "6"
    & skf21("6","2","6","7","5","3","3","1") = "6"
    & skf21("6","2","6","7","5","3","4","1") = "6"
    & skf21("6","2","6","7","5","3","5","1") = "6"
    & skf21("6","2","6","7","5","3","6","1") = "6"
    & skf21("6","2","6","7","5","3","7","1") = "6"
    & skf21("6","2","6","7","5","4","1","1") = "6"
    & skf21("6","2","6","7","5","4","2","1") = "6"
    & skf21("6","2","6","7","5","4","3","1") = "6"
    & skf21("6","2","6","7","5","4","4","1") = "6"
    & skf21("6","2","6","7","5","4","5","1") = "6"
    & skf21("6","2","6","7","5","4","6","1") = "6"
    & skf21("6","2","6","7","5","4","7","1") = "6"
    & skf21("6","2","6","7","5","5","1","1") = "6"
    & skf21("6","2","6","7","5","5","2","1") = "6"
    & skf21("6","2","6","7","5","5","3","1") = "6"
    & skf21("6","2","6","7","5","5","4","1") = "6"
    & skf21("6","2","6","7","5","5","5","1") = "6"
    & skf21("6","2","6","7","5","5","6","1") = "6"
    & skf21("6","2","6","7","5","5","7","1") = "6"
    & skf21("6","2","6","7","5","6","1","1") = "6"
    & skf21("6","2","6","7","5","6","2","1") = "6"
    & skf21("6","2","6","7","5","6","3","1") = "6"
    & skf21("6","2","6","7","5","6","4","1") = "6"
    & skf21("6","2","6","7","5","6","5","1") = "6"
    & skf21("6","2","6","7","5","6","6","1") = "6"
    & skf21("6","2","6","7","5","6","7","1") = "6"
    & skf21("6","2","6","7","5","7","1","1") = "6"
    & skf21("6","2","6","7","5","7","2","1") = "6"
    & skf21("6","2","6","7","5","7","3","1") = "6"
    & skf21("6","2","6","7","5","7","4","1") = "6"
    & skf21("6","2","6","7","5","7","5","1") = "6"
    & skf21("6","2","6","7","5","7","6","1") = "6"
    & skf21("6","2","6","7","5","7","7","1") = "6"
    & skf21("6","2","6","7","6","1","1","1") = "6"
    & skf21("6","2","6","7","6","1","2","1") = "6"
    & skf21("6","2","6","7","6","1","3","1") = "6"
    & skf21("6","2","6","7","6","1","4","1") = "6"
    & skf21("6","2","6","7","6","1","5","1") = "6"
    & skf21("6","2","6","7","6","1","6","1") = "6"
    & skf21("6","2","6","7","6","1","7","1") = "6"
    & skf21("6","2","6","7","6","2","1","1") = "6"
    & skf21("6","2","6","7","6","2","2","1") = "6"
    & skf21("6","2","6","7","6","2","3","1") = "6"
    & skf21("6","2","6","7","6","2","4","1") = "6"
    & skf21("6","2","6","7","6","2","5","1") = "6"
    & skf21("6","2","6","7","6","2","6","1") = "6"
    & skf21("6","2","6","7","6","2","7","1") = "6"
    & skf21("6","2","6","7","6","3","1","1") = "6"
    & skf21("6","2","6","7","6","3","2","1") = "6"
    & skf21("6","2","6","7","6","3","3","1") = "6"
    & skf21("6","2","6","7","6","3","4","1") = "6"
    & skf21("6","2","6","7","6","3","5","1") = "6"
    & skf21("6","2","6","7","6","3","6","1") = "6"
    & skf21("6","2","6","7","6","3","7","1") = "6"
    & skf21("6","2","6","7","6","4","1","1") = "6"
    & skf21("6","2","6","7","6","4","2","1") = "6"
    & skf21("6","2","6","7","6","4","3","1") = "6"
    & skf21("6","2","6","7","6","4","4","1") = "6"
    & skf21("6","2","6","7","6","4","5","1") = "6"
    & skf21("6","2","6","7","6","4","6","1") = "6"
    & skf21("6","2","6","7","6","4","7","1") = "6"
    & skf21("6","2","6","7","6","5","1","1") = "6"
    & skf21("6","2","6","7","6","5","2","1") = "6"
    & skf21("6","2","6","7","6","5","3","1") = "6"
    & skf21("6","2","6","7","6","5","4","1") = "6"
    & skf21("6","2","6","7","6","5","5","1") = "6"
    & skf21("6","2","6","7","6","5","6","1") = "6"
    & skf21("6","2","6","7","6","5","7","1") = "6"
    & skf21("6","2","6","7","6","6","1","1") = "6"
    & skf21("6","2","6","7","6","6","2","1") = "6"
    & skf21("6","2","6","7","6","6","3","1") = "6"
    & skf21("6","2","6","7","6","6","4","1") = "6"
    & skf21("6","2","6","7","6","6","5","1") = "6"
    & skf21("6","2","6","7","6","6","6","1") = "6"
    & skf21("6","2","6","7","6","6","7","1") = "6"
    & skf21("6","2","6","7","6","7","1","1") = "6"
    & skf21("6","2","6","7","6","7","2","1") = "6"
    & skf21("6","2","6","7","6","7","3","1") = "6"
    & skf21("6","2","6","7","6","7","4","1") = "6"
    & skf21("6","2","6","7","6","7","5","1") = "6"
    & skf21("6","2","6","7","6","7","6","1") = "6"
    & skf21("6","2","6","7","6","7","7","1") = "6"
    & skf21("6","2","6","7","7","1","1","1") = "6"
    & skf21("6","2","6","7","7","1","2","1") = "6"
    & skf21("6","2","6","7","7","1","3","1") = "6"
    & skf21("6","2","6","7","7","1","4","1") = "6"
    & skf21("6","2","6","7","7","1","5","1") = "6"
    & skf21("6","2","6","7","7","1","6","1") = "6"
    & skf21("6","2","6","7","7","1","7","1") = "6"
    & skf21("6","2","6","7","7","2","1","1") = "6"
    & skf21("6","2","6","7","7","2","2","1") = "6"
    & skf21("6","2","6","7","7","2","3","1") = "6"
    & skf21("6","2","6","7","7","2","4","1") = "6"
    & skf21("6","2","6","7","7","2","5","1") = "6"
    & skf21("6","2","6","7","7","2","6","1") = "6"
    & skf21("6","2","6","7","7","2","7","1") = "6"
    & skf21("6","2","6","7","7","3","1","1") = "6"
    & skf21("6","2","6","7","7","3","2","1") = "6"
    & skf21("6","2","6","7","7","3","3","1") = "6"
    & skf21("6","2","6","7","7","3","4","1") = "6"
    & skf21("6","2","6","7","7","3","5","1") = "6"
    & skf21("6","2","6","7","7","3","6","1") = "6"
    & skf21("6","2","6","7","7","3","7","1") = "6"
    & skf21("6","2","6","7","7","4","1","1") = "6"
    & skf21("6","2","6","7","7","4","2","1") = "6"
    & skf21("6","2","6","7","7","4","3","1") = "6"
    & skf21("6","2","6","7","7","4","4","1") = "6"
    & skf21("6","2","6","7","7","4","5","1") = "6"
    & skf21("6","2","6","7","7","4","6","1") = "6"
    & skf21("6","2","6","7","7","4","7","1") = "6"
    & skf21("6","2","6","7","7","5","1","1") = "6"
    & skf21("6","2","6","7","7","5","2","1") = "6"
    & skf21("6","2","6","7","7","5","3","1") = "6"
    & skf21("6","2","6","7","7","5","4","1") = "6"
    & skf21("6","2","6","7","7","5","5","1") = "6"
    & skf21("6","2","6","7","7","5","6","1") = "6"
    & skf21("6","2","6","7","7","5","7","1") = "6"
    & skf21("6","2","6","7","7","6","1","1") = "6"
    & skf21("6","2","6","7","7","6","2","1") = "6"
    & skf21("6","2","6","7","7","6","3","1") = "6"
    & skf21("6","2","6","7","7","6","4","1") = "6"
    & skf21("6","2","6","7","7","6","5","1") = "6"
    & skf21("6","2","6","7","7","6","6","1") = "6"
    & skf21("6","2","6","7","7","6","7","1") = "6"
    & skf21("6","2","6","7","7","7","1","1") = "6"
    & skf21("6","2","6","7","7","7","2","1") = "6"
    & skf21("6","2","6","7","7","7","3","1") = "6"
    & skf21("6","2","6","7","7","7","4","1") = "6"
    & skf21("6","2","6","7","7","7","5","1") = "6"
    & skf21("6","2","6","7","7","7","6","1") = "6"
    & skf21("6","2","6","7","7","7","7","1") = "6"
    & skf21("6","2","7","1","1","1","1","1") = "6"
    & skf21("6","2","7","1","1","1","2","1") = "6"
    & skf21("6","2","7","1","1","1","3","1") = "6"
    & skf21("6","2","7","1","1","1","4","1") = "6"
    & skf21("6","2","7","1","1","1","5","1") = "6"
    & skf21("6","2","7","1","1","1","6","1") = "6"
    & skf21("6","2","7","1","1","1","7","1") = "6"
    & skf21("6","2","7","1","1","2","1","1") = "6"
    & skf21("6","2","7","1","1","2","2","1") = "6"
    & skf21("6","2","7","1","1","2","3","1") = "6"
    & skf21("6","2","7","1","1","2","4","1") = "6"
    & skf21("6","2","7","1","1","2","5","1") = "6"
    & skf21("6","2","7","1","1","2","6","1") = "6"
    & skf21("6","2","7","1","1","2","7","1") = "6"
    & skf21("6","2","7","1","1","3","1","1") = "6"
    & skf21("6","2","7","1","1","3","2","1") = "6"
    & skf21("6","2","7","1","1","3","3","1") = "6"
    & skf21("6","2","7","1","1","3","4","1") = "6"
    & skf21("6","2","7","1","1","3","5","1") = "6"
    & skf21("6","2","7","1","1","3","6","1") = "6"
    & skf21("6","2","7","1","1","3","7","1") = "6"
    & skf21("6","2","7","1","1","4","1","1") = "6"
    & skf21("6","2","7","1","1","4","2","1") = "6"
    & skf21("6","2","7","1","1","4","3","1") = "6"
    & skf21("6","2","7","1","1","4","4","1") = "6"
    & skf21("6","2","7","1","1","4","5","1") = "6"
    & skf21("6","2","7","1","1","4","6","1") = "6"
    & skf21("6","2","7","1","1","4","7","1") = "6"
    & skf21("6","2","7","1","1","5","1","1") = "6"
    & skf21("6","2","7","1","1","5","2","1") = "6"
    & skf21("6","2","7","1","1","5","3","1") = "6"
    & skf21("6","2","7","1","1","5","4","1") = "6"
    & skf21("6","2","7","1","1","5","5","1") = "6"
    & skf21("6","2","7","1","1","5","6","1") = "6"
    & skf21("6","2","7","1","1","5","7","1") = "6"
    & skf21("6","2","7","1","1","6","1","1") = "6"
    & skf21("6","2","7","1","1","6","2","1") = "6"
    & skf21("6","2","7","1","1","6","3","1") = "6"
    & skf21("6","2","7","1","1","6","4","1") = "6"
    & skf21("6","2","7","1","1","6","5","1") = "6"
    & skf21("6","2","7","1","1","6","6","1") = "6"
    & skf21("6","2","7","1","1","6","7","1") = "6"
    & skf21("6","2","7","1","1","7","1","1") = "6"
    & skf21("6","2","7","1","1","7","2","1") = "6"
    & skf21("6","2","7","1","1","7","3","1") = "6"
    & skf21("6","2","7","1","1","7","4","1") = "6"
    & skf21("6","2","7","1","1","7","5","1") = "6"
    & skf21("6","2","7","1","1","7","6","1") = "6"
    & skf21("6","2","7","1","1","7","7","1") = "6"
    & skf21("6","2","7","1","2","1","1","1") = "6"
    & skf21("6","2","7","1","2","1","2","1") = "6"
    & skf21("6","2","7","1","2","1","3","1") = "6"
    & skf21("6","2","7","1","2","1","4","1") = "6"
    & skf21("6","2","7","1","2","1","5","1") = "6"
    & skf21("6","2","7","1","2","1","6","1") = "6"
    & skf21("6","2","7","1","2","1","7","1") = "6"
    & skf21("6","2","7","1","2","2","1","1") = "6"
    & skf21("6","2","7","1","2","2","2","1") = "6"
    & skf21("6","2","7","1","2","2","3","1") = "6"
    & skf21("6","2","7","1","2","2","4","1") = "6"
    & skf21("6","2","7","1","2","2","5","1") = "6"
    & skf21("6","2","7","1","2","2","6","1") = "6"
    & skf21("6","2","7","1","2","2","7","1") = "6"
    & skf21("6","2","7","1","2","3","1","1") = "6"
    & skf21("6","2","7","1","2","3","2","1") = "6"
    & skf21("6","2","7","1","2","3","3","1") = "6"
    & skf21("6","2","7","1","2","3","4","1") = "6"
    & skf21("6","2","7","1","2","3","5","1") = "6"
    & skf21("6","2","7","1","2","3","6","1") = "6"
    & skf21("6","2","7","1","2","3","7","1") = "6"
    & skf21("6","2","7","1","2","4","1","1") = "6"
    & skf21("6","2","7","1","2","4","2","1") = "6"
    & skf21("6","2","7","1","2","4","3","1") = "6"
    & skf21("6","2","7","1","2","4","4","1") = "6"
    & skf21("6","2","7","1","2","4","5","1") = "6"
    & skf21("6","2","7","1","2","4","6","1") = "6"
    & skf21("6","2","7","1","2","4","7","1") = "6"
    & skf21("6","2","7","1","2","5","1","1") = "6"
    & skf21("6","2","7","1","2","5","2","1") = "6"
    & skf21("6","2","7","1","2","5","3","1") = "6"
    & skf21("6","2","7","1","2","5","4","1") = "6"
    & skf21("6","2","7","1","2","5","5","1") = "6"
    & skf21("6","2","7","1","2","5","6","1") = "6"
    & skf21("6","2","7","1","2","5","7","1") = "6"
    & skf21("6","2","7","1","2","6","1","1") = "6"
    & skf21("6","2","7","1","2","6","2","1") = "6"
    & skf21("6","2","7","1","2","6","3","1") = "6"
    & skf21("6","2","7","1","2","6","4","1") = "6"
    & skf21("6","2","7","1","2","6","5","1") = "6"
    & skf21("6","2","7","1","2","6","6","1") = "6"
    & skf21("6","2","7","1","2","6","7","1") = "6"
    & skf21("6","2","7","1","2","7","1","1") = "6"
    & skf21("6","2","7","1","2","7","2","1") = "6"
    & skf21("6","2","7","1","2","7","3","1") = "6"
    & skf21("6","2","7","1","2","7","4","1") = "6"
    & skf21("6","2","7","1","2","7","5","1") = "6"
    & skf21("6","2","7","1","2","7","6","1") = "6"
    & skf21("6","2","7","1","2","7","7","1") = "6"
    & skf21("6","2","7","1","3","1","1","1") = "6"
    & skf21("6","2","7","1","3","1","2","1") = "6"
    & skf21("6","2","7","1","3","1","3","1") = "6"
    & skf21("6","2","7","1","3","1","4","1") = "6"
    & skf21("6","2","7","1","3","1","5","1") = "6"
    & skf21("6","2","7","1","3","1","6","1") = "6"
    & skf21("6","2","7","1","3","1","7","1") = "6"
    & skf21("6","2","7","1","3","2","1","1") = "6"
    & skf21("6","2","7","1","3","2","2","1") = "6"
    & skf21("6","2","7","1","3","2","3","1") = "6"
    & skf21("6","2","7","1","3","2","4","1") = "6"
    & skf21("6","2","7","1","3","2","5","1") = "6"
    & skf21("6","2","7","1","3","2","6","1") = "6"
    & skf21("6","2","7","1","3","2","7","1") = "6"
    & skf21("6","2","7","1","3","3","1","1") = "6"
    & skf21("6","2","7","1","3","3","2","1") = "6"
    & skf21("6","2","7","1","3","3","3","1") = "6"
    & skf21("6","2","7","1","3","3","4","1") = "6"
    & skf21("6","2","7","1","3","3","5","1") = "6"
    & skf21("6","2","7","1","3","3","6","1") = "6"
    & skf21("6","2","7","1","3","3","7","1") = "6"
    & skf21("6","2","7","1","3","4","1","1") = "6"
    & skf21("6","2","7","1","3","4","2","1") = "6"
    & skf21("6","2","7","1","3","4","3","1") = "6"
    & skf21("6","2","7","1","3","4","4","1") = "6"
    & skf21("6","2","7","1","3","4","5","1") = "6"
    & skf21("6","2","7","1","3","4","6","1") = "6"
    & skf21("6","2","7","1","3","4","7","1") = "6"
    & skf21("6","2","7","1","3","5","1","1") = "6"
    & skf21("6","2","7","1","3","5","2","1") = "6"
    & skf21("6","2","7","1","3","5","3","1") = "6"
    & skf21("6","2","7","1","3","5","4","1") = "6"
    & skf21("6","2","7","1","3","5","5","1") = "6"
    & skf21("6","2","7","1","3","5","6","1") = "6"
    & skf21("6","2","7","1","3","5","7","1") = "6"
    & skf21("6","2","7","1","3","6","1","1") = "6"
    & skf21("6","2","7","1","3","6","2","1") = "6"
    & skf21("6","2","7","1","3","6","3","1") = "6"
    & skf21("6","2","7","1","3","6","4","1") = "6"
    & skf21("6","2","7","1","3","6","5","1") = "6"
    & skf21("6","2","7","1","3","6","6","1") = "6"
    & skf21("6","2","7","1","3","6","7","1") = "6"
    & skf21("6","2","7","1","3","7","1","1") = "6"
    & skf21("6","2","7","1","3","7","2","1") = "6"
    & skf21("6","2","7","1","3","7","3","1") = "6"
    & skf21("6","2","7","1","3","7","4","1") = "6"
    & skf21("6","2","7","1","3","7","5","1") = "6"
    & skf21("6","2","7","1","3","7","6","1") = "6"
    & skf21("6","2","7","1","3","7","7","1") = "6"
    & skf21("6","2","7","1","4","1","1","1") = "6"
    & skf21("6","2","7","1","4","1","2","1") = "6"
    & skf21("6","2","7","1","4","1","3","1") = "6"
    & skf21("6","2","7","1","4","1","4","1") = "6"
    & skf21("6","2","7","1","4","1","5","1") = "6"
    & skf21("6","2","7","1","4","1","6","1") = "6"
    & skf21("6","2","7","1","4","1","7","1") = "6"
    & skf21("6","2","7","1","4","2","1","1") = "6"
    & skf21("6","2","7","1","4","2","2","1") = "6"
    & skf21("6","2","7","1","4","2","3","1") = "6"
    & skf21("6","2","7","1","4","2","4","1") = "6"
    & skf21("6","2","7","1","4","2","5","1") = "6"
    & skf21("6","2","7","1","4","2","6","1") = "6"
    & skf21("6","2","7","1","4","2","7","1") = "6"
    & skf21("6","2","7","1","4","3","1","1") = "6"
    & skf21("6","2","7","1","4","3","2","1") = "6"
    & skf21("6","2","7","1","4","3","3","1") = "6"
    & skf21("6","2","7","1","4","3","4","1") = "6"
    & skf21("6","2","7","1","4","3","5","1") = "6"
    & skf21("6","2","7","1","4","3","6","1") = "6"
    & skf21("6","2","7","1","4","3","7","1") = "6"
    & skf21("6","2","7","1","4","4","1","1") = "6"
    & skf21("6","2","7","1","4","4","2","1") = "6"
    & skf21("6","2","7","1","4","4","3","1") = "6"
    & skf21("6","2","7","1","4","4","4","1") = "6"
    & skf21("6","2","7","1","4","4","5","1") = "6"
    & skf21("6","2","7","1","4","4","6","1") = "6"
    & skf21("6","2","7","1","4","4","7","1") = "6"
    & skf21("6","2","7","1","4","5","1","1") = "6"
    & skf21("6","2","7","1","4","5","2","1") = "6"
    & skf21("6","2","7","1","4","5","3","1") = "6"
    & skf21("6","2","7","1","4","5","4","1") = "6"
    & skf21("6","2","7","1","4","5","5","1") = "6"
    & skf21("6","2","7","1","4","5","6","1") = "6"
    & skf21("6","2","7","1","4","5","7","1") = "6"
    & skf21("6","2","7","1","4","6","1","1") = "6"
    & skf21("6","2","7","1","4","6","2","1") = "6"
    & skf21("6","2","7","1","4","6","3","1") = "6"
    & skf21("6","2","7","1","4","6","4","1") = "6"
    & skf21("6","2","7","1","4","6","5","1") = "6"
    & skf21("6","2","7","1","4","6","6","1") = "6"
    & skf21("6","2","7","1","4","6","7","1") = "6"
    & skf21("6","2","7","1","4","7","1","1") = "6"
    & skf21("6","2","7","1","4","7","2","1") = "6"
    & skf21("6","2","7","1","4","7","3","1") = "6"
    & skf21("6","2","7","1","4","7","4","1") = "6"
    & skf21("6","2","7","1","4","7","5","1") = "6"
    & skf21("6","2","7","1","4","7","6","1") = "6"
    & skf21("6","2","7","1","4","7","7","1") = "6"
    & skf21("6","2","7","1","5","1","1","1") = "6"
    & skf21("6","2","7","1","5","1","2","1") = "6"
    & skf21("6","2","7","1","5","1","3","1") = "6"
    & skf21("6","2","7","1","5","1","4","1") = "6"
    & skf21("6","2","7","1","5","1","5","1") = "6"
    & skf21("6","2","7","1","5","1","6","1") = "6"
    & skf21("6","2","7","1","5","1","7","1") = "6"
    & skf21("6","2","7","1","5","2","1","1") = "6"
    & skf21("6","2","7","1","5","2","2","1") = "6"
    & skf21("6","2","7","1","5","2","3","1") = "6"
    & skf21("6","2","7","1","5","2","4","1") = "6"
    & skf21("6","2","7","1","5","2","5","1") = "6"
    & skf21("6","2","7","1","5","2","6","1") = "6"
    & skf21("6","2","7","1","5","2","7","1") = "6"
    & skf21("6","2","7","1","5","3","1","1") = "6"
    & skf21("6","2","7","1","5","3","2","1") = "6"
    & skf21("6","2","7","1","5","3","3","1") = "6"
    & skf21("6","2","7","1","5","3","4","1") = "6"
    & skf21("6","2","7","1","5","3","5","1") = "6"
    & skf21("6","2","7","1","5","3","6","1") = "6"
    & skf21("6","2","7","1","5","3","7","1") = "6"
    & skf21("6","2","7","1","5","4","1","1") = "6"
    & skf21("6","2","7","1","5","4","2","1") = "6"
    & skf21("6","2","7","1","5","4","3","1") = "6"
    & skf21("6","2","7","1","5","4","4","1") = "6"
    & skf21("6","2","7","1","5","4","5","1") = "6"
    & skf21("6","2","7","1","5","4","6","1") = "6"
    & skf21("6","2","7","1","5","4","7","1") = "6"
    & skf21("6","2","7","1","5","5","1","1") = "6"
    & skf21("6","2","7","1","5","5","2","1") = "6"
    & skf21("6","2","7","1","5","5","3","1") = "6"
    & skf21("6","2","7","1","5","5","4","1") = "6"
    & skf21("6","2","7","1","5","5","5","1") = "6"
    & skf21("6","2","7","1","5","5","6","1") = "6"
    & skf21("6","2","7","1","5","5","7","1") = "6"
    & skf21("6","2","7","1","5","6","1","1") = "6"
    & skf21("6","2","7","1","5","6","2","1") = "6"
    & skf21("6","2","7","1","5","6","3","1") = "6"
    & skf21("6","2","7","1","5","6","4","1") = "6"
    & skf21("6","2","7","1","5","6","5","1") = "6"
    & skf21("6","2","7","1","5","6","6","1") = "6"
    & skf21("6","2","7","1","5","6","7","1") = "6"
    & skf21("6","2","7","1","5","7","1","1") = "6"
    & skf21("6","2","7","1","5","7","2","1") = "6"
    & skf21("6","2","7","1","5","7","3","1") = "6"
    & skf21("6","2","7","1","5","7","4","1") = "6"
    & skf21("6","2","7","1","5","7","5","1") = "6"
    & skf21("6","2","7","1","5","7","6","1") = "6"
    & skf21("6","2","7","1","5","7","7","1") = "6"
    & skf21("6","2","7","1","6","1","1","1") = "6"
    & skf21("6","2","7","1","6","1","2","1") = "6"
    & skf21("6","2","7","1","6","1","3","1") = "6"
    & skf21("6","2","7","1","6","1","4","1") = "6"
    & skf21("6","2","7","1","6","1","5","1") = "6"
    & skf21("6","2","7","1","6","1","6","1") = "6"
    & skf21("6","2","7","1","6","1","7","1") = "6"
    & skf21("6","2","7","1","6","2","1","1") = "6"
    & skf21("6","2","7","1","6","2","2","1") = "6"
    & skf21("6","2","7","1","6","2","3","1") = "6"
    & skf21("6","2","7","1","6","2","4","1") = "6"
    & skf21("6","2","7","1","6","2","5","1") = "6"
    & skf21("6","2","7","1","6","2","6","1") = "6"
    & skf21("6","2","7","1","6","2","7","1") = "6"
    & skf21("6","2","7","1","6","3","1","1") = "6"
    & skf21("6","2","7","1","6","3","2","1") = "6"
    & skf21("6","2","7","1","6","3","3","1") = "6"
    & skf21("6","2","7","1","6","3","4","1") = "6"
    & skf21("6","2","7","1","6","3","5","1") = "6"
    & skf21("6","2","7","1","6","3","6","1") = "6"
    & skf21("6","2","7","1","6","3","7","1") = "6"
    & skf21("6","2","7","1","6","4","1","1") = "6"
    & skf21("6","2","7","1","6","4","2","1") = "6"
    & skf21("6","2","7","1","6","4","3","1") = "6"
    & skf21("6","2","7","1","6","4","4","1") = "6"
    & skf21("6","2","7","1","6","4","5","1") = "6"
    & skf21("6","2","7","1","6","4","6","1") = "6"
    & skf21("6","2","7","1","6","4","7","1") = "6"
    & skf21("6","2","7","1","6","5","1","1") = "6"
    & skf21("6","2","7","1","6","5","2","1") = "6"
    & skf21("6","2","7","1","6","5","3","1") = "6"
    & skf21("6","2","7","1","6","5","4","1") = "6"
    & skf21("6","2","7","1","6","5","5","1") = "6"
    & skf21("6","2","7","1","6","5","6","1") = "6"
    & skf21("6","2","7","1","6","5","7","1") = "6"
    & skf21("6","2","7","1","6","6","1","1") = "6"
    & skf21("6","2","7","1","6","6","2","1") = "6"
    & skf21("6","2","7","1","6","6","3","1") = "6"
    & skf21("6","2","7","1","6","6","4","1") = "6"
    & skf21("6","2","7","1","6","6","5","1") = "6"
    & skf21("6","2","7","1","6","6","6","1") = "6"
    & skf21("6","2","7","1","6","6","7","1") = "6"
    & skf21("6","2","7","1","6","7","1","1") = "6"
    & skf21("6","2","7","1","6","7","2","1") = "6"
    & skf21("6","2","7","1","6","7","3","1") = "6"
    & skf21("6","2","7","1","6","7","4","1") = "6"
    & skf21("6","2","7","1","6","7","5","1") = "6"
    & skf21("6","2","7","1","6","7","6","1") = "6"
    & skf21("6","2","7","1","6","7","7","1") = "6"
    & skf21("6","2","7","1","7","1","1","1") = "6"
    & skf21("6","2","7","1","7","1","2","1") = "6"
    & skf21("6","2","7","1","7","1","3","1") = "6"
    & skf21("6","2","7","1","7","1","4","1") = "6"
    & skf21("6","2","7","1","7","1","5","1") = "6"
    & skf21("6","2","7","1","7","1","6","1") = "6"
    & skf21("6","2","7","1","7","1","7","1") = "6"
    & skf21("6","2","7","1","7","2","1","1") = "6"
    & skf21("6","2","7","1","7","2","2","1") = "6"
    & skf21("6","2","7","1","7","2","3","1") = "6"
    & skf21("6","2","7","1","7","2","4","1") = "6"
    & skf21("6","2","7","1","7","2","5","1") = "6"
    & skf21("6","2","7","1","7","2","6","1") = "6"
    & skf21("6","2","7","1","7","2","7","1") = "6"
    & skf21("6","2","7","1","7","3","1","1") = "6"
    & skf21("6","2","7","1","7","3","2","1") = "6"
    & skf21("6","2","7","1","7","3","3","1") = "6"
    & skf21("6","2","7","1","7","3","4","1") = "6"
    & skf21("6","2","7","1","7","3","5","1") = "6"
    & skf21("6","2","7","1","7","3","6","1") = "6"
    & skf21("6","2","7","1","7","3","7","1") = "6"
    & skf21("6","2","7","1","7","4","1","1") = "6"
    & skf21("6","2","7","1","7","4","2","1") = "6"
    & skf21("6","2","7","1","7","4","3","1") = "6"
    & skf21("6","2","7","1","7","4","4","1") = "6"
    & skf21("6","2","7","1","7","4","5","1") = "6"
    & skf21("6","2","7","1","7","4","6","1") = "6"
    & skf21("6","2","7","1","7","4","7","1") = "6"
    & skf21("6","2","7","1","7","5","1","1") = "6"
    & skf21("6","2","7","1","7","5","2","1") = "6"
    & skf21("6","2","7","1","7","5","3","1") = "6"
    & skf21("6","2","7","1","7","5","4","1") = "6"
    & skf21("6","2","7","1","7","5","5","1") = "6"
    & skf21("6","2","7","1","7","5","6","1") = "6"
    & skf21("6","2","7","1","7","5","7","1") = "6"
    & skf21("6","2","7","1","7","6","1","1") = "6"
    & skf21("6","2","7","1","7","6","2","1") = "6"
    & skf21("6","2","7","1","7","6","3","1") = "6"
    & skf21("6","2","7","1","7","6","4","1") = "6"
    & skf21("6","2","7","1","7","6","5","1") = "6"
    & skf21("6","2","7","1","7","6","6","1") = "6"
    & skf21("6","2","7","1","7","6","7","1") = "6"
    & skf21("6","2","7","1","7","7","1","1") = "6"
    & skf21("6","2","7","1","7","7","2","1") = "6"
    & skf21("6","2","7","1","7","7","3","1") = "6"
    & skf21("6","2","7","1","7","7","4","1") = "6"
    & skf21("6","2","7","1","7","7","5","1") = "6"
    & skf21("6","2","7","1","7","7","6","1") = "6"
    & skf21("6","2","7","1","7","7","7","1") = "6"
    & skf21("6","2","7","2","1","1","1","1") = "6"
    & skf21("6","2","7","2","1","1","2","1") = "6"
    & skf21("6","2","7","2","1","1","3","1") = "6"
    & skf21("6","2","7","2","1","1","4","1") = "6"
    & skf21("6","2","7","2","1","1","5","1") = "6"
    & skf21("6","2","7","2","1","1","6","1") = "6"
    & skf21("6","2","7","2","1","1","7","1") = "6"
    & skf21("6","2","7","2","1","2","1","1") = "6"
    & skf21("6","2","7","2","1","2","2","1") = "6"
    & skf21("6","2","7","2","1","2","3","1") = "6"
    & skf21("6","2","7","2","1","2","4","1") = "6"
    & skf21("6","2","7","2","1","2","5","1") = "6"
    & skf21("6","2","7","2","1","2","6","1") = "6"
    & skf21("6","2","7","2","1","2","7","1") = "6"
    & skf21("6","2","7","2","1","3","1","1") = "6"
    & skf21("6","2","7","2","1","3","2","1") = "6"
    & skf21("6","2","7","2","1","3","3","1") = "6"
    & skf21("6","2","7","2","1","3","4","1") = "6"
    & skf21("6","2","7","2","1","3","5","1") = "6"
    & skf21("6","2","7","2","1","3","6","1") = "6"
    & skf21("6","2","7","2","1","3","7","1") = "6"
    & skf21("6","2","7","2","1","4","1","1") = "6"
    & skf21("6","2","7","2","1","4","2","1") = "6"
    & skf21("6","2","7","2","1","4","3","1") = "6"
    & skf21("6","2","7","2","1","4","4","1") = "6"
    & skf21("6","2","7","2","1","4","5","1") = "6"
    & skf21("6","2","7","2","1","4","6","1") = "6"
    & skf21("6","2","7","2","1","4","7","1") = "6"
    & skf21("6","2","7","2","1","5","1","1") = "6"
    & skf21("6","2","7","2","1","5","2","1") = "6"
    & skf21("6","2","7","2","1","5","3","1") = "6"
    & skf21("6","2","7","2","1","5","4","1") = "6"
    & skf21("6","2","7","2","1","5","5","1") = "6"
    & skf21("6","2","7","2","1","5","6","1") = "6"
    & skf21("6","2","7","2","1","5","7","1") = "6"
    & skf21("6","2","7","2","1","6","1","1") = "6"
    & skf21("6","2","7","2","1","6","2","1") = "6"
    & skf21("6","2","7","2","1","6","3","1") = "6"
    & skf21("6","2","7","2","1","6","4","1") = "6"
    & skf21("6","2","7","2","1","6","5","1") = "6"
    & skf21("6","2","7","2","1","6","6","1") = "6"
    & skf21("6","2","7","2","1","6","7","1") = "6"
    & skf21("6","2","7","2","1","7","1","1") = "6"
    & skf21("6","2","7","2","1","7","2","1") = "6"
    & skf21("6","2","7","2","1","7","3","1") = "6"
    & skf21("6","2","7","2","1","7","4","1") = "6"
    & skf21("6","2","7","2","1","7","5","1") = "6"
    & skf21("6","2","7","2","1","7","6","1") = "6"
    & skf21("6","2","7","2","1","7","7","1") = "6"
    & skf21("6","2","7","2","2","1","1","1") = "6"
    & skf21("6","2","7","2","2","1","2","1") = "6"
    & skf21("6","2","7","2","2","1","3","1") = "6"
    & skf21("6","2","7","2","2","1","4","1") = "6"
    & skf21("6","2","7","2","2","1","5","1") = "6"
    & skf21("6","2","7","2","2","1","6","1") = "6"
    & skf21("6","2","7","2","2","1","7","1") = "6"
    & skf21("6","2","7","2","2","2","1","1") = "6"
    & skf21("6","2","7","2","2","2","2","1") = "6"
    & skf21("6","2","7","2","2","2","3","1") = "6"
    & skf21("6","2","7","2","2","2","4","1") = "6"
    & skf21("6","2","7","2","2","2","5","1") = "6"
    & skf21("6","2","7","2","2","2","6","1") = "6"
    & skf21("6","2","7","2","2","2","7","1") = "6"
    & skf21("6","2","7","2","2","3","1","1") = "6"
    & skf21("6","2","7","2","2","3","2","1") = "6"
    & skf21("6","2","7","2","2","3","3","1") = "6"
    & skf21("6","2","7","2","2","3","4","1") = "6"
    & skf21("6","2","7","2","2","3","5","1") = "6"
    & skf21("6","2","7","2","2","3","6","1") = "6"
    & skf21("6","2","7","2","2","3","7","1") = "6"
    & skf21("6","2","7","2","2","4","1","1") = "6"
    & skf21("6","2","7","2","2","4","2","1") = "6"
    & skf21("6","2","7","2","2","4","3","1") = "6"
    & skf21("6","2","7","2","2","4","4","1") = "6"
    & skf21("6","2","7","2","2","4","5","1") = "6"
    & skf21("6","2","7","2","2","4","6","1") = "6"
    & skf21("6","2","7","2","2","4","7","1") = "6"
    & skf21("6","2","7","2","2","5","1","1") = "6"
    & skf21("6","2","7","2","2","5","2","1") = "6"
    & skf21("6","2","7","2","2","5","3","1") = "6"
    & skf21("6","2","7","2","2","5","4","1") = "6"
    & skf21("6","2","7","2","2","5","5","1") = "6"
    & skf21("6","2","7","2","2","5","6","1") = "6"
    & skf21("6","2","7","2","2","5","7","1") = "6"
    & skf21("6","2","7","2","2","6","1","1") = "6"
    & skf21("6","2","7","2","2","6","2","1") = "6"
    & skf21("6","2","7","2","2","6","3","1") = "6"
    & skf21("6","2","7","2","2","6","4","1") = "6"
    & skf21("6","2","7","2","2","6","5","1") = "6"
    & skf21("6","2","7","2","2","6","6","1") = "6"
    & skf21("6","2","7","2","2","6","7","1") = "6"
    & skf21("6","2","7","2","2","7","1","1") = "6"
    & skf21("6","2","7","2","2","7","2","1") = "6"
    & skf21("6","2","7","2","2","7","3","1") = "6"
    & skf21("6","2","7","2","2","7","4","1") = "6"
    & skf21("6","2","7","2","2","7","5","1") = "6"
    & skf21("6","2","7","2","2","7","6","1") = "6"
    & skf21("6","2","7","2","2","7","7","1") = "6"
    & skf21("6","2","7","2","3","1","1","1") = "6"
    & skf21("6","2","7","2","3","1","2","1") = "6"
    & skf21("6","2","7","2","3","1","3","1") = "6"
    & skf21("6","2","7","2","3","1","4","1") = "6"
    & skf21("6","2","7","2","3","1","5","1") = "6"
    & skf21("6","2","7","2","3","1","6","1") = "6"
    & skf21("6","2","7","2","3","1","7","1") = "6"
    & skf21("6","2","7","2","3","2","1","1") = "6"
    & skf21("6","2","7","2","3","2","2","1") = "6"
    & skf21("6","2","7","2","3","2","3","1") = "6"
    & skf21("6","2","7","2","3","2","4","1") = "6"
    & skf21("6","2","7","2","3","2","5","1") = "6"
    & skf21("6","2","7","2","3","2","6","1") = "6"
    & skf21("6","2","7","2","3","2","7","1") = "6"
    & skf21("6","2","7","2","3","3","1","1") = "6"
    & skf21("6","2","7","2","3","3","2","1") = "6"
    & skf21("6","2","7","2","3","3","3","1") = "6"
    & skf21("6","2","7","2","3","3","4","1") = "6"
    & skf21("6","2","7","2","3","3","5","1") = "6"
    & skf21("6","2","7","2","3","3","6","1") = "6"
    & skf21("6","2","7","2","3","3","7","1") = "6"
    & skf21("6","2","7","2","3","4","1","1") = "6"
    & skf21("6","2","7","2","3","4","2","1") = "6"
    & skf21("6","2","7","2","3","4","3","1") = "6"
    & skf21("6","2","7","2","3","4","4","1") = "6"
    & skf21("6","2","7","2","3","4","5","1") = "6"
    & skf21("6","2","7","2","3","4","6","1") = "6"
    & skf21("6","2","7","2","3","4","7","1") = "6"
    & skf21("6","2","7","2","3","5","1","1") = "6"
    & skf21("6","2","7","2","3","5","2","1") = "6"
    & skf21("6","2","7","2","3","5","3","1") = "6"
    & skf21("6","2","7","2","3","5","4","1") = "6"
    & skf21("6","2","7","2","3","5","5","1") = "6"
    & skf21("6","2","7","2","3","5","6","1") = "6"
    & skf21("6","2","7","2","3","5","7","1") = "6"
    & skf21("6","2","7","2","3","6","1","1") = "6"
    & skf21("6","2","7","2","3","6","2","1") = "6"
    & skf21("6","2","7","2","3","6","3","1") = "6"
    & skf21("6","2","7","2","3","6","4","1") = "6"
    & skf21("6","2","7","2","3","6","5","1") = "6"
    & skf21("6","2","7","2","3","6","6","1") = "6"
    & skf21("6","2","7","2","3","6","7","1") = "6"
    & skf21("6","2","7","2","3","7","1","1") = "6"
    & skf21("6","2","7","2","3","7","2","1") = "6"
    & skf21("6","2","7","2","3","7","3","1") = "6"
    & skf21("6","2","7","2","3","7","4","1") = "6"
    & skf21("6","2","7","2","3","7","5","1") = "6"
    & skf21("6","2","7","2","3","7","6","1") = "6"
    & skf21("6","2","7","2","3","7","7","1") = "6"
    & skf21("6","2","7","2","4","1","1","1") = "6"
    & skf21("6","2","7","2","4","1","2","1") = "6"
    & skf21("6","2","7","2","4","1","3","1") = "6"
    & skf21("6","2","7","2","4","1","4","1") = "6"
    & skf21("6","2","7","2","4","1","5","1") = "6"
    & skf21("6","2","7","2","4","1","6","1") = "6"
    & skf21("6","2","7","2","4","1","7","1") = "6"
    & skf21("6","2","7","2","4","2","1","1") = "6"
    & skf21("6","2","7","2","4","2","2","1") = "6"
    & skf21("6","2","7","2","4","2","3","1") = "6"
    & skf21("6","2","7","2","4","2","4","1") = "6"
    & skf21("6","2","7","2","4","2","5","1") = "6"
    & skf21("6","2","7","2","4","2","6","1") = "6"
    & skf21("6","2","7","2","4","2","7","1") = "6"
    & skf21("6","2","7","2","4","3","1","1") = "6"
    & skf21("6","2","7","2","4","3","2","1") = "6"
    & skf21("6","2","7","2","4","3","3","1") = "6"
    & skf21("6","2","7","2","4","3","4","1") = "6"
    & skf21("6","2","7","2","4","3","5","1") = "6"
    & skf21("6","2","7","2","4","3","6","1") = "6"
    & skf21("6","2","7","2","4","3","7","1") = "6"
    & skf21("6","2","7","2","4","4","1","1") = "6"
    & skf21("6","2","7","2","4","4","2","1") = "6"
    & skf21("6","2","7","2","4","4","3","1") = "6"
    & skf21("6","2","7","2","4","4","4","1") = "6"
    & skf21("6","2","7","2","4","4","5","1") = "6"
    & skf21("6","2","7","2","4","4","6","1") = "6"
    & skf21("6","2","7","2","4","4","7","1") = "6"
    & skf21("6","2","7","2","4","5","1","1") = "6"
    & skf21("6","2","7","2","4","5","2","1") = "6"
    & skf21("6","2","7","2","4","5","3","1") = "6"
    & skf21("6","2","7","2","4","5","4","1") = "6"
    & skf21("6","2","7","2","4","5","5","1") = "6"
    & skf21("6","2","7","2","4","5","6","1") = "6"
    & skf21("6","2","7","2","4","5","7","1") = "6"
    & skf21("6","2","7","2","4","6","1","1") = "6"
    & skf21("6","2","7","2","4","6","2","1") = "6"
    & skf21("6","2","7","2","4","6","3","1") = "6"
    & skf21("6","2","7","2","4","6","4","1") = "6"
    & skf21("6","2","7","2","4","6","5","1") = "6"
    & skf21("6","2","7","2","4","6","6","1") = "6"
    & skf21("6","2","7","2","4","6","7","1") = "6"
    & skf21("6","2","7","2","4","7","1","1") = "6"
    & skf21("6","2","7","2","4","7","2","1") = "6"
    & skf21("6","2","7","2","4","7","3","1") = "6"
    & skf21("6","2","7","2","4","7","4","1") = "6"
    & skf21("6","2","7","2","4","7","5","1") = "6"
    & skf21("6","2","7","2","4","7","6","1") = "6"
    & skf21("6","2","7","2","4","7","7","1") = "6"
    & skf21("6","2","7","2","5","1","1","1") = "6"
    & skf21("6","2","7","2","5","1","2","1") = "6"
    & skf21("6","2","7","2","5","1","3","1") = "6"
    & skf21("6","2","7","2","5","1","4","1") = "6"
    & skf21("6","2","7","2","5","1","5","1") = "6"
    & skf21("6","2","7","2","5","1","6","1") = "6"
    & skf21("6","2","7","2","5","1","7","1") = "6"
    & skf21("6","2","7","2","5","2","1","1") = "6"
    & skf21("6","2","7","2","5","2","2","1") = "6"
    & skf21("6","2","7","2","5","2","3","1") = "6"
    & skf21("6","2","7","2","5","2","4","1") = "6"
    & skf21("6","2","7","2","5","2","5","1") = "6"
    & skf21("6","2","7","2","5","2","6","1") = "6"
    & skf21("6","2","7","2","5","2","7","1") = "6"
    & skf21("6","2","7","2","5","3","1","1") = "6"
    & skf21("6","2","7","2","5","3","2","1") = "6"
    & skf21("6","2","7","2","5","3","3","1") = "6"
    & skf21("6","2","7","2","5","3","4","1") = "6"
    & skf21("6","2","7","2","5","3","5","1") = "6"
    & skf21("6","2","7","2","5","3","6","1") = "6"
    & skf21("6","2","7","2","5","3","7","1") = "6"
    & skf21("6","2","7","2","5","4","1","1") = "6"
    & skf21("6","2","7","2","5","4","2","1") = "6"
    & skf21("6","2","7","2","5","4","3","1") = "6"
    & skf21("6","2","7","2","5","4","4","1") = "6"
    & skf21("6","2","7","2","5","4","5","1") = "6"
    & skf21("6","2","7","2","5","4","6","1") = "6"
    & skf21("6","2","7","2","5","4","7","1") = "6"
    & skf21("6","2","7","2","5","5","1","1") = "6"
    & skf21("6","2","7","2","5","5","2","1") = "6"
    & skf21("6","2","7","2","5","5","3","1") = "6"
    & skf21("6","2","7","2","5","5","4","1") = "6"
    & skf21("6","2","7","2","5","5","5","1") = "6"
    & skf21("6","2","7","2","5","5","6","1") = "6"
    & skf21("6","2","7","2","5","5","7","1") = "6"
    & skf21("6","2","7","2","5","6","1","1") = "6"
    & skf21("6","2","7","2","5","6","2","1") = "6"
    & skf21("6","2","7","2","5","6","3","1") = "6"
    & skf21("6","2","7","2","5","6","4","1") = "6"
    & skf21("6","2","7","2","5","6","5","1") = "6"
    & skf21("6","2","7","2","5","6","6","1") = "6"
    & skf21("6","2","7","2","5","6","7","1") = "6"
    & skf21("6","2","7","2","5","7","1","1") = "6"
    & skf21("6","2","7","2","5","7","2","1") = "6"
    & skf21("6","2","7","2","5","7","3","1") = "6"
    & skf21("6","2","7","2","5","7","4","1") = "6"
    & skf21("6","2","7","2","5","7","5","1") = "6"
    & skf21("6","2","7","2","5","7","6","1") = "6"
    & skf21("6","2","7","2","5","7","7","1") = "6"
    & skf21("6","2","7","2","6","1","1","1") = "6"
    & skf21("6","2","7","2","6","1","2","1") = "6"
    & skf21("6","2","7","2","6","1","3","1") = "6"
    & skf21("6","2","7","2","6","1","4","1") = "6"
    & skf21("6","2","7","2","6","1","5","1") = "6"
    & skf21("6","2","7","2","6","1","6","1") = "6"
    & skf21("6","2","7","2","6","1","7","1") = "6"
    & skf21("6","2","7","2","6","2","1","1") = "6"
    & skf21("6","2","7","2","6","2","2","1") = "6"
    & skf21("6","2","7","2","6","2","3","1") = "6"
    & skf21("6","2","7","2","6","2","4","1") = "6"
    & skf21("6","2","7","2","6","2","5","1") = "6"
    & skf21("6","2","7","2","6","2","6","1") = "6"
    & skf21("6","2","7","2","6","2","7","1") = "6"
    & skf21("6","2","7","2","6","3","1","1") = "6"
    & skf21("6","2","7","2","6","3","2","1") = "6"
    & skf21("6","2","7","2","6","3","3","1") = "6"
    & skf21("6","2","7","2","6","3","4","1") = "6"
    & skf21("6","2","7","2","6","3","5","1") = "6"
    & skf21("6","2","7","2","6","3","6","1") = "6"
    & skf21("6","2","7","2","6","3","7","1") = "6"
    & skf21("6","2","7","2","6","4","1","1") = "6"
    & skf21("6","2","7","2","6","4","2","1") = "6"
    & skf21("6","2","7","2","6","4","3","1") = "6"
    & skf21("6","2","7","2","6","4","4","1") = "6"
    & skf21("6","2","7","2","6","4","5","1") = "6"
    & skf21("6","2","7","2","6","4","6","1") = "6"
    & skf21("6","2","7","2","6","4","7","1") = "6"
    & skf21("6","2","7","2","6","5","1","1") = "6"
    & skf21("6","2","7","2","6","5","2","1") = "6"
    & skf21("6","2","7","2","6","5","3","1") = "6"
    & skf21("6","2","7","2","6","5","4","1") = "6"
    & skf21("6","2","7","2","6","5","5","1") = "6"
    & skf21("6","2","7","2","6","5","6","1") = "6"
    & skf21("6","2","7","2","6","5","7","1") = "6"
    & skf21("6","2","7","2","6","6","1","1") = "6"
    & skf21("6","2","7","2","6","6","2","1") = "6"
    & skf21("6","2","7","2","6","6","3","1") = "6"
    & skf21("6","2","7","2","6","6","4","1") = "6"
    & skf21("6","2","7","2","6","6","5","1") = "6"
    & skf21("6","2","7","2","6","6","6","1") = "6"
    & skf21("6","2","7","2","6","6","7","1") = "6"
    & skf21("6","2","7","2","6","7","1","1") = "6"
    & skf21("6","2","7","2","6","7","2","1") = "6"
    & skf21("6","2","7","2","6","7","3","1") = "6"
    & skf21("6","2","7","2","6","7","4","1") = "6"
    & skf21("6","2","7","2","6","7","5","1") = "6"
    & skf21("6","2","7","2","6","7","6","1") = "6"
    & skf21("6","2","7","2","6","7","7","1") = "6"
    & skf21("6","2","7","2","7","1","1","1") = "6"
    & skf21("6","2","7","2","7","1","2","1") = "6"
    & skf21("6","2","7","2","7","1","3","1") = "6"
    & skf21("6","2","7","2","7","1","4","1") = "6"
    & skf21("6","2","7","2","7","1","5","1") = "6"
    & skf21("6","2","7","2","7","1","6","1") = "6"
    & skf21("6","2","7","2","7","1","7","1") = "6"
    & skf21("6","2","7","2","7","2","1","1") = "6"
    & skf21("6","2","7","2","7","2","2","1") = "6"
    & skf21("6","2","7","2","7","2","3","1") = "6"
    & skf21("6","2","7","2","7","2","4","1") = "6"
    & skf21("6","2","7","2","7","2","5","1") = "6"
    & skf21("6","2","7","2","7","2","6","1") = "6"
    & skf21("6","2","7","2","7","2","7","1") = "6"
    & skf21("6","2","7","2","7","3","1","1") = "6"
    & skf21("6","2","7","2","7","3","2","1") = "6"
    & skf21("6","2","7","2","7","3","3","1") = "6"
    & skf21("6","2","7","2","7","3","4","1") = "6"
    & skf21("6","2","7","2","7","3","5","1") = "6"
    & skf21("6","2","7","2","7","3","6","1") = "6"
    & skf21("6","2","7","2","7","3","7","1") = "6"
    & skf21("6","2","7","2","7","4","1","1") = "6"
    & skf21("6","2","7","2","7","4","2","1") = "6"
    & skf21("6","2","7","2","7","4","3","1") = "6"
    & skf21("6","2","7","2","7","4","4","1") = "6"
    & skf21("6","2","7","2","7","4","5","1") = "6"
    & skf21("6","2","7","2","7","4","6","1") = "6"
    & skf21("6","2","7","2","7","4","7","1") = "6"
    & skf21("6","2","7","2","7","5","1","1") = "6"
    & skf21("6","2","7","2","7","5","2","1") = "6"
    & skf21("6","2","7","2","7","5","3","1") = "6"
    & skf21("6","2","7","2","7","5","4","1") = "6"
    & skf21("6","2","7","2","7","5","5","1") = "6"
    & skf21("6","2","7","2","7","5","6","1") = "6"
    & skf21("6","2","7","2","7","5","7","1") = "6"
    & skf21("6","2","7","2","7","6","1","1") = "6"
    & skf21("6","2","7","2","7","6","2","1") = "6"
    & skf21("6","2","7","2","7","6","3","1") = "6"
    & skf21("6","2","7","2","7","6","4","1") = "6"
    & skf21("6","2","7","2","7","6","5","1") = "6"
    & skf21("6","2","7","2","7","6","6","1") = "6"
    & skf21("6","2","7","2","7","6","7","1") = "6"
    & skf21("6","2","7","2","7","7","1","1") = "6"
    & skf21("6","2","7","2","7","7","2","1") = "6"
    & skf21("6","2","7","2","7","7","3","1") = "6"
    & skf21("6","2","7","2","7","7","4","1") = "6"
    & skf21("6","2","7","2","7","7","5","1") = "6"
    & skf21("6","2","7","2","7","7","6","1") = "6"
    & skf21("6","2","7","2","7","7","7","1") = "6"
    & skf21("6","2","7","3","1","1","1","1") = "6"
    & skf21("6","2","7","3","1","1","2","1") = "6"
    & skf21("6","2","7","3","1","1","3","1") = "6"
    & skf21("6","2","7","3","1","1","4","1") = "6"
    & skf21("6","2","7","3","1","1","5","1") = "6"
    & skf21("6","2","7","3","1","1","6","1") = "6"
    & skf21("6","2","7","3","1","1","7","1") = "6"
    & skf21("6","2","7","3","1","2","1","1") = "6"
    & skf21("6","2","7","3","1","2","2","1") = "6"
    & skf21("6","2","7","3","1","2","3","1") = "6"
    & skf21("6","2","7","3","1","2","4","1") = "6"
    & skf21("6","2","7","3","1","2","5","1") = "6"
    & skf21("6","2","7","3","1","2","6","1") = "6"
    & skf21("6","2","7","3","1","2","7","1") = "6"
    & skf21("6","2","7","3","1","3","1","1") = "6"
    & skf21("6","2","7","3","1","3","2","1") = "6"
    & skf21("6","2","7","3","1","3","3","1") = "6"
    & skf21("6","2","7","3","1","3","4","1") = "6"
    & skf21("6","2","7","3","1","3","5","1") = "6"
    & skf21("6","2","7","3","1","3","6","1") = "6"
    & skf21("6","2","7","3","1","3","7","1") = "6"
    & skf21("6","2","7","3","1","4","1","1") = "6"
    & skf21("6","2","7","3","1","4","2","1") = "6"
    & skf21("6","2","7","3","1","4","3","1") = "6"
    & skf21("6","2","7","3","1","4","4","1") = "6"
    & skf21("6","2","7","3","1","4","5","1") = "6"
    & skf21("6","2","7","3","1","4","6","1") = "6"
    & skf21("6","2","7","3","1","4","7","1") = "6"
    & skf21("6","2","7","3","1","5","1","1") = "6"
    & skf21("6","2","7","3","1","5","2","1") = "6"
    & skf21("6","2","7","3","1","5","3","1") = "6"
    & skf21("6","2","7","3","1","5","4","1") = "6"
    & skf21("6","2","7","3","1","5","5","1") = "6"
    & skf21("6","2","7","3","1","5","6","1") = "6"
    & skf21("6","2","7","3","1","5","7","1") = "6"
    & skf21("6","2","7","3","1","6","1","1") = "6"
    & skf21("6","2","7","3","1","6","2","1") = "6"
    & skf21("6","2","7","3","1","6","3","1") = "6"
    & skf21("6","2","7","3","1","6","4","1") = "6"
    & skf21("6","2","7","3","1","6","5","1") = "6"
    & skf21("6","2","7","3","1","6","6","1") = "6"
    & skf21("6","2","7","3","1","6","7","1") = "6"
    & skf21("6","2","7","3","1","7","1","1") = "6"
    & skf21("6","2","7","3","1","7","2","1") = "6"
    & skf21("6","2","7","3","1","7","3","1") = "6"
    & skf21("6","2","7","3","1","7","4","1") = "6"
    & skf21("6","2","7","3","1","7","5","1") = "6"
    & skf21("6","2","7","3","1","7","6","1") = "6"
    & skf21("6","2","7","3","1","7","7","1") = "6"
    & skf21("6","2","7","3","2","1","1","1") = "6"
    & skf21("6","2","7","3","2","1","2","1") = "6"
    & skf21("6","2","7","3","2","1","3","1") = "6"
    & skf21("6","2","7","3","2","1","4","1") = "6"
    & skf21("6","2","7","3","2","1","5","1") = "6"
    & skf21("6","2","7","3","2","1","6","1") = "6"
    & skf21("6","2","7","3","2","1","7","1") = "6"
    & skf21("6","2","7","3","2","2","1","1") = "6"
    & skf21("6","2","7","3","2","2","2","1") = "6"
    & skf21("6","2","7","3","2","2","3","1") = "6"
    & skf21("6","2","7","3","2","2","4","1") = "6"
    & skf21("6","2","7","3","2","2","5","1") = "6"
    & skf21("6","2","7","3","2","2","6","1") = "6"
    & skf21("6","2","7","3","2","2","7","1") = "6"
    & skf21("6","2","7","3","2","3","1","1") = "6"
    & skf21("6","2","7","3","2","3","2","1") = "6"
    & skf21("6","2","7","3","2","3","3","1") = "6"
    & skf21("6","2","7","3","2","3","4","1") = "6"
    & skf21("6","2","7","3","2","3","5","1") = "6"
    & skf21("6","2","7","3","2","3","6","1") = "6"
    & skf21("6","2","7","3","2","3","7","1") = "6"
    & skf21("6","2","7","3","2","4","1","1") = "6"
    & skf21("6","2","7","3","2","4","2","1") = "6"
    & skf21("6","2","7","3","2","4","3","1") = "6"
    & skf21("6","2","7","3","2","4","4","1") = "6"
    & skf21("6","2","7","3","2","4","5","1") = "6"
    & skf21("6","2","7","3","2","4","6","1") = "6"
    & skf21("6","2","7","3","2","4","7","1") = "6"
    & skf21("6","2","7","3","2","5","1","1") = "6"
    & skf21("6","2","7","3","2","5","2","1") = "6"
    & skf21("6","2","7","3","2","5","3","1") = "6"
    & skf21("6","2","7","3","2","5","4","1") = "6"
    & skf21("6","2","7","3","2","5","5","1") = "6"
    & skf21("6","2","7","3","2","5","6","1") = "6"
    & skf21("6","2","7","3","2","5","7","1") = "6"
    & skf21("6","2","7","3","2","6","1","1") = "6"
    & skf21("6","2","7","3","2","6","2","1") = "6"
    & skf21("6","2","7","3","2","6","3","1") = "6"
    & skf21("6","2","7","3","2","6","4","1") = "6"
    & skf21("6","2","7","3","2","6","5","1") = "6"
    & skf21("6","2","7","3","2","6","6","1") = "6"
    & skf21("6","2","7","3","2","6","7","1") = "6"
    & skf21("6","2","7","3","2","7","1","1") = "6"
    & skf21("6","2","7","3","2","7","2","1") = "6"
    & skf21("6","2","7","3","2","7","3","1") = "6"
    & skf21("6","2","7","3","2","7","4","1") = "6"
    & skf21("6","2","7","3","2","7","5","1") = "6"
    & skf21("6","2","7","3","2","7","6","1") = "6"
    & skf21("6","2","7","3","2","7","7","1") = "6"
    & skf21("6","2","7","3","3","1","1","1") = "6"
    & skf21("6","2","7","3","3","1","2","1") = "6"
    & skf21("6","2","7","3","3","1","3","1") = "6"
    & skf21("6","2","7","3","3","1","4","1") = "6"
    & skf21("6","2","7","3","3","1","5","1") = "6"
    & skf21("6","2","7","3","3","1","6","1") = "6"
    & skf21("6","2","7","3","3","1","7","1") = "6"
    & skf21("6","2","7","3","3","2","1","1") = "6"
    & skf21("6","2","7","3","3","2","2","1") = "6"
    & skf21("6","2","7","3","3","2","3","1") = "6"
    & skf21("6","2","7","3","3","2","4","1") = "6"
    & skf21("6","2","7","3","3","2","5","1") = "6"
    & skf21("6","2","7","3","3","2","6","1") = "6"
    & skf21("6","2","7","3","3","2","7","1") = "6"
    & skf21("6","2","7","3","3","3","1","1") = "6"
    & skf21("6","2","7","3","3","3","2","1") = "6"
    & skf21("6","2","7","3","3","3","3","1") = "6"
    & skf21("6","2","7","3","3","3","4","1") = "6"
    & skf21("6","2","7","3","3","3","5","1") = "6"
    & skf21("6","2","7","3","3","3","6","1") = "6"
    & skf21("6","2","7","3","3","3","7","1") = "6"
    & skf21("6","2","7","3","3","4","1","1") = "6"
    & skf21("6","2","7","3","3","4","2","1") = "6"
    & skf21("6","2","7","3","3","4","3","1") = "6"
    & skf21("6","2","7","3","3","4","4","1") = "6"
    & skf21("6","2","7","3","3","4","5","1") = "6"
    & skf21("6","2","7","3","3","4","6","1") = "6"
    & skf21("6","2","7","3","3","4","7","1") = "6"
    & skf21("6","2","7","3","3","5","1","1") = "6"
    & skf21("6","2","7","3","3","5","2","1") = "6"
    & skf21("6","2","7","3","3","5","3","1") = "6"
    & skf21("6","2","7","3","3","5","4","1") = "6"
    & skf21("6","2","7","3","3","5","5","1") = "6"
    & skf21("6","2","7","3","3","5","6","1") = "6"
    & skf21("6","2","7","3","3","5","7","1") = "6"
    & skf21("6","2","7","3","3","6","1","1") = "6"
    & skf21("6","2","7","3","3","6","2","1") = "6"
    & skf21("6","2","7","3","3","6","3","1") = "6"
    & skf21("6","2","7","3","3","6","4","1") = "6"
    & skf21("6","2","7","3","3","6","5","1") = "6"
    & skf21("6","2","7","3","3","6","6","1") = "6"
    & skf21("6","2","7","3","3","6","7","1") = "6"
    & skf21("6","2","7","3","3","7","1","1") = "6"
    & skf21("6","2","7","3","3","7","2","1") = "6"
    & skf21("6","2","7","3","3","7","3","1") = "6"
    & skf21("6","2","7","3","3","7","4","1") = "6"
    & skf21("6","2","7","3","3","7","5","1") = "6"
    & skf21("6","2","7","3","3","7","6","1") = "6"
    & skf21("6","2","7","3","3","7","7","1") = "6"
    & skf21("6","2","7","3","4","1","1","1") = "6"
    & skf21("6","2","7","3","4","1","2","1") = "6"
    & skf21("6","2","7","3","4","1","3","1") = "6"
    & skf21("6","2","7","3","4","1","4","1") = "6"
    & skf21("6","2","7","3","4","1","5","1") = "6"
    & skf21("6","2","7","3","4","1","6","1") = "6"
    & skf21("6","2","7","3","4","1","7","1") = "6"
    & skf21("6","2","7","3","4","2","1","1") = "6"
    & skf21("6","2","7","3","4","2","2","1") = "6"
    & skf21("6","2","7","3","4","2","3","1") = "6"
    & skf21("6","2","7","3","4","2","4","1") = "6"
    & skf21("6","2","7","3","4","2","5","1") = "6"
    & skf21("6","2","7","3","4","2","6","1") = "6"
    & skf21("6","2","7","3","4","2","7","1") = "6"
    & skf21("6","2","7","3","4","3","1","1") = "6"
    & skf21("6","2","7","3","4","3","2","1") = "6"
    & skf21("6","2","7","3","4","3","3","1") = "6"
    & skf21("6","2","7","3","4","3","4","1") = "6"
    & skf21("6","2","7","3","4","3","5","1") = "6"
    & skf21("6","2","7","3","4","3","6","1") = "6"
    & skf21("6","2","7","3","4","3","7","1") = "6"
    & skf21("6","2","7","3","4","4","1","1") = "6"
    & skf21("6","2","7","3","4","4","2","1") = "6"
    & skf21("6","2","7","3","4","4","3","1") = "6"
    & skf21("6","2","7","3","4","4","4","1") = "6"
    & skf21("6","2","7","3","4","4","5","1") = "6"
    & skf21("6","2","7","3","4","4","6","1") = "6"
    & skf21("6","2","7","3","4","4","7","1") = "6"
    & skf21("6","2","7","3","4","5","1","1") = "6"
    & skf21("6","2","7","3","4","5","2","1") = "6"
    & skf21("6","2","7","3","4","5","3","1") = "6"
    & skf21("6","2","7","3","4","5","4","1") = "6"
    & skf21("6","2","7","3","4","5","5","1") = "6"
    & skf21("6","2","7","3","4","5","6","1") = "6"
    & skf21("6","2","7","3","4","5","7","1") = "6"
    & skf21("6","2","7","3","4","6","1","1") = "6"
    & skf21("6","2","7","3","4","6","2","1") = "6"
    & skf21("6","2","7","3","4","6","3","1") = "6"
    & skf21("6","2","7","3","4","6","4","1") = "6"
    & skf21("6","2","7","3","4","6","5","1") = "6"
    & skf21("6","2","7","3","4","6","6","1") = "6"
    & skf21("6","2","7","3","4","6","7","1") = "6"
    & skf21("6","2","7","3","4","7","1","1") = "6"
    & skf21("6","2","7","3","4","7","2","1") = "6"
    & skf21("6","2","7","3","4","7","3","1") = "6"
    & skf21("6","2","7","3","4","7","4","1") = "6"
    & skf21("6","2","7","3","4","7","5","1") = "6"
    & skf21("6","2","7","3","4","7","6","1") = "6"
    & skf21("6","2","7","3","4","7","7","1") = "6"
    & skf21("6","2","7","3","5","1","1","1") = "6"
    & skf21("6","2","7","3","5","1","2","1") = "6"
    & skf21("6","2","7","3","5","1","3","1") = "6"
    & skf21("6","2","7","3","5","1","4","1") = "6"
    & skf21("6","2","7","3","5","1","5","1") = "6"
    & skf21("6","2","7","3","5","1","6","1") = "6"
    & skf21("6","2","7","3","5","1","7","1") = "6"
    & skf21("6","2","7","3","5","2","1","1") = "6"
    & skf21("6","2","7","3","5","2","2","1") = "6"
    & skf21("6","2","7","3","5","2","3","1") = "6"
    & skf21("6","2","7","3","5","2","4","1") = "6"
    & skf21("6","2","7","3","5","2","5","1") = "6"
    & skf21("6","2","7","3","5","2","6","1") = "6"
    & skf21("6","2","7","3","5","2","7","1") = "6"
    & skf21("6","2","7","3","5","3","1","1") = "6"
    & skf21("6","2","7","3","5","3","2","1") = "6"
    & skf21("6","2","7","3","5","3","3","1") = "6"
    & skf21("6","2","7","3","5","3","4","1") = "6"
    & skf21("6","2","7","3","5","3","5","1") = "6"
    & skf21("6","2","7","3","5","3","6","1") = "6"
    & skf21("6","2","7","3","5","3","7","1") = "6"
    & skf21("6","2","7","3","5","4","1","1") = "6"
    & skf21("6","2","7","3","5","4","2","1") = "6"
    & skf21("6","2","7","3","5","4","3","1") = "6"
    & skf21("6","2","7","3","5","4","4","1") = "6"
    & skf21("6","2","7","3","5","4","5","1") = "6"
    & skf21("6","2","7","3","5","4","6","1") = "6"
    & skf21("6","2","7","3","5","4","7","1") = "6"
    & skf21("6","2","7","3","5","5","1","1") = "6"
    & skf21("6","2","7","3","5","5","2","1") = "6"
    & skf21("6","2","7","3","5","5","3","1") = "6"
    & skf21("6","2","7","3","5","5","4","1") = "6"
    & skf21("6","2","7","3","5","5","5","1") = "6"
    & skf21("6","2","7","3","5","5","6","1") = "6"
    & skf21("6","2","7","3","5","5","7","1") = "6"
    & skf21("6","2","7","3","5","6","1","1") = "6"
    & skf21("6","2","7","3","5","6","2","1") = "6"
    & skf21("6","2","7","3","5","6","3","1") = "6"
    & skf21("6","2","7","3","5","6","4","1") = "6"
    & skf21("6","2","7","3","5","6","5","1") = "6"
    & skf21("6","2","7","3","5","6","6","1") = "6"
    & skf21("6","2","7","3","5","6","7","1") = "6"
    & skf21("6","2","7","3","5","7","1","1") = "6"
    & skf21("6","2","7","3","5","7","2","1") = "6"
    & skf21("6","2","7","3","5","7","3","1") = "6"
    & skf21("6","2","7","3","5","7","4","1") = "6"
    & skf21("6","2","7","3","5","7","5","1") = "6"
    & skf21("6","2","7","3","5","7","6","1") = "6"
    & skf21("6","2","7","3","5","7","7","1") = "6"
    & skf21("6","2","7","3","6","1","1","1") = "6"
    & skf21("6","2","7","3","6","1","2","1") = "6"
    & skf21("6","2","7","3","6","1","3","1") = "6"
    & skf21("6","2","7","3","6","1","4","1") = "6"
    & skf21("6","2","7","3","6","1","5","1") = "6"
    & skf21("6","2","7","3","6","1","6","1") = "6"
    & skf21("6","2","7","3","6","1","7","1") = "6"
    & skf21("6","2","7","3","6","2","1","1") = "6"
    & skf21("6","2","7","3","6","2","2","1") = "6"
    & skf21("6","2","7","3","6","2","3","1") = "6"
    & skf21("6","2","7","3","6","2","4","1") = "6"
    & skf21("6","2","7","3","6","2","5","1") = "6"
    & skf21("6","2","7","3","6","2","6","1") = "6"
    & skf21("6","2","7","3","6","2","7","1") = "6"
    & skf21("6","2","7","3","6","3","1","1") = "6"
    & skf21("6","2","7","3","6","3","2","1") = "6"
    & skf21("6","2","7","3","6","3","3","1") = "6"
    & skf21("6","2","7","3","6","3","4","1") = "6"
    & skf21("6","2","7","3","6","3","5","1") = "6"
    & skf21("6","2","7","3","6","3","6","1") = "6"
    & skf21("6","2","7","3","6","3","7","1") = "6"
    & skf21("6","2","7","3","6","4","1","1") = "6"
    & skf21("6","2","7","3","6","4","2","1") = "6"
    & skf21("6","2","7","3","6","4","3","1") = "6"
    & skf21("6","2","7","3","6","4","4","1") = "6"
    & skf21("6","2","7","3","6","4","5","1") = "6"
    & skf21("6","2","7","3","6","4","6","1") = "6"
    & skf21("6","2","7","3","6","4","7","1") = "6"
    & skf21("6","2","7","3","6","5","1","1") = "6"
    & skf21("6","2","7","3","6","5","2","1") = "6"
    & skf21("6","2","7","3","6","5","3","1") = "6"
    & skf21("6","2","7","3","6","5","4","1") = "6"
    & skf21("6","2","7","3","6","5","5","1") = "6"
    & skf21("6","2","7","3","6","5","6","1") = "6"
    & skf21("6","2","7","3","6","5","7","1") = "6"
    & skf21("6","2","7","3","6","6","1","1") = "6"
    & skf21("6","2","7","3","6","6","2","1") = "6"
    & skf21("6","2","7","3","6","6","3","1") = "6"
    & skf21("6","2","7","3","6","6","4","1") = "6"
    & skf21("6","2","7","3","6","6","5","1") = "6"
    & skf21("6","2","7","3","6","6","6","1") = "6"
    & skf21("6","2","7","3","6","6","7","1") = "6"
    & skf21("6","2","7","3","6","7","1","1") = "6"
    & skf21("6","2","7","3","6","7","2","1") = "6"
    & skf21("6","2","7","3","6","7","3","1") = "6"
    & skf21("6","2","7","3","6","7","4","1") = "6"
    & skf21("6","2","7","3","6","7","5","1") = "6"
    & skf21("6","2","7","3","6","7","6","1") = "6"
    & skf21("6","2","7","3","6","7","7","1") = "6"
    & skf21("6","2","7","3","7","1","1","1") = "6"
    & skf21("6","2","7","3","7","1","2","1") = "6"
    & skf21("6","2","7","3","7","1","3","1") = "6"
    & skf21("6","2","7","3","7","1","4","1") = "6"
    & skf21("6","2","7","3","7","1","5","1") = "6"
    & skf21("6","2","7","3","7","1","6","1") = "6"
    & skf21("6","2","7","3","7","1","7","1") = "6"
    & skf21("6","2","7","3","7","2","1","1") = "6"
    & skf21("6","2","7","3","7","2","2","1") = "6"
    & skf21("6","2","7","3","7","2","3","1") = "6"
    & skf21("6","2","7","3","7","2","4","1") = "6"
    & skf21("6","2","7","3","7","2","5","1") = "6"
    & skf21("6","2","7","3","7","2","6","1") = "6"
    & skf21("6","2","7","3","7","2","7","1") = "6"
    & skf21("6","2","7","3","7","3","1","1") = "6"
    & skf21("6","2","7","3","7","3","2","1") = "6"
    & skf21("6","2","7","3","7","3","3","1") = "6"
    & skf21("6","2","7","3","7","3","4","1") = "6"
    & skf21("6","2","7","3","7","3","5","1") = "6"
    & skf21("6","2","7","3","7","3","6","1") = "6"
    & skf21("6","2","7","3","7","3","7","1") = "6"
    & skf21("6","2","7","3","7","4","1","1") = "6"
    & skf21("6","2","7","3","7","4","2","1") = "6"
    & skf21("6","2","7","3","7","4","3","1") = "6"
    & skf21("6","2","7","3","7","4","4","1") = "6"
    & skf21("6","2","7","3","7","4","5","1") = "6"
    & skf21("6","2","7","3","7","4","6","1") = "6"
    & skf21("6","2","7","3","7","4","7","1") = "6"
    & skf21("6","2","7","3","7","5","1","1") = "6"
    & skf21("6","2","7","3","7","5","2","1") = "6"
    & skf21("6","2","7","3","7","5","3","1") = "6"
    & skf21("6","2","7","3","7","5","4","1") = "6"
    & skf21("6","2","7","3","7","5","5","1") = "6"
    & skf21("6","2","7","3","7","5","6","1") = "6"
    & skf21("6","2","7","3","7","5","7","1") = "6"
    & skf21("6","2","7","3","7","6","1","1") = "6"
    & skf21("6","2","7","3","7","6","2","1") = "6"
    & skf21("6","2","7","3","7","6","3","1") = "6"
    & skf21("6","2","7","3","7","6","4","1") = "6"
    & skf21("6","2","7","3","7","6","5","1") = "6"
    & skf21("6","2","7","3","7","6","6","1") = "6"
    & skf21("6","2","7","3","7","6","7","1") = "6"
    & skf21("6","2","7","3","7","7","1","1") = "6"
    & skf21("6","2","7","3","7","7","2","1") = "6"
    & skf21("6","2","7","3","7","7","3","1") = "6"
    & skf21("6","2","7","3","7","7","4","1") = "6"
    & skf21("6","2","7","3","7","7","5","1") = "6"
    & skf21("6","2","7","3","7","7","6","1") = "6"
    & skf21("6","2","7","3","7","7","7","1") = "6"
    & skf21("6","2","7","4","1","1","1","1") = "6"
    & skf21("6","2","7","4","1","1","2","1") = "6"
    & skf21("6","2","7","4","1","1","3","1") = "6"
    & skf21("6","2","7","4","1","1","4","1") = "6"
    & skf21("6","2","7","4","1","1","5","1") = "6"
    & skf21("6","2","7","4","1","1","6","1") = "6"
    & skf21("6","2","7","4","1","1","7","1") = "6"
    & skf21("6","2","7","4","1","2","1","1") = "6"
    & skf21("6","2","7","4","1","2","2","1") = "6"
    & skf21("6","2","7","4","1","2","3","1") = "6"
    & skf21("6","2","7","4","1","2","4","1") = "6"
    & skf21("6","2","7","4","1","2","5","1") = "6"
    & skf21("6","2","7","4","1","2","6","1") = "6"
    & skf21("6","2","7","4","1","2","7","1") = "6"
    & skf21("6","2","7","4","1","3","1","1") = "6"
    & skf21("6","2","7","4","1","3","2","1") = "6"
    & skf21("6","2","7","4","1","3","3","1") = "6"
    & skf21("6","2","7","4","1","3","4","1") = "6"
    & skf21("6","2","7","4","1","3","5","1") = "6"
    & skf21("6","2","7","4","1","3","6","1") = "6"
    & skf21("6","2","7","4","1","3","7","1") = "6"
    & skf21("6","2","7","4","1","4","1","1") = "6"
    & skf21("6","2","7","4","1","4","2","1") = "6"
    & skf21("6","2","7","4","1","4","3","1") = "6"
    & skf21("6","2","7","4","1","4","4","1") = "6"
    & skf21("6","2","7","4","1","4","5","1") = "6"
    & skf21("6","2","7","4","1","4","6","1") = "6"
    & skf21("6","2","7","4","1","4","7","1") = "6"
    & skf21("6","2","7","4","1","5","1","1") = "6"
    & skf21("6","2","7","4","1","5","2","1") = "6"
    & skf21("6","2","7","4","1","5","3","1") = "6"
    & skf21("6","2","7","4","1","5","4","1") = "6"
    & skf21("6","2","7","4","1","5","5","1") = "6"
    & skf21("6","2","7","4","1","5","6","1") = "6"
    & skf21("6","2","7","4","1","5","7","1") = "6"
    & skf21("6","2","7","4","1","6","1","1") = "6"
    & skf21("6","2","7","4","1","6","2","1") = "6"
    & skf21("6","2","7","4","1","6","3","1") = "6"
    & skf21("6","2","7","4","1","6","4","1") = "6"
    & skf21("6","2","7","4","1","6","5","1") = "6"
    & skf21("6","2","7","4","1","6","6","1") = "6"
    & skf21("6","2","7","4","1","6","7","1") = "6"
    & skf21("6","2","7","4","1","7","1","1") = "6"
    & skf21("6","2","7","4","1","7","2","1") = "6"
    & skf21("6","2","7","4","1","7","3","1") = "6"
    & skf21("6","2","7","4","1","7","4","1") = "6"
    & skf21("6","2","7","4","1","7","5","1") = "6"
    & skf21("6","2","7","4","1","7","6","1") = "6"
    & skf21("6","2","7","4","1","7","7","1") = "6"
    & skf21("6","2","7","4","2","1","1","1") = "6"
    & skf21("6","2","7","4","2","1","2","1") = "6"
    & skf21("6","2","7","4","2","1","3","1") = "6"
    & skf21("6","2","7","4","2","1","4","1") = "6"
    & skf21("6","2","7","4","2","1","5","1") = "6"
    & skf21("6","2","7","4","2","1","6","1") = "6"
    & skf21("6","2","7","4","2","1","7","1") = "6"
    & skf21("6","2","7","4","2","2","1","1") = "6"
    & skf21("6","2","7","4","2","2","2","1") = "6"
    & skf21("6","2","7","4","2","2","3","1") = "6"
    & skf21("6","2","7","4","2","2","4","1") = "6"
    & skf21("6","2","7","4","2","2","5","1") = "6"
    & skf21("6","2","7","4","2","2","6","1") = "6"
    & skf21("6","2","7","4","2","2","7","1") = "6"
    & skf21("6","2","7","4","2","3","1","1") = "6"
    & skf21("6","2","7","4","2","3","2","1") = "6"
    & skf21("6","2","7","4","2","3","3","1") = "6"
    & skf21("6","2","7","4","2","3","4","1") = "6"
    & skf21("6","2","7","4","2","3","5","1") = "6"
    & skf21("6","2","7","4","2","3","6","1") = "6"
    & skf21("6","2","7","4","2","3","7","1") = "6"
    & skf21("6","2","7","4","2","4","1","1") = "6"
    & skf21("6","2","7","4","2","4","2","1") = "6"
    & skf21("6","2","7","4","2","4","3","1") = "6"
    & skf21("6","2","7","4","2","4","4","1") = "6"
    & skf21("6","2","7","4","2","4","5","1") = "6"
    & skf21("6","2","7","4","2","4","6","1") = "6"
    & skf21("6","2","7","4","2","4","7","1") = "6"
    & skf21("6","2","7","4","2","5","1","1") = "6"
    & skf21("6","2","7","4","2","5","2","1") = "6"
    & skf21("6","2","7","4","2","5","3","1") = "6"
    & skf21("6","2","7","4","2","5","4","1") = "6"
    & skf21("6","2","7","4","2","5","5","1") = "6"
    & skf21("6","2","7","4","2","5","6","1") = "6"
    & skf21("6","2","7","4","2","5","7","1") = "6"
    & skf21("6","2","7","4","2","6","1","1") = "6"
    & skf21("6","2","7","4","2","6","2","1") = "6"
    & skf21("6","2","7","4","2","6","3","1") = "6"
    & skf21("6","2","7","4","2","6","4","1") = "6"
    & skf21("6","2","7","4","2","6","5","1") = "6"
    & skf21("6","2","7","4","2","6","6","1") = "6"
    & skf21("6","2","7","4","2","6","7","1") = "6"
    & skf21("6","2","7","4","2","7","1","1") = "6"
    & skf21("6","2","7","4","2","7","2","1") = "6"
    & skf21("6","2","7","4","2","7","3","1") = "6"
    & skf21("6","2","7","4","2","7","4","1") = "6"
    & skf21("6","2","7","4","2","7","5","1") = "6"
    & skf21("6","2","7","4","2","7","6","1") = "6"
    & skf21("6","2","7","4","2","7","7","1") = "6"
    & skf21("6","2","7","4","3","1","1","1") = "6"
    & skf21("6","2","7","4","3","1","2","1") = "6"
    & skf21("6","2","7","4","3","1","3","1") = "6"
    & skf21("6","2","7","4","3","1","4","1") = "6"
    & skf21("6","2","7","4","3","1","5","1") = "6"
    & skf21("6","2","7","4","3","1","6","1") = "6"
    & skf21("6","2","7","4","3","1","7","1") = "6"
    & skf21("6","2","7","4","3","2","1","1") = "6"
    & skf21("6","2","7","4","3","2","2","1") = "6"
    & skf21("6","2","7","4","3","2","3","1") = "6"
    & skf21("6","2","7","4","3","2","4","1") = "6"
    & skf21("6","2","7","4","3","2","5","1") = "6"
    & skf21("6","2","7","4","3","2","6","1") = "6"
    & skf21("6","2","7","4","3","2","7","1") = "6"
    & skf21("6","2","7","4","3","3","1","1") = "6"
    & skf21("6","2","7","4","3","3","2","1") = "6"
    & skf21("6","2","7","4","3","3","3","1") = "6"
    & skf21("6","2","7","4","3","3","4","1") = "6"
    & skf21("6","2","7","4","3","3","5","1") = "6"
    & skf21("6","2","7","4","3","3","6","1") = "6"
    & skf21("6","2","7","4","3","3","7","1") = "6"
    & skf21("6","2","7","4","3","4","1","1") = "6"
    & skf21("6","2","7","4","3","4","2","1") = "6"
    & skf21("6","2","7","4","3","4","3","1") = "6"
    & skf21("6","2","7","4","3","4","4","1") = "6"
    & skf21("6","2","7","4","3","4","5","1") = "6"
    & skf21("6","2","7","4","3","4","6","1") = "6"
    & skf21("6","2","7","4","3","4","7","1") = "6"
    & skf21("6","2","7","4","3","5","1","1") = "6"
    & skf21("6","2","7","4","3","5","2","1") = "6"
    & skf21("6","2","7","4","3","5","3","1") = "6"
    & skf21("6","2","7","4","3","5","4","1") = "6"
    & skf21("6","2","7","4","3","5","5","1") = "6"
    & skf21("6","2","7","4","3","5","6","1") = "6"
    & skf21("6","2","7","4","3","5","7","1") = "6"
    & skf21("6","2","7","4","3","6","1","1") = "6"
    & skf21("6","2","7","4","3","6","2","1") = "6"
    & skf21("6","2","7","4","3","6","3","1") = "6"
    & skf21("6","2","7","4","3","6","4","1") = "6"
    & skf21("6","2","7","4","3","6","5","1") = "6"
    & skf21("6","2","7","4","3","6","6","1") = "6"
    & skf21("6","2","7","4","3","6","7","1") = "6"
    & skf21("6","2","7","4","3","7","1","1") = "6"
    & skf21("6","2","7","4","3","7","2","1") = "6"
    & skf21("6","2","7","4","3","7","3","1") = "6"
    & skf21("6","2","7","4","3","7","4","1") = "6"
    & skf21("6","2","7","4","3","7","5","1") = "6"
    & skf21("6","2","7","4","3","7","6","1") = "6"
    & skf21("6","2","7","4","3","7","7","1") = "6"
    & skf21("6","2","7","4","4","1","1","1") = "6"
    & skf21("6","2","7","4","4","1","2","1") = "6"
    & skf21("6","2","7","4","4","1","3","1") = "6"
    & skf21("6","2","7","4","4","1","4","1") = "6"
    & skf21("6","2","7","4","4","1","5","1") = "6"
    & skf21("6","2","7","4","4","1","6","1") = "6"
    & skf21("6","2","7","4","4","1","7","1") = "6"
    & skf21("6","2","7","4","4","2","1","1") = "6"
    & skf21("6","2","7","4","4","2","2","1") = "6"
    & skf21("6","2","7","4","4","2","3","1") = "6"
    & skf21("6","2","7","4","4","2","4","1") = "6"
    & skf21("6","2","7","4","4","2","5","1") = "6"
    & skf21("6","2","7","4","4","2","6","1") = "6"
    & skf21("6","2","7","4","4","2","7","1") = "6"
    & skf21("6","2","7","4","4","3","1","1") = "6"
    & skf21("6","2","7","4","4","3","2","1") = "6"
    & skf21("6","2","7","4","4","3","3","1") = "6"
    & skf21("6","2","7","4","4","3","4","1") = "6"
    & skf21("6","2","7","4","4","3","5","1") = "6"
    & skf21("6","2","7","4","4","3","6","1") = "6"
    & skf21("6","2","7","4","4","3","7","1") = "6"
    & skf21("6","2","7","4","4","4","1","1") = "6"
    & skf21("6","2","7","4","4","4","2","1") = "6"
    & skf21("6","2","7","4","4","4","3","1") = "6"
    & skf21("6","2","7","4","4","4","4","1") = "6"
    & skf21("6","2","7","4","4","4","5","1") = "6"
    & skf21("6","2","7","4","4","4","6","1") = "6"
    & skf21("6","2","7","4","4","4","7","1") = "6"
    & skf21("6","2","7","4","4","5","1","1") = "6"
    & skf21("6","2","7","4","4","5","2","1") = "6"
    & skf21("6","2","7","4","4","5","3","1") = "6"
    & skf21("6","2","7","4","4","5","4","1") = "6"
    & skf21("6","2","7","4","4","5","5","1") = "6"
    & skf21("6","2","7","4","4","5","6","1") = "6"
    & skf21("6","2","7","4","4","5","7","1") = "6"
    & skf21("6","2","7","4","4","6","1","1") = "6"
    & skf21("6","2","7","4","4","6","2","1") = "6"
    & skf21("6","2","7","4","4","6","3","1") = "6"
    & skf21("6","2","7","4","4","6","4","1") = "6"
    & skf21("6","2","7","4","4","6","5","1") = "6"
    & skf21("6","2","7","4","4","6","6","1") = "6"
    & skf21("6","2","7","4","4","6","7","1") = "6"
    & skf21("6","2","7","4","4","7","1","1") = "6"
    & skf21("6","2","7","4","4","7","2","1") = "6"
    & skf21("6","2","7","4","4","7","3","1") = "6"
    & skf21("6","2","7","4","4","7","4","1") = "6"
    & skf21("6","2","7","4","4","7","5","1") = "6"
    & skf21("6","2","7","4","4","7","6","1") = "6"
    & skf21("6","2","7","4","4","7","7","1") = "6"
    & skf21("6","2","7","4","5","1","1","1") = "6"
    & skf21("6","2","7","4","5","1","2","1") = "6"
    & skf21("6","2","7","4","5","1","3","1") = "6"
    & skf21("6","2","7","4","5","1","4","1") = "6"
    & skf21("6","2","7","4","5","1","5","1") = "6"
    & skf21("6","2","7","4","5","1","6","1") = "6"
    & skf21("6","2","7","4","5","1","7","1") = "6"
    & skf21("6","2","7","4","5","2","1","1") = "6"
    & skf21("6","2","7","4","5","2","2","1") = "6"
    & skf21("6","2","7","4","5","2","3","1") = "6"
    & skf21("6","2","7","4","5","2","4","1") = "6"
    & skf21("6","2","7","4","5","2","5","1") = "6"
    & skf21("6","2","7","4","5","2","6","1") = "6"
    & skf21("6","2","7","4","5","2","7","1") = "6"
    & skf21("6","2","7","4","5","3","1","1") = "6"
    & skf21("6","2","7","4","5","3","2","1") = "6"
    & skf21("6","2","7","4","5","3","3","1") = "6"
    & skf21("6","2","7","4","5","3","4","1") = "6"
    & skf21("6","2","7","4","5","3","5","1") = "6"
    & skf21("6","2","7","4","5","3","6","1") = "6"
    & skf21("6","2","7","4","5","3","7","1") = "6"
    & skf21("6","2","7","4","5","4","1","1") = "6"
    & skf21("6","2","7","4","5","4","2","1") = "6"
    & skf21("6","2","7","4","5","4","3","1") = "6"
    & skf21("6","2","7","4","5","4","4","1") = "6"
    & skf21("6","2","7","4","5","4","5","1") = "6"
    & skf21("6","2","7","4","5","4","6","1") = "6"
    & skf21("6","2","7","4","5","4","7","1") = "6"
    & skf21("6","2","7","4","5","5","1","1") = "6"
    & skf21("6","2","7","4","5","5","2","1") = "6"
    & skf21("6","2","7","4","5","5","3","1") = "6"
    & skf21("6","2","7","4","5","5","4","1") = "6"
    & skf21("6","2","7","4","5","5","5","1") = "6"
    & skf21("6","2","7","4","5","5","6","1") = "6"
    & skf21("6","2","7","4","5","5","7","1") = "6"
    & skf21("6","2","7","4","5","6","1","1") = "6"
    & skf21("6","2","7","4","5","6","2","1") = "6"
    & skf21("6","2","7","4","5","6","3","1") = "6"
    & skf21("6","2","7","4","5","6","4","1") = "6"
    & skf21("6","2","7","4","5","6","5","1") = "6"
    & skf21("6","2","7","4","5","6","6","1") = "6"
    & skf21("6","2","7","4","5","6","7","1") = "6"
    & skf21("6","2","7","4","5","7","1","1") = "6"
    & skf21("6","2","7","4","5","7","2","1") = "6"
    & skf21("6","2","7","4","5","7","3","1") = "6"
    & skf21("6","2","7","4","5","7","4","1") = "6"
    & skf21("6","2","7","4","5","7","5","1") = "6"
    & skf21("6","2","7","4","5","7","6","1") = "6"
    & skf21("6","2","7","4","5","7","7","1") = "6"
    & skf21("6","2","7","4","6","1","1","1") = "6"
    & skf21("6","2","7","4","6","1","2","1") = "6"
    & skf21("6","2","7","4","6","1","3","1") = "6"
    & skf21("6","2","7","4","6","1","4","1") = "6"
    & skf21("6","2","7","4","6","1","5","1") = "6"
    & skf21("6","2","7","4","6","1","6","1") = "6"
    & skf21("6","2","7","4","6","1","7","1") = "6"
    & skf21("6","2","7","4","6","2","1","1") = "6"
    & skf21("6","2","7","4","6","2","2","1") = "6"
    & skf21("6","2","7","4","6","2","3","1") = "6"
    & skf21("6","2","7","4","6","2","4","1") = "6"
    & skf21("6","2","7","4","6","2","5","1") = "6"
    & skf21("6","2","7","4","6","2","6","1") = "6"
    & skf21("6","2","7","4","6","2","7","1") = "6"
    & skf21("6","2","7","4","6","3","1","1") = "6"
    & skf21("6","2","7","4","6","3","2","1") = "6"
    & skf21("6","2","7","4","6","3","3","1") = "6"
    & skf21("6","2","7","4","6","3","4","1") = "6"
    & skf21("6","2","7","4","6","3","5","1") = "6"
    & skf21("6","2","7","4","6","3","6","1") = "6"
    & skf21("6","2","7","4","6","3","7","1") = "6"
    & skf21("6","2","7","4","6","4","1","1") = "6"
    & skf21("6","2","7","4","6","4","2","1") = "6"
    & skf21("6","2","7","4","6","4","3","1") = "6"
    & skf21("6","2","7","4","6","4","4","1") = "6"
    & skf21("6","2","7","4","6","4","5","1") = "6"
    & skf21("6","2","7","4","6","4","6","1") = "6"
    & skf21("6","2","7","4","6","4","7","1") = "6"
    & skf21("6","2","7","4","6","5","1","1") = "6"
    & skf21("6","2","7","4","6","5","2","1") = "6"
    & skf21("6","2","7","4","6","5","3","1") = "6"
    & skf21("6","2","7","4","6","5","4","1") = "6"
    & skf21("6","2","7","4","6","5","5","1") = "6"
    & skf21("6","2","7","4","6","5","6","1") = "6"
    & skf21("6","2","7","4","6","5","7","1") = "6"
    & skf21("6","2","7","4","6","6","1","1") = "6"
    & skf21("6","2","7","4","6","6","2","1") = "6"
    & skf21("6","2","7","4","6","6","3","1") = "6"
    & skf21("6","2","7","4","6","6","4","1") = "6"
    & skf21("6","2","7","4","6","6","5","1") = "6"
    & skf21("6","2","7","4","6","6","6","1") = "6"
    & skf21("6","2","7","4","6","6","7","1") = "6"
    & skf21("6","2","7","4","6","7","1","1") = "6"
    & skf21("6","2","7","4","6","7","2","1") = "6"
    & skf21("6","2","7","4","6","7","3","1") = "6"
    & skf21("6","2","7","4","6","7","4","1") = "6"
    & skf21("6","2","7","4","6","7","5","1") = "6"
    & skf21("6","2","7","4","6","7","6","1") = "6"
    & skf21("6","2","7","4","6","7","7","1") = "6"
    & skf21("6","2","7","4","7","1","1","1") = "6"
    & skf21("6","2","7","4","7","1","2","1") = "6"
    & skf21("6","2","7","4","7","1","3","1") = "6"
    & skf21("6","2","7","4","7","1","4","1") = "6"
    & skf21("6","2","7","4","7","1","5","1") = "6"
    & skf21("6","2","7","4","7","1","6","1") = "6"
    & skf21("6","2","7","4","7","1","7","1") = "6"
    & skf21("6","2","7","4","7","2","1","1") = "6"
    & skf21("6","2","7","4","7","2","2","1") = "6"
    & skf21("6","2","7","4","7","2","3","1") = "6"
    & skf21("6","2","7","4","7","2","4","1") = "6"
    & skf21("6","2","7","4","7","2","5","1") = "6"
    & skf21("6","2","7","4","7","2","6","1") = "6"
    & skf21("6","2","7","4","7","2","7","1") = "6"
    & skf21("6","2","7","4","7","3","1","1") = "6"
    & skf21("6","2","7","4","7","3","2","1") = "6"
    & skf21("6","2","7","4","7","3","3","1") = "6"
    & skf21("6","2","7","4","7","3","4","1") = "6"
    & skf21("6","2","7","4","7","3","5","1") = "6"
    & skf21("6","2","7","4","7","3","6","1") = "6"
    & skf21("6","2","7","4","7","3","7","1") = "6"
    & skf21("6","2","7","4","7","4","1","1") = "6"
    & skf21("6","2","7","4","7","4","2","1") = "6"
    & skf21("6","2","7","4","7","4","3","1") = "6"
    & skf21("6","2","7","4","7","4","4","1") = "6"
    & skf21("6","2","7","4","7","4","5","1") = "6"
    & skf21("6","2","7","4","7","4","6","1") = "6"
    & skf21("6","2","7","4","7","4","7","1") = "6"
    & skf21("6","2","7","4","7","5","1","1") = "6"
    & skf21("6","2","7","4","7","5","2","1") = "6"
    & skf21("6","2","7","4","7","5","3","1") = "6"
    & skf21("6","2","7","4","7","5","4","1") = "6"
    & skf21("6","2","7","4","7","5","5","1") = "6"
    & skf21("6","2","7","4","7","5","6","1") = "6"
    & skf21("6","2","7","4","7","5","7","1") = "6"
    & skf21("6","2","7","4","7","6","1","1") = "6"
    & skf21("6","2","7","4","7","6","2","1") = "6"
    & skf21("6","2","7","4","7","6","3","1") = "6"
    & skf21("6","2","7","4","7","6","4","1") = "6"
    & skf21("6","2","7","4","7","6","5","1") = "6"
    & skf21("6","2","7","4","7","6","6","1") = "6"
    & skf21("6","2","7","4","7","6","7","1") = "6"
    & skf21("6","2","7","4","7","7","1","1") = "6"
    & skf21("6","2","7","4","7","7","2","1") = "6"
    & skf21("6","2","7","4","7","7","3","1") = "6"
    & skf21("6","2","7","4","7","7","4","1") = "6"
    & skf21("6","2","7","4","7","7","5","1") = "6"
    & skf21("6","2","7","4","7","7","6","1") = "6"
    & skf21("6","2","7","4","7","7","7","1") = "6"
    & skf21("6","2","7","5","1","1","1","1") = "6"
    & skf21("6","2","7","5","1","1","2","1") = "6"
    & skf21("6","2","7","5","1","1","3","1") = "6"
    & skf21("6","2","7","5","1","1","4","1") = "6"
    & skf21("6","2","7","5","1","1","5","1") = "6"
    & skf21("6","2","7","5","1","1","6","1") = "6"
    & skf21("6","2","7","5","1","1","7","1") = "6"
    & skf21("6","2","7","5","1","2","1","1") = "6"
    & skf21("6","2","7","5","1","2","2","1") = "6"
    & skf21("6","2","7","5","1","2","3","1") = "6"
    & skf21("6","2","7","5","1","2","4","1") = "6"
    & skf21("6","2","7","5","1","2","5","1") = "6"
    & skf21("6","2","7","5","1","2","6","1") = "6"
    & skf21("6","2","7","5","1","2","7","1") = "6"
    & skf21("6","2","7","5","1","3","1","1") = "6"
    & skf21("6","2","7","5","1","3","2","1") = "6"
    & skf21("6","2","7","5","1","3","3","1") = "6"
    & skf21("6","2","7","5","1","3","4","1") = "6"
    & skf21("6","2","7","5","1","3","5","1") = "6"
    & skf21("6","2","7","5","1","3","6","1") = "6"
    & skf21("6","2","7","5","1","3","7","1") = "6"
    & skf21("6","2","7","5","1","4","1","1") = "6"
    & skf21("6","2","7","5","1","4","2","1") = "6"
    & skf21("6","2","7","5","1","4","3","1") = "6"
    & skf21("6","2","7","5","1","4","4","1") = "6"
    & skf21("6","2","7","5","1","4","5","1") = "6"
    & skf21("6","2","7","5","1","4","6","1") = "6"
    & skf21("6","2","7","5","1","4","7","1") = "6"
    & skf21("6","2","7","5","1","5","1","1") = "6"
    & skf21("6","2","7","5","1","5","2","1") = "6"
    & skf21("6","2","7","5","1","5","3","1") = "6"
    & skf21("6","2","7","5","1","5","4","1") = "6"
    & skf21("6","2","7","5","1","5","5","1") = "6"
    & skf21("6","2","7","5","1","5","6","1") = "6"
    & skf21("6","2","7","5","1","5","7","1") = "6"
    & skf21("6","2","7","5","1","6","1","1") = "6"
    & skf21("6","2","7","5","1","6","2","1") = "6"
    & skf21("6","2","7","5","1","6","3","1") = "6"
    & skf21("6","2","7","5","1","6","4","1") = "6"
    & skf21("6","2","7","5","1","6","5","1") = "6"
    & skf21("6","2","7","5","1","6","6","1") = "6"
    & skf21("6","2","7","5","1","6","7","1") = "6"
    & skf21("6","2","7","5","1","7","1","1") = "6"
    & skf21("6","2","7","5","1","7","2","1") = "6"
    & skf21("6","2","7","5","1","7","3","1") = "6"
    & skf21("6","2","7","5","1","7","4","1") = "6"
    & skf21("6","2","7","5","1","7","5","1") = "6"
    & skf21("6","2","7","5","1","7","6","1") = "6"
    & skf21("6","2","7","5","1","7","7","1") = "6"
    & skf21("6","2","7","5","2","1","1","1") = "6"
    & skf21("6","2","7","5","2","1","2","1") = "6"
    & skf21("6","2","7","5","2","1","3","1") = "6"
    & skf21("6","2","7","5","2","1","4","1") = "6"
    & skf21("6","2","7","5","2","1","5","1") = "6"
    & skf21("6","2","7","5","2","1","6","1") = "6"
    & skf21("6","2","7","5","2","1","7","1") = "6"
    & skf21("6","2","7","5","2","2","1","1") = "6"
    & skf21("6","2","7","5","2","2","2","1") = "6"
    & skf21("6","2","7","5","2","2","3","1") = "6"
    & skf21("6","2","7","5","2","2","4","1") = "6"
    & skf21("6","2","7","5","2","2","5","1") = "6"
    & skf21("6","2","7","5","2","2","6","1") = "6"
    & skf21("6","2","7","5","2","2","7","1") = "6"
    & skf21("6","2","7","5","2","3","1","1") = "6"
    & skf21("6","2","7","5","2","3","2","1") = "6"
    & skf21("6","2","7","5","2","3","3","1") = "6"
    & skf21("6","2","7","5","2","3","4","1") = "6"
    & skf21("6","2","7","5","2","3","5","1") = "6"
    & skf21("6","2","7","5","2","3","6","1") = "6"
    & skf21("6","2","7","5","2","3","7","1") = "6"
    & skf21("6","2","7","5","2","4","1","1") = "6"
    & skf21("6","2","7","5","2","4","2","1") = "6"
    & skf21("6","2","7","5","2","4","3","1") = "6"
    & skf21("6","2","7","5","2","4","4","1") = "6"
    & skf21("6","2","7","5","2","4","5","1") = "6"
    & skf21("6","2","7","5","2","4","6","1") = "6"
    & skf21("6","2","7","5","2","4","7","1") = "6"
    & skf21("6","2","7","5","2","5","1","1") = "6"
    & skf21("6","2","7","5","2","5","2","1") = "6"
    & skf21("6","2","7","5","2","5","3","1") = "6"
    & skf21("6","2","7","5","2","5","4","1") = "6"
    & skf21("6","2","7","5","2","5","5","1") = "6"
    & skf21("6","2","7","5","2","5","6","1") = "6"
    & skf21("6","2","7","5","2","5","7","1") = "6"
    & skf21("6","2","7","5","2","6","1","1") = "6"
    & skf21("6","2","7","5","2","6","2","1") = "6"
    & skf21("6","2","7","5","2","6","3","1") = "6"
    & skf21("6","2","7","5","2","6","4","1") = "6"
    & skf21("6","2","7","5","2","6","5","1") = "6"
    & skf21("6","2","7","5","2","6","6","1") = "6"
    & skf21("6","2","7","5","2","6","7","1") = "6"
    & skf21("6","2","7","5","2","7","1","1") = "6"
    & skf21("6","2","7","5","2","7","2","1") = "6"
    & skf21("6","2","7","5","2","7","3","1") = "6"
    & skf21("6","2","7","5","2","7","4","1") = "6"
    & skf21("6","2","7","5","2","7","5","1") = "6"
    & skf21("6","2","7","5","2","7","6","1") = "6"
    & skf21("6","2","7","5","2","7","7","1") = "6"
    & skf21("6","2","7","5","3","1","1","1") = "6"
    & skf21("6","2","7","5","3","1","2","1") = "6"
    & skf21("6","2","7","5","3","1","3","1") = "6"
    & skf21("6","2","7","5","3","1","4","1") = "6"
    & skf21("6","2","7","5","3","1","5","1") = "6"
    & skf21("6","2","7","5","3","1","6","1") = "6"
    & skf21("6","2","7","5","3","1","7","1") = "6"
    & skf21("6","2","7","5","3","2","1","1") = "6"
    & skf21("6","2","7","5","3","2","2","1") = "6"
    & skf21("6","2","7","5","3","2","3","1") = "6"
    & skf21("6","2","7","5","3","2","4","1") = "6"
    & skf21("6","2","7","5","3","2","5","1") = "6"
    & skf21("6","2","7","5","3","2","6","1") = "6"
    & skf21("6","2","7","5","3","2","7","1") = "6"
    & skf21("6","2","7","5","3","3","1","1") = "6"
    & skf21("6","2","7","5","3","3","2","1") = "6"
    & skf21("6","2","7","5","3","3","3","1") = "6"
    & skf21("6","2","7","5","3","3","4","1") = "6"
    & skf21("6","2","7","5","3","3","5","1") = "6"
    & skf21("6","2","7","5","3","3","6","1") = "6"
    & skf21("6","2","7","5","3","3","7","1") = "6"
    & skf21("6","2","7","5","3","4","1","1") = "6"
    & skf21("6","2","7","5","3","4","2","1") = "6"
    & skf21("6","2","7","5","3","4","3","1") = "6"
    & skf21("6","2","7","5","3","4","4","1") = "6"
    & skf21("6","2","7","5","3","4","5","1") = "6"
    & skf21("6","2","7","5","3","4","6","1") = "6"
    & skf21("6","2","7","5","3","4","7","1") = "6"
    & skf21("6","2","7","5","3","5","1","1") = "6"
    & skf21("6","2","7","5","3","5","2","1") = "6"
    & skf21("6","2","7","5","3","5","3","1") = "6"
    & skf21("6","2","7","5","3","5","4","1") = "6"
    & skf21("6","2","7","5","3","5","5","1") = "6"
    & skf21("6","2","7","5","3","5","6","1") = "6"
    & skf21("6","2","7","5","3","5","7","1") = "6"
    & skf21("6","2","7","5","3","6","1","1") = "6"
    & skf21("6","2","7","5","3","6","2","1") = "6"
    & skf21("6","2","7","5","3","6","3","1") = "6"
    & skf21("6","2","7","5","3","6","4","1") = "6"
    & skf21("6","2","7","5","3","6","5","1") = "6"
    & skf21("6","2","7","5","3","6","6","1") = "6"
    & skf21("6","2","7","5","3","6","7","1") = "6"
    & skf21("6","2","7","5","3","7","1","1") = "6"
    & skf21("6","2","7","5","3","7","2","1") = "6"
    & skf21("6","2","7","5","3","7","3","1") = "6"
    & skf21("6","2","7","5","3","7","4","1") = "6"
    & skf21("6","2","7","5","3","7","5","1") = "6"
    & skf21("6","2","7","5","3","7","6","1") = "6"
    & skf21("6","2","7","5","3","7","7","1") = "6"
    & skf21("6","2","7","5","4","1","1","1") = "6"
    & skf21("6","2","7","5","4","1","2","1") = "6"
    & skf21("6","2","7","5","4","1","3","1") = "6"
    & skf21("6","2","7","5","4","1","4","1") = "6"
    & skf21("6","2","7","5","4","1","5","1") = "6"
    & skf21("6","2","7","5","4","1","6","1") = "6"
    & skf21("6","2","7","5","4","1","7","1") = "6"
    & skf21("6","2","7","5","4","2","1","1") = "6"
    & skf21("6","2","7","5","4","2","2","1") = "6"
    & skf21("6","2","7","5","4","2","3","1") = "6"
    & skf21("6","2","7","5","4","2","4","1") = "6"
    & skf21("6","2","7","5","4","2","5","1") = "6"
    & skf21("6","2","7","5","4","2","6","1") = "6"
    & skf21("6","2","7","5","4","2","7","1") = "6"
    & skf21("6","2","7","5","4","3","1","1") = "6"
    & skf21("6","2","7","5","4","3","2","1") = "6"
    & skf21("6","2","7","5","4","3","3","1") = "6"
    & skf21("6","2","7","5","4","3","4","1") = "6"
    & skf21("6","2","7","5","4","3","5","1") = "6"
    & skf21("6","2","7","5","4","3","6","1") = "6"
    & skf21("6","2","7","5","4","3","7","1") = "6"
    & skf21("6","2","7","5","4","4","1","1") = "6"
    & skf21("6","2","7","5","4","4","2","1") = "6"
    & skf21("6","2","7","5","4","4","3","1") = "6"
    & skf21("6","2","7","5","4","4","4","1") = "6"
    & skf21("6","2","7","5","4","4","5","1") = "6"
    & skf21("6","2","7","5","4","4","6","1") = "6"
    & skf21("6","2","7","5","4","4","7","1") = "6"
    & skf21("6","2","7","5","4","5","1","1") = "6"
    & skf21("6","2","7","5","4","5","2","1") = "6"
    & skf21("6","2","7","5","4","5","3","1") = "6"
    & skf21("6","2","7","5","4","5","4","1") = "6"
    & skf21("6","2","7","5","4","5","5","1") = "6"
    & skf21("6","2","7","5","4","5","6","1") = "6"
    & skf21("6","2","7","5","4","5","7","1") = "6"
    & skf21("6","2","7","5","4","6","1","1") = "6"
    & skf21("6","2","7","5","4","6","2","1") = "6"
    & skf21("6","2","7","5","4","6","3","1") = "6"
    & skf21("6","2","7","5","4","6","4","1") = "6"
    & skf21("6","2","7","5","4","6","5","1") = "6"
    & skf21("6","2","7","5","4","6","6","1") = "6"
    & skf21("6","2","7","5","4","6","7","1") = "6"
    & skf21("6","2","7","5","4","7","1","1") = "6"
    & skf21("6","2","7","5","4","7","2","1") = "6"
    & skf21("6","2","7","5","4","7","3","1") = "6"
    & skf21("6","2","7","5","4","7","4","1") = "6"
    & skf21("6","2","7","5","4","7","5","1") = "6"
    & skf21("6","2","7","5","4","7","6","1") = "6"
    & skf21("6","2","7","5","4","7","7","1") = "6"
    & skf21("6","2","7","5","5","1","1","1") = "6"
    & skf21("6","2","7","5","5","1","2","1") = "6"
    & skf21("6","2","7","5","5","1","3","1") = "6"
    & skf21("6","2","7","5","5","1","4","1") = "6"
    & skf21("6","2","7","5","5","1","5","1") = "6"
    & skf21("6","2","7","5","5","1","6","1") = "6"
    & skf21("6","2","7","5","5","1","7","1") = "6"
    & skf21("6","2","7","5","5","2","1","1") = "6"
    & skf21("6","2","7","5","5","2","2","1") = "6"
    & skf21("6","2","7","5","5","2","3","1") = "6"
    & skf21("6","2","7","5","5","2","4","1") = "6"
    & skf21("6","2","7","5","5","2","5","1") = "6"
    & skf21("6","2","7","5","5","2","6","1") = "6"
    & skf21("6","2","7","5","5","2","7","1") = "6"
    & skf21("6","2","7","5","5","3","1","1") = "6"
    & skf21("6","2","7","5","5","3","2","1") = "6"
    & skf21("6","2","7","5","5","3","3","1") = "6"
    & skf21("6","2","7","5","5","3","4","1") = "6"
    & skf21("6","2","7","5","5","3","5","1") = "6"
    & skf21("6","2","7","5","5","3","6","1") = "6"
    & skf21("6","2","7","5","5","3","7","1") = "6"
    & skf21("6","2","7","5","5","4","1","1") = "6"
    & skf21("6","2","7","5","5","4","2","1") = "6"
    & skf21("6","2","7","5","5","4","3","1") = "6"
    & skf21("6","2","7","5","5","4","4","1") = "6"
    & skf21("6","2","7","5","5","4","5","1") = "6"
    & skf21("6","2","7","5","5","4","6","1") = "6"
    & skf21("6","2","7","5","5","4","7","1") = "6"
    & skf21("6","2","7","5","5","5","1","1") = "6"
    & skf21("6","2","7","5","5","5","2","1") = "6"
    & skf21("6","2","7","5","5","5","3","1") = "6"
    & skf21("6","2","7","5","5","5","4","1") = "6"
    & skf21("6","2","7","5","5","5","5","1") = "6"
    & skf21("6","2","7","5","5","5","6","1") = "6"
    & skf21("6","2","7","5","5","5","7","1") = "6"
    & skf21("6","2","7","5","5","6","1","1") = "6"
    & skf21("6","2","7","5","5","6","2","1") = "6"
    & skf21("6","2","7","5","5","6","3","1") = "6"
    & skf21("6","2","7","5","5","6","4","1") = "6"
    & skf21("6","2","7","5","5","6","5","1") = "6"
    & skf21("6","2","7","5","5","6","6","1") = "6"
    & skf21("6","2","7","5","5","6","7","1") = "6"
    & skf21("6","2","7","5","5","7","1","1") = "6"
    & skf21("6","2","7","5","5","7","2","1") = "6"
    & skf21("6","2","7","5","5","7","3","1") = "6"
    & skf21("6","2","7","5","5","7","4","1") = "6"
    & skf21("6","2","7","5","5","7","5","1") = "6"
    & skf21("6","2","7","5","5","7","6","1") = "6"
    & skf21("6","2","7","5","5","7","7","1") = "6"
    & skf21("6","2","7","5","6","1","1","1") = "6"
    & skf21("6","2","7","5","6","1","2","1") = "6"
    & skf21("6","2","7","5","6","1","3","1") = "6"
    & skf21("6","2","7","5","6","1","4","1") = "6"
    & skf21("6","2","7","5","6","1","5","1") = "6"
    & skf21("6","2","7","5","6","1","6","1") = "6"
    & skf21("6","2","7","5","6","1","7","1") = "6"
    & skf21("6","2","7","5","6","2","1","1") = "6"
    & skf21("6","2","7","5","6","2","2","1") = "6"
    & skf21("6","2","7","5","6","2","3","1") = "6"
    & skf21("6","2","7","5","6","2","4","1") = "6"
    & skf21("6","2","7","5","6","2","5","1") = "6"
    & skf21("6","2","7","5","6","2","6","1") = "6"
    & skf21("6","2","7","5","6","2","7","1") = "6"
    & skf21("6","2","7","5","6","3","1","1") = "6"
    & skf21("6","2","7","5","6","3","2","1") = "6"
    & skf21("6","2","7","5","6","3","3","1") = "6"
    & skf21("6","2","7","5","6","3","4","1") = "6"
    & skf21("6","2","7","5","6","3","5","1") = "6"
    & skf21("6","2","7","5","6","3","6","1") = "6"
    & skf21("6","2","7","5","6","3","7","1") = "6"
    & skf21("6","2","7","5","6","4","1","1") = "6"
    & skf21("6","2","7","5","6","4","2","1") = "6"
    & skf21("6","2","7","5","6","4","3","1") = "6"
    & skf21("6","2","7","5","6","4","4","1") = "6"
    & skf21("6","2","7","5","6","4","5","1") = "6"
    & skf21("6","2","7","5","6","4","6","1") = "6"
    & skf21("6","2","7","5","6","4","7","1") = "6"
    & skf21("6","2","7","5","6","5","1","1") = "6"
    & skf21("6","2","7","5","6","5","2","1") = "6"
    & skf21("6","2","7","5","6","5","3","1") = "6"
    & skf21("6","2","7","5","6","5","4","1") = "6"
    & skf21("6","2","7","5","6","5","5","1") = "6"
    & skf21("6","2","7","5","6","5","6","1") = "6"
    & skf21("6","2","7","5","6","5","7","1") = "6"
    & skf21("6","2","7","5","6","6","1","1") = "6"
    & skf21("6","2","7","5","6","6","2","1") = "6"
    & skf21("6","2","7","5","6","6","3","1") = "6"
    & skf21("6","2","7","5","6","6","4","1") = "6"
    & skf21("6","2","7","5","6","6","5","1") = "6"
    & skf21("6","2","7","5","6","6","6","1") = "6"
    & skf21("6","2","7","5","6","6","7","1") = "6"
    & skf21("6","2","7","5","6","7","1","1") = "6"
    & skf21("6","2","7","5","6","7","2","1") = "6"
    & skf21("6","2","7","5","6","7","3","1") = "6"
    & skf21("6","2","7","5","6","7","4","1") = "6"
    & skf21("6","2","7","5","6","7","5","1") = "6"
    & skf21("6","2","7","5","6","7","6","1") = "6"
    & skf21("6","2","7","5","6","7","7","1") = "6"
    & skf21("6","2","7","5","7","1","1","1") = "6"
    & skf21("6","2","7","5","7","1","2","1") = "6"
    & skf21("6","2","7","5","7","1","3","1") = "6"
    & skf21("6","2","7","5","7","1","4","1") = "6"
    & skf21("6","2","7","5","7","1","5","1") = "6"
    & skf21("6","2","7","5","7","1","6","1") = "6"
    & skf21("6","2","7","5","7","1","7","1") = "6"
    & skf21("6","2","7","5","7","2","1","1") = "6"
    & skf21("6","2","7","5","7","2","2","1") = "6"
    & skf21("6","2","7","5","7","2","3","1") = "6"
    & skf21("6","2","7","5","7","2","4","1") = "6"
    & skf21("6","2","7","5","7","2","5","1") = "6"
    & skf21("6","2","7","5","7","2","6","1") = "6"
    & skf21("6","2","7","5","7","2","7","1") = "6"
    & skf21("6","2","7","5","7","3","1","1") = "6"
    & skf21("6","2","7","5","7","3","2","1") = "6"
    & skf21("6","2","7","5","7","3","3","1") = "6"
    & skf21("6","2","7","5","7","3","4","1") = "6"
    & skf21("6","2","7","5","7","3","5","1") = "6"
    & skf21("6","2","7","5","7","3","6","1") = "6"
    & skf21("6","2","7","5","7","3","7","1") = "6"
    & skf21("6","2","7","5","7","4","1","1") = "6"
    & skf21("6","2","7","5","7","4","2","1") = "6"
    & skf21("6","2","7","5","7","4","3","1") = "6"
    & skf21("6","2","7","5","7","4","4","1") = "6"
    & skf21("6","2","7","5","7","4","5","1") = "6"
    & skf21("6","2","7","5","7","4","6","1") = "6"
    & skf21("6","2","7","5","7","4","7","1") = "6"
    & skf21("6","2","7","5","7","5","1","1") = "6"
    & skf21("6","2","7","5","7","5","2","1") = "6"
    & skf21("6","2","7","5","7","5","3","1") = "6"
    & skf21("6","2","7","5","7","5","4","1") = "6"
    & skf21("6","2","7","5","7","5","5","1") = "6"
    & skf21("6","2","7","5","7","5","6","1") = "6"
    & skf21("6","2","7","5","7","5","7","1") = "6"
    & skf21("6","2","7","5","7","6","1","1") = "6"
    & skf21("6","2","7","5","7","6","2","1") = "6"
    & skf21("6","2","7","5","7","6","3","1") = "6"
    & skf21("6","2","7","5","7","6","4","1") = "6"
    & skf21("6","2","7","5","7","6","5","1") = "6"
    & skf21("6","2","7","5","7","6","6","1") = "6"
    & skf21("6","2","7","5","7","6","7","1") = "6"
    & skf21("6","2","7","5","7","7","1","1") = "6"
    & skf21("6","2","7","5","7","7","2","1") = "6"
    & skf21("6","2","7","5","7","7","3","1") = "6"
    & skf21("6","2","7","5","7","7","4","1") = "6"
    & skf21("6","2","7","5","7","7","5","1") = "6"
    & skf21("6","2","7","5","7","7","6","1") = "6"
    & skf21("6","2","7","5","7","7","7","1") = "6"
    & skf21("6","2","7","6","1","1","1","1") = "6"
    & skf21("6","2","7","6","1","1","2","1") = "6"
    & skf21("6","2","7","6","1","1","3","1") = "6"
    & skf21("6","2","7","6","1","1","4","1") = "6"
    & skf21("6","2","7","6","1","1","5","1") = "6"
    & skf21("6","2","7","6","1","1","6","1") = "6"
    & skf21("6","2","7","6","1","1","7","1") = "6"
    & skf21("6","2","7","6","1","2","1","1") = "6"
    & skf21("6","2","7","6","1","2","2","1") = "6"
    & skf21("6","2","7","6","1","2","3","1") = "6"
    & skf21("6","2","7","6","1","2","4","1") = "6"
    & skf21("6","2","7","6","1","2","5","1") = "6"
    & skf21("6","2","7","6","1","2","6","1") = "6"
    & skf21("6","2","7","6","1","2","7","1") = "6"
    & skf21("6","2","7","6","1","3","1","1") = "6"
    & skf21("6","2","7","6","1","3","2","1") = "6"
    & skf21("6","2","7","6","1","3","3","1") = "6"
    & skf21("6","2","7","6","1","3","4","1") = "6"
    & skf21("6","2","7","6","1","3","5","1") = "6"
    & skf21("6","2","7","6","1","3","6","1") = "6"
    & skf21("6","2","7","6","1","3","7","1") = "6"
    & skf21("6","2","7","6","1","4","1","1") = "6"
    & skf21("6","2","7","6","1","4","2","1") = "6"
    & skf21("6","2","7","6","1","4","3","1") = "6"
    & skf21("6","2","7","6","1","4","4","1") = "6"
    & skf21("6","2","7","6","1","4","5","1") = "6"
    & skf21("6","2","7","6","1","4","6","1") = "6"
    & skf21("6","2","7","6","1","4","7","1") = "6"
    & skf21("6","2","7","6","1","5","1","1") = "6"
    & skf21("6","2","7","6","1","5","2","1") = "6"
    & skf21("6","2","7","6","1","5","3","1") = "6"
    & skf21("6","2","7","6","1","5","4","1") = "6"
    & skf21("6","2","7","6","1","5","5","1") = "6"
    & skf21("6","2","7","6","1","5","6","1") = "6"
    & skf21("6","2","7","6","1","5","7","1") = "6"
    & skf21("6","2","7","6","1","6","1","1") = "6"
    & skf21("6","2","7","6","1","6","2","1") = "6"
    & skf21("6","2","7","6","1","6","3","1") = "6"
    & skf21("6","2","7","6","1","6","4","1") = "6"
    & skf21("6","2","7","6","1","6","5","1") = "6"
    & skf21("6","2","7","6","1","6","6","1") = "6"
    & skf21("6","2","7","6","1","6","7","1") = "6"
    & skf21("6","2","7","6","1","7","1","1") = "6"
    & skf21("6","2","7","6","1","7","2","1") = "6"
    & skf21("6","2","7","6","1","7","3","1") = "6"
    & skf21("6","2","7","6","1","7","4","1") = "6"
    & skf21("6","2","7","6","1","7","5","1") = "6"
    & skf21("6","2","7","6","1","7","6","1") = "6"
    & skf21("6","2","7","6","1","7","7","1") = "6"
    & skf21("6","2","7","6","2","1","1","1") = "6"
    & skf21("6","2","7","6","2","1","2","1") = "6"
    & skf21("6","2","7","6","2","1","3","1") = "6"
    & skf21("6","2","7","6","2","1","4","1") = "6"
    & skf21("6","2","7","6","2","1","5","1") = "6"
    & skf21("6","2","7","6","2","1","6","1") = "6"
    & skf21("6","2","7","6","2","1","7","1") = "6"
    & skf21("6","2","7","6","2","2","1","1") = "6"
    & skf21("6","2","7","6","2","2","2","1") = "6"
    & skf21("6","2","7","6","2","2","3","1") = "6"
    & skf21("6","2","7","6","2","2","4","1") = "6"
    & skf21("6","2","7","6","2","2","5","1") = "6"
    & skf21("6","2","7","6","2","2","6","1") = "6"
    & skf21("6","2","7","6","2","2","7","1") = "6"
    & skf21("6","2","7","6","2","3","1","1") = "6"
    & skf21("6","2","7","6","2","3","2","1") = "6"
    & skf21("6","2","7","6","2","3","3","1") = "6"
    & skf21("6","2","7","6","2","3","4","1") = "6"
    & skf21("6","2","7","6","2","3","5","1") = "6"
    & skf21("6","2","7","6","2","3","6","1") = "6"
    & skf21("6","2","7","6","2","3","7","1") = "6"
    & skf21("6","2","7","6","2","4","1","1") = "6"
    & skf21("6","2","7","6","2","4","2","1") = "6"
    & skf21("6","2","7","6","2","4","3","1") = "6"
    & skf21("6","2","7","6","2","4","4","1") = "6"
    & skf21("6","2","7","6","2","4","5","1") = "6"
    & skf21("6","2","7","6","2","4","6","1") = "6"
    & skf21("6","2","7","6","2","4","7","1") = "6"
    & skf21("6","2","7","6","2","5","1","1") = "6"
    & skf21("6","2","7","6","2","5","2","1") = "6"
    & skf21("6","2","7","6","2","5","3","1") = "6"
    & skf21("6","2","7","6","2","5","4","1") = "6"
    & skf21("6","2","7","6","2","5","5","1") = "6"
    & skf21("6","2","7","6","2","5","6","1") = "6"
    & skf21("6","2","7","6","2","5","7","1") = "6"
    & skf21("6","2","7","6","2","6","1","1") = "6"
    & skf21("6","2","7","6","2","6","2","1") = "6"
    & skf21("6","2","7","6","2","6","3","1") = "6"
    & skf21("6","2","7","6","2","6","4","1") = "6"
    & skf21("6","2","7","6","2","6","5","1") = "6"
    & skf21("6","2","7","6","2","6","6","1") = "6"
    & skf21("6","2","7","6","2","6","7","1") = "6"
    & skf21("6","2","7","6","2","7","1","1") = "6"
    & skf21("6","2","7","6","2","7","2","1") = "6"
    & skf21("6","2","7","6","2","7","3","1") = "6"
    & skf21("6","2","7","6","2","7","4","1") = "6"
    & skf21("6","2","7","6","2","7","5","1") = "6"
    & skf21("6","2","7","6","2","7","6","1") = "6"
    & skf21("6","2","7","6","2","7","7","1") = "6"
    & skf21("6","2","7","6","3","1","1","1") = "6"
    & skf21("6","2","7","6","3","1","2","1") = "6"
    & skf21("6","2","7","6","3","1","3","1") = "6"
    & skf21("6","2","7","6","3","1","4","1") = "6"
    & skf21("6","2","7","6","3","1","5","1") = "6"
    & skf21("6","2","7","6","3","1","6","1") = "6"
    & skf21("6","2","7","6","3","1","7","1") = "6"
    & skf21("6","2","7","6","3","2","1","1") = "6"
    & skf21("6","2","7","6","3","2","2","1") = "6"
    & skf21("6","2","7","6","3","2","3","1") = "6"
    & skf21("6","2","7","6","3","2","4","1") = "6"
    & skf21("6","2","7","6","3","2","5","1") = "6"
    & skf21("6","2","7","6","3","2","6","1") = "6"
    & skf21("6","2","7","6","3","2","7","1") = "6"
    & skf21("6","2","7","6","3","3","1","1") = "6"
    & skf21("6","2","7","6","3","3","2","1") = "6"
    & skf21("6","2","7","6","3","3","3","1") = "6"
    & skf21("6","2","7","6","3","3","4","1") = "6"
    & skf21("6","2","7","6","3","3","5","1") = "6"
    & skf21("6","2","7","6","3","3","6","1") = "6"
    & skf21("6","2","7","6","3","3","7","1") = "6"
    & skf21("6","2","7","6","3","4","1","1") = "6"
    & skf21("6","2","7","6","3","4","2","1") = "6"
    & skf21("6","2","7","6","3","4","3","1") = "6"
    & skf21("6","2","7","6","3","4","4","1") = "6"
    & skf21("6","2","7","6","3","4","5","1") = "6"
    & skf21("6","2","7","6","3","4","6","1") = "6"
    & skf21("6","2","7","6","3","4","7","1") = "6"
    & skf21("6","2","7","6","3","5","1","1") = "6"
    & skf21("6","2","7","6","3","5","2","1") = "6"
    & skf21("6","2","7","6","3","5","3","1") = "6"
    & skf21("6","2","7","6","3","5","4","1") = "6"
    & skf21("6","2","7","6","3","5","5","1") = "6"
    & skf21("6","2","7","6","3","5","6","1") = "6"
    & skf21("6","2","7","6","3","5","7","1") = "6"
    & skf21("6","2","7","6","3","6","1","1") = "6"
    & skf21("6","2","7","6","3","6","2","1") = "6"
    & skf21("6","2","7","6","3","6","3","1") = "6"
    & skf21("6","2","7","6","3","6","4","1") = "6"
    & skf21("6","2","7","6","3","6","5","1") = "6"
    & skf21("6","2","7","6","3","6","6","1") = "6"
    & skf21("6","2","7","6","3","6","7","1") = "6"
    & skf21("6","2","7","6","3","7","1","1") = "6"
    & skf21("6","2","7","6","3","7","2","1") = "6"
    & skf21("6","2","7","6","3","7","3","1") = "6"
    & skf21("6","2","7","6","3","7","4","1") = "6"
    & skf21("6","2","7","6","3","7","5","1") = "6"
    & skf21("6","2","7","6","3","7","6","1") = "6"
    & skf21("6","2","7","6","3","7","7","1") = "6"
    & skf21("6","2","7","6","4","1","1","1") = "6"
    & skf21("6","2","7","6","4","1","2","1") = "6"
    & skf21("6","2","7","6","4","1","3","1") = "6"
    & skf21("6","2","7","6","4","1","4","1") = "6"
    & skf21("6","2","7","6","4","1","5","1") = "6"
    & skf21("6","2","7","6","4","1","6","1") = "6"
    & skf21("6","2","7","6","4","1","7","1") = "6"
    & skf21("6","2","7","6","4","2","1","1") = "6"
    & skf21("6","2","7","6","4","2","2","1") = "6"
    & skf21("6","2","7","6","4","2","3","1") = "6"
    & skf21("6","2","7","6","4","2","4","1") = "6"
    & skf21("6","2","7","6","4","2","5","1") = "6"
    & skf21("6","2","7","6","4","2","6","1") = "6"
    & skf21("6","2","7","6","4","2","7","1") = "6"
    & skf21("6","2","7","6","4","3","1","1") = "6"
    & skf21("6","2","7","6","4","3","2","1") = "6"
    & skf21("6","2","7","6","4","3","3","1") = "6"
    & skf21("6","2","7","6","4","3","4","1") = "6"
    & skf21("6","2","7","6","4","3","5","1") = "6"
    & skf21("6","2","7","6","4","3","6","1") = "6"
    & skf21("6","2","7","6","4","3","7","1") = "6"
    & skf21("6","2","7","6","4","4","1","1") = "6"
    & skf21("6","2","7","6","4","4","2","1") = "6"
    & skf21("6","2","7","6","4","4","3","1") = "6"
    & skf21("6","2","7","6","4","4","4","1") = "6"
    & skf21("6","2","7","6","4","4","5","1") = "6"
    & skf21("6","2","7","6","4","4","6","1") = "6"
    & skf21("6","2","7","6","4","4","7","1") = "6"
    & skf21("6","2","7","6","4","5","1","1") = "6"
    & skf21("6","2","7","6","4","5","2","1") = "6"
    & skf21("6","2","7","6","4","5","3","1") = "6"
    & skf21("6","2","7","6","4","5","4","1") = "6"
    & skf21("6","2","7","6","4","5","5","1") = "6"
    & skf21("6","2","7","6","4","5","6","1") = "6"
    & skf21("6","2","7","6","4","5","7","1") = "6"
    & skf21("6","2","7","6","4","6","1","1") = "6"
    & skf21("6","2","7","6","4","6","2","1") = "6"
    & skf21("6","2","7","6","4","6","3","1") = "6"
    & skf21("6","2","7","6","4","6","4","1") = "6"
    & skf21("6","2","7","6","4","6","5","1") = "6"
    & skf21("6","2","7","6","4","6","6","1") = "6"
    & skf21("6","2","7","6","4","6","7","1") = "6"
    & skf21("6","2","7","6","4","7","1","1") = "6"
    & skf21("6","2","7","6","4","7","2","1") = "6"
    & skf21("6","2","7","6","4","7","3","1") = "6"
    & skf21("6","2","7","6","4","7","4","1") = "6"
    & skf21("6","2","7","6","4","7","5","1") = "6"
    & skf21("6","2","7","6","4","7","6","1") = "6"
    & skf21("6","2","7","6","4","7","7","1") = "6"
    & skf21("6","2","7","6","5","1","1","1") = "6"
    & skf21("6","2","7","6","5","1","2","1") = "6"
    & skf21("6","2","7","6","5","1","3","1") = "6"
    & skf21("6","2","7","6","5","1","4","1") = "6"
    & skf21("6","2","7","6","5","1","5","1") = "6"
    & skf21("6","2","7","6","5","1","6","1") = "6"
    & skf21("6","2","7","6","5","1","7","1") = "6"
    & skf21("6","2","7","6","5","2","1","1") = "6"
    & skf21("6","2","7","6","5","2","2","1") = "6"
    & skf21("6","2","7","6","5","2","3","1") = "6"
    & skf21("6","2","7","6","5","2","4","1") = "6"
    & skf21("6","2","7","6","5","2","5","1") = "6"
    & skf21("6","2","7","6","5","2","6","1") = "6"
    & skf21("6","2","7","6","5","2","7","1") = "6"
    & skf21("6","2","7","6","5","3","1","1") = "6"
    & skf21("6","2","7","6","5","3","2","1") = "6"
    & skf21("6","2","7","6","5","3","3","1") = "6"
    & skf21("6","2","7","6","5","3","4","1") = "6"
    & skf21("6","2","7","6","5","3","5","1") = "6"
    & skf21("6","2","7","6","5","3","6","1") = "6"
    & skf21("6","2","7","6","5","3","7","1") = "6"
    & skf21("6","2","7","6","5","4","1","1") = "6"
    & skf21("6","2","7","6","5","4","2","1") = "6"
    & skf21("6","2","7","6","5","4","3","1") = "6"
    & skf21("6","2","7","6","5","4","4","1") = "6"
    & skf21("6","2","7","6","5","4","5","1") = "6"
    & skf21("6","2","7","6","5","4","6","1") = "6"
    & skf21("6","2","7","6","5","4","7","1") = "6"
    & skf21("6","2","7","6","5","5","1","1") = "6"
    & skf21("6","2","7","6","5","5","2","1") = "6"
    & skf21("6","2","7","6","5","5","3","1") = "6"
    & skf21("6","2","7","6","5","5","4","1") = "6"
    & skf21("6","2","7","6","5","5","5","1") = "6"
    & skf21("6","2","7","6","5","5","6","1") = "6"
    & skf21("6","2","7","6","5","5","7","1") = "6"
    & skf21("6","2","7","6","5","6","1","1") = "6"
    & skf21("6","2","7","6","5","6","2","1") = "6"
    & skf21("6","2","7","6","5","6","3","1") = "6"
    & skf21("6","2","7","6","5","6","4","1") = "6"
    & skf21("6","2","7","6","5","6","5","1") = "6"
    & skf21("6","2","7","6","5","6","6","1") = "6"
    & skf21("6","2","7","6","5","6","7","1") = "6"
    & skf21("6","2","7","6","5","7","1","1") = "6"
    & skf21("6","2","7","6","5","7","2","1") = "6"
    & skf21("6","2","7","6","5","7","3","1") = "6"
    & skf21("6","2","7","6","5","7","4","1") = "6"
    & skf21("6","2","7","6","5","7","5","1") = "6"
    & skf21("6","2","7","6","5","7","6","1") = "6"
    & skf21("6","2","7","6","5","7","7","1") = "6"
    & skf21("6","2","7","6","6","1","1","1") = "6"
    & skf21("6","2","7","6","6","1","2","1") = "6"
    & skf21("6","2","7","6","6","1","3","1") = "6"
    & skf21("6","2","7","6","6","1","4","1") = "6"
    & skf21("6","2","7","6","6","1","5","1") = "6"
    & skf21("6","2","7","6","6","1","6","1") = "6"
    & skf21("6","2","7","6","6","1","7","1") = "6"
    & skf21("6","2","7","6","6","2","1","1") = "6"
    & skf21("6","2","7","6","6","2","2","1") = "6"
    & skf21("6","2","7","6","6","2","3","1") = "6"
    & skf21("6","2","7","6","6","2","4","1") = "6"
    & skf21("6","2","7","6","6","2","5","1") = "6"
    & skf21("6","2","7","6","6","2","6","1") = "6"
    & skf21("6","2","7","6","6","2","7","1") = "6"
    & skf21("6","2","7","6","6","3","1","1") = "6"
    & skf21("6","2","7","6","6","3","2","1") = "6"
    & skf21("6","2","7","6","6","3","3","1") = "6"
    & skf21("6","2","7","6","6","3","4","1") = "6"
    & skf21("6","2","7","6","6","3","5","1") = "6"
    & skf21("6","2","7","6","6","3","6","1") = "6"
    & skf21("6","2","7","6","6","3","7","1") = "6"
    & skf21("6","2","7","6","6","4","1","1") = "6"
    & skf21("6","2","7","6","6","4","2","1") = "6"
    & skf21("6","2","7","6","6","4","3","1") = "6"
    & skf21("6","2","7","6","6","4","4","1") = "6"
    & skf21("6","2","7","6","6","4","5","1") = "6"
    & skf21("6","2","7","6","6","4","6","1") = "6"
    & skf21("6","2","7","6","6","4","7","1") = "6"
    & skf21("6","2","7","6","6","5","1","1") = "6"
    & skf21("6","2","7","6","6","5","2","1") = "6"
    & skf21("6","2","7","6","6","5","3","1") = "6"
    & skf21("6","2","7","6","6","5","4","1") = "6"
    & skf21("6","2","7","6","6","5","5","1") = "6"
    & skf21("6","2","7","6","6","5","6","1") = "6"
    & skf21("6","2","7","6","6","5","7","1") = "6"
    & skf21("6","2","7","6","6","6","1","1") = "6"
    & skf21("6","2","7","6","6","6","2","1") = "6"
    & skf21("6","2","7","6","6","6","3","1") = "6"
    & skf21("6","2","7","6","6","6","4","1") = "6"
    & skf21("6","2","7","6","6","6","5","1") = "6"
    & skf21("6","2","7","6","6","6","6","1") = "6"
    & skf21("6","2","7","6","6","6","7","1") = "6"
    & skf21("6","2","7","6","6","7","1","1") = "6"
    & skf21("6","2","7","6","6","7","2","1") = "6"
    & skf21("6","2","7","6","6","7","3","1") = "6"
    & skf21("6","2","7","6","6","7","4","1") = "6"
    & skf21("6","2","7","6","6","7","5","1") = "6"
    & skf21("6","2","7","6","6","7","6","1") = "6"
    & skf21("6","2","7","6","6","7","7","1") = "6"
    & skf21("6","2","7","6","7","1","1","1") = "6"
    & skf21("6","2","7","6","7","1","2","1") = "6"
    & skf21("6","2","7","6","7","1","3","1") = "6"
    & skf21("6","2","7","6","7","1","4","1") = "6"
    & skf21("6","2","7","6","7","1","5","1") = "6"
    & skf21("6","2","7","6","7","1","6","1") = "6"
    & skf21("6","2","7","6","7","1","7","1") = "6"
    & skf21("6","2","7","6","7","2","1","1") = "6"
    & skf21("6","2","7","6","7","2","2","1") = "6"
    & skf21("6","2","7","6","7","2","3","1") = "6"
    & skf21("6","2","7","6","7","2","4","1") = "6"
    & skf21("6","2","7","6","7","2","5","1") = "6"
    & skf21("6","2","7","6","7","2","6","1") = "6"
    & skf21("6","2","7","6","7","2","7","1") = "6"
    & skf21("6","2","7","6","7","3","1","1") = "6"
    & skf21("6","2","7","6","7","3","2","1") = "6"
    & skf21("6","2","7","6","7","3","3","1") = "6"
    & skf21("6","2","7","6","7","3","4","1") = "6"
    & skf21("6","2","7","6","7","3","5","1") = "6"
    & skf21("6","2","7","6","7","3","6","1") = "6"
    & skf21("6","2","7","6","7","3","7","1") = "6"
    & skf21("6","2","7","6","7","4","1","1") = "6"
    & skf21("6","2","7","6","7","4","2","1") = "6"
    & skf21("6","2","7","6","7","4","3","1") = "6"
    & skf21("6","2","7","6","7","4","4","1") = "6"
    & skf21("6","2","7","6","7","4","5","1") = "6"
    & skf21("6","2","7","6","7","4","6","1") = "6"
    & skf21("6","2","7","6","7","4","7","1") = "6"
    & skf21("6","2","7","6","7","5","1","1") = "6"
    & skf21("6","2","7","6","7","5","2","1") = "6"
    & skf21("6","2","7","6","7","5","3","1") = "6"
    & skf21("6","2","7","6","7","5","4","1") = "6"
    & skf21("6","2","7","6","7","5","5","1") = "6"
    & skf21("6","2","7","6","7","5","6","1") = "6"
    & skf21("6","2","7","6","7","5","7","1") = "6"
    & skf21("6","2","7","6","7","6","1","1") = "6"
    & skf21("6","2","7","6","7","6","2","1") = "6"
    & skf21("6","2","7","6","7","6","3","1") = "6"
    & skf21("6","2","7","6","7","6","4","1") = "6"
    & skf21("6","2","7","6","7","6","5","1") = "6"
    & skf21("6","2","7","6","7","6","6","1") = "6"
    & skf21("6","2","7","6","7","6","7","1") = "6"
    & skf21("6","2","7","6","7","7","1","1") = "6"
    & skf21("6","2","7","6","7","7","2","1") = "6"
    & skf21("6","2","7","6","7","7","3","1") = "6"
    & skf21("6","2","7","6","7","7","4","1") = "6"
    & skf21("6","2","7","6","7","7","5","1") = "6"
    & skf21("6","2","7","6","7","7","6","1") = "6"
    & skf21("6","2","7","6","7","7","7","1") = "6"
    & skf21("6","2","7","7","1","1","1","1") = "6"
    & skf21("6","2","7","7","1","1","2","1") = "6"
    & skf21("6","2","7","7","1","1","3","1") = "6"
    & skf21("6","2","7","7","1","1","4","1") = "6"
    & skf21("6","2","7","7","1","1","5","1") = "6"
    & skf21("6","2","7","7","1","1","6","1") = "6"
    & skf21("6","2","7","7","1","1","7","1") = "6"
    & skf21("6","2","7","7","1","2","1","1") = "6"
    & skf21("6","2","7","7","1","2","2","1") = "6"
    & skf21("6","2","7","7","1","2","3","1") = "6"
    & skf21("6","2","7","7","1","2","4","1") = "6"
    & skf21("6","2","7","7","1","2","5","1") = "6"
    & skf21("6","2","7","7","1","2","6","1") = "6"
    & skf21("6","2","7","7","1","2","7","1") = "6"
    & skf21("6","2","7","7","1","3","1","1") = "6"
    & skf21("6","2","7","7","1","3","2","1") = "6"
    & skf21("6","2","7","7","1","3","3","1") = "6"
    & skf21("6","2","7","7","1","3","4","1") = "6"
    & skf21("6","2","7","7","1","3","5","1") = "6"
    & skf21("6","2","7","7","1","3","6","1") = "6"
    & skf21("6","2","7","7","1","3","7","1") = "6"
    & skf21("6","2","7","7","1","4","1","1") = "6"
    & skf21("6","2","7","7","1","4","2","1") = "6"
    & skf21("6","2","7","7","1","4","3","1") = "6"
    & skf21("6","2","7","7","1","4","4","1") = "6"
    & skf21("6","2","7","7","1","4","5","1") = "6"
    & skf21("6","2","7","7","1","4","6","1") = "6"
    & skf21("6","2","7","7","1","4","7","1") = "6"
    & skf21("6","2","7","7","1","5","1","1") = "6"
    & skf21("6","2","7","7","1","5","2","1") = "6"
    & skf21("6","2","7","7","1","5","3","1") = "6"
    & skf21("6","2","7","7","1","5","4","1") = "6"
    & skf21("6","2","7","7","1","5","5","1") = "6"
    & skf21("6","2","7","7","1","5","6","1") = "6"
    & skf21("6","2","7","7","1","5","7","1") = "6"
    & skf21("6","2","7","7","1","6","1","1") = "6"
    & skf21("6","2","7","7","1","6","2","1") = "6"
    & skf21("6","2","7","7","1","6","3","1") = "6"
    & skf21("6","2","7","7","1","6","4","1") = "6"
    & skf21("6","2","7","7","1","6","5","1") = "6"
    & skf21("6","2","7","7","1","6","6","1") = "6"
    & skf21("6","2","7","7","1","6","7","1") = "6"
    & skf21("6","2","7","7","1","7","1","1") = "6"
    & skf21("6","2","7","7","1","7","2","1") = "6"
    & skf21("6","2","7","7","1","7","3","1") = "6"
    & skf21("6","2","7","7","1","7","4","1") = "6"
    & skf21("6","2","7","7","1","7","5","1") = "6"
    & skf21("6","2","7","7","1","7","6","1") = "6"
    & skf21("6","2","7","7","1","7","7","1") = "6"
    & skf21("6","2","7","7","2","1","1","1") = "6"
    & skf21("6","2","7","7","2","1","2","1") = "6"
    & skf21("6","2","7","7","2","1","3","1") = "6"
    & skf21("6","2","7","7","2","1","4","1") = "6"
    & skf21("6","2","7","7","2","1","5","1") = "6"
    & skf21("6","2","7","7","2","1","6","1") = "6"
    & skf21("6","2","7","7","2","1","7","1") = "6"
    & skf21("6","2","7","7","2","2","1","1") = "6"
    & skf21("6","2","7","7","2","2","2","1") = "6"
    & skf21("6","2","7","7","2","2","3","1") = "6"
    & skf21("6","2","7","7","2","2","4","1") = "6"
    & skf21("6","2","7","7","2","2","5","1") = "6"
    & skf21("6","2","7","7","2","2","6","1") = "6"
    & skf21("6","2","7","7","2","2","7","1") = "6"
    & skf21("6","2","7","7","2","3","1","1") = "6"
    & skf21("6","2","7","7","2","3","2","1") = "6"
    & skf21("6","2","7","7","2","3","3","1") = "6"
    & skf21("6","2","7","7","2","3","4","1") = "6"
    & skf21("6","2","7","7","2","3","5","1") = "6"
    & skf21("6","2","7","7","2","3","6","1") = "6"
    & skf21("6","2","7","7","2","3","7","1") = "6"
    & skf21("6","2","7","7","2","4","1","1") = "6"
    & skf21("6","2","7","7","2","4","2","1") = "6"
    & skf21("6","2","7","7","2","4","3","1") = "6"
    & skf21("6","2","7","7","2","4","4","1") = "6"
    & skf21("6","2","7","7","2","4","5","1") = "6"
    & skf21("6","2","7","7","2","4","6","1") = "6"
    & skf21("6","2","7","7","2","4","7","1") = "6"
    & skf21("6","2","7","7","2","5","1","1") = "6"
    & skf21("6","2","7","7","2","5","2","1") = "6"
    & skf21("6","2","7","7","2","5","3","1") = "6"
    & skf21("6","2","7","7","2","5","4","1") = "6"
    & skf21("6","2","7","7","2","5","5","1") = "6"
    & skf21("6","2","7","7","2","5","6","1") = "6"
    & skf21("6","2","7","7","2","5","7","1") = "6"
    & skf21("6","2","7","7","2","6","1","1") = "6"
    & skf21("6","2","7","7","2","6","2","1") = "6"
    & skf21("6","2","7","7","2","6","3","1") = "6"
    & skf21("6","2","7","7","2","6","4","1") = "6"
    & skf21("6","2","7","7","2","6","5","1") = "6"
    & skf21("6","2","7","7","2","6","6","1") = "6"
    & skf21("6","2","7","7","2","6","7","1") = "6"
    & skf21("6","2","7","7","2","7","1","1") = "6"
    & skf21("6","2","7","7","2","7","2","1") = "6"
    & skf21("6","2","7","7","2","7","3","1") = "6"
    & skf21("6","2","7","7","2","7","4","1") = "6"
    & skf21("6","2","7","7","2","7","5","1") = "6"
    & skf21("6","2","7","7","2","7","6","1") = "6"
    & skf21("6","2","7","7","2","7","7","1") = "6"
    & skf21("6","2","7","7","3","1","1","1") = "6"
    & skf21("6","2","7","7","3","1","2","1") = "6"
    & skf21("6","2","7","7","3","1","3","1") = "6"
    & skf21("6","2","7","7","3","1","4","1") = "6"
    & skf21("6","2","7","7","3","1","5","1") = "6"
    & skf21("6","2","7","7","3","1","6","1") = "6"
    & skf21("6","2","7","7","3","1","7","1") = "6"
    & skf21("6","2","7","7","3","2","1","1") = "6"
    & skf21("6","2","7","7","3","2","2","1") = "6"
    & skf21("6","2","7","7","3","2","3","1") = "6"
    & skf21("6","2","7","7","3","2","4","1") = "6"
    & skf21("6","2","7","7","3","2","5","1") = "6"
    & skf21("6","2","7","7","3","2","6","1") = "6"
    & skf21("6","2","7","7","3","2","7","1") = "6"
    & skf21("6","2","7","7","3","3","1","1") = "6"
    & skf21("6","2","7","7","3","3","2","1") = "6"
    & skf21("6","2","7","7","3","3","3","1") = "6"
    & skf21("6","2","7","7","3","3","4","1") = "6"
    & skf21("6","2","7","7","3","3","5","1") = "6"
    & skf21("6","2","7","7","3","3","6","1") = "6"
    & skf21("6","2","7","7","3","3","7","1") = "6"
    & skf21("6","2","7","7","3","4","1","1") = "6"
    & skf21("6","2","7","7","3","4","2","1") = "6"
    & skf21("6","2","7","7","3","4","3","1") = "6"
    & skf21("6","2","7","7","3","4","4","1") = "6"
    & skf21("6","2","7","7","3","4","5","1") = "6"
    & skf21("6","2","7","7","3","4","6","1") = "6"
    & skf21("6","2","7","7","3","4","7","1") = "6"
    & skf21("6","2","7","7","3","5","1","1") = "6"
    & skf21("6","2","7","7","3","5","2","1") = "6"
    & skf21("6","2","7","7","3","5","3","1") = "6"
    & skf21("6","2","7","7","3","5","4","1") = "6"
    & skf21("6","2","7","7","3","5","5","1") = "6"
    & skf21("6","2","7","7","3","5","6","1") = "6"
    & skf21("6","2","7","7","3","5","7","1") = "6"
    & skf21("6","2","7","7","3","6","1","1") = "6"
    & skf21("6","2","7","7","3","6","2","1") = "6"
    & skf21("6","2","7","7","3","6","3","1") = "6"
    & skf21("6","2","7","7","3","6","4","1") = "6"
    & skf21("6","2","7","7","3","6","5","1") = "6"
    & skf21("6","2","7","7","3","6","6","1") = "6"
    & skf21("6","2","7","7","3","6","7","1") = "6"
    & skf21("6","2","7","7","3","7","1","1") = "6"
    & skf21("6","2","7","7","3","7","2","1") = "6"
    & skf21("6","2","7","7","3","7","3","1") = "6"
    & skf21("6","2","7","7","3","7","4","1") = "6"
    & skf21("6","2","7","7","3","7","5","1") = "6"
    & skf21("6","2","7","7","3","7","6","1") = "6"
    & skf21("6","2","7","7","3","7","7","1") = "6"
    & skf21("6","2","7","7","4","1","1","1") = "6"
    & skf21("6","2","7","7","4","1","2","1") = "6"
    & skf21("6","2","7","7","4","1","3","1") = "6"
    & skf21("6","2","7","7","4","1","4","1") = "6"
    & skf21("6","2","7","7","4","1","5","1") = "6"
    & skf21("6","2","7","7","4","1","6","1") = "6"
    & skf21("6","2","7","7","4","1","7","1") = "6"
    & skf21("6","2","7","7","4","2","1","1") = "6"
    & skf21("6","2","7","7","4","2","2","1") = "6"
    & skf21("6","2","7","7","4","2","3","1") = "6"
    & skf21("6","2","7","7","4","2","4","1") = "6"
    & skf21("6","2","7","7","4","2","5","1") = "6"
    & skf21("6","2","7","7","4","2","6","1") = "6"
    & skf21("6","2","7","7","4","2","7","1") = "6"
    & skf21("6","2","7","7","4","3","1","1") = "6"
    & skf21("6","2","7","7","4","3","2","1") = "6"
    & skf21("6","2","7","7","4","3","3","1") = "6"
    & skf21("6","2","7","7","4","3","4","1") = "6"
    & skf21("6","2","7","7","4","3","5","1") = "6"
    & skf21("6","2","7","7","4","3","6","1") = "6"
    & skf21("6","2","7","7","4","3","7","1") = "6"
    & skf21("6","2","7","7","4","4","1","1") = "6"
    & skf21("6","2","7","7","4","4","2","1") = "6"
    & skf21("6","2","7","7","4","4","3","1") = "6"
    & skf21("6","2","7","7","4","4","4","1") = "6"
    & skf21("6","2","7","7","4","4","5","1") = "6"
    & skf21("6","2","7","7","4","4","6","1") = "6"
    & skf21("6","2","7","7","4","4","7","1") = "6"
    & skf21("6","2","7","7","4","5","1","1") = "6"
    & skf21("6","2","7","7","4","5","2","1") = "6"
    & skf21("6","2","7","7","4","5","3","1") = "6"
    & skf21("6","2","7","7","4","5","4","1") = "6"
    & skf21("6","2","7","7","4","5","5","1") = "6"
    & skf21("6","2","7","7","4","5","6","1") = "6"
    & skf21("6","2","7","7","4","5","7","1") = "6"
    & skf21("6","2","7","7","4","6","1","1") = "6"
    & skf21("6","2","7","7","4","6","2","1") = "6"
    & skf21("6","2","7","7","4","6","3","1") = "6"
    & skf21("6","2","7","7","4","6","4","1") = "6"
    & skf21("6","2","7","7","4","6","5","1") = "6"
    & skf21("6","2","7","7","4","6","6","1") = "6"
    & skf21("6","2","7","7","4","6","7","1") = "6"
    & skf21("6","2","7","7","4","7","1","1") = "6"
    & skf21("6","2","7","7","4","7","2","1") = "6"
    & skf21("6","2","7","7","4","7","3","1") = "6"
    & skf21("6","2","7","7","4","7","4","1") = "6"
    & skf21("6","2","7","7","4","7","5","1") = "6"
    & skf21("6","2","7","7","4","7","6","1") = "6"
    & skf21("6","2","7","7","4","7","7","1") = "6"
    & skf21("6","2","7","7","5","1","1","1") = "6"
    & skf21("6","2","7","7","5","1","2","1") = "6"
    & skf21("6","2","7","7","5","1","3","1") = "6"
    & skf21("6","2","7","7","5","1","4","1") = "6"
    & skf21("6","2","7","7","5","1","5","1") = "6"
    & skf21("6","2","7","7","5","1","6","1") = "6"
    & skf21("6","2","7","7","5","1","7","1") = "6"
    & skf21("6","2","7","7","5","2","1","1") = "6"
    & skf21("6","2","7","7","5","2","2","1") = "6"
    & skf21("6","2","7","7","5","2","3","1") = "6"
    & skf21("6","2","7","7","5","2","4","1") = "6"
    & skf21("6","2","7","7","5","2","5","1") = "6"
    & skf21("6","2","7","7","5","2","6","1") = "6"
    & skf21("6","2","7","7","5","2","7","1") = "6"
    & skf21("6","2","7","7","5","3","1","1") = "6"
    & skf21("6","2","7","7","5","3","2","1") = "6"
    & skf21("6","2","7","7","5","3","3","1") = "6"
    & skf21("6","2","7","7","5","3","4","1") = "6"
    & skf21("6","2","7","7","5","3","5","1") = "6"
    & skf21("6","2","7","7","5","3","6","1") = "6"
    & skf21("6","2","7","7","5","3","7","1") = "6"
    & skf21("6","2","7","7","5","4","1","1") = "6"
    & skf21("6","2","7","7","5","4","2","1") = "6"
    & skf21("6","2","7","7","5","4","3","1") = "6"
    & skf21("6","2","7","7","5","4","4","1") = "6"
    & skf21("6","2","7","7","5","4","5","1") = "6"
    & skf21("6","2","7","7","5","4","6","1") = "6"
    & skf21("6","2","7","7","5","4","7","1") = "6"
    & skf21("6","2","7","7","5","5","1","1") = "6"
    & skf21("6","2","7","7","5","5","2","1") = "6"
    & skf21("6","2","7","7","5","5","3","1") = "6"
    & skf21("6","2","7","7","5","5","4","1") = "6"
    & skf21("6","2","7","7","5","5","5","1") = "6"
    & skf21("6","2","7","7","5","5","6","1") = "6"
    & skf21("6","2","7","7","5","5","7","1") = "6"
    & skf21("6","2","7","7","5","6","1","1") = "6"
    & skf21("6","2","7","7","5","6","2","1") = "6"
    & skf21("6","2","7","7","5","6","3","1") = "6"
    & skf21("6","2","7","7","5","6","4","1") = "6"
    & skf21("6","2","7","7","5","6","5","1") = "6"
    & skf21("6","2","7","7","5","6","6","1") = "6"
    & skf21("6","2","7","7","5","6","7","1") = "6"
    & skf21("6","2","7","7","5","7","1","1") = "6"
    & skf21("6","2","7","7","5","7","2","1") = "6"
    & skf21("6","2","7","7","5","7","3","1") = "6"
    & skf21("6","2","7","7","5","7","4","1") = "6"
    & skf21("6","2","7","7","5","7","5","1") = "6"
    & skf21("6","2","7","7","5","7","6","1") = "6"
    & skf21("6","2","7","7","5","7","7","1") = "6"
    & skf21("6","2","7","7","6","1","1","1") = "6"
    & skf21("6","2","7","7","6","1","2","1") = "6"
    & skf21("6","2","7","7","6","1","3","1") = "6"
    & skf21("6","2","7","7","6","1","4","1") = "6"
    & skf21("6","2","7","7","6","1","5","1") = "6"
    & skf21("6","2","7","7","6","1","6","1") = "6"
    & skf21("6","2","7","7","6","1","7","1") = "6"
    & skf21("6","2","7","7","6","2","1","1") = "6"
    & skf21("6","2","7","7","6","2","2","1") = "6"
    & skf21("6","2","7","7","6","2","3","1") = "6"
    & skf21("6","2","7","7","6","2","4","1") = "6"
    & skf21("6","2","7","7","6","2","5","1") = "6"
    & skf21("6","2","7","7","6","2","6","1") = "6"
    & skf21("6","2","7","7","6","2","7","1") = "6"
    & skf21("6","2","7","7","6","3","1","1") = "6"
    & skf21("6","2","7","7","6","3","2","1") = "6"
    & skf21("6","2","7","7","6","3","3","1") = "6"
    & skf21("6","2","7","7","6","3","4","1") = "6"
    & skf21("6","2","7","7","6","3","5","1") = "6"
    & skf21("6","2","7","7","6","3","6","1") = "6"
    & skf21("6","2","7","7","6","3","7","1") = "6"
    & skf21("6","2","7","7","6","4","1","1") = "6"
    & skf21("6","2","7","7","6","4","2","1") = "6"
    & skf21("6","2","7","7","6","4","3","1") = "6"
    & skf21("6","2","7","7","6","4","4","1") = "6"
    & skf21("6","2","7","7","6","4","5","1") = "6"
    & skf21("6","2","7","7","6","4","6","1") = "6"
    & skf21("6","2","7","7","6","4","7","1") = "6"
    & skf21("6","2","7","7","6","5","1","1") = "6"
    & skf21("6","2","7","7","6","5","2","1") = "6"
    & skf21("6","2","7","7","6","5","3","1") = "6"
    & skf21("6","2","7","7","6","5","4","1") = "6"
    & skf21("6","2","7","7","6","5","5","1") = "6"
    & skf21("6","2","7","7","6","5","6","1") = "6"
    & skf21("6","2","7","7","6","5","7","1") = "6"
    & skf21("6","2","7","7","6","6","1","1") = "6"
    & skf21("6","2","7","7","6","6","2","1") = "6"
    & skf21("6","2","7","7","6","6","3","1") = "6"
    & skf21("6","2","7","7","6","6","4","1") = "6"
    & skf21("6","2","7","7","6","6","5","1") = "6"
    & skf21("6","2","7","7","6","6","6","1") = "6"
    & skf21("6","2","7","7","6","6","7","1") = "6"
    & skf21("6","2","7","7","6","7","1","1") = "6"
    & skf21("6","2","7","7","6","7","2","1") = "6"
    & skf21("6","2","7","7","6","7","3","1") = "6"
    & skf21("6","2","7","7","6","7","4","1") = "6"
    & skf21("6","2","7","7","6","7","5","1") = "6"
    & skf21("6","2","7","7","6","7","6","1") = "6"
    & skf21("6","2","7","7","6","7","7","1") = "6"
    & skf21("6","2","7","7","7","1","1","1") = "6"
    & skf21("6","2","7","7","7","1","2","1") = "6"
    & skf21("6","2","7","7","7","1","3","1") = "6"
    & skf21("6","2","7","7","7","1","4","1") = "6"
    & skf21("6","2","7","7","7","1","5","1") = "6"
    & skf21("6","2","7","7","7","1","6","1") = "6"
    & skf21("6","2","7","7","7","1","7","1") = "6"
    & skf21("6","2","7","7","7","2","1","1") = "6"
    & skf21("6","2","7","7","7","2","2","1") = "6"
    & skf21("6","2","7","7","7","2","3","1") = "6"
    & skf21("6","2","7","7","7","2","4","1") = "6"
    & skf21("6","2","7","7","7","2","5","1") = "6"
    & skf21("6","2","7","7","7","2","6","1") = "6"
    & skf21("6","2","7","7","7","2","7","1") = "6"
    & skf21("6","2","7","7","7","3","1","1") = "6"
    & skf21("6","2","7","7","7","3","2","1") = "6"
    & skf21("6","2","7","7","7","3","3","1") = "6"
    & skf21("6","2","7","7","7","3","4","1") = "6"
    & skf21("6","2","7","7","7","3","5","1") = "6"
    & skf21("6","2","7","7","7","3","6","1") = "6"
    & skf21("6","2","7","7","7","3","7","1") = "6"
    & skf21("6","2","7","7","7","4","1","1") = "6"
    & skf21("6","2","7","7","7","4","2","1") = "6"
    & skf21("6","2","7","7","7","4","3","1") = "6"
    & skf21("6","2","7","7","7","4","4","1") = "6"
    & skf21("6","2","7","7","7","4","5","1") = "6"
    & skf21("6","2","7","7","7","4","6","1") = "6"
    & skf21("6","2","7","7","7","4","7","1") = "6"
    & skf21("6","2","7","7","7","5","1","1") = "6"
    & skf21("6","2","7","7","7","5","2","1") = "6"
    & skf21("6","2","7","7","7","5","3","1") = "6"
    & skf21("6","2","7","7","7","5","4","1") = "6"
    & skf21("6","2","7","7","7","5","5","1") = "6"
    & skf21("6","2","7","7","7","5","6","1") = "6"
    & skf21("6","2","7","7","7","5","7","1") = "6"
    & skf21("6","2","7","7","7","6","1","1") = "6"
    & skf21("6","2","7","7","7","6","2","1") = "6"
    & skf21("6","2","7","7","7","6","3","1") = "6"
    & skf21("6","2","7","7","7","6","4","1") = "6"
    & skf21("6","2","7","7","7","6","5","1") = "6"
    & skf21("6","2","7","7","7","6","6","1") = "6"
    & skf21("6","2","7","7","7","6","7","1") = "6"
    & skf21("6","2","7","7","7","7","1","1") = "6"
    & skf21("6","2","7","7","7","7","2","1") = "6"
    & skf21("6","2","7","7","7","7","3","1") = "6"
    & skf21("6","2","7","7","7","7","4","1") = "6"
    & skf21("6","2","7","7","7","7","5","1") = "6"
    & skf21("6","2","7","7","7","7","6","1") = "6"
    & skf21("6","2","7","7","7","7","7","1") = "6"
    & skf21("6","3","1","1","1","1","1","1") = "5"
    & skf21("6","3","1","1","1","1","2","1") = "5"
    & skf21("6","3","1","1","1","1","3","1") = "5"
    & skf21("6","3","1","1","1","1","4","1") = "5"
    & skf21("6","3","1","1","1","1","5","1") = "5"
    & skf21("6","3","1","1","1","1","6","1") = "5"
    & skf21("6","3","1","1","1","1","7","1") = "6"
    & skf21("6","3","1","1","1","2","1","1") = "5"
    & skf21("6","3","1","1","1","2","2","1") = "5"
    & skf21("6","3","1","1","1","2","3","1") = "5"
    & skf21("6","3","1","1","1","2","4","1") = "5"
    & skf21("6","3","1","1","1","2","5","1") = "5"
    & skf21("6","3","1","1","1","2","6","1") = "5"
    & skf21("6","3","1","1","1","2","7","1") = "6"
    & skf21("6","3","1","1","1","3","1","1") = "5"
    & skf21("6","3","1","1","1","3","2","1") = "5"
    & skf21("6","3","1","1","1","3","3","1") = "5"
    & skf21("6","3","1","1","1","3","4","1") = "5"
    & skf21("6","3","1","1","1","3","5","1") = "5"
    & skf21("6","3","1","1","1","3","6","1") = "5"
    & skf21("6","3","1","1","1","3","7","1") = "6"
    & skf21("6","3","1","1","1","4","1","1") = "5"
    & skf21("6","3","1","1","1","4","2","1") = "5"
    & skf21("6","3","1","1","1","4","3","1") = "5"
    & skf21("6","3","1","1","1","4","4","1") = "5"
    & skf21("6","3","1","1","1","4","5","1") = "5"
    & skf21("6","3","1","1","1","4","6","1") = "5"
    & skf21("6","3","1","1","1","4","7","1") = "6"
    & skf21("6","3","1","1","1","5","1","1") = "5"
    & skf21("6","3","1","1","1","5","2","1") = "5"
    & skf21("6","3","1","1","1","5","3","1") = "5"
    & skf21("6","3","1","1","1","5","4","1") = "5"
    & skf21("6","3","1","1","1","5","5","1") = "5"
    & skf21("6","3","1","1","1","5","6","1") = "5"
    & skf21("6","3","1","1","1","5","7","1") = "6"
    & skf21("6","3","1","1","1","6","1","1") = "5"
    & skf21("6","3","1","1","1","6","2","1") = "5"
    & skf21("6","3","1","1","1","6","3","1") = "5"
    & skf21("6","3","1","1","1","6","4","1") = "5"
    & skf21("6","3","1","1","1","6","5","1") = "5"
    & skf21("6","3","1","1","1","6","6","1") = "5"
    & skf21("6","3","1","1","1","6","7","1") = "6"
    & skf21("6","3","1","1","1","7","1","1") = "6"
    & skf21("6","3","1","1","1","7","2","1") = "6"
    & skf21("6","3","1","1","1","7","3","1") = "6"
    & skf21("6","3","1","1","1","7","4","1") = "6"
    & skf21("6","3","1","1","1","7","5","1") = "6"
    & skf21("6","3","1","1","1","7","6","1") = "6"
    & skf21("6","3","1","1","1","7","7","1") = "6"
    & skf21("6","3","1","1","2","1","1","1") = "5"
    & skf21("6","3","1","1","2","1","2","1") = "5"
    & skf21("6","3","1","1","2","1","3","1") = "5"
    & skf21("6","3","1","1","2","1","4","1") = "5"
    & skf21("6","3","1","1","2","1","5","1") = "5"
    & skf21("6","3","1","1","2","1","6","1") = "5"
    & skf21("6","3","1","1","2","1","7","1") = "6"
    & skf21("6","3","1","1","2","2","1","1") = "5"
    & skf21("6","3","1","1","2","2","2","1") = "5"
    & skf21("6","3","1","1","2","2","3","1") = "5"
    & skf21("6","3","1","1","2","2","4","1") = "5"
    & skf21("6","3","1","1","2","2","5","1") = "5"
    & skf21("6","3","1","1","2","2","6","1") = "5"
    & skf21("6","3","1","1","2","2","7","1") = "6"
    & skf21("6","3","1","1","2","3","1","1") = "5"
    & skf21("6","3","1","1","2","3","2","1") = "5"
    & skf21("6","3","1","1","2","3","3","1") = "5"
    & skf21("6","3","1","1","2","3","4","1") = "5"
    & skf21("6","3","1","1","2","3","5","1") = "5"
    & skf21("6","3","1","1","2","3","6","1") = "5"
    & skf21("6","3","1","1","2","3","7","1") = "6"
    & skf21("6","3","1","1","2","4","1","1") = "5"
    & skf21("6","3","1","1","2","4","2","1") = "5"
    & skf21("6","3","1","1","2","4","3","1") = "5"
    & skf21("6","3","1","1","2","4","4","1") = "5"
    & skf21("6","3","1","1","2","4","5","1") = "5"
    & skf21("6","3","1","1","2","4","6","1") = "5"
    & skf21("6","3","1","1","2","4","7","1") = "6"
    & skf21("6","3","1","1","2","5","1","1") = "5"
    & skf21("6","3","1","1","2","5","2","1") = "5"
    & skf21("6","3","1","1","2","5","3","1") = "5"
    & skf21("6","3","1","1","2","5","4","1") = "5"
    & skf21("6","3","1","1","2","5","5","1") = "5"
    & skf21("6","3","1","1","2","5","6","1") = "5"
    & skf21("6","3","1","1","2","5","7","1") = "6"
    & skf21("6","3","1","1","2","6","1","1") = "5"
    & skf21("6","3","1","1","2","6","2","1") = "5"
    & skf21("6","3","1","1","2","6","3","1") = "5"
    & skf21("6","3","1","1","2","6","4","1") = "5"
    & skf21("6","3","1","1","2","6","5","1") = "5"
    & skf21("6","3","1","1","2","6","6","1") = "5"
    & skf21("6","3","1","1","2","6","7","1") = "6"
    & skf21("6","3","1","1","2","7","1","1") = "6"
    & skf21("6","3","1","1","2","7","2","1") = "6"
    & skf21("6","3","1","1","2","7","3","1") = "6"
    & skf21("6","3","1","1","2","7","4","1") = "6"
    & skf21("6","3","1","1","2","7","5","1") = "6"
    & skf21("6","3","1","1","2","7","6","1") = "6"
    & skf21("6","3","1","1","2","7","7","1") = "6"
    & skf21("6","3","1","1","3","1","1","1") = "5"
    & skf21("6","3","1","1","3","1","2","1") = "5"
    & skf21("6","3","1","1","3","1","3","1") = "5"
    & skf21("6","3","1","1","3","1","4","1") = "5"
    & skf21("6","3","1","1","3","1","5","1") = "5"
    & skf21("6","3","1","1","3","1","6","1") = "5"
    & skf21("6","3","1","1","3","1","7","1") = "6"
    & skf21("6","3","1","1","3","2","1","1") = "5"
    & skf21("6","3","1","1","3","2","2","1") = "5"
    & skf21("6","3","1","1","3","2","3","1") = "5"
    & skf21("6","3","1","1","3","2","4","1") = "5"
    & skf21("6","3","1","1","3","2","5","1") = "5"
    & skf21("6","3","1","1","3","2","6","1") = "5"
    & skf21("6","3","1","1","3","2","7","1") = "6"
    & skf21("6","3","1","1","3","3","1","1") = "5"
    & skf21("6","3","1","1","3","3","2","1") = "5"
    & skf21("6","3","1","1","3","3","3","1") = "5"
    & skf21("6","3","1","1","3","3","4","1") = "5"
    & skf21("6","3","1","1","3","3","5","1") = "5"
    & skf21("6","3","1","1","3","3","6","1") = "5"
    & skf21("6","3","1","1","3","3","7","1") = "6"
    & skf21("6","3","1","1","3","4","1","1") = "5"
    & skf21("6","3","1","1","3","4","2","1") = "5"
    & skf21("6","3","1","1","3","4","3","1") = "5"
    & skf21("6","3","1","1","3","4","4","1") = "5"
    & skf21("6","3","1","1","3","4","5","1") = "5"
    & skf21("6","3","1","1","3","4","6","1") = "5"
    & skf21("6","3","1","1","3","4","7","1") = "6"
    & skf21("6","3","1","1","3","5","1","1") = "5"
    & skf21("6","3","1","1","3","5","2","1") = "5"
    & skf21("6","3","1","1","3","5","3","1") = "5"
    & skf21("6","3","1","1","3","5","4","1") = "5"
    & skf21("6","3","1","1","3","5","5","1") = "5"
    & skf21("6","3","1","1","3","5","6","1") = "5"
    & skf21("6","3","1","1","3","5","7","1") = "6"
    & skf21("6","3","1","1","3","6","1","1") = "5"
    & skf21("6","3","1","1","3","6","2","1") = "5"
    & skf21("6","3","1","1","3","6","3","1") = "5"
    & skf21("6","3","1","1","3","6","4","1") = "5"
    & skf21("6","3","1","1","3","6","5","1") = "5"
    & skf21("6","3","1","1","3","6","6","1") = "5"
    & skf21("6","3","1","1","3","6","7","1") = "6"
    & skf21("6","3","1","1","3","7","1","1") = "6"
    & skf21("6","3","1","1","3","7","2","1") = "6"
    & skf21("6","3","1","1","3","7","3","1") = "6"
    & skf21("6","3","1","1","3","7","4","1") = "6"
    & skf21("6","3","1","1","3","7","5","1") = "6"
    & skf21("6","3","1","1","3","7","6","1") = "6"
    & skf21("6","3","1","1","3","7","7","1") = "6"
    & skf21("6","3","1","1","4","1","1","1") = "5"
    & skf21("6","3","1","1","4","1","2","1") = "5"
    & skf21("6","3","1","1","4","1","3","1") = "5"
    & skf21("6","3","1","1","4","1","4","1") = "5"
    & skf21("6","3","1","1","4","1","5","1") = "5"
    & skf21("6","3","1","1","4","1","6","1") = "5"
    & skf21("6","3","1","1","4","1","7","1") = "6"
    & skf21("6","3","1","1","4","2","1","1") = "5"
    & skf21("6","3","1","1","4","2","2","1") = "5"
    & skf21("6","3","1","1","4","2","3","1") = "5"
    & skf21("6","3","1","1","4","2","4","1") = "5"
    & skf21("6","3","1","1","4","2","5","1") = "5"
    & skf21("6","3","1","1","4","2","6","1") = "5"
    & skf21("6","3","1","1","4","2","7","1") = "6"
    & skf21("6","3","1","1","4","3","1","1") = "5"
    & skf21("6","3","1","1","4","3","2","1") = "5"
    & skf21("6","3","1","1","4","3","3","1") = "5"
    & skf21("6","3","1","1","4","3","4","1") = "5"
    & skf21("6","3","1","1","4","3","5","1") = "5"
    & skf21("6","3","1","1","4","3","6","1") = "5"
    & skf21("6","3","1","1","4","3","7","1") = "6"
    & skf21("6","3","1","1","4","4","1","1") = "5"
    & skf21("6","3","1","1","4","4","2","1") = "5"
    & skf21("6","3","1","1","4","4","3","1") = "5"
    & skf21("6","3","1","1","4","4","4","1") = "5"
    & skf21("6","3","1","1","4","4","5","1") = "5"
    & skf21("6","3","1","1","4","4","6","1") = "5"
    & skf21("6","3","1","1","4","4","7","1") = "6"
    & skf21("6","3","1","1","4","5","1","1") = "5"
    & skf21("6","3","1","1","4","5","2","1") = "5"
    & skf21("6","3","1","1","4","5","3","1") = "5"
    & skf21("6","3","1","1","4","5","4","1") = "5"
    & skf21("6","3","1","1","4","5","5","1") = "5"
    & skf21("6","3","1","1","4","5","6","1") = "5"
    & skf21("6","3","1","1","4","5","7","1") = "6"
    & skf21("6","3","1","1","4","6","1","1") = "5"
    & skf21("6","3","1","1","4","6","2","1") = "5"
    & skf21("6","3","1","1","4","6","3","1") = "5"
    & skf21("6","3","1","1","4","6","4","1") = "5"
    & skf21("6","3","1","1","4","6","5","1") = "5"
    & skf21("6","3","1","1","4","6","6","1") = "5"
    & skf21("6","3","1","1","4","6","7","1") = "6"
    & skf21("6","3","1","1","4","7","1","1") = "6"
    & skf21("6","3","1","1","4","7","2","1") = "6"
    & skf21("6","3","1","1","4","7","3","1") = "6"
    & skf21("6","3","1","1","4","7","4","1") = "6"
    & skf21("6","3","1","1","4","7","5","1") = "6"
    & skf21("6","3","1","1","4","7","6","1") = "6"
    & skf21("6","3","1","1","4","7","7","1") = "6"
    & skf21("6","3","1","1","5","1","1","1") = "5"
    & skf21("6","3","1","1","5","1","2","1") = "5"
    & skf21("6","3","1","1","5","1","3","1") = "5"
    & skf21("6","3","1","1","5","1","4","1") = "5"
    & skf21("6","3","1","1","5","1","5","1") = "5"
    & skf21("6","3","1","1","5","1","6","1") = "5"
    & skf21("6","3","1","1","5","1","7","1") = "6"
    & skf21("6","3","1","1","5","2","1","1") = "5"
    & skf21("6","3","1","1","5","2","2","1") = "5"
    & skf21("6","3","1","1","5","2","3","1") = "5"
    & skf21("6","3","1","1","5","2","4","1") = "5"
    & skf21("6","3","1","1","5","2","5","1") = "5"
    & skf21("6","3","1","1","5","2","6","1") = "5"
    & skf21("6","3","1","1","5","2","7","1") = "6"
    & skf21("6","3","1","1","5","3","1","1") = "5"
    & skf21("6","3","1","1","5","3","2","1") = "5"
    & skf21("6","3","1","1","5","3","3","1") = "5"
    & skf21("6","3","1","1","5","3","4","1") = "5"
    & skf21("6","3","1","1","5","3","5","1") = "5"
    & skf21("6","3","1","1","5","3","6","1") = "5"
    & skf21("6","3","1","1","5","3","7","1") = "6"
    & skf21("6","3","1","1","5","4","1","1") = "5"
    & skf21("6","3","1","1","5","4","2","1") = "5"
    & skf21("6","3","1","1","5","4","3","1") = "5"
    & skf21("6","3","1","1","5","4","4","1") = "5"
    & skf21("6","3","1","1","5","4","5","1") = "5"
    & skf21("6","3","1","1","5","4","6","1") = "5"
    & skf21("6","3","1","1","5","4","7","1") = "6"
    & skf21("6","3","1","1","5","5","1","1") = "5"
    & skf21("6","3","1","1","5","5","2","1") = "5"
    & skf21("6","3","1","1","5","5","3","1") = "5"
    & skf21("6","3","1","1","5","5","4","1") = "5"
    & skf21("6","3","1","1","5","5","5","1") = "5"
    & skf21("6","3","1","1","5","5","6","1") = "5"
    & skf21("6","3","1","1","5","5","7","1") = "6"
    & skf21("6","3","1","1","5","6","1","1") = "5"
    & skf21("6","3","1","1","5","6","2","1") = "5"
    & skf21("6","3","1","1","5","6","3","1") = "5"
    & skf21("6","3","1","1","5","6","4","1") = "5"
    & skf21("6","3","1","1","5","6","5","1") = "5"
    & skf21("6","3","1","1","5","6","6","1") = "5"
    & skf21("6","3","1","1","5","6","7","1") = "6"
    & skf21("6","3","1","1","5","7","1","1") = "6"
    & skf21("6","3","1","1","5","7","2","1") = "6"
    & skf21("6","3","1","1","5","7","3","1") = "6"
    & skf21("6","3","1","1","5","7","4","1") = "6"
    & skf21("6","3","1","1","5","7","5","1") = "6"
    & skf21("6","3","1","1","5","7","6","1") = "6"
    & skf21("6","3","1","1","5","7","7","1") = "6"
    & skf21("6","3","1","1","6","1","1","1") = "5"
    & skf21("6","3","1","1","6","1","2","1") = "5"
    & skf21("6","3","1","1","6","1","3","1") = "5"
    & skf21("6","3","1","1","6","1","4","1") = "5"
    & skf21("6","3","1","1","6","1","5","1") = "5"
    & skf21("6","3","1","1","6","1","6","1") = "5"
    & skf21("6","3","1","1","6","1","7","1") = "6"
    & skf21("6","3","1","1","6","2","1","1") = "5"
    & skf21("6","3","1","1","6","2","2","1") = "5"
    & skf21("6","3","1","1","6","2","3","1") = "5"
    & skf21("6","3","1","1","6","2","4","1") = "5"
    & skf21("6","3","1","1","6","2","5","1") = "5"
    & skf21("6","3","1","1","6","2","6","1") = "5"
    & skf21("6","3","1","1","6","2","7","1") = "6"
    & skf21("6","3","1","1","6","3","1","1") = "5"
    & skf21("6","3","1","1","6","3","2","1") = "5"
    & skf21("6","3","1","1","6","3","3","1") = "5"
    & skf21("6","3","1","1","6","3","4","1") = "5"
    & skf21("6","3","1","1","6","3","5","1") = "5"
    & skf21("6","3","1","1","6","3","6","1") = "5"
    & skf21("6","3","1","1","6","3","7","1") = "6"
    & skf21("6","3","1","1","6","4","1","1") = "5"
    & skf21("6","3","1","1","6","4","2","1") = "5"
    & skf21("6","3","1","1","6","4","3","1") = "5"
    & skf21("6","3","1","1","6","4","4","1") = "5"
    & skf21("6","3","1","1","6","4","5","1") = "5"
    & skf21("6","3","1","1","6","4","6","1") = "5"
    & skf21("6","3","1","1","6","4","7","1") = "6"
    & skf21("6","3","1","1","6","5","1","1") = "5"
    & skf21("6","3","1","1","6","5","2","1") = "5"
    & skf21("6","3","1","1","6","5","3","1") = "5"
    & skf21("6","3","1","1","6","5","4","1") = "5"
    & skf21("6","3","1","1","6","5","5","1") = "5"
    & skf21("6","3","1","1","6","5","6","1") = "5"
    & skf21("6","3","1","1","6","5","7","1") = "6"
    & skf21("6","3","1","1","6","6","1","1") = "5"
    & skf21("6","3","1","1","6","6","2","1") = "5"
    & skf21("6","3","1","1","6","6","3","1") = "5"
    & skf21("6","3","1","1","6","6","4","1") = "5"
    & skf21("6","3","1","1","6","6","5","1") = "5"
    & skf21("6","3","1","1","6","6","6","1") = "5"
    & skf21("6","3","1","1","6","6","7","1") = "6"
    & skf21("6","3","1","1","6","7","1","1") = "6"
    & skf21("6","3","1","1","6","7","2","1") = "6"
    & skf21("6","3","1","1","6","7","3","1") = "6"
    & skf21("6","3","1","1","6","7","4","1") = "6"
    & skf21("6","3","1","1","6","7","5","1") = "6"
    & skf21("6","3","1","1","6","7","6","1") = "6"
    & skf21("6","3","1","1","6","7","7","1") = "6"
    & skf21("6","3","1","1","7","1","1","1") = "6"
    & skf21("6","3","1","1","7","1","2","1") = "6"
    & skf21("6","3","1","1","7","1","3","1") = "6"
    & skf21("6","3","1","1","7","1","4","1") = "6"
    & skf21("6","3","1","1","7","1","5","1") = "6"
    & skf21("6","3","1","1","7","1","6","1") = "6"
    & skf21("6","3","1","1","7","1","7","1") = "6"
    & skf21("6","3","1","1","7","2","1","1") = "6"
    & skf21("6","3","1","1","7","2","2","1") = "6"
    & skf21("6","3","1","1","7","2","3","1") = "6"
    & skf21("6","3","1","1","7","2","4","1") = "6"
    & skf21("6","3","1","1","7","2","5","1") = "6"
    & skf21("6","3","1","1","7","2","6","1") = "6"
    & skf21("6","3","1","1","7","2","7","1") = "6"
    & skf21("6","3","1","1","7","3","1","1") = "6"
    & skf21("6","3","1","1","7","3","2","1") = "6"
    & skf21("6","3","1","1","7","3","3","1") = "6"
    & skf21("6","3","1","1","7","3","4","1") = "6"
    & skf21("6","3","1","1","7","3","5","1") = "6"
    & skf21("6","3","1","1","7","3","6","1") = "6"
    & skf21("6","3","1","1","7","3","7","1") = "6"
    & skf21("6","3","1","1","7","4","1","1") = "6"
    & skf21("6","3","1","1","7","4","2","1") = "6"
    & skf21("6","3","1","1","7","4","3","1") = "6"
    & skf21("6","3","1","1","7","4","4","1") = "6"
    & skf21("6","3","1","1","7","4","5","1") = "6"
    & skf21("6","3","1","1","7","4","6","1") = "6"
    & skf21("6","3","1","1","7","4","7","1") = "6"
    & skf21("6","3","1","1","7","5","1","1") = "6"
    & skf21("6","3","1","1","7","5","2","1") = "6"
    & skf21("6","3","1","1","7","5","3","1") = "6"
    & skf21("6","3","1","1","7","5","4","1") = "6"
    & skf21("6","3","1","1","7","5","5","1") = "6"
    & skf21("6","3","1","1","7","5","6","1") = "6"
    & skf21("6","3","1","1","7","5","7","1") = "6"
    & skf21("6","3","1","1","7","6","1","1") = "6"
    & skf21("6","3","1","1","7","6","2","1") = "6"
    & skf21("6","3","1","1","7","6","3","1") = "6"
    & skf21("6","3","1","1","7","6","4","1") = "6"
    & skf21("6","3","1","1","7","6","5","1") = "6"
    & skf21("6","3","1","1","7","6","6","1") = "6"
    & skf21("6","3","1","1","7","6","7","1") = "6"
    & skf21("6","3","1","1","7","7","1","1") = "6"
    & skf21("6","3","1","1","7","7","2","1") = "6"
    & skf21("6","3","1","1","7","7","3","1") = "6"
    & skf21("6","3","1","1","7","7","4","1") = "6"
    & skf21("6","3","1","1","7","7","5","1") = "6"
    & skf21("6","3","1","1","7","7","6","1") = "6"
    & skf21("6","3","1","1","7","7","7","1") = "6"
    & skf21("6","3","1","2","1","1","1","1") = "5"
    & skf21("6","3","1","2","1","1","2","1") = "5"
    & skf21("6","3","1","2","1","1","3","1") = "5"
    & skf21("6","3","1","2","1","1","4","1") = "5"
    & skf21("6","3","1","2","1","1","5","1") = "5"
    & skf21("6","3","1","2","1","1","6","1") = "5"
    & skf21("6","3","1","2","1","1","7","1") = "6"
    & skf21("6","3","1","2","1","2","1","1") = "5"
    & skf21("6","3","1","2","1","2","2","1") = "5"
    & skf21("6","3","1","2","1","2","3","1") = "5"
    & skf21("6","3","1","2","1","2","4","1") = "5"
    & skf21("6","3","1","2","1","2","5","1") = "5"
    & skf21("6","3","1","2","1","2","6","1") = "5"
    & skf21("6","3","1","2","1","2","7","1") = "6"
    & skf21("6","3","1","2","1","3","1","1") = "5"
    & skf21("6","3","1","2","1","3","2","1") = "5"
    & skf21("6","3","1","2","1","3","3","1") = "5"
    & skf21("6","3","1","2","1","3","4","1") = "5"
    & skf21("6","3","1","2","1","3","5","1") = "5"
    & skf21("6","3","1","2","1","3","6","1") = "5"
    & skf21("6","3","1","2","1","3","7","1") = "6"
    & skf21("6","3","1","2","1","4","1","1") = "5"
    & skf21("6","3","1","2","1","4","2","1") = "5"
    & skf21("6","3","1","2","1","4","3","1") = "5"
    & skf21("6","3","1","2","1","4","4","1") = "5"
    & skf21("6","3","1","2","1","4","5","1") = "5"
    & skf21("6","3","1","2","1","4","6","1") = "5"
    & skf21("6","3","1","2","1","4","7","1") = "6"
    & skf21("6","3","1","2","1","5","1","1") = "5"
    & skf21("6","3","1","2","1","5","2","1") = "5"
    & skf21("6","3","1","2","1","5","3","1") = "5"
    & skf21("6","3","1","2","1","5","4","1") = "5"
    & skf21("6","3","1","2","1","5","5","1") = "5"
    & skf21("6","3","1","2","1","5","6","1") = "5"
    & skf21("6","3","1","2","1","5","7","1") = "6"
    & skf21("6","3","1","2","1","6","1","1") = "5"
    & skf21("6","3","1","2","1","6","2","1") = "5"
    & skf21("6","3","1","2","1","6","3","1") = "5"
    & skf21("6","3","1","2","1","6","4","1") = "5"
    & skf21("6","3","1","2","1","6","5","1") = "5"
    & skf21("6","3","1","2","1","6","6","1") = "5"
    & skf21("6","3","1","2","1","6","7","1") = "6"
    & skf21("6","3","1","2","1","7","1","1") = "6"
    & skf21("6","3","1","2","1","7","2","1") = "6"
    & skf21("6","3","1","2","1","7","3","1") = "6"
    & skf21("6","3","1","2","1","7","4","1") = "6"
    & skf21("6","3","1","2","1","7","5","1") = "6"
    & skf21("6","3","1","2","1","7","6","1") = "6"
    & skf21("6","3","1","2","1","7","7","1") = "6"
    & skf21("6","3","1","2","2","1","1","1") = "5"
    & skf21("6","3","1","2","2","1","2","1") = "5"
    & skf21("6","3","1","2","2","1","3","1") = "5"
    & skf21("6","3","1","2","2","1","4","1") = "5"
    & skf21("6","3","1","2","2","1","5","1") = "5"
    & skf21("6","3","1","2","2","1","6","1") = "5"
    & skf21("6","3","1","2","2","1","7","1") = "6"
    & skf21("6","3","1","2","2","2","1","1") = "5"
    & skf21("6","3","1","2","2","2","2","1") = "5"
    & skf21("6","3","1","2","2","2","3","1") = "5"
    & skf21("6","3","1","2","2","2","4","1") = "5"
    & skf21("6","3","1","2","2","2","5","1") = "5"
    & skf21("6","3","1","2","2","2","6","1") = "5"
    & skf21("6","3","1","2","2","2","7","1") = "6"
    & skf21("6","3","1","2","2","3","1","1") = "5"
    & skf21("6","3","1","2","2","3","2","1") = "5"
    & skf21("6","3","1","2","2","3","3","1") = "5"
    & skf21("6","3","1","2","2","3","4","1") = "5"
    & skf21("6","3","1","2","2","3","5","1") = "5"
    & skf21("6","3","1","2","2","3","6","1") = "5"
    & skf21("6","3","1","2","2","3","7","1") = "6"
    & skf21("6","3","1","2","2","4","1","1") = "5"
    & skf21("6","3","1","2","2","4","2","1") = "5"
    & skf21("6","3","1","2","2","4","3","1") = "5"
    & skf21("6","3","1","2","2","4","4","1") = "5"
    & skf21("6","3","1","2","2","4","5","1") = "5"
    & skf21("6","3","1","2","2","4","6","1") = "5"
    & skf21("6","3","1","2","2","4","7","1") = "6"
    & skf21("6","3","1","2","2","5","1","1") = "5"
    & skf21("6","3","1","2","2","5","2","1") = "5"
    & skf21("6","3","1","2","2","5","3","1") = "5"
    & skf21("6","3","1","2","2","5","4","1") = "5"
    & skf21("6","3","1","2","2","5","5","1") = "5"
    & skf21("6","3","1","2","2","5","6","1") = "5"
    & skf21("6","3","1","2","2","5","7","1") = "6"
    & skf21("6","3","1","2","2","6","1","1") = "5"
    & skf21("6","3","1","2","2","6","2","1") = "5"
    & skf21("6","3","1","2","2","6","3","1") = "5"
    & skf21("6","3","1","2","2","6","4","1") = "5"
    & skf21("6","3","1","2","2","6","5","1") = "5"
    & skf21("6","3","1","2","2","6","6","1") = "5"
    & skf21("6","3","1","2","2","6","7","1") = "6"
    & skf21("6","3","1","2","2","7","1","1") = "6"
    & skf21("6","3","1","2","2","7","2","1") = "6"
    & skf21("6","3","1","2","2","7","3","1") = "6"
    & skf21("6","3","1","2","2","7","4","1") = "6"
    & skf21("6","3","1","2","2","7","5","1") = "6"
    & skf21("6","3","1","2","2","7","6","1") = "6"
    & skf21("6","3","1","2","2","7","7","1") = "6"
    & skf21("6","3","1","2","3","1","1","1") = "5"
    & skf21("6","3","1","2","3","1","2","1") = "5"
    & skf21("6","3","1","2","3","1","3","1") = "5"
    & skf21("6","3","1","2","3","1","4","1") = "5"
    & skf21("6","3","1","2","3","1","5","1") = "5"
    & skf21("6","3","1","2","3","1","6","1") = "5"
    & skf21("6","3","1","2","3","1","7","1") = "6"
    & skf21("6","3","1","2","3","2","1","1") = "5"
    & skf21("6","3","1","2","3","2","2","1") = "5"
    & skf21("6","3","1","2","3","2","3","1") = "5"
    & skf21("6","3","1","2","3","2","4","1") = "5"
    & skf21("6","3","1","2","3","2","5","1") = "5"
    & skf21("6","3","1","2","3","2","6","1") = "5"
    & skf21("6","3","1","2","3","2","7","1") = "6"
    & skf21("6","3","1","2","3","3","1","1") = "5"
    & skf21("6","3","1","2","3","3","2","1") = "5"
    & skf21("6","3","1","2","3","3","3","1") = "5"
    & skf21("6","3","1","2","3","3","4","1") = "5"
    & skf21("6","3","1","2","3","3","5","1") = "5"
    & skf21("6","3","1","2","3","3","6","1") = "5"
    & skf21("6","3","1","2","3","3","7","1") = "6"
    & skf21("6","3","1","2","3","4","1","1") = "5"
    & skf21("6","3","1","2","3","4","2","1") = "5"
    & skf21("6","3","1","2","3","4","3","1") = "5"
    & skf21("6","3","1","2","3","4","4","1") = "5"
    & skf21("6","3","1","2","3","4","5","1") = "5"
    & skf21("6","3","1","2","3","4","6","1") = "5"
    & skf21("6","3","1","2","3","4","7","1") = "6"
    & skf21("6","3","1","2","3","5","1","1") = "5"
    & skf21("6","3","1","2","3","5","2","1") = "5"
    & skf21("6","3","1","2","3","5","3","1") = "5"
    & skf21("6","3","1","2","3","5","4","1") = "5"
    & skf21("6","3","1","2","3","5","5","1") = "5"
    & skf21("6","3","1","2","3","5","6","1") = "5"
    & skf21("6","3","1","2","3","5","7","1") = "6"
    & skf21("6","3","1","2","3","6","1","1") = "5"
    & skf21("6","3","1","2","3","6","2","1") = "5"
    & skf21("6","3","1","2","3","6","3","1") = "5"
    & skf21("6","3","1","2","3","6","4","1") = "5"
    & skf21("6","3","1","2","3","6","5","1") = "5"
    & skf21("6","3","1","2","3","6","6","1") = "5"
    & skf21("6","3","1","2","3","6","7","1") = "6"
    & skf21("6","3","1","2","3","7","1","1") = "6"
    & skf21("6","3","1","2","3","7","2","1") = "6"
    & skf21("6","3","1","2","3","7","3","1") = "6"
    & skf21("6","3","1","2","3","7","4","1") = "6"
    & skf21("6","3","1","2","3","7","5","1") = "6"
    & skf21("6","3","1","2","3","7","6","1") = "6"
    & skf21("6","3","1","2","3","7","7","1") = "6"
    & skf21("6","3","1","2","4","1","1","1") = "5"
    & skf21("6","3","1","2","4","1","2","1") = "5"
    & skf21("6","3","1","2","4","1","3","1") = "5"
    & skf21("6","3","1","2","4","1","4","1") = "5"
    & skf21("6","3","1","2","4","1","5","1") = "5"
    & skf21("6","3","1","2","4","1","6","1") = "5"
    & skf21("6","3","1","2","4","1","7","1") = "6"
    & skf21("6","3","1","2","4","2","1","1") = "5"
    & skf21("6","3","1","2","4","2","2","1") = "5"
    & skf21("6","3","1","2","4","2","3","1") = "5"
    & skf21("6","3","1","2","4","2","4","1") = "5"
    & skf21("6","3","1","2","4","2","5","1") = "5"
    & skf21("6","3","1","2","4","2","6","1") = "5"
    & skf21("6","3","1","2","4","2","7","1") = "6"
    & skf21("6","3","1","2","4","3","1","1") = "5"
    & skf21("6","3","1","2","4","3","2","1") = "5"
    & skf21("6","3","1","2","4","3","3","1") = "5"
    & skf21("6","3","1","2","4","3","4","1") = "5"
    & skf21("6","3","1","2","4","3","5","1") = "5"
    & skf21("6","3","1","2","4","3","6","1") = "5"
    & skf21("6","3","1","2","4","3","7","1") = "6"
    & skf21("6","3","1","2","4","4","1","1") = "5"
    & skf21("6","3","1","2","4","4","2","1") = "5"
    & skf21("6","3","1","2","4","4","3","1") = "5"
    & skf21("6","3","1","2","4","4","4","1") = "5"
    & skf21("6","3","1","2","4","4","5","1") = "5"
    & skf21("6","3","1","2","4","4","6","1") = "5"
    & skf21("6","3","1","2","4","4","7","1") = "6"
    & skf21("6","3","1","2","4","5","1","1") = "5"
    & skf21("6","3","1","2","4","5","2","1") = "5"
    & skf21("6","3","1","2","4","5","3","1") = "5"
    & skf21("6","3","1","2","4","5","4","1") = "5"
    & skf21("6","3","1","2","4","5","5","1") = "5"
    & skf21("6","3","1","2","4","5","6","1") = "5"
    & skf21("6","3","1","2","4","5","7","1") = "6"
    & skf21("6","3","1","2","4","6","1","1") = "5"
    & skf21("6","3","1","2","4","6","2","1") = "5"
    & skf21("6","3","1","2","4","6","3","1") = "5"
    & skf21("6","3","1","2","4","6","4","1") = "5"
    & skf21("6","3","1","2","4","6","5","1") = "5"
    & skf21("6","3","1","2","4","6","6","1") = "5"
    & skf21("6","3","1","2","4","6","7","1") = "6"
    & skf21("6","3","1","2","4","7","1","1") = "6"
    & skf21("6","3","1","2","4","7","2","1") = "6"
    & skf21("6","3","1","2","4","7","3","1") = "6"
    & skf21("6","3","1","2","4","7","4","1") = "6"
    & skf21("6","3","1","2","4","7","5","1") = "6"
    & skf21("6","3","1","2","4","7","6","1") = "6"
    & skf21("6","3","1","2","4","7","7","1") = "6"
    & skf21("6","3","1","2","5","1","1","1") = "5"
    & skf21("6","3","1","2","5","1","2","1") = "5"
    & skf21("6","3","1","2","5","1","3","1") = "5"
    & skf21("6","3","1","2","5","1","4","1") = "5"
    & skf21("6","3","1","2","5","1","5","1") = "5"
    & skf21("6","3","1","2","5","1","6","1") = "5"
    & skf21("6","3","1","2","5","1","7","1") = "6"
    & skf21("6","3","1","2","5","2","1","1") = "5"
    & skf21("6","3","1","2","5","2","2","1") = "5"
    & skf21("6","3","1","2","5","2","3","1") = "5"
    & skf21("6","3","1","2","5","2","4","1") = "5"
    & skf21("6","3","1","2","5","2","5","1") = "5"
    & skf21("6","3","1","2","5","2","6","1") = "5"
    & skf21("6","3","1","2","5","2","7","1") = "6"
    & skf21("6","3","1","2","5","3","1","1") = "5"
    & skf21("6","3","1","2","5","3","2","1") = "5"
    & skf21("6","3","1","2","5","3","3","1") = "5"
    & skf21("6","3","1","2","5","3","4","1") = "5"
    & skf21("6","3","1","2","5","3","5","1") = "5"
    & skf21("6","3","1","2","5","3","6","1") = "5"
    & skf21("6","3","1","2","5","3","7","1") = "6"
    & skf21("6","3","1","2","5","4","1","1") = "5"
    & skf21("6","3","1","2","5","4","2","1") = "5"
    & skf21("6","3","1","2","5","4","3","1") = "5"
    & skf21("6","3","1","2","5","4","4","1") = "5"
    & skf21("6","3","1","2","5","4","5","1") = "5"
    & skf21("6","3","1","2","5","4","6","1") = "5"
    & skf21("6","3","1","2","5","4","7","1") = "6"
    & skf21("6","3","1","2","5","5","1","1") = "5"
    & skf21("6","3","1","2","5","5","2","1") = "5"
    & skf21("6","3","1","2","5","5","3","1") = "5"
    & skf21("6","3","1","2","5","5","4","1") = "5"
    & skf21("6","3","1","2","5","5","5","1") = "5"
    & skf21("6","3","1","2","5","5","6","1") = "5"
    & skf21("6","3","1","2","5","5","7","1") = "6"
    & skf21("6","3","1","2","5","6","1","1") = "5"
    & skf21("6","3","1","2","5","6","2","1") = "5"
    & skf21("6","3","1","2","5","6","3","1") = "5"
    & skf21("6","3","1","2","5","6","4","1") = "5"
    & skf21("6","3","1","2","5","6","5","1") = "5"
    & skf21("6","3","1","2","5","6","6","1") = "5"
    & skf21("6","3","1","2","5","6","7","1") = "6"
    & skf21("6","3","1","2","5","7","1","1") = "6"
    & skf21("6","3","1","2","5","7","2","1") = "6"
    & skf21("6","3","1","2","5","7","3","1") = "6"
    & skf21("6","3","1","2","5","7","4","1") = "6"
    & skf21("6","3","1","2","5","7","5","1") = "6"
    & skf21("6","3","1","2","5","7","6","1") = "6"
    & skf21("6","3","1","2","5","7","7","1") = "6"
    & skf21("6","3","1","2","6","1","1","1") = "5"
    & skf21("6","3","1","2","6","1","2","1") = "5"
    & skf21("6","3","1","2","6","1","3","1") = "5"
    & skf21("6","3","1","2","6","1","4","1") = "5"
    & skf21("6","3","1","2","6","1","5","1") = "5"
    & skf21("6","3","1","2","6","1","6","1") = "5"
    & skf21("6","3","1","2","6","1","7","1") = "6"
    & skf21("6","3","1","2","6","2","1","1") = "5"
    & skf21("6","3","1","2","6","2","2","1") = "5"
    & skf21("6","3","1","2","6","2","3","1") = "5"
    & skf21("6","3","1","2","6","2","4","1") = "5"
    & skf21("6","3","1","2","6","2","5","1") = "5"
    & skf21("6","3","1","2","6","2","6","1") = "5"
    & skf21("6","3","1","2","6","2","7","1") = "6"
    & skf21("6","3","1","2","6","3","1","1") = "5"
    & skf21("6","3","1","2","6","3","2","1") = "5"
    & skf21("6","3","1","2","6","3","3","1") = "5"
    & skf21("6","3","1","2","6","3","4","1") = "5"
    & skf21("6","3","1","2","6","3","5","1") = "5"
    & skf21("6","3","1","2","6","3","6","1") = "5"
    & skf21("6","3","1","2","6","3","7","1") = "6"
    & skf21("6","3","1","2","6","4","1","1") = "5"
    & skf21("6","3","1","2","6","4","2","1") = "5"
    & skf21("6","3","1","2","6","4","3","1") = "5"
    & skf21("6","3","1","2","6","4","4","1") = "5"
    & skf21("6","3","1","2","6","4","5","1") = "5"
    & skf21("6","3","1","2","6","4","6","1") = "5"
    & skf21("6","3","1","2","6","4","7","1") = "6"
    & skf21("6","3","1","2","6","5","1","1") = "5"
    & skf21("6","3","1","2","6","5","2","1") = "5"
    & skf21("6","3","1","2","6","5","3","1") = "5"
    & skf21("6","3","1","2","6","5","4","1") = "5"
    & skf21("6","3","1","2","6","5","5","1") = "5"
    & skf21("6","3","1","2","6","5","6","1") = "5"
    & skf21("6","3","1","2","6","5","7","1") = "6"
    & skf21("6","3","1","2","6","6","1","1") = "5"
    & skf21("6","3","1","2","6","6","2","1") = "5"
    & skf21("6","3","1","2","6","6","3","1") = "5"
    & skf21("6","3","1","2","6","6","4","1") = "5"
    & skf21("6","3","1","2","6","6","5","1") = "5"
    & skf21("6","3","1","2","6","6","6","1") = "5"
    & skf21("6","3","1","2","6","6","7","1") = "6"
    & skf21("6","3","1","2","6","7","1","1") = "6"
    & skf21("6","3","1","2","6","7","2","1") = "6"
    & skf21("6","3","1","2","6","7","3","1") = "6"
    & skf21("6","3","1","2","6","7","4","1") = "6"
    & skf21("6","3","1","2","6","7","5","1") = "6"
    & skf21("6","3","1","2","6","7","6","1") = "6"
    & skf21("6","3","1","2","6","7","7","1") = "6"
    & skf21("6","3","1","2","7","1","1","1") = "6"
    & skf21("6","3","1","2","7","1","2","1") = "6"
    & skf21("6","3","1","2","7","1","3","1") = "6"
    & skf21("6","3","1","2","7","1","4","1") = "6"
    & skf21("6","3","1","2","7","1","5","1") = "6"
    & skf21("6","3","1","2","7","1","6","1") = "6"
    & skf21("6","3","1","2","7","1","7","1") = "6"
    & skf21("6","3","1","2","7","2","1","1") = "6"
    & skf21("6","3","1","2","7","2","2","1") = "6"
    & skf21("6","3","1","2","7","2","3","1") = "6"
    & skf21("6","3","1","2","7","2","4","1") = "6"
    & skf21("6","3","1","2","7","2","5","1") = "6"
    & skf21("6","3","1","2","7","2","6","1") = "6"
    & skf21("6","3","1","2","7","2","7","1") = "6"
    & skf21("6","3","1","2","7","3","1","1") = "6"
    & skf21("6","3","1","2","7","3","2","1") = "6"
    & skf21("6","3","1","2","7","3","3","1") = "6"
    & skf21("6","3","1","2","7","3","4","1") = "6"
    & skf21("6","3","1","2","7","3","5","1") = "6"
    & skf21("6","3","1","2","7","3","6","1") = "6"
    & skf21("6","3","1","2","7","3","7","1") = "6"
    & skf21("6","3","1","2","7","4","1","1") = "6"
    & skf21("6","3","1","2","7","4","2","1") = "6"
    & skf21("6","3","1","2","7","4","3","1") = "6"
    & skf21("6","3","1","2","7","4","4","1") = "6"
    & skf21("6","3","1","2","7","4","5","1") = "6"
    & skf21("6","3","1","2","7","4","6","1") = "6"
    & skf21("6","3","1","2","7","4","7","1") = "6"
    & skf21("6","3","1","2","7","5","1","1") = "6"
    & skf21("6","3","1","2","7","5","2","1") = "6"
    & skf21("6","3","1","2","7","5","3","1") = "6"
    & skf21("6","3","1","2","7","5","4","1") = "6"
    & skf21("6","3","1","2","7","5","5","1") = "6"
    & skf21("6","3","1","2","7","5","6","1") = "6"
    & skf21("6","3","1","2","7","5","7","1") = "6"
    & skf21("6","3","1","2","7","6","1","1") = "6"
    & skf21("6","3","1","2","7","6","2","1") = "6"
    & skf21("6","3","1","2","7","6","3","1") = "6"
    & skf21("6","3","1","2","7","6","4","1") = "6"
    & skf21("6","3","1","2","7","6","5","1") = "6"
    & skf21("6","3","1","2","7","6","6","1") = "6"
    & skf21("6","3","1","2","7","6","7","1") = "6"
    & skf21("6","3","1","2","7","7","1","1") = "6"
    & skf21("6","3","1","2","7","7","2","1") = "6"
    & skf21("6","3","1","2","7","7","3","1") = "6"
    & skf21("6","3","1","2","7","7","4","1") = "6"
    & skf21("6","3","1","2","7","7","5","1") = "6"
    & skf21("6","3","1","2","7","7","6","1") = "6"
    & skf21("6","3","1","2","7","7","7","1") = "6"
    & skf21("6","3","1","3","1","1","1","1") = "5"
    & skf21("6","3","1","3","1","1","2","1") = "5"
    & skf21("6","3","1","3","1","1","3","1") = "5"
    & skf21("6","3","1","3","1","1","4","1") = "5"
    & skf21("6","3","1","3","1","1","5","1") = "5"
    & skf21("6","3","1","3","1","1","6","1") = "5"
    & skf21("6","3","1","3","1","1","7","1") = "6"
    & skf21("6","3","1","3","1","2","1","1") = "5"
    & skf21("6","3","1","3","1","2","2","1") = "5"
    & skf21("6","3","1","3","1","2","3","1") = "5"
    & skf21("6","3","1","3","1","2","4","1") = "5"
    & skf21("6","3","1","3","1","2","5","1") = "5"
    & skf21("6","3","1","3","1","2","6","1") = "5"
    & skf21("6","3","1","3","1","2","7","1") = "6"
    & skf21("6","3","1","3","1","3","1","1") = "5"
    & skf21("6","3","1","3","1","3","2","1") = "5"
    & skf21("6","3","1","3","1","3","3","1") = "5"
    & skf21("6","3","1","3","1","3","4","1") = "5"
    & skf21("6","3","1","3","1","3","5","1") = "5"
    & skf21("6","3","1","3","1","3","6","1") = "5"
    & skf21("6","3","1","3","1","3","7","1") = "6"
    & skf21("6","3","1","3","1","4","1","1") = "5"
    & skf21("6","3","1","3","1","4","2","1") = "5"
    & skf21("6","3","1","3","1","4","3","1") = "5"
    & skf21("6","3","1","3","1","4","4","1") = "5"
    & skf21("6","3","1","3","1","4","5","1") = "5"
    & skf21("6","3","1","3","1","4","6","1") = "5"
    & skf21("6","3","1","3","1","4","7","1") = "6"
    & skf21("6","3","1","3","1","5","1","1") = "5"
    & skf21("6","3","1","3","1","5","2","1") = "5"
    & skf21("6","3","1","3","1","5","3","1") = "5"
    & skf21("6","3","1","3","1","5","4","1") = "5"
    & skf21("6","3","1","3","1","5","5","1") = "5"
    & skf21("6","3","1","3","1","5","6","1") = "5"
    & skf21("6","3","1","3","1","5","7","1") = "6"
    & skf21("6","3","1","3","1","6","1","1") = "5"
    & skf21("6","3","1","3","1","6","2","1") = "5"
    & skf21("6","3","1","3","1","6","3","1") = "5"
    & skf21("6","3","1","3","1","6","4","1") = "5"
    & skf21("6","3","1","3","1","6","5","1") = "5"
    & skf21("6","3","1","3","1","6","6","1") = "5"
    & skf21("6","3","1","3","1","6","7","1") = "6"
    & skf21("6","3","1","3","1","7","1","1") = "6"
    & skf21("6","3","1","3","1","7","2","1") = "6"
    & skf21("6","3","1","3","1","7","3","1") = "6"
    & skf21("6","3","1","3","1","7","4","1") = "6"
    & skf21("6","3","1","3","1","7","5","1") = "6"
    & skf21("6","3","1","3","1","7","6","1") = "6"
    & skf21("6","3","1","3","1","7","7","1") = "6"
    & skf21("6","3","1","3","2","1","1","1") = "5"
    & skf21("6","3","1","3","2","1","2","1") = "5"
    & skf21("6","3","1","3","2","1","3","1") = "5"
    & skf21("6","3","1","3","2","1","4","1") = "5"
    & skf21("6","3","1","3","2","1","5","1") = "5"
    & skf21("6","3","1","3","2","1","6","1") = "5"
    & skf21("6","3","1","3","2","1","7","1") = "6"
    & skf21("6","3","1","3","2","2","1","1") = "5"
    & skf21("6","3","1","3","2","2","2","1") = "5"
    & skf21("6","3","1","3","2","2","3","1") = "5"
    & skf21("6","3","1","3","2","2","4","1") = "5"
    & skf21("6","3","1","3","2","2","5","1") = "5"
    & skf21("6","3","1","3","2","2","6","1") = "5"
    & skf21("6","3","1","3","2","2","7","1") = "6"
    & skf21("6","3","1","3","2","3","1","1") = "5"
    & skf21("6","3","1","3","2","3","2","1") = "5"
    & skf21("6","3","1","3","2","3","3","1") = "5"
    & skf21("6","3","1","3","2","3","4","1") = "5"
    & skf21("6","3","1","3","2","3","5","1") = "5"
    & skf21("6","3","1","3","2","3","6","1") = "5"
    & skf21("6","3","1","3","2","3","7","1") = "6"
    & skf21("6","3","1","3","2","4","1","1") = "5"
    & skf21("6","3","1","3","2","4","2","1") = "5"
    & skf21("6","3","1","3","2","4","3","1") = "5"
    & skf21("6","3","1","3","2","4","4","1") = "5"
    & skf21("6","3","1","3","2","4","5","1") = "5"
    & skf21("6","3","1","3","2","4","6","1") = "5"
    & skf21("6","3","1","3","2","4","7","1") = "6"
    & skf21("6","3","1","3","2","5","1","1") = "5"
    & skf21("6","3","1","3","2","5","2","1") = "5"
    & skf21("6","3","1","3","2","5","3","1") = "5"
    & skf21("6","3","1","3","2","5","4","1") = "5"
    & skf21("6","3","1","3","2","5","5","1") = "5"
    & skf21("6","3","1","3","2","5","6","1") = "5"
    & skf21("6","3","1","3","2","5","7","1") = "6"
    & skf21("6","3","1","3","2","6","1","1") = "5"
    & skf21("6","3","1","3","2","6","2","1") = "5"
    & skf21("6","3","1","3","2","6","3","1") = "5"
    & skf21("6","3","1","3","2","6","4","1") = "5"
    & skf21("6","3","1","3","2","6","5","1") = "5"
    & skf21("6","3","1","3","2","6","6","1") = "5"
    & skf21("6","3","1","3","2","6","7","1") = "6"
    & skf21("6","3","1","3","2","7","1","1") = "6"
    & skf21("6","3","1","3","2","7","2","1") = "6"
    & skf21("6","3","1","3","2","7","3","1") = "6"
    & skf21("6","3","1","3","2","7","4","1") = "6"
    & skf21("6","3","1","3","2","7","5","1") = "6"
    & skf21("6","3","1","3","2","7","6","1") = "6"
    & skf21("6","3","1","3","2","7","7","1") = "6"
    & skf21("6","3","1","3","3","1","1","1") = "5"
    & skf21("6","3","1","3","3","1","2","1") = "5"
    & skf21("6","3","1","3","3","1","3","1") = "5"
    & skf21("6","3","1","3","3","1","4","1") = "5"
    & skf21("6","3","1","3","3","1","5","1") = "5"
    & skf21("6","3","1","3","3","1","6","1") = "5"
    & skf21("6","3","1","3","3","1","7","1") = "6"
    & skf21("6","3","1","3","3","2","1","1") = "5"
    & skf21("6","3","1","3","3","2","2","1") = "5"
    & skf21("6","3","1","3","3","2","3","1") = "5"
    & skf21("6","3","1","3","3","2","4","1") = "5"
    & skf21("6","3","1","3","3","2","5","1") = "5"
    & skf21("6","3","1","3","3","2","6","1") = "5"
    & skf21("6","3","1","3","3","2","7","1") = "6"
    & skf21("6","3","1","3","3","3","1","1") = "5"
    & skf21("6","3","1","3","3","3","2","1") = "5"
    & skf21("6","3","1","3","3","3","3","1") = "5"
    & skf21("6","3","1","3","3","3","4","1") = "5"
    & skf21("6","3","1","3","3","3","5","1") = "5"
    & skf21("6","3","1","3","3","3","6","1") = "5"
    & skf21("6","3","1","3","3","3","7","1") = "6"
    & skf21("6","3","1","3","3","4","1","1") = "5"
    & skf21("6","3","1","3","3","4","2","1") = "5"
    & skf21("6","3","1","3","3","4","3","1") = "5"
    & skf21("6","3","1","3","3","4","4","1") = "5"
    & skf21("6","3","1","3","3","4","5","1") = "5"
    & skf21("6","3","1","3","3","4","6","1") = "5"
    & skf21("6","3","1","3","3","4","7","1") = "6"
    & skf21("6","3","1","3","3","5","1","1") = "5"
    & skf21("6","3","1","3","3","5","2","1") = "5"
    & skf21("6","3","1","3","3","5","3","1") = "5"
    & skf21("6","3","1","3","3","5","4","1") = "5"
    & skf21("6","3","1","3","3","5","5","1") = "5"
    & skf21("6","3","1","3","3","5","6","1") = "5"
    & skf21("6","3","1","3","3","5","7","1") = "6"
    & skf21("6","3","1","3","3","6","1","1") = "5"
    & skf21("6","3","1","3","3","6","2","1") = "5"
    & skf21("6","3","1","3","3","6","3","1") = "5"
    & skf21("6","3","1","3","3","6","4","1") = "5"
    & skf21("6","3","1","3","3","6","5","1") = "5"
    & skf21("6","3","1","3","3","6","6","1") = "5"
    & skf21("6","3","1","3","3","6","7","1") = "6"
    & skf21("6","3","1","3","3","7","1","1") = "6"
    & skf21("6","3","1","3","3","7","2","1") = "6"
    & skf21("6","3","1","3","3","7","3","1") = "6"
    & skf21("6","3","1","3","3","7","4","1") = "6"
    & skf21("6","3","1","3","3","7","5","1") = "6"
    & skf21("6","3","1","3","3","7","6","1") = "6"
    & skf21("6","3","1","3","3","7","7","1") = "6"
    & skf21("6","3","1","3","4","1","1","1") = "5"
    & skf21("6","3","1","3","4","1","2","1") = "5"
    & skf21("6","3","1","3","4","1","3","1") = "5"
    & skf21("6","3","1","3","4","1","4","1") = "5"
    & skf21("6","3","1","3","4","1","5","1") = "5"
    & skf21("6","3","1","3","4","1","6","1") = "5"
    & skf21("6","3","1","3","4","1","7","1") = "6"
    & skf21("6","3","1","3","4","2","1","1") = "5"
    & skf21("6","3","1","3","4","2","2","1") = "5"
    & skf21("6","3","1","3","4","2","3","1") = "5"
    & skf21("6","3","1","3","4","2","4","1") = "5"
    & skf21("6","3","1","3","4","2","5","1") = "5"
    & skf21("6","3","1","3","4","2","6","1") = "5"
    & skf21("6","3","1","3","4","2","7","1") = "6"
    & skf21("6","3","1","3","4","3","1","1") = "5"
    & skf21("6","3","1","3","4","3","2","1") = "5"
    & skf21("6","3","1","3","4","3","3","1") = "5"
    & skf21("6","3","1","3","4","3","4","1") = "5"
    & skf21("6","3","1","3","4","3","5","1") = "5"
    & skf21("6","3","1","3","4","3","6","1") = "5"
    & skf21("6","3","1","3","4","3","7","1") = "6"
    & skf21("6","3","1","3","4","4","1","1") = "5"
    & skf21("6","3","1","3","4","4","2","1") = "5"
    & skf21("6","3","1","3","4","4","3","1") = "5"
    & skf21("6","3","1","3","4","4","4","1") = "5"
    & skf21("6","3","1","3","4","4","5","1") = "5"
    & skf21("6","3","1","3","4","4","6","1") = "5"
    & skf21("6","3","1","3","4","4","7","1") = "6"
    & skf21("6","3","1","3","4","5","1","1") = "5"
    & skf21("6","3","1","3","4","5","2","1") = "5"
    & skf21("6","3","1","3","4","5","3","1") = "5"
    & skf21("6","3","1","3","4","5","4","1") = "5"
    & skf21("6","3","1","3","4","5","5","1") = "5"
    & skf21("6","3","1","3","4","5","6","1") = "5"
    & skf21("6","3","1","3","4","5","7","1") = "6"
    & skf21("6","3","1","3","4","6","1","1") = "5"
    & skf21("6","3","1","3","4","6","2","1") = "5"
    & skf21("6","3","1","3","4","6","3","1") = "5"
    & skf21("6","3","1","3","4","6","4","1") = "5"
    & skf21("6","3","1","3","4","6","5","1") = "5"
    & skf21("6","3","1","3","4","6","6","1") = "5"
    & skf21("6","3","1","3","4","6","7","1") = "6"
    & skf21("6","3","1","3","4","7","1","1") = "6"
    & skf21("6","3","1","3","4","7","2","1") = "6"
    & skf21("6","3","1","3","4","7","3","1") = "6"
    & skf21("6","3","1","3","4","7","4","1") = "6"
    & skf21("6","3","1","3","4","7","5","1") = "6"
    & skf21("6","3","1","3","4","7","6","1") = "6"
    & skf21("6","3","1","3","4","7","7","1") = "6"
    & skf21("6","3","1","3","5","1","1","1") = "5"
    & skf21("6","3","1","3","5","1","2","1") = "5"
    & skf21("6","3","1","3","5","1","3","1") = "5"
    & skf21("6","3","1","3","5","1","4","1") = "5"
    & skf21("6","3","1","3","5","1","5","1") = "5"
    & skf21("6","3","1","3","5","1","6","1") = "5"
    & skf21("6","3","1","3","5","1","7","1") = "6"
    & skf21("6","3","1","3","5","2","1","1") = "5"
    & skf21("6","3","1","3","5","2","2","1") = "5"
    & skf21("6","3","1","3","5","2","3","1") = "5"
    & skf21("6","3","1","3","5","2","4","1") = "5"
    & skf21("6","3","1","3","5","2","5","1") = "5"
    & skf21("6","3","1","3","5","2","6","1") = "5"
    & skf21("6","3","1","3","5","2","7","1") = "6"
    & skf21("6","3","1","3","5","3","1","1") = "5"
    & skf21("6","3","1","3","5","3","2","1") = "5"
    & skf21("6","3","1","3","5","3","3","1") = "5"
    & skf21("6","3","1","3","5","3","4","1") = "5"
    & skf21("6","3","1","3","5","3","5","1") = "5"
    & skf21("6","3","1","3","5","3","6","1") = "5"
    & skf21("6","3","1","3","5","3","7","1") = "6"
    & skf21("6","3","1","3","5","4","1","1") = "5"
    & skf21("6","3","1","3","5","4","2","1") = "5"
    & skf21("6","3","1","3","5","4","3","1") = "5"
    & skf21("6","3","1","3","5","4","4","1") = "5"
    & skf21("6","3","1","3","5","4","5","1") = "5"
    & skf21("6","3","1","3","5","4","6","1") = "5"
    & skf21("6","3","1","3","5","4","7","1") = "6"
    & skf21("6","3","1","3","5","5","1","1") = "5"
    & skf21("6","3","1","3","5","5","2","1") = "5"
    & skf21("6","3","1","3","5","5","3","1") = "5"
    & skf21("6","3","1","3","5","5","4","1") = "5"
    & skf21("6","3","1","3","5","5","5","1") = "5"
    & skf21("6","3","1","3","5","5","6","1") = "5"
    & skf21("6","3","1","3","5","5","7","1") = "6"
    & skf21("6","3","1","3","5","6","1","1") = "5"
    & skf21("6","3","1","3","5","6","2","1") = "5"
    & skf21("6","3","1","3","5","6","3","1") = "5"
    & skf21("6","3","1","3","5","6","4","1") = "5"
    & skf21("6","3","1","3","5","6","5","1") = "5"
    & skf21("6","3","1","3","5","6","6","1") = "5"
    & skf21("6","3","1","3","5","6","7","1") = "6"
    & skf21("6","3","1","3","5","7","1","1") = "6"
    & skf21("6","3","1","3","5","7","2","1") = "6"
    & skf21("6","3","1","3","5","7","3","1") = "6"
    & skf21("6","3","1","3","5","7","4","1") = "6"
    & skf21("6","3","1","3","5","7","5","1") = "6"
    & skf21("6","3","1","3","5","7","6","1") = "6"
    & skf21("6","3","1","3","5","7","7","1") = "6"
    & skf21("6","3","1","3","6","1","1","1") = "5"
    & skf21("6","3","1","3","6","1","2","1") = "5"
    & skf21("6","3","1","3","6","1","3","1") = "5"
    & skf21("6","3","1","3","6","1","4","1") = "5"
    & skf21("6","3","1","3","6","1","5","1") = "5"
    & skf21("6","3","1","3","6","1","6","1") = "5"
    & skf21("6","3","1","3","6","1","7","1") = "6"
    & skf21("6","3","1","3","6","2","1","1") = "5"
    & skf21("6","3","1","3","6","2","2","1") = "5"
    & skf21("6","3","1","3","6","2","3","1") = "5"
    & skf21("6","3","1","3","6","2","4","1") = "5"
    & skf21("6","3","1","3","6","2","5","1") = "5"
    & skf21("6","3","1","3","6","2","6","1") = "5"
    & skf21("6","3","1","3","6","2","7","1") = "6"
    & skf21("6","3","1","3","6","3","1","1") = "5"
    & skf21("6","3","1","3","6","3","2","1") = "5"
    & skf21("6","3","1","3","6","3","3","1") = "5"
    & skf21("6","3","1","3","6","3","4","1") = "5"
    & skf21("6","3","1","3","6","3","5","1") = "5"
    & skf21("6","3","1","3","6","3","6","1") = "5"
    & skf21("6","3","1","3","6","3","7","1") = "6"
    & skf21("6","3","1","3","6","4","1","1") = "5"
    & skf21("6","3","1","3","6","4","2","1") = "5"
    & skf21("6","3","1","3","6","4","3","1") = "5"
    & skf21("6","3","1","3","6","4","4","1") = "5"
    & skf21("6","3","1","3","6","4","5","1") = "5"
    & skf21("6","3","1","3","6","4","6","1") = "5"
    & skf21("6","3","1","3","6","4","7","1") = "6"
    & skf21("6","3","1","3","6","5","1","1") = "5"
    & skf21("6","3","1","3","6","5","2","1") = "5"
    & skf21("6","3","1","3","6","5","3","1") = "5"
    & skf21("6","3","1","3","6","5","4","1") = "5"
    & skf21("6","3","1","3","6","5","5","1") = "5"
    & skf21("6","3","1","3","6","5","6","1") = "5"
    & skf21("6","3","1","3","6","5","7","1") = "6"
    & skf21("6","3","1","3","6","6","1","1") = "5"
    & skf21("6","3","1","3","6","6","2","1") = "5"
    & skf21("6","3","1","3","6","6","3","1") = "5"
    & skf21("6","3","1","3","6","6","4","1") = "5"
    & skf21("6","3","1","3","6","6","5","1") = "5"
    & skf21("6","3","1","3","6","6","6","1") = "5"
    & skf21("6","3","1","3","6","6","7","1") = "6"
    & skf21("6","3","1","3","6","7","1","1") = "6"
    & skf21("6","3","1","3","6","7","2","1") = "6"
    & skf21("6","3","1","3","6","7","3","1") = "6"
    & skf21("6","3","1","3","6","7","4","1") = "6"
    & skf21("6","3","1","3","6","7","5","1") = "6"
    & skf21("6","3","1","3","6","7","6","1") = "6"
    & skf21("6","3","1","3","6","7","7","1") = "6"
    & skf21("6","3","1","3","7","1","1","1") = "6"
    & skf21("6","3","1","3","7","1","2","1") = "6"
    & skf21("6","3","1","3","7","1","3","1") = "6"
    & skf21("6","3","1","3","7","1","4","1") = "6"
    & skf21("6","3","1","3","7","1","5","1") = "6"
    & skf21("6","3","1","3","7","1","6","1") = "6"
    & skf21("6","3","1","3","7","1","7","1") = "6"
    & skf21("6","3","1","3","7","2","1","1") = "6"
    & skf21("6","3","1","3","7","2","2","1") = "6"
    & skf21("6","3","1","3","7","2","3","1") = "6"
    & skf21("6","3","1","3","7","2","4","1") = "6"
    & skf21("6","3","1","3","7","2","5","1") = "6"
    & skf21("6","3","1","3","7","2","6","1") = "6"
    & skf21("6","3","1","3","7","2","7","1") = "6"
    & skf21("6","3","1","3","7","3","1","1") = "6"
    & skf21("6","3","1","3","7","3","2","1") = "6"
    & skf21("6","3","1","3","7","3","3","1") = "6"
    & skf21("6","3","1","3","7","3","4","1") = "6"
    & skf21("6","3","1","3","7","3","5","1") = "6"
    & skf21("6","3","1","3","7","3","6","1") = "6"
    & skf21("6","3","1","3","7","3","7","1") = "6"
    & skf21("6","3","1","3","7","4","1","1") = "6"
    & skf21("6","3","1","3","7","4","2","1") = "6"
    & skf21("6","3","1","3","7","4","3","1") = "6"
    & skf21("6","3","1","3","7","4","4","1") = "6"
    & skf21("6","3","1","3","7","4","5","1") = "6"
    & skf21("6","3","1","3","7","4","6","1") = "6"
    & skf21("6","3","1","3","7","4","7","1") = "6"
    & skf21("6","3","1","3","7","5","1","1") = "6"
    & skf21("6","3","1","3","7","5","2","1") = "6"
    & skf21("6","3","1","3","7","5","3","1") = "6"
    & skf21("6","3","1","3","7","5","4","1") = "6"
    & skf21("6","3","1","3","7","5","5","1") = "6"
    & skf21("6","3","1","3","7","5","6","1") = "6"
    & skf21("6","3","1","3","7","5","7","1") = "6"
    & skf21("6","3","1","3","7","6","1","1") = "6"
    & skf21("6","3","1","3","7","6","2","1") = "6"
    & skf21("6","3","1","3","7","6","3","1") = "6"
    & skf21("6","3","1","3","7","6","4","1") = "6"
    & skf21("6","3","1","3","7","6","5","1") = "6"
    & skf21("6","3","1","3","7","6","6","1") = "6"
    & skf21("6","3","1","3","7","6","7","1") = "6"
    & skf21("6","3","1","3","7","7","1","1") = "6"
    & skf21("6","3","1","3","7","7","2","1") = "6"
    & skf21("6","3","1","3","7","7","3","1") = "6"
    & skf21("6","3","1","3","7","7","4","1") = "6"
    & skf21("6","3","1","3","7","7","5","1") = "6"
    & skf21("6","3","1","3","7","7","6","1") = "6"
    & skf21("6","3","1","3","7","7","7","1") = "6"
    & skf21("6","3","1","4","1","1","1","1") = "5"
    & skf21("6","3","1","4","1","1","2","1") = "5"
    & skf21("6","3","1","4","1","1","3","1") = "5"
    & skf21("6","3","1","4","1","1","4","1") = "5"
    & skf21("6","3","1","4","1","1","5","1") = "5"
    & skf21("6","3","1","4","1","1","6","1") = "5"
    & skf21("6","3","1","4","1","1","7","1") = "6"
    & skf21("6","3","1","4","1","2","1","1") = "5"
    & skf21("6","3","1","4","1","2","2","1") = "5"
    & skf21("6","3","1","4","1","2","3","1") = "5"
    & skf21("6","3","1","4","1","2","4","1") = "5"
    & skf21("6","3","1","4","1","2","5","1") = "5"
    & skf21("6","3","1","4","1","2","6","1") = "5"
    & skf21("6","3","1","4","1","2","7","1") = "6"
    & skf21("6","3","1","4","1","3","1","1") = "5"
    & skf21("6","3","1","4","1","3","2","1") = "5"
    & skf21("6","3","1","4","1","3","3","1") = "5"
    & skf21("6","3","1","4","1","3","4","1") = "5"
    & skf21("6","3","1","4","1","3","5","1") = "5"
    & skf21("6","3","1","4","1","3","6","1") = "5"
    & skf21("6","3","1","4","1","3","7","1") = "6"
    & skf21("6","3","1","4","1","4","1","1") = "5"
    & skf21("6","3","1","4","1","4","2","1") = "5"
    & skf21("6","3","1","4","1","4","3","1") = "5"
    & skf21("6","3","1","4","1","4","4","1") = "5"
    & skf21("6","3","1","4","1","4","5","1") = "5"
    & skf21("6","3","1","4","1","4","6","1") = "5"
    & skf21("6","3","1","4","1","4","7","1") = "6"
    & skf21("6","3","1","4","1","5","1","1") = "5"
    & skf21("6","3","1","4","1","5","2","1") = "5"
    & skf21("6","3","1","4","1","5","3","1") = "5"
    & skf21("6","3","1","4","1","5","4","1") = "5"
    & skf21("6","3","1","4","1","5","5","1") = "5"
    & skf21("6","3","1","4","1","5","6","1") = "5"
    & skf21("6","3","1","4","1","5","7","1") = "6"
    & skf21("6","3","1","4","1","6","1","1") = "5"
    & skf21("6","3","1","4","1","6","2","1") = "5"
    & skf21("6","3","1","4","1","6","3","1") = "5"
    & skf21("6","3","1","4","1","6","4","1") = "5"
    & skf21("6","3","1","4","1","6","5","1") = "5"
    & skf21("6","3","1","4","1","6","6","1") = "5"
    & skf21("6","3","1","4","1","6","7","1") = "6"
    & skf21("6","3","1","4","1","7","1","1") = "6"
    & skf21("6","3","1","4","1","7","2","1") = "6"
    & skf21("6","3","1","4","1","7","3","1") = "6"
    & skf21("6","3","1","4","1","7","4","1") = "6"
    & skf21("6","3","1","4","1","7","5","1") = "6"
    & skf21("6","3","1","4","1","7","6","1") = "6"
    & skf21("6","3","1","4","1","7","7","1") = "6"
    & skf21("6","3","1","4","2","1","1","1") = "5"
    & skf21("6","3","1","4","2","1","2","1") = "5"
    & skf21("6","3","1","4","2","1","3","1") = "5"
    & skf21("6","3","1","4","2","1","4","1") = "5"
    & skf21("6","3","1","4","2","1","5","1") = "5"
    & skf21("6","3","1","4","2","1","6","1") = "5"
    & skf21("6","3","1","4","2","1","7","1") = "6"
    & skf21("6","3","1","4","2","2","1","1") = "5"
    & skf21("6","3","1","4","2","2","2","1") = "5"
    & skf21("6","3","1","4","2","2","3","1") = "5"
    & skf21("6","3","1","4","2","2","4","1") = "5"
    & skf21("6","3","1","4","2","2","5","1") = "5"
    & skf21("6","3","1","4","2","2","6","1") = "5"
    & skf21("6","3","1","4","2","2","7","1") = "6"
    & skf21("6","3","1","4","2","3","1","1") = "5"
    & skf21("6","3","1","4","2","3","2","1") = "5"
    & skf21("6","3","1","4","2","3","3","1") = "5"
    & skf21("6","3","1","4","2","3","4","1") = "5"
    & skf21("6","3","1","4","2","3","5","1") = "5"
    & skf21("6","3","1","4","2","3","6","1") = "5"
    & skf21("6","3","1","4","2","3","7","1") = "6"
    & skf21("6","3","1","4","2","4","1","1") = "5"
    & skf21("6","3","1","4","2","4","2","1") = "5"
    & skf21("6","3","1","4","2","4","3","1") = "5"
    & skf21("6","3","1","4","2","4","4","1") = "5"
    & skf21("6","3","1","4","2","4","5","1") = "5"
    & skf21("6","3","1","4","2","4","6","1") = "5"
    & skf21("6","3","1","4","2","4","7","1") = "6"
    & skf21("6","3","1","4","2","5","1","1") = "5"
    & skf21("6","3","1","4","2","5","2","1") = "5"
    & skf21("6","3","1","4","2","5","3","1") = "5"
    & skf21("6","3","1","4","2","5","4","1") = "5"
    & skf21("6","3","1","4","2","5","5","1") = "5"
    & skf21("6","3","1","4","2","5","6","1") = "5"
    & skf21("6","3","1","4","2","5","7","1") = "6"
    & skf21("6","3","1","4","2","6","1","1") = "5"
    & skf21("6","3","1","4","2","6","2","1") = "5"
    & skf21("6","3","1","4","2","6","3","1") = "5"
    & skf21("6","3","1","4","2","6","4","1") = "5"
    & skf21("6","3","1","4","2","6","5","1") = "5"
    & skf21("6","3","1","4","2","6","6","1") = "5"
    & skf21("6","3","1","4","2","6","7","1") = "6"
    & skf21("6","3","1","4","2","7","1","1") = "6"
    & skf21("6","3","1","4","2","7","2","1") = "6"
    & skf21("6","3","1","4","2","7","3","1") = "6"
    & skf21("6","3","1","4","2","7","4","1") = "6"
    & skf21("6","3","1","4","2","7","5","1") = "6"
    & skf21("6","3","1","4","2","7","6","1") = "6"
    & skf21("6","3","1","4","2","7","7","1") = "6"
    & skf21("6","3","1","4","3","1","1","1") = "5"
    & skf21("6","3","1","4","3","1","2","1") = "5"
    & skf21("6","3","1","4","3","1","3","1") = "5"
    & skf21("6","3","1","4","3","1","4","1") = "5"
    & skf21("6","3","1","4","3","1","5","1") = "5"
    & skf21("6","3","1","4","3","1","6","1") = "5"
    & skf21("6","3","1","4","3","1","7","1") = "6"
    & skf21("6","3","1","4","3","2","1","1") = "5"
    & skf21("6","3","1","4","3","2","2","1") = "5"
    & skf21("6","3","1","4","3","2","3","1") = "5"
    & skf21("6","3","1","4","3","2","4","1") = "5"
    & skf21("6","3","1","4","3","2","5","1") = "5"
    & skf21("6","3","1","4","3","2","6","1") = "5"
    & skf21("6","3","1","4","3","2","7","1") = "6"
    & skf21("6","3","1","4","3","3","1","1") = "5"
    & skf21("6","3","1","4","3","3","2","1") = "5"
    & skf21("6","3","1","4","3","3","3","1") = "5"
    & skf21("6","3","1","4","3","3","4","1") = "5"
    & skf21("6","3","1","4","3","3","5","1") = "5"
    & skf21("6","3","1","4","3","3","6","1") = "5"
    & skf21("6","3","1","4","3","3","7","1") = "6"
    & skf21("6","3","1","4","3","4","1","1") = "5"
    & skf21("6","3","1","4","3","4","2","1") = "5"
    & skf21("6","3","1","4","3","4","3","1") = "5"
    & skf21("6","3","1","4","3","4","4","1") = "5"
    & skf21("6","3","1","4","3","4","5","1") = "5"
    & skf21("6","3","1","4","3","4","6","1") = "5"
    & skf21("6","3","1","4","3","4","7","1") = "6"
    & skf21("6","3","1","4","3","5","1","1") = "5"
    & skf21("6","3","1","4","3","5","2","1") = "5"
    & skf21("6","3","1","4","3","5","3","1") = "5"
    & skf21("6","3","1","4","3","5","4","1") = "5"
    & skf21("6","3","1","4","3","5","5","1") = "5"
    & skf21("6","3","1","4","3","5","6","1") = "5"
    & skf21("6","3","1","4","3","5","7","1") = "6"
    & skf21("6","3","1","4","3","6","1","1") = "5"
    & skf21("6","3","1","4","3","6","2","1") = "5"
    & skf21("6","3","1","4","3","6","3","1") = "5"
    & skf21("6","3","1","4","3","6","4","1") = "5"
    & skf21("6","3","1","4","3","6","5","1") = "5"
    & skf21("6","3","1","4","3","6","6","1") = "5"
    & skf21("6","3","1","4","3","6","7","1") = "6"
    & skf21("6","3","1","4","3","7","1","1") = "6"
    & skf21("6","3","1","4","3","7","2","1") = "6"
    & skf21("6","3","1","4","3","7","3","1") = "6"
    & skf21("6","3","1","4","3","7","4","1") = "6"
    & skf21("6","3","1","4","3","7","5","1") = "6"
    & skf21("6","3","1","4","3","7","6","1") = "6"
    & skf21("6","3","1","4","3","7","7","1") = "6"
    & skf21("6","3","1","4","4","1","1","1") = "5"
    & skf21("6","3","1","4","4","1","2","1") = "5"
    & skf21("6","3","1","4","4","1","3","1") = "5"
    & skf21("6","3","1","4","4","1","4","1") = "5"
    & skf21("6","3","1","4","4","1","5","1") = "5"
    & skf21("6","3","1","4","4","1","6","1") = "5"
    & skf21("6","3","1","4","4","1","7","1") = "6"
    & skf21("6","3","1","4","4","2","1","1") = "5"
    & skf21("6","3","1","4","4","2","2","1") = "5"
    & skf21("6","3","1","4","4","2","3","1") = "5"
    & skf21("6","3","1","4","4","2","4","1") = "5"
    & skf21("6","3","1","4","4","2","5","1") = "5"
    & skf21("6","3","1","4","4","2","6","1") = "5"
    & skf21("6","3","1","4","4","2","7","1") = "6"
    & skf21("6","3","1","4","4","3","1","1") = "5"
    & skf21("6","3","1","4","4","3","2","1") = "5"
    & skf21("6","3","1","4","4","3","3","1") = "5"
    & skf21("6","3","1","4","4","3","4","1") = "5"
    & skf21("6","3","1","4","4","3","5","1") = "5"
    & skf21("6","3","1","4","4","3","6","1") = "5"
    & skf21("6","3","1","4","4","3","7","1") = "6"
    & skf21("6","3","1","4","4","4","1","1") = "5"
    & skf21("6","3","1","4","4","4","2","1") = "5"
    & skf21("6","3","1","4","4","4","3","1") = "5"
    & skf21("6","3","1","4","4","4","4","1") = "5"
    & skf21("6","3","1","4","4","4","5","1") = "5"
    & skf21("6","3","1","4","4","4","6","1") = "5"
    & skf21("6","3","1","4","4","4","7","1") = "6"
    & skf21("6","3","1","4","4","5","1","1") = "5"
    & skf21("6","3","1","4","4","5","2","1") = "5"
    & skf21("6","3","1","4","4","5","3","1") = "5"
    & skf21("6","3","1","4","4","5","4","1") = "5"
    & skf21("6","3","1","4","4","5","5","1") = "5"
    & skf21("6","3","1","4","4","5","6","1") = "5"
    & skf21("6","3","1","4","4","5","7","1") = "6"
    & skf21("6","3","1","4","4","6","1","1") = "5"
    & skf21("6","3","1","4","4","6","2","1") = "5"
    & skf21("6","3","1","4","4","6","3","1") = "5"
    & skf21("6","3","1","4","4","6","4","1") = "5"
    & skf21("6","3","1","4","4","6","5","1") = "5"
    & skf21("6","3","1","4","4","6","6","1") = "5"
    & skf21("6","3","1","4","4","6","7","1") = "6"
    & skf21("6","3","1","4","4","7","1","1") = "6"
    & skf21("6","3","1","4","4","7","2","1") = "6"
    & skf21("6","3","1","4","4","7","3","1") = "6"
    & skf21("6","3","1","4","4","7","4","1") = "6"
    & skf21("6","3","1","4","4","7","5","1") = "6"
    & skf21("6","3","1","4","4","7","6","1") = "6"
    & skf21("6","3","1","4","4","7","7","1") = "6"
    & skf21("6","3","1","4","5","1","1","1") = "5"
    & skf21("6","3","1","4","5","1","2","1") = "5"
    & skf21("6","3","1","4","5","1","3","1") = "5"
    & skf21("6","3","1","4","5","1","4","1") = "5"
    & skf21("6","3","1","4","5","1","5","1") = "5"
    & skf21("6","3","1","4","5","1","6","1") = "5"
    & skf21("6","3","1","4","5","1","7","1") = "6"
    & skf21("6","3","1","4","5","2","1","1") = "5"
    & skf21("6","3","1","4","5","2","2","1") = "5"
    & skf21("6","3","1","4","5","2","3","1") = "5"
    & skf21("6","3","1","4","5","2","4","1") = "5"
    & skf21("6","3","1","4","5","2","5","1") = "5"
    & skf21("6","3","1","4","5","2","6","1") = "5"
    & skf21("6","3","1","4","5","2","7","1") = "6"
    & skf21("6","3","1","4","5","3","1","1") = "5"
    & skf21("6","3","1","4","5","3","2","1") = "5"
    & skf21("6","3","1","4","5","3","3","1") = "5"
    & skf21("6","3","1","4","5","3","4","1") = "5"
    & skf21("6","3","1","4","5","3","5","1") = "5"
    & skf21("6","3","1","4","5","3","6","1") = "5"
    & skf21("6","3","1","4","5","3","7","1") = "6"
    & skf21("6","3","1","4","5","4","1","1") = "5"
    & skf21("6","3","1","4","5","4","2","1") = "5"
    & skf21("6","3","1","4","5","4","3","1") = "5"
    & skf21("6","3","1","4","5","4","4","1") = "5"
    & skf21("6","3","1","4","5","4","5","1") = "5"
    & skf21("6","3","1","4","5","4","6","1") = "5"
    & skf21("6","3","1","4","5","4","7","1") = "6"
    & skf21("6","3","1","4","5","5","1","1") = "5"
    & skf21("6","3","1","4","5","5","2","1") = "5"
    & skf21("6","3","1","4","5","5","3","1") = "5"
    & skf21("6","3","1","4","5","5","4","1") = "5"
    & skf21("6","3","1","4","5","5","5","1") = "5"
    & skf21("6","3","1","4","5","5","6","1") = "5"
    & skf21("6","3","1","4","5","5","7","1") = "6"
    & skf21("6","3","1","4","5","6","1","1") = "5"
    & skf21("6","3","1","4","5","6","2","1") = "5"
    & skf21("6","3","1","4","5","6","3","1") = "5"
    & skf21("6","3","1","4","5","6","4","1") = "5"
    & skf21("6","3","1","4","5","6","5","1") = "5"
    & skf21("6","3","1","4","5","6","6","1") = "5"
    & skf21("6","3","1","4","5","6","7","1") = "6"
    & skf21("6","3","1","4","5","7","1","1") = "6"
    & skf21("6","3","1","4","5","7","2","1") = "6"
    & skf21("6","3","1","4","5","7","3","1") = "6"
    & skf21("6","3","1","4","5","7","4","1") = "6"
    & skf21("6","3","1","4","5","7","5","1") = "6"
    & skf21("6","3","1","4","5","7","6","1") = "6"
    & skf21("6","3","1","4","5","7","7","1") = "6"
    & skf21("6","3","1","4","6","1","1","1") = "5"
    & skf21("6","3","1","4","6","1","2","1") = "5"
    & skf21("6","3","1","4","6","1","3","1") = "5"
    & skf21("6","3","1","4","6","1","4","1") = "5"
    & skf21("6","3","1","4","6","1","5","1") = "5"
    & skf21("6","3","1","4","6","1","6","1") = "5"
    & skf21("6","3","1","4","6","1","7","1") = "6"
    & skf21("6","3","1","4","6","2","1","1") = "5"
    & skf21("6","3","1","4","6","2","2","1") = "5"
    & skf21("6","3","1","4","6","2","3","1") = "5"
    & skf21("6","3","1","4","6","2","4","1") = "5"
    & skf21("6","3","1","4","6","2","5","1") = "5"
    & skf21("6","3","1","4","6","2","6","1") = "5"
    & skf21("6","3","1","4","6","2","7","1") = "6"
    & skf21("6","3","1","4","6","3","1","1") = "5"
    & skf21("6","3","1","4","6","3","2","1") = "5"
    & skf21("6","3","1","4","6","3","3","1") = "5"
    & skf21("6","3","1","4","6","3","4","1") = "5"
    & skf21("6","3","1","4","6","3","5","1") = "5"
    & skf21("6","3","1","4","6","3","6","1") = "5"
    & skf21("6","3","1","4","6","3","7","1") = "6"
    & skf21("6","3","1","4","6","4","1","1") = "5"
    & skf21("6","3","1","4","6","4","2","1") = "5"
    & skf21("6","3","1","4","6","4","3","1") = "5"
    & skf21("6","3","1","4","6","4","4","1") = "5"
    & skf21("6","3","1","4","6","4","5","1") = "5"
    & skf21("6","3","1","4","6","4","6","1") = "5"
    & skf21("6","3","1","4","6","4","7","1") = "6"
    & skf21("6","3","1","4","6","5","1","1") = "5"
    & skf21("6","3","1","4","6","5","2","1") = "5"
    & skf21("6","3","1","4","6","5","3","1") = "5"
    & skf21("6","3","1","4","6","5","4","1") = "5"
    & skf21("6","3","1","4","6","5","5","1") = "5"
    & skf21("6","3","1","4","6","5","6","1") = "5"
    & skf21("6","3","1","4","6","5","7","1") = "6"
    & skf21("6","3","1","4","6","6","1","1") = "5"
    & skf21("6","3","1","4","6","6","2","1") = "5"
    & skf21("6","3","1","4","6","6","3","1") = "5"
    & skf21("6","3","1","4","6","6","4","1") = "5"
    & skf21("6","3","1","4","6","6","5","1") = "5"
    & skf21("6","3","1","4","6","6","6","1") = "5"
    & skf21("6","3","1","4","6","6","7","1") = "6"
    & skf21("6","3","1","4","6","7","1","1") = "6"
    & skf21("6","3","1","4","6","7","2","1") = "6"
    & skf21("6","3","1","4","6","7","3","1") = "6"
    & skf21("6","3","1","4","6","7","4","1") = "6"
    & skf21("6","3","1","4","6","7","5","1") = "6"
    & skf21("6","3","1","4","6","7","6","1") = "6"
    & skf21("6","3","1","4","6","7","7","1") = "6"
    & skf21("6","3","1","4","7","1","1","1") = "6"
    & skf21("6","3","1","4","7","1","2","1") = "6"
    & skf21("6","3","1","4","7","1","3","1") = "6"
    & skf21("6","3","1","4","7","1","4","1") = "6"
    & skf21("6","3","1","4","7","1","5","1") = "6"
    & skf21("6","3","1","4","7","1","6","1") = "6"
    & skf21("6","3","1","4","7","1","7","1") = "6"
    & skf21("6","3","1","4","7","2","1","1") = "6"
    & skf21("6","3","1","4","7","2","2","1") = "6"
    & skf21("6","3","1","4","7","2","3","1") = "6"
    & skf21("6","3","1","4","7","2","4","1") = "6"
    & skf21("6","3","1","4","7","2","5","1") = "6"
    & skf21("6","3","1","4","7","2","6","1") = "6"
    & skf21("6","3","1","4","7","2","7","1") = "6"
    & skf21("6","3","1","4","7","3","1","1") = "6"
    & skf21("6","3","1","4","7","3","2","1") = "6"
    & skf21("6","3","1","4","7","3","3","1") = "6"
    & skf21("6","3","1","4","7","3","4","1") = "6"
    & skf21("6","3","1","4","7","3","5","1") = "6"
    & skf21("6","3","1","4","7","3","6","1") = "6"
    & skf21("6","3","1","4","7","3","7","1") = "6"
    & skf21("6","3","1","4","7","4","1","1") = "6"
    & skf21("6","3","1","4","7","4","2","1") = "6"
    & skf21("6","3","1","4","7","4","3","1") = "6"
    & skf21("6","3","1","4","7","4","4","1") = "6"
    & skf21("6","3","1","4","7","4","5","1") = "6"
    & skf21("6","3","1","4","7","4","6","1") = "6"
    & skf21("6","3","1","4","7","4","7","1") = "6"
    & skf21("6","3","1","4","7","5","1","1") = "6"
    & skf21("6","3","1","4","7","5","2","1") = "6"
    & skf21("6","3","1","4","7","5","3","1") = "6"
    & skf21("6","3","1","4","7","5","4","1") = "6"
    & skf21("6","3","1","4","7","5","5","1") = "6"
    & skf21("6","3","1","4","7","5","6","1") = "6"
    & skf21("6","3","1","4","7","5","7","1") = "6"
    & skf21("6","3","1","4","7","6","1","1") = "6"
    & skf21("6","3","1","4","7","6","2","1") = "6"
    & skf21("6","3","1","4","7","6","3","1") = "6"
    & skf21("6","3","1","4","7","6","4","1") = "6"
    & skf21("6","3","1","4","7","6","5","1") = "6"
    & skf21("6","3","1","4","7","6","6","1") = "6"
    & skf21("6","3","1","4","7","6","7","1") = "6"
    & skf21("6","3","1","4","7","7","1","1") = "6"
    & skf21("6","3","1","4","7","7","2","1") = "6"
    & skf21("6","3","1","4","7","7","3","1") = "6"
    & skf21("6","3","1","4","7","7","4","1") = "6"
    & skf21("6","3","1","4","7","7","5","1") = "6"
    & skf21("6","3","1","4","7","7","6","1") = "6"
    & skf21("6","3","1","4","7","7","7","1") = "6"
    & skf21("6","3","1","5","1","1","1","1") = "5"
    & skf21("6","3","1","5","1","1","2","1") = "5"
    & skf21("6","3","1","5","1","1","3","1") = "5"
    & skf21("6","3","1","5","1","1","4","1") = "5"
    & skf21("6","3","1","5","1","1","5","1") = "5"
    & skf21("6","3","1","5","1","1","6","1") = "5"
    & skf21("6","3","1","5","1","1","7","1") = "6"
    & skf21("6","3","1","5","1","2","1","1") = "5"
    & skf21("6","3","1","5","1","2","2","1") = "5"
    & skf21("6","3","1","5","1","2","3","1") = "5"
    & skf21("6","3","1","5","1","2","4","1") = "5"
    & skf21("6","3","1","5","1","2","5","1") = "5"
    & skf21("6","3","1","5","1","2","6","1") = "5"
    & skf21("6","3","1","5","1","2","7","1") = "6"
    & skf21("6","3","1","5","1","3","1","1") = "5"
    & skf21("6","3","1","5","1","3","2","1") = "5"
    & skf21("6","3","1","5","1","3","3","1") = "5"
    & skf21("6","3","1","5","1","3","4","1") = "5"
    & skf21("6","3","1","5","1","3","5","1") = "5"
    & skf21("6","3","1","5","1","3","6","1") = "5"
    & skf21("6","3","1","5","1","3","7","1") = "6"
    & skf21("6","3","1","5","1","4","1","1") = "5"
    & skf21("6","3","1","5","1","4","2","1") = "5"
    & skf21("6","3","1","5","1","4","3","1") = "5"
    & skf21("6","3","1","5","1","4","4","1") = "5"
    & skf21("6","3","1","5","1","4","5","1") = "5"
    & skf21("6","3","1","5","1","4","6","1") = "5"
    & skf21("6","3","1","5","1","4","7","1") = "6"
    & skf21("6","3","1","5","1","5","1","1") = "5"
    & skf21("6","3","1","5","1","5","2","1") = "5"
    & skf21("6","3","1","5","1","5","3","1") = "5"
    & skf21("6","3","1","5","1","5","4","1") = "5"
    & skf21("6","3","1","5","1","5","5","1") = "5"
    & skf21("6","3","1","5","1","5","6","1") = "5"
    & skf21("6","3","1","5","1","5","7","1") = "6"
    & skf21("6","3","1","5","1","6","1","1") = "5"
    & skf21("6","3","1","5","1","6","2","1") = "5"
    & skf21("6","3","1","5","1","6","3","1") = "5"
    & skf21("6","3","1","5","1","6","4","1") = "5"
    & skf21("6","3","1","5","1","6","5","1") = "5"
    & skf21("6","3","1","5","1","6","6","1") = "5"
    & skf21("6","3","1","5","1","6","7","1") = "6"
    & skf21("6","3","1","5","1","7","1","1") = "6"
    & skf21("6","3","1","5","1","7","2","1") = "6"
    & skf21("6","3","1","5","1","7","3","1") = "6"
    & skf21("6","3","1","5","1","7","4","1") = "6"
    & skf21("6","3","1","5","1","7","5","1") = "6"
    & skf21("6","3","1","5","1","7","6","1") = "6"
    & skf21("6","3","1","5","1","7","7","1") = "6"
    & skf21("6","3","1","5","2","1","1","1") = "5"
    & skf21("6","3","1","5","2","1","2","1") = "5"
    & skf21("6","3","1","5","2","1","3","1") = "5"
    & skf21("6","3","1","5","2","1","4","1") = "5"
    & skf21("6","3","1","5","2","1","5","1") = "5"
    & skf21("6","3","1","5","2","1","6","1") = "5"
    & skf21("6","3","1","5","2","1","7","1") = "6"
    & skf21("6","3","1","5","2","2","1","1") = "5"
    & skf21("6","3","1","5","2","2","2","1") = "5"
    & skf21("6","3","1","5","2","2","3","1") = "5"
    & skf21("6","3","1","5","2","2","4","1") = "5"
    & skf21("6","3","1","5","2","2","5","1") = "5"
    & skf21("6","3","1","5","2","2","6","1") = "5"
    & skf21("6","3","1","5","2","2","7","1") = "6"
    & skf21("6","3","1","5","2","3","1","1") = "5"
    & skf21("6","3","1","5","2","3","2","1") = "5"
    & skf21("6","3","1","5","2","3","3","1") = "5"
    & skf21("6","3","1","5","2","3","4","1") = "5"
    & skf21("6","3","1","5","2","3","5","1") = "5"
    & skf21("6","3","1","5","2","3","6","1") = "5"
    & skf21("6","3","1","5","2","3","7","1") = "6"
    & skf21("6","3","1","5","2","4","1","1") = "5"
    & skf21("6","3","1","5","2","4","2","1") = "5"
    & skf21("6","3","1","5","2","4","3","1") = "5"
    & skf21("6","3","1","5","2","4","4","1") = "5"
    & skf21("6","3","1","5","2","4","5","1") = "5"
    & skf21("6","3","1","5","2","4","6","1") = "5"
    & skf21("6","3","1","5","2","4","7","1") = "6"
    & skf21("6","3","1","5","2","5","1","1") = "5"
    & skf21("6","3","1","5","2","5","2","1") = "5"
    & skf21("6","3","1","5","2","5","3","1") = "5"
    & skf21("6","3","1","5","2","5","4","1") = "5"
    & skf21("6","3","1","5","2","5","5","1") = "5"
    & skf21("6","3","1","5","2","5","6","1") = "5"
    & skf21("6","3","1","5","2","5","7","1") = "6"
    & skf21("6","3","1","5","2","6","1","1") = "5"
    & skf21("6","3","1","5","2","6","2","1") = "5"
    & skf21("6","3","1","5","2","6","3","1") = "5"
    & skf21("6","3","1","5","2","6","4","1") = "5"
    & skf21("6","3","1","5","2","6","5","1") = "5"
    & skf21("6","3","1","5","2","6","6","1") = "5"
    & skf21("6","3","1","5","2","6","7","1") = "6"
    & skf21("6","3","1","5","2","7","1","1") = "6"
    & skf21("6","3","1","5","2","7","2","1") = "6"
    & skf21("6","3","1","5","2","7","3","1") = "6"
    & skf21("6","3","1","5","2","7","4","1") = "6"
    & skf21("6","3","1","5","2","7","5","1") = "6"
    & skf21("6","3","1","5","2","7","6","1") = "6"
    & skf21("6","3","1","5","2","7","7","1") = "6"
    & skf21("6","3","1","5","3","1","1","1") = "5"
    & skf21("6","3","1","5","3","1","2","1") = "5"
    & skf21("6","3","1","5","3","1","3","1") = "5"
    & skf21("6","3","1","5","3","1","4","1") = "5"
    & skf21("6","3","1","5","3","1","5","1") = "5"
    & skf21("6","3","1","5","3","1","6","1") = "5"
    & skf21("6","3","1","5","3","1","7","1") = "6"
    & skf21("6","3","1","5","3","2","1","1") = "5"
    & skf21("6","3","1","5","3","2","2","1") = "5"
    & skf21("6","3","1","5","3","2","3","1") = "5"
    & skf21("6","3","1","5","3","2","4","1") = "5"
    & skf21("6","3","1","5","3","2","5","1") = "5"
    & skf21("6","3","1","5","3","2","6","1") = "5"
    & skf21("6","3","1","5","3","2","7","1") = "6"
    & skf21("6","3","1","5","3","3","1","1") = "5"
    & skf21("6","3","1","5","3","3","2","1") = "5"
    & skf21("6","3","1","5","3","3","3","1") = "5"
    & skf21("6","3","1","5","3","3","4","1") = "5"
    & skf21("6","3","1","5","3","3","5","1") = "5"
    & skf21("6","3","1","5","3","3","6","1") = "5"
    & skf21("6","3","1","5","3","3","7","1") = "6"
    & skf21("6","3","1","5","3","4","1","1") = "5"
    & skf21("6","3","1","5","3","4","2","1") = "5"
    & skf21("6","3","1","5","3","4","3","1") = "5"
    & skf21("6","3","1","5","3","4","4","1") = "5"
    & skf21("6","3","1","5","3","4","5","1") = "5"
    & skf21("6","3","1","5","3","4","6","1") = "5"
    & skf21("6","3","1","5","3","4","7","1") = "6"
    & skf21("6","3","1","5","3","5","1","1") = "5"
    & skf21("6","3","1","5","3","5","2","1") = "5"
    & skf21("6","3","1","5","3","5","3","1") = "5"
    & skf21("6","3","1","5","3","5","4","1") = "5"
    & skf21("6","3","1","5","3","5","5","1") = "5"
    & skf21("6","3","1","5","3","5","6","1") = "5"
    & skf21("6","3","1","5","3","5","7","1") = "6"
    & skf21("6","3","1","5","3","6","1","1") = "5"
    & skf21("6","3","1","5","3","6","2","1") = "5"
    & skf21("6","3","1","5","3","6","3","1") = "5"
    & skf21("6","3","1","5","3","6","4","1") = "5"
    & skf21("6","3","1","5","3","6","5","1") = "5"
    & skf21("6","3","1","5","3","6","6","1") = "5"
    & skf21("6","3","1","5","3","6","7","1") = "6"
    & skf21("6","3","1","5","3","7","1","1") = "6"
    & skf21("6","3","1","5","3","7","2","1") = "6"
    & skf21("6","3","1","5","3","7","3","1") = "6"
    & skf21("6","3","1","5","3","7","4","1") = "6"
    & skf21("6","3","1","5","3","7","5","1") = "6"
    & skf21("6","3","1","5","3","7","6","1") = "6"
    & skf21("6","3","1","5","3","7","7","1") = "6"
    & skf21("6","3","1","5","4","1","1","1") = "5"
    & skf21("6","3","1","5","4","1","2","1") = "5"
    & skf21("6","3","1","5","4","1","3","1") = "5"
    & skf21("6","3","1","5","4","1","4","1") = "5"
    & skf21("6","3","1","5","4","1","5","1") = "5"
    & skf21("6","3","1","5","4","1","6","1") = "5"
    & skf21("6","3","1","5","4","1","7","1") = "6"
    & skf21("6","3","1","5","4","2","1","1") = "5"
    & skf21("6","3","1","5","4","2","2","1") = "5"
    & skf21("6","3","1","5","4","2","3","1") = "5"
    & skf21("6","3","1","5","4","2","4","1") = "5"
    & skf21("6","3","1","5","4","2","5","1") = "5"
    & skf21("6","3","1","5","4","2","6","1") = "5"
    & skf21("6","3","1","5","4","2","7","1") = "6"
    & skf21("6","3","1","5","4","3","1","1") = "5"
    & skf21("6","3","1","5","4","3","2","1") = "5"
    & skf21("6","3","1","5","4","3","3","1") = "5"
    & skf21("6","3","1","5","4","3","4","1") = "5"
    & skf21("6","3","1","5","4","3","5","1") = "5"
    & skf21("6","3","1","5","4","3","6","1") = "5"
    & skf21("6","3","1","5","4","3","7","1") = "6"
    & skf21("6","3","1","5","4","4","1","1") = "5"
    & skf21("6","3","1","5","4","4","2","1") = "5"
    & skf21("6","3","1","5","4","4","3","1") = "5"
    & skf21("6","3","1","5","4","4","4","1") = "5"
    & skf21("6","3","1","5","4","4","5","1") = "5"
    & skf21("6","3","1","5","4","4","6","1") = "5"
    & skf21("6","3","1","5","4","4","7","1") = "6"
    & skf21("6","3","1","5","4","5","1","1") = "5"
    & skf21("6","3","1","5","4","5","2","1") = "5"
    & skf21("6","3","1","5","4","5","3","1") = "5"
    & skf21("6","3","1","5","4","5","4","1") = "5"
    & skf21("6","3","1","5","4","5","5","1") = "5"
    & skf21("6","3","1","5","4","5","6","1") = "5"
    & skf21("6","3","1","5","4","5","7","1") = "6"
    & skf21("6","3","1","5","4","6","1","1") = "5"
    & skf21("6","3","1","5","4","6","2","1") = "5"
    & skf21("6","3","1","5","4","6","3","1") = "5"
    & skf21("6","3","1","5","4","6","4","1") = "5"
    & skf21("6","3","1","5","4","6","5","1") = "5"
    & skf21("6","3","1","5","4","6","6","1") = "5"
    & skf21("6","3","1","5","4","6","7","1") = "6"
    & skf21("6","3","1","5","4","7","1","1") = "6"
    & skf21("6","3","1","5","4","7","2","1") = "6"
    & skf21("6","3","1","5","4","7","3","1") = "6"
    & skf21("6","3","1","5","4","7","4","1") = "6"
    & skf21("6","3","1","5","4","7","5","1") = "6"
    & skf21("6","3","1","5","4","7","6","1") = "6"
    & skf21("6","3","1","5","4","7","7","1") = "6"
    & skf21("6","3","1","5","5","1","1","1") = "5"
    & skf21("6","3","1","5","5","1","2","1") = "5"
    & skf21("6","3","1","5","5","1","3","1") = "5"
    & skf21("6","3","1","5","5","1","4","1") = "5"
    & skf21("6","3","1","5","5","1","5","1") = "5"
    & skf21("6","3","1","5","5","1","6","1") = "5"
    & skf21("6","3","1","5","5","1","7","1") = "6"
    & skf21("6","3","1","5","5","2","1","1") = "5"
    & skf21("6","3","1","5","5","2","2","1") = "5"
    & skf21("6","3","1","5","5","2","3","1") = "5"
    & skf21("6","3","1","5","5","2","4","1") = "5"
    & skf21("6","3","1","5","5","2","5","1") = "5"
    & skf21("6","3","1","5","5","2","6","1") = "5"
    & skf21("6","3","1","5","5","2","7","1") = "6"
    & skf21("6","3","1","5","5","3","1","1") = "5"
    & skf21("6","3","1","5","5","3","2","1") = "5"
    & skf21("6","3","1","5","5","3","3","1") = "5"
    & skf21("6","3","1","5","5","3","4","1") = "5"
    & skf21("6","3","1","5","5","3","5","1") = "5"
    & skf21("6","3","1","5","5","3","6","1") = "5"
    & skf21("6","3","1","5","5","3","7","1") = "6"
    & skf21("6","3","1","5","5","4","1","1") = "5"
    & skf21("6","3","1","5","5","4","2","1") = "5"
    & skf21("6","3","1","5","5","4","3","1") = "5"
    & skf21("6","3","1","5","5","4","4","1") = "5"
    & skf21("6","3","1","5","5","4","5","1") = "5"
    & skf21("6","3","1","5","5","4","6","1") = "5"
    & skf21("6","3","1","5","5","4","7","1") = "6"
    & skf21("6","3","1","5","5","5","1","1") = "5"
    & skf21("6","3","1","5","5","5","2","1") = "5"
    & skf21("6","3","1","5","5","5","3","1") = "5"
    & skf21("6","3","1","5","5","5","4","1") = "5"
    & skf21("6","3","1","5","5","5","5","1") = "5"
    & skf21("6","3","1","5","5","5","6","1") = "5"
    & skf21("6","3","1","5","5","5","7","1") = "6"
    & skf21("6","3","1","5","5","6","1","1") = "5"
    & skf21("6","3","1","5","5","6","2","1") = "5"
    & skf21("6","3","1","5","5","6","3","1") = "5"
    & skf21("6","3","1","5","5","6","4","1") = "5"
    & skf21("6","3","1","5","5","6","5","1") = "5"
    & skf21("6","3","1","5","5","6","6","1") = "5"
    & skf21("6","3","1","5","5","6","7","1") = "6"
    & skf21("6","3","1","5","5","7","1","1") = "6"
    & skf21("6","3","1","5","5","7","2","1") = "6"
    & skf21("6","3","1","5","5","7","3","1") = "6"
    & skf21("6","3","1","5","5","7","4","1") = "6"
    & skf21("6","3","1","5","5","7","5","1") = "6"
    & skf21("6","3","1","5","5","7","6","1") = "6"
    & skf21("6","3","1","5","5","7","7","1") = "6"
    & skf21("6","3","1","5","6","1","1","1") = "5"
    & skf21("6","3","1","5","6","1","2","1") = "5"
    & skf21("6","3","1","5","6","1","3","1") = "5"
    & skf21("6","3","1","5","6","1","4","1") = "5"
    & skf21("6","3","1","5","6","1","5","1") = "5"
    & skf21("6","3","1","5","6","1","6","1") = "5"
    & skf21("6","3","1","5","6","1","7","1") = "6"
    & skf21("6","3","1","5","6","2","1","1") = "5"
    & skf21("6","3","1","5","6","2","2","1") = "5"
    & skf21("6","3","1","5","6","2","3","1") = "5"
    & skf21("6","3","1","5","6","2","4","1") = "5"
    & skf21("6","3","1","5","6","2","5","1") = "5"
    & skf21("6","3","1","5","6","2","6","1") = "5"
    & skf21("6","3","1","5","6","2","7","1") = "6"
    & skf21("6","3","1","5","6","3","1","1") = "5"
    & skf21("6","3","1","5","6","3","2","1") = "5"
    & skf21("6","3","1","5","6","3","3","1") = "5"
    & skf21("6","3","1","5","6","3","4","1") = "5"
    & skf21("6","3","1","5","6","3","5","1") = "5"
    & skf21("6","3","1","5","6","3","6","1") = "5"
    & skf21("6","3","1","5","6","3","7","1") = "6"
    & skf21("6","3","1","5","6","4","1","1") = "5"
    & skf21("6","3","1","5","6","4","2","1") = "5"
    & skf21("6","3","1","5","6","4","3","1") = "5"
    & skf21("6","3","1","5","6","4","4","1") = "5"
    & skf21("6","3","1","5","6","4","5","1") = "5"
    & skf21("6","3","1","5","6","4","6","1") = "5"
    & skf21("6","3","1","5","6","4","7","1") = "6"
    & skf21("6","3","1","5","6","5","1","1") = "5"
    & skf21("6","3","1","5","6","5","2","1") = "5"
    & skf21("6","3","1","5","6","5","3","1") = "5"
    & skf21("6","3","1","5","6","5","4","1") = "5"
    & skf21("6","3","1","5","6","5","5","1") = "5"
    & skf21("6","3","1","5","6","5","6","1") = "5"
    & skf21("6","3","1","5","6","5","7","1") = "6"
    & skf21("6","3","1","5","6","6","1","1") = "5"
    & skf21("6","3","1","5","6","6","2","1") = "5"
    & skf21("6","3","1","5","6","6","3","1") = "5"
    & skf21("6","3","1","5","6","6","4","1") = "5"
    & skf21("6","3","1","5","6","6","5","1") = "5"
    & skf21("6","3","1","5","6","6","6","1") = "5"
    & skf21("6","3","1","5","6","6","7","1") = "6"
    & skf21("6","3","1","5","6","7","1","1") = "6"
    & skf21("6","3","1","5","6","7","2","1") = "6"
    & skf21("6","3","1","5","6","7","3","1") = "6"
    & skf21("6","3","1","5","6","7","4","1") = "6"
    & skf21("6","3","1","5","6","7","5","1") = "6"
    & skf21("6","3","1","5","6","7","6","1") = "6"
    & skf21("6","3","1","5","6","7","7","1") = "6"
    & skf21("6","3","1","5","7","1","1","1") = "6"
    & skf21("6","3","1","5","7","1","2","1") = "6"
    & skf21("6","3","1","5","7","1","3","1") = "6"
    & skf21("6","3","1","5","7","1","4","1") = "6"
    & skf21("6","3","1","5","7","1","5","1") = "6"
    & skf21("6","3","1","5","7","1","6","1") = "6"
    & skf21("6","3","1","5","7","1","7","1") = "6"
    & skf21("6","3","1","5","7","2","1","1") = "6"
    & skf21("6","3","1","5","7","2","2","1") = "6"
    & skf21("6","3","1","5","7","2","3","1") = "6"
    & skf21("6","3","1","5","7","2","4","1") = "6"
    & skf21("6","3","1","5","7","2","5","1") = "6"
    & skf21("6","3","1","5","7","2","6","1") = "6"
    & skf21("6","3","1","5","7","2","7","1") = "6"
    & skf21("6","3","1","5","7","3","1","1") = "6"
    & skf21("6","3","1","5","7","3","2","1") = "6"
    & skf21("6","3","1","5","7","3","3","1") = "6"
    & skf21("6","3","1","5","7","3","4","1") = "6"
    & skf21("6","3","1","5","7","3","5","1") = "6"
    & skf21("6","3","1","5","7","3","6","1") = "6"
    & skf21("6","3","1","5","7","3","7","1") = "6"
    & skf21("6","3","1","5","7","4","1","1") = "6"
    & skf21("6","3","1","5","7","4","2","1") = "6"
    & skf21("6","3","1","5","7","4","3","1") = "6"
    & skf21("6","3","1","5","7","4","4","1") = "6"
    & skf21("6","3","1","5","7","4","5","1") = "6"
    & skf21("6","3","1","5","7","4","6","1") = "6"
    & skf21("6","3","1","5","7","4","7","1") = "6"
    & skf21("6","3","1","5","7","5","1","1") = "6"
    & skf21("6","3","1","5","7","5","2","1") = "6"
    & skf21("6","3","1","5","7","5","3","1") = "6"
    & skf21("6","3","1","5","7","5","4","1") = "6"
    & skf21("6","3","1","5","7","5","5","1") = "6"
    & skf21("6","3","1","5","7","5","6","1") = "6"
    & skf21("6","3","1","5","7","5","7","1") = "6"
    & skf21("6","3","1","5","7","6","1","1") = "6"
    & skf21("6","3","1","5","7","6","2","1") = "6"
    & skf21("6","3","1","5","7","6","3","1") = "6"
    & skf21("6","3","1","5","7","6","4","1") = "6"
    & skf21("6","3","1","5","7","6","5","1") = "6"
    & skf21("6","3","1","5","7","6","6","1") = "6"
    & skf21("6","3","1","5","7","6","7","1") = "6"
    & skf21("6","3","1","5","7","7","1","1") = "6"
    & skf21("6","3","1","5","7","7","2","1") = "6"
    & skf21("6","3","1","5","7","7","3","1") = "6"
    & skf21("6","3","1","5","7","7","4","1") = "6"
    & skf21("6","3","1","5","7","7","5","1") = "6"
    & skf21("6","3","1","5","7","7","6","1") = "6"
    & skf21("6","3","1","5","7","7","7","1") = "6"
    & skf21("6","3","1","6","1","1","1","1") = "5"
    & skf21("6","3","1","6","1","1","2","1") = "5"
    & skf21("6","3","1","6","1","1","3","1") = "5"
    & skf21("6","3","1","6","1","1","4","1") = "5"
    & skf21("6","3","1","6","1","1","5","1") = "5"
    & skf21("6","3","1","6","1","1","6","1") = "5"
    & skf21("6","3","1","6","1","1","7","1") = "6"
    & skf21("6","3","1","6","1","2","1","1") = "5"
    & skf21("6","3","1","6","1","2","2","1") = "5"
    & skf21("6","3","1","6","1","2","3","1") = "5"
    & skf21("6","3","1","6","1","2","4","1") = "5"
    & skf21("6","3","1","6","1","2","5","1") = "5"
    & skf21("6","3","1","6","1","2","6","1") = "5"
    & skf21("6","3","1","6","1","2","7","1") = "6"
    & skf21("6","3","1","6","1","3","1","1") = "5"
    & skf21("6","3","1","6","1","3","2","1") = "5"
    & skf21("6","3","1","6","1","3","3","1") = "5"
    & skf21("6","3","1","6","1","3","4","1") = "5"
    & skf21("6","3","1","6","1","3","5","1") = "5"
    & skf21("6","3","1","6","1","3","6","1") = "5"
    & skf21("6","3","1","6","1","3","7","1") = "6"
    & skf21("6","3","1","6","1","4","1","1") = "5"
    & skf21("6","3","1","6","1","4","2","1") = "5"
    & skf21("6","3","1","6","1","4","3","1") = "5"
    & skf21("6","3","1","6","1","4","4","1") = "5"
    & skf21("6","3","1","6","1","4","5","1") = "5"
    & skf21("6","3","1","6","1","4","6","1") = "5"
    & skf21("6","3","1","6","1","4","7","1") = "6"
    & skf21("6","3","1","6","1","5","1","1") = "5"
    & skf21("6","3","1","6","1","5","2","1") = "5"
    & skf21("6","3","1","6","1","5","3","1") = "5"
    & skf21("6","3","1","6","1","5","4","1") = "5"
    & skf21("6","3","1","6","1","5","5","1") = "5"
    & skf21("6","3","1","6","1","5","6","1") = "5"
    & skf21("6","3","1","6","1","5","7","1") = "6"
    & skf21("6","3","1","6","1","6","1","1") = "5"
    & skf21("6","3","1","6","1","6","2","1") = "5"
    & skf21("6","3","1","6","1","6","3","1") = "5"
    & skf21("6","3","1","6","1","6","4","1") = "5"
    & skf21("6","3","1","6","1","6","5","1") = "5"
    & skf21("6","3","1","6","1","6","6","1") = "5"
    & skf21("6","3","1","6","1","6","7","1") = "6"
    & skf21("6","3","1","6","1","7","1","1") = "6"
    & skf21("6","3","1","6","1","7","2","1") = "6"
    & skf21("6","3","1","6","1","7","3","1") = "6"
    & skf21("6","3","1","6","1","7","4","1") = "6"
    & skf21("6","3","1","6","1","7","5","1") = "6"
    & skf21("6","3","1","6","1","7","6","1") = "6"
    & skf21("6","3","1","6","1","7","7","1") = "6"
    & skf21("6","3","1","6","2","1","1","1") = "5"
    & skf21("6","3","1","6","2","1","2","1") = "5"
    & skf21("6","3","1","6","2","1","3","1") = "5"
    & skf21("6","3","1","6","2","1","4","1") = "5"
    & skf21("6","3","1","6","2","1","5","1") = "5"
    & skf21("6","3","1","6","2","1","6","1") = "5"
    & skf21("6","3","1","6","2","1","7","1") = "6"
    & skf21("6","3","1","6","2","2","1","1") = "5"
    & skf21("6","3","1","6","2","2","2","1") = "5"
    & skf21("6","3","1","6","2","2","3","1") = "5"
    & skf21("6","3","1","6","2","2","4","1") = "5"
    & skf21("6","3","1","6","2","2","5","1") = "5"
    & skf21("6","3","1","6","2","2","6","1") = "5"
    & skf21("6","3","1","6","2","2","7","1") = "6"
    & skf21("6","3","1","6","2","3","1","1") = "5"
    & skf21("6","3","1","6","2","3","2","1") = "5"
    & skf21("6","3","1","6","2","3","3","1") = "5"
    & skf21("6","3","1","6","2","3","4","1") = "5"
    & skf21("6","3","1","6","2","3","5","1") = "5"
    & skf21("6","3","1","6","2","3","6","1") = "5"
    & skf21("6","3","1","6","2","3","7","1") = "6"
    & skf21("6","3","1","6","2","4","1","1") = "5"
    & skf21("6","3","1","6","2","4","2","1") = "5"
    & skf21("6","3","1","6","2","4","3","1") = "5"
    & skf21("6","3","1","6","2","4","4","1") = "5"
    & skf21("6","3","1","6","2","4","5","1") = "5"
    & skf21("6","3","1","6","2","4","6","1") = "5"
    & skf21("6","3","1","6","2","4","7","1") = "6"
    & skf21("6","3","1","6","2","5","1","1") = "5"
    & skf21("6","3","1","6","2","5","2","1") = "5"
    & skf21("6","3","1","6","2","5","3","1") = "5"
    & skf21("6","3","1","6","2","5","4","1") = "5"
    & skf21("6","3","1","6","2","5","5","1") = "5"
    & skf21("6","3","1","6","2","5","6","1") = "5"
    & skf21("6","3","1","6","2","5","7","1") = "6"
    & skf21("6","3","1","6","2","6","1","1") = "5"
    & skf21("6","3","1","6","2","6","2","1") = "5"
    & skf21("6","3","1","6","2","6","3","1") = "5"
    & skf21("6","3","1","6","2","6","4","1") = "5"
    & skf21("6","3","1","6","2","6","5","1") = "5"
    & skf21("6","3","1","6","2","6","6","1") = "5"
    & skf21("6","3","1","6","2","6","7","1") = "6"
    & skf21("6","3","1","6","2","7","1","1") = "6"
    & skf21("6","3","1","6","2","7","2","1") = "6"
    & skf21("6","3","1","6","2","7","3","1") = "6"
    & skf21("6","3","1","6","2","7","4","1") = "6"
    & skf21("6","3","1","6","2","7","5","1") = "6"
    & skf21("6","3","1","6","2","7","6","1") = "6"
    & skf21("6","3","1","6","2","7","7","1") = "6"
    & skf21("6","3","1","6","3","1","1","1") = "5"
    & skf21("6","3","1","6","3","1","2","1") = "5"
    & skf21("6","3","1","6","3","1","3","1") = "5"
    & skf21("6","3","1","6","3","1","4","1") = "5"
    & skf21("6","3","1","6","3","1","5","1") = "5"
    & skf21("6","3","1","6","3","1","6","1") = "5"
    & skf21("6","3","1","6","3","1","7","1") = "6"
    & skf21("6","3","1","6","3","2","1","1") = "5"
    & skf21("6","3","1","6","3","2","2","1") = "5"
    & skf21("6","3","1","6","3","2","3","1") = "5"
    & skf21("6","3","1","6","3","2","4","1") = "5"
    & skf21("6","3","1","6","3","2","5","1") = "5"
    & skf21("6","3","1","6","3","2","6","1") = "5"
    & skf21("6","3","1","6","3","2","7","1") = "6"
    & skf21("6","3","1","6","3","3","1","1") = "5"
    & skf21("6","3","1","6","3","3","2","1") = "5"
    & skf21("6","3","1","6","3","3","3","1") = "5"
    & skf21("6","3","1","6","3","3","4","1") = "5"
    & skf21("6","3","1","6","3","3","5","1") = "5"
    & skf21("6","3","1","6","3","3","6","1") = "5"
    & skf21("6","3","1","6","3","3","7","1") = "6"
    & skf21("6","3","1","6","3","4","1","1") = "5"
    & skf21("6","3","1","6","3","4","2","1") = "5"
    & skf21("6","3","1","6","3","4","3","1") = "5"
    & skf21("6","3","1","6","3","4","4","1") = "5"
    & skf21("6","3","1","6","3","4","5","1") = "5"
    & skf21("6","3","1","6","3","4","6","1") = "5"
    & skf21("6","3","1","6","3","4","7","1") = "6"
    & skf21("6","3","1","6","3","5","1","1") = "5"
    & skf21("6","3","1","6","3","5","2","1") = "5"
    & skf21("6","3","1","6","3","5","3","1") = "5"
    & skf21("6","3","1","6","3","5","4","1") = "5"
    & skf21("6","3","1","6","3","5","5","1") = "5"
    & skf21("6","3","1","6","3","5","6","1") = "5"
    & skf21("6","3","1","6","3","5","7","1") = "6"
    & skf21("6","3","1","6","3","6","1","1") = "5"
    & skf21("6","3","1","6","3","6","2","1") = "5"
    & skf21("6","3","1","6","3","6","3","1") = "5"
    & skf21("6","3","1","6","3","6","4","1") = "5"
    & skf21("6","3","1","6","3","6","5","1") = "5"
    & skf21("6","3","1","6","3","6","6","1") = "5"
    & skf21("6","3","1","6","3","6","7","1") = "6"
    & skf21("6","3","1","6","3","7","1","1") = "6"
    & skf21("6","3","1","6","3","7","2","1") = "6"
    & skf21("6","3","1","6","3","7","3","1") = "6"
    & skf21("6","3","1","6","3","7","4","1") = "6"
    & skf21("6","3","1","6","3","7","5","1") = "6"
    & skf21("6","3","1","6","3","7","6","1") = "6"
    & skf21("6","3","1","6","3","7","7","1") = "6"
    & skf21("6","3","1","6","4","1","1","1") = "5"
    & skf21("6","3","1","6","4","1","2","1") = "5"
    & skf21("6","3","1","6","4","1","3","1") = "5"
    & skf21("6","3","1","6","4","1","4","1") = "5"
    & skf21("6","3","1","6","4","1","5","1") = "5"
    & skf21("6","3","1","6","4","1","6","1") = "5"
    & skf21("6","3","1","6","4","1","7","1") = "6"
    & skf21("6","3","1","6","4","2","1","1") = "5"
    & skf21("6","3","1","6","4","2","2","1") = "5"
    & skf21("6","3","1","6","4","2","3","1") = "5"
    & skf21("6","3","1","6","4","2","4","1") = "5"
    & skf21("6","3","1","6","4","2","5","1") = "5"
    & skf21("6","3","1","6","4","2","6","1") = "5"
    & skf21("6","3","1","6","4","2","7","1") = "6"
    & skf21("6","3","1","6","4","3","1","1") = "5"
    & skf21("6","3","1","6","4","3","2","1") = "5"
    & skf21("6","3","1","6","4","3","3","1") = "5"
    & skf21("6","3","1","6","4","3","4","1") = "5"
    & skf21("6","3","1","6","4","3","5","1") = "5"
    & skf21("6","3","1","6","4","3","6","1") = "5"
    & skf21("6","3","1","6","4","3","7","1") = "6"
    & skf21("6","3","1","6","4","4","1","1") = "5"
    & skf21("6","3","1","6","4","4","2","1") = "5"
    & skf21("6","3","1","6","4","4","3","1") = "5"
    & skf21("6","3","1","6","4","4","4","1") = "5"
    & skf21("6","3","1","6","4","4","5","1") = "5"
    & skf21("6","3","1","6","4","4","6","1") = "5"
    & skf21("6","3","1","6","4","4","7","1") = "6"
    & skf21("6","3","1","6","4","5","1","1") = "5"
    & skf21("6","3","1","6","4","5","2","1") = "5"
    & skf21("6","3","1","6","4","5","3","1") = "5"
    & skf21("6","3","1","6","4","5","4","1") = "5"
    & skf21("6","3","1","6","4","5","5","1") = "5"
    & skf21("6","3","1","6","4","5","6","1") = "5"
    & skf21("6","3","1","6","4","5","7","1") = "6"
    & skf21("6","3","1","6","4","6","1","1") = "5"
    & skf21("6","3","1","6","4","6","2","1") = "5"
    & skf21("6","3","1","6","4","6","3","1") = "5"
    & skf21("6","3","1","6","4","6","4","1") = "5"
    & skf21("6","3","1","6","4","6","5","1") = "5"
    & skf21("6","3","1","6","4","6","6","1") = "5"
    & skf21("6","3","1","6","4","6","7","1") = "6"
    & skf21("6","3","1","6","4","7","1","1") = "6"
    & skf21("6","3","1","6","4","7","2","1") = "6"
    & skf21("6","3","1","6","4","7","3","1") = "6"
    & skf21("6","3","1","6","4","7","4","1") = "6"
    & skf21("6","3","1","6","4","7","5","1") = "6"
    & skf21("6","3","1","6","4","7","6","1") = "6"
    & skf21("6","3","1","6","4","7","7","1") = "6"
    & skf21("6","3","1","6","5","1","1","1") = "5"
    & skf21("6","3","1","6","5","1","2","1") = "5"
    & skf21("6","3","1","6","5","1","3","1") = "5"
    & skf21("6","3","1","6","5","1","4","1") = "5"
    & skf21("6","3","1","6","5","1","5","1") = "5"
    & skf21("6","3","1","6","5","1","6","1") = "5"
    & skf21("6","3","1","6","5","1","7","1") = "6"
    & skf21("6","3","1","6","5","2","1","1") = "5"
    & skf21("6","3","1","6","5","2","2","1") = "5"
    & skf21("6","3","1","6","5","2","3","1") = "5"
    & skf21("6","3","1","6","5","2","4","1") = "5"
    & skf21("6","3","1","6","5","2","5","1") = "5"
    & skf21("6","3","1","6","5","2","6","1") = "5"
    & skf21("6","3","1","6","5","2","7","1") = "6"
    & skf21("6","3","1","6","5","3","1","1") = "5"
    & skf21("6","3","1","6","5","3","2","1") = "5"
    & skf21("6","3","1","6","5","3","3","1") = "5"
    & skf21("6","3","1","6","5","3","4","1") = "5"
    & skf21("6","3","1","6","5","3","5","1") = "5"
    & skf21("6","3","1","6","5","3","6","1") = "5"
    & skf21("6","3","1","6","5","3","7","1") = "6"
    & skf21("6","3","1","6","5","4","1","1") = "5"
    & skf21("6","3","1","6","5","4","2","1") = "5"
    & skf21("6","3","1","6","5","4","3","1") = "5"
    & skf21("6","3","1","6","5","4","4","1") = "5"
    & skf21("6","3","1","6","5","4","5","1") = "5"
    & skf21("6","3","1","6","5","4","6","1") = "5"
    & skf21("6","3","1","6","5","4","7","1") = "6"
    & skf21("6","3","1","6","5","5","1","1") = "5"
    & skf21("6","3","1","6","5","5","2","1") = "5"
    & skf21("6","3","1","6","5","5","3","1") = "5"
    & skf21("6","3","1","6","5","5","4","1") = "5"
    & skf21("6","3","1","6","5","5","5","1") = "5"
    & skf21("6","3","1","6","5","5","6","1") = "5"
    & skf21("6","3","1","6","5","5","7","1") = "6"
    & skf21("6","3","1","6","5","6","1","1") = "5"
    & skf21("6","3","1","6","5","6","2","1") = "5"
    & skf21("6","3","1","6","5","6","3","1") = "5"
    & skf21("6","3","1","6","5","6","4","1") = "5"
    & skf21("6","3","1","6","5","6","5","1") = "5"
    & skf21("6","3","1","6","5","6","6","1") = "5"
    & skf21("6","3","1","6","5","6","7","1") = "6"
    & skf21("6","3","1","6","5","7","1","1") = "6"
    & skf21("6","3","1","6","5","7","2","1") = "6"
    & skf21("6","3","1","6","5","7","3","1") = "6"
    & skf21("6","3","1","6","5","7","4","1") = "6"
    & skf21("6","3","1","6","5","7","5","1") = "6"
    & skf21("6","3","1","6","5","7","6","1") = "6"
    & skf21("6","3","1","6","5","7","7","1") = "6"
    & skf21("6","3","1","6","6","1","1","1") = "5"
    & skf21("6","3","1","6","6","1","2","1") = "5"
    & skf21("6","3","1","6","6","1","3","1") = "5"
    & skf21("6","3","1","6","6","1","4","1") = "5"
    & skf21("6","3","1","6","6","1","5","1") = "5"
    & skf21("6","3","1","6","6","1","6","1") = "5"
    & skf21("6","3","1","6","6","1","7","1") = "6"
    & skf21("6","3","1","6","6","2","1","1") = "5"
    & skf21("6","3","1","6","6","2","2","1") = "5"
    & skf21("6","3","1","6","6","2","3","1") = "5"
    & skf21("6","3","1","6","6","2","4","1") = "5"
    & skf21("6","3","1","6","6","2","5","1") = "5"
    & skf21("6","3","1","6","6","2","6","1") = "5"
    & skf21("6","3","1","6","6","2","7","1") = "6"
    & skf21("6","3","1","6","6","3","1","1") = "5"
    & skf21("6","3","1","6","6","3","2","1") = "5"
    & skf21("6","3","1","6","6","3","3","1") = "5"
    & skf21("6","3","1","6","6","3","4","1") = "5"
    & skf21("6","3","1","6","6","3","5","1") = "5"
    & skf21("6","3","1","6","6","3","6","1") = "5"
    & skf21("6","3","1","6","6","3","7","1") = "6"
    & skf21("6","3","1","6","6","4","1","1") = "5"
    & skf21("6","3","1","6","6","4","2","1") = "5"
    & skf21("6","3","1","6","6","4","3","1") = "5"
    & skf21("6","3","1","6","6","4","4","1") = "5"
    & skf21("6","3","1","6","6","4","5","1") = "5"
    & skf21("6","3","1","6","6","4","6","1") = "5"
    & skf21("6","3","1","6","6","4","7","1") = "6"
    & skf21("6","3","1","6","6","5","1","1") = "5"
    & skf21("6","3","1","6","6","5","2","1") = "5"
    & skf21("6","3","1","6","6","5","3","1") = "5"
    & skf21("6","3","1","6","6","5","4","1") = "5"
    & skf21("6","3","1","6","6","5","5","1") = "5"
    & skf21("6","3","1","6","6","5","6","1") = "5"
    & skf21("6","3","1","6","6","5","7","1") = "6"
    & skf21("6","3","1","6","6","6","1","1") = "5"
    & skf21("6","3","1","6","6","6","2","1") = "5"
    & skf21("6","3","1","6","6","6","3","1") = "5"
    & skf21("6","3","1","6","6","6","4","1") = "5"
    & skf21("6","3","1","6","6","6","5","1") = "5"
    & skf21("6","3","1","6","6","6","6","1") = "5"
    & skf21("6","3","1","6","6","6","7","1") = "6"
    & skf21("6","3","1","6","6","7","1","1") = "6"
    & skf21("6","3","1","6","6","7","2","1") = "6"
    & skf21("6","3","1","6","6","7","3","1") = "6"
    & skf21("6","3","1","6","6","7","4","1") = "6"
    & skf21("6","3","1","6","6","7","5","1") = "6"
    & skf21("6","3","1","6","6","7","6","1") = "6"
    & skf21("6","3","1","6","6","7","7","1") = "6"
    & skf21("6","3","1","6","7","1","1","1") = "6"
    & skf21("6","3","1","6","7","1","2","1") = "6"
    & skf21("6","3","1","6","7","1","3","1") = "6"
    & skf21("6","3","1","6","7","1","4","1") = "6"
    & skf21("6","3","1","6","7","1","5","1") = "6"
    & skf21("6","3","1","6","7","1","6","1") = "6"
    & skf21("6","3","1","6","7","1","7","1") = "6"
    & skf21("6","3","1","6","7","2","1","1") = "6"
    & skf21("6","3","1","6","7","2","2","1") = "6"
    & skf21("6","3","1","6","7","2","3","1") = "6"
    & skf21("6","3","1","6","7","2","4","1") = "6"
    & skf21("6","3","1","6","7","2","5","1") = "6"
    & skf21("6","3","1","6","7","2","6","1") = "6"
    & skf21("6","3","1","6","7","2","7","1") = "6"
    & skf21("6","3","1","6","7","3","1","1") = "6"
    & skf21("6","3","1","6","7","3","2","1") = "6"
    & skf21("6","3","1","6","7","3","3","1") = "6"
    & skf21("6","3","1","6","7","3","4","1") = "6"
    & skf21("6","3","1","6","7","3","5","1") = "6"
    & skf21("6","3","1","6","7","3","6","1") = "6"
    & skf21("6","3","1","6","7","3","7","1") = "6"
    & skf21("6","3","1","6","7","4","1","1") = "6"
    & skf21("6","3","1","6","7","4","2","1") = "6"
    & skf21("6","3","1","6","7","4","3","1") = "6"
    & skf21("6","3","1","6","7","4","4","1") = "6"
    & skf21("6","3","1","6","7","4","5","1") = "6"
    & skf21("6","3","1","6","7","4","6","1") = "6"
    & skf21("6","3","1","6","7","4","7","1") = "6"
    & skf21("6","3","1","6","7","5","1","1") = "6"
    & skf21("6","3","1","6","7","5","2","1") = "6"
    & skf21("6","3","1","6","7","5","3","1") = "6"
    & skf21("6","3","1","6","7","5","4","1") = "6"
    & skf21("6","3","1","6","7","5","5","1") = "6"
    & skf21("6","3","1","6","7","5","6","1") = "6"
    & skf21("6","3","1","6","7","5","7","1") = "6"
    & skf21("6","3","1","6","7","6","1","1") = "6"
    & skf21("6","3","1","6","7","6","2","1") = "6"
    & skf21("6","3","1","6","7","6","3","1") = "6"
    & skf21("6","3","1","6","7","6","4","1") = "6"
    & skf21("6","3","1","6","7","6","5","1") = "6"
    & skf21("6","3","1","6","7","6","6","1") = "6"
    & skf21("6","3","1","6","7","6","7","1") = "6"
    & skf21("6","3","1","6","7","7","1","1") = "6"
    & skf21("6","3","1","6","7","7","2","1") = "6"
    & skf21("6","3","1","6","7","7","3","1") = "6"
    & skf21("6","3","1","6","7","7","4","1") = "6"
    & skf21("6","3","1","6","7","7","5","1") = "6"
    & skf21("6","3","1","6","7","7","6","1") = "6"
    & skf21("6","3","1","6","7","7","7","1") = "6"
    & skf21("6","3","1","7","1","1","1","1") = "6"
    & skf21("6","3","1","7","1","1","2","1") = "6"
    & skf21("6","3","1","7","1","1","3","1") = "6"
    & skf21("6","3","1","7","1","1","4","1") = "6"
    & skf21("6","3","1","7","1","1","5","1") = "6"
    & skf21("6","3","1","7","1","1","6","1") = "6"
    & skf21("6","3","1","7","1","1","7","1") = "6"
    & skf21("6","3","1","7","1","2","1","1") = "6"
    & skf21("6","3","1","7","1","2","2","1") = "6"
    & skf21("6","3","1","7","1","2","3","1") = "6"
    & skf21("6","3","1","7","1","2","4","1") = "6"
    & skf21("6","3","1","7","1","2","5","1") = "6"
    & skf21("6","3","1","7","1","2","6","1") = "6"
    & skf21("6","3","1","7","1","2","7","1") = "6"
    & skf21("6","3","1","7","1","3","1","1") = "6"
    & skf21("6","3","1","7","1","3","2","1") = "6"
    & skf21("6","3","1","7","1","3","3","1") = "6"
    & skf21("6","3","1","7","1","3","4","1") = "6"
    & skf21("6","3","1","7","1","3","5","1") = "6"
    & skf21("6","3","1","7","1","3","6","1") = "6"
    & skf21("6","3","1","7","1","3","7","1") = "6"
    & skf21("6","3","1","7","1","4","1","1") = "6"
    & skf21("6","3","1","7","1","4","2","1") = "6"
    & skf21("6","3","1","7","1","4","3","1") = "6"
    & skf21("6","3","1","7","1","4","4","1") = "6"
    & skf21("6","3","1","7","1","4","5","1") = "6"
    & skf21("6","3","1","7","1","4","6","1") = "6"
    & skf21("6","3","1","7","1","4","7","1") = "6"
    & skf21("6","3","1","7","1","5","1","1") = "6"
    & skf21("6","3","1","7","1","5","2","1") = "6"
    & skf21("6","3","1","7","1","5","3","1") = "6"
    & skf21("6","3","1","7","1","5","4","1") = "6"
    & skf21("6","3","1","7","1","5","5","1") = "6"
    & skf21("6","3","1","7","1","5","6","1") = "6"
    & skf21("6","3","1","7","1","5","7","1") = "6"
    & skf21("6","3","1","7","1","6","1","1") = "6"
    & skf21("6","3","1","7","1","6","2","1") = "6"
    & skf21("6","3","1","7","1","6","3","1") = "6"
    & skf21("6","3","1","7","1","6","4","1") = "6"
    & skf21("6","3","1","7","1","6","5","1") = "6"
    & skf21("6","3","1","7","1","6","6","1") = "6"
    & skf21("6","3","1","7","1","6","7","1") = "6"
    & skf21("6","3","1","7","1","7","1","1") = "6"
    & skf21("6","3","1","7","1","7","2","1") = "6"
    & skf21("6","3","1","7","1","7","3","1") = "6"
    & skf21("6","3","1","7","1","7","4","1") = "6"
    & skf21("6","3","1","7","1","7","5","1") = "6"
    & skf21("6","3","1","7","1","7","6","1") = "6"
    & skf21("6","3","1","7","1","7","7","1") = "6"
    & skf21("6","3","1","7","2","1","1","1") = "6"
    & skf21("6","3","1","7","2","1","2","1") = "6"
    & skf21("6","3","1","7","2","1","3","1") = "6"
    & skf21("6","3","1","7","2","1","4","1") = "6"
    & skf21("6","3","1","7","2","1","5","1") = "6"
    & skf21("6","3","1","7","2","1","6","1") = "6"
    & skf21("6","3","1","7","2","1","7","1") = "6"
    & skf21("6","3","1","7","2","2","1","1") = "6"
    & skf21("6","3","1","7","2","2","2","1") = "6"
    & skf21("6","3","1","7","2","2","3","1") = "6"
    & skf21("6","3","1","7","2","2","4","1") = "6"
    & skf21("6","3","1","7","2","2","5","1") = "6"
    & skf21("6","3","1","7","2","2","6","1") = "6"
    & skf21("6","3","1","7","2","2","7","1") = "6"
    & skf21("6","3","1","7","2","3","1","1") = "6"
    & skf21("6","3","1","7","2","3","2","1") = "6"
    & skf21("6","3","1","7","2","3","3","1") = "6"
    & skf21("6","3","1","7","2","3","4","1") = "6"
    & skf21("6","3","1","7","2","3","5","1") = "6"
    & skf21("6","3","1","7","2","3","6","1") = "6"
    & skf21("6","3","1","7","2","3","7","1") = "6"
    & skf21("6","3","1","7","2","4","1","1") = "6"
    & skf21("6","3","1","7","2","4","2","1") = "6"
    & skf21("6","3","1","7","2","4","3","1") = "6"
    & skf21("6","3","1","7","2","4","4","1") = "6"
    & skf21("6","3","1","7","2","4","5","1") = "6"
    & skf21("6","3","1","7","2","4","6","1") = "6"
    & skf21("6","3","1","7","2","4","7","1") = "6"
    & skf21("6","3","1","7","2","5","1","1") = "6"
    & skf21("6","3","1","7","2","5","2","1") = "6"
    & skf21("6","3","1","7","2","5","3","1") = "6"
    & skf21("6","3","1","7","2","5","4","1") = "6"
    & skf21("6","3","1","7","2","5","5","1") = "6"
    & skf21("6","3","1","7","2","5","6","1") = "6"
    & skf21("6","3","1","7","2","5","7","1") = "6"
    & skf21("6","3","1","7","2","6","1","1") = "6"
    & skf21("6","3","1","7","2","6","2","1") = "6"
    & skf21("6","3","1","7","2","6","3","1") = "6"
    & skf21("6","3","1","7","2","6","4","1") = "6"
    & skf21("6","3","1","7","2","6","5","1") = "6"
    & skf21("6","3","1","7","2","6","6","1") = "6"
    & skf21("6","3","1","7","2","6","7","1") = "6"
    & skf21("6","3","1","7","2","7","1","1") = "6"
    & skf21("6","3","1","7","2","7","2","1") = "6"
    & skf21("6","3","1","7","2","7","3","1") = "6"
    & skf21("6","3","1","7","2","7","4","1") = "6"
    & skf21("6","3","1","7","2","7","5","1") = "6"
    & skf21("6","3","1","7","2","7","6","1") = "6"
    & skf21("6","3","1","7","2","7","7","1") = "6"
    & skf21("6","3","1","7","3","1","1","1") = "6"
    & skf21("6","3","1","7","3","1","2","1") = "6"
    & skf21("6","3","1","7","3","1","3","1") = "6"
    & skf21("6","3","1","7","3","1","4","1") = "6"
    & skf21("6","3","1","7","3","1","5","1") = "6"
    & skf21("6","3","1","7","3","1","6","1") = "6"
    & skf21("6","3","1","7","3","1","7","1") = "6"
    & skf21("6","3","1","7","3","2","1","1") = "6"
    & skf21("6","3","1","7","3","2","2","1") = "6"
    & skf21("6","3","1","7","3","2","3","1") = "6"
    & skf21("6","3","1","7","3","2","4","1") = "6"
    & skf21("6","3","1","7","3","2","5","1") = "6"
    & skf21("6","3","1","7","3","2","6","1") = "6"
    & skf21("6","3","1","7","3","2","7","1") = "6"
    & skf21("6","3","1","7","3","3","1","1") = "6"
    & skf21("6","3","1","7","3","3","2","1") = "6"
    & skf21("6","3","1","7","3","3","3","1") = "6"
    & skf21("6","3","1","7","3","3","4","1") = "6"
    & skf21("6","3","1","7","3","3","5","1") = "6"
    & skf21("6","3","1","7","3","3","6","1") = "6"
    & skf21("6","3","1","7","3","3","7","1") = "6"
    & skf21("6","3","1","7","3","4","1","1") = "6"
    & skf21("6","3","1","7","3","4","2","1") = "6"
    & skf21("6","3","1","7","3","4","3","1") = "6"
    & skf21("6","3","1","7","3","4","4","1") = "6"
    & skf21("6","3","1","7","3","4","5","1") = "6"
    & skf21("6","3","1","7","3","4","6","1") = "6"
    & skf21("6","3","1","7","3","4","7","1") = "6"
    & skf21("6","3","1","7","3","5","1","1") = "6"
    & skf21("6","3","1","7","3","5","2","1") = "6"
    & skf21("6","3","1","7","3","5","3","1") = "6"
    & skf21("6","3","1","7","3","5","4","1") = "6"
    & skf21("6","3","1","7","3","5","5","1") = "6"
    & skf21("6","3","1","7","3","5","6","1") = "6"
    & skf21("6","3","1","7","3","5","7","1") = "6"
    & skf21("6","3","1","7","3","6","1","1") = "6"
    & skf21("6","3","1","7","3","6","2","1") = "6"
    & skf21("6","3","1","7","3","6","3","1") = "6"
    & skf21("6","3","1","7","3","6","4","1") = "6"
    & skf21("6","3","1","7","3","6","5","1") = "6"
    & skf21("6","3","1","7","3","6","6","1") = "6"
    & skf21("6","3","1","7","3","6","7","1") = "6"
    & skf21("6","3","1","7","3","7","1","1") = "6"
    & skf21("6","3","1","7","3","7","2","1") = "6"
    & skf21("6","3","1","7","3","7","3","1") = "6"
    & skf21("6","3","1","7","3","7","4","1") = "6"
    & skf21("6","3","1","7","3","7","5","1") = "6"
    & skf21("6","3","1","7","3","7","6","1") = "6"
    & skf21("6","3","1","7","3","7","7","1") = "6"
    & skf21("6","3","1","7","4","1","1","1") = "6"
    & skf21("6","3","1","7","4","1","2","1") = "6"
    & skf21("6","3","1","7","4","1","3","1") = "6"
    & skf21("6","3","1","7","4","1","4","1") = "6"
    & skf21("6","3","1","7","4","1","5","1") = "6"
    & skf21("6","3","1","7","4","1","6","1") = "6"
    & skf21("6","3","1","7","4","1","7","1") = "6"
    & skf21("6","3","1","7","4","2","1","1") = "6"
    & skf21("6","3","1","7","4","2","2","1") = "6"
    & skf21("6","3","1","7","4","2","3","1") = "6"
    & skf21("6","3","1","7","4","2","4","1") = "6"
    & skf21("6","3","1","7","4","2","5","1") = "6"
    & skf21("6","3","1","7","4","2","6","1") = "6"
    & skf21("6","3","1","7","4","2","7","1") = "6"
    & skf21("6","3","1","7","4","3","1","1") = "6"
    & skf21("6","3","1","7","4","3","2","1") = "6"
    & skf21("6","3","1","7","4","3","3","1") = "6"
    & skf21("6","3","1","7","4","3","4","1") = "6"
    & skf21("6","3","1","7","4","3","5","1") = "6"
    & skf21("6","3","1","7","4","3","6","1") = "6"
    & skf21("6","3","1","7","4","3","7","1") = "6"
    & skf21("6","3","1","7","4","4","1","1") = "6"
    & skf21("6","3","1","7","4","4","2","1") = "6"
    & skf21("6","3","1","7","4","4","3","1") = "6"
    & skf21("6","3","1","7","4","4","4","1") = "6"
    & skf21("6","3","1","7","4","4","5","1") = "6"
    & skf21("6","3","1","7","4","4","6","1") = "6"
    & skf21("6","3","1","7","4","4","7","1") = "6"
    & skf21("6","3","1","7","4","5","1","1") = "6"
    & skf21("6","3","1","7","4","5","2","1") = "6"
    & skf21("6","3","1","7","4","5","3","1") = "6"
    & skf21("6","3","1","7","4","5","4","1") = "6"
    & skf21("6","3","1","7","4","5","5","1") = "6"
    & skf21("6","3","1","7","4","5","6","1") = "6"
    & skf21("6","3","1","7","4","5","7","1") = "6"
    & skf21("6","3","1","7","4","6","1","1") = "6"
    & skf21("6","3","1","7","4","6","2","1") = "6"
    & skf21("6","3","1","7","4","6","3","1") = "6"
    & skf21("6","3","1","7","4","6","4","1") = "6"
    & skf21("6","3","1","7","4","6","5","1") = "6"
    & skf21("6","3","1","7","4","6","6","1") = "6"
    & skf21("6","3","1","7","4","6","7","1") = "6"
    & skf21("6","3","1","7","4","7","1","1") = "6"
    & skf21("6","3","1","7","4","7","2","1") = "6"
    & skf21("6","3","1","7","4","7","3","1") = "6"
    & skf21("6","3","1","7","4","7","4","1") = "6"
    & skf21("6","3","1","7","4","7","5","1") = "6"
    & skf21("6","3","1","7","4","7","6","1") = "6"
    & skf21("6","3","1","7","4","7","7","1") = "6"
    & skf21("6","3","1","7","5","1","1","1") = "6"
    & skf21("6","3","1","7","5","1","2","1") = "6"
    & skf21("6","3","1","7","5","1","3","1") = "6"
    & skf21("6","3","1","7","5","1","4","1") = "6"
    & skf21("6","3","1","7","5","1","5","1") = "6"
    & skf21("6","3","1","7","5","1","6","1") = "6"
    & skf21("6","3","1","7","5","1","7","1") = "6"
    & skf21("6","3","1","7","5","2","1","1") = "6"
    & skf21("6","3","1","7","5","2","2","1") = "6"
    & skf21("6","3","1","7","5","2","3","1") = "6"
    & skf21("6","3","1","7","5","2","4","1") = "6"
    & skf21("6","3","1","7","5","2","5","1") = "6"
    & skf21("6","3","1","7","5","2","6","1") = "6"
    & skf21("6","3","1","7","5","2","7","1") = "6"
    & skf21("6","3","1","7","5","3","1","1") = "6"
    & skf21("6","3","1","7","5","3","2","1") = "6"
    & skf21("6","3","1","7","5","3","3","1") = "6"
    & skf21("6","3","1","7","5","3","4","1") = "6"
    & skf21("6","3","1","7","5","3","5","1") = "6"
    & skf21("6","3","1","7","5","3","6","1") = "6"
    & skf21("6","3","1","7","5","3","7","1") = "6"
    & skf21("6","3","1","7","5","4","1","1") = "6"
    & skf21("6","3","1","7","5","4","2","1") = "6"
    & skf21("6","3","1","7","5","4","3","1") = "6"
    & skf21("6","3","1","7","5","4","4","1") = "6"
    & skf21("6","3","1","7","5","4","5","1") = "6"
    & skf21("6","3","1","7","5","4","6","1") = "6"
    & skf21("6","3","1","7","5","4","7","1") = "6"
    & skf21("6","3","1","7","5","5","1","1") = "6"
    & skf21("6","3","1","7","5","5","2","1") = "6"
    & skf21("6","3","1","7","5","5","3","1") = "6"
    & skf21("6","3","1","7","5","5","4","1") = "6"
    & skf21("6","3","1","7","5","5","5","1") = "6"
    & skf21("6","3","1","7","5","5","6","1") = "6"
    & skf21("6","3","1","7","5","5","7","1") = "6"
    & skf21("6","3","1","7","5","6","1","1") = "6"
    & skf21("6","3","1","7","5","6","2","1") = "6"
    & skf21("6","3","1","7","5","6","3","1") = "6"
    & skf21("6","3","1","7","5","6","4","1") = "6"
    & skf21("6","3","1","7","5","6","5","1") = "6"
    & skf21("6","3","1","7","5","6","6","1") = "6"
    & skf21("6","3","1","7","5","6","7","1") = "6"
    & skf21("6","3","1","7","5","7","1","1") = "6"
    & skf21("6","3","1","7","5","7","2","1") = "6"
    & skf21("6","3","1","7","5","7","3","1") = "6"
    & skf21("6","3","1","7","5","7","4","1") = "6"
    & skf21("6","3","1","7","5","7","5","1") = "6"
    & skf21("6","3","1","7","5","7","6","1") = "6"
    & skf21("6","3","1","7","5","7","7","1") = "6"
    & skf21("6","3","1","7","6","1","1","1") = "6"
    & skf21("6","3","1","7","6","1","2","1") = "6"
    & skf21("6","3","1","7","6","1","3","1") = "6"
    & skf21("6","3","1","7","6","1","4","1") = "6"
    & skf21("6","3","1","7","6","1","5","1") = "6"
    & skf21("6","3","1","7","6","1","6","1") = "6"
    & skf21("6","3","1","7","6","1","7","1") = "6"
    & skf21("6","3","1","7","6","2","1","1") = "6"
    & skf21("6","3","1","7","6","2","2","1") = "6"
    & skf21("6","3","1","7","6","2","3","1") = "6"
    & skf21("6","3","1","7","6","2","4","1") = "6"
    & skf21("6","3","1","7","6","2","5","1") = "6"
    & skf21("6","3","1","7","6","2","6","1") = "6"
    & skf21("6","3","1","7","6","2","7","1") = "6"
    & skf21("6","3","1","7","6","3","1","1") = "6"
    & skf21("6","3","1","7","6","3","2","1") = "6"
    & skf21("6","3","1","7","6","3","3","1") = "6"
    & skf21("6","3","1","7","6","3","4","1") = "6"
    & skf21("6","3","1","7","6","3","5","1") = "6"
    & skf21("6","3","1","7","6","3","6","1") = "6"
    & skf21("6","3","1","7","6","3","7","1") = "6"
    & skf21("6","3","1","7","6","4","1","1") = "6"
    & skf21("6","3","1","7","6","4","2","1") = "6"
    & skf21("6","3","1","7","6","4","3","1") = "6"
    & skf21("6","3","1","7","6","4","4","1") = "6"
    & skf21("6","3","1","7","6","4","5","1") = "6"
    & skf21("6","3","1","7","6","4","6","1") = "6"
    & skf21("6","3","1","7","6","4","7","1") = "6"
    & skf21("6","3","1","7","6","5","1","1") = "6"
    & skf21("6","3","1","7","6","5","2","1") = "6"
    & skf21("6","3","1","7","6","5","3","1") = "6"
    & skf21("6","3","1","7","6","5","4","1") = "6"
    & skf21("6","3","1","7","6","5","5","1") = "6"
    & skf21("6","3","1","7","6","5","6","1") = "6"
    & skf21("6","3","1","7","6","5","7","1") = "6"
    & skf21("6","3","1","7","6","6","1","1") = "6"
    & skf21("6","3","1","7","6","6","2","1") = "6"
    & skf21("6","3","1","7","6","6","3","1") = "6"
    & skf21("6","3","1","7","6","6","4","1") = "6"
    & skf21("6","3","1","7","6","6","5","1") = "6"
    & skf21("6","3","1","7","6","6","6","1") = "6"
    & skf21("6","3","1","7","6","6","7","1") = "6"
    & skf21("6","3","1","7","6","7","1","1") = "6"
    & skf21("6","3","1","7","6","7","2","1") = "6"
    & skf21("6","3","1","7","6","7","3","1") = "6"
    & skf21("6","3","1","7","6","7","4","1") = "6"
    & skf21("6","3","1","7","6","7","5","1") = "6"
    & skf21("6","3","1","7","6","7","6","1") = "6"
    & skf21("6","3","1","7","6","7","7","1") = "6"
    & skf21("6","3","1","7","7","1","1","1") = "6"
    & skf21("6","3","1","7","7","1","2","1") = "6"
    & skf21("6","3","1","7","7","1","3","1") = "6"
    & skf21("6","3","1","7","7","1","4","1") = "6"
    & skf21("6","3","1","7","7","1","5","1") = "6"
    & skf21("6","3","1","7","7","1","6","1") = "6"
    & skf21("6","3","1","7","7","1","7","1") = "6"
    & skf21("6","3","1","7","7","2","1","1") = "6"
    & skf21("6","3","1","7","7","2","2","1") = "6"
    & skf21("6","3","1","7","7","2","3","1") = "6"
    & skf21("6","3","1","7","7","2","4","1") = "6"
    & skf21("6","3","1","7","7","2","5","1") = "6"
    & skf21("6","3","1","7","7","2","6","1") = "6"
    & skf21("6","3","1","7","7","2","7","1") = "6"
    & skf21("6","3","1","7","7","3","1","1") = "6"
    & skf21("6","3","1","7","7","3","2","1") = "6"
    & skf21("6","3","1","7","7","3","3","1") = "6"
    & skf21("6","3","1","7","7","3","4","1") = "6"
    & skf21("6","3","1","7","7","3","5","1") = "6"
    & skf21("6","3","1","7","7","3","6","1") = "6"
    & skf21("6","3","1","7","7","3","7","1") = "6"
    & skf21("6","3","1","7","7","4","1","1") = "6"
    & skf21("6","3","1","7","7","4","2","1") = "6"
    & skf21("6","3","1","7","7","4","3","1") = "6"
    & skf21("6","3","1","7","7","4","4","1") = "6"
    & skf21("6","3","1","7","7","4","5","1") = "6"
    & skf21("6","3","1","7","7","4","6","1") = "6"
    & skf21("6","3","1","7","7","4","7","1") = "6"
    & skf21("6","3","1","7","7","5","1","1") = "6"
    & skf21("6","3","1","7","7","5","2","1") = "6"
    & skf21("6","3","1","7","7","5","3","1") = "6"
    & skf21("6","3","1","7","7","5","4","1") = "6"
    & skf21("6","3","1","7","7","5","5","1") = "6"
    & skf21("6","3","1","7","7","5","6","1") = "6"
    & skf21("6","3","1","7","7","5","7","1") = "6"
    & skf21("6","3","1","7","7","6","1","1") = "6"
    & skf21("6","3","1","7","7","6","2","1") = "6"
    & skf21("6","3","1","7","7","6","3","1") = "6"
    & skf21("6","3","1","7","7","6","4","1") = "6"
    & skf21("6","3","1","7","7","6","5","1") = "6"
    & skf21("6","3","1","7","7","6","6","1") = "6"
    & skf21("6","3","1","7","7","6","7","1") = "6"
    & skf21("6","3","1","7","7","7","1","1") = "6"
    & skf21("6","3","1","7","7","7","2","1") = "6"
    & skf21("6","3","1","7","7","7","3","1") = "6"
    & skf21("6","3","1","7","7","7","4","1") = "6"
    & skf21("6","3","1","7","7","7","5","1") = "6"
    & skf21("6","3","1","7","7","7","6","1") = "6"
    & skf21("6","3","1","7","7","7","7","1") = "6"
    & skf21("6","3","2","1","1","1","1","1") = "5"
    & skf21("6","3","2","1","1","1","2","1") = "5"
    & skf21("6","3","2","1","1","1","3","1") = "5"
    & skf21("6","3","2","1","1","1","4","1") = "5"
    & skf21("6","3","2","1","1","1","5","1") = "5"
    & skf21("6","3","2","1","1","1","6","1") = "5"
    & skf21("6","3","2","1","1","1","7","1") = "6"
    & skf21("6","3","2","1","1","2","1","1") = "5"
    & skf21("6","3","2","1","1","2","2","1") = "5"
    & skf21("6","3","2","1","1","2","3","1") = "5"
    & skf21("6","3","2","1","1","2","4","1") = "5"
    & skf21("6","3","2","1","1","2","5","1") = "5"
    & skf21("6","3","2","1","1","2","6","1") = "5"
    & skf21("6","3","2","1","1","2","7","1") = "6"
    & skf21("6","3","2","1","1","3","1","1") = "5"
    & skf21("6","3","2","1","1","3","2","1") = "5"
    & skf21("6","3","2","1","1","3","3","1") = "5"
    & skf21("6","3","2","1","1","3","4","1") = "5"
    & skf21("6","3","2","1","1","3","5","1") = "5"
    & skf21("6","3","2","1","1","3","6","1") = "5"
    & skf21("6","3","2","1","1","3","7","1") = "6"
    & skf21("6","3","2","1","1","4","1","1") = "5"
    & skf21("6","3","2","1","1","4","2","1") = "5"
    & skf21("6","3","2","1","1","4","3","1") = "5"
    & skf21("6","3","2","1","1","4","4","1") = "5"
    & skf21("6","3","2","1","1","4","5","1") = "5"
    & skf21("6","3","2","1","1","4","6","1") = "5"
    & skf21("6","3","2","1","1","4","7","1") = "6"
    & skf21("6","3","2","1","1","5","1","1") = "5"
    & skf21("6","3","2","1","1","5","2","1") = "5"
    & skf21("6","3","2","1","1","5","3","1") = "5"
    & skf21("6","3","2","1","1","5","4","1") = "5"
    & skf21("6","3","2","1","1","5","5","1") = "5"
    & skf21("6","3","2","1","1","5","6","1") = "5"
    & skf21("6","3","2","1","1","5","7","1") = "6"
    & skf21("6","3","2","1","1","6","1","1") = "5"
    & skf21("6","3","2","1","1","6","2","1") = "5"
    & skf21("6","3","2","1","1","6","3","1") = "5"
    & skf21("6","3","2","1","1","6","4","1") = "5"
    & skf21("6","3","2","1","1","6","5","1") = "5"
    & skf21("6","3","2","1","1","6","6","1") = "5"
    & skf21("6","3","2","1","1","6","7","1") = "6"
    & skf21("6","3","2","1","1","7","1","1") = "6"
    & skf21("6","3","2","1","1","7","2","1") = "6"
    & skf21("6","3","2","1","1","7","3","1") = "6"
    & skf21("6","3","2","1","1","7","4","1") = "6"
    & skf21("6","3","2","1","1","7","5","1") = "6"
    & skf21("6","3","2","1","1","7","6","1") = "6"
    & skf21("6","3","2","1","1","7","7","1") = "6"
    & skf21("6","3","2","1","2","1","1","1") = "5"
    & skf21("6","3","2","1","2","1","2","1") = "5"
    & skf21("6","3","2","1","2","1","3","1") = "5"
    & skf21("6","3","2","1","2","1","4","1") = "5"
    & skf21("6","3","2","1","2","1","5","1") = "5"
    & skf21("6","3","2","1","2","1","6","1") = "5"
    & skf21("6","3","2","1","2","1","7","1") = "6"
    & skf21("6","3","2","1","2","2","1","1") = "5"
    & skf21("6","3","2","1","2","2","2","1") = "5"
    & skf21("6","3","2","1","2","2","3","1") = "5"
    & skf21("6","3","2","1","2","2","4","1") = "5"
    & skf21("6","3","2","1","2","2","5","1") = "5"
    & skf21("6","3","2","1","2","2","6","1") = "5"
    & skf21("6","3","2","1","2","2","7","1") = "6"
    & skf21("6","3","2","1","2","3","1","1") = "5"
    & skf21("6","3","2","1","2","3","2","1") = "5"
    & skf21("6","3","2","1","2","3","3","1") = "5"
    & skf21("6","3","2","1","2","3","4","1") = "5"
    & skf21("6","3","2","1","2","3","5","1") = "5"
    & skf21("6","3","2","1","2","3","6","1") = "5"
    & skf21("6","3","2","1","2","3","7","1") = "6"
    & skf21("6","3","2","1","2","4","1","1") = "5"
    & skf21("6","3","2","1","2","4","2","1") = "5"
    & skf21("6","3","2","1","2","4","3","1") = "5"
    & skf21("6","3","2","1","2","4","4","1") = "5"
    & skf21("6","3","2","1","2","4","5","1") = "5"
    & skf21("6","3","2","1","2","4","6","1") = "5"
    & skf21("6","3","2","1","2","4","7","1") = "6"
    & skf21("6","3","2","1","2","5","1","1") = "5"
    & skf21("6","3","2","1","2","5","2","1") = "5"
    & skf21("6","3","2","1","2","5","3","1") = "5"
    & skf21("6","3","2","1","2","5","4","1") = "5"
    & skf21("6","3","2","1","2","5","5","1") = "5"
    & skf21("6","3","2","1","2","5","6","1") = "5"
    & skf21("6","3","2","1","2","5","7","1") = "6"
    & skf21("6","3","2","1","2","6","1","1") = "5"
    & skf21("6","3","2","1","2","6","2","1") = "5"
    & skf21("6","3","2","1","2","6","3","1") = "5"
    & skf21("6","3","2","1","2","6","4","1") = "5"
    & skf21("6","3","2","1","2","6","5","1") = "5"
    & skf21("6","3","2","1","2","6","6","1") = "5"
    & skf21("6","3","2","1","2","6","7","1") = "6"
    & skf21("6","3","2","1","2","7","1","1") = "6"
    & skf21("6","3","2","1","2","7","2","1") = "6"
    & skf21("6","3","2","1","2","7","3","1") = "6"
    & skf21("6","3","2","1","2","7","4","1") = "6"
    & skf21("6","3","2","1","2","7","5","1") = "6"
    & skf21("6","3","2","1","2","7","6","1") = "6"
    & skf21("6","3","2","1","2","7","7","1") = "6"
    & skf21("6","3","2","1","3","1","1","1") = "5"
    & skf21("6","3","2","1","3","1","2","1") = "5"
    & skf21("6","3","2","1","3","1","3","1") = "5"
    & skf21("6","3","2","1","3","1","4","1") = "5"
    & skf21("6","3","2","1","3","1","5","1") = "5"
    & skf21("6","3","2","1","3","1","6","1") = "5"
    & skf21("6","3","2","1","3","1","7","1") = "6"
    & skf21("6","3","2","1","3","2","1","1") = "5"
    & skf21("6","3","2","1","3","2","2","1") = "5"
    & skf21("6","3","2","1","3","2","3","1") = "5"
    & skf21("6","3","2","1","3","2","4","1") = "5"
    & skf21("6","3","2","1","3","2","5","1") = "5"
    & skf21("6","3","2","1","3","2","6","1") = "5"
    & skf21("6","3","2","1","3","2","7","1") = "6"
    & skf21("6","3","2","1","3","3","1","1") = "5"
    & skf21("6","3","2","1","3","3","2","1") = "5"
    & skf21("6","3","2","1","3","3","3","1") = "5"
    & skf21("6","3","2","1","3","3","4","1") = "5"
    & skf21("6","3","2","1","3","3","5","1") = "5"
    & skf21("6","3","2","1","3","3","6","1") = "5"
    & skf21("6","3","2","1","3","3","7","1") = "6"
    & skf21("6","3","2","1","3","4","1","1") = "5"
    & skf21("6","3","2","1","3","4","2","1") = "5"
    & skf21("6","3","2","1","3","4","3","1") = "5"
    & skf21("6","3","2","1","3","4","4","1") = "5"
    & skf21("6","3","2","1","3","4","5","1") = "5"
    & skf21("6","3","2","1","3","4","6","1") = "5"
    & skf21("6","3","2","1","3","4","7","1") = "6"
    & skf21("6","3","2","1","3","5","1","1") = "5"
    & skf21("6","3","2","1","3","5","2","1") = "5"
    & skf21("6","3","2","1","3","5","3","1") = "5"
    & skf21("6","3","2","1","3","5","4","1") = "5"
    & skf21("6","3","2","1","3","5","5","1") = "5"
    & skf21("6","3","2","1","3","5","6","1") = "5"
    & skf21("6","3","2","1","3","5","7","1") = "6"
    & skf21("6","3","2","1","3","6","1","1") = "5"
    & skf21("6","3","2","1","3","6","2","1") = "5"
    & skf21("6","3","2","1","3","6","3","1") = "5"
    & skf21("6","3","2","1","3","6","4","1") = "5"
    & skf21("6","3","2","1","3","6","5","1") = "5"
    & skf21("6","3","2","1","3","6","6","1") = "5"
    & skf21("6","3","2","1","3","6","7","1") = "6"
    & skf21("6","3","2","1","3","7","1","1") = "6"
    & skf21("6","3","2","1","3","7","2","1") = "6"
    & skf21("6","3","2","1","3","7","3","1") = "6"
    & skf21("6","3","2","1","3","7","4","1") = "6"
    & skf21("6","3","2","1","3","7","5","1") = "6"
    & skf21("6","3","2","1","3","7","6","1") = "6"
    & skf21("6","3","2","1","3","7","7","1") = "6"
    & skf21("6","3","2","1","4","1","1","1") = "5"
    & skf21("6","3","2","1","4","1","2","1") = "5"
    & skf21("6","3","2","1","4","1","3","1") = "5"
    & skf21("6","3","2","1","4","1","4","1") = "5"
    & skf21("6","3","2","1","4","1","5","1") = "5"
    & skf21("6","3","2","1","4","1","6","1") = "5"
    & skf21("6","3","2","1","4","1","7","1") = "6"
    & skf21("6","3","2","1","4","2","1","1") = "5"
    & skf21("6","3","2","1","4","2","2","1") = "5"
    & skf21("6","3","2","1","4","2","3","1") = "5"
    & skf21("6","3","2","1","4","2","4","1") = "5"
    & skf21("6","3","2","1","4","2","5","1") = "5"
    & skf21("6","3","2","1","4","2","6","1") = "5"
    & skf21("6","3","2","1","4","2","7","1") = "6"
    & skf21("6","3","2","1","4","3","1","1") = "5"
    & skf21("6","3","2","1","4","3","2","1") = "5"
    & skf21("6","3","2","1","4","3","3","1") = "5"
    & skf21("6","3","2","1","4","3","4","1") = "5"
    & skf21("6","3","2","1","4","3","5","1") = "5"
    & skf21("6","3","2","1","4","3","6","1") = "5"
    & skf21("6","3","2","1","4","3","7","1") = "6"
    & skf21("6","3","2","1","4","4","1","1") = "5"
    & skf21("6","3","2","1","4","4","2","1") = "5"
    & skf21("6","3","2","1","4","4","3","1") = "5"
    & skf21("6","3","2","1","4","4","4","1") = "5"
    & skf21("6","3","2","1","4","4","5","1") = "5"
    & skf21("6","3","2","1","4","4","6","1") = "5"
    & skf21("6","3","2","1","4","4","7","1") = "6"
    & skf21("6","3","2","1","4","5","1","1") = "5"
    & skf21("6","3","2","1","4","5","2","1") = "5"
    & skf21("6","3","2","1","4","5","3","1") = "5"
    & skf21("6","3","2","1","4","5","4","1") = "5"
    & skf21("6","3","2","1","4","5","5","1") = "5"
    & skf21("6","3","2","1","4","5","6","1") = "5"
    & skf21("6","3","2","1","4","5","7","1") = "6"
    & skf21("6","3","2","1","4","6","1","1") = "5"
    & skf21("6","3","2","1","4","6","2","1") = "5"
    & skf21("6","3","2","1","4","6","3","1") = "5"
    & skf21("6","3","2","1","4","6","4","1") = "5"
    & skf21("6","3","2","1","4","6","5","1") = "5"
    & skf21("6","3","2","1","4","6","6","1") = "5"
    & skf21("6","3","2","1","4","6","7","1") = "6"
    & skf21("6","3","2","1","4","7","1","1") = "6"
    & skf21("6","3","2","1","4","7","2","1") = "6"
    & skf21("6","3","2","1","4","7","3","1") = "6"
    & skf21("6","3","2","1","4","7","4","1") = "6"
    & skf21("6","3","2","1","4","7","5","1") = "6"
    & skf21("6","3","2","1","4","7","6","1") = "6"
    & skf21("6","3","2","1","4","7","7","1") = "6"
    & skf21("6","3","2","1","5","1","1","1") = "5"
    & skf21("6","3","2","1","5","1","2","1") = "5"
    & skf21("6","3","2","1","5","1","3","1") = "5"
    & skf21("6","3","2","1","5","1","4","1") = "5"
    & skf21("6","3","2","1","5","1","5","1") = "5"
    & skf21("6","3","2","1","5","1","6","1") = "5"
    & skf21("6","3","2","1","5","1","7","1") = "6"
    & skf21("6","3","2","1","5","2","1","1") = "5"
    & skf21("6","3","2","1","5","2","2","1") = "5"
    & skf21("6","3","2","1","5","2","3","1") = "5"
    & skf21("6","3","2","1","5","2","4","1") = "5"
    & skf21("6","3","2","1","5","2","5","1") = "5"
    & skf21("6","3","2","1","5","2","6","1") = "5"
    & skf21("6","3","2","1","5","2","7","1") = "6"
    & skf21("6","3","2","1","5","3","1","1") = "5"
    & skf21("6","3","2","1","5","3","2","1") = "5"
    & skf21("6","3","2","1","5","3","3","1") = "5"
    & skf21("6","3","2","1","5","3","4","1") = "5"
    & skf21("6","3","2","1","5","3","5","1") = "5"
    & skf21("6","3","2","1","5","3","6","1") = "5"
    & skf21("6","3","2","1","5","3","7","1") = "6"
    & skf21("6","3","2","1","5","4","1","1") = "5"
    & skf21("6","3","2","1","5","4","2","1") = "5"
    & skf21("6","3","2","1","5","4","3","1") = "5"
    & skf21("6","3","2","1","5","4","4","1") = "5"
    & skf21("6","3","2","1","5","4","5","1") = "5"
    & skf21("6","3","2","1","5","4","6","1") = "5"
    & skf21("6","3","2","1","5","4","7","1") = "6"
    & skf21("6","3","2","1","5","5","1","1") = "5"
    & skf21("6","3","2","1","5","5","2","1") = "5"
    & skf21("6","3","2","1","5","5","3","1") = "5"
    & skf21("6","3","2","1","5","5","4","1") = "5"
    & skf21("6","3","2","1","5","5","5","1") = "5"
    & skf21("6","3","2","1","5","5","6","1") = "5"
    & skf21("6","3","2","1","5","5","7","1") = "6"
    & skf21("6","3","2","1","5","6","1","1") = "5"
    & skf21("6","3","2","1","5","6","2","1") = "5"
    & skf21("6","3","2","1","5","6","3","1") = "5"
    & skf21("6","3","2","1","5","6","4","1") = "5"
    & skf21("6","3","2","1","5","6","5","1") = "5"
    & skf21("6","3","2","1","5","6","6","1") = "5"
    & skf21("6","3","2","1","5","6","7","1") = "6"
    & skf21("6","3","2","1","5","7","1","1") = "6"
    & skf21("6","3","2","1","5","7","2","1") = "6"
    & skf21("6","3","2","1","5","7","3","1") = "6"
    & skf21("6","3","2","1","5","7","4","1") = "6"
    & skf21("6","3","2","1","5","7","5","1") = "6"
    & skf21("6","3","2","1","5","7","6","1") = "6"
    & skf21("6","3","2","1","5","7","7","1") = "6"
    & skf21("6","3","2","1","6","1","1","1") = "5"
    & skf21("6","3","2","1","6","1","2","1") = "5"
    & skf21("6","3","2","1","6","1","3","1") = "5"
    & skf21("6","3","2","1","6","1","4","1") = "5"
    & skf21("6","3","2","1","6","1","5","1") = "5"
    & skf21("6","3","2","1","6","1","6","1") = "5"
    & skf21("6","3","2","1","6","1","7","1") = "6"
    & skf21("6","3","2","1","6","2","1","1") = "5"
    & skf21("6","3","2","1","6","2","2","1") = "5"
    & skf21("6","3","2","1","6","2","3","1") = "5"
    & skf21("6","3","2","1","6","2","4","1") = "5"
    & skf21("6","3","2","1","6","2","5","1") = "5"
    & skf21("6","3","2","1","6","2","6","1") = "5"
    & skf21("6","3","2","1","6","2","7","1") = "6"
    & skf21("6","3","2","1","6","3","1","1") = "5"
    & skf21("6","3","2","1","6","3","2","1") = "5"
    & skf21("6","3","2","1","6","3","3","1") = "5"
    & skf21("6","3","2","1","6","3","4","1") = "5"
    & skf21("6","3","2","1","6","3","5","1") = "5"
    & skf21("6","3","2","1","6","3","6","1") = "5"
    & skf21("6","3","2","1","6","3","7","1") = "6"
    & skf21("6","3","2","1","6","4","1","1") = "5"
    & skf21("6","3","2","1","6","4","2","1") = "5"
    & skf21("6","3","2","1","6","4","3","1") = "5"
    & skf21("6","3","2","1","6","4","4","1") = "5"
    & skf21("6","3","2","1","6","4","5","1") = "5"
    & skf21("6","3","2","1","6","4","6","1") = "5"
    & skf21("6","3","2","1","6","4","7","1") = "6"
    & skf21("6","3","2","1","6","5","1","1") = "5"
    & skf21("6","3","2","1","6","5","2","1") = "5"
    & skf21("6","3","2","1","6","5","3","1") = "5"
    & skf21("6","3","2","1","6","5","4","1") = "5"
    & skf21("6","3","2","1","6","5","5","1") = "5"
    & skf21("6","3","2","1","6","5","6","1") = "5"
    & skf21("6","3","2","1","6","5","7","1") = "6"
    & skf21("6","3","2","1","6","6","1","1") = "5"
    & skf21("6","3","2","1","6","6","2","1") = "5"
    & skf21("6","3","2","1","6","6","3","1") = "5"
    & skf21("6","3","2","1","6","6","4","1") = "5"
    & skf21("6","3","2","1","6","6","5","1") = "5"
    & skf21("6","3","2","1","6","6","6","1") = "5"
    & skf21("6","3","2","1","6","6","7","1") = "6"
    & skf21("6","3","2","1","6","7","1","1") = "6"
    & skf21("6","3","2","1","6","7","2","1") = "6"
    & skf21("6","3","2","1","6","7","3","1") = "6"
    & skf21("6","3","2","1","6","7","4","1") = "6"
    & skf21("6","3","2","1","6","7","5","1") = "6"
    & skf21("6","3","2","1","6","7","6","1") = "6"
    & skf21("6","3","2","1","6","7","7","1") = "6"
    & skf21("6","3","2","1","7","1","1","1") = "6"
    & skf21("6","3","2","1","7","1","2","1") = "6"
    & skf21("6","3","2","1","7","1","3","1") = "6"
    & skf21("6","3","2","1","7","1","4","1") = "6"
    & skf21("6","3","2","1","7","1","5","1") = "6"
    & skf21("6","3","2","1","7","1","6","1") = "6"
    & skf21("6","3","2","1","7","1","7","1") = "6"
    & skf21("6","3","2","1","7","2","1","1") = "6"
    & skf21("6","3","2","1","7","2","2","1") = "6"
    & skf21("6","3","2","1","7","2","3","1") = "6"
    & skf21("6","3","2","1","7","2","4","1") = "6"
    & skf21("6","3","2","1","7","2","5","1") = "6"
    & skf21("6","3","2","1","7","2","6","1") = "6"
    & skf21("6","3","2","1","7","2","7","1") = "6"
    & skf21("6","3","2","1","7","3","1","1") = "6"
    & skf21("6","3","2","1","7","3","2","1") = "6"
    & skf21("6","3","2","1","7","3","3","1") = "6"
    & skf21("6","3","2","1","7","3","4","1") = "6"
    & skf21("6","3","2","1","7","3","5","1") = "6"
    & skf21("6","3","2","1","7","3","6","1") = "6"
    & skf21("6","3","2","1","7","3","7","1") = "6"
    & skf21("6","3","2","1","7","4","1","1") = "6"
    & skf21("6","3","2","1","7","4","2","1") = "6"
    & skf21("6","3","2","1","7","4","3","1") = "6"
    & skf21("6","3","2","1","7","4","4","1") = "6"
    & skf21("6","3","2","1","7","4","5","1") = "6"
    & skf21("6","3","2","1","7","4","6","1") = "6"
    & skf21("6","3","2","1","7","4","7","1") = "6"
    & skf21("6","3","2","1","7","5","1","1") = "6"
    & skf21("6","3","2","1","7","5","2","1") = "6"
    & skf21("6","3","2","1","7","5","3","1") = "6"
    & skf21("6","3","2","1","7","5","4","1") = "6"
    & skf21("6","3","2","1","7","5","5","1") = "6"
    & skf21("6","3","2","1","7","5","6","1") = "6"
    & skf21("6","3","2","1","7","5","7","1") = "6"
    & skf21("6","3","2","1","7","6","1","1") = "6"
    & skf21("6","3","2","1","7","6","2","1") = "6"
    & skf21("6","3","2","1","7","6","3","1") = "6"
    & skf21("6","3","2","1","7","6","4","1") = "6"
    & skf21("6","3","2","1","7","6","5","1") = "6"
    & skf21("6","3","2","1","7","6","6","1") = "6"
    & skf21("6","3","2","1","7","6","7","1") = "6"
    & skf21("6","3","2","1","7","7","1","1") = "6"
    & skf21("6","3","2","1","7","7","2","1") = "6"
    & skf21("6","3","2","1","7","7","3","1") = "6"
    & skf21("6","3","2","1","7","7","4","1") = "6"
    & skf21("6","3","2","1","7","7","5","1") = "6"
    & skf21("6","3","2","1","7","7","6","1") = "6"
    & skf21("6","3","2","1","7","7","7","1") = "6"
    & skf21("6","3","2","2","1","1","1","1") = "5"
    & skf21("6","3","2","2","1","1","2","1") = "5"
    & skf21("6","3","2","2","1","1","3","1") = "5"
    & skf21("6","3","2","2","1","1","4","1") = "5"
    & skf21("6","3","2","2","1","1","5","1") = "5"
    & skf21("6","3","2","2","1","1","6","1") = "5"
    & skf21("6","3","2","2","1","1","7","1") = "6"
    & skf21("6","3","2","2","1","2","1","1") = "5"
    & skf21("6","3","2","2","1","2","2","1") = "5"
    & skf21("6","3","2","2","1","2","3","1") = "5"
    & skf21("6","3","2","2","1","2","4","1") = "5"
    & skf21("6","3","2","2","1","2","5","1") = "5"
    & skf21("6","3","2","2","1","2","6","1") = "5"
    & skf21("6","3","2","2","1","2","7","1") = "6"
    & skf21("6","3","2","2","1","3","1","1") = "5"
    & skf21("6","3","2","2","1","3","2","1") = "5"
    & skf21("6","3","2","2","1","3","3","1") = "5"
    & skf21("6","3","2","2","1","3","4","1") = "5"
    & skf21("6","3","2","2","1","3","5","1") = "5"
    & skf21("6","3","2","2","1","3","6","1") = "5"
    & skf21("6","3","2","2","1","3","7","1") = "6"
    & skf21("6","3","2","2","1","4","1","1") = "5"
    & skf21("6","3","2","2","1","4","2","1") = "5"
    & skf21("6","3","2","2","1","4","3","1") = "5"
    & skf21("6","3","2","2","1","4","4","1") = "5"
    & skf21("6","3","2","2","1","4","5","1") = "5"
    & skf21("6","3","2","2","1","4","6","1") = "5"
    & skf21("6","3","2","2","1","4","7","1") = "6"
    & skf21("6","3","2","2","1","5","1","1") = "5"
    & skf21("6","3","2","2","1","5","2","1") = "5"
    & skf21("6","3","2","2","1","5","3","1") = "5"
    & skf21("6","3","2","2","1","5","4","1") = "5"
    & skf21("6","3","2","2","1","5","5","1") = "5"
    & skf21("6","3","2","2","1","5","6","1") = "5"
    & skf21("6","3","2","2","1","5","7","1") = "6"
    & skf21("6","3","2","2","1","6","1","1") = "5"
    & skf21("6","3","2","2","1","6","2","1") = "5"
    & skf21("6","3","2","2","1","6","3","1") = "5"
    & skf21("6","3","2","2","1","6","4","1") = "5"
    & skf21("6","3","2","2","1","6","5","1") = "5"
    & skf21("6","3","2","2","1","6","6","1") = "5"
    & skf21("6","3","2","2","1","6","7","1") = "6"
    & skf21("6","3","2","2","1","7","1","1") = "6"
    & skf21("6","3","2","2","1","7","2","1") = "6"
    & skf21("6","3","2","2","1","7","3","1") = "6"
    & skf21("6","3","2","2","1","7","4","1") = "6"
    & skf21("6","3","2","2","1","7","5","1") = "6"
    & skf21("6","3","2","2","1","7","6","1") = "6"
    & skf21("6","3","2","2","1","7","7","1") = "6"
    & skf21("6","3","2","2","2","1","1","1") = "5"
    & skf21("6","3","2","2","2","1","2","1") = "5"
    & skf21("6","3","2","2","2","1","3","1") = "5"
    & skf21("6","3","2","2","2","1","4","1") = "5"
    & skf21("6","3","2","2","2","1","5","1") = "5"
    & skf21("6","3","2","2","2","1","6","1") = "5"
    & skf21("6","3","2","2","2","1","7","1") = "6"
    & skf21("6","3","2","2","2","2","1","1") = "5"
    & skf21("6","3","2","2","2","2","2","1") = "5"
    & skf21("6","3","2","2","2","2","3","1") = "5"
    & skf21("6","3","2","2","2","2","4","1") = "5"
    & skf21("6","3","2","2","2","2","5","1") = "5"
    & skf21("6","3","2","2","2","2","6","1") = "5"
    & skf21("6","3","2","2","2","2","7","1") = "6"
    & skf21("6","3","2","2","2","3","1","1") = "5"
    & skf21("6","3","2","2","2","3","2","1") = "5"
    & skf21("6","3","2","2","2","3","3","1") = "5"
    & skf21("6","3","2","2","2","3","4","1") = "5"
    & skf21("6","3","2","2","2","3","5","1") = "5"
    & skf21("6","3","2","2","2","3","6","1") = "5"
    & skf21("6","3","2","2","2","3","7","1") = "6"
    & skf21("6","3","2","2","2","4","1","1") = "5"
    & skf21("6","3","2","2","2","4","2","1") = "5"
    & skf21("6","3","2","2","2","4","3","1") = "5"
    & skf21("6","3","2","2","2","4","4","1") = "5"
    & skf21("6","3","2","2","2","4","5","1") = "5"
    & skf21("6","3","2","2","2","4","6","1") = "5"
    & skf21("6","3","2","2","2","4","7","1") = "6"
    & skf21("6","3","2","2","2","5","1","1") = "5"
    & skf21("6","3","2","2","2","5","2","1") = "5"
    & skf21("6","3","2","2","2","5","3","1") = "5"
    & skf21("6","3","2","2","2","5","4","1") = "5"
    & skf21("6","3","2","2","2","5","5","1") = "5"
    & skf21("6","3","2","2","2","5","6","1") = "5"
    & skf21("6","3","2","2","2","5","7","1") = "6"
    & skf21("6","3","2","2","2","6","1","1") = "5"
    & skf21("6","3","2","2","2","6","2","1") = "5"
    & skf21("6","3","2","2","2","6","3","1") = "5"
    & skf21("6","3","2","2","2","6","4","1") = "5"
    & skf21("6","3","2","2","2","6","5","1") = "5"
    & skf21("6","3","2","2","2","6","6","1") = "5"
    & skf21("6","3","2","2","2","6","7","1") = "6"
    & skf21("6","3","2","2","2","7","1","1") = "6"
    & skf21("6","3","2","2","2","7","2","1") = "6"
    & skf21("6","3","2","2","2","7","3","1") = "6"
    & skf21("6","3","2","2","2","7","4","1") = "6"
    & skf21("6","3","2","2","2","7","5","1") = "6"
    & skf21("6","3","2","2","2","7","6","1") = "6"
    & skf21("6","3","2","2","2","7","7","1") = "6"
    & skf21("6","3","2","2","3","1","1","1") = "5"
    & skf21("6","3","2","2","3","1","2","1") = "5"
    & skf21("6","3","2","2","3","1","3","1") = "5"
    & skf21("6","3","2","2","3","1","4","1") = "5"
    & skf21("6","3","2","2","3","1","5","1") = "5"
    & skf21("6","3","2","2","3","1","6","1") = "5"
    & skf21("6","3","2","2","3","1","7","1") = "6"
    & skf21("6","3","2","2","3","2","1","1") = "5"
    & skf21("6","3","2","2","3","2","2","1") = "5"
    & skf21("6","3","2","2","3","2","3","1") = "5"
    & skf21("6","3","2","2","3","2","4","1") = "5"
    & skf21("6","3","2","2","3","2","5","1") = "5"
    & skf21("6","3","2","2","3","2","6","1") = "5"
    & skf21("6","3","2","2","3","2","7","1") = "6"
    & skf21("6","3","2","2","3","3","1","1") = "5"
    & skf21("6","3","2","2","3","3","2","1") = "5"
    & skf21("6","3","2","2","3","3","3","1") = "5"
    & skf21("6","3","2","2","3","3","4","1") = "5"
    & skf21("6","3","2","2","3","3","5","1") = "5"
    & skf21("6","3","2","2","3","3","6","1") = "5"
    & skf21("6","3","2","2","3","3","7","1") = "6"
    & skf21("6","3","2","2","3","4","1","1") = "5"
    & skf21("6","3","2","2","3","4","2","1") = "5"
    & skf21("6","3","2","2","3","4","3","1") = "5"
    & skf21("6","3","2","2","3","4","4","1") = "5"
    & skf21("6","3","2","2","3","4","5","1") = "5"
    & skf21("6","3","2","2","3","4","6","1") = "5"
    & skf21("6","3","2","2","3","4","7","1") = "6"
    & skf21("6","3","2","2","3","5","1","1") = "5"
    & skf21("6","3","2","2","3","5","2","1") = "5"
    & skf21("6","3","2","2","3","5","3","1") = "5"
    & skf21("6","3","2","2","3","5","4","1") = "5"
    & skf21("6","3","2","2","3","5","5","1") = "5"
    & skf21("6","3","2","2","3","5","6","1") = "5"
    & skf21("6","3","2","2","3","5","7","1") = "6"
    & skf21("6","3","2","2","3","6","1","1") = "5"
    & skf21("6","3","2","2","3","6","2","1") = "5"
    & skf21("6","3","2","2","3","6","3","1") = "5"
    & skf21("6","3","2","2","3","6","4","1") = "5"
    & skf21("6","3","2","2","3","6","5","1") = "5"
    & skf21("6","3","2","2","3","6","6","1") = "5"
    & skf21("6","3","2","2","3","6","7","1") = "6"
    & skf21("6","3","2","2","3","7","1","1") = "6"
    & skf21("6","3","2","2","3","7","2","1") = "6"
    & skf21("6","3","2","2","3","7","3","1") = "6"
    & skf21("6","3","2","2","3","7","4","1") = "6"
    & skf21("6","3","2","2","3","7","5","1") = "6"
    & skf21("6","3","2","2","3","7","6","1") = "6"
    & skf21("6","3","2","2","3","7","7","1") = "6"
    & skf21("6","3","2","2","4","1","1","1") = "5"
    & skf21("6","3","2","2","4","1","2","1") = "5"
    & skf21("6","3","2","2","4","1","3","1") = "5"
    & skf21("6","3","2","2","4","1","4","1") = "5"
    & skf21("6","3","2","2","4","1","5","1") = "5"
    & skf21("6","3","2","2","4","1","6","1") = "5"
    & skf21("6","3","2","2","4","1","7","1") = "6"
    & skf21("6","3","2","2","4","2","1","1") = "5"
    & skf21("6","3","2","2","4","2","2","1") = "5"
    & skf21("6","3","2","2","4","2","3","1") = "5"
    & skf21("6","3","2","2","4","2","4","1") = "5"
    & skf21("6","3","2","2","4","2","5","1") = "5"
    & skf21("6","3","2","2","4","2","6","1") = "5"
    & skf21("6","3","2","2","4","2","7","1") = "6"
    & skf21("6","3","2","2","4","3","1","1") = "5"
    & skf21("6","3","2","2","4","3","2","1") = "5"
    & skf21("6","3","2","2","4","3","3","1") = "5"
    & skf21("6","3","2","2","4","3","4","1") = "5"
    & skf21("6","3","2","2","4","3","5","1") = "5"
    & skf21("6","3","2","2","4","3","6","1") = "5"
    & skf21("6","3","2","2","4","3","7","1") = "6"
    & skf21("6","3","2","2","4","4","1","1") = "5"
    & skf21("6","3","2","2","4","4","2","1") = "5"
    & skf21("6","3","2","2","4","4","3","1") = "5"
    & skf21("6","3","2","2","4","4","4","1") = "5"
    & skf21("6","3","2","2","4","4","5","1") = "5"
    & skf21("6","3","2","2","4","4","6","1") = "5"
    & skf21("6","3","2","2","4","4","7","1") = "6"
    & skf21("6","3","2","2","4","5","1","1") = "5"
    & skf21("6","3","2","2","4","5","2","1") = "5"
    & skf21("6","3","2","2","4","5","3","1") = "5"
    & skf21("6","3","2","2","4","5","4","1") = "5"
    & skf21("6","3","2","2","4","5","5","1") = "5"
    & skf21("6","3","2","2","4","5","6","1") = "5"
    & skf21("6","3","2","2","4","5","7","1") = "6"
    & skf21("6","3","2","2","4","6","1","1") = "5"
    & skf21("6","3","2","2","4","6","2","1") = "5"
    & skf21("6","3","2","2","4","6","3","1") = "5"
    & skf21("6","3","2","2","4","6","4","1") = "5"
    & skf21("6","3","2","2","4","6","5","1") = "5"
    & skf21("6","3","2","2","4","6","6","1") = "5"
    & skf21("6","3","2","2","4","6","7","1") = "6"
    & skf21("6","3","2","2","4","7","1","1") = "6"
    & skf21("6","3","2","2","4","7","2","1") = "6"
    & skf21("6","3","2","2","4","7","3","1") = "6"
    & skf21("6","3","2","2","4","7","4","1") = "6"
    & skf21("6","3","2","2","4","7","5","1") = "6"
    & skf21("6","3","2","2","4","7","6","1") = "6"
    & skf21("6","3","2","2","4","7","7","1") = "6"
    & skf21("6","3","2","2","5","1","1","1") = "5"
    & skf21("6","3","2","2","5","1","2","1") = "5"
    & skf21("6","3","2","2","5","1","3","1") = "5"
    & skf21("6","3","2","2","5","1","4","1") = "5"
    & skf21("6","3","2","2","5","1","5","1") = "5"
    & skf21("6","3","2","2","5","1","6","1") = "5"
    & skf21("6","3","2","2","5","1","7","1") = "6"
    & skf21("6","3","2","2","5","2","1","1") = "5"
    & skf21("6","3","2","2","5","2","2","1") = "5"
    & skf21("6","3","2","2","5","2","3","1") = "5"
    & skf21("6","3","2","2","5","2","4","1") = "5"
    & skf21("6","3","2","2","5","2","5","1") = "5"
    & skf21("6","3","2","2","5","2","6","1") = "5"
    & skf21("6","3","2","2","5","2","7","1") = "6"
    & skf21("6","3","2","2","5","3","1","1") = "5"
    & skf21("6","3","2","2","5","3","2","1") = "5"
    & skf21("6","3","2","2","5","3","3","1") = "5"
    & skf21("6","3","2","2","5","3","4","1") = "5"
    & skf21("6","3","2","2","5","3","5","1") = "5"
    & skf21("6","3","2","2","5","3","6","1") = "5"
    & skf21("6","3","2","2","5","3","7","1") = "6"
    & skf21("6","3","2","2","5","4","1","1") = "5"
    & skf21("6","3","2","2","5","4","2","1") = "5"
    & skf21("6","3","2","2","5","4","3","1") = "5"
    & skf21("6","3","2","2","5","4","4","1") = "5"
    & skf21("6","3","2","2","5","4","5","1") = "5"
    & skf21("6","3","2","2","5","4","6","1") = "5"
    & skf21("6","3","2","2","5","4","7","1") = "6"
    & skf21("6","3","2","2","5","5","1","1") = "5"
    & skf21("6","3","2","2","5","5","2","1") = "5"
    & skf21("6","3","2","2","5","5","3","1") = "5"
    & skf21("6","3","2","2","5","5","4","1") = "5"
    & skf21("6","3","2","2","5","5","5","1") = "5"
    & skf21("6","3","2","2","5","5","6","1") = "5"
    & skf21("6","3","2","2","5","5","7","1") = "6"
    & skf21("6","3","2","2","5","6","1","1") = "5"
    & skf21("6","3","2","2","5","6","2","1") = "5"
    & skf21("6","3","2","2","5","6","3","1") = "5"
    & skf21("6","3","2","2","5","6","4","1") = "5"
    & skf21("6","3","2","2","5","6","5","1") = "5"
    & skf21("6","3","2","2","5","6","6","1") = "5"
    & skf21("6","3","2","2","5","6","7","1") = "6"
    & skf21("6","3","2","2","5","7","1","1") = "6"
    & skf21("6","3","2","2","5","7","2","1") = "6"
    & skf21("6","3","2","2","5","7","3","1") = "6"
    & skf21("6","3","2","2","5","7","4","1") = "6"
    & skf21("6","3","2","2","5","7","5","1") = "6"
    & skf21("6","3","2","2","5","7","6","1") = "6"
    & skf21("6","3","2","2","5","7","7","1") = "6"
    & skf21("6","3","2","2","6","1","1","1") = "5"
    & skf21("6","3","2","2","6","1","2","1") = "5"
    & skf21("6","3","2","2","6","1","3","1") = "5"
    & skf21("6","3","2","2","6","1","4","1") = "5"
    & skf21("6","3","2","2","6","1","5","1") = "5"
    & skf21("6","3","2","2","6","1","6","1") = "5"
    & skf21("6","3","2","2","6","1","7","1") = "6"
    & skf21("6","3","2","2","6","2","1","1") = "5"
    & skf21("6","3","2","2","6","2","2","1") = "5"
    & skf21("6","3","2","2","6","2","3","1") = "5"
    & skf21("6","3","2","2","6","2","4","1") = "5"
    & skf21("6","3","2","2","6","2","5","1") = "5"
    & skf21("6","3","2","2","6","2","6","1") = "5"
    & skf21("6","3","2","2","6","2","7","1") = "6"
    & skf21("6","3","2","2","6","3","1","1") = "5"
    & skf21("6","3","2","2","6","3","2","1") = "5"
    & skf21("6","3","2","2","6","3","3","1") = "5"
    & skf21("6","3","2","2","6","3","4","1") = "5"
    & skf21("6","3","2","2","6","3","5","1") = "5"
    & skf21("6","3","2","2","6","3","6","1") = "5"
    & skf21("6","3","2","2","6","3","7","1") = "6"
    & skf21("6","3","2","2","6","4","1","1") = "5"
    & skf21("6","3","2","2","6","4","2","1") = "5"
    & skf21("6","3","2","2","6","4","3","1") = "5"
    & skf21("6","3","2","2","6","4","4","1") = "5"
    & skf21("6","3","2","2","6","4","5","1") = "5"
    & skf21("6","3","2","2","6","4","6","1") = "5"
    & skf21("6","3","2","2","6","4","7","1") = "6"
    & skf21("6","3","2","2","6","5","1","1") = "5"
    & skf21("6","3","2","2","6","5","2","1") = "5"
    & skf21("6","3","2","2","6","5","3","1") = "5"
    & skf21("6","3","2","2","6","5","4","1") = "5"
    & skf21("6","3","2","2","6","5","5","1") = "5"
    & skf21("6","3","2","2","6","5","6","1") = "5"
    & skf21("6","3","2","2","6","5","7","1") = "6"
    & skf21("6","3","2","2","6","6","1","1") = "5"
    & skf21("6","3","2","2","6","6","2","1") = "5"
    & skf21("6","3","2","2","6","6","3","1") = "5"
    & skf21("6","3","2","2","6","6","4","1") = "5"
    & skf21("6","3","2","2","6","6","5","1") = "5"
    & skf21("6","3","2","2","6","6","6","1") = "5"
    & skf21("6","3","2","2","6","6","7","1") = "6"
    & skf21("6","3","2","2","6","7","1","1") = "6"
    & skf21("6","3","2","2","6","7","2","1") = "6"
    & skf21("6","3","2","2","6","7","3","1") = "6"
    & skf21("6","3","2","2","6","7","4","1") = "6"
    & skf21("6","3","2","2","6","7","5","1") = "6"
    & skf21("6","3","2","2","6","7","6","1") = "6"
    & skf21("6","3","2","2","6","7","7","1") = "6"
    & skf21("6","3","2","2","7","1","1","1") = "6"
    & skf21("6","3","2","2","7","1","2","1") = "6"
    & skf21("6","3","2","2","7","1","3","1") = "6"
    & skf21("6","3","2","2","7","1","4","1") = "6"
    & skf21("6","3","2","2","7","1","5","1") = "6"
    & skf21("6","3","2","2","7","1","6","1") = "6"
    & skf21("6","3","2","2","7","1","7","1") = "6"
    & skf21("6","3","2","2","7","2","1","1") = "6"
    & skf21("6","3","2","2","7","2","2","1") = "6"
    & skf21("6","3","2","2","7","2","3","1") = "6"
    & skf21("6","3","2","2","7","2","4","1") = "6"
    & skf21("6","3","2","2","7","2","5","1") = "6"
    & skf21("6","3","2","2","7","2","6","1") = "6"
    & skf21("6","3","2","2","7","2","7","1") = "6"
    & skf21("6","3","2","2","7","3","1","1") = "6"
    & skf21("6","3","2","2","7","3","2","1") = "6"
    & skf21("6","3","2","2","7","3","3","1") = "6"
    & skf21("6","3","2","2","7","3","4","1") = "6"
    & skf21("6","3","2","2","7","3","5","1") = "6"
    & skf21("6","3","2","2","7","3","6","1") = "6"
    & skf21("6","3","2","2","7","3","7","1") = "6"
    & skf21("6","3","2","2","7","4","1","1") = "6"
    & skf21("6","3","2","2","7","4","2","1") = "6"
    & skf21("6","3","2","2","7","4","3","1") = "6"
    & skf21("6","3","2","2","7","4","4","1") = "6"
    & skf21("6","3","2","2","7","4","5","1") = "6"
    & skf21("6","3","2","2","7","4","6","1") = "6"
    & skf21("6","3","2","2","7","4","7","1") = "6"
    & skf21("6","3","2","2","7","5","1","1") = "6"
    & skf21("6","3","2","2","7","5","2","1") = "6"
    & skf21("6","3","2","2","7","5","3","1") = "6"
    & skf21("6","3","2","2","7","5","4","1") = "6"
    & skf21("6","3","2","2","7","5","5","1") = "6"
    & skf21("6","3","2","2","7","5","6","1") = "6"
    & skf21("6","3","2","2","7","5","7","1") = "6"
    & skf21("6","3","2","2","7","6","1","1") = "6"
    & skf21("6","3","2","2","7","6","2","1") = "6"
    & skf21("6","3","2","2","7","6","3","1") = "6"
    & skf21("6","3","2","2","7","6","4","1") = "6"
    & skf21("6","3","2","2","7","6","5","1") = "6"
    & skf21("6","3","2","2","7","6","6","1") = "6"
    & skf21("6","3","2","2","7","6","7","1") = "6"
    & skf21("6","3","2","2","7","7","1","1") = "6"
    & skf21("6","3","2","2","7","7","2","1") = "6"
    & skf21("6","3","2","2","7","7","3","1") = "6"
    & skf21("6","3","2","2","7","7","4","1") = "6"
    & skf21("6","3","2","2","7","7","5","1") = "6"
    & skf21("6","3","2","2","7","7","6","1") = "6"
    & skf21("6","3","2","2","7","7","7","1") = "6"
    & skf21("6","3","2","3","1","1","1","1") = "5"
    & skf21("6","3","2","3","1","1","2","1") = "5"
    & skf21("6","3","2","3","1","1","3","1") = "5"
    & skf21("6","3","2","3","1","1","4","1") = "5"
    & skf21("6","3","2","3","1","1","5","1") = "5"
    & skf21("6","3","2","3","1","1","6","1") = "5"
    & skf21("6","3","2","3","1","1","7","1") = "6"
    & skf21("6","3","2","3","1","2","1","1") = "5"
    & skf21("6","3","2","3","1","2","2","1") = "5"
    & skf21("6","3","2","3","1","2","3","1") = "5"
    & skf21("6","3","2","3","1","2","4","1") = "5"
    & skf21("6","3","2","3","1","2","5","1") = "5"
    & skf21("6","3","2","3","1","2","6","1") = "5"
    & skf21("6","3","2","3","1","2","7","1") = "6"
    & skf21("6","3","2","3","1","3","1","1") = "5"
    & skf21("6","3","2","3","1","3","2","1") = "5"
    & skf21("6","3","2","3","1","3","3","1") = "5"
    & skf21("6","3","2","3","1","3","4","1") = "5"
    & skf21("6","3","2","3","1","3","5","1") = "5"
    & skf21("6","3","2","3","1","3","6","1") = "5"
    & skf21("6","3","2","3","1","3","7","1") = "6"
    & skf21("6","3","2","3","1","4","1","1") = "5"
    & skf21("6","3","2","3","1","4","2","1") = "5"
    & skf21("6","3","2","3","1","4","3","1") = "5"
    & skf21("6","3","2","3","1","4","4","1") = "5"
    & skf21("6","3","2","3","1","4","5","1") = "5"
    & skf21("6","3","2","3","1","4","6","1") = "5"
    & skf21("6","3","2","3","1","4","7","1") = "6"
    & skf21("6","3","2","3","1","5","1","1") = "5"
    & skf21("6","3","2","3","1","5","2","1") = "5"
    & skf21("6","3","2","3","1","5","3","1") = "5"
    & skf21("6","3","2","3","1","5","4","1") = "5"
    & skf21("6","3","2","3","1","5","5","1") = "5"
    & skf21("6","3","2","3","1","5","6","1") = "5"
    & skf21("6","3","2","3","1","5","7","1") = "6"
    & skf21("6","3","2","3","1","6","1","1") = "5"
    & skf21("6","3","2","3","1","6","2","1") = "5"
    & skf21("6","3","2","3","1","6","3","1") = "5"
    & skf21("6","3","2","3","1","6","4","1") = "5"
    & skf21("6","3","2","3","1","6","5","1") = "5"
    & skf21("6","3","2","3","1","6","6","1") = "5"
    & skf21("6","3","2","3","1","6","7","1") = "6"
    & skf21("6","3","2","3","1","7","1","1") = "6"
    & skf21("6","3","2","3","1","7","2","1") = "6"
    & skf21("6","3","2","3","1","7","3","1") = "6"
    & skf21("6","3","2","3","1","7","4","1") = "6"
    & skf21("6","3","2","3","1","7","5","1") = "6"
    & skf21("6","3","2","3","1","7","6","1") = "6"
    & skf21("6","3","2","3","1","7","7","1") = "6"
    & skf21("6","3","2","3","2","1","1","1") = "5"
    & skf21("6","3","2","3","2","1","2","1") = "5"
    & skf21("6","3","2","3","2","1","3","1") = "5"
    & skf21("6","3","2","3","2","1","4","1") = "5"
    & skf21("6","3","2","3","2","1","5","1") = "5"
    & skf21("6","3","2","3","2","1","6","1") = "5"
    & skf21("6","3","2","3","2","1","7","1") = "6"
    & skf21("6","3","2","3","2","2","1","1") = "5"
    & skf21("6","3","2","3","2","2","2","1") = "5"
    & skf21("6","3","2","3","2","2","3","1") = "5"
    & skf21("6","3","2","3","2","2","4","1") = "5"
    & skf21("6","3","2","3","2","2","5","1") = "5"
    & skf21("6","3","2","3","2","2","6","1") = "5"
    & skf21("6","3","2","3","2","2","7","1") = "6"
    & skf21("6","3","2","3","2","3","1","1") = "5"
    & skf21("6","3","2","3","2","3","2","1") = "5"
    & skf21("6","3","2","3","2","3","3","1") = "5"
    & skf21("6","3","2","3","2","3","4","1") = "5"
    & skf21("6","3","2","3","2","3","5","1") = "5"
    & skf21("6","3","2","3","2","3","6","1") = "5"
    & skf21("6","3","2","3","2","3","7","1") = "6"
    & skf21("6","3","2","3","2","4","1","1") = "5"
    & skf21("6","3","2","3","2","4","2","1") = "5"
    & skf21("6","3","2","3","2","4","3","1") = "5"
    & skf21("6","3","2","3","2","4","4","1") = "5"
    & skf21("6","3","2","3","2","4","5","1") = "5"
    & skf21("6","3","2","3","2","4","6","1") = "5"
    & skf21("6","3","2","3","2","4","7","1") = "6"
    & skf21("6","3","2","3","2","5","1","1") = "5"
    & skf21("6","3","2","3","2","5","2","1") = "5"
    & skf21("6","3","2","3","2","5","3","1") = "5"
    & skf21("6","3","2","3","2","5","4","1") = "5"
    & skf21("6","3","2","3","2","5","5","1") = "5"
    & skf21("6","3","2","3","2","5","6","1") = "5"
    & skf21("6","3","2","3","2","5","7","1") = "6"
    & skf21("6","3","2","3","2","6","1","1") = "5"
    & skf21("6","3","2","3","2","6","2","1") = "5"
    & skf21("6","3","2","3","2","6","3","1") = "5"
    & skf21("6","3","2","3","2","6","4","1") = "5"
    & skf21("6","3","2","3","2","6","5","1") = "5"
    & skf21("6","3","2","3","2","6","6","1") = "5"
    & skf21("6","3","2","3","2","6","7","1") = "6"
    & skf21("6","3","2","3","2","7","1","1") = "6"
    & skf21("6","3","2","3","2","7","2","1") = "6"
    & skf21("6","3","2","3","2","7","3","1") = "6"
    & skf21("6","3","2","3","2","7","4","1") = "6"
    & skf21("6","3","2","3","2","7","5","1") = "6"
    & skf21("6","3","2","3","2","7","6","1") = "6"
    & skf21("6","3","2","3","2","7","7","1") = "6"
    & skf21("6","3","2","3","3","1","1","1") = "5"
    & skf21("6","3","2","3","3","1","2","1") = "5"
    & skf21("6","3","2","3","3","1","3","1") = "5"
    & skf21("6","3","2","3","3","1","4","1") = "5"
    & skf21("6","3","2","3","3","1","5","1") = "5"
    & skf21("6","3","2","3","3","1","6","1") = "5"
    & skf21("6","3","2","3","3","1","7","1") = "6"
    & skf21("6","3","2","3","3","2","1","1") = "5"
    & skf21("6","3","2","3","3","2","2","1") = "5"
    & skf21("6","3","2","3","3","2","3","1") = "5"
    & skf21("6","3","2","3","3","2","4","1") = "5"
    & skf21("6","3","2","3","3","2","5","1") = "5"
    & skf21("6","3","2","3","3","2","6","1") = "5"
    & skf21("6","3","2","3","3","2","7","1") = "6"
    & skf21("6","3","2","3","3","3","1","1") = "5"
    & skf21("6","3","2","3","3","3","2","1") = "5"
    & skf21("6","3","2","3","3","3","3","1") = "5"
    & skf21("6","3","2","3","3","3","4","1") = "5"
    & skf21("6","3","2","3","3","3","5","1") = "5"
    & skf21("6","3","2","3","3","3","6","1") = "5"
    & skf21("6","3","2","3","3","3","7","1") = "6"
    & skf21("6","3","2","3","3","4","1","1") = "5"
    & skf21("6","3","2","3","3","4","2","1") = "5"
    & skf21("6","3","2","3","3","4","3","1") = "5"
    & skf21("6","3","2","3","3","4","4","1") = "5"
    & skf21("6","3","2","3","3","4","5","1") = "5"
    & skf21("6","3","2","3","3","4","6","1") = "5"
    & skf21("6","3","2","3","3","4","7","1") = "6"
    & skf21("6","3","2","3","3","5","1","1") = "5"
    & skf21("6","3","2","3","3","5","2","1") = "5"
    & skf21("6","3","2","3","3","5","3","1") = "5"
    & skf21("6","3","2","3","3","5","4","1") = "5"
    & skf21("6","3","2","3","3","5","5","1") = "5"
    & skf21("6","3","2","3","3","5","6","1") = "5"
    & skf21("6","3","2","3","3","5","7","1") = "6"
    & skf21("6","3","2","3","3","6","1","1") = "5"
    & skf21("6","3","2","3","3","6","2","1") = "5"
    & skf21("6","3","2","3","3","6","3","1") = "5"
    & skf21("6","3","2","3","3","6","4","1") = "5"
    & skf21("6","3","2","3","3","6","5","1") = "5"
    & skf21("6","3","2","3","3","6","6","1") = "5"
    & skf21("6","3","2","3","3","6","7","1") = "6"
    & skf21("6","3","2","3","3","7","1","1") = "6"
    & skf21("6","3","2","3","3","7","2","1") = "6"
    & skf21("6","3","2","3","3","7","3","1") = "6"
    & skf21("6","3","2","3","3","7","4","1") = "6"
    & skf21("6","3","2","3","3","7","5","1") = "6"
    & skf21("6","3","2","3","3","7","6","1") = "6"
    & skf21("6","3","2","3","3","7","7","1") = "6"
    & skf21("6","3","2","3","4","1","1","1") = "5"
    & skf21("6","3","2","3","4","1","2","1") = "5"
    & skf21("6","3","2","3","4","1","3","1") = "5"
    & skf21("6","3","2","3","4","1","4","1") = "5"
    & skf21("6","3","2","3","4","1","5","1") = "5"
    & skf21("6","3","2","3","4","1","6","1") = "5"
    & skf21("6","3","2","3","4","1","7","1") = "6"
    & skf21("6","3","2","3","4","2","1","1") = "5"
    & skf21("6","3","2","3","4","2","2","1") = "5"
    & skf21("6","3","2","3","4","2","3","1") = "5"
    & skf21("6","3","2","3","4","2","4","1") = "5"
    & skf21("6","3","2","3","4","2","5","1") = "5"
    & skf21("6","3","2","3","4","2","6","1") = "5"
    & skf21("6","3","2","3","4","2","7","1") = "6"
    & skf21("6","3","2","3","4","3","1","1") = "5"
    & skf21("6","3","2","3","4","3","2","1") = "5"
    & skf21("6","3","2","3","4","3","3","1") = "5"
    & skf21("6","3","2","3","4","3","4","1") = "5"
    & skf21("6","3","2","3","4","3","5","1") = "5"
    & skf21("6","3","2","3","4","3","6","1") = "5"
    & skf21("6","3","2","3","4","3","7","1") = "6"
    & skf21("6","3","2","3","4","4","1","1") = "5"
    & skf21("6","3","2","3","4","4","2","1") = "5"
    & skf21("6","3","2","3","4","4","3","1") = "5"
    & skf21("6","3","2","3","4","4","4","1") = "5"
    & skf21("6","3","2","3","4","4","5","1") = "5"
    & skf21("6","3","2","3","4","4","6","1") = "5"
    & skf21("6","3","2","3","4","4","7","1") = "6"
    & skf21("6","3","2","3","4","5","1","1") = "5"
    & skf21("6","3","2","3","4","5","2","1") = "5"
    & skf21("6","3","2","3","4","5","3","1") = "5"
    & skf21("6","3","2","3","4","5","4","1") = "5"
    & skf21("6","3","2","3","4","5","5","1") = "5"
    & skf21("6","3","2","3","4","5","6","1") = "5"
    & skf21("6","3","2","3","4","5","7","1") = "6"
    & skf21("6","3","2","3","4","6","1","1") = "5"
    & skf21("6","3","2","3","4","6","2","1") = "5"
    & skf21("6","3","2","3","4","6","3","1") = "5"
    & skf21("6","3","2","3","4","6","4","1") = "5"
    & skf21("6","3","2","3","4","6","5","1") = "5"
    & skf21("6","3","2","3","4","6","6","1") = "5"
    & skf21("6","3","2","3","4","6","7","1") = "6"
    & skf21("6","3","2","3","4","7","1","1") = "6"
    & skf21("6","3","2","3","4","7","2","1") = "6"
    & skf21("6","3","2","3","4","7","3","1") = "6"
    & skf21("6","3","2","3","4","7","4","1") = "6"
    & skf21("6","3","2","3","4","7","5","1") = "6"
    & skf21("6","3","2","3","4","7","6","1") = "6"
    & skf21("6","3","2","3","4","7","7","1") = "6"
    & skf21("6","3","2","3","5","1","1","1") = "5"
    & skf21("6","3","2","3","5","1","2","1") = "5"
    & skf21("6","3","2","3","5","1","3","1") = "5"
    & skf21("6","3","2","3","5","1","4","1") = "5"
    & skf21("6","3","2","3","5","1","5","1") = "5"
    & skf21("6","3","2","3","5","1","6","1") = "5"
    & skf21("6","3","2","3","5","1","7","1") = "6"
    & skf21("6","3","2","3","5","2","1","1") = "5"
    & skf21("6","3","2","3","5","2","2","1") = "5"
    & skf21("6","3","2","3","5","2","3","1") = "5"
    & skf21("6","3","2","3","5","2","4","1") = "5"
    & skf21("6","3","2","3","5","2","5","1") = "5"
    & skf21("6","3","2","3","5","2","6","1") = "5"
    & skf21("6","3","2","3","5","2","7","1") = "6"
    & skf21("6","3","2","3","5","3","1","1") = "5"
    & skf21("6","3","2","3","5","3","2","1") = "5"
    & skf21("6","3","2","3","5","3","3","1") = "5"
    & skf21("6","3","2","3","5","3","4","1") = "5"
    & skf21("6","3","2","3","5","3","5","1") = "5"
    & skf21("6","3","2","3","5","3","6","1") = "5"
    & skf21("6","3","2","3","5","3","7","1") = "6"
    & skf21("6","3","2","3","5","4","1","1") = "5"
    & skf21("6","3","2","3","5","4","2","1") = "5"
    & skf21("6","3","2","3","5","4","3","1") = "5"
    & skf21("6","3","2","3","5","4","4","1") = "5"
    & skf21("6","3","2","3","5","4","5","1") = "5"
    & skf21("6","3","2","3","5","4","6","1") = "5"
    & skf21("6","3","2","3","5","4","7","1") = "6"
    & skf21("6","3","2","3","5","5","1","1") = "5"
    & skf21("6","3","2","3","5","5","2","1") = "5"
    & skf21("6","3","2","3","5","5","3","1") = "5"
    & skf21("6","3","2","3","5","5","4","1") = "5"
    & skf21("6","3","2","3","5","5","5","1") = "5"
    & skf21("6","3","2","3","5","5","6","1") = "5"
    & skf21("6","3","2","3","5","5","7","1") = "6"
    & skf21("6","3","2","3","5","6","1","1") = "5"
    & skf21("6","3","2","3","5","6","2","1") = "5"
    & skf21("6","3","2","3","5","6","3","1") = "5"
    & skf21("6","3","2","3","5","6","4","1") = "5"
    & skf21("6","3","2","3","5","6","5","1") = "5"
    & skf21("6","3","2","3","5","6","6","1") = "5"
    & skf21("6","3","2","3","5","6","7","1") = "6"
    & skf21("6","3","2","3","5","7","1","1") = "6"
    & skf21("6","3","2","3","5","7","2","1") = "6"
    & skf21("6","3","2","3","5","7","3","1") = "6"
    & skf21("6","3","2","3","5","7","4","1") = "6"
    & skf21("6","3","2","3","5","7","5","1") = "6"
    & skf21("6","3","2","3","5","7","6","1") = "6"
    & skf21("6","3","2","3","5","7","7","1") = "6"
    & skf21("6","3","2","3","6","1","1","1") = "5"
    & skf21("6","3","2","3","6","1","2","1") = "5"
    & skf21("6","3","2","3","6","1","3","1") = "5"
    & skf21("6","3","2","3","6","1","4","1") = "5"
    & skf21("6","3","2","3","6","1","5","1") = "5"
    & skf21("6","3","2","3","6","1","6","1") = "5"
    & skf21("6","3","2","3","6","1","7","1") = "6"
    & skf21("6","3","2","3","6","2","1","1") = "5"
    & skf21("6","3","2","3","6","2","2","1") = "5"
    & skf21("6","3","2","3","6","2","3","1") = "5"
    & skf21("6","3","2","3","6","2","4","1") = "5"
    & skf21("6","3","2","3","6","2","5","1") = "5"
    & skf21("6","3","2","3","6","2","6","1") = "5"
    & skf21("6","3","2","3","6","2","7","1") = "6"
    & skf21("6","3","2","3","6","3","1","1") = "5"
    & skf21("6","3","2","3","6","3","2","1") = "5"
    & skf21("6","3","2","3","6","3","3","1") = "5"
    & skf21("6","3","2","3","6","3","4","1") = "5"
    & skf21("6","3","2","3","6","3","5","1") = "5"
    & skf21("6","3","2","3","6","3","6","1") = "5"
    & skf21("6","3","2","3","6","3","7","1") = "6"
    & skf21("6","3","2","3","6","4","1","1") = "5"
    & skf21("6","3","2","3","6","4","2","1") = "5"
    & skf21("6","3","2","3","6","4","3","1") = "5"
    & skf21("6","3","2","3","6","4","4","1") = "5"
    & skf21("6","3","2","3","6","4","5","1") = "5"
    & skf21("6","3","2","3","6","4","6","1") = "5"
    & skf21("6","3","2","3","6","4","7","1") = "6"
    & skf21("6","3","2","3","6","5","1","1") = "5"
    & skf21("6","3","2","3","6","5","2","1") = "5"
    & skf21("6","3","2","3","6","5","3","1") = "5"
    & skf21("6","3","2","3","6","5","4","1") = "5"
    & skf21("6","3","2","3","6","5","5","1") = "5"
    & skf21("6","3","2","3","6","5","6","1") = "5"
    & skf21("6","3","2","3","6","5","7","1") = "6"
    & skf21("6","3","2","3","6","6","1","1") = "5"
    & skf21("6","3","2","3","6","6","2","1") = "5"
    & skf21("6","3","2","3","6","6","3","1") = "5"
    & skf21("6","3","2","3","6","6","4","1") = "5"
    & skf21("6","3","2","3","6","6","5","1") = "5"
    & skf21("6","3","2","3","6","6","6","1") = "5"
    & skf21("6","3","2","3","6","6","7","1") = "6"
    & skf21("6","3","2","3","6","7","1","1") = "6"
    & skf21("6","3","2","3","6","7","2","1") = "6"
    & skf21("6","3","2","3","6","7","3","1") = "6"
    & skf21("6","3","2","3","6","7","4","1") = "6"
    & skf21("6","3","2","3","6","7","5","1") = "6"
    & skf21("6","3","2","3","6","7","6","1") = "6"
    & skf21("6","3","2","3","6","7","7","1") = "6"
    & skf21("6","3","2","3","7","1","1","1") = "6"
    & skf21("6","3","2","3","7","1","2","1") = "6"
    & skf21("6","3","2","3","7","1","3","1") = "6"
    & skf21("6","3","2","3","7","1","4","1") = "6"
    & skf21("6","3","2","3","7","1","5","1") = "6"
    & skf21("6","3","2","3","7","1","6","1") = "6"
    & skf21("6","3","2","3","7","1","7","1") = "6"
    & skf21("6","3","2","3","7","2","1","1") = "6"
    & skf21("6","3","2","3","7","2","2","1") = "6"
    & skf21("6","3","2","3","7","2","3","1") = "6"
    & skf21("6","3","2","3","7","2","4","1") = "6"
    & skf21("6","3","2","3","7","2","5","1") = "6"
    & skf21("6","3","2","3","7","2","6","1") = "6"
    & skf21("6","3","2","3","7","2","7","1") = "6"
    & skf21("6","3","2","3","7","3","1","1") = "6"
    & skf21("6","3","2","3","7","3","2","1") = "6"
    & skf21("6","3","2","3","7","3","3","1") = "6"
    & skf21("6","3","2","3","7","3","4","1") = "6"
    & skf21("6","3","2","3","7","3","5","1") = "6"
    & skf21("6","3","2","3","7","3","6","1") = "6"
    & skf21("6","3","2","3","7","3","7","1") = "6"
    & skf21("6","3","2","3","7","4","1","1") = "6"
    & skf21("6","3","2","3","7","4","2","1") = "6"
    & skf21("6","3","2","3","7","4","3","1") = "6"
    & skf21("6","3","2","3","7","4","4","1") = "6"
    & skf21("6","3","2","3","7","4","5","1") = "6"
    & skf21("6","3","2","3","7","4","6","1") = "6"
    & skf21("6","3","2","3","7","4","7","1") = "6"
    & skf21("6","3","2","3","7","5","1","1") = "6"
    & skf21("6","3","2","3","7","5","2","1") = "6"
    & skf21("6","3","2","3","7","5","3","1") = "6"
    & skf21("6","3","2","3","7","5","4","1") = "6"
    & skf21("6","3","2","3","7","5","5","1") = "6"
    & skf21("6","3","2","3","7","5","6","1") = "6"
    & skf21("6","3","2","3","7","5","7","1") = "6"
    & skf21("6","3","2","3","7","6","1","1") = "6"
    & skf21("6","3","2","3","7","6","2","1") = "6"
    & skf21("6","3","2","3","7","6","3","1") = "6"
    & skf21("6","3","2","3","7","6","4","1") = "6"
    & skf21("6","3","2","3","7","6","5","1") = "6"
    & skf21("6","3","2","3","7","6","6","1") = "6"
    & skf21("6","3","2","3","7","6","7","1") = "6"
    & skf21("6","3","2","3","7","7","1","1") = "6"
    & skf21("6","3","2","3","7","7","2","1") = "6"
    & skf21("6","3","2","3","7","7","3","1") = "6"
    & skf21("6","3","2","3","7","7","4","1") = "6"
    & skf21("6","3","2","3","7","7","5","1") = "6"
    & skf21("6","3","2","3","7","7","6","1") = "6"
    & skf21("6","3","2","3","7","7","7","1") = "6"
    & skf21("6","3","2","4","1","1","1","1") = "5"
    & skf21("6","3","2","4","1","1","2","1") = "5"
    & skf21("6","3","2","4","1","1","3","1") = "5"
    & skf21("6","3","2","4","1","1","4","1") = "5"
    & skf21("6","3","2","4","1","1","5","1") = "5"
    & skf21("6","3","2","4","1","1","6","1") = "5"
    & skf21("6","3","2","4","1","1","7","1") = "6"
    & skf21("6","3","2","4","1","2","1","1") = "5"
    & skf21("6","3","2","4","1","2","2","1") = "5"
    & skf21("6","3","2","4","1","2","3","1") = "5"
    & skf21("6","3","2","4","1","2","4","1") = "5"
    & skf21("6","3","2","4","1","2","5","1") = "5"
    & skf21("6","3","2","4","1","2","6","1") = "5"
    & skf21("6","3","2","4","1","2","7","1") = "6"
    & skf21("6","3","2","4","1","3","1","1") = "5"
    & skf21("6","3","2","4","1","3","2","1") = "5"
    & skf21("6","3","2","4","1","3","3","1") = "5"
    & skf21("6","3","2","4","1","3","4","1") = "5"
    & skf21("6","3","2","4","1","3","5","1") = "5"
    & skf21("6","3","2","4","1","3","6","1") = "5"
    & skf21("6","3","2","4","1","3","7","1") = "6"
    & skf21("6","3","2","4","1","4","1","1") = "5"
    & skf21("6","3","2","4","1","4","2","1") = "5"
    & skf21("6","3","2","4","1","4","3","1") = "5"
    & skf21("6","3","2","4","1","4","4","1") = "5"
    & skf21("6","3","2","4","1","4","5","1") = "5"
    & skf21("6","3","2","4","1","4","6","1") = "5"
    & skf21("6","3","2","4","1","4","7","1") = "6"
    & skf21("6","3","2","4","1","5","1","1") = "5"
    & skf21("6","3","2","4","1","5","2","1") = "5"
    & skf21("6","3","2","4","1","5","3","1") = "5"
    & skf21("6","3","2","4","1","5","4","1") = "5"
    & skf21("6","3","2","4","1","5","5","1") = "5"
    & skf21("6","3","2","4","1","5","6","1") = "5"
    & skf21("6","3","2","4","1","5","7","1") = "6"
    & skf21("6","3","2","4","1","6","1","1") = "5"
    & skf21("6","3","2","4","1","6","2","1") = "5"
    & skf21("6","3","2","4","1","6","3","1") = "5"
    & skf21("6","3","2","4","1","6","4","1") = "5"
    & skf21("6","3","2","4","1","6","5","1") = "5"
    & skf21("6","3","2","4","1","6","6","1") = "5"
    & skf21("6","3","2","4","1","6","7","1") = "6"
    & skf21("6","3","2","4","1","7","1","1") = "6"
    & skf21("6","3","2","4","1","7","2","1") = "6"
    & skf21("6","3","2","4","1","7","3","1") = "6"
    & skf21("6","3","2","4","1","7","4","1") = "6"
    & skf21("6","3","2","4","1","7","5","1") = "6"
    & skf21("6","3","2","4","1","7","6","1") = "6"
    & skf21("6","3","2","4","1","7","7","1") = "6"
    & skf21("6","3","2","4","2","1","1","1") = "5"
    & skf21("6","3","2","4","2","1","2","1") = "5"
    & skf21("6","3","2","4","2","1","3","1") = "5"
    & skf21("6","3","2","4","2","1","4","1") = "5"
    & skf21("6","3","2","4","2","1","5","1") = "5"
    & skf21("6","3","2","4","2","1","6","1") = "5"
    & skf21("6","3","2","4","2","1","7","1") = "6"
    & skf21("6","3","2","4","2","2","1","1") = "5"
    & skf21("6","3","2","4","2","2","2","1") = "5"
    & skf21("6","3","2","4","2","2","3","1") = "5"
    & skf21("6","3","2","4","2","2","4","1") = "5"
    & skf21("6","3","2","4","2","2","5","1") = "5"
    & skf21("6","3","2","4","2","2","6","1") = "5"
    & skf21("6","3","2","4","2","2","7","1") = "6"
    & skf21("6","3","2","4","2","3","1","1") = "5"
    & skf21("6","3","2","4","2","3","2","1") = "5"
    & skf21("6","3","2","4","2","3","3","1") = "5"
    & skf21("6","3","2","4","2","3","4","1") = "5"
    & skf21("6","3","2","4","2","3","5","1") = "5"
    & skf21("6","3","2","4","2","3","6","1") = "5"
    & skf21("6","3","2","4","2","3","7","1") = "6"
    & skf21("6","3","2","4","2","4","1","1") = "5"
    & skf21("6","3","2","4","2","4","2","1") = "5"
    & skf21("6","3","2","4","2","4","3","1") = "5"
    & skf21("6","3","2","4","2","4","4","1") = "5"
    & skf21("6","3","2","4","2","4","5","1") = "5"
    & skf21("6","3","2","4","2","4","6","1") = "5"
    & skf21("6","3","2","4","2","4","7","1") = "6"
    & skf21("6","3","2","4","2","5","1","1") = "5"
    & skf21("6","3","2","4","2","5","2","1") = "5"
    & skf21("6","3","2","4","2","5","3","1") = "5"
    & skf21("6","3","2","4","2","5","4","1") = "5"
    & skf21("6","3","2","4","2","5","5","1") = "5"
    & skf21("6","3","2","4","2","5","6","1") = "5"
    & skf21("6","3","2","4","2","5","7","1") = "6"
    & skf21("6","3","2","4","2","6","1","1") = "5"
    & skf21("6","3","2","4","2","6","2","1") = "5"
    & skf21("6","3","2","4","2","6","3","1") = "5"
    & skf21("6","3","2","4","2","6","4","1") = "5"
    & skf21("6","3","2","4","2","6","5","1") = "5"
    & skf21("6","3","2","4","2","6","6","1") = "5"
    & skf21("6","3","2","4","2","6","7","1") = "6"
    & skf21("6","3","2","4","2","7","1","1") = "6"
    & skf21("6","3","2","4","2","7","2","1") = "6"
    & skf21("6","3","2","4","2","7","3","1") = "6"
    & skf21("6","3","2","4","2","7","4","1") = "6"
    & skf21("6","3","2","4","2","7","5","1") = "6"
    & skf21("6","3","2","4","2","7","6","1") = "6"
    & skf21("6","3","2","4","2","7","7","1") = "6"
    & skf21("6","3","2","4","3","1","1","1") = "5"
    & skf21("6","3","2","4","3","1","2","1") = "5"
    & skf21("6","3","2","4","3","1","3","1") = "5"
    & skf21("6","3","2","4","3","1","4","1") = "5"
    & skf21("6","3","2","4","3","1","5","1") = "5"
    & skf21("6","3","2","4","3","1","6","1") = "5"
    & skf21("6","3","2","4","3","1","7","1") = "6"
    & skf21("6","3","2","4","3","2","1","1") = "5"
    & skf21("6","3","2","4","3","2","2","1") = "5"
    & skf21("6","3","2","4","3","2","3","1") = "5"
    & skf21("6","3","2","4","3","2","4","1") = "5"
    & skf21("6","3","2","4","3","2","5","1") = "5"
    & skf21("6","3","2","4","3","2","6","1") = "5"
    & skf21("6","3","2","4","3","2","7","1") = "6"
    & skf21("6","3","2","4","3","3","1","1") = "5"
    & skf21("6","3","2","4","3","3","2","1") = "5"
    & skf21("6","3","2","4","3","3","3","1") = "5"
    & skf21("6","3","2","4","3","3","4","1") = "5"
    & skf21("6","3","2","4","3","3","5","1") = "5"
    & skf21("6","3","2","4","3","3","6","1") = "5"
    & skf21("6","3","2","4","3","3","7","1") = "6"
    & skf21("6","3","2","4","3","4","1","1") = "5"
    & skf21("6","3","2","4","3","4","2","1") = "5"
    & skf21("6","3","2","4","3","4","3","1") = "5"
    & skf21("6","3","2","4","3","4","4","1") = "5"
    & skf21("6","3","2","4","3","4","5","1") = "5"
    & skf21("6","3","2","4","3","4","6","1") = "5"
    & skf21("6","3","2","4","3","4","7","1") = "6"
    & skf21("6","3","2","4","3","5","1","1") = "5"
    & skf21("6","3","2","4","3","5","2","1") = "5"
    & skf21("6","3","2","4","3","5","3","1") = "5"
    & skf21("6","3","2","4","3","5","4","1") = "5"
    & skf21("6","3","2","4","3","5","5","1") = "5"
    & skf21("6","3","2","4","3","5","6","1") = "5"
    & skf21("6","3","2","4","3","5","7","1") = "6"
    & skf21("6","3","2","4","3","6","1","1") = "5"
    & skf21("6","3","2","4","3","6","2","1") = "5"
    & skf21("6","3","2","4","3","6","3","1") = "5"
    & skf21("6","3","2","4","3","6","4","1") = "5"
    & skf21("6","3","2","4","3","6","5","1") = "5"
    & skf21("6","3","2","4","3","6","6","1") = "5"
    & skf21("6","3","2","4","3","6","7","1") = "6"
    & skf21("6","3","2","4","3","7","1","1") = "6"
    & skf21("6","3","2","4","3","7","2","1") = "6"
    & skf21("6","3","2","4","3","7","3","1") = "6"
    & skf21("6","3","2","4","3","7","4","1") = "6"
    & skf21("6","3","2","4","3","7","5","1") = "6"
    & skf21("6","3","2","4","3","7","6","1") = "6"
    & skf21("6","3","2","4","3","7","7","1") = "6"
    & skf21("6","3","2","4","4","1","1","1") = "5"
    & skf21("6","3","2","4","4","1","2","1") = "5"
    & skf21("6","3","2","4","4","1","3","1") = "5"
    & skf21("6","3","2","4","4","1","4","1") = "5"
    & skf21("6","3","2","4","4","1","5","1") = "5"
    & skf21("6","3","2","4","4","1","6","1") = "5"
    & skf21("6","3","2","4","4","1","7","1") = "6"
    & skf21("6","3","2","4","4","2","1","1") = "5"
    & skf21("6","3","2","4","4","2","2","1") = "5"
    & skf21("6","3","2","4","4","2","3","1") = "5"
    & skf21("6","3","2","4","4","2","4","1") = "5"
    & skf21("6","3","2","4","4","2","5","1") = "5"
    & skf21("6","3","2","4","4","2","6","1") = "5"
    & skf21("6","3","2","4","4","2","7","1") = "6"
    & skf21("6","3","2","4","4","3","1","1") = "5"
    & skf21("6","3","2","4","4","3","2","1") = "5"
    & skf21("6","3","2","4","4","3","3","1") = "5"
    & skf21("6","3","2","4","4","3","4","1") = "5"
    & skf21("6","3","2","4","4","3","5","1") = "5"
    & skf21("6","3","2","4","4","3","6","1") = "5"
    & skf21("6","3","2","4","4","3","7","1") = "6"
    & skf21("6","3","2","4","4","4","1","1") = "5"
    & skf21("6","3","2","4","4","4","2","1") = "5"
    & skf21("6","3","2","4","4","4","3","1") = "5"
    & skf21("6","3","2","4","4","4","4","1") = "5"
    & skf21("6","3","2","4","4","4","5","1") = "5"
    & skf21("6","3","2","4","4","4","6","1") = "5"
    & skf21("6","3","2","4","4","4","7","1") = "6"
    & skf21("6","3","2","4","4","5","1","1") = "5"
    & skf21("6","3","2","4","4","5","2","1") = "5"
    & skf21("6","3","2","4","4","5","3","1") = "5"
    & skf21("6","3","2","4","4","5","4","1") = "5"
    & skf21("6","3","2","4","4","5","5","1") = "5"
    & skf21("6","3","2","4","4","5","6","1") = "5"
    & skf21("6","3","2","4","4","5","7","1") = "6"
    & skf21("6","3","2","4","4","6","1","1") = "5"
    & skf21("6","3","2","4","4","6","2","1") = "5"
    & skf21("6","3","2","4","4","6","3","1") = "5"
    & skf21("6","3","2","4","4","6","4","1") = "5"
    & skf21("6","3","2","4","4","6","5","1") = "5"
    & skf21("6","3","2","4","4","6","6","1") = "5"
    & skf21("6","3","2","4","4","6","7","1") = "6"
    & skf21("6","3","2","4","4","7","1","1") = "6"
    & skf21("6","3","2","4","4","7","2","1") = "6"
    & skf21("6","3","2","4","4","7","3","1") = "6"
    & skf21("6","3","2","4","4","7","4","1") = "6"
    & skf21("6","3","2","4","4","7","5","1") = "6"
    & skf21("6","3","2","4","4","7","6","1") = "6"
    & skf21("6","3","2","4","4","7","7","1") = "6"
    & skf21("6","3","2","4","5","1","1","1") = "5"
    & skf21("6","3","2","4","5","1","2","1") = "5"
    & skf21("6","3","2","4","5","1","3","1") = "5"
    & skf21("6","3","2","4","5","1","4","1") = "5"
    & skf21("6","3","2","4","5","1","5","1") = "5"
    & skf21("6","3","2","4","5","1","6","1") = "5"
    & skf21("6","3","2","4","5","1","7","1") = "6"
    & skf21("6","3","2","4","5","2","1","1") = "5"
    & skf21("6","3","2","4","5","2","2","1") = "5"
    & skf21("6","3","2","4","5","2","3","1") = "5"
    & skf21("6","3","2","4","5","2","4","1") = "5"
    & skf21("6","3","2","4","5","2","5","1") = "5"
    & skf21("6","3","2","4","5","2","6","1") = "5"
    & skf21("6","3","2","4","5","2","7","1") = "6"
    & skf21("6","3","2","4","5","3","1","1") = "5"
    & skf21("6","3","2","4","5","3","2","1") = "5"
    & skf21("6","3","2","4","5","3","3","1") = "5"
    & skf21("6","3","2","4","5","3","4","1") = "5"
    & skf21("6","3","2","4","5","3","5","1") = "5"
    & skf21("6","3","2","4","5","3","6","1") = "5"
    & skf21("6","3","2","4","5","3","7","1") = "6"
    & skf21("6","3","2","4","5","4","1","1") = "5"
    & skf21("6","3","2","4","5","4","2","1") = "5"
    & skf21("6","3","2","4","5","4","3","1") = "5"
    & skf21("6","3","2","4","5","4","4","1") = "5"
    & skf21("6","3","2","4","5","4","5","1") = "5"
    & skf21("6","3","2","4","5","4","6","1") = "5"
    & skf21("6","3","2","4","5","4","7","1") = "6"
    & skf21("6","3","2","4","5","5","1","1") = "5"
    & skf21("6","3","2","4","5","5","2","1") = "5"
    & skf21("6","3","2","4","5","5","3","1") = "5"
    & skf21("6","3","2","4","5","5","4","1") = "5"
    & skf21("6","3","2","4","5","5","5","1") = "5"
    & skf21("6","3","2","4","5","5","6","1") = "5"
    & skf21("6","3","2","4","5","5","7","1") = "6"
    & skf21("6","3","2","4","5","6","1","1") = "5"
    & skf21("6","3","2","4","5","6","2","1") = "5"
    & skf21("6","3","2","4","5","6","3","1") = "5"
    & skf21("6","3","2","4","5","6","4","1") = "5"
    & skf21("6","3","2","4","5","6","5","1") = "5"
    & skf21("6","3","2","4","5","6","6","1") = "5"
    & skf21("6","3","2","4","5","6","7","1") = "6"
    & skf21("6","3","2","4","5","7","1","1") = "6"
    & skf21("6","3","2","4","5","7","2","1") = "6"
    & skf21("6","3","2","4","5","7","3","1") = "6"
    & skf21("6","3","2","4","5","7","4","1") = "6"
    & skf21("6","3","2","4","5","7","5","1") = "6"
    & skf21("6","3","2","4","5","7","6","1") = "6"
    & skf21("6","3","2","4","5","7","7","1") = "6"
    & skf21("6","3","2","4","6","1","1","1") = "5"
    & skf21("6","3","2","4","6","1","2","1") = "5"
    & skf21("6","3","2","4","6","1","3","1") = "5"
    & skf21("6","3","2","4","6","1","4","1") = "5"
    & skf21("6","3","2","4","6","1","5","1") = "5"
    & skf21("6","3","2","4","6","1","6","1") = "5"
    & skf21("6","3","2","4","6","1","7","1") = "6"
    & skf21("6","3","2","4","6","2","1","1") = "5"
    & skf21("6","3","2","4","6","2","2","1") = "5"
    & skf21("6","3","2","4","6","2","3","1") = "5"
    & skf21("6","3","2","4","6","2","4","1") = "5"
    & skf21("6","3","2","4","6","2","5","1") = "5"
    & skf21("6","3","2","4","6","2","6","1") = "5"
    & skf21("6","3","2","4","6","2","7","1") = "6"
    & skf21("6","3","2","4","6","3","1","1") = "5"
    & skf21("6","3","2","4","6","3","2","1") = "5"
    & skf21("6","3","2","4","6","3","3","1") = "5"
    & skf21("6","3","2","4","6","3","4","1") = "5"
    & skf21("6","3","2","4","6","3","5","1") = "5"
    & skf21("6","3","2","4","6","3","6","1") = "5"
    & skf21("6","3","2","4","6","3","7","1") = "6"
    & skf21("6","3","2","4","6","4","1","1") = "5"
    & skf21("6","3","2","4","6","4","2","1") = "5"
    & skf21("6","3","2","4","6","4","3","1") = "5"
    & skf21("6","3","2","4","6","4","4","1") = "5"
    & skf21("6","3","2","4","6","4","5","1") = "5"
    & skf21("6","3","2","4","6","4","6","1") = "5"
    & skf21("6","3","2","4","6","4","7","1") = "6"
    & skf21("6","3","2","4","6","5","1","1") = "5"
    & skf21("6","3","2","4","6","5","2","1") = "5"
    & skf21("6","3","2","4","6","5","3","1") = "5"
    & skf21("6","3","2","4","6","5","4","1") = "5"
    & skf21("6","3","2","4","6","5","5","1") = "5"
    & skf21("6","3","2","4","6","5","6","1") = "5"
    & skf21("6","3","2","4","6","5","7","1") = "6"
    & skf21("6","3","2","4","6","6","1","1") = "5"
    & skf21("6","3","2","4","6","6","2","1") = "5"
    & skf21("6","3","2","4","6","6","3","1") = "5"
    & skf21("6","3","2","4","6","6","4","1") = "5"
    & skf21("6","3","2","4","6","6","5","1") = "5"
    & skf21("6","3","2","4","6","6","6","1") = "5"
    & skf21("6","3","2","4","6","6","7","1") = "6"
    & skf21("6","3","2","4","6","7","1","1") = "6"
    & skf21("6","3","2","4","6","7","2","1") = "6"
    & skf21("6","3","2","4","6","7","3","1") = "6"
    & skf21("6","3","2","4","6","7","4","1") = "6"
    & skf21("6","3","2","4","6","7","5","1") = "6"
    & skf21("6","3","2","4","6","7","6","1") = "6"
    & skf21("6","3","2","4","6","7","7","1") = "6"
    & skf21("6","3","2","4","7","1","1","1") = "6"
    & skf21("6","3","2","4","7","1","2","1") = "6"
    & skf21("6","3","2","4","7","1","3","1") = "6"
    & skf21("6","3","2","4","7","1","4","1") = "6"
    & skf21("6","3","2","4","7","1","5","1") = "6"
    & skf21("6","3","2","4","7","1","6","1") = "6"
    & skf21("6","3","2","4","7","1","7","1") = "6"
    & skf21("6","3","2","4","7","2","1","1") = "6"
    & skf21("6","3","2","4","7","2","2","1") = "6"
    & skf21("6","3","2","4","7","2","3","1") = "6"
    & skf21("6","3","2","4","7","2","4","1") = "6"
    & skf21("6","3","2","4","7","2","5","1") = "6"
    & skf21("6","3","2","4","7","2","6","1") = "6"
    & skf21("6","3","2","4","7","2","7","1") = "6"
    & skf21("6","3","2","4","7","3","1","1") = "6"
    & skf21("6","3","2","4","7","3","2","1") = "6"
    & skf21("6","3","2","4","7","3","3","1") = "6"
    & skf21("6","3","2","4","7","3","4","1") = "6"
    & skf21("6","3","2","4","7","3","5","1") = "6"
    & skf21("6","3","2","4","7","3","6","1") = "6"
    & skf21("6","3","2","4","7","3","7","1") = "6"
    & skf21("6","3","2","4","7","4","1","1") = "6"
    & skf21("6","3","2","4","7","4","2","1") = "6"
    & skf21("6","3","2","4","7","4","3","1") = "6"
    & skf21("6","3","2","4","7","4","4","1") = "6"
    & skf21("6","3","2","4","7","4","5","1") = "6"
    & skf21("6","3","2","4","7","4","6","1") = "6"
    & skf21("6","3","2","4","7","4","7","1") = "6"
    & skf21("6","3","2","4","7","5","1","1") = "6"
    & skf21("6","3","2","4","7","5","2","1") = "6"
    & skf21("6","3","2","4","7","5","3","1") = "6"
    & skf21("6","3","2","4","7","5","4","1") = "6"
    & skf21("6","3","2","4","7","5","5","1") = "6"
    & skf21("6","3","2","4","7","5","6","1") = "6"
    & skf21("6","3","2","4","7","5","7","1") = "6"
    & skf21("6","3","2","4","7","6","1","1") = "6"
    & skf21("6","3","2","4","7","6","2","1") = "6"
    & skf21("6","3","2","4","7","6","3","1") = "6"
    & skf21("6","3","2","4","7","6","4","1") = "6"
    & skf21("6","3","2","4","7","6","5","1") = "6"
    & skf21("6","3","2","4","7","6","6","1") = "6"
    & skf21("6","3","2","4","7","6","7","1") = "6"
    & skf21("6","3","2","4","7","7","1","1") = "6"
    & skf21("6","3","2","4","7","7","2","1") = "6"
    & skf21("6","3","2","4","7","7","3","1") = "6"
    & skf21("6","3","2","4","7","7","4","1") = "6"
    & skf21("6","3","2","4","7","7","5","1") = "6"
    & skf21("6","3","2","4","7","7","6","1") = "6"
    & skf21("6","3","2","4","7","7","7","1") = "6"
    & skf21("6","3","2","5","1","1","1","1") = "5"
    & skf21("6","3","2","5","1","1","2","1") = "5"
    & skf21("6","3","2","5","1","1","3","1") = "5"
    & skf21("6","3","2","5","1","1","4","1") = "5"
    & skf21("6","3","2","5","1","1","5","1") = "5"
    & skf21("6","3","2","5","1","1","6","1") = "5"
    & skf21("6","3","2","5","1","1","7","1") = "6"
    & skf21("6","3","2","5","1","2","1","1") = "5"
    & skf21("6","3","2","5","1","2","2","1") = "5"
    & skf21("6","3","2","5","1","2","3","1") = "5"
    & skf21("6","3","2","5","1","2","4","1") = "5"
    & skf21("6","3","2","5","1","2","5","1") = "5"
    & skf21("6","3","2","5","1","2","6","1") = "5"
    & skf21("6","3","2","5","1","2","7","1") = "6"
    & skf21("6","3","2","5","1","3","1","1") = "5"
    & skf21("6","3","2","5","1","3","2","1") = "5"
    & skf21("6","3","2","5","1","3","3","1") = "5"
    & skf21("6","3","2","5","1","3","4","1") = "5"
    & skf21("6","3","2","5","1","3","5","1") = "5"
    & skf21("6","3","2","5","1","3","6","1") = "5"
    & skf21("6","3","2","5","1","3","7","1") = "6"
    & skf21("6","3","2","5","1","4","1","1") = "5"
    & skf21("6","3","2","5","1","4","2","1") = "5"
    & skf21("6","3","2","5","1","4","3","1") = "5"
    & skf21("6","3","2","5","1","4","4","1") = "5"
    & skf21("6","3","2","5","1","4","5","1") = "5"
    & skf21("6","3","2","5","1","4","6","1") = "5"
    & skf21("6","3","2","5","1","4","7","1") = "6"
    & skf21("6","3","2","5","1","5","1","1") = "5"
    & skf21("6","3","2","5","1","5","2","1") = "5"
    & skf21("6","3","2","5","1","5","3","1") = "5"
    & skf21("6","3","2","5","1","5","4","1") = "5"
    & skf21("6","3","2","5","1","5","5","1") = "5"
    & skf21("6","3","2","5","1","5","6","1") = "5"
    & skf21("6","3","2","5","1","5","7","1") = "6"
    & skf21("6","3","2","5","1","6","1","1") = "5"
    & skf21("6","3","2","5","1","6","2","1") = "5"
    & skf21("6","3","2","5","1","6","3","1") = "5"
    & skf21("6","3","2","5","1","6","4","1") = "5"
    & skf21("6","3","2","5","1","6","5","1") = "5"
    & skf21("6","3","2","5","1","6","6","1") = "5"
    & skf21("6","3","2","5","1","6","7","1") = "6"
    & skf21("6","3","2","5","1","7","1","1") = "6"
    & skf21("6","3","2","5","1","7","2","1") = "6"
    & skf21("6","3","2","5","1","7","3","1") = "6"
    & skf21("6","3","2","5","1","7","4","1") = "6"
    & skf21("6","3","2","5","1","7","5","1") = "6"
    & skf21("6","3","2","5","1","7","6","1") = "6"
    & skf21("6","3","2","5","1","7","7","1") = "6"
    & skf21("6","3","2","5","2","1","1","1") = "5"
    & skf21("6","3","2","5","2","1","2","1") = "5"
    & skf21("6","3","2","5","2","1","3","1") = "5"
    & skf21("6","3","2","5","2","1","4","1") = "5"
    & skf21("6","3","2","5","2","1","5","1") = "5"
    & skf21("6","3","2","5","2","1","6","1") = "5"
    & skf21("6","3","2","5","2","1","7","1") = "6"
    & skf21("6","3","2","5","2","2","1","1") = "5"
    & skf21("6","3","2","5","2","2","2","1") = "5"
    & skf21("6","3","2","5","2","2","3","1") = "5"
    & skf21("6","3","2","5","2","2","4","1") = "5"
    & skf21("6","3","2","5","2","2","5","1") = "5"
    & skf21("6","3","2","5","2","2","6","1") = "5"
    & skf21("6","3","2","5","2","2","7","1") = "6"
    & skf21("6","3","2","5","2","3","1","1") = "5"
    & skf21("6","3","2","5","2","3","2","1") = "5"
    & skf21("6","3","2","5","2","3","3","1") = "5"
    & skf21("6","3","2","5","2","3","4","1") = "5"
    & skf21("6","3","2","5","2","3","5","1") = "5"
    & skf21("6","3","2","5","2","3","6","1") = "5"
    & skf21("6","3","2","5","2","3","7","1") = "6"
    & skf21("6","3","2","5","2","4","1","1") = "5"
    & skf21("6","3","2","5","2","4","2","1") = "5"
    & skf21("6","3","2","5","2","4","3","1") = "5"
    & skf21("6","3","2","5","2","4","4","1") = "5"
    & skf21("6","3","2","5","2","4","5","1") = "5"
    & skf21("6","3","2","5","2","4","6","1") = "5"
    & skf21("6","3","2","5","2","4","7","1") = "6"
    & skf21("6","3","2","5","2","5","1","1") = "5"
    & skf21("6","3","2","5","2","5","2","1") = "5"
    & skf21("6","3","2","5","2","5","3","1") = "5"
    & skf21("6","3","2","5","2","5","4","1") = "5"
    & skf21("6","3","2","5","2","5","5","1") = "5"
    & skf21("6","3","2","5","2","5","6","1") = "5"
    & skf21("6","3","2","5","2","5","7","1") = "6"
    & skf21("6","3","2","5","2","6","1","1") = "5"
    & skf21("6","3","2","5","2","6","2","1") = "5"
    & skf21("6","3","2","5","2","6","3","1") = "5"
    & skf21("6","3","2","5","2","6","4","1") = "5"
    & skf21("6","3","2","5","2","6","5","1") = "5"
    & skf21("6","3","2","5","2","6","6","1") = "5"
    & skf21("6","3","2","5","2","6","7","1") = "6"
    & skf21("6","3","2","5","2","7","1","1") = "6"
    & skf21("6","3","2","5","2","7","2","1") = "6"
    & skf21("6","3","2","5","2","7","3","1") = "6"
    & skf21("6","3","2","5","2","7","4","1") = "6"
    & skf21("6","3","2","5","2","7","5","1") = "6"
    & skf21("6","3","2","5","2","7","6","1") = "6"
    & skf21("6","3","2","5","2","7","7","1") = "6"
    & skf21("6","3","2","5","3","1","1","1") = "5"
    & skf21("6","3","2","5","3","1","2","1") = "5"
    & skf21("6","3","2","5","3","1","3","1") = "5"
    & skf21("6","3","2","5","3","1","4","1") = "5"
    & skf21("6","3","2","5","3","1","5","1") = "5"
    & skf21("6","3","2","5","3","1","6","1") = "5"
    & skf21("6","3","2","5","3","1","7","1") = "6"
    & skf21("6","3","2","5","3","2","1","1") = "5"
    & skf21("6","3","2","5","3","2","2","1") = "5"
    & skf21("6","3","2","5","3","2","3","1") = "5"
    & skf21("6","3","2","5","3","2","4","1") = "5"
    & skf21("6","3","2","5","3","2","5","1") = "5"
    & skf21("6","3","2","5","3","2","6","1") = "5"
    & skf21("6","3","2","5","3","2","7","1") = "6"
    & skf21("6","3","2","5","3","3","1","1") = "5"
    & skf21("6","3","2","5","3","3","2","1") = "5"
    & skf21("6","3","2","5","3","3","3","1") = "5"
    & skf21("6","3","2","5","3","3","4","1") = "5"
    & skf21("6","3","2","5","3","3","5","1") = "5"
    & skf21("6","3","2","5","3","3","6","1") = "5"
    & skf21("6","3","2","5","3","3","7","1") = "6"
    & skf21("6","3","2","5","3","4","1","1") = "5"
    & skf21("6","3","2","5","3","4","2","1") = "5"
    & skf21("6","3","2","5","3","4","3","1") = "5"
    & skf21("6","3","2","5","3","4","4","1") = "5"
    & skf21("6","3","2","5","3","4","5","1") = "5"
    & skf21("6","3","2","5","3","4","6","1") = "5"
    & skf21("6","3","2","5","3","4","7","1") = "6"
    & skf21("6","3","2","5","3","5","1","1") = "5"
    & skf21("6","3","2","5","3","5","2","1") = "5"
    & skf21("6","3","2","5","3","5","3","1") = "5"
    & skf21("6","3","2","5","3","5","4","1") = "5"
    & skf21("6","3","2","5","3","5","5","1") = "5"
    & skf21("6","3","2","5","3","5","6","1") = "5"
    & skf21("6","3","2","5","3","5","7","1") = "6"
    & skf21("6","3","2","5","3","6","1","1") = "5"
    & skf21("6","3","2","5","3","6","2","1") = "5"
    & skf21("6","3","2","5","3","6","3","1") = "5"
    & skf21("6","3","2","5","3","6","4","1") = "5"
    & skf21("6","3","2","5","3","6","5","1") = "5"
    & skf21("6","3","2","5","3","6","6","1") = "5"
    & skf21("6","3","2","5","3","6","7","1") = "6"
    & skf21("6","3","2","5","3","7","1","1") = "6"
    & skf21("6","3","2","5","3","7","2","1") = "6"
    & skf21("6","3","2","5","3","7","3","1") = "6"
    & skf21("6","3","2","5","3","7","4","1") = "6"
    & skf21("6","3","2","5","3","7","5","1") = "6"
    & skf21("6","3","2","5","3","7","6","1") = "6"
    & skf21("6","3","2","5","3","7","7","1") = "6"
    & skf21("6","3","2","5","4","1","1","1") = "5"
    & skf21("6","3","2","5","4","1","2","1") = "5"
    & skf21("6","3","2","5","4","1","3","1") = "5"
    & skf21("6","3","2","5","4","1","4","1") = "5"
    & skf21("6","3","2","5","4","1","5","1") = "5"
    & skf21("6","3","2","5","4","1","6","1") = "5"
    & skf21("6","3","2","5","4","1","7","1") = "6"
    & skf21("6","3","2","5","4","2","1","1") = "5"
    & skf21("6","3","2","5","4","2","2","1") = "5"
    & skf21("6","3","2","5","4","2","3","1") = "5"
    & skf21("6","3","2","5","4","2","4","1") = "5"
    & skf21("6","3","2","5","4","2","5","1") = "5"
    & skf21("6","3","2","5","4","2","6","1") = "5"
    & skf21("6","3","2","5","4","2","7","1") = "6"
    & skf21("6","3","2","5","4","3","1","1") = "5"
    & skf21("6","3","2","5","4","3","2","1") = "5"
    & skf21("6","3","2","5","4","3","3","1") = "5"
    & skf21("6","3","2","5","4","3","4","1") = "5"
    & skf21("6","3","2","5","4","3","5","1") = "5"
    & skf21("6","3","2","5","4","3","6","1") = "5"
    & skf21("6","3","2","5","4","3","7","1") = "6"
    & skf21("6","3","2","5","4","4","1","1") = "5"
    & skf21("6","3","2","5","4","4","2","1") = "5"
    & skf21("6","3","2","5","4","4","3","1") = "5"
    & skf21("6","3","2","5","4","4","4","1") = "5"
    & skf21("6","3","2","5","4","4","5","1") = "5"
    & skf21("6","3","2","5","4","4","6","1") = "5"
    & skf21("6","3","2","5","4","4","7","1") = "6"
    & skf21("6","3","2","5","4","5","1","1") = "5"
    & skf21("6","3","2","5","4","5","2","1") = "5"
    & skf21("6","3","2","5","4","5","3","1") = "5"
    & skf21("6","3","2","5","4","5","4","1") = "5"
    & skf21("6","3","2","5","4","5","5","1") = "5"
    & skf21("6","3","2","5","4","5","6","1") = "5"
    & skf21("6","3","2","5","4","5","7","1") = "6"
    & skf21("6","3","2","5","4","6","1","1") = "5"
    & skf21("6","3","2","5","4","6","2","1") = "5"
    & skf21("6","3","2","5","4","6","3","1") = "5"
    & skf21("6","3","2","5","4","6","4","1") = "5"
    & skf21("6","3","2","5","4","6","5","1") = "5"
    & skf21("6","3","2","5","4","6","6","1") = "5"
    & skf21("6","3","2","5","4","6","7","1") = "6"
    & skf21("6","3","2","5","4","7","1","1") = "6"
    & skf21("6","3","2","5","4","7","2","1") = "6"
    & skf21("6","3","2","5","4","7","3","1") = "6"
    & skf21("6","3","2","5","4","7","4","1") = "6"
    & skf21("6","3","2","5","4","7","5","1") = "6"
    & skf21("6","3","2","5","4","7","6","1") = "6"
    & skf21("6","3","2","5","4","7","7","1") = "6"
    & skf21("6","3","2","5","5","1","1","1") = "5"
    & skf21("6","3","2","5","5","1","2","1") = "5"
    & skf21("6","3","2","5","5","1","3","1") = "5"
    & skf21("6","3","2","5","5","1","4","1") = "5"
    & skf21("6","3","2","5","5","1","5","1") = "5"
    & skf21("6","3","2","5","5","1","6","1") = "5"
    & skf21("6","3","2","5","5","1","7","1") = "6"
    & skf21("6","3","2","5","5","2","1","1") = "5"
    & skf21("6","3","2","5","5","2","2","1") = "5"
    & skf21("6","3","2","5","5","2","3","1") = "5"
    & skf21("6","3","2","5","5","2","4","1") = "5"
    & skf21("6","3","2","5","5","2","5","1") = "5"
    & skf21("6","3","2","5","5","2","6","1") = "5"
    & skf21("6","3","2","5","5","2","7","1") = "6"
    & skf21("6","3","2","5","5","3","1","1") = "5"
    & skf21("6","3","2","5","5","3","2","1") = "5"
    & skf21("6","3","2","5","5","3","3","1") = "5"
    & skf21("6","3","2","5","5","3","4","1") = "5"
    & skf21("6","3","2","5","5","3","5","1") = "5"
    & skf21("6","3","2","5","5","3","6","1") = "5"
    & skf21("6","3","2","5","5","3","7","1") = "6"
    & skf21("6","3","2","5","5","4","1","1") = "5"
    & skf21("6","3","2","5","5","4","2","1") = "5"
    & skf21("6","3","2","5","5","4","3","1") = "5"
    & skf21("6","3","2","5","5","4","4","1") = "5"
    & skf21("6","3","2","5","5","4","5","1") = "5"
    & skf21("6","3","2","5","5","4","6","1") = "5"
    & skf21("6","3","2","5","5","4","7","1") = "6"
    & skf21("6","3","2","5","5","5","1","1") = "5"
    & skf21("6","3","2","5","5","5","2","1") = "5"
    & skf21("6","3","2","5","5","5","3","1") = "5"
    & skf21("6","3","2","5","5","5","4","1") = "5"
    & skf21("6","3","2","5","5","5","5","1") = "5"
    & skf21("6","3","2","5","5","5","6","1") = "5"
    & skf21("6","3","2","5","5","5","7","1") = "6"
    & skf21("6","3","2","5","5","6","1","1") = "5"
    & skf21("6","3","2","5","5","6","2","1") = "5"
    & skf21("6","3","2","5","5","6","3","1") = "5"
    & skf21("6","3","2","5","5","6","4","1") = "5"
    & skf21("6","3","2","5","5","6","5","1") = "5"
    & skf21("6","3","2","5","5","6","6","1") = "5"
    & skf21("6","3","2","5","5","6","7","1") = "6"
    & skf21("6","3","2","5","5","7","1","1") = "6"
    & skf21("6","3","2","5","5","7","2","1") = "6"
    & skf21("6","3","2","5","5","7","3","1") = "6"
    & skf21("6","3","2","5","5","7","4","1") = "6"
    & skf21("6","3","2","5","5","7","5","1") = "6"
    & skf21("6","3","2","5","5","7","6","1") = "6"
    & skf21("6","3","2","5","5","7","7","1") = "6"
    & skf21("6","3","2","5","6","1","1","1") = "5"
    & skf21("6","3","2","5","6","1","2","1") = "5"
    & skf21("6","3","2","5","6","1","3","1") = "5"
    & skf21("6","3","2","5","6","1","4","1") = "5"
    & skf21("6","3","2","5","6","1","5","1") = "5"
    & skf21("6","3","2","5","6","1","6","1") = "5"
    & skf21("6","3","2","5","6","1","7","1") = "6"
    & skf21("6","3","2","5","6","2","1","1") = "5"
    & skf21("6","3","2","5","6","2","2","1") = "5"
    & skf21("6","3","2","5","6","2","3","1") = "5"
    & skf21("6","3","2","5","6","2","4","1") = "5"
    & skf21("6","3","2","5","6","2","5","1") = "5"
    & skf21("6","3","2","5","6","2","6","1") = "5"
    & skf21("6","3","2","5","6","2","7","1") = "6"
    & skf21("6","3","2","5","6","3","1","1") = "5"
    & skf21("6","3","2","5","6","3","2","1") = "5"
    & skf21("6","3","2","5","6","3","3","1") = "5"
    & skf21("6","3","2","5","6","3","4","1") = "5"
    & skf21("6","3","2","5","6","3","5","1") = "5"
    & skf21("6","3","2","5","6","3","6","1") = "5"
    & skf21("6","3","2","5","6","3","7","1") = "6"
    & skf21("6","3","2","5","6","4","1","1") = "5"
    & skf21("6","3","2","5","6","4","2","1") = "5"
    & skf21("6","3","2","5","6","4","3","1") = "5"
    & skf21("6","3","2","5","6","4","4","1") = "5"
    & skf21("6","3","2","5","6","4","5","1") = "5"
    & skf21("6","3","2","5","6","4","6","1") = "5"
    & skf21("6","3","2","5","6","4","7","1") = "6"
    & skf21("6","3","2","5","6","5","1","1") = "5"
    & skf21("6","3","2","5","6","5","2","1") = "5"
    & skf21("6","3","2","5","6","5","3","1") = "5"
    & skf21("6","3","2","5","6","5","4","1") = "5"
    & skf21("6","3","2","5","6","5","5","1") = "5"
    & skf21("6","3","2","5","6","5","6","1") = "5"
    & skf21("6","3","2","5","6","5","7","1") = "6"
    & skf21("6","3","2","5","6","6","1","1") = "5"
    & skf21("6","3","2","5","6","6","2","1") = "5"
    & skf21("6","3","2","5","6","6","3","1") = "5"
    & skf21("6","3","2","5","6","6","4","1") = "5"
    & skf21("6","3","2","5","6","6","5","1") = "5"
    & skf21("6","3","2","5","6","6","6","1") = "5"
    & skf21("6","3","2","5","6","6","7","1") = "6"
    & skf21("6","3","2","5","6","7","1","1") = "6"
    & skf21("6","3","2","5","6","7","2","1") = "6"
    & skf21("6","3","2","5","6","7","3","1") = "6"
    & skf21("6","3","2","5","6","7","4","1") = "6"
    & skf21("6","3","2","5","6","7","5","1") = "6"
    & skf21("6","3","2","5","6","7","6","1") = "6"
    & skf21("6","3","2","5","6","7","7","1") = "6"
    & skf21("6","3","2","5","7","1","1","1") = "6"
    & skf21("6","3","2","5","7","1","2","1") = "6"
    & skf21("6","3","2","5","7","1","3","1") = "6"
    & skf21("6","3","2","5","7","1","4","1") = "6"
    & skf21("6","3","2","5","7","1","5","1") = "6"
    & skf21("6","3","2","5","7","1","6","1") = "6"
    & skf21("6","3","2","5","7","1","7","1") = "6"
    & skf21("6","3","2","5","7","2","1","1") = "6"
    & skf21("6","3","2","5","7","2","2","1") = "6"
    & skf21("6","3","2","5","7","2","3","1") = "6"
    & skf21("6","3","2","5","7","2","4","1") = "6"
    & skf21("6","3","2","5","7","2","5","1") = "6"
    & skf21("6","3","2","5","7","2","6","1") = "6"
    & skf21("6","3","2","5","7","2","7","1") = "6"
    & skf21("6","3","2","5","7","3","1","1") = "6"
    & skf21("6","3","2","5","7","3","2","1") = "6"
    & skf21("6","3","2","5","7","3","3","1") = "6"
    & skf21("6","3","2","5","7","3","4","1") = "6"
    & skf21("6","3","2","5","7","3","5","1") = "6"
    & skf21("6","3","2","5","7","3","6","1") = "6"
    & skf21("6","3","2","5","7","3","7","1") = "6"
    & skf21("6","3","2","5","7","4","1","1") = "6"
    & skf21("6","3","2","5","7","4","2","1") = "6"
    & skf21("6","3","2","5","7","4","3","1") = "6"
    & skf21("6","3","2","5","7","4","4","1") = "6"
    & skf21("6","3","2","5","7","4","5","1") = "6"
    & skf21("6","3","2","5","7","4","6","1") = "6"
    & skf21("6","3","2","5","7","4","7","1") = "6"
    & skf21("6","3","2","5","7","5","1","1") = "6"
    & skf21("6","3","2","5","7","5","2","1") = "6"
    & skf21("6","3","2","5","7","5","3","1") = "6"
    & skf21("6","3","2","5","7","5","4","1") = "6"
    & skf21("6","3","2","5","7","5","5","1") = "6"
    & skf21("6","3","2","5","7","5","6","1") = "6"
    & skf21("6","3","2","5","7","5","7","1") = "6"
    & skf21("6","3","2","5","7","6","1","1") = "6"
    & skf21("6","3","2","5","7","6","2","1") = "6"
    & skf21("6","3","2","5","7","6","3","1") = "6"
    & skf21("6","3","2","5","7","6","4","1") = "6"
    & skf21("6","3","2","5","7","6","5","1") = "6"
    & skf21("6","3","2","5","7","6","6","1") = "6"
    & skf21("6","3","2","5","7","6","7","1") = "6"
    & skf21("6","3","2","5","7","7","1","1") = "6"
    & skf21("6","3","2","5","7","7","2","1") = "6"
    & skf21("6","3","2","5","7","7","3","1") = "6"
    & skf21("6","3","2","5","7","7","4","1") = "6"
    & skf21("6","3","2","5","7","7","5","1") = "6"
    & skf21("6","3","2","5","7","7","6","1") = "6"
    & skf21("6","3","2","5","7","7","7","1") = "6"
    & skf21("6","3","2","6","1","1","1","1") = "5"
    & skf21("6","3","2","6","1","1","2","1") = "5"
    & skf21("6","3","2","6","1","1","3","1") = "5"
    & skf21("6","3","2","6","1","1","4","1") = "5"
    & skf21("6","3","2","6","1","1","5","1") = "5"
    & skf21("6","3","2","6","1","1","6","1") = "5"
    & skf21("6","3","2","6","1","1","7","1") = "6"
    & skf21("6","3","2","6","1","2","1","1") = "5"
    & skf21("6","3","2","6","1","2","2","1") = "5"
    & skf21("6","3","2","6","1","2","3","1") = "5"
    & skf21("6","3","2","6","1","2","4","1") = "5"
    & skf21("6","3","2","6","1","2","5","1") = "5"
    & skf21("6","3","2","6","1","2","6","1") = "5"
    & skf21("6","3","2","6","1","2","7","1") = "6"
    & skf21("6","3","2","6","1","3","1","1") = "5"
    & skf21("6","3","2","6","1","3","2","1") = "5"
    & skf21("6","3","2","6","1","3","3","1") = "5"
    & skf21("6","3","2","6","1","3","4","1") = "5"
    & skf21("6","3","2","6","1","3","5","1") = "5"
    & skf21("6","3","2","6","1","3","6","1") = "5"
    & skf21("6","3","2","6","1","3","7","1") = "6"
    & skf21("6","3","2","6","1","4","1","1") = "5"
    & skf21("6","3","2","6","1","4","2","1") = "5"
    & skf21("6","3","2","6","1","4","3","1") = "5"
    & skf21("6","3","2","6","1","4","4","1") = "5"
    & skf21("6","3","2","6","1","4","5","1") = "5"
    & skf21("6","3","2","6","1","4","6","1") = "5"
    & skf21("6","3","2","6","1","4","7","1") = "6"
    & skf21("6","3","2","6","1","5","1","1") = "5"
    & skf21("6","3","2","6","1","5","2","1") = "5"
    & skf21("6","3","2","6","1","5","3","1") = "5"
    & skf21("6","3","2","6","1","5","4","1") = "5"
    & skf21("6","3","2","6","1","5","5","1") = "5"
    & skf21("6","3","2","6","1","5","6","1") = "5"
    & skf21("6","3","2","6","1","5","7","1") = "6"
    & skf21("6","3","2","6","1","6","1","1") = "5"
    & skf21("6","3","2","6","1","6","2","1") = "5"
    & skf21("6","3","2","6","1","6","3","1") = "5"
    & skf21("6","3","2","6","1","6","4","1") = "5"
    & skf21("6","3","2","6","1","6","5","1") = "5"
    & skf21("6","3","2","6","1","6","6","1") = "5"
    & skf21("6","3","2","6","1","6","7","1") = "6"
    & skf21("6","3","2","6","1","7","1","1") = "6"
    & skf21("6","3","2","6","1","7","2","1") = "6"
    & skf21("6","3","2","6","1","7","3","1") = "6"
    & skf21("6","3","2","6","1","7","4","1") = "6"
    & skf21("6","3","2","6","1","7","5","1") = "6"
    & skf21("6","3","2","6","1","7","6","1") = "6"
    & skf21("6","3","2","6","1","7","7","1") = "6"
    & skf21("6","3","2","6","2","1","1","1") = "5"
    & skf21("6","3","2","6","2","1","2","1") = "5"
    & skf21("6","3","2","6","2","1","3","1") = "5"
    & skf21("6","3","2","6","2","1","4","1") = "5"
    & skf21("6","3","2","6","2","1","5","1") = "5"
    & skf21("6","3","2","6","2","1","6","1") = "5"
    & skf21("6","3","2","6","2","1","7","1") = "6"
    & skf21("6","3","2","6","2","2","1","1") = "5"
    & skf21("6","3","2","6","2","2","2","1") = "5"
    & skf21("6","3","2","6","2","2","3","1") = "5"
    & skf21("6","3","2","6","2","2","4","1") = "5"
    & skf21("6","3","2","6","2","2","5","1") = "5"
    & skf21("6","3","2","6","2","2","6","1") = "5"
    & skf21("6","3","2","6","2","2","7","1") = "6"
    & skf21("6","3","2","6","2","3","1","1") = "5"
    & skf21("6","3","2","6","2","3","2","1") = "5"
    & skf21("6","3","2","6","2","3","3","1") = "5"
    & skf21("6","3","2","6","2","3","4","1") = "5"
    & skf21("6","3","2","6","2","3","5","1") = "5"
    & skf21("6","3","2","6","2","3","6","1") = "5"
    & skf21("6","3","2","6","2","3","7","1") = "6"
    & skf21("6","3","2","6","2","4","1","1") = "5"
    & skf21("6","3","2","6","2","4","2","1") = "5"
    & skf21("6","3","2","6","2","4","3","1") = "5"
    & skf21("6","3","2","6","2","4","4","1") = "5"
    & skf21("6","3","2","6","2","4","5","1") = "5"
    & skf21("6","3","2","6","2","4","6","1") = "5"
    & skf21("6","3","2","6","2","4","7","1") = "6"
    & skf21("6","3","2","6","2","5","1","1") = "5"
    & skf21("6","3","2","6","2","5","2","1") = "5"
    & skf21("6","3","2","6","2","5","3","1") = "5"
    & skf21("6","3","2","6","2","5","4","1") = "5"
    & skf21("6","3","2","6","2","5","5","1") = "5"
    & skf21("6","3","2","6","2","5","6","1") = "5"
    & skf21("6","3","2","6","2","5","7","1") = "6"
    & skf21("6","3","2","6","2","6","1","1") = "5"
    & skf21("6","3","2","6","2","6","2","1") = "5"
    & skf21("6","3","2","6","2","6","3","1") = "5"
    & skf21("6","3","2","6","2","6","4","1") = "5"
    & skf21("6","3","2","6","2","6","5","1") = "5"
    & skf21("6","3","2","6","2","6","6","1") = "5"
    & skf21("6","3","2","6","2","6","7","1") = "6"
    & skf21("6","3","2","6","2","7","1","1") = "6"
    & skf21("6","3","2","6","2","7","2","1") = "6"
    & skf21("6","3","2","6","2","7","3","1") = "6"
    & skf21("6","3","2","6","2","7","4","1") = "6"
    & skf21("6","3","2","6","2","7","5","1") = "6"
    & skf21("6","3","2","6","2","7","6","1") = "6"
    & skf21("6","3","2","6","2","7","7","1") = "6"
    & skf21("6","3","2","6","3","1","1","1") = "5"
    & skf21("6","3","2","6","3","1","2","1") = "5"
    & skf21("6","3","2","6","3","1","3","1") = "5"
    & skf21("6","3","2","6","3","1","4","1") = "5"
    & skf21("6","3","2","6","3","1","5","1") = "5"
    & skf21("6","3","2","6","3","1","6","1") = "5"
    & skf21("6","3","2","6","3","1","7","1") = "6"
    & skf21("6","3","2","6","3","2","1","1") = "5"
    & skf21("6","3","2","6","3","2","2","1") = "5"
    & skf21("6","3","2","6","3","2","3","1") = "5"
    & skf21("6","3","2","6","3","2","4","1") = "5"
    & skf21("6","3","2","6","3","2","5","1") = "5"
    & skf21("6","3","2","6","3","2","6","1") = "5"
    & skf21("6","3","2","6","3","2","7","1") = "6"
    & skf21("6","3","2","6","3","3","1","1") = "5"
    & skf21("6","3","2","6","3","3","2","1") = "5"
    & skf21("6","3","2","6","3","3","3","1") = "5"
    & skf21("6","3","2","6","3","3","4","1") = "5"
    & skf21("6","3","2","6","3","3","5","1") = "5"
    & skf21("6","3","2","6","3","3","6","1") = "5"
    & skf21("6","3","2","6","3","3","7","1") = "6"
    & skf21("6","3","2","6","3","4","1","1") = "5"
    & skf21("6","3","2","6","3","4","2","1") = "5"
    & skf21("6","3","2","6","3","4","3","1") = "5"
    & skf21("6","3","2","6","3","4","4","1") = "5"
    & skf21("6","3","2","6","3","4","5","1") = "5"
    & skf21("6","3","2","6","3","4","6","1") = "5"
    & skf21("6","3","2","6","3","4","7","1") = "6"
    & skf21("6","3","2","6","3","5","1","1") = "5"
    & skf21("6","3","2","6","3","5","2","1") = "5"
    & skf21("6","3","2","6","3","5","3","1") = "5"
    & skf21("6","3","2","6","3","5","4","1") = "5"
    & skf21("6","3","2","6","3","5","5","1") = "5"
    & skf21("6","3","2","6","3","5","6","1") = "5"
    & skf21("6","3","2","6","3","5","7","1") = "6"
    & skf21("6","3","2","6","3","6","1","1") = "5"
    & skf21("6","3","2","6","3","6","2","1") = "5"
    & skf21("6","3","2","6","3","6","3","1") = "5"
    & skf21("6","3","2","6","3","6","4","1") = "5"
    & skf21("6","3","2","6","3","6","5","1") = "5"
    & skf21("6","3","2","6","3","6","6","1") = "5"
    & skf21("6","3","2","6","3","6","7","1") = "6"
    & skf21("6","3","2","6","3","7","1","1") = "6"
    & skf21("6","3","2","6","3","7","2","1") = "6"
    & skf21("6","3","2","6","3","7","3","1") = "6"
    & skf21("6","3","2","6","3","7","4","1") = "6"
    & skf21("6","3","2","6","3","7","5","1") = "6"
    & skf21("6","3","2","6","3","7","6","1") = "6"
    & skf21("6","3","2","6","3","7","7","1") = "6"
    & skf21("6","3","2","6","4","1","1","1") = "5"
    & skf21("6","3","2","6","4","1","2","1") = "5"
    & skf21("6","3","2","6","4","1","3","1") = "5"
    & skf21("6","3","2","6","4","1","4","1") = "5"
    & skf21("6","3","2","6","4","1","5","1") = "5"
    & skf21("6","3","2","6","4","1","6","1") = "5"
    & skf21("6","3","2","6","4","1","7","1") = "6"
    & skf21("6","3","2","6","4","2","1","1") = "5"
    & skf21("6","3","2","6","4","2","2","1") = "5"
    & skf21("6","3","2","6","4","2","3","1") = "5"
    & skf21("6","3","2","6","4","2","4","1") = "5"
    & skf21("6","3","2","6","4","2","5","1") = "5"
    & skf21("6","3","2","6","4","2","6","1") = "5"
    & skf21("6","3","2","6","4","2","7","1") = "6"
    & skf21("6","3","2","6","4","3","1","1") = "5"
    & skf21("6","3","2","6","4","3","2","1") = "5"
    & skf21("6","3","2","6","4","3","3","1") = "5"
    & skf21("6","3","2","6","4","3","4","1") = "5"
    & skf21("6","3","2","6","4","3","5","1") = "5"
    & skf21("6","3","2","6","4","3","6","1") = "5"
    & skf21("6","3","2","6","4","3","7","1") = "6"
    & skf21("6","3","2","6","4","4","1","1") = "5"
    & skf21("6","3","2","6","4","4","2","1") = "5"
    & skf21("6","3","2","6","4","4","3","1") = "5"
    & skf21("6","3","2","6","4","4","4","1") = "5"
    & skf21("6","3","2","6","4","4","5","1") = "5"
    & skf21("6","3","2","6","4","4","6","1") = "5"
    & skf21("6","3","2","6","4","4","7","1") = "6"
    & skf21("6","3","2","6","4","5","1","1") = "5"
    & skf21("6","3","2","6","4","5","2","1") = "5"
    & skf21("6","3","2","6","4","5","3","1") = "5"
    & skf21("6","3","2","6","4","5","4","1") = "5"
    & skf21("6","3","2","6","4","5","5","1") = "5"
    & skf21("6","3","2","6","4","5","6","1") = "5"
    & skf21("6","3","2","6","4","5","7","1") = "6"
    & skf21("6","3","2","6","4","6","1","1") = "5"
    & skf21("6","3","2","6","4","6","2","1") = "5"
    & skf21("6","3","2","6","4","6","3","1") = "5"
    & skf21("6","3","2","6","4","6","4","1") = "5"
    & skf21("6","3","2","6","4","6","5","1") = "5"
    & skf21("6","3","2","6","4","6","6","1") = "5"
    & skf21("6","3","2","6","4","6","7","1") = "6"
    & skf21("6","3","2","6","4","7","1","1") = "6"
    & skf21("6","3","2","6","4","7","2","1") = "6"
    & skf21("6","3","2","6","4","7","3","1") = "6"
    & skf21("6","3","2","6","4","7","4","1") = "6"
    & skf21("6","3","2","6","4","7","5","1") = "6"
    & skf21("6","3","2","6","4","7","6","1") = "6"
    & skf21("6","3","2","6","4","7","7","1") = "6"
    & skf21("6","3","2","6","5","1","1","1") = "5"
    & skf21("6","3","2","6","5","1","2","1") = "5"
    & skf21("6","3","2","6","5","1","3","1") = "5"
    & skf21("6","3","2","6","5","1","4","1") = "5"
    & skf21("6","3","2","6","5","1","5","1") = "5"
    & skf21("6","3","2","6","5","1","6","1") = "5"
    & skf21("6","3","2","6","5","1","7","1") = "6"
    & skf21("6","3","2","6","5","2","1","1") = "5"
    & skf21("6","3","2","6","5","2","2","1") = "5"
    & skf21("6","3","2","6","5","2","3","1") = "5"
    & skf21("6","3","2","6","5","2","4","1") = "5"
    & skf21("6","3","2","6","5","2","5","1") = "5"
    & skf21("6","3","2","6","5","2","6","1") = "5"
    & skf21("6","3","2","6","5","2","7","1") = "6"
    & skf21("6","3","2","6","5","3","1","1") = "5"
    & skf21("6","3","2","6","5","3","2","1") = "5"
    & skf21("6","3","2","6","5","3","3","1") = "5"
    & skf21("6","3","2","6","5","3","4","1") = "5"
    & skf21("6","3","2","6","5","3","5","1") = "5"
    & skf21("6","3","2","6","5","3","6","1") = "5"
    & skf21("6","3","2","6","5","3","7","1") = "6"
    & skf21("6","3","2","6","5","4","1","1") = "5"
    & skf21("6","3","2","6","5","4","2","1") = "5"
    & skf21("6","3","2","6","5","4","3","1") = "5"
    & skf21("6","3","2","6","5","4","4","1") = "5"
    & skf21("6","3","2","6","5","4","5","1") = "5"
    & skf21("6","3","2","6","5","4","6","1") = "5"
    & skf21("6","3","2","6","5","4","7","1") = "6"
    & skf21("6","3","2","6","5","5","1","1") = "5"
    & skf21("6","3","2","6","5","5","2","1") = "5"
    & skf21("6","3","2","6","5","5","3","1") = "5"
    & skf21("6","3","2","6","5","5","4","1") = "5"
    & skf21("6","3","2","6","5","5","5","1") = "5"
    & skf21("6","3","2","6","5","5","6","1") = "5"
    & skf21("6","3","2","6","5","5","7","1") = "6"
    & skf21("6","3","2","6","5","6","1","1") = "5"
    & skf21("6","3","2","6","5","6","2","1") = "5"
    & skf21("6","3","2","6","5","6","3","1") = "5"
    & skf21("6","3","2","6","5","6","4","1") = "5"
    & skf21("6","3","2","6","5","6","5","1") = "5"
    & skf21("6","3","2","6","5","6","6","1") = "5"
    & skf21("6","3","2","6","5","6","7","1") = "6"
    & skf21("6","3","2","6","5","7","1","1") = "6"
    & skf21("6","3","2","6","5","7","2","1") = "6"
    & skf21("6","3","2","6","5","7","3","1") = "6"
    & skf21("6","3","2","6","5","7","4","1") = "6"
    & skf21("6","3","2","6","5","7","5","1") = "6"
    & skf21("6","3","2","6","5","7","6","1") = "6"
    & skf21("6","3","2","6","5","7","7","1") = "6"
    & skf21("6","3","2","6","6","1","1","1") = "5"
    & skf21("6","3","2","6","6","1","2","1") = "5"
    & skf21("6","3","2","6","6","1","3","1") = "5"
    & skf21("6","3","2","6","6","1","4","1") = "5"
    & skf21("6","3","2","6","6","1","5","1") = "5"
    & skf21("6","3","2","6","6","1","6","1") = "5"
    & skf21("6","3","2","6","6","1","7","1") = "6"
    & skf21("6","3","2","6","6","2","1","1") = "5"
    & skf21("6","3","2","6","6","2","2","1") = "5"
    & skf21("6","3","2","6","6","2","3","1") = "5"
    & skf21("6","3","2","6","6","2","4","1") = "5"
    & skf21("6","3","2","6","6","2","5","1") = "5"
    & skf21("6","3","2","6","6","2","6","1") = "5"
    & skf21("6","3","2","6","6","2","7","1") = "6"
    & skf21("6","3","2","6","6","3","1","1") = "5"
    & skf21("6","3","2","6","6","3","2","1") = "5"
    & skf21("6","3","2","6","6","3","3","1") = "5"
    & skf21("6","3","2","6","6","3","4","1") = "5"
    & skf21("6","3","2","6","6","3","5","1") = "5"
    & skf21("6","3","2","6","6","3","6","1") = "5"
    & skf21("6","3","2","6","6","3","7","1") = "6"
    & skf21("6","3","2","6","6","4","1","1") = "5"
    & skf21("6","3","2","6","6","4","2","1") = "5"
    & skf21("6","3","2","6","6","4","3","1") = "5"
    & skf21("6","3","2","6","6","4","4","1") = "5"
    & skf21("6","3","2","6","6","4","5","1") = "5"
    & skf21("6","3","2","6","6","4","6","1") = "5"
    & skf21("6","3","2","6","6","4","7","1") = "6"
    & skf21("6","3","2","6","6","5","1","1") = "5"
    & skf21("6","3","2","6","6","5","2","1") = "5"
    & skf21("6","3","2","6","6","5","3","1") = "5"
    & skf21("6","3","2","6","6","5","4","1") = "5"
    & skf21("6","3","2","6","6","5","5","1") = "5"
    & skf21("6","3","2","6","6","5","6","1") = "5"
    & skf21("6","3","2","6","6","5","7","1") = "6"
    & skf21("6","3","2","6","6","6","1","1") = "5"
    & skf21("6","3","2","6","6","6","2","1") = "5"
    & skf21("6","3","2","6","6","6","3","1") = "5"
    & skf21("6","3","2","6","6","6","4","1") = "5"
    & skf21("6","3","2","6","6","6","5","1") = "5"
    & skf21("6","3","2","6","6","6","6","1") = "5"
    & skf21("6","3","2","6","6","6","7","1") = "6"
    & skf21("6","3","2","6","6","7","1","1") = "6"
    & skf21("6","3","2","6","6","7","2","1") = "6"
    & skf21("6","3","2","6","6","7","3","1") = "6"
    & skf21("6","3","2","6","6","7","4","1") = "6"
    & skf21("6","3","2","6","6","7","5","1") = "6"
    & skf21("6","3","2","6","6","7","6","1") = "6"
    & skf21("6","3","2","6","6","7","7","1") = "6"
    & skf21("6","3","2","6","7","1","1","1") = "6"
    & skf21("6","3","2","6","7","1","2","1") = "6"
    & skf21("6","3","2","6","7","1","3","1") = "6"
    & skf21("6","3","2","6","7","1","4","1") = "6"
    & skf21("6","3","2","6","7","1","5","1") = "6"
    & skf21("6","3","2","6","7","1","6","1") = "6"
    & skf21("6","3","2","6","7","1","7","1") = "6"
    & skf21("6","3","2","6","7","2","1","1") = "6"
    & skf21("6","3","2","6","7","2","2","1") = "6"
    & skf21("6","3","2","6","7","2","3","1") = "6"
    & skf21("6","3","2","6","7","2","4","1") = "6"
    & skf21("6","3","2","6","7","2","5","1") = "6"
    & skf21("6","3","2","6","7","2","6","1") = "6"
    & skf21("6","3","2","6","7","2","7","1") = "6"
    & skf21("6","3","2","6","7","3","1","1") = "6"
    & skf21("6","3","2","6","7","3","2","1") = "6"
    & skf21("6","3","2","6","7","3","3","1") = "6"
    & skf21("6","3","2","6","7","3","4","1") = "6"
    & skf21("6","3","2","6","7","3","5","1") = "6"
    & skf21("6","3","2","6","7","3","6","1") = "6"
    & skf21("6","3","2","6","7","3","7","1") = "6"
    & skf21("6","3","2","6","7","4","1","1") = "6"
    & skf21("6","3","2","6","7","4","2","1") = "6"
    & skf21("6","3","2","6","7","4","3","1") = "6"
    & skf21("6","3","2","6","7","4","4","1") = "6"
    & skf21("6","3","2","6","7","4","5","1") = "6"
    & skf21("6","3","2","6","7","4","6","1") = "6"
    & skf21("6","3","2","6","7","4","7","1") = "6"
    & skf21("6","3","2","6","7","5","1","1") = "6"
    & skf21("6","3","2","6","7","5","2","1") = "6"
    & skf21("6","3","2","6","7","5","3","1") = "6"
    & skf21("6","3","2","6","7","5","4","1") = "6"
    & skf21("6","3","2","6","7","5","5","1") = "6"
    & skf21("6","3","2","6","7","5","6","1") = "6"
    & skf21("6","3","2","6","7","5","7","1") = "6"
    & skf21("6","3","2","6","7","6","1","1") = "6"
    & skf21("6","3","2","6","7","6","2","1") = "6"
    & skf21("6","3","2","6","7","6","3","1") = "6"
    & skf21("6","3","2","6","7","6","4","1") = "6"
    & skf21("6","3","2","6","7","6","5","1") = "6"
    & skf21("6","3","2","6","7","6","6","1") = "6"
    & skf21("6","3","2","6","7","6","7","1") = "6"
    & skf21("6","3","2","6","7","7","1","1") = "6"
    & skf21("6","3","2","6","7","7","2","1") = "6"
    & skf21("6","3","2","6","7","7","3","1") = "6"
    & skf21("6","3","2","6","7","7","4","1") = "6"
    & skf21("6","3","2","6","7","7","5","1") = "6"
    & skf21("6","3","2","6","7","7","6","1") = "6"
    & skf21("6","3","2","6","7","7","7","1") = "6"
    & skf21("6","3","2","7","1","1","1","1") = "6"
    & skf21("6","3","2","7","1","1","2","1") = "6"
    & skf21("6","3","2","7","1","1","3","1") = "6"
    & skf21("6","3","2","7","1","1","4","1") = "6"
    & skf21("6","3","2","7","1","1","5","1") = "6"
    & skf21("6","3","2","7","1","1","6","1") = "6"
    & skf21("6","3","2","7","1","1","7","1") = "6"
    & skf21("6","3","2","7","1","2","1","1") = "6"
    & skf21("6","3","2","7","1","2","2","1") = "6"
    & skf21("6","3","2","7","1","2","3","1") = "6"
    & skf21("6","3","2","7","1","2","4","1") = "6"
    & skf21("6","3","2","7","1","2","5","1") = "6"
    & skf21("6","3","2","7","1","2","6","1") = "6"
    & skf21("6","3","2","7","1","2","7","1") = "6"
    & skf21("6","3","2","7","1","3","1","1") = "6"
    & skf21("6","3","2","7","1","3","2","1") = "6"
    & skf21("6","3","2","7","1","3","3","1") = "6"
    & skf21("6","3","2","7","1","3","4","1") = "6"
    & skf21("6","3","2","7","1","3","5","1") = "6"
    & skf21("6","3","2","7","1","3","6","1") = "6"
    & skf21("6","3","2","7","1","3","7","1") = "6"
    & skf21("6","3","2","7","1","4","1","1") = "6"
    & skf21("6","3","2","7","1","4","2","1") = "6"
    & skf21("6","3","2","7","1","4","3","1") = "6"
    & skf21("6","3","2","7","1","4","4","1") = "6"
    & skf21("6","3","2","7","1","4","5","1") = "6"
    & skf21("6","3","2","7","1","4","6","1") = "6"
    & skf21("6","3","2","7","1","4","7","1") = "6"
    & skf21("6","3","2","7","1","5","1","1") = "6"
    & skf21("6","3","2","7","1","5","2","1") = "6"
    & skf21("6","3","2","7","1","5","3","1") = "6"
    & skf21("6","3","2","7","1","5","4","1") = "6"
    & skf21("6","3","2","7","1","5","5","1") = "6"
    & skf21("6","3","2","7","1","5","6","1") = "6"
    & skf21("6","3","2","7","1","5","7","1") = "6"
    & skf21("6","3","2","7","1","6","1","1") = "6"
    & skf21("6","3","2","7","1","6","2","1") = "6"
    & skf21("6","3","2","7","1","6","3","1") = "6"
    & skf21("6","3","2","7","1","6","4","1") = "6"
    & skf21("6","3","2","7","1","6","5","1") = "6"
    & skf21("6","3","2","7","1","6","6","1") = "6"
    & skf21("6","3","2","7","1","6","7","1") = "6"
    & skf21("6","3","2","7","1","7","1","1") = "6"
    & skf21("6","3","2","7","1","7","2","1") = "6"
    & skf21("6","3","2","7","1","7","3","1") = "6"
    & skf21("6","3","2","7","1","7","4","1") = "6"
    & skf21("6","3","2","7","1","7","5","1") = "6"
    & skf21("6","3","2","7","1","7","6","1") = "6"
    & skf21("6","3","2","7","1","7","7","1") = "6"
    & skf21("6","3","2","7","2","1","1","1") = "6"
    & skf21("6","3","2","7","2","1","2","1") = "6"
    & skf21("6","3","2","7","2","1","3","1") = "6"
    & skf21("6","3","2","7","2","1","4","1") = "6"
    & skf21("6","3","2","7","2","1","5","1") = "6"
    & skf21("6","3","2","7","2","1","6","1") = "6"
    & skf21("6","3","2","7","2","1","7","1") = "6"
    & skf21("6","3","2","7","2","2","1","1") = "6"
    & skf21("6","3","2","7","2","2","2","1") = "6"
    & skf21("6","3","2","7","2","2","3","1") = "6"
    & skf21("6","3","2","7","2","2","4","1") = "6"
    & skf21("6","3","2","7","2","2","5","1") = "6"
    & skf21("6","3","2","7","2","2","6","1") = "6"
    & skf21("6","3","2","7","2","2","7","1") = "6"
    & skf21("6","3","2","7","2","3","1","1") = "6"
    & skf21("6","3","2","7","2","3","2","1") = "6"
    & skf21("6","3","2","7","2","3","3","1") = "6"
    & skf21("6","3","2","7","2","3","4","1") = "6"
    & skf21("6","3","2","7","2","3","5","1") = "6"
    & skf21("6","3","2","7","2","3","6","1") = "6"
    & skf21("6","3","2","7","2","3","7","1") = "6"
    & skf21("6","3","2","7","2","4","1","1") = "6"
    & skf21("6","3","2","7","2","4","2","1") = "6"
    & skf21("6","3","2","7","2","4","3","1") = "6"
    & skf21("6","3","2","7","2","4","4","1") = "6"
    & skf21("6","3","2","7","2","4","5","1") = "6"
    & skf21("6","3","2","7","2","4","6","1") = "6"
    & skf21("6","3","2","7","2","4","7","1") = "6"
    & skf21("6","3","2","7","2","5","1","1") = "6"
    & skf21("6","3","2","7","2","5","2","1") = "6"
    & skf21("6","3","2","7","2","5","3","1") = "6"
    & skf21("6","3","2","7","2","5","4","1") = "6"
    & skf21("6","3","2","7","2","5","5","1") = "6"
    & skf21("6","3","2","7","2","5","6","1") = "6"
    & skf21("6","3","2","7","2","5","7","1") = "6"
    & skf21("6","3","2","7","2","6","1","1") = "6"
    & skf21("6","3","2","7","2","6","2","1") = "6"
    & skf21("6","3","2","7","2","6","3","1") = "6"
    & skf21("6","3","2","7","2","6","4","1") = "6"
    & skf21("6","3","2","7","2","6","5","1") = "6"
    & skf21("6","3","2","7","2","6","6","1") = "6"
    & skf21("6","3","2","7","2","6","7","1") = "6"
    & skf21("6","3","2","7","2","7","1","1") = "6"
    & skf21("6","3","2","7","2","7","2","1") = "6"
    & skf21("6","3","2","7","2","7","3","1") = "6"
    & skf21("6","3","2","7","2","7","4","1") = "6"
    & skf21("6","3","2","7","2","7","5","1") = "6"
    & skf21("6","3","2","7","2","7","6","1") = "6"
    & skf21("6","3","2","7","2","7","7","1") = "6"
    & skf21("6","3","2","7","3","1","1","1") = "6"
    & skf21("6","3","2","7","3","1","2","1") = "6"
    & skf21("6","3","2","7","3","1","3","1") = "6"
    & skf21("6","3","2","7","3","1","4","1") = "6"
    & skf21("6","3","2","7","3","1","5","1") = "6"
    & skf21("6","3","2","7","3","1","6","1") = "6"
    & skf21("6","3","2","7","3","1","7","1") = "6"
    & skf21("6","3","2","7","3","2","1","1") = "6"
    & skf21("6","3","2","7","3","2","2","1") = "6"
    & skf21("6","3","2","7","3","2","3","1") = "6"
    & skf21("6","3","2","7","3","2","4","1") = "6"
    & skf21("6","3","2","7","3","2","5","1") = "6"
    & skf21("6","3","2","7","3","2","6","1") = "6"
    & skf21("6","3","2","7","3","2","7","1") = "6"
    & skf21("6","3","2","7","3","3","1","1") = "6"
    & skf21("6","3","2","7","3","3","2","1") = "6"
    & skf21("6","3","2","7","3","3","3","1") = "6"
    & skf21("6","3","2","7","3","3","4","1") = "6"
    & skf21("6","3","2","7","3","3","5","1") = "6"
    & skf21("6","3","2","7","3","3","6","1") = "6"
    & skf21("6","3","2","7","3","3","7","1") = "6"
    & skf21("6","3","2","7","3","4","1","1") = "6"
    & skf21("6","3","2","7","3","4","2","1") = "6"
    & skf21("6","3","2","7","3","4","3","1") = "6"
    & skf21("6","3","2","7","3","4","4","1") = "6"
    & skf21("6","3","2","7","3","4","5","1") = "6"
    & skf21("6","3","2","7","3","4","6","1") = "6"
    & skf21("6","3","2","7","3","4","7","1") = "6"
    & skf21("6","3","2","7","3","5","1","1") = "6"
    & skf21("6","3","2","7","3","5","2","1") = "6"
    & skf21("6","3","2","7","3","5","3","1") = "6"
    & skf21("6","3","2","7","3","5","4","1") = "6"
    & skf21("6","3","2","7","3","5","5","1") = "6"
    & skf21("6","3","2","7","3","5","6","1") = "6"
    & skf21("6","3","2","7","3","5","7","1") = "6"
    & skf21("6","3","2","7","3","6","1","1") = "6"
    & skf21("6","3","2","7","3","6","2","1") = "6"
    & skf21("6","3","2","7","3","6","3","1") = "6"
    & skf21("6","3","2","7","3","6","4","1") = "6"
    & skf21("6","3","2","7","3","6","5","1") = "6"
    & skf21("6","3","2","7","3","6","6","1") = "6"
    & skf21("6","3","2","7","3","6","7","1") = "6"
    & skf21("6","3","2","7","3","7","1","1") = "6"
    & skf21("6","3","2","7","3","7","2","1") = "6"
    & skf21("6","3","2","7","3","7","3","1") = "6"
    & skf21("6","3","2","7","3","7","4","1") = "6"
    & skf21("6","3","2","7","3","7","5","1") = "6"
    & skf21("6","3","2","7","3","7","6","1") = "6"
    & skf21("6","3","2","7","3","7","7","1") = "6"
    & skf21("6","3","2","7","4","1","1","1") = "6"
    & skf21("6","3","2","7","4","1","2","1") = "6"
    & skf21("6","3","2","7","4","1","3","1") = "6"
    & skf21("6","3","2","7","4","1","4","1") = "6"
    & skf21("6","3","2","7","4","1","5","1") = "6"
    & skf21("6","3","2","7","4","1","6","1") = "6"
    & skf21("6","3","2","7","4","1","7","1") = "6"
    & skf21("6","3","2","7","4","2","1","1") = "6"
    & skf21("6","3","2","7","4","2","2","1") = "6"
    & skf21("6","3","2","7","4","2","3","1") = "6"
    & skf21("6","3","2","7","4","2","4","1") = "6"
    & skf21("6","3","2","7","4","2","5","1") = "6"
    & skf21("6","3","2","7","4","2","6","1") = "6"
    & skf21("6","3","2","7","4","2","7","1") = "6"
    & skf21("6","3","2","7","4","3","1","1") = "6"
    & skf21("6","3","2","7","4","3","2","1") = "6"
    & skf21("6","3","2","7","4","3","3","1") = "6"
    & skf21("6","3","2","7","4","3","4","1") = "6"
    & skf21("6","3","2","7","4","3","5","1") = "6"
    & skf21("6","3","2","7","4","3","6","1") = "6"
    & skf21("6","3","2","7","4","3","7","1") = "6"
    & skf21("6","3","2","7","4","4","1","1") = "6"
    & skf21("6","3","2","7","4","4","2","1") = "6"
    & skf21("6","3","2","7","4","4","3","1") = "6"
    & skf21("6","3","2","7","4","4","4","1") = "6"
    & skf21("6","3","2","7","4","4","5","1") = "6"
    & skf21("6","3","2","7","4","4","6","1") = "6"
    & skf21("6","3","2","7","4","4","7","1") = "6"
    & skf21("6","3","2","7","4","5","1","1") = "6"
    & skf21("6","3","2","7","4","5","2","1") = "6"
    & skf21("6","3","2","7","4","5","3","1") = "6"
    & skf21("6","3","2","7","4","5","4","1") = "6"
    & skf21("6","3","2","7","4","5","5","1") = "6"
    & skf21("6","3","2","7","4","5","6","1") = "6"
    & skf21("6","3","2","7","4","5","7","1") = "6"
    & skf21("6","3","2","7","4","6","1","1") = "6"
    & skf21("6","3","2","7","4","6","2","1") = "6"
    & skf21("6","3","2","7","4","6","3","1") = "6"
    & skf21("6","3","2","7","4","6","4","1") = "6"
    & skf21("6","3","2","7","4","6","5","1") = "6"
    & skf21("6","3","2","7","4","6","6","1") = "6"
    & skf21("6","3","2","7","4","6","7","1") = "6"
    & skf21("6","3","2","7","4","7","1","1") = "6"
    & skf21("6","3","2","7","4","7","2","1") = "6"
    & skf21("6","3","2","7","4","7","3","1") = "6"
    & skf21("6","3","2","7","4","7","4","1") = "6"
    & skf21("6","3","2","7","4","7","5","1") = "6"
    & skf21("6","3","2","7","4","7","6","1") = "6"
    & skf21("6","3","2","7","4","7","7","1") = "6"
    & skf21("6","3","2","7","5","1","1","1") = "6"
    & skf21("6","3","2","7","5","1","2","1") = "6"
    & skf21("6","3","2","7","5","1","3","1") = "6"
    & skf21("6","3","2","7","5","1","4","1") = "6"
    & skf21("6","3","2","7","5","1","5","1") = "6"
    & skf21("6","3","2","7","5","1","6","1") = "6"
    & skf21("6","3","2","7","5","1","7","1") = "6"
    & skf21("6","3","2","7","5","2","1","1") = "6"
    & skf21("6","3","2","7","5","2","2","1") = "6"
    & skf21("6","3","2","7","5","2","3","1") = "6"
    & skf21("6","3","2","7","5","2","4","1") = "6"
    & skf21("6","3","2","7","5","2","5","1") = "6"
    & skf21("6","3","2","7","5","2","6","1") = "6"
    & skf21("6","3","2","7","5","2","7","1") = "6"
    & skf21("6","3","2","7","5","3","1","1") = "6"
    & skf21("6","3","2","7","5","3","2","1") = "6"
    & skf21("6","3","2","7","5","3","3","1") = "6"
    & skf21("6","3","2","7","5","3","4","1") = "6"
    & skf21("6","3","2","7","5","3","5","1") = "6"
    & skf21("6","3","2","7","5","3","6","1") = "6"
    & skf21("6","3","2","7","5","3","7","1") = "6"
    & skf21("6","3","2","7","5","4","1","1") = "6"
    & skf21("6","3","2","7","5","4","2","1") = "6"
    & skf21("6","3","2","7","5","4","3","1") = "6"
    & skf21("6","3","2","7","5","4","4","1") = "6"
    & skf21("6","3","2","7","5","4","5","1") = "6"
    & skf21("6","3","2","7","5","4","6","1") = "6"
    & skf21("6","3","2","7","5","4","7","1") = "6"
    & skf21("6","3","2","7","5","5","1","1") = "6"
    & skf21("6","3","2","7","5","5","2","1") = "6"
    & skf21("6","3","2","7","5","5","3","1") = "6"
    & skf21("6","3","2","7","5","5","4","1") = "6"
    & skf21("6","3","2","7","5","5","5","1") = "6"
    & skf21("6","3","2","7","5","5","6","1") = "6"
    & skf21("6","3","2","7","5","5","7","1") = "6"
    & skf21("6","3","2","7","5","6","1","1") = "6"
    & skf21("6","3","2","7","5","6","2","1") = "6"
    & skf21("6","3","2","7","5","6","3","1") = "6"
    & skf21("6","3","2","7","5","6","4","1") = "6"
    & skf21("6","3","2","7","5","6","5","1") = "6"
    & skf21("6","3","2","7","5","6","6","1") = "6"
    & skf21("6","3","2","7","5","6","7","1") = "6"
    & skf21("6","3","2","7","5","7","1","1") = "6"
    & skf21("6","3","2","7","5","7","2","1") = "6"
    & skf21("6","3","2","7","5","7","3","1") = "6"
    & skf21("6","3","2","7","5","7","4","1") = "6"
    & skf21("6","3","2","7","5","7","5","1") = "6"
    & skf21("6","3","2","7","5","7","6","1") = "6"
    & skf21("6","3","2","7","5","7","7","1") = "6"
    & skf21("6","3","2","7","6","1","1","1") = "6"
    & skf21("6","3","2","7","6","1","2","1") = "6"
    & skf21("6","3","2","7","6","1","3","1") = "6"
    & skf21("6","3","2","7","6","1","4","1") = "6"
    & skf21("6","3","2","7","6","1","5","1") = "6"
    & skf21("6","3","2","7","6","1","6","1") = "6"
    & skf21("6","3","2","7","6","1","7","1") = "6"
    & skf21("6","3","2","7","6","2","1","1") = "6"
    & skf21("6","3","2","7","6","2","2","1") = "6"
    & skf21("6","3","2","7","6","2","3","1") = "6"
    & skf21("6","3","2","7","6","2","4","1") = "6"
    & skf21("6","3","2","7","6","2","5","1") = "6"
    & skf21("6","3","2","7","6","2","6","1") = "6"
    & skf21("6","3","2","7","6","2","7","1") = "6"
    & skf21("6","3","2","7","6","3","1","1") = "6"
    & skf21("6","3","2","7","6","3","2","1") = "6"
    & skf21("6","3","2","7","6","3","3","1") = "6"
    & skf21("6","3","2","7","6","3","4","1") = "6"
    & skf21("6","3","2","7","6","3","5","1") = "6"
    & skf21("6","3","2","7","6","3","6","1") = "6"
    & skf21("6","3","2","7","6","3","7","1") = "6"
    & skf21("6","3","2","7","6","4","1","1") = "6"
    & skf21("6","3","2","7","6","4","2","1") = "6"
    & skf21("6","3","2","7","6","4","3","1") = "6"
    & skf21("6","3","2","7","6","4","4","1") = "6"
    & skf21("6","3","2","7","6","4","5","1") = "6"
    & skf21("6","3","2","7","6","4","6","1") = "6"
    & skf21("6","3","2","7","6","4","7","1") = "6"
    & skf21("6","3","2","7","6","5","1","1") = "6"
    & skf21("6","3","2","7","6","5","2","1") = "6"
    & skf21("6","3","2","7","6","5","3","1") = "6"
    & skf21("6","3","2","7","6","5","4","1") = "6"
    & skf21("6","3","2","7","6","5","5","1") = "6"
    & skf21("6","3","2","7","6","5","6","1") = "6"
    & skf21("6","3","2","7","6","5","7","1") = "6"
    & skf21("6","3","2","7","6","6","1","1") = "6"
    & skf21("6","3","2","7","6","6","2","1") = "6"
    & skf21("6","3","2","7","6","6","3","1") = "6"
    & skf21("6","3","2","7","6","6","4","1") = "6"
    & skf21("6","3","2","7","6","6","5","1") = "6"
    & skf21("6","3","2","7","6","6","6","1") = "6"
    & skf21("6","3","2","7","6","6","7","1") = "6"
    & skf21("6","3","2","7","6","7","1","1") = "6"
    & skf21("6","3","2","7","6","7","2","1") = "6"
    & skf21("6","3","2","7","6","7","3","1") = "6"
    & skf21("6","3","2","7","6","7","4","1") = "6"
    & skf21("6","3","2","7","6","7","5","1") = "6"
    & skf21("6","3","2","7","6","7","6","1") = "6"
    & skf21("6","3","2","7","6","7","7","1") = "6"
    & skf21("6","3","2","7","7","1","1","1") = "6"
    & skf21("6","3","2","7","7","1","2","1") = "6"
    & skf21("6","3","2","7","7","1","3","1") = "6"
    & skf21("6","3","2","7","7","1","4","1") = "6"
    & skf21("6","3","2","7","7","1","5","1") = "6"
    & skf21("6","3","2","7","7","1","6","1") = "6"
    & skf21("6","3","2","7","7","1","7","1") = "6"
    & skf21("6","3","2","7","7","2","1","1") = "6"
    & skf21("6","3","2","7","7","2","2","1") = "6"
    & skf21("6","3","2","7","7","2","3","1") = "6"
    & skf21("6","3","2","7","7","2","4","1") = "6"
    & skf21("6","3","2","7","7","2","5","1") = "6"
    & skf21("6","3","2","7","7","2","6","1") = "6"
    & skf21("6","3","2","7","7","2","7","1") = "6"
    & skf21("6","3","2","7","7","3","1","1") = "6"
    & skf21("6","3","2","7","7","3","2","1") = "6"
    & skf21("6","3","2","7","7","3","3","1") = "6"
    & skf21("6","3","2","7","7","3","4","1") = "6"
    & skf21("6","3","2","7","7","3","5","1") = "6"
    & skf21("6","3","2","7","7","3","6","1") = "6"
    & skf21("6","3","2","7","7","3","7","1") = "6"
    & skf21("6","3","2","7","7","4","1","1") = "6"
    & skf21("6","3","2","7","7","4","2","1") = "6"
    & skf21("6","3","2","7","7","4","3","1") = "6"
    & skf21("6","3","2","7","7","4","4","1") = "6"
    & skf21("6","3","2","7","7","4","5","1") = "6"
    & skf21("6","3","2","7","7","4","6","1") = "6"
    & skf21("6","3","2","7","7","4","7","1") = "6"
    & skf21("6","3","2","7","7","5","1","1") = "6"
    & skf21("6","3","2","7","7","5","2","1") = "6"
    & skf21("6","3","2","7","7","5","3","1") = "6"
    & skf21("6","3","2","7","7","5","4","1") = "6"
    & skf21("6","3","2","7","7","5","5","1") = "6"
    & skf21("6","3","2","7","7","5","6","1") = "6"
    & skf21("6","3","2","7","7","5","7","1") = "6"
    & skf21("6","3","2","7","7","6","1","1") = "6"
    & skf21("6","3","2","7","7","6","2","1") = "6"
    & skf21("6","3","2","7","7","6","3","1") = "6"
    & skf21("6","3","2","7","7","6","4","1") = "6"
    & skf21("6","3","2","7","7","6","5","1") = "6"
    & skf21("6","3","2","7","7","6","6","1") = "6"
    & skf21("6","3","2","7","7","6","7","1") = "6"
    & skf21("6","3","2","7","7","7","1","1") = "6"
    & skf21("6","3","2","7","7","7","2","1") = "6"
    & skf21("6","3","2","7","7","7","3","1") = "6"
    & skf21("6","3","2","7","7","7","4","1") = "6"
    & skf21("6","3","2","7","7","7","5","1") = "6"
    & skf21("6","3","2","7","7","7","6","1") = "6"
    & skf21("6","3","2","7","7","7","7","1") = "6"
    & skf21("6","3","3","1","1","1","1","1") = "5"
    & skf21("6","3","3","1","1","1","2","1") = "5"
    & skf21("6","3","3","1","1","1","3","1") = "5"
    & skf21("6","3","3","1","1","1","4","1") = "5"
    & skf21("6","3","3","1","1","1","5","1") = "5"
    & skf21("6","3","3","1","1","1","6","1") = "5"
    & skf21("6","3","3","1","1","1","7","1") = "6"
    & skf21("6","3","3","1","1","2","1","1") = "5"
    & skf21("6","3","3","1","1","2","2","1") = "5"
    & skf21("6","3","3","1","1","2","3","1") = "5"
    & skf21("6","3","3","1","1","2","4","1") = "5"
    & skf21("6","3","3","1","1","2","5","1") = "5"
    & skf21("6","3","3","1","1","2","6","1") = "5"
    & skf21("6","3","3","1","1","2","7","1") = "6"
    & skf21("6","3","3","1","1","3","1","1") = "5"
    & skf21("6","3","3","1","1","3","2","1") = "5"
    & skf21("6","3","3","1","1","3","3","1") = "5"
    & skf21("6","3","3","1","1","3","4","1") = "5"
    & skf21("6","3","3","1","1","3","5","1") = "5"
    & skf21("6","3","3","1","1","3","6","1") = "5"
    & skf21("6","3","3","1","1","3","7","1") = "6"
    & skf21("6","3","3","1","1","4","1","1") = "5"
    & skf21("6","3","3","1","1","4","2","1") = "5"
    & skf21("6","3","3","1","1","4","3","1") = "5"
    & skf21("6","3","3","1","1","4","4","1") = "5"
    & skf21("6","3","3","1","1","4","5","1") = "5"
    & skf21("6","3","3","1","1","4","6","1") = "5"
    & skf21("6","3","3","1","1","4","7","1") = "6"
    & skf21("6","3","3","1","1","5","1","1") = "5"
    & skf21("6","3","3","1","1","5","2","1") = "5"
    & skf21("6","3","3","1","1","5","3","1") = "5"
    & skf21("6","3","3","1","1","5","4","1") = "5"
    & skf21("6","3","3","1","1","5","5","1") = "5"
    & skf21("6","3","3","1","1","5","6","1") = "5"
    & skf21("6","3","3","1","1","5","7","1") = "6"
    & skf21("6","3","3","1","1","6","1","1") = "5"
    & skf21("6","3","3","1","1","6","2","1") = "5"
    & skf21("6","3","3","1","1","6","3","1") = "5"
    & skf21("6","3","3","1","1","6","4","1") = "5"
    & skf21("6","3","3","1","1","6","5","1") = "5"
    & skf21("6","3","3","1","1","6","6","1") = "5"
    & skf21("6","3","3","1","1","6","7","1") = "6"
    & skf21("6","3","3","1","1","7","1","1") = "6"
    & skf21("6","3","3","1","1","7","2","1") = "6"
    & skf21("6","3","3","1","1","7","3","1") = "6"
    & skf21("6","3","3","1","1","7","4","1") = "6"
    & skf21("6","3","3","1","1","7","5","1") = "6"
    & skf21("6","3","3","1","1","7","6","1") = "6"
    & skf21("6","3","3","1","1","7","7","1") = "6"
    & skf21("6","3","3","1","2","1","1","1") = "5"
    & skf21("6","3","3","1","2","1","2","1") = "5"
    & skf21("6","3","3","1","2","1","3","1") = "5"
    & skf21("6","3","3","1","2","1","4","1") = "5"
    & skf21("6","3","3","1","2","1","5","1") = "5"
    & skf21("6","3","3","1","2","1","6","1") = "5"
    & skf21("6","3","3","1","2","1","7","1") = "6"
    & skf21("6","3","3","1","2","2","1","1") = "5"
    & skf21("6","3","3","1","2","2","2","1") = "5"
    & skf21("6","3","3","1","2","2","3","1") = "5"
    & skf21("6","3","3","1","2","2","4","1") = "5"
    & skf21("6","3","3","1","2","2","5","1") = "5"
    & skf21("6","3","3","1","2","2","6","1") = "5"
    & skf21("6","3","3","1","2","2","7","1") = "6"
    & skf21("6","3","3","1","2","3","1","1") = "5"
    & skf21("6","3","3","1","2","3","2","1") = "5"
    & skf21("6","3","3","1","2","3","3","1") = "5"
    & skf21("6","3","3","1","2","3","4","1") = "5"
    & skf21("6","3","3","1","2","3","5","1") = "5"
    & skf21("6","3","3","1","2","3","6","1") = "5"
    & skf21("6","3","3","1","2","3","7","1") = "6"
    & skf21("6","3","3","1","2","4","1","1") = "5"
    & skf21("6","3","3","1","2","4","2","1") = "5"
    & skf21("6","3","3","1","2","4","3","1") = "5"
    & skf21("6","3","3","1","2","4","4","1") = "5"
    & skf21("6","3","3","1","2","4","5","1") = "5"
    & skf21("6","3","3","1","2","4","6","1") = "5"
    & skf21("6","3","3","1","2","4","7","1") = "6"
    & skf21("6","3","3","1","2","5","1","1") = "5"
    & skf21("6","3","3","1","2","5","2","1") = "5"
    & skf21("6","3","3","1","2","5","3","1") = "5"
    & skf21("6","3","3","1","2","5","4","1") = "5"
    & skf21("6","3","3","1","2","5","5","1") = "5"
    & skf21("6","3","3","1","2","5","6","1") = "5"
    & skf21("6","3","3","1","2","5","7","1") = "6"
    & skf21("6","3","3","1","2","6","1","1") = "5"
    & skf21("6","3","3","1","2","6","2","1") = "5"
    & skf21("6","3","3","1","2","6","3","1") = "5"
    & skf21("6","3","3","1","2","6","4","1") = "5"
    & skf21("6","3","3","1","2","6","5","1") = "5"
    & skf21("6","3","3","1","2","6","6","1") = "5"
    & skf21("6","3","3","1","2","6","7","1") = "6"
    & skf21("6","3","3","1","2","7","1","1") = "6"
    & skf21("6","3","3","1","2","7","2","1") = "6"
    & skf21("6","3","3","1","2","7","3","1") = "6"
    & skf21("6","3","3","1","2","7","4","1") = "6"
    & skf21("6","3","3","1","2","7","5","1") = "6"
    & skf21("6","3","3","1","2","7","6","1") = "6"
    & skf21("6","3","3","1","2","7","7","1") = "6"
    & skf21("6","3","3","1","3","1","1","1") = "5"
    & skf21("6","3","3","1","3","1","2","1") = "5"
    & skf21("6","3","3","1","3","1","3","1") = "5"
    & skf21("6","3","3","1","3","1","4","1") = "5"
    & skf21("6","3","3","1","3","1","5","1") = "5"
    & skf21("6","3","3","1","3","1","6","1") = "5"
    & skf21("6","3","3","1","3","1","7","1") = "6"
    & skf21("6","3","3","1","3","2","1","1") = "5"
    & skf21("6","3","3","1","3","2","2","1") = "5"
    & skf21("6","3","3","1","3","2","3","1") = "5"
    & skf21("6","3","3","1","3","2","4","1") = "5"
    & skf21("6","3","3","1","3","2","5","1") = "5"
    & skf21("6","3","3","1","3","2","6","1") = "5"
    & skf21("6","3","3","1","3","2","7","1") = "6"
    & skf21("6","3","3","1","3","3","1","1") = "5"
    & skf21("6","3","3","1","3","3","2","1") = "5"
    & skf21("6","3","3","1","3","3","3","1") = "5"
    & skf21("6","3","3","1","3","3","4","1") = "5"
    & skf21("6","3","3","1","3","3","5","1") = "5"
    & skf21("6","3","3","1","3","3","6","1") = "5"
    & skf21("6","3","3","1","3","3","7","1") = "6"
    & skf21("6","3","3","1","3","4","1","1") = "5"
    & skf21("6","3","3","1","3","4","2","1") = "5"
    & skf21("6","3","3","1","3","4","3","1") = "5"
    & skf21("6","3","3","1","3","4","4","1") = "5"
    & skf21("6","3","3","1","3","4","5","1") = "5"
    & skf21("6","3","3","1","3","4","6","1") = "5"
    & skf21("6","3","3","1","3","4","7","1") = "6"
    & skf21("6","3","3","1","3","5","1","1") = "5"
    & skf21("6","3","3","1","3","5","2","1") = "5"
    & skf21("6","3","3","1","3","5","3","1") = "5"
    & skf21("6","3","3","1","3","5","4","1") = "5"
    & skf21("6","3","3","1","3","5","5","1") = "5"
    & skf21("6","3","3","1","3","5","6","1") = "5"
    & skf21("6","3","3","1","3","5","7","1") = "6"
    & skf21("6","3","3","1","3","6","1","1") = "5"
    & skf21("6","3","3","1","3","6","2","1") = "5"
    & skf21("6","3","3","1","3","6","3","1") = "5"
    & skf21("6","3","3","1","3","6","4","1") = "5"
    & skf21("6","3","3","1","3","6","5","1") = "5"
    & skf21("6","3","3","1","3","6","6","1") = "5"
    & skf21("6","3","3","1","3","6","7","1") = "6"
    & skf21("6","3","3","1","3","7","1","1") = "6"
    & skf21("6","3","3","1","3","7","2","1") = "6"
    & skf21("6","3","3","1","3","7","3","1") = "6"
    & skf21("6","3","3","1","3","7","4","1") = "6"
    & skf21("6","3","3","1","3","7","5","1") = "6"
    & skf21("6","3","3","1","3","7","6","1") = "6"
    & skf21("6","3","3","1","3","7","7","1") = "6"
    & skf21("6","3","3","1","4","1","1","1") = "5"
    & skf21("6","3","3","1","4","1","2","1") = "5"
    & skf21("6","3","3","1","4","1","3","1") = "5"
    & skf21("6","3","3","1","4","1","4","1") = "5"
    & skf21("6","3","3","1","4","1","5","1") = "5"
    & skf21("6","3","3","1","4","1","6","1") = "5"
    & skf21("6","3","3","1","4","1","7","1") = "6"
    & skf21("6","3","3","1","4","2","1","1") = "5"
    & skf21("6","3","3","1","4","2","2","1") = "5"
    & skf21("6","3","3","1","4","2","3","1") = "5"
    & skf21("6","3","3","1","4","2","4","1") = "5"
    & skf21("6","3","3","1","4","2","5","1") = "5"
    & skf21("6","3","3","1","4","2","6","1") = "5"
    & skf21("6","3","3","1","4","2","7","1") = "6"
    & skf21("6","3","3","1","4","3","1","1") = "5"
    & skf21("6","3","3","1","4","3","2","1") = "5"
    & skf21("6","3","3","1","4","3","3","1") = "5"
    & skf21("6","3","3","1","4","3","4","1") = "5"
    & skf21("6","3","3","1","4","3","5","1") = "5"
    & skf21("6","3","3","1","4","3","6","1") = "5"
    & skf21("6","3","3","1","4","3","7","1") = "6"
    & skf21("6","3","3","1","4","4","1","1") = "5"
    & skf21("6","3","3","1","4","4","2","1") = "5"
    & skf21("6","3","3","1","4","4","3","1") = "5"
    & skf21("6","3","3","1","4","4","4","1") = "5"
    & skf21("6","3","3","1","4","4","5","1") = "5"
    & skf21("6","3","3","1","4","4","6","1") = "5"
    & skf21("6","3","3","1","4","4","7","1") = "6"
    & skf21("6","3","3","1","4","5","1","1") = "5"
    & skf21("6","3","3","1","4","5","2","1") = "5"
    & skf21("6","3","3","1","4","5","3","1") = "5"
    & skf21("6","3","3","1","4","5","4","1") = "5"
    & skf21("6","3","3","1","4","5","5","1") = "5"
    & skf21("6","3","3","1","4","5","6","1") = "5"
    & skf21("6","3","3","1","4","5","7","1") = "6"
    & skf21("6","3","3","1","4","6","1","1") = "5"
    & skf21("6","3","3","1","4","6","2","1") = "5"
    & skf21("6","3","3","1","4","6","3","1") = "5"
    & skf21("6","3","3","1","4","6","4","1") = "5"
    & skf21("6","3","3","1","4","6","5","1") = "5"
    & skf21("6","3","3","1","4","6","6","1") = "5"
    & skf21("6","3","3","1","4","6","7","1") = "6"
    & skf21("6","3","3","1","4","7","1","1") = "6"
    & skf21("6","3","3","1","4","7","2","1") = "6"
    & skf21("6","3","3","1","4","7","3","1") = "6"
    & skf21("6","3","3","1","4","7","4","1") = "6"
    & skf21("6","3","3","1","4","7","5","1") = "6"
    & skf21("6","3","3","1","4","7","6","1") = "6"
    & skf21("6","3","3","1","4","7","7","1") = "6"
    & skf21("6","3","3","1","5","1","1","1") = "5"
    & skf21("6","3","3","1","5","1","2","1") = "5"
    & skf21("6","3","3","1","5","1","3","1") = "5"
    & skf21("6","3","3","1","5","1","4","1") = "5"
    & skf21("6","3","3","1","5","1","5","1") = "5"
    & skf21("6","3","3","1","5","1","6","1") = "5"
    & skf21("6","3","3","1","5","1","7","1") = "6"
    & skf21("6","3","3","1","5","2","1","1") = "5"
    & skf21("6","3","3","1","5","2","2","1") = "5"
    & skf21("6","3","3","1","5","2","3","1") = "5"
    & skf21("6","3","3","1","5","2","4","1") = "5"
    & skf21("6","3","3","1","5","2","5","1") = "5"
    & skf21("6","3","3","1","5","2","6","1") = "5"
    & skf21("6","3","3","1","5","2","7","1") = "6"
    & skf21("6","3","3","1","5","3","1","1") = "5"
    & skf21("6","3","3","1","5","3","2","1") = "5"
    & skf21("6","3","3","1","5","3","3","1") = "5"
    & skf21("6","3","3","1","5","3","4","1") = "5"
    & skf21("6","3","3","1","5","3","5","1") = "5"
    & skf21("6","3","3","1","5","3","6","1") = "5"
    & skf21("6","3","3","1","5","3","7","1") = "6"
    & skf21("6","3","3","1","5","4","1","1") = "5"
    & skf21("6","3","3","1","5","4","2","1") = "5"
    & skf21("6","3","3","1","5","4","3","1") = "5"
    & skf21("6","3","3","1","5","4","4","1") = "5"
    & skf21("6","3","3","1","5","4","5","1") = "5"
    & skf21("6","3","3","1","5","4","6","1") = "5"
    & skf21("6","3","3","1","5","4","7","1") = "6"
    & skf21("6","3","3","1","5","5","1","1") = "5"
    & skf21("6","3","3","1","5","5","2","1") = "5"
    & skf21("6","3","3","1","5","5","3","1") = "5"
    & skf21("6","3","3","1","5","5","4","1") = "5"
    & skf21("6","3","3","1","5","5","5","1") = "5"
    & skf21("6","3","3","1","5","5","6","1") = "5"
    & skf21("6","3","3","1","5","5","7","1") = "6"
    & skf21("6","3","3","1","5","6","1","1") = "5"
    & skf21("6","3","3","1","5","6","2","1") = "5"
    & skf21("6","3","3","1","5","6","3","1") = "5"
    & skf21("6","3","3","1","5","6","4","1") = "5"
    & skf21("6","3","3","1","5","6","5","1") = "5"
    & skf21("6","3","3","1","5","6","6","1") = "5"
    & skf21("6","3","3","1","5","6","7","1") = "6"
    & skf21("6","3","3","1","5","7","1","1") = "6"
    & skf21("6","3","3","1","5","7","2","1") = "6"
    & skf21("6","3","3","1","5","7","3","1") = "6"
    & skf21("6","3","3","1","5","7","4","1") = "6"
    & skf21("6","3","3","1","5","7","5","1") = "6"
    & skf21("6","3","3","1","5","7","6","1") = "6"
    & skf21("6","3","3","1","5","7","7","1") = "6"
    & skf21("6","3","3","1","6","1","1","1") = "5"
    & skf21("6","3","3","1","6","1","2","1") = "5"
    & skf21("6","3","3","1","6","1","3","1") = "5"
    & skf21("6","3","3","1","6","1","4","1") = "5"
    & skf21("6","3","3","1","6","1","5","1") = "5"
    & skf21("6","3","3","1","6","1","6","1") = "5"
    & skf21("6","3","3","1","6","1","7","1") = "6"
    & skf21("6","3","3","1","6","2","1","1") = "5"
    & skf21("6","3","3","1","6","2","2","1") = "5"
    & skf21("6","3","3","1","6","2","3","1") = "5"
    & skf21("6","3","3","1","6","2","4","1") = "5"
    & skf21("6","3","3","1","6","2","5","1") = "5"
    & skf21("6","3","3","1","6","2","6","1") = "5"
    & skf21("6","3","3","1","6","2","7","1") = "6"
    & skf21("6","3","3","1","6","3","1","1") = "5"
    & skf21("6","3","3","1","6","3","2","1") = "5"
    & skf21("6","3","3","1","6","3","3","1") = "5"
    & skf21("6","3","3","1","6","3","4","1") = "5"
    & skf21("6","3","3","1","6","3","5","1") = "5"
    & skf21("6","3","3","1","6","3","6","1") = "5"
    & skf21("6","3","3","1","6","3","7","1") = "6"
    & skf21("6","3","3","1","6","4","1","1") = "5"
    & skf21("6","3","3","1","6","4","2","1") = "5"
    & skf21("6","3","3","1","6","4","3","1") = "5"
    & skf21("6","3","3","1","6","4","4","1") = "5"
    & skf21("6","3","3","1","6","4","5","1") = "5"
    & skf21("6","3","3","1","6","4","6","1") = "5"
    & skf21("6","3","3","1","6","4","7","1") = "6"
    & skf21("6","3","3","1","6","5","1","1") = "5"
    & skf21("6","3","3","1","6","5","2","1") = "5"
    & skf21("6","3","3","1","6","5","3","1") = "5"
    & skf21("6","3","3","1","6","5","4","1") = "5"
    & skf21("6","3","3","1","6","5","5","1") = "5"
    & skf21("6","3","3","1","6","5","6","1") = "5"
    & skf21("6","3","3","1","6","5","7","1") = "6"
    & skf21("6","3","3","1","6","6","1","1") = "5"
    & skf21("6","3","3","1","6","6","2","1") = "5"
    & skf21("6","3","3","1","6","6","3","1") = "5"
    & skf21("6","3","3","1","6","6","4","1") = "5"
    & skf21("6","3","3","1","6","6","5","1") = "5"
    & skf21("6","3","3","1","6","6","6","1") = "5"
    & skf21("6","3","3","1","6","6","7","1") = "6"
    & skf21("6","3","3","1","6","7","1","1") = "6"
    & skf21("6","3","3","1","6","7","2","1") = "6"
    & skf21("6","3","3","1","6","7","3","1") = "6"
    & skf21("6","3","3","1","6","7","4","1") = "6"
    & skf21("6","3","3","1","6","7","5","1") = "6"
    & skf21("6","3","3","1","6","7","6","1") = "6"
    & skf21("6","3","3","1","6","7","7","1") = "6"
    & skf21("6","3","3","1","7","1","1","1") = "6"
    & skf21("6","3","3","1","7","1","2","1") = "6"
    & skf21("6","3","3","1","7","1","3","1") = "6"
    & skf21("6","3","3","1","7","1","4","1") = "6"
    & skf21("6","3","3","1","7","1","5","1") = "6"
    & skf21("6","3","3","1","7","1","6","1") = "6"
    & skf21("6","3","3","1","7","1","7","1") = "6"
    & skf21("6","3","3","1","7","2","1","1") = "6"
    & skf21("6","3","3","1","7","2","2","1") = "6"
    & skf21("6","3","3","1","7","2","3","1") = "6"
    & skf21("6","3","3","1","7","2","4","1") = "6"
    & skf21("6","3","3","1","7","2","5","1") = "6"
    & skf21("6","3","3","1","7","2","6","1") = "6"
    & skf21("6","3","3","1","7","2","7","1") = "6"
    & skf21("6","3","3","1","7","3","1","1") = "6"
    & skf21("6","3","3","1","7","3","2","1") = "6"
    & skf21("6","3","3","1","7","3","3","1") = "6"
    & skf21("6","3","3","1","7","3","4","1") = "6"
    & skf21("6","3","3","1","7","3","5","1") = "6"
    & skf21("6","3","3","1","7","3","6","1") = "6"
    & skf21("6","3","3","1","7","3","7","1") = "6"
    & skf21("6","3","3","1","7","4","1","1") = "6"
    & skf21("6","3","3","1","7","4","2","1") = "6"
    & skf21("6","3","3","1","7","4","3","1") = "6"
    & skf21("6","3","3","1","7","4","4","1") = "6"
    & skf21("6","3","3","1","7","4","5","1") = "6"
    & skf21("6","3","3","1","7","4","6","1") = "6"
    & skf21("6","3","3","1","7","4","7","1") = "6"
    & skf21("6","3","3","1","7","5","1","1") = "6"
    & skf21("6","3","3","1","7","5","2","1") = "6"
    & skf21("6","3","3","1","7","5","3","1") = "6"
    & skf21("6","3","3","1","7","5","4","1") = "6"
    & skf21("6","3","3","1","7","5","5","1") = "6"
    & skf21("6","3","3","1","7","5","6","1") = "6"
    & skf21("6","3","3","1","7","5","7","1") = "6"
    & skf21("6","3","3","1","7","6","1","1") = "6"
    & skf21("6","3","3","1","7","6","2","1") = "6"
    & skf21("6","3","3","1","7","6","3","1") = "6"
    & skf21("6","3","3","1","7","6","4","1") = "6"
    & skf21("6","3","3","1","7","6","5","1") = "6"
    & skf21("6","3","3","1","7","6","6","1") = "6"
    & skf21("6","3","3","1","7","6","7","1") = "6"
    & skf21("6","3","3","1","7","7","1","1") = "6"
    & skf21("6","3","3","1","7","7","2","1") = "6"
    & skf21("6","3","3","1","7","7","3","1") = "6"
    & skf21("6","3","3","1","7","7","4","1") = "6"
    & skf21("6","3","3","1","7","7","5","1") = "6"
    & skf21("6","3","3","1","7","7","6","1") = "6"
    & skf21("6","3","3","1","7","7","7","1") = "6"
    & skf21("6","3","3","2","1","1","1","1") = "5"
    & skf21("6","3","3","2","1","1","2","1") = "5"
    & skf21("6","3","3","2","1","1","3","1") = "5"
    & skf21("6","3","3","2","1","1","4","1") = "5"
    & skf21("6","3","3","2","1","1","5","1") = "5"
    & skf21("6","3","3","2","1","1","6","1") = "5"
    & skf21("6","3","3","2","1","1","7","1") = "6"
    & skf21("6","3","3","2","1","2","1","1") = "5"
    & skf21("6","3","3","2","1","2","2","1") = "5"
    & skf21("6","3","3","2","1","2","3","1") = "5"
    & skf21("6","3","3","2","1","2","4","1") = "5"
    & skf21("6","3","3","2","1","2","5","1") = "5"
    & skf21("6","3","3","2","1","2","6","1") = "5"
    & skf21("6","3","3","2","1","2","7","1") = "6"
    & skf21("6","3","3","2","1","3","1","1") = "5"
    & skf21("6","3","3","2","1","3","2","1") = "5"
    & skf21("6","3","3","2","1","3","3","1") = "5"
    & skf21("6","3","3","2","1","3","4","1") = "5"
    & skf21("6","3","3","2","1","3","5","1") = "5"
    & skf21("6","3","3","2","1","3","6","1") = "5"
    & skf21("6","3","3","2","1","3","7","1") = "6"
    & skf21("6","3","3","2","1","4","1","1") = "5"
    & skf21("6","3","3","2","1","4","2","1") = "5"
    & skf21("6","3","3","2","1","4","3","1") = "5"
    & skf21("6","3","3","2","1","4","4","1") = "5"
    & skf21("6","3","3","2","1","4","5","1") = "5"
    & skf21("6","3","3","2","1","4","6","1") = "5"
    & skf21("6","3","3","2","1","4","7","1") = "6"
    & skf21("6","3","3","2","1","5","1","1") = "5"
    & skf21("6","3","3","2","1","5","2","1") = "5"
    & skf21("6","3","3","2","1","5","3","1") = "5"
    & skf21("6","3","3","2","1","5","4","1") = "5"
    & skf21("6","3","3","2","1","5","5","1") = "5"
    & skf21("6","3","3","2","1","5","6","1") = "5"
    & skf21("6","3","3","2","1","5","7","1") = "6"
    & skf21("6","3","3","2","1","6","1","1") = "5"
    & skf21("6","3","3","2","1","6","2","1") = "5"
    & skf21("6","3","3","2","1","6","3","1") = "5"
    & skf21("6","3","3","2","1","6","4","1") = "5"
    & skf21("6","3","3","2","1","6","5","1") = "5"
    & skf21("6","3","3","2","1","6","6","1") = "5"
    & skf21("6","3","3","2","1","6","7","1") = "6"
    & skf21("6","3","3","2","1","7","1","1") = "6"
    & skf21("6","3","3","2","1","7","2","1") = "6"
    & skf21("6","3","3","2","1","7","3","1") = "6"
    & skf21("6","3","3","2","1","7","4","1") = "6"
    & skf21("6","3","3","2","1","7","5","1") = "6"
    & skf21("6","3","3","2","1","7","6","1") = "6"
    & skf21("6","3","3","2","1","7","7","1") = "6"
    & skf21("6","3","3","2","2","1","1","1") = "5"
    & skf21("6","3","3","2","2","1","2","1") = "5"
    & skf21("6","3","3","2","2","1","3","1") = "5"
    & skf21("6","3","3","2","2","1","4","1") = "5"
    & skf21("6","3","3","2","2","1","5","1") = "5"
    & skf21("6","3","3","2","2","1","6","1") = "5"
    & skf21("6","3","3","2","2","1","7","1") = "6"
    & skf21("6","3","3","2","2","2","1","1") = "5"
    & skf21("6","3","3","2","2","2","2","1") = "5"
    & skf21("6","3","3","2","2","2","3","1") = "5"
    & skf21("6","3","3","2","2","2","4","1") = "5"
    & skf21("6","3","3","2","2","2","5","1") = "5"
    & skf21("6","3","3","2","2","2","6","1") = "5"
    & skf21("6","3","3","2","2","2","7","1") = "6"
    & skf21("6","3","3","2","2","3","1","1") = "5"
    & skf21("6","3","3","2","2","3","2","1") = "5"
    & skf21("6","3","3","2","2","3","3","1") = "5"
    & skf21("6","3","3","2","2","3","4","1") = "5"
    & skf21("6","3","3","2","2","3","5","1") = "5"
    & skf21("6","3","3","2","2","3","6","1") = "5"
    & skf21("6","3","3","2","2","3","7","1") = "6"
    & skf21("6","3","3","2","2","4","1","1") = "5"
    & skf21("6","3","3","2","2","4","2","1") = "5"
    & skf21("6","3","3","2","2","4","3","1") = "5"
    & skf21("6","3","3","2","2","4","4","1") = "5"
    & skf21("6","3","3","2","2","4","5","1") = "5"
    & skf21("6","3","3","2","2","4","6","1") = "5"
    & skf21("6","3","3","2","2","4","7","1") = "6"
    & skf21("6","3","3","2","2","5","1","1") = "5"
    & skf21("6","3","3","2","2","5","2","1") = "5"
    & skf21("6","3","3","2","2","5","3","1") = "5"
    & skf21("6","3","3","2","2","5","4","1") = "5"
    & skf21("6","3","3","2","2","5","5","1") = "5"
    & skf21("6","3","3","2","2","5","6","1") = "5"
    & skf21("6","3","3","2","2","5","7","1") = "6"
    & skf21("6","3","3","2","2","6","1","1") = "5"
    & skf21("6","3","3","2","2","6","2","1") = "5"
    & skf21("6","3","3","2","2","6","3","1") = "5"
    & skf21("6","3","3","2","2","6","4","1") = "5"
    & skf21("6","3","3","2","2","6","5","1") = "5"
    & skf21("6","3","3","2","2","6","6","1") = "5"
    & skf21("6","3","3","2","2","6","7","1") = "6"
    & skf21("6","3","3","2","2","7","1","1") = "6"
    & skf21("6","3","3","2","2","7","2","1") = "6"
    & skf21("6","3","3","2","2","7","3","1") = "6"
    & skf21("6","3","3","2","2","7","4","1") = "6"
    & skf21("6","3","3","2","2","7","5","1") = "6"
    & skf21("6","3","3","2","2","7","6","1") = "6"
    & skf21("6","3","3","2","2","7","7","1") = "6"
    & skf21("6","3","3","2","3","1","1","1") = "5"
    & skf21("6","3","3","2","3","1","2","1") = "5"
    & skf21("6","3","3","2","3","1","3","1") = "5"
    & skf21("6","3","3","2","3","1","4","1") = "5"
    & skf21("6","3","3","2","3","1","5","1") = "5"
    & skf21("6","3","3","2","3","1","6","1") = "5"
    & skf21("6","3","3","2","3","1","7","1") = "6"
    & skf21("6","3","3","2","3","2","1","1") = "5"
    & skf21("6","3","3","2","3","2","2","1") = "5"
    & skf21("6","3","3","2","3","2","3","1") = "5"
    & skf21("6","3","3","2","3","2","4","1") = "5"
    & skf21("6","3","3","2","3","2","5","1") = "5"
    & skf21("6","3","3","2","3","2","6","1") = "5"
    & skf21("6","3","3","2","3","2","7","1") = "6"
    & skf21("6","3","3","2","3","3","1","1") = "5"
    & skf21("6","3","3","2","3","3","2","1") = "5"
    & skf21("6","3","3","2","3","3","3","1") = "5"
    & skf21("6","3","3","2","3","3","4","1") = "5"
    & skf21("6","3","3","2","3","3","5","1") = "5"
    & skf21("6","3","3","2","3","3","6","1") = "5"
    & skf21("6","3","3","2","3","3","7","1") = "6"
    & skf21("6","3","3","2","3","4","1","1") = "5"
    & skf21("6","3","3","2","3","4","2","1") = "5"
    & skf21("6","3","3","2","3","4","3","1") = "5"
    & skf21("6","3","3","2","3","4","4","1") = "5"
    & skf21("6","3","3","2","3","4","5","1") = "5"
    & skf21("6","3","3","2","3","4","6","1") = "5"
    & skf21("6","3","3","2","3","4","7","1") = "6"
    & skf21("6","3","3","2","3","5","1","1") = "5"
    & skf21("6","3","3","2","3","5","2","1") = "5"
    & skf21("6","3","3","2","3","5","3","1") = "5"
    & skf21("6","3","3","2","3","5","4","1") = "5"
    & skf21("6","3","3","2","3","5","5","1") = "5"
    & skf21("6","3","3","2","3","5","6","1") = "5"
    & skf21("6","3","3","2","3","5","7","1") = "6"
    & skf21("6","3","3","2","3","6","1","1") = "5"
    & skf21("6","3","3","2","3","6","2","1") = "5"
    & skf21("6","3","3","2","3","6","3","1") = "5"
    & skf21("6","3","3","2","3","6","4","1") = "5"
    & skf21("6","3","3","2","3","6","5","1") = "5"
    & skf21("6","3","3","2","3","6","6","1") = "5"
    & skf21("6","3","3","2","3","6","7","1") = "6"
    & skf21("6","3","3","2","3","7","1","1") = "6"
    & skf21("6","3","3","2","3","7","2","1") = "6"
    & skf21("6","3","3","2","3","7","3","1") = "6"
    & skf21("6","3","3","2","3","7","4","1") = "6"
    & skf21("6","3","3","2","3","7","5","1") = "6"
    & skf21("6","3","3","2","3","7","6","1") = "6"
    & skf21("6","3","3","2","3","7","7","1") = "6"
    & skf21("6","3","3","2","4","1","1","1") = "5"
    & skf21("6","3","3","2","4","1","2","1") = "5"
    & skf21("6","3","3","2","4","1","3","1") = "5"
    & skf21("6","3","3","2","4","1","4","1") = "5"
    & skf21("6","3","3","2","4","1","5","1") = "5"
    & skf21("6","3","3","2","4","1","6","1") = "5"
    & skf21("6","3","3","2","4","1","7","1") = "6"
    & skf21("6","3","3","2","4","2","1","1") = "5"
    & skf21("6","3","3","2","4","2","2","1") = "5"
    & skf21("6","3","3","2","4","2","3","1") = "5"
    & skf21("6","3","3","2","4","2","4","1") = "5"
    & skf21("6","3","3","2","4","2","5","1") = "5"
    & skf21("6","3","3","2","4","2","6","1") = "5"
    & skf21("6","3","3","2","4","2","7","1") = "6"
    & skf21("6","3","3","2","4","3","1","1") = "5"
    & skf21("6","3","3","2","4","3","2","1") = "5"
    & skf21("6","3","3","2","4","3","3","1") = "5"
    & skf21("6","3","3","2","4","3","4","1") = "5"
    & skf21("6","3","3","2","4","3","5","1") = "5"
    & skf21("6","3","3","2","4","3","6","1") = "5"
    & skf21("6","3","3","2","4","3","7","1") = "6"
    & skf21("6","3","3","2","4","4","1","1") = "5"
    & skf21("6","3","3","2","4","4","2","1") = "5"
    & skf21("6","3","3","2","4","4","3","1") = "5"
    & skf21("6","3","3","2","4","4","4","1") = "5"
    & skf21("6","3","3","2","4","4","5","1") = "5"
    & skf21("6","3","3","2","4","4","6","1") = "5"
    & skf21("6","3","3","2","4","4","7","1") = "6"
    & skf21("6","3","3","2","4","5","1","1") = "5"
    & skf21("6","3","3","2","4","5","2","1") = "5"
    & skf21("6","3","3","2","4","5","3","1") = "5"
    & skf21("6","3","3","2","4","5","4","1") = "5"
    & skf21("6","3","3","2","4","5","5","1") = "5"
    & skf21("6","3","3","2","4","5","6","1") = "5"
    & skf21("6","3","3","2","4","5","7","1") = "6"
    & skf21("6","3","3","2","4","6","1","1") = "5"
    & skf21("6","3","3","2","4","6","2","1") = "5"
    & skf21("6","3","3","2","4","6","3","1") = "5"
    & skf21("6","3","3","2","4","6","4","1") = "5"
    & skf21("6","3","3","2","4","6","5","1") = "5"
    & skf21("6","3","3","2","4","6","6","1") = "5"
    & skf21("6","3","3","2","4","6","7","1") = "6"
    & skf21("6","3","3","2","4","7","1","1") = "6"
    & skf21("6","3","3","2","4","7","2","1") = "6"
    & skf21("6","3","3","2","4","7","3","1") = "6"
    & skf21("6","3","3","2","4","7","4","1") = "6"
    & skf21("6","3","3","2","4","7","5","1") = "6"
    & skf21("6","3","3","2","4","7","6","1") = "6"
    & skf21("6","3","3","2","4","7","7","1") = "6"
    & skf21("6","3","3","2","5","1","1","1") = "5"
    & skf21("6","3","3","2","5","1","2","1") = "5"
    & skf21("6","3","3","2","5","1","3","1") = "5"
    & skf21("6","3","3","2","5","1","4","1") = "5"
    & skf21("6","3","3","2","5","1","5","1") = "5"
    & skf21("6","3","3","2","5","1","6","1") = "5"
    & skf21("6","3","3","2","5","1","7","1") = "6"
    & skf21("6","3","3","2","5","2","1","1") = "5"
    & skf21("6","3","3","2","5","2","2","1") = "5"
    & skf21("6","3","3","2","5","2","3","1") = "5"
    & skf21("6","3","3","2","5","2","4","1") = "5"
    & skf21("6","3","3","2","5","2","5","1") = "5"
    & skf21("6","3","3","2","5","2","6","1") = "5"
    & skf21("6","3","3","2","5","2","7","1") = "6"
    & skf21("6","3","3","2","5","3","1","1") = "5"
    & skf21("6","3","3","2","5","3","2","1") = "5"
    & skf21("6","3","3","2","5","3","3","1") = "5"
    & skf21("6","3","3","2","5","3","4","1") = "5"
    & skf21("6","3","3","2","5","3","5","1") = "5"
    & skf21("6","3","3","2","5","3","6","1") = "5"
    & skf21("6","3","3","2","5","3","7","1") = "6"
    & skf21("6","3","3","2","5","4","1","1") = "5"
    & skf21("6","3","3","2","5","4","2","1") = "5"
    & skf21("6","3","3","2","5","4","3","1") = "5"
    & skf21("6","3","3","2","5","4","4","1") = "5"
    & skf21("6","3","3","2","5","4","5","1") = "5"
    & skf21("6","3","3","2","5","4","6","1") = "5"
    & skf21("6","3","3","2","5","4","7","1") = "6"
    & skf21("6","3","3","2","5","5","1","1") = "5"
    & skf21("6","3","3","2","5","5","2","1") = "5"
    & skf21("6","3","3","2","5","5","3","1") = "5"
    & skf21("6","3","3","2","5","5","4","1") = "5"
    & skf21("6","3","3","2","5","5","5","1") = "5"
    & skf21("6","3","3","2","5","5","6","1") = "5"
    & skf21("6","3","3","2","5","5","7","1") = "6"
    & skf21("6","3","3","2","5","6","1","1") = "5"
    & skf21("6","3","3","2","5","6","2","1") = "5"
    & skf21("6","3","3","2","5","6","3","1") = "5"
    & skf21("6","3","3","2","5","6","4","1") = "5"
    & skf21("6","3","3","2","5","6","5","1") = "5"
    & skf21("6","3","3","2","5","6","6","1") = "5"
    & skf21("6","3","3","2","5","6","7","1") = "6"
    & skf21("6","3","3","2","5","7","1","1") = "6"
    & skf21("6","3","3","2","5","7","2","1") = "6"
    & skf21("6","3","3","2","5","7","3","1") = "6"
    & skf21("6","3","3","2","5","7","4","1") = "6"
    & skf21("6","3","3","2","5","7","5","1") = "6"
    & skf21("6","3","3","2","5","7","6","1") = "6"
    & skf21("6","3","3","2","5","7","7","1") = "6"
    & skf21("6","3","3","2","6","1","1","1") = "5"
    & skf21("6","3","3","2","6","1","2","1") = "5"
    & skf21("6","3","3","2","6","1","3","1") = "5"
    & skf21("6","3","3","2","6","1","4","1") = "5"
    & skf21("6","3","3","2","6","1","5","1") = "5"
    & skf21("6","3","3","2","6","1","6","1") = "5"
    & skf21("6","3","3","2","6","1","7","1") = "6"
    & skf21("6","3","3","2","6","2","1","1") = "5"
    & skf21("6","3","3","2","6","2","2","1") = "5"
    & skf21("6","3","3","2","6","2","3","1") = "5"
    & skf21("6","3","3","2","6","2","4","1") = "5"
    & skf21("6","3","3","2","6","2","5","1") = "5"
    & skf21("6","3","3","2","6","2","6","1") = "5"
    & skf21("6","3","3","2","6","2","7","1") = "6"
    & skf21("6","3","3","2","6","3","1","1") = "5"
    & skf21("6","3","3","2","6","3","2","1") = "5"
    & skf21("6","3","3","2","6","3","3","1") = "5"
    & skf21("6","3","3","2","6","3","4","1") = "5"
    & skf21("6","3","3","2","6","3","5","1") = "5"
    & skf21("6","3","3","2","6","3","6","1") = "5"
    & skf21("6","3","3","2","6","3","7","1") = "6"
    & skf21("6","3","3","2","6","4","1","1") = "5"
    & skf21("6","3","3","2","6","4","2","1") = "5"
    & skf21("6","3","3","2","6","4","3","1") = "5"
    & skf21("6","3","3","2","6","4","4","1") = "5"
    & skf21("6","3","3","2","6","4","5","1") = "5"
    & skf21("6","3","3","2","6","4","6","1") = "5"
    & skf21("6","3","3","2","6","4","7","1") = "6"
    & skf21("6","3","3","2","6","5","1","1") = "5"
    & skf21("6","3","3","2","6","5","2","1") = "5"
    & skf21("6","3","3","2","6","5","3","1") = "5"
    & skf21("6","3","3","2","6","5","4","1") = "5"
    & skf21("6","3","3","2","6","5","5","1") = "5"
    & skf21("6","3","3","2","6","5","6","1") = "5"
    & skf21("6","3","3","2","6","5","7","1") = "6"
    & skf21("6","3","3","2","6","6","1","1") = "5"
    & skf21("6","3","3","2","6","6","2","1") = "5"
    & skf21("6","3","3","2","6","6","3","1") = "5"
    & skf21("6","3","3","2","6","6","4","1") = "5"
    & skf21("6","3","3","2","6","6","5","1") = "5"
    & skf21("6","3","3","2","6","6","6","1") = "5"
    & skf21("6","3","3","2","6","6","7","1") = "6"
    & skf21("6","3","3","2","6","7","1","1") = "6"
    & skf21("6","3","3","2","6","7","2","1") = "6"
    & skf21("6","3","3","2","6","7","3","1") = "6"
    & skf21("6","3","3","2","6","7","4","1") = "6"
    & skf21("6","3","3","2","6","7","5","1") = "6"
    & skf21("6","3","3","2","6","7","6","1") = "6"
    & skf21("6","3","3","2","6","7","7","1") = "6"
    & skf21("6","3","3","2","7","1","1","1") = "6"
    & skf21("6","3","3","2","7","1","2","1") = "6"
    & skf21("6","3","3","2","7","1","3","1") = "6"
    & skf21("6","3","3","2","7","1","4","1") = "6"
    & skf21("6","3","3","2","7","1","5","1") = "6"
    & skf21("6","3","3","2","7","1","6","1") = "6"
    & skf21("6","3","3","2","7","1","7","1") = "6"
    & skf21("6","3","3","2","7","2","1","1") = "6"
    & skf21("6","3","3","2","7","2","2","1") = "6"
    & skf21("6","3","3","2","7","2","3","1") = "6"
    & skf21("6","3","3","2","7","2","4","1") = "6"
    & skf21("6","3","3","2","7","2","5","1") = "6"
    & skf21("6","3","3","2","7","2","6","1") = "6"
    & skf21("6","3","3","2","7","2","7","1") = "6"
    & skf21("6","3","3","2","7","3","1","1") = "6"
    & skf21("6","3","3","2","7","3","2","1") = "6"
    & skf21("6","3","3","2","7","3","3","1") = "6"
    & skf21("6","3","3","2","7","3","4","1") = "6"
    & skf21("6","3","3","2","7","3","5","1") = "6"
    & skf21("6","3","3","2","7","3","6","1") = "6"
    & skf21("6","3","3","2","7","3","7","1") = "6"
    & skf21("6","3","3","2","7","4","1","1") = "6"
    & skf21("6","3","3","2","7","4","2","1") = "6"
    & skf21("6","3","3","2","7","4","3","1") = "6"
    & skf21("6","3","3","2","7","4","4","1") = "6"
    & skf21("6","3","3","2","7","4","5","1") = "6"
    & skf21("6","3","3","2","7","4","6","1") = "6"
    & skf21("6","3","3","2","7","4","7","1") = "6"
    & skf21("6","3","3","2","7","5","1","1") = "6"
    & skf21("6","3","3","2","7","5","2","1") = "6"
    & skf21("6","3","3","2","7","5","3","1") = "6"
    & skf21("6","3","3","2","7","5","4","1") = "6"
    & skf21("6","3","3","2","7","5","5","1") = "6"
    & skf21("6","3","3","2","7","5","6","1") = "6"
    & skf21("6","3","3","2","7","5","7","1") = "6"
    & skf21("6","3","3","2","7","6","1","1") = "6"
    & skf21("6","3","3","2","7","6","2","1") = "6"
    & skf21("6","3","3","2","7","6","3","1") = "6"
    & skf21("6","3","3","2","7","6","4","1") = "6"
    & skf21("6","3","3","2","7","6","5","1") = "6"
    & skf21("6","3","3","2","7","6","6","1") = "6"
    & skf21("6","3","3","2","7","6","7","1") = "6"
    & skf21("6","3","3","2","7","7","1","1") = "6"
    & skf21("6","3","3","2","7","7","2","1") = "6"
    & skf21("6","3","3","2","7","7","3","1") = "6"
    & skf21("6","3","3","2","7","7","4","1") = "6"
    & skf21("6","3","3","2","7","7","5","1") = "6"
    & skf21("6","3","3","2","7","7","6","1") = "6"
    & skf21("6","3","3","2","7","7","7","1") = "6"
    & skf21("6","3","3","3","1","1","1","1") = "5"
    & skf21("6","3","3","3","1","1","2","1") = "5"
    & skf21("6","3","3","3","1","1","3","1") = "5"
    & skf21("6","3","3","3","1","1","4","1") = "5"
    & skf21("6","3","3","3","1","1","5","1") = "5"
    & skf21("6","3","3","3","1","1","6","1") = "5"
    & skf21("6","3","3","3","1","1","7","1") = "6"
    & skf21("6","3","3","3","1","2","1","1") = "5"
    & skf21("6","3","3","3","1","2","2","1") = "5"
    & skf21("6","3","3","3","1","2","3","1") = "5"
    & skf21("6","3","3","3","1","2","4","1") = "5"
    & skf21("6","3","3","3","1","2","5","1") = "5"
    & skf21("6","3","3","3","1","2","6","1") = "5"
    & skf21("6","3","3","3","1","2","7","1") = "6"
    & skf21("6","3","3","3","1","3","1","1") = "5"
    & skf21("6","3","3","3","1","3","2","1") = "5"
    & skf21("6","3","3","3","1","3","3","1") = "5"
    & skf21("6","3","3","3","1","3","4","1") = "5"
    & skf21("6","3","3","3","1","3","5","1") = "5"
    & skf21("6","3","3","3","1","3","6","1") = "5"
    & skf21("6","3","3","3","1","3","7","1") = "6"
    & skf21("6","3","3","3","1","4","1","1") = "5"
    & skf21("6","3","3","3","1","4","2","1") = "5"
    & skf21("6","3","3","3","1","4","3","1") = "5"
    & skf21("6","3","3","3","1","4","4","1") = "5"
    & skf21("6","3","3","3","1","4","5","1") = "5"
    & skf21("6","3","3","3","1","4","6","1") = "5"
    & skf21("6","3","3","3","1","4","7","1") = "6"
    & skf21("6","3","3","3","1","5","1","1") = "5"
    & skf21("6","3","3","3","1","5","2","1") = "5"
    & skf21("6","3","3","3","1","5","3","1") = "5"
    & skf21("6","3","3","3","1","5","4","1") = "5"
    & skf21("6","3","3","3","1","5","5","1") = "5"
    & skf21("6","3","3","3","1","5","6","1") = "5"
    & skf21("6","3","3","3","1","5","7","1") = "6"
    & skf21("6","3","3","3","1","6","1","1") = "5"
    & skf21("6","3","3","3","1","6","2","1") = "5"
    & skf21("6","3","3","3","1","6","3","1") = "5"
    & skf21("6","3","3","3","1","6","4","1") = "5"
    & skf21("6","3","3","3","1","6","5","1") = "5"
    & skf21("6","3","3","3","1","6","6","1") = "5"
    & skf21("6","3","3","3","1","6","7","1") = "6"
    & skf21("6","3","3","3","1","7","1","1") = "6"
    & skf21("6","3","3","3","1","7","2","1") = "6"
    & skf21("6","3","3","3","1","7","3","1") = "6"
    & skf21("6","3","3","3","1","7","4","1") = "6"
    & skf21("6","3","3","3","1","7","5","1") = "6"
    & skf21("6","3","3","3","1","7","6","1") = "6"
    & skf21("6","3","3","3","1","7","7","1") = "6"
    & skf21("6","3","3","3","2","1","1","1") = "5"
    & skf21("6","3","3","3","2","1","2","1") = "5"
    & skf21("6","3","3","3","2","1","3","1") = "5"
    & skf21("6","3","3","3","2","1","4","1") = "5"
    & skf21("6","3","3","3","2","1","5","1") = "5"
    & skf21("6","3","3","3","2","1","6","1") = "5"
    & skf21("6","3","3","3","2","1","7","1") = "6"
    & skf21("6","3","3","3","2","2","1","1") = "5"
    & skf21("6","3","3","3","2","2","2","1") = "5"
    & skf21("6","3","3","3","2","2","3","1") = "5"
    & skf21("6","3","3","3","2","2","4","1") = "5"
    & skf21("6","3","3","3","2","2","5","1") = "5"
    & skf21("6","3","3","3","2","2","6","1") = "5"
    & skf21("6","3","3","3","2","2","7","1") = "6"
    & skf21("6","3","3","3","2","3","1","1") = "5"
    & skf21("6","3","3","3","2","3","2","1") = "5"
    & skf21("6","3","3","3","2","3","3","1") = "5"
    & skf21("6","3","3","3","2","3","4","1") = "5"
    & skf21("6","3","3","3","2","3","5","1") = "5"
    & skf21("6","3","3","3","2","3","6","1") = "5"
    & skf21("6","3","3","3","2","3","7","1") = "6"
    & skf21("6","3","3","3","2","4","1","1") = "5"
    & skf21("6","3","3","3","2","4","2","1") = "5"
    & skf21("6","3","3","3","2","4","3","1") = "5"
    & skf21("6","3","3","3","2","4","4","1") = "5"
    & skf21("6","3","3","3","2","4","5","1") = "5"
    & skf21("6","3","3","3","2","4","6","1") = "5"
    & skf21("6","3","3","3","2","4","7","1") = "6"
    & skf21("6","3","3","3","2","5","1","1") = "5"
    & skf21("6","3","3","3","2","5","2","1") = "5"
    & skf21("6","3","3","3","2","5","3","1") = "5"
    & skf21("6","3","3","3","2","5","4","1") = "5"
    & skf21("6","3","3","3","2","5","5","1") = "5"
    & skf21("6","3","3","3","2","5","6","1") = "5"
    & skf21("6","3","3","3","2","5","7","1") = "6"
    & skf21("6","3","3","3","2","6","1","1") = "5"
    & skf21("6","3","3","3","2","6","2","1") = "5"
    & skf21("6","3","3","3","2","6","3","1") = "5"
    & skf21("6","3","3","3","2","6","4","1") = "5"
    & skf21("6","3","3","3","2","6","5","1") = "5"
    & skf21("6","3","3","3","2","6","6","1") = "5"
    & skf21("6","3","3","3","2","6","7","1") = "6"
    & skf21("6","3","3","3","2","7","1","1") = "6"
    & skf21("6","3","3","3","2","7","2","1") = "6"
    & skf21("6","3","3","3","2","7","3","1") = "6"
    & skf21("6","3","3","3","2","7","4","1") = "6"
    & skf21("6","3","3","3","2","7","5","1") = "6"
    & skf21("6","3","3","3","2","7","6","1") = "6"
    & skf21("6","3","3","3","2","7","7","1") = "6"
    & skf21("6","3","3","3","3","1","1","1") = "5"
    & skf21("6","3","3","3","3","1","2","1") = "5"
    & skf21("6","3","3","3","3","1","3","1") = "5"
    & skf21("6","3","3","3","3","1","4","1") = "5"
    & skf21("6","3","3","3","3","1","5","1") = "5"
    & skf21("6","3","3","3","3","1","6","1") = "5"
    & skf21("6","3","3","3","3","1","7","1") = "6"
    & skf21("6","3","3","3","3","2","1","1") = "5"
    & skf21("6","3","3","3","3","2","2","1") = "5"
    & skf21("6","3","3","3","3","2","3","1") = "5"
    & skf21("6","3","3","3","3","2","4","1") = "5"
    & skf21("6","3","3","3","3","2","5","1") = "5"
    & skf21("6","3","3","3","3","2","6","1") = "5"
    & skf21("6","3","3","3","3","2","7","1") = "6"
    & skf21("6","3","3","3","3","3","1","1") = "5"
    & skf21("6","3","3","3","3","3","2","1") = "5"
    & skf21("6","3","3","3","3","3","3","1") = "5"
    & skf21("6","3","3","3","3","3","4","1") = "5"
    & skf21("6","3","3","3","3","3","5","1") = "5"
    & skf21("6","3","3","3","3","3","6","1") = "5"
    & skf21("6","3","3","3","3","3","7","1") = "6"
    & skf21("6","3","3","3","3","4","1","1") = "5"
    & skf21("6","3","3","3","3","4","2","1") = "5"
    & skf21("6","3","3","3","3","4","3","1") = "5"
    & skf21("6","3","3","3","3","4","4","1") = "5"
    & skf21("6","3","3","3","3","4","5","1") = "5"
    & skf21("6","3","3","3","3","4","6","1") = "5"
    & skf21("6","3","3","3","3","4","7","1") = "6"
    & skf21("6","3","3","3","3","5","1","1") = "5"
    & skf21("6","3","3","3","3","5","2","1") = "5"
    & skf21("6","3","3","3","3","5","3","1") = "5"
    & skf21("6","3","3","3","3","5","4","1") = "5"
    & skf21("6","3","3","3","3","5","5","1") = "5"
    & skf21("6","3","3","3","3","5","6","1") = "5"
    & skf21("6","3","3","3","3","5","7","1") = "6"
    & skf21("6","3","3","3","3","6","1","1") = "5"
    & skf21("6","3","3","3","3","6","2","1") = "5"
    & skf21("6","3","3","3","3","6","3","1") = "5"
    & skf21("6","3","3","3","3","6","4","1") = "5"
    & skf21("6","3","3","3","3","6","5","1") = "5"
    & skf21("6","3","3","3","3","6","6","1") = "5"
    & skf21("6","3","3","3","3","6","7","1") = "6"
    & skf21("6","3","3","3","3","7","1","1") = "6"
    & skf21("6","3","3","3","3","7","2","1") = "6"
    & skf21("6","3","3","3","3","7","3","1") = "6"
    & skf21("6","3","3","3","3","7","4","1") = "6"
    & skf21("6","3","3","3","3","7","5","1") = "6"
    & skf21("6","3","3","3","3","7","6","1") = "6"
    & skf21("6","3","3","3","3","7","7","1") = "6"
    & skf21("6","3","3","3","4","1","1","1") = "5"
    & skf21("6","3","3","3","4","1","2","1") = "5"
    & skf21("6","3","3","3","4","1","3","1") = "5"
    & skf21("6","3","3","3","4","1","4","1") = "5"
    & skf21("6","3","3","3","4","1","5","1") = "5"
    & skf21("6","3","3","3","4","1","6","1") = "5"
    & skf21("6","3","3","3","4","1","7","1") = "6"
    & skf21("6","3","3","3","4","2","1","1") = "5"
    & skf21("6","3","3","3","4","2","2","1") = "5"
    & skf21("6","3","3","3","4","2","3","1") = "5"
    & skf21("6","3","3","3","4","2","4","1") = "5"
    & skf21("6","3","3","3","4","2","5","1") = "5"
    & skf21("6","3","3","3","4","2","6","1") = "5"
    & skf21("6","3","3","3","4","2","7","1") = "6"
    & skf21("6","3","3","3","4","3","1","1") = "5"
    & skf21("6","3","3","3","4","3","2","1") = "5"
    & skf21("6","3","3","3","4","3","3","1") = "5"
    & skf21("6","3","3","3","4","3","4","1") = "5"
    & skf21("6","3","3","3","4","3","5","1") = "5"
    & skf21("6","3","3","3","4","3","6","1") = "5"
    & skf21("6","3","3","3","4","3","7","1") = "6"
    & skf21("6","3","3","3","4","4","1","1") = "5"
    & skf21("6","3","3","3","4","4","2","1") = "5"
    & skf21("6","3","3","3","4","4","3","1") = "5"
    & skf21("6","3","3","3","4","4","4","1") = "5"
    & skf21("6","3","3","3","4","4","5","1") = "5"
    & skf21("6","3","3","3","4","4","6","1") = "5"
    & skf21("6","3","3","3","4","4","7","1") = "6"
    & skf21("6","3","3","3","4","5","1","1") = "5"
    & skf21("6","3","3","3","4","5","2","1") = "5"
    & skf21("6","3","3","3","4","5","3","1") = "5"
    & skf21("6","3","3","3","4","5","4","1") = "5"
    & skf21("6","3","3","3","4","5","5","1") = "5"
    & skf21("6","3","3","3","4","5","6","1") = "5"
    & skf21("6","3","3","3","4","5","7","1") = "6"
    & skf21("6","3","3","3","4","6","1","1") = "5"
    & skf21("6","3","3","3","4","6","2","1") = "5"
    & skf21("6","3","3","3","4","6","3","1") = "5"
    & skf21("6","3","3","3","4","6","4","1") = "5"
    & skf21("6","3","3","3","4","6","5","1") = "5"
    & skf21("6","3","3","3","4","6","6","1") = "5"
    & skf21("6","3","3","3","4","6","7","1") = "6"
    & skf21("6","3","3","3","4","7","1","1") = "6"
    & skf21("6","3","3","3","4","7","2","1") = "6"
    & skf21("6","3","3","3","4","7","3","1") = "6"
    & skf21("6","3","3","3","4","7","4","1") = "6"
    & skf21("6","3","3","3","4","7","5","1") = "6"
    & skf21("6","3","3","3","4","7","6","1") = "6"
    & skf21("6","3","3","3","4","7","7","1") = "6"
    & skf21("6","3","3","3","5","1","1","1") = "5"
    & skf21("6","3","3","3","5","1","2","1") = "5"
    & skf21("6","3","3","3","5","1","3","1") = "5"
    & skf21("6","3","3","3","5","1","4","1") = "5"
    & skf21("6","3","3","3","5","1","5","1") = "5"
    & skf21("6","3","3","3","5","1","6","1") = "5"
    & skf21("6","3","3","3","5","1","7","1") = "6"
    & skf21("6","3","3","3","5","2","1","1") = "5"
    & skf21("6","3","3","3","5","2","2","1") = "5"
    & skf21("6","3","3","3","5","2","3","1") = "5"
    & skf21("6","3","3","3","5","2","4","1") = "5"
    & skf21("6","3","3","3","5","2","5","1") = "5"
    & skf21("6","3","3","3","5","2","6","1") = "5"
    & skf21("6","3","3","3","5","2","7","1") = "6"
    & skf21("6","3","3","3","5","3","1","1") = "5"
    & skf21("6","3","3","3","5","3","2","1") = "5"
    & skf21("6","3","3","3","5","3","3","1") = "5"
    & skf21("6","3","3","3","5","3","4","1") = "5"
    & skf21("6","3","3","3","5","3","5","1") = "5"
    & skf21("6","3","3","3","5","3","6","1") = "5"
    & skf21("6","3","3","3","5","3","7","1") = "6"
    & skf21("6","3","3","3","5","4","1","1") = "5"
    & skf21("6","3","3","3","5","4","2","1") = "5"
    & skf21("6","3","3","3","5","4","3","1") = "5"
    & skf21("6","3","3","3","5","4","4","1") = "5"
    & skf21("6","3","3","3","5","4","5","1") = "5"
    & skf21("6","3","3","3","5","4","6","1") = "5"
    & skf21("6","3","3","3","5","4","7","1") = "6"
    & skf21("6","3","3","3","5","5","1","1") = "5"
    & skf21("6","3","3","3","5","5","2","1") = "5"
    & skf21("6","3","3","3","5","5","3","1") = "5"
    & skf21("6","3","3","3","5","5","4","1") = "5"
    & skf21("6","3","3","3","5","5","5","1") = "5"
    & skf21("6","3","3","3","5","5","6","1") = "5"
    & skf21("6","3","3","3","5","5","7","1") = "6"
    & skf21("6","3","3","3","5","6","1","1") = "5"
    & skf21("6","3","3","3","5","6","2","1") = "5"
    & skf21("6","3","3","3","5","6","3","1") = "5"
    & skf21("6","3","3","3","5","6","4","1") = "5"
    & skf21("6","3","3","3","5","6","5","1") = "5"
    & skf21("6","3","3","3","5","6","6","1") = "5"
    & skf21("6","3","3","3","5","6","7","1") = "6"
    & skf21("6","3","3","3","5","7","1","1") = "6"
    & skf21("6","3","3","3","5","7","2","1") = "6"
    & skf21("6","3","3","3","5","7","3","1") = "6"
    & skf21("6","3","3","3","5","7","4","1") = "6"
    & skf21("6","3","3","3","5","7","5","1") = "6"
    & skf21("6","3","3","3","5","7","6","1") = "6"
    & skf21("6","3","3","3","5","7","7","1") = "6"
    & skf21("6","3","3","3","6","1","1","1") = "5"
    & skf21("6","3","3","3","6","1","2","1") = "5"
    & skf21("6","3","3","3","6","1","3","1") = "5"
    & skf21("6","3","3","3","6","1","4","1") = "5"
    & skf21("6","3","3","3","6","1","5","1") = "5"
    & skf21("6","3","3","3","6","1","6","1") = "5"
    & skf21("6","3","3","3","6","1","7","1") = "6"
    & skf21("6","3","3","3","6","2","1","1") = "5"
    & skf21("6","3","3","3","6","2","2","1") = "5"
    & skf21("6","3","3","3","6","2","3","1") = "5"
    & skf21("6","3","3","3","6","2","4","1") = "5"
    & skf21("6","3","3","3","6","2","5","1") = "5"
    & skf21("6","3","3","3","6","2","6","1") = "5"
    & skf21("6","3","3","3","6","2","7","1") = "6"
    & skf21("6","3","3","3","6","3","1","1") = "5"
    & skf21("6","3","3","3","6","3","2","1") = "5"
    & skf21("6","3","3","3","6","3","3","1") = "5"
    & skf21("6","3","3","3","6","3","4","1") = "5"
    & skf21("6","3","3","3","6","3","5","1") = "5"
    & skf21("6","3","3","3","6","3","6","1") = "5"
    & skf21("6","3","3","3","6","3","7","1") = "6"
    & skf21("6","3","3","3","6","4","1","1") = "5"
    & skf21("6","3","3","3","6","4","2","1") = "5"
    & skf21("6","3","3","3","6","4","3","1") = "5"
    & skf21("6","3","3","3","6","4","4","1") = "5"
    & skf21("6","3","3","3","6","4","5","1") = "5"
    & skf21("6","3","3","3","6","4","6","1") = "5"
    & skf21("6","3","3","3","6","4","7","1") = "6"
    & skf21("6","3","3","3","6","5","1","1") = "5"
    & skf21("6","3","3","3","6","5","2","1") = "5"
    & skf21("6","3","3","3","6","5","3","1") = "5"
    & skf21("6","3","3","3","6","5","4","1") = "5"
    & skf21("6","3","3","3","6","5","5","1") = "5"
    & skf21("6","3","3","3","6","5","6","1") = "5"
    & skf21("6","3","3","3","6","5","7","1") = "6"
    & skf21("6","3","3","3","6","6","1","1") = "5"
    & skf21("6","3","3","3","6","6","2","1") = "5"
    & skf21("6","3","3","3","6","6","3","1") = "5"
    & skf21("6","3","3","3","6","6","4","1") = "5"
    & skf21("6","3","3","3","6","6","5","1") = "5"
    & skf21("6","3","3","3","6","6","6","1") = "5"
    & skf21("6","3","3","3","6","6","7","1") = "6"
    & skf21("6","3","3","3","6","7","1","1") = "6"
    & skf21("6","3","3","3","6","7","2","1") = "6"
    & skf21("6","3","3","3","6","7","3","1") = "6"
    & skf21("6","3","3","3","6","7","4","1") = "6"
    & skf21("6","3","3","3","6","7","5","1") = "6"
    & skf21("6","3","3","3","6","7","6","1") = "6"
    & skf21("6","3","3","3","6","7","7","1") = "6"
    & skf21("6","3","3","3","7","1","1","1") = "6"
    & skf21("6","3","3","3","7","1","2","1") = "6"
    & skf21("6","3","3","3","7","1","3","1") = "6"
    & skf21("6","3","3","3","7","1","4","1") = "6"
    & skf21("6","3","3","3","7","1","5","1") = "6"
    & skf21("6","3","3","3","7","1","6","1") = "6"
    & skf21("6","3","3","3","7","1","7","1") = "6"
    & skf21("6","3","3","3","7","2","1","1") = "6"
    & skf21("6","3","3","3","7","2","2","1") = "6"
    & skf21("6","3","3","3","7","2","3","1") = "6"
    & skf21("6","3","3","3","7","2","4","1") = "6"
    & skf21("6","3","3","3","7","2","5","1") = "6"
    & skf21("6","3","3","3","7","2","6","1") = "6"
    & skf21("6","3","3","3","7","2","7","1") = "6"
    & skf21("6","3","3","3","7","3","1","1") = "6"
    & skf21("6","3","3","3","7","3","2","1") = "6"
    & skf21("6","3","3","3","7","3","3","1") = "6"
    & skf21("6","3","3","3","7","3","4","1") = "6"
    & skf21("6","3","3","3","7","3","5","1") = "6"
    & skf21("6","3","3","3","7","3","6","1") = "6"
    & skf21("6","3","3","3","7","3","7","1") = "6"
    & skf21("6","3","3","3","7","4","1","1") = "6"
    & skf21("6","3","3","3","7","4","2","1") = "6"
    & skf21("6","3","3","3","7","4","3","1") = "6"
    & skf21("6","3","3","3","7","4","4","1") = "6"
    & skf21("6","3","3","3","7","4","5","1") = "6"
    & skf21("6","3","3","3","7","4","6","1") = "6"
    & skf21("6","3","3","3","7","4","7","1") = "6"
    & skf21("6","3","3","3","7","5","1","1") = "6"
    & skf21("6","3","3","3","7","5","2","1") = "6"
    & skf21("6","3","3","3","7","5","3","1") = "6"
    & skf21("6","3","3","3","7","5","4","1") = "6"
    & skf21("6","3","3","3","7","5","5","1") = "6"
    & skf21("6","3","3","3","7","5","6","1") = "6"
    & skf21("6","3","3","3","7","5","7","1") = "6"
    & skf21("6","3","3","3","7","6","1","1") = "6"
    & skf21("6","3","3","3","7","6","2","1") = "6"
    & skf21("6","3","3","3","7","6","3","1") = "6"
    & skf21("6","3","3","3","7","6","4","1") = "6"
    & skf21("6","3","3","3","7","6","5","1") = "6"
    & skf21("6","3","3","3","7","6","6","1") = "6"
    & skf21("6","3","3","3","7","6","7","1") = "6"
    & skf21("6","3","3","3","7","7","1","1") = "6"
    & skf21("6","3","3","3","7","7","2","1") = "6"
    & skf21("6","3","3","3","7","7","3","1") = "6"
    & skf21("6","3","3","3","7","7","4","1") = "6"
    & skf21("6","3","3","3","7","7","5","1") = "6"
    & skf21("6","3","3","3","7","7","6","1") = "6"
    & skf21("6","3","3","3","7","7","7","1") = "6"
    & skf21("6","3","3","4","1","1","1","1") = "5"
    & skf21("6","3","3","4","1","1","2","1") = "5"
    & skf21("6","3","3","4","1","1","3","1") = "5"
    & skf21("6","3","3","4","1","1","4","1") = "5"
    & skf21("6","3","3","4","1","1","5","1") = "5"
    & skf21("6","3","3","4","1","1","6","1") = "5"
    & skf21("6","3","3","4","1","1","7","1") = "6"
    & skf21("6","3","3","4","1","2","1","1") = "5"
    & skf21("6","3","3","4","1","2","2","1") = "5"
    & skf21("6","3","3","4","1","2","3","1") = "5"
    & skf21("6","3","3","4","1","2","4","1") = "5"
    & skf21("6","3","3","4","1","2","5","1") = "5"
    & skf21("6","3","3","4","1","2","6","1") = "5"
    & skf21("6","3","3","4","1","2","7","1") = "6"
    & skf21("6","3","3","4","1","3","1","1") = "5"
    & skf21("6","3","3","4","1","3","2","1") = "5"
    & skf21("6","3","3","4","1","3","3","1") = "5"
    & skf21("6","3","3","4","1","3","4","1") = "5"
    & skf21("6","3","3","4","1","3","5","1") = "5"
    & skf21("6","3","3","4","1","3","6","1") = "5"
    & skf21("6","3","3","4","1","3","7","1") = "6"
    & skf21("6","3","3","4","1","4","1","1") = "5"
    & skf21("6","3","3","4","1","4","2","1") = "5"
    & skf21("6","3","3","4","1","4","3","1") = "5"
    & skf21("6","3","3","4","1","4","4","1") = "5"
    & skf21("6","3","3","4","1","4","5","1") = "5"
    & skf21("6","3","3","4","1","4","6","1") = "5"
    & skf21("6","3","3","4","1","4","7","1") = "6"
    & skf21("6","3","3","4","1","5","1","1") = "5"
    & skf21("6","3","3","4","1","5","2","1") = "5"
    & skf21("6","3","3","4","1","5","3","1") = "5"
    & skf21("6","3","3","4","1","5","4","1") = "5"
    & skf21("6","3","3","4","1","5","5","1") = "5"
    & skf21("6","3","3","4","1","5","6","1") = "5"
    & skf21("6","3","3","4","1","5","7","1") = "6"
    & skf21("6","3","3","4","1","6","1","1") = "5"
    & skf21("6","3","3","4","1","6","2","1") = "5"
    & skf21("6","3","3","4","1","6","3","1") = "5"
    & skf21("6","3","3","4","1","6","4","1") = "5"
    & skf21("6","3","3","4","1","6","5","1") = "5"
    & skf21("6","3","3","4","1","6","6","1") = "5"
    & skf21("6","3","3","4","1","6","7","1") = "6"
    & skf21("6","3","3","4","1","7","1","1") = "6"
    & skf21("6","3","3","4","1","7","2","1") = "6"
    & skf21("6","3","3","4","1","7","3","1") = "6"
    & skf21("6","3","3","4","1","7","4","1") = "6"
    & skf21("6","3","3","4","1","7","5","1") = "6"
    & skf21("6","3","3","4","1","7","6","1") = "6"
    & skf21("6","3","3","4","1","7","7","1") = "6"
    & skf21("6","3","3","4","2","1","1","1") = "5"
    & skf21("6","3","3","4","2","1","2","1") = "5"
    & skf21("6","3","3","4","2","1","3","1") = "5"
    & skf21("6","3","3","4","2","1","4","1") = "5"
    & skf21("6","3","3","4","2","1","5","1") = "5"
    & skf21("6","3","3","4","2","1","6","1") = "5"
    & skf21("6","3","3","4","2","1","7","1") = "6"
    & skf21("6","3","3","4","2","2","1","1") = "5"
    & skf21("6","3","3","4","2","2","2","1") = "5"
    & skf21("6","3","3","4","2","2","3","1") = "5"
    & skf21("6","3","3","4","2","2","4","1") = "5"
    & skf21("6","3","3","4","2","2","5","1") = "5"
    & skf21("6","3","3","4","2","2","6","1") = "5"
    & skf21("6","3","3","4","2","2","7","1") = "6"
    & skf21("6","3","3","4","2","3","1","1") = "5"
    & skf21("6","3","3","4","2","3","2","1") = "5"
    & skf21("6","3","3","4","2","3","3","1") = "5"
    & skf21("6","3","3","4","2","3","4","1") = "5"
    & skf21("6","3","3","4","2","3","5","1") = "5"
    & skf21("6","3","3","4","2","3","6","1") = "5"
    & skf21("6","3","3","4","2","3","7","1") = "6"
    & skf21("6","3","3","4","2","4","1","1") = "5"
    & skf21("6","3","3","4","2","4","2","1") = "5"
    & skf21("6","3","3","4","2","4","3","1") = "5"
    & skf21("6","3","3","4","2","4","4","1") = "5"
    & skf21("6","3","3","4","2","4","5","1") = "5"
    & skf21("6","3","3","4","2","4","6","1") = "5"
    & skf21("6","3","3","4","2","4","7","1") = "6"
    & skf21("6","3","3","4","2","5","1","1") = "5"
    & skf21("6","3","3","4","2","5","2","1") = "5"
    & skf21("6","3","3","4","2","5","3","1") = "5"
    & skf21("6","3","3","4","2","5","4","1") = "5"
    & skf21("6","3","3","4","2","5","5","1") = "5"
    & skf21("6","3","3","4","2","5","6","1") = "5"
    & skf21("6","3","3","4","2","5","7","1") = "6"
    & skf21("6","3","3","4","2","6","1","1") = "5"
    & skf21("6","3","3","4","2","6","2","1") = "5"
    & skf21("6","3","3","4","2","6","3","1") = "5"
    & skf21("6","3","3","4","2","6","4","1") = "5"
    & skf21("6","3","3","4","2","6","5","1") = "5"
    & skf21("6","3","3","4","2","6","6","1") = "5"
    & skf21("6","3","3","4","2","6","7","1") = "6"
    & skf21("6","3","3","4","2","7","1","1") = "6"
    & skf21("6","3","3","4","2","7","2","1") = "6"
    & skf21("6","3","3","4","2","7","3","1") = "6"
    & skf21("6","3","3","4","2","7","4","1") = "6"
    & skf21("6","3","3","4","2","7","5","1") = "6"
    & skf21("6","3","3","4","2","7","6","1") = "6"
    & skf21("6","3","3","4","2","7","7","1") = "6"
    & skf21("6","3","3","4","3","1","1","1") = "5"
    & skf21("6","3","3","4","3","1","2","1") = "5"
    & skf21("6","3","3","4","3","1","3","1") = "5"
    & skf21("6","3","3","4","3","1","4","1") = "5"
    & skf21("6","3","3","4","3","1","5","1") = "5"
    & skf21("6","3","3","4","3","1","6","1") = "5"
    & skf21("6","3","3","4","3","1","7","1") = "6"
    & skf21("6","3","3","4","3","2","1","1") = "5"
    & skf21("6","3","3","4","3","2","2","1") = "5"
    & skf21("6","3","3","4","3","2","3","1") = "5"
    & skf21("6","3","3","4","3","2","4","1") = "5"
    & skf21("6","3","3","4","3","2","5","1") = "5"
    & skf21("6","3","3","4","3","2","6","1") = "5"
    & skf21("6","3","3","4","3","2","7","1") = "6"
    & skf21("6","3","3","4","3","3","1","1") = "5"
    & skf21("6","3","3","4","3","3","2","1") = "5"
    & skf21("6","3","3","4","3","3","3","1") = "5"
    & skf21("6","3","3","4","3","3","4","1") = "5"
    & skf21("6","3","3","4","3","3","5","1") = "5"
    & skf21("6","3","3","4","3","3","6","1") = "5"
    & skf21("6","3","3","4","3","3","7","1") = "6"
    & skf21("6","3","3","4","3","4","1","1") = "5"
    & skf21("6","3","3","4","3","4","2","1") = "5"
    & skf21("6","3","3","4","3","4","3","1") = "5"
    & skf21("6","3","3","4","3","4","4","1") = "5"
    & skf21("6","3","3","4","3","4","5","1") = "5"
    & skf21("6","3","3","4","3","4","6","1") = "5"
    & skf21("6","3","3","4","3","4","7","1") = "6"
    & skf21("6","3","3","4","3","5","1","1") = "5"
    & skf21("6","3","3","4","3","5","2","1") = "5"
    & skf21("6","3","3","4","3","5","3","1") = "5"
    & skf21("6","3","3","4","3","5","4","1") = "5"
    & skf21("6","3","3","4","3","5","5","1") = "5"
    & skf21("6","3","3","4","3","5","6","1") = "5"
    & skf21("6","3","3","4","3","5","7","1") = "6"
    & skf21("6","3","3","4","3","6","1","1") = "5"
    & skf21("6","3","3","4","3","6","2","1") = "5"
    & skf21("6","3","3","4","3","6","3","1") = "5"
    & skf21("6","3","3","4","3","6","4","1") = "5"
    & skf21("6","3","3","4","3","6","5","1") = "5"
    & skf21("6","3","3","4","3","6","6","1") = "5"
    & skf21("6","3","3","4","3","6","7","1") = "6"
    & skf21("6","3","3","4","3","7","1","1") = "6"
    & skf21("6","3","3","4","3","7","2","1") = "6"
    & skf21("6","3","3","4","3","7","3","1") = "6"
    & skf21("6","3","3","4","3","7","4","1") = "6"
    & skf21("6","3","3","4","3","7","5","1") = "6"
    & skf21("6","3","3","4","3","7","6","1") = "6"
    & skf21("6","3","3","4","3","7","7","1") = "6"
    & skf21("6","3","3","4","4","1","1","1") = "5"
    & skf21("6","3","3","4","4","1","2","1") = "5"
    & skf21("6","3","3","4","4","1","3","1") = "5"
    & skf21("6","3","3","4","4","1","4","1") = "5"
    & skf21("6","3","3","4","4","1","5","1") = "5"
    & skf21("6","3","3","4","4","1","6","1") = "5"
    & skf21("6","3","3","4","4","1","7","1") = "6"
    & skf21("6","3","3","4","4","2","1","1") = "5"
    & skf21("6","3","3","4","4","2","2","1") = "5"
    & skf21("6","3","3","4","4","2","3","1") = "5"
    & skf21("6","3","3","4","4","2","4","1") = "5"
    & skf21("6","3","3","4","4","2","5","1") = "5"
    & skf21("6","3","3","4","4","2","6","1") = "5"
    & skf21("6","3","3","4","4","2","7","1") = "6"
    & skf21("6","3","3","4","4","3","1","1") = "5"
    & skf21("6","3","3","4","4","3","2","1") = "5"
    & skf21("6","3","3","4","4","3","3","1") = "5"
    & skf21("6","3","3","4","4","3","4","1") = "5"
    & skf21("6","3","3","4","4","3","5","1") = "5"
    & skf21("6","3","3","4","4","3","6","1") = "5"
    & skf21("6","3","3","4","4","3","7","1") = "6"
    & skf21("6","3","3","4","4","4","1","1") = "5"
    & skf21("6","3","3","4","4","4","2","1") = "5"
    & skf21("6","3","3","4","4","4","3","1") = "5"
    & skf21("6","3","3","4","4","4","4","1") = "5"
    & skf21("6","3","3","4","4","4","5","1") = "5"
    & skf21("6","3","3","4","4","4","6","1") = "5"
    & skf21("6","3","3","4","4","4","7","1") = "6"
    & skf21("6","3","3","4","4","5","1","1") = "5"
    & skf21("6","3","3","4","4","5","2","1") = "5"
    & skf21("6","3","3","4","4","5","3","1") = "5"
    & skf21("6","3","3","4","4","5","4","1") = "5"
    & skf21("6","3","3","4","4","5","5","1") = "5"
    & skf21("6","3","3","4","4","5","6","1") = "5"
    & skf21("6","3","3","4","4","5","7","1") = "6"
    & skf21("6","3","3","4","4","6","1","1") = "5"
    & skf21("6","3","3","4","4","6","2","1") = "5"
    & skf21("6","3","3","4","4","6","3","1") = "5"
    & skf21("6","3","3","4","4","6","4","1") = "5"
    & skf21("6","3","3","4","4","6","5","1") = "5"
    & skf21("6","3","3","4","4","6","6","1") = "5"
    & skf21("6","3","3","4","4","6","7","1") = "6"
    & skf21("6","3","3","4","4","7","1","1") = "6"
    & skf21("6","3","3","4","4","7","2","1") = "6"
    & skf21("6","3","3","4","4","7","3","1") = "6"
    & skf21("6","3","3","4","4","7","4","1") = "6"
    & skf21("6","3","3","4","4","7","5","1") = "6"
    & skf21("6","3","3","4","4","7","6","1") = "6"
    & skf21("6","3","3","4","4","7","7","1") = "6"
    & skf21("6","3","3","4","5","1","1","1") = "5"
    & skf21("6","3","3","4","5","1","2","1") = "5"
    & skf21("6","3","3","4","5","1","3","1") = "5"
    & skf21("6","3","3","4","5","1","4","1") = "5"
    & skf21("6","3","3","4","5","1","5","1") = "5"
    & skf21("6","3","3","4","5","1","6","1") = "5"
    & skf21("6","3","3","4","5","1","7","1") = "6"
    & skf21("6","3","3","4","5","2","1","1") = "5"
    & skf21("6","3","3","4","5","2","2","1") = "5"
    & skf21("6","3","3","4","5","2","3","1") = "5"
    & skf21("6","3","3","4","5","2","4","1") = "5"
    & skf21("6","3","3","4","5","2","5","1") = "5"
    & skf21("6","3","3","4","5","2","6","1") = "5"
    & skf21("6","3","3","4","5","2","7","1") = "6"
    & skf21("6","3","3","4","5","3","1","1") = "5"
    & skf21("6","3","3","4","5","3","2","1") = "5"
    & skf21("6","3","3","4","5","3","3","1") = "5"
    & skf21("6","3","3","4","5","3","4","1") = "5"
    & skf21("6","3","3","4","5","3","5","1") = "5"
    & skf21("6","3","3","4","5","3","6","1") = "5"
    & skf21("6","3","3","4","5","3","7","1") = "6"
    & skf21("6","3","3","4","5","4","1","1") = "5"
    & skf21("6","3","3","4","5","4","2","1") = "5"
    & skf21("6","3","3","4","5","4","3","1") = "5"
    & skf21("6","3","3","4","5","4","4","1") = "5"
    & skf21("6","3","3","4","5","4","5","1") = "5"
    & skf21("6","3","3","4","5","4","6","1") = "5"
    & skf21("6","3","3","4","5","4","7","1") = "6"
    & skf21("6","3","3","4","5","5","1","1") = "5"
    & skf21("6","3","3","4","5","5","2","1") = "5"
    & skf21("6","3","3","4","5","5","3","1") = "5"
    & skf21("6","3","3","4","5","5","4","1") = "5"
    & skf21("6","3","3","4","5","5","5","1") = "5"
    & skf21("6","3","3","4","5","5","6","1") = "5"
    & skf21("6","3","3","4","5","5","7","1") = "6"
    & skf21("6","3","3","4","5","6","1","1") = "5"
    & skf21("6","3","3","4","5","6","2","1") = "5"
    & skf21("6","3","3","4","5","6","3","1") = "5"
    & skf21("6","3","3","4","5","6","4","1") = "5"
    & skf21("6","3","3","4","5","6","5","1") = "5"
    & skf21("6","3","3","4","5","6","6","1") = "5"
    & skf21("6","3","3","4","5","6","7","1") = "6"
    & skf21("6","3","3","4","5","7","1","1") = "6"
    & skf21("6","3","3","4","5","7","2","1") = "6"
    & skf21("6","3","3","4","5","7","3","1") = "6"
    & skf21("6","3","3","4","5","7","4","1") = "6"
    & skf21("6","3","3","4","5","7","5","1") = "6"
    & skf21("6","3","3","4","5","7","6","1") = "6"
    & skf21("6","3","3","4","5","7","7","1") = "6"
    & skf21("6","3","3","4","6","1","1","1") = "5"
    & skf21("6","3","3","4","6","1","2","1") = "5"
    & skf21("6","3","3","4","6","1","3","1") = "5"
    & skf21("6","3","3","4","6","1","4","1") = "5"
    & skf21("6","3","3","4","6","1","5","1") = "5"
    & skf21("6","3","3","4","6","1","6","1") = "5"
    & skf21("6","3","3","4","6","1","7","1") = "6"
    & skf21("6","3","3","4","6","2","1","1") = "5"
    & skf21("6","3","3","4","6","2","2","1") = "5"
    & skf21("6","3","3","4","6","2","3","1") = "5"
    & skf21("6","3","3","4","6","2","4","1") = "5"
    & skf21("6","3","3","4","6","2","5","1") = "5"
    & skf21("6","3","3","4","6","2","6","1") = "5"
    & skf21("6","3","3","4","6","2","7","1") = "6"
    & skf21("6","3","3","4","6","3","1","1") = "5"
    & skf21("6","3","3","4","6","3","2","1") = "5"
    & skf21("6","3","3","4","6","3","3","1") = "5"
    & skf21("6","3","3","4","6","3","4","1") = "5"
    & skf21("6","3","3","4","6","3","5","1") = "5"
    & skf21("6","3","3","4","6","3","6","1") = "5"
    & skf21("6","3","3","4","6","3","7","1") = "6"
    & skf21("6","3","3","4","6","4","1","1") = "5"
    & skf21("6","3","3","4","6","4","2","1") = "5"
    & skf21("6","3","3","4","6","4","3","1") = "5"
    & skf21("6","3","3","4","6","4","4","1") = "5"
    & skf21("6","3","3","4","6","4","5","1") = "5"
    & skf21("6","3","3","4","6","4","6","1") = "5"
    & skf21("6","3","3","4","6","4","7","1") = "6"
    & skf21("6","3","3","4","6","5","1","1") = "5"
    & skf21("6","3","3","4","6","5","2","1") = "5"
    & skf21("6","3","3","4","6","5","3","1") = "5"
    & skf21("6","3","3","4","6","5","4","1") = "5"
    & skf21("6","3","3","4","6","5","5","1") = "5"
    & skf21("6","3","3","4","6","5","6","1") = "5"
    & skf21("6","3","3","4","6","5","7","1") = "6"
    & skf21("6","3","3","4","6","6","1","1") = "5"
    & skf21("6","3","3","4","6","6","2","1") = "5"
    & skf21("6","3","3","4","6","6","3","1") = "5"
    & skf21("6","3","3","4","6","6","4","1") = "5"
    & skf21("6","3","3","4","6","6","5","1") = "5"
    & skf21("6","3","3","4","6","6","6","1") = "5"
    & skf21("6","3","3","4","6","6","7","1") = "6"
    & skf21("6","3","3","4","6","7","1","1") = "6"
    & skf21("6","3","3","4","6","7","2","1") = "6"
    & skf21("6","3","3","4","6","7","3","1") = "6"
    & skf21("6","3","3","4","6","7","4","1") = "6"
    & skf21("6","3","3","4","6","7","5","1") = "6"
    & skf21("6","3","3","4","6","7","6","1") = "6"
    & skf21("6","3","3","4","6","7","7","1") = "6"
    & skf21("6","3","3","4","7","1","1","1") = "6"
    & skf21("6","3","3","4","7","1","2","1") = "6"
    & skf21("6","3","3","4","7","1","3","1") = "6"
    & skf21("6","3","3","4","7","1","4","1") = "6"
    & skf21("6","3","3","4","7","1","5","1") = "6"
    & skf21("6","3","3","4","7","1","6","1") = "6"
    & skf21("6","3","3","4","7","1","7","1") = "6"
    & skf21("6","3","3","4","7","2","1","1") = "6"
    & skf21("6","3","3","4","7","2","2","1") = "6"
    & skf21("6","3","3","4","7","2","3","1") = "6"
    & skf21("6","3","3","4","7","2","4","1") = "6"
    & skf21("6","3","3","4","7","2","5","1") = "6"
    & skf21("6","3","3","4","7","2","6","1") = "6"
    & skf21("6","3","3","4","7","2","7","1") = "6"
    & skf21("6","3","3","4","7","3","1","1") = "6"
    & skf21("6","3","3","4","7","3","2","1") = "6"
    & skf21("6","3","3","4","7","3","3","1") = "6"
    & skf21("6","3","3","4","7","3","4","1") = "6"
    & skf21("6","3","3","4","7","3","5","1") = "6"
    & skf21("6","3","3","4","7","3","6","1") = "6"
    & skf21("6","3","3","4","7","3","7","1") = "6"
    & skf21("6","3","3","4","7","4","1","1") = "6"
    & skf21("6","3","3","4","7","4","2","1") = "6"
    & skf21("6","3","3","4","7","4","3","1") = "6"
    & skf21("6","3","3","4","7","4","4","1") = "6"
    & skf21("6","3","3","4","7","4","5","1") = "6"
    & skf21("6","3","3","4","7","4","6","1") = "6"
    & skf21("6","3","3","4","7","4","7","1") = "6"
    & skf21("6","3","3","4","7","5","1","1") = "6"
    & skf21("6","3","3","4","7","5","2","1") = "6"
    & skf21("6","3","3","4","7","5","3","1") = "6"
    & skf21("6","3","3","4","7","5","4","1") = "6"
    & skf21("6","3","3","4","7","5","5","1") = "6"
    & skf21("6","3","3","4","7","5","6","1") = "6"
    & skf21("6","3","3","4","7","5","7","1") = "6"
    & skf21("6","3","3","4","7","6","1","1") = "6"
    & skf21("6","3","3","4","7","6","2","1") = "6"
    & skf21("6","3","3","4","7","6","3","1") = "6"
    & skf21("6","3","3","4","7","6","4","1") = "6"
    & skf21("6","3","3","4","7","6","5","1") = "6"
    & skf21("6","3","3","4","7","6","6","1") = "6"
    & skf21("6","3","3","4","7","6","7","1") = "6"
    & skf21("6","3","3","4","7","7","1","1") = "6"
    & skf21("6","3","3","4","7","7","2","1") = "6"
    & skf21("6","3","3","4","7","7","3","1") = "6"
    & skf21("6","3","3","4","7","7","4","1") = "6"
    & skf21("6","3","3","4","7","7","5","1") = "6"
    & skf21("6","3","3","4","7","7","6","1") = "6"
    & skf21("6","3","3","4","7","7","7","1") = "6"
    & skf21("6","3","3","5","1","1","1","1") = "5"
    & skf21("6","3","3","5","1","1","2","1") = "5"
    & skf21("6","3","3","5","1","1","3","1") = "5"
    & skf21("6","3","3","5","1","1","4","1") = "5"
    & skf21("6","3","3","5","1","1","5","1") = "5"
    & skf21("6","3","3","5","1","1","6","1") = "5"
    & skf21("6","3","3","5","1","1","7","1") = "6"
    & skf21("6","3","3","5","1","2","1","1") = "5"
    & skf21("6","3","3","5","1","2","2","1") = "5"
    & skf21("6","3","3","5","1","2","3","1") = "5"
    & skf21("6","3","3","5","1","2","4","1") = "5"
    & skf21("6","3","3","5","1","2","5","1") = "5"
    & skf21("6","3","3","5","1","2","6","1") = "5"
    & skf21("6","3","3","5","1","2","7","1") = "6"
    & skf21("6","3","3","5","1","3","1","1") = "5"
    & skf21("6","3","3","5","1","3","2","1") = "5"
    & skf21("6","3","3","5","1","3","3","1") = "5"
    & skf21("6","3","3","5","1","3","4","1") = "5"
    & skf21("6","3","3","5","1","3","5","1") = "5"
    & skf21("6","3","3","5","1","3","6","1") = "5"
    & skf21("6","3","3","5","1","3","7","1") = "6"
    & skf21("6","3","3","5","1","4","1","1") = "5"
    & skf21("6","3","3","5","1","4","2","1") = "5"
    & skf21("6","3","3","5","1","4","3","1") = "5"
    & skf21("6","3","3","5","1","4","4","1") = "5"
    & skf21("6","3","3","5","1","4","5","1") = "5"
    & skf21("6","3","3","5","1","4","6","1") = "5"
    & skf21("6","3","3","5","1","4","7","1") = "6"
    & skf21("6","3","3","5","1","5","1","1") = "5"
    & skf21("6","3","3","5","1","5","2","1") = "5"
    & skf21("6","3","3","5","1","5","3","1") = "5"
    & skf21("6","3","3","5","1","5","4","1") = "5"
    & skf21("6","3","3","5","1","5","5","1") = "5"
    & skf21("6","3","3","5","1","5","6","1") = "5"
    & skf21("6","3","3","5","1","5","7","1") = "6"
    & skf21("6","3","3","5","1","6","1","1") = "5"
    & skf21("6","3","3","5","1","6","2","1") = "5"
    & skf21("6","3","3","5","1","6","3","1") = "5"
    & skf21("6","3","3","5","1","6","4","1") = "5"
    & skf21("6","3","3","5","1","6","5","1") = "5"
    & skf21("6","3","3","5","1","6","6","1") = "5"
    & skf21("6","3","3","5","1","6","7","1") = "6"
    & skf21("6","3","3","5","1","7","1","1") = "6"
    & skf21("6","3","3","5","1","7","2","1") = "6"
    & skf21("6","3","3","5","1","7","3","1") = "6"
    & skf21("6","3","3","5","1","7","4","1") = "6"
    & skf21("6","3","3","5","1","7","5","1") = "6"
    & skf21("6","3","3","5","1","7","6","1") = "6"
    & skf21("6","3","3","5","1","7","7","1") = "6"
    & skf21("6","3","3","5","2","1","1","1") = "5"
    & skf21("6","3","3","5","2","1","2","1") = "5"
    & skf21("6","3","3","5","2","1","3","1") = "5"
    & skf21("6","3","3","5","2","1","4","1") = "5"
    & skf21("6","3","3","5","2","1","5","1") = "5"
    & skf21("6","3","3","5","2","1","6","1") = "5"
    & skf21("6","3","3","5","2","1","7","1") = "6"
    & skf21("6","3","3","5","2","2","1","1") = "5"
    & skf21("6","3","3","5","2","2","2","1") = "5"
    & skf21("6","3","3","5","2","2","3","1") = "5"
    & skf21("6","3","3","5","2","2","4","1") = "5"
    & skf21("6","3","3","5","2","2","5","1") = "5"
    & skf21("6","3","3","5","2","2","6","1") = "5"
    & skf21("6","3","3","5","2","2","7","1") = "6"
    & skf21("6","3","3","5","2","3","1","1") = "5"
    & skf21("6","3","3","5","2","3","2","1") = "5"
    & skf21("6","3","3","5","2","3","3","1") = "5"
    & skf21("6","3","3","5","2","3","4","1") = "5"
    & skf21("6","3","3","5","2","3","5","1") = "5"
    & skf21("6","3","3","5","2","3","6","1") = "5"
    & skf21("6","3","3","5","2","3","7","1") = "6"
    & skf21("6","3","3","5","2","4","1","1") = "5"
    & skf21("6","3","3","5","2","4","2","1") = "5"
    & skf21("6","3","3","5","2","4","3","1") = "5"
    & skf21("6","3","3","5","2","4","4","1") = "5"
    & skf21("6","3","3","5","2","4","5","1") = "5"
    & skf21("6","3","3","5","2","4","6","1") = "5"
    & skf21("6","3","3","5","2","4","7","1") = "6"
    & skf21("6","3","3","5","2","5","1","1") = "5"
    & skf21("6","3","3","5","2","5","2","1") = "5"
    & skf21("6","3","3","5","2","5","3","1") = "5"
    & skf21("6","3","3","5","2","5","4","1") = "5"
    & skf21("6","3","3","5","2","5","5","1") = "5"
    & skf21("6","3","3","5","2","5","6","1") = "5"
    & skf21("6","3","3","5","2","5","7","1") = "6"
    & skf21("6","3","3","5","2","6","1","1") = "5"
    & skf21("6","3","3","5","2","6","2","1") = "5"
    & skf21("6","3","3","5","2","6","3","1") = "5"
    & skf21("6","3","3","5","2","6","4","1") = "5"
    & skf21("6","3","3","5","2","6","5","1") = "5"
    & skf21("6","3","3","5","2","6","6","1") = "5"
    & skf21("6","3","3","5","2","6","7","1") = "6"
    & skf21("6","3","3","5","2","7","1","1") = "6"
    & skf21("6","3","3","5","2","7","2","1") = "6"
    & skf21("6","3","3","5","2","7","3","1") = "6"
    & skf21("6","3","3","5","2","7","4","1") = "6"
    & skf21("6","3","3","5","2","7","5","1") = "6"
    & skf21("6","3","3","5","2","7","6","1") = "6"
    & skf21("6","3","3","5","2","7","7","1") = "6"
    & skf21("6","3","3","5","3","1","1","1") = "5"
    & skf21("6","3","3","5","3","1","2","1") = "5"
    & skf21("6","3","3","5","3","1","3","1") = "5"
    & skf21("6","3","3","5","3","1","4","1") = "5"
    & skf21("6","3","3","5","3","1","5","1") = "5"
    & skf21("6","3","3","5","3","1","6","1") = "5"
    & skf21("6","3","3","5","3","1","7","1") = "6"
    & skf21("6","3","3","5","3","2","1","1") = "5"
    & skf21("6","3","3","5","3","2","2","1") = "5"
    & skf21("6","3","3","5","3","2","3","1") = "5"
    & skf21("6","3","3","5","3","2","4","1") = "5"
    & skf21("6","3","3","5","3","2","5","1") = "5"
    & skf21("6","3","3","5","3","2","6","1") = "5"
    & skf21("6","3","3","5","3","2","7","1") = "6"
    & skf21("6","3","3","5","3","3","1","1") = "5"
    & skf21("6","3","3","5","3","3","2","1") = "5"
    & skf21("6","3","3","5","3","3","3","1") = "5"
    & skf21("6","3","3","5","3","3","4","1") = "5"
    & skf21("6","3","3","5","3","3","5","1") = "5"
    & skf21("6","3","3","5","3","3","6","1") = "5"
    & skf21("6","3","3","5","3","3","7","1") = "6"
    & skf21("6","3","3","5","3","4","1","1") = "5"
    & skf21("6","3","3","5","3","4","2","1") = "5"
    & skf21("6","3","3","5","3","4","3","1") = "5"
    & skf21("6","3","3","5","3","4","4","1") = "5"
    & skf21("6","3","3","5","3","4","5","1") = "5"
    & skf21("6","3","3","5","3","4","6","1") = "5"
    & skf21("6","3","3","5","3","4","7","1") = "6"
    & skf21("6","3","3","5","3","5","1","1") = "5"
    & skf21("6","3","3","5","3","5","2","1") = "5"
    & skf21("6","3","3","5","3","5","3","1") = "5"
    & skf21("6","3","3","5","3","5","4","1") = "5"
    & skf21("6","3","3","5","3","5","5","1") = "5"
    & skf21("6","3","3","5","3","5","6","1") = "5"
    & skf21("6","3","3","5","3","5","7","1") = "6"
    & skf21("6","3","3","5","3","6","1","1") = "5"
    & skf21("6","3","3","5","3","6","2","1") = "5"
    & skf21("6","3","3","5","3","6","3","1") = "5"
    & skf21("6","3","3","5","3","6","4","1") = "5"
    & skf21("6","3","3","5","3","6","5","1") = "5"
    & skf21("6","3","3","5","3","6","6","1") = "5"
    & skf21("6","3","3","5","3","6","7","1") = "6"
    & skf21("6","3","3","5","3","7","1","1") = "6"
    & skf21("6","3","3","5","3","7","2","1") = "6"
    & skf21("6","3","3","5","3","7","3","1") = "6"
    & skf21("6","3","3","5","3","7","4","1") = "6"
    & skf21("6","3","3","5","3","7","5","1") = "6"
    & skf21("6","3","3","5","3","7","6","1") = "6"
    & skf21("6","3","3","5","3","7","7","1") = "6"
    & skf21("6","3","3","5","4","1","1","1") = "5"
    & skf21("6","3","3","5","4","1","2","1") = "5"
    & skf21("6","3","3","5","4","1","3","1") = "5"
    & skf21("6","3","3","5","4","1","4","1") = "5"
    & skf21("6","3","3","5","4","1","5","1") = "5"
    & skf21("6","3","3","5","4","1","6","1") = "5"
    & skf21("6","3","3","5","4","1","7","1") = "6"
    & skf21("6","3","3","5","4","2","1","1") = "5"
    & skf21("6","3","3","5","4","2","2","1") = "5"
    & skf21("6","3","3","5","4","2","3","1") = "5"
    & skf21("6","3","3","5","4","2","4","1") = "5"
    & skf21("6","3","3","5","4","2","5","1") = "5"
    & skf21("6","3","3","5","4","2","6","1") = "5"
    & skf21("6","3","3","5","4","2","7","1") = "6"
    & skf21("6","3","3","5","4","3","1","1") = "5"
    & skf21("6","3","3","5","4","3","2","1") = "5"
    & skf21("6","3","3","5","4","3","3","1") = "5"
    & skf21("6","3","3","5","4","3","4","1") = "5"
    & skf21("6","3","3","5","4","3","5","1") = "5"
    & skf21("6","3","3","5","4","3","6","1") = "5"
    & skf21("6","3","3","5","4","3","7","1") = "6"
    & skf21("6","3","3","5","4","4","1","1") = "5"
    & skf21("6","3","3","5","4","4","2","1") = "5"
    & skf21("6","3","3","5","4","4","3","1") = "5"
    & skf21("6","3","3","5","4","4","4","1") = "5"
    & skf21("6","3","3","5","4","4","5","1") = "5"
    & skf21("6","3","3","5","4","4","6","1") = "5"
    & skf21("6","3","3","5","4","4","7","1") = "6"
    & skf21("6","3","3","5","4","5","1","1") = "5"
    & skf21("6","3","3","5","4","5","2","1") = "5"
    & skf21("6","3","3","5","4","5","3","1") = "5"
    & skf21("6","3","3","5","4","5","4","1") = "5"
    & skf21("6","3","3","5","4","5","5","1") = "5"
    & skf21("6","3","3","5","4","5","6","1") = "5"
    & skf21("6","3","3","5","4","5","7","1") = "6"
    & skf21("6","3","3","5","4","6","1","1") = "5"
    & skf21("6","3","3","5","4","6","2","1") = "5"
    & skf21("6","3","3","5","4","6","3","1") = "5"
    & skf21("6","3","3","5","4","6","4","1") = "5"
    & skf21("6","3","3","5","4","6","5","1") = "5"
    & skf21("6","3","3","5","4","6","6","1") = "5"
    & skf21("6","3","3","5","4","6","7","1") = "6"
    & skf21("6","3","3","5","4","7","1","1") = "6"
    & skf21("6","3","3","5","4","7","2","1") = "6"
    & skf21("6","3","3","5","4","7","3","1") = "6"
    & skf21("6","3","3","5","4","7","4","1") = "6"
    & skf21("6","3","3","5","4","7","5","1") = "6"
    & skf21("6","3","3","5","4","7","6","1") = "6"
    & skf21("6","3","3","5","4","7","7","1") = "6"
    & skf21("6","3","3","5","5","1","1","1") = "5"
    & skf21("6","3","3","5","5","1","2","1") = "5"
    & skf21("6","3","3","5","5","1","3","1") = "5"
    & skf21("6","3","3","5","5","1","4","1") = "5"
    & skf21("6","3","3","5","5","1","5","1") = "5"
    & skf21("6","3","3","5","5","1","6","1") = "5"
    & skf21("6","3","3","5","5","1","7","1") = "6"
    & skf21("6","3","3","5","5","2","1","1") = "5"
    & skf21("6","3","3","5","5","2","2","1") = "5"
    & skf21("6","3","3","5","5","2","3","1") = "5"
    & skf21("6","3","3","5","5","2","4","1") = "5"
    & skf21("6","3","3","5","5","2","5","1") = "5"
    & skf21("6","3","3","5","5","2","6","1") = "5"
    & skf21("6","3","3","5","5","2","7","1") = "6"
    & skf21("6","3","3","5","5","3","1","1") = "5"
    & skf21("6","3","3","5","5","3","2","1") = "5"
    & skf21("6","3","3","5","5","3","3","1") = "5"
    & skf21("6","3","3","5","5","3","4","1") = "5"
    & skf21("6","3","3","5","5","3","5","1") = "5"
    & skf21("6","3","3","5","5","3","6","1") = "5"
    & skf21("6","3","3","5","5","3","7","1") = "6"
    & skf21("6","3","3","5","5","4","1","1") = "5"
    & skf21("6","3","3","5","5","4","2","1") = "5"
    & skf21("6","3","3","5","5","4","3","1") = "5"
    & skf21("6","3","3","5","5","4","4","1") = "5"
    & skf21("6","3","3","5","5","4","5","1") = "5"
    & skf21("6","3","3","5","5","4","6","1") = "5"
    & skf21("6","3","3","5","5","4","7","1") = "6"
    & skf21("6","3","3","5","5","5","1","1") = "5"
    & skf21("6","3","3","5","5","5","2","1") = "5"
    & skf21("6","3","3","5","5","5","3","1") = "5"
    & skf21("6","3","3","5","5","5","4","1") = "5"
    & skf21("6","3","3","5","5","5","5","1") = "5"
    & skf21("6","3","3","5","5","5","6","1") = "5"
    & skf21("6","3","3","5","5","5","7","1") = "6"
    & skf21("6","3","3","5","5","6","1","1") = "5"
    & skf21("6","3","3","5","5","6","2","1") = "5"
    & skf21("6","3","3","5","5","6","3","1") = "5"
    & skf21("6","3","3","5","5","6","4","1") = "5"
    & skf21("6","3","3","5","5","6","5","1") = "5"
    & skf21("6","3","3","5","5","6","6","1") = "5"
    & skf21("6","3","3","5","5","6","7","1") = "6"
    & skf21("6","3","3","5","5","7","1","1") = "6"
    & skf21("6","3","3","5","5","7","2","1") = "6"
    & skf21("6","3","3","5","5","7","3","1") = "6"
    & skf21("6","3","3","5","5","7","4","1") = "6"
    & skf21("6","3","3","5","5","7","5","1") = "6"
    & skf21("6","3","3","5","5","7","6","1") = "6"
    & skf21("6","3","3","5","5","7","7","1") = "6"
    & skf21("6","3","3","5","6","1","1","1") = "5"
    & skf21("6","3","3","5","6","1","2","1") = "5"
    & skf21("6","3","3","5","6","1","3","1") = "5"
    & skf21("6","3","3","5","6","1","4","1") = "5"
    & skf21("6","3","3","5","6","1","5","1") = "5"
    & skf21("6","3","3","5","6","1","6","1") = "5"
    & skf21("6","3","3","5","6","1","7","1") = "6"
    & skf21("6","3","3","5","6","2","1","1") = "5"
    & skf21("6","3","3","5","6","2","2","1") = "5"
    & skf21("6","3","3","5","6","2","3","1") = "5"
    & skf21("6","3","3","5","6","2","4","1") = "5"
    & skf21("6","3","3","5","6","2","5","1") = "5"
    & skf21("6","3","3","5","6","2","6","1") = "5"
    & skf21("6","3","3","5","6","2","7","1") = "6"
    & skf21("6","3","3","5","6","3","1","1") = "5"
    & skf21("6","3","3","5","6","3","2","1") = "5"
    & skf21("6","3","3","5","6","3","3","1") = "5"
    & skf21("6","3","3","5","6","3","4","1") = "5"
    & skf21("6","3","3","5","6","3","5","1") = "5"
    & skf21("6","3","3","5","6","3","6","1") = "5"
    & skf21("6","3","3","5","6","3","7","1") = "6"
    & skf21("6","3","3","5","6","4","1","1") = "5"
    & skf21("6","3","3","5","6","4","2","1") = "5"
    & skf21("6","3","3","5","6","4","3","1") = "5"
    & skf21("6","3","3","5","6","4","4","1") = "5"
    & skf21("6","3","3","5","6","4","5","1") = "5"
    & skf21("6","3","3","5","6","4","6","1") = "5"
    & skf21("6","3","3","5","6","4","7","1") = "6"
    & skf21("6","3","3","5","6","5","1","1") = "5"
    & skf21("6","3","3","5","6","5","2","1") = "5"
    & skf21("6","3","3","5","6","5","3","1") = "5"
    & skf21("6","3","3","5","6","5","4","1") = "5"
    & skf21("6","3","3","5","6","5","5","1") = "5"
    & skf21("6","3","3","5","6","5","6","1") = "5"
    & skf21("6","3","3","5","6","5","7","1") = "6"
    & skf21("6","3","3","5","6","6","1","1") = "5"
    & skf21("6","3","3","5","6","6","2","1") = "5"
    & skf21("6","3","3","5","6","6","3","1") = "5"
    & skf21("6","3","3","5","6","6","4","1") = "5"
    & skf21("6","3","3","5","6","6","5","1") = "5"
    & skf21("6","3","3","5","6","6","6","1") = "5"
    & skf21("6","3","3","5","6","6","7","1") = "6"
    & skf21("6","3","3","5","6","7","1","1") = "6"
    & skf21("6","3","3","5","6","7","2","1") = "6"
    & skf21("6","3","3","5","6","7","3","1") = "6"
    & skf21("6","3","3","5","6","7","4","1") = "6"
    & skf21("6","3","3","5","6","7","5","1") = "6"
    & skf21("6","3","3","5","6","7","6","1") = "6"
    & skf21("6","3","3","5","6","7","7","1") = "6"
    & skf21("6","3","3","5","7","1","1","1") = "6"
    & skf21("6","3","3","5","7","1","2","1") = "6"
    & skf21("6","3","3","5","7","1","3","1") = "6"
    & skf21("6","3","3","5","7","1","4","1") = "6"
    & skf21("6","3","3","5","7","1","5","1") = "6"
    & skf21("6","3","3","5","7","1","6","1") = "6"
    & skf21("6","3","3","5","7","1","7","1") = "6"
    & skf21("6","3","3","5","7","2","1","1") = "6"
    & skf21("6","3","3","5","7","2","2","1") = "6"
    & skf21("6","3","3","5","7","2","3","1") = "6"
    & skf21("6","3","3","5","7","2","4","1") = "6"
    & skf21("6","3","3","5","7","2","5","1") = "6"
    & skf21("6","3","3","5","7","2","6","1") = "6"
    & skf21("6","3","3","5","7","2","7","1") = "6"
    & skf21("6","3","3","5","7","3","1","1") = "6"
    & skf21("6","3","3","5","7","3","2","1") = "6"
    & skf21("6","3","3","5","7","3","3","1") = "6"
    & skf21("6","3","3","5","7","3","4","1") = "6"
    & skf21("6","3","3","5","7","3","5","1") = "6"
    & skf21("6","3","3","5","7","3","6","1") = "6"
    & skf21("6","3","3","5","7","3","7","1") = "6"
    & skf21("6","3","3","5","7","4","1","1") = "6"
    & skf21("6","3","3","5","7","4","2","1") = "6"
    & skf21("6","3","3","5","7","4","3","1") = "6"
    & skf21("6","3","3","5","7","4","4","1") = "6"
    & skf21("6","3","3","5","7","4","5","1") = "6"
    & skf21("6","3","3","5","7","4","6","1") = "6"
    & skf21("6","3","3","5","7","4","7","1") = "6"
    & skf21("6","3","3","5","7","5","1","1") = "6"
    & skf21("6","3","3","5","7","5","2","1") = "6"
    & skf21("6","3","3","5","7","5","3","1") = "6"
    & skf21("6","3","3","5","7","5","4","1") = "6"
    & skf21("6","3","3","5","7","5","5","1") = "6"
    & skf21("6","3","3","5","7","5","6","1") = "6"
    & skf21("6","3","3","5","7","5","7","1") = "6"
    & skf21("6","3","3","5","7","6","1","1") = "6"
    & skf21("6","3","3","5","7","6","2","1") = "6"
    & skf21("6","3","3","5","7","6","3","1") = "6"
    & skf21("6","3","3","5","7","6","4","1") = "6"
    & skf21("6","3","3","5","7","6","5","1") = "6"
    & skf21("6","3","3","5","7","6","6","1") = "6"
    & skf21("6","3","3","5","7","6","7","1") = "6"
    & skf21("6","3","3","5","7","7","1","1") = "6"
    & skf21("6","3","3","5","7","7","2","1") = "6"
    & skf21("6","3","3","5","7","7","3","1") = "6"
    & skf21("6","3","3","5","7","7","4","1") = "6"
    & skf21("6","3","3","5","7","7","5","1") = "6"
    & skf21("6","3","3","5","7","7","6","1") = "6"
    & skf21("6","3","3","5","7","7","7","1") = "6"
    & skf21("6","3","3","6","1","1","1","1") = "5"
    & skf21("6","3","3","6","1","1","2","1") = "5"
    & skf21("6","3","3","6","1","1","3","1") = "5"
    & skf21("6","3","3","6","1","1","4","1") = "5"
    & skf21("6","3","3","6","1","1","5","1") = "5"
    & skf21("6","3","3","6","1","1","6","1") = "5"
    & skf21("6","3","3","6","1","1","7","1") = "6"
    & skf21("6","3","3","6","1","2","1","1") = "5"
    & skf21("6","3","3","6","1","2","2","1") = "5"
    & skf21("6","3","3","6","1","2","3","1") = "5"
    & skf21("6","3","3","6","1","2","4","1") = "5"
    & skf21("6","3","3","6","1","2","5","1") = "5"
    & skf21("6","3","3","6","1","2","6","1") = "5"
    & skf21("6","3","3","6","1","2","7","1") = "6"
    & skf21("6","3","3","6","1","3","1","1") = "5"
    & skf21("6","3","3","6","1","3","2","1") = "5"
    & skf21("6","3","3","6","1","3","3","1") = "5"
    & skf21("6","3","3","6","1","3","4","1") = "5"
    & skf21("6","3","3","6","1","3","5","1") = "5"
    & skf21("6","3","3","6","1","3","6","1") = "5"
    & skf21("6","3","3","6","1","3","7","1") = "6"
    & skf21("6","3","3","6","1","4","1","1") = "5"
    & skf21("6","3","3","6","1","4","2","1") = "5"
    & skf21("6","3","3","6","1","4","3","1") = "5"
    & skf21("6","3","3","6","1","4","4","1") = "5"
    & skf21("6","3","3","6","1","4","5","1") = "5"
    & skf21("6","3","3","6","1","4","6","1") = "5"
    & skf21("6","3","3","6","1","4","7","1") = "6"
    & skf21("6","3","3","6","1","5","1","1") = "5"
    & skf21("6","3","3","6","1","5","2","1") = "5"
    & skf21("6","3","3","6","1","5","3","1") = "5"
    & skf21("6","3","3","6","1","5","4","1") = "5"
    & skf21("6","3","3","6","1","5","5","1") = "5"
    & skf21("6","3","3","6","1","5","6","1") = "5"
    & skf21("6","3","3","6","1","5","7","1") = "6"
    & skf21("6","3","3","6","1","6","1","1") = "5"
    & skf21("6","3","3","6","1","6","2","1") = "5"
    & skf21("6","3","3","6","1","6","3","1") = "5"
    & skf21("6","3","3","6","1","6","4","1") = "5"
    & skf21("6","3","3","6","1","6","5","1") = "5"
    & skf21("6","3","3","6","1","6","6","1") = "5"
    & skf21("6","3","3","6","1","6","7","1") = "6"
    & skf21("6","3","3","6","1","7","1","1") = "6"
    & skf21("6","3","3","6","1","7","2","1") = "6"
    & skf21("6","3","3","6","1","7","3","1") = "6"
    & skf21("6","3","3","6","1","7","4","1") = "6"
    & skf21("6","3","3","6","1","7","5","1") = "6"
    & skf21("6","3","3","6","1","7","6","1") = "6"
    & skf21("6","3","3","6","1","7","7","1") = "6"
    & skf21("6","3","3","6","2","1","1","1") = "5"
    & skf21("6","3","3","6","2","1","2","1") = "5"
    & skf21("6","3","3","6","2","1","3","1") = "5"
    & skf21("6","3","3","6","2","1","4","1") = "5"
    & skf21("6","3","3","6","2","1","5","1") = "5"
    & skf21("6","3","3","6","2","1","6","1") = "5"
    & skf21("6","3","3","6","2","1","7","1") = "6"
    & skf21("6","3","3","6","2","2","1","1") = "5"
    & skf21("6","3","3","6","2","2","2","1") = "5"
    & skf21("6","3","3","6","2","2","3","1") = "5"
    & skf21("6","3","3","6","2","2","4","1") = "5"
    & skf21("6","3","3","6","2","2","5","1") = "5"
    & skf21("6","3","3","6","2","2","6","1") = "5"
    & skf21("6","3","3","6","2","2","7","1") = "6"
    & skf21("6","3","3","6","2","3","1","1") = "5"
    & skf21("6","3","3","6","2","3","2","1") = "5"
    & skf21("6","3","3","6","2","3","3","1") = "5"
    & skf21("6","3","3","6","2","3","4","1") = "5"
    & skf21("6","3","3","6","2","3","5","1") = "5"
    & skf21("6","3","3","6","2","3","6","1") = "5"
    & skf21("6","3","3","6","2","3","7","1") = "6"
    & skf21("6","3","3","6","2","4","1","1") = "5"
    & skf21("6","3","3","6","2","4","2","1") = "5"
    & skf21("6","3","3","6","2","4","3","1") = "5"
    & skf21("6","3","3","6","2","4","4","1") = "5"
    & skf21("6","3","3","6","2","4","5","1") = "5"
    & skf21("6","3","3","6","2","4","6","1") = "5"
    & skf21("6","3","3","6","2","4","7","1") = "6"
    & skf21("6","3","3","6","2","5","1","1") = "5"
    & skf21("6","3","3","6","2","5","2","1") = "5"
    & skf21("6","3","3","6","2","5","3","1") = "5"
    & skf21("6","3","3","6","2","5","4","1") = "5"
    & skf21("6","3","3","6","2","5","5","1") = "5"
    & skf21("6","3","3","6","2","5","6","1") = "5"
    & skf21("6","3","3","6","2","5","7","1") = "6"
    & skf21("6","3","3","6","2","6","1","1") = "5"
    & skf21("6","3","3","6","2","6","2","1") = "5"
    & skf21("6","3","3","6","2","6","3","1") = "5"
    & skf21("6","3","3","6","2","6","4","1") = "5"
    & skf21("6","3","3","6","2","6","5","1") = "5"
    & skf21("6","3","3","6","2","6","6","1") = "5"
    & skf21("6","3","3","6","2","6","7","1") = "6"
    & skf21("6","3","3","6","2","7","1","1") = "6"
    & skf21("6","3","3","6","2","7","2","1") = "6"
    & skf21("6","3","3","6","2","7","3","1") = "6"
    & skf21("6","3","3","6","2","7","4","1") = "6"
    & skf21("6","3","3","6","2","7","5","1") = "6"
    & skf21("6","3","3","6","2","7","6","1") = "6"
    & skf21("6","3","3","6","2","7","7","1") = "6"
    & skf21("6","3","3","6","3","1","1","1") = "5"
    & skf21("6","3","3","6","3","1","2","1") = "5"
    & skf21("6","3","3","6","3","1","3","1") = "5"
    & skf21("6","3","3","6","3","1","4","1") = "5"
    & skf21("6","3","3","6","3","1","5","1") = "5"
    & skf21("6","3","3","6","3","1","6","1") = "5"
    & skf21("6","3","3","6","3","1","7","1") = "6"
    & skf21("6","3","3","6","3","2","1","1") = "5"
    & skf21("6","3","3","6","3","2","2","1") = "5"
    & skf21("6","3","3","6","3","2","3","1") = "5"
    & skf21("6","3","3","6","3","2","4","1") = "5"
    & skf21("6","3","3","6","3","2","5","1") = "5"
    & skf21("6","3","3","6","3","2","6","1") = "5"
    & skf21("6","3","3","6","3","2","7","1") = "6"
    & skf21("6","3","3","6","3","3","1","1") = "5"
    & skf21("6","3","3","6","3","3","2","1") = "5"
    & skf21("6","3","3","6","3","3","3","1") = "5"
    & skf21("6","3","3","6","3","3","4","1") = "5"
    & skf21("6","3","3","6","3","3","5","1") = "5"
    & skf21("6","3","3","6","3","3","6","1") = "5"
    & skf21("6","3","3","6","3","3","7","1") = "6"
    & skf21("6","3","3","6","3","4","1","1") = "5"
    & skf21("6","3","3","6","3","4","2","1") = "5"
    & skf21("6","3","3","6","3","4","3","1") = "5"
    & skf21("6","3","3","6","3","4","4","1") = "5"
    & skf21("6","3","3","6","3","4","5","1") = "5"
    & skf21("6","3","3","6","3","4","6","1") = "5"
    & skf21("6","3","3","6","3","4","7","1") = "6"
    & skf21("6","3","3","6","3","5","1","1") = "5"
    & skf21("6","3","3","6","3","5","2","1") = "5"
    & skf21("6","3","3","6","3","5","3","1") = "5"
    & skf21("6","3","3","6","3","5","4","1") = "5"
    & skf21("6","3","3","6","3","5","5","1") = "5"
    & skf21("6","3","3","6","3","5","6","1") = "5"
    & skf21("6","3","3","6","3","5","7","1") = "6"
    & skf21("6","3","3","6","3","6","1","1") = "5"
    & skf21("6","3","3","6","3","6","2","1") = "5"
    & skf21("6","3","3","6","3","6","3","1") = "5"
    & skf21("6","3","3","6","3","6","4","1") = "5"
    & skf21("6","3","3","6","3","6","5","1") = "5"
    & skf21("6","3","3","6","3","6","6","1") = "5"
    & skf21("6","3","3","6","3","6","7","1") = "6"
    & skf21("6","3","3","6","3","7","1","1") = "6"
    & skf21("6","3","3","6","3","7","2","1") = "6"
    & skf21("6","3","3","6","3","7","3","1") = "6"
    & skf21("6","3","3","6","3","7","4","1") = "6"
    & skf21("6","3","3","6","3","7","5","1") = "6"
    & skf21("6","3","3","6","3","7","6","1") = "6"
    & skf21("6","3","3","6","3","7","7","1") = "6"
    & skf21("6","3","3","6","4","1","1","1") = "5"
    & skf21("6","3","3","6","4","1","2","1") = "5"
    & skf21("6","3","3","6","4","1","3","1") = "5"
    & skf21("6","3","3","6","4","1","4","1") = "5"
    & skf21("6","3","3","6","4","1","5","1") = "5"
    & skf21("6","3","3","6","4","1","6","1") = "5"
    & skf21("6","3","3","6","4","1","7","1") = "6"
    & skf21("6","3","3","6","4","2","1","1") = "5"
    & skf21("6","3","3","6","4","2","2","1") = "5"
    & skf21("6","3","3","6","4","2","3","1") = "5"
    & skf21("6","3","3","6","4","2","4","1") = "5"
    & skf21("6","3","3","6","4","2","5","1") = "5"
    & skf21("6","3","3","6","4","2","6","1") = "5"
    & skf21("6","3","3","6","4","2","7","1") = "6"
    & skf21("6","3","3","6","4","3","1","1") = "5"
    & skf21("6","3","3","6","4","3","2","1") = "5"
    & skf21("6","3","3","6","4","3","3","1") = "5"
    & skf21("6","3","3","6","4","3","4","1") = "5"
    & skf21("6","3","3","6","4","3","5","1") = "5"
    & skf21("6","3","3","6","4","3","6","1") = "5"
    & skf21("6","3","3","6","4","3","7","1") = "6"
    & skf21("6","3","3","6","4","4","1","1") = "5"
    & skf21("6","3","3","6","4","4","2","1") = "5"
    & skf21("6","3","3","6","4","4","3","1") = "5"
    & skf21("6","3","3","6","4","4","4","1") = "5"
    & skf21("6","3","3","6","4","4","5","1") = "5"
    & skf21("6","3","3","6","4","4","6","1") = "5"
    & skf21("6","3","3","6","4","4","7","1") = "6"
    & skf21("6","3","3","6","4","5","1","1") = "5"
    & skf21("6","3","3","6","4","5","2","1") = "5"
    & skf21("6","3","3","6","4","5","3","1") = "5"
    & skf21("6","3","3","6","4","5","4","1") = "5"
    & skf21("6","3","3","6","4","5","5","1") = "5"
    & skf21("6","3","3","6","4","5","6","1") = "5"
    & skf21("6","3","3","6","4","5","7","1") = "6"
    & skf21("6","3","3","6","4","6","1","1") = "5"
    & skf21("6","3","3","6","4","6","2","1") = "5"
    & skf21("6","3","3","6","4","6","3","1") = "5"
    & skf21("6","3","3","6","4","6","4","1") = "5"
    & skf21("6","3","3","6","4","6","5","1") = "5"
    & skf21("6","3","3","6","4","6","6","1") = "5"
    & skf21("6","3","3","6","4","6","7","1") = "6"
    & skf21("6","3","3","6","4","7","1","1") = "6"
    & skf21("6","3","3","6","4","7","2","1") = "6"
    & skf21("6","3","3","6","4","7","3","1") = "6"
    & skf21("6","3","3","6","4","7","4","1") = "6"
    & skf21("6","3","3","6","4","7","5","1") = "6"
    & skf21("6","3","3","6","4","7","6","1") = "6"
    & skf21("6","3","3","6","4","7","7","1") = "6"
    & skf21("6","3","3","6","5","1","1","1") = "5"
    & skf21("6","3","3","6","5","1","2","1") = "5"
    & skf21("6","3","3","6","5","1","3","1") = "5"
    & skf21("6","3","3","6","5","1","4","1") = "5"
    & skf21("6","3","3","6","5","1","5","1") = "5"
    & skf21("6","3","3","6","5","1","6","1") = "5"
    & skf21("6","3","3","6","5","1","7","1") = "6"
    & skf21("6","3","3","6","5","2","1","1") = "5"
    & skf21("6","3","3","6","5","2","2","1") = "5"
    & skf21("6","3","3","6","5","2","3","1") = "5"
    & skf21("6","3","3","6","5","2","4","1") = "5"
    & skf21("6","3","3","6","5","2","5","1") = "5"
    & skf21("6","3","3","6","5","2","6","1") = "5"
    & skf21("6","3","3","6","5","2","7","1") = "6"
    & skf21("6","3","3","6","5","3","1","1") = "5"
    & skf21("6","3","3","6","5","3","2","1") = "5"
    & skf21("6","3","3","6","5","3","3","1") = "5"
    & skf21("6","3","3","6","5","3","4","1") = "5"
    & skf21("6","3","3","6","5","3","5","1") = "5"
    & skf21("6","3","3","6","5","3","6","1") = "5"
    & skf21("6","3","3","6","5","3","7","1") = "6"
    & skf21("6","3","3","6","5","4","1","1") = "5"
    & skf21("6","3","3","6","5","4","2","1") = "5"
    & skf21("6","3","3","6","5","4","3","1") = "5"
    & skf21("6","3","3","6","5","4","4","1") = "5"
    & skf21("6","3","3","6","5","4","5","1") = "5"
    & skf21("6","3","3","6","5","4","6","1") = "5"
    & skf21("6","3","3","6","5","4","7","1") = "6"
    & skf21("6","3","3","6","5","5","1","1") = "5"
    & skf21("6","3","3","6","5","5","2","1") = "5"
    & skf21("6","3","3","6","5","5","3","1") = "5"
    & skf21("6","3","3","6","5","5","4","1") = "5"
    & skf21("6","3","3","6","5","5","5","1") = "5"
    & skf21("6","3","3","6","5","5","6","1") = "5"
    & skf21("6","3","3","6","5","5","7","1") = "6"
    & skf21("6","3","3","6","5","6","1","1") = "5"
    & skf21("6","3","3","6","5","6","2","1") = "5"
    & skf21("6","3","3","6","5","6","3","1") = "5"
    & skf21("6","3","3","6","5","6","4","1") = "5"
    & skf21("6","3","3","6","5","6","5","1") = "5"
    & skf21("6","3","3","6","5","6","6","1") = "5"
    & skf21("6","3","3","6","5","6","7","1") = "6"
    & skf21("6","3","3","6","5","7","1","1") = "6"
    & skf21("6","3","3","6","5","7","2","1") = "6"
    & skf21("6","3","3","6","5","7","3","1") = "6"
    & skf21("6","3","3","6","5","7","4","1") = "6"
    & skf21("6","3","3","6","5","7","5","1") = "6"
    & skf21("6","3","3","6","5","7","6","1") = "6"
    & skf21("6","3","3","6","5","7","7","1") = "6"
    & skf21("6","3","3","6","6","1","1","1") = "5"
    & skf21("6","3","3","6","6","1","2","1") = "5"
    & skf21("6","3","3","6","6","1","3","1") = "5"
    & skf21("6","3","3","6","6","1","4","1") = "5"
    & skf21("6","3","3","6","6","1","5","1") = "5"
    & skf21("6","3","3","6","6","1","6","1") = "5"
    & skf21("6","3","3","6","6","1","7","1") = "6"
    & skf21("6","3","3","6","6","2","1","1") = "5"
    & skf21("6","3","3","6","6","2","2","1") = "5"
    & skf21("6","3","3","6","6","2","3","1") = "5"
    & skf21("6","3","3","6","6","2","4","1") = "5"
    & skf21("6","3","3","6","6","2","5","1") = "5"
    & skf21("6","3","3","6","6","2","6","1") = "5"
    & skf21("6","3","3","6","6","2","7","1") = "6"
    & skf21("6","3","3","6","6","3","1","1") = "5"
    & skf21("6","3","3","6","6","3","2","1") = "5"
    & skf21("6","3","3","6","6","3","3","1") = "5"
    & skf21("6","3","3","6","6","3","4","1") = "5"
    & skf21("6","3","3","6","6","3","5","1") = "5"
    & skf21("6","3","3","6","6","3","6","1") = "5"
    & skf21("6","3","3","6","6","3","7","1") = "6"
    & skf21("6","3","3","6","6","4","1","1") = "5"
    & skf21("6","3","3","6","6","4","2","1") = "5"
    & skf21("6","3","3","6","6","4","3","1") = "5"
    & skf21("6","3","3","6","6","4","4","1") = "5"
    & skf21("6","3","3","6","6","4","5","1") = "5"
    & skf21("6","3","3","6","6","4","6","1") = "5"
    & skf21("6","3","3","6","6","4","7","1") = "6"
    & skf21("6","3","3","6","6","5","1","1") = "5"
    & skf21("6","3","3","6","6","5","2","1") = "5"
    & skf21("6","3","3","6","6","5","3","1") = "5"
    & skf21("6","3","3","6","6","5","4","1") = "5"
    & skf21("6","3","3","6","6","5","5","1") = "5"
    & skf21("6","3","3","6","6","5","6","1") = "5"
    & skf21("6","3","3","6","6","5","7","1") = "6"
    & skf21("6","3","3","6","6","6","1","1") = "5"
    & skf21("6","3","3","6","6","6","2","1") = "5"
    & skf21("6","3","3","6","6","6","3","1") = "5"
    & skf21("6","3","3","6","6","6","4","1") = "5"
    & skf21("6","3","3","6","6","6","5","1") = "5"
    & skf21("6","3","3","6","6","6","6","1") = "5"
    & skf21("6","3","3","6","6","6","7","1") = "6"
    & skf21("6","3","3","6","6","7","1","1") = "6"
    & skf21("6","3","3","6","6","7","2","1") = "6"
    & skf21("6","3","3","6","6","7","3","1") = "6"
    & skf21("6","3","3","6","6","7","4","1") = "6"
    & skf21("6","3","3","6","6","7","5","1") = "6"
    & skf21("6","3","3","6","6","7","6","1") = "6"
    & skf21("6","3","3","6","6","7","7","1") = "6"
    & skf21("6","3","3","6","7","1","1","1") = "6"
    & skf21("6","3","3","6","7","1","2","1") = "6"
    & skf21("6","3","3","6","7","1","3","1") = "6"
    & skf21("6","3","3","6","7","1","4","1") = "6"
    & skf21("6","3","3","6","7","1","5","1") = "6"
    & skf21("6","3","3","6","7","1","6","1") = "6"
    & skf21("6","3","3","6","7","1","7","1") = "6"
    & skf21("6","3","3","6","7","2","1","1") = "6"
    & skf21("6","3","3","6","7","2","2","1") = "6"
    & skf21("6","3","3","6","7","2","3","1") = "6"
    & skf21("6","3","3","6","7","2","4","1") = "6"
    & skf21("6","3","3","6","7","2","5","1") = "6"
    & skf21("6","3","3","6","7","2","6","1") = "6"
    & skf21("6","3","3","6","7","2","7","1") = "6"
    & skf21("6","3","3","6","7","3","1","1") = "6"
    & skf21("6","3","3","6","7","3","2","1") = "6"
    & skf21("6","3","3","6","7","3","3","1") = "6"
    & skf21("6","3","3","6","7","3","4","1") = "6"
    & skf21("6","3","3","6","7","3","5","1") = "6"
    & skf21("6","3","3","6","7","3","6","1") = "6"
    & skf21("6","3","3","6","7","3","7","1") = "6"
    & skf21("6","3","3","6","7","4","1","1") = "6"
    & skf21("6","3","3","6","7","4","2","1") = "6"
    & skf21("6","3","3","6","7","4","3","1") = "6"
    & skf21("6","3","3","6","7","4","4","1") = "6"
    & skf21("6","3","3","6","7","4","5","1") = "6"
    & skf21("6","3","3","6","7","4","6","1") = "6"
    & skf21("6","3","3","6","7","4","7","1") = "6"
    & skf21("6","3","3","6","7","5","1","1") = "6"
    & skf21("6","3","3","6","7","5","2","1") = "6"
    & skf21("6","3","3","6","7","5","3","1") = "6"
    & skf21("6","3","3","6","7","5","4","1") = "6"
    & skf21("6","3","3","6","7","5","5","1") = "6"
    & skf21("6","3","3","6","7","5","6","1") = "6"
    & skf21("6","3","3","6","7","5","7","1") = "6"
    & skf21("6","3","3","6","7","6","1","1") = "6"
    & skf21("6","3","3","6","7","6","2","1") = "6"
    & skf21("6","3","3","6","7","6","3","1") = "6"
    & skf21("6","3","3","6","7","6","4","1") = "6"
    & skf21("6","3","3","6","7","6","5","1") = "6"
    & skf21("6","3","3","6","7","6","6","1") = "6"
    & skf21("6","3","3","6","7","6","7","1") = "6"
    & skf21("6","3","3","6","7","7","1","1") = "6"
    & skf21("6","3","3","6","7","7","2","1") = "6"
    & skf21("6","3","3","6","7","7","3","1") = "6"
    & skf21("6","3","3","6","7","7","4","1") = "6"
    & skf21("6","3","3","6","7","7","5","1") = "6"
    & skf21("6","3","3","6","7","7","6","1") = "6"
    & skf21("6","3","3","6","7","7","7","1") = "6"
    & skf21("6","3","3","7","1","1","1","1") = "6"
    & skf21("6","3","3","7","1","1","2","1") = "6"
    & skf21("6","3","3","7","1","1","3","1") = "6"
    & skf21("6","3","3","7","1","1","4","1") = "6"
    & skf21("6","3","3","7","1","1","5","1") = "6"
    & skf21("6","3","3","7","1","1","6","1") = "6"
    & skf21("6","3","3","7","1","1","7","1") = "6"
    & skf21("6","3","3","7","1","2","1","1") = "6"
    & skf21("6","3","3","7","1","2","2","1") = "6"
    & skf21("6","3","3","7","1","2","3","1") = "6"
    & skf21("6","3","3","7","1","2","4","1") = "6"
    & skf21("6","3","3","7","1","2","5","1") = "6"
    & skf21("6","3","3","7","1","2","6","1") = "6"
    & skf21("6","3","3","7","1","2","7","1") = "6"
    & skf21("6","3","3","7","1","3","1","1") = "6"
    & skf21("6","3","3","7","1","3","2","1") = "6"
    & skf21("6","3","3","7","1","3","3","1") = "6"
    & skf21("6","3","3","7","1","3","4","1") = "6"
    & skf21("6","3","3","7","1","3","5","1") = "6"
    & skf21("6","3","3","7","1","3","6","1") = "6"
    & skf21("6","3","3","7","1","3","7","1") = "6"
    & skf21("6","3","3","7","1","4","1","1") = "6"
    & skf21("6","3","3","7","1","4","2","1") = "6"
    & skf21("6","3","3","7","1","4","3","1") = "6"
    & skf21("6","3","3","7","1","4","4","1") = "6"
    & skf21("6","3","3","7","1","4","5","1") = "6"
    & skf21("6","3","3","7","1","4","6","1") = "6"
    & skf21("6","3","3","7","1","4","7","1") = "6"
    & skf21("6","3","3","7","1","5","1","1") = "6"
    & skf21("6","3","3","7","1","5","2","1") = "6"
    & skf21("6","3","3","7","1","5","3","1") = "6"
    & skf21("6","3","3","7","1","5","4","1") = "6"
    & skf21("6","3","3","7","1","5","5","1") = "6"
    & skf21("6","3","3","7","1","5","6","1") = "6"
    & skf21("6","3","3","7","1","5","7","1") = "6"
    & skf21("6","3","3","7","1","6","1","1") = "6"
    & skf21("6","3","3","7","1","6","2","1") = "6"
    & skf21("6","3","3","7","1","6","3","1") = "6"
    & skf21("6","3","3","7","1","6","4","1") = "6"
    & skf21("6","3","3","7","1","6","5","1") = "6"
    & skf21("6","3","3","7","1","6","6","1") = "6"
    & skf21("6","3","3","7","1","6","7","1") = "6"
    & skf21("6","3","3","7","1","7","1","1") = "6"
    & skf21("6","3","3","7","1","7","2","1") = "6"
    & skf21("6","3","3","7","1","7","3","1") = "6"
    & skf21("6","3","3","7","1","7","4","1") = "6"
    & skf21("6","3","3","7","1","7","5","1") = "6"
    & skf21("6","3","3","7","1","7","6","1") = "6"
    & skf21("6","3","3","7","1","7","7","1") = "6"
    & skf21("6","3","3","7","2","1","1","1") = "6"
    & skf21("6","3","3","7","2","1","2","1") = "6"
    & skf21("6","3","3","7","2","1","3","1") = "6"
    & skf21("6","3","3","7","2","1","4","1") = "6"
    & skf21("6","3","3","7","2","1","5","1") = "6"
    & skf21("6","3","3","7","2","1","6","1") = "6"
    & skf21("6","3","3","7","2","1","7","1") = "6"
    & skf21("6","3","3","7","2","2","1","1") = "6"
    & skf21("6","3","3","7","2","2","2","1") = "6"
    & skf21("6","3","3","7","2","2","3","1") = "6"
    & skf21("6","3","3","7","2","2","4","1") = "6"
    & skf21("6","3","3","7","2","2","5","1") = "6"
    & skf21("6","3","3","7","2","2","6","1") = "6"
    & skf21("6","3","3","7","2","2","7","1") = "6"
    & skf21("6","3","3","7","2","3","1","1") = "6"
    & skf21("6","3","3","7","2","3","2","1") = "6"
    & skf21("6","3","3","7","2","3","3","1") = "6"
    & skf21("6","3","3","7","2","3","4","1") = "6"
    & skf21("6","3","3","7","2","3","5","1") = "6"
    & skf21("6","3","3","7","2","3","6","1") = "6"
    & skf21("6","3","3","7","2","3","7","1") = "6"
    & skf21("6","3","3","7","2","4","1","1") = "6"
    & skf21("6","3","3","7","2","4","2","1") = "6"
    & skf21("6","3","3","7","2","4","3","1") = "6"
    & skf21("6","3","3","7","2","4","4","1") = "6"
    & skf21("6","3","3","7","2","4","5","1") = "6"
    & skf21("6","3","3","7","2","4","6","1") = "6"
    & skf21("6","3","3","7","2","4","7","1") = "6"
    & skf21("6","3","3","7","2","5","1","1") = "6"
    & skf21("6","3","3","7","2","5","2","1") = "6"
    & skf21("6","3","3","7","2","5","3","1") = "6"
    & skf21("6","3","3","7","2","5","4","1") = "6"
    & skf21("6","3","3","7","2","5","5","1") = "6"
    & skf21("6","3","3","7","2","5","6","1") = "6"
    & skf21("6","3","3","7","2","5","7","1") = "6"
    & skf21("6","3","3","7","2","6","1","1") = "6"
    & skf21("6","3","3","7","2","6","2","1") = "6"
    & skf21("6","3","3","7","2","6","3","1") = "6"
    & skf21("6","3","3","7","2","6","4","1") = "6"
    & skf21("6","3","3","7","2","6","5","1") = "6"
    & skf21("6","3","3","7","2","6","6","1") = "6"
    & skf21("6","3","3","7","2","6","7","1") = "6"
    & skf21("6","3","3","7","2","7","1","1") = "6"
    & skf21("6","3","3","7","2","7","2","1") = "6"
    & skf21("6","3","3","7","2","7","3","1") = "6"
    & skf21("6","3","3","7","2","7","4","1") = "6"
    & skf21("6","3","3","7","2","7","5","1") = "6"
    & skf21("6","3","3","7","2","7","6","1") = "6"
    & skf21("6","3","3","7","2","7","7","1") = "6"
    & skf21("6","3","3","7","3","1","1","1") = "6"
    & skf21("6","3","3","7","3","1","2","1") = "6"
    & skf21("6","3","3","7","3","1","3","1") = "6"
    & skf21("6","3","3","7","3","1","4","1") = "6"
    & skf21("6","3","3","7","3","1","5","1") = "6"
    & skf21("6","3","3","7","3","1","6","1") = "6"
    & skf21("6","3","3","7","3","1","7","1") = "6"
    & skf21("6","3","3","7","3","2","1","1") = "6"
    & skf21("6","3","3","7","3","2","2","1") = "6"
    & skf21("6","3","3","7","3","2","3","1") = "6"
    & skf21("6","3","3","7","3","2","4","1") = "6"
    & skf21("6","3","3","7","3","2","5","1") = "6"
    & skf21("6","3","3","7","3","2","6","1") = "6"
    & skf21("6","3","3","7","3","2","7","1") = "6"
    & skf21("6","3","3","7","3","3","1","1") = "6"
    & skf21("6","3","3","7","3","3","2","1") = "6"
    & skf21("6","3","3","7","3","3","3","1") = "6"
    & skf21("6","3","3","7","3","3","4","1") = "6"
    & skf21("6","3","3","7","3","3","5","1") = "6"
    & skf21("6","3","3","7","3","3","6","1") = "6"
    & skf21("6","3","3","7","3","3","7","1") = "6"
    & skf21("6","3","3","7","3","4","1","1") = "6"
    & skf21("6","3","3","7","3","4","2","1") = "6"
    & skf21("6","3","3","7","3","4","3","1") = "6"
    & skf21("6","3","3","7","3","4","4","1") = "6"
    & skf21("6","3","3","7","3","4","5","1") = "6"
    & skf21("6","3","3","7","3","4","6","1") = "6"
    & skf21("6","3","3","7","3","4","7","1") = "6"
    & skf21("6","3","3","7","3","5","1","1") = "6"
    & skf21("6","3","3","7","3","5","2","1") = "6"
    & skf21("6","3","3","7","3","5","3","1") = "6"
    & skf21("6","3","3","7","3","5","4","1") = "6"
    & skf21("6","3","3","7","3","5","5","1") = "6"
    & skf21("6","3","3","7","3","5","6","1") = "6"
    & skf21("6","3","3","7","3","5","7","1") = "6"
    & skf21("6","3","3","7","3","6","1","1") = "6"
    & skf21("6","3","3","7","3","6","2","1") = "6"
    & skf21("6","3","3","7","3","6","3","1") = "6"
    & skf21("6","3","3","7","3","6","4","1") = "6"
    & skf21("6","3","3","7","3","6","5","1") = "6"
    & skf21("6","3","3","7","3","6","6","1") = "6"
    & skf21("6","3","3","7","3","6","7","1") = "6"
    & skf21("6","3","3","7","3","7","1","1") = "6"
    & skf21("6","3","3","7","3","7","2","1") = "6"
    & skf21("6","3","3","7","3","7","3","1") = "6"
    & skf21("6","3","3","7","3","7","4","1") = "6"
    & skf21("6","3","3","7","3","7","5","1") = "6"
    & skf21("6","3","3","7","3","7","6","1") = "6"
    & skf21("6","3","3","7","3","7","7","1") = "6"
    & skf21("6","3","3","7","4","1","1","1") = "6"
    & skf21("6","3","3","7","4","1","2","1") = "6"
    & skf21("6","3","3","7","4","1","3","1") = "6"
    & skf21("6","3","3","7","4","1","4","1") = "6"
    & skf21("6","3","3","7","4","1","5","1") = "6"
    & skf21("6","3","3","7","4","1","6","1") = "6"
    & skf21("6","3","3","7","4","1","7","1") = "6"
    & skf21("6","3","3","7","4","2","1","1") = "6"
    & skf21("6","3","3","7","4","2","2","1") = "6"
    & skf21("6","3","3","7","4","2","3","1") = "6"
    & skf21("6","3","3","7","4","2","4","1") = "6"
    & skf21("6","3","3","7","4","2","5","1") = "6"
    & skf21("6","3","3","7","4","2","6","1") = "6"
    & skf21("6","3","3","7","4","2","7","1") = "6"
    & skf21("6","3","3","7","4","3","1","1") = "6"
    & skf21("6","3","3","7","4","3","2","1") = "6"
    & skf21("6","3","3","7","4","3","3","1") = "6"
    & skf21("6","3","3","7","4","3","4","1") = "6"
    & skf21("6","3","3","7","4","3","5","1") = "6"
    & skf21("6","3","3","7","4","3","6","1") = "6"
    & skf21("6","3","3","7","4","3","7","1") = "6"
    & skf21("6","3","3","7","4","4","1","1") = "6"
    & skf21("6","3","3","7","4","4","2","1") = "6"
    & skf21("6","3","3","7","4","4","3","1") = "6"
    & skf21("6","3","3","7","4","4","4","1") = "6"
    & skf21("6","3","3","7","4","4","5","1") = "6"
    & skf21("6","3","3","7","4","4","6","1") = "6"
    & skf21("6","3","3","7","4","4","7","1") = "6"
    & skf21("6","3","3","7","4","5","1","1") = "6"
    & skf21("6","3","3","7","4","5","2","1") = "6"
    & skf21("6","3","3","7","4","5","3","1") = "6"
    & skf21("6","3","3","7","4","5","4","1") = "6"
    & skf21("6","3","3","7","4","5","5","1") = "6"
    & skf21("6","3","3","7","4","5","6","1") = "6"
    & skf21("6","3","3","7","4","5","7","1") = "6"
    & skf21("6","3","3","7","4","6","1","1") = "6"
    & skf21("6","3","3","7","4","6","2","1") = "6"
    & skf21("6","3","3","7","4","6","3","1") = "6"
    & skf21("6","3","3","7","4","6","4","1") = "6"
    & skf21("6","3","3","7","4","6","5","1") = "6"
    & skf21("6","3","3","7","4","6","6","1") = "6"
    & skf21("6","3","3","7","4","6","7","1") = "6"
    & skf21("6","3","3","7","4","7","1","1") = "6"
    & skf21("6","3","3","7","4","7","2","1") = "6"
    & skf21("6","3","3","7","4","7","3","1") = "6"
    & skf21("6","3","3","7","4","7","4","1") = "6"
    & skf21("6","3","3","7","4","7","5","1") = "6"
    & skf21("6","3","3","7","4","7","6","1") = "6"
    & skf21("6","3","3","7","4","7","7","1") = "6"
    & skf21("6","3","3","7","5","1","1","1") = "6"
    & skf21("6","3","3","7","5","1","2","1") = "6"
    & skf21("6","3","3","7","5","1","3","1") = "6"
    & skf21("6","3","3","7","5","1","4","1") = "6"
    & skf21("6","3","3","7","5","1","5","1") = "6"
    & skf21("6","3","3","7","5","1","6","1") = "6"
    & skf21("6","3","3","7","5","1","7","1") = "6"
    & skf21("6","3","3","7","5","2","1","1") = "6"
    & skf21("6","3","3","7","5","2","2","1") = "6"
    & skf21("6","3","3","7","5","2","3","1") = "6"
    & skf21("6","3","3","7","5","2","4","1") = "6"
    & skf21("6","3","3","7","5","2","5","1") = "6"
    & skf21("6","3","3","7","5","2","6","1") = "6"
    & skf21("6","3","3","7","5","2","7","1") = "6"
    & skf21("6","3","3","7","5","3","1","1") = "6"
    & skf21("6","3","3","7","5","3","2","1") = "6"
    & skf21("6","3","3","7","5","3","3","1") = "6"
    & skf21("6","3","3","7","5","3","4","1") = "6"
    & skf21("6","3","3","7","5","3","5","1") = "6"
    & skf21("6","3","3","7","5","3","6","1") = "6"
    & skf21("6","3","3","7","5","3","7","1") = "6"
    & skf21("6","3","3","7","5","4","1","1") = "6"
    & skf21("6","3","3","7","5","4","2","1") = "6"
    & skf21("6","3","3","7","5","4","3","1") = "6"
    & skf21("6","3","3","7","5","4","4","1") = "6"
    & skf21("6","3","3","7","5","4","5","1") = "6"
    & skf21("6","3","3","7","5","4","6","1") = "6"
    & skf21("6","3","3","7","5","4","7","1") = "6"
    & skf21("6","3","3","7","5","5","1","1") = "6"
    & skf21("6","3","3","7","5","5","2","1") = "6"
    & skf21("6","3","3","7","5","5","3","1") = "6"
    & skf21("6","3","3","7","5","5","4","1") = "6"
    & skf21("6","3","3","7","5","5","5","1") = "6"
    & skf21("6","3","3","7","5","5","6","1") = "6"
    & skf21("6","3","3","7","5","5","7","1") = "6"
    & skf21("6","3","3","7","5","6","1","1") = "6"
    & skf21("6","3","3","7","5","6","2","1") = "6"
    & skf21("6","3","3","7","5","6","3","1") = "6"
    & skf21("6","3","3","7","5","6","4","1") = "6"
    & skf21("6","3","3","7","5","6","5","1") = "6"
    & skf21("6","3","3","7","5","6","6","1") = "6"
    & skf21("6","3","3","7","5","6","7","1") = "6"
    & skf21("6","3","3","7","5","7","1","1") = "6"
    & skf21("6","3","3","7","5","7","2","1") = "6"
    & skf21("6","3","3","7","5","7","3","1") = "6"
    & skf21("6","3","3","7","5","7","4","1") = "6"
    & skf21("6","3","3","7","5","7","5","1") = "6"
    & skf21("6","3","3","7","5","7","6","1") = "6"
    & skf21("6","3","3","7","5","7","7","1") = "6"
    & skf21("6","3","3","7","6","1","1","1") = "6"
    & skf21("6","3","3","7","6","1","2","1") = "6"
    & skf21("6","3","3","7","6","1","3","1") = "6"
    & skf21("6","3","3","7","6","1","4","1") = "6"
    & skf21("6","3","3","7","6","1","5","1") = "6"
    & skf21("6","3","3","7","6","1","6","1") = "6"
    & skf21("6","3","3","7","6","1","7","1") = "6"
    & skf21("6","3","3","7","6","2","1","1") = "6"
    & skf21("6","3","3","7","6","2","2","1") = "6"
    & skf21("6","3","3","7","6","2","3","1") = "6"
    & skf21("6","3","3","7","6","2","4","1") = "6"
    & skf21("6","3","3","7","6","2","5","1") = "6"
    & skf21("6","3","3","7","6","2","6","1") = "6"
    & skf21("6","3","3","7","6","2","7","1") = "6"
    & skf21("6","3","3","7","6","3","1","1") = "6"
    & skf21("6","3","3","7","6","3","2","1") = "6"
    & skf21("6","3","3","7","6","3","3","1") = "6"
    & skf21("6","3","3","7","6","3","4","1") = "6"
    & skf21("6","3","3","7","6","3","5","1") = "6"
    & skf21("6","3","3","7","6","3","6","1") = "6"
    & skf21("6","3","3","7","6","3","7","1") = "6"
    & skf21("6","3","3","7","6","4","1","1") = "6"
    & skf21("6","3","3","7","6","4","2","1") = "6"
    & skf21("6","3","3","7","6","4","3","1") = "6"
    & skf21("6","3","3","7","6","4","4","1") = "6"
    & skf21("6","3","3","7","6","4","5","1") = "6"
    & skf21("6","3","3","7","6","4","6","1") = "6"
    & skf21("6","3","3","7","6","4","7","1") = "6"
    & skf21("6","3","3","7","6","5","1","1") = "6"
    & skf21("6","3","3","7","6","5","2","1") = "6"
    & skf21("6","3","3","7","6","5","3","1") = "6"
    & skf21("6","3","3","7","6","5","4","1") = "6"
    & skf21("6","3","3","7","6","5","5","1") = "6"
    & skf21("6","3","3","7","6","5","6","1") = "6"
    & skf21("6","3","3","7","6","5","7","1") = "6"
    & skf21("6","3","3","7","6","6","1","1") = "6"
    & skf21("6","3","3","7","6","6","2","1") = "6"
    & skf21("6","3","3","7","6","6","3","1") = "6"
    & skf21("6","3","3","7","6","6","4","1") = "6"
    & skf21("6","3","3","7","6","6","5","1") = "6"
    & skf21("6","3","3","7","6","6","6","1") = "6"
    & skf21("6","3","3","7","6","6","7","1") = "6"
    & skf21("6","3","3","7","6","7","1","1") = "6"
    & skf21("6","3","3","7","6","7","2","1") = "6"
    & skf21("6","3","3","7","6","7","3","1") = "6"
    & skf21("6","3","3","7","6","7","4","1") = "6"
    & skf21("6","3","3","7","6","7","5","1") = "6"
    & skf21("6","3","3","7","6","7","6","1") = "6"
    & skf21("6","3","3","7","6","7","7","1") = "6"
    & skf21("6","3","3","7","7","1","1","1") = "6"
    & skf21("6","3","3","7","7","1","2","1") = "6"
    & skf21("6","3","3","7","7","1","3","1") = "6"
    & skf21("6","3","3","7","7","1","4","1") = "6"
    & skf21("6","3","3","7","7","1","5","1") = "6"
    & skf21("6","3","3","7","7","1","6","1") = "6"
    & skf21("6","3","3","7","7","1","7","1") = "6"
    & skf21("6","3","3","7","7","2","1","1") = "6"
    & skf21("6","3","3","7","7","2","2","1") = "6"
    & skf21("6","3","3","7","7","2","3","1") = "6"
    & skf21("6","3","3","7","7","2","4","1") = "6"
    & skf21("6","3","3","7","7","2","5","1") = "6"
    & skf21("6","3","3","7","7","2","6","1") = "6"
    & skf21("6","3","3","7","7","2","7","1") = "6"
    & skf21("6","3","3","7","7","3","1","1") = "6"
    & skf21("6","3","3","7","7","3","2","1") = "6"
    & skf21("6","3","3","7","7","3","3","1") = "6"
    & skf21("6","3","3","7","7","3","4","1") = "6"
    & skf21("6","3","3","7","7","3","5","1") = "6"
    & skf21("6","3","3","7","7","3","6","1") = "6"
    & skf21("6","3","3","7","7","3","7","1") = "6"
    & skf21("6","3","3","7","7","4","1","1") = "6"
    & skf21("6","3","3","7","7","4","2","1") = "6"
    & skf21("6","3","3","7","7","4","3","1") = "6"
    & skf21("6","3","3","7","7","4","4","1") = "6"
    & skf21("6","3","3","7","7","4","5","1") = "6"
    & skf21("6","3","3","7","7","4","6","1") = "6"
    & skf21("6","3","3","7","7","4","7","1") = "6"
    & skf21("6","3","3","7","7","5","1","1") = "6"
    & skf21("6","3","3","7","7","5","2","1") = "6"
    & skf21("6","3","3","7","7","5","3","1") = "6"
    & skf21("6","3","3","7","7","5","4","1") = "6"
    & skf21("6","3","3","7","7","5","5","1") = "6"
    & skf21("6","3","3","7","7","5","6","1") = "6"
    & skf21("6","3","3","7","7","5","7","1") = "6"
    & skf21("6","3","3","7","7","6","1","1") = "6"
    & skf21("6","3","3","7","7","6","2","1") = "6"
    & skf21("6","3","3","7","7","6","3","1") = "6"
    & skf21("6","3","3","7","7","6","4","1") = "6"
    & skf21("6","3","3","7","7","6","5","1") = "6"
    & skf21("6","3","3","7","7","6","6","1") = "6"
    & skf21("6","3","3","7","7","6","7","1") = "6"
    & skf21("6","3","3","7","7","7","1","1") = "6"
    & skf21("6","3","3","7","7","7","2","1") = "6"
    & skf21("6","3","3","7","7","7","3","1") = "6"
    & skf21("6","3","3","7","7","7","4","1") = "6"
    & skf21("6","3","3","7","7","7","5","1") = "6"
    & skf21("6","3","3","7","7","7","6","1") = "6"
    & skf21("6","3","3","7","7","7","7","1") = "6"
    & skf21("6","3","4","1","1","1","1","1") = "5"
    & skf21("6","3","4","1","1","1","2","1") = "5"
    & skf21("6","3","4","1","1","1","3","1") = "5"
    & skf21("6","3","4","1","1","1","4","1") = "5"
    & skf21("6","3","4","1","1","1","5","1") = "5"
    & skf21("6","3","4","1","1","1","6","1") = "5"
    & skf21("6","3","4","1","1","1","7","1") = "6"
    & skf21("6","3","4","1","1","2","1","1") = "5"
    & skf21("6","3","4","1","1","2","2","1") = "5"
    & skf21("6","3","4","1","1","2","3","1") = "5"
    & skf21("6","3","4","1","1","2","4","1") = "5"
    & skf21("6","3","4","1","1","2","5","1") = "5"
    & skf21("6","3","4","1","1","2","6","1") = "5"
    & skf21("6","3","4","1","1","2","7","1") = "6"
    & skf21("6","3","4","1","1","3","1","1") = "5"
    & skf21("6","3","4","1","1","3","2","1") = "5"
    & skf21("6","3","4","1","1","3","3","1") = "5"
    & skf21("6","3","4","1","1","3","4","1") = "5"
    & skf21("6","3","4","1","1","3","5","1") = "5"
    & skf21("6","3","4","1","1","3","6","1") = "5"
    & skf21("6","3","4","1","1","3","7","1") = "6"
    & skf21("6","3","4","1","1","4","1","1") = "5"
    & skf21("6","3","4","1","1","4","2","1") = "5"
    & skf21("6","3","4","1","1","4","3","1") = "5"
    & skf21("6","3","4","1","1","4","4","1") = "5"
    & skf21("6","3","4","1","1","4","5","1") = "5"
    & skf21("6","3","4","1","1","4","6","1") = "5"
    & skf21("6","3","4","1","1","4","7","1") = "6"
    & skf21("6","3","4","1","1","5","1","1") = "5"
    & skf21("6","3","4","1","1","5","2","1") = "5"
    & skf21("6","3","4","1","1","5","3","1") = "5"
    & skf21("6","3","4","1","1","5","4","1") = "5"
    & skf21("6","3","4","1","1","5","5","1") = "5"
    & skf21("6","3","4","1","1","5","6","1") = "5"
    & skf21("6","3","4","1","1","5","7","1") = "6"
    & skf21("6","3","4","1","1","6","1","1") = "5"
    & skf21("6","3","4","1","1","6","2","1") = "5"
    & skf21("6","3","4","1","1","6","3","1") = "5"
    & skf21("6","3","4","1","1","6","4","1") = "5"
    & skf21("6","3","4","1","1","6","5","1") = "5"
    & skf21("6","3","4","1","1","6","6","1") = "5"
    & skf21("6","3","4","1","1","6","7","1") = "6"
    & skf21("6","3","4","1","1","7","1","1") = "6"
    & skf21("6","3","4","1","1","7","2","1") = "6"
    & skf21("6","3","4","1","1","7","3","1") = "6"
    & skf21("6","3","4","1","1","7","4","1") = "6"
    & skf21("6","3","4","1","1","7","5","1") = "6"
    & skf21("6","3","4","1","1","7","6","1") = "6"
    & skf21("6","3","4","1","1","7","7","1") = "6"
    & skf21("6","3","4","1","2","1","1","1") = "5"
    & skf21("6","3","4","1","2","1","2","1") = "5"
    & skf21("6","3","4","1","2","1","3","1") = "5"
    & skf21("6","3","4","1","2","1","4","1") = "5"
    & skf21("6","3","4","1","2","1","5","1") = "5"
    & skf21("6","3","4","1","2","1","6","1") = "5"
    & skf21("6","3","4","1","2","1","7","1") = "6"
    & skf21("6","3","4","1","2","2","1","1") = "5"
    & skf21("6","3","4","1","2","2","2","1") = "5"
    & skf21("6","3","4","1","2","2","3","1") = "5"
    & skf21("6","3","4","1","2","2","4","1") = "5"
    & skf21("6","3","4","1","2","2","5","1") = "5"
    & skf21("6","3","4","1","2","2","6","1") = "5"
    & skf21("6","3","4","1","2","2","7","1") = "6"
    & skf21("6","3","4","1","2","3","1","1") = "5"
    & skf21("6","3","4","1","2","3","2","1") = "5"
    & skf21("6","3","4","1","2","3","3","1") = "5"
    & skf21("6","3","4","1","2","3","4","1") = "5"
    & skf21("6","3","4","1","2","3","5","1") = "5"
    & skf21("6","3","4","1","2","3","6","1") = "5"
    & skf21("6","3","4","1","2","3","7","1") = "6"
    & skf21("6","3","4","1","2","4","1","1") = "5"
    & skf21("6","3","4","1","2","4","2","1") = "5"
    & skf21("6","3","4","1","2","4","3","1") = "5"
    & skf21("6","3","4","1","2","4","4","1") = "5"
    & skf21("6","3","4","1","2","4","5","1") = "5"
    & skf21("6","3","4","1","2","4","6","1") = "5"
    & skf21("6","3","4","1","2","4","7","1") = "6"
    & skf21("6","3","4","1","2","5","1","1") = "5"
    & skf21("6","3","4","1","2","5","2","1") = "5"
    & skf21("6","3","4","1","2","5","3","1") = "5"
    & skf21("6","3","4","1","2","5","4","1") = "5"
    & skf21("6","3","4","1","2","5","5","1") = "5"
    & skf21("6","3","4","1","2","5","6","1") = "5"
    & skf21("6","3","4","1","2","5","7","1") = "6"
    & skf21("6","3","4","1","2","6","1","1") = "5"
    & skf21("6","3","4","1","2","6","2","1") = "5"
    & skf21("6","3","4","1","2","6","3","1") = "5"
    & skf21("6","3","4","1","2","6","4","1") = "5"
    & skf21("6","3","4","1","2","6","5","1") = "5"
    & skf21("6","3","4","1","2","6","6","1") = "5"
    & skf21("6","3","4","1","2","6","7","1") = "6"
    & skf21("6","3","4","1","2","7","1","1") = "6"
    & skf21("6","3","4","1","2","7","2","1") = "6"
    & skf21("6","3","4","1","2","7","3","1") = "6"
    & skf21("6","3","4","1","2","7","4","1") = "6"
    & skf21("6","3","4","1","2","7","5","1") = "6"
    & skf21("6","3","4","1","2","7","6","1") = "6"
    & skf21("6","3","4","1","2","7","7","1") = "6"
    & skf21("6","3","4","1","3","1","1","1") = "5"
    & skf21("6","3","4","1","3","1","2","1") = "5"
    & skf21("6","3","4","1","3","1","3","1") = "5"
    & skf21("6","3","4","1","3","1","4","1") = "5"
    & skf21("6","3","4","1","3","1","5","1") = "5"
    & skf21("6","3","4","1","3","1","6","1") = "5"
    & skf21("6","3","4","1","3","1","7","1") = "6"
    & skf21("6","3","4","1","3","2","1","1") = "5"
    & skf21("6","3","4","1","3","2","2","1") = "5"
    & skf21("6","3","4","1","3","2","3","1") = "5"
    & skf21("6","3","4","1","3","2","4","1") = "5"
    & skf21("6","3","4","1","3","2","5","1") = "5"
    & skf21("6","3","4","1","3","2","6","1") = "5"
    & skf21("6","3","4","1","3","2","7","1") = "6"
    & skf21("6","3","4","1","3","3","1","1") = "5"
    & skf21("6","3","4","1","3","3","2","1") = "5"
    & skf21("6","3","4","1","3","3","3","1") = "5"
    & skf21("6","3","4","1","3","3","4","1") = "5"
    & skf21("6","3","4","1","3","3","5","1") = "5"
    & skf21("6","3","4","1","3","3","6","1") = "5"
    & skf21("6","3","4","1","3","3","7","1") = "6"
    & skf21("6","3","4","1","3","4","1","1") = "5"
    & skf21("6","3","4","1","3","4","2","1") = "5"
    & skf21("6","3","4","1","3","4","3","1") = "5"
    & skf21("6","3","4","1","3","4","4","1") = "5"
    & skf21("6","3","4","1","3","4","5","1") = "5"
    & skf21("6","3","4","1","3","4","6","1") = "5"
    & skf21("6","3","4","1","3","4","7","1") = "6"
    & skf21("6","3","4","1","3","5","1","1") = "5"
    & skf21("6","3","4","1","3","5","2","1") = "5"
    & skf21("6","3","4","1","3","5","3","1") = "5"
    & skf21("6","3","4","1","3","5","4","1") = "5"
    & skf21("6","3","4","1","3","5","5","1") = "5"
    & skf21("6","3","4","1","3","5","6","1") = "5"
    & skf21("6","3","4","1","3","5","7","1") = "6"
    & skf21("6","3","4","1","3","6","1","1") = "5"
    & skf21("6","3","4","1","3","6","2","1") = "5"
    & skf21("6","3","4","1","3","6","3","1") = "5"
    & skf21("6","3","4","1","3","6","4","1") = "5"
    & skf21("6","3","4","1","3","6","5","1") = "5"
    & skf21("6","3","4","1","3","6","6","1") = "5"
    & skf21("6","3","4","1","3","6","7","1") = "6"
    & skf21("6","3","4","1","3","7","1","1") = "6"
    & skf21("6","3","4","1","3","7","2","1") = "6"
    & skf21("6","3","4","1","3","7","3","1") = "6"
    & skf21("6","3","4","1","3","7","4","1") = "6"
    & skf21("6","3","4","1","3","7","5","1") = "6"
    & skf21("6","3","4","1","3","7","6","1") = "6"
    & skf21("6","3","4","1","3","7","7","1") = "6"
    & skf21("6","3","4","1","4","1","1","1") = "5"
    & skf21("6","3","4","1","4","1","2","1") = "5"
    & skf21("6","3","4","1","4","1","3","1") = "5"
    & skf21("6","3","4","1","4","1","4","1") = "5"
    & skf21("6","3","4","1","4","1","5","1") = "5"
    & skf21("6","3","4","1","4","1","6","1") = "5"
    & skf21("6","3","4","1","4","1","7","1") = "6"
    & skf21("6","3","4","1","4","2","1","1") = "5"
    & skf21("6","3","4","1","4","2","2","1") = "5"
    & skf21("6","3","4","1","4","2","3","1") = "5"
    & skf21("6","3","4","1","4","2","4","1") = "5"
    & skf21("6","3","4","1","4","2","5","1") = "5"
    & skf21("6","3","4","1","4","2","6","1") = "5"
    & skf21("6","3","4","1","4","2","7","1") = "6"
    & skf21("6","3","4","1","4","3","1","1") = "5"
    & skf21("6","3","4","1","4","3","2","1") = "5"
    & skf21("6","3","4","1","4","3","3","1") = "5"
    & skf21("6","3","4","1","4","3","4","1") = "5"
    & skf21("6","3","4","1","4","3","5","1") = "5"
    & skf21("6","3","4","1","4","3","6","1") = "5"
    & skf21("6","3","4","1","4","3","7","1") = "6"
    & skf21("6","3","4","1","4","4","1","1") = "5"
    & skf21("6","3","4","1","4","4","2","1") = "5"
    & skf21("6","3","4","1","4","4","3","1") = "5"
    & skf21("6","3","4","1","4","4","4","1") = "5"
    & skf21("6","3","4","1","4","4","5","1") = "5"
    & skf21("6","3","4","1","4","4","6","1") = "5"
    & skf21("6","3","4","1","4","4","7","1") = "6"
    & skf21("6","3","4","1","4","5","1","1") = "5"
    & skf21("6","3","4","1","4","5","2","1") = "5"
    & skf21("6","3","4","1","4","5","3","1") = "5"
    & skf21("6","3","4","1","4","5","4","1") = "5"
    & skf21("6","3","4","1","4","5","5","1") = "5"
    & skf21("6","3","4","1","4","5","6","1") = "5"
    & skf21("6","3","4","1","4","5","7","1") = "6"
    & skf21("6","3","4","1","4","6","1","1") = "5"
    & skf21("6","3","4","1","4","6","2","1") = "5"
    & skf21("6","3","4","1","4","6","3","1") = "5"
    & skf21("6","3","4","1","4","6","4","1") = "5"
    & skf21("6","3","4","1","4","6","5","1") = "5"
    & skf21("6","3","4","1","4","6","6","1") = "5"
    & skf21("6","3","4","1","4","6","7","1") = "6"
    & skf21("6","3","4","1","4","7","1","1") = "6"
    & skf21("6","3","4","1","4","7","2","1") = "6"
    & skf21("6","3","4","1","4","7","3","1") = "6"
    & skf21("6","3","4","1","4","7","4","1") = "6"
    & skf21("6","3","4","1","4","7","5","1") = "6"
    & skf21("6","3","4","1","4","7","6","1") = "6"
    & skf21("6","3","4","1","4","7","7","1") = "6"
    & skf21("6","3","4","1","5","1","1","1") = "5"
    & skf21("6","3","4","1","5","1","2","1") = "5"
    & skf21("6","3","4","1","5","1","3","1") = "5"
    & skf21("6","3","4","1","5","1","4","1") = "5"
    & skf21("6","3","4","1","5","1","5","1") = "5"
    & skf21("6","3","4","1","5","1","6","1") = "5"
    & skf21("6","3","4","1","5","1","7","1") = "6"
    & skf21("6","3","4","1","5","2","1","1") = "5"
    & skf21("6","3","4","1","5","2","2","1") = "5"
    & skf21("6","3","4","1","5","2","3","1") = "5"
    & skf21("6","3","4","1","5","2","4","1") = "5"
    & skf21("6","3","4","1","5","2","5","1") = "5"
    & skf21("6","3","4","1","5","2","6","1") = "5"
    & skf21("6","3","4","1","5","2","7","1") = "6"
    & skf21("6","3","4","1","5","3","1","1") = "5"
    & skf21("6","3","4","1","5","3","2","1") = "5"
    & skf21("6","3","4","1","5","3","3","1") = "5"
    & skf21("6","3","4","1","5","3","4","1") = "5"
    & skf21("6","3","4","1","5","3","5","1") = "5"
    & skf21("6","3","4","1","5","3","6","1") = "5"
    & skf21("6","3","4","1","5","3","7","1") = "6"
    & skf21("6","3","4","1","5","4","1","1") = "5"
    & skf21("6","3","4","1","5","4","2","1") = "5"
    & skf21("6","3","4","1","5","4","3","1") = "5"
    & skf21("6","3","4","1","5","4","4","1") = "5"
    & skf21("6","3","4","1","5","4","5","1") = "5"
    & skf21("6","3","4","1","5","4","6","1") = "5"
    & skf21("6","3","4","1","5","4","7","1") = "6"
    & skf21("6","3","4","1","5","5","1","1") = "5"
    & skf21("6","3","4","1","5","5","2","1") = "5"
    & skf21("6","3","4","1","5","5","3","1") = "5"
    & skf21("6","3","4","1","5","5","4","1") = "5"
    & skf21("6","3","4","1","5","5","5","1") = "5"
    & skf21("6","3","4","1","5","5","6","1") = "5"
    & skf21("6","3","4","1","5","5","7","1") = "6"
    & skf21("6","3","4","1","5","6","1","1") = "5"
    & skf21("6","3","4","1","5","6","2","1") = "5"
    & skf21("6","3","4","1","5","6","3","1") = "5"
    & skf21("6","3","4","1","5","6","4","1") = "5"
    & skf21("6","3","4","1","5","6","5","1") = "5"
    & skf21("6","3","4","1","5","6","6","1") = "5"
    & skf21("6","3","4","1","5","6","7","1") = "6"
    & skf21("6","3","4","1","5","7","1","1") = "6"
    & skf21("6","3","4","1","5","7","2","1") = "6"
    & skf21("6","3","4","1","5","7","3","1") = "6"
    & skf21("6","3","4","1","5","7","4","1") = "6"
    & skf21("6","3","4","1","5","7","5","1") = "6"
    & skf21("6","3","4","1","5","7","6","1") = "6"
    & skf21("6","3","4","1","5","7","7","1") = "6"
    & skf21("6","3","4","1","6","1","1","1") = "5"
    & skf21("6","3","4","1","6","1","2","1") = "5"
    & skf21("6","3","4","1","6","1","3","1") = "5"
    & skf21("6","3","4","1","6","1","4","1") = "5"
    & skf21("6","3","4","1","6","1","5","1") = "5"
    & skf21("6","3","4","1","6","1","6","1") = "5"
    & skf21("6","3","4","1","6","1","7","1") = "6"
    & skf21("6","3","4","1","6","2","1","1") = "5"
    & skf21("6","3","4","1","6","2","2","1") = "5"
    & skf21("6","3","4","1","6","2","3","1") = "5"
    & skf21("6","3","4","1","6","2","4","1") = "5"
    & skf21("6","3","4","1","6","2","5","1") = "5"
    & skf21("6","3","4","1","6","2","6","1") = "5"
    & skf21("6","3","4","1","6","2","7","1") = "6"
    & skf21("6","3","4","1","6","3","1","1") = "5"
    & skf21("6","3","4","1","6","3","2","1") = "5"
    & skf21("6","3","4","1","6","3","3","1") = "5"
    & skf21("6","3","4","1","6","3","4","1") = "5"
    & skf21("6","3","4","1","6","3","5","1") = "5"
    & skf21("6","3","4","1","6","3","6","1") = "5"
    & skf21("6","3","4","1","6","3","7","1") = "6"
    & skf21("6","3","4","1","6","4","1","1") = "5"
    & skf21("6","3","4","1","6","4","2","1") = "5"
    & skf21("6","3","4","1","6","4","3","1") = "5"
    & skf21("6","3","4","1","6","4","4","1") = "5"
    & skf21("6","3","4","1","6","4","5","1") = "5"
    & skf21("6","3","4","1","6","4","6","1") = "5"
    & skf21("6","3","4","1","6","4","7","1") = "6"
    & skf21("6","3","4","1","6","5","1","1") = "5"
    & skf21("6","3","4","1","6","5","2","1") = "5"
    & skf21("6","3","4","1","6","5","3","1") = "5"
    & skf21("6","3","4","1","6","5","4","1") = "5"
    & skf21("6","3","4","1","6","5","5","1") = "5"
    & skf21("6","3","4","1","6","5","6","1") = "5"
    & skf21("6","3","4","1","6","5","7","1") = "6"
    & skf21("6","3","4","1","6","6","1","1") = "5"
    & skf21("6","3","4","1","6","6","2","1") = "5"
    & skf21("6","3","4","1","6","6","3","1") = "5"
    & skf21("6","3","4","1","6","6","4","1") = "5"
    & skf21("6","3","4","1","6","6","5","1") = "5"
    & skf21("6","3","4","1","6","6","6","1") = "5"
    & skf21("6","3","4","1","6","6","7","1") = "6"
    & skf21("6","3","4","1","6","7","1","1") = "6"
    & skf21("6","3","4","1","6","7","2","1") = "6"
    & skf21("6","3","4","1","6","7","3","1") = "6"
    & skf21("6","3","4","1","6","7","4","1") = "6"
    & skf21("6","3","4","1","6","7","5","1") = "6"
    & skf21("6","3","4","1","6","7","6","1") = "6"
    & skf21("6","3","4","1","6","7","7","1") = "6"
    & skf21("6","3","4","1","7","1","1","1") = "6"
    & skf21("6","3","4","1","7","1","2","1") = "6"
    & skf21("6","3","4","1","7","1","3","1") = "6"
    & skf21("6","3","4","1","7","1","4","1") = "6"
    & skf21("6","3","4","1","7","1","5","1") = "6"
    & skf21("6","3","4","1","7","1","6","1") = "6"
    & skf21("6","3","4","1","7","1","7","1") = "6"
    & skf21("6","3","4","1","7","2","1","1") = "6"
    & skf21("6","3","4","1","7","2","2","1") = "6"
    & skf21("6","3","4","1","7","2","3","1") = "6"
    & skf21("6","3","4","1","7","2","4","1") = "6"
    & skf21("6","3","4","1","7","2","5","1") = "6"
    & skf21("6","3","4","1","7","2","6","1") = "6"
    & skf21("6","3","4","1","7","2","7","1") = "6"
    & skf21("6","3","4","1","7","3","1","1") = "6"
    & skf21("6","3","4","1","7","3","2","1") = "6"
    & skf21("6","3","4","1","7","3","3","1") = "6"
    & skf21("6","3","4","1","7","3","4","1") = "6"
    & skf21("6","3","4","1","7","3","5","1") = "6"
    & skf21("6","3","4","1","7","3","6","1") = "6"
    & skf21("6","3","4","1","7","3","7","1") = "6"
    & skf21("6","3","4","1","7","4","1","1") = "6"
    & skf21("6","3","4","1","7","4","2","1") = "6"
    & skf21("6","3","4","1","7","4","3","1") = "6"
    & skf21("6","3","4","1","7","4","4","1") = "6"
    & skf21("6","3","4","1","7","4","5","1") = "6"
    & skf21("6","3","4","1","7","4","6","1") = "6"
    & skf21("6","3","4","1","7","4","7","1") = "6"
    & skf21("6","3","4","1","7","5","1","1") = "6"
    & skf21("6","3","4","1","7","5","2","1") = "6"
    & skf21("6","3","4","1","7","5","3","1") = "6"
    & skf21("6","3","4","1","7","5","4","1") = "6"
    & skf21("6","3","4","1","7","5","5","1") = "6"
    & skf21("6","3","4","1","7","5","6","1") = "6"
    & skf21("6","3","4","1","7","5","7","1") = "6"
    & skf21("6","3","4","1","7","6","1","1") = "6"
    & skf21("6","3","4","1","7","6","2","1") = "6"
    & skf21("6","3","4","1","7","6","3","1") = "6"
    & skf21("6","3","4","1","7","6","4","1") = "6"
    & skf21("6","3","4","1","7","6","5","1") = "6"
    & skf21("6","3","4","1","7","6","6","1") = "6"
    & skf21("6","3","4","1","7","6","7","1") = "6"
    & skf21("6","3","4","1","7","7","1","1") = "6"
    & skf21("6","3","4","1","7","7","2","1") = "6"
    & skf21("6","3","4","1","7","7","3","1") = "6"
    & skf21("6","3","4","1","7","7","4","1") = "6"
    & skf21("6","3","4","1","7","7","5","1") = "6"
    & skf21("6","3","4","1","7","7","6","1") = "6"
    & skf21("6","3","4","1","7","7","7","1") = "6"
    & skf21("6","3","4","2","1","1","1","1") = "5"
    & skf21("6","3","4","2","1","1","2","1") = "5"
    & skf21("6","3","4","2","1","1","3","1") = "5"
    & skf21("6","3","4","2","1","1","4","1") = "5"
    & skf21("6","3","4","2","1","1","5","1") = "5"
    & skf21("6","3","4","2","1","1","6","1") = "5"
    & skf21("6","3","4","2","1","1","7","1") = "6"
    & skf21("6","3","4","2","1","2","1","1") = "5"
    & skf21("6","3","4","2","1","2","2","1") = "5"
    & skf21("6","3","4","2","1","2","3","1") = "5"
    & skf21("6","3","4","2","1","2","4","1") = "5"
    & skf21("6","3","4","2","1","2","5","1") = "5"
    & skf21("6","3","4","2","1","2","6","1") = "5"
    & skf21("6","3","4","2","1","2","7","1") = "6"
    & skf21("6","3","4","2","1","3","1","1") = "5"
    & skf21("6","3","4","2","1","3","2","1") = "5"
    & skf21("6","3","4","2","1","3","3","1") = "5"
    & skf21("6","3","4","2","1","3","4","1") = "5"
    & skf21("6","3","4","2","1","3","5","1") = "5"
    & skf21("6","3","4","2","1","3","6","1") = "5"
    & skf21("6","3","4","2","1","3","7","1") = "6"
    & skf21("6","3","4","2","1","4","1","1") = "5"
    & skf21("6","3","4","2","1","4","2","1") = "5"
    & skf21("6","3","4","2","1","4","3","1") = "5"
    & skf21("6","3","4","2","1","4","4","1") = "5"
    & skf21("6","3","4","2","1","4","5","1") = "5"
    & skf21("6","3","4","2","1","4","6","1") = "5"
    & skf21("6","3","4","2","1","4","7","1") = "6"
    & skf21("6","3","4","2","1","5","1","1") = "5"
    & skf21("6","3","4","2","1","5","2","1") = "5"
    & skf21("6","3","4","2","1","5","3","1") = "5"
    & skf21("6","3","4","2","1","5","4","1") = "5"
    & skf21("6","3","4","2","1","5","5","1") = "5"
    & skf21("6","3","4","2","1","5","6","1") = "5"
    & skf21("6","3","4","2","1","5","7","1") = "6"
    & skf21("6","3","4","2","1","6","1","1") = "5"
    & skf21("6","3","4","2","1","6","2","1") = "5"
    & skf21("6","3","4","2","1","6","3","1") = "5"
    & skf21("6","3","4","2","1","6","4","1") = "5"
    & skf21("6","3","4","2","1","6","5","1") = "5"
    & skf21("6","3","4","2","1","6","6","1") = "5"
    & skf21("6","3","4","2","1","6","7","1") = "6"
    & skf21("6","3","4","2","1","7","1","1") = "6"
    & skf21("6","3","4","2","1","7","2","1") = "6"
    & skf21("6","3","4","2","1","7","3","1") = "6"
    & skf21("6","3","4","2","1","7","4","1") = "6"
    & skf21("6","3","4","2","1","7","5","1") = "6"
    & skf21("6","3","4","2","1","7","6","1") = "6"
    & skf21("6","3","4","2","1","7","7","1") = "6"
    & skf21("6","3","4","2","2","1","1","1") = "5"
    & skf21("6","3","4","2","2","1","2","1") = "5"
    & skf21("6","3","4","2","2","1","3","1") = "5"
    & skf21("6","3","4","2","2","1","4","1") = "5"
    & skf21("6","3","4","2","2","1","5","1") = "5"
    & skf21("6","3","4","2","2","1","6","1") = "5"
    & skf21("6","3","4","2","2","1","7","1") = "6"
    & skf21("6","3","4","2","2","2","1","1") = "5"
    & skf21("6","3","4","2","2","2","2","1") = "5"
    & skf21("6","3","4","2","2","2","3","1") = "5"
    & skf21("6","3","4","2","2","2","4","1") = "5"
    & skf21("6","3","4","2","2","2","5","1") = "5"
    & skf21("6","3","4","2","2","2","6","1") = "5"
    & skf21("6","3","4","2","2","2","7","1") = "6"
    & skf21("6","3","4","2","2","3","1","1") = "5"
    & skf21("6","3","4","2","2","3","2","1") = "5"
    & skf21("6","3","4","2","2","3","3","1") = "5"
    & skf21("6","3","4","2","2","3","4","1") = "5"
    & skf21("6","3","4","2","2","3","5","1") = "5"
    & skf21("6","3","4","2","2","3","6","1") = "5"
    & skf21("6","3","4","2","2","3","7","1") = "6"
    & skf21("6","3","4","2","2","4","1","1") = "5"
    & skf21("6","3","4","2","2","4","2","1") = "5"
    & skf21("6","3","4","2","2","4","3","1") = "5"
    & skf21("6","3","4","2","2","4","4","1") = "5"
    & skf21("6","3","4","2","2","4","5","1") = "5"
    & skf21("6","3","4","2","2","4","6","1") = "5"
    & skf21("6","3","4","2","2","4","7","1") = "6"
    & skf21("6","3","4","2","2","5","1","1") = "5"
    & skf21("6","3","4","2","2","5","2","1") = "5"
    & skf21("6","3","4","2","2","5","3","1") = "5"
    & skf21("6","3","4","2","2","5","4","1") = "5"
    & skf21("6","3","4","2","2","5","5","1") = "5"
    & skf21("6","3","4","2","2","5","6","1") = "5"
    & skf21("6","3","4","2","2","5","7","1") = "6"
    & skf21("6","3","4","2","2","6","1","1") = "5"
    & skf21("6","3","4","2","2","6","2","1") = "5"
    & skf21("6","3","4","2","2","6","3","1") = "5"
    & skf21("6","3","4","2","2","6","4","1") = "5"
    & skf21("6","3","4","2","2","6","5","1") = "5"
    & skf21("6","3","4","2","2","6","6","1") = "5"
    & skf21("6","3","4","2","2","6","7","1") = "6"
    & skf21("6","3","4","2","2","7","1","1") = "6"
    & skf21("6","3","4","2","2","7","2","1") = "6"
    & skf21("6","3","4","2","2","7","3","1") = "6"
    & skf21("6","3","4","2","2","7","4","1") = "6"
    & skf21("6","3","4","2","2","7","5","1") = "6"
    & skf21("6","3","4","2","2","7","6","1") = "6"
    & skf21("6","3","4","2","2","7","7","1") = "6"
    & skf21("6","3","4","2","3","1","1","1") = "5"
    & skf21("6","3","4","2","3","1","2","1") = "5"
    & skf21("6","3","4","2","3","1","3","1") = "5"
    & skf21("6","3","4","2","3","1","4","1") = "5"
    & skf21("6","3","4","2","3","1","5","1") = "5"
    & skf21("6","3","4","2","3","1","6","1") = "5"
    & skf21("6","3","4","2","3","1","7","1") = "6"
    & skf21("6","3","4","2","3","2","1","1") = "5"
    & skf21("6","3","4","2","3","2","2","1") = "5"
    & skf21("6","3","4","2","3","2","3","1") = "5"
    & skf21("6","3","4","2","3","2","4","1") = "5"
    & skf21("6","3","4","2","3","2","5","1") = "5"
    & skf21("6","3","4","2","3","2","6","1") = "5"
    & skf21("6","3","4","2","3","2","7","1") = "6"
    & skf21("6","3","4","2","3","3","1","1") = "5"
    & skf21("6","3","4","2","3","3","2","1") = "5"
    & skf21("6","3","4","2","3","3","3","1") = "5"
    & skf21("6","3","4","2","3","3","4","1") = "5"
    & skf21("6","3","4","2","3","3","5","1") = "5"
    & skf21("6","3","4","2","3","3","6","1") = "5"
    & skf21("6","3","4","2","3","3","7","1") = "6"
    & skf21("6","3","4","2","3","4","1","1") = "5"
    & skf21("6","3","4","2","3","4","2","1") = "5"
    & skf21("6","3","4","2","3","4","3","1") = "5"
    & skf21("6","3","4","2","3","4","4","1") = "5"
    & skf21("6","3","4","2","3","4","5","1") = "5"
    & skf21("6","3","4","2","3","4","6","1") = "5"
    & skf21("6","3","4","2","3","4","7","1") = "6"
    & skf21("6","3","4","2","3","5","1","1") = "5"
    & skf21("6","3","4","2","3","5","2","1") = "5"
    & skf21("6","3","4","2","3","5","3","1") = "5"
    & skf21("6","3","4","2","3","5","4","1") = "5"
    & skf21("6","3","4","2","3","5","5","1") = "5"
    & skf21("6","3","4","2","3","5","6","1") = "5"
    & skf21("6","3","4","2","3","5","7","1") = "6"
    & skf21("6","3","4","2","3","6","1","1") = "5"
    & skf21("6","3","4","2","3","6","2","1") = "5"
    & skf21("6","3","4","2","3","6","3","1") = "5"
    & skf21("6","3","4","2","3","6","4","1") = "5"
    & skf21("6","3","4","2","3","6","5","1") = "5"
    & skf21("6","3","4","2","3","6","6","1") = "5"
    & skf21("6","3","4","2","3","6","7","1") = "6"
    & skf21("6","3","4","2","3","7","1","1") = "6"
    & skf21("6","3","4","2","3","7","2","1") = "6"
    & skf21("6","3","4","2","3","7","3","1") = "6"
    & skf21("6","3","4","2","3","7","4","1") = "6"
    & skf21("6","3","4","2","3","7","5","1") = "6"
    & skf21("6","3","4","2","3","7","6","1") = "6"
    & skf21("6","3","4","2","3","7","7","1") = "6"
    & skf21("6","3","4","2","4","1","1","1") = "5"
    & skf21("6","3","4","2","4","1","2","1") = "5"
    & skf21("6","3","4","2","4","1","3","1") = "5"
    & skf21("6","3","4","2","4","1","4","1") = "5"
    & skf21("6","3","4","2","4","1","5","1") = "5"
    & skf21("6","3","4","2","4","1","6","1") = "5"
    & skf21("6","3","4","2","4","1","7","1") = "6"
    & skf21("6","3","4","2","4","2","1","1") = "5"
    & skf21("6","3","4","2","4","2","2","1") = "5"
    & skf21("6","3","4","2","4","2","3","1") = "5"
    & skf21("6","3","4","2","4","2","4","1") = "5"
    & skf21("6","3","4","2","4","2","5","1") = "5"
    & skf21("6","3","4","2","4","2","6","1") = "5"
    & skf21("6","3","4","2","4","2","7","1") = "6"
    & skf21("6","3","4","2","4","3","1","1") = "5"
    & skf21("6","3","4","2","4","3","2","1") = "5"
    & skf21("6","3","4","2","4","3","3","1") = "5"
    & skf21("6","3","4","2","4","3","4","1") = "5"
    & skf21("6","3","4","2","4","3","5","1") = "5"
    & skf21("6","3","4","2","4","3","6","1") = "5"
    & skf21("6","3","4","2","4","3","7","1") = "6"
    & skf21("6","3","4","2","4","4","1","1") = "5"
    & skf21("6","3","4","2","4","4","2","1") = "5"
    & skf21("6","3","4","2","4","4","3","1") = "5"
    & skf21("6","3","4","2","4","4","4","1") = "5"
    & skf21("6","3","4","2","4","4","5","1") = "5"
    & skf21("6","3","4","2","4","4","6","1") = "5"
    & skf21("6","3","4","2","4","4","7","1") = "6"
    & skf21("6","3","4","2","4","5","1","1") = "5"
    & skf21("6","3","4","2","4","5","2","1") = "5"
    & skf21("6","3","4","2","4","5","3","1") = "5"
    & skf21("6","3","4","2","4","5","4","1") = "5"
    & skf21("6","3","4","2","4","5","5","1") = "5"
    & skf21("6","3","4","2","4","5","6","1") = "5"
    & skf21("6","3","4","2","4","5","7","1") = "6"
    & skf21("6","3","4","2","4","6","1","1") = "5"
    & skf21("6","3","4","2","4","6","2","1") = "5"
    & skf21("6","3","4","2","4","6","3","1") = "5"
    & skf21("6","3","4","2","4","6","4","1") = "5"
    & skf21("6","3","4","2","4","6","5","1") = "5"
    & skf21("6","3","4","2","4","6","6","1") = "5"
    & skf21("6","3","4","2","4","6","7","1") = "6"
    & skf21("6","3","4","2","4","7","1","1") = "6"
    & skf21("6","3","4","2","4","7","2","1") = "6"
    & skf21("6","3","4","2","4","7","3","1") = "6"
    & skf21("6","3","4","2","4","7","4","1") = "6"
    & skf21("6","3","4","2","4","7","5","1") = "6"
    & skf21("6","3","4","2","4","7","6","1") = "6"
    & skf21("6","3","4","2","4","7","7","1") = "6"
    & skf21("6","3","4","2","5","1","1","1") = "5"
    & skf21("6","3","4","2","5","1","2","1") = "5"
    & skf21("6","3","4","2","5","1","3","1") = "5"
    & skf21("6","3","4","2","5","1","4","1") = "5"
    & skf21("6","3","4","2","5","1","5","1") = "5"
    & skf21("6","3","4","2","5","1","6","1") = "5"
    & skf21("6","3","4","2","5","1","7","1") = "6"
    & skf21("6","3","4","2","5","2","1","1") = "5"
    & skf21("6","3","4","2","5","2","2","1") = "5"
    & skf21("6","3","4","2","5","2","3","1") = "5"
    & skf21("6","3","4","2","5","2","4","1") = "5"
    & skf21("6","3","4","2","5","2","5","1") = "5"
    & skf21("6","3","4","2","5","2","6","1") = "5"
    & skf21("6","3","4","2","5","2","7","1") = "6"
    & skf21("6","3","4","2","5","3","1","1") = "5"
    & skf21("6","3","4","2","5","3","2","1") = "5"
    & skf21("6","3","4","2","5","3","3","1") = "5"
    & skf21("6","3","4","2","5","3","4","1") = "5"
    & skf21("6","3","4","2","5","3","5","1") = "5"
    & skf21("6","3","4","2","5","3","6","1") = "5"
    & skf21("6","3","4","2","5","3","7","1") = "6"
    & skf21("6","3","4","2","5","4","1","1") = "5"
    & skf21("6","3","4","2","5","4","2","1") = "5"
    & skf21("6","3","4","2","5","4","3","1") = "5"
    & skf21("6","3","4","2","5","4","4","1") = "5"
    & skf21("6","3","4","2","5","4","5","1") = "5"
    & skf21("6","3","4","2","5","4","6","1") = "5"
    & skf21("6","3","4","2","5","4","7","1") = "6"
    & skf21("6","3","4","2","5","5","1","1") = "5"
    & skf21("6","3","4","2","5","5","2","1") = "5"
    & skf21("6","3","4","2","5","5","3","1") = "5"
    & skf21("6","3","4","2","5","5","4","1") = "5"
    & skf21("6","3","4","2","5","5","5","1") = "5"
    & skf21("6","3","4","2","5","5","6","1") = "5"
    & skf21("6","3","4","2","5","5","7","1") = "6"
    & skf21("6","3","4","2","5","6","1","1") = "5"
    & skf21("6","3","4","2","5","6","2","1") = "5"
    & skf21("6","3","4","2","5","6","3","1") = "5"
    & skf21("6","3","4","2","5","6","4","1") = "5"
    & skf21("6","3","4","2","5","6","5","1") = "5"
    & skf21("6","3","4","2","5","6","6","1") = "5"
    & skf21("6","3","4","2","5","6","7","1") = "6"
    & skf21("6","3","4","2","5","7","1","1") = "6"
    & skf21("6","3","4","2","5","7","2","1") = "6"
    & skf21("6","3","4","2","5","7","3","1") = "6"
    & skf21("6","3","4","2","5","7","4","1") = "6"
    & skf21("6","3","4","2","5","7","5","1") = "6"
    & skf21("6","3","4","2","5","7","6","1") = "6"
    & skf21("6","3","4","2","5","7","7","1") = "6"
    & skf21("6","3","4","2","6","1","1","1") = "5"
    & skf21("6","3","4","2","6","1","2","1") = "5"
    & skf21("6","3","4","2","6","1","3","1") = "5"
    & skf21("6","3","4","2","6","1","4","1") = "5"
    & skf21("6","3","4","2","6","1","5","1") = "5"
    & skf21("6","3","4","2","6","1","6","1") = "5"
    & skf21("6","3","4","2","6","1","7","1") = "6"
    & skf21("6","3","4","2","6","2","1","1") = "5"
    & skf21("6","3","4","2","6","2","2","1") = "5"
    & skf21("6","3","4","2","6","2","3","1") = "5"
    & skf21("6","3","4","2","6","2","4","1") = "5"
    & skf21("6","3","4","2","6","2","5","1") = "5"
    & skf21("6","3","4","2","6","2","6","1") = "5"
    & skf21("6","3","4","2","6","2","7","1") = "6"
    & skf21("6","3","4","2","6","3","1","1") = "5"
    & skf21("6","3","4","2","6","3","2","1") = "5"
    & skf21("6","3","4","2","6","3","3","1") = "5"
    & skf21("6","3","4","2","6","3","4","1") = "5"
    & skf21("6","3","4","2","6","3","5","1") = "5"
    & skf21("6","3","4","2","6","3","6","1") = "5"
    & skf21("6","3","4","2","6","3","7","1") = "6"
    & skf21("6","3","4","2","6","4","1","1") = "5"
    & skf21("6","3","4","2","6","4","2","1") = "5"
    & skf21("6","3","4","2","6","4","3","1") = "5"
    & skf21("6","3","4","2","6","4","4","1") = "5"
    & skf21("6","3","4","2","6","4","5","1") = "5"
    & skf21("6","3","4","2","6","4","6","1") = "5"
    & skf21("6","3","4","2","6","4","7","1") = "6"
    & skf21("6","3","4","2","6","5","1","1") = "5"
    & skf21("6","3","4","2","6","5","2","1") = "5"
    & skf21("6","3","4","2","6","5","3","1") = "5"
    & skf21("6","3","4","2","6","5","4","1") = "5"
    & skf21("6","3","4","2","6","5","5","1") = "5"
    & skf21("6","3","4","2","6","5","6","1") = "5"
    & skf21("6","3","4","2","6","5","7","1") = "6"
    & skf21("6","3","4","2","6","6","1","1") = "5"
    & skf21("6","3","4","2","6","6","2","1") = "5"
    & skf21("6","3","4","2","6","6","3","1") = "5"
    & skf21("6","3","4","2","6","6","4","1") = "5"
    & skf21("6","3","4","2","6","6","5","1") = "5"
    & skf21("6","3","4","2","6","6","6","1") = "5"
    & skf21("6","3","4","2","6","6","7","1") = "6"
    & skf21("6","3","4","2","6","7","1","1") = "6"
    & skf21("6","3","4","2","6","7","2","1") = "6"
    & skf21("6","3","4","2","6","7","3","1") = "6"
    & skf21("6","3","4","2","6","7","4","1") = "6"
    & skf21("6","3","4","2","6","7","5","1") = "6"
    & skf21("6","3","4","2","6","7","6","1") = "6"
    & skf21("6","3","4","2","6","7","7","1") = "6"
    & skf21("6","3","4","2","7","1","1","1") = "6"
    & skf21("6","3","4","2","7","1","2","1") = "6"
    & skf21("6","3","4","2","7","1","3","1") = "6"
    & skf21("6","3","4","2","7","1","4","1") = "6"
    & skf21("6","3","4","2","7","1","5","1") = "6"
    & skf21("6","3","4","2","7","1","6","1") = "6"
    & skf21("6","3","4","2","7","1","7","1") = "6"
    & skf21("6","3","4","2","7","2","1","1") = "6"
    & skf21("6","3","4","2","7","2","2","1") = "6"
    & skf21("6","3","4","2","7","2","3","1") = "6"
    & skf21("6","3","4","2","7","2","4","1") = "6"
    & skf21("6","3","4","2","7","2","5","1") = "6"
    & skf21("6","3","4","2","7","2","6","1") = "6"
    & skf21("6","3","4","2","7","2","7","1") = "6"
    & skf21("6","3","4","2","7","3","1","1") = "6"
    & skf21("6","3","4","2","7","3","2","1") = "6"
    & skf21("6","3","4","2","7","3","3","1") = "6"
    & skf21("6","3","4","2","7","3","4","1") = "6"
    & skf21("6","3","4","2","7","3","5","1") = "6"
    & skf21("6","3","4","2","7","3","6","1") = "6"
    & skf21("6","3","4","2","7","3","7","1") = "6"
    & skf21("6","3","4","2","7","4","1","1") = "6"
    & skf21("6","3","4","2","7","4","2","1") = "6"
    & skf21("6","3","4","2","7","4","3","1") = "6"
    & skf21("6","3","4","2","7","4","4","1") = "6"
    & skf21("6","3","4","2","7","4","5","1") = "6"
    & skf21("6","3","4","2","7","4","6","1") = "6"
    & skf21("6","3","4","2","7","4","7","1") = "6"
    & skf21("6","3","4","2","7","5","1","1") = "6"
    & skf21("6","3","4","2","7","5","2","1") = "6"
    & skf21("6","3","4","2","7","5","3","1") = "6"
    & skf21("6","3","4","2","7","5","4","1") = "6"
    & skf21("6","3","4","2","7","5","5","1") = "6"
    & skf21("6","3","4","2","7","5","6","1") = "6"
    & skf21("6","3","4","2","7","5","7","1") = "6"
    & skf21("6","3","4","2","7","6","1","1") = "6"
    & skf21("6","3","4","2","7","6","2","1") = "6"
    & skf21("6","3","4","2","7","6","3","1") = "6"
    & skf21("6","3","4","2","7","6","4","1") = "6"
    & skf21("6","3","4","2","7","6","5","1") = "6"
    & skf21("6","3","4","2","7","6","6","1") = "6"
    & skf21("6","3","4","2","7","6","7","1") = "6"
    & skf21("6","3","4","2","7","7","1","1") = "6"
    & skf21("6","3","4","2","7","7","2","1") = "6"
    & skf21("6","3","4","2","7","7","3","1") = "6"
    & skf21("6","3","4","2","7","7","4","1") = "6"
    & skf21("6","3","4","2","7","7","5","1") = "6"
    & skf21("6","3","4","2","7","7","6","1") = "6"
    & skf21("6","3","4","2","7","7","7","1") = "6"
    & skf21("6","3","4","3","1","1","1","1") = "5"
    & skf21("6","3","4","3","1","1","2","1") = "5"
    & skf21("6","3","4","3","1","1","3","1") = "5"
    & skf21("6","3","4","3","1","1","4","1") = "5"
    & skf21("6","3","4","3","1","1","5","1") = "5"
    & skf21("6","3","4","3","1","1","6","1") = "5"
    & skf21("6","3","4","3","1","1","7","1") = "6"
    & skf21("6","3","4","3","1","2","1","1") = "5"
    & skf21("6","3","4","3","1","2","2","1") = "5"
    & skf21("6","3","4","3","1","2","3","1") = "5"
    & skf21("6","3","4","3","1","2","4","1") = "5"
    & skf21("6","3","4","3","1","2","5","1") = "5"
    & skf21("6","3","4","3","1","2","6","1") = "5"
    & skf21("6","3","4","3","1","2","7","1") = "6"
    & skf21("6","3","4","3","1","3","1","1") = "5"
    & skf21("6","3","4","3","1","3","2","1") = "5"
    & skf21("6","3","4","3","1","3","3","1") = "5"
    & skf21("6","3","4","3","1","3","4","1") = "5"
    & skf21("6","3","4","3","1","3","5","1") = "5"
    & skf21("6","3","4","3","1","3","6","1") = "5"
    & skf21("6","3","4","3","1","3","7","1") = "6"
    & skf21("6","3","4","3","1","4","1","1") = "5"
    & skf21("6","3","4","3","1","4","2","1") = "5"
    & skf21("6","3","4","3","1","4","3","1") = "5"
    & skf21("6","3","4","3","1","4","4","1") = "5"
    & skf21("6","3","4","3","1","4","5","1") = "5"
    & skf21("6","3","4","3","1","4","6","1") = "5"
    & skf21("6","3","4","3","1","4","7","1") = "6"
    & skf21("6","3","4","3","1","5","1","1") = "5"
    & skf21("6","3","4","3","1","5","2","1") = "5"
    & skf21("6","3","4","3","1","5","3","1") = "5"
    & skf21("6","3","4","3","1","5","4","1") = "5"
    & skf21("6","3","4","3","1","5","5","1") = "5"
    & skf21("6","3","4","3","1","5","6","1") = "5"
    & skf21("6","3","4","3","1","5","7","1") = "6"
    & skf21("6","3","4","3","1","6","1","1") = "5"
    & skf21("6","3","4","3","1","6","2","1") = "5"
    & skf21("6","3","4","3","1","6","3","1") = "5"
    & skf21("6","3","4","3","1","6","4","1") = "5"
    & skf21("6","3","4","3","1","6","5","1") = "5"
    & skf21("6","3","4","3","1","6","6","1") = "5"
    & skf21("6","3","4","3","1","6","7","1") = "6"
    & skf21("6","3","4","3","1","7","1","1") = "6"
    & skf21("6","3","4","3","1","7","2","1") = "6"
    & skf21("6","3","4","3","1","7","3","1") = "6"
    & skf21("6","3","4","3","1","7","4","1") = "6"
    & skf21("6","3","4","3","1","7","5","1") = "6"
    & skf21("6","3","4","3","1","7","6","1") = "6"
    & skf21("6","3","4","3","1","7","7","1") = "6"
    & skf21("6","3","4","3","2","1","1","1") = "5"
    & skf21("6","3","4","3","2","1","2","1") = "5"
    & skf21("6","3","4","3","2","1","3","1") = "5"
    & skf21("6","3","4","3","2","1","4","1") = "5"
    & skf21("6","3","4","3","2","1","5","1") = "5"
    & skf21("6","3","4","3","2","1","6","1") = "5"
    & skf21("6","3","4","3","2","1","7","1") = "6"
    & skf21("6","3","4","3","2","2","1","1") = "5"
    & skf21("6","3","4","3","2","2","2","1") = "5"
    & skf21("6","3","4","3","2","2","3","1") = "5"
    & skf21("6","3","4","3","2","2","4","1") = "5"
    & skf21("6","3","4","3","2","2","5","1") = "5"
    & skf21("6","3","4","3","2","2","6","1") = "5"
    & skf21("6","3","4","3","2","2","7","1") = "6"
    & skf21("6","3","4","3","2","3","1","1") = "5"
    & skf21("6","3","4","3","2","3","2","1") = "5"
    & skf21("6","3","4","3","2","3","3","1") = "5"
    & skf21("6","3","4","3","2","3","4","1") = "5"
    & skf21("6","3","4","3","2","3","5","1") = "5"
    & skf21("6","3","4","3","2","3","6","1") = "5"
    & skf21("6","3","4","3","2","3","7","1") = "6"
    & skf21("6","3","4","3","2","4","1","1") = "5"
    & skf21("6","3","4","3","2","4","2","1") = "5"
    & skf21("6","3","4","3","2","4","3","1") = "5"
    & skf21("6","3","4","3","2","4","4","1") = "5"
    & skf21("6","3","4","3","2","4","5","1") = "5"
    & skf21("6","3","4","3","2","4","6","1") = "5"
    & skf21("6","3","4","3","2","4","7","1") = "6"
    & skf21("6","3","4","3","2","5","1","1") = "5"
    & skf21("6","3","4","3","2","5","2","1") = "5"
    & skf21("6","3","4","3","2","5","3","1") = "5"
    & skf21("6","3","4","3","2","5","4","1") = "5"
    & skf21("6","3","4","3","2","5","5","1") = "5"
    & skf21("6","3","4","3","2","5","6","1") = "5"
    & skf21("6","3","4","3","2","5","7","1") = "6"
    & skf21("6","3","4","3","2","6","1","1") = "5"
    & skf21("6","3","4","3","2","6","2","1") = "5"
    & skf21("6","3","4","3","2","6","3","1") = "5"
    & skf21("6","3","4","3","2","6","4","1") = "5"
    & skf21("6","3","4","3","2","6","5","1") = "5"
    & skf21("6","3","4","3","2","6","6","1") = "5"
    & skf21("6","3","4","3","2","6","7","1") = "6"
    & skf21("6","3","4","3","2","7","1","1") = "6"
    & skf21("6","3","4","3","2","7","2","1") = "6"
    & skf21("6","3","4","3","2","7","3","1") = "6"
    & skf21("6","3","4","3","2","7","4","1") = "6"
    & skf21("6","3","4","3","2","7","5","1") = "6"
    & skf21("6","3","4","3","2","7","6","1") = "6"
    & skf21("6","3","4","3","2","7","7","1") = "6"
    & skf21("6","3","4","3","3","1","1","1") = "5"
    & skf21("6","3","4","3","3","1","2","1") = "5"
    & skf21("6","3","4","3","3","1","3","1") = "5"
    & skf21("6","3","4","3","3","1","4","1") = "5"
    & skf21("6","3","4","3","3","1","5","1") = "5"
    & skf21("6","3","4","3","3","1","6","1") = "5"
    & skf21("6","3","4","3","3","1","7","1") = "6"
    & skf21("6","3","4","3","3","2","1","1") = "5"
    & skf21("6","3","4","3","3","2","2","1") = "5"
    & skf21("6","3","4","3","3","2","3","1") = "5"
    & skf21("6","3","4","3","3","2","4","1") = "5"
    & skf21("6","3","4","3","3","2","5","1") = "5"
    & skf21("6","3","4","3","3","2","6","1") = "5"
    & skf21("6","3","4","3","3","2","7","1") = "6"
    & skf21("6","3","4","3","3","3","1","1") = "5"
    & skf21("6","3","4","3","3","3","2","1") = "5"
    & skf21("6","3","4","3","3","3","3","1") = "5"
    & skf21("6","3","4","3","3","3","4","1") = "5"
    & skf21("6","3","4","3","3","3","5","1") = "5"
    & skf21("6","3","4","3","3","3","6","1") = "5"
    & skf21("6","3","4","3","3","3","7","1") = "6"
    & skf21("6","3","4","3","3","4","1","1") = "5"
    & skf21("6","3","4","3","3","4","2","1") = "5"
    & skf21("6","3","4","3","3","4","3","1") = "5"
    & skf21("6","3","4","3","3","4","4","1") = "5"
    & skf21("6","3","4","3","3","4","5","1") = "5"
    & skf21("6","3","4","3","3","4","6","1") = "5"
    & skf21("6","3","4","3","3","4","7","1") = "6"
    & skf21("6","3","4","3","3","5","1","1") = "5"
    & skf21("6","3","4","3","3","5","2","1") = "5"
    & skf21("6","3","4","3","3","5","3","1") = "5"
    & skf21("6","3","4","3","3","5","4","1") = "5"
    & skf21("6","3","4","3","3","5","5","1") = "5"
    & skf21("6","3","4","3","3","5","6","1") = "5"
    & skf21("6","3","4","3","3","5","7","1") = "6"
    & skf21("6","3","4","3","3","6","1","1") = "5"
    & skf21("6","3","4","3","3","6","2","1") = "5"
    & skf21("6","3","4","3","3","6","3","1") = "5"
    & skf21("6","3","4","3","3","6","4","1") = "5"
    & skf21("6","3","4","3","3","6","5","1") = "5"
    & skf21("6","3","4","3","3","6","6","1") = "5"
    & skf21("6","3","4","3","3","6","7","1") = "6"
    & skf21("6","3","4","3","3","7","1","1") = "6"
    & skf21("6","3","4","3","3","7","2","1") = "6"
    & skf21("6","3","4","3","3","7","3","1") = "6"
    & skf21("6","3","4","3","3","7","4","1") = "6"
    & skf21("6","3","4","3","3","7","5","1") = "6"
    & skf21("6","3","4","3","3","7","6","1") = "6"
    & skf21("6","3","4","3","3","7","7","1") = "6"
    & skf21("6","3","4","3","4","1","1","1") = "5"
    & skf21("6","3","4","3","4","1","2","1") = "5"
    & skf21("6","3","4","3","4","1","3","1") = "5"
    & skf21("6","3","4","3","4","1","4","1") = "5"
    & skf21("6","3","4","3","4","1","5","1") = "5"
    & skf21("6","3","4","3","4","1","6","1") = "5"
    & skf21("6","3","4","3","4","1","7","1") = "6"
    & skf21("6","3","4","3","4","2","1","1") = "5"
    & skf21("6","3","4","3","4","2","2","1") = "5"
    & skf21("6","3","4","3","4","2","3","1") = "5"
    & skf21("6","3","4","3","4","2","4","1") = "5"
    & skf21("6","3","4","3","4","2","5","1") = "5"
    & skf21("6","3","4","3","4","2","6","1") = "5"
    & skf21("6","3","4","3","4","2","7","1") = "6"
    & skf21("6","3","4","3","4","3","1","1") = "5"
    & skf21("6","3","4","3","4","3","2","1") = "5"
    & skf21("6","3","4","3","4","3","3","1") = "5"
    & skf21("6","3","4","3","4","3","4","1") = "5"
    & skf21("6","3","4","3","4","3","5","1") = "5"
    & skf21("6","3","4","3","4","3","6","1") = "5"
    & skf21("6","3","4","3","4","3","7","1") = "6"
    & skf21("6","3","4","3","4","4","1","1") = "5"
    & skf21("6","3","4","3","4","4","2","1") = "5"
    & skf21("6","3","4","3","4","4","3","1") = "5"
    & skf21("6","3","4","3","4","4","4","1") = "5"
    & skf21("6","3","4","3","4","4","5","1") = "5"
    & skf21("6","3","4","3","4","4","6","1") = "5"
    & skf21("6","3","4","3","4","4","7","1") = "6"
    & skf21("6","3","4","3","4","5","1","1") = "5"
    & skf21("6","3","4","3","4","5","2","1") = "5"
    & skf21("6","3","4","3","4","5","3","1") = "5"
    & skf21("6","3","4","3","4","5","4","1") = "5"
    & skf21("6","3","4","3","4","5","5","1") = "5"
    & skf21("6","3","4","3","4","5","6","1") = "5"
    & skf21("6","3","4","3","4","5","7","1") = "6"
    & skf21("6","3","4","3","4","6","1","1") = "5"
    & skf21("6","3","4","3","4","6","2","1") = "5"
    & skf21("6","3","4","3","4","6","3","1") = "5"
    & skf21("6","3","4","3","4","6","4","1") = "5"
    & skf21("6","3","4","3","4","6","5","1") = "5"
    & skf21("6","3","4","3","4","6","6","1") = "5"
    & skf21("6","3","4","3","4","6","7","1") = "6"
    & skf21("6","3","4","3","4","7","1","1") = "6"
    & skf21("6","3","4","3","4","7","2","1") = "6"
    & skf21("6","3","4","3","4","7","3","1") = "6"
    & skf21("6","3","4","3","4","7","4","1") = "6"
    & skf21("6","3","4","3","4","7","5","1") = "6"
    & skf21("6","3","4","3","4","7","6","1") = "6"
    & skf21("6","3","4","3","4","7","7","1") = "6"
    & skf21("6","3","4","3","5","1","1","1") = "5"
    & skf21("6","3","4","3","5","1","2","1") = "5"
    & skf21("6","3","4","3","5","1","3","1") = "5"
    & skf21("6","3","4","3","5","1","4","1") = "5"
    & skf21("6","3","4","3","5","1","5","1") = "5"
    & skf21("6","3","4","3","5","1","6","1") = "5"
    & skf21("6","3","4","3","5","1","7","1") = "6"
    & skf21("6","3","4","3","5","2","1","1") = "5"
    & skf21("6","3","4","3","5","2","2","1") = "5"
    & skf21("6","3","4","3","5","2","3","1") = "5"
    & skf21("6","3","4","3","5","2","4","1") = "5"
    & skf21("6","3","4","3","5","2","5","1") = "5"
    & skf21("6","3","4","3","5","2","6","1") = "5"
    & skf21("6","3","4","3","5","2","7","1") = "6"
    & skf21("6","3","4","3","5","3","1","1") = "5"
    & skf21("6","3","4","3","5","3","2","1") = "5"
    & skf21("6","3","4","3","5","3","3","1") = "5"
    & skf21("6","3","4","3","5","3","4","1") = "5"
    & skf21("6","3","4","3","5","3","5","1") = "5"
    & skf21("6","3","4","3","5","3","6","1") = "5"
    & skf21("6","3","4","3","5","3","7","1") = "6"
    & skf21("6","3","4","3","5","4","1","1") = "5"
    & skf21("6","3","4","3","5","4","2","1") = "5"
    & skf21("6","3","4","3","5","4","3","1") = "5"
    & skf21("6","3","4","3","5","4","4","1") = "5"
    & skf21("6","3","4","3","5","4","5","1") = "5"
    & skf21("6","3","4","3","5","4","6","1") = "5"
    & skf21("6","3","4","3","5","4","7","1") = "6"
    & skf21("6","3","4","3","5","5","1","1") = "5"
    & skf21("6","3","4","3","5","5","2","1") = "5"
    & skf21("6","3","4","3","5","5","3","1") = "5"
    & skf21("6","3","4","3","5","5","4","1") = "5"
    & skf21("6","3","4","3","5","5","5","1") = "5"
    & skf21("6","3","4","3","5","5","6","1") = "5"
    & skf21("6","3","4","3","5","5","7","1") = "6"
    & skf21("6","3","4","3","5","6","1","1") = "5"
    & skf21("6","3","4","3","5","6","2","1") = "5"
    & skf21("6","3","4","3","5","6","3","1") = "5"
    & skf21("6","3","4","3","5","6","4","1") = "5"
    & skf21("6","3","4","3","5","6","5","1") = "5"
    & skf21("6","3","4","3","5","6","6","1") = "5"
    & skf21("6","3","4","3","5","6","7","1") = "6"
    & skf21("6","3","4","3","5","7","1","1") = "6"
    & skf21("6","3","4","3","5","7","2","1") = "6"
    & skf21("6","3","4","3","5","7","3","1") = "6"
    & skf21("6","3","4","3","5","7","4","1") = "6"
    & skf21("6","3","4","3","5","7","5","1") = "6"
    & skf21("6","3","4","3","5","7","6","1") = "6"
    & skf21("6","3","4","3","5","7","7","1") = "6"
    & skf21("6","3","4","3","6","1","1","1") = "5"
    & skf21("6","3","4","3","6","1","2","1") = "5"
    & skf21("6","3","4","3","6","1","3","1") = "5"
    & skf21("6","3","4","3","6","1","4","1") = "5"
    & skf21("6","3","4","3","6","1","5","1") = "5"
    & skf21("6","3","4","3","6","1","6","1") = "5"
    & skf21("6","3","4","3","6","1","7","1") = "6"
    & skf21("6","3","4","3","6","2","1","1") = "5"
    & skf21("6","3","4","3","6","2","2","1") = "5"
    & skf21("6","3","4","3","6","2","3","1") = "5"
    & skf21("6","3","4","3","6","2","4","1") = "5"
    & skf21("6","3","4","3","6","2","5","1") = "5"
    & skf21("6","3","4","3","6","2","6","1") = "5"
    & skf21("6","3","4","3","6","2","7","1") = "6"
    & skf21("6","3","4","3","6","3","1","1") = "5"
    & skf21("6","3","4","3","6","3","2","1") = "5"
    & skf21("6","3","4","3","6","3","3","1") = "5"
    & skf21("6","3","4","3","6","3","4","1") = "5"
    & skf21("6","3","4","3","6","3","5","1") = "5"
    & skf21("6","3","4","3","6","3","6","1") = "5"
    & skf21("6","3","4","3","6","3","7","1") = "6"
    & skf21("6","3","4","3","6","4","1","1") = "5"
    & skf21("6","3","4","3","6","4","2","1") = "5"
    & skf21("6","3","4","3","6","4","3","1") = "5"
    & skf21("6","3","4","3","6","4","4","1") = "5"
    & skf21("6","3","4","3","6","4","5","1") = "5"
    & skf21("6","3","4","3","6","4","6","1") = "5"
    & skf21("6","3","4","3","6","4","7","1") = "6"
    & skf21("6","3","4","3","6","5","1","1") = "5"
    & skf21("6","3","4","3","6","5","2","1") = "5"
    & skf21("6","3","4","3","6","5","3","1") = "5"
    & skf21("6","3","4","3","6","5","4","1") = "5"
    & skf21("6","3","4","3","6","5","5","1") = "5"
    & skf21("6","3","4","3","6","5","6","1") = "5"
    & skf21("6","3","4","3","6","5","7","1") = "6"
    & skf21("6","3","4","3","6","6","1","1") = "5"
    & skf21("6","3","4","3","6","6","2","1") = "5"
    & skf21("6","3","4","3","6","6","3","1") = "5"
    & skf21("6","3","4","3","6","6","4","1") = "5"
    & skf21("6","3","4","3","6","6","5","1") = "5"
    & skf21("6","3","4","3","6","6","6","1") = "5"
    & skf21("6","3","4","3","6","6","7","1") = "6"
    & skf21("6","3","4","3","6","7","1","1") = "6"
    & skf21("6","3","4","3","6","7","2","1") = "6"
    & skf21("6","3","4","3","6","7","3","1") = "6"
    & skf21("6","3","4","3","6","7","4","1") = "6"
    & skf21("6","3","4","3","6","7","5","1") = "6"
    & skf21("6","3","4","3","6","7","6","1") = "6"
    & skf21("6","3","4","3","6","7","7","1") = "6"
    & skf21("6","3","4","3","7","1","1","1") = "6"
    & skf21("6","3","4","3","7","1","2","1") = "6"
    & skf21("6","3","4","3","7","1","3","1") = "6"
    & skf21("6","3","4","3","7","1","4","1") = "6"
    & skf21("6","3","4","3","7","1","5","1") = "6"
    & skf21("6","3","4","3","7","1","6","1") = "6"
    & skf21("6","3","4","3","7","1","7","1") = "6"
    & skf21("6","3","4","3","7","2","1","1") = "6"
    & skf21("6","3","4","3","7","2","2","1") = "6"
    & skf21("6","3","4","3","7","2","3","1") = "6"
    & skf21("6","3","4","3","7","2","4","1") = "6"
    & skf21("6","3","4","3","7","2","5","1") = "6"
    & skf21("6","3","4","3","7","2","6","1") = "6"
    & skf21("6","3","4","3","7","2","7","1") = "6"
    & skf21("6","3","4","3","7","3","1","1") = "6"
    & skf21("6","3","4","3","7","3","2","1") = "6"
    & skf21("6","3","4","3","7","3","3","1") = "6"
    & skf21("6","3","4","3","7","3","4","1") = "6"
    & skf21("6","3","4","3","7","3","5","1") = "6"
    & skf21("6","3","4","3","7","3","6","1") = "6"
    & skf21("6","3","4","3","7","3","7","1") = "6"
    & skf21("6","3","4","3","7","4","1","1") = "6"
    & skf21("6","3","4","3","7","4","2","1") = "6"
    & skf21("6","3","4","3","7","4","3","1") = "6"
    & skf21("6","3","4","3","7","4","4","1") = "6"
    & skf21("6","3","4","3","7","4","5","1") = "6"
    & skf21("6","3","4","3","7","4","6","1") = "6"
    & skf21("6","3","4","3","7","4","7","1") = "6"
    & skf21("6","3","4","3","7","5","1","1") = "6"
    & skf21("6","3","4","3","7","5","2","1") = "6"
    & skf21("6","3","4","3","7","5","3","1") = "6"
    & skf21("6","3","4","3","7","5","4","1") = "6"
    & skf21("6","3","4","3","7","5","5","1") = "6"
    & skf21("6","3","4","3","7","5","6","1") = "6"
    & skf21("6","3","4","3","7","5","7","1") = "6"
    & skf21("6","3","4","3","7","6","1","1") = "6"
    & skf21("6","3","4","3","7","6","2","1") = "6"
    & skf21("6","3","4","3","7","6","3","1") = "6"
    & skf21("6","3","4","3","7","6","4","1") = "6"
    & skf21("6","3","4","3","7","6","5","1") = "6"
    & skf21("6","3","4","3","7","6","6","1") = "6"
    & skf21("6","3","4","3","7","6","7","1") = "6"
    & skf21("6","3","4","3","7","7","1","1") = "6"
    & skf21("6","3","4","3","7","7","2","1") = "6"
    & skf21("6","3","4","3","7","7","3","1") = "6"
    & skf21("6","3","4","3","7","7","4","1") = "6"
    & skf21("6","3","4","3","7","7","5","1") = "6"
    & skf21("6","3","4","3","7","7","6","1") = "6"
    & skf21("6","3","4","3","7","7","7","1") = "6"
    & skf21("6","3","4","4","1","1","1","1") = "5"
    & skf21("6","3","4","4","1","1","2","1") = "5"
    & skf21("6","3","4","4","1","1","3","1") = "5"
    & skf21("6","3","4","4","1","1","4","1") = "5"
    & skf21("6","3","4","4","1","1","5","1") = "5"
    & skf21("6","3","4","4","1","1","6","1") = "5"
    & skf21("6","3","4","4","1","1","7","1") = "6"
    & skf21("6","3","4","4","1","2","1","1") = "5"
    & skf21("6","3","4","4","1","2","2","1") = "5"
    & skf21("6","3","4","4","1","2","3","1") = "5"
    & skf21("6","3","4","4","1","2","4","1") = "5"
    & skf21("6","3","4","4","1","2","5","1") = "5"
    & skf21("6","3","4","4","1","2","6","1") = "5"
    & skf21("6","3","4","4","1","2","7","1") = "6"
    & skf21("6","3","4","4","1","3","1","1") = "5"
    & skf21("6","3","4","4","1","3","2","1") = "5"
    & skf21("6","3","4","4","1","3","3","1") = "5"
    & skf21("6","3","4","4","1","3","4","1") = "5"
    & skf21("6","3","4","4","1","3","5","1") = "5"
    & skf21("6","3","4","4","1","3","6","1") = "5"
    & skf21("6","3","4","4","1","3","7","1") = "6"
    & skf21("6","3","4","4","1","4","1","1") = "5"
    & skf21("6","3","4","4","1","4","2","1") = "5"
    & skf21("6","3","4","4","1","4","3","1") = "5"
    & skf21("6","3","4","4","1","4","4","1") = "5"
    & skf21("6","3","4","4","1","4","5","1") = "5"
    & skf21("6","3","4","4","1","4","6","1") = "5"
    & skf21("6","3","4","4","1","4","7","1") = "6"
    & skf21("6","3","4","4","1","5","1","1") = "5"
    & skf21("6","3","4","4","1","5","2","1") = "5"
    & skf21("6","3","4","4","1","5","3","1") = "5"
    & skf21("6","3","4","4","1","5","4","1") = "5"
    & skf21("6","3","4","4","1","5","5","1") = "5"
    & skf21("6","3","4","4","1","5","6","1") = "5"
    & skf21("6","3","4","4","1","5","7","1") = "6"
    & skf21("6","3","4","4","1","6","1","1") = "5"
    & skf21("6","3","4","4","1","6","2","1") = "5"
    & skf21("6","3","4","4","1","6","3","1") = "5"
    & skf21("6","3","4","4","1","6","4","1") = "5"
    & skf21("6","3","4","4","1","6","5","1") = "5"
    & skf21("6","3","4","4","1","6","6","1") = "5"
    & skf21("6","3","4","4","1","6","7","1") = "6"
    & skf21("6","3","4","4","1","7","1","1") = "6"
    & skf21("6","3","4","4","1","7","2","1") = "6"
    & skf21("6","3","4","4","1","7","3","1") = "6"
    & skf21("6","3","4","4","1","7","4","1") = "6"
    & skf21("6","3","4","4","1","7","5","1") = "6"
    & skf21("6","3","4","4","1","7","6","1") = "6"
    & skf21("6","3","4","4","1","7","7","1") = "6"
    & skf21("6","3","4","4","2","1","1","1") = "5"
    & skf21("6","3","4","4","2","1","2","1") = "5"
    & skf21("6","3","4","4","2","1","3","1") = "5"
    & skf21("6","3","4","4","2","1","4","1") = "5"
    & skf21("6","3","4","4","2","1","5","1") = "5"
    & skf21("6","3","4","4","2","1","6","1") = "5"
    & skf21("6","3","4","4","2","1","7","1") = "6"
    & skf21("6","3","4","4","2","2","1","1") = "5"
    & skf21("6","3","4","4","2","2","2","1") = "5"
    & skf21("6","3","4","4","2","2","3","1") = "5"
    & skf21("6","3","4","4","2","2","4","1") = "5"
    & skf21("6","3","4","4","2","2","5","1") = "5"
    & skf21("6","3","4","4","2","2","6","1") = "5"
    & skf21("6","3","4","4","2","2","7","1") = "6"
    & skf21("6","3","4","4","2","3","1","1") = "5"
    & skf21("6","3","4","4","2","3","2","1") = "5"
    & skf21("6","3","4","4","2","3","3","1") = "5"
    & skf21("6","3","4","4","2","3","4","1") = "5"
    & skf21("6","3","4","4","2","3","5","1") = "5"
    & skf21("6","3","4","4","2","3","6","1") = "5"
    & skf21("6","3","4","4","2","3","7","1") = "6"
    & skf21("6","3","4","4","2","4","1","1") = "5"
    & skf21("6","3","4","4","2","4","2","1") = "5"
    & skf21("6","3","4","4","2","4","3","1") = "5"
    & skf21("6","3","4","4","2","4","4","1") = "5"
    & skf21("6","3","4","4","2","4","5","1") = "5"
    & skf21("6","3","4","4","2","4","6","1") = "5"
    & skf21("6","3","4","4","2","4","7","1") = "6"
    & skf21("6","3","4","4","2","5","1","1") = "5"
    & skf21("6","3","4","4","2","5","2","1") = "5"
    & skf21("6","3","4","4","2","5","3","1") = "5"
    & skf21("6","3","4","4","2","5","4","1") = "5"
    & skf21("6","3","4","4","2","5","5","1") = "5"
    & skf21("6","3","4","4","2","5","6","1") = "5"
    & skf21("6","3","4","4","2","5","7","1") = "6"
    & skf21("6","3","4","4","2","6","1","1") = "5"
    & skf21("6","3","4","4","2","6","2","1") = "5"
    & skf21("6","3","4","4","2","6","3","1") = "5"
    & skf21("6","3","4","4","2","6","4","1") = "5"
    & skf21("6","3","4","4","2","6","5","1") = "5"
    & skf21("6","3","4","4","2","6","6","1") = "5"
    & skf21("6","3","4","4","2","6","7","1") = "6"
    & skf21("6","3","4","4","2","7","1","1") = "6"
    & skf21("6","3","4","4","2","7","2","1") = "6"
    & skf21("6","3","4","4","2","7","3","1") = "6"
    & skf21("6","3","4","4","2","7","4","1") = "6"
    & skf21("6","3","4","4","2","7","5","1") = "6"
    & skf21("6","3","4","4","2","7","6","1") = "6"
    & skf21("6","3","4","4","2","7","7","1") = "6"
    & skf21("6","3","4","4","3","1","1","1") = "5"
    & skf21("6","3","4","4","3","1","2","1") = "5"
    & skf21("6","3","4","4","3","1","3","1") = "5"
    & skf21("6","3","4","4","3","1","4","1") = "5"
    & skf21("6","3","4","4","3","1","5","1") = "5"
    & skf21("6","3","4","4","3","1","6","1") = "5"
    & skf21("6","3","4","4","3","1","7","1") = "6"
    & skf21("6","3","4","4","3","2","1","1") = "5"
    & skf21("6","3","4","4","3","2","2","1") = "5"
    & skf21("6","3","4","4","3","2","3","1") = "5"
    & skf21("6","3","4","4","3","2","4","1") = "5"
    & skf21("6","3","4","4","3","2","5","1") = "5"
    & skf21("6","3","4","4","3","2","6","1") = "5"
    & skf21("6","3","4","4","3","2","7","1") = "6"
    & skf21("6","3","4","4","3","3","1","1") = "5"
    & skf21("6","3","4","4","3","3","2","1") = "5"
    & skf21("6","3","4","4","3","3","3","1") = "5"
    & skf21("6","3","4","4","3","3","4","1") = "5"
    & skf21("6","3","4","4","3","3","5","1") = "5"
    & skf21("6","3","4","4","3","3","6","1") = "5"
    & skf21("6","3","4","4","3","3","7","1") = "6"
    & skf21("6","3","4","4","3","4","1","1") = "5"
    & skf21("6","3","4","4","3","4","2","1") = "5"
    & skf21("6","3","4","4","3","4","3","1") = "5"
    & skf21("6","3","4","4","3","4","4","1") = "5"
    & skf21("6","3","4","4","3","4","5","1") = "5"
    & skf21("6","3","4","4","3","4","6","1") = "5"
    & skf21("6","3","4","4","3","4","7","1") = "6"
    & skf21("6","3","4","4","3","5","1","1") = "5"
    & skf21("6","3","4","4","3","5","2","1") = "5"
    & skf21("6","3","4","4","3","5","3","1") = "5"
    & skf21("6","3","4","4","3","5","4","1") = "5"
    & skf21("6","3","4","4","3","5","5","1") = "5"
    & skf21("6","3","4","4","3","5","6","1") = "5"
    & skf21("6","3","4","4","3","5","7","1") = "6"
    & skf21("6","3","4","4","3","6","1","1") = "5"
    & skf21("6","3","4","4","3","6","2","1") = "5"
    & skf21("6","3","4","4","3","6","3","1") = "5"
    & skf21("6","3","4","4","3","6","4","1") = "5"
    & skf21("6","3","4","4","3","6","5","1") = "5"
    & skf21("6","3","4","4","3","6","6","1") = "5"
    & skf21("6","3","4","4","3","6","7","1") = "6"
    & skf21("6","3","4","4","3","7","1","1") = "6"
    & skf21("6","3","4","4","3","7","2","1") = "6"
    & skf21("6","3","4","4","3","7","3","1") = "6"
    & skf21("6","3","4","4","3","7","4","1") = "6"
    & skf21("6","3","4","4","3","7","5","1") = "6"
    & skf21("6","3","4","4","3","7","6","1") = "6"
    & skf21("6","3","4","4","3","7","7","1") = "6"
    & skf21("6","3","4","4","4","1","1","1") = "5"
    & skf21("6","3","4","4","4","1","2","1") = "5"
    & skf21("6","3","4","4","4","1","3","1") = "5"
    & skf21("6","3","4","4","4","1","4","1") = "5"
    & skf21("6","3","4","4","4","1","5","1") = "5"
    & skf21("6","3","4","4","4","1","6","1") = "5"
    & skf21("6","3","4","4","4","1","7","1") = "6"
    & skf21("6","3","4","4","4","2","1","1") = "5"
    & skf21("6","3","4","4","4","2","2","1") = "5"
    & skf21("6","3","4","4","4","2","3","1") = "5"
    & skf21("6","3","4","4","4","2","4","1") = "5"
    & skf21("6","3","4","4","4","2","5","1") = "5"
    & skf21("6","3","4","4","4","2","6","1") = "5"
    & skf21("6","3","4","4","4","2","7","1") = "6"
    & skf21("6","3","4","4","4","3","1","1") = "5"
    & skf21("6","3","4","4","4","3","2","1") = "5"
    & skf21("6","3","4","4","4","3","3","1") = "5"
    & skf21("6","3","4","4","4","3","4","1") = "5"
    & skf21("6","3","4","4","4","3","5","1") = "5"
    & skf21("6","3","4","4","4","3","6","1") = "5"
    & skf21("6","3","4","4","4","3","7","1") = "6"
    & skf21("6","3","4","4","4","4","1","1") = "5"
    & skf21("6","3","4","4","4","4","2","1") = "5"
    & skf21("6","3","4","4","4","4","3","1") = "5"
    & skf21("6","3","4","4","4","4","4","1") = "5"
    & skf21("6","3","4","4","4","4","5","1") = "5"
    & skf21("6","3","4","4","4","4","6","1") = "5"
    & skf21("6","3","4","4","4","4","7","1") = "6"
    & skf21("6","3","4","4","4","5","1","1") = "5"
    & skf21("6","3","4","4","4","5","2","1") = "5"
    & skf21("6","3","4","4","4","5","3","1") = "5"
    & skf21("6","3","4","4","4","5","4","1") = "5"
    & skf21("6","3","4","4","4","5","5","1") = "5"
    & skf21("6","3","4","4","4","5","6","1") = "5"
    & skf21("6","3","4","4","4","5","7","1") = "6"
    & skf21("6","3","4","4","4","6","1","1") = "5"
    & skf21("6","3","4","4","4","6","2","1") = "5"
    & skf21("6","3","4","4","4","6","3","1") = "5"
    & skf21("6","3","4","4","4","6","4","1") = "5"
    & skf21("6","3","4","4","4","6","5","1") = "5"
    & skf21("6","3","4","4","4","6","6","1") = "5"
    & skf21("6","3","4","4","4","6","7","1") = "6"
    & skf21("6","3","4","4","4","7","1","1") = "6"
    & skf21("6","3","4","4","4","7","2","1") = "6"
    & skf21("6","3","4","4","4","7","3","1") = "6"
    & skf21("6","3","4","4","4","7","4","1") = "6"
    & skf21("6","3","4","4","4","7","5","1") = "6"
    & skf21("6","3","4","4","4","7","6","1") = "6"
    & skf21("6","3","4","4","4","7","7","1") = "6"
    & skf21("6","3","4","4","5","1","1","1") = "5"
    & skf21("6","3","4","4","5","1","2","1") = "5"
    & skf21("6","3","4","4","5","1","3","1") = "5"
    & skf21("6","3","4","4","5","1","4","1") = "5"
    & skf21("6","3","4","4","5","1","5","1") = "5"
    & skf21("6","3","4","4","5","1","6","1") = "5"
    & skf21("6","3","4","4","5","1","7","1") = "6"
    & skf21("6","3","4","4","5","2","1","1") = "5"
    & skf21("6","3","4","4","5","2","2","1") = "5"
    & skf21("6","3","4","4","5","2","3","1") = "5"
    & skf21("6","3","4","4","5","2","4","1") = "5"
    & skf21("6","3","4","4","5","2","5","1") = "5"
    & skf21("6","3","4","4","5","2","6","1") = "5"
    & skf21("6","3","4","4","5","2","7","1") = "6"
    & skf21("6","3","4","4","5","3","1","1") = "5"
    & skf21("6","3","4","4","5","3","2","1") = "5"
    & skf21("6","3","4","4","5","3","3","1") = "5"
    & skf21("6","3","4","4","5","3","4","1") = "5"
    & skf21("6","3","4","4","5","3","5","1") = "5"
    & skf21("6","3","4","4","5","3","6","1") = "5"
    & skf21("6","3","4","4","5","3","7","1") = "6"
    & skf21("6","3","4","4","5","4","1","1") = "5"
    & skf21("6","3","4","4","5","4","2","1") = "5"
    & skf21("6","3","4","4","5","4","3","1") = "5"
    & skf21("6","3","4","4","5","4","4","1") = "5"
    & skf21("6","3","4","4","5","4","5","1") = "5"
    & skf21("6","3","4","4","5","4","6","1") = "5"
    & skf21("6","3","4","4","5","4","7","1") = "6"
    & skf21("6","3","4","4","5","5","1","1") = "5"
    & skf21("6","3","4","4","5","5","2","1") = "5"
    & skf21("6","3","4","4","5","5","3","1") = "5"
    & skf21("6","3","4","4","5","5","4","1") = "5"
    & skf21("6","3","4","4","5","5","5","1") = "5"
    & skf21("6","3","4","4","5","5","6","1") = "5"
    & skf21("6","3","4","4","5","5","7","1") = "6"
    & skf21("6","3","4","4","5","6","1","1") = "5"
    & skf21("6","3","4","4","5","6","2","1") = "5"
    & skf21("6","3","4","4","5","6","3","1") = "5"
    & skf21("6","3","4","4","5","6","4","1") = "5"
    & skf21("6","3","4","4","5","6","5","1") = "5"
    & skf21("6","3","4","4","5","6","6","1") = "5"
    & skf21("6","3","4","4","5","6","7","1") = "6"
    & skf21("6","3","4","4","5","7","1","1") = "6"
    & skf21("6","3","4","4","5","7","2","1") = "6"
    & skf21("6","3","4","4","5","7","3","1") = "6"
    & skf21("6","3","4","4","5","7","4","1") = "6"
    & skf21("6","3","4","4","5","7","5","1") = "6"
    & skf21("6","3","4","4","5","7","6","1") = "6"
    & skf21("6","3","4","4","5","7","7","1") = "6"
    & skf21("6","3","4","4","6","1","1","1") = "5"
    & skf21("6","3","4","4","6","1","2","1") = "5"
    & skf21("6","3","4","4","6","1","3","1") = "5"
    & skf21("6","3","4","4","6","1","4","1") = "5"
    & skf21("6","3","4","4","6","1","5","1") = "5"
    & skf21("6","3","4","4","6","1","6","1") = "5"
    & skf21("6","3","4","4","6","1","7","1") = "6"
    & skf21("6","3","4","4","6","2","1","1") = "5"
    & skf21("6","3","4","4","6","2","2","1") = "5"
    & skf21("6","3","4","4","6","2","3","1") = "5"
    & skf21("6","3","4","4","6","2","4","1") = "5"
    & skf21("6","3","4","4","6","2","5","1") = "5"
    & skf21("6","3","4","4","6","2","6","1") = "5"
    & skf21("6","3","4","4","6","2","7","1") = "6"
    & skf21("6","3","4","4","6","3","1","1") = "5"
    & skf21("6","3","4","4","6","3","2","1") = "5"
    & skf21("6","3","4","4","6","3","3","1") = "5"
    & skf21("6","3","4","4","6","3","4","1") = "5"
    & skf21("6","3","4","4","6","3","5","1") = "5"
    & skf21("6","3","4","4","6","3","6","1") = "5"
    & skf21("6","3","4","4","6","3","7","1") = "6"
    & skf21("6","3","4","4","6","4","1","1") = "5"
    & skf21("6","3","4","4","6","4","2","1") = "5"
    & skf21("6","3","4","4","6","4","3","1") = "5"
    & skf21("6","3","4","4","6","4","4","1") = "5"
    & skf21("6","3","4","4","6","4","5","1") = "5"
    & skf21("6","3","4","4","6","4","6","1") = "5"
    & skf21("6","3","4","4","6","4","7","1") = "6"
    & skf21("6","3","4","4","6","5","1","1") = "5"
    & skf21("6","3","4","4","6","5","2","1") = "5"
    & skf21("6","3","4","4","6","5","3","1") = "5"
    & skf21("6","3","4","4","6","5","4","1") = "5"
    & skf21("6","3","4","4","6","5","5","1") = "5"
    & skf21("6","3","4","4","6","5","6","1") = "5"
    & skf21("6","3","4","4","6","5","7","1") = "6"
    & skf21("6","3","4","4","6","6","1","1") = "5"
    & skf21("6","3","4","4","6","6","2","1") = "5"
    & skf21("6","3","4","4","6","6","3","1") = "5"
    & skf21("6","3","4","4","6","6","4","1") = "5"
    & skf21("6","3","4","4","6","6","5","1") = "5"
    & skf21("6","3","4","4","6","6","6","1") = "5"
    & skf21("6","3","4","4","6","6","7","1") = "6"
    & skf21("6","3","4","4","6","7","1","1") = "6"
    & skf21("6","3","4","4","6","7","2","1") = "6"
    & skf21("6","3","4","4","6","7","3","1") = "6"
    & skf21("6","3","4","4","6","7","4","1") = "6"
    & skf21("6","3","4","4","6","7","5","1") = "6"
    & skf21("6","3","4","4","6","7","6","1") = "6"
    & skf21("6","3","4","4","6","7","7","1") = "6"
    & skf21("6","3","4","4","7","1","1","1") = "6"
    & skf21("6","3","4","4","7","1","2","1") = "6"
    & skf21("6","3","4","4","7","1","3","1") = "6"
    & skf21("6","3","4","4","7","1","4","1") = "6"
    & skf21("6","3","4","4","7","1","5","1") = "6"
    & skf21("6","3","4","4","7","1","6","1") = "6"
    & skf21("6","3","4","4","7","1","7","1") = "6"
    & skf21("6","3","4","4","7","2","1","1") = "6"
    & skf21("6","3","4","4","7","2","2","1") = "6"
    & skf21("6","3","4","4","7","2","3","1") = "6"
    & skf21("6","3","4","4","7","2","4","1") = "6"
    & skf21("6","3","4","4","7","2","5","1") = "6"
    & skf21("6","3","4","4","7","2","6","1") = "6"
    & skf21("6","3","4","4","7","2","7","1") = "6"
    & skf21("6","3","4","4","7","3","1","1") = "6"
    & skf21("6","3","4","4","7","3","2","1") = "6"
    & skf21("6","3","4","4","7","3","3","1") = "6"
    & skf21("6","3","4","4","7","3","4","1") = "6"
    & skf21("6","3","4","4","7","3","5","1") = "6"
    & skf21("6","3","4","4","7","3","6","1") = "6"
    & skf21("6","3","4","4","7","3","7","1") = "6"
    & skf21("6","3","4","4","7","4","1","1") = "6"
    & skf21("6","3","4","4","7","4","2","1") = "6"
    & skf21("6","3","4","4","7","4","3","1") = "6"
    & skf21("6","3","4","4","7","4","4","1") = "6"
    & skf21("6","3","4","4","7","4","5","1") = "6"
    & skf21("6","3","4","4","7","4","6","1") = "6"
    & skf21("6","3","4","4","7","4","7","1") = "6"
    & skf21("6","3","4","4","7","5","1","1") = "6"
    & skf21("6","3","4","4","7","5","2","1") = "6"
    & skf21("6","3","4","4","7","5","3","1") = "6"
    & skf21("6","3","4","4","7","5","4","1") = "6"
    & skf21("6","3","4","4","7","5","5","1") = "6"
    & skf21("6","3","4","4","7","5","6","1") = "6"
    & skf21("6","3","4","4","7","5","7","1") = "6"
    & skf21("6","3","4","4","7","6","1","1") = "6"
    & skf21("6","3","4","4","7","6","2","1") = "6"
    & skf21("6","3","4","4","7","6","3","1") = "6"
    & skf21("6","3","4","4","7","6","4","1") = "6"
    & skf21("6","3","4","4","7","6","5","1") = "6"
    & skf21("6","3","4","4","7","6","6","1") = "6"
    & skf21("6","3","4","4","7","6","7","1") = "6"
    & skf21("6","3","4","4","7","7","1","1") = "6"
    & skf21("6","3","4","4","7","7","2","1") = "6"
    & skf21("6","3","4","4","7","7","3","1") = "6"
    & skf21("6","3","4","4","7","7","4","1") = "6"
    & skf21("6","3","4","4","7","7","5","1") = "6"
    & skf21("6","3","4","4","7","7","6","1") = "6"
    & skf21("6","3","4","4","7","7","7","1") = "6"
    & skf21("6","3","4","5","1","1","1","1") = "5"
    & skf21("6","3","4","5","1","1","2","1") = "5"
    & skf21("6","3","4","5","1","1","3","1") = "5"
    & skf21("6","3","4","5","1","1","4","1") = "5"
    & skf21("6","3","4","5","1","1","5","1") = "5"
    & skf21("6","3","4","5","1","1","6","1") = "5"
    & skf21("6","3","4","5","1","1","7","1") = "6"
    & skf21("6","3","4","5","1","2","1","1") = "5"
    & skf21("6","3","4","5","1","2","2","1") = "5"
    & skf21("6","3","4","5","1","2","3","1") = "5"
    & skf21("6","3","4","5","1","2","4","1") = "5"
    & skf21("6","3","4","5","1","2","5","1") = "5"
    & skf21("6","3","4","5","1","2","6","1") = "5"
    & skf21("6","3","4","5","1","2","7","1") = "6"
    & skf21("6","3","4","5","1","3","1","1") = "5"
    & skf21("6","3","4","5","1","3","2","1") = "5"
    & skf21("6","3","4","5","1","3","3","1") = "5"
    & skf21("6","3","4","5","1","3","4","1") = "5"
    & skf21("6","3","4","5","1","3","5","1") = "5"
    & skf21("6","3","4","5","1","3","6","1") = "5"
    & skf21("6","3","4","5","1","3","7","1") = "6"
    & skf21("6","3","4","5","1","4","1","1") = "5"
    & skf21("6","3","4","5","1","4","2","1") = "5"
    & skf21("6","3","4","5","1","4","3","1") = "5"
    & skf21("6","3","4","5","1","4","4","1") = "5"
    & skf21("6","3","4","5","1","4","5","1") = "5"
    & skf21("6","3","4","5","1","4","6","1") = "5"
    & skf21("6","3","4","5","1","4","7","1") = "6"
    & skf21("6","3","4","5","1","5","1","1") = "5"
    & skf21("6","3","4","5","1","5","2","1") = "5"
    & skf21("6","3","4","5","1","5","3","1") = "5"
    & skf21("6","3","4","5","1","5","4","1") = "5"
    & skf21("6","3","4","5","1","5","5","1") = "5"
    & skf21("6","3","4","5","1","5","6","1") = "5"
    & skf21("6","3","4","5","1","5","7","1") = "6"
    & skf21("6","3","4","5","1","6","1","1") = "5"
    & skf21("6","3","4","5","1","6","2","1") = "5"
    & skf21("6","3","4","5","1","6","3","1") = "5"
    & skf21("6","3","4","5","1","6","4","1") = "5"
    & skf21("6","3","4","5","1","6","5","1") = "5"
    & skf21("6","3","4","5","1","6","6","1") = "5"
    & skf21("6","3","4","5","1","6","7","1") = "6"
    & skf21("6","3","4","5","1","7","1","1") = "6"
    & skf21("6","3","4","5","1","7","2","1") = "6"
    & skf21("6","3","4","5","1","7","3","1") = "6"
    & skf21("6","3","4","5","1","7","4","1") = "6"
    & skf21("6","3","4","5","1","7","5","1") = "6"
    & skf21("6","3","4","5","1","7","6","1") = "6"
    & skf21("6","3","4","5","1","7","7","1") = "6"
    & skf21("6","3","4","5","2","1","1","1") = "5"
    & skf21("6","3","4","5","2","1","2","1") = "5"
    & skf21("6","3","4","5","2","1","3","1") = "5"
    & skf21("6","3","4","5","2","1","4","1") = "5"
    & skf21("6","3","4","5","2","1","5","1") = "5"
    & skf21("6","3","4","5","2","1","6","1") = "5"
    & skf21("6","3","4","5","2","1","7","1") = "6"
    & skf21("6","3","4","5","2","2","1","1") = "5"
    & skf21("6","3","4","5","2","2","2","1") = "5"
    & skf21("6","3","4","5","2","2","3","1") = "5"
    & skf21("6","3","4","5","2","2","4","1") = "5"
    & skf21("6","3","4","5","2","2","5","1") = "5"
    & skf21("6","3","4","5","2","2","6","1") = "5"
    & skf21("6","3","4","5","2","2","7","1") = "6"
    & skf21("6","3","4","5","2","3","1","1") = "5"
    & skf21("6","3","4","5","2","3","2","1") = "5"
    & skf21("6","3","4","5","2","3","3","1") = "5"
    & skf21("6","3","4","5","2","3","4","1") = "5"
    & skf21("6","3","4","5","2","3","5","1") = "5"
    & skf21("6","3","4","5","2","3","6","1") = "5"
    & skf21("6","3","4","5","2","3","7","1") = "6"
    & skf21("6","3","4","5","2","4","1","1") = "5"
    & skf21("6","3","4","5","2","4","2","1") = "5"
    & skf21("6","3","4","5","2","4","3","1") = "5"
    & skf21("6","3","4","5","2","4","4","1") = "5"
    & skf21("6","3","4","5","2","4","5","1") = "5"
    & skf21("6","3","4","5","2","4","6","1") = "5"
    & skf21("6","3","4","5","2","4","7","1") = "6"
    & skf21("6","3","4","5","2","5","1","1") = "5"
    & skf21("6","3","4","5","2","5","2","1") = "5"
    & skf21("6","3","4","5","2","5","3","1") = "5"
    & skf21("6","3","4","5","2","5","4","1") = "5"
    & skf21("6","3","4","5","2","5","5","1") = "5"
    & skf21("6","3","4","5","2","5","6","1") = "5"
    & skf21("6","3","4","5","2","5","7","1") = "6"
    & skf21("6","3","4","5","2","6","1","1") = "5"
    & skf21("6","3","4","5","2","6","2","1") = "5"
    & skf21("6","3","4","5","2","6","3","1") = "5"
    & skf21("6","3","4","5","2","6","4","1") = "5"
    & skf21("6","3","4","5","2","6","5","1") = "5"
    & skf21("6","3","4","5","2","6","6","1") = "5"
    & skf21("6","3","4","5","2","6","7","1") = "6"
    & skf21("6","3","4","5","2","7","1","1") = "6"
    & skf21("6","3","4","5","2","7","2","1") = "6"
    & skf21("6","3","4","5","2","7","3","1") = "6"
    & skf21("6","3","4","5","2","7","4","1") = "6"
    & skf21("6","3","4","5","2","7","5","1") = "6"
    & skf21("6","3","4","5","2","7","6","1") = "6"
    & skf21("6","3","4","5","2","7","7","1") = "6"
    & skf21("6","3","4","5","3","1","1","1") = "5"
    & skf21("6","3","4","5","3","1","2","1") = "5"
    & skf21("6","3","4","5","3","1","3","1") = "5"
    & skf21("6","3","4","5","3","1","4","1") = "5"
    & skf21("6","3","4","5","3","1","5","1") = "5"
    & skf21("6","3","4","5","3","1","6","1") = "5"
    & skf21("6","3","4","5","3","1","7","1") = "6"
    & skf21("6","3","4","5","3","2","1","1") = "5"
    & skf21("6","3","4","5","3","2","2","1") = "5"
    & skf21("6","3","4","5","3","2","3","1") = "5"
    & skf21("6","3","4","5","3","2","4","1") = "5"
    & skf21("6","3","4","5","3","2","5","1") = "5"
    & skf21("6","3","4","5","3","2","6","1") = "5"
    & skf21("6","3","4","5","3","2","7","1") = "6"
    & skf21("6","3","4","5","3","3","1","1") = "5"
    & skf21("6","3","4","5","3","3","2","1") = "5"
    & skf21("6","3","4","5","3","3","3","1") = "5"
    & skf21("6","3","4","5","3","3","4","1") = "5"
    & skf21("6","3","4","5","3","3","5","1") = "5"
    & skf21("6","3","4","5","3","3","6","1") = "5"
    & skf21("6","3","4","5","3","3","7","1") = "6"
    & skf21("6","3","4","5","3","4","1","1") = "5"
    & skf21("6","3","4","5","3","4","2","1") = "5"
    & skf21("6","3","4","5","3","4","3","1") = "5"
    & skf21("6","3","4","5","3","4","4","1") = "5"
    & skf21("6","3","4","5","3","4","5","1") = "5"
    & skf21("6","3","4","5","3","4","6","1") = "5"
    & skf21("6","3","4","5","3","4","7","1") = "6"
    & skf21("6","3","4","5","3","5","1","1") = "5"
    & skf21("6","3","4","5","3","5","2","1") = "5"
    & skf21("6","3","4","5","3","5","3","1") = "5"
    & skf21("6","3","4","5","3","5","4","1") = "5"
    & skf21("6","3","4","5","3","5","5","1") = "5"
    & skf21("6","3","4","5","3","5","6","1") = "5"
    & skf21("6","3","4","5","3","5","7","1") = "6"
    & skf21("6","3","4","5","3","6","1","1") = "5"
    & skf21("6","3","4","5","3","6","2","1") = "5"
    & skf21("6","3","4","5","3","6","3","1") = "5"
    & skf21("6","3","4","5","3","6","4","1") = "5"
    & skf21("6","3","4","5","3","6","5","1") = "5"
    & skf21("6","3","4","5","3","6","6","1") = "5"
    & skf21("6","3","4","5","3","6","7","1") = "6"
    & skf21("6","3","4","5","3","7","1","1") = "6"
    & skf21("6","3","4","5","3","7","2","1") = "6"
    & skf21("6","3","4","5","3","7","3","1") = "6"
    & skf21("6","3","4","5","3","7","4","1") = "6"
    & skf21("6","3","4","5","3","7","5","1") = "6"
    & skf21("6","3","4","5","3","7","6","1") = "6"
    & skf21("6","3","4","5","3","7","7","1") = "6"
    & skf21("6","3","4","5","4","1","1","1") = "5"
    & skf21("6","3","4","5","4","1","2","1") = "5"
    & skf21("6","3","4","5","4","1","3","1") = "5"
    & skf21("6","3","4","5","4","1","4","1") = "5"
    & skf21("6","3","4","5","4","1","5","1") = "5"
    & skf21("6","3","4","5","4","1","6","1") = "5"
    & skf21("6","3","4","5","4","1","7","1") = "6"
    & skf21("6","3","4","5","4","2","1","1") = "5"
    & skf21("6","3","4","5","4","2","2","1") = "5"
    & skf21("6","3","4","5","4","2","3","1") = "5"
    & skf21("6","3","4","5","4","2","4","1") = "5"
    & skf21("6","3","4","5","4","2","5","1") = "5"
    & skf21("6","3","4","5","4","2","6","1") = "5"
    & skf21("6","3","4","5","4","2","7","1") = "6"
    & skf21("6","3","4","5","4","3","1","1") = "5"
    & skf21("6","3","4","5","4","3","2","1") = "5"
    & skf21("6","3","4","5","4","3","3","1") = "5"
    & skf21("6","3","4","5","4","3","4","1") = "5"
    & skf21("6","3","4","5","4","3","5","1") = "5"
    & skf21("6","3","4","5","4","3","6","1") = "5"
    & skf21("6","3","4","5","4","3","7","1") = "6"
    & skf21("6","3","4","5","4","4","1","1") = "5"
    & skf21("6","3","4","5","4","4","2","1") = "5"
    & skf21("6","3","4","5","4","4","3","1") = "5"
    & skf21("6","3","4","5","4","4","4","1") = "5"
    & skf21("6","3","4","5","4","4","5","1") = "5"
    & skf21("6","3","4","5","4","4","6","1") = "5"
    & skf21("6","3","4","5","4","4","7","1") = "6"
    & skf21("6","3","4","5","4","5","1","1") = "5"
    & skf21("6","3","4","5","4","5","2","1") = "5"
    & skf21("6","3","4","5","4","5","3","1") = "5"
    & skf21("6","3","4","5","4","5","4","1") = "5"
    & skf21("6","3","4","5","4","5","5","1") = "5"
    & skf21("6","3","4","5","4","5","6","1") = "5"
    & skf21("6","3","4","5","4","5","7","1") = "6"
    & skf21("6","3","4","5","4","6","1","1") = "5"
    & skf21("6","3","4","5","4","6","2","1") = "5"
    & skf21("6","3","4","5","4","6","3","1") = "5"
    & skf21("6","3","4","5","4","6","4","1") = "5"
    & skf21("6","3","4","5","4","6","5","1") = "5"
    & skf21("6","3","4","5","4","6","6","1") = "5"
    & skf21("6","3","4","5","4","6","7","1") = "6"
    & skf21("6","3","4","5","4","7","1","1") = "6"
    & skf21("6","3","4","5","4","7","2","1") = "6"
    & skf21("6","3","4","5","4","7","3","1") = "6"
    & skf21("6","3","4","5","4","7","4","1") = "6"
    & skf21("6","3","4","5","4","7","5","1") = "6"
    & skf21("6","3","4","5","4","7","6","1") = "6"
    & skf21("6","3","4","5","4","7","7","1") = "6"
    & skf21("6","3","4","5","5","1","1","1") = "5"
    & skf21("6","3","4","5","5","1","2","1") = "5"
    & skf21("6","3","4","5","5","1","3","1") = "5"
    & skf21("6","3","4","5","5","1","4","1") = "5"
    & skf21("6","3","4","5","5","1","5","1") = "5"
    & skf21("6","3","4","5","5","1","6","1") = "5"
    & skf21("6","3","4","5","5","1","7","1") = "6"
    & skf21("6","3","4","5","5","2","1","1") = "5"
    & skf21("6","3","4","5","5","2","2","1") = "5"
    & skf21("6","3","4","5","5","2","3","1") = "5"
    & skf21("6","3","4","5","5","2","4","1") = "5"
    & skf21("6","3","4","5","5","2","5","1") = "5"
    & skf21("6","3","4","5","5","2","6","1") = "5"
    & skf21("6","3","4","5","5","2","7","1") = "6"
    & skf21("6","3","4","5","5","3","1","1") = "5"
    & skf21("6","3","4","5","5","3","2","1") = "5"
    & skf21("6","3","4","5","5","3","3","1") = "5"
    & skf21("6","3","4","5","5","3","4","1") = "5"
    & skf21("6","3","4","5","5","3","5","1") = "5"
    & skf21("6","3","4","5","5","3","6","1") = "5"
    & skf21("6","3","4","5","5","3","7","1") = "6"
    & skf21("6","3","4","5","5","4","1","1") = "5"
    & skf21("6","3","4","5","5","4","2","1") = "5"
    & skf21("6","3","4","5","5","4","3","1") = "5"
    & skf21("6","3","4","5","5","4","4","1") = "5"
    & skf21("6","3","4","5","5","4","5","1") = "5"
    & skf21("6","3","4","5","5","4","6","1") = "5"
    & skf21("6","3","4","5","5","4","7","1") = "6"
    & skf21("6","3","4","5","5","5","1","1") = "5"
    & skf21("6","3","4","5","5","5","2","1") = "5"
    & skf21("6","3","4","5","5","5","3","1") = "5"
    & skf21("6","3","4","5","5","5","4","1") = "5"
    & skf21("6","3","4","5","5","5","5","1") = "5"
    & skf21("6","3","4","5","5","5","6","1") = "5"
    & skf21("6","3","4","5","5","5","7","1") = "6"
    & skf21("6","3","4","5","5","6","1","1") = "5"
    & skf21("6","3","4","5","5","6","2","1") = "5"
    & skf21("6","3","4","5","5","6","3","1") = "5"
    & skf21("6","3","4","5","5","6","4","1") = "5"
    & skf21("6","3","4","5","5","6","5","1") = "5"
    & skf21("6","3","4","5","5","6","6","1") = "5"
    & skf21("6","3","4","5","5","6","7","1") = "6"
    & skf21("6","3","4","5","5","7","1","1") = "6"
    & skf21("6","3","4","5","5","7","2","1") = "6"
    & skf21("6","3","4","5","5","7","3","1") = "6"
    & skf21("6","3","4","5","5","7","4","1") = "6"
    & skf21("6","3","4","5","5","7","5","1") = "6"
    & skf21("6","3","4","5","5","7","6","1") = "6"
    & skf21("6","3","4","5","5","7","7","1") = "6"
    & skf21("6","3","4","5","6","1","1","1") = "5"
    & skf21("6","3","4","5","6","1","2","1") = "5"
    & skf21("6","3","4","5","6","1","3","1") = "5"
    & skf21("6","3","4","5","6","1","4","1") = "5"
    & skf21("6","3","4","5","6","1","5","1") = "5"
    & skf21("6","3","4","5","6","1","6","1") = "5"
    & skf21("6","3","4","5","6","1","7","1") = "6"
    & skf21("6","3","4","5","6","2","1","1") = "5"
    & skf21("6","3","4","5","6","2","2","1") = "5"
    & skf21("6","3","4","5","6","2","3","1") = "5"
    & skf21("6","3","4","5","6","2","4","1") = "5"
    & skf21("6","3","4","5","6","2","5","1") = "5"
    & skf21("6","3","4","5","6","2","6","1") = "5"
    & skf21("6","3","4","5","6","2","7","1") = "6"
    & skf21("6","3","4","5","6","3","1","1") = "5"
    & skf21("6","3","4","5","6","3","2","1") = "5"
    & skf21("6","3","4","5","6","3","3","1") = "5"
    & skf21("6","3","4","5","6","3","4","1") = "5"
    & skf21("6","3","4","5","6","3","5","1") = "5"
    & skf21("6","3","4","5","6","3","6","1") = "5"
    & skf21("6","3","4","5","6","3","7","1") = "6"
    & skf21("6","3","4","5","6","4","1","1") = "5"
    & skf21("6","3","4","5","6","4","2","1") = "5"
    & skf21("6","3","4","5","6","4","3","1") = "5"
    & skf21("6","3","4","5","6","4","4","1") = "5"
    & skf21("6","3","4","5","6","4","5","1") = "5"
    & skf21("6","3","4","5","6","4","6","1") = "5"
    & skf21("6","3","4","5","6","4","7","1") = "6"
    & skf21("6","3","4","5","6","5","1","1") = "5"
    & skf21("6","3","4","5","6","5","2","1") = "5"
    & skf21("6","3","4","5","6","5","3","1") = "5"
    & skf21("6","3","4","5","6","5","4","1") = "5"
    & skf21("6","3","4","5","6","5","5","1") = "5"
    & skf21("6","3","4","5","6","5","6","1") = "5"
    & skf21("6","3","4","5","6","5","7","1") = "6"
    & skf21("6","3","4","5","6","6","1","1") = "5"
    & skf21("6","3","4","5","6","6","2","1") = "5"
    & skf21("6","3","4","5","6","6","3","1") = "5"
    & skf21("6","3","4","5","6","6","4","1") = "5"
    & skf21("6","3","4","5","6","6","5","1") = "5"
    & skf21("6","3","4","5","6","6","6","1") = "5"
    & skf21("6","3","4","5","6","6","7","1") = "6"
    & skf21("6","3","4","5","6","7","1","1") = "6"
    & skf21("6","3","4","5","6","7","2","1") = "6"
    & skf21("6","3","4","5","6","7","3","1") = "6"
    & skf21("6","3","4","5","6","7","4","1") = "6"
    & skf21("6","3","4","5","6","7","5","1") = "6"
    & skf21("6","3","4","5","6","7","6","1") = "6"
    & skf21("6","3","4","5","6","7","7","1") = "6"
    & skf21("6","3","4","5","7","1","1","1") = "6"
    & skf21("6","3","4","5","7","1","2","1") = "6"
    & skf21("6","3","4","5","7","1","3","1") = "6"
    & skf21("6","3","4","5","7","1","4","1") = "6"
    & skf21("6","3","4","5","7","1","5","1") = "6"
    & skf21("6","3","4","5","7","1","6","1") = "6"
    & skf21("6","3","4","5","7","1","7","1") = "6"
    & skf21("6","3","4","5","7","2","1","1") = "6"
    & skf21("6","3","4","5","7","2","2","1") = "6"
    & skf21("6","3","4","5","7","2","3","1") = "6"
    & skf21("6","3","4","5","7","2","4","1") = "6"
    & skf21("6","3","4","5","7","2","5","1") = "6"
    & skf21("6","3","4","5","7","2","6","1") = "6"
    & skf21("6","3","4","5","7","2","7","1") = "6"
    & skf21("6","3","4","5","7","3","1","1") = "6"
    & skf21("6","3","4","5","7","3","2","1") = "6"
    & skf21("6","3","4","5","7","3","3","1") = "6"
    & skf21("6","3","4","5","7","3","4","1") = "6"
    & skf21("6","3","4","5","7","3","5","1") = "6"
    & skf21("6","3","4","5","7","3","6","1") = "6"
    & skf21("6","3","4","5","7","3","7","1") = "6"
    & skf21("6","3","4","5","7","4","1","1") = "6"
    & skf21("6","3","4","5","7","4","2","1") = "6"
    & skf21("6","3","4","5","7","4","3","1") = "6"
    & skf21("6","3","4","5","7","4","4","1") = "6"
    & skf21("6","3","4","5","7","4","5","1") = "6"
    & skf21("6","3","4","5","7","4","6","1") = "6"
    & skf21("6","3","4","5","7","4","7","1") = "6"
    & skf21("6","3","4","5","7","5","1","1") = "6"
    & skf21("6","3","4","5","7","5","2","1") = "6"
    & skf21("6","3","4","5","7","5","3","1") = "6"
    & skf21("6","3","4","5","7","5","4","1") = "6"
    & skf21("6","3","4","5","7","5","5","1") = "6"
    & skf21("6","3","4","5","7","5","6","1") = "6"
    & skf21("6","3","4","5","7","5","7","1") = "6"
    & skf21("6","3","4","5","7","6","1","1") = "6"
    & skf21("6","3","4","5","7","6","2","1") = "6"
    & skf21("6","3","4","5","7","6","3","1") = "6"
    & skf21("6","3","4","5","7","6","4","1") = "6"
    & skf21("6","3","4","5","7","6","5","1") = "6"
    & skf21("6","3","4","5","7","6","6","1") = "6"
    & skf21("6","3","4","5","7","6","7","1") = "6"
    & skf21("6","3","4","5","7","7","1","1") = "6"
    & skf21("6","3","4","5","7","7","2","1") = "6"
    & skf21("6","3","4","5","7","7","3","1") = "6"
    & skf21("6","3","4","5","7","7","4","1") = "6"
    & skf21("6","3","4","5","7","7","5","1") = "6"
    & skf21("6","3","4","5","7","7","6","1") = "6"
    & skf21("6","3","4","5","7","7","7","1") = "6"
    & skf21("6","3","4","6","1","1","1","1") = "5"
    & skf21("6","3","4","6","1","1","2","1") = "5"
    & skf21("6","3","4","6","1","1","3","1") = "5"
    & skf21("6","3","4","6","1","1","4","1") = "5"
    & skf21("6","3","4","6","1","1","5","1") = "5"
    & skf21("6","3","4","6","1","1","6","1") = "5"
    & skf21("6","3","4","6","1","1","7","1") = "6"
    & skf21("6","3","4","6","1","2","1","1") = "5"
    & skf21("6","3","4","6","1","2","2","1") = "5"
    & skf21("6","3","4","6","1","2","3","1") = "5"
    & skf21("6","3","4","6","1","2","4","1") = "5"
    & skf21("6","3","4","6","1","2","5","1") = "5"
    & skf21("6","3","4","6","1","2","6","1") = "5"
    & skf21("6","3","4","6","1","2","7","1") = "6"
    & skf21("6","3","4","6","1","3","1","1") = "5"
    & skf21("6","3","4","6","1","3","2","1") = "5"
    & skf21("6","3","4","6","1","3","3","1") = "5"
    & skf21("6","3","4","6","1","3","4","1") = "5"
    & skf21("6","3","4","6","1","3","5","1") = "5"
    & skf21("6","3","4","6","1","3","6","1") = "5"
    & skf21("6","3","4","6","1","3","7","1") = "6"
    & skf21("6","3","4","6","1","4","1","1") = "5"
    & skf21("6","3","4","6","1","4","2","1") = "5"
    & skf21("6","3","4","6","1","4","3","1") = "5"
    & skf21("6","3","4","6","1","4","4","1") = "5"
    & skf21("6","3","4","6","1","4","5","1") = "5"
    & skf21("6","3","4","6","1","4","6","1") = "5"
    & skf21("6","3","4","6","1","4","7","1") = "6"
    & skf21("6","3","4","6","1","5","1","1") = "5"
    & skf21("6","3","4","6","1","5","2","1") = "5"
    & skf21("6","3","4","6","1","5","3","1") = "5"
    & skf21("6","3","4","6","1","5","4","1") = "5"
    & skf21("6","3","4","6","1","5","5","1") = "5"
    & skf21("6","3","4","6","1","5","6","1") = "5"
    & skf21("6","3","4","6","1","5","7","1") = "6"
    & skf21("6","3","4","6","1","6","1","1") = "5"
    & skf21("6","3","4","6","1","6","2","1") = "5"
    & skf21("6","3","4","6","1","6","3","1") = "5"
    & skf21("6","3","4","6","1","6","4","1") = "5"
    & skf21("6","3","4","6","1","6","5","1") = "5"
    & skf21("6","3","4","6","1","6","6","1") = "5"
    & skf21("6","3","4","6","1","6","7","1") = "6"
    & skf21("6","3","4","6","1","7","1","1") = "6"
    & skf21("6","3","4","6","1","7","2","1") = "6"
    & skf21("6","3","4","6","1","7","3","1") = "6"
    & skf21("6","3","4","6","1","7","4","1") = "6"
    & skf21("6","3","4","6","1","7","5","1") = "6"
    & skf21("6","3","4","6","1","7","6","1") = "6"
    & skf21("6","3","4","6","1","7","7","1") = "6"
    & skf21("6","3","4","6","2","1","1","1") = "5"
    & skf21("6","3","4","6","2","1","2","1") = "5"
    & skf21("6","3","4","6","2","1","3","1") = "5"
    & skf21("6","3","4","6","2","1","4","1") = "5"
    & skf21("6","3","4","6","2","1","5","1") = "5"
    & skf21("6","3","4","6","2","1","6","1") = "5"
    & skf21("6","3","4","6","2","1","7","1") = "6"
    & skf21("6","3","4","6","2","2","1","1") = "5"
    & skf21("6","3","4","6","2","2","2","1") = "5"
    & skf21("6","3","4","6","2","2","3","1") = "5"
    & skf21("6","3","4","6","2","2","4","1") = "5"
    & skf21("6","3","4","6","2","2","5","1") = "5"
    & skf21("6","3","4","6","2","2","6","1") = "5"
    & skf21("6","3","4","6","2","2","7","1") = "6"
    & skf21("6","3","4","6","2","3","1","1") = "5"
    & skf21("6","3","4","6","2","3","2","1") = "5"
    & skf21("6","3","4","6","2","3","3","1") = "5"
    & skf21("6","3","4","6","2","3","4","1") = "5"
    & skf21("6","3","4","6","2","3","5","1") = "5"
    & skf21("6","3","4","6","2","3","6","1") = "5"
    & skf21("6","3","4","6","2","3","7","1") = "6"
    & skf21("6","3","4","6","2","4","1","1") = "5"
    & skf21("6","3","4","6","2","4","2","1") = "5"
    & skf21("6","3","4","6","2","4","3","1") = "5"
    & skf21("6","3","4","6","2","4","4","1") = "5"
    & skf21("6","3","4","6","2","4","5","1") = "5"
    & skf21("6","3","4","6","2","4","6","1") = "5"
    & skf21("6","3","4","6","2","4","7","1") = "6"
    & skf21("6","3","4","6","2","5","1","1") = "5"
    & skf21("6","3","4","6","2","5","2","1") = "5"
    & skf21("6","3","4","6","2","5","3","1") = "5"
    & skf21("6","3","4","6","2","5","4","1") = "5"
    & skf21("6","3","4","6","2","5","5","1") = "5"
    & skf21("6","3","4","6","2","5","6","1") = "5"
    & skf21("6","3","4","6","2","5","7","1") = "6"
    & skf21("6","3","4","6","2","6","1","1") = "5"
    & skf21("6","3","4","6","2","6","2","1") = "5"
    & skf21("6","3","4","6","2","6","3","1") = "5"
    & skf21("6","3","4","6","2","6","4","1") = "5"
    & skf21("6","3","4","6","2","6","5","1") = "5"
    & skf21("6","3","4","6","2","6","6","1") = "5"
    & skf21("6","3","4","6","2","6","7","1") = "6"
    & skf21("6","3","4","6","2","7","1","1") = "6"
    & skf21("6","3","4","6","2","7","2","1") = "6"
    & skf21("6","3","4","6","2","7","3","1") = "6"
    & skf21("6","3","4","6","2","7","4","1") = "6"
    & skf21("6","3","4","6","2","7","5","1") = "6"
    & skf21("6","3","4","6","2","7","6","1") = "6"
    & skf21("6","3","4","6","2","7","7","1") = "6"
    & skf21("6","3","4","6","3","1","1","1") = "5"
    & skf21("6","3","4","6","3","1","2","1") = "5"
    & skf21("6","3","4","6","3","1","3","1") = "5"
    & skf21("6","3","4","6","3","1","4","1") = "5"
    & skf21("6","3","4","6","3","1","5","1") = "5"
    & skf21("6","3","4","6","3","1","6","1") = "5"
    & skf21("6","3","4","6","3","1","7","1") = "6"
    & skf21("6","3","4","6","3","2","1","1") = "5"
    & skf21("6","3","4","6","3","2","2","1") = "5"
    & skf21("6","3","4","6","3","2","3","1") = "5"
    & skf21("6","3","4","6","3","2","4","1") = "5"
    & skf21("6","3","4","6","3","2","5","1") = "5"
    & skf21("6","3","4","6","3","2","6","1") = "5"
    & skf21("6","3","4","6","3","2","7","1") = "6"
    & skf21("6","3","4","6","3","3","1","1") = "5"
    & skf21("6","3","4","6","3","3","2","1") = "5"
    & skf21("6","3","4","6","3","3","3","1") = "5"
    & skf21("6","3","4","6","3","3","4","1") = "5"
    & skf21("6","3","4","6","3","3","5","1") = "5"
    & skf21("6","3","4","6","3","3","6","1") = "5"
    & skf21("6","3","4","6","3","3","7","1") = "6"
    & skf21("6","3","4","6","3","4","1","1") = "5"
    & skf21("6","3","4","6","3","4","2","1") = "5"
    & skf21("6","3","4","6","3","4","3","1") = "5"
    & skf21("6","3","4","6","3","4","4","1") = "5"
    & skf21("6","3","4","6","3","4","5","1") = "5"
    & skf21("6","3","4","6","3","4","6","1") = "5"
    & skf21("6","3","4","6","3","4","7","1") = "6"
    & skf21("6","3","4","6","3","5","1","1") = "5"
    & skf21("6","3","4","6","3","5","2","1") = "5"
    & skf21("6","3","4","6","3","5","3","1") = "5"
    & skf21("6","3","4","6","3","5","4","1") = "5"
    & skf21("6","3","4","6","3","5","5","1") = "5"
    & skf21("6","3","4","6","3","5","6","1") = "5"
    & skf21("6","3","4","6","3","5","7","1") = "6"
    & skf21("6","3","4","6","3","6","1","1") = "5"
    & skf21("6","3","4","6","3","6","2","1") = "5"
    & skf21("6","3","4","6","3","6","3","1") = "5"
    & skf21("6","3","4","6","3","6","4","1") = "5"
    & skf21("6","3","4","6","3","6","5","1") = "5"
    & skf21("6","3","4","6","3","6","6","1") = "5"
    & skf21("6","3","4","6","3","6","7","1") = "6"
    & skf21("6","3","4","6","3","7","1","1") = "6"
    & skf21("6","3","4","6","3","7","2","1") = "6"
    & skf21("6","3","4","6","3","7","3","1") = "6"
    & skf21("6","3","4","6","3","7","4","1") = "6"
    & skf21("6","3","4","6","3","7","5","1") = "6"
    & skf21("6","3","4","6","3","7","6","1") = "6"
    & skf21("6","3","4","6","3","7","7","1") = "6"
    & skf21("6","3","4","6","4","1","1","1") = "5"
    & skf21("6","3","4","6","4","1","2","1") = "5"
    & skf21("6","3","4","6","4","1","3","1") = "5"
    & skf21("6","3","4","6","4","1","4","1") = "5"
    & skf21("6","3","4","6","4","1","5","1") = "5"
    & skf21("6","3","4","6","4","1","6","1") = "5"
    & skf21("6","3","4","6","4","1","7","1") = "6"
    & skf21("6","3","4","6","4","2","1","1") = "5"
    & skf21("6","3","4","6","4","2","2","1") = "5"
    & skf21("6","3","4","6","4","2","3","1") = "5"
    & skf21("6","3","4","6","4","2","4","1") = "5"
    & skf21("6","3","4","6","4","2","5","1") = "5"
    & skf21("6","3","4","6","4","2","6","1") = "5"
    & skf21("6","3","4","6","4","2","7","1") = "6"
    & skf21("6","3","4","6","4","3","1","1") = "5"
    & skf21("6","3","4","6","4","3","2","1") = "5"
    & skf21("6","3","4","6","4","3","3","1") = "5"
    & skf21("6","3","4","6","4","3","4","1") = "5"
    & skf21("6","3","4","6","4","3","5","1") = "5"
    & skf21("6","3","4","6","4","3","6","1") = "5"
    & skf21("6","3","4","6","4","3","7","1") = "6"
    & skf21("6","3","4","6","4","4","1","1") = "5"
    & skf21("6","3","4","6","4","4","2","1") = "5"
    & skf21("6","3","4","6","4","4","3","1") = "5"
    & skf21("6","3","4","6","4","4","4","1") = "5"
    & skf21("6","3","4","6","4","4","5","1") = "5"
    & skf21("6","3","4","6","4","4","6","1") = "5"
    & skf21("6","3","4","6","4","4","7","1") = "6"
    & skf21("6","3","4","6","4","5","1","1") = "5"
    & skf21("6","3","4","6","4","5","2","1") = "5"
    & skf21("6","3","4","6","4","5","3","1") = "5"
    & skf21("6","3","4","6","4","5","4","1") = "5"
    & skf21("6","3","4","6","4","5","5","1") = "5"
    & skf21("6","3","4","6","4","5","6","1") = "5"
    & skf21("6","3","4","6","4","5","7","1") = "6"
    & skf21("6","3","4","6","4","6","1","1") = "5"
    & skf21("6","3","4","6","4","6","2","1") = "5"
    & skf21("6","3","4","6","4","6","3","1") = "5"
    & skf21("6","3","4","6","4","6","4","1") = "5"
    & skf21("6","3","4","6","4","6","5","1") = "5"
    & skf21("6","3","4","6","4","6","6","1") = "5"
    & skf21("6","3","4","6","4","6","7","1") = "6"
    & skf21("6","3","4","6","4","7","1","1") = "6"
    & skf21("6","3","4","6","4","7","2","1") = "6"
    & skf21("6","3","4","6","4","7","3","1") = "6"
    & skf21("6","3","4","6","4","7","4","1") = "6"
    & skf21("6","3","4","6","4","7","5","1") = "6"
    & skf21("6","3","4","6","4","7","6","1") = "6"
    & skf21("6","3","4","6","4","7","7","1") = "6"
    & skf21("6","3","4","6","5","1","1","1") = "5"
    & skf21("6","3","4","6","5","1","2","1") = "5"
    & skf21("6","3","4","6","5","1","3","1") = "5"
    & skf21("6","3","4","6","5","1","4","1") = "5"
    & skf21("6","3","4","6","5","1","5","1") = "5"
    & skf21("6","3","4","6","5","1","6","1") = "5"
    & skf21("6","3","4","6","5","1","7","1") = "6"
    & skf21("6","3","4","6","5","2","1","1") = "5"
    & skf21("6","3","4","6","5","2","2","1") = "5"
    & skf21("6","3","4","6","5","2","3","1") = "5"
    & skf21("6","3","4","6","5","2","4","1") = "5"
    & skf21("6","3","4","6","5","2","5","1") = "5"
    & skf21("6","3","4","6","5","2","6","1") = "5"
    & skf21("6","3","4","6","5","2","7","1") = "6"
    & skf21("6","3","4","6","5","3","1","1") = "5"
    & skf21("6","3","4","6","5","3","2","1") = "5"
    & skf21("6","3","4","6","5","3","3","1") = "5"
    & skf21("6","3","4","6","5","3","4","1") = "5"
    & skf21("6","3","4","6","5","3","5","1") = "5"
    & skf21("6","3","4","6","5","3","6","1") = "5"
    & skf21("6","3","4","6","5","3","7","1") = "6"
    & skf21("6","3","4","6","5","4","1","1") = "5"
    & skf21("6","3","4","6","5","4","2","1") = "5"
    & skf21("6","3","4","6","5","4","3","1") = "5"
    & skf21("6","3","4","6","5","4","4","1") = "5"
    & skf21("6","3","4","6","5","4","5","1") = "5"
    & skf21("6","3","4","6","5","4","6","1") = "5"
    & skf21("6","3","4","6","5","4","7","1") = "6"
    & skf21("6","3","4","6","5","5","1","1") = "5"
    & skf21("6","3","4","6","5","5","2","1") = "5"
    & skf21("6","3","4","6","5","5","3","1") = "5"
    & skf21("6","3","4","6","5","5","4","1") = "5"
    & skf21("6","3","4","6","5","5","5","1") = "5"
    & skf21("6","3","4","6","5","5","6","1") = "5"
    & skf21("6","3","4","6","5","5","7","1") = "6"
    & skf21("6","3","4","6","5","6","1","1") = "5"
    & skf21("6","3","4","6","5","6","2","1") = "5"
    & skf21("6","3","4","6","5","6","3","1") = "5"
    & skf21("6","3","4","6","5","6","4","1") = "5"
    & skf21("6","3","4","6","5","6","5","1") = "5"
    & skf21("6","3","4","6","5","6","6","1") = "5"
    & skf21("6","3","4","6","5","6","7","1") = "6"
    & skf21("6","3","4","6","5","7","1","1") = "6"
    & skf21("6","3","4","6","5","7","2","1") = "6"
    & skf21("6","3","4","6","5","7","3","1") = "6"
    & skf21("6","3","4","6","5","7","4","1") = "6"
    & skf21("6","3","4","6","5","7","5","1") = "6"
    & skf21("6","3","4","6","5","7","6","1") = "6"
    & skf21("6","3","4","6","5","7","7","1") = "6"
    & skf21("6","3","4","6","6","1","1","1") = "5"
    & skf21("6","3","4","6","6","1","2","1") = "5"
    & skf21("6","3","4","6","6","1","3","1") = "5"
    & skf21("6","3","4","6","6","1","4","1") = "5"
    & skf21("6","3","4","6","6","1","5","1") = "5"
    & skf21("6","3","4","6","6","1","6","1") = "5"
    & skf21("6","3","4","6","6","1","7","1") = "6"
    & skf21("6","3","4","6","6","2","1","1") = "5"
    & skf21("6","3","4","6","6","2","2","1") = "5"
    & skf21("6","3","4","6","6","2","3","1") = "5"
    & skf21("6","3","4","6","6","2","4","1") = "5"
    & skf21("6","3","4","6","6","2","5","1") = "5"
    & skf21("6","3","4","6","6","2","6","1") = "5"
    & skf21("6","3","4","6","6","2","7","1") = "6"
    & skf21("6","3","4","6","6","3","1","1") = "5"
    & skf21("6","3","4","6","6","3","2","1") = "5"
    & skf21("6","3","4","6","6","3","3","1") = "5"
    & skf21("6","3","4","6","6","3","4","1") = "5"
    & skf21("6","3","4","6","6","3","5","1") = "5"
    & skf21("6","3","4","6","6","3","6","1") = "5"
    & skf21("6","3","4","6","6","3","7","1") = "6"
    & skf21("6","3","4","6","6","4","1","1") = "5"
    & skf21("6","3","4","6","6","4","2","1") = "5"
    & skf21("6","3","4","6","6","4","3","1") = "5"
    & skf21("6","3","4","6","6","4","4","1") = "5"
    & skf21("6","3","4","6","6","4","5","1") = "5"
    & skf21("6","3","4","6","6","4","6","1") = "5"
    & skf21("6","3","4","6","6","4","7","1") = "6"
    & skf21("6","3","4","6","6","5","1","1") = "5"
    & skf21("6","3","4","6","6","5","2","1") = "5"
    & skf21("6","3","4","6","6","5","3","1") = "5"
    & skf21("6","3","4","6","6","5","4","1") = "5"
    & skf21("6","3","4","6","6","5","5","1") = "5"
    & skf21("6","3","4","6","6","5","6","1") = "5"
    & skf21("6","3","4","6","6","5","7","1") = "6"
    & skf21("6","3","4","6","6","6","1","1") = "5"
    & skf21("6","3","4","6","6","6","2","1") = "5"
    & skf21("6","3","4","6","6","6","3","1") = "5"
    & skf21("6","3","4","6","6","6","4","1") = "5"
    & skf21("6","3","4","6","6","6","5","1") = "5"
    & skf21("6","3","4","6","6","6","6","1") = "5"
    & skf21("6","3","4","6","6","6","7","1") = "6"
    & skf21("6","3","4","6","6","7","1","1") = "6"
    & skf21("6","3","4","6","6","7","2","1") = "6"
    & skf21("6","3","4","6","6","7","3","1") = "6"
    & skf21("6","3","4","6","6","7","4","1") = "6"
    & skf21("6","3","4","6","6","7","5","1") = "6"
    & skf21("6","3","4","6","6","7","6","1") = "6"
    & skf21("6","3","4","6","6","7","7","1") = "6"
    & skf21("6","3","4","6","7","1","1","1") = "6"
    & skf21("6","3","4","6","7","1","2","1") = "6"
    & skf21("6","3","4","6","7","1","3","1") = "6"
    & skf21("6","3","4","6","7","1","4","1") = "6"
    & skf21("6","3","4","6","7","1","5","1") = "6"
    & skf21("6","3","4","6","7","1","6","1") = "6"
    & skf21("6","3","4","6","7","1","7","1") = "6"
    & skf21("6","3","4","6","7","2","1","1") = "6"
    & skf21("6","3","4","6","7","2","2","1") = "6"
    & skf21("6","3","4","6","7","2","3","1") = "6"
    & skf21("6","3","4","6","7","2","4","1") = "6"
    & skf21("6","3","4","6","7","2","5","1") = "6"
    & skf21("6","3","4","6","7","2","6","1") = "6"
    & skf21("6","3","4","6","7","2","7","1") = "6"
    & skf21("6","3","4","6","7","3","1","1") = "6"
    & skf21("6","3","4","6","7","3","2","1") = "6"
    & skf21("6","3","4","6","7","3","3","1") = "6"
    & skf21("6","3","4","6","7","3","4","1") = "6"
    & skf21("6","3","4","6","7","3","5","1") = "6"
    & skf21("6","3","4","6","7","3","6","1") = "6"
    & skf21("6","3","4","6","7","3","7","1") = "6"
    & skf21("6","3","4","6","7","4","1","1") = "6"
    & skf21("6","3","4","6","7","4","2","1") = "6"
    & skf21("6","3","4","6","7","4","3","1") = "6"
    & skf21("6","3","4","6","7","4","4","1") = "6"
    & skf21("6","3","4","6","7","4","5","1") = "6"
    & skf21("6","3","4","6","7","4","6","1") = "6"
    & skf21("6","3","4","6","7","4","7","1") = "6"
    & skf21("6","3","4","6","7","5","1","1") = "6"
    & skf21("6","3","4","6","7","5","2","1") = "6"
    & skf21("6","3","4","6","7","5","3","1") = "6"
    & skf21("6","3","4","6","7","5","4","1") = "6"
    & skf21("6","3","4","6","7","5","5","1") = "6"
    & skf21("6","3","4","6","7","5","6","1") = "6"
    & skf21("6","3","4","6","7","5","7","1") = "6"
    & skf21("6","3","4","6","7","6","1","1") = "6"
    & skf21("6","3","4","6","7","6","2","1") = "6"
    & skf21("6","3","4","6","7","6","3","1") = "6"
    & skf21("6","3","4","6","7","6","4","1") = "6"
    & skf21("6","3","4","6","7","6","5","1") = "6"
    & skf21("6","3","4","6","7","6","6","1") = "6"
    & skf21("6","3","4","6","7","6","7","1") = "6"
    & skf21("6","3","4","6","7","7","1","1") = "6"
    & skf21("6","3","4","6","7","7","2","1") = "6"
    & skf21("6","3","4","6","7","7","3","1") = "6"
    & skf21("6","3","4","6","7","7","4","1") = "6"
    & skf21("6","3","4","6","7","7","5","1") = "6"
    & skf21("6","3","4","6","7","7","6","1") = "6"
    & skf21("6","3","4","6","7","7","7","1") = "6"
    & skf21("6","3","4","7","1","1","1","1") = "6"
    & skf21("6","3","4","7","1","1","2","1") = "6"
    & skf21("6","3","4","7","1","1","3","1") = "6"
    & skf21("6","3","4","7","1","1","4","1") = "6"
    & skf21("6","3","4","7","1","1","5","1") = "6"
    & skf21("6","3","4","7","1","1","6","1") = "6"
    & skf21("6","3","4","7","1","1","7","1") = "6"
    & skf21("6","3","4","7","1","2","1","1") = "6"
    & skf21("6","3","4","7","1","2","2","1") = "6"
    & skf21("6","3","4","7","1","2","3","1") = "6"
    & skf21("6","3","4","7","1","2","4","1") = "6"
    & skf21("6","3","4","7","1","2","5","1") = "6"
    & skf21("6","3","4","7","1","2","6","1") = "6"
    & skf21("6","3","4","7","1","2","7","1") = "6"
    & skf21("6","3","4","7","1","3","1","1") = "6"
    & skf21("6","3","4","7","1","3","2","1") = "6"
    & skf21("6","3","4","7","1","3","3","1") = "6"
    & skf21("6","3","4","7","1","3","4","1") = "6"
    & skf21("6","3","4","7","1","3","5","1") = "6"
    & skf21("6","3","4","7","1","3","6","1") = "6"
    & skf21("6","3","4","7","1","3","7","1") = "6"
    & skf21("6","3","4","7","1","4","1","1") = "6"
    & skf21("6","3","4","7","1","4","2","1") = "6"
    & skf21("6","3","4","7","1","4","3","1") = "6"
    & skf21("6","3","4","7","1","4","4","1") = "6"
    & skf21("6","3","4","7","1","4","5","1") = "6"
    & skf21("6","3","4","7","1","4","6","1") = "6"
    & skf21("6","3","4","7","1","4","7","1") = "6"
    & skf21("6","3","4","7","1","5","1","1") = "6"
    & skf21("6","3","4","7","1","5","2","1") = "6"
    & skf21("6","3","4","7","1","5","3","1") = "6"
    & skf21("6","3","4","7","1","5","4","1") = "6"
    & skf21("6","3","4","7","1","5","5","1") = "6"
    & skf21("6","3","4","7","1","5","6","1") = "6"
    & skf21("6","3","4","7","1","5","7","1") = "6"
    & skf21("6","3","4","7","1","6","1","1") = "6"
    & skf21("6","3","4","7","1","6","2","1") = "6"
    & skf21("6","3","4","7","1","6","3","1") = "6"
    & skf21("6","3","4","7","1","6","4","1") = "6"
    & skf21("6","3","4","7","1","6","5","1") = "6"
    & skf21("6","3","4","7","1","6","6","1") = "6"
    & skf21("6","3","4","7","1","6","7","1") = "6"
    & skf21("6","3","4","7","1","7","1","1") = "6"
    & skf21("6","3","4","7","1","7","2","1") = "6"
    & skf21("6","3","4","7","1","7","3","1") = "6"
    & skf21("6","3","4","7","1","7","4","1") = "6"
    & skf21("6","3","4","7","1","7","5","1") = "6"
    & skf21("6","3","4","7","1","7","6","1") = "6"
    & skf21("6","3","4","7","1","7","7","1") = "6"
    & skf21("6","3","4","7","2","1","1","1") = "6"
    & skf21("6","3","4","7","2","1","2","1") = "6"
    & skf21("6","3","4","7","2","1","3","1") = "6"
    & skf21("6","3","4","7","2","1","4","1") = "6"
    & skf21("6","3","4","7","2","1","5","1") = "6"
    & skf21("6","3","4","7","2","1","6","1") = "6"
    & skf21("6","3","4","7","2","1","7","1") = "6"
    & skf21("6","3","4","7","2","2","1","1") = "6"
    & skf21("6","3","4","7","2","2","2","1") = "6"
    & skf21("6","3","4","7","2","2","3","1") = "6"
    & skf21("6","3","4","7","2","2","4","1") = "6"
    & skf21("6","3","4","7","2","2","5","1") = "6"
    & skf21("6","3","4","7","2","2","6","1") = "6"
    & skf21("6","3","4","7","2","2","7","1") = "6"
    & skf21("6","3","4","7","2","3","1","1") = "6"
    & skf21("6","3","4","7","2","3","2","1") = "6"
    & skf21("6","3","4","7","2","3","3","1") = "6"
    & skf21("6","3","4","7","2","3","4","1") = "6"
    & skf21("6","3","4","7","2","3","5","1") = "6"
    & skf21("6","3","4","7","2","3","6","1") = "6"
    & skf21("6","3","4","7","2","3","7","1") = "6"
    & skf21("6","3","4","7","2","4","1","1") = "6"
    & skf21("6","3","4","7","2","4","2","1") = "6"
    & skf21("6","3","4","7","2","4","3","1") = "6"
    & skf21("6","3","4","7","2","4","4","1") = "6"
    & skf21("6","3","4","7","2","4","5","1") = "6"
    & skf21("6","3","4","7","2","4","6","1") = "6"
    & skf21("6","3","4","7","2","4","7","1") = "6"
    & skf21("6","3","4","7","2","5","1","1") = "6"
    & skf21("6","3","4","7","2","5","2","1") = "6"
    & skf21("6","3","4","7","2","5","3","1") = "6"
    & skf21("6","3","4","7","2","5","4","1") = "6"
    & skf21("6","3","4","7","2","5","5","1") = "6"
    & skf21("6","3","4","7","2","5","6","1") = "6"
    & skf21("6","3","4","7","2","5","7","1") = "6"
    & skf21("6","3","4","7","2","6","1","1") = "6"
    & skf21("6","3","4","7","2","6","2","1") = "6"
    & skf21("6","3","4","7","2","6","3","1") = "6"
    & skf21("6","3","4","7","2","6","4","1") = "6"
    & skf21("6","3","4","7","2","6","5","1") = "6"
    & skf21("6","3","4","7","2","6","6","1") = "6"
    & skf21("6","3","4","7","2","6","7","1") = "6"
    & skf21("6","3","4","7","2","7","1","1") = "6"
    & skf21("6","3","4","7","2","7","2","1") = "6"
    & skf21("6","3","4","7","2","7","3","1") = "6"
    & skf21("6","3","4","7","2","7","4","1") = "6"
    & skf21("6","3","4","7","2","7","5","1") = "6"
    & skf21("6","3","4","7","2","7","6","1") = "6"
    & skf21("6","3","4","7","2","7","7","1") = "6"
    & skf21("6","3","4","7","3","1","1","1") = "6"
    & skf21("6","3","4","7","3","1","2","1") = "6"
    & skf21("6","3","4","7","3","1","3","1") = "6"
    & skf21("6","3","4","7","3","1","4","1") = "6"
    & skf21("6","3","4","7","3","1","5","1") = "6"
    & skf21("6","3","4","7","3","1","6","1") = "6"
    & skf21("6","3","4","7","3","1","7","1") = "6"
    & skf21("6","3","4","7","3","2","1","1") = "6"
    & skf21("6","3","4","7","3","2","2","1") = "6"
    & skf21("6","3","4","7","3","2","3","1") = "6"
    & skf21("6","3","4","7","3","2","4","1") = "6"
    & skf21("6","3","4","7","3","2","5","1") = "6"
    & skf21("6","3","4","7","3","2","6","1") = "6"
    & skf21("6","3","4","7","3","2","7","1") = "6"
    & skf21("6","3","4","7","3","3","1","1") = "6"
    & skf21("6","3","4","7","3","3","2","1") = "6"
    & skf21("6","3","4","7","3","3","3","1") = "6"
    & skf21("6","3","4","7","3","3","4","1") = "6"
    & skf21("6","3","4","7","3","3","5","1") = "6"
    & skf21("6","3","4","7","3","3","6","1") = "6"
    & skf21("6","3","4","7","3","3","7","1") = "6"
    & skf21("6","3","4","7","3","4","1","1") = "6"
    & skf21("6","3","4","7","3","4","2","1") = "6"
    & skf21("6","3","4","7","3","4","3","1") = "6"
    & skf21("6","3","4","7","3","4","4","1") = "6"
    & skf21("6","3","4","7","3","4","5","1") = "6"
    & skf21("6","3","4","7","3","4","6","1") = "6"
    & skf21("6","3","4","7","3","4","7","1") = "6"
    & skf21("6","3","4","7","3","5","1","1") = "6"
    & skf21("6","3","4","7","3","5","2","1") = "6"
    & skf21("6","3","4","7","3","5","3","1") = "6"
    & skf21("6","3","4","7","3","5","4","1") = "6"
    & skf21("6","3","4","7","3","5","5","1") = "6"
    & skf21("6","3","4","7","3","5","6","1") = "6"
    & skf21("6","3","4","7","3","5","7","1") = "6"
    & skf21("6","3","4","7","3","6","1","1") = "6"
    & skf21("6","3","4","7","3","6","2","1") = "6"
    & skf21("6","3","4","7","3","6","3","1") = "6"
    & skf21("6","3","4","7","3","6","4","1") = "6"
    & skf21("6","3","4","7","3","6","5","1") = "6"
    & skf21("6","3","4","7","3","6","6","1") = "6"
    & skf21("6","3","4","7","3","6","7","1") = "6"
    & skf21("6","3","4","7","3","7","1","1") = "6"
    & skf21("6","3","4","7","3","7","2","1") = "6"
    & skf21("6","3","4","7","3","7","3","1") = "6"
    & skf21("6","3","4","7","3","7","4","1") = "6"
    & skf21("6","3","4","7","3","7","5","1") = "6"
    & skf21("6","3","4","7","3","7","6","1") = "6"
    & skf21("6","3","4","7","3","7","7","1") = "6"
    & skf21("6","3","4","7","4","1","1","1") = "6"
    & skf21("6","3","4","7","4","1","2","1") = "6"
    & skf21("6","3","4","7","4","1","3","1") = "6"
    & skf21("6","3","4","7","4","1","4","1") = "6"
    & skf21("6","3","4","7","4","1","5","1") = "6"
    & skf21("6","3","4","7","4","1","6","1") = "6"
    & skf21("6","3","4","7","4","1","7","1") = "6"
    & skf21("6","3","4","7","4","2","1","1") = "6"
    & skf21("6","3","4","7","4","2","2","1") = "6"
    & skf21("6","3","4","7","4","2","3","1") = "6"
    & skf21("6","3","4","7","4","2","4","1") = "6"
    & skf21("6","3","4","7","4","2","5","1") = "6"
    & skf21("6","3","4","7","4","2","6","1") = "6"
    & skf21("6","3","4","7","4","2","7","1") = "6"
    & skf21("6","3","4","7","4","3","1","1") = "6"
    & skf21("6","3","4","7","4","3","2","1") = "6"
    & skf21("6","3","4","7","4","3","3","1") = "6"
    & skf21("6","3","4","7","4","3","4","1") = "6"
    & skf21("6","3","4","7","4","3","5","1") = "6"
    & skf21("6","3","4","7","4","3","6","1") = "6"
    & skf21("6","3","4","7","4","3","7","1") = "6"
    & skf21("6","3","4","7","4","4","1","1") = "6"
    & skf21("6","3","4","7","4","4","2","1") = "6"
    & skf21("6","3","4","7","4","4","3","1") = "6"
    & skf21("6","3","4","7","4","4","4","1") = "6"
    & skf21("6","3","4","7","4","4","5","1") = "6"
    & skf21("6","3","4","7","4","4","6","1") = "6"
    & skf21("6","3","4","7","4","4","7","1") = "6"
    & skf21("6","3","4","7","4","5","1","1") = "6"
    & skf21("6","3","4","7","4","5","2","1") = "6"
    & skf21("6","3","4","7","4","5","3","1") = "6"
    & skf21("6","3","4","7","4","5","4","1") = "6"
    & skf21("6","3","4","7","4","5","5","1") = "6"
    & skf21("6","3","4","7","4","5","6","1") = "6"
    & skf21("6","3","4","7","4","5","7","1") = "6"
    & skf21("6","3","4","7","4","6","1","1") = "6"
    & skf21("6","3","4","7","4","6","2","1") = "6"
    & skf21("6","3","4","7","4","6","3","1") = "6"
    & skf21("6","3","4","7","4","6","4","1") = "6"
    & skf21("6","3","4","7","4","6","5","1") = "6"
    & skf21("6","3","4","7","4","6","6","1") = "6"
    & skf21("6","3","4","7","4","6","7","1") = "6"
    & skf21("6","3","4","7","4","7","1","1") = "6"
    & skf21("6","3","4","7","4","7","2","1") = "6"
    & skf21("6","3","4","7","4","7","3","1") = "6"
    & skf21("6","3","4","7","4","7","4","1") = "6"
    & skf21("6","3","4","7","4","7","5","1") = "6"
    & skf21("6","3","4","7","4","7","6","1") = "6"
    & skf21("6","3","4","7","4","7","7","1") = "6"
    & skf21("6","3","4","7","5","1","1","1") = "6"
    & skf21("6","3","4","7","5","1","2","1") = "6"
    & skf21("6","3","4","7","5","1","3","1") = "6"
    & skf21("6","3","4","7","5","1","4","1") = "6"
    & skf21("6","3","4","7","5","1","5","1") = "6"
    & skf21("6","3","4","7","5","1","6","1") = "6"
    & skf21("6","3","4","7","5","1","7","1") = "6"
    & skf21("6","3","4","7","5","2","1","1") = "6"
    & skf21("6","3","4","7","5","2","2","1") = "6"
    & skf21("6","3","4","7","5","2","3","1") = "6"
    & skf21("6","3","4","7","5","2","4","1") = "6"
    & skf21("6","3","4","7","5","2","5","1") = "6"
    & skf21("6","3","4","7","5","2","6","1") = "6"
    & skf21("6","3","4","7","5","2","7","1") = "6"
    & skf21("6","3","4","7","5","3","1","1") = "6"
    & skf21("6","3","4","7","5","3","2","1") = "6"
    & skf21("6","3","4","7","5","3","3","1") = "6"
    & skf21("6","3","4","7","5","3","4","1") = "6"
    & skf21("6","3","4","7","5","3","5","1") = "6"
    & skf21("6","3","4","7","5","3","6","1") = "6"
    & skf21("6","3","4","7","5","3","7","1") = "6"
    & skf21("6","3","4","7","5","4","1","1") = "6"
    & skf21("6","3","4","7","5","4","2","1") = "6"
    & skf21("6","3","4","7","5","4","3","1") = "6"
    & skf21("6","3","4","7","5","4","4","1") = "6"
    & skf21("6","3","4","7","5","4","5","1") = "6"
    & skf21("6","3","4","7","5","4","6","1") = "6"
    & skf21("6","3","4","7","5","4","7","1") = "6"
    & skf21("6","3","4","7","5","5","1","1") = "6"
    & skf21("6","3","4","7","5","5","2","1") = "6"
    & skf21("6","3","4","7","5","5","3","1") = "6"
    & skf21("6","3","4","7","5","5","4","1") = "6"
    & skf21("6","3","4","7","5","5","5","1") = "6"
    & skf21("6","3","4","7","5","5","6","1") = "6"
    & skf21("6","3","4","7","5","5","7","1") = "6"
    & skf21("6","3","4","7","5","6","1","1") = "6"
    & skf21("6","3","4","7","5","6","2","1") = "6"
    & skf21("6","3","4","7","5","6","3","1") = "6"
    & skf21("6","3","4","7","5","6","4","1") = "6"
    & skf21("6","3","4","7","5","6","5","1") = "6"
    & skf21("6","3","4","7","5","6","6","1") = "6"
    & skf21("6","3","4","7","5","6","7","1") = "6"
    & skf21("6","3","4","7","5","7","1","1") = "6"
    & skf21("6","3","4","7","5","7","2","1") = "6"
    & skf21("6","3","4","7","5","7","3","1") = "6"
    & skf21("6","3","4","7","5","7","4","1") = "6"
    & skf21("6","3","4","7","5","7","5","1") = "6"
    & skf21("6","3","4","7","5","7","6","1") = "6"
    & skf21("6","3","4","7","5","7","7","1") = "6"
    & skf21("6","3","4","7","6","1","1","1") = "6"
    & skf21("6","3","4","7","6","1","2","1") = "6"
    & skf21("6","3","4","7","6","1","3","1") = "6"
    & skf21("6","3","4","7","6","1","4","1") = "6"
    & skf21("6","3","4","7","6","1","5","1") = "6"
    & skf21("6","3","4","7","6","1","6","1") = "6"
    & skf21("6","3","4","7","6","1","7","1") = "6"
    & skf21("6","3","4","7","6","2","1","1") = "6"
    & skf21("6","3","4","7","6","2","2","1") = "6"
    & skf21("6","3","4","7","6","2","3","1") = "6"
    & skf21("6","3","4","7","6","2","4","1") = "6"
    & skf21("6","3","4","7","6","2","5","1") = "6"
    & skf21("6","3","4","7","6","2","6","1") = "6"
    & skf21("6","3","4","7","6","2","7","1") = "6"
    & skf21("6","3","4","7","6","3","1","1") = "6"
    & skf21("6","3","4","7","6","3","2","1") = "6"
    & skf21("6","3","4","7","6","3","3","1") = "6"
    & skf21("6","3","4","7","6","3","4","1") = "6"
    & skf21("6","3","4","7","6","3","5","1") = "6"
    & skf21("6","3","4","7","6","3","6","1") = "6"
    & skf21("6","3","4","7","6","3","7","1") = "6"
    & skf21("6","3","4","7","6","4","1","1") = "6"
    & skf21("6","3","4","7","6","4","2","1") = "6"
    & skf21("6","3","4","7","6","4","3","1") = "6"
    & skf21("6","3","4","7","6","4","4","1") = "6"
    & skf21("6","3","4","7","6","4","5","1") = "6"
    & skf21("6","3","4","7","6","4","6","1") = "6"
    & skf21("6","3","4","7","6","4","7","1") = "6"
    & skf21("6","3","4","7","6","5","1","1") = "6"
    & skf21("6","3","4","7","6","5","2","1") = "6"
    & skf21("6","3","4","7","6","5","3","1") = "6"
    & skf21("6","3","4","7","6","5","4","1") = "6"
    & skf21("6","3","4","7","6","5","5","1") = "6"
    & skf21("6","3","4","7","6","5","6","1") = "6"
    & skf21("6","3","4","7","6","5","7","1") = "6"
    & skf21("6","3","4","7","6","6","1","1") = "6"
    & skf21("6","3","4","7","6","6","2","1") = "6"
    & skf21("6","3","4","7","6","6","3","1") = "6"
    & skf21("6","3","4","7","6","6","4","1") = "6"
    & skf21("6","3","4","7","6","6","5","1") = "6"
    & skf21("6","3","4","7","6","6","6","1") = "6"
    & skf21("6","3","4","7","6","6","7","1") = "6"
    & skf21("6","3","4","7","6","7","1","1") = "6"
    & skf21("6","3","4","7","6","7","2","1") = "6"
    & skf21("6","3","4","7","6","7","3","1") = "6"
    & skf21("6","3","4","7","6","7","4","1") = "6"
    & skf21("6","3","4","7","6","7","5","1") = "6"
    & skf21("6","3","4","7","6","7","6","1") = "6"
    & skf21("6","3","4","7","6","7","7","1") = "6"
    & skf21("6","3","4","7","7","1","1","1") = "6"
    & skf21("6","3","4","7","7","1","2","1") = "6"
    & skf21("6","3","4","7","7","1","3","1") = "6"
    & skf21("6","3","4","7","7","1","4","1") = "6"
    & skf21("6","3","4","7","7","1","5","1") = "6"
    & skf21("6","3","4","7","7","1","6","1") = "6"
    & skf21("6","3","4","7","7","1","7","1") = "6"
    & skf21("6","3","4","7","7","2","1","1") = "6"
    & skf21("6","3","4","7","7","2","2","1") = "6"
    & skf21("6","3","4","7","7","2","3","1") = "6"
    & skf21("6","3","4","7","7","2","4","1") = "6"
    & skf21("6","3","4","7","7","2","5","1") = "6"
    & skf21("6","3","4","7","7","2","6","1") = "6"
    & skf21("6","3","4","7","7","2","7","1") = "6"
    & skf21("6","3","4","7","7","3","1","1") = "6"
    & skf21("6","3","4","7","7","3","2","1") = "6"
    & skf21("6","3","4","7","7","3","3","1") = "6"
    & skf21("6","3","4","7","7","3","4","1") = "6"
    & skf21("6","3","4","7","7","3","5","1") = "6"
    & skf21("6","3","4","7","7","3","6","1") = "6"
    & skf21("6","3","4","7","7","3","7","1") = "6"
    & skf21("6","3","4","7","7","4","1","1") = "6"
    & skf21("6","3","4","7","7","4","2","1") = "6"
    & skf21("6","3","4","7","7","4","3","1") = "6"
    & skf21("6","3","4","7","7","4","4","1") = "6"
    & skf21("6","3","4","7","7","4","5","1") = "6"
    & skf21("6","3","4","7","7","4","6","1") = "6"
    & skf21("6","3","4","7","7","4","7","1") = "6"
    & skf21("6","3","4","7","7","5","1","1") = "6"
    & skf21("6","3","4","7","7","5","2","1") = "6"
    & skf21("6","3","4","7","7","5","3","1") = "6"
    & skf21("6","3","4","7","7","5","4","1") = "6"
    & skf21("6","3","4","7","7","5","5","1") = "6"
    & skf21("6","3","4","7","7","5","6","1") = "6"
    & skf21("6","3","4","7","7","5","7","1") = "6"
    & skf21("6","3","4","7","7","6","1","1") = "6"
    & skf21("6","3","4","7","7","6","2","1") = "6"
    & skf21("6","3","4","7","7","6","3","1") = "6"
    & skf21("6","3","4","7","7","6","4","1") = "6"
    & skf21("6","3","4","7","7","6","5","1") = "6"
    & skf21("6","3","4","7","7","6","6","1") = "6"
    & skf21("6","3","4","7","7","6","7","1") = "6"
    & skf21("6","3","4","7","7","7","1","1") = "6"
    & skf21("6","3","4","7","7","7","2","1") = "6"
    & skf21("6","3","4","7","7","7","3","1") = "6"
    & skf21("6","3","4","7","7","7","4","1") = "6"
    & skf21("6","3","4","7","7","7","5","1") = "6"
    & skf21("6","3","4","7","7","7","6","1") = "6"
    & skf21("6","3","4","7","7","7","7","1") = "6"
    & skf21("6","3","5","1","1","1","1","1") = "5"
    & skf21("6","3","5","1","1","1","2","1") = "5"
    & skf21("6","3","5","1","1","1","3","1") = "5"
    & skf21("6","3","5","1","1","1","4","1") = "5"
    & skf21("6","3","5","1","1","1","5","1") = "5"
    & skf21("6","3","5","1","1","1","6","1") = "5"
    & skf21("6","3","5","1","1","1","7","1") = "6"
    & skf21("6","3","5","1","1","2","1","1") = "5"
    & skf21("6","3","5","1","1","2","2","1") = "5"
    & skf21("6","3","5","1","1","2","3","1") = "5"
    & skf21("6","3","5","1","1","2","4","1") = "5"
    & skf21("6","3","5","1","1","2","5","1") = "5"
    & skf21("6","3","5","1","1","2","6","1") = "5"
    & skf21("6","3","5","1","1","2","7","1") = "6"
    & skf21("6","3","5","1","1","3","1","1") = "5"
    & skf21("6","3","5","1","1","3","2","1") = "5"
    & skf21("6","3","5","1","1","3","3","1") = "5"
    & skf21("6","3","5","1","1","3","4","1") = "5"
    & skf21("6","3","5","1","1","3","5","1") = "5"
    & skf21("6","3","5","1","1","3","6","1") = "5"
    & skf21("6","3","5","1","1","3","7","1") = "6"
    & skf21("6","3","5","1","1","4","1","1") = "5"
    & skf21("6","3","5","1","1","4","2","1") = "5"
    & skf21("6","3","5","1","1","4","3","1") = "5"
    & skf21("6","3","5","1","1","4","4","1") = "5"
    & skf21("6","3","5","1","1","4","5","1") = "5"
    & skf21("6","3","5","1","1","4","6","1") = "5"
    & skf21("6","3","5","1","1","4","7","1") = "6"
    & skf21("6","3","5","1","1","5","1","1") = "5"
    & skf21("6","3","5","1","1","5","2","1") = "5"
    & skf21("6","3","5","1","1","5","3","1") = "5"
    & skf21("6","3","5","1","1","5","4","1") = "5"
    & skf21("6","3","5","1","1","5","5","1") = "5"
    & skf21("6","3","5","1","1","5","6","1") = "5"
    & skf21("6","3","5","1","1","5","7","1") = "6"
    & skf21("6","3","5","1","1","6","1","1") = "5"
    & skf21("6","3","5","1","1","6","2","1") = "5"
    & skf21("6","3","5","1","1","6","3","1") = "5"
    & skf21("6","3","5","1","1","6","4","1") = "5"
    & skf21("6","3","5","1","1","6","5","1") = "5"
    & skf21("6","3","5","1","1","6","6","1") = "5"
    & skf21("6","3","5","1","1","6","7","1") = "6"
    & skf21("6","3","5","1","1","7","1","1") = "6"
    & skf21("6","3","5","1","1","7","2","1") = "6"
    & skf21("6","3","5","1","1","7","3","1") = "6"
    & skf21("6","3","5","1","1","7","4","1") = "6"
    & skf21("6","3","5","1","1","7","5","1") = "6"
    & skf21("6","3","5","1","1","7","6","1") = "6"
    & skf21("6","3","5","1","1","7","7","1") = "6"
    & skf21("6","3","5","1","2","1","1","1") = "5"
    & skf21("6","3","5","1","2","1","2","1") = "5"
    & skf21("6","3","5","1","2","1","3","1") = "5"
    & skf21("6","3","5","1","2","1","4","1") = "5"
    & skf21("6","3","5","1","2","1","5","1") = "5"
    & skf21("6","3","5","1","2","1","6","1") = "5"
    & skf21("6","3","5","1","2","1","7","1") = "6"
    & skf21("6","3","5","1","2","2","1","1") = "5"
    & skf21("6","3","5","1","2","2","2","1") = "5"
    & skf21("6","3","5","1","2","2","3","1") = "5"
    & skf21("6","3","5","1","2","2","4","1") = "5"
    & skf21("6","3","5","1","2","2","5","1") = "5"
    & skf21("6","3","5","1","2","2","6","1") = "5"
    & skf21("6","3","5","1","2","2","7","1") = "6"
    & skf21("6","3","5","1","2","3","1","1") = "5"
    & skf21("6","3","5","1","2","3","2","1") = "5"
    & skf21("6","3","5","1","2","3","3","1") = "5"
    & skf21("6","3","5","1","2","3","4","1") = "5"
    & skf21("6","3","5","1","2","3","5","1") = "5"
    & skf21("6","3","5","1","2","3","6","1") = "5"
    & skf21("6","3","5","1","2","3","7","1") = "6"
    & skf21("6","3","5","1","2","4","1","1") = "5"
    & skf21("6","3","5","1","2","4","2","1") = "5"
    & skf21("6","3","5","1","2","4","3","1") = "5"
    & skf21("6","3","5","1","2","4","4","1") = "5"
    & skf21("6","3","5","1","2","4","5","1") = "5"
    & skf21("6","3","5","1","2","4","6","1") = "5"
    & skf21("6","3","5","1","2","4","7","1") = "6"
    & skf21("6","3","5","1","2","5","1","1") = "5"
    & skf21("6","3","5","1","2","5","2","1") = "5"
    & skf21("6","3","5","1","2","5","3","1") = "5"
    & skf21("6","3","5","1","2","5","4","1") = "5"
    & skf21("6","3","5","1","2","5","5","1") = "5"
    & skf21("6","3","5","1","2","5","6","1") = "5"
    & skf21("6","3","5","1","2","5","7","1") = "6"
    & skf21("6","3","5","1","2","6","1","1") = "5"
    & skf21("6","3","5","1","2","6","2","1") = "5"
    & skf21("6","3","5","1","2","6","3","1") = "5"
    & skf21("6","3","5","1","2","6","4","1") = "5"
    & skf21("6","3","5","1","2","6","5","1") = "5"
    & skf21("6","3","5","1","2","6","6","1") = "5"
    & skf21("6","3","5","1","2","6","7","1") = "6"
    & skf21("6","3","5","1","2","7","1","1") = "6"
    & skf21("6","3","5","1","2","7","2","1") = "6"
    & skf21("6","3","5","1","2","7","3","1") = "6"
    & skf21("6","3","5","1","2","7","4","1") = "6"
    & skf21("6","3","5","1","2","7","5","1") = "6"
    & skf21("6","3","5","1","2","7","6","1") = "6"
    & skf21("6","3","5","1","2","7","7","1") = "6"
    & skf21("6","3","5","1","3","1","1","1") = "5"
    & skf21("6","3","5","1","3","1","2","1") = "5"
    & skf21("6","3","5","1","3","1","3","1") = "5"
    & skf21("6","3","5","1","3","1","4","1") = "5"
    & skf21("6","3","5","1","3","1","5","1") = "5"
    & skf21("6","3","5","1","3","1","6","1") = "5"
    & skf21("6","3","5","1","3","1","7","1") = "6"
    & skf21("6","3","5","1","3","2","1","1") = "5"
    & skf21("6","3","5","1","3","2","2","1") = "5"
    & skf21("6","3","5","1","3","2","3","1") = "5"
    & skf21("6","3","5","1","3","2","4","1") = "5"
    & skf21("6","3","5","1","3","2","5","1") = "5"
    & skf21("6","3","5","1","3","2","6","1") = "5"
    & skf21("6","3","5","1","3","2","7","1") = "6"
    & skf21("6","3","5","1","3","3","1","1") = "5"
    & skf21("6","3","5","1","3","3","2","1") = "5"
    & skf21("6","3","5","1","3","3","3","1") = "5"
    & skf21("6","3","5","1","3","3","4","1") = "5"
    & skf21("6","3","5","1","3","3","5","1") = "5"
    & skf21("6","3","5","1","3","3","6","1") = "5"
    & skf21("6","3","5","1","3","3","7","1") = "6"
    & skf21("6","3","5","1","3","4","1","1") = "5"
    & skf21("6","3","5","1","3","4","2","1") = "5"
    & skf21("6","3","5","1","3","4","3","1") = "5"
    & skf21("6","3","5","1","3","4","4","1") = "5"
    & skf21("6","3","5","1","3","4","5","1") = "5"
    & skf21("6","3","5","1","3","4","6","1") = "5"
    & skf21("6","3","5","1","3","4","7","1") = "6"
    & skf21("6","3","5","1","3","5","1","1") = "5"
    & skf21("6","3","5","1","3","5","2","1") = "5"
    & skf21("6","3","5","1","3","5","3","1") = "5"
    & skf21("6","3","5","1","3","5","4","1") = "5"
    & skf21("6","3","5","1","3","5","5","1") = "5"
    & skf21("6","3","5","1","3","5","6","1") = "5"
    & skf21("6","3","5","1","3","5","7","1") = "6"
    & skf21("6","3","5","1","3","6","1","1") = "5"
    & skf21("6","3","5","1","3","6","2","1") = "5"
    & skf21("6","3","5","1","3","6","3","1") = "5"
    & skf21("6","3","5","1","3","6","4","1") = "5"
    & skf21("6","3","5","1","3","6","5","1") = "5"
    & skf21("6","3","5","1","3","6","6","1") = "5"
    & skf21("6","3","5","1","3","6","7","1") = "6"
    & skf21("6","3","5","1","3","7","1","1") = "6"
    & skf21("6","3","5","1","3","7","2","1") = "6"
    & skf21("6","3","5","1","3","7","3","1") = "6"
    & skf21("6","3","5","1","3","7","4","1") = "6"
    & skf21("6","3","5","1","3","7","5","1") = "6"
    & skf21("6","3","5","1","3","7","6","1") = "6"
    & skf21("6","3","5","1","3","7","7","1") = "6"
    & skf21("6","3","5","1","4","1","1","1") = "5"
    & skf21("6","3","5","1","4","1","2","1") = "5"
    & skf21("6","3","5","1","4","1","3","1") = "5"
    & skf21("6","3","5","1","4","1","4","1") = "5"
    & skf21("6","3","5","1","4","1","5","1") = "5"
    & skf21("6","3","5","1","4","1","6","1") = "5"
    & skf21("6","3","5","1","4","1","7","1") = "6"
    & skf21("6","3","5","1","4","2","1","1") = "5"
    & skf21("6","3","5","1","4","2","2","1") = "5"
    & skf21("6","3","5","1","4","2","3","1") = "5"
    & skf21("6","3","5","1","4","2","4","1") = "5"
    & skf21("6","3","5","1","4","2","5","1") = "5"
    & skf21("6","3","5","1","4","2","6","1") = "5"
    & skf21("6","3","5","1","4","2","7","1") = "6"
    & skf21("6","3","5","1","4","3","1","1") = "5"
    & skf21("6","3","5","1","4","3","2","1") = "5"
    & skf21("6","3","5","1","4","3","3","1") = "5"
    & skf21("6","3","5","1","4","3","4","1") = "5"
    & skf21("6","3","5","1","4","3","5","1") = "5"
    & skf21("6","3","5","1","4","3","6","1") = "5"
    & skf21("6","3","5","1","4","3","7","1") = "6"
    & skf21("6","3","5","1","4","4","1","1") = "5"
    & skf21("6","3","5","1","4","4","2","1") = "5"
    & skf21("6","3","5","1","4","4","3","1") = "5"
    & skf21("6","3","5","1","4","4","4","1") = "5"
    & skf21("6","3","5","1","4","4","5","1") = "5"
    & skf21("6","3","5","1","4","4","6","1") = "5"
    & skf21("6","3","5","1","4","4","7","1") = "6"
    & skf21("6","3","5","1","4","5","1","1") = "5"
    & skf21("6","3","5","1","4","5","2","1") = "5"
    & skf21("6","3","5","1","4","5","3","1") = "5"
    & skf21("6","3","5","1","4","5","4","1") = "5"
    & skf21("6","3","5","1","4","5","5","1") = "5"
    & skf21("6","3","5","1","4","5","6","1") = "5"
    & skf21("6","3","5","1","4","5","7","1") = "6"
    & skf21("6","3","5","1","4","6","1","1") = "5"
    & skf21("6","3","5","1","4","6","2","1") = "5"
    & skf21("6","3","5","1","4","6","3","1") = "5"
    & skf21("6","3","5","1","4","6","4","1") = "5"
    & skf21("6","3","5","1","4","6","5","1") = "5"
    & skf21("6","3","5","1","4","6","6","1") = "5"
    & skf21("6","3","5","1","4","6","7","1") = "6"
    & skf21("6","3","5","1","4","7","1","1") = "6"
    & skf21("6","3","5","1","4","7","2","1") = "6"
    & skf21("6","3","5","1","4","7","3","1") = "6"
    & skf21("6","3","5","1","4","7","4","1") = "6"
    & skf21("6","3","5","1","4","7","5","1") = "6"
    & skf21("6","3","5","1","4","7","6","1") = "6"
    & skf21("6","3","5","1","4","7","7","1") = "6"
    & skf21("6","3","5","1","5","1","1","1") = "5"
    & skf21("6","3","5","1","5","1","2","1") = "5"
    & skf21("6","3","5","1","5","1","3","1") = "5"
    & skf21("6","3","5","1","5","1","4","1") = "5"
    & skf21("6","3","5","1","5","1","5","1") = "5"
    & skf21("6","3","5","1","5","1","6","1") = "5"
    & skf21("6","3","5","1","5","1","7","1") = "6"
    & skf21("6","3","5","1","5","2","1","1") = "5"
    & skf21("6","3","5","1","5","2","2","1") = "5"
    & skf21("6","3","5","1","5","2","3","1") = "5"
    & skf21("6","3","5","1","5","2","4","1") = "5"
    & skf21("6","3","5","1","5","2","5","1") = "5"
    & skf21("6","3","5","1","5","2","6","1") = "5"
    & skf21("6","3","5","1","5","2","7","1") = "6"
    & skf21("6","3","5","1","5","3","1","1") = "5"
    & skf21("6","3","5","1","5","3","2","1") = "5"
    & skf21("6","3","5","1","5","3","3","1") = "5"
    & skf21("6","3","5","1","5","3","4","1") = "5"
    & skf21("6","3","5","1","5","3","5","1") = "5"
    & skf21("6","3","5","1","5","3","6","1") = "5"
    & skf21("6","3","5","1","5","3","7","1") = "6"
    & skf21("6","3","5","1","5","4","1","1") = "5"
    & skf21("6","3","5","1","5","4","2","1") = "5"
    & skf21("6","3","5","1","5","4","3","1") = "5"
    & skf21("6","3","5","1","5","4","4","1") = "5"
    & skf21("6","3","5","1","5","4","5","1") = "5"
    & skf21("6","3","5","1","5","4","6","1") = "5"
    & skf21("6","3","5","1","5","4","7","1") = "6"
    & skf21("6","3","5","1","5","5","1","1") = "5"
    & skf21("6","3","5","1","5","5","2","1") = "5"
    & skf21("6","3","5","1","5","5","3","1") = "5"
    & skf21("6","3","5","1","5","5","4","1") = "5"
    & skf21("6","3","5","1","5","5","5","1") = "5"
    & skf21("6","3","5","1","5","5","6","1") = "5"
    & skf21("6","3","5","1","5","5","7","1") = "6"
    & skf21("6","3","5","1","5","6","1","1") = "5"
    & skf21("6","3","5","1","5","6","2","1") = "5"
    & skf21("6","3","5","1","5","6","3","1") = "5"
    & skf21("6","3","5","1","5","6","4","1") = "5"
    & skf21("6","3","5","1","5","6","5","1") = "5"
    & skf21("6","3","5","1","5","6","6","1") = "5"
    & skf21("6","3","5","1","5","6","7","1") = "6"
    & skf21("6","3","5","1","5","7","1","1") = "6"
    & skf21("6","3","5","1","5","7","2","1") = "6"
    & skf21("6","3","5","1","5","7","3","1") = "6"
    & skf21("6","3","5","1","5","7","4","1") = "6"
    & skf21("6","3","5","1","5","7","5","1") = "6"
    & skf21("6","3","5","1","5","7","6","1") = "6"
    & skf21("6","3","5","1","5","7","7","1") = "6"
    & skf21("6","3","5","1","6","1","1","1") = "5"
    & skf21("6","3","5","1","6","1","2","1") = "5"
    & skf21("6","3","5","1","6","1","3","1") = "5"
    & skf21("6","3","5","1","6","1","4","1") = "5"
    & skf21("6","3","5","1","6","1","5","1") = "5"
    & skf21("6","3","5","1","6","1","6","1") = "5"
    & skf21("6","3","5","1","6","1","7","1") = "6"
    & skf21("6","3","5","1","6","2","1","1") = "5"
    & skf21("6","3","5","1","6","2","2","1") = "5"
    & skf21("6","3","5","1","6","2","3","1") = "5"
    & skf21("6","3","5","1","6","2","4","1") = "5"
    & skf21("6","3","5","1","6","2","5","1") = "5"
    & skf21("6","3","5","1","6","2","6","1") = "5"
    & skf21("6","3","5","1","6","2","7","1") = "6"
    & skf21("6","3","5","1","6","3","1","1") = "5"
    & skf21("6","3","5","1","6","3","2","1") = "5"
    & skf21("6","3","5","1","6","3","3","1") = "5"
    & skf21("6","3","5","1","6","3","4","1") = "5"
    & skf21("6","3","5","1","6","3","5","1") = "5"
    & skf21("6","3","5","1","6","3","6","1") = "5"
    & skf21("6","3","5","1","6","3","7","1") = "6"
    & skf21("6","3","5","1","6","4","1","1") = "5"
    & skf21("6","3","5","1","6","4","2","1") = "5"
    & skf21("6","3","5","1","6","4","3","1") = "5"
    & skf21("6","3","5","1","6","4","4","1") = "5"
    & skf21("6","3","5","1","6","4","5","1") = "5"
    & skf21("6","3","5","1","6","4","6","1") = "5"
    & skf21("6","3","5","1","6","4","7","1") = "6"
    & skf21("6","3","5","1","6","5","1","1") = "5"
    & skf21("6","3","5","1","6","5","2","1") = "5"
    & skf21("6","3","5","1","6","5","3","1") = "5"
    & skf21("6","3","5","1","6","5","4","1") = "5"
    & skf21("6","3","5","1","6","5","5","1") = "5"
    & skf21("6","3","5","1","6","5","6","1") = "5"
    & skf21("6","3","5","1","6","5","7","1") = "6"
    & skf21("6","3","5","1","6","6","1","1") = "5"
    & skf21("6","3","5","1","6","6","2","1") = "5"
    & skf21("6","3","5","1","6","6","3","1") = "5"
    & skf21("6","3","5","1","6","6","4","1") = "5"
    & skf21("6","3","5","1","6","6","5","1") = "5"
    & skf21("6","3","5","1","6","6","6","1") = "5"
    & skf21("6","3","5","1","6","6","7","1") = "6"
    & skf21("6","3","5","1","6","7","1","1") = "6"
    & skf21("6","3","5","1","6","7","2","1") = "6"
    & skf21("6","3","5","1","6","7","3","1") = "6"
    & skf21("6","3","5","1","6","7","4","1") = "6"
    & skf21("6","3","5","1","6","7","5","1") = "6"
    & skf21("6","3","5","1","6","7","6","1") = "6"
    & skf21("6","3","5","1","6","7","7","1") = "6"
    & skf21("6","3","5","1","7","1","1","1") = "6"
    & skf21("6","3","5","1","7","1","2","1") = "6"
    & skf21("6","3","5","1","7","1","3","1") = "6"
    & skf21("6","3","5","1","7","1","4","1") = "6"
    & skf21("6","3","5","1","7","1","5","1") = "6"
    & skf21("6","3","5","1","7","1","6","1") = "6"
    & skf21("6","3","5","1","7","1","7","1") = "6"
    & skf21("6","3","5","1","7","2","1","1") = "6"
    & skf21("6","3","5","1","7","2","2","1") = "6"
    & skf21("6","3","5","1","7","2","3","1") = "6"
    & skf21("6","3","5","1","7","2","4","1") = "6"
    & skf21("6","3","5","1","7","2","5","1") = "6"
    & skf21("6","3","5","1","7","2","6","1") = "6"
    & skf21("6","3","5","1","7","2","7","1") = "6"
    & skf21("6","3","5","1","7","3","1","1") = "6"
    & skf21("6","3","5","1","7","3","2","1") = "6"
    & skf21("6","3","5","1","7","3","3","1") = "6"
    & skf21("6","3","5","1","7","3","4","1") = "6"
    & skf21("6","3","5","1","7","3","5","1") = "6"
    & skf21("6","3","5","1","7","3","6","1") = "6"
    & skf21("6","3","5","1","7","3","7","1") = "6"
    & skf21("6","3","5","1","7","4","1","1") = "6"
    & skf21("6","3","5","1","7","4","2","1") = "6"
    & skf21("6","3","5","1","7","4","3","1") = "6"
    & skf21("6","3","5","1","7","4","4","1") = "6"
    & skf21("6","3","5","1","7","4","5","1") = "6"
    & skf21("6","3","5","1","7","4","6","1") = "6"
    & skf21("6","3","5","1","7","4","7","1") = "6"
    & skf21("6","3","5","1","7","5","1","1") = "6"
    & skf21("6","3","5","1","7","5","2","1") = "6"
    & skf21("6","3","5","1","7","5","3","1") = "6"
    & skf21("6","3","5","1","7","5","4","1") = "6"
    & skf21("6","3","5","1","7","5","5","1") = "6"
    & skf21("6","3","5","1","7","5","6","1") = "6"
    & skf21("6","3","5","1","7","5","7","1") = "6"
    & skf21("6","3","5","1","7","6","1","1") = "6"
    & skf21("6","3","5","1","7","6","2","1") = "6"
    & skf21("6","3","5","1","7","6","3","1") = "6"
    & skf21("6","3","5","1","7","6","4","1") = "6"
    & skf21("6","3","5","1","7","6","5","1") = "6"
    & skf21("6","3","5","1","7","6","6","1") = "6"
    & skf21("6","3","5","1","7","6","7","1") = "6"
    & skf21("6","3","5","1","7","7","1","1") = "6"
    & skf21("6","3","5","1","7","7","2","1") = "6"
    & skf21("6","3","5","1","7","7","3","1") = "6"
    & skf21("6","3","5","1","7","7","4","1") = "6"
    & skf21("6","3","5","1","7","7","5","1") = "6"
    & skf21("6","3","5","1","7","7","6","1") = "6"
    & skf21("6","3","5","1","7","7","7","1") = "6"
    & skf21("6","3","5","2","1","1","1","1") = "5"
    & skf21("6","3","5","2","1","1","2","1") = "5"
    & skf21("6","3","5","2","1","1","3","1") = "5"
    & skf21("6","3","5","2","1","1","4","1") = "5"
    & skf21("6","3","5","2","1","1","5","1") = "5"
    & skf21("6","3","5","2","1","1","6","1") = "5"
    & skf21("6","3","5","2","1","1","7","1") = "6"
    & skf21("6","3","5","2","1","2","1","1") = "5"
    & skf21("6","3","5","2","1","2","2","1") = "5"
    & skf21("6","3","5","2","1","2","3","1") = "5"
    & skf21("6","3","5","2","1","2","4","1") = "5"
    & skf21("6","3","5","2","1","2","5","1") = "5"
    & skf21("6","3","5","2","1","2","6","1") = "5"
    & skf21("6","3","5","2","1","2","7","1") = "6"
    & skf21("6","3","5","2","1","3","1","1") = "5"
    & skf21("6","3","5","2","1","3","2","1") = "5"
    & skf21("6","3","5","2","1","3","3","1") = "5"
    & skf21("6","3","5","2","1","3","4","1") = "5"
    & skf21("6","3","5","2","1","3","5","1") = "5"
    & skf21("6","3","5","2","1","3","6","1") = "5"
    & skf21("6","3","5","2","1","3","7","1") = "6"
    & skf21("6","3","5","2","1","4","1","1") = "5"
    & skf21("6","3","5","2","1","4","2","1") = "5"
    & skf21("6","3","5","2","1","4","3","1") = "5"
    & skf21("6","3","5","2","1","4","4","1") = "5"
    & skf21("6","3","5","2","1","4","5","1") = "5"
    & skf21("6","3","5","2","1","4","6","1") = "5"
    & skf21("6","3","5","2","1","4","7","1") = "6"
    & skf21("6","3","5","2","1","5","1","1") = "5"
    & skf21("6","3","5","2","1","5","2","1") = "5"
    & skf21("6","3","5","2","1","5","3","1") = "5"
    & skf21("6","3","5","2","1","5","4","1") = "5"
    & skf21("6","3","5","2","1","5","5","1") = "5"
    & skf21("6","3","5","2","1","5","6","1") = "5"
    & skf21("6","3","5","2","1","5","7","1") = "6"
    & skf21("6","3","5","2","1","6","1","1") = "5"
    & skf21("6","3","5","2","1","6","2","1") = "5"
    & skf21("6","3","5","2","1","6","3","1") = "5"
    & skf21("6","3","5","2","1","6","4","1") = "5"
    & skf21("6","3","5","2","1","6","5","1") = "5"
    & skf21("6","3","5","2","1","6","6","1") = "5"
    & skf21("6","3","5","2","1","6","7","1") = "6"
    & skf21("6","3","5","2","1","7","1","1") = "6"
    & skf21("6","3","5","2","1","7","2","1") = "6"
    & skf21("6","3","5","2","1","7","3","1") = "6"
    & skf21("6","3","5","2","1","7","4","1") = "6"
    & skf21("6","3","5","2","1","7","5","1") = "6"
    & skf21("6","3","5","2","1","7","6","1") = "6"
    & skf21("6","3","5","2","1","7","7","1") = "6"
    & skf21("6","3","5","2","2","1","1","1") = "5"
    & skf21("6","3","5","2","2","1","2","1") = "5"
    & skf21("6","3","5","2","2","1","3","1") = "5"
    & skf21("6","3","5","2","2","1","4","1") = "5"
    & skf21("6","3","5","2","2","1","5","1") = "5"
    & skf21("6","3","5","2","2","1","6","1") = "5"
    & skf21("6","3","5","2","2","1","7","1") = "6"
    & skf21("6","3","5","2","2","2","1","1") = "5"
    & skf21("6","3","5","2","2","2","2","1") = "5"
    & skf21("6","3","5","2","2","2","3","1") = "5"
    & skf21("6","3","5","2","2","2","4","1") = "5"
    & skf21("6","3","5","2","2","2","5","1") = "5"
    & skf21("6","3","5","2","2","2","6","1") = "5"
    & skf21("6","3","5","2","2","2","7","1") = "6"
    & skf21("6","3","5","2","2","3","1","1") = "5"
    & skf21("6","3","5","2","2","3","2","1") = "5"
    & skf21("6","3","5","2","2","3","3","1") = "5"
    & skf21("6","3","5","2","2","3","4","1") = "5"
    & skf21("6","3","5","2","2","3","5","1") = "5"
    & skf21("6","3","5","2","2","3","6","1") = "5"
    & skf21("6","3","5","2","2","3","7","1") = "6"
    & skf21("6","3","5","2","2","4","1","1") = "5"
    & skf21("6","3","5","2","2","4","2","1") = "5"
    & skf21("6","3","5","2","2","4","3","1") = "5"
    & skf21("6","3","5","2","2","4","4","1") = "5"
    & skf21("6","3","5","2","2","4","5","1") = "5"
    & skf21("6","3","5","2","2","4","6","1") = "5"
    & skf21("6","3","5","2","2","4","7","1") = "6"
    & skf21("6","3","5","2","2","5","1","1") = "5"
    & skf21("6","3","5","2","2","5","2","1") = "5"
    & skf21("6","3","5","2","2","5","3","1") = "5"
    & skf21("6","3","5","2","2","5","4","1") = "5"
    & skf21("6","3","5","2","2","5","5","1") = "5"
    & skf21("6","3","5","2","2","5","6","1") = "5"
    & skf21("6","3","5","2","2","5","7","1") = "6"
    & skf21("6","3","5","2","2","6","1","1") = "5"
    & skf21("6","3","5","2","2","6","2","1") = "5"
    & skf21("6","3","5","2","2","6","3","1") = "5"
    & skf21("6","3","5","2","2","6","4","1") = "5"
    & skf21("6","3","5","2","2","6","5","1") = "5"
    & skf21("6","3","5","2","2","6","6","1") = "5"
    & skf21("6","3","5","2","2","6","7","1") = "6"
    & skf21("6","3","5","2","2","7","1","1") = "6"
    & skf21("6","3","5","2","2","7","2","1") = "6"
    & skf21("6","3","5","2","2","7","3","1") = "6"
    & skf21("6","3","5","2","2","7","4","1") = "6"
    & skf21("6","3","5","2","2","7","5","1") = "6"
    & skf21("6","3","5","2","2","7","6","1") = "6"
    & skf21("6","3","5","2","2","7","7","1") = "6"
    & skf21("6","3","5","2","3","1","1","1") = "5"
    & skf21("6","3","5","2","3","1","2","1") = "5"
    & skf21("6","3","5","2","3","1","3","1") = "5"
    & skf21("6","3","5","2","3","1","4","1") = "5"
    & skf21("6","3","5","2","3","1","5","1") = "5"
    & skf21("6","3","5","2","3","1","6","1") = "5"
    & skf21("6","3","5","2","3","1","7","1") = "6"
    & skf21("6","3","5","2","3","2","1","1") = "5"
    & skf21("6","3","5","2","3","2","2","1") = "5"
    & skf21("6","3","5","2","3","2","3","1") = "5"
    & skf21("6","3","5","2","3","2","4","1") = "5"
    & skf21("6","3","5","2","3","2","5","1") = "5"
    & skf21("6","3","5","2","3","2","6","1") = "5"
    & skf21("6","3","5","2","3","2","7","1") = "6"
    & skf21("6","3","5","2","3","3","1","1") = "5"
    & skf21("6","3","5","2","3","3","2","1") = "5"
    & skf21("6","3","5","2","3","3","3","1") = "5"
    & skf21("6","3","5","2","3","3","4","1") = "5"
    & skf21("6","3","5","2","3","3","5","1") = "5"
    & skf21("6","3","5","2","3","3","6","1") = "5"
    & skf21("6","3","5","2","3","3","7","1") = "6"
    & skf21("6","3","5","2","3","4","1","1") = "5"
    & skf21("6","3","5","2","3","4","2","1") = "5"
    & skf21("6","3","5","2","3","4","3","1") = "5"
    & skf21("6","3","5","2","3","4","4","1") = "5"
    & skf21("6","3","5","2","3","4","5","1") = "5"
    & skf21("6","3","5","2","3","4","6","1") = "5"
    & skf21("6","3","5","2","3","4","7","1") = "6"
    & skf21("6","3","5","2","3","5","1","1") = "5"
    & skf21("6","3","5","2","3","5","2","1") = "5"
    & skf21("6","3","5","2","3","5","3","1") = "5"
    & skf21("6","3","5","2","3","5","4","1") = "5"
    & skf21("6","3","5","2","3","5","5","1") = "5"
    & skf21("6","3","5","2","3","5","6","1") = "5"
    & skf21("6","3","5","2","3","5","7","1") = "6"
    & skf21("6","3","5","2","3","6","1","1") = "5"
    & skf21("6","3","5","2","3","6","2","1") = "5"
    & skf21("6","3","5","2","3","6","3","1") = "5"
    & skf21("6","3","5","2","3","6","4","1") = "5"
    & skf21("6","3","5","2","3","6","5","1") = "5"
    & skf21("6","3","5","2","3","6","6","1") = "5"
    & skf21("6","3","5","2","3","6","7","1") = "6"
    & skf21("6","3","5","2","3","7","1","1") = "6"
    & skf21("6","3","5","2","3","7","2","1") = "6"
    & skf21("6","3","5","2","3","7","3","1") = "6"
    & skf21("6","3","5","2","3","7","4","1") = "6"
    & skf21("6","3","5","2","3","7","5","1") = "6"
    & skf21("6","3","5","2","3","7","6","1") = "6"
    & skf21("6","3","5","2","3","7","7","1") = "6"
    & skf21("6","3","5","2","4","1","1","1") = "5"
    & skf21("6","3","5","2","4","1","2","1") = "5"
    & skf21("6","3","5","2","4","1","3","1") = "5"
    & skf21("6","3","5","2","4","1","4","1") = "5"
    & skf21("6","3","5","2","4","1","5","1") = "5"
    & skf21("6","3","5","2","4","1","6","1") = "5"
    & skf21("6","3","5","2","4","1","7","1") = "6"
    & skf21("6","3","5","2","4","2","1","1") = "5"
    & skf21("6","3","5","2","4","2","2","1") = "5"
    & skf21("6","3","5","2","4","2","3","1") = "5"
    & skf21("6","3","5","2","4","2","4","1") = "5"
    & skf21("6","3","5","2","4","2","5","1") = "5"
    & skf21("6","3","5","2","4","2","6","1") = "5"
    & skf21("6","3","5","2","4","2","7","1") = "6"
    & skf21("6","3","5","2","4","3","1","1") = "5"
    & skf21("6","3","5","2","4","3","2","1") = "5"
    & skf21("6","3","5","2","4","3","3","1") = "5"
    & skf21("6","3","5","2","4","3","4","1") = "5"
    & skf21("6","3","5","2","4","3","5","1") = "5"
    & skf21("6","3","5","2","4","3","6","1") = "5"
    & skf21("6","3","5","2","4","3","7","1") = "6"
    & skf21("6","3","5","2","4","4","1","1") = "5"
    & skf21("6","3","5","2","4","4","2","1") = "5"
    & skf21("6","3","5","2","4","4","3","1") = "5"
    & skf21("6","3","5","2","4","4","4","1") = "5"
    & skf21("6","3","5","2","4","4","5","1") = "5"
    & skf21("6","3","5","2","4","4","6","1") = "5"
    & skf21("6","3","5","2","4","4","7","1") = "6"
    & skf21("6","3","5","2","4","5","1","1") = "5"
    & skf21("6","3","5","2","4","5","2","1") = "5"
    & skf21("6","3","5","2","4","5","3","1") = "5"
    & skf21("6","3","5","2","4","5","4","1") = "5"
    & skf21("6","3","5","2","4","5","5","1") = "5"
    & skf21("6","3","5","2","4","5","6","1") = "5"
    & skf21("6","3","5","2","4","5","7","1") = "6"
    & skf21("6","3","5","2","4","6","1","1") = "5"
    & skf21("6","3","5","2","4","6","2","1") = "5"
    & skf21("6","3","5","2","4","6","3","1") = "5"
    & skf21("6","3","5","2","4","6","4","1") = "5"
    & skf21("6","3","5","2","4","6","5","1") = "5"
    & skf21("6","3","5","2","4","6","6","1") = "5"
    & skf21("6","3","5","2","4","6","7","1") = "6"
    & skf21("6","3","5","2","4","7","1","1") = "6"
    & skf21("6","3","5","2","4","7","2","1") = "6"
    & skf21("6","3","5","2","4","7","3","1") = "6"
    & skf21("6","3","5","2","4","7","4","1") = "6"
    & skf21("6","3","5","2","4","7","5","1") = "6"
    & skf21("6","3","5","2","4","7","6","1") = "6"
    & skf21("6","3","5","2","4","7","7","1") = "6"
    & skf21("6","3","5","2","5","1","1","1") = "5"
    & skf21("6","3","5","2","5","1","2","1") = "5"
    & skf21("6","3","5","2","5","1","3","1") = "5"
    & skf21("6","3","5","2","5","1","4","1") = "5"
    & skf21("6","3","5","2","5","1","5","1") = "5"
    & skf21("6","3","5","2","5","1","6","1") = "5"
    & skf21("6","3","5","2","5","1","7","1") = "6"
    & skf21("6","3","5","2","5","2","1","1") = "5"
    & skf21("6","3","5","2","5","2","2","1") = "5"
    & skf21("6","3","5","2","5","2","3","1") = "5"
    & skf21("6","3","5","2","5","2","4","1") = "5"
    & skf21("6","3","5","2","5","2","5","1") = "5"
    & skf21("6","3","5","2","5","2","6","1") = "5"
    & skf21("6","3","5","2","5","2","7","1") = "6"
    & skf21("6","3","5","2","5","3","1","1") = "5"
    & skf21("6","3","5","2","5","3","2","1") = "5"
    & skf21("6","3","5","2","5","3","3","1") = "5"
    & skf21("6","3","5","2","5","3","4","1") = "5"
    & skf21("6","3","5","2","5","3","5","1") = "5"
    & skf21("6","3","5","2","5","3","6","1") = "5"
    & skf21("6","3","5","2","5","3","7","1") = "6"
    & skf21("6","3","5","2","5","4","1","1") = "5"
    & skf21("6","3","5","2","5","4","2","1") = "5"
    & skf21("6","3","5","2","5","4","3","1") = "5"
    & skf21("6","3","5","2","5","4","4","1") = "5"
    & skf21("6","3","5","2","5","4","5","1") = "5"
    & skf21("6","3","5","2","5","4","6","1") = "5"
    & skf21("6","3","5","2","5","4","7","1") = "6"
    & skf21("6","3","5","2","5","5","1","1") = "5"
    & skf21("6","3","5","2","5","5","2","1") = "5"
    & skf21("6","3","5","2","5","5","3","1") = "5"
    & skf21("6","3","5","2","5","5","4","1") = "5"
    & skf21("6","3","5","2","5","5","5","1") = "5"
    & skf21("6","3","5","2","5","5","6","1") = "5"
    & skf21("6","3","5","2","5","5","7","1") = "6"
    & skf21("6","3","5","2","5","6","1","1") = "5"
    & skf21("6","3","5","2","5","6","2","1") = "5"
    & skf21("6","3","5","2","5","6","3","1") = "5"
    & skf21("6","3","5","2","5","6","4","1") = "5"
    & skf21("6","3","5","2","5","6","5","1") = "5"
    & skf21("6","3","5","2","5","6","6","1") = "5"
    & skf21("6","3","5","2","5","6","7","1") = "6"
    & skf21("6","3","5","2","5","7","1","1") = "6"
    & skf21("6","3","5","2","5","7","2","1") = "6"
    & skf21("6","3","5","2","5","7","3","1") = "6"
    & skf21("6","3","5","2","5","7","4","1") = "6"
    & skf21("6","3","5","2","5","7","5","1") = "6"
    & skf21("6","3","5","2","5","7","6","1") = "6"
    & skf21("6","3","5","2","5","7","7","1") = "6"
    & skf21("6","3","5","2","6","1","1","1") = "5"
    & skf21("6","3","5","2","6","1","2","1") = "5"
    & skf21("6","3","5","2","6","1","3","1") = "5"
    & skf21("6","3","5","2","6","1","4","1") = "5"
    & skf21("6","3","5","2","6","1","5","1") = "5"
    & skf21("6","3","5","2","6","1","6","1") = "5"
    & skf21("6","3","5","2","6","1","7","1") = "6"
    & skf21("6","3","5","2","6","2","1","1") = "5"
    & skf21("6","3","5","2","6","2","2","1") = "5"
    & skf21("6","3","5","2","6","2","3","1") = "5"
    & skf21("6","3","5","2","6","2","4","1") = "5"
    & skf21("6","3","5","2","6","2","5","1") = "5"
    & skf21("6","3","5","2","6","2","6","1") = "5"
    & skf21("6","3","5","2","6","2","7","1") = "6"
    & skf21("6","3","5","2","6","3","1","1") = "5"
    & skf21("6","3","5","2","6","3","2","1") = "5"
    & skf21("6","3","5","2","6","3","3","1") = "5"
    & skf21("6","3","5","2","6","3","4","1") = "5"
    & skf21("6","3","5","2","6","3","5","1") = "5"
    & skf21("6","3","5","2","6","3","6","1") = "5"
    & skf21("6","3","5","2","6","3","7","1") = "6"
    & skf21("6","3","5","2","6","4","1","1") = "5"
    & skf21("6","3","5","2","6","4","2","1") = "5"
    & skf21("6","3","5","2","6","4","3","1") = "5"
    & skf21("6","3","5","2","6","4","4","1") = "5"
    & skf21("6","3","5","2","6","4","5","1") = "5"
    & skf21("6","3","5","2","6","4","6","1") = "5"
    & skf21("6","3","5","2","6","4","7","1") = "6"
    & skf21("6","3","5","2","6","5","1","1") = "5"
    & skf21("6","3","5","2","6","5","2","1") = "5"
    & skf21("6","3","5","2","6","5","3","1") = "5"
    & skf21("6","3","5","2","6","5","4","1") = "5"
    & skf21("6","3","5","2","6","5","5","1") = "5"
    & skf21("6","3","5","2","6","5","6","1") = "5"
    & skf21("6","3","5","2","6","5","7","1") = "6"
    & skf21("6","3","5","2","6","6","1","1") = "5"
    & skf21("6","3","5","2","6","6","2","1") = "5"
    & skf21("6","3","5","2","6","6","3","1") = "5"
    & skf21("6","3","5","2","6","6","4","1") = "5"
    & skf21("6","3","5","2","6","6","5","1") = "5"
    & skf21("6","3","5","2","6","6","6","1") = "5"
    & skf21("6","3","5","2","6","6","7","1") = "6"
    & skf21("6","3","5","2","6","7","1","1") = "6"
    & skf21("6","3","5","2","6","7","2","1") = "6"
    & skf21("6","3","5","2","6","7","3","1") = "6"
    & skf21("6","3","5","2","6","7","4","1") = "6"
    & skf21("6","3","5","2","6","7","5","1") = "6"
    & skf21("6","3","5","2","6","7","6","1") = "6"
    & skf21("6","3","5","2","6","7","7","1") = "6"
    & skf21("6","3","5","2","7","1","1","1") = "6"
    & skf21("6","3","5","2","7","1","2","1") = "6"
    & skf21("6","3","5","2","7","1","3","1") = "6"
    & skf21("6","3","5","2","7","1","4","1") = "6"
    & skf21("6","3","5","2","7","1","5","1") = "6"
    & skf21("6","3","5","2","7","1","6","1") = "6"
    & skf21("6","3","5","2","7","1","7","1") = "6"
    & skf21("6","3","5","2","7","2","1","1") = "6"
    & skf21("6","3","5","2","7","2","2","1") = "6"
    & skf21("6","3","5","2","7","2","3","1") = "6"
    & skf21("6","3","5","2","7","2","4","1") = "6"
    & skf21("6","3","5","2","7","2","5","1") = "6"
    & skf21("6","3","5","2","7","2","6","1") = "6"
    & skf21("6","3","5","2","7","2","7","1") = "6"
    & skf21("6","3","5","2","7","3","1","1") = "6"
    & skf21("6","3","5","2","7","3","2","1") = "6"
    & skf21("6","3","5","2","7","3","3","1") = "6"
    & skf21("6","3","5","2","7","3","4","1") = "6"
    & skf21("6","3","5","2","7","3","5","1") = "6"
    & skf21("6","3","5","2","7","3","6","1") = "6"
    & skf21("6","3","5","2","7","3","7","1") = "6"
    & skf21("6","3","5","2","7","4","1","1") = "6"
    & skf21("6","3","5","2","7","4","2","1") = "6"
    & skf21("6","3","5","2","7","4","3","1") = "6"
    & skf21("6","3","5","2","7","4","4","1") = "6"
    & skf21("6","3","5","2","7","4","5","1") = "6"
    & skf21("6","3","5","2","7","4","6","1") = "6"
    & skf21("6","3","5","2","7","4","7","1") = "6"
    & skf21("6","3","5","2","7","5","1","1") = "6"
    & skf21("6","3","5","2","7","5","2","1") = "6"
    & skf21("6","3","5","2","7","5","3","1") = "6"
    & skf21("6","3","5","2","7","5","4","1") = "6"
    & skf21("6","3","5","2","7","5","5","1") = "6"
    & skf21("6","3","5","2","7","5","6","1") = "6"
    & skf21("6","3","5","2","7","5","7","1") = "6"
    & skf21("6","3","5","2","7","6","1","1") = "6"
    & skf21("6","3","5","2","7","6","2","1") = "6"
    & skf21("6","3","5","2","7","6","3","1") = "6"
    & skf21("6","3","5","2","7","6","4","1") = "6"
    & skf21("6","3","5","2","7","6","5","1") = "6"
    & skf21("6","3","5","2","7","6","6","1") = "6"
    & skf21("6","3","5","2","7","6","7","1") = "6"
    & skf21("6","3","5","2","7","7","1","1") = "6"
    & skf21("6","3","5","2","7","7","2","1") = "6"
    & skf21("6","3","5","2","7","7","3","1") = "6"
    & skf21("6","3","5","2","7","7","4","1") = "6"
    & skf21("6","3","5","2","7","7","5","1") = "6"
    & skf21("6","3","5","2","7","7","6","1") = "6"
    & skf21("6","3","5","2","7","7","7","1") = "6"
    & skf21("6","3","5","3","1","1","1","1") = "5"
    & skf21("6","3","5","3","1","1","2","1") = "5"
    & skf21("6","3","5","3","1","1","3","1") = "5"
    & skf21("6","3","5","3","1","1","4","1") = "5"
    & skf21("6","3","5","3","1","1","5","1") = "5"
    & skf21("6","3","5","3","1","1","6","1") = "5"
    & skf21("6","3","5","3","1","1","7","1") = "6"
    & skf21("6","3","5","3","1","2","1","1") = "5"
    & skf21("6","3","5","3","1","2","2","1") = "5"
    & skf21("6","3","5","3","1","2","3","1") = "5"
    & skf21("6","3","5","3","1","2","4","1") = "5"
    & skf21("6","3","5","3","1","2","5","1") = "5"
    & skf21("6","3","5","3","1","2","6","1") = "5"
    & skf21("6","3","5","3","1","2","7","1") = "6"
    & skf21("6","3","5","3","1","3","1","1") = "5"
    & skf21("6","3","5","3","1","3","2","1") = "5"
    & skf21("6","3","5","3","1","3","3","1") = "5"
    & skf21("6","3","5","3","1","3","4","1") = "5"
    & skf21("6","3","5","3","1","3","5","1") = "5"
    & skf21("6","3","5","3","1","3","6","1") = "5"
    & skf21("6","3","5","3","1","3","7","1") = "6"
    & skf21("6","3","5","3","1","4","1","1") = "5"
    & skf21("6","3","5","3","1","4","2","1") = "5"
    & skf21("6","3","5","3","1","4","3","1") = "5"
    & skf21("6","3","5","3","1","4","4","1") = "5"
    & skf21("6","3","5","3","1","4","5","1") = "5"
    & skf21("6","3","5","3","1","4","6","1") = "5"
    & skf21("6","3","5","3","1","4","7","1") = "6"
    & skf21("6","3","5","3","1","5","1","1") = "5"
    & skf21("6","3","5","3","1","5","2","1") = "5"
    & skf21("6","3","5","3","1","5","3","1") = "5"
    & skf21("6","3","5","3","1","5","4","1") = "5"
    & skf21("6","3","5","3","1","5","5","1") = "5"
    & skf21("6","3","5","3","1","5","6","1") = "5"
    & skf21("6","3","5","3","1","5","7","1") = "6"
    & skf21("6","3","5","3","1","6","1","1") = "5"
    & skf21("6","3","5","3","1","6","2","1") = "5"
    & skf21("6","3","5","3","1","6","3","1") = "5"
    & skf21("6","3","5","3","1","6","4","1") = "5"
    & skf21("6","3","5","3","1","6","5","1") = "5"
    & skf21("6","3","5","3","1","6","6","1") = "5"
    & skf21("6","3","5","3","1","6","7","1") = "6"
    & skf21("6","3","5","3","1","7","1","1") = "6"
    & skf21("6","3","5","3","1","7","2","1") = "6"
    & skf21("6","3","5","3","1","7","3","1") = "6"
    & skf21("6","3","5","3","1","7","4","1") = "6"
    & skf21("6","3","5","3","1","7","5","1") = "6"
    & skf21("6","3","5","3","1","7","6","1") = "6"
    & skf21("6","3","5","3","1","7","7","1") = "6"
    & skf21("6","3","5","3","2","1","1","1") = "5"
    & skf21("6","3","5","3","2","1","2","1") = "5"
    & skf21("6","3","5","3","2","1","3","1") = "5"
    & skf21("6","3","5","3","2","1","4","1") = "5"
    & skf21("6","3","5","3","2","1","5","1") = "5"
    & skf21("6","3","5","3","2","1","6","1") = "5"
    & skf21("6","3","5","3","2","1","7","1") = "6"
    & skf21("6","3","5","3","2","2","1","1") = "5"
    & skf21("6","3","5","3","2","2","2","1") = "5"
    & skf21("6","3","5","3","2","2","3","1") = "5"
    & skf21("6","3","5","3","2","2","4","1") = "5"
    & skf21("6","3","5","3","2","2","5","1") = "5"
    & skf21("6","3","5","3","2","2","6","1") = "5"
    & skf21("6","3","5","3","2","2","7","1") = "6"
    & skf21("6","3","5","3","2","3","1","1") = "5"
    & skf21("6","3","5","3","2","3","2","1") = "5"
    & skf21("6","3","5","3","2","3","3","1") = "5"
    & skf21("6","3","5","3","2","3","4","1") = "5"
    & skf21("6","3","5","3","2","3","5","1") = "5"
    & skf21("6","3","5","3","2","3","6","1") = "5"
    & skf21("6","3","5","3","2","3","7","1") = "6"
    & skf21("6","3","5","3","2","4","1","1") = "5"
    & skf21("6","3","5","3","2","4","2","1") = "5"
    & skf21("6","3","5","3","2","4","3","1") = "5"
    & skf21("6","3","5","3","2","4","4","1") = "5"
    & skf21("6","3","5","3","2","4","5","1") = "5"
    & skf21("6","3","5","3","2","4","6","1") = "5"
    & skf21("6","3","5","3","2","4","7","1") = "6"
    & skf21("6","3","5","3","2","5","1","1") = "5"
    & skf21("6","3","5","3","2","5","2","1") = "5"
    & skf21("6","3","5","3","2","5","3","1") = "5"
    & skf21("6","3","5","3","2","5","4","1") = "5"
    & skf21("6","3","5","3","2","5","5","1") = "5"
    & skf21("6","3","5","3","2","5","6","1") = "5"
    & skf21("6","3","5","3","2","5","7","1") = "6"
    & skf21("6","3","5","3","2","6","1","1") = "5"
    & skf21("6","3","5","3","2","6","2","1") = "5"
    & skf21("6","3","5","3","2","6","3","1") = "5"
    & skf21("6","3","5","3","2","6","4","1") = "5"
    & skf21("6","3","5","3","2","6","5","1") = "5"
    & skf21("6","3","5","3","2","6","6","1") = "5"
    & skf21("6","3","5","3","2","6","7","1") = "6"
    & skf21("6","3","5","3","2","7","1","1") = "6"
    & skf21("6","3","5","3","2","7","2","1") = "6"
    & skf21("6","3","5","3","2","7","3","1") = "6"
    & skf21("6","3","5","3","2","7","4","1") = "6"
    & skf21("6","3","5","3","2","7","5","1") = "6"
    & skf21("6","3","5","3","2","7","6","1") = "6"
    & skf21("6","3","5","3","2","7","7","1") = "6"
    & skf21("6","3","5","3","3","1","1","1") = "5"
    & skf21("6","3","5","3","3","1","2","1") = "5"
    & skf21("6","3","5","3","3","1","3","1") = "5"
    & skf21("6","3","5","3","3","1","4","1") = "5"
    & skf21("6","3","5","3","3","1","5","1") = "5"
    & skf21("6","3","5","3","3","1","6","1") = "5"
    & skf21("6","3","5","3","3","1","7","1") = "6"
    & skf21("6","3","5","3","3","2","1","1") = "5"
    & skf21("6","3","5","3","3","2","2","1") = "5"
    & skf21("6","3","5","3","3","2","3","1") = "5"
    & skf21("6","3","5","3","3","2","4","1") = "5"
    & skf21("6","3","5","3","3","2","5","1") = "5"
    & skf21("6","3","5","3","3","2","6","1") = "5"
    & skf21("6","3","5","3","3","2","7","1") = "6"
    & skf21("6","3","5","3","3","3","1","1") = "5"
    & skf21("6","3","5","3","3","3","2","1") = "5"
    & skf21("6","3","5","3","3","3","3","1") = "5"
    & skf21("6","3","5","3","3","3","4","1") = "5"
    & skf21("6","3","5","3","3","3","5","1") = "5"
    & skf21("6","3","5","3","3","3","6","1") = "5"
    & skf21("6","3","5","3","3","3","7","1") = "6"
    & skf21("6","3","5","3","3","4","1","1") = "5"
    & skf21("6","3","5","3","3","4","2","1") = "5"
    & skf21("6","3","5","3","3","4","3","1") = "5"
    & skf21("6","3","5","3","3","4","4","1") = "5"
    & skf21("6","3","5","3","3","4","5","1") = "5"
    & skf21("6","3","5","3","3","4","6","1") = "5"
    & skf21("6","3","5","3","3","4","7","1") = "6"
    & skf21("6","3","5","3","3","5","1","1") = "5"
    & skf21("6","3","5","3","3","5","2","1") = "5"
    & skf21("6","3","5","3","3","5","3","1") = "5"
    & skf21("6","3","5","3","3","5","4","1") = "5"
    & skf21("6","3","5","3","3","5","5","1") = "5"
    & skf21("6","3","5","3","3","5","6","1") = "5"
    & skf21("6","3","5","3","3","5","7","1") = "6"
    & skf21("6","3","5","3","3","6","1","1") = "5"
    & skf21("6","3","5","3","3","6","2","1") = "5"
    & skf21("6","3","5","3","3","6","3","1") = "5"
    & skf21("6","3","5","3","3","6","4","1") = "5"
    & skf21("6","3","5","3","3","6","5","1") = "5"
    & skf21("6","3","5","3","3","6","6","1") = "5"
    & skf21("6","3","5","3","3","6","7","1") = "6"
    & skf21("6","3","5","3","3","7","1","1") = "6"
    & skf21("6","3","5","3","3","7","2","1") = "6"
    & skf21("6","3","5","3","3","7","3","1") = "6"
    & skf21("6","3","5","3","3","7","4","1") = "6"
    & skf21("6","3","5","3","3","7","5","1") = "6"
    & skf21("6","3","5","3","3","7","6","1") = "6"
    & skf21("6","3","5","3","3","7","7","1") = "6"
    & skf21("6","3","5","3","4","1","1","1") = "5"
    & skf21("6","3","5","3","4","1","2","1") = "5"
    & skf21("6","3","5","3","4","1","3","1") = "5"
    & skf21("6","3","5","3","4","1","4","1") = "5"
    & skf21("6","3","5","3","4","1","5","1") = "5"
    & skf21("6","3","5","3","4","1","6","1") = "5"
    & skf21("6","3","5","3","4","1","7","1") = "6"
    & skf21("6","3","5","3","4","2","1","1") = "5"
    & skf21("6","3","5","3","4","2","2","1") = "5"
    & skf21("6","3","5","3","4","2","3","1") = "5"
    & skf21("6","3","5","3","4","2","4","1") = "5"
    & skf21("6","3","5","3","4","2","5","1") = "5"
    & skf21("6","3","5","3","4","2","6","1") = "5"
    & skf21("6","3","5","3","4","2","7","1") = "6"
    & skf21("6","3","5","3","4","3","1","1") = "5"
    & skf21("6","3","5","3","4","3","2","1") = "5"
    & skf21("6","3","5","3","4","3","3","1") = "5"
    & skf21("6","3","5","3","4","3","4","1") = "5"
    & skf21("6","3","5","3","4","3","5","1") = "5"
    & skf21("6","3","5","3","4","3","6","1") = "5"
    & skf21("6","3","5","3","4","3","7","1") = "6"
    & skf21("6","3","5","3","4","4","1","1") = "5"
    & skf21("6","3","5","3","4","4","2","1") = "5"
    & skf21("6","3","5","3","4","4","3","1") = "5"
    & skf21("6","3","5","3","4","4","4","1") = "5"
    & skf21("6","3","5","3","4","4","5","1") = "5"
    & skf21("6","3","5","3","4","4","6","1") = "5"
    & skf21("6","3","5","3","4","4","7","1") = "6"
    & skf21("6","3","5","3","4","5","1","1") = "5"
    & skf21("6","3","5","3","4","5","2","1") = "5"
    & skf21("6","3","5","3","4","5","3","1") = "5"
    & skf21("6","3","5","3","4","5","4","1") = "5"
    & skf21("6","3","5","3","4","5","5","1") = "5"
    & skf21("6","3","5","3","4","5","6","1") = "5"
    & skf21("6","3","5","3","4","5","7","1") = "6"
    & skf21("6","3","5","3","4","6","1","1") = "5"
    & skf21("6","3","5","3","4","6","2","1") = "5"
    & skf21("6","3","5","3","4","6","3","1") = "5"
    & skf21("6","3","5","3","4","6","4","1") = "5"
    & skf21("6","3","5","3","4","6","5","1") = "5"
    & skf21("6","3","5","3","4","6","6","1") = "5"
    & skf21("6","3","5","3","4","6","7","1") = "6"
    & skf21("6","3","5","3","4","7","1","1") = "6"
    & skf21("6","3","5","3","4","7","2","1") = "6"
    & skf21("6","3","5","3","4","7","3","1") = "6"
    & skf21("6","3","5","3","4","7","4","1") = "6"
    & skf21("6","3","5","3","4","7","5","1") = "6"
    & skf21("6","3","5","3","4","7","6","1") = "6"
    & skf21("6","3","5","3","4","7","7","1") = "6"
    & skf21("6","3","5","3","5","1","1","1") = "5"
    & skf21("6","3","5","3","5","1","2","1") = "5"
    & skf21("6","3","5","3","5","1","3","1") = "5"
    & skf21("6","3","5","3","5","1","4","1") = "5"
    & skf21("6","3","5","3","5","1","5","1") = "5"
    & skf21("6","3","5","3","5","1","6","1") = "5"
    & skf21("6","3","5","3","5","1","7","1") = "6"
    & skf21("6","3","5","3","5","2","1","1") = "5"
    & skf21("6","3","5","3","5","2","2","1") = "5"
    & skf21("6","3","5","3","5","2","3","1") = "5"
    & skf21("6","3","5","3","5","2","4","1") = "5"
    & skf21("6","3","5","3","5","2","5","1") = "5"
    & skf21("6","3","5","3","5","2","6","1") = "5"
    & skf21("6","3","5","3","5","2","7","1") = "6"
    & skf21("6","3","5","3","5","3","1","1") = "5"
    & skf21("6","3","5","3","5","3","2","1") = "5"
    & skf21("6","3","5","3","5","3","3","1") = "5"
    & skf21("6","3","5","3","5","3","4","1") = "5"
    & skf21("6","3","5","3","5","3","5","1") = "5"
    & skf21("6","3","5","3","5","3","6","1") = "5"
    & skf21("6","3","5","3","5","3","7","1") = "6"
    & skf21("6","3","5","3","5","4","1","1") = "5"
    & skf21("6","3","5","3","5","4","2","1") = "5"
    & skf21("6","3","5","3","5","4","3","1") = "5"
    & skf21("6","3","5","3","5","4","4","1") = "5"
    & skf21("6","3","5","3","5","4","5","1") = "5"
    & skf21("6","3","5","3","5","4","6","1") = "5"
    & skf21("6","3","5","3","5","4","7","1") = "6"
    & skf21("6","3","5","3","5","5","1","1") = "5"
    & skf21("6","3","5","3","5","5","2","1") = "5"
    & skf21("6","3","5","3","5","5","3","1") = "5"
    & skf21("6","3","5","3","5","5","4","1") = "5"
    & skf21("6","3","5","3","5","5","5","1") = "5"
    & skf21("6","3","5","3","5","5","6","1") = "5"
    & skf21("6","3","5","3","5","5","7","1") = "6"
    & skf21("6","3","5","3","5","6","1","1") = "5"
    & skf21("6","3","5","3","5","6","2","1") = "5"
    & skf21("6","3","5","3","5","6","3","1") = "5"
    & skf21("6","3","5","3","5","6","4","1") = "5"
    & skf21("6","3","5","3","5","6","5","1") = "5"
    & skf21("6","3","5","3","5","6","6","1") = "5"
    & skf21("6","3","5","3","5","6","7","1") = "6"
    & skf21("6","3","5","3","5","7","1","1") = "6"
    & skf21("6","3","5","3","5","7","2","1") = "6"
    & skf21("6","3","5","3","5","7","3","1") = "6"
    & skf21("6","3","5","3","5","7","4","1") = "6"
    & skf21("6","3","5","3","5","7","5","1") = "6"
    & skf21("6","3","5","3","5","7","6","1") = "6"
    & skf21("6","3","5","3","5","7","7","1") = "6"
    & skf21("6","3","5","3","6","1","1","1") = "5"
    & skf21("6","3","5","3","6","1","2","1") = "5"
    & skf21("6","3","5","3","6","1","3","1") = "5"
    & skf21("6","3","5","3","6","1","4","1") = "5"
    & skf21("6","3","5","3","6","1","5","1") = "5"
    & skf21("6","3","5","3","6","1","6","1") = "5"
    & skf21("6","3","5","3","6","1","7","1") = "6"
    & skf21("6","3","5","3","6","2","1","1") = "5"
    & skf21("6","3","5","3","6","2","2","1") = "5"
    & skf21("6","3","5","3","6","2","3","1") = "5"
    & skf21("6","3","5","3","6","2","4","1") = "5"
    & skf21("6","3","5","3","6","2","5","1") = "5"
    & skf21("6","3","5","3","6","2","6","1") = "5"
    & skf21("6","3","5","3","6","2","7","1") = "6"
    & skf21("6","3","5","3","6","3","1","1") = "5"
    & skf21("6","3","5","3","6","3","2","1") = "5"
    & skf21("6","3","5","3","6","3","3","1") = "5"
    & skf21("6","3","5","3","6","3","4","1") = "5"
    & skf21("6","3","5","3","6","3","5","1") = "5"
    & skf21("6","3","5","3","6","3","6","1") = "5"
    & skf21("6","3","5","3","6","3","7","1") = "6"
    & skf21("6","3","5","3","6","4","1","1") = "5"
    & skf21("6","3","5","3","6","4","2","1") = "5"
    & skf21("6","3","5","3","6","4","3","1") = "5"
    & skf21("6","3","5","3","6","4","4","1") = "5"
    & skf21("6","3","5","3","6","4","5","1") = "5"
    & skf21("6","3","5","3","6","4","6","1") = "5"
    & skf21("6","3","5","3","6","4","7","1") = "6"
    & skf21("6","3","5","3","6","5","1","1") = "5"
    & skf21("6","3","5","3","6","5","2","1") = "5"
    & skf21("6","3","5","3","6","5","3","1") = "5"
    & skf21("6","3","5","3","6","5","4","1") = "5"
    & skf21("6","3","5","3","6","5","5","1") = "5"
    & skf21("6","3","5","3","6","5","6","1") = "5"
    & skf21("6","3","5","3","6","5","7","1") = "6"
    & skf21("6","3","5","3","6","6","1","1") = "5"
    & skf21("6","3","5","3","6","6","2","1") = "5"
    & skf21("6","3","5","3","6","6","3","1") = "5"
    & skf21("6","3","5","3","6","6","4","1") = "5"
    & skf21("6","3","5","3","6","6","5","1") = "5"
    & skf21("6","3","5","3","6","6","6","1") = "5"
    & skf21("6","3","5","3","6","6","7","1") = "6"
    & skf21("6","3","5","3","6","7","1","1") = "6"
    & skf21("6","3","5","3","6","7","2","1") = "6"
    & skf21("6","3","5","3","6","7","3","1") = "6"
    & skf21("6","3","5","3","6","7","4","1") = "6"
    & skf21("6","3","5","3","6","7","5","1") = "6"
    & skf21("6","3","5","3","6","7","6","1") = "6"
    & skf21("6","3","5","3","6","7","7","1") = "6"
    & skf21("6","3","5","3","7","1","1","1") = "6"
    & skf21("6","3","5","3","7","1","2","1") = "6"
    & skf21("6","3","5","3","7","1","3","1") = "6"
    & skf21("6","3","5","3","7","1","4","1") = "6"
    & skf21("6","3","5","3","7","1","5","1") = "6"
    & skf21("6","3","5","3","7","1","6","1") = "6"
    & skf21("6","3","5","3","7","1","7","1") = "6"
    & skf21("6","3","5","3","7","2","1","1") = "6"
    & skf21("6","3","5","3","7","2","2","1") = "6"
    & skf21("6","3","5","3","7","2","3","1") = "6"
    & skf21("6","3","5","3","7","2","4","1") = "6"
    & skf21("6","3","5","3","7","2","5","1") = "6"
    & skf21("6","3","5","3","7","2","6","1") = "6"
    & skf21("6","3","5","3","7","2","7","1") = "6"
    & skf21("6","3","5","3","7","3","1","1") = "6"
    & skf21("6","3","5","3","7","3","2","1") = "6"
    & skf21("6","3","5","3","7","3","3","1") = "6"
    & skf21("6","3","5","3","7","3","4","1") = "6"
    & skf21("6","3","5","3","7","3","5","1") = "6"
    & skf21("6","3","5","3","7","3","6","1") = "6"
    & skf21("6","3","5","3","7","3","7","1") = "6"
    & skf21("6","3","5","3","7","4","1","1") = "6"
    & skf21("6","3","5","3","7","4","2","1") = "6"
    & skf21("6","3","5","3","7","4","3","1") = "6"
    & skf21("6","3","5","3","7","4","4","1") = "6"
    & skf21("6","3","5","3","7","4","5","1") = "6"
    & skf21("6","3","5","3","7","4","6","1") = "6"
    & skf21("6","3","5","3","7","4","7","1") = "6"
    & skf21("6","3","5","3","7","5","1","1") = "6"
    & skf21("6","3","5","3","7","5","2","1") = "6"
    & skf21("6","3","5","3","7","5","3","1") = "6"
    & skf21("6","3","5","3","7","5","4","1") = "6"
    & skf21("6","3","5","3","7","5","5","1") = "6"
    & skf21("6","3","5","3","7","5","6","1") = "6"
    & skf21("6","3","5","3","7","5","7","1") = "6"
    & skf21("6","3","5","3","7","6","1","1") = "6"
    & skf21("6","3","5","3","7","6","2","1") = "6"
    & skf21("6","3","5","3","7","6","3","1") = "6"
    & skf21("6","3","5","3","7","6","4","1") = "6"
    & skf21("6","3","5","3","7","6","5","1") = "6"
    & skf21("6","3","5","3","7","6","6","1") = "6"
    & skf21("6","3","5","3","7","6","7","1") = "6"
    & skf21("6","3","5","3","7","7","1","1") = "6"
    & skf21("6","3","5","3","7","7","2","1") = "6"
    & skf21("6","3","5","3","7","7","3","1") = "6"
    & skf21("6","3","5","3","7","7","4","1") = "6"
    & skf21("6","3","5","3","7","7","5","1") = "6"
    & skf21("6","3","5","3","7","7","6","1") = "6"
    & skf21("6","3","5","3","7","7","7","1") = "6"
    & skf21("6","3","5","4","1","1","1","1") = "5"
    & skf21("6","3","5","4","1","1","2","1") = "5"
    & skf21("6","3","5","4","1","1","3","1") = "5"
    & skf21("6","3","5","4","1","1","4","1") = "5"
    & skf21("6","3","5","4","1","1","5","1") = "5"
    & skf21("6","3","5","4","1","1","6","1") = "5"
    & skf21("6","3","5","4","1","1","7","1") = "6"
    & skf21("6","3","5","4","1","2","1","1") = "5"
    & skf21("6","3","5","4","1","2","2","1") = "5"
    & skf21("6","3","5","4","1","2","3","1") = "5"
    & skf21("6","3","5","4","1","2","4","1") = "5"
    & skf21("6","3","5","4","1","2","5","1") = "5"
    & skf21("6","3","5","4","1","2","6","1") = "5"
    & skf21("6","3","5","4","1","2","7","1") = "6"
    & skf21("6","3","5","4","1","3","1","1") = "5"
    & skf21("6","3","5","4","1","3","2","1") = "5"
    & skf21("6","3","5","4","1","3","3","1") = "5"
    & skf21("6","3","5","4","1","3","4","1") = "5"
    & skf21("6","3","5","4","1","3","5","1") = "5"
    & skf21("6","3","5","4","1","3","6","1") = "5"
    & skf21("6","3","5","4","1","3","7","1") = "6"
    & skf21("6","3","5","4","1","4","1","1") = "5"
    & skf21("6","3","5","4","1","4","2","1") = "5"
    & skf21("6","3","5","4","1","4","3","1") = "5"
    & skf21("6","3","5","4","1","4","4","1") = "5"
    & skf21("6","3","5","4","1","4","5","1") = "5"
    & skf21("6","3","5","4","1","4","6","1") = "5"
    & skf21("6","3","5","4","1","4","7","1") = "6"
    & skf21("6","3","5","4","1","5","1","1") = "5"
    & skf21("6","3","5","4","1","5","2","1") = "5"
    & skf21("6","3","5","4","1","5","3","1") = "5"
    & skf21("6","3","5","4","1","5","4","1") = "5"
    & skf21("6","3","5","4","1","5","5","1") = "5"
    & skf21("6","3","5","4","1","5","6","1") = "5"
    & skf21("6","3","5","4","1","5","7","1") = "6"
    & skf21("6","3","5","4","1","6","1","1") = "5"
    & skf21("6","3","5","4","1","6","2","1") = "5"
    & skf21("6","3","5","4","1","6","3","1") = "5"
    & skf21("6","3","5","4","1","6","4","1") = "5"
    & skf21("6","3","5","4","1","6","5","1") = "5"
    & skf21("6","3","5","4","1","6","6","1") = "5"
    & skf21("6","3","5","4","1","6","7","1") = "6"
    & skf21("6","3","5","4","1","7","1","1") = "6"
    & skf21("6","3","5","4","1","7","2","1") = "6"
    & skf21("6","3","5","4","1","7","3","1") = "6"
    & skf21("6","3","5","4","1","7","4","1") = "6"
    & skf21("6","3","5","4","1","7","5","1") = "6"
    & skf21("6","3","5","4","1","7","6","1") = "6"
    & skf21("6","3","5","4","1","7","7","1") = "6"
    & skf21("6","3","5","4","2","1","1","1") = "5"
    & skf21("6","3","5","4","2","1","2","1") = "5"
    & skf21("6","3","5","4","2","1","3","1") = "5"
    & skf21("6","3","5","4","2","1","4","1") = "5"
    & skf21("6","3","5","4","2","1","5","1") = "5"
    & skf21("6","3","5","4","2","1","6","1") = "5"
    & skf21("6","3","5","4","2","1","7","1") = "6"
    & skf21("6","3","5","4","2","2","1","1") = "5"
    & skf21("6","3","5","4","2","2","2","1") = "5"
    & skf21("6","3","5","4","2","2","3","1") = "5"
    & skf21("6","3","5","4","2","2","4","1") = "5"
    & skf21("6","3","5","4","2","2","5","1") = "5"
    & skf21("6","3","5","4","2","2","6","1") = "5"
    & skf21("6","3","5","4","2","2","7","1") = "6"
    & skf21("6","3","5","4","2","3","1","1") = "5"
    & skf21("6","3","5","4","2","3","2","1") = "5"
    & skf21("6","3","5","4","2","3","3","1") = "5"
    & skf21("6","3","5","4","2","3","4","1") = "5"
    & skf21("6","3","5","4","2","3","5","1") = "5"
    & skf21("6","3","5","4","2","3","6","1") = "5"
    & skf21("6","3","5","4","2","3","7","1") = "6"
    & skf21("6","3","5","4","2","4","1","1") = "5"
    & skf21("6","3","5","4","2","4","2","1") = "5"
    & skf21("6","3","5","4","2","4","3","1") = "5"
    & skf21("6","3","5","4","2","4","4","1") = "5"
    & skf21("6","3","5","4","2","4","5","1") = "5"
    & skf21("6","3","5","4","2","4","6","1") = "5"
    & skf21("6","3","5","4","2","4","7","1") = "6"
    & skf21("6","3","5","4","2","5","1","1") = "5"
    & skf21("6","3","5","4","2","5","2","1") = "5"
    & skf21("6","3","5","4","2","5","3","1") = "5"
    & skf21("6","3","5","4","2","5","4","1") = "5"
    & skf21("6","3","5","4","2","5","5","1") = "5"
    & skf21("6","3","5","4","2","5","6","1") = "5"
    & skf21("6","3","5","4","2","5","7","1") = "6"
    & skf21("6","3","5","4","2","6","1","1") = "5"
    & skf21("6","3","5","4","2","6","2","1") = "5"
    & skf21("6","3","5","4","2","6","3","1") = "5"
    & skf21("6","3","5","4","2","6","4","1") = "5"
    & skf21("6","3","5","4","2","6","5","1") = "5"
    & skf21("6","3","5","4","2","6","6","1") = "5"
    & skf21("6","3","5","4","2","6","7","1") = "6"
    & skf21("6","3","5","4","2","7","1","1") = "6"
    & skf21("6","3","5","4","2","7","2","1") = "6"
    & skf21("6","3","5","4","2","7","3","1") = "6"
    & skf21("6","3","5","4","2","7","4","1") = "6"
    & skf21("6","3","5","4","2","7","5","1") = "6"
    & skf21("6","3","5","4","2","7","6","1") = "6"
    & skf21("6","3","5","4","2","7","7","1") = "6"
    & skf21("6","3","5","4","3","1","1","1") = "5"
    & skf21("6","3","5","4","3","1","2","1") = "5"
    & skf21("6","3","5","4","3","1","3","1") = "5"
    & skf21("6","3","5","4","3","1","4","1") = "5"
    & skf21("6","3","5","4","3","1","5","1") = "5"
    & skf21("6","3","5","4","3","1","6","1") = "5"
    & skf21("6","3","5","4","3","1","7","1") = "6"
    & skf21("6","3","5","4","3","2","1","1") = "5"
    & skf21("6","3","5","4","3","2","2","1") = "5"
    & skf21("6","3","5","4","3","2","3","1") = "5"
    & skf21("6","3","5","4","3","2","4","1") = "5"
    & skf21("6","3","5","4","3","2","5","1") = "5"
    & skf21("6","3","5","4","3","2","6","1") = "5"
    & skf21("6","3","5","4","3","2","7","1") = "6"
    & skf21("6","3","5","4","3","3","1","1") = "5"
    & skf21("6","3","5","4","3","3","2","1") = "5"
    & skf21("6","3","5","4","3","3","3","1") = "5"
    & skf21("6","3","5","4","3","3","4","1") = "5"
    & skf21("6","3","5","4","3","3","5","1") = "5"
    & skf21("6","3","5","4","3","3","6","1") = "5"
    & skf21("6","3","5","4","3","3","7","1") = "6"
    & skf21("6","3","5","4","3","4","1","1") = "5"
    & skf21("6","3","5","4","3","4","2","1") = "5"
    & skf21("6","3","5","4","3","4","3","1") = "5"
    & skf21("6","3","5","4","3","4","4","1") = "5"
    & skf21("6","3","5","4","3","4","5","1") = "5"
    & skf21("6","3","5","4","3","4","6","1") = "5"
    & skf21("6","3","5","4","3","4","7","1") = "6"
    & skf21("6","3","5","4","3","5","1","1") = "5"
    & skf21("6","3","5","4","3","5","2","1") = "5"
    & skf21("6","3","5","4","3","5","3","1") = "5"
    & skf21("6","3","5","4","3","5","4","1") = "5"
    & skf21("6","3","5","4","3","5","5","1") = "5"
    & skf21("6","3","5","4","3","5","6","1") = "5"
    & skf21("6","3","5","4","3","5","7","1") = "6"
    & skf21("6","3","5","4","3","6","1","1") = "5"
    & skf21("6","3","5","4","3","6","2","1") = "5"
    & skf21("6","3","5","4","3","6","3","1") = "5"
    & skf21("6","3","5","4","3","6","4","1") = "5"
    & skf21("6","3","5","4","3","6","5","1") = "5"
    & skf21("6","3","5","4","3","6","6","1") = "5"
    & skf21("6","3","5","4","3","6","7","1") = "6"
    & skf21("6","3","5","4","3","7","1","1") = "6"
    & skf21("6","3","5","4","3","7","2","1") = "6"
    & skf21("6","3","5","4","3","7","3","1") = "6"
    & skf21("6","3","5","4","3","7","4","1") = "6"
    & skf21("6","3","5","4","3","7","5","1") = "6"
    & skf21("6","3","5","4","3","7","6","1") = "6"
    & skf21("6","3","5","4","3","7","7","1") = "6"
    & skf21("6","3","5","4","4","1","1","1") = "5"
    & skf21("6","3","5","4","4","1","2","1") = "5"
    & skf21("6","3","5","4","4","1","3","1") = "5"
    & skf21("6","3","5","4","4","1","4","1") = "5"
    & skf21("6","3","5","4","4","1","5","1") = "5"
    & skf21("6","3","5","4","4","1","6","1") = "5"
    & skf21("6","3","5","4","4","1","7","1") = "6"
    & skf21("6","3","5","4","4","2","1","1") = "5"
    & skf21("6","3","5","4","4","2","2","1") = "5"
    & skf21("6","3","5","4","4","2","3","1") = "5"
    & skf21("6","3","5","4","4","2","4","1") = "5"
    & skf21("6","3","5","4","4","2","5","1") = "5"
    & skf21("6","3","5","4","4","2","6","1") = "5"
    & skf21("6","3","5","4","4","2","7","1") = "6"
    & skf21("6","3","5","4","4","3","1","1") = "5"
    & skf21("6","3","5","4","4","3","2","1") = "5"
    & skf21("6","3","5","4","4","3","3","1") = "5"
    & skf21("6","3","5","4","4","3","4","1") = "5"
    & skf21("6","3","5","4","4","3","5","1") = "5"
    & skf21("6","3","5","4","4","3","6","1") = "5"
    & skf21("6","3","5","4","4","3","7","1") = "6"
    & skf21("6","3","5","4","4","4","1","1") = "5"
    & skf21("6","3","5","4","4","4","2","1") = "5"
    & skf21("6","3","5","4","4","4","3","1") = "5"
    & skf21("6","3","5","4","4","4","4","1") = "5"
    & skf21("6","3","5","4","4","4","5","1") = "5"
    & skf21("6","3","5","4","4","4","6","1") = "5"
    & skf21("6","3","5","4","4","4","7","1") = "6"
    & skf21("6","3","5","4","4","5","1","1") = "5"
    & skf21("6","3","5","4","4","5","2","1") = "5"
    & skf21("6","3","5","4","4","5","3","1") = "5"
    & skf21("6","3","5","4","4","5","4","1") = "5"
    & skf21("6","3","5","4","4","5","5","1") = "5"
    & skf21("6","3","5","4","4","5","6","1") = "5"
    & skf21("6","3","5","4","4","5","7","1") = "6"
    & skf21("6","3","5","4","4","6","1","1") = "5"
    & skf21("6","3","5","4","4","6","2","1") = "5"
    & skf21("6","3","5","4","4","6","3","1") = "5"
    & skf21("6","3","5","4","4","6","4","1") = "5"
    & skf21("6","3","5","4","4","6","5","1") = "5"
    & skf21("6","3","5","4","4","6","6","1") = "5"
    & skf21("6","3","5","4","4","6","7","1") = "6"
    & skf21("6","3","5","4","4","7","1","1") = "6"
    & skf21("6","3","5","4","4","7","2","1") = "6"
    & skf21("6","3","5","4","4","7","3","1") = "6"
    & skf21("6","3","5","4","4","7","4","1") = "6"
    & skf21("6","3","5","4","4","7","5","1") = "6"
    & skf21("6","3","5","4","4","7","6","1") = "6"
    & skf21("6","3","5","4","4","7","7","1") = "6"
    & skf21("6","3","5","4","5","1","1","1") = "5"
    & skf21("6","3","5","4","5","1","2","1") = "5"
    & skf21("6","3","5","4","5","1","3","1") = "5"
    & skf21("6","3","5","4","5","1","4","1") = "5"
    & skf21("6","3","5","4","5","1","5","1") = "5"
    & skf21("6","3","5","4","5","1","6","1") = "5"
    & skf21("6","3","5","4","5","1","7","1") = "6"
    & skf21("6","3","5","4","5","2","1","1") = "5"
    & skf21("6","3","5","4","5","2","2","1") = "5"
    & skf21("6","3","5","4","5","2","3","1") = "5"
    & skf21("6","3","5","4","5","2","4","1") = "5"
    & skf21("6","3","5","4","5","2","5","1") = "5"
    & skf21("6","3","5","4","5","2","6","1") = "5"
    & skf21("6","3","5","4","5","2","7","1") = "6"
    & skf21("6","3","5","4","5","3","1","1") = "5"
    & skf21("6","3","5","4","5","3","2","1") = "5"
    & skf21("6","3","5","4","5","3","3","1") = "5"
    & skf21("6","3","5","4","5","3","4","1") = "5"
    & skf21("6","3","5","4","5","3","5","1") = "5"
    & skf21("6","3","5","4","5","3","6","1") = "5"
    & skf21("6","3","5","4","5","3","7","1") = "6"
    & skf21("6","3","5","4","5","4","1","1") = "5"
    & skf21("6","3","5","4","5","4","2","1") = "5"
    & skf21("6","3","5","4","5","4","3","1") = "5"
    & skf21("6","3","5","4","5","4","4","1") = "5"
    & skf21("6","3","5","4","5","4","5","1") = "5"
    & skf21("6","3","5","4","5","4","6","1") = "5"
    & skf21("6","3","5","4","5","4","7","1") = "6"
    & skf21("6","3","5","4","5","5","1","1") = "5"
    & skf21("6","3","5","4","5","5","2","1") = "5"
    & skf21("6","3","5","4","5","5","3","1") = "5"
    & skf21("6","3","5","4","5","5","4","1") = "5"
    & skf21("6","3","5","4","5","5","5","1") = "5"
    & skf21("6","3","5","4","5","5","6","1") = "5"
    & skf21("6","3","5","4","5","5","7","1") = "6"
    & skf21("6","3","5","4","5","6","1","1") = "5"
    & skf21("6","3","5","4","5","6","2","1") = "5"
    & skf21("6","3","5","4","5","6","3","1") = "5"
    & skf21("6","3","5","4","5","6","4","1") = "5"
    & skf21("6","3","5","4","5","6","5","1") = "5"
    & skf21("6","3","5","4","5","6","6","1") = "5"
    & skf21("6","3","5","4","5","6","7","1") = "6"
    & skf21("6","3","5","4","5","7","1","1") = "6"
    & skf21("6","3","5","4","5","7","2","1") = "6"
    & skf21("6","3","5","4","5","7","3","1") = "6"
    & skf21("6","3","5","4","5","7","4","1") = "6"
    & skf21("6","3","5","4","5","7","5","1") = "6"
    & skf21("6","3","5","4","5","7","6","1") = "6"
    & skf21("6","3","5","4","5","7","7","1") = "6"
    & skf21("6","3","5","4","6","1","1","1") = "5"
    & skf21("6","3","5","4","6","1","2","1") = "5"
    & skf21("6","3","5","4","6","1","3","1") = "5"
    & skf21("6","3","5","4","6","1","4","1") = "5"
    & skf21("6","3","5","4","6","1","5","1") = "5"
    & skf21("6","3","5","4","6","1","6","1") = "5"
    & skf21("6","3","5","4","6","1","7","1") = "6"
    & skf21("6","3","5","4","6","2","1","1") = "5"
    & skf21("6","3","5","4","6","2","2","1") = "5"
    & skf21("6","3","5","4","6","2","3","1") = "5"
    & skf21("6","3","5","4","6","2","4","1") = "5"
    & skf21("6","3","5","4","6","2","5","1") = "5"
    & skf21("6","3","5","4","6","2","6","1") = "5"
    & skf21("6","3","5","4","6","2","7","1") = "6"
    & skf21("6","3","5","4","6","3","1","1") = "5"
    & skf21("6","3","5","4","6","3","2","1") = "5"
    & skf21("6","3","5","4","6","3","3","1") = "5"
    & skf21("6","3","5","4","6","3","4","1") = "5"
    & skf21("6","3","5","4","6","3","5","1") = "5"
    & skf21("6","3","5","4","6","3","6","1") = "5"
    & skf21("6","3","5","4","6","3","7","1") = "6"
    & skf21("6","3","5","4","6","4","1","1") = "5"
    & skf21("6","3","5","4","6","4","2","1") = "5"
    & skf21("6","3","5","4","6","4","3","1") = "5"
    & skf21("6","3","5","4","6","4","4","1") = "5"
    & skf21("6","3","5","4","6","4","5","1") = "5"
    & skf21("6","3","5","4","6","4","6","1") = "5"
    & skf21("6","3","5","4","6","4","7","1") = "6"
    & skf21("6","3","5","4","6","5","1","1") = "5"
    & skf21("6","3","5","4","6","5","2","1") = "5"
    & skf21("6","3","5","4","6","5","3","1") = "5"
    & skf21("6","3","5","4","6","5","4","1") = "5"
    & skf21("6","3","5","4","6","5","5","1") = "5"
    & skf21("6","3","5","4","6","5","6","1") = "5"
    & skf21("6","3","5","4","6","5","7","1") = "6"
    & skf21("6","3","5","4","6","6","1","1") = "5"
    & skf21("6","3","5","4","6","6","2","1") = "5"
    & skf21("6","3","5","4","6","6","3","1") = "5"
    & skf21("6","3","5","4","6","6","4","1") = "5"
    & skf21("6","3","5","4","6","6","5","1") = "5"
    & skf21("6","3","5","4","6","6","6","1") = "5"
    & skf21("6","3","5","4","6","6","7","1") = "6"
    & skf21("6","3","5","4","6","7","1","1") = "6"
    & skf21("6","3","5","4","6","7","2","1") = "6"
    & skf21("6","3","5","4","6","7","3","1") = "6"
    & skf21("6","3","5","4","6","7","4","1") = "6"
    & skf21("6","3","5","4","6","7","5","1") = "6"
    & skf21("6","3","5","4","6","7","6","1") = "6"
    & skf21("6","3","5","4","6","7","7","1") = "6"
    & skf21("6","3","5","4","7","1","1","1") = "6"
    & skf21("6","3","5","4","7","1","2","1") = "6"
    & skf21("6","3","5","4","7","1","3","1") = "6"
    & skf21("6","3","5","4","7","1","4","1") = "6"
    & skf21("6","3","5","4","7","1","5","1") = "6"
    & skf21("6","3","5","4","7","1","6","1") = "6"
    & skf21("6","3","5","4","7","1","7","1") = "6"
    & skf21("6","3","5","4","7","2","1","1") = "6"
    & skf21("6","3","5","4","7","2","2","1") = "6"
    & skf21("6","3","5","4","7","2","3","1") = "6"
    & skf21("6","3","5","4","7","2","4","1") = "6"
    & skf21("6","3","5","4","7","2","5","1") = "6"
    & skf21("6","3","5","4","7","2","6","1") = "6"
    & skf21("6","3","5","4","7","2","7","1") = "6"
    & skf21("6","3","5","4","7","3","1","1") = "6"
    & skf21("6","3","5","4","7","3","2","1") = "6"
    & skf21("6","3","5","4","7","3","3","1") = "6"
    & skf21("6","3","5","4","7","3","4","1") = "6"
    & skf21("6","3","5","4","7","3","5","1") = "6"
    & skf21("6","3","5","4","7","3","6","1") = "6"
    & skf21("6","3","5","4","7","3","7","1") = "6"
    & skf21("6","3","5","4","7","4","1","1") = "6"
    & skf21("6","3","5","4","7","4","2","1") = "6"
    & skf21("6","3","5","4","7","4","3","1") = "6"
    & skf21("6","3","5","4","7","4","4","1") = "6"
    & skf21("6","3","5","4","7","4","5","1") = "6"
    & skf21("6","3","5","4","7","4","6","1") = "6"
    & skf21("6","3","5","4","7","4","7","1") = "6"
    & skf21("6","3","5","4","7","5","1","1") = "6"
    & skf21("6","3","5","4","7","5","2","1") = "6"
    & skf21("6","3","5","4","7","5","3","1") = "6"
    & skf21("6","3","5","4","7","5","4","1") = "6"
    & skf21("6","3","5","4","7","5","5","1") = "6"
    & skf21("6","3","5","4","7","5","6","1") = "6"
    & skf21("6","3","5","4","7","5","7","1") = "6"
    & skf21("6","3","5","4","7","6","1","1") = "6"
    & skf21("6","3","5","4","7","6","2","1") = "6"
    & skf21("6","3","5","4","7","6","3","1") = "6"
    & skf21("6","3","5","4","7","6","4","1") = "6"
    & skf21("6","3","5","4","7","6","5","1") = "6"
    & skf21("6","3","5","4","7","6","6","1") = "6"
    & skf21("6","3","5","4","7","6","7","1") = "6"
    & skf21("6","3","5","4","7","7","1","1") = "6"
    & skf21("6","3","5","4","7","7","2","1") = "6"
    & skf21("6","3","5","4","7","7","3","1") = "6"
    & skf21("6","3","5","4","7","7","4","1") = "6"
    & skf21("6","3","5","4","7","7","5","1") = "6"
    & skf21("6","3","5","4","7","7","6","1") = "6"
    & skf21("6","3","5","4","7","7","7","1") = "6"
    & skf21("6","3","5","5","1","1","1","1") = "5"
    & skf21("6","3","5","5","1","1","2","1") = "5"
    & skf21("6","3","5","5","1","1","3","1") = "5"
    & skf21("6","3","5","5","1","1","4","1") = "5"
    & skf21("6","3","5","5","1","1","5","1") = "5"
    & skf21("6","3","5","5","1","1","6","1") = "5"
    & skf21("6","3","5","5","1","1","7","1") = "6"
    & skf21("6","3","5","5","1","2","1","1") = "5"
    & skf21("6","3","5","5","1","2","2","1") = "5"
    & skf21("6","3","5","5","1","2","3","1") = "5"
    & skf21("6","3","5","5","1","2","4","1") = "5"
    & skf21("6","3","5","5","1","2","5","1") = "5"
    & skf21("6","3","5","5","1","2","6","1") = "5"
    & skf21("6","3","5","5","1","2","7","1") = "6"
    & skf21("6","3","5","5","1","3","1","1") = "5"
    & skf21("6","3","5","5","1","3","2","1") = "5"
    & skf21("6","3","5","5","1","3","3","1") = "5"
    & skf21("6","3","5","5","1","3","4","1") = "5"
    & skf21("6","3","5","5","1","3","5","1") = "5"
    & skf21("6","3","5","5","1","3","6","1") = "5"
    & skf21("6","3","5","5","1","3","7","1") = "6"
    & skf21("6","3","5","5","1","4","1","1") = "5"
    & skf21("6","3","5","5","1","4","2","1") = "5"
    & skf21("6","3","5","5","1","4","3","1") = "5"
    & skf21("6","3","5","5","1","4","4","1") = "5"
    & skf21("6","3","5","5","1","4","5","1") = "5"
    & skf21("6","3","5","5","1","4","6","1") = "5"
    & skf21("6","3","5","5","1","4","7","1") = "6"
    & skf21("6","3","5","5","1","5","1","1") = "5"
    & skf21("6","3","5","5","1","5","2","1") = "5"
    & skf21("6","3","5","5","1","5","3","1") = "5"
    & skf21("6","3","5","5","1","5","4","1") = "5"
    & skf21("6","3","5","5","1","5","5","1") = "5"
    & skf21("6","3","5","5","1","5","6","1") = "5"
    & skf21("6","3","5","5","1","5","7","1") = "6"
    & skf21("6","3","5","5","1","6","1","1") = "5"
    & skf21("6","3","5","5","1","6","2","1") = "5"
    & skf21("6","3","5","5","1","6","3","1") = "5"
    & skf21("6","3","5","5","1","6","4","1") = "5"
    & skf21("6","3","5","5","1","6","5","1") = "5"
    & skf21("6","3","5","5","1","6","6","1") = "5"
    & skf21("6","3","5","5","1","6","7","1") = "6"
    & skf21("6","3","5","5","1","7","1","1") = "6"
    & skf21("6","3","5","5","1","7","2","1") = "6"
    & skf21("6","3","5","5","1","7","3","1") = "6"
    & skf21("6","3","5","5","1","7","4","1") = "6"
    & skf21("6","3","5","5","1","7","5","1") = "6"
    & skf21("6","3","5","5","1","7","6","1") = "6"
    & skf21("6","3","5","5","1","7","7","1") = "6"
    & skf21("6","3","5","5","2","1","1","1") = "5"
    & skf21("6","3","5","5","2","1","2","1") = "5"
    & skf21("6","3","5","5","2","1","3","1") = "5"
    & skf21("6","3","5","5","2","1","4","1") = "5"
    & skf21("6","3","5","5","2","1","5","1") = "5"
    & skf21("6","3","5","5","2","1","6","1") = "5"
    & skf21("6","3","5","5","2","1","7","1") = "6"
    & skf21("6","3","5","5","2","2","1","1") = "5"
    & skf21("6","3","5","5","2","2","2","1") = "5"
    & skf21("6","3","5","5","2","2","3","1") = "5"
    & skf21("6","3","5","5","2","2","4","1") = "5"
    & skf21("6","3","5","5","2","2","5","1") = "5"
    & skf21("6","3","5","5","2","2","6","1") = "5"
    & skf21("6","3","5","5","2","2","7","1") = "6"
    & skf21("6","3","5","5","2","3","1","1") = "5"
    & skf21("6","3","5","5","2","3","2","1") = "5"
    & skf21("6","3","5","5","2","3","3","1") = "5"
    & skf21("6","3","5","5","2","3","4","1") = "5"
    & skf21("6","3","5","5","2","3","5","1") = "5"
    & skf21("6","3","5","5","2","3","6","1") = "5"
    & skf21("6","3","5","5","2","3","7","1") = "6"
    & skf21("6","3","5","5","2","4","1","1") = "5"
    & skf21("6","3","5","5","2","4","2","1") = "5"
    & skf21("6","3","5","5","2","4","3","1") = "5"
    & skf21("6","3","5","5","2","4","4","1") = "5"
    & skf21("6","3","5","5","2","4","5","1") = "5"
    & skf21("6","3","5","5","2","4","6","1") = "5"
    & skf21("6","3","5","5","2","4","7","1") = "6"
    & skf21("6","3","5","5","2","5","1","1") = "5"
    & skf21("6","3","5","5","2","5","2","1") = "5"
    & skf21("6","3","5","5","2","5","3","1") = "5"
    & skf21("6","3","5","5","2","5","4","1") = "5"
    & skf21("6","3","5","5","2","5","5","1") = "5"
    & skf21("6","3","5","5","2","5","6","1") = "5"
    & skf21("6","3","5","5","2","5","7","1") = "6"
    & skf21("6","3","5","5","2","6","1","1") = "5"
    & skf21("6","3","5","5","2","6","2","1") = "5"
    & skf21("6","3","5","5","2","6","3","1") = "5"
    & skf21("6","3","5","5","2","6","4","1") = "5"
    & skf21("6","3","5","5","2","6","5","1") = "5"
    & skf21("6","3","5","5","2","6","6","1") = "5"
    & skf21("6","3","5","5","2","6","7","1") = "6"
    & skf21("6","3","5","5","2","7","1","1") = "6"
    & skf21("6","3","5","5","2","7","2","1") = "6"
    & skf21("6","3","5","5","2","7","3","1") = "6"
    & skf21("6","3","5","5","2","7","4","1") = "6"
    & skf21("6","3","5","5","2","7","5","1") = "6"
    & skf21("6","3","5","5","2","7","6","1") = "6"
    & skf21("6","3","5","5","2","7","7","1") = "6"
    & skf21("6","3","5","5","3","1","1","1") = "5"
    & skf21("6","3","5","5","3","1","2","1") = "5"
    & skf21("6","3","5","5","3","1","3","1") = "5"
    & skf21("6","3","5","5","3","1","4","1") = "5"
    & skf21("6","3","5","5","3","1","5","1") = "5"
    & skf21("6","3","5","5","3","1","6","1") = "5"
    & skf21("6","3","5","5","3","1","7","1") = "6"
    & skf21("6","3","5","5","3","2","1","1") = "5"
    & skf21("6","3","5","5","3","2","2","1") = "5"
    & skf21("6","3","5","5","3","2","3","1") = "5"
    & skf21("6","3","5","5","3","2","4","1") = "5"
    & skf21("6","3","5","5","3","2","5","1") = "5"
    & skf21("6","3","5","5","3","2","6","1") = "5"
    & skf21("6","3","5","5","3","2","7","1") = "6"
    & skf21("6","3","5","5","3","3","1","1") = "5"
    & skf21("6","3","5","5","3","3","2","1") = "5"
    & skf21("6","3","5","5","3","3","3","1") = "5"
    & skf21("6","3","5","5","3","3","4","1") = "5"
    & skf21("6","3","5","5","3","3","5","1") = "5"
    & skf21("6","3","5","5","3","3","6","1") = "5"
    & skf21("6","3","5","5","3","3","7","1") = "6"
    & skf21("6","3","5","5","3","4","1","1") = "5"
    & skf21("6","3","5","5","3","4","2","1") = "5"
    & skf21("6","3","5","5","3","4","3","1") = "5"
    & skf21("6","3","5","5","3","4","4","1") = "5"
    & skf21("6","3","5","5","3","4","5","1") = "5"
    & skf21("6","3","5","5","3","4","6","1") = "5"
    & skf21("6","3","5","5","3","4","7","1") = "6"
    & skf21("6","3","5","5","3","5","1","1") = "5"
    & skf21("6","3","5","5","3","5","2","1") = "5"
    & skf21("6","3","5","5","3","5","3","1") = "5"
    & skf21("6","3","5","5","3","5","4","1") = "5"
    & skf21("6","3","5","5","3","5","5","1") = "5"
    & skf21("6","3","5","5","3","5","6","1") = "5"
    & skf21("6","3","5","5","3","5","7","1") = "6"
    & skf21("6","3","5","5","3","6","1","1") = "5"
    & skf21("6","3","5","5","3","6","2","1") = "5"
    & skf21("6","3","5","5","3","6","3","1") = "5"
    & skf21("6","3","5","5","3","6","4","1") = "5"
    & skf21("6","3","5","5","3","6","5","1") = "5"
    & skf21("6","3","5","5","3","6","6","1") = "5"
    & skf21("6","3","5","5","3","6","7","1") = "6"
    & skf21("6","3","5","5","3","7","1","1") = "6"
    & skf21("6","3","5","5","3","7","2","1") = "6"
    & skf21("6","3","5","5","3","7","3","1") = "6"
    & skf21("6","3","5","5","3","7","4","1") = "6"
    & skf21("6","3","5","5","3","7","5","1") = "6"
    & skf21("6","3","5","5","3","7","6","1") = "6"
    & skf21("6","3","5","5","3","7","7","1") = "6"
    & skf21("6","3","5","5","4","1","1","1") = "5"
    & skf21("6","3","5","5","4","1","2","1") = "5"
    & skf21("6","3","5","5","4","1","3","1") = "5"
    & skf21("6","3","5","5","4","1","4","1") = "5"
    & skf21("6","3","5","5","4","1","5","1") = "5"
    & skf21("6","3","5","5","4","1","6","1") = "5"
    & skf21("6","3","5","5","4","1","7","1") = "6"
    & skf21("6","3","5","5","4","2","1","1") = "5"
    & skf21("6","3","5","5","4","2","2","1") = "5"
    & skf21("6","3","5","5","4","2","3","1") = "5"
    & skf21("6","3","5","5","4","2","4","1") = "5"
    & skf21("6","3","5","5","4","2","5","1") = "5"
    & skf21("6","3","5","5","4","2","6","1") = "5"
    & skf21("6","3","5","5","4","2","7","1") = "6"
    & skf21("6","3","5","5","4","3","1","1") = "5"
    & skf21("6","3","5","5","4","3","2","1") = "5"
    & skf21("6","3","5","5","4","3","3","1") = "5"
    & skf21("6","3","5","5","4","3","4","1") = "5"
    & skf21("6","3","5","5","4","3","5","1") = "5"
    & skf21("6","3","5","5","4","3","6","1") = "5"
    & skf21("6","3","5","5","4","3","7","1") = "6"
    & skf21("6","3","5","5","4","4","1","1") = "5"
    & skf21("6","3","5","5","4","4","2","1") = "5"
    & skf21("6","3","5","5","4","4","3","1") = "5"
    & skf21("6","3","5","5","4","4","4","1") = "5"
    & skf21("6","3","5","5","4","4","5","1") = "5"
    & skf21("6","3","5","5","4","4","6","1") = "5"
    & skf21("6","3","5","5","4","4","7","1") = "6"
    & skf21("6","3","5","5","4","5","1","1") = "5"
    & skf21("6","3","5","5","4","5","2","1") = "5"
    & skf21("6","3","5","5","4","5","3","1") = "5"
    & skf21("6","3","5","5","4","5","4","1") = "5"
    & skf21("6","3","5","5","4","5","5","1") = "5"
    & skf21("6","3","5","5","4","5","6","1") = "5"
    & skf21("6","3","5","5","4","5","7","1") = "6"
    & skf21("6","3","5","5","4","6","1","1") = "5"
    & skf21("6","3","5","5","4","6","2","1") = "5"
    & skf21("6","3","5","5","4","6","3","1") = "5"
    & skf21("6","3","5","5","4","6","4","1") = "5"
    & skf21("6","3","5","5","4","6","5","1") = "5"
    & skf21("6","3","5","5","4","6","6","1") = "5"
    & skf21("6","3","5","5","4","6","7","1") = "6"
    & skf21("6","3","5","5","4","7","1","1") = "6"
    & skf21("6","3","5","5","4","7","2","1") = "6"
    & skf21("6","3","5","5","4","7","3","1") = "6"
    & skf21("6","3","5","5","4","7","4","1") = "6"
    & skf21("6","3","5","5","4","7","5","1") = "6"
    & skf21("6","3","5","5","4","7","6","1") = "6"
    & skf21("6","3","5","5","4","7","7","1") = "6"
    & skf21("6","3","5","5","5","1","1","1") = "5"
    & skf21("6","3","5","5","5","1","2","1") = "5"
    & skf21("6","3","5","5","5","1","3","1") = "5"
    & skf21("6","3","5","5","5","1","4","1") = "5"
    & skf21("6","3","5","5","5","1","5","1") = "5"
    & skf21("6","3","5","5","5","1","6","1") = "5"
    & skf21("6","3","5","5","5","1","7","1") = "6"
    & skf21("6","3","5","5","5","2","1","1") = "5"
    & skf21("6","3","5","5","5","2","2","1") = "5"
    & skf21("6","3","5","5","5","2","3","1") = "5"
    & skf21("6","3","5","5","5","2","4","1") = "5"
    & skf21("6","3","5","5","5","2","5","1") = "5"
    & skf21("6","3","5","5","5","2","6","1") = "5"
    & skf21("6","3","5","5","5","2","7","1") = "6"
    & skf21("6","3","5","5","5","3","1","1") = "5"
    & skf21("6","3","5","5","5","3","2","1") = "5"
    & skf21("6","3","5","5","5","3","3","1") = "5"
    & skf21("6","3","5","5","5","3","4","1") = "5"
    & skf21("6","3","5","5","5","3","5","1") = "5"
    & skf21("6","3","5","5","5","3","6","1") = "5"
    & skf21("6","3","5","5","5","3","7","1") = "6"
    & skf21("6","3","5","5","5","4","1","1") = "5"
    & skf21("6","3","5","5","5","4","2","1") = "5"
    & skf21("6","3","5","5","5","4","3","1") = "5"
    & skf21("6","3","5","5","5","4","4","1") = "5"
    & skf21("6","3","5","5","5","4","5","1") = "5"
    & skf21("6","3","5","5","5","4","6","1") = "5"
    & skf21("6","3","5","5","5","4","7","1") = "6"
    & skf21("6","3","5","5","5","5","1","1") = "5"
    & skf21("6","3","5","5","5","5","2","1") = "5"
    & skf21("6","3","5","5","5","5","3","1") = "5"
    & skf21("6","3","5","5","5","5","4","1") = "5"
    & skf21("6","3","5","5","5","5","5","1") = "5"
    & skf21("6","3","5","5","5","5","6","1") = "5"
    & skf21("6","3","5","5","5","5","7","1") = "6"
    & skf21("6","3","5","5","5","6","1","1") = "5"
    & skf21("6","3","5","5","5","6","2","1") = "5"
    & skf21("6","3","5","5","5","6","3","1") = "5"
    & skf21("6","3","5","5","5","6","4","1") = "5"
    & skf21("6","3","5","5","5","6","5","1") = "5"
    & skf21("6","3","5","5","5","6","6","1") = "5"
    & skf21("6","3","5","5","5","6","7","1") = "6"
    & skf21("6","3","5","5","5","7","1","1") = "6"
    & skf21("6","3","5","5","5","7","2","1") = "6"
    & skf21("6","3","5","5","5","7","3","1") = "6"
    & skf21("6","3","5","5","5","7","4","1") = "6"
    & skf21("6","3","5","5","5","7","5","1") = "6"
    & skf21("6","3","5","5","5","7","6","1") = "6"
    & skf21("6","3","5","5","5","7","7","1") = "6"
    & skf21("6","3","5","5","6","1","1","1") = "5"
    & skf21("6","3","5","5","6","1","2","1") = "5"
    & skf21("6","3","5","5","6","1","3","1") = "5"
    & skf21("6","3","5","5","6","1","4","1") = "5"
    & skf21("6","3","5","5","6","1","5","1") = "5"
    & skf21("6","3","5","5","6","1","6","1") = "5"
    & skf21("6","3","5","5","6","1","7","1") = "6"
    & skf21("6","3","5","5","6","2","1","1") = "5"
    & skf21("6","3","5","5","6","2","2","1") = "5"
    & skf21("6","3","5","5","6","2","3","1") = "5"
    & skf21("6","3","5","5","6","2","4","1") = "5"
    & skf21("6","3","5","5","6","2","5","1") = "5"
    & skf21("6","3","5","5","6","2","6","1") = "5"
    & skf21("6","3","5","5","6","2","7","1") = "6"
    & skf21("6","3","5","5","6","3","1","1") = "5"
    & skf21("6","3","5","5","6","3","2","1") = "5"
    & skf21("6","3","5","5","6","3","3","1") = "5"
    & skf21("6","3","5","5","6","3","4","1") = "5"
    & skf21("6","3","5","5","6","3","5","1") = "5"
    & skf21("6","3","5","5","6","3","6","1") = "5"
    & skf21("6","3","5","5","6","3","7","1") = "6"
    & skf21("6","3","5","5","6","4","1","1") = "5"
    & skf21("6","3","5","5","6","4","2","1") = "5"
    & skf21("6","3","5","5","6","4","3","1") = "5"
    & skf21("6","3","5","5","6","4","4","1") = "5"
    & skf21("6","3","5","5","6","4","5","1") = "5"
    & skf21("6","3","5","5","6","4","6","1") = "5"
    & skf21("6","3","5","5","6","4","7","1") = "6"
    & skf21("6","3","5","5","6","5","1","1") = "5"
    & skf21("6","3","5","5","6","5","2","1") = "5"
    & skf21("6","3","5","5","6","5","3","1") = "5"
    & skf21("6","3","5","5","6","5","4","1") = "5"
    & skf21("6","3","5","5","6","5","5","1") = "5"
    & skf21("6","3","5","5","6","5","6","1") = "5"
    & skf21("6","3","5","5","6","5","7","1") = "6"
    & skf21("6","3","5","5","6","6","1","1") = "5"
    & skf21("6","3","5","5","6","6","2","1") = "5"
    & skf21("6","3","5","5","6","6","3","1") = "5"
    & skf21("6","3","5","5","6","6","4","1") = "5"
    & skf21("6","3","5","5","6","6","5","1") = "5"
    & skf21("6","3","5","5","6","6","6","1") = "5"
    & skf21("6","3","5","5","6","6","7","1") = "6"
    & skf21("6","3","5","5","6","7","1","1") = "6"
    & skf21("6","3","5","5","6","7","2","1") = "6"
    & skf21("6","3","5","5","6","7","3","1") = "6"
    & skf21("6","3","5","5","6","7","4","1") = "6"
    & skf21("6","3","5","5","6","7","5","1") = "6"
    & skf21("6","3","5","5","6","7","6","1") = "6"
    & skf21("6","3","5","5","6","7","7","1") = "6"
    & skf21("6","3","5","5","7","1","1","1") = "6"
    & skf21("6","3","5","5","7","1","2","1") = "6"
    & skf21("6","3","5","5","7","1","3","1") = "6"
    & skf21("6","3","5","5","7","1","4","1") = "6"
    & skf21("6","3","5","5","7","1","5","1") = "6"
    & skf21("6","3","5","5","7","1","6","1") = "6"
    & skf21("6","3","5","5","7","1","7","1") = "6"
    & skf21("6","3","5","5","7","2","1","1") = "6"
    & skf21("6","3","5","5","7","2","2","1") = "6"
    & skf21("6","3","5","5","7","2","3","1") = "6"
    & skf21("6","3","5","5","7","2","4","1") = "6"
    & skf21("6","3","5","5","7","2","5","1") = "6"
    & skf21("6","3","5","5","7","2","6","1") = "6"
    & skf21("6","3","5","5","7","2","7","1") = "6"
    & skf21("6","3","5","5","7","3","1","1") = "6"
    & skf21("6","3","5","5","7","3","2","1") = "6"
    & skf21("6","3","5","5","7","3","3","1") = "6"
    & skf21("6","3","5","5","7","3","4","1") = "6"
    & skf21("6","3","5","5","7","3","5","1") = "6"
    & skf21("6","3","5","5","7","3","6","1") = "6"
    & skf21("6","3","5","5","7","3","7","1") = "6"
    & skf21("6","3","5","5","7","4","1","1") = "6"
    & skf21("6","3","5","5","7","4","2","1") = "6"
    & skf21("6","3","5","5","7","4","3","1") = "6"
    & skf21("6","3","5","5","7","4","4","1") = "6"
    & skf21("6","3","5","5","7","4","5","1") = "6"
    & skf21("6","3","5","5","7","4","6","1") = "6"
    & skf21("6","3","5","5","7","4","7","1") = "6"
    & skf21("6","3","5","5","7","5","1","1") = "6"
    & skf21("6","3","5","5","7","5","2","1") = "6"
    & skf21("6","3","5","5","7","5","3","1") = "6"
    & skf21("6","3","5","5","7","5","4","1") = "6"
    & skf21("6","3","5","5","7","5","5","1") = "6"
    & skf21("6","3","5","5","7","5","6","1") = "6"
    & skf21("6","3","5","5","7","5","7","1") = "6"
    & skf21("6","3","5","5","7","6","1","1") = "6"
    & skf21("6","3","5","5","7","6","2","1") = "6"
    & skf21("6","3","5","5","7","6","3","1") = "6"
    & skf21("6","3","5","5","7","6","4","1") = "6"
    & skf21("6","3","5","5","7","6","5","1") = "6"
    & skf21("6","3","5","5","7","6","6","1") = "6"
    & skf21("6","3","5","5","7","6","7","1") = "6"
    & skf21("6","3","5","5","7","7","1","1") = "6"
    & skf21("6","3","5","5","7","7","2","1") = "6"
    & skf21("6","3","5","5","7","7","3","1") = "6"
    & skf21("6","3","5","5","7","7","4","1") = "6"
    & skf21("6","3","5","5","7","7","5","1") = "6"
    & skf21("6","3","5","5","7","7","6","1") = "6"
    & skf21("6","3","5","5","7","7","7","1") = "6"
    & skf21("6","3","5","6","1","1","1","1") = "5"
    & skf21("6","3","5","6","1","1","2","1") = "5"
    & skf21("6","3","5","6","1","1","3","1") = "5"
    & skf21("6","3","5","6","1","1","4","1") = "5"
    & skf21("6","3","5","6","1","1","5","1") = "5"
    & skf21("6","3","5","6","1","1","6","1") = "5"
    & skf21("6","3","5","6","1","1","7","1") = "6"
    & skf21("6","3","5","6","1","2","1","1") = "5"
    & skf21("6","3","5","6","1","2","2","1") = "5"
    & skf21("6","3","5","6","1","2","3","1") = "5"
    & skf21("6","3","5","6","1","2","4","1") = "5"
    & skf21("6","3","5","6","1","2","5","1") = "5"
    & skf21("6","3","5","6","1","2","6","1") = "5"
    & skf21("6","3","5","6","1","2","7","1") = "6"
    & skf21("6","3","5","6","1","3","1","1") = "5"
    & skf21("6","3","5","6","1","3","2","1") = "5"
    & skf21("6","3","5","6","1","3","3","1") = "5"
    & skf21("6","3","5","6","1","3","4","1") = "5"
    & skf21("6","3","5","6","1","3","5","1") = "5"
    & skf21("6","3","5","6","1","3","6","1") = "5"
    & skf21("6","3","5","6","1","3","7","1") = "6"
    & skf21("6","3","5","6","1","4","1","1") = "5"
    & skf21("6","3","5","6","1","4","2","1") = "5"
    & skf21("6","3","5","6","1","4","3","1") = "5"
    & skf21("6","3","5","6","1","4","4","1") = "5"
    & skf21("6","3","5","6","1","4","5","1") = "5"
    & skf21("6","3","5","6","1","4","6","1") = "5"
    & skf21("6","3","5","6","1","4","7","1") = "6"
    & skf21("6","3","5","6","1","5","1","1") = "5"
    & skf21("6","3","5","6","1","5","2","1") = "5"
    & skf21("6","3","5","6","1","5","3","1") = "5"
    & skf21("6","3","5","6","1","5","4","1") = "5"
    & skf21("6","3","5","6","1","5","5","1") = "5"
    & skf21("6","3","5","6","1","5","6","1") = "5"
    & skf21("6","3","5","6","1","5","7","1") = "6"
    & skf21("6","3","5","6","1","6","1","1") = "5"
    & skf21("6","3","5","6","1","6","2","1") = "5"
    & skf21("6","3","5","6","1","6","3","1") = "5"
    & skf21("6","3","5","6","1","6","4","1") = "5"
    & skf21("6","3","5","6","1","6","5","1") = "5"
    & skf21("6","3","5","6","1","6","6","1") = "5"
    & skf21("6","3","5","6","1","6","7","1") = "6"
    & skf21("6","3","5","6","1","7","1","1") = "6"
    & skf21("6","3","5","6","1","7","2","1") = "6"
    & skf21("6","3","5","6","1","7","3","1") = "6"
    & skf21("6","3","5","6","1","7","4","1") = "6"
    & skf21("6","3","5","6","1","7","5","1") = "6"
    & skf21("6","3","5","6","1","7","6","1") = "6"
    & skf21("6","3","5","6","1","7","7","1") = "6"
    & skf21("6","3","5","6","2","1","1","1") = "5"
    & skf21("6","3","5","6","2","1","2","1") = "5"
    & skf21("6","3","5","6","2","1","3","1") = "5"
    & skf21("6","3","5","6","2","1","4","1") = "5"
    & skf21("6","3","5","6","2","1","5","1") = "5"
    & skf21("6","3","5","6","2","1","6","1") = "5"
    & skf21("6","3","5","6","2","1","7","1") = "6"
    & skf21("6","3","5","6","2","2","1","1") = "5"
    & skf21("6","3","5","6","2","2","2","1") = "5"
    & skf21("6","3","5","6","2","2","3","1") = "5"
    & skf21("6","3","5","6","2","2","4","1") = "5"
    & skf21("6","3","5","6","2","2","5","1") = "5"
    & skf21("6","3","5","6","2","2","6","1") = "5"
    & skf21("6","3","5","6","2","2","7","1") = "6"
    & skf21("6","3","5","6","2","3","1","1") = "5"
    & skf21("6","3","5","6","2","3","2","1") = "5"
    & skf21("6","3","5","6","2","3","3","1") = "5"
    & skf21("6","3","5","6","2","3","4","1") = "5"
    & skf21("6","3","5","6","2","3","5","1") = "5"
    & skf21("6","3","5","6","2","3","6","1") = "5"
    & skf21("6","3","5","6","2","3","7","1") = "6"
    & skf21("6","3","5","6","2","4","1","1") = "5"
    & skf21("6","3","5","6","2","4","2","1") = "5"
    & skf21("6","3","5","6","2","4","3","1") = "5"
    & skf21("6","3","5","6","2","4","4","1") = "5"
    & skf21("6","3","5","6","2","4","5","1") = "5"
    & skf21("6","3","5","6","2","4","6","1") = "5"
    & skf21("6","3","5","6","2","4","7","1") = "6"
    & skf21("6","3","5","6","2","5","1","1") = "5"
    & skf21("6","3","5","6","2","5","2","1") = "5"
    & skf21("6","3","5","6","2","5","3","1") = "5"
    & skf21("6","3","5","6","2","5","4","1") = "5"
    & skf21("6","3","5","6","2","5","5","1") = "5"
    & skf21("6","3","5","6","2","5","6","1") = "5"
    & skf21("6","3","5","6","2","5","7","1") = "6"
    & skf21("6","3","5","6","2","6","1","1") = "5"
    & skf21("6","3","5","6","2","6","2","1") = "5"
    & skf21("6","3","5","6","2","6","3","1") = "5"
    & skf21("6","3","5","6","2","6","4","1") = "5"
    & skf21("6","3","5","6","2","6","5","1") = "5"
    & skf21("6","3","5","6","2","6","6","1") = "5"
    & skf21("6","3","5","6","2","6","7","1") = "6"
    & skf21("6","3","5","6","2","7","1","1") = "6"
    & skf21("6","3","5","6","2","7","2","1") = "6"
    & skf21("6","3","5","6","2","7","3","1") = "6"
    & skf21("6","3","5","6","2","7","4","1") = "6"
    & skf21("6","3","5","6","2","7","5","1") = "6"
    & skf21("6","3","5","6","2","7","6","1") = "6"
    & skf21("6","3","5","6","2","7","7","1") = "6"
    & skf21("6","3","5","6","3","1","1","1") = "5"
    & skf21("6","3","5","6","3","1","2","1") = "5"
    & skf21("6","3","5","6","3","1","3","1") = "5"
    & skf21("6","3","5","6","3","1","4","1") = "5"
    & skf21("6","3","5","6","3","1","5","1") = "5"
    & skf21("6","3","5","6","3","1","6","1") = "5"
    & skf21("6","3","5","6","3","1","7","1") = "6"
    & skf21("6","3","5","6","3","2","1","1") = "5"
    & skf21("6","3","5","6","3","2","2","1") = "5"
    & skf21("6","3","5","6","3","2","3","1") = "5"
    & skf21("6","3","5","6","3","2","4","1") = "5"
    & skf21("6","3","5","6","3","2","5","1") = "5"
    & skf21("6","3","5","6","3","2","6","1") = "5"
    & skf21("6","3","5","6","3","2","7","1") = "6"
    & skf21("6","3","5","6","3","3","1","1") = "5"
    & skf21("6","3","5","6","3","3","2","1") = "5"
    & skf21("6","3","5","6","3","3","3","1") = "5"
    & skf21("6","3","5","6","3","3","4","1") = "5"
    & skf21("6","3","5","6","3","3","5","1") = "5"
    & skf21("6","3","5","6","3","3","6","1") = "5"
    & skf21("6","3","5","6","3","3","7","1") = "6"
    & skf21("6","3","5","6","3","4","1","1") = "5"
    & skf21("6","3","5","6","3","4","2","1") = "5"
    & skf21("6","3","5","6","3","4","3","1") = "5"
    & skf21("6","3","5","6","3","4","4","1") = "5"
    & skf21("6","3","5","6","3","4","5","1") = "5"
    & skf21("6","3","5","6","3","4","6","1") = "5"
    & skf21("6","3","5","6","3","4","7","1") = "6"
    & skf21("6","3","5","6","3","5","1","1") = "5"
    & skf21("6","3","5","6","3","5","2","1") = "5"
    & skf21("6","3","5","6","3","5","3","1") = "5"
    & skf21("6","3","5","6","3","5","4","1") = "5"
    & skf21("6","3","5","6","3","5","5","1") = "5"
    & skf21("6","3","5","6","3","5","6","1") = "5"
    & skf21("6","3","5","6","3","5","7","1") = "6"
    & skf21("6","3","5","6","3","6","1","1") = "5"
    & skf21("6","3","5","6","3","6","2","1") = "5"
    & skf21("6","3","5","6","3","6","3","1") = "5"
    & skf21("6","3","5","6","3","6","4","1") = "5"
    & skf21("6","3","5","6","3","6","5","1") = "5"
    & skf21("6","3","5","6","3","6","6","1") = "5"
    & skf21("6","3","5","6","3","6","7","1") = "6"
    & skf21("6","3","5","6","3","7","1","1") = "6"
    & skf21("6","3","5","6","3","7","2","1") = "6"
    & skf21("6","3","5","6","3","7","3","1") = "6"
    & skf21("6","3","5","6","3","7","4","1") = "6"
    & skf21("6","3","5","6","3","7","5","1") = "6"
    & skf21("6","3","5","6","3","7","6","1") = "6"
    & skf21("6","3","5","6","3","7","7","1") = "6"
    & skf21("6","3","5","6","4","1","1","1") = "5"
    & skf21("6","3","5","6","4","1","2","1") = "5"
    & skf21("6","3","5","6","4","1","3","1") = "5"
    & skf21("6","3","5","6","4","1","4","1") = "5"
    & skf21("6","3","5","6","4","1","5","1") = "5"
    & skf21("6","3","5","6","4","1","6","1") = "5"
    & skf21("6","3","5","6","4","1","7","1") = "6"
    & skf21("6","3","5","6","4","2","1","1") = "5"
    & skf21("6","3","5","6","4","2","2","1") = "5"
    & skf21("6","3","5","6","4","2","3","1") = "5"
    & skf21("6","3","5","6","4","2","4","1") = "5"
    & skf21("6","3","5","6","4","2","5","1") = "5"
    & skf21("6","3","5","6","4","2","6","1") = "5"
    & skf21("6","3","5","6","4","2","7","1") = "6"
    & skf21("6","3","5","6","4","3","1","1") = "5"
    & skf21("6","3","5","6","4","3","2","1") = "5"
    & skf21("6","3","5","6","4","3","3","1") = "5"
    & skf21("6","3","5","6","4","3","4","1") = "5"
    & skf21("6","3","5","6","4","3","5","1") = "5"
    & skf21("6","3","5","6","4","3","6","1") = "5"
    & skf21("6","3","5","6","4","3","7","1") = "6"
    & skf21("6","3","5","6","4","4","1","1") = "5"
    & skf21("6","3","5","6","4","4","2","1") = "5"
    & skf21("6","3","5","6","4","4","3","1") = "5"
    & skf21("6","3","5","6","4","4","4","1") = "5"
    & skf21("6","3","5","6","4","4","5","1") = "5"
    & skf21("6","3","5","6","4","4","6","1") = "5"
    & skf21("6","3","5","6","4","4","7","1") = "6"
    & skf21("6","3","5","6","4","5","1","1") = "5"
    & skf21("6","3","5","6","4","5","2","1") = "5"
    & skf21("6","3","5","6","4","5","3","1") = "5"
    & skf21("6","3","5","6","4","5","4","1") = "5"
    & skf21("6","3","5","6","4","5","5","1") = "5"
    & skf21("6","3","5","6","4","5","6","1") = "5"
    & skf21("6","3","5","6","4","5","7","1") = "6"
    & skf21("6","3","5","6","4","6","1","1") = "5"
    & skf21("6","3","5","6","4","6","2","1") = "5"
    & skf21("6","3","5","6","4","6","3","1") = "5"
    & skf21("6","3","5","6","4","6","4","1") = "5"
    & skf21("6","3","5","6","4","6","5","1") = "5"
    & skf21("6","3","5","6","4","6","6","1") = "5"
    & skf21("6","3","5","6","4","6","7","1") = "6"
    & skf21("6","3","5","6","4","7","1","1") = "6"
    & skf21("6","3","5","6","4","7","2","1") = "6"
    & skf21("6","3","5","6","4","7","3","1") = "6"
    & skf21("6","3","5","6","4","7","4","1") = "6"
    & skf21("6","3","5","6","4","7","5","1") = "6"
    & skf21("6","3","5","6","4","7","6","1") = "6"
    & skf21("6","3","5","6","4","7","7","1") = "6"
    & skf21("6","3","5","6","5","1","1","1") = "5"
    & skf21("6","3","5","6","5","1","2","1") = "5"
    & skf21("6","3","5","6","5","1","3","1") = "5"
    & skf21("6","3","5","6","5","1","4","1") = "5"
    & skf21("6","3","5","6","5","1","5","1") = "5"
    & skf21("6","3","5","6","5","1","6","1") = "5"
    & skf21("6","3","5","6","5","1","7","1") = "6"
    & skf21("6","3","5","6","5","2","1","1") = "5"
    & skf21("6","3","5","6","5","2","2","1") = "5"
    & skf21("6","3","5","6","5","2","3","1") = "5"
    & skf21("6","3","5","6","5","2","4","1") = "5"
    & skf21("6","3","5","6","5","2","5","1") = "5"
    & skf21("6","3","5","6","5","2","6","1") = "5"
    & skf21("6","3","5","6","5","2","7","1") = "6"
    & skf21("6","3","5","6","5","3","1","1") = "5"
    & skf21("6","3","5","6","5","3","2","1") = "5"
    & skf21("6","3","5","6","5","3","3","1") = "5"
    & skf21("6","3","5","6","5","3","4","1") = "5"
    & skf21("6","3","5","6","5","3","5","1") = "5"
    & skf21("6","3","5","6","5","3","6","1") = "5"
    & skf21("6","3","5","6","5","3","7","1") = "6"
    & skf21("6","3","5","6","5","4","1","1") = "5"
    & skf21("6","3","5","6","5","4","2","1") = "5"
    & skf21("6","3","5","6","5","4","3","1") = "5"
    & skf21("6","3","5","6","5","4","4","1") = "5"
    & skf21("6","3","5","6","5","4","5","1") = "5"
    & skf21("6","3","5","6","5","4","6","1") = "5"
    & skf21("6","3","5","6","5","4","7","1") = "6"
    & skf21("6","3","5","6","5","5","1","1") = "5"
    & skf21("6","3","5","6","5","5","2","1") = "5"
    & skf21("6","3","5","6","5","5","3","1") = "5"
    & skf21("6","3","5","6","5","5","4","1") = "5"
    & skf21("6","3","5","6","5","5","5","1") = "5"
    & skf21("6","3","5","6","5","5","6","1") = "5"
    & skf21("6","3","5","6","5","5","7","1") = "6"
    & skf21("6","3","5","6","5","6","1","1") = "5"
    & skf21("6","3","5","6","5","6","2","1") = "5"
    & skf21("6","3","5","6","5","6","3","1") = "5"
    & skf21("6","3","5","6","5","6","4","1") = "5"
    & skf21("6","3","5","6","5","6","5","1") = "5"
    & skf21("6","3","5","6","5","6","6","1") = "5"
    & skf21("6","3","5","6","5","6","7","1") = "6"
    & skf21("6","3","5","6","5","7","1","1") = "6"
    & skf21("6","3","5","6","5","7","2","1") = "6"
    & skf21("6","3","5","6","5","7","3","1") = "6"
    & skf21("6","3","5","6","5","7","4","1") = "6"
    & skf21("6","3","5","6","5","7","5","1") = "6"
    & skf21("6","3","5","6","5","7","6","1") = "6"
    & skf21("6","3","5","6","5","7","7","1") = "6"
    & skf21("6","3","5","6","6","1","1","1") = "5"
    & skf21("6","3","5","6","6","1","2","1") = "5"
    & skf21("6","3","5","6","6","1","3","1") = "5"
    & skf21("6","3","5","6","6","1","4","1") = "5"
    & skf21("6","3","5","6","6","1","5","1") = "5"
    & skf21("6","3","5","6","6","1","6","1") = "5"
    & skf21("6","3","5","6","6","1","7","1") = "6"
    & skf21("6","3","5","6","6","2","1","1") = "5"
    & skf21("6","3","5","6","6","2","2","1") = "5"
    & skf21("6","3","5","6","6","2","3","1") = "5"
    & skf21("6","3","5","6","6","2","4","1") = "5"
    & skf21("6","3","5","6","6","2","5","1") = "5"
    & skf21("6","3","5","6","6","2","6","1") = "5"
    & skf21("6","3","5","6","6","2","7","1") = "6"
    & skf21("6","3","5","6","6","3","1","1") = "5"
    & skf21("6","3","5","6","6","3","2","1") = "5"
    & skf21("6","3","5","6","6","3","3","1") = "5"
    & skf21("6","3","5","6","6","3","4","1") = "5"
    & skf21("6","3","5","6","6","3","5","1") = "5"
    & skf21("6","3","5","6","6","3","6","1") = "5"
    & skf21("6","3","5","6","6","3","7","1") = "6"
    & skf21("6","3","5","6","6","4","1","1") = "5"
    & skf21("6","3","5","6","6","4","2","1") = "5"
    & skf21("6","3","5","6","6","4","3","1") = "5"
    & skf21("6","3","5","6","6","4","4","1") = "5"
    & skf21("6","3","5","6","6","4","5","1") = "5"
    & skf21("6","3","5","6","6","4","6","1") = "5"
    & skf21("6","3","5","6","6","4","7","1") = "6"
    & skf21("6","3","5","6","6","5","1","1") = "5"
    & skf21("6","3","5","6","6","5","2","1") = "5"
    & skf21("6","3","5","6","6","5","3","1") = "5"
    & skf21("6","3","5","6","6","5","4","1") = "5"
    & skf21("6","3","5","6","6","5","5","1") = "5"
    & skf21("6","3","5","6","6","5","6","1") = "5"
    & skf21("6","3","5","6","6","5","7","1") = "6"
    & skf21("6","3","5","6","6","6","1","1") = "5"
    & skf21("6","3","5","6","6","6","2","1") = "5"
    & skf21("6","3","5","6","6","6","3","1") = "5"
    & skf21("6","3","5","6","6","6","4","1") = "5"
    & skf21("6","3","5","6","6","6","5","1") = "5"
    & skf21("6","3","5","6","6","6","6","1") = "5"
    & skf21("6","3","5","6","6","6","7","1") = "6"
    & skf21("6","3","5","6","6","7","1","1") = "6"
    & skf21("6","3","5","6","6","7","2","1") = "6"
    & skf21("6","3","5","6","6","7","3","1") = "6"
    & skf21("6","3","5","6","6","7","4","1") = "6"
    & skf21("6","3","5","6","6","7","5","1") = "6"
    & skf21("6","3","5","6","6","7","6","1") = "6"
    & skf21("6","3","5","6","6","7","7","1") = "6"
    & skf21("6","3","5","6","7","1","1","1") = "6"
    & skf21("6","3","5","6","7","1","2","1") = "6"
    & skf21("6","3","5","6","7","1","3","1") = "6"
    & skf21("6","3","5","6","7","1","4","1") = "6"
    & skf21("6","3","5","6","7","1","5","1") = "6"
    & skf21("6","3","5","6","7","1","6","1") = "6"
    & skf21("6","3","5","6","7","1","7","1") = "6"
    & skf21("6","3","5","6","7","2","1","1") = "6"
    & skf21("6","3","5","6","7","2","2","1") = "6"
    & skf21("6","3","5","6","7","2","3","1") = "6"
    & skf21("6","3","5","6","7","2","4","1") = "6"
    & skf21("6","3","5","6","7","2","5","1") = "6"
    & skf21("6","3","5","6","7","2","6","1") = "6"
    & skf21("6","3","5","6","7","2","7","1") = "6"
    & skf21("6","3","5","6","7","3","1","1") = "6"
    & skf21("6","3","5","6","7","3","2","1") = "6"
    & skf21("6","3","5","6","7","3","3","1") = "6"
    & skf21("6","3","5","6","7","3","4","1") = "6"
    & skf21("6","3","5","6","7","3","5","1") = "6"
    & skf21("6","3","5","6","7","3","6","1") = "6"
    & skf21("6","3","5","6","7","3","7","1") = "6"
    & skf21("6","3","5","6","7","4","1","1") = "6"
    & skf21("6","3","5","6","7","4","2","1") = "6"
    & skf21("6","3","5","6","7","4","3","1") = "6"
    & skf21("6","3","5","6","7","4","4","1") = "6"
    & skf21("6","3","5","6","7","4","5","1") = "6"
    & skf21("6","3","5","6","7","4","6","1") = "6"
    & skf21("6","3","5","6","7","4","7","1") = "6"
    & skf21("6","3","5","6","7","5","1","1") = "6"
    & skf21("6","3","5","6","7","5","2","1") = "6"
    & skf21("6","3","5","6","7","5","3","1") = "6"
    & skf21("6","3","5","6","7","5","4","1") = "6"
    & skf21("6","3","5","6","7","5","5","1") = "6"
    & skf21("6","3","5","6","7","5","6","1") = "6"
    & skf21("6","3","5","6","7","5","7","1") = "6"
    & skf21("6","3","5","6","7","6","1","1") = "6"
    & skf21("6","3","5","6","7","6","2","1") = "6"
    & skf21("6","3","5","6","7","6","3","1") = "6"
    & skf21("6","3","5","6","7","6","4","1") = "6"
    & skf21("6","3","5","6","7","6","5","1") = "6"
    & skf21("6","3","5","6","7","6","6","1") = "6"
    & skf21("6","3","5","6","7","6","7","1") = "6"
    & skf21("6","3","5","6","7","7","1","1") = "6"
    & skf21("6","3","5","6","7","7","2","1") = "6"
    & skf21("6","3","5","6","7","7","3","1") = "6"
    & skf21("6","3","5","6","7","7","4","1") = "6"
    & skf21("6","3","5","6","7","7","5","1") = "6"
    & skf21("6","3","5","6","7","7","6","1") = "6"
    & skf21("6","3","5","6","7","7","7","1") = "6"
    & skf21("6","3","5","7","1","1","1","1") = "6"
    & skf21("6","3","5","7","1","1","2","1") = "6"
    & skf21("6","3","5","7","1","1","3","1") = "6"
    & skf21("6","3","5","7","1","1","4","1") = "6"
    & skf21("6","3","5","7","1","1","5","1") = "6"
    & skf21("6","3","5","7","1","1","6","1") = "6"
    & skf21("6","3","5","7","1","1","7","1") = "6"
    & skf21("6","3","5","7","1","2","1","1") = "6"
    & skf21("6","3","5","7","1","2","2","1") = "6"
    & skf21("6","3","5","7","1","2","3","1") = "6"
    & skf21("6","3","5","7","1","2","4","1") = "6"
    & skf21("6","3","5","7","1","2","5","1") = "6"
    & skf21("6","3","5","7","1","2","6","1") = "6"
    & skf21("6","3","5","7","1","2","7","1") = "6"
    & skf21("6","3","5","7","1","3","1","1") = "6"
    & skf21("6","3","5","7","1","3","2","1") = "6"
    & skf21("6","3","5","7","1","3","3","1") = "6"
    & skf21("6","3","5","7","1","3","4","1") = "6"
    & skf21("6","3","5","7","1","3","5","1") = "6"
    & skf21("6","3","5","7","1","3","6","1") = "6"
    & skf21("6","3","5","7","1","3","7","1") = "6"
    & skf21("6","3","5","7","1","4","1","1") = "6"
    & skf21("6","3","5","7","1","4","2","1") = "6"
    & skf21("6","3","5","7","1","4","3","1") = "6"
    & skf21("6","3","5","7","1","4","4","1") = "6"
    & skf21("6","3","5","7","1","4","5","1") = "6"
    & skf21("6","3","5","7","1","4","6","1") = "6"
    & skf21("6","3","5","7","1","4","7","1") = "6"
    & skf21("6","3","5","7","1","5","1","1") = "6"
    & skf21("6","3","5","7","1","5","2","1") = "6"
    & skf21("6","3","5","7","1","5","3","1") = "6"
    & skf21("6","3","5","7","1","5","4","1") = "6"
    & skf21("6","3","5","7","1","5","5","1") = "6"
    & skf21("6","3","5","7","1","5","6","1") = "6"
    & skf21("6","3","5","7","1","5","7","1") = "6"
    & skf21("6","3","5","7","1","6","1","1") = "6"
    & skf21("6","3","5","7","1","6","2","1") = "6"
    & skf21("6","3","5","7","1","6","3","1") = "6"
    & skf21("6","3","5","7","1","6","4","1") = "6"
    & skf21("6","3","5","7","1","6","5","1") = "6"
    & skf21("6","3","5","7","1","6","6","1") = "6"
    & skf21("6","3","5","7","1","6","7","1") = "6"
    & skf21("6","3","5","7","1","7","1","1") = "6"
    & skf21("6","3","5","7","1","7","2","1") = "6"
    & skf21("6","3","5","7","1","7","3","1") = "6"
    & skf21("6","3","5","7","1","7","4","1") = "6"
    & skf21("6","3","5","7","1","7","5","1") = "6"
    & skf21("6","3","5","7","1","7","6","1") = "6"
    & skf21("6","3","5","7","1","7","7","1") = "6"
    & skf21("6","3","5","7","2","1","1","1") = "6"
    & skf21("6","3","5","7","2","1","2","1") = "6"
    & skf21("6","3","5","7","2","1","3","1") = "6"
    & skf21("6","3","5","7","2","1","4","1") = "6"
    & skf21("6","3","5","7","2","1","5","1") = "6"
    & skf21("6","3","5","7","2","1","6","1") = "6"
    & skf21("6","3","5","7","2","1","7","1") = "6"
    & skf21("6","3","5","7","2","2","1","1") = "6"
    & skf21("6","3","5","7","2","2","2","1") = "6"
    & skf21("6","3","5","7","2","2","3","1") = "6"
    & skf21("6","3","5","7","2","2","4","1") = "6"
    & skf21("6","3","5","7","2","2","5","1") = "6"
    & skf21("6","3","5","7","2","2","6","1") = "6"
    & skf21("6","3","5","7","2","2","7","1") = "6"
    & skf21("6","3","5","7","2","3","1","1") = "6"
    & skf21("6","3","5","7","2","3","2","1") = "6"
    & skf21("6","3","5","7","2","3","3","1") = "6"
    & skf21("6","3","5","7","2","3","4","1") = "6"
    & skf21("6","3","5","7","2","3","5","1") = "6"
    & skf21("6","3","5","7","2","3","6","1") = "6"
    & skf21("6","3","5","7","2","3","7","1") = "6"
    & skf21("6","3","5","7","2","4","1","1") = "6"
    & skf21("6","3","5","7","2","4","2","1") = "6"
    & skf21("6","3","5","7","2","4","3","1") = "6"
    & skf21("6","3","5","7","2","4","4","1") = "6"
    & skf21("6","3","5","7","2","4","5","1") = "6"
    & skf21("6","3","5","7","2","4","6","1") = "6"
    & skf21("6","3","5","7","2","4","7","1") = "6"
    & skf21("6","3","5","7","2","5","1","1") = "6"
    & skf21("6","3","5","7","2","5","2","1") = "6"
    & skf21("6","3","5","7","2","5","3","1") = "6"
    & skf21("6","3","5","7","2","5","4","1") = "6"
    & skf21("6","3","5","7","2","5","5","1") = "6"
    & skf21("6","3","5","7","2","5","6","1") = "6"
    & skf21("6","3","5","7","2","5","7","1") = "6"
    & skf21("6","3","5","7","2","6","1","1") = "6"
    & skf21("6","3","5","7","2","6","2","1") = "6"
    & skf21("6","3","5","7","2","6","3","1") = "6"
    & skf21("6","3","5","7","2","6","4","1") = "6"
    & skf21("6","3","5","7","2","6","5","1") = "6"
    & skf21("6","3","5","7","2","6","6","1") = "6"
    & skf21("6","3","5","7","2","6","7","1") = "6"
    & skf21("6","3","5","7","2","7","1","1") = "6"
    & skf21("6","3","5","7","2","7","2","1") = "6"
    & skf21("6","3","5","7","2","7","3","1") = "6"
    & skf21("6","3","5","7","2","7","4","1") = "6"
    & skf21("6","3","5","7","2","7","5","1") = "6"
    & skf21("6","3","5","7","2","7","6","1") = "6"
    & skf21("6","3","5","7","2","7","7","1") = "6"
    & skf21("6","3","5","7","3","1","1","1") = "6"
    & skf21("6","3","5","7","3","1","2","1") = "6"
    & skf21("6","3","5","7","3","1","3","1") = "6"
    & skf21("6","3","5","7","3","1","4","1") = "6"
    & skf21("6","3","5","7","3","1","5","1") = "6"
    & skf21("6","3","5","7","3","1","6","1") = "6"
    & skf21("6","3","5","7","3","1","7","1") = "6"
    & skf21("6","3","5","7","3","2","1","1") = "6"
    & skf21("6","3","5","7","3","2","2","1") = "6"
    & skf21("6","3","5","7","3","2","3","1") = "6"
    & skf21("6","3","5","7","3","2","4","1") = "6"
    & skf21("6","3","5","7","3","2","5","1") = "6"
    & skf21("6","3","5","7","3","2","6","1") = "6"
    & skf21("6","3","5","7","3","2","7","1") = "6"
    & skf21("6","3","5","7","3","3","1","1") = "6"
    & skf21("6","3","5","7","3","3","2","1") = "6"
    & skf21("6","3","5","7","3","3","3","1") = "6"
    & skf21("6","3","5","7","3","3","4","1") = "6"
    & skf21("6","3","5","7","3","3","5","1") = "6"
    & skf21("6","3","5","7","3","3","6","1") = "6"
    & skf21("6","3","5","7","3","3","7","1") = "6"
    & skf21("6","3","5","7","3","4","1","1") = "6"
    & skf21("6","3","5","7","3","4","2","1") = "6"
    & skf21("6","3","5","7","3","4","3","1") = "6"
    & skf21("6","3","5","7","3","4","4","1") = "6"
    & skf21("6","3","5","7","3","4","5","1") = "6"
    & skf21("6","3","5","7","3","4","6","1") = "6"
    & skf21("6","3","5","7","3","4","7","1") = "6"
    & skf21("6","3","5","7","3","5","1","1") = "6"
    & skf21("6","3","5","7","3","5","2","1") = "6"
    & skf21("6","3","5","7","3","5","3","1") = "6"
    & skf21("6","3","5","7","3","5","4","1") = "6"
    & skf21("6","3","5","7","3","5","5","1") = "6"
    & skf21("6","3","5","7","3","5","6","1") = "6"
    & skf21("6","3","5","7","3","5","7","1") = "6"
    & skf21("6","3","5","7","3","6","1","1") = "6"
    & skf21("6","3","5","7","3","6","2","1") = "6"
    & skf21("6","3","5","7","3","6","3","1") = "6"
    & skf21("6","3","5","7","3","6","4","1") = "6"
    & skf21("6","3","5","7","3","6","5","1") = "6"
    & skf21("6","3","5","7","3","6","6","1") = "6"
    & skf21("6","3","5","7","3","6","7","1") = "6"
    & skf21("6","3","5","7","3","7","1","1") = "6"
    & skf21("6","3","5","7","3","7","2","1") = "6"
    & skf21("6","3","5","7","3","7","3","1") = "6"
    & skf21("6","3","5","7","3","7","4","1") = "6"
    & skf21("6","3","5","7","3","7","5","1") = "6"
    & skf21("6","3","5","7","3","7","6","1") = "6"
    & skf21("6","3","5","7","3","7","7","1") = "6"
    & skf21("6","3","5","7","4","1","1","1") = "6"
    & skf21("6","3","5","7","4","1","2","1") = "6"
    & skf21("6","3","5","7","4","1","3","1") = "6"
    & skf21("6","3","5","7","4","1","4","1") = "6"
    & skf21("6","3","5","7","4","1","5","1") = "6"
    & skf21("6","3","5","7","4","1","6","1") = "6"
    & skf21("6","3","5","7","4","1","7","1") = "6"
    & skf21("6","3","5","7","4","2","1","1") = "6"
    & skf21("6","3","5","7","4","2","2","1") = "6"
    & skf21("6","3","5","7","4","2","3","1") = "6"
    & skf21("6","3","5","7","4","2","4","1") = "6"
    & skf21("6","3","5","7","4","2","5","1") = "6"
    & skf21("6","3","5","7","4","2","6","1") = "6"
    & skf21("6","3","5","7","4","2","7","1") = "6"
    & skf21("6","3","5","7","4","3","1","1") = "6"
    & skf21("6","3","5","7","4","3","2","1") = "6"
    & skf21("6","3","5","7","4","3","3","1") = "6"
    & skf21("6","3","5","7","4","3","4","1") = "6"
    & skf21("6","3","5","7","4","3","5","1") = "6"
    & skf21("6","3","5","7","4","3","6","1") = "6"
    & skf21("6","3","5","7","4","3","7","1") = "6"
    & skf21("6","3","5","7","4","4","1","1") = "6"
    & skf21("6","3","5","7","4","4","2","1") = "6"
    & skf21("6","3","5","7","4","4","3","1") = "6"
    & skf21("6","3","5","7","4","4","4","1") = "6"
    & skf21("6","3","5","7","4","4","5","1") = "6"
    & skf21("6","3","5","7","4","4","6","1") = "6"
    & skf21("6","3","5","7","4","4","7","1") = "6"
    & skf21("6","3","5","7","4","5","1","1") = "6"
    & skf21("6","3","5","7","4","5","2","1") = "6"
    & skf21("6","3","5","7","4","5","3","1") = "6"
    & skf21("6","3","5","7","4","5","4","1") = "6"
    & skf21("6","3","5","7","4","5","5","1") = "6"
    & skf21("6","3","5","7","4","5","6","1") = "6"
    & skf21("6","3","5","7","4","5","7","1") = "6"
    & skf21("6","3","5","7","4","6","1","1") = "6"
    & skf21("6","3","5","7","4","6","2","1") = "6"
    & skf21("6","3","5","7","4","6","3","1") = "6"
    & skf21("6","3","5","7","4","6","4","1") = "6"
    & skf21("6","3","5","7","4","6","5","1") = "6"
    & skf21("6","3","5","7","4","6","6","1") = "6"
    & skf21("6","3","5","7","4","6","7","1") = "6"
    & skf21("6","3","5","7","4","7","1","1") = "6"
    & skf21("6","3","5","7","4","7","2","1") = "6"
    & skf21("6","3","5","7","4","7","3","1") = "6"
    & skf21("6","3","5","7","4","7","4","1") = "6"
    & skf21("6","3","5","7","4","7","5","1") = "6"
    & skf21("6","3","5","7","4","7","6","1") = "6"
    & skf21("6","3","5","7","4","7","7","1") = "6"
    & skf21("6","3","5","7","5","1","1","1") = "6"
    & skf21("6","3","5","7","5","1","2","1") = "6"
    & skf21("6","3","5","7","5","1","3","1") = "6"
    & skf21("6","3","5","7","5","1","4","1") = "6"
    & skf21("6","3","5","7","5","1","5","1") = "6"
    & skf21("6","3","5","7","5","1","6","1") = "6"
    & skf21("6","3","5","7","5","1","7","1") = "6"
    & skf21("6","3","5","7","5","2","1","1") = "6"
    & skf21("6","3","5","7","5","2","2","1") = "6"
    & skf21("6","3","5","7","5","2","3","1") = "6"
    & skf21("6","3","5","7","5","2","4","1") = "6"
    & skf21("6","3","5","7","5","2","5","1") = "6"
    & skf21("6","3","5","7","5","2","6","1") = "6"
    & skf21("6","3","5","7","5","2","7","1") = "6"
    & skf21("6","3","5","7","5","3","1","1") = "6"
    & skf21("6","3","5","7","5","3","2","1") = "6"
    & skf21("6","3","5","7","5","3","3","1") = "6"
    & skf21("6","3","5","7","5","3","4","1") = "6"
    & skf21("6","3","5","7","5","3","5","1") = "6"
    & skf21("6","3","5","7","5","3","6","1") = "6"
    & skf21("6","3","5","7","5","3","7","1") = "6"
    & skf21("6","3","5","7","5","4","1","1") = "6"
    & skf21("6","3","5","7","5","4","2","1") = "6"
    & skf21("6","3","5","7","5","4","3","1") = "6"
    & skf21("6","3","5","7","5","4","4","1") = "6"
    & skf21("6","3","5","7","5","4","5","1") = "6"
    & skf21("6","3","5","7","5","4","6","1") = "6"
    & skf21("6","3","5","7","5","4","7","1") = "6"
    & skf21("6","3","5","7","5","5","1","1") = "6"
    & skf21("6","3","5","7","5","5","2","1") = "6"
    & skf21("6","3","5","7","5","5","3","1") = "6"
    & skf21("6","3","5","7","5","5","4","1") = "6"
    & skf21("6","3","5","7","5","5","5","1") = "6"
    & skf21("6","3","5","7","5","5","6","1") = "6"
    & skf21("6","3","5","7","5","5","7","1") = "6"
    & skf21("6","3","5","7","5","6","1","1") = "6"
    & skf21("6","3","5","7","5","6","2","1") = "6"
    & skf21("6","3","5","7","5","6","3","1") = "6"
    & skf21("6","3","5","7","5","6","4","1") = "6"
    & skf21("6","3","5","7","5","6","5","1") = "6"
    & skf21("6","3","5","7","5","6","6","1") = "6"
    & skf21("6","3","5","7","5","6","7","1") = "6"
    & skf21("6","3","5","7","5","7","1","1") = "6"
    & skf21("6","3","5","7","5","7","2","1") = "6"
    & skf21("6","3","5","7","5","7","3","1") = "6"
    & skf21("6","3","5","7","5","7","4","1") = "6"
    & skf21("6","3","5","7","5","7","5","1") = "6"
    & skf21("6","3","5","7","5","7","6","1") = "6"
    & skf21("6","3","5","7","5","7","7","1") = "6"
    & skf21("6","3","5","7","6","1","1","1") = "6"
    & skf21("6","3","5","7","6","1","2","1") = "6"
    & skf21("6","3","5","7","6","1","3","1") = "6"
    & skf21("6","3","5","7","6","1","4","1") = "6"
    & skf21("6","3","5","7","6","1","5","1") = "6"
    & skf21("6","3","5","7","6","1","6","1") = "6"
    & skf21("6","3","5","7","6","1","7","1") = "6"
    & skf21("6","3","5","7","6","2","1","1") = "6"
    & skf21("6","3","5","7","6","2","2","1") = "6"
    & skf21("6","3","5","7","6","2","3","1") = "6"
    & skf21("6","3","5","7","6","2","4","1") = "6"
    & skf21("6","3","5","7","6","2","5","1") = "6"
    & skf21("6","3","5","7","6","2","6","1") = "6"
    & skf21("6","3","5","7","6","2","7","1") = "6"
    & skf21("6","3","5","7","6","3","1","1") = "6"
    & skf21("6","3","5","7","6","3","2","1") = "6"
    & skf21("6","3","5","7","6","3","3","1") = "6"
    & skf21("6","3","5","7","6","3","4","1") = "6"
    & skf21("6","3","5","7","6","3","5","1") = "6"
    & skf21("6","3","5","7","6","3","6","1") = "6"
    & skf21("6","3","5","7","6","3","7","1") = "6"
    & skf21("6","3","5","7","6","4","1","1") = "6"
    & skf21("6","3","5","7","6","4","2","1") = "6"
    & skf21("6","3","5","7","6","4","3","1") = "6"
    & skf21("6","3","5","7","6","4","4","1") = "6"
    & skf21("6","3","5","7","6","4","5","1") = "6"
    & skf21("6","3","5","7","6","4","6","1") = "6"
    & skf21("6","3","5","7","6","4","7","1") = "6"
    & skf21("6","3","5","7","6","5","1","1") = "6"
    & skf21("6","3","5","7","6","5","2","1") = "6"
    & skf21("6","3","5","7","6","5","3","1") = "6"
    & skf21("6","3","5","7","6","5","4","1") = "6"
    & skf21("6","3","5","7","6","5","5","1") = "6"
    & skf21("6","3","5","7","6","5","6","1") = "6"
    & skf21("6","3","5","7","6","5","7","1") = "6"
    & skf21("6","3","5","7","6","6","1","1") = "6"
    & skf21("6","3","5","7","6","6","2","1") = "6"
    & skf21("6","3","5","7","6","6","3","1") = "6"
    & skf21("6","3","5","7","6","6","4","1") = "6"
    & skf21("6","3","5","7","6","6","5","1") = "6"
    & skf21("6","3","5","7","6","6","6","1") = "6"
    & skf21("6","3","5","7","6","6","7","1") = "6"
    & skf21("6","3","5","7","6","7","1","1") = "6"
    & skf21("6","3","5","7","6","7","2","1") = "6"
    & skf21("6","3","5","7","6","7","3","1") = "6"
    & skf21("6","3","5","7","6","7","4","1") = "6"
    & skf21("6","3","5","7","6","7","5","1") = "6"
    & skf21("6","3","5","7","6","7","6","1") = "6"
    & skf21("6","3","5","7","6","7","7","1") = "6"
    & skf21("6","3","5","7","7","1","1","1") = "6"
    & skf21("6","3","5","7","7","1","2","1") = "6"
    & skf21("6","3","5","7","7","1","3","1") = "6"
    & skf21("6","3","5","7","7","1","4","1") = "6"
    & skf21("6","3","5","7","7","1","5","1") = "6"
    & skf21("6","3","5","7","7","1","6","1") = "6"
    & skf21("6","3","5","7","7","1","7","1") = "6"
    & skf21("6","3","5","7","7","2","1","1") = "6"
    & skf21("6","3","5","7","7","2","2","1") = "6"
    & skf21("6","3","5","7","7","2","3","1") = "6"
    & skf21("6","3","5","7","7","2","4","1") = "6"
    & skf21("6","3","5","7","7","2","5","1") = "6"
    & skf21("6","3","5","7","7","2","6","1") = "6"
    & skf21("6","3","5","7","7","2","7","1") = "6"
    & skf21("6","3","5","7","7","3","1","1") = "6"
    & skf21("6","3","5","7","7","3","2","1") = "6"
    & skf21("6","3","5","7","7","3","3","1") = "6"
    & skf21("6","3","5","7","7","3","4","1") = "6"
    & skf21("6","3","5","7","7","3","5","1") = "6"
    & skf21("6","3","5","7","7","3","6","1") = "6"
    & skf21("6","3","5","7","7","3","7","1") = "6"
    & skf21("6","3","5","7","7","4","1","1") = "6"
    & skf21("6","3","5","7","7","4","2","1") = "6"
    & skf21("6","3","5","7","7","4","3","1") = "6"
    & skf21("6","3","5","7","7","4","4","1") = "6"
    & skf21("6","3","5","7","7","4","5","1") = "6"
    & skf21("6","3","5","7","7","4","6","1") = "6"
    & skf21("6","3","5","7","7","4","7","1") = "6"
    & skf21("6","3","5","7","7","5","1","1") = "6"
    & skf21("6","3","5","7","7","5","2","1") = "6"
    & skf21("6","3","5","7","7","5","3","1") = "6"
    & skf21("6","3","5","7","7","5","4","1") = "6"
    & skf21("6","3","5","7","7","5","5","1") = "6"
    & skf21("6","3","5","7","7","5","6","1") = "6"
    & skf21("6","3","5","7","7","5","7","1") = "6"
    & skf21("6","3","5","7","7","6","1","1") = "6"
    & skf21("6","3","5","7","7","6","2","1") = "6"
    & skf21("6","3","5","7","7","6","3","1") = "6"
    & skf21("6","3","5","7","7","6","4","1") = "6"
    & skf21("6","3","5","7","7","6","5","1") = "6"
    & skf21("6","3","5","7","7","6","6","1") = "6"
    & skf21("6","3","5","7","7","6","7","1") = "6"
    & skf21("6","3","5","7","7","7","1","1") = "6"
    & skf21("6","3","5","7","7","7","2","1") = "6"
    & skf21("6","3","5","7","7","7","3","1") = "6"
    & skf21("6","3","5","7","7","7","4","1") = "6"
    & skf21("6","3","5","7","7","7","5","1") = "6"
    & skf21("6","3","5","7","7","7","6","1") = "6"
    & skf21("6","3","5","7","7","7","7","1") = "6"
    & skf21("6","3","6","1","1","1","1","1") = "5"
    & skf21("6","3","6","1","1","1","2","1") = "5"
    & skf21("6","3","6","1","1","1","3","1") = "5"
    & skf21("6","3","6","1","1","1","4","1") = "5"
    & skf21("6","3","6","1","1","1","5","1") = "5"
    & skf21("6","3","6","1","1","1","6","1") = "5"
    & skf21("6","3","6","1","1","1","7","1") = "6"
    & skf21("6","3","6","1","1","2","1","1") = "5"
    & skf21("6","3","6","1","1","2","2","1") = "5"
    & skf21("6","3","6","1","1","2","3","1") = "5"
    & skf21("6","3","6","1","1","2","4","1") = "5"
    & skf21("6","3","6","1","1","2","5","1") = "5"
    & skf21("6","3","6","1","1","2","6","1") = "5"
    & skf21("6","3","6","1","1","2","7","1") = "6"
    & skf21("6","3","6","1","1","3","1","1") = "5"
    & skf21("6","3","6","1","1","3","2","1") = "5"
    & skf21("6","3","6","1","1","3","3","1") = "5"
    & skf21("6","3","6","1","1","3","4","1") = "5"
    & skf21("6","3","6","1","1","3","5","1") = "5"
    & skf21("6","3","6","1","1","3","6","1") = "5"
    & skf21("6","3","6","1","1","3","7","1") = "6"
    & skf21("6","3","6","1","1","4","1","1") = "5"
    & skf21("6","3","6","1","1","4","2","1") = "5"
    & skf21("6","3","6","1","1","4","3","1") = "5"
    & skf21("6","3","6","1","1","4","4","1") = "5"
    & skf21("6","3","6","1","1","4","5","1") = "5"
    & skf21("6","3","6","1","1","4","6","1") = "5"
    & skf21("6","3","6","1","1","4","7","1") = "6"
    & skf21("6","3","6","1","1","5","1","1") = "5"
    & skf21("6","3","6","1","1","5","2","1") = "5"
    & skf21("6","3","6","1","1","5","3","1") = "5"
    & skf21("6","3","6","1","1","5","4","1") = "5"
    & skf21("6","3","6","1","1","5","5","1") = "5"
    & skf21("6","3","6","1","1","5","6","1") = "5"
    & skf21("6","3","6","1","1","5","7","1") = "6"
    & skf21("6","3","6","1","1","6","1","1") = "5"
    & skf21("6","3","6","1","1","6","2","1") = "5"
    & skf21("6","3","6","1","1","6","3","1") = "5"
    & skf21("6","3","6","1","1","6","4","1") = "5"
    & skf21("6","3","6","1","1","6","5","1") = "5"
    & skf21("6","3","6","1","1","6","6","1") = "5"
    & skf21("6","3","6","1","1","6","7","1") = "6"
    & skf21("6","3","6","1","1","7","1","1") = "6"
    & skf21("6","3","6","1","1","7","2","1") = "6"
    & skf21("6","3","6","1","1","7","3","1") = "6"
    & skf21("6","3","6","1","1","7","4","1") = "6"
    & skf21("6","3","6","1","1","7","5","1") = "6"
    & skf21("6","3","6","1","1","7","6","1") = "6"
    & skf21("6","3","6","1","1","7","7","1") = "6"
    & skf21("6","3","6","1","2","1","1","1") = "5"
    & skf21("6","3","6","1","2","1","2","1") = "5"
    & skf21("6","3","6","1","2","1","3","1") = "5"
    & skf21("6","3","6","1","2","1","4","1") = "5"
    & skf21("6","3","6","1","2","1","5","1") = "5"
    & skf21("6","3","6","1","2","1","6","1") = "5"
    & skf21("6","3","6","1","2","1","7","1") = "6"
    & skf21("6","3","6","1","2","2","1","1") = "5"
    & skf21("6","3","6","1","2","2","2","1") = "5"
    & skf21("6","3","6","1","2","2","3","1") = "5"
    & skf21("6","3","6","1","2","2","4","1") = "5"
    & skf21("6","3","6","1","2","2","5","1") = "5"
    & skf21("6","3","6","1","2","2","6","1") = "5"
    & skf21("6","3","6","1","2","2","7","1") = "6"
    & skf21("6","3","6","1","2","3","1","1") = "5"
    & skf21("6","3","6","1","2","3","2","1") = "5"
    & skf21("6","3","6","1","2","3","3","1") = "5"
    & skf21("6","3","6","1","2","3","4","1") = "5"
    & skf21("6","3","6","1","2","3","5","1") = "5"
    & skf21("6","3","6","1","2","3","6","1") = "5"
    & skf21("6","3","6","1","2","3","7","1") = "6"
    & skf21("6","3","6","1","2","4","1","1") = "5"
    & skf21("6","3","6","1","2","4","2","1") = "5"
    & skf21("6","3","6","1","2","4","3","1") = "5"
    & skf21("6","3","6","1","2","4","4","1") = "5"
    & skf21("6","3","6","1","2","4","5","1") = "5"
    & skf21("6","3","6","1","2","4","6","1") = "5"
    & skf21("6","3","6","1","2","4","7","1") = "6"
    & skf21("6","3","6","1","2","5","1","1") = "5"
    & skf21("6","3","6","1","2","5","2","1") = "5"
    & skf21("6","3","6","1","2","5","3","1") = "5"
    & skf21("6","3","6","1","2","5","4","1") = "5"
    & skf21("6","3","6","1","2","5","5","1") = "5"
    & skf21("6","3","6","1","2","5","6","1") = "5"
    & skf21("6","3","6","1","2","5","7","1") = "6"
    & skf21("6","3","6","1","2","6","1","1") = "5"
    & skf21("6","3","6","1","2","6","2","1") = "5"
    & skf21("6","3","6","1","2","6","3","1") = "5"
    & skf21("6","3","6","1","2","6","4","1") = "5"
    & skf21("6","3","6","1","2","6","5","1") = "5"
    & skf21("6","3","6","1","2","6","6","1") = "5"
    & skf21("6","3","6","1","2","6","7","1") = "6"
    & skf21("6","3","6","1","2","7","1","1") = "6"
    & skf21("6","3","6","1","2","7","2","1") = "6"
    & skf21("6","3","6","1","2","7","3","1") = "6"
    & skf21("6","3","6","1","2","7","4","1") = "6"
    & skf21("6","3","6","1","2","7","5","1") = "6"
    & skf21("6","3","6","1","2","7","6","1") = "6"
    & skf21("6","3","6","1","2","7","7","1") = "6"
    & skf21("6","3","6","1","3","1","1","1") = "5"
    & skf21("6","3","6","1","3","1","2","1") = "5"
    & skf21("6","3","6","1","3","1","3","1") = "5"
    & skf21("6","3","6","1","3","1","4","1") = "5"
    & skf21("6","3","6","1","3","1","5","1") = "5"
    & skf21("6","3","6","1","3","1","6","1") = "5"
    & skf21("6","3","6","1","3","1","7","1") = "6"
    & skf21("6","3","6","1","3","2","1","1") = "5"
    & skf21("6","3","6","1","3","2","2","1") = "5"
    & skf21("6","3","6","1","3","2","3","1") = "5"
    & skf21("6","3","6","1","3","2","4","1") = "5"
    & skf21("6","3","6","1","3","2","5","1") = "5"
    & skf21("6","3","6","1","3","2","6","1") = "5"
    & skf21("6","3","6","1","3","2","7","1") = "6"
    & skf21("6","3","6","1","3","3","1","1") = "5"
    & skf21("6","3","6","1","3","3","2","1") = "5"
    & skf21("6","3","6","1","3","3","3","1") = "5"
    & skf21("6","3","6","1","3","3","4","1") = "5"
    & skf21("6","3","6","1","3","3","5","1") = "5"
    & skf21("6","3","6","1","3","3","6","1") = "5"
    & skf21("6","3","6","1","3","3","7","1") = "6"
    & skf21("6","3","6","1","3","4","1","1") = "5"
    & skf21("6","3","6","1","3","4","2","1") = "5"
    & skf21("6","3","6","1","3","4","3","1") = "5"
    & skf21("6","3","6","1","3","4","4","1") = "5"
    & skf21("6","3","6","1","3","4","5","1") = "5"
    & skf21("6","3","6","1","3","4","6","1") = "5"
    & skf21("6","3","6","1","3","4","7","1") = "6"
    & skf21("6","3","6","1","3","5","1","1") = "5"
    & skf21("6","3","6","1","3","5","2","1") = "5"
    & skf21("6","3","6","1","3","5","3","1") = "5"
    & skf21("6","3","6","1","3","5","4","1") = "5"
    & skf21("6","3","6","1","3","5","5","1") = "5"
    & skf21("6","3","6","1","3","5","6","1") = "5"
    & skf21("6","3","6","1","3","5","7","1") = "6"
    & skf21("6","3","6","1","3","6","1","1") = "5"
    & skf21("6","3","6","1","3","6","2","1") = "5"
    & skf21("6","3","6","1","3","6","3","1") = "5"
    & skf21("6","3","6","1","3","6","4","1") = "5"
    & skf21("6","3","6","1","3","6","5","1") = "5"
    & skf21("6","3","6","1","3","6","6","1") = "5"
    & skf21("6","3","6","1","3","6","7","1") = "6"
    & skf21("6","3","6","1","3","7","1","1") = "6"
    & skf21("6","3","6","1","3","7","2","1") = "6"
    & skf21("6","3","6","1","3","7","3","1") = "6"
    & skf21("6","3","6","1","3","7","4","1") = "6"
    & skf21("6","3","6","1","3","7","5","1") = "6"
    & skf21("6","3","6","1","3","7","6","1") = "6"
    & skf21("6","3","6","1","3","7","7","1") = "6"
    & skf21("6","3","6","1","4","1","1","1") = "5"
    & skf21("6","3","6","1","4","1","2","1") = "5"
    & skf21("6","3","6","1","4","1","3","1") = "5"
    & skf21("6","3","6","1","4","1","4","1") = "5"
    & skf21("6","3","6","1","4","1","5","1") = "5"
    & skf21("6","3","6","1","4","1","6","1") = "5"
    & skf21("6","3","6","1","4","1","7","1") = "6"
    & skf21("6","3","6","1","4","2","1","1") = "5"
    & skf21("6","3","6","1","4","2","2","1") = "5"
    & skf21("6","3","6","1","4","2","3","1") = "5"
    & skf21("6","3","6","1","4","2","4","1") = "5"
    & skf21("6","3","6","1","4","2","5","1") = "5"
    & skf21("6","3","6","1","4","2","6","1") = "5"
    & skf21("6","3","6","1","4","2","7","1") = "6"
    & skf21("6","3","6","1","4","3","1","1") = "5"
    & skf21("6","3","6","1","4","3","2","1") = "5"
    & skf21("6","3","6","1","4","3","3","1") = "5"
    & skf21("6","3","6","1","4","3","4","1") = "5"
    & skf21("6","3","6","1","4","3","5","1") = "5"
    & skf21("6","3","6","1","4","3","6","1") = "5"
    & skf21("6","3","6","1","4","3","7","1") = "6"
    & skf21("6","3","6","1","4","4","1","1") = "5"
    & skf21("6","3","6","1","4","4","2","1") = "5"
    & skf21("6","3","6","1","4","4","3","1") = "5"
    & skf21("6","3","6","1","4","4","4","1") = "5"
    & skf21("6","3","6","1","4","4","5","1") = "5"
    & skf21("6","3","6","1","4","4","6","1") = "5"
    & skf21("6","3","6","1","4","4","7","1") = "6"
    & skf21("6","3","6","1","4","5","1","1") = "5"
    & skf21("6","3","6","1","4","5","2","1") = "5"
    & skf21("6","3","6","1","4","5","3","1") = "5"
    & skf21("6","3","6","1","4","5","4","1") = "5"
    & skf21("6","3","6","1","4","5","5","1") = "5"
    & skf21("6","3","6","1","4","5","6","1") = "5"
    & skf21("6","3","6","1","4","5","7","1") = "6"
    & skf21("6","3","6","1","4","6","1","1") = "5"
    & skf21("6","3","6","1","4","6","2","1") = "5"
    & skf21("6","3","6","1","4","6","3","1") = "5"
    & skf21("6","3","6","1","4","6","4","1") = "5"
    & skf21("6","3","6","1","4","6","5","1") = "5"
    & skf21("6","3","6","1","4","6","6","1") = "5"
    & skf21("6","3","6","1","4","6","7","1") = "6"
    & skf21("6","3","6","1","4","7","1","1") = "6"
    & skf21("6","3","6","1","4","7","2","1") = "6"
    & skf21("6","3","6","1","4","7","3","1") = "6"
    & skf21("6","3","6","1","4","7","4","1") = "6"
    & skf21("6","3","6","1","4","7","5","1") = "6"
    & skf21("6","3","6","1","4","7","6","1") = "6"
    & skf21("6","3","6","1","4","7","7","1") = "6"
    & skf21("6","3","6","1","5","1","1","1") = "5"
    & skf21("6","3","6","1","5","1","2","1") = "5"
    & skf21("6","3","6","1","5","1","3","1") = "5"
    & skf21("6","3","6","1","5","1","4","1") = "5"
    & skf21("6","3","6","1","5","1","5","1") = "5"
    & skf21("6","3","6","1","5","1","6","1") = "5"
    & skf21("6","3","6","1","5","1","7","1") = "6"
    & skf21("6","3","6","1","5","2","1","1") = "5"
    & skf21("6","3","6","1","5","2","2","1") = "5"
    & skf21("6","3","6","1","5","2","3","1") = "5"
    & skf21("6","3","6","1","5","2","4","1") = "5"
    & skf21("6","3","6","1","5","2","5","1") = "5"
    & skf21("6","3","6","1","5","2","6","1") = "5"
    & skf21("6","3","6","1","5","2","7","1") = "6"
    & skf21("6","3","6","1","5","3","1","1") = "5"
    & skf21("6","3","6","1","5","3","2","1") = "5"
    & skf21("6","3","6","1","5","3","3","1") = "5"
    & skf21("6","3","6","1","5","3","4","1") = "5"
    & skf21("6","3","6","1","5","3","5","1") = "5"
    & skf21("6","3","6","1","5","3","6","1") = "5"
    & skf21("6","3","6","1","5","3","7","1") = "6"
    & skf21("6","3","6","1","5","4","1","1") = "5"
    & skf21("6","3","6","1","5","4","2","1") = "5"
    & skf21("6","3","6","1","5","4","3","1") = "5"
    & skf21("6","3","6","1","5","4","4","1") = "5"
    & skf21("6","3","6","1","5","4","5","1") = "5"
    & skf21("6","3","6","1","5","4","6","1") = "5"
    & skf21("6","3","6","1","5","4","7","1") = "6"
    & skf21("6","3","6","1","5","5","1","1") = "5"
    & skf21("6","3","6","1","5","5","2","1") = "5"
    & skf21("6","3","6","1","5","5","3","1") = "5"
    & skf21("6","3","6","1","5","5","4","1") = "5"
    & skf21("6","3","6","1","5","5","5","1") = "5"
    & skf21("6","3","6","1","5","5","6","1") = "5"
    & skf21("6","3","6","1","5","5","7","1") = "6"
    & skf21("6","3","6","1","5","6","1","1") = "5"
    & skf21("6","3","6","1","5","6","2","1") = "5"
    & skf21("6","3","6","1","5","6","3","1") = "5"
    & skf21("6","3","6","1","5","6","4","1") = "5"
    & skf21("6","3","6","1","5","6","5","1") = "5"
    & skf21("6","3","6","1","5","6","6","1") = "5"
    & skf21("6","3","6","1","5","6","7","1") = "6"
    & skf21("6","3","6","1","5","7","1","1") = "6"
    & skf21("6","3","6","1","5","7","2","1") = "6"
    & skf21("6","3","6","1","5","7","3","1") = "6"
    & skf21("6","3","6","1","5","7","4","1") = "6"
    & skf21("6","3","6","1","5","7","5","1") = "6"
    & skf21("6","3","6","1","5","7","6","1") = "6"
    & skf21("6","3","6","1","5","7","7","1") = "6"
    & skf21("6","3","6","1","6","1","1","1") = "5"
    & skf21("6","3","6","1","6","1","2","1") = "5"
    & skf21("6","3","6","1","6","1","3","1") = "5"
    & skf21("6","3","6","1","6","1","4","1") = "5"
    & skf21("6","3","6","1","6","1","5","1") = "5"
    & skf21("6","3","6","1","6","1","6","1") = "5"
    & skf21("6","3","6","1","6","1","7","1") = "6"
    & skf21("6","3","6","1","6","2","1","1") = "5"
    & skf21("6","3","6","1","6","2","2","1") = "5"
    & skf21("6","3","6","1","6","2","3","1") = "5"
    & skf21("6","3","6","1","6","2","4","1") = "5"
    & skf21("6","3","6","1","6","2","5","1") = "5"
    & skf21("6","3","6","1","6","2","6","1") = "5"
    & skf21("6","3","6","1","6","2","7","1") = "6"
    & skf21("6","3","6","1","6","3","1","1") = "5"
    & skf21("6","3","6","1","6","3","2","1") = "5"
    & skf21("6","3","6","1","6","3","3","1") = "5"
    & skf21("6","3","6","1","6","3","4","1") = "5"
    & skf21("6","3","6","1","6","3","5","1") = "5"
    & skf21("6","3","6","1","6","3","6","1") = "5"
    & skf21("6","3","6","1","6","3","7","1") = "6"
    & skf21("6","3","6","1","6","4","1","1") = "5"
    & skf21("6","3","6","1","6","4","2","1") = "5"
    & skf21("6","3","6","1","6","4","3","1") = "5"
    & skf21("6","3","6","1","6","4","4","1") = "5"
    & skf21("6","3","6","1","6","4","5","1") = "5"
    & skf21("6","3","6","1","6","4","6","1") = "5"
    & skf21("6","3","6","1","6","4","7","1") = "6"
    & skf21("6","3","6","1","6","5","1","1") = "5"
    & skf21("6","3","6","1","6","5","2","1") = "5"
    & skf21("6","3","6","1","6","5","3","1") = "5"
    & skf21("6","3","6","1","6","5","4","1") = "5"
    & skf21("6","3","6","1","6","5","5","1") = "5"
    & skf21("6","3","6","1","6","5","6","1") = "5"
    & skf21("6","3","6","1","6","5","7","1") = "6"
    & skf21("6","3","6","1","6","6","1","1") = "5"
    & skf21("6","3","6","1","6","6","2","1") = "5"
    & skf21("6","3","6","1","6","6","3","1") = "5"
    & skf21("6","3","6","1","6","6","4","1") = "5"
    & skf21("6","3","6","1","6","6","5","1") = "5"
    & skf21("6","3","6","1","6","6","6","1") = "5"
    & skf21("6","3","6","1","6","6","7","1") = "6"
    & skf21("6","3","6","1","6","7","1","1") = "6"
    & skf21("6","3","6","1","6","7","2","1") = "6"
    & skf21("6","3","6","1","6","7","3","1") = "6"
    & skf21("6","3","6","1","6","7","4","1") = "6"
    & skf21("6","3","6","1","6","7","5","1") = "6"
    & skf21("6","3","6","1","6","7","6","1") = "6"
    & skf21("6","3","6","1","6","7","7","1") = "6"
    & skf21("6","3","6","1","7","1","1","1") = "6"
    & skf21("6","3","6","1","7","1","2","1") = "6"
    & skf21("6","3","6","1","7","1","3","1") = "6"
    & skf21("6","3","6","1","7","1","4","1") = "6"
    & skf21("6","3","6","1","7","1","5","1") = "6"
    & skf21("6","3","6","1","7","1","6","1") = "6"
    & skf21("6","3","6","1","7","1","7","1") = "6"
    & skf21("6","3","6","1","7","2","1","1") = "6"
    & skf21("6","3","6","1","7","2","2","1") = "6"
    & skf21("6","3","6","1","7","2","3","1") = "6"
    & skf21("6","3","6","1","7","2","4","1") = "6"
    & skf21("6","3","6","1","7","2","5","1") = "6"
    & skf21("6","3","6","1","7","2","6","1") = "6"
    & skf21("6","3","6","1","7","2","7","1") = "6"
    & skf21("6","3","6","1","7","3","1","1") = "6"
    & skf21("6","3","6","1","7","3","2","1") = "6"
    & skf21("6","3","6","1","7","3","3","1") = "6"
    & skf21("6","3","6","1","7","3","4","1") = "6"
    & skf21("6","3","6","1","7","3","5","1") = "6"
    & skf21("6","3","6","1","7","3","6","1") = "6"
    & skf21("6","3","6","1","7","3","7","1") = "6"
    & skf21("6","3","6","1","7","4","1","1") = "6"
    & skf21("6","3","6","1","7","4","2","1") = "6"
    & skf21("6","3","6","1","7","4","3","1") = "6"
    & skf21("6","3","6","1","7","4","4","1") = "6"
    & skf21("6","3","6","1","7","4","5","1") = "6"
    & skf21("6","3","6","1","7","4","6","1") = "6"
    & skf21("6","3","6","1","7","4","7","1") = "6"
    & skf21("6","3","6","1","7","5","1","1") = "6"
    & skf21("6","3","6","1","7","5","2","1") = "6"
    & skf21("6","3","6","1","7","5","3","1") = "6"
    & skf21("6","3","6","1","7","5","4","1") = "6"
    & skf21("6","3","6","1","7","5","5","1") = "6"
    & skf21("6","3","6","1","7","5","6","1") = "6"
    & skf21("6","3","6","1","7","5","7","1") = "6"
    & skf21("6","3","6","1","7","6","1","1") = "6"
    & skf21("6","3","6","1","7","6","2","1") = "6"
    & skf21("6","3","6","1","7","6","3","1") = "6"
    & skf21("6","3","6","1","7","6","4","1") = "6"
    & skf21("6","3","6","1","7","6","5","1") = "6"
    & skf21("6","3","6","1","7","6","6","1") = "6"
    & skf21("6","3","6","1","7","6","7","1") = "6"
    & skf21("6","3","6","1","7","7","1","1") = "6"
    & skf21("6","3","6","1","7","7","2","1") = "6"
    & skf21("6","3","6","1","7","7","3","1") = "6"
    & skf21("6","3","6","1","7","7","4","1") = "6"
    & skf21("6","3","6","1","7","7","5","1") = "6"
    & skf21("6","3","6","1","7","7","6","1") = "6"
    & skf21("6","3","6","1","7","7","7","1") = "6"
    & skf21("6","3","6","2","1","1","1","1") = "5"
    & skf21("6","3","6","2","1","1","2","1") = "5"
    & skf21("6","3","6","2","1","1","3","1") = "5"
    & skf21("6","3","6","2","1","1","4","1") = "5"
    & skf21("6","3","6","2","1","1","5","1") = "5"
    & skf21("6","3","6","2","1","1","6","1") = "5"
    & skf21("6","3","6","2","1","1","7","1") = "6"
    & skf21("6","3","6","2","1","2","1","1") = "5"
    & skf21("6","3","6","2","1","2","2","1") = "5"
    & skf21("6","3","6","2","1","2","3","1") = "5"
    & skf21("6","3","6","2","1","2","4","1") = "5"
    & skf21("6","3","6","2","1","2","5","1") = "5"
    & skf21("6","3","6","2","1","2","6","1") = "5"
    & skf21("6","3","6","2","1","2","7","1") = "6"
    & skf21("6","3","6","2","1","3","1","1") = "5"
    & skf21("6","3","6","2","1","3","2","1") = "5"
    & skf21("6","3","6","2","1","3","3","1") = "5"
    & skf21("6","3","6","2","1","3","4","1") = "5"
    & skf21("6","3","6","2","1","3","5","1") = "5"
    & skf21("6","3","6","2","1","3","6","1") = "5"
    & skf21("6","3","6","2","1","3","7","1") = "6"
    & skf21("6","3","6","2","1","4","1","1") = "5"
    & skf21("6","3","6","2","1","4","2","1") = "5"
    & skf21("6","3","6","2","1","4","3","1") = "5"
    & skf21("6","3","6","2","1","4","4","1") = "5"
    & skf21("6","3","6","2","1","4","5","1") = "5"
    & skf21("6","3","6","2","1","4","6","1") = "5"
    & skf21("6","3","6","2","1","4","7","1") = "6"
    & skf21("6","3","6","2","1","5","1","1") = "5"
    & skf21("6","3","6","2","1","5","2","1") = "5"
    & skf21("6","3","6","2","1","5","3","1") = "5"
    & skf21("6","3","6","2","1","5","4","1") = "5"
    & skf21("6","3","6","2","1","5","5","1") = "5"
    & skf21("6","3","6","2","1","5","6","1") = "5"
    & skf21("6","3","6","2","1","5","7","1") = "6"
    & skf21("6","3","6","2","1","6","1","1") = "5"
    & skf21("6","3","6","2","1","6","2","1") = "5"
    & skf21("6","3","6","2","1","6","3","1") = "5"
    & skf21("6","3","6","2","1","6","4","1") = "5"
    & skf21("6","3","6","2","1","6","5","1") = "5"
    & skf21("6","3","6","2","1","6","6","1") = "5"
    & skf21("6","3","6","2","1","6","7","1") = "6"
    & skf21("6","3","6","2","1","7","1","1") = "6"
    & skf21("6","3","6","2","1","7","2","1") = "6"
    & skf21("6","3","6","2","1","7","3","1") = "6"
    & skf21("6","3","6","2","1","7","4","1") = "6"
    & skf21("6","3","6","2","1","7","5","1") = "6"
    & skf21("6","3","6","2","1","7","6","1") = "6"
    & skf21("6","3","6","2","1","7","7","1") = "6"
    & skf21("6","3","6","2","2","1","1","1") = "5"
    & skf21("6","3","6","2","2","1","2","1") = "5"
    & skf21("6","3","6","2","2","1","3","1") = "5"
    & skf21("6","3","6","2","2","1","4","1") = "5"
    & skf21("6","3","6","2","2","1","5","1") = "5"
    & skf21("6","3","6","2","2","1","6","1") = "5"
    & skf21("6","3","6","2","2","1","7","1") = "6"
    & skf21("6","3","6","2","2","2","1","1") = "5"
    & skf21("6","3","6","2","2","2","2","1") = "5"
    & skf21("6","3","6","2","2","2","3","1") = "5"
    & skf21("6","3","6","2","2","2","4","1") = "5"
    & skf21("6","3","6","2","2","2","5","1") = "5"
    & skf21("6","3","6","2","2","2","6","1") = "5"
    & skf21("6","3","6","2","2","2","7","1") = "6"
    & skf21("6","3","6","2","2","3","1","1") = "5"
    & skf21("6","3","6","2","2","3","2","1") = "5"
    & skf21("6","3","6","2","2","3","3","1") = "5"
    & skf21("6","3","6","2","2","3","4","1") = "5"
    & skf21("6","3","6","2","2","3","5","1") = "5"
    & skf21("6","3","6","2","2","3","6","1") = "5"
    & skf21("6","3","6","2","2","3","7","1") = "6"
    & skf21("6","3","6","2","2","4","1","1") = "5"
    & skf21("6","3","6","2","2","4","2","1") = "5"
    & skf21("6","3","6","2","2","4","3","1") = "5"
    & skf21("6","3","6","2","2","4","4","1") = "5"
    & skf21("6","3","6","2","2","4","5","1") = "5"
    & skf21("6","3","6","2","2","4","6","1") = "5"
    & skf21("6","3","6","2","2","4","7","1") = "6"
    & skf21("6","3","6","2","2","5","1","1") = "5"
    & skf21("6","3","6","2","2","5","2","1") = "5"
    & skf21("6","3","6","2","2","5","3","1") = "5"
    & skf21("6","3","6","2","2","5","4","1") = "5"
    & skf21("6","3","6","2","2","5","5","1") = "5"
    & skf21("6","3","6","2","2","5","6","1") = "5"
    & skf21("6","3","6","2","2","5","7","1") = "6"
    & skf21("6","3","6","2","2","6","1","1") = "5"
    & skf21("6","3","6","2","2","6","2","1") = "5"
    & skf21("6","3","6","2","2","6","3","1") = "5"
    & skf21("6","3","6","2","2","6","4","1") = "5"
    & skf21("6","3","6","2","2","6","5","1") = "5"
    & skf21("6","3","6","2","2","6","6","1") = "5"
    & skf21("6","3","6","2","2","6","7","1") = "6"
    & skf21("6","3","6","2","2","7","1","1") = "6"
    & skf21("6","3","6","2","2","7","2","1") = "6"
    & skf21("6","3","6","2","2","7","3","1") = "6"
    & skf21("6","3","6","2","2","7","4","1") = "6"
    & skf21("6","3","6","2","2","7","5","1") = "6"
    & skf21("6","3","6","2","2","7","6","1") = "6"
    & skf21("6","3","6","2","2","7","7","1") = "6"
    & skf21("6","3","6","2","3","1","1","1") = "5"
    & skf21("6","3","6","2","3","1","2","1") = "5"
    & skf21("6","3","6","2","3","1","3","1") = "5"
    & skf21("6","3","6","2","3","1","4","1") = "5"
    & skf21("6","3","6","2","3","1","5","1") = "5"
    & skf21("6","3","6","2","3","1","6","1") = "5"
    & skf21("6","3","6","2","3","1","7","1") = "6"
    & skf21("6","3","6","2","3","2","1","1") = "5"
    & skf21("6","3","6","2","3","2","2","1") = "5"
    & skf21("6","3","6","2","3","2","3","1") = "5"
    & skf21("6","3","6","2","3","2","4","1") = "5"
    & skf21("6","3","6","2","3","2","5","1") = "5"
    & skf21("6","3","6","2","3","2","6","1") = "5"
    & skf21("6","3","6","2","3","2","7","1") = "6"
    & skf21("6","3","6","2","3","3","1","1") = "5"
    & skf21("6","3","6","2","3","3","2","1") = "5"
    & skf21("6","3","6","2","3","3","3","1") = "5"
    & skf21("6","3","6","2","3","3","4","1") = "5"
    & skf21("6","3","6","2","3","3","5","1") = "5"
    & skf21("6","3","6","2","3","3","6","1") = "5"
    & skf21("6","3","6","2","3","3","7","1") = "6"
    & skf21("6","3","6","2","3","4","1","1") = "5"
    & skf21("6","3","6","2","3","4","2","1") = "5"
    & skf21("6","3","6","2","3","4","3","1") = "5"
    & skf21("6","3","6","2","3","4","4","1") = "5"
    & skf21("6","3","6","2","3","4","5","1") = "5"
    & skf21("6","3","6","2","3","4","6","1") = "5"
    & skf21("6","3","6","2","3","4","7","1") = "6"
    & skf21("6","3","6","2","3","5","1","1") = "5"
    & skf21("6","3","6","2","3","5","2","1") = "5"
    & skf21("6","3","6","2","3","5","3","1") = "5"
    & skf21("6","3","6","2","3","5","4","1") = "5"
    & skf21("6","3","6","2","3","5","5","1") = "5"
    & skf21("6","3","6","2","3","5","6","1") = "5"
    & skf21("6","3","6","2","3","5","7","1") = "6"
    & skf21("6","3","6","2","3","6","1","1") = "5"
    & skf21("6","3","6","2","3","6","2","1") = "5"
    & skf21("6","3","6","2","3","6","3","1") = "5"
    & skf21("6","3","6","2","3","6","4","1") = "5"
    & skf21("6","3","6","2","3","6","5","1") = "5"
    & skf21("6","3","6","2","3","6","6","1") = "5"
    & skf21("6","3","6","2","3","6","7","1") = "6"
    & skf21("6","3","6","2","3","7","1","1") = "6"
    & skf21("6","3","6","2","3","7","2","1") = "6"
    & skf21("6","3","6","2","3","7","3","1") = "6"
    & skf21("6","3","6","2","3","7","4","1") = "6"
    & skf21("6","3","6","2","3","7","5","1") = "6"
    & skf21("6","3","6","2","3","7","6","1") = "6"
    & skf21("6","3","6","2","3","7","7","1") = "6"
    & skf21("6","3","6","2","4","1","1","1") = "5"
    & skf21("6","3","6","2","4","1","2","1") = "5"
    & skf21("6","3","6","2","4","1","3","1") = "5"
    & skf21("6","3","6","2","4","1","4","1") = "5"
    & skf21("6","3","6","2","4","1","5","1") = "5"
    & skf21("6","3","6","2","4","1","6","1") = "5"
    & skf21("6","3","6","2","4","1","7","1") = "6"
    & skf21("6","3","6","2","4","2","1","1") = "5"
    & skf21("6","3","6","2","4","2","2","1") = "5"
    & skf21("6","3","6","2","4","2","3","1") = "5"
    & skf21("6","3","6","2","4","2","4","1") = "5"
    & skf21("6","3","6","2","4","2","5","1") = "5"
    & skf21("6","3","6","2","4","2","6","1") = "5"
    & skf21("6","3","6","2","4","2","7","1") = "6"
    & skf21("6","3","6","2","4","3","1","1") = "5"
    & skf21("6","3","6","2","4","3","2","1") = "5"
    & skf21("6","3","6","2","4","3","3","1") = "5"
    & skf21("6","3","6","2","4","3","4","1") = "5"
    & skf21("6","3","6","2","4","3","5","1") = "5"
    & skf21("6","3","6","2","4","3","6","1") = "5"
    & skf21("6","3","6","2","4","3","7","1") = "6"
    & skf21("6","3","6","2","4","4","1","1") = "5"
    & skf21("6","3","6","2","4","4","2","1") = "5"
    & skf21("6","3","6","2","4","4","3","1") = "5"
    & skf21("6","3","6","2","4","4","4","1") = "5"
    & skf21("6","3","6","2","4","4","5","1") = "5"
    & skf21("6","3","6","2","4","4","6","1") = "5"
    & skf21("6","3","6","2","4","4","7","1") = "6"
    & skf21("6","3","6","2","4","5","1","1") = "5"
    & skf21("6","3","6","2","4","5","2","1") = "5"
    & skf21("6","3","6","2","4","5","3","1") = "5"
    & skf21("6","3","6","2","4","5","4","1") = "5"
    & skf21("6","3","6","2","4","5","5","1") = "5"
    & skf21("6","3","6","2","4","5","6","1") = "5"
    & skf21("6","3","6","2","4","5","7","1") = "6"
    & skf21("6","3","6","2","4","6","1","1") = "5"
    & skf21("6","3","6","2","4","6","2","1") = "5"
    & skf21("6","3","6","2","4","6","3","1") = "5"
    & skf21("6","3","6","2","4","6","4","1") = "5"
    & skf21("6","3","6","2","4","6","5","1") = "5"
    & skf21("6","3","6","2","4","6","6","1") = "5"
    & skf21("6","3","6","2","4","6","7","1") = "6"
    & skf21("6","3","6","2","4","7","1","1") = "6"
    & skf21("6","3","6","2","4","7","2","1") = "6"
    & skf21("6","3","6","2","4","7","3","1") = "6"
    & skf21("6","3","6","2","4","7","4","1") = "6"
    & skf21("6","3","6","2","4","7","5","1") = "6"
    & skf21("6","3","6","2","4","7","6","1") = "6"
    & skf21("6","3","6","2","4","7","7","1") = "6"
    & skf21("6","3","6","2","5","1","1","1") = "5"
    & skf21("6","3","6","2","5","1","2","1") = "5"
    & skf21("6","3","6","2","5","1","3","1") = "5"
    & skf21("6","3","6","2","5","1","4","1") = "5"
    & skf21("6","3","6","2","5","1","5","1") = "5"
    & skf21("6","3","6","2","5","1","6","1") = "5"
    & skf21("6","3","6","2","5","1","7","1") = "6"
    & skf21("6","3","6","2","5","2","1","1") = "5"
    & skf21("6","3","6","2","5","2","2","1") = "5"
    & skf21("6","3","6","2","5","2","3","1") = "5"
    & skf21("6","3","6","2","5","2","4","1") = "5"
    & skf21("6","3","6","2","5","2","5","1") = "5"
    & skf21("6","3","6","2","5","2","6","1") = "5"
    & skf21("6","3","6","2","5","2","7","1") = "6"
    & skf21("6","3","6","2","5","3","1","1") = "5"
    & skf21("6","3","6","2","5","3","2","1") = "5"
    & skf21("6","3","6","2","5","3","3","1") = "5"
    & skf21("6","3","6","2","5","3","4","1") = "5"
    & skf21("6","3","6","2","5","3","5","1") = "5"
    & skf21("6","3","6","2","5","3","6","1") = "5"
    & skf21("6","3","6","2","5","3","7","1") = "6"
    & skf21("6","3","6","2","5","4","1","1") = "5"
    & skf21("6","3","6","2","5","4","2","1") = "5"
    & skf21("6","3","6","2","5","4","3","1") = "5"
    & skf21("6","3","6","2","5","4","4","1") = "5"
    & skf21("6","3","6","2","5","4","5","1") = "5"
    & skf21("6","3","6","2","5","4","6","1") = "5"
    & skf21("6","3","6","2","5","4","7","1") = "6"
    & skf21("6","3","6","2","5","5","1","1") = "5"
    & skf21("6","3","6","2","5","5","2","1") = "5"
    & skf21("6","3","6","2","5","5","3","1") = "5"
    & skf21("6","3","6","2","5","5","4","1") = "5"
    & skf21("6","3","6","2","5","5","5","1") = "5"
    & skf21("6","3","6","2","5","5","6","1") = "5"
    & skf21("6","3","6","2","5","5","7","1") = "6"
    & skf21("6","3","6","2","5","6","1","1") = "5"
    & skf21("6","3","6","2","5","6","2","1") = "5"
    & skf21("6","3","6","2","5","6","3","1") = "5"
    & skf21("6","3","6","2","5","6","4","1") = "5"
    & skf21("6","3","6","2","5","6","5","1") = "5"
    & skf21("6","3","6","2","5","6","6","1") = "5"
    & skf21("6","3","6","2","5","6","7","1") = "6"
    & skf21("6","3","6","2","5","7","1","1") = "6"
    & skf21("6","3","6","2","5","7","2","1") = "6"
    & skf21("6","3","6","2","5","7","3","1") = "6"
    & skf21("6","3","6","2","5","7","4","1") = "6"
    & skf21("6","3","6","2","5","7","5","1") = "6"
    & skf21("6","3","6","2","5","7","6","1") = "6"
    & skf21("6","3","6","2","5","7","7","1") = "6"
    & skf21("6","3","6","2","6","1","1","1") = "5"
    & skf21("6","3","6","2","6","1","2","1") = "5"
    & skf21("6","3","6","2","6","1","3","1") = "5"
    & skf21("6","3","6","2","6","1","4","1") = "5"
    & skf21("6","3","6","2","6","1","5","1") = "5"
    & skf21("6","3","6","2","6","1","6","1") = "5"
    & skf21("6","3","6","2","6","1","7","1") = "6"
    & skf21("6","3","6","2","6","2","1","1") = "5"
    & skf21("6","3","6","2","6","2","2","1") = "5"
    & skf21("6","3","6","2","6","2","3","1") = "5"
    & skf21("6","3","6","2","6","2","4","1") = "5"
    & skf21("6","3","6","2","6","2","5","1") = "5"
    & skf21("6","3","6","2","6","2","6","1") = "5"
    & skf21("6","3","6","2","6","2","7","1") = "6"
    & skf21("6","3","6","2","6","3","1","1") = "5"
    & skf21("6","3","6","2","6","3","2","1") = "5"
    & skf21("6","3","6","2","6","3","3","1") = "5"
    & skf21("6","3","6","2","6","3","4","1") = "5"
    & skf21("6","3","6","2","6","3","5","1") = "5"
    & skf21("6","3","6","2","6","3","6","1") = "5"
    & skf21("6","3","6","2","6","3","7","1") = "6"
    & skf21("6","3","6","2","6","4","1","1") = "5"
    & skf21("6","3","6","2","6","4","2","1") = "5"
    & skf21("6","3","6","2","6","4","3","1") = "5"
    & skf21("6","3","6","2","6","4","4","1") = "5"
    & skf21("6","3","6","2","6","4","5","1") = "5"
    & skf21("6","3","6","2","6","4","6","1") = "5"
    & skf21("6","3","6","2","6","4","7","1") = "6"
    & skf21("6","3","6","2","6","5","1","1") = "5"
    & skf21("6","3","6","2","6","5","2","1") = "5"
    & skf21("6","3","6","2","6","5","3","1") = "5"
    & skf21("6","3","6","2","6","5","4","1") = "5"
    & skf21("6","3","6","2","6","5","5","1") = "5"
    & skf21("6","3","6","2","6","5","6","1") = "5"
    & skf21("6","3","6","2","6","5","7","1") = "6"
    & skf21("6","3","6","2","6","6","1","1") = "5"
    & skf21("6","3","6","2","6","6","2","1") = "5"
    & skf21("6","3","6","2","6","6","3","1") = "5"
    & skf21("6","3","6","2","6","6","4","1") = "5"
    & skf21("6","3","6","2","6","6","5","1") = "5"
    & skf21("6","3","6","2","6","6","6","1") = "5"
    & skf21("6","3","6","2","6","6","7","1") = "6"
    & skf21("6","3","6","2","6","7","1","1") = "6"
    & skf21("6","3","6","2","6","7","2","1") = "6"
    & skf21("6","3","6","2","6","7","3","1") = "6"
    & skf21("6","3","6","2","6","7","4","1") = "6"
    & skf21("6","3","6","2","6","7","5","1") = "6"
    & skf21("6","3","6","2","6","7","6","1") = "6"
    & skf21("6","3","6","2","6","7","7","1") = "6"
    & skf21("6","3","6","2","7","1","1","1") = "6"
    & skf21("6","3","6","2","7","1","2","1") = "6"
    & skf21("6","3","6","2","7","1","3","1") = "6"
    & skf21("6","3","6","2","7","1","4","1") = "6"
    & skf21("6","3","6","2","7","1","5","1") = "6"
    & skf21("6","3","6","2","7","1","6","1") = "6"
    & skf21("6","3","6","2","7","1","7","1") = "6"
    & skf21("6","3","6","2","7","2","1","1") = "6"
    & skf21("6","3","6","2","7","2","2","1") = "6"
    & skf21("6","3","6","2","7","2","3","1") = "6"
    & skf21("6","3","6","2","7","2","4","1") = "6"
    & skf21("6","3","6","2","7","2","5","1") = "6"
    & skf21("6","3","6","2","7","2","6","1") = "6"
    & skf21("6","3","6","2","7","2","7","1") = "6"
    & skf21("6","3","6","2","7","3","1","1") = "6"
    & skf21("6","3","6","2","7","3","2","1") = "6"
    & skf21("6","3","6","2","7","3","3","1") = "6"
    & skf21("6","3","6","2","7","3","4","1") = "6"
    & skf21("6","3","6","2","7","3","5","1") = "6"
    & skf21("6","3","6","2","7","3","6","1") = "6"
    & skf21("6","3","6","2","7","3","7","1") = "6"
    & skf21("6","3","6","2","7","4","1","1") = "6"
    & skf21("6","3","6","2","7","4","2","1") = "6"
    & skf21("6","3","6","2","7","4","3","1") = "6"
    & skf21("6","3","6","2","7","4","4","1") = "6"
    & skf21("6","3","6","2","7","4","5","1") = "6"
    & skf21("6","3","6","2","7","4","6","1") = "6"
    & skf21("6","3","6","2","7","4","7","1") = "6"
    & skf21("6","3","6","2","7","5","1","1") = "6"
    & skf21("6","3","6","2","7","5","2","1") = "6"
    & skf21("6","3","6","2","7","5","3","1") = "6"
    & skf21("6","3","6","2","7","5","4","1") = "6"
    & skf21("6","3","6","2","7","5","5","1") = "6"
    & skf21("6","3","6","2","7","5","6","1") = "6"
    & skf21("6","3","6","2","7","5","7","1") = "6"
    & skf21("6","3","6","2","7","6","1","1") = "6"
    & skf21("6","3","6","2","7","6","2","1") = "6"
    & skf21("6","3","6","2","7","6","3","1") = "6"
    & skf21("6","3","6","2","7","6","4","1") = "6"
    & skf21("6","3","6","2","7","6","5","1") = "6"
    & skf21("6","3","6","2","7","6","6","1") = "6"
    & skf21("6","3","6","2","7","6","7","1") = "6"
    & skf21("6","3","6","2","7","7","1","1") = "6"
    & skf21("6","3","6","2","7","7","2","1") = "6"
    & skf21("6","3","6","2","7","7","3","1") = "6"
    & skf21("6","3","6","2","7","7","4","1") = "6"
    & skf21("6","3","6","2","7","7","5","1") = "6"
    & skf21("6","3","6","2","7","7","6","1") = "6"
    & skf21("6","3","6","2","7","7","7","1") = "6"
    & skf21("6","3","6","3","1","1","1","1") = "5"
    & skf21("6","3","6","3","1","1","2","1") = "5"
    & skf21("6","3","6","3","1","1","3","1") = "5"
    & skf21("6","3","6","3","1","1","4","1") = "5"
    & skf21("6","3","6","3","1","1","5","1") = "5"
    & skf21("6","3","6","3","1","1","6","1") = "5"
    & skf21("6","3","6","3","1","1","7","1") = "6"
    & skf21("6","3","6","3","1","2","1","1") = "5"
    & skf21("6","3","6","3","1","2","2","1") = "5"
    & skf21("6","3","6","3","1","2","3","1") = "5"
    & skf21("6","3","6","3","1","2","4","1") = "5"
    & skf21("6","3","6","3","1","2","5","1") = "5"
    & skf21("6","3","6","3","1","2","6","1") = "5"
    & skf21("6","3","6","3","1","2","7","1") = "6"
    & skf21("6","3","6","3","1","3","1","1") = "5"
    & skf21("6","3","6","3","1","3","2","1") = "5"
    & skf21("6","3","6","3","1","3","3","1") = "5"
    & skf21("6","3","6","3","1","3","4","1") = "5"
    & skf21("6","3","6","3","1","3","5","1") = "5"
    & skf21("6","3","6","3","1","3","6","1") = "5"
    & skf21("6","3","6","3","1","3","7","1") = "6"
    & skf21("6","3","6","3","1","4","1","1") = "5"
    & skf21("6","3","6","3","1","4","2","1") = "5"
    & skf21("6","3","6","3","1","4","3","1") = "5"
    & skf21("6","3","6","3","1","4","4","1") = "5"
    & skf21("6","3","6","3","1","4","5","1") = "5"
    & skf21("6","3","6","3","1","4","6","1") = "5"
    & skf21("6","3","6","3","1","4","7","1") = "6"
    & skf21("6","3","6","3","1","5","1","1") = "5"
    & skf21("6","3","6","3","1","5","2","1") = "5"
    & skf21("6","3","6","3","1","5","3","1") = "5"
    & skf21("6","3","6","3","1","5","4","1") = "5"
    & skf21("6","3","6","3","1","5","5","1") = "5"
    & skf21("6","3","6","3","1","5","6","1") = "5"
    & skf21("6","3","6","3","1","5","7","1") = "6"
    & skf21("6","3","6","3","1","6","1","1") = "5"
    & skf21("6","3","6","3","1","6","2","1") = "5"
    & skf21("6","3","6","3","1","6","3","1") = "5"
    & skf21("6","3","6","3","1","6","4","1") = "5"
    & skf21("6","3","6","3","1","6","5","1") = "5"
    & skf21("6","3","6","3","1","6","6","1") = "5"
    & skf21("6","3","6","3","1","6","7","1") = "6"
    & skf21("6","3","6","3","1","7","1","1") = "6"
    & skf21("6","3","6","3","1","7","2","1") = "6"
    & skf21("6","3","6","3","1","7","3","1") = "6"
    & skf21("6","3","6","3","1","7","4","1") = "6"
    & skf21("6","3","6","3","1","7","5","1") = "6"
    & skf21("6","3","6","3","1","7","6","1") = "6"
    & skf21("6","3","6","3","1","7","7","1") = "6"
    & skf21("6","3","6","3","2","1","1","1") = "5"
    & skf21("6","3","6","3","2","1","2","1") = "5"
    & skf21("6","3","6","3","2","1","3","1") = "5"
    & skf21("6","3","6","3","2","1","4","1") = "5"
    & skf21("6","3","6","3","2","1","5","1") = "5"
    & skf21("6","3","6","3","2","1","6","1") = "5"
    & skf21("6","3","6","3","2","1","7","1") = "6"
    & skf21("6","3","6","3","2","2","1","1") = "5"
    & skf21("6","3","6","3","2","2","2","1") = "5"
    & skf21("6","3","6","3","2","2","3","1") = "5"
    & skf21("6","3","6","3","2","2","4","1") = "5"
    & skf21("6","3","6","3","2","2","5","1") = "5"
    & skf21("6","3","6","3","2","2","6","1") = "5"
    & skf21("6","3","6","3","2","2","7","1") = "6"
    & skf21("6","3","6","3","2","3","1","1") = "5"
    & skf21("6","3","6","3","2","3","2","1") = "5"
    & skf21("6","3","6","3","2","3","3","1") = "5"
    & skf21("6","3","6","3","2","3","4","1") = "5"
    & skf21("6","3","6","3","2","3","5","1") = "5"
    & skf21("6","3","6","3","2","3","6","1") = "5"
    & skf21("6","3","6","3","2","3","7","1") = "6"
    & skf21("6","3","6","3","2","4","1","1") = "5"
    & skf21("6","3","6","3","2","4","2","1") = "5"
    & skf21("6","3","6","3","2","4","3","1") = "5"
    & skf21("6","3","6","3","2","4","4","1") = "5"
    & skf21("6","3","6","3","2","4","5","1") = "5"
    & skf21("6","3","6","3","2","4","6","1") = "5"
    & skf21("6","3","6","3","2","4","7","1") = "6"
    & skf21("6","3","6","3","2","5","1","1") = "5"
    & skf21("6","3","6","3","2","5","2","1") = "5"
    & skf21("6","3","6","3","2","5","3","1") = "5"
    & skf21("6","3","6","3","2","5","4","1") = "5"
    & skf21("6","3","6","3","2","5","5","1") = "5"
    & skf21("6","3","6","3","2","5","6","1") = "5"
    & skf21("6","3","6","3","2","5","7","1") = "6"
    & skf21("6","3","6","3","2","6","1","1") = "5"
    & skf21("6","3","6","3","2","6","2","1") = "5"
    & skf21("6","3","6","3","2","6","3","1") = "5"
    & skf21("6","3","6","3","2","6","4","1") = "5"
    & skf21("6","3","6","3","2","6","5","1") = "5"
    & skf21("6","3","6","3","2","6","6","1") = "5"
    & skf21("6","3","6","3","2","6","7","1") = "6"
    & skf21("6","3","6","3","2","7","1","1") = "6"
    & skf21("6","3","6","3","2","7","2","1") = "6"
    & skf21("6","3","6","3","2","7","3","1") = "6"
    & skf21("6","3","6","3","2","7","4","1") = "6"
    & skf21("6","3","6","3","2","7","5","1") = "6"
    & skf21("6","3","6","3","2","7","6","1") = "6"
    & skf21("6","3","6","3","2","7","7","1") = "6"
    & skf21("6","3","6","3","3","1","1","1") = "5"
    & skf21("6","3","6","3","3","1","2","1") = "5"
    & skf21("6","3","6","3","3","1","3","1") = "5"
    & skf21("6","3","6","3","3","1","4","1") = "5"
    & skf21("6","3","6","3","3","1","5","1") = "5"
    & skf21("6","3","6","3","3","1","6","1") = "5"
    & skf21("6","3","6","3","3","1","7","1") = "6"
    & skf21("6","3","6","3","3","2","1","1") = "5"
    & skf21("6","3","6","3","3","2","2","1") = "5"
    & skf21("6","3","6","3","3","2","3","1") = "5"
    & skf21("6","3","6","3","3","2","4","1") = "5"
    & skf21("6","3","6","3","3","2","5","1") = "5"
    & skf21("6","3","6","3","3","2","6","1") = "5"
    & skf21("6","3","6","3","3","2","7","1") = "6"
    & skf21("6","3","6","3","3","3","1","1") = "5"
    & skf21("6","3","6","3","3","3","2","1") = "5"
    & skf21("6","3","6","3","3","3","3","1") = "5"
    & skf21("6","3","6","3","3","3","4","1") = "5"
    & skf21("6","3","6","3","3","3","5","1") = "5"
    & skf21("6","3","6","3","3","3","6","1") = "5"
    & skf21("6","3","6","3","3","3","7","1") = "6"
    & skf21("6","3","6","3","3","4","1","1") = "5"
    & skf21("6","3","6","3","3","4","2","1") = "5"
    & skf21("6","3","6","3","3","4","3","1") = "5"
    & skf21("6","3","6","3","3","4","4","1") = "5"
    & skf21("6","3","6","3","3","4","5","1") = "5"
    & skf21("6","3","6","3","3","4","6","1") = "5"
    & skf21("6","3","6","3","3","4","7","1") = "6"
    & skf21("6","3","6","3","3","5","1","1") = "5"
    & skf21("6","3","6","3","3","5","2","1") = "5"
    & skf21("6","3","6","3","3","5","3","1") = "5"
    & skf21("6","3","6","3","3","5","4","1") = "5"
    & skf21("6","3","6","3","3","5","5","1") = "5"
    & skf21("6","3","6","3","3","5","6","1") = "5"
    & skf21("6","3","6","3","3","5","7","1") = "6"
    & skf21("6","3","6","3","3","6","1","1") = "5"
    & skf21("6","3","6","3","3","6","2","1") = "5"
    & skf21("6","3","6","3","3","6","3","1") = "5"
    & skf21("6","3","6","3","3","6","4","1") = "5"
    & skf21("6","3","6","3","3","6","5","1") = "5"
    & skf21("6","3","6","3","3","6","6","1") = "5"
    & skf21("6","3","6","3","3","6","7","1") = "6"
    & skf21("6","3","6","3","3","7","1","1") = "6"
    & skf21("6","3","6","3","3","7","2","1") = "6"
    & skf21("6","3","6","3","3","7","3","1") = "6"
    & skf21("6","3","6","3","3","7","4","1") = "6"
    & skf21("6","3","6","3","3","7","5","1") = "6"
    & skf21("6","3","6","3","3","7","6","1") = "6"
    & skf21("6","3","6","3","3","7","7","1") = "6"
    & skf21("6","3","6","3","4","1","1","1") = "5"
    & skf21("6","3","6","3","4","1","2","1") = "5"
    & skf21("6","3","6","3","4","1","3","1") = "5"
    & skf21("6","3","6","3","4","1","4","1") = "5"
    & skf21("6","3","6","3","4","1","5","1") = "5"
    & skf21("6","3","6","3","4","1","6","1") = "5"
    & skf21("6","3","6","3","4","1","7","1") = "6"
    & skf21("6","3","6","3","4","2","1","1") = "5"
    & skf21("6","3","6","3","4","2","2","1") = "5"
    & skf21("6","3","6","3","4","2","3","1") = "5"
    & skf21("6","3","6","3","4","2","4","1") = "5"
    & skf21("6","3","6","3","4","2","5","1") = "5"
    & skf21("6","3","6","3","4","2","6","1") = "5"
    & skf21("6","3","6","3","4","2","7","1") = "6"
    & skf21("6","3","6","3","4","3","1","1") = "5"
    & skf21("6","3","6","3","4","3","2","1") = "5"
    & skf21("6","3","6","3","4","3","3","1") = "5"
    & skf21("6","3","6","3","4","3","4","1") = "5"
    & skf21("6","3","6","3","4","3","5","1") = "5"
    & skf21("6","3","6","3","4","3","6","1") = "5"
    & skf21("6","3","6","3","4","3","7","1") = "6"
    & skf21("6","3","6","3","4","4","1","1") = "5"
    & skf21("6","3","6","3","4","4","2","1") = "5"
    & skf21("6","3","6","3","4","4","3","1") = "5"
    & skf21("6","3","6","3","4","4","4","1") = "5"
    & skf21("6","3","6","3","4","4","5","1") = "5"
    & skf21("6","3","6","3","4","4","6","1") = "5"
    & skf21("6","3","6","3","4","4","7","1") = "6"
    & skf21("6","3","6","3","4","5","1","1") = "5"
    & skf21("6","3","6","3","4","5","2","1") = "5"
    & skf21("6","3","6","3","4","5","3","1") = "5"
    & skf21("6","3","6","3","4","5","4","1") = "5"
    & skf21("6","3","6","3","4","5","5","1") = "5"
    & skf21("6","3","6","3","4","5","6","1") = "5"
    & skf21("6","3","6","3","4","5","7","1") = "6"
    & skf21("6","3","6","3","4","6","1","1") = "5"
    & skf21("6","3","6","3","4","6","2","1") = "5"
    & skf21("6","3","6","3","4","6","3","1") = "5"
    & skf21("6","3","6","3","4","6","4","1") = "5"
    & skf21("6","3","6","3","4","6","5","1") = "5"
    & skf21("6","3","6","3","4","6","6","1") = "5"
    & skf21("6","3","6","3","4","6","7","1") = "6"
    & skf21("6","3","6","3","4","7","1","1") = "6"
    & skf21("6","3","6","3","4","7","2","1") = "6"
    & skf21("6","3","6","3","4","7","3","1") = "6"
    & skf21("6","3","6","3","4","7","4","1") = "6"
    & skf21("6","3","6","3","4","7","5","1") = "6"
    & skf21("6","3","6","3","4","7","6","1") = "6"
    & skf21("6","3","6","3","4","7","7","1") = "6"
    & skf21("6","3","6","3","5","1","1","1") = "5"
    & skf21("6","3","6","3","5","1","2","1") = "5"
    & skf21("6","3","6","3","5","1","3","1") = "5"
    & skf21("6","3","6","3","5","1","4","1") = "5"
    & skf21("6","3","6","3","5","1","5","1") = "5"
    & skf21("6","3","6","3","5","1","6","1") = "5"
    & skf21("6","3","6","3","5","1","7","1") = "6"
    & skf21("6","3","6","3","5","2","1","1") = "5"
    & skf21("6","3","6","3","5","2","2","1") = "5"
    & skf21("6","3","6","3","5","2","3","1") = "5"
    & skf21("6","3","6","3","5","2","4","1") = "5"
    & skf21("6","3","6","3","5","2","5","1") = "5"
    & skf21("6","3","6","3","5","2","6","1") = "5"
    & skf21("6","3","6","3","5","2","7","1") = "6"
    & skf21("6","3","6","3","5","3","1","1") = "5"
    & skf21("6","3","6","3","5","3","2","1") = "5"
    & skf21("6","3","6","3","5","3","3","1") = "5"
    & skf21("6","3","6","3","5","3","4","1") = "5"
    & skf21("6","3","6","3","5","3","5","1") = "5"
    & skf21("6","3","6","3","5","3","6","1") = "5"
    & skf21("6","3","6","3","5","3","7","1") = "6"
    & skf21("6","3","6","3","5","4","1","1") = "5"
    & skf21("6","3","6","3","5","4","2","1") = "5"
    & skf21("6","3","6","3","5","4","3","1") = "5"
    & skf21("6","3","6","3","5","4","4","1") = "5"
    & skf21("6","3","6","3","5","4","5","1") = "5"
    & skf21("6","3","6","3","5","4","6","1") = "5"
    & skf21("6","3","6","3","5","4","7","1") = "6"
    & skf21("6","3","6","3","5","5","1","1") = "5"
    & skf21("6","3","6","3","5","5","2","1") = "5"
    & skf21("6","3","6","3","5","5","3","1") = "5"
    & skf21("6","3","6","3","5","5","4","1") = "5"
    & skf21("6","3","6","3","5","5","5","1") = "5"
    & skf21("6","3","6","3","5","5","6","1") = "5"
    & skf21("6","3","6","3","5","5","7","1") = "6"
    & skf21("6","3","6","3","5","6","1","1") = "5"
    & skf21("6","3","6","3","5","6","2","1") = "5"
    & skf21("6","3","6","3","5","6","3","1") = "5"
    & skf21("6","3","6","3","5","6","4","1") = "5"
    & skf21("6","3","6","3","5","6","5","1") = "5"
    & skf21("6","3","6","3","5","6","6","1") = "5"
    & skf21("6","3","6","3","5","6","7","1") = "6"
    & skf21("6","3","6","3","5","7","1","1") = "6"
    & skf21("6","3","6","3","5","7","2","1") = "6"
    & skf21("6","3","6","3","5","7","3","1") = "6"
    & skf21("6","3","6","3","5","7","4","1") = "6"
    & skf21("6","3","6","3","5","7","5","1") = "6"
    & skf21("6","3","6","3","5","7","6","1") = "6"
    & skf21("6","3","6","3","5","7","7","1") = "6"
    & skf21("6","3","6","3","6","1","1","1") = "5"
    & skf21("6","3","6","3","6","1","2","1") = "5"
    & skf21("6","3","6","3","6","1","3","1") = "5"
    & skf21("6","3","6","3","6","1","4","1") = "5"
    & skf21("6","3","6","3","6","1","5","1") = "5"
    & skf21("6","3","6","3","6","1","6","1") = "5"
    & skf21("6","3","6","3","6","1","7","1") = "6"
    & skf21("6","3","6","3","6","2","1","1") = "5"
    & skf21("6","3","6","3","6","2","2","1") = "5"
    & skf21("6","3","6","3","6","2","3","1") = "5"
    & skf21("6","3","6","3","6","2","4","1") = "5"
    & skf21("6","3","6","3","6","2","5","1") = "5"
    & skf21("6","3","6","3","6","2","6","1") = "5"
    & skf21("6","3","6","3","6","2","7","1") = "6"
    & skf21("6","3","6","3","6","3","1","1") = "5"
    & skf21("6","3","6","3","6","3","2","1") = "5"
    & skf21("6","3","6","3","6","3","3","1") = "5"
    & skf21("6","3","6","3","6","3","4","1") = "5"
    & skf21("6","3","6","3","6","3","5","1") = "5"
    & skf21("6","3","6","3","6","3","6","1") = "5"
    & skf21("6","3","6","3","6","3","7","1") = "6"
    & skf21("6","3","6","3","6","4","1","1") = "5"
    & skf21("6","3","6","3","6","4","2","1") = "5"
    & skf21("6","3","6","3","6","4","3","1") = "5"
    & skf21("6","3","6","3","6","4","4","1") = "5"
    & skf21("6","3","6","3","6","4","5","1") = "5"
    & skf21("6","3","6","3","6","4","6","1") = "5"
    & skf21("6","3","6","3","6","4","7","1") = "6"
    & skf21("6","3","6","3","6","5","1","1") = "5"
    & skf21("6","3","6","3","6","5","2","1") = "5"
    & skf21("6","3","6","3","6","5","3","1") = "5"
    & skf21("6","3","6","3","6","5","4","1") = "5"
    & skf21("6","3","6","3","6","5","5","1") = "5"
    & skf21("6","3","6","3","6","5","6","1") = "5"
    & skf21("6","3","6","3","6","5","7","1") = "6"
    & skf21("6","3","6","3","6","6","1","1") = "5"
    & skf21("6","3","6","3","6","6","2","1") = "5"
    & skf21("6","3","6","3","6","6","3","1") = "5"
    & skf21("6","3","6","3","6","6","4","1") = "5"
    & skf21("6","3","6","3","6","6","5","1") = "5"
    & skf21("6","3","6","3","6","6","6","1") = "5"
    & skf21("6","3","6","3","6","6","7","1") = "6"
    & skf21("6","3","6","3","6","7","1","1") = "6"
    & skf21("6","3","6","3","6","7","2","1") = "6"
    & skf21("6","3","6","3","6","7","3","1") = "6"
    & skf21("6","3","6","3","6","7","4","1") = "6"
    & skf21("6","3","6","3","6","7","5","1") = "6"
    & skf21("6","3","6","3","6","7","6","1") = "6"
    & skf21("6","3","6","3","6","7","7","1") = "6"
    & skf21("6","3","6","3","7","1","1","1") = "6"
    & skf21("6","3","6","3","7","1","2","1") = "6"
    & skf21("6","3","6","3","7","1","3","1") = "6"
    & skf21("6","3","6","3","7","1","4","1") = "6"
    & skf21("6","3","6","3","7","1","5","1") = "6"
    & skf21("6","3","6","3","7","1","6","1") = "6"
    & skf21("6","3","6","3","7","1","7","1") = "6"
    & skf21("6","3","6","3","7","2","1","1") = "6"
    & skf21("6","3","6","3","7","2","2","1") = "6"
    & skf21("6","3","6","3","7","2","3","1") = "6"
    & skf21("6","3","6","3","7","2","4","1") = "6"
    & skf21("6","3","6","3","7","2","5","1") = "6"
    & skf21("6","3","6","3","7","2","6","1") = "6"
    & skf21("6","3","6","3","7","2","7","1") = "6"
    & skf21("6","3","6","3","7","3","1","1") = "6"
    & skf21("6","3","6","3","7","3","2","1") = "6"
    & skf21("6","3","6","3","7","3","3","1") = "6"
    & skf21("6","3","6","3","7","3","4","1") = "6"
    & skf21("6","3","6","3","7","3","5","1") = "6"
    & skf21("6","3","6","3","7","3","6","1") = "6"
    & skf21("6","3","6","3","7","3","7","1") = "6"
    & skf21("6","3","6","3","7","4","1","1") = "6"
    & skf21("6","3","6","3","7","4","2","1") = "6"
    & skf21("6","3","6","3","7","4","3","1") = "6"
    & skf21("6","3","6","3","7","4","4","1") = "6"
    & skf21("6","3","6","3","7","4","5","1") = "6"
    & skf21("6","3","6","3","7","4","6","1") = "6"
    & skf21("6","3","6","3","7","4","7","1") = "6"
    & skf21("6","3","6","3","7","5","1","1") = "6"
    & skf21("6","3","6","3","7","5","2","1") = "6"
    & skf21("6","3","6","3","7","5","3","1") = "6"
    & skf21("6","3","6","3","7","5","4","1") = "6"
    & skf21("6","3","6","3","7","5","5","1") = "6"
    & skf21("6","3","6","3","7","5","6","1") = "6"
    & skf21("6","3","6","3","7","5","7","1") = "6"
    & skf21("6","3","6","3","7","6","1","1") = "6"
    & skf21("6","3","6","3","7","6","2","1") = "6"
    & skf21("6","3","6","3","7","6","3","1") = "6"
    & skf21("6","3","6","3","7","6","4","1") = "6"
    & skf21("6","3","6","3","7","6","5","1") = "6"
    & skf21("6","3","6","3","7","6","6","1") = "6"
    & skf21("6","3","6","3","7","6","7","1") = "6"
    & skf21("6","3","6","3","7","7","1","1") = "6"
    & skf21("6","3","6","3","7","7","2","1") = "6"
    & skf21("6","3","6","3","7","7","3","1") = "6"
    & skf21("6","3","6","3","7","7","4","1") = "6"
    & skf21("6","3","6","3","7","7","5","1") = "6"
    & skf21("6","3","6","3","7","7","6","1") = "6"
    & skf21("6","3","6","3","7","7","7","1") = "6"
    & skf21("6","3","6","4","1","1","1","1") = "5"
    & skf21("6","3","6","4","1","1","2","1") = "5"
    & skf21("6","3","6","4","1","1","3","1") = "5"
    & skf21("6","3","6","4","1","1","4","1") = "5"
    & skf21("6","3","6","4","1","1","5","1") = "5"
    & skf21("6","3","6","4","1","1","6","1") = "5"
    & skf21("6","3","6","4","1","1","7","1") = "6"
    & skf21("6","3","6","4","1","2","1","1") = "5"
    & skf21("6","3","6","4","1","2","2","1") = "5"
    & skf21("6","3","6","4","1","2","3","1") = "5"
    & skf21("6","3","6","4","1","2","4","1") = "5"
    & skf21("6","3","6","4","1","2","5","1") = "5"
    & skf21("6","3","6","4","1","2","6","1") = "5"
    & skf21("6","3","6","4","1","2","7","1") = "6"
    & skf21("6","3","6","4","1","3","1","1") = "5"
    & skf21("6","3","6","4","1","3","2","1") = "5"
    & skf21("6","3","6","4","1","3","3","1") = "5"
    & skf21("6","3","6","4","1","3","4","1") = "5"
    & skf21("6","3","6","4","1","3","5","1") = "5"
    & skf21("6","3","6","4","1","3","6","1") = "5"
    & skf21("6","3","6","4","1","3","7","1") = "6"
    & skf21("6","3","6","4","1","4","1","1") = "5"
    & skf21("6","3","6","4","1","4","2","1") = "5"
    & skf21("6","3","6","4","1","4","3","1") = "5"
    & skf21("6","3","6","4","1","4","4","1") = "5"
    & skf21("6","3","6","4","1","4","5","1") = "5"
    & skf21("6","3","6","4","1","4","6","1") = "5"
    & skf21("6","3","6","4","1","4","7","1") = "6"
    & skf21("6","3","6","4","1","5","1","1") = "5"
    & skf21("6","3","6","4","1","5","2","1") = "5"
    & skf21("6","3","6","4","1","5","3","1") = "5"
    & skf21("6","3","6","4","1","5","4","1") = "5"
    & skf21("6","3","6","4","1","5","5","1") = "5"
    & skf21("6","3","6","4","1","5","6","1") = "5"
    & skf21("6","3","6","4","1","5","7","1") = "6"
    & skf21("6","3","6","4","1","6","1","1") = "5"
    & skf21("6","3","6","4","1","6","2","1") = "5"
    & skf21("6","3","6","4","1","6","3","1") = "5"
    & skf21("6","3","6","4","1","6","4","1") = "5"
    & skf21("6","3","6","4","1","6","5","1") = "5"
    & skf21("6","3","6","4","1","6","6","1") = "5"
    & skf21("6","3","6","4","1","6","7","1") = "6"
    & skf21("6","3","6","4","1","7","1","1") = "6"
    & skf21("6","3","6","4","1","7","2","1") = "6"
    & skf21("6","3","6","4","1","7","3","1") = "6"
    & skf21("6","3","6","4","1","7","4","1") = "6"
    & skf21("6","3","6","4","1","7","5","1") = "6"
    & skf21("6","3","6","4","1","7","6","1") = "6"
    & skf21("6","3","6","4","1","7","7","1") = "6"
    & skf21("6","3","6","4","2","1","1","1") = "5"
    & skf21("6","3","6","4","2","1","2","1") = "5"
    & skf21("6","3","6","4","2","1","3","1") = "5"
    & skf21("6","3","6","4","2","1","4","1") = "5"
    & skf21("6","3","6","4","2","1","5","1") = "5"
    & skf21("6","3","6","4","2","1","6","1") = "5"
    & skf21("6","3","6","4","2","1","7","1") = "6"
    & skf21("6","3","6","4","2","2","1","1") = "5"
    & skf21("6","3","6","4","2","2","2","1") = "5"
    & skf21("6","3","6","4","2","2","3","1") = "5"
    & skf21("6","3","6","4","2","2","4","1") = "5"
    & skf21("6","3","6","4","2","2","5","1") = "5"
    & skf21("6","3","6","4","2","2","6","1") = "5"
    & skf21("6","3","6","4","2","2","7","1") = "6"
    & skf21("6","3","6","4","2","3","1","1") = "5"
    & skf21("6","3","6","4","2","3","2","1") = "5"
    & skf21("6","3","6","4","2","3","3","1") = "5"
    & skf21("6","3","6","4","2","3","4","1") = "5"
    & skf21("6","3","6","4","2","3","5","1") = "5"
    & skf21("6","3","6","4","2","3","6","1") = "5"
    & skf21("6","3","6","4","2","3","7","1") = "6"
    & skf21("6","3","6","4","2","4","1","1") = "5"
    & skf21("6","3","6","4","2","4","2","1") = "5"
    & skf21("6","3","6","4","2","4","3","1") = "5"
    & skf21("6","3","6","4","2","4","4","1") = "5"
    & skf21("6","3","6","4","2","4","5","1") = "5"
    & skf21("6","3","6","4","2","4","6","1") = "5"
    & skf21("6","3","6","4","2","4","7","1") = "6"
    & skf21("6","3","6","4","2","5","1","1") = "5"
    & skf21("6","3","6","4","2","5","2","1") = "5"
    & skf21("6","3","6","4","2","5","3","1") = "5"
    & skf21("6","3","6","4","2","5","4","1") = "5"
    & skf21("6","3","6","4","2","5","5","1") = "5"
    & skf21("6","3","6","4","2","5","6","1") = "5"
    & skf21("6","3","6","4","2","5","7","1") = "6"
    & skf21("6","3","6","4","2","6","1","1") = "5"
    & skf21("6","3","6","4","2","6","2","1") = "5"
    & skf21("6","3","6","4","2","6","3","1") = "5"
    & skf21("6","3","6","4","2","6","4","1") = "5"
    & skf21("6","3","6","4","2","6","5","1") = "5"
    & skf21("6","3","6","4","2","6","6","1") = "5"
    & skf21("6","3","6","4","2","6","7","1") = "6"
    & skf21("6","3","6","4","2","7","1","1") = "6"
    & skf21("6","3","6","4","2","7","2","1") = "6"
    & skf21("6","3","6","4","2","7","3","1") = "6"
    & skf21("6","3","6","4","2","7","4","1") = "6"
    & skf21("6","3","6","4","2","7","5","1") = "6"
    & skf21("6","3","6","4","2","7","6","1") = "6"
    & skf21("6","3","6","4","2","7","7","1") = "6"
    & skf21("6","3","6","4","3","1","1","1") = "5"
    & skf21("6","3","6","4","3","1","2","1") = "5"
    & skf21("6","3","6","4","3","1","3","1") = "5"
    & skf21("6","3","6","4","3","1","4","1") = "5"
    & skf21("6","3","6","4","3","1","5","1") = "5"
    & skf21("6","3","6","4","3","1","6","1") = "5"
    & skf21("6","3","6","4","3","1","7","1") = "6"
    & skf21("6","3","6","4","3","2","1","1") = "5"
    & skf21("6","3","6","4","3","2","2","1") = "5"
    & skf21("6","3","6","4","3","2","3","1") = "5"
    & skf21("6","3","6","4","3","2","4","1") = "5"
    & skf21("6","3","6","4","3","2","5","1") = "5"
    & skf21("6","3","6","4","3","2","6","1") = "5"
    & skf21("6","3","6","4","3","2","7","1") = "6"
    & skf21("6","3","6","4","3","3","1","1") = "5"
    & skf21("6","3","6","4","3","3","2","1") = "5"
    & skf21("6","3","6","4","3","3","3","1") = "5"
    & skf21("6","3","6","4","3","3","4","1") = "5"
    & skf21("6","3","6","4","3","3","5","1") = "5"
    & skf21("6","3","6","4","3","3","6","1") = "5"
    & skf21("6","3","6","4","3","3","7","1") = "6"
    & skf21("6","3","6","4","3","4","1","1") = "5"
    & skf21("6","3","6","4","3","4","2","1") = "5"
    & skf21("6","3","6","4","3","4","3","1") = "5"
    & skf21("6","3","6","4","3","4","4","1") = "5"
    & skf21("6","3","6","4","3","4","5","1") = "5"
    & skf21("6","3","6","4","3","4","6","1") = "5"
    & skf21("6","3","6","4","3","4","7","1") = "6"
    & skf21("6","3","6","4","3","5","1","1") = "5"
    & skf21("6","3","6","4","3","5","2","1") = "5"
    & skf21("6","3","6","4","3","5","3","1") = "5"
    & skf21("6","3","6","4","3","5","4","1") = "5"
    & skf21("6","3","6","4","3","5","5","1") = "5"
    & skf21("6","3","6","4","3","5","6","1") = "5"
    & skf21("6","3","6","4","3","5","7","1") = "6"
    & skf21("6","3","6","4","3","6","1","1") = "5"
    & skf21("6","3","6","4","3","6","2","1") = "5"
    & skf21("6","3","6","4","3","6","3","1") = "5"
    & skf21("6","3","6","4","3","6","4","1") = "5"
    & skf21("6","3","6","4","3","6","5","1") = "5"
    & skf21("6","3","6","4","3","6","6","1") = "5"
    & skf21("6","3","6","4","3","6","7","1") = "6"
    & skf21("6","3","6","4","3","7","1","1") = "6"
    & skf21("6","3","6","4","3","7","2","1") = "6"
    & skf21("6","3","6","4","3","7","3","1") = "6"
    & skf21("6","3","6","4","3","7","4","1") = "6"
    & skf21("6","3","6","4","3","7","5","1") = "6"
    & skf21("6","3","6","4","3","7","6","1") = "6"
    & skf21("6","3","6","4","3","7","7","1") = "6"
    & skf21("6","3","6","4","4","1","1","1") = "5"
    & skf21("6","3","6","4","4","1","2","1") = "5"
    & skf21("6","3","6","4","4","1","3","1") = "5"
    & skf21("6","3","6","4","4","1","4","1") = "5"
    & skf21("6","3","6","4","4","1","5","1") = "5"
    & skf21("6","3","6","4","4","1","6","1") = "5"
    & skf21("6","3","6","4","4","1","7","1") = "6"
    & skf21("6","3","6","4","4","2","1","1") = "5"
    & skf21("6","3","6","4","4","2","2","1") = "5"
    & skf21("6","3","6","4","4","2","3","1") = "5"
    & skf21("6","3","6","4","4","2","4","1") = "5"
    & skf21("6","3","6","4","4","2","5","1") = "5"
    & skf21("6","3","6","4","4","2","6","1") = "5"
    & skf21("6","3","6","4","4","2","7","1") = "6"
    & skf21("6","3","6","4","4","3","1","1") = "5"
    & skf21("6","3","6","4","4","3","2","1") = "5"
    & skf21("6","3","6","4","4","3","3","1") = "5"
    & skf21("6","3","6","4","4","3","4","1") = "5"
    & skf21("6","3","6","4","4","3","5","1") = "5"
    & skf21("6","3","6","4","4","3","6","1") = "5"
    & skf21("6","3","6","4","4","3","7","1") = "6"
    & skf21("6","3","6","4","4","4","1","1") = "5"
    & skf21("6","3","6","4","4","4","2","1") = "5"
    & skf21("6","3","6","4","4","4","3","1") = "5"
    & skf21("6","3","6","4","4","4","4","1") = "5"
    & skf21("6","3","6","4","4","4","5","1") = "5"
    & skf21("6","3","6","4","4","4","6","1") = "5"
    & skf21("6","3","6","4","4","4","7","1") = "6"
    & skf21("6","3","6","4","4","5","1","1") = "5"
    & skf21("6","3","6","4","4","5","2","1") = "5"
    & skf21("6","3","6","4","4","5","3","1") = "5"
    & skf21("6","3","6","4","4","5","4","1") = "5"
    & skf21("6","3","6","4","4","5","5","1") = "5"
    & skf21("6","3","6","4","4","5","6","1") = "5"
    & skf21("6","3","6","4","4","5","7","1") = "6"
    & skf21("6","3","6","4","4","6","1","1") = "5"
    & skf21("6","3","6","4","4","6","2","1") = "5"
    & skf21("6","3","6","4","4","6","3","1") = "5"
    & skf21("6","3","6","4","4","6","4","1") = "5"
    & skf21("6","3","6","4","4","6","5","1") = "5"
    & skf21("6","3","6","4","4","6","6","1") = "5"
    & skf21("6","3","6","4","4","6","7","1") = "6"
    & skf21("6","3","6","4","4","7","1","1") = "6"
    & skf21("6","3","6","4","4","7","2","1") = "6"
    & skf21("6","3","6","4","4","7","3","1") = "6"
    & skf21("6","3","6","4","4","7","4","1") = "6"
    & skf21("6","3","6","4","4","7","5","1") = "6"
    & skf21("6","3","6","4","4","7","6","1") = "6"
    & skf21("6","3","6","4","4","7","7","1") = "6"
    & skf21("6","3","6","4","5","1","1","1") = "5"
    & skf21("6","3","6","4","5","1","2","1") = "5"
    & skf21("6","3","6","4","5","1","3","1") = "5"
    & skf21("6","3","6","4","5","1","4","1") = "5"
    & skf21("6","3","6","4","5","1","5","1") = "5"
    & skf21("6","3","6","4","5","1","6","1") = "5"
    & skf21("6","3","6","4","5","1","7","1") = "6"
    & skf21("6","3","6","4","5","2","1","1") = "5"
    & skf21("6","3","6","4","5","2","2","1") = "5"
    & skf21("6","3","6","4","5","2","3","1") = "5"
    & skf21("6","3","6","4","5","2","4","1") = "5"
    & skf21("6","3","6","4","5","2","5","1") = "5"
    & skf21("6","3","6","4","5","2","6","1") = "5"
    & skf21("6","3","6","4","5","2","7","1") = "6"
    & skf21("6","3","6","4","5","3","1","1") = "5"
    & skf21("6","3","6","4","5","3","2","1") = "5"
    & skf21("6","3","6","4","5","3","3","1") = "5"
    & skf21("6","3","6","4","5","3","4","1") = "5"
    & skf21("6","3","6","4","5","3","5","1") = "5"
    & skf21("6","3","6","4","5","3","6","1") = "5"
    & skf21("6","3","6","4","5","3","7","1") = "6"
    & skf21("6","3","6","4","5","4","1","1") = "5"
    & skf21("6","3","6","4","5","4","2","1") = "5"
    & skf21("6","3","6","4","5","4","3","1") = "5"
    & skf21("6","3","6","4","5","4","4","1") = "5"
    & skf21("6","3","6","4","5","4","5","1") = "5"
    & skf21("6","3","6","4","5","4","6","1") = "5"
    & skf21("6","3","6","4","5","4","7","1") = "6"
    & skf21("6","3","6","4","5","5","1","1") = "5"
    & skf21("6","3","6","4","5","5","2","1") = "5"
    & skf21("6","3","6","4","5","5","3","1") = "5"
    & skf21("6","3","6","4","5","5","4","1") = "5"
    & skf21("6","3","6","4","5","5","5","1") = "5"
    & skf21("6","3","6","4","5","5","6","1") = "5"
    & skf21("6","3","6","4","5","5","7","1") = "6"
    & skf21("6","3","6","4","5","6","1","1") = "5"
    & skf21("6","3","6","4","5","6","2","1") = "5"
    & skf21("6","3","6","4","5","6","3","1") = "5"
    & skf21("6","3","6","4","5","6","4","1") = "5"
    & skf21("6","3","6","4","5","6","5","1") = "5"
    & skf21("6","3","6","4","5","6","6","1") = "5"
    & skf21("6","3","6","4","5","6","7","1") = "6"
    & skf21("6","3","6","4","5","7","1","1") = "6"
    & skf21("6","3","6","4","5","7","2","1") = "6"
    & skf21("6","3","6","4","5","7","3","1") = "6"
    & skf21("6","3","6","4","5","7","4","1") = "6"
    & skf21("6","3","6","4","5","7","5","1") = "6"
    & skf21("6","3","6","4","5","7","6","1") = "6"
    & skf21("6","3","6","4","5","7","7","1") = "6"
    & skf21("6","3","6","4","6","1","1","1") = "5"
    & skf21("6","3","6","4","6","1","2","1") = "5"
    & skf21("6","3","6","4","6","1","3","1") = "5"
    & skf21("6","3","6","4","6","1","4","1") = "5"
    & skf21("6","3","6","4","6","1","5","1") = "5"
    & skf21("6","3","6","4","6","1","6","1") = "5"
    & skf21("6","3","6","4","6","1","7","1") = "6"
    & skf21("6","3","6","4","6","2","1","1") = "5"
    & skf21("6","3","6","4","6","2","2","1") = "5"
    & skf21("6","3","6","4","6","2","3","1") = "5"
    & skf21("6","3","6","4","6","2","4","1") = "5"
    & skf21("6","3","6","4","6","2","5","1") = "5"
    & skf21("6","3","6","4","6","2","6","1") = "5"
    & skf21("6","3","6","4","6","2","7","1") = "6"
    & skf21("6","3","6","4","6","3","1","1") = "5"
    & skf21("6","3","6","4","6","3","2","1") = "5"
    & skf21("6","3","6","4","6","3","3","1") = "5"
    & skf21("6","3","6","4","6","3","4","1") = "5"
    & skf21("6","3","6","4","6","3","5","1") = "5"
    & skf21("6","3","6","4","6","3","6","1") = "5"
    & skf21("6","3","6","4","6","3","7","1") = "6"
    & skf21("6","3","6","4","6","4","1","1") = "5"
    & skf21("6","3","6","4","6","4","2","1") = "5"
    & skf21("6","3","6","4","6","4","3","1") = "5"
    & skf21("6","3","6","4","6","4","4","1") = "5"
    & skf21("6","3","6","4","6","4","5","1") = "5"
    & skf21("6","3","6","4","6","4","6","1") = "5"
    & skf21("6","3","6","4","6","4","7","1") = "6"
    & skf21("6","3","6","4","6","5","1","1") = "5"
    & skf21("6","3","6","4","6","5","2","1") = "5"
    & skf21("6","3","6","4","6","5","3","1") = "5"
    & skf21("6","3","6","4","6","5","4","1") = "5"
    & skf21("6","3","6","4","6","5","5","1") = "5"
    & skf21("6","3","6","4","6","5","6","1") = "5"
    & skf21("6","3","6","4","6","5","7","1") = "6"
    & skf21("6","3","6","4","6","6","1","1") = "5"
    & skf21("6","3","6","4","6","6","2","1") = "5"
    & skf21("6","3","6","4","6","6","3","1") = "5"
    & skf21("6","3","6","4","6","6","4","1") = "5"
    & skf21("6","3","6","4","6","6","5","1") = "5"
    & skf21("6","3","6","4","6","6","6","1") = "5"
    & skf21("6","3","6","4","6","6","7","1") = "6"
    & skf21("6","3","6","4","6","7","1","1") = "6"
    & skf21("6","3","6","4","6","7","2","1") = "6"
    & skf21("6","3","6","4","6","7","3","1") = "6"
    & skf21("6","3","6","4","6","7","4","1") = "6"
    & skf21("6","3","6","4","6","7","5","1") = "6"
    & skf21("6","3","6","4","6","7","6","1") = "6"
    & skf21("6","3","6","4","6","7","7","1") = "6"
    & skf21("6","3","6","4","7","1","1","1") = "6"
    & skf21("6","3","6","4","7","1","2","1") = "6"
    & skf21("6","3","6","4","7","1","3","1") = "6"
    & skf21("6","3","6","4","7","1","4","1") = "6"
    & skf21("6","3","6","4","7","1","5","1") = "6"
    & skf21("6","3","6","4","7","1","6","1") = "6"
    & skf21("6","3","6","4","7","1","7","1") = "6"
    & skf21("6","3","6","4","7","2","1","1") = "6"
    & skf21("6","3","6","4","7","2","2","1") = "6"
    & skf21("6","3","6","4","7","2","3","1") = "6"
    & skf21("6","3","6","4","7","2","4","1") = "6"
    & skf21("6","3","6","4","7","2","5","1") = "6"
    & skf21("6","3","6","4","7","2","6","1") = "6"
    & skf21("6","3","6","4","7","2","7","1") = "6"
    & skf21("6","3","6","4","7","3","1","1") = "6"
    & skf21("6","3","6","4","7","3","2","1") = "6"
    & skf21("6","3","6","4","7","3","3","1") = "6"
    & skf21("6","3","6","4","7","3","4","1") = "6"
    & skf21("6","3","6","4","7","3","5","1") = "6"
    & skf21("6","3","6","4","7","3","6","1") = "6"
    & skf21("6","3","6","4","7","3","7","1") = "6"
    & skf21("6","3","6","4","7","4","1","1") = "6"
    & skf21("6","3","6","4","7","4","2","1") = "6"
    & skf21("6","3","6","4","7","4","3","1") = "6"
    & skf21("6","3","6","4","7","4","4","1") = "6"
    & skf21("6","3","6","4","7","4","5","1") = "6"
    & skf21("6","3","6","4","7","4","6","1") = "6"
    & skf21("6","3","6","4","7","4","7","1") = "6"
    & skf21("6","3","6","4","7","5","1","1") = "6"
    & skf21("6","3","6","4","7","5","2","1") = "6"
    & skf21("6","3","6","4","7","5","3","1") = "6"
    & skf21("6","3","6","4","7","5","4","1") = "6"
    & skf21("6","3","6","4","7","5","5","1") = "6"
    & skf21("6","3","6","4","7","5","6","1") = "6"
    & skf21("6","3","6","4","7","5","7","1") = "6"
    & skf21("6","3","6","4","7","6","1","1") = "6"
    & skf21("6","3","6","4","7","6","2","1") = "6"
    & skf21("6","3","6","4","7","6","3","1") = "6"
    & skf21("6","3","6","4","7","6","4","1") = "6"
    & skf21("6","3","6","4","7","6","5","1") = "6"
    & skf21("6","3","6","4","7","6","6","1") = "6"
    & skf21("6","3","6","4","7","6","7","1") = "6"
    & skf21("6","3","6","4","7","7","1","1") = "6"
    & skf21("6","3","6","4","7","7","2","1") = "6"
    & skf21("6","3","6","4","7","7","3","1") = "6"
    & skf21("6","3","6","4","7","7","4","1") = "6"
    & skf21("6","3","6","4","7","7","5","1") = "6"
    & skf21("6","3","6","4","7","7","6","1") = "6"
    & skf21("6","3","6","4","7","7","7","1") = "6"
    & skf21("6","3","6","5","1","1","1","1") = "5"
    & skf21("6","3","6","5","1","1","2","1") = "5"
    & skf21("6","3","6","5","1","1","3","1") = "5"
    & skf21("6","3","6","5","1","1","4","1") = "5"
    & skf21("6","3","6","5","1","1","5","1") = "5"
    & skf21("6","3","6","5","1","1","6","1") = "5"
    & skf21("6","3","6","5","1","1","7","1") = "6"
    & skf21("6","3","6","5","1","2","1","1") = "5"
    & skf21("6","3","6","5","1","2","2","1") = "5"
    & skf21("6","3","6","5","1","2","3","1") = "5"
    & skf21("6","3","6","5","1","2","4","1") = "5"
    & skf21("6","3","6","5","1","2","5","1") = "5"
    & skf21("6","3","6","5","1","2","6","1") = "5"
    & skf21("6","3","6","5","1","2","7","1") = "6"
    & skf21("6","3","6","5","1","3","1","1") = "5"
    & skf21("6","3","6","5","1","3","2","1") = "5"
    & skf21("6","3","6","5","1","3","3","1") = "5"
    & skf21("6","3","6","5","1","3","4","1") = "5"
    & skf21("6","3","6","5","1","3","5","1") = "5"
    & skf21("6","3","6","5","1","3","6","1") = "5"
    & skf21("6","3","6","5","1","3","7","1") = "6"
    & skf21("6","3","6","5","1","4","1","1") = "5"
    & skf21("6","3","6","5","1","4","2","1") = "5"
    & skf21("6","3","6","5","1","4","3","1") = "5"
    & skf21("6","3","6","5","1","4","4","1") = "5"
    & skf21("6","3","6","5","1","4","5","1") = "5"
    & skf21("6","3","6","5","1","4","6","1") = "5"
    & skf21("6","3","6","5","1","4","7","1") = "6"
    & skf21("6","3","6","5","1","5","1","1") = "5"
    & skf21("6","3","6","5","1","5","2","1") = "5"
    & skf21("6","3","6","5","1","5","3","1") = "5"
    & skf21("6","3","6","5","1","5","4","1") = "5"
    & skf21("6","3","6","5","1","5","5","1") = "5"
    & skf21("6","3","6","5","1","5","6","1") = "5"
    & skf21("6","3","6","5","1","5","7","1") = "6"
    & skf21("6","3","6","5","1","6","1","1") = "5"
    & skf21("6","3","6","5","1","6","2","1") = "5"
    & skf21("6","3","6","5","1","6","3","1") = "5"
    & skf21("6","3","6","5","1","6","4","1") = "5"
    & skf21("6","3","6","5","1","6","5","1") = "5"
    & skf21("6","3","6","5","1","6","6","1") = "5"
    & skf21("6","3","6","5","1","6","7","1") = "6"
    & skf21("6","3","6","5","1","7","1","1") = "6"
    & skf21("6","3","6","5","1","7","2","1") = "6"
    & skf21("6","3","6","5","1","7","3","1") = "6"
    & skf21("6","3","6","5","1","7","4","1") = "6"
    & skf21("6","3","6","5","1","7","5","1") = "6"
    & skf21("6","3","6","5","1","7","6","1") = "6"
    & skf21("6","3","6","5","1","7","7","1") = "6"
    & skf21("6","3","6","5","2","1","1","1") = "5"
    & skf21("6","3","6","5","2","1","2","1") = "5"
    & skf21("6","3","6","5","2","1","3","1") = "5"
    & skf21("6","3","6","5","2","1","4","1") = "5"
    & skf21("6","3","6","5","2","1","5","1") = "5"
    & skf21("6","3","6","5","2","1","6","1") = "5"
    & skf21("6","3","6","5","2","1","7","1") = "6"
    & skf21("6","3","6","5","2","2","1","1") = "5"
    & skf21("6","3","6","5","2","2","2","1") = "5"
    & skf21("6","3","6","5","2","2","3","1") = "5"
    & skf21("6","3","6","5","2","2","4","1") = "5"
    & skf21("6","3","6","5","2","2","5","1") = "5"
    & skf21("6","3","6","5","2","2","6","1") = "5"
    & skf21("6","3","6","5","2","2","7","1") = "6"
    & skf21("6","3","6","5","2","3","1","1") = "5"
    & skf21("6","3","6","5","2","3","2","1") = "5"
    & skf21("6","3","6","5","2","3","3","1") = "5"
    & skf21("6","3","6","5","2","3","4","1") = "5"
    & skf21("6","3","6","5","2","3","5","1") = "5"
    & skf21("6","3","6","5","2","3","6","1") = "5"
    & skf21("6","3","6","5","2","3","7","1") = "6"
    & skf21("6","3","6","5","2","4","1","1") = "5"
    & skf21("6","3","6","5","2","4","2","1") = "5"
    & skf21("6","3","6","5","2","4","3","1") = "5"
    & skf21("6","3","6","5","2","4","4","1") = "5"
    & skf21("6","3","6","5","2","4","5","1") = "5"
    & skf21("6","3","6","5","2","4","6","1") = "5"
    & skf21("6","3","6","5","2","4","7","1") = "6"
    & skf21("6","3","6","5","2","5","1","1") = "5"
    & skf21("6","3","6","5","2","5","2","1") = "5"
    & skf21("6","3","6","5","2","5","3","1") = "5"
    & skf21("6","3","6","5","2","5","4","1") = "5"
    & skf21("6","3","6","5","2","5","5","1") = "5"
    & skf21("6","3","6","5","2","5","6","1") = "5"
    & skf21("6","3","6","5","2","5","7","1") = "6"
    & skf21("6","3","6","5","2","6","1","1") = "5"
    & skf21("6","3","6","5","2","6","2","1") = "5"
    & skf21("6","3","6","5","2","6","3","1") = "5"
    & skf21("6","3","6","5","2","6","4","1") = "5"
    & skf21("6","3","6","5","2","6","5","1") = "5"
    & skf21("6","3","6","5","2","6","6","1") = "5"
    & skf21("6","3","6","5","2","6","7","1") = "6"
    & skf21("6","3","6","5","2","7","1","1") = "6"
    & skf21("6","3","6","5","2","7","2","1") = "6"
    & skf21("6","3","6","5","2","7","3","1") = "6"
    & skf21("6","3","6","5","2","7","4","1") = "6"
    & skf21("6","3","6","5","2","7","5","1") = "6"
    & skf21("6","3","6","5","2","7","6","1") = "6"
    & skf21("6","3","6","5","2","7","7","1") = "6"
    & skf21("6","3","6","5","3","1","1","1") = "5"
    & skf21("6","3","6","5","3","1","2","1") = "5"
    & skf21("6","3","6","5","3","1","3","1") = "5"
    & skf21("6","3","6","5","3","1","4","1") = "5"
    & skf21("6","3","6","5","3","1","5","1") = "5"
    & skf21("6","3","6","5","3","1","6","1") = "5"
    & skf21("6","3","6","5","3","1","7","1") = "6"
    & skf21("6","3","6","5","3","2","1","1") = "5"
    & skf21("6","3","6","5","3","2","2","1") = "5"
    & skf21("6","3","6","5","3","2","3","1") = "5"
    & skf21("6","3","6","5","3","2","4","1") = "5"
    & skf21("6","3","6","5","3","2","5","1") = "5"
    & skf21("6","3","6","5","3","2","6","1") = "5"
    & skf21("6","3","6","5","3","2","7","1") = "6"
    & skf21("6","3","6","5","3","3","1","1") = "5"
    & skf21("6","3","6","5","3","3","2","1") = "5"
    & skf21("6","3","6","5","3","3","3","1") = "5"
    & skf21("6","3","6","5","3","3","4","1") = "5"
    & skf21("6","3","6","5","3","3","5","1") = "5"
    & skf21("6","3","6","5","3","3","6","1") = "5"
    & skf21("6","3","6","5","3","3","7","1") = "6"
    & skf21("6","3","6","5","3","4","1","1") = "5"
    & skf21("6","3","6","5","3","4","2","1") = "5"
    & skf21("6","3","6","5","3","4","3","1") = "5"
    & skf21("6","3","6","5","3","4","4","1") = "5"
    & skf21("6","3","6","5","3","4","5","1") = "5"
    & skf21("6","3","6","5","3","4","6","1") = "5"
    & skf21("6","3","6","5","3","4","7","1") = "6"
    & skf21("6","3","6","5","3","5","1","1") = "5"
    & skf21("6","3","6","5","3","5","2","1") = "5"
    & skf21("6","3","6","5","3","5","3","1") = "5"
    & skf21("6","3","6","5","3","5","4","1") = "5"
    & skf21("6","3","6","5","3","5","5","1") = "5"
    & skf21("6","3","6","5","3","5","6","1") = "5"
    & skf21("6","3","6","5","3","5","7","1") = "6"
    & skf21("6","3","6","5","3","6","1","1") = "5"
    & skf21("6","3","6","5","3","6","2","1") = "5"
    & skf21("6","3","6","5","3","6","3","1") = "5"
    & skf21("6","3","6","5","3","6","4","1") = "5"
    & skf21("6","3","6","5","3","6","5","1") = "5"
    & skf21("6","3","6","5","3","6","6","1") = "5"
    & skf21("6","3","6","5","3","6","7","1") = "6"
    & skf21("6","3","6","5","3","7","1","1") = "6"
    & skf21("6","3","6","5","3","7","2","1") = "6"
    & skf21("6","3","6","5","3","7","3","1") = "6"
    & skf21("6","3","6","5","3","7","4","1") = "6"
    & skf21("6","3","6","5","3","7","5","1") = "6"
    & skf21("6","3","6","5","3","7","6","1") = "6"
    & skf21("6","3","6","5","3","7","7","1") = "6"
    & skf21("6","3","6","5","4","1","1","1") = "5"
    & skf21("6","3","6","5","4","1","2","1") = "5"
    & skf21("6","3","6","5","4","1","3","1") = "5"
    & skf21("6","3","6","5","4","1","4","1") = "5"
    & skf21("6","3","6","5","4","1","5","1") = "5"
    & skf21("6","3","6","5","4","1","6","1") = "5"
    & skf21("6","3","6","5","4","1","7","1") = "6"
    & skf21("6","3","6","5","4","2","1","1") = "5"
    & skf21("6","3","6","5","4","2","2","1") = "5"
    & skf21("6","3","6","5","4","2","3","1") = "5"
    & skf21("6","3","6","5","4","2","4","1") = "5"
    & skf21("6","3","6","5","4","2","5","1") = "5"
    & skf21("6","3","6","5","4","2","6","1") = "5"
    & skf21("6","3","6","5","4","2","7","1") = "6"
    & skf21("6","3","6","5","4","3","1","1") = "5"
    & skf21("6","3","6","5","4","3","2","1") = "5"
    & skf21("6","3","6","5","4","3","3","1") = "5"
    & skf21("6","3","6","5","4","3","4","1") = "5"
    & skf21("6","3","6","5","4","3","5","1") = "5"
    & skf21("6","3","6","5","4","3","6","1") = "5"
    & skf21("6","3","6","5","4","3","7","1") = "6"
    & skf21("6","3","6","5","4","4","1","1") = "5"
    & skf21("6","3","6","5","4","4","2","1") = "5"
    & skf21("6","3","6","5","4","4","3","1") = "5"
    & skf21("6","3","6","5","4","4","4","1") = "5"
    & skf21("6","3","6","5","4","4","5","1") = "5"
    & skf21("6","3","6","5","4","4","6","1") = "5"
    & skf21("6","3","6","5","4","4","7","1") = "6"
    & skf21("6","3","6","5","4","5","1","1") = "5"
    & skf21("6","3","6","5","4","5","2","1") = "5"
    & skf21("6","3","6","5","4","5","3","1") = "5"
    & skf21("6","3","6","5","4","5","4","1") = "5"
    & skf21("6","3","6","5","4","5","5","1") = "5"
    & skf21("6","3","6","5","4","5","6","1") = "5"
    & skf21("6","3","6","5","4","5","7","1") = "6"
    & skf21("6","3","6","5","4","6","1","1") = "5"
    & skf21("6","3","6","5","4","6","2","1") = "5"
    & skf21("6","3","6","5","4","6","3","1") = "5"
    & skf21("6","3","6","5","4","6","4","1") = "5"
    & skf21("6","3","6","5","4","6","5","1") = "5"
    & skf21("6","3","6","5","4","6","6","1") = "5"
    & skf21("6","3","6","5","4","6","7","1") = "6"
    & skf21("6","3","6","5","4","7","1","1") = "6"
    & skf21("6","3","6","5","4","7","2","1") = "6"
    & skf21("6","3","6","5","4","7","3","1") = "6"
    & skf21("6","3","6","5","4","7","4","1") = "6"
    & skf21("6","3","6","5","4","7","5","1") = "6"
    & skf21("6","3","6","5","4","7","6","1") = "6"
    & skf21("6","3","6","5","4","7","7","1") = "6"
    & skf21("6","3","6","5","5","1","1","1") = "5"
    & skf21("6","3","6","5","5","1","2","1") = "5"
    & skf21("6","3","6","5","5","1","3","1") = "5"
    & skf21("6","3","6","5","5","1","4","1") = "5"
    & skf21("6","3","6","5","5","1","5","1") = "5"
    & skf21("6","3","6","5","5","1","6","1") = "5"
    & skf21("6","3","6","5","5","1","7","1") = "6"
    & skf21("6","3","6","5","5","2","1","1") = "5"
    & skf21("6","3","6","5","5","2","2","1") = "5"
    & skf21("6","3","6","5","5","2","3","1") = "5"
    & skf21("6","3","6","5","5","2","4","1") = "5"
    & skf21("6","3","6","5","5","2","5","1") = "5"
    & skf21("6","3","6","5","5","2","6","1") = "5"
    & skf21("6","3","6","5","5","2","7","1") = "6"
    & skf21("6","3","6","5","5","3","1","1") = "5"
    & skf21("6","3","6","5","5","3","2","1") = "5"
    & skf21("6","3","6","5","5","3","3","1") = "5"
    & skf21("6","3","6","5","5","3","4","1") = "5"
    & skf21("6","3","6","5","5","3","5","1") = "5"
    & skf21("6","3","6","5","5","3","6","1") = "5"
    & skf21("6","3","6","5","5","3","7","1") = "6"
    & skf21("6","3","6","5","5","4","1","1") = "5"
    & skf21("6","3","6","5","5","4","2","1") = "5"
    & skf21("6","3","6","5","5","4","3","1") = "5"
    & skf21("6","3","6","5","5","4","4","1") = "5"
    & skf21("6","3","6","5","5","4","5","1") = "5"
    & skf21("6","3","6","5","5","4","6","1") = "5"
    & skf21("6","3","6","5","5","4","7","1") = "6"
    & skf21("6","3","6","5","5","5","1","1") = "5"
    & skf21("6","3","6","5","5","5","2","1") = "5"
    & skf21("6","3","6","5","5","5","3","1") = "5"
    & skf21("6","3","6","5","5","5","4","1") = "5"
    & skf21("6","3","6","5","5","5","5","1") = "5"
    & skf21("6","3","6","5","5","5","6","1") = "5"
    & skf21("6","3","6","5","5","5","7","1") = "6"
    & skf21("6","3","6","5","5","6","1","1") = "5"
    & skf21("6","3","6","5","5","6","2","1") = "5"
    & skf21("6","3","6","5","5","6","3","1") = "5"
    & skf21("6","3","6","5","5","6","4","1") = "5"
    & skf21("6","3","6","5","5","6","5","1") = "5"
    & skf21("6","3","6","5","5","6","6","1") = "5"
    & skf21("6","3","6","5","5","6","7","1") = "6"
    & skf21("6","3","6","5","5","7","1","1") = "6"
    & skf21("6","3","6","5","5","7","2","1") = "6"
    & skf21("6","3","6","5","5","7","3","1") = "6"
    & skf21("6","3","6","5","5","7","4","1") = "6"
    & skf21("6","3","6","5","5","7","5","1") = "6"
    & skf21("6","3","6","5","5","7","6","1") = "6"
    & skf21("6","3","6","5","5","7","7","1") = "6"
    & skf21("6","3","6","5","6","1","1","1") = "5"
    & skf21("6","3","6","5","6","1","2","1") = "5"
    & skf21("6","3","6","5","6","1","3","1") = "5"
    & skf21("6","3","6","5","6","1","4","1") = "5"
    & skf21("6","3","6","5","6","1","5","1") = "5"
    & skf21("6","3","6","5","6","1","6","1") = "5"
    & skf21("6","3","6","5","6","1","7","1") = "6"
    & skf21("6","3","6","5","6","2","1","1") = "5"
    & skf21("6","3","6","5","6","2","2","1") = "5"
    & skf21("6","3","6","5","6","2","3","1") = "5"
    & skf21("6","3","6","5","6","2","4","1") = "5"
    & skf21("6","3","6","5","6","2","5","1") = "5"
    & skf21("6","3","6","5","6","2","6","1") = "5"
    & skf21("6","3","6","5","6","2","7","1") = "6"
    & skf21("6","3","6","5","6","3","1","1") = "5"
    & skf21("6","3","6","5","6","3","2","1") = "5"
    & skf21("6","3","6","5","6","3","3","1") = "5"
    & skf21("6","3","6","5","6","3","4","1") = "5"
    & skf21("6","3","6","5","6","3","5","1") = "5"
    & skf21("6","3","6","5","6","3","6","1") = "5"
    & skf21("6","3","6","5","6","3","7","1") = "6"
    & skf21("6","3","6","5","6","4","1","1") = "5"
    & skf21("6","3","6","5","6","4","2","1") = "5"
    & skf21("6","3","6","5","6","4","3","1") = "5"
    & skf21("6","3","6","5","6","4","4","1") = "5"
    & skf21("6","3","6","5","6","4","5","1") = "5"
    & skf21("6","3","6","5","6","4","6","1") = "5"
    & skf21("6","3","6","5","6","4","7","1") = "6"
    & skf21("6","3","6","5","6","5","1","1") = "5"
    & skf21("6","3","6","5","6","5","2","1") = "5"
    & skf21("6","3","6","5","6","5","3","1") = "5"
    & skf21("6","3","6","5","6","5","4","1") = "5"
    & skf21("6","3","6","5","6","5","5","1") = "5"
    & skf21("6","3","6","5","6","5","6","1") = "5"
    & skf21("6","3","6","5","6","5","7","1") = "6"
    & skf21("6","3","6","5","6","6","1","1") = "5"
    & skf21("6","3","6","5","6","6","2","1") = "5"
    & skf21("6","3","6","5","6","6","3","1") = "5"
    & skf21("6","3","6","5","6","6","4","1") = "5"
    & skf21("6","3","6","5","6","6","5","1") = "5"
    & skf21("6","3","6","5","6","6","6","1") = "5"
    & skf21("6","3","6","5","6","6","7","1") = "6"
    & skf21("6","3","6","5","6","7","1","1") = "6"
    & skf21("6","3","6","5","6","7","2","1") = "6"
    & skf21("6","3","6","5","6","7","3","1") = "6"
    & skf21("6","3","6","5","6","7","4","1") = "6"
    & skf21("6","3","6","5","6","7","5","1") = "6"
    & skf21("6","3","6","5","6","7","6","1") = "6"
    & skf21("6","3","6","5","6","7","7","1") = "6"
    & skf21("6","3","6","5","7","1","1","1") = "6"
    & skf21("6","3","6","5","7","1","2","1") = "6"
    & skf21("6","3","6","5","7","1","3","1") = "6"
    & skf21("6","3","6","5","7","1","4","1") = "6"
    & skf21("6","3","6","5","7","1","5","1") = "6"
    & skf21("6","3","6","5","7","1","6","1") = "6"
    & skf21("6","3","6","5","7","1","7","1") = "6"
    & skf21("6","3","6","5","7","2","1","1") = "6"
    & skf21("6","3","6","5","7","2","2","1") = "6"
    & skf21("6","3","6","5","7","2","3","1") = "6"
    & skf21("6","3","6","5","7","2","4","1") = "6"
    & skf21("6","3","6","5","7","2","5","1") = "6"
    & skf21("6","3","6","5","7","2","6","1") = "6"
    & skf21("6","3","6","5","7","2","7","1") = "6"
    & skf21("6","3","6","5","7","3","1","1") = "6"
    & skf21("6","3","6","5","7","3","2","1") = "6"
    & skf21("6","3","6","5","7","3","3","1") = "6"
    & skf21("6","3","6","5","7","3","4","1") = "6"
    & skf21("6","3","6","5","7","3","5","1") = "6"
    & skf21("6","3","6","5","7","3","6","1") = "6"
    & skf21("6","3","6","5","7","3","7","1") = "6"
    & skf21("6","3","6","5","7","4","1","1") = "6"
    & skf21("6","3","6","5","7","4","2","1") = "6"
    & skf21("6","3","6","5","7","4","3","1") = "6"
    & skf21("6","3","6","5","7","4","4","1") = "6"
    & skf21("6","3","6","5","7","4","5","1") = "6"
    & skf21("6","3","6","5","7","4","6","1") = "6"
    & skf21("6","3","6","5","7","4","7","1") = "6"
    & skf21("6","3","6","5","7","5","1","1") = "6"
    & skf21("6","3","6","5","7","5","2","1") = "6"
    & skf21("6","3","6","5","7","5","3","1") = "6"
    & skf21("6","3","6","5","7","5","4","1") = "6"
    & skf21("6","3","6","5","7","5","5","1") = "6"
    & skf21("6","3","6","5","7","5","6","1") = "6"
    & skf21("6","3","6","5","7","5","7","1") = "6"
    & skf21("6","3","6","5","7","6","1","1") = "6"
    & skf21("6","3","6","5","7","6","2","1") = "6"
    & skf21("6","3","6","5","7","6","3","1") = "6"
    & skf21("6","3","6","5","7","6","4","1") = "6"
    & skf21("6","3","6","5","7","6","5","1") = "6"
    & skf21("6","3","6","5","7","6","6","1") = "6"
    & skf21("6","3","6","5","7","6","7","1") = "6"
    & skf21("6","3","6","5","7","7","1","1") = "6"
    & skf21("6","3","6","5","7","7","2","1") = "6"
    & skf21("6","3","6","5","7","7","3","1") = "6"
    & skf21("6","3","6","5","7","7","4","1") = "6"
    & skf21("6","3","6","5","7","7","5","1") = "6"
    & skf21("6","3","6","5","7","7","6","1") = "6"
    & skf21("6","3","6","5","7","7","7","1") = "6"
    & skf21("6","3","6","6","1","1","1","1") = "5"
    & skf21("6","3","6","6","1","1","2","1") = "5"
    & skf21("6","3","6","6","1","1","3","1") = "5"
    & skf21("6","3","6","6","1","1","4","1") = "5"
    & skf21("6","3","6","6","1","1","5","1") = "5"
    & skf21("6","3","6","6","1","1","6","1") = "5"
    & skf21("6","3","6","6","1","1","7","1") = "6"
    & skf21("6","3","6","6","1","2","1","1") = "5"
    & skf21("6","3","6","6","1","2","2","1") = "5"
    & skf21("6","3","6","6","1","2","3","1") = "5"
    & skf21("6","3","6","6","1","2","4","1") = "5"
    & skf21("6","3","6","6","1","2","5","1") = "5"
    & skf21("6","3","6","6","1","2","6","1") = "5"
    & skf21("6","3","6","6","1","2","7","1") = "6"
    & skf21("6","3","6","6","1","3","1","1") = "5"
    & skf21("6","3","6","6","1","3","2","1") = "5"
    & skf21("6","3","6","6","1","3","3","1") = "5"
    & skf21("6","3","6","6","1","3","4","1") = "5"
    & skf21("6","3","6","6","1","3","5","1") = "5"
    & skf21("6","3","6","6","1","3","6","1") = "5"
    & skf21("6","3","6","6","1","3","7","1") = "6"
    & skf21("6","3","6","6","1","4","1","1") = "5"
    & skf21("6","3","6","6","1","4","2","1") = "5"
    & skf21("6","3","6","6","1","4","3","1") = "5"
    & skf21("6","3","6","6","1","4","4","1") = "5"
    & skf21("6","3","6","6","1","4","5","1") = "5"
    & skf21("6","3","6","6","1","4","6","1") = "5"
    & skf21("6","3","6","6","1","4","7","1") = "6"
    & skf21("6","3","6","6","1","5","1","1") = "5"
    & skf21("6","3","6","6","1","5","2","1") = "5"
    & skf21("6","3","6","6","1","5","3","1") = "5"
    & skf21("6","3","6","6","1","5","4","1") = "5"
    & skf21("6","3","6","6","1","5","5","1") = "5"
    & skf21("6","3","6","6","1","5","6","1") = "5"
    & skf21("6","3","6","6","1","5","7","1") = "6"
    & skf21("6","3","6","6","1","6","1","1") = "5"
    & skf21("6","3","6","6","1","6","2","1") = "5"
    & skf21("6","3","6","6","1","6","3","1") = "5"
    & skf21("6","3","6","6","1","6","4","1") = "5"
    & skf21("6","3","6","6","1","6","5","1") = "5"
    & skf21("6","3","6","6","1","6","6","1") = "5"
    & skf21("6","3","6","6","1","6","7","1") = "6"
    & skf21("6","3","6","6","1","7","1","1") = "6"
    & skf21("6","3","6","6","1","7","2","1") = "6"
    & skf21("6","3","6","6","1","7","3","1") = "6"
    & skf21("6","3","6","6","1","7","4","1") = "6"
    & skf21("6","3","6","6","1","7","5","1") = "6"
    & skf21("6","3","6","6","1","7","6","1") = "6"
    & skf21("6","3","6","6","1","7","7","1") = "6"
    & skf21("6","3","6","6","2","1","1","1") = "5"
    & skf21("6","3","6","6","2","1","2","1") = "5"
    & skf21("6","3","6","6","2","1","3","1") = "5"
    & skf21("6","3","6","6","2","1","4","1") = "5"
    & skf21("6","3","6","6","2","1","5","1") = "5"
    & skf21("6","3","6","6","2","1","6","1") = "5"
    & skf21("6","3","6","6","2","1","7","1") = "6"
    & skf21("6","3","6","6","2","2","1","1") = "5"
    & skf21("6","3","6","6","2","2","2","1") = "5"
    & skf21("6","3","6","6","2","2","3","1") = "5"
    & skf21("6","3","6","6","2","2","4","1") = "5"
    & skf21("6","3","6","6","2","2","5","1") = "5"
    & skf21("6","3","6","6","2","2","6","1") = "5"
    & skf21("6","3","6","6","2","2","7","1") = "6"
    & skf21("6","3","6","6","2","3","1","1") = "5"
    & skf21("6","3","6","6","2","3","2","1") = "5"
    & skf21("6","3","6","6","2","3","3","1") = "5"
    & skf21("6","3","6","6","2","3","4","1") = "5"
    & skf21("6","3","6","6","2","3","5","1") = "5"
    & skf21("6","3","6","6","2","3","6","1") = "5"
    & skf21("6","3","6","6","2","3","7","1") = "6"
    & skf21("6","3","6","6","2","4","1","1") = "5"
    & skf21("6","3","6","6","2","4","2","1") = "5"
    & skf21("6","3","6","6","2","4","3","1") = "5"
    & skf21("6","3","6","6","2","4","4","1") = "5"
    & skf21("6","3","6","6","2","4","5","1") = "5"
    & skf21("6","3","6","6","2","4","6","1") = "5"
    & skf21("6","3","6","6","2","4","7","1") = "6"
    & skf21("6","3","6","6","2","5","1","1") = "5"
    & skf21("6","3","6","6","2","5","2","1") = "5"
    & skf21("6","3","6","6","2","5","3","1") = "5"
    & skf21("6","3","6","6","2","5","4","1") = "5"
    & skf21("6","3","6","6","2","5","5","1") = "5"
    & skf21("6","3","6","6","2","5","6","1") = "5"
    & skf21("6","3","6","6","2","5","7","1") = "6"
    & skf21("6","3","6","6","2","6","1","1") = "5"
    & skf21("6","3","6","6","2","6","2","1") = "5"
    & skf21("6","3","6","6","2","6","3","1") = "5"
    & skf21("6","3","6","6","2","6","4","1") = "5"
    & skf21("6","3","6","6","2","6","5","1") = "5"
    & skf21("6","3","6","6","2","6","6","1") = "5"
    & skf21("6","3","6","6","2","6","7","1") = "6"
    & skf21("6","3","6","6","2","7","1","1") = "6"
    & skf21("6","3","6","6","2","7","2","1") = "6"
    & skf21("6","3","6","6","2","7","3","1") = "6"
    & skf21("6","3","6","6","2","7","4","1") = "6"
    & skf21("6","3","6","6","2","7","5","1") = "6"
    & skf21("6","3","6","6","2","7","6","1") = "6"
    & skf21("6","3","6","6","2","7","7","1") = "6"
    & skf21("6","3","6","6","3","1","1","1") = "5"
    & skf21("6","3","6","6","3","1","2","1") = "5"
    & skf21("6","3","6","6","3","1","3","1") = "5"
    & skf21("6","3","6","6","3","1","4","1") = "5"
    & skf21("6","3","6","6","3","1","5","1") = "5"
    & skf21("6","3","6","6","3","1","6","1") = "5"
    & skf21("6","3","6","6","3","1","7","1") = "6"
    & skf21("6","3","6","6","3","2","1","1") = "5"
    & skf21("6","3","6","6","3","2","2","1") = "5"
    & skf21("6","3","6","6","3","2","3","1") = "5"
    & skf21("6","3","6","6","3","2","4","1") = "5"
    & skf21("6","3","6","6","3","2","5","1") = "5"
    & skf21("6","3","6","6","3","2","6","1") = "5"
    & skf21("6","3","6","6","3","2","7","1") = "6"
    & skf21("6","3","6","6","3","3","1","1") = "5"
    & skf21("6","3","6","6","3","3","2","1") = "5"
    & skf21("6","3","6","6","3","3","3","1") = "5"
    & skf21("6","3","6","6","3","3","4","1") = "5"
    & skf21("6","3","6","6","3","3","5","1") = "5"
    & skf21("6","3","6","6","3","3","6","1") = "5"
    & skf21("6","3","6","6","3","3","7","1") = "6"
    & skf21("6","3","6","6","3","4","1","1") = "5"
    & skf21("6","3","6","6","3","4","2","1") = "5"
    & skf21("6","3","6","6","3","4","3","1") = "5"
    & skf21("6","3","6","6","3","4","4","1") = "5"
    & skf21("6","3","6","6","3","4","5","1") = "5"
    & skf21("6","3","6","6","3","4","6","1") = "5"
    & skf21("6","3","6","6","3","4","7","1") = "6"
    & skf21("6","3","6","6","3","5","1","1") = "5"
    & skf21("6","3","6","6","3","5","2","1") = "5"
    & skf21("6","3","6","6","3","5","3","1") = "5"
    & skf21("6","3","6","6","3","5","4","1") = "5"
    & skf21("6","3","6","6","3","5","5","1") = "5"
    & skf21("6","3","6","6","3","5","6","1") = "5"
    & skf21("6","3","6","6","3","5","7","1") = "6"
    & skf21("6","3","6","6","3","6","1","1") = "5"
    & skf21("6","3","6","6","3","6","2","1") = "5"
    & skf21("6","3","6","6","3","6","3","1") = "5"
    & skf21("6","3","6","6","3","6","4","1") = "5"
    & skf21("6","3","6","6","3","6","5","1") = "5"
    & skf21("6","3","6","6","3","6","6","1") = "5"
    & skf21("6","3","6","6","3","6","7","1") = "6"
    & skf21("6","3","6","6","3","7","1","1") = "6"
    & skf21("6","3","6","6","3","7","2","1") = "6"
    & skf21("6","3","6","6","3","7","3","1") = "6"
    & skf21("6","3","6","6","3","7","4","1") = "6"
    & skf21("6","3","6","6","3","7","5","1") = "6"
    & skf21("6","3","6","6","3","7","6","1") = "6"
    & skf21("6","3","6","6","3","7","7","1") = "6"
    & skf21("6","3","6","6","4","1","1","1") = "5"
    & skf21("6","3","6","6","4","1","2","1") = "5"
    & skf21("6","3","6","6","4","1","3","1") = "5"
    & skf21("6","3","6","6","4","1","4","1") = "5"
    & skf21("6","3","6","6","4","1","5","1") = "5"
    & skf21("6","3","6","6","4","1","6","1") = "5"
    & skf21("6","3","6","6","4","1","7","1") = "6"
    & skf21("6","3","6","6","4","2","1","1") = "5"
    & skf21("6","3","6","6","4","2","2","1") = "5"
    & skf21("6","3","6","6","4","2","3","1") = "5"
    & skf21("6","3","6","6","4","2","4","1") = "5"
    & skf21("6","3","6","6","4","2","5","1") = "5"
    & skf21("6","3","6","6","4","2","6","1") = "5"
    & skf21("6","3","6","6","4","2","7","1") = "6"
    & skf21("6","3","6","6","4","3","1","1") = "5"
    & skf21("6","3","6","6","4","3","2","1") = "5"
    & skf21("6","3","6","6","4","3","3","1") = "5"
    & skf21("6","3","6","6","4","3","4","1") = "5"
    & skf21("6","3","6","6","4","3","5","1") = "5"
    & skf21("6","3","6","6","4","3","6","1") = "5"
    & skf21("6","3","6","6","4","3","7","1") = "6"
    & skf21("6","3","6","6","4","4","1","1") = "5"
    & skf21("6","3","6","6","4","4","2","1") = "5"
    & skf21("6","3","6","6","4","4","3","1") = "5"
    & skf21("6","3","6","6","4","4","4","1") = "5"
    & skf21("6","3","6","6","4","4","5","1") = "5"
    & skf21("6","3","6","6","4","4","6","1") = "5"
    & skf21("6","3","6","6","4","4","7","1") = "6"
    & skf21("6","3","6","6","4","5","1","1") = "5"
    & skf21("6","3","6","6","4","5","2","1") = "5"
    & skf21("6","3","6","6","4","5","3","1") = "5"
    & skf21("6","3","6","6","4","5","4","1") = "5"
    & skf21("6","3","6","6","4","5","5","1") = "5"
    & skf21("6","3","6","6","4","5","6","1") = "5"
    & skf21("6","3","6","6","4","5","7","1") = "6"
    & skf21("6","3","6","6","4","6","1","1") = "5"
    & skf21("6","3","6","6","4","6","2","1") = "5"
    & skf21("6","3","6","6","4","6","3","1") = "5"
    & skf21("6","3","6","6","4","6","4","1") = "5"
    & skf21("6","3","6","6","4","6","5","1") = "5"
    & skf21("6","3","6","6","4","6","6","1") = "5"
    & skf21("6","3","6","6","4","6","7","1") = "6"
    & skf21("6","3","6","6","4","7","1","1") = "6"
    & skf21("6","3","6","6","4","7","2","1") = "6"
    & skf21("6","3","6","6","4","7","3","1") = "6"
    & skf21("6","3","6","6","4","7","4","1") = "6"
    & skf21("6","3","6","6","4","7","5","1") = "6"
    & skf21("6","3","6","6","4","7","6","1") = "6"
    & skf21("6","3","6","6","4","7","7","1") = "6"
    & skf21("6","3","6","6","5","1","1","1") = "5"
    & skf21("6","3","6","6","5","1","2","1") = "5"
    & skf21("6","3","6","6","5","1","3","1") = "5"
    & skf21("6","3","6","6","5","1","4","1") = "5"
    & skf21("6","3","6","6","5","1","5","1") = "5"
    & skf21("6","3","6","6","5","1","6","1") = "5"
    & skf21("6","3","6","6","5","1","7","1") = "6"
    & skf21("6","3","6","6","5","2","1","1") = "5"
    & skf21("6","3","6","6","5","2","2","1") = "5"
    & skf21("6","3","6","6","5","2","3","1") = "5"
    & skf21("6","3","6","6","5","2","4","1") = "5"
    & skf21("6","3","6","6","5","2","5","1") = "5"
    & skf21("6","3","6","6","5","2","6","1") = "5"
    & skf21("6","3","6","6","5","2","7","1") = "6"
    & skf21("6","3","6","6","5","3","1","1") = "5"
    & skf21("6","3","6","6","5","3","2","1") = "5"
    & skf21("6","3","6","6","5","3","3","1") = "5"
    & skf21("6","3","6","6","5","3","4","1") = "5"
    & skf21("6","3","6","6","5","3","5","1") = "5"
    & skf21("6","3","6","6","5","3","6","1") = "5"
    & skf21("6","3","6","6","5","3","7","1") = "6"
    & skf21("6","3","6","6","5","4","1","1") = "5"
    & skf21("6","3","6","6","5","4","2","1") = "5"
    & skf21("6","3","6","6","5","4","3","1") = "5"
    & skf21("6","3","6","6","5","4","4","1") = "5"
    & skf21("6","3","6","6","5","4","5","1") = "5"
    & skf21("6","3","6","6","5","4","6","1") = "5"
    & skf21("6","3","6","6","5","4","7","1") = "6"
    & skf21("6","3","6","6","5","5","1","1") = "5"
    & skf21("6","3","6","6","5","5","2","1") = "5"
    & skf21("6","3","6","6","5","5","3","1") = "5"
    & skf21("6","3","6","6","5","5","4","1") = "5"
    & skf21("6","3","6","6","5","5","5","1") = "5"
    & skf21("6","3","6","6","5","5","6","1") = "5"
    & skf21("6","3","6","6","5","5","7","1") = "6"
    & skf21("6","3","6","6","5","6","1","1") = "5"
    & skf21("6","3","6","6","5","6","2","1") = "5"
    & skf21("6","3","6","6","5","6","3","1") = "5"
    & skf21("6","3","6","6","5","6","4","1") = "5"
    & skf21("6","3","6","6","5","6","5","1") = "5"
    & skf21("6","3","6","6","5","6","6","1") = "5"
    & skf21("6","3","6","6","5","6","7","1") = "6"
    & skf21("6","3","6","6","5","7","1","1") = "6"
    & skf21("6","3","6","6","5","7","2","1") = "6"
    & skf21("6","3","6","6","5","7","3","1") = "6"
    & skf21("6","3","6","6","5","7","4","1") = "6"
    & skf21("6","3","6","6","5","7","5","1") = "6"
    & skf21("6","3","6","6","5","7","6","1") = "6"
    & skf21("6","3","6","6","5","7","7","1") = "6"
    & skf21("6","3","6","6","6","1","1","1") = "5"
    & skf21("6","3","6","6","6","1","2","1") = "5"
    & skf21("6","3","6","6","6","1","3","1") = "5"
    & skf21("6","3","6","6","6","1","4","1") = "5"
    & skf21("6","3","6","6","6","1","5","1") = "5"
    & skf21("6","3","6","6","6","1","6","1") = "5"
    & skf21("6","3","6","6","6","1","7","1") = "6"
    & skf21("6","3","6","6","6","2","1","1") = "5"
    & skf21("6","3","6","6","6","2","2","1") = "5"
    & skf21("6","3","6","6","6","2","3","1") = "5"
    & skf21("6","3","6","6","6","2","4","1") = "5"
    & skf21("6","3","6","6","6","2","5","1") = "5"
    & skf21("6","3","6","6","6","2","6","1") = "5"
    & skf21("6","3","6","6","6","2","7","1") = "6"
    & skf21("6","3","6","6","6","3","1","1") = "5"
    & skf21("6","3","6","6","6","3","2","1") = "5"
    & skf21("6","3","6","6","6","3","3","1") = "5"
    & skf21("6","3","6","6","6","3","4","1") = "5"
    & skf21("6","3","6","6","6","3","5","1") = "5"
    & skf21("6","3","6","6","6","3","6","1") = "5"
    & skf21("6","3","6","6","6","3","7","1") = "6"
    & skf21("6","3","6","6","6","4","1","1") = "5"
    & skf21("6","3","6","6","6","4","2","1") = "5"
    & skf21("6","3","6","6","6","4","3","1") = "5"
    & skf21("6","3","6","6","6","4","4","1") = "5"
    & skf21("6","3","6","6","6","4","5","1") = "5"
    & skf21("6","3","6","6","6","4","6","1") = "5"
    & skf21("6","3","6","6","6","4","7","1") = "6"
    & skf21("6","3","6","6","6","5","1","1") = "5"
    & skf21("6","3","6","6","6","5","2","1") = "5"
    & skf21("6","3","6","6","6","5","3","1") = "5"
    & skf21("6","3","6","6","6","5","4","1") = "5"
    & skf21("6","3","6","6","6","5","5","1") = "5"
    & skf21("6","3","6","6","6","5","6","1") = "5"
    & skf21("6","3","6","6","6","5","7","1") = "6"
    & skf21("6","3","6","6","6","6","1","1") = "5"
    & skf21("6","3","6","6","6","6","2","1") = "5"
    & skf21("6","3","6","6","6","6","3","1") = "5"
    & skf21("6","3","6","6","6","6","4","1") = "5"
    & skf21("6","3","6","6","6","6","5","1") = "5"
    & skf21("6","3","6","6","6","6","6","1") = "5"
    & skf21("6","3","6","6","6","6","7","1") = "6"
    & skf21("6","3","6","6","6","7","1","1") = "6"
    & skf21("6","3","6","6","6","7","2","1") = "6"
    & skf21("6","3","6","6","6","7","3","1") = "6"
    & skf21("6","3","6","6","6","7","4","1") = "6"
    & skf21("6","3","6","6","6","7","5","1") = "6"
    & skf21("6","3","6","6","6","7","6","1") = "6"
    & skf21("6","3","6","6","6","7","7","1") = "6"
    & skf21("6","3","6","6","7","1","1","1") = "6"
    & skf21("6","3","6","6","7","1","2","1") = "6"
    & skf21("6","3","6","6","7","1","3","1") = "6"
    & skf21("6","3","6","6","7","1","4","1") = "6"
    & skf21("6","3","6","6","7","1","5","1") = "6"
    & skf21("6","3","6","6","7","1","6","1") = "6"
    & skf21("6","3","6","6","7","1","7","1") = "6"
    & skf21("6","3","6","6","7","2","1","1") = "6"
    & skf21("6","3","6","6","7","2","2","1") = "6"
    & skf21("6","3","6","6","7","2","3","1") = "6"
    & skf21("6","3","6","6","7","2","4","1") = "6"
    & skf21("6","3","6","6","7","2","5","1") = "6"
    & skf21("6","3","6","6","7","2","6","1") = "6"
    & skf21("6","3","6","6","7","2","7","1") = "6"
    & skf21("6","3","6","6","7","3","1","1") = "6"
    & skf21("6","3","6","6","7","3","2","1") = "6"
    & skf21("6","3","6","6","7","3","3","1") = "6"
    & skf21("6","3","6","6","7","3","4","1") = "6"
    & skf21("6","3","6","6","7","3","5","1") = "6"
    & skf21("6","3","6","6","7","3","6","1") = "6"
    & skf21("6","3","6","6","7","3","7","1") = "6"
    & skf21("6","3","6","6","7","4","1","1") = "6"
    & skf21("6","3","6","6","7","4","2","1") = "6"
    & skf21("6","3","6","6","7","4","3","1") = "6"
    & skf21("6","3","6","6","7","4","4","1") = "6"
    & skf21("6","3","6","6","7","4","5","1") = "6"
    & skf21("6","3","6","6","7","4","6","1") = "6"
    & skf21("6","3","6","6","7","4","7","1") = "6"
    & skf21("6","3","6","6","7","5","1","1") = "6"
    & skf21("6","3","6","6","7","5","2","1") = "6"
    & skf21("6","3","6","6","7","5","3","1") = "6"
    & skf21("6","3","6","6","7","5","4","1") = "6"
    & skf21("6","3","6","6","7","5","5","1") = "6"
    & skf21("6","3","6","6","7","5","6","1") = "6"
    & skf21("6","3","6","6","7","5","7","1") = "6"
    & skf21("6","3","6","6","7","6","1","1") = "6"
    & skf21("6","3","6","6","7","6","2","1") = "6"
    & skf21("6","3","6","6","7","6","3","1") = "6"
    & skf21("6","3","6","6","7","6","4","1") = "6"
    & skf21("6","3","6","6","7","6","5","1") = "6"
    & skf21("6","3","6","6","7","6","6","1") = "6"
    & skf21("6","3","6","6","7","6","7","1") = "6"
    & skf21("6","3","6","6","7","7","1","1") = "6"
    & skf21("6","3","6","6","7","7","2","1") = "6"
    & skf21("6","3","6","6","7","7","3","1") = "6"
    & skf21("6","3","6","6","7","7","4","1") = "6"
    & skf21("6","3","6","6","7","7","5","1") = "6"
    & skf21("6","3","6","6","7","7","6","1") = "6"
    & skf21("6","3","6","6","7","7","7","1") = "6"
    & skf21("6","3","6","7","1","1","1","1") = "6"
    & skf21("6","3","6","7","1","1","2","1") = "6"
    & skf21("6","3","6","7","1","1","3","1") = "6"
    & skf21("6","3","6","7","1","1","4","1") = "6"
    & skf21("6","3","6","7","1","1","5","1") = "6"
    & skf21("6","3","6","7","1","1","6","1") = "6"
    & skf21("6","3","6","7","1","1","7","1") = "6"
    & skf21("6","3","6","7","1","2","1","1") = "6"
    & skf21("6","3","6","7","1","2","2","1") = "6"
    & skf21("6","3","6","7","1","2","3","1") = "6"
    & skf21("6","3","6","7","1","2","4","1") = "6"
    & skf21("6","3","6","7","1","2","5","1") = "6"
    & skf21("6","3","6","7","1","2","6","1") = "6"
    & skf21("6","3","6","7","1","2","7","1") = "6"
    & skf21("6","3","6","7","1","3","1","1") = "6"
    & skf21("6","3","6","7","1","3","2","1") = "6"
    & skf21("6","3","6","7","1","3","3","1") = "6"
    & skf21("6","3","6","7","1","3","4","1") = "6"
    & skf21("6","3","6","7","1","3","5","1") = "6"
    & skf21("6","3","6","7","1","3","6","1") = "6"
    & skf21("6","3","6","7","1","3","7","1") = "6"
    & skf21("6","3","6","7","1","4","1","1") = "6"
    & skf21("6","3","6","7","1","4","2","1") = "6"
    & skf21("6","3","6","7","1","4","3","1") = "6"
    & skf21("6","3","6","7","1","4","4","1") = "6"
    & skf21("6","3","6","7","1","4","5","1") = "6"
    & skf21("6","3","6","7","1","4","6","1") = "6"
    & skf21("6","3","6","7","1","4","7","1") = "6"
    & skf21("6","3","6","7","1","5","1","1") = "6"
    & skf21("6","3","6","7","1","5","2","1") = "6"
    & skf21("6","3","6","7","1","5","3","1") = "6"
    & skf21("6","3","6","7","1","5","4","1") = "6"
    & skf21("6","3","6","7","1","5","5","1") = "6"
    & skf21("6","3","6","7","1","5","6","1") = "6"
    & skf21("6","3","6","7","1","5","7","1") = "6"
    & skf21("6","3","6","7","1","6","1","1") = "6"
    & skf21("6","3","6","7","1","6","2","1") = "6"
    & skf21("6","3","6","7","1","6","3","1") = "6"
    & skf21("6","3","6","7","1","6","4","1") = "6"
    & skf21("6","3","6","7","1","6","5","1") = "6"
    & skf21("6","3","6","7","1","6","6","1") = "6"
    & skf21("6","3","6","7","1","6","7","1") = "6"
    & skf21("6","3","6","7","1","7","1","1") = "6"
    & skf21("6","3","6","7","1","7","2","1") = "6"
    & skf21("6","3","6","7","1","7","3","1") = "6"
    & skf21("6","3","6","7","1","7","4","1") = "6"
    & skf21("6","3","6","7","1","7","5","1") = "6"
    & skf21("6","3","6","7","1","7","6","1") = "6"
    & skf21("6","3","6","7","1","7","7","1") = "6"
    & skf21("6","3","6","7","2","1","1","1") = "6"
    & skf21("6","3","6","7","2","1","2","1") = "6"
    & skf21("6","3","6","7","2","1","3","1") = "6"
    & skf21("6","3","6","7","2","1","4","1") = "6"
    & skf21("6","3","6","7","2","1","5","1") = "6"
    & skf21("6","3","6","7","2","1","6","1") = "6"
    & skf21("6","3","6","7","2","1","7","1") = "6"
    & skf21("6","3","6","7","2","2","1","1") = "6"
    & skf21("6","3","6","7","2","2","2","1") = "6"
    & skf21("6","3","6","7","2","2","3","1") = "6"
    & skf21("6","3","6","7","2","2","4","1") = "6"
    & skf21("6","3","6","7","2","2","5","1") = "6"
    & skf21("6","3","6","7","2","2","6","1") = "6"
    & skf21("6","3","6","7","2","2","7","1") = "6"
    & skf21("6","3","6","7","2","3","1","1") = "6"
    & skf21("6","3","6","7","2","3","2","1") = "6"
    & skf21("6","3","6","7","2","3","3","1") = "6"
    & skf21("6","3","6","7","2","3","4","1") = "6"
    & skf21("6","3","6","7","2","3","5","1") = "6"
    & skf21("6","3","6","7","2","3","6","1") = "6"
    & skf21("6","3","6","7","2","3","7","1") = "6"
    & skf21("6","3","6","7","2","4","1","1") = "6"
    & skf21("6","3","6","7","2","4","2","1") = "6"
    & skf21("6","3","6","7","2","4","3","1") = "6"
    & skf21("6","3","6","7","2","4","4","1") = "6"
    & skf21("6","3","6","7","2","4","5","1") = "6"
    & skf21("6","3","6","7","2","4","6","1") = "6"
    & skf21("6","3","6","7","2","4","7","1") = "6"
    & skf21("6","3","6","7","2","5","1","1") = "6"
    & skf21("6","3","6","7","2","5","2","1") = "6"
    & skf21("6","3","6","7","2","5","3","1") = "6"
    & skf21("6","3","6","7","2","5","4","1") = "6"
    & skf21("6","3","6","7","2","5","5","1") = "6"
    & skf21("6","3","6","7","2","5","6","1") = "6"
    & skf21("6","3","6","7","2","5","7","1") = "6"
    & skf21("6","3","6","7","2","6","1","1") = "6"
    & skf21("6","3","6","7","2","6","2","1") = "6"
    & skf21("6","3","6","7","2","6","3","1") = "6"
    & skf21("6","3","6","7","2","6","4","1") = "6"
    & skf21("6","3","6","7","2","6","5","1") = "6"
    & skf21("6","3","6","7","2","6","6","1") = "6"
    & skf21("6","3","6","7","2","6","7","1") = "6"
    & skf21("6","3","6","7","2","7","1","1") = "6"
    & skf21("6","3","6","7","2","7","2","1") = "6"
    & skf21("6","3","6","7","2","7","3","1") = "6"
    & skf21("6","3","6","7","2","7","4","1") = "6"
    & skf21("6","3","6","7","2","7","5","1") = "6"
    & skf21("6","3","6","7","2","7","6","1") = "6"
    & skf21("6","3","6","7","2","7","7","1") = "6"
    & skf21("6","3","6","7","3","1","1","1") = "6"
    & skf21("6","3","6","7","3","1","2","1") = "6"
    & skf21("6","3","6","7","3","1","3","1") = "6"
    & skf21("6","3","6","7","3","1","4","1") = "6"
    & skf21("6","3","6","7","3","1","5","1") = "6"
    & skf21("6","3","6","7","3","1","6","1") = "6"
    & skf21("6","3","6","7","3","1","7","1") = "6"
    & skf21("6","3","6","7","3","2","1","1") = "6"
    & skf21("6","3","6","7","3","2","2","1") = "6"
    & skf21("6","3","6","7","3","2","3","1") = "6"
    & skf21("6","3","6","7","3","2","4","1") = "6"
    & skf21("6","3","6","7","3","2","5","1") = "6"
    & skf21("6","3","6","7","3","2","6","1") = "6"
    & skf21("6","3","6","7","3","2","7","1") = "6"
    & skf21("6","3","6","7","3","3","1","1") = "6"
    & skf21("6","3","6","7","3","3","2","1") = "6"
    & skf21("6","3","6","7","3","3","3","1") = "6"
    & skf21("6","3","6","7","3","3","4","1") = "6"
    & skf21("6","3","6","7","3","3","5","1") = "6"
    & skf21("6","3","6","7","3","3","6","1") = "6"
    & skf21("6","3","6","7","3","3","7","1") = "6"
    & skf21("6","3","6","7","3","4","1","1") = "6"
    & skf21("6","3","6","7","3","4","2","1") = "6"
    & skf21("6","3","6","7","3","4","3","1") = "6"
    & skf21("6","3","6","7","3","4","4","1") = "6"
    & skf21("6","3","6","7","3","4","5","1") = "6"
    & skf21("6","3","6","7","3","4","6","1") = "6"
    & skf21("6","3","6","7","3","4","7","1") = "6"
    & skf21("6","3","6","7","3","5","1","1") = "6"
    & skf21("6","3","6","7","3","5","2","1") = "6"
    & skf21("6","3","6","7","3","5","3","1") = "6"
    & skf21("6","3","6","7","3","5","4","1") = "6"
    & skf21("6","3","6","7","3","5","5","1") = "6"
    & skf21("6","3","6","7","3","5","6","1") = "6"
    & skf21("6","3","6","7","3","5","7","1") = "6"
    & skf21("6","3","6","7","3","6","1","1") = "6"
    & skf21("6","3","6","7","3","6","2","1") = "6"
    & skf21("6","3","6","7","3","6","3","1") = "6"
    & skf21("6","3","6","7","3","6","4","1") = "6"
    & skf21("6","3","6","7","3","6","5","1") = "6"
    & skf21("6","3","6","7","3","6","6","1") = "6"
    & skf21("6","3","6","7","3","6","7","1") = "6"
    & skf21("6","3","6","7","3","7","1","1") = "6"
    & skf21("6","3","6","7","3","7","2","1") = "6"
    & skf21("6","3","6","7","3","7","3","1") = "6"
    & skf21("6","3","6","7","3","7","4","1") = "6"
    & skf21("6","3","6","7","3","7","5","1") = "6"
    & skf21("6","3","6","7","3","7","6","1") = "6"
    & skf21("6","3","6","7","3","7","7","1") = "6"
    & skf21("6","3","6","7","4","1","1","1") = "6"
    & skf21("6","3","6","7","4","1","2","1") = "6"
    & skf21("6","3","6","7","4","1","3","1") = "6"
    & skf21("6","3","6","7","4","1","4","1") = "6"
    & skf21("6","3","6","7","4","1","5","1") = "6"
    & skf21("6","3","6","7","4","1","6","1") = "6"
    & skf21("6","3","6","7","4","1","7","1") = "6"
    & skf21("6","3","6","7","4","2","1","1") = "6"
    & skf21("6","3","6","7","4","2","2","1") = "6"
    & skf21("6","3","6","7","4","2","3","1") = "6"
    & skf21("6","3","6","7","4","2","4","1") = "6"
    & skf21("6","3","6","7","4","2","5","1") = "6"
    & skf21("6","3","6","7","4","2","6","1") = "6"
    & skf21("6","3","6","7","4","2","7","1") = "6"
    & skf21("6","3","6","7","4","3","1","1") = "6"
    & skf21("6","3","6","7","4","3","2","1") = "6"
    & skf21("6","3","6","7","4","3","3","1") = "6"
    & skf21("6","3","6","7","4","3","4","1") = "6"
    & skf21("6","3","6","7","4","3","5","1") = "6"
    & skf21("6","3","6","7","4","3","6","1") = "6"
    & skf21("6","3","6","7","4","3","7","1") = "6"
    & skf21("6","3","6","7","4","4","1","1") = "6"
    & skf21("6","3","6","7","4","4","2","1") = "6"
    & skf21("6","3","6","7","4","4","3","1") = "6"
    & skf21("6","3","6","7","4","4","4","1") = "6"
    & skf21("6","3","6","7","4","4","5","1") = "6"
    & skf21("6","3","6","7","4","4","6","1") = "6"
    & skf21("6","3","6","7","4","4","7","1") = "6"
    & skf21("6","3","6","7","4","5","1","1") = "6"
    & skf21("6","3","6","7","4","5","2","1") = "6"
    & skf21("6","3","6","7","4","5","3","1") = "6"
    & skf21("6","3","6","7","4","5","4","1") = "6"
    & skf21("6","3","6","7","4","5","5","1") = "6"
    & skf21("6","3","6","7","4","5","6","1") = "6"
    & skf21("6","3","6","7","4","5","7","1") = "6"
    & skf21("6","3","6","7","4","6","1","1") = "6"
    & skf21("6","3","6","7","4","6","2","1") = "6"
    & skf21("6","3","6","7","4","6","3","1") = "6"
    & skf21("6","3","6","7","4","6","4","1") = "6"
    & skf21("6","3","6","7","4","6","5","1") = "6"
    & skf21("6","3","6","7","4","6","6","1") = "6"
    & skf21("6","3","6","7","4","6","7","1") = "6"
    & skf21("6","3","6","7","4","7","1","1") = "6"
    & skf21("6","3","6","7","4","7","2","1") = "6"
    & skf21("6","3","6","7","4","7","3","1") = "6"
    & skf21("6","3","6","7","4","7","4","1") = "6"
    & skf21("6","3","6","7","4","7","5","1") = "6"
    & skf21("6","3","6","7","4","7","6","1") = "6"
    & skf21("6","3","6","7","4","7","7","1") = "6"
    & skf21("6","3","6","7","5","1","1","1") = "6"
    & skf21("6","3","6","7","5","1","2","1") = "6"
    & skf21("6","3","6","7","5","1","3","1") = "6"
    & skf21("6","3","6","7","5","1","4","1") = "6"
    & skf21("6","3","6","7","5","1","5","1") = "6"
    & skf21("6","3","6","7","5","1","6","1") = "6"
    & skf21("6","3","6","7","5","1","7","1") = "6"
    & skf21("6","3","6","7","5","2","1","1") = "6"
    & skf21("6","3","6","7","5","2","2","1") = "6"
    & skf21("6","3","6","7","5","2","3","1") = "6"
    & skf21("6","3","6","7","5","2","4","1") = "6"
    & skf21("6","3","6","7","5","2","5","1") = "6"
    & skf21("6","3","6","7","5","2","6","1") = "6"
    & skf21("6","3","6","7","5","2","7","1") = "6"
    & skf21("6","3","6","7","5","3","1","1") = "6"
    & skf21("6","3","6","7","5","3","2","1") = "6"
    & skf21("6","3","6","7","5","3","3","1") = "6"
    & skf21("6","3","6","7","5","3","4","1") = "6"
    & skf21("6","3","6","7","5","3","5","1") = "6"
    & skf21("6","3","6","7","5","3","6","1") = "6"
    & skf21("6","3","6","7","5","3","7","1") = "6"
    & skf21("6","3","6","7","5","4","1","1") = "6"
    & skf21("6","3","6","7","5","4","2","1") = "6"
    & skf21("6","3","6","7","5","4","3","1") = "6"
    & skf21("6","3","6","7","5","4","4","1") = "6"
    & skf21("6","3","6","7","5","4","5","1") = "6"
    & skf21("6","3","6","7","5","4","6","1") = "6"
    & skf21("6","3","6","7","5","4","7","1") = "6"
    & skf21("6","3","6","7","5","5","1","1") = "6"
    & skf21("6","3","6","7","5","5","2","1") = "6"
    & skf21("6","3","6","7","5","5","3","1") = "6"
    & skf21("6","3","6","7","5","5","4","1") = "6"
    & skf21("6","3","6","7","5","5","5","1") = "6"
    & skf21("6","3","6","7","5","5","6","1") = "6"
    & skf21("6","3","6","7","5","5","7","1") = "6"
    & skf21("6","3","6","7","5","6","1","1") = "6"
    & skf21("6","3","6","7","5","6","2","1") = "6"
    & skf21("6","3","6","7","5","6","3","1") = "6"
    & skf21("6","3","6","7","5","6","4","1") = "6"
    & skf21("6","3","6","7","5","6","5","1") = "6"
    & skf21("6","3","6","7","5","6","6","1") = "6"
    & skf21("6","3","6","7","5","6","7","1") = "6"
    & skf21("6","3","6","7","5","7","1","1") = "6"
    & skf21("6","3","6","7","5","7","2","1") = "6"
    & skf21("6","3","6","7","5","7","3","1") = "6"
    & skf21("6","3","6","7","5","7","4","1") = "6"
    & skf21("6","3","6","7","5","7","5","1") = "6"
    & skf21("6","3","6","7","5","7","6","1") = "6"
    & skf21("6","3","6","7","5","7","7","1") = "6"
    & skf21("6","3","6","7","6","1","1","1") = "6"
    & skf21("6","3","6","7","6","1","2","1") = "6"
    & skf21("6","3","6","7","6","1","3","1") = "6"
    & skf21("6","3","6","7","6","1","4","1") = "6"
    & skf21("6","3","6","7","6","1","5","1") = "6"
    & skf21("6","3","6","7","6","1","6","1") = "6"
    & skf21("6","3","6","7","6","1","7","1") = "6"
    & skf21("6","3","6","7","6","2","1","1") = "6"
    & skf21("6","3","6","7","6","2","2","1") = "6"
    & skf21("6","3","6","7","6","2","3","1") = "6"
    & skf21("6","3","6","7","6","2","4","1") = "6"
    & skf21("6","3","6","7","6","2","5","1") = "6"
    & skf21("6","3","6","7","6","2","6","1") = "6"
    & skf21("6","3","6","7","6","2","7","1") = "6"
    & skf21("6","3","6","7","6","3","1","1") = "6"
    & skf21("6","3","6","7","6","3","2","1") = "6"
    & skf21("6","3","6","7","6","3","3","1") = "6"
    & skf21("6","3","6","7","6","3","4","1") = "6"
    & skf21("6","3","6","7","6","3","5","1") = "6"
    & skf21("6","3","6","7","6","3","6","1") = "6"
    & skf21("6","3","6","7","6","3","7","1") = "6"
    & skf21("6","3","6","7","6","4","1","1") = "6"
    & skf21("6","3","6","7","6","4","2","1") = "6"
    & skf21("6","3","6","7","6","4","3","1") = "6"
    & skf21("6","3","6","7","6","4","4","1") = "6"
    & skf21("6","3","6","7","6","4","5","1") = "6"
    & skf21("6","3","6","7","6","4","6","1") = "6"
    & skf21("6","3","6","7","6","4","7","1") = "6"
    & skf21("6","3","6","7","6","5","1","1") = "6"
    & skf21("6","3","6","7","6","5","2","1") = "6"
    & skf21("6","3","6","7","6","5","3","1") = "6"
    & skf21("6","3","6","7","6","5","4","1") = "6"
    & skf21("6","3","6","7","6","5","5","1") = "6"
    & skf21("6","3","6","7","6","5","6","1") = "6"
    & skf21("6","3","6","7","6","5","7","1") = "6"
    & skf21("6","3","6","7","6","6","1","1") = "6"
    & skf21("6","3","6","7","6","6","2","1") = "6"
    & skf21("6","3","6","7","6","6","3","1") = "6"
    & skf21("6","3","6","7","6","6","4","1") = "6"
    & skf21("6","3","6","7","6","6","5","1") = "6"
    & skf21("6","3","6","7","6","6","6","1") = "6"
    & skf21("6","3","6","7","6","6","7","1") = "6"
    & skf21("6","3","6","7","6","7","1","1") = "6"
    & skf21("6","3","6","7","6","7","2","1") = "6"
    & skf21("6","3","6","7","6","7","3","1") = "6"
    & skf21("6","3","6","7","6","7","4","1") = "6"
    & skf21("6","3","6","7","6","7","5","1") = "6"
    & skf21("6","3","6","7","6","7","6","1") = "6"
    & skf21("6","3","6","7","6","7","7","1") = "6"
    & skf21("6","3","6","7","7","1","1","1") = "6"
    & skf21("6","3","6","7","7","1","2","1") = "6"
    & skf21("6","3","6","7","7","1","3","1") = "6"
    & skf21("6","3","6","7","7","1","4","1") = "6"
    & skf21("6","3","6","7","7","1","5","1") = "6"
    & skf21("6","3","6","7","7","1","6","1") = "6"
    & skf21("6","3","6","7","7","1","7","1") = "6"
    & skf21("6","3","6","7","7","2","1","1") = "6"
    & skf21("6","3","6","7","7","2","2","1") = "6"
    & skf21("6","3","6","7","7","2","3","1") = "6"
    & skf21("6","3","6","7","7","2","4","1") = "6"
    & skf21("6","3","6","7","7","2","5","1") = "6"
    & skf21("6","3","6","7","7","2","6","1") = "6"
    & skf21("6","3","6","7","7","2","7","1") = "6"
    & skf21("6","3","6","7","7","3","1","1") = "6"
    & skf21("6","3","6","7","7","3","2","1") = "6"
    & skf21("6","3","6","7","7","3","3","1") = "6"
    & skf21("6","3","6","7","7","3","4","1") = "6"
    & skf21("6","3","6","7","7","3","5","1") = "6"
    & skf21("6","3","6","7","7","3","6","1") = "6"
    & skf21("6","3","6","7","7","3","7","1") = "6"
    & skf21("6","3","6","7","7","4","1","1") = "6"
    & skf21("6","3","6","7","7","4","2","1") = "6"
    & skf21("6","3","6","7","7","4","3","1") = "6"
    & skf21("6","3","6","7","7","4","4","1") = "6"
    & skf21("6","3","6","7","7","4","5","1") = "6"
    & skf21("6","3","6","7","7","4","6","1") = "6"
    & skf21("6","3","6","7","7","4","7","1") = "6"
    & skf21("6","3","6","7","7","5","1","1") = "6"
    & skf21("6","3","6","7","7","5","2","1") = "6"
    & skf21("6","3","6","7","7","5","3","1") = "6"
    & skf21("6","3","6","7","7","5","4","1") = "6"
    & skf21("6","3","6","7","7","5","5","1") = "6"
    & skf21("6","3","6","7","7","5","6","1") = "6"
    & skf21("6","3","6","7","7","5","7","1") = "6"
    & skf21("6","3","6","7","7","6","1","1") = "6"
    & skf21("6","3","6","7","7","6","2","1") = "6"
    & skf21("6","3","6","7","7","6","3","1") = "6"
    & skf21("6","3","6","7","7","6","4","1") = "6"
    & skf21("6","3","6","7","7","6","5","1") = "6"
    & skf21("6","3","6","7","7","6","6","1") = "6"
    & skf21("6","3","6","7","7","6","7","1") = "6"
    & skf21("6","3","6","7","7","7","1","1") = "6"
    & skf21("6","3","6","7","7","7","2","1") = "6"
    & skf21("6","3","6","7","7","7","3","1") = "6"
    & skf21("6","3","6","7","7","7","4","1") = "6"
    & skf21("6","3","6","7","7","7","5","1") = "6"
    & skf21("6","3","6","7","7","7","6","1") = "6"
    & skf21("6","3","6","7","7","7","7","1") = "6"
    & skf21("6","3","7","1","1","1","1","1") = "6"
    & skf21("6","3","7","1","1","1","2","1") = "6"
    & skf21("6","3","7","1","1","1","3","1") = "6"
    & skf21("6","3","7","1","1","1","4","1") = "6"
    & skf21("6","3","7","1","1","1","5","1") = "6"
    & skf21("6","3","7","1","1","1","6","1") = "6"
    & skf21("6","3","7","1","1","1","7","1") = "6"
    & skf21("6","3","7","1","1","2","1","1") = "6"
    & skf21("6","3","7","1","1","2","2","1") = "6"
    & skf21("6","3","7","1","1","2","3","1") = "6"
    & skf21("6","3","7","1","1","2","4","1") = "6"
    & skf21("6","3","7","1","1","2","5","1") = "6"
    & skf21("6","3","7","1","1","2","6","1") = "6"
    & skf21("6","3","7","1","1","2","7","1") = "6"
    & skf21("6","3","7","1","1","3","1","1") = "6"
    & skf21("6","3","7","1","1","3","2","1") = "6"
    & skf21("6","3","7","1","1","3","3","1") = "6"
    & skf21("6","3","7","1","1","3","4","1") = "6"
    & skf21("6","3","7","1","1","3","5","1") = "6"
    & skf21("6","3","7","1","1","3","6","1") = "6"
    & skf21("6","3","7","1","1","3","7","1") = "6"
    & skf21("6","3","7","1","1","4","1","1") = "6"
    & skf21("6","3","7","1","1","4","2","1") = "6"
    & skf21("6","3","7","1","1","4","3","1") = "6"
    & skf21("6","3","7","1","1","4","4","1") = "6"
    & skf21("6","3","7","1","1","4","5","1") = "6"
    & skf21("6","3","7","1","1","4","6","1") = "6"
    & skf21("6","3","7","1","1","4","7","1") = "6"
    & skf21("6","3","7","1","1","5","1","1") = "6"
    & skf21("6","3","7","1","1","5","2","1") = "6"
    & skf21("6","3","7","1","1","5","3","1") = "6"
    & skf21("6","3","7","1","1","5","4","1") = "6"
    & skf21("6","3","7","1","1","5","5","1") = "6"
    & skf21("6","3","7","1","1","5","6","1") = "6"
    & skf21("6","3","7","1","1","5","7","1") = "6"
    & skf21("6","3","7","1","1","6","1","1") = "6"
    & skf21("6","3","7","1","1","6","2","1") = "6"
    & skf21("6","3","7","1","1","6","3","1") = "6"
    & skf21("6","3","7","1","1","6","4","1") = "6"
    & skf21("6","3","7","1","1","6","5","1") = "6"
    & skf21("6","3","7","1","1","6","6","1") = "6"
    & skf21("6","3","7","1","1","6","7","1") = "6"
    & skf21("6","3","7","1","1","7","1","1") = "6"
    & skf21("6","3","7","1","1","7","2","1") = "6"
    & skf21("6","3","7","1","1","7","3","1") = "6"
    & skf21("6","3","7","1","1","7","4","1") = "6"
    & skf21("6","3","7","1","1","7","5","1") = "6"
    & skf21("6","3","7","1","1","7","6","1") = "6"
    & skf21("6","3","7","1","1","7","7","1") = "6"
    & skf21("6","3","7","1","2","1","1","1") = "6"
    & skf21("6","3","7","1","2","1","2","1") = "6"
    & skf21("6","3","7","1","2","1","3","1") = "6"
    & skf21("6","3","7","1","2","1","4","1") = "6"
    & skf21("6","3","7","1","2","1","5","1") = "6"
    & skf21("6","3","7","1","2","1","6","1") = "6"
    & skf21("6","3","7","1","2","1","7","1") = "6"
    & skf21("6","3","7","1","2","2","1","1") = "6"
    & skf21("6","3","7","1","2","2","2","1") = "6"
    & skf21("6","3","7","1","2","2","3","1") = "6"
    & skf21("6","3","7","1","2","2","4","1") = "6"
    & skf21("6","3","7","1","2","2","5","1") = "6"
    & skf21("6","3","7","1","2","2","6","1") = "6"
    & skf21("6","3","7","1","2","2","7","1") = "6"
    & skf21("6","3","7","1","2","3","1","1") = "6"
    & skf21("6","3","7","1","2","3","2","1") = "6"
    & skf21("6","3","7","1","2","3","3","1") = "6"
    & skf21("6","3","7","1","2","3","4","1") = "6"
    & skf21("6","3","7","1","2","3","5","1") = "6"
    & skf21("6","3","7","1","2","3","6","1") = "6"
    & skf21("6","3","7","1","2","3","7","1") = "6"
    & skf21("6","3","7","1","2","4","1","1") = "6"
    & skf21("6","3","7","1","2","4","2","1") = "6"
    & skf21("6","3","7","1","2","4","3","1") = "6"
    & skf21("6","3","7","1","2","4","4","1") = "6"
    & skf21("6","3","7","1","2","4","5","1") = "6"
    & skf21("6","3","7","1","2","4","6","1") = "6"
    & skf21("6","3","7","1","2","4","7","1") = "6"
    & skf21("6","3","7","1","2","5","1","1") = "6"
    & skf21("6","3","7","1","2","5","2","1") = "6"
    & skf21("6","3","7","1","2","5","3","1") = "6"
    & skf21("6","3","7","1","2","5","4","1") = "6"
    & skf21("6","3","7","1","2","5","5","1") = "6"
    & skf21("6","3","7","1","2","5","6","1") = "6"
    & skf21("6","3","7","1","2","5","7","1") = "6"
    & skf21("6","3","7","1","2","6","1","1") = "6"
    & skf21("6","3","7","1","2","6","2","1") = "6"
    & skf21("6","3","7","1","2","6","3","1") = "6"
    & skf21("6","3","7","1","2","6","4","1") = "6"
    & skf21("6","3","7","1","2","6","5","1") = "6"
    & skf21("6","3","7","1","2","6","6","1") = "6"
    & skf21("6","3","7","1","2","6","7","1") = "6"
    & skf21("6","3","7","1","2","7","1","1") = "6"
    & skf21("6","3","7","1","2","7","2","1") = "6"
    & skf21("6","3","7","1","2","7","3","1") = "6"
    & skf21("6","3","7","1","2","7","4","1") = "6"
    & skf21("6","3","7","1","2","7","5","1") = "6"
    & skf21("6","3","7","1","2","7","6","1") = "6"
    & skf21("6","3","7","1","2","7","7","1") = "6"
    & skf21("6","3","7","1","3","1","1","1") = "6"
    & skf21("6","3","7","1","3","1","2","1") = "6"
    & skf21("6","3","7","1","3","1","3","1") = "6"
    & skf21("6","3","7","1","3","1","4","1") = "6"
    & skf21("6","3","7","1","3","1","5","1") = "6"
    & skf21("6","3","7","1","3","1","6","1") = "6"
    & skf21("6","3","7","1","3","1","7","1") = "6"
    & skf21("6","3","7","1","3","2","1","1") = "6"
    & skf21("6","3","7","1","3","2","2","1") = "6"
    & skf21("6","3","7","1","3","2","3","1") = "6"
    & skf21("6","3","7","1","3","2","4","1") = "6"
    & skf21("6","3","7","1","3","2","5","1") = "6"
    & skf21("6","3","7","1","3","2","6","1") = "6"
    & skf21("6","3","7","1","3","2","7","1") = "6"
    & skf21("6","3","7","1","3","3","1","1") = "6"
    & skf21("6","3","7","1","3","3","2","1") = "6"
    & skf21("6","3","7","1","3","3","3","1") = "6"
    & skf21("6","3","7","1","3","3","4","1") = "6"
    & skf21("6","3","7","1","3","3","5","1") = "6"
    & skf21("6","3","7","1","3","3","6","1") = "6"
    & skf21("6","3","7","1","3","3","7","1") = "6"
    & skf21("6","3","7","1","3","4","1","1") = "6"
    & skf21("6","3","7","1","3","4","2","1") = "6"
    & skf21("6","3","7","1","3","4","3","1") = "6"
    & skf21("6","3","7","1","3","4","4","1") = "6"
    & skf21("6","3","7","1","3","4","5","1") = "6"
    & skf21("6","3","7","1","3","4","6","1") = "6"
    & skf21("6","3","7","1","3","4","7","1") = "6"
    & skf21("6","3","7","1","3","5","1","1") = "6"
    & skf21("6","3","7","1","3","5","2","1") = "6"
    & skf21("6","3","7","1","3","5","3","1") = "6"
    & skf21("6","3","7","1","3","5","4","1") = "6"
    & skf21("6","3","7","1","3","5","5","1") = "6"
    & skf21("6","3","7","1","3","5","6","1") = "6"
    & skf21("6","3","7","1","3","5","7","1") = "6"
    & skf21("6","3","7","1","3","6","1","1") = "6"
    & skf21("6","3","7","1","3","6","2","1") = "6"
    & skf21("6","3","7","1","3","6","3","1") = "6"
    & skf21("6","3","7","1","3","6","4","1") = "6"
    & skf21("6","3","7","1","3","6","5","1") = "6"
    & skf21("6","3","7","1","3","6","6","1") = "6"
    & skf21("6","3","7","1","3","6","7","1") = "6"
    & skf21("6","3","7","1","3","7","1","1") = "6"
    & skf21("6","3","7","1","3","7","2","1") = "6"
    & skf21("6","3","7","1","3","7","3","1") = "6"
    & skf21("6","3","7","1","3","7","4","1") = "6"
    & skf21("6","3","7","1","3","7","5","1") = "6"
    & skf21("6","3","7","1","3","7","6","1") = "6"
    & skf21("6","3","7","1","3","7","7","1") = "6"
    & skf21("6","3","7","1","4","1","1","1") = "6"
    & skf21("6","3","7","1","4","1","2","1") = "6"
    & skf21("6","3","7","1","4","1","3","1") = "6"
    & skf21("6","3","7","1","4","1","4","1") = "6"
    & skf21("6","3","7","1","4","1","5","1") = "6"
    & skf21("6","3","7","1","4","1","6","1") = "6"
    & skf21("6","3","7","1","4","1","7","1") = "6"
    & skf21("6","3","7","1","4","2","1","1") = "6"
    & skf21("6","3","7","1","4","2","2","1") = "6"
    & skf21("6","3","7","1","4","2","3","1") = "6"
    & skf21("6","3","7","1","4","2","4","1") = "6"
    & skf21("6","3","7","1","4","2","5","1") = "6"
    & skf21("6","3","7","1","4","2","6","1") = "6"
    & skf21("6","3","7","1","4","2","7","1") = "6"
    & skf21("6","3","7","1","4","3","1","1") = "6"
    & skf21("6","3","7","1","4","3","2","1") = "6"
    & skf21("6","3","7","1","4","3","3","1") = "6"
    & skf21("6","3","7","1","4","3","4","1") = "6"
    & skf21("6","3","7","1","4","3","5","1") = "6"
    & skf21("6","3","7","1","4","3","6","1") = "6"
    & skf21("6","3","7","1","4","3","7","1") = "6"
    & skf21("6","3","7","1","4","4","1","1") = "6"
    & skf21("6","3","7","1","4","4","2","1") = "6"
    & skf21("6","3","7","1","4","4","3","1") = "6"
    & skf21("6","3","7","1","4","4","4","1") = "6"
    & skf21("6","3","7","1","4","4","5","1") = "6"
    & skf21("6","3","7","1","4","4","6","1") = "6"
    & skf21("6","3","7","1","4","4","7","1") = "6"
    & skf21("6","3","7","1","4","5","1","1") = "6"
    & skf21("6","3","7","1","4","5","2","1") = "6"
    & skf21("6","3","7","1","4","5","3","1") = "6"
    & skf21("6","3","7","1","4","5","4","1") = "6"
    & skf21("6","3","7","1","4","5","5","1") = "6"
    & skf21("6","3","7","1","4","5","6","1") = "6"
    & skf21("6","3","7","1","4","5","7","1") = "6"
    & skf21("6","3","7","1","4","6","1","1") = "6"
    & skf21("6","3","7","1","4","6","2","1") = "6"
    & skf21("6","3","7","1","4","6","3","1") = "6"
    & skf21("6","3","7","1","4","6","4","1") = "6"
    & skf21("6","3","7","1","4","6","5","1") = "6"
    & skf21("6","3","7","1","4","6","6","1") = "6"
    & skf21("6","3","7","1","4","6","7","1") = "6"
    & skf21("6","3","7","1","4","7","1","1") = "6"
    & skf21("6","3","7","1","4","7","2","1") = "6"
    & skf21("6","3","7","1","4","7","3","1") = "6"
    & skf21("6","3","7","1","4","7","4","1") = "6"
    & skf21("6","3","7","1","4","7","5","1") = "6"
    & skf21("6","3","7","1","4","7","6","1") = "6"
    & skf21("6","3","7","1","4","7","7","1") = "6"
    & skf21("6","3","7","1","5","1","1","1") = "6"
    & skf21("6","3","7","1","5","1","2","1") = "6"
    & skf21("6","3","7","1","5","1","3","1") = "6"
    & skf21("6","3","7","1","5","1","4","1") = "6"
    & skf21("6","3","7","1","5","1","5","1") = "6"
    & skf21("6","3","7","1","5","1","6","1") = "6"
    & skf21("6","3","7","1","5","1","7","1") = "6"
    & skf21("6","3","7","1","5","2","1","1") = "6"
    & skf21("6","3","7","1","5","2","2","1") = "6"
    & skf21("6","3","7","1","5","2","3","1") = "6"
    & skf21("6","3","7","1","5","2","4","1") = "6"
    & skf21("6","3","7","1","5","2","5","1") = "6"
    & skf21("6","3","7","1","5","2","6","1") = "6"
    & skf21("6","3","7","1","5","2","7","1") = "6"
    & skf21("6","3","7","1","5","3","1","1") = "6"
    & skf21("6","3","7","1","5","3","2","1") = "6"
    & skf21("6","3","7","1","5","3","3","1") = "6"
    & skf21("6","3","7","1","5","3","4","1") = "6"
    & skf21("6","3","7","1","5","3","5","1") = "6"
    & skf21("6","3","7","1","5","3","6","1") = "6"
    & skf21("6","3","7","1","5","3","7","1") = "6"
    & skf21("6","3","7","1","5","4","1","1") = "6"
    & skf21("6","3","7","1","5","4","2","1") = "6"
    & skf21("6","3","7","1","5","4","3","1") = "6"
    & skf21("6","3","7","1","5","4","4","1") = "6"
    & skf21("6","3","7","1","5","4","5","1") = "6"
    & skf21("6","3","7","1","5","4","6","1") = "6"
    & skf21("6","3","7","1","5","4","7","1") = "6"
    & skf21("6","3","7","1","5","5","1","1") = "6"
    & skf21("6","3","7","1","5","5","2","1") = "6"
    & skf21("6","3","7","1","5","5","3","1") = "6"
    & skf21("6","3","7","1","5","5","4","1") = "6"
    & skf21("6","3","7","1","5","5","5","1") = "6"
    & skf21("6","3","7","1","5","5","6","1") = "6"
    & skf21("6","3","7","1","5","5","7","1") = "6"
    & skf21("6","3","7","1","5","6","1","1") = "6"
    & skf21("6","3","7","1","5","6","2","1") = "6"
    & skf21("6","3","7","1","5","6","3","1") = "6"
    & skf21("6","3","7","1","5","6","4","1") = "6"
    & skf21("6","3","7","1","5","6","5","1") = "6"
    & skf21("6","3","7","1","5","6","6","1") = "6"
    & skf21("6","3","7","1","5","6","7","1") = "6"
    & skf21("6","3","7","1","5","7","1","1") = "6"
    & skf21("6","3","7","1","5","7","2","1") = "6"
    & skf21("6","3","7","1","5","7","3","1") = "6"
    & skf21("6","3","7","1","5","7","4","1") = "6"
    & skf21("6","3","7","1","5","7","5","1") = "6"
    & skf21("6","3","7","1","5","7","6","1") = "6"
    & skf21("6","3","7","1","5","7","7","1") = "6"
    & skf21("6","3","7","1","6","1","1","1") = "6"
    & skf21("6","3","7","1","6","1","2","1") = "6"
    & skf21("6","3","7","1","6","1","3","1") = "6"
    & skf21("6","3","7","1","6","1","4","1") = "6"
    & skf21("6","3","7","1","6","1","5","1") = "6"
    & skf21("6","3","7","1","6","1","6","1") = "6"
    & skf21("6","3","7","1","6","1","7","1") = "6"
    & skf21("6","3","7","1","6","2","1","1") = "6"
    & skf21("6","3","7","1","6","2","2","1") = "6"
    & skf21("6","3","7","1","6","2","3","1") = "6"
    & skf21("6","3","7","1","6","2","4","1") = "6"
    & skf21("6","3","7","1","6","2","5","1") = "6"
    & skf21("6","3","7","1","6","2","6","1") = "6"
    & skf21("6","3","7","1","6","2","7","1") = "6"
    & skf21("6","3","7","1","6","3","1","1") = "6"
    & skf21("6","3","7","1","6","3","2","1") = "6"
    & skf21("6","3","7","1","6","3","3","1") = "6"
    & skf21("6","3","7","1","6","3","4","1") = "6"
    & skf21("6","3","7","1","6","3","5","1") = "6"
    & skf21("6","3","7","1","6","3","6","1") = "6"
    & skf21("6","3","7","1","6","3","7","1") = "6"
    & skf21("6","3","7","1","6","4","1","1") = "6"
    & skf21("6","3","7","1","6","4","2","1") = "6"
    & skf21("6","3","7","1","6","4","3","1") = "6"
    & skf21("6","3","7","1","6","4","4","1") = "6"
    & skf21("6","3","7","1","6","4","5","1") = "6"
    & skf21("6","3","7","1","6","4","6","1") = "6"
    & skf21("6","3","7","1","6","4","7","1") = "6"
    & skf21("6","3","7","1","6","5","1","1") = "6"
    & skf21("6","3","7","1","6","5","2","1") = "6"
    & skf21("6","3","7","1","6","5","3","1") = "6"
    & skf21("6","3","7","1","6","5","4","1") = "6"
    & skf21("6","3","7","1","6","5","5","1") = "6"
    & skf21("6","3","7","1","6","5","6","1") = "6"
    & skf21("6","3","7","1","6","5","7","1") = "6"
    & skf21("6","3","7","1","6","6","1","1") = "6"
    & skf21("6","3","7","1","6","6","2","1") = "6"
    & skf21("6","3","7","1","6","6","3","1") = "6"
    & skf21("6","3","7","1","6","6","4","1") = "6"
    & skf21("6","3","7","1","6","6","5","1") = "6"
    & skf21("6","3","7","1","6","6","6","1") = "6"
    & skf21("6","3","7","1","6","6","7","1") = "6"
    & skf21("6","3","7","1","6","7","1","1") = "6"
    & skf21("6","3","7","1","6","7","2","1") = "6"
    & skf21("6","3","7","1","6","7","3","1") = "6"
    & skf21("6","3","7","1","6","7","4","1") = "6"
    & skf21("6","3","7","1","6","7","5","1") = "6"
    & skf21("6","3","7","1","6","7","6","1") = "6"
    & skf21("6","3","7","1","6","7","7","1") = "6"
    & skf21("6","3","7","1","7","1","1","1") = "6"
    & skf21("6","3","7","1","7","1","2","1") = "6"
    & skf21("6","3","7","1","7","1","3","1") = "6"
    & skf21("6","3","7","1","7","1","4","1") = "6"
    & skf21("6","3","7","1","7","1","5","1") = "6"
    & skf21("6","3","7","1","7","1","6","1") = "6"
    & skf21("6","3","7","1","7","1","7","1") = "6"
    & skf21("6","3","7","1","7","2","1","1") = "6"
    & skf21("6","3","7","1","7","2","2","1") = "6"
    & skf21("6","3","7","1","7","2","3","1") = "6"
    & skf21("6","3","7","1","7","2","4","1") = "6"
    & skf21("6","3","7","1","7","2","5","1") = "6"
    & skf21("6","3","7","1","7","2","6","1") = "6"
    & skf21("6","3","7","1","7","2","7","1") = "6"
    & skf21("6","3","7","1","7","3","1","1") = "6"
    & skf21("6","3","7","1","7","3","2","1") = "6"
    & skf21("6","3","7","1","7","3","3","1") = "6"
    & skf21("6","3","7","1","7","3","4","1") = "6"
    & skf21("6","3","7","1","7","3","5","1") = "6"
    & skf21("6","3","7","1","7","3","6","1") = "6"
    & skf21("6","3","7","1","7","3","7","1") = "6"
    & skf21("6","3","7","1","7","4","1","1") = "6"
    & skf21("6","3","7","1","7","4","2","1") = "6"
    & skf21("6","3","7","1","7","4","3","1") = "6"
    & skf21("6","3","7","1","7","4","4","1") = "6"
    & skf21("6","3","7","1","7","4","5","1") = "6"
    & skf21("6","3","7","1","7","4","6","1") = "6"
    & skf21("6","3","7","1","7","4","7","1") = "6"
    & skf21("6","3","7","1","7","5","1","1") = "6"
    & skf21("6","3","7","1","7","5","2","1") = "6"
    & skf21("6","3","7","1","7","5","3","1") = "6"
    & skf21("6","3","7","1","7","5","4","1") = "6"
    & skf21("6","3","7","1","7","5","5","1") = "6"
    & skf21("6","3","7","1","7","5","6","1") = "6"
    & skf21("6","3","7","1","7","5","7","1") = "6"
    & skf21("6","3","7","1","7","6","1","1") = "6"
    & skf21("6","3","7","1","7","6","2","1") = "6"
    & skf21("6","3","7","1","7","6","3","1") = "6"
    & skf21("6","3","7","1","7","6","4","1") = "6"
    & skf21("6","3","7","1","7","6","5","1") = "6"
    & skf21("6","3","7","1","7","6","6","1") = "6"
    & skf21("6","3","7","1","7","6","7","1") = "6"
    & skf21("6","3","7","1","7","7","1","1") = "6"
    & skf21("6","3","7","1","7","7","2","1") = "6"
    & skf21("6","3","7","1","7","7","3","1") = "6"
    & skf21("6","3","7","1","7","7","4","1") = "6"
    & skf21("6","3","7","1","7","7","5","1") = "6"
    & skf21("6","3","7","1","7","7","6","1") = "6"
    & skf21("6","3","7","1","7","7","7","1") = "6"
    & skf21("6","3","7","2","1","1","1","1") = "6"
    & skf21("6","3","7","2","1","1","2","1") = "6"
    & skf21("6","3","7","2","1","1","3","1") = "6"
    & skf21("6","3","7","2","1","1","4","1") = "6"
    & skf21("6","3","7","2","1","1","5","1") = "6"
    & skf21("6","3","7","2","1","1","6","1") = "6"
    & skf21("6","3","7","2","1","1","7","1") = "6"
    & skf21("6","3","7","2","1","2","1","1") = "6"
    & skf21("6","3","7","2","1","2","2","1") = "6"
    & skf21("6","3","7","2","1","2","3","1") = "6"
    & skf21("6","3","7","2","1","2","4","1") = "6"
    & skf21("6","3","7","2","1","2","5","1") = "6"
    & skf21("6","3","7","2","1","2","6","1") = "6"
    & skf21("6","3","7","2","1","2","7","1") = "6"
    & skf21("6","3","7","2","1","3","1","1") = "6"
    & skf21("6","3","7","2","1","3","2","1") = "6"
    & skf21("6","3","7","2","1","3","3","1") = "6"
    & skf21("6","3","7","2","1","3","4","1") = "6"
    & skf21("6","3","7","2","1","3","5","1") = "6"
    & skf21("6","3","7","2","1","3","6","1") = "6"
    & skf21("6","3","7","2","1","3","7","1") = "6"
    & skf21("6","3","7","2","1","4","1","1") = "6"
    & skf21("6","3","7","2","1","4","2","1") = "6"
    & skf21("6","3","7","2","1","4","3","1") = "6"
    & skf21("6","3","7","2","1","4","4","1") = "6"
    & skf21("6","3","7","2","1","4","5","1") = "6"
    & skf21("6","3","7","2","1","4","6","1") = "6"
    & skf21("6","3","7","2","1","4","7","1") = "6"
    & skf21("6","3","7","2","1","5","1","1") = "6"
    & skf21("6","3","7","2","1","5","2","1") = "6"
    & skf21("6","3","7","2","1","5","3","1") = "6"
    & skf21("6","3","7","2","1","5","4","1") = "6"
    & skf21("6","3","7","2","1","5","5","1") = "6"
    & skf21("6","3","7","2","1","5","6","1") = "6"
    & skf21("6","3","7","2","1","5","7","1") = "6"
    & skf21("6","3","7","2","1","6","1","1") = "6"
    & skf21("6","3","7","2","1","6","2","1") = "6"
    & skf21("6","3","7","2","1","6","3","1") = "6"
    & skf21("6","3","7","2","1","6","4","1") = "6"
    & skf21("6","3","7","2","1","6","5","1") = "6"
    & skf21("6","3","7","2","1","6","6","1") = "6"
    & skf21("6","3","7","2","1","6","7","1") = "6"
    & skf21("6","3","7","2","1","7","1","1") = "6"
    & skf21("6","3","7","2","1","7","2","1") = "6"
    & skf21("6","3","7","2","1","7","3","1") = "6"
    & skf21("6","3","7","2","1","7","4","1") = "6"
    & skf21("6","3","7","2","1","7","5","1") = "6"
    & skf21("6","3","7","2","1","7","6","1") = "6"
    & skf21("6","3","7","2","1","7","7","1") = "6"
    & skf21("6","3","7","2","2","1","1","1") = "6"
    & skf21("6","3","7","2","2","1","2","1") = "6"
    & skf21("6","3","7","2","2","1","3","1") = "6"
    & skf21("6","3","7","2","2","1","4","1") = "6"
    & skf21("6","3","7","2","2","1","5","1") = "6"
    & skf21("6","3","7","2","2","1","6","1") = "6"
    & skf21("6","3","7","2","2","1","7","1") = "6"
    & skf21("6","3","7","2","2","2","1","1") = "6"
    & skf21("6","3","7","2","2","2","2","1") = "6"
    & skf21("6","3","7","2","2","2","3","1") = "6"
    & skf21("6","3","7","2","2","2","4","1") = "6"
    & skf21("6","3","7","2","2","2","5","1") = "6"
    & skf21("6","3","7","2","2","2","6","1") = "6"
    & skf21("6","3","7","2","2","2","7","1") = "6"
    & skf21("6","3","7","2","2","3","1","1") = "6"
    & skf21("6","3","7","2","2","3","2","1") = "6"
    & skf21("6","3","7","2","2","3","3","1") = "6"
    & skf21("6","3","7","2","2","3","4","1") = "6"
    & skf21("6","3","7","2","2","3","5","1") = "6"
    & skf21("6","3","7","2","2","3","6","1") = "6"
    & skf21("6","3","7","2","2","3","7","1") = "6"
    & skf21("6","3","7","2","2","4","1","1") = "6"
    & skf21("6","3","7","2","2","4","2","1") = "6"
    & skf21("6","3","7","2","2","4","3","1") = "6"
    & skf21("6","3","7","2","2","4","4","1") = "6"
    & skf21("6","3","7","2","2","4","5","1") = "6"
    & skf21("6","3","7","2","2","4","6","1") = "6"
    & skf21("6","3","7","2","2","4","7","1") = "6"
    & skf21("6","3","7","2","2","5","1","1") = "6"
    & skf21("6","3","7","2","2","5","2","1") = "6"
    & skf21("6","3","7","2","2","5","3","1") = "6"
    & skf21("6","3","7","2","2","5","4","1") = "6"
    & skf21("6","3","7","2","2","5","5","1") = "6"
    & skf21("6","3","7","2","2","5","6","1") = "6"
    & skf21("6","3","7","2","2","5","7","1") = "6"
    & skf21("6","3","7","2","2","6","1","1") = "6"
    & skf21("6","3","7","2","2","6","2","1") = "6"
    & skf21("6","3","7","2","2","6","3","1") = "6"
    & skf21("6","3","7","2","2","6","4","1") = "6"
    & skf21("6","3","7","2","2","6","5","1") = "6"
    & skf21("6","3","7","2","2","6","6","1") = "6"
    & skf21("6","3","7","2","2","6","7","1") = "6"
    & skf21("6","3","7","2","2","7","1","1") = "6"
    & skf21("6","3","7","2","2","7","2","1") = "6"
    & skf21("6","3","7","2","2","7","3","1") = "6"
    & skf21("6","3","7","2","2","7","4","1") = "6"
    & skf21("6","3","7","2","2","7","5","1") = "6"
    & skf21("6","3","7","2","2","7","6","1") = "6"
    & skf21("6","3","7","2","2","7","7","1") = "6"
    & skf21("6","3","7","2","3","1","1","1") = "6"
    & skf21("6","3","7","2","3","1","2","1") = "6"
    & skf21("6","3","7","2","3","1","3","1") = "6"
    & skf21("6","3","7","2","3","1","4","1") = "6"
    & skf21("6","3","7","2","3","1","5","1") = "6"
    & skf21("6","3","7","2","3","1","6","1") = "6"
    & skf21("6","3","7","2","3","1","7","1") = "6"
    & skf21("6","3","7","2","3","2","1","1") = "6"
    & skf21("6","3","7","2","3","2","2","1") = "6"
    & skf21("6","3","7","2","3","2","3","1") = "6"
    & skf21("6","3","7","2","3","2","4","1") = "6"
    & skf21("6","3","7","2","3","2","5","1") = "6"
    & skf21("6","3","7","2","3","2","6","1") = "6"
    & skf21("6","3","7","2","3","2","7","1") = "6"
    & skf21("6","3","7","2","3","3","1","1") = "6"
    & skf21("6","3","7","2","3","3","2","1") = "6"
    & skf21("6","3","7","2","3","3","3","1") = "6"
    & skf21("6","3","7","2","3","3","4","1") = "6"
    & skf21("6","3","7","2","3","3","5","1") = "6"
    & skf21("6","3","7","2","3","3","6","1") = "6"
    & skf21("6","3","7","2","3","3","7","1") = "6"
    & skf21("6","3","7","2","3","4","1","1") = "6"
    & skf21("6","3","7","2","3","4","2","1") = "6"
    & skf21("6","3","7","2","3","4","3","1") = "6"
    & skf21("6","3","7","2","3","4","4","1") = "6"
    & skf21("6","3","7","2","3","4","5","1") = "6"
    & skf21("6","3","7","2","3","4","6","1") = "6"
    & skf21("6","3","7","2","3","4","7","1") = "6"
    & skf21("6","3","7","2","3","5","1","1") = "6"
    & skf21("6","3","7","2","3","5","2","1") = "6"
    & skf21("6","3","7","2","3","5","3","1") = "6"
    & skf21("6","3","7","2","3","5","4","1") = "6"
    & skf21("6","3","7","2","3","5","5","1") = "6"
    & skf21("6","3","7","2","3","5","6","1") = "6"
    & skf21("6","3","7","2","3","5","7","1") = "6"
    & skf21("6","3","7","2","3","6","1","1") = "6"
    & skf21("6","3","7","2","3","6","2","1") = "6"
    & skf21("6","3","7","2","3","6","3","1") = "6"
    & skf21("6","3","7","2","3","6","4","1") = "6"
    & skf21("6","3","7","2","3","6","5","1") = "6"
    & skf21("6","3","7","2","3","6","6","1") = "6"
    & skf21("6","3","7","2","3","6","7","1") = "6"
    & skf21("6","3","7","2","3","7","1","1") = "6"
    & skf21("6","3","7","2","3","7","2","1") = "6"
    & skf21("6","3","7","2","3","7","3","1") = "6"
    & skf21("6","3","7","2","3","7","4","1") = "6"
    & skf21("6","3","7","2","3","7","5","1") = "6"
    & skf21("6","3","7","2","3","7","6","1") = "6"
    & skf21("6","3","7","2","3","7","7","1") = "6"
    & skf21("6","3","7","2","4","1","1","1") = "6"
    & skf21("6","3","7","2","4","1","2","1") = "6"
    & skf21("6","3","7","2","4","1","3","1") = "6"
    & skf21("6","3","7","2","4","1","4","1") = "6"
    & skf21("6","3","7","2","4","1","5","1") = "6"
    & skf21("6","3","7","2","4","1","6","1") = "6"
    & skf21("6","3","7","2","4","1","7","1") = "6"
    & skf21("6","3","7","2","4","2","1","1") = "6"
    & skf21("6","3","7","2","4","2","2","1") = "6"
    & skf21("6","3","7","2","4","2","3","1") = "6"
    & skf21("6","3","7","2","4","2","4","1") = "6"
    & skf21("6","3","7","2","4","2","5","1") = "6"
    & skf21("6","3","7","2","4","2","6","1") = "6"
    & skf21("6","3","7","2","4","2","7","1") = "6"
    & skf21("6","3","7","2","4","3","1","1") = "6"
    & skf21("6","3","7","2","4","3","2","1") = "6"
    & skf21("6","3","7","2","4","3","3","1") = "6"
    & skf21("6","3","7","2","4","3","4","1") = "6"
    & skf21("6","3","7","2","4","3","5","1") = "6"
    & skf21("6","3","7","2","4","3","6","1") = "6"
    & skf21("6","3","7","2","4","3","7","1") = "6"
    & skf21("6","3","7","2","4","4","1","1") = "6"
    & skf21("6","3","7","2","4","4","2","1") = "6"
    & skf21("6","3","7","2","4","4","3","1") = "6"
    & skf21("6","3","7","2","4","4","4","1") = "6"
    & skf21("6","3","7","2","4","4","5","1") = "6"
    & skf21("6","3","7","2","4","4","6","1") = "6"
    & skf21("6","3","7","2","4","4","7","1") = "6"
    & skf21("6","3","7","2","4","5","1","1") = "6"
    & skf21("6","3","7","2","4","5","2","1") = "6"
    & skf21("6","3","7","2","4","5","3","1") = "6"
    & skf21("6","3","7","2","4","5","4","1") = "6"
    & skf21("6","3","7","2","4","5","5","1") = "6"
    & skf21("6","3","7","2","4","5","6","1") = "6"
    & skf21("6","3","7","2","4","5","7","1") = "6"
    & skf21("6","3","7","2","4","6","1","1") = "6"
    & skf21("6","3","7","2","4","6","2","1") = "6"
    & skf21("6","3","7","2","4","6","3","1") = "6"
    & skf21("6","3","7","2","4","6","4","1") = "6"
    & skf21("6","3","7","2","4","6","5","1") = "6"
    & skf21("6","3","7","2","4","6","6","1") = "6"
    & skf21("6","3","7","2","4","6","7","1") = "6"
    & skf21("6","3","7","2","4","7","1","1") = "6"
    & skf21("6","3","7","2","4","7","2","1") = "6"
    & skf21("6","3","7","2","4","7","3","1") = "6"
    & skf21("6","3","7","2","4","7","4","1") = "6"
    & skf21("6","3","7","2","4","7","5","1") = "6"
    & skf21("6","3","7","2","4","7","6","1") = "6"
    & skf21("6","3","7","2","4","7","7","1") = "6"
    & skf21("6","3","7","2","5","1","1","1") = "6"
    & skf21("6","3","7","2","5","1","2","1") = "6"
    & skf21("6","3","7","2","5","1","3","1") = "6"
    & skf21("6","3","7","2","5","1","4","1") = "6"
    & skf21("6","3","7","2","5","1","5","1") = "6"
    & skf21("6","3","7","2","5","1","6","1") = "6"
    & skf21("6","3","7","2","5","1","7","1") = "6"
    & skf21("6","3","7","2","5","2","1","1") = "6"
    & skf21("6","3","7","2","5","2","2","1") = "6"
    & skf21("6","3","7","2","5","2","3","1") = "6"
    & skf21("6","3","7","2","5","2","4","1") = "6"
    & skf21("6","3","7","2","5","2","5","1") = "6"
    & skf21("6","3","7","2","5","2","6","1") = "6"
    & skf21("6","3","7","2","5","2","7","1") = "6"
    & skf21("6","3","7","2","5","3","1","1") = "6"
    & skf21("6","3","7","2","5","3","2","1") = "6"
    & skf21("6","3","7","2","5","3","3","1") = "6"
    & skf21("6","3","7","2","5","3","4","1") = "6"
    & skf21("6","3","7","2","5","3","5","1") = "6"
    & skf21("6","3","7","2","5","3","6","1") = "6"
    & skf21("6","3","7","2","5","3","7","1") = "6"
    & skf21("6","3","7","2","5","4","1","1") = "6"
    & skf21("6","3","7","2","5","4","2","1") = "6"
    & skf21("6","3","7","2","5","4","3","1") = "6"
    & skf21("6","3","7","2","5","4","4","1") = "6"
    & skf21("6","3","7","2","5","4","5","1") = "6"
    & skf21("6","3","7","2","5","4","6","1") = "6"
    & skf21("6","3","7","2","5","4","7","1") = "6"
    & skf21("6","3","7","2","5","5","1","1") = "6"
    & skf21("6","3","7","2","5","5","2","1") = "6"
    & skf21("6","3","7","2","5","5","3","1") = "6"
    & skf21("6","3","7","2","5","5","4","1") = "6"
    & skf21("6","3","7","2","5","5","5","1") = "6"
    & skf21("6","3","7","2","5","5","6","1") = "6"
    & skf21("6","3","7","2","5","5","7","1") = "6"
    & skf21("6","3","7","2","5","6","1","1") = "6"
    & skf21("6","3","7","2","5","6","2","1") = "6"
    & skf21("6","3","7","2","5","6","3","1") = "6"
    & skf21("6","3","7","2","5","6","4","1") = "6"
    & skf21("6","3","7","2","5","6","5","1") = "6"
    & skf21("6","3","7","2","5","6","6","1") = "6"
    & skf21("6","3","7","2","5","6","7","1") = "6"
    & skf21("6","3","7","2","5","7","1","1") = "6"
    & skf21("6","3","7","2","5","7","2","1") = "6"
    & skf21("6","3","7","2","5","7","3","1") = "6"
    & skf21("6","3","7","2","5","7","4","1") = "6"
    & skf21("6","3","7","2","5","7","5","1") = "6"
    & skf21("6","3","7","2","5","7","6","1") = "6"
    & skf21("6","3","7","2","5","7","7","1") = "6"
    & skf21("6","3","7","2","6","1","1","1") = "6"
    & skf21("6","3","7","2","6","1","2","1") = "6"
    & skf21("6","3","7","2","6","1","3","1") = "6"
    & skf21("6","3","7","2","6","1","4","1") = "6"
    & skf21("6","3","7","2","6","1","5","1") = "6"
    & skf21("6","3","7","2","6","1","6","1") = "6"
    & skf21("6","3","7","2","6","1","7","1") = "6"
    & skf21("6","3","7","2","6","2","1","1") = "6"
    & skf21("6","3","7","2","6","2","2","1") = "6"
    & skf21("6","3","7","2","6","2","3","1") = "6"
    & skf21("6","3","7","2","6","2","4","1") = "6"
    & skf21("6","3","7","2","6","2","5","1") = "6"
    & skf21("6","3","7","2","6","2","6","1") = "6"
    & skf21("6","3","7","2","6","2","7","1") = "6"
    & skf21("6","3","7","2","6","3","1","1") = "6"
    & skf21("6","3","7","2","6","3","2","1") = "6"
    & skf21("6","3","7","2","6","3","3","1") = "6"
    & skf21("6","3","7","2","6","3","4","1") = "6"
    & skf21("6","3","7","2","6","3","5","1") = "6"
    & skf21("6","3","7","2","6","3","6","1") = "6"
    & skf21("6","3","7","2","6","3","7","1") = "6"
    & skf21("6","3","7","2","6","4","1","1") = "6"
    & skf21("6","3","7","2","6","4","2","1") = "6"
    & skf21("6","3","7","2","6","4","3","1") = "6"
    & skf21("6","3","7","2","6","4","4","1") = "6"
    & skf21("6","3","7","2","6","4","5","1") = "6"
    & skf21("6","3","7","2","6","4","6","1") = "6"
    & skf21("6","3","7","2","6","4","7","1") = "6"
    & skf21("6","3","7","2","6","5","1","1") = "6"
    & skf21("6","3","7","2","6","5","2","1") = "6"
    & skf21("6","3","7","2","6","5","3","1") = "6"
    & skf21("6","3","7","2","6","5","4","1") = "6"
    & skf21("6","3","7","2","6","5","5","1") = "6"
    & skf21("6","3","7","2","6","5","6","1") = "6"
    & skf21("6","3","7","2","6","5","7","1") = "6"
    & skf21("6","3","7","2","6","6","1","1") = "6"
    & skf21("6","3","7","2","6","6","2","1") = "6"
    & skf21("6","3","7","2","6","6","3","1") = "6"
    & skf21("6","3","7","2","6","6","4","1") = "6"
    & skf21("6","3","7","2","6","6","5","1") = "6"
    & skf21("6","3","7","2","6","6","6","1") = "6"
    & skf21("6","3","7","2","6","6","7","1") = "6"
    & skf21("6","3","7","2","6","7","1","1") = "6"
    & skf21("6","3","7","2","6","7","2","1") = "6"
    & skf21("6","3","7","2","6","7","3","1") = "6"
    & skf21("6","3","7","2","6","7","4","1") = "6"
    & skf21("6","3","7","2","6","7","5","1") = "6"
    & skf21("6","3","7","2","6","7","6","1") = "6"
    & skf21("6","3","7","2","6","7","7","1") = "6"
    & skf21("6","3","7","2","7","1","1","1") = "6"
    & skf21("6","3","7","2","7","1","2","1") = "6"
    & skf21("6","3","7","2","7","1","3","1") = "6"
    & skf21("6","3","7","2","7","1","4","1") = "6"
    & skf21("6","3","7","2","7","1","5","1") = "6"
    & skf21("6","3","7","2","7","1","6","1") = "6"
    & skf21("6","3","7","2","7","1","7","1") = "6"
    & skf21("6","3","7","2","7","2","1","1") = "6"
    & skf21("6","3","7","2","7","2","2","1") = "6"
    & skf21("6","3","7","2","7","2","3","1") = "6"
    & skf21("6","3","7","2","7","2","4","1") = "6"
    & skf21("6","3","7","2","7","2","5","1") = "6"
    & skf21("6","3","7","2","7","2","6","1") = "6"
    & skf21("6","3","7","2","7","2","7","1") = "6"
    & skf21("6","3","7","2","7","3","1","1") = "6"
    & skf21("6","3","7","2","7","3","2","1") = "6"
    & skf21("6","3","7","2","7","3","3","1") = "6"
    & skf21("6","3","7","2","7","3","4","1") = "6"
    & skf21("6","3","7","2","7","3","5","1") = "6"
    & skf21("6","3","7","2","7","3","6","1") = "6"
    & skf21("6","3","7","2","7","3","7","1") = "6"
    & skf21("6","3","7","2","7","4","1","1") = "6"
    & skf21("6","3","7","2","7","4","2","1") = "6"
    & skf21("6","3","7","2","7","4","3","1") = "6"
    & skf21("6","3","7","2","7","4","4","1") = "6"
    & skf21("6","3","7","2","7","4","5","1") = "6"
    & skf21("6","3","7","2","7","4","6","1") = "6"
    & skf21("6","3","7","2","7","4","7","1") = "6"
    & skf21("6","3","7","2","7","5","1","1") = "6"
    & skf21("6","3","7","2","7","5","2","1") = "6"
    & skf21("6","3","7","2","7","5","3","1") = "6"
    & skf21("6","3","7","2","7","5","4","1") = "6"
    & skf21("6","3","7","2","7","5","5","1") = "6"
    & skf21("6","3","7","2","7","5","6","1") = "6"
    & skf21("6","3","7","2","7","5","7","1") = "6"
    & skf21("6","3","7","2","7","6","1","1") = "6"
    & skf21("6","3","7","2","7","6","2","1") = "6"
    & skf21("6","3","7","2","7","6","3","1") = "6"
    & skf21("6","3","7","2","7","6","4","1") = "6"
    & skf21("6","3","7","2","7","6","5","1") = "6"
    & skf21("6","3","7","2","7","6","6","1") = "6"
    & skf21("6","3","7","2","7","6","7","1") = "6"
    & skf21("6","3","7","2","7","7","1","1") = "6"
    & skf21("6","3","7","2","7","7","2","1") = "6"
    & skf21("6","3","7","2","7","7","3","1") = "6"
    & skf21("6","3","7","2","7","7","4","1") = "6"
    & skf21("6","3","7","2","7","7","5","1") = "6"
    & skf21("6","3","7","2","7","7","6","1") = "6"
    & skf21("6","3","7","2","7","7","7","1") = "6"
    & skf21("6","3","7","3","1","1","1","1") = "6"
    & skf21("6","3","7","3","1","1","2","1") = "6"
    & skf21("6","3","7","3","1","1","3","1") = "6"
    & skf21("6","3","7","3","1","1","4","1") = "6"
    & skf21("6","3","7","3","1","1","5","1") = "6"
    & skf21("6","3","7","3","1","1","6","1") = "6"
    & skf21("6","3","7","3","1","1","7","1") = "6"
    & skf21("6","3","7","3","1","2","1","1") = "6"
    & skf21("6","3","7","3","1","2","2","1") = "6"
    & skf21("6","3","7","3","1","2","3","1") = "6"
    & skf21("6","3","7","3","1","2","4","1") = "6"
    & skf21("6","3","7","3","1","2","5","1") = "6"
    & skf21("6","3","7","3","1","2","6","1") = "6"
    & skf21("6","3","7","3","1","2","7","1") = "6"
    & skf21("6","3","7","3","1","3","1","1") = "6"
    & skf21("6","3","7","3","1","3","2","1") = "6"
    & skf21("6","3","7","3","1","3","3","1") = "6"
    & skf21("6","3","7","3","1","3","4","1") = "6"
    & skf21("6","3","7","3","1","3","5","1") = "6"
    & skf21("6","3","7","3","1","3","6","1") = "6"
    & skf21("6","3","7","3","1","3","7","1") = "6"
    & skf21("6","3","7","3","1","4","1","1") = "6"
    & skf21("6","3","7","3","1","4","2","1") = "6"
    & skf21("6","3","7","3","1","4","3","1") = "6"
    & skf21("6","3","7","3","1","4","4","1") = "6"
    & skf21("6","3","7","3","1","4","5","1") = "6"
    & skf21("6","3","7","3","1","4","6","1") = "6"
    & skf21("6","3","7","3","1","4","7","1") = "6"
    & skf21("6","3","7","3","1","5","1","1") = "6"
    & skf21("6","3","7","3","1","5","2","1") = "6"
    & skf21("6","3","7","3","1","5","3","1") = "6"
    & skf21("6","3","7","3","1","5","4","1") = "6"
    & skf21("6","3","7","3","1","5","5","1") = "6"
    & skf21("6","3","7","3","1","5","6","1") = "6"
    & skf21("6","3","7","3","1","5","7","1") = "6"
    & skf21("6","3","7","3","1","6","1","1") = "6"
    & skf21("6","3","7","3","1","6","2","1") = "6"
    & skf21("6","3","7","3","1","6","3","1") = "6"
    & skf21("6","3","7","3","1","6","4","1") = "6"
    & skf21("6","3","7","3","1","6","5","1") = "6"
    & skf21("6","3","7","3","1","6","6","1") = "6"
    & skf21("6","3","7","3","1","6","7","1") = "6"
    & skf21("6","3","7","3","1","7","1","1") = "6"
    & skf21("6","3","7","3","1","7","2","1") = "6"
    & skf21("6","3","7","3","1","7","3","1") = "6"
    & skf21("6","3","7","3","1","7","4","1") = "6"
    & skf21("6","3","7","3","1","7","5","1") = "6"
    & skf21("6","3","7","3","1","7","6","1") = "6"
    & skf21("6","3","7","3","1","7","7","1") = "6"
    & skf21("6","3","7","3","2","1","1","1") = "6"
    & skf21("6","3","7","3","2","1","2","1") = "6"
    & skf21("6","3","7","3","2","1","3","1") = "6"
    & skf21("6","3","7","3","2","1","4","1") = "6"
    & skf21("6","3","7","3","2","1","5","1") = "6"
    & skf21("6","3","7","3","2","1","6","1") = "6"
    & skf21("6","3","7","3","2","1","7","1") = "6"
    & skf21("6","3","7","3","2","2","1","1") = "6"
    & skf21("6","3","7","3","2","2","2","1") = "6"
    & skf21("6","3","7","3","2","2","3","1") = "6"
    & skf21("6","3","7","3","2","2","4","1") = "6"
    & skf21("6","3","7","3","2","2","5","1") = "6"
    & skf21("6","3","7","3","2","2","6","1") = "6"
    & skf21("6","3","7","3","2","2","7","1") = "6"
    & skf21("6","3","7","3","2","3","1","1") = "6"
    & skf21("6","3","7","3","2","3","2","1") = "6"
    & skf21("6","3","7","3","2","3","3","1") = "6"
    & skf21("6","3","7","3","2","3","4","1") = "6"
    & skf21("6","3","7","3","2","3","5","1") = "6"
    & skf21("6","3","7","3","2","3","6","1") = "6"
    & skf21("6","3","7","3","2","3","7","1") = "6"
    & skf21("6","3","7","3","2","4","1","1") = "6"
    & skf21("6","3","7","3","2","4","2","1") = "6"
    & skf21("6","3","7","3","2","4","3","1") = "6"
    & skf21("6","3","7","3","2","4","4","1") = "6"
    & skf21("6","3","7","3","2","4","5","1") = "6"
    & skf21("6","3","7","3","2","4","6","1") = "6"
    & skf21("6","3","7","3","2","4","7","1") = "6"
    & skf21("6","3","7","3","2","5","1","1") = "6"
    & skf21("6","3","7","3","2","5","2","1") = "6"
    & skf21("6","3","7","3","2","5","3","1") = "6"
    & skf21("6","3","7","3","2","5","4","1") = "6"
    & skf21("6","3","7","3","2","5","5","1") = "6"
    & skf21("6","3","7","3","2","5","6","1") = "6"
    & skf21("6","3","7","3","2","5","7","1") = "6"
    & skf21("6","3","7","3","2","6","1","1") = "6"
    & skf21("6","3","7","3","2","6","2","1") = "6"
    & skf21("6","3","7","3","2","6","3","1") = "6"
    & skf21("6","3","7","3","2","6","4","1") = "6"
    & skf21("6","3","7","3","2","6","5","1") = "6"
    & skf21("6","3","7","3","2","6","6","1") = "6"
    & skf21("6","3","7","3","2","6","7","1") = "6"
    & skf21("6","3","7","3","2","7","1","1") = "6"
    & skf21("6","3","7","3","2","7","2","1") = "6"
    & skf21("6","3","7","3","2","7","3","1") = "6"
    & skf21("6","3","7","3","2","7","4","1") = "6"
    & skf21("6","3","7","3","2","7","5","1") = "6"
    & skf21("6","3","7","3","2","7","6","1") = "6"
    & skf21("6","3","7","3","2","7","7","1") = "6"
    & skf21("6","3","7","3","3","1","1","1") = "6"
    & skf21("6","3","7","3","3","1","2","1") = "6"
    & skf21("6","3","7","3","3","1","3","1") = "6"
    & skf21("6","3","7","3","3","1","4","1") = "6"
    & skf21("6","3","7","3","3","1","5","1") = "6"
    & skf21("6","3","7","3","3","1","6","1") = "6"
    & skf21("6","3","7","3","3","1","7","1") = "6"
    & skf21("6","3","7","3","3","2","1","1") = "6"
    & skf21("6","3","7","3","3","2","2","1") = "6"
    & skf21("6","3","7","3","3","2","3","1") = "6"
    & skf21("6","3","7","3","3","2","4","1") = "6"
    & skf21("6","3","7","3","3","2","5","1") = "6"
    & skf21("6","3","7","3","3","2","6","1") = "6"
    & skf21("6","3","7","3","3","2","7","1") = "6"
    & skf21("6","3","7","3","3","3","1","1") = "6"
    & skf21("6","3","7","3","3","3","2","1") = "6"
    & skf21("6","3","7","3","3","3","3","1") = "6"
    & skf21("6","3","7","3","3","3","4","1") = "6"
    & skf21("6","3","7","3","3","3","5","1") = "6"
    & skf21("6","3","7","3","3","3","6","1") = "6"
    & skf21("6","3","7","3","3","3","7","1") = "6"
    & skf21("6","3","7","3","3","4","1","1") = "6"
    & skf21("6","3","7","3","3","4","2","1") = "6"
    & skf21("6","3","7","3","3","4","3","1") = "6"
    & skf21("6","3","7","3","3","4","4","1") = "6"
    & skf21("6","3","7","3","3","4","5","1") = "6"
    & skf21("6","3","7","3","3","4","6","1") = "6"
    & skf21("6","3","7","3","3","4","7","1") = "6"
    & skf21("6","3","7","3","3","5","1","1") = "6"
    & skf21("6","3","7","3","3","5","2","1") = "6"
    & skf21("6","3","7","3","3","5","3","1") = "6"
    & skf21("6","3","7","3","3","5","4","1") = "6"
    & skf21("6","3","7","3","3","5","5","1") = "6"
    & skf21("6","3","7","3","3","5","6","1") = "6"
    & skf21("6","3","7","3","3","5","7","1") = "6"
    & skf21("6","3","7","3","3","6","1","1") = "6"
    & skf21("6","3","7","3","3","6","2","1") = "6"
    & skf21("6","3","7","3","3","6","3","1") = "6"
    & skf21("6","3","7","3","3","6","4","1") = "6"
    & skf21("6","3","7","3","3","6","5","1") = "6"
    & skf21("6","3","7","3","3","6","6","1") = "6"
    & skf21("6","3","7","3","3","6","7","1") = "6"
    & skf21("6","3","7","3","3","7","1","1") = "6"
    & skf21("6","3","7","3","3","7","2","1") = "6"
    & skf21("6","3","7","3","3","7","3","1") = "6"
    & skf21("6","3","7","3","3","7","4","1") = "6"
    & skf21("6","3","7","3","3","7","5","1") = "6"
    & skf21("6","3","7","3","3","7","6","1") = "6"
    & skf21("6","3","7","3","3","7","7","1") = "6"
    & skf21("6","3","7","3","4","1","1","1") = "6"
    & skf21("6","3","7","3","4","1","2","1") = "6"
    & skf21("6","3","7","3","4","1","3","1") = "6"
    & skf21("6","3","7","3","4","1","4","1") = "6"
    & skf21("6","3","7","3","4","1","5","1") = "6"
    & skf21("6","3","7","3","4","1","6","1") = "6"
    & skf21("6","3","7","3","4","1","7","1") = "6"
    & skf21("6","3","7","3","4","2","1","1") = "6"
    & skf21("6","3","7","3","4","2","2","1") = "6"
    & skf21("6","3","7","3","4","2","3","1") = "6"
    & skf21("6","3","7","3","4","2","4","1") = "6"
    & skf21("6","3","7","3","4","2","5","1") = "6"
    & skf21("6","3","7","3","4","2","6","1") = "6"
    & skf21("6","3","7","3","4","2","7","1") = "6"
    & skf21("6","3","7","3","4","3","1","1") = "6"
    & skf21("6","3","7","3","4","3","2","1") = "6"
    & skf21("6","3","7","3","4","3","3","1") = "6"
    & skf21("6","3","7","3","4","3","4","1") = "6"
    & skf21("6","3","7","3","4","3","5","1") = "6"
    & skf21("6","3","7","3","4","3","6","1") = "6"
    & skf21("6","3","7","3","4","3","7","1") = "6"
    & skf21("6","3","7","3","4","4","1","1") = "6"
    & skf21("6","3","7","3","4","4","2","1") = "6"
    & skf21("6","3","7","3","4","4","3","1") = "6"
    & skf21("6","3","7","3","4","4","4","1") = "6"
    & skf21("6","3","7","3","4","4","5","1") = "6"
    & skf21("6","3","7","3","4","4","6","1") = "6"
    & skf21("6","3","7","3","4","4","7","1") = "6"
    & skf21("6","3","7","3","4","5","1","1") = "6"
    & skf21("6","3","7","3","4","5","2","1") = "6"
    & skf21("6","3","7","3","4","5","3","1") = "6"
    & skf21("6","3","7","3","4","5","4","1") = "6"
    & skf21("6","3","7","3","4","5","5","1") = "6"
    & skf21("6","3","7","3","4","5","6","1") = "6"
    & skf21("6","3","7","3","4","5","7","1") = "6"
    & skf21("6","3","7","3","4","6","1","1") = "6"
    & skf21("6","3","7","3","4","6","2","1") = "6"
    & skf21("6","3","7","3","4","6","3","1") = "6"
    & skf21("6","3","7","3","4","6","4","1") = "6"
    & skf21("6","3","7","3","4","6","5","1") = "6"
    & skf21("6","3","7","3","4","6","6","1") = "6"
    & skf21("6","3","7","3","4","6","7","1") = "6"
    & skf21("6","3","7","3","4","7","1","1") = "6"
    & skf21("6","3","7","3","4","7","2","1") = "6"
    & skf21("6","3","7","3","4","7","3","1") = "6"
    & skf21("6","3","7","3","4","7","4","1") = "6"
    & skf21("6","3","7","3","4","7","5","1") = "6"
    & skf21("6","3","7","3","4","7","6","1") = "6"
    & skf21("6","3","7","3","4","7","7","1") = "6"
    & skf21("6","3","7","3","5","1","1","1") = "6"
    & skf21("6","3","7","3","5","1","2","1") = "6"
    & skf21("6","3","7","3","5","1","3","1") = "6"
    & skf21("6","3","7","3","5","1","4","1") = "6"
    & skf21("6","3","7","3","5","1","5","1") = "6"
    & skf21("6","3","7","3","5","1","6","1") = "6"
    & skf21("6","3","7","3","5","1","7","1") = "6"
    & skf21("6","3","7","3","5","2","1","1") = "6"
    & skf21("6","3","7","3","5","2","2","1") = "6"
    & skf21("6","3","7","3","5","2","3","1") = "6"
    & skf21("6","3","7","3","5","2","4","1") = "6"
    & skf21("6","3","7","3","5","2","5","1") = "6"
    & skf21("6","3","7","3","5","2","6","1") = "6"
    & skf21("6","3","7","3","5","2","7","1") = "6"
    & skf21("6","3","7","3","5","3","1","1") = "6"
    & skf21("6","3","7","3","5","3","2","1") = "6"
    & skf21("6","3","7","3","5","3","3","1") = "6"
    & skf21("6","3","7","3","5","3","4","1") = "6"
    & skf21("6","3","7","3","5","3","5","1") = "6"
    & skf21("6","3","7","3","5","3","6","1") = "6"
    & skf21("6","3","7","3","5","3","7","1") = "6"
    & skf21("6","3","7","3","5","4","1","1") = "6"
    & skf21("6","3","7","3","5","4","2","1") = "6"
    & skf21("6","3","7","3","5","4","3","1") = "6"
    & skf21("6","3","7","3","5","4","4","1") = "6"
    & skf21("6","3","7","3","5","4","5","1") = "6"
    & skf21("6","3","7","3","5","4","6","1") = "6"
    & skf21("6","3","7","3","5","4","7","1") = "6"
    & skf21("6","3","7","3","5","5","1","1") = "6"
    & skf21("6","3","7","3","5","5","2","1") = "6"
    & skf21("6","3","7","3","5","5","3","1") = "6"
    & skf21("6","3","7","3","5","5","4","1") = "6"
    & skf21("6","3","7","3","5","5","5","1") = "6"
    & skf21("6","3","7","3","5","5","6","1") = "6"
    & skf21("6","3","7","3","5","5","7","1") = "6"
    & skf21("6","3","7","3","5","6","1","1") = "6"
    & skf21("6","3","7","3","5","6","2","1") = "6"
    & skf21("6","3","7","3","5","6","3","1") = "6"
    & skf21("6","3","7","3","5","6","4","1") = "6"
    & skf21("6","3","7","3","5","6","5","1") = "6"
    & skf21("6","3","7","3","5","6","6","1") = "6"
    & skf21("6","3","7","3","5","6","7","1") = "6"
    & skf21("6","3","7","3","5","7","1","1") = "6"
    & skf21("6","3","7","3","5","7","2","1") = "6"
    & skf21("6","3","7","3","5","7","3","1") = "6"
    & skf21("6","3","7","3","5","7","4","1") = "6"
    & skf21("6","3","7","3","5","7","5","1") = "6"
    & skf21("6","3","7","3","5","7","6","1") = "6"
    & skf21("6","3","7","3","5","7","7","1") = "6"
    & skf21("6","3","7","3","6","1","1","1") = "6"
    & skf21("6","3","7","3","6","1","2","1") = "6"
    & skf21("6","3","7","3","6","1","3","1") = "6"
    & skf21("6","3","7","3","6","1","4","1") = "6"
    & skf21("6","3","7","3","6","1","5","1") = "6"
    & skf21("6","3","7","3","6","1","6","1") = "6"
    & skf21("6","3","7","3","6","1","7","1") = "6"
    & skf21("6","3","7","3","6","2","1","1") = "6"
    & skf21("6","3","7","3","6","2","2","1") = "6"
    & skf21("6","3","7","3","6","2","3","1") = "6"
    & skf21("6","3","7","3","6","2","4","1") = "6"
    & skf21("6","3","7","3","6","2","5","1") = "6"
    & skf21("6","3","7","3","6","2","6","1") = "6"
    & skf21("6","3","7","3","6","2","7","1") = "6"
    & skf21("6","3","7","3","6","3","1","1") = "6"
    & skf21("6","3","7","3","6","3","2","1") = "6"
    & skf21("6","3","7","3","6","3","3","1") = "6"
    & skf21("6","3","7","3","6","3","4","1") = "6"
    & skf21("6","3","7","3","6","3","5","1") = "6"
    & skf21("6","3","7","3","6","3","6","1") = "6"
    & skf21("6","3","7","3","6","3","7","1") = "6"
    & skf21("6","3","7","3","6","4","1","1") = "6"
    & skf21("6","3","7","3","6","4","2","1") = "6"
    & skf21("6","3","7","3","6","4","3","1") = "6"
    & skf21("6","3","7","3","6","4","4","1") = "6"
    & skf21("6","3","7","3","6","4","5","1") = "6"
    & skf21("6","3","7","3","6","4","6","1") = "6"
    & skf21("6","3","7","3","6","4","7","1") = "6"
    & skf21("6","3","7","3","6","5","1","1") = "6"
    & skf21("6","3","7","3","6","5","2","1") = "6"
    & skf21("6","3","7","3","6","5","3","1") = "6"
    & skf21("6","3","7","3","6","5","4","1") = "6"
    & skf21("6","3","7","3","6","5","5","1") = "6"
    & skf21("6","3","7","3","6","5","6","1") = "6"
    & skf21("6","3","7","3","6","5","7","1") = "6"
    & skf21("6","3","7","3","6","6","1","1") = "6"
    & skf21("6","3","7","3","6","6","2","1") = "6"
    & skf21("6","3","7","3","6","6","3","1") = "6"
    & skf21("6","3","7","3","6","6","4","1") = "6"
    & skf21("6","3","7","3","6","6","5","1") = "6"
    & skf21("6","3","7","3","6","6","6","1") = "6"
    & skf21("6","3","7","3","6","6","7","1") = "6"
    & skf21("6","3","7","3","6","7","1","1") = "6"
    & skf21("6","3","7","3","6","7","2","1") = "6"
    & skf21("6","3","7","3","6","7","3","1") = "6"
    & skf21("6","3","7","3","6","7","4","1") = "6"
    & skf21("6","3","7","3","6","7","5","1") = "6"
    & skf21("6","3","7","3","6","7","6","1") = "6"
    & skf21("6","3","7","3","6","7","7","1") = "6"
    & skf21("6","3","7","3","7","1","1","1") = "6"
    & skf21("6","3","7","3","7","1","2","1") = "6"
    & skf21("6","3","7","3","7","1","3","1") = "6"
    & skf21("6","3","7","3","7","1","4","1") = "6"
    & skf21("6","3","7","3","7","1","5","1") = "6"
    & skf21("6","3","7","3","7","1","6","1") = "6"
    & skf21("6","3","7","3","7","1","7","1") = "6"
    & skf21("6","3","7","3","7","2","1","1") = "6"
    & skf21("6","3","7","3","7","2","2","1") = "6"
    & skf21("6","3","7","3","7","2","3","1") = "6"
    & skf21("6","3","7","3","7","2","4","1") = "6"
    & skf21("6","3","7","3","7","2","5","1") = "6"
    & skf21("6","3","7","3","7","2","6","1") = "6"
    & skf21("6","3","7","3","7","2","7","1") = "6"
    & skf21("6","3","7","3","7","3","1","1") = "6"
    & skf21("6","3","7","3","7","3","2","1") = "6"
    & skf21("6","3","7","3","7","3","3","1") = "6"
    & skf21("6","3","7","3","7","3","4","1") = "6"
    & skf21("6","3","7","3","7","3","5","1") = "6"
    & skf21("6","3","7","3","7","3","6","1") = "6"
    & skf21("6","3","7","3","7","3","7","1") = "6"
    & skf21("6","3","7","3","7","4","1","1") = "6"
    & skf21("6","3","7","3","7","4","2","1") = "6"
    & skf21("6","3","7","3","7","4","3","1") = "6"
    & skf21("6","3","7","3","7","4","4","1") = "6"
    & skf21("6","3","7","3","7","4","5","1") = "6"
    & skf21("6","3","7","3","7","4","6","1") = "6"
    & skf21("6","3","7","3","7","4","7","1") = "6"
    & skf21("6","3","7","3","7","5","1","1") = "6"
    & skf21("6","3","7","3","7","5","2","1") = "6"
    & skf21("6","3","7","3","7","5","3","1") = "6"
    & skf21("6","3","7","3","7","5","4","1") = "6"
    & skf21("6","3","7","3","7","5","5","1") = "6"
    & skf21("6","3","7","3","7","5","6","1") = "6"
    & skf21("6","3","7","3","7","5","7","1") = "6"
    & skf21("6","3","7","3","7","6","1","1") = "6"
    & skf21("6","3","7","3","7","6","2","1") = "6"
    & skf21("6","3","7","3","7","6","3","1") = "6"
    & skf21("6","3","7","3","7","6","4","1") = "6"
    & skf21("6","3","7","3","7","6","5","1") = "6"
    & skf21("6","3","7","3","7","6","6","1") = "6"
    & skf21("6","3","7","3","7","6","7","1") = "6"
    & skf21("6","3","7","3","7","7","1","1") = "6"
    & skf21("6","3","7","3","7","7","2","1") = "6"
    & skf21("6","3","7","3","7","7","3","1") = "6"
    & skf21("6","3","7","3","7","7","4","1") = "6"
    & skf21("6","3","7","3","7","7","5","1") = "6"
    & skf21("6","3","7","3","7","7","6","1") = "6"
    & skf21("6","3","7","3","7","7","7","1") = "6"
    & skf21("6","3","7","4","1","1","1","1") = "6"
    & skf21("6","3","7","4","1","1","2","1") = "6"
    & skf21("6","3","7","4","1","1","3","1") = "6"
    & skf21("6","3","7","4","1","1","4","1") = "6"
    & skf21("6","3","7","4","1","1","5","1") = "6"
    & skf21("6","3","7","4","1","1","6","1") = "6"
    & skf21("6","3","7","4","1","1","7","1") = "6"
    & skf21("6","3","7","4","1","2","1","1") = "6"
    & skf21("6","3","7","4","1","2","2","1") = "6"
    & skf21("6","3","7","4","1","2","3","1") = "6"
    & skf21("6","3","7","4","1","2","4","1") = "6"
    & skf21("6","3","7","4","1","2","5","1") = "6"
    & skf21("6","3","7","4","1","2","6","1") = "6"
    & skf21("6","3","7","4","1","2","7","1") = "6"
    & skf21("6","3","7","4","1","3","1","1") = "6"
    & skf21("6","3","7","4","1","3","2","1") = "6"
    & skf21("6","3","7","4","1","3","3","1") = "6"
    & skf21("6","3","7","4","1","3","4","1") = "6"
    & skf21("6","3","7","4","1","3","5","1") = "6"
    & skf21("6","3","7","4","1","3","6","1") = "6"
    & skf21("6","3","7","4","1","3","7","1") = "6"
    & skf21("6","3","7","4","1","4","1","1") = "6"
    & skf21("6","3","7","4","1","4","2","1") = "6"
    & skf21("6","3","7","4","1","4","3","1") = "6"
    & skf21("6","3","7","4","1","4","4","1") = "6"
    & skf21("6","3","7","4","1","4","5","1") = "6"
    & skf21("6","3","7","4","1","4","6","1") = "6"
    & skf21("6","3","7","4","1","4","7","1") = "6"
    & skf21("6","3","7","4","1","5","1","1") = "6"
    & skf21("6","3","7","4","1","5","2","1") = "6"
    & skf21("6","3","7","4","1","5","3","1") = "6"
    & skf21("6","3","7","4","1","5","4","1") = "6"
    & skf21("6","3","7","4","1","5","5","1") = "6"
    & skf21("6","3","7","4","1","5","6","1") = "6"
    & skf21("6","3","7","4","1","5","7","1") = "6"
    & skf21("6","3","7","4","1","6","1","1") = "6"
    & skf21("6","3","7","4","1","6","2","1") = "6"
    & skf21("6","3","7","4","1","6","3","1") = "6"
    & skf21("6","3","7","4","1","6","4","1") = "6"
    & skf21("6","3","7","4","1","6","5","1") = "6"
    & skf21("6","3","7","4","1","6","6","1") = "6"
    & skf21("6","3","7","4","1","6","7","1") = "6"
    & skf21("6","3","7","4","1","7","1","1") = "6"
    & skf21("6","3","7","4","1","7","2","1") = "6"
    & skf21("6","3","7","4","1","7","3","1") = "6"
    & skf21("6","3","7","4","1","7","4","1") = "6"
    & skf21("6","3","7","4","1","7","5","1") = "6"
    & skf21("6","3","7","4","1","7","6","1") = "6"
    & skf21("6","3","7","4","1","7","7","1") = "6"
    & skf21("6","3","7","4","2","1","1","1") = "6"
    & skf21("6","3","7","4","2","1","2","1") = "6"
    & skf21("6","3","7","4","2","1","3","1") = "6"
    & skf21("6","3","7","4","2","1","4","1") = "6"
    & skf21("6","3","7","4","2","1","5","1") = "6"
    & skf21("6","3","7","4","2","1","6","1") = "6"
    & skf21("6","3","7","4","2","1","7","1") = "6"
    & skf21("6","3","7","4","2","2","1","1") = "6"
    & skf21("6","3","7","4","2","2","2","1") = "6"
    & skf21("6","3","7","4","2","2","3","1") = "6"
    & skf21("6","3","7","4","2","2","4","1") = "6"
    & skf21("6","3","7","4","2","2","5","1") = "6"
    & skf21("6","3","7","4","2","2","6","1") = "6"
    & skf21("6","3","7","4","2","2","7","1") = "6"
    & skf21("6","3","7","4","2","3","1","1") = "6"
    & skf21("6","3","7","4","2","3","2","1") = "6"
    & skf21("6","3","7","4","2","3","3","1") = "6"
    & skf21("6","3","7","4","2","3","4","1") = "6"
    & skf21("6","3","7","4","2","3","5","1") = "6"
    & skf21("6","3","7","4","2","3","6","1") = "6"
    & skf21("6","3","7","4","2","3","7","1") = "6"
    & skf21("6","3","7","4","2","4","1","1") = "6"
    & skf21("6","3","7","4","2","4","2","1") = "6"
    & skf21("6","3","7","4","2","4","3","1") = "6"
    & skf21("6","3","7","4","2","4","4","1") = "6"
    & skf21("6","3","7","4","2","4","5","1") = "6"
    & skf21("6","3","7","4","2","4","6","1") = "6"
    & skf21("6","3","7","4","2","4","7","1") = "6"
    & skf21("6","3","7","4","2","5","1","1") = "6"
    & skf21("6","3","7","4","2","5","2","1") = "6"
    & skf21("6","3","7","4","2","5","3","1") = "6"
    & skf21("6","3","7","4","2","5","4","1") = "6"
    & skf21("6","3","7","4","2","5","5","1") = "6"
    & skf21("6","3","7","4","2","5","6","1") = "6"
    & skf21("6","3","7","4","2","5","7","1") = "6"
    & skf21("6","3","7","4","2","6","1","1") = "6"
    & skf21("6","3","7","4","2","6","2","1") = "6"
    & skf21("6","3","7","4","2","6","3","1") = "6"
    & skf21("6","3","7","4","2","6","4","1") = "6"
    & skf21("6","3","7","4","2","6","5","1") = "6"
    & skf21("6","3","7","4","2","6","6","1") = "6"
    & skf21("6","3","7","4","2","6","7","1") = "6"
    & skf21("6","3","7","4","2","7","1","1") = "6"
    & skf21("6","3","7","4","2","7","2","1") = "6"
    & skf21("6","3","7","4","2","7","3","1") = "6"
    & skf21("6","3","7","4","2","7","4","1") = "6"
    & skf21("6","3","7","4","2","7","5","1") = "6"
    & skf21("6","3","7","4","2","7","6","1") = "6"
    & skf21("6","3","7","4","2","7","7","1") = "6"
    & skf21("6","3","7","4","3","1","1","1") = "6"
    & skf21("6","3","7","4","3","1","2","1") = "6"
    & skf21("6","3","7","4","3","1","3","1") = "6"
    & skf21("6","3","7","4","3","1","4","1") = "6"
    & skf21("6","3","7","4","3","1","5","1") = "6"
    & skf21("6","3","7","4","3","1","6","1") = "6"
    & skf21("6","3","7","4","3","1","7","1") = "6"
    & skf21("6","3","7","4","3","2","1","1") = "6"
    & skf21("6","3","7","4","3","2","2","1") = "6"
    & skf21("6","3","7","4","3","2","3","1") = "6"
    & skf21("6","3","7","4","3","2","4","1") = "6"
    & skf21("6","3","7","4","3","2","5","1") = "6"
    & skf21("6","3","7","4","3","2","6","1") = "6"
    & skf21("6","3","7","4","3","2","7","1") = "6"
    & skf21("6","3","7","4","3","3","1","1") = "6"
    & skf21("6","3","7","4","3","3","2","1") = "6"
    & skf21("6","3","7","4","3","3","3","1") = "6"
    & skf21("6","3","7","4","3","3","4","1") = "6"
    & skf21("6","3","7","4","3","3","5","1") = "6"
    & skf21("6","3","7","4","3","3","6","1") = "6"
    & skf21("6","3","7","4","3","3","7","1") = "6"
    & skf21("6","3","7","4","3","4","1","1") = "6"
    & skf21("6","3","7","4","3","4","2","1") = "6"
    & skf21("6","3","7","4","3","4","3","1") = "6"
    & skf21("6","3","7","4","3","4","4","1") = "6"
    & skf21("6","3","7","4","3","4","5","1") = "6"
    & skf21("6","3","7","4","3","4","6","1") = "6"
    & skf21("6","3","7","4","3","4","7","1") = "6"
    & skf21("6","3","7","4","3","5","1","1") = "6"
    & skf21("6","3","7","4","3","5","2","1") = "6"
    & skf21("6","3","7","4","3","5","3","1") = "6"
    & skf21("6","3","7","4","3","5","4","1") = "6"
    & skf21("6","3","7","4","3","5","5","1") = "6"
    & skf21("6","3","7","4","3","5","6","1") = "6"
    & skf21("6","3","7","4","3","5","7","1") = "6"
    & skf21("6","3","7","4","3","6","1","1") = "6"
    & skf21("6","3","7","4","3","6","2","1") = "6"
    & skf21("6","3","7","4","3","6","3","1") = "6"
    & skf21("6","3","7","4","3","6","4","1") = "6"
    & skf21("6","3","7","4","3","6","5","1") = "6"
    & skf21("6","3","7","4","3","6","6","1") = "6"
    & skf21("6","3","7","4","3","6","7","1") = "6"
    & skf21("6","3","7","4","3","7","1","1") = "6"
    & skf21("6","3","7","4","3","7","2","1") = "6"
    & skf21("6","3","7","4","3","7","3","1") = "6"
    & skf21("6","3","7","4","3","7","4","1") = "6"
    & skf21("6","3","7","4","3","7","5","1") = "6"
    & skf21("6","3","7","4","3","7","6","1") = "6"
    & skf21("6","3","7","4","3","7","7","1") = "6"
    & skf21("6","3","7","4","4","1","1","1") = "6"
    & skf21("6","3","7","4","4","1","2","1") = "6"
    & skf21("6","3","7","4","4","1","3","1") = "6"
    & skf21("6","3","7","4","4","1","4","1") = "6"
    & skf21("6","3","7","4","4","1","5","1") = "6"
    & skf21("6","3","7","4","4","1","6","1") = "6"
    & skf21("6","3","7","4","4","1","7","1") = "6"
    & skf21("6","3","7","4","4","2","1","1") = "6"
    & skf21("6","3","7","4","4","2","2","1") = "6"
    & skf21("6","3","7","4","4","2","3","1") = "6"
    & skf21("6","3","7","4","4","2","4","1") = "6"
    & skf21("6","3","7","4","4","2","5","1") = "6"
    & skf21("6","3","7","4","4","2","6","1") = "6"
    & skf21("6","3","7","4","4","2","7","1") = "6"
    & skf21("6","3","7","4","4","3","1","1") = "6"
    & skf21("6","3","7","4","4","3","2","1") = "6"
    & skf21("6","3","7","4","4","3","3","1") = "6"
    & skf21("6","3","7","4","4","3","4","1") = "6"
    & skf21("6","3","7","4","4","3","5","1") = "6"
    & skf21("6","3","7","4","4","3","6","1") = "6"
    & skf21("6","3","7","4","4","3","7","1") = "6"
    & skf21("6","3","7","4","4","4","1","1") = "6"
    & skf21("6","3","7","4","4","4","2","1") = "6"
    & skf21("6","3","7","4","4","4","3","1") = "6"
    & skf21("6","3","7","4","4","4","4","1") = "6"
    & skf21("6","3","7","4","4","4","5","1") = "6"
    & skf21("6","3","7","4","4","4","6","1") = "6"
    & skf21("6","3","7","4","4","4","7","1") = "6"
    & skf21("6","3","7","4","4","5","1","1") = "6"
    & skf21("6","3","7","4","4","5","2","1") = "6"
    & skf21("6","3","7","4","4","5","3","1") = "6"
    & skf21("6","3","7","4","4","5","4","1") = "6"
    & skf21("6","3","7","4","4","5","5","1") = "6"
    & skf21("6","3","7","4","4","5","6","1") = "6"
    & skf21("6","3","7","4","4","5","7","1") = "6"
    & skf21("6","3","7","4","4","6","1","1") = "6"
    & skf21("6","3","7","4","4","6","2","1") = "6"
    & skf21("6","3","7","4","4","6","3","1") = "6"
    & skf21("6","3","7","4","4","6","4","1") = "6"
    & skf21("6","3","7","4","4","6","5","1") = "6"
    & skf21("6","3","7","4","4","6","6","1") = "6"
    & skf21("6","3","7","4","4","6","7","1") = "6"
    & skf21("6","3","7","4","4","7","1","1") = "6"
    & skf21("6","3","7","4","4","7","2","1") = "6"
    & skf21("6","3","7","4","4","7","3","1") = "6"
    & skf21("6","3","7","4","4","7","4","1") = "6"
    & skf21("6","3","7","4","4","7","5","1") = "6"
    & skf21("6","3","7","4","4","7","6","1") = "6"
    & skf21("6","3","7","4","4","7","7","1") = "6"
    & skf21("6","3","7","4","5","1","1","1") = "6"
    & skf21("6","3","7","4","5","1","2","1") = "6"
    & skf21("6","3","7","4","5","1","3","1") = "6"
    & skf21("6","3","7","4","5","1","4","1") = "6"
    & skf21("6","3","7","4","5","1","5","1") = "6"
    & skf21("6","3","7","4","5","1","6","1") = "6"
    & skf21("6","3","7","4","5","1","7","1") = "6"
    & skf21("6","3","7","4","5","2","1","1") = "6"
    & skf21("6","3","7","4","5","2","2","1") = "6"
    & skf21("6","3","7","4","5","2","3","1") = "6"
    & skf21("6","3","7","4","5","2","4","1") = "6"
    & skf21("6","3","7","4","5","2","5","1") = "6"
    & skf21("6","3","7","4","5","2","6","1") = "6"
    & skf21("6","3","7","4","5","2","7","1") = "6"
    & skf21("6","3","7","4","5","3","1","1") = "6"
    & skf21("6","3","7","4","5","3","2","1") = "6"
    & skf21("6","3","7","4","5","3","3","1") = "6"
    & skf21("6","3","7","4","5","3","4","1") = "6"
    & skf21("6","3","7","4","5","3","5","1") = "6"
    & skf21("6","3","7","4","5","3","6","1") = "6"
    & skf21("6","3","7","4","5","3","7","1") = "6"
    & skf21("6","3","7","4","5","4","1","1") = "6"
    & skf21("6","3","7","4","5","4","2","1") = "6"
    & skf21("6","3","7","4","5","4","3","1") = "6"
    & skf21("6","3","7","4","5","4","4","1") = "6"
    & skf21("6","3","7","4","5","4","5","1") = "6"
    & skf21("6","3","7","4","5","4","6","1") = "6"
    & skf21("6","3","7","4","5","4","7","1") = "6"
    & skf21("6","3","7","4","5","5","1","1") = "6"
    & skf21("6","3","7","4","5","5","2","1") = "6"
    & skf21("6","3","7","4","5","5","3","1") = "6"
    & skf21("6","3","7","4","5","5","4","1") = "6"
    & skf21("6","3","7","4","5","5","5","1") = "6"
    & skf21("6","3","7","4","5","5","6","1") = "6"
    & skf21("6","3","7","4","5","5","7","1") = "6"
    & skf21("6","3","7","4","5","6","1","1") = "6"
    & skf21("6","3","7","4","5","6","2","1") = "6"
    & skf21("6","3","7","4","5","6","3","1") = "6"
    & skf21("6","3","7","4","5","6","4","1") = "6"
    & skf21("6","3","7","4","5","6","5","1") = "6"
    & skf21("6","3","7","4","5","6","6","1") = "6"
    & skf21("6","3","7","4","5","6","7","1") = "6"
    & skf21("6","3","7","4","5","7","1","1") = "6"
    & skf21("6","3","7","4","5","7","2","1") = "6"
    & skf21("6","3","7","4","5","7","3","1") = "6"
    & skf21("6","3","7","4","5","7","4","1") = "6"
    & skf21("6","3","7","4","5","7","5","1") = "6"
    & skf21("6","3","7","4","5","7","6","1") = "6"
    & skf21("6","3","7","4","5","7","7","1") = "6"
    & skf21("6","3","7","4","6","1","1","1") = "6"
    & skf21("6","3","7","4","6","1","2","1") = "6"
    & skf21("6","3","7","4","6","1","3","1") = "6"
    & skf21("6","3","7","4","6","1","4","1") = "6"
    & skf21("6","3","7","4","6","1","5","1") = "6"
    & skf21("6","3","7","4","6","1","6","1") = "6"
    & skf21("6","3","7","4","6","1","7","1") = "6"
    & skf21("6","3","7","4","6","2","1","1") = "6"
    & skf21("6","3","7","4","6","2","2","1") = "6"
    & skf21("6","3","7","4","6","2","3","1") = "6"
    & skf21("6","3","7","4","6","2","4","1") = "6"
    & skf21("6","3","7","4","6","2","5","1") = "6"
    & skf21("6","3","7","4","6","2","6","1") = "6"
    & skf21("6","3","7","4","6","2","7","1") = "6"
    & skf21("6","3","7","4","6","3","1","1") = "6"
    & skf21("6","3","7","4","6","3","2","1") = "6"
    & skf21("6","3","7","4","6","3","3","1") = "6"
    & skf21("6","3","7","4","6","3","4","1") = "6"
    & skf21("6","3","7","4","6","3","5","1") = "6"
    & skf21("6","3","7","4","6","3","6","1") = "6"
    & skf21("6","3","7","4","6","3","7","1") = "6"
    & skf21("6","3","7","4","6","4","1","1") = "6"
    & skf21("6","3","7","4","6","4","2","1") = "6"
    & skf21("6","3","7","4","6","4","3","1") = "6"
    & skf21("6","3","7","4","6","4","4","1") = "6"
    & skf21("6","3","7","4","6","4","5","1") = "6"
    & skf21("6","3","7","4","6","4","6","1") = "6"
    & skf21("6","3","7","4","6","4","7","1") = "6"
    & skf21("6","3","7","4","6","5","1","1") = "6"
    & skf21("6","3","7","4","6","5","2","1") = "6"
    & skf21("6","3","7","4","6","5","3","1") = "6"
    & skf21("6","3","7","4","6","5","4","1") = "6"
    & skf21("6","3","7","4","6","5","5","1") = "6"
    & skf21("6","3","7","4","6","5","6","1") = "6"
    & skf21("6","3","7","4","6","5","7","1") = "6"
    & skf21("6","3","7","4","6","6","1","1") = "6"
    & skf21("6","3","7","4","6","6","2","1") = "6"
    & skf21("6","3","7","4","6","6","3","1") = "6"
    & skf21("6","3","7","4","6","6","4","1") = "6"
    & skf21("6","3","7","4","6","6","5","1") = "6"
    & skf21("6","3","7","4","6","6","6","1") = "6"
    & skf21("6","3","7","4","6","6","7","1") = "6"
    & skf21("6","3","7","4","6","7","1","1") = "6"
    & skf21("6","3","7","4","6","7","2","1") = "6"
    & skf21("6","3","7","4","6","7","3","1") = "6"
    & skf21("6","3","7","4","6","7","4","1") = "6"
    & skf21("6","3","7","4","6","7","5","1") = "6"
    & skf21("6","3","7","4","6","7","6","1") = "6"
    & skf21("6","3","7","4","6","7","7","1") = "6"
    & skf21("6","3","7","4","7","1","1","1") = "6"
    & skf21("6","3","7","4","7","1","2","1") = "6"
    & skf21("6","3","7","4","7","1","3","1") = "6"
    & skf21("6","3","7","4","7","1","4","1") = "6"
    & skf21("6","3","7","4","7","1","5","1") = "6"
    & skf21("6","3","7","4","7","1","6","1") = "6"
    & skf21("6","3","7","4","7","1","7","1") = "6"
    & skf21("6","3","7","4","7","2","1","1") = "6"
    & skf21("6","3","7","4","7","2","2","1") = "6"
    & skf21("6","3","7","4","7","2","3","1") = "6"
    & skf21("6","3","7","4","7","2","4","1") = "6"
    & skf21("6","3","7","4","7","2","5","1") = "6"
    & skf21("6","3","7","4","7","2","6","1") = "6"
    & skf21("6","3","7","4","7","2","7","1") = "6"
    & skf21("6","3","7","4","7","3","1","1") = "6"
    & skf21("6","3","7","4","7","3","2","1") = "6"
    & skf21("6","3","7","4","7","3","3","1") = "6"
    & skf21("6","3","7","4","7","3","4","1") = "6"
    & skf21("6","3","7","4","7","3","5","1") = "6"
    & skf21("6","3","7","4","7","3","6","1") = "6"
    & skf21("6","3","7","4","7","3","7","1") = "6"
    & skf21("6","3","7","4","7","4","1","1") = "6"
    & skf21("6","3","7","4","7","4","2","1") = "6"
    & skf21("6","3","7","4","7","4","3","1") = "6"
    & skf21("6","3","7","4","7","4","4","1") = "6"
    & skf21("6","3","7","4","7","4","5","1") = "6"
    & skf21("6","3","7","4","7","4","6","1") = "6"
    & skf21("6","3","7","4","7","4","7","1") = "6"
    & skf21("6","3","7","4","7","5","1","1") = "6"
    & skf21("6","3","7","4","7","5","2","1") = "6"
    & skf21("6","3","7","4","7","5","3","1") = "6"
    & skf21("6","3","7","4","7","5","4","1") = "6"
    & skf21("6","3","7","4","7","5","5","1") = "6"
    & skf21("6","3","7","4","7","5","6","1") = "6"
    & skf21("6","3","7","4","7","5","7","1") = "6"
    & skf21("6","3","7","4","7","6","1","1") = "6"
    & skf21("6","3","7","4","7","6","2","1") = "6"
    & skf21("6","3","7","4","7","6","3","1") = "6"
    & skf21("6","3","7","4","7","6","4","1") = "6"
    & skf21("6","3","7","4","7","6","5","1") = "6"
    & skf21("6","3","7","4","7","6","6","1") = "6"
    & skf21("6","3","7","4","7","6","7","1") = "6"
    & skf21("6","3","7","4","7","7","1","1") = "6"
    & skf21("6","3","7","4","7","7","2","1") = "6"
    & skf21("6","3","7","4","7","7","3","1") = "6"
    & skf21("6","3","7","4","7","7","4","1") = "6"
    & skf21("6","3","7","4","7","7","5","1") = "6"
    & skf21("6","3","7","4","7","7","6","1") = "6"
    & skf21("6","3","7","4","7","7","7","1") = "6"
    & skf21("6","3","7","5","1","1","1","1") = "6"
    & skf21("6","3","7","5","1","1","2","1") = "6"
    & skf21("6","3","7","5","1","1","3","1") = "6"
    & skf21("6","3","7","5","1","1","4","1") = "6"
    & skf21("6","3","7","5","1","1","5","1") = "6"
    & skf21("6","3","7","5","1","1","6","1") = "6"
    & skf21("6","3","7","5","1","1","7","1") = "6"
    & skf21("6","3","7","5","1","2","1","1") = "6"
    & skf21("6","3","7","5","1","2","2","1") = "6"
    & skf21("6","3","7","5","1","2","3","1") = "6"
    & skf21("6","3","7","5","1","2","4","1") = "6"
    & skf21("6","3","7","5","1","2","5","1") = "6"
    & skf21("6","3","7","5","1","2","6","1") = "6"
    & skf21("6","3","7","5","1","2","7","1") = "6"
    & skf21("6","3","7","5","1","3","1","1") = "6"
    & skf21("6","3","7","5","1","3","2","1") = "6"
    & skf21("6","3","7","5","1","3","3","1") = "6"
    & skf21("6","3","7","5","1","3","4","1") = "6"
    & skf21("6","3","7","5","1","3","5","1") = "6"
    & skf21("6","3","7","5","1","3","6","1") = "6"
    & skf21("6","3","7","5","1","3","7","1") = "6"
    & skf21("6","3","7","5","1","4","1","1") = "6"
    & skf21("6","3","7","5","1","4","2","1") = "6"
    & skf21("6","3","7","5","1","4","3","1") = "6"
    & skf21("6","3","7","5","1","4","4","1") = "6"
    & skf21("6","3","7","5","1","4","5","1") = "6"
    & skf21("6","3","7","5","1","4","6","1") = "6"
    & skf21("6","3","7","5","1","4","7","1") = "6"
    & skf21("6","3","7","5","1","5","1","1") = "6"
    & skf21("6","3","7","5","1","5","2","1") = "6"
    & skf21("6","3","7","5","1","5","3","1") = "6"
    & skf21("6","3","7","5","1","5","4","1") = "6"
    & skf21("6","3","7","5","1","5","5","1") = "6"
    & skf21("6","3","7","5","1","5","6","1") = "6"
    & skf21("6","3","7","5","1","5","7","1") = "6"
    & skf21("6","3","7","5","1","6","1","1") = "6"
    & skf21("6","3","7","5","1","6","2","1") = "6"
    & skf21("6","3","7","5","1","6","3","1") = "6"
    & skf21("6","3","7","5","1","6","4","1") = "6"
    & skf21("6","3","7","5","1","6","5","1") = "6"
    & skf21("6","3","7","5","1","6","6","1") = "6"
    & skf21("6","3","7","5","1","6","7","1") = "6"
    & skf21("6","3","7","5","1","7","1","1") = "6"
    & skf21("6","3","7","5","1","7","2","1") = "6"
    & skf21("6","3","7","5","1","7","3","1") = "6"
    & skf21("6","3","7","5","1","7","4","1") = "6"
    & skf21("6","3","7","5","1","7","5","1") = "6"
    & skf21("6","3","7","5","1","7","6","1") = "6"
    & skf21("6","3","7","5","1","7","7","1") = "6"
    & skf21("6","3","7","5","2","1","1","1") = "6"
    & skf21("6","3","7","5","2","1","2","1") = "6"
    & skf21("6","3","7","5","2","1","3","1") = "6"
    & skf21("6","3","7","5","2","1","4","1") = "6"
    & skf21("6","3","7","5","2","1","5","1") = "6"
    & skf21("6","3","7","5","2","1","6","1") = "6"
    & skf21("6","3","7","5","2","1","7","1") = "6"
    & skf21("6","3","7","5","2","2","1","1") = "6"
    & skf21("6","3","7","5","2","2","2","1") = "6"
    & skf21("6","3","7","5","2","2","3","1") = "6"
    & skf21("6","3","7","5","2","2","4","1") = "6"
    & skf21("6","3","7","5","2","2","5","1") = "6"
    & skf21("6","3","7","5","2","2","6","1") = "6"
    & skf21("6","3","7","5","2","2","7","1") = "6"
    & skf21("6","3","7","5","2","3","1","1") = "6"
    & skf21("6","3","7","5","2","3","2","1") = "6"
    & skf21("6","3","7","5","2","3","3","1") = "6"
    & skf21("6","3","7","5","2","3","4","1") = "6"
    & skf21("6","3","7","5","2","3","5","1") = "6"
    & skf21("6","3","7","5","2","3","6","1") = "6"
    & skf21("6","3","7","5","2","3","7","1") = "6"
    & skf21("6","3","7","5","2","4","1","1") = "6"
    & skf21("6","3","7","5","2","4","2","1") = "6"
    & skf21("6","3","7","5","2","4","3","1") = "6"
    & skf21("6","3","7","5","2","4","4","1") = "6"
    & skf21("6","3","7","5","2","4","5","1") = "6"
    & skf21("6","3","7","5","2","4","6","1") = "6"
    & skf21("6","3","7","5","2","4","7","1") = "6"
    & skf21("6","3","7","5","2","5","1","1") = "6"
    & skf21("6","3","7","5","2","5","2","1") = "6"
    & skf21("6","3","7","5","2","5","3","1") = "6"
    & skf21("6","3","7","5","2","5","4","1") = "6"
    & skf21("6","3","7","5","2","5","5","1") = "6"
    & skf21("6","3","7","5","2","5","6","1") = "6"
    & skf21("6","3","7","5","2","5","7","1") = "6"
    & skf21("6","3","7","5","2","6","1","1") = "6"
    & skf21("6","3","7","5","2","6","2","1") = "6"
    & skf21("6","3","7","5","2","6","3","1") = "6"
    & skf21("6","3","7","5","2","6","4","1") = "6"
    & skf21("6","3","7","5","2","6","5","1") = "6"
    & skf21("6","3","7","5","2","6","6","1") = "6"
    & skf21("6","3","7","5","2","6","7","1") = "6"
    & skf21("6","3","7","5","2","7","1","1") = "6"
    & skf21("6","3","7","5","2","7","2","1") = "6"
    & skf21("6","3","7","5","2","7","3","1") = "6"
    & skf21("6","3","7","5","2","7","4","1") = "6"
    & skf21("6","3","7","5","2","7","5","1") = "6"
    & skf21("6","3","7","5","2","7","6","1") = "6"
    & skf21("6","3","7","5","2","7","7","1") = "6"
    & skf21("6","3","7","5","3","1","1","1") = "6"
    & skf21("6","3","7","5","3","1","2","1") = "6"
    & skf21("6","3","7","5","3","1","3","1") = "6"
    & skf21("6","3","7","5","3","1","4","1") = "6"
    & skf21("6","3","7","5","3","1","5","1") = "6"
    & skf21("6","3","7","5","3","1","6","1") = "6"
    & skf21("6","3","7","5","3","1","7","1") = "6"
    & skf21("6","3","7","5","3","2","1","1") = "6"
    & skf21("6","3","7","5","3","2","2","1") = "6"
    & skf21("6","3","7","5","3","2","3","1") = "6"
    & skf21("6","3","7","5","3","2","4","1") = "6"
    & skf21("6","3","7","5","3","2","5","1") = "6"
    & skf21("6","3","7","5","3","2","6","1") = "6"
    & skf21("6","3","7","5","3","2","7","1") = "6"
    & skf21("6","3","7","5","3","3","1","1") = "6"
    & skf21("6","3","7","5","3","3","2","1") = "6"
    & skf21("6","3","7","5","3","3","3","1") = "6"
    & skf21("6","3","7","5","3","3","4","1") = "6"
    & skf21("6","3","7","5","3","3","5","1") = "6"
    & skf21("6","3","7","5","3","3","6","1") = "6"
    & skf21("6","3","7","5","3","3","7","1") = "6"
    & skf21("6","3","7","5","3","4","1","1") = "6"
    & skf21("6","3","7","5","3","4","2","1") = "6"
    & skf21("6","3","7","5","3","4","3","1") = "6"
    & skf21("6","3","7","5","3","4","4","1") = "6"
    & skf21("6","3","7","5","3","4","5","1") = "6"
    & skf21("6","3","7","5","3","4","6","1") = "6"
    & skf21("6","3","7","5","3","4","7","1") = "6"
    & skf21("6","3","7","5","3","5","1","1") = "6"
    & skf21("6","3","7","5","3","5","2","1") = "6"
    & skf21("6","3","7","5","3","5","3","1") = "6"
    & skf21("6","3","7","5","3","5","4","1") = "6"
    & skf21("6","3","7","5","3","5","5","1") = "6"
    & skf21("6","3","7","5","3","5","6","1") = "6"
    & skf21("6","3","7","5","3","5","7","1") = "6"
    & skf21("6","3","7","5","3","6","1","1") = "6"
    & skf21("6","3","7","5","3","6","2","1") = "6"
    & skf21("6","3","7","5","3","6","3","1") = "6"
    & skf21("6","3","7","5","3","6","4","1") = "6"
    & skf21("6","3","7","5","3","6","5","1") = "6"
    & skf21("6","3","7","5","3","6","6","1") = "6"
    & skf21("6","3","7","5","3","6","7","1") = "6"
    & skf21("6","3","7","5","3","7","1","1") = "6"
    & skf21("6","3","7","5","3","7","2","1") = "6"
    & skf21("6","3","7","5","3","7","3","1") = "6"
    & skf21("6","3","7","5","3","7","4","1") = "6"
    & skf21("6","3","7","5","3","7","5","1") = "6"
    & skf21("6","3","7","5","3","7","6","1") = "6"
    & skf21("6","3","7","5","3","7","7","1") = "6"
    & skf21("6","3","7","5","4","1","1","1") = "6"
    & skf21("6","3","7","5","4","1","2","1") = "6"
    & skf21("6","3","7","5","4","1","3","1") = "6"
    & skf21("6","3","7","5","4","1","4","1") = "6"
    & skf21("6","3","7","5","4","1","5","1") = "6"
    & skf21("6","3","7","5","4","1","6","1") = "6"
    & skf21("6","3","7","5","4","1","7","1") = "6"
    & skf21("6","3","7","5","4","2","1","1") = "6"
    & skf21("6","3","7","5","4","2","2","1") = "6"
    & skf21("6","3","7","5","4","2","3","1") = "6"
    & skf21("6","3","7","5","4","2","4","1") = "6"
    & skf21("6","3","7","5","4","2","5","1") = "6"
    & skf21("6","3","7","5","4","2","6","1") = "6"
    & skf21("6","3","7","5","4","2","7","1") = "6"
    & skf21("6","3","7","5","4","3","1","1") = "6"
    & skf21("6","3","7","5","4","3","2","1") = "6"
    & skf21("6","3","7","5","4","3","3","1") = "6"
    & skf21("6","3","7","5","4","3","4","1") = "6"
    & skf21("6","3","7","5","4","3","5","1") = "6"
    & skf21("6","3","7","5","4","3","6","1") = "6"
    & skf21("6","3","7","5","4","3","7","1") = "6"
    & skf21("6","3","7","5","4","4","1","1") = "6"
    & skf21("6","3","7","5","4","4","2","1") = "6"
    & skf21("6","3","7","5","4","4","3","1") = "6"
    & skf21("6","3","7","5","4","4","4","1") = "6"
    & skf21("6","3","7","5","4","4","5","1") = "6"
    & skf21("6","3","7","5","4","4","6","1") = "6"
    & skf21("6","3","7","5","4","4","7","1") = "6"
    & skf21("6","3","7","5","4","5","1","1") = "6"
    & skf21("6","3","7","5","4","5","2","1") = "6"
    & skf21("6","3","7","5","4","5","3","1") = "6"
    & skf21("6","3","7","5","4","5","4","1") = "6"
    & skf21("6","3","7","5","4","5","5","1") = "6"
    & skf21("6","3","7","5","4","5","6","1") = "6"
    & skf21("6","3","7","5","4","5","7","1") = "6"
    & skf21("6","3","7","5","4","6","1","1") = "6"
    & skf21("6","3","7","5","4","6","2","1") = "6"
    & skf21("6","3","7","5","4","6","3","1") = "6"
    & skf21("6","3","7","5","4","6","4","1") = "6"
    & skf21("6","3","7","5","4","6","5","1") = "6"
    & skf21("6","3","7","5","4","6","6","1") = "6"
    & skf21("6","3","7","5","4","6","7","1") = "6"
    & skf21("6","3","7","5","4","7","1","1") = "6"
    & skf21("6","3","7","5","4","7","2","1") = "6"
    & skf21("6","3","7","5","4","7","3","1") = "6"
    & skf21("6","3","7","5","4","7","4","1") = "6"
    & skf21("6","3","7","5","4","7","5","1") = "6"
    & skf21("6","3","7","5","4","7","6","1") = "6"
    & skf21("6","3","7","5","4","7","7","1") = "6"
    & skf21("6","3","7","5","5","1","1","1") = "6"
    & skf21("6","3","7","5","5","1","2","1") = "6"
    & skf21("6","3","7","5","5","1","3","1") = "6"
    & skf21("6","3","7","5","5","1","4","1") = "6"
    & skf21("6","3","7","5","5","1","5","1") = "6"
    & skf21("6","3","7","5","5","1","6","1") = "6"
    & skf21("6","3","7","5","5","1","7","1") = "6"
    & skf21("6","3","7","5","5","2","1","1") = "6"
    & skf21("6","3","7","5","5","2","2","1") = "6"
    & skf21("6","3","7","5","5","2","3","1") = "6"
    & skf21("6","3","7","5","5","2","4","1") = "6"
    & skf21("6","3","7","5","5","2","5","1") = "6"
    & skf21("6","3","7","5","5","2","6","1") = "6"
    & skf21("6","3","7","5","5","2","7","1") = "6"
    & skf21("6","3","7","5","5","3","1","1") = "6"
    & skf21("6","3","7","5","5","3","2","1") = "6"
    & skf21("6","3","7","5","5","3","3","1") = "6"
    & skf21("6","3","7","5","5","3","4","1") = "6"
    & skf21("6","3","7","5","5","3","5","1") = "6"
    & skf21("6","3","7","5","5","3","6","1") = "6"
    & skf21("6","3","7","5","5","3","7","1") = "6"
    & skf21("6","3","7","5","5","4","1","1") = "6"
    & skf21("6","3","7","5","5","4","2","1") = "6"
    & skf21("6","3","7","5","5","4","3","1") = "6"
    & skf21("6","3","7","5","5","4","4","1") = "6"
    & skf21("6","3","7","5","5","4","5","1") = "6"
    & skf21("6","3","7","5","5","4","6","1") = "6"
    & skf21("6","3","7","5","5","4","7","1") = "6"
    & skf21("6","3","7","5","5","5","1","1") = "6"
    & skf21("6","3","7","5","5","5","2","1") = "6"
    & skf21("6","3","7","5","5","5","3","1") = "6"
    & skf21("6","3","7","5","5","5","4","1") = "6"
    & skf21("6","3","7","5","5","5","5","1") = "6"
    & skf21("6","3","7","5","5","5","6","1") = "6"
    & skf21("6","3","7","5","5","5","7","1") = "6"
    & skf21("6","3","7","5","5","6","1","1") = "6"
    & skf21("6","3","7","5","5","6","2","1") = "6"
    & skf21("6","3","7","5","5","6","3","1") = "6"
    & skf21("6","3","7","5","5","6","4","1") = "6"
    & skf21("6","3","7","5","5","6","5","1") = "6"
    & skf21("6","3","7","5","5","6","6","1") = "6"
    & skf21("6","3","7","5","5","6","7","1") = "6"
    & skf21("6","3","7","5","5","7","1","1") = "6"
    & skf21("6","3","7","5","5","7","2","1") = "6"
    & skf21("6","3","7","5","5","7","3","1") = "6"
    & skf21("6","3","7","5","5","7","4","1") = "6"
    & skf21("6","3","7","5","5","7","5","1") = "6"
    & skf21("6","3","7","5","5","7","6","1") = "6"
    & skf21("6","3","7","5","5","7","7","1") = "6"
    & skf21("6","3","7","5","6","1","1","1") = "6"
    & skf21("6","3","7","5","6","1","2","1") = "6"
    & skf21("6","3","7","5","6","1","3","1") = "6"
    & skf21("6","3","7","5","6","1","4","1") = "6"
    & skf21("6","3","7","5","6","1","5","1") = "6"
    & skf21("6","3","7","5","6","1","6","1") = "6"
    & skf21("6","3","7","5","6","1","7","1") = "6"
    & skf21("6","3","7","5","6","2","1","1") = "6"
    & skf21("6","3","7","5","6","2","2","1") = "6"
    & skf21("6","3","7","5","6","2","3","1") = "6"
    & skf21("6","3","7","5","6","2","4","1") = "6"
    & skf21("6","3","7","5","6","2","5","1") = "6"
    & skf21("6","3","7","5","6","2","6","1") = "6"
    & skf21("6","3","7","5","6","2","7","1") = "6"
    & skf21("6","3","7","5","6","3","1","1") = "6"
    & skf21("6","3","7","5","6","3","2","1") = "6"
    & skf21("6","3","7","5","6","3","3","1") = "6"
    & skf21("6","3","7","5","6","3","4","1") = "6"
    & skf21("6","3","7","5","6","3","5","1") = "6"
    & skf21("6","3","7","5","6","3","6","1") = "6"
    & skf21("6","3","7","5","6","3","7","1") = "6"
    & skf21("6","3","7","5","6","4","1","1") = "6"
    & skf21("6","3","7","5","6","4","2","1") = "6"
    & skf21("6","3","7","5","6","4","3","1") = "6"
    & skf21("6","3","7","5","6","4","4","1") = "6"
    & skf21("6","3","7","5","6","4","5","1") = "6"
    & skf21("6","3","7","5","6","4","6","1") = "6"
    & skf21("6","3","7","5","6","4","7","1") = "6"
    & skf21("6","3","7","5","6","5","1","1") = "6"
    & skf21("6","3","7","5","6","5","2","1") = "6"
    & skf21("6","3","7","5","6","5","3","1") = "6"
    & skf21("6","3","7","5","6","5","4","1") = "6"
    & skf21("6","3","7","5","6","5","5","1") = "6"
    & skf21("6","3","7","5","6","5","6","1") = "6"
    & skf21("6","3","7","5","6","5","7","1") = "6"
    & skf21("6","3","7","5","6","6","1","1") = "6"
    & skf21("6","3","7","5","6","6","2","1") = "6"
    & skf21("6","3","7","5","6","6","3","1") = "6"
    & skf21("6","3","7","5","6","6","4","1") = "6"
    & skf21("6","3","7","5","6","6","5","1") = "6"
    & skf21("6","3","7","5","6","6","6","1") = "6"
    & skf21("6","3","7","5","6","6","7","1") = "6"
    & skf21("6","3","7","5","6","7","1","1") = "6"
    & skf21("6","3","7","5","6","7","2","1") = "6"
    & skf21("6","3","7","5","6","7","3","1") = "6"
    & skf21("6","3","7","5","6","7","4","1") = "6"
    & skf21("6","3","7","5","6","7","5","1") = "6"
    & skf21("6","3","7","5","6","7","6","1") = "6"
    & skf21("6","3","7","5","6","7","7","1") = "6"
    & skf21("6","3","7","5","7","1","1","1") = "6"
    & skf21("6","3","7","5","7","1","2","1") = "6"
    & skf21("6","3","7","5","7","1","3","1") = "6"
    & skf21("6","3","7","5","7","1","4","1") = "6"
    & skf21("6","3","7","5","7","1","5","1") = "6"
    & skf21("6","3","7","5","7","1","6","1") = "6"
    & skf21("6","3","7","5","7","1","7","1") = "6"
    & skf21("6","3","7","5","7","2","1","1") = "6"
    & skf21("6","3","7","5","7","2","2","1") = "6"
    & skf21("6","3","7","5","7","2","3","1") = "6"
    & skf21("6","3","7","5","7","2","4","1") = "6"
    & skf21("6","3","7","5","7","2","5","1") = "6"
    & skf21("6","3","7","5","7","2","6","1") = "6"
    & skf21("6","3","7","5","7","2","7","1") = "6"
    & skf21("6","3","7","5","7","3","1","1") = "6"
    & skf21("6","3","7","5","7","3","2","1") = "6"
    & skf21("6","3","7","5","7","3","3","1") = "6"
    & skf21("6","3","7","5","7","3","4","1") = "6"
    & skf21("6","3","7","5","7","3","5","1") = "6"
    & skf21("6","3","7","5","7","3","6","1") = "6"
    & skf21("6","3","7","5","7","3","7","1") = "6"
    & skf21("6","3","7","5","7","4","1","1") = "6"
    & skf21("6","3","7","5","7","4","2","1") = "6"
    & skf21("6","3","7","5","7","4","3","1") = "6"
    & skf21("6","3","7","5","7","4","4","1") = "6"
    & skf21("6","3","7","5","7","4","5","1") = "6"
    & skf21("6","3","7","5","7","4","6","1") = "6"
    & skf21("6","3","7","5","7","4","7","1") = "6"
    & skf21("6","3","7","5","7","5","1","1") = "6"
    & skf21("6","3","7","5","7","5","2","1") = "6"
    & skf21("6","3","7","5","7","5","3","1") = "6"
    & skf21("6","3","7","5","7","5","4","1") = "6"
    & skf21("6","3","7","5","7","5","5","1") = "6"
    & skf21("6","3","7","5","7","5","6","1") = "6"
    & skf21("6","3","7","5","7","5","7","1") = "6"
    & skf21("6","3","7","5","7","6","1","1") = "6"
    & skf21("6","3","7","5","7","6","2","1") = "6"
    & skf21("6","3","7","5","7","6","3","1") = "6"
    & skf21("6","3","7","5","7","6","4","1") = "6"
    & skf21("6","3","7","5","7","6","5","1") = "6"
    & skf21("6","3","7","5","7","6","6","1") = "6"
    & skf21("6","3","7","5","7","6","7","1") = "6"
    & skf21("6","3","7","5","7","7","1","1") = "6"
    & skf21("6","3","7","5","7","7","2","1") = "6"
    & skf21("6","3","7","5","7","7","3","1") = "6"
    & skf21("6","3","7","5","7","7","4","1") = "6"
    & skf21("6","3","7","5","7","7","5","1") = "6"
    & skf21("6","3","7","5","7","7","6","1") = "6"
    & skf21("6","3","7","5","7","7","7","1") = "6"
    & skf21("6","3","7","6","1","1","1","1") = "6"
    & skf21("6","3","7","6","1","1","2","1") = "6"
    & skf21("6","3","7","6","1","1","3","1") = "6"
    & skf21("6","3","7","6","1","1","4","1") = "6"
    & skf21("6","3","7","6","1","1","5","1") = "6"
    & skf21("6","3","7","6","1","1","6","1") = "6"
    & skf21("6","3","7","6","1","1","7","1") = "6"
    & skf21("6","3","7","6","1","2","1","1") = "6"
    & skf21("6","3","7","6","1","2","2","1") = "6"
    & skf21("6","3","7","6","1","2","3","1") = "6"
    & skf21("6","3","7","6","1","2","4","1") = "6"
    & skf21("6","3","7","6","1","2","5","1") = "6"
    & skf21("6","3","7","6","1","2","6","1") = "6"
    & skf21("6","3","7","6","1","2","7","1") = "6"
    & skf21("6","3","7","6","1","3","1","1") = "6"
    & skf21("6","3","7","6","1","3","2","1") = "6"
    & skf21("6","3","7","6","1","3","3","1") = "6"
    & skf21("6","3","7","6","1","3","4","1") = "6"
    & skf21("6","3","7","6","1","3","5","1") = "6"
    & skf21("6","3","7","6","1","3","6","1") = "6"
    & skf21("6","3","7","6","1","3","7","1") = "6"
    & skf21("6","3","7","6","1","4","1","1") = "6"
    & skf21("6","3","7","6","1","4","2","1") = "6"
    & skf21("6","3","7","6","1","4","3","1") = "6"
    & skf21("6","3","7","6","1","4","4","1") = "6"
    & skf21("6","3","7","6","1","4","5","1") = "6"
    & skf21("6","3","7","6","1","4","6","1") = "6"
    & skf21("6","3","7","6","1","4","7","1") = "6"
    & skf21("6","3","7","6","1","5","1","1") = "6"
    & skf21("6","3","7","6","1","5","2","1") = "6"
    & skf21("6","3","7","6","1","5","3","1") = "6"
    & skf21("6","3","7","6","1","5","4","1") = "6"
    & skf21("6","3","7","6","1","5","5","1") = "6"
    & skf21("6","3","7","6","1","5","6","1") = "6"
    & skf21("6","3","7","6","1","5","7","1") = "6"
    & skf21("6","3","7","6","1","6","1","1") = "6"
    & skf21("6","3","7","6","1","6","2","1") = "6"
    & skf21("6","3","7","6","1","6","3","1") = "6"
    & skf21("6","3","7","6","1","6","4","1") = "6"
    & skf21("6","3","7","6","1","6","5","1") = "6"
    & skf21("6","3","7","6","1","6","6","1") = "6"
    & skf21("6","3","7","6","1","6","7","1") = "6"
    & skf21("6","3","7","6","1","7","1","1") = "6"
    & skf21("6","3","7","6","1","7","2","1") = "6"
    & skf21("6","3","7","6","1","7","3","1") = "6"
    & skf21("6","3","7","6","1","7","4","1") = "6"
    & skf21("6","3","7","6","1","7","5","1") = "6"
    & skf21("6","3","7","6","1","7","6","1") = "6"
    & skf21("6","3","7","6","1","7","7","1") = "6"
    & skf21("6","3","7","6","2","1","1","1") = "6"
    & skf21("6","3","7","6","2","1","2","1") = "6"
    & skf21("6","3","7","6","2","1","3","1") = "6"
    & skf21("6","3","7","6","2","1","4","1") = "6"
    & skf21("6","3","7","6","2","1","5","1") = "6"
    & skf21("6","3","7","6","2","1","6","1") = "6"
    & skf21("6","3","7","6","2","1","7","1") = "6"
    & skf21("6","3","7","6","2","2","1","1") = "6"
    & skf21("6","3","7","6","2","2","2","1") = "6"
    & skf21("6","3","7","6","2","2","3","1") = "6"
    & skf21("6","3","7","6","2","2","4","1") = "6"
    & skf21("6","3","7","6","2","2","5","1") = "6"
    & skf21("6","3","7","6","2","2","6","1") = "6"
    & skf21("6","3","7","6","2","2","7","1") = "6"
    & skf21("6","3","7","6","2","3","1","1") = "6"
    & skf21("6","3","7","6","2","3","2","1") = "6"
    & skf21("6","3","7","6","2","3","3","1") = "6"
    & skf21("6","3","7","6","2","3","4","1") = "6"
    & skf21("6","3","7","6","2","3","5","1") = "6"
    & skf21("6","3","7","6","2","3","6","1") = "6"
    & skf21("6","3","7","6","2","3","7","1") = "6"
    & skf21("6","3","7","6","2","4","1","1") = "6"
    & skf21("6","3","7","6","2","4","2","1") = "6"
    & skf21("6","3","7","6","2","4","3","1") = "6"
    & skf21("6","3","7","6","2","4","4","1") = "6"
    & skf21("6","3","7","6","2","4","5","1") = "6"
    & skf21("6","3","7","6","2","4","6","1") = "6"
    & skf21("6","3","7","6","2","4","7","1") = "6"
    & skf21("6","3","7","6","2","5","1","1") = "6"
    & skf21("6","3","7","6","2","5","2","1") = "6"
    & skf21("6","3","7","6","2","5","3","1") = "6"
    & skf21("6","3","7","6","2","5","4","1") = "6"
    & skf21("6","3","7","6","2","5","5","1") = "6"
    & skf21("6","3","7","6","2","5","6","1") = "6"
    & skf21("6","3","7","6","2","5","7","1") = "6"
    & skf21("6","3","7","6","2","6","1","1") = "6"
    & skf21("6","3","7","6","2","6","2","1") = "6"
    & skf21("6","3","7","6","2","6","3","1") = "6"
    & skf21("6","3","7","6","2","6","4","1") = "6"
    & skf21("6","3","7","6","2","6","5","1") = "6"
    & skf21("6","3","7","6","2","6","6","1") = "6"
    & skf21("6","3","7","6","2","6","7","1") = "6"
    & skf21("6","3","7","6","2","7","1","1") = "6"
    & skf21("6","3","7","6","2","7","2","1") = "6"
    & skf21("6","3","7","6","2","7","3","1") = "6"
    & skf21("6","3","7","6","2","7","4","1") = "6"
    & skf21("6","3","7","6","2","7","5","1") = "6"
    & skf21("6","3","7","6","2","7","6","1") = "6"
    & skf21("6","3","7","6","2","7","7","1") = "6"
    & skf21("6","3","7","6","3","1","1","1") = "6"
    & skf21("6","3","7","6","3","1","2","1") = "6"
    & skf21("6","3","7","6","3","1","3","1") = "6"
    & skf21("6","3","7","6","3","1","4","1") = "6"
    & skf21("6","3","7","6","3","1","5","1") = "6"
    & skf21("6","3","7","6","3","1","6","1") = "6"
    & skf21("6","3","7","6","3","1","7","1") = "6"
    & skf21("6","3","7","6","3","2","1","1") = "6"
    & skf21("6","3","7","6","3","2","2","1") = "6"
    & skf21("6","3","7","6","3","2","3","1") = "6"
    & skf21("6","3","7","6","3","2","4","1") = "6"
    & skf21("6","3","7","6","3","2","5","1") = "6"
    & skf21("6","3","7","6","3","2","6","1") = "6"
    & skf21("6","3","7","6","3","2","7","1") = "6"
    & skf21("6","3","7","6","3","3","1","1") = "6"
    & skf21("6","3","7","6","3","3","2","1") = "6"
    & skf21("6","3","7","6","3","3","3","1") = "6"
    & skf21("6","3","7","6","3","3","4","1") = "6"
    & skf21("6","3","7","6","3","3","5","1") = "6"
    & skf21("6","3","7","6","3","3","6","1") = "6"
    & skf21("6","3","7","6","3","3","7","1") = "6"
    & skf21("6","3","7","6","3","4","1","1") = "6"
    & skf21("6","3","7","6","3","4","2","1") = "6"
    & skf21("6","3","7","6","3","4","3","1") = "6"
    & skf21("6","3","7","6","3","4","4","1") = "6"
    & skf21("6","3","7","6","3","4","5","1") = "6"
    & skf21("6","3","7","6","3","4","6","1") = "6"
    & skf21("6","3","7","6","3","4","7","1") = "6"
    & skf21("6","3","7","6","3","5","1","1") = "6"
    & skf21("6","3","7","6","3","5","2","1") = "6"
    & skf21("6","3","7","6","3","5","3","1") = "6"
    & skf21("6","3","7","6","3","5","4","1") = "6"
    & skf21("6","3","7","6","3","5","5","1") = "6"
    & skf21("6","3","7","6","3","5","6","1") = "6"
    & skf21("6","3","7","6","3","5","7","1") = "6"
    & skf21("6","3","7","6","3","6","1","1") = "6"
    & skf21("6","3","7","6","3","6","2","1") = "6"
    & skf21("6","3","7","6","3","6","3","1") = "6"
    & skf21("6","3","7","6","3","6","4","1") = "6"
    & skf21("6","3","7","6","3","6","5","1") = "6"
    & skf21("6","3","7","6","3","6","6","1") = "6"
    & skf21("6","3","7","6","3","6","7","1") = "6"
    & skf21("6","3","7","6","3","7","1","1") = "6"
    & skf21("6","3","7","6","3","7","2","1") = "6"
    & skf21("6","3","7","6","3","7","3","1") = "6"
    & skf21("6","3","7","6","3","7","4","1") = "6"
    & skf21("6","3","7","6","3","7","5","1") = "6"
    & skf21("6","3","7","6","3","7","6","1") = "6"
    & skf21("6","3","7","6","3","7","7","1") = "6"
    & skf21("6","3","7","6","4","1","1","1") = "6"
    & skf21("6","3","7","6","4","1","2","1") = "6"
    & skf21("6","3","7","6","4","1","3","1") = "6"
    & skf21("6","3","7","6","4","1","4","1") = "6"
    & skf21("6","3","7","6","4","1","5","1") = "6"
    & skf21("6","3","7","6","4","1","6","1") = "6"
    & skf21("6","3","7","6","4","1","7","1") = "6"
    & skf21("6","3","7","6","4","2","1","1") = "6"
    & skf21("6","3","7","6","4","2","2","1") = "6"
    & skf21("6","3","7","6","4","2","3","1") = "6"
    & skf21("6","3","7","6","4","2","4","1") = "6"
    & skf21("6","3","7","6","4","2","5","1") = "6"
    & skf21("6","3","7","6","4","2","6","1") = "6"
    & skf21("6","3","7","6","4","2","7","1") = "6"
    & skf21("6","3","7","6","4","3","1","1") = "6"
    & skf21("6","3","7","6","4","3","2","1") = "6"
    & skf21("6","3","7","6","4","3","3","1") = "6"
    & skf21("6","3","7","6","4","3","4","1") = "6"
    & skf21("6","3","7","6","4","3","5","1") = "6"
    & skf21("6","3","7","6","4","3","6","1") = "6"
    & skf21("6","3","7","6","4","3","7","1") = "6"
    & skf21("6","3","7","6","4","4","1","1") = "6"
    & skf21("6","3","7","6","4","4","2","1") = "6"
    & skf21("6","3","7","6","4","4","3","1") = "6"
    & skf21("6","3","7","6","4","4","4","1") = "6"
    & skf21("6","3","7","6","4","4","5","1") = "6"
    & skf21("6","3","7","6","4","4","6","1") = "6"
    & skf21("6","3","7","6","4","4","7","1") = "6"
    & skf21("6","3","7","6","4","5","1","1") = "6"
    & skf21("6","3","7","6","4","5","2","1") = "6"
    & skf21("6","3","7","6","4","5","3","1") = "6"
    & skf21("6","3","7","6","4","5","4","1") = "6"
    & skf21("6","3","7","6","4","5","5","1") = "6"
    & skf21("6","3","7","6","4","5","6","1") = "6"
    & skf21("6","3","7","6","4","5","7","1") = "6"
    & skf21("6","3","7","6","4","6","1","1") = "6"
    & skf21("6","3","7","6","4","6","2","1") = "6"
    & skf21("6","3","7","6","4","6","3","1") = "6"
    & skf21("6","3","7","6","4","6","4","1") = "6"
    & skf21("6","3","7","6","4","6","5","1") = "6"
    & skf21("6","3","7","6","4","6","6","1") = "6"
    & skf21("6","3","7","6","4","6","7","1") = "6"
    & skf21("6","3","7","6","4","7","1","1") = "6"
    & skf21("6","3","7","6","4","7","2","1") = "6"
    & skf21("6","3","7","6","4","7","3","1") = "6"
    & skf21("6","3","7","6","4","7","4","1") = "6"
    & skf21("6","3","7","6","4","7","5","1") = "6"
    & skf21("6","3","7","6","4","7","6","1") = "6"
    & skf21("6","3","7","6","4","7","7","1") = "6"
    & skf21("6","3","7","6","5","1","1","1") = "6"
    & skf21("6","3","7","6","5","1","2","1") = "6"
    & skf21("6","3","7","6","5","1","3","1") = "6"
    & skf21("6","3","7","6","5","1","4","1") = "6"
    & skf21("6","3","7","6","5","1","5","1") = "6"
    & skf21("6","3","7","6","5","1","6","1") = "6"
    & skf21("6","3","7","6","5","1","7","1") = "6"
    & skf21("6","3","7","6","5","2","1","1") = "6"
    & skf21("6","3","7","6","5","2","2","1") = "6"
    & skf21("6","3","7","6","5","2","3","1") = "6"
    & skf21("6","3","7","6","5","2","4","1") = "6"
    & skf21("6","3","7","6","5","2","5","1") = "6"
    & skf21("6","3","7","6","5","2","6","1") = "6"
    & skf21("6","3","7","6","5","2","7","1") = "6"
    & skf21("6","3","7","6","5","3","1","1") = "6"
    & skf21("6","3","7","6","5","3","2","1") = "6"
    & skf21("6","3","7","6","5","3","3","1") = "6"
    & skf21("6","3","7","6","5","3","4","1") = "6"
    & skf21("6","3","7","6","5","3","5","1") = "6"
    & skf21("6","3","7","6","5","3","6","1") = "6"
    & skf21("6","3","7","6","5","3","7","1") = "6"
    & skf21("6","3","7","6","5","4","1","1") = "6"
    & skf21("6","3","7","6","5","4","2","1") = "6"
    & skf21("6","3","7","6","5","4","3","1") = "6"
    & skf21("6","3","7","6","5","4","4","1") = "6"
    & skf21("6","3","7","6","5","4","5","1") = "6"
    & skf21("6","3","7","6","5","4","6","1") = "6"
    & skf21("6","3","7","6","5","4","7","1") = "6"
    & skf21("6","3","7","6","5","5","1","1") = "6"
    & skf21("6","3","7","6","5","5","2","1") = "6"
    & skf21("6","3","7","6","5","5","3","1") = "6"
    & skf21("6","3","7","6","5","5","4","1") = "6"
    & skf21("6","3","7","6","5","5","5","1") = "6"
    & skf21("6","3","7","6","5","5","6","1") = "6"
    & skf21("6","3","7","6","5","5","7","1") = "6"
    & skf21("6","3","7","6","5","6","1","1") = "6"
    & skf21("6","3","7","6","5","6","2","1") = "6"
    & skf21("6","3","7","6","5","6","3","1") = "6"
    & skf21("6","3","7","6","5","6","4","1") = "6"
    & skf21("6","3","7","6","5","6","5","1") = "6"
    & skf21("6","3","7","6","5","6","6","1") = "6"
    & skf21("6","3","7","6","5","6","7","1") = "6"
    & skf21("6","3","7","6","5","7","1","1") = "6"
    & skf21("6","3","7","6","5","7","2","1") = "6"
    & skf21("6","3","7","6","5","7","3","1") = "6"
    & skf21("6","3","7","6","5","7","4","1") = "6"
    & skf21("6","3","7","6","5","7","5","1") = "6"
    & skf21("6","3","7","6","5","7","6","1") = "6"
    & skf21("6","3","7","6","5","7","7","1") = "6"
    & skf21("6","3","7","6","6","1","1","1") = "6"
    & skf21("6","3","7","6","6","1","2","1") = "6"
    & skf21("6","3","7","6","6","1","3","1") = "6"
    & skf21("6","3","7","6","6","1","4","1") = "6"
    & skf21("6","3","7","6","6","1","5","1") = "6"
    & skf21("6","3","7","6","6","1","6","1") = "6"
    & skf21("6","3","7","6","6","1","7","1") = "6"
    & skf21("6","3","7","6","6","2","1","1") = "6"
    & skf21("6","3","7","6","6","2","2","1") = "6"
    & skf21("6","3","7","6","6","2","3","1") = "6"
    & skf21("6","3","7","6","6","2","4","1") = "6"
    & skf21("6","3","7","6","6","2","5","1") = "6"
    & skf21("6","3","7","6","6","2","6","1") = "6"
    & skf21("6","3","7","6","6","2","7","1") = "6"
    & skf21("6","3","7","6","6","3","1","1") = "6"
    & skf21("6","3","7","6","6","3","2","1") = "6"
    & skf21("6","3","7","6","6","3","3","1") = "6"
    & skf21("6","3","7","6","6","3","4","1") = "6"
    & skf21("6","3","7","6","6","3","5","1") = "6"
    & skf21("6","3","7","6","6","3","6","1") = "6"
    & skf21("6","3","7","6","6","3","7","1") = "6"
    & skf21("6","3","7","6","6","4","1","1") = "6"
    & skf21("6","3","7","6","6","4","2","1") = "6"
    & skf21("6","3","7","6","6","4","3","1") = "6"
    & skf21("6","3","7","6","6","4","4","1") = "6"
    & skf21("6","3","7","6","6","4","5","1") = "6"
    & skf21("6","3","7","6","6","4","6","1") = "6"
    & skf21("6","3","7","6","6","4","7","1") = "6"
    & skf21("6","3","7","6","6","5","1","1") = "6"
    & skf21("6","3","7","6","6","5","2","1") = "6"
    & skf21("6","3","7","6","6","5","3","1") = "6"
    & skf21("6","3","7","6","6","5","4","1") = "6"
    & skf21("6","3","7","6","6","5","5","1") = "6"
    & skf21("6","3","7","6","6","5","6","1") = "6"
    & skf21("6","3","7","6","6","5","7","1") = "6"
    & skf21("6","3","7","6","6","6","1","1") = "6"
    & skf21("6","3","7","6","6","6","2","1") = "6"
    & skf21("6","3","7","6","6","6","3","1") = "6"
    & skf21("6","3","7","6","6","6","4","1") = "6"
    & skf21("6","3","7","6","6","6","5","1") = "6"
    & skf21("6","3","7","6","6","6","6","1") = "6"
    & skf21("6","3","7","6","6","6","7","1") = "6"
    & skf21("6","3","7","6","6","7","1","1") = "6"
    & skf21("6","3","7","6","6","7","2","1") = "6"
    & skf21("6","3","7","6","6","7","3","1") = "6"
    & skf21("6","3","7","6","6","7","4","1") = "6"
    & skf21("6","3","7","6","6","7","5","1") = "6"
    & skf21("6","3","7","6","6","7","6","1") = "6"
    & skf21("6","3","7","6","6","7","7","1") = "6"
    & skf21("6","3","7","6","7","1","1","1") = "6"
    & skf21("6","3","7","6","7","1","2","1") = "6"
    & skf21("6","3","7","6","7","1","3","1") = "6"
    & skf21("6","3","7","6","7","1","4","1") = "6"
    & skf21("6","3","7","6","7","1","5","1") = "6"
    & skf21("6","3","7","6","7","1","6","1") = "6"
    & skf21("6","3","7","6","7","1","7","1") = "6"
    & skf21("6","3","7","6","7","2","1","1") = "6"
    & skf21("6","3","7","6","7","2","2","1") = "6"
    & skf21("6","3","7","6","7","2","3","1") = "6"
    & skf21("6","3","7","6","7","2","4","1") = "6"
    & skf21("6","3","7","6","7","2","5","1") = "6"
    & skf21("6","3","7","6","7","2","6","1") = "6"
    & skf21("6","3","7","6","7","2","7","1") = "6"
    & skf21("6","3","7","6","7","3","1","1") = "6"
    & skf21("6","3","7","6","7","3","2","1") = "6"
    & skf21("6","3","7","6","7","3","3","1") = "6"
    & skf21("6","3","7","6","7","3","4","1") = "6"
    & skf21("6","3","7","6","7","3","5","1") = "6"
    & skf21("6","3","7","6","7","3","6","1") = "6"
    & skf21("6","3","7","6","7","3","7","1") = "6"
    & skf21("6","3","7","6","7","4","1","1") = "6"
    & skf21("6","3","7","6","7","4","2","1") = "6"
    & skf21("6","3","7","6","7","4","3","1") = "6"
    & skf21("6","3","7","6","7","4","4","1") = "6"
    & skf21("6","3","7","6","7","4","5","1") = "6"
    & skf21("6","3","7","6","7","4","6","1") = "6"
    & skf21("6","3","7","6","7","4","7","1") = "6"
    & skf21("6","3","7","6","7","5","1","1") = "6"
    & skf21("6","3","7","6","7","5","2","1") = "6"
    & skf21("6","3","7","6","7","5","3","1") = "6"
    & skf21("6","3","7","6","7","5","4","1") = "6"
    & skf21("6","3","7","6","7","5","5","1") = "6"
    & skf21("6","3","7","6","7","5","6","1") = "6"
    & skf21("6","3","7","6","7","5","7","1") = "6"
    & skf21("6","3","7","6","7","6","1","1") = "6"
    & skf21("6","3","7","6","7","6","2","1") = "6"
    & skf21("6","3","7","6","7","6","3","1") = "6"
    & skf21("6","3","7","6","7","6","4","1") = "6"
    & skf21("6","3","7","6","7","6","5","1") = "6"
    & skf21("6","3","7","6","7","6","6","1") = "6"
    & skf21("6","3","7","6","7","6","7","1") = "6"
    & skf21("6","3","7","6","7","7","1","1") = "6"
    & skf21("6","3","7","6","7","7","2","1") = "6"
    & skf21("6","3","7","6","7","7","3","1") = "6"
    & skf21("6","3","7","6","7","7","4","1") = "6"
    & skf21("6","3","7","6","7","7","5","1") = "6"
    & skf21("6","3","7","6","7","7","6","1") = "6"
    & skf21("6","3","7","6","7","7","7","1") = "6"
    & skf21("6","3","7","7","1","1","1","1") = "6"
    & skf21("6","3","7","7","1","1","2","1") = "6"
    & skf21("6","3","7","7","1","1","3","1") = "6"
    & skf21("6","3","7","7","1","1","4","1") = "6"
    & skf21("6","3","7","7","1","1","5","1") = "6"
    & skf21("6","3","7","7","1","1","6","1") = "6"
    & skf21("6","3","7","7","1","1","7","1") = "6"
    & skf21("6","3","7","7","1","2","1","1") = "6"
    & skf21("6","3","7","7","1","2","2","1") = "6"
    & skf21("6","3","7","7","1","2","3","1") = "6"
    & skf21("6","3","7","7","1","2","4","1") = "6"
    & skf21("6","3","7","7","1","2","5","1") = "6"
    & skf21("6","3","7","7","1","2","6","1") = "6"
    & skf21("6","3","7","7","1","2","7","1") = "6"
    & skf21("6","3","7","7","1","3","1","1") = "6"
    & skf21("6","3","7","7","1","3","2","1") = "6"
    & skf21("6","3","7","7","1","3","3","1") = "6"
    & skf21("6","3","7","7","1","3","4","1") = "6"
    & skf21("6","3","7","7","1","3","5","1") = "6"
    & skf21("6","3","7","7","1","3","6","1") = "6"
    & skf21("6","3","7","7","1","3","7","1") = "6"
    & skf21("6","3","7","7","1","4","1","1") = "6"
    & skf21("6","3","7","7","1","4","2","1") = "6"
    & skf21("6","3","7","7","1","4","3","1") = "6"
    & skf21("6","3","7","7","1","4","4","1") = "6"
    & skf21("6","3","7","7","1","4","5","1") = "6"
    & skf21("6","3","7","7","1","4","6","1") = "6"
    & skf21("6","3","7","7","1","4","7","1") = "6"
    & skf21("6","3","7","7","1","5","1","1") = "6"
    & skf21("6","3","7","7","1","5","2","1") = "6"
    & skf21("6","3","7","7","1","5","3","1") = "6"
    & skf21("6","3","7","7","1","5","4","1") = "6"
    & skf21("6","3","7","7","1","5","5","1") = "6"
    & skf21("6","3","7","7","1","5","6","1") = "6"
    & skf21("6","3","7","7","1","5","7","1") = "6"
    & skf21("6","3","7","7","1","6","1","1") = "6"
    & skf21("6","3","7","7","1","6","2","1") = "6"
    & skf21("6","3","7","7","1","6","3","1") = "6"
    & skf21("6","3","7","7","1","6","4","1") = "6"
    & skf21("6","3","7","7","1","6","5","1") = "6"
    & skf21("6","3","7","7","1","6","6","1") = "6"
    & skf21("6","3","7","7","1","6","7","1") = "6"
    & skf21("6","3","7","7","1","7","1","1") = "6"
    & skf21("6","3","7","7","1","7","2","1") = "6"
    & skf21("6","3","7","7","1","7","3","1") = "6"
    & skf21("6","3","7","7","1","7","4","1") = "6"
    & skf21("6","3","7","7","1","7","5","1") = "6"
    & skf21("6","3","7","7","1","7","6","1") = "6"
    & skf21("6","3","7","7","1","7","7","1") = "6"
    & skf21("6","3","7","7","2","1","1","1") = "6"
    & skf21("6","3","7","7","2","1","2","1") = "6"
    & skf21("6","3","7","7","2","1","3","1") = "6"
    & skf21("6","3","7","7","2","1","4","1") = "6"
    & skf21("6","3","7","7","2","1","5","1") = "6"
    & skf21("6","3","7","7","2","1","6","1") = "6"
    & skf21("6","3","7","7","2","1","7","1") = "6"
    & skf21("6","3","7","7","2","2","1","1") = "6"
    & skf21("6","3","7","7","2","2","2","1") = "6"
    & skf21("6","3","7","7","2","2","3","1") = "6"
    & skf21("6","3","7","7","2","2","4","1") = "6"
    & skf21("6","3","7","7","2","2","5","1") = "6"
    & skf21("6","3","7","7","2","2","6","1") = "6"
    & skf21("6","3","7","7","2","2","7","1") = "6"
    & skf21("6","3","7","7","2","3","1","1") = "6"
    & skf21("6","3","7","7","2","3","2","1") = "6"
    & skf21("6","3","7","7","2","3","3","1") = "6"
    & skf21("6","3","7","7","2","3","4","1") = "6"
    & skf21("6","3","7","7","2","3","5","1") = "6"
    & skf21("6","3","7","7","2","3","6","1") = "6"
    & skf21("6","3","7","7","2","3","7","1") = "6"
    & skf21("6","3","7","7","2","4","1","1") = "6"
    & skf21("6","3","7","7","2","4","2","1") = "6"
    & skf21("6","3","7","7","2","4","3","1") = "6"
    & skf21("6","3","7","7","2","4","4","1") = "6"
    & skf21("6","3","7","7","2","4","5","1") = "6"
    & skf21("6","3","7","7","2","4","6","1") = "6"
    & skf21("6","3","7","7","2","4","7","1") = "6"
    & skf21("6","3","7","7","2","5","1","1") = "6"
    & skf21("6","3","7","7","2","5","2","1") = "6"
    & skf21("6","3","7","7","2","5","3","1") = "6"
    & skf21("6","3","7","7","2","5","4","1") = "6"
    & skf21("6","3","7","7","2","5","5","1") = "6"
    & skf21("6","3","7","7","2","5","6","1") = "6"
    & skf21("6","3","7","7","2","5","7","1") = "6"
    & skf21("6","3","7","7","2","6","1","1") = "6"
    & skf21("6","3","7","7","2","6","2","1") = "6"
    & skf21("6","3","7","7","2","6","3","1") = "6"
    & skf21("6","3","7","7","2","6","4","1") = "6"
    & skf21("6","3","7","7","2","6","5","1") = "6"
    & skf21("6","3","7","7","2","6","6","1") = "6"
    & skf21("6","3","7","7","2","6","7","1") = "6"
    & skf21("6","3","7","7","2","7","1","1") = "6"
    & skf21("6","3","7","7","2","7","2","1") = "6"
    & skf21("6","3","7","7","2","7","3","1") = "6"
    & skf21("6","3","7","7","2","7","4","1") = "6"
    & skf21("6","3","7","7","2","7","5","1") = "6"
    & skf21("6","3","7","7","2","7","6","1") = "6"
    & skf21("6","3","7","7","2","7","7","1") = "6"
    & skf21("6","3","7","7","3","1","1","1") = "6"
    & skf21("6","3","7","7","3","1","2","1") = "6"
    & skf21("6","3","7","7","3","1","3","1") = "6"
    & skf21("6","3","7","7","3","1","4","1") = "6"
    & skf21("6","3","7","7","3","1","5","1") = "6"
    & skf21("6","3","7","7","3","1","6","1") = "6"
    & skf21("6","3","7","7","3","1","7","1") = "6"
    & skf21("6","3","7","7","3","2","1","1") = "6"
    & skf21("6","3","7","7","3","2","2","1") = "6"
    & skf21("6","3","7","7","3","2","3","1") = "6"
    & skf21("6","3","7","7","3","2","4","1") = "6"
    & skf21("6","3","7","7","3","2","5","1") = "6"
    & skf21("6","3","7","7","3","2","6","1") = "6"
    & skf21("6","3","7","7","3","2","7","1") = "6"
    & skf21("6","3","7","7","3","3","1","1") = "6"
    & skf21("6","3","7","7","3","3","2","1") = "6"
    & skf21("6","3","7","7","3","3","3","1") = "6"
    & skf21("6","3","7","7","3","3","4","1") = "6"
    & skf21("6","3","7","7","3","3","5","1") = "6"
    & skf21("6","3","7","7","3","3","6","1") = "6"
    & skf21("6","3","7","7","3","3","7","1") = "6"
    & skf21("6","3","7","7","3","4","1","1") = "6"
    & skf21("6","3","7","7","3","4","2","1") = "6"
    & skf21("6","3","7","7","3","4","3","1") = "6"
    & skf21("6","3","7","7","3","4","4","1") = "6"
    & skf21("6","3","7","7","3","4","5","1") = "6"
    & skf21("6","3","7","7","3","4","6","1") = "6"
    & skf21("6","3","7","7","3","4","7","1") = "6"
    & skf21("6","3","7","7","3","5","1","1") = "6"
    & skf21("6","3","7","7","3","5","2","1") = "6"
    & skf21("6","3","7","7","3","5","3","1") = "6"
    & skf21("6","3","7","7","3","5","4","1") = "6"
    & skf21("6","3","7","7","3","5","5","1") = "6"
    & skf21("6","3","7","7","3","5","6","1") = "6"
    & skf21("6","3","7","7","3","5","7","1") = "6"
    & skf21("6","3","7","7","3","6","1","1") = "6"
    & skf21("6","3","7","7","3","6","2","1") = "6"
    & skf21("6","3","7","7","3","6","3","1") = "6"
    & skf21("6","3","7","7","3","6","4","1") = "6"
    & skf21("6","3","7","7","3","6","5","1") = "6"
    & skf21("6","3","7","7","3","6","6","1") = "6"
    & skf21("6","3","7","7","3","6","7","1") = "6"
    & skf21("6","3","7","7","3","7","1","1") = "6"
    & skf21("6","3","7","7","3","7","2","1") = "6"
    & skf21("6","3","7","7","3","7","3","1") = "6"
    & skf21("6","3","7","7","3","7","4","1") = "6"
    & skf21("6","3","7","7","3","7","5","1") = "6"
    & skf21("6","3","7","7","3","7","6","1") = "6"
    & skf21("6","3","7","7","3","7","7","1") = "6"
    & skf21("6","3","7","7","4","1","1","1") = "6"
    & skf21("6","3","7","7","4","1","2","1") = "6"
    & skf21("6","3","7","7","4","1","3","1") = "6"
    & skf21("6","3","7","7","4","1","4","1") = "6"
    & skf21("6","3","7","7","4","1","5","1") = "6"
    & skf21("6","3","7","7","4","1","6","1") = "6"
    & skf21("6","3","7","7","4","1","7","1") = "6"
    & skf21("6","3","7","7","4","2","1","1") = "6"
    & skf21("6","3","7","7","4","2","2","1") = "6"
    & skf21("6","3","7","7","4","2","3","1") = "6"
    & skf21("6","3","7","7","4","2","4","1") = "6"
    & skf21("6","3","7","7","4","2","5","1") = "6"
    & skf21("6","3","7","7","4","2","6","1") = "6"
    & skf21("6","3","7","7","4","2","7","1") = "6"
    & skf21("6","3","7","7","4","3","1","1") = "6"
    & skf21("6","3","7","7","4","3","2","1") = "6"
    & skf21("6","3","7","7","4","3","3","1") = "6"
    & skf21("6","3","7","7","4","3","4","1") = "6"
    & skf21("6","3","7","7","4","3","5","1") = "6"
    & skf21("6","3","7","7","4","3","6","1") = "6"
    & skf21("6","3","7","7","4","3","7","1") = "6"
    & skf21("6","3","7","7","4","4","1","1") = "6"
    & skf21("6","3","7","7","4","4","2","1") = "6"
    & skf21("6","3","7","7","4","4","3","1") = "6"
    & skf21("6","3","7","7","4","4","4","1") = "6"
    & skf21("6","3","7","7","4","4","5","1") = "6"
    & skf21("6","3","7","7","4","4","6","1") = "6"
    & skf21("6","3","7","7","4","4","7","1") = "6"
    & skf21("6","3","7","7","4","5","1","1") = "6"
    & skf21("6","3","7","7","4","5","2","1") = "6"
    & skf21("6","3","7","7","4","5","3","1") = "6"
    & skf21("6","3","7","7","4","5","4","1") = "6"
    & skf21("6","3","7","7","4","5","5","1") = "6"
    & skf21("6","3","7","7","4","5","6","1") = "6"
    & skf21("6","3","7","7","4","5","7","1") = "6"
    & skf21("6","3","7","7","4","6","1","1") = "6"
    & skf21("6","3","7","7","4","6","2","1") = "6"
    & skf21("6","3","7","7","4","6","3","1") = "6"
    & skf21("6","3","7","7","4","6","4","1") = "6"
    & skf21("6","3","7","7","4","6","5","1") = "6"
    & skf21("6","3","7","7","4","6","6","1") = "6"
    & skf21("6","3","7","7","4","6","7","1") = "6"
    & skf21("6","3","7","7","4","7","1","1") = "6"
    & skf21("6","3","7","7","4","7","2","1") = "6"
    & skf21("6","3","7","7","4","7","3","1") = "6"
    & skf21("6","3","7","7","4","7","4","1") = "6"
    & skf21("6","3","7","7","4","7","5","1") = "6"
    & skf21("6","3","7","7","4","7","6","1") = "6"
    & skf21("6","3","7","7","4","7","7","1") = "6"
    & skf21("6","3","7","7","5","1","1","1") = "6"
    & skf21("6","3","7","7","5","1","2","1") = "6"
    & skf21("6","3","7","7","5","1","3","1") = "6"
    & skf21("6","3","7","7","5","1","4","1") = "6"
    & skf21("6","3","7","7","5","1","5","1") = "6"
    & skf21("6","3","7","7","5","1","6","1") = "6"
    & skf21("6","3","7","7","5","1","7","1") = "6"
    & skf21("6","3","7","7","5","2","1","1") = "6"
    & skf21("6","3","7","7","5","2","2","1") = "6"
    & skf21("6","3","7","7","5","2","3","1") = "6"
    & skf21("6","3","7","7","5","2","4","1") = "6"
    & skf21("6","3","7","7","5","2","5","1") = "6"
    & skf21("6","3","7","7","5","2","6","1") = "6"
    & skf21("6","3","7","7","5","2","7","1") = "6"
    & skf21("6","3","7","7","5","3","1","1") = "6"
    & skf21("6","3","7","7","5","3","2","1") = "6"
    & skf21("6","3","7","7","5","3","3","1") = "6"
    & skf21("6","3","7","7","5","3","4","1") = "6"
    & skf21("6","3","7","7","5","3","5","1") = "6"
    & skf21("6","3","7","7","5","3","6","1") = "6"
    & skf21("6","3","7","7","5","3","7","1") = "6"
    & skf21("6","3","7","7","5","4","1","1") = "6"
    & skf21("6","3","7","7","5","4","2","1") = "6"
    & skf21("6","3","7","7","5","4","3","1") = "6"
    & skf21("6","3","7","7","5","4","4","1") = "6"
    & skf21("6","3","7","7","5","4","5","1") = "6"
    & skf21("6","3","7","7","5","4","6","1") = "6"
    & skf21("6","3","7","7","5","4","7","1") = "6"
    & skf21("6","3","7","7","5","5","1","1") = "6"
    & skf21("6","3","7","7","5","5","2","1") = "6"
    & skf21("6","3","7","7","5","5","3","1") = "6"
    & skf21("6","3","7","7","5","5","4","1") = "6"
    & skf21("6","3","7","7","5","5","5","1") = "6"
    & skf21("6","3","7","7","5","5","6","1") = "6"
    & skf21("6","3","7","7","5","5","7","1") = "6"
    & skf21("6","3","7","7","5","6","1","1") = "6"
    & skf21("6","3","7","7","5","6","2","1") = "6"
    & skf21("6","3","7","7","5","6","3","1") = "6"
    & skf21("6","3","7","7","5","6","4","1") = "6"
    & skf21("6","3","7","7","5","6","5","1") = "6"
    & skf21("6","3","7","7","5","6","6","1") = "6"
    & skf21("6","3","7","7","5","6","7","1") = "6"
    & skf21("6","3","7","7","5","7","1","1") = "6"
    & skf21("6","3","7","7","5","7","2","1") = "6"
    & skf21("6","3","7","7","5","7","3","1") = "6"
    & skf21("6","3","7","7","5","7","4","1") = "6"
    & skf21("6","3","7","7","5","7","5","1") = "6"
    & skf21("6","3","7","7","5","7","6","1") = "6"
    & skf21("6","3","7","7","5","7","7","1") = "6"
    & skf21("6","3","7","7","6","1","1","1") = "6"
    & skf21("6","3","7","7","6","1","2","1") = "6"
    & skf21("6","3","7","7","6","1","3","1") = "6"
    & skf21("6","3","7","7","6","1","4","1") = "6"
    & skf21("6","3","7","7","6","1","5","1") = "6"
    & skf21("6","3","7","7","6","1","6","1") = "6"
    & skf21("6","3","7","7","6","1","7","1") = "6"
    & skf21("6","3","7","7","6","2","1","1") = "6"
    & skf21("6","3","7","7","6","2","2","1") = "6"
    & skf21("6","3","7","7","6","2","3","1") = "6"
    & skf21("6","3","7","7","6","2","4","1") = "6"
    & skf21("6","3","7","7","6","2","5","1") = "6"
    & skf21("6","3","7","7","6","2","6","1") = "6"
    & skf21("6","3","7","7","6","2","7","1") = "6"
    & skf21("6","3","7","7","6","3","1","1") = "6"
    & skf21("6","3","7","7","6","3","2","1") = "6"
    & skf21("6","3","7","7","6","3","3","1") = "6"
    & skf21("6","3","7","7","6","3","4","1") = "6"
    & skf21("6","3","7","7","6","3","5","1") = "6"
    & skf21("6","3","7","7","6","3","6","1") = "6"
    & skf21("6","3","7","7","6","3","7","1") = "6"
    & skf21("6","3","7","7","6","4","1","1") = "6"
    & skf21("6","3","7","7","6","4","2","1") = "6"
    & skf21("6","3","7","7","6","4","3","1") = "6"
    & skf21("6","3","7","7","6","4","4","1") = "6"
    & skf21("6","3","7","7","6","4","5","1") = "6"
    & skf21("6","3","7","7","6","4","6","1") = "6"
    & skf21("6","3","7","7","6","4","7","1") = "6"
    & skf21("6","3","7","7","6","5","1","1") = "6"
    & skf21("6","3","7","7","6","5","2","1") = "6"
    & skf21("6","3","7","7","6","5","3","1") = "6"
    & skf21("6","3","7","7","6","5","4","1") = "6"
    & skf21("6","3","7","7","6","5","5","1") = "6"
    & skf21("6","3","7","7","6","5","6","1") = "6"
    & skf21("6","3","7","7","6","5","7","1") = "6"
    & skf21("6","3","7","7","6","6","1","1") = "6"
    & skf21("6","3","7","7","6","6","2","1") = "6"
    & skf21("6","3","7","7","6","6","3","1") = "6"
    & skf21("6","3","7","7","6","6","4","1") = "6"
    & skf21("6","3","7","7","6","6","5","1") = "6"
    & skf21("6","3","7","7","6","6","6","1") = "6"
    & skf21("6","3","7","7","6","6","7","1") = "6"
    & skf21("6","3","7","7","6","7","1","1") = "6"
    & skf21("6","3","7","7","6","7","2","1") = "6"
    & skf21("6","3","7","7","6","7","3","1") = "6"
    & skf21("6","3","7","7","6","7","4","1") = "6"
    & skf21("6","3","7","7","6","7","5","1") = "6"
    & skf21("6","3","7","7","6","7","6","1") = "6"
    & skf21("6","3","7","7","6","7","7","1") = "6"
    & skf21("6","3","7","7","7","1","1","1") = "6"
    & skf21("6","3","7","7","7","1","2","1") = "6"
    & skf21("6","3","7","7","7","1","3","1") = "6"
    & skf21("6","3","7","7","7","1","4","1") = "6"
    & skf21("6","3","7","7","7","1","5","1") = "6"
    & skf21("6","3","7","7","7","1","6","1") = "6"
    & skf21("6","3","7","7","7","1","7","1") = "6"
    & skf21("6","3","7","7","7","2","1","1") = "6"
    & skf21("6","3","7","7","7","2","2","1") = "6"
    & skf21("6","3","7","7","7","2","3","1") = "6"
    & skf21("6","3","7","7","7","2","4","1") = "6"
    & skf21("6","3","7","7","7","2","5","1") = "6"
    & skf21("6","3","7","7","7","2","6","1") = "6"
    & skf21("6","3","7","7","7","2","7","1") = "6"
    & skf21("6","3","7","7","7","3","1","1") = "6"
    & skf21("6","3","7","7","7","3","2","1") = "6"
    & skf21("6","3","7","7","7","3","3","1") = "6"
    & skf21("6","3","7","7","7","3","4","1") = "6"
    & skf21("6","3","7","7","7","3","5","1") = "6"
    & skf21("6","3","7","7","7","3","6","1") = "6"
    & skf21("6","3","7","7","7","3","7","1") = "6"
    & skf21("6","3","7","7","7","4","1","1") = "6"
    & skf21("6","3","7","7","7","4","2","1") = "6"
    & skf21("6","3","7","7","7","4","3","1") = "6"
    & skf21("6","3","7","7","7","4","4","1") = "6"
    & skf21("6","3","7","7","7","4","5","1") = "6"
    & skf21("6","3","7","7","7","4","6","1") = "6"
    & skf21("6","3","7","7","7","4","7","1") = "6"
    & skf21("6","3","7","7","7","5","1","1") = "6"
    & skf21("6","3","7","7","7","5","2","1") = "6"
    & skf21("6","3","7","7","7","5","3","1") = "6"
    & skf21("6","3","7","7","7","5","4","1") = "6"
    & skf21("6","3","7","7","7","5","5","1") = "6"
    & skf21("6","3","7","7","7","5","6","1") = "6"
    & skf21("6","3","7","7","7","5","7","1") = "6"
    & skf21("6","3","7","7","7","6","1","1") = "6"
    & skf21("6","3","7","7","7","6","2","1") = "6"
    & skf21("6","3","7","7","7","6","3","1") = "6"
    & skf21("6","3","7","7","7","6","4","1") = "6"
    & skf21("6","3","7","7","7","6","5","1") = "6"
    & skf21("6","3","7","7","7","6","6","1") = "6"
    & skf21("6","3","7","7","7","6","7","1") = "6"
    & skf21("6","3","7","7","7","7","1","1") = "6"
    & skf21("6","3","7","7","7","7","2","1") = "6"
    & skf21("6","3","7","7","7","7","3","1") = "6"
    & skf21("6","3","7","7","7","7","4","1") = "6"
    & skf21("6","3","7","7","7","7","5","1") = "6"
    & skf21("6","3","7","7","7","7","6","1") = "6"
    & skf21("6","3","7","7","7","7","7","1") = "6"
    & skf21("6","4","1","1","1","1","1","1") = "5"
    & skf21("6","4","1","1","1","1","2","1") = "5"
    & skf21("6","4","1","1","1","1","3","1") = "5"
    & skf21("6","4","1","1","1","1","4","1") = "5"
    & skf21("6","4","1","1","1","1","5","1") = "5"
    & skf21("6","4","1","1","1","1","6","1") = "5"
    & skf21("6","4","1","1","1","1","7","1") = "6"
    & skf21("6","4","1","1","1","2","1","1") = "5"
    & skf21("6","4","1","1","1","2","2","1") = "5"
    & skf21("6","4","1","1","1","2","3","1") = "5"
    & skf21("6","4","1","1","1","2","4","1") = "5"
    & skf21("6","4","1","1","1","2","5","1") = "5"
    & skf21("6","4","1","1","1","2","6","1") = "5"
    & skf21("6","4","1","1","1","2","7","1") = "6"
    & skf21("6","4","1","1","1","3","1","1") = "5"
    & skf21("6","4","1","1","1","3","2","1") = "5"
    & skf21("6","4","1","1","1","3","3","1") = "5"
    & skf21("6","4","1","1","1","3","4","1") = "5"
    & skf21("6","4","1","1","1","3","5","1") = "5"
    & skf21("6","4","1","1","1","3","6","1") = "5"
    & skf21("6","4","1","1","1","3","7","1") = "6"
    & skf21("6","4","1","1","1","4","1","1") = "5"
    & skf21("6","4","1","1","1","4","2","1") = "5"
    & skf21("6","4","1","1","1","4","3","1") = "5"
    & skf21("6","4","1","1","1","4","4","1") = "5"
    & skf21("6","4","1","1","1","4","5","1") = "5"
    & skf21("6","4","1","1","1","4","6","1") = "5"
    & skf21("6","4","1","1","1","4","7","1") = "6"
    & skf21("6","4","1","1","1","5","1","1") = "5"
    & skf21("6","4","1","1","1","5","2","1") = "5"
    & skf21("6","4","1","1","1","5","3","1") = "5"
    & skf21("6","4","1","1","1","5","4","1") = "5"
    & skf21("6","4","1","1","1","5","5","1") = "5"
    & skf21("6","4","1","1","1","5","6","1") = "5"
    & skf21("6","4","1","1","1","5","7","1") = "6"
    & skf21("6","4","1","1","1","6","1","1") = "5"
    & skf21("6","4","1","1","1","6","2","1") = "5"
    & skf21("6","4","1","1","1","6","3","1") = "5"
    & skf21("6","4","1","1","1","6","4","1") = "5"
    & skf21("6","4","1","1","1","6","5","1") = "5"
    & skf21("6","4","1","1","1","6","6","1") = "5"
    & skf21("6","4","1","1","1","6","7","1") = "6"
    & skf21("6","4","1","1","1","7","1","1") = "6"
    & skf21("6","4","1","1","1","7","2","1") = "6"
    & skf21("6","4","1","1","1","7","3","1") = "6"
    & skf21("6","4","1","1","1","7","4","1") = "6"
    & skf21("6","4","1","1","1","7","5","1") = "6"
    & skf21("6","4","1","1","1","7","6","1") = "6"
    & skf21("6","4","1","1","1","7","7","1") = "6"
    & skf21("6","4","1","1","2","1","1","1") = "5"
    & skf21("6","4","1","1","2","1","2","1") = "5"
    & skf21("6","4","1","1","2","1","3","1") = "5"
    & skf21("6","4","1","1","2","1","4","1") = "5"
    & skf21("6","4","1","1","2","1","5","1") = "5"
    & skf21("6","4","1","1","2","1","6","1") = "5"
    & skf21("6","4","1","1","2","1","7","1") = "6"
    & skf21("6","4","1","1","2","2","1","1") = "5"
    & skf21("6","4","1","1","2","2","2","1") = "5"
    & skf21("6","4","1","1","2","2","3","1") = "5"
    & skf21("6","4","1","1","2","2","4","1") = "5"
    & skf21("6","4","1","1","2","2","5","1") = "5"
    & skf21("6","4","1","1","2","2","6","1") = "5"
    & skf21("6","4","1","1","2","2","7","1") = "6"
    & skf21("6","4","1","1","2","3","1","1") = "5"
    & skf21("6","4","1","1","2","3","2","1") = "5"
    & skf21("6","4","1","1","2","3","3","1") = "5"
    & skf21("6","4","1","1","2","3","4","1") = "5"
    & skf21("6","4","1","1","2","3","5","1") = "5"
    & skf21("6","4","1","1","2","3","6","1") = "5"
    & skf21("6","4","1","1","2","3","7","1") = "6"
    & skf21("6","4","1","1","2","4","1","1") = "5"
    & skf21("6","4","1","1","2","4","2","1") = "5"
    & skf21("6","4","1","1","2","4","3","1") = "5"
    & skf21("6","4","1","1","2","4","4","1") = "5"
    & skf21("6","4","1","1","2","4","5","1") = "5"
    & skf21("6","4","1","1","2","4","6","1") = "5"
    & skf21("6","4","1","1","2","4","7","1") = "6"
    & skf21("6","4","1","1","2","5","1","1") = "5"
    & skf21("6","4","1","1","2","5","2","1") = "5"
    & skf21("6","4","1","1","2","5","3","1") = "5"
    & skf21("6","4","1","1","2","5","4","1") = "5"
    & skf21("6","4","1","1","2","5","5","1") = "5"
    & skf21("6","4","1","1","2","5","6","1") = "5"
    & skf21("6","4","1","1","2","5","7","1") = "6"
    & skf21("6","4","1","1","2","6","1","1") = "5"
    & skf21("6","4","1","1","2","6","2","1") = "5"
    & skf21("6","4","1","1","2","6","3","1") = "5"
    & skf21("6","4","1","1","2","6","4","1") = "5"
    & skf21("6","4","1","1","2","6","5","1") = "5"
    & skf21("6","4","1","1","2","6","6","1") = "5"
    & skf21("6","4","1","1","2","6","7","1") = "6"
    & skf21("6","4","1","1","2","7","1","1") = "6"
    & skf21("6","4","1","1","2","7","2","1") = "6"
    & skf21("6","4","1","1","2","7","3","1") = "6"
    & skf21("6","4","1","1","2","7","4","1") = "6"
    & skf21("6","4","1","1","2","7","5","1") = "6"
    & skf21("6","4","1","1","2","7","6","1") = "6"
    & skf21("6","4","1","1","2","7","7","1") = "6"
    & skf21("6","4","1","1","3","1","1","1") = "5"
    & skf21("6","4","1","1","3","1","2","1") = "5"
    & skf21("6","4","1","1","3","1","3","1") = "5"
    & skf21("6","4","1","1","3","1","4","1") = "5"
    & skf21("6","4","1","1","3","1","5","1") = "5"
    & skf21("6","4","1","1","3","1","6","1") = "5"
    & skf21("6","4","1","1","3","1","7","1") = "6"
    & skf21("6","4","1","1","3","2","1","1") = "5"
    & skf21("6","4","1","1","3","2","2","1") = "5"
    & skf21("6","4","1","1","3","2","3","1") = "5"
    & skf21("6","4","1","1","3","2","4","1") = "5"
    & skf21("6","4","1","1","3","2","5","1") = "5"
    & skf21("6","4","1","1","3","2","6","1") = "5"
    & skf21("6","4","1","1","3","2","7","1") = "6"
    & skf21("6","4","1","1","3","3","1","1") = "5"
    & skf21("6","4","1","1","3","3","2","1") = "5"
    & skf21("6","4","1","1","3","3","3","1") = "5"
    & skf21("6","4","1","1","3","3","4","1") = "5"
    & skf21("6","4","1","1","3","3","5","1") = "5"
    & skf21("6","4","1","1","3","3","6","1") = "5"
    & skf21("6","4","1","1","3","3","7","1") = "6"
    & skf21("6","4","1","1","3","4","1","1") = "5"
    & skf21("6","4","1","1","3","4","2","1") = "5"
    & skf21("6","4","1","1","3","4","3","1") = "5"
    & skf21("6","4","1","1","3","4","4","1") = "5"
    & skf21("6","4","1","1","3","4","5","1") = "5"
    & skf21("6","4","1","1","3","4","6","1") = "5"
    & skf21("6","4","1","1","3","4","7","1") = "6"
    & skf21("6","4","1","1","3","5","1","1") = "5"
    & skf21("6","4","1","1","3","5","2","1") = "5"
    & skf21("6","4","1","1","3","5","3","1") = "5"
    & skf21("6","4","1","1","3","5","4","1") = "5"
    & skf21("6","4","1","1","3","5","5","1") = "5"
    & skf21("6","4","1","1","3","5","6","1") = "5"
    & skf21("6","4","1","1","3","5","7","1") = "6"
    & skf21("6","4","1","1","3","6","1","1") = "5"
    & skf21("6","4","1","1","3","6","2","1") = "5"
    & skf21("6","4","1","1","3","6","3","1") = "5"
    & skf21("6","4","1","1","3","6","4","1") = "5"
    & skf21("6","4","1","1","3","6","5","1") = "5"
    & skf21("6","4","1","1","3","6","6","1") = "5"
    & skf21("6","4","1","1","3","6","7","1") = "6"
    & skf21("6","4","1","1","3","7","1","1") = "6"
    & skf21("6","4","1","1","3","7","2","1") = "6"
    & skf21("6","4","1","1","3","7","3","1") = "6"
    & skf21("6","4","1","1","3","7","4","1") = "6"
    & skf21("6","4","1","1","3","7","5","1") = "6"
    & skf21("6","4","1","1","3","7","6","1") = "6"
    & skf21("6","4","1","1","3","7","7","1") = "6"
    & skf21("6","4","1","1","4","1","1","1") = "5"
    & skf21("6","4","1","1","4","1","2","1") = "5"
    & skf21("6","4","1","1","4","1","3","1") = "5"
    & skf21("6","4","1","1","4","1","4","1") = "5"
    & skf21("6","4","1","1","4","1","5","1") = "5"
    & skf21("6","4","1","1","4","1","6","1") = "5"
    & skf21("6","4","1","1","4","1","7","1") = "6"
    & skf21("6","4","1","1","4","2","1","1") = "5"
    & skf21("6","4","1","1","4","2","2","1") = "5"
    & skf21("6","4","1","1","4","2","3","1") = "5"
    & skf21("6","4","1","1","4","2","4","1") = "5"
    & skf21("6","4","1","1","4","2","5","1") = "5"
    & skf21("6","4","1","1","4","2","6","1") = "5"
    & skf21("6","4","1","1","4","2","7","1") = "6"
    & skf21("6","4","1","1","4","3","1","1") = "5"
    & skf21("6","4","1","1","4","3","2","1") = "5"
    & skf21("6","4","1","1","4","3","3","1") = "5"
    & skf21("6","4","1","1","4","3","4","1") = "5"
    & skf21("6","4","1","1","4","3","5","1") = "5"
    & skf21("6","4","1","1","4","3","6","1") = "5"
    & skf21("6","4","1","1","4","3","7","1") = "6"
    & skf21("6","4","1","1","4","4","1","1") = "5"
    & skf21("6","4","1","1","4","4","2","1") = "5"
    & skf21("6","4","1","1","4","4","3","1") = "5"
    & skf21("6","4","1","1","4","4","4","1") = "5"
    & skf21("6","4","1","1","4","4","5","1") = "5"
    & skf21("6","4","1","1","4","4","6","1") = "5"
    & skf21("6","4","1","1","4","4","7","1") = "6"
    & skf21("6","4","1","1","4","5","1","1") = "5"
    & skf21("6","4","1","1","4","5","2","1") = "5"
    & skf21("6","4","1","1","4","5","3","1") = "5"
    & skf21("6","4","1","1","4","5","4","1") = "5"
    & skf21("6","4","1","1","4","5","5","1") = "5"
    & skf21("6","4","1","1","4","5","6","1") = "5"
    & skf21("6","4","1","1","4","5","7","1") = "6"
    & skf21("6","4","1","1","4","6","1","1") = "5"
    & skf21("6","4","1","1","4","6","2","1") = "5"
    & skf21("6","4","1","1","4","6","3","1") = "5"
    & skf21("6","4","1","1","4","6","4","1") = "5"
    & skf21("6","4","1","1","4","6","5","1") = "5"
    & skf21("6","4","1","1","4","6","6","1") = "5"
    & skf21("6","4","1","1","4","6","7","1") = "6"
    & skf21("6","4","1","1","4","7","1","1") = "6"
    & skf21("6","4","1","1","4","7","2","1") = "6"
    & skf21("6","4","1","1","4","7","3","1") = "6"
    & skf21("6","4","1","1","4","7","4","1") = "6"
    & skf21("6","4","1","1","4","7","5","1") = "6"
    & skf21("6","4","1","1","4","7","6","1") = "6"
    & skf21("6","4","1","1","4","7","7","1") = "6"
    & skf21("6","4","1","1","5","1","1","1") = "5"
    & skf21("6","4","1","1","5","1","2","1") = "5"
    & skf21("6","4","1","1","5","1","3","1") = "5"
    & skf21("6","4","1","1","5","1","4","1") = "5"
    & skf21("6","4","1","1","5","1","5","1") = "5"
    & skf21("6","4","1","1","5","1","6","1") = "5"
    & skf21("6","4","1","1","5","1","7","1") = "6"
    & skf21("6","4","1","1","5","2","1","1") = "5"
    & skf21("6","4","1","1","5","2","2","1") = "5"
    & skf21("6","4","1","1","5","2","3","1") = "5"
    & skf21("6","4","1","1","5","2","4","1") = "5"
    & skf21("6","4","1","1","5","2","5","1") = "5"
    & skf21("6","4","1","1","5","2","6","1") = "5"
    & skf21("6","4","1","1","5","2","7","1") = "6"
    & skf21("6","4","1","1","5","3","1","1") = "5"
    & skf21("6","4","1","1","5","3","2","1") = "5"
    & skf21("6","4","1","1","5","3","3","1") = "5"
    & skf21("6","4","1","1","5","3","4","1") = "5"
    & skf21("6","4","1","1","5","3","5","1") = "5"
    & skf21("6","4","1","1","5","3","6","1") = "5"
    & skf21("6","4","1","1","5","3","7","1") = "6"
    & skf21("6","4","1","1","5","4","1","1") = "5"
    & skf21("6","4","1","1","5","4","2","1") = "5"
    & skf21("6","4","1","1","5","4","3","1") = "5"
    & skf21("6","4","1","1","5","4","4","1") = "5"
    & skf21("6","4","1","1","5","4","5","1") = "5"
    & skf21("6","4","1","1","5","4","6","1") = "5"
    & skf21("6","4","1","1","5","4","7","1") = "6"
    & skf21("6","4","1","1","5","5","1","1") = "5"
    & skf21("6","4","1","1","5","5","2","1") = "5"
    & skf21("6","4","1","1","5","5","3","1") = "5"
    & skf21("6","4","1","1","5","5","4","1") = "5"
    & skf21("6","4","1","1","5","5","5","1") = "5"
    & skf21("6","4","1","1","5","5","6","1") = "5"
    & skf21("6","4","1","1","5","5","7","1") = "6"
    & skf21("6","4","1","1","5","6","1","1") = "5"
    & skf21("6","4","1","1","5","6","2","1") = "5"
    & skf21("6","4","1","1","5","6","3","1") = "5"
    & skf21("6","4","1","1","5","6","4","1") = "5"
    & skf21("6","4","1","1","5","6","5","1") = "5"
    & skf21("6","4","1","1","5","6","6","1") = "5"
    & skf21("6","4","1","1","5","6","7","1") = "6"
    & skf21("6","4","1","1","5","7","1","1") = "6"
    & skf21("6","4","1","1","5","7","2","1") = "6"
    & skf21("6","4","1","1","5","7","3","1") = "6"
    & skf21("6","4","1","1","5","7","4","1") = "6"
    & skf21("6","4","1","1","5","7","5","1") = "6"
    & skf21("6","4","1","1","5","7","6","1") = "6"
    & skf21("6","4","1","1","5","7","7","1") = "6"
    & skf21("6","4","1","1","6","1","1","1") = "5"
    & skf21("6","4","1","1","6","1","2","1") = "5"
    & skf21("6","4","1","1","6","1","3","1") = "5"
    & skf21("6","4","1","1","6","1","4","1") = "5"
    & skf21("6","4","1","1","6","1","5","1") = "5"
    & skf21("6","4","1","1","6","1","6","1") = "5"
    & skf21("6","4","1","1","6","1","7","1") = "6"
    & skf21("6","4","1","1","6","2","1","1") = "5"
    & skf21("6","4","1","1","6","2","2","1") = "5"
    & skf21("6","4","1","1","6","2","3","1") = "5"
    & skf21("6","4","1","1","6","2","4","1") = "5"
    & skf21("6","4","1","1","6","2","5","1") = "5"
    & skf21("6","4","1","1","6","2","6","1") = "5"
    & skf21("6","4","1","1","6","2","7","1") = "6"
    & skf21("6","4","1","1","6","3","1","1") = "5"
    & skf21("6","4","1","1","6","3","2","1") = "5"
    & skf21("6","4","1","1","6","3","3","1") = "5"
    & skf21("6","4","1","1","6","3","4","1") = "5"
    & skf21("6","4","1","1","6","3","5","1") = "5"
    & skf21("6","4","1","1","6","3","6","1") = "5"
    & skf21("6","4","1","1","6","3","7","1") = "6"
    & skf21("6","4","1","1","6","4","1","1") = "5"
    & skf21("6","4","1","1","6","4","2","1") = "5"
    & skf21("6","4","1","1","6","4","3","1") = "5"
    & skf21("6","4","1","1","6","4","4","1") = "5"
    & skf21("6","4","1","1","6","4","5","1") = "5"
    & skf21("6","4","1","1","6","4","6","1") = "5"
    & skf21("6","4","1","1","6","4","7","1") = "6"
    & skf21("6","4","1","1","6","5","1","1") = "5"
    & skf21("6","4","1","1","6","5","2","1") = "5"
    & skf21("6","4","1","1","6","5","3","1") = "5"
    & skf21("6","4","1","1","6","5","4","1") = "5"
    & skf21("6","4","1","1","6","5","5","1") = "5"
    & skf21("6","4","1","1","6","5","6","1") = "5"
    & skf21("6","4","1","1","6","5","7","1") = "6"
    & skf21("6","4","1","1","6","6","1","1") = "5"
    & skf21("6","4","1","1","6","6","2","1") = "5"
    & skf21("6","4","1","1","6","6","3","1") = "5"
    & skf21("6","4","1","1","6","6","4","1") = "5"
    & skf21("6","4","1","1","6","6","5","1") = "5"
    & skf21("6","4","1","1","6","6","6","1") = "5"
    & skf21("6","4","1","1","6","6","7","1") = "6"
    & skf21("6","4","1","1","6","7","1","1") = "6"
    & skf21("6","4","1","1","6","7","2","1") = "6"
    & skf21("6","4","1","1","6","7","3","1") = "6"
    & skf21("6","4","1","1","6","7","4","1") = "6"
    & skf21("6","4","1","1","6","7","5","1") = "6"
    & skf21("6","4","1","1","6","7","6","1") = "6"
    & skf21("6","4","1","1","6","7","7","1") = "6"
    & skf21("6","4","1","1","7","1","1","1") = "6"
    & skf21("6","4","1","1","7","1","2","1") = "6"
    & skf21("6","4","1","1","7","1","3","1") = "6"
    & skf21("6","4","1","1","7","1","4","1") = "6"
    & skf21("6","4","1","1","7","1","5","1") = "6"
    & skf21("6","4","1","1","7","1","6","1") = "6"
    & skf21("6","4","1","1","7","1","7","1") = "6"
    & skf21("6","4","1","1","7","2","1","1") = "6"
    & skf21("6","4","1","1","7","2","2","1") = "6"
    & skf21("6","4","1","1","7","2","3","1") = "6"
    & skf21("6","4","1","1","7","2","4","1") = "6"
    & skf21("6","4","1","1","7","2","5","1") = "6"
    & skf21("6","4","1","1","7","2","6","1") = "6"
    & skf21("6","4","1","1","7","2","7","1") = "6"
    & skf21("6","4","1","1","7","3","1","1") = "6"
    & skf21("6","4","1","1","7","3","2","1") = "6"
    & skf21("6","4","1","1","7","3","3","1") = "6"
    & skf21("6","4","1","1","7","3","4","1") = "6"
    & skf21("6","4","1","1","7","3","5","1") = "6"
    & skf21("6","4","1","1","7","3","6","1") = "6"
    & skf21("6","4","1","1","7","3","7","1") = "6"
    & skf21("6","4","1","1","7","4","1","1") = "6"
    & skf21("6","4","1","1","7","4","2","1") = "6"
    & skf21("6","4","1","1","7","4","3","1") = "6"
    & skf21("6","4","1","1","7","4","4","1") = "6"
    & skf21("6","4","1","1","7","4","5","1") = "6"
    & skf21("6","4","1","1","7","4","6","1") = "6"
    & skf21("6","4","1","1","7","4","7","1") = "6"
    & skf21("6","4","1","1","7","5","1","1") = "6"
    & skf21("6","4","1","1","7","5","2","1") = "6"
    & skf21("6","4","1","1","7","5","3","1") = "6"
    & skf21("6","4","1","1","7","5","4","1") = "6"
    & skf21("6","4","1","1","7","5","5","1") = "6"
    & skf21("6","4","1","1","7","5","6","1") = "6"
    & skf21("6","4","1","1","7","5","7","1") = "6"
    & skf21("6","4","1","1","7","6","1","1") = "6"
    & skf21("6","4","1","1","7","6","2","1") = "6"
    & skf21("6","4","1","1","7","6","3","1") = "6"
    & skf21("6","4","1","1","7","6","4","1") = "6"
    & skf21("6","4","1","1","7","6","5","1") = "6"
    & skf21("6","4","1","1","7","6","6","1") = "6"
    & skf21("6","4","1","1","7","6","7","1") = "6"
    & skf21("6","4","1","1","7","7","1","1") = "6"
    & skf21("6","4","1","1","7","7","2","1") = "6"
    & skf21("6","4","1","1","7","7","3","1") = "6"
    & skf21("6","4","1","1","7","7","4","1") = "6"
    & skf21("6","4","1","1","7","7","5","1") = "6"
    & skf21("6","4","1","1","7","7","6","1") = "6"
    & skf21("6","4","1","1","7","7","7","1") = "6"
    & skf21("6","4","1","2","1","1","1","1") = "5"
    & skf21("6","4","1","2","1","1","2","1") = "5"
    & skf21("6","4","1","2","1","1","3","1") = "5"
    & skf21("6","4","1","2","1","1","4","1") = "5"
    & skf21("6","4","1","2","1","1","5","1") = "5"
    & skf21("6","4","1","2","1","1","6","1") = "5"
    & skf21("6","4","1","2","1","1","7","1") = "6"
    & skf21("6","4","1","2","1","2","1","1") = "5"
    & skf21("6","4","1","2","1","2","2","1") = "5"
    & skf21("6","4","1","2","1","2","3","1") = "5"
    & skf21("6","4","1","2","1","2","4","1") = "5"
    & skf21("6","4","1","2","1","2","5","1") = "5"
    & skf21("6","4","1","2","1","2","6","1") = "5"
    & skf21("6","4","1","2","1","2","7","1") = "6"
    & skf21("6","4","1","2","1","3","1","1") = "5"
    & skf21("6","4","1","2","1","3","2","1") = "5"
    & skf21("6","4","1","2","1","3","3","1") = "5"
    & skf21("6","4","1","2","1","3","4","1") = "5"
    & skf21("6","4","1","2","1","3","5","1") = "5"
    & skf21("6","4","1","2","1","3","6","1") = "5"
    & skf21("6","4","1","2","1","3","7","1") = "6"
    & skf21("6","4","1","2","1","4","1","1") = "5"
    & skf21("6","4","1","2","1","4","2","1") = "5"
    & skf21("6","4","1","2","1","4","3","1") = "5"
    & skf21("6","4","1","2","1","4","4","1") = "5"
    & skf21("6","4","1","2","1","4","5","1") = "5"
    & skf21("6","4","1","2","1","4","6","1") = "5"
    & skf21("6","4","1","2","1","4","7","1") = "6"
    & skf21("6","4","1","2","1","5","1","1") = "5"
    & skf21("6","4","1","2","1","5","2","1") = "5"
    & skf21("6","4","1","2","1","5","3","1") = "5"
    & skf21("6","4","1","2","1","5","4","1") = "5"
    & skf21("6","4","1","2","1","5","5","1") = "5"
    & skf21("6","4","1","2","1","5","6","1") = "5"
    & skf21("6","4","1","2","1","5","7","1") = "6"
    & skf21("6","4","1","2","1","6","1","1") = "5"
    & skf21("6","4","1","2","1","6","2","1") = "5"
    & skf21("6","4","1","2","1","6","3","1") = "5"
    & skf21("6","4","1","2","1","6","4","1") = "5"
    & skf21("6","4","1","2","1","6","5","1") = "5"
    & skf21("6","4","1","2","1","6","6","1") = "5"
    & skf21("6","4","1","2","1","6","7","1") = "6"
    & skf21("6","4","1","2","1","7","1","1") = "6"
    & skf21("6","4","1","2","1","7","2","1") = "6"
    & skf21("6","4","1","2","1","7","3","1") = "6"
    & skf21("6","4","1","2","1","7","4","1") = "6"
    & skf21("6","4","1","2","1","7","5","1") = "6"
    & skf21("6","4","1","2","1","7","6","1") = "6"
    & skf21("6","4","1","2","1","7","7","1") = "6"
    & skf21("6","4","1","2","2","1","1","1") = "5"
    & skf21("6","4","1","2","2","1","2","1") = "5"
    & skf21("6","4","1","2","2","1","3","1") = "5"
    & skf21("6","4","1","2","2","1","4","1") = "5"
    & skf21("6","4","1","2","2","1","5","1") = "5"
    & skf21("6","4","1","2","2","1","6","1") = "5"
    & skf21("6","4","1","2","2","1","7","1") = "6"
    & skf21("6","4","1","2","2","2","1","1") = "5"
    & skf21("6","4","1","2","2","2","2","1") = "5"
    & skf21("6","4","1","2","2","2","3","1") = "5"
    & skf21("6","4","1","2","2","2","4","1") = "5"
    & skf21("6","4","1","2","2","2","5","1") = "5"
    & skf21("6","4","1","2","2","2","6","1") = "5"
    & skf21("6","4","1","2","2","2","7","1") = "6"
    & skf21("6","4","1","2","2","3","1","1") = "5"
    & skf21("6","4","1","2","2","3","2","1") = "5"
    & skf21("6","4","1","2","2","3","3","1") = "5"
    & skf21("6","4","1","2","2","3","4","1") = "5"
    & skf21("6","4","1","2","2","3","5","1") = "5"
    & skf21("6","4","1","2","2","3","6","1") = "5"
    & skf21("6","4","1","2","2","3","7","1") = "6"
    & skf21("6","4","1","2","2","4","1","1") = "5"
    & skf21("6","4","1","2","2","4","2","1") = "5"
    & skf21("6","4","1","2","2","4","3","1") = "5"
    & skf21("6","4","1","2","2","4","4","1") = "5"
    & skf21("6","4","1","2","2","4","5","1") = "5"
    & skf21("6","4","1","2","2","4","6","1") = "5"
    & skf21("6","4","1","2","2","4","7","1") = "6"
    & skf21("6","4","1","2","2","5","1","1") = "5"
    & skf21("6","4","1","2","2","5","2","1") = "5"
    & skf21("6","4","1","2","2","5","3","1") = "5"
    & skf21("6","4","1","2","2","5","4","1") = "5"
    & skf21("6","4","1","2","2","5","5","1") = "5"
    & skf21("6","4","1","2","2","5","6","1") = "5"
    & skf21("6","4","1","2","2","5","7","1") = "6"
    & skf21("6","4","1","2","2","6","1","1") = "5"
    & skf21("6","4","1","2","2","6","2","1") = "5"
    & skf21("6","4","1","2","2","6","3","1") = "5"
    & skf21("6","4","1","2","2","6","4","1") = "5"
    & skf21("6","4","1","2","2","6","5","1") = "5"
    & skf21("6","4","1","2","2","6","6","1") = "5"
    & skf21("6","4","1","2","2","6","7","1") = "6"
    & skf21("6","4","1","2","2","7","1","1") = "6"
    & skf21("6","4","1","2","2","7","2","1") = "6"
    & skf21("6","4","1","2","2","7","3","1") = "6"
    & skf21("6","4","1","2","2","7","4","1") = "6"
    & skf21("6","4","1","2","2","7","5","1") = "6"
    & skf21("6","4","1","2","2","7","6","1") = "6"
    & skf21("6","4","1","2","2","7","7","1") = "6"
    & skf21("6","4","1","2","3","1","1","1") = "5"
    & skf21("6","4","1","2","3","1","2","1") = "5"
    & skf21("6","4","1","2","3","1","3","1") = "5"
    & skf21("6","4","1","2","3","1","4","1") = "5"
    & skf21("6","4","1","2","3","1","5","1") = "5"
    & skf21("6","4","1","2","3","1","6","1") = "5"
    & skf21("6","4","1","2","3","1","7","1") = "6"
    & skf21("6","4","1","2","3","2","1","1") = "5"
    & skf21("6","4","1","2","3","2","2","1") = "5"
    & skf21("6","4","1","2","3","2","3","1") = "5"
    & skf21("6","4","1","2","3","2","4","1") = "5"
    & skf21("6","4","1","2","3","2","5","1") = "5"
    & skf21("6","4","1","2","3","2","6","1") = "5"
    & skf21("6","4","1","2","3","2","7","1") = "6"
    & skf21("6","4","1","2","3","3","1","1") = "5"
    & skf21("6","4","1","2","3","3","2","1") = "5"
    & skf21("6","4","1","2","3","3","3","1") = "5"
    & skf21("6","4","1","2","3","3","4","1") = "5"
    & skf21("6","4","1","2","3","3","5","1") = "5"
    & skf21("6","4","1","2","3","3","6","1") = "5"
    & skf21("6","4","1","2","3","3","7","1") = "6"
    & skf21("6","4","1","2","3","4","1","1") = "5"
    & skf21("6","4","1","2","3","4","2","1") = "5"
    & skf21("6","4","1","2","3","4","3","1") = "5"
    & skf21("6","4","1","2","3","4","4","1") = "5"
    & skf21("6","4","1","2","3","4","5","1") = "5"
    & skf21("6","4","1","2","3","4","6","1") = "5"
    & skf21("6","4","1","2","3","4","7","1") = "6"
    & skf21("6","4","1","2","3","5","1","1") = "5"
    & skf21("6","4","1","2","3","5","2","1") = "5"
    & skf21("6","4","1","2","3","5","3","1") = "5"
    & skf21("6","4","1","2","3","5","4","1") = "5"
    & skf21("6","4","1","2","3","5","5","1") = "5"
    & skf21("6","4","1","2","3","5","6","1") = "5"
    & skf21("6","4","1","2","3","5","7","1") = "6"
    & skf21("6","4","1","2","3","6","1","1") = "5"
    & skf21("6","4","1","2","3","6","2","1") = "5"
    & skf21("6","4","1","2","3","6","3","1") = "5"
    & skf21("6","4","1","2","3","6","4","1") = "5"
    & skf21("6","4","1","2","3","6","5","1") = "5"
    & skf21("6","4","1","2","3","6","6","1") = "5"
    & skf21("6","4","1","2","3","6","7","1") = "6"
    & skf21("6","4","1","2","3","7","1","1") = "6"
    & skf21("6","4","1","2","3","7","2","1") = "6"
    & skf21("6","4","1","2","3","7","3","1") = "6"
    & skf21("6","4","1","2","3","7","4","1") = "6"
    & skf21("6","4","1","2","3","7","5","1") = "6"
    & skf21("6","4","1","2","3","7","6","1") = "6"
    & skf21("6","4","1","2","3","7","7","1") = "6"
    & skf21("6","4","1","2","4","1","1","1") = "5"
    & skf21("6","4","1","2","4","1","2","1") = "5"
    & skf21("6","4","1","2","4","1","3","1") = "5"
    & skf21("6","4","1","2","4","1","4","1") = "5"
    & skf21("6","4","1","2","4","1","5","1") = "5"
    & skf21("6","4","1","2","4","1","6","1") = "5"
    & skf21("6","4","1","2","4","1","7","1") = "6"
    & skf21("6","4","1","2","4","2","1","1") = "5"
    & skf21("6","4","1","2","4","2","2","1") = "5"
    & skf21("6","4","1","2","4","2","3","1") = "5"
    & skf21("6","4","1","2","4","2","4","1") = "5"
    & skf21("6","4","1","2","4","2","5","1") = "5"
    & skf21("6","4","1","2","4","2","6","1") = "5"
    & skf21("6","4","1","2","4","2","7","1") = "6"
    & skf21("6","4","1","2","4","3","1","1") = "5"
    & skf21("6","4","1","2","4","3","2","1") = "5"
    & skf21("6","4","1","2","4","3","3","1") = "5"
    & skf21("6","4","1","2","4","3","4","1") = "5"
    & skf21("6","4","1","2","4","3","5","1") = "5"
    & skf21("6","4","1","2","4","3","6","1") = "5"
    & skf21("6","4","1","2","4","3","7","1") = "6"
    & skf21("6","4","1","2","4","4","1","1") = "5"
    & skf21("6","4","1","2","4","4","2","1") = "5"
    & skf21("6","4","1","2","4","4","3","1") = "5"
    & skf21("6","4","1","2","4","4","4","1") = "5"
    & skf21("6","4","1","2","4","4","5","1") = "5"
    & skf21("6","4","1","2","4","4","6","1") = "5"
    & skf21("6","4","1","2","4","4","7","1") = "6"
    & skf21("6","4","1","2","4","5","1","1") = "5"
    & skf21("6","4","1","2","4","5","2","1") = "5"
    & skf21("6","4","1","2","4","5","3","1") = "5"
    & skf21("6","4","1","2","4","5","4","1") = "5"
    & skf21("6","4","1","2","4","5","5","1") = "5"
    & skf21("6","4","1","2","4","5","6","1") = "5"
    & skf21("6","4","1","2","4","5","7","1") = "6"
    & skf21("6","4","1","2","4","6","1","1") = "5"
    & skf21("6","4","1","2","4","6","2","1") = "5"
    & skf21("6","4","1","2","4","6","3","1") = "5"
    & skf21("6","4","1","2","4","6","4","1") = "5"
    & skf21("6","4","1","2","4","6","5","1") = "5"
    & skf21("6","4","1","2","4","6","6","1") = "5"
    & skf21("6","4","1","2","4","6","7","1") = "6"
    & skf21("6","4","1","2","4","7","1","1") = "6"
    & skf21("6","4","1","2","4","7","2","1") = "6"
    & skf21("6","4","1","2","4","7","3","1") = "6"
    & skf21("6","4","1","2","4","7","4","1") = "6"
    & skf21("6","4","1","2","4","7","5","1") = "6"
    & skf21("6","4","1","2","4","7","6","1") = "6"
    & skf21("6","4","1","2","4","7","7","1") = "6"
    & skf21("6","4","1","2","5","1","1","1") = "5"
    & skf21("6","4","1","2","5","1","2","1") = "5"
    & skf21("6","4","1","2","5","1","3","1") = "5"
    & skf21("6","4","1","2","5","1","4","1") = "5"
    & skf21("6","4","1","2","5","1","5","1") = "5"
    & skf21("6","4","1","2","5","1","6","1") = "5"
    & skf21("6","4","1","2","5","1","7","1") = "6"
    & skf21("6","4","1","2","5","2","1","1") = "5"
    & skf21("6","4","1","2","5","2","2","1") = "5"
    & skf21("6","4","1","2","5","2","3","1") = "5"
    & skf21("6","4","1","2","5","2","4","1") = "5"
    & skf21("6","4","1","2","5","2","5","1") = "5"
    & skf21("6","4","1","2","5","2","6","1") = "5"
    & skf21("6","4","1","2","5","2","7","1") = "6"
    & skf21("6","4","1","2","5","3","1","1") = "5"
    & skf21("6","4","1","2","5","3","2","1") = "5"
    & skf21("6","4","1","2","5","3","3","1") = "5"
    & skf21("6","4","1","2","5","3","4","1") = "5"
    & skf21("6","4","1","2","5","3","5","1") = "5"
    & skf21("6","4","1","2","5","3","6","1") = "5"
    & skf21("6","4","1","2","5","3","7","1") = "6"
    & skf21("6","4","1","2","5","4","1","1") = "5"
    & skf21("6","4","1","2","5","4","2","1") = "5"
    & skf21("6","4","1","2","5","4","3","1") = "5"
    & skf21("6","4","1","2","5","4","4","1") = "5"
    & skf21("6","4","1","2","5","4","5","1") = "5"
    & skf21("6","4","1","2","5","4","6","1") = "5"
    & skf21("6","4","1","2","5","4","7","1") = "6"
    & skf21("6","4","1","2","5","5","1","1") = "5"
    & skf21("6","4","1","2","5","5","2","1") = "5"
    & skf21("6","4","1","2","5","5","3","1") = "5"
    & skf21("6","4","1","2","5","5","4","1") = "5"
    & skf21("6","4","1","2","5","5","5","1") = "5"
    & skf21("6","4","1","2","5","5","6","1") = "5"
    & skf21("6","4","1","2","5","5","7","1") = "6"
    & skf21("6","4","1","2","5","6","1","1") = "5"
    & skf21("6","4","1","2","5","6","2","1") = "5"
    & skf21("6","4","1","2","5","6","3","1") = "5"
    & skf21("6","4","1","2","5","6","4","1") = "5"
    & skf21("6","4","1","2","5","6","5","1") = "5"
    & skf21("6","4","1","2","5","6","6","1") = "5"
    & skf21("6","4","1","2","5","6","7","1") = "6"
    & skf21("6","4","1","2","5","7","1","1") = "6"
    & skf21("6","4","1","2","5","7","2","1") = "6"
    & skf21("6","4","1","2","5","7","3","1") = "6"
    & skf21("6","4","1","2","5","7","4","1") = "6"
    & skf21("6","4","1","2","5","7","5","1") = "6"
    & skf21("6","4","1","2","5","7","6","1") = "6"
    & skf21("6","4","1","2","5","7","7","1") = "6"
    & skf21("6","4","1","2","6","1","1","1") = "5"
    & skf21("6","4","1","2","6","1","2","1") = "5"
    & skf21("6","4","1","2","6","1","3","1") = "5"
    & skf21("6","4","1","2","6","1","4","1") = "5"
    & skf21("6","4","1","2","6","1","5","1") = "5"
    & skf21("6","4","1","2","6","1","6","1") = "5"
    & skf21("6","4","1","2","6","1","7","1") = "6"
    & skf21("6","4","1","2","6","2","1","1") = "5"
    & skf21("6","4","1","2","6","2","2","1") = "5"
    & skf21("6","4","1","2","6","2","3","1") = "5"
    & skf21("6","4","1","2","6","2","4","1") = "5"
    & skf21("6","4","1","2","6","2","5","1") = "5"
    & skf21("6","4","1","2","6","2","6","1") = "5"
    & skf21("6","4","1","2","6","2","7","1") = "6"
    & skf21("6","4","1","2","6","3","1","1") = "5"
    & skf21("6","4","1","2","6","3","2","1") = "5"
    & skf21("6","4","1","2","6","3","3","1") = "5"
    & skf21("6","4","1","2","6","3","4","1") = "5"
    & skf21("6","4","1","2","6","3","5","1") = "5"
    & skf21("6","4","1","2","6","3","6","1") = "5"
    & skf21("6","4","1","2","6","3","7","1") = "6"
    & skf21("6","4","1","2","6","4","1","1") = "5"
    & skf21("6","4","1","2","6","4","2","1") = "5"
    & skf21("6","4","1","2","6","4","3","1") = "5"
    & skf21("6","4","1","2","6","4","4","1") = "5"
    & skf21("6","4","1","2","6","4","5","1") = "5"
    & skf21("6","4","1","2","6","4","6","1") = "5"
    & skf21("6","4","1","2","6","4","7","1") = "6"
    & skf21("6","4","1","2","6","5","1","1") = "5"
    & skf21("6","4","1","2","6","5","2","1") = "5"
    & skf21("6","4","1","2","6","5","3","1") = "5"
    & skf21("6","4","1","2","6","5","4","1") = "5"
    & skf21("6","4","1","2","6","5","5","1") = "5"
    & skf21("6","4","1","2","6","5","6","1") = "5"
    & skf21("6","4","1","2","6","5","7","1") = "6"
    & skf21("6","4","1","2","6","6","1","1") = "5"
    & skf21("6","4","1","2","6","6","2","1") = "5"
    & skf21("6","4","1","2","6","6","3","1") = "5"
    & skf21("6","4","1","2","6","6","4","1") = "5"
    & skf21("6","4","1","2","6","6","5","1") = "5"
    & skf21("6","4","1","2","6","6","6","1") = "5"
    & skf21("6","4","1","2","6","6","7","1") = "6"
    & skf21("6","4","1","2","6","7","1","1") = "6"
    & skf21("6","4","1","2","6","7","2","1") = "6"
    & skf21("6","4","1","2","6","7","3","1") = "6"
    & skf21("6","4","1","2","6","7","4","1") = "6"
    & skf21("6","4","1","2","6","7","5","1") = "6"
    & skf21("6","4","1","2","6","7","6","1") = "6"
    & skf21("6","4","1","2","6","7","7","1") = "6"
    & skf21("6","4","1","2","7","1","1","1") = "6"
    & skf21("6","4","1","2","7","1","2","1") = "6"
    & skf21("6","4","1","2","7","1","3","1") = "6"
    & skf21("6","4","1","2","7","1","4","1") = "6"
    & skf21("6","4","1","2","7","1","5","1") = "6"
    & skf21("6","4","1","2","7","1","6","1") = "6"
    & skf21("6","4","1","2","7","1","7","1") = "6"
    & skf21("6","4","1","2","7","2","1","1") = "6"
    & skf21("6","4","1","2","7","2","2","1") = "6"
    & skf21("6","4","1","2","7","2","3","1") = "6"
    & skf21("6","4","1","2","7","2","4","1") = "6"
    & skf21("6","4","1","2","7","2","5","1") = "6"
    & skf21("6","4","1","2","7","2","6","1") = "6"
    & skf21("6","4","1","2","7","2","7","1") = "6"
    & skf21("6","4","1","2","7","3","1","1") = "6"
    & skf21("6","4","1","2","7","3","2","1") = "6"
    & skf21("6","4","1","2","7","3","3","1") = "6"
    & skf21("6","4","1","2","7","3","4","1") = "6"
    & skf21("6","4","1","2","7","3","5","1") = "6"
    & skf21("6","4","1","2","7","3","6","1") = "6"
    & skf21("6","4","1","2","7","3","7","1") = "6"
    & skf21("6","4","1","2","7","4","1","1") = "6"
    & skf21("6","4","1","2","7","4","2","1") = "6"
    & skf21("6","4","1","2","7","4","3","1") = "6"
    & skf21("6","4","1","2","7","4","4","1") = "6"
    & skf21("6","4","1","2","7","4","5","1") = "6"
    & skf21("6","4","1","2","7","4","6","1") = "6"
    & skf21("6","4","1","2","7","4","7","1") = "6"
    & skf21("6","4","1","2","7","5","1","1") = "6"
    & skf21("6","4","1","2","7","5","2","1") = "6"
    & skf21("6","4","1","2","7","5","3","1") = "6"
    & skf21("6","4","1","2","7","5","4","1") = "6"
    & skf21("6","4","1","2","7","5","5","1") = "6"
    & skf21("6","4","1","2","7","5","6","1") = "6"
    & skf21("6","4","1","2","7","5","7","1") = "6"
    & skf21("6","4","1","2","7","6","1","1") = "6"
    & skf21("6","4","1","2","7","6","2","1") = "6"
    & skf21("6","4","1","2","7","6","3","1") = "6"
    & skf21("6","4","1","2","7","6","4","1") = "6"
    & skf21("6","4","1","2","7","6","5","1") = "6"
    & skf21("6","4","1","2","7","6","6","1") = "6"
    & skf21("6","4","1","2","7","6","7","1") = "6"
    & skf21("6","4","1","2","7","7","1","1") = "6"
    & skf21("6","4","1","2","7","7","2","1") = "6"
    & skf21("6","4","1","2","7","7","3","1") = "6"
    & skf21("6","4","1","2","7","7","4","1") = "6"
    & skf21("6","4","1","2","7","7","5","1") = "6"
    & skf21("6","4","1","2","7","7","6","1") = "6"
    & skf21("6","4","1","2","7","7","7","1") = "6"
    & skf21("6","4","1","3","1","1","1","1") = "5"
    & skf21("6","4","1","3","1","1","2","1") = "5"
    & skf21("6","4","1","3","1","1","3","1") = "5"
    & skf21("6","4","1","3","1","1","4","1") = "5"
    & skf21("6","4","1","3","1","1","5","1") = "5"
    & skf21("6","4","1","3","1","1","6","1") = "5"
    & skf21("6","4","1","3","1","1","7","1") = "6"
    & skf21("6","4","1","3","1","2","1","1") = "5"
    & skf21("6","4","1","3","1","2","2","1") = "5"
    & skf21("6","4","1","3","1","2","3","1") = "5"
    & skf21("6","4","1","3","1","2","4","1") = "5"
    & skf21("6","4","1","3","1","2","5","1") = "5"
    & skf21("6","4","1","3","1","2","6","1") = "5"
    & skf21("6","4","1","3","1","2","7","1") = "6"
    & skf21("6","4","1","3","1","3","1","1") = "5"
    & skf21("6","4","1","3","1","3","2","1") = "5"
    & skf21("6","4","1","3","1","3","3","1") = "5"
    & skf21("6","4","1","3","1","3","4","1") = "5"
    & skf21("6","4","1","3","1","3","5","1") = "5"
    & skf21("6","4","1","3","1","3","6","1") = "5"
    & skf21("6","4","1","3","1","3","7","1") = "6"
    & skf21("6","4","1","3","1","4","1","1") = "5"
    & skf21("6","4","1","3","1","4","2","1") = "5"
    & skf21("6","4","1","3","1","4","3","1") = "5"
    & skf21("6","4","1","3","1","4","4","1") = "5"
    & skf21("6","4","1","3","1","4","5","1") = "5"
    & skf21("6","4","1","3","1","4","6","1") = "5"
    & skf21("6","4","1","3","1","4","7","1") = "6"
    & skf21("6","4","1","3","1","5","1","1") = "5"
    & skf21("6","4","1","3","1","5","2","1") = "5"
    & skf21("6","4","1","3","1","5","3","1") = "5"
    & skf21("6","4","1","3","1","5","4","1") = "5"
    & skf21("6","4","1","3","1","5","5","1") = "5"
    & skf21("6","4","1","3","1","5","6","1") = "5"
    & skf21("6","4","1","3","1","5","7","1") = "6"
    & skf21("6","4","1","3","1","6","1","1") = "5"
    & skf21("6","4","1","3","1","6","2","1") = "5"
    & skf21("6","4","1","3","1","6","3","1") = "5"
    & skf21("6","4","1","3","1","6","4","1") = "5"
    & skf21("6","4","1","3","1","6","5","1") = "5"
    & skf21("6","4","1","3","1","6","6","1") = "5"
    & skf21("6","4","1","3","1","6","7","1") = "6"
    & skf21("6","4","1","3","1","7","1","1") = "6"
    & skf21("6","4","1","3","1","7","2","1") = "6"
    & skf21("6","4","1","3","1","7","3","1") = "6"
    & skf21("6","4","1","3","1","7","4","1") = "6"
    & skf21("6","4","1","3","1","7","5","1") = "6"
    & skf21("6","4","1","3","1","7","6","1") = "6"
    & skf21("6","4","1","3","1","7","7","1") = "6"
    & skf21("6","4","1","3","2","1","1","1") = "5"
    & skf21("6","4","1","3","2","1","2","1") = "5"
    & skf21("6","4","1","3","2","1","3","1") = "5"
    & skf21("6","4","1","3","2","1","4","1") = "5"
    & skf21("6","4","1","3","2","1","5","1") = "5"
    & skf21("6","4","1","3","2","1","6","1") = "5"
    & skf21("6","4","1","3","2","1","7","1") = "6"
    & skf21("6","4","1","3","2","2","1","1") = "5"
    & skf21("6","4","1","3","2","2","2","1") = "5"
    & skf21("6","4","1","3","2","2","3","1") = "5"
    & skf21("6","4","1","3","2","2","4","1") = "5"
    & skf21("6","4","1","3","2","2","5","1") = "5"
    & skf21("6","4","1","3","2","2","6","1") = "5"
    & skf21("6","4","1","3","2","2","7","1") = "6"
    & skf21("6","4","1","3","2","3","1","1") = "5"
    & skf21("6","4","1","3","2","3","2","1") = "5"
    & skf21("6","4","1","3","2","3","3","1") = "5"
    & skf21("6","4","1","3","2","3","4","1") = "5"
    & skf21("6","4","1","3","2","3","5","1") = "5"
    & skf21("6","4","1","3","2","3","6","1") = "5"
    & skf21("6","4","1","3","2","3","7","1") = "6"
    & skf21("6","4","1","3","2","4","1","1") = "5"
    & skf21("6","4","1","3","2","4","2","1") = "5"
    & skf21("6","4","1","3","2","4","3","1") = "5"
    & skf21("6","4","1","3","2","4","4","1") = "5"
    & skf21("6","4","1","3","2","4","5","1") = "5"
    & skf21("6","4","1","3","2","4","6","1") = "5"
    & skf21("6","4","1","3","2","4","7","1") = "6"
    & skf21("6","4","1","3","2","5","1","1") = "5"
    & skf21("6","4","1","3","2","5","2","1") = "5"
    & skf21("6","4","1","3","2","5","3","1") = "5"
    & skf21("6","4","1","3","2","5","4","1") = "5"
    & skf21("6","4","1","3","2","5","5","1") = "5"
    & skf21("6","4","1","3","2","5","6","1") = "5"
    & skf21("6","4","1","3","2","5","7","1") = "6"
    & skf21("6","4","1","3","2","6","1","1") = "5"
    & skf21("6","4","1","3","2","6","2","1") = "5"
    & skf21("6","4","1","3","2","6","3","1") = "5"
    & skf21("6","4","1","3","2","6","4","1") = "5"
    & skf21("6","4","1","3","2","6","5","1") = "5"
    & skf21("6","4","1","3","2","6","6","1") = "5"
    & skf21("6","4","1","3","2","6","7","1") = "6"
    & skf21("6","4","1","3","2","7","1","1") = "6"
    & skf21("6","4","1","3","2","7","2","1") = "6"
    & skf21("6","4","1","3","2","7","3","1") = "6"
    & skf21("6","4","1","3","2","7","4","1") = "6"
    & skf21("6","4","1","3","2","7","5","1") = "6"
    & skf21("6","4","1","3","2","7","6","1") = "6"
    & skf21("6","4","1","3","2","7","7","1") = "6"
    & skf21("6","4","1","3","3","1","1","1") = "5"
    & skf21("6","4","1","3","3","1","2","1") = "5"
    & skf21("6","4","1","3","3","1","3","1") = "5"
    & skf21("6","4","1","3","3","1","4","1") = "5"
    & skf21("6","4","1","3","3","1","5","1") = "5"
    & skf21("6","4","1","3","3","1","6","1") = "5"
    & skf21("6","4","1","3","3","1","7","1") = "6"
    & skf21("6","4","1","3","3","2","1","1") = "5"
    & skf21("6","4","1","3","3","2","2","1") = "5"
    & skf21("6","4","1","3","3","2","3","1") = "5"
    & skf21("6","4","1","3","3","2","4","1") = "5"
    & skf21("6","4","1","3","3","2","5","1") = "5"
    & skf21("6","4","1","3","3","2","6","1") = "5"
    & skf21("6","4","1","3","3","2","7","1") = "6"
    & skf21("6","4","1","3","3","3","1","1") = "5"
    & skf21("6","4","1","3","3","3","2","1") = "5"
    & skf21("6","4","1","3","3","3","3","1") = "5"
    & skf21("6","4","1","3","3","3","4","1") = "5"
    & skf21("6","4","1","3","3","3","5","1") = "5"
    & skf21("6","4","1","3","3","3","6","1") = "5"
    & skf21("6","4","1","3","3","3","7","1") = "6"
    & skf21("6","4","1","3","3","4","1","1") = "5"
    & skf21("6","4","1","3","3","4","2","1") = "5"
    & skf21("6","4","1","3","3","4","3","1") = "5"
    & skf21("6","4","1","3","3","4","4","1") = "5"
    & skf21("6","4","1","3","3","4","5","1") = "5"
    & skf21("6","4","1","3","3","4","6","1") = "5"
    & skf21("6","4","1","3","3","4","7","1") = "6"
    & skf21("6","4","1","3","3","5","1","1") = "5"
    & skf21("6","4","1","3","3","5","2","1") = "5"
    & skf21("6","4","1","3","3","5","3","1") = "5"
    & skf21("6","4","1","3","3","5","4","1") = "5"
    & skf21("6","4","1","3","3","5","5","1") = "5"
    & skf21("6","4","1","3","3","5","6","1") = "5"
    & skf21("6","4","1","3","3","5","7","1") = "6"
    & skf21("6","4","1","3","3","6","1","1") = "5"
    & skf21("6","4","1","3","3","6","2","1") = "5"
    & skf21("6","4","1","3","3","6","3","1") = "5"
    & skf21("6","4","1","3","3","6","4","1") = "5"
    & skf21("6","4","1","3","3","6","5","1") = "5"
    & skf21("6","4","1","3","3","6","6","1") = "5"
    & skf21("6","4","1","3","3","6","7","1") = "6"
    & skf21("6","4","1","3","3","7","1","1") = "6"
    & skf21("6","4","1","3","3","7","2","1") = "6"
    & skf21("6","4","1","3","3","7","3","1") = "6"
    & skf21("6","4","1","3","3","7","4","1") = "6"
    & skf21("6","4","1","3","3","7","5","1") = "6"
    & skf21("6","4","1","3","3","7","6","1") = "6"
    & skf21("6","4","1","3","3","7","7","1") = "6"
    & skf21("6","4","1","3","4","1","1","1") = "5"
    & skf21("6","4","1","3","4","1","2","1") = "5"
    & skf21("6","4","1","3","4","1","3","1") = "5"
    & skf21("6","4","1","3","4","1","4","1") = "5"
    & skf21("6","4","1","3","4","1","5","1") = "5"
    & skf21("6","4","1","3","4","1","6","1") = "5"
    & skf21("6","4","1","3","4","1","7","1") = "6"
    & skf21("6","4","1","3","4","2","1","1") = "5"
    & skf21("6","4","1","3","4","2","2","1") = "5"
    & skf21("6","4","1","3","4","2","3","1") = "5"
    & skf21("6","4","1","3","4","2","4","1") = "5"
    & skf21("6","4","1","3","4","2","5","1") = "5"
    & skf21("6","4","1","3","4","2","6","1") = "5"
    & skf21("6","4","1","3","4","2","7","1") = "6"
    & skf21("6","4","1","3","4","3","1","1") = "5"
    & skf21("6","4","1","3","4","3","2","1") = "5"
    & skf21("6","4","1","3","4","3","3","1") = "5"
    & skf21("6","4","1","3","4","3","4","1") = "5"
    & skf21("6","4","1","3","4","3","5","1") = "5"
    & skf21("6","4","1","3","4","3","6","1") = "5"
    & skf21("6","4","1","3","4","3","7","1") = "6"
    & skf21("6","4","1","3","4","4","1","1") = "5"
    & skf21("6","4","1","3","4","4","2","1") = "5"
    & skf21("6","4","1","3","4","4","3","1") = "5"
    & skf21("6","4","1","3","4","4","4","1") = "5"
    & skf21("6","4","1","3","4","4","5","1") = "5"
    & skf21("6","4","1","3","4","4","6","1") = "5"
    & skf21("6","4","1","3","4","4","7","1") = "6"
    & skf21("6","4","1","3","4","5","1","1") = "5"
    & skf21("6","4","1","3","4","5","2","1") = "5"
    & skf21("6","4","1","3","4","5","3","1") = "5"
    & skf21("6","4","1","3","4","5","4","1") = "5"
    & skf21("6","4","1","3","4","5","5","1") = "5"
    & skf21("6","4","1","3","4","5","6","1") = "5"
    & skf21("6","4","1","3","4","5","7","1") = "6"
    & skf21("6","4","1","3","4","6","1","1") = "5"
    & skf21("6","4","1","3","4","6","2","1") = "5"
    & skf21("6","4","1","3","4","6","3","1") = "5"
    & skf21("6","4","1","3","4","6","4","1") = "5"
    & skf21("6","4","1","3","4","6","5","1") = "5"
    & skf21("6","4","1","3","4","6","6","1") = "5"
    & skf21("6","4","1","3","4","6","7","1") = "6"
    & skf21("6","4","1","3","4","7","1","1") = "6"
    & skf21("6","4","1","3","4","7","2","1") = "6"
    & skf21("6","4","1","3","4","7","3","1") = "6"
    & skf21("6","4","1","3","4","7","4","1") = "6"
    & skf21("6","4","1","3","4","7","5","1") = "6"
    & skf21("6","4","1","3","4","7","6","1") = "6"
    & skf21("6","4","1","3","4","7","7","1") = "6"
    & skf21("6","4","1","3","5","1","1","1") = "5"
    & skf21("6","4","1","3","5","1","2","1") = "5"
    & skf21("6","4","1","3","5","1","3","1") = "5"
    & skf21("6","4","1","3","5","1","4","1") = "5"
    & skf21("6","4","1","3","5","1","5","1") = "5"
    & skf21("6","4","1","3","5","1","6","1") = "5"
    & skf21("6","4","1","3","5","1","7","1") = "6"
    & skf21("6","4","1","3","5","2","1","1") = "5"
    & skf21("6","4","1","3","5","2","2","1") = "5"
    & skf21("6","4","1","3","5","2","3","1") = "5"
    & skf21("6","4","1","3","5","2","4","1") = "5"
    & skf21("6","4","1","3","5","2","5","1") = "5"
    & skf21("6","4","1","3","5","2","6","1") = "5"
    & skf21("6","4","1","3","5","2","7","1") = "6"
    & skf21("6","4","1","3","5","3","1","1") = "5"
    & skf21("6","4","1","3","5","3","2","1") = "5"
    & skf21("6","4","1","3","5","3","3","1") = "5"
    & skf21("6","4","1","3","5","3","4","1") = "5"
    & skf21("6","4","1","3","5","3","5","1") = "5"
    & skf21("6","4","1","3","5","3","6","1") = "5"
    & skf21("6","4","1","3","5","3","7","1") = "6"
    & skf21("6","4","1","3","5","4","1","1") = "5"
    & skf21("6","4","1","3","5","4","2","1") = "5"
    & skf21("6","4","1","3","5","4","3","1") = "5"
    & skf21("6","4","1","3","5","4","4","1") = "5"
    & skf21("6","4","1","3","5","4","5","1") = "5"
    & skf21("6","4","1","3","5","4","6","1") = "5"
    & skf21("6","4","1","3","5","4","7","1") = "6"
    & skf21("6","4","1","3","5","5","1","1") = "5"
    & skf21("6","4","1","3","5","5","2","1") = "5"
    & skf21("6","4","1","3","5","5","3","1") = "5"
    & skf21("6","4","1","3","5","5","4","1") = "5"
    & skf21("6","4","1","3","5","5","5","1") = "5"
    & skf21("6","4","1","3","5","5","6","1") = "5"
    & skf21("6","4","1","3","5","5","7","1") = "6"
    & skf21("6","4","1","3","5","6","1","1") = "5"
    & skf21("6","4","1","3","5","6","2","1") = "5"
    & skf21("6","4","1","3","5","6","3","1") = "5"
    & skf21("6","4","1","3","5","6","4","1") = "5"
    & skf21("6","4","1","3","5","6","5","1") = "5"
    & skf21("6","4","1","3","5","6","6","1") = "5"
    & skf21("6","4","1","3","5","6","7","1") = "6"
    & skf21("6","4","1","3","5","7","1","1") = "6"
    & skf21("6","4","1","3","5","7","2","1") = "6"
    & skf21("6","4","1","3","5","7","3","1") = "6"
    & skf21("6","4","1","3","5","7","4","1") = "6"
    & skf21("6","4","1","3","5","7","5","1") = "6"
    & skf21("6","4","1","3","5","7","6","1") = "6"
    & skf21("6","4","1","3","5","7","7","1") = "6"
    & skf21("6","4","1","3","6","1","1","1") = "5"
    & skf21("6","4","1","3","6","1","2","1") = "5"
    & skf21("6","4","1","3","6","1","3","1") = "5"
    & skf21("6","4","1","3","6","1","4","1") = "5"
    & skf21("6","4","1","3","6","1","5","1") = "5"
    & skf21("6","4","1","3","6","1","6","1") = "5"
    & skf21("6","4","1","3","6","1","7","1") = "6"
    & skf21("6","4","1","3","6","2","1","1") = "5"
    & skf21("6","4","1","3","6","2","2","1") = "5"
    & skf21("6","4","1","3","6","2","3","1") = "5"
    & skf21("6","4","1","3","6","2","4","1") = "5"
    & skf21("6","4","1","3","6","2","5","1") = "5"
    & skf21("6","4","1","3","6","2","6","1") = "5"
    & skf21("6","4","1","3","6","2","7","1") = "6"
    & skf21("6","4","1","3","6","3","1","1") = "5"
    & skf21("6","4","1","3","6","3","2","1") = "5"
    & skf21("6","4","1","3","6","3","3","1") = "5"
    & skf21("6","4","1","3","6","3","4","1") = "5"
    & skf21("6","4","1","3","6","3","5","1") = "5"
    & skf21("6","4","1","3","6","3","6","1") = "5"
    & skf21("6","4","1","3","6","3","7","1") = "6"
    & skf21("6","4","1","3","6","4","1","1") = "5"
    & skf21("6","4","1","3","6","4","2","1") = "5"
    & skf21("6","4","1","3","6","4","3","1") = "5"
    & skf21("6","4","1","3","6","4","4","1") = "5"
    & skf21("6","4","1","3","6","4","5","1") = "5"
    & skf21("6","4","1","3","6","4","6","1") = "5"
    & skf21("6","4","1","3","6","4","7","1") = "6"
    & skf21("6","4","1","3","6","5","1","1") = "5"
    & skf21("6","4","1","3","6","5","2","1") = "5"
    & skf21("6","4","1","3","6","5","3","1") = "5"
    & skf21("6","4","1","3","6","5","4","1") = "5"
    & skf21("6","4","1","3","6","5","5","1") = "5"
    & skf21("6","4","1","3","6","5","6","1") = "5"
    & skf21("6","4","1","3","6","5","7","1") = "6"
    & skf21("6","4","1","3","6","6","1","1") = "5"
    & skf21("6","4","1","3","6","6","2","1") = "5"
    & skf21("6","4","1","3","6","6","3","1") = "5"
    & skf21("6","4","1","3","6","6","4","1") = "5"
    & skf21("6","4","1","3","6","6","5","1") = "5"
    & skf21("6","4","1","3","6","6","6","1") = "5"
    & skf21("6","4","1","3","6","6","7","1") = "6"
    & skf21("6","4","1","3","6","7","1","1") = "6"
    & skf21("6","4","1","3","6","7","2","1") = "6"
    & skf21("6","4","1","3","6","7","3","1") = "6"
    & skf21("6","4","1","3","6","7","4","1") = "6"
    & skf21("6","4","1","3","6","7","5","1") = "6"
    & skf21("6","4","1","3","6","7","6","1") = "6"
    & skf21("6","4","1","3","6","7","7","1") = "6"
    & skf21("6","4","1","3","7","1","1","1") = "6"
    & skf21("6","4","1","3","7","1","2","1") = "6"
    & skf21("6","4","1","3","7","1","3","1") = "6"
    & skf21("6","4","1","3","7","1","4","1") = "6"
    & skf21("6","4","1","3","7","1","5","1") = "6"
    & skf21("6","4","1","3","7","1","6","1") = "6"
    & skf21("6","4","1","3","7","1","7","1") = "6"
    & skf21("6","4","1","3","7","2","1","1") = "6"
    & skf21("6","4","1","3","7","2","2","1") = "6"
    & skf21("6","4","1","3","7","2","3","1") = "6"
    & skf21("6","4","1","3","7","2","4","1") = "6"
    & skf21("6","4","1","3","7","2","5","1") = "6"
    & skf21("6","4","1","3","7","2","6","1") = "6"
    & skf21("6","4","1","3","7","2","7","1") = "6"
    & skf21("6","4","1","3","7","3","1","1") = "6"
    & skf21("6","4","1","3","7","3","2","1") = "6"
    & skf21("6","4","1","3","7","3","3","1") = "6"
    & skf21("6","4","1","3","7","3","4","1") = "6"
    & skf21("6","4","1","3","7","3","5","1") = "6"
    & skf21("6","4","1","3","7","3","6","1") = "6"
    & skf21("6","4","1","3","7","3","7","1") = "6"
    & skf21("6","4","1","3","7","4","1","1") = "6"
    & skf21("6","4","1","3","7","4","2","1") = "6"
    & skf21("6","4","1","3","7","4","3","1") = "6"
    & skf21("6","4","1","3","7","4","4","1") = "6"
    & skf21("6","4","1","3","7","4","5","1") = "6"
    & skf21("6","4","1","3","7","4","6","1") = "6"
    & skf21("6","4","1","3","7","4","7","1") = "6"
    & skf21("6","4","1","3","7","5","1","1") = "6"
    & skf21("6","4","1","3","7","5","2","1") = "6"
    & skf21("6","4","1","3","7","5","3","1") = "6"
    & skf21("6","4","1","3","7","5","4","1") = "6"
    & skf21("6","4","1","3","7","5","5","1") = "6"
    & skf21("6","4","1","3","7","5","6","1") = "6"
    & skf21("6","4","1","3","7","5","7","1") = "6"
    & skf21("6","4","1","3","7","6","1","1") = "6"
    & skf21("6","4","1","3","7","6","2","1") = "6"
    & skf21("6","4","1","3","7","6","3","1") = "6"
    & skf21("6","4","1","3","7","6","4","1") = "6"
    & skf21("6","4","1","3","7","6","5","1") = "6"
    & skf21("6","4","1","3","7","6","6","1") = "6"
    & skf21("6","4","1","3","7","6","7","1") = "6"
    & skf21("6","4","1","3","7","7","1","1") = "6"
    & skf21("6","4","1","3","7","7","2","1") = "6"
    & skf21("6","4","1","3","7","7","3","1") = "6"
    & skf21("6","4","1","3","7","7","4","1") = "6"
    & skf21("6","4","1","3","7","7","5","1") = "6"
    & skf21("6","4","1","3","7","7","6","1") = "6"
    & skf21("6","4","1","3","7","7","7","1") = "6"
    & skf21("6","4","1","4","1","1","1","1") = "5"
    & skf21("6","4","1","4","1","1","2","1") = "5"
    & skf21("6","4","1","4","1","1","3","1") = "5"
    & skf21("6","4","1","4","1","1","4","1") = "5"
    & skf21("6","4","1","4","1","1","5","1") = "5"
    & skf21("6","4","1","4","1","1","6","1") = "5"
    & skf21("6","4","1","4","1","1","7","1") = "6"
    & skf21("6","4","1","4","1","2","1","1") = "5"
    & skf21("6","4","1","4","1","2","2","1") = "5"
    & skf21("6","4","1","4","1","2","3","1") = "5"
    & skf21("6","4","1","4","1","2","4","1") = "5"
    & skf21("6","4","1","4","1","2","5","1") = "5"
    & skf21("6","4","1","4","1","2","6","1") = "5"
    & skf21("6","4","1","4","1","2","7","1") = "6"
    & skf21("6","4","1","4","1","3","1","1") = "5"
    & skf21("6","4","1","4","1","3","2","1") = "5"
    & skf21("6","4","1","4","1","3","3","1") = "5"
    & skf21("6","4","1","4","1","3","4","1") = "5"
    & skf21("6","4","1","4","1","3","5","1") = "5"
    & skf21("6","4","1","4","1","3","6","1") = "5"
    & skf21("6","4","1","4","1","3","7","1") = "6"
    & skf21("6","4","1","4","1","4","1","1") = "5"
    & skf21("6","4","1","4","1","4","2","1") = "5"
    & skf21("6","4","1","4","1","4","3","1") = "5"
    & skf21("6","4","1","4","1","4","4","1") = "5"
    & skf21("6","4","1","4","1","4","5","1") = "5"
    & skf21("6","4","1","4","1","4","6","1") = "5"
    & skf21("6","4","1","4","1","4","7","1") = "6"
    & skf21("6","4","1","4","1","5","1","1") = "5"
    & skf21("6","4","1","4","1","5","2","1") = "5"
    & skf21("6","4","1","4","1","5","3","1") = "5"
    & skf21("6","4","1","4","1","5","4","1") = "5"
    & skf21("6","4","1","4","1","5","5","1") = "5"
    & skf21("6","4","1","4","1","5","6","1") = "5"
    & skf21("6","4","1","4","1","5","7","1") = "6"
    & skf21("6","4","1","4","1","6","1","1") = "5"
    & skf21("6","4","1","4","1","6","2","1") = "5"
    & skf21("6","4","1","4","1","6","3","1") = "5"
    & skf21("6","4","1","4","1","6","4","1") = "5"
    & skf21("6","4","1","4","1","6","5","1") = "5"
    & skf21("6","4","1","4","1","6","6","1") = "5"
    & skf21("6","4","1","4","1","6","7","1") = "6"
    & skf21("6","4","1","4","1","7","1","1") = "6"
    & skf21("6","4","1","4","1","7","2","1") = "6"
    & skf21("6","4","1","4","1","7","3","1") = "6"
    & skf21("6","4","1","4","1","7","4","1") = "6"
    & skf21("6","4","1","4","1","7","5","1") = "6"
    & skf21("6","4","1","4","1","7","6","1") = "6"
    & skf21("6","4","1","4","1","7","7","1") = "6"
    & skf21("6","4","1","4","2","1","1","1") = "5"
    & skf21("6","4","1","4","2","1","2","1") = "5"
    & skf21("6","4","1","4","2","1","3","1") = "5"
    & skf21("6","4","1","4","2","1","4","1") = "5"
    & skf21("6","4","1","4","2","1","5","1") = "5"
    & skf21("6","4","1","4","2","1","6","1") = "5"
    & skf21("6","4","1","4","2","1","7","1") = "6"
    & skf21("6","4","1","4","2","2","1","1") = "5"
    & skf21("6","4","1","4","2","2","2","1") = "5"
    & skf21("6","4","1","4","2","2","3","1") = "5"
    & skf21("6","4","1","4","2","2","4","1") = "5"
    & skf21("6","4","1","4","2","2","5","1") = "5"
    & skf21("6","4","1","4","2","2","6","1") = "5"
    & skf21("6","4","1","4","2","2","7","1") = "6"
    & skf21("6","4","1","4","2","3","1","1") = "5"
    & skf21("6","4","1","4","2","3","2","1") = "5"
    & skf21("6","4","1","4","2","3","3","1") = "5"
    & skf21("6","4","1","4","2","3","4","1") = "5"
    & skf21("6","4","1","4","2","3","5","1") = "5"
    & skf21("6","4","1","4","2","3","6","1") = "5"
    & skf21("6","4","1","4","2","3","7","1") = "6"
    & skf21("6","4","1","4","2","4","1","1") = "5"
    & skf21("6","4","1","4","2","4","2","1") = "5"
    & skf21("6","4","1","4","2","4","3","1") = "5"
    & skf21("6","4","1","4","2","4","4","1") = "5"
    & skf21("6","4","1","4","2","4","5","1") = "5"
    & skf21("6","4","1","4","2","4","6","1") = "5"
    & skf21("6","4","1","4","2","4","7","1") = "6"
    & skf21("6","4","1","4","2","5","1","1") = "5"
    & skf21("6","4","1","4","2","5","2","1") = "5"
    & skf21("6","4","1","4","2","5","3","1") = "5"
    & skf21("6","4","1","4","2","5","4","1") = "5"
    & skf21("6","4","1","4","2","5","5","1") = "5"
    & skf21("6","4","1","4","2","5","6","1") = "5"
    & skf21("6","4","1","4","2","5","7","1") = "6"
    & skf21("6","4","1","4","2","6","1","1") = "5"
    & skf21("6","4","1","4","2","6","2","1") = "5"
    & skf21("6","4","1","4","2","6","3","1") = "5"
    & skf21("6","4","1","4","2","6","4","1") = "5"
    & skf21("6","4","1","4","2","6","5","1") = "5"
    & skf21("6","4","1","4","2","6","6","1") = "5"
    & skf21("6","4","1","4","2","6","7","1") = "6"
    & skf21("6","4","1","4","2","7","1","1") = "6"
    & skf21("6","4","1","4","2","7","2","1") = "6"
    & skf21("6","4","1","4","2","7","3","1") = "6"
    & skf21("6","4","1","4","2","7","4","1") = "6"
    & skf21("6","4","1","4","2","7","5","1") = "6"
    & skf21("6","4","1","4","2","7","6","1") = "6"
    & skf21("6","4","1","4","2","7","7","1") = "6"
    & skf21("6","4","1","4","3","1","1","1") = "5"
    & skf21("6","4","1","4","3","1","2","1") = "5"
    & skf21("6","4","1","4","3","1","3","1") = "5"
    & skf21("6","4","1","4","3","1","4","1") = "5"
    & skf21("6","4","1","4","3","1","5","1") = "5"
    & skf21("6","4","1","4","3","1","6","1") = "5"
    & skf21("6","4","1","4","3","1","7","1") = "6"
    & skf21("6","4","1","4","3","2","1","1") = "5"
    & skf21("6","4","1","4","3","2","2","1") = "5"
    & skf21("6","4","1","4","3","2","3","1") = "5"
    & skf21("6","4","1","4","3","2","4","1") = "5"
    & skf21("6","4","1","4","3","2","5","1") = "5"
    & skf21("6","4","1","4","3","2","6","1") = "5"
    & skf21("6","4","1","4","3","2","7","1") = "6"
    & skf21("6","4","1","4","3","3","1","1") = "5"
    & skf21("6","4","1","4","3","3","2","1") = "5"
    & skf21("6","4","1","4","3","3","3","1") = "5"
    & skf21("6","4","1","4","3","3","4","1") = "5"
    & skf21("6","4","1","4","3","3","5","1") = "5"
    & skf21("6","4","1","4","3","3","6","1") = "5"
    & skf21("6","4","1","4","3","3","7","1") = "6"
    & skf21("6","4","1","4","3","4","1","1") = "5"
    & skf21("6","4","1","4","3","4","2","1") = "5"
    & skf21("6","4","1","4","3","4","3","1") = "5"
    & skf21("6","4","1","4","3","4","4","1") = "5"
    & skf21("6","4","1","4","3","4","5","1") = "5"
    & skf21("6","4","1","4","3","4","6","1") = "5"
    & skf21("6","4","1","4","3","4","7","1") = "6"
    & skf21("6","4","1","4","3","5","1","1") = "5"
    & skf21("6","4","1","4","3","5","2","1") = "5"
    & skf21("6","4","1","4","3","5","3","1") = "5"
    & skf21("6","4","1","4","3","5","4","1") = "5"
    & skf21("6","4","1","4","3","5","5","1") = "5"
    & skf21("6","4","1","4","3","5","6","1") = "5"
    & skf21("6","4","1","4","3","5","7","1") = "6"
    & skf21("6","4","1","4","3","6","1","1") = "5"
    & skf21("6","4","1","4","3","6","2","1") = "5"
    & skf21("6","4","1","4","3","6","3","1") = "5"
    & skf21("6","4","1","4","3","6","4","1") = "5"
    & skf21("6","4","1","4","3","6","5","1") = "5"
    & skf21("6","4","1","4","3","6","6","1") = "5"
    & skf21("6","4","1","4","3","6","7","1") = "6"
    & skf21("6","4","1","4","3","7","1","1") = "6"
    & skf21("6","4","1","4","3","7","2","1") = "6"
    & skf21("6","4","1","4","3","7","3","1") = "6"
    & skf21("6","4","1","4","3","7","4","1") = "6"
    & skf21("6","4","1","4","3","7","5","1") = "6"
    & skf21("6","4","1","4","3","7","6","1") = "6"
    & skf21("6","4","1","4","3","7","7","1") = "6"
    & skf21("6","4","1","4","4","1","1","1") = "5"
    & skf21("6","4","1","4","4","1","2","1") = "5"
    & skf21("6","4","1","4","4","1","3","1") = "5"
    & skf21("6","4","1","4","4","1","4","1") = "5"
    & skf21("6","4","1","4","4","1","5","1") = "5"
    & skf21("6","4","1","4","4","1","6","1") = "5"
    & skf21("6","4","1","4","4","1","7","1") = "6"
    & skf21("6","4","1","4","4","2","1","1") = "5"
    & skf21("6","4","1","4","4","2","2","1") = "5"
    & skf21("6","4","1","4","4","2","3","1") = "5"
    & skf21("6","4","1","4","4","2","4","1") = "5"
    & skf21("6","4","1","4","4","2","5","1") = "5"
    & skf21("6","4","1","4","4","2","6","1") = "5"
    & skf21("6","4","1","4","4","2","7","1") = "6"
    & skf21("6","4","1","4","4","3","1","1") = "5"
    & skf21("6","4","1","4","4","3","2","1") = "5"
    & skf21("6","4","1","4","4","3","3","1") = "5"
    & skf21("6","4","1","4","4","3","4","1") = "5"
    & skf21("6","4","1","4","4","3","5","1") = "5"
    & skf21("6","4","1","4","4","3","6","1") = "5"
    & skf21("6","4","1","4","4","3","7","1") = "6"
    & skf21("6","4","1","4","4","4","1","1") = "5"
    & skf21("6","4","1","4","4","4","2","1") = "5"
    & skf21("6","4","1","4","4","4","3","1") = "5"
    & skf21("6","4","1","4","4","4","4","1") = "5"
    & skf21("6","4","1","4","4","4","5","1") = "5"
    & skf21("6","4","1","4","4","4","6","1") = "5"
    & skf21("6","4","1","4","4","4","7","1") = "6"
    & skf21("6","4","1","4","4","5","1","1") = "5"
    & skf21("6","4","1","4","4","5","2","1") = "5"
    & skf21("6","4","1","4","4","5","3","1") = "5"
    & skf21("6","4","1","4","4","5","4","1") = "5"
    & skf21("6","4","1","4","4","5","5","1") = "5"
    & skf21("6","4","1","4","4","5","6","1") = "5"
    & skf21("6","4","1","4","4","5","7","1") = "6"
    & skf21("6","4","1","4","4","6","1","1") = "5"
    & skf21("6","4","1","4","4","6","2","1") = "5"
    & skf21("6","4","1","4","4","6","3","1") = "5"
    & skf21("6","4","1","4","4","6","4","1") = "5"
    & skf21("6","4","1","4","4","6","5","1") = "5"
    & skf21("6","4","1","4","4","6","6","1") = "5"
    & skf21("6","4","1","4","4","6","7","1") = "6"
    & skf21("6","4","1","4","4","7","1","1") = "6"
    & skf21("6","4","1","4","4","7","2","1") = "6"
    & skf21("6","4","1","4","4","7","3","1") = "6"
    & skf21("6","4","1","4","4","7","4","1") = "6"
    & skf21("6","4","1","4","4","7","5","1") = "6"
    & skf21("6","4","1","4","4","7","6","1") = "6"
    & skf21("6","4","1","4","4","7","7","1") = "6"
    & skf21("6","4","1","4","5","1","1","1") = "5"
    & skf21("6","4","1","4","5","1","2","1") = "5"
    & skf21("6","4","1","4","5","1","3","1") = "5"
    & skf21("6","4","1","4","5","1","4","1") = "5"
    & skf21("6","4","1","4","5","1","5","1") = "5"
    & skf21("6","4","1","4","5","1","6","1") = "5"
    & skf21("6","4","1","4","5","1","7","1") = "6"
    & skf21("6","4","1","4","5","2","1","1") = "5"
    & skf21("6","4","1","4","5","2","2","1") = "5"
    & skf21("6","4","1","4","5","2","3","1") = "5"
    & skf21("6","4","1","4","5","2","4","1") = "5"
    & skf21("6","4","1","4","5","2","5","1") = "5"
    & skf21("6","4","1","4","5","2","6","1") = "5"
    & skf21("6","4","1","4","5","2","7","1") = "6"
    & skf21("6","4","1","4","5","3","1","1") = "5"
    & skf21("6","4","1","4","5","3","2","1") = "5"
    & skf21("6","4","1","4","5","3","3","1") = "5"
    & skf21("6","4","1","4","5","3","4","1") = "5"
    & skf21("6","4","1","4","5","3","5","1") = "5"
    & skf21("6","4","1","4","5","3","6","1") = "5"
    & skf21("6","4","1","4","5","3","7","1") = "6"
    & skf21("6","4","1","4","5","4","1","1") = "5"
    & skf21("6","4","1","4","5","4","2","1") = "5"
    & skf21("6","4","1","4","5","4","3","1") = "5"
    & skf21("6","4","1","4","5","4","4","1") = "5"
    & skf21("6","4","1","4","5","4","5","1") = "5"
    & skf21("6","4","1","4","5","4","6","1") = "5"
    & skf21("6","4","1","4","5","4","7","1") = "6"
    & skf21("6","4","1","4","5","5","1","1") = "5"
    & skf21("6","4","1","4","5","5","2","1") = "5"
    & skf21("6","4","1","4","5","5","3","1") = "5"
    & skf21("6","4","1","4","5","5","4","1") = "5"
    & skf21("6","4","1","4","5","5","5","1") = "5"
    & skf21("6","4","1","4","5","5","6","1") = "5"
    & skf21("6","4","1","4","5","5","7","1") = "6"
    & skf21("6","4","1","4","5","6","1","1") = "5"
    & skf21("6","4","1","4","5","6","2","1") = "5"
    & skf21("6","4","1","4","5","6","3","1") = "5"
    & skf21("6","4","1","4","5","6","4","1") = "5"
    & skf21("6","4","1","4","5","6","5","1") = "5"
    & skf21("6","4","1","4","5","6","6","1") = "5"
    & skf21("6","4","1","4","5","6","7","1") = "6"
    & skf21("6","4","1","4","5","7","1","1") = "6"
    & skf21("6","4","1","4","5","7","2","1") = "6"
    & skf21("6","4","1","4","5","7","3","1") = "6"
    & skf21("6","4","1","4","5","7","4","1") = "6"
    & skf21("6","4","1","4","5","7","5","1") = "6"
    & skf21("6","4","1","4","5","7","6","1") = "6"
    & skf21("6","4","1","4","5","7","7","1") = "6"
    & skf21("6","4","1","4","6","1","1","1") = "5"
    & skf21("6","4","1","4","6","1","2","1") = "5"
    & skf21("6","4","1","4","6","1","3","1") = "5"
    & skf21("6","4","1","4","6","1","4","1") = "5"
    & skf21("6","4","1","4","6","1","5","1") = "5"
    & skf21("6","4","1","4","6","1","6","1") = "5"
    & skf21("6","4","1","4","6","1","7","1") = "6"
    & skf21("6","4","1","4","6","2","1","1") = "5"
    & skf21("6","4","1","4","6","2","2","1") = "5"
    & skf21("6","4","1","4","6","2","3","1") = "5"
    & skf21("6","4","1","4","6","2","4","1") = "5"
    & skf21("6","4","1","4","6","2","5","1") = "5"
    & skf21("6","4","1","4","6","2","6","1") = "5"
    & skf21("6","4","1","4","6","2","7","1") = "6"
    & skf21("6","4","1","4","6","3","1","1") = "5"
    & skf21("6","4","1","4","6","3","2","1") = "5"
    & skf21("6","4","1","4","6","3","3","1") = "5"
    & skf21("6","4","1","4","6","3","4","1") = "5"
    & skf21("6","4","1","4","6","3","5","1") = "5"
    & skf21("6","4","1","4","6","3","6","1") = "5"
    & skf21("6","4","1","4","6","3","7","1") = "6"
    & skf21("6","4","1","4","6","4","1","1") = "5"
    & skf21("6","4","1","4","6","4","2","1") = "5"
    & skf21("6","4","1","4","6","4","3","1") = "5"
    & skf21("6","4","1","4","6","4","4","1") = "5"
    & skf21("6","4","1","4","6","4","5","1") = "5"
    & skf21("6","4","1","4","6","4","6","1") = "5"
    & skf21("6","4","1","4","6","4","7","1") = "6"
    & skf21("6","4","1","4","6","5","1","1") = "5"
    & skf21("6","4","1","4","6","5","2","1") = "5"
    & skf21("6","4","1","4","6","5","3","1") = "5"
    & skf21("6","4","1","4","6","5","4","1") = "5"
    & skf21("6","4","1","4","6","5","5","1") = "5"
    & skf21("6","4","1","4","6","5","6","1") = "5"
    & skf21("6","4","1","4","6","5","7","1") = "6"
    & skf21("6","4","1","4","6","6","1","1") = "5"
    & skf21("6","4","1","4","6","6","2","1") = "5"
    & skf21("6","4","1","4","6","6","3","1") = "5"
    & skf21("6","4","1","4","6","6","4","1") = "5"
    & skf21("6","4","1","4","6","6","5","1") = "5"
    & skf21("6","4","1","4","6","6","6","1") = "5"
    & skf21("6","4","1","4","6","6","7","1") = "6"
    & skf21("6","4","1","4","6","7","1","1") = "6"
    & skf21("6","4","1","4","6","7","2","1") = "6"
    & skf21("6","4","1","4","6","7","3","1") = "6"
    & skf21("6","4","1","4","6","7","4","1") = "6"
    & skf21("6","4","1","4","6","7","5","1") = "6"
    & skf21("6","4","1","4","6","7","6","1") = "6"
    & skf21("6","4","1","4","6","7","7","1") = "6"
    & skf21("6","4","1","4","7","1","1","1") = "6"
    & skf21("6","4","1","4","7","1","2","1") = "6"
    & skf21("6","4","1","4","7","1","3","1") = "6"
    & skf21("6","4","1","4","7","1","4","1") = "6"
    & skf21("6","4","1","4","7","1","5","1") = "6"
    & skf21("6","4","1","4","7","1","6","1") = "6"
    & skf21("6","4","1","4","7","1","7","1") = "6"
    & skf21("6","4","1","4","7","2","1","1") = "6"
    & skf21("6","4","1","4","7","2","2","1") = "6"
    & skf21("6","4","1","4","7","2","3","1") = "6"
    & skf21("6","4","1","4","7","2","4","1") = "6"
    & skf21("6","4","1","4","7","2","5","1") = "6"
    & skf21("6","4","1","4","7","2","6","1") = "6"
    & skf21("6","4","1","4","7","2","7","1") = "6"
    & skf21("6","4","1","4","7","3","1","1") = "6"
    & skf21("6","4","1","4","7","3","2","1") = "6"
    & skf21("6","4","1","4","7","3","3","1") = "6"
    & skf21("6","4","1","4","7","3","4","1") = "6"
    & skf21("6","4","1","4","7","3","5","1") = "6"
    & skf21("6","4","1","4","7","3","6","1") = "6"
    & skf21("6","4","1","4","7","3","7","1") = "6"
    & skf21("6","4","1","4","7","4","1","1") = "6"
    & skf21("6","4","1","4","7","4","2","1") = "6"
    & skf21("6","4","1","4","7","4","3","1") = "6"
    & skf21("6","4","1","4","7","4","4","1") = "6"
    & skf21("6","4","1","4","7","4","5","1") = "6"
    & skf21("6","4","1","4","7","4","6","1") = "6"
    & skf21("6","4","1","4","7","4","7","1") = "6"
    & skf21("6","4","1","4","7","5","1","1") = "6"
    & skf21("6","4","1","4","7","5","2","1") = "6"
    & skf21("6","4","1","4","7","5","3","1") = "6"
    & skf21("6","4","1","4","7","5","4","1") = "6"
    & skf21("6","4","1","4","7","5","5","1") = "6"
    & skf21("6","4","1","4","7","5","6","1") = "6"
    & skf21("6","4","1","4","7","5","7","1") = "6"
    & skf21("6","4","1","4","7","6","1","1") = "6"
    & skf21("6","4","1","4","7","6","2","1") = "6"
    & skf21("6","4","1","4","7","6","3","1") = "6"
    & skf21("6","4","1","4","7","6","4","1") = "6"
    & skf21("6","4","1","4","7","6","5","1") = "6"
    & skf21("6","4","1","4","7","6","6","1") = "6"
    & skf21("6","4","1","4","7","6","7","1") = "6"
    & skf21("6","4","1","4","7","7","1","1") = "6"
    & skf21("6","4","1","4","7","7","2","1") = "6"
    & skf21("6","4","1","4","7","7","3","1") = "6"
    & skf21("6","4","1","4","7","7","4","1") = "6"
    & skf21("6","4","1","4","7","7","5","1") = "6"
    & skf21("6","4","1","4","7","7","6","1") = "6"
    & skf21("6","4","1","4","7","7","7","1") = "6"
    & skf21("6","4","1","5","1","1","1","1") = "5"
    & skf21("6","4","1","5","1","1","2","1") = "5"
    & skf21("6","4","1","5","1","1","3","1") = "5"
    & skf21("6","4","1","5","1","1","4","1") = "5"
    & skf21("6","4","1","5","1","1","5","1") = "5"
    & skf21("6","4","1","5","1","1","6","1") = "5"
    & skf21("6","4","1","5","1","1","7","1") = "6"
    & skf21("6","4","1","5","1","2","1","1") = "5"
    & skf21("6","4","1","5","1","2","2","1") = "5"
    & skf21("6","4","1","5","1","2","3","1") = "5"
    & skf21("6","4","1","5","1","2","4","1") = "5"
    & skf21("6","4","1","5","1","2","5","1") = "5"
    & skf21("6","4","1","5","1","2","6","1") = "5"
    & skf21("6","4","1","5","1","2","7","1") = "6"
    & skf21("6","4","1","5","1","3","1","1") = "5"
    & skf21("6","4","1","5","1","3","2","1") = "5"
    & skf21("6","4","1","5","1","3","3","1") = "5"
    & skf21("6","4","1","5","1","3","4","1") = "5"
    & skf21("6","4","1","5","1","3","5","1") = "5"
    & skf21("6","4","1","5","1","3","6","1") = "5"
    & skf21("6","4","1","5","1","3","7","1") = "6"
    & skf21("6","4","1","5","1","4","1","1") = "5"
    & skf21("6","4","1","5","1","4","2","1") = "5"
    & skf21("6","4","1","5","1","4","3","1") = "5"
    & skf21("6","4","1","5","1","4","4","1") = "5"
    & skf21("6","4","1","5","1","4","5","1") = "5"
    & skf21("6","4","1","5","1","4","6","1") = "5"
    & skf21("6","4","1","5","1","4","7","1") = "6"
    & skf21("6","4","1","5","1","5","1","1") = "5"
    & skf21("6","4","1","5","1","5","2","1") = "5"
    & skf21("6","4","1","5","1","5","3","1") = "5"
    & skf21("6","4","1","5","1","5","4","1") = "5"
    & skf21("6","4","1","5","1","5","5","1") = "5"
    & skf21("6","4","1","5","1","5","6","1") = "5"
    & skf21("6","4","1","5","1","5","7","1") = "6"
    & skf21("6","4","1","5","1","6","1","1") = "5"
    & skf21("6","4","1","5","1","6","2","1") = "5"
    & skf21("6","4","1","5","1","6","3","1") = "5"
    & skf21("6","4","1","5","1","6","4","1") = "5"
    & skf21("6","4","1","5","1","6","5","1") = "5"
    & skf21("6","4","1","5","1","6","6","1") = "5"
    & skf21("6","4","1","5","1","6","7","1") = "6"
    & skf21("6","4","1","5","1","7","1","1") = "6"
    & skf21("6","4","1","5","1","7","2","1") = "6"
    & skf21("6","4","1","5","1","7","3","1") = "6"
    & skf21("6","4","1","5","1","7","4","1") = "6"
    & skf21("6","4","1","5","1","7","5","1") = "6"
    & skf21("6","4","1","5","1","7","6","1") = "6"
    & skf21("6","4","1","5","1","7","7","1") = "6"
    & skf21("6","4","1","5","2","1","1","1") = "5"
    & skf21("6","4","1","5","2","1","2","1") = "5"
    & skf21("6","4","1","5","2","1","3","1") = "5"
    & skf21("6","4","1","5","2","1","4","1") = "5"
    & skf21("6","4","1","5","2","1","5","1") = "5"
    & skf21("6","4","1","5","2","1","6","1") = "5"
    & skf21("6","4","1","5","2","1","7","1") = "6"
    & skf21("6","4","1","5","2","2","1","1") = "5"
    & skf21("6","4","1","5","2","2","2","1") = "5"
    & skf21("6","4","1","5","2","2","3","1") = "5"
    & skf21("6","4","1","5","2","2","4","1") = "5"
    & skf21("6","4","1","5","2","2","5","1") = "5"
    & skf21("6","4","1","5","2","2","6","1") = "5"
    & skf21("6","4","1","5","2","2","7","1") = "6"
    & skf21("6","4","1","5","2","3","1","1") = "5"
    & skf21("6","4","1","5","2","3","2","1") = "5"
    & skf21("6","4","1","5","2","3","3","1") = "5"
    & skf21("6","4","1","5","2","3","4","1") = "5"
    & skf21("6","4","1","5","2","3","5","1") = "5"
    & skf21("6","4","1","5","2","3","6","1") = "5"
    & skf21("6","4","1","5","2","3","7","1") = "6"
    & skf21("6","4","1","5","2","4","1","1") = "5"
    & skf21("6","4","1","5","2","4","2","1") = "5"
    & skf21("6","4","1","5","2","4","3","1") = "5"
    & skf21("6","4","1","5","2","4","4","1") = "5"
    & skf21("6","4","1","5","2","4","5","1") = "5"
    & skf21("6","4","1","5","2","4","6","1") = "5"
    & skf21("6","4","1","5","2","4","7","1") = "6"
    & skf21("6","4","1","5","2","5","1","1") = "5"
    & skf21("6","4","1","5","2","5","2","1") = "5"
    & skf21("6","4","1","5","2","5","3","1") = "5"
    & skf21("6","4","1","5","2","5","4","1") = "5"
    & skf21("6","4","1","5","2","5","5","1") = "5"
    & skf21("6","4","1","5","2","5","6","1") = "5"
    & skf21("6","4","1","5","2","5","7","1") = "6"
    & skf21("6","4","1","5","2","6","1","1") = "5"
    & skf21("6","4","1","5","2","6","2","1") = "5"
    & skf21("6","4","1","5","2","6","3","1") = "5"
    & skf21("6","4","1","5","2","6","4","1") = "5"
    & skf21("6","4","1","5","2","6","5","1") = "5"
    & skf21("6","4","1","5","2","6","6","1") = "5"
    & skf21("6","4","1","5","2","6","7","1") = "6"
    & skf21("6","4","1","5","2","7","1","1") = "6"
    & skf21("6","4","1","5","2","7","2","1") = "6"
    & skf21("6","4","1","5","2","7","3","1") = "6"
    & skf21("6","4","1","5","2","7","4","1") = "6"
    & skf21("6","4","1","5","2","7","5","1") = "6"
    & skf21("6","4","1","5","2","7","6","1") = "6"
    & skf21("6","4","1","5","2","7","7","1") = "6"
    & skf21("6","4","1","5","3","1","1","1") = "5"
    & skf21("6","4","1","5","3","1","2","1") = "5"
    & skf21("6","4","1","5","3","1","3","1") = "5"
    & skf21("6","4","1","5","3","1","4","1") = "5"
    & skf21("6","4","1","5","3","1","5","1") = "5"
    & skf21("6","4","1","5","3","1","6","1") = "5"
    & skf21("6","4","1","5","3","1","7","1") = "6"
    & skf21("6","4","1","5","3","2","1","1") = "5"
    & skf21("6","4","1","5","3","2","2","1") = "5"
    & skf21("6","4","1","5","3","2","3","1") = "5"
    & skf21("6","4","1","5","3","2","4","1") = "5"
    & skf21("6","4","1","5","3","2","5","1") = "5"
    & skf21("6","4","1","5","3","2","6","1") = "5"
    & skf21("6","4","1","5","3","2","7","1") = "6"
    & skf21("6","4","1","5","3","3","1","1") = "5"
    & skf21("6","4","1","5","3","3","2","1") = "5"
    & skf21("6","4","1","5","3","3","3","1") = "5"
    & skf21("6","4","1","5","3","3","4","1") = "5"
    & skf21("6","4","1","5","3","3","5","1") = "5"
    & skf21("6","4","1","5","3","3","6","1") = "5"
    & skf21("6","4","1","5","3","3","7","1") = "6"
    & skf21("6","4","1","5","3","4","1","1") = "5"
    & skf21("6","4","1","5","3","4","2","1") = "5"
    & skf21("6","4","1","5","3","4","3","1") = "5"
    & skf21("6","4","1","5","3","4","4","1") = "5"
    & skf21("6","4","1","5","3","4","5","1") = "5"
    & skf21("6","4","1","5","3","4","6","1") = "5"
    & skf21("6","4","1","5","3","4","7","1") = "6"
    & skf21("6","4","1","5","3","5","1","1") = "5"
    & skf21("6","4","1","5","3","5","2","1") = "5"
    & skf21("6","4","1","5","3","5","3","1") = "5"
    & skf21("6","4","1","5","3","5","4","1") = "5"
    & skf21("6","4","1","5","3","5","5","1") = "5"
    & skf21("6","4","1","5","3","5","6","1") = "5"
    & skf21("6","4","1","5","3","5","7","1") = "6"
    & skf21("6","4","1","5","3","6","1","1") = "5"
    & skf21("6","4","1","5","3","6","2","1") = "5"
    & skf21("6","4","1","5","3","6","3","1") = "5"
    & skf21("6","4","1","5","3","6","4","1") = "5"
    & skf21("6","4","1","5","3","6","5","1") = "5"
    & skf21("6","4","1","5","3","6","6","1") = "5"
    & skf21("6","4","1","5","3","6","7","1") = "6"
    & skf21("6","4","1","5","3","7","1","1") = "6"
    & skf21("6","4","1","5","3","7","2","1") = "6"
    & skf21("6","4","1","5","3","7","3","1") = "6"
    & skf21("6","4","1","5","3","7","4","1") = "6"
    & skf21("6","4","1","5","3","7","5","1") = "6"
    & skf21("6","4","1","5","3","7","6","1") = "6"
    & skf21("6","4","1","5","3","7","7","1") = "6"
    & skf21("6","4","1","5","4","1","1","1") = "5"
    & skf21("6","4","1","5","4","1","2","1") = "5"
    & skf21("6","4","1","5","4","1","3","1") = "5"
    & skf21("6","4","1","5","4","1","4","1") = "5"
    & skf21("6","4","1","5","4","1","5","1") = "5"
    & skf21("6","4","1","5","4","1","6","1") = "5"
    & skf21("6","4","1","5","4","1","7","1") = "6"
    & skf21("6","4","1","5","4","2","1","1") = "5"
    & skf21("6","4","1","5","4","2","2","1") = "5"
    & skf21("6","4","1","5","4","2","3","1") = "5"
    & skf21("6","4","1","5","4","2","4","1") = "5"
    & skf21("6","4","1","5","4","2","5","1") = "5"
    & skf21("6","4","1","5","4","2","6","1") = "5"
    & skf21("6","4","1","5","4","2","7","1") = "6"
    & skf21("6","4","1","5","4","3","1","1") = "5"
    & skf21("6","4","1","5","4","3","2","1") = "5"
    & skf21("6","4","1","5","4","3","3","1") = "5"
    & skf21("6","4","1","5","4","3","4","1") = "5"
    & skf21("6","4","1","5","4","3","5","1") = "5"
    & skf21("6","4","1","5","4","3","6","1") = "5"
    & skf21("6","4","1","5","4","3","7","1") = "6"
    & skf21("6","4","1","5","4","4","1","1") = "5"
    & skf21("6","4","1","5","4","4","2","1") = "5"
    & skf21("6","4","1","5","4","4","3","1") = "5"
    & skf21("6","4","1","5","4","4","4","1") = "5"
    & skf21("6","4","1","5","4","4","5","1") = "5"
    & skf21("6","4","1","5","4","4","6","1") = "5"
    & skf21("6","4","1","5","4","4","7","1") = "6"
    & skf21("6","4","1","5","4","5","1","1") = "5"
    & skf21("6","4","1","5","4","5","2","1") = "5"
    & skf21("6","4","1","5","4","5","3","1") = "5"
    & skf21("6","4","1","5","4","5","4","1") = "5"
    & skf21("6","4","1","5","4","5","5","1") = "5"
    & skf21("6","4","1","5","4","5","6","1") = "5"
    & skf21("6","4","1","5","4","5","7","1") = "6"
    & skf21("6","4","1","5","4","6","1","1") = "5"
    & skf21("6","4","1","5","4","6","2","1") = "5"
    & skf21("6","4","1","5","4","6","3","1") = "5"
    & skf21("6","4","1","5","4","6","4","1") = "5"
    & skf21("6","4","1","5","4","6","5","1") = "5"
    & skf21("6","4","1","5","4","6","6","1") = "5"
    & skf21("6","4","1","5","4","6","7","1") = "6"
    & skf21("6","4","1","5","4","7","1","1") = "6"
    & skf21("6","4","1","5","4","7","2","1") = "6"
    & skf21("6","4","1","5","4","7","3","1") = "6"
    & skf21("6","4","1","5","4","7","4","1") = "6"
    & skf21("6","4","1","5","4","7","5","1") = "6"
    & skf21("6","4","1","5","4","7","6","1") = "6"
    & skf21("6","4","1","5","4","7","7","1") = "6"
    & skf21("6","4","1","5","5","1","1","1") = "5"
    & skf21("6","4","1","5","5","1","2","1") = "5"
    & skf21("6","4","1","5","5","1","3","1") = "5"
    & skf21("6","4","1","5","5","1","4","1") = "5"
    & skf21("6","4","1","5","5","1","5","1") = "5"
    & skf21("6","4","1","5","5","1","6","1") = "5"
    & skf21("6","4","1","5","5","1","7","1") = "6"
    & skf21("6","4","1","5","5","2","1","1") = "5"
    & skf21("6","4","1","5","5","2","2","1") = "5"
    & skf21("6","4","1","5","5","2","3","1") = "5"
    & skf21("6","4","1","5","5","2","4","1") = "5"
    & skf21("6","4","1","5","5","2","5","1") = "5"
    & skf21("6","4","1","5","5","2","6","1") = "5"
    & skf21("6","4","1","5","5","2","7","1") = "6"
    & skf21("6","4","1","5","5","3","1","1") = "5"
    & skf21("6","4","1","5","5","3","2","1") = "5"
    & skf21("6","4","1","5","5","3","3","1") = "5"
    & skf21("6","4","1","5","5","3","4","1") = "5"
    & skf21("6","4","1","5","5","3","5","1") = "5"
    & skf21("6","4","1","5","5","3","6","1") = "5"
    & skf21("6","4","1","5","5","3","7","1") = "6"
    & skf21("6","4","1","5","5","4","1","1") = "5"
    & skf21("6","4","1","5","5","4","2","1") = "5"
    & skf21("6","4","1","5","5","4","3","1") = "5"
    & skf21("6","4","1","5","5","4","4","1") = "5"
    & skf21("6","4","1","5","5","4","5","1") = "5"
    & skf21("6","4","1","5","5","4","6","1") = "5"
    & skf21("6","4","1","5","5","4","7","1") = "6"
    & skf21("6","4","1","5","5","5","1","1") = "5"
    & skf21("6","4","1","5","5","5","2","1") = "5"
    & skf21("6","4","1","5","5","5","3","1") = "5"
    & skf21("6","4","1","5","5","5","4","1") = "5"
    & skf21("6","4","1","5","5","5","5","1") = "5"
    & skf21("6","4","1","5","5","5","6","1") = "5"
    & skf21("6","4","1","5","5","5","7","1") = "6"
    & skf21("6","4","1","5","5","6","1","1") = "5"
    & skf21("6","4","1","5","5","6","2","1") = "5"
    & skf21("6","4","1","5","5","6","3","1") = "5"
    & skf21("6","4","1","5","5","6","4","1") = "5"
    & skf21("6","4","1","5","5","6","5","1") = "5"
    & skf21("6","4","1","5","5","6","6","1") = "5"
    & skf21("6","4","1","5","5","6","7","1") = "6"
    & skf21("6","4","1","5","5","7","1","1") = "6"
    & skf21("6","4","1","5","5","7","2","1") = "6"
    & skf21("6","4","1","5","5","7","3","1") = "6"
    & skf21("6","4","1","5","5","7","4","1") = "6"
    & skf21("6","4","1","5","5","7","5","1") = "6"
    & skf21("6","4","1","5","5","7","6","1") = "6"
    & skf21("6","4","1","5","5","7","7","1") = "6"
    & skf21("6","4","1","5","6","1","1","1") = "5"
    & skf21("6","4","1","5","6","1","2","1") = "5"
    & skf21("6","4","1","5","6","1","3","1") = "5"
    & skf21("6","4","1","5","6","1","4","1") = "5"
    & skf21("6","4","1","5","6","1","5","1") = "5"
    & skf21("6","4","1","5","6","1","6","1") = "5"
    & skf21("6","4","1","5","6","1","7","1") = "6"
    & skf21("6","4","1","5","6","2","1","1") = "5"
    & skf21("6","4","1","5","6","2","2","1") = "5"
    & skf21("6","4","1","5","6","2","3","1") = "5"
    & skf21("6","4","1","5","6","2","4","1") = "5"
    & skf21("6","4","1","5","6","2","5","1") = "5"
    & skf21("6","4","1","5","6","2","6","1") = "5"
    & skf21("6","4","1","5","6","2","7","1") = "6"
    & skf21("6","4","1","5","6","3","1","1") = "5"
    & skf21("6","4","1","5","6","3","2","1") = "5"
    & skf21("6","4","1","5","6","3","3","1") = "5"
    & skf21("6","4","1","5","6","3","4","1") = "5"
    & skf21("6","4","1","5","6","3","5","1") = "5"
    & skf21("6","4","1","5","6","3","6","1") = "5"
    & skf21("6","4","1","5","6","3","7","1") = "6"
    & skf21("6","4","1","5","6","4","1","1") = "5"
    & skf21("6","4","1","5","6","4","2","1") = "5"
    & skf21("6","4","1","5","6","4","3","1") = "5"
    & skf21("6","4","1","5","6","4","4","1") = "5"
    & skf21("6","4","1","5","6","4","5","1") = "5"
    & skf21("6","4","1","5","6","4","6","1") = "5"
    & skf21("6","4","1","5","6","4","7","1") = "6"
    & skf21("6","4","1","5","6","5","1","1") = "5"
    & skf21("6","4","1","5","6","5","2","1") = "5"
    & skf21("6","4","1","5","6","5","3","1") = "5"
    & skf21("6","4","1","5","6","5","4","1") = "5"
    & skf21("6","4","1","5","6","5","5","1") = "5"
    & skf21("6","4","1","5","6","5","6","1") = "5"
    & skf21("6","4","1","5","6","5","7","1") = "6"
    & skf21("6","4","1","5","6","6","1","1") = "5"
    & skf21("6","4","1","5","6","6","2","1") = "5"
    & skf21("6","4","1","5","6","6","3","1") = "5"
    & skf21("6","4","1","5","6","6","4","1") = "5"
    & skf21("6","4","1","5","6","6","5","1") = "5"
    & skf21("6","4","1","5","6","6","6","1") = "5"
    & skf21("6","4","1","5","6","6","7","1") = "6"
    & skf21("6","4","1","5","6","7","1","1") = "6"
    & skf21("6","4","1","5","6","7","2","1") = "6"
    & skf21("6","4","1","5","6","7","3","1") = "6"
    & skf21("6","4","1","5","6","7","4","1") = "6"
    & skf21("6","4","1","5","6","7","5","1") = "6"
    & skf21("6","4","1","5","6","7","6","1") = "6"
    & skf21("6","4","1","5","6","7","7","1") = "6"
    & skf21("6","4","1","5","7","1","1","1") = "6"
    & skf21("6","4","1","5","7","1","2","1") = "6"
    & skf21("6","4","1","5","7","1","3","1") = "6"
    & skf21("6","4","1","5","7","1","4","1") = "6"
    & skf21("6","4","1","5","7","1","5","1") = "6"
    & skf21("6","4","1","5","7","1","6","1") = "6"
    & skf21("6","4","1","5","7","1","7","1") = "6"
    & skf21("6","4","1","5","7","2","1","1") = "6"
    & skf21("6","4","1","5","7","2","2","1") = "6"
    & skf21("6","4","1","5","7","2","3","1") = "6"
    & skf21("6","4","1","5","7","2","4","1") = "6"
    & skf21("6","4","1","5","7","2","5","1") = "6"
    & skf21("6","4","1","5","7","2","6","1") = "6"
    & skf21("6","4","1","5","7","2","7","1") = "6"
    & skf21("6","4","1","5","7","3","1","1") = "6"
    & skf21("6","4","1","5","7","3","2","1") = "6"
    & skf21("6","4","1","5","7","3","3","1") = "6"
    & skf21("6","4","1","5","7","3","4","1") = "6"
    & skf21("6","4","1","5","7","3","5","1") = "6"
    & skf21("6","4","1","5","7","3","6","1") = "6"
    & skf21("6","4","1","5","7","3","7","1") = "6"
    & skf21("6","4","1","5","7","4","1","1") = "6"
    & skf21("6","4","1","5","7","4","2","1") = "6"
    & skf21("6","4","1","5","7","4","3","1") = "6"
    & skf21("6","4","1","5","7","4","4","1") = "6"
    & skf21("6","4","1","5","7","4","5","1") = "6"
    & skf21("6","4","1","5","7","4","6","1") = "6"
    & skf21("6","4","1","5","7","4","7","1") = "6"
    & skf21("6","4","1","5","7","5","1","1") = "6"
    & skf21("6","4","1","5","7","5","2","1") = "6"
    & skf21("6","4","1","5","7","5","3","1") = "6"
    & skf21("6","4","1","5","7","5","4","1") = "6"
    & skf21("6","4","1","5","7","5","5","1") = "6"
    & skf21("6","4","1","5","7","5","6","1") = "6"
    & skf21("6","4","1","5","7","5","7","1") = "6"
    & skf21("6","4","1","5","7","6","1","1") = "6"
    & skf21("6","4","1","5","7","6","2","1") = "6"
    & skf21("6","4","1","5","7","6","3","1") = "6"
    & skf21("6","4","1","5","7","6","4","1") = "6"
    & skf21("6","4","1","5","7","6","5","1") = "6"
    & skf21("6","4","1","5","7","6","6","1") = "6"
    & skf21("6","4","1","5","7","6","7","1") = "6"
    & skf21("6","4","1","5","7","7","1","1") = "6"
    & skf21("6","4","1","5","7","7","2","1") = "6"
    & skf21("6","4","1","5","7","7","3","1") = "6"
    & skf21("6","4","1","5","7","7","4","1") = "6"
    & skf21("6","4","1","5","7","7","5","1") = "6"
    & skf21("6","4","1","5","7","7","6","1") = "6"
    & skf21("6","4","1","5","7","7","7","1") = "6"
    & skf21("6","4","1","6","1","1","1","1") = "5"
    & skf21("6","4","1","6","1","1","2","1") = "5"
    & skf21("6","4","1","6","1","1","3","1") = "5"
    & skf21("6","4","1","6","1","1","4","1") = "5"
    & skf21("6","4","1","6","1","1","5","1") = "5"
    & skf21("6","4","1","6","1","1","6","1") = "5"
    & skf21("6","4","1","6","1","1","7","1") = "6"
    & skf21("6","4","1","6","1","2","1","1") = "5"
    & skf21("6","4","1","6","1","2","2","1") = "5"
    & skf21("6","4","1","6","1","2","3","1") = "5"
    & skf21("6","4","1","6","1","2","4","1") = "5"
    & skf21("6","4","1","6","1","2","5","1") = "5"
    & skf21("6","4","1","6","1","2","6","1") = "5"
    & skf21("6","4","1","6","1","2","7","1") = "6"
    & skf21("6","4","1","6","1","3","1","1") = "5"
    & skf21("6","4","1","6","1","3","2","1") = "5"
    & skf21("6","4","1","6","1","3","3","1") = "5"
    & skf21("6","4","1","6","1","3","4","1") = "5"
    & skf21("6","4","1","6","1","3","5","1") = "5"
    & skf21("6","4","1","6","1","3","6","1") = "5"
    & skf21("6","4","1","6","1","3","7","1") = "6"
    & skf21("6","4","1","6","1","4","1","1") = "5"
    & skf21("6","4","1","6","1","4","2","1") = "5"
    & skf21("6","4","1","6","1","4","3","1") = "5"
    & skf21("6","4","1","6","1","4","4","1") = "5"
    & skf21("6","4","1","6","1","4","5","1") = "5"
    & skf21("6","4","1","6","1","4","6","1") = "5"
    & skf21("6","4","1","6","1","4","7","1") = "6"
    & skf21("6","4","1","6","1","5","1","1") = "5"
    & skf21("6","4","1","6","1","5","2","1") = "5"
    & skf21("6","4","1","6","1","5","3","1") = "5"
    & skf21("6","4","1","6","1","5","4","1") = "5"
    & skf21("6","4","1","6","1","5","5","1") = "5"
    & skf21("6","4","1","6","1","5","6","1") = "5"
    & skf21("6","4","1","6","1","5","7","1") = "6"
    & skf21("6","4","1","6","1","6","1","1") = "5"
    & skf21("6","4","1","6","1","6","2","1") = "5"
    & skf21("6","4","1","6","1","6","3","1") = "5"
    & skf21("6","4","1","6","1","6","4","1") = "5"
    & skf21("6","4","1","6","1","6","5","1") = "5"
    & skf21("6","4","1","6","1","6","6","1") = "5"
    & skf21("6","4","1","6","1","6","7","1") = "6"
    & skf21("6","4","1","6","1","7","1","1") = "6"
    & skf21("6","4","1","6","1","7","2","1") = "6"
    & skf21("6","4","1","6","1","7","3","1") = "6"
    & skf21("6","4","1","6","1","7","4","1") = "6"
    & skf21("6","4","1","6","1","7","5","1") = "6"
    & skf21("6","4","1","6","1","7","6","1") = "6"
    & skf21("6","4","1","6","1","7","7","1") = "6"
    & skf21("6","4","1","6","2","1","1","1") = "5"
    & skf21("6","4","1","6","2","1","2","1") = "5"
    & skf21("6","4","1","6","2","1","3","1") = "5"
    & skf21("6","4","1","6","2","1","4","1") = "5"
    & skf21("6","4","1","6","2","1","5","1") = "5"
    & skf21("6","4","1","6","2","1","6","1") = "5"
    & skf21("6","4","1","6","2","1","7","1") = "6"
    & skf21("6","4","1","6","2","2","1","1") = "5"
    & skf21("6","4","1","6","2","2","2","1") = "5"
    & skf21("6","4","1","6","2","2","3","1") = "5"
    & skf21("6","4","1","6","2","2","4","1") = "5"
    & skf21("6","4","1","6","2","2","5","1") = "5"
    & skf21("6","4","1","6","2","2","6","1") = "5"
    & skf21("6","4","1","6","2","2","7","1") = "6"
    & skf21("6","4","1","6","2","3","1","1") = "5"
    & skf21("6","4","1","6","2","3","2","1") = "5"
    & skf21("6","4","1","6","2","3","3","1") = "5"
    & skf21("6","4","1","6","2","3","4","1") = "5"
    & skf21("6","4","1","6","2","3","5","1") = "5"
    & skf21("6","4","1","6","2","3","6","1") = "5"
    & skf21("6","4","1","6","2","3","7","1") = "6"
    & skf21("6","4","1","6","2","4","1","1") = "5"
    & skf21("6","4","1","6","2","4","2","1") = "5"
    & skf21("6","4","1","6","2","4","3","1") = "5"
    & skf21("6","4","1","6","2","4","4","1") = "5"
    & skf21("6","4","1","6","2","4","5","1") = "5"
    & skf21("6","4","1","6","2","4","6","1") = "5"
    & skf21("6","4","1","6","2","4","7","1") = "6"
    & skf21("6","4","1","6","2","5","1","1") = "5"
    & skf21("6","4","1","6","2","5","2","1") = "5"
    & skf21("6","4","1","6","2","5","3","1") = "5"
    & skf21("6","4","1","6","2","5","4","1") = "5"
    & skf21("6","4","1","6","2","5","5","1") = "5"
    & skf21("6","4","1","6","2","5","6","1") = "5"
    & skf21("6","4","1","6","2","5","7","1") = "6"
    & skf21("6","4","1","6","2","6","1","1") = "5"
    & skf21("6","4","1","6","2","6","2","1") = "5"
    & skf21("6","4","1","6","2","6","3","1") = "5"
    & skf21("6","4","1","6","2","6","4","1") = "5"
    & skf21("6","4","1","6","2","6","5","1") = "5"
    & skf21("6","4","1","6","2","6","6","1") = "5"
    & skf21("6","4","1","6","2","6","7","1") = "6"
    & skf21("6","4","1","6","2","7","1","1") = "6"
    & skf21("6","4","1","6","2","7","2","1") = "6"
    & skf21("6","4","1","6","2","7","3","1") = "6"
    & skf21("6","4","1","6","2","7","4","1") = "6"
    & skf21("6","4","1","6","2","7","5","1") = "6"
    & skf21("6","4","1","6","2","7","6","1") = "6"
    & skf21("6","4","1","6","2","7","7","1") = "6"
    & skf21("6","4","1","6","3","1","1","1") = "5"
    & skf21("6","4","1","6","3","1","2","1") = "5"
    & skf21("6","4","1","6","3","1","3","1") = "5"
    & skf21("6","4","1","6","3","1","4","1") = "5"
    & skf21("6","4","1","6","3","1","5","1") = "5"
    & skf21("6","4","1","6","3","1","6","1") = "5"
    & skf21("6","4","1","6","3","1","7","1") = "6"
    & skf21("6","4","1","6","3","2","1","1") = "5"
    & skf21("6","4","1","6","3","2","2","1") = "5"
    & skf21("6","4","1","6","3","2","3","1") = "5"
    & skf21("6","4","1","6","3","2","4","1") = "5"
    & skf21("6","4","1","6","3","2","5","1") = "5"
    & skf21("6","4","1","6","3","2","6","1") = "5"
    & skf21("6","4","1","6","3","2","7","1") = "6"
    & skf21("6","4","1","6","3","3","1","1") = "5"
    & skf21("6","4","1","6","3","3","2","1") = "5"
    & skf21("6","4","1","6","3","3","3","1") = "5"
    & skf21("6","4","1","6","3","3","4","1") = "5"
    & skf21("6","4","1","6","3","3","5","1") = "5"
    & skf21("6","4","1","6","3","3","6","1") = "5"
    & skf21("6","4","1","6","3","3","7","1") = "6"
    & skf21("6","4","1","6","3","4","1","1") = "5"
    & skf21("6","4","1","6","3","4","2","1") = "5"
    & skf21("6","4","1","6","3","4","3","1") = "5"
    & skf21("6","4","1","6","3","4","4","1") = "5"
    & skf21("6","4","1","6","3","4","5","1") = "5"
    & skf21("6","4","1","6","3","4","6","1") = "5"
    & skf21("6","4","1","6","3","4","7","1") = "6"
    & skf21("6","4","1","6","3","5","1","1") = "5"
    & skf21("6","4","1","6","3","5","2","1") = "5"
    & skf21("6","4","1","6","3","5","3","1") = "5"
    & skf21("6","4","1","6","3","5","4","1") = "5"
    & skf21("6","4","1","6","3","5","5","1") = "5"
    & skf21("6","4","1","6","3","5","6","1") = "5"
    & skf21("6","4","1","6","3","5","7","1") = "6"
    & skf21("6","4","1","6","3","6","1","1") = "5"
    & skf21("6","4","1","6","3","6","2","1") = "5"
    & skf21("6","4","1","6","3","6","3","1") = "5"
    & skf21("6","4","1","6","3","6","4","1") = "5"
    & skf21("6","4","1","6","3","6","5","1") = "5"
    & skf21("6","4","1","6","3","6","6","1") = "5"
    & skf21("6","4","1","6","3","6","7","1") = "6"
    & skf21("6","4","1","6","3","7","1","1") = "6"
    & skf21("6","4","1","6","3","7","2","1") = "6"
    & skf21("6","4","1","6","3","7","3","1") = "6"
    & skf21("6","4","1","6","3","7","4","1") = "6"
    & skf21("6","4","1","6","3","7","5","1") = "6"
    & skf21("6","4","1","6","3","7","6","1") = "6"
    & skf21("6","4","1","6","3","7","7","1") = "6"
    & skf21("6","4","1","6","4","1","1","1") = "5"
    & skf21("6","4","1","6","4","1","2","1") = "5"
    & skf21("6","4","1","6","4","1","3","1") = "5"
    & skf21("6","4","1","6","4","1","4","1") = "5"
    & skf21("6","4","1","6","4","1","5","1") = "5"
    & skf21("6","4","1","6","4","1","6","1") = "5"
    & skf21("6","4","1","6","4","1","7","1") = "6"
    & skf21("6","4","1","6","4","2","1","1") = "5"
    & skf21("6","4","1","6","4","2","2","1") = "5"
    & skf21("6","4","1","6","4","2","3","1") = "5"
    & skf21("6","4","1","6","4","2","4","1") = "5"
    & skf21("6","4","1","6","4","2","5","1") = "5"
    & skf21("6","4","1","6","4","2","6","1") = "5"
    & skf21("6","4","1","6","4","2","7","1") = "6"
    & skf21("6","4","1","6","4","3","1","1") = "5"
    & skf21("6","4","1","6","4","3","2","1") = "5"
    & skf21("6","4","1","6","4","3","3","1") = "5"
    & skf21("6","4","1","6","4","3","4","1") = "5"
    & skf21("6","4","1","6","4","3","5","1") = "5"
    & skf21("6","4","1","6","4","3","6","1") = "5"
    & skf21("6","4","1","6","4","3","7","1") = "6"
    & skf21("6","4","1","6","4","4","1","1") = "5"
    & skf21("6","4","1","6","4","4","2","1") = "5"
    & skf21("6","4","1","6","4","4","3","1") = "5"
    & skf21("6","4","1","6","4","4","4","1") = "5"
    & skf21("6","4","1","6","4","4","5","1") = "5"
    & skf21("6","4","1","6","4","4","6","1") = "5"
    & skf21("6","4","1","6","4","4","7","1") = "6"
    & skf21("6","4","1","6","4","5","1","1") = "5"
    & skf21("6","4","1","6","4","5","2","1") = "5"
    & skf21("6","4","1","6","4","5","3","1") = "5"
    & skf21("6","4","1","6","4","5","4","1") = "5"
    & skf21("6","4","1","6","4","5","5","1") = "5"
    & skf21("6","4","1","6","4","5","6","1") = "5"
    & skf21("6","4","1","6","4","5","7","1") = "6"
    & skf21("6","4","1","6","4","6","1","1") = "5"
    & skf21("6","4","1","6","4","6","2","1") = "5"
    & skf21("6","4","1","6","4","6","3","1") = "5"
    & skf21("6","4","1","6","4","6","4","1") = "5"
    & skf21("6","4","1","6","4","6","5","1") = "5"
    & skf21("6","4","1","6","4","6","6","1") = "5"
    & skf21("6","4","1","6","4","6","7","1") = "6"
    & skf21("6","4","1","6","4","7","1","1") = "6"
    & skf21("6","4","1","6","4","7","2","1") = "6"
    & skf21("6","4","1","6","4","7","3","1") = "6"
    & skf21("6","4","1","6","4","7","4","1") = "6"
    & skf21("6","4","1","6","4","7","5","1") = "6"
    & skf21("6","4","1","6","4","7","6","1") = "6"
    & skf21("6","4","1","6","4","7","7","1") = "6"
    & skf21("6","4","1","6","5","1","1","1") = "5"
    & skf21("6","4","1","6","5","1","2","1") = "5"
    & skf21("6","4","1","6","5","1","3","1") = "5"
    & skf21("6","4","1","6","5","1","4","1") = "5"
    & skf21("6","4","1","6","5","1","5","1") = "5"
    & skf21("6","4","1","6","5","1","6","1") = "5"
    & skf21("6","4","1","6","5","1","7","1") = "6"
    & skf21("6","4","1","6","5","2","1","1") = "5"
    & skf21("6","4","1","6","5","2","2","1") = "5"
    & skf21("6","4","1","6","5","2","3","1") = "5"
    & skf21("6","4","1","6","5","2","4","1") = "5"
    & skf21("6","4","1","6","5","2","5","1") = "5"
    & skf21("6","4","1","6","5","2","6","1") = "5"
    & skf21("6","4","1","6","5","2","7","1") = "6"
    & skf21("6","4","1","6","5","3","1","1") = "5"
    & skf21("6","4","1","6","5","3","2","1") = "5"
    & skf21("6","4","1","6","5","3","3","1") = "5"
    & skf21("6","4","1","6","5","3","4","1") = "5"
    & skf21("6","4","1","6","5","3","5","1") = "5"
    & skf21("6","4","1","6","5","3","6","1") = "5"
    & skf21("6","4","1","6","5","3","7","1") = "6"
    & skf21("6","4","1","6","5","4","1","1") = "5"
    & skf21("6","4","1","6","5","4","2","1") = "5"
    & skf21("6","4","1","6","5","4","3","1") = "5"
    & skf21("6","4","1","6","5","4","4","1") = "5"
    & skf21("6","4","1","6","5","4","5","1") = "5"
    & skf21("6","4","1","6","5","4","6","1") = "5"
    & skf21("6","4","1","6","5","4","7","1") = "6"
    & skf21("6","4","1","6","5","5","1","1") = "5"
    & skf21("6","4","1","6","5","5","2","1") = "5"
    & skf21("6","4","1","6","5","5","3","1") = "5"
    & skf21("6","4","1","6","5","5","4","1") = "5"
    & skf21("6","4","1","6","5","5","5","1") = "5"
    & skf21("6","4","1","6","5","5","6","1") = "5"
    & skf21("6","4","1","6","5","5","7","1") = "6"
    & skf21("6","4","1","6","5","6","1","1") = "5"
    & skf21("6","4","1","6","5","6","2","1") = "5"
    & skf21("6","4","1","6","5","6","3","1") = "5"
    & skf21("6","4","1","6","5","6","4","1") = "5"
    & skf21("6","4","1","6","5","6","5","1") = "5"
    & skf21("6","4","1","6","5","6","6","1") = "5"
    & skf21("6","4","1","6","5","6","7","1") = "6"
    & skf21("6","4","1","6","5","7","1","1") = "6"
    & skf21("6","4","1","6","5","7","2","1") = "6"
    & skf21("6","4","1","6","5","7","3","1") = "6"
    & skf21("6","4","1","6","5","7","4","1") = "6"
    & skf21("6","4","1","6","5","7","5","1") = "6"
    & skf21("6","4","1","6","5","7","6","1") = "6"
    & skf21("6","4","1","6","5","7","7","1") = "6"
    & skf21("6","4","1","6","6","1","1","1") = "5"
    & skf21("6","4","1","6","6","1","2","1") = "5"
    & skf21("6","4","1","6","6","1","3","1") = "5"
    & skf21("6","4","1","6","6","1","4","1") = "5"
    & skf21("6","4","1","6","6","1","5","1") = "5"
    & skf21("6","4","1","6","6","1","6","1") = "5"
    & skf21("6","4","1","6","6","1","7","1") = "6"
    & skf21("6","4","1","6","6","2","1","1") = "5"
    & skf21("6","4","1","6","6","2","2","1") = "5"
    & skf21("6","4","1","6","6","2","3","1") = "5"
    & skf21("6","4","1","6","6","2","4","1") = "5"
    & skf21("6","4","1","6","6","2","5","1") = "5"
    & skf21("6","4","1","6","6","2","6","1") = "5"
    & skf21("6","4","1","6","6","2","7","1") = "6"
    & skf21("6","4","1","6","6","3","1","1") = "5"
    & skf21("6","4","1","6","6","3","2","1") = "5"
    & skf21("6","4","1","6","6","3","3","1") = "5"
    & skf21("6","4","1","6","6","3","4","1") = "5"
    & skf21("6","4","1","6","6","3","5","1") = "5"
    & skf21("6","4","1","6","6","3","6","1") = "5"
    & skf21("6","4","1","6","6","3","7","1") = "6"
    & skf21("6","4","1","6","6","4","1","1") = "5"
    & skf21("6","4","1","6","6","4","2","1") = "5"
    & skf21("6","4","1","6","6","4","3","1") = "5"
    & skf21("6","4","1","6","6","4","4","1") = "5"
    & skf21("6","4","1","6","6","4","5","1") = "5"
    & skf21("6","4","1","6","6","4","6","1") = "5"
    & skf21("6","4","1","6","6","4","7","1") = "6"
    & skf21("6","4","1","6","6","5","1","1") = "5"
    & skf21("6","4","1","6","6","5","2","1") = "5"
    & skf21("6","4","1","6","6","5","3","1") = "5"
    & skf21("6","4","1","6","6","5","4","1") = "5"
    & skf21("6","4","1","6","6","5","5","1") = "5"
    & skf21("6","4","1","6","6","5","6","1") = "5"
    & skf21("6","4","1","6","6","5","7","1") = "6"
    & skf21("6","4","1","6","6","6","1","1") = "5"
    & skf21("6","4","1","6","6","6","2","1") = "5"
    & skf21("6","4","1","6","6","6","3","1") = "5"
    & skf21("6","4","1","6","6","6","4","1") = "5"
    & skf21("6","4","1","6","6","6","5","1") = "5"
    & skf21("6","4","1","6","6","6","6","1") = "5"
    & skf21("6","4","1","6","6","6","7","1") = "6"
    & skf21("6","4","1","6","6","7","1","1") = "6"
    & skf21("6","4","1","6","6","7","2","1") = "6"
    & skf21("6","4","1","6","6","7","3","1") = "6"
    & skf21("6","4","1","6","6","7","4","1") = "6"
    & skf21("6","4","1","6","6","7","5","1") = "6"
    & skf21("6","4","1","6","6","7","6","1") = "6"
    & skf21("6","4","1","6","6","7","7","1") = "6"
    & skf21("6","4","1","6","7","1","1","1") = "6"
    & skf21("6","4","1","6","7","1","2","1") = "6"
    & skf21("6","4","1","6","7","1","3","1") = "6"
    & skf21("6","4","1","6","7","1","4","1") = "6"
    & skf21("6","4","1","6","7","1","5","1") = "6"
    & skf21("6","4","1","6","7","1","6","1") = "6"
    & skf21("6","4","1","6","7","1","7","1") = "6"
    & skf21("6","4","1","6","7","2","1","1") = "6"
    & skf21("6","4","1","6","7","2","2","1") = "6"
    & skf21("6","4","1","6","7","2","3","1") = "6"
    & skf21("6","4","1","6","7","2","4","1") = "6"
    & skf21("6","4","1","6","7","2","5","1") = "6"
    & skf21("6","4","1","6","7","2","6","1") = "6"
    & skf21("6","4","1","6","7","2","7","1") = "6"
    & skf21("6","4","1","6","7","3","1","1") = "6"
    & skf21("6","4","1","6","7","3","2","1") = "6"
    & skf21("6","4","1","6","7","3","3","1") = "6"
    & skf21("6","4","1","6","7","3","4","1") = "6"
    & skf21("6","4","1","6","7","3","5","1") = "6"
    & skf21("6","4","1","6","7","3","6","1") = "6"
    & skf21("6","4","1","6","7","3","7","1") = "6"
    & skf21("6","4","1","6","7","4","1","1") = "6"
    & skf21("6","4","1","6","7","4","2","1") = "6"
    & skf21("6","4","1","6","7","4","3","1") = "6"
    & skf21("6","4","1","6","7","4","4","1") = "6"
    & skf21("6","4","1","6","7","4","5","1") = "6"
    & skf21("6","4","1","6","7","4","6","1") = "6"
    & skf21("6","4","1","6","7","4","7","1") = "6"
    & skf21("6","4","1","6","7","5","1","1") = "6"
    & skf21("6","4","1","6","7","5","2","1") = "6"
    & skf21("6","4","1","6","7","5","3","1") = "6"
    & skf21("6","4","1","6","7","5","4","1") = "6"
    & skf21("6","4","1","6","7","5","5","1") = "6"
    & skf21("6","4","1","6","7","5","6","1") = "6"
    & skf21("6","4","1","6","7","5","7","1") = "6"
    & skf21("6","4","1","6","7","6","1","1") = "6"
    & skf21("6","4","1","6","7","6","2","1") = "6"
    & skf21("6","4","1","6","7","6","3","1") = "6"
    & skf21("6","4","1","6","7","6","4","1") = "6"
    & skf21("6","4","1","6","7","6","5","1") = "6"
    & skf21("6","4","1","6","7","6","6","1") = "6"
    & skf21("6","4","1","6","7","6","7","1") = "6"
    & skf21("6","4","1","6","7","7","1","1") = "6"
    & skf21("6","4","1","6","7","7","2","1") = "6"
    & skf21("6","4","1","6","7","7","3","1") = "6"
    & skf21("6","4","1","6","7","7","4","1") = "6"
    & skf21("6","4","1","6","7","7","5","1") = "6"
    & skf21("6","4","1","6","7","7","6","1") = "6"
    & skf21("6","4","1","6","7","7","7","1") = "6"
    & skf21("6","4","1","7","1","1","1","1") = "6"
    & skf21("6","4","1","7","1","1","2","1") = "6"
    & skf21("6","4","1","7","1","1","3","1") = "6"
    & skf21("6","4","1","7","1","1","4","1") = "6"
    & skf21("6","4","1","7","1","1","5","1") = "6"
    & skf21("6","4","1","7","1","1","6","1") = "6"
    & skf21("6","4","1","7","1","1","7","1") = "6"
    & skf21("6","4","1","7","1","2","1","1") = "6"
    & skf21("6","4","1","7","1","2","2","1") = "6"
    & skf21("6","4","1","7","1","2","3","1") = "6"
    & skf21("6","4","1","7","1","2","4","1") = "6"
    & skf21("6","4","1","7","1","2","5","1") = "6"
    & skf21("6","4","1","7","1","2","6","1") = "6"
    & skf21("6","4","1","7","1","2","7","1") = "6"
    & skf21("6","4","1","7","1","3","1","1") = "6"
    & skf21("6","4","1","7","1","3","2","1") = "6"
    & skf21("6","4","1","7","1","3","3","1") = "6"
    & skf21("6","4","1","7","1","3","4","1") = "6"
    & skf21("6","4","1","7","1","3","5","1") = "6"
    & skf21("6","4","1","7","1","3","6","1") = "6"
    & skf21("6","4","1","7","1","3","7","1") = "6"
    & skf21("6","4","1","7","1","4","1","1") = "6"
    & skf21("6","4","1","7","1","4","2","1") = "6"
    & skf21("6","4","1","7","1","4","3","1") = "6"
    & skf21("6","4","1","7","1","4","4","1") = "6"
    & skf21("6","4","1","7","1","4","5","1") = "6"
    & skf21("6","4","1","7","1","4","6","1") = "6"
    & skf21("6","4","1","7","1","4","7","1") = "6"
    & skf21("6","4","1","7","1","5","1","1") = "6"
    & skf21("6","4","1","7","1","5","2","1") = "6"
    & skf21("6","4","1","7","1","5","3","1") = "6"
    & skf21("6","4","1","7","1","5","4","1") = "6"
    & skf21("6","4","1","7","1","5","5","1") = "6"
    & skf21("6","4","1","7","1","5","6","1") = "6"
    & skf21("6","4","1","7","1","5","7","1") = "6"
    & skf21("6","4","1","7","1","6","1","1") = "6"
    & skf21("6","4","1","7","1","6","2","1") = "6"
    & skf21("6","4","1","7","1","6","3","1") = "6"
    & skf21("6","4","1","7","1","6","4","1") = "6"
    & skf21("6","4","1","7","1","6","5","1") = "6"
    & skf21("6","4","1","7","1","6","6","1") = "6"
    & skf21("6","4","1","7","1","6","7","1") = "6"
    & skf21("6","4","1","7","1","7","1","1") = "6"
    & skf21("6","4","1","7","1","7","2","1") = "6"
    & skf21("6","4","1","7","1","7","3","1") = "6"
    & skf21("6","4","1","7","1","7","4","1") = "6"
    & skf21("6","4","1","7","1","7","5","1") = "6"
    & skf21("6","4","1","7","1","7","6","1") = "6"
    & skf21("6","4","1","7","1","7","7","1") = "6"
    & skf21("6","4","1","7","2","1","1","1") = "6"
    & skf21("6","4","1","7","2","1","2","1") = "6"
    & skf21("6","4","1","7","2","1","3","1") = "6"
    & skf21("6","4","1","7","2","1","4","1") = "6"
    & skf21("6","4","1","7","2","1","5","1") = "6"
    & skf21("6","4","1","7","2","1","6","1") = "6"
    & skf21("6","4","1","7","2","1","7","1") = "6"
    & skf21("6","4","1","7","2","2","1","1") = "6"
    & skf21("6","4","1","7","2","2","2","1") = "6"
    & skf21("6","4","1","7","2","2","3","1") = "6"
    & skf21("6","4","1","7","2","2","4","1") = "6"
    & skf21("6","4","1","7","2","2","5","1") = "6"
    & skf21("6","4","1","7","2","2","6","1") = "6"
    & skf21("6","4","1","7","2","2","7","1") = "6"
    & skf21("6","4","1","7","2","3","1","1") = "6"
    & skf21("6","4","1","7","2","3","2","1") = "6"
    & skf21("6","4","1","7","2","3","3","1") = "6"
    & skf21("6","4","1","7","2","3","4","1") = "6"
    & skf21("6","4","1","7","2","3","5","1") = "6"
    & skf21("6","4","1","7","2","3","6","1") = "6"
    & skf21("6","4","1","7","2","3","7","1") = "6"
    & skf21("6","4","1","7","2","4","1","1") = "6"
    & skf21("6","4","1","7","2","4","2","1") = "6"
    & skf21("6","4","1","7","2","4","3","1") = "6"
    & skf21("6","4","1","7","2","4","4","1") = "6"
    & skf21("6","4","1","7","2","4","5","1") = "6"
    & skf21("6","4","1","7","2","4","6","1") = "6"
    & skf21("6","4","1","7","2","4","7","1") = "6"
    & skf21("6","4","1","7","2","5","1","1") = "6"
    & skf21("6","4","1","7","2","5","2","1") = "6"
    & skf21("6","4","1","7","2","5","3","1") = "6"
    & skf21("6","4","1","7","2","5","4","1") = "6"
    & skf21("6","4","1","7","2","5","5","1") = "6"
    & skf21("6","4","1","7","2","5","6","1") = "6"
    & skf21("6","4","1","7","2","5","7","1") = "6"
    & skf21("6","4","1","7","2","6","1","1") = "6"
    & skf21("6","4","1","7","2","6","2","1") = "6"
    & skf21("6","4","1","7","2","6","3","1") = "6"
    & skf21("6","4","1","7","2","6","4","1") = "6"
    & skf21("6","4","1","7","2","6","5","1") = "6"
    & skf21("6","4","1","7","2","6","6","1") = "6"
    & skf21("6","4","1","7","2","6","7","1") = "6"
    & skf21("6","4","1","7","2","7","1","1") = "6"
    & skf21("6","4","1","7","2","7","2","1") = "6"
    & skf21("6","4","1","7","2","7","3","1") = "6"
    & skf21("6","4","1","7","2","7","4","1") = "6"
    & skf21("6","4","1","7","2","7","5","1") = "6"
    & skf21("6","4","1","7","2","7","6","1") = "6"
    & skf21("6","4","1","7","2","7","7","1") = "6"
    & skf21("6","4","1","7","3","1","1","1") = "6"
    & skf21("6","4","1","7","3","1","2","1") = "6"
    & skf21("6","4","1","7","3","1","3","1") = "6"
    & skf21("6","4","1","7","3","1","4","1") = "6"
    & skf21("6","4","1","7","3","1","5","1") = "6"
    & skf21("6","4","1","7","3","1","6","1") = "6"
    & skf21("6","4","1","7","3","1","7","1") = "6"
    & skf21("6","4","1","7","3","2","1","1") = "6"
    & skf21("6","4","1","7","3","2","2","1") = "6"
    & skf21("6","4","1","7","3","2","3","1") = "6"
    & skf21("6","4","1","7","3","2","4","1") = "6"
    & skf21("6","4","1","7","3","2","5","1") = "6"
    & skf21("6","4","1","7","3","2","6","1") = "6"
    & skf21("6","4","1","7","3","2","7","1") = "6"
    & skf21("6","4","1","7","3","3","1","1") = "6"
    & skf21("6","4","1","7","3","3","2","1") = "6"
    & skf21("6","4","1","7","3","3","3","1") = "6"
    & skf21("6","4","1","7","3","3","4","1") = "6"
    & skf21("6","4","1","7","3","3","5","1") = "6"
    & skf21("6","4","1","7","3","3","6","1") = "6"
    & skf21("6","4","1","7","3","3","7","1") = "6"
    & skf21("6","4","1","7","3","4","1","1") = "6"
    & skf21("6","4","1","7","3","4","2","1") = "6"
    & skf21("6","4","1","7","3","4","3","1") = "6"
    & skf21("6","4","1","7","3","4","4","1") = "6"
    & skf21("6","4","1","7","3","4","5","1") = "6"
    & skf21("6","4","1","7","3","4","6","1") = "6"
    & skf21("6","4","1","7","3","4","7","1") = "6"
    & skf21("6","4","1","7","3","5","1","1") = "6"
    & skf21("6","4","1","7","3","5","2","1") = "6"
    & skf21("6","4","1","7","3","5","3","1") = "6"
    & skf21("6","4","1","7","3","5","4","1") = "6"
    & skf21("6","4","1","7","3","5","5","1") = "6"
    & skf21("6","4","1","7","3","5","6","1") = "6"
    & skf21("6","4","1","7","3","5","7","1") = "6"
    & skf21("6","4","1","7","3","6","1","1") = "6"
    & skf21("6","4","1","7","3","6","2","1") = "6"
    & skf21("6","4","1","7","3","6","3","1") = "6"
    & skf21("6","4","1","7","3","6","4","1") = "6"
    & skf21("6","4","1","7","3","6","5","1") = "6"
    & skf21("6","4","1","7","3","6","6","1") = "6"
    & skf21("6","4","1","7","3","6","7","1") = "6"
    & skf21("6","4","1","7","3","7","1","1") = "6"
    & skf21("6","4","1","7","3","7","2","1") = "6"
    & skf21("6","4","1","7","3","7","3","1") = "6"
    & skf21("6","4","1","7","3","7","4","1") = "6"
    & skf21("6","4","1","7","3","7","5","1") = "6"
    & skf21("6","4","1","7","3","7","6","1") = "6"
    & skf21("6","4","1","7","3","7","7","1") = "6"
    & skf21("6","4","1","7","4","1","1","1") = "6"
    & skf21("6","4","1","7","4","1","2","1") = "6"
    & skf21("6","4","1","7","4","1","3","1") = "6"
    & skf21("6","4","1","7","4","1","4","1") = "6"
    & skf21("6","4","1","7","4","1","5","1") = "6"
    & skf21("6","4","1","7","4","1","6","1") = "6"
    & skf21("6","4","1","7","4","1","7","1") = "6"
    & skf21("6","4","1","7","4","2","1","1") = "6"
    & skf21("6","4","1","7","4","2","2","1") = "6"
    & skf21("6","4","1","7","4","2","3","1") = "6"
    & skf21("6","4","1","7","4","2","4","1") = "6"
    & skf21("6","4","1","7","4","2","5","1") = "6"
    & skf21("6","4","1","7","4","2","6","1") = "6"
    & skf21("6","4","1","7","4","2","7","1") = "6"
    & skf21("6","4","1","7","4","3","1","1") = "6"
    & skf21("6","4","1","7","4","3","2","1") = "6"
    & skf21("6","4","1","7","4","3","3","1") = "6"
    & skf21("6","4","1","7","4","3","4","1") = "6"
    & skf21("6","4","1","7","4","3","5","1") = "6"
    & skf21("6","4","1","7","4","3","6","1") = "6"
    & skf21("6","4","1","7","4","3","7","1") = "6"
    & skf21("6","4","1","7","4","4","1","1") = "6"
    & skf21("6","4","1","7","4","4","2","1") = "6"
    & skf21("6","4","1","7","4","4","3","1") = "6"
    & skf21("6","4","1","7","4","4","4","1") = "6"
    & skf21("6","4","1","7","4","4","5","1") = "6"
    & skf21("6","4","1","7","4","4","6","1") = "6"
    & skf21("6","4","1","7","4","4","7","1") = "6"
    & skf21("6","4","1","7","4","5","1","1") = "6"
    & skf21("6","4","1","7","4","5","2","1") = "6"
    & skf21("6","4","1","7","4","5","3","1") = "6"
    & skf21("6","4","1","7","4","5","4","1") = "6"
    & skf21("6","4","1","7","4","5","5","1") = "6"
    & skf21("6","4","1","7","4","5","6","1") = "6"
    & skf21("6","4","1","7","4","5","7","1") = "6"
    & skf21("6","4","1","7","4","6","1","1") = "6"
    & skf21("6","4","1","7","4","6","2","1") = "6"
    & skf21("6","4","1","7","4","6","3","1") = "6"
    & skf21("6","4","1","7","4","6","4","1") = "6"
    & skf21("6","4","1","7","4","6","5","1") = "6"
    & skf21("6","4","1","7","4","6","6","1") = "6"
    & skf21("6","4","1","7","4","6","7","1") = "6"
    & skf21("6","4","1","7","4","7","1","1") = "6"
    & skf21("6","4","1","7","4","7","2","1") = "6"
    & skf21("6","4","1","7","4","7","3","1") = "6"
    & skf21("6","4","1","7","4","7","4","1") = "6"
    & skf21("6","4","1","7","4","7","5","1") = "6"
    & skf21("6","4","1","7","4","7","6","1") = "6"
    & skf21("6","4","1","7","4","7","7","1") = "6"
    & skf21("6","4","1","7","5","1","1","1") = "6"
    & skf21("6","4","1","7","5","1","2","1") = "6"
    & skf21("6","4","1","7","5","1","3","1") = "6"
    & skf21("6","4","1","7","5","1","4","1") = "6"
    & skf21("6","4","1","7","5","1","5","1") = "6"
    & skf21("6","4","1","7","5","1","6","1") = "6"
    & skf21("6","4","1","7","5","1","7","1") = "6"
    & skf21("6","4","1","7","5","2","1","1") = "6"
    & skf21("6","4","1","7","5","2","2","1") = "6"
    & skf21("6","4","1","7","5","2","3","1") = "6"
    & skf21("6","4","1","7","5","2","4","1") = "6"
    & skf21("6","4","1","7","5","2","5","1") = "6"
    & skf21("6","4","1","7","5","2","6","1") = "6"
    & skf21("6","4","1","7","5","2","7","1") = "6"
    & skf21("6","4","1","7","5","3","1","1") = "6"
    & skf21("6","4","1","7","5","3","2","1") = "6"
    & skf21("6","4","1","7","5","3","3","1") = "6"
    & skf21("6","4","1","7","5","3","4","1") = "6"
    & skf21("6","4","1","7","5","3","5","1") = "6"
    & skf21("6","4","1","7","5","3","6","1") = "6"
    & skf21("6","4","1","7","5","3","7","1") = "6"
    & skf21("6","4","1","7","5","4","1","1") = "6"
    & skf21("6","4","1","7","5","4","2","1") = "6"
    & skf21("6","4","1","7","5","4","3","1") = "6"
    & skf21("6","4","1","7","5","4","4","1") = "6"
    & skf21("6","4","1","7","5","4","5","1") = "6"
    & skf21("6","4","1","7","5","4","6","1") = "6"
    & skf21("6","4","1","7","5","4","7","1") = "6"
    & skf21("6","4","1","7","5","5","1","1") = "6"
    & skf21("6","4","1","7","5","5","2","1") = "6"
    & skf21("6","4","1","7","5","5","3","1") = "6"
    & skf21("6","4","1","7","5","5","4","1") = "6"
    & skf21("6","4","1","7","5","5","5","1") = "6"
    & skf21("6","4","1","7","5","5","6","1") = "6"
    & skf21("6","4","1","7","5","5","7","1") = "6"
    & skf21("6","4","1","7","5","6","1","1") = "6"
    & skf21("6","4","1","7","5","6","2","1") = "6"
    & skf21("6","4","1","7","5","6","3","1") = "6"
    & skf21("6","4","1","7","5","6","4","1") = "6"
    & skf21("6","4","1","7","5","6","5","1") = "6"
    & skf21("6","4","1","7","5","6","6","1") = "6"
    & skf21("6","4","1","7","5","6","7","1") = "6"
    & skf21("6","4","1","7","5","7","1","1") = "6"
    & skf21("6","4","1","7","5","7","2","1") = "6"
    & skf21("6","4","1","7","5","7","3","1") = "6"
    & skf21("6","4","1","7","5","7","4","1") = "6"
    & skf21("6","4","1","7","5","7","5","1") = "6"
    & skf21("6","4","1","7","5","7","6","1") = "6"
    & skf21("6","4","1","7","5","7","7","1") = "6"
    & skf21("6","4","1","7","6","1","1","1") = "6"
    & skf21("6","4","1","7","6","1","2","1") = "6"
    & skf21("6","4","1","7","6","1","3","1") = "6"
    & skf21("6","4","1","7","6","1","4","1") = "6"
    & skf21("6","4","1","7","6","1","5","1") = "6"
    & skf21("6","4","1","7","6","1","6","1") = "6"
    & skf21("6","4","1","7","6","1","7","1") = "6"
    & skf21("6","4","1","7","6","2","1","1") = "6"
    & skf21("6","4","1","7","6","2","2","1") = "6"
    & skf21("6","4","1","7","6","2","3","1") = "6"
    & skf21("6","4","1","7","6","2","4","1") = "6"
    & skf21("6","4","1","7","6","2","5","1") = "6"
    & skf21("6","4","1","7","6","2","6","1") = "6"
    & skf21("6","4","1","7","6","2","7","1") = "6"
    & skf21("6","4","1","7","6","3","1","1") = "6"
    & skf21("6","4","1","7","6","3","2","1") = "6"
    & skf21("6","4","1","7","6","3","3","1") = "6"
    & skf21("6","4","1","7","6","3","4","1") = "6"
    & skf21("6","4","1","7","6","3","5","1") = "6"
    & skf21("6","4","1","7","6","3","6","1") = "6"
    & skf21("6","4","1","7","6","3","7","1") = "6"
    & skf21("6","4","1","7","6","4","1","1") = "6"
    & skf21("6","4","1","7","6","4","2","1") = "6"
    & skf21("6","4","1","7","6","4","3","1") = "6"
    & skf21("6","4","1","7","6","4","4","1") = "6"
    & skf21("6","4","1","7","6","4","5","1") = "6"
    & skf21("6","4","1","7","6","4","6","1") = "6"
    & skf21("6","4","1","7","6","4","7","1") = "6"
    & skf21("6","4","1","7","6","5","1","1") = "6"
    & skf21("6","4","1","7","6","5","2","1") = "6"
    & skf21("6","4","1","7","6","5","3","1") = "6"
    & skf21("6","4","1","7","6","5","4","1") = "6"
    & skf21("6","4","1","7","6","5","5","1") = "6"
    & skf21("6","4","1","7","6","5","6","1") = "6"
    & skf21("6","4","1","7","6","5","7","1") = "6"
    & skf21("6","4","1","7","6","6","1","1") = "6"
    & skf21("6","4","1","7","6","6","2","1") = "6"
    & skf21("6","4","1","7","6","6","3","1") = "6"
    & skf21("6","4","1","7","6","6","4","1") = "6"
    & skf21("6","4","1","7","6","6","5","1") = "6"
    & skf21("6","4","1","7","6","6","6","1") = "6"
    & skf21("6","4","1","7","6","6","7","1") = "6"
    & skf21("6","4","1","7","6","7","1","1") = "6"
    & skf21("6","4","1","7","6","7","2","1") = "6"
    & skf21("6","4","1","7","6","7","3","1") = "6"
    & skf21("6","4","1","7","6","7","4","1") = "6"
    & skf21("6","4","1","7","6","7","5","1") = "6"
    & skf21("6","4","1","7","6","7","6","1") = "6"
    & skf21("6","4","1","7","6","7","7","1") = "6"
    & skf21("6","4","1","7","7","1","1","1") = "6"
    & skf21("6","4","1","7","7","1","2","1") = "6"
    & skf21("6","4","1","7","7","1","3","1") = "6"
    & skf21("6","4","1","7","7","1","4","1") = "6"
    & skf21("6","4","1","7","7","1","5","1") = "6"
    & skf21("6","4","1","7","7","1","6","1") = "6"
    & skf21("6","4","1","7","7","1","7","1") = "6"
    & skf21("6","4","1","7","7","2","1","1") = "6"
    & skf21("6","4","1","7","7","2","2","1") = "6"
    & skf21("6","4","1","7","7","2","3","1") = "6"
    & skf21("6","4","1","7","7","2","4","1") = "6"
    & skf21("6","4","1","7","7","2","5","1") = "6"
    & skf21("6","4","1","7","7","2","6","1") = "6"
    & skf21("6","4","1","7","7","2","7","1") = "6"
    & skf21("6","4","1","7","7","3","1","1") = "6"
    & skf21("6","4","1","7","7","3","2","1") = "6"
    & skf21("6","4","1","7","7","3","3","1") = "6"
    & skf21("6","4","1","7","7","3","4","1") = "6"
    & skf21("6","4","1","7","7","3","5","1") = "6"
    & skf21("6","4","1","7","7","3","6","1") = "6"
    & skf21("6","4","1","7","7","3","7","1") = "6"
    & skf21("6","4","1","7","7","4","1","1") = "6"
    & skf21("6","4","1","7","7","4","2","1") = "6"
    & skf21("6","4","1","7","7","4","3","1") = "6"
    & skf21("6","4","1","7","7","4","4","1") = "6"
    & skf21("6","4","1","7","7","4","5","1") = "6"
    & skf21("6","4","1","7","7","4","6","1") = "6"
    & skf21("6","4","1","7","7","4","7","1") = "6"
    & skf21("6","4","1","7","7","5","1","1") = "6"
    & skf21("6","4","1","7","7","5","2","1") = "6"
    & skf21("6","4","1","7","7","5","3","1") = "6"
    & skf21("6","4","1","7","7","5","4","1") = "6"
    & skf21("6","4","1","7","7","5","5","1") = "6"
    & skf21("6","4","1","7","7","5","6","1") = "6"
    & skf21("6","4","1","7","7","5","7","1") = "6"
    & skf21("6","4","1","7","7","6","1","1") = "6"
    & skf21("6","4","1","7","7","6","2","1") = "6"
    & skf21("6","4","1","7","7","6","3","1") = "6"
    & skf21("6","4","1","7","7","6","4","1") = "6"
    & skf21("6","4","1","7","7","6","5","1") = "6"
    & skf21("6","4","1","7","7","6","6","1") = "6"
    & skf21("6","4","1","7","7","6","7","1") = "6"
    & skf21("6","4","1","7","7","7","1","1") = "6"
    & skf21("6","4","1","7","7","7","2","1") = "6"
    & skf21("6","4","1","7","7","7","3","1") = "6"
    & skf21("6","4","1","7","7","7","4","1") = "6"
    & skf21("6","4","1","7","7","7","5","1") = "6"
    & skf21("6","4","1","7","7","7","6","1") = "6"
    & skf21("6","4","1","7","7","7","7","1") = "6"
    & skf21("6","4","2","1","1","1","1","1") = "5"
    & skf21("6","4","2","1","1","1","2","1") = "5"
    & skf21("6","4","2","1","1","1","3","1") = "5"
    & skf21("6","4","2","1","1","1","4","1") = "5"
    & skf21("6","4","2","1","1","1","5","1") = "5"
    & skf21("6","4","2","1","1","1","6","1") = "5"
    & skf21("6","4","2","1","1","1","7","1") = "6"
    & skf21("6","4","2","1","1","2","1","1") = "5"
    & skf21("6","4","2","1","1","2","2","1") = "5"
    & skf21("6","4","2","1","1","2","3","1") = "5"
    & skf21("6","4","2","1","1","2","4","1") = "5"
    & skf21("6","4","2","1","1","2","5","1") = "5"
    & skf21("6","4","2","1","1","2","6","1") = "5"
    & skf21("6","4","2","1","1","2","7","1") = "6"
    & skf21("6","4","2","1","1","3","1","1") = "5"
    & skf21("6","4","2","1","1","3","2","1") = "5"
    & skf21("6","4","2","1","1","3","3","1") = "5"
    & skf21("6","4","2","1","1","3","4","1") = "5"
    & skf21("6","4","2","1","1","3","5","1") = "5"
    & skf21("6","4","2","1","1","3","6","1") = "5"
    & skf21("6","4","2","1","1","3","7","1") = "6"
    & skf21("6","4","2","1","1","4","1","1") = "5"
    & skf21("6","4","2","1","1","4","2","1") = "5"
    & skf21("6","4","2","1","1","4","3","1") = "5"
    & skf21("6","4","2","1","1","4","4","1") = "5"
    & skf21("6","4","2","1","1","4","5","1") = "5"
    & skf21("6","4","2","1","1","4","6","1") = "5"
    & skf21("6","4","2","1","1","4","7","1") = "6"
    & skf21("6","4","2","1","1","5","1","1") = "5"
    & skf21("6","4","2","1","1","5","2","1") = "5"
    & skf21("6","4","2","1","1","5","3","1") = "5"
    & skf21("6","4","2","1","1","5","4","1") = "5"
    & skf21("6","4","2","1","1","5","5","1") = "5"
    & skf21("6","4","2","1","1","5","6","1") = "5"
    & skf21("6","4","2","1","1","5","7","1") = "6"
    & skf21("6","4","2","1","1","6","1","1") = "5"
    & skf21("6","4","2","1","1","6","2","1") = "5"
    & skf21("6","4","2","1","1","6","3","1") = "5"
    & skf21("6","4","2","1","1","6","4","1") = "5"
    & skf21("6","4","2","1","1","6","5","1") = "5"
    & skf21("6","4","2","1","1","6","6","1") = "5"
    & skf21("6","4","2","1","1","6","7","1") = "6"
    & skf21("6","4","2","1","1","7","1","1") = "6"
    & skf21("6","4","2","1","1","7","2","1") = "6"
    & skf21("6","4","2","1","1","7","3","1") = "6"
    & skf21("6","4","2","1","1","7","4","1") = "6"
    & skf21("6","4","2","1","1","7","5","1") = "6"
    & skf21("6","4","2","1","1","7","6","1") = "6"
    & skf21("6","4","2","1","1","7","7","1") = "6"
    & skf21("6","4","2","1","2","1","1","1") = "5"
    & skf21("6","4","2","1","2","1","2","1") = "5"
    & skf21("6","4","2","1","2","1","3","1") = "5"
    & skf21("6","4","2","1","2","1","4","1") = "5"
    & skf21("6","4","2","1","2","1","5","1") = "5"
    & skf21("6","4","2","1","2","1","6","1") = "5"
    & skf21("6","4","2","1","2","1","7","1") = "6"
    & skf21("6","4","2","1","2","2","1","1") = "5"
    & skf21("6","4","2","1","2","2","2","1") = "5"
    & skf21("6","4","2","1","2","2","3","1") = "5"
    & skf21("6","4","2","1","2","2","4","1") = "5"
    & skf21("6","4","2","1","2","2","5","1") = "5"
    & skf21("6","4","2","1","2","2","6","1") = "5"
    & skf21("6","4","2","1","2","2","7","1") = "6"
    & skf21("6","4","2","1","2","3","1","1") = "5"
    & skf21("6","4","2","1","2","3","2","1") = "5"
    & skf21("6","4","2","1","2","3","3","1") = "5"
    & skf21("6","4","2","1","2","3","4","1") = "5"
    & skf21("6","4","2","1","2","3","5","1") = "5"
    & skf21("6","4","2","1","2","3","6","1") = "5"
    & skf21("6","4","2","1","2","3","7","1") = "6"
    & skf21("6","4","2","1","2","4","1","1") = "5"
    & skf21("6","4","2","1","2","4","2","1") = "5"
    & skf21("6","4","2","1","2","4","3","1") = "5"
    & skf21("6","4","2","1","2","4","4","1") = "5"
    & skf21("6","4","2","1","2","4","5","1") = "5"
    & skf21("6","4","2","1","2","4","6","1") = "5"
    & skf21("6","4","2","1","2","4","7","1") = "6"
    & skf21("6","4","2","1","2","5","1","1") = "5"
    & skf21("6","4","2","1","2","5","2","1") = "5"
    & skf21("6","4","2","1","2","5","3","1") = "5"
    & skf21("6","4","2","1","2","5","4","1") = "5"
    & skf21("6","4","2","1","2","5","5","1") = "5"
    & skf21("6","4","2","1","2","5","6","1") = "5"
    & skf21("6","4","2","1","2","5","7","1") = "6"
    & skf21("6","4","2","1","2","6","1","1") = "5"
    & skf21("6","4","2","1","2","6","2","1") = "5"
    & skf21("6","4","2","1","2","6","3","1") = "5"
    & skf21("6","4","2","1","2","6","4","1") = "5"
    & skf21("6","4","2","1","2","6","5","1") = "5"
    & skf21("6","4","2","1","2","6","6","1") = "5"
    & skf21("6","4","2","1","2","6","7","1") = "6"
    & skf21("6","4","2","1","2","7","1","1") = "6"
    & skf21("6","4","2","1","2","7","2","1") = "6"
    & skf21("6","4","2","1","2","7","3","1") = "6"
    & skf21("6","4","2","1","2","7","4","1") = "6"
    & skf21("6","4","2","1","2","7","5","1") = "6"
    & skf21("6","4","2","1","2","7","6","1") = "6"
    & skf21("6","4","2","1","2","7","7","1") = "6"
    & skf21("6","4","2","1","3","1","1","1") = "5"
    & skf21("6","4","2","1","3","1","2","1") = "5"
    & skf21("6","4","2","1","3","1","3","1") = "5"
    & skf21("6","4","2","1","3","1","4","1") = "5"
    & skf21("6","4","2","1","3","1","5","1") = "5"
    & skf21("6","4","2","1","3","1","6","1") = "5"
    & skf21("6","4","2","1","3","1","7","1") = "6"
    & skf21("6","4","2","1","3","2","1","1") = "5"
    & skf21("6","4","2","1","3","2","2","1") = "5"
    & skf21("6","4","2","1","3","2","3","1") = "5"
    & skf21("6","4","2","1","3","2","4","1") = "5"
    & skf21("6","4","2","1","3","2","5","1") = "5"
    & skf21("6","4","2","1","3","2","6","1") = "5"
    & skf21("6","4","2","1","3","2","7","1") = "6"
    & skf21("6","4","2","1","3","3","1","1") = "5"
    & skf21("6","4","2","1","3","3","2","1") = "5"
    & skf21("6","4","2","1","3","3","3","1") = "5"
    & skf21("6","4","2","1","3","3","4","1") = "5"
    & skf21("6","4","2","1","3","3","5","1") = "5"
    & skf21("6","4","2","1","3","3","6","1") = "5"
    & skf21("6","4","2","1","3","3","7","1") = "6"
    & skf21("6","4","2","1","3","4","1","1") = "5"
    & skf21("6","4","2","1","3","4","2","1") = "5"
    & skf21("6","4","2","1","3","4","3","1") = "5"
    & skf21("6","4","2","1","3","4","4","1") = "5"
    & skf21("6","4","2","1","3","4","5","1") = "5"
    & skf21("6","4","2","1","3","4","6","1") = "5"
    & skf21("6","4","2","1","3","4","7","1") = "6"
    & skf21("6","4","2","1","3","5","1","1") = "5"
    & skf21("6","4","2","1","3","5","2","1") = "5"
    & skf21("6","4","2","1","3","5","3","1") = "5"
    & skf21("6","4","2","1","3","5","4","1") = "5"
    & skf21("6","4","2","1","3","5","5","1") = "5"
    & skf21("6","4","2","1","3","5","6","1") = "5"
    & skf21("6","4","2","1","3","5","7","1") = "6"
    & skf21("6","4","2","1","3","6","1","1") = "5"
    & skf21("6","4","2","1","3","6","2","1") = "5"
    & skf21("6","4","2","1","3","6","3","1") = "5"
    & skf21("6","4","2","1","3","6","4","1") = "5"
    & skf21("6","4","2","1","3","6","5","1") = "5"
    & skf21("6","4","2","1","3","6","6","1") = "5"
    & skf21("6","4","2","1","3","6","7","1") = "6"
    & skf21("6","4","2","1","3","7","1","1") = "6"
    & skf21("6","4","2","1","3","7","2","1") = "6"
    & skf21("6","4","2","1","3","7","3","1") = "6"
    & skf21("6","4","2","1","3","7","4","1") = "6"
    & skf21("6","4","2","1","3","7","5","1") = "6"
    & skf21("6","4","2","1","3","7","6","1") = "6"
    & skf21("6","4","2","1","3","7","7","1") = "6"
    & skf21("6","4","2","1","4","1","1","1") = "5"
    & skf21("6","4","2","1","4","1","2","1") = "5"
    & skf21("6","4","2","1","4","1","3","1") = "5"
    & skf21("6","4","2","1","4","1","4","1") = "5"
    & skf21("6","4","2","1","4","1","5","1") = "5"
    & skf21("6","4","2","1","4","1","6","1") = "5"
    & skf21("6","4","2","1","4","1","7","1") = "6"
    & skf21("6","4","2","1","4","2","1","1") = "5"
    & skf21("6","4","2","1","4","2","2","1") = "5"
    & skf21("6","4","2","1","4","2","3","1") = "5"
    & skf21("6","4","2","1","4","2","4","1") = "5"
    & skf21("6","4","2","1","4","2","5","1") = "5"
    & skf21("6","4","2","1","4","2","6","1") = "5"
    & skf21("6","4","2","1","4","2","7","1") = "6"
    & skf21("6","4","2","1","4","3","1","1") = "5"
    & skf21("6","4","2","1","4","3","2","1") = "5"
    & skf21("6","4","2","1","4","3","3","1") = "5"
    & skf21("6","4","2","1","4","3","4","1") = "5"
    & skf21("6","4","2","1","4","3","5","1") = "5"
    & skf21("6","4","2","1","4","3","6","1") = "5"
    & skf21("6","4","2","1","4","3","7","1") = "6"
    & skf21("6","4","2","1","4","4","1","1") = "5"
    & skf21("6","4","2","1","4","4","2","1") = "5"
    & skf21("6","4","2","1","4","4","3","1") = "5"
    & skf21("6","4","2","1","4","4","4","1") = "5"
    & skf21("6","4","2","1","4","4","5","1") = "5"
    & skf21("6","4","2","1","4","4","6","1") = "5"
    & skf21("6","4","2","1","4","4","7","1") = "6"
    & skf21("6","4","2","1","4","5","1","1") = "5"
    & skf21("6","4","2","1","4","5","2","1") = "5"
    & skf21("6","4","2","1","4","5","3","1") = "5"
    & skf21("6","4","2","1","4","5","4","1") = "5"
    & skf21("6","4","2","1","4","5","5","1") = "5"
    & skf21("6","4","2","1","4","5","6","1") = "5"
    & skf21("6","4","2","1","4","5","7","1") = "6"
    & skf21("6","4","2","1","4","6","1","1") = "5"
    & skf21("6","4","2","1","4","6","2","1") = "5"
    & skf21("6","4","2","1","4","6","3","1") = "5"
    & skf21("6","4","2","1","4","6","4","1") = "5"
    & skf21("6","4","2","1","4","6","5","1") = "5"
    & skf21("6","4","2","1","4","6","6","1") = "5"
    & skf21("6","4","2","1","4","6","7","1") = "6"
    & skf21("6","4","2","1","4","7","1","1") = "6"
    & skf21("6","4","2","1","4","7","2","1") = "6"
    & skf21("6","4","2","1","4","7","3","1") = "6"
    & skf21("6","4","2","1","4","7","4","1") = "6"
    & skf21("6","4","2","1","4","7","5","1") = "6"
    & skf21("6","4","2","1","4","7","6","1") = "6"
    & skf21("6","4","2","1","4","7","7","1") = "6"
    & skf21("6","4","2","1","5","1","1","1") = "5"
    & skf21("6","4","2","1","5","1","2","1") = "5"
    & skf21("6","4","2","1","5","1","3","1") = "5"
    & skf21("6","4","2","1","5","1","4","1") = "5"
    & skf21("6","4","2","1","5","1","5","1") = "5"
    & skf21("6","4","2","1","5","1","6","1") = "5"
    & skf21("6","4","2","1","5","1","7","1") = "6"
    & skf21("6","4","2","1","5","2","1","1") = "5"
    & skf21("6","4","2","1","5","2","2","1") = "5"
    & skf21("6","4","2","1","5","2","3","1") = "5"
    & skf21("6","4","2","1","5","2","4","1") = "5"
    & skf21("6","4","2","1","5","2","5","1") = "5"
    & skf21("6","4","2","1","5","2","6","1") = "5"
    & skf21("6","4","2","1","5","2","7","1") = "6"
    & skf21("6","4","2","1","5","3","1","1") = "5"
    & skf21("6","4","2","1","5","3","2","1") = "5"
    & skf21("6","4","2","1","5","3","3","1") = "5"
    & skf21("6","4","2","1","5","3","4","1") = "5"
    & skf21("6","4","2","1","5","3","5","1") = "5"
    & skf21("6","4","2","1","5","3","6","1") = "5"
    & skf21("6","4","2","1","5","3","7","1") = "6"
    & skf21("6","4","2","1","5","4","1","1") = "5"
    & skf21("6","4","2","1","5","4","2","1") = "5"
    & skf21("6","4","2","1","5","4","3","1") = "5"
    & skf21("6","4","2","1","5","4","4","1") = "5"
    & skf21("6","4","2","1","5","4","5","1") = "5"
    & skf21("6","4","2","1","5","4","6","1") = "5"
    & skf21("6","4","2","1","5","4","7","1") = "6"
    & skf21("6","4","2","1","5","5","1","1") = "5"
    & skf21("6","4","2","1","5","5","2","1") = "5"
    & skf21("6","4","2","1","5","5","3","1") = "5"
    & skf21("6","4","2","1","5","5","4","1") = "5"
    & skf21("6","4","2","1","5","5","5","1") = "5"
    & skf21("6","4","2","1","5","5","6","1") = "5"
    & skf21("6","4","2","1","5","5","7","1") = "6"
    & skf21("6","4","2","1","5","6","1","1") = "5"
    & skf21("6","4","2","1","5","6","2","1") = "5"
    & skf21("6","4","2","1","5","6","3","1") = "5"
    & skf21("6","4","2","1","5","6","4","1") = "5"
    & skf21("6","4","2","1","5","6","5","1") = "5"
    & skf21("6","4","2","1","5","6","6","1") = "5"
    & skf21("6","4","2","1","5","6","7","1") = "6"
    & skf21("6","4","2","1","5","7","1","1") = "6"
    & skf21("6","4","2","1","5","7","2","1") = "6"
    & skf21("6","4","2","1","5","7","3","1") = "6"
    & skf21("6","4","2","1","5","7","4","1") = "6"
    & skf21("6","4","2","1","5","7","5","1") = "6"
    & skf21("6","4","2","1","5","7","6","1") = "6"
    & skf21("6","4","2","1","5","7","7","1") = "6"
    & skf21("6","4","2","1","6","1","1","1") = "5"
    & skf21("6","4","2","1","6","1","2","1") = "5"
    & skf21("6","4","2","1","6","1","3","1") = "5"
    & skf21("6","4","2","1","6","1","4","1") = "5"
    & skf21("6","4","2","1","6","1","5","1") = "5"
    & skf21("6","4","2","1","6","1","6","1") = "5"
    & skf21("6","4","2","1","6","1","7","1") = "6"
    & skf21("6","4","2","1","6","2","1","1") = "5"
    & skf21("6","4","2","1","6","2","2","1") = "5"
    & skf21("6","4","2","1","6","2","3","1") = "5"
    & skf21("6","4","2","1","6","2","4","1") = "5"
    & skf21("6","4","2","1","6","2","5","1") = "5"
    & skf21("6","4","2","1","6","2","6","1") = "5"
    & skf21("6","4","2","1","6","2","7","1") = "6"
    & skf21("6","4","2","1","6","3","1","1") = "5"
    & skf21("6","4","2","1","6","3","2","1") = "5"
    & skf21("6","4","2","1","6","3","3","1") = "5"
    & skf21("6","4","2","1","6","3","4","1") = "5"
    & skf21("6","4","2","1","6","3","5","1") = "5"
    & skf21("6","4","2","1","6","3","6","1") = "5"
    & skf21("6","4","2","1","6","3","7","1") = "6"
    & skf21("6","4","2","1","6","4","1","1") = "5"
    & skf21("6","4","2","1","6","4","2","1") = "5"
    & skf21("6","4","2","1","6","4","3","1") = "5"
    & skf21("6","4","2","1","6","4","4","1") = "5"
    & skf21("6","4","2","1","6","4","5","1") = "5"
    & skf21("6","4","2","1","6","4","6","1") = "5"
    & skf21("6","4","2","1","6","4","7","1") = "6"
    & skf21("6","4","2","1","6","5","1","1") = "5"
    & skf21("6","4","2","1","6","5","2","1") = "5"
    & skf21("6","4","2","1","6","5","3","1") = "5"
    & skf21("6","4","2","1","6","5","4","1") = "5"
    & skf21("6","4","2","1","6","5","5","1") = "5"
    & skf21("6","4","2","1","6","5","6","1") = "5"
    & skf21("6","4","2","1","6","5","7","1") = "6"
    & skf21("6","4","2","1","6","6","1","1") = "5"
    & skf21("6","4","2","1","6","6","2","1") = "5"
    & skf21("6","4","2","1","6","6","3","1") = "5"
    & skf21("6","4","2","1","6","6","4","1") = "5"
    & skf21("6","4","2","1","6","6","5","1") = "5"
    & skf21("6","4","2","1","6","6","6","1") = "5"
    & skf21("6","4","2","1","6","6","7","1") = "6"
    & skf21("6","4","2","1","6","7","1","1") = "6"
    & skf21("6","4","2","1","6","7","2","1") = "6"
    & skf21("6","4","2","1","6","7","3","1") = "6"
    & skf21("6","4","2","1","6","7","4","1") = "6"
    & skf21("6","4","2","1","6","7","5","1") = "6"
    & skf21("6","4","2","1","6","7","6","1") = "6"
    & skf21("6","4","2","1","6","7","7","1") = "6"
    & skf21("6","4","2","1","7","1","1","1") = "6"
    & skf21("6","4","2","1","7","1","2","1") = "6"
    & skf21("6","4","2","1","7","1","3","1") = "6"
    & skf21("6","4","2","1","7","1","4","1") = "6"
    & skf21("6","4","2","1","7","1","5","1") = "6"
    & skf21("6","4","2","1","7","1","6","1") = "6"
    & skf21("6","4","2","1","7","1","7","1") = "6"
    & skf21("6","4","2","1","7","2","1","1") = "6"
    & skf21("6","4","2","1","7","2","2","1") = "6"
    & skf21("6","4","2","1","7","2","3","1") = "6"
    & skf21("6","4","2","1","7","2","4","1") = "6"
    & skf21("6","4","2","1","7","2","5","1") = "6"
    & skf21("6","4","2","1","7","2","6","1") = "6"
    & skf21("6","4","2","1","7","2","7","1") = "6"
    & skf21("6","4","2","1","7","3","1","1") = "6"
    & skf21("6","4","2","1","7","3","2","1") = "6"
    & skf21("6","4","2","1","7","3","3","1") = "6"
    & skf21("6","4","2","1","7","3","4","1") = "6"
    & skf21("6","4","2","1","7","3","5","1") = "6"
    & skf21("6","4","2","1","7","3","6","1") = "6"
    & skf21("6","4","2","1","7","3","7","1") = "6"
    & skf21("6","4","2","1","7","4","1","1") = "6"
    & skf21("6","4","2","1","7","4","2","1") = "6"
    & skf21("6","4","2","1","7","4","3","1") = "6"
    & skf21("6","4","2","1","7","4","4","1") = "6"
    & skf21("6","4","2","1","7","4","5","1") = "6"
    & skf21("6","4","2","1","7","4","6","1") = "6"
    & skf21("6","4","2","1","7","4","7","1") = "6"
    & skf21("6","4","2","1","7","5","1","1") = "6"
    & skf21("6","4","2","1","7","5","2","1") = "6"
    & skf21("6","4","2","1","7","5","3","1") = "6"
    & skf21("6","4","2","1","7","5","4","1") = "6"
    & skf21("6","4","2","1","7","5","5","1") = "6"
    & skf21("6","4","2","1","7","5","6","1") = "6"
    & skf21("6","4","2","1","7","5","7","1") = "6"
    & skf21("6","4","2","1","7","6","1","1") = "6"
    & skf21("6","4","2","1","7","6","2","1") = "6"
    & skf21("6","4","2","1","7","6","3","1") = "6"
    & skf21("6","4","2","1","7","6","4","1") = "6"
    & skf21("6","4","2","1","7","6","5","1") = "6"
    & skf21("6","4","2","1","7","6","6","1") = "6"
    & skf21("6","4","2","1","7","6","7","1") = "6"
    & skf21("6","4","2","1","7","7","1","1") = "6"
    & skf21("6","4","2","1","7","7","2","1") = "6"
    & skf21("6","4","2","1","7","7","3","1") = "6"
    & skf21("6","4","2","1","7","7","4","1") = "6"
    & skf21("6","4","2","1","7","7","5","1") = "6"
    & skf21("6","4","2","1","7","7","6","1") = "6"
    & skf21("6","4","2","1","7","7","7","1") = "6"
    & skf21("6","4","2","2","1","1","1","1") = "5"
    & skf21("6","4","2","2","1","1","2","1") = "5"
    & skf21("6","4","2","2","1","1","3","1") = "5"
    & skf21("6","4","2","2","1","1","4","1") = "5"
    & skf21("6","4","2","2","1","1","5","1") = "5"
    & skf21("6","4","2","2","1","1","6","1") = "5"
    & skf21("6","4","2","2","1","1","7","1") = "6"
    & skf21("6","4","2","2","1","2","1","1") = "5"
    & skf21("6","4","2","2","1","2","2","1") = "5"
    & skf21("6","4","2","2","1","2","3","1") = "5"
    & skf21("6","4","2","2","1","2","4","1") = "5"
    & skf21("6","4","2","2","1","2","5","1") = "5"
    & skf21("6","4","2","2","1","2","6","1") = "5"
    & skf21("6","4","2","2","1","2","7","1") = "6"
    & skf21("6","4","2","2","1","3","1","1") = "5"
    & skf21("6","4","2","2","1","3","2","1") = "5"
    & skf21("6","4","2","2","1","3","3","1") = "5"
    & skf21("6","4","2","2","1","3","4","1") = "5"
    & skf21("6","4","2","2","1","3","5","1") = "5"
    & skf21("6","4","2","2","1","3","6","1") = "5"
    & skf21("6","4","2","2","1","3","7","1") = "6"
    & skf21("6","4","2","2","1","4","1","1") = "5"
    & skf21("6","4","2","2","1","4","2","1") = "5"
    & skf21("6","4","2","2","1","4","3","1") = "5"
    & skf21("6","4","2","2","1","4","4","1") = "5"
    & skf21("6","4","2","2","1","4","5","1") = "5"
    & skf21("6","4","2","2","1","4","6","1") = "5"
    & skf21("6","4","2","2","1","4","7","1") = "6"
    & skf21("6","4","2","2","1","5","1","1") = "5"
    & skf21("6","4","2","2","1","5","2","1") = "5"
    & skf21("6","4","2","2","1","5","3","1") = "5"
    & skf21("6","4","2","2","1","5","4","1") = "5"
    & skf21("6","4","2","2","1","5","5","1") = "5"
    & skf21("6","4","2","2","1","5","6","1") = "5"
    & skf21("6","4","2","2","1","5","7","1") = "6"
    & skf21("6","4","2","2","1","6","1","1") = "5"
    & skf21("6","4","2","2","1","6","2","1") = "5"
    & skf21("6","4","2","2","1","6","3","1") = "5"
    & skf21("6","4","2","2","1","6","4","1") = "5"
    & skf21("6","4","2","2","1","6","5","1") = "5"
    & skf21("6","4","2","2","1","6","6","1") = "5"
    & skf21("6","4","2","2","1","6","7","1") = "6"
    & skf21("6","4","2","2","1","7","1","1") = "6"
    & skf21("6","4","2","2","1","7","2","1") = "6"
    & skf21("6","4","2","2","1","7","3","1") = "6"
    & skf21("6","4","2","2","1","7","4","1") = "6"
    & skf21("6","4","2","2","1","7","5","1") = "6"
    & skf21("6","4","2","2","1","7","6","1") = "6"
    & skf21("6","4","2","2","1","7","7","1") = "6"
    & skf21("6","4","2","2","2","1","1","1") = "5"
    & skf21("6","4","2","2","2","1","2","1") = "5"
    & skf21("6","4","2","2","2","1","3","1") = "5"
    & skf21("6","4","2","2","2","1","4","1") = "5"
    & skf21("6","4","2","2","2","1","5","1") = "5"
    & skf21("6","4","2","2","2","1","6","1") = "5"
    & skf21("6","4","2","2","2","1","7","1") = "6"
    & skf21("6","4","2","2","2","2","1","1") = "5"
    & skf21("6","4","2","2","2","2","2","1") = "5"
    & skf21("6","4","2","2","2","2","3","1") = "5"
    & skf21("6","4","2","2","2","2","4","1") = "5"
    & skf21("6","4","2","2","2","2","5","1") = "5"
    & skf21("6","4","2","2","2","2","6","1") = "5"
    & skf21("6","4","2","2","2","2","7","1") = "6"
    & skf21("6","4","2","2","2","3","1","1") = "5"
    & skf21("6","4","2","2","2","3","2","1") = "5"
    & skf21("6","4","2","2","2","3","3","1") = "5"
    & skf21("6","4","2","2","2","3","4","1") = "5"
    & skf21("6","4","2","2","2","3","5","1") = "5"
    & skf21("6","4","2","2","2","3","6","1") = "5"
    & skf21("6","4","2","2","2","3","7","1") = "6"
    & skf21("6","4","2","2","2","4","1","1") = "5"
    & skf21("6","4","2","2","2","4","2","1") = "5"
    & skf21("6","4","2","2","2","4","3","1") = "5"
    & skf21("6","4","2","2","2","4","4","1") = "5"
    & skf21("6","4","2","2","2","4","5","1") = "5"
    & skf21("6","4","2","2","2","4","6","1") = "5"
    & skf21("6","4","2","2","2","4","7","1") = "6"
    & skf21("6","4","2","2","2","5","1","1") = "5"
    & skf21("6","4","2","2","2","5","2","1") = "5"
    & skf21("6","4","2","2","2","5","3","1") = "5"
    & skf21("6","4","2","2","2","5","4","1") = "5"
    & skf21("6","4","2","2","2","5","5","1") = "5"
    & skf21("6","4","2","2","2","5","6","1") = "5"
    & skf21("6","4","2","2","2","5","7","1") = "6"
    & skf21("6","4","2","2","2","6","1","1") = "5"
    & skf21("6","4","2","2","2","6","2","1") = "5"
    & skf21("6","4","2","2","2","6","3","1") = "5"
    & skf21("6","4","2","2","2","6","4","1") = "5"
    & skf21("6","4","2","2","2","6","5","1") = "5"
    & skf21("6","4","2","2","2","6","6","1") = "5"
    & skf21("6","4","2","2","2","6","7","1") = "6"
    & skf21("6","4","2","2","2","7","1","1") = "6"
    & skf21("6","4","2","2","2","7","2","1") = "6"
    & skf21("6","4","2","2","2","7","3","1") = "6"
    & skf21("6","4","2","2","2","7","4","1") = "6"
    & skf21("6","4","2","2","2","7","5","1") = "6"
    & skf21("6","4","2","2","2","7","6","1") = "6"
    & skf21("6","4","2","2","2","7","7","1") = "6"
    & skf21("6","4","2","2","3","1","1","1") = "5"
    & skf21("6","4","2","2","3","1","2","1") = "5"
    & skf21("6","4","2","2","3","1","3","1") = "5"
    & skf21("6","4","2","2","3","1","4","1") = "5"
    & skf21("6","4","2","2","3","1","5","1") = "5"
    & skf21("6","4","2","2","3","1","6","1") = "5"
    & skf21("6","4","2","2","3","1","7","1") = "6"
    & skf21("6","4","2","2","3","2","1","1") = "5"
    & skf21("6","4","2","2","3","2","2","1") = "5"
    & skf21("6","4","2","2","3","2","3","1") = "5"
    & skf21("6","4","2","2","3","2","4","1") = "5"
    & skf21("6","4","2","2","3","2","5","1") = "5"
    & skf21("6","4","2","2","3","2","6","1") = "5"
    & skf21("6","4","2","2","3","2","7","1") = "6"
    & skf21("6","4","2","2","3","3","1","1") = "5"
    & skf21("6","4","2","2","3","3","2","1") = "5"
    & skf21("6","4","2","2","3","3","3","1") = "5"
    & skf21("6","4","2","2","3","3","4","1") = "5"
    & skf21("6","4","2","2","3","3","5","1") = "5"
    & skf21("6","4","2","2","3","3","6","1") = "5"
    & skf21("6","4","2","2","3","3","7","1") = "6"
    & skf21("6","4","2","2","3","4","1","1") = "5"
    & skf21("6","4","2","2","3","4","2","1") = "5"
    & skf21("6","4","2","2","3","4","3","1") = "5"
    & skf21("6","4","2","2","3","4","4","1") = "5"
    & skf21("6","4","2","2","3","4","5","1") = "5"
    & skf21("6","4","2","2","3","4","6","1") = "5"
    & skf21("6","4","2","2","3","4","7","1") = "6"
    & skf21("6","4","2","2","3","5","1","1") = "5"
    & skf21("6","4","2","2","3","5","2","1") = "5"
    & skf21("6","4","2","2","3","5","3","1") = "5"
    & skf21("6","4","2","2","3","5","4","1") = "5"
    & skf21("6","4","2","2","3","5","5","1") = "5"
    & skf21("6","4","2","2","3","5","6","1") = "5"
    & skf21("6","4","2","2","3","5","7","1") = "6"
    & skf21("6","4","2","2","3","6","1","1") = "5"
    & skf21("6","4","2","2","3","6","2","1") = "5"
    & skf21("6","4","2","2","3","6","3","1") = "5"
    & skf21("6","4","2","2","3","6","4","1") = "5"
    & skf21("6","4","2","2","3","6","5","1") = "5"
    & skf21("6","4","2","2","3","6","6","1") = "5"
    & skf21("6","4","2","2","3","6","7","1") = "6"
    & skf21("6","4","2","2","3","7","1","1") = "6"
    & skf21("6","4","2","2","3","7","2","1") = "6"
    & skf21("6","4","2","2","3","7","3","1") = "6"
    & skf21("6","4","2","2","3","7","4","1") = "6"
    & skf21("6","4","2","2","3","7","5","1") = "6"
    & skf21("6","4","2","2","3","7","6","1") = "6"
    & skf21("6","4","2","2","3","7","7","1") = "6"
    & skf21("6","4","2","2","4","1","1","1") = "5"
    & skf21("6","4","2","2","4","1","2","1") = "5"
    & skf21("6","4","2","2","4","1","3","1") = "5"
    & skf21("6","4","2","2","4","1","4","1") = "5"
    & skf21("6","4","2","2","4","1","5","1") = "5"
    & skf21("6","4","2","2","4","1","6","1") = "5"
    & skf21("6","4","2","2","4","1","7","1") = "6"
    & skf21("6","4","2","2","4","2","1","1") = "5"
    & skf21("6","4","2","2","4","2","2","1") = "5"
    & skf21("6","4","2","2","4","2","3","1") = "5"
    & skf21("6","4","2","2","4","2","4","1") = "5"
    & skf21("6","4","2","2","4","2","5","1") = "5"
    & skf21("6","4","2","2","4","2","6","1") = "5"
    & skf21("6","4","2","2","4","2","7","1") = "6"
    & skf21("6","4","2","2","4","3","1","1") = "5"
    & skf21("6","4","2","2","4","3","2","1") = "5"
    & skf21("6","4","2","2","4","3","3","1") = "5"
    & skf21("6","4","2","2","4","3","4","1") = "5"
    & skf21("6","4","2","2","4","3","5","1") = "5"
    & skf21("6","4","2","2","4","3","6","1") = "5"
    & skf21("6","4","2","2","4","3","7","1") = "6"
    & skf21("6","4","2","2","4","4","1","1") = "5"
    & skf21("6","4","2","2","4","4","2","1") = "5"
    & skf21("6","4","2","2","4","4","3","1") = "5"
    & skf21("6","4","2","2","4","4","4","1") = "5"
    & skf21("6","4","2","2","4","4","5","1") = "5"
    & skf21("6","4","2","2","4","4","6","1") = "5"
    & skf21("6","4","2","2","4","4","7","1") = "6"
    & skf21("6","4","2","2","4","5","1","1") = "5"
    & skf21("6","4","2","2","4","5","2","1") = "5"
    & skf21("6","4","2","2","4","5","3","1") = "5"
    & skf21("6","4","2","2","4","5","4","1") = "5"
    & skf21("6","4","2","2","4","5","5","1") = "5"
    & skf21("6","4","2","2","4","5","6","1") = "5"
    & skf21("6","4","2","2","4","5","7","1") = "6"
    & skf21("6","4","2","2","4","6","1","1") = "5"
    & skf21("6","4","2","2","4","6","2","1") = "5"
    & skf21("6","4","2","2","4","6","3","1") = "5"
    & skf21("6","4","2","2","4","6","4","1") = "5"
    & skf21("6","4","2","2","4","6","5","1") = "5"
    & skf21("6","4","2","2","4","6","6","1") = "5"
    & skf21("6","4","2","2","4","6","7","1") = "6"
    & skf21("6","4","2","2","4","7","1","1") = "6"
    & skf21("6","4","2","2","4","7","2","1") = "6"
    & skf21("6","4","2","2","4","7","3","1") = "6"
    & skf21("6","4","2","2","4","7","4","1") = "6"
    & skf21("6","4","2","2","4","7","5","1") = "6"
    & skf21("6","4","2","2","4","7","6","1") = "6"
    & skf21("6","4","2","2","4","7","7","1") = "6"
    & skf21("6","4","2","2","5","1","1","1") = "5"
    & skf21("6","4","2","2","5","1","2","1") = "5"
    & skf21("6","4","2","2","5","1","3","1") = "5"
    & skf21("6","4","2","2","5","1","4","1") = "5"
    & skf21("6","4","2","2","5","1","5","1") = "5"
    & skf21("6","4","2","2","5","1","6","1") = "5"
    & skf21("6","4","2","2","5","1","7","1") = "6"
    & skf21("6","4","2","2","5","2","1","1") = "5"
    & skf21("6","4","2","2","5","2","2","1") = "5"
    & skf21("6","4","2","2","5","2","3","1") = "5"
    & skf21("6","4","2","2","5","2","4","1") = "5"
    & skf21("6","4","2","2","5","2","5","1") = "5"
    & skf21("6","4","2","2","5","2","6","1") = "5"
    & skf21("6","4","2","2","5","2","7","1") = "6"
    & skf21("6","4","2","2","5","3","1","1") = "5"
    & skf21("6","4","2","2","5","3","2","1") = "5"
    & skf21("6","4","2","2","5","3","3","1") = "5"
    & skf21("6","4","2","2","5","3","4","1") = "5"
    & skf21("6","4","2","2","5","3","5","1") = "5"
    & skf21("6","4","2","2","5","3","6","1") = "5"
    & skf21("6","4","2","2","5","3","7","1") = "6"
    & skf21("6","4","2","2","5","4","1","1") = "5"
    & skf21("6","4","2","2","5","4","2","1") = "5"
    & skf21("6","4","2","2","5","4","3","1") = "5"
    & skf21("6","4","2","2","5","4","4","1") = "5"
    & skf21("6","4","2","2","5","4","5","1") = "5"
    & skf21("6","4","2","2","5","4","6","1") = "5"
    & skf21("6","4","2","2","5","4","7","1") = "6"
    & skf21("6","4","2","2","5","5","1","1") = "5"
    & skf21("6","4","2","2","5","5","2","1") = "5"
    & skf21("6","4","2","2","5","5","3","1") = "5"
    & skf21("6","4","2","2","5","5","4","1") = "5"
    & skf21("6","4","2","2","5","5","5","1") = "5"
    & skf21("6","4","2","2","5","5","6","1") = "5"
    & skf21("6","4","2","2","5","5","7","1") = "6"
    & skf21("6","4","2","2","5","6","1","1") = "5"
    & skf21("6","4","2","2","5","6","2","1") = "5"
    & skf21("6","4","2","2","5","6","3","1") = "5"
    & skf21("6","4","2","2","5","6","4","1") = "5"
    & skf21("6","4","2","2","5","6","5","1") = "5"
    & skf21("6","4","2","2","5","6","6","1") = "5"
    & skf21("6","4","2","2","5","6","7","1") = "6"
    & skf21("6","4","2","2","5","7","1","1") = "6"
    & skf21("6","4","2","2","5","7","2","1") = "6"
    & skf21("6","4","2","2","5","7","3","1") = "6"
    & skf21("6","4","2","2","5","7","4","1") = "6"
    & skf21("6","4","2","2","5","7","5","1") = "6"
    & skf21("6","4","2","2","5","7","6","1") = "6"
    & skf21("6","4","2","2","5","7","7","1") = "6"
    & skf21("6","4","2","2","6","1","1","1") = "5"
    & skf21("6","4","2","2","6","1","2","1") = "5"
    & skf21("6","4","2","2","6","1","3","1") = "5"
    & skf21("6","4","2","2","6","1","4","1") = "5"
    & skf21("6","4","2","2","6","1","5","1") = "5"
    & skf21("6","4","2","2","6","1","6","1") = "5"
    & skf21("6","4","2","2","6","1","7","1") = "6"
    & skf21("6","4","2","2","6","2","1","1") = "5"
    & skf21("6","4","2","2","6","2","2","1") = "5"
    & skf21("6","4","2","2","6","2","3","1") = "5"
    & skf21("6","4","2","2","6","2","4","1") = "5"
    & skf21("6","4","2","2","6","2","5","1") = "5"
    & skf21("6","4","2","2","6","2","6","1") = "5"
    & skf21("6","4","2","2","6","2","7","1") = "6"
    & skf21("6","4","2","2","6","3","1","1") = "5"
    & skf21("6","4","2","2","6","3","2","1") = "5"
    & skf21("6","4","2","2","6","3","3","1") = "5"
    & skf21("6","4","2","2","6","3","4","1") = "5"
    & skf21("6","4","2","2","6","3","5","1") = "5"
    & skf21("6","4","2","2","6","3","6","1") = "5"
    & skf21("6","4","2","2","6","3","7","1") = "6"
    & skf21("6","4","2","2","6","4","1","1") = "5"
    & skf21("6","4","2","2","6","4","2","1") = "5"
    & skf21("6","4","2","2","6","4","3","1") = "5"
    & skf21("6","4","2","2","6","4","4","1") = "5"
    & skf21("6","4","2","2","6","4","5","1") = "5"
    & skf21("6","4","2","2","6","4","6","1") = "5"
    & skf21("6","4","2","2","6","4","7","1") = "6"
    & skf21("6","4","2","2","6","5","1","1") = "5"
    & skf21("6","4","2","2","6","5","2","1") = "5"
    & skf21("6","4","2","2","6","5","3","1") = "5"
    & skf21("6","4","2","2","6","5","4","1") = "5"
    & skf21("6","4","2","2","6","5","5","1") = "5"
    & skf21("6","4","2","2","6","5","6","1") = "5"
    & skf21("6","4","2","2","6","5","7","1") = "6"
    & skf21("6","4","2","2","6","6","1","1") = "5"
    & skf21("6","4","2","2","6","6","2","1") = "5"
    & skf21("6","4","2","2","6","6","3","1") = "5"
    & skf21("6","4","2","2","6","6","4","1") = "5"
    & skf21("6","4","2","2","6","6","5","1") = "5"
    & skf21("6","4","2","2","6","6","6","1") = "5"
    & skf21("6","4","2","2","6","6","7","1") = "6"
    & skf21("6","4","2","2","6","7","1","1") = "6"
    & skf21("6","4","2","2","6","7","2","1") = "6"
    & skf21("6","4","2","2","6","7","3","1") = "6"
    & skf21("6","4","2","2","6","7","4","1") = "6"
    & skf21("6","4","2","2","6","7","5","1") = "6"
    & skf21("6","4","2","2","6","7","6","1") = "6"
    & skf21("6","4","2","2","6","7","7","1") = "6"
    & skf21("6","4","2","2","7","1","1","1") = "6"
    & skf21("6","4","2","2","7","1","2","1") = "6"
    & skf21("6","4","2","2","7","1","3","1") = "6"
    & skf21("6","4","2","2","7","1","4","1") = "6"
    & skf21("6","4","2","2","7","1","5","1") = "6"
    & skf21("6","4","2","2","7","1","6","1") = "6"
    & skf21("6","4","2","2","7","1","7","1") = "6"
    & skf21("6","4","2","2","7","2","1","1") = "6"
    & skf21("6","4","2","2","7","2","2","1") = "6"
    & skf21("6","4","2","2","7","2","3","1") = "6"
    & skf21("6","4","2","2","7","2","4","1") = "6"
    & skf21("6","4","2","2","7","2","5","1") = "6"
    & skf21("6","4","2","2","7","2","6","1") = "6"
    & skf21("6","4","2","2","7","2","7","1") = "6"
    & skf21("6","4","2","2","7","3","1","1") = "6"
    & skf21("6","4","2","2","7","3","2","1") = "6"
    & skf21("6","4","2","2","7","3","3","1") = "6"
    & skf21("6","4","2","2","7","3","4","1") = "6"
    & skf21("6","4","2","2","7","3","5","1") = "6"
    & skf21("6","4","2","2","7","3","6","1") = "6"
    & skf21("6","4","2","2","7","3","7","1") = "6"
    & skf21("6","4","2","2","7","4","1","1") = "6"
    & skf21("6","4","2","2","7","4","2","1") = "6"
    & skf21("6","4","2","2","7","4","3","1") = "6"
    & skf21("6","4","2","2","7","4","4","1") = "6"
    & skf21("6","4","2","2","7","4","5","1") = "6"
    & skf21("6","4","2","2","7","4","6","1") = "6"
    & skf21("6","4","2","2","7","4","7","1") = "6"
    & skf21("6","4","2","2","7","5","1","1") = "6"
    & skf21("6","4","2","2","7","5","2","1") = "6"
    & skf21("6","4","2","2","7","5","3","1") = "6"
    & skf21("6","4","2","2","7","5","4","1") = "6"
    & skf21("6","4","2","2","7","5","5","1") = "6"
    & skf21("6","4","2","2","7","5","6","1") = "6"
    & skf21("6","4","2","2","7","5","7","1") = "6"
    & skf21("6","4","2","2","7","6","1","1") = "6"
    & skf21("6","4","2","2","7","6","2","1") = "6"
    & skf21("6","4","2","2","7","6","3","1") = "6"
    & skf21("6","4","2","2","7","6","4","1") = "6"
    & skf21("6","4","2","2","7","6","5","1") = "6"
    & skf21("6","4","2","2","7","6","6","1") = "6"
    & skf21("6","4","2","2","7","6","7","1") = "6"
    & skf21("6","4","2","2","7","7","1","1") = "6"
    & skf21("6","4","2","2","7","7","2","1") = "6"
    & skf21("6","4","2","2","7","7","3","1") = "6"
    & skf21("6","4","2","2","7","7","4","1") = "6"
    & skf21("6","4","2","2","7","7","5","1") = "6"
    & skf21("6","4","2","2","7","7","6","1") = "6"
    & skf21("6","4","2","2","7","7","7","1") = "6"
    & skf21("6","4","2","3","1","1","1","1") = "5"
    & skf21("6","4","2","3","1","1","2","1") = "5"
    & skf21("6","4","2","3","1","1","3","1") = "5"
    & skf21("6","4","2","3","1","1","4","1") = "5"
    & skf21("6","4","2","3","1","1","5","1") = "5"
    & skf21("6","4","2","3","1","1","6","1") = "5"
    & skf21("6","4","2","3","1","1","7","1") = "6"
    & skf21("6","4","2","3","1","2","1","1") = "5"
    & skf21("6","4","2","3","1","2","2","1") = "5"
    & skf21("6","4","2","3","1","2","3","1") = "5"
    & skf21("6","4","2","3","1","2","4","1") = "5"
    & skf21("6","4","2","3","1","2","5","1") = "5"
    & skf21("6","4","2","3","1","2","6","1") = "5"
    & skf21("6","4","2","3","1","2","7","1") = "6"
    & skf21("6","4","2","3","1","3","1","1") = "5"
    & skf21("6","4","2","3","1","3","2","1") = "5"
    & skf21("6","4","2","3","1","3","3","1") = "5"
    & skf21("6","4","2","3","1","3","4","1") = "5"
    & skf21("6","4","2","3","1","3","5","1") = "5"
    & skf21("6","4","2","3","1","3","6","1") = "5"
    & skf21("6","4","2","3","1","3","7","1") = "6"
    & skf21("6","4","2","3","1","4","1","1") = "5"
    & skf21("6","4","2","3","1","4","2","1") = "5"
    & skf21("6","4","2","3","1","4","3","1") = "5"
    & skf21("6","4","2","3","1","4","4","1") = "5"
    & skf21("6","4","2","3","1","4","5","1") = "5"
    & skf21("6","4","2","3","1","4","6","1") = "5"
    & skf21("6","4","2","3","1","4","7","1") = "6"
    & skf21("6","4","2","3","1","5","1","1") = "5"
    & skf21("6","4","2","3","1","5","2","1") = "5"
    & skf21("6","4","2","3","1","5","3","1") = "5"
    & skf21("6","4","2","3","1","5","4","1") = "5"
    & skf21("6","4","2","3","1","5","5","1") = "5"
    & skf21("6","4","2","3","1","5","6","1") = "5"
    & skf21("6","4","2","3","1","5","7","1") = "6"
    & skf21("6","4","2","3","1","6","1","1") = "5"
    & skf21("6","4","2","3","1","6","2","1") = "5"
    & skf21("6","4","2","3","1","6","3","1") = "5"
    & skf21("6","4","2","3","1","6","4","1") = "5"
    & skf21("6","4","2","3","1","6","5","1") = "5"
    & skf21("6","4","2","3","1","6","6","1") = "5"
    & skf21("6","4","2","3","1","6","7","1") = "6"
    & skf21("6","4","2","3","1","7","1","1") = "6"
    & skf21("6","4","2","3","1","7","2","1") = "6"
    & skf21("6","4","2","3","1","7","3","1") = "6"
    & skf21("6","4","2","3","1","7","4","1") = "6"
    & skf21("6","4","2","3","1","7","5","1") = "6"
    & skf21("6","4","2","3","1","7","6","1") = "6"
    & skf21("6","4","2","3","1","7","7","1") = "6"
    & skf21("6","4","2","3","2","1","1","1") = "5"
    & skf21("6","4","2","3","2","1","2","1") = "5"
    & skf21("6","4","2","3","2","1","3","1") = "5"
    & skf21("6","4","2","3","2","1","4","1") = "5"
    & skf21("6","4","2","3","2","1","5","1") = "5"
    & skf21("6","4","2","3","2","1","6","1") = "5"
    & skf21("6","4","2","3","2","1","7","1") = "6"
    & skf21("6","4","2","3","2","2","1","1") = "5"
    & skf21("6","4","2","3","2","2","2","1") = "5"
    & skf21("6","4","2","3","2","2","3","1") = "5"
    & skf21("6","4","2","3","2","2","4","1") = "5"
    & skf21("6","4","2","3","2","2","5","1") = "5"
    & skf21("6","4","2","3","2","2","6","1") = "5"
    & skf21("6","4","2","3","2","2","7","1") = "6"
    & skf21("6","4","2","3","2","3","1","1") = "5"
    & skf21("6","4","2","3","2","3","2","1") = "5"
    & skf21("6","4","2","3","2","3","3","1") = "5"
    & skf21("6","4","2","3","2","3","4","1") = "5"
    & skf21("6","4","2","3","2","3","5","1") = "5"
    & skf21("6","4","2","3","2","3","6","1") = "5"
    & skf21("6","4","2","3","2","3","7","1") = "6"
    & skf21("6","4","2","3","2","4","1","1") = "5"
    & skf21("6","4","2","3","2","4","2","1") = "5"
    & skf21("6","4","2","3","2","4","3","1") = "5"
    & skf21("6","4","2","3","2","4","4","1") = "5"
    & skf21("6","4","2","3","2","4","5","1") = "5"
    & skf21("6","4","2","3","2","4","6","1") = "5"
    & skf21("6","4","2","3","2","4","7","1") = "6"
    & skf21("6","4","2","3","2","5","1","1") = "5"
    & skf21("6","4","2","3","2","5","2","1") = "5"
    & skf21("6","4","2","3","2","5","3","1") = "5"
    & skf21("6","4","2","3","2","5","4","1") = "5"
    & skf21("6","4","2","3","2","5","5","1") = "5"
    & skf21("6","4","2","3","2","5","6","1") = "5"
    & skf21("6","4","2","3","2","5","7","1") = "6"
    & skf21("6","4","2","3","2","6","1","1") = "5"
    & skf21("6","4","2","3","2","6","2","1") = "5"
    & skf21("6","4","2","3","2","6","3","1") = "5"
    & skf21("6","4","2","3","2","6","4","1") = "5"
    & skf21("6","4","2","3","2","6","5","1") = "5"
    & skf21("6","4","2","3","2","6","6","1") = "5"
    & skf21("6","4","2","3","2","6","7","1") = "6"
    & skf21("6","4","2","3","2","7","1","1") = "6"
    & skf21("6","4","2","3","2","7","2","1") = "6"
    & skf21("6","4","2","3","2","7","3","1") = "6"
    & skf21("6","4","2","3","2","7","4","1") = "6"
    & skf21("6","4","2","3","2","7","5","1") = "6"
    & skf21("6","4","2","3","2","7","6","1") = "6"
    & skf21("6","4","2","3","2","7","7","1") = "6"
    & skf21("6","4","2","3","3","1","1","1") = "5"
    & skf21("6","4","2","3","3","1","2","1") = "5"
    & skf21("6","4","2","3","3","1","3","1") = "5"
    & skf21("6","4","2","3","3","1","4","1") = "5"
    & skf21("6","4","2","3","3","1","5","1") = "5"
    & skf21("6","4","2","3","3","1","6","1") = "5"
    & skf21("6","4","2","3","3","1","7","1") = "6"
    & skf21("6","4","2","3","3","2","1","1") = "5"
    & skf21("6","4","2","3","3","2","2","1") = "5"
    & skf21("6","4","2","3","3","2","3","1") = "5"
    & skf21("6","4","2","3","3","2","4","1") = "5"
    & skf21("6","4","2","3","3","2","5","1") = "5"
    & skf21("6","4","2","3","3","2","6","1") = "5"
    & skf21("6","4","2","3","3","2","7","1") = "6"
    & skf21("6","4","2","3","3","3","1","1") = "5"
    & skf21("6","4","2","3","3","3","2","1") = "5"
    & skf21("6","4","2","3","3","3","3","1") = "5"
    & skf21("6","4","2","3","3","3","4","1") = "5"
    & skf21("6","4","2","3","3","3","5","1") = "5"
    & skf21("6","4","2","3","3","3","6","1") = "5"
    & skf21("6","4","2","3","3","3","7","1") = "6"
    & skf21("6","4","2","3","3","4","1","1") = "5"
    & skf21("6","4","2","3","3","4","2","1") = "5"
    & skf21("6","4","2","3","3","4","3","1") = "5"
    & skf21("6","4","2","3","3","4","4","1") = "5"
    & skf21("6","4","2","3","3","4","5","1") = "5"
    & skf21("6","4","2","3","3","4","6","1") = "5"
    & skf21("6","4","2","3","3","4","7","1") = "6"
    & skf21("6","4","2","3","3","5","1","1") = "5"
    & skf21("6","4","2","3","3","5","2","1") = "5"
    & skf21("6","4","2","3","3","5","3","1") = "5"
    & skf21("6","4","2","3","3","5","4","1") = "5"
    & skf21("6","4","2","3","3","5","5","1") = "5"
    & skf21("6","4","2","3","3","5","6","1") = "5"
    & skf21("6","4","2","3","3","5","7","1") = "6"
    & skf21("6","4","2","3","3","6","1","1") = "5"
    & skf21("6","4","2","3","3","6","2","1") = "5"
    & skf21("6","4","2","3","3","6","3","1") = "5"
    & skf21("6","4","2","3","3","6","4","1") = "5"
    & skf21("6","4","2","3","3","6","5","1") = "5"
    & skf21("6","4","2","3","3","6","6","1") = "5"
    & skf21("6","4","2","3","3","6","7","1") = "6"
    & skf21("6","4","2","3","3","7","1","1") = "6"
    & skf21("6","4","2","3","3","7","2","1") = "6"
    & skf21("6","4","2","3","3","7","3","1") = "6"
    & skf21("6","4","2","3","3","7","4","1") = "6"
    & skf21("6","4","2","3","3","7","5","1") = "6"
    & skf21("6","4","2","3","3","7","6","1") = "6"
    & skf21("6","4","2","3","3","7","7","1") = "6"
    & skf21("6","4","2","3","4","1","1","1") = "5"
    & skf21("6","4","2","3","4","1","2","1") = "5"
    & skf21("6","4","2","3","4","1","3","1") = "5"
    & skf21("6","4","2","3","4","1","4","1") = "5"
    & skf21("6","4","2","3","4","1","5","1") = "5"
    & skf21("6","4","2","3","4","1","6","1") = "5"
    & skf21("6","4","2","3","4","1","7","1") = "6"
    & skf21("6","4","2","3","4","2","1","1") = "5"
    & skf21("6","4","2","3","4","2","2","1") = "5"
    & skf21("6","4","2","3","4","2","3","1") = "5"
    & skf21("6","4","2","3","4","2","4","1") = "5"
    & skf21("6","4","2","3","4","2","5","1") = "5"
    & skf21("6","4","2","3","4","2","6","1") = "5"
    & skf21("6","4","2","3","4","2","7","1") = "6"
    & skf21("6","4","2","3","4","3","1","1") = "5"
    & skf21("6","4","2","3","4","3","2","1") = "5"
    & skf21("6","4","2","3","4","3","3","1") = "5"
    & skf21("6","4","2","3","4","3","4","1") = "5"
    & skf21("6","4","2","3","4","3","5","1") = "5"
    & skf21("6","4","2","3","4","3","6","1") = "5"
    & skf21("6","4","2","3","4","3","7","1") = "6"
    & skf21("6","4","2","3","4","4","1","1") = "5"
    & skf21("6","4","2","3","4","4","2","1") = "5"
    & skf21("6","4","2","3","4","4","3","1") = "5"
    & skf21("6","4","2","3","4","4","4","1") = "5"
    & skf21("6","4","2","3","4","4","5","1") = "5"
    & skf21("6","4","2","3","4","4","6","1") = "5"
    & skf21("6","4","2","3","4","4","7","1") = "6"
    & skf21("6","4","2","3","4","5","1","1") = "5"
    & skf21("6","4","2","3","4","5","2","1") = "5"
    & skf21("6","4","2","3","4","5","3","1") = "5"
    & skf21("6","4","2","3","4","5","4","1") = "5"
    & skf21("6","4","2","3","4","5","5","1") = "5"
    & skf21("6","4","2","3","4","5","6","1") = "5"
    & skf21("6","4","2","3","4","5","7","1") = "6"
    & skf21("6","4","2","3","4","6","1","1") = "5"
    & skf21("6","4","2","3","4","6","2","1") = "5"
    & skf21("6","4","2","3","4","6","3","1") = "5"
    & skf21("6","4","2","3","4","6","4","1") = "5"
    & skf21("6","4","2","3","4","6","5","1") = "5"
    & skf21("6","4","2","3","4","6","6","1") = "5"
    & skf21("6","4","2","3","4","6","7","1") = "6"
    & skf21("6","4","2","3","4","7","1","1") = "6"
    & skf21("6","4","2","3","4","7","2","1") = "6"
    & skf21("6","4","2","3","4","7","3","1") = "6"
    & skf21("6","4","2","3","4","7","4","1") = "6"
    & skf21("6","4","2","3","4","7","5","1") = "6"
    & skf21("6","4","2","3","4","7","6","1") = "6"
    & skf21("6","4","2","3","4","7","7","1") = "6"
    & skf21("6","4","2","3","5","1","1","1") = "5"
    & skf21("6","4","2","3","5","1","2","1") = "5"
    & skf21("6","4","2","3","5","1","3","1") = "5"
    & skf21("6","4","2","3","5","1","4","1") = "5"
    & skf21("6","4","2","3","5","1","5","1") = "5"
    & skf21("6","4","2","3","5","1","6","1") = "5"
    & skf21("6","4","2","3","5","1","7","1") = "6"
    & skf21("6","4","2","3","5","2","1","1") = "5"
    & skf21("6","4","2","3","5","2","2","1") = "5"
    & skf21("6","4","2","3","5","2","3","1") = "5"
    & skf21("6","4","2","3","5","2","4","1") = "5"
    & skf21("6","4","2","3","5","2","5","1") = "5"
    & skf21("6","4","2","3","5","2","6","1") = "5"
    & skf21("6","4","2","3","5","2","7","1") = "6"
    & skf21("6","4","2","3","5","3","1","1") = "5"
    & skf21("6","4","2","3","5","3","2","1") = "5"
    & skf21("6","4","2","3","5","3","3","1") = "5"
    & skf21("6","4","2","3","5","3","4","1") = "5"
    & skf21("6","4","2","3","5","3","5","1") = "5"
    & skf21("6","4","2","3","5","3","6","1") = "5"
    & skf21("6","4","2","3","5","3","7","1") = "6"
    & skf21("6","4","2","3","5","4","1","1") = "5"
    & skf21("6","4","2","3","5","4","2","1") = "5"
    & skf21("6","4","2","3","5","4","3","1") = "5"
    & skf21("6","4","2","3","5","4","4","1") = "5"
    & skf21("6","4","2","3","5","4","5","1") = "5"
    & skf21("6","4","2","3","5","4","6","1") = "5"
    & skf21("6","4","2","3","5","4","7","1") = "6"
    & skf21("6","4","2","3","5","5","1","1") = "5"
    & skf21("6","4","2","3","5","5","2","1") = "5"
    & skf21("6","4","2","3","5","5","3","1") = "5"
    & skf21("6","4","2","3","5","5","4","1") = "5"
    & skf21("6","4","2","3","5","5","5","1") = "5"
    & skf21("6","4","2","3","5","5","6","1") = "5"
    & skf21("6","4","2","3","5","5","7","1") = "6"
    & skf21("6","4","2","3","5","6","1","1") = "5"
    & skf21("6","4","2","3","5","6","2","1") = "5"
    & skf21("6","4","2","3","5","6","3","1") = "5"
    & skf21("6","4","2","3","5","6","4","1") = "5"
    & skf21("6","4","2","3","5","6","5","1") = "5"
    & skf21("6","4","2","3","5","6","6","1") = "5"
    & skf21("6","4","2","3","5","6","7","1") = "6"
    & skf21("6","4","2","3","5","7","1","1") = "6"
    & skf21("6","4","2","3","5","7","2","1") = "6"
    & skf21("6","4","2","3","5","7","3","1") = "6"
    & skf21("6","4","2","3","5","7","4","1") = "6"
    & skf21("6","4","2","3","5","7","5","1") = "6"
    & skf21("6","4","2","3","5","7","6","1") = "6"
    & skf21("6","4","2","3","5","7","7","1") = "6"
    & skf21("6","4","2","3","6","1","1","1") = "5"
    & skf21("6","4","2","3","6","1","2","1") = "5"
    & skf21("6","4","2","3","6","1","3","1") = "5"
    & skf21("6","4","2","3","6","1","4","1") = "5"
    & skf21("6","4","2","3","6","1","5","1") = "5"
    & skf21("6","4","2","3","6","1","6","1") = "5"
    & skf21("6","4","2","3","6","1","7","1") = "6"
    & skf21("6","4","2","3","6","2","1","1") = "5"
    & skf21("6","4","2","3","6","2","2","1") = "5"
    & skf21("6","4","2","3","6","2","3","1") = "5"
    & skf21("6","4","2","3","6","2","4","1") = "5"
    & skf21("6","4","2","3","6","2","5","1") = "5"
    & skf21("6","4","2","3","6","2","6","1") = "5"
    & skf21("6","4","2","3","6","2","7","1") = "6"
    & skf21("6","4","2","3","6","3","1","1") = "5"
    & skf21("6","4","2","3","6","3","2","1") = "5"
    & skf21("6","4","2","3","6","3","3","1") = "5"
    & skf21("6","4","2","3","6","3","4","1") = "5"
    & skf21("6","4","2","3","6","3","5","1") = "5"
    & skf21("6","4","2","3","6","3","6","1") = "5"
    & skf21("6","4","2","3","6","3","7","1") = "6"
    & skf21("6","4","2","3","6","4","1","1") = "5"
    & skf21("6","4","2","3","6","4","2","1") = "5"
    & skf21("6","4","2","3","6","4","3","1") = "5"
    & skf21("6","4","2","3","6","4","4","1") = "5"
    & skf21("6","4","2","3","6","4","5","1") = "5"
    & skf21("6","4","2","3","6","4","6","1") = "5"
    & skf21("6","4","2","3","6","4","7","1") = "6"
    & skf21("6","4","2","3","6","5","1","1") = "5"
    & skf21("6","4","2","3","6","5","2","1") = "5"
    & skf21("6","4","2","3","6","5","3","1") = "5"
    & skf21("6","4","2","3","6","5","4","1") = "5"
    & skf21("6","4","2","3","6","5","5","1") = "5"
    & skf21("6","4","2","3","6","5","6","1") = "5"
    & skf21("6","4","2","3","6","5","7","1") = "6"
    & skf21("6","4","2","3","6","6","1","1") = "5"
    & skf21("6","4","2","3","6","6","2","1") = "5"
    & skf21("6","4","2","3","6","6","3","1") = "5"
    & skf21("6","4","2","3","6","6","4","1") = "5"
    & skf21("6","4","2","3","6","6","5","1") = "5"
    & skf21("6","4","2","3","6","6","6","1") = "5"
    & skf21("6","4","2","3","6","6","7","1") = "6"
    & skf21("6","4","2","3","6","7","1","1") = "6"
    & skf21("6","4","2","3","6","7","2","1") = "6"
    & skf21("6","4","2","3","6","7","3","1") = "6"
    & skf21("6","4","2","3","6","7","4","1") = "6"
    & skf21("6","4","2","3","6","7","5","1") = "6"
    & skf21("6","4","2","3","6","7","6","1") = "6"
    & skf21("6","4","2","3","6","7","7","1") = "6"
    & skf21("6","4","2","3","7","1","1","1") = "6"
    & skf21("6","4","2","3","7","1","2","1") = "6"
    & skf21("6","4","2","3","7","1","3","1") = "6"
    & skf21("6","4","2","3","7","1","4","1") = "6"
    & skf21("6","4","2","3","7","1","5","1") = "6"
    & skf21("6","4","2","3","7","1","6","1") = "6"
    & skf21("6","4","2","3","7","1","7","1") = "6"
    & skf21("6","4","2","3","7","2","1","1") = "6"
    & skf21("6","4","2","3","7","2","2","1") = "6"
    & skf21("6","4","2","3","7","2","3","1") = "6"
    & skf21("6","4","2","3","7","2","4","1") = "6"
    & skf21("6","4","2","3","7","2","5","1") = "6"
    & skf21("6","4","2","3","7","2","6","1") = "6"
    & skf21("6","4","2","3","7","2","7","1") = "6"
    & skf21("6","4","2","3","7","3","1","1") = "6"
    & skf21("6","4","2","3","7","3","2","1") = "6"
    & skf21("6","4","2","3","7","3","3","1") = "6"
    & skf21("6","4","2","3","7","3","4","1") = "6"
    & skf21("6","4","2","3","7","3","5","1") = "6"
    & skf21("6","4","2","3","7","3","6","1") = "6"
    & skf21("6","4","2","3","7","3","7","1") = "6"
    & skf21("6","4","2","3","7","4","1","1") = "6"
    & skf21("6","4","2","3","7","4","2","1") = "6"
    & skf21("6","4","2","3","7","4","3","1") = "6"
    & skf21("6","4","2","3","7","4","4","1") = "6"
    & skf21("6","4","2","3","7","4","5","1") = "6"
    & skf21("6","4","2","3","7","4","6","1") = "6"
    & skf21("6","4","2","3","7","4","7","1") = "6"
    & skf21("6","4","2","3","7","5","1","1") = "6"
    & skf21("6","4","2","3","7","5","2","1") = "6"
    & skf21("6","4","2","3","7","5","3","1") = "6"
    & skf21("6","4","2","3","7","5","4","1") = "6"
    & skf21("6","4","2","3","7","5","5","1") = "6"
    & skf21("6","4","2","3","7","5","6","1") = "6"
    & skf21("6","4","2","3","7","5","7","1") = "6"
    & skf21("6","4","2","3","7","6","1","1") = "6"
    & skf21("6","4","2","3","7","6","2","1") = "6"
    & skf21("6","4","2","3","7","6","3","1") = "6"
    & skf21("6","4","2","3","7","6","4","1") = "6"
    & skf21("6","4","2","3","7","6","5","1") = "6"
    & skf21("6","4","2","3","7","6","6","1") = "6"
    & skf21("6","4","2","3","7","6","7","1") = "6"
    & skf21("6","4","2","3","7","7","1","1") = "6"
    & skf21("6","4","2","3","7","7","2","1") = "6"
    & skf21("6","4","2","3","7","7","3","1") = "6"
    & skf21("6","4","2","3","7","7","4","1") = "6"
    & skf21("6","4","2","3","7","7","5","1") = "6"
    & skf21("6","4","2","3","7","7","6","1") = "6"
    & skf21("6","4","2","3","7","7","7","1") = "6"
    & skf21("6","4","2","4","1","1","1","1") = "5"
    & skf21("6","4","2","4","1","1","2","1") = "5"
    & skf21("6","4","2","4","1","1","3","1") = "5"
    & skf21("6","4","2","4","1","1","4","1") = "5"
    & skf21("6","4","2","4","1","1","5","1") = "5"
    & skf21("6","4","2","4","1","1","6","1") = "5"
    & skf21("6","4","2","4","1","1","7","1") = "6"
    & skf21("6","4","2","4","1","2","1","1") = "5"
    & skf21("6","4","2","4","1","2","2","1") = "5"
    & skf21("6","4","2","4","1","2","3","1") = "5"
    & skf21("6","4","2","4","1","2","4","1") = "5"
    & skf21("6","4","2","4","1","2","5","1") = "5"
    & skf21("6","4","2","4","1","2","6","1") = "5"
    & skf21("6","4","2","4","1","2","7","1") = "6"
    & skf21("6","4","2","4","1","3","1","1") = "5"
    & skf21("6","4","2","4","1","3","2","1") = "5"
    & skf21("6","4","2","4","1","3","3","1") = "5"
    & skf21("6","4","2","4","1","3","4","1") = "5"
    & skf21("6","4","2","4","1","3","5","1") = "5"
    & skf21("6","4","2","4","1","3","6","1") = "5"
    & skf21("6","4","2","4","1","3","7","1") = "6"
    & skf21("6","4","2","4","1","4","1","1") = "5"
    & skf21("6","4","2","4","1","4","2","1") = "5"
    & skf21("6","4","2","4","1","4","3","1") = "5"
    & skf21("6","4","2","4","1","4","4","1") = "5"
    & skf21("6","4","2","4","1","4","5","1") = "5"
    & skf21("6","4","2","4","1","4","6","1") = "5"
    & skf21("6","4","2","4","1","4","7","1") = "6"
    & skf21("6","4","2","4","1","5","1","1") = "5"
    & skf21("6","4","2","4","1","5","2","1") = "5"
    & skf21("6","4","2","4","1","5","3","1") = "5"
    & skf21("6","4","2","4","1","5","4","1") = "5"
    & skf21("6","4","2","4","1","5","5","1") = "5"
    & skf21("6","4","2","4","1","5","6","1") = "5"
    & skf21("6","4","2","4","1","5","7","1") = "6"
    & skf21("6","4","2","4","1","6","1","1") = "5"
    & skf21("6","4","2","4","1","6","2","1") = "5"
    & skf21("6","4","2","4","1","6","3","1") = "5"
    & skf21("6","4","2","4","1","6","4","1") = "5"
    & skf21("6","4","2","4","1","6","5","1") = "5"
    & skf21("6","4","2","4","1","6","6","1") = "5"
    & skf21("6","4","2","4","1","6","7","1") = "6"
    & skf21("6","4","2","4","1","7","1","1") = "6"
    & skf21("6","4","2","4","1","7","2","1") = "6"
    & skf21("6","4","2","4","1","7","3","1") = "6"
    & skf21("6","4","2","4","1","7","4","1") = "6"
    & skf21("6","4","2","4","1","7","5","1") = "6"
    & skf21("6","4","2","4","1","7","6","1") = "6"
    & skf21("6","4","2","4","1","7","7","1") = "6"
    & skf21("6","4","2","4","2","1","1","1") = "5"
    & skf21("6","4","2","4","2","1","2","1") = "5"
    & skf21("6","4","2","4","2","1","3","1") = "5"
    & skf21("6","4","2","4","2","1","4","1") = "5"
    & skf21("6","4","2","4","2","1","5","1") = "5"
    & skf21("6","4","2","4","2","1","6","1") = "5"
    & skf21("6","4","2","4","2","1","7","1") = "6"
    & skf21("6","4","2","4","2","2","1","1") = "5"
    & skf21("6","4","2","4","2","2","2","1") = "5"
    & skf21("6","4","2","4","2","2","3","1") = "5"
    & skf21("6","4","2","4","2","2","4","1") = "5"
    & skf21("6","4","2","4","2","2","5","1") = "5"
    & skf21("6","4","2","4","2","2","6","1") = "5"
    & skf21("6","4","2","4","2","2","7","1") = "6"
    & skf21("6","4","2","4","2","3","1","1") = "5"
    & skf21("6","4","2","4","2","3","2","1") = "5"
    & skf21("6","4","2","4","2","3","3","1") = "5"
    & skf21("6","4","2","4","2","3","4","1") = "5"
    & skf21("6","4","2","4","2","3","5","1") = "5"
    & skf21("6","4","2","4","2","3","6","1") = "5"
    & skf21("6","4","2","4","2","3","7","1") = "6"
    & skf21("6","4","2","4","2","4","1","1") = "5"
    & skf21("6","4","2","4","2","4","2","1") = "5"
    & skf21("6","4","2","4","2","4","3","1") = "5"
    & skf21("6","4","2","4","2","4","4","1") = "5"
    & skf21("6","4","2","4","2","4","5","1") = "5"
    & skf21("6","4","2","4","2","4","6","1") = "5"
    & skf21("6","4","2","4","2","4","7","1") = "6"
    & skf21("6","4","2","4","2","5","1","1") = "5"
    & skf21("6","4","2","4","2","5","2","1") = "5"
    & skf21("6","4","2","4","2","5","3","1") = "5"
    & skf21("6","4","2","4","2","5","4","1") = "5"
    & skf21("6","4","2","4","2","5","5","1") = "5"
    & skf21("6","4","2","4","2","5","6","1") = "5"
    & skf21("6","4","2","4","2","5","7","1") = "6"
    & skf21("6","4","2","4","2","6","1","1") = "5"
    & skf21("6","4","2","4","2","6","2","1") = "5"
    & skf21("6","4","2","4","2","6","3","1") = "5"
    & skf21("6","4","2","4","2","6","4","1") = "5"
    & skf21("6","4","2","4","2","6","5","1") = "5"
    & skf21("6","4","2","4","2","6","6","1") = "5"
    & skf21("6","4","2","4","2","6","7","1") = "6"
    & skf21("6","4","2","4","2","7","1","1") = "6"
    & skf21("6","4","2","4","2","7","2","1") = "6"
    & skf21("6","4","2","4","2","7","3","1") = "6"
    & skf21("6","4","2","4","2","7","4","1") = "6"
    & skf21("6","4","2","4","2","7","5","1") = "6"
    & skf21("6","4","2","4","2","7","6","1") = "6"
    & skf21("6","4","2","4","2","7","7","1") = "6"
    & skf21("6","4","2","4","3","1","1","1") = "5"
    & skf21("6","4","2","4","3","1","2","1") = "5"
    & skf21("6","4","2","4","3","1","3","1") = "5"
    & skf21("6","4","2","4","3","1","4","1") = "5"
    & skf21("6","4","2","4","3","1","5","1") = "5"
    & skf21("6","4","2","4","3","1","6","1") = "5"
    & skf21("6","4","2","4","3","1","7","1") = "6"
    & skf21("6","4","2","4","3","2","1","1") = "5"
    & skf21("6","4","2","4","3","2","2","1") = "5"
    & skf21("6","4","2","4","3","2","3","1") = "5"
    & skf21("6","4","2","4","3","2","4","1") = "5"
    & skf21("6","4","2","4","3","2","5","1") = "5"
    & skf21("6","4","2","4","3","2","6","1") = "5"
    & skf21("6","4","2","4","3","2","7","1") = "6"
    & skf21("6","4","2","4","3","3","1","1") = "5"
    & skf21("6","4","2","4","3","3","2","1") = "5"
    & skf21("6","4","2","4","3","3","3","1") = "5"
    & skf21("6","4","2","4","3","3","4","1") = "5"
    & skf21("6","4","2","4","3","3","5","1") = "5"
    & skf21("6","4","2","4","3","3","6","1") = "5"
    & skf21("6","4","2","4","3","3","7","1") = "6"
    & skf21("6","4","2","4","3","4","1","1") = "5"
    & skf21("6","4","2","4","3","4","2","1") = "5"
    & skf21("6","4","2","4","3","4","3","1") = "5"
    & skf21("6","4","2","4","3","4","4","1") = "5"
    & skf21("6","4","2","4","3","4","5","1") = "5"
    & skf21("6","4","2","4","3","4","6","1") = "5"
    & skf21("6","4","2","4","3","4","7","1") = "6"
    & skf21("6","4","2","4","3","5","1","1") = "5"
    & skf21("6","4","2","4","3","5","2","1") = "5"
    & skf21("6","4","2","4","3","5","3","1") = "5"
    & skf21("6","4","2","4","3","5","4","1") = "5"
    & skf21("6","4","2","4","3","5","5","1") = "5"
    & skf21("6","4","2","4","3","5","6","1") = "5"
    & skf21("6","4","2","4","3","5","7","1") = "6"
    & skf21("6","4","2","4","3","6","1","1") = "5"
    & skf21("6","4","2","4","3","6","2","1") = "5"
    & skf21("6","4","2","4","3","6","3","1") = "5"
    & skf21("6","4","2","4","3","6","4","1") = "5"
    & skf21("6","4","2","4","3","6","5","1") = "5"
    & skf21("6","4","2","4","3","6","6","1") = "5"
    & skf21("6","4","2","4","3","6","7","1") = "6"
    & skf21("6","4","2","4","3","7","1","1") = "6"
    & skf21("6","4","2","4","3","7","2","1") = "6"
    & skf21("6","4","2","4","3","7","3","1") = "6"
    & skf21("6","4","2","4","3","7","4","1") = "6"
    & skf21("6","4","2","4","3","7","5","1") = "6"
    & skf21("6","4","2","4","3","7","6","1") = "6"
    & skf21("6","4","2","4","3","7","7","1") = "6"
    & skf21("6","4","2","4","4","1","1","1") = "5"
    & skf21("6","4","2","4","4","1","2","1") = "5"
    & skf21("6","4","2","4","4","1","3","1") = "5"
    & skf21("6","4","2","4","4","1","4","1") = "5"
    & skf21("6","4","2","4","4","1","5","1") = "5"
    & skf21("6","4","2","4","4","1","6","1") = "5"
    & skf21("6","4","2","4","4","1","7","1") = "6"
    & skf21("6","4","2","4","4","2","1","1") = "5"
    & skf21("6","4","2","4","4","2","2","1") = "5"
    & skf21("6","4","2","4","4","2","3","1") = "5"
    & skf21("6","4","2","4","4","2","4","1") = "5"
    & skf21("6","4","2","4","4","2","5","1") = "5"
    & skf21("6","4","2","4","4","2","6","1") = "5"
    & skf21("6","4","2","4","4","2","7","1") = "6"
    & skf21("6","4","2","4","4","3","1","1") = "5"
    & skf21("6","4","2","4","4","3","2","1") = "5"
    & skf21("6","4","2","4","4","3","3","1") = "5"
    & skf21("6","4","2","4","4","3","4","1") = "5"
    & skf21("6","4","2","4","4","3","5","1") = "5"
    & skf21("6","4","2","4","4","3","6","1") = "5"
    & skf21("6","4","2","4","4","3","7","1") = "6"
    & skf21("6","4","2","4","4","4","1","1") = "5"
    & skf21("6","4","2","4","4","4","2","1") = "5"
    & skf21("6","4","2","4","4","4","3","1") = "5"
    & skf21("6","4","2","4","4","4","4","1") = "5"
    & skf21("6","4","2","4","4","4","5","1") = "5"
    & skf21("6","4","2","4","4","4","6","1") = "5"
    & skf21("6","4","2","4","4","4","7","1") = "6"
    & skf21("6","4","2","4","4","5","1","1") = "5"
    & skf21("6","4","2","4","4","5","2","1") = "5"
    & skf21("6","4","2","4","4","5","3","1") = "5"
    & skf21("6","4","2","4","4","5","4","1") = "5"
    & skf21("6","4","2","4","4","5","5","1") = "5"
    & skf21("6","4","2","4","4","5","6","1") = "5"
    & skf21("6","4","2","4","4","5","7","1") = "6"
    & skf21("6","4","2","4","4","6","1","1") = "5"
    & skf21("6","4","2","4","4","6","2","1") = "5"
    & skf21("6","4","2","4","4","6","3","1") = "5"
    & skf21("6","4","2","4","4","6","4","1") = "5"
    & skf21("6","4","2","4","4","6","5","1") = "5"
    & skf21("6","4","2","4","4","6","6","1") = "5"
    & skf21("6","4","2","4","4","6","7","1") = "6"
    & skf21("6","4","2","4","4","7","1","1") = "6"
    & skf21("6","4","2","4","4","7","2","1") = "6"
    & skf21("6","4","2","4","4","7","3","1") = "6"
    & skf21("6","4","2","4","4","7","4","1") = "6"
    & skf21("6","4","2","4","4","7","5","1") = "6"
    & skf21("6","4","2","4","4","7","6","1") = "6"
    & skf21("6","4","2","4","4","7","7","1") = "6"
    & skf21("6","4","2","4","5","1","1","1") = "5"
    & skf21("6","4","2","4","5","1","2","1") = "5"
    & skf21("6","4","2","4","5","1","3","1") = "5"
    & skf21("6","4","2","4","5","1","4","1") = "5"
    & skf21("6","4","2","4","5","1","5","1") = "5"
    & skf21("6","4","2","4","5","1","6","1") = "5"
    & skf21("6","4","2","4","5","1","7","1") = "6"
    & skf21("6","4","2","4","5","2","1","1") = "5"
    & skf21("6","4","2","4","5","2","2","1") = "5"
    & skf21("6","4","2","4","5","2","3","1") = "5"
    & skf21("6","4","2","4","5","2","4","1") = "5"
    & skf21("6","4","2","4","5","2","5","1") = "5"
    & skf21("6","4","2","4","5","2","6","1") = "5"
    & skf21("6","4","2","4","5","2","7","1") = "6"
    & skf21("6","4","2","4","5","3","1","1") = "5"
    & skf21("6","4","2","4","5","3","2","1") = "5"
    & skf21("6","4","2","4","5","3","3","1") = "5"
    & skf21("6","4","2","4","5","3","4","1") = "5"
    & skf21("6","4","2","4","5","3","5","1") = "5"
    & skf21("6","4","2","4","5","3","6","1") = "5"
    & skf21("6","4","2","4","5","3","7","1") = "6"
    & skf21("6","4","2","4","5","4","1","1") = "5"
    & skf21("6","4","2","4","5","4","2","1") = "5"
    & skf21("6","4","2","4","5","4","3","1") = "5"
    & skf21("6","4","2","4","5","4","4","1") = "5"
    & skf21("6","4","2","4","5","4","5","1") = "5"
    & skf21("6","4","2","4","5","4","6","1") = "5"
    & skf21("6","4","2","4","5","4","7","1") = "6"
    & skf21("6","4","2","4","5","5","1","1") = "5"
    & skf21("6","4","2","4","5","5","2","1") = "5"
    & skf21("6","4","2","4","5","5","3","1") = "5"
    & skf21("6","4","2","4","5","5","4","1") = "5"
    & skf21("6","4","2","4","5","5","5","1") = "5"
    & skf21("6","4","2","4","5","5","6","1") = "5"
    & skf21("6","4","2","4","5","5","7","1") = "6"
    & skf21("6","4","2","4","5","6","1","1") = "5"
    & skf21("6","4","2","4","5","6","2","1") = "5"
    & skf21("6","4","2","4","5","6","3","1") = "5"
    & skf21("6","4","2","4","5","6","4","1") = "5"
    & skf21("6","4","2","4","5","6","5","1") = "5"
    & skf21("6","4","2","4","5","6","6","1") = "5"
    & skf21("6","4","2","4","5","6","7","1") = "6"
    & skf21("6","4","2","4","5","7","1","1") = "6"
    & skf21("6","4","2","4","5","7","2","1") = "6"
    & skf21("6","4","2","4","5","7","3","1") = "6"
    & skf21("6","4","2","4","5","7","4","1") = "6"
    & skf21("6","4","2","4","5","7","5","1") = "6"
    & skf21("6","4","2","4","5","7","6","1") = "6"
    & skf21("6","4","2","4","5","7","7","1") = "6"
    & skf21("6","4","2","4","6","1","1","1") = "5"
    & skf21("6","4","2","4","6","1","2","1") = "5"
    & skf21("6","4","2","4","6","1","3","1") = "5"
    & skf21("6","4","2","4","6","1","4","1") = "5"
    & skf21("6","4","2","4","6","1","5","1") = "5"
    & skf21("6","4","2","4","6","1","6","1") = "5"
    & skf21("6","4","2","4","6","1","7","1") = "6"
    & skf21("6","4","2","4","6","2","1","1") = "5"
    & skf21("6","4","2","4","6","2","2","1") = "5"
    & skf21("6","4","2","4","6","2","3","1") = "5"
    & skf21("6","4","2","4","6","2","4","1") = "5"
    & skf21("6","4","2","4","6","2","5","1") = "5"
    & skf21("6","4","2","4","6","2","6","1") = "5"
    & skf21("6","4","2","4","6","2","7","1") = "6"
    & skf21("6","4","2","4","6","3","1","1") = "5"
    & skf21("6","4","2","4","6","3","2","1") = "5"
    & skf21("6","4","2","4","6","3","3","1") = "5"
    & skf21("6","4","2","4","6","3","4","1") = "5"
    & skf21("6","4","2","4","6","3","5","1") = "5"
    & skf21("6","4","2","4","6","3","6","1") = "5"
    & skf21("6","4","2","4","6","3","7","1") = "6"
    & skf21("6","4","2","4","6","4","1","1") = "5"
    & skf21("6","4","2","4","6","4","2","1") = "5"
    & skf21("6","4","2","4","6","4","3","1") = "5"
    & skf21("6","4","2","4","6","4","4","1") = "5"
    & skf21("6","4","2","4","6","4","5","1") = "5"
    & skf21("6","4","2","4","6","4","6","1") = "5"
    & skf21("6","4","2","4","6","4","7","1") = "6"
    & skf21("6","4","2","4","6","5","1","1") = "5"
    & skf21("6","4","2","4","6","5","2","1") = "5"
    & skf21("6","4","2","4","6","5","3","1") = "5"
    & skf21("6","4","2","4","6","5","4","1") = "5"
    & skf21("6","4","2","4","6","5","5","1") = "5"
    & skf21("6","4","2","4","6","5","6","1") = "5"
    & skf21("6","4","2","4","6","5","7","1") = "6"
    & skf21("6","4","2","4","6","6","1","1") = "5"
    & skf21("6","4","2","4","6","6","2","1") = "5"
    & skf21("6","4","2","4","6","6","3","1") = "5"
    & skf21("6","4","2","4","6","6","4","1") = "5"
    & skf21("6","4","2","4","6","6","5","1") = "5"
    & skf21("6","4","2","4","6","6","6","1") = "5"
    & skf21("6","4","2","4","6","6","7","1") = "6"
    & skf21("6","4","2","4","6","7","1","1") = "6"
    & skf21("6","4","2","4","6","7","2","1") = "6"
    & skf21("6","4","2","4","6","7","3","1") = "6"
    & skf21("6","4","2","4","6","7","4","1") = "6"
    & skf21("6","4","2","4","6","7","5","1") = "6"
    & skf21("6","4","2","4","6","7","6","1") = "6"
    & skf21("6","4","2","4","6","7","7","1") = "6"
    & skf21("6","4","2","4","7","1","1","1") = "6"
    & skf21("6","4","2","4","7","1","2","1") = "6"
    & skf21("6","4","2","4","7","1","3","1") = "6"
    & skf21("6","4","2","4","7","1","4","1") = "6"
    & skf21("6","4","2","4","7","1","5","1") = "6"
    & skf21("6","4","2","4","7","1","6","1") = "6"
    & skf21("6","4","2","4","7","1","7","1") = "6"
    & skf21("6","4","2","4","7","2","1","1") = "6"
    & skf21("6","4","2","4","7","2","2","1") = "6"
    & skf21("6","4","2","4","7","2","3","1") = "6"
    & skf21("6","4","2","4","7","2","4","1") = "6"
    & skf21("6","4","2","4","7","2","5","1") = "6"
    & skf21("6","4","2","4","7","2","6","1") = "6"
    & skf21("6","4","2","4","7","2","7","1") = "6"
    & skf21("6","4","2","4","7","3","1","1") = "6"
    & skf21("6","4","2","4","7","3","2","1") = "6"
    & skf21("6","4","2","4","7","3","3","1") = "6"
    & skf21("6","4","2","4","7","3","4","1") = "6"
    & skf21("6","4","2","4","7","3","5","1") = "6"
    & skf21("6","4","2","4","7","3","6","1") = "6"
    & skf21("6","4","2","4","7","3","7","1") = "6"
    & skf21("6","4","2","4","7","4","1","1") = "6"
    & skf21("6","4","2","4","7","4","2","1") = "6"
    & skf21("6","4","2","4","7","4","3","1") = "6"
    & skf21("6","4","2","4","7","4","4","1") = "6"
    & skf21("6","4","2","4","7","4","5","1") = "6"
    & skf21("6","4","2","4","7","4","6","1") = "6"
    & skf21("6","4","2","4","7","4","7","1") = "6"
    & skf21("6","4","2","4","7","5","1","1") = "6"
    & skf21("6","4","2","4","7","5","2","1") = "6"
    & skf21("6","4","2","4","7","5","3","1") = "6"
    & skf21("6","4","2","4","7","5","4","1") = "6"
    & skf21("6","4","2","4","7","5","5","1") = "6"
    & skf21("6","4","2","4","7","5","6","1") = "6"
    & skf21("6","4","2","4","7","5","7","1") = "6"
    & skf21("6","4","2","4","7","6","1","1") = "6"
    & skf21("6","4","2","4","7","6","2","1") = "6"
    & skf21("6","4","2","4","7","6","3","1") = "6"
    & skf21("6","4","2","4","7","6","4","1") = "6"
    & skf21("6","4","2","4","7","6","5","1") = "6"
    & skf21("6","4","2","4","7","6","6","1") = "6"
    & skf21("6","4","2","4","7","6","7","1") = "6"
    & skf21("6","4","2","4","7","7","1","1") = "6"
    & skf21("6","4","2","4","7","7","2","1") = "6"
    & skf21("6","4","2","4","7","7","3","1") = "6"
    & skf21("6","4","2","4","7","7","4","1") = "6"
    & skf21("6","4","2","4","7","7","5","1") = "6"
    & skf21("6","4","2","4","7","7","6","1") = "6"
    & skf21("6","4","2","4","7","7","7","1") = "6"
    & skf21("6","4","2","5","1","1","1","1") = "5"
    & skf21("6","4","2","5","1","1","2","1") = "5"
    & skf21("6","4","2","5","1","1","3","1") = "5"
    & skf21("6","4","2","5","1","1","4","1") = "5"
    & skf21("6","4","2","5","1","1","5","1") = "5"
    & skf21("6","4","2","5","1","1","6","1") = "5"
    & skf21("6","4","2","5","1","1","7","1") = "6"
    & skf21("6","4","2","5","1","2","1","1") = "5"
    & skf21("6","4","2","5","1","2","2","1") = "5"
    & skf21("6","4","2","5","1","2","3","1") = "5"
    & skf21("6","4","2","5","1","2","4","1") = "5"
    & skf21("6","4","2","5","1","2","5","1") = "5"
    & skf21("6","4","2","5","1","2","6","1") = "5"
    & skf21("6","4","2","5","1","2","7","1") = "6"
    & skf21("6","4","2","5","1","3","1","1") = "5"
    & skf21("6","4","2","5","1","3","2","1") = "5"
    & skf21("6","4","2","5","1","3","3","1") = "5"
    & skf21("6","4","2","5","1","3","4","1") = "5"
    & skf21("6","4","2","5","1","3","5","1") = "5"
    & skf21("6","4","2","5","1","3","6","1") = "5"
    & skf21("6","4","2","5","1","3","7","1") = "6"
    & skf21("6","4","2","5","1","4","1","1") = "5"
    & skf21("6","4","2","5","1","4","2","1") = "5"
    & skf21("6","4","2","5","1","4","3","1") = "5"
    & skf21("6","4","2","5","1","4","4","1") = "5"
    & skf21("6","4","2","5","1","4","5","1") = "5"
    & skf21("6","4","2","5","1","4","6","1") = "5"
    & skf21("6","4","2","5","1","4","7","1") = "6"
    & skf21("6","4","2","5","1","5","1","1") = "5"
    & skf21("6","4","2","5","1","5","2","1") = "5"
    & skf21("6","4","2","5","1","5","3","1") = "5"
    & skf21("6","4","2","5","1","5","4","1") = "5"
    & skf21("6","4","2","5","1","5","5","1") = "5"
    & skf21("6","4","2","5","1","5","6","1") = "5"
    & skf21("6","4","2","5","1","5","7","1") = "6"
    & skf21("6","4","2","5","1","6","1","1") = "5"
    & skf21("6","4","2","5","1","6","2","1") = "5"
    & skf21("6","4","2","5","1","6","3","1") = "5"
    & skf21("6","4","2","5","1","6","4","1") = "5"
    & skf21("6","4","2","5","1","6","5","1") = "5"
    & skf21("6","4","2","5","1","6","6","1") = "5"
    & skf21("6","4","2","5","1","6","7","1") = "6"
    & skf21("6","4","2","5","1","7","1","1") = "6"
    & skf21("6","4","2","5","1","7","2","1") = "6"
    & skf21("6","4","2","5","1","7","3","1") = "6"
    & skf21("6","4","2","5","1","7","4","1") = "6"
    & skf21("6","4","2","5","1","7","5","1") = "6"
    & skf21("6","4","2","5","1","7","6","1") = "6"
    & skf21("6","4","2","5","1","7","7","1") = "6"
    & skf21("6","4","2","5","2","1","1","1") = "5"
    & skf21("6","4","2","5","2","1","2","1") = "5"
    & skf21("6","4","2","5","2","1","3","1") = "5"
    & skf21("6","4","2","5","2","1","4","1") = "5"
    & skf21("6","4","2","5","2","1","5","1") = "5"
    & skf21("6","4","2","5","2","1","6","1") = "5"
    & skf21("6","4","2","5","2","1","7","1") = "6"
    & skf21("6","4","2","5","2","2","1","1") = "5"
    & skf21("6","4","2","5","2","2","2","1") = "5"
    & skf21("6","4","2","5","2","2","3","1") = "5"
    & skf21("6","4","2","5","2","2","4","1") = "5"
    & skf21("6","4","2","5","2","2","5","1") = "5"
    & skf21("6","4","2","5","2","2","6","1") = "5"
    & skf21("6","4","2","5","2","2","7","1") = "6"
    & skf21("6","4","2","5","2","3","1","1") = "5"
    & skf21("6","4","2","5","2","3","2","1") = "5"
    & skf21("6","4","2","5","2","3","3","1") = "5"
    & skf21("6","4","2","5","2","3","4","1") = "5"
    & skf21("6","4","2","5","2","3","5","1") = "5"
    & skf21("6","4","2","5","2","3","6","1") = "5"
    & skf21("6","4","2","5","2","3","7","1") = "6"
    & skf21("6","4","2","5","2","4","1","1") = "5"
    & skf21("6","4","2","5","2","4","2","1") = "5"
    & skf21("6","4","2","5","2","4","3","1") = "5"
    & skf21("6","4","2","5","2","4","4","1") = "5"
    & skf21("6","4","2","5","2","4","5","1") = "5"
    & skf21("6","4","2","5","2","4","6","1") = "5"
    & skf21("6","4","2","5","2","4","7","1") = "6"
    & skf21("6","4","2","5","2","5","1","1") = "5"
    & skf21("6","4","2","5","2","5","2","1") = "5"
    & skf21("6","4","2","5","2","5","3","1") = "5"
    & skf21("6","4","2","5","2","5","4","1") = "5"
    & skf21("6","4","2","5","2","5","5","1") = "5"
    & skf21("6","4","2","5","2","5","6","1") = "5"
    & skf21("6","4","2","5","2","5","7","1") = "6"
    & skf21("6","4","2","5","2","6","1","1") = "5"
    & skf21("6","4","2","5","2","6","2","1") = "5"
    & skf21("6","4","2","5","2","6","3","1") = "5"
    & skf21("6","4","2","5","2","6","4","1") = "5"
    & skf21("6","4","2","5","2","6","5","1") = "5"
    & skf21("6","4","2","5","2","6","6","1") = "5"
    & skf21("6","4","2","5","2","6","7","1") = "6"
    & skf21("6","4","2","5","2","7","1","1") = "6"
    & skf21("6","4","2","5","2","7","2","1") = "6"
    & skf21("6","4","2","5","2","7","3","1") = "6"
    & skf21("6","4","2","5","2","7","4","1") = "6"
    & skf21("6","4","2","5","2","7","5","1") = "6"
    & skf21("6","4","2","5","2","7","6","1") = "6"
    & skf21("6","4","2","5","2","7","7","1") = "6"
    & skf21("6","4","2","5","3","1","1","1") = "5"
    & skf21("6","4","2","5","3","1","2","1") = "5"
    & skf21("6","4","2","5","3","1","3","1") = "5"
    & skf21("6","4","2","5","3","1","4","1") = "5"
    & skf21("6","4","2","5","3","1","5","1") = "5"
    & skf21("6","4","2","5","3","1","6","1") = "5"
    & skf21("6","4","2","5","3","1","7","1") = "6"
    & skf21("6","4","2","5","3","2","1","1") = "5"
    & skf21("6","4","2","5","3","2","2","1") = "5"
    & skf21("6","4","2","5","3","2","3","1") = "5"
    & skf21("6","4","2","5","3","2","4","1") = "5"
    & skf21("6","4","2","5","3","2","5","1") = "5"
    & skf21("6","4","2","5","3","2","6","1") = "5"
    & skf21("6","4","2","5","3","2","7","1") = "6"
    & skf21("6","4","2","5","3","3","1","1") = "5"
    & skf21("6","4","2","5","3","3","2","1") = "5"
    & skf21("6","4","2","5","3","3","3","1") = "5"
    & skf21("6","4","2","5","3","3","4","1") = "5"
    & skf21("6","4","2","5","3","3","5","1") = "5"
    & skf21("6","4","2","5","3","3","6","1") = "5"
    & skf21("6","4","2","5","3","3","7","1") = "6"
    & skf21("6","4","2","5","3","4","1","1") = "5"
    & skf21("6","4","2","5","3","4","2","1") = "5"
    & skf21("6","4","2","5","3","4","3","1") = "5"
    & skf21("6","4","2","5","3","4","4","1") = "5"
    & skf21("6","4","2","5","3","4","5","1") = "5"
    & skf21("6","4","2","5","3","4","6","1") = "5"
    & skf21("6","4","2","5","3","4","7","1") = "6"
    & skf21("6","4","2","5","3","5","1","1") = "5"
    & skf21("6","4","2","5","3","5","2","1") = "5"
    & skf21("6","4","2","5","3","5","3","1") = "5"
    & skf21("6","4","2","5","3","5","4","1") = "5"
    & skf21("6","4","2","5","3","5","5","1") = "5"
    & skf21("6","4","2","5","3","5","6","1") = "5"
    & skf21("6","4","2","5","3","5","7","1") = "6"
    & skf21("6","4","2","5","3","6","1","1") = "5"
    & skf21("6","4","2","5","3","6","2","1") = "5"
    & skf21("6","4","2","5","3","6","3","1") = "5"
    & skf21("6","4","2","5","3","6","4","1") = "5"
    & skf21("6","4","2","5","3","6","5","1") = "5"
    & skf21("6","4","2","5","3","6","6","1") = "5"
    & skf21("6","4","2","5","3","6","7","1") = "6"
    & skf21("6","4","2","5","3","7","1","1") = "6"
    & skf21("6","4","2","5","3","7","2","1") = "6"
    & skf21("6","4","2","5","3","7","3","1") = "6"
    & skf21("6","4","2","5","3","7","4","1") = "6"
    & skf21("6","4","2","5","3","7","5","1") = "6"
    & skf21("6","4","2","5","3","7","6","1") = "6"
    & skf21("6","4","2","5","3","7","7","1") = "6"
    & skf21("6","4","2","5","4","1","1","1") = "5"
    & skf21("6","4","2","5","4","1","2","1") = "5"
    & skf21("6","4","2","5","4","1","3","1") = "5"
    & skf21("6","4","2","5","4","1","4","1") = "5"
    & skf21("6","4","2","5","4","1","5","1") = "5"
    & skf21("6","4","2","5","4","1","6","1") = "5"
    & skf21("6","4","2","5","4","1","7","1") = "6"
    & skf21("6","4","2","5","4","2","1","1") = "5"
    & skf21("6","4","2","5","4","2","2","1") = "5"
    & skf21("6","4","2","5","4","2","3","1") = "5"
    & skf21("6","4","2","5","4","2","4","1") = "5"
    & skf21("6","4","2","5","4","2","5","1") = "5"
    & skf21("6","4","2","5","4","2","6","1") = "5"
    & skf21("6","4","2","5","4","2","7","1") = "6"
    & skf21("6","4","2","5","4","3","1","1") = "5"
    & skf21("6","4","2","5","4","3","2","1") = "5"
    & skf21("6","4","2","5","4","3","3","1") = "5"
    & skf21("6","4","2","5","4","3","4","1") = "5"
    & skf21("6","4","2","5","4","3","5","1") = "5"
    & skf21("6","4","2","5","4","3","6","1") = "5"
    & skf21("6","4","2","5","4","3","7","1") = "6"
    & skf21("6","4","2","5","4","4","1","1") = "5"
    & skf21("6","4","2","5","4","4","2","1") = "5"
    & skf21("6","4","2","5","4","4","3","1") = "5"
    & skf21("6","4","2","5","4","4","4","1") = "5"
    & skf21("6","4","2","5","4","4","5","1") = "5"
    & skf21("6","4","2","5","4","4","6","1") = "5"
    & skf21("6","4","2","5","4","4","7","1") = "6"
    & skf21("6","4","2","5","4","5","1","1") = "5"
    & skf21("6","4","2","5","4","5","2","1") = "5"
    & skf21("6","4","2","5","4","5","3","1") = "5"
    & skf21("6","4","2","5","4","5","4","1") = "5"
    & skf21("6","4","2","5","4","5","5","1") = "5"
    & skf21("6","4","2","5","4","5","6","1") = "5"
    & skf21("6","4","2","5","4","5","7","1") = "6"
    & skf21("6","4","2","5","4","6","1","1") = "5"
    & skf21("6","4","2","5","4","6","2","1") = "5"
    & skf21("6","4","2","5","4","6","3","1") = "5"
    & skf21("6","4","2","5","4","6","4","1") = "5"
    & skf21("6","4","2","5","4","6","5","1") = "5"
    & skf21("6","4","2","5","4","6","6","1") = "5"
    & skf21("6","4","2","5","4","6","7","1") = "6"
    & skf21("6","4","2","5","4","7","1","1") = "6"
    & skf21("6","4","2","5","4","7","2","1") = "6"
    & skf21("6","4","2","5","4","7","3","1") = "6"
    & skf21("6","4","2","5","4","7","4","1") = "6"
    & skf21("6","4","2","5","4","7","5","1") = "6"
    & skf21("6","4","2","5","4","7","6","1") = "6"
    & skf21("6","4","2","5","4","7","7","1") = "6"
    & skf21("6","4","2","5","5","1","1","1") = "5"
    & skf21("6","4","2","5","5","1","2","1") = "5"
    & skf21("6","4","2","5","5","1","3","1") = "5"
    & skf21("6","4","2","5","5","1","4","1") = "5"
    & skf21("6","4","2","5","5","1","5","1") = "5"
    & skf21("6","4","2","5","5","1","6","1") = "5"
    & skf21("6","4","2","5","5","1","7","1") = "6"
    & skf21("6","4","2","5","5","2","1","1") = "5"
    & skf21("6","4","2","5","5","2","2","1") = "5"
    & skf21("6","4","2","5","5","2","3","1") = "5"
    & skf21("6","4","2","5","5","2","4","1") = "5"
    & skf21("6","4","2","5","5","2","5","1") = "5"
    & skf21("6","4","2","5","5","2","6","1") = "5"
    & skf21("6","4","2","5","5","2","7","1") = "6"
    & skf21("6","4","2","5","5","3","1","1") = "5"
    & skf21("6","4","2","5","5","3","2","1") = "5"
    & skf21("6","4","2","5","5","3","3","1") = "5"
    & skf21("6","4","2","5","5","3","4","1") = "5"
    & skf21("6","4","2","5","5","3","5","1") = "5"
    & skf21("6","4","2","5","5","3","6","1") = "5"
    & skf21("6","4","2","5","5","3","7","1") = "6"
    & skf21("6","4","2","5","5","4","1","1") = "5"
    & skf21("6","4","2","5","5","4","2","1") = "5"
    & skf21("6","4","2","5","5","4","3","1") = "5"
    & skf21("6","4","2","5","5","4","4","1") = "5"
    & skf21("6","4","2","5","5","4","5","1") = "5"
    & skf21("6","4","2","5","5","4","6","1") = "5"
    & skf21("6","4","2","5","5","4","7","1") = "6"
    & skf21("6","4","2","5","5","5","1","1") = "5"
    & skf21("6","4","2","5","5","5","2","1") = "5"
    & skf21("6","4","2","5","5","5","3","1") = "5"
    & skf21("6","4","2","5","5","5","4","1") = "5"
    & skf21("6","4","2","5","5","5","5","1") = "5"
    & skf21("6","4","2","5","5","5","6","1") = "5"
    & skf21("6","4","2","5","5","5","7","1") = "6"
    & skf21("6","4","2","5","5","6","1","1") = "5"
    & skf21("6","4","2","5","5","6","2","1") = "5"
    & skf21("6","4","2","5","5","6","3","1") = "5"
    & skf21("6","4","2","5","5","6","4","1") = "5"
    & skf21("6","4","2","5","5","6","5","1") = "5"
    & skf21("6","4","2","5","5","6","6","1") = "5"
    & skf21("6","4","2","5","5","6","7","1") = "6"
    & skf21("6","4","2","5","5","7","1","1") = "6"
    & skf21("6","4","2","5","5","7","2","1") = "6"
    & skf21("6","4","2","5","5","7","3","1") = "6"
    & skf21("6","4","2","5","5","7","4","1") = "6"
    & skf21("6","4","2","5","5","7","5","1") = "6"
    & skf21("6","4","2","5","5","7","6","1") = "6"
    & skf21("6","4","2","5","5","7","7","1") = "6"
    & skf21("6","4","2","5","6","1","1","1") = "5"
    & skf21("6","4","2","5","6","1","2","1") = "5"
    & skf21("6","4","2","5","6","1","3","1") = "5"
    & skf21("6","4","2","5","6","1","4","1") = "5"
    & skf21("6","4","2","5","6","1","5","1") = "5"
    & skf21("6","4","2","5","6","1","6","1") = "5"
    & skf21("6","4","2","5","6","1","7","1") = "6"
    & skf21("6","4","2","5","6","2","1","1") = "5"
    & skf21("6","4","2","5","6","2","2","1") = "5"
    & skf21("6","4","2","5","6","2","3","1") = "5"
    & skf21("6","4","2","5","6","2","4","1") = "5"
    & skf21("6","4","2","5","6","2","5","1") = "5"
    & skf21("6","4","2","5","6","2","6","1") = "5"
    & skf21("6","4","2","5","6","2","7","1") = "6"
    & skf21("6","4","2","5","6","3","1","1") = "5"
    & skf21("6","4","2","5","6","3","2","1") = "5"
    & skf21("6","4","2","5","6","3","3","1") = "5"
    & skf21("6","4","2","5","6","3","4","1") = "5"
    & skf21("6","4","2","5","6","3","5","1") = "5"
    & skf21("6","4","2","5","6","3","6","1") = "5"
    & skf21("6","4","2","5","6","3","7","1") = "6"
    & skf21("6","4","2","5","6","4","1","1") = "5"
    & skf21("6","4","2","5","6","4","2","1") = "5"
    & skf21("6","4","2","5","6","4","3","1") = "5"
    & skf21("6","4","2","5","6","4","4","1") = "5"
    & skf21("6","4","2","5","6","4","5","1") = "5"
    & skf21("6","4","2","5","6","4","6","1") = "5"
    & skf21("6","4","2","5","6","4","7","1") = "6"
    & skf21("6","4","2","5","6","5","1","1") = "5"
    & skf21("6","4","2","5","6","5","2","1") = "5"
    & skf21("6","4","2","5","6","5","3","1") = "5"
    & skf21("6","4","2","5","6","5","4","1") = "5"
    & skf21("6","4","2","5","6","5","5","1") = "5"
    & skf21("6","4","2","5","6","5","6","1") = "5"
    & skf21("6","4","2","5","6","5","7","1") = "6"
    & skf21("6","4","2","5","6","6","1","1") = "5"
    & skf21("6","4","2","5","6","6","2","1") = "5"
    & skf21("6","4","2","5","6","6","3","1") = "5"
    & skf21("6","4","2","5","6","6","4","1") = "5"
    & skf21("6","4","2","5","6","6","5","1") = "5"
    & skf21("6","4","2","5","6","6","6","1") = "5"
    & skf21("6","4","2","5","6","6","7","1") = "6"
    & skf21("6","4","2","5","6","7","1","1") = "6"
    & skf21("6","4","2","5","6","7","2","1") = "6"
    & skf21("6","4","2","5","6","7","3","1") = "6"
    & skf21("6","4","2","5","6","7","4","1") = "6"
    & skf21("6","4","2","5","6","7","5","1") = "6"
    & skf21("6","4","2","5","6","7","6","1") = "6"
    & skf21("6","4","2","5","6","7","7","1") = "6"
    & skf21("6","4","2","5","7","1","1","1") = "6"
    & skf21("6","4","2","5","7","1","2","1") = "6"
    & skf21("6","4","2","5","7","1","3","1") = "6"
    & skf21("6","4","2","5","7","1","4","1") = "6"
    & skf21("6","4","2","5","7","1","5","1") = "6"
    & skf21("6","4","2","5","7","1","6","1") = "6"
    & skf21("6","4","2","5","7","1","7","1") = "6"
    & skf21("6","4","2","5","7","2","1","1") = "6"
    & skf21("6","4","2","5","7","2","2","1") = "6"
    & skf21("6","4","2","5","7","2","3","1") = "6"
    & skf21("6","4","2","5","7","2","4","1") = "6"
    & skf21("6","4","2","5","7","2","5","1") = "6"
    & skf21("6","4","2","5","7","2","6","1") = "6"
    & skf21("6","4","2","5","7","2","7","1") = "6"
    & skf21("6","4","2","5","7","3","1","1") = "6"
    & skf21("6","4","2","5","7","3","2","1") = "6"
    & skf21("6","4","2","5","7","3","3","1") = "6"
    & skf21("6","4","2","5","7","3","4","1") = "6"
    & skf21("6","4","2","5","7","3","5","1") = "6"
    & skf21("6","4","2","5","7","3","6","1") = "6"
    & skf21("6","4","2","5","7","3","7","1") = "6"
    & skf21("6","4","2","5","7","4","1","1") = "6"
    & skf21("6","4","2","5","7","4","2","1") = "6"
    & skf21("6","4","2","5","7","4","3","1") = "6"
    & skf21("6","4","2","5","7","4","4","1") = "6"
    & skf21("6","4","2","5","7","4","5","1") = "6"
    & skf21("6","4","2","5","7","4","6","1") = "6"
    & skf21("6","4","2","5","7","4","7","1") = "6"
    & skf21("6","4","2","5","7","5","1","1") = "6"
    & skf21("6","4","2","5","7","5","2","1") = "6"
    & skf21("6","4","2","5","7","5","3","1") = "6"
    & skf21("6","4","2","5","7","5","4","1") = "6"
    & skf21("6","4","2","5","7","5","5","1") = "6"
    & skf21("6","4","2","5","7","5","6","1") = "6"
    & skf21("6","4","2","5","7","5","7","1") = "6"
    & skf21("6","4","2","5","7","6","1","1") = "6"
    & skf21("6","4","2","5","7","6","2","1") = "6"
    & skf21("6","4","2","5","7","6","3","1") = "6"
    & skf21("6","4","2","5","7","6","4","1") = "6"
    & skf21("6","4","2","5","7","6","5","1") = "6"
    & skf21("6","4","2","5","7","6","6","1") = "6"
    & skf21("6","4","2","5","7","6","7","1") = "6"
    & skf21("6","4","2","5","7","7","1","1") = "6"
    & skf21("6","4","2","5","7","7","2","1") = "6"
    & skf21("6","4","2","5","7","7","3","1") = "6"
    & skf21("6","4","2","5","7","7","4","1") = "6"
    & skf21("6","4","2","5","7","7","5","1") = "6"
    & skf21("6","4","2","5","7","7","6","1") = "6"
    & skf21("6","4","2","5","7","7","7","1") = "6"
    & skf21("6","4","2","6","1","1","1","1") = "5"
    & skf21("6","4","2","6","1","1","2","1") = "5"
    & skf21("6","4","2","6","1","1","3","1") = "5"
    & skf21("6","4","2","6","1","1","4","1") = "5"
    & skf21("6","4","2","6","1","1","5","1") = "5"
    & skf21("6","4","2","6","1","1","6","1") = "5"
    & skf21("6","4","2","6","1","1","7","1") = "6"
    & skf21("6","4","2","6","1","2","1","1") = "5"
    & skf21("6","4","2","6","1","2","2","1") = "5"
    & skf21("6","4","2","6","1","2","3","1") = "5"
    & skf21("6","4","2","6","1","2","4","1") = "5"
    & skf21("6","4","2","6","1","2","5","1") = "5"
    & skf21("6","4","2","6","1","2","6","1") = "5"
    & skf21("6","4","2","6","1","2","7","1") = "6"
    & skf21("6","4","2","6","1","3","1","1") = "5"
    & skf21("6","4","2","6","1","3","2","1") = "5"
    & skf21("6","4","2","6","1","3","3","1") = "5"
    & skf21("6","4","2","6","1","3","4","1") = "5"
    & skf21("6","4","2","6","1","3","5","1") = "5"
    & skf21("6","4","2","6","1","3","6","1") = "5"
    & skf21("6","4","2","6","1","3","7","1") = "6"
    & skf21("6","4","2","6","1","4","1","1") = "5"
    & skf21("6","4","2","6","1","4","2","1") = "5"
    & skf21("6","4","2","6","1","4","3","1") = "5"
    & skf21("6","4","2","6","1","4","4","1") = "5"
    & skf21("6","4","2","6","1","4","5","1") = "5"
    & skf21("6","4","2","6","1","4","6","1") = "5"
    & skf21("6","4","2","6","1","4","7","1") = "6"
    & skf21("6","4","2","6","1","5","1","1") = "5"
    & skf21("6","4","2","6","1","5","2","1") = "5"
    & skf21("6","4","2","6","1","5","3","1") = "5"
    & skf21("6","4","2","6","1","5","4","1") = "5"
    & skf21("6","4","2","6","1","5","5","1") = "5"
    & skf21("6","4","2","6","1","5","6","1") = "5"
    & skf21("6","4","2","6","1","5","7","1") = "6"
    & skf21("6","4","2","6","1","6","1","1") = "5"
    & skf21("6","4","2","6","1","6","2","1") = "5"
    & skf21("6","4","2","6","1","6","3","1") = "5"
    & skf21("6","4","2","6","1","6","4","1") = "5"
    & skf21("6","4","2","6","1","6","5","1") = "5"
    & skf21("6","4","2","6","1","6","6","1") = "5"
    & skf21("6","4","2","6","1","6","7","1") = "6"
    & skf21("6","4","2","6","1","7","1","1") = "6"
    & skf21("6","4","2","6","1","7","2","1") = "6"
    & skf21("6","4","2","6","1","7","3","1") = "6"
    & skf21("6","4","2","6","1","7","4","1") = "6"
    & skf21("6","4","2","6","1","7","5","1") = "6"
    & skf21("6","4","2","6","1","7","6","1") = "6"
    & skf21("6","4","2","6","1","7","7","1") = "6"
    & skf21("6","4","2","6","2","1","1","1") = "5"
    & skf21("6","4","2","6","2","1","2","1") = "5"
    & skf21("6","4","2","6","2","1","3","1") = "5"
    & skf21("6","4","2","6","2","1","4","1") = "5"
    & skf21("6","4","2","6","2","1","5","1") = "5"
    & skf21("6","4","2","6","2","1","6","1") = "5"
    & skf21("6","4","2","6","2","1","7","1") = "6"
    & skf21("6","4","2","6","2","2","1","1") = "5"
    & skf21("6","4","2","6","2","2","2","1") = "5"
    & skf21("6","4","2","6","2","2","3","1") = "5"
    & skf21("6","4","2","6","2","2","4","1") = "5"
    & skf21("6","4","2","6","2","2","5","1") = "5"
    & skf21("6","4","2","6","2","2","6","1") = "5"
    & skf21("6","4","2","6","2","2","7","1") = "6"
    & skf21("6","4","2","6","2","3","1","1") = "5"
    & skf21("6","4","2","6","2","3","2","1") = "5"
    & skf21("6","4","2","6","2","3","3","1") = "5"
    & skf21("6","4","2","6","2","3","4","1") = "5"
    & skf21("6","4","2","6","2","3","5","1") = "5"
    & skf21("6","4","2","6","2","3","6","1") = "5"
    & skf21("6","4","2","6","2","3","7","1") = "6"
    & skf21("6","4","2","6","2","4","1","1") = "5"
    & skf21("6","4","2","6","2","4","2","1") = "5"
    & skf21("6","4","2","6","2","4","3","1") = "5"
    & skf21("6","4","2","6","2","4","4","1") = "5"
    & skf21("6","4","2","6","2","4","5","1") = "5"
    & skf21("6","4","2","6","2","4","6","1") = "5"
    & skf21("6","4","2","6","2","4","7","1") = "6"
    & skf21("6","4","2","6","2","5","1","1") = "5"
    & skf21("6","4","2","6","2","5","2","1") = "5"
    & skf21("6","4","2","6","2","5","3","1") = "5"
    & skf21("6","4","2","6","2","5","4","1") = "5"
    & skf21("6","4","2","6","2","5","5","1") = "5"
    & skf21("6","4","2","6","2","5","6","1") = "5"
    & skf21("6","4","2","6","2","5","7","1") = "6"
    & skf21("6","4","2","6","2","6","1","1") = "5"
    & skf21("6","4","2","6","2","6","2","1") = "5"
    & skf21("6","4","2","6","2","6","3","1") = "5"
    & skf21("6","4","2","6","2","6","4","1") = "5"
    & skf21("6","4","2","6","2","6","5","1") = "5"
    & skf21("6","4","2","6","2","6","6","1") = "5"
    & skf21("6","4","2","6","2","6","7","1") = "6"
    & skf21("6","4","2","6","2","7","1","1") = "6"
    & skf21("6","4","2","6","2","7","2","1") = "6"
    & skf21("6","4","2","6","2","7","3","1") = "6"
    & skf21("6","4","2","6","2","7","4","1") = "6"
    & skf21("6","4","2","6","2","7","5","1") = "6"
    & skf21("6","4","2","6","2","7","6","1") = "6"
    & skf21("6","4","2","6","2","7","7","1") = "6"
    & skf21("6","4","2","6","3","1","1","1") = "5"
    & skf21("6","4","2","6","3","1","2","1") = "5"
    & skf21("6","4","2","6","3","1","3","1") = "5"
    & skf21("6","4","2","6","3","1","4","1") = "5"
    & skf21("6","4","2","6","3","1","5","1") = "5"
    & skf21("6","4","2","6","3","1","6","1") = "5"
    & skf21("6","4","2","6","3","1","7","1") = "6"
    & skf21("6","4","2","6","3","2","1","1") = "5"
    & skf21("6","4","2","6","3","2","2","1") = "5"
    & skf21("6","4","2","6","3","2","3","1") = "5"
    & skf21("6","4","2","6","3","2","4","1") = "5"
    & skf21("6","4","2","6","3","2","5","1") = "5"
    & skf21("6","4","2","6","3","2","6","1") = "5"
    & skf21("6","4","2","6","3","2","7","1") = "6"
    & skf21("6","4","2","6","3","3","1","1") = "5"
    & skf21("6","4","2","6","3","3","2","1") = "5"
    & skf21("6","4","2","6","3","3","3","1") = "5"
    & skf21("6","4","2","6","3","3","4","1") = "5"
    & skf21("6","4","2","6","3","3","5","1") = "5"
    & skf21("6","4","2","6","3","3","6","1") = "5"
    & skf21("6","4","2","6","3","3","7","1") = "6"
    & skf21("6","4","2","6","3","4","1","1") = "5"
    & skf21("6","4","2","6","3","4","2","1") = "5"
    & skf21("6","4","2","6","3","4","3","1") = "5"
    & skf21("6","4","2","6","3","4","4","1") = "5"
    & skf21("6","4","2","6","3","4","5","1") = "5"
    & skf21("6","4","2","6","3","4","6","1") = "5"
    & skf21("6","4","2","6","3","4","7","1") = "6"
    & skf21("6","4","2","6","3","5","1","1") = "5"
    & skf21("6","4","2","6","3","5","2","1") = "5"
    & skf21("6","4","2","6","3","5","3","1") = "5"
    & skf21("6","4","2","6","3","5","4","1") = "5"
    & skf21("6","4","2","6","3","5","5","1") = "5"
    & skf21("6","4","2","6","3","5","6","1") = "5"
    & skf21("6","4","2","6","3","5","7","1") = "6"
    & skf21("6","4","2","6","3","6","1","1") = "5"
    & skf21("6","4","2","6","3","6","2","1") = "5"
    & skf21("6","4","2","6","3","6","3","1") = "5"
    & skf21("6","4","2","6","3","6","4","1") = "5"
    & skf21("6","4","2","6","3","6","5","1") = "5"
    & skf21("6","4","2","6","3","6","6","1") = "5"
    & skf21("6","4","2","6","3","6","7","1") = "6"
    & skf21("6","4","2","6","3","7","1","1") = "6"
    & skf21("6","4","2","6","3","7","2","1") = "6"
    & skf21("6","4","2","6","3","7","3","1") = "6"
    & skf21("6","4","2","6","3","7","4","1") = "6"
    & skf21("6","4","2","6","3","7","5","1") = "6"
    & skf21("6","4","2","6","3","7","6","1") = "6"
    & skf21("6","4","2","6","3","7","7","1") = "6"
    & skf21("6","4","2","6","4","1","1","1") = "5"
    & skf21("6","4","2","6","4","1","2","1") = "5"
    & skf21("6","4","2","6","4","1","3","1") = "5"
    & skf21("6","4","2","6","4","1","4","1") = "5"
    & skf21("6","4","2","6","4","1","5","1") = "5"
    & skf21("6","4","2","6","4","1","6","1") = "5"
    & skf21("6","4","2","6","4","1","7","1") = "6"
    & skf21("6","4","2","6","4","2","1","1") = "5"
    & skf21("6","4","2","6","4","2","2","1") = "5"
    & skf21("6","4","2","6","4","2","3","1") = "5"
    & skf21("6","4","2","6","4","2","4","1") = "5"
    & skf21("6","4","2","6","4","2","5","1") = "5"
    & skf21("6","4","2","6","4","2","6","1") = "5"
    & skf21("6","4","2","6","4","2","7","1") = "6"
    & skf21("6","4","2","6","4","3","1","1") = "5"
    & skf21("6","4","2","6","4","3","2","1") = "5"
    & skf21("6","4","2","6","4","3","3","1") = "5"
    & skf21("6","4","2","6","4","3","4","1") = "5"
    & skf21("6","4","2","6","4","3","5","1") = "5"
    & skf21("6","4","2","6","4","3","6","1") = "5"
    & skf21("6","4","2","6","4","3","7","1") = "6"
    & skf21("6","4","2","6","4","4","1","1") = "5"
    & skf21("6","4","2","6","4","4","2","1") = "5"
    & skf21("6","4","2","6","4","4","3","1") = "5"
    & skf21("6","4","2","6","4","4","4","1") = "5"
    & skf21("6","4","2","6","4","4","5","1") = "5"
    & skf21("6","4","2","6","4","4","6","1") = "5"
    & skf21("6","4","2","6","4","4","7","1") = "6"
    & skf21("6","4","2","6","4","5","1","1") = "5"
    & skf21("6","4","2","6","4","5","2","1") = "5"
    & skf21("6","4","2","6","4","5","3","1") = "5"
    & skf21("6","4","2","6","4","5","4","1") = "5"
    & skf21("6","4","2","6","4","5","5","1") = "5"
    & skf21("6","4","2","6","4","5","6","1") = "5"
    & skf21("6","4","2","6","4","5","7","1") = "6"
    & skf21("6","4","2","6","4","6","1","1") = "5"
    & skf21("6","4","2","6","4","6","2","1") = "5"
    & skf21("6","4","2","6","4","6","3","1") = "5"
    & skf21("6","4","2","6","4","6","4","1") = "5"
    & skf21("6","4","2","6","4","6","5","1") = "5"
    & skf21("6","4","2","6","4","6","6","1") = "5"
    & skf21("6","4","2","6","4","6","7","1") = "6"
    & skf21("6","4","2","6","4","7","1","1") = "6"
    & skf21("6","4","2","6","4","7","2","1") = "6"
    & skf21("6","4","2","6","4","7","3","1") = "6"
    & skf21("6","4","2","6","4","7","4","1") = "6"
    & skf21("6","4","2","6","4","7","5","1") = "6"
    & skf21("6","4","2","6","4","7","6","1") = "6"
    & skf21("6","4","2","6","4","7","7","1") = "6"
    & skf21("6","4","2","6","5","1","1","1") = "5"
    & skf21("6","4","2","6","5","1","2","1") = "5"
    & skf21("6","4","2","6","5","1","3","1") = "5"
    & skf21("6","4","2","6","5","1","4","1") = "5"
    & skf21("6","4","2","6","5","1","5","1") = "5"
    & skf21("6","4","2","6","5","1","6","1") = "5"
    & skf21("6","4","2","6","5","1","7","1") = "6"
    & skf21("6","4","2","6","5","2","1","1") = "5"
    & skf21("6","4","2","6","5","2","2","1") = "5"
    & skf21("6","4","2","6","5","2","3","1") = "5"
    & skf21("6","4","2","6","5","2","4","1") = "5"
    & skf21("6","4","2","6","5","2","5","1") = "5"
    & skf21("6","4","2","6","5","2","6","1") = "5"
    & skf21("6","4","2","6","5","2","7","1") = "6"
    & skf21("6","4","2","6","5","3","1","1") = "5"
    & skf21("6","4","2","6","5","3","2","1") = "5"
    & skf21("6","4","2","6","5","3","3","1") = "5"
    & skf21("6","4","2","6","5","3","4","1") = "5"
    & skf21("6","4","2","6","5","3","5","1") = "5"
    & skf21("6","4","2","6","5","3","6","1") = "5"
    & skf21("6","4","2","6","5","3","7","1") = "6"
    & skf21("6","4","2","6","5","4","1","1") = "5"
    & skf21("6","4","2","6","5","4","2","1") = "5"
    & skf21("6","4","2","6","5","4","3","1") = "5"
    & skf21("6","4","2","6","5","4","4","1") = "5"
    & skf21("6","4","2","6","5","4","5","1") = "5"
    & skf21("6","4","2","6","5","4","6","1") = "5"
    & skf21("6","4","2","6","5","4","7","1") = "6"
    & skf21("6","4","2","6","5","5","1","1") = "5"
    & skf21("6","4","2","6","5","5","2","1") = "5"
    & skf21("6","4","2","6","5","5","3","1") = "5"
    & skf21("6","4","2","6","5","5","4","1") = "5"
    & skf21("6","4","2","6","5","5","5","1") = "5"
    & skf21("6","4","2","6","5","5","6","1") = "5"
    & skf21("6","4","2","6","5","5","7","1") = "6"
    & skf21("6","4","2","6","5","6","1","1") = "5"
    & skf21("6","4","2","6","5","6","2","1") = "5"
    & skf21("6","4","2","6","5","6","3","1") = "5"
    & skf21("6","4","2","6","5","6","4","1") = "5"
    & skf21("6","4","2","6","5","6","5","1") = "5"
    & skf21("6","4","2","6","5","6","6","1") = "5"
    & skf21("6","4","2","6","5","6","7","1") = "6"
    & skf21("6","4","2","6","5","7","1","1") = "6"
    & skf21("6","4","2","6","5","7","2","1") = "6"
    & skf21("6","4","2","6","5","7","3","1") = "6"
    & skf21("6","4","2","6","5","7","4","1") = "6"
    & skf21("6","4","2","6","5","7","5","1") = "6"
    & skf21("6","4","2","6","5","7","6","1") = "6"
    & skf21("6","4","2","6","5","7","7","1") = "6"
    & skf21("6","4","2","6","6","1","1","1") = "5"
    & skf21("6","4","2","6","6","1","2","1") = "5"
    & skf21("6","4","2","6","6","1","3","1") = "5"
    & skf21("6","4","2","6","6","1","4","1") = "5"
    & skf21("6","4","2","6","6","1","5","1") = "5"
    & skf21("6","4","2","6","6","1","6","1") = "5"
    & skf21("6","4","2","6","6","1","7","1") = "6"
    & skf21("6","4","2","6","6","2","1","1") = "5"
    & skf21("6","4","2","6","6","2","2","1") = "5"
    & skf21("6","4","2","6","6","2","3","1") = "5"
    & skf21("6","4","2","6","6","2","4","1") = "5"
    & skf21("6","4","2","6","6","2","5","1") = "5"
    & skf21("6","4","2","6","6","2","6","1") = "5"
    & skf21("6","4","2","6","6","2","7","1") = "6"
    & skf21("6","4","2","6","6","3","1","1") = "5"
    & skf21("6","4","2","6","6","3","2","1") = "5"
    & skf21("6","4","2","6","6","3","3","1") = "5"
    & skf21("6","4","2","6","6","3","4","1") = "5"
    & skf21("6","4","2","6","6","3","5","1") = "5"
    & skf21("6","4","2","6","6","3","6","1") = "5"
    & skf21("6","4","2","6","6","3","7","1") = "6"
    & skf21("6","4","2","6","6","4","1","1") = "5"
    & skf21("6","4","2","6","6","4","2","1") = "5"
    & skf21("6","4","2","6","6","4","3","1") = "5"
    & skf21("6","4","2","6","6","4","4","1") = "5"
    & skf21("6","4","2","6","6","4","5","1") = "5"
    & skf21("6","4","2","6","6","4","6","1") = "5"
    & skf21("6","4","2","6","6","4","7","1") = "6"
    & skf21("6","4","2","6","6","5","1","1") = "5"
    & skf21("6","4","2","6","6","5","2","1") = "5"
    & skf21("6","4","2","6","6","5","3","1") = "5"
    & skf21("6","4","2","6","6","5","4","1") = "5"
    & skf21("6","4","2","6","6","5","5","1") = "5"
    & skf21("6","4","2","6","6","5","6","1") = "5"
    & skf21("6","4","2","6","6","5","7","1") = "6"
    & skf21("6","4","2","6","6","6","1","1") = "5"
    & skf21("6","4","2","6","6","6","2","1") = "5"
    & skf21("6","4","2","6","6","6","3","1") = "5"
    & skf21("6","4","2","6","6","6","4","1") = "5"
    & skf21("6","4","2","6","6","6","5","1") = "5"
    & skf21("6","4","2","6","6","6","6","1") = "5"
    & skf21("6","4","2","6","6","6","7","1") = "6"
    & skf21("6","4","2","6","6","7","1","1") = "6"
    & skf21("6","4","2","6","6","7","2","1") = "6"
    & skf21("6","4","2","6","6","7","3","1") = "6"
    & skf21("6","4","2","6","6","7","4","1") = "6"
    & skf21("6","4","2","6","6","7","5","1") = "6"
    & skf21("6","4","2","6","6","7","6","1") = "6"
    & skf21("6","4","2","6","6","7","7","1") = "6"
    & skf21("6","4","2","6","7","1","1","1") = "6"
    & skf21("6","4","2","6","7","1","2","1") = "6"
    & skf21("6","4","2","6","7","1","3","1") = "6"
    & skf21("6","4","2","6","7","1","4","1") = "6"
    & skf21("6","4","2","6","7","1","5","1") = "6"
    & skf21("6","4","2","6","7","1","6","1") = "6"
    & skf21("6","4","2","6","7","1","7","1") = "6"
    & skf21("6","4","2","6","7","2","1","1") = "6"
    & skf21("6","4","2","6","7","2","2","1") = "6"
    & skf21("6","4","2","6","7","2","3","1") = "6"
    & skf21("6","4","2","6","7","2","4","1") = "6"
    & skf21("6","4","2","6","7","2","5","1") = "6"
    & skf21("6","4","2","6","7","2","6","1") = "6"
    & skf21("6","4","2","6","7","2","7","1") = "6"
    & skf21("6","4","2","6","7","3","1","1") = "6"
    & skf21("6","4","2","6","7","3","2","1") = "6"
    & skf21("6","4","2","6","7","3","3","1") = "6"
    & skf21("6","4","2","6","7","3","4","1") = "6"
    & skf21("6","4","2","6","7","3","5","1") = "6"
    & skf21("6","4","2","6","7","3","6","1") = "6"
    & skf21("6","4","2","6","7","3","7","1") = "6"
    & skf21("6","4","2","6","7","4","1","1") = "6"
    & skf21("6","4","2","6","7","4","2","1") = "6"
    & skf21("6","4","2","6","7","4","3","1") = "6"
    & skf21("6","4","2","6","7","4","4","1") = "6"
    & skf21("6","4","2","6","7","4","5","1") = "6"
    & skf21("6","4","2","6","7","4","6","1") = "6"
    & skf21("6","4","2","6","7","4","7","1") = "6"
    & skf21("6","4","2","6","7","5","1","1") = "6"
    & skf21("6","4","2","6","7","5","2","1") = "6"
    & skf21("6","4","2","6","7","5","3","1") = "6"
    & skf21("6","4","2","6","7","5","4","1") = "6"
    & skf21("6","4","2","6","7","5","5","1") = "6"
    & skf21("6","4","2","6","7","5","6","1") = "6"
    & skf21("6","4","2","6","7","5","7","1") = "6"
    & skf21("6","4","2","6","7","6","1","1") = "6"
    & skf21("6","4","2","6","7","6","2","1") = "6"
    & skf21("6","4","2","6","7","6","3","1") = "6"
    & skf21("6","4","2","6","7","6","4","1") = "6"
    & skf21("6","4","2","6","7","6","5","1") = "6"
    & skf21("6","4","2","6","7","6","6","1") = "6"
    & skf21("6","4","2","6","7","6","7","1") = "6"
    & skf21("6","4","2","6","7","7","1","1") = "6"
    & skf21("6","4","2","6","7","7","2","1") = "6"
    & skf21("6","4","2","6","7","7","3","1") = "6"
    & skf21("6","4","2","6","7","7","4","1") = "6"
    & skf21("6","4","2","6","7","7","5","1") = "6"
    & skf21("6","4","2","6","7","7","6","1") = "6"
    & skf21("6","4","2","6","7","7","7","1") = "6"
    & skf21("6","4","2","7","1","1","1","1") = "6"
    & skf21("6","4","2","7","1","1","2","1") = "6"
    & skf21("6","4","2","7","1","1","3","1") = "6"
    & skf21("6","4","2","7","1","1","4","1") = "6"
    & skf21("6","4","2","7","1","1","5","1") = "6"
    & skf21("6","4","2","7","1","1","6","1") = "6"
    & skf21("6","4","2","7","1","1","7","1") = "6"
    & skf21("6","4","2","7","1","2","1","1") = "6"
    & skf21("6","4","2","7","1","2","2","1") = "6"
    & skf21("6","4","2","7","1","2","3","1") = "6"
    & skf21("6","4","2","7","1","2","4","1") = "6"
    & skf21("6","4","2","7","1","2","5","1") = "6"
    & skf21("6","4","2","7","1","2","6","1") = "6"
    & skf21("6","4","2","7","1","2","7","1") = "6"
    & skf21("6","4","2","7","1","3","1","1") = "6"
    & skf21("6","4","2","7","1","3","2","1") = "6"
    & skf21("6","4","2","7","1","3","3","1") = "6"
    & skf21("6","4","2","7","1","3","4","1") = "6"
    & skf21("6","4","2","7","1","3","5","1") = "6"
    & skf21("6","4","2","7","1","3","6","1") = "6"
    & skf21("6","4","2","7","1","3","7","1") = "6"
    & skf21("6","4","2","7","1","4","1","1") = "6"
    & skf21("6","4","2","7","1","4","2","1") = "6"
    & skf21("6","4","2","7","1","4","3","1") = "6"
    & skf21("6","4","2","7","1","4","4","1") = "6"
    & skf21("6","4","2","7","1","4","5","1") = "6"
    & skf21("6","4","2","7","1","4","6","1") = "6"
    & skf21("6","4","2","7","1","4","7","1") = "6"
    & skf21("6","4","2","7","1","5","1","1") = "6"
    & skf21("6","4","2","7","1","5","2","1") = "6"
    & skf21("6","4","2","7","1","5","3","1") = "6"
    & skf21("6","4","2","7","1","5","4","1") = "6"
    & skf21("6","4","2","7","1","5","5","1") = "6"
    & skf21("6","4","2","7","1","5","6","1") = "6"
    & skf21("6","4","2","7","1","5","7","1") = "6"
    & skf21("6","4","2","7","1","6","1","1") = "6"
    & skf21("6","4","2","7","1","6","2","1") = "6"
    & skf21("6","4","2","7","1","6","3","1") = "6"
    & skf21("6","4","2","7","1","6","4","1") = "6"
    & skf21("6","4","2","7","1","6","5","1") = "6"
    & skf21("6","4","2","7","1","6","6","1") = "6"
    & skf21("6","4","2","7","1","6","7","1") = "6"
    & skf21("6","4","2","7","1","7","1","1") = "6"
    & skf21("6","4","2","7","1","7","2","1") = "6"
    & skf21("6","4","2","7","1","7","3","1") = "6"
    & skf21("6","4","2","7","1","7","4","1") = "6"
    & skf21("6","4","2","7","1","7","5","1") = "6"
    & skf21("6","4","2","7","1","7","6","1") = "6"
    & skf21("6","4","2","7","1","7","7","1") = "6"
    & skf21("6","4","2","7","2","1","1","1") = "6"
    & skf21("6","4","2","7","2","1","2","1") = "6"
    & skf21("6","4","2","7","2","1","3","1") = "6"
    & skf21("6","4","2","7","2","1","4","1") = "6"
    & skf21("6","4","2","7","2","1","5","1") = "6"
    & skf21("6","4","2","7","2","1","6","1") = "6"
    & skf21("6","4","2","7","2","1","7","1") = "6"
    & skf21("6","4","2","7","2","2","1","1") = "6"
    & skf21("6","4","2","7","2","2","2","1") = "6"
    & skf21("6","4","2","7","2","2","3","1") = "6"
    & skf21("6","4","2","7","2","2","4","1") = "6"
    & skf21("6","4","2","7","2","2","5","1") = "6"
    & skf21("6","4","2","7","2","2","6","1") = "6"
    & skf21("6","4","2","7","2","2","7","1") = "6"
    & skf21("6","4","2","7","2","3","1","1") = "6"
    & skf21("6","4","2","7","2","3","2","1") = "6"
    & skf21("6","4","2","7","2","3","3","1") = "6"
    & skf21("6","4","2","7","2","3","4","1") = "6"
    & skf21("6","4","2","7","2","3","5","1") = "6"
    & skf21("6","4","2","7","2","3","6","1") = "6"
    & skf21("6","4","2","7","2","3","7","1") = "6"
    & skf21("6","4","2","7","2","4","1","1") = "6"
    & skf21("6","4","2","7","2","4","2","1") = "6"
    & skf21("6","4","2","7","2","4","3","1") = "6"
    & skf21("6","4","2","7","2","4","4","1") = "6"
    & skf21("6","4","2","7","2","4","5","1") = "6"
    & skf21("6","4","2","7","2","4","6","1") = "6"
    & skf21("6","4","2","7","2","4","7","1") = "6"
    & skf21("6","4","2","7","2","5","1","1") = "6"
    & skf21("6","4","2","7","2","5","2","1") = "6"
    & skf21("6","4","2","7","2","5","3","1") = "6"
    & skf21("6","4","2","7","2","5","4","1") = "6"
    & skf21("6","4","2","7","2","5","5","1") = "6"
    & skf21("6","4","2","7","2","5","6","1") = "6"
    & skf21("6","4","2","7","2","5","7","1") = "6"
    & skf21("6","4","2","7","2","6","1","1") = "6"
    & skf21("6","4","2","7","2","6","2","1") = "6"
    & skf21("6","4","2","7","2","6","3","1") = "6"
    & skf21("6","4","2","7","2","6","4","1") = "6"
    & skf21("6","4","2","7","2","6","5","1") = "6"
    & skf21("6","4","2","7","2","6","6","1") = "6"
    & skf21("6","4","2","7","2","6","7","1") = "6"
    & skf21("6","4","2","7","2","7","1","1") = "6"
    & skf21("6","4","2","7","2","7","2","1") = "6"
    & skf21("6","4","2","7","2","7","3","1") = "6"
    & skf21("6","4","2","7","2","7","4","1") = "6"
    & skf21("6","4","2","7","2","7","5","1") = "6"
    & skf21("6","4","2","7","2","7","6","1") = "6"
    & skf21("6","4","2","7","2","7","7","1") = "6"
    & skf21("6","4","2","7","3","1","1","1") = "6"
    & skf21("6","4","2","7","3","1","2","1") = "6"
    & skf21("6","4","2","7","3","1","3","1") = "6"
    & skf21("6","4","2","7","3","1","4","1") = "6"
    & skf21("6","4","2","7","3","1","5","1") = "6"
    & skf21("6","4","2","7","3","1","6","1") = "6"
    & skf21("6","4","2","7","3","1","7","1") = "6"
    & skf21("6","4","2","7","3","2","1","1") = "6"
    & skf21("6","4","2","7","3","2","2","1") = "6"
    & skf21("6","4","2","7","3","2","3","1") = "6"
    & skf21("6","4","2","7","3","2","4","1") = "6"
    & skf21("6","4","2","7","3","2","5","1") = "6"
    & skf21("6","4","2","7","3","2","6","1") = "6"
    & skf21("6","4","2","7","3","2","7","1") = "6"
    & skf21("6","4","2","7","3","3","1","1") = "6"
    & skf21("6","4","2","7","3","3","2","1") = "6"
    & skf21("6","4","2","7","3","3","3","1") = "6"
    & skf21("6","4","2","7","3","3","4","1") = "6"
    & skf21("6","4","2","7","3","3","5","1") = "6"
    & skf21("6","4","2","7","3","3","6","1") = "6"
    & skf21("6","4","2","7","3","3","7","1") = "6"
    & skf21("6","4","2","7","3","4","1","1") = "6"
    & skf21("6","4","2","7","3","4","2","1") = "6"
    & skf21("6","4","2","7","3","4","3","1") = "6"
    & skf21("6","4","2","7","3","4","4","1") = "6"
    & skf21("6","4","2","7","3","4","5","1") = "6"
    & skf21("6","4","2","7","3","4","6","1") = "6"
    & skf21("6","4","2","7","3","4","7","1") = "6"
    & skf21("6","4","2","7","3","5","1","1") = "6"
    & skf21("6","4","2","7","3","5","2","1") = "6"
    & skf21("6","4","2","7","3","5","3","1") = "6"
    & skf21("6","4","2","7","3","5","4","1") = "6"
    & skf21("6","4","2","7","3","5","5","1") = "6"
    & skf21("6","4","2","7","3","5","6","1") = "6"
    & skf21("6","4","2","7","3","5","7","1") = "6"
    & skf21("6","4","2","7","3","6","1","1") = "6"
    & skf21("6","4","2","7","3","6","2","1") = "6"
    & skf21("6","4","2","7","3","6","3","1") = "6"
    & skf21("6","4","2","7","3","6","4","1") = "6"
    & skf21("6","4","2","7","3","6","5","1") = "6"
    & skf21("6","4","2","7","3","6","6","1") = "6"
    & skf21("6","4","2","7","3","6","7","1") = "6"
    & skf21("6","4","2","7","3","7","1","1") = "6"
    & skf21("6","4","2","7","3","7","2","1") = "6"
    & skf21("6","4","2","7","3","7","3","1") = "6"
    & skf21("6","4","2","7","3","7","4","1") = "6"
    & skf21("6","4","2","7","3","7","5","1") = "6"
    & skf21("6","4","2","7","3","7","6","1") = "6"
    & skf21("6","4","2","7","3","7","7","1") = "6"
    & skf21("6","4","2","7","4","1","1","1") = "6"
    & skf21("6","4","2","7","4","1","2","1") = "6"
    & skf21("6","4","2","7","4","1","3","1") = "6"
    & skf21("6","4","2","7","4","1","4","1") = "6"
    & skf21("6","4","2","7","4","1","5","1") = "6"
    & skf21("6","4","2","7","4","1","6","1") = "6"
    & skf21("6","4","2","7","4","1","7","1") = "6"
    & skf21("6","4","2","7","4","2","1","1") = "6"
    & skf21("6","4","2","7","4","2","2","1") = "6"
    & skf21("6","4","2","7","4","2","3","1") = "6"
    & skf21("6","4","2","7","4","2","4","1") = "6"
    & skf21("6","4","2","7","4","2","5","1") = "6"
    & skf21("6","4","2","7","4","2","6","1") = "6"
    & skf21("6","4","2","7","4","2","7","1") = "6"
    & skf21("6","4","2","7","4","3","1","1") = "6"
    & skf21("6","4","2","7","4","3","2","1") = "6"
    & skf21("6","4","2","7","4","3","3","1") = "6"
    & skf21("6","4","2","7","4","3","4","1") = "6"
    & skf21("6","4","2","7","4","3","5","1") = "6"
    & skf21("6","4","2","7","4","3","6","1") = "6"
    & skf21("6","4","2","7","4","3","7","1") = "6"
    & skf21("6","4","2","7","4","4","1","1") = "6"
    & skf21("6","4","2","7","4","4","2","1") = "6"
    & skf21("6","4","2","7","4","4","3","1") = "6"
    & skf21("6","4","2","7","4","4","4","1") = "6"
    & skf21("6","4","2","7","4","4","5","1") = "6"
    & skf21("6","4","2","7","4","4","6","1") = "6"
    & skf21("6","4","2","7","4","4","7","1") = "6"
    & skf21("6","4","2","7","4","5","1","1") = "6"
    & skf21("6","4","2","7","4","5","2","1") = "6"
    & skf21("6","4","2","7","4","5","3","1") = "6"
    & skf21("6","4","2","7","4","5","4","1") = "6"
    & skf21("6","4","2","7","4","5","5","1") = "6"
    & skf21("6","4","2","7","4","5","6","1") = "6"
    & skf21("6","4","2","7","4","5","7","1") = "6"
    & skf21("6","4","2","7","4","6","1","1") = "6"
    & skf21("6","4","2","7","4","6","2","1") = "6"
    & skf21("6","4","2","7","4","6","3","1") = "6"
    & skf21("6","4","2","7","4","6","4","1") = "6"
    & skf21("6","4","2","7","4","6","5","1") = "6"
    & skf21("6","4","2","7","4","6","6","1") = "6"
    & skf21("6","4","2","7","4","6","7","1") = "6"
    & skf21("6","4","2","7","4","7","1","1") = "6"
    & skf21("6","4","2","7","4","7","2","1") = "6"
    & skf21("6","4","2","7","4","7","3","1") = "6"
    & skf21("6","4","2","7","4","7","4","1") = "6"
    & skf21("6","4","2","7","4","7","5","1") = "6"
    & skf21("6","4","2","7","4","7","6","1") = "6"
    & skf21("6","4","2","7","4","7","7","1") = "6"
    & skf21("6","4","2","7","5","1","1","1") = "6"
    & skf21("6","4","2","7","5","1","2","1") = "6"
    & skf21("6","4","2","7","5","1","3","1") = "6"
    & skf21("6","4","2","7","5","1","4","1") = "6"
    & skf21("6","4","2","7","5","1","5","1") = "6"
    & skf21("6","4","2","7","5","1","6","1") = "6"
    & skf21("6","4","2","7","5","1","7","1") = "6"
    & skf21("6","4","2","7","5","2","1","1") = "6"
    & skf21("6","4","2","7","5","2","2","1") = "6"
    & skf21("6","4","2","7","5","2","3","1") = "6"
    & skf21("6","4","2","7","5","2","4","1") = "6"
    & skf21("6","4","2","7","5","2","5","1") = "6"
    & skf21("6","4","2","7","5","2","6","1") = "6"
    & skf21("6","4","2","7","5","2","7","1") = "6"
    & skf21("6","4","2","7","5","3","1","1") = "6"
    & skf21("6","4","2","7","5","3","2","1") = "6"
    & skf21("6","4","2","7","5","3","3","1") = "6"
    & skf21("6","4","2","7","5","3","4","1") = "6"
    & skf21("6","4","2","7","5","3","5","1") = "6"
    & skf21("6","4","2","7","5","3","6","1") = "6"
    & skf21("6","4","2","7","5","3","7","1") = "6"
    & skf21("6","4","2","7","5","4","1","1") = "6"
    & skf21("6","4","2","7","5","4","2","1") = "6"
    & skf21("6","4","2","7","5","4","3","1") = "6"
    & skf21("6","4","2","7","5","4","4","1") = "6"
    & skf21("6","4","2","7","5","4","5","1") = "6"
    & skf21("6","4","2","7","5","4","6","1") = "6"
    & skf21("6","4","2","7","5","4","7","1") = "6"
    & skf21("6","4","2","7","5","5","1","1") = "6"
    & skf21("6","4","2","7","5","5","2","1") = "6"
    & skf21("6","4","2","7","5","5","3","1") = "6"
    & skf21("6","4","2","7","5","5","4","1") = "6"
    & skf21("6","4","2","7","5","5","5","1") = "6"
    & skf21("6","4","2","7","5","5","6","1") = "6"
    & skf21("6","4","2","7","5","5","7","1") = "6"
    & skf21("6","4","2","7","5","6","1","1") = "6"
    & skf21("6","4","2","7","5","6","2","1") = "6"
    & skf21("6","4","2","7","5","6","3","1") = "6"
    & skf21("6","4","2","7","5","6","4","1") = "6"
    & skf21("6","4","2","7","5","6","5","1") = "6"
    & skf21("6","4","2","7","5","6","6","1") = "6"
    & skf21("6","4","2","7","5","6","7","1") = "6"
    & skf21("6","4","2","7","5","7","1","1") = "6"
    & skf21("6","4","2","7","5","7","2","1") = "6"
    & skf21("6","4","2","7","5","7","3","1") = "6"
    & skf21("6","4","2","7","5","7","4","1") = "6"
    & skf21("6","4","2","7","5","7","5","1") = "6"
    & skf21("6","4","2","7","5","7","6","1") = "6"
    & skf21("6","4","2","7","5","7","7","1") = "6"
    & skf21("6","4","2","7","6","1","1","1") = "6"
    & skf21("6","4","2","7","6","1","2","1") = "6"
    & skf21("6","4","2","7","6","1","3","1") = "6"
    & skf21("6","4","2","7","6","1","4","1") = "6"
    & skf21("6","4","2","7","6","1","5","1") = "6"
    & skf21("6","4","2","7","6","1","6","1") = "6"
    & skf21("6","4","2","7","6","1","7","1") = "6"
    & skf21("6","4","2","7","6","2","1","1") = "6"
    & skf21("6","4","2","7","6","2","2","1") = "6"
    & skf21("6","4","2","7","6","2","3","1") = "6"
    & skf21("6","4","2","7","6","2","4","1") = "6"
    & skf21("6","4","2","7","6","2","5","1") = "6"
    & skf21("6","4","2","7","6","2","6","1") = "6"
    & skf21("6","4","2","7","6","2","7","1") = "6"
    & skf21("6","4","2","7","6","3","1","1") = "6"
    & skf21("6","4","2","7","6","3","2","1") = "6"
    & skf21("6","4","2","7","6","3","3","1") = "6"
    & skf21("6","4","2","7","6","3","4","1") = "6"
    & skf21("6","4","2","7","6","3","5","1") = "6"
    & skf21("6","4","2","7","6","3","6","1") = "6"
    & skf21("6","4","2","7","6","3","7","1") = "6"
    & skf21("6","4","2","7","6","4","1","1") = "6"
    & skf21("6","4","2","7","6","4","2","1") = "6"
    & skf21("6","4","2","7","6","4","3","1") = "6"
    & skf21("6","4","2","7","6","4","4","1") = "6"
    & skf21("6","4","2","7","6","4","5","1") = "6"
    & skf21("6","4","2","7","6","4","6","1") = "6"
    & skf21("6","4","2","7","6","4","7","1") = "6"
    & skf21("6","4","2","7","6","5","1","1") = "6"
    & skf21("6","4","2","7","6","5","2","1") = "6"
    & skf21("6","4","2","7","6","5","3","1") = "6"
    & skf21("6","4","2","7","6","5","4","1") = "6"
    & skf21("6","4","2","7","6","5","5","1") = "6"
    & skf21("6","4","2","7","6","5","6","1") = "6"
    & skf21("6","4","2","7","6","5","7","1") = "6"
    & skf21("6","4","2","7","6","6","1","1") = "6"
    & skf21("6","4","2","7","6","6","2","1") = "6"
    & skf21("6","4","2","7","6","6","3","1") = "6"
    & skf21("6","4","2","7","6","6","4","1") = "6"
    & skf21("6","4","2","7","6","6","5","1") = "6"
    & skf21("6","4","2","7","6","6","6","1") = "6"
    & skf21("6","4","2","7","6","6","7","1") = "6"
    & skf21("6","4","2","7","6","7","1","1") = "6"
    & skf21("6","4","2","7","6","7","2","1") = "6"
    & skf21("6","4","2","7","6","7","3","1") = "6"
    & skf21("6","4","2","7","6","7","4","1") = "6"
    & skf21("6","4","2","7","6","7","5","1") = "6"
    & skf21("6","4","2","7","6","7","6","1") = "6"
    & skf21("6","4","2","7","6","7","7","1") = "6"
    & skf21("6","4","2","7","7","1","1","1") = "6"
    & skf21("6","4","2","7","7","1","2","1") = "6"
    & skf21("6","4","2","7","7","1","3","1") = "6"
    & skf21("6","4","2","7","7","1","4","1") = "6"
    & skf21("6","4","2","7","7","1","5","1") = "6"
    & skf21("6","4","2","7","7","1","6","1") = "6"
    & skf21("6","4","2","7","7","1","7","1") = "6"
    & skf21("6","4","2","7","7","2","1","1") = "6"
    & skf21("6","4","2","7","7","2","2","1") = "6"
    & skf21("6","4","2","7","7","2","3","1") = "6"
    & skf21("6","4","2","7","7","2","4","1") = "6"
    & skf21("6","4","2","7","7","2","5","1") = "6"
    & skf21("6","4","2","7","7","2","6","1") = "6"
    & skf21("6","4","2","7","7","2","7","1") = "6"
    & skf21("6","4","2","7","7","3","1","1") = "6"
    & skf21("6","4","2","7","7","3","2","1") = "6"
    & skf21("6","4","2","7","7","3","3","1") = "6"
    & skf21("6","4","2","7","7","3","4","1") = "6"
    & skf21("6","4","2","7","7","3","5","1") = "6"
    & skf21("6","4","2","7","7","3","6","1") = "6"
    & skf21("6","4","2","7","7","3","7","1") = "6"
    & skf21("6","4","2","7","7","4","1","1") = "6"
    & skf21("6","4","2","7","7","4","2","1") = "6"
    & skf21("6","4","2","7","7","4","3","1") = "6"
    & skf21("6","4","2","7","7","4","4","1") = "6"
    & skf21("6","4","2","7","7","4","5","1") = "6"
    & skf21("6","4","2","7","7","4","6","1") = "6"
    & skf21("6","4","2","7","7","4","7","1") = "6"
    & skf21("6","4","2","7","7","5","1","1") = "6"
    & skf21("6","4","2","7","7","5","2","1") = "6"
    & skf21("6","4","2","7","7","5","3","1") = "6"
    & skf21("6","4","2","7","7","5","4","1") = "6"
    & skf21("6","4","2","7","7","5","5","1") = "6"
    & skf21("6","4","2","7","7","5","6","1") = "6"
    & skf21("6","4","2","7","7","5","7","1") = "6"
    & skf21("6","4","2","7","7","6","1","1") = "6"
    & skf21("6","4","2","7","7","6","2","1") = "6"
    & skf21("6","4","2","7","7","6","3","1") = "6"
    & skf21("6","4","2","7","7","6","4","1") = "6"
    & skf21("6","4","2","7","7","6","5","1") = "6"
    & skf21("6","4","2","7","7","6","6","1") = "6"
    & skf21("6","4","2","7","7","6","7","1") = "6"
    & skf21("6","4","2","7","7","7","1","1") = "6"
    & skf21("6","4","2","7","7","7","2","1") = "6"
    & skf21("6","4","2","7","7","7","3","1") = "6"
    & skf21("6","4","2","7","7","7","4","1") = "6"
    & skf21("6","4","2","7","7","7","5","1") = "6"
    & skf21("6","4","2","7","7","7","6","1") = "6"
    & skf21("6","4","2","7","7","7","7","1") = "6"
    & skf21("6","4","3","1","1","1","1","1") = "5"
    & skf21("6","4","3","1","1","1","2","1") = "5"
    & skf21("6","4","3","1","1","1","3","1") = "5"
    & skf21("6","4","3","1","1","1","4","1") = "5"
    & skf21("6","4","3","1","1","1","5","1") = "5"
    & skf21("6","4","3","1","1","1","6","1") = "5"
    & skf21("6","4","3","1","1","1","7","1") = "6"
    & skf21("6","4","3","1","1","2","1","1") = "5"
    & skf21("6","4","3","1","1","2","2","1") = "5"
    & skf21("6","4","3","1","1","2","3","1") = "5"
    & skf21("6","4","3","1","1","2","4","1") = "5"
    & skf21("6","4","3","1","1","2","5","1") = "5"
    & skf21("6","4","3","1","1","2","6","1") = "5"
    & skf21("6","4","3","1","1","2","7","1") = "6"
    & skf21("6","4","3","1","1","3","1","1") = "5"
    & skf21("6","4","3","1","1","3","2","1") = "5"
    & skf21("6","4","3","1","1","3","3","1") = "5"
    & skf21("6","4","3","1","1","3","4","1") = "5"
    & skf21("6","4","3","1","1","3","5","1") = "5"
    & skf21("6","4","3","1","1","3","6","1") = "5"
    & skf21("6","4","3","1","1","3","7","1") = "6"
    & skf21("6","4","3","1","1","4","1","1") = "5"
    & skf21("6","4","3","1","1","4","2","1") = "5"
    & skf21("6","4","3","1","1","4","3","1") = "5"
    & skf21("6","4","3","1","1","4","4","1") = "5"
    & skf21("6","4","3","1","1","4","5","1") = "5"
    & skf21("6","4","3","1","1","4","6","1") = "5"
    & skf21("6","4","3","1","1","4","7","1") = "6"
    & skf21("6","4","3","1","1","5","1","1") = "5"
    & skf21("6","4","3","1","1","5","2","1") = "5"
    & skf21("6","4","3","1","1","5","3","1") = "5"
    & skf21("6","4","3","1","1","5","4","1") = "5"
    & skf21("6","4","3","1","1","5","5","1") = "5"
    & skf21("6","4","3","1","1","5","6","1") = "5"
    & skf21("6","4","3","1","1","5","7","1") = "6"
    & skf21("6","4","3","1","1","6","1","1") = "5"
    & skf21("6","4","3","1","1","6","2","1") = "5"
    & skf21("6","4","3","1","1","6","3","1") = "5"
    & skf21("6","4","3","1","1","6","4","1") = "5"
    & skf21("6","4","3","1","1","6","5","1") = "5"
    & skf21("6","4","3","1","1","6","6","1") = "5"
    & skf21("6","4","3","1","1","6","7","1") = "6"
    & skf21("6","4","3","1","1","7","1","1") = "6"
    & skf21("6","4","3","1","1","7","2","1") = "6"
    & skf21("6","4","3","1","1","7","3","1") = "6"
    & skf21("6","4","3","1","1","7","4","1") = "6"
    & skf21("6","4","3","1","1","7","5","1") = "6"
    & skf21("6","4","3","1","1","7","6","1") = "6"
    & skf21("6","4","3","1","1","7","7","1") = "6"
    & skf21("6","4","3","1","2","1","1","1") = "5"
    & skf21("6","4","3","1","2","1","2","1") = "5"
    & skf21("6","4","3","1","2","1","3","1") = "5"
    & skf21("6","4","3","1","2","1","4","1") = "5"
    & skf21("6","4","3","1","2","1","5","1") = "5"
    & skf21("6","4","3","1","2","1","6","1") = "5"
    & skf21("6","4","3","1","2","1","7","1") = "6"
    & skf21("6","4","3","1","2","2","1","1") = "5"
    & skf21("6","4","3","1","2","2","2","1") = "5"
    & skf21("6","4","3","1","2","2","3","1") = "5"
    & skf21("6","4","3","1","2","2","4","1") = "5"
    & skf21("6","4","3","1","2","2","5","1") = "5"
    & skf21("6","4","3","1","2","2","6","1") = "5"
    & skf21("6","4","3","1","2","2","7","1") = "6"
    & skf21("6","4","3","1","2","3","1","1") = "5"
    & skf21("6","4","3","1","2","3","2","1") = "5"
    & skf21("6","4","3","1","2","3","3","1") = "5"
    & skf21("6","4","3","1","2","3","4","1") = "5"
    & skf21("6","4","3","1","2","3","5","1") = "5"
    & skf21("6","4","3","1","2","3","6","1") = "5"
    & skf21("6","4","3","1","2","3","7","1") = "6"
    & skf21("6","4","3","1","2","4","1","1") = "5"
    & skf21("6","4","3","1","2","4","2","1") = "5"
    & skf21("6","4","3","1","2","4","3","1") = "5"
    & skf21("6","4","3","1","2","4","4","1") = "5"
    & skf21("6","4","3","1","2","4","5","1") = "5"
    & skf21("6","4","3","1","2","4","6","1") = "5"
    & skf21("6","4","3","1","2","4","7","1") = "6"
    & skf21("6","4","3","1","2","5","1","1") = "5"
    & skf21("6","4","3","1","2","5","2","1") = "5"
    & skf21("6","4","3","1","2","5","3","1") = "5"
    & skf21("6","4","3","1","2","5","4","1") = "5"
    & skf21("6","4","3","1","2","5","5","1") = "5"
    & skf21("6","4","3","1","2","5","6","1") = "5"
    & skf21("6","4","3","1","2","5","7","1") = "6"
    & skf21("6","4","3","1","2","6","1","1") = "5"
    & skf21("6","4","3","1","2","6","2","1") = "5"
    & skf21("6","4","3","1","2","6","3","1") = "5"
    & skf21("6","4","3","1","2","6","4","1") = "5"
    & skf21("6","4","3","1","2","6","5","1") = "5"
    & skf21("6","4","3","1","2","6","6","1") = "5"
    & skf21("6","4","3","1","2","6","7","1") = "6"
    & skf21("6","4","3","1","2","7","1","1") = "6"
    & skf21("6","4","3","1","2","7","2","1") = "6"
    & skf21("6","4","3","1","2","7","3","1") = "6"
    & skf21("6","4","3","1","2","7","4","1") = "6"
    & skf21("6","4","3","1","2","7","5","1") = "6"
    & skf21("6","4","3","1","2","7","6","1") = "6"
    & skf21("6","4","3","1","2","7","7","1") = "6"
    & skf21("6","4","3","1","3","1","1","1") = "5"
    & skf21("6","4","3","1","3","1","2","1") = "5"
    & skf21("6","4","3","1","3","1","3","1") = "5"
    & skf21("6","4","3","1","3","1","4","1") = "5"
    & skf21("6","4","3","1","3","1","5","1") = "5"
    & skf21("6","4","3","1","3","1","6","1") = "5"
    & skf21("6","4","3","1","3","1","7","1") = "6"
    & skf21("6","4","3","1","3","2","1","1") = "5"
    & skf21("6","4","3","1","3","2","2","1") = "5"
    & skf21("6","4","3","1","3","2","3","1") = "5"
    & skf21("6","4","3","1","3","2","4","1") = "5"
    & skf21("6","4","3","1","3","2","5","1") = "5"
    & skf21("6","4","3","1","3","2","6","1") = "5"
    & skf21("6","4","3","1","3","2","7","1") = "6"
    & skf21("6","4","3","1","3","3","1","1") = "5"
    & skf21("6","4","3","1","3","3","2","1") = "5"
    & skf21("6","4","3","1","3","3","3","1") = "5"
    & skf21("6","4","3","1","3","3","4","1") = "5"
    & skf21("6","4","3","1","3","3","5","1") = "5"
    & skf21("6","4","3","1","3","3","6","1") = "5"
    & skf21("6","4","3","1","3","3","7","1") = "6"
    & skf21("6","4","3","1","3","4","1","1") = "5"
    & skf21("6","4","3","1","3","4","2","1") = "5"
    & skf21("6","4","3","1","3","4","3","1") = "5"
    & skf21("6","4","3","1","3","4","4","1") = "5"
    & skf21("6","4","3","1","3","4","5","1") = "5"
    & skf21("6","4","3","1","3","4","6","1") = "5"
    & skf21("6","4","3","1","3","4","7","1") = "6"
    & skf21("6","4","3","1","3","5","1","1") = "5"
    & skf21("6","4","3","1","3","5","2","1") = "5"
    & skf21("6","4","3","1","3","5","3","1") = "5"
    & skf21("6","4","3","1","3","5","4","1") = "5"
    & skf21("6","4","3","1","3","5","5","1") = "5"
    & skf21("6","4","3","1","3","5","6","1") = "5"
    & skf21("6","4","3","1","3","5","7","1") = "6"
    & skf21("6","4","3","1","3","6","1","1") = "5"
    & skf21("6","4","3","1","3","6","2","1") = "5"
    & skf21("6","4","3","1","3","6","3","1") = "5"
    & skf21("6","4","3","1","3","6","4","1") = "5"
    & skf21("6","4","3","1","3","6","5","1") = "5"
    & skf21("6","4","3","1","3","6","6","1") = "5"
    & skf21("6","4","3","1","3","6","7","1") = "6"
    & skf21("6","4","3","1","3","7","1","1") = "6"
    & skf21("6","4","3","1","3","7","2","1") = "6"
    & skf21("6","4","3","1","3","7","3","1") = "6"
    & skf21("6","4","3","1","3","7","4","1") = "6"
    & skf21("6","4","3","1","3","7","5","1") = "6"
    & skf21("6","4","3","1","3","7","6","1") = "6"
    & skf21("6","4","3","1","3","7","7","1") = "6"
    & skf21("6","4","3","1","4","1","1","1") = "5"
    & skf21("6","4","3","1","4","1","2","1") = "5"
    & skf21("6","4","3","1","4","1","3","1") = "5"
    & skf21("6","4","3","1","4","1","4","1") = "5"
    & skf21("6","4","3","1","4","1","5","1") = "5"
    & skf21("6","4","3","1","4","1","6","1") = "5"
    & skf21("6","4","3","1","4","1","7","1") = "6"
    & skf21("6","4","3","1","4","2","1","1") = "5"
    & skf21("6","4","3","1","4","2","2","1") = "5"
    & skf21("6","4","3","1","4","2","3","1") = "5"
    & skf21("6","4","3","1","4","2","4","1") = "5"
    & skf21("6","4","3","1","4","2","5","1") = "5"
    & skf21("6","4","3","1","4","2","6","1") = "5"
    & skf21("6","4","3","1","4","2","7","1") = "6"
    & skf21("6","4","3","1","4","3","1","1") = "5"
    & skf21("6","4","3","1","4","3","2","1") = "5"
    & skf21("6","4","3","1","4","3","3","1") = "5"
    & skf21("6","4","3","1","4","3","4","1") = "5"
    & skf21("6","4","3","1","4","3","5","1") = "5"
    & skf21("6","4","3","1","4","3","6","1") = "5"
    & skf21("6","4","3","1","4","3","7","1") = "6"
    & skf21("6","4","3","1","4","4","1","1") = "5"
    & skf21("6","4","3","1","4","4","2","1") = "5"
    & skf21("6","4","3","1","4","4","3","1") = "5"
    & skf21("6","4","3","1","4","4","4","1") = "5"
    & skf21("6","4","3","1","4","4","5","1") = "5"
    & skf21("6","4","3","1","4","4","6","1") = "5"
    & skf21("6","4","3","1","4","4","7","1") = "6"
    & skf21("6","4","3","1","4","5","1","1") = "5"
    & skf21("6","4","3","1","4","5","2","1") = "5"
    & skf21("6","4","3","1","4","5","3","1") = "5"
    & skf21("6","4","3","1","4","5","4","1") = "5"
    & skf21("6","4","3","1","4","5","5","1") = "5"
    & skf21("6","4","3","1","4","5","6","1") = "5"
    & skf21("6","4","3","1","4","5","7","1") = "6"
    & skf21("6","4","3","1","4","6","1","1") = "5"
    & skf21("6","4","3","1","4","6","2","1") = "5"
    & skf21("6","4","3","1","4","6","3","1") = "5"
    & skf21("6","4","3","1","4","6","4","1") = "5"
    & skf21("6","4","3","1","4","6","5","1") = "5"
    & skf21("6","4","3","1","4","6","6","1") = "5"
    & skf21("6","4","3","1","4","6","7","1") = "6"
    & skf21("6","4","3","1","4","7","1","1") = "6"
    & skf21("6","4","3","1","4","7","2","1") = "6"
    & skf21("6","4","3","1","4","7","3","1") = "6"
    & skf21("6","4","3","1","4","7","4","1") = "6"
    & skf21("6","4","3","1","4","7","5","1") = "6"
    & skf21("6","4","3","1","4","7","6","1") = "6"
    & skf21("6","4","3","1","4","7","7","1") = "6"
    & skf21("6","4","3","1","5","1","1","1") = "5"
    & skf21("6","4","3","1","5","1","2","1") = "5"
    & skf21("6","4","3","1","5","1","3","1") = "5"
    & skf21("6","4","3","1","5","1","4","1") = "5"
    & skf21("6","4","3","1","5","1","5","1") = "5"
    & skf21("6","4","3","1","5","1","6","1") = "5"
    & skf21("6","4","3","1","5","1","7","1") = "6"
    & skf21("6","4","3","1","5","2","1","1") = "5"
    & skf21("6","4","3","1","5","2","2","1") = "5"
    & skf21("6","4","3","1","5","2","3","1") = "5"
    & skf21("6","4","3","1","5","2","4","1") = "5"
    & skf21("6","4","3","1","5","2","5","1") = "5"
    & skf21("6","4","3","1","5","2","6","1") = "5"
    & skf21("6","4","3","1","5","2","7","1") = "6"
    & skf21("6","4","3","1","5","3","1","1") = "5"
    & skf21("6","4","3","1","5","3","2","1") = "5"
    & skf21("6","4","3","1","5","3","3","1") = "5"
    & skf21("6","4","3","1","5","3","4","1") = "5"
    & skf21("6","4","3","1","5","3","5","1") = "5"
    & skf21("6","4","3","1","5","3","6","1") = "5"
    & skf21("6","4","3","1","5","3","7","1") = "6"
    & skf21("6","4","3","1","5","4","1","1") = "5"
    & skf21("6","4","3","1","5","4","2","1") = "5"
    & skf21("6","4","3","1","5","4","3","1") = "5"
    & skf21("6","4","3","1","5","4","4","1") = "5"
    & skf21("6","4","3","1","5","4","5","1") = "5"
    & skf21("6","4","3","1","5","4","6","1") = "5"
    & skf21("6","4","3","1","5","4","7","1") = "6"
    & skf21("6","4","3","1","5","5","1","1") = "5"
    & skf21("6","4","3","1","5","5","2","1") = "5"
    & skf21("6","4","3","1","5","5","3","1") = "5"
    & skf21("6","4","3","1","5","5","4","1") = "5"
    & skf21("6","4","3","1","5","5","5","1") = "5"
    & skf21("6","4","3","1","5","5","6","1") = "5"
    & skf21("6","4","3","1","5","5","7","1") = "6"
    & skf21("6","4","3","1","5","6","1","1") = "5"
    & skf21("6","4","3","1","5","6","2","1") = "5"
    & skf21("6","4","3","1","5","6","3","1") = "5"
    & skf21("6","4","3","1","5","6","4","1") = "5"
    & skf21("6","4","3","1","5","6","5","1") = "5"
    & skf21("6","4","3","1","5","6","6","1") = "5"
    & skf21("6","4","3","1","5","6","7","1") = "6"
    & skf21("6","4","3","1","5","7","1","1") = "6"
    & skf21("6","4","3","1","5","7","2","1") = "6"
    & skf21("6","4","3","1","5","7","3","1") = "6"
    & skf21("6","4","3","1","5","7","4","1") = "6"
    & skf21("6","4","3","1","5","7","5","1") = "6"
    & skf21("6","4","3","1","5","7","6","1") = "6"
    & skf21("6","4","3","1","5","7","7","1") = "6"
    & skf21("6","4","3","1","6","1","1","1") = "5"
    & skf21("6","4","3","1","6","1","2","1") = "5"
    & skf21("6","4","3","1","6","1","3","1") = "5"
    & skf21("6","4","3","1","6","1","4","1") = "5"
    & skf21("6","4","3","1","6","1","5","1") = "5"
    & skf21("6","4","3","1","6","1","6","1") = "5"
    & skf21("6","4","3","1","6","1","7","1") = "6"
    & skf21("6","4","3","1","6","2","1","1") = "5"
    & skf21("6","4","3","1","6","2","2","1") = "5"
    & skf21("6","4","3","1","6","2","3","1") = "5"
    & skf21("6","4","3","1","6","2","4","1") = "5"
    & skf21("6","4","3","1","6","2","5","1") = "5"
    & skf21("6","4","3","1","6","2","6","1") = "5"
    & skf21("6","4","3","1","6","2","7","1") = "6"
    & skf21("6","4","3","1","6","3","1","1") = "5"
    & skf21("6","4","3","1","6","3","2","1") = "5"
    & skf21("6","4","3","1","6","3","3","1") = "5"
    & skf21("6","4","3","1","6","3","4","1") = "5"
    & skf21("6","4","3","1","6","3","5","1") = "5"
    & skf21("6","4","3","1","6","3","6","1") = "5"
    & skf21("6","4","3","1","6","3","7","1") = "6"
    & skf21("6","4","3","1","6","4","1","1") = "5"
    & skf21("6","4","3","1","6","4","2","1") = "5"
    & skf21("6","4","3","1","6","4","3","1") = "5"
    & skf21("6","4","3","1","6","4","4","1") = "5"
    & skf21("6","4","3","1","6","4","5","1") = "5"
    & skf21("6","4","3","1","6","4","6","1") = "5"
    & skf21("6","4","3","1","6","4","7","1") = "6"
    & skf21("6","4","3","1","6","5","1","1") = "5"
    & skf21("6","4","3","1","6","5","2","1") = "5"
    & skf21("6","4","3","1","6","5","3","1") = "5"
    & skf21("6","4","3","1","6","5","4","1") = "5"
    & skf21("6","4","3","1","6","5","5","1") = "5"
    & skf21("6","4","3","1","6","5","6","1") = "5"
    & skf21("6","4","3","1","6","5","7","1") = "6"
    & skf21("6","4","3","1","6","6","1","1") = "5"
    & skf21("6","4","3","1","6","6","2","1") = "5"
    & skf21("6","4","3","1","6","6","3","1") = "5"
    & skf21("6","4","3","1","6","6","4","1") = "5"
    & skf21("6","4","3","1","6","6","5","1") = "5"
    & skf21("6","4","3","1","6","6","6","1") = "5"
    & skf21("6","4","3","1","6","6","7","1") = "6"
    & skf21("6","4","3","1","6","7","1","1") = "6"
    & skf21("6","4","3","1","6","7","2","1") = "6"
    & skf21("6","4","3","1","6","7","3","1") = "6"
    & skf21("6","4","3","1","6","7","4","1") = "6"
    & skf21("6","4","3","1","6","7","5","1") = "6"
    & skf21("6","4","3","1","6","7","6","1") = "6"
    & skf21("6","4","3","1","6","7","7","1") = "6"
    & skf21("6","4","3","1","7","1","1","1") = "6"
    & skf21("6","4","3","1","7","1","2","1") = "6"
    & skf21("6","4","3","1","7","1","3","1") = "6"
    & skf21("6","4","3","1","7","1","4","1") = "6"
    & skf21("6","4","3","1","7","1","5","1") = "6"
    & skf21("6","4","3","1","7","1","6","1") = "6"
    & skf21("6","4","3","1","7","1","7","1") = "6"
    & skf21("6","4","3","1","7","2","1","1") = "6"
    & skf21("6","4","3","1","7","2","2","1") = "6"
    & skf21("6","4","3","1","7","2","3","1") = "6"
    & skf21("6","4","3","1","7","2","4","1") = "6"
    & skf21("6","4","3","1","7","2","5","1") = "6"
    & skf21("6","4","3","1","7","2","6","1") = "6"
    & skf21("6","4","3","1","7","2","7","1") = "6"
    & skf21("6","4","3","1","7","3","1","1") = "6"
    & skf21("6","4","3","1","7","3","2","1") = "6"
    & skf21("6","4","3","1","7","3","3","1") = "6"
    & skf21("6","4","3","1","7","3","4","1") = "6"
    & skf21("6","4","3","1","7","3","5","1") = "6"
    & skf21("6","4","3","1","7","3","6","1") = "6"
    & skf21("6","4","3","1","7","3","7","1") = "6"
    & skf21("6","4","3","1","7","4","1","1") = "6"
    & skf21("6","4","3","1","7","4","2","1") = "6"
    & skf21("6","4","3","1","7","4","3","1") = "6"
    & skf21("6","4","3","1","7","4","4","1") = "6"
    & skf21("6","4","3","1","7","4","5","1") = "6"
    & skf21("6","4","3","1","7","4","6","1") = "6"
    & skf21("6","4","3","1","7","4","7","1") = "6"
    & skf21("6","4","3","1","7","5","1","1") = "6"
    & skf21("6","4","3","1","7","5","2","1") = "6"
    & skf21("6","4","3","1","7","5","3","1") = "6"
    & skf21("6","4","3","1","7","5","4","1") = "6"
    & skf21("6","4","3","1","7","5","5","1") = "6"
    & skf21("6","4","3","1","7","5","6","1") = "6"
    & skf21("6","4","3","1","7","5","7","1") = "6"
    & skf21("6","4","3","1","7","6","1","1") = "6"
    & skf21("6","4","3","1","7","6","2","1") = "6"
    & skf21("6","4","3","1","7","6","3","1") = "6"
    & skf21("6","4","3","1","7","6","4","1") = "6"
    & skf21("6","4","3","1","7","6","5","1") = "6"
    & skf21("6","4","3","1","7","6","6","1") = "6"
    & skf21("6","4","3","1","7","6","7","1") = "6"
    & skf21("6","4","3","1","7","7","1","1") = "6"
    & skf21("6","4","3","1","7","7","2","1") = "6"
    & skf21("6","4","3","1","7","7","3","1") = "6"
    & skf21("6","4","3","1","7","7","4","1") = "6"
    & skf21("6","4","3","1","7","7","5","1") = "6"
    & skf21("6","4","3","1","7","7","6","1") = "6"
    & skf21("6","4","3","1","7","7","7","1") = "6"
    & skf21("6","4","3","2","1","1","1","1") = "5"
    & skf21("6","4","3","2","1","1","2","1") = "5"
    & skf21("6","4","3","2","1","1","3","1") = "5"
    & skf21("6","4","3","2","1","1","4","1") = "5"
    & skf21("6","4","3","2","1","1","5","1") = "5"
    & skf21("6","4","3","2","1","1","6","1") = "5"
    & skf21("6","4","3","2","1","1","7","1") = "6"
    & skf21("6","4","3","2","1","2","1","1") = "5"
    & skf21("6","4","3","2","1","2","2","1") = "5"
    & skf21("6","4","3","2","1","2","3","1") = "5"
    & skf21("6","4","3","2","1","2","4","1") = "5"
    & skf21("6","4","3","2","1","2","5","1") = "5"
    & skf21("6","4","3","2","1","2","6","1") = "5"
    & skf21("6","4","3","2","1","2","7","1") = "6"
    & skf21("6","4","3","2","1","3","1","1") = "5"
    & skf21("6","4","3","2","1","3","2","1") = "5"
    & skf21("6","4","3","2","1","3","3","1") = "5"
    & skf21("6","4","3","2","1","3","4","1") = "5"
    & skf21("6","4","3","2","1","3","5","1") = "5"
    & skf21("6","4","3","2","1","3","6","1") = "5"
    & skf21("6","4","3","2","1","3","7","1") = "6"
    & skf21("6","4","3","2","1","4","1","1") = "5"
    & skf21("6","4","3","2","1","4","2","1") = "5"
    & skf21("6","4","3","2","1","4","3","1") = "5"
    & skf21("6","4","3","2","1","4","4","1") = "5"
    & skf21("6","4","3","2","1","4","5","1") = "5"
    & skf21("6","4","3","2","1","4","6","1") = "5"
    & skf21("6","4","3","2","1","4","7","1") = "6"
    & skf21("6","4","3","2","1","5","1","1") = "5"
    & skf21("6","4","3","2","1","5","2","1") = "5"
    & skf21("6","4","3","2","1","5","3","1") = "5"
    & skf21("6","4","3","2","1","5","4","1") = "5"
    & skf21("6","4","3","2","1","5","5","1") = "5"
    & skf21("6","4","3","2","1","5","6","1") = "5"
    & skf21("6","4","3","2","1","5","7","1") = "6"
    & skf21("6","4","3","2","1","6","1","1") = "5"
    & skf21("6","4","3","2","1","6","2","1") = "5"
    & skf21("6","4","3","2","1","6","3","1") = "5"
    & skf21("6","4","3","2","1","6","4","1") = "5"
    & skf21("6","4","3","2","1","6","5","1") = "5"
    & skf21("6","4","3","2","1","6","6","1") = "5"
    & skf21("6","4","3","2","1","6","7","1") = "6"
    & skf21("6","4","3","2","1","7","1","1") = "6"
    & skf21("6","4","3","2","1","7","2","1") = "6"
    & skf21("6","4","3","2","1","7","3","1") = "6"
    & skf21("6","4","3","2","1","7","4","1") = "6"
    & skf21("6","4","3","2","1","7","5","1") = "6"
    & skf21("6","4","3","2","1","7","6","1") = "6"
    & skf21("6","4","3","2","1","7","7","1") = "6"
    & skf21("6","4","3","2","2","1","1","1") = "5"
    & skf21("6","4","3","2","2","1","2","1") = "5"
    & skf21("6","4","3","2","2","1","3","1") = "5"
    & skf21("6","4","3","2","2","1","4","1") = "5"
    & skf21("6","4","3","2","2","1","5","1") = "5"
    & skf21("6","4","3","2","2","1","6","1") = "5"
    & skf21("6","4","3","2","2","1","7","1") = "6"
    & skf21("6","4","3","2","2","2","1","1") = "5"
    & skf21("6","4","3","2","2","2","2","1") = "5"
    & skf21("6","4","3","2","2","2","3","1") = "5"
    & skf21("6","4","3","2","2","2","4","1") = "5"
    & skf21("6","4","3","2","2","2","5","1") = "5"
    & skf21("6","4","3","2","2","2","6","1") = "5"
    & skf21("6","4","3","2","2","2","7","1") = "6"
    & skf21("6","4","3","2","2","3","1","1") = "5"
    & skf21("6","4","3","2","2","3","2","1") = "5"
    & skf21("6","4","3","2","2","3","3","1") = "5"
    & skf21("6","4","3","2","2","3","4","1") = "5"
    & skf21("6","4","3","2","2","3","5","1") = "5"
    & skf21("6","4","3","2","2","3","6","1") = "5"
    & skf21("6","4","3","2","2","3","7","1") = "6"
    & skf21("6","4","3","2","2","4","1","1") = "5"
    & skf21("6","4","3","2","2","4","2","1") = "5"
    & skf21("6","4","3","2","2","4","3","1") = "5"
    & skf21("6","4","3","2","2","4","4","1") = "5"
    & skf21("6","4","3","2","2","4","5","1") = "5"
    & skf21("6","4","3","2","2","4","6","1") = "5"
    & skf21("6","4","3","2","2","4","7","1") = "6"
    & skf21("6","4","3","2","2","5","1","1") = "5"
    & skf21("6","4","3","2","2","5","2","1") = "5"
    & skf21("6","4","3","2","2","5","3","1") = "5"
    & skf21("6","4","3","2","2","5","4","1") = "5"
    & skf21("6","4","3","2","2","5","5","1") = "5"
    & skf21("6","4","3","2","2","5","6","1") = "5"
    & skf21("6","4","3","2","2","5","7","1") = "6"
    & skf21("6","4","3","2","2","6","1","1") = "5"
    & skf21("6","4","3","2","2","6","2","1") = "5"
    & skf21("6","4","3","2","2","6","3","1") = "5"
    & skf21("6","4","3","2","2","6","4","1") = "5"
    & skf21("6","4","3","2","2","6","5","1") = "5"
    & skf21("6","4","3","2","2","6","6","1") = "5"
    & skf21("6","4","3","2","2","6","7","1") = "6"
    & skf21("6","4","3","2","2","7","1","1") = "6"
    & skf21("6","4","3","2","2","7","2","1") = "6"
    & skf21("6","4","3","2","2","7","3","1") = "6"
    & skf21("6","4","3","2","2","7","4","1") = "6"
    & skf21("6","4","3","2","2","7","5","1") = "6"
    & skf21("6","4","3","2","2","7","6","1") = "6"
    & skf21("6","4","3","2","2","7","7","1") = "6"
    & skf21("6","4","3","2","3","1","1","1") = "5"
    & skf21("6","4","3","2","3","1","2","1") = "5"
    & skf21("6","4","3","2","3","1","3","1") = "5"
    & skf21("6","4","3","2","3","1","4","1") = "5"
    & skf21("6","4","3","2","3","1","5","1") = "5"
    & skf21("6","4","3","2","3","1","6","1") = "5"
    & skf21("6","4","3","2","3","1","7","1") = "6"
    & skf21("6","4","3","2","3","2","1","1") = "5"
    & skf21("6","4","3","2","3","2","2","1") = "5"
    & skf21("6","4","3","2","3","2","3","1") = "5"
    & skf21("6","4","3","2","3","2","4","1") = "5"
    & skf21("6","4","3","2","3","2","5","1") = "5"
    & skf21("6","4","3","2","3","2","6","1") = "5"
    & skf21("6","4","3","2","3","2","7","1") = "6"
    & skf21("6","4","3","2","3","3","1","1") = "5"
    & skf21("6","4","3","2","3","3","2","1") = "5"
    & skf21("6","4","3","2","3","3","3","1") = "5"
    & skf21("6","4","3","2","3","3","4","1") = "5"
    & skf21("6","4","3","2","3","3","5","1") = "5"
    & skf21("6","4","3","2","3","3","6","1") = "5"
    & skf21("6","4","3","2","3","3","7","1") = "6"
    & skf21("6","4","3","2","3","4","1","1") = "5"
    & skf21("6","4","3","2","3","4","2","1") = "5"
    & skf21("6","4","3","2","3","4","3","1") = "5"
    & skf21("6","4","3","2","3","4","4","1") = "5"
    & skf21("6","4","3","2","3","4","5","1") = "5"
    & skf21("6","4","3","2","3","4","6","1") = "5"
    & skf21("6","4","3","2","3","4","7","1") = "6"
    & skf21("6","4","3","2","3","5","1","1") = "5"
    & skf21("6","4","3","2","3","5","2","1") = "5"
    & skf21("6","4","3","2","3","5","3","1") = "5"
    & skf21("6","4","3","2","3","5","4","1") = "5"
    & skf21("6","4","3","2","3","5","5","1") = "5"
    & skf21("6","4","3","2","3","5","6","1") = "5"
    & skf21("6","4","3","2","3","5","7","1") = "6"
    & skf21("6","4","3","2","3","6","1","1") = "5"
    & skf21("6","4","3","2","3","6","2","1") = "5"
    & skf21("6","4","3","2","3","6","3","1") = "5"
    & skf21("6","4","3","2","3","6","4","1") = "5"
    & skf21("6","4","3","2","3","6","5","1") = "5"
    & skf21("6","4","3","2","3","6","6","1") = "5"
    & skf21("6","4","3","2","3","6","7","1") = "6"
    & skf21("6","4","3","2","3","7","1","1") = "6"
    & skf21("6","4","3","2","3","7","2","1") = "6"
    & skf21("6","4","3","2","3","7","3","1") = "6"
    & skf21("6","4","3","2","3","7","4","1") = "6"
    & skf21("6","4","3","2","3","7","5","1") = "6"
    & skf21("6","4","3","2","3","7","6","1") = "6"
    & skf21("6","4","3","2","3","7","7","1") = "6"
    & skf21("6","4","3","2","4","1","1","1") = "5"
    & skf21("6","4","3","2","4","1","2","1") = "5"
    & skf21("6","4","3","2","4","1","3","1") = "5"
    & skf21("6","4","3","2","4","1","4","1") = "5"
    & skf21("6","4","3","2","4","1","5","1") = "5"
    & skf21("6","4","3","2","4","1","6","1") = "5"
    & skf21("6","4","3","2","4","1","7","1") = "6"
    & skf21("6","4","3","2","4","2","1","1") = "5"
    & skf21("6","4","3","2","4","2","2","1") = "5"
    & skf21("6","4","3","2","4","2","3","1") = "5"
    & skf21("6","4","3","2","4","2","4","1") = "5"
    & skf21("6","4","3","2","4","2","5","1") = "5"
    & skf21("6","4","3","2","4","2","6","1") = "5"
    & skf21("6","4","3","2","4","2","7","1") = "6"
    & skf21("6","4","3","2","4","3","1","1") = "5"
    & skf21("6","4","3","2","4","3","2","1") = "5"
    & skf21("6","4","3","2","4","3","3","1") = "5"
    & skf21("6","4","3","2","4","3","4","1") = "5"
    & skf21("6","4","3","2","4","3","5","1") = "5"
    & skf21("6","4","3","2","4","3","6","1") = "5"
    & skf21("6","4","3","2","4","3","7","1") = "6"
    & skf21("6","4","3","2","4","4","1","1") = "5"
    & skf21("6","4","3","2","4","4","2","1") = "5"
    & skf21("6","4","3","2","4","4","3","1") = "5"
    & skf21("6","4","3","2","4","4","4","1") = "5"
    & skf21("6","4","3","2","4","4","5","1") = "5"
    & skf21("6","4","3","2","4","4","6","1") = "5"
    & skf21("6","4","3","2","4","4","7","1") = "6"
    & skf21("6","4","3","2","4","5","1","1") = "5"
    & skf21("6","4","3","2","4","5","2","1") = "5"
    & skf21("6","4","3","2","4","5","3","1") = "5"
    & skf21("6","4","3","2","4","5","4","1") = "5"
    & skf21("6","4","3","2","4","5","5","1") = "5"
    & skf21("6","4","3","2","4","5","6","1") = "5"
    & skf21("6","4","3","2","4","5","7","1") = "6"
    & skf21("6","4","3","2","4","6","1","1") = "5"
    & skf21("6","4","3","2","4","6","2","1") = "5"
    & skf21("6","4","3","2","4","6","3","1") = "5"
    & skf21("6","4","3","2","4","6","4","1") = "5"
    & skf21("6","4","3","2","4","6","5","1") = "5"
    & skf21("6","4","3","2","4","6","6","1") = "5"
    & skf21("6","4","3","2","4","6","7","1") = "6"
    & skf21("6","4","3","2","4","7","1","1") = "6"
    & skf21("6","4","3","2","4","7","2","1") = "6"
    & skf21("6","4","3","2","4","7","3","1") = "6"
    & skf21("6","4","3","2","4","7","4","1") = "6"
    & skf21("6","4","3","2","4","7","5","1") = "6"
    & skf21("6","4","3","2","4","7","6","1") = "6"
    & skf21("6","4","3","2","4","7","7","1") = "6"
    & skf21("6","4","3","2","5","1","1","1") = "5"
    & skf21("6","4","3","2","5","1","2","1") = "5"
    & skf21("6","4","3","2","5","1","3","1") = "5"
    & skf21("6","4","3","2","5","1","4","1") = "5"
    & skf21("6","4","3","2","5","1","5","1") = "5"
    & skf21("6","4","3","2","5","1","6","1") = "5"
    & skf21("6","4","3","2","5","1","7","1") = "6"
    & skf21("6","4","3","2","5","2","1","1") = "5"
    & skf21("6","4","3","2","5","2","2","1") = "5"
    & skf21("6","4","3","2","5","2","3","1") = "5"
    & skf21("6","4","3","2","5","2","4","1") = "5"
    & skf21("6","4","3","2","5","2","5","1") = "5"
    & skf21("6","4","3","2","5","2","6","1") = "5"
    & skf21("6","4","3","2","5","2","7","1") = "6"
    & skf21("6","4","3","2","5","3","1","1") = "5"
    & skf21("6","4","3","2","5","3","2","1") = "5"
    & skf21("6","4","3","2","5","3","3","1") = "5"
    & skf21("6","4","3","2","5","3","4","1") = "5"
    & skf21("6","4","3","2","5","3","5","1") = "5"
    & skf21("6","4","3","2","5","3","6","1") = "5"
    & skf21("6","4","3","2","5","3","7","1") = "6"
    & skf21("6","4","3","2","5","4","1","1") = "5"
    & skf21("6","4","3","2","5","4","2","1") = "5"
    & skf21("6","4","3","2","5","4","3","1") = "5"
    & skf21("6","4","3","2","5","4","4","1") = "5"
    & skf21("6","4","3","2","5","4","5","1") = "5"
    & skf21("6","4","3","2","5","4","6","1") = "5"
    & skf21("6","4","3","2","5","4","7","1") = "6"
    & skf21("6","4","3","2","5","5","1","1") = "5"
    & skf21("6","4","3","2","5","5","2","1") = "5"
    & skf21("6","4","3","2","5","5","3","1") = "5"
    & skf21("6","4","3","2","5","5","4","1") = "5"
    & skf21("6","4","3","2","5","5","5","1") = "5"
    & skf21("6","4","3","2","5","5","6","1") = "5"
    & skf21("6","4","3","2","5","5","7","1") = "6"
    & skf21("6","4","3","2","5","6","1","1") = "5"
    & skf21("6","4","3","2","5","6","2","1") = "5"
    & skf21("6","4","3","2","5","6","3","1") = "5"
    & skf21("6","4","3","2","5","6","4","1") = "5"
    & skf21("6","4","3","2","5","6","5","1") = "5"
    & skf21("6","4","3","2","5","6","6","1") = "5"
    & skf21("6","4","3","2","5","6","7","1") = "6"
    & skf21("6","4","3","2","5","7","1","1") = "6"
    & skf21("6","4","3","2","5","7","2","1") = "6"
    & skf21("6","4","3","2","5","7","3","1") = "6"
    & skf21("6","4","3","2","5","7","4","1") = "6"
    & skf21("6","4","3","2","5","7","5","1") = "6"
    & skf21("6","4","3","2","5","7","6","1") = "6"
    & skf21("6","4","3","2","5","7","7","1") = "6"
    & skf21("6","4","3","2","6","1","1","1") = "5"
    & skf21("6","4","3","2","6","1","2","1") = "5"
    & skf21("6","4","3","2","6","1","3","1") = "5"
    & skf21("6","4","3","2","6","1","4","1") = "5"
    & skf21("6","4","3","2","6","1","5","1") = "5"
    & skf21("6","4","3","2","6","1","6","1") = "5"
    & skf21("6","4","3","2","6","1","7","1") = "6"
    & skf21("6","4","3","2","6","2","1","1") = "5"
    & skf21("6","4","3","2","6","2","2","1") = "5"
    & skf21("6","4","3","2","6","2","3","1") = "5"
    & skf21("6","4","3","2","6","2","4","1") = "5"
    & skf21("6","4","3","2","6","2","5","1") = "5"
    & skf21("6","4","3","2","6","2","6","1") = "5"
    & skf21("6","4","3","2","6","2","7","1") = "6"
    & skf21("6","4","3","2","6","3","1","1") = "5"
    & skf21("6","4","3","2","6","3","2","1") = "5"
    & skf21("6","4","3","2","6","3","3","1") = "5"
    & skf21("6","4","3","2","6","3","4","1") = "5"
    & skf21("6","4","3","2","6","3","5","1") = "5"
    & skf21("6","4","3","2","6","3","6","1") = "5"
    & skf21("6","4","3","2","6","3","7","1") = "6"
    & skf21("6","4","3","2","6","4","1","1") = "5"
    & skf21("6","4","3","2","6","4","2","1") = "5"
    & skf21("6","4","3","2","6","4","3","1") = "5"
    & skf21("6","4","3","2","6","4","4","1") = "5"
    & skf21("6","4","3","2","6","4","5","1") = "5"
    & skf21("6","4","3","2","6","4","6","1") = "5"
    & skf21("6","4","3","2","6","4","7","1") = "6"
    & skf21("6","4","3","2","6","5","1","1") = "5"
    & skf21("6","4","3","2","6","5","2","1") = "5"
    & skf21("6","4","3","2","6","5","3","1") = "5"
    & skf21("6","4","3","2","6","5","4","1") = "5"
    & skf21("6","4","3","2","6","5","5","1") = "5"
    & skf21("6","4","3","2","6","5","6","1") = "5"
    & skf21("6","4","3","2","6","5","7","1") = "6"
    & skf21("6","4","3","2","6","6","1","1") = "5"
    & skf21("6","4","3","2","6","6","2","1") = "5"
    & skf21("6","4","3","2","6","6","3","1") = "5"
    & skf21("6","4","3","2","6","6","4","1") = "5"
    & skf21("6","4","3","2","6","6","5","1") = "5"
    & skf21("6","4","3","2","6","6","6","1") = "5"
    & skf21("6","4","3","2","6","6","7","1") = "6"
    & skf21("6","4","3","2","6","7","1","1") = "6"
    & skf21("6","4","3","2","6","7","2","1") = "6"
    & skf21("6","4","3","2","6","7","3","1") = "6"
    & skf21("6","4","3","2","6","7","4","1") = "6"
    & skf21("6","4","3","2","6","7","5","1") = "6"
    & skf21("6","4","3","2","6","7","6","1") = "6"
    & skf21("6","4","3","2","6","7","7","1") = "6"
    & skf21("6","4","3","2","7","1","1","1") = "6"
    & skf21("6","4","3","2","7","1","2","1") = "6"
    & skf21("6","4","3","2","7","1","3","1") = "6"
    & skf21("6","4","3","2","7","1","4","1") = "6"
    & skf21("6","4","3","2","7","1","5","1") = "6"
    & skf21("6","4","3","2","7","1","6","1") = "6"
    & skf21("6","4","3","2","7","1","7","1") = "6"
    & skf21("6","4","3","2","7","2","1","1") = "6"
    & skf21("6","4","3","2","7","2","2","1") = "6"
    & skf21("6","4","3","2","7","2","3","1") = "6"
    & skf21("6","4","3","2","7","2","4","1") = "6"
    & skf21("6","4","3","2","7","2","5","1") = "6"
    & skf21("6","4","3","2","7","2","6","1") = "6"
    & skf21("6","4","3","2","7","2","7","1") = "6"
    & skf21("6","4","3","2","7","3","1","1") = "6"
    & skf21("6","4","3","2","7","3","2","1") = "6"
    & skf21("6","4","3","2","7","3","3","1") = "6"
    & skf21("6","4","3","2","7","3","4","1") = "6"
    & skf21("6","4","3","2","7","3","5","1") = "6"
    & skf21("6","4","3","2","7","3","6","1") = "6"
    & skf21("6","4","3","2","7","3","7","1") = "6"
    & skf21("6","4","3","2","7","4","1","1") = "6"
    & skf21("6","4","3","2","7","4","2","1") = "6"
    & skf21("6","4","3","2","7","4","3","1") = "6"
    & skf21("6","4","3","2","7","4","4","1") = "6"
    & skf21("6","4","3","2","7","4","5","1") = "6"
    & skf21("6","4","3","2","7","4","6","1") = "6"
    & skf21("6","4","3","2","7","4","7","1") = "6"
    & skf21("6","4","3","2","7","5","1","1") = "6"
    & skf21("6","4","3","2","7","5","2","1") = "6"
    & skf21("6","4","3","2","7","5","3","1") = "6"
    & skf21("6","4","3","2","7","5","4","1") = "6"
    & skf21("6","4","3","2","7","5","5","1") = "6"
    & skf21("6","4","3","2","7","5","6","1") = "6"
    & skf21("6","4","3","2","7","5","7","1") = "6"
    & skf21("6","4","3","2","7","6","1","1") = "6"
    & skf21("6","4","3","2","7","6","2","1") = "6"
    & skf21("6","4","3","2","7","6","3","1") = "6"
    & skf21("6","4","3","2","7","6","4","1") = "6"
    & skf21("6","4","3","2","7","6","5","1") = "6"
    & skf21("6","4","3","2","7","6","6","1") = "6"
    & skf21("6","4","3","2","7","6","7","1") = "6"
    & skf21("6","4","3","2","7","7","1","1") = "6"
    & skf21("6","4","3","2","7","7","2","1") = "6"
    & skf21("6","4","3","2","7","7","3","1") = "6"
    & skf21("6","4","3","2","7","7","4","1") = "6"
    & skf21("6","4","3","2","7","7","5","1") = "6"
    & skf21("6","4","3","2","7","7","6","1") = "6"
    & skf21("6","4","3","2","7","7","7","1") = "6"
    & skf21("6","4","3","3","1","1","1","1") = "5"
    & skf21("6","4","3","3","1","1","2","1") = "5"
    & skf21("6","4","3","3","1","1","3","1") = "5"
    & skf21("6","4","3","3","1","1","4","1") = "5"
    & skf21("6","4","3","3","1","1","5","1") = "5"
    & skf21("6","4","3","3","1","1","6","1") = "5"
    & skf21("6","4","3","3","1","1","7","1") = "6"
    & skf21("6","4","3","3","1","2","1","1") = "5"
    & skf21("6","4","3","3","1","2","2","1") = "5"
    & skf21("6","4","3","3","1","2","3","1") = "5"
    & skf21("6","4","3","3","1","2","4","1") = "5"
    & skf21("6","4","3","3","1","2","5","1") = "5"
    & skf21("6","4","3","3","1","2","6","1") = "5"
    & skf21("6","4","3","3","1","2","7","1") = "6"
    & skf21("6","4","3","3","1","3","1","1") = "5"
    & skf21("6","4","3","3","1","3","2","1") = "5"
    & skf21("6","4","3","3","1","3","3","1") = "5"
    & skf21("6","4","3","3","1","3","4","1") = "5"
    & skf21("6","4","3","3","1","3","5","1") = "5"
    & skf21("6","4","3","3","1","3","6","1") = "5"
    & skf21("6","4","3","3","1","3","7","1") = "6"
    & skf21("6","4","3","3","1","4","1","1") = "5"
    & skf21("6","4","3","3","1","4","2","1") = "5"
    & skf21("6","4","3","3","1","4","3","1") = "5"
    & skf21("6","4","3","3","1","4","4","1") = "5"
    & skf21("6","4","3","3","1","4","5","1") = "5"
    & skf21("6","4","3","3","1","4","6","1") = "5"
    & skf21("6","4","3","3","1","4","7","1") = "6"
    & skf21("6","4","3","3","1","5","1","1") = "5"
    & skf21("6","4","3","3","1","5","2","1") = "5"
    & skf21("6","4","3","3","1","5","3","1") = "5"
    & skf21("6","4","3","3","1","5","4","1") = "5"
    & skf21("6","4","3","3","1","5","5","1") = "5"
    & skf21("6","4","3","3","1","5","6","1") = "5"
    & skf21("6","4","3","3","1","5","7","1") = "6"
    & skf21("6","4","3","3","1","6","1","1") = "5"
    & skf21("6","4","3","3","1","6","2","1") = "5"
    & skf21("6","4","3","3","1","6","3","1") = "5"
    & skf21("6","4","3","3","1","6","4","1") = "5"
    & skf21("6","4","3","3","1","6","5","1") = "5"
    & skf21("6","4","3","3","1","6","6","1") = "5"
    & skf21("6","4","3","3","1","6","7","1") = "6"
    & skf21("6","4","3","3","1","7","1","1") = "6"
    & skf21("6","4","3","3","1","7","2","1") = "6"
    & skf21("6","4","3","3","1","7","3","1") = "6"
    & skf21("6","4","3","3","1","7","4","1") = "6"
    & skf21("6","4","3","3","1","7","5","1") = "6"
    & skf21("6","4","3","3","1","7","6","1") = "6"
    & skf21("6","4","3","3","1","7","7","1") = "6"
    & skf21("6","4","3","3","2","1","1","1") = "5"
    & skf21("6","4","3","3","2","1","2","1") = "5"
    & skf21("6","4","3","3","2","1","3","1") = "5"
    & skf21("6","4","3","3","2","1","4","1") = "5"
    & skf21("6","4","3","3","2","1","5","1") = "5"
    & skf21("6","4","3","3","2","1","6","1") = "5"
    & skf21("6","4","3","3","2","1","7","1") = "6"
    & skf21("6","4","3","3","2","2","1","1") = "5"
    & skf21("6","4","3","3","2","2","2","1") = "5"
    & skf21("6","4","3","3","2","2","3","1") = "5"
    & skf21("6","4","3","3","2","2","4","1") = "5"
    & skf21("6","4","3","3","2","2","5","1") = "5"
    & skf21("6","4","3","3","2","2","6","1") = "5"
    & skf21("6","4","3","3","2","2","7","1") = "6"
    & skf21("6","4","3","3","2","3","1","1") = "5"
    & skf21("6","4","3","3","2","3","2","1") = "5"
    & skf21("6","4","3","3","2","3","3","1") = "5"
    & skf21("6","4","3","3","2","3","4","1") = "5"
    & skf21("6","4","3","3","2","3","5","1") = "5"
    & skf21("6","4","3","3","2","3","6","1") = "5"
    & skf21("6","4","3","3","2","3","7","1") = "6"
    & skf21("6","4","3","3","2","4","1","1") = "5"
    & skf21("6","4","3","3","2","4","2","1") = "5"
    & skf21("6","4","3","3","2","4","3","1") = "5"
    & skf21("6","4","3","3","2","4","4","1") = "5"
    & skf21("6","4","3","3","2","4","5","1") = "5"
    & skf21("6","4","3","3","2","4","6","1") = "5"
    & skf21("6","4","3","3","2","4","7","1") = "6"
    & skf21("6","4","3","3","2","5","1","1") = "5"
    & skf21("6","4","3","3","2","5","2","1") = "5"
    & skf21("6","4","3","3","2","5","3","1") = "5"
    & skf21("6","4","3","3","2","5","4","1") = "5"
    & skf21("6","4","3","3","2","5","5","1") = "5"
    & skf21("6","4","3","3","2","5","6","1") = "5"
    & skf21("6","4","3","3","2","5","7","1") = "6"
    & skf21("6","4","3","3","2","6","1","1") = "5"
    & skf21("6","4","3","3","2","6","2","1") = "5"
    & skf21("6","4","3","3","2","6","3","1") = "5"
    & skf21("6","4","3","3","2","6","4","1") = "5"
    & skf21("6","4","3","3","2","6","5","1") = "5"
    & skf21("6","4","3","3","2","6","6","1") = "5"
    & skf21("6","4","3","3","2","6","7","1") = "6"
    & skf21("6","4","3","3","2","7","1","1") = "6"
    & skf21("6","4","3","3","2","7","2","1") = "6"
    & skf21("6","4","3","3","2","7","3","1") = "6"
    & skf21("6","4","3","3","2","7","4","1") = "6"
    & skf21("6","4","3","3","2","7","5","1") = "6"
    & skf21("6","4","3","3","2","7","6","1") = "6"
    & skf21("6","4","3","3","2","7","7","1") = "6"
    & skf21("6","4","3","3","3","1","1","1") = "5"
    & skf21("6","4","3","3","3","1","2","1") = "5"
    & skf21("6","4","3","3","3","1","3","1") = "5"
    & skf21("6","4","3","3","3","1","4","1") = "5"
    & skf21("6","4","3","3","3","1","5","1") = "5"
    & skf21("6","4","3","3","3","1","6","1") = "5"
    & skf21("6","4","3","3","3","1","7","1") = "6"
    & skf21("6","4","3","3","3","2","1","1") = "5"
    & skf21("6","4","3","3","3","2","2","1") = "5"
    & skf21("6","4","3","3","3","2","3","1") = "5"
    & skf21("6","4","3","3","3","2","4","1") = "5"
    & skf21("6","4","3","3","3","2","5","1") = "5"
    & skf21("6","4","3","3","3","2","6","1") = "5"
    & skf21("6","4","3","3","3","2","7","1") = "6"
    & skf21("6","4","3","3","3","3","1","1") = "5"
    & skf21("6","4","3","3","3","3","2","1") = "5"
    & skf21("6","4","3","3","3","3","3","1") = "5"
    & skf21("6","4","3","3","3","3","4","1") = "5"
    & skf21("6","4","3","3","3","3","5","1") = "5"
    & skf21("6","4","3","3","3","3","6","1") = "5"
    & skf21("6","4","3","3","3","3","7","1") = "6"
    & skf21("6","4","3","3","3","4","1","1") = "5"
    & skf21("6","4","3","3","3","4","2","1") = "5"
    & skf21("6","4","3","3","3","4","3","1") = "5"
    & skf21("6","4","3","3","3","4","4","1") = "5"
    & skf21("6","4","3","3","3","4","5","1") = "5"
    & skf21("6","4","3","3","3","4","6","1") = "5"
    & skf21("6","4","3","3","3","4","7","1") = "6"
    & skf21("6","4","3","3","3","5","1","1") = "5"
    & skf21("6","4","3","3","3","5","2","1") = "5"
    & skf21("6","4","3","3","3","5","3","1") = "5"
    & skf21("6","4","3","3","3","5","4","1") = "5"
    & skf21("6","4","3","3","3","5","5","1") = "5"
    & skf21("6","4","3","3","3","5","6","1") = "5"
    & skf21("6","4","3","3","3","5","7","1") = "6"
    & skf21("6","4","3","3","3","6","1","1") = "5"
    & skf21("6","4","3","3","3","6","2","1") = "5"
    & skf21("6","4","3","3","3","6","3","1") = "5"
    & skf21("6","4","3","3","3","6","4","1") = "5"
    & skf21("6","4","3","3","3","6","5","1") = "5"
    & skf21("6","4","3","3","3","6","6","1") = "5"
    & skf21("6","4","3","3","3","6","7","1") = "6"
    & skf21("6","4","3","3","3","7","1","1") = "6"
    & skf21("6","4","3","3","3","7","2","1") = "6"
    & skf21("6","4","3","3","3","7","3","1") = "6"
    & skf21("6","4","3","3","3","7","4","1") = "6"
    & skf21("6","4","3","3","3","7","5","1") = "6"
    & skf21("6","4","3","3","3","7","6","1") = "6"
    & skf21("6","4","3","3","3","7","7","1") = "6"
    & skf21("6","4","3","3","4","1","1","1") = "5"
    & skf21("6","4","3","3","4","1","2","1") = "5"
    & skf21("6","4","3","3","4","1","3","1") = "5"
    & skf21("6","4","3","3","4","1","4","1") = "5"
    & skf21("6","4","3","3","4","1","5","1") = "5"
    & skf21("6","4","3","3","4","1","6","1") = "5"
    & skf21("6","4","3","3","4","1","7","1") = "6"
    & skf21("6","4","3","3","4","2","1","1") = "5"
    & skf21("6","4","3","3","4","2","2","1") = "5"
    & skf21("6","4","3","3","4","2","3","1") = "5"
    & skf21("6","4","3","3","4","2","4","1") = "5"
    & skf21("6","4","3","3","4","2","5","1") = "5"
    & skf21("6","4","3","3","4","2","6","1") = "5"
    & skf21("6","4","3","3","4","2","7","1") = "6"
    & skf21("6","4","3","3","4","3","1","1") = "5"
    & skf21("6","4","3","3","4","3","2","1") = "5"
    & skf21("6","4","3","3","4","3","3","1") = "5"
    & skf21("6","4","3","3","4","3","4","1") = "5"
    & skf21("6","4","3","3","4","3","5","1") = "5"
    & skf21("6","4","3","3","4","3","6","1") = "5"
    & skf21("6","4","3","3","4","3","7","1") = "6"
    & skf21("6","4","3","3","4","4","1","1") = "5"
    & skf21("6","4","3","3","4","4","2","1") = "5"
    & skf21("6","4","3","3","4","4","3","1") = "5"
    & skf21("6","4","3","3","4","4","4","1") = "5"
    & skf21("6","4","3","3","4","4","5","1") = "5"
    & skf21("6","4","3","3","4","4","6","1") = "5"
    & skf21("6","4","3","3","4","4","7","1") = "6"
    & skf21("6","4","3","3","4","5","1","1") = "5"
    & skf21("6","4","3","3","4","5","2","1") = "5"
    & skf21("6","4","3","3","4","5","3","1") = "5"
    & skf21("6","4","3","3","4","5","4","1") = "5"
    & skf21("6","4","3","3","4","5","5","1") = "5"
    & skf21("6","4","3","3","4","5","6","1") = "5"
    & skf21("6","4","3","3","4","5","7","1") = "6"
    & skf21("6","4","3","3","4","6","1","1") = "5"
    & skf21("6","4","3","3","4","6","2","1") = "5"
    & skf21("6","4","3","3","4","6","3","1") = "5"
    & skf21("6","4","3","3","4","6","4","1") = "5"
    & skf21("6","4","3","3","4","6","5","1") = "5"
    & skf21("6","4","3","3","4","6","6","1") = "5"
    & skf21("6","4","3","3","4","6","7","1") = "6"
    & skf21("6","4","3","3","4","7","1","1") = "6"
    & skf21("6","4","3","3","4","7","2","1") = "6"
    & skf21("6","4","3","3","4","7","3","1") = "6"
    & skf21("6","4","3","3","4","7","4","1") = "6"
    & skf21("6","4","3","3","4","7","5","1") = "6"
    & skf21("6","4","3","3","4","7","6","1") = "6"
    & skf21("6","4","3","3","4","7","7","1") = "6"
    & skf21("6","4","3","3","5","1","1","1") = "5"
    & skf21("6","4","3","3","5","1","2","1") = "5"
    & skf21("6","4","3","3","5","1","3","1") = "5"
    & skf21("6","4","3","3","5","1","4","1") = "5"
    & skf21("6","4","3","3","5","1","5","1") = "5"
    & skf21("6","4","3","3","5","1","6","1") = "5"
    & skf21("6","4","3","3","5","1","7","1") = "6"
    & skf21("6","4","3","3","5","2","1","1") = "5"
    & skf21("6","4","3","3","5","2","2","1") = "5"
    & skf21("6","4","3","3","5","2","3","1") = "5"
    & skf21("6","4","3","3","5","2","4","1") = "5"
    & skf21("6","4","3","3","5","2","5","1") = "5"
    & skf21("6","4","3","3","5","2","6","1") = "5"
    & skf21("6","4","3","3","5","2","7","1") = "6"
    & skf21("6","4","3","3","5","3","1","1") = "5"
    & skf21("6","4","3","3","5","3","2","1") = "5"
    & skf21("6","4","3","3","5","3","3","1") = "5"
    & skf21("6","4","3","3","5","3","4","1") = "5"
    & skf21("6","4","3","3","5","3","5","1") = "5"
    & skf21("6","4","3","3","5","3","6","1") = "5"
    & skf21("6","4","3","3","5","3","7","1") = "6"
    & skf21("6","4","3","3","5","4","1","1") = "5"
    & skf21("6","4","3","3","5","4","2","1") = "5"
    & skf21("6","4","3","3","5","4","3","1") = "5"
    & skf21("6","4","3","3","5","4","4","1") = "5"
    & skf21("6","4","3","3","5","4","5","1") = "5"
    & skf21("6","4","3","3","5","4","6","1") = "5"
    & skf21("6","4","3","3","5","4","7","1") = "6"
    & skf21("6","4","3","3","5","5","1","1") = "5"
    & skf21("6","4","3","3","5","5","2","1") = "5"
    & skf21("6","4","3","3","5","5","3","1") = "5"
    & skf21("6","4","3","3","5","5","4","1") = "5"
    & skf21("6","4","3","3","5","5","5","1") = "5"
    & skf21("6","4","3","3","5","5","6","1") = "5"
    & skf21("6","4","3","3","5","5","7","1") = "6"
    & skf21("6","4","3","3","5","6","1","1") = "5"
    & skf21("6","4","3","3","5","6","2","1") = "5"
    & skf21("6","4","3","3","5","6","3","1") = "5"
    & skf21("6","4","3","3","5","6","4","1") = "5"
    & skf21("6","4","3","3","5","6","5","1") = "5"
    & skf21("6","4","3","3","5","6","6","1") = "5"
    & skf21("6","4","3","3","5","6","7","1") = "6"
    & skf21("6","4","3","3","5","7","1","1") = "6"
    & skf21("6","4","3","3","5","7","2","1") = "6"
    & skf21("6","4","3","3","5","7","3","1") = "6"
    & skf21("6","4","3","3","5","7","4","1") = "6"
    & skf21("6","4","3","3","5","7","5","1") = "6"
    & skf21("6","4","3","3","5","7","6","1") = "6"
    & skf21("6","4","3","3","5","7","7","1") = "6"
    & skf21("6","4","3","3","6","1","1","1") = "5"
    & skf21("6","4","3","3","6","1","2","1") = "5"
    & skf21("6","4","3","3","6","1","3","1") = "5"
    & skf21("6","4","3","3","6","1","4","1") = "5"
    & skf21("6","4","3","3","6","1","5","1") = "5"
    & skf21("6","4","3","3","6","1","6","1") = "5"
    & skf21("6","4","3","3","6","1","7","1") = "6"
    & skf21("6","4","3","3","6","2","1","1") = "5"
    & skf21("6","4","3","3","6","2","2","1") = "5"
    & skf21("6","4","3","3","6","2","3","1") = "5"
    & skf21("6","4","3","3","6","2","4","1") = "5"
    & skf21("6","4","3","3","6","2","5","1") = "5"
    & skf21("6","4","3","3","6","2","6","1") = "5"
    & skf21("6","4","3","3","6","2","7","1") = "6"
    & skf21("6","4","3","3","6","3","1","1") = "5"
    & skf21("6","4","3","3","6","3","2","1") = "5"
    & skf21("6","4","3","3","6","3","3","1") = "5"
    & skf21("6","4","3","3","6","3","4","1") = "5"
    & skf21("6","4","3","3","6","3","5","1") = "5"
    & skf21("6","4","3","3","6","3","6","1") = "5"
    & skf21("6","4","3","3","6","3","7","1") = "6"
    & skf21("6","4","3","3","6","4","1","1") = "5"
    & skf21("6","4","3","3","6","4","2","1") = "5"
    & skf21("6","4","3","3","6","4","3","1") = "5"
    & skf21("6","4","3","3","6","4","4","1") = "5"
    & skf21("6","4","3","3","6","4","5","1") = "5"
    & skf21("6","4","3","3","6","4","6","1") = "5"
    & skf21("6","4","3","3","6","4","7","1") = "6"
    & skf21("6","4","3","3","6","5","1","1") = "5"
    & skf21("6","4","3","3","6","5","2","1") = "5"
    & skf21("6","4","3","3","6","5","3","1") = "5"
    & skf21("6","4","3","3","6","5","4","1") = "5"
    & skf21("6","4","3","3","6","5","5","1") = "5"
    & skf21("6","4","3","3","6","5","6","1") = "5"
    & skf21("6","4","3","3","6","5","7","1") = "6"
    & skf21("6","4","3","3","6","6","1","1") = "5"
    & skf21("6","4","3","3","6","6","2","1") = "5"
    & skf21("6","4","3","3","6","6","3","1") = "5"
    & skf21("6","4","3","3","6","6","4","1") = "5"
    & skf21("6","4","3","3","6","6","5","1") = "5"
    & skf21("6","4","3","3","6","6","6","1") = "5"
    & skf21("6","4","3","3","6","6","7","1") = "6"
    & skf21("6","4","3","3","6","7","1","1") = "6"
    & skf21("6","4","3","3","6","7","2","1") = "6"
    & skf21("6","4","3","3","6","7","3","1") = "6"
    & skf21("6","4","3","3","6","7","4","1") = "6"
    & skf21("6","4","3","3","6","7","5","1") = "6"
    & skf21("6","4","3","3","6","7","6","1") = "6"
    & skf21("6","4","3","3","6","7","7","1") = "6"
    & skf21("6","4","3","3","7","1","1","1") = "6"
    & skf21("6","4","3","3","7","1","2","1") = "6"
    & skf21("6","4","3","3","7","1","3","1") = "6"
    & skf21("6","4","3","3","7","1","4","1") = "6"
    & skf21("6","4","3","3","7","1","5","1") = "6"
    & skf21("6","4","3","3","7","1","6","1") = "6"
    & skf21("6","4","3","3","7","1","7","1") = "6"
    & skf21("6","4","3","3","7","2","1","1") = "6"
    & skf21("6","4","3","3","7","2","2","1") = "6"
    & skf21("6","4","3","3","7","2","3","1") = "6"
    & skf21("6","4","3","3","7","2","4","1") = "6"
    & skf21("6","4","3","3","7","2","5","1") = "6"
    & skf21("6","4","3","3","7","2","6","1") = "6"
    & skf21("6","4","3","3","7","2","7","1") = "6"
    & skf21("6","4","3","3","7","3","1","1") = "6"
    & skf21("6","4","3","3","7","3","2","1") = "6"
    & skf21("6","4","3","3","7","3","3","1") = "6"
    & skf21("6","4","3","3","7","3","4","1") = "6"
    & skf21("6","4","3","3","7","3","5","1") = "6"
    & skf21("6","4","3","3","7","3","6","1") = "6"
    & skf21("6","4","3","3","7","3","7","1") = "6"
    & skf21("6","4","3","3","7","4","1","1") = "6"
    & skf21("6","4","3","3","7","4","2","1") = "6"
    & skf21("6","4","3","3","7","4","3","1") = "6"
    & skf21("6","4","3","3","7","4","4","1") = "6"
    & skf21("6","4","3","3","7","4","5","1") = "6"
    & skf21("6","4","3","3","7","4","6","1") = "6"
    & skf21("6","4","3","3","7","4","7","1") = "6"
    & skf21("6","4","3","3","7","5","1","1") = "6"
    & skf21("6","4","3","3","7","5","2","1") = "6"
    & skf21("6","4","3","3","7","5","3","1") = "6"
    & skf21("6","4","3","3","7","5","4","1") = "6"
    & skf21("6","4","3","3","7","5","5","1") = "6"
    & skf21("6","4","3","3","7","5","6","1") = "6"
    & skf21("6","4","3","3","7","5","7","1") = "6"
    & skf21("6","4","3","3","7","6","1","1") = "6"
    & skf21("6","4","3","3","7","6","2","1") = "6"
    & skf21("6","4","3","3","7","6","3","1") = "6"
    & skf21("6","4","3","3","7","6","4","1") = "6"
    & skf21("6","4","3","3","7","6","5","1") = "6"
    & skf21("6","4","3","3","7","6","6","1") = "6"
    & skf21("6","4","3","3","7","6","7","1") = "6"
    & skf21("6","4","3","3","7","7","1","1") = "6"
    & skf21("6","4","3","3","7","7","2","1") = "6"
    & skf21("6","4","3","3","7","7","3","1") = "6"
    & skf21("6","4","3","3","7","7","4","1") = "6"
    & skf21("6","4","3","3","7","7","5","1") = "6"
    & skf21("6","4","3","3","7","7","6","1") = "6"
    & skf21("6","4","3","3","7","7","7","1") = "6"
    & skf21("6","4","3","4","1","1","1","1") = "5"
    & skf21("6","4","3","4","1","1","2","1") = "5"
    & skf21("6","4","3","4","1","1","3","1") = "5"
    & skf21("6","4","3","4","1","1","4","1") = "5"
    & skf21("6","4","3","4","1","1","5","1") = "5"
    & skf21("6","4","3","4","1","1","6","1") = "5"
    & skf21("6","4","3","4","1","1","7","1") = "6"
    & skf21("6","4","3","4","1","2","1","1") = "5"
    & skf21("6","4","3","4","1","2","2","1") = "5"
    & skf21("6","4","3","4","1","2","3","1") = "5"
    & skf21("6","4","3","4","1","2","4","1") = "5"
    & skf21("6","4","3","4","1","2","5","1") = "5"
    & skf21("6","4","3","4","1","2","6","1") = "5"
    & skf21("6","4","3","4","1","2","7","1") = "6"
    & skf21("6","4","3","4","1","3","1","1") = "5"
    & skf21("6","4","3","4","1","3","2","1") = "5"
    & skf21("6","4","3","4","1","3","3","1") = "5"
    & skf21("6","4","3","4","1","3","4","1") = "5"
    & skf21("6","4","3","4","1","3","5","1") = "5"
    & skf21("6","4","3","4","1","3","6","1") = "5"
    & skf21("6","4","3","4","1","3","7","1") = "6"
    & skf21("6","4","3","4","1","4","1","1") = "5"
    & skf21("6","4","3","4","1","4","2","1") = "5"
    & skf21("6","4","3","4","1","4","3","1") = "5"
    & skf21("6","4","3","4","1","4","4","1") = "5"
    & skf21("6","4","3","4","1","4","5","1") = "5"
    & skf21("6","4","3","4","1","4","6","1") = "5"
    & skf21("6","4","3","4","1","4","7","1") = "6"
    & skf21("6","4","3","4","1","5","1","1") = "5"
    & skf21("6","4","3","4","1","5","2","1") = "5"
    & skf21("6","4","3","4","1","5","3","1") = "5"
    & skf21("6","4","3","4","1","5","4","1") = "5"
    & skf21("6","4","3","4","1","5","5","1") = "5"
    & skf21("6","4","3","4","1","5","6","1") = "5"
    & skf21("6","4","3","4","1","5","7","1") = "6"
    & skf21("6","4","3","4","1","6","1","1") = "5"
    & skf21("6","4","3","4","1","6","2","1") = "5"
    & skf21("6","4","3","4","1","6","3","1") = "5"
    & skf21("6","4","3","4","1","6","4","1") = "5"
    & skf21("6","4","3","4","1","6","5","1") = "5"
    & skf21("6","4","3","4","1","6","6","1") = "5"
    & skf21("6","4","3","4","1","6","7","1") = "6"
    & skf21("6","4","3","4","1","7","1","1") = "6"
    & skf21("6","4","3","4","1","7","2","1") = "6"
    & skf21("6","4","3","4","1","7","3","1") = "6"
    & skf21("6","4","3","4","1","7","4","1") = "6"
    & skf21("6","4","3","4","1","7","5","1") = "6"
    & skf21("6","4","3","4","1","7","6","1") = "6"
    & skf21("6","4","3","4","1","7","7","1") = "6"
    & skf21("6","4","3","4","2","1","1","1") = "5"
    & skf21("6","4","3","4","2","1","2","1") = "5"
    & skf21("6","4","3","4","2","1","3","1") = "5"
    & skf21("6","4","3","4","2","1","4","1") = "5"
    & skf21("6","4","3","4","2","1","5","1") = "5"
    & skf21("6","4","3","4","2","1","6","1") = "5"
    & skf21("6","4","3","4","2","1","7","1") = "6"
    & skf21("6","4","3","4","2","2","1","1") = "5"
    & skf21("6","4","3","4","2","2","2","1") = "5"
    & skf21("6","4","3","4","2","2","3","1") = "5"
    & skf21("6","4","3","4","2","2","4","1") = "5"
    & skf21("6","4","3","4","2","2","5","1") = "5"
    & skf21("6","4","3","4","2","2","6","1") = "5"
    & skf21("6","4","3","4","2","2","7","1") = "6"
    & skf21("6","4","3","4","2","3","1","1") = "5"
    & skf21("6","4","3","4","2","3","2","1") = "5"
    & skf21("6","4","3","4","2","3","3","1") = "5"
    & skf21("6","4","3","4","2","3","4","1") = "5"
    & skf21("6","4","3","4","2","3","5","1") = "5"
    & skf21("6","4","3","4","2","3","6","1") = "5"
    & skf21("6","4","3","4","2","3","7","1") = "6"
    & skf21("6","4","3","4","2","4","1","1") = "5"
    & skf21("6","4","3","4","2","4","2","1") = "5"
    & skf21("6","4","3","4","2","4","3","1") = "5"
    & skf21("6","4","3","4","2","4","4","1") = "5"
    & skf21("6","4","3","4","2","4","5","1") = "5"
    & skf21("6","4","3","4","2","4","6","1") = "5"
    & skf21("6","4","3","4","2","4","7","1") = "6"
    & skf21("6","4","3","4","2","5","1","1") = "5"
    & skf21("6","4","3","4","2","5","2","1") = "5"
    & skf21("6","4","3","4","2","5","3","1") = "5"
    & skf21("6","4","3","4","2","5","4","1") = "5"
    & skf21("6","4","3","4","2","5","5","1") = "5"
    & skf21("6","4","3","4","2","5","6","1") = "5"
    & skf21("6","4","3","4","2","5","7","1") = "6"
    & skf21("6","4","3","4","2","6","1","1") = "5"
    & skf21("6","4","3","4","2","6","2","1") = "5"
    & skf21("6","4","3","4","2","6","3","1") = "5"
    & skf21("6","4","3","4","2","6","4","1") = "5"
    & skf21("6","4","3","4","2","6","5","1") = "5"
    & skf21("6","4","3","4","2","6","6","1") = "5"
    & skf21("6","4","3","4","2","6","7","1") = "6"
    & skf21("6","4","3","4","2","7","1","1") = "6"
    & skf21("6","4","3","4","2","7","2","1") = "6"
    & skf21("6","4","3","4","2","7","3","1") = "6"
    & skf21("6","4","3","4","2","7","4","1") = "6"
    & skf21("6","4","3","4","2","7","5","1") = "6"
    & skf21("6","4","3","4","2","7","6","1") = "6"
    & skf21("6","4","3","4","2","7","7","1") = "6"
    & skf21("6","4","3","4","3","1","1","1") = "5"
    & skf21("6","4","3","4","3","1","2","1") = "5"
    & skf21("6","4","3","4","3","1","3","1") = "5"
    & skf21("6","4","3","4","3","1","4","1") = "5"
    & skf21("6","4","3","4","3","1","5","1") = "5"
    & skf21("6","4","3","4","3","1","6","1") = "5"
    & skf21("6","4","3","4","3","1","7","1") = "6"
    & skf21("6","4","3","4","3","2","1","1") = "5"
    & skf21("6","4","3","4","3","2","2","1") = "5"
    & skf21("6","4","3","4","3","2","3","1") = "5"
    & skf21("6","4","3","4","3","2","4","1") = "5"
    & skf21("6","4","3","4","3","2","5","1") = "5"
    & skf21("6","4","3","4","3","2","6","1") = "5"
    & skf21("6","4","3","4","3","2","7","1") = "6"
    & skf21("6","4","3","4","3","3","1","1") = "5"
    & skf21("6","4","3","4","3","3","2","1") = "5"
    & skf21("6","4","3","4","3","3","3","1") = "5"
    & skf21("6","4","3","4","3","3","4","1") = "5"
    & skf21("6","4","3","4","3","3","5","1") = "5"
    & skf21("6","4","3","4","3","3","6","1") = "5"
    & skf21("6","4","3","4","3","3","7","1") = "6"
    & skf21("6","4","3","4","3","4","1","1") = "5"
    & skf21("6","4","3","4","3","4","2","1") = "5"
    & skf21("6","4","3","4","3","4","3","1") = "5"
    & skf21("6","4","3","4","3","4","4","1") = "5"
    & skf21("6","4","3","4","3","4","5","1") = "5"
    & skf21("6","4","3","4","3","4","6","1") = "5"
    & skf21("6","4","3","4","3","4","7","1") = "6"
    & skf21("6","4","3","4","3","5","1","1") = "5"
    & skf21("6","4","3","4","3","5","2","1") = "5"
    & skf21("6","4","3","4","3","5","3","1") = "5"
    & skf21("6","4","3","4","3","5","4","1") = "5"
    & skf21("6","4","3","4","3","5","5","1") = "5"
    & skf21("6","4","3","4","3","5","6","1") = "5"
    & skf21("6","4","3","4","3","5","7","1") = "6"
    & skf21("6","4","3","4","3","6","1","1") = "5"
    & skf21("6","4","3","4","3","6","2","1") = "5"
    & skf21("6","4","3","4","3","6","3","1") = "5"
    & skf21("6","4","3","4","3","6","4","1") = "5"
    & skf21("6","4","3","4","3","6","5","1") = "5"
    & skf21("6","4","3","4","3","6","6","1") = "5"
    & skf21("6","4","3","4","3","6","7","1") = "6"
    & skf21("6","4","3","4","3","7","1","1") = "6"
    & skf21("6","4","3","4","3","7","2","1") = "6"
    & skf21("6","4","3","4","3","7","3","1") = "6"
    & skf21("6","4","3","4","3","7","4","1") = "6"
    & skf21("6","4","3","4","3","7","5","1") = "6"
    & skf21("6","4","3","4","3","7","6","1") = "6"
    & skf21("6","4","3","4","3","7","7","1") = "6"
    & skf21("6","4","3","4","4","1","1","1") = "5"
    & skf21("6","4","3","4","4","1","2","1") = "5"
    & skf21("6","4","3","4","4","1","3","1") = "5"
    & skf21("6","4","3","4","4","1","4","1") = "5"
    & skf21("6","4","3","4","4","1","5","1") = "5"
    & skf21("6","4","3","4","4","1","6","1") = "5"
    & skf21("6","4","3","4","4","1","7","1") = "6"
    & skf21("6","4","3","4","4","2","1","1") = "5"
    & skf21("6","4","3","4","4","2","2","1") = "5"
    & skf21("6","4","3","4","4","2","3","1") = "5"
    & skf21("6","4","3","4","4","2","4","1") = "5"
    & skf21("6","4","3","4","4","2","5","1") = "5"
    & skf21("6","4","3","4","4","2","6","1") = "5"
    & skf21("6","4","3","4","4","2","7","1") = "6"
    & skf21("6","4","3","4","4","3","1","1") = "5"
    & skf21("6","4","3","4","4","3","2","1") = "5"
    & skf21("6","4","3","4","4","3","3","1") = "5"
    & skf21("6","4","3","4","4","3","4","1") = "5"
    & skf21("6","4","3","4","4","3","5","1") = "5"
    & skf21("6","4","3","4","4","3","6","1") = "5"
    & skf21("6","4","3","4","4","3","7","1") = "6"
    & skf21("6","4","3","4","4","4","1","1") = "5"
    & skf21("6","4","3","4","4","4","2","1") = "5"
    & skf21("6","4","3","4","4","4","3","1") = "5"
    & skf21("6","4","3","4","4","4","4","1") = "5"
    & skf21("6","4","3","4","4","4","5","1") = "5"
    & skf21("6","4","3","4","4","4","6","1") = "5"
    & skf21("6","4","3","4","4","4","7","1") = "6"
    & skf21("6","4","3","4","4","5","1","1") = "5"
    & skf21("6","4","3","4","4","5","2","1") = "5"
    & skf21("6","4","3","4","4","5","3","1") = "5"
    & skf21("6","4","3","4","4","5","4","1") = "5"
    & skf21("6","4","3","4","4","5","5","1") = "5"
    & skf21("6","4","3","4","4","5","6","1") = "5"
    & skf21("6","4","3","4","4","5","7","1") = "6"
    & skf21("6","4","3","4","4","6","1","1") = "5"
    & skf21("6","4","3","4","4","6","2","1") = "5"
    & skf21("6","4","3","4","4","6","3","1") = "5"
    & skf21("6","4","3","4","4","6","4","1") = "5"
    & skf21("6","4","3","4","4","6","5","1") = "5"
    & skf21("6","4","3","4","4","6","6","1") = "5"
    & skf21("6","4","3","4","4","6","7","1") = "6"
    & skf21("6","4","3","4","4","7","1","1") = "6"
    & skf21("6","4","3","4","4","7","2","1") = "6"
    & skf21("6","4","3","4","4","7","3","1") = "6"
    & skf21("6","4","3","4","4","7","4","1") = "6"
    & skf21("6","4","3","4","4","7","5","1") = "6"
    & skf21("6","4","3","4","4","7","6","1") = "6"
    & skf21("6","4","3","4","4","7","7","1") = "6"
    & skf21("6","4","3","4","5","1","1","1") = "5"
    & skf21("6","4","3","4","5","1","2","1") = "5"
    & skf21("6","4","3","4","5","1","3","1") = "5"
    & skf21("6","4","3","4","5","1","4","1") = "5"
    & skf21("6","4","3","4","5","1","5","1") = "5"
    & skf21("6","4","3","4","5","1","6","1") = "5"
    & skf21("6","4","3","4","5","1","7","1") = "6"
    & skf21("6","4","3","4","5","2","1","1") = "5"
    & skf21("6","4","3","4","5","2","2","1") = "5"
    & skf21("6","4","3","4","5","2","3","1") = "5"
    & skf21("6","4","3","4","5","2","4","1") = "5"
    & skf21("6","4","3","4","5","2","5","1") = "5"
    & skf21("6","4","3","4","5","2","6","1") = "5"
    & skf21("6","4","3","4","5","2","7","1") = "6"
    & skf21("6","4","3","4","5","3","1","1") = "5"
    & skf21("6","4","3","4","5","3","2","1") = "5"
    & skf21("6","4","3","4","5","3","3","1") = "5"
    & skf21("6","4","3","4","5","3","4","1") = "5"
    & skf21("6","4","3","4","5","3","5","1") = "5"
    & skf21("6","4","3","4","5","3","6","1") = "5"
    & skf21("6","4","3","4","5","3","7","1") = "6"
    & skf21("6","4","3","4","5","4","1","1") = "5"
    & skf21("6","4","3","4","5","4","2","1") = "5"
    & skf21("6","4","3","4","5","4","3","1") = "5"
    & skf21("6","4","3","4","5","4","4","1") = "5"
    & skf21("6","4","3","4","5","4","5","1") = "5"
    & skf21("6","4","3","4","5","4","6","1") = "5"
    & skf21("6","4","3","4","5","4","7","1") = "6"
    & skf21("6","4","3","4","5","5","1","1") = "5"
    & skf21("6","4","3","4","5","5","2","1") = "5"
    & skf21("6","4","3","4","5","5","3","1") = "5"
    & skf21("6","4","3","4","5","5","4","1") = "5"
    & skf21("6","4","3","4","5","5","5","1") = "5"
    & skf21("6","4","3","4","5","5","6","1") = "5"
    & skf21("6","4","3","4","5","5","7","1") = "6"
    & skf21("6","4","3","4","5","6","1","1") = "5"
    & skf21("6","4","3","4","5","6","2","1") = "5"
    & skf21("6","4","3","4","5","6","3","1") = "5"
    & skf21("6","4","3","4","5","6","4","1") = "5"
    & skf21("6","4","3","4","5","6","5","1") = "5"
    & skf21("6","4","3","4","5","6","6","1") = "5"
    & skf21("6","4","3","4","5","6","7","1") = "6"
    & skf21("6","4","3","4","5","7","1","1") = "6"
    & skf21("6","4","3","4","5","7","2","1") = "6"
    & skf21("6","4","3","4","5","7","3","1") = "6"
    & skf21("6","4","3","4","5","7","4","1") = "6"
    & skf21("6","4","3","4","5","7","5","1") = "6"
    & skf21("6","4","3","4","5","7","6","1") = "6"
    & skf21("6","4","3","4","5","7","7","1") = "6"
    & skf21("6","4","3","4","6","1","1","1") = "5"
    & skf21("6","4","3","4","6","1","2","1") = "5"
    & skf21("6","4","3","4","6","1","3","1") = "5"
    & skf21("6","4","3","4","6","1","4","1") = "5"
    & skf21("6","4","3","4","6","1","5","1") = "5"
    & skf21("6","4","3","4","6","1","6","1") = "5"
    & skf21("6","4","3","4","6","1","7","1") = "6"
    & skf21("6","4","3","4","6","2","1","1") = "5"
    & skf21("6","4","3","4","6","2","2","1") = "5"
    & skf21("6","4","3","4","6","2","3","1") = "5"
    & skf21("6","4","3","4","6","2","4","1") = "5"
    & skf21("6","4","3","4","6","2","5","1") = "5"
    & skf21("6","4","3","4","6","2","6","1") = "5"
    & skf21("6","4","3","4","6","2","7","1") = "6"
    & skf21("6","4","3","4","6","3","1","1") = "5"
    & skf21("6","4","3","4","6","3","2","1") = "5"
    & skf21("6","4","3","4","6","3","3","1") = "5"
    & skf21("6","4","3","4","6","3","4","1") = "5"
    & skf21("6","4","3","4","6","3","5","1") = "5"
    & skf21("6","4","3","4","6","3","6","1") = "5"
    & skf21("6","4","3","4","6","3","7","1") = "6"
    & skf21("6","4","3","4","6","4","1","1") = "5"
    & skf21("6","4","3","4","6","4","2","1") = "5"
    & skf21("6","4","3","4","6","4","3","1") = "5"
    & skf21("6","4","3","4","6","4","4","1") = "5"
    & skf21("6","4","3","4","6","4","5","1") = "5"
    & skf21("6","4","3","4","6","4","6","1") = "5"
    & skf21("6","4","3","4","6","4","7","1") = "6"
    & skf21("6","4","3","4","6","5","1","1") = "5"
    & skf21("6","4","3","4","6","5","2","1") = "5"
    & skf21("6","4","3","4","6","5","3","1") = "5"
    & skf21("6","4","3","4","6","5","4","1") = "5"
    & skf21("6","4","3","4","6","5","5","1") = "5"
    & skf21("6","4","3","4","6","5","6","1") = "5"
    & skf21("6","4","3","4","6","5","7","1") = "6"
    & skf21("6","4","3","4","6","6","1","1") = "5"
    & skf21("6","4","3","4","6","6","2","1") = "5"
    & skf21("6","4","3","4","6","6","3","1") = "5"
    & skf21("6","4","3","4","6","6","4","1") = "5"
    & skf21("6","4","3","4","6","6","5","1") = "5"
    & skf21("6","4","3","4","6","6","6","1") = "5"
    & skf21("6","4","3","4","6","6","7","1") = "6"
    & skf21("6","4","3","4","6","7","1","1") = "6"
    & skf21("6","4","3","4","6","7","2","1") = "6"
    & skf21("6","4","3","4","6","7","3","1") = "6"
    & skf21("6","4","3","4","6","7","4","1") = "6"
    & skf21("6","4","3","4","6","7","5","1") = "6"
    & skf21("6","4","3","4","6","7","6","1") = "6"
    & skf21("6","4","3","4","6","7","7","1") = "6"
    & skf21("6","4","3","4","7","1","1","1") = "6"
    & skf21("6","4","3","4","7","1","2","1") = "6"
    & skf21("6","4","3","4","7","1","3","1") = "6"
    & skf21("6","4","3","4","7","1","4","1") = "6"
    & skf21("6","4","3","4","7","1","5","1") = "6"
    & skf21("6","4","3","4","7","1","6","1") = "6"
    & skf21("6","4","3","4","7","1","7","1") = "6"
    & skf21("6","4","3","4","7","2","1","1") = "6"
    & skf21("6","4","3","4","7","2","2","1") = "6"
    & skf21("6","4","3","4","7","2","3","1") = "6"
    & skf21("6","4","3","4","7","2","4","1") = "6"
    & skf21("6","4","3","4","7","2","5","1") = "6"
    & skf21("6","4","3","4","7","2","6","1") = "6"
    & skf21("6","4","3","4","7","2","7","1") = "6"
    & skf21("6","4","3","4","7","3","1","1") = "6"
    & skf21("6","4","3","4","7","3","2","1") = "6"
    & skf21("6","4","3","4","7","3","3","1") = "6"
    & skf21("6","4","3","4","7","3","4","1") = "6"
    & skf21("6","4","3","4","7","3","5","1") = "6"
    & skf21("6","4","3","4","7","3","6","1") = "6"
    & skf21("6","4","3","4","7","3","7","1") = "6"
    & skf21("6","4","3","4","7","4","1","1") = "6"
    & skf21("6","4","3","4","7","4","2","1") = "6"
    & skf21("6","4","3","4","7","4","3","1") = "6"
    & skf21("6","4","3","4","7","4","4","1") = "6"
    & skf21("6","4","3","4","7","4","5","1") = "6"
    & skf21("6","4","3","4","7","4","6","1") = "6"
    & skf21("6","4","3","4","7","4","7","1") = "6"
    & skf21("6","4","3","4","7","5","1","1") = "6"
    & skf21("6","4","3","4","7","5","2","1") = "6"
    & skf21("6","4","3","4","7","5","3","1") = "6"
    & skf21("6","4","3","4","7","5","4","1") = "6"
    & skf21("6","4","3","4","7","5","5","1") = "6"
    & skf21("6","4","3","4","7","5","6","1") = "6"
    & skf21("6","4","3","4","7","5","7","1") = "6"
    & skf21("6","4","3","4","7","6","1","1") = "6"
    & skf21("6","4","3","4","7","6","2","1") = "6"
    & skf21("6","4","3","4","7","6","3","1") = "6"
    & skf21("6","4","3","4","7","6","4","1") = "6"
    & skf21("6","4","3","4","7","6","5","1") = "6"
    & skf21("6","4","3","4","7","6","6","1") = "6"
    & skf21("6","4","3","4","7","6","7","1") = "6"
    & skf21("6","4","3","4","7","7","1","1") = "6"
    & skf21("6","4","3","4","7","7","2","1") = "6"
    & skf21("6","4","3","4","7","7","3","1") = "6"
    & skf21("6","4","3","4","7","7","4","1") = "6"
    & skf21("6","4","3","4","7","7","5","1") = "6"
    & skf21("6","4","3","4","7","7","6","1") = "6"
    & skf21("6","4","3","4","7","7","7","1") = "6"
    & skf21("6","4","3","5","1","1","1","1") = "5"
    & skf21("6","4","3","5","1","1","2","1") = "5"
    & skf21("6","4","3","5","1","1","3","1") = "5"
    & skf21("6","4","3","5","1","1","4","1") = "5"
    & skf21("6","4","3","5","1","1","5","1") = "5"
    & skf21("6","4","3","5","1","1","6","1") = "5"
    & skf21("6","4","3","5","1","1","7","1") = "6"
    & skf21("6","4","3","5","1","2","1","1") = "5"
    & skf21("6","4","3","5","1","2","2","1") = "5"
    & skf21("6","4","3","5","1","2","3","1") = "5"
    & skf21("6","4","3","5","1","2","4","1") = "5"
    & skf21("6","4","3","5","1","2","5","1") = "5"
    & skf21("6","4","3","5","1","2","6","1") = "5"
    & skf21("6","4","3","5","1","2","7","1") = "6"
    & skf21("6","4","3","5","1","3","1","1") = "5"
    & skf21("6","4","3","5","1","3","2","1") = "5"
    & skf21("6","4","3","5","1","3","3","1") = "5"
    & skf21("6","4","3","5","1","3","4","1") = "5"
    & skf21("6","4","3","5","1","3","5","1") = "5"
    & skf21("6","4","3","5","1","3","6","1") = "5"
    & skf21("6","4","3","5","1","3","7","1") = "6"
    & skf21("6","4","3","5","1","4","1","1") = "5"
    & skf21("6","4","3","5","1","4","2","1") = "5"
    & skf21("6","4","3","5","1","4","3","1") = "5"
    & skf21("6","4","3","5","1","4","4","1") = "5"
    & skf21("6","4","3","5","1","4","5","1") = "5"
    & skf21("6","4","3","5","1","4","6","1") = "5"
    & skf21("6","4","3","5","1","4","7","1") = "6"
    & skf21("6","4","3","5","1","5","1","1") = "5"
    & skf21("6","4","3","5","1","5","2","1") = "5"
    & skf21("6","4","3","5","1","5","3","1") = "5"
    & skf21("6","4","3","5","1","5","4","1") = "5"
    & skf21("6","4","3","5","1","5","5","1") = "5"
    & skf21("6","4","3","5","1","5","6","1") = "5"
    & skf21("6","4","3","5","1","5","7","1") = "6"
    & skf21("6","4","3","5","1","6","1","1") = "5"
    & skf21("6","4","3","5","1","6","2","1") = "5"
    & skf21("6","4","3","5","1","6","3","1") = "5"
    & skf21("6","4","3","5","1","6","4","1") = "5"
    & skf21("6","4","3","5","1","6","5","1") = "5"
    & skf21("6","4","3","5","1","6","6","1") = "5"
    & skf21("6","4","3","5","1","6","7","1") = "6"
    & skf21("6","4","3","5","1","7","1","1") = "6"
    & skf21("6","4","3","5","1","7","2","1") = "6"
    & skf21("6","4","3","5","1","7","3","1") = "6"
    & skf21("6","4","3","5","1","7","4","1") = "6"
    & skf21("6","4","3","5","1","7","5","1") = "6"
    & skf21("6","4","3","5","1","7","6","1") = "6"
    & skf21("6","4","3","5","1","7","7","1") = "6"
    & skf21("6","4","3","5","2","1","1","1") = "5"
    & skf21("6","4","3","5","2","1","2","1") = "5"
    & skf21("6","4","3","5","2","1","3","1") = "5"
    & skf21("6","4","3","5","2","1","4","1") = "5"
    & skf21("6","4","3","5","2","1","5","1") = "5"
    & skf21("6","4","3","5","2","1","6","1") = "5"
    & skf21("6","4","3","5","2","1","7","1") = "6"
    & skf21("6","4","3","5","2","2","1","1") = "5"
    & skf21("6","4","3","5","2","2","2","1") = "5"
    & skf21("6","4","3","5","2","2","3","1") = "5"
    & skf21("6","4","3","5","2","2","4","1") = "5"
    & skf21("6","4","3","5","2","2","5","1") = "5"
    & skf21("6","4","3","5","2","2","6","1") = "5"
    & skf21("6","4","3","5","2","2","7","1") = "6"
    & skf21("6","4","3","5","2","3","1","1") = "5"
    & skf21("6","4","3","5","2","3","2","1") = "5"
    & skf21("6","4","3","5","2","3","3","1") = "5"
    & skf21("6","4","3","5","2","3","4","1") = "5"
    & skf21("6","4","3","5","2","3","5","1") = "5"
    & skf21("6","4","3","5","2","3","6","1") = "5"
    & skf21("6","4","3","5","2","3","7","1") = "6"
    & skf21("6","4","3","5","2","4","1","1") = "5"
    & skf21("6","4","3","5","2","4","2","1") = "5"
    & skf21("6","4","3","5","2","4","3","1") = "5"
    & skf21("6","4","3","5","2","4","4","1") = "5"
    & skf21("6","4","3","5","2","4","5","1") = "5"
    & skf21("6","4","3","5","2","4","6","1") = "5"
    & skf21("6","4","3","5","2","4","7","1") = "6"
    & skf21("6","4","3","5","2","5","1","1") = "5"
    & skf21("6","4","3","5","2","5","2","1") = "5"
    & skf21("6","4","3","5","2","5","3","1") = "5"
    & skf21("6","4","3","5","2","5","4","1") = "5"
    & skf21("6","4","3","5","2","5","5","1") = "5"
    & skf21("6","4","3","5","2","5","6","1") = "5"
    & skf21("6","4","3","5","2","5","7","1") = "6"
    & skf21("6","4","3","5","2","6","1","1") = "5"
    & skf21("6","4","3","5","2","6","2","1") = "5"
    & skf21("6","4","3","5","2","6","3","1") = "5"
    & skf21("6","4","3","5","2","6","4","1") = "5"
    & skf21("6","4","3","5","2","6","5","1") = "5"
    & skf21("6","4","3","5","2","6","6","1") = "5"
    & skf21("6","4","3","5","2","6","7","1") = "6"
    & skf21("6","4","3","5","2","7","1","1") = "6"
    & skf21("6","4","3","5","2","7","2","1") = "6"
    & skf21("6","4","3","5","2","7","3","1") = "6"
    & skf21("6","4","3","5","2","7","4","1") = "6"
    & skf21("6","4","3","5","2","7","5","1") = "6"
    & skf21("6","4","3","5","2","7","6","1") = "6"
    & skf21("6","4","3","5","2","7","7","1") = "6"
    & skf21("6","4","3","5","3","1","1","1") = "5"
    & skf21("6","4","3","5","3","1","2","1") = "5"
    & skf21("6","4","3","5","3","1","3","1") = "5"
    & skf21("6","4","3","5","3","1","4","1") = "5"
    & skf21("6","4","3","5","3","1","5","1") = "5"
    & skf21("6","4","3","5","3","1","6","1") = "5"
    & skf21("6","4","3","5","3","1","7","1") = "6"
    & skf21("6","4","3","5","3","2","1","1") = "5"
    & skf21("6","4","3","5","3","2","2","1") = "5"
    & skf21("6","4","3","5","3","2","3","1") = "5"
    & skf21("6","4","3","5","3","2","4","1") = "5"
    & skf21("6","4","3","5","3","2","5","1") = "5"
    & skf21("6","4","3","5","3","2","6","1") = "5"
    & skf21("6","4","3","5","3","2","7","1") = "6"
    & skf21("6","4","3","5","3","3","1","1") = "5"
    & skf21("6","4","3","5","3","3","2","1") = "5"
    & skf21("6","4","3","5","3","3","3","1") = "5"
    & skf21("6","4","3","5","3","3","4","1") = "5"
    & skf21("6","4","3","5","3","3","5","1") = "5"
    & skf21("6","4","3","5","3","3","6","1") = "5"
    & skf21("6","4","3","5","3","3","7","1") = "6"
    & skf21("6","4","3","5","3","4","1","1") = "5"
    & skf21("6","4","3","5","3","4","2","1") = "5"
    & skf21("6","4","3","5","3","4","3","1") = "5"
    & skf21("6","4","3","5","3","4","4","1") = "5"
    & skf21("6","4","3","5","3","4","5","1") = "5"
    & skf21("6","4","3","5","3","4","6","1") = "5"
    & skf21("6","4","3","5","3","4","7","1") = "6"
    & skf21("6","4","3","5","3","5","1","1") = "5"
    & skf21("6","4","3","5","3","5","2","1") = "5"
    & skf21("6","4","3","5","3","5","3","1") = "5"
    & skf21("6","4","3","5","3","5","4","1") = "5"
    & skf21("6","4","3","5","3","5","5","1") = "5"
    & skf21("6","4","3","5","3","5","6","1") = "5"
    & skf21("6","4","3","5","3","5","7","1") = "6"
    & skf21("6","4","3","5","3","6","1","1") = "5"
    & skf21("6","4","3","5","3","6","2","1") = "5"
    & skf21("6","4","3","5","3","6","3","1") = "5"
    & skf21("6","4","3","5","3","6","4","1") = "5"
    & skf21("6","4","3","5","3","6","5","1") = "5"
    & skf21("6","4","3","5","3","6","6","1") = "5"
    & skf21("6","4","3","5","3","6","7","1") = "6"
    & skf21("6","4","3","5","3","7","1","1") = "6"
    & skf21("6","4","3","5","3","7","2","1") = "6"
    & skf21("6","4","3","5","3","7","3","1") = "6"
    & skf21("6","4","3","5","3","7","4","1") = "6"
    & skf21("6","4","3","5","3","7","5","1") = "6"
    & skf21("6","4","3","5","3","7","6","1") = "6"
    & skf21("6","4","3","5","3","7","7","1") = "6"
    & skf21("6","4","3","5","4","1","1","1") = "5"
    & skf21("6","4","3","5","4","1","2","1") = "5"
    & skf21("6","4","3","5","4","1","3","1") = "5"
    & skf21("6","4","3","5","4","1","4","1") = "5"
    & skf21("6","4","3","5","4","1","5","1") = "5"
    & skf21("6","4","3","5","4","1","6","1") = "5"
    & skf21("6","4","3","5","4","1","7","1") = "6"
    & skf21("6","4","3","5","4","2","1","1") = "5"
    & skf21("6","4","3","5","4","2","2","1") = "5"
    & skf21("6","4","3","5","4","2","3","1") = "5"
    & skf21("6","4","3","5","4","2","4","1") = "5"
    & skf21("6","4","3","5","4","2","5","1") = "5"
    & skf21("6","4","3","5","4","2","6","1") = "5"
    & skf21("6","4","3","5","4","2","7","1") = "6"
    & skf21("6","4","3","5","4","3","1","1") = "5"
    & skf21("6","4","3","5","4","3","2","1") = "5"
    & skf21("6","4","3","5","4","3","3","1") = "5"
    & skf21("6","4","3","5","4","3","4","1") = "5"
    & skf21("6","4","3","5","4","3","5","1") = "5"
    & skf21("6","4","3","5","4","3","6","1") = "5"
    & skf21("6","4","3","5","4","3","7","1") = "6"
    & skf21("6","4","3","5","4","4","1","1") = "5"
    & skf21("6","4","3","5","4","4","2","1") = "5"
    & skf21("6","4","3","5","4","4","3","1") = "5"
    & skf21("6","4","3","5","4","4","4","1") = "5"
    & skf21("6","4","3","5","4","4","5","1") = "5"
    & skf21("6","4","3","5","4","4","6","1") = "5"
    & skf21("6","4","3","5","4","4","7","1") = "6"
    & skf21("6","4","3","5","4","5","1","1") = "5"
    & skf21("6","4","3","5","4","5","2","1") = "5"
    & skf21("6","4","3","5","4","5","3","1") = "5"
    & skf21("6","4","3","5","4","5","4","1") = "5"
    & skf21("6","4","3","5","4","5","5","1") = "5"
    & skf21("6","4","3","5","4","5","6","1") = "5"
    & skf21("6","4","3","5","4","5","7","1") = "6"
    & skf21("6","4","3","5","4","6","1","1") = "5"
    & skf21("6","4","3","5","4","6","2","1") = "5"
    & skf21("6","4","3","5","4","6","3","1") = "5"
    & skf21("6","4","3","5","4","6","4","1") = "5"
    & skf21("6","4","3","5","4","6","5","1") = "5"
    & skf21("6","4","3","5","4","6","6","1") = "5"
    & skf21("6","4","3","5","4","6","7","1") = "6"
    & skf21("6","4","3","5","4","7","1","1") = "6"
    & skf21("6","4","3","5","4","7","2","1") = "6"
    & skf21("6","4","3","5","4","7","3","1") = "6"
    & skf21("6","4","3","5","4","7","4","1") = "6"
    & skf21("6","4","3","5","4","7","5","1") = "6"
    & skf21("6","4","3","5","4","7","6","1") = "6"
    & skf21("6","4","3","5","4","7","7","1") = "6"
    & skf21("6","4","3","5","5","1","1","1") = "5"
    & skf21("6","4","3","5","5","1","2","1") = "5"
    & skf21("6","4","3","5","5","1","3","1") = "5"
    & skf21("6","4","3","5","5","1","4","1") = "5"
    & skf21("6","4","3","5","5","1","5","1") = "5"
    & skf21("6","4","3","5","5","1","6","1") = "5"
    & skf21("6","4","3","5","5","1","7","1") = "6"
    & skf21("6","4","3","5","5","2","1","1") = "5"
    & skf21("6","4","3","5","5","2","2","1") = "5"
    & skf21("6","4","3","5","5","2","3","1") = "5"
    & skf21("6","4","3","5","5","2","4","1") = "5"
    & skf21("6","4","3","5","5","2","5","1") = "5"
    & skf21("6","4","3","5","5","2","6","1") = "5"
    & skf21("6","4","3","5","5","2","7","1") = "6"
    & skf21("6","4","3","5","5","3","1","1") = "5"
    & skf21("6","4","3","5","5","3","2","1") = "5"
    & skf21("6","4","3","5","5","3","3","1") = "5"
    & skf21("6","4","3","5","5","3","4","1") = "5"
    & skf21("6","4","3","5","5","3","5","1") = "5"
    & skf21("6","4","3","5","5","3","6","1") = "5"
    & skf21("6","4","3","5","5","3","7","1") = "6"
    & skf21("6","4","3","5","5","4","1","1") = "5"
    & skf21("6","4","3","5","5","4","2","1") = "5"
    & skf21("6","4","3","5","5","4","3","1") = "5"
    & skf21("6","4","3","5","5","4","4","1") = "5"
    & skf21("6","4","3","5","5","4","5","1") = "5"
    & skf21("6","4","3","5","5","4","6","1") = "5"
    & skf21("6","4","3","5","5","4","7","1") = "6"
    & skf21("6","4","3","5","5","5","1","1") = "5"
    & skf21("6","4","3","5","5","5","2","1") = "5"
    & skf21("6","4","3","5","5","5","3","1") = "5"
    & skf21("6","4","3","5","5","5","4","1") = "5"
    & skf21("6","4","3","5","5","5","5","1") = "5"
    & skf21("6","4","3","5","5","5","6","1") = "5"
    & skf21("6","4","3","5","5","5","7","1") = "6"
    & skf21("6","4","3","5","5","6","1","1") = "5"
    & skf21("6","4","3","5","5","6","2","1") = "5"
    & skf21("6","4","3","5","5","6","3","1") = "5"
    & skf21("6","4","3","5","5","6","4","1") = "5"
    & skf21("6","4","3","5","5","6","5","1") = "5"
    & skf21("6","4","3","5","5","6","6","1") = "5"
    & skf21("6","4","3","5","5","6","7","1") = "6"
    & skf21("6","4","3","5","5","7","1","1") = "6"
    & skf21("6","4","3","5","5","7","2","1") = "6"
    & skf21("6","4","3","5","5","7","3","1") = "6"
    & skf21("6","4","3","5","5","7","4","1") = "6"
    & skf21("6","4","3","5","5","7","5","1") = "6"
    & skf21("6","4","3","5","5","7","6","1") = "6"
    & skf21("6","4","3","5","5","7","7","1") = "6"
    & skf21("6","4","3","5","6","1","1","1") = "5"
    & skf21("6","4","3","5","6","1","2","1") = "5"
    & skf21("6","4","3","5","6","1","3","1") = "5"
    & skf21("6","4","3","5","6","1","4","1") = "5"
    & skf21("6","4","3","5","6","1","5","1") = "5"
    & skf21("6","4","3","5","6","1","6","1") = "5"
    & skf21("6","4","3","5","6","1","7","1") = "6"
    & skf21("6","4","3","5","6","2","1","1") = "5"
    & skf21("6","4","3","5","6","2","2","1") = "5"
    & skf21("6","4","3","5","6","2","3","1") = "5"
    & skf21("6","4","3","5","6","2","4","1") = "5"
    & skf21("6","4","3","5","6","2","5","1") = "5"
    & skf21("6","4","3","5","6","2","6","1") = "5"
    & skf21("6","4","3","5","6","2","7","1") = "6"
    & skf21("6","4","3","5","6","3","1","1") = "5"
    & skf21("6","4","3","5","6","3","2","1") = "5"
    & skf21("6","4","3","5","6","3","3","1") = "5"
    & skf21("6","4","3","5","6","3","4","1") = "5"
    & skf21("6","4","3","5","6","3","5","1") = "5"
    & skf21("6","4","3","5","6","3","6","1") = "5"
    & skf21("6","4","3","5","6","3","7","1") = "6"
    & skf21("6","4","3","5","6","4","1","1") = "5"
    & skf21("6","4","3","5","6","4","2","1") = "5"
    & skf21("6","4","3","5","6","4","3","1") = "5"
    & skf21("6","4","3","5","6","4","4","1") = "5"
    & skf21("6","4","3","5","6","4","5","1") = "5"
    & skf21("6","4","3","5","6","4","6","1") = "5"
    & skf21("6","4","3","5","6","4","7","1") = "6"
    & skf21("6","4","3","5","6","5","1","1") = "5"
    & skf21("6","4","3","5","6","5","2","1") = "5"
    & skf21("6","4","3","5","6","5","3","1") = "5"
    & skf21("6","4","3","5","6","5","4","1") = "5"
    & skf21("6","4","3","5","6","5","5","1") = "5"
    & skf21("6","4","3","5","6","5","6","1") = "5"
    & skf21("6","4","3","5","6","5","7","1") = "6"
    & skf21("6","4","3","5","6","6","1","1") = "5"
    & skf21("6","4","3","5","6","6","2","1") = "5"
    & skf21("6","4","3","5","6","6","3","1") = "5"
    & skf21("6","4","3","5","6","6","4","1") = "5"
    & skf21("6","4","3","5","6","6","5","1") = "5"
    & skf21("6","4","3","5","6","6","6","1") = "5"
    & skf21("6","4","3","5","6","6","7","1") = "6"
    & skf21("6","4","3","5","6","7","1","1") = "6"
    & skf21("6","4","3","5","6","7","2","1") = "6"
    & skf21("6","4","3","5","6","7","3","1") = "6"
    & skf21("6","4","3","5","6","7","4","1") = "6"
    & skf21("6","4","3","5","6","7","5","1") = "6"
    & skf21("6","4","3","5","6","7","6","1") = "6"
    & skf21("6","4","3","5","6","7","7","1") = "6"
    & skf21("6","4","3","5","7","1","1","1") = "6"
    & skf21("6","4","3","5","7","1","2","1") = "6"
    & skf21("6","4","3","5","7","1","3","1") = "6"
    & skf21("6","4","3","5","7","1","4","1") = "6"
    & skf21("6","4","3","5","7","1","5","1") = "6"
    & skf21("6","4","3","5","7","1","6","1") = "6"
    & skf21("6","4","3","5","7","1","7","1") = "6"
    & skf21("6","4","3","5","7","2","1","1") = "6"
    & skf21("6","4","3","5","7","2","2","1") = "6"
    & skf21("6","4","3","5","7","2","3","1") = "6"
    & skf21("6","4","3","5","7","2","4","1") = "6"
    & skf21("6","4","3","5","7","2","5","1") = "6"
    & skf21("6","4","3","5","7","2","6","1") = "6"
    & skf21("6","4","3","5","7","2","7","1") = "6"
    & skf21("6","4","3","5","7","3","1","1") = "6"
    & skf21("6","4","3","5","7","3","2","1") = "6"
    & skf21("6","4","3","5","7","3","3","1") = "6"
    & skf21("6","4","3","5","7","3","4","1") = "6"
    & skf21("6","4","3","5","7","3","5","1") = "6"
    & skf21("6","4","3","5","7","3","6","1") = "6"
    & skf21("6","4","3","5","7","3","7","1") = "6"
    & skf21("6","4","3","5","7","4","1","1") = "6"
    & skf21("6","4","3","5","7","4","2","1") = "6"
    & skf21("6","4","3","5","7","4","3","1") = "6"
    & skf21("6","4","3","5","7","4","4","1") = "6"
    & skf21("6","4","3","5","7","4","5","1") = "6"
    & skf21("6","4","3","5","7","4","6","1") = "6"
    & skf21("6","4","3","5","7","4","7","1") = "6"
    & skf21("6","4","3","5","7","5","1","1") = "6"
    & skf21("6","4","3","5","7","5","2","1") = "6"
    & skf21("6","4","3","5","7","5","3","1") = "6"
    & skf21("6","4","3","5","7","5","4","1") = "6"
    & skf21("6","4","3","5","7","5","5","1") = "6"
    & skf21("6","4","3","5","7","5","6","1") = "6"
    & skf21("6","4","3","5","7","5","7","1") = "6"
    & skf21("6","4","3","5","7","6","1","1") = "6"
    & skf21("6","4","3","5","7","6","2","1") = "6"
    & skf21("6","4","3","5","7","6","3","1") = "6"
    & skf21("6","4","3","5","7","6","4","1") = "6"
    & skf21("6","4","3","5","7","6","5","1") = "6"
    & skf21("6","4","3","5","7","6","6","1") = "6"
    & skf21("6","4","3","5","7","6","7","1") = "6"
    & skf21("6","4","3","5","7","7","1","1") = "6"
    & skf21("6","4","3","5","7","7","2","1") = "6"
    & skf21("6","4","3","5","7","7","3","1") = "6"
    & skf21("6","4","3","5","7","7","4","1") = "6"
    & skf21("6","4","3","5","7","7","5","1") = "6"
    & skf21("6","4","3","5","7","7","6","1") = "6"
    & skf21("6","4","3","5","7","7","7","1") = "6"
    & skf21("6","4","3","6","1","1","1","1") = "5"
    & skf21("6","4","3","6","1","1","2","1") = "5"
    & skf21("6","4","3","6","1","1","3","1") = "5"
    & skf21("6","4","3","6","1","1","4","1") = "5"
    & skf21("6","4","3","6","1","1","5","1") = "5"
    & skf21("6","4","3","6","1","1","6","1") = "5"
    & skf21("6","4","3","6","1","1","7","1") = "6"
    & skf21("6","4","3","6","1","2","1","1") = "5"
    & skf21("6","4","3","6","1","2","2","1") = "5"
    & skf21("6","4","3","6","1","2","3","1") = "5"
    & skf21("6","4","3","6","1","2","4","1") = "5"
    & skf21("6","4","3","6","1","2","5","1") = "5"
    & skf21("6","4","3","6","1","2","6","1") = "5"
    & skf21("6","4","3","6","1","2","7","1") = "6"
    & skf21("6","4","3","6","1","3","1","1") = "5"
    & skf21("6","4","3","6","1","3","2","1") = "5"
    & skf21("6","4","3","6","1","3","3","1") = "5"
    & skf21("6","4","3","6","1","3","4","1") = "5"
    & skf21("6","4","3","6","1","3","5","1") = "5"
    & skf21("6","4","3","6","1","3","6","1") = "5"
    & skf21("6","4","3","6","1","3","7","1") = "6"
    & skf21("6","4","3","6","1","4","1","1") = "5"
    & skf21("6","4","3","6","1","4","2","1") = "5"
    & skf21("6","4","3","6","1","4","3","1") = "5"
    & skf21("6","4","3","6","1","4","4","1") = "5"
    & skf21("6","4","3","6","1","4","5","1") = "5"
    & skf21("6","4","3","6","1","4","6","1") = "5"
    & skf21("6","4","3","6","1","4","7","1") = "6"
    & skf21("6","4","3","6","1","5","1","1") = "5"
    & skf21("6","4","3","6","1","5","2","1") = "5"
    & skf21("6","4","3","6","1","5","3","1") = "5"
    & skf21("6","4","3","6","1","5","4","1") = "5"
    & skf21("6","4","3","6","1","5","5","1") = "5"
    & skf21("6","4","3","6","1","5","6","1") = "5"
    & skf21("6","4","3","6","1","5","7","1") = "6"
    & skf21("6","4","3","6","1","6","1","1") = "5"
    & skf21("6","4","3","6","1","6","2","1") = "5"
    & skf21("6","4","3","6","1","6","3","1") = "5"
    & skf21("6","4","3","6","1","6","4","1") = "5"
    & skf21("6","4","3","6","1","6","5","1") = "5"
    & skf21("6","4","3","6","1","6","6","1") = "5"
    & skf21("6","4","3","6","1","6","7","1") = "6"
    & skf21("6","4","3","6","1","7","1","1") = "6"
    & skf21("6","4","3","6","1","7","2","1") = "6"
    & skf21("6","4","3","6","1","7","3","1") = "6"
    & skf21("6","4","3","6","1","7","4","1") = "6"
    & skf21("6","4","3","6","1","7","5","1") = "6"
    & skf21("6","4","3","6","1","7","6","1") = "6"
    & skf21("6","4","3","6","1","7","7","1") = "6"
    & skf21("6","4","3","6","2","1","1","1") = "5"
    & skf21("6","4","3","6","2","1","2","1") = "5"
    & skf21("6","4","3","6","2","1","3","1") = "5"
    & skf21("6","4","3","6","2","1","4","1") = "5"
    & skf21("6","4","3","6","2","1","5","1") = "5"
    & skf21("6","4","3","6","2","1","6","1") = "5"
    & skf21("6","4","3","6","2","1","7","1") = "6"
    & skf21("6","4","3","6","2","2","1","1") = "5"
    & skf21("6","4","3","6","2","2","2","1") = "5"
    & skf21("6","4","3","6","2","2","3","1") = "5"
    & skf21("6","4","3","6","2","2","4","1") = "5"
    & skf21("6","4","3","6","2","2","5","1") = "5"
    & skf21("6","4","3","6","2","2","6","1") = "5"
    & skf21("6","4","3","6","2","2","7","1") = "6"
    & skf21("6","4","3","6","2","3","1","1") = "5"
    & skf21("6","4","3","6","2","3","2","1") = "5"
    & skf21("6","4","3","6","2","3","3","1") = "5"
    & skf21("6","4","3","6","2","3","4","1") = "5"
    & skf21("6","4","3","6","2","3","5","1") = "5"
    & skf21("6","4","3","6","2","3","6","1") = "5"
    & skf21("6","4","3","6","2","3","7","1") = "6"
    & skf21("6","4","3","6","2","4","1","1") = "5"
    & skf21("6","4","3","6","2","4","2","1") = "5"
    & skf21("6","4","3","6","2","4","3","1") = "5"
    & skf21("6","4","3","6","2","4","4","1") = "5"
    & skf21("6","4","3","6","2","4","5","1") = "5"
    & skf21("6","4","3","6","2","4","6","1") = "5"
    & skf21("6","4","3","6","2","4","7","1") = "6"
    & skf21("6","4","3","6","2","5","1","1") = "5"
    & skf21("6","4","3","6","2","5","2","1") = "5"
    & skf21("6","4","3","6","2","5","3","1") = "5"
    & skf21("6","4","3","6","2","5","4","1") = "5"
    & skf21("6","4","3","6","2","5","5","1") = "5"
    & skf21("6","4","3","6","2","5","6","1") = "5"
    & skf21("6","4","3","6","2","5","7","1") = "6"
    & skf21("6","4","3","6","2","6","1","1") = "5"
    & skf21("6","4","3","6","2","6","2","1") = "5"
    & skf21("6","4","3","6","2","6","3","1") = "5"
    & skf21("6","4","3","6","2","6","4","1") = "5"
    & skf21("6","4","3","6","2","6","5","1") = "5"
    & skf21("6","4","3","6","2","6","6","1") = "5"
    & skf21("6","4","3","6","2","6","7","1") = "6"
    & skf21("6","4","3","6","2","7","1","1") = "6"
    & skf21("6","4","3","6","2","7","2","1") = "6"
    & skf21("6","4","3","6","2","7","3","1") = "6"
    & skf21("6","4","3","6","2","7","4","1") = "6"
    & skf21("6","4","3","6","2","7","5","1") = "6"
    & skf21("6","4","3","6","2","7","6","1") = "6"
    & skf21("6","4","3","6","2","7","7","1") = "6"
    & skf21("6","4","3","6","3","1","1","1") = "5"
    & skf21("6","4","3","6","3","1","2","1") = "5"
    & skf21("6","4","3","6","3","1","3","1") = "5"
    & skf21("6","4","3","6","3","1","4","1") = "5"
    & skf21("6","4","3","6","3","1","5","1") = "5"
    & skf21("6","4","3","6","3","1","6","1") = "5"
    & skf21("6","4","3","6","3","1","7","1") = "6"
    & skf21("6","4","3","6","3","2","1","1") = "5"
    & skf21("6","4","3","6","3","2","2","1") = "5"
    & skf21("6","4","3","6","3","2","3","1") = "5"
    & skf21("6","4","3","6","3","2","4","1") = "5"
    & skf21("6","4","3","6","3","2","5","1") = "5"
    & skf21("6","4","3","6","3","2","6","1") = "5"
    & skf21("6","4","3","6","3","2","7","1") = "6"
    & skf21("6","4","3","6","3","3","1","1") = "5"
    & skf21("6","4","3","6","3","3","2","1") = "5"
    & skf21("6","4","3","6","3","3","3","1") = "5"
    & skf21("6","4","3","6","3","3","4","1") = "5"
    & skf21("6","4","3","6","3","3","5","1") = "5"
    & skf21("6","4","3","6","3","3","6","1") = "5"
    & skf21("6","4","3","6","3","3","7","1") = "6"
    & skf21("6","4","3","6","3","4","1","1") = "5"
    & skf21("6","4","3","6","3","4","2","1") = "5"
    & skf21("6","4","3","6","3","4","3","1") = "5"
    & skf21("6","4","3","6","3","4","4","1") = "5"
    & skf21("6","4","3","6","3","4","5","1") = "5"
    & skf21("6","4","3","6","3","4","6","1") = "5"
    & skf21("6","4","3","6","3","4","7","1") = "6"
    & skf21("6","4","3","6","3","5","1","1") = "5"
    & skf21("6","4","3","6","3","5","2","1") = "5"
    & skf21("6","4","3","6","3","5","3","1") = "5"
    & skf21("6","4","3","6","3","5","4","1") = "5"
    & skf21("6","4","3","6","3","5","5","1") = "5"
    & skf21("6","4","3","6","3","5","6","1") = "5"
    & skf21("6","4","3","6","3","5","7","1") = "6"
    & skf21("6","4","3","6","3","6","1","1") = "5"
    & skf21("6","4","3","6","3","6","2","1") = "5"
    & skf21("6","4","3","6","3","6","3","1") = "5"
    & skf21("6","4","3","6","3","6","4","1") = "5"
    & skf21("6","4","3","6","3","6","5","1") = "5"
    & skf21("6","4","3","6","3","6","6","1") = "5"
    & skf21("6","4","3","6","3","6","7","1") = "6"
    & skf21("6","4","3","6","3","7","1","1") = "6"
    & skf21("6","4","3","6","3","7","2","1") = "6"
    & skf21("6","4","3","6","3","7","3","1") = "6"
    & skf21("6","4","3","6","3","7","4","1") = "6"
    & skf21("6","4","3","6","3","7","5","1") = "6"
    & skf21("6","4","3","6","3","7","6","1") = "6"
    & skf21("6","4","3","6","3","7","7","1") = "6"
    & skf21("6","4","3","6","4","1","1","1") = "5"
    & skf21("6","4","3","6","4","1","2","1") = "5"
    & skf21("6","4","3","6","4","1","3","1") = "5"
    & skf21("6","4","3","6","4","1","4","1") = "5"
    & skf21("6","4","3","6","4","1","5","1") = "5"
    & skf21("6","4","3","6","4","1","6","1") = "5"
    & skf21("6","4","3","6","4","1","7","1") = "6"
    & skf21("6","4","3","6","4","2","1","1") = "5"
    & skf21("6","4","3","6","4","2","2","1") = "5"
    & skf21("6","4","3","6","4","2","3","1") = "5"
    & skf21("6","4","3","6","4","2","4","1") = "5"
    & skf21("6","4","3","6","4","2","5","1") = "5"
    & skf21("6","4","3","6","4","2","6","1") = "5"
    & skf21("6","4","3","6","4","2","7","1") = "6"
    & skf21("6","4","3","6","4","3","1","1") = "5"
    & skf21("6","4","3","6","4","3","2","1") = "5"
    & skf21("6","4","3","6","4","3","3","1") = "5"
    & skf21("6","4","3","6","4","3","4","1") = "5"
    & skf21("6","4","3","6","4","3","5","1") = "5"
    & skf21("6","4","3","6","4","3","6","1") = "5"
    & skf21("6","4","3","6","4","3","7","1") = "6"
    & skf21("6","4","3","6","4","4","1","1") = "5"
    & skf21("6","4","3","6","4","4","2","1") = "5"
    & skf21("6","4","3","6","4","4","3","1") = "5"
    & skf21("6","4","3","6","4","4","4","1") = "5"
    & skf21("6","4","3","6","4","4","5","1") = "5"
    & skf21("6","4","3","6","4","4","6","1") = "5"
    & skf21("6","4","3","6","4","4","7","1") = "6"
    & skf21("6","4","3","6","4","5","1","1") = "5"
    & skf21("6","4","3","6","4","5","2","1") = "5"
    & skf21("6","4","3","6","4","5","3","1") = "5"
    & skf21("6","4","3","6","4","5","4","1") = "5"
    & skf21("6","4","3","6","4","5","5","1") = "5"
    & skf21("6","4","3","6","4","5","6","1") = "5"
    & skf21("6","4","3","6","4","5","7","1") = "6"
    & skf21("6","4","3","6","4","6","1","1") = "5"
    & skf21("6","4","3","6","4","6","2","1") = "5"
    & skf21("6","4","3","6","4","6","3","1") = "5"
    & skf21("6","4","3","6","4","6","4","1") = "5"
    & skf21("6","4","3","6","4","6","5","1") = "5"
    & skf21("6","4","3","6","4","6","6","1") = "5"
    & skf21("6","4","3","6","4","6","7","1") = "6"
    & skf21("6","4","3","6","4","7","1","1") = "6"
    & skf21("6","4","3","6","4","7","2","1") = "6"
    & skf21("6","4","3","6","4","7","3","1") = "6"
    & skf21("6","4","3","6","4","7","4","1") = "6"
    & skf21("6","4","3","6","4","7","5","1") = "6"
    & skf21("6","4","3","6","4","7","6","1") = "6"
    & skf21("6","4","3","6","4","7","7","1") = "6"
    & skf21("6","4","3","6","5","1","1","1") = "5"
    & skf21("6","4","3","6","5","1","2","1") = "5"
    & skf21("6","4","3","6","5","1","3","1") = "5"
    & skf21("6","4","3","6","5","1","4","1") = "5"
    & skf21("6","4","3","6","5","1","5","1") = "5"
    & skf21("6","4","3","6","5","1","6","1") = "5"
    & skf21("6","4","3","6","5","1","7","1") = "6"
    & skf21("6","4","3","6","5","2","1","1") = "5"
    & skf21("6","4","3","6","5","2","2","1") = "5"
    & skf21("6","4","3","6","5","2","3","1") = "5"
    & skf21("6","4","3","6","5","2","4","1") = "5"
    & skf21("6","4","3","6","5","2","5","1") = "5"
    & skf21("6","4","3","6","5","2","6","1") = "5"
    & skf21("6","4","3","6","5","2","7","1") = "6"
    & skf21("6","4","3","6","5","3","1","1") = "5"
    & skf21("6","4","3","6","5","3","2","1") = "5"
    & skf21("6","4","3","6","5","3","3","1") = "5"
    & skf21("6","4","3","6","5","3","4","1") = "5"
    & skf21("6","4","3","6","5","3","5","1") = "5"
    & skf21("6","4","3","6","5","3","6","1") = "5"
    & skf21("6","4","3","6","5","3","7","1") = "6"
    & skf21("6","4","3","6","5","4","1","1") = "5"
    & skf21("6","4","3","6","5","4","2","1") = "5"
    & skf21("6","4","3","6","5","4","3","1") = "5"
    & skf21("6","4","3","6","5","4","4","1") = "5"
    & skf21("6","4","3","6","5","4","5","1") = "5"
    & skf21("6","4","3","6","5","4","6","1") = "5"
    & skf21("6","4","3","6","5","4","7","1") = "6"
    & skf21("6","4","3","6","5","5","1","1") = "5"
    & skf21("6","4","3","6","5","5","2","1") = "5"
    & skf21("6","4","3","6","5","5","3","1") = "5"
    & skf21("6","4","3","6","5","5","4","1") = "5"
    & skf21("6","4","3","6","5","5","5","1") = "5"
    & skf21("6","4","3","6","5","5","6","1") = "5"
    & skf21("6","4","3","6","5","5","7","1") = "6"
    & skf21("6","4","3","6","5","6","1","1") = "5"
    & skf21("6","4","3","6","5","6","2","1") = "5"
    & skf21("6","4","3","6","5","6","3","1") = "5"
    & skf21("6","4","3","6","5","6","4","1") = "5"
    & skf21("6","4","3","6","5","6","5","1") = "5"
    & skf21("6","4","3","6","5","6","6","1") = "5"
    & skf21("6","4","3","6","5","6","7","1") = "6"
    & skf21("6","4","3","6","5","7","1","1") = "6"
    & skf21("6","4","3","6","5","7","2","1") = "6"
    & skf21("6","4","3","6","5","7","3","1") = "6"
    & skf21("6","4","3","6","5","7","4","1") = "6"
    & skf21("6","4","3","6","5","7","5","1") = "6"
    & skf21("6","4","3","6","5","7","6","1") = "6"
    & skf21("6","4","3","6","5","7","7","1") = "6"
    & skf21("6","4","3","6","6","1","1","1") = "5"
    & skf21("6","4","3","6","6","1","2","1") = "5"
    & skf21("6","4","3","6","6","1","3","1") = "5"
    & skf21("6","4","3","6","6","1","4","1") = "5"
    & skf21("6","4","3","6","6","1","5","1") = "5"
    & skf21("6","4","3","6","6","1","6","1") = "5"
    & skf21("6","4","3","6","6","1","7","1") = "6"
    & skf21("6","4","3","6","6","2","1","1") = "5"
    & skf21("6","4","3","6","6","2","2","1") = "5"
    & skf21("6","4","3","6","6","2","3","1") = "5"
    & skf21("6","4","3","6","6","2","4","1") = "5"
    & skf21("6","4","3","6","6","2","5","1") = "5"
    & skf21("6","4","3","6","6","2","6","1") = "5"
    & skf21("6","4","3","6","6","2","7","1") = "6"
    & skf21("6","4","3","6","6","3","1","1") = "5"
    & skf21("6","4","3","6","6","3","2","1") = "5"
    & skf21("6","4","3","6","6","3","3","1") = "5"
    & skf21("6","4","3","6","6","3","4","1") = "5"
    & skf21("6","4","3","6","6","3","5","1") = "5"
    & skf21("6","4","3","6","6","3","6","1") = "5"
    & skf21("6","4","3","6","6","3","7","1") = "6"
    & skf21("6","4","3","6","6","4","1","1") = "5"
    & skf21("6","4","3","6","6","4","2","1") = "5"
    & skf21("6","4","3","6","6","4","3","1") = "5"
    & skf21("6","4","3","6","6","4","4","1") = "5"
    & skf21("6","4","3","6","6","4","5","1") = "5"
    & skf21("6","4","3","6","6","4","6","1") = "5"
    & skf21("6","4","3","6","6","4","7","1") = "6"
    & skf21("6","4","3","6","6","5","1","1") = "5"
    & skf21("6","4","3","6","6","5","2","1") = "5"
    & skf21("6","4","3","6","6","5","3","1") = "5"
    & skf21("6","4","3","6","6","5","4","1") = "5"
    & skf21("6","4","3","6","6","5","5","1") = "5"
    & skf21("6","4","3","6","6","5","6","1") = "5"
    & skf21("6","4","3","6","6","5","7","1") = "6"
    & skf21("6","4","3","6","6","6","1","1") = "5"
    & skf21("6","4","3","6","6","6","2","1") = "5"
    & skf21("6","4","3","6","6","6","3","1") = "5"
    & skf21("6","4","3","6","6","6","4","1") = "5"
    & skf21("6","4","3","6","6","6","5","1") = "5"
    & skf21("6","4","3","6","6","6","6","1") = "5"
    & skf21("6","4","3","6","6","6","7","1") = "6"
    & skf21("6","4","3","6","6","7","1","1") = "6"
    & skf21("6","4","3","6","6","7","2","1") = "6"
    & skf21("6","4","3","6","6","7","3","1") = "6"
    & skf21("6","4","3","6","6","7","4","1") = "6"
    & skf21("6","4","3","6","6","7","5","1") = "6"
    & skf21("6","4","3","6","6","7","6","1") = "6"
    & skf21("6","4","3","6","6","7","7","1") = "6"
    & skf21("6","4","3","6","7","1","1","1") = "6"
    & skf21("6","4","3","6","7","1","2","1") = "6"
    & skf21("6","4","3","6","7","1","3","1") = "6"
    & skf21("6","4","3","6","7","1","4","1") = "6"
    & skf21("6","4","3","6","7","1","5","1") = "6"
    & skf21("6","4","3","6","7","1","6","1") = "6"
    & skf21("6","4","3","6","7","1","7","1") = "6"
    & skf21("6","4","3","6","7","2","1","1") = "6"
    & skf21("6","4","3","6","7","2","2","1") = "6"
    & skf21("6","4","3","6","7","2","3","1") = "6"
    & skf21("6","4","3","6","7","2","4","1") = "6"
    & skf21("6","4","3","6","7","2","5","1") = "6"
    & skf21("6","4","3","6","7","2","6","1") = "6"
    & skf21("6","4","3","6","7","2","7","1") = "6"
    & skf21("6","4","3","6","7","3","1","1") = "6"
    & skf21("6","4","3","6","7","3","2","1") = "6"
    & skf21("6","4","3","6","7","3","3","1") = "6"
    & skf21("6","4","3","6","7","3","4","1") = "6"
    & skf21("6","4","3","6","7","3","5","1") = "6"
    & skf21("6","4","3","6","7","3","6","1") = "6"
    & skf21("6","4","3","6","7","3","7","1") = "6"
    & skf21("6","4","3","6","7","4","1","1") = "6"
    & skf21("6","4","3","6","7","4","2","1") = "6"
    & skf21("6","4","3","6","7","4","3","1") = "6"
    & skf21("6","4","3","6","7","4","4","1") = "6"
    & skf21("6","4","3","6","7","4","5","1") = "6"
    & skf21("6","4","3","6","7","4","6","1") = "6"
    & skf21("6","4","3","6","7","4","7","1") = "6"
    & skf21("6","4","3","6","7","5","1","1") = "6"
    & skf21("6","4","3","6","7","5","2","1") = "6"
    & skf21("6","4","3","6","7","5","3","1") = "6"
    & skf21("6","4","3","6","7","5","4","1") = "6"
    & skf21("6","4","3","6","7","5","5","1") = "6"
    & skf21("6","4","3","6","7","5","6","1") = "6"
    & skf21("6","4","3","6","7","5","7","1") = "6"
    & skf21("6","4","3","6","7","6","1","1") = "6"
    & skf21("6","4","3","6","7","6","2","1") = "6"
    & skf21("6","4","3","6","7","6","3","1") = "6"
    & skf21("6","4","3","6","7","6","4","1") = "6"
    & skf21("6","4","3","6","7","6","5","1") = "6"
    & skf21("6","4","3","6","7","6","6","1") = "6"
    & skf21("6","4","3","6","7","6","7","1") = "6"
    & skf21("6","4","3","6","7","7","1","1") = "6"
    & skf21("6","4","3","6","7","7","2","1") = "6"
    & skf21("6","4","3","6","7","7","3","1") = "6"
    & skf21("6","4","3","6","7","7","4","1") = "6"
    & skf21("6","4","3","6","7","7","5","1") = "6"
    & skf21("6","4","3","6","7","7","6","1") = "6"
    & skf21("6","4","3","6","7","7","7","1") = "6"
    & skf21("6","4","3","7","1","1","1","1") = "6"
    & skf21("6","4","3","7","1","1","2","1") = "6"
    & skf21("6","4","3","7","1","1","3","1") = "6"
    & skf21("6","4","3","7","1","1","4","1") = "6"
    & skf21("6","4","3","7","1","1","5","1") = "6"
    & skf21("6","4","3","7","1","1","6","1") = "6"
    & skf21("6","4","3","7","1","1","7","1") = "6"
    & skf21("6","4","3","7","1","2","1","1") = "6"
    & skf21("6","4","3","7","1","2","2","1") = "6"
    & skf21("6","4","3","7","1","2","3","1") = "6"
    & skf21("6","4","3","7","1","2","4","1") = "6"
    & skf21("6","4","3","7","1","2","5","1") = "6"
    & skf21("6","4","3","7","1","2","6","1") = "6"
    & skf21("6","4","3","7","1","2","7","1") = "6"
    & skf21("6","4","3","7","1","3","1","1") = "6"
    & skf21("6","4","3","7","1","3","2","1") = "6"
    & skf21("6","4","3","7","1","3","3","1") = "6"
    & skf21("6","4","3","7","1","3","4","1") = "6"
    & skf21("6","4","3","7","1","3","5","1") = "6"
    & skf21("6","4","3","7","1","3","6","1") = "6"
    & skf21("6","4","3","7","1","3","7","1") = "6"
    & skf21("6","4","3","7","1","4","1","1") = "6"
    & skf21("6","4","3","7","1","4","2","1") = "6"
    & skf21("6","4","3","7","1","4","3","1") = "6"
    & skf21("6","4","3","7","1","4","4","1") = "6"
    & skf21("6","4","3","7","1","4","5","1") = "6"
    & skf21("6","4","3","7","1","4","6","1") = "6"
    & skf21("6","4","3","7","1","4","7","1") = "6"
    & skf21("6","4","3","7","1","5","1","1") = "6"
    & skf21("6","4","3","7","1","5","2","1") = "6"
    & skf21("6","4","3","7","1","5","3","1") = "6"
    & skf21("6","4","3","7","1","5","4","1") = "6"
    & skf21("6","4","3","7","1","5","5","1") = "6"
    & skf21("6","4","3","7","1","5","6","1") = "6"
    & skf21("6","4","3","7","1","5","7","1") = "6"
    & skf21("6","4","3","7","1","6","1","1") = "6"
    & skf21("6","4","3","7","1","6","2","1") = "6"
    & skf21("6","4","3","7","1","6","3","1") = "6"
    & skf21("6","4","3","7","1","6","4","1") = "6"
    & skf21("6","4","3","7","1","6","5","1") = "6"
    & skf21("6","4","3","7","1","6","6","1") = "6"
    & skf21("6","4","3","7","1","6","7","1") = "6"
    & skf21("6","4","3","7","1","7","1","1") = "6"
    & skf21("6","4","3","7","1","7","2","1") = "6"
    & skf21("6","4","3","7","1","7","3","1") = "6"
    & skf21("6","4","3","7","1","7","4","1") = "6"
    & skf21("6","4","3","7","1","7","5","1") = "6"
    & skf21("6","4","3","7","1","7","6","1") = "6"
    & skf21("6","4","3","7","1","7","7","1") = "6"
    & skf21("6","4","3","7","2","1","1","1") = "6"
    & skf21("6","4","3","7","2","1","2","1") = "6"
    & skf21("6","4","3","7","2","1","3","1") = "6"
    & skf21("6","4","3","7","2","1","4","1") = "6"
    & skf21("6","4","3","7","2","1","5","1") = "6"
    & skf21("6","4","3","7","2","1","6","1") = "6"
    & skf21("6","4","3","7","2","1","7","1") = "6"
    & skf21("6","4","3","7","2","2","1","1") = "6"
    & skf21("6","4","3","7","2","2","2","1") = "6"
    & skf21("6","4","3","7","2","2","3","1") = "6"
    & skf21("6","4","3","7","2","2","4","1") = "6"
    & skf21("6","4","3","7","2","2","5","1") = "6"
    & skf21("6","4","3","7","2","2","6","1") = "6"
    & skf21("6","4","3","7","2","2","7","1") = "6"
    & skf21("6","4","3","7","2","3","1","1") = "6"
    & skf21("6","4","3","7","2","3","2","1") = "6"
    & skf21("6","4","3","7","2","3","3","1") = "6"
    & skf21("6","4","3","7","2","3","4","1") = "6"
    & skf21("6","4","3","7","2","3","5","1") = "6"
    & skf21("6","4","3","7","2","3","6","1") = "6"
    & skf21("6","4","3","7","2","3","7","1") = "6"
    & skf21("6","4","3","7","2","4","1","1") = "6"
    & skf21("6","4","3","7","2","4","2","1") = "6"
    & skf21("6","4","3","7","2","4","3","1") = "6"
    & skf21("6","4","3","7","2","4","4","1") = "6"
    & skf21("6","4","3","7","2","4","5","1") = "6"
    & skf21("6","4","3","7","2","4","6","1") = "6"
    & skf21("6","4","3","7","2","4","7","1") = "6"
    & skf21("6","4","3","7","2","5","1","1") = "6"
    & skf21("6","4","3","7","2","5","2","1") = "6"
    & skf21("6","4","3","7","2","5","3","1") = "6"
    & skf21("6","4","3","7","2","5","4","1") = "6"
    & skf21("6","4","3","7","2","5","5","1") = "6"
    & skf21("6","4","3","7","2","5","6","1") = "6"
    & skf21("6","4","3","7","2","5","7","1") = "6"
    & skf21("6","4","3","7","2","6","1","1") = "6"
    & skf21("6","4","3","7","2","6","2","1") = "6"
    & skf21("6","4","3","7","2","6","3","1") = "6"
    & skf21("6","4","3","7","2","6","4","1") = "6"
    & skf21("6","4","3","7","2","6","5","1") = "6"
    & skf21("6","4","3","7","2","6","6","1") = "6"
    & skf21("6","4","3","7","2","6","7","1") = "6"
    & skf21("6","4","3","7","2","7","1","1") = "6"
    & skf21("6","4","3","7","2","7","2","1") = "6"
    & skf21("6","4","3","7","2","7","3","1") = "6"
    & skf21("6","4","3","7","2","7","4","1") = "6"
    & skf21("6","4","3","7","2","7","5","1") = "6"
    & skf21("6","4","3","7","2","7","6","1") = "6"
    & skf21("6","4","3","7","2","7","7","1") = "6"
    & skf21("6","4","3","7","3","1","1","1") = "6"
    & skf21("6","4","3","7","3","1","2","1") = "6"
    & skf21("6","4","3","7","3","1","3","1") = "6"
    & skf21("6","4","3","7","3","1","4","1") = "6"
    & skf21("6","4","3","7","3","1","5","1") = "6"
    & skf21("6","4","3","7","3","1","6","1") = "6"
    & skf21("6","4","3","7","3","1","7","1") = "6"
    & skf21("6","4","3","7","3","2","1","1") = "6"
    & skf21("6","4","3","7","3","2","2","1") = "6"
    & skf21("6","4","3","7","3","2","3","1") = "6"
    & skf21("6","4","3","7","3","2","4","1") = "6"
    & skf21("6","4","3","7","3","2","5","1") = "6"
    & skf21("6","4","3","7","3","2","6","1") = "6"
    & skf21("6","4","3","7","3","2","7","1") = "6"
    & skf21("6","4","3","7","3","3","1","1") = "6"
    & skf21("6","4","3","7","3","3","2","1") = "6"
    & skf21("6","4","3","7","3","3","3","1") = "6"
    & skf21("6","4","3","7","3","3","4","1") = "6"
    & skf21("6","4","3","7","3","3","5","1") = "6"
    & skf21("6","4","3","7","3","3","6","1") = "6"
    & skf21("6","4","3","7","3","3","7","1") = "6"
    & skf21("6","4","3","7","3","4","1","1") = "6"
    & skf21("6","4","3","7","3","4","2","1") = "6"
    & skf21("6","4","3","7","3","4","3","1") = "6"
    & skf21("6","4","3","7","3","4","4","1") = "6"
    & skf21("6","4","3","7","3","4","5","1") = "6"
    & skf21("6","4","3","7","3","4","6","1") = "6"
    & skf21("6","4","3","7","3","4","7","1") = "6"
    & skf21("6","4","3","7","3","5","1","1") = "6"
    & skf21("6","4","3","7","3","5","2","1") = "6"
    & skf21("6","4","3","7","3","5","3","1") = "6"
    & skf21("6","4","3","7","3","5","4","1") = "6"
    & skf21("6","4","3","7","3","5","5","1") = "6"
    & skf21("6","4","3","7","3","5","6","1") = "6"
    & skf21("6","4","3","7","3","5","7","1") = "6"
    & skf21("6","4","3","7","3","6","1","1") = "6"
    & skf21("6","4","3","7","3","6","2","1") = "6"
    & skf21("6","4","3","7","3","6","3","1") = "6"
    & skf21("6","4","3","7","3","6","4","1") = "6"
    & skf21("6","4","3","7","3","6","5","1") = "6"
    & skf21("6","4","3","7","3","6","6","1") = "6"
    & skf21("6","4","3","7","3","6","7","1") = "6"
    & skf21("6","4","3","7","3","7","1","1") = "6"
    & skf21("6","4","3","7","3","7","2","1") = "6"
    & skf21("6","4","3","7","3","7","3","1") = "6"
    & skf21("6","4","3","7","3","7","4","1") = "6"
    & skf21("6","4","3","7","3","7","5","1") = "6"
    & skf21("6","4","3","7","3","7","6","1") = "6"
    & skf21("6","4","3","7","3","7","7","1") = "6"
    & skf21("6","4","3","7","4","1","1","1") = "6"
    & skf21("6","4","3","7","4","1","2","1") = "6"
    & skf21("6","4","3","7","4","1","3","1") = "6"
    & skf21("6","4","3","7","4","1","4","1") = "6"
    & skf21("6","4","3","7","4","1","5","1") = "6"
    & skf21("6","4","3","7","4","1","6","1") = "6"
    & skf21("6","4","3","7","4","1","7","1") = "6"
    & skf21("6","4","3","7","4","2","1","1") = "6"
    & skf21("6","4","3","7","4","2","2","1") = "6"
    & skf21("6","4","3","7","4","2","3","1") = "6"
    & skf21("6","4","3","7","4","2","4","1") = "6"
    & skf21("6","4","3","7","4","2","5","1") = "6"
    & skf21("6","4","3","7","4","2","6","1") = "6"
    & skf21("6","4","3","7","4","2","7","1") = "6"
    & skf21("6","4","3","7","4","3","1","1") = "6"
    & skf21("6","4","3","7","4","3","2","1") = "6"
    & skf21("6","4","3","7","4","3","3","1") = "6"
    & skf21("6","4","3","7","4","3","4","1") = "6"
    & skf21("6","4","3","7","4","3","5","1") = "6"
    & skf21("6","4","3","7","4","3","6","1") = "6"
    & skf21("6","4","3","7","4","3","7","1") = "6"
    & skf21("6","4","3","7","4","4","1","1") = "6"
    & skf21("6","4","3","7","4","4","2","1") = "6"
    & skf21("6","4","3","7","4","4","3","1") = "6"
    & skf21("6","4","3","7","4","4","4","1") = "6"
    & skf21("6","4","3","7","4","4","5","1") = "6"
    & skf21("6","4","3","7","4","4","6","1") = "6"
    & skf21("6","4","3","7","4","4","7","1") = "6"
    & skf21("6","4","3","7","4","5","1","1") = "6"
    & skf21("6","4","3","7","4","5","2","1") = "6"
    & skf21("6","4","3","7","4","5","3","1") = "6"
    & skf21("6","4","3","7","4","5","4","1") = "6"
    & skf21("6","4","3","7","4","5","5","1") = "6"
    & skf21("6","4","3","7","4","5","6","1") = "6"
    & skf21("6","4","3","7","4","5","7","1") = "6"
    & skf21("6","4","3","7","4","6","1","1") = "6"
    & skf21("6","4","3","7","4","6","2","1") = "6"
    & skf21("6","4","3","7","4","6","3","1") = "6"
    & skf21("6","4","3","7","4","6","4","1") = "6"
    & skf21("6","4","3","7","4","6","5","1") = "6"
    & skf21("6","4","3","7","4","6","6","1") = "6"
    & skf21("6","4","3","7","4","6","7","1") = "6"
    & skf21("6","4","3","7","4","7","1","1") = "6"
    & skf21("6","4","3","7","4","7","2","1") = "6"
    & skf21("6","4","3","7","4","7","3","1") = "6"
    & skf21("6","4","3","7","4","7","4","1") = "6"
    & skf21("6","4","3","7","4","7","5","1") = "6"
    & skf21("6","4","3","7","4","7","6","1") = "6"
    & skf21("6","4","3","7","4","7","7","1") = "6"
    & skf21("6","4","3","7","5","1","1","1") = "6"
    & skf21("6","4","3","7","5","1","2","1") = "6"
    & skf21("6","4","3","7","5","1","3","1") = "6"
    & skf21("6","4","3","7","5","1","4","1") = "6"
    & skf21("6","4","3","7","5","1","5","1") = "6"
    & skf21("6","4","3","7","5","1","6","1") = "6"
    & skf21("6","4","3","7","5","1","7","1") = "6"
    & skf21("6","4","3","7","5","2","1","1") = "6"
    & skf21("6","4","3","7","5","2","2","1") = "6"
    & skf21("6","4","3","7","5","2","3","1") = "6"
    & skf21("6","4","3","7","5","2","4","1") = "6"
    & skf21("6","4","3","7","5","2","5","1") = "6"
    & skf21("6","4","3","7","5","2","6","1") = "6"
    & skf21("6","4","3","7","5","2","7","1") = "6"
    & skf21("6","4","3","7","5","3","1","1") = "6"
    & skf21("6","4","3","7","5","3","2","1") = "6"
    & skf21("6","4","3","7","5","3","3","1") = "6"
    & skf21("6","4","3","7","5","3","4","1") = "6"
    & skf21("6","4","3","7","5","3","5","1") = "6"
    & skf21("6","4","3","7","5","3","6","1") = "6"
    & skf21("6","4","3","7","5","3","7","1") = "6"
    & skf21("6","4","3","7","5","4","1","1") = "6"
    & skf21("6","4","3","7","5","4","2","1") = "6"
    & skf21("6","4","3","7","5","4","3","1") = "6"
    & skf21("6","4","3","7","5","4","4","1") = "6"
    & skf21("6","4","3","7","5","4","5","1") = "6"
    & skf21("6","4","3","7","5","4","6","1") = "6"
    & skf21("6","4","3","7","5","4","7","1") = "6"
    & skf21("6","4","3","7","5","5","1","1") = "6"
    & skf21("6","4","3","7","5","5","2","1") = "6"
    & skf21("6","4","3","7","5","5","3","1") = "6"
    & skf21("6","4","3","7","5","5","4","1") = "6"
    & skf21("6","4","3","7","5","5","5","1") = "6"
    & skf21("6","4","3","7","5","5","6","1") = "6"
    & skf21("6","4","3","7","5","5","7","1") = "6"
    & skf21("6","4","3","7","5","6","1","1") = "6"
    & skf21("6","4","3","7","5","6","2","1") = "6"
    & skf21("6","4","3","7","5","6","3","1") = "6"
    & skf21("6","4","3","7","5","6","4","1") = "6"
    & skf21("6","4","3","7","5","6","5","1") = "6"
    & skf21("6","4","3","7","5","6","6","1") = "6"
    & skf21("6","4","3","7","5","6","7","1") = "6"
    & skf21("6","4","3","7","5","7","1","1") = "6"
    & skf21("6","4","3","7","5","7","2","1") = "6"
    & skf21("6","4","3","7","5","7","3","1") = "6"
    & skf21("6","4","3","7","5","7","4","1") = "6"
    & skf21("6","4","3","7","5","7","5","1") = "6"
    & skf21("6","4","3","7","5","7","6","1") = "6"
    & skf21("6","4","3","7","5","7","7","1") = "6"
    & skf21("6","4","3","7","6","1","1","1") = "6"
    & skf21("6","4","3","7","6","1","2","1") = "6"
    & skf21("6","4","3","7","6","1","3","1") = "6"
    & skf21("6","4","3","7","6","1","4","1") = "6"
    & skf21("6","4","3","7","6","1","5","1") = "6"
    & skf21("6","4","3","7","6","1","6","1") = "6"
    & skf21("6","4","3","7","6","1","7","1") = "6"
    & skf21("6","4","3","7","6","2","1","1") = "6"
    & skf21("6","4","3","7","6","2","2","1") = "6"
    & skf21("6","4","3","7","6","2","3","1") = "6"
    & skf21("6","4","3","7","6","2","4","1") = "6"
    & skf21("6","4","3","7","6","2","5","1") = "6"
    & skf21("6","4","3","7","6","2","6","1") = "6"
    & skf21("6","4","3","7","6","2","7","1") = "6"
    & skf21("6","4","3","7","6","3","1","1") = "6"
    & skf21("6","4","3","7","6","3","2","1") = "6"
    & skf21("6","4","3","7","6","3","3","1") = "6"
    & skf21("6","4","3","7","6","3","4","1") = "6"
    & skf21("6","4","3","7","6","3","5","1") = "6"
    & skf21("6","4","3","7","6","3","6","1") = "6"
    & skf21("6","4","3","7","6","3","7","1") = "6"
    & skf21("6","4","3","7","6","4","1","1") = "6"
    & skf21("6","4","3","7","6","4","2","1") = "6"
    & skf21("6","4","3","7","6","4","3","1") = "6"
    & skf21("6","4","3","7","6","4","4","1") = "6"
    & skf21("6","4","3","7","6","4","5","1") = "6"
    & skf21("6","4","3","7","6","4","6","1") = "6"
    & skf21("6","4","3","7","6","4","7","1") = "6"
    & skf21("6","4","3","7","6","5","1","1") = "6"
    & skf21("6","4","3","7","6","5","2","1") = "6"
    & skf21("6","4","3","7","6","5","3","1") = "6"
    & skf21("6","4","3","7","6","5","4","1") = "6"
    & skf21("6","4","3","7","6","5","5","1") = "6"
    & skf21("6","4","3","7","6","5","6","1") = "6"
    & skf21("6","4","3","7","6","5","7","1") = "6"
    & skf21("6","4","3","7","6","6","1","1") = "6"
    & skf21("6","4","3","7","6","6","2","1") = "6"
    & skf21("6","4","3","7","6","6","3","1") = "6"
    & skf21("6","4","3","7","6","6","4","1") = "6"
    & skf21("6","4","3","7","6","6","5","1") = "6"
    & skf21("6","4","3","7","6","6","6","1") = "6"
    & skf21("6","4","3","7","6","6","7","1") = "6"
    & skf21("6","4","3","7","6","7","1","1") = "6"
    & skf21("6","4","3","7","6","7","2","1") = "6"
    & skf21("6","4","3","7","6","7","3","1") = "6"
    & skf21("6","4","3","7","6","7","4","1") = "6"
    & skf21("6","4","3","7","6","7","5","1") = "6"
    & skf21("6","4","3","7","6","7","6","1") = "6"
    & skf21("6","4","3","7","6","7","7","1") = "6"
    & skf21("6","4","3","7","7","1","1","1") = "6"
    & skf21("6","4","3","7","7","1","2","1") = "6"
    & skf21("6","4","3","7","7","1","3","1") = "6"
    & skf21("6","4","3","7","7","1","4","1") = "6"
    & skf21("6","4","3","7","7","1","5","1") = "6"
    & skf21("6","4","3","7","7","1","6","1") = "6"
    & skf21("6","4","3","7","7","1","7","1") = "6"
    & skf21("6","4","3","7","7","2","1","1") = "6"
    & skf21("6","4","3","7","7","2","2","1") = "6"
    & skf21("6","4","3","7","7","2","3","1") = "6"
    & skf21("6","4","3","7","7","2","4","1") = "6"
    & skf21("6","4","3","7","7","2","5","1") = "6"
    & skf21("6","4","3","7","7","2","6","1") = "6"
    & skf21("6","4","3","7","7","2","7","1") = "6"
    & skf21("6","4","3","7","7","3","1","1") = "6"
    & skf21("6","4","3","7","7","3","2","1") = "6"
    & skf21("6","4","3","7","7","3","3","1") = "6"
    & skf21("6","4","3","7","7","3","4","1") = "6"
    & skf21("6","4","3","7","7","3","5","1") = "6"
    & skf21("6","4","3","7","7","3","6","1") = "6"
    & skf21("6","4","3","7","7","3","7","1") = "6"
    & skf21("6","4","3","7","7","4","1","1") = "6"
    & skf21("6","4","3","7","7","4","2","1") = "6"
    & skf21("6","4","3","7","7","4","3","1") = "6"
    & skf21("6","4","3","7","7","4","4","1") = "6"
    & skf21("6","4","3","7","7","4","5","1") = "6"
    & skf21("6","4","3","7","7","4","6","1") = "6"
    & skf21("6","4","3","7","7","4","7","1") = "6"
    & skf21("6","4","3","7","7","5","1","1") = "6"
    & skf21("6","4","3","7","7","5","2","1") = "6"
    & skf21("6","4","3","7","7","5","3","1") = "6"
    & skf21("6","4","3","7","7","5","4","1") = "6"
    & skf21("6","4","3","7","7","5","5","1") = "6"
    & skf21("6","4","3","7","7","5","6","1") = "6"
    & skf21("6","4","3","7","7","5","7","1") = "6"
    & skf21("6","4","3","7","7","6","1","1") = "6"
    & skf21("6","4","3","7","7","6","2","1") = "6"
    & skf21("6","4","3","7","7","6","3","1") = "6"
    & skf21("6","4","3","7","7","6","4","1") = "6"
    & skf21("6","4","3","7","7","6","5","1") = "6"
    & skf21("6","4","3","7","7","6","6","1") = "6"
    & skf21("6","4","3","7","7","6","7","1") = "6"
    & skf21("6","4","3","7","7","7","1","1") = "6"
    & skf21("6","4","3","7","7","7","2","1") = "6"
    & skf21("6","4","3","7","7","7","3","1") = "6"
    & skf21("6","4","3","7","7","7","4","1") = "6"
    & skf21("6","4","3","7","7","7","5","1") = "6"
    & skf21("6","4","3","7","7","7","6","1") = "6"
    & skf21("6","4","3","7","7","7","7","1") = "6"
    & skf21("6","4","4","1","1","1","1","1") = "5"
    & skf21("6","4","4","1","1","1","2","1") = "5"
    & skf21("6","4","4","1","1","1","3","1") = "5"
    & skf21("6","4","4","1","1","1","4","1") = "5"
    & skf21("6","4","4","1","1","1","5","1") = "5"
    & skf21("6","4","4","1","1","1","6","1") = "5"
    & skf21("6","4","4","1","1","1","7","1") = "6"
    & skf21("6","4","4","1","1","2","1","1") = "5"
    & skf21("6","4","4","1","1","2","2","1") = "5"
    & skf21("6","4","4","1","1","2","3","1") = "5"
    & skf21("6","4","4","1","1","2","4","1") = "5"
    & skf21("6","4","4","1","1","2","5","1") = "5"
    & skf21("6","4","4","1","1","2","6","1") = "5"
    & skf21("6","4","4","1","1","2","7","1") = "6"
    & skf21("6","4","4","1","1","3","1","1") = "5"
    & skf21("6","4","4","1","1","3","2","1") = "5"
    & skf21("6","4","4","1","1","3","3","1") = "5"
    & skf21("6","4","4","1","1","3","4","1") = "5"
    & skf21("6","4","4","1","1","3","5","1") = "5"
    & skf21("6","4","4","1","1","3","6","1") = "5"
    & skf21("6","4","4","1","1","3","7","1") = "6"
    & skf21("6","4","4","1","1","4","1","1") = "5"
    & skf21("6","4","4","1","1","4","2","1") = "5"
    & skf21("6","4","4","1","1","4","3","1") = "5"
    & skf21("6","4","4","1","1","4","4","1") = "5"
    & skf21("6","4","4","1","1","4","5","1") = "5"
    & skf21("6","4","4","1","1","4","6","1") = "5"
    & skf21("6","4","4","1","1","4","7","1") = "6"
    & skf21("6","4","4","1","1","5","1","1") = "5"
    & skf21("6","4","4","1","1","5","2","1") = "5"
    & skf21("6","4","4","1","1","5","3","1") = "5"
    & skf21("6","4","4","1","1","5","4","1") = "5"
    & skf21("6","4","4","1","1","5","5","1") = "5"
    & skf21("6","4","4","1","1","5","6","1") = "5"
    & skf21("6","4","4","1","1","5","7","1") = "6"
    & skf21("6","4","4","1","1","6","1","1") = "5"
    & skf21("6","4","4","1","1","6","2","1") = "5"
    & skf21("6","4","4","1","1","6","3","1") = "5"
    & skf21("6","4","4","1","1","6","4","1") = "5"
    & skf21("6","4","4","1","1","6","5","1") = "5"
    & skf21("6","4","4","1","1","6","6","1") = "5"
    & skf21("6","4","4","1","1","6","7","1") = "6"
    & skf21("6","4","4","1","1","7","1","1") = "6"
    & skf21("6","4","4","1","1","7","2","1") = "6"
    & skf21("6","4","4","1","1","7","3","1") = "6"
    & skf21("6","4","4","1","1","7","4","1") = "6"
    & skf21("6","4","4","1","1","7","5","1") = "6"
    & skf21("6","4","4","1","1","7","6","1") = "6"
    & skf21("6","4","4","1","1","7","7","1") = "6"
    & skf21("6","4","4","1","2","1","1","1") = "5"
    & skf21("6","4","4","1","2","1","2","1") = "5"
    & skf21("6","4","4","1","2","1","3","1") = "5"
    & skf21("6","4","4","1","2","1","4","1") = "5"
    & skf21("6","4","4","1","2","1","5","1") = "5"
    & skf21("6","4","4","1","2","1","6","1") = "5"
    & skf21("6","4","4","1","2","1","7","1") = "6"
    & skf21("6","4","4","1","2","2","1","1") = "5"
    & skf21("6","4","4","1","2","2","2","1") = "5"
    & skf21("6","4","4","1","2","2","3","1") = "5"
    & skf21("6","4","4","1","2","2","4","1") = "5"
    & skf21("6","4","4","1","2","2","5","1") = "5"
    & skf21("6","4","4","1","2","2","6","1") = "5"
    & skf21("6","4","4","1","2","2","7","1") = "6"
    & skf21("6","4","4","1","2","3","1","1") = "5"
    & skf21("6","4","4","1","2","3","2","1") = "5"
    & skf21("6","4","4","1","2","3","3","1") = "5"
    & skf21("6","4","4","1","2","3","4","1") = "5"
    & skf21("6","4","4","1","2","3","5","1") = "5"
    & skf21("6","4","4","1","2","3","6","1") = "5"
    & skf21("6","4","4","1","2","3","7","1") = "6"
    & skf21("6","4","4","1","2","4","1","1") = "5"
    & skf21("6","4","4","1","2","4","2","1") = "5"
    & skf21("6","4","4","1","2","4","3","1") = "5"
    & skf21("6","4","4","1","2","4","4","1") = "5"
    & skf21("6","4","4","1","2","4","5","1") = "5"
    & skf21("6","4","4","1","2","4","6","1") = "5"
    & skf21("6","4","4","1","2","4","7","1") = "6"
    & skf21("6","4","4","1","2","5","1","1") = "5"
    & skf21("6","4","4","1","2","5","2","1") = "5"
    & skf21("6","4","4","1","2","5","3","1") = "5"
    & skf21("6","4","4","1","2","5","4","1") = "5"
    & skf21("6","4","4","1","2","5","5","1") = "5"
    & skf21("6","4","4","1","2","5","6","1") = "5"
    & skf21("6","4","4","1","2","5","7","1") = "6"
    & skf21("6","4","4","1","2","6","1","1") = "5"
    & skf21("6","4","4","1","2","6","2","1") = "5"
    & skf21("6","4","4","1","2","6","3","1") = "5"
    & skf21("6","4","4","1","2","6","4","1") = "5"
    & skf21("6","4","4","1","2","6","5","1") = "5"
    & skf21("6","4","4","1","2","6","6","1") = "5"
    & skf21("6","4","4","1","2","6","7","1") = "6"
    & skf21("6","4","4","1","2","7","1","1") = "6"
    & skf21("6","4","4","1","2","7","2","1") = "6"
    & skf21("6","4","4","1","2","7","3","1") = "6"
    & skf21("6","4","4","1","2","7","4","1") = "6"
    & skf21("6","4","4","1","2","7","5","1") = "6"
    & skf21("6","4","4","1","2","7","6","1") = "6"
    & skf21("6","4","4","1","2","7","7","1") = "6"
    & skf21("6","4","4","1","3","1","1","1") = "5"
    & skf21("6","4","4","1","3","1","2","1") = "5"
    & skf21("6","4","4","1","3","1","3","1") = "5"
    & skf21("6","4","4","1","3","1","4","1") = "5"
    & skf21("6","4","4","1","3","1","5","1") = "5"
    & skf21("6","4","4","1","3","1","6","1") = "5"
    & skf21("6","4","4","1","3","1","7","1") = "6"
    & skf21("6","4","4","1","3","2","1","1") = "5"
    & skf21("6","4","4","1","3","2","2","1") = "5"
    & skf21("6","4","4","1","3","2","3","1") = "5"
    & skf21("6","4","4","1","3","2","4","1") = "5"
    & skf21("6","4","4","1","3","2","5","1") = "5"
    & skf21("6","4","4","1","3","2","6","1") = "5"
    & skf21("6","4","4","1","3","2","7","1") = "6"
    & skf21("6","4","4","1","3","3","1","1") = "5"
    & skf21("6","4","4","1","3","3","2","1") = "5"
    & skf21("6","4","4","1","3","3","3","1") = "5"
    & skf21("6","4","4","1","3","3","4","1") = "5"
    & skf21("6","4","4","1","3","3","5","1") = "5"
    & skf21("6","4","4","1","3","3","6","1") = "5"
    & skf21("6","4","4","1","3","3","7","1") = "6"
    & skf21("6","4","4","1","3","4","1","1") = "5"
    & skf21("6","4","4","1","3","4","2","1") = "5"
    & skf21("6","4","4","1","3","4","3","1") = "5"
    & skf21("6","4","4","1","3","4","4","1") = "5"
    & skf21("6","4","4","1","3","4","5","1") = "5"
    & skf21("6","4","4","1","3","4","6","1") = "5"
    & skf21("6","4","4","1","3","4","7","1") = "6"
    & skf21("6","4","4","1","3","5","1","1") = "5"
    & skf21("6","4","4","1","3","5","2","1") = "5"
    & skf21("6","4","4","1","3","5","3","1") = "5"
    & skf21("6","4","4","1","3","5","4","1") = "5"
    & skf21("6","4","4","1","3","5","5","1") = "5"
    & skf21("6","4","4","1","3","5","6","1") = "5"
    & skf21("6","4","4","1","3","5","7","1") = "6"
    & skf21("6","4","4","1","3","6","1","1") = "5"
    & skf21("6","4","4","1","3","6","2","1") = "5"
    & skf21("6","4","4","1","3","6","3","1") = "5"
    & skf21("6","4","4","1","3","6","4","1") = "5"
    & skf21("6","4","4","1","3","6","5","1") = "5"
    & skf21("6","4","4","1","3","6","6","1") = "5"
    & skf21("6","4","4","1","3","6","7","1") = "6"
    & skf21("6","4","4","1","3","7","1","1") = "6"
    & skf21("6","4","4","1","3","7","2","1") = "6"
    & skf21("6","4","4","1","3","7","3","1") = "6"
    & skf21("6","4","4","1","3","7","4","1") = "6"
    & skf21("6","4","4","1","3","7","5","1") = "6"
    & skf21("6","4","4","1","3","7","6","1") = "6"
    & skf21("6","4","4","1","3","7","7","1") = "6"
    & skf21("6","4","4","1","4","1","1","1") = "5"
    & skf21("6","4","4","1","4","1","2","1") = "5"
    & skf21("6","4","4","1","4","1","3","1") = "5"
    & skf21("6","4","4","1","4","1","4","1") = "5"
    & skf21("6","4","4","1","4","1","5","1") = "5"
    & skf21("6","4","4","1","4","1","6","1") = "5"
    & skf21("6","4","4","1","4","1","7","1") = "6"
    & skf21("6","4","4","1","4","2","1","1") = "5"
    & skf21("6","4","4","1","4","2","2","1") = "5"
    & skf21("6","4","4","1","4","2","3","1") = "5"
    & skf21("6","4","4","1","4","2","4","1") = "5"
    & skf21("6","4","4","1","4","2","5","1") = "5"
    & skf21("6","4","4","1","4","2","6","1") = "5"
    & skf21("6","4","4","1","4","2","7","1") = "6"
    & skf21("6","4","4","1","4","3","1","1") = "5"
    & skf21("6","4","4","1","4","3","2","1") = "5"
    & skf21("6","4","4","1","4","3","3","1") = "5"
    & skf21("6","4","4","1","4","3","4","1") = "5"
    & skf21("6","4","4","1","4","3","5","1") = "5"
    & skf21("6","4","4","1","4","3","6","1") = "5"
    & skf21("6","4","4","1","4","3","7","1") = "6"
    & skf21("6","4","4","1","4","4","1","1") = "5"
    & skf21("6","4","4","1","4","4","2","1") = "5"
    & skf21("6","4","4","1","4","4","3","1") = "5"
    & skf21("6","4","4","1","4","4","4","1") = "5"
    & skf21("6","4","4","1","4","4","5","1") = "5"
    & skf21("6","4","4","1","4","4","6","1") = "5"
    & skf21("6","4","4","1","4","4","7","1") = "6"
    & skf21("6","4","4","1","4","5","1","1") = "5"
    & skf21("6","4","4","1","4","5","2","1") = "5"
    & skf21("6","4","4","1","4","5","3","1") = "5"
    & skf21("6","4","4","1","4","5","4","1") = "5"
    & skf21("6","4","4","1","4","5","5","1") = "5"
    & skf21("6","4","4","1","4","5","6","1") = "5"
    & skf21("6","4","4","1","4","5","7","1") = "6"
    & skf21("6","4","4","1","4","6","1","1") = "5"
    & skf21("6","4","4","1","4","6","2","1") = "5"
    & skf21("6","4","4","1","4","6","3","1") = "5"
    & skf21("6","4","4","1","4","6","4","1") = "5"
    & skf21("6","4","4","1","4","6","5","1") = "5"
    & skf21("6","4","4","1","4","6","6","1") = "5"
    & skf21("6","4","4","1","4","6","7","1") = "6"
    & skf21("6","4","4","1","4","7","1","1") = "6"
    & skf21("6","4","4","1","4","7","2","1") = "6"
    & skf21("6","4","4","1","4","7","3","1") = "6"
    & skf21("6","4","4","1","4","7","4","1") = "6"
    & skf21("6","4","4","1","4","7","5","1") = "6"
    & skf21("6","4","4","1","4","7","6","1") = "6"
    & skf21("6","4","4","1","4","7","7","1") = "6"
    & skf21("6","4","4","1","5","1","1","1") = "5"
    & skf21("6","4","4","1","5","1","2","1") = "5"
    & skf21("6","4","4","1","5","1","3","1") = "5"
    & skf21("6","4","4","1","5","1","4","1") = "5"
    & skf21("6","4","4","1","5","1","5","1") = "5"
    & skf21("6","4","4","1","5","1","6","1") = "5"
    & skf21("6","4","4","1","5","1","7","1") = "6"
    & skf21("6","4","4","1","5","2","1","1") = "5"
    & skf21("6","4","4","1","5","2","2","1") = "5"
    & skf21("6","4","4","1","5","2","3","1") = "5"
    & skf21("6","4","4","1","5","2","4","1") = "5"
    & skf21("6","4","4","1","5","2","5","1") = "5"
    & skf21("6","4","4","1","5","2","6","1") = "5"
    & skf21("6","4","4","1","5","2","7","1") = "6"
    & skf21("6","4","4","1","5","3","1","1") = "5"
    & skf21("6","4","4","1","5","3","2","1") = "5"
    & skf21("6","4","4","1","5","3","3","1") = "5"
    & skf21("6","4","4","1","5","3","4","1") = "5"
    & skf21("6","4","4","1","5","3","5","1") = "5"
    & skf21("6","4","4","1","5","3","6","1") = "5"
    & skf21("6","4","4","1","5","3","7","1") = "6"
    & skf21("6","4","4","1","5","4","1","1") = "5"
    & skf21("6","4","4","1","5","4","2","1") = "5"
    & skf21("6","4","4","1","5","4","3","1") = "5"
    & skf21("6","4","4","1","5","4","4","1") = "5"
    & skf21("6","4","4","1","5","4","5","1") = "5"
    & skf21("6","4","4","1","5","4","6","1") = "5"
    & skf21("6","4","4","1","5","4","7","1") = "6"
    & skf21("6","4","4","1","5","5","1","1") = "5"
    & skf21("6","4","4","1","5","5","2","1") = "5"
    & skf21("6","4","4","1","5","5","3","1") = "5"
    & skf21("6","4","4","1","5","5","4","1") = "5"
    & skf21("6","4","4","1","5","5","5","1") = "5"
    & skf21("6","4","4","1","5","5","6","1") = "5"
    & skf21("6","4","4","1","5","5","7","1") = "6"
    & skf21("6","4","4","1","5","6","1","1") = "5"
    & skf21("6","4","4","1","5","6","2","1") = "5"
    & skf21("6","4","4","1","5","6","3","1") = "5"
    & skf21("6","4","4","1","5","6","4","1") = "5"
    & skf21("6","4","4","1","5","6","5","1") = "5"
    & skf21("6","4","4","1","5","6","6","1") = "5"
    & skf21("6","4","4","1","5","6","7","1") = "6"
    & skf21("6","4","4","1","5","7","1","1") = "6"
    & skf21("6","4","4","1","5","7","2","1") = "6"
    & skf21("6","4","4","1","5","7","3","1") = "6"
    & skf21("6","4","4","1","5","7","4","1") = "6"
    & skf21("6","4","4","1","5","7","5","1") = "6"
    & skf21("6","4","4","1","5","7","6","1") = "6"
    & skf21("6","4","4","1","5","7","7","1") = "6"
    & skf21("6","4","4","1","6","1","1","1") = "5"
    & skf21("6","4","4","1","6","1","2","1") = "5"
    & skf21("6","4","4","1","6","1","3","1") = "5"
    & skf21("6","4","4","1","6","1","4","1") = "5"
    & skf21("6","4","4","1","6","1","5","1") = "5"
    & skf21("6","4","4","1","6","1","6","1") = "5"
    & skf21("6","4","4","1","6","1","7","1") = "6"
    & skf21("6","4","4","1","6","2","1","1") = "5"
    & skf21("6","4","4","1","6","2","2","1") = "5"
    & skf21("6","4","4","1","6","2","3","1") = "5"
    & skf21("6","4","4","1","6","2","4","1") = "5"
    & skf21("6","4","4","1","6","2","5","1") = "5"
    & skf21("6","4","4","1","6","2","6","1") = "5"
    & skf21("6","4","4","1","6","2","7","1") = "6"
    & skf21("6","4","4","1","6","3","1","1") = "5"
    & skf21("6","4","4","1","6","3","2","1") = "5"
    & skf21("6","4","4","1","6","3","3","1") = "5"
    & skf21("6","4","4","1","6","3","4","1") = "5"
    & skf21("6","4","4","1","6","3","5","1") = "5"
    & skf21("6","4","4","1","6","3","6","1") = "5"
    & skf21("6","4","4","1","6","3","7","1") = "6"
    & skf21("6","4","4","1","6","4","1","1") = "5"
    & skf21("6","4","4","1","6","4","2","1") = "5"
    & skf21("6","4","4","1","6","4","3","1") = "5"
    & skf21("6","4","4","1","6","4","4","1") = "5"
    & skf21("6","4","4","1","6","4","5","1") = "5"
    & skf21("6","4","4","1","6","4","6","1") = "5"
    & skf21("6","4","4","1","6","4","7","1") = "6"
    & skf21("6","4","4","1","6","5","1","1") = "5"
    & skf21("6","4","4","1","6","5","2","1") = "5"
    & skf21("6","4","4","1","6","5","3","1") = "5"
    & skf21("6","4","4","1","6","5","4","1") = "5"
    & skf21("6","4","4","1","6","5","5","1") = "5"
    & skf21("6","4","4","1","6","5","6","1") = "5"
    & skf21("6","4","4","1","6","5","7","1") = "6"
    & skf21("6","4","4","1","6","6","1","1") = "5"
    & skf21("6","4","4","1","6","6","2","1") = "5"
    & skf21("6","4","4","1","6","6","3","1") = "5"
    & skf21("6","4","4","1","6","6","4","1") = "5"
    & skf21("6","4","4","1","6","6","5","1") = "5"
    & skf21("6","4","4","1","6","6","6","1") = "5"
    & skf21("6","4","4","1","6","6","7","1") = "6"
    & skf21("6","4","4","1","6","7","1","1") = "6"
    & skf21("6","4","4","1","6","7","2","1") = "6"
    & skf21("6","4","4","1","6","7","3","1") = "6"
    & skf21("6","4","4","1","6","7","4","1") = "6"
    & skf21("6","4","4","1","6","7","5","1") = "6"
    & skf21("6","4","4","1","6","7","6","1") = "6"
    & skf21("6","4","4","1","6","7","7","1") = "6"
    & skf21("6","4","4","1","7","1","1","1") = "6"
    & skf21("6","4","4","1","7","1","2","1") = "6"
    & skf21("6","4","4","1","7","1","3","1") = "6"
    & skf21("6","4","4","1","7","1","4","1") = "6"
    & skf21("6","4","4","1","7","1","5","1") = "6"
    & skf21("6","4","4","1","7","1","6","1") = "6"
    & skf21("6","4","4","1","7","1","7","1") = "6"
    & skf21("6","4","4","1","7","2","1","1") = "6"
    & skf21("6","4","4","1","7","2","2","1") = "6"
    & skf21("6","4","4","1","7","2","3","1") = "6"
    & skf21("6","4","4","1","7","2","4","1") = "6"
    & skf21("6","4","4","1","7","2","5","1") = "6"
    & skf21("6","4","4","1","7","2","6","1") = "6"
    & skf21("6","4","4","1","7","2","7","1") = "6"
    & skf21("6","4","4","1","7","3","1","1") = "6"
    & skf21("6","4","4","1","7","3","2","1") = "6"
    & skf21("6","4","4","1","7","3","3","1") = "6"
    & skf21("6","4","4","1","7","3","4","1") = "6"
    & skf21("6","4","4","1","7","3","5","1") = "6"
    & skf21("6","4","4","1","7","3","6","1") = "6"
    & skf21("6","4","4","1","7","3","7","1") = "6"
    & skf21("6","4","4","1","7","4","1","1") = "6"
    & skf21("6","4","4","1","7","4","2","1") = "6"
    & skf21("6","4","4","1","7","4","3","1") = "6"
    & skf21("6","4","4","1","7","4","4","1") = "6"
    & skf21("6","4","4","1","7","4","5","1") = "6"
    & skf21("6","4","4","1","7","4","6","1") = "6"
    & skf21("6","4","4","1","7","4","7","1") = "6"
    & skf21("6","4","4","1","7","5","1","1") = "6"
    & skf21("6","4","4","1","7","5","2","1") = "6"
    & skf21("6","4","4","1","7","5","3","1") = "6"
    & skf21("6","4","4","1","7","5","4","1") = "6"
    & skf21("6","4","4","1","7","5","5","1") = "6"
    & skf21("6","4","4","1","7","5","6","1") = "6"
    & skf21("6","4","4","1","7","5","7","1") = "6"
    & skf21("6","4","4","1","7","6","1","1") = "6"
    & skf21("6","4","4","1","7","6","2","1") = "6"
    & skf21("6","4","4","1","7","6","3","1") = "6"
    & skf21("6","4","4","1","7","6","4","1") = "6"
    & skf21("6","4","4","1","7","6","5","1") = "6"
    & skf21("6","4","4","1","7","6","6","1") = "6"
    & skf21("6","4","4","1","7","6","7","1") = "6"
    & skf21("6","4","4","1","7","7","1","1") = "6"
    & skf21("6","4","4","1","7","7","2","1") = "6"
    & skf21("6","4","4","1","7","7","3","1") = "6"
    & skf21("6","4","4","1","7","7","4","1") = "6"
    & skf21("6","4","4","1","7","7","5","1") = "6"
    & skf21("6","4","4","1","7","7","6","1") = "6"
    & skf21("6","4","4","1","7","7","7","1") = "6"
    & skf21("6","4","4","2","1","1","1","1") = "5"
    & skf21("6","4","4","2","1","1","2","1") = "5"
    & skf21("6","4","4","2","1","1","3","1") = "5"
    & skf21("6","4","4","2","1","1","4","1") = "5"
    & skf21("6","4","4","2","1","1","5","1") = "5"
    & skf21("6","4","4","2","1","1","6","1") = "5"
    & skf21("6","4","4","2","1","1","7","1") = "6"
    & skf21("6","4","4","2","1","2","1","1") = "5"
    & skf21("6","4","4","2","1","2","2","1") = "5"
    & skf21("6","4","4","2","1","2","3","1") = "5"
    & skf21("6","4","4","2","1","2","4","1") = "5"
    & skf21("6","4","4","2","1","2","5","1") = "5"
    & skf21("6","4","4","2","1","2","6","1") = "5"
    & skf21("6","4","4","2","1","2","7","1") = "6"
    & skf21("6","4","4","2","1","3","1","1") = "5"
    & skf21("6","4","4","2","1","3","2","1") = "5"
    & skf21("6","4","4","2","1","3","3","1") = "5"
    & skf21("6","4","4","2","1","3","4","1") = "5"
    & skf21("6","4","4","2","1","3","5","1") = "5"
    & skf21("6","4","4","2","1","3","6","1") = "5"
    & skf21("6","4","4","2","1","3","7","1") = "6"
    & skf21("6","4","4","2","1","4","1","1") = "5"
    & skf21("6","4","4","2","1","4","2","1") = "5"
    & skf21("6","4","4","2","1","4","3","1") = "5"
    & skf21("6","4","4","2","1","4","4","1") = "5"
    & skf21("6","4","4","2","1","4","5","1") = "5"
    & skf21("6","4","4","2","1","4","6","1") = "5"
    & skf21("6","4","4","2","1","4","7","1") = "6"
    & skf21("6","4","4","2","1","5","1","1") = "5"
    & skf21("6","4","4","2","1","5","2","1") = "5"
    & skf21("6","4","4","2","1","5","3","1") = "5"
    & skf21("6","4","4","2","1","5","4","1") = "5"
    & skf21("6","4","4","2","1","5","5","1") = "5"
    & skf21("6","4","4","2","1","5","6","1") = "5"
    & skf21("6","4","4","2","1","5","7","1") = "6"
    & skf21("6","4","4","2","1","6","1","1") = "5"
    & skf21("6","4","4","2","1","6","2","1") = "5"
    & skf21("6","4","4","2","1","6","3","1") = "5"
    & skf21("6","4","4","2","1","6","4","1") = "5"
    & skf21("6","4","4","2","1","6","5","1") = "5"
    & skf21("6","4","4","2","1","6","6","1") = "5"
    & skf21("6","4","4","2","1","6","7","1") = "6"
    & skf21("6","4","4","2","1","7","1","1") = "6"
    & skf21("6","4","4","2","1","7","2","1") = "6"
    & skf21("6","4","4","2","1","7","3","1") = "6"
    & skf21("6","4","4","2","1","7","4","1") = "6"
    & skf21("6","4","4","2","1","7","5","1") = "6"
    & skf21("6","4","4","2","1","7","6","1") = "6"
    & skf21("6","4","4","2","1","7","7","1") = "6"
    & skf21("6","4","4","2","2","1","1","1") = "5"
    & skf21("6","4","4","2","2","1","2","1") = "5"
    & skf21("6","4","4","2","2","1","3","1") = "5"
    & skf21("6","4","4","2","2","1","4","1") = "5"
    & skf21("6","4","4","2","2","1","5","1") = "5"
    & skf21("6","4","4","2","2","1","6","1") = "5"
    & skf21("6","4","4","2","2","1","7","1") = "6"
    & skf21("6","4","4","2","2","2","1","1") = "5"
    & skf21("6","4","4","2","2","2","2","1") = "5"
    & skf21("6","4","4","2","2","2","3","1") = "5"
    & skf21("6","4","4","2","2","2","4","1") = "5"
    & skf21("6","4","4","2","2","2","5","1") = "5"
    & skf21("6","4","4","2","2","2","6","1") = "5"
    & skf21("6","4","4","2","2","2","7","1") = "6"
    & skf21("6","4","4","2","2","3","1","1") = "5"
    & skf21("6","4","4","2","2","3","2","1") = "5"
    & skf21("6","4","4","2","2","3","3","1") = "5"
    & skf21("6","4","4","2","2","3","4","1") = "5"
    & skf21("6","4","4","2","2","3","5","1") = "5"
    & skf21("6","4","4","2","2","3","6","1") = "5"
    & skf21("6","4","4","2","2","3","7","1") = "6"
    & skf21("6","4","4","2","2","4","1","1") = "5"
    & skf21("6","4","4","2","2","4","2","1") = "5"
    & skf21("6","4","4","2","2","4","3","1") = "5"
    & skf21("6","4","4","2","2","4","4","1") = "5"
    & skf21("6","4","4","2","2","4","5","1") = "5"
    & skf21("6","4","4","2","2","4","6","1") = "5"
    & skf21("6","4","4","2","2","4","7","1") = "6"
    & skf21("6","4","4","2","2","5","1","1") = "5"
    & skf21("6","4","4","2","2","5","2","1") = "5"
    & skf21("6","4","4","2","2","5","3","1") = "5"
    & skf21("6","4","4","2","2","5","4","1") = "5"
    & skf21("6","4","4","2","2","5","5","1") = "5"
    & skf21("6","4","4","2","2","5","6","1") = "5"
    & skf21("6","4","4","2","2","5","7","1") = "6"
    & skf21("6","4","4","2","2","6","1","1") = "5"
    & skf21("6","4","4","2","2","6","2","1") = "5"
    & skf21("6","4","4","2","2","6","3","1") = "5"
    & skf21("6","4","4","2","2","6","4","1") = "5"
    & skf21("6","4","4","2","2","6","5","1") = "5"
    & skf21("6","4","4","2","2","6","6","1") = "5"
    & skf21("6","4","4","2","2","6","7","1") = "6"
    & skf21("6","4","4","2","2","7","1","1") = "6"
    & skf21("6","4","4","2","2","7","2","1") = "6"
    & skf21("6","4","4","2","2","7","3","1") = "6"
    & skf21("6","4","4","2","2","7","4","1") = "6"
    & skf21("6","4","4","2","2","7","5","1") = "6"
    & skf21("6","4","4","2","2","7","6","1") = "6"
    & skf21("6","4","4","2","2","7","7","1") = "6"
    & skf21("6","4","4","2","3","1","1","1") = "5"
    & skf21("6","4","4","2","3","1","2","1") = "5"
    & skf21("6","4","4","2","3","1","3","1") = "5"
    & skf21("6","4","4","2","3","1","4","1") = "5"
    & skf21("6","4","4","2","3","1","5","1") = "5"
    & skf21("6","4","4","2","3","1","6","1") = "5"
    & skf21("6","4","4","2","3","1","7","1") = "6"
    & skf21("6","4","4","2","3","2","1","1") = "5"
    & skf21("6","4","4","2","3","2","2","1") = "5"
    & skf21("6","4","4","2","3","2","3","1") = "5"
    & skf21("6","4","4","2","3","2","4","1") = "5"
    & skf21("6","4","4","2","3","2","5","1") = "5"
    & skf21("6","4","4","2","3","2","6","1") = "5"
    & skf21("6","4","4","2","3","2","7","1") = "6"
    & skf21("6","4","4","2","3","3","1","1") = "5"
    & skf21("6","4","4","2","3","3","2","1") = "5"
    & skf21("6","4","4","2","3","3","3","1") = "5"
    & skf21("6","4","4","2","3","3","4","1") = "5"
    & skf21("6","4","4","2","3","3","5","1") = "5"
    & skf21("6","4","4","2","3","3","6","1") = "5"
    & skf21("6","4","4","2","3","3","7","1") = "6"
    & skf21("6","4","4","2","3","4","1","1") = "5"
    & skf21("6","4","4","2","3","4","2","1") = "5"
    & skf21("6","4","4","2","3","4","3","1") = "5"
    & skf21("6","4","4","2","3","4","4","1") = "5"
    & skf21("6","4","4","2","3","4","5","1") = "5"
    & skf21("6","4","4","2","3","4","6","1") = "5"
    & skf21("6","4","4","2","3","4","7","1") = "6"
    & skf21("6","4","4","2","3","5","1","1") = "5"
    & skf21("6","4","4","2","3","5","2","1") = "5"
    & skf21("6","4","4","2","3","5","3","1") = "5"
    & skf21("6","4","4","2","3","5","4","1") = "5"
    & skf21("6","4","4","2","3","5","5","1") = "5"
    & skf21("6","4","4","2","3","5","6","1") = "5"
    & skf21("6","4","4","2","3","5","7","1") = "6"
    & skf21("6","4","4","2","3","6","1","1") = "5"
    & skf21("6","4","4","2","3","6","2","1") = "5"
    & skf21("6","4","4","2","3","6","3","1") = "5"
    & skf21("6","4","4","2","3","6","4","1") = "5"
    & skf21("6","4","4","2","3","6","5","1") = "5"
    & skf21("6","4","4","2","3","6","6","1") = "5"
    & skf21("6","4","4","2","3","6","7","1") = "6"
    & skf21("6","4","4","2","3","7","1","1") = "6"
    & skf21("6","4","4","2","3","7","2","1") = "6"
    & skf21("6","4","4","2","3","7","3","1") = "6"
    & skf21("6","4","4","2","3","7","4","1") = "6"
    & skf21("6","4","4","2","3","7","5","1") = "6"
    & skf21("6","4","4","2","3","7","6","1") = "6"
    & skf21("6","4","4","2","3","7","7","1") = "6"
    & skf21("6","4","4","2","4","1","1","1") = "5"
    & skf21("6","4","4","2","4","1","2","1") = "5"
    & skf21("6","4","4","2","4","1","3","1") = "5"
    & skf21("6","4","4","2","4","1","4","1") = "5"
    & skf21("6","4","4","2","4","1","5","1") = "5"
    & skf21("6","4","4","2","4","1","6","1") = "5"
    & skf21("6","4","4","2","4","1","7","1") = "6"
    & skf21("6","4","4","2","4","2","1","1") = "5"
    & skf21("6","4","4","2","4","2","2","1") = "5"
    & skf21("6","4","4","2","4","2","3","1") = "5"
    & skf21("6","4","4","2","4","2","4","1") = "5"
    & skf21("6","4","4","2","4","2","5","1") = "5"
    & skf21("6","4","4","2","4","2","6","1") = "5"
    & skf21("6","4","4","2","4","2","7","1") = "6"
    & skf21("6","4","4","2","4","3","1","1") = "5"
    & skf21("6","4","4","2","4","3","2","1") = "5"
    & skf21("6","4","4","2","4","3","3","1") = "5"
    & skf21("6","4","4","2","4","3","4","1") = "5"
    & skf21("6","4","4","2","4","3","5","1") = "5"
    & skf21("6","4","4","2","4","3","6","1") = "5"
    & skf21("6","4","4","2","4","3","7","1") = "6"
    & skf21("6","4","4","2","4","4","1","1") = "5"
    & skf21("6","4","4","2","4","4","2","1") = "5"
    & skf21("6","4","4","2","4","4","3","1") = "5"
    & skf21("6","4","4","2","4","4","4","1") = "5"
    & skf21("6","4","4","2","4","4","5","1") = "5"
    & skf21("6","4","4","2","4","4","6","1") = "5"
    & skf21("6","4","4","2","4","4","7","1") = "6"
    & skf21("6","4","4","2","4","5","1","1") = "5"
    & skf21("6","4","4","2","4","5","2","1") = "5"
    & skf21("6","4","4","2","4","5","3","1") = "5"
    & skf21("6","4","4","2","4","5","4","1") = "5"
    & skf21("6","4","4","2","4","5","5","1") = "5"
    & skf21("6","4","4","2","4","5","6","1") = "5"
    & skf21("6","4","4","2","4","5","7","1") = "6"
    & skf21("6","4","4","2","4","6","1","1") = "5"
    & skf21("6","4","4","2","4","6","2","1") = "5"
    & skf21("6","4","4","2","4","6","3","1") = "5"
    & skf21("6","4","4","2","4","6","4","1") = "5"
    & skf21("6","4","4","2","4","6","5","1") = "5"
    & skf21("6","4","4","2","4","6","6","1") = "5"
    & skf21("6","4","4","2","4","6","7","1") = "6"
    & skf21("6","4","4","2","4","7","1","1") = "6"
    & skf21("6","4","4","2","4","7","2","1") = "6"
    & skf21("6","4","4","2","4","7","3","1") = "6"
    & skf21("6","4","4","2","4","7","4","1") = "6"
    & skf21("6","4","4","2","4","7","5","1") = "6"
    & skf21("6","4","4","2","4","7","6","1") = "6"
    & skf21("6","4","4","2","4","7","7","1") = "6"
    & skf21("6","4","4","2","5","1","1","1") = "5"
    & skf21("6","4","4","2","5","1","2","1") = "5"
    & skf21("6","4","4","2","5","1","3","1") = "5"
    & skf21("6","4","4","2","5","1","4","1") = "5"
    & skf21("6","4","4","2","5","1","5","1") = "5"
    & skf21("6","4","4","2","5","1","6","1") = "5"
    & skf21("6","4","4","2","5","1","7","1") = "6"
    & skf21("6","4","4","2","5","2","1","1") = "5"
    & skf21("6","4","4","2","5","2","2","1") = "5"
    & skf21("6","4","4","2","5","2","3","1") = "5"
    & skf21("6","4","4","2","5","2","4","1") = "5"
    & skf21("6","4","4","2","5","2","5","1") = "5"
    & skf21("6","4","4","2","5","2","6","1") = "5"
    & skf21("6","4","4","2","5","2","7","1") = "6"
    & skf21("6","4","4","2","5","3","1","1") = "5"
    & skf21("6","4","4","2","5","3","2","1") = "5"
    & skf21("6","4","4","2","5","3","3","1") = "5"
    & skf21("6","4","4","2","5","3","4","1") = "5"
    & skf21("6","4","4","2","5","3","5","1") = "5"
    & skf21("6","4","4","2","5","3","6","1") = "5"
    & skf21("6","4","4","2","5","3","7","1") = "6"
    & skf21("6","4","4","2","5","4","1","1") = "5"
    & skf21("6","4","4","2","5","4","2","1") = "5"
    & skf21("6","4","4","2","5","4","3","1") = "5"
    & skf21("6","4","4","2","5","4","4","1") = "5"
    & skf21("6","4","4","2","5","4","5","1") = "5"
    & skf21("6","4","4","2","5","4","6","1") = "5"
    & skf21("6","4","4","2","5","4","7","1") = "6"
    & skf21("6","4","4","2","5","5","1","1") = "5"
    & skf21("6","4","4","2","5","5","2","1") = "5"
    & skf21("6","4","4","2","5","5","3","1") = "5"
    & skf21("6","4","4","2","5","5","4","1") = "5"
    & skf21("6","4","4","2","5","5","5","1") = "5"
    & skf21("6","4","4","2","5","5","6","1") = "5"
    & skf21("6","4","4","2","5","5","7","1") = "6"
    & skf21("6","4","4","2","5","6","1","1") = "5"
    & skf21("6","4","4","2","5","6","2","1") = "5"
    & skf21("6","4","4","2","5","6","3","1") = "5"
    & skf21("6","4","4","2","5","6","4","1") = "5"
    & skf21("6","4","4","2","5","6","5","1") = "5"
    & skf21("6","4","4","2","5","6","6","1") = "5"
    & skf21("6","4","4","2","5","6","7","1") = "6"
    & skf21("6","4","4","2","5","7","1","1") = "6"
    & skf21("6","4","4","2","5","7","2","1") = "6"
    & skf21("6","4","4","2","5","7","3","1") = "6"
    & skf21("6","4","4","2","5","7","4","1") = "6"
    & skf21("6","4","4","2","5","7","5","1") = "6"
    & skf21("6","4","4","2","5","7","6","1") = "6"
    & skf21("6","4","4","2","5","7","7","1") = "6"
    & skf21("6","4","4","2","6","1","1","1") = "5"
    & skf21("6","4","4","2","6","1","2","1") = "5"
    & skf21("6","4","4","2","6","1","3","1") = "5"
    & skf21("6","4","4","2","6","1","4","1") = "5"
    & skf21("6","4","4","2","6","1","5","1") = "5"
    & skf21("6","4","4","2","6","1","6","1") = "5"
    & skf21("6","4","4","2","6","1","7","1") = "6"
    & skf21("6","4","4","2","6","2","1","1") = "5"
    & skf21("6","4","4","2","6","2","2","1") = "5"
    & skf21("6","4","4","2","6","2","3","1") = "5"
    & skf21("6","4","4","2","6","2","4","1") = "5"
    & skf21("6","4","4","2","6","2","5","1") = "5"
    & skf21("6","4","4","2","6","2","6","1") = "5"
    & skf21("6","4","4","2","6","2","7","1") = "6"
    & skf21("6","4","4","2","6","3","1","1") = "5"
    & skf21("6","4","4","2","6","3","2","1") = "5"
    & skf21("6","4","4","2","6","3","3","1") = "5"
    & skf21("6","4","4","2","6","3","4","1") = "5"
    & skf21("6","4","4","2","6","3","5","1") = "5"
    & skf21("6","4","4","2","6","3","6","1") = "5"
    & skf21("6","4","4","2","6","3","7","1") = "6"
    & skf21("6","4","4","2","6","4","1","1") = "5"
    & skf21("6","4","4","2","6","4","2","1") = "5"
    & skf21("6","4","4","2","6","4","3","1") = "5"
    & skf21("6","4","4","2","6","4","4","1") = "5"
    & skf21("6","4","4","2","6","4","5","1") = "5"
    & skf21("6","4","4","2","6","4","6","1") = "5"
    & skf21("6","4","4","2","6","4","7","1") = "6"
    & skf21("6","4","4","2","6","5","1","1") = "5"
    & skf21("6","4","4","2","6","5","2","1") = "5"
    & skf21("6","4","4","2","6","5","3","1") = "5"
    & skf21("6","4","4","2","6","5","4","1") = "5"
    & skf21("6","4","4","2","6","5","5","1") = "5"
    & skf21("6","4","4","2","6","5","6","1") = "5"
    & skf21("6","4","4","2","6","5","7","1") = "6"
    & skf21("6","4","4","2","6","6","1","1") = "5"
    & skf21("6","4","4","2","6","6","2","1") = "5"
    & skf21("6","4","4","2","6","6","3","1") = "5"
    & skf21("6","4","4","2","6","6","4","1") = "5"
    & skf21("6","4","4","2","6","6","5","1") = "5"
    & skf21("6","4","4","2","6","6","6","1") = "5"
    & skf21("6","4","4","2","6","6","7","1") = "6"
    & skf21("6","4","4","2","6","7","1","1") = "6"
    & skf21("6","4","4","2","6","7","2","1") = "6"
    & skf21("6","4","4","2","6","7","3","1") = "6"
    & skf21("6","4","4","2","6","7","4","1") = "6"
    & skf21("6","4","4","2","6","7","5","1") = "6"
    & skf21("6","4","4","2","6","7","6","1") = "6"
    & skf21("6","4","4","2","6","7","7","1") = "6"
    & skf21("6","4","4","2","7","1","1","1") = "6"
    & skf21("6","4","4","2","7","1","2","1") = "6"
    & skf21("6","4","4","2","7","1","3","1") = "6"
    & skf21("6","4","4","2","7","1","4","1") = "6"
    & skf21("6","4","4","2","7","1","5","1") = "6"
    & skf21("6","4","4","2","7","1","6","1") = "6"
    & skf21("6","4","4","2","7","1","7","1") = "6"
    & skf21("6","4","4","2","7","2","1","1") = "6"
    & skf21("6","4","4","2","7","2","2","1") = "6"
    & skf21("6","4","4","2","7","2","3","1") = "6"
    & skf21("6","4","4","2","7","2","4","1") = "6"
    & skf21("6","4","4","2","7","2","5","1") = "6"
    & skf21("6","4","4","2","7","2","6","1") = "6"
    & skf21("6","4","4","2","7","2","7","1") = "6"
    & skf21("6","4","4","2","7","3","1","1") = "6"
    & skf21("6","4","4","2","7","3","2","1") = "6"
    & skf21("6","4","4","2","7","3","3","1") = "6"
    & skf21("6","4","4","2","7","3","4","1") = "6"
    & skf21("6","4","4","2","7","3","5","1") = "6"
    & skf21("6","4","4","2","7","3","6","1") = "6"
    & skf21("6","4","4","2","7","3","7","1") = "6"
    & skf21("6","4","4","2","7","4","1","1") = "6"
    & skf21("6","4","4","2","7","4","2","1") = "6"
    & skf21("6","4","4","2","7","4","3","1") = "6"
    & skf21("6","4","4","2","7","4","4","1") = "6"
    & skf21("6","4","4","2","7","4","5","1") = "6"
    & skf21("6","4","4","2","7","4","6","1") = "6"
    & skf21("6","4","4","2","7","4","7","1") = "6"
    & skf21("6","4","4","2","7","5","1","1") = "6"
    & skf21("6","4","4","2","7","5","2","1") = "6"
    & skf21("6","4","4","2","7","5","3","1") = "6"
    & skf21("6","4","4","2","7","5","4","1") = "6"
    & skf21("6","4","4","2","7","5","5","1") = "6"
    & skf21("6","4","4","2","7","5","6","1") = "6"
    & skf21("6","4","4","2","7","5","7","1") = "6"
    & skf21("6","4","4","2","7","6","1","1") = "6"
    & skf21("6","4","4","2","7","6","2","1") = "6"
    & skf21("6","4","4","2","7","6","3","1") = "6"
    & skf21("6","4","4","2","7","6","4","1") = "6"
    & skf21("6","4","4","2","7","6","5","1") = "6"
    & skf21("6","4","4","2","7","6","6","1") = "6"
    & skf21("6","4","4","2","7","6","7","1") = "6"
    & skf21("6","4","4","2","7","7","1","1") = "6"
    & skf21("6","4","4","2","7","7","2","1") = "6"
    & skf21("6","4","4","2","7","7","3","1") = "6"
    & skf21("6","4","4","2","7","7","4","1") = "6"
    & skf21("6","4","4","2","7","7","5","1") = "6"
    & skf21("6","4","4","2","7","7","6","1") = "6"
    & skf21("6","4","4","2","7","7","7","1") = "6"
    & skf21("6","4","4","3","1","1","1","1") = "5"
    & skf21("6","4","4","3","1","1","2","1") = "5"
    & skf21("6","4","4","3","1","1","3","1") = "5"
    & skf21("6","4","4","3","1","1","4","1") = "5"
    & skf21("6","4","4","3","1","1","5","1") = "5"
    & skf21("6","4","4","3","1","1","6","1") = "5"
    & skf21("6","4","4","3","1","1","7","1") = "6"
    & skf21("6","4","4","3","1","2","1","1") = "5"
    & skf21("6","4","4","3","1","2","2","1") = "5"
    & skf21("6","4","4","3","1","2","3","1") = "5"
    & skf21("6","4","4","3","1","2","4","1") = "5"
    & skf21("6","4","4","3","1","2","5","1") = "5"
    & skf21("6","4","4","3","1","2","6","1") = "5"
    & skf21("6","4","4","3","1","2","7","1") = "6"
    & skf21("6","4","4","3","1","3","1","1") = "5"
    & skf21("6","4","4","3","1","3","2","1") = "5"
    & skf21("6","4","4","3","1","3","3","1") = "5"
    & skf21("6","4","4","3","1","3","4","1") = "5"
    & skf21("6","4","4","3","1","3","5","1") = "5"
    & skf21("6","4","4","3","1","3","6","1") = "5"
    & skf21("6","4","4","3","1","3","7","1") = "6"
    & skf21("6","4","4","3","1","4","1","1") = "5"
    & skf21("6","4","4","3","1","4","2","1") = "5"
    & skf21("6","4","4","3","1","4","3","1") = "5"
    & skf21("6","4","4","3","1","4","4","1") = "5"
    & skf21("6","4","4","3","1","4","5","1") = "5"
    & skf21("6","4","4","3","1","4","6","1") = "5"
    & skf21("6","4","4","3","1","4","7","1") = "6"
    & skf21("6","4","4","3","1","5","1","1") = "5"
    & skf21("6","4","4","3","1","5","2","1") = "5"
    & skf21("6","4","4","3","1","5","3","1") = "5"
    & skf21("6","4","4","3","1","5","4","1") = "5"
    & skf21("6","4","4","3","1","5","5","1") = "5"
    & skf21("6","4","4","3","1","5","6","1") = "5"
    & skf21("6","4","4","3","1","5","7","1") = "6"
    & skf21("6","4","4","3","1","6","1","1") = "5"
    & skf21("6","4","4","3","1","6","2","1") = "5"
    & skf21("6","4","4","3","1","6","3","1") = "5"
    & skf21("6","4","4","3","1","6","4","1") = "5"
    & skf21("6","4","4","3","1","6","5","1") = "5"
    & skf21("6","4","4","3","1","6","6","1") = "5"
    & skf21("6","4","4","3","1","6","7","1") = "6"
    & skf21("6","4","4","3","1","7","1","1") = "6"
    & skf21("6","4","4","3","1","7","2","1") = "6"
    & skf21("6","4","4","3","1","7","3","1") = "6"
    & skf21("6","4","4","3","1","7","4","1") = "6"
    & skf21("6","4","4","3","1","7","5","1") = "6"
    & skf21("6","4","4","3","1","7","6","1") = "6"
    & skf21("6","4","4","3","1","7","7","1") = "6"
    & skf21("6","4","4","3","2","1","1","1") = "5"
    & skf21("6","4","4","3","2","1","2","1") = "5"
    & skf21("6","4","4","3","2","1","3","1") = "5"
    & skf21("6","4","4","3","2","1","4","1") = "5"
    & skf21("6","4","4","3","2","1","5","1") = "5"
    & skf21("6","4","4","3","2","1","6","1") = "5"
    & skf21("6","4","4","3","2","1","7","1") = "6"
    & skf21("6","4","4","3","2","2","1","1") = "5"
    & skf21("6","4","4","3","2","2","2","1") = "5"
    & skf21("6","4","4","3","2","2","3","1") = "5"
    & skf21("6","4","4","3","2","2","4","1") = "5"
    & skf21("6","4","4","3","2","2","5","1") = "5"
    & skf21("6","4","4","3","2","2","6","1") = "5"
    & skf21("6","4","4","3","2","2","7","1") = "6"
    & skf21("6","4","4","3","2","3","1","1") = "5"
    & skf21("6","4","4","3","2","3","2","1") = "5"
    & skf21("6","4","4","3","2","3","3","1") = "5"
    & skf21("6","4","4","3","2","3","4","1") = "5"
    & skf21("6","4","4","3","2","3","5","1") = "5"
    & skf21("6","4","4","3","2","3","6","1") = "5"
    & skf21("6","4","4","3","2","3","7","1") = "6"
    & skf21("6","4","4","3","2","4","1","1") = "5"
    & skf21("6","4","4","3","2","4","2","1") = "5"
    & skf21("6","4","4","3","2","4","3","1") = "5"
    & skf21("6","4","4","3","2","4","4","1") = "5"
    & skf21("6","4","4","3","2","4","5","1") = "5"
    & skf21("6","4","4","3","2","4","6","1") = "5"
    & skf21("6","4","4","3","2","4","7","1") = "6"
    & skf21("6","4","4","3","2","5","1","1") = "5"
    & skf21("6","4","4","3","2","5","2","1") = "5"
    & skf21("6","4","4","3","2","5","3","1") = "5"
    & skf21("6","4","4","3","2","5","4","1") = "5"
    & skf21("6","4","4","3","2","5","5","1") = "5"
    & skf21("6","4","4","3","2","5","6","1") = "5"
    & skf21("6","4","4","3","2","5","7","1") = "6"
    & skf21("6","4","4","3","2","6","1","1") = "5"
    & skf21("6","4","4","3","2","6","2","1") = "5"
    & skf21("6","4","4","3","2","6","3","1") = "5"
    & skf21("6","4","4","3","2","6","4","1") = "5"
    & skf21("6","4","4","3","2","6","5","1") = "5"
    & skf21("6","4","4","3","2","6","6","1") = "5"
    & skf21("6","4","4","3","2","6","7","1") = "6"
    & skf21("6","4","4","3","2","7","1","1") = "6"
    & skf21("6","4","4","3","2","7","2","1") = "6"
    & skf21("6","4","4","3","2","7","3","1") = "6"
    & skf21("6","4","4","3","2","7","4","1") = "6"
    & skf21("6","4","4","3","2","7","5","1") = "6"
    & skf21("6","4","4","3","2","7","6","1") = "6"
    & skf21("6","4","4","3","2","7","7","1") = "6"
    & skf21("6","4","4","3","3","1","1","1") = "5"
    & skf21("6","4","4","3","3","1","2","1") = "5"
    & skf21("6","4","4","3","3","1","3","1") = "5"
    & skf21("6","4","4","3","3","1","4","1") = "5"
    & skf21("6","4","4","3","3","1","5","1") = "5"
    & skf21("6","4","4","3","3","1","6","1") = "5"
    & skf21("6","4","4","3","3","1","7","1") = "6"
    & skf21("6","4","4","3","3","2","1","1") = "5"
    & skf21("6","4","4","3","3","2","2","1") = "5"
    & skf21("6","4","4","3","3","2","3","1") = "5"
    & skf21("6","4","4","3","3","2","4","1") = "5"
    & skf21("6","4","4","3","3","2","5","1") = "5"
    & skf21("6","4","4","3","3","2","6","1") = "5"
    & skf21("6","4","4","3","3","2","7","1") = "6"
    & skf21("6","4","4","3","3","3","1","1") = "5"
    & skf21("6","4","4","3","3","3","2","1") = "5"
    & skf21("6","4","4","3","3","3","3","1") = "5"
    & skf21("6","4","4","3","3","3","4","1") = "5"
    & skf21("6","4","4","3","3","3","5","1") = "5"
    & skf21("6","4","4","3","3","3","6","1") = "5"
    & skf21("6","4","4","3","3","3","7","1") = "6"
    & skf21("6","4","4","3","3","4","1","1") = "5"
    & skf21("6","4","4","3","3","4","2","1") = "5"
    & skf21("6","4","4","3","3","4","3","1") = "5"
    & skf21("6","4","4","3","3","4","4","1") = "5"
    & skf21("6","4","4","3","3","4","5","1") = "5"
    & skf21("6","4","4","3","3","4","6","1") = "5"
    & skf21("6","4","4","3","3","4","7","1") = "6"
    & skf21("6","4","4","3","3","5","1","1") = "5"
    & skf21("6","4","4","3","3","5","2","1") = "5"
    & skf21("6","4","4","3","3","5","3","1") = "5"
    & skf21("6","4","4","3","3","5","4","1") = "5"
    & skf21("6","4","4","3","3","5","5","1") = "5"
    & skf21("6","4","4","3","3","5","6","1") = "5"
    & skf21("6","4","4","3","3","5","7","1") = "6"
    & skf21("6","4","4","3","3","6","1","1") = "5"
    & skf21("6","4","4","3","3","6","2","1") = "5"
    & skf21("6","4","4","3","3","6","3","1") = "5"
    & skf21("6","4","4","3","3","6","4","1") = "5"
    & skf21("6","4","4","3","3","6","5","1") = "5"
    & skf21("6","4","4","3","3","6","6","1") = "5"
    & skf21("6","4","4","3","3","6","7","1") = "6"
    & skf21("6","4","4","3","3","7","1","1") = "6"
    & skf21("6","4","4","3","3","7","2","1") = "6"
    & skf21("6","4","4","3","3","7","3","1") = "6"
    & skf21("6","4","4","3","3","7","4","1") = "6"
    & skf21("6","4","4","3","3","7","5","1") = "6"
    & skf21("6","4","4","3","3","7","6","1") = "6"
    & skf21("6","4","4","3","3","7","7","1") = "6"
    & skf21("6","4","4","3","4","1","1","1") = "5"
    & skf21("6","4","4","3","4","1","2","1") = "5"
    & skf21("6","4","4","3","4","1","3","1") = "5"
    & skf21("6","4","4","3","4","1","4","1") = "5"
    & skf21("6","4","4","3","4","1","5","1") = "5"
    & skf21("6","4","4","3","4","1","6","1") = "5"
    & skf21("6","4","4","3","4","1","7","1") = "6"
    & skf21("6","4","4","3","4","2","1","1") = "5"
    & skf21("6","4","4","3","4","2","2","1") = "5"
    & skf21("6","4","4","3","4","2","3","1") = "5"
    & skf21("6","4","4","3","4","2","4","1") = "5"
    & skf21("6","4","4","3","4","2","5","1") = "5"
    & skf21("6","4","4","3","4","2","6","1") = "5"
    & skf21("6","4","4","3","4","2","7","1") = "6"
    & skf21("6","4","4","3","4","3","1","1") = "5"
    & skf21("6","4","4","3","4","3","2","1") = "5"
    & skf21("6","4","4","3","4","3","3","1") = "5"
    & skf21("6","4","4","3","4","3","4","1") = "5"
    & skf21("6","4","4","3","4","3","5","1") = "5"
    & skf21("6","4","4","3","4","3","6","1") = "5"
    & skf21("6","4","4","3","4","3","7","1") = "6"
    & skf21("6","4","4","3","4","4","1","1") = "5"
    & skf21("6","4","4","3","4","4","2","1") = "5"
    & skf21("6","4","4","3","4","4","3","1") = "5"
    & skf21("6","4","4","3","4","4","4","1") = "5"
    & skf21("6","4","4","3","4","4","5","1") = "5"
    & skf21("6","4","4","3","4","4","6","1") = "5"
    & skf21("6","4","4","3","4","4","7","1") = "6"
    & skf21("6","4","4","3","4","5","1","1") = "5"
    & skf21("6","4","4","3","4","5","2","1") = "5"
    & skf21("6","4","4","3","4","5","3","1") = "5"
    & skf21("6","4","4","3","4","5","4","1") = "5"
    & skf21("6","4","4","3","4","5","5","1") = "5"
    & skf21("6","4","4","3","4","5","6","1") = "5"
    & skf21("6","4","4","3","4","5","7","1") = "6"
    & skf21("6","4","4","3","4","6","1","1") = "5"
    & skf21("6","4","4","3","4","6","2","1") = "5"
    & skf21("6","4","4","3","4","6","3","1") = "5"
    & skf21("6","4","4","3","4","6","4","1") = "5"
    & skf21("6","4","4","3","4","6","5","1") = "5"
    & skf21("6","4","4","3","4","6","6","1") = "5"
    & skf21("6","4","4","3","4","6","7","1") = "6"
    & skf21("6","4","4","3","4","7","1","1") = "6"
    & skf21("6","4","4","3","4","7","2","1") = "6"
    & skf21("6","4","4","3","4","7","3","1") = "6"
    & skf21("6","4","4","3","4","7","4","1") = "6"
    & skf21("6","4","4","3","4","7","5","1") = "6"
    & skf21("6","4","4","3","4","7","6","1") = "6"
    & skf21("6","4","4","3","4","7","7","1") = "6"
    & skf21("6","4","4","3","5","1","1","1") = "5"
    & skf21("6","4","4","3","5","1","2","1") = "5"
    & skf21("6","4","4","3","5","1","3","1") = "5"
    & skf21("6","4","4","3","5","1","4","1") = "5"
    & skf21("6","4","4","3","5","1","5","1") = "5"
    & skf21("6","4","4","3","5","1","6","1") = "5"
    & skf21("6","4","4","3","5","1","7","1") = "6"
    & skf21("6","4","4","3","5","2","1","1") = "5"
    & skf21("6","4","4","3","5","2","2","1") = "5"
    & skf21("6","4","4","3","5","2","3","1") = "5"
    & skf21("6","4","4","3","5","2","4","1") = "5"
    & skf21("6","4","4","3","5","2","5","1") = "5"
    & skf21("6","4","4","3","5","2","6","1") = "5"
    & skf21("6","4","4","3","5","2","7","1") = "6"
    & skf21("6","4","4","3","5","3","1","1") = "5"
    & skf21("6","4","4","3","5","3","2","1") = "5"
    & skf21("6","4","4","3","5","3","3","1") = "5"
    & skf21("6","4","4","3","5","3","4","1") = "5"
    & skf21("6","4","4","3","5","3","5","1") = "5"
    & skf21("6","4","4","3","5","3","6","1") = "5"
    & skf21("6","4","4","3","5","3","7","1") = "6"
    & skf21("6","4","4","3","5","4","1","1") = "5"
    & skf21("6","4","4","3","5","4","2","1") = "5"
    & skf21("6","4","4","3","5","4","3","1") = "5"
    & skf21("6","4","4","3","5","4","4","1") = "5"
    & skf21("6","4","4","3","5","4","5","1") = "5"
    & skf21("6","4","4","3","5","4","6","1") = "5"
    & skf21("6","4","4","3","5","4","7","1") = "6"
    & skf21("6","4","4","3","5","5","1","1") = "5"
    & skf21("6","4","4","3","5","5","2","1") = "5"
    & skf21("6","4","4","3","5","5","3","1") = "5"
    & skf21("6","4","4","3","5","5","4","1") = "5"
    & skf21("6","4","4","3","5","5","5","1") = "5"
    & skf21("6","4","4","3","5","5","6","1") = "5"
    & skf21("6","4","4","3","5","5","7","1") = "6"
    & skf21("6","4","4","3","5","6","1","1") = "5"
    & skf21("6","4","4","3","5","6","2","1") = "5"
    & skf21("6","4","4","3","5","6","3","1") = "5"
    & skf21("6","4","4","3","5","6","4","1") = "5"
    & skf21("6","4","4","3","5","6","5","1") = "5"
    & skf21("6","4","4","3","5","6","6","1") = "5"
    & skf21("6","4","4","3","5","6","7","1") = "6"
    & skf21("6","4","4","3","5","7","1","1") = "6"
    & skf21("6","4","4","3","5","7","2","1") = "6"
    & skf21("6","4","4","3","5","7","3","1") = "6"
    & skf21("6","4","4","3","5","7","4","1") = "6"
    & skf21("6","4","4","3","5","7","5","1") = "6"
    & skf21("6","4","4","3","5","7","6","1") = "6"
    & skf21("6","4","4","3","5","7","7","1") = "6"
    & skf21("6","4","4","3","6","1","1","1") = "5"
    & skf21("6","4","4","3","6","1","2","1") = "5"
    & skf21("6","4","4","3","6","1","3","1") = "5"
    & skf21("6","4","4","3","6","1","4","1") = "5"
    & skf21("6","4","4","3","6","1","5","1") = "5"
    & skf21("6","4","4","3","6","1","6","1") = "5"
    & skf21("6","4","4","3","6","1","7","1") = "6"
    & skf21("6","4","4","3","6","2","1","1") = "5"
    & skf21("6","4","4","3","6","2","2","1") = "5"
    & skf21("6","4","4","3","6","2","3","1") = "5"
    & skf21("6","4","4","3","6","2","4","1") = "5"
    & skf21("6","4","4","3","6","2","5","1") = "5"
    & skf21("6","4","4","3","6","2","6","1") = "5"
    & skf21("6","4","4","3","6","2","7","1") = "6"
    & skf21("6","4","4","3","6","3","1","1") = "5"
    & skf21("6","4","4","3","6","3","2","1") = "5"
    & skf21("6","4","4","3","6","3","3","1") = "5"
    & skf21("6","4","4","3","6","3","4","1") = "5"
    & skf21("6","4","4","3","6","3","5","1") = "5"
    & skf21("6","4","4","3","6","3","6","1") = "5"
    & skf21("6","4","4","3","6","3","7","1") = "6"
    & skf21("6","4","4","3","6","4","1","1") = "5"
    & skf21("6","4","4","3","6","4","2","1") = "5"
    & skf21("6","4","4","3","6","4","3","1") = "5"
    & skf21("6","4","4","3","6","4","4","1") = "5"
    & skf21("6","4","4","3","6","4","5","1") = "5"
    & skf21("6","4","4","3","6","4","6","1") = "5"
    & skf21("6","4","4","3","6","4","7","1") = "6"
    & skf21("6","4","4","3","6","5","1","1") = "5"
    & skf21("6","4","4","3","6","5","2","1") = "5"
    & skf21("6","4","4","3","6","5","3","1") = "5"
    & skf21("6","4","4","3","6","5","4","1") = "5"
    & skf21("6","4","4","3","6","5","5","1") = "5"
    & skf21("6","4","4","3","6","5","6","1") = "5"
    & skf21("6","4","4","3","6","5","7","1") = "6"
    & skf21("6","4","4","3","6","6","1","1") = "5"
    & skf21("6","4","4","3","6","6","2","1") = "5"
    & skf21("6","4","4","3","6","6","3","1") = "5"
    & skf21("6","4","4","3","6","6","4","1") = "5"
    & skf21("6","4","4","3","6","6","5","1") = "5"
    & skf21("6","4","4","3","6","6","6","1") = "5"
    & skf21("6","4","4","3","6","6","7","1") = "6"
    & skf21("6","4","4","3","6","7","1","1") = "6"
    & skf21("6","4","4","3","6","7","2","1") = "6"
    & skf21("6","4","4","3","6","7","3","1") = "6"
    & skf21("6","4","4","3","6","7","4","1") = "6"
    & skf21("6","4","4","3","6","7","5","1") = "6"
    & skf21("6","4","4","3","6","7","6","1") = "6"
    & skf21("6","4","4","3","6","7","7","1") = "6"
    & skf21("6","4","4","3","7","1","1","1") = "6"
    & skf21("6","4","4","3","7","1","2","1") = "6"
    & skf21("6","4","4","3","7","1","3","1") = "6"
    & skf21("6","4","4","3","7","1","4","1") = "6"
    & skf21("6","4","4","3","7","1","5","1") = "6"
    & skf21("6","4","4","3","7","1","6","1") = "6"
    & skf21("6","4","4","3","7","1","7","1") = "6"
    & skf21("6","4","4","3","7","2","1","1") = "6"
    & skf21("6","4","4","3","7","2","2","1") = "6"
    & skf21("6","4","4","3","7","2","3","1") = "6"
    & skf21("6","4","4","3","7","2","4","1") = "6"
    & skf21("6","4","4","3","7","2","5","1") = "6"
    & skf21("6","4","4","3","7","2","6","1") = "6"
    & skf21("6","4","4","3","7","2","7","1") = "6"
    & skf21("6","4","4","3","7","3","1","1") = "6"
    & skf21("6","4","4","3","7","3","2","1") = "6"
    & skf21("6","4","4","3","7","3","3","1") = "6"
    & skf21("6","4","4","3","7","3","4","1") = "6"
    & skf21("6","4","4","3","7","3","5","1") = "6"
    & skf21("6","4","4","3","7","3","6","1") = "6"
    & skf21("6","4","4","3","7","3","7","1") = "6"
    & skf21("6","4","4","3","7","4","1","1") = "6"
    & skf21("6","4","4","3","7","4","2","1") = "6"
    & skf21("6","4","4","3","7","4","3","1") = "6"
    & skf21("6","4","4","3","7","4","4","1") = "6"
    & skf21("6","4","4","3","7","4","5","1") = "6"
    & skf21("6","4","4","3","7","4","6","1") = "6"
    & skf21("6","4","4","3","7","4","7","1") = "6"
    & skf21("6","4","4","3","7","5","1","1") = "6"
    & skf21("6","4","4","3","7","5","2","1") = "6"
    & skf21("6","4","4","3","7","5","3","1") = "6"
    & skf21("6","4","4","3","7","5","4","1") = "6"
    & skf21("6","4","4","3","7","5","5","1") = "6"
    & skf21("6","4","4","3","7","5","6","1") = "6"
    & skf21("6","4","4","3","7","5","7","1") = "6"
    & skf21("6","4","4","3","7","6","1","1") = "6"
    & skf21("6","4","4","3","7","6","2","1") = "6"
    & skf21("6","4","4","3","7","6","3","1") = "6"
    & skf21("6","4","4","3","7","6","4","1") = "6"
    & skf21("6","4","4","3","7","6","5","1") = "6"
    & skf21("6","4","4","3","7","6","6","1") = "6"
    & skf21("6","4","4","3","7","6","7","1") = "6"
    & skf21("6","4","4","3","7","7","1","1") = "6"
    & skf21("6","4","4","3","7","7","2","1") = "6"
    & skf21("6","4","4","3","7","7","3","1") = "6"
    & skf21("6","4","4","3","7","7","4","1") = "6"
    & skf21("6","4","4","3","7","7","5","1") = "6"
    & skf21("6","4","4","3","7","7","6","1") = "6"
    & skf21("6","4","4","3","7","7","7","1") = "6"
    & skf21("6","4","4","4","1","1","1","1") = "5"
    & skf21("6","4","4","4","1","1","2","1") = "5"
    & skf21("6","4","4","4","1","1","3","1") = "5"
    & skf21("6","4","4","4","1","1","4","1") = "5"
    & skf21("6","4","4","4","1","1","5","1") = "5"
    & skf21("6","4","4","4","1","1","6","1") = "5"
    & skf21("6","4","4","4","1","1","7","1") = "6"
    & skf21("6","4","4","4","1","2","1","1") = "5"
    & skf21("6","4","4","4","1","2","2","1") = "5"
    & skf21("6","4","4","4","1","2","3","1") = "5"
    & skf21("6","4","4","4","1","2","4","1") = "5"
    & skf21("6","4","4","4","1","2","5","1") = "5"
    & skf21("6","4","4","4","1","2","6","1") = "5"
    & skf21("6","4","4","4","1","2","7","1") = "6"
    & skf21("6","4","4","4","1","3","1","1") = "5"
    & skf21("6","4","4","4","1","3","2","1") = "5"
    & skf21("6","4","4","4","1","3","3","1") = "5"
    & skf21("6","4","4","4","1","3","4","1") = "5"
    & skf21("6","4","4","4","1","3","5","1") = "5"
    & skf21("6","4","4","4","1","3","6","1") = "5"
    & skf21("6","4","4","4","1","3","7","1") = "6"
    & skf21("6","4","4","4","1","4","1","1") = "5"
    & skf21("6","4","4","4","1","4","2","1") = "5"
    & skf21("6","4","4","4","1","4","3","1") = "5"
    & skf21("6","4","4","4","1","4","4","1") = "5"
    & skf21("6","4","4","4","1","4","5","1") = "5"
    & skf21("6","4","4","4","1","4","6","1") = "5"
    & skf21("6","4","4","4","1","4","7","1") = "6"
    & skf21("6","4","4","4","1","5","1","1") = "5"
    & skf21("6","4","4","4","1","5","2","1") = "5"
    & skf21("6","4","4","4","1","5","3","1") = "5"
    & skf21("6","4","4","4","1","5","4","1") = "5"
    & skf21("6","4","4","4","1","5","5","1") = "5"
    & skf21("6","4","4","4","1","5","6","1") = "5"
    & skf21("6","4","4","4","1","5","7","1") = "6"
    & skf21("6","4","4","4","1","6","1","1") = "5"
    & skf21("6","4","4","4","1","6","2","1") = "5"
    & skf21("6","4","4","4","1","6","3","1") = "5"
    & skf21("6","4","4","4","1","6","4","1") = "5"
    & skf21("6","4","4","4","1","6","5","1") = "5"
    & skf21("6","4","4","4","1","6","6","1") = "5"
    & skf21("6","4","4","4","1","6","7","1") = "6"
    & skf21("6","4","4","4","1","7","1","1") = "6"
    & skf21("6","4","4","4","1","7","2","1") = "6"
    & skf21("6","4","4","4","1","7","3","1") = "6"
    & skf21("6","4","4","4","1","7","4","1") = "6"
    & skf21("6","4","4","4","1","7","5","1") = "6"
    & skf21("6","4","4","4","1","7","6","1") = "6"
    & skf21("6","4","4","4","1","7","7","1") = "6"
    & skf21("6","4","4","4","2","1","1","1") = "5"
    & skf21("6","4","4","4","2","1","2","1") = "5"
    & skf21("6","4","4","4","2","1","3","1") = "5"
    & skf21("6","4","4","4","2","1","4","1") = "5"
    & skf21("6","4","4","4","2","1","5","1") = "5"
    & skf21("6","4","4","4","2","1","6","1") = "5"
    & skf21("6","4","4","4","2","1","7","1") = "6"
    & skf21("6","4","4","4","2","2","1","1") = "5"
    & skf21("6","4","4","4","2","2","2","1") = "5"
    & skf21("6","4","4","4","2","2","3","1") = "5"
    & skf21("6","4","4","4","2","2","4","1") = "5"
    & skf21("6","4","4","4","2","2","5","1") = "5"
    & skf21("6","4","4","4","2","2","6","1") = "5"
    & skf21("6","4","4","4","2","2","7","1") = "6"
    & skf21("6","4","4","4","2","3","1","1") = "5"
    & skf21("6","4","4","4","2","3","2","1") = "5"
    & skf21("6","4","4","4","2","3","3","1") = "5"
    & skf21("6","4","4","4","2","3","4","1") = "5"
    & skf21("6","4","4","4","2","3","5","1") = "5"
    & skf21("6","4","4","4","2","3","6","1") = "5"
    & skf21("6","4","4","4","2","3","7","1") = "6"
    & skf21("6","4","4","4","2","4","1","1") = "5"
    & skf21("6","4","4","4","2","4","2","1") = "5"
    & skf21("6","4","4","4","2","4","3","1") = "5"
    & skf21("6","4","4","4","2","4","4","1") = "5"
    & skf21("6","4","4","4","2","4","5","1") = "5"
    & skf21("6","4","4","4","2","4","6","1") = "5"
    & skf21("6","4","4","4","2","4","7","1") = "6"
    & skf21("6","4","4","4","2","5","1","1") = "5"
    & skf21("6","4","4","4","2","5","2","1") = "5"
    & skf21("6","4","4","4","2","5","3","1") = "5"
    & skf21("6","4","4","4","2","5","4","1") = "5"
    & skf21("6","4","4","4","2","5","5","1") = "5"
    & skf21("6","4","4","4","2","5","6","1") = "5"
    & skf21("6","4","4","4","2","5","7","1") = "6"
    & skf21("6","4","4","4","2","6","1","1") = "5"
    & skf21("6","4","4","4","2","6","2","1") = "5"
    & skf21("6","4","4","4","2","6","3","1") = "5"
    & skf21("6","4","4","4","2","6","4","1") = "5"
    & skf21("6","4","4","4","2","6","5","1") = "5"
    & skf21("6","4","4","4","2","6","6","1") = "5"
    & skf21("6","4","4","4","2","6","7","1") = "6"
    & skf21("6","4","4","4","2","7","1","1") = "6"
    & skf21("6","4","4","4","2","7","2","1") = "6"
    & skf21("6","4","4","4","2","7","3","1") = "6"
    & skf21("6","4","4","4","2","7","4","1") = "6"
    & skf21("6","4","4","4","2","7","5","1") = "6"
    & skf21("6","4","4","4","2","7","6","1") = "6"
    & skf21("6","4","4","4","2","7","7","1") = "6"
    & skf21("6","4","4","4","3","1","1","1") = "5"
    & skf21("6","4","4","4","3","1","2","1") = "5"
    & skf21("6","4","4","4","3","1","3","1") = "5"
    & skf21("6","4","4","4","3","1","4","1") = "5"
    & skf21("6","4","4","4","3","1","5","1") = "5"
    & skf21("6","4","4","4","3","1","6","1") = "5"
    & skf21("6","4","4","4","3","1","7","1") = "6"
    & skf21("6","4","4","4","3","2","1","1") = "5"
    & skf21("6","4","4","4","3","2","2","1") = "5"
    & skf21("6","4","4","4","3","2","3","1") = "5"
    & skf21("6","4","4","4","3","2","4","1") = "5"
    & skf21("6","4","4","4","3","2","5","1") = "5"
    & skf21("6","4","4","4","3","2","6","1") = "5"
    & skf21("6","4","4","4","3","2","7","1") = "6"
    & skf21("6","4","4","4","3","3","1","1") = "5"
    & skf21("6","4","4","4","3","3","2","1") = "5"
    & skf21("6","4","4","4","3","3","3","1") = "5"
    & skf21("6","4","4","4","3","3","4","1") = "5"
    & skf21("6","4","4","4","3","3","5","1") = "5"
    & skf21("6","4","4","4","3","3","6","1") = "5"
    & skf21("6","4","4","4","3","3","7","1") = "6"
    & skf21("6","4","4","4","3","4","1","1") = "5"
    & skf21("6","4","4","4","3","4","2","1") = "5"
    & skf21("6","4","4","4","3","4","3","1") = "5"
    & skf21("6","4","4","4","3","4","4","1") = "5"
    & skf21("6","4","4","4","3","4","5","1") = "5"
    & skf21("6","4","4","4","3","4","6","1") = "5"
    & skf21("6","4","4","4","3","4","7","1") = "6"
    & skf21("6","4","4","4","3","5","1","1") = "5"
    & skf21("6","4","4","4","3","5","2","1") = "5"
    & skf21("6","4","4","4","3","5","3","1") = "5"
    & skf21("6","4","4","4","3","5","4","1") = "5"
    & skf21("6","4","4","4","3","5","5","1") = "5"
    & skf21("6","4","4","4","3","5","6","1") = "5"
    & skf21("6","4","4","4","3","5","7","1") = "6"
    & skf21("6","4","4","4","3","6","1","1") = "5"
    & skf21("6","4","4","4","3","6","2","1") = "5"
    & skf21("6","4","4","4","3","6","3","1") = "5"
    & skf21("6","4","4","4","3","6","4","1") = "5"
    & skf21("6","4","4","4","3","6","5","1") = "5"
    & skf21("6","4","4","4","3","6","6","1") = "5"
    & skf21("6","4","4","4","3","6","7","1") = "6"
    & skf21("6","4","4","4","3","7","1","1") = "6"
    & skf21("6","4","4","4","3","7","2","1") = "6"
    & skf21("6","4","4","4","3","7","3","1") = "6"
    & skf21("6","4","4","4","3","7","4","1") = "6"
    & skf21("6","4","4","4","3","7","5","1") = "6"
    & skf21("6","4","4","4","3","7","6","1") = "6"
    & skf21("6","4","4","4","3","7","7","1") = "6"
    & skf21("6","4","4","4","4","1","1","1") = "5"
    & skf21("6","4","4","4","4","1","2","1") = "5"
    & skf21("6","4","4","4","4","1","3","1") = "5"
    & skf21("6","4","4","4","4","1","4","1") = "5"
    & skf21("6","4","4","4","4","1","5","1") = "5"
    & skf21("6","4","4","4","4","1","6","1") = "5"
    & skf21("6","4","4","4","4","1","7","1") = "6"
    & skf21("6","4","4","4","4","2","1","1") = "5"
    & skf21("6","4","4","4","4","2","2","1") = "5"
    & skf21("6","4","4","4","4","2","3","1") = "5"
    & skf21("6","4","4","4","4","2","4","1") = "5"
    & skf21("6","4","4","4","4","2","5","1") = "5"
    & skf21("6","4","4","4","4","2","6","1") = "5"
    & skf21("6","4","4","4","4","2","7","1") = "6"
    & skf21("6","4","4","4","4","3","1","1") = "5"
    & skf21("6","4","4","4","4","3","2","1") = "5"
    & skf21("6","4","4","4","4","3","3","1") = "5"
    & skf21("6","4","4","4","4","3","4","1") = "5"
    & skf21("6","4","4","4","4","3","5","1") = "5"
    & skf21("6","4","4","4","4","3","6","1") = "5"
    & skf21("6","4","4","4","4","3","7","1") = "6"
    & skf21("6","4","4","4","4","4","1","1") = "5"
    & skf21("6","4","4","4","4","4","2","1") = "5"
    & skf21("6","4","4","4","4","4","3","1") = "5"
    & skf21("6","4","4","4","4","4","4","1") = "5"
    & skf21("6","4","4","4","4","4","5","1") = "5"
    & skf21("6","4","4","4","4","4","6","1") = "5"
    & skf21("6","4","4","4","4","4","7","1") = "6"
    & skf21("6","4","4","4","4","5","1","1") = "5"
    & skf21("6","4","4","4","4","5","2","1") = "5"
    & skf21("6","4","4","4","4","5","3","1") = "5"
    & skf21("6","4","4","4","4","5","4","1") = "5"
    & skf21("6","4","4","4","4","5","5","1") = "5"
    & skf21("6","4","4","4","4","5","6","1") = "5"
    & skf21("6","4","4","4","4","5","7","1") = "6"
    & skf21("6","4","4","4","4","6","1","1") = "5"
    & skf21("6","4","4","4","4","6","2","1") = "5"
    & skf21("6","4","4","4","4","6","3","1") = "5"
    & skf21("6","4","4","4","4","6","4","1") = "5"
    & skf21("6","4","4","4","4","6","5","1") = "5"
    & skf21("6","4","4","4","4","6","6","1") = "5"
    & skf21("6","4","4","4","4","6","7","1") = "6"
    & skf21("6","4","4","4","4","7","1","1") = "6"
    & skf21("6","4","4","4","4","7","2","1") = "6"
    & skf21("6","4","4","4","4","7","3","1") = "6"
    & skf21("6","4","4","4","4","7","4","1") = "6"
    & skf21("6","4","4","4","4","7","5","1") = "6"
    & skf21("6","4","4","4","4","7","6","1") = "6"
    & skf21("6","4","4","4","4","7","7","1") = "6"
    & skf21("6","4","4","4","5","1","1","1") = "5"
    & skf21("6","4","4","4","5","1","2","1") = "5"
    & skf21("6","4","4","4","5","1","3","1") = "5"
    & skf21("6","4","4","4","5","1","4","1") = "5"
    & skf21("6","4","4","4","5","1","5","1") = "5"
    & skf21("6","4","4","4","5","1","6","1") = "5"
    & skf21("6","4","4","4","5","1","7","1") = "6"
    & skf21("6","4","4","4","5","2","1","1") = "5"
    & skf21("6","4","4","4","5","2","2","1") = "5"
    & skf21("6","4","4","4","5","2","3","1") = "5"
    & skf21("6","4","4","4","5","2","4","1") = "5"
    & skf21("6","4","4","4","5","2","5","1") = "5"
    & skf21("6","4","4","4","5","2","6","1") = "5"
    & skf21("6","4","4","4","5","2","7","1") = "6"
    & skf21("6","4","4","4","5","3","1","1") = "5"
    & skf21("6","4","4","4","5","3","2","1") = "5"
    & skf21("6","4","4","4","5","3","3","1") = "5"
    & skf21("6","4","4","4","5","3","4","1") = "5"
    & skf21("6","4","4","4","5","3","5","1") = "5"
    & skf21("6","4","4","4","5","3","6","1") = "5"
    & skf21("6","4","4","4","5","3","7","1") = "6"
    & skf21("6","4","4","4","5","4","1","1") = "5"
    & skf21("6","4","4","4","5","4","2","1") = "5"
    & skf21("6","4","4","4","5","4","3","1") = "5"
    & skf21("6","4","4","4","5","4","4","1") = "5"
    & skf21("6","4","4","4","5","4","5","1") = "5"
    & skf21("6","4","4","4","5","4","6","1") = "5"
    & skf21("6","4","4","4","5","4","7","1") = "6"
    & skf21("6","4","4","4","5","5","1","1") = "5"
    & skf21("6","4","4","4","5","5","2","1") = "5"
    & skf21("6","4","4","4","5","5","3","1") = "5"
    & skf21("6","4","4","4","5","5","4","1") = "5"
    & skf21("6","4","4","4","5","5","5","1") = "5"
    & skf21("6","4","4","4","5","5","6","1") = "5"
    & skf21("6","4","4","4","5","5","7","1") = "6"
    & skf21("6","4","4","4","5","6","1","1") = "5"
    & skf21("6","4","4","4","5","6","2","1") = "5"
    & skf21("6","4","4","4","5","6","3","1") = "5"
    & skf21("6","4","4","4","5","6","4","1") = "5"
    & skf21("6","4","4","4","5","6","5","1") = "5"
    & skf21("6","4","4","4","5","6","6","1") = "5"
    & skf21("6","4","4","4","5","6","7","1") = "6"
    & skf21("6","4","4","4","5","7","1","1") = "6"
    & skf21("6","4","4","4","5","7","2","1") = "6"
    & skf21("6","4","4","4","5","7","3","1") = "6"
    & skf21("6","4","4","4","5","7","4","1") = "6"
    & skf21("6","4","4","4","5","7","5","1") = "6"
    & skf21("6","4","4","4","5","7","6","1") = "6"
    & skf21("6","4","4","4","5","7","7","1") = "6"
    & skf21("6","4","4","4","6","1","1","1") = "5"
    & skf21("6","4","4","4","6","1","2","1") = "5"
    & skf21("6","4","4","4","6","1","3","1") = "5"
    & skf21("6","4","4","4","6","1","4","1") = "5"
    & skf21("6","4","4","4","6","1","5","1") = "5"
    & skf21("6","4","4","4","6","1","6","1") = "5"
    & skf21("6","4","4","4","6","1","7","1") = "6"
    & skf21("6","4","4","4","6","2","1","1") = "5"
    & skf21("6","4","4","4","6","2","2","1") = "5"
    & skf21("6","4","4","4","6","2","3","1") = "5"
    & skf21("6","4","4","4","6","2","4","1") = "5"
    & skf21("6","4","4","4","6","2","5","1") = "5"
    & skf21("6","4","4","4","6","2","6","1") = "5"
    & skf21("6","4","4","4","6","2","7","1") = "6"
    & skf21("6","4","4","4","6","3","1","1") = "5"
    & skf21("6","4","4","4","6","3","2","1") = "5"
    & skf21("6","4","4","4","6","3","3","1") = "5"
    & skf21("6","4","4","4","6","3","4","1") = "5"
    & skf21("6","4","4","4","6","3","5","1") = "5"
    & skf21("6","4","4","4","6","3","6","1") = "5"
    & skf21("6","4","4","4","6","3","7","1") = "6"
    & skf21("6","4","4","4","6","4","1","1") = "5"
    & skf21("6","4","4","4","6","4","2","1") = "5"
    & skf21("6","4","4","4","6","4","3","1") = "5"
    & skf21("6","4","4","4","6","4","4","1") = "5"
    & skf21("6","4","4","4","6","4","5","1") = "5"
    & skf21("6","4","4","4","6","4","6","1") = "5"
    & skf21("6","4","4","4","6","4","7","1") = "6"
    & skf21("6","4","4","4","6","5","1","1") = "5"
    & skf21("6","4","4","4","6","5","2","1") = "5"
    & skf21("6","4","4","4","6","5","3","1") = "5"
    & skf21("6","4","4","4","6","5","4","1") = "5"
    & skf21("6","4","4","4","6","5","5","1") = "5"
    & skf21("6","4","4","4","6","5","6","1") = "5"
    & skf21("6","4","4","4","6","5","7","1") = "6"
    & skf21("6","4","4","4","6","6","1","1") = "5"
    & skf21("6","4","4","4","6","6","2","1") = "5"
    & skf21("6","4","4","4","6","6","3","1") = "5"
    & skf21("6","4","4","4","6","6","4","1") = "5"
    & skf21("6","4","4","4","6","6","5","1") = "5"
    & skf21("6","4","4","4","6","6","6","1") = "5"
    & skf21("6","4","4","4","6","6","7","1") = "6"
    & skf21("6","4","4","4","6","7","1","1") = "6"
    & skf21("6","4","4","4","6","7","2","1") = "6"
    & skf21("6","4","4","4","6","7","3","1") = "6"
    & skf21("6","4","4","4","6","7","4","1") = "6"
    & skf21("6","4","4","4","6","7","5","1") = "6"
    & skf21("6","4","4","4","6","7","6","1") = "6"
    & skf21("6","4","4","4","6","7","7","1") = "6"
    & skf21("6","4","4","4","7","1","1","1") = "6"
    & skf21("6","4","4","4","7","1","2","1") = "6"
    & skf21("6","4","4","4","7","1","3","1") = "6"
    & skf21("6","4","4","4","7","1","4","1") = "6"
    & skf21("6","4","4","4","7","1","5","1") = "6"
    & skf21("6","4","4","4","7","1","6","1") = "6"
    & skf21("6","4","4","4","7","1","7","1") = "6"
    & skf21("6","4","4","4","7","2","1","1") = "6"
    & skf21("6","4","4","4","7","2","2","1") = "6"
    & skf21("6","4","4","4","7","2","3","1") = "6"
    & skf21("6","4","4","4","7","2","4","1") = "6"
    & skf21("6","4","4","4","7","2","5","1") = "6"
    & skf21("6","4","4","4","7","2","6","1") = "6"
    & skf21("6","4","4","4","7","2","7","1") = "6"
    & skf21("6","4","4","4","7","3","1","1") = "6"
    & skf21("6","4","4","4","7","3","2","1") = "6"
    & skf21("6","4","4","4","7","3","3","1") = "6"
    & skf21("6","4","4","4","7","3","4","1") = "6"
    & skf21("6","4","4","4","7","3","5","1") = "6"
    & skf21("6","4","4","4","7","3","6","1") = "6"
    & skf21("6","4","4","4","7","3","7","1") = "6"
    & skf21("6","4","4","4","7","4","1","1") = "6"
    & skf21("6","4","4","4","7","4","2","1") = "6"
    & skf21("6","4","4","4","7","4","3","1") = "6"
    & skf21("6","4","4","4","7","4","4","1") = "6"
    & skf21("6","4","4","4","7","4","5","1") = "6"
    & skf21("6","4","4","4","7","4","6","1") = "6"
    & skf21("6","4","4","4","7","4","7","1") = "6"
    & skf21("6","4","4","4","7","5","1","1") = "6"
    & skf21("6","4","4","4","7","5","2","1") = "6"
    & skf21("6","4","4","4","7","5","3","1") = "6"
    & skf21("6","4","4","4","7","5","4","1") = "6"
    & skf21("6","4","4","4","7","5","5","1") = "6"
    & skf21("6","4","4","4","7","5","6","1") = "6"
    & skf21("6","4","4","4","7","5","7","1") = "6"
    & skf21("6","4","4","4","7","6","1","1") = "6"
    & skf21("6","4","4","4","7","6","2","1") = "6"
    & skf21("6","4","4","4","7","6","3","1") = "6"
    & skf21("6","4","4","4","7","6","4","1") = "6"
    & skf21("6","4","4","4","7","6","5","1") = "6"
    & skf21("6","4","4","4","7","6","6","1") = "6"
    & skf21("6","4","4","4","7","6","7","1") = "6"
    & skf21("6","4","4","4","7","7","1","1") = "6"
    & skf21("6","4","4","4","7","7","2","1") = "6"
    & skf21("6","4","4","4","7","7","3","1") = "6"
    & skf21("6","4","4","4","7","7","4","1") = "6"
    & skf21("6","4","4","4","7","7","5","1") = "6"
    & skf21("6","4","4","4","7","7","6","1") = "6"
    & skf21("6","4","4","4","7","7","7","1") = "6"
    & skf21("6","4","4","5","1","1","1","1") = "5"
    & skf21("6","4","4","5","1","1","2","1") = "5"
    & skf21("6","4","4","5","1","1","3","1") = "5"
    & skf21("6","4","4","5","1","1","4","1") = "5"
    & skf21("6","4","4","5","1","1","5","1") = "5"
    & skf21("6","4","4","5","1","1","6","1") = "5"
    & skf21("6","4","4","5","1","1","7","1") = "6"
    & skf21("6","4","4","5","1","2","1","1") = "5"
    & skf21("6","4","4","5","1","2","2","1") = "5"
    & skf21("6","4","4","5","1","2","3","1") = "5"
    & skf21("6","4","4","5","1","2","4","1") = "5"
    & skf21("6","4","4","5","1","2","5","1") = "5"
    & skf21("6","4","4","5","1","2","6","1") = "5"
    & skf21("6","4","4","5","1","2","7","1") = "6"
    & skf21("6","4","4","5","1","3","1","1") = "5"
    & skf21("6","4","4","5","1","3","2","1") = "5"
    & skf21("6","4","4","5","1","3","3","1") = "5"
    & skf21("6","4","4","5","1","3","4","1") = "5"
    & skf21("6","4","4","5","1","3","5","1") = "5"
    & skf21("6","4","4","5","1","3","6","1") = "5"
    & skf21("6","4","4","5","1","3","7","1") = "6"
    & skf21("6","4","4","5","1","4","1","1") = "5"
    & skf21("6","4","4","5","1","4","2","1") = "5"
    & skf21("6","4","4","5","1","4","3","1") = "5"
    & skf21("6","4","4","5","1","4","4","1") = "5"
    & skf21("6","4","4","5","1","4","5","1") = "5"
    & skf21("6","4","4","5","1","4","6","1") = "5"
    & skf21("6","4","4","5","1","4","7","1") = "6"
    & skf21("6","4","4","5","1","5","1","1") = "5"
    & skf21("6","4","4","5","1","5","2","1") = "5"
    & skf21("6","4","4","5","1","5","3","1") = "5"
    & skf21("6","4","4","5","1","5","4","1") = "5"
    & skf21("6","4","4","5","1","5","5","1") = "5"
    & skf21("6","4","4","5","1","5","6","1") = "5"
    & skf21("6","4","4","5","1","5","7","1") = "6"
    & skf21("6","4","4","5","1","6","1","1") = "5"
    & skf21("6","4","4","5","1","6","2","1") = "5"
    & skf21("6","4","4","5","1","6","3","1") = "5"
    & skf21("6","4","4","5","1","6","4","1") = "5"
    & skf21("6","4","4","5","1","6","5","1") = "5"
    & skf21("6","4","4","5","1","6","6","1") = "5"
    & skf21("6","4","4","5","1","6","7","1") = "6"
    & skf21("6","4","4","5","1","7","1","1") = "6"
    & skf21("6","4","4","5","1","7","2","1") = "6"
    & skf21("6","4","4","5","1","7","3","1") = "6"
    & skf21("6","4","4","5","1","7","4","1") = "6"
    & skf21("6","4","4","5","1","7","5","1") = "6"
    & skf21("6","4","4","5","1","7","6","1") = "6"
    & skf21("6","4","4","5","1","7","7","1") = "6"
    & skf21("6","4","4","5","2","1","1","1") = "5"
    & skf21("6","4","4","5","2","1","2","1") = "5"
    & skf21("6","4","4","5","2","1","3","1") = "5"
    & skf21("6","4","4","5","2","1","4","1") = "5"
    & skf21("6","4","4","5","2","1","5","1") = "5"
    & skf21("6","4","4","5","2","1","6","1") = "5"
    & skf21("6","4","4","5","2","1","7","1") = "6"
    & skf21("6","4","4","5","2","2","1","1") = "5"
    & skf21("6","4","4","5","2","2","2","1") = "5"
    & skf21("6","4","4","5","2","2","3","1") = "5"
    & skf21("6","4","4","5","2","2","4","1") = "5"
    & skf21("6","4","4","5","2","2","5","1") = "5"
    & skf21("6","4","4","5","2","2","6","1") = "5"
    & skf21("6","4","4","5","2","2","7","1") = "6"
    & skf21("6","4","4","5","2","3","1","1") = "5"
    & skf21("6","4","4","5","2","3","2","1") = "5"
    & skf21("6","4","4","5","2","3","3","1") = "5"
    & skf21("6","4","4","5","2","3","4","1") = "5"
    & skf21("6","4","4","5","2","3","5","1") = "5"
    & skf21("6","4","4","5","2","3","6","1") = "5"
    & skf21("6","4","4","5","2","3","7","1") = "6"
    & skf21("6","4","4","5","2","4","1","1") = "5"
    & skf21("6","4","4","5","2","4","2","1") = "5"
    & skf21("6","4","4","5","2","4","3","1") = "5"
    & skf21("6","4","4","5","2","4","4","1") = "5"
    & skf21("6","4","4","5","2","4","5","1") = "5"
    & skf21("6","4","4","5","2","4","6","1") = "5"
    & skf21("6","4","4","5","2","4","7","1") = "6"
    & skf21("6","4","4","5","2","5","1","1") = "5"
    & skf21("6","4","4","5","2","5","2","1") = "5"
    & skf21("6","4","4","5","2","5","3","1") = "5"
    & skf21("6","4","4","5","2","5","4","1") = "5"
    & skf21("6","4","4","5","2","5","5","1") = "5"
    & skf21("6","4","4","5","2","5","6","1") = "5"
    & skf21("6","4","4","5","2","5","7","1") = "6"
    & skf21("6","4","4","5","2","6","1","1") = "5"
    & skf21("6","4","4","5","2","6","2","1") = "5"
    & skf21("6","4","4","5","2","6","3","1") = "5"
    & skf21("6","4","4","5","2","6","4","1") = "5"
    & skf21("6","4","4","5","2","6","5","1") = "5"
    & skf21("6","4","4","5","2","6","6","1") = "5"
    & skf21("6","4","4","5","2","6","7","1") = "6"
    & skf21("6","4","4","5","2","7","1","1") = "6"
    & skf21("6","4","4","5","2","7","2","1") = "6"
    & skf21("6","4","4","5","2","7","3","1") = "6"
    & skf21("6","4","4","5","2","7","4","1") = "6"
    & skf21("6","4","4","5","2","7","5","1") = "6"
    & skf21("6","4","4","5","2","7","6","1") = "6"
    & skf21("6","4","4","5","2","7","7","1") = "6"
    & skf21("6","4","4","5","3","1","1","1") = "5"
    & skf21("6","4","4","5","3","1","2","1") = "5"
    & skf21("6","4","4","5","3","1","3","1") = "5"
    & skf21("6","4","4","5","3","1","4","1") = "5"
    & skf21("6","4","4","5","3","1","5","1") = "5"
    & skf21("6","4","4","5","3","1","6","1") = "5"
    & skf21("6","4","4","5","3","1","7","1") = "6"
    & skf21("6","4","4","5","3","2","1","1") = "5"
    & skf21("6","4","4","5","3","2","2","1") = "5"
    & skf21("6","4","4","5","3","2","3","1") = "5"
    & skf21("6","4","4","5","3","2","4","1") = "5"
    & skf21("6","4","4","5","3","2","5","1") = "5"
    & skf21("6","4","4","5","3","2","6","1") = "5"
    & skf21("6","4","4","5","3","2","7","1") = "6"
    & skf21("6","4","4","5","3","3","1","1") = "5"
    & skf21("6","4","4","5","3","3","2","1") = "5"
    & skf21("6","4","4","5","3","3","3","1") = "5"
    & skf21("6","4","4","5","3","3","4","1") = "5"
    & skf21("6","4","4","5","3","3","5","1") = "5"
    & skf21("6","4","4","5","3","3","6","1") = "5"
    & skf21("6","4","4","5","3","3","7","1") = "6"
    & skf21("6","4","4","5","3","4","1","1") = "5"
    & skf21("6","4","4","5","3","4","2","1") = "5"
    & skf21("6","4","4","5","3","4","3","1") = "5"
    & skf21("6","4","4","5","3","4","4","1") = "5"
    & skf21("6","4","4","5","3","4","5","1") = "5"
    & skf21("6","4","4","5","3","4","6","1") = "5"
    & skf21("6","4","4","5","3","4","7","1") = "6"
    & skf21("6","4","4","5","3","5","1","1") = "5"
    & skf21("6","4","4","5","3","5","2","1") = "5"
    & skf21("6","4","4","5","3","5","3","1") = "5"
    & skf21("6","4","4","5","3","5","4","1") = "5"
    & skf21("6","4","4","5","3","5","5","1") = "5"
    & skf21("6","4","4","5","3","5","6","1") = "5"
    & skf21("6","4","4","5","3","5","7","1") = "6"
    & skf21("6","4","4","5","3","6","1","1") = "5"
    & skf21("6","4","4","5","3","6","2","1") = "5"
    & skf21("6","4","4","5","3","6","3","1") = "5"
    & skf21("6","4","4","5","3","6","4","1") = "5"
    & skf21("6","4","4","5","3","6","5","1") = "5"
    & skf21("6","4","4","5","3","6","6","1") = "5"
    & skf21("6","4","4","5","3","6","7","1") = "6"
    & skf21("6","4","4","5","3","7","1","1") = "6"
    & skf21("6","4","4","5","3","7","2","1") = "6"
    & skf21("6","4","4","5","3","7","3","1") = "6"
    & skf21("6","4","4","5","3","7","4","1") = "6"
    & skf21("6","4","4","5","3","7","5","1") = "6"
    & skf21("6","4","4","5","3","7","6","1") = "6"
    & skf21("6","4","4","5","3","7","7","1") = "6"
    & skf21("6","4","4","5","4","1","1","1") = "5"
    & skf21("6","4","4","5","4","1","2","1") = "5"
    & skf21("6","4","4","5","4","1","3","1") = "5"
    & skf21("6","4","4","5","4","1","4","1") = "5"
    & skf21("6","4","4","5","4","1","5","1") = "5"
    & skf21("6","4","4","5","4","1","6","1") = "5"
    & skf21("6","4","4","5","4","1","7","1") = "6"
    & skf21("6","4","4","5","4","2","1","1") = "5"
    & skf21("6","4","4","5","4","2","2","1") = "5"
    & skf21("6","4","4","5","4","2","3","1") = "5"
    & skf21("6","4","4","5","4","2","4","1") = "5"
    & skf21("6","4","4","5","4","2","5","1") = "5"
    & skf21("6","4","4","5","4","2","6","1") = "5"
    & skf21("6","4","4","5","4","2","7","1") = "6"
    & skf21("6","4","4","5","4","3","1","1") = "5"
    & skf21("6","4","4","5","4","3","2","1") = "5"
    & skf21("6","4","4","5","4","3","3","1") = "5"
    & skf21("6","4","4","5","4","3","4","1") = "5"
    & skf21("6","4","4","5","4","3","5","1") = "5"
    & skf21("6","4","4","5","4","3","6","1") = "5"
    & skf21("6","4","4","5","4","3","7","1") = "6"
    & skf21("6","4","4","5","4","4","1","1") = "5"
    & skf21("6","4","4","5","4","4","2","1") = "5"
    & skf21("6","4","4","5","4","4","3","1") = "5"
    & skf21("6","4","4","5","4","4","4","1") = "5"
    & skf21("6","4","4","5","4","4","5","1") = "5"
    & skf21("6","4","4","5","4","4","6","1") = "5"
    & skf21("6","4","4","5","4","4","7","1") = "6"
    & skf21("6","4","4","5","4","5","1","1") = "5"
    & skf21("6","4","4","5","4","5","2","1") = "5"
    & skf21("6","4","4","5","4","5","3","1") = "5"
    & skf21("6","4","4","5","4","5","4","1") = "5"
    & skf21("6","4","4","5","4","5","5","1") = "5"
    & skf21("6","4","4","5","4","5","6","1") = "5"
    & skf21("6","4","4","5","4","5","7","1") = "6"
    & skf21("6","4","4","5","4","6","1","1") = "5"
    & skf21("6","4","4","5","4","6","2","1") = "5"
    & skf21("6","4","4","5","4","6","3","1") = "5"
    & skf21("6","4","4","5","4","6","4","1") = "5"
    & skf21("6","4","4","5","4","6","5","1") = "5"
    & skf21("6","4","4","5","4","6","6","1") = "5"
    & skf21("6","4","4","5","4","6","7","1") = "6"
    & skf21("6","4","4","5","4","7","1","1") = "6"
    & skf21("6","4","4","5","4","7","2","1") = "6"
    & skf21("6","4","4","5","4","7","3","1") = "6"
    & skf21("6","4","4","5","4","7","4","1") = "6"
    & skf21("6","4","4","5","4","7","5","1") = "6"
    & skf21("6","4","4","5","4","7","6","1") = "6"
    & skf21("6","4","4","5","4","7","7","1") = "6"
    & skf21("6","4","4","5","5","1","1","1") = "5"
    & skf21("6","4","4","5","5","1","2","1") = "5"
    & skf21("6","4","4","5","5","1","3","1") = "5"
    & skf21("6","4","4","5","5","1","4","1") = "5"
    & skf21("6","4","4","5","5","1","5","1") = "5"
    & skf21("6","4","4","5","5","1","6","1") = "5"
    & skf21("6","4","4","5","5","1","7","1") = "6"
    & skf21("6","4","4","5","5","2","1","1") = "5"
    & skf21("6","4","4","5","5","2","2","1") = "5"
    & skf21("6","4","4","5","5","2","3","1") = "5"
    & skf21("6","4","4","5","5","2","4","1") = "5"
    & skf21("6","4","4","5","5","2","5","1") = "5"
    & skf21("6","4","4","5","5","2","6","1") = "5"
    & skf21("6","4","4","5","5","2","7","1") = "6"
    & skf21("6","4","4","5","5","3","1","1") = "5"
    & skf21("6","4","4","5","5","3","2","1") = "5"
    & skf21("6","4","4","5","5","3","3","1") = "5"
    & skf21("6","4","4","5","5","3","4","1") = "5"
    & skf21("6","4","4","5","5","3","5","1") = "5"
    & skf21("6","4","4","5","5","3","6","1") = "5"
    & skf21("6","4","4","5","5","3","7","1") = "6"
    & skf21("6","4","4","5","5","4","1","1") = "5"
    & skf21("6","4","4","5","5","4","2","1") = "5"
    & skf21("6","4","4","5","5","4","3","1") = "5"
    & skf21("6","4","4","5","5","4","4","1") = "5"
    & skf21("6","4","4","5","5","4","5","1") = "5"
    & skf21("6","4","4","5","5","4","6","1") = "5"
    & skf21("6","4","4","5","5","4","7","1") = "6"
    & skf21("6","4","4","5","5","5","1","1") = "5"
    & skf21("6","4","4","5","5","5","2","1") = "5"
    & skf21("6","4","4","5","5","5","3","1") = "5"
    & skf21("6","4","4","5","5","5","4","1") = "5"
    & skf21("6","4","4","5","5","5","5","1") = "5"
    & skf21("6","4","4","5","5","5","6","1") = "5"
    & skf21("6","4","4","5","5","5","7","1") = "6"
    & skf21("6","4","4","5","5","6","1","1") = "5"
    & skf21("6","4","4","5","5","6","2","1") = "5"
    & skf21("6","4","4","5","5","6","3","1") = "5"
    & skf21("6","4","4","5","5","6","4","1") = "5"
    & skf21("6","4","4","5","5","6","5","1") = "5"
    & skf21("6","4","4","5","5","6","6","1") = "5"
    & skf21("6","4","4","5","5","6","7","1") = "6"
    & skf21("6","4","4","5","5","7","1","1") = "6"
    & skf21("6","4","4","5","5","7","2","1") = "6"
    & skf21("6","4","4","5","5","7","3","1") = "6"
    & skf21("6","4","4","5","5","7","4","1") = "6"
    & skf21("6","4","4","5","5","7","5","1") = "6"
    & skf21("6","4","4","5","5","7","6","1") = "6"
    & skf21("6","4","4","5","5","7","7","1") = "6"
    & skf21("6","4","4","5","6","1","1","1") = "5"
    & skf21("6","4","4","5","6","1","2","1") = "5"
    & skf21("6","4","4","5","6","1","3","1") = "5"
    & skf21("6","4","4","5","6","1","4","1") = "5"
    & skf21("6","4","4","5","6","1","5","1") = "5"
    & skf21("6","4","4","5","6","1","6","1") = "5"
    & skf21("6","4","4","5","6","1","7","1") = "6"
    & skf21("6","4","4","5","6","2","1","1") = "5"
    & skf21("6","4","4","5","6","2","2","1") = "5"
    & skf21("6","4","4","5","6","2","3","1") = "5"
    & skf21("6","4","4","5","6","2","4","1") = "5"
    & skf21("6","4","4","5","6","2","5","1") = "5"
    & skf21("6","4","4","5","6","2","6","1") = "5"
    & skf21("6","4","4","5","6","2","7","1") = "6"
    & skf21("6","4","4","5","6","3","1","1") = "5"
    & skf21("6","4","4","5","6","3","2","1") = "5"
    & skf21("6","4","4","5","6","3","3","1") = "5"
    & skf21("6","4","4","5","6","3","4","1") = "5"
    & skf21("6","4","4","5","6","3","5","1") = "5"
    & skf21("6","4","4","5","6","3","6","1") = "5"
    & skf21("6","4","4","5","6","3","7","1") = "6"
    & skf21("6","4","4","5","6","4","1","1") = "5"
    & skf21("6","4","4","5","6","4","2","1") = "5"
    & skf21("6","4","4","5","6","4","3","1") = "5"
    & skf21("6","4","4","5","6","4","4","1") = "5"
    & skf21("6","4","4","5","6","4","5","1") = "5"
    & skf21("6","4","4","5","6","4","6","1") = "5"
    & skf21("6","4","4","5","6","4","7","1") = "6"
    & skf21("6","4","4","5","6","5","1","1") = "5"
    & skf21("6","4","4","5","6","5","2","1") = "5"
    & skf21("6","4","4","5","6","5","3","1") = "5"
    & skf21("6","4","4","5","6","5","4","1") = "5"
    & skf21("6","4","4","5","6","5","5","1") = "5"
    & skf21("6","4","4","5","6","5","6","1") = "5"
    & skf21("6","4","4","5","6","5","7","1") = "6"
    & skf21("6","4","4","5","6","6","1","1") = "5"
    & skf21("6","4","4","5","6","6","2","1") = "5"
    & skf21("6","4","4","5","6","6","3","1") = "5"
    & skf21("6","4","4","5","6","6","4","1") = "5"
    & skf21("6","4","4","5","6","6","5","1") = "5"
    & skf21("6","4","4","5","6","6","6","1") = "5"
    & skf21("6","4","4","5","6","6","7","1") = "6"
    & skf21("6","4","4","5","6","7","1","1") = "6"
    & skf21("6","4","4","5","6","7","2","1") = "6"
    & skf21("6","4","4","5","6","7","3","1") = "6"
    & skf21("6","4","4","5","6","7","4","1") = "6"
    & skf21("6","4","4","5","6","7","5","1") = "6"
    & skf21("6","4","4","5","6","7","6","1") = "6"
    & skf21("6","4","4","5","6","7","7","1") = "6"
    & skf21("6","4","4","5","7","1","1","1") = "6"
    & skf21("6","4","4","5","7","1","2","1") = "6"
    & skf21("6","4","4","5","7","1","3","1") = "6"
    & skf21("6","4","4","5","7","1","4","1") = "6"
    & skf21("6","4","4","5","7","1","5","1") = "6"
    & skf21("6","4","4","5","7","1","6","1") = "6"
    & skf21("6","4","4","5","7","1","7","1") = "6"
    & skf21("6","4","4","5","7","2","1","1") = "6"
    & skf21("6","4","4","5","7","2","2","1") = "6"
    & skf21("6","4","4","5","7","2","3","1") = "6"
    & skf21("6","4","4","5","7","2","4","1") = "6"
    & skf21("6","4","4","5","7","2","5","1") = "6"
    & skf21("6","4","4","5","7","2","6","1") = "6"
    & skf21("6","4","4","5","7","2","7","1") = "6"
    & skf21("6","4","4","5","7","3","1","1") = "6"
    & skf21("6","4","4","5","7","3","2","1") = "6"
    & skf21("6","4","4","5","7","3","3","1") = "6"
    & skf21("6","4","4","5","7","3","4","1") = "6"
    & skf21("6","4","4","5","7","3","5","1") = "6"
    & skf21("6","4","4","5","7","3","6","1") = "6"
    & skf21("6","4","4","5","7","3","7","1") = "6"
    & skf21("6","4","4","5","7","4","1","1") = "6"
    & skf21("6","4","4","5","7","4","2","1") = "6"
    & skf21("6","4","4","5","7","4","3","1") = "6"
    & skf21("6","4","4","5","7","4","4","1") = "6"
    & skf21("6","4","4","5","7","4","5","1") = "6"
    & skf21("6","4","4","5","7","4","6","1") = "6"
    & skf21("6","4","4","5","7","4","7","1") = "6"
    & skf21("6","4","4","5","7","5","1","1") = "6"
    & skf21("6","4","4","5","7","5","2","1") = "6"
    & skf21("6","4","4","5","7","5","3","1") = "6"
    & skf21("6","4","4","5","7","5","4","1") = "6"
    & skf21("6","4","4","5","7","5","5","1") = "6"
    & skf21("6","4","4","5","7","5","6","1") = "6"
    & skf21("6","4","4","5","7","5","7","1") = "6"
    & skf21("6","4","4","5","7","6","1","1") = "6"
    & skf21("6","4","4","5","7","6","2","1") = "6"
    & skf21("6","4","4","5","7","6","3","1") = "6"
    & skf21("6","4","4","5","7","6","4","1") = "6"
    & skf21("6","4","4","5","7","6","5","1") = "6"
    & skf21("6","4","4","5","7","6","6","1") = "6"
    & skf21("6","4","4","5","7","6","7","1") = "6"
    & skf21("6","4","4","5","7","7","1","1") = "6"
    & skf21("6","4","4","5","7","7","2","1") = "6"
    & skf21("6","4","4","5","7","7","3","1") = "6"
    & skf21("6","4","4","5","7","7","4","1") = "6"
    & skf21("6","4","4","5","7","7","5","1") = "6"
    & skf21("6","4","4","5","7","7","6","1") = "6"
    & skf21("6","4","4","5","7","7","7","1") = "6"
    & skf21("6","4","4","6","1","1","1","1") = "5"
    & skf21("6","4","4","6","1","1","2","1") = "5"
    & skf21("6","4","4","6","1","1","3","1") = "5"
    & skf21("6","4","4","6","1","1","4","1") = "5"
    & skf21("6","4","4","6","1","1","5","1") = "5"
    & skf21("6","4","4","6","1","1","6","1") = "5"
    & skf21("6","4","4","6","1","1","7","1") = "6"
    & skf21("6","4","4","6","1","2","1","1") = "5"
    & skf21("6","4","4","6","1","2","2","1") = "5"
    & skf21("6","4","4","6","1","2","3","1") = "5"
    & skf21("6","4","4","6","1","2","4","1") = "5"
    & skf21("6","4","4","6","1","2","5","1") = "5"
    & skf21("6","4","4","6","1","2","6","1") = "5"
    & skf21("6","4","4","6","1","2","7","1") = "6"
    & skf21("6","4","4","6","1","3","1","1") = "5"
    & skf21("6","4","4","6","1","3","2","1") = "5"
    & skf21("6","4","4","6","1","3","3","1") = "5"
    & skf21("6","4","4","6","1","3","4","1") = "5"
    & skf21("6","4","4","6","1","3","5","1") = "5"
    & skf21("6","4","4","6","1","3","6","1") = "5"
    & skf21("6","4","4","6","1","3","7","1") = "6"
    & skf21("6","4","4","6","1","4","1","1") = "5"
    & skf21("6","4","4","6","1","4","2","1") = "5"
    & skf21("6","4","4","6","1","4","3","1") = "5"
    & skf21("6","4","4","6","1","4","4","1") = "5"
    & skf21("6","4","4","6","1","4","5","1") = "5"
    & skf21("6","4","4","6","1","4","6","1") = "5"
    & skf21("6","4","4","6","1","4","7","1") = "6"
    & skf21("6","4","4","6","1","5","1","1") = "5"
    & skf21("6","4","4","6","1","5","2","1") = "5"
    & skf21("6","4","4","6","1","5","3","1") = "5"
    & skf21("6","4","4","6","1","5","4","1") = "5"
    & skf21("6","4","4","6","1","5","5","1") = "5"
    & skf21("6","4","4","6","1","5","6","1") = "5"
    & skf21("6","4","4","6","1","5","7","1") = "6"
    & skf21("6","4","4","6","1","6","1","1") = "5"
    & skf21("6","4","4","6","1","6","2","1") = "5"
    & skf21("6","4","4","6","1","6","3","1") = "5"
    & skf21("6","4","4","6","1","6","4","1") = "5"
    & skf21("6","4","4","6","1","6","5","1") = "5"
    & skf21("6","4","4","6","1","6","6","1") = "5"
    & skf21("6","4","4","6","1","6","7","1") = "6"
    & skf21("6","4","4","6","1","7","1","1") = "6"
    & skf21("6","4","4","6","1","7","2","1") = "6"
    & skf21("6","4","4","6","1","7","3","1") = "6"
    & skf21("6","4","4","6","1","7","4","1") = "6"
    & skf21("6","4","4","6","1","7","5","1") = "6"
    & skf21("6","4","4","6","1","7","6","1") = "6"
    & skf21("6","4","4","6","1","7","7","1") = "6"
    & skf21("6","4","4","6","2","1","1","1") = "5"
    & skf21("6","4","4","6","2","1","2","1") = "5"
    & skf21("6","4","4","6","2","1","3","1") = "5"
    & skf21("6","4","4","6","2","1","4","1") = "5"
    & skf21("6","4","4","6","2","1","5","1") = "5"
    & skf21("6","4","4","6","2","1","6","1") = "5"
    & skf21("6","4","4","6","2","1","7","1") = "6"
    & skf21("6","4","4","6","2","2","1","1") = "5"
    & skf21("6","4","4","6","2","2","2","1") = "5"
    & skf21("6","4","4","6","2","2","3","1") = "5"
    & skf21("6","4","4","6","2","2","4","1") = "5"
    & skf21("6","4","4","6","2","2","5","1") = "5"
    & skf21("6","4","4","6","2","2","6","1") = "5"
    & skf21("6","4","4","6","2","2","7","1") = "6"
    & skf21("6","4","4","6","2","3","1","1") = "5"
    & skf21("6","4","4","6","2","3","2","1") = "5"
    & skf21("6","4","4","6","2","3","3","1") = "5"
    & skf21("6","4","4","6","2","3","4","1") = "5"
    & skf21("6","4","4","6","2","3","5","1") = "5"
    & skf21("6","4","4","6","2","3","6","1") = "5"
    & skf21("6","4","4","6","2","3","7","1") = "6"
    & skf21("6","4","4","6","2","4","1","1") = "5"
    & skf21("6","4","4","6","2","4","2","1") = "5"
    & skf21("6","4","4","6","2","4","3","1") = "5"
    & skf21("6","4","4","6","2","4","4","1") = "5"
    & skf21("6","4","4","6","2","4","5","1") = "5"
    & skf21("6","4","4","6","2","4","6","1") = "5"
    & skf21("6","4","4","6","2","4","7","1") = "6"
    & skf21("6","4","4","6","2","5","1","1") = "5"
    & skf21("6","4","4","6","2","5","2","1") = "5"
    & skf21("6","4","4","6","2","5","3","1") = "5"
    & skf21("6","4","4","6","2","5","4","1") = "5"
    & skf21("6","4","4","6","2","5","5","1") = "5"
    & skf21("6","4","4","6","2","5","6","1") = "5"
    & skf21("6","4","4","6","2","5","7","1") = "6"
    & skf21("6","4","4","6","2","6","1","1") = "5"
    & skf21("6","4","4","6","2","6","2","1") = "5"
    & skf21("6","4","4","6","2","6","3","1") = "5"
    & skf21("6","4","4","6","2","6","4","1") = "5"
    & skf21("6","4","4","6","2","6","5","1") = "5"
    & skf21("6","4","4","6","2","6","6","1") = "5"
    & skf21("6","4","4","6","2","6","7","1") = "6"
    & skf21("6","4","4","6","2","7","1","1") = "6"
    & skf21("6","4","4","6","2","7","2","1") = "6"
    & skf21("6","4","4","6","2","7","3","1") = "6"
    & skf21("6","4","4","6","2","7","4","1") = "6"
    & skf21("6","4","4","6","2","7","5","1") = "6"
    & skf21("6","4","4","6","2","7","6","1") = "6"
    & skf21("6","4","4","6","2","7","7","1") = "6"
    & skf21("6","4","4","6","3","1","1","1") = "5"
    & skf21("6","4","4","6","3","1","2","1") = "5"
    & skf21("6","4","4","6","3","1","3","1") = "5"
    & skf21("6","4","4","6","3","1","4","1") = "5"
    & skf21("6","4","4","6","3","1","5","1") = "5"
    & skf21("6","4","4","6","3","1","6","1") = "5"
    & skf21("6","4","4","6","3","1","7","1") = "6"
    & skf21("6","4","4","6","3","2","1","1") = "5"
    & skf21("6","4","4","6","3","2","2","1") = "5"
    & skf21("6","4","4","6","3","2","3","1") = "5"
    & skf21("6","4","4","6","3","2","4","1") = "5"
    & skf21("6","4","4","6","3","2","5","1") = "5"
    & skf21("6","4","4","6","3","2","6","1") = "5"
    & skf21("6","4","4","6","3","2","7","1") = "6"
    & skf21("6","4","4","6","3","3","1","1") = "5"
    & skf21("6","4","4","6","3","3","2","1") = "5"
    & skf21("6","4","4","6","3","3","3","1") = "5"
    & skf21("6","4","4","6","3","3","4","1") = "5"
    & skf21("6","4","4","6","3","3","5","1") = "5"
    & skf21("6","4","4","6","3","3","6","1") = "5"
    & skf21("6","4","4","6","3","3","7","1") = "6"
    & skf21("6","4","4","6","3","4","1","1") = "5"
    & skf21("6","4","4","6","3","4","2","1") = "5"
    & skf21("6","4","4","6","3","4","3","1") = "5"
    & skf21("6","4","4","6","3","4","4","1") = "5"
    & skf21("6","4","4","6","3","4","5","1") = "5"
    & skf21("6","4","4","6","3","4","6","1") = "5"
    & skf21("6","4","4","6","3","4","7","1") = "6"
    & skf21("6","4","4","6","3","5","1","1") = "5"
    & skf21("6","4","4","6","3","5","2","1") = "5"
    & skf21("6","4","4","6","3","5","3","1") = "5"
    & skf21("6","4","4","6","3","5","4","1") = "5"
    & skf21("6","4","4","6","3","5","5","1") = "5"
    & skf21("6","4","4","6","3","5","6","1") = "5"
    & skf21("6","4","4","6","3","5","7","1") = "6"
    & skf21("6","4","4","6","3","6","1","1") = "5"
    & skf21("6","4","4","6","3","6","2","1") = "5"
    & skf21("6","4","4","6","3","6","3","1") = "5"
    & skf21("6","4","4","6","3","6","4","1") = "5"
    & skf21("6","4","4","6","3","6","5","1") = "5"
    & skf21("6","4","4","6","3","6","6","1") = "5"
    & skf21("6","4","4","6","3","6","7","1") = "6"
    & skf21("6","4","4","6","3","7","1","1") = "6"
    & skf21("6","4","4","6","3","7","2","1") = "6"
    & skf21("6","4","4","6","3","7","3","1") = "6"
    & skf21("6","4","4","6","3","7","4","1") = "6"
    & skf21("6","4","4","6","3","7","5","1") = "6"
    & skf21("6","4","4","6","3","7","6","1") = "6"
    & skf21("6","4","4","6","3","7","7","1") = "6"
    & skf21("6","4","4","6","4","1","1","1") = "5"
    & skf21("6","4","4","6","4","1","2","1") = "5"
    & skf21("6","4","4","6","4","1","3","1") = "5"
    & skf21("6","4","4","6","4","1","4","1") = "5"
    & skf21("6","4","4","6","4","1","5","1") = "5"
    & skf21("6","4","4","6","4","1","6","1") = "5"
    & skf21("6","4","4","6","4","1","7","1") = "6"
    & skf21("6","4","4","6","4","2","1","1") = "5"
    & skf21("6","4","4","6","4","2","2","1") = "5"
    & skf21("6","4","4","6","4","2","3","1") = "5"
    & skf21("6","4","4","6","4","2","4","1") = "5"
    & skf21("6","4","4","6","4","2","5","1") = "5"
    & skf21("6","4","4","6","4","2","6","1") = "5"
    & skf21("6","4","4","6","4","2","7","1") = "6"
    & skf21("6","4","4","6","4","3","1","1") = "5"
    & skf21("6","4","4","6","4","3","2","1") = "5"
    & skf21("6","4","4","6","4","3","3","1") = "5"
    & skf21("6","4","4","6","4","3","4","1") = "5"
    & skf21("6","4","4","6","4","3","5","1") = "5"
    & skf21("6","4","4","6","4","3","6","1") = "5"
    & skf21("6","4","4","6","4","3","7","1") = "6"
    & skf21("6","4","4","6","4","4","1","1") = "5"
    & skf21("6","4","4","6","4","4","2","1") = "5"
    & skf21("6","4","4","6","4","4","3","1") = "5"
    & skf21("6","4","4","6","4","4","4","1") = "5"
    & skf21("6","4","4","6","4","4","5","1") = "5"
    & skf21("6","4","4","6","4","4","6","1") = "5"
    & skf21("6","4","4","6","4","4","7","1") = "6"
    & skf21("6","4","4","6","4","5","1","1") = "5"
    & skf21("6","4","4","6","4","5","2","1") = "5"
    & skf21("6","4","4","6","4","5","3","1") = "5"
    & skf21("6","4","4","6","4","5","4","1") = "5"
    & skf21("6","4","4","6","4","5","5","1") = "5"
    & skf21("6","4","4","6","4","5","6","1") = "5"
    & skf21("6","4","4","6","4","5","7","1") = "6"
    & skf21("6","4","4","6","4","6","1","1") = "5"
    & skf21("6","4","4","6","4","6","2","1") = "5"
    & skf21("6","4","4","6","4","6","3","1") = "5"
    & skf21("6","4","4","6","4","6","4","1") = "5"
    & skf21("6","4","4","6","4","6","5","1") = "5"
    & skf21("6","4","4","6","4","6","6","1") = "5"
    & skf21("6","4","4","6","4","6","7","1") = "6"
    & skf21("6","4","4","6","4","7","1","1") = "6"
    & skf21("6","4","4","6","4","7","2","1") = "6"
    & skf21("6","4","4","6","4","7","3","1") = "6"
    & skf21("6","4","4","6","4","7","4","1") = "6"
    & skf21("6","4","4","6","4","7","5","1") = "6"
    & skf21("6","4","4","6","4","7","6","1") = "6"
    & skf21("6","4","4","6","4","7","7","1") = "6"
    & skf21("6","4","4","6","5","1","1","1") = "5"
    & skf21("6","4","4","6","5","1","2","1") = "5"
    & skf21("6","4","4","6","5","1","3","1") = "5"
    & skf21("6","4","4","6","5","1","4","1") = "5"
    & skf21("6","4","4","6","5","1","5","1") = "5"
    & skf21("6","4","4","6","5","1","6","1") = "5"
    & skf21("6","4","4","6","5","1","7","1") = "6"
    & skf21("6","4","4","6","5","2","1","1") = "5"
    & skf21("6","4","4","6","5","2","2","1") = "5"
    & skf21("6","4","4","6","5","2","3","1") = "5"
    & skf21("6","4","4","6","5","2","4","1") = "5"
    & skf21("6","4","4","6","5","2","5","1") = "5"
    & skf21("6","4","4","6","5","2","6","1") = "5"
    & skf21("6","4","4","6","5","2","7","1") = "6"
    & skf21("6","4","4","6","5","3","1","1") = "5"
    & skf21("6","4","4","6","5","3","2","1") = "5"
    & skf21("6","4","4","6","5","3","3","1") = "5"
    & skf21("6","4","4","6","5","3","4","1") = "5"
    & skf21("6","4","4","6","5","3","5","1") = "5"
    & skf21("6","4","4","6","5","3","6","1") = "5"
    & skf21("6","4","4","6","5","3","7","1") = "6"
    & skf21("6","4","4","6","5","4","1","1") = "5"
    & skf21("6","4","4","6","5","4","2","1") = "5"
    & skf21("6","4","4","6","5","4","3","1") = "5"
    & skf21("6","4","4","6","5","4","4","1") = "5"
    & skf21("6","4","4","6","5","4","5","1") = "5"
    & skf21("6","4","4","6","5","4","6","1") = "5"
    & skf21("6","4","4","6","5","4","7","1") = "6"
    & skf21("6","4","4","6","5","5","1","1") = "5"
    & skf21("6","4","4","6","5","5","2","1") = "5"
    & skf21("6","4","4","6","5","5","3","1") = "5"
    & skf21("6","4","4","6","5","5","4","1") = "5"
    & skf21("6","4","4","6","5","5","5","1") = "5"
    & skf21("6","4","4","6","5","5","6","1") = "5"
    & skf21("6","4","4","6","5","5","7","1") = "6"
    & skf21("6","4","4","6","5","6","1","1") = "5"
    & skf21("6","4","4","6","5","6","2","1") = "5"
    & skf21("6","4","4","6","5","6","3","1") = "5"
    & skf21("6","4","4","6","5","6","4","1") = "5"
    & skf21("6","4","4","6","5","6","5","1") = "5"
    & skf21("6","4","4","6","5","6","6","1") = "5"
    & skf21("6","4","4","6","5","6","7","1") = "6"
    & skf21("6","4","4","6","5","7","1","1") = "6"
    & skf21("6","4","4","6","5","7","2","1") = "6"
    & skf21("6","4","4","6","5","7","3","1") = "6"
    & skf21("6","4","4","6","5","7","4","1") = "6"
    & skf21("6","4","4","6","5","7","5","1") = "6"
    & skf21("6","4","4","6","5","7","6","1") = "6"
    & skf21("6","4","4","6","5","7","7","1") = "6"
    & skf21("6","4","4","6","6","1","1","1") = "5"
    & skf21("6","4","4","6","6","1","2","1") = "5"
    & skf21("6","4","4","6","6","1","3","1") = "5"
    & skf21("6","4","4","6","6","1","4","1") = "5"
    & skf21("6","4","4","6","6","1","5","1") = "5"
    & skf21("6","4","4","6","6","1","6","1") = "5"
    & skf21("6","4","4","6","6","1","7","1") = "6"
    & skf21("6","4","4","6","6","2","1","1") = "5"
    & skf21("6","4","4","6","6","2","2","1") = "5"
    & skf21("6","4","4","6","6","2","3","1") = "5"
    & skf21("6","4","4","6","6","2","4","1") = "5"
    & skf21("6","4","4","6","6","2","5","1") = "5"
    & skf21("6","4","4","6","6","2","6","1") = "5"
    & skf21("6","4","4","6","6","2","7","1") = "6"
    & skf21("6","4","4","6","6","3","1","1") = "5"
    & skf21("6","4","4","6","6","3","2","1") = "5"
    & skf21("6","4","4","6","6","3","3","1") = "5"
    & skf21("6","4","4","6","6","3","4","1") = "5"
    & skf21("6","4","4","6","6","3","5","1") = "5"
    & skf21("6","4","4","6","6","3","6","1") = "5"
    & skf21("6","4","4","6","6","3","7","1") = "6"
    & skf21("6","4","4","6","6","4","1","1") = "5"
    & skf21("6","4","4","6","6","4","2","1") = "5"
    & skf21("6","4","4","6","6","4","3","1") = "5"
    & skf21("6","4","4","6","6","4","4","1") = "5"
    & skf21("6","4","4","6","6","4","5","1") = "5"
    & skf21("6","4","4","6","6","4","6","1") = "5"
    & skf21("6","4","4","6","6","4","7","1") = "6"
    & skf21("6","4","4","6","6","5","1","1") = "5"
    & skf21("6","4","4","6","6","5","2","1") = "5"
    & skf21("6","4","4","6","6","5","3","1") = "5"
    & skf21("6","4","4","6","6","5","4","1") = "5"
    & skf21("6","4","4","6","6","5","5","1") = "5"
    & skf21("6","4","4","6","6","5","6","1") = "5"
    & skf21("6","4","4","6","6","5","7","1") = "6"
    & skf21("6","4","4","6","6","6","1","1") = "5"
    & skf21("6","4","4","6","6","6","2","1") = "5"
    & skf21("6","4","4","6","6","6","3","1") = "5"
    & skf21("6","4","4","6","6","6","4","1") = "5"
    & skf21("6","4","4","6","6","6","5","1") = "5"
    & skf21("6","4","4","6","6","6","6","1") = "5"
    & skf21("6","4","4","6","6","6","7","1") = "6"
    & skf21("6","4","4","6","6","7","1","1") = "6"
    & skf21("6","4","4","6","6","7","2","1") = "6"
    & skf21("6","4","4","6","6","7","3","1") = "6"
    & skf21("6","4","4","6","6","7","4","1") = "6"
    & skf21("6","4","4","6","6","7","5","1") = "6"
    & skf21("6","4","4","6","6","7","6","1") = "6"
    & skf21("6","4","4","6","6","7","7","1") = "6"
    & skf21("6","4","4","6","7","1","1","1") = "6"
    & skf21("6","4","4","6","7","1","2","1") = "6"
    & skf21("6","4","4","6","7","1","3","1") = "6"
    & skf21("6","4","4","6","7","1","4","1") = "6"
    & skf21("6","4","4","6","7","1","5","1") = "6"
    & skf21("6","4","4","6","7","1","6","1") = "6"
    & skf21("6","4","4","6","7","1","7","1") = "6"
    & skf21("6","4","4","6","7","2","1","1") = "6"
    & skf21("6","4","4","6","7","2","2","1") = "6"
    & skf21("6","4","4","6","7","2","3","1") = "6"
    & skf21("6","4","4","6","7","2","4","1") = "6"
    & skf21("6","4","4","6","7","2","5","1") = "6"
    & skf21("6","4","4","6","7","2","6","1") = "6"
    & skf21("6","4","4","6","7","2","7","1") = "6"
    & skf21("6","4","4","6","7","3","1","1") = "6"
    & skf21("6","4","4","6","7","3","2","1") = "6"
    & skf21("6","4","4","6","7","3","3","1") = "6"
    & skf21("6","4","4","6","7","3","4","1") = "6"
    & skf21("6","4","4","6","7","3","5","1") = "6"
    & skf21("6","4","4","6","7","3","6","1") = "6"
    & skf21("6","4","4","6","7","3","7","1") = "6"
    & skf21("6","4","4","6","7","4","1","1") = "6"
    & skf21("6","4","4","6","7","4","2","1") = "6"
    & skf21("6","4","4","6","7","4","3","1") = "6"
    & skf21("6","4","4","6","7","4","4","1") = "6"
    & skf21("6","4","4","6","7","4","5","1") = "6"
    & skf21("6","4","4","6","7","4","6","1") = "6"
    & skf21("6","4","4","6","7","4","7","1") = "6"
    & skf21("6","4","4","6","7","5","1","1") = "6"
    & skf21("6","4","4","6","7","5","2","1") = "6"
    & skf21("6","4","4","6","7","5","3","1") = "6"
    & skf21("6","4","4","6","7","5","4","1") = "6"
    & skf21("6","4","4","6","7","5","5","1") = "6"
    & skf21("6","4","4","6","7","5","6","1") = "6"
    & skf21("6","4","4","6","7","5","7","1") = "6"
    & skf21("6","4","4","6","7","6","1","1") = "6"
    & skf21("6","4","4","6","7","6","2","1") = "6"
    & skf21("6","4","4","6","7","6","3","1") = "6"
    & skf21("6","4","4","6","7","6","4","1") = "6"
    & skf21("6","4","4","6","7","6","5","1") = "6"
    & skf21("6","4","4","6","7","6","6","1") = "6"
    & skf21("6","4","4","6","7","6","7","1") = "6"
    & skf21("6","4","4","6","7","7","1","1") = "6"
    & skf21("6","4","4","6","7","7","2","1") = "6"
    & skf21("6","4","4","6","7","7","3","1") = "6"
    & skf21("6","4","4","6","7","7","4","1") = "6"
    & skf21("6","4","4","6","7","7","5","1") = "6"
    & skf21("6","4","4","6","7","7","6","1") = "6"
    & skf21("6","4","4","6","7","7","7","1") = "6"
    & skf21("6","4","4","7","1","1","1","1") = "6"
    & skf21("6","4","4","7","1","1","2","1") = "6"
    & skf21("6","4","4","7","1","1","3","1") = "6"
    & skf21("6","4","4","7","1","1","4","1") = "6"
    & skf21("6","4","4","7","1","1","5","1") = "6"
    & skf21("6","4","4","7","1","1","6","1") = "6"
    & skf21("6","4","4","7","1","1","7","1") = "6"
    & skf21("6","4","4","7","1","2","1","1") = "6"
    & skf21("6","4","4","7","1","2","2","1") = "6"
    & skf21("6","4","4","7","1","2","3","1") = "6"
    & skf21("6","4","4","7","1","2","4","1") = "6"
    & skf21("6","4","4","7","1","2","5","1") = "6"
    & skf21("6","4","4","7","1","2","6","1") = "6"
    & skf21("6","4","4","7","1","2","7","1") = "6"
    & skf21("6","4","4","7","1","3","1","1") = "6"
    & skf21("6","4","4","7","1","3","2","1") = "6"
    & skf21("6","4","4","7","1","3","3","1") = "6"
    & skf21("6","4","4","7","1","3","4","1") = "6"
    & skf21("6","4","4","7","1","3","5","1") = "6"
    & skf21("6","4","4","7","1","3","6","1") = "6"
    & skf21("6","4","4","7","1","3","7","1") = "6"
    & skf21("6","4","4","7","1","4","1","1") = "6"
    & skf21("6","4","4","7","1","4","2","1") = "6"
    & skf21("6","4","4","7","1","4","3","1") = "6"
    & skf21("6","4","4","7","1","4","4","1") = "6"
    & skf21("6","4","4","7","1","4","5","1") = "6"
    & skf21("6","4","4","7","1","4","6","1") = "6"
    & skf21("6","4","4","7","1","4","7","1") = "6"
    & skf21("6","4","4","7","1","5","1","1") = "6"
    & skf21("6","4","4","7","1","5","2","1") = "6"
    & skf21("6","4","4","7","1","5","3","1") = "6"
    & skf21("6","4","4","7","1","5","4","1") = "6"
    & skf21("6","4","4","7","1","5","5","1") = "6"
    & skf21("6","4","4","7","1","5","6","1") = "6"
    & skf21("6","4","4","7","1","5","7","1") = "6"
    & skf21("6","4","4","7","1","6","1","1") = "6"
    & skf21("6","4","4","7","1","6","2","1") = "6"
    & skf21("6","4","4","7","1","6","3","1") = "6"
    & skf21("6","4","4","7","1","6","4","1") = "6"
    & skf21("6","4","4","7","1","6","5","1") = "6"
    & skf21("6","4","4","7","1","6","6","1") = "6"
    & skf21("6","4","4","7","1","6","7","1") = "6"
    & skf21("6","4","4","7","1","7","1","1") = "6"
    & skf21("6","4","4","7","1","7","2","1") = "6"
    & skf21("6","4","4","7","1","7","3","1") = "6"
    & skf21("6","4","4","7","1","7","4","1") = "6"
    & skf21("6","4","4","7","1","7","5","1") = "6"
    & skf21("6","4","4","7","1","7","6","1") = "6"
    & skf21("6","4","4","7","1","7","7","1") = "6"
    & skf21("6","4","4","7","2","1","1","1") = "6"
    & skf21("6","4","4","7","2","1","2","1") = "6"
    & skf21("6","4","4","7","2","1","3","1") = "6"
    & skf21("6","4","4","7","2","1","4","1") = "6"
    & skf21("6","4","4","7","2","1","5","1") = "6"
    & skf21("6","4","4","7","2","1","6","1") = "6"
    & skf21("6","4","4","7","2","1","7","1") = "6"
    & skf21("6","4","4","7","2","2","1","1") = "6"
    & skf21("6","4","4","7","2","2","2","1") = "6"
    & skf21("6","4","4","7","2","2","3","1") = "6"
    & skf21("6","4","4","7","2","2","4","1") = "6"
    & skf21("6","4","4","7","2","2","5","1") = "6"
    & skf21("6","4","4","7","2","2","6","1") = "6"
    & skf21("6","4","4","7","2","2","7","1") = "6"
    & skf21("6","4","4","7","2","3","1","1") = "6"
    & skf21("6","4","4","7","2","3","2","1") = "6"
    & skf21("6","4","4","7","2","3","3","1") = "6"
    & skf21("6","4","4","7","2","3","4","1") = "6"
    & skf21("6","4","4","7","2","3","5","1") = "6"
    & skf21("6","4","4","7","2","3","6","1") = "6"
    & skf21("6","4","4","7","2","3","7","1") = "6"
    & skf21("6","4","4","7","2","4","1","1") = "6"
    & skf21("6","4","4","7","2","4","2","1") = "6"
    & skf21("6","4","4","7","2","4","3","1") = "6"
    & skf21("6","4","4","7","2","4","4","1") = "6"
    & skf21("6","4","4","7","2","4","5","1") = "6"
    & skf21("6","4","4","7","2","4","6","1") = "6"
    & skf21("6","4","4","7","2","4","7","1") = "6"
    & skf21("6","4","4","7","2","5","1","1") = "6"
    & skf21("6","4","4","7","2","5","2","1") = "6"
    & skf21("6","4","4","7","2","5","3","1") = "6"
    & skf21("6","4","4","7","2","5","4","1") = "6"
    & skf21("6","4","4","7","2","5","5","1") = "6"
    & skf21("6","4","4","7","2","5","6","1") = "6"
    & skf21("6","4","4","7","2","5","7","1") = "6"
    & skf21("6","4","4","7","2","6","1","1") = "6"
    & skf21("6","4","4","7","2","6","2","1") = "6"
    & skf21("6","4","4","7","2","6","3","1") = "6"
    & skf21("6","4","4","7","2","6","4","1") = "6"
    & skf21("6","4","4","7","2","6","5","1") = "6"
    & skf21("6","4","4","7","2","6","6","1") = "6"
    & skf21("6","4","4","7","2","6","7","1") = "6"
    & skf21("6","4","4","7","2","7","1","1") = "6"
    & skf21("6","4","4","7","2","7","2","1") = "6"
    & skf21("6","4","4","7","2","7","3","1") = "6"
    & skf21("6","4","4","7","2","7","4","1") = "6"
    & skf21("6","4","4","7","2","7","5","1") = "6"
    & skf21("6","4","4","7","2","7","6","1") = "6"
    & skf21("6","4","4","7","2","7","7","1") = "6"
    & skf21("6","4","4","7","3","1","1","1") = "6"
    & skf21("6","4","4","7","3","1","2","1") = "6"
    & skf21("6","4","4","7","3","1","3","1") = "6"
    & skf21("6","4","4","7","3","1","4","1") = "6"
    & skf21("6","4","4","7","3","1","5","1") = "6"
    & skf21("6","4","4","7","3","1","6","1") = "6"
    & skf21("6","4","4","7","3","1","7","1") = "6"
    & skf21("6","4","4","7","3","2","1","1") = "6"
    & skf21("6","4","4","7","3","2","2","1") = "6"
    & skf21("6","4","4","7","3","2","3","1") = "6"
    & skf21("6","4","4","7","3","2","4","1") = "6"
    & skf21("6","4","4","7","3","2","5","1") = "6"
    & skf21("6","4","4","7","3","2","6","1") = "6"
    & skf21("6","4","4","7","3","2","7","1") = "6"
    & skf21("6","4","4","7","3","3","1","1") = "6"
    & skf21("6","4","4","7","3","3","2","1") = "6"
    & skf21("6","4","4","7","3","3","3","1") = "6"
    & skf21("6","4","4","7","3","3","4","1") = "6"
    & skf21("6","4","4","7","3","3","5","1") = "6"
    & skf21("6","4","4","7","3","3","6","1") = "6"
    & skf21("6","4","4","7","3","3","7","1") = "6"
    & skf21("6","4","4","7","3","4","1","1") = "6"
    & skf21("6","4","4","7","3","4","2","1") = "6"
    & skf21("6","4","4","7","3","4","3","1") = "6"
    & skf21("6","4","4","7","3","4","4","1") = "6"
    & skf21("6","4","4","7","3","4","5","1") = "6"
    & skf21("6","4","4","7","3","4","6","1") = "6"
    & skf21("6","4","4","7","3","4","7","1") = "6"
    & skf21("6","4","4","7","3","5","1","1") = "6"
    & skf21("6","4","4","7","3","5","2","1") = "6"
    & skf21("6","4","4","7","3","5","3","1") = "6"
    & skf21("6","4","4","7","3","5","4","1") = "6"
    & skf21("6","4","4","7","3","5","5","1") = "6"
    & skf21("6","4","4","7","3","5","6","1") = "6"
    & skf21("6","4","4","7","3","5","7","1") = "6"
    & skf21("6","4","4","7","3","6","1","1") = "6"
    & skf21("6","4","4","7","3","6","2","1") = "6"
    & skf21("6","4","4","7","3","6","3","1") = "6"
    & skf21("6","4","4","7","3","6","4","1") = "6"
    & skf21("6","4","4","7","3","6","5","1") = "6"
    & skf21("6","4","4","7","3","6","6","1") = "6"
    & skf21("6","4","4","7","3","6","7","1") = "6"
    & skf21("6","4","4","7","3","7","1","1") = "6"
    & skf21("6","4","4","7","3","7","2","1") = "6"
    & skf21("6","4","4","7","3","7","3","1") = "6"
    & skf21("6","4","4","7","3","7","4","1") = "6"
    & skf21("6","4","4","7","3","7","5","1") = "6"
    & skf21("6","4","4","7","3","7","6","1") = "6"
    & skf21("6","4","4","7","3","7","7","1") = "6"
    & skf21("6","4","4","7","4","1","1","1") = "6"
    & skf21("6","4","4","7","4","1","2","1") = "6"
    & skf21("6","4","4","7","4","1","3","1") = "6"
    & skf21("6","4","4","7","4","1","4","1") = "6"
    & skf21("6","4","4","7","4","1","5","1") = "6"
    & skf21("6","4","4","7","4","1","6","1") = "6"
    & skf21("6","4","4","7","4","1","7","1") = "6"
    & skf21("6","4","4","7","4","2","1","1") = "6"
    & skf21("6","4","4","7","4","2","2","1") = "6"
    & skf21("6","4","4","7","4","2","3","1") = "6"
    & skf21("6","4","4","7","4","2","4","1") = "6"
    & skf21("6","4","4","7","4","2","5","1") = "6"
    & skf21("6","4","4","7","4","2","6","1") = "6"
    & skf21("6","4","4","7","4","2","7","1") = "6"
    & skf21("6","4","4","7","4","3","1","1") = "6"
    & skf21("6","4","4","7","4","3","2","1") = "6"
    & skf21("6","4","4","7","4","3","3","1") = "6"
    & skf21("6","4","4","7","4","3","4","1") = "6"
    & skf21("6","4","4","7","4","3","5","1") = "6"
    & skf21("6","4","4","7","4","3","6","1") = "6"
    & skf21("6","4","4","7","4","3","7","1") = "6"
    & skf21("6","4","4","7","4","4","1","1") = "6"
    & skf21("6","4","4","7","4","4","2","1") = "6"
    & skf21("6","4","4","7","4","4","3","1") = "6"
    & skf21("6","4","4","7","4","4","4","1") = "6"
    & skf21("6","4","4","7","4","4","5","1") = "6"
    & skf21("6","4","4","7","4","4","6","1") = "6"
    & skf21("6","4","4","7","4","4","7","1") = "6"
    & skf21("6","4","4","7","4","5","1","1") = "6"
    & skf21("6","4","4","7","4","5","2","1") = "6"
    & skf21("6","4","4","7","4","5","3","1") = "6"
    & skf21("6","4","4","7","4","5","4","1") = "6"
    & skf21("6","4","4","7","4","5","5","1") = "6"
    & skf21("6","4","4","7","4","5","6","1") = "6"
    & skf21("6","4","4","7","4","5","7","1") = "6"
    & skf21("6","4","4","7","4","6","1","1") = "6"
    & skf21("6","4","4","7","4","6","2","1") = "6"
    & skf21("6","4","4","7","4","6","3","1") = "6"
    & skf21("6","4","4","7","4","6","4","1") = "6"
    & skf21("6","4","4","7","4","6","5","1") = "6"
    & skf21("6","4","4","7","4","6","6","1") = "6"
    & skf21("6","4","4","7","4","6","7","1") = "6"
    & skf21("6","4","4","7","4","7","1","1") = "6"
    & skf21("6","4","4","7","4","7","2","1") = "6"
    & skf21("6","4","4","7","4","7","3","1") = "6"
    & skf21("6","4","4","7","4","7","4","1") = "6"
    & skf21("6","4","4","7","4","7","5","1") = "6"
    & skf21("6","4","4","7","4","7","6","1") = "6"
    & skf21("6","4","4","7","4","7","7","1") = "6"
    & skf21("6","4","4","7","5","1","1","1") = "6"
    & skf21("6","4","4","7","5","1","2","1") = "6"
    & skf21("6","4","4","7","5","1","3","1") = "6"
    & skf21("6","4","4","7","5","1","4","1") = "6"
    & skf21("6","4","4","7","5","1","5","1") = "6"
    & skf21("6","4","4","7","5","1","6","1") = "6"
    & skf21("6","4","4","7","5","1","7","1") = "6"
    & skf21("6","4","4","7","5","2","1","1") = "6"
    & skf21("6","4","4","7","5","2","2","1") = "6"
    & skf21("6","4","4","7","5","2","3","1") = "6"
    & skf21("6","4","4","7","5","2","4","1") = "6"
    & skf21("6","4","4","7","5","2","5","1") = "6"
    & skf21("6","4","4","7","5","2","6","1") = "6"
    & skf21("6","4","4","7","5","2","7","1") = "6"
    & skf21("6","4","4","7","5","3","1","1") = "6"
    & skf21("6","4","4","7","5","3","2","1") = "6"
    & skf21("6","4","4","7","5","3","3","1") = "6"
    & skf21("6","4","4","7","5","3","4","1") = "6"
    & skf21("6","4","4","7","5","3","5","1") = "6"
    & skf21("6","4","4","7","5","3","6","1") = "6"
    & skf21("6","4","4","7","5","3","7","1") = "6"
    & skf21("6","4","4","7","5","4","1","1") = "6"
    & skf21("6","4","4","7","5","4","2","1") = "6"
    & skf21("6","4","4","7","5","4","3","1") = "6"
    & skf21("6","4","4","7","5","4","4","1") = "6"
    & skf21("6","4","4","7","5","4","5","1") = "6"
    & skf21("6","4","4","7","5","4","6","1") = "6"
    & skf21("6","4","4","7","5","4","7","1") = "6"
    & skf21("6","4","4","7","5","5","1","1") = "6"
    & skf21("6","4","4","7","5","5","2","1") = "6"
    & skf21("6","4","4","7","5","5","3","1") = "6"
    & skf21("6","4","4","7","5","5","4","1") = "6"
    & skf21("6","4","4","7","5","5","5","1") = "6"
    & skf21("6","4","4","7","5","5","6","1") = "6"
    & skf21("6","4","4","7","5","5","7","1") = "6"
    & skf21("6","4","4","7","5","6","1","1") = "6"
    & skf21("6","4","4","7","5","6","2","1") = "6"
    & skf21("6","4","4","7","5","6","3","1") = "6"
    & skf21("6","4","4","7","5","6","4","1") = "6"
    & skf21("6","4","4","7","5","6","5","1") = "6"
    & skf21("6","4","4","7","5","6","6","1") = "6"
    & skf21("6","4","4","7","5","6","7","1") = "6"
    & skf21("6","4","4","7","5","7","1","1") = "6"
    & skf21("6","4","4","7","5","7","2","1") = "6"
    & skf21("6","4","4","7","5","7","3","1") = "6"
    & skf21("6","4","4","7","5","7","4","1") = "6"
    & skf21("6","4","4","7","5","7","5","1") = "6"
    & skf21("6","4","4","7","5","7","6","1") = "6"
    & skf21("6","4","4","7","5","7","7","1") = "6"
    & skf21("6","4","4","7","6","1","1","1") = "6"
    & skf21("6","4","4","7","6","1","2","1") = "6"
    & skf21("6","4","4","7","6","1","3","1") = "6"
    & skf21("6","4","4","7","6","1","4","1") = "6"
    & skf21("6","4","4","7","6","1","5","1") = "6"
    & skf21("6","4","4","7","6","1","6","1") = "6"
    & skf21("6","4","4","7","6","1","7","1") = "6"
    & skf21("6","4","4","7","6","2","1","1") = "6"
    & skf21("6","4","4","7","6","2","2","1") = "6"
    & skf21("6","4","4","7","6","2","3","1") = "6"
    & skf21("6","4","4","7","6","2","4","1") = "6"
    & skf21("6","4","4","7","6","2","5","1") = "6"
    & skf21("6","4","4","7","6","2","6","1") = "6"
    & skf21("6","4","4","7","6","2","7","1") = "6"
    & skf21("6","4","4","7","6","3","1","1") = "6"
    & skf21("6","4","4","7","6","3","2","1") = "6"
    & skf21("6","4","4","7","6","3","3","1") = "6"
    & skf21("6","4","4","7","6","3","4","1") = "6"
    & skf21("6","4","4","7","6","3","5","1") = "6"
    & skf21("6","4","4","7","6","3","6","1") = "6"
    & skf21("6","4","4","7","6","3","7","1") = "6"
    & skf21("6","4","4","7","6","4","1","1") = "6"
    & skf21("6","4","4","7","6","4","2","1") = "6"
    & skf21("6","4","4","7","6","4","3","1") = "6"
    & skf21("6","4","4","7","6","4","4","1") = "6"
    & skf21("6","4","4","7","6","4","5","1") = "6"
    & skf21("6","4","4","7","6","4","6","1") = "6"
    & skf21("6","4","4","7","6","4","7","1") = "6"
    & skf21("6","4","4","7","6","5","1","1") = "6"
    & skf21("6","4","4","7","6","5","2","1") = "6"
    & skf21("6","4","4","7","6","5","3","1") = "6"
    & skf21("6","4","4","7","6","5","4","1") = "6"
    & skf21("6","4","4","7","6","5","5","1") = "6"
    & skf21("6","4","4","7","6","5","6","1") = "6"
    & skf21("6","4","4","7","6","5","7","1") = "6"
    & skf21("6","4","4","7","6","6","1","1") = "6"
    & skf21("6","4","4","7","6","6","2","1") = "6"
    & skf21("6","4","4","7","6","6","3","1") = "6"
    & skf21("6","4","4","7","6","6","4","1") = "6"
    & skf21("6","4","4","7","6","6","5","1") = "6"
    & skf21("6","4","4","7","6","6","6","1") = "6"
    & skf21("6","4","4","7","6","6","7","1") = "6"
    & skf21("6","4","4","7","6","7","1","1") = "6"
    & skf21("6","4","4","7","6","7","2","1") = "6"
    & skf21("6","4","4","7","6","7","3","1") = "6"
    & skf21("6","4","4","7","6","7","4","1") = "6"
    & skf21("6","4","4","7","6","7","5","1") = "6"
    & skf21("6","4","4","7","6","7","6","1") = "6"
    & skf21("6","4","4","7","6","7","7","1") = "6"
    & skf21("6","4","4","7","7","1","1","1") = "6"
    & skf21("6","4","4","7","7","1","2","1") = "6"
    & skf21("6","4","4","7","7","1","3","1") = "6"
    & skf21("6","4","4","7","7","1","4","1") = "6"
    & skf21("6","4","4","7","7","1","5","1") = "6"
    & skf21("6","4","4","7","7","1","6","1") = "6"
    & skf21("6","4","4","7","7","1","7","1") = "6"
    & skf21("6","4","4","7","7","2","1","1") = "6"
    & skf21("6","4","4","7","7","2","2","1") = "6"
    & skf21("6","4","4","7","7","2","3","1") = "6"
    & skf21("6","4","4","7","7","2","4","1") = "6"
    & skf21("6","4","4","7","7","2","5","1") = "6"
    & skf21("6","4","4","7","7","2","6","1") = "6"
    & skf21("6","4","4","7","7","2","7","1") = "6"
    & skf21("6","4","4","7","7","3","1","1") = "6"
    & skf21("6","4","4","7","7","3","2","1") = "6"
    & skf21("6","4","4","7","7","3","3","1") = "6"
    & skf21("6","4","4","7","7","3","4","1") = "6"
    & skf21("6","4","4","7","7","3","5","1") = "6"
    & skf21("6","4","4","7","7","3","6","1") = "6"
    & skf21("6","4","4","7","7","3","7","1") = "6"
    & skf21("6","4","4","7","7","4","1","1") = "6"
    & skf21("6","4","4","7","7","4","2","1") = "6"
    & skf21("6","4","4","7","7","4","3","1") = "6"
    & skf21("6","4","4","7","7","4","4","1") = "6"
    & skf21("6","4","4","7","7","4","5","1") = "6"
    & skf21("6","4","4","7","7","4","6","1") = "6"
    & skf21("6","4","4","7","7","4","7","1") = "6"
    & skf21("6","4","4","7","7","5","1","1") = "6"
    & skf21("6","4","4","7","7","5","2","1") = "6"
    & skf21("6","4","4","7","7","5","3","1") = "6"
    & skf21("6","4","4","7","7","5","4","1") = "6"
    & skf21("6","4","4","7","7","5","5","1") = "6"
    & skf21("6","4","4","7","7","5","6","1") = "6"
    & skf21("6","4","4","7","7","5","7","1") = "6"
    & skf21("6","4","4","7","7","6","1","1") = "6"
    & skf21("6","4","4","7","7","6","2","1") = "6"
    & skf21("6","4","4","7","7","6","3","1") = "6"
    & skf21("6","4","4","7","7","6","4","1") = "6"
    & skf21("6","4","4","7","7","6","5","1") = "6"
    & skf21("6","4","4","7","7","6","6","1") = "6"
    & skf21("6","4","4","7","7","6","7","1") = "6"
    & skf21("6","4","4","7","7","7","1","1") = "6"
    & skf21("6","4","4","7","7","7","2","1") = "6"
    & skf21("6","4","4","7","7","7","3","1") = "6"
    & skf21("6","4","4","7","7","7","4","1") = "6"
    & skf21("6","4","4","7","7","7","5","1") = "6"
    & skf21("6","4","4","7","7","7","6","1") = "6"
    & skf21("6","4","4","7","7","7","7","1") = "6"
    & skf21("6","4","5","1","1","1","1","1") = "5"
    & skf21("6","4","5","1","1","1","2","1") = "5"
    & skf21("6","4","5","1","1","1","3","1") = "5"
    & skf21("6","4","5","1","1","1","4","1") = "5"
    & skf21("6","4","5","1","1","1","5","1") = "5"
    & skf21("6","4","5","1","1","1","6","1") = "5"
    & skf21("6","4","5","1","1","1","7","1") = "6"
    & skf21("6","4","5","1","1","2","1","1") = "5"
    & skf21("6","4","5","1","1","2","2","1") = "5"
    & skf21("6","4","5","1","1","2","3","1") = "5"
    & skf21("6","4","5","1","1","2","4","1") = "5"
    & skf21("6","4","5","1","1","2","5","1") = "5"
    & skf21("6","4","5","1","1","2","6","1") = "5"
    & skf21("6","4","5","1","1","2","7","1") = "6"
    & skf21("6","4","5","1","1","3","1","1") = "5"
    & skf21("6","4","5","1","1","3","2","1") = "5"
    & skf21("6","4","5","1","1","3","3","1") = "5"
    & skf21("6","4","5","1","1","3","4","1") = "5"
    & skf21("6","4","5","1","1","3","5","1") = "5"
    & skf21("6","4","5","1","1","3","6","1") = "5"
    & skf21("6","4","5","1","1","3","7","1") = "6"
    & skf21("6","4","5","1","1","4","1","1") = "5"
    & skf21("6","4","5","1","1","4","2","1") = "5"
    & skf21("6","4","5","1","1","4","3","1") = "5"
    & skf21("6","4","5","1","1","4","4","1") = "5"
    & skf21("6","4","5","1","1","4","5","1") = "5"
    & skf21("6","4","5","1","1","4","6","1") = "5"
    & skf21("6","4","5","1","1","4","7","1") = "6"
    & skf21("6","4","5","1","1","5","1","1") = "5"
    & skf21("6","4","5","1","1","5","2","1") = "5"
    & skf21("6","4","5","1","1","5","3","1") = "5"
    & skf21("6","4","5","1","1","5","4","1") = "5"
    & skf21("6","4","5","1","1","5","5","1") = "5"
    & skf21("6","4","5","1","1","5","6","1") = "5"
    & skf21("6","4","5","1","1","5","7","1") = "6"
    & skf21("6","4","5","1","1","6","1","1") = "5"
    & skf21("6","4","5","1","1","6","2","1") = "5"
    & skf21("6","4","5","1","1","6","3","1") = "5"
    & skf21("6","4","5","1","1","6","4","1") = "5"
    & skf21("6","4","5","1","1","6","5","1") = "5"
    & skf21("6","4","5","1","1","6","6","1") = "5"
    & skf21("6","4","5","1","1","6","7","1") = "6"
    & skf21("6","4","5","1","1","7","1","1") = "6"
    & skf21("6","4","5","1","1","7","2","1") = "6"
    & skf21("6","4","5","1","1","7","3","1") = "6"
    & skf21("6","4","5","1","1","7","4","1") = "6"
    & skf21("6","4","5","1","1","7","5","1") = "6"
    & skf21("6","4","5","1","1","7","6","1") = "6"
    & skf21("6","4","5","1","1","7","7","1") = "6"
    & skf21("6","4","5","1","2","1","1","1") = "5"
    & skf21("6","4","5","1","2","1","2","1") = "5"
    & skf21("6","4","5","1","2","1","3","1") = "5"
    & skf21("6","4","5","1","2","1","4","1") = "5"
    & skf21("6","4","5","1","2","1","5","1") = "5"
    & skf21("6","4","5","1","2","1","6","1") = "5"
    & skf21("6","4","5","1","2","1","7","1") = "6"
    & skf21("6","4","5","1","2","2","1","1") = "5"
    & skf21("6","4","5","1","2","2","2","1") = "5"
    & skf21("6","4","5","1","2","2","3","1") = "5"
    & skf21("6","4","5","1","2","2","4","1") = "5"
    & skf21("6","4","5","1","2","2","5","1") = "5"
    & skf21("6","4","5","1","2","2","6","1") = "5"
    & skf21("6","4","5","1","2","2","7","1") = "6"
    & skf21("6","4","5","1","2","3","1","1") = "5"
    & skf21("6","4","5","1","2","3","2","1") = "5"
    & skf21("6","4","5","1","2","3","3","1") = "5"
    & skf21("6","4","5","1","2","3","4","1") = "5"
    & skf21("6","4","5","1","2","3","5","1") = "5"
    & skf21("6","4","5","1","2","3","6","1") = "5"
    & skf21("6","4","5","1","2","3","7","1") = "6"
    & skf21("6","4","5","1","2","4","1","1") = "5"
    & skf21("6","4","5","1","2","4","2","1") = "5"
    & skf21("6","4","5","1","2","4","3","1") = "5"
    & skf21("6","4","5","1","2","4","4","1") = "5"
    & skf21("6","4","5","1","2","4","5","1") = "5"
    & skf21("6","4","5","1","2","4","6","1") = "5"
    & skf21("6","4","5","1","2","4","7","1") = "6"
    & skf21("6","4","5","1","2","5","1","1") = "5"
    & skf21("6","4","5","1","2","5","2","1") = "5"
    & skf21("6","4","5","1","2","5","3","1") = "5"
    & skf21("6","4","5","1","2","5","4","1") = "5"
    & skf21("6","4","5","1","2","5","5","1") = "5"
    & skf21("6","4","5","1","2","5","6","1") = "5"
    & skf21("6","4","5","1","2","5","7","1") = "6"
    & skf21("6","4","5","1","2","6","1","1") = "5"
    & skf21("6","4","5","1","2","6","2","1") = "5"
    & skf21("6","4","5","1","2","6","3","1") = "5"
    & skf21("6","4","5","1","2","6","4","1") = "5"
    & skf21("6","4","5","1","2","6","5","1") = "5"
    & skf21("6","4","5","1","2","6","6","1") = "5"
    & skf21("6","4","5","1","2","6","7","1") = "6"
    & skf21("6","4","5","1","2","7","1","1") = "6"
    & skf21("6","4","5","1","2","7","2","1") = "6"
    & skf21("6","4","5","1","2","7","3","1") = "6"
    & skf21("6","4","5","1","2","7","4","1") = "6"
    & skf21("6","4","5","1","2","7","5","1") = "6"
    & skf21("6","4","5","1","2","7","6","1") = "6"
    & skf21("6","4","5","1","2","7","7","1") = "6"
    & skf21("6","4","5","1","3","1","1","1") = "5"
    & skf21("6","4","5","1","3","1","2","1") = "5"
    & skf21("6","4","5","1","3","1","3","1") = "5"
    & skf21("6","4","5","1","3","1","4","1") = "5"
    & skf21("6","4","5","1","3","1","5","1") = "5"
    & skf21("6","4","5","1","3","1","6","1") = "5"
    & skf21("6","4","5","1","3","1","7","1") = "6"
    & skf21("6","4","5","1","3","2","1","1") = "5"
    & skf21("6","4","5","1","3","2","2","1") = "5"
    & skf21("6","4","5","1","3","2","3","1") = "5"
    & skf21("6","4","5","1","3","2","4","1") = "5"
    & skf21("6","4","5","1","3","2","5","1") = "5"
    & skf21("6","4","5","1","3","2","6","1") = "5"
    & skf21("6","4","5","1","3","2","7","1") = "6"
    & skf21("6","4","5","1","3","3","1","1") = "5"
    & skf21("6","4","5","1","3","3","2","1") = "5"
    & skf21("6","4","5","1","3","3","3","1") = "5"
    & skf21("6","4","5","1","3","3","4","1") = "5"
    & skf21("6","4","5","1","3","3","5","1") = "5"
    & skf21("6","4","5","1","3","3","6","1") = "5"
    & skf21("6","4","5","1","3","3","7","1") = "6"
    & skf21("6","4","5","1","3","4","1","1") = "5"
    & skf21("6","4","5","1","3","4","2","1") = "5"
    & skf21("6","4","5","1","3","4","3","1") = "5"
    & skf21("6","4","5","1","3","4","4","1") = "5"
    & skf21("6","4","5","1","3","4","5","1") = "5"
    & skf21("6","4","5","1","3","4","6","1") = "5"
    & skf21("6","4","5","1","3","4","7","1") = "6"
    & skf21("6","4","5","1","3","5","1","1") = "5"
    & skf21("6","4","5","1","3","5","2","1") = "5"
    & skf21("6","4","5","1","3","5","3","1") = "5"
    & skf21("6","4","5","1","3","5","4","1") = "5"
    & skf21("6","4","5","1","3","5","5","1") = "5"
    & skf21("6","4","5","1","3","5","6","1") = "5"
    & skf21("6","4","5","1","3","5","7","1") = "6"
    & skf21("6","4","5","1","3","6","1","1") = "5"
    & skf21("6","4","5","1","3","6","2","1") = "5"
    & skf21("6","4","5","1","3","6","3","1") = "5"
    & skf21("6","4","5","1","3","6","4","1") = "5"
    & skf21("6","4","5","1","3","6","5","1") = "5"
    & skf21("6","4","5","1","3","6","6","1") = "5"
    & skf21("6","4","5","1","3","6","7","1") = "6"
    & skf21("6","4","5","1","3","7","1","1") = "6"
    & skf21("6","4","5","1","3","7","2","1") = "6"
    & skf21("6","4","5","1","3","7","3","1") = "6"
    & skf21("6","4","5","1","3","7","4","1") = "6"
    & skf21("6","4","5","1","3","7","5","1") = "6"
    & skf21("6","4","5","1","3","7","6","1") = "6"
    & skf21("6","4","5","1","3","7","7","1") = "6"
    & skf21("6","4","5","1","4","1","1","1") = "5"
    & skf21("6","4","5","1","4","1","2","1") = "5"
    & skf21("6","4","5","1","4","1","3","1") = "5"
    & skf21("6","4","5","1","4","1","4","1") = "5"
    & skf21("6","4","5","1","4","1","5","1") = "5"
    & skf21("6","4","5","1","4","1","6","1") = "5"
    & skf21("6","4","5","1","4","1","7","1") = "6"
    & skf21("6","4","5","1","4","2","1","1") = "5"
    & skf21("6","4","5","1","4","2","2","1") = "5"
    & skf21("6","4","5","1","4","2","3","1") = "5"
    & skf21("6","4","5","1","4","2","4","1") = "5"
    & skf21("6","4","5","1","4","2","5","1") = "5"
    & skf21("6","4","5","1","4","2","6","1") = "5"
    & skf21("6","4","5","1","4","2","7","1") = "6"
    & skf21("6","4","5","1","4","3","1","1") = "5"
    & skf21("6","4","5","1","4","3","2","1") = "5"
    & skf21("6","4","5","1","4","3","3","1") = "5"
    & skf21("6","4","5","1","4","3","4","1") = "5"
    & skf21("6","4","5","1","4","3","5","1") = "5"
    & skf21("6","4","5","1","4","3","6","1") = "5"
    & skf21("6","4","5","1","4","3","7","1") = "6"
    & skf21("6","4","5","1","4","4","1","1") = "5"
    & skf21("6","4","5","1","4","4","2","1") = "5"
    & skf21("6","4","5","1","4","4","3","1") = "5"
    & skf21("6","4","5","1","4","4","4","1") = "5"
    & skf21("6","4","5","1","4","4","5","1") = "5"
    & skf21("6","4","5","1","4","4","6","1") = "5"
    & skf21("6","4","5","1","4","4","7","1") = "6"
    & skf21("6","4","5","1","4","5","1","1") = "5"
    & skf21("6","4","5","1","4","5","2","1") = "5"
    & skf21("6","4","5","1","4","5","3","1") = "5"
    & skf21("6","4","5","1","4","5","4","1") = "5"
    & skf21("6","4","5","1","4","5","5","1") = "5"
    & skf21("6","4","5","1","4","5","6","1") = "5"
    & skf21("6","4","5","1","4","5","7","1") = "6"
    & skf21("6","4","5","1","4","6","1","1") = "5"
    & skf21("6","4","5","1","4","6","2","1") = "5"
    & skf21("6","4","5","1","4","6","3","1") = "5"
    & skf21("6","4","5","1","4","6","4","1") = "5"
    & skf21("6","4","5","1","4","6","5","1") = "5"
    & skf21("6","4","5","1","4","6","6","1") = "5"
    & skf21("6","4","5","1","4","6","7","1") = "6"
    & skf21("6","4","5","1","4","7","1","1") = "6"
    & skf21("6","4","5","1","4","7","2","1") = "6"
    & skf21("6","4","5","1","4","7","3","1") = "6"
    & skf21("6","4","5","1","4","7","4","1") = "6"
    & skf21("6","4","5","1","4","7","5","1") = "6"
    & skf21("6","4","5","1","4","7","6","1") = "6"
    & skf21("6","4","5","1","4","7","7","1") = "6"
    & skf21("6","4","5","1","5","1","1","1") = "5"
    & skf21("6","4","5","1","5","1","2","1") = "5"
    & skf21("6","4","5","1","5","1","3","1") = "5"
    & skf21("6","4","5","1","5","1","4","1") = "5"
    & skf21("6","4","5","1","5","1","5","1") = "5"
    & skf21("6","4","5","1","5","1","6","1") = "5"
    & skf21("6","4","5","1","5","1","7","1") = "6"
    & skf21("6","4","5","1","5","2","1","1") = "5"
    & skf21("6","4","5","1","5","2","2","1") = "5"
    & skf21("6","4","5","1","5","2","3","1") = "5"
    & skf21("6","4","5","1","5","2","4","1") = "5"
    & skf21("6","4","5","1","5","2","5","1") = "5"
    & skf21("6","4","5","1","5","2","6","1") = "5"
    & skf21("6","4","5","1","5","2","7","1") = "6"
    & skf21("6","4","5","1","5","3","1","1") = "5"
    & skf21("6","4","5","1","5","3","2","1") = "5"
    & skf21("6","4","5","1","5","3","3","1") = "5"
    & skf21("6","4","5","1","5","3","4","1") = "5"
    & skf21("6","4","5","1","5","3","5","1") = "5"
    & skf21("6","4","5","1","5","3","6","1") = "5"
    & skf21("6","4","5","1","5","3","7","1") = "6"
    & skf21("6","4","5","1","5","4","1","1") = "5"
    & skf21("6","4","5","1","5","4","2","1") = "5"
    & skf21("6","4","5","1","5","4","3","1") = "5"
    & skf21("6","4","5","1","5","4","4","1") = "5"
    & skf21("6","4","5","1","5","4","5","1") = "5"
    & skf21("6","4","5","1","5","4","6","1") = "5"
    & skf21("6","4","5","1","5","4","7","1") = "6"
    & skf21("6","4","5","1","5","5","1","1") = "5"
    & skf21("6","4","5","1","5","5","2","1") = "5"
    & skf21("6","4","5","1","5","5","3","1") = "5"
    & skf21("6","4","5","1","5","5","4","1") = "5"
    & skf21("6","4","5","1","5","5","5","1") = "5"
    & skf21("6","4","5","1","5","5","6","1") = "5"
    & skf21("6","4","5","1","5","5","7","1") = "6"
    & skf21("6","4","5","1","5","6","1","1") = "5"
    & skf21("6","4","5","1","5","6","2","1") = "5"
    & skf21("6","4","5","1","5","6","3","1") = "5"
    & skf21("6","4","5","1","5","6","4","1") = "5"
    & skf21("6","4","5","1","5","6","5","1") = "5"
    & skf21("6","4","5","1","5","6","6","1") = "5"
    & skf21("6","4","5","1","5","6","7","1") = "6"
    & skf21("6","4","5","1","5","7","1","1") = "6"
    & skf21("6","4","5","1","5","7","2","1") = "6"
    & skf21("6","4","5","1","5","7","3","1") = "6"
    & skf21("6","4","5","1","5","7","4","1") = "6"
    & skf21("6","4","5","1","5","7","5","1") = "6"
    & skf21("6","4","5","1","5","7","6","1") = "6"
    & skf21("6","4","5","1","5","7","7","1") = "6"
    & skf21("6","4","5","1","6","1","1","1") = "5"
    & skf21("6","4","5","1","6","1","2","1") = "5"
    & skf21("6","4","5","1","6","1","3","1") = "5"
    & skf21("6","4","5","1","6","1","4","1") = "5"
    & skf21("6","4","5","1","6","1","5","1") = "5"
    & skf21("6","4","5","1","6","1","6","1") = "5"
    & skf21("6","4","5","1","6","1","7","1") = "6"
    & skf21("6","4","5","1","6","2","1","1") = "5"
    & skf21("6","4","5","1","6","2","2","1") = "5"
    & skf21("6","4","5","1","6","2","3","1") = "5"
    & skf21("6","4","5","1","6","2","4","1") = "5"
    & skf21("6","4","5","1","6","2","5","1") = "5"
    & skf21("6","4","5","1","6","2","6","1") = "5"
    & skf21("6","4","5","1","6","2","7","1") = "6"
    & skf21("6","4","5","1","6","3","1","1") = "5"
    & skf21("6","4","5","1","6","3","2","1") = "5"
    & skf21("6","4","5","1","6","3","3","1") = "5"
    & skf21("6","4","5","1","6","3","4","1") = "5"
    & skf21("6","4","5","1","6","3","5","1") = "5"
    & skf21("6","4","5","1","6","3","6","1") = "5"
    & skf21("6","4","5","1","6","3","7","1") = "6"
    & skf21("6","4","5","1","6","4","1","1") = "5"
    & skf21("6","4","5","1","6","4","2","1") = "5"
    & skf21("6","4","5","1","6","4","3","1") = "5"
    & skf21("6","4","5","1","6","4","4","1") = "5"
    & skf21("6","4","5","1","6","4","5","1") = "5"
    & skf21("6","4","5","1","6","4","6","1") = "5"
    & skf21("6","4","5","1","6","4","7","1") = "6"
    & skf21("6","4","5","1","6","5","1","1") = "5"
    & skf21("6","4","5","1","6","5","2","1") = "5"
    & skf21("6","4","5","1","6","5","3","1") = "5"
    & skf21("6","4","5","1","6","5","4","1") = "5"
    & skf21("6","4","5","1","6","5","5","1") = "5"
    & skf21("6","4","5","1","6","5","6","1") = "5"
    & skf21("6","4","5","1","6","5","7","1") = "6"
    & skf21("6","4","5","1","6","6","1","1") = "5"
    & skf21("6","4","5","1","6","6","2","1") = "5"
    & skf21("6","4","5","1","6","6","3","1") = "5"
    & skf21("6","4","5","1","6","6","4","1") = "5"
    & skf21("6","4","5","1","6","6","5","1") = "5"
    & skf21("6","4","5","1","6","6","6","1") = "5"
    & skf21("6","4","5","1","6","6","7","1") = "6"
    & skf21("6","4","5","1","6","7","1","1") = "6"
    & skf21("6","4","5","1","6","7","2","1") = "6"
    & skf21("6","4","5","1","6","7","3","1") = "6"
    & skf21("6","4","5","1","6","7","4","1") = "6"
    & skf21("6","4","5","1","6","7","5","1") = "6"
    & skf21("6","4","5","1","6","7","6","1") = "6"
    & skf21("6","4","5","1","6","7","7","1") = "6"
    & skf21("6","4","5","1","7","1","1","1") = "6"
    & skf21("6","4","5","1","7","1","2","1") = "6"
    & skf21("6","4","5","1","7","1","3","1") = "6"
    & skf21("6","4","5","1","7","1","4","1") = "6"
    & skf21("6","4","5","1","7","1","5","1") = "6"
    & skf21("6","4","5","1","7","1","6","1") = "6"
    & skf21("6","4","5","1","7","1","7","1") = "6"
    & skf21("6","4","5","1","7","2","1","1") = "6"
    & skf21("6","4","5","1","7","2","2","1") = "6"
    & skf21("6","4","5","1","7","2","3","1") = "6"
    & skf21("6","4","5","1","7","2","4","1") = "6"
    & skf21("6","4","5","1","7","2","5","1") = "6"
    & skf21("6","4","5","1","7","2","6","1") = "6"
    & skf21("6","4","5","1","7","2","7","1") = "6"
    & skf21("6","4","5","1","7","3","1","1") = "6"
    & skf21("6","4","5","1","7","3","2","1") = "6"
    & skf21("6","4","5","1","7","3","3","1") = "6"
    & skf21("6","4","5","1","7","3","4","1") = "6"
    & skf21("6","4","5","1","7","3","5","1") = "6"
    & skf21("6","4","5","1","7","3","6","1") = "6"
    & skf21("6","4","5","1","7","3","7","1") = "6"
    & skf21("6","4","5","1","7","4","1","1") = "6"
    & skf21("6","4","5","1","7","4","2","1") = "6"
    & skf21("6","4","5","1","7","4","3","1") = "6"
    & skf21("6","4","5","1","7","4","4","1") = "6"
    & skf21("6","4","5","1","7","4","5","1") = "6"
    & skf21("6","4","5","1","7","4","6","1") = "6"
    & skf21("6","4","5","1","7","4","7","1") = "6"
    & skf21("6","4","5","1","7","5","1","1") = "6"
    & skf21("6","4","5","1","7","5","2","1") = "6"
    & skf21("6","4","5","1","7","5","3","1") = "6"
    & skf21("6","4","5","1","7","5","4","1") = "6"
    & skf21("6","4","5","1","7","5","5","1") = "6"
    & skf21("6","4","5","1","7","5","6","1") = "6"
    & skf21("6","4","5","1","7","5","7","1") = "6"
    & skf21("6","4","5","1","7","6","1","1") = "6"
    & skf21("6","4","5","1","7","6","2","1") = "6"
    & skf21("6","4","5","1","7","6","3","1") = "6"
    & skf21("6","4","5","1","7","6","4","1") = "6"
    & skf21("6","4","5","1","7","6","5","1") = "6"
    & skf21("6","4","5","1","7","6","6","1") = "6"
    & skf21("6","4","5","1","7","6","7","1") = "6"
    & skf21("6","4","5","1","7","7","1","1") = "6"
    & skf21("6","4","5","1","7","7","2","1") = "6"
    & skf21("6","4","5","1","7","7","3","1") = "6"
    & skf21("6","4","5","1","7","7","4","1") = "6"
    & skf21("6","4","5","1","7","7","5","1") = "6"
    & skf21("6","4","5","1","7","7","6","1") = "6"
    & skf21("6","4","5","1","7","7","7","1") = "6"
    & skf21("6","4","5","2","1","1","1","1") = "5"
    & skf21("6","4","5","2","1","1","2","1") = "5"
    & skf21("6","4","5","2","1","1","3","1") = "5"
    & skf21("6","4","5","2","1","1","4","1") = "5"
    & skf21("6","4","5","2","1","1","5","1") = "5"
    & skf21("6","4","5","2","1","1","6","1") = "5"
    & skf21("6","4","5","2","1","1","7","1") = "6"
    & skf21("6","4","5","2","1","2","1","1") = "5"
    & skf21("6","4","5","2","1","2","2","1") = "5"
    & skf21("6","4","5","2","1","2","3","1") = "5"
    & skf21("6","4","5","2","1","2","4","1") = "5"
    & skf21("6","4","5","2","1","2","5","1") = "5"
    & skf21("6","4","5","2","1","2","6","1") = "5"
    & skf21("6","4","5","2","1","2","7","1") = "6"
    & skf21("6","4","5","2","1","3","1","1") = "5"
    & skf21("6","4","5","2","1","3","2","1") = "5"
    & skf21("6","4","5","2","1","3","3","1") = "5"
    & skf21("6","4","5","2","1","3","4","1") = "5"
    & skf21("6","4","5","2","1","3","5","1") = "5"
    & skf21("6","4","5","2","1","3","6","1") = "5"
    & skf21("6","4","5","2","1","3","7","1") = "6"
    & skf21("6","4","5","2","1","4","1","1") = "5"
    & skf21("6","4","5","2","1","4","2","1") = "5"
    & skf21("6","4","5","2","1","4","3","1") = "5"
    & skf21("6","4","5","2","1","4","4","1") = "5"
    & skf21("6","4","5","2","1","4","5","1") = "5"
    & skf21("6","4","5","2","1","4","6","1") = "5"
    & skf21("6","4","5","2","1","4","7","1") = "6"
    & skf21("6","4","5","2","1","5","1","1") = "5"
    & skf21("6","4","5","2","1","5","2","1") = "5"
    & skf21("6","4","5","2","1","5","3","1") = "5"
    & skf21("6","4","5","2","1","5","4","1") = "5"
    & skf21("6","4","5","2","1","5","5","1") = "5"
    & skf21("6","4","5","2","1","5","6","1") = "5"
    & skf21("6","4","5","2","1","5","7","1") = "6"
    & skf21("6","4","5","2","1","6","1","1") = "5"
    & skf21("6","4","5","2","1","6","2","1") = "5"
    & skf21("6","4","5","2","1","6","3","1") = "5"
    & skf21("6","4","5","2","1","6","4","1") = "5"
    & skf21("6","4","5","2","1","6","5","1") = "5"
    & skf21("6","4","5","2","1","6","6","1") = "5"
    & skf21("6","4","5","2","1","6","7","1") = "6"
    & skf21("6","4","5","2","1","7","1","1") = "6"
    & skf21("6","4","5","2","1","7","2","1") = "6"
    & skf21("6","4","5","2","1","7","3","1") = "6"
    & skf21("6","4","5","2","1","7","4","1") = "6"
    & skf21("6","4","5","2","1","7","5","1") = "6"
    & skf21("6","4","5","2","1","7","6","1") = "6"
    & skf21("6","4","5","2","1","7","7","1") = "6"
    & skf21("6","4","5","2","2","1","1","1") = "5"
    & skf21("6","4","5","2","2","1","2","1") = "5"
    & skf21("6","4","5","2","2","1","3","1") = "5"
    & skf21("6","4","5","2","2","1","4","1") = "5"
    & skf21("6","4","5","2","2","1","5","1") = "5"
    & skf21("6","4","5","2","2","1","6","1") = "5"
    & skf21("6","4","5","2","2","1","7","1") = "6"
    & skf21("6","4","5","2","2","2","1","1") = "5"
    & skf21("6","4","5","2","2","2","2","1") = "5"
    & skf21("6","4","5","2","2","2","3","1") = "5"
    & skf21("6","4","5","2","2","2","4","1") = "5"
    & skf21("6","4","5","2","2","2","5","1") = "5"
    & skf21("6","4","5","2","2","2","6","1") = "5"
    & skf21("6","4","5","2","2","2","7","1") = "6"
    & skf21("6","4","5","2","2","3","1","1") = "5"
    & skf21("6","4","5","2","2","3","2","1") = "5"
    & skf21("6","4","5","2","2","3","3","1") = "5"
    & skf21("6","4","5","2","2","3","4","1") = "5"
    & skf21("6","4","5","2","2","3","5","1") = "5"
    & skf21("6","4","5","2","2","3","6","1") = "5"
    & skf21("6","4","5","2","2","3","7","1") = "6"
    & skf21("6","4","5","2","2","4","1","1") = "5"
    & skf21("6","4","5","2","2","4","2","1") = "5"
    & skf21("6","4","5","2","2","4","3","1") = "5"
    & skf21("6","4","5","2","2","4","4","1") = "5"
    & skf21("6","4","5","2","2","4","5","1") = "5"
    & skf21("6","4","5","2","2","4","6","1") = "5"
    & skf21("6","4","5","2","2","4","7","1") = "6"
    & skf21("6","4","5","2","2","5","1","1") = "5"
    & skf21("6","4","5","2","2","5","2","1") = "5"
    & skf21("6","4","5","2","2","5","3","1") = "5"
    & skf21("6","4","5","2","2","5","4","1") = "5"
    & skf21("6","4","5","2","2","5","5","1") = "5"
    & skf21("6","4","5","2","2","5","6","1") = "5"
    & skf21("6","4","5","2","2","5","7","1") = "6"
    & skf21("6","4","5","2","2","6","1","1") = "5"
    & skf21("6","4","5","2","2","6","2","1") = "5"
    & skf21("6","4","5","2","2","6","3","1") = "5"
    & skf21("6","4","5","2","2","6","4","1") = "5"
    & skf21("6","4","5","2","2","6","5","1") = "5"
    & skf21("6","4","5","2","2","6","6","1") = "5"
    & skf21("6","4","5","2","2","6","7","1") = "6"
    & skf21("6","4","5","2","2","7","1","1") = "6"
    & skf21("6","4","5","2","2","7","2","1") = "6"
    & skf21("6","4","5","2","2","7","3","1") = "6"
    & skf21("6","4","5","2","2","7","4","1") = "6"
    & skf21("6","4","5","2","2","7","5","1") = "6"
    & skf21("6","4","5","2","2","7","6","1") = "6"
    & skf21("6","4","5","2","2","7","7","1") = "6"
    & skf21("6","4","5","2","3","1","1","1") = "5"
    & skf21("6","4","5","2","3","1","2","1") = "5"
    & skf21("6","4","5","2","3","1","3","1") = "5"
    & skf21("6","4","5","2","3","1","4","1") = "5"
    & skf21("6","4","5","2","3","1","5","1") = "5"
    & skf21("6","4","5","2","3","1","6","1") = "5"
    & skf21("6","4","5","2","3","1","7","1") = "6"
    & skf21("6","4","5","2","3","2","1","1") = "5"
    & skf21("6","4","5","2","3","2","2","1") = "5"
    & skf21("6","4","5","2","3","2","3","1") = "5"
    & skf21("6","4","5","2","3","2","4","1") = "5"
    & skf21("6","4","5","2","3","2","5","1") = "5"
    & skf21("6","4","5","2","3","2","6","1") = "5"
    & skf21("6","4","5","2","3","2","7","1") = "6"
    & skf21("6","4","5","2","3","3","1","1") = "5"
    & skf21("6","4","5","2","3","3","2","1") = "5"
    & skf21("6","4","5","2","3","3","3","1") = "5"
    & skf21("6","4","5","2","3","3","4","1") = "5"
    & skf21("6","4","5","2","3","3","5","1") = "5"
    & skf21("6","4","5","2","3","3","6","1") = "5"
    & skf21("6","4","5","2","3","3","7","1") = "6"
    & skf21("6","4","5","2","3","4","1","1") = "5"
    & skf21("6","4","5","2","3","4","2","1") = "5"
    & skf21("6","4","5","2","3","4","3","1") = "5"
    & skf21("6","4","5","2","3","4","4","1") = "5"
    & skf21("6","4","5","2","3","4","5","1") = "5"
    & skf21("6","4","5","2","3","4","6","1") = "5"
    & skf21("6","4","5","2","3","4","7","1") = "6"
    & skf21("6","4","5","2","3","5","1","1") = "5"
    & skf21("6","4","5","2","3","5","2","1") = "5"
    & skf21("6","4","5","2","3","5","3","1") = "5"
    & skf21("6","4","5","2","3","5","4","1") = "5"
    & skf21("6","4","5","2","3","5","5","1") = "5"
    & skf21("6","4","5","2","3","5","6","1") = "5"
    & skf21("6","4","5","2","3","5","7","1") = "6"
    & skf21("6","4","5","2","3","6","1","1") = "5"
    & skf21("6","4","5","2","3","6","2","1") = "5"
    & skf21("6","4","5","2","3","6","3","1") = "5"
    & skf21("6","4","5","2","3","6","4","1") = "5"
    & skf21("6","4","5","2","3","6","5","1") = "5"
    & skf21("6","4","5","2","3","6","6","1") = "5"
    & skf21("6","4","5","2","3","6","7","1") = "6"
    & skf21("6","4","5","2","3","7","1","1") = "6"
    & skf21("6","4","5","2","3","7","2","1") = "6"
    & skf21("6","4","5","2","3","7","3","1") = "6"
    & skf21("6","4","5","2","3","7","4","1") = "6"
    & skf21("6","4","5","2","3","7","5","1") = "6"
    & skf21("6","4","5","2","3","7","6","1") = "6"
    & skf21("6","4","5","2","3","7","7","1") = "6"
    & skf21("6","4","5","2","4","1","1","1") = "5"
    & skf21("6","4","5","2","4","1","2","1") = "5"
    & skf21("6","4","5","2","4","1","3","1") = "5"
    & skf21("6","4","5","2","4","1","4","1") = "5"
    & skf21("6","4","5","2","4","1","5","1") = "5"
    & skf21("6","4","5","2","4","1","6","1") = "5"
    & skf21("6","4","5","2","4","1","7","1") = "6"
    & skf21("6","4","5","2","4","2","1","1") = "5"
    & skf21("6","4","5","2","4","2","2","1") = "5"
    & skf21("6","4","5","2","4","2","3","1") = "5"
    & skf21("6","4","5","2","4","2","4","1") = "5"
    & skf21("6","4","5","2","4","2","5","1") = "5"
    & skf21("6","4","5","2","4","2","6","1") = "5"
    & skf21("6","4","5","2","4","2","7","1") = "6"
    & skf21("6","4","5","2","4","3","1","1") = "5"
    & skf21("6","4","5","2","4","3","2","1") = "5"
    & skf21("6","4","5","2","4","3","3","1") = "5"
    & skf21("6","4","5","2","4","3","4","1") = "5"
    & skf21("6","4","5","2","4","3","5","1") = "5"
    & skf21("6","4","5","2","4","3","6","1") = "5"
    & skf21("6","4","5","2","4","3","7","1") = "6"
    & skf21("6","4","5","2","4","4","1","1") = "5"
    & skf21("6","4","5","2","4","4","2","1") = "5"
    & skf21("6","4","5","2","4","4","3","1") = "5"
    & skf21("6","4","5","2","4","4","4","1") = "5"
    & skf21("6","4","5","2","4","4","5","1") = "5"
    & skf21("6","4","5","2","4","4","6","1") = "5"
    & skf21("6","4","5","2","4","4","7","1") = "6"
    & skf21("6","4","5","2","4","5","1","1") = "5"
    & skf21("6","4","5","2","4","5","2","1") = "5"
    & skf21("6","4","5","2","4","5","3","1") = "5"
    & skf21("6","4","5","2","4","5","4","1") = "5"
    & skf21("6","4","5","2","4","5","5","1") = "5"
    & skf21("6","4","5","2","4","5","6","1") = "5"
    & skf21("6","4","5","2","4","5","7","1") = "6"
    & skf21("6","4","5","2","4","6","1","1") = "5"
    & skf21("6","4","5","2","4","6","2","1") = "5"
    & skf21("6","4","5","2","4","6","3","1") = "5"
    & skf21("6","4","5","2","4","6","4","1") = "5"
    & skf21("6","4","5","2","4","6","5","1") = "5"
    & skf21("6","4","5","2","4","6","6","1") = "5"
    & skf21("6","4","5","2","4","6","7","1") = "6"
    & skf21("6","4","5","2","4","7","1","1") = "6"
    & skf21("6","4","5","2","4","7","2","1") = "6"
    & skf21("6","4","5","2","4","7","3","1") = "6"
    & skf21("6","4","5","2","4","7","4","1") = "6"
    & skf21("6","4","5","2","4","7","5","1") = "6"
    & skf21("6","4","5","2","4","7","6","1") = "6"
    & skf21("6","4","5","2","4","7","7","1") = "6"
    & skf21("6","4","5","2","5","1","1","1") = "5"
    & skf21("6","4","5","2","5","1","2","1") = "5"
    & skf21("6","4","5","2","5","1","3","1") = "5"
    & skf21("6","4","5","2","5","1","4","1") = "5"
    & skf21("6","4","5","2","5","1","5","1") = "5"
    & skf21("6","4","5","2","5","1","6","1") = "5"
    & skf21("6","4","5","2","5","1","7","1") = "6"
    & skf21("6","4","5","2","5","2","1","1") = "5"
    & skf21("6","4","5","2","5","2","2","1") = "5"
    & skf21("6","4","5","2","5","2","3","1") = "5"
    & skf21("6","4","5","2","5","2","4","1") = "5"
    & skf21("6","4","5","2","5","2","5","1") = "5"
    & skf21("6","4","5","2","5","2","6","1") = "5"
    & skf21("6","4","5","2","5","2","7","1") = "6"
    & skf21("6","4","5","2","5","3","1","1") = "5"
    & skf21("6","4","5","2","5","3","2","1") = "5"
    & skf21("6","4","5","2","5","3","3","1") = "5"
    & skf21("6","4","5","2","5","3","4","1") = "5"
    & skf21("6","4","5","2","5","3","5","1") = "5"
    & skf21("6","4","5","2","5","3","6","1") = "5"
    & skf21("6","4","5","2","5","3","7","1") = "6"
    & skf21("6","4","5","2","5","4","1","1") = "5"
    & skf21("6","4","5","2","5","4","2","1") = "5"
    & skf21("6","4","5","2","5","4","3","1") = "5"
    & skf21("6","4","5","2","5","4","4","1") = "5"
    & skf21("6","4","5","2","5","4","5","1") = "5"
    & skf21("6","4","5","2","5","4","6","1") = "5"
    & skf21("6","4","5","2","5","4","7","1") = "6"
    & skf21("6","4","5","2","5","5","1","1") = "5"
    & skf21("6","4","5","2","5","5","2","1") = "5"
    & skf21("6","4","5","2","5","5","3","1") = "5"
    & skf21("6","4","5","2","5","5","4","1") = "5"
    & skf21("6","4","5","2","5","5","5","1") = "5"
    & skf21("6","4","5","2","5","5","6","1") = "5"
    & skf21("6","4","5","2","5","5","7","1") = "6"
    & skf21("6","4","5","2","5","6","1","1") = "5"
    & skf21("6","4","5","2","5","6","2","1") = "5"
    & skf21("6","4","5","2","5","6","3","1") = "5"
    & skf21("6","4","5","2","5","6","4","1") = "5"
    & skf21("6","4","5","2","5","6","5","1") = "5"
    & skf21("6","4","5","2","5","6","6","1") = "5"
    & skf21("6","4","5","2","5","6","7","1") = "6"
    & skf21("6","4","5","2","5","7","1","1") = "6"
    & skf21("6","4","5","2","5","7","2","1") = "6"
    & skf21("6","4","5","2","5","7","3","1") = "6"
    & skf21("6","4","5","2","5","7","4","1") = "6"
    & skf21("6","4","5","2","5","7","5","1") = "6"
    & skf21("6","4","5","2","5","7","6","1") = "6"
    & skf21("6","4","5","2","5","7","7","1") = "6"
    & skf21("6","4","5","2","6","1","1","1") = "5"
    & skf21("6","4","5","2","6","1","2","1") = "5"
    & skf21("6","4","5","2","6","1","3","1") = "5"
    & skf21("6","4","5","2","6","1","4","1") = "5"
    & skf21("6","4","5","2","6","1","5","1") = "5"
    & skf21("6","4","5","2","6","1","6","1") = "5"
    & skf21("6","4","5","2","6","1","7","1") = "6"
    & skf21("6","4","5","2","6","2","1","1") = "5"
    & skf21("6","4","5","2","6","2","2","1") = "5"
    & skf21("6","4","5","2","6","2","3","1") = "5"
    & skf21("6","4","5","2","6","2","4","1") = "5"
    & skf21("6","4","5","2","6","2","5","1") = "5"
    & skf21("6","4","5","2","6","2","6","1") = "5"
    & skf21("6","4","5","2","6","2","7","1") = "6"
    & skf21("6","4","5","2","6","3","1","1") = "5"
    & skf21("6","4","5","2","6","3","2","1") = "5"
    & skf21("6","4","5","2","6","3","3","1") = "5"
    & skf21("6","4","5","2","6","3","4","1") = "5"
    & skf21("6","4","5","2","6","3","5","1") = "5"
    & skf21("6","4","5","2","6","3","6","1") = "5"
    & skf21("6","4","5","2","6","3","7","1") = "6"
    & skf21("6","4","5","2","6","4","1","1") = "5"
    & skf21("6","4","5","2","6","4","2","1") = "5"
    & skf21("6","4","5","2","6","4","3","1") = "5"
    & skf21("6","4","5","2","6","4","4","1") = "5"
    & skf21("6","4","5","2","6","4","5","1") = "5"
    & skf21("6","4","5","2","6","4","6","1") = "5"
    & skf21("6","4","5","2","6","4","7","1") = "6"
    & skf21("6","4","5","2","6","5","1","1") = "5"
    & skf21("6","4","5","2","6","5","2","1") = "5"
    & skf21("6","4","5","2","6","5","3","1") = "5"
    & skf21("6","4","5","2","6","5","4","1") = "5"
    & skf21("6","4","5","2","6","5","5","1") = "5"
    & skf21("6","4","5","2","6","5","6","1") = "5"
    & skf21("6","4","5","2","6","5","7","1") = "6"
    & skf21("6","4","5","2","6","6","1","1") = "5"
    & skf21("6","4","5","2","6","6","2","1") = "5"
    & skf21("6","4","5","2","6","6","3","1") = "5"
    & skf21("6","4","5","2","6","6","4","1") = "5"
    & skf21("6","4","5","2","6","6","5","1") = "5"
    & skf21("6","4","5","2","6","6","6","1") = "5"
    & skf21("6","4","5","2","6","6","7","1") = "6"
    & skf21("6","4","5","2","6","7","1","1") = "6"
    & skf21("6","4","5","2","6","7","2","1") = "6"
    & skf21("6","4","5","2","6","7","3","1") = "6"
    & skf21("6","4","5","2","6","7","4","1") = "6"
    & skf21("6","4","5","2","6","7","5","1") = "6"
    & skf21("6","4","5","2","6","7","6","1") = "6"
    & skf21("6","4","5","2","6","7","7","1") = "6"
    & skf21("6","4","5","2","7","1","1","1") = "6"
    & skf21("6","4","5","2","7","1","2","1") = "6"
    & skf21("6","4","5","2","7","1","3","1") = "6"
    & skf21("6","4","5","2","7","1","4","1") = "6"
    & skf21("6","4","5","2","7","1","5","1") = "6"
    & skf21("6","4","5","2","7","1","6","1") = "6"
    & skf21("6","4","5","2","7","1","7","1") = "6"
    & skf21("6","4","5","2","7","2","1","1") = "6"
    & skf21("6","4","5","2","7","2","2","1") = "6"
    & skf21("6","4","5","2","7","2","3","1") = "6"
    & skf21("6","4","5","2","7","2","4","1") = "6"
    & skf21("6","4","5","2","7","2","5","1") = "6"
    & skf21("6","4","5","2","7","2","6","1") = "6"
    & skf21("6","4","5","2","7","2","7","1") = "6"
    & skf21("6","4","5","2","7","3","1","1") = "6"
    & skf21("6","4","5","2","7","3","2","1") = "6"
    & skf21("6","4","5","2","7","3","3","1") = "6"
    & skf21("6","4","5","2","7","3","4","1") = "6"
    & skf21("6","4","5","2","7","3","5","1") = "6"
    & skf21("6","4","5","2","7","3","6","1") = "6"
    & skf21("6","4","5","2","7","3","7","1") = "6"
    & skf21("6","4","5","2","7","4","1","1") = "6"
    & skf21("6","4","5","2","7","4","2","1") = "6"
    & skf21("6","4","5","2","7","4","3","1") = "6"
    & skf21("6","4","5","2","7","4","4","1") = "6"
    & skf21("6","4","5","2","7","4","5","1") = "6"
    & skf21("6","4","5","2","7","4","6","1") = "6"
    & skf21("6","4","5","2","7","4","7","1") = "6"
    & skf21("6","4","5","2","7","5","1","1") = "6"
    & skf21("6","4","5","2","7","5","2","1") = "6"
    & skf21("6","4","5","2","7","5","3","1") = "6"
    & skf21("6","4","5","2","7","5","4","1") = "6"
    & skf21("6","4","5","2","7","5","5","1") = "6"
    & skf21("6","4","5","2","7","5","6","1") = "6"
    & skf21("6","4","5","2","7","5","7","1") = "6"
    & skf21("6","4","5","2","7","6","1","1") = "6"
    & skf21("6","4","5","2","7","6","2","1") = "6"
    & skf21("6","4","5","2","7","6","3","1") = "6"
    & skf21("6","4","5","2","7","6","4","1") = "6"
    & skf21("6","4","5","2","7","6","5","1") = "6"
    & skf21("6","4","5","2","7","6","6","1") = "6"
    & skf21("6","4","5","2","7","6","7","1") = "6"
    & skf21("6","4","5","2","7","7","1","1") = "6"
    & skf21("6","4","5","2","7","7","2","1") = "6"
    & skf21("6","4","5","2","7","7","3","1") = "6"
    & skf21("6","4","5","2","7","7","4","1") = "6"
    & skf21("6","4","5","2","7","7","5","1") = "6"
    & skf21("6","4","5","2","7","7","6","1") = "6"
    & skf21("6","4","5","2","7","7","7","1") = "6"
    & skf21("6","4","5","3","1","1","1","1") = "5"
    & skf21("6","4","5","3","1","1","2","1") = "5"
    & skf21("6","4","5","3","1","1","3","1") = "5"
    & skf21("6","4","5","3","1","1","4","1") = "5"
    & skf21("6","4","5","3","1","1","5","1") = "5"
    & skf21("6","4","5","3","1","1","6","1") = "5"
    & skf21("6","4","5","3","1","1","7","1") = "6"
    & skf21("6","4","5","3","1","2","1","1") = "5"
    & skf21("6","4","5","3","1","2","2","1") = "5"
    & skf21("6","4","5","3","1","2","3","1") = "5"
    & skf21("6","4","5","3","1","2","4","1") = "5"
    & skf21("6","4","5","3","1","2","5","1") = "5"
    & skf21("6","4","5","3","1","2","6","1") = "5"
    & skf21("6","4","5","3","1","2","7","1") = "6"
    & skf21("6","4","5","3","1","3","1","1") = "5"
    & skf21("6","4","5","3","1","3","2","1") = "5"
    & skf21("6","4","5","3","1","3","3","1") = "5"
    & skf21("6","4","5","3","1","3","4","1") = "5"
    & skf21("6","4","5","3","1","3","5","1") = "5"
    & skf21("6","4","5","3","1","3","6","1") = "5"
    & skf21("6","4","5","3","1","3","7","1") = "6"
    & skf21("6","4","5","3","1","4","1","1") = "5"
    & skf21("6","4","5","3","1","4","2","1") = "5"
    & skf21("6","4","5","3","1","4","3","1") = "5"
    & skf21("6","4","5","3","1","4","4","1") = "5"
    & skf21("6","4","5","3","1","4","5","1") = "5"
    & skf21("6","4","5","3","1","4","6","1") = "5"
    & skf21("6","4","5","3","1","4","7","1") = "6"
    & skf21("6","4","5","3","1","5","1","1") = "5"
    & skf21("6","4","5","3","1","5","2","1") = "5"
    & skf21("6","4","5","3","1","5","3","1") = "5"
    & skf21("6","4","5","3","1","5","4","1") = "5"
    & skf21("6","4","5","3","1","5","5","1") = "5"
    & skf21("6","4","5","3","1","5","6","1") = "5"
    & skf21("6","4","5","3","1","5","7","1") = "6"
    & skf21("6","4","5","3","1","6","1","1") = "5"
    & skf21("6","4","5","3","1","6","2","1") = "5"
    & skf21("6","4","5","3","1","6","3","1") = "5"
    & skf21("6","4","5","3","1","6","4","1") = "5"
    & skf21("6","4","5","3","1","6","5","1") = "5"
    & skf21("6","4","5","3","1","6","6","1") = "5"
    & skf21("6","4","5","3","1","6","7","1") = "6"
    & skf21("6","4","5","3","1","7","1","1") = "6"
    & skf21("6","4","5","3","1","7","2","1") = "6"
    & skf21("6","4","5","3","1","7","3","1") = "6"
    & skf21("6","4","5","3","1","7","4","1") = "6"
    & skf21("6","4","5","3","1","7","5","1") = "6"
    & skf21("6","4","5","3","1","7","6","1") = "6"
    & skf21("6","4","5","3","1","7","7","1") = "6"
    & skf21("6","4","5","3","2","1","1","1") = "5"
    & skf21("6","4","5","3","2","1","2","1") = "5"
    & skf21("6","4","5","3","2","1","3","1") = "5"
    & skf21("6","4","5","3","2","1","4","1") = "5"
    & skf21("6","4","5","3","2","1","5","1") = "5"
    & skf21("6","4","5","3","2","1","6","1") = "5"
    & skf21("6","4","5","3","2","1","7","1") = "6"
    & skf21("6","4","5","3","2","2","1","1") = "5"
    & skf21("6","4","5","3","2","2","2","1") = "5"
    & skf21("6","4","5","3","2","2","3","1") = "5"
    & skf21("6","4","5","3","2","2","4","1") = "5"
    & skf21("6","4","5","3","2","2","5","1") = "5"
    & skf21("6","4","5","3","2","2","6","1") = "5"
    & skf21("6","4","5","3","2","2","7","1") = "6"
    & skf21("6","4","5","3","2","3","1","1") = "5"
    & skf21("6","4","5","3","2","3","2","1") = "5"
    & skf21("6","4","5","3","2","3","3","1") = "5"
    & skf21("6","4","5","3","2","3","4","1") = "5"
    & skf21("6","4","5","3","2","3","5","1") = "5"
    & skf21("6","4","5","3","2","3","6","1") = "5"
    & skf21("6","4","5","3","2","3","7","1") = "6"
    & skf21("6","4","5","3","2","4","1","1") = "5"
    & skf21("6","4","5","3","2","4","2","1") = "5"
    & skf21("6","4","5","3","2","4","3","1") = "5"
    & skf21("6","4","5","3","2","4","4","1") = "5"
    & skf21("6","4","5","3","2","4","5","1") = "5"
    & skf21("6","4","5","3","2","4","6","1") = "5"
    & skf21("6","4","5","3","2","4","7","1") = "6"
    & skf21("6","4","5","3","2","5","1","1") = "5"
    & skf21("6","4","5","3","2","5","2","1") = "5"
    & skf21("6","4","5","3","2","5","3","1") = "5"
    & skf21("6","4","5","3","2","5","4","1") = "5"
    & skf21("6","4","5","3","2","5","5","1") = "5"
    & skf21("6","4","5","3","2","5","6","1") = "5"
    & skf21("6","4","5","3","2","5","7","1") = "6"
    & skf21("6","4","5","3","2","6","1","1") = "5"
    & skf21("6","4","5","3","2","6","2","1") = "5"
    & skf21("6","4","5","3","2","6","3","1") = "5"
    & skf21("6","4","5","3","2","6","4","1") = "5"
    & skf21("6","4","5","3","2","6","5","1") = "5"
    & skf21("6","4","5","3","2","6","6","1") = "5"
    & skf21("6","4","5","3","2","6","7","1") = "6"
    & skf21("6","4","5","3","2","7","1","1") = "6"
    & skf21("6","4","5","3","2","7","2","1") = "6"
    & skf21("6","4","5","3","2","7","3","1") = "6"
    & skf21("6","4","5","3","2","7","4","1") = "6"
    & skf21("6","4","5","3","2","7","5","1") = "6"
    & skf21("6","4","5","3","2","7","6","1") = "6"
    & skf21("6","4","5","3","2","7","7","1") = "6"
    & skf21("6","4","5","3","3","1","1","1") = "5"
    & skf21("6","4","5","3","3","1","2","1") = "5"
    & skf21("6","4","5","3","3","1","3","1") = "5"
    & skf21("6","4","5","3","3","1","4","1") = "5"
    & skf21("6","4","5","3","3","1","5","1") = "5"
    & skf21("6","4","5","3","3","1","6","1") = "5"
    & skf21("6","4","5","3","3","1","7","1") = "6"
    & skf21("6","4","5","3","3","2","1","1") = "5"
    & skf21("6","4","5","3","3","2","2","1") = "5"
    & skf21("6","4","5","3","3","2","3","1") = "5"
    & skf21("6","4","5","3","3","2","4","1") = "5"
    & skf21("6","4","5","3","3","2","5","1") = "5"
    & skf21("6","4","5","3","3","2","6","1") = "5"
    & skf21("6","4","5","3","3","2","7","1") = "6"
    & skf21("6","4","5","3","3","3","1","1") = "5"
    & skf21("6","4","5","3","3","3","2","1") = "5"
    & skf21("6","4","5","3","3","3","3","1") = "5"
    & skf21("6","4","5","3","3","3","4","1") = "5"
    & skf21("6","4","5","3","3","3","5","1") = "5"
    & skf21("6","4","5","3","3","3","6","1") = "5"
    & skf21("6","4","5","3","3","3","7","1") = "6"
    & skf21("6","4","5","3","3","4","1","1") = "5"
    & skf21("6","4","5","3","3","4","2","1") = "5"
    & skf21("6","4","5","3","3","4","3","1") = "5"
    & skf21("6","4","5","3","3","4","4","1") = "5"
    & skf21("6","4","5","3","3","4","5","1") = "5"
    & skf21("6","4","5","3","3","4","6","1") = "5"
    & skf21("6","4","5","3","3","4","7","1") = "6"
    & skf21("6","4","5","3","3","5","1","1") = "5"
    & skf21("6","4","5","3","3","5","2","1") = "5"
    & skf21("6","4","5","3","3","5","3","1") = "5"
    & skf21("6","4","5","3","3","5","4","1") = "5"
    & skf21("6","4","5","3","3","5","5","1") = "5"
    & skf21("6","4","5","3","3","5","6","1") = "5"
    & skf21("6","4","5","3","3","5","7","1") = "6"
    & skf21("6","4","5","3","3","6","1","1") = "5"
    & skf21("6","4","5","3","3","6","2","1") = "5"
    & skf21("6","4","5","3","3","6","3","1") = "5"
    & skf21("6","4","5","3","3","6","4","1") = "5"
    & skf21("6","4","5","3","3","6","5","1") = "5"
    & skf21("6","4","5","3","3","6","6","1") = "5"
    & skf21("6","4","5","3","3","6","7","1") = "6"
    & skf21("6","4","5","3","3","7","1","1") = "6"
    & skf21("6","4","5","3","3","7","2","1") = "6"
    & skf21("6","4","5","3","3","7","3","1") = "6"
    & skf21("6","4","5","3","3","7","4","1") = "6"
    & skf21("6","4","5","3","3","7","5","1") = "6"
    & skf21("6","4","5","3","3","7","6","1") = "6"
    & skf21("6","4","5","3","3","7","7","1") = "6"
    & skf21("6","4","5","3","4","1","1","1") = "5"
    & skf21("6","4","5","3","4","1","2","1") = "5"
    & skf21("6","4","5","3","4","1","3","1") = "5"
    & skf21("6","4","5","3","4","1","4","1") = "5"
    & skf21("6","4","5","3","4","1","5","1") = "5"
    & skf21("6","4","5","3","4","1","6","1") = "5"
    & skf21("6","4","5","3","4","1","7","1") = "6"
    & skf21("6","4","5","3","4","2","1","1") = "5"
    & skf21("6","4","5","3","4","2","2","1") = "5"
    & skf21("6","4","5","3","4","2","3","1") = "5"
    & skf21("6","4","5","3","4","2","4","1") = "5"
    & skf21("6","4","5","3","4","2","5","1") = "5"
    & skf21("6","4","5","3","4","2","6","1") = "5"
    & skf21("6","4","5","3","4","2","7","1") = "6"
    & skf21("6","4","5","3","4","3","1","1") = "5"
    & skf21("6","4","5","3","4","3","2","1") = "5"
    & skf21("6","4","5","3","4","3","3","1") = "5"
    & skf21("6","4","5","3","4","3","4","1") = "5"
    & skf21("6","4","5","3","4","3","5","1") = "5"
    & skf21("6","4","5","3","4","3","6","1") = "5"
    & skf21("6","4","5","3","4","3","7","1") = "6"
    & skf21("6","4","5","3","4","4","1","1") = "5"
    & skf21("6","4","5","3","4","4","2","1") = "5"
    & skf21("6","4","5","3","4","4","3","1") = "5"
    & skf21("6","4","5","3","4","4","4","1") = "5"
    & skf21("6","4","5","3","4","4","5","1") = "5"
    & skf21("6","4","5","3","4","4","6","1") = "5"
    & skf21("6","4","5","3","4","4","7","1") = "6"
    & skf21("6","4","5","3","4","5","1","1") = "5"
    & skf21("6","4","5","3","4","5","2","1") = "5"
    & skf21("6","4","5","3","4","5","3","1") = "5"
    & skf21("6","4","5","3","4","5","4","1") = "5"
    & skf21("6","4","5","3","4","5","5","1") = "5"
    & skf21("6","4","5","3","4","5","6","1") = "5"
    & skf21("6","4","5","3","4","5","7","1") = "6"
    & skf21("6","4","5","3","4","6","1","1") = "5"
    & skf21("6","4","5","3","4","6","2","1") = "5"
    & skf21("6","4","5","3","4","6","3","1") = "5"
    & skf21("6","4","5","3","4","6","4","1") = "5"
    & skf21("6","4","5","3","4","6","5","1") = "5"
    & skf21("6","4","5","3","4","6","6","1") = "5"
    & skf21("6","4","5","3","4","6","7","1") = "6"
    & skf21("6","4","5","3","4","7","1","1") = "6"
    & skf21("6","4","5","3","4","7","2","1") = "6"
    & skf21("6","4","5","3","4","7","3","1") = "6"
    & skf21("6","4","5","3","4","7","4","1") = "6"
    & skf21("6","4","5","3","4","7","5","1") = "6"
    & skf21("6","4","5","3","4","7","6","1") = "6"
    & skf21("6","4","5","3","4","7","7","1") = "6"
    & skf21("6","4","5","3","5","1","1","1") = "5"
    & skf21("6","4","5","3","5","1","2","1") = "5"
    & skf21("6","4","5","3","5","1","3","1") = "5"
    & skf21("6","4","5","3","5","1","4","1") = "5"
    & skf21("6","4","5","3","5","1","5","1") = "5"
    & skf21("6","4","5","3","5","1","6","1") = "5"
    & skf21("6","4","5","3","5","1","7","1") = "6"
    & skf21("6","4","5","3","5","2","1","1") = "5"
    & skf21("6","4","5","3","5","2","2","1") = "5"
    & skf21("6","4","5","3","5","2","3","1") = "5"
    & skf21("6","4","5","3","5","2","4","1") = "5"
    & skf21("6","4","5","3","5","2","5","1") = "5"
    & skf21("6","4","5","3","5","2","6","1") = "5"
    & skf21("6","4","5","3","5","2","7","1") = "6"
    & skf21("6","4","5","3","5","3","1","1") = "5"
    & skf21("6","4","5","3","5","3","2","1") = "5"
    & skf21("6","4","5","3","5","3","3","1") = "5"
    & skf21("6","4","5","3","5","3","4","1") = "5"
    & skf21("6","4","5","3","5","3","5","1") = "5"
    & skf21("6","4","5","3","5","3","6","1") = "5"
    & skf21("6","4","5","3","5","3","7","1") = "6"
    & skf21("6","4","5","3","5","4","1","1") = "5"
    & skf21("6","4","5","3","5","4","2","1") = "5"
    & skf21("6","4","5","3","5","4","3","1") = "5"
    & skf21("6","4","5","3","5","4","4","1") = "5"
    & skf21("6","4","5","3","5","4","5","1") = "5"
    & skf21("6","4","5","3","5","4","6","1") = "5"
    & skf21("6","4","5","3","5","4","7","1") = "6"
    & skf21("6","4","5","3","5","5","1","1") = "5"
    & skf21("6","4","5","3","5","5","2","1") = "5"
    & skf21("6","4","5","3","5","5","3","1") = "5"
    & skf21("6","4","5","3","5","5","4","1") = "5"
    & skf21("6","4","5","3","5","5","5","1") = "5"
    & skf21("6","4","5","3","5","5","6","1") = "5"
    & skf21("6","4","5","3","5","5","7","1") = "6"
    & skf21("6","4","5","3","5","6","1","1") = "5"
    & skf21("6","4","5","3","5","6","2","1") = "5"
    & skf21("6","4","5","3","5","6","3","1") = "5"
    & skf21("6","4","5","3","5","6","4","1") = "5"
    & skf21("6","4","5","3","5","6","5","1") = "5"
    & skf21("6","4","5","3","5","6","6","1") = "5"
    & skf21("6","4","5","3","5","6","7","1") = "6"
    & skf21("6","4","5","3","5","7","1","1") = "6"
    & skf21("6","4","5","3","5","7","2","1") = "6"
    & skf21("6","4","5","3","5","7","3","1") = "6"
    & skf21("6","4","5","3","5","7","4","1") = "6"
    & skf21("6","4","5","3","5","7","5","1") = "6"
    & skf21("6","4","5","3","5","7","6","1") = "6"
    & skf21("6","4","5","3","5","7","7","1") = "6"
    & skf21("6","4","5","3","6","1","1","1") = "5"
    & skf21("6","4","5","3","6","1","2","1") = "5"
    & skf21("6","4","5","3","6","1","3","1") = "5"
    & skf21("6","4","5","3","6","1","4","1") = "5"
    & skf21("6","4","5","3","6","1","5","1") = "5"
    & skf21("6","4","5","3","6","1","6","1") = "5"
    & skf21("6","4","5","3","6","1","7","1") = "6"
    & skf21("6","4","5","3","6","2","1","1") = "5"
    & skf21("6","4","5","3","6","2","2","1") = "5"
    & skf21("6","4","5","3","6","2","3","1") = "5"
    & skf21("6","4","5","3","6","2","4","1") = "5"
    & skf21("6","4","5","3","6","2","5","1") = "5"
    & skf21("6","4","5","3","6","2","6","1") = "5"
    & skf21("6","4","5","3","6","2","7","1") = "6"
    & skf21("6","4","5","3","6","3","1","1") = "5"
    & skf21("6","4","5","3","6","3","2","1") = "5"
    & skf21("6","4","5","3","6","3","3","1") = "5"
    & skf21("6","4","5","3","6","3","4","1") = "5"
    & skf21("6","4","5","3","6","3","5","1") = "5"
    & skf21("6","4","5","3","6","3","6","1") = "5"
    & skf21("6","4","5","3","6","3","7","1") = "6"
    & skf21("6","4","5","3","6","4","1","1") = "5"
    & skf21("6","4","5","3","6","4","2","1") = "5"
    & skf21("6","4","5","3","6","4","3","1") = "5"
    & skf21("6","4","5","3","6","4","4","1") = "5"
    & skf21("6","4","5","3","6","4","5","1") = "5"
    & skf21("6","4","5","3","6","4","6","1") = "5"
    & skf21("6","4","5","3","6","4","7","1") = "6"
    & skf21("6","4","5","3","6","5","1","1") = "5"
    & skf21("6","4","5","3","6","5","2","1") = "5"
    & skf21("6","4","5","3","6","5","3","1") = "5"
    & skf21("6","4","5","3","6","5","4","1") = "5"
    & skf21("6","4","5","3","6","5","5","1") = "5"
    & skf21("6","4","5","3","6","5","6","1") = "5"
    & skf21("6","4","5","3","6","5","7","1") = "6"
    & skf21("6","4","5","3","6","6","1","1") = "5"
    & skf21("6","4","5","3","6","6","2","1") = "5"
    & skf21("6","4","5","3","6","6","3","1") = "5"
    & skf21("6","4","5","3","6","6","4","1") = "5"
    & skf21("6","4","5","3","6","6","5","1") = "5"
    & skf21("6","4","5","3","6","6","6","1") = "5"
    & skf21("6","4","5","3","6","6","7","1") = "6"
    & skf21("6","4","5","3","6","7","1","1") = "6"
    & skf21("6","4","5","3","6","7","2","1") = "6"
    & skf21("6","4","5","3","6","7","3","1") = "6"
    & skf21("6","4","5","3","6","7","4","1") = "6"
    & skf21("6","4","5","3","6","7","5","1") = "6"
    & skf21("6","4","5","3","6","7","6","1") = "6"
    & skf21("6","4","5","3","6","7","7","1") = "6"
    & skf21("6","4","5","3","7","1","1","1") = "6"
    & skf21("6","4","5","3","7","1","2","1") = "6"
    & skf21("6","4","5","3","7","1","3","1") = "6"
    & skf21("6","4","5","3","7","1","4","1") = "6"
    & skf21("6","4","5","3","7","1","5","1") = "6"
    & skf21("6","4","5","3","7","1","6","1") = "6"
    & skf21("6","4","5","3","7","1","7","1") = "6"
    & skf21("6","4","5","3","7","2","1","1") = "6"
    & skf21("6","4","5","3","7","2","2","1") = "6"
    & skf21("6","4","5","3","7","2","3","1") = "6"
    & skf21("6","4","5","3","7","2","4","1") = "6"
    & skf21("6","4","5","3","7","2","5","1") = "6"
    & skf21("6","4","5","3","7","2","6","1") = "6"
    & skf21("6","4","5","3","7","2","7","1") = "6"
    & skf21("6","4","5","3","7","3","1","1") = "6"
    & skf21("6","4","5","3","7","3","2","1") = "6"
    & skf21("6","4","5","3","7","3","3","1") = "6"
    & skf21("6","4","5","3","7","3","4","1") = "6"
    & skf21("6","4","5","3","7","3","5","1") = "6"
    & skf21("6","4","5","3","7","3","6","1") = "6"
    & skf21("6","4","5","3","7","3","7","1") = "6"
    & skf21("6","4","5","3","7","4","1","1") = "6"
    & skf21("6","4","5","3","7","4","2","1") = "6"
    & skf21("6","4","5","3","7","4","3","1") = "6"
    & skf21("6","4","5","3","7","4","4","1") = "6"
    & skf21("6","4","5","3","7","4","5","1") = "6"
    & skf21("6","4","5","3","7","4","6","1") = "6"
    & skf21("6","4","5","3","7","4","7","1") = "6"
    & skf21("6","4","5","3","7","5","1","1") = "6"
    & skf21("6","4","5","3","7","5","2","1") = "6"
    & skf21("6","4","5","3","7","5","3","1") = "6"
    & skf21("6","4","5","3","7","5","4","1") = "6"
    & skf21("6","4","5","3","7","5","5","1") = "6"
    & skf21("6","4","5","3","7","5","6","1") = "6"
    & skf21("6","4","5","3","7","5","7","1") = "6"
    & skf21("6","4","5","3","7","6","1","1") = "6"
    & skf21("6","4","5","3","7","6","2","1") = "6"
    & skf21("6","4","5","3","7","6","3","1") = "6"
    & skf21("6","4","5","3","7","6","4","1") = "6"
    & skf21("6","4","5","3","7","6","5","1") = "6"
    & skf21("6","4","5","3","7","6","6","1") = "6"
    & skf21("6","4","5","3","7","6","7","1") = "6"
    & skf21("6","4","5","3","7","7","1","1") = "6"
    & skf21("6","4","5","3","7","7","2","1") = "6"
    & skf21("6","4","5","3","7","7","3","1") = "6"
    & skf21("6","4","5","3","7","7","4","1") = "6"
    & skf21("6","4","5","3","7","7","5","1") = "6"
    & skf21("6","4","5","3","7","7","6","1") = "6"
    & skf21("6","4","5","3","7","7","7","1") = "6"
    & skf21("6","4","5","4","1","1","1","1") = "5"
    & skf21("6","4","5","4","1","1","2","1") = "5"
    & skf21("6","4","5","4","1","1","3","1") = "5"
    & skf21("6","4","5","4","1","1","4","1") = "5"
    & skf21("6","4","5","4","1","1","5","1") = "5"
    & skf21("6","4","5","4","1","1","6","1") = "5"
    & skf21("6","4","5","4","1","1","7","1") = "6"
    & skf21("6","4","5","4","1","2","1","1") = "5"
    & skf21("6","4","5","4","1","2","2","1") = "5"
    & skf21("6","4","5","4","1","2","3","1") = "5"
    & skf21("6","4","5","4","1","2","4","1") = "5"
    & skf21("6","4","5","4","1","2","5","1") = "5"
    & skf21("6","4","5","4","1","2","6","1") = "5"
    & skf21("6","4","5","4","1","2","7","1") = "6"
    & skf21("6","4","5","4","1","3","1","1") = "5"
    & skf21("6","4","5","4","1","3","2","1") = "5"
    & skf21("6","4","5","4","1","3","3","1") = "5"
    & skf21("6","4","5","4","1","3","4","1") = "5"
    & skf21("6","4","5","4","1","3","5","1") = "5"
    & skf21("6","4","5","4","1","3","6","1") = "5"
    & skf21("6","4","5","4","1","3","7","1") = "6"
    & skf21("6","4","5","4","1","4","1","1") = "5"
    & skf21("6","4","5","4","1","4","2","1") = "5"
    & skf21("6","4","5","4","1","4","3","1") = "5"
    & skf21("6","4","5","4","1","4","4","1") = "5"
    & skf21("6","4","5","4","1","4","5","1") = "5"
    & skf21("6","4","5","4","1","4","6","1") = "5"
    & skf21("6","4","5","4","1","4","7","1") = "6"
    & skf21("6","4","5","4","1","5","1","1") = "5"
    & skf21("6","4","5","4","1","5","2","1") = "5"
    & skf21("6","4","5","4","1","5","3","1") = "5"
    & skf21("6","4","5","4","1","5","4","1") = "5"
    & skf21("6","4","5","4","1","5","5","1") = "5"
    & skf21("6","4","5","4","1","5","6","1") = "5"
    & skf21("6","4","5","4","1","5","7","1") = "6"
    & skf21("6","4","5","4","1","6","1","1") = "5"
    & skf21("6","4","5","4","1","6","2","1") = "5"
    & skf21("6","4","5","4","1","6","3","1") = "5"
    & skf21("6","4","5","4","1","6","4","1") = "5"
    & skf21("6","4","5","4","1","6","5","1") = "5"
    & skf21("6","4","5","4","1","6","6","1") = "5"
    & skf21("6","4","5","4","1","6","7","1") = "6"
    & skf21("6","4","5","4","1","7","1","1") = "6"
    & skf21("6","4","5","4","1","7","2","1") = "6"
    & skf21("6","4","5","4","1","7","3","1") = "6"
    & skf21("6","4","5","4","1","7","4","1") = "6"
    & skf21("6","4","5","4","1","7","5","1") = "6"
    & skf21("6","4","5","4","1","7","6","1") = "6"
    & skf21("6","4","5","4","1","7","7","1") = "6"
    & skf21("6","4","5","4","2","1","1","1") = "5"
    & skf21("6","4","5","4","2","1","2","1") = "5"
    & skf21("6","4","5","4","2","1","3","1") = "5"
    & skf21("6","4","5","4","2","1","4","1") = "5"
    & skf21("6","4","5","4","2","1","5","1") = "5"
    & skf21("6","4","5","4","2","1","6","1") = "5"
    & skf21("6","4","5","4","2","1","7","1") = "6"
    & skf21("6","4","5","4","2","2","1","1") = "5"
    & skf21("6","4","5","4","2","2","2","1") = "5"
    & skf21("6","4","5","4","2","2","3","1") = "5"
    & skf21("6","4","5","4","2","2","4","1") = "5"
    & skf21("6","4","5","4","2","2","5","1") = "5"
    & skf21("6","4","5","4","2","2","6","1") = "5"
    & skf21("6","4","5","4","2","2","7","1") = "6"
    & skf21("6","4","5","4","2","3","1","1") = "5"
    & skf21("6","4","5","4","2","3","2","1") = "5"
    & skf21("6","4","5","4","2","3","3","1") = "5"
    & skf21("6","4","5","4","2","3","4","1") = "5"
    & skf21("6","4","5","4","2","3","5","1") = "5"
    & skf21("6","4","5","4","2","3","6","1") = "5"
    & skf21("6","4","5","4","2","3","7","1") = "6"
    & skf21("6","4","5","4","2","4","1","1") = "5"
    & skf21("6","4","5","4","2","4","2","1") = "5"
    & skf21("6","4","5","4","2","4","3","1") = "5"
    & skf21("6","4","5","4","2","4","4","1") = "5"
    & skf21("6","4","5","4","2","4","5","1") = "5"
    & skf21("6","4","5","4","2","4","6","1") = "5"
    & skf21("6","4","5","4","2","4","7","1") = "6"
    & skf21("6","4","5","4","2","5","1","1") = "5"
    & skf21("6","4","5","4","2","5","2","1") = "5"
    & skf21("6","4","5","4","2","5","3","1") = "5"
    & skf21("6","4","5","4","2","5","4","1") = "5"
    & skf21("6","4","5","4","2","5","5","1") = "5"
    & skf21("6","4","5","4","2","5","6","1") = "5"
    & skf21("6","4","5","4","2","5","7","1") = "6"
    & skf21("6","4","5","4","2","6","1","1") = "5"
    & skf21("6","4","5","4","2","6","2","1") = "5"
    & skf21("6","4","5","4","2","6","3","1") = "5"
    & skf21("6","4","5","4","2","6","4","1") = "5"
    & skf21("6","4","5","4","2","6","5","1") = "5"
    & skf21("6","4","5","4","2","6","6","1") = "5"
    & skf21("6","4","5","4","2","6","7","1") = "6"
    & skf21("6","4","5","4","2","7","1","1") = "6"
    & skf21("6","4","5","4","2","7","2","1") = "6"
    & skf21("6","4","5","4","2","7","3","1") = "6"
    & skf21("6","4","5","4","2","7","4","1") = "6"
    & skf21("6","4","5","4","2","7","5","1") = "6"
    & skf21("6","4","5","4","2","7","6","1") = "6"
    & skf21("6","4","5","4","2","7","7","1") = "6"
    & skf21("6","4","5","4","3","1","1","1") = "5"
    & skf21("6","4","5","4","3","1","2","1") = "5"
    & skf21("6","4","5","4","3","1","3","1") = "5"
    & skf21("6","4","5","4","3","1","4","1") = "5"
    & skf21("6","4","5","4","3","1","5","1") = "5"
    & skf21("6","4","5","4","3","1","6","1") = "5"
    & skf21("6","4","5","4","3","1","7","1") = "6"
    & skf21("6","4","5","4","3","2","1","1") = "5"
    & skf21("6","4","5","4","3","2","2","1") = "5"
    & skf21("6","4","5","4","3","2","3","1") = "5"
    & skf21("6","4","5","4","3","2","4","1") = "5"
    & skf21("6","4","5","4","3","2","5","1") = "5"
    & skf21("6","4","5","4","3","2","6","1") = "5"
    & skf21("6","4","5","4","3","2","7","1") = "6"
    & skf21("6","4","5","4","3","3","1","1") = "5"
    & skf21("6","4","5","4","3","3","2","1") = "5"
    & skf21("6","4","5","4","3","3","3","1") = "5"
    & skf21("6","4","5","4","3","3","4","1") = "5"
    & skf21("6","4","5","4","3","3","5","1") = "5"
    & skf21("6","4","5","4","3","3","6","1") = "5"
    & skf21("6","4","5","4","3","3","7","1") = "6"
    & skf21("6","4","5","4","3","4","1","1") = "5"
    & skf21("6","4","5","4","3","4","2","1") = "5"
    & skf21("6","4","5","4","3","4","3","1") = "5"
    & skf21("6","4","5","4","3","4","4","1") = "5"
    & skf21("6","4","5","4","3","4","5","1") = "5"
    & skf21("6","4","5","4","3","4","6","1") = "5"
    & skf21("6","4","5","4","3","4","7","1") = "6"
    & skf21("6","4","5","4","3","5","1","1") = "5"
    & skf21("6","4","5","4","3","5","2","1") = "5"
    & skf21("6","4","5","4","3","5","3","1") = "5"
    & skf21("6","4","5","4","3","5","4","1") = "5"
    & skf21("6","4","5","4","3","5","5","1") = "5"
    & skf21("6","4","5","4","3","5","6","1") = "5"
    & skf21("6","4","5","4","3","5","7","1") = "6"
    & skf21("6","4","5","4","3","6","1","1") = "5"
    & skf21("6","4","5","4","3","6","2","1") = "5"
    & skf21("6","4","5","4","3","6","3","1") = "5"
    & skf21("6","4","5","4","3","6","4","1") = "5"
    & skf21("6","4","5","4","3","6","5","1") = "5"
    & skf21("6","4","5","4","3","6","6","1") = "5"
    & skf21("6","4","5","4","3","6","7","1") = "6"
    & skf21("6","4","5","4","3","7","1","1") = "6"
    & skf21("6","4","5","4","3","7","2","1") = "6"
    & skf21("6","4","5","4","3","7","3","1") = "6"
    & skf21("6","4","5","4","3","7","4","1") = "6"
    & skf21("6","4","5","4","3","7","5","1") = "6"
    & skf21("6","4","5","4","3","7","6","1") = "6"
    & skf21("6","4","5","4","3","7","7","1") = "6"
    & skf21("6","4","5","4","4","1","1","1") = "5"
    & skf21("6","4","5","4","4","1","2","1") = "5"
    & skf21("6","4","5","4","4","1","3","1") = "5"
    & skf21("6","4","5","4","4","1","4","1") = "5"
    & skf21("6","4","5","4","4","1","5","1") = "5"
    & skf21("6","4","5","4","4","1","6","1") = "5"
    & skf21("6","4","5","4","4","1","7","1") = "6"
    & skf21("6","4","5","4","4","2","1","1") = "5"
    & skf21("6","4","5","4","4","2","2","1") = "5"
    & skf21("6","4","5","4","4","2","3","1") = "5"
    & skf21("6","4","5","4","4","2","4","1") = "5"
    & skf21("6","4","5","4","4","2","5","1") = "5"
    & skf21("6","4","5","4","4","2","6","1") = "5"
    & skf21("6","4","5","4","4","2","7","1") = "6"
    & skf21("6","4","5","4","4","3","1","1") = "5"
    & skf21("6","4","5","4","4","3","2","1") = "5"
    & skf21("6","4","5","4","4","3","3","1") = "5"
    & skf21("6","4","5","4","4","3","4","1") = "5"
    & skf21("6","4","5","4","4","3","5","1") = "5"
    & skf21("6","4","5","4","4","3","6","1") = "5"
    & skf21("6","4","5","4","4","3","7","1") = "6"
    & skf21("6","4","5","4","4","4","1","1") = "5"
    & skf21("6","4","5","4","4","4","2","1") = "5"
    & skf21("6","4","5","4","4","4","3","1") = "5"
    & skf21("6","4","5","4","4","4","4","1") = "5"
    & skf21("6","4","5","4","4","4","5","1") = "5"
    & skf21("6","4","5","4","4","4","6","1") = "5"
    & skf21("6","4","5","4","4","4","7","1") = "6"
    & skf21("6","4","5","4","4","5","1","1") = "5"
    & skf21("6","4","5","4","4","5","2","1") = "5"
    & skf21("6","4","5","4","4","5","3","1") = "5"
    & skf21("6","4","5","4","4","5","4","1") = "5"
    & skf21("6","4","5","4","4","5","5","1") = "5"
    & skf21("6","4","5","4","4","5","6","1") = "5"
    & skf21("6","4","5","4","4","5","7","1") = "6"
    & skf21("6","4","5","4","4","6","1","1") = "5"
    & skf21("6","4","5","4","4","6","2","1") = "5"
    & skf21("6","4","5","4","4","6","3","1") = "5"
    & skf21("6","4","5","4","4","6","4","1") = "5"
    & skf21("6","4","5","4","4","6","5","1") = "5"
    & skf21("6","4","5","4","4","6","6","1") = "5"
    & skf21("6","4","5","4","4","6","7","1") = "6"
    & skf21("6","4","5","4","4","7","1","1") = "6"
    & skf21("6","4","5","4","4","7","2","1") = "6"
    & skf21("6","4","5","4","4","7","3","1") = "6"
    & skf21("6","4","5","4","4","7","4","1") = "6"
    & skf21("6","4","5","4","4","7","5","1") = "6"
    & skf21("6","4","5","4","4","7","6","1") = "6"
    & skf21("6","4","5","4","4","7","7","1") = "6"
    & skf21("6","4","5","4","5","1","1","1") = "5"
    & skf21("6","4","5","4","5","1","2","1") = "5"
    & skf21("6","4","5","4","5","1","3","1") = "5"
    & skf21("6","4","5","4","5","1","4","1") = "5"
    & skf21("6","4","5","4","5","1","5","1") = "5"
    & skf21("6","4","5","4","5","1","6","1") = "5"
    & skf21("6","4","5","4","5","1","7","1") = "6"
    & skf21("6","4","5","4","5","2","1","1") = "5"
    & skf21("6","4","5","4","5","2","2","1") = "5"
    & skf21("6","4","5","4","5","2","3","1") = "5"
    & skf21("6","4","5","4","5","2","4","1") = "5"
    & skf21("6","4","5","4","5","2","5","1") = "5"
    & skf21("6","4","5","4","5","2","6","1") = "5"
    & skf21("6","4","5","4","5","2","7","1") = "6"
    & skf21("6","4","5","4","5","3","1","1") = "5"
    & skf21("6","4","5","4","5","3","2","1") = "5"
    & skf21("6","4","5","4","5","3","3","1") = "5"
    & skf21("6","4","5","4","5","3","4","1") = "5"
    & skf21("6","4","5","4","5","3","5","1") = "5"
    & skf21("6","4","5","4","5","3","6","1") = "5"
    & skf21("6","4","5","4","5","3","7","1") = "6"
    & skf21("6","4","5","4","5","4","1","1") = "5"
    & skf21("6","4","5","4","5","4","2","1") = "5"
    & skf21("6","4","5","4","5","4","3","1") = "5"
    & skf21("6","4","5","4","5","4","4","1") = "5"
    & skf21("6","4","5","4","5","4","5","1") = "5"
    & skf21("6","4","5","4","5","4","6","1") = "5"
    & skf21("6","4","5","4","5","4","7","1") = "6"
    & skf21("6","4","5","4","5","5","1","1") = "5"
    & skf21("6","4","5","4","5","5","2","1") = "5"
    & skf21("6","4","5","4","5","5","3","1") = "5"
    & skf21("6","4","5","4","5","5","4","1") = "5"
    & skf21("6","4","5","4","5","5","5","1") = "5"
    & skf21("6","4","5","4","5","5","6","1") = "5"
    & skf21("6","4","5","4","5","5","7","1") = "6"
    & skf21("6","4","5","4","5","6","1","1") = "5"
    & skf21("6","4","5","4","5","6","2","1") = "5"
    & skf21("6","4","5","4","5","6","3","1") = "5"
    & skf21("6","4","5","4","5","6","4","1") = "5"
    & skf21("6","4","5","4","5","6","5","1") = "5"
    & skf21("6","4","5","4","5","6","6","1") = "5"
    & skf21("6","4","5","4","5","6","7","1") = "6"
    & skf21("6","4","5","4","5","7","1","1") = "6"
    & skf21("6","4","5","4","5","7","2","1") = "6"
    & skf21("6","4","5","4","5","7","3","1") = "6"
    & skf21("6","4","5","4","5","7","4","1") = "6"
    & skf21("6","4","5","4","5","7","5","1") = "6"
    & skf21("6","4","5","4","5","7","6","1") = "6"
    & skf21("6","4","5","4","5","7","7","1") = "6"
    & skf21("6","4","5","4","6","1","1","1") = "5"
    & skf21("6","4","5","4","6","1","2","1") = "5"
    & skf21("6","4","5","4","6","1","3","1") = "5"
    & skf21("6","4","5","4","6","1","4","1") = "5"
    & skf21("6","4","5","4","6","1","5","1") = "5"
    & skf21("6","4","5","4","6","1","6","1") = "5"
    & skf21("6","4","5","4","6","1","7","1") = "6"
    & skf21("6","4","5","4","6","2","1","1") = "5"
    & skf21("6","4","5","4","6","2","2","1") = "5"
    & skf21("6","4","5","4","6","2","3","1") = "5"
    & skf21("6","4","5","4","6","2","4","1") = "5"
    & skf21("6","4","5","4","6","2","5","1") = "5"
    & skf21("6","4","5","4","6","2","6","1") = "5"
    & skf21("6","4","5","4","6","2","7","1") = "6"
    & skf21("6","4","5","4","6","3","1","1") = "5"
    & skf21("6","4","5","4","6","3","2","1") = "5"
    & skf21("6","4","5","4","6","3","3","1") = "5"
    & skf21("6","4","5","4","6","3","4","1") = "5"
    & skf21("6","4","5","4","6","3","5","1") = "5"
    & skf21("6","4","5","4","6","3","6","1") = "5"
    & skf21("6","4","5","4","6","3","7","1") = "6"
    & skf21("6","4","5","4","6","4","1","1") = "5"
    & skf21("6","4","5","4","6","4","2","1") = "5"
    & skf21("6","4","5","4","6","4","3","1") = "5"
    & skf21("6","4","5","4","6","4","4","1") = "5"
    & skf21("6","4","5","4","6","4","5","1") = "5"
    & skf21("6","4","5","4","6","4","6","1") = "5"
    & skf21("6","4","5","4","6","4","7","1") = "6"
    & skf21("6","4","5","4","6","5","1","1") = "5"
    & skf21("6","4","5","4","6","5","2","1") = "5"
    & skf21("6","4","5","4","6","5","3","1") = "5"
    & skf21("6","4","5","4","6","5","4","1") = "5"
    & skf21("6","4","5","4","6","5","5","1") = "5"
    & skf21("6","4","5","4","6","5","6","1") = "5"
    & skf21("6","4","5","4","6","5","7","1") = "6"
    & skf21("6","4","5","4","6","6","1","1") = "5"
    & skf21("6","4","5","4","6","6","2","1") = "5"
    & skf21("6","4","5","4","6","6","3","1") = "5"
    & skf21("6","4","5","4","6","6","4","1") = "5"
    & skf21("6","4","5","4","6","6","5","1") = "5"
    & skf21("6","4","5","4","6","6","6","1") = "5"
    & skf21("6","4","5","4","6","6","7","1") = "6"
    & skf21("6","4","5","4","6","7","1","1") = "6"
    & skf21("6","4","5","4","6","7","2","1") = "6"
    & skf21("6","4","5","4","6","7","3","1") = "6"
    & skf21("6","4","5","4","6","7","4","1") = "6"
    & skf21("6","4","5","4","6","7","5","1") = "6"
    & skf21("6","4","5","4","6","7","6","1") = "6"
    & skf21("6","4","5","4","6","7","7","1") = "6"
    & skf21("6","4","5","4","7","1","1","1") = "6"
    & skf21("6","4","5","4","7","1","2","1") = "6"
    & skf21("6","4","5","4","7","1","3","1") = "6"
    & skf21("6","4","5","4","7","1","4","1") = "6"
    & skf21("6","4","5","4","7","1","5","1") = "6"
    & skf21("6","4","5","4","7","1","6","1") = "6"
    & skf21("6","4","5","4","7","1","7","1") = "6"
    & skf21("6","4","5","4","7","2","1","1") = "6"
    & skf21("6","4","5","4","7","2","2","1") = "6"
    & skf21("6","4","5","4","7","2","3","1") = "6"
    & skf21("6","4","5","4","7","2","4","1") = "6"
    & skf21("6","4","5","4","7","2","5","1") = "6"
    & skf21("6","4","5","4","7","2","6","1") = "6"
    & skf21("6","4","5","4","7","2","7","1") = "6"
    & skf21("6","4","5","4","7","3","1","1") = "6"
    & skf21("6","4","5","4","7","3","2","1") = "6"
    & skf21("6","4","5","4","7","3","3","1") = "6"
    & skf21("6","4","5","4","7","3","4","1") = "6"
    & skf21("6","4","5","4","7","3","5","1") = "6"
    & skf21("6","4","5","4","7","3","6","1") = "6"
    & skf21("6","4","5","4","7","3","7","1") = "6"
    & skf21("6","4","5","4","7","4","1","1") = "6"
    & skf21("6","4","5","4","7","4","2","1") = "6"
    & skf21("6","4","5","4","7","4","3","1") = "6"
    & skf21("6","4","5","4","7","4","4","1") = "6"
    & skf21("6","4","5","4","7","4","5","1") = "6"
    & skf21("6","4","5","4","7","4","6","1") = "6"
    & skf21("6","4","5","4","7","4","7","1") = "6"
    & skf21("6","4","5","4","7","5","1","1") = "6"
    & skf21("6","4","5","4","7","5","2","1") = "6"
    & skf21("6","4","5","4","7","5","3","1") = "6"
    & skf21("6","4","5","4","7","5","4","1") = "6"
    & skf21("6","4","5","4","7","5","5","1") = "6"
    & skf21("6","4","5","4","7","5","6","1") = "6"
    & skf21("6","4","5","4","7","5","7","1") = "6"
    & skf21("6","4","5","4","7","6","1","1") = "6"
    & skf21("6","4","5","4","7","6","2","1") = "6"
    & skf21("6","4","5","4","7","6","3","1") = "6"
    & skf21("6","4","5","4","7","6","4","1") = "6"
    & skf21("6","4","5","4","7","6","5","1") = "6"
    & skf21("6","4","5","4","7","6","6","1") = "6"
    & skf21("6","4","5","4","7","6","7","1") = "6"
    & skf21("6","4","5","4","7","7","1","1") = "6"
    & skf21("6","4","5","4","7","7","2","1") = "6"
    & skf21("6","4","5","4","7","7","3","1") = "6"
    & skf21("6","4","5","4","7","7","4","1") = "6"
    & skf21("6","4","5","4","7","7","5","1") = "6"
    & skf21("6","4","5","4","7","7","6","1") = "6"
    & skf21("6","4","5","4","7","7","7","1") = "6"
    & skf21("6","4","5","5","1","1","1","1") = "5"
    & skf21("6","4","5","5","1","1","2","1") = "5"
    & skf21("6","4","5","5","1","1","3","1") = "5"
    & skf21("6","4","5","5","1","1","4","1") = "5"
    & skf21("6","4","5","5","1","1","5","1") = "5"
    & skf21("6","4","5","5","1","1","6","1") = "5"
    & skf21("6","4","5","5","1","1","7","1") = "6"
    & skf21("6","4","5","5","1","2","1","1") = "5"
    & skf21("6","4","5","5","1","2","2","1") = "5"
    & skf21("6","4","5","5","1","2","3","1") = "5"
    & skf21("6","4","5","5","1","2","4","1") = "5"
    & skf21("6","4","5","5","1","2","5","1") = "5"
    & skf21("6","4","5","5","1","2","6","1") = "5"
    & skf21("6","4","5","5","1","2","7","1") = "6"
    & skf21("6","4","5","5","1","3","1","1") = "5"
    & skf21("6","4","5","5","1","3","2","1") = "5"
    & skf21("6","4","5","5","1","3","3","1") = "5"
    & skf21("6","4","5","5","1","3","4","1") = "5"
    & skf21("6","4","5","5","1","3","5","1") = "5"
    & skf21("6","4","5","5","1","3","6","1") = "5"
    & skf21("6","4","5","5","1","3","7","1") = "6"
    & skf21("6","4","5","5","1","4","1","1") = "5"
    & skf21("6","4","5","5","1","4","2","1") = "5"
    & skf21("6","4","5","5","1","4","3","1") = "5"
    & skf21("6","4","5","5","1","4","4","1") = "5"
    & skf21("6","4","5","5","1","4","5","1") = "5"
    & skf21("6","4","5","5","1","4","6","1") = "5"
    & skf21("6","4","5","5","1","4","7","1") = "6"
    & skf21("6","4","5","5","1","5","1","1") = "5"
    & skf21("6","4","5","5","1","5","2","1") = "5"
    & skf21("6","4","5","5","1","5","3","1") = "5"
    & skf21("6","4","5","5","1","5","4","1") = "5"
    & skf21("6","4","5","5","1","5","5","1") = "5"
    & skf21("6","4","5","5","1","5","6","1") = "5"
    & skf21("6","4","5","5","1","5","7","1") = "6"
    & skf21("6","4","5","5","1","6","1","1") = "5"
    & skf21("6","4","5","5","1","6","2","1") = "5"
    & skf21("6","4","5","5","1","6","3","1") = "5"
    & skf21("6","4","5","5","1","6","4","1") = "5"
    & skf21("6","4","5","5","1","6","5","1") = "5"
    & skf21("6","4","5","5","1","6","6","1") = "5"
    & skf21("6","4","5","5","1","6","7","1") = "6"
    & skf21("6","4","5","5","1","7","1","1") = "6"
    & skf21("6","4","5","5","1","7","2","1") = "6"
    & skf21("6","4","5","5","1","7","3","1") = "6"
    & skf21("6","4","5","5","1","7","4","1") = "6"
    & skf21("6","4","5","5","1","7","5","1") = "6"
    & skf21("6","4","5","5","1","7","6","1") = "6"
    & skf21("6","4","5","5","1","7","7","1") = "6"
    & skf21("6","4","5","5","2","1","1","1") = "5"
    & skf21("6","4","5","5","2","1","2","1") = "5"
    & skf21("6","4","5","5","2","1","3","1") = "5"
    & skf21("6","4","5","5","2","1","4","1") = "5"
    & skf21("6","4","5","5","2","1","5","1") = "5"
    & skf21("6","4","5","5","2","1","6","1") = "5"
    & skf21("6","4","5","5","2","1","7","1") = "6"
    & skf21("6","4","5","5","2","2","1","1") = "5"
    & skf21("6","4","5","5","2","2","2","1") = "5"
    & skf21("6","4","5","5","2","2","3","1") = "5"
    & skf21("6","4","5","5","2","2","4","1") = "5"
    & skf21("6","4","5","5","2","2","5","1") = "5"
    & skf21("6","4","5","5","2","2","6","1") = "5"
    & skf21("6","4","5","5","2","2","7","1") = "6"
    & skf21("6","4","5","5","2","3","1","1") = "5"
    & skf21("6","4","5","5","2","3","2","1") = "5"
    & skf21("6","4","5","5","2","3","3","1") = "5"
    & skf21("6","4","5","5","2","3","4","1") = "5"
    & skf21("6","4","5","5","2","3","5","1") = "5"
    & skf21("6","4","5","5","2","3","6","1") = "5"
    & skf21("6","4","5","5","2","3","7","1") = "6"
    & skf21("6","4","5","5","2","4","1","1") = "5"
    & skf21("6","4","5","5","2","4","2","1") = "5"
    & skf21("6","4","5","5","2","4","3","1") = "5"
    & skf21("6","4","5","5","2","4","4","1") = "5"
    & skf21("6","4","5","5","2","4","5","1") = "5"
    & skf21("6","4","5","5","2","4","6","1") = "5"
    & skf21("6","4","5","5","2","4","7","1") = "6"
    & skf21("6","4","5","5","2","5","1","1") = "5"
    & skf21("6","4","5","5","2","5","2","1") = "5"
    & skf21("6","4","5","5","2","5","3","1") = "5"
    & skf21("6","4","5","5","2","5","4","1") = "5"
    & skf21("6","4","5","5","2","5","5","1") = "5"
    & skf21("6","4","5","5","2","5","6","1") = "5"
    & skf21("6","4","5","5","2","5","7","1") = "6"
    & skf21("6","4","5","5","2","6","1","1") = "5"
    & skf21("6","4","5","5","2","6","2","1") = "5"
    & skf21("6","4","5","5","2","6","3","1") = "5"
    & skf21("6","4","5","5","2","6","4","1") = "5"
    & skf21("6","4","5","5","2","6","5","1") = "5"
    & skf21("6","4","5","5","2","6","6","1") = "5"
    & skf21("6","4","5","5","2","6","7","1") = "6"
    & skf21("6","4","5","5","2","7","1","1") = "6"
    & skf21("6","4","5","5","2","7","2","1") = "6"
    & skf21("6","4","5","5","2","7","3","1") = "6"
    & skf21("6","4","5","5","2","7","4","1") = "6"
    & skf21("6","4","5","5","2","7","5","1") = "6"
    & skf21("6","4","5","5","2","7","6","1") = "6"
    & skf21("6","4","5","5","2","7","7","1") = "6"
    & skf21("6","4","5","5","3","1","1","1") = "5"
    & skf21("6","4","5","5","3","1","2","1") = "5"
    & skf21("6","4","5","5","3","1","3","1") = "5"
    & skf21("6","4","5","5","3","1","4","1") = "5"
    & skf21("6","4","5","5","3","1","5","1") = "5"
    & skf21("6","4","5","5","3","1","6","1") = "5"
    & skf21("6","4","5","5","3","1","7","1") = "6"
    & skf21("6","4","5","5","3","2","1","1") = "5"
    & skf21("6","4","5","5","3","2","2","1") = "5"
    & skf21("6","4","5","5","3","2","3","1") = "5"
    & skf21("6","4","5","5","3","2","4","1") = "5"
    & skf21("6","4","5","5","3","2","5","1") = "5"
    & skf21("6","4","5","5","3","2","6","1") = "5"
    & skf21("6","4","5","5","3","2","7","1") = "6"
    & skf21("6","4","5","5","3","3","1","1") = "5"
    & skf21("6","4","5","5","3","3","2","1") = "5"
    & skf21("6","4","5","5","3","3","3","1") = "5"
    & skf21("6","4","5","5","3","3","4","1") = "5"
    & skf21("6","4","5","5","3","3","5","1") = "5"
    & skf21("6","4","5","5","3","3","6","1") = "5"
    & skf21("6","4","5","5","3","3","7","1") = "6"
    & skf21("6","4","5","5","3","4","1","1") = "5"
    & skf21("6","4","5","5","3","4","2","1") = "5"
    & skf21("6","4","5","5","3","4","3","1") = "5"
    & skf21("6","4","5","5","3","4","4","1") = "5"
    & skf21("6","4","5","5","3","4","5","1") = "5"
    & skf21("6","4","5","5","3","4","6","1") = "5"
    & skf21("6","4","5","5","3","4","7","1") = "6"
    & skf21("6","4","5","5","3","5","1","1") = "5"
    & skf21("6","4","5","5","3","5","2","1") = "5"
    & skf21("6","4","5","5","3","5","3","1") = "5"
    & skf21("6","4","5","5","3","5","4","1") = "5"
    & skf21("6","4","5","5","3","5","5","1") = "5"
    & skf21("6","4","5","5","3","5","6","1") = "5"
    & skf21("6","4","5","5","3","5","7","1") = "6"
    & skf21("6","4","5","5","3","6","1","1") = "5"
    & skf21("6","4","5","5","3","6","2","1") = "5"
    & skf21("6","4","5","5","3","6","3","1") = "5"
    & skf21("6","4","5","5","3","6","4","1") = "5"
    & skf21("6","4","5","5","3","6","5","1") = "5"
    & skf21("6","4","5","5","3","6","6","1") = "5"
    & skf21("6","4","5","5","3","6","7","1") = "6"
    & skf21("6","4","5","5","3","7","1","1") = "6"
    & skf21("6","4","5","5","3","7","2","1") = "6"
    & skf21("6","4","5","5","3","7","3","1") = "6"
    & skf21("6","4","5","5","3","7","4","1") = "6"
    & skf21("6","4","5","5","3","7","5","1") = "6"
    & skf21("6","4","5","5","3","7","6","1") = "6"
    & skf21("6","4","5","5","3","7","7","1") = "6"
    & skf21("6","4","5","5","4","1","1","1") = "5"
    & skf21("6","4","5","5","4","1","2","1") = "5"
    & skf21("6","4","5","5","4","1","3","1") = "5"
    & skf21("6","4","5","5","4","1","4","1") = "5"
    & skf21("6","4","5","5","4","1","5","1") = "5"
    & skf21("6","4","5","5","4","1","6","1") = "5"
    & skf21("6","4","5","5","4","1","7","1") = "6"
    & skf21("6","4","5","5","4","2","1","1") = "5"
    & skf21("6","4","5","5","4","2","2","1") = "5"
    & skf21("6","4","5","5","4","2","3","1") = "5"
    & skf21("6","4","5","5","4","2","4","1") = "5"
    & skf21("6","4","5","5","4","2","5","1") = "5"
    & skf21("6","4","5","5","4","2","6","1") = "5"
    & skf21("6","4","5","5","4","2","7","1") = "6"
    & skf21("6","4","5","5","4","3","1","1") = "5"
    & skf21("6","4","5","5","4","3","2","1") = "5"
    & skf21("6","4","5","5","4","3","3","1") = "5"
    & skf21("6","4","5","5","4","3","4","1") = "5"
    & skf21("6","4","5","5","4","3","5","1") = "5"
    & skf21("6","4","5","5","4","3","6","1") = "5"
    & skf21("6","4","5","5","4","3","7","1") = "6"
    & skf21("6","4","5","5","4","4","1","1") = "5"
    & skf21("6","4","5","5","4","4","2","1") = "5"
    & skf21("6","4","5","5","4","4","3","1") = "5"
    & skf21("6","4","5","5","4","4","4","1") = "5"
    & skf21("6","4","5","5","4","4","5","1") = "5"
    & skf21("6","4","5","5","4","4","6","1") = "5"
    & skf21("6","4","5","5","4","4","7","1") = "6"
    & skf21("6","4","5","5","4","5","1","1") = "5"
    & skf21("6","4","5","5","4","5","2","1") = "5"
    & skf21("6","4","5","5","4","5","3","1") = "5"
    & skf21("6","4","5","5","4","5","4","1") = "5"
    & skf21("6","4","5","5","4","5","5","1") = "5"
    & skf21("6","4","5","5","4","5","6","1") = "5"
    & skf21("6","4","5","5","4","5","7","1") = "6"
    & skf21("6","4","5","5","4","6","1","1") = "5"
    & skf21("6","4","5","5","4","6","2","1") = "5"
    & skf21("6","4","5","5","4","6","3","1") = "5"
    & skf21("6","4","5","5","4","6","4","1") = "5"
    & skf21("6","4","5","5","4","6","5","1") = "5"
    & skf21("6","4","5","5","4","6","6","1") = "5"
    & skf21("6","4","5","5","4","6","7","1") = "6"
    & skf21("6","4","5","5","4","7","1","1") = "6"
    & skf21("6","4","5","5","4","7","2","1") = "6"
    & skf21("6","4","5","5","4","7","3","1") = "6"
    & skf21("6","4","5","5","4","7","4","1") = "6"
    & skf21("6","4","5","5","4","7","5","1") = "6"
    & skf21("6","4","5","5","4","7","6","1") = "6"
    & skf21("6","4","5","5","4","7","7","1") = "6"
    & skf21("6","4","5","5","5","1","1","1") = "5"
    & skf21("6","4","5","5","5","1","2","1") = "5"
    & skf21("6","4","5","5","5","1","3","1") = "5"
    & skf21("6","4","5","5","5","1","4","1") = "5"
    & skf21("6","4","5","5","5","1","5","1") = "5"
    & skf21("6","4","5","5","5","1","6","1") = "5"
    & skf21("6","4","5","5","5","1","7","1") = "6"
    & skf21("6","4","5","5","5","2","1","1") = "5"
    & skf21("6","4","5","5","5","2","2","1") = "5"
    & skf21("6","4","5","5","5","2","3","1") = "5"
    & skf21("6","4","5","5","5","2","4","1") = "5"
    & skf21("6","4","5","5","5","2","5","1") = "5"
    & skf21("6","4","5","5","5","2","6","1") = "5"
    & skf21("6","4","5","5","5","2","7","1") = "6"
    & skf21("6","4","5","5","5","3","1","1") = "5"
    & skf21("6","4","5","5","5","3","2","1") = "5"
    & skf21("6","4","5","5","5","3","3","1") = "5"
    & skf21("6","4","5","5","5","3","4","1") = "5"
    & skf21("6","4","5","5","5","3","5","1") = "5"
    & skf21("6","4","5","5","5","3","6","1") = "5"
    & skf21("6","4","5","5","5","3","7","1") = "6"
    & skf21("6","4","5","5","5","4","1","1") = "5"
    & skf21("6","4","5","5","5","4","2","1") = "5"
    & skf21("6","4","5","5","5","4","3","1") = "5"
    & skf21("6","4","5","5","5","4","4","1") = "5"
    & skf21("6","4","5","5","5","4","5","1") = "5"
    & skf21("6","4","5","5","5","4","6","1") = "5"
    & skf21("6","4","5","5","5","4","7","1") = "6"
    & skf21("6","4","5","5","5","5","1","1") = "5"
    & skf21("6","4","5","5","5","5","2","1") = "5"
    & skf21("6","4","5","5","5","5","3","1") = "5"
    & skf21("6","4","5","5","5","5","4","1") = "5"
    & skf21("6","4","5","5","5","5","5","1") = "5"
    & skf21("6","4","5","5","5","5","6","1") = "5"
    & skf21("6","4","5","5","5","5","7","1") = "6"
    & skf21("6","4","5","5","5","6","1","1") = "5"
    & skf21("6","4","5","5","5","6","2","1") = "5"
    & skf21("6","4","5","5","5","6","3","1") = "5"
    & skf21("6","4","5","5","5","6","4","1") = "5"
    & skf21("6","4","5","5","5","6","5","1") = "5"
    & skf21("6","4","5","5","5","6","6","1") = "5"
    & skf21("6","4","5","5","5","6","7","1") = "6"
    & skf21("6","4","5","5","5","7","1","1") = "6"
    & skf21("6","4","5","5","5","7","2","1") = "6"
    & skf21("6","4","5","5","5","7","3","1") = "6"
    & skf21("6","4","5","5","5","7","4","1") = "6"
    & skf21("6","4","5","5","5","7","5","1") = "6"
    & skf21("6","4","5","5","5","7","6","1") = "6"
    & skf21("6","4","5","5","5","7","7","1") = "6"
    & skf21("6","4","5","5","6","1","1","1") = "5"
    & skf21("6","4","5","5","6","1","2","1") = "5"
    & skf21("6","4","5","5","6","1","3","1") = "5"
    & skf21("6","4","5","5","6","1","4","1") = "5"
    & skf21("6","4","5","5","6","1","5","1") = "5"
    & skf21("6","4","5","5","6","1","6","1") = "5"
    & skf21("6","4","5","5","6","1","7","1") = "6"
    & skf21("6","4","5","5","6","2","1","1") = "5"
    & skf21("6","4","5","5","6","2","2","1") = "5"
    & skf21("6","4","5","5","6","2","3","1") = "5"
    & skf21("6","4","5","5","6","2","4","1") = "5"
    & skf21("6","4","5","5","6","2","5","1") = "5"
    & skf21("6","4","5","5","6","2","6","1") = "5"
    & skf21("6","4","5","5","6","2","7","1") = "6"
    & skf21("6","4","5","5","6","3","1","1") = "5"
    & skf21("6","4","5","5","6","3","2","1") = "5"
    & skf21("6","4","5","5","6","3","3","1") = "5"
    & skf21("6","4","5","5","6","3","4","1") = "5"
    & skf21("6","4","5","5","6","3","5","1") = "5"
    & skf21("6","4","5","5","6","3","6","1") = "5"
    & skf21("6","4","5","5","6","3","7","1") = "6"
    & skf21("6","4","5","5","6","4","1","1") = "5"
    & skf21("6","4","5","5","6","4","2","1") = "5"
    & skf21("6","4","5","5","6","4","3","1") = "5"
    & skf21("6","4","5","5","6","4","4","1") = "5"
    & skf21("6","4","5","5","6","4","5","1") = "5"
    & skf21("6","4","5","5","6","4","6","1") = "5"
    & skf21("6","4","5","5","6","4","7","1") = "6"
    & skf21("6","4","5","5","6","5","1","1") = "5"
    & skf21("6","4","5","5","6","5","2","1") = "5"
    & skf21("6","4","5","5","6","5","3","1") = "5"
    & skf21("6","4","5","5","6","5","4","1") = "5"
    & skf21("6","4","5","5","6","5","5","1") = "5"
    & skf21("6","4","5","5","6","5","6","1") = "5"
    & skf21("6","4","5","5","6","5","7","1") = "6"
    & skf21("6","4","5","5","6","6","1","1") = "5"
    & skf21("6","4","5","5","6","6","2","1") = "5"
    & skf21("6","4","5","5","6","6","3","1") = "5"
    & skf21("6","4","5","5","6","6","4","1") = "5"
    & skf21("6","4","5","5","6","6","5","1") = "5"
    & skf21("6","4","5","5","6","6","6","1") = "5"
    & skf21("6","4","5","5","6","6","7","1") = "6"
    & skf21("6","4","5","5","6","7","1","1") = "6"
    & skf21("6","4","5","5","6","7","2","1") = "6"
    & skf21("6","4","5","5","6","7","3","1") = "6"
    & skf21("6","4","5","5","6","7","4","1") = "6"
    & skf21("6","4","5","5","6","7","5","1") = "6"
    & skf21("6","4","5","5","6","7","6","1") = "6"
    & skf21("6","4","5","5","6","7","7","1") = "6"
    & skf21("6","4","5","5","7","1","1","1") = "6"
    & skf21("6","4","5","5","7","1","2","1") = "6"
    & skf21("6","4","5","5","7","1","3","1") = "6"
    & skf21("6","4","5","5","7","1","4","1") = "6"
    & skf21("6","4","5","5","7","1","5","1") = "6"
    & skf21("6","4","5","5","7","1","6","1") = "6"
    & skf21("6","4","5","5","7","1","7","1") = "6"
    & skf21("6","4","5","5","7","2","1","1") = "6"
    & skf21("6","4","5","5","7","2","2","1") = "6"
    & skf21("6","4","5","5","7","2","3","1") = "6"
    & skf21("6","4","5","5","7","2","4","1") = "6"
    & skf21("6","4","5","5","7","2","5","1") = "6"
    & skf21("6","4","5","5","7","2","6","1") = "6"
    & skf21("6","4","5","5","7","2","7","1") = "6"
    & skf21("6","4","5","5","7","3","1","1") = "6"
    & skf21("6","4","5","5","7","3","2","1") = "6"
    & skf21("6","4","5","5","7","3","3","1") = "6"
    & skf21("6","4","5","5","7","3","4","1") = "6"
    & skf21("6","4","5","5","7","3","5","1") = "6"
    & skf21("6","4","5","5","7","3","6","1") = "6"
    & skf21("6","4","5","5","7","3","7","1") = "6"
    & skf21("6","4","5","5","7","4","1","1") = "6"
    & skf21("6","4","5","5","7","4","2","1") = "6"
    & skf21("6","4","5","5","7","4","3","1") = "6"
    & skf21("6","4","5","5","7","4","4","1") = "6"
    & skf21("6","4","5","5","7","4","5","1") = "6"
    & skf21("6","4","5","5","7","4","6","1") = "6"
    & skf21("6","4","5","5","7","4","7","1") = "6"
    & skf21("6","4","5","5","7","5","1","1") = "6"
    & skf21("6","4","5","5","7","5","2","1") = "6"
    & skf21("6","4","5","5","7","5","3","1") = "6"
    & skf21("6","4","5","5","7","5","4","1") = "6"
    & skf21("6","4","5","5","7","5","5","1") = "6"
    & skf21("6","4","5","5","7","5","6","1") = "6"
    & skf21("6","4","5","5","7","5","7","1") = "6"
    & skf21("6","4","5","5","7","6","1","1") = "6"
    & skf21("6","4","5","5","7","6","2","1") = "6"
    & skf21("6","4","5","5","7","6","3","1") = "6"
    & skf21("6","4","5","5","7","6","4","1") = "6"
    & skf21("6","4","5","5","7","6","5","1") = "6"
    & skf21("6","4","5","5","7","6","6","1") = "6"
    & skf21("6","4","5","5","7","6","7","1") = "6"
    & skf21("6","4","5","5","7","7","1","1") = "6"
    & skf21("6","4","5","5","7","7","2","1") = "6"
    & skf21("6","4","5","5","7","7","3","1") = "6"
    & skf21("6","4","5","5","7","7","4","1") = "6"
    & skf21("6","4","5","5","7","7","5","1") = "6"
    & skf21("6","4","5","5","7","7","6","1") = "6"
    & skf21("6","4","5","5","7","7","7","1") = "6"
    & skf21("6","4","5","6","1","1","1","1") = "5"
    & skf21("6","4","5","6","1","1","2","1") = "5"
    & skf21("6","4","5","6","1","1","3","1") = "5"
    & skf21("6","4","5","6","1","1","4","1") = "5"
    & skf21("6","4","5","6","1","1","5","1") = "5"
    & skf21("6","4","5","6","1","1","6","1") = "5"
    & skf21("6","4","5","6","1","1","7","1") = "6"
    & skf21("6","4","5","6","1","2","1","1") = "5"
    & skf21("6","4","5","6","1","2","2","1") = "5"
    & skf21("6","4","5","6","1","2","3","1") = "5"
    & skf21("6","4","5","6","1","2","4","1") = "5"
    & skf21("6","4","5","6","1","2","5","1") = "5"
    & skf21("6","4","5","6","1","2","6","1") = "5"
    & skf21("6","4","5","6","1","2","7","1") = "6"
    & skf21("6","4","5","6","1","3","1","1") = "5"
    & skf21("6","4","5","6","1","3","2","1") = "5"
    & skf21("6","4","5","6","1","3","3","1") = "5"
    & skf21("6","4","5","6","1","3","4","1") = "5"
    & skf21("6","4","5","6","1","3","5","1") = "5"
    & skf21("6","4","5","6","1","3","6","1") = "5"
    & skf21("6","4","5","6","1","3","7","1") = "6"
    & skf21("6","4","5","6","1","4","1","1") = "5"
    & skf21("6","4","5","6","1","4","2","1") = "5"
    & skf21("6","4","5","6","1","4","3","1") = "5"
    & skf21("6","4","5","6","1","4","4","1") = "5"
    & skf21("6","4","5","6","1","4","5","1") = "5"
    & skf21("6","4","5","6","1","4","6","1") = "5"
    & skf21("6","4","5","6","1","4","7","1") = "6"
    & skf21("6","4","5","6","1","5","1","1") = "5"
    & skf21("6","4","5","6","1","5","2","1") = "5"
    & skf21("6","4","5","6","1","5","3","1") = "5"
    & skf21("6","4","5","6","1","5","4","1") = "5"
    & skf21("6","4","5","6","1","5","5","1") = "5"
    & skf21("6","4","5","6","1","5","6","1") = "5"
    & skf21("6","4","5","6","1","5","7","1") = "6"
    & skf21("6","4","5","6","1","6","1","1") = "5"
    & skf21("6","4","5","6","1","6","2","1") = "5"
    & skf21("6","4","5","6","1","6","3","1") = "5"
    & skf21("6","4","5","6","1","6","4","1") = "5"
    & skf21("6","4","5","6","1","6","5","1") = "5"
    & skf21("6","4","5","6","1","6","6","1") = "5"
    & skf21("6","4","5","6","1","6","7","1") = "6"
    & skf21("6","4","5","6","1","7","1","1") = "6"
    & skf21("6","4","5","6","1","7","2","1") = "6"
    & skf21("6","4","5","6","1","7","3","1") = "6"
    & skf21("6","4","5","6","1","7","4","1") = "6"
    & skf21("6","4","5","6","1","7","5","1") = "6"
    & skf21("6","4","5","6","1","7","6","1") = "6"
    & skf21("6","4","5","6","1","7","7","1") = "6"
    & skf21("6","4","5","6","2","1","1","1") = "5"
    & skf21("6","4","5","6","2","1","2","1") = "5"
    & skf21("6","4","5","6","2","1","3","1") = "5"
    & skf21("6","4","5","6","2","1","4","1") = "5"
    & skf21("6","4","5","6","2","1","5","1") = "5"
    & skf21("6","4","5","6","2","1","6","1") = "5"
    & skf21("6","4","5","6","2","1","7","1") = "6"
    & skf21("6","4","5","6","2","2","1","1") = "5"
    & skf21("6","4","5","6","2","2","2","1") = "5"
    & skf21("6","4","5","6","2","2","3","1") = "5"
    & skf21("6","4","5","6","2","2","4","1") = "5"
    & skf21("6","4","5","6","2","2","5","1") = "5"
    & skf21("6","4","5","6","2","2","6","1") = "5"
    & skf21("6","4","5","6","2","2","7","1") = "6"
    & skf21("6","4","5","6","2","3","1","1") = "5"
    & skf21("6","4","5","6","2","3","2","1") = "5"
    & skf21("6","4","5","6","2","3","3","1") = "5"
    & skf21("6","4","5","6","2","3","4","1") = "5"
    & skf21("6","4","5","6","2","3","5","1") = "5"
    & skf21("6","4","5","6","2","3","6","1") = "5"
    & skf21("6","4","5","6","2","3","7","1") = "6"
    & skf21("6","4","5","6","2","4","1","1") = "5"
    & skf21("6","4","5","6","2","4","2","1") = "5"
    & skf21("6","4","5","6","2","4","3","1") = "5"
    & skf21("6","4","5","6","2","4","4","1") = "5"
    & skf21("6","4","5","6","2","4","5","1") = "5"
    & skf21("6","4","5","6","2","4","6","1") = "5"
    & skf21("6","4","5","6","2","4","7","1") = "6"
    & skf21("6","4","5","6","2","5","1","1") = "5"
    & skf21("6","4","5","6","2","5","2","1") = "5"
    & skf21("6","4","5","6","2","5","3","1") = "5"
    & skf21("6","4","5","6","2","5","4","1") = "5"
    & skf21("6","4","5","6","2","5","5","1") = "5"
    & skf21("6","4","5","6","2","5","6","1") = "5"
    & skf21("6","4","5","6","2","5","7","1") = "6"
    & skf21("6","4","5","6","2","6","1","1") = "5"
    & skf21("6","4","5","6","2","6","2","1") = "5"
    & skf21("6","4","5","6","2","6","3","1") = "5"
    & skf21("6","4","5","6","2","6","4","1") = "5"
    & skf21("6","4","5","6","2","6","5","1") = "5"
    & skf21("6","4","5","6","2","6","6","1") = "5"
    & skf21("6","4","5","6","2","6","7","1") = "6"
    & skf21("6","4","5","6","2","7","1","1") = "6"
    & skf21("6","4","5","6","2","7","2","1") = "6"
    & skf21("6","4","5","6","2","7","3","1") = "6"
    & skf21("6","4","5","6","2","7","4","1") = "6"
    & skf21("6","4","5","6","2","7","5","1") = "6"
    & skf21("6","4","5","6","2","7","6","1") = "6"
    & skf21("6","4","5","6","2","7","7","1") = "6"
    & skf21("6","4","5","6","3","1","1","1") = "5"
    & skf21("6","4","5","6","3","1","2","1") = "5"
    & skf21("6","4","5","6","3","1","3","1") = "5"
    & skf21("6","4","5","6","3","1","4","1") = "5"
    & skf21("6","4","5","6","3","1","5","1") = "5"
    & skf21("6","4","5","6","3","1","6","1") = "5"
    & skf21("6","4","5","6","3","1","7","1") = "6"
    & skf21("6","4","5","6","3","2","1","1") = "5"
    & skf21("6","4","5","6","3","2","2","1") = "5"
    & skf21("6","4","5","6","3","2","3","1") = "5"
    & skf21("6","4","5","6","3","2","4","1") = "5"
    & skf21("6","4","5","6","3","2","5","1") = "5"
    & skf21("6","4","5","6","3","2","6","1") = "5"
    & skf21("6","4","5","6","3","2","7","1") = "6"
    & skf21("6","4","5","6","3","3","1","1") = "5"
    & skf21("6","4","5","6","3","3","2","1") = "5"
    & skf21("6","4","5","6","3","3","3","1") = "5"
    & skf21("6","4","5","6","3","3","4","1") = "5"
    & skf21("6","4","5","6","3","3","5","1") = "5"
    & skf21("6","4","5","6","3","3","6","1") = "5"
    & skf21("6","4","5","6","3","3","7","1") = "6"
    & skf21("6","4","5","6","3","4","1","1") = "5"
    & skf21("6","4","5","6","3","4","2","1") = "5"
    & skf21("6","4","5","6","3","4","3","1") = "5"
    & skf21("6","4","5","6","3","4","4","1") = "5"
    & skf21("6","4","5","6","3","4","5","1") = "5"
    & skf21("6","4","5","6","3","4","6","1") = "5"
    & skf21("6","4","5","6","3","4","7","1") = "6"
    & skf21("6","4","5","6","3","5","1","1") = "5"
    & skf21("6","4","5","6","3","5","2","1") = "5"
    & skf21("6","4","5","6","3","5","3","1") = "5"
    & skf21("6","4","5","6","3","5","4","1") = "5"
    & skf21("6","4","5","6","3","5","5","1") = "5"
    & skf21("6","4","5","6","3","5","6","1") = "5"
    & skf21("6","4","5","6","3","5","7","1") = "6"
    & skf21("6","4","5","6","3","6","1","1") = "5"
    & skf21("6","4","5","6","3","6","2","1") = "5"
    & skf21("6","4","5","6","3","6","3","1") = "5"
    & skf21("6","4","5","6","3","6","4","1") = "5"
    & skf21("6","4","5","6","3","6","5","1") = "5"
    & skf21("6","4","5","6","3","6","6","1") = "5"
    & skf21("6","4","5","6","3","6","7","1") = "6"
    & skf21("6","4","5","6","3","7","1","1") = "6"
    & skf21("6","4","5","6","3","7","2","1") = "6"
    & skf21("6","4","5","6","3","7","3","1") = "6"
    & skf21("6","4","5","6","3","7","4","1") = "6"
    & skf21("6","4","5","6","3","7","5","1") = "6"
    & skf21("6","4","5","6","3","7","6","1") = "6"
    & skf21("6","4","5","6","3","7","7","1") = "6"
    & skf21("6","4","5","6","4","1","1","1") = "5"
    & skf21("6","4","5","6","4","1","2","1") = "5"
    & skf21("6","4","5","6","4","1","3","1") = "5"
    & skf21("6","4","5","6","4","1","4","1") = "5"
    & skf21("6","4","5","6","4","1","5","1") = "5"
    & skf21("6","4","5","6","4","1","6","1") = "5"
    & skf21("6","4","5","6","4","1","7","1") = "6"
    & skf21("6","4","5","6","4","2","1","1") = "5"
    & skf21("6","4","5","6","4","2","2","1") = "5"
    & skf21("6","4","5","6","4","2","3","1") = "5"
    & skf21("6","4","5","6","4","2","4","1") = "5"
    & skf21("6","4","5","6","4","2","5","1") = "5"
    & skf21("6","4","5","6","4","2","6","1") = "5"
    & skf21("6","4","5","6","4","2","7","1") = "6"
    & skf21("6","4","5","6","4","3","1","1") = "5"
    & skf21("6","4","5","6","4","3","2","1") = "5"
    & skf21("6","4","5","6","4","3","3","1") = "5"
    & skf21("6","4","5","6","4","3","4","1") = "5"
    & skf21("6","4","5","6","4","3","5","1") = "5"
    & skf21("6","4","5","6","4","3","6","1") = "5"
    & skf21("6","4","5","6","4","3","7","1") = "6"
    & skf21("6","4","5","6","4","4","1","1") = "5"
    & skf21("6","4","5","6","4","4","2","1") = "5"
    & skf21("6","4","5","6","4","4","3","1") = "5"
    & skf21("6","4","5","6","4","4","4","1") = "5"
    & skf21("6","4","5","6","4","4","5","1") = "5"
    & skf21("6","4","5","6","4","4","6","1") = "5"
    & skf21("6","4","5","6","4","4","7","1") = "6"
    & skf21("6","4","5","6","4","5","1","1") = "5"
    & skf21("6","4","5","6","4","5","2","1") = "5"
    & skf21("6","4","5","6","4","5","3","1") = "5"
    & skf21("6","4","5","6","4","5","4","1") = "5"
    & skf21("6","4","5","6","4","5","5","1") = "5"
    & skf21("6","4","5","6","4","5","6","1") = "5"
    & skf21("6","4","5","6","4","5","7","1") = "6"
    & skf21("6","4","5","6","4","6","1","1") = "5"
    & skf21("6","4","5","6","4","6","2","1") = "5"
    & skf21("6","4","5","6","4","6","3","1") = "5"
    & skf21("6","4","5","6","4","6","4","1") = "5"
    & skf21("6","4","5","6","4","6","5","1") = "5"
    & skf21("6","4","5","6","4","6","6","1") = "5"
    & skf21("6","4","5","6","4","6","7","1") = "6"
    & skf21("6","4","5","6","4","7","1","1") = "6"
    & skf21("6","4","5","6","4","7","2","1") = "6"
    & skf21("6","4","5","6","4","7","3","1") = "6"
    & skf21("6","4","5","6","4","7","4","1") = "6"
    & skf21("6","4","5","6","4","7","5","1") = "6"
    & skf21("6","4","5","6","4","7","6","1") = "6"
    & skf21("6","4","5","6","4","7","7","1") = "6"
    & skf21("6","4","5","6","5","1","1","1") = "5"
    & skf21("6","4","5","6","5","1","2","1") = "5"
    & skf21("6","4","5","6","5","1","3","1") = "5"
    & skf21("6","4","5","6","5","1","4","1") = "5"
    & skf21("6","4","5","6","5","1","5","1") = "5"
    & skf21("6","4","5","6","5","1","6","1") = "5"
    & skf21("6","4","5","6","5","1","7","1") = "6"
    & skf21("6","4","5","6","5","2","1","1") = "5"
    & skf21("6","4","5","6","5","2","2","1") = "5"
    & skf21("6","4","5","6","5","2","3","1") = "5"
    & skf21("6","4","5","6","5","2","4","1") = "5"
    & skf21("6","4","5","6","5","2","5","1") = "5"
    & skf21("6","4","5","6","5","2","6","1") = "5"
    & skf21("6","4","5","6","5","2","7","1") = "6"
    & skf21("6","4","5","6","5","3","1","1") = "5"
    & skf21("6","4","5","6","5","3","2","1") = "5"
    & skf21("6","4","5","6","5","3","3","1") = "5"
    & skf21("6","4","5","6","5","3","4","1") = "5"
    & skf21("6","4","5","6","5","3","5","1") = "5"
    & skf21("6","4","5","6","5","3","6","1") = "5"
    & skf21("6","4","5","6","5","3","7","1") = "6"
    & skf21("6","4","5","6","5","4","1","1") = "5"
    & skf21("6","4","5","6","5","4","2","1") = "5"
    & skf21("6","4","5","6","5","4","3","1") = "5"
    & skf21("6","4","5","6","5","4","4","1") = "5"
    & skf21("6","4","5","6","5","4","5","1") = "5"
    & skf21("6","4","5","6","5","4","6","1") = "5"
    & skf21("6","4","5","6","5","4","7","1") = "6"
    & skf21("6","4","5","6","5","5","1","1") = "5"
    & skf21("6","4","5","6","5","5","2","1") = "5"
    & skf21("6","4","5","6","5","5","3","1") = "5"
    & skf21("6","4","5","6","5","5","4","1") = "5"
    & skf21("6","4","5","6","5","5","5","1") = "5"
    & skf21("6","4","5","6","5","5","6","1") = "5"
    & skf21("6","4","5","6","5","5","7","1") = "6"
    & skf21("6","4","5","6","5","6","1","1") = "5"
    & skf21("6","4","5","6","5","6","2","1") = "5"
    & skf21("6","4","5","6","5","6","3","1") = "5"
    & skf21("6","4","5","6","5","6","4","1") = "5"
    & skf21("6","4","5","6","5","6","5","1") = "5"
    & skf21("6","4","5","6","5","6","6","1") = "5"
    & skf21("6","4","5","6","5","6","7","1") = "6"
    & skf21("6","4","5","6","5","7","1","1") = "6"
    & skf21("6","4","5","6","5","7","2","1") = "6"
    & skf21("6","4","5","6","5","7","3","1") = "6"
    & skf21("6","4","5","6","5","7","4","1") = "6"
    & skf21("6","4","5","6","5","7","5","1") = "6"
    & skf21("6","4","5","6","5","7","6","1") = "6"
    & skf21("6","4","5","6","5","7","7","1") = "6"
    & skf21("6","4","5","6","6","1","1","1") = "5"
    & skf21("6","4","5","6","6","1","2","1") = "5"
    & skf21("6","4","5","6","6","1","3","1") = "5"
    & skf21("6","4","5","6","6","1","4","1") = "5"
    & skf21("6","4","5","6","6","1","5","1") = "5"
    & skf21("6","4","5","6","6","1","6","1") = "5"
    & skf21("6","4","5","6","6","1","7","1") = "6"
    & skf21("6","4","5","6","6","2","1","1") = "5"
    & skf21("6","4","5","6","6","2","2","1") = "5"
    & skf21("6","4","5","6","6","2","3","1") = "5"
    & skf21("6","4","5","6","6","2","4","1") = "5"
    & skf21("6","4","5","6","6","2","5","1") = "5"
    & skf21("6","4","5","6","6","2","6","1") = "5"
    & skf21("6","4","5","6","6","2","7","1") = "6"
    & skf21("6","4","5","6","6","3","1","1") = "5"
    & skf21("6","4","5","6","6","3","2","1") = "5"
    & skf21("6","4","5","6","6","3","3","1") = "5"
    & skf21("6","4","5","6","6","3","4","1") = "5"
    & skf21("6","4","5","6","6","3","5","1") = "5"
    & skf21("6","4","5","6","6","3","6","1") = "5"
    & skf21("6","4","5","6","6","3","7","1") = "6"
    & skf21("6","4","5","6","6","4","1","1") = "5"
    & skf21("6","4","5","6","6","4","2","1") = "5"
    & skf21("6","4","5","6","6","4","3","1") = "5"
    & skf21("6","4","5","6","6","4","4","1") = "5"
    & skf21("6","4","5","6","6","4","5","1") = "5"
    & skf21("6","4","5","6","6","4","6","1") = "5"
    & skf21("6","4","5","6","6","4","7","1") = "6"
    & skf21("6","4","5","6","6","5","1","1") = "5"
    & skf21("6","4","5","6","6","5","2","1") = "5"
    & skf21("6","4","5","6","6","5","3","1") = "5"
    & skf21("6","4","5","6","6","5","4","1") = "5"
    & skf21("6","4","5","6","6","5","5","1") = "5"
    & skf21("6","4","5","6","6","5","6","1") = "5"
    & skf21("6","4","5","6","6","5","7","1") = "6"
    & skf21("6","4","5","6","6","6","1","1") = "5"
    & skf21("6","4","5","6","6","6","2","1") = "5"
    & skf21("6","4","5","6","6","6","3","1") = "5"
    & skf21("6","4","5","6","6","6","4","1") = "5"
    & skf21("6","4","5","6","6","6","5","1") = "5"
    & skf21("6","4","5","6","6","6","6","1") = "5"
    & skf21("6","4","5","6","6","6","7","1") = "6"
    & skf21("6","4","5","6","6","7","1","1") = "6"
    & skf21("6","4","5","6","6","7","2","1") = "6"
    & skf21("6","4","5","6","6","7","3","1") = "6"
    & skf21("6","4","5","6","6","7","4","1") = "6"
    & skf21("6","4","5","6","6","7","5","1") = "6"
    & skf21("6","4","5","6","6","7","6","1") = "6"
    & skf21("6","4","5","6","6","7","7","1") = "6"
    & skf21("6","4","5","6","7","1","1","1") = "6"
    & skf21("6","4","5","6","7","1","2","1") = "6"
    & skf21("6","4","5","6","7","1","3","1") = "6"
    & skf21("6","4","5","6","7","1","4","1") = "6"
    & skf21("6","4","5","6","7","1","5","1") = "6"
    & skf21("6","4","5","6","7","1","6","1") = "6"
    & skf21("6","4","5","6","7","1","7","1") = "6"
    & skf21("6","4","5","6","7","2","1","1") = "6"
    & skf21("6","4","5","6","7","2","2","1") = "6"
    & skf21("6","4","5","6","7","2","3","1") = "6"
    & skf21("6","4","5","6","7","2","4","1") = "6"
    & skf21("6","4","5","6","7","2","5","1") = "6"
    & skf21("6","4","5","6","7","2","6","1") = "6"
    & skf21("6","4","5","6","7","2","7","1") = "6"
    & skf21("6","4","5","6","7","3","1","1") = "6"
    & skf21("6","4","5","6","7","3","2","1") = "6"
    & skf21("6","4","5","6","7","3","3","1") = "6"
    & skf21("6","4","5","6","7","3","4","1") = "6"
    & skf21("6","4","5","6","7","3","5","1") = "6"
    & skf21("6","4","5","6","7","3","6","1") = "6"
    & skf21("6","4","5","6","7","3","7","1") = "6"
    & skf21("6","4","5","6","7","4","1","1") = "6"
    & skf21("6","4","5","6","7","4","2","1") = "6"
    & skf21("6","4","5","6","7","4","3","1") = "6"
    & skf21("6","4","5","6","7","4","4","1") = "6"
    & skf21("6","4","5","6","7","4","5","1") = "6"
    & skf21("6","4","5","6","7","4","6","1") = "6"
    & skf21("6","4","5","6","7","4","7","1") = "6"
    & skf21("6","4","5","6","7","5","1","1") = "6"
    & skf21("6","4","5","6","7","5","2","1") = "6"
    & skf21("6","4","5","6","7","5","3","1") = "6"
    & skf21("6","4","5","6","7","5","4","1") = "6"
    & skf21("6","4","5","6","7","5","5","1") = "6"
    & skf21("6","4","5","6","7","5","6","1") = "6"
    & skf21("6","4","5","6","7","5","7","1") = "6"
    & skf21("6","4","5","6","7","6","1","1") = "6"
    & skf21("6","4","5","6","7","6","2","1") = "6"
    & skf21("6","4","5","6","7","6","3","1") = "6"
    & skf21("6","4","5","6","7","6","4","1") = "6"
    & skf21("6","4","5","6","7","6","5","1") = "6"
    & skf21("6","4","5","6","7","6","6","1") = "6"
    & skf21("6","4","5","6","7","6","7","1") = "6"
    & skf21("6","4","5","6","7","7","1","1") = "6"
    & skf21("6","4","5","6","7","7","2","1") = "6"
    & skf21("6","4","5","6","7","7","3","1") = "6"
    & skf21("6","4","5","6","7","7","4","1") = "6"
    & skf21("6","4","5","6","7","7","5","1") = "6"
    & skf21("6","4","5","6","7","7","6","1") = "6"
    & skf21("6","4","5","6","7","7","7","1") = "6"
    & skf21("6","4","5","7","1","1","1","1") = "6"
    & skf21("6","4","5","7","1","1","2","1") = "6"
    & skf21("6","4","5","7","1","1","3","1") = "6"
    & skf21("6","4","5","7","1","1","4","1") = "6"
    & skf21("6","4","5","7","1","1","5","1") = "6"
    & skf21("6","4","5","7","1","1","6","1") = "6"
    & skf21("6","4","5","7","1","1","7","1") = "6"
    & skf21("6","4","5","7","1","2","1","1") = "6"
    & skf21("6","4","5","7","1","2","2","1") = "6"
    & skf21("6","4","5","7","1","2","3","1") = "6"
    & skf21("6","4","5","7","1","2","4","1") = "6"
    & skf21("6","4","5","7","1","2","5","1") = "6"
    & skf21("6","4","5","7","1","2","6","1") = "6"
    & skf21("6","4","5","7","1","2","7","1") = "6"
    & skf21("6","4","5","7","1","3","1","1") = "6"
    & skf21("6","4","5","7","1","3","2","1") = "6"
    & skf21("6","4","5","7","1","3","3","1") = "6"
    & skf21("6","4","5","7","1","3","4","1") = "6"
    & skf21("6","4","5","7","1","3","5","1") = "6"
    & skf21("6","4","5","7","1","3","6","1") = "6"
    & skf21("6","4","5","7","1","3","7","1") = "6"
    & skf21("6","4","5","7","1","4","1","1") = "6"
    & skf21("6","4","5","7","1","4","2","1") = "6"
    & skf21("6","4","5","7","1","4","3","1") = "6"
    & skf21("6","4","5","7","1","4","4","1") = "6"
    & skf21("6","4","5","7","1","4","5","1") = "6"
    & skf21("6","4","5","7","1","4","6","1") = "6"
    & skf21("6","4","5","7","1","4","7","1") = "6"
    & skf21("6","4","5","7","1","5","1","1") = "6"
    & skf21("6","4","5","7","1","5","2","1") = "6"
    & skf21("6","4","5","7","1","5","3","1") = "6"
    & skf21("6","4","5","7","1","5","4","1") = "6"
    & skf21("6","4","5","7","1","5","5","1") = "6"
    & skf21("6","4","5","7","1","5","6","1") = "6"
    & skf21("6","4","5","7","1","5","7","1") = "6"
    & skf21("6","4","5","7","1","6","1","1") = "6"
    & skf21("6","4","5","7","1","6","2","1") = "6"
    & skf21("6","4","5","7","1","6","3","1") = "6"
    & skf21("6","4","5","7","1","6","4","1") = "6"
    & skf21("6","4","5","7","1","6","5","1") = "6"
    & skf21("6","4","5","7","1","6","6","1") = "6"
    & skf21("6","4","5","7","1","6","7","1") = "6"
    & skf21("6","4","5","7","1","7","1","1") = "6"
    & skf21("6","4","5","7","1","7","2","1") = "6"
    & skf21("6","4","5","7","1","7","3","1") = "6"
    & skf21("6","4","5","7","1","7","4","1") = "6"
    & skf21("6","4","5","7","1","7","5","1") = "6"
    & skf21("6","4","5","7","1","7","6","1") = "6"
    & skf21("6","4","5","7","1","7","7","1") = "6"
    & skf21("6","4","5","7","2","1","1","1") = "6"
    & skf21("6","4","5","7","2","1","2","1") = "6"
    & skf21("6","4","5","7","2","1","3","1") = "6"
    & skf21("6","4","5","7","2","1","4","1") = "6"
    & skf21("6","4","5","7","2","1","5","1") = "6"
    & skf21("6","4","5","7","2","1","6","1") = "6"
    & skf21("6","4","5","7","2","1","7","1") = "6"
    & skf21("6","4","5","7","2","2","1","1") = "6"
    & skf21("6","4","5","7","2","2","2","1") = "6"
    & skf21("6","4","5","7","2","2","3","1") = "6"
    & skf21("6","4","5","7","2","2","4","1") = "6"
    & skf21("6","4","5","7","2","2","5","1") = "6"
    & skf21("6","4","5","7","2","2","6","1") = "6"
    & skf21("6","4","5","7","2","2","7","1") = "6"
    & skf21("6","4","5","7","2","3","1","1") = "6"
    & skf21("6","4","5","7","2","3","2","1") = "6"
    & skf21("6","4","5","7","2","3","3","1") = "6"
    & skf21("6","4","5","7","2","3","4","1") = "6"
    & skf21("6","4","5","7","2","3","5","1") = "6"
    & skf21("6","4","5","7","2","3","6","1") = "6"
    & skf21("6","4","5","7","2","3","7","1") = "6"
    & skf21("6","4","5","7","2","4","1","1") = "6"
    & skf21("6","4","5","7","2","4","2","1") = "6"
    & skf21("6","4","5","7","2","4","3","1") = "6"
    & skf21("6","4","5","7","2","4","4","1") = "6"
    & skf21("6","4","5","7","2","4","5","1") = "6"
    & skf21("6","4","5","7","2","4","6","1") = "6"
    & skf21("6","4","5","7","2","4","7","1") = "6"
    & skf21("6","4","5","7","2","5","1","1") = "6"
    & skf21("6","4","5","7","2","5","2","1") = "6"
    & skf21("6","4","5","7","2","5","3","1") = "6"
    & skf21("6","4","5","7","2","5","4","1") = "6"
    & skf21("6","4","5","7","2","5","5","1") = "6"
    & skf21("6","4","5","7","2","5","6","1") = "6"
    & skf21("6","4","5","7","2","5","7","1") = "6"
    & skf21("6","4","5","7","2","6","1","1") = "6"
    & skf21("6","4","5","7","2","6","2","1") = "6"
    & skf21("6","4","5","7","2","6","3","1") = "6"
    & skf21("6","4","5","7","2","6","4","1") = "6"
    & skf21("6","4","5","7","2","6","5","1") = "6"
    & skf21("6","4","5","7","2","6","6","1") = "6"
    & skf21("6","4","5","7","2","6","7","1") = "6"
    & skf21("6","4","5","7","2","7","1","1") = "6"
    & skf21("6","4","5","7","2","7","2","1") = "6"
    & skf21("6","4","5","7","2","7","3","1") = "6"
    & skf21("6","4","5","7","2","7","4","1") = "6"
    & skf21("6","4","5","7","2","7","5","1") = "6"
    & skf21("6","4","5","7","2","7","6","1") = "6"
    & skf21("6","4","5","7","2","7","7","1") = "6"
    & skf21("6","4","5","7","3","1","1","1") = "6"
    & skf21("6","4","5","7","3","1","2","1") = "6"
    & skf21("6","4","5","7","3","1","3","1") = "6"
    & skf21("6","4","5","7","3","1","4","1") = "6"
    & skf21("6","4","5","7","3","1","5","1") = "6"
    & skf21("6","4","5","7","3","1","6","1") = "6"
    & skf21("6","4","5","7","3","1","7","1") = "6"
    & skf21("6","4","5","7","3","2","1","1") = "6"
    & skf21("6","4","5","7","3","2","2","1") = "6"
    & skf21("6","4","5","7","3","2","3","1") = "6"
    & skf21("6","4","5","7","3","2","4","1") = "6"
    & skf21("6","4","5","7","3","2","5","1") = "6"
    & skf21("6","4","5","7","3","2","6","1") = "6"
    & skf21("6","4","5","7","3","2","7","1") = "6"
    & skf21("6","4","5","7","3","3","1","1") = "6"
    & skf21("6","4","5","7","3","3","2","1") = "6"
    & skf21("6","4","5","7","3","3","3","1") = "6"
    & skf21("6","4","5","7","3","3","4","1") = "6"
    & skf21("6","4","5","7","3","3","5","1") = "6"
    & skf21("6","4","5","7","3","3","6","1") = "6"
    & skf21("6","4","5","7","3","3","7","1") = "6"
    & skf21("6","4","5","7","3","4","1","1") = "6"
    & skf21("6","4","5","7","3","4","2","1") = "6"
    & skf21("6","4","5","7","3","4","3","1") = "6"
    & skf21("6","4","5","7","3","4","4","1") = "6"
    & skf21("6","4","5","7","3","4","5","1") = "6"
    & skf21("6","4","5","7","3","4","6","1") = "6"
    & skf21("6","4","5","7","3","4","7","1") = "6"
    & skf21("6","4","5","7","3","5","1","1") = "6"
    & skf21("6","4","5","7","3","5","2","1") = "6"
    & skf21("6","4","5","7","3","5","3","1") = "6"
    & skf21("6","4","5","7","3","5","4","1") = "6"
    & skf21("6","4","5","7","3","5","5","1") = "6"
    & skf21("6","4","5","7","3","5","6","1") = "6"
    & skf21("6","4","5","7","3","5","7","1") = "6"
    & skf21("6","4","5","7","3","6","1","1") = "6"
    & skf21("6","4","5","7","3","6","2","1") = "6"
    & skf21("6","4","5","7","3","6","3","1") = "6"
    & skf21("6","4","5","7","3","6","4","1") = "6"
    & skf21("6","4","5","7","3","6","5","1") = "6"
    & skf21("6","4","5","7","3","6","6","1") = "6"
    & skf21("6","4","5","7","3","6","7","1") = "6"
    & skf21("6","4","5","7","3","7","1","1") = "6"
    & skf21("6","4","5","7","3","7","2","1") = "6"
    & skf21("6","4","5","7","3","7","3","1") = "6"
    & skf21("6","4","5","7","3","7","4","1") = "6"
    & skf21("6","4","5","7","3","7","5","1") = "6"
    & skf21("6","4","5","7","3","7","6","1") = "6"
    & skf21("6","4","5","7","3","7","7","1") = "6"
    & skf21("6","4","5","7","4","1","1","1") = "6"
    & skf21("6","4","5","7","4","1","2","1") = "6"
    & skf21("6","4","5","7","4","1","3","1") = "6"
    & skf21("6","4","5","7","4","1","4","1") = "6"
    & skf21("6","4","5","7","4","1","5","1") = "6"
    & skf21("6","4","5","7","4","1","6","1") = "6"
    & skf21("6","4","5","7","4","1","7","1") = "6"
    & skf21("6","4","5","7","4","2","1","1") = "6"
    & skf21("6","4","5","7","4","2","2","1") = "6"
    & skf21("6","4","5","7","4","2","3","1") = "6"
    & skf21("6","4","5","7","4","2","4","1") = "6"
    & skf21("6","4","5","7","4","2","5","1") = "6"
    & skf21("6","4","5","7","4","2","6","1") = "6"
    & skf21("6","4","5","7","4","2","7","1") = "6"
    & skf21("6","4","5","7","4","3","1","1") = "6"
    & skf21("6","4","5","7","4","3","2","1") = "6"
    & skf21("6","4","5","7","4","3","3","1") = "6"
    & skf21("6","4","5","7","4","3","4","1") = "6"
    & skf21("6","4","5","7","4","3","5","1") = "6"
    & skf21("6","4","5","7","4","3","6","1") = "6"
    & skf21("6","4","5","7","4","3","7","1") = "6"
    & skf21("6","4","5","7","4","4","1","1") = "6"
    & skf21("6","4","5","7","4","4","2","1") = "6"
    & skf21("6","4","5","7","4","4","3","1") = "6"
    & skf21("6","4","5","7","4","4","4","1") = "6"
    & skf21("6","4","5","7","4","4","5","1") = "6"
    & skf21("6","4","5","7","4","4","6","1") = "6"
    & skf21("6","4","5","7","4","4","7","1") = "6"
    & skf21("6","4","5","7","4","5","1","1") = "6"
    & skf21("6","4","5","7","4","5","2","1") = "6"
    & skf21("6","4","5","7","4","5","3","1") = "6"
    & skf21("6","4","5","7","4","5","4","1") = "6"
    & skf21("6","4","5","7","4","5","5","1") = "6"
    & skf21("6","4","5","7","4","5","6","1") = "6"
    & skf21("6","4","5","7","4","5","7","1") = "6"
    & skf21("6","4","5","7","4","6","1","1") = "6"
    & skf21("6","4","5","7","4","6","2","1") = "6"
    & skf21("6","4","5","7","4","6","3","1") = "6"
    & skf21("6","4","5","7","4","6","4","1") = "6"
    & skf21("6","4","5","7","4","6","5","1") = "6"
    & skf21("6","4","5","7","4","6","6","1") = "6"
    & skf21("6","4","5","7","4","6","7","1") = "6"
    & skf21("6","4","5","7","4","7","1","1") = "6"
    & skf21("6","4","5","7","4","7","2","1") = "6"
    & skf21("6","4","5","7","4","7","3","1") = "6"
    & skf21("6","4","5","7","4","7","4","1") = "6"
    & skf21("6","4","5","7","4","7","5","1") = "6"
    & skf21("6","4","5","7","4","7","6","1") = "6"
    & skf21("6","4","5","7","4","7","7","1") = "6"
    & skf21("6","4","5","7","5","1","1","1") = "6"
    & skf21("6","4","5","7","5","1","2","1") = "6"
    & skf21("6","4","5","7","5","1","3","1") = "6"
    & skf21("6","4","5","7","5","1","4","1") = "6"
    & skf21("6","4","5","7","5","1","5","1") = "6"
    & skf21("6","4","5","7","5","1","6","1") = "6"
    & skf21("6","4","5","7","5","1","7","1") = "6"
    & skf21("6","4","5","7","5","2","1","1") = "6"
    & skf21("6","4","5","7","5","2","2","1") = "6"
    & skf21("6","4","5","7","5","2","3","1") = "6"
    & skf21("6","4","5","7","5","2","4","1") = "6"
    & skf21("6","4","5","7","5","2","5","1") = "6"
    & skf21("6","4","5","7","5","2","6","1") = "6"
    & skf21("6","4","5","7","5","2","7","1") = "6"
    & skf21("6","4","5","7","5","3","1","1") = "6"
    & skf21("6","4","5","7","5","3","2","1") = "6"
    & skf21("6","4","5","7","5","3","3","1") = "6"
    & skf21("6","4","5","7","5","3","4","1") = "6"
    & skf21("6","4","5","7","5","3","5","1") = "6"
    & skf21("6","4","5","7","5","3","6","1") = "6"
    & skf21("6","4","5","7","5","3","7","1") = "6"
    & skf21("6","4","5","7","5","4","1","1") = "6"
    & skf21("6","4","5","7","5","4","2","1") = "6"
    & skf21("6","4","5","7","5","4","3","1") = "6"
    & skf21("6","4","5","7","5","4","4","1") = "6"
    & skf21("6","4","5","7","5","4","5","1") = "6"
    & skf21("6","4","5","7","5","4","6","1") = "6"
    & skf21("6","4","5","7","5","4","7","1") = "6"
    & skf21("6","4","5","7","5","5","1","1") = "6"
    & skf21("6","4","5","7","5","5","2","1") = "6"
    & skf21("6","4","5","7","5","5","3","1") = "6"
    & skf21("6","4","5","7","5","5","4","1") = "6"
    & skf21("6","4","5","7","5","5","5","1") = "6"
    & skf21("6","4","5","7","5","5","6","1") = "6"
    & skf21("6","4","5","7","5","5","7","1") = "6"
    & skf21("6","4","5","7","5","6","1","1") = "6"
    & skf21("6","4","5","7","5","6","2","1") = "6"
    & skf21("6","4","5","7","5","6","3","1") = "6"
    & skf21("6","4","5","7","5","6","4","1") = "6"
    & skf21("6","4","5","7","5","6","5","1") = "6"
    & skf21("6","4","5","7","5","6","6","1") = "6"
    & skf21("6","4","5","7","5","6","7","1") = "6"
    & skf21("6","4","5","7","5","7","1","1") = "6"
    & skf21("6","4","5","7","5","7","2","1") = "6"
    & skf21("6","4","5","7","5","7","3","1") = "6"
    & skf21("6","4","5","7","5","7","4","1") = "6"
    & skf21("6","4","5","7","5","7","5","1") = "6"
    & skf21("6","4","5","7","5","7","6","1") = "6"
    & skf21("6","4","5","7","5","7","7","1") = "6"
    & skf21("6","4","5","7","6","1","1","1") = "6"
    & skf21("6","4","5","7","6","1","2","1") = "6"
    & skf21("6","4","5","7","6","1","3","1") = "6"
    & skf21("6","4","5","7","6","1","4","1") = "6"
    & skf21("6","4","5","7","6","1","5","1") = "6"
    & skf21("6","4","5","7","6","1","6","1") = "6"
    & skf21("6","4","5","7","6","1","7","1") = "6"
    & skf21("6","4","5","7","6","2","1","1") = "6"
    & skf21("6","4","5","7","6","2","2","1") = "6"
    & skf21("6","4","5","7","6","2","3","1") = "6"
    & skf21("6","4","5","7","6","2","4","1") = "6"
    & skf21("6","4","5","7","6","2","5","1") = "6"
    & skf21("6","4","5","7","6","2","6","1") = "6"
    & skf21("6","4","5","7","6","2","7","1") = "6"
    & skf21("6","4","5","7","6","3","1","1") = "6"
    & skf21("6","4","5","7","6","3","2","1") = "6"
    & skf21("6","4","5","7","6","3","3","1") = "6"
    & skf21("6","4","5","7","6","3","4","1") = "6"
    & skf21("6","4","5","7","6","3","5","1") = "6"
    & skf21("6","4","5","7","6","3","6","1") = "6"
    & skf21("6","4","5","7","6","3","7","1") = "6"
    & skf21("6","4","5","7","6","4","1","1") = "6"
    & skf21("6","4","5","7","6","4","2","1") = "6"
    & skf21("6","4","5","7","6","4","3","1") = "6"
    & skf21("6","4","5","7","6","4","4","1") = "6"
    & skf21("6","4","5","7","6","4","5","1") = "6"
    & skf21("6","4","5","7","6","4","6","1") = "6"
    & skf21("6","4","5","7","6","4","7","1") = "6"
    & skf21("6","4","5","7","6","5","1","1") = "6"
    & skf21("6","4","5","7","6","5","2","1") = "6"
    & skf21("6","4","5","7","6","5","3","1") = "6"
    & skf21("6","4","5","7","6","5","4","1") = "6"
    & skf21("6","4","5","7","6","5","5","1") = "6"
    & skf21("6","4","5","7","6","5","6","1") = "6"
    & skf21("6","4","5","7","6","5","7","1") = "6"
    & skf21("6","4","5","7","6","6","1","1") = "6"
    & skf21("6","4","5","7","6","6","2","1") = "6"
    & skf21("6","4","5","7","6","6","3","1") = "6"
    & skf21("6","4","5","7","6","6","4","1") = "6"
    & skf21("6","4","5","7","6","6","5","1") = "6"
    & skf21("6","4","5","7","6","6","6","1") = "6"
    & skf21("6","4","5","7","6","6","7","1") = "6"
    & skf21("6","4","5","7","6","7","1","1") = "6"
    & skf21("6","4","5","7","6","7","2","1") = "6"
    & skf21("6","4","5","7","6","7","3","1") = "6"
    & skf21("6","4","5","7","6","7","4","1") = "6"
    & skf21("6","4","5","7","6","7","5","1") = "6"
    & skf21("6","4","5","7","6","7","6","1") = "6"
    & skf21("6","4","5","7","6","7","7","1") = "6"
    & skf21("6","4","5","7","7","1","1","1") = "6"
    & skf21("6","4","5","7","7","1","2","1") = "6"
    & skf21("6","4","5","7","7","1","3","1") = "6"
    & skf21("6","4","5","7","7","1","4","1") = "6"
    & skf21("6","4","5","7","7","1","5","1") = "6"
    & skf21("6","4","5","7","7","1","6","1") = "6"
    & skf21("6","4","5","7","7","1","7","1") = "6"
    & skf21("6","4","5","7","7","2","1","1") = "6"
    & skf21("6","4","5","7","7","2","2","1") = "6"
    & skf21("6","4","5","7","7","2","3","1") = "6"
    & skf21("6","4","5","7","7","2","4","1") = "6"
    & skf21("6","4","5","7","7","2","5","1") = "6"
    & skf21("6","4","5","7","7","2","6","1") = "6"
    & skf21("6","4","5","7","7","2","7","1") = "6"
    & skf21("6","4","5","7","7","3","1","1") = "6"
    & skf21("6","4","5","7","7","3","2","1") = "6"
    & skf21("6","4","5","7","7","3","3","1") = "6"
    & skf21("6","4","5","7","7","3","4","1") = "6"
    & skf21("6","4","5","7","7","3","5","1") = "6"
    & skf21("6","4","5","7","7","3","6","1") = "6"
    & skf21("6","4","5","7","7","3","7","1") = "6"
    & skf21("6","4","5","7","7","4","1","1") = "6"
    & skf21("6","4","5","7","7","4","2","1") = "6"
    & skf21("6","4","5","7","7","4","3","1") = "6"
    & skf21("6","4","5","7","7","4","4","1") = "6"
    & skf21("6","4","5","7","7","4","5","1") = "6"
    & skf21("6","4","5","7","7","4","6","1") = "6"
    & skf21("6","4","5","7","7","4","7","1") = "6"
    & skf21("6","4","5","7","7","5","1","1") = "6"
    & skf21("6","4","5","7","7","5","2","1") = "6"
    & skf21("6","4","5","7","7","5","3","1") = "6"
    & skf21("6","4","5","7","7","5","4","1") = "6"
    & skf21("6","4","5","7","7","5","5","1") = "6"
    & skf21("6","4","5","7","7","5","6","1") = "6"
    & skf21("6","4","5","7","7","5","7","1") = "6"
    & skf21("6","4","5","7","7","6","1","1") = "6"
    & skf21("6","4","5","7","7","6","2","1") = "6"
    & skf21("6","4","5","7","7","6","3","1") = "6"
    & skf21("6","4","5","7","7","6","4","1") = "6"
    & skf21("6","4","5","7","7","6","5","1") = "6"
    & skf21("6","4","5","7","7","6","6","1") = "6"
    & skf21("6","4","5","7","7","6","7","1") = "6"
    & skf21("6","4","5","7","7","7","1","1") = "6"
    & skf21("6","4","5","7","7","7","2","1") = "6"
    & skf21("6","4","5","7","7","7","3","1") = "6"
    & skf21("6","4","5","7","7","7","4","1") = "6"
    & skf21("6","4","5","7","7","7","5","1") = "6"
    & skf21("6","4","5","7","7","7","6","1") = "6"
    & skf21("6","4","5","7","7","7","7","1") = "6"
    & skf21("6","4","6","1","1","1","1","1") = "5"
    & skf21("6","4","6","1","1","1","2","1") = "5"
    & skf21("6","4","6","1","1","1","3","1") = "5"
    & skf21("6","4","6","1","1","1","4","1") = "5"
    & skf21("6","4","6","1","1","1","5","1") = "5"
    & skf21("6","4","6","1","1","1","6","1") = "5"
    & skf21("6","4","6","1","1","1","7","1") = "6"
    & skf21("6","4","6","1","1","2","1","1") = "5"
    & skf21("6","4","6","1","1","2","2","1") = "5"
    & skf21("6","4","6","1","1","2","3","1") = "5"
    & skf21("6","4","6","1","1","2","4","1") = "5"
    & skf21("6","4","6","1","1","2","5","1") = "5"
    & skf21("6","4","6","1","1","2","6","1") = "5"
    & skf21("6","4","6","1","1","2","7","1") = "6"
    & skf21("6","4","6","1","1","3","1","1") = "5"
    & skf21("6","4","6","1","1","3","2","1") = "5"
    & skf21("6","4","6","1","1","3","3","1") = "5"
    & skf21("6","4","6","1","1","3","4","1") = "5"
    & skf21("6","4","6","1","1","3","5","1") = "5"
    & skf21("6","4","6","1","1","3","6","1") = "5"
    & skf21("6","4","6","1","1","3","7","1") = "6"
    & skf21("6","4","6","1","1","4","1","1") = "5"
    & skf21("6","4","6","1","1","4","2","1") = "5"
    & skf21("6","4","6","1","1","4","3","1") = "5"
    & skf21("6","4","6","1","1","4","4","1") = "5"
    & skf21("6","4","6","1","1","4","5","1") = "5"
    & skf21("6","4","6","1","1","4","6","1") = "5"
    & skf21("6","4","6","1","1","4","7","1") = "6"
    & skf21("6","4","6","1","1","5","1","1") = "5"
    & skf21("6","4","6","1","1","5","2","1") = "5"
    & skf21("6","4","6","1","1","5","3","1") = "5"
    & skf21("6","4","6","1","1","5","4","1") = "5"
    & skf21("6","4","6","1","1","5","5","1") = "5"
    & skf21("6","4","6","1","1","5","6","1") = "5"
    & skf21("6","4","6","1","1","5","7","1") = "6"
    & skf21("6","4","6","1","1","6","1","1") = "5"
    & skf21("6","4","6","1","1","6","2","1") = "5"
    & skf21("6","4","6","1","1","6","3","1") = "5"
    & skf21("6","4","6","1","1","6","4","1") = "5"
    & skf21("6","4","6","1","1","6","5","1") = "5"
    & skf21("6","4","6","1","1","6","6","1") = "5"
    & skf21("6","4","6","1","1","6","7","1") = "6"
    & skf21("6","4","6","1","1","7","1","1") = "6"
    & skf21("6","4","6","1","1","7","2","1") = "6"
    & skf21("6","4","6","1","1","7","3","1") = "6"
    & skf21("6","4","6","1","1","7","4","1") = "6"
    & skf21("6","4","6","1","1","7","5","1") = "6"
    & skf21("6","4","6","1","1","7","6","1") = "6"
    & skf21("6","4","6","1","1","7","7","1") = "6"
    & skf21("6","4","6","1","2","1","1","1") = "5"
    & skf21("6","4","6","1","2","1","2","1") = "5"
    & skf21("6","4","6","1","2","1","3","1") = "5"
    & skf21("6","4","6","1","2","1","4","1") = "5"
    & skf21("6","4","6","1","2","1","5","1") = "5"
    & skf21("6","4","6","1","2","1","6","1") = "5"
    & skf21("6","4","6","1","2","1","7","1") = "6"
    & skf21("6","4","6","1","2","2","1","1") = "5"
    & skf21("6","4","6","1","2","2","2","1") = "5"
    & skf21("6","4","6","1","2","2","3","1") = "5"
    & skf21("6","4","6","1","2","2","4","1") = "5"
    & skf21("6","4","6","1","2","2","5","1") = "5"
    & skf21("6","4","6","1","2","2","6","1") = "5"
    & skf21("6","4","6","1","2","2","7","1") = "6"
    & skf21("6","4","6","1","2","3","1","1") = "5"
    & skf21("6","4","6","1","2","3","2","1") = "5"
    & skf21("6","4","6","1","2","3","3","1") = "5"
    & skf21("6","4","6","1","2","3","4","1") = "5"
    & skf21("6","4","6","1","2","3","5","1") = "5"
    & skf21("6","4","6","1","2","3","6","1") = "5"
    & skf21("6","4","6","1","2","3","7","1") = "6"
    & skf21("6","4","6","1","2","4","1","1") = "5"
    & skf21("6","4","6","1","2","4","2","1") = "5"
    & skf21("6","4","6","1","2","4","3","1") = "5"
    & skf21("6","4","6","1","2","4","4","1") = "5"
    & skf21("6","4","6","1","2","4","5","1") = "5"
    & skf21("6","4","6","1","2","4","6","1") = "5"
    & skf21("6","4","6","1","2","4","7","1") = "6"
    & skf21("6","4","6","1","2","5","1","1") = "5"
    & skf21("6","4","6","1","2","5","2","1") = "5"
    & skf21("6","4","6","1","2","5","3","1") = "5"
    & skf21("6","4","6","1","2","5","4","1") = "5"
    & skf21("6","4","6","1","2","5","5","1") = "5"
    & skf21("6","4","6","1","2","5","6","1") = "5"
    & skf21("6","4","6","1","2","5","7","1") = "6"
    & skf21("6","4","6","1","2","6","1","1") = "5"
    & skf21("6","4","6","1","2","6","2","1") = "5"
    & skf21("6","4","6","1","2","6","3","1") = "5"
    & skf21("6","4","6","1","2","6","4","1") = "5"
    & skf21("6","4","6","1","2","6","5","1") = "5"
    & skf21("6","4","6","1","2","6","6","1") = "5"
    & skf21("6","4","6","1","2","6","7","1") = "6"
    & skf21("6","4","6","1","2","7","1","1") = "6"
    & skf21("6","4","6","1","2","7","2","1") = "6"
    & skf21("6","4","6","1","2","7","3","1") = "6"
    & skf21("6","4","6","1","2","7","4","1") = "6"
    & skf21("6","4","6","1","2","7","5","1") = "6"
    & skf21("6","4","6","1","2","7","6","1") = "6"
    & skf21("6","4","6","1","2","7","7","1") = "6"
    & skf21("6","4","6","1","3","1","1","1") = "5"
    & skf21("6","4","6","1","3","1","2","1") = "5"
    & skf21("6","4","6","1","3","1","3","1") = "5"
    & skf21("6","4","6","1","3","1","4","1") = "5"
    & skf21("6","4","6","1","3","1","5","1") = "5"
    & skf21("6","4","6","1","3","1","6","1") = "5"
    & skf21("6","4","6","1","3","1","7","1") = "6"
    & skf21("6","4","6","1","3","2","1","1") = "5"
    & skf21("6","4","6","1","3","2","2","1") = "5"
    & skf21("6","4","6","1","3","2","3","1") = "5"
    & skf21("6","4","6","1","3","2","4","1") = "5"
    & skf21("6","4","6","1","3","2","5","1") = "5"
    & skf21("6","4","6","1","3","2","6","1") = "5"
    & skf21("6","4","6","1","3","2","7","1") = "6"
    & skf21("6","4","6","1","3","3","1","1") = "5"
    & skf21("6","4","6","1","3","3","2","1") = "5"
    & skf21("6","4","6","1","3","3","3","1") = "5"
    & skf21("6","4","6","1","3","3","4","1") = "5"
    & skf21("6","4","6","1","3","3","5","1") = "5"
    & skf21("6","4","6","1","3","3","6","1") = "5"
    & skf21("6","4","6","1","3","3","7","1") = "6"
    & skf21("6","4","6","1","3","4","1","1") = "5"
    & skf21("6","4","6","1","3","4","2","1") = "5"
    & skf21("6","4","6","1","3","4","3","1") = "5"
    & skf21("6","4","6","1","3","4","4","1") = "5"
    & skf21("6","4","6","1","3","4","5","1") = "5"
    & skf21("6","4","6","1","3","4","6","1") = "5"
    & skf21("6","4","6","1","3","4","7","1") = "6"
    & skf21("6","4","6","1","3","5","1","1") = "5"
    & skf21("6","4","6","1","3","5","2","1") = "5"
    & skf21("6","4","6","1","3","5","3","1") = "5"
    & skf21("6","4","6","1","3","5","4","1") = "5"
    & skf21("6","4","6","1","3","5","5","1") = "5"
    & skf21("6","4","6","1","3","5","6","1") = "5"
    & skf21("6","4","6","1","3","5","7","1") = "6"
    & skf21("6","4","6","1","3","6","1","1") = "5"
    & skf21("6","4","6","1","3","6","2","1") = "5"
    & skf21("6","4","6","1","3","6","3","1") = "5"
    & skf21("6","4","6","1","3","6","4","1") = "5"
    & skf21("6","4","6","1","3","6","5","1") = "5"
    & skf21("6","4","6","1","3","6","6","1") = "5"
    & skf21("6","4","6","1","3","6","7","1") = "6"
    & skf21("6","4","6","1","3","7","1","1") = "6"
    & skf21("6","4","6","1","3","7","2","1") = "6"
    & skf21("6","4","6","1","3","7","3","1") = "6"
    & skf21("6","4","6","1","3","7","4","1") = "6"
    & skf21("6","4","6","1","3","7","5","1") = "6"
    & skf21("6","4","6","1","3","7","6","1") = "6"
    & skf21("6","4","6","1","3","7","7","1") = "6"
    & skf21("6","4","6","1","4","1","1","1") = "5"
    & skf21("6","4","6","1","4","1","2","1") = "5"
    & skf21("6","4","6","1","4","1","3","1") = "5"
    & skf21("6","4","6","1","4","1","4","1") = "5"
    & skf21("6","4","6","1","4","1","5","1") = "5"
    & skf21("6","4","6","1","4","1","6","1") = "5"
    & skf21("6","4","6","1","4","1","7","1") = "6"
    & skf21("6","4","6","1","4","2","1","1") = "5"
    & skf21("6","4","6","1","4","2","2","1") = "5"
    & skf21("6","4","6","1","4","2","3","1") = "5"
    & skf21("6","4","6","1","4","2","4","1") = "5"
    & skf21("6","4","6","1","4","2","5","1") = "5"
    & skf21("6","4","6","1","4","2","6","1") = "5"
    & skf21("6","4","6","1","4","2","7","1") = "6"
    & skf21("6","4","6","1","4","3","1","1") = "5"
    & skf21("6","4","6","1","4","3","2","1") = "5"
    & skf21("6","4","6","1","4","3","3","1") = "5"
    & skf21("6","4","6","1","4","3","4","1") = "5"
    & skf21("6","4","6","1","4","3","5","1") = "5"
    & skf21("6","4","6","1","4","3","6","1") = "5"
    & skf21("6","4","6","1","4","3","7","1") = "6"
    & skf21("6","4","6","1","4","4","1","1") = "5"
    & skf21("6","4","6","1","4","4","2","1") = "5"
    & skf21("6","4","6","1","4","4","3","1") = "5"
    & skf21("6","4","6","1","4","4","4","1") = "5"
    & skf21("6","4","6","1","4","4","5","1") = "5"
    & skf21("6","4","6","1","4","4","6","1") = "5"
    & skf21("6","4","6","1","4","4","7","1") = "6"
    & skf21("6","4","6","1","4","5","1","1") = "5"
    & skf21("6","4","6","1","4","5","2","1") = "5"
    & skf21("6","4","6","1","4","5","3","1") = "5"
    & skf21("6","4","6","1","4","5","4","1") = "5"
    & skf21("6","4","6","1","4","5","5","1") = "5"
    & skf21("6","4","6","1","4","5","6","1") = "5"
    & skf21("6","4","6","1","4","5","7","1") = "6"
    & skf21("6","4","6","1","4","6","1","1") = "5"
    & skf21("6","4","6","1","4","6","2","1") = "5"
    & skf21("6","4","6","1","4","6","3","1") = "5"
    & skf21("6","4","6","1","4","6","4","1") = "5"
    & skf21("6","4","6","1","4","6","5","1") = "5"
    & skf21("6","4","6","1","4","6","6","1") = "5"
    & skf21("6","4","6","1","4","6","7","1") = "6"
    & skf21("6","4","6","1","4","7","1","1") = "6"
    & skf21("6","4","6","1","4","7","2","1") = "6"
    & skf21("6","4","6","1","4","7","3","1") = "6"
    & skf21("6","4","6","1","4","7","4","1") = "6"
    & skf21("6","4","6","1","4","7","5","1") = "6"
    & skf21("6","4","6","1","4","7","6","1") = "6"
    & skf21("6","4","6","1","4","7","7","1") = "6"
    & skf21("6","4","6","1","5","1","1","1") = "5"
    & skf21("6","4","6","1","5","1","2","1") = "5"
    & skf21("6","4","6","1","5","1","3","1") = "5"
    & skf21("6","4","6","1","5","1","4","1") = "5"
    & skf21("6","4","6","1","5","1","5","1") = "5"
    & skf21("6","4","6","1","5","1","6","1") = "5"
    & skf21("6","4","6","1","5","1","7","1") = "6"
    & skf21("6","4","6","1","5","2","1","1") = "5"
    & skf21("6","4","6","1","5","2","2","1") = "5"
    & skf21("6","4","6","1","5","2","3","1") = "5"
    & skf21("6","4","6","1","5","2","4","1") = "5"
    & skf21("6","4","6","1","5","2","5","1") = "5"
    & skf21("6","4","6","1","5","2","6","1") = "5"
    & skf21("6","4","6","1","5","2","7","1") = "6"
    & skf21("6","4","6","1","5","3","1","1") = "5"
    & skf21("6","4","6","1","5","3","2","1") = "5"
    & skf21("6","4","6","1","5","3","3","1") = "5"
    & skf21("6","4","6","1","5","3","4","1") = "5"
    & skf21("6","4","6","1","5","3","5","1") = "5"
    & skf21("6","4","6","1","5","3","6","1") = "5"
    & skf21("6","4","6","1","5","3","7","1") = "6"
    & skf21("6","4","6","1","5","4","1","1") = "5"
    & skf21("6","4","6","1","5","4","2","1") = "5"
    & skf21("6","4","6","1","5","4","3","1") = "5"
    & skf21("6","4","6","1","5","4","4","1") = "5"
    & skf21("6","4","6","1","5","4","5","1") = "5"
    & skf21("6","4","6","1","5","4","6","1") = "5"
    & skf21("6","4","6","1","5","4","7","1") = "6"
    & skf21("6","4","6","1","5","5","1","1") = "5"
    & skf21("6","4","6","1","5","5","2","1") = "5"
    & skf21("6","4","6","1","5","5","3","1") = "5"
    & skf21("6","4","6","1","5","5","4","1") = "5"
    & skf21("6","4","6","1","5","5","5","1") = "5"
    & skf21("6","4","6","1","5","5","6","1") = "5"
    & skf21("6","4","6","1","5","5","7","1") = "6"
    & skf21("6","4","6","1","5","6","1","1") = "5"
    & skf21("6","4","6","1","5","6","2","1") = "5"
    & skf21("6","4","6","1","5","6","3","1") = "5"
    & skf21("6","4","6","1","5","6","4","1") = "5"
    & skf21("6","4","6","1","5","6","5","1") = "5"
    & skf21("6","4","6","1","5","6","6","1") = "5"
    & skf21("6","4","6","1","5","6","7","1") = "6"
    & skf21("6","4","6","1","5","7","1","1") = "6"
    & skf21("6","4","6","1","5","7","2","1") = "6"
    & skf21("6","4","6","1","5","7","3","1") = "6"
    & skf21("6","4","6","1","5","7","4","1") = "6"
    & skf21("6","4","6","1","5","7","5","1") = "6"
    & skf21("6","4","6","1","5","7","6","1") = "6"
    & skf21("6","4","6","1","5","7","7","1") = "6"
    & skf21("6","4","6","1","6","1","1","1") = "5"
    & skf21("6","4","6","1","6","1","2","1") = "5"
    & skf21("6","4","6","1","6","1","3","1") = "5"
    & skf21("6","4","6","1","6","1","4","1") = "5"
    & skf21("6","4","6","1","6","1","5","1") = "5"
    & skf21("6","4","6","1","6","1","6","1") = "5"
    & skf21("6","4","6","1","6","1","7","1") = "6"
    & skf21("6","4","6","1","6","2","1","1") = "5"
    & skf21("6","4","6","1","6","2","2","1") = "5"
    & skf21("6","4","6","1","6","2","3","1") = "5"
    & skf21("6","4","6","1","6","2","4","1") = "5"
    & skf21("6","4","6","1","6","2","5","1") = "5"
    & skf21("6","4","6","1","6","2","6","1") = "5"
    & skf21("6","4","6","1","6","2","7","1") = "6"
    & skf21("6","4","6","1","6","3","1","1") = "5"
    & skf21("6","4","6","1","6","3","2","1") = "5"
    & skf21("6","4","6","1","6","3","3","1") = "5"
    & skf21("6","4","6","1","6","3","4","1") = "5"
    & skf21("6","4","6","1","6","3","5","1") = "5"
    & skf21("6","4","6","1","6","3","6","1") = "5"
    & skf21("6","4","6","1","6","3","7","1") = "6"
    & skf21("6","4","6","1","6","4","1","1") = "5"
    & skf21("6","4","6","1","6","4","2","1") = "5"
    & skf21("6","4","6","1","6","4","3","1") = "5"
    & skf21("6","4","6","1","6","4","4","1") = "5"
    & skf21("6","4","6","1","6","4","5","1") = "5"
    & skf21("6","4","6","1","6","4","6","1") = "5"
    & skf21("6","4","6","1","6","4","7","1") = "6"
    & skf21("6","4","6","1","6","5","1","1") = "5"
    & skf21("6","4","6","1","6","5","2","1") = "5"
    & skf21("6","4","6","1","6","5","3","1") = "5"
    & skf21("6","4","6","1","6","5","4","1") = "5"
    & skf21("6","4","6","1","6","5","5","1") = "5"
    & skf21("6","4","6","1","6","5","6","1") = "5"
    & skf21("6","4","6","1","6","5","7","1") = "6"
    & skf21("6","4","6","1","6","6","1","1") = "5"
    & skf21("6","4","6","1","6","6","2","1") = "5"
    & skf21("6","4","6","1","6","6","3","1") = "5"
    & skf21("6","4","6","1","6","6","4","1") = "5"
    & skf21("6","4","6","1","6","6","5","1") = "5"
    & skf21("6","4","6","1","6","6","6","1") = "5"
    & skf21("6","4","6","1","6","6","7","1") = "6"
    & skf21("6","4","6","1","6","7","1","1") = "6"
    & skf21("6","4","6","1","6","7","2","1") = "6"
    & skf21("6","4","6","1","6","7","3","1") = "6"
    & skf21("6","4","6","1","6","7","4","1") = "6"
    & skf21("6","4","6","1","6","7","5","1") = "6"
    & skf21("6","4","6","1","6","7","6","1") = "6"
    & skf21("6","4","6","1","6","7","7","1") = "6"
    & skf21("6","4","6","1","7","1","1","1") = "6"
    & skf21("6","4","6","1","7","1","2","1") = "6"
    & skf21("6","4","6","1","7","1","3","1") = "6"
    & skf21("6","4","6","1","7","1","4","1") = "6"
    & skf21("6","4","6","1","7","1","5","1") = "6"
    & skf21("6","4","6","1","7","1","6","1") = "6"
    & skf21("6","4","6","1","7","1","7","1") = "6"
    & skf21("6","4","6","1","7","2","1","1") = "6"
    & skf21("6","4","6","1","7","2","2","1") = "6"
    & skf21("6","4","6","1","7","2","3","1") = "6"
    & skf21("6","4","6","1","7","2","4","1") = "6"
    & skf21("6","4","6","1","7","2","5","1") = "6"
    & skf21("6","4","6","1","7","2","6","1") = "6"
    & skf21("6","4","6","1","7","2","7","1") = "6"
    & skf21("6","4","6","1","7","3","1","1") = "6"
    & skf21("6","4","6","1","7","3","2","1") = "6"
    & skf21("6","4","6","1","7","3","3","1") = "6"
    & skf21("6","4","6","1","7","3","4","1") = "6"
    & skf21("6","4","6","1","7","3","5","1") = "6"
    & skf21("6","4","6","1","7","3","6","1") = "6"
    & skf21("6","4","6","1","7","3","7","1") = "6"
    & skf21("6","4","6","1","7","4","1","1") = "6"
    & skf21("6","4","6","1","7","4","2","1") = "6"
    & skf21("6","4","6","1","7","4","3","1") = "6"
    & skf21("6","4","6","1","7","4","4","1") = "6"
    & skf21("6","4","6","1","7","4","5","1") = "6"
    & skf21("6","4","6","1","7","4","6","1") = "6"
    & skf21("6","4","6","1","7","4","7","1") = "6"
    & skf21("6","4","6","1","7","5","1","1") = "6"
    & skf21("6","4","6","1","7","5","2","1") = "6"
    & skf21("6","4","6","1","7","5","3","1") = "6"
    & skf21("6","4","6","1","7","5","4","1") = "6"
    & skf21("6","4","6","1","7","5","5","1") = "6"
    & skf21("6","4","6","1","7","5","6","1") = "6"
    & skf21("6","4","6","1","7","5","7","1") = "6"
    & skf21("6","4","6","1","7","6","1","1") = "6"
    & skf21("6","4","6","1","7","6","2","1") = "6"
    & skf21("6","4","6","1","7","6","3","1") = "6"
    & skf21("6","4","6","1","7","6","4","1") = "6"
    & skf21("6","4","6","1","7","6","5","1") = "6"
    & skf21("6","4","6","1","7","6","6","1") = "6"
    & skf21("6","4","6","1","7","6","7","1") = "6"
    & skf21("6","4","6","1","7","7","1","1") = "6"
    & skf21("6","4","6","1","7","7","2","1") = "6"
    & skf21("6","4","6","1","7","7","3","1") = "6"
    & skf21("6","4","6","1","7","7","4","1") = "6"
    & skf21("6","4","6","1","7","7","5","1") = "6"
    & skf21("6","4","6","1","7","7","6","1") = "6"
    & skf21("6","4","6","1","7","7","7","1") = "6"
    & skf21("6","4","6","2","1","1","1","1") = "5"
    & skf21("6","4","6","2","1","1","2","1") = "5"
    & skf21("6","4","6","2","1","1","3","1") = "5"
    & skf21("6","4","6","2","1","1","4","1") = "5"
    & skf21("6","4","6","2","1","1","5","1") = "5"
    & skf21("6","4","6","2","1","1","6","1") = "5"
    & skf21("6","4","6","2","1","1","7","1") = "6"
    & skf21("6","4","6","2","1","2","1","1") = "5"
    & skf21("6","4","6","2","1","2","2","1") = "5"
    & skf21("6","4","6","2","1","2","3","1") = "5"
    & skf21("6","4","6","2","1","2","4","1") = "5"
    & skf21("6","4","6","2","1","2","5","1") = "5"
    & skf21("6","4","6","2","1","2","6","1") = "5"
    & skf21("6","4","6","2","1","2","7","1") = "6"
    & skf21("6","4","6","2","1","3","1","1") = "5"
    & skf21("6","4","6","2","1","3","2","1") = "5"
    & skf21("6","4","6","2","1","3","3","1") = "5"
    & skf21("6","4","6","2","1","3","4","1") = "5"
    & skf21("6","4","6","2","1","3","5","1") = "5"
    & skf21("6","4","6","2","1","3","6","1") = "5"
    & skf21("6","4","6","2","1","3","7","1") = "6"
    & skf21("6","4","6","2","1","4","1","1") = "5"
    & skf21("6","4","6","2","1","4","2","1") = "5"
    & skf21("6","4","6","2","1","4","3","1") = "5"
    & skf21("6","4","6","2","1","4","4","1") = "5"
    & skf21("6","4","6","2","1","4","5","1") = "5"
    & skf21("6","4","6","2","1","4","6","1") = "5"
    & skf21("6","4","6","2","1","4","7","1") = "6"
    & skf21("6","4","6","2","1","5","1","1") = "5"
    & skf21("6","4","6","2","1","5","2","1") = "5"
    & skf21("6","4","6","2","1","5","3","1") = "5"
    & skf21("6","4","6","2","1","5","4","1") = "5"
    & skf21("6","4","6","2","1","5","5","1") = "5"
    & skf21("6","4","6","2","1","5","6","1") = "5"
    & skf21("6","4","6","2","1","5","7","1") = "6"
    & skf21("6","4","6","2","1","6","1","1") = "5"
    & skf21("6","4","6","2","1","6","2","1") = "5"
    & skf21("6","4","6","2","1","6","3","1") = "5"
    & skf21("6","4","6","2","1","6","4","1") = "5"
    & skf21("6","4","6","2","1","6","5","1") = "5"
    & skf21("6","4","6","2","1","6","6","1") = "5"
    & skf21("6","4","6","2","1","6","7","1") = "6"
    & skf21("6","4","6","2","1","7","1","1") = "6"
    & skf21("6","4","6","2","1","7","2","1") = "6"
    & skf21("6","4","6","2","1","7","3","1") = "6"
    & skf21("6","4","6","2","1","7","4","1") = "6"
    & skf21("6","4","6","2","1","7","5","1") = "6"
    & skf21("6","4","6","2","1","7","6","1") = "6"
    & skf21("6","4","6","2","1","7","7","1") = "6"
    & skf21("6","4","6","2","2","1","1","1") = "5"
    & skf21("6","4","6","2","2","1","2","1") = "5"
    & skf21("6","4","6","2","2","1","3","1") = "5"
    & skf21("6","4","6","2","2","1","4","1") = "5"
    & skf21("6","4","6","2","2","1","5","1") = "5"
    & skf21("6","4","6","2","2","1","6","1") = "5"
    & skf21("6","4","6","2","2","1","7","1") = "6"
    & skf21("6","4","6","2","2","2","1","1") = "5"
    & skf21("6","4","6","2","2","2","2","1") = "5"
    & skf21("6","4","6","2","2","2","3","1") = "5"
    & skf21("6","4","6","2","2","2","4","1") = "5"
    & skf21("6","4","6","2","2","2","5","1") = "5"
    & skf21("6","4","6","2","2","2","6","1") = "5"
    & skf21("6","4","6","2","2","2","7","1") = "6"
    & skf21("6","4","6","2","2","3","1","1") = "5"
    & skf21("6","4","6","2","2","3","2","1") = "5"
    & skf21("6","4","6","2","2","3","3","1") = "5"
    & skf21("6","4","6","2","2","3","4","1") = "5"
    & skf21("6","4","6","2","2","3","5","1") = "5"
    & skf21("6","4","6","2","2","3","6","1") = "5"
    & skf21("6","4","6","2","2","3","7","1") = "6"
    & skf21("6","4","6","2","2","4","1","1") = "5"
    & skf21("6","4","6","2","2","4","2","1") = "5"
    & skf21("6","4","6","2","2","4","3","1") = "5"
    & skf21("6","4","6","2","2","4","4","1") = "5"
    & skf21("6","4","6","2","2","4","5","1") = "5"
    & skf21("6","4","6","2","2","4","6","1") = "5"
    & skf21("6","4","6","2","2","4","7","1") = "6"
    & skf21("6","4","6","2","2","5","1","1") = "5"
    & skf21("6","4","6","2","2","5","2","1") = "5"
    & skf21("6","4","6","2","2","5","3","1") = "5"
    & skf21("6","4","6","2","2","5","4","1") = "5"
    & skf21("6","4","6","2","2","5","5","1") = "5"
    & skf21("6","4","6","2","2","5","6","1") = "5"
    & skf21("6","4","6","2","2","5","7","1") = "6"
    & skf21("6","4","6","2","2","6","1","1") = "5"
    & skf21("6","4","6","2","2","6","2","1") = "5"
    & skf21("6","4","6","2","2","6","3","1") = "5"
    & skf21("6","4","6","2","2","6","4","1") = "5"
    & skf21("6","4","6","2","2","6","5","1") = "5"
    & skf21("6","4","6","2","2","6","6","1") = "5"
    & skf21("6","4","6","2","2","6","7","1") = "6"
    & skf21("6","4","6","2","2","7","1","1") = "6"
    & skf21("6","4","6","2","2","7","2","1") = "6"
    & skf21("6","4","6","2","2","7","3","1") = "6"
    & skf21("6","4","6","2","2","7","4","1") = "6"
    & skf21("6","4","6","2","2","7","5","1") = "6"
    & skf21("6","4","6","2","2","7","6","1") = "6"
    & skf21("6","4","6","2","2","7","7","1") = "6"
    & skf21("6","4","6","2","3","1","1","1") = "5"
    & skf21("6","4","6","2","3","1","2","1") = "5"
    & skf21("6","4","6","2","3","1","3","1") = "5"
    & skf21("6","4","6","2","3","1","4","1") = "5"
    & skf21("6","4","6","2","3","1","5","1") = "5"
    & skf21("6","4","6","2","3","1","6","1") = "5"
    & skf21("6","4","6","2","3","1","7","1") = "6"
    & skf21("6","4","6","2","3","2","1","1") = "5"
    & skf21("6","4","6","2","3","2","2","1") = "5"
    & skf21("6","4","6","2","3","2","3","1") = "5"
    & skf21("6","4","6","2","3","2","4","1") = "5"
    & skf21("6","4","6","2","3","2","5","1") = "5"
    & skf21("6","4","6","2","3","2","6","1") = "5"
    & skf21("6","4","6","2","3","2","7","1") = "6"
    & skf21("6","4","6","2","3","3","1","1") = "5"
    & skf21("6","4","6","2","3","3","2","1") = "5"
    & skf21("6","4","6","2","3","3","3","1") = "5"
    & skf21("6","4","6","2","3","3","4","1") = "5"
    & skf21("6","4","6","2","3","3","5","1") = "5"
    & skf21("6","4","6","2","3","3","6","1") = "5"
    & skf21("6","4","6","2","3","3","7","1") = "6"
    & skf21("6","4","6","2","3","4","1","1") = "5"
    & skf21("6","4","6","2","3","4","2","1") = "5"
    & skf21("6","4","6","2","3","4","3","1") = "5"
    & skf21("6","4","6","2","3","4","4","1") = "5"
    & skf21("6","4","6","2","3","4","5","1") = "5"
    & skf21("6","4","6","2","3","4","6","1") = "5"
    & skf21("6","4","6","2","3","4","7","1") = "6"
    & skf21("6","4","6","2","3","5","1","1") = "5"
    & skf21("6","4","6","2","3","5","2","1") = "5"
    & skf21("6","4","6","2","3","5","3","1") = "5"
    & skf21("6","4","6","2","3","5","4","1") = "5"
    & skf21("6","4","6","2","3","5","5","1") = "5"
    & skf21("6","4","6","2","3","5","6","1") = "5"
    & skf21("6","4","6","2","3","5","7","1") = "6"
    & skf21("6","4","6","2","3","6","1","1") = "5"
    & skf21("6","4","6","2","3","6","2","1") = "5"
    & skf21("6","4","6","2","3","6","3","1") = "5"
    & skf21("6","4","6","2","3","6","4","1") = "5"
    & skf21("6","4","6","2","3","6","5","1") = "5"
    & skf21("6","4","6","2","3","6","6","1") = "5"
    & skf21("6","4","6","2","3","6","7","1") = "6"
    & skf21("6","4","6","2","3","7","1","1") = "6"
    & skf21("6","4","6","2","3","7","2","1") = "6"
    & skf21("6","4","6","2","3","7","3","1") = "6"
    & skf21("6","4","6","2","3","7","4","1") = "6"
    & skf21("6","4","6","2","3","7","5","1") = "6"
    & skf21("6","4","6","2","3","7","6","1") = "6"
    & skf21("6","4","6","2","3","7","7","1") = "6"
    & skf21("6","4","6","2","4","1","1","1") = "5"
    & skf21("6","4","6","2","4","1","2","1") = "5"
    & skf21("6","4","6","2","4","1","3","1") = "5"
    & skf21("6","4","6","2","4","1","4","1") = "5"
    & skf21("6","4","6","2","4","1","5","1") = "5"
    & skf21("6","4","6","2","4","1","6","1") = "5"
    & skf21("6","4","6","2","4","1","7","1") = "6"
    & skf21("6","4","6","2","4","2","1","1") = "5"
    & skf21("6","4","6","2","4","2","2","1") = "5"
    & skf21("6","4","6","2","4","2","3","1") = "5"
    & skf21("6","4","6","2","4","2","4","1") = "5"
    & skf21("6","4","6","2","4","2","5","1") = "5"
    & skf21("6","4","6","2","4","2","6","1") = "5"
    & skf21("6","4","6","2","4","2","7","1") = "6"
    & skf21("6","4","6","2","4","3","1","1") = "5"
    & skf21("6","4","6","2","4","3","2","1") = "5"
    & skf21("6","4","6","2","4","3","3","1") = "5"
    & skf21("6","4","6","2","4","3","4","1") = "5"
    & skf21("6","4","6","2","4","3","5","1") = "5"
    & skf21("6","4","6","2","4","3","6","1") = "5"
    & skf21("6","4","6","2","4","3","7","1") = "6"
    & skf21("6","4","6","2","4","4","1","1") = "5"
    & skf21("6","4","6","2","4","4","2","1") = "5"
    & skf21("6","4","6","2","4","4","3","1") = "5"
    & skf21("6","4","6","2","4","4","4","1") = "5"
    & skf21("6","4","6","2","4","4","5","1") = "5"
    & skf21("6","4","6","2","4","4","6","1") = "5"
    & skf21("6","4","6","2","4","4","7","1") = "6"
    & skf21("6","4","6","2","4","5","1","1") = "5"
    & skf21("6","4","6","2","4","5","2","1") = "5"
    & skf21("6","4","6","2","4","5","3","1") = "5"
    & skf21("6","4","6","2","4","5","4","1") = "5"
    & skf21("6","4","6","2","4","5","5","1") = "5"
    & skf21("6","4","6","2","4","5","6","1") = "5"
    & skf21("6","4","6","2","4","5","7","1") = "6"
    & skf21("6","4","6","2","4","6","1","1") = "5"
    & skf21("6","4","6","2","4","6","2","1") = "5"
    & skf21("6","4","6","2","4","6","3","1") = "5"
    & skf21("6","4","6","2","4","6","4","1") = "5"
    & skf21("6","4","6","2","4","6","5","1") = "5"
    & skf21("6","4","6","2","4","6","6","1") = "5"
    & skf21("6","4","6","2","4","6","7","1") = "6"
    & skf21("6","4","6","2","4","7","1","1") = "6"
    & skf21("6","4","6","2","4","7","2","1") = "6"
    & skf21("6","4","6","2","4","7","3","1") = "6"
    & skf21("6","4","6","2","4","7","4","1") = "6"
    & skf21("6","4","6","2","4","7","5","1") = "6"
    & skf21("6","4","6","2","4","7","6","1") = "6"
    & skf21("6","4","6","2","4","7","7","1") = "6"
    & skf21("6","4","6","2","5","1","1","1") = "5"
    & skf21("6","4","6","2","5","1","2","1") = "5"
    & skf21("6","4","6","2","5","1","3","1") = "5"
    & skf21("6","4","6","2","5","1","4","1") = "5"
    & skf21("6","4","6","2","5","1","5","1") = "5"
    & skf21("6","4","6","2","5","1","6","1") = "5"
    & skf21("6","4","6","2","5","1","7","1") = "6"
    & skf21("6","4","6","2","5","2","1","1") = "5"
    & skf21("6","4","6","2","5","2","2","1") = "5"
    & skf21("6","4","6","2","5","2","3","1") = "5"
    & skf21("6","4","6","2","5","2","4","1") = "5"
    & skf21("6","4","6","2","5","2","5","1") = "5"
    & skf21("6","4","6","2","5","2","6","1") = "5"
    & skf21("6","4","6","2","5","2","7","1") = "6"
    & skf21("6","4","6","2","5","3","1","1") = "5"
    & skf21("6","4","6","2","5","3","2","1") = "5"
    & skf21("6","4","6","2","5","3","3","1") = "5"
    & skf21("6","4","6","2","5","3","4","1") = "5"
    & skf21("6","4","6","2","5","3","5","1") = "5"
    & skf21("6","4","6","2","5","3","6","1") = "5"
    & skf21("6","4","6","2","5","3","7","1") = "6"
    & skf21("6","4","6","2","5","4","1","1") = "5"
    & skf21("6","4","6","2","5","4","2","1") = "5"
    & skf21("6","4","6","2","5","4","3","1") = "5"
    & skf21("6","4","6","2","5","4","4","1") = "5"
    & skf21("6","4","6","2","5","4","5","1") = "5"
    & skf21("6","4","6","2","5","4","6","1") = "5"
    & skf21("6","4","6","2","5","4","7","1") = "6"
    & skf21("6","4","6","2","5","5","1","1") = "5"
    & skf21("6","4","6","2","5","5","2","1") = "5"
    & skf21("6","4","6","2","5","5","3","1") = "5"
    & skf21("6","4","6","2","5","5","4","1") = "5"
    & skf21("6","4","6","2","5","5","5","1") = "5"
    & skf21("6","4","6","2","5","5","6","1") = "5"
    & skf21("6","4","6","2","5","5","7","1") = "6"
    & skf21("6","4","6","2","5","6","1","1") = "5"
    & skf21("6","4","6","2","5","6","2","1") = "5"
    & skf21("6","4","6","2","5","6","3","1") = "5"
    & skf21("6","4","6","2","5","6","4","1") = "5"
    & skf21("6","4","6","2","5","6","5","1") = "5"
    & skf21("6","4","6","2","5","6","6","1") = "5"
    & skf21("6","4","6","2","5","6","7","1") = "6"
    & skf21("6","4","6","2","5","7","1","1") = "6"
    & skf21("6","4","6","2","5","7","2","1") = "6"
    & skf21("6","4","6","2","5","7","3","1") = "6"
    & skf21("6","4","6","2","5","7","4","1") = "6"
    & skf21("6","4","6","2","5","7","5","1") = "6"
    & skf21("6","4","6","2","5","7","6","1") = "6"
    & skf21("6","4","6","2","5","7","7","1") = "6"
    & skf21("6","4","6","2","6","1","1","1") = "5"
    & skf21("6","4","6","2","6","1","2","1") = "5"
    & skf21("6","4","6","2","6","1","3","1") = "5"
    & skf21("6","4","6","2","6","1","4","1") = "5"
    & skf21("6","4","6","2","6","1","5","1") = "5"
    & skf21("6","4","6","2","6","1","6","1") = "5"
    & skf21("6","4","6","2","6","1","7","1") = "6"
    & skf21("6","4","6","2","6","2","1","1") = "5"
    & skf21("6","4","6","2","6","2","2","1") = "5"
    & skf21("6","4","6","2","6","2","3","1") = "5"
    & skf21("6","4","6","2","6","2","4","1") = "5"
    & skf21("6","4","6","2","6","2","5","1") = "5"
    & skf21("6","4","6","2","6","2","6","1") = "5"
    & skf21("6","4","6","2","6","2","7","1") = "6"
    & skf21("6","4","6","2","6","3","1","1") = "5"
    & skf21("6","4","6","2","6","3","2","1") = "5"
    & skf21("6","4","6","2","6","3","3","1") = "5"
    & skf21("6","4","6","2","6","3","4","1") = "5"
    & skf21("6","4","6","2","6","3","5","1") = "5"
    & skf21("6","4","6","2","6","3","6","1") = "5"
    & skf21("6","4","6","2","6","3","7","1") = "6"
    & skf21("6","4","6","2","6","4","1","1") = "5"
    & skf21("6","4","6","2","6","4","2","1") = "5"
    & skf21("6","4","6","2","6","4","3","1") = "5"
    & skf21("6","4","6","2","6","4","4","1") = "5"
    & skf21("6","4","6","2","6","4","5","1") = "5"
    & skf21("6","4","6","2","6","4","6","1") = "5"
    & skf21("6","4","6","2","6","4","7","1") = "6"
    & skf21("6","4","6","2","6","5","1","1") = "5"
    & skf21("6","4","6","2","6","5","2","1") = "5"
    & skf21("6","4","6","2","6","5","3","1") = "5"
    & skf21("6","4","6","2","6","5","4","1") = "5"
    & skf21("6","4","6","2","6","5","5","1") = "5"
    & skf21("6","4","6","2","6","5","6","1") = "5"
    & skf21("6","4","6","2","6","5","7","1") = "6"
    & skf21("6","4","6","2","6","6","1","1") = "5"
    & skf21("6","4","6","2","6","6","2","1") = "5"
    & skf21("6","4","6","2","6","6","3","1") = "5"
    & skf21("6","4","6","2","6","6","4","1") = "5"
    & skf21("6","4","6","2","6","6","5","1") = "5"
    & skf21("6","4","6","2","6","6","6","1") = "5"
    & skf21("6","4","6","2","6","6","7","1") = "6"
    & skf21("6","4","6","2","6","7","1","1") = "6"
    & skf21("6","4","6","2","6","7","2","1") = "6"
    & skf21("6","4","6","2","6","7","3","1") = "6"
    & skf21("6","4","6","2","6","7","4","1") = "6"
    & skf21("6","4","6","2","6","7","5","1") = "6"
    & skf21("6","4","6","2","6","7","6","1") = "6"
    & skf21("6","4","6","2","6","7","7","1") = "6"
    & skf21("6","4","6","2","7","1","1","1") = "6"
    & skf21("6","4","6","2","7","1","2","1") = "6"
    & skf21("6","4","6","2","7","1","3","1") = "6"
    & skf21("6","4","6","2","7","1","4","1") = "6"
    & skf21("6","4","6","2","7","1","5","1") = "6"
    & skf21("6","4","6","2","7","1","6","1") = "6"
    & skf21("6","4","6","2","7","1","7","1") = "6"
    & skf21("6","4","6","2","7","2","1","1") = "6"
    & skf21("6","4","6","2","7","2","2","1") = "6"
    & skf21("6","4","6","2","7","2","3","1") = "6"
    & skf21("6","4","6","2","7","2","4","1") = "6"
    & skf21("6","4","6","2","7","2","5","1") = "6"
    & skf21("6","4","6","2","7","2","6","1") = "6"
    & skf21("6","4","6","2","7","2","7","1") = "6"
    & skf21("6","4","6","2","7","3","1","1") = "6"
    & skf21("6","4","6","2","7","3","2","1") = "6"
    & skf21("6","4","6","2","7","3","3","1") = "6"
    & skf21("6","4","6","2","7","3","4","1") = "6"
    & skf21("6","4","6","2","7","3","5","1") = "6"
    & skf21("6","4","6","2","7","3","6","1") = "6"
    & skf21("6","4","6","2","7","3","7","1") = "6"
    & skf21("6","4","6","2","7","4","1","1") = "6"
    & skf21("6","4","6","2","7","4","2","1") = "6"
    & skf21("6","4","6","2","7","4","3","1") = "6"
    & skf21("6","4","6","2","7","4","4","1") = "6"
    & skf21("6","4","6","2","7","4","5","1") = "6"
    & skf21("6","4","6","2","7","4","6","1") = "6"
    & skf21("6","4","6","2","7","4","7","1") = "6"
    & skf21("6","4","6","2","7","5","1","1") = "6"
    & skf21("6","4","6","2","7","5","2","1") = "6"
    & skf21("6","4","6","2","7","5","3","1") = "6"
    & skf21("6","4","6","2","7","5","4","1") = "6"
    & skf21("6","4","6","2","7","5","5","1") = "6"
    & skf21("6","4","6","2","7","5","6","1") = "6"
    & skf21("6","4","6","2","7","5","7","1") = "6"
    & skf21("6","4","6","2","7","6","1","1") = "6"
    & skf21("6","4","6","2","7","6","2","1") = "6"
    & skf21("6","4","6","2","7","6","3","1") = "6"
    & skf21("6","4","6","2","7","6","4","1") = "6"
    & skf21("6","4","6","2","7","6","5","1") = "6"
    & skf21("6","4","6","2","7","6","6","1") = "6"
    & skf21("6","4","6","2","7","6","7","1") = "6"
    & skf21("6","4","6","2","7","7","1","1") = "6"
    & skf21("6","4","6","2","7","7","2","1") = "6"
    & skf21("6","4","6","2","7","7","3","1") = "6"
    & skf21("6","4","6","2","7","7","4","1") = "6"
    & skf21("6","4","6","2","7","7","5","1") = "6"
    & skf21("6","4","6","2","7","7","6","1") = "6"
    & skf21("6","4","6","2","7","7","7","1") = "6"
    & skf21("6","4","6","3","1","1","1","1") = "5"
    & skf21("6","4","6","3","1","1","2","1") = "5"
    & skf21("6","4","6","3","1","1","3","1") = "5"
    & skf21("6","4","6","3","1","1","4","1") = "5"
    & skf21("6","4","6","3","1","1","5","1") = "5"
    & skf21("6","4","6","3","1","1","6","1") = "5"
    & skf21("6","4","6","3","1","1","7","1") = "6"
    & skf21("6","4","6","3","1","2","1","1") = "5"
    & skf21("6","4","6","3","1","2","2","1") = "5"
    & skf21("6","4","6","3","1","2","3","1") = "5"
    & skf21("6","4","6","3","1","2","4","1") = "5"
    & skf21("6","4","6","3","1","2","5","1") = "5"
    & skf21("6","4","6","3","1","2","6","1") = "5"
    & skf21("6","4","6","3","1","2","7","1") = "6"
    & skf21("6","4","6","3","1","3","1","1") = "5"
    & skf21("6","4","6","3","1","3","2","1") = "5"
    & skf21("6","4","6","3","1","3","3","1") = "5"
    & skf21("6","4","6","3","1","3","4","1") = "5"
    & skf21("6","4","6","3","1","3","5","1") = "5"
    & skf21("6","4","6","3","1","3","6","1") = "5"
    & skf21("6","4","6","3","1","3","7","1") = "6"
    & skf21("6","4","6","3","1","4","1","1") = "5"
    & skf21("6","4","6","3","1","4","2","1") = "5"
    & skf21("6","4","6","3","1","4","3","1") = "5"
    & skf21("6","4","6","3","1","4","4","1") = "5"
    & skf21("6","4","6","3","1","4","5","1") = "5"
    & skf21("6","4","6","3","1","4","6","1") = "5"
    & skf21("6","4","6","3","1","4","7","1") = "6"
    & skf21("6","4","6","3","1","5","1","1") = "5"
    & skf21("6","4","6","3","1","5","2","1") = "5"
    & skf21("6","4","6","3","1","5","3","1") = "5"
    & skf21("6","4","6","3","1","5","4","1") = "5"
    & skf21("6","4","6","3","1","5","5","1") = "5"
    & skf21("6","4","6","3","1","5","6","1") = "5"
    & skf21("6","4","6","3","1","5","7","1") = "6"
    & skf21("6","4","6","3","1","6","1","1") = "5"
    & skf21("6","4","6","3","1","6","2","1") = "5"
    & skf21("6","4","6","3","1","6","3","1") = "5"
    & skf21("6","4","6","3","1","6","4","1") = "5"
    & skf21("6","4","6","3","1","6","5","1") = "5"
    & skf21("6","4","6","3","1","6","6","1") = "5"
    & skf21("6","4","6","3","1","6","7","1") = "6"
    & skf21("6","4","6","3","1","7","1","1") = "6"
    & skf21("6","4","6","3","1","7","2","1") = "6"
    & skf21("6","4","6","3","1","7","3","1") = "6"
    & skf21("6","4","6","3","1","7","4","1") = "6"
    & skf21("6","4","6","3","1","7","5","1") = "6"
    & skf21("6","4","6","3","1","7","6","1") = "6"
    & skf21("6","4","6","3","1","7","7","1") = "6"
    & skf21("6","4","6","3","2","1","1","1") = "5"
    & skf21("6","4","6","3","2","1","2","1") = "5"
    & skf21("6","4","6","3","2","1","3","1") = "5"
    & skf21("6","4","6","3","2","1","4","1") = "5"
    & skf21("6","4","6","3","2","1","5","1") = "5"
    & skf21("6","4","6","3","2","1","6","1") = "5"
    & skf21("6","4","6","3","2","1","7","1") = "6"
    & skf21("6","4","6","3","2","2","1","1") = "5"
    & skf21("6","4","6","3","2","2","2","1") = "5"
    & skf21("6","4","6","3","2","2","3","1") = "5"
    & skf21("6","4","6","3","2","2","4","1") = "5"
    & skf21("6","4","6","3","2","2","5","1") = "5"
    & skf21("6","4","6","3","2","2","6","1") = "5"
    & skf21("6","4","6","3","2","2","7","1") = "6"
    & skf21("6","4","6","3","2","3","1","1") = "5"
    & skf21("6","4","6","3","2","3","2","1") = "5"
    & skf21("6","4","6","3","2","3","3","1") = "5"
    & skf21("6","4","6","3","2","3","4","1") = "5"
    & skf21("6","4","6","3","2","3","5","1") = "5"
    & skf21("6","4","6","3","2","3","6","1") = "5"
    & skf21("6","4","6","3","2","3","7","1") = "6"
    & skf21("6","4","6","3","2","4","1","1") = "5"
    & skf21("6","4","6","3","2","4","2","1") = "5"
    & skf21("6","4","6","3","2","4","3","1") = "5"
    & skf21("6","4","6","3","2","4","4","1") = "5"
    & skf21("6","4","6","3","2","4","5","1") = "5"
    & skf21("6","4","6","3","2","4","6","1") = "5"
    & skf21("6","4","6","3","2","4","7","1") = "6"
    & skf21("6","4","6","3","2","5","1","1") = "5"
    & skf21("6","4","6","3","2","5","2","1") = "5"
    & skf21("6","4","6","3","2","5","3","1") = "5"
    & skf21("6","4","6","3","2","5","4","1") = "5"
    & skf21("6","4","6","3","2","5","5","1") = "5"
    & skf21("6","4","6","3","2","5","6","1") = "5"
    & skf21("6","4","6","3","2","5","7","1") = "6"
    & skf21("6","4","6","3","2","6","1","1") = "5"
    & skf21("6","4","6","3","2","6","2","1") = "5"
    & skf21("6","4","6","3","2","6","3","1") = "5"
    & skf21("6","4","6","3","2","6","4","1") = "5"
    & skf21("6","4","6","3","2","6","5","1") = "5"
    & skf21("6","4","6","3","2","6","6","1") = "5"
    & skf21("6","4","6","3","2","6","7","1") = "6"
    & skf21("6","4","6","3","2","7","1","1") = "6"
    & skf21("6","4","6","3","2","7","2","1") = "6"
    & skf21("6","4","6","3","2","7","3","1") = "6"
    & skf21("6","4","6","3","2","7","4","1") = "6"
    & skf21("6","4","6","3","2","7","5","1") = "6"
    & skf21("6","4","6","3","2","7","6","1") = "6"
    & skf21("6","4","6","3","2","7","7","1") = "6"
    & skf21("6","4","6","3","3","1","1","1") = "5"
    & skf21("6","4","6","3","3","1","2","1") = "5"
    & skf21("6","4","6","3","3","1","3","1") = "5"
    & skf21("6","4","6","3","3","1","4","1") = "5"
    & skf21("6","4","6","3","3","1","5","1") = "5"
    & skf21("6","4","6","3","3","1","6","1") = "5"
    & skf21("6","4","6","3","3","1","7","1") = "6"
    & skf21("6","4","6","3","3","2","1","1") = "5"
    & skf21("6","4","6","3","3","2","2","1") = "5"
    & skf21("6","4","6","3","3","2","3","1") = "5"
    & skf21("6","4","6","3","3","2","4","1") = "5"
    & skf21("6","4","6","3","3","2","5","1") = "5"
    & skf21("6","4","6","3","3","2","6","1") = "5"
    & skf21("6","4","6","3","3","2","7","1") = "6"
    & skf21("6","4","6","3","3","3","1","1") = "5"
    & skf21("6","4","6","3","3","3","2","1") = "5"
    & skf21("6","4","6","3","3","3","3","1") = "5"
    & skf21("6","4","6","3","3","3","4","1") = "5"
    & skf21("6","4","6","3","3","3","5","1") = "5"
    & skf21("6","4","6","3","3","3","6","1") = "5"
    & skf21("6","4","6","3","3","3","7","1") = "6"
    & skf21("6","4","6","3","3","4","1","1") = "5"
    & skf21("6","4","6","3","3","4","2","1") = "5"
    & skf21("6","4","6","3","3","4","3","1") = "5"
    & skf21("6","4","6","3","3","4","4","1") = "5"
    & skf21("6","4","6","3","3","4","5","1") = "5"
    & skf21("6","4","6","3","3","4","6","1") = "5"
    & skf21("6","4","6","3","3","4","7","1") = "6"
    & skf21("6","4","6","3","3","5","1","1") = "5"
    & skf21("6","4","6","3","3","5","2","1") = "5"
    & skf21("6","4","6","3","3","5","3","1") = "5"
    & skf21("6","4","6","3","3","5","4","1") = "5"
    & skf21("6","4","6","3","3","5","5","1") = "5"
    & skf21("6","4","6","3","3","5","6","1") = "5"
    & skf21("6","4","6","3","3","5","7","1") = "6"
    & skf21("6","4","6","3","3","6","1","1") = "5"
    & skf21("6","4","6","3","3","6","2","1") = "5"
    & skf21("6","4","6","3","3","6","3","1") = "5"
    & skf21("6","4","6","3","3","6","4","1") = "5"
    & skf21("6","4","6","3","3","6","5","1") = "5"
    & skf21("6","4","6","3","3","6","6","1") = "5"
    & skf21("6","4","6","3","3","6","7","1") = "6"
    & skf21("6","4","6","3","3","7","1","1") = "6"
    & skf21("6","4","6","3","3","7","2","1") = "6"
    & skf21("6","4","6","3","3","7","3","1") = "6"
    & skf21("6","4","6","3","3","7","4","1") = "6"
    & skf21("6","4","6","3","3","7","5","1") = "6"
    & skf21("6","4","6","3","3","7","6","1") = "6"
    & skf21("6","4","6","3","3","7","7","1") = "6"
    & skf21("6","4","6","3","4","1","1","1") = "5"
    & skf21("6","4","6","3","4","1","2","1") = "5"
    & skf21("6","4","6","3","4","1","3","1") = "5"
    & skf21("6","4","6","3","4","1","4","1") = "5"
    & skf21("6","4","6","3","4","1","5","1") = "5"
    & skf21("6","4","6","3","4","1","6","1") = "5"
    & skf21("6","4","6","3","4","1","7","1") = "6"
    & skf21("6","4","6","3","4","2","1","1") = "5"
    & skf21("6","4","6","3","4","2","2","1") = "5"
    & skf21("6","4","6","3","4","2","3","1") = "5"
    & skf21("6","4","6","3","4","2","4","1") = "5"
    & skf21("6","4","6","3","4","2","5","1") = "5"
    & skf21("6","4","6","3","4","2","6","1") = "5"
    & skf21("6","4","6","3","4","2","7","1") = "6"
    & skf21("6","4","6","3","4","3","1","1") = "5"
    & skf21("6","4","6","3","4","3","2","1") = "5"
    & skf21("6","4","6","3","4","3","3","1") = "5"
    & skf21("6","4","6","3","4","3","4","1") = "5"
    & skf21("6","4","6","3","4","3","5","1") = "5"
    & skf21("6","4","6","3","4","3","6","1") = "5"
    & skf21("6","4","6","3","4","3","7","1") = "6"
    & skf21("6","4","6","3","4","4","1","1") = "5"
    & skf21("6","4","6","3","4","4","2","1") = "5"
    & skf21("6","4","6","3","4","4","3","1") = "5"
    & skf21("6","4","6","3","4","4","4","1") = "5"
    & skf21("6","4","6","3","4","4","5","1") = "5"
    & skf21("6","4","6","3","4","4","6","1") = "5"
    & skf21("6","4","6","3","4","4","7","1") = "6"
    & skf21("6","4","6","3","4","5","1","1") = "5"
    & skf21("6","4","6","3","4","5","2","1") = "5"
    & skf21("6","4","6","3","4","5","3","1") = "5"
    & skf21("6","4","6","3","4","5","4","1") = "5"
    & skf21("6","4","6","3","4","5","5","1") = "5"
    & skf21("6","4","6","3","4","5","6","1") = "5"
    & skf21("6","4","6","3","4","5","7","1") = "6"
    & skf21("6","4","6","3","4","6","1","1") = "5"
    & skf21("6","4","6","3","4","6","2","1") = "5"
    & skf21("6","4","6","3","4","6","3","1") = "5"
    & skf21("6","4","6","3","4","6","4","1") = "5"
    & skf21("6","4","6","3","4","6","5","1") = "5"
    & skf21("6","4","6","3","4","6","6","1") = "5"
    & skf21("6","4","6","3","4","6","7","1") = "6"
    & skf21("6","4","6","3","4","7","1","1") = "6"
    & skf21("6","4","6","3","4","7","2","1") = "6"
    & skf21("6","4","6","3","4","7","3","1") = "6"
    & skf21("6","4","6","3","4","7","4","1") = "6"
    & skf21("6","4","6","3","4","7","5","1") = "6"
    & skf21("6","4","6","3","4","7","6","1") = "6"
    & skf21("6","4","6","3","4","7","7","1") = "6"
    & skf21("6","4","6","3","5","1","1","1") = "5"
    & skf21("6","4","6","3","5","1","2","1") = "5"
    & skf21("6","4","6","3","5","1","3","1") = "5"
    & skf21("6","4","6","3","5","1","4","1") = "5"
    & skf21("6","4","6","3","5","1","5","1") = "5"
    & skf21("6","4","6","3","5","1","6","1") = "5"
    & skf21("6","4","6","3","5","1","7","1") = "6"
    & skf21("6","4","6","3","5","2","1","1") = "5"
    & skf21("6","4","6","3","5","2","2","1") = "5"
    & skf21("6","4","6","3","5","2","3","1") = "5"
    & skf21("6","4","6","3","5","2","4","1") = "5"
    & skf21("6","4","6","3","5","2","5","1") = "5"
    & skf21("6","4","6","3","5","2","6","1") = "5"
    & skf21("6","4","6","3","5","2","7","1") = "6"
    & skf21("6","4","6","3","5","3","1","1") = "5"
    & skf21("6","4","6","3","5","3","2","1") = "5"
    & skf21("6","4","6","3","5","3","3","1") = "5"
    & skf21("6","4","6","3","5","3","4","1") = "5"
    & skf21("6","4","6","3","5","3","5","1") = "5"
    & skf21("6","4","6","3","5","3","6","1") = "5"
    & skf21("6","4","6","3","5","3","7","1") = "6"
    & skf21("6","4","6","3","5","4","1","1") = "5"
    & skf21("6","4","6","3","5","4","2","1") = "5"
    & skf21("6","4","6","3","5","4","3","1") = "5"
    & skf21("6","4","6","3","5","4","4","1") = "5"
    & skf21("6","4","6","3","5","4","5","1") = "5"
    & skf21("6","4","6","3","5","4","6","1") = "5"
    & skf21("6","4","6","3","5","4","7","1") = "6"
    & skf21("6","4","6","3","5","5","1","1") = "5"
    & skf21("6","4","6","3","5","5","2","1") = "5"
    & skf21("6","4","6","3","5","5","3","1") = "5"
    & skf21("6","4","6","3","5","5","4","1") = "5"
    & skf21("6","4","6","3","5","5","5","1") = "5"
    & skf21("6","4","6","3","5","5","6","1") = "5"
    & skf21("6","4","6","3","5","5","7","1") = "6"
    & skf21("6","4","6","3","5","6","1","1") = "5"
    & skf21("6","4","6","3","5","6","2","1") = "5"
    & skf21("6","4","6","3","5","6","3","1") = "5"
    & skf21("6","4","6","3","5","6","4","1") = "5"
    & skf21("6","4","6","3","5","6","5","1") = "5"
    & skf21("6","4","6","3","5","6","6","1") = "5"
    & skf21("6","4","6","3","5","6","7","1") = "6"
    & skf21("6","4","6","3","5","7","1","1") = "6"
    & skf21("6","4","6","3","5","7","2","1") = "6"
    & skf21("6","4","6","3","5","7","3","1") = "6"
    & skf21("6","4","6","3","5","7","4","1") = "6"
    & skf21("6","4","6","3","5","7","5","1") = "6"
    & skf21("6","4","6","3","5","7","6","1") = "6"
    & skf21("6","4","6","3","5","7","7","1") = "6"
    & skf21("6","4","6","3","6","1","1","1") = "5"
    & skf21("6","4","6","3","6","1","2","1") = "5"
    & skf21("6","4","6","3","6","1","3","1") = "5"
    & skf21("6","4","6","3","6","1","4","1") = "5"
    & skf21("6","4","6","3","6","1","5","1") = "5"
    & skf21("6","4","6","3","6","1","6","1") = "5"
    & skf21("6","4","6","3","6","1","7","1") = "6"
    & skf21("6","4","6","3","6","2","1","1") = "5"
    & skf21("6","4","6","3","6","2","2","1") = "5"
    & skf21("6","4","6","3","6","2","3","1") = "5"
    & skf21("6","4","6","3","6","2","4","1") = "5"
    & skf21("6","4","6","3","6","2","5","1") = "5"
    & skf21("6","4","6","3","6","2","6","1") = "5"
    & skf21("6","4","6","3","6","2","7","1") = "6"
    & skf21("6","4","6","3","6","3","1","1") = "5"
    & skf21("6","4","6","3","6","3","2","1") = "5"
    & skf21("6","4","6","3","6","3","3","1") = "5"
    & skf21("6","4","6","3","6","3","4","1") = "5"
    & skf21("6","4","6","3","6","3","5","1") = "5"
    & skf21("6","4","6","3","6","3","6","1") = "5"
    & skf21("6","4","6","3","6","3","7","1") = "6"
    & skf21("6","4","6","3","6","4","1","1") = "5"
    & skf21("6","4","6","3","6","4","2","1") = "5"
    & skf21("6","4","6","3","6","4","3","1") = "5"
    & skf21("6","4","6","3","6","4","4","1") = "5"
    & skf21("6","4","6","3","6","4","5","1") = "5"
    & skf21("6","4","6","3","6","4","6","1") = "5"
    & skf21("6","4","6","3","6","4","7","1") = "6"
    & skf21("6","4","6","3","6","5","1","1") = "5"
    & skf21("6","4","6","3","6","5","2","1") = "5"
    & skf21("6","4","6","3","6","5","3","1") = "5"
    & skf21("6","4","6","3","6","5","4","1") = "5"
    & skf21("6","4","6","3","6","5","5","1") = "5"
    & skf21("6","4","6","3","6","5","6","1") = "5"
    & skf21("6","4","6","3","6","5","7","1") = "6"
    & skf21("6","4","6","3","6","6","1","1") = "5"
    & skf21("6","4","6","3","6","6","2","1") = "5"
    & skf21("6","4","6","3","6","6","3","1") = "5"
    & skf21("6","4","6","3","6","6","4","1") = "5"
    & skf21("6","4","6","3","6","6","5","1") = "5"
    & skf21("6","4","6","3","6","6","6","1") = "5"
    & skf21("6","4","6","3","6","6","7","1") = "6"
    & skf21("6","4","6","3","6","7","1","1") = "6"
    & skf21("6","4","6","3","6","7","2","1") = "6"
    & skf21("6","4","6","3","6","7","3","1") = "6"
    & skf21("6","4","6","3","6","7","4","1") = "6"
    & skf21("6","4","6","3","6","7","5","1") = "6"
    & skf21("6","4","6","3","6","7","6","1") = "6"
    & skf21("6","4","6","3","6","7","7","1") = "6"
    & skf21("6","4","6","3","7","1","1","1") = "6"
    & skf21("6","4","6","3","7","1","2","1") = "6"
    & skf21("6","4","6","3","7","1","3","1") = "6"
    & skf21("6","4","6","3","7","1","4","1") = "6"
    & skf21("6","4","6","3","7","1","5","1") = "6"
    & skf21("6","4","6","3","7","1","6","1") = "6"
    & skf21("6","4","6","3","7","1","7","1") = "6"
    & skf21("6","4","6","3","7","2","1","1") = "6"
    & skf21("6","4","6","3","7","2","2","1") = "6"
    & skf21("6","4","6","3","7","2","3","1") = "6"
    & skf21("6","4","6","3","7","2","4","1") = "6"
    & skf21("6","4","6","3","7","2","5","1") = "6"
    & skf21("6","4","6","3","7","2","6","1") = "6"
    & skf21("6","4","6","3","7","2","7","1") = "6"
    & skf21("6","4","6","3","7","3","1","1") = "6"
    & skf21("6","4","6","3","7","3","2","1") = "6"
    & skf21("6","4","6","3","7","3","3","1") = "6"
    & skf21("6","4","6","3","7","3","4","1") = "6"
    & skf21("6","4","6","3","7","3","5","1") = "6"
    & skf21("6","4","6","3","7","3","6","1") = "6"
    & skf21("6","4","6","3","7","3","7","1") = "6"
    & skf21("6","4","6","3","7","4","1","1") = "6"
    & skf21("6","4","6","3","7","4","2","1") = "6"
    & skf21("6","4","6","3","7","4","3","1") = "6"
    & skf21("6","4","6","3","7","4","4","1") = "6"
    & skf21("6","4","6","3","7","4","5","1") = "6"
    & skf21("6","4","6","3","7","4","6","1") = "6"
    & skf21("6","4","6","3","7","4","7","1") = "6"
    & skf21("6","4","6","3","7","5","1","1") = "6"
    & skf21("6","4","6","3","7","5","2","1") = "6"
    & skf21("6","4","6","3","7","5","3","1") = "6"
    & skf21("6","4","6","3","7","5","4","1") = "6"
    & skf21("6","4","6","3","7","5","5","1") = "6"
    & skf21("6","4","6","3","7","5","6","1") = "6"
    & skf21("6","4","6","3","7","5","7","1") = "6"
    & skf21("6","4","6","3","7","6","1","1") = "6"
    & skf21("6","4","6","3","7","6","2","1") = "6"
    & skf21("6","4","6","3","7","6","3","1") = "6"
    & skf21("6","4","6","3","7","6","4","1") = "6"
    & skf21("6","4","6","3","7","6","5","1") = "6"
    & skf21("6","4","6","3","7","6","6","1") = "6"
    & skf21("6","4","6","3","7","6","7","1") = "6"
    & skf21("6","4","6","3","7","7","1","1") = "6"
    & skf21("6","4","6","3","7","7","2","1") = "6"
    & skf21("6","4","6","3","7","7","3","1") = "6"
    & skf21("6","4","6","3","7","7","4","1") = "6"
    & skf21("6","4","6","3","7","7","5","1") = "6"
    & skf21("6","4","6","3","7","7","6","1") = "6"
    & skf21("6","4","6","3","7","7","7","1") = "6"
    & skf21("6","4","6","4","1","1","1","1") = "5"
    & skf21("6","4","6","4","1","1","2","1") = "5"
    & skf21("6","4","6","4","1","1","3","1") = "5"
    & skf21("6","4","6","4","1","1","4","1") = "5"
    & skf21("6","4","6","4","1","1","5","1") = "5"
    & skf21("6","4","6","4","1","1","6","1") = "5"
    & skf21("6","4","6","4","1","1","7","1") = "6"
    & skf21("6","4","6","4","1","2","1","1") = "5"
    & skf21("6","4","6","4","1","2","2","1") = "5"
    & skf21("6","4","6","4","1","2","3","1") = "5"
    & skf21("6","4","6","4","1","2","4","1") = "5"
    & skf21("6","4","6","4","1","2","5","1") = "5"
    & skf21("6","4","6","4","1","2","6","1") = "5"
    & skf21("6","4","6","4","1","2","7","1") = "6"
    & skf21("6","4","6","4","1","3","1","1") = "5"
    & skf21("6","4","6","4","1","3","2","1") = "5"
    & skf21("6","4","6","4","1","3","3","1") = "5"
    & skf21("6","4","6","4","1","3","4","1") = "5"
    & skf21("6","4","6","4","1","3","5","1") = "5"
    & skf21("6","4","6","4","1","3","6","1") = "5"
    & skf21("6","4","6","4","1","3","7","1") = "6"
    & skf21("6","4","6","4","1","4","1","1") = "5"
    & skf21("6","4","6","4","1","4","2","1") = "5"
    & skf21("6","4","6","4","1","4","3","1") = "5"
    & skf21("6","4","6","4","1","4","4","1") = "5"
    & skf21("6","4","6","4","1","4","5","1") = "5"
    & skf21("6","4","6","4","1","4","6","1") = "5"
    & skf21("6","4","6","4","1","4","7","1") = "6"
    & skf21("6","4","6","4","1","5","1","1") = "5"
    & skf21("6","4","6","4","1","5","2","1") = "5"
    & skf21("6","4","6","4","1","5","3","1") = "5"
    & skf21("6","4","6","4","1","5","4","1") = "5"
    & skf21("6","4","6","4","1","5","5","1") = "5"
    & skf21("6","4","6","4","1","5","6","1") = "5"
    & skf21("6","4","6","4","1","5","7","1") = "6"
    & skf21("6","4","6","4","1","6","1","1") = "5"
    & skf21("6","4","6","4","1","6","2","1") = "5"
    & skf21("6","4","6","4","1","6","3","1") = "5"
    & skf21("6","4","6","4","1","6","4","1") = "5"
    & skf21("6","4","6","4","1","6","5","1") = "5"
    & skf21("6","4","6","4","1","6","6","1") = "5"
    & skf21("6","4","6","4","1","6","7","1") = "6"
    & skf21("6","4","6","4","1","7","1","1") = "6"
    & skf21("6","4","6","4","1","7","2","1") = "6"
    & skf21("6","4","6","4","1","7","3","1") = "6"
    & skf21("6","4","6","4","1","7","4","1") = "6"
    & skf21("6","4","6","4","1","7","5","1") = "6"
    & skf21("6","4","6","4","1","7","6","1") = "6"
    & skf21("6","4","6","4","1","7","7","1") = "6"
    & skf21("6","4","6","4","2","1","1","1") = "5"
    & skf21("6","4","6","4","2","1","2","1") = "5"
    & skf21("6","4","6","4","2","1","3","1") = "5"
    & skf21("6","4","6","4","2","1","4","1") = "5"
    & skf21("6","4","6","4","2","1","5","1") = "5"
    & skf21("6","4","6","4","2","1","6","1") = "5"
    & skf21("6","4","6","4","2","1","7","1") = "6"
    & skf21("6","4","6","4","2","2","1","1") = "5"
    & skf21("6","4","6","4","2","2","2","1") = "5"
    & skf21("6","4","6","4","2","2","3","1") = "5"
    & skf21("6","4","6","4","2","2","4","1") = "5"
    & skf21("6","4","6","4","2","2","5","1") = "5"
    & skf21("6","4","6","4","2","2","6","1") = "5"
    & skf21("6","4","6","4","2","2","7","1") = "6"
    & skf21("6","4","6","4","2","3","1","1") = "5"
    & skf21("6","4","6","4","2","3","2","1") = "5"
    & skf21("6","4","6","4","2","3","3","1") = "5"
    & skf21("6","4","6","4","2","3","4","1") = "5"
    & skf21("6","4","6","4","2","3","5","1") = "5"
    & skf21("6","4","6","4","2","3","6","1") = "5"
    & skf21("6","4","6","4","2","3","7","1") = "6"
    & skf21("6","4","6","4","2","4","1","1") = "5"
    & skf21("6","4","6","4","2","4","2","1") = "5"
    & skf21("6","4","6","4","2","4","3","1") = "5"
    & skf21("6","4","6","4","2","4","4","1") = "5"
    & skf21("6","4","6","4","2","4","5","1") = "5"
    & skf21("6","4","6","4","2","4","6","1") = "5"
    & skf21("6","4","6","4","2","4","7","1") = "6"
    & skf21("6","4","6","4","2","5","1","1") = "5"
    & skf21("6","4","6","4","2","5","2","1") = "5"
    & skf21("6","4","6","4","2","5","3","1") = "5"
    & skf21("6","4","6","4","2","5","4","1") = "5"
    & skf21("6","4","6","4","2","5","5","1") = "5"
    & skf21("6","4","6","4","2","5","6","1") = "5"
    & skf21("6","4","6","4","2","5","7","1") = "6"
    & skf21("6","4","6","4","2","6","1","1") = "5"
    & skf21("6","4","6","4","2","6","2","1") = "5"
    & skf21("6","4","6","4","2","6","3","1") = "5"
    & skf21("6","4","6","4","2","6","4","1") = "5"
    & skf21("6","4","6","4","2","6","5","1") = "5"
    & skf21("6","4","6","4","2","6","6","1") = "5"
    & skf21("6","4","6","4","2","6","7","1") = "6"
    & skf21("6","4","6","4","2","7","1","1") = "6"
    & skf21("6","4","6","4","2","7","2","1") = "6"
    & skf21("6","4","6","4","2","7","3","1") = "6"
    & skf21("6","4","6","4","2","7","4","1") = "6"
    & skf21("6","4","6","4","2","7","5","1") = "6"
    & skf21("6","4","6","4","2","7","6","1") = "6"
    & skf21("6","4","6","4","2","7","7","1") = "6"
    & skf21("6","4","6","4","3","1","1","1") = "5"
    & skf21("6","4","6","4","3","1","2","1") = "5"
    & skf21("6","4","6","4","3","1","3","1") = "5"
    & skf21("6","4","6","4","3","1","4","1") = "5"
    & skf21("6","4","6","4","3","1","5","1") = "5"
    & skf21("6","4","6","4","3","1","6","1") = "5"
    & skf21("6","4","6","4","3","1","7","1") = "6"
    & skf21("6","4","6","4","3","2","1","1") = "5"
    & skf21("6","4","6","4","3","2","2","1") = "5"
    & skf21("6","4","6","4","3","2","3","1") = "5"
    & skf21("6","4","6","4","3","2","4","1") = "5"
    & skf21("6","4","6","4","3","2","5","1") = "5"
    & skf21("6","4","6","4","3","2","6","1") = "5"
    & skf21("6","4","6","4","3","2","7","1") = "6"
    & skf21("6","4","6","4","3","3","1","1") = "5"
    & skf21("6","4","6","4","3","3","2","1") = "5"
    & skf21("6","4","6","4","3","3","3","1") = "5"
    & skf21("6","4","6","4","3","3","4","1") = "5"
    & skf21("6","4","6","4","3","3","5","1") = "5"
    & skf21("6","4","6","4","3","3","6","1") = "5"
    & skf21("6","4","6","4","3","3","7","1") = "6"
    & skf21("6","4","6","4","3","4","1","1") = "5"
    & skf21("6","4","6","4","3","4","2","1") = "5"
    & skf21("6","4","6","4","3","4","3","1") = "5"
    & skf21("6","4","6","4","3","4","4","1") = "5"
    & skf21("6","4","6","4","3","4","5","1") = "5"
    & skf21("6","4","6","4","3","4","6","1") = "5"
    & skf21("6","4","6","4","3","4","7","1") = "6"
    & skf21("6","4","6","4","3","5","1","1") = "5"
    & skf21("6","4","6","4","3","5","2","1") = "5"
    & skf21("6","4","6","4","3","5","3","1") = "5"
    & skf21("6","4","6","4","3","5","4","1") = "5"
    & skf21("6","4","6","4","3","5","5","1") = "5"
    & skf21("6","4","6","4","3","5","6","1") = "5"
    & skf21("6","4","6","4","3","5","7","1") = "6"
    & skf21("6","4","6","4","3","6","1","1") = "5"
    & skf21("6","4","6","4","3","6","2","1") = "5"
    & skf21("6","4","6","4","3","6","3","1") = "5"
    & skf21("6","4","6","4","3","6","4","1") = "5"
    & skf21("6","4","6","4","3","6","5","1") = "5"
    & skf21("6","4","6","4","3","6","6","1") = "5"
    & skf21("6","4","6","4","3","6","7","1") = "6"
    & skf21("6","4","6","4","3","7","1","1") = "6"
    & skf21("6","4","6","4","3","7","2","1") = "6"
    & skf21("6","4","6","4","3","7","3","1") = "6"
    & skf21("6","4","6","4","3","7","4","1") = "6"
    & skf21("6","4","6","4","3","7","5","1") = "6"
    & skf21("6","4","6","4","3","7","6","1") = "6"
    & skf21("6","4","6","4","3","7","7","1") = "6"
    & skf21("6","4","6","4","4","1","1","1") = "5"
    & skf21("6","4","6","4","4","1","2","1") = "5"
    & skf21("6","4","6","4","4","1","3","1") = "5"
    & skf21("6","4","6","4","4","1","4","1") = "5"
    & skf21("6","4","6","4","4","1","5","1") = "5"
    & skf21("6","4","6","4","4","1","6","1") = "5"
    & skf21("6","4","6","4","4","1","7","1") = "6"
    & skf21("6","4","6","4","4","2","1","1") = "5"
    & skf21("6","4","6","4","4","2","2","1") = "5"
    & skf21("6","4","6","4","4","2","3","1") = "5"
    & skf21("6","4","6","4","4","2","4","1") = "5"
    & skf21("6","4","6","4","4","2","5","1") = "5"
    & skf21("6","4","6","4","4","2","6","1") = "5"
    & skf21("6","4","6","4","4","2","7","1") = "6"
    & skf21("6","4","6","4","4","3","1","1") = "5"
    & skf21("6","4","6","4","4","3","2","1") = "5"
    & skf21("6","4","6","4","4","3","3","1") = "5"
    & skf21("6","4","6","4","4","3","4","1") = "5"
    & skf21("6","4","6","4","4","3","5","1") = "5"
    & skf21("6","4","6","4","4","3","6","1") = "5"
    & skf21("6","4","6","4","4","3","7","1") = "6"
    & skf21("6","4","6","4","4","4","1","1") = "5"
    & skf21("6","4","6","4","4","4","2","1") = "5"
    & skf21("6","4","6","4","4","4","3","1") = "5"
    & skf21("6","4","6","4","4","4","4","1") = "5"
    & skf21("6","4","6","4","4","4","5","1") = "5"
    & skf21("6","4","6","4","4","4","6","1") = "5"
    & skf21("6","4","6","4","4","4","7","1") = "6"
    & skf21("6","4","6","4","4","5","1","1") = "5"
    & skf21("6","4","6","4","4","5","2","1") = "5"
    & skf21("6","4","6","4","4","5","3","1") = "5"
    & skf21("6","4","6","4","4","5","4","1") = "5"
    & skf21("6","4","6","4","4","5","5","1") = "5"
    & skf21("6","4","6","4","4","5","6","1") = "5"
    & skf21("6","4","6","4","4","5","7","1") = "6"
    & skf21("6","4","6","4","4","6","1","1") = "5"
    & skf21("6","4","6","4","4","6","2","1") = "5"
    & skf21("6","4","6","4","4","6","3","1") = "5"
    & skf21("6","4","6","4","4","6","4","1") = "5"
    & skf21("6","4","6","4","4","6","5","1") = "5"
    & skf21("6","4","6","4","4","6","6","1") = "5"
    & skf21("6","4","6","4","4","6","7","1") = "6"
    & skf21("6","4","6","4","4","7","1","1") = "6"
    & skf21("6","4","6","4","4","7","2","1") = "6"
    & skf21("6","4","6","4","4","7","3","1") = "6"
    & skf21("6","4","6","4","4","7","4","1") = "6"
    & skf21("6","4","6","4","4","7","5","1") = "6"
    & skf21("6","4","6","4","4","7","6","1") = "6"
    & skf21("6","4","6","4","4","7","7","1") = "6"
    & skf21("6","4","6","4","5","1","1","1") = "5"
    & skf21("6","4","6","4","5","1","2","1") = "5"
    & skf21("6","4","6","4","5","1","3","1") = "5"
    & skf21("6","4","6","4","5","1","4","1") = "5"
    & skf21("6","4","6","4","5","1","5","1") = "5"
    & skf21("6","4","6","4","5","1","6","1") = "5"
    & skf21("6","4","6","4","5","1","7","1") = "6"
    & skf21("6","4","6","4","5","2","1","1") = "5"
    & skf21("6","4","6","4","5","2","2","1") = "5"
    & skf21("6","4","6","4","5","2","3","1") = "5"
    & skf21("6","4","6","4","5","2","4","1") = "5"
    & skf21("6","4","6","4","5","2","5","1") = "5"
    & skf21("6","4","6","4","5","2","6","1") = "5"
    & skf21("6","4","6","4","5","2","7","1") = "6"
    & skf21("6","4","6","4","5","3","1","1") = "5"
    & skf21("6","4","6","4","5","3","2","1") = "5"
    & skf21("6","4","6","4","5","3","3","1") = "5"
    & skf21("6","4","6","4","5","3","4","1") = "5"
    & skf21("6","4","6","4","5","3","5","1") = "5"
    & skf21("6","4","6","4","5","3","6","1") = "5"
    & skf21("6","4","6","4","5","3","7","1") = "6"
    & skf21("6","4","6","4","5","4","1","1") = "5"
    & skf21("6","4","6","4","5","4","2","1") = "5"
    & skf21("6","4","6","4","5","4","3","1") = "5"
    & skf21("6","4","6","4","5","4","4","1") = "5"
    & skf21("6","4","6","4","5","4","5","1") = "5"
    & skf21("6","4","6","4","5","4","6","1") = "5"
    & skf21("6","4","6","4","5","4","7","1") = "6"
    & skf21("6","4","6","4","5","5","1","1") = "5"
    & skf21("6","4","6","4","5","5","2","1") = "5"
    & skf21("6","4","6","4","5","5","3","1") = "5"
    & skf21("6","4","6","4","5","5","4","1") = "5"
    & skf21("6","4","6","4","5","5","5","1") = "5"
    & skf21("6","4","6","4","5","5","6","1") = "5"
    & skf21("6","4","6","4","5","5","7","1") = "6"
    & skf21("6","4","6","4","5","6","1","1") = "5"
    & skf21("6","4","6","4","5","6","2","1") = "5"
    & skf21("6","4","6","4","5","6","3","1") = "5"
    & skf21("6","4","6","4","5","6","4","1") = "5"
    & skf21("6","4","6","4","5","6","5","1") = "5"
    & skf21("6","4","6","4","5","6","6","1") = "5"
    & skf21("6","4","6","4","5","6","7","1") = "6"
    & skf21("6","4","6","4","5","7","1","1") = "6"
    & skf21("6","4","6","4","5","7","2","1") = "6"
    & skf21("6","4","6","4","5","7","3","1") = "6"
    & skf21("6","4","6","4","5","7","4","1") = "6"
    & skf21("6","4","6","4","5","7","5","1") = "6"
    & skf21("6","4","6","4","5","7","6","1") = "6"
    & skf21("6","4","6","4","5","7","7","1") = "6"
    & skf21("6","4","6","4","6","1","1","1") = "5"
    & skf21("6","4","6","4","6","1","2","1") = "5"
    & skf21("6","4","6","4","6","1","3","1") = "5"
    & skf21("6","4","6","4","6","1","4","1") = "5"
    & skf21("6","4","6","4","6","1","5","1") = "5"
    & skf21("6","4","6","4","6","1","6","1") = "5"
    & skf21("6","4","6","4","6","1","7","1") = "6"
    & skf21("6","4","6","4","6","2","1","1") = "5"
    & skf21("6","4","6","4","6","2","2","1") = "5"
    & skf21("6","4","6","4","6","2","3","1") = "5"
    & skf21("6","4","6","4","6","2","4","1") = "5"
    & skf21("6","4","6","4","6","2","5","1") = "5"
    & skf21("6","4","6","4","6","2","6","1") = "5"
    & skf21("6","4","6","4","6","2","7","1") = "6"
    & skf21("6","4","6","4","6","3","1","1") = "5"
    & skf21("6","4","6","4","6","3","2","1") = "5"
    & skf21("6","4","6","4","6","3","3","1") = "5"
    & skf21("6","4","6","4","6","3","4","1") = "5"
    & skf21("6","4","6","4","6","3","5","1") = "5"
    & skf21("6","4","6","4","6","3","6","1") = "5"
    & skf21("6","4","6","4","6","3","7","1") = "6"
    & skf21("6","4","6","4","6","4","1","1") = "5"
    & skf21("6","4","6","4","6","4","2","1") = "5"
    & skf21("6","4","6","4","6","4","3","1") = "5"
    & skf21("6","4","6","4","6","4","4","1") = "5"
    & skf21("6","4","6","4","6","4","5","1") = "5"
    & skf21("6","4","6","4","6","4","6","1") = "5"
    & skf21("6","4","6","4","6","4","7","1") = "6"
    & skf21("6","4","6","4","6","5","1","1") = "5"
    & skf21("6","4","6","4","6","5","2","1") = "5"
    & skf21("6","4","6","4","6","5","3","1") = "5"
    & skf21("6","4","6","4","6","5","4","1") = "5"
    & skf21("6","4","6","4","6","5","5","1") = "5"
    & skf21("6","4","6","4","6","5","6","1") = "5"
    & skf21("6","4","6","4","6","5","7","1") = "6"
    & skf21("6","4","6","4","6","6","1","1") = "5"
    & skf21("6","4","6","4","6","6","2","1") = "5"
    & skf21("6","4","6","4","6","6","3","1") = "5"
    & skf21("6","4","6","4","6","6","4","1") = "5"
    & skf21("6","4","6","4","6","6","5","1") = "5"
    & skf21("6","4","6","4","6","6","6","1") = "5"
    & skf21("6","4","6","4","6","6","7","1") = "6"
    & skf21("6","4","6","4","6","7","1","1") = "6"
    & skf21("6","4","6","4","6","7","2","1") = "6"
    & skf21("6","4","6","4","6","7","3","1") = "6"
    & skf21("6","4","6","4","6","7","4","1") = "6"
    & skf21("6","4","6","4","6","7","5","1") = "6"
    & skf21("6","4","6","4","6","7","6","1") = "6"
    & skf21("6","4","6","4","6","7","7","1") = "6"
    & skf21("6","4","6","4","7","1","1","1") = "6"
    & skf21("6","4","6","4","7","1","2","1") = "6"
    & skf21("6","4","6","4","7","1","3","1") = "6"
    & skf21("6","4","6","4","7","1","4","1") = "6"
    & skf21("6","4","6","4","7","1","5","1") = "6"
    & skf21("6","4","6","4","7","1","6","1") = "6"
    & skf21("6","4","6","4","7","1","7","1") = "6"
    & skf21("6","4","6","4","7","2","1","1") = "6"
    & skf21("6","4","6","4","7","2","2","1") = "6"
    & skf21("6","4","6","4","7","2","3","1") = "6"
    & skf21("6","4","6","4","7","2","4","1") = "6"
    & skf21("6","4","6","4","7","2","5","1") = "6"
    & skf21("6","4","6","4","7","2","6","1") = "6"
    & skf21("6","4","6","4","7","2","7","1") = "6"
    & skf21("6","4","6","4","7","3","1","1") = "6"
    & skf21("6","4","6","4","7","3","2","1") = "6"
    & skf21("6","4","6","4","7","3","3","1") = "6"
    & skf21("6","4","6","4","7","3","4","1") = "6"
    & skf21("6","4","6","4","7","3","5","1") = "6"
    & skf21("6","4","6","4","7","3","6","1") = "6"
    & skf21("6","4","6","4","7","3","7","1") = "6"
    & skf21("6","4","6","4","7","4","1","1") = "6"
    & skf21("6","4","6","4","7","4","2","1") = "6"
    & skf21("6","4","6","4","7","4","3","1") = "6"
    & skf21("6","4","6","4","7","4","4","1") = "6"
    & skf21("6","4","6","4","7","4","5","1") = "6"
    & skf21("6","4","6","4","7","4","6","1") = "6"
    & skf21("6","4","6","4","7","4","7","1") = "6"
    & skf21("6","4","6","4","7","5","1","1") = "6"
    & skf21("6","4","6","4","7","5","2","1") = "6"
    & skf21("6","4","6","4","7","5","3","1") = "6"
    & skf21("6","4","6","4","7","5","4","1") = "6"
    & skf21("6","4","6","4","7","5","5","1") = "6"
    & skf21("6","4","6","4","7","5","6","1") = "6"
    & skf21("6","4","6","4","7","5","7","1") = "6"
    & skf21("6","4","6","4","7","6","1","1") = "6"
    & skf21("6","4","6","4","7","6","2","1") = "6"
    & skf21("6","4","6","4","7","6","3","1") = "6"
    & skf21("6","4","6","4","7","6","4","1") = "6"
    & skf21("6","4","6","4","7","6","5","1") = "6"
    & skf21("6","4","6","4","7","6","6","1") = "6"
    & skf21("6","4","6","4","7","6","7","1") = "6"
    & skf21("6","4","6","4","7","7","1","1") = "6"
    & skf21("6","4","6","4","7","7","2","1") = "6"
    & skf21("6","4","6","4","7","7","3","1") = "6"
    & skf21("6","4","6","4","7","7","4","1") = "6"
    & skf21("6","4","6","4","7","7","5","1") = "6"
    & skf21("6","4","6","4","7","7","6","1") = "6"
    & skf21("6","4","6","4","7","7","7","1") = "6"
    & skf21("6","4","6","5","1","1","1","1") = "5"
    & skf21("6","4","6","5","1","1","2","1") = "5"
    & skf21("6","4","6","5","1","1","3","1") = "5"
    & skf21("6","4","6","5","1","1","4","1") = "5"
    & skf21("6","4","6","5","1","1","5","1") = "5"
    & skf21("6","4","6","5","1","1","6","1") = "5"
    & skf21("6","4","6","5","1","1","7","1") = "6"
    & skf21("6","4","6","5","1","2","1","1") = "5"
    & skf21("6","4","6","5","1","2","2","1") = "5"
    & skf21("6","4","6","5","1","2","3","1") = "5"
    & skf21("6","4","6","5","1","2","4","1") = "5"
    & skf21("6","4","6","5","1","2","5","1") = "5"
    & skf21("6","4","6","5","1","2","6","1") = "5"
    & skf21("6","4","6","5","1","2","7","1") = "6"
    & skf21("6","4","6","5","1","3","1","1") = "5"
    & skf21("6","4","6","5","1","3","2","1") = "5"
    & skf21("6","4","6","5","1","3","3","1") = "5"
    & skf21("6","4","6","5","1","3","4","1") = "5"
    & skf21("6","4","6","5","1","3","5","1") = "5"
    & skf21("6","4","6","5","1","3","6","1") = "5"
    & skf21("6","4","6","5","1","3","7","1") = "6"
    & skf21("6","4","6","5","1","4","1","1") = "5"
    & skf21("6","4","6","5","1","4","2","1") = "5"
    & skf21("6","4","6","5","1","4","3","1") = "5"
    & skf21("6","4","6","5","1","4","4","1") = "5"
    & skf21("6","4","6","5","1","4","5","1") = "5"
    & skf21("6","4","6","5","1","4","6","1") = "5"
    & skf21("6","4","6","5","1","4","7","1") = "6"
    & skf21("6","4","6","5","1","5","1","1") = "5"
    & skf21("6","4","6","5","1","5","2","1") = "5"
    & skf21("6","4","6","5","1","5","3","1") = "5"
    & skf21("6","4","6","5","1","5","4","1") = "5"
    & skf21("6","4","6","5","1","5","5","1") = "5"
    & skf21("6","4","6","5","1","5","6","1") = "5"
    & skf21("6","4","6","5","1","5","7","1") = "6"
    & skf21("6","4","6","5","1","6","1","1") = "5"
    & skf21("6","4","6","5","1","6","2","1") = "5"
    & skf21("6","4","6","5","1","6","3","1") = "5"
    & skf21("6","4","6","5","1","6","4","1") = "5"
    & skf21("6","4","6","5","1","6","5","1") = "5"
    & skf21("6","4","6","5","1","6","6","1") = "5"
    & skf21("6","4","6","5","1","6","7","1") = "6"
    & skf21("6","4","6","5","1","7","1","1") = "6"
    & skf21("6","4","6","5","1","7","2","1") = "6"
    & skf21("6","4","6","5","1","7","3","1") = "6"
    & skf21("6","4","6","5","1","7","4","1") = "6"
    & skf21("6","4","6","5","1","7","5","1") = "6"
    & skf21("6","4","6","5","1","7","6","1") = "6"
    & skf21("6","4","6","5","1","7","7","1") = "6"
    & skf21("6","4","6","5","2","1","1","1") = "5"
    & skf21("6","4","6","5","2","1","2","1") = "5"
    & skf21("6","4","6","5","2","1","3","1") = "5"
    & skf21("6","4","6","5","2","1","4","1") = "5"
    & skf21("6","4","6","5","2","1","5","1") = "5"
    & skf21("6","4","6","5","2","1","6","1") = "5"
    & skf21("6","4","6","5","2","1","7","1") = "6"
    & skf21("6","4","6","5","2","2","1","1") = "5"
    & skf21("6","4","6","5","2","2","2","1") = "5"
    & skf21("6","4","6","5","2","2","3","1") = "5"
    & skf21("6","4","6","5","2","2","4","1") = "5"
    & skf21("6","4","6","5","2","2","5","1") = "5"
    & skf21("6","4","6","5","2","2","6","1") = "5"
    & skf21("6","4","6","5","2","2","7","1") = "6"
    & skf21("6","4","6","5","2","3","1","1") = "5"
    & skf21("6","4","6","5","2","3","2","1") = "5"
    & skf21("6","4","6","5","2","3","3","1") = "5"
    & skf21("6","4","6","5","2","3","4","1") = "5"
    & skf21("6","4","6","5","2","3","5","1") = "5"
    & skf21("6","4","6","5","2","3","6","1") = "5"
    & skf21("6","4","6","5","2","3","7","1") = "6"
    & skf21("6","4","6","5","2","4","1","1") = "5"
    & skf21("6","4","6","5","2","4","2","1") = "5"
    & skf21("6","4","6","5","2","4","3","1") = "5"
    & skf21("6","4","6","5","2","4","4","1") = "5"
    & skf21("6","4","6","5","2","4","5","1") = "5"
    & skf21("6","4","6","5","2","4","6","1") = "5"
    & skf21("6","4","6","5","2","4","7","1") = "6"
    & skf21("6","4","6","5","2","5","1","1") = "5"
    & skf21("6","4","6","5","2","5","2","1") = "5"
    & skf21("6","4","6","5","2","5","3","1") = "5"
    & skf21("6","4","6","5","2","5","4","1") = "5"
    & skf21("6","4","6","5","2","5","5","1") = "5"
    & skf21("6","4","6","5","2","5","6","1") = "5"
    & skf21("6","4","6","5","2","5","7","1") = "6"
    & skf21("6","4","6","5","2","6","1","1") = "5"
    & skf21("6","4","6","5","2","6","2","1") = "5"
    & skf21("6","4","6","5","2","6","3","1") = "5"
    & skf21("6","4","6","5","2","6","4","1") = "5"
    & skf21("6","4","6","5","2","6","5","1") = "5"
    & skf21("6","4","6","5","2","6","6","1") = "5"
    & skf21("6","4","6","5","2","6","7","1") = "6"
    & skf21("6","4","6","5","2","7","1","1") = "6"
    & skf21("6","4","6","5","2","7","2","1") = "6"
    & skf21("6","4","6","5","2","7","3","1") = "6"
    & skf21("6","4","6","5","2","7","4","1") = "6"
    & skf21("6","4","6","5","2","7","5","1") = "6"
    & skf21("6","4","6","5","2","7","6","1") = "6"
    & skf21("6","4","6","5","2","7","7","1") = "6"
    & skf21("6","4","6","5","3","1","1","1") = "5"
    & skf21("6","4","6","5","3","1","2","1") = "5"
    & skf21("6","4","6","5","3","1","3","1") = "5"
    & skf21("6","4","6","5","3","1","4","1") = "5"
    & skf21("6","4","6","5","3","1","5","1") = "5"
    & skf21("6","4","6","5","3","1","6","1") = "5"
    & skf21("6","4","6","5","3","1","7","1") = "6"
    & skf21("6","4","6","5","3","2","1","1") = "5"
    & skf21("6","4","6","5","3","2","2","1") = "5"
    & skf21("6","4","6","5","3","2","3","1") = "5"
    & skf21("6","4","6","5","3","2","4","1") = "5"
    & skf21("6","4","6","5","3","2","5","1") = "5"
    & skf21("6","4","6","5","3","2","6","1") = "5"
    & skf21("6","4","6","5","3","2","7","1") = "6"
    & skf21("6","4","6","5","3","3","1","1") = "5"
    & skf21("6","4","6","5","3","3","2","1") = "5"
    & skf21("6","4","6","5","3","3","3","1") = "5"
    & skf21("6","4","6","5","3","3","4","1") = "5"
    & skf21("6","4","6","5","3","3","5","1") = "5"
    & skf21("6","4","6","5","3","3","6","1") = "5"
    & skf21("6","4","6","5","3","3","7","1") = "6"
    & skf21("6","4","6","5","3","4","1","1") = "5"
    & skf21("6","4","6","5","3","4","2","1") = "5"
    & skf21("6","4","6","5","3","4","3","1") = "5"
    & skf21("6","4","6","5","3","4","4","1") = "5"
    & skf21("6","4","6","5","3","4","5","1") = "5"
    & skf21("6","4","6","5","3","4","6","1") = "5"
    & skf21("6","4","6","5","3","4","7","1") = "6"
    & skf21("6","4","6","5","3","5","1","1") = "5"
    & skf21("6","4","6","5","3","5","2","1") = "5"
    & skf21("6","4","6","5","3","5","3","1") = "5"
    & skf21("6","4","6","5","3","5","4","1") = "5"
    & skf21("6","4","6","5","3","5","5","1") = "5"
    & skf21("6","4","6","5","3","5","6","1") = "5"
    & skf21("6","4","6","5","3","5","7","1") = "6"
    & skf21("6","4","6","5","3","6","1","1") = "5"
    & skf21("6","4","6","5","3","6","2","1") = "5"
    & skf21("6","4","6","5","3","6","3","1") = "5"
    & skf21("6","4","6","5","3","6","4","1") = "5"
    & skf21("6","4","6","5","3","6","5","1") = "5"
    & skf21("6","4","6","5","3","6","6","1") = "5"
    & skf21("6","4","6","5","3","6","7","1") = "6"
    & skf21("6","4","6","5","3","7","1","1") = "6"
    & skf21("6","4","6","5","3","7","2","1") = "6"
    & skf21("6","4","6","5","3","7","3","1") = "6"
    & skf21("6","4","6","5","3","7","4","1") = "6"
    & skf21("6","4","6","5","3","7","5","1") = "6"
    & skf21("6","4","6","5","3","7","6","1") = "6"
    & skf21("6","4","6","5","3","7","7","1") = "6"
    & skf21("6","4","6","5","4","1","1","1") = "5"
    & skf21("6","4","6","5","4","1","2","1") = "5"
    & skf21("6","4","6","5","4","1","3","1") = "5"
    & skf21("6","4","6","5","4","1","4","1") = "5"
    & skf21("6","4","6","5","4","1","5","1") = "5"
    & skf21("6","4","6","5","4","1","6","1") = "5"
    & skf21("6","4","6","5","4","1","7","1") = "6"
    & skf21("6","4","6","5","4","2","1","1") = "5"
    & skf21("6","4","6","5","4","2","2","1") = "5"
    & skf21("6","4","6","5","4","2","3","1") = "5"
    & skf21("6","4","6","5","4","2","4","1") = "5"
    & skf21("6","4","6","5","4","2","5","1") = "5"
    & skf21("6","4","6","5","4","2","6","1") = "5"
    & skf21("6","4","6","5","4","2","7","1") = "6"
    & skf21("6","4","6","5","4","3","1","1") = "5"
    & skf21("6","4","6","5","4","3","2","1") = "5"
    & skf21("6","4","6","5","4","3","3","1") = "5"
    & skf21("6","4","6","5","4","3","4","1") = "5"
    & skf21("6","4","6","5","4","3","5","1") = "5"
    & skf21("6","4","6","5","4","3","6","1") = "5"
    & skf21("6","4","6","5","4","3","7","1") = "6"
    & skf21("6","4","6","5","4","4","1","1") = "5"
    & skf21("6","4","6","5","4","4","2","1") = "5"
    & skf21("6","4","6","5","4","4","3","1") = "5"
    & skf21("6","4","6","5","4","4","4","1") = "5"
    & skf21("6","4","6","5","4","4","5","1") = "5"
    & skf21("6","4","6","5","4","4","6","1") = "5"
    & skf21("6","4","6","5","4","4","7","1") = "6"
    & skf21("6","4","6","5","4","5","1","1") = "5"
    & skf21("6","4","6","5","4","5","2","1") = "5"
    & skf21("6","4","6","5","4","5","3","1") = "5"
    & skf21("6","4","6","5","4","5","4","1") = "5"
    & skf21("6","4","6","5","4","5","5","1") = "5"
    & skf21("6","4","6","5","4","5","6","1") = "5"
    & skf21("6","4","6","5","4","5","7","1") = "6"
    & skf21("6","4","6","5","4","6","1","1") = "5"
    & skf21("6","4","6","5","4","6","2","1") = "5"
    & skf21("6","4","6","5","4","6","3","1") = "5"
    & skf21("6","4","6","5","4","6","4","1") = "5"
    & skf21("6","4","6","5","4","6","5","1") = "5"
    & skf21("6","4","6","5","4","6","6","1") = "5"
    & skf21("6","4","6","5","4","6","7","1") = "6"
    & skf21("6","4","6","5","4","7","1","1") = "6"
    & skf21("6","4","6","5","4","7","2","1") = "6"
    & skf21("6","4","6","5","4","7","3","1") = "6"
    & skf21("6","4","6","5","4","7","4","1") = "6"
    & skf21("6","4","6","5","4","7","5","1") = "6"
    & skf21("6","4","6","5","4","7","6","1") = "6"
    & skf21("6","4","6","5","4","7","7","1") = "6"
    & skf21("6","4","6","5","5","1","1","1") = "5"
    & skf21("6","4","6","5","5","1","2","1") = "5"
    & skf21("6","4","6","5","5","1","3","1") = "5"
    & skf21("6","4","6","5","5","1","4","1") = "5"
    & skf21("6","4","6","5","5","1","5","1") = "5"
    & skf21("6","4","6","5","5","1","6","1") = "5"
    & skf21("6","4","6","5","5","1","7","1") = "6"
    & skf21("6","4","6","5","5","2","1","1") = "5"
    & skf21("6","4","6","5","5","2","2","1") = "5"
    & skf21("6","4","6","5","5","2","3","1") = "5"
    & skf21("6","4","6","5","5","2","4","1") = "5"
    & skf21("6","4","6","5","5","2","5","1") = "5"
    & skf21("6","4","6","5","5","2","6","1") = "5"
    & skf21("6","4","6","5","5","2","7","1") = "6"
    & skf21("6","4","6","5","5","3","1","1") = "5"
    & skf21("6","4","6","5","5","3","2","1") = "5"
    & skf21("6","4","6","5","5","3","3","1") = "5"
    & skf21("6","4","6","5","5","3","4","1") = "5"
    & skf21("6","4","6","5","5","3","5","1") = "5"
    & skf21("6","4","6","5","5","3","6","1") = "5"
    & skf21("6","4","6","5","5","3","7","1") = "6"
    & skf21("6","4","6","5","5","4","1","1") = "5"
    & skf21("6","4","6","5","5","4","2","1") = "5"
    & skf21("6","4","6","5","5","4","3","1") = "5"
    & skf21("6","4","6","5","5","4","4","1") = "5"
    & skf21("6","4","6","5","5","4","5","1") = "5"
    & skf21("6","4","6","5","5","4","6","1") = "5"
    & skf21("6","4","6","5","5","4","7","1") = "6"
    & skf21("6","4","6","5","5","5","1","1") = "5"
    & skf21("6","4","6","5","5","5","2","1") = "5"
    & skf21("6","4","6","5","5","5","3","1") = "5"
    & skf21("6","4","6","5","5","5","4","1") = "5"
    & skf21("6","4","6","5","5","5","5","1") = "5"
    & skf21("6","4","6","5","5","5","6","1") = "5"
    & skf21("6","4","6","5","5","5","7","1") = "6"
    & skf21("6","4","6","5","5","6","1","1") = "5"
    & skf21("6","4","6","5","5","6","2","1") = "5"
    & skf21("6","4","6","5","5","6","3","1") = "5"
    & skf21("6","4","6","5","5","6","4","1") = "5"
    & skf21("6","4","6","5","5","6","5","1") = "5"
    & skf21("6","4","6","5","5","6","6","1") = "5"
    & skf21("6","4","6","5","5","6","7","1") = "6"
    & skf21("6","4","6","5","5","7","1","1") = "6"
    & skf21("6","4","6","5","5","7","2","1") = "6"
    & skf21("6","4","6","5","5","7","3","1") = "6"
    & skf21("6","4","6","5","5","7","4","1") = "6"
    & skf21("6","4","6","5","5","7","5","1") = "6"
    & skf21("6","4","6","5","5","7","6","1") = "6"
    & skf21("6","4","6","5","5","7","7","1") = "6"
    & skf21("6","4","6","5","6","1","1","1") = "5"
    & skf21("6","4","6","5","6","1","2","1") = "5"
    & skf21("6","4","6","5","6","1","3","1") = "5"
    & skf21("6","4","6","5","6","1","4","1") = "5"
    & skf21("6","4","6","5","6","1","5","1") = "5"
    & skf21("6","4","6","5","6","1","6","1") = "5"
    & skf21("6","4","6","5","6","1","7","1") = "6"
    & skf21("6","4","6","5","6","2","1","1") = "5"
    & skf21("6","4","6","5","6","2","2","1") = "5"
    & skf21("6","4","6","5","6","2","3","1") = "5"
    & skf21("6","4","6","5","6","2","4","1") = "5"
    & skf21("6","4","6","5","6","2","5","1") = "5"
    & skf21("6","4","6","5","6","2","6","1") = "5"
    & skf21("6","4","6","5","6","2","7","1") = "6"
    & skf21("6","4","6","5","6","3","1","1") = "5"
    & skf21("6","4","6","5","6","3","2","1") = "5"
    & skf21("6","4","6","5","6","3","3","1") = "5"
    & skf21("6","4","6","5","6","3","4","1") = "5"
    & skf21("6","4","6","5","6","3","5","1") = "5"
    & skf21("6","4","6","5","6","3","6","1") = "5"
    & skf21("6","4","6","5","6","3","7","1") = "6"
    & skf21("6","4","6","5","6","4","1","1") = "5"
    & skf21("6","4","6","5","6","4","2","1") = "5"
    & skf21("6","4","6","5","6","4","3","1") = "5"
    & skf21("6","4","6","5","6","4","4","1") = "5"
    & skf21("6","4","6","5","6","4","5","1") = "5"
    & skf21("6","4","6","5","6","4","6","1") = "5"
    & skf21("6","4","6","5","6","4","7","1") = "6"
    & skf21("6","4","6","5","6","5","1","1") = "5"
    & skf21("6","4","6","5","6","5","2","1") = "5"
    & skf21("6","4","6","5","6","5","3","1") = "5"
    & skf21("6","4","6","5","6","5","4","1") = "5"
    & skf21("6","4","6","5","6","5","5","1") = "5"
    & skf21("6","4","6","5","6","5","6","1") = "5"
    & skf21("6","4","6","5","6","5","7","1") = "6"
    & skf21("6","4","6","5","6","6","1","1") = "5"
    & skf21("6","4","6","5","6","6","2","1") = "5"
    & skf21("6","4","6","5","6","6","3","1") = "5"
    & skf21("6","4","6","5","6","6","4","1") = "5"
    & skf21("6","4","6","5","6","6","5","1") = "5"
    & skf21("6","4","6","5","6","6","6","1") = "5"
    & skf21("6","4","6","5","6","6","7","1") = "6"
    & skf21("6","4","6","5","6","7","1","1") = "6"
    & skf21("6","4","6","5","6","7","2","1") = "6"
    & skf21("6","4","6","5","6","7","3","1") = "6"
    & skf21("6","4","6","5","6","7","4","1") = "6"
    & skf21("6","4","6","5","6","7","5","1") = "6"
    & skf21("6","4","6","5","6","7","6","1") = "6"
    & skf21("6","4","6","5","6","7","7","1") = "6"
    & skf21("6","4","6","5","7","1","1","1") = "6"
    & skf21("6","4","6","5","7","1","2","1") = "6"
    & skf21("6","4","6","5","7","1","3","1") = "6"
    & skf21("6","4","6","5","7","1","4","1") = "6"
    & skf21("6","4","6","5","7","1","5","1") = "6"
    & skf21("6","4","6","5","7","1","6","1") = "6"
    & skf21("6","4","6","5","7","1","7","1") = "6"
    & skf21("6","4","6","5","7","2","1","1") = "6"
    & skf21("6","4","6","5","7","2","2","1") = "6"
    & skf21("6","4","6","5","7","2","3","1") = "6"
    & skf21("6","4","6","5","7","2","4","1") = "6"
    & skf21("6","4","6","5","7","2","5","1") = "6"
    & skf21("6","4","6","5","7","2","6","1") = "6"
    & skf21("6","4","6","5","7","2","7","1") = "6"
    & skf21("6","4","6","5","7","3","1","1") = "6"
    & skf21("6","4","6","5","7","3","2","1") = "6"
    & skf21("6","4","6","5","7","3","3","1") = "6"
    & skf21("6","4","6","5","7","3","4","1") = "6"
    & skf21("6","4","6","5","7","3","5","1") = "6"
    & skf21("6","4","6","5","7","3","6","1") = "6"
    & skf21("6","4","6","5","7","3","7","1") = "6"
    & skf21("6","4","6","5","7","4","1","1") = "6"
    & skf21("6","4","6","5","7","4","2","1") = "6"
    & skf21("6","4","6","5","7","4","3","1") = "6"
    & skf21("6","4","6","5","7","4","4","1") = "6"
    & skf21("6","4","6","5","7","4","5","1") = "6"
    & skf21("6","4","6","5","7","4","6","1") = "6"
    & skf21("6","4","6","5","7","4","7","1") = "6"
    & skf21("6","4","6","5","7","5","1","1") = "6"
    & skf21("6","4","6","5","7","5","2","1") = "6"
    & skf21("6","4","6","5","7","5","3","1") = "6"
    & skf21("6","4","6","5","7","5","4","1") = "6"
    & skf21("6","4","6","5","7","5","5","1") = "6"
    & skf21("6","4","6","5","7","5","6","1") = "6"
    & skf21("6","4","6","5","7","5","7","1") = "6"
    & skf21("6","4","6","5","7","6","1","1") = "6"
    & skf21("6","4","6","5","7","6","2","1") = "6"
    & skf21("6","4","6","5","7","6","3","1") = "6"
    & skf21("6","4","6","5","7","6","4","1") = "6"
    & skf21("6","4","6","5","7","6","5","1") = "6"
    & skf21("6","4","6","5","7","6","6","1") = "6"
    & skf21("6","4","6","5","7","6","7","1") = "6"
    & skf21("6","4","6","5","7","7","1","1") = "6"
    & skf21("6","4","6","5","7","7","2","1") = "6"
    & skf21("6","4","6","5","7","7","3","1") = "6"
    & skf21("6","4","6","5","7","7","4","1") = "6"
    & skf21("6","4","6","5","7","7","5","1") = "6"
    & skf21("6","4","6","5","7","7","6","1") = "6"
    & skf21("6","4","6","5","7","7","7","1") = "6"
    & skf21("6","4","6","6","1","1","1","1") = "5"
    & skf21("6","4","6","6","1","1","2","1") = "5"
    & skf21("6","4","6","6","1","1","3","1") = "5"
    & skf21("6","4","6","6","1","1","4","1") = "5"
    & skf21("6","4","6","6","1","1","5","1") = "5"
    & skf21("6","4","6","6","1","1","6","1") = "5"
    & skf21("6","4","6","6","1","1","7","1") = "6"
    & skf21("6","4","6","6","1","2","1","1") = "5"
    & skf21("6","4","6","6","1","2","2","1") = "5"
    & skf21("6","4","6","6","1","2","3","1") = "5"
    & skf21("6","4","6","6","1","2","4","1") = "5"
    & skf21("6","4","6","6","1","2","5","1") = "5"
    & skf21("6","4","6","6","1","2","6","1") = "5"
    & skf21("6","4","6","6","1","2","7","1") = "6"
    & skf21("6","4","6","6","1","3","1","1") = "5"
    & skf21("6","4","6","6","1","3","2","1") = "5"
    & skf21("6","4","6","6","1","3","3","1") = "5"
    & skf21("6","4","6","6","1","3","4","1") = "5"
    & skf21("6","4","6","6","1","3","5","1") = "5"
    & skf21("6","4","6","6","1","3","6","1") = "5"
    & skf21("6","4","6","6","1","3","7","1") = "6"
    & skf21("6","4","6","6","1","4","1","1") = "5"
    & skf21("6","4","6","6","1","4","2","1") = "5"
    & skf21("6","4","6","6","1","4","3","1") = "5"
    & skf21("6","4","6","6","1","4","4","1") = "5"
    & skf21("6","4","6","6","1","4","5","1") = "5"
    & skf21("6","4","6","6","1","4","6","1") = "5"
    & skf21("6","4","6","6","1","4","7","1") = "6"
    & skf21("6","4","6","6","1","5","1","1") = "5"
    & skf21("6","4","6","6","1","5","2","1") = "5"
    & skf21("6","4","6","6","1","5","3","1") = "5"
    & skf21("6","4","6","6","1","5","4","1") = "5"
    & skf21("6","4","6","6","1","5","5","1") = "5"
    & skf21("6","4","6","6","1","5","6","1") = "5"
    & skf21("6","4","6","6","1","5","7","1") = "6"
    & skf21("6","4","6","6","1","6","1","1") = "5"
    & skf21("6","4","6","6","1","6","2","1") = "5"
    & skf21("6","4","6","6","1","6","3","1") = "5"
    & skf21("6","4","6","6","1","6","4","1") = "5"
    & skf21("6","4","6","6","1","6","5","1") = "5"
    & skf21("6","4","6","6","1","6","6","1") = "5"
    & skf21("6","4","6","6","1","6","7","1") = "6"
    & skf21("6","4","6","6","1","7","1","1") = "6"
    & skf21("6","4","6","6","1","7","2","1") = "6"
    & skf21("6","4","6","6","1","7","3","1") = "6"
    & skf21("6","4","6","6","1","7","4","1") = "6"
    & skf21("6","4","6","6","1","7","5","1") = "6"
    & skf21("6","4","6","6","1","7","6","1") = "6"
    & skf21("6","4","6","6","1","7","7","1") = "6"
    & skf21("6","4","6","6","2","1","1","1") = "5"
    & skf21("6","4","6","6","2","1","2","1") = "5"
    & skf21("6","4","6","6","2","1","3","1") = "5"
    & skf21("6","4","6","6","2","1","4","1") = "5"
    & skf21("6","4","6","6","2","1","5","1") = "5"
    & skf21("6","4","6","6","2","1","6","1") = "5"
    & skf21("6","4","6","6","2","1","7","1") = "6"
    & skf21("6","4","6","6","2","2","1","1") = "5"
    & skf21("6","4","6","6","2","2","2","1") = "5"
    & skf21("6","4","6","6","2","2","3","1") = "5"
    & skf21("6","4","6","6","2","2","4","1") = "5"
    & skf21("6","4","6","6","2","2","5","1") = "5"
    & skf21("6","4","6","6","2","2","6","1") = "5"
    & skf21("6","4","6","6","2","2","7","1") = "6"
    & skf21("6","4","6","6","2","3","1","1") = "5"
    & skf21("6","4","6","6","2","3","2","1") = "5"
    & skf21("6","4","6","6","2","3","3","1") = "5"
    & skf21("6","4","6","6","2","3","4","1") = "5"
    & skf21("6","4","6","6","2","3","5","1") = "5"
    & skf21("6","4","6","6","2","3","6","1") = "5"
    & skf21("6","4","6","6","2","3","7","1") = "6"
    & skf21("6","4","6","6","2","4","1","1") = "5"
    & skf21("6","4","6","6","2","4","2","1") = "5"
    & skf21("6","4","6","6","2","4","3","1") = "5"
    & skf21("6","4","6","6","2","4","4","1") = "5"
    & skf21("6","4","6","6","2","4","5","1") = "5"
    & skf21("6","4","6","6","2","4","6","1") = "5"
    & skf21("6","4","6","6","2","4","7","1") = "6"
    & skf21("6","4","6","6","2","5","1","1") = "5"
    & skf21("6","4","6","6","2","5","2","1") = "5"
    & skf21("6","4","6","6","2","5","3","1") = "5"
    & skf21("6","4","6","6","2","5","4","1") = "5"
    & skf21("6","4","6","6","2","5","5","1") = "5"
    & skf21("6","4","6","6","2","5","6","1") = "5"
    & skf21("6","4","6","6","2","5","7","1") = "6"
    & skf21("6","4","6","6","2","6","1","1") = "5"
    & skf21("6","4","6","6","2","6","2","1") = "5"
    & skf21("6","4","6","6","2","6","3","1") = "5"
    & skf21("6","4","6","6","2","6","4","1") = "5"
    & skf21("6","4","6","6","2","6","5","1") = "5"
    & skf21("6","4","6","6","2","6","6","1") = "5"
    & skf21("6","4","6","6","2","6","7","1") = "6"
    & skf21("6","4","6","6","2","7","1","1") = "6"
    & skf21("6","4","6","6","2","7","2","1") = "6"
    & skf21("6","4","6","6","2","7","3","1") = "6"
    & skf21("6","4","6","6","2","7","4","1") = "6"
    & skf21("6","4","6","6","2","7","5","1") = "6"
    & skf21("6","4","6","6","2","7","6","1") = "6"
    & skf21("6","4","6","6","2","7","7","1") = "6"
    & skf21("6","4","6","6","3","1","1","1") = "5"
    & skf21("6","4","6","6","3","1","2","1") = "5"
    & skf21("6","4","6","6","3","1","3","1") = "5"
    & skf21("6","4","6","6","3","1","4","1") = "5"
    & skf21("6","4","6","6","3","1","5","1") = "5"
    & skf21("6","4","6","6","3","1","6","1") = "5"
    & skf21("6","4","6","6","3","1","7","1") = "6"
    & skf21("6","4","6","6","3","2","1","1") = "5"
    & skf21("6","4","6","6","3","2","2","1") = "5"
    & skf21("6","4","6","6","3","2","3","1") = "5"
    & skf21("6","4","6","6","3","2","4","1") = "5"
    & skf21("6","4","6","6","3","2","5","1") = "5"
    & skf21("6","4","6","6","3","2","6","1") = "5"
    & skf21("6","4","6","6","3","2","7","1") = "6"
    & skf21("6","4","6","6","3","3","1","1") = "5"
    & skf21("6","4","6","6","3","3","2","1") = "5"
    & skf21("6","4","6","6","3","3","3","1") = "5"
    & skf21("6","4","6","6","3","3","4","1") = "5"
    & skf21("6","4","6","6","3","3","5","1") = "5"
    & skf21("6","4","6","6","3","3","6","1") = "5"
    & skf21("6","4","6","6","3","3","7","1") = "6"
    & skf21("6","4","6","6","3","4","1","1") = "5"
    & skf21("6","4","6","6","3","4","2","1") = "5"
    & skf21("6","4","6","6","3","4","3","1") = "5"
    & skf21("6","4","6","6","3","4","4","1") = "5"
    & skf21("6","4","6","6","3","4","5","1") = "5"
    & skf21("6","4","6","6","3","4","6","1") = "5"
    & skf21("6","4","6","6","3","4","7","1") = "6"
    & skf21("6","4","6","6","3","5","1","1") = "5"
    & skf21("6","4","6","6","3","5","2","1") = "5"
    & skf21("6","4","6","6","3","5","3","1") = "5"
    & skf21("6","4","6","6","3","5","4","1") = "5"
    & skf21("6","4","6","6","3","5","5","1") = "5"
    & skf21("6","4","6","6","3","5","6","1") = "5"
    & skf21("6","4","6","6","3","5","7","1") = "6"
    & skf21("6","4","6","6","3","6","1","1") = "5"
    & skf21("6","4","6","6","3","6","2","1") = "5"
    & skf21("6","4","6","6","3","6","3","1") = "5"
    & skf21("6","4","6","6","3","6","4","1") = "5"
    & skf21("6","4","6","6","3","6","5","1") = "5"
    & skf21("6","4","6","6","3","6","6","1") = "5"
    & skf21("6","4","6","6","3","6","7","1") = "6"
    & skf21("6","4","6","6","3","7","1","1") = "6"
    & skf21("6","4","6","6","3","7","2","1") = "6"
    & skf21("6","4","6","6","3","7","3","1") = "6"
    & skf21("6","4","6","6","3","7","4","1") = "6"
    & skf21("6","4","6","6","3","7","5","1") = "6"
    & skf21("6","4","6","6","3","7","6","1") = "6"
    & skf21("6","4","6","6","3","7","7","1") = "6"
    & skf21("6","4","6","6","4","1","1","1") = "5"
    & skf21("6","4","6","6","4","1","2","1") = "5"
    & skf21("6","4","6","6","4","1","3","1") = "5"
    & skf21("6","4","6","6","4","1","4","1") = "5"
    & skf21("6","4","6","6","4","1","5","1") = "5"
    & skf21("6","4","6","6","4","1","6","1") = "5"
    & skf21("6","4","6","6","4","1","7","1") = "6"
    & skf21("6","4","6","6","4","2","1","1") = "5"
    & skf21("6","4","6","6","4","2","2","1") = "5"
    & skf21("6","4","6","6","4","2","3","1") = "5"
    & skf21("6","4","6","6","4","2","4","1") = "5"
    & skf21("6","4","6","6","4","2","5","1") = "5"
    & skf21("6","4","6","6","4","2","6","1") = "5"
    & skf21("6","4","6","6","4","2","7","1") = "6"
    & skf21("6","4","6","6","4","3","1","1") = "5"
    & skf21("6","4","6","6","4","3","2","1") = "5"
    & skf21("6","4","6","6","4","3","3","1") = "5"
    & skf21("6","4","6","6","4","3","4","1") = "5"
    & skf21("6","4","6","6","4","3","5","1") = "5"
    & skf21("6","4","6","6","4","3","6","1") = "5"
    & skf21("6","4","6","6","4","3","7","1") = "6"
    & skf21("6","4","6","6","4","4","1","1") = "5"
    & skf21("6","4","6","6","4","4","2","1") = "5"
    & skf21("6","4","6","6","4","4","3","1") = "5"
    & skf21("6","4","6","6","4","4","4","1") = "5"
    & skf21("6","4","6","6","4","4","5","1") = "5"
    & skf21("6","4","6","6","4","4","6","1") = "5"
    & skf21("6","4","6","6","4","4","7","1") = "6"
    & skf21("6","4","6","6","4","5","1","1") = "5"
    & skf21("6","4","6","6","4","5","2","1") = "5"
    & skf21("6","4","6","6","4","5","3","1") = "5"
    & skf21("6","4","6","6","4","5","4","1") = "5"
    & skf21("6","4","6","6","4","5","5","1") = "5"
    & skf21("6","4","6","6","4","5","6","1") = "5"
    & skf21("6","4","6","6","4","5","7","1") = "6"
    & skf21("6","4","6","6","4","6","1","1") = "5"
    & skf21("6","4","6","6","4","6","2","1") = "5"
    & skf21("6","4","6","6","4","6","3","1") = "5"
    & skf21("6","4","6","6","4","6","4","1") = "5"
    & skf21("6","4","6","6","4","6","5","1") = "5"
    & skf21("6","4","6","6","4","6","6","1") = "5"
    & skf21("6","4","6","6","4","6","7","1") = "6"
    & skf21("6","4","6","6","4","7","1","1") = "6"
    & skf21("6","4","6","6","4","7","2","1") = "6"
    & skf21("6","4","6","6","4","7","3","1") = "6"
    & skf21("6","4","6","6","4","7","4","1") = "6"
    & skf21("6","4","6","6","4","7","5","1") = "6"
    & skf21("6","4","6","6","4","7","6","1") = "6"
    & skf21("6","4","6","6","4","7","7","1") = "6"
    & skf21("6","4","6","6","5","1","1","1") = "5"
    & skf21("6","4","6","6","5","1","2","1") = "5"
    & skf21("6","4","6","6","5","1","3","1") = "5"
    & skf21("6","4","6","6","5","1","4","1") = "5"
    & skf21("6","4","6","6","5","1","5","1") = "5"
    & skf21("6","4","6","6","5","1","6","1") = "5"
    & skf21("6","4","6","6","5","1","7","1") = "6"
    & skf21("6","4","6","6","5","2","1","1") = "5"
    & skf21("6","4","6","6","5","2","2","1") = "5"
    & skf21("6","4","6","6","5","2","3","1") = "5"
    & skf21("6","4","6","6","5","2","4","1") = "5"
    & skf21("6","4","6","6","5","2","5","1") = "5"
    & skf21("6","4","6","6","5","2","6","1") = "5"
    & skf21("6","4","6","6","5","2","7","1") = "6"
    & skf21("6","4","6","6","5","3","1","1") = "5"
    & skf21("6","4","6","6","5","3","2","1") = "5"
    & skf21("6","4","6","6","5","3","3","1") = "5"
    & skf21("6","4","6","6","5","3","4","1") = "5"
    & skf21("6","4","6","6","5","3","5","1") = "5"
    & skf21("6","4","6","6","5","3","6","1") = "5"
    & skf21("6","4","6","6","5","3","7","1") = "6"
    & skf21("6","4","6","6","5","4","1","1") = "5"
    & skf21("6","4","6","6","5","4","2","1") = "5"
    & skf21("6","4","6","6","5","4","3","1") = "5"
    & skf21("6","4","6","6","5","4","4","1") = "5"
    & skf21("6","4","6","6","5","4","5","1") = "5"
    & skf21("6","4","6","6","5","4","6","1") = "5"
    & skf21("6","4","6","6","5","4","7","1") = "6"
    & skf21("6","4","6","6","5","5","1","1") = "5"
    & skf21("6","4","6","6","5","5","2","1") = "5"
    & skf21("6","4","6","6","5","5","3","1") = "5"
    & skf21("6","4","6","6","5","5","4","1") = "5"
    & skf21("6","4","6","6","5","5","5","1") = "5"
    & skf21("6","4","6","6","5","5","6","1") = "5"
    & skf21("6","4","6","6","5","5","7","1") = "6"
    & skf21("6","4","6","6","5","6","1","1") = "5"
    & skf21("6","4","6","6","5","6","2","1") = "5"
    & skf21("6","4","6","6","5","6","3","1") = "5"
    & skf21("6","4","6","6","5","6","4","1") = "5"
    & skf21("6","4","6","6","5","6","5","1") = "5"
    & skf21("6","4","6","6","5","6","6","1") = "5"
    & skf21("6","4","6","6","5","6","7","1") = "6"
    & skf21("6","4","6","6","5","7","1","1") = "6"
    & skf21("6","4","6","6","5","7","2","1") = "6"
    & skf21("6","4","6","6","5","7","3","1") = "6"
    & skf21("6","4","6","6","5","7","4","1") = "6"
    & skf21("6","4","6","6","5","7","5","1") = "6"
    & skf21("6","4","6","6","5","7","6","1") = "6"
    & skf21("6","4","6","6","5","7","7","1") = "6"
    & skf21("6","4","6","6","6","1","1","1") = "5"
    & skf21("6","4","6","6","6","1","2","1") = "5"
    & skf21("6","4","6","6","6","1","3","1") = "5"
    & skf21("6","4","6","6","6","1","4","1") = "5"
    & skf21("6","4","6","6","6","1","5","1") = "5"
    & skf21("6","4","6","6","6","1","6","1") = "5"
    & skf21("6","4","6","6","6","1","7","1") = "6"
    & skf21("6","4","6","6","6","2","1","1") = "5"
    & skf21("6","4","6","6","6","2","2","1") = "5"
    & skf21("6","4","6","6","6","2","3","1") = "5"
    & skf21("6","4","6","6","6","2","4","1") = "5"
    & skf21("6","4","6","6","6","2","5","1") = "5"
    & skf21("6","4","6","6","6","2","6","1") = "5"
    & skf21("6","4","6","6","6","2","7","1") = "6"
    & skf21("6","4","6","6","6","3","1","1") = "5"
    & skf21("6","4","6","6","6","3","2","1") = "5"
    & skf21("6","4","6","6","6","3","3","1") = "5"
    & skf21("6","4","6","6","6","3","4","1") = "5"
    & skf21("6","4","6","6","6","3","5","1") = "5"
    & skf21("6","4","6","6","6","3","6","1") = "5"
    & skf21("6","4","6","6","6","3","7","1") = "6"
    & skf21("6","4","6","6","6","4","1","1") = "5"
    & skf21("6","4","6","6","6","4","2","1") = "5"
    & skf21("6","4","6","6","6","4","3","1") = "5"
    & skf21("6","4","6","6","6","4","4","1") = "5"
    & skf21("6","4","6","6","6","4","5","1") = "5"
    & skf21("6","4","6","6","6","4","6","1") = "5"
    & skf21("6","4","6","6","6","4","7","1") = "6"
    & skf21("6","4","6","6","6","5","1","1") = "5"
    & skf21("6","4","6","6","6","5","2","1") = "5"
    & skf21("6","4","6","6","6","5","3","1") = "5"
    & skf21("6","4","6","6","6","5","4","1") = "5"
    & skf21("6","4","6","6","6","5","5","1") = "5"
    & skf21("6","4","6","6","6","5","6","1") = "5"
    & skf21("6","4","6","6","6","5","7","1") = "6"
    & skf21("6","4","6","6","6","6","1","1") = "5"
    & skf21("6","4","6","6","6","6","2","1") = "5"
    & skf21("6","4","6","6","6","6","3","1") = "5"
    & skf21("6","4","6","6","6","6","4","1") = "5"
    & skf21("6","4","6","6","6","6","5","1") = "5"
    & skf21("6","4","6","6","6","6","6","1") = "5"
    & skf21("6","4","6","6","6","6","7","1") = "6"
    & skf21("6","4","6","6","6","7","1","1") = "6"
    & skf21("6","4","6","6","6","7","2","1") = "6"
    & skf21("6","4","6","6","6","7","3","1") = "6"
    & skf21("6","4","6","6","6","7","4","1") = "6"
    & skf21("6","4","6","6","6","7","5","1") = "6"
    & skf21("6","4","6","6","6","7","6","1") = "6"
    & skf21("6","4","6","6","6","7","7","1") = "6"
    & skf21("6","4","6","6","7","1","1","1") = "6"
    & skf21("6","4","6","6","7","1","2","1") = "6"
    & skf21("6","4","6","6","7","1","3","1") = "6"
    & skf21("6","4","6","6","7","1","4","1") = "6"
    & skf21("6","4","6","6","7","1","5","1") = "6"
    & skf21("6","4","6","6","7","1","6","1") = "6"
    & skf21("6","4","6","6","7","1","7","1") = "6"
    & skf21("6","4","6","6","7","2","1","1") = "6"
    & skf21("6","4","6","6","7","2","2","1") = "6"
    & skf21("6","4","6","6","7","2","3","1") = "6"
    & skf21("6","4","6","6","7","2","4","1") = "6"
    & skf21("6","4","6","6","7","2","5","1") = "6"
    & skf21("6","4","6","6","7","2","6","1") = "6"
    & skf21("6","4","6","6","7","2","7","1") = "6"
    & skf21("6","4","6","6","7","3","1","1") = "6"
    & skf21("6","4","6","6","7","3","2","1") = "6"
    & skf21("6","4","6","6","7","3","3","1") = "6"
    & skf21("6","4","6","6","7","3","4","1") = "6"
    & skf21("6","4","6","6","7","3","5","1") = "6"
    & skf21("6","4","6","6","7","3","6","1") = "6"
    & skf21("6","4","6","6","7","3","7","1") = "6"
    & skf21("6","4","6","6","7","4","1","1") = "6"
    & skf21("6","4","6","6","7","4","2","1") = "6"
    & skf21("6","4","6","6","7","4","3","1") = "6"
    & skf21("6","4","6","6","7","4","4","1") = "6"
    & skf21("6","4","6","6","7","4","5","1") = "6"
    & skf21("6","4","6","6","7","4","6","1") = "6"
    & skf21("6","4","6","6","7","4","7","1") = "6"
    & skf21("6","4","6","6","7","5","1","1") = "6"
    & skf21("6","4","6","6","7","5","2","1") = "6"
    & skf21("6","4","6","6","7","5","3","1") = "6"
    & skf21("6","4","6","6","7","5","4","1") = "6"
    & skf21("6","4","6","6","7","5","5","1") = "6"
    & skf21("6","4","6","6","7","5","6","1") = "6"
    & skf21("6","4","6","6","7","5","7","1") = "6"
    & skf21("6","4","6","6","7","6","1","1") = "6"
    & skf21("6","4","6","6","7","6","2","1") = "6"
    & skf21("6","4","6","6","7","6","3","1") = "6"
    & skf21("6","4","6","6","7","6","4","1") = "6"
    & skf21("6","4","6","6","7","6","5","1") = "6"
    & skf21("6","4","6","6","7","6","6","1") = "6"
    & skf21("6","4","6","6","7","6","7","1") = "6"
    & skf21("6","4","6","6","7","7","1","1") = "6"
    & skf21("6","4","6","6","7","7","2","1") = "6"
    & skf21("6","4","6","6","7","7","3","1") = "6"
    & skf21("6","4","6","6","7","7","4","1") = "6"
    & skf21("6","4","6","6","7","7","5","1") = "6"
    & skf21("6","4","6","6","7","7","6","1") = "6"
    & skf21("6","4","6","6","7","7","7","1") = "6"
    & skf21("6","4","6","7","1","1","1","1") = "6"
    & skf21("6","4","6","7","1","1","2","1") = "6"
    & skf21("6","4","6","7","1","1","3","1") = "6"
    & skf21("6","4","6","7","1","1","4","1") = "6"
    & skf21("6","4","6","7","1","1","5","1") = "6"
    & skf21("6","4","6","7","1","1","6","1") = "6"
    & skf21("6","4","6","7","1","1","7","1") = "6"
    & skf21("6","4","6","7","1","2","1","1") = "6"
    & skf21("6","4","6","7","1","2","2","1") = "6"
    & skf21("6","4","6","7","1","2","3","1") = "6"
    & skf21("6","4","6","7","1","2","4","1") = "6"
    & skf21("6","4","6","7","1","2","5","1") = "6"
    & skf21("6","4","6","7","1","2","6","1") = "6"
    & skf21("6","4","6","7","1","2","7","1") = "6"
    & skf21("6","4","6","7","1","3","1","1") = "6"
    & skf21("6","4","6","7","1","3","2","1") = "6"
    & skf21("6","4","6","7","1","3","3","1") = "6"
    & skf21("6","4","6","7","1","3","4","1") = "6"
    & skf21("6","4","6","7","1","3","5","1") = "6"
    & skf21("6","4","6","7","1","3","6","1") = "6"
    & skf21("6","4","6","7","1","3","7","1") = "6"
    & skf21("6","4","6","7","1","4","1","1") = "6"
    & skf21("6","4","6","7","1","4","2","1") = "6"
    & skf21("6","4","6","7","1","4","3","1") = "6"
    & skf21("6","4","6","7","1","4","4","1") = "6"
    & skf21("6","4","6","7","1","4","5","1") = "6"
    & skf21("6","4","6","7","1","4","6","1") = "6"
    & skf21("6","4","6","7","1","4","7","1") = "6"
    & skf21("6","4","6","7","1","5","1","1") = "6"
    & skf21("6","4","6","7","1","5","2","1") = "6"
    & skf21("6","4","6","7","1","5","3","1") = "6"
    & skf21("6","4","6","7","1","5","4","1") = "6"
    & skf21("6","4","6","7","1","5","5","1") = "6"
    & skf21("6","4","6","7","1","5","6","1") = "6"
    & skf21("6","4","6","7","1","5","7","1") = "6"
    & skf21("6","4","6","7","1","6","1","1") = "6"
    & skf21("6","4","6","7","1","6","2","1") = "6"
    & skf21("6","4","6","7","1","6","3","1") = "6"
    & skf21("6","4","6","7","1","6","4","1") = "6"
    & skf21("6","4","6","7","1","6","5","1") = "6"
    & skf21("6","4","6","7","1","6","6","1") = "6"
    & skf21("6","4","6","7","1","6","7","1") = "6"
    & skf21("6","4","6","7","1","7","1","1") = "6"
    & skf21("6","4","6","7","1","7","2","1") = "6"
    & skf21("6","4","6","7","1","7","3","1") = "6"
    & skf21("6","4","6","7","1","7","4","1") = "6"
    & skf21("6","4","6","7","1","7","5","1") = "6"
    & skf21("6","4","6","7","1","7","6","1") = "6"
    & skf21("6","4","6","7","1","7","7","1") = "6"
    & skf21("6","4","6","7","2","1","1","1") = "6"
    & skf21("6","4","6","7","2","1","2","1") = "6"
    & skf21("6","4","6","7","2","1","3","1") = "6"
    & skf21("6","4","6","7","2","1","4","1") = "6"
    & skf21("6","4","6","7","2","1","5","1") = "6"
    & skf21("6","4","6","7","2","1","6","1") = "6"
    & skf21("6","4","6","7","2","1","7","1") = "6"
    & skf21("6","4","6","7","2","2","1","1") = "6"
    & skf21("6","4","6","7","2","2","2","1") = "6"
    & skf21("6","4","6","7","2","2","3","1") = "6"
    & skf21("6","4","6","7","2","2","4","1") = "6"
    & skf21("6","4","6","7","2","2","5","1") = "6"
    & skf21("6","4","6","7","2","2","6","1") = "6"
    & skf21("6","4","6","7","2","2","7","1") = "6"
    & skf21("6","4","6","7","2","3","1","1") = "6"
    & skf21("6","4","6","7","2","3","2","1") = "6"
    & skf21("6","4","6","7","2","3","3","1") = "6"
    & skf21("6","4","6","7","2","3","4","1") = "6"
    & skf21("6","4","6","7","2","3","5","1") = "6"
    & skf21("6","4","6","7","2","3","6","1") = "6"
    & skf21("6","4","6","7","2","3","7","1") = "6"
    & skf21("6","4","6","7","2","4","1","1") = "6"
    & skf21("6","4","6","7","2","4","2","1") = "6"
    & skf21("6","4","6","7","2","4","3","1") = "6"
    & skf21("6","4","6","7","2","4","4","1") = "6"
    & skf21("6","4","6","7","2","4","5","1") = "6"
    & skf21("6","4","6","7","2","4","6","1") = "6"
    & skf21("6","4","6","7","2","4","7","1") = "6"
    & skf21("6","4","6","7","2","5","1","1") = "6"
    & skf21("6","4","6","7","2","5","2","1") = "6"
    & skf21("6","4","6","7","2","5","3","1") = "6"
    & skf21("6","4","6","7","2","5","4","1") = "6"
    & skf21("6","4","6","7","2","5","5","1") = "6"
    & skf21("6","4","6","7","2","5","6","1") = "6"
    & skf21("6","4","6","7","2","5","7","1") = "6"
    & skf21("6","4","6","7","2","6","1","1") = "6"
    & skf21("6","4","6","7","2","6","2","1") = "6"
    & skf21("6","4","6","7","2","6","3","1") = "6"
    & skf21("6","4","6","7","2","6","4","1") = "6"
    & skf21("6","4","6","7","2","6","5","1") = "6"
    & skf21("6","4","6","7","2","6","6","1") = "6"
    & skf21("6","4","6","7","2","6","7","1") = "6"
    & skf21("6","4","6","7","2","7","1","1") = "6"
    & skf21("6","4","6","7","2","7","2","1") = "6"
    & skf21("6","4","6","7","2","7","3","1") = "6"
    & skf21("6","4","6","7","2","7","4","1") = "6"
    & skf21("6","4","6","7","2","7","5","1") = "6"
    & skf21("6","4","6","7","2","7","6","1") = "6"
    & skf21("6","4","6","7","2","7","7","1") = "6"
    & skf21("6","4","6","7","3","1","1","1") = "6"
    & skf21("6","4","6","7","3","1","2","1") = "6"
    & skf21("6","4","6","7","3","1","3","1") = "6"
    & skf21("6","4","6","7","3","1","4","1") = "6"
    & skf21("6","4","6","7","3","1","5","1") = "6"
    & skf21("6","4","6","7","3","1","6","1") = "6"
    & skf21("6","4","6","7","3","1","7","1") = "6"
    & skf21("6","4","6","7","3","2","1","1") = "6"
    & skf21("6","4","6","7","3","2","2","1") = "6"
    & skf21("6","4","6","7","3","2","3","1") = "6"
    & skf21("6","4","6","7","3","2","4","1") = "6"
    & skf21("6","4","6","7","3","2","5","1") = "6"
    & skf21("6","4","6","7","3","2","6","1") = "6"
    & skf21("6","4","6","7","3","2","7","1") = "6"
    & skf21("6","4","6","7","3","3","1","1") = "6"
    & skf21("6","4","6","7","3","3","2","1") = "6"
    & skf21("6","4","6","7","3","3","3","1") = "6"
    & skf21("6","4","6","7","3","3","4","1") = "6"
    & skf21("6","4","6","7","3","3","5","1") = "6"
    & skf21("6","4","6","7","3","3","6","1") = "6"
    & skf21("6","4","6","7","3","3","7","1") = "6"
    & skf21("6","4","6","7","3","4","1","1") = "6"
    & skf21("6","4","6","7","3","4","2","1") = "6"
    & skf21("6","4","6","7","3","4","3","1") = "6"
    & skf21("6","4","6","7","3","4","4","1") = "6"
    & skf21("6","4","6","7","3","4","5","1") = "6"
    & skf21("6","4","6","7","3","4","6","1") = "6"
    & skf21("6","4","6","7","3","4","7","1") = "6"
    & skf21("6","4","6","7","3","5","1","1") = "6"
    & skf21("6","4","6","7","3","5","2","1") = "6"
    & skf21("6","4","6","7","3","5","3","1") = "6"
    & skf21("6","4","6","7","3","5","4","1") = "6"
    & skf21("6","4","6","7","3","5","5","1") = "6"
    & skf21("6","4","6","7","3","5","6","1") = "6"
    & skf21("6","4","6","7","3","5","7","1") = "6"
    & skf21("6","4","6","7","3","6","1","1") = "6"
    & skf21("6","4","6","7","3","6","2","1") = "6"
    & skf21("6","4","6","7","3","6","3","1") = "6"
    & skf21("6","4","6","7","3","6","4","1") = "6"
    & skf21("6","4","6","7","3","6","5","1") = "6"
    & skf21("6","4","6","7","3","6","6","1") = "6"
    & skf21("6","4","6","7","3","6","7","1") = "6"
    & skf21("6","4","6","7","3","7","1","1") = "6"
    & skf21("6","4","6","7","3","7","2","1") = "6"
    & skf21("6","4","6","7","3","7","3","1") = "6"
    & skf21("6","4","6","7","3","7","4","1") = "6"
    & skf21("6","4","6","7","3","7","5","1") = "6"
    & skf21("6","4","6","7","3","7","6","1") = "6"
    & skf21("6","4","6","7","3","7","7","1") = "6"
    & skf21("6","4","6","7","4","1","1","1") = "6"
    & skf21("6","4","6","7","4","1","2","1") = "6"
    & skf21("6","4","6","7","4","1","3","1") = "6"
    & skf21("6","4","6","7","4","1","4","1") = "6"
    & skf21("6","4","6","7","4","1","5","1") = "6"
    & skf21("6","4","6","7","4","1","6","1") = "6"
    & skf21("6","4","6","7","4","1","7","1") = "6"
    & skf21("6","4","6","7","4","2","1","1") = "6"
    & skf21("6","4","6","7","4","2","2","1") = "6"
    & skf21("6","4","6","7","4","2","3","1") = "6"
    & skf21("6","4","6","7","4","2","4","1") = "6"
    & skf21("6","4","6","7","4","2","5","1") = "6"
    & skf21("6","4","6","7","4","2","6","1") = "6"
    & skf21("6","4","6","7","4","2","7","1") = "6"
    & skf21("6","4","6","7","4","3","1","1") = "6"
    & skf21("6","4","6","7","4","3","2","1") = "6"
    & skf21("6","4","6","7","4","3","3","1") = "6"
    & skf21("6","4","6","7","4","3","4","1") = "6"
    & skf21("6","4","6","7","4","3","5","1") = "6"
    & skf21("6","4","6","7","4","3","6","1") = "6"
    & skf21("6","4","6","7","4","3","7","1") = "6"
    & skf21("6","4","6","7","4","4","1","1") = "6"
    & skf21("6","4","6","7","4","4","2","1") = "6"
    & skf21("6","4","6","7","4","4","3","1") = "6"
    & skf21("6","4","6","7","4","4","4","1") = "6"
    & skf21("6","4","6","7","4","4","5","1") = "6"
    & skf21("6","4","6","7","4","4","6","1") = "6"
    & skf21("6","4","6","7","4","4","7","1") = "6"
    & skf21("6","4","6","7","4","5","1","1") = "6"
    & skf21("6","4","6","7","4","5","2","1") = "6"
    & skf21("6","4","6","7","4","5","3","1") = "6"
    & skf21("6","4","6","7","4","5","4","1") = "6"
    & skf21("6","4","6","7","4","5","5","1") = "6"
    & skf21("6","4","6","7","4","5","6","1") = "6"
    & skf21("6","4","6","7","4","5","7","1") = "6"
    & skf21("6","4","6","7","4","6","1","1") = "6"
    & skf21("6","4","6","7","4","6","2","1") = "6"
    & skf21("6","4","6","7","4","6","3","1") = "6"
    & skf21("6","4","6","7","4","6","4","1") = "6"
    & skf21("6","4","6","7","4","6","5","1") = "6"
    & skf21("6","4","6","7","4","6","6","1") = "6"
    & skf21("6","4","6","7","4","6","7","1") = "6"
    & skf21("6","4","6","7","4","7","1","1") = "6"
    & skf21("6","4","6","7","4","7","2","1") = "6"
    & skf21("6","4","6","7","4","7","3","1") = "6"
    & skf21("6","4","6","7","4","7","4","1") = "6"
    & skf21("6","4","6","7","4","7","5","1") = "6"
    & skf21("6","4","6","7","4","7","6","1") = "6"
    & skf21("6","4","6","7","4","7","7","1") = "6"
    & skf21("6","4","6","7","5","1","1","1") = "6"
    & skf21("6","4","6","7","5","1","2","1") = "6"
    & skf21("6","4","6","7","5","1","3","1") = "6"
    & skf21("6","4","6","7","5","1","4","1") = "6"
    & skf21("6","4","6","7","5","1","5","1") = "6"
    & skf21("6","4","6","7","5","1","6","1") = "6"
    & skf21("6","4","6","7","5","1","7","1") = "6"
    & skf21("6","4","6","7","5","2","1","1") = "6"
    & skf21("6","4","6","7","5","2","2","1") = "6"
    & skf21("6","4","6","7","5","2","3","1") = "6"
    & skf21("6","4","6","7","5","2","4","1") = "6"
    & skf21("6","4","6","7","5","2","5","1") = "6"
    & skf21("6","4","6","7","5","2","6","1") = "6"
    & skf21("6","4","6","7","5","2","7","1") = "6"
    & skf21("6","4","6","7","5","3","1","1") = "6"
    & skf21("6","4","6","7","5","3","2","1") = "6"
    & skf21("6","4","6","7","5","3","3","1") = "6"
    & skf21("6","4","6","7","5","3","4","1") = "6"
    & skf21("6","4","6","7","5","3","5","1") = "6"
    & skf21("6","4","6","7","5","3","6","1") = "6"
    & skf21("6","4","6","7","5","3","7","1") = "6"
    & skf21("6","4","6","7","5","4","1","1") = "6"
    & skf21("6","4","6","7","5","4","2","1") = "6"
    & skf21("6","4","6","7","5","4","3","1") = "6"
    & skf21("6","4","6","7","5","4","4","1") = "6"
    & skf21("6","4","6","7","5","4","5","1") = "6"
    & skf21("6","4","6","7","5","4","6","1") = "6"
    & skf21("6","4","6","7","5","4","7","1") = "6"
    & skf21("6","4","6","7","5","5","1","1") = "6"
    & skf21("6","4","6","7","5","5","2","1") = "6"
    & skf21("6","4","6","7","5","5","3","1") = "6"
    & skf21("6","4","6","7","5","5","4","1") = "6"
    & skf21("6","4","6","7","5","5","5","1") = "6"
    & skf21("6","4","6","7","5","5","6","1") = "6"
    & skf21("6","4","6","7","5","5","7","1") = "6"
    & skf21("6","4","6","7","5","6","1","1") = "6"
    & skf21("6","4","6","7","5","6","2","1") = "6"
    & skf21("6","4","6","7","5","6","3","1") = "6"
    & skf21("6","4","6","7","5","6","4","1") = "6"
    & skf21("6","4","6","7","5","6","5","1") = "6"
    & skf21("6","4","6","7","5","6","6","1") = "6"
    & skf21("6","4","6","7","5","6","7","1") = "6"
    & skf21("6","4","6","7","5","7","1","1") = "6"
    & skf21("6","4","6","7","5","7","2","1") = "6"
    & skf21("6","4","6","7","5","7","3","1") = "6"
    & skf21("6","4","6","7","5","7","4","1") = "6"
    & skf21("6","4","6","7","5","7","5","1") = "6"
    & skf21("6","4","6","7","5","7","6","1") = "6"
    & skf21("6","4","6","7","5","7","7","1") = "6"
    & skf21("6","4","6","7","6","1","1","1") = "6"
    & skf21("6","4","6","7","6","1","2","1") = "6"
    & skf21("6","4","6","7","6","1","3","1") = "6"
    & skf21("6","4","6","7","6","1","4","1") = "6"
    & skf21("6","4","6","7","6","1","5","1") = "6"
    & skf21("6","4","6","7","6","1","6","1") = "6"
    & skf21("6","4","6","7","6","1","7","1") = "6"
    & skf21("6","4","6","7","6","2","1","1") = "6"
    & skf21("6","4","6","7","6","2","2","1") = "6"
    & skf21("6","4","6","7","6","2","3","1") = "6"
    & skf21("6","4","6","7","6","2","4","1") = "6"
    & skf21("6","4","6","7","6","2","5","1") = "6"
    & skf21("6","4","6","7","6","2","6","1") = "6"
    & skf21("6","4","6","7","6","2","7","1") = "6"
    & skf21("6","4","6","7","6","3","1","1") = "6"
    & skf21("6","4","6","7","6","3","2","1") = "6"
    & skf21("6","4","6","7","6","3","3","1") = "6"
    & skf21("6","4","6","7","6","3","4","1") = "6"
    & skf21("6","4","6","7","6","3","5","1") = "6"
    & skf21("6","4","6","7","6","3","6","1") = "6"
    & skf21("6","4","6","7","6","3","7","1") = "6"
    & skf21("6","4","6","7","6","4","1","1") = "6"
    & skf21("6","4","6","7","6","4","2","1") = "6"
    & skf21("6","4","6","7","6","4","3","1") = "6"
    & skf21("6","4","6","7","6","4","4","1") = "6"
    & skf21("6","4","6","7","6","4","5","1") = "6"
    & skf21("6","4","6","7","6","4","6","1") = "6"
    & skf21("6","4","6","7","6","4","7","1") = "6"
    & skf21("6","4","6","7","6","5","1","1") = "6"
    & skf21("6","4","6","7","6","5","2","1") = "6"
    & skf21("6","4","6","7","6","5","3","1") = "6"
    & skf21("6","4","6","7","6","5","4","1") = "6"
    & skf21("6","4","6","7","6","5","5","1") = "6"
    & skf21("6","4","6","7","6","5","6","1") = "6"
    & skf21("6","4","6","7","6","5","7","1") = "6"
    & skf21("6","4","6","7","6","6","1","1") = "6"
    & skf21("6","4","6","7","6","6","2","1") = "6"
    & skf21("6","4","6","7","6","6","3","1") = "6"
    & skf21("6","4","6","7","6","6","4","1") = "6"
    & skf21("6","4","6","7","6","6","5","1") = "6"
    & skf21("6","4","6","7","6","6","6","1") = "6"
    & skf21("6","4","6","7","6","6","7","1") = "6"
    & skf21("6","4","6","7","6","7","1","1") = "6"
    & skf21("6","4","6","7","6","7","2","1") = "6"
    & skf21("6","4","6","7","6","7","3","1") = "6"
    & skf21("6","4","6","7","6","7","4","1") = "6"
    & skf21("6","4","6","7","6","7","5","1") = "6"
    & skf21("6","4","6","7","6","7","6","1") = "6"
    & skf21("6","4","6","7","6","7","7","1") = "6"
    & skf21("6","4","6","7","7","1","1","1") = "6"
    & skf21("6","4","6","7","7","1","2","1") = "6"
    & skf21("6","4","6","7","7","1","3","1") = "6"
    & skf21("6","4","6","7","7","1","4","1") = "6"
    & skf21("6","4","6","7","7","1","5","1") = "6"
    & skf21("6","4","6","7","7","1","6","1") = "6"
    & skf21("6","4","6","7","7","1","7","1") = "6"
    & skf21("6","4","6","7","7","2","1","1") = "6"
    & skf21("6","4","6","7","7","2","2","1") = "6"
    & skf21("6","4","6","7","7","2","3","1") = "6"
    & skf21("6","4","6","7","7","2","4","1") = "6"
    & skf21("6","4","6","7","7","2","5","1") = "6"
    & skf21("6","4","6","7","7","2","6","1") = "6"
    & skf21("6","4","6","7","7","2","7","1") = "6"
    & skf21("6","4","6","7","7","3","1","1") = "6"
    & skf21("6","4","6","7","7","3","2","1") = "6"
    & skf21("6","4","6","7","7","3","3","1") = "6"
    & skf21("6","4","6","7","7","3","4","1") = "6"
    & skf21("6","4","6","7","7","3","5","1") = "6"
    & skf21("6","4","6","7","7","3","6","1") = "6"
    & skf21("6","4","6","7","7","3","7","1") = "6"
    & skf21("6","4","6","7","7","4","1","1") = "6"
    & skf21("6","4","6","7","7","4","2","1") = "6"
    & skf21("6","4","6","7","7","4","3","1") = "6"
    & skf21("6","4","6","7","7","4","4","1") = "6"
    & skf21("6","4","6","7","7","4","5","1") = "6"
    & skf21("6","4","6","7","7","4","6","1") = "6"
    & skf21("6","4","6","7","7","4","7","1") = "6"
    & skf21("6","4","6","7","7","5","1","1") = "6"
    & skf21("6","4","6","7","7","5","2","1") = "6"
    & skf21("6","4","6","7","7","5","3","1") = "6"
    & skf21("6","4","6","7","7","5","4","1") = "6"
    & skf21("6","4","6","7","7","5","5","1") = "6"
    & skf21("6","4","6","7","7","5","6","1") = "6"
    & skf21("6","4","6","7","7","5","7","1") = "6"
    & skf21("6","4","6","7","7","6","1","1") = "6"
    & skf21("6","4","6","7","7","6","2","1") = "6"
    & skf21("6","4","6","7","7","6","3","1") = "6"
    & skf21("6","4","6","7","7","6","4","1") = "6"
    & skf21("6","4","6","7","7","6","5","1") = "6"
    & skf21("6","4","6","7","7","6","6","1") = "6"
    & skf21("6","4","6","7","7","6","7","1") = "6"
    & skf21("6","4","6","7","7","7","1","1") = "6"
    & skf21("6","4","6","7","7","7","2","1") = "6"
    & skf21("6","4","6","7","7","7","3","1") = "6"
    & skf21("6","4","6","7","7","7","4","1") = "6"
    & skf21("6","4","6","7","7","7","5","1") = "6"
    & skf21("6","4","6","7","7","7","6","1") = "6"
    & skf21("6","4","6","7","7","7","7","1") = "6"
    & skf21("6","4","7","1","1","1","1","1") = "6"
    & skf21("6","4","7","1","1","1","2","1") = "6"
    & skf21("6","4","7","1","1","1","3","1") = "6"
    & skf21("6","4","7","1","1","1","4","1") = "6"
    & skf21("6","4","7","1","1","1","5","1") = "6"
    & skf21("6","4","7","1","1","1","6","1") = "6"
    & skf21("6","4","7","1","1","1","7","1") = "6"
    & skf21("6","4","7","1","1","2","1","1") = "6"
    & skf21("6","4","7","1","1","2","2","1") = "6"
    & skf21("6","4","7","1","1","2","3","1") = "6"
    & skf21("6","4","7","1","1","2","4","1") = "6"
    & skf21("6","4","7","1","1","2","5","1") = "6"
    & skf21("6","4","7","1","1","2","6","1") = "6"
    & skf21("6","4","7","1","1","2","7","1") = "6"
    & skf21("6","4","7","1","1","3","1","1") = "6"
    & skf21("6","4","7","1","1","3","2","1") = "6"
    & skf21("6","4","7","1","1","3","3","1") = "6"
    & skf21("6","4","7","1","1","3","4","1") = "6"
    & skf21("6","4","7","1","1","3","5","1") = "6"
    & skf21("6","4","7","1","1","3","6","1") = "6"
    & skf21("6","4","7","1","1","3","7","1") = "6"
    & skf21("6","4","7","1","1","4","1","1") = "6"
    & skf21("6","4","7","1","1","4","2","1") = "6"
    & skf21("6","4","7","1","1","4","3","1") = "6"
    & skf21("6","4","7","1","1","4","4","1") = "6"
    & skf21("6","4","7","1","1","4","5","1") = "6"
    & skf21("6","4","7","1","1","4","6","1") = "6"
    & skf21("6","4","7","1","1","4","7","1") = "6"
    & skf21("6","4","7","1","1","5","1","1") = "6"
    & skf21("6","4","7","1","1","5","2","1") = "6"
    & skf21("6","4","7","1","1","5","3","1") = "6"
    & skf21("6","4","7","1","1","5","4","1") = "6"
    & skf21("6","4","7","1","1","5","5","1") = "6"
    & skf21("6","4","7","1","1","5","6","1") = "6"
    & skf21("6","4","7","1","1","5","7","1") = "6"
    & skf21("6","4","7","1","1","6","1","1") = "6"
    & skf21("6","4","7","1","1","6","2","1") = "6"
    & skf21("6","4","7","1","1","6","3","1") = "6"
    & skf21("6","4","7","1","1","6","4","1") = "6"
    & skf21("6","4","7","1","1","6","5","1") = "6"
    & skf21("6","4","7","1","1","6","6","1") = "6"
    & skf21("6","4","7","1","1","6","7","1") = "6"
    & skf21("6","4","7","1","1","7","1","1") = "6"
    & skf21("6","4","7","1","1","7","2","1") = "6"
    & skf21("6","4","7","1","1","7","3","1") = "6"
    & skf21("6","4","7","1","1","7","4","1") = "6"
    & skf21("6","4","7","1","1","7","5","1") = "6"
    & skf21("6","4","7","1","1","7","6","1") = "6"
    & skf21("6","4","7","1","1","7","7","1") = "6"
    & skf21("6","4","7","1","2","1","1","1") = "6"
    & skf21("6","4","7","1","2","1","2","1") = "6"
    & skf21("6","4","7","1","2","1","3","1") = "6"
    & skf21("6","4","7","1","2","1","4","1") = "6"
    & skf21("6","4","7","1","2","1","5","1") = "6"
    & skf21("6","4","7","1","2","1","6","1") = "6"
    & skf21("6","4","7","1","2","1","7","1") = "6"
    & skf21("6","4","7","1","2","2","1","1") = "6"
    & skf21("6","4","7","1","2","2","2","1") = "6"
    & skf21("6","4","7","1","2","2","3","1") = "6"
    & skf21("6","4","7","1","2","2","4","1") = "6"
    & skf21("6","4","7","1","2","2","5","1") = "6"
    & skf21("6","4","7","1","2","2","6","1") = "6"
    & skf21("6","4","7","1","2","2","7","1") = "6"
    & skf21("6","4","7","1","2","3","1","1") = "6"
    & skf21("6","4","7","1","2","3","2","1") = "6"
    & skf21("6","4","7","1","2","3","3","1") = "6"
    & skf21("6","4","7","1","2","3","4","1") = "6"
    & skf21("6","4","7","1","2","3","5","1") = "6"
    & skf21("6","4","7","1","2","3","6","1") = "6"
    & skf21("6","4","7","1","2","3","7","1") = "6"
    & skf21("6","4","7","1","2","4","1","1") = "6"
    & skf21("6","4","7","1","2","4","2","1") = "6"
    & skf21("6","4","7","1","2","4","3","1") = "6"
    & skf21("6","4","7","1","2","4","4","1") = "6"
    & skf21("6","4","7","1","2","4","5","1") = "6"
    & skf21("6","4","7","1","2","4","6","1") = "6"
    & skf21("6","4","7","1","2","4","7","1") = "6"
    & skf21("6","4","7","1","2","5","1","1") = "6"
    & skf21("6","4","7","1","2","5","2","1") = "6"
    & skf21("6","4","7","1","2","5","3","1") = "6"
    & skf21("6","4","7","1","2","5","4","1") = "6"
    & skf21("6","4","7","1","2","5","5","1") = "6"
    & skf21("6","4","7","1","2","5","6","1") = "6"
    & skf21("6","4","7","1","2","5","7","1") = "6"
    & skf21("6","4","7","1","2","6","1","1") = "6"
    & skf21("6","4","7","1","2","6","2","1") = "6"
    & skf21("6","4","7","1","2","6","3","1") = "6"
    & skf21("6","4","7","1","2","6","4","1") = "6"
    & skf21("6","4","7","1","2","6","5","1") = "6"
    & skf21("6","4","7","1","2","6","6","1") = "6"
    & skf21("6","4","7","1","2","6","7","1") = "6"
    & skf21("6","4","7","1","2","7","1","1") = "6"
    & skf21("6","4","7","1","2","7","2","1") = "6"
    & skf21("6","4","7","1","2","7","3","1") = "6"
    & skf21("6","4","7","1","2","7","4","1") = "6"
    & skf21("6","4","7","1","2","7","5","1") = "6"
    & skf21("6","4","7","1","2","7","6","1") = "6"
    & skf21("6","4","7","1","2","7","7","1") = "6"
    & skf21("6","4","7","1","3","1","1","1") = "6"
    & skf21("6","4","7","1","3","1","2","1") = "6"
    & skf21("6","4","7","1","3","1","3","1") = "6"
    & skf21("6","4","7","1","3","1","4","1") = "6"
    & skf21("6","4","7","1","3","1","5","1") = "6"
    & skf21("6","4","7","1","3","1","6","1") = "6"
    & skf21("6","4","7","1","3","1","7","1") = "6"
    & skf21("6","4","7","1","3","2","1","1") = "6"
    & skf21("6","4","7","1","3","2","2","1") = "6"
    & skf21("6","4","7","1","3","2","3","1") = "6"
    & skf21("6","4","7","1","3","2","4","1") = "6"
    & skf21("6","4","7","1","3","2","5","1") = "6"
    & skf21("6","4","7","1","3","2","6","1") = "6"
    & skf21("6","4","7","1","3","2","7","1") = "6"
    & skf21("6","4","7","1","3","3","1","1") = "6"
    & skf21("6","4","7","1","3","3","2","1") = "6"
    & skf21("6","4","7","1","3","3","3","1") = "6"
    & skf21("6","4","7","1","3","3","4","1") = "6"
    & skf21("6","4","7","1","3","3","5","1") = "6"
    & skf21("6","4","7","1","3","3","6","1") = "6"
    & skf21("6","4","7","1","3","3","7","1") = "6"
    & skf21("6","4","7","1","3","4","1","1") = "6"
    & skf21("6","4","7","1","3","4","2","1") = "6"
    & skf21("6","4","7","1","3","4","3","1") = "6"
    & skf21("6","4","7","1","3","4","4","1") = "6"
    & skf21("6","4","7","1","3","4","5","1") = "6"
    & skf21("6","4","7","1","3","4","6","1") = "6"
    & skf21("6","4","7","1","3","4","7","1") = "6"
    & skf21("6","4","7","1","3","5","1","1") = "6"
    & skf21("6","4","7","1","3","5","2","1") = "6"
    & skf21("6","4","7","1","3","5","3","1") = "6"
    & skf21("6","4","7","1","3","5","4","1") = "6"
    & skf21("6","4","7","1","3","5","5","1") = "6"
    & skf21("6","4","7","1","3","5","6","1") = "6"
    & skf21("6","4","7","1","3","5","7","1") = "6"
    & skf21("6","4","7","1","3","6","1","1") = "6"
    & skf21("6","4","7","1","3","6","2","1") = "6"
    & skf21("6","4","7","1","3","6","3","1") = "6"
    & skf21("6","4","7","1","3","6","4","1") = "6"
    & skf21("6","4","7","1","3","6","5","1") = "6"
    & skf21("6","4","7","1","3","6","6","1") = "6"
    & skf21("6","4","7","1","3","6","7","1") = "6"
    & skf21("6","4","7","1","3","7","1","1") = "6"
    & skf21("6","4","7","1","3","7","2","1") = "6"
    & skf21("6","4","7","1","3","7","3","1") = "6"
    & skf21("6","4","7","1","3","7","4","1") = "6"
    & skf21("6","4","7","1","3","7","5","1") = "6"
    & skf21("6","4","7","1","3","7","6","1") = "6"
    & skf21("6","4","7","1","3","7","7","1") = "6"
    & skf21("6","4","7","1","4","1","1","1") = "6"
    & skf21("6","4","7","1","4","1","2","1") = "6"
    & skf21("6","4","7","1","4","1","3","1") = "6"
    & skf21("6","4","7","1","4","1","4","1") = "6"
    & skf21("6","4","7","1","4","1","5","1") = "6"
    & skf21("6","4","7","1","4","1","6","1") = "6"
    & skf21("6","4","7","1","4","1","7","1") = "6"
    & skf21("6","4","7","1","4","2","1","1") = "6"
    & skf21("6","4","7","1","4","2","2","1") = "6"
    & skf21("6","4","7","1","4","2","3","1") = "6"
    & skf21("6","4","7","1","4","2","4","1") = "6"
    & skf21("6","4","7","1","4","2","5","1") = "6"
    & skf21("6","4","7","1","4","2","6","1") = "6"
    & skf21("6","4","7","1","4","2","7","1") = "6"
    & skf21("6","4","7","1","4","3","1","1") = "6"
    & skf21("6","4","7","1","4","3","2","1") = "6"
    & skf21("6","4","7","1","4","3","3","1") = "6"
    & skf21("6","4","7","1","4","3","4","1") = "6"
    & skf21("6","4","7","1","4","3","5","1") = "6"
    & skf21("6","4","7","1","4","3","6","1") = "6"
    & skf21("6","4","7","1","4","3","7","1") = "6"
    & skf21("6","4","7","1","4","4","1","1") = "6"
    & skf21("6","4","7","1","4","4","2","1") = "6"
    & skf21("6","4","7","1","4","4","3","1") = "6"
    & skf21("6","4","7","1","4","4","4","1") = "6"
    & skf21("6","4","7","1","4","4","5","1") = "6"
    & skf21("6","4","7","1","4","4","6","1") = "6"
    & skf21("6","4","7","1","4","4","7","1") = "6"
    & skf21("6","4","7","1","4","5","1","1") = "6"
    & skf21("6","4","7","1","4","5","2","1") = "6"
    & skf21("6","4","7","1","4","5","3","1") = "6"
    & skf21("6","4","7","1","4","5","4","1") = "6"
    & skf21("6","4","7","1","4","5","5","1") = "6"
    & skf21("6","4","7","1","4","5","6","1") = "6"
    & skf21("6","4","7","1","4","5","7","1") = "6"
    & skf21("6","4","7","1","4","6","1","1") = "6"
    & skf21("6","4","7","1","4","6","2","1") = "6"
    & skf21("6","4","7","1","4","6","3","1") = "6"
    & skf21("6","4","7","1","4","6","4","1") = "6"
    & skf21("6","4","7","1","4","6","5","1") = "6"
    & skf21("6","4","7","1","4","6","6","1") = "6"
    & skf21("6","4","7","1","4","6","7","1") = "6"
    & skf21("6","4","7","1","4","7","1","1") = "6"
    & skf21("6","4","7","1","4","7","2","1") = "6"
    & skf21("6","4","7","1","4","7","3","1") = "6"
    & skf21("6","4","7","1","4","7","4","1") = "6"
    & skf21("6","4","7","1","4","7","5","1") = "6"
    & skf21("6","4","7","1","4","7","6","1") = "6"
    & skf21("6","4","7","1","4","7","7","1") = "6"
    & skf21("6","4","7","1","5","1","1","1") = "6"
    & skf21("6","4","7","1","5","1","2","1") = "6"
    & skf21("6","4","7","1","5","1","3","1") = "6"
    & skf21("6","4","7","1","5","1","4","1") = "6"
    & skf21("6","4","7","1","5","1","5","1") = "6"
    & skf21("6","4","7","1","5","1","6","1") = "6"
    & skf21("6","4","7","1","5","1","7","1") = "6"
    & skf21("6","4","7","1","5","2","1","1") = "6"
    & skf21("6","4","7","1","5","2","2","1") = "6"
    & skf21("6","4","7","1","5","2","3","1") = "6"
    & skf21("6","4","7","1","5","2","4","1") = "6"
    & skf21("6","4","7","1","5","2","5","1") = "6"
    & skf21("6","4","7","1","5","2","6","1") = "6"
    & skf21("6","4","7","1","5","2","7","1") = "6"
    & skf21("6","4","7","1","5","3","1","1") = "6"
    & skf21("6","4","7","1","5","3","2","1") = "6"
    & skf21("6","4","7","1","5","3","3","1") = "6"
    & skf21("6","4","7","1","5","3","4","1") = "6"
    & skf21("6","4","7","1","5","3","5","1") = "6"
    & skf21("6","4","7","1","5","3","6","1") = "6"
    & skf21("6","4","7","1","5","3","7","1") = "6"
    & skf21("6","4","7","1","5","4","1","1") = "6"
    & skf21("6","4","7","1","5","4","2","1") = "6"
    & skf21("6","4","7","1","5","4","3","1") = "6"
    & skf21("6","4","7","1","5","4","4","1") = "6"
    & skf21("6","4","7","1","5","4","5","1") = "6"
    & skf21("6","4","7","1","5","4","6","1") = "6"
    & skf21("6","4","7","1","5","4","7","1") = "6"
    & skf21("6","4","7","1","5","5","1","1") = "6"
    & skf21("6","4","7","1","5","5","2","1") = "6"
    & skf21("6","4","7","1","5","5","3","1") = "6"
    & skf21("6","4","7","1","5","5","4","1") = "6"
    & skf21("6","4","7","1","5","5","5","1") = "6"
    & skf21("6","4","7","1","5","5","6","1") = "6"
    & skf21("6","4","7","1","5","5","7","1") = "6"
    & skf21("6","4","7","1","5","6","1","1") = "6"
    & skf21("6","4","7","1","5","6","2","1") = "6"
    & skf21("6","4","7","1","5","6","3","1") = "6"
    & skf21("6","4","7","1","5","6","4","1") = "6"
    & skf21("6","4","7","1","5","6","5","1") = "6"
    & skf21("6","4","7","1","5","6","6","1") = "6"
    & skf21("6","4","7","1","5","6","7","1") = "6"
    & skf21("6","4","7","1","5","7","1","1") = "6"
    & skf21("6","4","7","1","5","7","2","1") = "6"
    & skf21("6","4","7","1","5","7","3","1") = "6"
    & skf21("6","4","7","1","5","7","4","1") = "6"
    & skf21("6","4","7","1","5","7","5","1") = "6"
    & skf21("6","4","7","1","5","7","6","1") = "6"
    & skf21("6","4","7","1","5","7","7","1") = "6"
    & skf21("6","4","7","1","6","1","1","1") = "6"
    & skf21("6","4","7","1","6","1","2","1") = "6"
    & skf21("6","4","7","1","6","1","3","1") = "6"
    & skf21("6","4","7","1","6","1","4","1") = "6"
    & skf21("6","4","7","1","6","1","5","1") = "6"
    & skf21("6","4","7","1","6","1","6","1") = "6"
    & skf21("6","4","7","1","6","1","7","1") = "6"
    & skf21("6","4","7","1","6","2","1","1") = "6"
    & skf21("6","4","7","1","6","2","2","1") = "6"
    & skf21("6","4","7","1","6","2","3","1") = "6"
    & skf21("6","4","7","1","6","2","4","1") = "6"
    & skf21("6","4","7","1","6","2","5","1") = "6"
    & skf21("6","4","7","1","6","2","6","1") = "6"
    & skf21("6","4","7","1","6","2","7","1") = "6"
    & skf21("6","4","7","1","6","3","1","1") = "6"
    & skf21("6","4","7","1","6","3","2","1") = "6"
    & skf21("6","4","7","1","6","3","3","1") = "6"
    & skf21("6","4","7","1","6","3","4","1") = "6"
    & skf21("6","4","7","1","6","3","5","1") = "6"
    & skf21("6","4","7","1","6","3","6","1") = "6"
    & skf21("6","4","7","1","6","3","7","1") = "6"
    & skf21("6","4","7","1","6","4","1","1") = "6"
    & skf21("6","4","7","1","6","4","2","1") = "6"
    & skf21("6","4","7","1","6","4","3","1") = "6"
    & skf21("6","4","7","1","6","4","4","1") = "6"
    & skf21("6","4","7","1","6","4","5","1") = "6"
    & skf21("6","4","7","1","6","4","6","1") = "6"
    & skf21("6","4","7","1","6","4","7","1") = "6"
    & skf21("6","4","7","1","6","5","1","1") = "6"
    & skf21("6","4","7","1","6","5","2","1") = "6"
    & skf21("6","4","7","1","6","5","3","1") = "6"
    & skf21("6","4","7","1","6","5","4","1") = "6"
    & skf21("6","4","7","1","6","5","5","1") = "6"
    & skf21("6","4","7","1","6","5","6","1") = "6"
    & skf21("6","4","7","1","6","5","7","1") = "6"
    & skf21("6","4","7","1","6","6","1","1") = "6"
    & skf21("6","4","7","1","6","6","2","1") = "6"
    & skf21("6","4","7","1","6","6","3","1") = "6"
    & skf21("6","4","7","1","6","6","4","1") = "6"
    & skf21("6","4","7","1","6","6","5","1") = "6"
    & skf21("6","4","7","1","6","6","6","1") = "6"
    & skf21("6","4","7","1","6","6","7","1") = "6"
    & skf21("6","4","7","1","6","7","1","1") = "6"
    & skf21("6","4","7","1","6","7","2","1") = "6"
    & skf21("6","4","7","1","6","7","3","1") = "6"
    & skf21("6","4","7","1","6","7","4","1") = "6"
    & skf21("6","4","7","1","6","7","5","1") = "6"
    & skf21("6","4","7","1","6","7","6","1") = "6"
    & skf21("6","4","7","1","6","7","7","1") = "6"
    & skf21("6","4","7","1","7","1","1","1") = "6"
    & skf21("6","4","7","1","7","1","2","1") = "6"
    & skf21("6","4","7","1","7","1","3","1") = "6"
    & skf21("6","4","7","1","7","1","4","1") = "6"
    & skf21("6","4","7","1","7","1","5","1") = "6"
    & skf21("6","4","7","1","7","1","6","1") = "6"
    & skf21("6","4","7","1","7","1","7","1") = "6"
    & skf21("6","4","7","1","7","2","1","1") = "6"
    & skf21("6","4","7","1","7","2","2","1") = "6"
    & skf21("6","4","7","1","7","2","3","1") = "6"
    & skf21("6","4","7","1","7","2","4","1") = "6"
    & skf21("6","4","7","1","7","2","5","1") = "6"
    & skf21("6","4","7","1","7","2","6","1") = "6"
    & skf21("6","4","7","1","7","2","7","1") = "6"
    & skf21("6","4","7","1","7","3","1","1") = "6"
    & skf21("6","4","7","1","7","3","2","1") = "6"
    & skf21("6","4","7","1","7","3","3","1") = "6"
    & skf21("6","4","7","1","7","3","4","1") = "6"
    & skf21("6","4","7","1","7","3","5","1") = "6"
    & skf21("6","4","7","1","7","3","6","1") = "6"
    & skf21("6","4","7","1","7","3","7","1") = "6"
    & skf21("6","4","7","1","7","4","1","1") = "6"
    & skf21("6","4","7","1","7","4","2","1") = "6"
    & skf21("6","4","7","1","7","4","3","1") = "6"
    & skf21("6","4","7","1","7","4","4","1") = "6"
    & skf21("6","4","7","1","7","4","5","1") = "6"
    & skf21("6","4","7","1","7","4","6","1") = "6"
    & skf21("6","4","7","1","7","4","7","1") = "6"
    & skf21("6","4","7","1","7","5","1","1") = "6"
    & skf21("6","4","7","1","7","5","2","1") = "6"
    & skf21("6","4","7","1","7","5","3","1") = "6"
    & skf21("6","4","7","1","7","5","4","1") = "6"
    & skf21("6","4","7","1","7","5","5","1") = "6"
    & skf21("6","4","7","1","7","5","6","1") = "6"
    & skf21("6","4","7","1","7","5","7","1") = "6"
    & skf21("6","4","7","1","7","6","1","1") = "6"
    & skf21("6","4","7","1","7","6","2","1") = "6"
    & skf21("6","4","7","1","7","6","3","1") = "6"
    & skf21("6","4","7","1","7","6","4","1") = "6"
    & skf21("6","4","7","1","7","6","5","1") = "6"
    & skf21("6","4","7","1","7","6","6","1") = "6"
    & skf21("6","4","7","1","7","6","7","1") = "6"
    & skf21("6","4","7","1","7","7","1","1") = "6"
    & skf21("6","4","7","1","7","7","2","1") = "6"
    & skf21("6","4","7","1","7","7","3","1") = "6"
    & skf21("6","4","7","1","7","7","4","1") = "6"
    & skf21("6","4","7","1","7","7","5","1") = "6"
    & skf21("6","4","7","1","7","7","6","1") = "6"
    & skf21("6","4","7","1","7","7","7","1") = "6"
    & skf21("6","4","7","2","1","1","1","1") = "6"
    & skf21("6","4","7","2","1","1","2","1") = "6"
    & skf21("6","4","7","2","1","1","3","1") = "6"
    & skf21("6","4","7","2","1","1","4","1") = "6"
    & skf21("6","4","7","2","1","1","5","1") = "6"
    & skf21("6","4","7","2","1","1","6","1") = "6"
    & skf21("6","4","7","2","1","1","7","1") = "6"
    & skf21("6","4","7","2","1","2","1","1") = "6"
    & skf21("6","4","7","2","1","2","2","1") = "6"
    & skf21("6","4","7","2","1","2","3","1") = "6"
    & skf21("6","4","7","2","1","2","4","1") = "6"
    & skf21("6","4","7","2","1","2","5","1") = "6"
    & skf21("6","4","7","2","1","2","6","1") = "6"
    & skf21("6","4","7","2","1","2","7","1") = "6"
    & skf21("6","4","7","2","1","3","1","1") = "6"
    & skf21("6","4","7","2","1","3","2","1") = "6"
    & skf21("6","4","7","2","1","3","3","1") = "6"
    & skf21("6","4","7","2","1","3","4","1") = "6"
    & skf21("6","4","7","2","1","3","5","1") = "6"
    & skf21("6","4","7","2","1","3","6","1") = "6"
    & skf21("6","4","7","2","1","3","7","1") = "6"
    & skf21("6","4","7","2","1","4","1","1") = "6"
    & skf21("6","4","7","2","1","4","2","1") = "6"
    & skf21("6","4","7","2","1","4","3","1") = "6"
    & skf21("6","4","7","2","1","4","4","1") = "6"
    & skf21("6","4","7","2","1","4","5","1") = "6"
    & skf21("6","4","7","2","1","4","6","1") = "6"
    & skf21("6","4","7","2","1","4","7","1") = "6"
    & skf21("6","4","7","2","1","5","1","1") = "6"
    & skf21("6","4","7","2","1","5","2","1") = "6"
    & skf21("6","4","7","2","1","5","3","1") = "6"
    & skf21("6","4","7","2","1","5","4","1") = "6"
    & skf21("6","4","7","2","1","5","5","1") = "6"
    & skf21("6","4","7","2","1","5","6","1") = "6"
    & skf21("6","4","7","2","1","5","7","1") = "6"
    & skf21("6","4","7","2","1","6","1","1") = "6"
    & skf21("6","4","7","2","1","6","2","1") = "6"
    & skf21("6","4","7","2","1","6","3","1") = "6"
    & skf21("6","4","7","2","1","6","4","1") = "6"
    & skf21("6","4","7","2","1","6","5","1") = "6"
    & skf21("6","4","7","2","1","6","6","1") = "6"
    & skf21("6","4","7","2","1","6","7","1") = "6"
    & skf21("6","4","7","2","1","7","1","1") = "6"
    & skf21("6","4","7","2","1","7","2","1") = "6"
    & skf21("6","4","7","2","1","7","3","1") = "6"
    & skf21("6","4","7","2","1","7","4","1") = "6"
    & skf21("6","4","7","2","1","7","5","1") = "6"
    & skf21("6","4","7","2","1","7","6","1") = "6"
    & skf21("6","4","7","2","1","7","7","1") = "6"
    & skf21("6","4","7","2","2","1","1","1") = "6"
    & skf21("6","4","7","2","2","1","2","1") = "6"
    & skf21("6","4","7","2","2","1","3","1") = "6"
    & skf21("6","4","7","2","2","1","4","1") = "6"
    & skf21("6","4","7","2","2","1","5","1") = "6"
    & skf21("6","4","7","2","2","1","6","1") = "6"
    & skf21("6","4","7","2","2","1","7","1") = "6"
    & skf21("6","4","7","2","2","2","1","1") = "6"
    & skf21("6","4","7","2","2","2","2","1") = "6"
    & skf21("6","4","7","2","2","2","3","1") = "6"
    & skf21("6","4","7","2","2","2","4","1") = "6"
    & skf21("6","4","7","2","2","2","5","1") = "6"
    & skf21("6","4","7","2","2","2","6","1") = "6"
    & skf21("6","4","7","2","2","2","7","1") = "6"
    & skf21("6","4","7","2","2","3","1","1") = "6"
    & skf21("6","4","7","2","2","3","2","1") = "6"
    & skf21("6","4","7","2","2","3","3","1") = "6"
    & skf21("6","4","7","2","2","3","4","1") = "6"
    & skf21("6","4","7","2","2","3","5","1") = "6"
    & skf21("6","4","7","2","2","3","6","1") = "6"
    & skf21("6","4","7","2","2","3","7","1") = "6"
    & skf21("6","4","7","2","2","4","1","1") = "6"
    & skf21("6","4","7","2","2","4","2","1") = "6"
    & skf21("6","4","7","2","2","4","3","1") = "6"
    & skf21("6","4","7","2","2","4","4","1") = "6"
    & skf21("6","4","7","2","2","4","5","1") = "6"
    & skf21("6","4","7","2","2","4","6","1") = "6"
    & skf21("6","4","7","2","2","4","7","1") = "6"
    & skf21("6","4","7","2","2","5","1","1") = "6"
    & skf21("6","4","7","2","2","5","2","1") = "6"
    & skf21("6","4","7","2","2","5","3","1") = "6"
    & skf21("6","4","7","2","2","5","4","1") = "6"
    & skf21("6","4","7","2","2","5","5","1") = "6"
    & skf21("6","4","7","2","2","5","6","1") = "6"
    & skf21("6","4","7","2","2","5","7","1") = "6"
    & skf21("6","4","7","2","2","6","1","1") = "6"
    & skf21("6","4","7","2","2","6","2","1") = "6"
    & skf21("6","4","7","2","2","6","3","1") = "6"
    & skf21("6","4","7","2","2","6","4","1") = "6"
    & skf21("6","4","7","2","2","6","5","1") = "6"
    & skf21("6","4","7","2","2","6","6","1") = "6"
    & skf21("6","4","7","2","2","6","7","1") = "6"
    & skf21("6","4","7","2","2","7","1","1") = "6"
    & skf21("6","4","7","2","2","7","2","1") = "6"
    & skf21("6","4","7","2","2","7","3","1") = "6"
    & skf21("6","4","7","2","2","7","4","1") = "6"
    & skf21("6","4","7","2","2","7","5","1") = "6"
    & skf21("6","4","7","2","2","7","6","1") = "6"
    & skf21("6","4","7","2","2","7","7","1") = "6"
    & skf21("6","4","7","2","3","1","1","1") = "6"
    & skf21("6","4","7","2","3","1","2","1") = "6"
    & skf21("6","4","7","2","3","1","3","1") = "6"
    & skf21("6","4","7","2","3","1","4","1") = "6"
    & skf21("6","4","7","2","3","1","5","1") = "6"
    & skf21("6","4","7","2","3","1","6","1") = "6"
    & skf21("6","4","7","2","3","1","7","1") = "6"
    & skf21("6","4","7","2","3","2","1","1") = "6"
    & skf21("6","4","7","2","3","2","2","1") = "6"
    & skf21("6","4","7","2","3","2","3","1") = "6"
    & skf21("6","4","7","2","3","2","4","1") = "6"
    & skf21("6","4","7","2","3","2","5","1") = "6"
    & skf21("6","4","7","2","3","2","6","1") = "6"
    & skf21("6","4","7","2","3","2","7","1") = "6"
    & skf21("6","4","7","2","3","3","1","1") = "6"
    & skf21("6","4","7","2","3","3","2","1") = "6"
    & skf21("6","4","7","2","3","3","3","1") = "6"
    & skf21("6","4","7","2","3","3","4","1") = "6"
    & skf21("6","4","7","2","3","3","5","1") = "6"
    & skf21("6","4","7","2","3","3","6","1") = "6"
    & skf21("6","4","7","2","3","3","7","1") = "6"
    & skf21("6","4","7","2","3","4","1","1") = "6"
    & skf21("6","4","7","2","3","4","2","1") = "6"
    & skf21("6","4","7","2","3","4","3","1") = "6"
    & skf21("6","4","7","2","3","4","4","1") = "6"
    & skf21("6","4","7","2","3","4","5","1") = "6"
    & skf21("6","4","7","2","3","4","6","1") = "6"
    & skf21("6","4","7","2","3","4","7","1") = "6"
    & skf21("6","4","7","2","3","5","1","1") = "6"
    & skf21("6","4","7","2","3","5","2","1") = "6"
    & skf21("6","4","7","2","3","5","3","1") = "6"
    & skf21("6","4","7","2","3","5","4","1") = "6"
    & skf21("6","4","7","2","3","5","5","1") = "6"
    & skf21("6","4","7","2","3","5","6","1") = "6"
    & skf21("6","4","7","2","3","5","7","1") = "6"
    & skf21("6","4","7","2","3","6","1","1") = "6"
    & skf21("6","4","7","2","3","6","2","1") = "6"
    & skf21("6","4","7","2","3","6","3","1") = "6"
    & skf21("6","4","7","2","3","6","4","1") = "6"
    & skf21("6","4","7","2","3","6","5","1") = "6"
    & skf21("6","4","7","2","3","6","6","1") = "6"
    & skf21("6","4","7","2","3","6","7","1") = "6"
    & skf21("6","4","7","2","3","7","1","1") = "6"
    & skf21("6","4","7","2","3","7","2","1") = "6"
    & skf21("6","4","7","2","3","7","3","1") = "6"
    & skf21("6","4","7","2","3","7","4","1") = "6"
    & skf21("6","4","7","2","3","7","5","1") = "6"
    & skf21("6","4","7","2","3","7","6","1") = "6"
    & skf21("6","4","7","2","3","7","7","1") = "6"
    & skf21("6","4","7","2","4","1","1","1") = "6"
    & skf21("6","4","7","2","4","1","2","1") = "6"
    & skf21("6","4","7","2","4","1","3","1") = "6"
    & skf21("6","4","7","2","4","1","4","1") = "6"
    & skf21("6","4","7","2","4","1","5","1") = "6"
    & skf21("6","4","7","2","4","1","6","1") = "6"
    & skf21("6","4","7","2","4","1","7","1") = "6"
    & skf21("6","4","7","2","4","2","1","1") = "6"
    & skf21("6","4","7","2","4","2","2","1") = "6"
    & skf21("6","4","7","2","4","2","3","1") = "6"
    & skf21("6","4","7","2","4","2","4","1") = "6"
    & skf21("6","4","7","2","4","2","5","1") = "6"
    & skf21("6","4","7","2","4","2","6","1") = "6"
    & skf21("6","4","7","2","4","2","7","1") = "6"
    & skf21("6","4","7","2","4","3","1","1") = "6"
    & skf21("6","4","7","2","4","3","2","1") = "6"
    & skf21("6","4","7","2","4","3","3","1") = "6"
    & skf21("6","4","7","2","4","3","4","1") = "6"
    & skf21("6","4","7","2","4","3","5","1") = "6"
    & skf21("6","4","7","2","4","3","6","1") = "6"
    & skf21("6","4","7","2","4","3","7","1") = "6"
    & skf21("6","4","7","2","4","4","1","1") = "6"
    & skf21("6","4","7","2","4","4","2","1") = "6"
    & skf21("6","4","7","2","4","4","3","1") = "6"
    & skf21("6","4","7","2","4","4","4","1") = "6"
    & skf21("6","4","7","2","4","4","5","1") = "6"
    & skf21("6","4","7","2","4","4","6","1") = "6"
    & skf21("6","4","7","2","4","4","7","1") = "6"
    & skf21("6","4","7","2","4","5","1","1") = "6"
    & skf21("6","4","7","2","4","5","2","1") = "6"
    & skf21("6","4","7","2","4","5","3","1") = "6"
    & skf21("6","4","7","2","4","5","4","1") = "6"
    & skf21("6","4","7","2","4","5","5","1") = "6"
    & skf21("6","4","7","2","4","5","6","1") = "6"
    & skf21("6","4","7","2","4","5","7","1") = "6"
    & skf21("6","4","7","2","4","6","1","1") = "6"
    & skf21("6","4","7","2","4","6","2","1") = "6"
    & skf21("6","4","7","2","4","6","3","1") = "6"
    & skf21("6","4","7","2","4","6","4","1") = "6"
    & skf21("6","4","7","2","4","6","5","1") = "6"
    & skf21("6","4","7","2","4","6","6","1") = "6"
    & skf21("6","4","7","2","4","6","7","1") = "6"
    & skf21("6","4","7","2","4","7","1","1") = "6"
    & skf21("6","4","7","2","4","7","2","1") = "6"
    & skf21("6","4","7","2","4","7","3","1") = "6"
    & skf21("6","4","7","2","4","7","4","1") = "6"
    & skf21("6","4","7","2","4","7","5","1") = "6"
    & skf21("6","4","7","2","4","7","6","1") = "6"
    & skf21("6","4","7","2","4","7","7","1") = "6"
    & skf21("6","4","7","2","5","1","1","1") = "6"
    & skf21("6","4","7","2","5","1","2","1") = "6"
    & skf21("6","4","7","2","5","1","3","1") = "6"
    & skf21("6","4","7","2","5","1","4","1") = "6"
    & skf21("6","4","7","2","5","1","5","1") = "6"
    & skf21("6","4","7","2","5","1","6","1") = "6"
    & skf21("6","4","7","2","5","1","7","1") = "6"
    & skf21("6","4","7","2","5","2","1","1") = "6"
    & skf21("6","4","7","2","5","2","2","1") = "6"
    & skf21("6","4","7","2","5","2","3","1") = "6"
    & skf21("6","4","7","2","5","2","4","1") = "6"
    & skf21("6","4","7","2","5","2","5","1") = "6"
    & skf21("6","4","7","2","5","2","6","1") = "6"
    & skf21("6","4","7","2","5","2","7","1") = "6"
    & skf21("6","4","7","2","5","3","1","1") = "6"
    & skf21("6","4","7","2","5","3","2","1") = "6"
    & skf21("6","4","7","2","5","3","3","1") = "6"
    & skf21("6","4","7","2","5","3","4","1") = "6"
    & skf21("6","4","7","2","5","3","5","1") = "6"
    & skf21("6","4","7","2","5","3","6","1") = "6"
    & skf21("6","4","7","2","5","3","7","1") = "6"
    & skf21("6","4","7","2","5","4","1","1") = "6"
    & skf21("6","4","7","2","5","4","2","1") = "6"
    & skf21("6","4","7","2","5","4","3","1") = "6"
    & skf21("6","4","7","2","5","4","4","1") = "6"
    & skf21("6","4","7","2","5","4","5","1") = "6"
    & skf21("6","4","7","2","5","4","6","1") = "6"
    & skf21("6","4","7","2","5","4","7","1") = "6"
    & skf21("6","4","7","2","5","5","1","1") = "6"
    & skf21("6","4","7","2","5","5","2","1") = "6"
    & skf21("6","4","7","2","5","5","3","1") = "6"
    & skf21("6","4","7","2","5","5","4","1") = "6"
    & skf21("6","4","7","2","5","5","5","1") = "6"
    & skf21("6","4","7","2","5","5","6","1") = "6"
    & skf21("6","4","7","2","5","5","7","1") = "6"
    & skf21("6","4","7","2","5","6","1","1") = "6"
    & skf21("6","4","7","2","5","6","2","1") = "6"
    & skf21("6","4","7","2","5","6","3","1") = "6"
    & skf21("6","4","7","2","5","6","4","1") = "6"
    & skf21("6","4","7","2","5","6","5","1") = "6"
    & skf21("6","4","7","2","5","6","6","1") = "6"
    & skf21("6","4","7","2","5","6","7","1") = "6"
    & skf21("6","4","7","2","5","7","1","1") = "6"
    & skf21("6","4","7","2","5","7","2","1") = "6"
    & skf21("6","4","7","2","5","7","3","1") = "6"
    & skf21("6","4","7","2","5","7","4","1") = "6"
    & skf21("6","4","7","2","5","7","5","1") = "6"
    & skf21("6","4","7","2","5","7","6","1") = "6"
    & skf21("6","4","7","2","5","7","7","1") = "6"
    & skf21("6","4","7","2","6","1","1","1") = "6"
    & skf21("6","4","7","2","6","1","2","1") = "6"
    & skf21("6","4","7","2","6","1","3","1") = "6"
    & skf21("6","4","7","2","6","1","4","1") = "6"
    & skf21("6","4","7","2","6","1","5","1") = "6"
    & skf21("6","4","7","2","6","1","6","1") = "6"
    & skf21("6","4","7","2","6","1","7","1") = "6"
    & skf21("6","4","7","2","6","2","1","1") = "6"
    & skf21("6","4","7","2","6","2","2","1") = "6"
    & skf21("6","4","7","2","6","2","3","1") = "6"
    & skf21("6","4","7","2","6","2","4","1") = "6"
    & skf21("6","4","7","2","6","2","5","1") = "6"
    & skf21("6","4","7","2","6","2","6","1") = "6"
    & skf21("6","4","7","2","6","2","7","1") = "6"
    & skf21("6","4","7","2","6","3","1","1") = "6"
    & skf21("6","4","7","2","6","3","2","1") = "6"
    & skf21("6","4","7","2","6","3","3","1") = "6"
    & skf21("6","4","7","2","6","3","4","1") = "6"
    & skf21("6","4","7","2","6","3","5","1") = "6"
    & skf21("6","4","7","2","6","3","6","1") = "6"
    & skf21("6","4","7","2","6","3","7","1") = "6"
    & skf21("6","4","7","2","6","4","1","1") = "6"
    & skf21("6","4","7","2","6","4","2","1") = "6"
    & skf21("6","4","7","2","6","4","3","1") = "6"
    & skf21("6","4","7","2","6","4","4","1") = "6"
    & skf21("6","4","7","2","6","4","5","1") = "6"
    & skf21("6","4","7","2","6","4","6","1") = "6"
    & skf21("6","4","7","2","6","4","7","1") = "6"
    & skf21("6","4","7","2","6","5","1","1") = "6"
    & skf21("6","4","7","2","6","5","2","1") = "6"
    & skf21("6","4","7","2","6","5","3","1") = "6"
    & skf21("6","4","7","2","6","5","4","1") = "6"
    & skf21("6","4","7","2","6","5","5","1") = "6"
    & skf21("6","4","7","2","6","5","6","1") = "6"
    & skf21("6","4","7","2","6","5","7","1") = "6"
    & skf21("6","4","7","2","6","6","1","1") = "6"
    & skf21("6","4","7","2","6","6","2","1") = "6"
    & skf21("6","4","7","2","6","6","3","1") = "6"
    & skf21("6","4","7","2","6","6","4","1") = "6"
    & skf21("6","4","7","2","6","6","5","1") = "6"
    & skf21("6","4","7","2","6","6","6","1") = "6"
    & skf21("6","4","7","2","6","6","7","1") = "6"
    & skf21("6","4","7","2","6","7","1","1") = "6"
    & skf21("6","4","7","2","6","7","2","1") = "6"
    & skf21("6","4","7","2","6","7","3","1") = "6"
    & skf21("6","4","7","2","6","7","4","1") = "6"
    & skf21("6","4","7","2","6","7","5","1") = "6"
    & skf21("6","4","7","2","6","7","6","1") = "6"
    & skf21("6","4","7","2","6","7","7","1") = "6"
    & skf21("6","4","7","2","7","1","1","1") = "6"
    & skf21("6","4","7","2","7","1","2","1") = "6"
    & skf21("6","4","7","2","7","1","3","1") = "6"
    & skf21("6","4","7","2","7","1","4","1") = "6"
    & skf21("6","4","7","2","7","1","5","1") = "6"
    & skf21("6","4","7","2","7","1","6","1") = "6"
    & skf21("6","4","7","2","7","1","7","1") = "6"
    & skf21("6","4","7","2","7","2","1","1") = "6"
    & skf21("6","4","7","2","7","2","2","1") = "6"
    & skf21("6","4","7","2","7","2","3","1") = "6"
    & skf21("6","4","7","2","7","2","4","1") = "6"
    & skf21("6","4","7","2","7","2","5","1") = "6"
    & skf21("6","4","7","2","7","2","6","1") = "6"
    & skf21("6","4","7","2","7","2","7","1") = "6"
    & skf21("6","4","7","2","7","3","1","1") = "6"
    & skf21("6","4","7","2","7","3","2","1") = "6"
    & skf21("6","4","7","2","7","3","3","1") = "6"
    & skf21("6","4","7","2","7","3","4","1") = "6"
    & skf21("6","4","7","2","7","3","5","1") = "6"
    & skf21("6","4","7","2","7","3","6","1") = "6"
    & skf21("6","4","7","2","7","3","7","1") = "6"
    & skf21("6","4","7","2","7","4","1","1") = "6"
    & skf21("6","4","7","2","7","4","2","1") = "6"
    & skf21("6","4","7","2","7","4","3","1") = "6"
    & skf21("6","4","7","2","7","4","4","1") = "6"
    & skf21("6","4","7","2","7","4","5","1") = "6"
    & skf21("6","4","7","2","7","4","6","1") = "6"
    & skf21("6","4","7","2","7","4","7","1") = "6"
    & skf21("6","4","7","2","7","5","1","1") = "6"
    & skf21("6","4","7","2","7","5","2","1") = "6"
    & skf21("6","4","7","2","7","5","3","1") = "6"
    & skf21("6","4","7","2","7","5","4","1") = "6"
    & skf21("6","4","7","2","7","5","5","1") = "6"
    & skf21("6","4","7","2","7","5","6","1") = "6"
    & skf21("6","4","7","2","7","5","7","1") = "6"
    & skf21("6","4","7","2","7","6","1","1") = "6"
    & skf21("6","4","7","2","7","6","2","1") = "6"
    & skf21("6","4","7","2","7","6","3","1") = "6"
    & skf21("6","4","7","2","7","6","4","1") = "6"
    & skf21("6","4","7","2","7","6","5","1") = "6"
    & skf21("6","4","7","2","7","6","6","1") = "6"
    & skf21("6","4","7","2","7","6","7","1") = "6"
    & skf21("6","4","7","2","7","7","1","1") = "6"
    & skf21("6","4","7","2","7","7","2","1") = "6"
    & skf21("6","4","7","2","7","7","3","1") = "6"
    & skf21("6","4","7","2","7","7","4","1") = "6"
    & skf21("6","4","7","2","7","7","5","1") = "6"
    & skf21("6","4","7","2","7","7","6","1") = "6"
    & skf21("6","4","7","2","7","7","7","1") = "6"
    & skf21("6","4","7","3","1","1","1","1") = "6"
    & skf21("6","4","7","3","1","1","2","1") = "6"
    & skf21("6","4","7","3","1","1","3","1") = "6"
    & skf21("6","4","7","3","1","1","4","1") = "6"
    & skf21("6","4","7","3","1","1","5","1") = "6"
    & skf21("6","4","7","3","1","1","6","1") = "6"
    & skf21("6","4","7","3","1","1","7","1") = "6"
    & skf21("6","4","7","3","1","2","1","1") = "6"
    & skf21("6","4","7","3","1","2","2","1") = "6"
    & skf21("6","4","7","3","1","2","3","1") = "6"
    & skf21("6","4","7","3","1","2","4","1") = "6"
    & skf21("6","4","7","3","1","2","5","1") = "6"
    & skf21("6","4","7","3","1","2","6","1") = "6"
    & skf21("6","4","7","3","1","2","7","1") = "6"
    & skf21("6","4","7","3","1","3","1","1") = "6"
    & skf21("6","4","7","3","1","3","2","1") = "6"
    & skf21("6","4","7","3","1","3","3","1") = "6"
    & skf21("6","4","7","3","1","3","4","1") = "6"
    & skf21("6","4","7","3","1","3","5","1") = "6"
    & skf21("6","4","7","3","1","3","6","1") = "6"
    & skf21("6","4","7","3","1","3","7","1") = "6"
    & skf21("6","4","7","3","1","4","1","1") = "6"
    & skf21("6","4","7","3","1","4","2","1") = "6"
    & skf21("6","4","7","3","1","4","3","1") = "6"
    & skf21("6","4","7","3","1","4","4","1") = "6"
    & skf21("6","4","7","3","1","4","5","1") = "6"
    & skf21("6","4","7","3","1","4","6","1") = "6"
    & skf21("6","4","7","3","1","4","7","1") = "6"
    & skf21("6","4","7","3","1","5","1","1") = "6"
    & skf21("6","4","7","3","1","5","2","1") = "6"
    & skf21("6","4","7","3","1","5","3","1") = "6"
    & skf21("6","4","7","3","1","5","4","1") = "6"
    & skf21("6","4","7","3","1","5","5","1") = "6"
    & skf21("6","4","7","3","1","5","6","1") = "6"
    & skf21("6","4","7","3","1","5","7","1") = "6"
    & skf21("6","4","7","3","1","6","1","1") = "6"
    & skf21("6","4","7","3","1","6","2","1") = "6"
    & skf21("6","4","7","3","1","6","3","1") = "6"
    & skf21("6","4","7","3","1","6","4","1") = "6"
    & skf21("6","4","7","3","1","6","5","1") = "6"
    & skf21("6","4","7","3","1","6","6","1") = "6"
    & skf21("6","4","7","3","1","6","7","1") = "6"
    & skf21("6","4","7","3","1","7","1","1") = "6"
    & skf21("6","4","7","3","1","7","2","1") = "6"
    & skf21("6","4","7","3","1","7","3","1") = "6"
    & skf21("6","4","7","3","1","7","4","1") = "6"
    & skf21("6","4","7","3","1","7","5","1") = "6"
    & skf21("6","4","7","3","1","7","6","1") = "6"
    & skf21("6","4","7","3","1","7","7","1") = "6"
    & skf21("6","4","7","3","2","1","1","1") = "6"
    & skf21("6","4","7","3","2","1","2","1") = "6"
    & skf21("6","4","7","3","2","1","3","1") = "6"
    & skf21("6","4","7","3","2","1","4","1") = "6"
    & skf21("6","4","7","3","2","1","5","1") = "6"
    & skf21("6","4","7","3","2","1","6","1") = "6"
    & skf21("6","4","7","3","2","1","7","1") = "6"
    & skf21("6","4","7","3","2","2","1","1") = "6"
    & skf21("6","4","7","3","2","2","2","1") = "6"
    & skf21("6","4","7","3","2","2","3","1") = "6"
    & skf21("6","4","7","3","2","2","4","1") = "6"
    & skf21("6","4","7","3","2","2","5","1") = "6"
    & skf21("6","4","7","3","2","2","6","1") = "6"
    & skf21("6","4","7","3","2","2","7","1") = "6"
    & skf21("6","4","7","3","2","3","1","1") = "6"
    & skf21("6","4","7","3","2","3","2","1") = "6"
    & skf21("6","4","7","3","2","3","3","1") = "6"
    & skf21("6","4","7","3","2","3","4","1") = "6"
    & skf21("6","4","7","3","2","3","5","1") = "6"
    & skf21("6","4","7","3","2","3","6","1") = "6"
    & skf21("6","4","7","3","2","3","7","1") = "6"
    & skf21("6","4","7","3","2","4","1","1") = "6"
    & skf21("6","4","7","3","2","4","2","1") = "6"
    & skf21("6","4","7","3","2","4","3","1") = "6"
    & skf21("6","4","7","3","2","4","4","1") = "6"
    & skf21("6","4","7","3","2","4","5","1") = "6"
    & skf21("6","4","7","3","2","4","6","1") = "6"
    & skf21("6","4","7","3","2","4","7","1") = "6"
    & skf21("6","4","7","3","2","5","1","1") = "6"
    & skf21("6","4","7","3","2","5","2","1") = "6"
    & skf21("6","4","7","3","2","5","3","1") = "6"
    & skf21("6","4","7","3","2","5","4","1") = "6"
    & skf21("6","4","7","3","2","5","5","1") = "6"
    & skf21("6","4","7","3","2","5","6","1") = "6"
    & skf21("6","4","7","3","2","5","7","1") = "6"
    & skf21("6","4","7","3","2","6","1","1") = "6"
    & skf21("6","4","7","3","2","6","2","1") = "6"
    & skf21("6","4","7","3","2","6","3","1") = "6"
    & skf21("6","4","7","3","2","6","4","1") = "6"
    & skf21("6","4","7","3","2","6","5","1") = "6"
    & skf21("6","4","7","3","2","6","6","1") = "6"
    & skf21("6","4","7","3","2","6","7","1") = "6"
    & skf21("6","4","7","3","2","7","1","1") = "6"
    & skf21("6","4","7","3","2","7","2","1") = "6"
    & skf21("6","4","7","3","2","7","3","1") = "6"
    & skf21("6","4","7","3","2","7","4","1") = "6"
    & skf21("6","4","7","3","2","7","5","1") = "6"
    & skf21("6","4","7","3","2","7","6","1") = "6"
    & skf21("6","4","7","3","2","7","7","1") = "6"
    & skf21("6","4","7","3","3","1","1","1") = "6"
    & skf21("6","4","7","3","3","1","2","1") = "6"
    & skf21("6","4","7","3","3","1","3","1") = "6"
    & skf21("6","4","7","3","3","1","4","1") = "6"
    & skf21("6","4","7","3","3","1","5","1") = "6"
    & skf21("6","4","7","3","3","1","6","1") = "6"
    & skf21("6","4","7","3","3","1","7","1") = "6"
    & skf21("6","4","7","3","3","2","1","1") = "6"
    & skf21("6","4","7","3","3","2","2","1") = "6"
    & skf21("6","4","7","3","3","2","3","1") = "6"
    & skf21("6","4","7","3","3","2","4","1") = "6"
    & skf21("6","4","7","3","3","2","5","1") = "6"
    & skf21("6","4","7","3","3","2","6","1") = "6"
    & skf21("6","4","7","3","3","2","7","1") = "6"
    & skf21("6","4","7","3","3","3","1","1") = "6"
    & skf21("6","4","7","3","3","3","2","1") = "6"
    & skf21("6","4","7","3","3","3","3","1") = "6"
    & skf21("6","4","7","3","3","3","4","1") = "6"
    & skf21("6","4","7","3","3","3","5","1") = "6"
    & skf21("6","4","7","3","3","3","6","1") = "6"
    & skf21("6","4","7","3","3","3","7","1") = "6"
    & skf21("6","4","7","3","3","4","1","1") = "6"
    & skf21("6","4","7","3","3","4","2","1") = "6"
    & skf21("6","4","7","3","3","4","3","1") = "6"
    & skf21("6","4","7","3","3","4","4","1") = "6"
    & skf21("6","4","7","3","3","4","5","1") = "6"
    & skf21("6","4","7","3","3","4","6","1") = "6"
    & skf21("6","4","7","3","3","4","7","1") = "6"
    & skf21("6","4","7","3","3","5","1","1") = "6"
    & skf21("6","4","7","3","3","5","2","1") = "6"
    & skf21("6","4","7","3","3","5","3","1") = "6"
    & skf21("6","4","7","3","3","5","4","1") = "6"
    & skf21("6","4","7","3","3","5","5","1") = "6"
    & skf21("6","4","7","3","3","5","6","1") = "6"
    & skf21("6","4","7","3","3","5","7","1") = "6"
    & skf21("6","4","7","3","3","6","1","1") = "6"
    & skf21("6","4","7","3","3","6","2","1") = "6"
    & skf21("6","4","7","3","3","6","3","1") = "6"
    & skf21("6","4","7","3","3","6","4","1") = "6"
    & skf21("6","4","7","3","3","6","5","1") = "6"
    & skf21("6","4","7","3","3","6","6","1") = "6"
    & skf21("6","4","7","3","3","6","7","1") = "6"
    & skf21("6","4","7","3","3","7","1","1") = "6"
    & skf21("6","4","7","3","3","7","2","1") = "6"
    & skf21("6","4","7","3","3","7","3","1") = "6"
    & skf21("6","4","7","3","3","7","4","1") = "6"
    & skf21("6","4","7","3","3","7","5","1") = "6"
    & skf21("6","4","7","3","3","7","6","1") = "6"
    & skf21("6","4","7","3","3","7","7","1") = "6"
    & skf21("6","4","7","3","4","1","1","1") = "6"
    & skf21("6","4","7","3","4","1","2","1") = "6"
    & skf21("6","4","7","3","4","1","3","1") = "6"
    & skf21("6","4","7","3","4","1","4","1") = "6"
    & skf21("6","4","7","3","4","1","5","1") = "6"
    & skf21("6","4","7","3","4","1","6","1") = "6"
    & skf21("6","4","7","3","4","1","7","1") = "6"
    & skf21("6","4","7","3","4","2","1","1") = "6"
    & skf21("6","4","7","3","4","2","2","1") = "6"
    & skf21("6","4","7","3","4","2","3","1") = "6"
    & skf21("6","4","7","3","4","2","4","1") = "6"
    & skf21("6","4","7","3","4","2","5","1") = "6"
    & skf21("6","4","7","3","4","2","6","1") = "6"
    & skf21("6","4","7","3","4","2","7","1") = "6"
    & skf21("6","4","7","3","4","3","1","1") = "6"
    & skf21("6","4","7","3","4","3","2","1") = "6"
    & skf21("6","4","7","3","4","3","3","1") = "6"
    & skf21("6","4","7","3","4","3","4","1") = "6"
    & skf21("6","4","7","3","4","3","5","1") = "6"
    & skf21("6","4","7","3","4","3","6","1") = "6"
    & skf21("6","4","7","3","4","3","7","1") = "6"
    & skf21("6","4","7","3","4","4","1","1") = "6"
    & skf21("6","4","7","3","4","4","2","1") = "6"
    & skf21("6","4","7","3","4","4","3","1") = "6"
    & skf21("6","4","7","3","4","4","4","1") = "6"
    & skf21("6","4","7","3","4","4","5","1") = "6"
    & skf21("6","4","7","3","4","4","6","1") = "6"
    & skf21("6","4","7","3","4","4","7","1") = "6"
    & skf21("6","4","7","3","4","5","1","1") = "6"
    & skf21("6","4","7","3","4","5","2","1") = "6"
    & skf21("6","4","7","3","4","5","3","1") = "6"
    & skf21("6","4","7","3","4","5","4","1") = "6"
    & skf21("6","4","7","3","4","5","5","1") = "6"
    & skf21("6","4","7","3","4","5","6","1") = "6"
    & skf21("6","4","7","3","4","5","7","1") = "6"
    & skf21("6","4","7","3","4","6","1","1") = "6"
    & skf21("6","4","7","3","4","6","2","1") = "6"
    & skf21("6","4","7","3","4","6","3","1") = "6"
    & skf21("6","4","7","3","4","6","4","1") = "6"
    & skf21("6","4","7","3","4","6","5","1") = "6"
    & skf21("6","4","7","3","4","6","6","1") = "6"
    & skf21("6","4","7","3","4","6","7","1") = "6"
    & skf21("6","4","7","3","4","7","1","1") = "6"
    & skf21("6","4","7","3","4","7","2","1") = "6"
    & skf21("6","4","7","3","4","7","3","1") = "6"
    & skf21("6","4","7","3","4","7","4","1") = "6"
    & skf21("6","4","7","3","4","7","5","1") = "6"
    & skf21("6","4","7","3","4","7","6","1") = "6"
    & skf21("6","4","7","3","4","7","7","1") = "6"
    & skf21("6","4","7","3","5","1","1","1") = "6"
    & skf21("6","4","7","3","5","1","2","1") = "6"
    & skf21("6","4","7","3","5","1","3","1") = "6"
    & skf21("6","4","7","3","5","1","4","1") = "6"
    & skf21("6","4","7","3","5","1","5","1") = "6"
    & skf21("6","4","7","3","5","1","6","1") = "6"
    & skf21("6","4","7","3","5","1","7","1") = "6"
    & skf21("6","4","7","3","5","2","1","1") = "6"
    & skf21("6","4","7","3","5","2","2","1") = "6"
    & skf21("6","4","7","3","5","2","3","1") = "6"
    & skf21("6","4","7","3","5","2","4","1") = "6"
    & skf21("6","4","7","3","5","2","5","1") = "6"
    & skf21("6","4","7","3","5","2","6","1") = "6"
    & skf21("6","4","7","3","5","2","7","1") = "6"
    & skf21("6","4","7","3","5","3","1","1") = "6"
    & skf21("6","4","7","3","5","3","2","1") = "6"
    & skf21("6","4","7","3","5","3","3","1") = "6"
    & skf21("6","4","7","3","5","3","4","1") = "6"
    & skf21("6","4","7","3","5","3","5","1") = "6"
    & skf21("6","4","7","3","5","3","6","1") = "6"
    & skf21("6","4","7","3","5","3","7","1") = "6"
    & skf21("6","4","7","3","5","4","1","1") = "6"
    & skf21("6","4","7","3","5","4","2","1") = "6"
    & skf21("6","4","7","3","5","4","3","1") = "6"
    & skf21("6","4","7","3","5","4","4","1") = "6"
    & skf21("6","4","7","3","5","4","5","1") = "6"
    & skf21("6","4","7","3","5","4","6","1") = "6"
    & skf21("6","4","7","3","5","4","7","1") = "6"
    & skf21("6","4","7","3","5","5","1","1") = "6"
    & skf21("6","4","7","3","5","5","2","1") = "6"
    & skf21("6","4","7","3","5","5","3","1") = "6"
    & skf21("6","4","7","3","5","5","4","1") = "6"
    & skf21("6","4","7","3","5","5","5","1") = "6"
    & skf21("6","4","7","3","5","5","6","1") = "6"
    & skf21("6","4","7","3","5","5","7","1") = "6"
    & skf21("6","4","7","3","5","6","1","1") = "6"
    & skf21("6","4","7","3","5","6","2","1") = "6"
    & skf21("6","4","7","3","5","6","3","1") = "6"
    & skf21("6","4","7","3","5","6","4","1") = "6"
    & skf21("6","4","7","3","5","6","5","1") = "6"
    & skf21("6","4","7","3","5","6","6","1") = "6"
    & skf21("6","4","7","3","5","6","7","1") = "6"
    & skf21("6","4","7","3","5","7","1","1") = "6"
    & skf21("6","4","7","3","5","7","2","1") = "6"
    & skf21("6","4","7","3","5","7","3","1") = "6"
    & skf21("6","4","7","3","5","7","4","1") = "6"
    & skf21("6","4","7","3","5","7","5","1") = "6"
    & skf21("6","4","7","3","5","7","6","1") = "6"
    & skf21("6","4","7","3","5","7","7","1") = "6"
    & skf21("6","4","7","3","6","1","1","1") = "6"
    & skf21("6","4","7","3","6","1","2","1") = "6"
    & skf21("6","4","7","3","6","1","3","1") = "6"
    & skf21("6","4","7","3","6","1","4","1") = "6"
    & skf21("6","4","7","3","6","1","5","1") = "6"
    & skf21("6","4","7","3","6","1","6","1") = "6"
    & skf21("6","4","7","3","6","1","7","1") = "6"
    & skf21("6","4","7","3","6","2","1","1") = "6"
    & skf21("6","4","7","3","6","2","2","1") = "6"
    & skf21("6","4","7","3","6","2","3","1") = "6"
    & skf21("6","4","7","3","6","2","4","1") = "6"
    & skf21("6","4","7","3","6","2","5","1") = "6"
    & skf21("6","4","7","3","6","2","6","1") = "6"
    & skf21("6","4","7","3","6","2","7","1") = "6"
    & skf21("6","4","7","3","6","3","1","1") = "6"
    & skf21("6","4","7","3","6","3","2","1") = "6"
    & skf21("6","4","7","3","6","3","3","1") = "6"
    & skf21("6","4","7","3","6","3","4","1") = "6"
    & skf21("6","4","7","3","6","3","5","1") = "6"
    & skf21("6","4","7","3","6","3","6","1") = "6"
    & skf21("6","4","7","3","6","3","7","1") = "6"
    & skf21("6","4","7","3","6","4","1","1") = "6"
    & skf21("6","4","7","3","6","4","2","1") = "6"
    & skf21("6","4","7","3","6","4","3","1") = "6"
    & skf21("6","4","7","3","6","4","4","1") = "6"
    & skf21("6","4","7","3","6","4","5","1") = "6"
    & skf21("6","4","7","3","6","4","6","1") = "6"
    & skf21("6","4","7","3","6","4","7","1") = "6"
    & skf21("6","4","7","3","6","5","1","1") = "6"
    & skf21("6","4","7","3","6","5","2","1") = "6"
    & skf21("6","4","7","3","6","5","3","1") = "6"
    & skf21("6","4","7","3","6","5","4","1") = "6"
    & skf21("6","4","7","3","6","5","5","1") = "6"
    & skf21("6","4","7","3","6","5","6","1") = "6"
    & skf21("6","4","7","3","6","5","7","1") = "6"
    & skf21("6","4","7","3","6","6","1","1") = "6"
    & skf21("6","4","7","3","6","6","2","1") = "6"
    & skf21("6","4","7","3","6","6","3","1") = "6"
    & skf21("6","4","7","3","6","6","4","1") = "6"
    & skf21("6","4","7","3","6","6","5","1") = "6"
    & skf21("6","4","7","3","6","6","6","1") = "6"
    & skf21("6","4","7","3","6","6","7","1") = "6"
    & skf21("6","4","7","3","6","7","1","1") = "6"
    & skf21("6","4","7","3","6","7","2","1") = "6"
    & skf21("6","4","7","3","6","7","3","1") = "6"
    & skf21("6","4","7","3","6","7","4","1") = "6"
    & skf21("6","4","7","3","6","7","5","1") = "6"
    & skf21("6","4","7","3","6","7","6","1") = "6"
    & skf21("6","4","7","3","6","7","7","1") = "6"
    & skf21("6","4","7","3","7","1","1","1") = "6"
    & skf21("6","4","7","3","7","1","2","1") = "6"
    & skf21("6","4","7","3","7","1","3","1") = "6"
    & skf21("6","4","7","3","7","1","4","1") = "6"
    & skf21("6","4","7","3","7","1","5","1") = "6"
    & skf21("6","4","7","3","7","1","6","1") = "6"
    & skf21("6","4","7","3","7","1","7","1") = "6"
    & skf21("6","4","7","3","7","2","1","1") = "6"
    & skf21("6","4","7","3","7","2","2","1") = "6"
    & skf21("6","4","7","3","7","2","3","1") = "6"
    & skf21("6","4","7","3","7","2","4","1") = "6"
    & skf21("6","4","7","3","7","2","5","1") = "6"
    & skf21("6","4","7","3","7","2","6","1") = "6"
    & skf21("6","4","7","3","7","2","7","1") = "6"
    & skf21("6","4","7","3","7","3","1","1") = "6"
    & skf21("6","4","7","3","7","3","2","1") = "6"
    & skf21("6","4","7","3","7","3","3","1") = "6"
    & skf21("6","4","7","3","7","3","4","1") = "6"
    & skf21("6","4","7","3","7","3","5","1") = "6"
    & skf21("6","4","7","3","7","3","6","1") = "6"
    & skf21("6","4","7","3","7","3","7","1") = "6"
    & skf21("6","4","7","3","7","4","1","1") = "6"
    & skf21("6","4","7","3","7","4","2","1") = "6"
    & skf21("6","4","7","3","7","4","3","1") = "6"
    & skf21("6","4","7","3","7","4","4","1") = "6"
    & skf21("6","4","7","3","7","4","5","1") = "6"
    & skf21("6","4","7","3","7","4","6","1") = "6"
    & skf21("6","4","7","3","7","4","7","1") = "6"
    & skf21("6","4","7","3","7","5","1","1") = "6"
    & skf21("6","4","7","3","7","5","2","1") = "6"
    & skf21("6","4","7","3","7","5","3","1") = "6"
    & skf21("6","4","7","3","7","5","4","1") = "6"
    & skf21("6","4","7","3","7","5","5","1") = "6"
    & skf21("6","4","7","3","7","5","6","1") = "6"
    & skf21("6","4","7","3","7","5","7","1") = "6"
    & skf21("6","4","7","3","7","6","1","1") = "6"
    & skf21("6","4","7","3","7","6","2","1") = "6"
    & skf21("6","4","7","3","7","6","3","1") = "6"
    & skf21("6","4","7","3","7","6","4","1") = "6"
    & skf21("6","4","7","3","7","6","5","1") = "6"
    & skf21("6","4","7","3","7","6","6","1") = "6"
    & skf21("6","4","7","3","7","6","7","1") = "6"
    & skf21("6","4","7","3","7","7","1","1") = "6"
    & skf21("6","4","7","3","7","7","2","1") = "6"
    & skf21("6","4","7","3","7","7","3","1") = "6"
    & skf21("6","4","7","3","7","7","4","1") = "6"
    & skf21("6","4","7","3","7","7","5","1") = "6"
    & skf21("6","4","7","3","7","7","6","1") = "6"
    & skf21("6","4","7","3","7","7","7","1") = "6"
    & skf21("6","4","7","4","1","1","1","1") = "6"
    & skf21("6","4","7","4","1","1","2","1") = "6"
    & skf21("6","4","7","4","1","1","3","1") = "6"
    & skf21("6","4","7","4","1","1","4","1") = "6"
    & skf21("6","4","7","4","1","1","5","1") = "6"
    & skf21("6","4","7","4","1","1","6","1") = "6"
    & skf21("6","4","7","4","1","1","7","1") = "6"
    & skf21("6","4","7","4","1","2","1","1") = "6"
    & skf21("6","4","7","4","1","2","2","1") = "6"
    & skf21("6","4","7","4","1","2","3","1") = "6"
    & skf21("6","4","7","4","1","2","4","1") = "6"
    & skf21("6","4","7","4","1","2","5","1") = "6"
    & skf21("6","4","7","4","1","2","6","1") = "6"
    & skf21("6","4","7","4","1","2","7","1") = "6"
    & skf21("6","4","7","4","1","3","1","1") = "6"
    & skf21("6","4","7","4","1","3","2","1") = "6"
    & skf21("6","4","7","4","1","3","3","1") = "6"
    & skf21("6","4","7","4","1","3","4","1") = "6"
    & skf21("6","4","7","4","1","3","5","1") = "6"
    & skf21("6","4","7","4","1","3","6","1") = "6"
    & skf21("6","4","7","4","1","3","7","1") = "6"
    & skf21("6","4","7","4","1","4","1","1") = "6"
    & skf21("6","4","7","4","1","4","2","1") = "6"
    & skf21("6","4","7","4","1","4","3","1") = "6"
    & skf21("6","4","7","4","1","4","4","1") = "6"
    & skf21("6","4","7","4","1","4","5","1") = "6"
    & skf21("6","4","7","4","1","4","6","1") = "6"
    & skf21("6","4","7","4","1","4","7","1") = "6"
    & skf21("6","4","7","4","1","5","1","1") = "6"
    & skf21("6","4","7","4","1","5","2","1") = "6"
    & skf21("6","4","7","4","1","5","3","1") = "6"
    & skf21("6","4","7","4","1","5","4","1") = "6"
    & skf21("6","4","7","4","1","5","5","1") = "6"
    & skf21("6","4","7","4","1","5","6","1") = "6"
    & skf21("6","4","7","4","1","5","7","1") = "6"
    & skf21("6","4","7","4","1","6","1","1") = "6"
    & skf21("6","4","7","4","1","6","2","1") = "6"
    & skf21("6","4","7","4","1","6","3","1") = "6"
    & skf21("6","4","7","4","1","6","4","1") = "6"
    & skf21("6","4","7","4","1","6","5","1") = "6"
    & skf21("6","4","7","4","1","6","6","1") = "6"
    & skf21("6","4","7","4","1","6","7","1") = "6"
    & skf21("6","4","7","4","1","7","1","1") = "6"
    & skf21("6","4","7","4","1","7","2","1") = "6"
    & skf21("6","4","7","4","1","7","3","1") = "6"
    & skf21("6","4","7","4","1","7","4","1") = "6"
    & skf21("6","4","7","4","1","7","5","1") = "6"
    & skf21("6","4","7","4","1","7","6","1") = "6"
    & skf21("6","4","7","4","1","7","7","1") = "6"
    & skf21("6","4","7","4","2","1","1","1") = "6"
    & skf21("6","4","7","4","2","1","2","1") = "6"
    & skf21("6","4","7","4","2","1","3","1") = "6"
    & skf21("6","4","7","4","2","1","4","1") = "6"
    & skf21("6","4","7","4","2","1","5","1") = "6"
    & skf21("6","4","7","4","2","1","6","1") = "6"
    & skf21("6","4","7","4","2","1","7","1") = "6"
    & skf21("6","4","7","4","2","2","1","1") = "6"
    & skf21("6","4","7","4","2","2","2","1") = "6"
    & skf21("6","4","7","4","2","2","3","1") = "6"
    & skf21("6","4","7","4","2","2","4","1") = "6"
    & skf21("6","4","7","4","2","2","5","1") = "6"
    & skf21("6","4","7","4","2","2","6","1") = "6"
    & skf21("6","4","7","4","2","2","7","1") = "6"
    & skf21("6","4","7","4","2","3","1","1") = "6"
    & skf21("6","4","7","4","2","3","2","1") = "6"
    & skf21("6","4","7","4","2","3","3","1") = "6"
    & skf21("6","4","7","4","2","3","4","1") = "6"
    & skf21("6","4","7","4","2","3","5","1") = "6"
    & skf21("6","4","7","4","2","3","6","1") = "6"
    & skf21("6","4","7","4","2","3","7","1") = "6"
    & skf21("6","4","7","4","2","4","1","1") = "6"
    & skf21("6","4","7","4","2","4","2","1") = "6"
    & skf21("6","4","7","4","2","4","3","1") = "6"
    & skf21("6","4","7","4","2","4","4","1") = "6"
    & skf21("6","4","7","4","2","4","5","1") = "6"
    & skf21("6","4","7","4","2","4","6","1") = "6"
    & skf21("6","4","7","4","2","4","7","1") = "6"
    & skf21("6","4","7","4","2","5","1","1") = "6"
    & skf21("6","4","7","4","2","5","2","1") = "6"
    & skf21("6","4","7","4","2","5","3","1") = "6"
    & skf21("6","4","7","4","2","5","4","1") = "6"
    & skf21("6","4","7","4","2","5","5","1") = "6"
    & skf21("6","4","7","4","2","5","6","1") = "6"
    & skf21("6","4","7","4","2","5","7","1") = "6"
    & skf21("6","4","7","4","2","6","1","1") = "6"
    & skf21("6","4","7","4","2","6","2","1") = "6"
    & skf21("6","4","7","4","2","6","3","1") = "6"
    & skf21("6","4","7","4","2","6","4","1") = "6"
    & skf21("6","4","7","4","2","6","5","1") = "6"
    & skf21("6","4","7","4","2","6","6","1") = "6"
    & skf21("6","4","7","4","2","6","7","1") = "6"
    & skf21("6","4","7","4","2","7","1","1") = "6"
    & skf21("6","4","7","4","2","7","2","1") = "6"
    & skf21("6","4","7","4","2","7","3","1") = "6"
    & skf21("6","4","7","4","2","7","4","1") = "6"
    & skf21("6","4","7","4","2","7","5","1") = "6"
    & skf21("6","4","7","4","2","7","6","1") = "6"
    & skf21("6","4","7","4","2","7","7","1") = "6"
    & skf21("6","4","7","4","3","1","1","1") = "6"
    & skf21("6","4","7","4","3","1","2","1") = "6"
    & skf21("6","4","7","4","3","1","3","1") = "6"
    & skf21("6","4","7","4","3","1","4","1") = "6"
    & skf21("6","4","7","4","3","1","5","1") = "6"
    & skf21("6","4","7","4","3","1","6","1") = "6"
    & skf21("6","4","7","4","3","1","7","1") = "6"
    & skf21("6","4","7","4","3","2","1","1") = "6"
    & skf21("6","4","7","4","3","2","2","1") = "6"
    & skf21("6","4","7","4","3","2","3","1") = "6"
    & skf21("6","4","7","4","3","2","4","1") = "6"
    & skf21("6","4","7","4","3","2","5","1") = "6"
    & skf21("6","4","7","4","3","2","6","1") = "6"
    & skf21("6","4","7","4","3","2","7","1") = "6"
    & skf21("6","4","7","4","3","3","1","1") = "6"
    & skf21("6","4","7","4","3","3","2","1") = "6"
    & skf21("6","4","7","4","3","3","3","1") = "6"
    & skf21("6","4","7","4","3","3","4","1") = "6"
    & skf21("6","4","7","4","3","3","5","1") = "6"
    & skf21("6","4","7","4","3","3","6","1") = "6"
    & skf21("6","4","7","4","3","3","7","1") = "6"
    & skf21("6","4","7","4","3","4","1","1") = "6"
    & skf21("6","4","7","4","3","4","2","1") = "6"
    & skf21("6","4","7","4","3","4","3","1") = "6"
    & skf21("6","4","7","4","3","4","4","1") = "6"
    & skf21("6","4","7","4","3","4","5","1") = "6"
    & skf21("6","4","7","4","3","4","6","1") = "6"
    & skf21("6","4","7","4","3","4","7","1") = "6"
    & skf21("6","4","7","4","3","5","1","1") = "6"
    & skf21("6","4","7","4","3","5","2","1") = "6"
    & skf21("6","4","7","4","3","5","3","1") = "6"
    & skf21("6","4","7","4","3","5","4","1") = "6"
    & skf21("6","4","7","4","3","5","5","1") = "6"
    & skf21("6","4","7","4","3","5","6","1") = "6"
    & skf21("6","4","7","4","3","5","7","1") = "6"
    & skf21("6","4","7","4","3","6","1","1") = "6"
    & skf21("6","4","7","4","3","6","2","1") = "6"
    & skf21("6","4","7","4","3","6","3","1") = "6"
    & skf21("6","4","7","4","3","6","4","1") = "6"
    & skf21("6","4","7","4","3","6","5","1") = "6"
    & skf21("6","4","7","4","3","6","6","1") = "6"
    & skf21("6","4","7","4","3","6","7","1") = "6"
    & skf21("6","4","7","4","3","7","1","1") = "6"
    & skf21("6","4","7","4","3","7","2","1") = "6"
    & skf21("6","4","7","4","3","7","3","1") = "6"
    & skf21("6","4","7","4","3","7","4","1") = "6"
    & skf21("6","4","7","4","3","7","5","1") = "6"
    & skf21("6","4","7","4","3","7","6","1") = "6"
    & skf21("6","4","7","4","3","7","7","1") = "6"
    & skf21("6","4","7","4","4","1","1","1") = "6"
    & skf21("6","4","7","4","4","1","2","1") = "6"
    & skf21("6","4","7","4","4","1","3","1") = "6"
    & skf21("6","4","7","4","4","1","4","1") = "6"
    & skf21("6","4","7","4","4","1","5","1") = "6"
    & skf21("6","4","7","4","4","1","6","1") = "6"
    & skf21("6","4","7","4","4","1","7","1") = "6"
    & skf21("6","4","7","4","4","2","1","1") = "6"
    & skf21("6","4","7","4","4","2","2","1") = "6"
    & skf21("6","4","7","4","4","2","3","1") = "6"
    & skf21("6","4","7","4","4","2","4","1") = "6"
    & skf21("6","4","7","4","4","2","5","1") = "6"
    & skf21("6","4","7","4","4","2","6","1") = "6"
    & skf21("6","4","7","4","4","2","7","1") = "6"
    & skf21("6","4","7","4","4","3","1","1") = "6"
    & skf21("6","4","7","4","4","3","2","1") = "6"
    & skf21("6","4","7","4","4","3","3","1") = "6"
    & skf21("6","4","7","4","4","3","4","1") = "6"
    & skf21("6","4","7","4","4","3","5","1") = "6"
    & skf21("6","4","7","4","4","3","6","1") = "6"
    & skf21("6","4","7","4","4","3","7","1") = "6"
    & skf21("6","4","7","4","4","4","1","1") = "6"
    & skf21("6","4","7","4","4","4","2","1") = "6"
    & skf21("6","4","7","4","4","4","3","1") = "6"
    & skf21("6","4","7","4","4","4","4","1") = "6"
    & skf21("6","4","7","4","4","4","5","1") = "6"
    & skf21("6","4","7","4","4","4","6","1") = "6"
    & skf21("6","4","7","4","4","4","7","1") = "6"
    & skf21("6","4","7","4","4","5","1","1") = "6"
    & skf21("6","4","7","4","4","5","2","1") = "6"
    & skf21("6","4","7","4","4","5","3","1") = "6"
    & skf21("6","4","7","4","4","5","4","1") = "6"
    & skf21("6","4","7","4","4","5","5","1") = "6"
    & skf21("6","4","7","4","4","5","6","1") = "6"
    & skf21("6","4","7","4","4","5","7","1") = "6"
    & skf21("6","4","7","4","4","6","1","1") = "6"
    & skf21("6","4","7","4","4","6","2","1") = "6"
    & skf21("6","4","7","4","4","6","3","1") = "6"
    & skf21("6","4","7","4","4","6","4","1") = "6"
    & skf21("6","4","7","4","4","6","5","1") = "6"
    & skf21("6","4","7","4","4","6","6","1") = "6"
    & skf21("6","4","7","4","4","6","7","1") = "6"
    & skf21("6","4","7","4","4","7","1","1") = "6"
    & skf21("6","4","7","4","4","7","2","1") = "6"
    & skf21("6","4","7","4","4","7","3","1") = "6"
    & skf21("6","4","7","4","4","7","4","1") = "6"
    & skf21("6","4","7","4","4","7","5","1") = "6"
    & skf21("6","4","7","4","4","7","6","1") = "6"
    & skf21("6","4","7","4","4","7","7","1") = "6"
    & skf21("6","4","7","4","5","1","1","1") = "6"
    & skf21("6","4","7","4","5","1","2","1") = "6"
    & skf21("6","4","7","4","5","1","3","1") = "6"
    & skf21("6","4","7","4","5","1","4","1") = "6"
    & skf21("6","4","7","4","5","1","5","1") = "6"
    & skf21("6","4","7","4","5","1","6","1") = "6"
    & skf21("6","4","7","4","5","1","7","1") = "6"
    & skf21("6","4","7","4","5","2","1","1") = "6"
    & skf21("6","4","7","4","5","2","2","1") = "6"
    & skf21("6","4","7","4","5","2","3","1") = "6"
    & skf21("6","4","7","4","5","2","4","1") = "6"
    & skf21("6","4","7","4","5","2","5","1") = "6"
    & skf21("6","4","7","4","5","2","6","1") = "6"
    & skf21("6","4","7","4","5","2","7","1") = "6"
    & skf21("6","4","7","4","5","3","1","1") = "6"
    & skf21("6","4","7","4","5","3","2","1") = "6"
    & skf21("6","4","7","4","5","3","3","1") = "6"
    & skf21("6","4","7","4","5","3","4","1") = "6"
    & skf21("6","4","7","4","5","3","5","1") = "6"
    & skf21("6","4","7","4","5","3","6","1") = "6"
    & skf21("6","4","7","4","5","3","7","1") = "6"
    & skf21("6","4","7","4","5","4","1","1") = "6"
    & skf21("6","4","7","4","5","4","2","1") = "6"
    & skf21("6","4","7","4","5","4","3","1") = "6"
    & skf21("6","4","7","4","5","4","4","1") = "6"
    & skf21("6","4","7","4","5","4","5","1") = "6"
    & skf21("6","4","7","4","5","4","6","1") = "6"
    & skf21("6","4","7","4","5","4","7","1") = "6"
    & skf21("6","4","7","4","5","5","1","1") = "6"
    & skf21("6","4","7","4","5","5","2","1") = "6"
    & skf21("6","4","7","4","5","5","3","1") = "6"
    & skf21("6","4","7","4","5","5","4","1") = "6"
    & skf21("6","4","7","4","5","5","5","1") = "6"
    & skf21("6","4","7","4","5","5","6","1") = "6"
    & skf21("6","4","7","4","5","5","7","1") = "6"
    & skf21("6","4","7","4","5","6","1","1") = "6"
    & skf21("6","4","7","4","5","6","2","1") = "6"
    & skf21("6","4","7","4","5","6","3","1") = "6"
    & skf21("6","4","7","4","5","6","4","1") = "6"
    & skf21("6","4","7","4","5","6","5","1") = "6"
    & skf21("6","4","7","4","5","6","6","1") = "6"
    & skf21("6","4","7","4","5","6","7","1") = "6"
    & skf21("6","4","7","4","5","7","1","1") = "6"
    & skf21("6","4","7","4","5","7","2","1") = "6"
    & skf21("6","4","7","4","5","7","3","1") = "6"
    & skf21("6","4","7","4","5","7","4","1") = "6"
    & skf21("6","4","7","4","5","7","5","1") = "6"
    & skf21("6","4","7","4","5","7","6","1") = "6"
    & skf21("6","4","7","4","5","7","7","1") = "6"
    & skf21("6","4","7","4","6","1","1","1") = "6"
    & skf21("6","4","7","4","6","1","2","1") = "6"
    & skf21("6","4","7","4","6","1","3","1") = "6"
    & skf21("6","4","7","4","6","1","4","1") = "6"
    & skf21("6","4","7","4","6","1","5","1") = "6"
    & skf21("6","4","7","4","6","1","6","1") = "6"
    & skf21("6","4","7","4","6","1","7","1") = "6"
    & skf21("6","4","7","4","6","2","1","1") = "6"
    & skf21("6","4","7","4","6","2","2","1") = "6"
    & skf21("6","4","7","4","6","2","3","1") = "6"
    & skf21("6","4","7","4","6","2","4","1") = "6"
    & skf21("6","4","7","4","6","2","5","1") = "6"
    & skf21("6","4","7","4","6","2","6","1") = "6"
    & skf21("6","4","7","4","6","2","7","1") = "6"
    & skf21("6","4","7","4","6","3","1","1") = "6"
    & skf21("6","4","7","4","6","3","2","1") = "6"
    & skf21("6","4","7","4","6","3","3","1") = "6"
    & skf21("6","4","7","4","6","3","4","1") = "6"
    & skf21("6","4","7","4","6","3","5","1") = "6"
    & skf21("6","4","7","4","6","3","6","1") = "6"
    & skf21("6","4","7","4","6","3","7","1") = "6"
    & skf21("6","4","7","4","6","4","1","1") = "6"
    & skf21("6","4","7","4","6","4","2","1") = "6"
    & skf21("6","4","7","4","6","4","3","1") = "6"
    & skf21("6","4","7","4","6","4","4","1") = "6"
    & skf21("6","4","7","4","6","4","5","1") = "6"
    & skf21("6","4","7","4","6","4","6","1") = "6"
    & skf21("6","4","7","4","6","4","7","1") = "6"
    & skf21("6","4","7","4","6","5","1","1") = "6"
    & skf21("6","4","7","4","6","5","2","1") = "6"
    & skf21("6","4","7","4","6","5","3","1") = "6"
    & skf21("6","4","7","4","6","5","4","1") = "6"
    & skf21("6","4","7","4","6","5","5","1") = "6"
    & skf21("6","4","7","4","6","5","6","1") = "6"
    & skf21("6","4","7","4","6","5","7","1") = "6"
    & skf21("6","4","7","4","6","6","1","1") = "6"
    & skf21("6","4","7","4","6","6","2","1") = "6"
    & skf21("6","4","7","4","6","6","3","1") = "6"
    & skf21("6","4","7","4","6","6","4","1") = "6"
    & skf21("6","4","7","4","6","6","5","1") = "6"
    & skf21("6","4","7","4","6","6","6","1") = "6"
    & skf21("6","4","7","4","6","6","7","1") = "6"
    & skf21("6","4","7","4","6","7","1","1") = "6"
    & skf21("6","4","7","4","6","7","2","1") = "6"
    & skf21("6","4","7","4","6","7","3","1") = "6"
    & skf21("6","4","7","4","6","7","4","1") = "6"
    & skf21("6","4","7","4","6","7","5","1") = "6"
    & skf21("6","4","7","4","6","7","6","1") = "6"
    & skf21("6","4","7","4","6","7","7","1") = "6"
    & skf21("6","4","7","4","7","1","1","1") = "6"
    & skf21("6","4","7","4","7","1","2","1") = "6"
    & skf21("6","4","7","4","7","1","3","1") = "6"
    & skf21("6","4","7","4","7","1","4","1") = "6"
    & skf21("6","4","7","4","7","1","5","1") = "6"
    & skf21("6","4","7","4","7","1","6","1") = "6"
    & skf21("6","4","7","4","7","1","7","1") = "6"
    & skf21("6","4","7","4","7","2","1","1") = "6"
    & skf21("6","4","7","4","7","2","2","1") = "6"
    & skf21("6","4","7","4","7","2","3","1") = "6"
    & skf21("6","4","7","4","7","2","4","1") = "6"
    & skf21("6","4","7","4","7","2","5","1") = "6"
    & skf21("6","4","7","4","7","2","6","1") = "6"
    & skf21("6","4","7","4","7","2","7","1") = "6"
    & skf21("6","4","7","4","7","3","1","1") = "6"
    & skf21("6","4","7","4","7","3","2","1") = "6"
    & skf21("6","4","7","4","7","3","3","1") = "6"
    & skf21("6","4","7","4","7","3","4","1") = "6"
    & skf21("6","4","7","4","7","3","5","1") = "6"
    & skf21("6","4","7","4","7","3","6","1") = "6"
    & skf21("6","4","7","4","7","3","7","1") = "6"
    & skf21("6","4","7","4","7","4","1","1") = "6"
    & skf21("6","4","7","4","7","4","2","1") = "6"
    & skf21("6","4","7","4","7","4","3","1") = "6"
    & skf21("6","4","7","4","7","4","4","1") = "6"
    & skf21("6","4","7","4","7","4","5","1") = "6"
    & skf21("6","4","7","4","7","4","6","1") = "6"
    & skf21("6","4","7","4","7","4","7","1") = "6"
    & skf21("6","4","7","4","7","5","1","1") = "6"
    & skf21("6","4","7","4","7","5","2","1") = "6"
    & skf21("6","4","7","4","7","5","3","1") = "6"
    & skf21("6","4","7","4","7","5","4","1") = "6"
    & skf21("6","4","7","4","7","5","5","1") = "6"
    & skf21("6","4","7","4","7","5","6","1") = "6"
    & skf21("6","4","7","4","7","5","7","1") = "6"
    & skf21("6","4","7","4","7","6","1","1") = "6"
    & skf21("6","4","7","4","7","6","2","1") = "6"
    & skf21("6","4","7","4","7","6","3","1") = "6"
    & skf21("6","4","7","4","7","6","4","1") = "6"
    & skf21("6","4","7","4","7","6","5","1") = "6"
    & skf21("6","4","7","4","7","6","6","1") = "6"
    & skf21("6","4","7","4","7","6","7","1") = "6"
    & skf21("6","4","7","4","7","7","1","1") = "6"
    & skf21("6","4","7","4","7","7","2","1") = "6"
    & skf21("6","4","7","4","7","7","3","1") = "6"
    & skf21("6","4","7","4","7","7","4","1") = "6"
    & skf21("6","4","7","4","7","7","5","1") = "6"
    & skf21("6","4","7","4","7","7","6","1") = "6"
    & skf21("6","4","7","4","7","7","7","1") = "6"
    & skf21("6","4","7","5","1","1","1","1") = "6"
    & skf21("6","4","7","5","1","1","2","1") = "6"
    & skf21("6","4","7","5","1","1","3","1") = "6"
    & skf21("6","4","7","5","1","1","4","1") = "6"
    & skf21("6","4","7","5","1","1","5","1") = "6"
    & skf21("6","4","7","5","1","1","6","1") = "6"
    & skf21("6","4","7","5","1","1","7","1") = "6"
    & skf21("6","4","7","5","1","2","1","1") = "6"
    & skf21("6","4","7","5","1","2","2","1") = "6"
    & skf21("6","4","7","5","1","2","3","1") = "6"
    & skf21("6","4","7","5","1","2","4","1") = "6"
    & skf21("6","4","7","5","1","2","5","1") = "6"
    & skf21("6","4","7","5","1","2","6","1") = "6"
    & skf21("6","4","7","5","1","2","7","1") = "6"
    & skf21("6","4","7","5","1","3","1","1") = "6"
    & skf21("6","4","7","5","1","3","2","1") = "6"
    & skf21("6","4","7","5","1","3","3","1") = "6"
    & skf21("6","4","7","5","1","3","4","1") = "6"
    & skf21("6","4","7","5","1","3","5","1") = "6"
    & skf21("6","4","7","5","1","3","6","1") = "6"
    & skf21("6","4","7","5","1","3","7","1") = "6"
    & skf21("6","4","7","5","1","4","1","1") = "6"
    & skf21("6","4","7","5","1","4","2","1") = "6"
    & skf21("6","4","7","5","1","4","3","1") = "6"
    & skf21("6","4","7","5","1","4","4","1") = "6"
    & skf21("6","4","7","5","1","4","5","1") = "6"
    & skf21("6","4","7","5","1","4","6","1") = "6"
    & skf21("6","4","7","5","1","4","7","1") = "6"
    & skf21("6","4","7","5","1","5","1","1") = "6"
    & skf21("6","4","7","5","1","5","2","1") = "6"
    & skf21("6","4","7","5","1","5","3","1") = "6"
    & skf21("6","4","7","5","1","5","4","1") = "6"
    & skf21("6","4","7","5","1","5","5","1") = "6"
    & skf21("6","4","7","5","1","5","6","1") = "6"
    & skf21("6","4","7","5","1","5","7","1") = "6"
    & skf21("6","4","7","5","1","6","1","1") = "6"
    & skf21("6","4","7","5","1","6","2","1") = "6"
    & skf21("6","4","7","5","1","6","3","1") = "6"
    & skf21("6","4","7","5","1","6","4","1") = "6"
    & skf21("6","4","7","5","1","6","5","1") = "6"
    & skf21("6","4","7","5","1","6","6","1") = "6"
    & skf21("6","4","7","5","1","6","7","1") = "6"
    & skf21("6","4","7","5","1","7","1","1") = "6"
    & skf21("6","4","7","5","1","7","2","1") = "6"
    & skf21("6","4","7","5","1","7","3","1") = "6"
    & skf21("6","4","7","5","1","7","4","1") = "6"
    & skf21("6","4","7","5","1","7","5","1") = "6"
    & skf21("6","4","7","5","1","7","6","1") = "6"
    & skf21("6","4","7","5","1","7","7","1") = "6"
    & skf21("6","4","7","5","2","1","1","1") = "6"
    & skf21("6","4","7","5","2","1","2","1") = "6"
    & skf21("6","4","7","5","2","1","3","1") = "6"
    & skf21("6","4","7","5","2","1","4","1") = "6"
    & skf21("6","4","7","5","2","1","5","1") = "6"
    & skf21("6","4","7","5","2","1","6","1") = "6"
    & skf21("6","4","7","5","2","1","7","1") = "6"
    & skf21("6","4","7","5","2","2","1","1") = "6"
    & skf21("6","4","7","5","2","2","2","1") = "6"
    & skf21("6","4","7","5","2","2","3","1") = "6"
    & skf21("6","4","7","5","2","2","4","1") = "6"
    & skf21("6","4","7","5","2","2","5","1") = "6"
    & skf21("6","4","7","5","2","2","6","1") = "6"
    & skf21("6","4","7","5","2","2","7","1") = "6"
    & skf21("6","4","7","5","2","3","1","1") = "6"
    & skf21("6","4","7","5","2","3","2","1") = "6"
    & skf21("6","4","7","5","2","3","3","1") = "6"
    & skf21("6","4","7","5","2","3","4","1") = "6"
    & skf21("6","4","7","5","2","3","5","1") = "6"
    & skf21("6","4","7","5","2","3","6","1") = "6"
    & skf21("6","4","7","5","2","3","7","1") = "6"
    & skf21("6","4","7","5","2","4","1","1") = "6"
    & skf21("6","4","7","5","2","4","2","1") = "6"
    & skf21("6","4","7","5","2","4","3","1") = "6"
    & skf21("6","4","7","5","2","4","4","1") = "6"
    & skf21("6","4","7","5","2","4","5","1") = "6"
    & skf21("6","4","7","5","2","4","6","1") = "6"
    & skf21("6","4","7","5","2","4","7","1") = "6"
    & skf21("6","4","7","5","2","5","1","1") = "6"
    & skf21("6","4","7","5","2","5","2","1") = "6"
    & skf21("6","4","7","5","2","5","3","1") = "6"
    & skf21("6","4","7","5","2","5","4","1") = "6"
    & skf21("6","4","7","5","2","5","5","1") = "6"
    & skf21("6","4","7","5","2","5","6","1") = "6"
    & skf21("6","4","7","5","2","5","7","1") = "6"
    & skf21("6","4","7","5","2","6","1","1") = "6"
    & skf21("6","4","7","5","2","6","2","1") = "6"
    & skf21("6","4","7","5","2","6","3","1") = "6"
    & skf21("6","4","7","5","2","6","4","1") = "6"
    & skf21("6","4","7","5","2","6","5","1") = "6"
    & skf21("6","4","7","5","2","6","6","1") = "6"
    & skf21("6","4","7","5","2","6","7","1") = "6"
    & skf21("6","4","7","5","2","7","1","1") = "6"
    & skf21("6","4","7","5","2","7","2","1") = "6"
    & skf21("6","4","7","5","2","7","3","1") = "6"
    & skf21("6","4","7","5","2","7","4","1") = "6"
    & skf21("6","4","7","5","2","7","5","1") = "6"
    & skf21("6","4","7","5","2","7","6","1") = "6"
    & skf21("6","4","7","5","2","7","7","1") = "6"
    & skf21("6","4","7","5","3","1","1","1") = "6"
    & skf21("6","4","7","5","3","1","2","1") = "6"
    & skf21("6","4","7","5","3","1","3","1") = "6"
    & skf21("6","4","7","5","3","1","4","1") = "6"
    & skf21("6","4","7","5","3","1","5","1") = "6"
    & skf21("6","4","7","5","3","1","6","1") = "6"
    & skf21("6","4","7","5","3","1","7","1") = "6"
    & skf21("6","4","7","5","3","2","1","1") = "6"
    & skf21("6","4","7","5","3","2","2","1") = "6"
    & skf21("6","4","7","5","3","2","3","1") = "6"
    & skf21("6","4","7","5","3","2","4","1") = "6"
    & skf21("6","4","7","5","3","2","5","1") = "6"
    & skf21("6","4","7","5","3","2","6","1") = "6"
    & skf21("6","4","7","5","3","2","7","1") = "6"
    & skf21("6","4","7","5","3","3","1","1") = "6"
    & skf21("6","4","7","5","3","3","2","1") = "6"
    & skf21("6","4","7","5","3","3","3","1") = "6"
    & skf21("6","4","7","5","3","3","4","1") = "6"
    & skf21("6","4","7","5","3","3","5","1") = "6"
    & skf21("6","4","7","5","3","3","6","1") = "6"
    & skf21("6","4","7","5","3","3","7","1") = "6"
    & skf21("6","4","7","5","3","4","1","1") = "6"
    & skf21("6","4","7","5","3","4","2","1") = "6"
    & skf21("6","4","7","5","3","4","3","1") = "6"
    & skf21("6","4","7","5","3","4","4","1") = "6"
    & skf21("6","4","7","5","3","4","5","1") = "6"
    & skf21("6","4","7","5","3","4","6","1") = "6"
    & skf21("6","4","7","5","3","4","7","1") = "6"
    & skf21("6","4","7","5","3","5","1","1") = "6"
    & skf21("6","4","7","5","3","5","2","1") = "6"
    & skf21("6","4","7","5","3","5","3","1") = "6"
    & skf21("6","4","7","5","3","5","4","1") = "6"
    & skf21("6","4","7","5","3","5","5","1") = "6"
    & skf21("6","4","7","5","3","5","6","1") = "6"
    & skf21("6","4","7","5","3","5","7","1") = "6"
    & skf21("6","4","7","5","3","6","1","1") = "6"
    & skf21("6","4","7","5","3","6","2","1") = "6"
    & skf21("6","4","7","5","3","6","3","1") = "6"
    & skf21("6","4","7","5","3","6","4","1") = "6"
    & skf21("6","4","7","5","3","6","5","1") = "6"
    & skf21("6","4","7","5","3","6","6","1") = "6"
    & skf21("6","4","7","5","3","6","7","1") = "6"
    & skf21("6","4","7","5","3","7","1","1") = "6"
    & skf21("6","4","7","5","3","7","2","1") = "6"
    & skf21("6","4","7","5","3","7","3","1") = "6"
    & skf21("6","4","7","5","3","7","4","1") = "6"
    & skf21("6","4","7","5","3","7","5","1") = "6"
    & skf21("6","4","7","5","3","7","6","1") = "6"
    & skf21("6","4","7","5","3","7","7","1") = "6"
    & skf21("6","4","7","5","4","1","1","1") = "6"
    & skf21("6","4","7","5","4","1","2","1") = "6"
    & skf21("6","4","7","5","4","1","3","1") = "6"
    & skf21("6","4","7","5","4","1","4","1") = "6"
    & skf21("6","4","7","5","4","1","5","1") = "6"
    & skf21("6","4","7","5","4","1","6","1") = "6"
    & skf21("6","4","7","5","4","1","7","1") = "6"
    & skf21("6","4","7","5","4","2","1","1") = "6"
    & skf21("6","4","7","5","4","2","2","1") = "6"
    & skf21("6","4","7","5","4","2","3","1") = "6"
    & skf21("6","4","7","5","4","2","4","1") = "6"
    & skf21("6","4","7","5","4","2","5","1") = "6"
    & skf21("6","4","7","5","4","2","6","1") = "6"
    & skf21("6","4","7","5","4","2","7","1") = "6"
    & skf21("6","4","7","5","4","3","1","1") = "6"
    & skf21("6","4","7","5","4","3","2","1") = "6"
    & skf21("6","4","7","5","4","3","3","1") = "6"
    & skf21("6","4","7","5","4","3","4","1") = "6"
    & skf21("6","4","7","5","4","3","5","1") = "6"
    & skf21("6","4","7","5","4","3","6","1") = "6"
    & skf21("6","4","7","5","4","3","7","1") = "6"
    & skf21("6","4","7","5","4","4","1","1") = "6"
    & skf21("6","4","7","5","4","4","2","1") = "6"
    & skf21("6","4","7","5","4","4","3","1") = "6"
    & skf21("6","4","7","5","4","4","4","1") = "6"
    & skf21("6","4","7","5","4","4","5","1") = "6"
    & skf21("6","4","7","5","4","4","6","1") = "6"
    & skf21("6","4","7","5","4","4","7","1") = "6"
    & skf21("6","4","7","5","4","5","1","1") = "6"
    & skf21("6","4","7","5","4","5","2","1") = "6"
    & skf21("6","4","7","5","4","5","3","1") = "6"
    & skf21("6","4","7","5","4","5","4","1") = "6"
    & skf21("6","4","7","5","4","5","5","1") = "6"
    & skf21("6","4","7","5","4","5","6","1") = "6"
    & skf21("6","4","7","5","4","5","7","1") = "6"
    & skf21("6","4","7","5","4","6","1","1") = "6"
    & skf21("6","4","7","5","4","6","2","1") = "6"
    & skf21("6","4","7","5","4","6","3","1") = "6"
    & skf21("6","4","7","5","4","6","4","1") = "6"
    & skf21("6","4","7","5","4","6","5","1") = "6"
    & skf21("6","4","7","5","4","6","6","1") = "6"
    & skf21("6","4","7","5","4","6","7","1") = "6"
    & skf21("6","4","7","5","4","7","1","1") = "6"
    & skf21("6","4","7","5","4","7","2","1") = "6"
    & skf21("6","4","7","5","4","7","3","1") = "6"
    & skf21("6","4","7","5","4","7","4","1") = "6"
    & skf21("6","4","7","5","4","7","5","1") = "6"
    & skf21("6","4","7","5","4","7","6","1") = "6"
    & skf21("6","4","7","5","4","7","7","1") = "6"
    & skf21("6","4","7","5","5","1","1","1") = "6"
    & skf21("6","4","7","5","5","1","2","1") = "6"
    & skf21("6","4","7","5","5","1","3","1") = "6"
    & skf21("6","4","7","5","5","1","4","1") = "6"
    & skf21("6","4","7","5","5","1","5","1") = "6"
    & skf21("6","4","7","5","5","1","6","1") = "6"
    & skf21("6","4","7","5","5","1","7","1") = "6"
    & skf21("6","4","7","5","5","2","1","1") = "6"
    & skf21("6","4","7","5","5","2","2","1") = "6"
    & skf21("6","4","7","5","5","2","3","1") = "6"
    & skf21("6","4","7","5","5","2","4","1") = "6"
    & skf21("6","4","7","5","5","2","5","1") = "6"
    & skf21("6","4","7","5","5","2","6","1") = "6"
    & skf21("6","4","7","5","5","2","7","1") = "6"
    & skf21("6","4","7","5","5","3","1","1") = "6"
    & skf21("6","4","7","5","5","3","2","1") = "6"
    & skf21("6","4","7","5","5","3","3","1") = "6"
    & skf21("6","4","7","5","5","3","4","1") = "6"
    & skf21("6","4","7","5","5","3","5","1") = "6"
    & skf21("6","4","7","5","5","3","6","1") = "6"
    & skf21("6","4","7","5","5","3","7","1") = "6"
    & skf21("6","4","7","5","5","4","1","1") = "6"
    & skf21("6","4","7","5","5","4","2","1") = "6"
    & skf21("6","4","7","5","5","4","3","1") = "6"
    & skf21("6","4","7","5","5","4","4","1") = "6"
    & skf21("6","4","7","5","5","4","5","1") = "6"
    & skf21("6","4","7","5","5","4","6","1") = "6"
    & skf21("6","4","7","5","5","4","7","1") = "6"
    & skf21("6","4","7","5","5","5","1","1") = "6"
    & skf21("6","4","7","5","5","5","2","1") = "6"
    & skf21("6","4","7","5","5","5","3","1") = "6"
    & skf21("6","4","7","5","5","5","4","1") = "6"
    & skf21("6","4","7","5","5","5","5","1") = "6"
    & skf21("6","4","7","5","5","5","6","1") = "6"
    & skf21("6","4","7","5","5","5","7","1") = "6"
    & skf21("6","4","7","5","5","6","1","1") = "6"
    & skf21("6","4","7","5","5","6","2","1") = "6"
    & skf21("6","4","7","5","5","6","3","1") = "6"
    & skf21("6","4","7","5","5","6","4","1") = "6"
    & skf21("6","4","7","5","5","6","5","1") = "6"
    & skf21("6","4","7","5","5","6","6","1") = "6"
    & skf21("6","4","7","5","5","6","7","1") = "6"
    & skf21("6","4","7","5","5","7","1","1") = "6"
    & skf21("6","4","7","5","5","7","2","1") = "6"
    & skf21("6","4","7","5","5","7","3","1") = "6"
    & skf21("6","4","7","5","5","7","4","1") = "6"
    & skf21("6","4","7","5","5","7","5","1") = "6"
    & skf21("6","4","7","5","5","7","6","1") = "6"
    & skf21("6","4","7","5","5","7","7","1") = "6"
    & skf21("6","4","7","5","6","1","1","1") = "6"
    & skf21("6","4","7","5","6","1","2","1") = "6"
    & skf21("6","4","7","5","6","1","3","1") = "6"
    & skf21("6","4","7","5","6","1","4","1") = "6"
    & skf21("6","4","7","5","6","1","5","1") = "6"
    & skf21("6","4","7","5","6","1","6","1") = "6"
    & skf21("6","4","7","5","6","1","7","1") = "6"
    & skf21("6","4","7","5","6","2","1","1") = "6"
    & skf21("6","4","7","5","6","2","2","1") = "6"
    & skf21("6","4","7","5","6","2","3","1") = "6"
    & skf21("6","4","7","5","6","2","4","1") = "6"
    & skf21("6","4","7","5","6","2","5","1") = "6"
    & skf21("6","4","7","5","6","2","6","1") = "6"
    & skf21("6","4","7","5","6","2","7","1") = "6"
    & skf21("6","4","7","5","6","3","1","1") = "6"
    & skf21("6","4","7","5","6","3","2","1") = "6"
    & skf21("6","4","7","5","6","3","3","1") = "6"
    & skf21("6","4","7","5","6","3","4","1") = "6"
    & skf21("6","4","7","5","6","3","5","1") = "6"
    & skf21("6","4","7","5","6","3","6","1") = "6"
    & skf21("6","4","7","5","6","3","7","1") = "6"
    & skf21("6","4","7","5","6","4","1","1") = "6"
    & skf21("6","4","7","5","6","4","2","1") = "6"
    & skf21("6","4","7","5","6","4","3","1") = "6"
    & skf21("6","4","7","5","6","4","4","1") = "6"
    & skf21("6","4","7","5","6","4","5","1") = "6"
    & skf21("6","4","7","5","6","4","6","1") = "6"
    & skf21("6","4","7","5","6","4","7","1") = "6"
    & skf21("6","4","7","5","6","5","1","1") = "6"
    & skf21("6","4","7","5","6","5","2","1") = "6"
    & skf21("6","4","7","5","6","5","3","1") = "6"
    & skf21("6","4","7","5","6","5","4","1") = "6"
    & skf21("6","4","7","5","6","5","5","1") = "6"
    & skf21("6","4","7","5","6","5","6","1") = "6"
    & skf21("6","4","7","5","6","5","7","1") = "6"
    & skf21("6","4","7","5","6","6","1","1") = "6"
    & skf21("6","4","7","5","6","6","2","1") = "6"
    & skf21("6","4","7","5","6","6","3","1") = "6"
    & skf21("6","4","7","5","6","6","4","1") = "6"
    & skf21("6","4","7","5","6","6","5","1") = "6"
    & skf21("6","4","7","5","6","6","6","1") = "6"
    & skf21("6","4","7","5","6","6","7","1") = "6"
    & skf21("6","4","7","5","6","7","1","1") = "6"
    & skf21("6","4","7","5","6","7","2","1") = "6"
    & skf21("6","4","7","5","6","7","3","1") = "6"
    & skf21("6","4","7","5","6","7","4","1") = "6"
    & skf21("6","4","7","5","6","7","5","1") = "6"
    & skf21("6","4","7","5","6","7","6","1") = "6"
    & skf21("6","4","7","5","6","7","7","1") = "6"
    & skf21("6","4","7","5","7","1","1","1") = "6"
    & skf21("6","4","7","5","7","1","2","1") = "6"
    & skf21("6","4","7","5","7","1","3","1") = "6"
    & skf21("6","4","7","5","7","1","4","1") = "6"
    & skf21("6","4","7","5","7","1","5","1") = "6"
    & skf21("6","4","7","5","7","1","6","1") = "6"
    & skf21("6","4","7","5","7","1","7","1") = "6"
    & skf21("6","4","7","5","7","2","1","1") = "6"
    & skf21("6","4","7","5","7","2","2","1") = "6"
    & skf21("6","4","7","5","7","2","3","1") = "6"
    & skf21("6","4","7","5","7","2","4","1") = "6"
    & skf21("6","4","7","5","7","2","5","1") = "6"
    & skf21("6","4","7","5","7","2","6","1") = "6"
    & skf21("6","4","7","5","7","2","7","1") = "6"
    & skf21("6","4","7","5","7","3","1","1") = "6"
    & skf21("6","4","7","5","7","3","2","1") = "6"
    & skf21("6","4","7","5","7","3","3","1") = "6"
    & skf21("6","4","7","5","7","3","4","1") = "6"
    & skf21("6","4","7","5","7","3","5","1") = "6"
    & skf21("6","4","7","5","7","3","6","1") = "6"
    & skf21("6","4","7","5","7","3","7","1") = "6"
    & skf21("6","4","7","5","7","4","1","1") = "6"
    & skf21("6","4","7","5","7","4","2","1") = "6"
    & skf21("6","4","7","5","7","4","3","1") = "6"
    & skf21("6","4","7","5","7","4","4","1") = "6"
    & skf21("6","4","7","5","7","4","5","1") = "6"
    & skf21("6","4","7","5","7","4","6","1") = "6"
    & skf21("6","4","7","5","7","4","7","1") = "6"
    & skf21("6","4","7","5","7","5","1","1") = "6"
    & skf21("6","4","7","5","7","5","2","1") = "6"
    & skf21("6","4","7","5","7","5","3","1") = "6"
    & skf21("6","4","7","5","7","5","4","1") = "6"
    & skf21("6","4","7","5","7","5","5","1") = "6"
    & skf21("6","4","7","5","7","5","6","1") = "6"
    & skf21("6","4","7","5","7","5","7","1") = "6"
    & skf21("6","4","7","5","7","6","1","1") = "6"
    & skf21("6","4","7","5","7","6","2","1") = "6"
    & skf21("6","4","7","5","7","6","3","1") = "6"
    & skf21("6","4","7","5","7","6","4","1") = "6"
    & skf21("6","4","7","5","7","6","5","1") = "6"
    & skf21("6","4","7","5","7","6","6","1") = "6"
    & skf21("6","4","7","5","7","6","7","1") = "6"
    & skf21("6","4","7","5","7","7","1","1") = "6"
    & skf21("6","4","7","5","7","7","2","1") = "6"
    & skf21("6","4","7","5","7","7","3","1") = "6"
    & skf21("6","4","7","5","7","7","4","1") = "6"
    & skf21("6","4","7","5","7","7","5","1") = "6"
    & skf21("6","4","7","5","7","7","6","1") = "6"
    & skf21("6","4","7","5","7","7","7","1") = "6"
    & skf21("6","4","7","6","1","1","1","1") = "6"
    & skf21("6","4","7","6","1","1","2","1") = "6"
    & skf21("6","4","7","6","1","1","3","1") = "6"
    & skf21("6","4","7","6","1","1","4","1") = "6"
    & skf21("6","4","7","6","1","1","5","1") = "6"
    & skf21("6","4","7","6","1","1","6","1") = "6"
    & skf21("6","4","7","6","1","1","7","1") = "6"
    & skf21("6","4","7","6","1","2","1","1") = "6"
    & skf21("6","4","7","6","1","2","2","1") = "6"
    & skf21("6","4","7","6","1","2","3","1") = "6"
    & skf21("6","4","7","6","1","2","4","1") = "6"
    & skf21("6","4","7","6","1","2","5","1") = "6"
    & skf21("6","4","7","6","1","2","6","1") = "6"
    & skf21("6","4","7","6","1","2","7","1") = "6"
    & skf21("6","4","7","6","1","3","1","1") = "6"
    & skf21("6","4","7","6","1","3","2","1") = "6"
    & skf21("6","4","7","6","1","3","3","1") = "6"
    & skf21("6","4","7","6","1","3","4","1") = "6"
    & skf21("6","4","7","6","1","3","5","1") = "6"
    & skf21("6","4","7","6","1","3","6","1") = "6"
    & skf21("6","4","7","6","1","3","7","1") = "6"
    & skf21("6","4","7","6","1","4","1","1") = "6"
    & skf21("6","4","7","6","1","4","2","1") = "6"
    & skf21("6","4","7","6","1","4","3","1") = "6"
    & skf21("6","4","7","6","1","4","4","1") = "6"
    & skf21("6","4","7","6","1","4","5","1") = "6"
    & skf21("6","4","7","6","1","4","6","1") = "6"
    & skf21("6","4","7","6","1","4","7","1") = "6"
    & skf21("6","4","7","6","1","5","1","1") = "6"
    & skf21("6","4","7","6","1","5","2","1") = "6"
    & skf21("6","4","7","6","1","5","3","1") = "6"
    & skf21("6","4","7","6","1","5","4","1") = "6"
    & skf21("6","4","7","6","1","5","5","1") = "6"
    & skf21("6","4","7","6","1","5","6","1") = "6"
    & skf21("6","4","7","6","1","5","7","1") = "6"
    & skf21("6","4","7","6","1","6","1","1") = "6"
    & skf21("6","4","7","6","1","6","2","1") = "6"
    & skf21("6","4","7","6","1","6","3","1") = "6"
    & skf21("6","4","7","6","1","6","4","1") = "6"
    & skf21("6","4","7","6","1","6","5","1") = "6"
    & skf21("6","4","7","6","1","6","6","1") = "6"
    & skf21("6","4","7","6","1","6","7","1") = "6"
    & skf21("6","4","7","6","1","7","1","1") = "6"
    & skf21("6","4","7","6","1","7","2","1") = "6"
    & skf21("6","4","7","6","1","7","3","1") = "6"
    & skf21("6","4","7","6","1","7","4","1") = "6"
    & skf21("6","4","7","6","1","7","5","1") = "6"
    & skf21("6","4","7","6","1","7","6","1") = "6"
    & skf21("6","4","7","6","1","7","7","1") = "6"
    & skf21("6","4","7","6","2","1","1","1") = "6"
    & skf21("6","4","7","6","2","1","2","1") = "6"
    & skf21("6","4","7","6","2","1","3","1") = "6"
    & skf21("6","4","7","6","2","1","4","1") = "6"
    & skf21("6","4","7","6","2","1","5","1") = "6"
    & skf21("6","4","7","6","2","1","6","1") = "6"
    & skf21("6","4","7","6","2","1","7","1") = "6"
    & skf21("6","4","7","6","2","2","1","1") = "6"
    & skf21("6","4","7","6","2","2","2","1") = "6"
    & skf21("6","4","7","6","2","2","3","1") = "6"
    & skf21("6","4","7","6","2","2","4","1") = "6"
    & skf21("6","4","7","6","2","2","5","1") = "6"
    & skf21("6","4","7","6","2","2","6","1") = "6"
    & skf21("6","4","7","6","2","2","7","1") = "6"
    & skf21("6","4","7","6","2","3","1","1") = "6"
    & skf21("6","4","7","6","2","3","2","1") = "6"
    & skf21("6","4","7","6","2","3","3","1") = "6"
    & skf21("6","4","7","6","2","3","4","1") = "6"
    & skf21("6","4","7","6","2","3","5","1") = "6"
    & skf21("6","4","7","6","2","3","6","1") = "6"
    & skf21("6","4","7","6","2","3","7","1") = "6"
    & skf21("6","4","7","6","2","4","1","1") = "6"
    & skf21("6","4","7","6","2","4","2","1") = "6"
    & skf21("6","4","7","6","2","4","3","1") = "6"
    & skf21("6","4","7","6","2","4","4","1") = "6"
    & skf21("6","4","7","6","2","4","5","1") = "6"
    & skf21("6","4","7","6","2","4","6","1") = "6"
    & skf21("6","4","7","6","2","4","7","1") = "6"
    & skf21("6","4","7","6","2","5","1","1") = "6"
    & skf21("6","4","7","6","2","5","2","1") = "6"
    & skf21("6","4","7","6","2","5","3","1") = "6"
    & skf21("6","4","7","6","2","5","4","1") = "6"
    & skf21("6","4","7","6","2","5","5","1") = "6"
    & skf21("6","4","7","6","2","5","6","1") = "6"
    & skf21("6","4","7","6","2","5","7","1") = "6"
    & skf21("6","4","7","6","2","6","1","1") = "6"
    & skf21("6","4","7","6","2","6","2","1") = "6"
    & skf21("6","4","7","6","2","6","3","1") = "6"
    & skf21("6","4","7","6","2","6","4","1") = "6"
    & skf21("6","4","7","6","2","6","5","1") = "6"
    & skf21("6","4","7","6","2","6","6","1") = "6"
    & skf21("6","4","7","6","2","6","7","1") = "6"
    & skf21("6","4","7","6","2","7","1","1") = "6"
    & skf21("6","4","7","6","2","7","2","1") = "6"
    & skf21("6","4","7","6","2","7","3","1") = "6"
    & skf21("6","4","7","6","2","7","4","1") = "6"
    & skf21("6","4","7","6","2","7","5","1") = "6"
    & skf21("6","4","7","6","2","7","6","1") = "6"
    & skf21("6","4","7","6","2","7","7","1") = "6"
    & skf21("6","4","7","6","3","1","1","1") = "6"
    & skf21("6","4","7","6","3","1","2","1") = "6"
    & skf21("6","4","7","6","3","1","3","1") = "6"
    & skf21("6","4","7","6","3","1","4","1") = "6"
    & skf21("6","4","7","6","3","1","5","1") = "6"
    & skf21("6","4","7","6","3","1","6","1") = "6"
    & skf21("6","4","7","6","3","1","7","1") = "6"
    & skf21("6","4","7","6","3","2","1","1") = "6"
    & skf21("6","4","7","6","3","2","2","1") = "6"
    & skf21("6","4","7","6","3","2","3","1") = "6"
    & skf21("6","4","7","6","3","2","4","1") = "6"
    & skf21("6","4","7","6","3","2","5","1") = "6"
    & skf21("6","4","7","6","3","2","6","1") = "6"
    & skf21("6","4","7","6","3","2","7","1") = "6"
    & skf21("6","4","7","6","3","3","1","1") = "6"
    & skf21("6","4","7","6","3","3","2","1") = "6"
    & skf21("6","4","7","6","3","3","3","1") = "6"
    & skf21("6","4","7","6","3","3","4","1") = "6"
    & skf21("6","4","7","6","3","3","5","1") = "6"
    & skf21("6","4","7","6","3","3","6","1") = "6"
    & skf21("6","4","7","6","3","3","7","1") = "6"
    & skf21("6","4","7","6","3","4","1","1") = "6"
    & skf21("6","4","7","6","3","4","2","1") = "6"
    & skf21("6","4","7","6","3","4","3","1") = "6"
    & skf21("6","4","7","6","3","4","4","1") = "6"
    & skf21("6","4","7","6","3","4","5","1") = "6"
    & skf21("6","4","7","6","3","4","6","1") = "6"
    & skf21("6","4","7","6","3","4","7","1") = "6"
    & skf21("6","4","7","6","3","5","1","1") = "6"
    & skf21("6","4","7","6","3","5","2","1") = "6"
    & skf21("6","4","7","6","3","5","3","1") = "6"
    & skf21("6","4","7","6","3","5","4","1") = "6"
    & skf21("6","4","7","6","3","5","5","1") = "6"
    & skf21("6","4","7","6","3","5","6","1") = "6"
    & skf21("6","4","7","6","3","5","7","1") = "6"
    & skf21("6","4","7","6","3","6","1","1") = "6"
    & skf21("6","4","7","6","3","6","2","1") = "6"
    & skf21("6","4","7","6","3","6","3","1") = "6"
    & skf21("6","4","7","6","3","6","4","1") = "6"
    & skf21("6","4","7","6","3","6","5","1") = "6"
    & skf21("6","4","7","6","3","6","6","1") = "6"
    & skf21("6","4","7","6","3","6","7","1") = "6"
    & skf21("6","4","7","6","3","7","1","1") = "6"
    & skf21("6","4","7","6","3","7","2","1") = "6"
    & skf21("6","4","7","6","3","7","3","1") = "6"
    & skf21("6","4","7","6","3","7","4","1") = "6"
    & skf21("6","4","7","6","3","7","5","1") = "6"
    & skf21("6","4","7","6","3","7","6","1") = "6"
    & skf21("6","4","7","6","3","7","7","1") = "6"
    & skf21("6","4","7","6","4","1","1","1") = "6"
    & skf21("6","4","7","6","4","1","2","1") = "6"
    & skf21("6","4","7","6","4","1","3","1") = "6"
    & skf21("6","4","7","6","4","1","4","1") = "6"
    & skf21("6","4","7","6","4","1","5","1") = "6"
    & skf21("6","4","7","6","4","1","6","1") = "6"
    & skf21("6","4","7","6","4","1","7","1") = "6"
    & skf21("6","4","7","6","4","2","1","1") = "6"
    & skf21("6","4","7","6","4","2","2","1") = "6"
    & skf21("6","4","7","6","4","2","3","1") = "6"
    & skf21("6","4","7","6","4","2","4","1") = "6"
    & skf21("6","4","7","6","4","2","5","1") = "6"
    & skf21("6","4","7","6","4","2","6","1") = "6"
    & skf21("6","4","7","6","4","2","7","1") = "6"
    & skf21("6","4","7","6","4","3","1","1") = "6"
    & skf21("6","4","7","6","4","3","2","1") = "6"
    & skf21("6","4","7","6","4","3","3","1") = "6"
    & skf21("6","4","7","6","4","3","4","1") = "6"
    & skf21("6","4","7","6","4","3","5","1") = "6"
    & skf21("6","4","7","6","4","3","6","1") = "6"
    & skf21("6","4","7","6","4","3","7","1") = "6"
    & skf21("6","4","7","6","4","4","1","1") = "6"
    & skf21("6","4","7","6","4","4","2","1") = "6"
    & skf21("6","4","7","6","4","4","3","1") = "6"
    & skf21("6","4","7","6","4","4","4","1") = "6"
    & skf21("6","4","7","6","4","4","5","1") = "6"
    & skf21("6","4","7","6","4","4","6","1") = "6"
    & skf21("6","4","7","6","4","4","7","1") = "6"
    & skf21("6","4","7","6","4","5","1","1") = "6"
    & skf21("6","4","7","6","4","5","2","1") = "6"
    & skf21("6","4","7","6","4","5","3","1") = "6"
    & skf21("6","4","7","6","4","5","4","1") = "6"
    & skf21("6","4","7","6","4","5","5","1") = "6"
    & skf21("6","4","7","6","4","5","6","1") = "6"
    & skf21("6","4","7","6","4","5","7","1") = "6"
    & skf21("6","4","7","6","4","6","1","1") = "6"
    & skf21("6","4","7","6","4","6","2","1") = "6"
    & skf21("6","4","7","6","4","6","3","1") = "6"
    & skf21("6","4","7","6","4","6","4","1") = "6"
    & skf21("6","4","7","6","4","6","5","1") = "6"
    & skf21("6","4","7","6","4","6","6","1") = "6"
    & skf21("6","4","7","6","4","6","7","1") = "6"
    & skf21("6","4","7","6","4","7","1","1") = "6"
    & skf21("6","4","7","6","4","7","2","1") = "6"
    & skf21("6","4","7","6","4","7","3","1") = "6"
    & skf21("6","4","7","6","4","7","4","1") = "6"
    & skf21("6","4","7","6","4","7","5","1") = "6"
    & skf21("6","4","7","6","4","7","6","1") = "6"
    & skf21("6","4","7","6","4","7","7","1") = "6"
    & skf21("6","4","7","6","5","1","1","1") = "6"
    & skf21("6","4","7","6","5","1","2","1") = "6"
    & skf21("6","4","7","6","5","1","3","1") = "6"
    & skf21("6","4","7","6","5","1","4","1") = "6"
    & skf21("6","4","7","6","5","1","5","1") = "6"
    & skf21("6","4","7","6","5","1","6","1") = "6"
    & skf21("6","4","7","6","5","1","7","1") = "6"
    & skf21("6","4","7","6","5","2","1","1") = "6"
    & skf21("6","4","7","6","5","2","2","1") = "6"
    & skf21("6","4","7","6","5","2","3","1") = "6"
    & skf21("6","4","7","6","5","2","4","1") = "6"
    & skf21("6","4","7","6","5","2","5","1") = "6"
    & skf21("6","4","7","6","5","2","6","1") = "6"
    & skf21("6","4","7","6","5","2","7","1") = "6"
    & skf21("6","4","7","6","5","3","1","1") = "6"
    & skf21("6","4","7","6","5","3","2","1") = "6"
    & skf21("6","4","7","6","5","3","3","1") = "6"
    & skf21("6","4","7","6","5","3","4","1") = "6"
    & skf21("6","4","7","6","5","3","5","1") = "6"
    & skf21("6","4","7","6","5","3","6","1") = "6"
    & skf21("6","4","7","6","5","3","7","1") = "6"
    & skf21("6","4","7","6","5","4","1","1") = "6"
    & skf21("6","4","7","6","5","4","2","1") = "6"
    & skf21("6","4","7","6","5","4","3","1") = "6"
    & skf21("6","4","7","6","5","4","4","1") = "6"
    & skf21("6","4","7","6","5","4","5","1") = "6"
    & skf21("6","4","7","6","5","4","6","1") = "6"
    & skf21("6","4","7","6","5","4","7","1") = "6"
    & skf21("6","4","7","6","5","5","1","1") = "6"
    & skf21("6","4","7","6","5","5","2","1") = "6"
    & skf21("6","4","7","6","5","5","3","1") = "6"
    & skf21("6","4","7","6","5","5","4","1") = "6"
    & skf21("6","4","7","6","5","5","5","1") = "6"
    & skf21("6","4","7","6","5","5","6","1") = "6"
    & skf21("6","4","7","6","5","5","7","1") = "6"
    & skf21("6","4","7","6","5","6","1","1") = "6"
    & skf21("6","4","7","6","5","6","2","1") = "6"
    & skf21("6","4","7","6","5","6","3","1") = "6"
    & skf21("6","4","7","6","5","6","4","1") = "6"
    & skf21("6","4","7","6","5","6","5","1") = "6"
    & skf21("6","4","7","6","5","6","6","1") = "6"
    & skf21("6","4","7","6","5","6","7","1") = "6"
    & skf21("6","4","7","6","5","7","1","1") = "6"
    & skf21("6","4","7","6","5","7","2","1") = "6"
    & skf21("6","4","7","6","5","7","3","1") = "6"
    & skf21("6","4","7","6","5","7","4","1") = "6"
    & skf21("6","4","7","6","5","7","5","1") = "6"
    & skf21("6","4","7","6","5","7","6","1") = "6"
    & skf21("6","4","7","6","5","7","7","1") = "6"
    & skf21("6","4","7","6","6","1","1","1") = "6"
    & skf21("6","4","7","6","6","1","2","1") = "6"
    & skf21("6","4","7","6","6","1","3","1") = "6"
    & skf21("6","4","7","6","6","1","4","1") = "6"
    & skf21("6","4","7","6","6","1","5","1") = "6"
    & skf21("6","4","7","6","6","1","6","1") = "6"
    & skf21("6","4","7","6","6","1","7","1") = "6"
    & skf21("6","4","7","6","6","2","1","1") = "6"
    & skf21("6","4","7","6","6","2","2","1") = "6"
    & skf21("6","4","7","6","6","2","3","1") = "6"
    & skf21("6","4","7","6","6","2","4","1") = "6"
    & skf21("6","4","7","6","6","2","5","1") = "6"
    & skf21("6","4","7","6","6","2","6","1") = "6"
    & skf21("6","4","7","6","6","2","7","1") = "6"
    & skf21("6","4","7","6","6","3","1","1") = "6"
    & skf21("6","4","7","6","6","3","2","1") = "6"
    & skf21("6","4","7","6","6","3","3","1") = "6"
    & skf21("6","4","7","6","6","3","4","1") = "6"
    & skf21("6","4","7","6","6","3","5","1") = "6"
    & skf21("6","4","7","6","6","3","6","1") = "6"
    & skf21("6","4","7","6","6","3","7","1") = "6"
    & skf21("6","4","7","6","6","4","1","1") = "6"
    & skf21("6","4","7","6","6","4","2","1") = "6"
    & skf21("6","4","7","6","6","4","3","1") = "6"
    & skf21("6","4","7","6","6","4","4","1") = "6"
    & skf21("6","4","7","6","6","4","5","1") = "6"
    & skf21("6","4","7","6","6","4","6","1") = "6"
    & skf21("6","4","7","6","6","4","7","1") = "6"
    & skf21("6","4","7","6","6","5","1","1") = "6"
    & skf21("6","4","7","6","6","5","2","1") = "6"
    & skf21("6","4","7","6","6","5","3","1") = "6"
    & skf21("6","4","7","6","6","5","4","1") = "6"
    & skf21("6","4","7","6","6","5","5","1") = "6"
    & skf21("6","4","7","6","6","5","6","1") = "6"
    & skf21("6","4","7","6","6","5","7","1") = "6"
    & skf21("6","4","7","6","6","6","1","1") = "6"
    & skf21("6","4","7","6","6","6","2","1") = "6"
    & skf21("6","4","7","6","6","6","3","1") = "6"
    & skf21("6","4","7","6","6","6","4","1") = "6"
    & skf21("6","4","7","6","6","6","5","1") = "6"
    & skf21("6","4","7","6","6","6","6","1") = "6"
    & skf21("6","4","7","6","6","6","7","1") = "6"
    & skf21("6","4","7","6","6","7","1","1") = "6"
    & skf21("6","4","7","6","6","7","2","1") = "6"
    & skf21("6","4","7","6","6","7","3","1") = "6"
    & skf21("6","4","7","6","6","7","4","1") = "6"
    & skf21("6","4","7","6","6","7","5","1") = "6"
    & skf21("6","4","7","6","6","7","6","1") = "6"
    & skf21("6","4","7","6","6","7","7","1") = "6"
    & skf21("6","4","7","6","7","1","1","1") = "6"
    & skf21("6","4","7","6","7","1","2","1") = "6"
    & skf21("6","4","7","6","7","1","3","1") = "6"
    & skf21("6","4","7","6","7","1","4","1") = "6"
    & skf21("6","4","7","6","7","1","5","1") = "6"
    & skf21("6","4","7","6","7","1","6","1") = "6"
    & skf21("6","4","7","6","7","1","7","1") = "6"
    & skf21("6","4","7","6","7","2","1","1") = "6"
    & skf21("6","4","7","6","7","2","2","1") = "6"
    & skf21("6","4","7","6","7","2","3","1") = "6"
    & skf21("6","4","7","6","7","2","4","1") = "6"
    & skf21("6","4","7","6","7","2","5","1") = "6"
    & skf21("6","4","7","6","7","2","6","1") = "6"
    & skf21("6","4","7","6","7","2","7","1") = "6"
    & skf21("6","4","7","6","7","3","1","1") = "6"
    & skf21("6","4","7","6","7","3","2","1") = "6"
    & skf21("6","4","7","6","7","3","3","1") = "6"
    & skf21("6","4","7","6","7","3","4","1") = "6"
    & skf21("6","4","7","6","7","3","5","1") = "6"
    & skf21("6","4","7","6","7","3","6","1") = "6"
    & skf21("6","4","7","6","7","3","7","1") = "6"
    & skf21("6","4","7","6","7","4","1","1") = "6"
    & skf21("6","4","7","6","7","4","2","1") = "6"
    & skf21("6","4","7","6","7","4","3","1") = "6"
    & skf21("6","4","7","6","7","4","4","1") = "6"
    & skf21("6","4","7","6","7","4","5","1") = "6"
    & skf21("6","4","7","6","7","4","6","1") = "6"
    & skf21("6","4","7","6","7","4","7","1") = "6"
    & skf21("6","4","7","6","7","5","1","1") = "6"
    & skf21("6","4","7","6","7","5","2","1") = "6"
    & skf21("6","4","7","6","7","5","3","1") = "6"
    & skf21("6","4","7","6","7","5","4","1") = "6"
    & skf21("6","4","7","6","7","5","5","1") = "6"
    & skf21("6","4","7","6","7","5","6","1") = "6"
    & skf21("6","4","7","6","7","5","7","1") = "6"
    & skf21("6","4","7","6","7","6","1","1") = "6"
    & skf21("6","4","7","6","7","6","2","1") = "6"
    & skf21("6","4","7","6","7","6","3","1") = "6"
    & skf21("6","4","7","6","7","6","4","1") = "6"
    & skf21("6","4","7","6","7","6","5","1") = "6"
    & skf21("6","4","7","6","7","6","6","1") = "6"
    & skf21("6","4","7","6","7","6","7","1") = "6"
    & skf21("6","4","7","6","7","7","1","1") = "6"
    & skf21("6","4","7","6","7","7","2","1") = "6"
    & skf21("6","4","7","6","7","7","3","1") = "6"
    & skf21("6","4","7","6","7","7","4","1") = "6"
    & skf21("6","4","7","6","7","7","5","1") = "6"
    & skf21("6","4","7","6","7","7","6","1") = "6"
    & skf21("6","4","7","6","7","7","7","1") = "6"
    & skf21("6","4","7","7","1","1","1","1") = "6"
    & skf21("6","4","7","7","1","1","2","1") = "6"
    & skf21("6","4","7","7","1","1","3","1") = "6"
    & skf21("6","4","7","7","1","1","4","1") = "6"
    & skf21("6","4","7","7","1","1","5","1") = "6"
    & skf21("6","4","7","7","1","1","6","1") = "6"
    & skf21("6","4","7","7","1","1","7","1") = "6"
    & skf21("6","4","7","7","1","2","1","1") = "6"
    & skf21("6","4","7","7","1","2","2","1") = "6"
    & skf21("6","4","7","7","1","2","3","1") = "6"
    & skf21("6","4","7","7","1","2","4","1") = "6"
    & skf21("6","4","7","7","1","2","5","1") = "6"
    & skf21("6","4","7","7","1","2","6","1") = "6"
    & skf21("6","4","7","7","1","2","7","1") = "6"
    & skf21("6","4","7","7","1","3","1","1") = "6"
    & skf21("6","4","7","7","1","3","2","1") = "6"
    & skf21("6","4","7","7","1","3","3","1") = "6"
    & skf21("6","4","7","7","1","3","4","1") = "6"
    & skf21("6","4","7","7","1","3","5","1") = "6"
    & skf21("6","4","7","7","1","3","6","1") = "6"
    & skf21("6","4","7","7","1","3","7","1") = "6"
    & skf21("6","4","7","7","1","4","1","1") = "6"
    & skf21("6","4","7","7","1","4","2","1") = "6"
    & skf21("6","4","7","7","1","4","3","1") = "6"
    & skf21("6","4","7","7","1","4","4","1") = "6"
    & skf21("6","4","7","7","1","4","5","1") = "6"
    & skf21("6","4","7","7","1","4","6","1") = "6"
    & skf21("6","4","7","7","1","4","7","1") = "6"
    & skf21("6","4","7","7","1","5","1","1") = "6"
    & skf21("6","4","7","7","1","5","2","1") = "6"
    & skf21("6","4","7","7","1","5","3","1") = "6"
    & skf21("6","4","7","7","1","5","4","1") = "6"
    & skf21("6","4","7","7","1","5","5","1") = "6"
    & skf21("6","4","7","7","1","5","6","1") = "6"
    & skf21("6","4","7","7","1","5","7","1") = "6"
    & skf21("6","4","7","7","1","6","1","1") = "6"
    & skf21("6","4","7","7","1","6","2","1") = "6"
    & skf21("6","4","7","7","1","6","3","1") = "6"
    & skf21("6","4","7","7","1","6","4","1") = "6"
    & skf21("6","4","7","7","1","6","5","1") = "6"
    & skf21("6","4","7","7","1","6","6","1") = "6"
    & skf21("6","4","7","7","1","6","7","1") = "6"
    & skf21("6","4","7","7","1","7","1","1") = "6"
    & skf21("6","4","7","7","1","7","2","1") = "6"
    & skf21("6","4","7","7","1","7","3","1") = "6"
    & skf21("6","4","7","7","1","7","4","1") = "6"
    & skf21("6","4","7","7","1","7","5","1") = "6"
    & skf21("6","4","7","7","1","7","6","1") = "6"
    & skf21("6","4","7","7","1","7","7","1") = "6"
    & skf21("6","4","7","7","2","1","1","1") = "6"
    & skf21("6","4","7","7","2","1","2","1") = "6"
    & skf21("6","4","7","7","2","1","3","1") = "6"
    & skf21("6","4","7","7","2","1","4","1") = "6"
    & skf21("6","4","7","7","2","1","5","1") = "6"
    & skf21("6","4","7","7","2","1","6","1") = "6"
    & skf21("6","4","7","7","2","1","7","1") = "6"
    & skf21("6","4","7","7","2","2","1","1") = "6"
    & skf21("6","4","7","7","2","2","2","1") = "6"
    & skf21("6","4","7","7","2","2","3","1") = "6"
    & skf21("6","4","7","7","2","2","4","1") = "6"
    & skf21("6","4","7","7","2","2","5","1") = "6"
    & skf21("6","4","7","7","2","2","6","1") = "6"
    & skf21("6","4","7","7","2","2","7","1") = "6"
    & skf21("6","4","7","7","2","3","1","1") = "6"
    & skf21("6","4","7","7","2","3","2","1") = "6"
    & skf21("6","4","7","7","2","3","3","1") = "6"
    & skf21("6","4","7","7","2","3","4","1") = "6"
    & skf21("6","4","7","7","2","3","5","1") = "6"
    & skf21("6","4","7","7","2","3","6","1") = "6"
    & skf21("6","4","7","7","2","3","7","1") = "6"
    & skf21("6","4","7","7","2","4","1","1") = "6"
    & skf21("6","4","7","7","2","4","2","1") = "6"
    & skf21("6","4","7","7","2","4","3","1") = "6"
    & skf21("6","4","7","7","2","4","4","1") = "6"
    & skf21("6","4","7","7","2","4","5","1") = "6"
    & skf21("6","4","7","7","2","4","6","1") = "6"
    & skf21("6","4","7","7","2","4","7","1") = "6"
    & skf21("6","4","7","7","2","5","1","1") = "6"
    & skf21("6","4","7","7","2","5","2","1") = "6"
    & skf21("6","4","7","7","2","5","3","1") = "6"
    & skf21("6","4","7","7","2","5","4","1") = "6"
    & skf21("6","4","7","7","2","5","5","1") = "6"
    & skf21("6","4","7","7","2","5","6","1") = "6"
    & skf21("6","4","7","7","2","5","7","1") = "6"
    & skf21("6","4","7","7","2","6","1","1") = "6"
    & skf21("6","4","7","7","2","6","2","1") = "6"
    & skf21("6","4","7","7","2","6","3","1") = "6"
    & skf21("6","4","7","7","2","6","4","1") = "6"
    & skf21("6","4","7","7","2","6","5","1") = "6"
    & skf21("6","4","7","7","2","6","6","1") = "6"
    & skf21("6","4","7","7","2","6","7","1") = "6"
    & skf21("6","4","7","7","2","7","1","1") = "6"
    & skf21("6","4","7","7","2","7","2","1") = "6"
    & skf21("6","4","7","7","2","7","3","1") = "6"
    & skf21("6","4","7","7","2","7","4","1") = "6"
    & skf21("6","4","7","7","2","7","5","1") = "6"
    & skf21("6","4","7","7","2","7","6","1") = "6"
    & skf21("6","4","7","7","2","7","7","1") = "6"
    & skf21("6","4","7","7","3","1","1","1") = "6"
    & skf21("6","4","7","7","3","1","2","1") = "6"
    & skf21("6","4","7","7","3","1","3","1") = "6"
    & skf21("6","4","7","7","3","1","4","1") = "6"
    & skf21("6","4","7","7","3","1","5","1") = "6"
    & skf21("6","4","7","7","3","1","6","1") = "6"
    & skf21("6","4","7","7","3","1","7","1") = "6"
    & skf21("6","4","7","7","3","2","1","1") = "6"
    & skf21("6","4","7","7","3","2","2","1") = "6"
    & skf21("6","4","7","7","3","2","3","1") = "6"
    & skf21("6","4","7","7","3","2","4","1") = "6"
    & skf21("6","4","7","7","3","2","5","1") = "6"
    & skf21("6","4","7","7","3","2","6","1") = "6"
    & skf21("6","4","7","7","3","2","7","1") = "6"
    & skf21("6","4","7","7","3","3","1","1") = "6"
    & skf21("6","4","7","7","3","3","2","1") = "6"
    & skf21("6","4","7","7","3","3","3","1") = "6"
    & skf21("6","4","7","7","3","3","4","1") = "6"
    & skf21("6","4","7","7","3","3","5","1") = "6"
    & skf21("6","4","7","7","3","3","6","1") = "6"
    & skf21("6","4","7","7","3","3","7","1") = "6"
    & skf21("6","4","7","7","3","4","1","1") = "6"
    & skf21("6","4","7","7","3","4","2","1") = "6"
    & skf21("6","4","7","7","3","4","3","1") = "6"
    & skf21("6","4","7","7","3","4","4","1") = "6"
    & skf21("6","4","7","7","3","4","5","1") = "6"
    & skf21("6","4","7","7","3","4","6","1") = "6"
    & skf21("6","4","7","7","3","4","7","1") = "6"
    & skf21("6","4","7","7","3","5","1","1") = "6"
    & skf21("6","4","7","7","3","5","2","1") = "6"
    & skf21("6","4","7","7","3","5","3","1") = "6"
    & skf21("6","4","7","7","3","5","4","1") = "6"
    & skf21("6","4","7","7","3","5","5","1") = "6"
    & skf21("6","4","7","7","3","5","6","1") = "6"
    & skf21("6","4","7","7","3","5","7","1") = "6"
    & skf21("6","4","7","7","3","6","1","1") = "6"
    & skf21("6","4","7","7","3","6","2","1") = "6"
    & skf21("6","4","7","7","3","6","3","1") = "6"
    & skf21("6","4","7","7","3","6","4","1") = "6"
    & skf21("6","4","7","7","3","6","5","1") = "6"
    & skf21("6","4","7","7","3","6","6","1") = "6"
    & skf21("6","4","7","7","3","6","7","1") = "6"
    & skf21("6","4","7","7","3","7","1","1") = "6"
    & skf21("6","4","7","7","3","7","2","1") = "6"
    & skf21("6","4","7","7","3","7","3","1") = "6"
    & skf21("6","4","7","7","3","7","4","1") = "6"
    & skf21("6","4","7","7","3","7","5","1") = "6"
    & skf21("6","4","7","7","3","7","6","1") = "6"
    & skf21("6","4","7","7","3","7","7","1") = "6"
    & skf21("6","4","7","7","4","1","1","1") = "6"
    & skf21("6","4","7","7","4","1","2","1") = "6"
    & skf21("6","4","7","7","4","1","3","1") = "6"
    & skf21("6","4","7","7","4","1","4","1") = "6"
    & skf21("6","4","7","7","4","1","5","1") = "6"
    & skf21("6","4","7","7","4","1","6","1") = "6"
    & skf21("6","4","7","7","4","1","7","1") = "6"
    & skf21("6","4","7","7","4","2","1","1") = "6"
    & skf21("6","4","7","7","4","2","2","1") = "6"
    & skf21("6","4","7","7","4","2","3","1") = "6"
    & skf21("6","4","7","7","4","2","4","1") = "6"
    & skf21("6","4","7","7","4","2","5","1") = "6"
    & skf21("6","4","7","7","4","2","6","1") = "6"
    & skf21("6","4","7","7","4","2","7","1") = "6"
    & skf21("6","4","7","7","4","3","1","1") = "6"
    & skf21("6","4","7","7","4","3","2","1") = "6"
    & skf21("6","4","7","7","4","3","3","1") = "6"
    & skf21("6","4","7","7","4","3","4","1") = "6"
    & skf21("6","4","7","7","4","3","5","1") = "6"
    & skf21("6","4","7","7","4","3","6","1") = "6"
    & skf21("6","4","7","7","4","3","7","1") = "6"
    & skf21("6","4","7","7","4","4","1","1") = "6"
    & skf21("6","4","7","7","4","4","2","1") = "6"
    & skf21("6","4","7","7","4","4","3","1") = "6"
    & skf21("6","4","7","7","4","4","4","1") = "6"
    & skf21("6","4","7","7","4","4","5","1") = "6"
    & skf21("6","4","7","7","4","4","6","1") = "6"
    & skf21("6","4","7","7","4","4","7","1") = "6"
    & skf21("6","4","7","7","4","5","1","1") = "6"
    & skf21("6","4","7","7","4","5","2","1") = "6"
    & skf21("6","4","7","7","4","5","3","1") = "6"
    & skf21("6","4","7","7","4","5","4","1") = "6"
    & skf21("6","4","7","7","4","5","5","1") = "6"
    & skf21("6","4","7","7","4","5","6","1") = "6"
    & skf21("6","4","7","7","4","5","7","1") = "6"
    & skf21("6","4","7","7","4","6","1","1") = "6"
    & skf21("6","4","7","7","4","6","2","1") = "6"
    & skf21("6","4","7","7","4","6","3","1") = "6"
    & skf21("6","4","7","7","4","6","4","1") = "6"
    & skf21("6","4","7","7","4","6","5","1") = "6"
    & skf21("6","4","7","7","4","6","6","1") = "6"
    & skf21("6","4","7","7","4","6","7","1") = "6"
    & skf21("6","4","7","7","4","7","1","1") = "6"
    & skf21("6","4","7","7","4","7","2","1") = "6"
    & skf21("6","4","7","7","4","7","3","1") = "6"
    & skf21("6","4","7","7","4","7","4","1") = "6"
    & skf21("6","4","7","7","4","7","5","1") = "6"
    & skf21("6","4","7","7","4","7","6","1") = "6"
    & skf21("6","4","7","7","4","7","7","1") = "6"
    & skf21("6","4","7","7","5","1","1","1") = "6"
    & skf21("6","4","7","7","5","1","2","1") = "6"
    & skf21("6","4","7","7","5","1","3","1") = "6"
    & skf21("6","4","7","7","5","1","4","1") = "6"
    & skf21("6","4","7","7","5","1","5","1") = "6"
    & skf21("6","4","7","7","5","1","6","1") = "6"
    & skf21("6","4","7","7","5","1","7","1") = "6"
    & skf21("6","4","7","7","5","2","1","1") = "6"
    & skf21("6","4","7","7","5","2","2","1") = "6"
    & skf21("6","4","7","7","5","2","3","1") = "6"
    & skf21("6","4","7","7","5","2","4","1") = "6"
    & skf21("6","4","7","7","5","2","5","1") = "6"
    & skf21("6","4","7","7","5","2","6","1") = "6"
    & skf21("6","4","7","7","5","2","7","1") = "6"
    & skf21("6","4","7","7","5","3","1","1") = "6"
    & skf21("6","4","7","7","5","3","2","1") = "6"
    & skf21("6","4","7","7","5","3","3","1") = "6"
    & skf21("6","4","7","7","5","3","4","1") = "6"
    & skf21("6","4","7","7","5","3","5","1") = "6"
    & skf21("6","4","7","7","5","3","6","1") = "6"
    & skf21("6","4","7","7","5","3","7","1") = "6"
    & skf21("6","4","7","7","5","4","1","1") = "6"
    & skf21("6","4","7","7","5","4","2","1") = "6"
    & skf21("6","4","7","7","5","4","3","1") = "6"
    & skf21("6","4","7","7","5","4","4","1") = "6"
    & skf21("6","4","7","7","5","4","5","1") = "6"
    & skf21("6","4","7","7","5","4","6","1") = "6"
    & skf21("6","4","7","7","5","4","7","1") = "6"
    & skf21("6","4","7","7","5","5","1","1") = "6"
    & skf21("6","4","7","7","5","5","2","1") = "6"
    & skf21("6","4","7","7","5","5","3","1") = "6"
    & skf21("6","4","7","7","5","5","4","1") = "6"
    & skf21("6","4","7","7","5","5","5","1") = "6"
    & skf21("6","4","7","7","5","5","6","1") = "6"
    & skf21("6","4","7","7","5","5","7","1") = "6"
    & skf21("6","4","7","7","5","6","1","1") = "6"
    & skf21("6","4","7","7","5","6","2","1") = "6"
    & skf21("6","4","7","7","5","6","3","1") = "6"
    & skf21("6","4","7","7","5","6","4","1") = "6"
    & skf21("6","4","7","7","5","6","5","1") = "6"
    & skf21("6","4","7","7","5","6","6","1") = "6"
    & skf21("6","4","7","7","5","6","7","1") = "6"
    & skf21("6","4","7","7","5","7","1","1") = "6"
    & skf21("6","4","7","7","5","7","2","1") = "6"
    & skf21("6","4","7","7","5","7","3","1") = "6"
    & skf21("6","4","7","7","5","7","4","1") = "6"
    & skf21("6","4","7","7","5","7","5","1") = "6"
    & skf21("6","4","7","7","5","7","6","1") = "6"
    & skf21("6","4","7","7","5","7","7","1") = "6"
    & skf21("6","4","7","7","6","1","1","1") = "6"
    & skf21("6","4","7","7","6","1","2","1") = "6"
    & skf21("6","4","7","7","6","1","3","1") = "6"
    & skf21("6","4","7","7","6","1","4","1") = "6"
    & skf21("6","4","7","7","6","1","5","1") = "6"
    & skf21("6","4","7","7","6","1","6","1") = "6"
    & skf21("6","4","7","7","6","1","7","1") = "6"
    & skf21("6","4","7","7","6","2","1","1") = "6"
    & skf21("6","4","7","7","6","2","2","1") = "6"
    & skf21("6","4","7","7","6","2","3","1") = "6"
    & skf21("6","4","7","7","6","2","4","1") = "6"
    & skf21("6","4","7","7","6","2","5","1") = "6"
    & skf21("6","4","7","7","6","2","6","1") = "6"
    & skf21("6","4","7","7","6","2","7","1") = "6"
    & skf21("6","4","7","7","6","3","1","1") = "6"
    & skf21("6","4","7","7","6","3","2","1") = "6"
    & skf21("6","4","7","7","6","3","3","1") = "6"
    & skf21("6","4","7","7","6","3","4","1") = "6"
    & skf21("6","4","7","7","6","3","5","1") = "6"
    & skf21("6","4","7","7","6","3","6","1") = "6"
    & skf21("6","4","7","7","6","3","7","1") = "6"
    & skf21("6","4","7","7","6","4","1","1") = "6"
    & skf21("6","4","7","7","6","4","2","1") = "6"
    & skf21("6","4","7","7","6","4","3","1") = "6"
    & skf21("6","4","7","7","6","4","4","1") = "6"
    & skf21("6","4","7","7","6","4","5","1") = "6"
    & skf21("6","4","7","7","6","4","6","1") = "6"
    & skf21("6","4","7","7","6","4","7","1") = "6"
    & skf21("6","4","7","7","6","5","1","1") = "6"
    & skf21("6","4","7","7","6","5","2","1") = "6"
    & skf21("6","4","7","7","6","5","3","1") = "6"
    & skf21("6","4","7","7","6","5","4","1") = "6"
    & skf21("6","4","7","7","6","5","5","1") = "6"
    & skf21("6","4","7","7","6","5","6","1") = "6"
    & skf21("6","4","7","7","6","5","7","1") = "6"
    & skf21("6","4","7","7","6","6","1","1") = "6"
    & skf21("6","4","7","7","6","6","2","1") = "6"
    & skf21("6","4","7","7","6","6","3","1") = "6"
    & skf21("6","4","7","7","6","6","4","1") = "6"
    & skf21("6","4","7","7","6","6","5","1") = "6"
    & skf21("6","4","7","7","6","6","6","1") = "6"
    & skf21("6","4","7","7","6","6","7","1") = "6"
    & skf21("6","4","7","7","6","7","1","1") = "6"
    & skf21("6","4","7","7","6","7","2","1") = "6"
    & skf21("6","4","7","7","6","7","3","1") = "6"
    & skf21("6","4","7","7","6","7","4","1") = "6"
    & skf21("6","4","7","7","6","7","5","1") = "6"
    & skf21("6","4","7","7","6","7","6","1") = "6"
    & skf21("6","4","7","7","6","7","7","1") = "6"
    & skf21("6","4","7","7","7","1","1","1") = "6"
    & skf21("6","4","7","7","7","1","2","1") = "6"
    & skf21("6","4","7","7","7","1","3","1") = "6"
    & skf21("6","4","7","7","7","1","4","1") = "6"
    & skf21("6","4","7","7","7","1","5","1") = "6"
    & skf21("6","4","7","7","7","1","6","1") = "6"
    & skf21("6","4","7","7","7","1","7","1") = "6"
    & skf21("6","4","7","7","7","2","1","1") = "6"
    & skf21("6","4","7","7","7","2","2","1") = "6"
    & skf21("6","4","7","7","7","2","3","1") = "6"
    & skf21("6","4","7","7","7","2","4","1") = "6"
    & skf21("6","4","7","7","7","2","5","1") = "6"
    & skf21("6","4","7","7","7","2","6","1") = "6"
    & skf21("6","4","7","7","7","2","7","1") = "6"
    & skf21("6","4","7","7","7","3","1","1") = "6"
    & skf21("6","4","7","7","7","3","2","1") = "6"
    & skf21("6","4","7","7","7","3","3","1") = "6"
    & skf21("6","4","7","7","7","3","4","1") = "6"
    & skf21("6","4","7","7","7","3","5","1") = "6"
    & skf21("6","4","7","7","7","3","6","1") = "6"
    & skf21("6","4","7","7","7","3","7","1") = "6"
    & skf21("6","4","7","7","7","4","1","1") = "6"
    & skf21("6","4","7","7","7","4","2","1") = "6"
    & skf21("6","4","7","7","7","4","3","1") = "6"
    & skf21("6","4","7","7","7","4","4","1") = "6"
    & skf21("6","4","7","7","7","4","5","1") = "6"
    & skf21("6","4","7","7","7","4","6","1") = "6"
    & skf21("6","4","7","7","7","4","7","1") = "6"
    & skf21("6","4","7","7","7","5","1","1") = "6"
    & skf21("6","4","7","7","7","5","2","1") = "6"
    & skf21("6","4","7","7","7","5","3","1") = "6"
    & skf21("6","4","7","7","7","5","4","1") = "6"
    & skf21("6","4","7","7","7","5","5","1") = "6"
    & skf21("6","4","7","7","7","5","6","1") = "6"
    & skf21("6","4","7","7","7","5","7","1") = "6"
    & skf21("6","4","7","7","7","6","1","1") = "6"
    & skf21("6","4","7","7","7","6","2","1") = "6"
    & skf21("6","4","7","7","7","6","3","1") = "6"
    & skf21("6","4","7","7","7","6","4","1") = "6"
    & skf21("6","4","7","7","7","6","5","1") = "6"
    & skf21("6","4","7","7","7","6","6","1") = "6"
    & skf21("6","4","7","7","7","6","7","1") = "6"
    & skf21("6","4","7","7","7","7","1","1") = "6"
    & skf21("6","4","7","7","7","7","2","1") = "6"
    & skf21("6","4","7","7","7","7","3","1") = "6"
    & skf21("6","4","7","7","7","7","4","1") = "6"
    & skf21("6","4","7","7","7","7","5","1") = "6"
    & skf21("6","4","7","7","7","7","6","1") = "6"
    & skf21("6","4","7","7","7","7","7","1") = "6"
    & skf21("6","5","1","1","1","1","1","1") = "5"
    & skf21("6","5","1","1","1","1","2","1") = "5"
    & skf21("6","5","1","1","1","1","3","1") = "5"
    & skf21("6","5","1","1","1","1","4","1") = "5"
    & skf21("6","5","1","1","1","1","5","1") = "5"
    & skf21("6","5","1","1","1","1","6","1") = "5"
    & skf21("6","5","1","1","1","1","7","1") = "6"
    & skf21("6","5","1","1","1","2","1","1") = "5"
    & skf21("6","5","1","1","1","2","2","1") = "5"
    & skf21("6","5","1","1","1","2","3","1") = "5"
    & skf21("6","5","1","1","1","2","4","1") = "5"
    & skf21("6","5","1","1","1","2","5","1") = "5"
    & skf21("6","5","1","1","1","2","6","1") = "5"
    & skf21("6","5","1","1","1","2","7","1") = "6"
    & skf21("6","5","1","1","1","3","1","1") = "5"
    & skf21("6","5","1","1","1","3","2","1") = "5"
    & skf21("6","5","1","1","1","3","3","1") = "5"
    & skf21("6","5","1","1","1","3","4","1") = "5"
    & skf21("6","5","1","1","1","3","5","1") = "5"
    & skf21("6","5","1","1","1","3","6","1") = "5"
    & skf21("6","5","1","1","1","3","7","1") = "6"
    & skf21("6","5","1","1","1","4","1","1") = "5"
    & skf21("6","5","1","1","1","4","2","1") = "5"
    & skf21("6","5","1","1","1","4","3","1") = "5"
    & skf21("6","5","1","1","1","4","4","1") = "5"
    & skf21("6","5","1","1","1","4","5","1") = "5"
    & skf21("6","5","1","1","1","4","6","1") = "5"
    & skf21("6","5","1","1","1","4","7","1") = "6"
    & skf21("6","5","1","1","1","5","1","1") = "5"
    & skf21("6","5","1","1","1","5","2","1") = "5"
    & skf21("6","5","1","1","1","5","3","1") = "5"
    & skf21("6","5","1","1","1","5","4","1") = "5"
    & skf21("6","5","1","1","1","5","5","1") = "5"
    & skf21("6","5","1","1","1","5","6","1") = "5"
    & skf21("6","5","1","1","1","5","7","1") = "6"
    & skf21("6","5","1","1","1","6","1","1") = "5"
    & skf21("6","5","1","1","1","6","2","1") = "5"
    & skf21("6","5","1","1","1","6","3","1") = "5"
    & skf21("6","5","1","1","1","6","4","1") = "5"
    & skf21("6","5","1","1","1","6","5","1") = "5"
    & skf21("6","5","1","1","1","6","6","1") = "5"
    & skf21("6","5","1","1","1","6","7","1") = "6"
    & skf21("6","5","1","1","1","7","1","1") = "6"
    & skf21("6","5","1","1","1","7","2","1") = "6"
    & skf21("6","5","1","1","1","7","3","1") = "6"
    & skf21("6","5","1","1","1","7","4","1") = "6"
    & skf21("6","5","1","1","1","7","5","1") = "6"
    & skf21("6","5","1","1","1","7","6","1") = "6"
    & skf21("6","5","1","1","1","7","7","1") = "6"
    & skf21("6","5","1","1","2","1","1","1") = "5"
    & skf21("6","5","1","1","2","1","2","1") = "5"
    & skf21("6","5","1","1","2","1","3","1") = "5"
    & skf21("6","5","1","1","2","1","4","1") = "5"
    & skf21("6","5","1","1","2","1","5","1") = "5"
    & skf21("6","5","1","1","2","1","6","1") = "5"
    & skf21("6","5","1","1","2","1","7","1") = "6"
    & skf21("6","5","1","1","2","2","1","1") = "5"
    & skf21("6","5","1","1","2","2","2","1") = "5"
    & skf21("6","5","1","1","2","2","3","1") = "5"
    & skf21("6","5","1","1","2","2","4","1") = "5"
    & skf21("6","5","1","1","2","2","5","1") = "5"
    & skf21("6","5","1","1","2","2","6","1") = "5"
    & skf21("6","5","1","1","2","2","7","1") = "6"
    & skf21("6","5","1","1","2","3","1","1") = "5"
    & skf21("6","5","1","1","2","3","2","1") = "5"
    & skf21("6","5","1","1","2","3","3","1") = "5"
    & skf21("6","5","1","1","2","3","4","1") = "5"
    & skf21("6","5","1","1","2","3","5","1") = "5"
    & skf21("6","5","1","1","2","3","6","1") = "5"
    & skf21("6","5","1","1","2","3","7","1") = "6"
    & skf21("6","5","1","1","2","4","1","1") = "5"
    & skf21("6","5","1","1","2","4","2","1") = "5"
    & skf21("6","5","1","1","2","4","3","1") = "5"
    & skf21("6","5","1","1","2","4","4","1") = "5"
    & skf21("6","5","1","1","2","4","5","1") = "5"
    & skf21("6","5","1","1","2","4","6","1") = "5"
    & skf21("6","5","1","1","2","4","7","1") = "6"
    & skf21("6","5","1","1","2","5","1","1") = "5"
    & skf21("6","5","1","1","2","5","2","1") = "5"
    & skf21("6","5","1","1","2","5","3","1") = "5"
    & skf21("6","5","1","1","2","5","4","1") = "5"
    & skf21("6","5","1","1","2","5","5","1") = "5"
    & skf21("6","5","1","1","2","5","6","1") = "5"
    & skf21("6","5","1","1","2","5","7","1") = "6"
    & skf21("6","5","1","1","2","6","1","1") = "5"
    & skf21("6","5","1","1","2","6","2","1") = "5"
    & skf21("6","5","1","1","2","6","3","1") = "5"
    & skf21("6","5","1","1","2","6","4","1") = "5"
    & skf21("6","5","1","1","2","6","5","1") = "5"
    & skf21("6","5","1","1","2","6","6","1") = "5"
    & skf21("6","5","1","1","2","6","7","1") = "6"
    & skf21("6","5","1","1","2","7","1","1") = "6"
    & skf21("6","5","1","1","2","7","2","1") = "6"
    & skf21("6","5","1","1","2","7","3","1") = "6"
    & skf21("6","5","1","1","2","7","4","1") = "6"
    & skf21("6","5","1","1","2","7","5","1") = "6"
    & skf21("6","5","1","1","2","7","6","1") = "6"
    & skf21("6","5","1","1","2","7","7","1") = "6"
    & skf21("6","5","1","1","3","1","1","1") = "5"
    & skf21("6","5","1","1","3","1","2","1") = "5"
    & skf21("6","5","1","1","3","1","3","1") = "5"
    & skf21("6","5","1","1","3","1","4","1") = "5"
    & skf21("6","5","1","1","3","1","5","1") = "5"
    & skf21("6","5","1","1","3","1","6","1") = "5"
    & skf21("6","5","1","1","3","1","7","1") = "6"
    & skf21("6","5","1","1","3","2","1","1") = "5"
    & skf21("6","5","1","1","3","2","2","1") = "5"
    & skf21("6","5","1","1","3","2","3","1") = "5"
    & skf21("6","5","1","1","3","2","4","1") = "5"
    & skf21("6","5","1","1","3","2","5","1") = "5"
    & skf21("6","5","1","1","3","2","6","1") = "5"
    & skf21("6","5","1","1","3","2","7","1") = "6"
    & skf21("6","5","1","1","3","3","1","1") = "5"
    & skf21("6","5","1","1","3","3","2","1") = "5"
    & skf21("6","5","1","1","3","3","3","1") = "5"
    & skf21("6","5","1","1","3","3","4","1") = "5"
    & skf21("6","5","1","1","3","3","5","1") = "5"
    & skf21("6","5","1","1","3","3","6","1") = "5"
    & skf21("6","5","1","1","3","3","7","1") = "6"
    & skf21("6","5","1","1","3","4","1","1") = "5"
    & skf21("6","5","1","1","3","4","2","1") = "5"
    & skf21("6","5","1","1","3","4","3","1") = "5"
    & skf21("6","5","1","1","3","4","4","1") = "5"
    & skf21("6","5","1","1","3","4","5","1") = "5"
    & skf21("6","5","1","1","3","4","6","1") = "5"
    & skf21("6","5","1","1","3","4","7","1") = "6"
    & skf21("6","5","1","1","3","5","1","1") = "5"
    & skf21("6","5","1","1","3","5","2","1") = "5"
    & skf21("6","5","1","1","3","5","3","1") = "5"
    & skf21("6","5","1","1","3","5","4","1") = "5"
    & skf21("6","5","1","1","3","5","5","1") = "5"
    & skf21("6","5","1","1","3","5","6","1") = "5"
    & skf21("6","5","1","1","3","5","7","1") = "6"
    & skf21("6","5","1","1","3","6","1","1") = "5"
    & skf21("6","5","1","1","3","6","2","1") = "5"
    & skf21("6","5","1","1","3","6","3","1") = "5"
    & skf21("6","5","1","1","3","6","4","1") = "5"
    & skf21("6","5","1","1","3","6","5","1") = "5"
    & skf21("6","5","1","1","3","6","6","1") = "5"
    & skf21("6","5","1","1","3","6","7","1") = "6"
    & skf21("6","5","1","1","3","7","1","1") = "6"
    & skf21("6","5","1","1","3","7","2","1") = "6"
    & skf21("6","5","1","1","3","7","3","1") = "6"
    & skf21("6","5","1","1","3","7","4","1") = "6"
    & skf21("6","5","1","1","3","7","5","1") = "6"
    & skf21("6","5","1","1","3","7","6","1") = "6"
    & skf21("6","5","1","1","3","7","7","1") = "6"
    & skf21("6","5","1","1","4","1","1","1") = "5"
    & skf21("6","5","1","1","4","1","2","1") = "5"
    & skf21("6","5","1","1","4","1","3","1") = "5"
    & skf21("6","5","1","1","4","1","4","1") = "5"
    & skf21("6","5","1","1","4","1","5","1") = "5"
    & skf21("6","5","1","1","4","1","6","1") = "5"
    & skf21("6","5","1","1","4","1","7","1") = "6"
    & skf21("6","5","1","1","4","2","1","1") = "5"
    & skf21("6","5","1","1","4","2","2","1") = "5"
    & skf21("6","5","1","1","4","2","3","1") = "5"
    & skf21("6","5","1","1","4","2","4","1") = "5"
    & skf21("6","5","1","1","4","2","5","1") = "5"
    & skf21("6","5","1","1","4","2","6","1") = "5"
    & skf21("6","5","1","1","4","2","7","1") = "6"
    & skf21("6","5","1","1","4","3","1","1") = "5"
    & skf21("6","5","1","1","4","3","2","1") = "5"
    & skf21("6","5","1","1","4","3","3","1") = "5"
    & skf21("6","5","1","1","4","3","4","1") = "5"
    & skf21("6","5","1","1","4","3","5","1") = "5"
    & skf21("6","5","1","1","4","3","6","1") = "5"
    & skf21("6","5","1","1","4","3","7","1") = "6"
    & skf21("6","5","1","1","4","4","1","1") = "5"
    & skf21("6","5","1","1","4","4","2","1") = "5"
    & skf21("6","5","1","1","4","4","3","1") = "5"
    & skf21("6","5","1","1","4","4","4","1") = "5"
    & skf21("6","5","1","1","4","4","5","1") = "5"
    & skf21("6","5","1","1","4","4","6","1") = "5"
    & skf21("6","5","1","1","4","4","7","1") = "6"
    & skf21("6","5","1","1","4","5","1","1") = "5"
    & skf21("6","5","1","1","4","5","2","1") = "5"
    & skf21("6","5","1","1","4","5","3","1") = "5"
    & skf21("6","5","1","1","4","5","4","1") = "5"
    & skf21("6","5","1","1","4","5","5","1") = "5"
    & skf21("6","5","1","1","4","5","6","1") = "5"
    & skf21("6","5","1","1","4","5","7","1") = "6"
    & skf21("6","5","1","1","4","6","1","1") = "5"
    & skf21("6","5","1","1","4","6","2","1") = "5"
    & skf21("6","5","1","1","4","6","3","1") = "5"
    & skf21("6","5","1","1","4","6","4","1") = "5"
    & skf21("6","5","1","1","4","6","5","1") = "5"
    & skf21("6","5","1","1","4","6","6","1") = "5"
    & skf21("6","5","1","1","4","6","7","1") = "6"
    & skf21("6","5","1","1","4","7","1","1") = "6"
    & skf21("6","5","1","1","4","7","2","1") = "6"
    & skf21("6","5","1","1","4","7","3","1") = "6"
    & skf21("6","5","1","1","4","7","4","1") = "6"
    & skf21("6","5","1","1","4","7","5","1") = "6"
    & skf21("6","5","1","1","4","7","6","1") = "6"
    & skf21("6","5","1","1","4","7","7","1") = "6"
    & skf21("6","5","1","1","5","1","1","1") = "5"
    & skf21("6","5","1","1","5","1","2","1") = "5"
    & skf21("6","5","1","1","5","1","3","1") = "5"
    & skf21("6","5","1","1","5","1","4","1") = "5"
    & skf21("6","5","1","1","5","1","5","1") = "5"
    & skf21("6","5","1","1","5","1","6","1") = "5"
    & skf21("6","5","1","1","5","1","7","1") = "6"
    & skf21("6","5","1","1","5","2","1","1") = "5"
    & skf21("6","5","1","1","5","2","2","1") = "5"
    & skf21("6","5","1","1","5","2","3","1") = "5"
    & skf21("6","5","1","1","5","2","4","1") = "5"
    & skf21("6","5","1","1","5","2","5","1") = "5"
    & skf21("6","5","1","1","5","2","6","1") = "5"
    & skf21("6","5","1","1","5","2","7","1") = "6"
    & skf21("6","5","1","1","5","3","1","1") = "5"
    & skf21("6","5","1","1","5","3","2","1") = "5"
    & skf21("6","5","1","1","5","3","3","1") = "5"
    & skf21("6","5","1","1","5","3","4","1") = "5"
    & skf21("6","5","1","1","5","3","5","1") = "5"
    & skf21("6","5","1","1","5","3","6","1") = "5"
    & skf21("6","5","1","1","5","3","7","1") = "6"
    & skf21("6","5","1","1","5","4","1","1") = "5"
    & skf21("6","5","1","1","5","4","2","1") = "5"
    & skf21("6","5","1","1","5","4","3","1") = "5"
    & skf21("6","5","1","1","5","4","4","1") = "5"
    & skf21("6","5","1","1","5","4","5","1") = "5"
    & skf21("6","5","1","1","5","4","6","1") = "5"
    & skf21("6","5","1","1","5","4","7","1") = "6"
    & skf21("6","5","1","1","5","5","1","1") = "5"
    & skf21("6","5","1","1","5","5","2","1") = "5"
    & skf21("6","5","1","1","5","5","3","1") = "5"
    & skf21("6","5","1","1","5","5","4","1") = "5"
    & skf21("6","5","1","1","5","5","5","1") = "5"
    & skf21("6","5","1","1","5","5","6","1") = "5"
    & skf21("6","5","1","1","5","5","7","1") = "6"
    & skf21("6","5","1","1","5","6","1","1") = "5"
    & skf21("6","5","1","1","5","6","2","1") = "5"
    & skf21("6","5","1","1","5","6","3","1") = "5"
    & skf21("6","5","1","1","5","6","4","1") = "5"
    & skf21("6","5","1","1","5","6","5","1") = "5"
    & skf21("6","5","1","1","5","6","6","1") = "5"
    & skf21("6","5","1","1","5","6","7","1") = "6"
    & skf21("6","5","1","1","5","7","1","1") = "6"
    & skf21("6","5","1","1","5","7","2","1") = "6"
    & skf21("6","5","1","1","5","7","3","1") = "6"
    & skf21("6","5","1","1","5","7","4","1") = "6"
    & skf21("6","5","1","1","5","7","5","1") = "6"
    & skf21("6","5","1","1","5","7","6","1") = "6"
    & skf21("6","5","1","1","5","7","7","1") = "6"
    & skf21("6","5","1","1","6","1","1","1") = "5"
    & skf21("6","5","1","1","6","1","2","1") = "5"
    & skf21("6","5","1","1","6","1","3","1") = "5"
    & skf21("6","5","1","1","6","1","4","1") = "5"
    & skf21("6","5","1","1","6","1","5","1") = "5"
    & skf21("6","5","1","1","6","1","6","1") = "5"
    & skf21("6","5","1","1","6","1","7","1") = "6"
    & skf21("6","5","1","1","6","2","1","1") = "5"
    & skf21("6","5","1","1","6","2","2","1") = "5"
    & skf21("6","5","1","1","6","2","3","1") = "5"
    & skf21("6","5","1","1","6","2","4","1") = "5"
    & skf21("6","5","1","1","6","2","5","1") = "5"
    & skf21("6","5","1","1","6","2","6","1") = "5"
    & skf21("6","5","1","1","6","2","7","1") = "6"
    & skf21("6","5","1","1","6","3","1","1") = "5"
    & skf21("6","5","1","1","6","3","2","1") = "5"
    & skf21("6","5","1","1","6","3","3","1") = "5"
    & skf21("6","5","1","1","6","3","4","1") = "5"
    & skf21("6","5","1","1","6","3","5","1") = "5"
    & skf21("6","5","1","1","6","3","6","1") = "5"
    & skf21("6","5","1","1","6","3","7","1") = "6"
    & skf21("6","5","1","1","6","4","1","1") = "5"
    & skf21("6","5","1","1","6","4","2","1") = "5"
    & skf21("6","5","1","1","6","4","3","1") = "5"
    & skf21("6","5","1","1","6","4","4","1") = "5"
    & skf21("6","5","1","1","6","4","5","1") = "5"
    & skf21("6","5","1","1","6","4","6","1") = "5"
    & skf21("6","5","1","1","6","4","7","1") = "6"
    & skf21("6","5","1","1","6","5","1","1") = "5"
    & skf21("6","5","1","1","6","5","2","1") = "5"
    & skf21("6","5","1","1","6","5","3","1") = "5"
    & skf21("6","5","1","1","6","5","4","1") = "5"
    & skf21("6","5","1","1","6","5","5","1") = "5"
    & skf21("6","5","1","1","6","5","6","1") = "5"
    & skf21("6","5","1","1","6","5","7","1") = "6"
    & skf21("6","5","1","1","6","6","1","1") = "5"
    & skf21("6","5","1","1","6","6","2","1") = "5"
    & skf21("6","5","1","1","6","6","3","1") = "5"
    & skf21("6","5","1","1","6","6","4","1") = "5"
    & skf21("6","5","1","1","6","6","5","1") = "5"
    & skf21("6","5","1","1","6","6","6","1") = "5"
    & skf21("6","5","1","1","6","6","7","1") = "6"
    & skf21("6","5","1","1","6","7","1","1") = "6"
    & skf21("6","5","1","1","6","7","2","1") = "6"
    & skf21("6","5","1","1","6","7","3","1") = "6"
    & skf21("6","5","1","1","6","7","4","1") = "6"
    & skf21("6","5","1","1","6","7","5","1") = "6"
    & skf21("6","5","1","1","6","7","6","1") = "6"
    & skf21("6","5","1","1","6","7","7","1") = "6"
    & skf21("6","5","1","1","7","1","1","1") = "6"
    & skf21("6","5","1","1","7","1","2","1") = "6"
    & skf21("6","5","1","1","7","1","3","1") = "6"
    & skf21("6","5","1","1","7","1","4","1") = "6"
    & skf21("6","5","1","1","7","1","5","1") = "6"
    & skf21("6","5","1","1","7","1","6","1") = "6"
    & skf21("6","5","1","1","7","1","7","1") = "6"
    & skf21("6","5","1","1","7","2","1","1") = "6"
    & skf21("6","5","1","1","7","2","2","1") = "6"
    & skf21("6","5","1","1","7","2","3","1") = "6"
    & skf21("6","5","1","1","7","2","4","1") = "6"
    & skf21("6","5","1","1","7","2","5","1") = "6"
    & skf21("6","5","1","1","7","2","6","1") = "6"
    & skf21("6","5","1","1","7","2","7","1") = "6"
    & skf21("6","5","1","1","7","3","1","1") = "6"
    & skf21("6","5","1","1","7","3","2","1") = "6"
    & skf21("6","5","1","1","7","3","3","1") = "6"
    & skf21("6","5","1","1","7","3","4","1") = "6"
    & skf21("6","5","1","1","7","3","5","1") = "6"
    & skf21("6","5","1","1","7","3","6","1") = "6"
    & skf21("6","5","1","1","7","3","7","1") = "6"
    & skf21("6","5","1","1","7","4","1","1") = "6"
    & skf21("6","5","1","1","7","4","2","1") = "6"
    & skf21("6","5","1","1","7","4","3","1") = "6"
    & skf21("6","5","1","1","7","4","4","1") = "6"
    & skf21("6","5","1","1","7","4","5","1") = "6"
    & skf21("6","5","1","1","7","4","6","1") = "6"
    & skf21("6","5","1","1","7","4","7","1") = "6"
    & skf21("6","5","1","1","7","5","1","1") = "6"
    & skf21("6","5","1","1","7","5","2","1") = "6"
    & skf21("6","5","1","1","7","5","3","1") = "6"
    & skf21("6","5","1","1","7","5","4","1") = "6"
    & skf21("6","5","1","1","7","5","5","1") = "6"
    & skf21("6","5","1","1","7","5","6","1") = "6"
    & skf21("6","5","1","1","7","5","7","1") = "6"
    & skf21("6","5","1","1","7","6","1","1") = "6"
    & skf21("6","5","1","1","7","6","2","1") = "6"
    & skf21("6","5","1","1","7","6","3","1") = "6"
    & skf21("6","5","1","1","7","6","4","1") = "6"
    & skf21("6","5","1","1","7","6","5","1") = "6"
    & skf21("6","5","1","1","7","6","6","1") = "6"
    & skf21("6","5","1","1","7","6","7","1") = "6"
    & skf21("6","5","1","1","7","7","1","1") = "6"
    & skf21("6","5","1","1","7","7","2","1") = "6"
    & skf21("6","5","1","1","7","7","3","1") = "6"
    & skf21("6","5","1","1","7","7","4","1") = "6"
    & skf21("6","5","1","1","7","7","5","1") = "6"
    & skf21("6","5","1","1","7","7","6","1") = "6"
    & skf21("6","5","1","1","7","7","7","1") = "6"
    & skf21("6","5","1","2","1","1","1","1") = "5"
    & skf21("6","5","1","2","1","1","2","1") = "5"
    & skf21("6","5","1","2","1","1","3","1") = "5"
    & skf21("6","5","1","2","1","1","4","1") = "5"
    & skf21("6","5","1","2","1","1","5","1") = "5"
    & skf21("6","5","1","2","1","1","6","1") = "5"
    & skf21("6","5","1","2","1","1","7","1") = "6"
    & skf21("6","5","1","2","1","2","1","1") = "5"
    & skf21("6","5","1","2","1","2","2","1") = "5"
    & skf21("6","5","1","2","1","2","3","1") = "5"
    & skf21("6","5","1","2","1","2","4","1") = "5"
    & skf21("6","5","1","2","1","2","5","1") = "5"
    & skf21("6","5","1","2","1","2","6","1") = "5"
    & skf21("6","5","1","2","1","2","7","1") = "6"
    & skf21("6","5","1","2","1","3","1","1") = "5"
    & skf21("6","5","1","2","1","3","2","1") = "5"
    & skf21("6","5","1","2","1","3","3","1") = "5"
    & skf21("6","5","1","2","1","3","4","1") = "5"
    & skf21("6","5","1","2","1","3","5","1") = "5"
    & skf21("6","5","1","2","1","3","6","1") = "5"
    & skf21("6","5","1","2","1","3","7","1") = "6"
    & skf21("6","5","1","2","1","4","1","1") = "5"
    & skf21("6","5","1","2","1","4","2","1") = "5"
    & skf21("6","5","1","2","1","4","3","1") = "5"
    & skf21("6","5","1","2","1","4","4","1") = "5"
    & skf21("6","5","1","2","1","4","5","1") = "5"
    & skf21("6","5","1","2","1","4","6","1") = "5"
    & skf21("6","5","1","2","1","4","7","1") = "6"
    & skf21("6","5","1","2","1","5","1","1") = "5"
    & skf21("6","5","1","2","1","5","2","1") = "5"
    & skf21("6","5","1","2","1","5","3","1") = "5"
    & skf21("6","5","1","2","1","5","4","1") = "5"
    & skf21("6","5","1","2","1","5","5","1") = "5"
    & skf21("6","5","1","2","1","5","6","1") = "5"
    & skf21("6","5","1","2","1","5","7","1") = "6"
    & skf21("6","5","1","2","1","6","1","1") = "5"
    & skf21("6","5","1","2","1","6","2","1") = "5"
    & skf21("6","5","1","2","1","6","3","1") = "5"
    & skf21("6","5","1","2","1","6","4","1") = "5"
    & skf21("6","5","1","2","1","6","5","1") = "5"
    & skf21("6","5","1","2","1","6","6","1") = "5"
    & skf21("6","5","1","2","1","6","7","1") = "6"
    & skf21("6","5","1","2","1","7","1","1") = "6"
    & skf21("6","5","1","2","1","7","2","1") = "6"
    & skf21("6","5","1","2","1","7","3","1") = "6"
    & skf21("6","5","1","2","1","7","4","1") = "6"
    & skf21("6","5","1","2","1","7","5","1") = "6"
    & skf21("6","5","1","2","1","7","6","1") = "6"
    & skf21("6","5","1","2","1","7","7","1") = "6"
    & skf21("6","5","1","2","2","1","1","1") = "5"
    & skf21("6","5","1","2","2","1","2","1") = "5"
    & skf21("6","5","1","2","2","1","3","1") = "5"
    & skf21("6","5","1","2","2","1","4","1") = "5"
    & skf21("6","5","1","2","2","1","5","1") = "5"
    & skf21("6","5","1","2","2","1","6","1") = "5"
    & skf21("6","5","1","2","2","1","7","1") = "6"
    & skf21("6","5","1","2","2","2","1","1") = "5"
    & skf21("6","5","1","2","2","2","2","1") = "5"
    & skf21("6","5","1","2","2","2","3","1") = "5"
    & skf21("6","5","1","2","2","2","4","1") = "5"
    & skf21("6","5","1","2","2","2","5","1") = "5"
    & skf21("6","5","1","2","2","2","6","1") = "5"
    & skf21("6","5","1","2","2","2","7","1") = "6"
    & skf21("6","5","1","2","2","3","1","1") = "5"
    & skf21("6","5","1","2","2","3","2","1") = "5"
    & skf21("6","5","1","2","2","3","3","1") = "5"
    & skf21("6","5","1","2","2","3","4","1") = "5"
    & skf21("6","5","1","2","2","3","5","1") = "5"
    & skf21("6","5","1","2","2","3","6","1") = "5"
    & skf21("6","5","1","2","2","3","7","1") = "6"
    & skf21("6","5","1","2","2","4","1","1") = "5"
    & skf21("6","5","1","2","2","4","2","1") = "5"
    & skf21("6","5","1","2","2","4","3","1") = "5"
    & skf21("6","5","1","2","2","4","4","1") = "5"
    & skf21("6","5","1","2","2","4","5","1") = "5"
    & skf21("6","5","1","2","2","4","6","1") = "5"
    & skf21("6","5","1","2","2","4","7","1") = "6"
    & skf21("6","5","1","2","2","5","1","1") = "5"
    & skf21("6","5","1","2","2","5","2","1") = "5"
    & skf21("6","5","1","2","2","5","3","1") = "5"
    & skf21("6","5","1","2","2","5","4","1") = "5"
    & skf21("6","5","1","2","2","5","5","1") = "5"
    & skf21("6","5","1","2","2","5","6","1") = "5"
    & skf21("6","5","1","2","2","5","7","1") = "6"
    & skf21("6","5","1","2","2","6","1","1") = "5"
    & skf21("6","5","1","2","2","6","2","1") = "5"
    & skf21("6","5","1","2","2","6","3","1") = "5"
    & skf21("6","5","1","2","2","6","4","1") = "5"
    & skf21("6","5","1","2","2","6","5","1") = "5"
    & skf21("6","5","1","2","2","6","6","1") = "5"
    & skf21("6","5","1","2","2","6","7","1") = "6"
    & skf21("6","5","1","2","2","7","1","1") = "6"
    & skf21("6","5","1","2","2","7","2","1") = "6"
    & skf21("6","5","1","2","2","7","3","1") = "6"
    & skf21("6","5","1","2","2","7","4","1") = "6"
    & skf21("6","5","1","2","2","7","5","1") = "6"
    & skf21("6","5","1","2","2","7","6","1") = "6"
    & skf21("6","5","1","2","2","7","7","1") = "6"
    & skf21("6","5","1","2","3","1","1","1") = "5"
    & skf21("6","5","1","2","3","1","2","1") = "5"
    & skf21("6","5","1","2","3","1","3","1") = "5"
    & skf21("6","5","1","2","3","1","4","1") = "5"
    & skf21("6","5","1","2","3","1","5","1") = "5"
    & skf21("6","5","1","2","3","1","6","1") = "5"
    & skf21("6","5","1","2","3","1","7","1") = "6"
    & skf21("6","5","1","2","3","2","1","1") = "5"
    & skf21("6","5","1","2","3","2","2","1") = "5"
    & skf21("6","5","1","2","3","2","3","1") = "5"
    & skf21("6","5","1","2","3","2","4","1") = "5"
    & skf21("6","5","1","2","3","2","5","1") = "5"
    & skf21("6","5","1","2","3","2","6","1") = "5"
    & skf21("6","5","1","2","3","2","7","1") = "6"
    & skf21("6","5","1","2","3","3","1","1") = "5"
    & skf21("6","5","1","2","3","3","2","1") = "5"
    & skf21("6","5","1","2","3","3","3","1") = "5"
    & skf21("6","5","1","2","3","3","4","1") = "5"
    & skf21("6","5","1","2","3","3","5","1") = "5"
    & skf21("6","5","1","2","3","3","6","1") = "5"
    & skf21("6","5","1","2","3","3","7","1") = "6"
    & skf21("6","5","1","2","3","4","1","1") = "5"
    & skf21("6","5","1","2","3","4","2","1") = "5"
    & skf21("6","5","1","2","3","4","3","1") = "5"
    & skf21("6","5","1","2","3","4","4","1") = "5"
    & skf21("6","5","1","2","3","4","5","1") = "5"
    & skf21("6","5","1","2","3","4","6","1") = "5"
    & skf21("6","5","1","2","3","4","7","1") = "6"
    & skf21("6","5","1","2","3","5","1","1") = "5"
    & skf21("6","5","1","2","3","5","2","1") = "5"
    & skf21("6","5","1","2","3","5","3","1") = "5"
    & skf21("6","5","1","2","3","5","4","1") = "5"
    & skf21("6","5","1","2","3","5","5","1") = "5"
    & skf21("6","5","1","2","3","5","6","1") = "5"
    & skf21("6","5","1","2","3","5","7","1") = "6"
    & skf21("6","5","1","2","3","6","1","1") = "5"
    & skf21("6","5","1","2","3","6","2","1") = "5"
    & skf21("6","5","1","2","3","6","3","1") = "5"
    & skf21("6","5","1","2","3","6","4","1") = "5"
    & skf21("6","5","1","2","3","6","5","1") = "5"
    & skf21("6","5","1","2","3","6","6","1") = "5"
    & skf21("6","5","1","2","3","6","7","1") = "6"
    & skf21("6","5","1","2","3","7","1","1") = "6"
    & skf21("6","5","1","2","3","7","2","1") = "6"
    & skf21("6","5","1","2","3","7","3","1") = "6"
    & skf21("6","5","1","2","3","7","4","1") = "6"
    & skf21("6","5","1","2","3","7","5","1") = "6"
    & skf21("6","5","1","2","3","7","6","1") = "6"
    & skf21("6","5","1","2","3","7","7","1") = "6"
    & skf21("6","5","1","2","4","1","1","1") = "5"
    & skf21("6","5","1","2","4","1","2","1") = "5"
    & skf21("6","5","1","2","4","1","3","1") = "5"
    & skf21("6","5","1","2","4","1","4","1") = "5"
    & skf21("6","5","1","2","4","1","5","1") = "5"
    & skf21("6","5","1","2","4","1","6","1") = "5"
    & skf21("6","5","1","2","4","1","7","1") = "6"
    & skf21("6","5","1","2","4","2","1","1") = "5"
    & skf21("6","5","1","2","4","2","2","1") = "5"
    & skf21("6","5","1","2","4","2","3","1") = "5"
    & skf21("6","5","1","2","4","2","4","1") = "5"
    & skf21("6","5","1","2","4","2","5","1") = "5"
    & skf21("6","5","1","2","4","2","6","1") = "5"
    & skf21("6","5","1","2","4","2","7","1") = "6"
    & skf21("6","5","1","2","4","3","1","1") = "5"
    & skf21("6","5","1","2","4","3","2","1") = "5"
    & skf21("6","5","1","2","4","3","3","1") = "5"
    & skf21("6","5","1","2","4","3","4","1") = "5"
    & skf21("6","5","1","2","4","3","5","1") = "5"
    & skf21("6","5","1","2","4","3","6","1") = "5"
    & skf21("6","5","1","2","4","3","7","1") = "6"
    & skf21("6","5","1","2","4","4","1","1") = "5"
    & skf21("6","5","1","2","4","4","2","1") = "5"
    & skf21("6","5","1","2","4","4","3","1") = "5"
    & skf21("6","5","1","2","4","4","4","1") = "5"
    & skf21("6","5","1","2","4","4","5","1") = "5"
    & skf21("6","5","1","2","4","4","6","1") = "5"
    & skf21("6","5","1","2","4","4","7","1") = "6"
    & skf21("6","5","1","2","4","5","1","1") = "5"
    & skf21("6","5","1","2","4","5","2","1") = "5"
    & skf21("6","5","1","2","4","5","3","1") = "5"
    & skf21("6","5","1","2","4","5","4","1") = "5"
    & skf21("6","5","1","2","4","5","5","1") = "5"
    & skf21("6","5","1","2","4","5","6","1") = "5"
    & skf21("6","5","1","2","4","5","7","1") = "6"
    & skf21("6","5","1","2","4","6","1","1") = "5"
    & skf21("6","5","1","2","4","6","2","1") = "5"
    & skf21("6","5","1","2","4","6","3","1") = "5"
    & skf21("6","5","1","2","4","6","4","1") = "5"
    & skf21("6","5","1","2","4","6","5","1") = "5"
    & skf21("6","5","1","2","4","6","6","1") = "5"
    & skf21("6","5","1","2","4","6","7","1") = "6"
    & skf21("6","5","1","2","4","7","1","1") = "6"
    & skf21("6","5","1","2","4","7","2","1") = "6"
    & skf21("6","5","1","2","4","7","3","1") = "6"
    & skf21("6","5","1","2","4","7","4","1") = "6"
    & skf21("6","5","1","2","4","7","5","1") = "6"
    & skf21("6","5","1","2","4","7","6","1") = "6"
    & skf21("6","5","1","2","4","7","7","1") = "6"
    & skf21("6","5","1","2","5","1","1","1") = "5"
    & skf21("6","5","1","2","5","1","2","1") = "5"
    & skf21("6","5","1","2","5","1","3","1") = "5"
    & skf21("6","5","1","2","5","1","4","1") = "5"
    & skf21("6","5","1","2","5","1","5","1") = "5"
    & skf21("6","5","1","2","5","1","6","1") = "5"
    & skf21("6","5","1","2","5","1","7","1") = "6"
    & skf21("6","5","1","2","5","2","1","1") = "5"
    & skf21("6","5","1","2","5","2","2","1") = "5"
    & skf21("6","5","1","2","5","2","3","1") = "5"
    & skf21("6","5","1","2","5","2","4","1") = "5"
    & skf21("6","5","1","2","5","2","5","1") = "5"
    & skf21("6","5","1","2","5","2","6","1") = "5"
    & skf21("6","5","1","2","5","2","7","1") = "6"
    & skf21("6","5","1","2","5","3","1","1") = "5"
    & skf21("6","5","1","2","5","3","2","1") = "5"
    & skf21("6","5","1","2","5","3","3","1") = "5"
    & skf21("6","5","1","2","5","3","4","1") = "5"
    & skf21("6","5","1","2","5","3","5","1") = "5"
    & skf21("6","5","1","2","5","3","6","1") = "5"
    & skf21("6","5","1","2","5","3","7","1") = "6"
    & skf21("6","5","1","2","5","4","1","1") = "5"
    & skf21("6","5","1","2","5","4","2","1") = "5"
    & skf21("6","5","1","2","5","4","3","1") = "5"
    & skf21("6","5","1","2","5","4","4","1") = "5"
    & skf21("6","5","1","2","5","4","5","1") = "5"
    & skf21("6","5","1","2","5","4","6","1") = "5"
    & skf21("6","5","1","2","5","4","7","1") = "6"
    & skf21("6","5","1","2","5","5","1","1") = "5"
    & skf21("6","5","1","2","5","5","2","1") = "5"
    & skf21("6","5","1","2","5","5","3","1") = "5"
    & skf21("6","5","1","2","5","5","4","1") = "5"
    & skf21("6","5","1","2","5","5","5","1") = "5"
    & skf21("6","5","1","2","5","5","6","1") = "5"
    & skf21("6","5","1","2","5","5","7","1") = "6"
    & skf21("6","5","1","2","5","6","1","1") = "5"
    & skf21("6","5","1","2","5","6","2","1") = "5"
    & skf21("6","5","1","2","5","6","3","1") = "5"
    & skf21("6","5","1","2","5","6","4","1") = "5"
    & skf21("6","5","1","2","5","6","5","1") = "5"
    & skf21("6","5","1","2","5","6","6","1") = "5"
    & skf21("6","5","1","2","5","6","7","1") = "6"
    & skf21("6","5","1","2","5","7","1","1") = "6"
    & skf21("6","5","1","2","5","7","2","1") = "6"
    & skf21("6","5","1","2","5","7","3","1") = "6"
    & skf21("6","5","1","2","5","7","4","1") = "6"
    & skf21("6","5","1","2","5","7","5","1") = "6"
    & skf21("6","5","1","2","5","7","6","1") = "6"
    & skf21("6","5","1","2","5","7","7","1") = "6"
    & skf21("6","5","1","2","6","1","1","1") = "5"
    & skf21("6","5","1","2","6","1","2","1") = "5"
    & skf21("6","5","1","2","6","1","3","1") = "5"
    & skf21("6","5","1","2","6","1","4","1") = "5"
    & skf21("6","5","1","2","6","1","5","1") = "5"
    & skf21("6","5","1","2","6","1","6","1") = "5"
    & skf21("6","5","1","2","6","1","7","1") = "6"
    & skf21("6","5","1","2","6","2","1","1") = "5"
    & skf21("6","5","1","2","6","2","2","1") = "5"
    & skf21("6","5","1","2","6","2","3","1") = "5"
    & skf21("6","5","1","2","6","2","4","1") = "5"
    & skf21("6","5","1","2","6","2","5","1") = "5"
    & skf21("6","5","1","2","6","2","6","1") = "5"
    & skf21("6","5","1","2","6","2","7","1") = "6"
    & skf21("6","5","1","2","6","3","1","1") = "5"
    & skf21("6","5","1","2","6","3","2","1") = "5"
    & skf21("6","5","1","2","6","3","3","1") = "5"
    & skf21("6","5","1","2","6","3","4","1") = "5"
    & skf21("6","5","1","2","6","3","5","1") = "5"
    & skf21("6","5","1","2","6","3","6","1") = "5"
    & skf21("6","5","1","2","6","3","7","1") = "6"
    & skf21("6","5","1","2","6","4","1","1") = "5"
    & skf21("6","5","1","2","6","4","2","1") = "5"
    & skf21("6","5","1","2","6","4","3","1") = "5"
    & skf21("6","5","1","2","6","4","4","1") = "5"
    & skf21("6","5","1","2","6","4","5","1") = "5"
    & skf21("6","5","1","2","6","4","6","1") = "5"
    & skf21("6","5","1","2","6","4","7","1") = "6"
    & skf21("6","5","1","2","6","5","1","1") = "5"
    & skf21("6","5","1","2","6","5","2","1") = "5"
    & skf21("6","5","1","2","6","5","3","1") = "5"
    & skf21("6","5","1","2","6","5","4","1") = "5"
    & skf21("6","5","1","2","6","5","5","1") = "5"
    & skf21("6","5","1","2","6","5","6","1") = "5"
    & skf21("6","5","1","2","6","5","7","1") = "6"
    & skf21("6","5","1","2","6","6","1","1") = "5"
    & skf21("6","5","1","2","6","6","2","1") = "5"
    & skf21("6","5","1","2","6","6","3","1") = "5"
    & skf21("6","5","1","2","6","6","4","1") = "5"
    & skf21("6","5","1","2","6","6","5","1") = "5"
    & skf21("6","5","1","2","6","6","6","1") = "5"
    & skf21("6","5","1","2","6","6","7","1") = "6"
    & skf21("6","5","1","2","6","7","1","1") = "6"
    & skf21("6","5","1","2","6","7","2","1") = "6"
    & skf21("6","5","1","2","6","7","3","1") = "6"
    & skf21("6","5","1","2","6","7","4","1") = "6"
    & skf21("6","5","1","2","6","7","5","1") = "6"
    & skf21("6","5","1","2","6","7","6","1") = "6"
    & skf21("6","5","1","2","6","7","7","1") = "6"
    & skf21("6","5","1","2","7","1","1","1") = "6"
    & skf21("6","5","1","2","7","1","2","1") = "6"
    & skf21("6","5","1","2","7","1","3","1") = "6"
    & skf21("6","5","1","2","7","1","4","1") = "6"
    & skf21("6","5","1","2","7","1","5","1") = "6"
    & skf21("6","5","1","2","7","1","6","1") = "6"
    & skf21("6","5","1","2","7","1","7","1") = "6"
    & skf21("6","5","1","2","7","2","1","1") = "6"
    & skf21("6","5","1","2","7","2","2","1") = "6"
    & skf21("6","5","1","2","7","2","3","1") = "6"
    & skf21("6","5","1","2","7","2","4","1") = "6"
    & skf21("6","5","1","2","7","2","5","1") = "6"
    & skf21("6","5","1","2","7","2","6","1") = "6"
    & skf21("6","5","1","2","7","2","7","1") = "6"
    & skf21("6","5","1","2","7","3","1","1") = "6"
    & skf21("6","5","1","2","7","3","2","1") = "6"
    & skf21("6","5","1","2","7","3","3","1") = "6"
    & skf21("6","5","1","2","7","3","4","1") = "6"
    & skf21("6","5","1","2","7","3","5","1") = "6"
    & skf21("6","5","1","2","7","3","6","1") = "6"
    & skf21("6","5","1","2","7","3","7","1") = "6"
    & skf21("6","5","1","2","7","4","1","1") = "6"
    & skf21("6","5","1","2","7","4","2","1") = "6"
    & skf21("6","5","1","2","7","4","3","1") = "6"
    & skf21("6","5","1","2","7","4","4","1") = "6"
    & skf21("6","5","1","2","7","4","5","1") = "6"
    & skf21("6","5","1","2","7","4","6","1") = "6"
    & skf21("6","5","1","2","7","4","7","1") = "6"
    & skf21("6","5","1","2","7","5","1","1") = "6"
    & skf21("6","5","1","2","7","5","2","1") = "6"
    & skf21("6","5","1","2","7","5","3","1") = "6"
    & skf21("6","5","1","2","7","5","4","1") = "6"
    & skf21("6","5","1","2","7","5","5","1") = "6"
    & skf21("6","5","1","2","7","5","6","1") = "6"
    & skf21("6","5","1","2","7","5","7","1") = "6"
    & skf21("6","5","1","2","7","6","1","1") = "6"
    & skf21("6","5","1","2","7","6","2","1") = "6"
    & skf21("6","5","1","2","7","6","3","1") = "6"
    & skf21("6","5","1","2","7","6","4","1") = "6"
    & skf21("6","5","1","2","7","6","5","1") = "6"
    & skf21("6","5","1","2","7","6","6","1") = "6"
    & skf21("6","5","1","2","7","6","7","1") = "6"
    & skf21("6","5","1","2","7","7","1","1") = "6"
    & skf21("6","5","1","2","7","7","2","1") = "6"
    & skf21("6","5","1","2","7","7","3","1") = "6"
    & skf21("6","5","1","2","7","7","4","1") = "6"
    & skf21("6","5","1","2","7","7","5","1") = "6"
    & skf21("6","5","1","2","7","7","6","1") = "6"
    & skf21("6","5","1","2","7","7","7","1") = "6"
    & skf21("6","5","1","3","1","1","1","1") = "5"
    & skf21("6","5","1","3","1","1","2","1") = "5"
    & skf21("6","5","1","3","1","1","3","1") = "5"
    & skf21("6","5","1","3","1","1","4","1") = "5"
    & skf21("6","5","1","3","1","1","5","1") = "5"
    & skf21("6","5","1","3","1","1","6","1") = "5"
    & skf21("6","5","1","3","1","1","7","1") = "6"
    & skf21("6","5","1","3","1","2","1","1") = "5"
    & skf21("6","5","1","3","1","2","2","1") = "5"
    & skf21("6","5","1","3","1","2","3","1") = "5"
    & skf21("6","5","1","3","1","2","4","1") = "5"
    & skf21("6","5","1","3","1","2","5","1") = "5"
    & skf21("6","5","1","3","1","2","6","1") = "5"
    & skf21("6","5","1","3","1","2","7","1") = "6"
    & skf21("6","5","1","3","1","3","1","1") = "5"
    & skf21("6","5","1","3","1","3","2","1") = "5"
    & skf21("6","5","1","3","1","3","3","1") = "5"
    & skf21("6","5","1","3","1","3","4","1") = "5"
    & skf21("6","5","1","3","1","3","5","1") = "5"
    & skf21("6","5","1","3","1","3","6","1") = "5"
    & skf21("6","5","1","3","1","3","7","1") = "6"
    & skf21("6","5","1","3","1","4","1","1") = "5"
    & skf21("6","5","1","3","1","4","2","1") = "5"
    & skf21("6","5","1","3","1","4","3","1") = "5"
    & skf21("6","5","1","3","1","4","4","1") = "5"
    & skf21("6","5","1","3","1","4","5","1") = "5"
    & skf21("6","5","1","3","1","4","6","1") = "5"
    & skf21("6","5","1","3","1","4","7","1") = "6"
    & skf21("6","5","1","3","1","5","1","1") = "5"
    & skf21("6","5","1","3","1","5","2","1") = "5"
    & skf21("6","5","1","3","1","5","3","1") = "5"
    & skf21("6","5","1","3","1","5","4","1") = "5"
    & skf21("6","5","1","3","1","5","5","1") = "5"
    & skf21("6","5","1","3","1","5","6","1") = "5"
    & skf21("6","5","1","3","1","5","7","1") = "6"
    & skf21("6","5","1","3","1","6","1","1") = "5"
    & skf21("6","5","1","3","1","6","2","1") = "5"
    & skf21("6","5","1","3","1","6","3","1") = "5"
    & skf21("6","5","1","3","1","6","4","1") = "5"
    & skf21("6","5","1","3","1","6","5","1") = "5"
    & skf21("6","5","1","3","1","6","6","1") = "5"
    & skf21("6","5","1","3","1","6","7","1") = "6"
    & skf21("6","5","1","3","1","7","1","1") = "6"
    & skf21("6","5","1","3","1","7","2","1") = "6"
    & skf21("6","5","1","3","1","7","3","1") = "6"
    & skf21("6","5","1","3","1","7","4","1") = "6"
    & skf21("6","5","1","3","1","7","5","1") = "6"
    & skf21("6","5","1","3","1","7","6","1") = "6"
    & skf21("6","5","1","3","1","7","7","1") = "6"
    & skf21("6","5","1","3","2","1","1","1") = "5"
    & skf21("6","5","1","3","2","1","2","1") = "5"
    & skf21("6","5","1","3","2","1","3","1") = "5"
    & skf21("6","5","1","3","2","1","4","1") = "5"
    & skf21("6","5","1","3","2","1","5","1") = "5"
    & skf21("6","5","1","3","2","1","6","1") = "5"
    & skf21("6","5","1","3","2","1","7","1") = "6"
    & skf21("6","5","1","3","2","2","1","1") = "5"
    & skf21("6","5","1","3","2","2","2","1") = "5"
    & skf21("6","5","1","3","2","2","3","1") = "5"
    & skf21("6","5","1","3","2","2","4","1") = "5"
    & skf21("6","5","1","3","2","2","5","1") = "5"
    & skf21("6","5","1","3","2","2","6","1") = "5"
    & skf21("6","5","1","3","2","2","7","1") = "6"
    & skf21("6","5","1","3","2","3","1","1") = "5"
    & skf21("6","5","1","3","2","3","2","1") = "5"
    & skf21("6","5","1","3","2","3","3","1") = "5"
    & skf21("6","5","1","3","2","3","4","1") = "5"
    & skf21("6","5","1","3","2","3","5","1") = "5"
    & skf21("6","5","1","3","2","3","6","1") = "5"
    & skf21("6","5","1","3","2","3","7","1") = "6"
    & skf21("6","5","1","3","2","4","1","1") = "5"
    & skf21("6","5","1","3","2","4","2","1") = "5"
    & skf21("6","5","1","3","2","4","3","1") = "5"
    & skf21("6","5","1","3","2","4","4","1") = "5"
    & skf21("6","5","1","3","2","4","5","1") = "5"
    & skf21("6","5","1","3","2","4","6","1") = "5"
    & skf21("6","5","1","3","2","4","7","1") = "6"
    & skf21("6","5","1","3","2","5","1","1") = "5"
    & skf21("6","5","1","3","2","5","2","1") = "5"
    & skf21("6","5","1","3","2","5","3","1") = "5"
    & skf21("6","5","1","3","2","5","4","1") = "5"
    & skf21("6","5","1","3","2","5","5","1") = "5"
    & skf21("6","5","1","3","2","5","6","1") = "5"
    & skf21("6","5","1","3","2","5","7","1") = "6"
    & skf21("6","5","1","3","2","6","1","1") = "5"
    & skf21("6","5","1","3","2","6","2","1") = "5"
    & skf21("6","5","1","3","2","6","3","1") = "5"
    & skf21("6","5","1","3","2","6","4","1") = "5"
    & skf21("6","5","1","3","2","6","5","1") = "5"
    & skf21("6","5","1","3","2","6","6","1") = "5"
    & skf21("6","5","1","3","2","6","7","1") = "6"
    & skf21("6","5","1","3","2","7","1","1") = "6"
    & skf21("6","5","1","3","2","7","2","1") = "6"
    & skf21("6","5","1","3","2","7","3","1") = "6"
    & skf21("6","5","1","3","2","7","4","1") = "6"
    & skf21("6","5","1","3","2","7","5","1") = "6"
    & skf21("6","5","1","3","2","7","6","1") = "6"
    & skf21("6","5","1","3","2","7","7","1") = "6"
    & skf21("6","5","1","3","3","1","1","1") = "5"
    & skf21("6","5","1","3","3","1","2","1") = "5"
    & skf21("6","5","1","3","3","1","3","1") = "5"
    & skf21("6","5","1","3","3","1","4","1") = "5"
    & skf21("6","5","1","3","3","1","5","1") = "5"
    & skf21("6","5","1","3","3","1","6","1") = "5"
    & skf21("6","5","1","3","3","1","7","1") = "6"
    & skf21("6","5","1","3","3","2","1","1") = "5"
    & skf21("6","5","1","3","3","2","2","1") = "5"
    & skf21("6","5","1","3","3","2","3","1") = "5"
    & skf21("6","5","1","3","3","2","4","1") = "5"
    & skf21("6","5","1","3","3","2","5","1") = "5"
    & skf21("6","5","1","3","3","2","6","1") = "5"
    & skf21("6","5","1","3","3","2","7","1") = "6"
    & skf21("6","5","1","3","3","3","1","1") = "5"
    & skf21("6","5","1","3","3","3","2","1") = "5"
    & skf21("6","5","1","3","3","3","3","1") = "5"
    & skf21("6","5","1","3","3","3","4","1") = "5"
    & skf21("6","5","1","3","3","3","5","1") = "5"
    & skf21("6","5","1","3","3","3","6","1") = "5"
    & skf21("6","5","1","3","3","3","7","1") = "6"
    & skf21("6","5","1","3","3","4","1","1") = "5"
    & skf21("6","5","1","3","3","4","2","1") = "5"
    & skf21("6","5","1","3","3","4","3","1") = "5"
    & skf21("6","5","1","3","3","4","4","1") = "5"
    & skf21("6","5","1","3","3","4","5","1") = "5"
    & skf21("6","5","1","3","3","4","6","1") = "5"
    & skf21("6","5","1","3","3","4","7","1") = "6"
    & skf21("6","5","1","3","3","5","1","1") = "5"
    & skf21("6","5","1","3","3","5","2","1") = "5"
    & skf21("6","5","1","3","3","5","3","1") = "5"
    & skf21("6","5","1","3","3","5","4","1") = "5"
    & skf21("6","5","1","3","3","5","5","1") = "5"
    & skf21("6","5","1","3","3","5","6","1") = "5"
    & skf21("6","5","1","3","3","5","7","1") = "6"
    & skf21("6","5","1","3","3","6","1","1") = "5"
    & skf21("6","5","1","3","3","6","2","1") = "5"
    & skf21("6","5","1","3","3","6","3","1") = "5"
    & skf21("6","5","1","3","3","6","4","1") = "5"
    & skf21("6","5","1","3","3","6","5","1") = "5"
    & skf21("6","5","1","3","3","6","6","1") = "5"
    & skf21("6","5","1","3","3","6","7","1") = "6"
    & skf21("6","5","1","3","3","7","1","1") = "6"
    & skf21("6","5","1","3","3","7","2","1") = "6"
    & skf21("6","5","1","3","3","7","3","1") = "6"
    & skf21("6","5","1","3","3","7","4","1") = "6"
    & skf21("6","5","1","3","3","7","5","1") = "6"
    & skf21("6","5","1","3","3","7","6","1") = "6"
    & skf21("6","5","1","3","3","7","7","1") = "6"
    & skf21("6","5","1","3","4","1","1","1") = "5"
    & skf21("6","5","1","3","4","1","2","1") = "5"
    & skf21("6","5","1","3","4","1","3","1") = "5"
    & skf21("6","5","1","3","4","1","4","1") = "5"
    & skf21("6","5","1","3","4","1","5","1") = "5"
    & skf21("6","5","1","3","4","1","6","1") = "5"
    & skf21("6","5","1","3","4","1","7","1") = "6"
    & skf21("6","5","1","3","4","2","1","1") = "5"
    & skf21("6","5","1","3","4","2","2","1") = "5"
    & skf21("6","5","1","3","4","2","3","1") = "5"
    & skf21("6","5","1","3","4","2","4","1") = "5"
    & skf21("6","5","1","3","4","2","5","1") = "5"
    & skf21("6","5","1","3","4","2","6","1") = "5"
    & skf21("6","5","1","3","4","2","7","1") = "6"
    & skf21("6","5","1","3","4","3","1","1") = "5"
    & skf21("6","5","1","3","4","3","2","1") = "5"
    & skf21("6","5","1","3","4","3","3","1") = "5"
    & skf21("6","5","1","3","4","3","4","1") = "5"
    & skf21("6","5","1","3","4","3","5","1") = "5"
    & skf21("6","5","1","3","4","3","6","1") = "5"
    & skf21("6","5","1","3","4","3","7","1") = "6"
    & skf21("6","5","1","3","4","4","1","1") = "5"
    & skf21("6","5","1","3","4","4","2","1") = "5"
    & skf21("6","5","1","3","4","4","3","1") = "5"
    & skf21("6","5","1","3","4","4","4","1") = "5"
    & skf21("6","5","1","3","4","4","5","1") = "5"
    & skf21("6","5","1","3","4","4","6","1") = "5"
    & skf21("6","5","1","3","4","4","7","1") = "6"
    & skf21("6","5","1","3","4","5","1","1") = "5"
    & skf21("6","5","1","3","4","5","2","1") = "5"
    & skf21("6","5","1","3","4","5","3","1") = "5"
    & skf21("6","5","1","3","4","5","4","1") = "5"
    & skf21("6","5","1","3","4","5","5","1") = "5"
    & skf21("6","5","1","3","4","5","6","1") = "5"
    & skf21("6","5","1","3","4","5","7","1") = "6"
    & skf21("6","5","1","3","4","6","1","1") = "5"
    & skf21("6","5","1","3","4","6","2","1") = "5"
    & skf21("6","5","1","3","4","6","3","1") = "5"
    & skf21("6","5","1","3","4","6","4","1") = "5"
    & skf21("6","5","1","3","4","6","5","1") = "5"
    & skf21("6","5","1","3","4","6","6","1") = "5"
    & skf21("6","5","1","3","4","6","7","1") = "6"
    & skf21("6","5","1","3","4","7","1","1") = "6"
    & skf21("6","5","1","3","4","7","2","1") = "6"
    & skf21("6","5","1","3","4","7","3","1") = "6"
    & skf21("6","5","1","3","4","7","4","1") = "6"
    & skf21("6","5","1","3","4","7","5","1") = "6"
    & skf21("6","5","1","3","4","7","6","1") = "6"
    & skf21("6","5","1","3","4","7","7","1") = "6"
    & skf21("6","5","1","3","5","1","1","1") = "5"
    & skf21("6","5","1","3","5","1","2","1") = "5"
    & skf21("6","5","1","3","5","1","3","1") = "5"
    & skf21("6","5","1","3","5","1","4","1") = "5"
    & skf21("6","5","1","3","5","1","5","1") = "5"
    & skf21("6","5","1","3","5","1","6","1") = "5"
    & skf21("6","5","1","3","5","1","7","1") = "6"
    & skf21("6","5","1","3","5","2","1","1") = "5"
    & skf21("6","5","1","3","5","2","2","1") = "5"
    & skf21("6","5","1","3","5","2","3","1") = "5"
    & skf21("6","5","1","3","5","2","4","1") = "5"
    & skf21("6","5","1","3","5","2","5","1") = "5"
    & skf21("6","5","1","3","5","2","6","1") = "5"
    & skf21("6","5","1","3","5","2","7","1") = "6"
    & skf21("6","5","1","3","5","3","1","1") = "5"
    & skf21("6","5","1","3","5","3","2","1") = "5"
    & skf21("6","5","1","3","5","3","3","1") = "5"
    & skf21("6","5","1","3","5","3","4","1") = "5"
    & skf21("6","5","1","3","5","3","5","1") = "5"
    & skf21("6","5","1","3","5","3","6","1") = "5"
    & skf21("6","5","1","3","5","3","7","1") = "6"
    & skf21("6","5","1","3","5","4","1","1") = "5"
    & skf21("6","5","1","3","5","4","2","1") = "5"
    & skf21("6","5","1","3","5","4","3","1") = "5"
    & skf21("6","5","1","3","5","4","4","1") = "5"
    & skf21("6","5","1","3","5","4","5","1") = "5"
    & skf21("6","5","1","3","5","4","6","1") = "5"
    & skf21("6","5","1","3","5","4","7","1") = "6"
    & skf21("6","5","1","3","5","5","1","1") = "5"
    & skf21("6","5","1","3","5","5","2","1") = "5"
    & skf21("6","5","1","3","5","5","3","1") = "5"
    & skf21("6","5","1","3","5","5","4","1") = "5"
    & skf21("6","5","1","3","5","5","5","1") = "5"
    & skf21("6","5","1","3","5","5","6","1") = "5"
    & skf21("6","5","1","3","5","5","7","1") = "6"
    & skf21("6","5","1","3","5","6","1","1") = "5"
    & skf21("6","5","1","3","5","6","2","1") = "5"
    & skf21("6","5","1","3","5","6","3","1") = "5"
    & skf21("6","5","1","3","5","6","4","1") = "5"
    & skf21("6","5","1","3","5","6","5","1") = "5"
    & skf21("6","5","1","3","5","6","6","1") = "5"
    & skf21("6","5","1","3","5","6","7","1") = "6"
    & skf21("6","5","1","3","5","7","1","1") = "6"
    & skf21("6","5","1","3","5","7","2","1") = "6"
    & skf21("6","5","1","3","5","7","3","1") = "6"
    & skf21("6","5","1","3","5","7","4","1") = "6"
    & skf21("6","5","1","3","5","7","5","1") = "6"
    & skf21("6","5","1","3","5","7","6","1") = "6"
    & skf21("6","5","1","3","5","7","7","1") = "6"
    & skf21("6","5","1","3","6","1","1","1") = "5"
    & skf21("6","5","1","3","6","1","2","1") = "5"
    & skf21("6","5","1","3","6","1","3","1") = "5"
    & skf21("6","5","1","3","6","1","4","1") = "5"
    & skf21("6","5","1","3","6","1","5","1") = "5"
    & skf21("6","5","1","3","6","1","6","1") = "5"
    & skf21("6","5","1","3","6","1","7","1") = "6"
    & skf21("6","5","1","3","6","2","1","1") = "5"
    & skf21("6","5","1","3","6","2","2","1") = "5"
    & skf21("6","5","1","3","6","2","3","1") = "5"
    & skf21("6","5","1","3","6","2","4","1") = "5"
    & skf21("6","5","1","3","6","2","5","1") = "5"
    & skf21("6","5","1","3","6","2","6","1") = "5"
    & skf21("6","5","1","3","6","2","7","1") = "6"
    & skf21("6","5","1","3","6","3","1","1") = "5"
    & skf21("6","5","1","3","6","3","2","1") = "5"
    & skf21("6","5","1","3","6","3","3","1") = "5"
    & skf21("6","5","1","3","6","3","4","1") = "5"
    & skf21("6","5","1","3","6","3","5","1") = "5"
    & skf21("6","5","1","3","6","3","6","1") = "5"
    & skf21("6","5","1","3","6","3","7","1") = "6"
    & skf21("6","5","1","3","6","4","1","1") = "5"
    & skf21("6","5","1","3","6","4","2","1") = "5"
    & skf21("6","5","1","3","6","4","3","1") = "5"
    & skf21("6","5","1","3","6","4","4","1") = "5"
    & skf21("6","5","1","3","6","4","5","1") = "5"
    & skf21("6","5","1","3","6","4","6","1") = "5"
    & skf21("6","5","1","3","6","4","7","1") = "6"
    & skf21("6","5","1","3","6","5","1","1") = "5"
    & skf21("6","5","1","3","6","5","2","1") = "5"
    & skf21("6","5","1","3","6","5","3","1") = "5"
    & skf21("6","5","1","3","6","5","4","1") = "5"
    & skf21("6","5","1","3","6","5","5","1") = "5"
    & skf21("6","5","1","3","6","5","6","1") = "5"
    & skf21("6","5","1","3","6","5","7","1") = "6"
    & skf21("6","5","1","3","6","6","1","1") = "5"
    & skf21("6","5","1","3","6","6","2","1") = "5"
    & skf21("6","5","1","3","6","6","3","1") = "5"
    & skf21("6","5","1","3","6","6","4","1") = "5"
    & skf21("6","5","1","3","6","6","5","1") = "5"
    & skf21("6","5","1","3","6","6","6","1") = "5"
    & skf21("6","5","1","3","6","6","7","1") = "6"
    & skf21("6","5","1","3","6","7","1","1") = "6"
    & skf21("6","5","1","3","6","7","2","1") = "6"
    & skf21("6","5","1","3","6","7","3","1") = "6"
    & skf21("6","5","1","3","6","7","4","1") = "6"
    & skf21("6","5","1","3","6","7","5","1") = "6"
    & skf21("6","5","1","3","6","7","6","1") = "6"
    & skf21("6","5","1","3","6","7","7","1") = "6"
    & skf21("6","5","1","3","7","1","1","1") = "6"
    & skf21("6","5","1","3","7","1","2","1") = "6"
    & skf21("6","5","1","3","7","1","3","1") = "6"
    & skf21("6","5","1","3","7","1","4","1") = "6"
    & skf21("6","5","1","3","7","1","5","1") = "6"
    & skf21("6","5","1","3","7","1","6","1") = "6"
    & skf21("6","5","1","3","7","1","7","1") = "6"
    & skf21("6","5","1","3","7","2","1","1") = "6"
    & skf21("6","5","1","3","7","2","2","1") = "6"
    & skf21("6","5","1","3","7","2","3","1") = "6"
    & skf21("6","5","1","3","7","2","4","1") = "6"
    & skf21("6","5","1","3","7","2","5","1") = "6"
    & skf21("6","5","1","3","7","2","6","1") = "6"
    & skf21("6","5","1","3","7","2","7","1") = "6"
    & skf21("6","5","1","3","7","3","1","1") = "6"
    & skf21("6","5","1","3","7","3","2","1") = "6"
    & skf21("6","5","1","3","7","3","3","1") = "6"
    & skf21("6","5","1","3","7","3","4","1") = "6"
    & skf21("6","5","1","3","7","3","5","1") = "6"
    & skf21("6","5","1","3","7","3","6","1") = "6"
    & skf21("6","5","1","3","7","3","7","1") = "6"
    & skf21("6","5","1","3","7","4","1","1") = "6"
    & skf21("6","5","1","3","7","4","2","1") = "6"
    & skf21("6","5","1","3","7","4","3","1") = "6"
    & skf21("6","5","1","3","7","4","4","1") = "6"
    & skf21("6","5","1","3","7","4","5","1") = "6"
    & skf21("6","5","1","3","7","4","6","1") = "6"
    & skf21("6","5","1","3","7","4","7","1") = "6"
    & skf21("6","5","1","3","7","5","1","1") = "6"
    & skf21("6","5","1","3","7","5","2","1") = "6"
    & skf21("6","5","1","3","7","5","3","1") = "6"
    & skf21("6","5","1","3","7","5","4","1") = "6"
    & skf21("6","5","1","3","7","5","5","1") = "6"
    & skf21("6","5","1","3","7","5","6","1") = "6"
    & skf21("6","5","1","3","7","5","7","1") = "6"
    & skf21("6","5","1","3","7","6","1","1") = "6"
    & skf21("6","5","1","3","7","6","2","1") = "6"
    & skf21("6","5","1","3","7","6","3","1") = "6"
    & skf21("6","5","1","3","7","6","4","1") = "6"
    & skf21("6","5","1","3","7","6","5","1") = "6"
    & skf21("6","5","1","3","7","6","6","1") = "6"
    & skf21("6","5","1","3","7","6","7","1") = "6"
    & skf21("6","5","1","3","7","7","1","1") = "6"
    & skf21("6","5","1","3","7","7","2","1") = "6"
    & skf21("6","5","1","3","7","7","3","1") = "6"
    & skf21("6","5","1","3","7","7","4","1") = "6"
    & skf21("6","5","1","3","7","7","5","1") = "6"
    & skf21("6","5","1","3","7","7","6","1") = "6"
    & skf21("6","5","1","3","7","7","7","1") = "6"
    & skf21("6","5","1","4","1","1","1","1") = "5"
    & skf21("6","5","1","4","1","1","2","1") = "5"
    & skf21("6","5","1","4","1","1","3","1") = "5"
    & skf21("6","5","1","4","1","1","4","1") = "5"
    & skf21("6","5","1","4","1","1","5","1") = "5"
    & skf21("6","5","1","4","1","1","6","1") = "5"
    & skf21("6","5","1","4","1","1","7","1") = "6"
    & skf21("6","5","1","4","1","2","1","1") = "5"
    & skf21("6","5","1","4","1","2","2","1") = "5"
    & skf21("6","5","1","4","1","2","3","1") = "5"
    & skf21("6","5","1","4","1","2","4","1") = "5"
    & skf21("6","5","1","4","1","2","5","1") = "5"
    & skf21("6","5","1","4","1","2","6","1") = "5"
    & skf21("6","5","1","4","1","2","7","1") = "6"
    & skf21("6","5","1","4","1","3","1","1") = "5"
    & skf21("6","5","1","4","1","3","2","1") = "5"
    & skf21("6","5","1","4","1","3","3","1") = "5"
    & skf21("6","5","1","4","1","3","4","1") = "5"
    & skf21("6","5","1","4","1","3","5","1") = "5"
    & skf21("6","5","1","4","1","3","6","1") = "5"
    & skf21("6","5","1","4","1","3","7","1") = "6"
    & skf21("6","5","1","4","1","4","1","1") = "5"
    & skf21("6","5","1","4","1","4","2","1") = "5"
    & skf21("6","5","1","4","1","4","3","1") = "5"
    & skf21("6","5","1","4","1","4","4","1") = "5"
    & skf21("6","5","1","4","1","4","5","1") = "5"
    & skf21("6","5","1","4","1","4","6","1") = "5"
    & skf21("6","5","1","4","1","4","7","1") = "6"
    & skf21("6","5","1","4","1","5","1","1") = "5"
    & skf21("6","5","1","4","1","5","2","1") = "5"
    & skf21("6","5","1","4","1","5","3","1") = "5"
    & skf21("6","5","1","4","1","5","4","1") = "5"
    & skf21("6","5","1","4","1","5","5","1") = "5"
    & skf21("6","5","1","4","1","5","6","1") = "5"
    & skf21("6","5","1","4","1","5","7","1") = "6"
    & skf21("6","5","1","4","1","6","1","1") = "5"
    & skf21("6","5","1","4","1","6","2","1") = "5"
    & skf21("6","5","1","4","1","6","3","1") = "5"
    & skf21("6","5","1","4","1","6","4","1") = "5"
    & skf21("6","5","1","4","1","6","5","1") = "5"
    & skf21("6","5","1","4","1","6","6","1") = "5"
    & skf21("6","5","1","4","1","6","7","1") = "6"
    & skf21("6","5","1","4","1","7","1","1") = "6"
    & skf21("6","5","1","4","1","7","2","1") = "6"
    & skf21("6","5","1","4","1","7","3","1") = "6"
    & skf21("6","5","1","4","1","7","4","1") = "6"
    & skf21("6","5","1","4","1","7","5","1") = "6"
    & skf21("6","5","1","4","1","7","6","1") = "6"
    & skf21("6","5","1","4","1","7","7","1") = "6"
    & skf21("6","5","1","4","2","1","1","1") = "5"
    & skf21("6","5","1","4","2","1","2","1") = "5"
    & skf21("6","5","1","4","2","1","3","1") = "5"
    & skf21("6","5","1","4","2","1","4","1") = "5"
    & skf21("6","5","1","4","2","1","5","1") = "5"
    & skf21("6","5","1","4","2","1","6","1") = "5"
    & skf21("6","5","1","4","2","1","7","1") = "6"
    & skf21("6","5","1","4","2","2","1","1") = "5"
    & skf21("6","5","1","4","2","2","2","1") = "5"
    & skf21("6","5","1","4","2","2","3","1") = "5"
    & skf21("6","5","1","4","2","2","4","1") = "5"
    & skf21("6","5","1","4","2","2","5","1") = "5"
    & skf21("6","5","1","4","2","2","6","1") = "5"
    & skf21("6","5","1","4","2","2","7","1") = "6"
    & skf21("6","5","1","4","2","3","1","1") = "5"
    & skf21("6","5","1","4","2","3","2","1") = "5"
    & skf21("6","5","1","4","2","3","3","1") = "5"
    & skf21("6","5","1","4","2","3","4","1") = "5"
    & skf21("6","5","1","4","2","3","5","1") = "5"
    & skf21("6","5","1","4","2","3","6","1") = "5"
    & skf21("6","5","1","4","2","3","7","1") = "6"
    & skf21("6","5","1","4","2","4","1","1") = "5"
    & skf21("6","5","1","4","2","4","2","1") = "5"
    & skf21("6","5","1","4","2","4","3","1") = "5"
    & skf21("6","5","1","4","2","4","4","1") = "5"
    & skf21("6","5","1","4","2","4","5","1") = "5"
    & skf21("6","5","1","4","2","4","6","1") = "5"
    & skf21("6","5","1","4","2","4","7","1") = "6"
    & skf21("6","5","1","4","2","5","1","1") = "5"
    & skf21("6","5","1","4","2","5","2","1") = "5"
    & skf21("6","5","1","4","2","5","3","1") = "5"
    & skf21("6","5","1","4","2","5","4","1") = "5"
    & skf21("6","5","1","4","2","5","5","1") = "5"
    & skf21("6","5","1","4","2","5","6","1") = "5"
    & skf21("6","5","1","4","2","5","7","1") = "6"
    & skf21("6","5","1","4","2","6","1","1") = "5"
    & skf21("6","5","1","4","2","6","2","1") = "5"
    & skf21("6","5","1","4","2","6","3","1") = "5"
    & skf21("6","5","1","4","2","6","4","1") = "5"
    & skf21("6","5","1","4","2","6","5","1") = "5"
    & skf21("6","5","1","4","2","6","6","1") = "5"
    & skf21("6","5","1","4","2","6","7","1") = "6"
    & skf21("6","5","1","4","2","7","1","1") = "6"
    & skf21("6","5","1","4","2","7","2","1") = "6"
    & skf21("6","5","1","4","2","7","3","1") = "6"
    & skf21("6","5","1","4","2","7","4","1") = "6"
    & skf21("6","5","1","4","2","7","5","1") = "6"
    & skf21("6","5","1","4","2","7","6","1") = "6"
    & skf21("6","5","1","4","2","7","7","1") = "6"
    & skf21("6","5","1","4","3","1","1","1") = "5"
    & skf21("6","5","1","4","3","1","2","1") = "5"
    & skf21("6","5","1","4","3","1","3","1") = "5"
    & skf21("6","5","1","4","3","1","4","1") = "5"
    & skf21("6","5","1","4","3","1","5","1") = "5"
    & skf21("6","5","1","4","3","1","6","1") = "5"
    & skf21("6","5","1","4","3","1","7","1") = "6"
    & skf21("6","5","1","4","3","2","1","1") = "5"
    & skf21("6","5","1","4","3","2","2","1") = "5"
    & skf21("6","5","1","4","3","2","3","1") = "5"
    & skf21("6","5","1","4","3","2","4","1") = "5"
    & skf21("6","5","1","4","3","2","5","1") = "5"
    & skf21("6","5","1","4","3","2","6","1") = "5"
    & skf21("6","5","1","4","3","2","7","1") = "6"
    & skf21("6","5","1","4","3","3","1","1") = "5"
    & skf21("6","5","1","4","3","3","2","1") = "5"
    & skf21("6","5","1","4","3","3","3","1") = "5"
    & skf21("6","5","1","4","3","3","4","1") = "5"
    & skf21("6","5","1","4","3","3","5","1") = "5"
    & skf21("6","5","1","4","3","3","6","1") = "5"
    & skf21("6","5","1","4","3","3","7","1") = "6"
    & skf21("6","5","1","4","3","4","1","1") = "5"
    & skf21("6","5","1","4","3","4","2","1") = "5"
    & skf21("6","5","1","4","3","4","3","1") = "5"
    & skf21("6","5","1","4","3","4","4","1") = "5"
    & skf21("6","5","1","4","3","4","5","1") = "5"
    & skf21("6","5","1","4","3","4","6","1") = "5"
    & skf21("6","5","1","4","3","4","7","1") = "6"
    & skf21("6","5","1","4","3","5","1","1") = "5"
    & skf21("6","5","1","4","3","5","2","1") = "5"
    & skf21("6","5","1","4","3","5","3","1") = "5"
    & skf21("6","5","1","4","3","5","4","1") = "5"
    & skf21("6","5","1","4","3","5","5","1") = "5"
    & skf21("6","5","1","4","3","5","6","1") = "5"
    & skf21("6","5","1","4","3","5","7","1") = "6"
    & skf21("6","5","1","4","3","6","1","1") = "5"
    & skf21("6","5","1","4","3","6","2","1") = "5"
    & skf21("6","5","1","4","3","6","3","1") = "5"
    & skf21("6","5","1","4","3","6","4","1") = "5"
    & skf21("6","5","1","4","3","6","5","1") = "5"
    & skf21("6","5","1","4","3","6","6","1") = "5"
    & skf21("6","5","1","4","3","6","7","1") = "6"
    & skf21("6","5","1","4","3","7","1","1") = "6"
    & skf21("6","5","1","4","3","7","2","1") = "6"
    & skf21("6","5","1","4","3","7","3","1") = "6"
    & skf21("6","5","1","4","3","7","4","1") = "6"
    & skf21("6","5","1","4","3","7","5","1") = "6"
    & skf21("6","5","1","4","3","7","6","1") = "6"
    & skf21("6","5","1","4","3","7","7","1") = "6"
    & skf21("6","5","1","4","4","1","1","1") = "5"
    & skf21("6","5","1","4","4","1","2","1") = "5"
    & skf21("6","5","1","4","4","1","3","1") = "5"
    & skf21("6","5","1","4","4","1","4","1") = "5"
    & skf21("6","5","1","4","4","1","5","1") = "5"
    & skf21("6","5","1","4","4","1","6","1") = "5"
    & skf21("6","5","1","4","4","1","7","1") = "6"
    & skf21("6","5","1","4","4","2","1","1") = "5"
    & skf21("6","5","1","4","4","2","2","1") = "5"
    & skf21("6","5","1","4","4","2","3","1") = "5"
    & skf21("6","5","1","4","4","2","4","1") = "5"
    & skf21("6","5","1","4","4","2","5","1") = "5"
    & skf21("6","5","1","4","4","2","6","1") = "5"
    & skf21("6","5","1","4","4","2","7","1") = "6"
    & skf21("6","5","1","4","4","3","1","1") = "5"
    & skf21("6","5","1","4","4","3","2","1") = "5"
    & skf21("6","5","1","4","4","3","3","1") = "5"
    & skf21("6","5","1","4","4","3","4","1") = "5"
    & skf21("6","5","1","4","4","3","5","1") = "5"
    & skf21("6","5","1","4","4","3","6","1") = "5"
    & skf21("6","5","1","4","4","3","7","1") = "6"
    & skf21("6","5","1","4","4","4","1","1") = "5"
    & skf21("6","5","1","4","4","4","2","1") = "5"
    & skf21("6","5","1","4","4","4","3","1") = "5"
    & skf21("6","5","1","4","4","4","4","1") = "5"
    & skf21("6","5","1","4","4","4","5","1") = "5"
    & skf21("6","5","1","4","4","4","6","1") = "5"
    & skf21("6","5","1","4","4","4","7","1") = "6"
    & skf21("6","5","1","4","4","5","1","1") = "5"
    & skf21("6","5","1","4","4","5","2","1") = "5"
    & skf21("6","5","1","4","4","5","3","1") = "5"
    & skf21("6","5","1","4","4","5","4","1") = "5"
    & skf21("6","5","1","4","4","5","5","1") = "5"
    & skf21("6","5","1","4","4","5","6","1") = "5"
    & skf21("6","5","1","4","4","5","7","1") = "6"
    & skf21("6","5","1","4","4","6","1","1") = "5"
    & skf21("6","5","1","4","4","6","2","1") = "5"
    & skf21("6","5","1","4","4","6","3","1") = "5"
    & skf21("6","5","1","4","4","6","4","1") = "5"
    & skf21("6","5","1","4","4","6","5","1") = "5"
    & skf21("6","5","1","4","4","6","6","1") = "5"
    & skf21("6","5","1","4","4","6","7","1") = "6"
    & skf21("6","5","1","4","4","7","1","1") = "6"
    & skf21("6","5","1","4","4","7","2","1") = "6"
    & skf21("6","5","1","4","4","7","3","1") = "6"
    & skf21("6","5","1","4","4","7","4","1") = "6"
    & skf21("6","5","1","4","4","7","5","1") = "6"
    & skf21("6","5","1","4","4","7","6","1") = "6"
    & skf21("6","5","1","4","4","7","7","1") = "6"
    & skf21("6","5","1","4","5","1","1","1") = "5"
    & skf21("6","5","1","4","5","1","2","1") = "5"
    & skf21("6","5","1","4","5","1","3","1") = "5"
    & skf21("6","5","1","4","5","1","4","1") = "5"
    & skf21("6","5","1","4","5","1","5","1") = "5"
    & skf21("6","5","1","4","5","1","6","1") = "5"
    & skf21("6","5","1","4","5","1","7","1") = "6"
    & skf21("6","5","1","4","5","2","1","1") = "5"
    & skf21("6","5","1","4","5","2","2","1") = "5"
    & skf21("6","5","1","4","5","2","3","1") = "5"
    & skf21("6","5","1","4","5","2","4","1") = "5"
    & skf21("6","5","1","4","5","2","5","1") = "5"
    & skf21("6","5","1","4","5","2","6","1") = "5"
    & skf21("6","5","1","4","5","2","7","1") = "6"
    & skf21("6","5","1","4","5","3","1","1") = "5"
    & skf21("6","5","1","4","5","3","2","1") = "5"
    & skf21("6","5","1","4","5","3","3","1") = "5"
    & skf21("6","5","1","4","5","3","4","1") = "5"
    & skf21("6","5","1","4","5","3","5","1") = "5"
    & skf21("6","5","1","4","5","3","6","1") = "5"
    & skf21("6","5","1","4","5","3","7","1") = "6"
    & skf21("6","5","1","4","5","4","1","1") = "5"
    & skf21("6","5","1","4","5","4","2","1") = "5"
    & skf21("6","5","1","4","5","4","3","1") = "5"
    & skf21("6","5","1","4","5","4","4","1") = "5"
    & skf21("6","5","1","4","5","4","5","1") = "5"
    & skf21("6","5","1","4","5","4","6","1") = "5"
    & skf21("6","5","1","4","5","4","7","1") = "6"
    & skf21("6","5","1","4","5","5","1","1") = "5"
    & skf21("6","5","1","4","5","5","2","1") = "5"
    & skf21("6","5","1","4","5","5","3","1") = "5"
    & skf21("6","5","1","4","5","5","4","1") = "5"
    & skf21("6","5","1","4","5","5","5","1") = "5"
    & skf21("6","5","1","4","5","5","6","1") = "5"
    & skf21("6","5","1","4","5","5","7","1") = "6"
    & skf21("6","5","1","4","5","6","1","1") = "5"
    & skf21("6","5","1","4","5","6","2","1") = "5"
    & skf21("6","5","1","4","5","6","3","1") = "5"
    & skf21("6","5","1","4","5","6","4","1") = "5"
    & skf21("6","5","1","4","5","6","5","1") = "5"
    & skf21("6","5","1","4","5","6","6","1") = "5"
    & skf21("6","5","1","4","5","6","7","1") = "6"
    & skf21("6","5","1","4","5","7","1","1") = "6"
    & skf21("6","5","1","4","5","7","2","1") = "6"
    & skf21("6","5","1","4","5","7","3","1") = "6"
    & skf21("6","5","1","4","5","7","4","1") = "6"
    & skf21("6","5","1","4","5","7","5","1") = "6"
    & skf21("6","5","1","4","5","7","6","1") = "6"
    & skf21("6","5","1","4","5","7","7","1") = "6"
    & skf21("6","5","1","4","6","1","1","1") = "5"
    & skf21("6","5","1","4","6","1","2","1") = "5"
    & skf21("6","5","1","4","6","1","3","1") = "5"
    & skf21("6","5","1","4","6","1","4","1") = "5"
    & skf21("6","5","1","4","6","1","5","1") = "5"
    & skf21("6","5","1","4","6","1","6","1") = "5"
    & skf21("6","5","1","4","6","1","7","1") = "6"
    & skf21("6","5","1","4","6","2","1","1") = "5"
    & skf21("6","5","1","4","6","2","2","1") = "5"
    & skf21("6","5","1","4","6","2","3","1") = "5"
    & skf21("6","5","1","4","6","2","4","1") = "5"
    & skf21("6","5","1","4","6","2","5","1") = "5"
    & skf21("6","5","1","4","6","2","6","1") = "5"
    & skf21("6","5","1","4","6","2","7","1") = "6"
    & skf21("6","5","1","4","6","3","1","1") = "5"
    & skf21("6","5","1","4","6","3","2","1") = "5"
    & skf21("6","5","1","4","6","3","3","1") = "5"
    & skf21("6","5","1","4","6","3","4","1") = "5"
    & skf21("6","5","1","4","6","3","5","1") = "5"
    & skf21("6","5","1","4","6","3","6","1") = "5"
    & skf21("6","5","1","4","6","3","7","1") = "6"
    & skf21("6","5","1","4","6","4","1","1") = "5"
    & skf21("6","5","1","4","6","4","2","1") = "5"
    & skf21("6","5","1","4","6","4","3","1") = "5"
    & skf21("6","5","1","4","6","4","4","1") = "5"
    & skf21("6","5","1","4","6","4","5","1") = "5"
    & skf21("6","5","1","4","6","4","6","1") = "5"
    & skf21("6","5","1","4","6","4","7","1") = "6"
    & skf21("6","5","1","4","6","5","1","1") = "5"
    & skf21("6","5","1","4","6","5","2","1") = "5"
    & skf21("6","5","1","4","6","5","3","1") = "5"
    & skf21("6","5","1","4","6","5","4","1") = "5"
    & skf21("6","5","1","4","6","5","5","1") = "5"
    & skf21("6","5","1","4","6","5","6","1") = "5"
    & skf21("6","5","1","4","6","5","7","1") = "6"
    & skf21("6","5","1","4","6","6","1","1") = "5"
    & skf21("6","5","1","4","6","6","2","1") = "5"
    & skf21("6","5","1","4","6","6","3","1") = "5"
    & skf21("6","5","1","4","6","6","4","1") = "5"
    & skf21("6","5","1","4","6","6","5","1") = "5"
    & skf21("6","5","1","4","6","6","6","1") = "5"
    & skf21("6","5","1","4","6","6","7","1") = "6"
    & skf21("6","5","1","4","6","7","1","1") = "6"
    & skf21("6","5","1","4","6","7","2","1") = "6"
    & skf21("6","5","1","4","6","7","3","1") = "6"
    & skf21("6","5","1","4","6","7","4","1") = "6"
    & skf21("6","5","1","4","6","7","5","1") = "6"
    & skf21("6","5","1","4","6","7","6","1") = "6"
    & skf21("6","5","1","4","6","7","7","1") = "6"
    & skf21("6","5","1","4","7","1","1","1") = "6"
    & skf21("6","5","1","4","7","1","2","1") = "6"
    & skf21("6","5","1","4","7","1","3","1") = "6"
    & skf21("6","5","1","4","7","1","4","1") = "6"
    & skf21("6","5","1","4","7","1","5","1") = "6"
    & skf21("6","5","1","4","7","1","6","1") = "6"
    & skf21("6","5","1","4","7","1","7","1") = "6"
    & skf21("6","5","1","4","7","2","1","1") = "6"
    & skf21("6","5","1","4","7","2","2","1") = "6"
    & skf21("6","5","1","4","7","2","3","1") = "6"
    & skf21("6","5","1","4","7","2","4","1") = "6"
    & skf21("6","5","1","4","7","2","5","1") = "6"
    & skf21("6","5","1","4","7","2","6","1") = "6"
    & skf21("6","5","1","4","7","2","7","1") = "6"
    & skf21("6","5","1","4","7","3","1","1") = "6"
    & skf21("6","5","1","4","7","3","2","1") = "6"
    & skf21("6","5","1","4","7","3","3","1") = "6"
    & skf21("6","5","1","4","7","3","4","1") = "6"
    & skf21("6","5","1","4","7","3","5","1") = "6"
    & skf21("6","5","1","4","7","3","6","1") = "6"
    & skf21("6","5","1","4","7","3","7","1") = "6"
    & skf21("6","5","1","4","7","4","1","1") = "6"
    & skf21("6","5","1","4","7","4","2","1") = "6"
    & skf21("6","5","1","4","7","4","3","1") = "6"
    & skf21("6","5","1","4","7","4","4","1") = "6"
    & skf21("6","5","1","4","7","4","5","1") = "6"
    & skf21("6","5","1","4","7","4","6","1") = "6"
    & skf21("6","5","1","4","7","4","7","1") = "6"
    & skf21("6","5","1","4","7","5","1","1") = "6"
    & skf21("6","5","1","4","7","5","2","1") = "6"
    & skf21("6","5","1","4","7","5","3","1") = "6"
    & skf21("6","5","1","4","7","5","4","1") = "6"
    & skf21("6","5","1","4","7","5","5","1") = "6"
    & skf21("6","5","1","4","7","5","6","1") = "6"
    & skf21("6","5","1","4","7","5","7","1") = "6"
    & skf21("6","5","1","4","7","6","1","1") = "6"
    & skf21("6","5","1","4","7","6","2","1") = "6"
    & skf21("6","5","1","4","7","6","3","1") = "6"
    & skf21("6","5","1","4","7","6","4","1") = "6"
    & skf21("6","5","1","4","7","6","5","1") = "6"
    & skf21("6","5","1","4","7","6","6","1") = "6"
    & skf21("6","5","1","4","7","6","7","1") = "6"
    & skf21("6","5","1","4","7","7","1","1") = "6"
    & skf21("6","5","1","4","7","7","2","1") = "6"
    & skf21("6","5","1","4","7","7","3","1") = "6"
    & skf21("6","5","1","4","7","7","4","1") = "6"
    & skf21("6","5","1","4","7","7","5","1") = "6"
    & skf21("6","5","1","4","7","7","6","1") = "6"
    & skf21("6","5","1","4","7","7","7","1") = "6"
    & skf21("6","5","1","5","1","1","1","1") = "5"
    & skf21("6","5","1","5","1","1","2","1") = "5"
    & skf21("6","5","1","5","1","1","3","1") = "5"
    & skf21("6","5","1","5","1","1","4","1") = "5"
    & skf21("6","5","1","5","1","1","5","1") = "5"
    & skf21("6","5","1","5","1","1","6","1") = "5"
    & skf21("6","5","1","5","1","1","7","1") = "6"
    & skf21("6","5","1","5","1","2","1","1") = "5"
    & skf21("6","5","1","5","1","2","2","1") = "5"
    & skf21("6","5","1","5","1","2","3","1") = "5"
    & skf21("6","5","1","5","1","2","4","1") = "5"
    & skf21("6","5","1","5","1","2","5","1") = "5"
    & skf21("6","5","1","5","1","2","6","1") = "5"
    & skf21("6","5","1","5","1","2","7","1") = "6"
    & skf21("6","5","1","5","1","3","1","1") = "5"
    & skf21("6","5","1","5","1","3","2","1") = "5"
    & skf21("6","5","1","5","1","3","3","1") = "5"
    & skf21("6","5","1","5","1","3","4","1") = "5"
    & skf21("6","5","1","5","1","3","5","1") = "5"
    & skf21("6","5","1","5","1","3","6","1") = "5"
    & skf21("6","5","1","5","1","3","7","1") = "6"
    & skf21("6","5","1","5","1","4","1","1") = "5"
    & skf21("6","5","1","5","1","4","2","1") = "5"
    & skf21("6","5","1","5","1","4","3","1") = "5"
    & skf21("6","5","1","5","1","4","4","1") = "5"
    & skf21("6","5","1","5","1","4","5","1") = "5"
    & skf21("6","5","1","5","1","4","6","1") = "5"
    & skf21("6","5","1","5","1","4","7","1") = "6"
    & skf21("6","5","1","5","1","5","1","1") = "5"
    & skf21("6","5","1","5","1","5","2","1") = "5"
    & skf21("6","5","1","5","1","5","3","1") = "5"
    & skf21("6","5","1","5","1","5","4","1") = "5"
    & skf21("6","5","1","5","1","5","5","1") = "5"
    & skf21("6","5","1","5","1","5","6","1") = "5"
    & skf21("6","5","1","5","1","5","7","1") = "6"
    & skf21("6","5","1","5","1","6","1","1") = "5"
    & skf21("6","5","1","5","1","6","2","1") = "5"
    & skf21("6","5","1","5","1","6","3","1") = "5"
    & skf21("6","5","1","5","1","6","4","1") = "5"
    & skf21("6","5","1","5","1","6","5","1") = "5"
    & skf21("6","5","1","5","1","6","6","1") = "5"
    & skf21("6","5","1","5","1","6","7","1") = "6"
    & skf21("6","5","1","5","1","7","1","1") = "6"
    & skf21("6","5","1","5","1","7","2","1") = "6"
    & skf21("6","5","1","5","1","7","3","1") = "6"
    & skf21("6","5","1","5","1","7","4","1") = "6"
    & skf21("6","5","1","5","1","7","5","1") = "6"
    & skf21("6","5","1","5","1","7","6","1") = "6"
    & skf21("6","5","1","5","1","7","7","1") = "6"
    & skf21("6","5","1","5","2","1","1","1") = "5"
    & skf21("6","5","1","5","2","1","2","1") = "5"
    & skf21("6","5","1","5","2","1","3","1") = "5"
    & skf21("6","5","1","5","2","1","4","1") = "5"
    & skf21("6","5","1","5","2","1","5","1") = "5"
    & skf21("6","5","1","5","2","1","6","1") = "5"
    & skf21("6","5","1","5","2","1","7","1") = "6"
    & skf21("6","5","1","5","2","2","1","1") = "5"
    & skf21("6","5","1","5","2","2","2","1") = "5"
    & skf21("6","5","1","5","2","2","3","1") = "5"
    & skf21("6","5","1","5","2","2","4","1") = "5"
    & skf21("6","5","1","5","2","2","5","1") = "5"
    & skf21("6","5","1","5","2","2","6","1") = "5"
    & skf21("6","5","1","5","2","2","7","1") = "6"
    & skf21("6","5","1","5","2","3","1","1") = "5"
    & skf21("6","5","1","5","2","3","2","1") = "5"
    & skf21("6","5","1","5","2","3","3","1") = "5"
    & skf21("6","5","1","5","2","3","4","1") = "5"
    & skf21("6","5","1","5","2","3","5","1") = "5"
    & skf21("6","5","1","5","2","3","6","1") = "5"
    & skf21("6","5","1","5","2","3","7","1") = "6"
    & skf21("6","5","1","5","2","4","1","1") = "5"
    & skf21("6","5","1","5","2","4","2","1") = "5"
    & skf21("6","5","1","5","2","4","3","1") = "5"
    & skf21("6","5","1","5","2","4","4","1") = "5"
    & skf21("6","5","1","5","2","4","5","1") = "5"
    & skf21("6","5","1","5","2","4","6","1") = "5"
    & skf21("6","5","1","5","2","4","7","1") = "6"
    & skf21("6","5","1","5","2","5","1","1") = "5"
    & skf21("6","5","1","5","2","5","2","1") = "5"
    & skf21("6","5","1","5","2","5","3","1") = "5"
    & skf21("6","5","1","5","2","5","4","1") = "5"
    & skf21("6","5","1","5","2","5","5","1") = "5"
    & skf21("6","5","1","5","2","5","6","1") = "5"
    & skf21("6","5","1","5","2","5","7","1") = "6"
    & skf21("6","5","1","5","2","6","1","1") = "5"
    & skf21("6","5","1","5","2","6","2","1") = "5"
    & skf21("6","5","1","5","2","6","3","1") = "5"
    & skf21("6","5","1","5","2","6","4","1") = "5"
    & skf21("6","5","1","5","2","6","5","1") = "5"
    & skf21("6","5","1","5","2","6","6","1") = "5"
    & skf21("6","5","1","5","2","6","7","1") = "6"
    & skf21("6","5","1","5","2","7","1","1") = "6"
    & skf21("6","5","1","5","2","7","2","1") = "6"
    & skf21("6","5","1","5","2","7","3","1") = "6"
    & skf21("6","5","1","5","2","7","4","1") = "6"
    & skf21("6","5","1","5","2","7","5","1") = "6"
    & skf21("6","5","1","5","2","7","6","1") = "6"
    & skf21("6","5","1","5","2","7","7","1") = "6"
    & skf21("6","5","1","5","3","1","1","1") = "5"
    & skf21("6","5","1","5","3","1","2","1") = "5"
    & skf21("6","5","1","5","3","1","3","1") = "5"
    & skf21("6","5","1","5","3","1","4","1") = "5"
    & skf21("6","5","1","5","3","1","5","1") = "5"
    & skf21("6","5","1","5","3","1","6","1") = "5"
    & skf21("6","5","1","5","3","1","7","1") = "6"
    & skf21("6","5","1","5","3","2","1","1") = "5"
    & skf21("6","5","1","5","3","2","2","1") = "5"
    & skf21("6","5","1","5","3","2","3","1") = "5"
    & skf21("6","5","1","5","3","2","4","1") = "5"
    & skf21("6","5","1","5","3","2","5","1") = "5"
    & skf21("6","5","1","5","3","2","6","1") = "5"
    & skf21("6","5","1","5","3","2","7","1") = "6"
    & skf21("6","5","1","5","3","3","1","1") = "5"
    & skf21("6","5","1","5","3","3","2","1") = "5"
    & skf21("6","5","1","5","3","3","3","1") = "5"
    & skf21("6","5","1","5","3","3","4","1") = "5"
    & skf21("6","5","1","5","3","3","5","1") = "5"
    & skf21("6","5","1","5","3","3","6","1") = "5"
    & skf21("6","5","1","5","3","3","7","1") = "6"
    & skf21("6","5","1","5","3","4","1","1") = "5"
    & skf21("6","5","1","5","3","4","2","1") = "5"
    & skf21("6","5","1","5","3","4","3","1") = "5"
    & skf21("6","5","1","5","3","4","4","1") = "5"
    & skf21("6","5","1","5","3","4","5","1") = "5"
    & skf21("6","5","1","5","3","4","6","1") = "5"
    & skf21("6","5","1","5","3","4","7","1") = "6"
    & skf21("6","5","1","5","3","5","1","1") = "5"
    & skf21("6","5","1","5","3","5","2","1") = "5"
    & skf21("6","5","1","5","3","5","3","1") = "5"
    & skf21("6","5","1","5","3","5","4","1") = "5"
    & skf21("6","5","1","5","3","5","5","1") = "5"
    & skf21("6","5","1","5","3","5","6","1") = "5"
    & skf21("6","5","1","5","3","5","7","1") = "6"
    & skf21("6","5","1","5","3","6","1","1") = "5"
    & skf21("6","5","1","5","3","6","2","1") = "5"
    & skf21("6","5","1","5","3","6","3","1") = "5"
    & skf21("6","5","1","5","3","6","4","1") = "5"
    & skf21("6","5","1","5","3","6","5","1") = "5"
    & skf21("6","5","1","5","3","6","6","1") = "5"
    & skf21("6","5","1","5","3","6","7","1") = "6"
    & skf21("6","5","1","5","3","7","1","1") = "6"
    & skf21("6","5","1","5","3","7","2","1") = "6"
    & skf21("6","5","1","5","3","7","3","1") = "6"
    & skf21("6","5","1","5","3","7","4","1") = "6"
    & skf21("6","5","1","5","3","7","5","1") = "6"
    & skf21("6","5","1","5","3","7","6","1") = "6"
    & skf21("6","5","1","5","3","7","7","1") = "6"
    & skf21("6","5","1","5","4","1","1","1") = "5"
    & skf21("6","5","1","5","4","1","2","1") = "5"
    & skf21("6","5","1","5","4","1","3","1") = "5"
    & skf21("6","5","1","5","4","1","4","1") = "5"
    & skf21("6","5","1","5","4","1","5","1") = "5"
    & skf21("6","5","1","5","4","1","6","1") = "5"
    & skf21("6","5","1","5","4","1","7","1") = "6"
    & skf21("6","5","1","5","4","2","1","1") = "5"
    & skf21("6","5","1","5","4","2","2","1") = "5"
    & skf21("6","5","1","5","4","2","3","1") = "5"
    & skf21("6","5","1","5","4","2","4","1") = "5"
    & skf21("6","5","1","5","4","2","5","1") = "5"
    & skf21("6","5","1","5","4","2","6","1") = "5"
    & skf21("6","5","1","5","4","2","7","1") = "6"
    & skf21("6","5","1","5","4","3","1","1") = "5"
    & skf21("6","5","1","5","4","3","2","1") = "5"
    & skf21("6","5","1","5","4","3","3","1") = "5"
    & skf21("6","5","1","5","4","3","4","1") = "5"
    & skf21("6","5","1","5","4","3","5","1") = "5"
    & skf21("6","5","1","5","4","3","6","1") = "5"
    & skf21("6","5","1","5","4","3","7","1") = "6"
    & skf21("6","5","1","5","4","4","1","1") = "5"
    & skf21("6","5","1","5","4","4","2","1") = "5"
    & skf21("6","5","1","5","4","4","3","1") = "5"
    & skf21("6","5","1","5","4","4","4","1") = "5"
    & skf21("6","5","1","5","4","4","5","1") = "5"
    & skf21("6","5","1","5","4","4","6","1") = "5"
    & skf21("6","5","1","5","4","4","7","1") = "6"
    & skf21("6","5","1","5","4","5","1","1") = "5"
    & skf21("6","5","1","5","4","5","2","1") = "5"
    & skf21("6","5","1","5","4","5","3","1") = "5"
    & skf21("6","5","1","5","4","5","4","1") = "5"
    & skf21("6","5","1","5","4","5","5","1") = "5"
    & skf21("6","5","1","5","4","5","6","1") = "5"
    & skf21("6","5","1","5","4","5","7","1") = "6"
    & skf21("6","5","1","5","4","6","1","1") = "5"
    & skf21("6","5","1","5","4","6","2","1") = "5"
    & skf21("6","5","1","5","4","6","3","1") = "5"
    & skf21("6","5","1","5","4","6","4","1") = "5"
    & skf21("6","5","1","5","4","6","5","1") = "5"
    & skf21("6","5","1","5","4","6","6","1") = "5"
    & skf21("6","5","1","5","4","6","7","1") = "6"
    & skf21("6","5","1","5","4","7","1","1") = "6"
    & skf21("6","5","1","5","4","7","2","1") = "6"
    & skf21("6","5","1","5","4","7","3","1") = "6"
    & skf21("6","5","1","5","4","7","4","1") = "6"
    & skf21("6","5","1","5","4","7","5","1") = "6"
    & skf21("6","5","1","5","4","7","6","1") = "6"
    & skf21("6","5","1","5","4","7","7","1") = "6"
    & skf21("6","5","1","5","5","1","1","1") = "5"
    & skf21("6","5","1","5","5","1","2","1") = "5"
    & skf21("6","5","1","5","5","1","3","1") = "5"
    & skf21("6","5","1","5","5","1","4","1") = "5"
    & skf21("6","5","1","5","5","1","5","1") = "5"
    & skf21("6","5","1","5","5","1","6","1") = "5"
    & skf21("6","5","1","5","5","1","7","1") = "6"
    & skf21("6","5","1","5","5","2","1","1") = "5"
    & skf21("6","5","1","5","5","2","2","1") = "5"
    & skf21("6","5","1","5","5","2","3","1") = "5"
    & skf21("6","5","1","5","5","2","4","1") = "5"
    & skf21("6","5","1","5","5","2","5","1") = "5"
    & skf21("6","5","1","5","5","2","6","1") = "5"
    & skf21("6","5","1","5","5","2","7","1") = "6"
    & skf21("6","5","1","5","5","3","1","1") = "5"
    & skf21("6","5","1","5","5","3","2","1") = "5"
    & skf21("6","5","1","5","5","3","3","1") = "5"
    & skf21("6","5","1","5","5","3","4","1") = "5"
    & skf21("6","5","1","5","5","3","5","1") = "5"
    & skf21("6","5","1","5","5","3","6","1") = "5"
    & skf21("6","5","1","5","5","3","7","1") = "6"
    & skf21("6","5","1","5","5","4","1","1") = "5"
    & skf21("6","5","1","5","5","4","2","1") = "5"
    & skf21("6","5","1","5","5","4","3","1") = "5"
    & skf21("6","5","1","5","5","4","4","1") = "5"
    & skf21("6","5","1","5","5","4","5","1") = "5"
    & skf21("6","5","1","5","5","4","6","1") = "5"
    & skf21("6","5","1","5","5","4","7","1") = "6"
    & skf21("6","5","1","5","5","5","1","1") = "5"
    & skf21("6","5","1","5","5","5","2","1") = "5"
    & skf21("6","5","1","5","5","5","3","1") = "5"
    & skf21("6","5","1","5","5","5","4","1") = "5"
    & skf21("6","5","1","5","5","5","5","1") = "5"
    & skf21("6","5","1","5","5","5","6","1") = "5"
    & skf21("6","5","1","5","5","5","7","1") = "6"
    & skf21("6","5","1","5","5","6","1","1") = "5"
    & skf21("6","5","1","5","5","6","2","1") = "5"
    & skf21("6","5","1","5","5","6","3","1") = "5"
    & skf21("6","5","1","5","5","6","4","1") = "5"
    & skf21("6","5","1","5","5","6","5","1") = "5"
    & skf21("6","5","1","5","5","6","6","1") = "5"
    & skf21("6","5","1","5","5","6","7","1") = "6"
    & skf21("6","5","1","5","5","7","1","1") = "6"
    & skf21("6","5","1","5","5","7","2","1") = "6"
    & skf21("6","5","1","5","5","7","3","1") = "6"
    & skf21("6","5","1","5","5","7","4","1") = "6"
    & skf21("6","5","1","5","5","7","5","1") = "6"
    & skf21("6","5","1","5","5","7","6","1") = "6"
    & skf21("6","5","1","5","5","7","7","1") = "6"
    & skf21("6","5","1","5","6","1","1","1") = "5"
    & skf21("6","5","1","5","6","1","2","1") = "5"
    & skf21("6","5","1","5","6","1","3","1") = "5"
    & skf21("6","5","1","5","6","1","4","1") = "5"
    & skf21("6","5","1","5","6","1","5","1") = "5"
    & skf21("6","5","1","5","6","1","6","1") = "5"
    & skf21("6","5","1","5","6","1","7","1") = "6"
    & skf21("6","5","1","5","6","2","1","1") = "5"
    & skf21("6","5","1","5","6","2","2","1") = "5"
    & skf21("6","5","1","5","6","2","3","1") = "5"
    & skf21("6","5","1","5","6","2","4","1") = "5"
    & skf21("6","5","1","5","6","2","5","1") = "5"
    & skf21("6","5","1","5","6","2","6","1") = "5"
    & skf21("6","5","1","5","6","2","7","1") = "6"
    & skf21("6","5","1","5","6","3","1","1") = "5"
    & skf21("6","5","1","5","6","3","2","1") = "5"
    & skf21("6","5","1","5","6","3","3","1") = "5"
    & skf21("6","5","1","5","6","3","4","1") = "5"
    & skf21("6","5","1","5","6","3","5","1") = "5"
    & skf21("6","5","1","5","6","3","6","1") = "5"
    & skf21("6","5","1","5","6","3","7","1") = "6"
    & skf21("6","5","1","5","6","4","1","1") = "5"
    & skf21("6","5","1","5","6","4","2","1") = "5"
    & skf21("6","5","1","5","6","4","3","1") = "5"
    & skf21("6","5","1","5","6","4","4","1") = "5"
    & skf21("6","5","1","5","6","4","5","1") = "5"
    & skf21("6","5","1","5","6","4","6","1") = "5"
    & skf21("6","5","1","5","6","4","7","1") = "6"
    & skf21("6","5","1","5","6","5","1","1") = "5"
    & skf21("6","5","1","5","6","5","2","1") = "5"
    & skf21("6","5","1","5","6","5","3","1") = "5"
    & skf21("6","5","1","5","6","5","4","1") = "5"
    & skf21("6","5","1","5","6","5","5","1") = "5"
    & skf21("6","5","1","5","6","5","6","1") = "5"
    & skf21("6","5","1","5","6","5","7","1") = "6"
    & skf21("6","5","1","5","6","6","1","1") = "5"
    & skf21("6","5","1","5","6","6","2","1") = "5"
    & skf21("6","5","1","5","6","6","3","1") = "5"
    & skf21("6","5","1","5","6","6","4","1") = "5"
    & skf21("6","5","1","5","6","6","5","1") = "5"
    & skf21("6","5","1","5","6","6","6","1") = "5"
    & skf21("6","5","1","5","6","6","7","1") = "6"
    & skf21("6","5","1","5","6","7","1","1") = "6"
    & skf21("6","5","1","5","6","7","2","1") = "6"
    & skf21("6","5","1","5","6","7","3","1") = "6"
    & skf21("6","5","1","5","6","7","4","1") = "6"
    & skf21("6","5","1","5","6","7","5","1") = "6"
    & skf21("6","5","1","5","6","7","6","1") = "6"
    & skf21("6","5","1","5","6","7","7","1") = "6"
    & skf21("6","5","1","5","7","1","1","1") = "6"
    & skf21("6","5","1","5","7","1","2","1") = "6"
    & skf21("6","5","1","5","7","1","3","1") = "6"
    & skf21("6","5","1","5","7","1","4","1") = "6"
    & skf21("6","5","1","5","7","1","5","1") = "6"
    & skf21("6","5","1","5","7","1","6","1") = "6"
    & skf21("6","5","1","5","7","1","7","1") = "6"
    & skf21("6","5","1","5","7","2","1","1") = "6"
    & skf21("6","5","1","5","7","2","2","1") = "6"
    & skf21("6","5","1","5","7","2","3","1") = "6"
    & skf21("6","5","1","5","7","2","4","1") = "6"
    & skf21("6","5","1","5","7","2","5","1") = "6"
    & skf21("6","5","1","5","7","2","6","1") = "6"
    & skf21("6","5","1","5","7","2","7","1") = "6"
    & skf21("6","5","1","5","7","3","1","1") = "6"
    & skf21("6","5","1","5","7","3","2","1") = "6"
    & skf21("6","5","1","5","7","3","3","1") = "6"
    & skf21("6","5","1","5","7","3","4","1") = "6"
    & skf21("6","5","1","5","7","3","5","1") = "6"
    & skf21("6","5","1","5","7","3","6","1") = "6"
    & skf21("6","5","1","5","7","3","7","1") = "6"
    & skf21("6","5","1","5","7","4","1","1") = "6"
    & skf21("6","5","1","5","7","4","2","1") = "6"
    & skf21("6","5","1","5","7","4","3","1") = "6"
    & skf21("6","5","1","5","7","4","4","1") = "6"
    & skf21("6","5","1","5","7","4","5","1") = "6"
    & skf21("6","5","1","5","7","4","6","1") = "6"
    & skf21("6","5","1","5","7","4","7","1") = "6"
    & skf21("6","5","1","5","7","5","1","1") = "6"
    & skf21("6","5","1","5","7","5","2","1") = "6"
    & skf21("6","5","1","5","7","5","3","1") = "6"
    & skf21("6","5","1","5","7","5","4","1") = "6"
    & skf21("6","5","1","5","7","5","5","1") = "6"
    & skf21("6","5","1","5","7","5","6","1") = "6"
    & skf21("6","5","1","5","7","5","7","1") = "6"
    & skf21("6","5","1","5","7","6","1","1") = "6"
    & skf21("6","5","1","5","7","6","2","1") = "6"
    & skf21("6","5","1","5","7","6","3","1") = "6"
    & skf21("6","5","1","5","7","6","4","1") = "6"
    & skf21("6","5","1","5","7","6","5","1") = "6"
    & skf21("6","5","1","5","7","6","6","1") = "6"
    & skf21("6","5","1","5","7","6","7","1") = "6"
    & skf21("6","5","1","5","7","7","1","1") = "6"
    & skf21("6","5","1","5","7","7","2","1") = "6"
    & skf21("6","5","1","5","7","7","3","1") = "6"
    & skf21("6","5","1","5","7","7","4","1") = "6"
    & skf21("6","5","1","5","7","7","5","1") = "6"
    & skf21("6","5","1","5","7","7","6","1") = "6"
    & skf21("6","5","1","5","7","7","7","1") = "6"
    & skf21("6","5","1","6","1","1","1","1") = "5"
    & skf21("6","5","1","6","1","1","2","1") = "5"
    & skf21("6","5","1","6","1","1","3","1") = "5"
    & skf21("6","5","1","6","1","1","4","1") = "5"
    & skf21("6","5","1","6","1","1","5","1") = "5"
    & skf21("6","5","1","6","1","1","6","1") = "5"
    & skf21("6","5","1","6","1","1","7","1") = "6"
    & skf21("6","5","1","6","1","2","1","1") = "5"
    & skf21("6","5","1","6","1","2","2","1") = "5"
    & skf21("6","5","1","6","1","2","3","1") = "5"
    & skf21("6","5","1","6","1","2","4","1") = "5"
    & skf21("6","5","1","6","1","2","5","1") = "5"
    & skf21("6","5","1","6","1","2","6","1") = "5"
    & skf21("6","5","1","6","1","2","7","1") = "6"
    & skf21("6","5","1","6","1","3","1","1") = "5"
    & skf21("6","5","1","6","1","3","2","1") = "5"
    & skf21("6","5","1","6","1","3","3","1") = "5"
    & skf21("6","5","1","6","1","3","4","1") = "5"
    & skf21("6","5","1","6","1","3","5","1") = "5"
    & skf21("6","5","1","6","1","3","6","1") = "5"
    & skf21("6","5","1","6","1","3","7","1") = "6"
    & skf21("6","5","1","6","1","4","1","1") = "5"
    & skf21("6","5","1","6","1","4","2","1") = "5"
    & skf21("6","5","1","6","1","4","3","1") = "5"
    & skf21("6","5","1","6","1","4","4","1") = "5"
    & skf21("6","5","1","6","1","4","5","1") = "5"
    & skf21("6","5","1","6","1","4","6","1") = "5"
    & skf21("6","5","1","6","1","4","7","1") = "6"
    & skf21("6","5","1","6","1","5","1","1") = "5"
    & skf21("6","5","1","6","1","5","2","1") = "5"
    & skf21("6","5","1","6","1","5","3","1") = "5"
    & skf21("6","5","1","6","1","5","4","1") = "5"
    & skf21("6","5","1","6","1","5","5","1") = "5"
    & skf21("6","5","1","6","1","5","6","1") = "5"
    & skf21("6","5","1","6","1","5","7","1") = "6"
    & skf21("6","5","1","6","1","6","1","1") = "5"
    & skf21("6","5","1","6","1","6","2","1") = "5"
    & skf21("6","5","1","6","1","6","3","1") = "5"
    & skf21("6","5","1","6","1","6","4","1") = "5"
    & skf21("6","5","1","6","1","6","5","1") = "5"
    & skf21("6","5","1","6","1","6","6","1") = "5"
    & skf21("6","5","1","6","1","6","7","1") = "6"
    & skf21("6","5","1","6","1","7","1","1") = "6"
    & skf21("6","5","1","6","1","7","2","1") = "6"
    & skf21("6","5","1","6","1","7","3","1") = "6"
    & skf21("6","5","1","6","1","7","4","1") = "6"
    & skf21("6","5","1","6","1","7","5","1") = "6"
    & skf21("6","5","1","6","1","7","6","1") = "6"
    & skf21("6","5","1","6","1","7","7","1") = "6"
    & skf21("6","5","1","6","2","1","1","1") = "5"
    & skf21("6","5","1","6","2","1","2","1") = "5"
    & skf21("6","5","1","6","2","1","3","1") = "5"
    & skf21("6","5","1","6","2","1","4","1") = "5"
    & skf21("6","5","1","6","2","1","5","1") = "5"
    & skf21("6","5","1","6","2","1","6","1") = "5"
    & skf21("6","5","1","6","2","1","7","1") = "6"
    & skf21("6","5","1","6","2","2","1","1") = "5"
    & skf21("6","5","1","6","2","2","2","1") = "5"
    & skf21("6","5","1","6","2","2","3","1") = "5"
    & skf21("6","5","1","6","2","2","4","1") = "5"
    & skf21("6","5","1","6","2","2","5","1") = "5"
    & skf21("6","5","1","6","2","2","6","1") = "5"
    & skf21("6","5","1","6","2","2","7","1") = "6"
    & skf21("6","5","1","6","2","3","1","1") = "5"
    & skf21("6","5","1","6","2","3","2","1") = "5"
    & skf21("6","5","1","6","2","3","3","1") = "5"
    & skf21("6","5","1","6","2","3","4","1") = "5"
    & skf21("6","5","1","6","2","3","5","1") = "5"
    & skf21("6","5","1","6","2","3","6","1") = "5"
    & skf21("6","5","1","6","2","3","7","1") = "6"
    & skf21("6","5","1","6","2","4","1","1") = "5"
    & skf21("6","5","1","6","2","4","2","1") = "5"
    & skf21("6","5","1","6","2","4","3","1") = "5"
    & skf21("6","5","1","6","2","4","4","1") = "5"
    & skf21("6","5","1","6","2","4","5","1") = "5"
    & skf21("6","5","1","6","2","4","6","1") = "5"
    & skf21("6","5","1","6","2","4","7","1") = "6"
    & skf21("6","5","1","6","2","5","1","1") = "5"
    & skf21("6","5","1","6","2","5","2","1") = "5"
    & skf21("6","5","1","6","2","5","3","1") = "5"
    & skf21("6","5","1","6","2","5","4","1") = "5"
    & skf21("6","5","1","6","2","5","5","1") = "5"
    & skf21("6","5","1","6","2","5","6","1") = "5"
    & skf21("6","5","1","6","2","5","7","1") = "6"
    & skf21("6","5","1","6","2","6","1","1") = "5"
    & skf21("6","5","1","6","2","6","2","1") = "5"
    & skf21("6","5","1","6","2","6","3","1") = "5"
    & skf21("6","5","1","6","2","6","4","1") = "5"
    & skf21("6","5","1","6","2","6","5","1") = "5"
    & skf21("6","5","1","6","2","6","6","1") = "5"
    & skf21("6","5","1","6","2","6","7","1") = "6"
    & skf21("6","5","1","6","2","7","1","1") = "6"
    & skf21("6","5","1","6","2","7","2","1") = "6"
    & skf21("6","5","1","6","2","7","3","1") = "6"
    & skf21("6","5","1","6","2","7","4","1") = "6"
    & skf21("6","5","1","6","2","7","5","1") = "6"
    & skf21("6","5","1","6","2","7","6","1") = "6"
    & skf21("6","5","1","6","2","7","7","1") = "6"
    & skf21("6","5","1","6","3","1","1","1") = "5"
    & skf21("6","5","1","6","3","1","2","1") = "5"
    & skf21("6","5","1","6","3","1","3","1") = "5"
    & skf21("6","5","1","6","3","1","4","1") = "5"
    & skf21("6","5","1","6","3","1","5","1") = "5"
    & skf21("6","5","1","6","3","1","6","1") = "5"
    & skf21("6","5","1","6","3","1","7","1") = "6"
    & skf21("6","5","1","6","3","2","1","1") = "5"
    & skf21("6","5","1","6","3","2","2","1") = "5"
    & skf21("6","5","1","6","3","2","3","1") = "5"
    & skf21("6","5","1","6","3","2","4","1") = "5"
    & skf21("6","5","1","6","3","2","5","1") = "5"
    & skf21("6","5","1","6","3","2","6","1") = "5"
    & skf21("6","5","1","6","3","2","7","1") = "6"
    & skf21("6","5","1","6","3","3","1","1") = "5"
    & skf21("6","5","1","6","3","3","2","1") = "5"
    & skf21("6","5","1","6","3","3","3","1") = "5"
    & skf21("6","5","1","6","3","3","4","1") = "5"
    & skf21("6","5","1","6","3","3","5","1") = "5"
    & skf21("6","5","1","6","3","3","6","1") = "5"
    & skf21("6","5","1","6","3","3","7","1") = "6"
    & skf21("6","5","1","6","3","4","1","1") = "5"
    & skf21("6","5","1","6","3","4","2","1") = "5"
    & skf21("6","5","1","6","3","4","3","1") = "5"
    & skf21("6","5","1","6","3","4","4","1") = "5"
    & skf21("6","5","1","6","3","4","5","1") = "5"
    & skf21("6","5","1","6","3","4","6","1") = "5"
    & skf21("6","5","1","6","3","4","7","1") = "6"
    & skf21("6","5","1","6","3","5","1","1") = "5"
    & skf21("6","5","1","6","3","5","2","1") = "5"
    & skf21("6","5","1","6","3","5","3","1") = "5"
    & skf21("6","5","1","6","3","5","4","1") = "5"
    & skf21("6","5","1","6","3","5","5","1") = "5"
    & skf21("6","5","1","6","3","5","6","1") = "5"
    & skf21("6","5","1","6","3","5","7","1") = "6"
    & skf21("6","5","1","6","3","6","1","1") = "5"
    & skf21("6","5","1","6","3","6","2","1") = "5"
    & skf21("6","5","1","6","3","6","3","1") = "5"
    & skf21("6","5","1","6","3","6","4","1") = "5"
    & skf21("6","5","1","6","3","6","5","1") = "5"
    & skf21("6","5","1","6","3","6","6","1") = "5"
    & skf21("6","5","1","6","3","6","7","1") = "6"
    & skf21("6","5","1","6","3","7","1","1") = "6"
    & skf21("6","5","1","6","3","7","2","1") = "6"
    & skf21("6","5","1","6","3","7","3","1") = "6"
    & skf21("6","5","1","6","3","7","4","1") = "6"
    & skf21("6","5","1","6","3","7","5","1") = "6"
    & skf21("6","5","1","6","3","7","6","1") = "6"
    & skf21("6","5","1","6","3","7","7","1") = "6"
    & skf21("6","5","1","6","4","1","1","1") = "5"
    & skf21("6","5","1","6","4","1","2","1") = "5"
    & skf21("6","5","1","6","4","1","3","1") = "5"
    & skf21("6","5","1","6","4","1","4","1") = "5"
    & skf21("6","5","1","6","4","1","5","1") = "5"
    & skf21("6","5","1","6","4","1","6","1") = "5"
    & skf21("6","5","1","6","4","1","7","1") = "6"
    & skf21("6","5","1","6","4","2","1","1") = "5"
    & skf21("6","5","1","6","4","2","2","1") = "5"
    & skf21("6","5","1","6","4","2","3","1") = "5"
    & skf21("6","5","1","6","4","2","4","1") = "5"
    & skf21("6","5","1","6","4","2","5","1") = "5"
    & skf21("6","5","1","6","4","2","6","1") = "5"
    & skf21("6","5","1","6","4","2","7","1") = "6"
    & skf21("6","5","1","6","4","3","1","1") = "5"
    & skf21("6","5","1","6","4","3","2","1") = "5"
    & skf21("6","5","1","6","4","3","3","1") = "5"
    & skf21("6","5","1","6","4","3","4","1") = "5"
    & skf21("6","5","1","6","4","3","5","1") = "5"
    & skf21("6","5","1","6","4","3","6","1") = "5"
    & skf21("6","5","1","6","4","3","7","1") = "6"
    & skf21("6","5","1","6","4","4","1","1") = "5"
    & skf21("6","5","1","6","4","4","2","1") = "5"
    & skf21("6","5","1","6","4","4","3","1") = "5"
    & skf21("6","5","1","6","4","4","4","1") = "5"
    & skf21("6","5","1","6","4","4","5","1") = "5"
    & skf21("6","5","1","6","4","4","6","1") = "5"
    & skf21("6","5","1","6","4","4","7","1") = "6"
    & skf21("6","5","1","6","4","5","1","1") = "5"
    & skf21("6","5","1","6","4","5","2","1") = "5"
    & skf21("6","5","1","6","4","5","3","1") = "5"
    & skf21("6","5","1","6","4","5","4","1") = "5"
    & skf21("6","5","1","6","4","5","5","1") = "5"
    & skf21("6","5","1","6","4","5","6","1") = "5"
    & skf21("6","5","1","6","4","5","7","1") = "6"
    & skf21("6","5","1","6","4","6","1","1") = "5"
    & skf21("6","5","1","6","4","6","2","1") = "5"
    & skf21("6","5","1","6","4","6","3","1") = "5"
    & skf21("6","5","1","6","4","6","4","1") = "5"
    & skf21("6","5","1","6","4","6","5","1") = "5"
    & skf21("6","5","1","6","4","6","6","1") = "5"
    & skf21("6","5","1","6","4","6","7","1") = "6"
    & skf21("6","5","1","6","4","7","1","1") = "6"
    & skf21("6","5","1","6","4","7","2","1") = "6"
    & skf21("6","5","1","6","4","7","3","1") = "6"
    & skf21("6","5","1","6","4","7","4","1") = "6"
    & skf21("6","5","1","6","4","7","5","1") = "6"
    & skf21("6","5","1","6","4","7","6","1") = "6"
    & skf21("6","5","1","6","4","7","7","1") = "6"
    & skf21("6","5","1","6","5","1","1","1") = "5"
    & skf21("6","5","1","6","5","1","2","1") = "5"
    & skf21("6","5","1","6","5","1","3","1") = "5"
    & skf21("6","5","1","6","5","1","4","1") = "5"
    & skf21("6","5","1","6","5","1","5","1") = "5"
    & skf21("6","5","1","6","5","1","6","1") = "5"
    & skf21("6","5","1","6","5","1","7","1") = "6"
    & skf21("6","5","1","6","5","2","1","1") = "5"
    & skf21("6","5","1","6","5","2","2","1") = "5"
    & skf21("6","5","1","6","5","2","3","1") = "5"
    & skf21("6","5","1","6","5","2","4","1") = "5"
    & skf21("6","5","1","6","5","2","5","1") = "5"
    & skf21("6","5","1","6","5","2","6","1") = "5"
    & skf21("6","5","1","6","5","2","7","1") = "6"
    & skf21("6","5","1","6","5","3","1","1") = "5"
    & skf21("6","5","1","6","5","3","2","1") = "5"
    & skf21("6","5","1","6","5","3","3","1") = "5"
    & skf21("6","5","1","6","5","3","4","1") = "5"
    & skf21("6","5","1","6","5","3","5","1") = "5"
    & skf21("6","5","1","6","5","3","6","1") = "5"
    & skf21("6","5","1","6","5","3","7","1") = "6"
    & skf21("6","5","1","6","5","4","1","1") = "5"
    & skf21("6","5","1","6","5","4","2","1") = "5"
    & skf21("6","5","1","6","5","4","3","1") = "5"
    & skf21("6","5","1","6","5","4","4","1") = "5"
    & skf21("6","5","1","6","5","4","5","1") = "5"
    & skf21("6","5","1","6","5","4","6","1") = "5"
    & skf21("6","5","1","6","5","4","7","1") = "6"
    & skf21("6","5","1","6","5","5","1","1") = "5"
    & skf21("6","5","1","6","5","5","2","1") = "5"
    & skf21("6","5","1","6","5","5","3","1") = "5"
    & skf21("6","5","1","6","5","5","4","1") = "5"
    & skf21("6","5","1","6","5","5","5","1") = "5"
    & skf21("6","5","1","6","5","5","6","1") = "5"
    & skf21("6","5","1","6","5","5","7","1") = "6"
    & skf21("6","5","1","6","5","6","1","1") = "5"
    & skf21("6","5","1","6","5","6","2","1") = "5"
    & skf21("6","5","1","6","5","6","3","1") = "5"
    & skf21("6","5","1","6","5","6","4","1") = "5"
    & skf21("6","5","1","6","5","6","5","1") = "5"
    & skf21("6","5","1","6","5","6","6","1") = "5"
    & skf21("6","5","1","6","5","6","7","1") = "6"
    & skf21("6","5","1","6","5","7","1","1") = "6"
    & skf21("6","5","1","6","5","7","2","1") = "6"
    & skf21("6","5","1","6","5","7","3","1") = "6"
    & skf21("6","5","1","6","5","7","4","1") = "6"
    & skf21("6","5","1","6","5","7","5","1") = "6"
    & skf21("6","5","1","6","5","7","6","1") = "6"
    & skf21("6","5","1","6","5","7","7","1") = "6"
    & skf21("6","5","1","6","6","1","1","1") = "5"
    & skf21("6","5","1","6","6","1","2","1") = "5"
    & skf21("6","5","1","6","6","1","3","1") = "5"
    & skf21("6","5","1","6","6","1","4","1") = "5"
    & skf21("6","5","1","6","6","1","5","1") = "5"
    & skf21("6","5","1","6","6","1","6","1") = "5"
    & skf21("6","5","1","6","6","1","7","1") = "6"
    & skf21("6","5","1","6","6","2","1","1") = "5"
    & skf21("6","5","1","6","6","2","2","1") = "5"
    & skf21("6","5","1","6","6","2","3","1") = "5"
    & skf21("6","5","1","6","6","2","4","1") = "5"
    & skf21("6","5","1","6","6","2","5","1") = "5"
    & skf21("6","5","1","6","6","2","6","1") = "5"
    & skf21("6","5","1","6","6","2","7","1") = "6"
    & skf21("6","5","1","6","6","3","1","1") = "5"
    & skf21("6","5","1","6","6","3","2","1") = "5"
    & skf21("6","5","1","6","6","3","3","1") = "5"
    & skf21("6","5","1","6","6","3","4","1") = "5"
    & skf21("6","5","1","6","6","3","5","1") = "5"
    & skf21("6","5","1","6","6","3","6","1") = "5"
    & skf21("6","5","1","6","6","3","7","1") = "6"
    & skf21("6","5","1","6","6","4","1","1") = "5"
    & skf21("6","5","1","6","6","4","2","1") = "5"
    & skf21("6","5","1","6","6","4","3","1") = "5"
    & skf21("6","5","1","6","6","4","4","1") = "5"
    & skf21("6","5","1","6","6","4","5","1") = "5"
    & skf21("6","5","1","6","6","4","6","1") = "5"
    & skf21("6","5","1","6","6","4","7","1") = "6"
    & skf21("6","5","1","6","6","5","1","1") = "5"
    & skf21("6","5","1","6","6","5","2","1") = "5"
    & skf21("6","5","1","6","6","5","3","1") = "5"
    & skf21("6","5","1","6","6","5","4","1") = "5"
    & skf21("6","5","1","6","6","5","5","1") = "5"
    & skf21("6","5","1","6","6","5","6","1") = "5"
    & skf21("6","5","1","6","6","5","7","1") = "6"
    & skf21("6","5","1","6","6","6","1","1") = "5"
    & skf21("6","5","1","6","6","6","2","1") = "5"
    & skf21("6","5","1","6","6","6","3","1") = "5"
    & skf21("6","5","1","6","6","6","4","1") = "5"
    & skf21("6","5","1","6","6","6","5","1") = "5"
    & skf21("6","5","1","6","6","6","6","1") = "5"
    & skf21("6","5","1","6","6","6","7","1") = "6"
    & skf21("6","5","1","6","6","7","1","1") = "6"
    & skf21("6","5","1","6","6","7","2","1") = "6"
    & skf21("6","5","1","6","6","7","3","1") = "6"
    & skf21("6","5","1","6","6","7","4","1") = "6"
    & skf21("6","5","1","6","6","7","5","1") = "6"
    & skf21("6","5","1","6","6","7","6","1") = "6"
    & skf21("6","5","1","6","6","7","7","1") = "6"
    & skf21("6","5","1","6","7","1","1","1") = "6"
    & skf21("6","5","1","6","7","1","2","1") = "6"
    & skf21("6","5","1","6","7","1","3","1") = "6"
    & skf21("6","5","1","6","7","1","4","1") = "6"
    & skf21("6","5","1","6","7","1","5","1") = "6"
    & skf21("6","5","1","6","7","1","6","1") = "6"
    & skf21("6","5","1","6","7","1","7","1") = "6"
    & skf21("6","5","1","6","7","2","1","1") = "6"
    & skf21("6","5","1","6","7","2","2","1") = "6"
    & skf21("6","5","1","6","7","2","3","1") = "6"
    & skf21("6","5","1","6","7","2","4","1") = "6"
    & skf21("6","5","1","6","7","2","5","1") = "6"
    & skf21("6","5","1","6","7","2","6","1") = "6"
    & skf21("6","5","1","6","7","2","7","1") = "6"
    & skf21("6","5","1","6","7","3","1","1") = "6"
    & skf21("6","5","1","6","7","3","2","1") = "6"
    & skf21("6","5","1","6","7","3","3","1") = "6"
    & skf21("6","5","1","6","7","3","4","1") = "6"
    & skf21("6","5","1","6","7","3","5","1") = "6"
    & skf21("6","5","1","6","7","3","6","1") = "6"
    & skf21("6","5","1","6","7","3","7","1") = "6"
    & skf21("6","5","1","6","7","4","1","1") = "6"
    & skf21("6","5","1","6","7","4","2","1") = "6"
    & skf21("6","5","1","6","7","4","3","1") = "6"
    & skf21("6","5","1","6","7","4","4","1") = "6"
    & skf21("6","5","1","6","7","4","5","1") = "6"
    & skf21("6","5","1","6","7","4","6","1") = "6"
    & skf21("6","5","1","6","7","4","7","1") = "6"
    & skf21("6","5","1","6","7","5","1","1") = "6"
    & skf21("6","5","1","6","7","5","2","1") = "6"
    & skf21("6","5","1","6","7","5","3","1") = "6"
    & skf21("6","5","1","6","7","5","4","1") = "6"
    & skf21("6","5","1","6","7","5","5","1") = "6"
    & skf21("6","5","1","6","7","5","6","1") = "6"
    & skf21("6","5","1","6","7","5","7","1") = "6"
    & skf21("6","5","1","6","7","6","1","1") = "6"
    & skf21("6","5","1","6","7","6","2","1") = "6"
    & skf21("6","5","1","6","7","6","3","1") = "6"
    & skf21("6","5","1","6","7","6","4","1") = "6"
    & skf21("6","5","1","6","7","6","5","1") = "6"
    & skf21("6","5","1","6","7","6","6","1") = "6"
    & skf21("6","5","1","6","7","6","7","1") = "6"
    & skf21("6","5","1","6","7","7","1","1") = "6"
    & skf21("6","5","1","6","7","7","2","1") = "6"
    & skf21("6","5","1","6","7","7","3","1") = "6"
    & skf21("6","5","1","6","7","7","4","1") = "6"
    & skf21("6","5","1","6","7","7","5","1") = "6"
    & skf21("6","5","1","6","7","7","6","1") = "6"
    & skf21("6","5","1","6","7","7","7","1") = "6"
    & skf21("6","5","1","7","1","1","1","1") = "6"
    & skf21("6","5","1","7","1","1","2","1") = "6"
    & skf21("6","5","1","7","1","1","3","1") = "6"
    & skf21("6","5","1","7","1","1","4","1") = "6"
    & skf21("6","5","1","7","1","1","5","1") = "6"
    & skf21("6","5","1","7","1","1","6","1") = "6"
    & skf21("6","5","1","7","1","1","7","1") = "6"
    & skf21("6","5","1","7","1","2","1","1") = "6"
    & skf21("6","5","1","7","1","2","2","1") = "6"
    & skf21("6","5","1","7","1","2","3","1") = "6"
    & skf21("6","5","1","7","1","2","4","1") = "6"
    & skf21("6","5","1","7","1","2","5","1") = "6"
    & skf21("6","5","1","7","1","2","6","1") = "6"
    & skf21("6","5","1","7","1","2","7","1") = "6"
    & skf21("6","5","1","7","1","3","1","1") = "6"
    & skf21("6","5","1","7","1","3","2","1") = "6"
    & skf21("6","5","1","7","1","3","3","1") = "6"
    & skf21("6","5","1","7","1","3","4","1") = "6"
    & skf21("6","5","1","7","1","3","5","1") = "6"
    & skf21("6","5","1","7","1","3","6","1") = "6"
    & skf21("6","5","1","7","1","3","7","1") = "6"
    & skf21("6","5","1","7","1","4","1","1") = "6"
    & skf21("6","5","1","7","1","4","2","1") = "6"
    & skf21("6","5","1","7","1","4","3","1") = "6"
    & skf21("6","5","1","7","1","4","4","1") = "6"
    & skf21("6","5","1","7","1","4","5","1") = "6"
    & skf21("6","5","1","7","1","4","6","1") = "6"
    & skf21("6","5","1","7","1","4","7","1") = "6"
    & skf21("6","5","1","7","1","5","1","1") = "6"
    & skf21("6","5","1","7","1","5","2","1") = "6"
    & skf21("6","5","1","7","1","5","3","1") = "6"
    & skf21("6","5","1","7","1","5","4","1") = "6"
    & skf21("6","5","1","7","1","5","5","1") = "6"
    & skf21("6","5","1","7","1","5","6","1") = "6"
    & skf21("6","5","1","7","1","5","7","1") = "6"
    & skf21("6","5","1","7","1","6","1","1") = "6"
    & skf21("6","5","1","7","1","6","2","1") = "6"
    & skf21("6","5","1","7","1","6","3","1") = "6"
    & skf21("6","5","1","7","1","6","4","1") = "6"
    & skf21("6","5","1","7","1","6","5","1") = "6"
    & skf21("6","5","1","7","1","6","6","1") = "6"
    & skf21("6","5","1","7","1","6","7","1") = "6"
    & skf21("6","5","1","7","1","7","1","1") = "6"
    & skf21("6","5","1","7","1","7","2","1") = "6"
    & skf21("6","5","1","7","1","7","3","1") = "6"
    & skf21("6","5","1","7","1","7","4","1") = "6"
    & skf21("6","5","1","7","1","7","5","1") = "6"
    & skf21("6","5","1","7","1","7","6","1") = "6"
    & skf21("6","5","1","7","1","7","7","1") = "6"
    & skf21("6","5","1","7","2","1","1","1") = "6"
    & skf21("6","5","1","7","2","1","2","1") = "6"
    & skf21("6","5","1","7","2","1","3","1") = "6"
    & skf21("6","5","1","7","2","1","4","1") = "6"
    & skf21("6","5","1","7","2","1","5","1") = "6"
    & skf21("6","5","1","7","2","1","6","1") = "6"
    & skf21("6","5","1","7","2","1","7","1") = "6"
    & skf21("6","5","1","7","2","2","1","1") = "6"
    & skf21("6","5","1","7","2","2","2","1") = "6"
    & skf21("6","5","1","7","2","2","3","1") = "6"
    & skf21("6","5","1","7","2","2","4","1") = "6"
    & skf21("6","5","1","7","2","2","5","1") = "6"
    & skf21("6","5","1","7","2","2","6","1") = "6"
    & skf21("6","5","1","7","2","2","7","1") = "6"
    & skf21("6","5","1","7","2","3","1","1") = "6"
    & skf21("6","5","1","7","2","3","2","1") = "6"
    & skf21("6","5","1","7","2","3","3","1") = "6"
    & skf21("6","5","1","7","2","3","4","1") = "6"
    & skf21("6","5","1","7","2","3","5","1") = "6"
    & skf21("6","5","1","7","2","3","6","1") = "6"
    & skf21("6","5","1","7","2","3","7","1") = "6"
    & skf21("6","5","1","7","2","4","1","1") = "6"
    & skf21("6","5","1","7","2","4","2","1") = "6"
    & skf21("6","5","1","7","2","4","3","1") = "6"
    & skf21("6","5","1","7","2","4","4","1") = "6"
    & skf21("6","5","1","7","2","4","5","1") = "6"
    & skf21("6","5","1","7","2","4","6","1") = "6"
    & skf21("6","5","1","7","2","4","7","1") = "6"
    & skf21("6","5","1","7","2","5","1","1") = "6"
    & skf21("6","5","1","7","2","5","2","1") = "6"
    & skf21("6","5","1","7","2","5","3","1") = "6"
    & skf21("6","5","1","7","2","5","4","1") = "6"
    & skf21("6","5","1","7","2","5","5","1") = "6"
    & skf21("6","5","1","7","2","5","6","1") = "6"
    & skf21("6","5","1","7","2","5","7","1") = "6"
    & skf21("6","5","1","7","2","6","1","1") = "6"
    & skf21("6","5","1","7","2","6","2","1") = "6"
    & skf21("6","5","1","7","2","6","3","1") = "6"
    & skf21("6","5","1","7","2","6","4","1") = "6"
    & skf21("6","5","1","7","2","6","5","1") = "6"
    & skf21("6","5","1","7","2","6","6","1") = "6"
    & skf21("6","5","1","7","2","6","7","1") = "6"
    & skf21("6","5","1","7","2","7","1","1") = "6"
    & skf21("6","5","1","7","2","7","2","1") = "6"
    & skf21("6","5","1","7","2","7","3","1") = "6"
    & skf21("6","5","1","7","2","7","4","1") = "6"
    & skf21("6","5","1","7","2","7","5","1") = "6"
    & skf21("6","5","1","7","2","7","6","1") = "6"
    & skf21("6","5","1","7","2","7","7","1") = "6"
    & skf21("6","5","1","7","3","1","1","1") = "6"
    & skf21("6","5","1","7","3","1","2","1") = "6"
    & skf21("6","5","1","7","3","1","3","1") = "6"
    & skf21("6","5","1","7","3","1","4","1") = "6"
    & skf21("6","5","1","7","3","1","5","1") = "6"
    & skf21("6","5","1","7","3","1","6","1") = "6"
    & skf21("6","5","1","7","3","1","7","1") = "6"
    & skf21("6","5","1","7","3","2","1","1") = "6"
    & skf21("6","5","1","7","3","2","2","1") = "6"
    & skf21("6","5","1","7","3","2","3","1") = "6"
    & skf21("6","5","1","7","3","2","4","1") = "6"
    & skf21("6","5","1","7","3","2","5","1") = "6"
    & skf21("6","5","1","7","3","2","6","1") = "6"
    & skf21("6","5","1","7","3","2","7","1") = "6"
    & skf21("6","5","1","7","3","3","1","1") = "6"
    & skf21("6","5","1","7","3","3","2","1") = "6"
    & skf21("6","5","1","7","3","3","3","1") = "6"
    & skf21("6","5","1","7","3","3","4","1") = "6"
    & skf21("6","5","1","7","3","3","5","1") = "6"
    & skf21("6","5","1","7","3","3","6","1") = "6"
    & skf21("6","5","1","7","3","3","7","1") = "6"
    & skf21("6","5","1","7","3","4","1","1") = "6"
    & skf21("6","5","1","7","3","4","2","1") = "6"
    & skf21("6","5","1","7","3","4","3","1") = "6"
    & skf21("6","5","1","7","3","4","4","1") = "6"
    & skf21("6","5","1","7","3","4","5","1") = "6"
    & skf21("6","5","1","7","3","4","6","1") = "6"
    & skf21("6","5","1","7","3","4","7","1") = "6"
    & skf21("6","5","1","7","3","5","1","1") = "6"
    & skf21("6","5","1","7","3","5","2","1") = "6"
    & skf21("6","5","1","7","3","5","3","1") = "6"
    & skf21("6","5","1","7","3","5","4","1") = "6"
    & skf21("6","5","1","7","3","5","5","1") = "6"
    & skf21("6","5","1","7","3","5","6","1") = "6"
    & skf21("6","5","1","7","3","5","7","1") = "6"
    & skf21("6","5","1","7","3","6","1","1") = "6"
    & skf21("6","5","1","7","3","6","2","1") = "6"
    & skf21("6","5","1","7","3","6","3","1") = "6"
    & skf21("6","5","1","7","3","6","4","1") = "6"
    & skf21("6","5","1","7","3","6","5","1") = "6"
    & skf21("6","5","1","7","3","6","6","1") = "6"
    & skf21("6","5","1","7","3","6","7","1") = "6"
    & skf21("6","5","1","7","3","7","1","1") = "6"
    & skf21("6","5","1","7","3","7","2","1") = "6"
    & skf21("6","5","1","7","3","7","3","1") = "6"
    & skf21("6","5","1","7","3","7","4","1") = "6"
    & skf21("6","5","1","7","3","7","5","1") = "6"
    & skf21("6","5","1","7","3","7","6","1") = "6"
    & skf21("6","5","1","7","3","7","7","1") = "6"
    & skf21("6","5","1","7","4","1","1","1") = "6"
    & skf21("6","5","1","7","4","1","2","1") = "6"
    & skf21("6","5","1","7","4","1","3","1") = "6"
    & skf21("6","5","1","7","4","1","4","1") = "6"
    & skf21("6","5","1","7","4","1","5","1") = "6"
    & skf21("6","5","1","7","4","1","6","1") = "6"
    & skf21("6","5","1","7","4","1","7","1") = "6"
    & skf21("6","5","1","7","4","2","1","1") = "6"
    & skf21("6","5","1","7","4","2","2","1") = "6"
    & skf21("6","5","1","7","4","2","3","1") = "6"
    & skf21("6","5","1","7","4","2","4","1") = "6"
    & skf21("6","5","1","7","4","2","5","1") = "6"
    & skf21("6","5","1","7","4","2","6","1") = "6"
    & skf21("6","5","1","7","4","2","7","1") = "6"
    & skf21("6","5","1","7","4","3","1","1") = "6"
    & skf21("6","5","1","7","4","3","2","1") = "6"
    & skf21("6","5","1","7","4","3","3","1") = "6"
    & skf21("6","5","1","7","4","3","4","1") = "6"
    & skf21("6","5","1","7","4","3","5","1") = "6"
    & skf21("6","5","1","7","4","3","6","1") = "6"
    & skf21("6","5","1","7","4","3","7","1") = "6"
    & skf21("6","5","1","7","4","4","1","1") = "6"
    & skf21("6","5","1","7","4","4","2","1") = "6"
    & skf21("6","5","1","7","4","4","3","1") = "6"
    & skf21("6","5","1","7","4","4","4","1") = "6"
    & skf21("6","5","1","7","4","4","5","1") = "6"
    & skf21("6","5","1","7","4","4","6","1") = "6"
    & skf21("6","5","1","7","4","4","7","1") = "6"
    & skf21("6","5","1","7","4","5","1","1") = "6"
    & skf21("6","5","1","7","4","5","2","1") = "6"
    & skf21("6","5","1","7","4","5","3","1") = "6"
    & skf21("6","5","1","7","4","5","4","1") = "6"
    & skf21("6","5","1","7","4","5","5","1") = "6"
    & skf21("6","5","1","7","4","5","6","1") = "6"
    & skf21("6","5","1","7","4","5","7","1") = "6"
    & skf21("6","5","1","7","4","6","1","1") = "6"
    & skf21("6","5","1","7","4","6","2","1") = "6"
    & skf21("6","5","1","7","4","6","3","1") = "6"
    & skf21("6","5","1","7","4","6","4","1") = "6"
    & skf21("6","5","1","7","4","6","5","1") = "6"
    & skf21("6","5","1","7","4","6","6","1") = "6"
    & skf21("6","5","1","7","4","6","7","1") = "6"
    & skf21("6","5","1","7","4","7","1","1") = "6"
    & skf21("6","5","1","7","4","7","2","1") = "6"
    & skf21("6","5","1","7","4","7","3","1") = "6"
    & skf21("6","5","1","7","4","7","4","1") = "6"
    & skf21("6","5","1","7","4","7","5","1") = "6"
    & skf21("6","5","1","7","4","7","6","1") = "6"
    & skf21("6","5","1","7","4","7","7","1") = "6"
    & skf21("6","5","1","7","5","1","1","1") = "6"
    & skf21("6","5","1","7","5","1","2","1") = "6"
    & skf21("6","5","1","7","5","1","3","1") = "6"
    & skf21("6","5","1","7","5","1","4","1") = "6"
    & skf21("6","5","1","7","5","1","5","1") = "6"
    & skf21("6","5","1","7","5","1","6","1") = "6"
    & skf21("6","5","1","7","5","1","7","1") = "6"
    & skf21("6","5","1","7","5","2","1","1") = "6"
    & skf21("6","5","1","7","5","2","2","1") = "6"
    & skf21("6","5","1","7","5","2","3","1") = "6"
    & skf21("6","5","1","7","5","2","4","1") = "6"
    & skf21("6","5","1","7","5","2","5","1") = "6"
    & skf21("6","5","1","7","5","2","6","1") = "6"
    & skf21("6","5","1","7","5","2","7","1") = "6"
    & skf21("6","5","1","7","5","3","1","1") = "6"
    & skf21("6","5","1","7","5","3","2","1") = "6"
    & skf21("6","5","1","7","5","3","3","1") = "6"
    & skf21("6","5","1","7","5","3","4","1") = "6"
    & skf21("6","5","1","7","5","3","5","1") = "6"
    & skf21("6","5","1","7","5","3","6","1") = "6"
    & skf21("6","5","1","7","5","3","7","1") = "6"
    & skf21("6","5","1","7","5","4","1","1") = "6"
    & skf21("6","5","1","7","5","4","2","1") = "6"
    & skf21("6","5","1","7","5","4","3","1") = "6"
    & skf21("6","5","1","7","5","4","4","1") = "6"
    & skf21("6","5","1","7","5","4","5","1") = "6"
    & skf21("6","5","1","7","5","4","6","1") = "6"
    & skf21("6","5","1","7","5","4","7","1") = "6"
    & skf21("6","5","1","7","5","5","1","1") = "6"
    & skf21("6","5","1","7","5","5","2","1") = "6"
    & skf21("6","5","1","7","5","5","3","1") = "6"
    & skf21("6","5","1","7","5","5","4","1") = "6"
    & skf21("6","5","1","7","5","5","5","1") = "6"
    & skf21("6","5","1","7","5","5","6","1") = "6"
    & skf21("6","5","1","7","5","5","7","1") = "6"
    & skf21("6","5","1","7","5","6","1","1") = "6"
    & skf21("6","5","1","7","5","6","2","1") = "6"
    & skf21("6","5","1","7","5","6","3","1") = "6"
    & skf21("6","5","1","7","5","6","4","1") = "6"
    & skf21("6","5","1","7","5","6","5","1") = "6"
    & skf21("6","5","1","7","5","6","6","1") = "6"
    & skf21("6","5","1","7","5","6","7","1") = "6"
    & skf21("6","5","1","7","5","7","1","1") = "6"
    & skf21("6","5","1","7","5","7","2","1") = "6"
    & skf21("6","5","1","7","5","7","3","1") = "6"
    & skf21("6","5","1","7","5","7","4","1") = "6"
    & skf21("6","5","1","7","5","7","5","1") = "6"
    & skf21("6","5","1","7","5","7","6","1") = "6"
    & skf21("6","5","1","7","5","7","7","1") = "6"
    & skf21("6","5","1","7","6","1","1","1") = "6"
    & skf21("6","5","1","7","6","1","2","1") = "6"
    & skf21("6","5","1","7","6","1","3","1") = "6"
    & skf21("6","5","1","7","6","1","4","1") = "6"
    & skf21("6","5","1","7","6","1","5","1") = "6"
    & skf21("6","5","1","7","6","1","6","1") = "6"
    & skf21("6","5","1","7","6","1","7","1") = "6"
    & skf21("6","5","1","7","6","2","1","1") = "6"
    & skf21("6","5","1","7","6","2","2","1") = "6"
    & skf21("6","5","1","7","6","2","3","1") = "6"
    & skf21("6","5","1","7","6","2","4","1") = "6"
    & skf21("6","5","1","7","6","2","5","1") = "6"
    & skf21("6","5","1","7","6","2","6","1") = "6"
    & skf21("6","5","1","7","6","2","7","1") = "6"
    & skf21("6","5","1","7","6","3","1","1") = "6"
    & skf21("6","5","1","7","6","3","2","1") = "6"
    & skf21("6","5","1","7","6","3","3","1") = "6"
    & skf21("6","5","1","7","6","3","4","1") = "6"
    & skf21("6","5","1","7","6","3","5","1") = "6"
    & skf21("6","5","1","7","6","3","6","1") = "6"
    & skf21("6","5","1","7","6","3","7","1") = "6"
    & skf21("6","5","1","7","6","4","1","1") = "6"
    & skf21("6","5","1","7","6","4","2","1") = "6"
    & skf21("6","5","1","7","6","4","3","1") = "6"
    & skf21("6","5","1","7","6","4","4","1") = "6"
    & skf21("6","5","1","7","6","4","5","1") = "6"
    & skf21("6","5","1","7","6","4","6","1") = "6"
    & skf21("6","5","1","7","6","4","7","1") = "6"
    & skf21("6","5","1","7","6","5","1","1") = "6"
    & skf21("6","5","1","7","6","5","2","1") = "6"
    & skf21("6","5","1","7","6","5","3","1") = "6"
    & skf21("6","5","1","7","6","5","4","1") = "6"
    & skf21("6","5","1","7","6","5","5","1") = "6"
    & skf21("6","5","1","7","6","5","6","1") = "6"
    & skf21("6","5","1","7","6","5","7","1") = "6"
    & skf21("6","5","1","7","6","6","1","1") = "6"
    & skf21("6","5","1","7","6","6","2","1") = "6"
    & skf21("6","5","1","7","6","6","3","1") = "6"
    & skf21("6","5","1","7","6","6","4","1") = "6"
    & skf21("6","5","1","7","6","6","5","1") = "6"
    & skf21("6","5","1","7","6","6","6","1") = "6"
    & skf21("6","5","1","7","6","6","7","1") = "6"
    & skf21("6","5","1","7","6","7","1","1") = "6"
    & skf21("6","5","1","7","6","7","2","1") = "6"
    & skf21("6","5","1","7","6","7","3","1") = "6"
    & skf21("6","5","1","7","6","7","4","1") = "6"
    & skf21("6","5","1","7","6","7","5","1") = "6"
    & skf21("6","5","1","7","6","7","6","1") = "6"
    & skf21("6","5","1","7","6","7","7","1") = "6"
    & skf21("6","5","1","7","7","1","1","1") = "6"
    & skf21("6","5","1","7","7","1","2","1") = "6"
    & skf21("6","5","1","7","7","1","3","1") = "6"
    & skf21("6","5","1","7","7","1","4","1") = "6"
    & skf21("6","5","1","7","7","1","5","1") = "6"
    & skf21("6","5","1","7","7","1","6","1") = "6"
    & skf21("6","5","1","7","7","1","7","1") = "6"
    & skf21("6","5","1","7","7","2","1","1") = "6"
    & skf21("6","5","1","7","7","2","2","1") = "6"
    & skf21("6","5","1","7","7","2","3","1") = "6"
    & skf21("6","5","1","7","7","2","4","1") = "6"
    & skf21("6","5","1","7","7","2","5","1") = "6"
    & skf21("6","5","1","7","7","2","6","1") = "6"
    & skf21("6","5","1","7","7","2","7","1") = "6"
    & skf21("6","5","1","7","7","3","1","1") = "6"
    & skf21("6","5","1","7","7","3","2","1") = "6"
    & skf21("6","5","1","7","7","3","3","1") = "6"
    & skf21("6","5","1","7","7","3","4","1") = "6"
    & skf21("6","5","1","7","7","3","5","1") = "6"
    & skf21("6","5","1","7","7","3","6","1") = "6"
    & skf21("6","5","1","7","7","3","7","1") = "6"
    & skf21("6","5","1","7","7","4","1","1") = "6"
    & skf21("6","5","1","7","7","4","2","1") = "6"
    & skf21("6","5","1","7","7","4","3","1") = "6"
    & skf21("6","5","1","7","7","4","4","1") = "6"
    & skf21("6","5","1","7","7","4","5","1") = "6"
    & skf21("6","5","1","7","7","4","6","1") = "6"
    & skf21("6","5","1","7","7","4","7","1") = "6"
    & skf21("6","5","1","7","7","5","1","1") = "6"
    & skf21("6","5","1","7","7","5","2","1") = "6"
    & skf21("6","5","1","7","7","5","3","1") = "6"
    & skf21("6","5","1","7","7","5","4","1") = "6"
    & skf21("6","5","1","7","7","5","5","1") = "6"
    & skf21("6","5","1","7","7","5","6","1") = "6"
    & skf21("6","5","1","7","7","5","7","1") = "6"
    & skf21("6","5","1","7","7","6","1","1") = "6"
    & skf21("6","5","1","7","7","6","2","1") = "6"
    & skf21("6","5","1","7","7","6","3","1") = "6"
    & skf21("6","5","1","7","7","6","4","1") = "6"
    & skf21("6","5","1","7","7","6","5","1") = "6"
    & skf21("6","5","1","7","7","6","6","1") = "6"
    & skf21("6","5","1","7","7","6","7","1") = "6"
    & skf21("6","5","1","7","7","7","1","1") = "6"
    & skf21("6","5","1","7","7","7","2","1") = "6"
    & skf21("6","5","1","7","7","7","3","1") = "6"
    & skf21("6","5","1","7","7","7","4","1") = "6"
    & skf21("6","5","1","7","7","7","5","1") = "6"
    & skf21("6","5","1","7","7","7","6","1") = "6"
    & skf21("6","5","1","7","7","7","7","1") = "6"
    & skf21("6","5","2","1","1","1","1","1") = "5"
    & skf21("6","5","2","1","1","1","2","1") = "5"
    & skf21("6","5","2","1","1","1","3","1") = "5"
    & skf21("6","5","2","1","1","1","4","1") = "5"
    & skf21("6","5","2","1","1","1","5","1") = "5"
    & skf21("6","5","2","1","1","1","6","1") = "5"
    & skf21("6","5","2","1","1","1","7","1") = "6"
    & skf21("6","5","2","1","1","2","1","1") = "5"
    & skf21("6","5","2","1","1","2","2","1") = "5"
    & skf21("6","5","2","1","1","2","3","1") = "5"
    & skf21("6","5","2","1","1","2","4","1") = "5"
    & skf21("6","5","2","1","1","2","5","1") = "5"
    & skf21("6","5","2","1","1","2","6","1") = "5"
    & skf21("6","5","2","1","1","2","7","1") = "6"
    & skf21("6","5","2","1","1","3","1","1") = "5"
    & skf21("6","5","2","1","1","3","2","1") = "5"
    & skf21("6","5","2","1","1","3","3","1") = "5"
    & skf21("6","5","2","1","1","3","4","1") = "5"
    & skf21("6","5","2","1","1","3","5","1") = "5"
    & skf21("6","5","2","1","1","3","6","1") = "5"
    & skf21("6","5","2","1","1","3","7","1") = "6"
    & skf21("6","5","2","1","1","4","1","1") = "5"
    & skf21("6","5","2","1","1","4","2","1") = "5"
    & skf21("6","5","2","1","1","4","3","1") = "5"
    & skf21("6","5","2","1","1","4","4","1") = "5"
    & skf21("6","5","2","1","1","4","5","1") = "5"
    & skf21("6","5","2","1","1","4","6","1") = "5"
    & skf21("6","5","2","1","1","4","7","1") = "6"
    & skf21("6","5","2","1","1","5","1","1") = "5"
    & skf21("6","5","2","1","1","5","2","1") = "5"
    & skf21("6","5","2","1","1","5","3","1") = "5"
    & skf21("6","5","2","1","1","5","4","1") = "5"
    & skf21("6","5","2","1","1","5","5","1") = "5"
    & skf21("6","5","2","1","1","5","6","1") = "5"
    & skf21("6","5","2","1","1","5","7","1") = "6"
    & skf21("6","5","2","1","1","6","1","1") = "5"
    & skf21("6","5","2","1","1","6","2","1") = "5"
    & skf21("6","5","2","1","1","6","3","1") = "5"
    & skf21("6","5","2","1","1","6","4","1") = "5"
    & skf21("6","5","2","1","1","6","5","1") = "5"
    & skf21("6","5","2","1","1","6","6","1") = "5"
    & skf21("6","5","2","1","1","6","7","1") = "6"
    & skf21("6","5","2","1","1","7","1","1") = "6"
    & skf21("6","5","2","1","1","7","2","1") = "6"
    & skf21("6","5","2","1","1","7","3","1") = "6"
    & skf21("6","5","2","1","1","7","4","1") = "6"
    & skf21("6","5","2","1","1","7","5","1") = "6"
    & skf21("6","5","2","1","1","7","6","1") = "6"
    & skf21("6","5","2","1","1","7","7","1") = "6"
    & skf21("6","5","2","1","2","1","1","1") = "5"
    & skf21("6","5","2","1","2","1","2","1") = "5"
    & skf21("6","5","2","1","2","1","3","1") = "5"
    & skf21("6","5","2","1","2","1","4","1") = "5"
    & skf21("6","5","2","1","2","1","5","1") = "5"
    & skf21("6","5","2","1","2","1","6","1") = "5"
    & skf21("6","5","2","1","2","1","7","1") = "6"
    & skf21("6","5","2","1","2","2","1","1") = "5"
    & skf21("6","5","2","1","2","2","2","1") = "5"
    & skf21("6","5","2","1","2","2","3","1") = "5"
    & skf21("6","5","2","1","2","2","4","1") = "5"
    & skf21("6","5","2","1","2","2","5","1") = "5"
    & skf21("6","5","2","1","2","2","6","1") = "5"
    & skf21("6","5","2","1","2","2","7","1") = "6"
    & skf21("6","5","2","1","2","3","1","1") = "5"
    & skf21("6","5","2","1","2","3","2","1") = "5"
    & skf21("6","5","2","1","2","3","3","1") = "5"
    & skf21("6","5","2","1","2","3","4","1") = "5"
    & skf21("6","5","2","1","2","3","5","1") = "5"
    & skf21("6","5","2","1","2","3","6","1") = "5"
    & skf21("6","5","2","1","2","3","7","1") = "6"
    & skf21("6","5","2","1","2","4","1","1") = "5"
    & skf21("6","5","2","1","2","4","2","1") = "5"
    & skf21("6","5","2","1","2","4","3","1") = "5"
    & skf21("6","5","2","1","2","4","4","1") = "5"
    & skf21("6","5","2","1","2","4","5","1") = "5"
    & skf21("6","5","2","1","2","4","6","1") = "5"
    & skf21("6","5","2","1","2","4","7","1") = "6"
    & skf21("6","5","2","1","2","5","1","1") = "5"
    & skf21("6","5","2","1","2","5","2","1") = "5"
    & skf21("6","5","2","1","2","5","3","1") = "5"
    & skf21("6","5","2","1","2","5","4","1") = "5"
    & skf21("6","5","2","1","2","5","5","1") = "5"
    & skf21("6","5","2","1","2","5","6","1") = "5"
    & skf21("6","5","2","1","2","5","7","1") = "6"
    & skf21("6","5","2","1","2","6","1","1") = "5"
    & skf21("6","5","2","1","2","6","2","1") = "5"
    & skf21("6","5","2","1","2","6","3","1") = "5"
    & skf21("6","5","2","1","2","6","4","1") = "5"
    & skf21("6","5","2","1","2","6","5","1") = "5"
    & skf21("6","5","2","1","2","6","6","1") = "5"
    & skf21("6","5","2","1","2","6","7","1") = "6"
    & skf21("6","5","2","1","2","7","1","1") = "6"
    & skf21("6","5","2","1","2","7","2","1") = "6"
    & skf21("6","5","2","1","2","7","3","1") = "6"
    & skf21("6","5","2","1","2","7","4","1") = "6"
    & skf21("6","5","2","1","2","7","5","1") = "6"
    & skf21("6","5","2","1","2","7","6","1") = "6"
    & skf21("6","5","2","1","2","7","7","1") = "6"
    & skf21("6","5","2","1","3","1","1","1") = "5"
    & skf21("6","5","2","1","3","1","2","1") = "5"
    & skf21("6","5","2","1","3","1","3","1") = "5"
    & skf21("6","5","2","1","3","1","4","1") = "5"
    & skf21("6","5","2","1","3","1","5","1") = "5"
    & skf21("6","5","2","1","3","1","6","1") = "5"
    & skf21("6","5","2","1","3","1","7","1") = "6"
    & skf21("6","5","2","1","3","2","1","1") = "5"
    & skf21("6","5","2","1","3","2","2","1") = "5"
    & skf21("6","5","2","1","3","2","3","1") = "5"
    & skf21("6","5","2","1","3","2","4","1") = "5"
    & skf21("6","5","2","1","3","2","5","1") = "5"
    & skf21("6","5","2","1","3","2","6","1") = "5"
    & skf21("6","5","2","1","3","2","7","1") = "6"
    & skf21("6","5","2","1","3","3","1","1") = "5"
    & skf21("6","5","2","1","3","3","2","1") = "5"
    & skf21("6","5","2","1","3","3","3","1") = "5"
    & skf21("6","5","2","1","3","3","4","1") = "5"
    & skf21("6","5","2","1","3","3","5","1") = "5"
    & skf21("6","5","2","1","3","3","6","1") = "5"
    & skf21("6","5","2","1","3","3","7","1") = "6"
    & skf21("6","5","2","1","3","4","1","1") = "5"
    & skf21("6","5","2","1","3","4","2","1") = "5"
    & skf21("6","5","2","1","3","4","3","1") = "5"
    & skf21("6","5","2","1","3","4","4","1") = "5"
    & skf21("6","5","2","1","3","4","5","1") = "5"
    & skf21("6","5","2","1","3","4","6","1") = "5"
    & skf21("6","5","2","1","3","4","7","1") = "6"
    & skf21("6","5","2","1","3","5","1","1") = "5"
    & skf21("6","5","2","1","3","5","2","1") = "5"
    & skf21("6","5","2","1","3","5","3","1") = "5"
    & skf21("6","5","2","1","3","5","4","1") = "5"
    & skf21("6","5","2","1","3","5","5","1") = "5"
    & skf21("6","5","2","1","3","5","6","1") = "5"
    & skf21("6","5","2","1","3","5","7","1") = "6"
    & skf21("6","5","2","1","3","6","1","1") = "5"
    & skf21("6","5","2","1","3","6","2","1") = "5"
    & skf21("6","5","2","1","3","6","3","1") = "5"
    & skf21("6","5","2","1","3","6","4","1") = "5"
    & skf21("6","5","2","1","3","6","5","1") = "5"
    & skf21("6","5","2","1","3","6","6","1") = "5"
    & skf21("6","5","2","1","3","6","7","1") = "6"
    & skf21("6","5","2","1","3","7","1","1") = "6"
    & skf21("6","5","2","1","3","7","2","1") = "6"
    & skf21("6","5","2","1","3","7","3","1") = "6"
    & skf21("6","5","2","1","3","7","4","1") = "6"
    & skf21("6","5","2","1","3","7","5","1") = "6"
    & skf21("6","5","2","1","3","7","6","1") = "6"
    & skf21("6","5","2","1","3","7","7","1") = "6"
    & skf21("6","5","2","1","4","1","1","1") = "5"
    & skf21("6","5","2","1","4","1","2","1") = "5"
    & skf21("6","5","2","1","4","1","3","1") = "5"
    & skf21("6","5","2","1","4","1","4","1") = "5"
    & skf21("6","5","2","1","4","1","5","1") = "5"
    & skf21("6","5","2","1","4","1","6","1") = "5"
    & skf21("6","5","2","1","4","1","7","1") = "6"
    & skf21("6","5","2","1","4","2","1","1") = "5"
    & skf21("6","5","2","1","4","2","2","1") = "5"
    & skf21("6","5","2","1","4","2","3","1") = "5"
    & skf21("6","5","2","1","4","2","4","1") = "5"
    & skf21("6","5","2","1","4","2","5","1") = "5"
    & skf21("6","5","2","1","4","2","6","1") = "5"
    & skf21("6","5","2","1","4","2","7","1") = "6"
    & skf21("6","5","2","1","4","3","1","1") = "5"
    & skf21("6","5","2","1","4","3","2","1") = "5"
    & skf21("6","5","2","1","4","3","3","1") = "5"
    & skf21("6","5","2","1","4","3","4","1") = "5"
    & skf21("6","5","2","1","4","3","5","1") = "5"
    & skf21("6","5","2","1","4","3","6","1") = "5"
    & skf21("6","5","2","1","4","3","7","1") = "6"
    & skf21("6","5","2","1","4","4","1","1") = "5"
    & skf21("6","5","2","1","4","4","2","1") = "5"
    & skf21("6","5","2","1","4","4","3","1") = "5"
    & skf21("6","5","2","1","4","4","4","1") = "5"
    & skf21("6","5","2","1","4","4","5","1") = "5"
    & skf21("6","5","2","1","4","4","6","1") = "5"
    & skf21("6","5","2","1","4","4","7","1") = "6"
    & skf21("6","5","2","1","4","5","1","1") = "5"
    & skf21("6","5","2","1","4","5","2","1") = "5"
    & skf21("6","5","2","1","4","5","3","1") = "5"
    & skf21("6","5","2","1","4","5","4","1") = "5"
    & skf21("6","5","2","1","4","5","5","1") = "5"
    & skf21("6","5","2","1","4","5","6","1") = "5"
    & skf21("6","5","2","1","4","5","7","1") = "6"
    & skf21("6","5","2","1","4","6","1","1") = "5"
    & skf21("6","5","2","1","4","6","2","1") = "5"
    & skf21("6","5","2","1","4","6","3","1") = "5"
    & skf21("6","5","2","1","4","6","4","1") = "5"
    & skf21("6","5","2","1","4","6","5","1") = "5"
    & skf21("6","5","2","1","4","6","6","1") = "5"
    & skf21("6","5","2","1","4","6","7","1") = "6"
    & skf21("6","5","2","1","4","7","1","1") = "6"
    & skf21("6","5","2","1","4","7","2","1") = "6"
    & skf21("6","5","2","1","4","7","3","1") = "6"
    & skf21("6","5","2","1","4","7","4","1") = "6"
    & skf21("6","5","2","1","4","7","5","1") = "6"
    & skf21("6","5","2","1","4","7","6","1") = "6"
    & skf21("6","5","2","1","4","7","7","1") = "6"
    & skf21("6","5","2","1","5","1","1","1") = "5"
    & skf21("6","5","2","1","5","1","2","1") = "5"
    & skf21("6","5","2","1","5","1","3","1") = "5"
    & skf21("6","5","2","1","5","1","4","1") = "5"
    & skf21("6","5","2","1","5","1","5","1") = "5"
    & skf21("6","5","2","1","5","1","6","1") = "5"
    & skf21("6","5","2","1","5","1","7","1") = "6"
    & skf21("6","5","2","1","5","2","1","1") = "5"
    & skf21("6","5","2","1","5","2","2","1") = "5"
    & skf21("6","5","2","1","5","2","3","1") = "5"
    & skf21("6","5","2","1","5","2","4","1") = "5"
    & skf21("6","5","2","1","5","2","5","1") = "5"
    & skf21("6","5","2","1","5","2","6","1") = "5"
    & skf21("6","5","2","1","5","2","7","1") = "6"
    & skf21("6","5","2","1","5","3","1","1") = "5"
    & skf21("6","5","2","1","5","3","2","1") = "5"
    & skf21("6","5","2","1","5","3","3","1") = "5"
    & skf21("6","5","2","1","5","3","4","1") = "5"
    & skf21("6","5","2","1","5","3","5","1") = "5"
    & skf21("6","5","2","1","5","3","6","1") = "5"
    & skf21("6","5","2","1","5","3","7","1") = "6"
    & skf21("6","5","2","1","5","4","1","1") = "5"
    & skf21("6","5","2","1","5","4","2","1") = "5"
    & skf21("6","5","2","1","5","4","3","1") = "5"
    & skf21("6","5","2","1","5","4","4","1") = "5"
    & skf21("6","5","2","1","5","4","5","1") = "5"
    & skf21("6","5","2","1","5","4","6","1") = "5"
    & skf21("6","5","2","1","5","4","7","1") = "6"
    & skf21("6","5","2","1","5","5","1","1") = "5"
    & skf21("6","5","2","1","5","5","2","1") = "5"
    & skf21("6","5","2","1","5","5","3","1") = "5"
    & skf21("6","5","2","1","5","5","4","1") = "5"
    & skf21("6","5","2","1","5","5","5","1") = "5"
    & skf21("6","5","2","1","5","5","6","1") = "5"
    & skf21("6","5","2","1","5","5","7","1") = "6"
    & skf21("6","5","2","1","5","6","1","1") = "5"
    & skf21("6","5","2","1","5","6","2","1") = "5"
    & skf21("6","5","2","1","5","6","3","1") = "5"
    & skf21("6","5","2","1","5","6","4","1") = "5"
    & skf21("6","5","2","1","5","6","5","1") = "5"
    & skf21("6","5","2","1","5","6","6","1") = "5"
    & skf21("6","5","2","1","5","6","7","1") = "6"
    & skf21("6","5","2","1","5","7","1","1") = "6"
    & skf21("6","5","2","1","5","7","2","1") = "6"
    & skf21("6","5","2","1","5","7","3","1") = "6"
    & skf21("6","5","2","1","5","7","4","1") = "6"
    & skf21("6","5","2","1","5","7","5","1") = "6"
    & skf21("6","5","2","1","5","7","6","1") = "6"
    & skf21("6","5","2","1","5","7","7","1") = "6"
    & skf21("6","5","2","1","6","1","1","1") = "5"
    & skf21("6","5","2","1","6","1","2","1") = "5"
    & skf21("6","5","2","1","6","1","3","1") = "5"
    & skf21("6","5","2","1","6","1","4","1") = "5"
    & skf21("6","5","2","1","6","1","5","1") = "5"
    & skf21("6","5","2","1","6","1","6","1") = "5"
    & skf21("6","5","2","1","6","1","7","1") = "6"
    & skf21("6","5","2","1","6","2","1","1") = "5"
    & skf21("6","5","2","1","6","2","2","1") = "5"
    & skf21("6","5","2","1","6","2","3","1") = "5"
    & skf21("6","5","2","1","6","2","4","1") = "5"
    & skf21("6","5","2","1","6","2","5","1") = "5"
    & skf21("6","5","2","1","6","2","6","1") = "5"
    & skf21("6","5","2","1","6","2","7","1") = "6"
    & skf21("6","5","2","1","6","3","1","1") = "5"
    & skf21("6","5","2","1","6","3","2","1") = "5"
    & skf21("6","5","2","1","6","3","3","1") = "5"
    & skf21("6","5","2","1","6","3","4","1") = "5"
    & skf21("6","5","2","1","6","3","5","1") = "5"
    & skf21("6","5","2","1","6","3","6","1") = "5"
    & skf21("6","5","2","1","6","3","7","1") = "6"
    & skf21("6","5","2","1","6","4","1","1") = "5"
    & skf21("6","5","2","1","6","4","2","1") = "5"
    & skf21("6","5","2","1","6","4","3","1") = "5"
    & skf21("6","5","2","1","6","4","4","1") = "5"
    & skf21("6","5","2","1","6","4","5","1") = "5"
    & skf21("6","5","2","1","6","4","6","1") = "5"
    & skf21("6","5","2","1","6","4","7","1") = "6"
    & skf21("6","5","2","1","6","5","1","1") = "5"
    & skf21("6","5","2","1","6","5","2","1") = "5"
    & skf21("6","5","2","1","6","5","3","1") = "5"
    & skf21("6","5","2","1","6","5","4","1") = "5"
    & skf21("6","5","2","1","6","5","5","1") = "5"
    & skf21("6","5","2","1","6","5","6","1") = "5"
    & skf21("6","5","2","1","6","5","7","1") = "6"
    & skf21("6","5","2","1","6","6","1","1") = "5"
    & skf21("6","5","2","1","6","6","2","1") = "5"
    & skf21("6","5","2","1","6","6","3","1") = "5"
    & skf21("6","5","2","1","6","6","4","1") = "5"
    & skf21("6","5","2","1","6","6","5","1") = "5"
    & skf21("6","5","2","1","6","6","6","1") = "5"
    & skf21("6","5","2","1","6","6","7","1") = "6"
    & skf21("6","5","2","1","6","7","1","1") = "6"
    & skf21("6","5","2","1","6","7","2","1") = "6"
    & skf21("6","5","2","1","6","7","3","1") = "6"
    & skf21("6","5","2","1","6","7","4","1") = "6"
    & skf21("6","5","2","1","6","7","5","1") = "6"
    & skf21("6","5","2","1","6","7","6","1") = "6"
    & skf21("6","5","2","1","6","7","7","1") = "6"
    & skf21("6","5","2","1","7","1","1","1") = "6"
    & skf21("6","5","2","1","7","1","2","1") = "6"
    & skf21("6","5","2","1","7","1","3","1") = "6"
    & skf21("6","5","2","1","7","1","4","1") = "6"
    & skf21("6","5","2","1","7","1","5","1") = "6"
    & skf21("6","5","2","1","7","1","6","1") = "6"
    & skf21("6","5","2","1","7","1","7","1") = "6"
    & skf21("6","5","2","1","7","2","1","1") = "6"
    & skf21("6","5","2","1","7","2","2","1") = "6"
    & skf21("6","5","2","1","7","2","3","1") = "6"
    & skf21("6","5","2","1","7","2","4","1") = "6"
    & skf21("6","5","2","1","7","2","5","1") = "6"
    & skf21("6","5","2","1","7","2","6","1") = "6"
    & skf21("6","5","2","1","7","2","7","1") = "6"
    & skf21("6","5","2","1","7","3","1","1") = "6"
    & skf21("6","5","2","1","7","3","2","1") = "6"
    & skf21("6","5","2","1","7","3","3","1") = "6"
    & skf21("6","5","2","1","7","3","4","1") = "6"
    & skf21("6","5","2","1","7","3","5","1") = "6"
    & skf21("6","5","2","1","7","3","6","1") = "6"
    & skf21("6","5","2","1","7","3","7","1") = "6"
    & skf21("6","5","2","1","7","4","1","1") = "6"
    & skf21("6","5","2","1","7","4","2","1") = "6"
    & skf21("6","5","2","1","7","4","3","1") = "6"
    & skf21("6","5","2","1","7","4","4","1") = "6"
    & skf21("6","5","2","1","7","4","5","1") = "6"
    & skf21("6","5","2","1","7","4","6","1") = "6"
    & skf21("6","5","2","1","7","4","7","1") = "6"
    & skf21("6","5","2","1","7","5","1","1") = "6"
    & skf21("6","5","2","1","7","5","2","1") = "6"
    & skf21("6","5","2","1","7","5","3","1") = "6"
    & skf21("6","5","2","1","7","5","4","1") = "6"
    & skf21("6","5","2","1","7","5","5","1") = "6"
    & skf21("6","5","2","1","7","5","6","1") = "6"
    & skf21("6","5","2","1","7","5","7","1") = "6"
    & skf21("6","5","2","1","7","6","1","1") = "6"
    & skf21("6","5","2","1","7","6","2","1") = "6"
    & skf21("6","5","2","1","7","6","3","1") = "6"
    & skf21("6","5","2","1","7","6","4","1") = "6"
    & skf21("6","5","2","1","7","6","5","1") = "6"
    & skf21("6","5","2","1","7","6","6","1") = "6"
    & skf21("6","5","2","1","7","6","7","1") = "6"
    & skf21("6","5","2","1","7","7","1","1") = "6"
    & skf21("6","5","2","1","7","7","2","1") = "6"
    & skf21("6","5","2","1","7","7","3","1") = "6"
    & skf21("6","5","2","1","7","7","4","1") = "6"
    & skf21("6","5","2","1","7","7","5","1") = "6"
    & skf21("6","5","2","1","7","7","6","1") = "6"
    & skf21("6","5","2","1","7","7","7","1") = "6"
    & skf21("6","5","2","2","1","1","1","1") = "5"
    & skf21("6","5","2","2","1","1","2","1") = "5"
    & skf21("6","5","2","2","1","1","3","1") = "5"
    & skf21("6","5","2","2","1","1","4","1") = "5"
    & skf21("6","5","2","2","1","1","5","1") = "5"
    & skf21("6","5","2","2","1","1","6","1") = "5"
    & skf21("6","5","2","2","1","1","7","1") = "6"
    & skf21("6","5","2","2","1","2","1","1") = "5"
    & skf21("6","5","2","2","1","2","2","1") = "5"
    & skf21("6","5","2","2","1","2","3","1") = "5"
    & skf21("6","5","2","2","1","2","4","1") = "5"
    & skf21("6","5","2","2","1","2","5","1") = "5"
    & skf21("6","5","2","2","1","2","6","1") = "5"
    & skf21("6","5","2","2","1","2","7","1") = "6"
    & skf21("6","5","2","2","1","3","1","1") = "5"
    & skf21("6","5","2","2","1","3","2","1") = "5"
    & skf21("6","5","2","2","1","3","3","1") = "5"
    & skf21("6","5","2","2","1","3","4","1") = "5"
    & skf21("6","5","2","2","1","3","5","1") = "5"
    & skf21("6","5","2","2","1","3","6","1") = "5"
    & skf21("6","5","2","2","1","3","7","1") = "6"
    & skf21("6","5","2","2","1","4","1","1") = "5"
    & skf21("6","5","2","2","1","4","2","1") = "5"
    & skf21("6","5","2","2","1","4","3","1") = "5"
    & skf21("6","5","2","2","1","4","4","1") = "5"
    & skf21("6","5","2","2","1","4","5","1") = "5"
    & skf21("6","5","2","2","1","4","6","1") = "5"
    & skf21("6","5","2","2","1","4","7","1") = "6"
    & skf21("6","5","2","2","1","5","1","1") = "5"
    & skf21("6","5","2","2","1","5","2","1") = "5"
    & skf21("6","5","2","2","1","5","3","1") = "5"
    & skf21("6","5","2","2","1","5","4","1") = "5"
    & skf21("6","5","2","2","1","5","5","1") = "5"
    & skf21("6","5","2","2","1","5","6","1") = "5"
    & skf21("6","5","2","2","1","5","7","1") = "6"
    & skf21("6","5","2","2","1","6","1","1") = "5"
    & skf21("6","5","2","2","1","6","2","1") = "5"
    & skf21("6","5","2","2","1","6","3","1") = "5"
    & skf21("6","5","2","2","1","6","4","1") = "5"
    & skf21("6","5","2","2","1","6","5","1") = "5"
    & skf21("6","5","2","2","1","6","6","1") = "5"
    & skf21("6","5","2","2","1","6","7","1") = "6"
    & skf21("6","5","2","2","1","7","1","1") = "6"
    & skf21("6","5","2","2","1","7","2","1") = "6"
    & skf21("6","5","2","2","1","7","3","1") = "6"
    & skf21("6","5","2","2","1","7","4","1") = "6"
    & skf21("6","5","2","2","1","7","5","1") = "6"
    & skf21("6","5","2","2","1","7","6","1") = "6"
    & skf21("6","5","2","2","1","7","7","1") = "6"
    & skf21("6","5","2","2","2","1","1","1") = "5"
    & skf21("6","5","2","2","2","1","2","1") = "5"
    & skf21("6","5","2","2","2","1","3","1") = "5"
    & skf21("6","5","2","2","2","1","4","1") = "5"
    & skf21("6","5","2","2","2","1","5","1") = "5"
    & skf21("6","5","2","2","2","1","6","1") = "5"
    & skf21("6","5","2","2","2","1","7","1") = "6"
    & skf21("6","5","2","2","2","2","1","1") = "5"
    & skf21("6","5","2","2","2","2","2","1") = "5"
    & skf21("6","5","2","2","2","2","3","1") = "5"
    & skf21("6","5","2","2","2","2","4","1") = "5"
    & skf21("6","5","2","2","2","2","5","1") = "5"
    & skf21("6","5","2","2","2","2","6","1") = "5"
    & skf21("6","5","2","2","2","2","7","1") = "6"
    & skf21("6","5","2","2","2","3","1","1") = "5"
    & skf21("6","5","2","2","2","3","2","1") = "5"
    & skf21("6","5","2","2","2","3","3","1") = "5"
    & skf21("6","5","2","2","2","3","4","1") = "5"
    & skf21("6","5","2","2","2","3","5","1") = "5"
    & skf21("6","5","2","2","2","3","6","1") = "5"
    & skf21("6","5","2","2","2","3","7","1") = "6"
    & skf21("6","5","2","2","2","4","1","1") = "5"
    & skf21("6","5","2","2","2","4","2","1") = "5"
    & skf21("6","5","2","2","2","4","3","1") = "5"
    & skf21("6","5","2","2","2","4","4","1") = "5"
    & skf21("6","5","2","2","2","4","5","1") = "5"
    & skf21("6","5","2","2","2","4","6","1") = "5"
    & skf21("6","5","2","2","2","4","7","1") = "6"
    & skf21("6","5","2","2","2","5","1","1") = "5"
    & skf21("6","5","2","2","2","5","2","1") = "5"
    & skf21("6","5","2","2","2","5","3","1") = "5"
    & skf21("6","5","2","2","2","5","4","1") = "5"
    & skf21("6","5","2","2","2","5","5","1") = "5"
    & skf21("6","5","2","2","2","5","6","1") = "5"
    & skf21("6","5","2","2","2","5","7","1") = "6"
    & skf21("6","5","2","2","2","6","1","1") = "5"
    & skf21("6","5","2","2","2","6","2","1") = "5"
    & skf21("6","5","2","2","2","6","3","1") = "5"
    & skf21("6","5","2","2","2","6","4","1") = "5"
    & skf21("6","5","2","2","2","6","5","1") = "5"
    & skf21("6","5","2","2","2","6","6","1") = "5"
    & skf21("6","5","2","2","2","6","7","1") = "6"
    & skf21("6","5","2","2","2","7","1","1") = "6"
    & skf21("6","5","2","2","2","7","2","1") = "6"
    & skf21("6","5","2","2","2","7","3","1") = "6"
    & skf21("6","5","2","2","2","7","4","1") = "6"
    & skf21("6","5","2","2","2","7","5","1") = "6"
    & skf21("6","5","2","2","2","7","6","1") = "6"
    & skf21("6","5","2","2","2","7","7","1") = "6"
    & skf21("6","5","2","2","3","1","1","1") = "5"
    & skf21("6","5","2","2","3","1","2","1") = "5"
    & skf21("6","5","2","2","3","1","3","1") = "5"
    & skf21("6","5","2","2","3","1","4","1") = "5"
    & skf21("6","5","2","2","3","1","5","1") = "5"
    & skf21("6","5","2","2","3","1","6","1") = "5"
    & skf21("6","5","2","2","3","1","7","1") = "6"
    & skf21("6","5","2","2","3","2","1","1") = "5"
    & skf21("6","5","2","2","3","2","2","1") = "5"
    & skf21("6","5","2","2","3","2","3","1") = "5"
    & skf21("6","5","2","2","3","2","4","1") = "5"
    & skf21("6","5","2","2","3","2","5","1") = "5"
    & skf21("6","5","2","2","3","2","6","1") = "5"
    & skf21("6","5","2","2","3","2","7","1") = "6"
    & skf21("6","5","2","2","3","3","1","1") = "5"
    & skf21("6","5","2","2","3","3","2","1") = "5"
    & skf21("6","5","2","2","3","3","3","1") = "5"
    & skf21("6","5","2","2","3","3","4","1") = "5"
    & skf21("6","5","2","2","3","3","5","1") = "5"
    & skf21("6","5","2","2","3","3","6","1") = "5"
    & skf21("6","5","2","2","3","3","7","1") = "6"
    & skf21("6","5","2","2","3","4","1","1") = "5"
    & skf21("6","5","2","2","3","4","2","1") = "5"
    & skf21("6","5","2","2","3","4","3","1") = "5"
    & skf21("6","5","2","2","3","4","4","1") = "5"
    & skf21("6","5","2","2","3","4","5","1") = "5"
    & skf21("6","5","2","2","3","4","6","1") = "5"
    & skf21("6","5","2","2","3","4","7","1") = "6"
    & skf21("6","5","2","2","3","5","1","1") = "5"
    & skf21("6","5","2","2","3","5","2","1") = "5"
    & skf21("6","5","2","2","3","5","3","1") = "5"
    & skf21("6","5","2","2","3","5","4","1") = "5"
    & skf21("6","5","2","2","3","5","5","1") = "5"
    & skf21("6","5","2","2","3","5","6","1") = "5"
    & skf21("6","5","2","2","3","5","7","1") = "6"
    & skf21("6","5","2","2","3","6","1","1") = "5"
    & skf21("6","5","2","2","3","6","2","1") = "5"
    & skf21("6","5","2","2","3","6","3","1") = "5"
    & skf21("6","5","2","2","3","6","4","1") = "5"
    & skf21("6","5","2","2","3","6","5","1") = "5"
    & skf21("6","5","2","2","3","6","6","1") = "5"
    & skf21("6","5","2","2","3","6","7","1") = "6"
    & skf21("6","5","2","2","3","7","1","1") = "6"
    & skf21("6","5","2","2","3","7","2","1") = "6"
    & skf21("6","5","2","2","3","7","3","1") = "6"
    & skf21("6","5","2","2","3","7","4","1") = "6"
    & skf21("6","5","2","2","3","7","5","1") = "6"
    & skf21("6","5","2","2","3","7","6","1") = "6"
    & skf21("6","5","2","2","3","7","7","1") = "6"
    & skf21("6","5","2","2","4","1","1","1") = "5"
    & skf21("6","5","2","2","4","1","2","1") = "5"
    & skf21("6","5","2","2","4","1","3","1") = "5"
    & skf21("6","5","2","2","4","1","4","1") = "5"
    & skf21("6","5","2","2","4","1","5","1") = "5"
    & skf21("6","5","2","2","4","1","6","1") = "5"
    & skf21("6","5","2","2","4","1","7","1") = "6"
    & skf21("6","5","2","2","4","2","1","1") = "5"
    & skf21("6","5","2","2","4","2","2","1") = "5"
    & skf21("6","5","2","2","4","2","3","1") = "5"
    & skf21("6","5","2","2","4","2","4","1") = "5"
    & skf21("6","5","2","2","4","2","5","1") = "5"
    & skf21("6","5","2","2","4","2","6","1") = "5"
    & skf21("6","5","2","2","4","2","7","1") = "6"
    & skf21("6","5","2","2","4","3","1","1") = "5"
    & skf21("6","5","2","2","4","3","2","1") = "5"
    & skf21("6","5","2","2","4","3","3","1") = "5"
    & skf21("6","5","2","2","4","3","4","1") = "5"
    & skf21("6","5","2","2","4","3","5","1") = "5"
    & skf21("6","5","2","2","4","3","6","1") = "5"
    & skf21("6","5","2","2","4","3","7","1") = "6"
    & skf21("6","5","2","2","4","4","1","1") = "5"
    & skf21("6","5","2","2","4","4","2","1") = "5"
    & skf21("6","5","2","2","4","4","3","1") = "5"
    & skf21("6","5","2","2","4","4","4","1") = "5"
    & skf21("6","5","2","2","4","4","5","1") = "5"
    & skf21("6","5","2","2","4","4","6","1") = "5"
    & skf21("6","5","2","2","4","4","7","1") = "6"
    & skf21("6","5","2","2","4","5","1","1") = "5"
    & skf21("6","5","2","2","4","5","2","1") = "5"
    & skf21("6","5","2","2","4","5","3","1") = "5"
    & skf21("6","5","2","2","4","5","4","1") = "5"
    & skf21("6","5","2","2","4","5","5","1") = "5"
    & skf21("6","5","2","2","4","5","6","1") = "5"
    & skf21("6","5","2","2","4","5","7","1") = "6"
    & skf21("6","5","2","2","4","6","1","1") = "5"
    & skf21("6","5","2","2","4","6","2","1") = "5"
    & skf21("6","5","2","2","4","6","3","1") = "5"
    & skf21("6","5","2","2","4","6","4","1") = "5"
    & skf21("6","5","2","2","4","6","5","1") = "5"
    & skf21("6","5","2","2","4","6","6","1") = "5"
    & skf21("6","5","2","2","4","6","7","1") = "6"
    & skf21("6","5","2","2","4","7","1","1") = "6"
    & skf21("6","5","2","2","4","7","2","1") = "6"
    & skf21("6","5","2","2","4","7","3","1") = "6"
    & skf21("6","5","2","2","4","7","4","1") = "6"
    & skf21("6","5","2","2","4","7","5","1") = "6"
    & skf21("6","5","2","2","4","7","6","1") = "6"
    & skf21("6","5","2","2","4","7","7","1") = "6"
    & skf21("6","5","2","2","5","1","1","1") = "5"
    & skf21("6","5","2","2","5","1","2","1") = "5"
    & skf21("6","5","2","2","5","1","3","1") = "5"
    & skf21("6","5","2","2","5","1","4","1") = "5"
    & skf21("6","5","2","2","5","1","5","1") = "5"
    & skf21("6","5","2","2","5","1","6","1") = "5"
    & skf21("6","5","2","2","5","1","7","1") = "6"
    & skf21("6","5","2","2","5","2","1","1") = "5"
    & skf21("6","5","2","2","5","2","2","1") = "5"
    & skf21("6","5","2","2","5","2","3","1") = "5"
    & skf21("6","5","2","2","5","2","4","1") = "5"
    & skf21("6","5","2","2","5","2","5","1") = "5"
    & skf21("6","5","2","2","5","2","6","1") = "5"
    & skf21("6","5","2","2","5","2","7","1") = "6"
    & skf21("6","5","2","2","5","3","1","1") = "5"
    & skf21("6","5","2","2","5","3","2","1") = "5"
    & skf21("6","5","2","2","5","3","3","1") = "5"
    & skf21("6","5","2","2","5","3","4","1") = "5"
    & skf21("6","5","2","2","5","3","5","1") = "5"
    & skf21("6","5","2","2","5","3","6","1") = "5"
    & skf21("6","5","2","2","5","3","7","1") = "6"
    & skf21("6","5","2","2","5","4","1","1") = "5"
    & skf21("6","5","2","2","5","4","2","1") = "5"
    & skf21("6","5","2","2","5","4","3","1") = "5"
    & skf21("6","5","2","2","5","4","4","1") = "5"
    & skf21("6","5","2","2","5","4","5","1") = "5"
    & skf21("6","5","2","2","5","4","6","1") = "5"
    & skf21("6","5","2","2","5","4","7","1") = "6"
    & skf21("6","5","2","2","5","5","1","1") = "5"
    & skf21("6","5","2","2","5","5","2","1") = "5"
    & skf21("6","5","2","2","5","5","3","1") = "5"
    & skf21("6","5","2","2","5","5","4","1") = "5"
    & skf21("6","5","2","2","5","5","5","1") = "5"
    & skf21("6","5","2","2","5","5","6","1") = "5"
    & skf21("6","5","2","2","5","5","7","1") = "6"
    & skf21("6","5","2","2","5","6","1","1") = "5"
    & skf21("6","5","2","2","5","6","2","1") = "5"
    & skf21("6","5","2","2","5","6","3","1") = "5"
    & skf21("6","5","2","2","5","6","4","1") = "5"
    & skf21("6","5","2","2","5","6","5","1") = "5"
    & skf21("6","5","2","2","5","6","6","1") = "5"
    & skf21("6","5","2","2","5","6","7","1") = "6"
    & skf21("6","5","2","2","5","7","1","1") = "6"
    & skf21("6","5","2","2","5","7","2","1") = "6"
    & skf21("6","5","2","2","5","7","3","1") = "6"
    & skf21("6","5","2","2","5","7","4","1") = "6"
    & skf21("6","5","2","2","5","7","5","1") = "6"
    & skf21("6","5","2","2","5","7","6","1") = "6"
    & skf21("6","5","2","2","5","7","7","1") = "6"
    & skf21("6","5","2","2","6","1","1","1") = "5"
    & skf21("6","5","2","2","6","1","2","1") = "5"
    & skf21("6","5","2","2","6","1","3","1") = "5"
    & skf21("6","5","2","2","6","1","4","1") = "5"
    & skf21("6","5","2","2","6","1","5","1") = "5"
    & skf21("6","5","2","2","6","1","6","1") = "5"
    & skf21("6","5","2","2","6","1","7","1") = "6"
    & skf21("6","5","2","2","6","2","1","1") = "5"
    & skf21("6","5","2","2","6","2","2","1") = "5"
    & skf21("6","5","2","2","6","2","3","1") = "5"
    & skf21("6","5","2","2","6","2","4","1") = "5"
    & skf21("6","5","2","2","6","2","5","1") = "5"
    & skf21("6","5","2","2","6","2","6","1") = "5"
    & skf21("6","5","2","2","6","2","7","1") = "6"
    & skf21("6","5","2","2","6","3","1","1") = "5"
    & skf21("6","5","2","2","6","3","2","1") = "5"
    & skf21("6","5","2","2","6","3","3","1") = "5"
    & skf21("6","5","2","2","6","3","4","1") = "5"
    & skf21("6","5","2","2","6","3","5","1") = "5"
    & skf21("6","5","2","2","6","3","6","1") = "5"
    & skf21("6","5","2","2","6","3","7","1") = "6"
    & skf21("6","5","2","2","6","4","1","1") = "5"
    & skf21("6","5","2","2","6","4","2","1") = "5"
    & skf21("6","5","2","2","6","4","3","1") = "5"
    & skf21("6","5","2","2","6","4","4","1") = "5"
    & skf21("6","5","2","2","6","4","5","1") = "5"
    & skf21("6","5","2","2","6","4","6","1") = "5"
    & skf21("6","5","2","2","6","4","7","1") = "6"
    & skf21("6","5","2","2","6","5","1","1") = "5"
    & skf21("6","5","2","2","6","5","2","1") = "5"
    & skf21("6","5","2","2","6","5","3","1") = "5"
    & skf21("6","5","2","2","6","5","4","1") = "5"
    & skf21("6","5","2","2","6","5","5","1") = "5"
    & skf21("6","5","2","2","6","5","6","1") = "5"
    & skf21("6","5","2","2","6","5","7","1") = "6"
    & skf21("6","5","2","2","6","6","1","1") = "5"
    & skf21("6","5","2","2","6","6","2","1") = "5"
    & skf21("6","5","2","2","6","6","3","1") = "5"
    & skf21("6","5","2","2","6","6","4","1") = "5"
    & skf21("6","5","2","2","6","6","5","1") = "5"
    & skf21("6","5","2","2","6","6","6","1") = "5"
    & skf21("6","5","2","2","6","6","7","1") = "6"
    & skf21("6","5","2","2","6","7","1","1") = "6"
    & skf21("6","5","2","2","6","7","2","1") = "6"
    & skf21("6","5","2","2","6","7","3","1") = "6"
    & skf21("6","5","2","2","6","7","4","1") = "6"
    & skf21("6","5","2","2","6","7","5","1") = "6"
    & skf21("6","5","2","2","6","7","6","1") = "6"
    & skf21("6","5","2","2","6","7","7","1") = "6"
    & skf21("6","5","2","2","7","1","1","1") = "6"
    & skf21("6","5","2","2","7","1","2","1") = "6"
    & skf21("6","5","2","2","7","1","3","1") = "6"
    & skf21("6","5","2","2","7","1","4","1") = "6"
    & skf21("6","5","2","2","7","1","5","1") = "6"
    & skf21("6","5","2","2","7","1","6","1") = "6"
    & skf21("6","5","2","2","7","1","7","1") = "6"
    & skf21("6","5","2","2","7","2","1","1") = "6"
    & skf21("6","5","2","2","7","2","2","1") = "6"
    & skf21("6","5","2","2","7","2","3","1") = "6"
    & skf21("6","5","2","2","7","2","4","1") = "6"
    & skf21("6","5","2","2","7","2","5","1") = "6"
    & skf21("6","5","2","2","7","2","6","1") = "6"
    & skf21("6","5","2","2","7","2","7","1") = "6"
    & skf21("6","5","2","2","7","3","1","1") = "6"
    & skf21("6","5","2","2","7","3","2","1") = "6"
    & skf21("6","5","2","2","7","3","3","1") = "6"
    & skf21("6","5","2","2","7","3","4","1") = "6"
    & skf21("6","5","2","2","7","3","5","1") = "6"
    & skf21("6","5","2","2","7","3","6","1") = "6"
    & skf21("6","5","2","2","7","3","7","1") = "6"
    & skf21("6","5","2","2","7","4","1","1") = "6"
    & skf21("6","5","2","2","7","4","2","1") = "6"
    & skf21("6","5","2","2","7","4","3","1") = "6"
    & skf21("6","5","2","2","7","4","4","1") = "6"
    & skf21("6","5","2","2","7","4","5","1") = "6"
    & skf21("6","5","2","2","7","4","6","1") = "6"
    & skf21("6","5","2","2","7","4","7","1") = "6"
    & skf21("6","5","2","2","7","5","1","1") = "6"
    & skf21("6","5","2","2","7","5","2","1") = "6"
    & skf21("6","5","2","2","7","5","3","1") = "6"
    & skf21("6","5","2","2","7","5","4","1") = "6"
    & skf21("6","5","2","2","7","5","5","1") = "6"
    & skf21("6","5","2","2","7","5","6","1") = "6"
    & skf21("6","5","2","2","7","5","7","1") = "6"
    & skf21("6","5","2","2","7","6","1","1") = "6"
    & skf21("6","5","2","2","7","6","2","1") = "6"
    & skf21("6","5","2","2","7","6","3","1") = "6"
    & skf21("6","5","2","2","7","6","4","1") = "6"
    & skf21("6","5","2","2","7","6","5","1") = "6"
    & skf21("6","5","2","2","7","6","6","1") = "6"
    & skf21("6","5","2","2","7","6","7","1") = "6"
    & skf21("6","5","2","2","7","7","1","1") = "6"
    & skf21("6","5","2","2","7","7","2","1") = "6"
    & skf21("6","5","2","2","7","7","3","1") = "6"
    & skf21("6","5","2","2","7","7","4","1") = "6"
    & skf21("6","5","2","2","7","7","5","1") = "6"
    & skf21("6","5","2","2","7","7","6","1") = "6"
    & skf21("6","5","2","2","7","7","7","1") = "6"
    & skf21("6","5","2","3","1","1","1","1") = "5"
    & skf21("6","5","2","3","1","1","2","1") = "5"
    & skf21("6","5","2","3","1","1","3","1") = "5"
    & skf21("6","5","2","3","1","1","4","1") = "5"
    & skf21("6","5","2","3","1","1","5","1") = "5"
    & skf21("6","5","2","3","1","1","6","1") = "5"
    & skf21("6","5","2","3","1","1","7","1") = "6"
    & skf21("6","5","2","3","1","2","1","1") = "5"
    & skf21("6","5","2","3","1","2","2","1") = "5"
    & skf21("6","5","2","3","1","2","3","1") = "5"
    & skf21("6","5","2","3","1","2","4","1") = "5"
    & skf21("6","5","2","3","1","2","5","1") = "5"
    & skf21("6","5","2","3","1","2","6","1") = "5"
    & skf21("6","5","2","3","1","2","7","1") = "6"
    & skf21("6","5","2","3","1","3","1","1") = "5"
    & skf21("6","5","2","3","1","3","2","1") = "5"
    & skf21("6","5","2","3","1","3","3","1") = "5"
    & skf21("6","5","2","3","1","3","4","1") = "5"
    & skf21("6","5","2","3","1","3","5","1") = "5"
    & skf21("6","5","2","3","1","3","6","1") = "5"
    & skf21("6","5","2","3","1","3","7","1") = "6"
    & skf21("6","5","2","3","1","4","1","1") = "5"
    & skf21("6","5","2","3","1","4","2","1") = "5"
    & skf21("6","5","2","3","1","4","3","1") = "5"
    & skf21("6","5","2","3","1","4","4","1") = "5"
    & skf21("6","5","2","3","1","4","5","1") = "5"
    & skf21("6","5","2","3","1","4","6","1") = "5"
    & skf21("6","5","2","3","1","4","7","1") = "6"
    & skf21("6","5","2","3","1","5","1","1") = "5"
    & skf21("6","5","2","3","1","5","2","1") = "5"
    & skf21("6","5","2","3","1","5","3","1") = "5"
    & skf21("6","5","2","3","1","5","4","1") = "5"
    & skf21("6","5","2","3","1","5","5","1") = "5"
    & skf21("6","5","2","3","1","5","6","1") = "5"
    & skf21("6","5","2","3","1","5","7","1") = "6"
    & skf21("6","5","2","3","1","6","1","1") = "5"
    & skf21("6","5","2","3","1","6","2","1") = "5"
    & skf21("6","5","2","3","1","6","3","1") = "5"
    & skf21("6","5","2","3","1","6","4","1") = "5"
    & skf21("6","5","2","3","1","6","5","1") = "5"
    & skf21("6","5","2","3","1","6","6","1") = "5"
    & skf21("6","5","2","3","1","6","7","1") = "6"
    & skf21("6","5","2","3","1","7","1","1") = "6"
    & skf21("6","5","2","3","1","7","2","1") = "6"
    & skf21("6","5","2","3","1","7","3","1") = "6"
    & skf21("6","5","2","3","1","7","4","1") = "6"
    & skf21("6","5","2","3","1","7","5","1") = "6"
    & skf21("6","5","2","3","1","7","6","1") = "6"
    & skf21("6","5","2","3","1","7","7","1") = "6"
    & skf21("6","5","2","3","2","1","1","1") = "5"
    & skf21("6","5","2","3","2","1","2","1") = "5"
    & skf21("6","5","2","3","2","1","3","1") = "5"
    & skf21("6","5","2","3","2","1","4","1") = "5"
    & skf21("6","5","2","3","2","1","5","1") = "5"
    & skf21("6","5","2","3","2","1","6","1") = "5"
    & skf21("6","5","2","3","2","1","7","1") = "6"
    & skf21("6","5","2","3","2","2","1","1") = "5"
    & skf21("6","5","2","3","2","2","2","1") = "5"
    & skf21("6","5","2","3","2","2","3","1") = "5"
    & skf21("6","5","2","3","2","2","4","1") = "5"
    & skf21("6","5","2","3","2","2","5","1") = "5"
    & skf21("6","5","2","3","2","2","6","1") = "5"
    & skf21("6","5","2","3","2","2","7","1") = "6"
    & skf21("6","5","2","3","2","3","1","1") = "5"
    & skf21("6","5","2","3","2","3","2","1") = "5"
    & skf21("6","5","2","3","2","3","3","1") = "5"
    & skf21("6","5","2","3","2","3","4","1") = "5"
    & skf21("6","5","2","3","2","3","5","1") = "5"
    & skf21("6","5","2","3","2","3","6","1") = "5"
    & skf21("6","5","2","3","2","3","7","1") = "6"
    & skf21("6","5","2","3","2","4","1","1") = "5"
    & skf21("6","5","2","3","2","4","2","1") = "5"
    & skf21("6","5","2","3","2","4","3","1") = "5"
    & skf21("6","5","2","3","2","4","4","1") = "5"
    & skf21("6","5","2","3","2","4","5","1") = "5"
    & skf21("6","5","2","3","2","4","6","1") = "5"
    & skf21("6","5","2","3","2","4","7","1") = "6"
    & skf21("6","5","2","3","2","5","1","1") = "5"
    & skf21("6","5","2","3","2","5","2","1") = "5"
    & skf21("6","5","2","3","2","5","3","1") = "5"
    & skf21("6","5","2","3","2","5","4","1") = "5"
    & skf21("6","5","2","3","2","5","5","1") = "5"
    & skf21("6","5","2","3","2","5","6","1") = "5"
    & skf21("6","5","2","3","2","5","7","1") = "6"
    & skf21("6","5","2","3","2","6","1","1") = "5"
    & skf21("6","5","2","3","2","6","2","1") = "5"
    & skf21("6","5","2","3","2","6","3","1") = "5"
    & skf21("6","5","2","3","2","6","4","1") = "5"
    & skf21("6","5","2","3","2","6","5","1") = "5"
    & skf21("6","5","2","3","2","6","6","1") = "5"
    & skf21("6","5","2","3","2","6","7","1") = "6"
    & skf21("6","5","2","3","2","7","1","1") = "6"
    & skf21("6","5","2","3","2","7","2","1") = "6"
    & skf21("6","5","2","3","2","7","3","1") = "6"
    & skf21("6","5","2","3","2","7","4","1") = "6"
    & skf21("6","5","2","3","2","7","5","1") = "6"
    & skf21("6","5","2","3","2","7","6","1") = "6"
    & skf21("6","5","2","3","2","7","7","1") = "6"
    & skf21("6","5","2","3","3","1","1","1") = "5"
    & skf21("6","5","2","3","3","1","2","1") = "5"
    & skf21("6","5","2","3","3","1","3","1") = "5"
    & skf21("6","5","2","3","3","1","4","1") = "5"
    & skf21("6","5","2","3","3","1","5","1") = "5"
    & skf21("6","5","2","3","3","1","6","1") = "5"
    & skf21("6","5","2","3","3","1","7","1") = "6"
    & skf21("6","5","2","3","3","2","1","1") = "5"
    & skf21("6","5","2","3","3","2","2","1") = "5"
    & skf21("6","5","2","3","3","2","3","1") = "5"
    & skf21("6","5","2","3","3","2","4","1") = "5"
    & skf21("6","5","2","3","3","2","5","1") = "5"
    & skf21("6","5","2","3","3","2","6","1") = "5"
    & skf21("6","5","2","3","3","2","7","1") = "6"
    & skf21("6","5","2","3","3","3","1","1") = "5"
    & skf21("6","5","2","3","3","3","2","1") = "5"
    & skf21("6","5","2","3","3","3","3","1") = "5"
    & skf21("6","5","2","3","3","3","4","1") = "5"
    & skf21("6","5","2","3","3","3","5","1") = "5"
    & skf21("6","5","2","3","3","3","6","1") = "5"
    & skf21("6","5","2","3","3","3","7","1") = "6"
    & skf21("6","5","2","3","3","4","1","1") = "5"
    & skf21("6","5","2","3","3","4","2","1") = "5"
    & skf21("6","5","2","3","3","4","3","1") = "5"
    & skf21("6","5","2","3","3","4","4","1") = "5"
    & skf21("6","5","2","3","3","4","5","1") = "5"
    & skf21("6","5","2","3","3","4","6","1") = "5"
    & skf21("6","5","2","3","3","4","7","1") = "6"
    & skf21("6","5","2","3","3","5","1","1") = "5"
    & skf21("6","5","2","3","3","5","2","1") = "5"
    & skf21("6","5","2","3","3","5","3","1") = "5"
    & skf21("6","5","2","3","3","5","4","1") = "5"
    & skf21("6","5","2","3","3","5","5","1") = "5"
    & skf21("6","5","2","3","3","5","6","1") = "5"
    & skf21("6","5","2","3","3","5","7","1") = "6"
    & skf21("6","5","2","3","3","6","1","1") = "5"
    & skf21("6","5","2","3","3","6","2","1") = "5"
    & skf21("6","5","2","3","3","6","3","1") = "5"
    & skf21("6","5","2","3","3","6","4","1") = "5"
    & skf21("6","5","2","3","3","6","5","1") = "5"
    & skf21("6","5","2","3","3","6","6","1") = "5"
    & skf21("6","5","2","3","3","6","7","1") = "6"
    & skf21("6","5","2","3","3","7","1","1") = "6"
    & skf21("6","5","2","3","3","7","2","1") = "6"
    & skf21("6","5","2","3","3","7","3","1") = "6"
    & skf21("6","5","2","3","3","7","4","1") = "6"
    & skf21("6","5","2","3","3","7","5","1") = "6"
    & skf21("6","5","2","3","3","7","6","1") = "6"
    & skf21("6","5","2","3","3","7","7","1") = "6"
    & skf21("6","5","2","3","4","1","1","1") = "5"
    & skf21("6","5","2","3","4","1","2","1") = "5"
    & skf21("6","5","2","3","4","1","3","1") = "5"
    & skf21("6","5","2","3","4","1","4","1") = "5"
    & skf21("6","5","2","3","4","1","5","1") = "5"
    & skf21("6","5","2","3","4","1","6","1") = "5"
    & skf21("6","5","2","3","4","1","7","1") = "6"
    & skf21("6","5","2","3","4","2","1","1") = "5"
    & skf21("6","5","2","3","4","2","2","1") = "5"
    & skf21("6","5","2","3","4","2","3","1") = "5"
    & skf21("6","5","2","3","4","2","4","1") = "5"
    & skf21("6","5","2","3","4","2","5","1") = "5"
    & skf21("6","5","2","3","4","2","6","1") = "5"
    & skf21("6","5","2","3","4","2","7","1") = "6"
    & skf21("6","5","2","3","4","3","1","1") = "5"
    & skf21("6","5","2","3","4","3","2","1") = "5"
    & skf21("6","5","2","3","4","3","3","1") = "5"
    & skf21("6","5","2","3","4","3","4","1") = "5"
    & skf21("6","5","2","3","4","3","5","1") = "5"
    & skf21("6","5","2","3","4","3","6","1") = "5"
    & skf21("6","5","2","3","4","3","7","1") = "6"
    & skf21("6","5","2","3","4","4","1","1") = "5"
    & skf21("6","5","2","3","4","4","2","1") = "5"
    & skf21("6","5","2","3","4","4","3","1") = "5"
    & skf21("6","5","2","3","4","4","4","1") = "5"
    & skf21("6","5","2","3","4","4","5","1") = "5"
    & skf21("6","5","2","3","4","4","6","1") = "5"
    & skf21("6","5","2","3","4","4","7","1") = "6"
    & skf21("6","5","2","3","4","5","1","1") = "5"
    & skf21("6","5","2","3","4","5","2","1") = "5"
    & skf21("6","5","2","3","4","5","3","1") = "5"
    & skf21("6","5","2","3","4","5","4","1") = "5"
    & skf21("6","5","2","3","4","5","5","1") = "5"
    & skf21("6","5","2","3","4","5","6","1") = "5"
    & skf21("6","5","2","3","4","5","7","1") = "6"
    & skf21("6","5","2","3","4","6","1","1") = "5"
    & skf21("6","5","2","3","4","6","2","1") = "5"
    & skf21("6","5","2","3","4","6","3","1") = "5"
    & skf21("6","5","2","3","4","6","4","1") = "5"
    & skf21("6","5","2","3","4","6","5","1") = "5"
    & skf21("6","5","2","3","4","6","6","1") = "5"
    & skf21("6","5","2","3","4","6","7","1") = "6"
    & skf21("6","5","2","3","4","7","1","1") = "6"
    & skf21("6","5","2","3","4","7","2","1") = "6"
    & skf21("6","5","2","3","4","7","3","1") = "6"
    & skf21("6","5","2","3","4","7","4","1") = "6"
    & skf21("6","5","2","3","4","7","5","1") = "6"
    & skf21("6","5","2","3","4","7","6","1") = "6"
    & skf21("6","5","2","3","4","7","7","1") = "6"
    & skf21("6","5","2","3","5","1","1","1") = "5"
    & skf21("6","5","2","3","5","1","2","1") = "5"
    & skf21("6","5","2","3","5","1","3","1") = "5"
    & skf21("6","5","2","3","5","1","4","1") = "5"
    & skf21("6","5","2","3","5","1","5","1") = "5"
    & skf21("6","5","2","3","5","1","6","1") = "5"
    & skf21("6","5","2","3","5","1","7","1") = "6"
    & skf21("6","5","2","3","5","2","1","1") = "5"
    & skf21("6","5","2","3","5","2","2","1") = "5"
    & skf21("6","5","2","3","5","2","3","1") = "5"
    & skf21("6","5","2","3","5","2","4","1") = "5"
    & skf21("6","5","2","3","5","2","5","1") = "5"
    & skf21("6","5","2","3","5","2","6","1") = "5"
    & skf21("6","5","2","3","5","2","7","1") = "6"
    & skf21("6","5","2","3","5","3","1","1") = "5"
    & skf21("6","5","2","3","5","3","2","1") = "5"
    & skf21("6","5","2","3","5","3","3","1") = "5"
    & skf21("6","5","2","3","5","3","4","1") = "5"
    & skf21("6","5","2","3","5","3","5","1") = "5"
    & skf21("6","5","2","3","5","3","6","1") = "5"
    & skf21("6","5","2","3","5","3","7","1") = "6"
    & skf21("6","5","2","3","5","4","1","1") = "5"
    & skf21("6","5","2","3","5","4","2","1") = "5"
    & skf21("6","5","2","3","5","4","3","1") = "5"
    & skf21("6","5","2","3","5","4","4","1") = "5"
    & skf21("6","5","2","3","5","4","5","1") = "5"
    & skf21("6","5","2","3","5","4","6","1") = "5"
    & skf21("6","5","2","3","5","4","7","1") = "6"
    & skf21("6","5","2","3","5","5","1","1") = "5"
    & skf21("6","5","2","3","5","5","2","1") = "5"
    & skf21("6","5","2","3","5","5","3","1") = "5"
    & skf21("6","5","2","3","5","5","4","1") = "5"
    & skf21("6","5","2","3","5","5","5","1") = "5"
    & skf21("6","5","2","3","5","5","6","1") = "5"
    & skf21("6","5","2","3","5","5","7","1") = "6"
    & skf21("6","5","2","3","5","6","1","1") = "5"
    & skf21("6","5","2","3","5","6","2","1") = "5"
    & skf21("6","5","2","3","5","6","3","1") = "5"
    & skf21("6","5","2","3","5","6","4","1") = "5"
    & skf21("6","5","2","3","5","6","5","1") = "5"
    & skf21("6","5","2","3","5","6","6","1") = "5"
    & skf21("6","5","2","3","5","6","7","1") = "6"
    & skf21("6","5","2","3","5","7","1","1") = "6"
    & skf21("6","5","2","3","5","7","2","1") = "6"
    & skf21("6","5","2","3","5","7","3","1") = "6"
    & skf21("6","5","2","3","5","7","4","1") = "6"
    & skf21("6","5","2","3","5","7","5","1") = "6"
    & skf21("6","5","2","3","5","7","6","1") = "6"
    & skf21("6","5","2","3","5","7","7","1") = "6"
    & skf21("6","5","2","3","6","1","1","1") = "5"
    & skf21("6","5","2","3","6","1","2","1") = "5"
    & skf21("6","5","2","3","6","1","3","1") = "5"
    & skf21("6","5","2","3","6","1","4","1") = "5"
    & skf21("6","5","2","3","6","1","5","1") = "5"
    & skf21("6","5","2","3","6","1","6","1") = "5"
    & skf21("6","5","2","3","6","1","7","1") = "6"
    & skf21("6","5","2","3","6","2","1","1") = "5"
    & skf21("6","5","2","3","6","2","2","1") = "5"
    & skf21("6","5","2","3","6","2","3","1") = "5"
    & skf21("6","5","2","3","6","2","4","1") = "5"
    & skf21("6","5","2","3","6","2","5","1") = "5"
    & skf21("6","5","2","3","6","2","6","1") = "5"
    & skf21("6","5","2","3","6","2","7","1") = "6"
    & skf21("6","5","2","3","6","3","1","1") = "5"
    & skf21("6","5","2","3","6","3","2","1") = "5"
    & skf21("6","5","2","3","6","3","3","1") = "5"
    & skf21("6","5","2","3","6","3","4","1") = "5"
    & skf21("6","5","2","3","6","3","5","1") = "5"
    & skf21("6","5","2","3","6","3","6","1") = "5"
    & skf21("6","5","2","3","6","3","7","1") = "6"
    & skf21("6","5","2","3","6","4","1","1") = "5"
    & skf21("6","5","2","3","6","4","2","1") = "5"
    & skf21("6","5","2","3","6","4","3","1") = "5"
    & skf21("6","5","2","3","6","4","4","1") = "5"
    & skf21("6","5","2","3","6","4","5","1") = "5"
    & skf21("6","5","2","3","6","4","6","1") = "5"
    & skf21("6","5","2","3","6","4","7","1") = "6"
    & skf21("6","5","2","3","6","5","1","1") = "5"
    & skf21("6","5","2","3","6","5","2","1") = "5"
    & skf21("6","5","2","3","6","5","3","1") = "5"
    & skf21("6","5","2","3","6","5","4","1") = "5"
    & skf21("6","5","2","3","6","5","5","1") = "5"
    & skf21("6","5","2","3","6","5","6","1") = "5"
    & skf21("6","5","2","3","6","5","7","1") = "6"
    & skf21("6","5","2","3","6","6","1","1") = "5"
    & skf21("6","5","2","3","6","6","2","1") = "5"
    & skf21("6","5","2","3","6","6","3","1") = "5"
    & skf21("6","5","2","3","6","6","4","1") = "5"
    & skf21("6","5","2","3","6","6","5","1") = "5"
    & skf21("6","5","2","3","6","6","6","1") = "5"
    & skf21("6","5","2","3","6","6","7","1") = "6"
    & skf21("6","5","2","3","6","7","1","1") = "6"
    & skf21("6","5","2","3","6","7","2","1") = "6"
    & skf21("6","5","2","3","6","7","3","1") = "6"
    & skf21("6","5","2","3","6","7","4","1") = "6"
    & skf21("6","5","2","3","6","7","5","1") = "6"
    & skf21("6","5","2","3","6","7","6","1") = "6"
    & skf21("6","5","2","3","6","7","7","1") = "6"
    & skf21("6","5","2","3","7","1","1","1") = "6"
    & skf21("6","5","2","3","7","1","2","1") = "6"
    & skf21("6","5","2","3","7","1","3","1") = "6"
    & skf21("6","5","2","3","7","1","4","1") = "6"
    & skf21("6","5","2","3","7","1","5","1") = "6"
    & skf21("6","5","2","3","7","1","6","1") = "6"
    & skf21("6","5","2","3","7","1","7","1") = "6"
    & skf21("6","5","2","3","7","2","1","1") = "6"
    & skf21("6","5","2","3","7","2","2","1") = "6"
    & skf21("6","5","2","3","7","2","3","1") = "6"
    & skf21("6","5","2","3","7","2","4","1") = "6"
    & skf21("6","5","2","3","7","2","5","1") = "6"
    & skf21("6","5","2","3","7","2","6","1") = "6"
    & skf21("6","5","2","3","7","2","7","1") = "6"
    & skf21("6","5","2","3","7","3","1","1") = "6"
    & skf21("6","5","2","3","7","3","2","1") = "6"
    & skf21("6","5","2","3","7","3","3","1") = "6"
    & skf21("6","5","2","3","7","3","4","1") = "6"
    & skf21("6","5","2","3","7","3","5","1") = "6"
    & skf21("6","5","2","3","7","3","6","1") = "6"
    & skf21("6","5","2","3","7","3","7","1") = "6"
    & skf21("6","5","2","3","7","4","1","1") = "6"
    & skf21("6","5","2","3","7","4","2","1") = "6"
    & skf21("6","5","2","3","7","4","3","1") = "6"
    & skf21("6","5","2","3","7","4","4","1") = "6"
    & skf21("6","5","2","3","7","4","5","1") = "6"
    & skf21("6","5","2","3","7","4","6","1") = "6"
    & skf21("6","5","2","3","7","4","7","1") = "6"
    & skf21("6","5","2","3","7","5","1","1") = "6"
    & skf21("6","5","2","3","7","5","2","1") = "6"
    & skf21("6","5","2","3","7","5","3","1") = "6"
    & skf21("6","5","2","3","7","5","4","1") = "6"
    & skf21("6","5","2","3","7","5","5","1") = "6"
    & skf21("6","5","2","3","7","5","6","1") = "6"
    & skf21("6","5","2","3","7","5","7","1") = "6"
    & skf21("6","5","2","3","7","6","1","1") = "6"
    & skf21("6","5","2","3","7","6","2","1") = "6"
    & skf21("6","5","2","3","7","6","3","1") = "6"
    & skf21("6","5","2","3","7","6","4","1") = "6"
    & skf21("6","5","2","3","7","6","5","1") = "6"
    & skf21("6","5","2","3","7","6","6","1") = "6"
    & skf21("6","5","2","3","7","6","7","1") = "6"
    & skf21("6","5","2","3","7","7","1","1") = "6"
    & skf21("6","5","2","3","7","7","2","1") = "6"
    & skf21("6","5","2","3","7","7","3","1") = "6"
    & skf21("6","5","2","3","7","7","4","1") = "6"
    & skf21("6","5","2","3","7","7","5","1") = "6"
    & skf21("6","5","2","3","7","7","6","1") = "6"
    & skf21("6","5","2","3","7","7","7","1") = "6"
    & skf21("6","5","2","4","1","1","1","1") = "5"
    & skf21("6","5","2","4","1","1","2","1") = "5"
    & skf21("6","5","2","4","1","1","3","1") = "5"
    & skf21("6","5","2","4","1","1","4","1") = "5"
    & skf21("6","5","2","4","1","1","5","1") = "5"
    & skf21("6","5","2","4","1","1","6","1") = "5"
    & skf21("6","5","2","4","1","1","7","1") = "6"
    & skf21("6","5","2","4","1","2","1","1") = "5"
    & skf21("6","5","2","4","1","2","2","1") = "5"
    & skf21("6","5","2","4","1","2","3","1") = "5"
    & skf21("6","5","2","4","1","2","4","1") = "5"
    & skf21("6","5","2","4","1","2","5","1") = "5"
    & skf21("6","5","2","4","1","2","6","1") = "5"
    & skf21("6","5","2","4","1","2","7","1") = "6"
    & skf21("6","5","2","4","1","3","1","1") = "5"
    & skf21("6","5","2","4","1","3","2","1") = "5"
    & skf21("6","5","2","4","1","3","3","1") = "5"
    & skf21("6","5","2","4","1","3","4","1") = "5"
    & skf21("6","5","2","4","1","3","5","1") = "5"
    & skf21("6","5","2","4","1","3","6","1") = "5"
    & skf21("6","5","2","4","1","3","7","1") = "6"
    & skf21("6","5","2","4","1","4","1","1") = "5"
    & skf21("6","5","2","4","1","4","2","1") = "5"
    & skf21("6","5","2","4","1","4","3","1") = "5"
    & skf21("6","5","2","4","1","4","4","1") = "5"
    & skf21("6","5","2","4","1","4","5","1") = "5"
    & skf21("6","5","2","4","1","4","6","1") = "5"
    & skf21("6","5","2","4","1","4","7","1") = "6"
    & skf21("6","5","2","4","1","5","1","1") = "5"
    & skf21("6","5","2","4","1","5","2","1") = "5"
    & skf21("6","5","2","4","1","5","3","1") = "5"
    & skf21("6","5","2","4","1","5","4","1") = "5"
    & skf21("6","5","2","4","1","5","5","1") = "5"
    & skf21("6","5","2","4","1","5","6","1") = "5"
    & skf21("6","5","2","4","1","5","7","1") = "6"
    & skf21("6","5","2","4","1","6","1","1") = "5"
    & skf21("6","5","2","4","1","6","2","1") = "5"
    & skf21("6","5","2","4","1","6","3","1") = "5"
    & skf21("6","5","2","4","1","6","4","1") = "5"
    & skf21("6","5","2","4","1","6","5","1") = "5"
    & skf21("6","5","2","4","1","6","6","1") = "5"
    & skf21("6","5","2","4","1","6","7","1") = "6"
    & skf21("6","5","2","4","1","7","1","1") = "6"
    & skf21("6","5","2","4","1","7","2","1") = "6"
    & skf21("6","5","2","4","1","7","3","1") = "6"
    & skf21("6","5","2","4","1","7","4","1") = "6"
    & skf21("6","5","2","4","1","7","5","1") = "6"
    & skf21("6","5","2","4","1","7","6","1") = "6"
    & skf21("6","5","2","4","1","7","7","1") = "6"
    & skf21("6","5","2","4","2","1","1","1") = "5"
    & skf21("6","5","2","4","2","1","2","1") = "5"
    & skf21("6","5","2","4","2","1","3","1") = "5"
    & skf21("6","5","2","4","2","1","4","1") = "5"
    & skf21("6","5","2","4","2","1","5","1") = "5"
    & skf21("6","5","2","4","2","1","6","1") = "5"
    & skf21("6","5","2","4","2","1","7","1") = "6"
    & skf21("6","5","2","4","2","2","1","1") = "5"
    & skf21("6","5","2","4","2","2","2","1") = "5"
    & skf21("6","5","2","4","2","2","3","1") = "5"
    & skf21("6","5","2","4","2","2","4","1") = "5"
    & skf21("6","5","2","4","2","2","5","1") = "5"
    & skf21("6","5","2","4","2","2","6","1") = "5"
    & skf21("6","5","2","4","2","2","7","1") = "6"
    & skf21("6","5","2","4","2","3","1","1") = "5"
    & skf21("6","5","2","4","2","3","2","1") = "5"
    & skf21("6","5","2","4","2","3","3","1") = "5"
    & skf21("6","5","2","4","2","3","4","1") = "5"
    & skf21("6","5","2","4","2","3","5","1") = "5"
    & skf21("6","5","2","4","2","3","6","1") = "5"
    & skf21("6","5","2","4","2","3","7","1") = "6"
    & skf21("6","5","2","4","2","4","1","1") = "5"
    & skf21("6","5","2","4","2","4","2","1") = "5"
    & skf21("6","5","2","4","2","4","3","1") = "5"
    & skf21("6","5","2","4","2","4","4","1") = "5"
    & skf21("6","5","2","4","2","4","5","1") = "5"
    & skf21("6","5","2","4","2","4","6","1") = "5"
    & skf21("6","5","2","4","2","4","7","1") = "6"
    & skf21("6","5","2","4","2","5","1","1") = "5"
    & skf21("6","5","2","4","2","5","2","1") = "5"
    & skf21("6","5","2","4","2","5","3","1") = "5"
    & skf21("6","5","2","4","2","5","4","1") = "5"
    & skf21("6","5","2","4","2","5","5","1") = "5"
    & skf21("6","5","2","4","2","5","6","1") = "5"
    & skf21("6","5","2","4","2","5","7","1") = "6"
    & skf21("6","5","2","4","2","6","1","1") = "5"
    & skf21("6","5","2","4","2","6","2","1") = "5"
    & skf21("6","5","2","4","2","6","3","1") = "5"
    & skf21("6","5","2","4","2","6","4","1") = "5"
    & skf21("6","5","2","4","2","6","5","1") = "5"
    & skf21("6","5","2","4","2","6","6","1") = "5"
    & skf21("6","5","2","4","2","6","7","1") = "6"
    & skf21("6","5","2","4","2","7","1","1") = "6"
    & skf21("6","5","2","4","2","7","2","1") = "6"
    & skf21("6","5","2","4","2","7","3","1") = "6"
    & skf21("6","5","2","4","2","7","4","1") = "6"
    & skf21("6","5","2","4","2","7","5","1") = "6"
    & skf21("6","5","2","4","2","7","6","1") = "6"
    & skf21("6","5","2","4","2","7","7","1") = "6"
    & skf21("6","5","2","4","3","1","1","1") = "5"
    & skf21("6","5","2","4","3","1","2","1") = "5"
    & skf21("6","5","2","4","3","1","3","1") = "5"
    & skf21("6","5","2","4","3","1","4","1") = "5"
    & skf21("6","5","2","4","3","1","5","1") = "5"
    & skf21("6","5","2","4","3","1","6","1") = "5"
    & skf21("6","5","2","4","3","1","7","1") = "6"
    & skf21("6","5","2","4","3","2","1","1") = "5"
    & skf21("6","5","2","4","3","2","2","1") = "5"
    & skf21("6","5","2","4","3","2","3","1") = "5"
    & skf21("6","5","2","4","3","2","4","1") = "5"
    & skf21("6","5","2","4","3","2","5","1") = "5"
    & skf21("6","5","2","4","3","2","6","1") = "5"
    & skf21("6","5","2","4","3","2","7","1") = "6"
    & skf21("6","5","2","4","3","3","1","1") = "5"
    & skf21("6","5","2","4","3","3","2","1") = "5"
    & skf21("6","5","2","4","3","3","3","1") = "5"
    & skf21("6","5","2","4","3","3","4","1") = "5"
    & skf21("6","5","2","4","3","3","5","1") = "5"
    & skf21("6","5","2","4","3","3","6","1") = "5"
    & skf21("6","5","2","4","3","3","7","1") = "6"
    & skf21("6","5","2","4","3","4","1","1") = "5"
    & skf21("6","5","2","4","3","4","2","1") = "5"
    & skf21("6","5","2","4","3","4","3","1") = "5"
    & skf21("6","5","2","4","3","4","4","1") = "5"
    & skf21("6","5","2","4","3","4","5","1") = "5"
    & skf21("6","5","2","4","3","4","6","1") = "5"
    & skf21("6","5","2","4","3","4","7","1") = "6"
    & skf21("6","5","2","4","3","5","1","1") = "5"
    & skf21("6","5","2","4","3","5","2","1") = "5"
    & skf21("6","5","2","4","3","5","3","1") = "5"
    & skf21("6","5","2","4","3","5","4","1") = "5"
    & skf21("6","5","2","4","3","5","5","1") = "5"
    & skf21("6","5","2","4","3","5","6","1") = "5"
    & skf21("6","5","2","4","3","5","7","1") = "6"
    & skf21("6","5","2","4","3","6","1","1") = "5"
    & skf21("6","5","2","4","3","6","2","1") = "5"
    & skf21("6","5","2","4","3","6","3","1") = "5"
    & skf21("6","5","2","4","3","6","4","1") = "5"
    & skf21("6","5","2","4","3","6","5","1") = "5"
    & skf21("6","5","2","4","3","6","6","1") = "5"
    & skf21("6","5","2","4","3","6","7","1") = "6"
    & skf21("6","5","2","4","3","7","1","1") = "6"
    & skf21("6","5","2","4","3","7","2","1") = "6"
    & skf21("6","5","2","4","3","7","3","1") = "6"
    & skf21("6","5","2","4","3","7","4","1") = "6"
    & skf21("6","5","2","4","3","7","5","1") = "6"
    & skf21("6","5","2","4","3","7","6","1") = "6"
    & skf21("6","5","2","4","3","7","7","1") = "6"
    & skf21("6","5","2","4","4","1","1","1") = "5"
    & skf21("6","5","2","4","4","1","2","1") = "5"
    & skf21("6","5","2","4","4","1","3","1") = "5"
    & skf21("6","5","2","4","4","1","4","1") = "5"
    & skf21("6","5","2","4","4","1","5","1") = "5"
    & skf21("6","5","2","4","4","1","6","1") = "5"
    & skf21("6","5","2","4","4","1","7","1") = "6"
    & skf21("6","5","2","4","4","2","1","1") = "5"
    & skf21("6","5","2","4","4","2","2","1") = "5"
    & skf21("6","5","2","4","4","2","3","1") = "5"
    & skf21("6","5","2","4","4","2","4","1") = "5"
    & skf21("6","5","2","4","4","2","5","1") = "5"
    & skf21("6","5","2","4","4","2","6","1") = "5"
    & skf21("6","5","2","4","4","2","7","1") = "6"
    & skf21("6","5","2","4","4","3","1","1") = "5"
    & skf21("6","5","2","4","4","3","2","1") = "5"
    & skf21("6","5","2","4","4","3","3","1") = "5"
    & skf21("6","5","2","4","4","3","4","1") = "5"
    & skf21("6","5","2","4","4","3","5","1") = "5"
    & skf21("6","5","2","4","4","3","6","1") = "5"
    & skf21("6","5","2","4","4","3","7","1") = "6"
    & skf21("6","5","2","4","4","4","1","1") = "5"
    & skf21("6","5","2","4","4","4","2","1") = "5"
    & skf21("6","5","2","4","4","4","3","1") = "5"
    & skf21("6","5","2","4","4","4","4","1") = "5"
    & skf21("6","5","2","4","4","4","5","1") = "5"
    & skf21("6","5","2","4","4","4","6","1") = "5"
    & skf21("6","5","2","4","4","4","7","1") = "6"
    & skf21("6","5","2","4","4","5","1","1") = "5"
    & skf21("6","5","2","4","4","5","2","1") = "5"
    & skf21("6","5","2","4","4","5","3","1") = "5"
    & skf21("6","5","2","4","4","5","4","1") = "5"
    & skf21("6","5","2","4","4","5","5","1") = "5"
    & skf21("6","5","2","4","4","5","6","1") = "5"
    & skf21("6","5","2","4","4","5","7","1") = "6"
    & skf21("6","5","2","4","4","6","1","1") = "5"
    & skf21("6","5","2","4","4","6","2","1") = "5"
    & skf21("6","5","2","4","4","6","3","1") = "5"
    & skf21("6","5","2","4","4","6","4","1") = "5"
    & skf21("6","5","2","4","4","6","5","1") = "5"
    & skf21("6","5","2","4","4","6","6","1") = "5"
    & skf21("6","5","2","4","4","6","7","1") = "6"
    & skf21("6","5","2","4","4","7","1","1") = "6"
    & skf21("6","5","2","4","4","7","2","1") = "6"
    & skf21("6","5","2","4","4","7","3","1") = "6"
    & skf21("6","5","2","4","4","7","4","1") = "6"
    & skf21("6","5","2","4","4","7","5","1") = "6"
    & skf21("6","5","2","4","4","7","6","1") = "6"
    & skf21("6","5","2","4","4","7","7","1") = "6"
    & skf21("6","5","2","4","5","1","1","1") = "5"
    & skf21("6","5","2","4","5","1","2","1") = "5"
    & skf21("6","5","2","4","5","1","3","1") = "5"
    & skf21("6","5","2","4","5","1","4","1") = "5"
    & skf21("6","5","2","4","5","1","5","1") = "5"
    & skf21("6","5","2","4","5","1","6","1") = "5"
    & skf21("6","5","2","4","5","1","7","1") = "6"
    & skf21("6","5","2","4","5","2","1","1") = "5"
    & skf21("6","5","2","4","5","2","2","1") = "5"
    & skf21("6","5","2","4","5","2","3","1") = "5"
    & skf21("6","5","2","4","5","2","4","1") = "5"
    & skf21("6","5","2","4","5","2","5","1") = "5"
    & skf21("6","5","2","4","5","2","6","1") = "5"
    & skf21("6","5","2","4","5","2","7","1") = "6"
    & skf21("6","5","2","4","5","3","1","1") = "5"
    & skf21("6","5","2","4","5","3","2","1") = "5"
    & skf21("6","5","2","4","5","3","3","1") = "5"
    & skf21("6","5","2","4","5","3","4","1") = "5"
    & skf21("6","5","2","4","5","3","5","1") = "5"
    & skf21("6","5","2","4","5","3","6","1") = "5"
    & skf21("6","5","2","4","5","3","7","1") = "6"
    & skf21("6","5","2","4","5","4","1","1") = "5"
    & skf21("6","5","2","4","5","4","2","1") = "5"
    & skf21("6","5","2","4","5","4","3","1") = "5"
    & skf21("6","5","2","4","5","4","4","1") = "5"
    & skf21("6","5","2","4","5","4","5","1") = "5"
    & skf21("6","5","2","4","5","4","6","1") = "5"
    & skf21("6","5","2","4","5","4","7","1") = "6"
    & skf21("6","5","2","4","5","5","1","1") = "5"
    & skf21("6","5","2","4","5","5","2","1") = "5"
    & skf21("6","5","2","4","5","5","3","1") = "5"
    & skf21("6","5","2","4","5","5","4","1") = "5"
    & skf21("6","5","2","4","5","5","5","1") = "5"
    & skf21("6","5","2","4","5","5","6","1") = "5"
    & skf21("6","5","2","4","5","5","7","1") = "6"
    & skf21("6","5","2","4","5","6","1","1") = "5"
    & skf21("6","5","2","4","5","6","2","1") = "5"
    & skf21("6","5","2","4","5","6","3","1") = "5"
    & skf21("6","5","2","4","5","6","4","1") = "5"
    & skf21("6","5","2","4","5","6","5","1") = "5"
    & skf21("6","5","2","4","5","6","6","1") = "5"
    & skf21("6","5","2","4","5","6","7","1") = "6"
    & skf21("6","5","2","4","5","7","1","1") = "6"
    & skf21("6","5","2","4","5","7","2","1") = "6"
    & skf21("6","5","2","4","5","7","3","1") = "6"
    & skf21("6","5","2","4","5","7","4","1") = "6"
    & skf21("6","5","2","4","5","7","5","1") = "6"
    & skf21("6","5","2","4","5","7","6","1") = "6"
    & skf21("6","5","2","4","5","7","7","1") = "6"
    & skf21("6","5","2","4","6","1","1","1") = "5"
    & skf21("6","5","2","4","6","1","2","1") = "5"
    & skf21("6","5","2","4","6","1","3","1") = "5"
    & skf21("6","5","2","4","6","1","4","1") = "5"
    & skf21("6","5","2","4","6","1","5","1") = "5"
    & skf21("6","5","2","4","6","1","6","1") = "5"
    & skf21("6","5","2","4","6","1","7","1") = "6"
    & skf21("6","5","2","4","6","2","1","1") = "5"
    & skf21("6","5","2","4","6","2","2","1") = "5"
    & skf21("6","5","2","4","6","2","3","1") = "5"
    & skf21("6","5","2","4","6","2","4","1") = "5"
    & skf21("6","5","2","4","6","2","5","1") = "5"
    & skf21("6","5","2","4","6","2","6","1") = "5"
    & skf21("6","5","2","4","6","2","7","1") = "6"
    & skf21("6","5","2","4","6","3","1","1") = "5"
    & skf21("6","5","2","4","6","3","2","1") = "5"
    & skf21("6","5","2","4","6","3","3","1") = "5"
    & skf21("6","5","2","4","6","3","4","1") = "5"
    & skf21("6","5","2","4","6","3","5","1") = "5"
    & skf21("6","5","2","4","6","3","6","1") = "5"
    & skf21("6","5","2","4","6","3","7","1") = "6"
    & skf21("6","5","2","4","6","4","1","1") = "5"
    & skf21("6","5","2","4","6","4","2","1") = "5"
    & skf21("6","5","2","4","6","4","3","1") = "5"
    & skf21("6","5","2","4","6","4","4","1") = "5"
    & skf21("6","5","2","4","6","4","5","1") = "5"
    & skf21("6","5","2","4","6","4","6","1") = "5"
    & skf21("6","5","2","4","6","4","7","1") = "6"
    & skf21("6","5","2","4","6","5","1","1") = "5"
    & skf21("6","5","2","4","6","5","2","1") = "5"
    & skf21("6","5","2","4","6","5","3","1") = "5"
    & skf21("6","5","2","4","6","5","4","1") = "5"
    & skf21("6","5","2","4","6","5","5","1") = "5"
    & skf21("6","5","2","4","6","5","6","1") = "5"
    & skf21("6","5","2","4","6","5","7","1") = "6"
    & skf21("6","5","2","4","6","6","1","1") = "5"
    & skf21("6","5","2","4","6","6","2","1") = "5"
    & skf21("6","5","2","4","6","6","3","1") = "5"
    & skf21("6","5","2","4","6","6","4","1") = "5"
    & skf21("6","5","2","4","6","6","5","1") = "5"
    & skf21("6","5","2","4","6","6","6","1") = "5"
    & skf21("6","5","2","4","6","6","7","1") = "6"
    & skf21("6","5","2","4","6","7","1","1") = "6"
    & skf21("6","5","2","4","6","7","2","1") = "6"
    & skf21("6","5","2","4","6","7","3","1") = "6"
    & skf21("6","5","2","4","6","7","4","1") = "6"
    & skf21("6","5","2","4","6","7","5","1") = "6"
    & skf21("6","5","2","4","6","7","6","1") = "6"
    & skf21("6","5","2","4","6","7","7","1") = "6"
    & skf21("6","5","2","4","7","1","1","1") = "6"
    & skf21("6","5","2","4","7","1","2","1") = "6"
    & skf21("6","5","2","4","7","1","3","1") = "6"
    & skf21("6","5","2","4","7","1","4","1") = "6"
    & skf21("6","5","2","4","7","1","5","1") = "6"
    & skf21("6","5","2","4","7","1","6","1") = "6"
    & skf21("6","5","2","4","7","1","7","1") = "6"
    & skf21("6","5","2","4","7","2","1","1") = "6"
    & skf21("6","5","2","4","7","2","2","1") = "6"
    & skf21("6","5","2","4","7","2","3","1") = "6"
    & skf21("6","5","2","4","7","2","4","1") = "6"
    & skf21("6","5","2","4","7","2","5","1") = "6"
    & skf21("6","5","2","4","7","2","6","1") = "6"
    & skf21("6","5","2","4","7","2","7","1") = "6"
    & skf21("6","5","2","4","7","3","1","1") = "6"
    & skf21("6","5","2","4","7","3","2","1") = "6"
    & skf21("6","5","2","4","7","3","3","1") = "6"
    & skf21("6","5","2","4","7","3","4","1") = "6"
    & skf21("6","5","2","4","7","3","5","1") = "6"
    & skf21("6","5","2","4","7","3","6","1") = "6"
    & skf21("6","5","2","4","7","3","7","1") = "6"
    & skf21("6","5","2","4","7","4","1","1") = "6"
    & skf21("6","5","2","4","7","4","2","1") = "6"
    & skf21("6","5","2","4","7","4","3","1") = "6"
    & skf21("6","5","2","4","7","4","4","1") = "6"
    & skf21("6","5","2","4","7","4","5","1") = "6"
    & skf21("6","5","2","4","7","4","6","1") = "6"
    & skf21("6","5","2","4","7","4","7","1") = "6"
    & skf21("6","5","2","4","7","5","1","1") = "6"
    & skf21("6","5","2","4","7","5","2","1") = "6"
    & skf21("6","5","2","4","7","5","3","1") = "6"
    & skf21("6","5","2","4","7","5","4","1") = "6"
    & skf21("6","5","2","4","7","5","5","1") = "6"
    & skf21("6","5","2","4","7","5","6","1") = "6"
    & skf21("6","5","2","4","7","5","7","1") = "6"
    & skf21("6","5","2","4","7","6","1","1") = "6"
    & skf21("6","5","2","4","7","6","2","1") = "6"
    & skf21("6","5","2","4","7","6","3","1") = "6"
    & skf21("6","5","2","4","7","6","4","1") = "6"
    & skf21("6","5","2","4","7","6","5","1") = "6"
    & skf21("6","5","2","4","7","6","6","1") = "6"
    & skf21("6","5","2","4","7","6","7","1") = "6"
    & skf21("6","5","2","4","7","7","1","1") = "6"
    & skf21("6","5","2","4","7","7","2","1") = "6"
    & skf21("6","5","2","4","7","7","3","1") = "6"
    & skf21("6","5","2","4","7","7","4","1") = "6"
    & skf21("6","5","2","4","7","7","5","1") = "6"
    & skf21("6","5","2","4","7","7","6","1") = "6"
    & skf21("6","5","2","4","7","7","7","1") = "6"
    & skf21("6","5","2","5","1","1","1","1") = "5"
    & skf21("6","5","2","5","1","1","2","1") = "5"
    & skf21("6","5","2","5","1","1","3","1") = "5"
    & skf21("6","5","2","5","1","1","4","1") = "5"
    & skf21("6","5","2","5","1","1","5","1") = "5"
    & skf21("6","5","2","5","1","1","6","1") = "5"
    & skf21("6","5","2","5","1","1","7","1") = "6"
    & skf21("6","5","2","5","1","2","1","1") = "5"
    & skf21("6","5","2","5","1","2","2","1") = "5"
    & skf21("6","5","2","5","1","2","3","1") = "5"
    & skf21("6","5","2","5","1","2","4","1") = "5"
    & skf21("6","5","2","5","1","2","5","1") = "5"
    & skf21("6","5","2","5","1","2","6","1") = "5"
    & skf21("6","5","2","5","1","2","7","1") = "6"
    & skf21("6","5","2","5","1","3","1","1") = "5"
    & skf21("6","5","2","5","1","3","2","1") = "5"
    & skf21("6","5","2","5","1","3","3","1") = "5"
    & skf21("6","5","2","5","1","3","4","1") = "5"
    & skf21("6","5","2","5","1","3","5","1") = "5"
    & skf21("6","5","2","5","1","3","6","1") = "5"
    & skf21("6","5","2","5","1","3","7","1") = "6"
    & skf21("6","5","2","5","1","4","1","1") = "5"
    & skf21("6","5","2","5","1","4","2","1") = "5"
    & skf21("6","5","2","5","1","4","3","1") = "5"
    & skf21("6","5","2","5","1","4","4","1") = "5"
    & skf21("6","5","2","5","1","4","5","1") = "5"
    & skf21("6","5","2","5","1","4","6","1") = "5"
    & skf21("6","5","2","5","1","4","7","1") = "6"
    & skf21("6","5","2","5","1","5","1","1") = "5"
    & skf21("6","5","2","5","1","5","2","1") = "5"
    & skf21("6","5","2","5","1","5","3","1") = "5"
    & skf21("6","5","2","5","1","5","4","1") = "5"
    & skf21("6","5","2","5","1","5","5","1") = "5"
    & skf21("6","5","2","5","1","5","6","1") = "5"
    & skf21("6","5","2","5","1","5","7","1") = "6"
    & skf21("6","5","2","5","1","6","1","1") = "5"
    & skf21("6","5","2","5","1","6","2","1") = "5"
    & skf21("6","5","2","5","1","6","3","1") = "5"
    & skf21("6","5","2","5","1","6","4","1") = "5"
    & skf21("6","5","2","5","1","6","5","1") = "5"
    & skf21("6","5","2","5","1","6","6","1") = "5"
    & skf21("6","5","2","5","1","6","7","1") = "6"
    & skf21("6","5","2","5","1","7","1","1") = "6"
    & skf21("6","5","2","5","1","7","2","1") = "6"
    & skf21("6","5","2","5","1","7","3","1") = "6"
    & skf21("6","5","2","5","1","7","4","1") = "6"
    & skf21("6","5","2","5","1","7","5","1") = "6"
    & skf21("6","5","2","5","1","7","6","1") = "6"
    & skf21("6","5","2","5","1","7","7","1") = "6"
    & skf21("6","5","2","5","2","1","1","1") = "5"
    & skf21("6","5","2","5","2","1","2","1") = "5"
    & skf21("6","5","2","5","2","1","3","1") = "5"
    & skf21("6","5","2","5","2","1","4","1") = "5"
    & skf21("6","5","2","5","2","1","5","1") = "5"
    & skf21("6","5","2","5","2","1","6","1") = "5"
    & skf21("6","5","2","5","2","1","7","1") = "6"
    & skf21("6","5","2","5","2","2","1","1") = "5"
    & skf21("6","5","2","5","2","2","2","1") = "5"
    & skf21("6","5","2","5","2","2","3","1") = "5"
    & skf21("6","5","2","5","2","2","4","1") = "5"
    & skf21("6","5","2","5","2","2","5","1") = "5"
    & skf21("6","5","2","5","2","2","6","1") = "5"
    & skf21("6","5","2","5","2","2","7","1") = "6"
    & skf21("6","5","2","5","2","3","1","1") = "5"
    & skf21("6","5","2","5","2","3","2","1") = "5"
    & skf21("6","5","2","5","2","3","3","1") = "5"
    & skf21("6","5","2","5","2","3","4","1") = "5"
    & skf21("6","5","2","5","2","3","5","1") = "5"
    & skf21("6","5","2","5","2","3","6","1") = "5"
    & skf21("6","5","2","5","2","3","7","1") = "6"
    & skf21("6","5","2","5","2","4","1","1") = "5"
    & skf21("6","5","2","5","2","4","2","1") = "5"
    & skf21("6","5","2","5","2","4","3","1") = "5"
    & skf21("6","5","2","5","2","4","4","1") = "5"
    & skf21("6","5","2","5","2","4","5","1") = "5"
    & skf21("6","5","2","5","2","4","6","1") = "5"
    & skf21("6","5","2","5","2","4","7","1") = "6"
    & skf21("6","5","2","5","2","5","1","1") = "5"
    & skf21("6","5","2","5","2","5","2","1") = "5"
    & skf21("6","5","2","5","2","5","3","1") = "5"
    & skf21("6","5","2","5","2","5","4","1") = "5"
    & skf21("6","5","2","5","2","5","5","1") = "5"
    & skf21("6","5","2","5","2","5","6","1") = "5"
    & skf21("6","5","2","5","2","5","7","1") = "6"
    & skf21("6","5","2","5","2","6","1","1") = "5"
    & skf21("6","5","2","5","2","6","2","1") = "5"
    & skf21("6","5","2","5","2","6","3","1") = "5"
    & skf21("6","5","2","5","2","6","4","1") = "5"
    & skf21("6","5","2","5","2","6","5","1") = "5"
    & skf21("6","5","2","5","2","6","6","1") = "5"
    & skf21("6","5","2","5","2","6","7","1") = "6"
    & skf21("6","5","2","5","2","7","1","1") = "6"
    & skf21("6","5","2","5","2","7","2","1") = "6"
    & skf21("6","5","2","5","2","7","3","1") = "6"
    & skf21("6","5","2","5","2","7","4","1") = "6"
    & skf21("6","5","2","5","2","7","5","1") = "6"
    & skf21("6","5","2","5","2","7","6","1") = "6"
    & skf21("6","5","2","5","2","7","7","1") = "6"
    & skf21("6","5","2","5","3","1","1","1") = "5"
    & skf21("6","5","2","5","3","1","2","1") = "5"
    & skf21("6","5","2","5","3","1","3","1") = "5"
    & skf21("6","5","2","5","3","1","4","1") = "5"
    & skf21("6","5","2","5","3","1","5","1") = "5"
    & skf21("6","5","2","5","3","1","6","1") = "5"
    & skf21("6","5","2","5","3","1","7","1") = "6"
    & skf21("6","5","2","5","3","2","1","1") = "5"
    & skf21("6","5","2","5","3","2","2","1") = "5"
    & skf21("6","5","2","5","3","2","3","1") = "5"
    & skf21("6","5","2","5","3","2","4","1") = "5"
    & skf21("6","5","2","5","3","2","5","1") = "5"
    & skf21("6","5","2","5","3","2","6","1") = "5"
    & skf21("6","5","2","5","3","2","7","1") = "6"
    & skf21("6","5","2","5","3","3","1","1") = "5"
    & skf21("6","5","2","5","3","3","2","1") = "5"
    & skf21("6","5","2","5","3","3","3","1") = "5"
    & skf21("6","5","2","5","3","3","4","1") = "5"
    & skf21("6","5","2","5","3","3","5","1") = "5"
    & skf21("6","5","2","5","3","3","6","1") = "5"
    & skf21("6","5","2","5","3","3","7","1") = "6"
    & skf21("6","5","2","5","3","4","1","1") = "5"
    & skf21("6","5","2","5","3","4","2","1") = "5"
    & skf21("6","5","2","5","3","4","3","1") = "5"
    & skf21("6","5","2","5","3","4","4","1") = "5"
    & skf21("6","5","2","5","3","4","5","1") = "5"
    & skf21("6","5","2","5","3","4","6","1") = "5"
    & skf21("6","5","2","5","3","4","7","1") = "6"
    & skf21("6","5","2","5","3","5","1","1") = "5"
    & skf21("6","5","2","5","3","5","2","1") = "5"
    & skf21("6","5","2","5","3","5","3","1") = "5"
    & skf21("6","5","2","5","3","5","4","1") = "5"
    & skf21("6","5","2","5","3","5","5","1") = "5"
    & skf21("6","5","2","5","3","5","6","1") = "5"
    & skf21("6","5","2","5","3","5","7","1") = "6"
    & skf21("6","5","2","5","3","6","1","1") = "5"
    & skf21("6","5","2","5","3","6","2","1") = "5"
    & skf21("6","5","2","5","3","6","3","1") = "5"
    & skf21("6","5","2","5","3","6","4","1") = "5"
    & skf21("6","5","2","5","3","6","5","1") = "5"
    & skf21("6","5","2","5","3","6","6","1") = "5"
    & skf21("6","5","2","5","3","6","7","1") = "6"
    & skf21("6","5","2","5","3","7","1","1") = "6"
    & skf21("6","5","2","5","3","7","2","1") = "6"
    & skf21("6","5","2","5","3","7","3","1") = "6"
    & skf21("6","5","2","5","3","7","4","1") = "6"
    & skf21("6","5","2","5","3","7","5","1") = "6"
    & skf21("6","5","2","5","3","7","6","1") = "6"
    & skf21("6","5","2","5","3","7","7","1") = "6"
    & skf21("6","5","2","5","4","1","1","1") = "5"
    & skf21("6","5","2","5","4","1","2","1") = "5"
    & skf21("6","5","2","5","4","1","3","1") = "5"
    & skf21("6","5","2","5","4","1","4","1") = "5"
    & skf21("6","5","2","5","4","1","5","1") = "5"
    & skf21("6","5","2","5","4","1","6","1") = "5"
    & skf21("6","5","2","5","4","1","7","1") = "6"
    & skf21("6","5","2","5","4","2","1","1") = "5"
    & skf21("6","5","2","5","4","2","2","1") = "5"
    & skf21("6","5","2","5","4","2","3","1") = "5"
    & skf21("6","5","2","5","4","2","4","1") = "5"
    & skf21("6","5","2","5","4","2","5","1") = "5"
    & skf21("6","5","2","5","4","2","6","1") = "5"
    & skf21("6","5","2","5","4","2","7","1") = "6"
    & skf21("6","5","2","5","4","3","1","1") = "5"
    & skf21("6","5","2","5","4","3","2","1") = "5"
    & skf21("6","5","2","5","4","3","3","1") = "5"
    & skf21("6","5","2","5","4","3","4","1") = "5"
    & skf21("6","5","2","5","4","3","5","1") = "5"
    & skf21("6","5","2","5","4","3","6","1") = "5"
    & skf21("6","5","2","5","4","3","7","1") = "6"
    & skf21("6","5","2","5","4","4","1","1") = "5"
    & skf21("6","5","2","5","4","4","2","1") = "5"
    & skf21("6","5","2","5","4","4","3","1") = "5"
    & skf21("6","5","2","5","4","4","4","1") = "5"
    & skf21("6","5","2","5","4","4","5","1") = "5"
    & skf21("6","5","2","5","4","4","6","1") = "5"
    & skf21("6","5","2","5","4","4","7","1") = "6"
    & skf21("6","5","2","5","4","5","1","1") = "5"
    & skf21("6","5","2","5","4","5","2","1") = "5"
    & skf21("6","5","2","5","4","5","3","1") = "5"
    & skf21("6","5","2","5","4","5","4","1") = "5"
    & skf21("6","5","2","5","4","5","5","1") = "5"
    & skf21("6","5","2","5","4","5","6","1") = "5"
    & skf21("6","5","2","5","4","5","7","1") = "6"
    & skf21("6","5","2","5","4","6","1","1") = "5"
    & skf21("6","5","2","5","4","6","2","1") = "5"
    & skf21("6","5","2","5","4","6","3","1") = "5"
    & skf21("6","5","2","5","4","6","4","1") = "5"
    & skf21("6","5","2","5","4","6","5","1") = "5"
    & skf21("6","5","2","5","4","6","6","1") = "5"
    & skf21("6","5","2","5","4","6","7","1") = "6"
    & skf21("6","5","2","5","4","7","1","1") = "6"
    & skf21("6","5","2","5","4","7","2","1") = "6"
    & skf21("6","5","2","5","4","7","3","1") = "6"
    & skf21("6","5","2","5","4","7","4","1") = "6"
    & skf21("6","5","2","5","4","7","5","1") = "6"
    & skf21("6","5","2","5","4","7","6","1") = "6"
    & skf21("6","5","2","5","4","7","7","1") = "6"
    & skf21("6","5","2","5","5","1","1","1") = "5"
    & skf21("6","5","2","5","5","1","2","1") = "5"
    & skf21("6","5","2","5","5","1","3","1") = "5"
    & skf21("6","5","2","5","5","1","4","1") = "5"
    & skf21("6","5","2","5","5","1","5","1") = "5"
    & skf21("6","5","2","5","5","1","6","1") = "5"
    & skf21("6","5","2","5","5","1","7","1") = "6"
    & skf21("6","5","2","5","5","2","1","1") = "5"
    & skf21("6","5","2","5","5","2","2","1") = "5"
    & skf21("6","5","2","5","5","2","3","1") = "5"
    & skf21("6","5","2","5","5","2","4","1") = "5"
    & skf21("6","5","2","5","5","2","5","1") = "5"
    & skf21("6","5","2","5","5","2","6","1") = "5"
    & skf21("6","5","2","5","5","2","7","1") = "6"
    & skf21("6","5","2","5","5","3","1","1") = "5"
    & skf21("6","5","2","5","5","3","2","1") = "5"
    & skf21("6","5","2","5","5","3","3","1") = "5"
    & skf21("6","5","2","5","5","3","4","1") = "5"
    & skf21("6","5","2","5","5","3","5","1") = "5"
    & skf21("6","5","2","5","5","3","6","1") = "5"
    & skf21("6","5","2","5","5","3","7","1") = "6"
    & skf21("6","5","2","5","5","4","1","1") = "5"
    & skf21("6","5","2","5","5","4","2","1") = "5"
    & skf21("6","5","2","5","5","4","3","1") = "5"
    & skf21("6","5","2","5","5","4","4","1") = "5"
    & skf21("6","5","2","5","5","4","5","1") = "5"
    & skf21("6","5","2","5","5","4","6","1") = "5"
    & skf21("6","5","2","5","5","4","7","1") = "6"
    & skf21("6","5","2","5","5","5","1","1") = "5"
    & skf21("6","5","2","5","5","5","2","1") = "5"
    & skf21("6","5","2","5","5","5","3","1") = "5"
    & skf21("6","5","2","5","5","5","4","1") = "5"
    & skf21("6","5","2","5","5","5","5","1") = "5"
    & skf21("6","5","2","5","5","5","6","1") = "5"
    & skf21("6","5","2","5","5","5","7","1") = "6"
    & skf21("6","5","2","5","5","6","1","1") = "5"
    & skf21("6","5","2","5","5","6","2","1") = "5"
    & skf21("6","5","2","5","5","6","3","1") = "5"
    & skf21("6","5","2","5","5","6","4","1") = "5"
    & skf21("6","5","2","5","5","6","5","1") = "5"
    & skf21("6","5","2","5","5","6","6","1") = "5"
    & skf21("6","5","2","5","5","6","7","1") = "6"
    & skf21("6","5","2","5","5","7","1","1") = "6"
    & skf21("6","5","2","5","5","7","2","1") = "6"
    & skf21("6","5","2","5","5","7","3","1") = "6"
    & skf21("6","5","2","5","5","7","4","1") = "6"
    & skf21("6","5","2","5","5","7","5","1") = "6"
    & skf21("6","5","2","5","5","7","6","1") = "6"
    & skf21("6","5","2","5","5","7","7","1") = "6"
    & skf21("6","5","2","5","6","1","1","1") = "5"
    & skf21("6","5","2","5","6","1","2","1") = "5"
    & skf21("6","5","2","5","6","1","3","1") = "5"
    & skf21("6","5","2","5","6","1","4","1") = "5"
    & skf21("6","5","2","5","6","1","5","1") = "5"
    & skf21("6","5","2","5","6","1","6","1") = "5"
    & skf21("6","5","2","5","6","1","7","1") = "6"
    & skf21("6","5","2","5","6","2","1","1") = "5"
    & skf21("6","5","2","5","6","2","2","1") = "5"
    & skf21("6","5","2","5","6","2","3","1") = "5"
    & skf21("6","5","2","5","6","2","4","1") = "5"
    & skf21("6","5","2","5","6","2","5","1") = "5"
    & skf21("6","5","2","5","6","2","6","1") = "5"
    & skf21("6","5","2","5","6","2","7","1") = "6"
    & skf21("6","5","2","5","6","3","1","1") = "5"
    & skf21("6","5","2","5","6","3","2","1") = "5"
    & skf21("6","5","2","5","6","3","3","1") = "5"
    & skf21("6","5","2","5","6","3","4","1") = "5"
    & skf21("6","5","2","5","6","3","5","1") = "5"
    & skf21("6","5","2","5","6","3","6","1") = "5"
    & skf21("6","5","2","5","6","3","7","1") = "6"
    & skf21("6","5","2","5","6","4","1","1") = "5"
    & skf21("6","5","2","5","6","4","2","1") = "5"
    & skf21("6","5","2","5","6","4","3","1") = "5"
    & skf21("6","5","2","5","6","4","4","1") = "5"
    & skf21("6","5","2","5","6","4","5","1") = "5"
    & skf21("6","5","2","5","6","4","6","1") = "5"
    & skf21("6","5","2","5","6","4","7","1") = "6"
    & skf21("6","5","2","5","6","5","1","1") = "5"
    & skf21("6","5","2","5","6","5","2","1") = "5"
    & skf21("6","5","2","5","6","5","3","1") = "5"
    & skf21("6","5","2","5","6","5","4","1") = "5"
    & skf21("6","5","2","5","6","5","5","1") = "5"
    & skf21("6","5","2","5","6","5","6","1") = "5"
    & skf21("6","5","2","5","6","5","7","1") = "6"
    & skf21("6","5","2","5","6","6","1","1") = "5"
    & skf21("6","5","2","5","6","6","2","1") = "5"
    & skf21("6","5","2","5","6","6","3","1") = "5"
    & skf21("6","5","2","5","6","6","4","1") = "5"
    & skf21("6","5","2","5","6","6","5","1") = "5"
    & skf21("6","5","2","5","6","6","6","1") = "5"
    & skf21("6","5","2","5","6","6","7","1") = "6"
    & skf21("6","5","2","5","6","7","1","1") = "6"
    & skf21("6","5","2","5","6","7","2","1") = "6"
    & skf21("6","5","2","5","6","7","3","1") = "6"
    & skf21("6","5","2","5","6","7","4","1") = "6"
    & skf21("6","5","2","5","6","7","5","1") = "6"
    & skf21("6","5","2","5","6","7","6","1") = "6"
    & skf21("6","5","2","5","6","7","7","1") = "6"
    & skf21("6","5","2","5","7","1","1","1") = "6"
    & skf21("6","5","2","5","7","1","2","1") = "6"
    & skf21("6","5","2","5","7","1","3","1") = "6"
    & skf21("6","5","2","5","7","1","4","1") = "6"
    & skf21("6","5","2","5","7","1","5","1") = "6"
    & skf21("6","5","2","5","7","1","6","1") = "6"
    & skf21("6","5","2","5","7","1","7","1") = "6"
    & skf21("6","5","2","5","7","2","1","1") = "6"
    & skf21("6","5","2","5","7","2","2","1") = "6"
    & skf21("6","5","2","5","7","2","3","1") = "6"
    & skf21("6","5","2","5","7","2","4","1") = "6"
    & skf21("6","5","2","5","7","2","5","1") = "6"
    & skf21("6","5","2","5","7","2","6","1") = "6"
    & skf21("6","5","2","5","7","2","7","1") = "6"
    & skf21("6","5","2","5","7","3","1","1") = "6"
    & skf21("6","5","2","5","7","3","2","1") = "6"
    & skf21("6","5","2","5","7","3","3","1") = "6"
    & skf21("6","5","2","5","7","3","4","1") = "6"
    & skf21("6","5","2","5","7","3","5","1") = "6"
    & skf21("6","5","2","5","7","3","6","1") = "6"
    & skf21("6","5","2","5","7","3","7","1") = "6"
    & skf21("6","5","2","5","7","4","1","1") = "6"
    & skf21("6","5","2","5","7","4","2","1") = "6"
    & skf21("6","5","2","5","7","4","3","1") = "6"
    & skf21("6","5","2","5","7","4","4","1") = "6"
    & skf21("6","5","2","5","7","4","5","1") = "6"
    & skf21("6","5","2","5","7","4","6","1") = "6"
    & skf21("6","5","2","5","7","4","7","1") = "6"
    & skf21("6","5","2","5","7","5","1","1") = "6"
    & skf21("6","5","2","5","7","5","2","1") = "6"
    & skf21("6","5","2","5","7","5","3","1") = "6"
    & skf21("6","5","2","5","7","5","4","1") = "6"
    & skf21("6","5","2","5","7","5","5","1") = "6"
    & skf21("6","5","2","5","7","5","6","1") = "6"
    & skf21("6","5","2","5","7","5","7","1") = "6"
    & skf21("6","5","2","5","7","6","1","1") = "6"
    & skf21("6","5","2","5","7","6","2","1") = "6"
    & skf21("6","5","2","5","7","6","3","1") = "6"
    & skf21("6","5","2","5","7","6","4","1") = "6"
    & skf21("6","5","2","5","7","6","5","1") = "6"
    & skf21("6","5","2","5","7","6","6","1") = "6"
    & skf21("6","5","2","5","7","6","7","1") = "6"
    & skf21("6","5","2","5","7","7","1","1") = "6"
    & skf21("6","5","2","5","7","7","2","1") = "6"
    & skf21("6","5","2","5","7","7","3","1") = "6"
    & skf21("6","5","2","5","7","7","4","1") = "6"
    & skf21("6","5","2","5","7","7","5","1") = "6"
    & skf21("6","5","2","5","7","7","6","1") = "6"
    & skf21("6","5","2","5","7","7","7","1") = "6"
    & skf21("6","5","2","6","1","1","1","1") = "5"
    & skf21("6","5","2","6","1","1","2","1") = "5"
    & skf21("6","5","2","6","1","1","3","1") = "5"
    & skf21("6","5","2","6","1","1","4","1") = "5"
    & skf21("6","5","2","6","1","1","5","1") = "5"
    & skf21("6","5","2","6","1","1","6","1") = "5"
    & skf21("6","5","2","6","1","1","7","1") = "6"
    & skf21("6","5","2","6","1","2","1","1") = "5"
    & skf21("6","5","2","6","1","2","2","1") = "5"
    & skf21("6","5","2","6","1","2","3","1") = "5"
    & skf21("6","5","2","6","1","2","4","1") = "5"
    & skf21("6","5","2","6","1","2","5","1") = "5"
    & skf21("6","5","2","6","1","2","6","1") = "5"
    & skf21("6","5","2","6","1","2","7","1") = "6"
    & skf21("6","5","2","6","1","3","1","1") = "5"
    & skf21("6","5","2","6","1","3","2","1") = "5"
    & skf21("6","5","2","6","1","3","3","1") = "5"
    & skf21("6","5","2","6","1","3","4","1") = "5"
    & skf21("6","5","2","6","1","3","5","1") = "5"
    & skf21("6","5","2","6","1","3","6","1") = "5"
    & skf21("6","5","2","6","1","3","7","1") = "6"
    & skf21("6","5","2","6","1","4","1","1") = "5"
    & skf21("6","5","2","6","1","4","2","1") = "5"
    & skf21("6","5","2","6","1","4","3","1") = "5"
    & skf21("6","5","2","6","1","4","4","1") = "5"
    & skf21("6","5","2","6","1","4","5","1") = "5"
    & skf21("6","5","2","6","1","4","6","1") = "5"
    & skf21("6","5","2","6","1","4","7","1") = "6"
    & skf21("6","5","2","6","1","5","1","1") = "5"
    & skf21("6","5","2","6","1","5","2","1") = "5"
    & skf21("6","5","2","6","1","5","3","1") = "5"
    & skf21("6","5","2","6","1","5","4","1") = "5"
    & skf21("6","5","2","6","1","5","5","1") = "5"
    & skf21("6","5","2","6","1","5","6","1") = "5"
    & skf21("6","5","2","6","1","5","7","1") = "6"
    & skf21("6","5","2","6","1","6","1","1") = "5"
    & skf21("6","5","2","6","1","6","2","1") = "5"
    & skf21("6","5","2","6","1","6","3","1") = "5"
    & skf21("6","5","2","6","1","6","4","1") = "5"
    & skf21("6","5","2","6","1","6","5","1") = "5"
    & skf21("6","5","2","6","1","6","6","1") = "5"
    & skf21("6","5","2","6","1","6","7","1") = "6"
    & skf21("6","5","2","6","1","7","1","1") = "6"
    & skf21("6","5","2","6","1","7","2","1") = "6"
    & skf21("6","5","2","6","1","7","3","1") = "6"
    & skf21("6","5","2","6","1","7","4","1") = "6"
    & skf21("6","5","2","6","1","7","5","1") = "6"
    & skf21("6","5","2","6","1","7","6","1") = "6"
    & skf21("6","5","2","6","1","7","7","1") = "6"
    & skf21("6","5","2","6","2","1","1","1") = "5"
    & skf21("6","5","2","6","2","1","2","1") = "5"
    & skf21("6","5","2","6","2","1","3","1") = "5"
    & skf21("6","5","2","6","2","1","4","1") = "5"
    & skf21("6","5","2","6","2","1","5","1") = "5"
    & skf21("6","5","2","6","2","1","6","1") = "5"
    & skf21("6","5","2","6","2","1","7","1") = "6"
    & skf21("6","5","2","6","2","2","1","1") = "5"
    & skf21("6","5","2","6","2","2","2","1") = "5"
    & skf21("6","5","2","6","2","2","3","1") = "5"
    & skf21("6","5","2","6","2","2","4","1") = "5"
    & skf21("6","5","2","6","2","2","5","1") = "5"
    & skf21("6","5","2","6","2","2","6","1") = "5"
    & skf21("6","5","2","6","2","2","7","1") = "6"
    & skf21("6","5","2","6","2","3","1","1") = "5"
    & skf21("6","5","2","6","2","3","2","1") = "5"
    & skf21("6","5","2","6","2","3","3","1") = "5"
    & skf21("6","5","2","6","2","3","4","1") = "5"
    & skf21("6","5","2","6","2","3","5","1") = "5"
    & skf21("6","5","2","6","2","3","6","1") = "5"
    & skf21("6","5","2","6","2","3","7","1") = "6"
    & skf21("6","5","2","6","2","4","1","1") = "5"
    & skf21("6","5","2","6","2","4","2","1") = "5"
    & skf21("6","5","2","6","2","4","3","1") = "5"
    & skf21("6","5","2","6","2","4","4","1") = "5"
    & skf21("6","5","2","6","2","4","5","1") = "5"
    & skf21("6","5","2","6","2","4","6","1") = "5"
    & skf21("6","5","2","6","2","4","7","1") = "6"
    & skf21("6","5","2","6","2","5","1","1") = "5"
    & skf21("6","5","2","6","2","5","2","1") = "5"
    & skf21("6","5","2","6","2","5","3","1") = "5"
    & skf21("6","5","2","6","2","5","4","1") = "5"
    & skf21("6","5","2","6","2","5","5","1") = "5"
    & skf21("6","5","2","6","2","5","6","1") = "5"
    & skf21("6","5","2","6","2","5","7","1") = "6"
    & skf21("6","5","2","6","2","6","1","1") = "5"
    & skf21("6","5","2","6","2","6","2","1") = "5"
    & skf21("6","5","2","6","2","6","3","1") = "5"
    & skf21("6","5","2","6","2","6","4","1") = "5"
    & skf21("6","5","2","6","2","6","5","1") = "5"
    & skf21("6","5","2","6","2","6","6","1") = "5"
    & skf21("6","5","2","6","2","6","7","1") = "6"
    & skf21("6","5","2","6","2","7","1","1") = "6"
    & skf21("6","5","2","6","2","7","2","1") = "6"
    & skf21("6","5","2","6","2","7","3","1") = "6"
    & skf21("6","5","2","6","2","7","4","1") = "6"
    & skf21("6","5","2","6","2","7","5","1") = "6"
    & skf21("6","5","2","6","2","7","6","1") = "6"
    & skf21("6","5","2","6","2","7","7","1") = "6"
    & skf21("6","5","2","6","3","1","1","1") = "5"
    & skf21("6","5","2","6","3","1","2","1") = "5"
    & skf21("6","5","2","6","3","1","3","1") = "5"
    & skf21("6","5","2","6","3","1","4","1") = "5"
    & skf21("6","5","2","6","3","1","5","1") = "5"
    & skf21("6","5","2","6","3","1","6","1") = "5"
    & skf21("6","5","2","6","3","1","7","1") = "6"
    & skf21("6","5","2","6","3","2","1","1") = "5"
    & skf21("6","5","2","6","3","2","2","1") = "5"
    & skf21("6","5","2","6","3","2","3","1") = "5"
    & skf21("6","5","2","6","3","2","4","1") = "5"
    & skf21("6","5","2","6","3","2","5","1") = "5"
    & skf21("6","5","2","6","3","2","6","1") = "5"
    & skf21("6","5","2","6","3","2","7","1") = "6"
    & skf21("6","5","2","6","3","3","1","1") = "5"
    & skf21("6","5","2","6","3","3","2","1") = "5"
    & skf21("6","5","2","6","3","3","3","1") = "5"
    & skf21("6","5","2","6","3","3","4","1") = "5"
    & skf21("6","5","2","6","3","3","5","1") = "5"
    & skf21("6","5","2","6","3","3","6","1") = "5"
    & skf21("6","5","2","6","3","3","7","1") = "6"
    & skf21("6","5","2","6","3","4","1","1") = "5"
    & skf21("6","5","2","6","3","4","2","1") = "5"
    & skf21("6","5","2","6","3","4","3","1") = "5"
    & skf21("6","5","2","6","3","4","4","1") = "5"
    & skf21("6","5","2","6","3","4","5","1") = "5"
    & skf21("6","5","2","6","3","4","6","1") = "5"
    & skf21("6","5","2","6","3","4","7","1") = "6"
    & skf21("6","5","2","6","3","5","1","1") = "5"
    & skf21("6","5","2","6","3","5","2","1") = "5"
    & skf21("6","5","2","6","3","5","3","1") = "5"
    & skf21("6","5","2","6","3","5","4","1") = "5"
    & skf21("6","5","2","6","3","5","5","1") = "5"
    & skf21("6","5","2","6","3","5","6","1") = "5"
    & skf21("6","5","2","6","3","5","7","1") = "6"
    & skf21("6","5","2","6","3","6","1","1") = "5"
    & skf21("6","5","2","6","3","6","2","1") = "5"
    & skf21("6","5","2","6","3","6","3","1") = "5"
    & skf21("6","5","2","6","3","6","4","1") = "5"
    & skf21("6","5","2","6","3","6","5","1") = "5"
    & skf21("6","5","2","6","3","6","6","1") = "5"
    & skf21("6","5","2","6","3","6","7","1") = "6"
    & skf21("6","5","2","6","3","7","1","1") = "6"
    & skf21("6","5","2","6","3","7","2","1") = "6"
    & skf21("6","5","2","6","3","7","3","1") = "6"
    & skf21("6","5","2","6","3","7","4","1") = "6"
    & skf21("6","5","2","6","3","7","5","1") = "6"
    & skf21("6","5","2","6","3","7","6","1") = "6"
    & skf21("6","5","2","6","3","7","7","1") = "6"
    & skf21("6","5","2","6","4","1","1","1") = "5"
    & skf21("6","5","2","6","4","1","2","1") = "5"
    & skf21("6","5","2","6","4","1","3","1") = "5"
    & skf21("6","5","2","6","4","1","4","1") = "5"
    & skf21("6","5","2","6","4","1","5","1") = "5"
    & skf21("6","5","2","6","4","1","6","1") = "5"
    & skf21("6","5","2","6","4","1","7","1") = "6"
    & skf21("6","5","2","6","4","2","1","1") = "5"
    & skf21("6","5","2","6","4","2","2","1") = "5"
    & skf21("6","5","2","6","4","2","3","1") = "5"
    & skf21("6","5","2","6","4","2","4","1") = "5"
    & skf21("6","5","2","6","4","2","5","1") = "5"
    & skf21("6","5","2","6","4","2","6","1") = "5"
    & skf21("6","5","2","6","4","2","7","1") = "6"
    & skf21("6","5","2","6","4","3","1","1") = "5"
    & skf21("6","5","2","6","4","3","2","1") = "5"
    & skf21("6","5","2","6","4","3","3","1") = "5"
    & skf21("6","5","2","6","4","3","4","1") = "5"
    & skf21("6","5","2","6","4","3","5","1") = "5"
    & skf21("6","5","2","6","4","3","6","1") = "5"
    & skf21("6","5","2","6","4","3","7","1") = "6"
    & skf21("6","5","2","6","4","4","1","1") = "5"
    & skf21("6","5","2","6","4","4","2","1") = "5"
    & skf21("6","5","2","6","4","4","3","1") = "5"
    & skf21("6","5","2","6","4","4","4","1") = "5"
    & skf21("6","5","2","6","4","4","5","1") = "5"
    & skf21("6","5","2","6","4","4","6","1") = "5"
    & skf21("6","5","2","6","4","4","7","1") = "6"
    & skf21("6","5","2","6","4","5","1","1") = "5"
    & skf21("6","5","2","6","4","5","2","1") = "5"
    & skf21("6","5","2","6","4","5","3","1") = "5"
    & skf21("6","5","2","6","4","5","4","1") = "5"
    & skf21("6","5","2","6","4","5","5","1") = "5"
    & skf21("6","5","2","6","4","5","6","1") = "5"
    & skf21("6","5","2","6","4","5","7","1") = "6"
    & skf21("6","5","2","6","4","6","1","1") = "5"
    & skf21("6","5","2","6","4","6","2","1") = "5"
    & skf21("6","5","2","6","4","6","3","1") = "5"
    & skf21("6","5","2","6","4","6","4","1") = "5"
    & skf21("6","5","2","6","4","6","5","1") = "5"
    & skf21("6","5","2","6","4","6","6","1") = "5"
    & skf21("6","5","2","6","4","6","7","1") = "6"
    & skf21("6","5","2","6","4","7","1","1") = "6"
    & skf21("6","5","2","6","4","7","2","1") = "6"
    & skf21("6","5","2","6","4","7","3","1") = "6"
    & skf21("6","5","2","6","4","7","4","1") = "6"
    & skf21("6","5","2","6","4","7","5","1") = "6"
    & skf21("6","5","2","6","4","7","6","1") = "6"
    & skf21("6","5","2","6","4","7","7","1") = "6"
    & skf21("6","5","2","6","5","1","1","1") = "5"
    & skf21("6","5","2","6","5","1","2","1") = "5"
    & skf21("6","5","2","6","5","1","3","1") = "5"
    & skf21("6","5","2","6","5","1","4","1") = "5"
    & skf21("6","5","2","6","5","1","5","1") = "5"
    & skf21("6","5","2","6","5","1","6","1") = "5"
    & skf21("6","5","2","6","5","1","7","1") = "6"
    & skf21("6","5","2","6","5","2","1","1") = "5"
    & skf21("6","5","2","6","5","2","2","1") = "5"
    & skf21("6","5","2","6","5","2","3","1") = "5"
    & skf21("6","5","2","6","5","2","4","1") = "5"
    & skf21("6","5","2","6","5","2","5","1") = "5"
    & skf21("6","5","2","6","5","2","6","1") = "5"
    & skf21("6","5","2","6","5","2","7","1") = "6"
    & skf21("6","5","2","6","5","3","1","1") = "5"
    & skf21("6","5","2","6","5","3","2","1") = "5"
    & skf21("6","5","2","6","5","3","3","1") = "5"
    & skf21("6","5","2","6","5","3","4","1") = "5"
    & skf21("6","5","2","6","5","3","5","1") = "5"
    & skf21("6","5","2","6","5","3","6","1") = "5"
    & skf21("6","5","2","6","5","3","7","1") = "6"
    & skf21("6","5","2","6","5","4","1","1") = "5"
    & skf21("6","5","2","6","5","4","2","1") = "5"
    & skf21("6","5","2","6","5","4","3","1") = "5"
    & skf21("6","5","2","6","5","4","4","1") = "5"
    & skf21("6","5","2","6","5","4","5","1") = "5"
    & skf21("6","5","2","6","5","4","6","1") = "5"
    & skf21("6","5","2","6","5","4","7","1") = "6"
    & skf21("6","5","2","6","5","5","1","1") = "5"
    & skf21("6","5","2","6","5","5","2","1") = "5"
    & skf21("6","5","2","6","5","5","3","1") = "5"
    & skf21("6","5","2","6","5","5","4","1") = "5"
    & skf21("6","5","2","6","5","5","5","1") = "5"
    & skf21("6","5","2","6","5","5","6","1") = "5"
    & skf21("6","5","2","6","5","5","7","1") = "6"
    & skf21("6","5","2","6","5","6","1","1") = "5"
    & skf21("6","5","2","6","5","6","2","1") = "5"
    & skf21("6","5","2","6","5","6","3","1") = "5"
    & skf21("6","5","2","6","5","6","4","1") = "5"
    & skf21("6","5","2","6","5","6","5","1") = "5"
    & skf21("6","5","2","6","5","6","6","1") = "5"
    & skf21("6","5","2","6","5","6","7","1") = "6"
    & skf21("6","5","2","6","5","7","1","1") = "6"
    & skf21("6","5","2","6","5","7","2","1") = "6"
    & skf21("6","5","2","6","5","7","3","1") = "6"
    & skf21("6","5","2","6","5","7","4","1") = "6"
    & skf21("6","5","2","6","5","7","5","1") = "6"
    & skf21("6","5","2","6","5","7","6","1") = "6"
    & skf21("6","5","2","6","5","7","7","1") = "6"
    & skf21("6","5","2","6","6","1","1","1") = "5"
    & skf21("6","5","2","6","6","1","2","1") = "5"
    & skf21("6","5","2","6","6","1","3","1") = "5"
    & skf21("6","5","2","6","6","1","4","1") = "5"
    & skf21("6","5","2","6","6","1","5","1") = "5"
    & skf21("6","5","2","6","6","1","6","1") = "5"
    & skf21("6","5","2","6","6","1","7","1") = "6"
    & skf21("6","5","2","6","6","2","1","1") = "5"
    & skf21("6","5","2","6","6","2","2","1") = "5"
    & skf21("6","5","2","6","6","2","3","1") = "5"
    & skf21("6","5","2","6","6","2","4","1") = "5"
    & skf21("6","5","2","6","6","2","5","1") = "5"
    & skf21("6","5","2","6","6","2","6","1") = "5"
    & skf21("6","5","2","6","6","2","7","1") = "6"
    & skf21("6","5","2","6","6","3","1","1") = "5"
    & skf21("6","5","2","6","6","3","2","1") = "5"
    & skf21("6","5","2","6","6","3","3","1") = "5"
    & skf21("6","5","2","6","6","3","4","1") = "5"
    & skf21("6","5","2","6","6","3","5","1") = "5"
    & skf21("6","5","2","6","6","3","6","1") = "5"
    & skf21("6","5","2","6","6","3","7","1") = "6"
    & skf21("6","5","2","6","6","4","1","1") = "5"
    & skf21("6","5","2","6","6","4","2","1") = "5"
    & skf21("6","5","2","6","6","4","3","1") = "5"
    & skf21("6","5","2","6","6","4","4","1") = "5"
    & skf21("6","5","2","6","6","4","5","1") = "5"
    & skf21("6","5","2","6","6","4","6","1") = "5"
    & skf21("6","5","2","6","6","4","7","1") = "6"
    & skf21("6","5","2","6","6","5","1","1") = "5"
    & skf21("6","5","2","6","6","5","2","1") = "5"
    & skf21("6","5","2","6","6","5","3","1") = "5"
    & skf21("6","5","2","6","6","5","4","1") = "5"
    & skf21("6","5","2","6","6","5","5","1") = "5"
    & skf21("6","5","2","6","6","5","6","1") = "5"
    & skf21("6","5","2","6","6","5","7","1") = "6"
    & skf21("6","5","2","6","6","6","1","1") = "5"
    & skf21("6","5","2","6","6","6","2","1") = "5"
    & skf21("6","5","2","6","6","6","3","1") = "5"
    & skf21("6","5","2","6","6","6","4","1") = "5"
    & skf21("6","5","2","6","6","6","5","1") = "5"
    & skf21("6","5","2","6","6","6","6","1") = "5"
    & skf21("6","5","2","6","6","6","7","1") = "6"
    & skf21("6","5","2","6","6","7","1","1") = "6"
    & skf21("6","5","2","6","6","7","2","1") = "6"
    & skf21("6","5","2","6","6","7","3","1") = "6"
    & skf21("6","5","2","6","6","7","4","1") = "6"
    & skf21("6","5","2","6","6","7","5","1") = "6"
    & skf21("6","5","2","6","6","7","6","1") = "6"
    & skf21("6","5","2","6","6","7","7","1") = "6"
    & skf21("6","5","2","6","7","1","1","1") = "6"
    & skf21("6","5","2","6","7","1","2","1") = "6"
    & skf21("6","5","2","6","7","1","3","1") = "6"
    & skf21("6","5","2","6","7","1","4","1") = "6"
    & skf21("6","5","2","6","7","1","5","1") = "6"
    & skf21("6","5","2","6","7","1","6","1") = "6"
    & skf21("6","5","2","6","7","1","7","1") = "6"
    & skf21("6","5","2","6","7","2","1","1") = "6"
    & skf21("6","5","2","6","7","2","2","1") = "6"
    & skf21("6","5","2","6","7","2","3","1") = "6"
    & skf21("6","5","2","6","7","2","4","1") = "6"
    & skf21("6","5","2","6","7","2","5","1") = "6"
    & skf21("6","5","2","6","7","2","6","1") = "6"
    & skf21("6","5","2","6","7","2","7","1") = "6"
    & skf21("6","5","2","6","7","3","1","1") = "6"
    & skf21("6","5","2","6","7","3","2","1") = "6"
    & skf21("6","5","2","6","7","3","3","1") = "6"
    & skf21("6","5","2","6","7","3","4","1") = "6"
    & skf21("6","5","2","6","7","3","5","1") = "6"
    & skf21("6","5","2","6","7","3","6","1") = "6"
    & skf21("6","5","2","6","7","3","7","1") = "6"
    & skf21("6","5","2","6","7","4","1","1") = "6"
    & skf21("6","5","2","6","7","4","2","1") = "6"
    & skf21("6","5","2","6","7","4","3","1") = "6"
    & skf21("6","5","2","6","7","4","4","1") = "6"
    & skf21("6","5","2","6","7","4","5","1") = "6"
    & skf21("6","5","2","6","7","4","6","1") = "6"
    & skf21("6","5","2","6","7","4","7","1") = "6"
    & skf21("6","5","2","6","7","5","1","1") = "6"
    & skf21("6","5","2","6","7","5","2","1") = "6"
    & skf21("6","5","2","6","7","5","3","1") = "6"
    & skf21("6","5","2","6","7","5","4","1") = "6"
    & skf21("6","5","2","6","7","5","5","1") = "6"
    & skf21("6","5","2","6","7","5","6","1") = "6"
    & skf21("6","5","2","6","7","5","7","1") = "6"
    & skf21("6","5","2","6","7","6","1","1") = "6"
    & skf21("6","5","2","6","7","6","2","1") = "6"
    & skf21("6","5","2","6","7","6","3","1") = "6"
    & skf21("6","5","2","6","7","6","4","1") = "6"
    & skf21("6","5","2","6","7","6","5","1") = "6"
    & skf21("6","5","2","6","7","6","6","1") = "6"
    & skf21("6","5","2","6","7","6","7","1") = "6"
    & skf21("6","5","2","6","7","7","1","1") = "6"
    & skf21("6","5","2","6","7","7","2","1") = "6"
    & skf21("6","5","2","6","7","7","3","1") = "6"
    & skf21("6","5","2","6","7","7","4","1") = "6"
    & skf21("6","5","2","6","7","7","5","1") = "6"
    & skf21("6","5","2","6","7","7","6","1") = "6"
    & skf21("6","5","2","6","7","7","7","1") = "6"
    & skf21("6","5","2","7","1","1","1","1") = "6"
    & skf21("6","5","2","7","1","1","2","1") = "6"
    & skf21("6","5","2","7","1","1","3","1") = "6"
    & skf21("6","5","2","7","1","1","4","1") = "6"
    & skf21("6","5","2","7","1","1","5","1") = "6"
    & skf21("6","5","2","7","1","1","6","1") = "6"
    & skf21("6","5","2","7","1","1","7","1") = "6"
    & skf21("6","5","2","7","1","2","1","1") = "6"
    & skf21("6","5","2","7","1","2","2","1") = "6"
    & skf21("6","5","2","7","1","2","3","1") = "6"
    & skf21("6","5","2","7","1","2","4","1") = "6"
    & skf21("6","5","2","7","1","2","5","1") = "6"
    & skf21("6","5","2","7","1","2","6","1") = "6"
    & skf21("6","5","2","7","1","2","7","1") = "6"
    & skf21("6","5","2","7","1","3","1","1") = "6"
    & skf21("6","5","2","7","1","3","2","1") = "6"
    & skf21("6","5","2","7","1","3","3","1") = "6"
    & skf21("6","5","2","7","1","3","4","1") = "6"
    & skf21("6","5","2","7","1","3","5","1") = "6"
    & skf21("6","5","2","7","1","3","6","1") = "6"
    & skf21("6","5","2","7","1","3","7","1") = "6"
    & skf21("6","5","2","7","1","4","1","1") = "6"
    & skf21("6","5","2","7","1","4","2","1") = "6"
    & skf21("6","5","2","7","1","4","3","1") = "6"
    & skf21("6","5","2","7","1","4","4","1") = "6"
    & skf21("6","5","2","7","1","4","5","1") = "6"
    & skf21("6","5","2","7","1","4","6","1") = "6"
    & skf21("6","5","2","7","1","4","7","1") = "6"
    & skf21("6","5","2","7","1","5","1","1") = "6"
    & skf21("6","5","2","7","1","5","2","1") = "6"
    & skf21("6","5","2","7","1","5","3","1") = "6"
    & skf21("6","5","2","7","1","5","4","1") = "6"
    & skf21("6","5","2","7","1","5","5","1") = "6"
    & skf21("6","5","2","7","1","5","6","1") = "6"
    & skf21("6","5","2","7","1","5","7","1") = "6"
    & skf21("6","5","2","7","1","6","1","1") = "6"
    & skf21("6","5","2","7","1","6","2","1") = "6"
    & skf21("6","5","2","7","1","6","3","1") = "6"
    & skf21("6","5","2","7","1","6","4","1") = "6"
    & skf21("6","5","2","7","1","6","5","1") = "6"
    & skf21("6","5","2","7","1","6","6","1") = "6"
    & skf21("6","5","2","7","1","6","7","1") = "6"
    & skf21("6","5","2","7","1","7","1","1") = "6"
    & skf21("6","5","2","7","1","7","2","1") = "6"
    & skf21("6","5","2","7","1","7","3","1") = "6"
    & skf21("6","5","2","7","1","7","4","1") = "6"
    & skf21("6","5","2","7","1","7","5","1") = "6"
    & skf21("6","5","2","7","1","7","6","1") = "6"
    & skf21("6","5","2","7","1","7","7","1") = "6"
    & skf21("6","5","2","7","2","1","1","1") = "6"
    & skf21("6","5","2","7","2","1","2","1") = "6"
    & skf21("6","5","2","7","2","1","3","1") = "6"
    & skf21("6","5","2","7","2","1","4","1") = "6"
    & skf21("6","5","2","7","2","1","5","1") = "6"
    & skf21("6","5","2","7","2","1","6","1") = "6"
    & skf21("6","5","2","7","2","1","7","1") = "6"
    & skf21("6","5","2","7","2","2","1","1") = "6"
    & skf21("6","5","2","7","2","2","2","1") = "6"
    & skf21("6","5","2","7","2","2","3","1") = "6"
    & skf21("6","5","2","7","2","2","4","1") = "6"
    & skf21("6","5","2","7","2","2","5","1") = "6"
    & skf21("6","5","2","7","2","2","6","1") = "6"
    & skf21("6","5","2","7","2","2","7","1") = "6"
    & skf21("6","5","2","7","2","3","1","1") = "6"
    & skf21("6","5","2","7","2","3","2","1") = "6"
    & skf21("6","5","2","7","2","3","3","1") = "6"
    & skf21("6","5","2","7","2","3","4","1") = "6"
    & skf21("6","5","2","7","2","3","5","1") = "6"
    & skf21("6","5","2","7","2","3","6","1") = "6"
    & skf21("6","5","2","7","2","3","7","1") = "6"
    & skf21("6","5","2","7","2","4","1","1") = "6"
    & skf21("6","5","2","7","2","4","2","1") = "6"
    & skf21("6","5","2","7","2","4","3","1") = "6"
    & skf21("6","5","2","7","2","4","4","1") = "6"
    & skf21("6","5","2","7","2","4","5","1") = "6"
    & skf21("6","5","2","7","2","4","6","1") = "6"
    & skf21("6","5","2","7","2","4","7","1") = "6"
    & skf21("6","5","2","7","2","5","1","1") = "6"
    & skf21("6","5","2","7","2","5","2","1") = "6"
    & skf21("6","5","2","7","2","5","3","1") = "6"
    & skf21("6","5","2","7","2","5","4","1") = "6"
    & skf21("6","5","2","7","2","5","5","1") = "6"
    & skf21("6","5","2","7","2","5","6","1") = "6"
    & skf21("6","5","2","7","2","5","7","1") = "6"
    & skf21("6","5","2","7","2","6","1","1") = "6"
    & skf21("6","5","2","7","2","6","2","1") = "6"
    & skf21("6","5","2","7","2","6","3","1") = "6"
    & skf21("6","5","2","7","2","6","4","1") = "6"
    & skf21("6","5","2","7","2","6","5","1") = "6"
    & skf21("6","5","2","7","2","6","6","1") = "6"
    & skf21("6","5","2","7","2","6","7","1") = "6"
    & skf21("6","5","2","7","2","7","1","1") = "6"
    & skf21("6","5","2","7","2","7","2","1") = "6"
    & skf21("6","5","2","7","2","7","3","1") = "6"
    & skf21("6","5","2","7","2","7","4","1") = "6"
    & skf21("6","5","2","7","2","7","5","1") = "6"
    & skf21("6","5","2","7","2","7","6","1") = "6"
    & skf21("6","5","2","7","2","7","7","1") = "6"
    & skf21("6","5","2","7","3","1","1","1") = "6"
    & skf21("6","5","2","7","3","1","2","1") = "6"
    & skf21("6","5","2","7","3","1","3","1") = "6"
    & skf21("6","5","2","7","3","1","4","1") = "6"
    & skf21("6","5","2","7","3","1","5","1") = "6"
    & skf21("6","5","2","7","3","1","6","1") = "6"
    & skf21("6","5","2","7","3","1","7","1") = "6"
    & skf21("6","5","2","7","3","2","1","1") = "6"
    & skf21("6","5","2","7","3","2","2","1") = "6"
    & skf21("6","5","2","7","3","2","3","1") = "6"
    & skf21("6","5","2","7","3","2","4","1") = "6"
    & skf21("6","5","2","7","3","2","5","1") = "6"
    & skf21("6","5","2","7","3","2","6","1") = "6"
    & skf21("6","5","2","7","3","2","7","1") = "6"
    & skf21("6","5","2","7","3","3","1","1") = "6"
    & skf21("6","5","2","7","3","3","2","1") = "6"
    & skf21("6","5","2","7","3","3","3","1") = "6"
    & skf21("6","5","2","7","3","3","4","1") = "6"
    & skf21("6","5","2","7","3","3","5","1") = "6"
    & skf21("6","5","2","7","3","3","6","1") = "6"
    & skf21("6","5","2","7","3","3","7","1") = "6"
    & skf21("6","5","2","7","3","4","1","1") = "6"
    & skf21("6","5","2","7","3","4","2","1") = "6"
    & skf21("6","5","2","7","3","4","3","1") = "6"
    & skf21("6","5","2","7","3","4","4","1") = "6"
    & skf21("6","5","2","7","3","4","5","1") = "6"
    & skf21("6","5","2","7","3","4","6","1") = "6"
    & skf21("6","5","2","7","3","4","7","1") = "6"
    & skf21("6","5","2","7","3","5","1","1") = "6"
    & skf21("6","5","2","7","3","5","2","1") = "6"
    & skf21("6","5","2","7","3","5","3","1") = "6"
    & skf21("6","5","2","7","3","5","4","1") = "6"
    & skf21("6","5","2","7","3","5","5","1") = "6"
    & skf21("6","5","2","7","3","5","6","1") = "6"
    & skf21("6","5","2","7","3","5","7","1") = "6"
    & skf21("6","5","2","7","3","6","1","1") = "6"
    & skf21("6","5","2","7","3","6","2","1") = "6"
    & skf21("6","5","2","7","3","6","3","1") = "6"
    & skf21("6","5","2","7","3","6","4","1") = "6"
    & skf21("6","5","2","7","3","6","5","1") = "6"
    & skf21("6","5","2","7","3","6","6","1") = "6"
    & skf21("6","5","2","7","3","6","7","1") = "6"
    & skf21("6","5","2","7","3","7","1","1") = "6"
    & skf21("6","5","2","7","3","7","2","1") = "6"
    & skf21("6","5","2","7","3","7","3","1") = "6"
    & skf21("6","5","2","7","3","7","4","1") = "6"
    & skf21("6","5","2","7","3","7","5","1") = "6"
    & skf21("6","5","2","7","3","7","6","1") = "6"
    & skf21("6","5","2","7","3","7","7","1") = "6"
    & skf21("6","5","2","7","4","1","1","1") = "6"
    & skf21("6","5","2","7","4","1","2","1") = "6"
    & skf21("6","5","2","7","4","1","3","1") = "6"
    & skf21("6","5","2","7","4","1","4","1") = "6"
    & skf21("6","5","2","7","4","1","5","1") = "6"
    & skf21("6","5","2","7","4","1","6","1") = "6"
    & skf21("6","5","2","7","4","1","7","1") = "6"
    & skf21("6","5","2","7","4","2","1","1") = "6"
    & skf21("6","5","2","7","4","2","2","1") = "6"
    & skf21("6","5","2","7","4","2","3","1") = "6"
    & skf21("6","5","2","7","4","2","4","1") = "6"
    & skf21("6","5","2","7","4","2","5","1") = "6"
    & skf21("6","5","2","7","4","2","6","1") = "6"
    & skf21("6","5","2","7","4","2","7","1") = "6"
    & skf21("6","5","2","7","4","3","1","1") = "6"
    & skf21("6","5","2","7","4","3","2","1") = "6"
    & skf21("6","5","2","7","4","3","3","1") = "6"
    & skf21("6","5","2","7","4","3","4","1") = "6"
    & skf21("6","5","2","7","4","3","5","1") = "6"
    & skf21("6","5","2","7","4","3","6","1") = "6"
    & skf21("6","5","2","7","4","3","7","1") = "6"
    & skf21("6","5","2","7","4","4","1","1") = "6"
    & skf21("6","5","2","7","4","4","2","1") = "6"
    & skf21("6","5","2","7","4","4","3","1") = "6"
    & skf21("6","5","2","7","4","4","4","1") = "6"
    & skf21("6","5","2","7","4","4","5","1") = "6"
    & skf21("6","5","2","7","4","4","6","1") = "6"
    & skf21("6","5","2","7","4","4","7","1") = "6"
    & skf21("6","5","2","7","4","5","1","1") = "6"
    & skf21("6","5","2","7","4","5","2","1") = "6"
    & skf21("6","5","2","7","4","5","3","1") = "6"
    & skf21("6","5","2","7","4","5","4","1") = "6"
    & skf21("6","5","2","7","4","5","5","1") = "6"
    & skf21("6","5","2","7","4","5","6","1") = "6"
    & skf21("6","5","2","7","4","5","7","1") = "6"
    & skf21("6","5","2","7","4","6","1","1") = "6"
    & skf21("6","5","2","7","4","6","2","1") = "6"
    & skf21("6","5","2","7","4","6","3","1") = "6"
    & skf21("6","5","2","7","4","6","4","1") = "6"
    & skf21("6","5","2","7","4","6","5","1") = "6"
    & skf21("6","5","2","7","4","6","6","1") = "6"
    & skf21("6","5","2","7","4","6","7","1") = "6"
    & skf21("6","5","2","7","4","7","1","1") = "6"
    & skf21("6","5","2","7","4","7","2","1") = "6"
    & skf21("6","5","2","7","4","7","3","1") = "6"
    & skf21("6","5","2","7","4","7","4","1") = "6"
    & skf21("6","5","2","7","4","7","5","1") = "6"
    & skf21("6","5","2","7","4","7","6","1") = "6"
    & skf21("6","5","2","7","4","7","7","1") = "6"
    & skf21("6","5","2","7","5","1","1","1") = "6"
    & skf21("6","5","2","7","5","1","2","1") = "6"
    & skf21("6","5","2","7","5","1","3","1") = "6"
    & skf21("6","5","2","7","5","1","4","1") = "6"
    & skf21("6","5","2","7","5","1","5","1") = "6"
    & skf21("6","5","2","7","5","1","6","1") = "6"
    & skf21("6","5","2","7","5","1","7","1") = "6"
    & skf21("6","5","2","7","5","2","1","1") = "6"
    & skf21("6","5","2","7","5","2","2","1") = "6"
    & skf21("6","5","2","7","5","2","3","1") = "6"
    & skf21("6","5","2","7","5","2","4","1") = "6"
    & skf21("6","5","2","7","5","2","5","1") = "6"
    & skf21("6","5","2","7","5","2","6","1") = "6"
    & skf21("6","5","2","7","5","2","7","1") = "6"
    & skf21("6","5","2","7","5","3","1","1") = "6"
    & skf21("6","5","2","7","5","3","2","1") = "6"
    & skf21("6","5","2","7","5","3","3","1") = "6"
    & skf21("6","5","2","7","5","3","4","1") = "6"
    & skf21("6","5","2","7","5","3","5","1") = "6"
    & skf21("6","5","2","7","5","3","6","1") = "6"
    & skf21("6","5","2","7","5","3","7","1") = "6"
    & skf21("6","5","2","7","5","4","1","1") = "6"
    & skf21("6","5","2","7","5","4","2","1") = "6"
    & skf21("6","5","2","7","5","4","3","1") = "6"
    & skf21("6","5","2","7","5","4","4","1") = "6"
    & skf21("6","5","2","7","5","4","5","1") = "6"
    & skf21("6","5","2","7","5","4","6","1") = "6"
    & skf21("6","5","2","7","5","4","7","1") = "6"
    & skf21("6","5","2","7","5","5","1","1") = "6"
    & skf21("6","5","2","7","5","5","2","1") = "6"
    & skf21("6","5","2","7","5","5","3","1") = "6"
    & skf21("6","5","2","7","5","5","4","1") = "6"
    & skf21("6","5","2","7","5","5","5","1") = "6"
    & skf21("6","5","2","7","5","5","6","1") = "6"
    & skf21("6","5","2","7","5","5","7","1") = "6"
    & skf21("6","5","2","7","5","6","1","1") = "6"
    & skf21("6","5","2","7","5","6","2","1") = "6"
    & skf21("6","5","2","7","5","6","3","1") = "6"
    & skf21("6","5","2","7","5","6","4","1") = "6"
    & skf21("6","5","2","7","5","6","5","1") = "6"
    & skf21("6","5","2","7","5","6","6","1") = "6"
    & skf21("6","5","2","7","5","6","7","1") = "6"
    & skf21("6","5","2","7","5","7","1","1") = "6"
    & skf21("6","5","2","7","5","7","2","1") = "6"
    & skf21("6","5","2","7","5","7","3","1") = "6"
    & skf21("6","5","2","7","5","7","4","1") = "6"
    & skf21("6","5","2","7","5","7","5","1") = "6"
    & skf21("6","5","2","7","5","7","6","1") = "6"
    & skf21("6","5","2","7","5","7","7","1") = "6"
    & skf21("6","5","2","7","6","1","1","1") = "6"
    & skf21("6","5","2","7","6","1","2","1") = "6"
    & skf21("6","5","2","7","6","1","3","1") = "6"
    & skf21("6","5","2","7","6","1","4","1") = "6"
    & skf21("6","5","2","7","6","1","5","1") = "6"
    & skf21("6","5","2","7","6","1","6","1") = "6"
    & skf21("6","5","2","7","6","1","7","1") = "6"
    & skf21("6","5","2","7","6","2","1","1") = "6"
    & skf21("6","5","2","7","6","2","2","1") = "6"
    & skf21("6","5","2","7","6","2","3","1") = "6"
    & skf21("6","5","2","7","6","2","4","1") = "6"
    & skf21("6","5","2","7","6","2","5","1") = "6"
    & skf21("6","5","2","7","6","2","6","1") = "6"
    & skf21("6","5","2","7","6","2","7","1") = "6"
    & skf21("6","5","2","7","6","3","1","1") = "6"
    & skf21("6","5","2","7","6","3","2","1") = "6"
    & skf21("6","5","2","7","6","3","3","1") = "6"
    & skf21("6","5","2","7","6","3","4","1") = "6"
    & skf21("6","5","2","7","6","3","5","1") = "6"
    & skf21("6","5","2","7","6","3","6","1") = "6"
    & skf21("6","5","2","7","6","3","7","1") = "6"
    & skf21("6","5","2","7","6","4","1","1") = "6"
    & skf21("6","5","2","7","6","4","2","1") = "6"
    & skf21("6","5","2","7","6","4","3","1") = "6"
    & skf21("6","5","2","7","6","4","4","1") = "6"
    & skf21("6","5","2","7","6","4","5","1") = "6"
    & skf21("6","5","2","7","6","4","6","1") = "6"
    & skf21("6","5","2","7","6","4","7","1") = "6"
    & skf21("6","5","2","7","6","5","1","1") = "6"
    & skf21("6","5","2","7","6","5","2","1") = "6"
    & skf21("6","5","2","7","6","5","3","1") = "6"
    & skf21("6","5","2","7","6","5","4","1") = "6"
    & skf21("6","5","2","7","6","5","5","1") = "6"
    & skf21("6","5","2","7","6","5","6","1") = "6"
    & skf21("6","5","2","7","6","5","7","1") = "6"
    & skf21("6","5","2","7","6","6","1","1") = "6"
    & skf21("6","5","2","7","6","6","2","1") = "6"
    & skf21("6","5","2","7","6","6","3","1") = "6"
    & skf21("6","5","2","7","6","6","4","1") = "6"
    & skf21("6","5","2","7","6","6","5","1") = "6"
    & skf21("6","5","2","7","6","6","6","1") = "6"
    & skf21("6","5","2","7","6","6","7","1") = "6"
    & skf21("6","5","2","7","6","7","1","1") = "6"
    & skf21("6","5","2","7","6","7","2","1") = "6"
    & skf21("6","5","2","7","6","7","3","1") = "6"
    & skf21("6","5","2","7","6","7","4","1") = "6"
    & skf21("6","5","2","7","6","7","5","1") = "6"
    & skf21("6","5","2","7","6","7","6","1") = "6"
    & skf21("6","5","2","7","6","7","7","1") = "6"
    & skf21("6","5","2","7","7","1","1","1") = "6"
    & skf21("6","5","2","7","7","1","2","1") = "6"
    & skf21("6","5","2","7","7","1","3","1") = "6"
    & skf21("6","5","2","7","7","1","4","1") = "6"
    & skf21("6","5","2","7","7","1","5","1") = "6"
    & skf21("6","5","2","7","7","1","6","1") = "6"
    & skf21("6","5","2","7","7","1","7","1") = "6"
    & skf21("6","5","2","7","7","2","1","1") = "6"
    & skf21("6","5","2","7","7","2","2","1") = "6"
    & skf21("6","5","2","7","7","2","3","1") = "6"
    & skf21("6","5","2","7","7","2","4","1") = "6"
    & skf21("6","5","2","7","7","2","5","1") = "6"
    & skf21("6","5","2","7","7","2","6","1") = "6"
    & skf21("6","5","2","7","7","2","7","1") = "6"
    & skf21("6","5","2","7","7","3","1","1") = "6"
    & skf21("6","5","2","7","7","3","2","1") = "6"
    & skf21("6","5","2","7","7","3","3","1") = "6"
    & skf21("6","5","2","7","7","3","4","1") = "6"
    & skf21("6","5","2","7","7","3","5","1") = "6"
    & skf21("6","5","2","7","7","3","6","1") = "6"
    & skf21("6","5","2","7","7","3","7","1") = "6"
    & skf21("6","5","2","7","7","4","1","1") = "6"
    & skf21("6","5","2","7","7","4","2","1") = "6"
    & skf21("6","5","2","7","7","4","3","1") = "6"
    & skf21("6","5","2","7","7","4","4","1") = "6"
    & skf21("6","5","2","7","7","4","5","1") = "6"
    & skf21("6","5","2","7","7","4","6","1") = "6"
    & skf21("6","5","2","7","7","4","7","1") = "6"
    & skf21("6","5","2","7","7","5","1","1") = "6"
    & skf21("6","5","2","7","7","5","2","1") = "6"
    & skf21("6","5","2","7","7","5","3","1") = "6"
    & skf21("6","5","2","7","7","5","4","1") = "6"
    & skf21("6","5","2","7","7","5","5","1") = "6"
    & skf21("6","5","2","7","7","5","6","1") = "6"
    & skf21("6","5","2","7","7","5","7","1") = "6"
    & skf21("6","5","2","7","7","6","1","1") = "6"
    & skf21("6","5","2","7","7","6","2","1") = "6"
    & skf21("6","5","2","7","7","6","3","1") = "6"
    & skf21("6","5","2","7","7","6","4","1") = "6"
    & skf21("6","5","2","7","7","6","5","1") = "6"
    & skf21("6","5","2","7","7","6","6","1") = "6"
    & skf21("6","5","2","7","7","6","7","1") = "6"
    & skf21("6","5","2","7","7","7","1","1") = "6"
    & skf21("6","5","2","7","7","7","2","1") = "6"
    & skf21("6","5","2","7","7","7","3","1") = "6"
    & skf21("6","5","2","7","7","7","4","1") = "6"
    & skf21("6","5","2","7","7","7","5","1") = "6"
    & skf21("6","5","2","7","7","7","6","1") = "6"
    & skf21("6","5","2","7","7","7","7","1") = "6"
    & skf21("6","5","3","1","1","1","1","1") = "5"
    & skf21("6","5","3","1","1","1","2","1") = "5"
    & skf21("6","5","3","1","1","1","3","1") = "5"
    & skf21("6","5","3","1","1","1","4","1") = "5"
    & skf21("6","5","3","1","1","1","5","1") = "5"
    & skf21("6","5","3","1","1","1","6","1") = "5"
    & skf21("6","5","3","1","1","1","7","1") = "6"
    & skf21("6","5","3","1","1","2","1","1") = "5"
    & skf21("6","5","3","1","1","2","2","1") = "5"
    & skf21("6","5","3","1","1","2","3","1") = "5"
    & skf21("6","5","3","1","1","2","4","1") = "5"
    & skf21("6","5","3","1","1","2","5","1") = "5"
    & skf21("6","5","3","1","1","2","6","1") = "5"
    & skf21("6","5","3","1","1","2","7","1") = "6"
    & skf21("6","5","3","1","1","3","1","1") = "5"
    & skf21("6","5","3","1","1","3","2","1") = "5"
    & skf21("6","5","3","1","1","3","3","1") = "5"
    & skf21("6","5","3","1","1","3","4","1") = "5"
    & skf21("6","5","3","1","1","3","5","1") = "5"
    & skf21("6","5","3","1","1","3","6","1") = "5"
    & skf21("6","5","3","1","1","3","7","1") = "6"
    & skf21("6","5","3","1","1","4","1","1") = "5"
    & skf21("6","5","3","1","1","4","2","1") = "5"
    & skf21("6","5","3","1","1","4","3","1") = "5"
    & skf21("6","5","3","1","1","4","4","1") = "5"
    & skf21("6","5","3","1","1","4","5","1") = "5"
    & skf21("6","5","3","1","1","4","6","1") = "5"
    & skf21("6","5","3","1","1","4","7","1") = "6"
    & skf21("6","5","3","1","1","5","1","1") = "5"
    & skf21("6","5","3","1","1","5","2","1") = "5"
    & skf21("6","5","3","1","1","5","3","1") = "5"
    & skf21("6","5","3","1","1","5","4","1") = "5"
    & skf21("6","5","3","1","1","5","5","1") = "5"
    & skf21("6","5","3","1","1","5","6","1") = "5"
    & skf21("6","5","3","1","1","5","7","1") = "6"
    & skf21("6","5","3","1","1","6","1","1") = "5"
    & skf21("6","5","3","1","1","6","2","1") = "5"
    & skf21("6","5","3","1","1","6","3","1") = "5"
    & skf21("6","5","3","1","1","6","4","1") = "5"
    & skf21("6","5","3","1","1","6","5","1") = "5"
    & skf21("6","5","3","1","1","6","6","1") = "5"
    & skf21("6","5","3","1","1","6","7","1") = "6"
    & skf21("6","5","3","1","1","7","1","1") = "6"
    & skf21("6","5","3","1","1","7","2","1") = "6"
    & skf21("6","5","3","1","1","7","3","1") = "6"
    & skf21("6","5","3","1","1","7","4","1") = "6"
    & skf21("6","5","3","1","1","7","5","1") = "6"
    & skf21("6","5","3","1","1","7","6","1") = "6"
    & skf21("6","5","3","1","1","7","7","1") = "6"
    & skf21("6","5","3","1","2","1","1","1") = "5"
    & skf21("6","5","3","1","2","1","2","1") = "5"
    & skf21("6","5","3","1","2","1","3","1") = "5"
    & skf21("6","5","3","1","2","1","4","1") = "5"
    & skf21("6","5","3","1","2","1","5","1") = "5"
    & skf21("6","5","3","1","2","1","6","1") = "5"
    & skf21("6","5","3","1","2","1","7","1") = "6"
    & skf21("6","5","3","1","2","2","1","1") = "5"
    & skf21("6","5","3","1","2","2","2","1") = "5"
    & skf21("6","5","3","1","2","2","3","1") = "5"
    & skf21("6","5","3","1","2","2","4","1") = "5"
    & skf21("6","5","3","1","2","2","5","1") = "5"
    & skf21("6","5","3","1","2","2","6","1") = "5"
    & skf21("6","5","3","1","2","2","7","1") = "6"
    & skf21("6","5","3","1","2","3","1","1") = "5"
    & skf21("6","5","3","1","2","3","2","1") = "5"
    & skf21("6","5","3","1","2","3","3","1") = "5"
    & skf21("6","5","3","1","2","3","4","1") = "5"
    & skf21("6","5","3","1","2","3","5","1") = "5"
    & skf21("6","5","3","1","2","3","6","1") = "5"
    & skf21("6","5","3","1","2","3","7","1") = "6"
    & skf21("6","5","3","1","2","4","1","1") = "5"
    & skf21("6","5","3","1","2","4","2","1") = "5"
    & skf21("6","5","3","1","2","4","3","1") = "5"
    & skf21("6","5","3","1","2","4","4","1") = "5"
    & skf21("6","5","3","1","2","4","5","1") = "5"
    & skf21("6","5","3","1","2","4","6","1") = "5"
    & skf21("6","5","3","1","2","4","7","1") = "6"
    & skf21("6","5","3","1","2","5","1","1") = "5"
    & skf21("6","5","3","1","2","5","2","1") = "5"
    & skf21("6","5","3","1","2","5","3","1") = "5"
    & skf21("6","5","3","1","2","5","4","1") = "5"
    & skf21("6","5","3","1","2","5","5","1") = "5"
    & skf21("6","5","3","1","2","5","6","1") = "5"
    & skf21("6","5","3","1","2","5","7","1") = "6"
    & skf21("6","5","3","1","2","6","1","1") = "5"
    & skf21("6","5","3","1","2","6","2","1") = "5"
    & skf21("6","5","3","1","2","6","3","1") = "5"
    & skf21("6","5","3","1","2","6","4","1") = "5"
    & skf21("6","5","3","1","2","6","5","1") = "5"
    & skf21("6","5","3","1","2","6","6","1") = "5"
    & skf21("6","5","3","1","2","6","7","1") = "6"
    & skf21("6","5","3","1","2","7","1","1") = "6"
    & skf21("6","5","3","1","2","7","2","1") = "6"
    & skf21("6","5","3","1","2","7","3","1") = "6"
    & skf21("6","5","3","1","2","7","4","1") = "6"
    & skf21("6","5","3","1","2","7","5","1") = "6"
    & skf21("6","5","3","1","2","7","6","1") = "6"
    & skf21("6","5","3","1","2","7","7","1") = "6"
    & skf21("6","5","3","1","3","1","1","1") = "5"
    & skf21("6","5","3","1","3","1","2","1") = "5"
    & skf21("6","5","3","1","3","1","3","1") = "5"
    & skf21("6","5","3","1","3","1","4","1") = "5"
    & skf21("6","5","3","1","3","1","5","1") = "5"
    & skf21("6","5","3","1","3","1","6","1") = "5"
    & skf21("6","5","3","1","3","1","7","1") = "6"
    & skf21("6","5","3","1","3","2","1","1") = "5"
    & skf21("6","5","3","1","3","2","2","1") = "5"
    & skf21("6","5","3","1","3","2","3","1") = "5"
    & skf21("6","5","3","1","3","2","4","1") = "5"
    & skf21("6","5","3","1","3","2","5","1") = "5"
    & skf21("6","5","3","1","3","2","6","1") = "5"
    & skf21("6","5","3","1","3","2","7","1") = "6"
    & skf21("6","5","3","1","3","3","1","1") = "5"
    & skf21("6","5","3","1","3","3","2","1") = "5"
    & skf21("6","5","3","1","3","3","3","1") = "5"
    & skf21("6","5","3","1","3","3","4","1") = "5"
    & skf21("6","5","3","1","3","3","5","1") = "5"
    & skf21("6","5","3","1","3","3","6","1") = "5"
    & skf21("6","5","3","1","3","3","7","1") = "6"
    & skf21("6","5","3","1","3","4","1","1") = "5"
    & skf21("6","5","3","1","3","4","2","1") = "5"
    & skf21("6","5","3","1","3","4","3","1") = "5"
    & skf21("6","5","3","1","3","4","4","1") = "5"
    & skf21("6","5","3","1","3","4","5","1") = "5"
    & skf21("6","5","3","1","3","4","6","1") = "5"
    & skf21("6","5","3","1","3","4","7","1") = "6"
    & skf21("6","5","3","1","3","5","1","1") = "5"
    & skf21("6","5","3","1","3","5","2","1") = "5"
    & skf21("6","5","3","1","3","5","3","1") = "5"
    & skf21("6","5","3","1","3","5","4","1") = "5"
    & skf21("6","5","3","1","3","5","5","1") = "5"
    & skf21("6","5","3","1","3","5","6","1") = "5"
    & skf21("6","5","3","1","3","5","7","1") = "6"
    & skf21("6","5","3","1","3","6","1","1") = "5"
    & skf21("6","5","3","1","3","6","2","1") = "5"
    & skf21("6","5","3","1","3","6","3","1") = "5"
    & skf21("6","5","3","1","3","6","4","1") = "5"
    & skf21("6","5","3","1","3","6","5","1") = "5"
    & skf21("6","5","3","1","3","6","6","1") = "5"
    & skf21("6","5","3","1","3","6","7","1") = "6"
    & skf21("6","5","3","1","3","7","1","1") = "6"
    & skf21("6","5","3","1","3","7","2","1") = "6"
    & skf21("6","5","3","1","3","7","3","1") = "6"
    & skf21("6","5","3","1","3","7","4","1") = "6"
    & skf21("6","5","3","1","3","7","5","1") = "6"
    & skf21("6","5","3","1","3","7","6","1") = "6"
    & skf21("6","5","3","1","3","7","7","1") = "6"
    & skf21("6","5","3","1","4","1","1","1") = "5"
    & skf21("6","5","3","1","4","1","2","1") = "5"
    & skf21("6","5","3","1","4","1","3","1") = "5"
    & skf21("6","5","3","1","4","1","4","1") = "5"
    & skf21("6","5","3","1","4","1","5","1") = "5"
    & skf21("6","5","3","1","4","1","6","1") = "5"
    & skf21("6","5","3","1","4","1","7","1") = "6"
    & skf21("6","5","3","1","4","2","1","1") = "5"
    & skf21("6","5","3","1","4","2","2","1") = "5"
    & skf21("6","5","3","1","4","2","3","1") = "5"
    & skf21("6","5","3","1","4","2","4","1") = "5"
    & skf21("6","5","3","1","4","2","5","1") = "5"
    & skf21("6","5","3","1","4","2","6","1") = "5"
    & skf21("6","5","3","1","4","2","7","1") = "6"
    & skf21("6","5","3","1","4","3","1","1") = "5"
    & skf21("6","5","3","1","4","3","2","1") = "5"
    & skf21("6","5","3","1","4","3","3","1") = "5"
    & skf21("6","5","3","1","4","3","4","1") = "5"
    & skf21("6","5","3","1","4","3","5","1") = "5"
    & skf21("6","5","3","1","4","3","6","1") = "5"
    & skf21("6","5","3","1","4","3","7","1") = "6"
    & skf21("6","5","3","1","4","4","1","1") = "5"
    & skf21("6","5","3","1","4","4","2","1") = "5"
    & skf21("6","5","3","1","4","4","3","1") = "5"
    & skf21("6","5","3","1","4","4","4","1") = "5"
    & skf21("6","5","3","1","4","4","5","1") = "5"
    & skf21("6","5","3","1","4","4","6","1") = "5"
    & skf21("6","5","3","1","4","4","7","1") = "6"
    & skf21("6","5","3","1","4","5","1","1") = "5"
    & skf21("6","5","3","1","4","5","2","1") = "5"
    & skf21("6","5","3","1","4","5","3","1") = "5"
    & skf21("6","5","3","1","4","5","4","1") = "5"
    & skf21("6","5","3","1","4","5","5","1") = "5"
    & skf21("6","5","3","1","4","5","6","1") = "5"
    & skf21("6","5","3","1","4","5","7","1") = "6"
    & skf21("6","5","3","1","4","6","1","1") = "5"
    & skf21("6","5","3","1","4","6","2","1") = "5"
    & skf21("6","5","3","1","4","6","3","1") = "5"
    & skf21("6","5","3","1","4","6","4","1") = "5"
    & skf21("6","5","3","1","4","6","5","1") = "5"
    & skf21("6","5","3","1","4","6","6","1") = "5"
    & skf21("6","5","3","1","4","6","7","1") = "6"
    & skf21("6","5","3","1","4","7","1","1") = "6"
    & skf21("6","5","3","1","4","7","2","1") = "6"
    & skf21("6","5","3","1","4","7","3","1") = "6"
    & skf21("6","5","3","1","4","7","4","1") = "6"
    & skf21("6","5","3","1","4","7","5","1") = "6"
    & skf21("6","5","3","1","4","7","6","1") = "6"
    & skf21("6","5","3","1","4","7","7","1") = "6"
    & skf21("6","5","3","1","5","1","1","1") = "5"
    & skf21("6","5","3","1","5","1","2","1") = "5"
    & skf21("6","5","3","1","5","1","3","1") = "5"
    & skf21("6","5","3","1","5","1","4","1") = "5"
    & skf21("6","5","3","1","5","1","5","1") = "5"
    & skf21("6","5","3","1","5","1","6","1") = "5"
    & skf21("6","5","3","1","5","1","7","1") = "6"
    & skf21("6","5","3","1","5","2","1","1") = "5"
    & skf21("6","5","3","1","5","2","2","1") = "5"
    & skf21("6","5","3","1","5","2","3","1") = "5"
    & skf21("6","5","3","1","5","2","4","1") = "5"
    & skf21("6","5","3","1","5","2","5","1") = "5"
    & skf21("6","5","3","1","5","2","6","1") = "5"
    & skf21("6","5","3","1","5","2","7","1") = "6"
    & skf21("6","5","3","1","5","3","1","1") = "5"
    & skf21("6","5","3","1","5","3","2","1") = "5"
    & skf21("6","5","3","1","5","3","3","1") = "5"
    & skf21("6","5","3","1","5","3","4","1") = "5"
    & skf21("6","5","3","1","5","3","5","1") = "5"
    & skf21("6","5","3","1","5","3","6","1") = "5"
    & skf21("6","5","3","1","5","3","7","1") = "6"
    & skf21("6","5","3","1","5","4","1","1") = "5"
    & skf21("6","5","3","1","5","4","2","1") = "5"
    & skf21("6","5","3","1","5","4","3","1") = "5"
    & skf21("6","5","3","1","5","4","4","1") = "5"
    & skf21("6","5","3","1","5","4","5","1") = "5"
    & skf21("6","5","3","1","5","4","6","1") = "5"
    & skf21("6","5","3","1","5","4","7","1") = "6"
    & skf21("6","5","3","1","5","5","1","1") = "5"
    & skf21("6","5","3","1","5","5","2","1") = "5"
    & skf21("6","5","3","1","5","5","3","1") = "5"
    & skf21("6","5","3","1","5","5","4","1") = "5"
    & skf21("6","5","3","1","5","5","5","1") = "5"
    & skf21("6","5","3","1","5","5","6","1") = "5"
    & skf21("6","5","3","1","5","5","7","1") = "6"
    & skf21("6","5","3","1","5","6","1","1") = "5"
    & skf21("6","5","3","1","5","6","2","1") = "5"
    & skf21("6","5","3","1","5","6","3","1") = "5"
    & skf21("6","5","3","1","5","6","4","1") = "5"
    & skf21("6","5","3","1","5","6","5","1") = "5"
    & skf21("6","5","3","1","5","6","6","1") = "5"
    & skf21("6","5","3","1","5","6","7","1") = "6"
    & skf21("6","5","3","1","5","7","1","1") = "6"
    & skf21("6","5","3","1","5","7","2","1") = "6"
    & skf21("6","5","3","1","5","7","3","1") = "6"
    & skf21("6","5","3","1","5","7","4","1") = "6"
    & skf21("6","5","3","1","5","7","5","1") = "6"
    & skf21("6","5","3","1","5","7","6","1") = "6"
    & skf21("6","5","3","1","5","7","7","1") = "6"
    & skf21("6","5","3","1","6","1","1","1") = "5"
    & skf21("6","5","3","1","6","1","2","1") = "5"
    & skf21("6","5","3","1","6","1","3","1") = "5"
    & skf21("6","5","3","1","6","1","4","1") = "5"
    & skf21("6","5","3","1","6","1","5","1") = "5"
    & skf21("6","5","3","1","6","1","6","1") = "5"
    & skf21("6","5","3","1","6","1","7","1") = "6"
    & skf21("6","5","3","1","6","2","1","1") = "5"
    & skf21("6","5","3","1","6","2","2","1") = "5"
    & skf21("6","5","3","1","6","2","3","1") = "5"
    & skf21("6","5","3","1","6","2","4","1") = "5"
    & skf21("6","5","3","1","6","2","5","1") = "5"
    & skf21("6","5","3","1","6","2","6","1") = "5"
    & skf21("6","5","3","1","6","2","7","1") = "6"
    & skf21("6","5","3","1","6","3","1","1") = "5"
    & skf21("6","5","3","1","6","3","2","1") = "5"
    & skf21("6","5","3","1","6","3","3","1") = "5"
    & skf21("6","5","3","1","6","3","4","1") = "5"
    & skf21("6","5","3","1","6","3","5","1") = "5"
    & skf21("6","5","3","1","6","3","6","1") = "5"
    & skf21("6","5","3","1","6","3","7","1") = "6"
    & skf21("6","5","3","1","6","4","1","1") = "5"
    & skf21("6","5","3","1","6","4","2","1") = "5"
    & skf21("6","5","3","1","6","4","3","1") = "5"
    & skf21("6","5","3","1","6","4","4","1") = "5"
    & skf21("6","5","3","1","6","4","5","1") = "5"
    & skf21("6","5","3","1","6","4","6","1") = "5"
    & skf21("6","5","3","1","6","4","7","1") = "6"
    & skf21("6","5","3","1","6","5","1","1") = "5"
    & skf21("6","5","3","1","6","5","2","1") = "5"
    & skf21("6","5","3","1","6","5","3","1") = "5"
    & skf21("6","5","3","1","6","5","4","1") = "5"
    & skf21("6","5","3","1","6","5","5","1") = "5"
    & skf21("6","5","3","1","6","5","6","1") = "5"
    & skf21("6","5","3","1","6","5","7","1") = "6"
    & skf21("6","5","3","1","6","6","1","1") = "5"
    & skf21("6","5","3","1","6","6","2","1") = "5"
    & skf21("6","5","3","1","6","6","3","1") = "5"
    & skf21("6","5","3","1","6","6","4","1") = "5"
    & skf21("6","5","3","1","6","6","5","1") = "5"
    & skf21("6","5","3","1","6","6","6","1") = "5"
    & skf21("6","5","3","1","6","6","7","1") = "6"
    & skf21("6","5","3","1","6","7","1","1") = "6"
    & skf21("6","5","3","1","6","7","2","1") = "6"
    & skf21("6","5","3","1","6","7","3","1") = "6"
    & skf21("6","5","3","1","6","7","4","1") = "6"
    & skf21("6","5","3","1","6","7","5","1") = "6"
    & skf21("6","5","3","1","6","7","6","1") = "6"
    & skf21("6","5","3","1","6","7","7","1") = "6"
    & skf21("6","5","3","1","7","1","1","1") = "6"
    & skf21("6","5","3","1","7","1","2","1") = "6"
    & skf21("6","5","3","1","7","1","3","1") = "6"
    & skf21("6","5","3","1","7","1","4","1") = "6"
    & skf21("6","5","3","1","7","1","5","1") = "6"
    & skf21("6","5","3","1","7","1","6","1") = "6"
    & skf21("6","5","3","1","7","1","7","1") = "6"
    & skf21("6","5","3","1","7","2","1","1") = "6"
    & skf21("6","5","3","1","7","2","2","1") = "6"
    & skf21("6","5","3","1","7","2","3","1") = "6"
    & skf21("6","5","3","1","7","2","4","1") = "6"
    & skf21("6","5","3","1","7","2","5","1") = "6"
    & skf21("6","5","3","1","7","2","6","1") = "6"
    & skf21("6","5","3","1","7","2","7","1") = "6"
    & skf21("6","5","3","1","7","3","1","1") = "6"
    & skf21("6","5","3","1","7","3","2","1") = "6"
    & skf21("6","5","3","1","7","3","3","1") = "6"
    & skf21("6","5","3","1","7","3","4","1") = "6"
    & skf21("6","5","3","1","7","3","5","1") = "6"
    & skf21("6","5","3","1","7","3","6","1") = "6"
    & skf21("6","5","3","1","7","3","7","1") = "6"
    & skf21("6","5","3","1","7","4","1","1") = "6"
    & skf21("6","5","3","1","7","4","2","1") = "6"
    & skf21("6","5","3","1","7","4","3","1") = "6"
    & skf21("6","5","3","1","7","4","4","1") = "6"
    & skf21("6","5","3","1","7","4","5","1") = "6"
    & skf21("6","5","3","1","7","4","6","1") = "6"
    & skf21("6","5","3","1","7","4","7","1") = "6"
    & skf21("6","5","3","1","7","5","1","1") = "6"
    & skf21("6","5","3","1","7","5","2","1") = "6"
    & skf21("6","5","3","1","7","5","3","1") = "6"
    & skf21("6","5","3","1","7","5","4","1") = "6"
    & skf21("6","5","3","1","7","5","5","1") = "6"
    & skf21("6","5","3","1","7","5","6","1") = "6"
    & skf21("6","5","3","1","7","5","7","1") = "6"
    & skf21("6","5","3","1","7","6","1","1") = "6"
    & skf21("6","5","3","1","7","6","2","1") = "6"
    & skf21("6","5","3","1","7","6","3","1") = "6"
    & skf21("6","5","3","1","7","6","4","1") = "6"
    & skf21("6","5","3","1","7","6","5","1") = "6"
    & skf21("6","5","3","1","7","6","6","1") = "6"
    & skf21("6","5","3","1","7","6","7","1") = "6"
    & skf21("6","5","3","1","7","7","1","1") = "6"
    & skf21("6","5","3","1","7","7","2","1") = "6"
    & skf21("6","5","3","1","7","7","3","1") = "6"
    & skf21("6","5","3","1","7","7","4","1") = "6"
    & skf21("6","5","3","1","7","7","5","1") = "6"
    & skf21("6","5","3","1","7","7","6","1") = "6"
    & skf21("6","5","3","1","7","7","7","1") = "6"
    & skf21("6","5","3","2","1","1","1","1") = "5"
    & skf21("6","5","3","2","1","1","2","1") = "5"
    & skf21("6","5","3","2","1","1","3","1") = "5"
    & skf21("6","5","3","2","1","1","4","1") = "5"
    & skf21("6","5","3","2","1","1","5","1") = "5"
    & skf21("6","5","3","2","1","1","6","1") = "5"
    & skf21("6","5","3","2","1","1","7","1") = "6"
    & skf21("6","5","3","2","1","2","1","1") = "5"
    & skf21("6","5","3","2","1","2","2","1") = "5"
    & skf21("6","5","3","2","1","2","3","1") = "5"
    & skf21("6","5","3","2","1","2","4","1") = "5"
    & skf21("6","5","3","2","1","2","5","1") = "5"
    & skf21("6","5","3","2","1","2","6","1") = "5"
    & skf21("6","5","3","2","1","2","7","1") = "6"
    & skf21("6","5","3","2","1","3","1","1") = "5"
    & skf21("6","5","3","2","1","3","2","1") = "5"
    & skf21("6","5","3","2","1","3","3","1") = "5"
    & skf21("6","5","3","2","1","3","4","1") = "5"
    & skf21("6","5","3","2","1","3","5","1") = "5"
    & skf21("6","5","3","2","1","3","6","1") = "5"
    & skf21("6","5","3","2","1","3","7","1") = "6"
    & skf21("6","5","3","2","1","4","1","1") = "5"
    & skf21("6","5","3","2","1","4","2","1") = "5"
    & skf21("6","5","3","2","1","4","3","1") = "5"
    & skf21("6","5","3","2","1","4","4","1") = "5"
    & skf21("6","5","3","2","1","4","5","1") = "5"
    & skf21("6","5","3","2","1","4","6","1") = "5"
    & skf21("6","5","3","2","1","4","7","1") = "6"
    & skf21("6","5","3","2","1","5","1","1") = "5"
    & skf21("6","5","3","2","1","5","2","1") = "5"
    & skf21("6","5","3","2","1","5","3","1") = "5"
    & skf21("6","5","3","2","1","5","4","1") = "5"
    & skf21("6","5","3","2","1","5","5","1") = "5"
    & skf21("6","5","3","2","1","5","6","1") = "5"
    & skf21("6","5","3","2","1","5","7","1") = "6"
    & skf21("6","5","3","2","1","6","1","1") = "5"
    & skf21("6","5","3","2","1","6","2","1") = "5"
    & skf21("6","5","3","2","1","6","3","1") = "5"
    & skf21("6","5","3","2","1","6","4","1") = "5"
    & skf21("6","5","3","2","1","6","5","1") = "5"
    & skf21("6","5","3","2","1","6","6","1") = "5"
    & skf21("6","5","3","2","1","6","7","1") = "6"
    & skf21("6","5","3","2","1","7","1","1") = "6"
    & skf21("6","5","3","2","1","7","2","1") = "6"
    & skf21("6","5","3","2","1","7","3","1") = "6"
    & skf21("6","5","3","2","1","7","4","1") = "6"
    & skf21("6","5","3","2","1","7","5","1") = "6"
    & skf21("6","5","3","2","1","7","6","1") = "6"
    & skf21("6","5","3","2","1","7","7","1") = "6"
    & skf21("6","5","3","2","2","1","1","1") = "5"
    & skf21("6","5","3","2","2","1","2","1") = "5"
    & skf21("6","5","3","2","2","1","3","1") = "5"
    & skf21("6","5","3","2","2","1","4","1") = "5"
    & skf21("6","5","3","2","2","1","5","1") = "5"
    & skf21("6","5","3","2","2","1","6","1") = "5"
    & skf21("6","5","3","2","2","1","7","1") = "6"
    & skf21("6","5","3","2","2","2","1","1") = "5"
    & skf21("6","5","3","2","2","2","2","1") = "5"
    & skf21("6","5","3","2","2","2","3","1") = "5"
    & skf21("6","5","3","2","2","2","4","1") = "5"
    & skf21("6","5","3","2","2","2","5","1") = "5"
    & skf21("6","5","3","2","2","2","6","1") = "5"
    & skf21("6","5","3","2","2","2","7","1") = "6"
    & skf21("6","5","3","2","2","3","1","1") = "5"
    & skf21("6","5","3","2","2","3","2","1") = "5"
    & skf21("6","5","3","2","2","3","3","1") = "5"
    & skf21("6","5","3","2","2","3","4","1") = "5"
    & skf21("6","5","3","2","2","3","5","1") = "5"
    & skf21("6","5","3","2","2","3","6","1") = "5"
    & skf21("6","5","3","2","2","3","7","1") = "6"
    & skf21("6","5","3","2","2","4","1","1") = "5"
    & skf21("6","5","3","2","2","4","2","1") = "5"
    & skf21("6","5","3","2","2","4","3","1") = "5"
    & skf21("6","5","3","2","2","4","4","1") = "5"
    & skf21("6","5","3","2","2","4","5","1") = "5"
    & skf21("6","5","3","2","2","4","6","1") = "5"
    & skf21("6","5","3","2","2","4","7","1") = "6"
    & skf21("6","5","3","2","2","5","1","1") = "5"
    & skf21("6","5","3","2","2","5","2","1") = "5"
    & skf21("6","5","3","2","2","5","3","1") = "5"
    & skf21("6","5","3","2","2","5","4","1") = "5"
    & skf21("6","5","3","2","2","5","5","1") = "5"
    & skf21("6","5","3","2","2","5","6","1") = "5"
    & skf21("6","5","3","2","2","5","7","1") = "6"
    & skf21("6","5","3","2","2","6","1","1") = "5"
    & skf21("6","5","3","2","2","6","2","1") = "5"
    & skf21("6","5","3","2","2","6","3","1") = "5"
    & skf21("6","5","3","2","2","6","4","1") = "5"
    & skf21("6","5","3","2","2","6","5","1") = "5"
    & skf21("6","5","3","2","2","6","6","1") = "5"
    & skf21("6","5","3","2","2","6","7","1") = "6"
    & skf21("6","5","3","2","2","7","1","1") = "6"
    & skf21("6","5","3","2","2","7","2","1") = "6"
    & skf21("6","5","3","2","2","7","3","1") = "6"
    & skf21("6","5","3","2","2","7","4","1") = "6"
    & skf21("6","5","3","2","2","7","5","1") = "6"
    & skf21("6","5","3","2","2","7","6","1") = "6"
    & skf21("6","5","3","2","2","7","7","1") = "6"
    & skf21("6","5","3","2","3","1","1","1") = "5"
    & skf21("6","5","3","2","3","1","2","1") = "5"
    & skf21("6","5","3","2","3","1","3","1") = "5"
    & skf21("6","5","3","2","3","1","4","1") = "5"
    & skf21("6","5","3","2","3","1","5","1") = "5"
    & skf21("6","5","3","2","3","1","6","1") = "5"
    & skf21("6","5","3","2","3","1","7","1") = "6"
    & skf21("6","5","3","2","3","2","1","1") = "5"
    & skf21("6","5","3","2","3","2","2","1") = "5"
    & skf21("6","5","3","2","3","2","3","1") = "5"
    & skf21("6","5","3","2","3","2","4","1") = "5"
    & skf21("6","5","3","2","3","2","5","1") = "5"
    & skf21("6","5","3","2","3","2","6","1") = "5"
    & skf21("6","5","3","2","3","2","7","1") = "6"
    & skf21("6","5","3","2","3","3","1","1") = "5"
    & skf21("6","5","3","2","3","3","2","1") = "5"
    & skf21("6","5","3","2","3","3","3","1") = "5"
    & skf21("6","5","3","2","3","3","4","1") = "5"
    & skf21("6","5","3","2","3","3","5","1") = "5"
    & skf21("6","5","3","2","3","3","6","1") = "5"
    & skf21("6","5","3","2","3","3","7","1") = "6"
    & skf21("6","5","3","2","3","4","1","1") = "5"
    & skf21("6","5","3","2","3","4","2","1") = "5"
    & skf21("6","5","3","2","3","4","3","1") = "5"
    & skf21("6","5","3","2","3","4","4","1") = "5"
    & skf21("6","5","3","2","3","4","5","1") = "5"
    & skf21("6","5","3","2","3","4","6","1") = "5"
    & skf21("6","5","3","2","3","4","7","1") = "6"
    & skf21("6","5","3","2","3","5","1","1") = "5"
    & skf21("6","5","3","2","3","5","2","1") = "5"
    & skf21("6","5","3","2","3","5","3","1") = "5"
    & skf21("6","5","3","2","3","5","4","1") = "5"
    & skf21("6","5","3","2","3","5","5","1") = "5"
    & skf21("6","5","3","2","3","5","6","1") = "5"
    & skf21("6","5","3","2","3","5","7","1") = "6"
    & skf21("6","5","3","2","3","6","1","1") = "5"
    & skf21("6","5","3","2","3","6","2","1") = "5"
    & skf21("6","5","3","2","3","6","3","1") = "5"
    & skf21("6","5","3","2","3","6","4","1") = "5"
    & skf21("6","5","3","2","3","6","5","1") = "5"
    & skf21("6","5","3","2","3","6","6","1") = "5"
    & skf21("6","5","3","2","3","6","7","1") = "6"
    & skf21("6","5","3","2","3","7","1","1") = "6"
    & skf21("6","5","3","2","3","7","2","1") = "6"
    & skf21("6","5","3","2","3","7","3","1") = "6"
    & skf21("6","5","3","2","3","7","4","1") = "6"
    & skf21("6","5","3","2","3","7","5","1") = "6"
    & skf21("6","5","3","2","3","7","6","1") = "6"
    & skf21("6","5","3","2","3","7","7","1") = "6"
    & skf21("6","5","3","2","4","1","1","1") = "5"
    & skf21("6","5","3","2","4","1","2","1") = "5"
    & skf21("6","5","3","2","4","1","3","1") = "5"
    & skf21("6","5","3","2","4","1","4","1") = "5"
    & skf21("6","5","3","2","4","1","5","1") = "5"
    & skf21("6","5","3","2","4","1","6","1") = "5"
    & skf21("6","5","3","2","4","1","7","1") = "6"
    & skf21("6","5","3","2","4","2","1","1") = "5"
    & skf21("6","5","3","2","4","2","2","1") = "5"
    & skf21("6","5","3","2","4","2","3","1") = "5"
    & skf21("6","5","3","2","4","2","4","1") = "5"
    & skf21("6","5","3","2","4","2","5","1") = "5"
    & skf21("6","5","3","2","4","2","6","1") = "5"
    & skf21("6","5","3","2","4","2","7","1") = "6"
    & skf21("6","5","3","2","4","3","1","1") = "5"
    & skf21("6","5","3","2","4","3","2","1") = "5"
    & skf21("6","5","3","2","4","3","3","1") = "5"
    & skf21("6","5","3","2","4","3","4","1") = "5"
    & skf21("6","5","3","2","4","3","5","1") = "5"
    & skf21("6","5","3","2","4","3","6","1") = "5"
    & skf21("6","5","3","2","4","3","7","1") = "6"
    & skf21("6","5","3","2","4","4","1","1") = "5"
    & skf21("6","5","3","2","4","4","2","1") = "5"
    & skf21("6","5","3","2","4","4","3","1") = "5"
    & skf21("6","5","3","2","4","4","4","1") = "5"
    & skf21("6","5","3","2","4","4","5","1") = "5"
    & skf21("6","5","3","2","4","4","6","1") = "5"
    & skf21("6","5","3","2","4","4","7","1") = "6"
    & skf21("6","5","3","2","4","5","1","1") = "5"
    & skf21("6","5","3","2","4","5","2","1") = "5"
    & skf21("6","5","3","2","4","5","3","1") = "5"
    & skf21("6","5","3","2","4","5","4","1") = "5"
    & skf21("6","5","3","2","4","5","5","1") = "5"
    & skf21("6","5","3","2","4","5","6","1") = "5"
    & skf21("6","5","3","2","4","5","7","1") = "6"
    & skf21("6","5","3","2","4","6","1","1") = "5"
    & skf21("6","5","3","2","4","6","2","1") = "5"
    & skf21("6","5","3","2","4","6","3","1") = "5"
    & skf21("6","5","3","2","4","6","4","1") = "5"
    & skf21("6","5","3","2","4","6","5","1") = "5"
    & skf21("6","5","3","2","4","6","6","1") = "5"
    & skf21("6","5","3","2","4","6","7","1") = "6"
    & skf21("6","5","3","2","4","7","1","1") = "6"
    & skf21("6","5","3","2","4","7","2","1") = "6"
    & skf21("6","5","3","2","4","7","3","1") = "6"
    & skf21("6","5","3","2","4","7","4","1") = "6"
    & skf21("6","5","3","2","4","7","5","1") = "6"
    & skf21("6","5","3","2","4","7","6","1") = "6"
    & skf21("6","5","3","2","4","7","7","1") = "6"
    & skf21("6","5","3","2","5","1","1","1") = "5"
    & skf21("6","5","3","2","5","1","2","1") = "5"
    & skf21("6","5","3","2","5","1","3","1") = "5"
    & skf21("6","5","3","2","5","1","4","1") = "5"
    & skf21("6","5","3","2","5","1","5","1") = "5"
    & skf21("6","5","3","2","5","1","6","1") = "5"
    & skf21("6","5","3","2","5","1","7","1") = "6"
    & skf21("6","5","3","2","5","2","1","1") = "5"
    & skf21("6","5","3","2","5","2","2","1") = "5"
    & skf21("6","5","3","2","5","2","3","1") = "5"
    & skf21("6","5","3","2","5","2","4","1") = "5"
    & skf21("6","5","3","2","5","2","5","1") = "5"
    & skf21("6","5","3","2","5","2","6","1") = "5"
    & skf21("6","5","3","2","5","2","7","1") = "6"
    & skf21("6","5","3","2","5","3","1","1") = "5"
    & skf21("6","5","3","2","5","3","2","1") = "5"
    & skf21("6","5","3","2","5","3","3","1") = "5"
    & skf21("6","5","3","2","5","3","4","1") = "5"
    & skf21("6","5","3","2","5","3","5","1") = "5"
    & skf21("6","5","3","2","5","3","6","1") = "5"
    & skf21("6","5","3","2","5","3","7","1") = "6"
    & skf21("6","5","3","2","5","4","1","1") = "5"
    & skf21("6","5","3","2","5","4","2","1") = "5"
    & skf21("6","5","3","2","5","4","3","1") = "5"
    & skf21("6","5","3","2","5","4","4","1") = "5"
    & skf21("6","5","3","2","5","4","5","1") = "5"
    & skf21("6","5","3","2","5","4","6","1") = "5"
    & skf21("6","5","3","2","5","4","7","1") = "6"
    & skf21("6","5","3","2","5","5","1","1") = "5"
    & skf21("6","5","3","2","5","5","2","1") = "5"
    & skf21("6","5","3","2","5","5","3","1") = "5"
    & skf21("6","5","3","2","5","5","4","1") = "5"
    & skf21("6","5","3","2","5","5","5","1") = "5"
    & skf21("6","5","3","2","5","5","6","1") = "5"
    & skf21("6","5","3","2","5","5","7","1") = "6"
    & skf21("6","5","3","2","5","6","1","1") = "5"
    & skf21("6","5","3","2","5","6","2","1") = "5"
    & skf21("6","5","3","2","5","6","3","1") = "5"
    & skf21("6","5","3","2","5","6","4","1") = "5"
    & skf21("6","5","3","2","5","6","5","1") = "5"
    & skf21("6","5","3","2","5","6","6","1") = "5"
    & skf21("6","5","3","2","5","6","7","1") = "6"
    & skf21("6","5","3","2","5","7","1","1") = "6"
    & skf21("6","5","3","2","5","7","2","1") = "6"
    & skf21("6","5","3","2","5","7","3","1") = "6"
    & skf21("6","5","3","2","5","7","4","1") = "6"
    & skf21("6","5","3","2","5","7","5","1") = "6"
    & skf21("6","5","3","2","5","7","6","1") = "6"
    & skf21("6","5","3","2","5","7","7","1") = "6"
    & skf21("6","5","3","2","6","1","1","1") = "5"
    & skf21("6","5","3","2","6","1","2","1") = "5"
    & skf21("6","5","3","2","6","1","3","1") = "5"
    & skf21("6","5","3","2","6","1","4","1") = "5"
    & skf21("6","5","3","2","6","1","5","1") = "5"
    & skf21("6","5","3","2","6","1","6","1") = "5"
    & skf21("6","5","3","2","6","1","7","1") = "6"
    & skf21("6","5","3","2","6","2","1","1") = "5"
    & skf21("6","5","3","2","6","2","2","1") = "5"
    & skf21("6","5","3","2","6","2","3","1") = "5"
    & skf21("6","5","3","2","6","2","4","1") = "5"
    & skf21("6","5","3","2","6","2","5","1") = "5"
    & skf21("6","5","3","2","6","2","6","1") = "5"
    & skf21("6","5","3","2","6","2","7","1") = "6"
    & skf21("6","5","3","2","6","3","1","1") = "5"
    & skf21("6","5","3","2","6","3","2","1") = "5"
    & skf21("6","5","3","2","6","3","3","1") = "5"
    & skf21("6","5","3","2","6","3","4","1") = "5"
    & skf21("6","5","3","2","6","3","5","1") = "5"
    & skf21("6","5","3","2","6","3","6","1") = "5"
    & skf21("6","5","3","2","6","3","7","1") = "6"
    & skf21("6","5","3","2","6","4","1","1") = "5"
    & skf21("6","5","3","2","6","4","2","1") = "5"
    & skf21("6","5","3","2","6","4","3","1") = "5"
    & skf21("6","5","3","2","6","4","4","1") = "5"
    & skf21("6","5","3","2","6","4","5","1") = "5"
    & skf21("6","5","3","2","6","4","6","1") = "5"
    & skf21("6","5","3","2","6","4","7","1") = "6"
    & skf21("6","5","3","2","6","5","1","1") = "5"
    & skf21("6","5","3","2","6","5","2","1") = "5"
    & skf21("6","5","3","2","6","5","3","1") = "5"
    & skf21("6","5","3","2","6","5","4","1") = "5"
    & skf21("6","5","3","2","6","5","5","1") = "5"
    & skf21("6","5","3","2","6","5","6","1") = "5"
    & skf21("6","5","3","2","6","5","7","1") = "6"
    & skf21("6","5","3","2","6","6","1","1") = "5"
    & skf21("6","5","3","2","6","6","2","1") = "5"
    & skf21("6","5","3","2","6","6","3","1") = "5"
    & skf21("6","5","3","2","6","6","4","1") = "5"
    & skf21("6","5","3","2","6","6","5","1") = "5"
    & skf21("6","5","3","2","6","6","6","1") = "5"
    & skf21("6","5","3","2","6","6","7","1") = "6"
    & skf21("6","5","3","2","6","7","1","1") = "6"
    & skf21("6","5","3","2","6","7","2","1") = "6"
    & skf21("6","5","3","2","6","7","3","1") = "6"
    & skf21("6","5","3","2","6","7","4","1") = "6"
    & skf21("6","5","3","2","6","7","5","1") = "6"
    & skf21("6","5","3","2","6","7","6","1") = "6"
    & skf21("6","5","3","2","6","7","7","1") = "6"
    & skf21("6","5","3","2","7","1","1","1") = "6"
    & skf21("6","5","3","2","7","1","2","1") = "6"
    & skf21("6","5","3","2","7","1","3","1") = "6"
    & skf21("6","5","3","2","7","1","4","1") = "6"
    & skf21("6","5","3","2","7","1","5","1") = "6"
    & skf21("6","5","3","2","7","1","6","1") = "6"
    & skf21("6","5","3","2","7","1","7","1") = "6"
    & skf21("6","5","3","2","7","2","1","1") = "6"
    & skf21("6","5","3","2","7","2","2","1") = "6"
    & skf21("6","5","3","2","7","2","3","1") = "6"
    & skf21("6","5","3","2","7","2","4","1") = "6"
    & skf21("6","5","3","2","7","2","5","1") = "6"
    & skf21("6","5","3","2","7","2","6","1") = "6"
    & skf21("6","5","3","2","7","2","7","1") = "6"
    & skf21("6","5","3","2","7","3","1","1") = "6"
    & skf21("6","5","3","2","7","3","2","1") = "6"
    & skf21("6","5","3","2","7","3","3","1") = "6"
    & skf21("6","5","3","2","7","3","4","1") = "6"
    & skf21("6","5","3","2","7","3","5","1") = "6"
    & skf21("6","5","3","2","7","3","6","1") = "6"
    & skf21("6","5","3","2","7","3","7","1") = "6"
    & skf21("6","5","3","2","7","4","1","1") = "6"
    & skf21("6","5","3","2","7","4","2","1") = "6"
    & skf21("6","5","3","2","7","4","3","1") = "6"
    & skf21("6","5","3","2","7","4","4","1") = "6"
    & skf21("6","5","3","2","7","4","5","1") = "6"
    & skf21("6","5","3","2","7","4","6","1") = "6"
    & skf21("6","5","3","2","7","4","7","1") = "6"
    & skf21("6","5","3","2","7","5","1","1") = "6"
    & skf21("6","5","3","2","7","5","2","1") = "6"
    & skf21("6","5","3","2","7","5","3","1") = "6"
    & skf21("6","5","3","2","7","5","4","1") = "6"
    & skf21("6","5","3","2","7","5","5","1") = "6"
    & skf21("6","5","3","2","7","5","6","1") = "6"
    & skf21("6","5","3","2","7","5","7","1") = "6"
    & skf21("6","5","3","2","7","6","1","1") = "6"
    & skf21("6","5","3","2","7","6","2","1") = "6"
    & skf21("6","5","3","2","7","6","3","1") = "6"
    & skf21("6","5","3","2","7","6","4","1") = "6"
    & skf21("6","5","3","2","7","6","5","1") = "6"
    & skf21("6","5","3","2","7","6","6","1") = "6"
    & skf21("6","5","3","2","7","6","7","1") = "6"
    & skf21("6","5","3","2","7","7","1","1") = "6"
    & skf21("6","5","3","2","7","7","2","1") = "6"
    & skf21("6","5","3","2","7","7","3","1") = "6"
    & skf21("6","5","3","2","7","7","4","1") = "6"
    & skf21("6","5","3","2","7","7","5","1") = "6"
    & skf21("6","5","3","2","7","7","6","1") = "6"
    & skf21("6","5","3","2","7","7","7","1") = "6"
    & skf21("6","5","3","3","1","1","1","1") = "5"
    & skf21("6","5","3","3","1","1","2","1") = "5"
    & skf21("6","5","3","3","1","1","3","1") = "5"
    & skf21("6","5","3","3","1","1","4","1") = "5"
    & skf21("6","5","3","3","1","1","5","1") = "5"
    & skf21("6","5","3","3","1","1","6","1") = "5"
    & skf21("6","5","3","3","1","1","7","1") = "6"
    & skf21("6","5","3","3","1","2","1","1") = "5"
    & skf21("6","5","3","3","1","2","2","1") = "5"
    & skf21("6","5","3","3","1","2","3","1") = "5"
    & skf21("6","5","3","3","1","2","4","1") = "5"
    & skf21("6","5","3","3","1","2","5","1") = "5"
    & skf21("6","5","3","3","1","2","6","1") = "5"
    & skf21("6","5","3","3","1","2","7","1") = "6"
    & skf21("6","5","3","3","1","3","1","1") = "5"
    & skf21("6","5","3","3","1","3","2","1") = "5"
    & skf21("6","5","3","3","1","3","3","1") = "5"
    & skf21("6","5","3","3","1","3","4","1") = "5"
    & skf21("6","5","3","3","1","3","5","1") = "5"
    & skf21("6","5","3","3","1","3","6","1") = "5"
    & skf21("6","5","3","3","1","3","7","1") = "6"
    & skf21("6","5","3","3","1","4","1","1") = "5"
    & skf21("6","5","3","3","1","4","2","1") = "5"
    & skf21("6","5","3","3","1","4","3","1") = "5"
    & skf21("6","5","3","3","1","4","4","1") = "5"
    & skf21("6","5","3","3","1","4","5","1") = "5"
    & skf21("6","5","3","3","1","4","6","1") = "5"
    & skf21("6","5","3","3","1","4","7","1") = "6"
    & skf21("6","5","3","3","1","5","1","1") = "5"
    & skf21("6","5","3","3","1","5","2","1") = "5"
    & skf21("6","5","3","3","1","5","3","1") = "5"
    & skf21("6","5","3","3","1","5","4","1") = "5"
    & skf21("6","5","3","3","1","5","5","1") = "5"
    & skf21("6","5","3","3","1","5","6","1") = "5"
    & skf21("6","5","3","3","1","5","7","1") = "6"
    & skf21("6","5","3","3","1","6","1","1") = "5"
    & skf21("6","5","3","3","1","6","2","1") = "5"
    & skf21("6","5","3","3","1","6","3","1") = "5"
    & skf21("6","5","3","3","1","6","4","1") = "5"
    & skf21("6","5","3","3","1","6","5","1") = "5"
    & skf21("6","5","3","3","1","6","6","1") = "5"
    & skf21("6","5","3","3","1","6","7","1") = "6"
    & skf21("6","5","3","3","1","7","1","1") = "6"
    & skf21("6","5","3","3","1","7","2","1") = "6"
    & skf21("6","5","3","3","1","7","3","1") = "6"
    & skf21("6","5","3","3","1","7","4","1") = "6"
    & skf21("6","5","3","3","1","7","5","1") = "6"
    & skf21("6","5","3","3","1","7","6","1") = "6"
    & skf21("6","5","3","3","1","7","7","1") = "6"
    & skf21("6","5","3","3","2","1","1","1") = "5"
    & skf21("6","5","3","3","2","1","2","1") = "5"
    & skf21("6","5","3","3","2","1","3","1") = "5"
    & skf21("6","5","3","3","2","1","4","1") = "5"
    & skf21("6","5","3","3","2","1","5","1") = "5"
    & skf21("6","5","3","3","2","1","6","1") = "5"
    & skf21("6","5","3","3","2","1","7","1") = "6"
    & skf21("6","5","3","3","2","2","1","1") = "5"
    & skf21("6","5","3","3","2","2","2","1") = "5"
    & skf21("6","5","3","3","2","2","3","1") = "5"
    & skf21("6","5","3","3","2","2","4","1") = "5"
    & skf21("6","5","3","3","2","2","5","1") = "5"
    & skf21("6","5","3","3","2","2","6","1") = "5"
    & skf21("6","5","3","3","2","2","7","1") = "6"
    & skf21("6","5","3","3","2","3","1","1") = "5"
    & skf21("6","5","3","3","2","3","2","1") = "5"
    & skf21("6","5","3","3","2","3","3","1") = "5"
    & skf21("6","5","3","3","2","3","4","1") = "5"
    & skf21("6","5","3","3","2","3","5","1") = "5"
    & skf21("6","5","3","3","2","3","6","1") = "5"
    & skf21("6","5","3","3","2","3","7","1") = "6"
    & skf21("6","5","3","3","2","4","1","1") = "5"
    & skf21("6","5","3","3","2","4","2","1") = "5"
    & skf21("6","5","3","3","2","4","3","1") = "5"
    & skf21("6","5","3","3","2","4","4","1") = "5"
    & skf21("6","5","3","3","2","4","5","1") = "5"
    & skf21("6","5","3","3","2","4","6","1") = "5"
    & skf21("6","5","3","3","2","4","7","1") = "6"
    & skf21("6","5","3","3","2","5","1","1") = "5"
    & skf21("6","5","3","3","2","5","2","1") = "5"
    & skf21("6","5","3","3","2","5","3","1") = "5"
    & skf21("6","5","3","3","2","5","4","1") = "5"
    & skf21("6","5","3","3","2","5","5","1") = "5"
    & skf21("6","5","3","3","2","5","6","1") = "5"
    & skf21("6","5","3","3","2","5","7","1") = "6"
    & skf21("6","5","3","3","2","6","1","1") = "5"
    & skf21("6","5","3","3","2","6","2","1") = "5"
    & skf21("6","5","3","3","2","6","3","1") = "5"
    & skf21("6","5","3","3","2","6","4","1") = "5"
    & skf21("6","5","3","3","2","6","5","1") = "5"
    & skf21("6","5","3","3","2","6","6","1") = "5"
    & skf21("6","5","3","3","2","6","7","1") = "6"
    & skf21("6","5","3","3","2","7","1","1") = "6"
    & skf21("6","5","3","3","2","7","2","1") = "6"
    & skf21("6","5","3","3","2","7","3","1") = "6"
    & skf21("6","5","3","3","2","7","4","1") = "6"
    & skf21("6","5","3","3","2","7","5","1") = "6"
    & skf21("6","5","3","3","2","7","6","1") = "6"
    & skf21("6","5","3","3","2","7","7","1") = "6"
    & skf21("6","5","3","3","3","1","1","1") = "5"
    & skf21("6","5","3","3","3","1","2","1") = "5"
    & skf21("6","5","3","3","3","1","3","1") = "5"
    & skf21("6","5","3","3","3","1","4","1") = "5"
    & skf21("6","5","3","3","3","1","5","1") = "5"
    & skf21("6","5","3","3","3","1","6","1") = "5"
    & skf21("6","5","3","3","3","1","7","1") = "6"
    & skf21("6","5","3","3","3","2","1","1") = "5"
    & skf21("6","5","3","3","3","2","2","1") = "5"
    & skf21("6","5","3","3","3","2","3","1") = "5"
    & skf21("6","5","3","3","3","2","4","1") = "5"
    & skf21("6","5","3","3","3","2","5","1") = "5"
    & skf21("6","5","3","3","3","2","6","1") = "5"
    & skf21("6","5","3","3","3","2","7","1") = "6"
    & skf21("6","5","3","3","3","3","1","1") = "5"
    & skf21("6","5","3","3","3","3","2","1") = "5"
    & skf21("6","5","3","3","3","3","3","1") = "5"
    & skf21("6","5","3","3","3","3","4","1") = "5"
    & skf21("6","5","3","3","3","3","5","1") = "5"
    & skf21("6","5","3","3","3","3","6","1") = "5"
    & skf21("6","5","3","3","3","3","7","1") = "6"
    & skf21("6","5","3","3","3","4","1","1") = "5"
    & skf21("6","5","3","3","3","4","2","1") = "5"
    & skf21("6","5","3","3","3","4","3","1") = "5"
    & skf21("6","5","3","3","3","4","4","1") = "5"
    & skf21("6","5","3","3","3","4","5","1") = "5"
    & skf21("6","5","3","3","3","4","6","1") = "5"
    & skf21("6","5","3","3","3","4","7","1") = "6"
    & skf21("6","5","3","3","3","5","1","1") = "5"
    & skf21("6","5","3","3","3","5","2","1") = "5"
    & skf21("6","5","3","3","3","5","3","1") = "5"
    & skf21("6","5","3","3","3","5","4","1") = "5"
    & skf21("6","5","3","3","3","5","5","1") = "5"
    & skf21("6","5","3","3","3","5","6","1") = "5"
    & skf21("6","5","3","3","3","5","7","1") = "6"
    & skf21("6","5","3","3","3","6","1","1") = "5"
    & skf21("6","5","3","3","3","6","2","1") = "5"
    & skf21("6","5","3","3","3","6","3","1") = "5"
    & skf21("6","5","3","3","3","6","4","1") = "5"
    & skf21("6","5","3","3","3","6","5","1") = "5"
    & skf21("6","5","3","3","3","6","6","1") = "5"
    & skf21("6","5","3","3","3","6","7","1") = "6"
    & skf21("6","5","3","3","3","7","1","1") = "6"
    & skf21("6","5","3","3","3","7","2","1") = "6"
    & skf21("6","5","3","3","3","7","3","1") = "6"
    & skf21("6","5","3","3","3","7","4","1") = "6"
    & skf21("6","5","3","3","3","7","5","1") = "6"
    & skf21("6","5","3","3","3","7","6","1") = "6"
    & skf21("6","5","3","3","3","7","7","1") = "6"
    & skf21("6","5","3","3","4","1","1","1") = "5"
    & skf21("6","5","3","3","4","1","2","1") = "5"
    & skf21("6","5","3","3","4","1","3","1") = "5"
    & skf21("6","5","3","3","4","1","4","1") = "5"
    & skf21("6","5","3","3","4","1","5","1") = "5"
    & skf21("6","5","3","3","4","1","6","1") = "5"
    & skf21("6","5","3","3","4","1","7","1") = "6"
    & skf21("6","5","3","3","4","2","1","1") = "5"
    & skf21("6","5","3","3","4","2","2","1") = "5"
    & skf21("6","5","3","3","4","2","3","1") = "5"
    & skf21("6","5","3","3","4","2","4","1") = "5"
    & skf21("6","5","3","3","4","2","5","1") = "5"
    & skf21("6","5","3","3","4","2","6","1") = "5"
    & skf21("6","5","3","3","4","2","7","1") = "6"
    & skf21("6","5","3","3","4","3","1","1") = "5"
    & skf21("6","5","3","3","4","3","2","1") = "5"
    & skf21("6","5","3","3","4","3","3","1") = "5"
    & skf21("6","5","3","3","4","3","4","1") = "5"
    & skf21("6","5","3","3","4","3","5","1") = "5"
    & skf21("6","5","3","3","4","3","6","1") = "5"
    & skf21("6","5","3","3","4","3","7","1") = "6"
    & skf21("6","5","3","3","4","4","1","1") = "5"
    & skf21("6","5","3","3","4","4","2","1") = "5"
    & skf21("6","5","3","3","4","4","3","1") = "5"
    & skf21("6","5","3","3","4","4","4","1") = "5"
    & skf21("6","5","3","3","4","4","5","1") = "5"
    & skf21("6","5","3","3","4","4","6","1") = "5"
    & skf21("6","5","3","3","4","4","7","1") = "6"
    & skf21("6","5","3","3","4","5","1","1") = "5"
    & skf21("6","5","3","3","4","5","2","1") = "5"
    & skf21("6","5","3","3","4","5","3","1") = "5"
    & skf21("6","5","3","3","4","5","4","1") = "5"
    & skf21("6","5","3","3","4","5","5","1") = "5"
    & skf21("6","5","3","3","4","5","6","1") = "5"
    & skf21("6","5","3","3","4","5","7","1") = "6"
    & skf21("6","5","3","3","4","6","1","1") = "5"
    & skf21("6","5","3","3","4","6","2","1") = "5"
    & skf21("6","5","3","3","4","6","3","1") = "5"
    & skf21("6","5","3","3","4","6","4","1") = "5"
    & skf21("6","5","3","3","4","6","5","1") = "5"
    & skf21("6","5","3","3","4","6","6","1") = "5"
    & skf21("6","5","3","3","4","6","7","1") = "6"
    & skf21("6","5","3","3","4","7","1","1") = "6"
    & skf21("6","5","3","3","4","7","2","1") = "6"
    & skf21("6","5","3","3","4","7","3","1") = "6"
    & skf21("6","5","3","3","4","7","4","1") = "6"
    & skf21("6","5","3","3","4","7","5","1") = "6"
    & skf21("6","5","3","3","4","7","6","1") = "6"
    & skf21("6","5","3","3","4","7","7","1") = "6"
    & skf21("6","5","3","3","5","1","1","1") = "5"
    & skf21("6","5","3","3","5","1","2","1") = "5"
    & skf21("6","5","3","3","5","1","3","1") = "5"
    & skf21("6","5","3","3","5","1","4","1") = "5"
    & skf21("6","5","3","3","5","1","5","1") = "5"
    & skf21("6","5","3","3","5","1","6","1") = "5"
    & skf21("6","5","3","3","5","1","7","1") = "6"
    & skf21("6","5","3","3","5","2","1","1") = "5"
    & skf21("6","5","3","3","5","2","2","1") = "5"
    & skf21("6","5","3","3","5","2","3","1") = "5"
    & skf21("6","5","3","3","5","2","4","1") = "5"
    & skf21("6","5","3","3","5","2","5","1") = "5"
    & skf21("6","5","3","3","5","2","6","1") = "5"
    & skf21("6","5","3","3","5","2","7","1") = "6"
    & skf21("6","5","3","3","5","3","1","1") = "5"
    & skf21("6","5","3","3","5","3","2","1") = "5"
    & skf21("6","5","3","3","5","3","3","1") = "5"
    & skf21("6","5","3","3","5","3","4","1") = "5"
    & skf21("6","5","3","3","5","3","5","1") = "5"
    & skf21("6","5","3","3","5","3","6","1") = "5"
    & skf21("6","5","3","3","5","3","7","1") = "6"
    & skf21("6","5","3","3","5","4","1","1") = "5"
    & skf21("6","5","3","3","5","4","2","1") = "5"
    & skf21("6","5","3","3","5","4","3","1") = "5"
    & skf21("6","5","3","3","5","4","4","1") = "5"
    & skf21("6","5","3","3","5","4","5","1") = "5"
    & skf21("6","5","3","3","5","4","6","1") = "5"
    & skf21("6","5","3","3","5","4","7","1") = "6"
    & skf21("6","5","3","3","5","5","1","1") = "5"
    & skf21("6","5","3","3","5","5","2","1") = "5"
    & skf21("6","5","3","3","5","5","3","1") = "5"
    & skf21("6","5","3","3","5","5","4","1") = "5"
    & skf21("6","5","3","3","5","5","5","1") = "5"
    & skf21("6","5","3","3","5","5","6","1") = "5"
    & skf21("6","5","3","3","5","5","7","1") = "6"
    & skf21("6","5","3","3","5","6","1","1") = "5"
    & skf21("6","5","3","3","5","6","2","1") = "5"
    & skf21("6","5","3","3","5","6","3","1") = "5"
    & skf21("6","5","3","3","5","6","4","1") = "5"
    & skf21("6","5","3","3","5","6","5","1") = "5"
    & skf21("6","5","3","3","5","6","6","1") = "5"
    & skf21("6","5","3","3","5","6","7","1") = "6"
    & skf21("6","5","3","3","5","7","1","1") = "6"
    & skf21("6","5","3","3","5","7","2","1") = "6"
    & skf21("6","5","3","3","5","7","3","1") = "6"
    & skf21("6","5","3","3","5","7","4","1") = "6"
    & skf21("6","5","3","3","5","7","5","1") = "6"
    & skf21("6","5","3","3","5","7","6","1") = "6"
    & skf21("6","5","3","3","5","7","7","1") = "6"
    & skf21("6","5","3","3","6","1","1","1") = "5"
    & skf21("6","5","3","3","6","1","2","1") = "5"
    & skf21("6","5","3","3","6","1","3","1") = "5"
    & skf21("6","5","3","3","6","1","4","1") = "5"
    & skf21("6","5","3","3","6","1","5","1") = "5"
    & skf21("6","5","3","3","6","1","6","1") = "5"
    & skf21("6","5","3","3","6","1","7","1") = "6"
    & skf21("6","5","3","3","6","2","1","1") = "5"
    & skf21("6","5","3","3","6","2","2","1") = "5"
    & skf21("6","5","3","3","6","2","3","1") = "5"
    & skf21("6","5","3","3","6","2","4","1") = "5"
    & skf21("6","5","3","3","6","2","5","1") = "5"
    & skf21("6","5","3","3","6","2","6","1") = "5"
    & skf21("6","5","3","3","6","2","7","1") = "6"
    & skf21("6","5","3","3","6","3","1","1") = "5"
    & skf21("6","5","3","3","6","3","2","1") = "5"
    & skf21("6","5","3","3","6","3","3","1") = "5"
    & skf21("6","5","3","3","6","3","4","1") = "5"
    & skf21("6","5","3","3","6","3","5","1") = "5"
    & skf21("6","5","3","3","6","3","6","1") = "5"
    & skf21("6","5","3","3","6","3","7","1") = "6"
    & skf21("6","5","3","3","6","4","1","1") = "5"
    & skf21("6","5","3","3","6","4","2","1") = "5"
    & skf21("6","5","3","3","6","4","3","1") = "5"
    & skf21("6","5","3","3","6","4","4","1") = "5"
    & skf21("6","5","3","3","6","4","5","1") = "5"
    & skf21("6","5","3","3","6","4","6","1") = "5"
    & skf21("6","5","3","3","6","4","7","1") = "6"
    & skf21("6","5","3","3","6","5","1","1") = "5"
    & skf21("6","5","3","3","6","5","2","1") = "5"
    & skf21("6","5","3","3","6","5","3","1") = "5"
    & skf21("6","5","3","3","6","5","4","1") = "5"
    & skf21("6","5","3","3","6","5","5","1") = "5"
    & skf21("6","5","3","3","6","5","6","1") = "5"
    & skf21("6","5","3","3","6","5","7","1") = "6"
    & skf21("6","5","3","3","6","6","1","1") = "5"
    & skf21("6","5","3","3","6","6","2","1") = "5"
    & skf21("6","5","3","3","6","6","3","1") = "5"
    & skf21("6","5","3","3","6","6","4","1") = "5"
    & skf21("6","5","3","3","6","6","5","1") = "5"
    & skf21("6","5","3","3","6","6","6","1") = "5"
    & skf21("6","5","3","3","6","6","7","1") = "6"
    & skf21("6","5","3","3","6","7","1","1") = "6"
    & skf21("6","5","3","3","6","7","2","1") = "6"
    & skf21("6","5","3","3","6","7","3","1") = "6"
    & skf21("6","5","3","3","6","7","4","1") = "6"
    & skf21("6","5","3","3","6","7","5","1") = "6"
    & skf21("6","5","3","3","6","7","6","1") = "6"
    & skf21("6","5","3","3","6","7","7","1") = "6"
    & skf21("6","5","3","3","7","1","1","1") = "6"
    & skf21("6","5","3","3","7","1","2","1") = "6"
    & skf21("6","5","3","3","7","1","3","1") = "6"
    & skf21("6","5","3","3","7","1","4","1") = "6"
    & skf21("6","5","3","3","7","1","5","1") = "6"
    & skf21("6","5","3","3","7","1","6","1") = "6"
    & skf21("6","5","3","3","7","1","7","1") = "6"
    & skf21("6","5","3","3","7","2","1","1") = "6"
    & skf21("6","5","3","3","7","2","2","1") = "6"
    & skf21("6","5","3","3","7","2","3","1") = "6"
    & skf21("6","5","3","3","7","2","4","1") = "6"
    & skf21("6","5","3","3","7","2","5","1") = "6"
    & skf21("6","5","3","3","7","2","6","1") = "6"
    & skf21("6","5","3","3","7","2","7","1") = "6"
    & skf21("6","5","3","3","7","3","1","1") = "6"
    & skf21("6","5","3","3","7","3","2","1") = "6"
    & skf21("6","5","3","3","7","3","3","1") = "6"
    & skf21("6","5","3","3","7","3","4","1") = "6"
    & skf21("6","5","3","3","7","3","5","1") = "6"
    & skf21("6","5","3","3","7","3","6","1") = "6"
    & skf21("6","5","3","3","7","3","7","1") = "6"
    & skf21("6","5","3","3","7","4","1","1") = "6"
    & skf21("6","5","3","3","7","4","2","1") = "6"
    & skf21("6","5","3","3","7","4","3","1") = "6"
    & skf21("6","5","3","3","7","4","4","1") = "6"
    & skf21("6","5","3","3","7","4","5","1") = "6"
    & skf21("6","5","3","3","7","4","6","1") = "6"
    & skf21("6","5","3","3","7","4","7","1") = "6"
    & skf21("6","5","3","3","7","5","1","1") = "6"
    & skf21("6","5","3","3","7","5","2","1") = "6"
    & skf21("6","5","3","3","7","5","3","1") = "6"
    & skf21("6","5","3","3","7","5","4","1") = "6"
    & skf21("6","5","3","3","7","5","5","1") = "6"
    & skf21("6","5","3","3","7","5","6","1") = "6"
    & skf21("6","5","3","3","7","5","7","1") = "6"
    & skf21("6","5","3","3","7","6","1","1") = "6"
    & skf21("6","5","3","3","7","6","2","1") = "6"
    & skf21("6","5","3","3","7","6","3","1") = "6"
    & skf21("6","5","3","3","7","6","4","1") = "6"
    & skf21("6","5","3","3","7","6","5","1") = "6"
    & skf21("6","5","3","3","7","6","6","1") = "6"
    & skf21("6","5","3","3","7","6","7","1") = "6"
    & skf21("6","5","3","3","7","7","1","1") = "6"
    & skf21("6","5","3","3","7","7","2","1") = "6"
    & skf21("6","5","3","3","7","7","3","1") = "6"
    & skf21("6","5","3","3","7","7","4","1") = "6"
    & skf21("6","5","3","3","7","7","5","1") = "6"
    & skf21("6","5","3","3","7","7","6","1") = "6"
    & skf21("6","5","3","3","7","7","7","1") = "6"
    & skf21("6","5","3","4","1","1","1","1") = "5"
    & skf21("6","5","3","4","1","1","2","1") = "5"
    & skf21("6","5","3","4","1","1","3","1") = "5"
    & skf21("6","5","3","4","1","1","4","1") = "5"
    & skf21("6","5","3","4","1","1","5","1") = "5"
    & skf21("6","5","3","4","1","1","6","1") = "5"
    & skf21("6","5","3","4","1","1","7","1") = "6"
    & skf21("6","5","3","4","1","2","1","1") = "5"
    & skf21("6","5","3","4","1","2","2","1") = "5"
    & skf21("6","5","3","4","1","2","3","1") = "5"
    & skf21("6","5","3","4","1","2","4","1") = "5"
    & skf21("6","5","3","4","1","2","5","1") = "5"
    & skf21("6","5","3","4","1","2","6","1") = "5"
    & skf21("6","5","3","4","1","2","7","1") = "6"
    & skf21("6","5","3","4","1","3","1","1") = "5"
    & skf21("6","5","3","4","1","3","2","1") = "5"
    & skf21("6","5","3","4","1","3","3","1") = "5"
    & skf21("6","5","3","4","1","3","4","1") = "5"
    & skf21("6","5","3","4","1","3","5","1") = "5"
    & skf21("6","5","3","4","1","3","6","1") = "5"
    & skf21("6","5","3","4","1","3","7","1") = "6"
    & skf21("6","5","3","4","1","4","1","1") = "5"
    & skf21("6","5","3","4","1","4","2","1") = "5"
    & skf21("6","5","3","4","1","4","3","1") = "5"
    & skf21("6","5","3","4","1","4","4","1") = "5"
    & skf21("6","5","3","4","1","4","5","1") = "5"
    & skf21("6","5","3","4","1","4","6","1") = "5"
    & skf21("6","5","3","4","1","4","7","1") = "6"
    & skf21("6","5","3","4","1","5","1","1") = "5"
    & skf21("6","5","3","4","1","5","2","1") = "5"
    & skf21("6","5","3","4","1","5","3","1") = "5"
    & skf21("6","5","3","4","1","5","4","1") = "5"
    & skf21("6","5","3","4","1","5","5","1") = "5"
    & skf21("6","5","3","4","1","5","6","1") = "5"
    & skf21("6","5","3","4","1","5","7","1") = "6"
    & skf21("6","5","3","4","1","6","1","1") = "5"
    & skf21("6","5","3","4","1","6","2","1") = "5"
    & skf21("6","5","3","4","1","6","3","1") = "5"
    & skf21("6","5","3","4","1","6","4","1") = "5"
    & skf21("6","5","3","4","1","6","5","1") = "5"
    & skf21("6","5","3","4","1","6","6","1") = "5"
    & skf21("6","5","3","4","1","6","7","1") = "6"
    & skf21("6","5","3","4","1","7","1","1") = "6"
    & skf21("6","5","3","4","1","7","2","1") = "6"
    & skf21("6","5","3","4","1","7","3","1") = "6"
    & skf21("6","5","3","4","1","7","4","1") = "6"
    & skf21("6","5","3","4","1","7","5","1") = "6"
    & skf21("6","5","3","4","1","7","6","1") = "6"
    & skf21("6","5","3","4","1","7","7","1") = "6"
    & skf21("6","5","3","4","2","1","1","1") = "5"
    & skf21("6","5","3","4","2","1","2","1") = "5"
    & skf21("6","5","3","4","2","1","3","1") = "5"
    & skf21("6","5","3","4","2","1","4","1") = "5"
    & skf21("6","5","3","4","2","1","5","1") = "5"
    & skf21("6","5","3","4","2","1","6","1") = "5"
    & skf21("6","5","3","4","2","1","7","1") = "6"
    & skf21("6","5","3","4","2","2","1","1") = "5"
    & skf21("6","5","3","4","2","2","2","1") = "5"
    & skf21("6","5","3","4","2","2","3","1") = "5"
    & skf21("6","5","3","4","2","2","4","1") = "5"
    & skf21("6","5","3","4","2","2","5","1") = "5"
    & skf21("6","5","3","4","2","2","6","1") = "5"
    & skf21("6","5","3","4","2","2","7","1") = "6"
    & skf21("6","5","3","4","2","3","1","1") = "5"
    & skf21("6","5","3","4","2","3","2","1") = "5"
    & skf21("6","5","3","4","2","3","3","1") = "5"
    & skf21("6","5","3","4","2","3","4","1") = "5"
    & skf21("6","5","3","4","2","3","5","1") = "5"
    & skf21("6","5","3","4","2","3","6","1") = "5"
    & skf21("6","5","3","4","2","3","7","1") = "6"
    & skf21("6","5","3","4","2","4","1","1") = "5"
    & skf21("6","5","3","4","2","4","2","1") = "5"
    & skf21("6","5","3","4","2","4","3","1") = "5"
    & skf21("6","5","3","4","2","4","4","1") = "5"
    & skf21("6","5","3","4","2","4","5","1") = "5"
    & skf21("6","5","3","4","2","4","6","1") = "5"
    & skf21("6","5","3","4","2","4","7","1") = "6"
    & skf21("6","5","3","4","2","5","1","1") = "5"
    & skf21("6","5","3","4","2","5","2","1") = "5"
    & skf21("6","5","3","4","2","5","3","1") = "5"
    & skf21("6","5","3","4","2","5","4","1") = "5"
    & skf21("6","5","3","4","2","5","5","1") = "5"
    & skf21("6","5","3","4","2","5","6","1") = "5"
    & skf21("6","5","3","4","2","5","7","1") = "6"
    & skf21("6","5","3","4","2","6","1","1") = "5"
    & skf21("6","5","3","4","2","6","2","1") = "5"
    & skf21("6","5","3","4","2","6","3","1") = "5"
    & skf21("6","5","3","4","2","6","4","1") = "5"
    & skf21("6","5","3","4","2","6","5","1") = "5"
    & skf21("6","5","3","4","2","6","6","1") = "5"
    & skf21("6","5","3","4","2","6","7","1") = "6"
    & skf21("6","5","3","4","2","7","1","1") = "6"
    & skf21("6","5","3","4","2","7","2","1") = "6"
    & skf21("6","5","3","4","2","7","3","1") = "6"
    & skf21("6","5","3","4","2","7","4","1") = "6"
    & skf21("6","5","3","4","2","7","5","1") = "6"
    & skf21("6","5","3","4","2","7","6","1") = "6"
    & skf21("6","5","3","4","2","7","7","1") = "6"
    & skf21("6","5","3","4","3","1","1","1") = "5"
    & skf21("6","5","3","4","3","1","2","1") = "5"
    & skf21("6","5","3","4","3","1","3","1") = "5"
    & skf21("6","5","3","4","3","1","4","1") = "5"
    & skf21("6","5","3","4","3","1","5","1") = "5"
    & skf21("6","5","3","4","3","1","6","1") = "5"
    & skf21("6","5","3","4","3","1","7","1") = "6"
    & skf21("6","5","3","4","3","2","1","1") = "5"
    & skf21("6","5","3","4","3","2","2","1") = "5"
    & skf21("6","5","3","4","3","2","3","1") = "5"
    & skf21("6","5","3","4","3","2","4","1") = "5"
    & skf21("6","5","3","4","3","2","5","1") = "5"
    & skf21("6","5","3","4","3","2","6","1") = "5"
    & skf21("6","5","3","4","3","2","7","1") = "6"
    & skf21("6","5","3","4","3","3","1","1") = "5"
    & skf21("6","5","3","4","3","3","2","1") = "5"
    & skf21("6","5","3","4","3","3","3","1") = "5"
    & skf21("6","5","3","4","3","3","4","1") = "5"
    & skf21("6","5","3","4","3","3","5","1") = "5"
    & skf21("6","5","3","4","3","3","6","1") = "5"
    & skf21("6","5","3","4","3","3","7","1") = "6"
    & skf21("6","5","3","4","3","4","1","1") = "5"
    & skf21("6","5","3","4","3","4","2","1") = "5"
    & skf21("6","5","3","4","3","4","3","1") = "5"
    & skf21("6","5","3","4","3","4","4","1") = "5"
    & skf21("6","5","3","4","3","4","5","1") = "5"
    & skf21("6","5","3","4","3","4","6","1") = "5"
    & skf21("6","5","3","4","3","4","7","1") = "6"
    & skf21("6","5","3","4","3","5","1","1") = "5"
    & skf21("6","5","3","4","3","5","2","1") = "5"
    & skf21("6","5","3","4","3","5","3","1") = "5"
    & skf21("6","5","3","4","3","5","4","1") = "5"
    & skf21("6","5","3","4","3","5","5","1") = "5"
    & skf21("6","5","3","4","3","5","6","1") = "5"
    & skf21("6","5","3","4","3","5","7","1") = "6"
    & skf21("6","5","3","4","3","6","1","1") = "5"
    & skf21("6","5","3","4","3","6","2","1") = "5"
    & skf21("6","5","3","4","3","6","3","1") = "5"
    & skf21("6","5","3","4","3","6","4","1") = "5"
    & skf21("6","5","3","4","3","6","5","1") = "5"
    & skf21("6","5","3","4","3","6","6","1") = "5"
    & skf21("6","5","3","4","3","6","7","1") = "6"
    & skf21("6","5","3","4","3","7","1","1") = "6"
    & skf21("6","5","3","4","3","7","2","1") = "6"
    & skf21("6","5","3","4","3","7","3","1") = "6"
    & skf21("6","5","3","4","3","7","4","1") = "6"
    & skf21("6","5","3","4","3","7","5","1") = "6"
    & skf21("6","5","3","4","3","7","6","1") = "6"
    & skf21("6","5","3","4","3","7","7","1") = "6"
    & skf21("6","5","3","4","4","1","1","1") = "5"
    & skf21("6","5","3","4","4","1","2","1") = "5"
    & skf21("6","5","3","4","4","1","3","1") = "5"
    & skf21("6","5","3","4","4","1","4","1") = "5"
    & skf21("6","5","3","4","4","1","5","1") = "5"
    & skf21("6","5","3","4","4","1","6","1") = "5"
    & skf21("6","5","3","4","4","1","7","1") = "6"
    & skf21("6","5","3","4","4","2","1","1") = "5"
    & skf21("6","5","3","4","4","2","2","1") = "5"
    & skf21("6","5","3","4","4","2","3","1") = "5"
    & skf21("6","5","3","4","4","2","4","1") = "5"
    & skf21("6","5","3","4","4","2","5","1") = "5"
    & skf21("6","5","3","4","4","2","6","1") = "5"
    & skf21("6","5","3","4","4","2","7","1") = "6"
    & skf21("6","5","3","4","4","3","1","1") = "5"
    & skf21("6","5","3","4","4","3","2","1") = "5"
    & skf21("6","5","3","4","4","3","3","1") = "5"
    & skf21("6","5","3","4","4","3","4","1") = "5"
    & skf21("6","5","3","4","4","3","5","1") = "5"
    & skf21("6","5","3","4","4","3","6","1") = "5"
    & skf21("6","5","3","4","4","3","7","1") = "6"
    & skf21("6","5","3","4","4","4","1","1") = "5"
    & skf21("6","5","3","4","4","4","2","1") = "5"
    & skf21("6","5","3","4","4","4","3","1") = "5"
    & skf21("6","5","3","4","4","4","4","1") = "5"
    & skf21("6","5","3","4","4","4","5","1") = "5"
    & skf21("6","5","3","4","4","4","6","1") = "5"
    & skf21("6","5","3","4","4","4","7","1") = "6"
    & skf21("6","5","3","4","4","5","1","1") = "5"
    & skf21("6","5","3","4","4","5","2","1") = "5"
    & skf21("6","5","3","4","4","5","3","1") = "5"
    & skf21("6","5","3","4","4","5","4","1") = "5"
    & skf21("6","5","3","4","4","5","5","1") = "5"
    & skf21("6","5","3","4","4","5","6","1") = "5"
    & skf21("6","5","3","4","4","5","7","1") = "6"
    & skf21("6","5","3","4","4","6","1","1") = "5"
    & skf21("6","5","3","4","4","6","2","1") = "5"
    & skf21("6","5","3","4","4","6","3","1") = "5"
    & skf21("6","5","3","4","4","6","4","1") = "5"
    & skf21("6","5","3","4","4","6","5","1") = "5"
    & skf21("6","5","3","4","4","6","6","1") = "5"
    & skf21("6","5","3","4","4","6","7","1") = "6"
    & skf21("6","5","3","4","4","7","1","1") = "6"
    & skf21("6","5","3","4","4","7","2","1") = "6"
    & skf21("6","5","3","4","4","7","3","1") = "6"
    & skf21("6","5","3","4","4","7","4","1") = "6"
    & skf21("6","5","3","4","4","7","5","1") = "6"
    & skf21("6","5","3","4","4","7","6","1") = "6"
    & skf21("6","5","3","4","4","7","7","1") = "6"
    & skf21("6","5","3","4","5","1","1","1") = "5"
    & skf21("6","5","3","4","5","1","2","1") = "5"
    & skf21("6","5","3","4","5","1","3","1") = "5"
    & skf21("6","5","3","4","5","1","4","1") = "5"
    & skf21("6","5","3","4","5","1","5","1") = "5"
    & skf21("6","5","3","4","5","1","6","1") = "5"
    & skf21("6","5","3","4","5","1","7","1") = "6"
    & skf21("6","5","3","4","5","2","1","1") = "5"
    & skf21("6","5","3","4","5","2","2","1") = "5"
    & skf21("6","5","3","4","5","2","3","1") = "5"
    & skf21("6","5","3","4","5","2","4","1") = "5"
    & skf21("6","5","3","4","5","2","5","1") = "5"
    & skf21("6","5","3","4","5","2","6","1") = "5"
    & skf21("6","5","3","4","5","2","7","1") = "6"
    & skf21("6","5","3","4","5","3","1","1") = "5"
    & skf21("6","5","3","4","5","3","2","1") = "5"
    & skf21("6","5","3","4","5","3","3","1") = "5"
    & skf21("6","5","3","4","5","3","4","1") = "5"
    & skf21("6","5","3","4","5","3","5","1") = "5"
    & skf21("6","5","3","4","5","3","6","1") = "5"
    & skf21("6","5","3","4","5","3","7","1") = "6"
    & skf21("6","5","3","4","5","4","1","1") = "5"
    & skf21("6","5","3","4","5","4","2","1") = "5"
    & skf21("6","5","3","4","5","4","3","1") = "5"
    & skf21("6","5","3","4","5","4","4","1") = "5"
    & skf21("6","5","3","4","5","4","5","1") = "5"
    & skf21("6","5","3","4","5","4","6","1") = "5"
    & skf21("6","5","3","4","5","4","7","1") = "6"
    & skf21("6","5","3","4","5","5","1","1") = "5"
    & skf21("6","5","3","4","5","5","2","1") = "5"
    & skf21("6","5","3","4","5","5","3","1") = "5"
    & skf21("6","5","3","4","5","5","4","1") = "5"
    & skf21("6","5","3","4","5","5","5","1") = "5"
    & skf21("6","5","3","4","5","5","6","1") = "5"
    & skf21("6","5","3","4","5","5","7","1") = "6"
    & skf21("6","5","3","4","5","6","1","1") = "5"
    & skf21("6","5","3","4","5","6","2","1") = "5"
    & skf21("6","5","3","4","5","6","3","1") = "5"
    & skf21("6","5","3","4","5","6","4","1") = "5"
    & skf21("6","5","3","4","5","6","5","1") = "5"
    & skf21("6","5","3","4","5","6","6","1") = "5"
    & skf21("6","5","3","4","5","6","7","1") = "6"
    & skf21("6","5","3","4","5","7","1","1") = "6"
    & skf21("6","5","3","4","5","7","2","1") = "6"
    & skf21("6","5","3","4","5","7","3","1") = "6"
    & skf21("6","5","3","4","5","7","4","1") = "6"
    & skf21("6","5","3","4","5","7","5","1") = "6"
    & skf21("6","5","3","4","5","7","6","1") = "6"
    & skf21("6","5","3","4","5","7","7","1") = "6"
    & skf21("6","5","3","4","6","1","1","1") = "5"
    & skf21("6","5","3","4","6","1","2","1") = "5"
    & skf21("6","5","3","4","6","1","3","1") = "5"
    & skf21("6","5","3","4","6","1","4","1") = "5"
    & skf21("6","5","3","4","6","1","5","1") = "5"
    & skf21("6","5","3","4","6","1","6","1") = "5"
    & skf21("6","5","3","4","6","1","7","1") = "6"
    & skf21("6","5","3","4","6","2","1","1") = "5"
    & skf21("6","5","3","4","6","2","2","1") = "5"
    & skf21("6","5","3","4","6","2","3","1") = "5"
    & skf21("6","5","3","4","6","2","4","1") = "5"
    & skf21("6","5","3","4","6","2","5","1") = "5"
    & skf21("6","5","3","4","6","2","6","1") = "5"
    & skf21("6","5","3","4","6","2","7","1") = "6"
    & skf21("6","5","3","4","6","3","1","1") = "5"
    & skf21("6","5","3","4","6","3","2","1") = "5"
    & skf21("6","5","3","4","6","3","3","1") = "5"
    & skf21("6","5","3","4","6","3","4","1") = "5"
    & skf21("6","5","3","4","6","3","5","1") = "5"
    & skf21("6","5","3","4","6","3","6","1") = "5"
    & skf21("6","5","3","4","6","3","7","1") = "6"
    & skf21("6","5","3","4","6","4","1","1") = "5"
    & skf21("6","5","3","4","6","4","2","1") = "5"
    & skf21("6","5","3","4","6","4","3","1") = "5"
    & skf21("6","5","3","4","6","4","4","1") = "5"
    & skf21("6","5","3","4","6","4","5","1") = "5"
    & skf21("6","5","3","4","6","4","6","1") = "5"
    & skf21("6","5","3","4","6","4","7","1") = "6"
    & skf21("6","5","3","4","6","5","1","1") = "5"
    & skf21("6","5","3","4","6","5","2","1") = "5"
    & skf21("6","5","3","4","6","5","3","1") = "5"
    & skf21("6","5","3","4","6","5","4","1") = "5"
    & skf21("6","5","3","4","6","5","5","1") = "5"
    & skf21("6","5","3","4","6","5","6","1") = "5"
    & skf21("6","5","3","4","6","5","7","1") = "6"
    & skf21("6","5","3","4","6","6","1","1") = "5"
    & skf21("6","5","3","4","6","6","2","1") = "5"
    & skf21("6","5","3","4","6","6","3","1") = "5"
    & skf21("6","5","3","4","6","6","4","1") = "5"
    & skf21("6","5","3","4","6","6","5","1") = "5"
    & skf21("6","5","3","4","6","6","6","1") = "5"
    & skf21("6","5","3","4","6","6","7","1") = "6"
    & skf21("6","5","3","4","6","7","1","1") = "6"
    & skf21("6","5","3","4","6","7","2","1") = "6"
    & skf21("6","5","3","4","6","7","3","1") = "6"
    & skf21("6","5","3","4","6","7","4","1") = "6"
    & skf21("6","5","3","4","6","7","5","1") = "6"
    & skf21("6","5","3","4","6","7","6","1") = "6"
    & skf21("6","5","3","4","6","7","7","1") = "6"
    & skf21("6","5","3","4","7","1","1","1") = "6"
    & skf21("6","5","3","4","7","1","2","1") = "6"
    & skf21("6","5","3","4","7","1","3","1") = "6"
    & skf21("6","5","3","4","7","1","4","1") = "6"
    & skf21("6","5","3","4","7","1","5","1") = "6"
    & skf21("6","5","3","4","7","1","6","1") = "6"
    & skf21("6","5","3","4","7","1","7","1") = "6"
    & skf21("6","5","3","4","7","2","1","1") = "6"
    & skf21("6","5","3","4","7","2","2","1") = "6"
    & skf21("6","5","3","4","7","2","3","1") = "6"
    & skf21("6","5","3","4","7","2","4","1") = "6"
    & skf21("6","5","3","4","7","2","5","1") = "6"
    & skf21("6","5","3","4","7","2","6","1") = "6"
    & skf21("6","5","3","4","7","2","7","1") = "6"
    & skf21("6","5","3","4","7","3","1","1") = "6"
    & skf21("6","5","3","4","7","3","2","1") = "6"
    & skf21("6","5","3","4","7","3","3","1") = "6"
    & skf21("6","5","3","4","7","3","4","1") = "6"
    & skf21("6","5","3","4","7","3","5","1") = "6"
    & skf21("6","5","3","4","7","3","6","1") = "6"
    & skf21("6","5","3","4","7","3","7","1") = "6"
    & skf21("6","5","3","4","7","4","1","1") = "6"
    & skf21("6","5","3","4","7","4","2","1") = "6"
    & skf21("6","5","3","4","7","4","3","1") = "6"
    & skf21("6","5","3","4","7","4","4","1") = "6"
    & skf21("6","5","3","4","7","4","5","1") = "6"
    & skf21("6","5","3","4","7","4","6","1") = "6"
    & skf21("6","5","3","4","7","4","7","1") = "6"
    & skf21("6","5","3","4","7","5","1","1") = "6"
    & skf21("6","5","3","4","7","5","2","1") = "6"
    & skf21("6","5","3","4","7","5","3","1") = "6"
    & skf21("6","5","3","4","7","5","4","1") = "6"
    & skf21("6","5","3","4","7","5","5","1") = "6"
    & skf21("6","5","3","4","7","5","6","1") = "6"
    & skf21("6","5","3","4","7","5","7","1") = "6"
    & skf21("6","5","3","4","7","6","1","1") = "6"
    & skf21("6","5","3","4","7","6","2","1") = "6"
    & skf21("6","5","3","4","7","6","3","1") = "6"
    & skf21("6","5","3","4","7","6","4","1") = "6"
    & skf21("6","5","3","4","7","6","5","1") = "6"
    & skf21("6","5","3","4","7","6","6","1") = "6"
    & skf21("6","5","3","4","7","6","7","1") = "6"
    & skf21("6","5","3","4","7","7","1","1") = "6"
    & skf21("6","5","3","4","7","7","2","1") = "6"
    & skf21("6","5","3","4","7","7","3","1") = "6"
    & skf21("6","5","3","4","7","7","4","1") = "6"
    & skf21("6","5","3","4","7","7","5","1") = "6"
    & skf21("6","5","3","4","7","7","6","1") = "6"
    & skf21("6","5","3","4","7","7","7","1") = "6"
    & skf21("6","5","3","5","1","1","1","1") = "5"
    & skf21("6","5","3","5","1","1","2","1") = "5"
    & skf21("6","5","3","5","1","1","3","1") = "5"
    & skf21("6","5","3","5","1","1","4","1") = "5"
    & skf21("6","5","3","5","1","1","5","1") = "5"
    & skf21("6","5","3","5","1","1","6","1") = "5"
    & skf21("6","5","3","5","1","1","7","1") = "6"
    & skf21("6","5","3","5","1","2","1","1") = "5"
    & skf21("6","5","3","5","1","2","2","1") = "5"
    & skf21("6","5","3","5","1","2","3","1") = "5"
    & skf21("6","5","3","5","1","2","4","1") = "5"
    & skf21("6","5","3","5","1","2","5","1") = "5"
    & skf21("6","5","3","5","1","2","6","1") = "5"
    & skf21("6","5","3","5","1","2","7","1") = "6"
    & skf21("6","5","3","5","1","3","1","1") = "5"
    & skf21("6","5","3","5","1","3","2","1") = "5"
    & skf21("6","5","3","5","1","3","3","1") = "5"
    & skf21("6","5","3","5","1","3","4","1") = "5"
    & skf21("6","5","3","5","1","3","5","1") = "5"
    & skf21("6","5","3","5","1","3","6","1") = "5"
    & skf21("6","5","3","5","1","3","7","1") = "6"
    & skf21("6","5","3","5","1","4","1","1") = "5"
    & skf21("6","5","3","5","1","4","2","1") = "5"
    & skf21("6","5","3","5","1","4","3","1") = "5"
    & skf21("6","5","3","5","1","4","4","1") = "5"
    & skf21("6","5","3","5","1","4","5","1") = "5"
    & skf21("6","5","3","5","1","4","6","1") = "5"
    & skf21("6","5","3","5","1","4","7","1") = "6"
    & skf21("6","5","3","5","1","5","1","1") = "5"
    & skf21("6","5","3","5","1","5","2","1") = "5"
    & skf21("6","5","3","5","1","5","3","1") = "5"
    & skf21("6","5","3","5","1","5","4","1") = "5"
    & skf21("6","5","3","5","1","5","5","1") = "5"
    & skf21("6","5","3","5","1","5","6","1") = "5"
    & skf21("6","5","3","5","1","5","7","1") = "6"
    & skf21("6","5","3","5","1","6","1","1") = "5"
    & skf21("6","5","3","5","1","6","2","1") = "5"
    & skf21("6","5","3","5","1","6","3","1") = "5"
    & skf21("6","5","3","5","1","6","4","1") = "5"
    & skf21("6","5","3","5","1","6","5","1") = "5"
    & skf21("6","5","3","5","1","6","6","1") = "5"
    & skf21("6","5","3","5","1","6","7","1") = "6"
    & skf21("6","5","3","5","1","7","1","1") = "6"
    & skf21("6","5","3","5","1","7","2","1") = "6"
    & skf21("6","5","3","5","1","7","3","1") = "6"
    & skf21("6","5","3","5","1","7","4","1") = "6"
    & skf21("6","5","3","5","1","7","5","1") = "6"
    & skf21("6","5","3","5","1","7","6","1") = "6"
    & skf21("6","5","3","5","1","7","7","1") = "6"
    & skf21("6","5","3","5","2","1","1","1") = "5"
    & skf21("6","5","3","5","2","1","2","1") = "5"
    & skf21("6","5","3","5","2","1","3","1") = "5"
    & skf21("6","5","3","5","2","1","4","1") = "5"
    & skf21("6","5","3","5","2","1","5","1") = "5"
    & skf21("6","5","3","5","2","1","6","1") = "5"
    & skf21("6","5","3","5","2","1","7","1") = "6"
    & skf21("6","5","3","5","2","2","1","1") = "5"
    & skf21("6","5","3","5","2","2","2","1") = "5"
    & skf21("6","5","3","5","2","2","3","1") = "5"
    & skf21("6","5","3","5","2","2","4","1") = "5"
    & skf21("6","5","3","5","2","2","5","1") = "5"
    & skf21("6","5","3","5","2","2","6","1") = "5"
    & skf21("6","5","3","5","2","2","7","1") = "6"
    & skf21("6","5","3","5","2","3","1","1") = "5"
    & skf21("6","5","3","5","2","3","2","1") = "5"
    & skf21("6","5","3","5","2","3","3","1") = "5"
    & skf21("6","5","3","5","2","3","4","1") = "5"
    & skf21("6","5","3","5","2","3","5","1") = "5"
    & skf21("6","5","3","5","2","3","6","1") = "5"
    & skf21("6","5","3","5","2","3","7","1") = "6"
    & skf21("6","5","3","5","2","4","1","1") = "5"
    & skf21("6","5","3","5","2","4","2","1") = "5"
    & skf21("6","5","3","5","2","4","3","1") = "5"
    & skf21("6","5","3","5","2","4","4","1") = "5"
    & skf21("6","5","3","5","2","4","5","1") = "5"
    & skf21("6","5","3","5","2","4","6","1") = "5"
    & skf21("6","5","3","5","2","4","7","1") = "6"
    & skf21("6","5","3","5","2","5","1","1") = "5"
    & skf21("6","5","3","5","2","5","2","1") = "5"
    & skf21("6","5","3","5","2","5","3","1") = "5"
    & skf21("6","5","3","5","2","5","4","1") = "5"
    & skf21("6","5","3","5","2","5","5","1") = "5"
    & skf21("6","5","3","5","2","5","6","1") = "5"
    & skf21("6","5","3","5","2","5","7","1") = "6"
    & skf21("6","5","3","5","2","6","1","1") = "5"
    & skf21("6","5","3","5","2","6","2","1") = "5"
    & skf21("6","5","3","5","2","6","3","1") = "5"
    & skf21("6","5","3","5","2","6","4","1") = "5"
    & skf21("6","5","3","5","2","6","5","1") = "5"
    & skf21("6","5","3","5","2","6","6","1") = "5"
    & skf21("6","5","3","5","2","6","7","1") = "6"
    & skf21("6","5","3","5","2","7","1","1") = "6"
    & skf21("6","5","3","5","2","7","2","1") = "6"
    & skf21("6","5","3","5","2","7","3","1") = "6"
    & skf21("6","5","3","5","2","7","4","1") = "6"
    & skf21("6","5","3","5","2","7","5","1") = "6"
    & skf21("6","5","3","5","2","7","6","1") = "6"
    & skf21("6","5","3","5","2","7","7","1") = "6"
    & skf21("6","5","3","5","3","1","1","1") = "5"
    & skf21("6","5","3","5","3","1","2","1") = "5"
    & skf21("6","5","3","5","3","1","3","1") = "5"
    & skf21("6","5","3","5","3","1","4","1") = "5"
    & skf21("6","5","3","5","3","1","5","1") = "5"
    & skf21("6","5","3","5","3","1","6","1") = "5"
    & skf21("6","5","3","5","3","1","7","1") = "6"
    & skf21("6","5","3","5","3","2","1","1") = "5"
    & skf21("6","5","3","5","3","2","2","1") = "5"
    & skf21("6","5","3","5","3","2","3","1") = "5"
    & skf21("6","5","3","5","3","2","4","1") = "5"
    & skf21("6","5","3","5","3","2","5","1") = "5"
    & skf21("6","5","3","5","3","2","6","1") = "5"
    & skf21("6","5","3","5","3","2","7","1") = "6"
    & skf21("6","5","3","5","3","3","1","1") = "5"
    & skf21("6","5","3","5","3","3","2","1") = "5"
    & skf21("6","5","3","5","3","3","3","1") = "5"
    & skf21("6","5","3","5","3","3","4","1") = "5"
    & skf21("6","5","3","5","3","3","5","1") = "5"
    & skf21("6","5","3","5","3","3","6","1") = "5"
    & skf21("6","5","3","5","3","3","7","1") = "6"
    & skf21("6","5","3","5","3","4","1","1") = "5"
    & skf21("6","5","3","5","3","4","2","1") = "5"
    & skf21("6","5","3","5","3","4","3","1") = "5"
    & skf21("6","5","3","5","3","4","4","1") = "5"
    & skf21("6","5","3","5","3","4","5","1") = "5"
    & skf21("6","5","3","5","3","4","6","1") = "5"
    & skf21("6","5","3","5","3","4","7","1") = "6"
    & skf21("6","5","3","5","3","5","1","1") = "5"
    & skf21("6","5","3","5","3","5","2","1") = "5"
    & skf21("6","5","3","5","3","5","3","1") = "5"
    & skf21("6","5","3","5","3","5","4","1") = "5"
    & skf21("6","5","3","5","3","5","5","1") = "5"
    & skf21("6","5","3","5","3","5","6","1") = "5"
    & skf21("6","5","3","5","3","5","7","1") = "6"
    & skf21("6","5","3","5","3","6","1","1") = "5"
    & skf21("6","5","3","5","3","6","2","1") = "5"
    & skf21("6","5","3","5","3","6","3","1") = "5"
    & skf21("6","5","3","5","3","6","4","1") = "5"
    & skf21("6","5","3","5","3","6","5","1") = "5"
    & skf21("6","5","3","5","3","6","6","1") = "5"
    & skf21("6","5","3","5","3","6","7","1") = "6"
    & skf21("6","5","3","5","3","7","1","1") = "6"
    & skf21("6","5","3","5","3","7","2","1") = "6"
    & skf21("6","5","3","5","3","7","3","1") = "6"
    & skf21("6","5","3","5","3","7","4","1") = "6"
    & skf21("6","5","3","5","3","7","5","1") = "6"
    & skf21("6","5","3","5","3","7","6","1") = "6"
    & skf21("6","5","3","5","3","7","7","1") = "6"
    & skf21("6","5","3","5","4","1","1","1") = "5"
    & skf21("6","5","3","5","4","1","2","1") = "5"
    & skf21("6","5","3","5","4","1","3","1") = "5"
    & skf21("6","5","3","5","4","1","4","1") = "5"
    & skf21("6","5","3","5","4","1","5","1") = "5"
    & skf21("6","5","3","5","4","1","6","1") = "5"
    & skf21("6","5","3","5","4","1","7","1") = "6"
    & skf21("6","5","3","5","4","2","1","1") = "5"
    & skf21("6","5","3","5","4","2","2","1") = "5"
    & skf21("6","5","3","5","4","2","3","1") = "5"
    & skf21("6","5","3","5","4","2","4","1") = "5"
    & skf21("6","5","3","5","4","2","5","1") = "5"
    & skf21("6","5","3","5","4","2","6","1") = "5"
    & skf21("6","5","3","5","4","2","7","1") = "6"
    & skf21("6","5","3","5","4","3","1","1") = "5"
    & skf21("6","5","3","5","4","3","2","1") = "5"
    & skf21("6","5","3","5","4","3","3","1") = "5"
    & skf21("6","5","3","5","4","3","4","1") = "5"
    & skf21("6","5","3","5","4","3","5","1") = "5"
    & skf21("6","5","3","5","4","3","6","1") = "5"
    & skf21("6","5","3","5","4","3","7","1") = "6"
    & skf21("6","5","3","5","4","4","1","1") = "5"
    & skf21("6","5","3","5","4","4","2","1") = "5"
    & skf21("6","5","3","5","4","4","3","1") = "5"
    & skf21("6","5","3","5","4","4","4","1") = "5"
    & skf21("6","5","3","5","4","4","5","1") = "5"
    & skf21("6","5","3","5","4","4","6","1") = "5"
    & skf21("6","5","3","5","4","4","7","1") = "6"
    & skf21("6","5","3","5","4","5","1","1") = "5"
    & skf21("6","5","3","5","4","5","2","1") = "5"
    & skf21("6","5","3","5","4","5","3","1") = "5"
    & skf21("6","5","3","5","4","5","4","1") = "5"
    & skf21("6","5","3","5","4","5","5","1") = "5"
    & skf21("6","5","3","5","4","5","6","1") = "5"
    & skf21("6","5","3","5","4","5","7","1") = "6"
    & skf21("6","5","3","5","4","6","1","1") = "5"
    & skf21("6","5","3","5","4","6","2","1") = "5"
    & skf21("6","5","3","5","4","6","3","1") = "5"
    & skf21("6","5","3","5","4","6","4","1") = "5"
    & skf21("6","5","3","5","4","6","5","1") = "5"
    & skf21("6","5","3","5","4","6","6","1") = "5"
    & skf21("6","5","3","5","4","6","7","1") = "6"
    & skf21("6","5","3","5","4","7","1","1") = "6"
    & skf21("6","5","3","5","4","7","2","1") = "6"
    & skf21("6","5","3","5","4","7","3","1") = "6"
    & skf21("6","5","3","5","4","7","4","1") = "6"
    & skf21("6","5","3","5","4","7","5","1") = "6"
    & skf21("6","5","3","5","4","7","6","1") = "6"
    & skf21("6","5","3","5","4","7","7","1") = "6"
    & skf21("6","5","3","5","5","1","1","1") = "5"
    & skf21("6","5","3","5","5","1","2","1") = "5"
    & skf21("6","5","3","5","5","1","3","1") = "5"
    & skf21("6","5","3","5","5","1","4","1") = "5"
    & skf21("6","5","3","5","5","1","5","1") = "5"
    & skf21("6","5","3","5","5","1","6","1") = "5"
    & skf21("6","5","3","5","5","1","7","1") = "6"
    & skf21("6","5","3","5","5","2","1","1") = "5"
    & skf21("6","5","3","5","5","2","2","1") = "5"
    & skf21("6","5","3","5","5","2","3","1") = "5"
    & skf21("6","5","3","5","5","2","4","1") = "5"
    & skf21("6","5","3","5","5","2","5","1") = "5"
    & skf21("6","5","3","5","5","2","6","1") = "5"
    & skf21("6","5","3","5","5","2","7","1") = "6"
    & skf21("6","5","3","5","5","3","1","1") = "5"
    & skf21("6","5","3","5","5","3","2","1") = "5"
    & skf21("6","5","3","5","5","3","3","1") = "5"
    & skf21("6","5","3","5","5","3","4","1") = "5"
    & skf21("6","5","3","5","5","3","5","1") = "5"
    & skf21("6","5","3","5","5","3","6","1") = "5"
    & skf21("6","5","3","5","5","3","7","1") = "6"
    & skf21("6","5","3","5","5","4","1","1") = "5"
    & skf21("6","5","3","5","5","4","2","1") = "5"
    & skf21("6","5","3","5","5","4","3","1") = "5"
    & skf21("6","5","3","5","5","4","4","1") = "5"
    & skf21("6","5","3","5","5","4","5","1") = "5"
    & skf21("6","5","3","5","5","4","6","1") = "5"
    & skf21("6","5","3","5","5","4","7","1") = "6"
    & skf21("6","5","3","5","5","5","1","1") = "5"
    & skf21("6","5","3","5","5","5","2","1") = "5"
    & skf21("6","5","3","5","5","5","3","1") = "5"
    & skf21("6","5","3","5","5","5","4","1") = "5"
    & skf21("6","5","3","5","5","5","5","1") = "5"
    & skf21("6","5","3","5","5","5","6","1") = "5"
    & skf21("6","5","3","5","5","5","7","1") = "6"
    & skf21("6","5","3","5","5","6","1","1") = "5"
    & skf21("6","5","3","5","5","6","2","1") = "5"
    & skf21("6","5","3","5","5","6","3","1") = "5"
    & skf21("6","5","3","5","5","6","4","1") = "5"
    & skf21("6","5","3","5","5","6","5","1") = "5"
    & skf21("6","5","3","5","5","6","6","1") = "5"
    & skf21("6","5","3","5","5","6","7","1") = "6"
    & skf21("6","5","3","5","5","7","1","1") = "6"
    & skf21("6","5","3","5","5","7","2","1") = "6"
    & skf21("6","5","3","5","5","7","3","1") = "6"
    & skf21("6","5","3","5","5","7","4","1") = "6"
    & skf21("6","5","3","5","5","7","5","1") = "6"
    & skf21("6","5","3","5","5","7","6","1") = "6"
    & skf21("6","5","3","5","5","7","7","1") = "6"
    & skf21("6","5","3","5","6","1","1","1") = "5"
    & skf21("6","5","3","5","6","1","2","1") = "5"
    & skf21("6","5","3","5","6","1","3","1") = "5"
    & skf21("6","5","3","5","6","1","4","1") = "5"
    & skf21("6","5","3","5","6","1","5","1") = "5"
    & skf21("6","5","3","5","6","1","6","1") = "5"
    & skf21("6","5","3","5","6","1","7","1") = "6"
    & skf21("6","5","3","5","6","2","1","1") = "5"
    & skf21("6","5","3","5","6","2","2","1") = "5"
    & skf21("6","5","3","5","6","2","3","1") = "5"
    & skf21("6","5","3","5","6","2","4","1") = "5"
    & skf21("6","5","3","5","6","2","5","1") = "5"
    & skf21("6","5","3","5","6","2","6","1") = "5"
    & skf21("6","5","3","5","6","2","7","1") = "6"
    & skf21("6","5","3","5","6","3","1","1") = "5"
    & skf21("6","5","3","5","6","3","2","1") = "5"
    & skf21("6","5","3","5","6","3","3","1") = "5"
    & skf21("6","5","3","5","6","3","4","1") = "5"
    & skf21("6","5","3","5","6","3","5","1") = "5"
    & skf21("6","5","3","5","6","3","6","1") = "5"
    & skf21("6","5","3","5","6","3","7","1") = "6"
    & skf21("6","5","3","5","6","4","1","1") = "5"
    & skf21("6","5","3","5","6","4","2","1") = "5"
    & skf21("6","5","3","5","6","4","3","1") = "5"
    & skf21("6","5","3","5","6","4","4","1") = "5"
    & skf21("6","5","3","5","6","4","5","1") = "5"
    & skf21("6","5","3","5","6","4","6","1") = "5"
    & skf21("6","5","3","5","6","4","7","1") = "6"
    & skf21("6","5","3","5","6","5","1","1") = "5"
    & skf21("6","5","3","5","6","5","2","1") = "5"
    & skf21("6","5","3","5","6","5","3","1") = "5"
    & skf21("6","5","3","5","6","5","4","1") = "5"
    & skf21("6","5","3","5","6","5","5","1") = "5"
    & skf21("6","5","3","5","6","5","6","1") = "5"
    & skf21("6","5","3","5","6","5","7","1") = "6"
    & skf21("6","5","3","5","6","6","1","1") = "5"
    & skf21("6","5","3","5","6","6","2","1") = "5"
    & skf21("6","5","3","5","6","6","3","1") = "5"
    & skf21("6","5","3","5","6","6","4","1") = "5"
    & skf21("6","5","3","5","6","6","5","1") = "5"
    & skf21("6","5","3","5","6","6","6","1") = "5"
    & skf21("6","5","3","5","6","6","7","1") = "6"
    & skf21("6","5","3","5","6","7","1","1") = "6"
    & skf21("6","5","3","5","6","7","2","1") = "6"
    & skf21("6","5","3","5","6","7","3","1") = "6"
    & skf21("6","5","3","5","6","7","4","1") = "6"
    & skf21("6","5","3","5","6","7","5","1") = "6"
    & skf21("6","5","3","5","6","7","6","1") = "6"
    & skf21("6","5","3","5","6","7","7","1") = "6"
    & skf21("6","5","3","5","7","1","1","1") = "6"
    & skf21("6","5","3","5","7","1","2","1") = "6"
    & skf21("6","5","3","5","7","1","3","1") = "6"
    & skf21("6","5","3","5","7","1","4","1") = "6"
    & skf21("6","5","3","5","7","1","5","1") = "6"
    & skf21("6","5","3","5","7","1","6","1") = "6"
    & skf21("6","5","3","5","7","1","7","1") = "6"
    & skf21("6","5","3","5","7","2","1","1") = "6"
    & skf21("6","5","3","5","7","2","2","1") = "6"
    & skf21("6","5","3","5","7","2","3","1") = "6"
    & skf21("6","5","3","5","7","2","4","1") = "6"
    & skf21("6","5","3","5","7","2","5","1") = "6"
    & skf21("6","5","3","5","7","2","6","1") = "6"
    & skf21("6","5","3","5","7","2","7","1") = "6"
    & skf21("6","5","3","5","7","3","1","1") = "6"
    & skf21("6","5","3","5","7","3","2","1") = "6"
    & skf21("6","5","3","5","7","3","3","1") = "6"
    & skf21("6","5","3","5","7","3","4","1") = "6"
    & skf21("6","5","3","5","7","3","5","1") = "6"
    & skf21("6","5","3","5","7","3","6","1") = "6"
    & skf21("6","5","3","5","7","3","7","1") = "6"
    & skf21("6","5","3","5","7","4","1","1") = "6"
    & skf21("6","5","3","5","7","4","2","1") = "6"
    & skf21("6","5","3","5","7","4","3","1") = "6"
    & skf21("6","5","3","5","7","4","4","1") = "6"
    & skf21("6","5","3","5","7","4","5","1") = "6"
    & skf21("6","5","3","5","7","4","6","1") = "6"
    & skf21("6","5","3","5","7","4","7","1") = "6"
    & skf21("6","5","3","5","7","5","1","1") = "6"
    & skf21("6","5","3","5","7","5","2","1") = "6"
    & skf21("6","5","3","5","7","5","3","1") = "6"
    & skf21("6","5","3","5","7","5","4","1") = "6"
    & skf21("6","5","3","5","7","5","5","1") = "6"
    & skf21("6","5","3","5","7","5","6","1") = "6"
    & skf21("6","5","3","5","7","5","7","1") = "6"
    & skf21("6","5","3","5","7","6","1","1") = "6"
    & skf21("6","5","3","5","7","6","2","1") = "6"
    & skf21("6","5","3","5","7","6","3","1") = "6"
    & skf21("6","5","3","5","7","6","4","1") = "6"
    & skf21("6","5","3","5","7","6","5","1") = "6"
    & skf21("6","5","3","5","7","6","6","1") = "6"
    & skf21("6","5","3","5","7","6","7","1") = "6"
    & skf21("6","5","3","5","7","7","1","1") = "6"
    & skf21("6","5","3","5","7","7","2","1") = "6"
    & skf21("6","5","3","5","7","7","3","1") = "6"
    & skf21("6","5","3","5","7","7","4","1") = "6"
    & skf21("6","5","3","5","7","7","5","1") = "6"
    & skf21("6","5","3","5","7","7","6","1") = "6"
    & skf21("6","5","3","5","7","7","7","1") = "6"
    & skf21("6","5","3","6","1","1","1","1") = "5"
    & skf21("6","5","3","6","1","1","2","1") = "5"
    & skf21("6","5","3","6","1","1","3","1") = "5"
    & skf21("6","5","3","6","1","1","4","1") = "5"
    & skf21("6","5","3","6","1","1","5","1") = "5"
    & skf21("6","5","3","6","1","1","6","1") = "5"
    & skf21("6","5","3","6","1","1","7","1") = "6"
    & skf21("6","5","3","6","1","2","1","1") = "5"
    & skf21("6","5","3","6","1","2","2","1") = "5"
    & skf21("6","5","3","6","1","2","3","1") = "5"
    & skf21("6","5","3","6","1","2","4","1") = "5"
    & skf21("6","5","3","6","1","2","5","1") = "5"
    & skf21("6","5","3","6","1","2","6","1") = "5"
    & skf21("6","5","3","6","1","2","7","1") = "6"
    & skf21("6","5","3","6","1","3","1","1") = "5"
    & skf21("6","5","3","6","1","3","2","1") = "5"
    & skf21("6","5","3","6","1","3","3","1") = "5"
    & skf21("6","5","3","6","1","3","4","1") = "5"
    & skf21("6","5","3","6","1","3","5","1") = "5"
    & skf21("6","5","3","6","1","3","6","1") = "5"
    & skf21("6","5","3","6","1","3","7","1") = "6"
    & skf21("6","5","3","6","1","4","1","1") = "5"
    & skf21("6","5","3","6","1","4","2","1") = "5"
    & skf21("6","5","3","6","1","4","3","1") = "5"
    & skf21("6","5","3","6","1","4","4","1") = "5"
    & skf21("6","5","3","6","1","4","5","1") = "5"
    & skf21("6","5","3","6","1","4","6","1") = "5"
    & skf21("6","5","3","6","1","4","7","1") = "6"
    & skf21("6","5","3","6","1","5","1","1") = "5"
    & skf21("6","5","3","6","1","5","2","1") = "5"
    & skf21("6","5","3","6","1","5","3","1") = "5"
    & skf21("6","5","3","6","1","5","4","1") = "5"
    & skf21("6","5","3","6","1","5","5","1") = "5"
    & skf21("6","5","3","6","1","5","6","1") = "5"
    & skf21("6","5","3","6","1","5","7","1") = "6"
    & skf21("6","5","3","6","1","6","1","1") = "5"
    & skf21("6","5","3","6","1","6","2","1") = "5"
    & skf21("6","5","3","6","1","6","3","1") = "5"
    & skf21("6","5","3","6","1","6","4","1") = "5"
    & skf21("6","5","3","6","1","6","5","1") = "5"
    & skf21("6","5","3","6","1","6","6","1") = "5"
    & skf21("6","5","3","6","1","6","7","1") = "6"
    & skf21("6","5","3","6","1","7","1","1") = "6"
    & skf21("6","5","3","6","1","7","2","1") = "6"
    & skf21("6","5","3","6","1","7","3","1") = "6"
    & skf21("6","5","3","6","1","7","4","1") = "6"
    & skf21("6","5","3","6","1","7","5","1") = "6"
    & skf21("6","5","3","6","1","7","6","1") = "6"
    & skf21("6","5","3","6","1","7","7","1") = "6"
    & skf21("6","5","3","6","2","1","1","1") = "5"
    & skf21("6","5","3","6","2","1","2","1") = "5"
    & skf21("6","5","3","6","2","1","3","1") = "5"
    & skf21("6","5","3","6","2","1","4","1") = "5"
    & skf21("6","5","3","6","2","1","5","1") = "5"
    & skf21("6","5","3","6","2","1","6","1") = "5"
    & skf21("6","5","3","6","2","1","7","1") = "6"
    & skf21("6","5","3","6","2","2","1","1") = "5"
    & skf21("6","5","3","6","2","2","2","1") = "5"
    & skf21("6","5","3","6","2","2","3","1") = "5"
    & skf21("6","5","3","6","2","2","4","1") = "5"
    & skf21("6","5","3","6","2","2","5","1") = "5"
    & skf21("6","5","3","6","2","2","6","1") = "5"
    & skf21("6","5","3","6","2","2","7","1") = "6"
    & skf21("6","5","3","6","2","3","1","1") = "5"
    & skf21("6","5","3","6","2","3","2","1") = "5"
    & skf21("6","5","3","6","2","3","3","1") = "5"
    & skf21("6","5","3","6","2","3","4","1") = "5"
    & skf21("6","5","3","6","2","3","5","1") = "5"
    & skf21("6","5","3","6","2","3","6","1") = "5"
    & skf21("6","5","3","6","2","3","7","1") = "6"
    & skf21("6","5","3","6","2","4","1","1") = "5"
    & skf21("6","5","3","6","2","4","2","1") = "5"
    & skf21("6","5","3","6","2","4","3","1") = "5"
    & skf21("6","5","3","6","2","4","4","1") = "5"
    & skf21("6","5","3","6","2","4","5","1") = "5"
    & skf21("6","5","3","6","2","4","6","1") = "5"
    & skf21("6","5","3","6","2","4","7","1") = "6"
    & skf21("6","5","3","6","2","5","1","1") = "5"
    & skf21("6","5","3","6","2","5","2","1") = "5"
    & skf21("6","5","3","6","2","5","3","1") = "5"
    & skf21("6","5","3","6","2","5","4","1") = "5"
    & skf21("6","5","3","6","2","5","5","1") = "5"
    & skf21("6","5","3","6","2","5","6","1") = "5"
    & skf21("6","5","3","6","2","5","7","1") = "6"
    & skf21("6","5","3","6","2","6","1","1") = "5"
    & skf21("6","5","3","6","2","6","2","1") = "5"
    & skf21("6","5","3","6","2","6","3","1") = "5"
    & skf21("6","5","3","6","2","6","4","1") = "5"
    & skf21("6","5","3","6","2","6","5","1") = "5"
    & skf21("6","5","3","6","2","6","6","1") = "5"
    & skf21("6","5","3","6","2","6","7","1") = "6"
    & skf21("6","5","3","6","2","7","1","1") = "6"
    & skf21("6","5","3","6","2","7","2","1") = "6"
    & skf21("6","5","3","6","2","7","3","1") = "6"
    & skf21("6","5","3","6","2","7","4","1") = "6"
    & skf21("6","5","3","6","2","7","5","1") = "6"
    & skf21("6","5","3","6","2","7","6","1") = "6"
    & skf21("6","5","3","6","2","7","7","1") = "6"
    & skf21("6","5","3","6","3","1","1","1") = "5"
    & skf21("6","5","3","6","3","1","2","1") = "5"
    & skf21("6","5","3","6","3","1","3","1") = "5"
    & skf21("6","5","3","6","3","1","4","1") = "5"
    & skf21("6","5","3","6","3","1","5","1") = "5"
    & skf21("6","5","3","6","3","1","6","1") = "5"
    & skf21("6","5","3","6","3","1","7","1") = "6"
    & skf21("6","5","3","6","3","2","1","1") = "5"
    & skf21("6","5","3","6","3","2","2","1") = "5"
    & skf21("6","5","3","6","3","2","3","1") = "5"
    & skf21("6","5","3","6","3","2","4","1") = "5"
    & skf21("6","5","3","6","3","2","5","1") = "5"
    & skf21("6","5","3","6","3","2","6","1") = "5"
    & skf21("6","5","3","6","3","2","7","1") = "6"
    & skf21("6","5","3","6","3","3","1","1") = "5"
    & skf21("6","5","3","6","3","3","2","1") = "5"
    & skf21("6","5","3","6","3","3","3","1") = "5"
    & skf21("6","5","3","6","3","3","4","1") = "5"
    & skf21("6","5","3","6","3","3","5","1") = "5"
    & skf21("6","5","3","6","3","3","6","1") = "5"
    & skf21("6","5","3","6","3","3","7","1") = "6"
    & skf21("6","5","3","6","3","4","1","1") = "5"
    & skf21("6","5","3","6","3","4","2","1") = "5"
    & skf21("6","5","3","6","3","4","3","1") = "5"
    & skf21("6","5","3","6","3","4","4","1") = "5"
    & skf21("6","5","3","6","3","4","5","1") = "5"
    & skf21("6","5","3","6","3","4","6","1") = "5"
    & skf21("6","5","3","6","3","4","7","1") = "6"
    & skf21("6","5","3","6","3","5","1","1") = "5"
    & skf21("6","5","3","6","3","5","2","1") = "5"
    & skf21("6","5","3","6","3","5","3","1") = "5"
    & skf21("6","5","3","6","3","5","4","1") = "5"
    & skf21("6","5","3","6","3","5","5","1") = "5"
    & skf21("6","5","3","6","3","5","6","1") = "5"
    & skf21("6","5","3","6","3","5","7","1") = "6"
    & skf21("6","5","3","6","3","6","1","1") = "5"
    & skf21("6","5","3","6","3","6","2","1") = "5"
    & skf21("6","5","3","6","3","6","3","1") = "5"
    & skf21("6","5","3","6","3","6","4","1") = "5"
    & skf21("6","5","3","6","3","6","5","1") = "5"
    & skf21("6","5","3","6","3","6","6","1") = "5"
    & skf21("6","5","3","6","3","6","7","1") = "6"
    & skf21("6","5","3","6","3","7","1","1") = "6"
    & skf21("6","5","3","6","3","7","2","1") = "6"
    & skf21("6","5","3","6","3","7","3","1") = "6"
    & skf21("6","5","3","6","3","7","4","1") = "6"
    & skf21("6","5","3","6","3","7","5","1") = "6"
    & skf21("6","5","3","6","3","7","6","1") = "6"
    & skf21("6","5","3","6","3","7","7","1") = "6"
    & skf21("6","5","3","6","4","1","1","1") = "5"
    & skf21("6","5","3","6","4","1","2","1") = "5"
    & skf21("6","5","3","6","4","1","3","1") = "5"
    & skf21("6","5","3","6","4","1","4","1") = "5"
    & skf21("6","5","3","6","4","1","5","1") = "5"
    & skf21("6","5","3","6","4","1","6","1") = "5"
    & skf21("6","5","3","6","4","1","7","1") = "6"
    & skf21("6","5","3","6","4","2","1","1") = "5"
    & skf21("6","5","3","6","4","2","2","1") = "5"
    & skf21("6","5","3","6","4","2","3","1") = "5"
    & skf21("6","5","3","6","4","2","4","1") = "5"
    & skf21("6","5","3","6","4","2","5","1") = "5"
    & skf21("6","5","3","6","4","2","6","1") = "5"
    & skf21("6","5","3","6","4","2","7","1") = "6"
    & skf21("6","5","3","6","4","3","1","1") = "5"
    & skf21("6","5","3","6","4","3","2","1") = "5"
    & skf21("6","5","3","6","4","3","3","1") = "5"
    & skf21("6","5","3","6","4","3","4","1") = "5"
    & skf21("6","5","3","6","4","3","5","1") = "5"
    & skf21("6","5","3","6","4","3","6","1") = "5"
    & skf21("6","5","3","6","4","3","7","1") = "6"
    & skf21("6","5","3","6","4","4","1","1") = "5"
    & skf21("6","5","3","6","4","4","2","1") = "5"
    & skf21("6","5","3","6","4","4","3","1") = "5"
    & skf21("6","5","3","6","4","4","4","1") = "5"
    & skf21("6","5","3","6","4","4","5","1") = "5"
    & skf21("6","5","3","6","4","4","6","1") = "5"
    & skf21("6","5","3","6","4","4","7","1") = "6"
    & skf21("6","5","3","6","4","5","1","1") = "5"
    & skf21("6","5","3","6","4","5","2","1") = "5"
    & skf21("6","5","3","6","4","5","3","1") = "5"
    & skf21("6","5","3","6","4","5","4","1") = "5"
    & skf21("6","5","3","6","4","5","5","1") = "5"
    & skf21("6","5","3","6","4","5","6","1") = "5"
    & skf21("6","5","3","6","4","5","7","1") = "6"
    & skf21("6","5","3","6","4","6","1","1") = "5"
    & skf21("6","5","3","6","4","6","2","1") = "5"
    & skf21("6","5","3","6","4","6","3","1") = "5"
    & skf21("6","5","3","6","4","6","4","1") = "5"
    & skf21("6","5","3","6","4","6","5","1") = "5"
    & skf21("6","5","3","6","4","6","6","1") = "5"
    & skf21("6","5","3","6","4","6","7","1") = "6"
    & skf21("6","5","3","6","4","7","1","1") = "6"
    & skf21("6","5","3","6","4","7","2","1") = "6"
    & skf21("6","5","3","6","4","7","3","1") = "6"
    & skf21("6","5","3","6","4","7","4","1") = "6"
    & skf21("6","5","3","6","4","7","5","1") = "6"
    & skf21("6","5","3","6","4","7","6","1") = "6"
    & skf21("6","5","3","6","4","7","7","1") = "6"
    & skf21("6","5","3","6","5","1","1","1") = "5"
    & skf21("6","5","3","6","5","1","2","1") = "5"
    & skf21("6","5","3","6","5","1","3","1") = "5"
    & skf21("6","5","3","6","5","1","4","1") = "5"
    & skf21("6","5","3","6","5","1","5","1") = "5"
    & skf21("6","5","3","6","5","1","6","1") = "5"
    & skf21("6","5","3","6","5","1","7","1") = "6"
    & skf21("6","5","3","6","5","2","1","1") = "5"
    & skf21("6","5","3","6","5","2","2","1") = "5"
    & skf21("6","5","3","6","5","2","3","1") = "5"
    & skf21("6","5","3","6","5","2","4","1") = "5"
    & skf21("6","5","3","6","5","2","5","1") = "5"
    & skf21("6","5","3","6","5","2","6","1") = "5"
    & skf21("6","5","3","6","5","2","7","1") = "6"
    & skf21("6","5","3","6","5","3","1","1") = "5"
    & skf21("6","5","3","6","5","3","2","1") = "5"
    & skf21("6","5","3","6","5","3","3","1") = "5"
    & skf21("6","5","3","6","5","3","4","1") = "5"
    & skf21("6","5","3","6","5","3","5","1") = "5"
    & skf21("6","5","3","6","5","3","6","1") = "5"
    & skf21("6","5","3","6","5","3","7","1") = "6"
    & skf21("6","5","3","6","5","4","1","1") = "5"
    & skf21("6","5","3","6","5","4","2","1") = "5"
    & skf21("6","5","3","6","5","4","3","1") = "5"
    & skf21("6","5","3","6","5","4","4","1") = "5"
    & skf21("6","5","3","6","5","4","5","1") = "5"
    & skf21("6","5","3","6","5","4","6","1") = "5"
    & skf21("6","5","3","6","5","4","7","1") = "6"
    & skf21("6","5","3","6","5","5","1","1") = "5"
    & skf21("6","5","3","6","5","5","2","1") = "5"
    & skf21("6","5","3","6","5","5","3","1") = "5"
    & skf21("6","5","3","6","5","5","4","1") = "5"
    & skf21("6","5","3","6","5","5","5","1") = "5"
    & skf21("6","5","3","6","5","5","6","1") = "5"
    & skf21("6","5","3","6","5","5","7","1") = "6"
    & skf21("6","5","3","6","5","6","1","1") = "5"
    & skf21("6","5","3","6","5","6","2","1") = "5"
    & skf21("6","5","3","6","5","6","3","1") = "5"
    & skf21("6","5","3","6","5","6","4","1") = "5"
    & skf21("6","5","3","6","5","6","5","1") = "5"
    & skf21("6","5","3","6","5","6","6","1") = "5"
    & skf21("6","5","3","6","5","6","7","1") = "6"
    & skf21("6","5","3","6","5","7","1","1") = "6"
    & skf21("6","5","3","6","5","7","2","1") = "6"
    & skf21("6","5","3","6","5","7","3","1") = "6"
    & skf21("6","5","3","6","5","7","4","1") = "6"
    & skf21("6","5","3","6","5","7","5","1") = "6"
    & skf21("6","5","3","6","5","7","6","1") = "6"
    & skf21("6","5","3","6","5","7","7","1") = "6"
    & skf21("6","5","3","6","6","1","1","1") = "5"
    & skf21("6","5","3","6","6","1","2","1") = "5"
    & skf21("6","5","3","6","6","1","3","1") = "5"
    & skf21("6","5","3","6","6","1","4","1") = "5"
    & skf21("6","5","3","6","6","1","5","1") = "5"
    & skf21("6","5","3","6","6","1","6","1") = "5"
    & skf21("6","5","3","6","6","1","7","1") = "6"
    & skf21("6","5","3","6","6","2","1","1") = "5"
    & skf21("6","5","3","6","6","2","2","1") = "5"
    & skf21("6","5","3","6","6","2","3","1") = "5"
    & skf21("6","5","3","6","6","2","4","1") = "5"
    & skf21("6","5","3","6","6","2","5","1") = "5"
    & skf21("6","5","3","6","6","2","6","1") = "5"
    & skf21("6","5","3","6","6","2","7","1") = "6"
    & skf21("6","5","3","6","6","3","1","1") = "5"
    & skf21("6","5","3","6","6","3","2","1") = "5"
    & skf21("6","5","3","6","6","3","3","1") = "5"
    & skf21("6","5","3","6","6","3","4","1") = "5"
    & skf21("6","5","3","6","6","3","5","1") = "5"
    & skf21("6","5","3","6","6","3","6","1") = "5"
    & skf21("6","5","3","6","6","3","7","1") = "6"
    & skf21("6","5","3","6","6","4","1","1") = "5"
    & skf21("6","5","3","6","6","4","2","1") = "5"
    & skf21("6","5","3","6","6","4","3","1") = "5"
    & skf21("6","5","3","6","6","4","4","1") = "5"
    & skf21("6","5","3","6","6","4","5","1") = "5"
    & skf21("6","5","3","6","6","4","6","1") = "5"
    & skf21("6","5","3","6","6","4","7","1") = "6"
    & skf21("6","5","3","6","6","5","1","1") = "5"
    & skf21("6","5","3","6","6","5","2","1") = "5"
    & skf21("6","5","3","6","6","5","3","1") = "5"
    & skf21("6","5","3","6","6","5","4","1") = "5"
    & skf21("6","5","3","6","6","5","5","1") = "5"
    & skf21("6","5","3","6","6","5","6","1") = "5"
    & skf21("6","5","3","6","6","5","7","1") = "6"
    & skf21("6","5","3","6","6","6","1","1") = "5"
    & skf21("6","5","3","6","6","6","2","1") = "5"
    & skf21("6","5","3","6","6","6","3","1") = "5"
    & skf21("6","5","3","6","6","6","4","1") = "5"
    & skf21("6","5","3","6","6","6","5","1") = "5"
    & skf21("6","5","3","6","6","6","6","1") = "5"
    & skf21("6","5","3","6","6","6","7","1") = "6"
    & skf21("6","5","3","6","6","7","1","1") = "6"
    & skf21("6","5","3","6","6","7","2","1") = "6"
    & skf21("6","5","3","6","6","7","3","1") = "6"
    & skf21("6","5","3","6","6","7","4","1") = "6"
    & skf21("6","5","3","6","6","7","5","1") = "6"
    & skf21("6","5","3","6","6","7","6","1") = "6"
    & skf21("6","5","3","6","6","7","7","1") = "6"
    & skf21("6","5","3","6","7","1","1","1") = "6"
    & skf21("6","5","3","6","7","1","2","1") = "6"
    & skf21("6","5","3","6","7","1","3","1") = "6"
    & skf21("6","5","3","6","7","1","4","1") = "6"
    & skf21("6","5","3","6","7","1","5","1") = "6"
    & skf21("6","5","3","6","7","1","6","1") = "6"
    & skf21("6","5","3","6","7","1","7","1") = "6"
    & skf21("6","5","3","6","7","2","1","1") = "6"
    & skf21("6","5","3","6","7","2","2","1") = "6"
    & skf21("6","5","3","6","7","2","3","1") = "6"
    & skf21("6","5","3","6","7","2","4","1") = "6"
    & skf21("6","5","3","6","7","2","5","1") = "6"
    & skf21("6","5","3","6","7","2","6","1") = "6"
    & skf21("6","5","3","6","7","2","7","1") = "6"
    & skf21("6","5","3","6","7","3","1","1") = "6"
    & skf21("6","5","3","6","7","3","2","1") = "6"
    & skf21("6","5","3","6","7","3","3","1") = "6"
    & skf21("6","5","3","6","7","3","4","1") = "6"
    & skf21("6","5","3","6","7","3","5","1") = "6"
    & skf21("6","5","3","6","7","3","6","1") = "6"
    & skf21("6","5","3","6","7","3","7","1") = "6"
    & skf21("6","5","3","6","7","4","1","1") = "6"
    & skf21("6","5","3","6","7","4","2","1") = "6"
    & skf21("6","5","3","6","7","4","3","1") = "6"
    & skf21("6","5","3","6","7","4","4","1") = "6"
    & skf21("6","5","3","6","7","4","5","1") = "6"
    & skf21("6","5","3","6","7","4","6","1") = "6"
    & skf21("6","5","3","6","7","4","7","1") = "6"
    & skf21("6","5","3","6","7","5","1","1") = "6"
    & skf21("6","5","3","6","7","5","2","1") = "6"
    & skf21("6","5","3","6","7","5","3","1") = "6"
    & skf21("6","5","3","6","7","5","4","1") = "6"
    & skf21("6","5","3","6","7","5","5","1") = "6"
    & skf21("6","5","3","6","7","5","6","1") = "6"
    & skf21("6","5","3","6","7","5","7","1") = "6"
    & skf21("6","5","3","6","7","6","1","1") = "6"
    & skf21("6","5","3","6","7","6","2","1") = "6"
    & skf21("6","5","3","6","7","6","3","1") = "6"
    & skf21("6","5","3","6","7","6","4","1") = "6"
    & skf21("6","5","3","6","7","6","5","1") = "6"
    & skf21("6","5","3","6","7","6","6","1") = "6"
    & skf21("6","5","3","6","7","6","7","1") = "6"
    & skf21("6","5","3","6","7","7","1","1") = "6"
    & skf21("6","5","3","6","7","7","2","1") = "6"
    & skf21("6","5","3","6","7","7","3","1") = "6"
    & skf21("6","5","3","6","7","7","4","1") = "6"
    & skf21("6","5","3","6","7","7","5","1") = "6"
    & skf21("6","5","3","6","7","7","6","1") = "6"
    & skf21("6","5","3","6","7","7","7","1") = "6"
    & skf21("6","5","3","7","1","1","1","1") = "6"
    & skf21("6","5","3","7","1","1","2","1") = "6"
    & skf21("6","5","3","7","1","1","3","1") = "6"
    & skf21("6","5","3","7","1","1","4","1") = "6"
    & skf21("6","5","3","7","1","1","5","1") = "6"
    & skf21("6","5","3","7","1","1","6","1") = "6"
    & skf21("6","5","3","7","1","1","7","1") = "6"
    & skf21("6","5","3","7","1","2","1","1") = "6"
    & skf21("6","5","3","7","1","2","2","1") = "6"
    & skf21("6","5","3","7","1","2","3","1") = "6"
    & skf21("6","5","3","7","1","2","4","1") = "6"
    & skf21("6","5","3","7","1","2","5","1") = "6"
    & skf21("6","5","3","7","1","2","6","1") = "6"
    & skf21("6","5","3","7","1","2","7","1") = "6"
    & skf21("6","5","3","7","1","3","1","1") = "6"
    & skf21("6","5","3","7","1","3","2","1") = "6"
    & skf21("6","5","3","7","1","3","3","1") = "6"
    & skf21("6","5","3","7","1","3","4","1") = "6"
    & skf21("6","5","3","7","1","3","5","1") = "6"
    & skf21("6","5","3","7","1","3","6","1") = "6"
    & skf21("6","5","3","7","1","3","7","1") = "6"
    & skf21("6","5","3","7","1","4","1","1") = "6"
    & skf21("6","5","3","7","1","4","2","1") = "6"
    & skf21("6","5","3","7","1","4","3","1") = "6"
    & skf21("6","5","3","7","1","4","4","1") = "6"
    & skf21("6","5","3","7","1","4","5","1") = "6"
    & skf21("6","5","3","7","1","4","6","1") = "6"
    & skf21("6","5","3","7","1","4","7","1") = "6"
    & skf21("6","5","3","7","1","5","1","1") = "6"
    & skf21("6","5","3","7","1","5","2","1") = "6"
    & skf21("6","5","3","7","1","5","3","1") = "6"
    & skf21("6","5","3","7","1","5","4","1") = "6"
    & skf21("6","5","3","7","1","5","5","1") = "6"
    & skf21("6","5","3","7","1","5","6","1") = "6"
    & skf21("6","5","3","7","1","5","7","1") = "6"
    & skf21("6","5","3","7","1","6","1","1") = "6"
    & skf21("6","5","3","7","1","6","2","1") = "6"
    & skf21("6","5","3","7","1","6","3","1") = "6"
    & skf21("6","5","3","7","1","6","4","1") = "6"
    & skf21("6","5","3","7","1","6","5","1") = "6"
    & skf21("6","5","3","7","1","6","6","1") = "6"
    & skf21("6","5","3","7","1","6","7","1") = "6"
    & skf21("6","5","3","7","1","7","1","1") = "6"
    & skf21("6","5","3","7","1","7","2","1") = "6"
    & skf21("6","5","3","7","1","7","3","1") = "6"
    & skf21("6","5","3","7","1","7","4","1") = "6"
    & skf21("6","5","3","7","1","7","5","1") = "6"
    & skf21("6","5","3","7","1","7","6","1") = "6"
    & skf21("6","5","3","7","1","7","7","1") = "6"
    & skf21("6","5","3","7","2","1","1","1") = "6"
    & skf21("6","5","3","7","2","1","2","1") = "6"
    & skf21("6","5","3","7","2","1","3","1") = "6"
    & skf21("6","5","3","7","2","1","4","1") = "6"
    & skf21("6","5","3","7","2","1","5","1") = "6"
    & skf21("6","5","3","7","2","1","6","1") = "6"
    & skf21("6","5","3","7","2","1","7","1") = "6"
    & skf21("6","5","3","7","2","2","1","1") = "6"
    & skf21("6","5","3","7","2","2","2","1") = "6"
    & skf21("6","5","3","7","2","2","3","1") = "6"
    & skf21("6","5","3","7","2","2","4","1") = "6"
    & skf21("6","5","3","7","2","2","5","1") = "6"
    & skf21("6","5","3","7","2","2","6","1") = "6"
    & skf21("6","5","3","7","2","2","7","1") = "6"
    & skf21("6","5","3","7","2","3","1","1") = "6"
    & skf21("6","5","3","7","2","3","2","1") = "6"
    & skf21("6","5","3","7","2","3","3","1") = "6"
    & skf21("6","5","3","7","2","3","4","1") = "6"
    & skf21("6","5","3","7","2","3","5","1") = "6"
    & skf21("6","5","3","7","2","3","6","1") = "6"
    & skf21("6","5","3","7","2","3","7","1") = "6"
    & skf21("6","5","3","7","2","4","1","1") = "6"
    & skf21("6","5","3","7","2","4","2","1") = "6"
    & skf21("6","5","3","7","2","4","3","1") = "6"
    & skf21("6","5","3","7","2","4","4","1") = "6"
    & skf21("6","5","3","7","2","4","5","1") = "6"
    & skf21("6","5","3","7","2","4","6","1") = "6"
    & skf21("6","5","3","7","2","4","7","1") = "6"
    & skf21("6","5","3","7","2","5","1","1") = "6"
    & skf21("6","5","3","7","2","5","2","1") = "6"
    & skf21("6","5","3","7","2","5","3","1") = "6"
    & skf21("6","5","3","7","2","5","4","1") = "6"
    & skf21("6","5","3","7","2","5","5","1") = "6"
    & skf21("6","5","3","7","2","5","6","1") = "6"
    & skf21("6","5","3","7","2","5","7","1") = "6"
    & skf21("6","5","3","7","2","6","1","1") = "6"
    & skf21("6","5","3","7","2","6","2","1") = "6"
    & skf21("6","5","3","7","2","6","3","1") = "6"
    & skf21("6","5","3","7","2","6","4","1") = "6"
    & skf21("6","5","3","7","2","6","5","1") = "6"
    & skf21("6","5","3","7","2","6","6","1") = "6"
    & skf21("6","5","3","7","2","6","7","1") = "6"
    & skf21("6","5","3","7","2","7","1","1") = "6"
    & skf21("6","5","3","7","2","7","2","1") = "6"
    & skf21("6","5","3","7","2","7","3","1") = "6"
    & skf21("6","5","3","7","2","7","4","1") = "6"
    & skf21("6","5","3","7","2","7","5","1") = "6"
    & skf21("6","5","3","7","2","7","6","1") = "6"
    & skf21("6","5","3","7","2","7","7","1") = "6"
    & skf21("6","5","3","7","3","1","1","1") = "6"
    & skf21("6","5","3","7","3","1","2","1") = "6"
    & skf21("6","5","3","7","3","1","3","1") = "6"
    & skf21("6","5","3","7","3","1","4","1") = "6"
    & skf21("6","5","3","7","3","1","5","1") = "6"
    & skf21("6","5","3","7","3","1","6","1") = "6"
    & skf21("6","5","3","7","3","1","7","1") = "6"
    & skf21("6","5","3","7","3","2","1","1") = "6"
    & skf21("6","5","3","7","3","2","2","1") = "6"
    & skf21("6","5","3","7","3","2","3","1") = "6"
    & skf21("6","5","3","7","3","2","4","1") = "6"
    & skf21("6","5","3","7","3","2","5","1") = "6"
    & skf21("6","5","3","7","3","2","6","1") = "6"
    & skf21("6","5","3","7","3","2","7","1") = "6"
    & skf21("6","5","3","7","3","3","1","1") = "6"
    & skf21("6","5","3","7","3","3","2","1") = "6"
    & skf21("6","5","3","7","3","3","3","1") = "6"
    & skf21("6","5","3","7","3","3","4","1") = "6"
    & skf21("6","5","3","7","3","3","5","1") = "6"
    & skf21("6","5","3","7","3","3","6","1") = "6"
    & skf21("6","5","3","7","3","3","7","1") = "6"
    & skf21("6","5","3","7","3","4","1","1") = "6"
    & skf21("6","5","3","7","3","4","2","1") = "6"
    & skf21("6","5","3","7","3","4","3","1") = "6"
    & skf21("6","5","3","7","3","4","4","1") = "6"
    & skf21("6","5","3","7","3","4","5","1") = "6"
    & skf21("6","5","3","7","3","4","6","1") = "6"
    & skf21("6","5","3","7","3","4","7","1") = "6"
    & skf21("6","5","3","7","3","5","1","1") = "6"
    & skf21("6","5","3","7","3","5","2","1") = "6"
    & skf21("6","5","3","7","3","5","3","1") = "6"
    & skf21("6","5","3","7","3","5","4","1") = "6"
    & skf21("6","5","3","7","3","5","5","1") = "6"
    & skf21("6","5","3","7","3","5","6","1") = "6"
    & skf21("6","5","3","7","3","5","7","1") = "6"
    & skf21("6","5","3","7","3","6","1","1") = "6"
    & skf21("6","5","3","7","3","6","2","1") = "6"
    & skf21("6","5","3","7","3","6","3","1") = "6"
    & skf21("6","5","3","7","3","6","4","1") = "6"
    & skf21("6","5","3","7","3","6","5","1") = "6"
    & skf21("6","5","3","7","3","6","6","1") = "6"
    & skf21("6","5","3","7","3","6","7","1") = "6"
    & skf21("6","5","3","7","3","7","1","1") = "6"
    & skf21("6","5","3","7","3","7","2","1") = "6"
    & skf21("6","5","3","7","3","7","3","1") = "6"
    & skf21("6","5","3","7","3","7","4","1") = "6"
    & skf21("6","5","3","7","3","7","5","1") = "6"
    & skf21("6","5","3","7","3","7","6","1") = "6"
    & skf21("6","5","3","7","3","7","7","1") = "6"
    & skf21("6","5","3","7","4","1","1","1") = "6"
    & skf21("6","5","3","7","4","1","2","1") = "6"
    & skf21("6","5","3","7","4","1","3","1") = "6"
    & skf21("6","5","3","7","4","1","4","1") = "6"
    & skf21("6","5","3","7","4","1","5","1") = "6"
    & skf21("6","5","3","7","4","1","6","1") = "6"
    & skf21("6","5","3","7","4","1","7","1") = "6"
    & skf21("6","5","3","7","4","2","1","1") = "6"
    & skf21("6","5","3","7","4","2","2","1") = "6"
    & skf21("6","5","3","7","4","2","3","1") = "6"
    & skf21("6","5","3","7","4","2","4","1") = "6"
    & skf21("6","5","3","7","4","2","5","1") = "6"
    & skf21("6","5","3","7","4","2","6","1") = "6"
    & skf21("6","5","3","7","4","2","7","1") = "6"
    & skf21("6","5","3","7","4","3","1","1") = "6"
    & skf21("6","5","3","7","4","3","2","1") = "6"
    & skf21("6","5","3","7","4","3","3","1") = "6"
    & skf21("6","5","3","7","4","3","4","1") = "6"
    & skf21("6","5","3","7","4","3","5","1") = "6"
    & skf21("6","5","3","7","4","3","6","1") = "6"
    & skf21("6","5","3","7","4","3","7","1") = "6"
    & skf21("6","5","3","7","4","4","1","1") = "6"
    & skf21("6","5","3","7","4","4","2","1") = "6"
    & skf21("6","5","3","7","4","4","3","1") = "6"
    & skf21("6","5","3","7","4","4","4","1") = "6"
    & skf21("6","5","3","7","4","4","5","1") = "6"
    & skf21("6","5","3","7","4","4","6","1") = "6"
    & skf21("6","5","3","7","4","4","7","1") = "6"
    & skf21("6","5","3","7","4","5","1","1") = "6"
    & skf21("6","5","3","7","4","5","2","1") = "6"
    & skf21("6","5","3","7","4","5","3","1") = "6"
    & skf21("6","5","3","7","4","5","4","1") = "6"
    & skf21("6","5","3","7","4","5","5","1") = "6"
    & skf21("6","5","3","7","4","5","6","1") = "6"
    & skf21("6","5","3","7","4","5","7","1") = "6"
    & skf21("6","5","3","7","4","6","1","1") = "6"
    & skf21("6","5","3","7","4","6","2","1") = "6"
    & skf21("6","5","3","7","4","6","3","1") = "6"
    & skf21("6","5","3","7","4","6","4","1") = "6"
    & skf21("6","5","3","7","4","6","5","1") = "6"
    & skf21("6","5","3","7","4","6","6","1") = "6"
    & skf21("6","5","3","7","4","6","7","1") = "6"
    & skf21("6","5","3","7","4","7","1","1") = "6"
    & skf21("6","5","3","7","4","7","2","1") = "6"
    & skf21("6","5","3","7","4","7","3","1") = "6"
    & skf21("6","5","3","7","4","7","4","1") = "6"
    & skf21("6","5","3","7","4","7","5","1") = "6"
    & skf21("6","5","3","7","4","7","6","1") = "6"
    & skf21("6","5","3","7","4","7","7","1") = "6"
    & skf21("6","5","3","7","5","1","1","1") = "6"
    & skf21("6","5","3","7","5","1","2","1") = "6"
    & skf21("6","5","3","7","5","1","3","1") = "6"
    & skf21("6","5","3","7","5","1","4","1") = "6"
    & skf21("6","5","3","7","5","1","5","1") = "6"
    & skf21("6","5","3","7","5","1","6","1") = "6"
    & skf21("6","5","3","7","5","1","7","1") = "6"
    & skf21("6","5","3","7","5","2","1","1") = "6"
    & skf21("6","5","3","7","5","2","2","1") = "6"
    & skf21("6","5","3","7","5","2","3","1") = "6"
    & skf21("6","5","3","7","5","2","4","1") = "6"
    & skf21("6","5","3","7","5","2","5","1") = "6"
    & skf21("6","5","3","7","5","2","6","1") = "6"
    & skf21("6","5","3","7","5","2","7","1") = "6"
    & skf21("6","5","3","7","5","3","1","1") = "6"
    & skf21("6","5","3","7","5","3","2","1") = "6"
    & skf21("6","5","3","7","5","3","3","1") = "6"
    & skf21("6","5","3","7","5","3","4","1") = "6"
    & skf21("6","5","3","7","5","3","5","1") = "6"
    & skf21("6","5","3","7","5","3","6","1") = "6"
    & skf21("6","5","3","7","5","3","7","1") = "6"
    & skf21("6","5","3","7","5","4","1","1") = "6"
    & skf21("6","5","3","7","5","4","2","1") = "6"
    & skf21("6","5","3","7","5","4","3","1") = "6"
    & skf21("6","5","3","7","5","4","4","1") = "6"
    & skf21("6","5","3","7","5","4","5","1") = "6"
    & skf21("6","5","3","7","5","4","6","1") = "6"
    & skf21("6","5","3","7","5","4","7","1") = "6"
    & skf21("6","5","3","7","5","5","1","1") = "6"
    & skf21("6","5","3","7","5","5","2","1") = "6"
    & skf21("6","5","3","7","5","5","3","1") = "6"
    & skf21("6","5","3","7","5","5","4","1") = "6"
    & skf21("6","5","3","7","5","5","5","1") = "6"
    & skf21("6","5","3","7","5","5","6","1") = "6"
    & skf21("6","5","3","7","5","5","7","1") = "6"
    & skf21("6","5","3","7","5","6","1","1") = "6"
    & skf21("6","5","3","7","5","6","2","1") = "6"
    & skf21("6","5","3","7","5","6","3","1") = "6"
    & skf21("6","5","3","7","5","6","4","1") = "6"
    & skf21("6","5","3","7","5","6","5","1") = "6"
    & skf21("6","5","3","7","5","6","6","1") = "6"
    & skf21("6","5","3","7","5","6","7","1") = "6"
    & skf21("6","5","3","7","5","7","1","1") = "6"
    & skf21("6","5","3","7","5","7","2","1") = "6"
    & skf21("6","5","3","7","5","7","3","1") = "6"
    & skf21("6","5","3","7","5","7","4","1") = "6"
    & skf21("6","5","3","7","5","7","5","1") = "6"
    & skf21("6","5","3","7","5","7","6","1") = "6"
    & skf21("6","5","3","7","5","7","7","1") = "6"
    & skf21("6","5","3","7","6","1","1","1") = "6"
    & skf21("6","5","3","7","6","1","2","1") = "6"
    & skf21("6","5","3","7","6","1","3","1") = "6"
    & skf21("6","5","3","7","6","1","4","1") = "6"
    & skf21("6","5","3","7","6","1","5","1") = "6"
    & skf21("6","5","3","7","6","1","6","1") = "6"
    & skf21("6","5","3","7","6","1","7","1") = "6"
    & skf21("6","5","3","7","6","2","1","1") = "6"
    & skf21("6","5","3","7","6","2","2","1") = "6"
    & skf21("6","5","3","7","6","2","3","1") = "6"
    & skf21("6","5","3","7","6","2","4","1") = "6"
    & skf21("6","5","3","7","6","2","5","1") = "6"
    & skf21("6","5","3","7","6","2","6","1") = "6"
    & skf21("6","5","3","7","6","2","7","1") = "6"
    & skf21("6","5","3","7","6","3","1","1") = "6"
    & skf21("6","5","3","7","6","3","2","1") = "6"
    & skf21("6","5","3","7","6","3","3","1") = "6"
    & skf21("6","5","3","7","6","3","4","1") = "6"
    & skf21("6","5","3","7","6","3","5","1") = "6"
    & skf21("6","5","3","7","6","3","6","1") = "6"
    & skf21("6","5","3","7","6","3","7","1") = "6"
    & skf21("6","5","3","7","6","4","1","1") = "6"
    & skf21("6","5","3","7","6","4","2","1") = "6"
    & skf21("6","5","3","7","6","4","3","1") = "6"
    & skf21("6","5","3","7","6","4","4","1") = "6"
    & skf21("6","5","3","7","6","4","5","1") = "6"
    & skf21("6","5","3","7","6","4","6","1") = "6"
    & skf21("6","5","3","7","6","4","7","1") = "6"
    & skf21("6","5","3","7","6","5","1","1") = "6"
    & skf21("6","5","3","7","6","5","2","1") = "6"
    & skf21("6","5","3","7","6","5","3","1") = "6"
    & skf21("6","5","3","7","6","5","4","1") = "6"
    & skf21("6","5","3","7","6","5","5","1") = "6"
    & skf21("6","5","3","7","6","5","6","1") = "6"
    & skf21("6","5","3","7","6","5","7","1") = "6"
    & skf21("6","5","3","7","6","6","1","1") = "6"
    & skf21("6","5","3","7","6","6","2","1") = "6"
    & skf21("6","5","3","7","6","6","3","1") = "6"
    & skf21("6","5","3","7","6","6","4","1") = "6"
    & skf21("6","5","3","7","6","6","5","1") = "6"
    & skf21("6","5","3","7","6","6","6","1") = "6"
    & skf21("6","5","3","7","6","6","7","1") = "6"
    & skf21("6","5","3","7","6","7","1","1") = "6"
    & skf21("6","5","3","7","6","7","2","1") = "6"
    & skf21("6","5","3","7","6","7","3","1") = "6"
    & skf21("6","5","3","7","6","7","4","1") = "6"
    & skf21("6","5","3","7","6","7","5","1") = "6"
    & skf21("6","5","3","7","6","7","6","1") = "6"
    & skf21("6","5","3","7","6","7","7","1") = "6"
    & skf21("6","5","3","7","7","1","1","1") = "6"
    & skf21("6","5","3","7","7","1","2","1") = "6"
    & skf21("6","5","3","7","7","1","3","1") = "6"
    & skf21("6","5","3","7","7","1","4","1") = "6"
    & skf21("6","5","3","7","7","1","5","1") = "6"
    & skf21("6","5","3","7","7","1","6","1") = "6"
    & skf21("6","5","3","7","7","1","7","1") = "6"
    & skf21("6","5","3","7","7","2","1","1") = "6"
    & skf21("6","5","3","7","7","2","2","1") = "6"
    & skf21("6","5","3","7","7","2","3","1") = "6"
    & skf21("6","5","3","7","7","2","4","1") = "6"
    & skf21("6","5","3","7","7","2","5","1") = "6"
    & skf21("6","5","3","7","7","2","6","1") = "6"
    & skf21("6","5","3","7","7","2","7","1") = "6"
    & skf21("6","5","3","7","7","3","1","1") = "6"
    & skf21("6","5","3","7","7","3","2","1") = "6"
    & skf21("6","5","3","7","7","3","3","1") = "6"
    & skf21("6","5","3","7","7","3","4","1") = "6"
    & skf21("6","5","3","7","7","3","5","1") = "6"
    & skf21("6","5","3","7","7","3","6","1") = "6"
    & skf21("6","5","3","7","7","3","7","1") = "6"
    & skf21("6","5","3","7","7","4","1","1") = "6"
    & skf21("6","5","3","7","7","4","2","1") = "6"
    & skf21("6","5","3","7","7","4","3","1") = "6"
    & skf21("6","5","3","7","7","4","4","1") = "6"
    & skf21("6","5","3","7","7","4","5","1") = "6"
    & skf21("6","5","3","7","7","4","6","1") = "6"
    & skf21("6","5","3","7","7","4","7","1") = "6"
    & skf21("6","5","3","7","7","5","1","1") = "6"
    & skf21("6","5","3","7","7","5","2","1") = "6"
    & skf21("6","5","3","7","7","5","3","1") = "6"
    & skf21("6","5","3","7","7","5","4","1") = "6"
    & skf21("6","5","3","7","7","5","5","1") = "6"
    & skf21("6","5","3","7","7","5","6","1") = "6"
    & skf21("6","5","3","7","7","5","7","1") = "6"
    & skf21("6","5","3","7","7","6","1","1") = "6"
    & skf21("6","5","3","7","7","6","2","1") = "6"
    & skf21("6","5","3","7","7","6","3","1") = "6"
    & skf21("6","5","3","7","7","6","4","1") = "6"
    & skf21("6","5","3","7","7","6","5","1") = "6"
    & skf21("6","5","3","7","7","6","6","1") = "6"
    & skf21("6","5","3","7","7","6","7","1") = "6"
    & skf21("6","5","3","7","7","7","1","1") = "6"
    & skf21("6","5","3","7","7","7","2","1") = "6"
    & skf21("6","5","3","7","7","7","3","1") = "6"
    & skf21("6","5","3","7","7","7","4","1") = "6"
    & skf21("6","5","3","7","7","7","5","1") = "6"
    & skf21("6","5","3","7","7","7","6","1") = "6"
    & skf21("6","5","3","7","7","7","7","1") = "6"
    & skf21("6","5","4","1","1","1","1","1") = "5"
    & skf21("6","5","4","1","1","1","2","1") = "5"
    & skf21("6","5","4","1","1","1","3","1") = "5"
    & skf21("6","5","4","1","1","1","4","1") = "5"
    & skf21("6","5","4","1","1","1","5","1") = "5"
    & skf21("6","5","4","1","1","1","6","1") = "5"
    & skf21("6","5","4","1","1","1","7","1") = "6"
    & skf21("6","5","4","1","1","2","1","1") = "5"
    & skf21("6","5","4","1","1","2","2","1") = "5"
    & skf21("6","5","4","1","1","2","3","1") = "5"
    & skf21("6","5","4","1","1","2","4","1") = "5"
    & skf21("6","5","4","1","1","2","5","1") = "5"
    & skf21("6","5","4","1","1","2","6","1") = "5"
    & skf21("6","5","4","1","1","2","7","1") = "6"
    & skf21("6","5","4","1","1","3","1","1") = "5"
    & skf21("6","5","4","1","1","3","2","1") = "5"
    & skf21("6","5","4","1","1","3","3","1") = "5"
    & skf21("6","5","4","1","1","3","4","1") = "5"
    & skf21("6","5","4","1","1","3","5","1") = "5"
    & skf21("6","5","4","1","1","3","6","1") = "5"
    & skf21("6","5","4","1","1","3","7","1") = "6"
    & skf21("6","5","4","1","1","4","1","1") = "5"
    & skf21("6","5","4","1","1","4","2","1") = "5"
    & skf21("6","5","4","1","1","4","3","1") = "5"
    & skf21("6","5","4","1","1","4","4","1") = "5"
    & skf21("6","5","4","1","1","4","5","1") = "5"
    & skf21("6","5","4","1","1","4","6","1") = "5"
    & skf21("6","5","4","1","1","4","7","1") = "6"
    & skf21("6","5","4","1","1","5","1","1") = "5"
    & skf21("6","5","4","1","1","5","2","1") = "5"
    & skf21("6","5","4","1","1","5","3","1") = "5"
    & skf21("6","5","4","1","1","5","4","1") = "5"
    & skf21("6","5","4","1","1","5","5","1") = "5"
    & skf21("6","5","4","1","1","5","6","1") = "5"
    & skf21("6","5","4","1","1","5","7","1") = "6"
    & skf21("6","5","4","1","1","6","1","1") = "5"
    & skf21("6","5","4","1","1","6","2","1") = "5"
    & skf21("6","5","4","1","1","6","3","1") = "5"
    & skf21("6","5","4","1","1","6","4","1") = "5"
    & skf21("6","5","4","1","1","6","5","1") = "5"
    & skf21("6","5","4","1","1","6","6","1") = "5"
    & skf21("6","5","4","1","1","6","7","1") = "6"
    & skf21("6","5","4","1","1","7","1","1") = "6"
    & skf21("6","5","4","1","1","7","2","1") = "6"
    & skf21("6","5","4","1","1","7","3","1") = "6"
    & skf21("6","5","4","1","1","7","4","1") = "6"
    & skf21("6","5","4","1","1","7","5","1") = "6"
    & skf21("6","5","4","1","1","7","6","1") = "6"
    & skf21("6","5","4","1","1","7","7","1") = "6"
    & skf21("6","5","4","1","2","1","1","1") = "5"
    & skf21("6","5","4","1","2","1","2","1") = "5"
    & skf21("6","5","4","1","2","1","3","1") = "5"
    & skf21("6","5","4","1","2","1","4","1") = "5"
    & skf21("6","5","4","1","2","1","5","1") = "5"
    & skf21("6","5","4","1","2","1","6","1") = "5"
    & skf21("6","5","4","1","2","1","7","1") = "6"
    & skf21("6","5","4","1","2","2","1","1") = "5"
    & skf21("6","5","4","1","2","2","2","1") = "5"
    & skf21("6","5","4","1","2","2","3","1") = "5"
    & skf21("6","5","4","1","2","2","4","1") = "5"
    & skf21("6","5","4","1","2","2","5","1") = "5"
    & skf21("6","5","4","1","2","2","6","1") = "5"
    & skf21("6","5","4","1","2","2","7","1") = "6"
    & skf21("6","5","4","1","2","3","1","1") = "5"
    & skf21("6","5","4","1","2","3","2","1") = "5"
    & skf21("6","5","4","1","2","3","3","1") = "5"
    & skf21("6","5","4","1","2","3","4","1") = "5"
    & skf21("6","5","4","1","2","3","5","1") = "5"
    & skf21("6","5","4","1","2","3","6","1") = "5"
    & skf21("6","5","4","1","2","3","7","1") = "6"
    & skf21("6","5","4","1","2","4","1","1") = "5"
    & skf21("6","5","4","1","2","4","2","1") = "5"
    & skf21("6","5","4","1","2","4","3","1") = "5"
    & skf21("6","5","4","1","2","4","4","1") = "5"
    & skf21("6","5","4","1","2","4","5","1") = "5"
    & skf21("6","5","4","1","2","4","6","1") = "5"
    & skf21("6","5","4","1","2","4","7","1") = "6"
    & skf21("6","5","4","1","2","5","1","1") = "5"
    & skf21("6","5","4","1","2","5","2","1") = "5"
    & skf21("6","5","4","1","2","5","3","1") = "5"
    & skf21("6","5","4","1","2","5","4","1") = "5"
    & skf21("6","5","4","1","2","5","5","1") = "5"
    & skf21("6","5","4","1","2","5","6","1") = "5"
    & skf21("6","5","4","1","2","5","7","1") = "6"
    & skf21("6","5","4","1","2","6","1","1") = "5"
    & skf21("6","5","4","1","2","6","2","1") = "5"
    & skf21("6","5","4","1","2","6","3","1") = "5"
    & skf21("6","5","4","1","2","6","4","1") = "5"
    & skf21("6","5","4","1","2","6","5","1") = "5"
    & skf21("6","5","4","1","2","6","6","1") = "5"
    & skf21("6","5","4","1","2","6","7","1") = "6"
    & skf21("6","5","4","1","2","7","1","1") = "6"
    & skf21("6","5","4","1","2","7","2","1") = "6"
    & skf21("6","5","4","1","2","7","3","1") = "6"
    & skf21("6","5","4","1","2","7","4","1") = "6"
    & skf21("6","5","4","1","2","7","5","1") = "6"
    & skf21("6","5","4","1","2","7","6","1") = "6"
    & skf21("6","5","4","1","2","7","7","1") = "6"
    & skf21("6","5","4","1","3","1","1","1") = "5"
    & skf21("6","5","4","1","3","1","2","1") = "5"
    & skf21("6","5","4","1","3","1","3","1") = "5"
    & skf21("6","5","4","1","3","1","4","1") = "5"
    & skf21("6","5","4","1","3","1","5","1") = "5"
    & skf21("6","5","4","1","3","1","6","1") = "5"
    & skf21("6","5","4","1","3","1","7","1") = "6"
    & skf21("6","5","4","1","3","2","1","1") = "5"
    & skf21("6","5","4","1","3","2","2","1") = "5"
    & skf21("6","5","4","1","3","2","3","1") = "5"
    & skf21("6","5","4","1","3","2","4","1") = "5"
    & skf21("6","5","4","1","3","2","5","1") = "5"
    & skf21("6","5","4","1","3","2","6","1") = "5"
    & skf21("6","5","4","1","3","2","7","1") = "6"
    & skf21("6","5","4","1","3","3","1","1") = "5"
    & skf21("6","5","4","1","3","3","2","1") = "5"
    & skf21("6","5","4","1","3","3","3","1") = "5"
    & skf21("6","5","4","1","3","3","4","1") = "5"
    & skf21("6","5","4","1","3","3","5","1") = "5"
    & skf21("6","5","4","1","3","3","6","1") = "5"
    & skf21("6","5","4","1","3","3","7","1") = "6"
    & skf21("6","5","4","1","3","4","1","1") = "5"
    & skf21("6","5","4","1","3","4","2","1") = "5"
    & skf21("6","5","4","1","3","4","3","1") = "5"
    & skf21("6","5","4","1","3","4","4","1") = "5"
    & skf21("6","5","4","1","3","4","5","1") = "5"
    & skf21("6","5","4","1","3","4","6","1") = "5"
    & skf21("6","5","4","1","3","4","7","1") = "6"
    & skf21("6","5","4","1","3","5","1","1") = "5"
    & skf21("6","5","4","1","3","5","2","1") = "5"
    & skf21("6","5","4","1","3","5","3","1") = "5"
    & skf21("6","5","4","1","3","5","4","1") = "5"
    & skf21("6","5","4","1","3","5","5","1") = "5"
    & skf21("6","5","4","1","3","5","6","1") = "5"
    & skf21("6","5","4","1","3","5","7","1") = "6"
    & skf21("6","5","4","1","3","6","1","1") = "5"
    & skf21("6","5","4","1","3","6","2","1") = "5"
    & skf21("6","5","4","1","3","6","3","1") = "5"
    & skf21("6","5","4","1","3","6","4","1") = "5"
    & skf21("6","5","4","1","3","6","5","1") = "5"
    & skf21("6","5","4","1","3","6","6","1") = "5"
    & skf21("6","5","4","1","3","6","7","1") = "6"
    & skf21("6","5","4","1","3","7","1","1") = "6"
    & skf21("6","5","4","1","3","7","2","1") = "6"
    & skf21("6","5","4","1","3","7","3","1") = "6"
    & skf21("6","5","4","1","3","7","4","1") = "6"
    & skf21("6","5","4","1","3","7","5","1") = "6"
    & skf21("6","5","4","1","3","7","6","1") = "6"
    & skf21("6","5","4","1","3","7","7","1") = "6"
    & skf21("6","5","4","1","4","1","1","1") = "5"
    & skf21("6","5","4","1","4","1","2","1") = "5"
    & skf21("6","5","4","1","4","1","3","1") = "5"
    & skf21("6","5","4","1","4","1","4","1") = "5"
    & skf21("6","5","4","1","4","1","5","1") = "5"
    & skf21("6","5","4","1","4","1","6","1") = "5"
    & skf21("6","5","4","1","4","1","7","1") = "6"
    & skf21("6","5","4","1","4","2","1","1") = "5"
    & skf21("6","5","4","1","4","2","2","1") = "5"
    & skf21("6","5","4","1","4","2","3","1") = "5"
    & skf21("6","5","4","1","4","2","4","1") = "5"
    & skf21("6","5","4","1","4","2","5","1") = "5"
    & skf21("6","5","4","1","4","2","6","1") = "5"
    & skf21("6","5","4","1","4","2","7","1") = "6"
    & skf21("6","5","4","1","4","3","1","1") = "5"
    & skf21("6","5","4","1","4","3","2","1") = "5"
    & skf21("6","5","4","1","4","3","3","1") = "5"
    & skf21("6","5","4","1","4","3","4","1") = "5"
    & skf21("6","5","4","1","4","3","5","1") = "5"
    & skf21("6","5","4","1","4","3","6","1") = "5"
    & skf21("6","5","4","1","4","3","7","1") = "6"
    & skf21("6","5","4","1","4","4","1","1") = "5"
    & skf21("6","5","4","1","4","4","2","1") = "5"
    & skf21("6","5","4","1","4","4","3","1") = "5"
    & skf21("6","5","4","1","4","4","4","1") = "5"
    & skf21("6","5","4","1","4","4","5","1") = "5"
    & skf21("6","5","4","1","4","4","6","1") = "5"
    & skf21("6","5","4","1","4","4","7","1") = "6"
    & skf21("6","5","4","1","4","5","1","1") = "5"
    & skf21("6","5","4","1","4","5","2","1") = "5"
    & skf21("6","5","4","1","4","5","3","1") = "5"
    & skf21("6","5","4","1","4","5","4","1") = "5"
    & skf21("6","5","4","1","4","5","5","1") = "5"
    & skf21("6","5","4","1","4","5","6","1") = "5"
    & skf21("6","5","4","1","4","5","7","1") = "6"
    & skf21("6","5","4","1","4","6","1","1") = "5"
    & skf21("6","5","4","1","4","6","2","1") = "5"
    & skf21("6","5","4","1","4","6","3","1") = "5"
    & skf21("6","5","4","1","4","6","4","1") = "5"
    & skf21("6","5","4","1","4","6","5","1") = "5"
    & skf21("6","5","4","1","4","6","6","1") = "5"
    & skf21("6","5","4","1","4","6","7","1") = "6"
    & skf21("6","5","4","1","4","7","1","1") = "6"
    & skf21("6","5","4","1","4","7","2","1") = "6"
    & skf21("6","5","4","1","4","7","3","1") = "6"
    & skf21("6","5","4","1","4","7","4","1") = "6"
    & skf21("6","5","4","1","4","7","5","1") = "6"
    & skf21("6","5","4","1","4","7","6","1") = "6"
    & skf21("6","5","4","1","4","7","7","1") = "6"
    & skf21("6","5","4","1","5","1","1","1") = "5"
    & skf21("6","5","4","1","5","1","2","1") = "5"
    & skf21("6","5","4","1","5","1","3","1") = "5"
    & skf21("6","5","4","1","5","1","4","1") = "5"
    & skf21("6","5","4","1","5","1","5","1") = "5"
    & skf21("6","5","4","1","5","1","6","1") = "5"
    & skf21("6","5","4","1","5","1","7","1") = "6"
    & skf21("6","5","4","1","5","2","1","1") = "5"
    & skf21("6","5","4","1","5","2","2","1") = "5"
    & skf21("6","5","4","1","5","2","3","1") = "5"
    & skf21("6","5","4","1","5","2","4","1") = "5"
    & skf21("6","5","4","1","5","2","5","1") = "5"
    & skf21("6","5","4","1","5","2","6","1") = "5"
    & skf21("6","5","4","1","5","2","7","1") = "6"
    & skf21("6","5","4","1","5","3","1","1") = "5"
    & skf21("6","5","4","1","5","3","2","1") = "5"
    & skf21("6","5","4","1","5","3","3","1") = "5"
    & skf21("6","5","4","1","5","3","4","1") = "5"
    & skf21("6","5","4","1","5","3","5","1") = "5"
    & skf21("6","5","4","1","5","3","6","1") = "5"
    & skf21("6","5","4","1","5","3","7","1") = "6"
    & skf21("6","5","4","1","5","4","1","1") = "5"
    & skf21("6","5","4","1","5","4","2","1") = "5"
    & skf21("6","5","4","1","5","4","3","1") = "5"
    & skf21("6","5","4","1","5","4","4","1") = "5"
    & skf21("6","5","4","1","5","4","5","1") = "5"
    & skf21("6","5","4","1","5","4","6","1") = "5"
    & skf21("6","5","4","1","5","4","7","1") = "6"
    & skf21("6","5","4","1","5","5","1","1") = "5"
    & skf21("6","5","4","1","5","5","2","1") = "5"
    & skf21("6","5","4","1","5","5","3","1") = "5"
    & skf21("6","5","4","1","5","5","4","1") = "5"
    & skf21("6","5","4","1","5","5","5","1") = "5"
    & skf21("6","5","4","1","5","5","6","1") = "5"
    & skf21("6","5","4","1","5","5","7","1") = "6"
    & skf21("6","5","4","1","5","6","1","1") = "5"
    & skf21("6","5","4","1","5","6","2","1") = "5"
    & skf21("6","5","4","1","5","6","3","1") = "5"
    & skf21("6","5","4","1","5","6","4","1") = "5"
    & skf21("6","5","4","1","5","6","5","1") = "5"
    & skf21("6","5","4","1","5","6","6","1") = "5"
    & skf21("6","5","4","1","5","6","7","1") = "6"
    & skf21("6","5","4","1","5","7","1","1") = "6"
    & skf21("6","5","4","1","5","7","2","1") = "6"
    & skf21("6","5","4","1","5","7","3","1") = "6"
    & skf21("6","5","4","1","5","7","4","1") = "6"
    & skf21("6","5","4","1","5","7","5","1") = "6"
    & skf21("6","5","4","1","5","7","6","1") = "6"
    & skf21("6","5","4","1","5","7","7","1") = "6"
    & skf21("6","5","4","1","6","1","1","1") = "5"
    & skf21("6","5","4","1","6","1","2","1") = "5"
    & skf21("6","5","4","1","6","1","3","1") = "5"
    & skf21("6","5","4","1","6","1","4","1") = "5"
    & skf21("6","5","4","1","6","1","5","1") = "5"
    & skf21("6","5","4","1","6","1","6","1") = "5"
    & skf21("6","5","4","1","6","1","7","1") = "6"
    & skf21("6","5","4","1","6","2","1","1") = "5"
    & skf21("6","5","4","1","6","2","2","1") = "5"
    & skf21("6","5","4","1","6","2","3","1") = "5"
    & skf21("6","5","4","1","6","2","4","1") = "5"
    & skf21("6","5","4","1","6","2","5","1") = "5"
    & skf21("6","5","4","1","6","2","6","1") = "5"
    & skf21("6","5","4","1","6","2","7","1") = "6"
    & skf21("6","5","4","1","6","3","1","1") = "5"
    & skf21("6","5","4","1","6","3","2","1") = "5"
    & skf21("6","5","4","1","6","3","3","1") = "5"
    & skf21("6","5","4","1","6","3","4","1") = "5"
    & skf21("6","5","4","1","6","3","5","1") = "5"
    & skf21("6","5","4","1","6","3","6","1") = "5"
    & skf21("6","5","4","1","6","3","7","1") = "6"
    & skf21("6","5","4","1","6","4","1","1") = "5"
    & skf21("6","5","4","1","6","4","2","1") = "5"
    & skf21("6","5","4","1","6","4","3","1") = "5"
    & skf21("6","5","4","1","6","4","4","1") = "5"
    & skf21("6","5","4","1","6","4","5","1") = "5"
    & skf21("6","5","4","1","6","4","6","1") = "5"
    & skf21("6","5","4","1","6","4","7","1") = "6"
    & skf21("6","5","4","1","6","5","1","1") = "5"
    & skf21("6","5","4","1","6","5","2","1") = "5"
    & skf21("6","5","4","1","6","5","3","1") = "5"
    & skf21("6","5","4","1","6","5","4","1") = "5"
    & skf21("6","5","4","1","6","5","5","1") = "5"
    & skf21("6","5","4","1","6","5","6","1") = "5"
    & skf21("6","5","4","1","6","5","7","1") = "6"
    & skf21("6","5","4","1","6","6","1","1") = "5"
    & skf21("6","5","4","1","6","6","2","1") = "5"
    & skf21("6","5","4","1","6","6","3","1") = "5"
    & skf21("6","5","4","1","6","6","4","1") = "5"
    & skf21("6","5","4","1","6","6","5","1") = "5"
    & skf21("6","5","4","1","6","6","6","1") = "5"
    & skf21("6","5","4","1","6","6","7","1") = "6"
    & skf21("6","5","4","1","6","7","1","1") = "6"
    & skf21("6","5","4","1","6","7","2","1") = "6"
    & skf21("6","5","4","1","6","7","3","1") = "6"
    & skf21("6","5","4","1","6","7","4","1") = "6"
    & skf21("6","5","4","1","6","7","5","1") = "6"
    & skf21("6","5","4","1","6","7","6","1") = "6"
    & skf21("6","5","4","1","6","7","7","1") = "6"
    & skf21("6","5","4","1","7","1","1","1") = "6"
    & skf21("6","5","4","1","7","1","2","1") = "6"
    & skf21("6","5","4","1","7","1","3","1") = "6"
    & skf21("6","5","4","1","7","1","4","1") = "6"
    & skf21("6","5","4","1","7","1","5","1") = "6"
    & skf21("6","5","4","1","7","1","6","1") = "6"
    & skf21("6","5","4","1","7","1","7","1") = "6"
    & skf21("6","5","4","1","7","2","1","1") = "6"
    & skf21("6","5","4","1","7","2","2","1") = "6"
    & skf21("6","5","4","1","7","2","3","1") = "6"
    & skf21("6","5","4","1","7","2","4","1") = "6"
    & skf21("6","5","4","1","7","2","5","1") = "6"
    & skf21("6","5","4","1","7","2","6","1") = "6"
    & skf21("6","5","4","1","7","2","7","1") = "6"
    & skf21("6","5","4","1","7","3","1","1") = "6"
    & skf21("6","5","4","1","7","3","2","1") = "6"
    & skf21("6","5","4","1","7","3","3","1") = "6"
    & skf21("6","5","4","1","7","3","4","1") = "6"
    & skf21("6","5","4","1","7","3","5","1") = "6"
    & skf21("6","5","4","1","7","3","6","1") = "6"
    & skf21("6","5","4","1","7","3","7","1") = "6"
    & skf21("6","5","4","1","7","4","1","1") = "6"
    & skf21("6","5","4","1","7","4","2","1") = "6"
    & skf21("6","5","4","1","7","4","3","1") = "6"
    & skf21("6","5","4","1","7","4","4","1") = "6"
    & skf21("6","5","4","1","7","4","5","1") = "6"
    & skf21("6","5","4","1","7","4","6","1") = "6"
    & skf21("6","5","4","1","7","4","7","1") = "6"
    & skf21("6","5","4","1","7","5","1","1") = "6"
    & skf21("6","5","4","1","7","5","2","1") = "6"
    & skf21("6","5","4","1","7","5","3","1") = "6"
    & skf21("6","5","4","1","7","5","4","1") = "6"
    & skf21("6","5","4","1","7","5","5","1") = "6"
    & skf21("6","5","4","1","7","5","6","1") = "6"
    & skf21("6","5","4","1","7","5","7","1") = "6"
    & skf21("6","5","4","1","7","6","1","1") = "6"
    & skf21("6","5","4","1","7","6","2","1") = "6"
    & skf21("6","5","4","1","7","6","3","1") = "6"
    & skf21("6","5","4","1","7","6","4","1") = "6"
    & skf21("6","5","4","1","7","6","5","1") = "6"
    & skf21("6","5","4","1","7","6","6","1") = "6"
    & skf21("6","5","4","1","7","6","7","1") = "6"
    & skf21("6","5","4","1","7","7","1","1") = "6"
    & skf21("6","5","4","1","7","7","2","1") = "6"
    & skf21("6","5","4","1","7","7","3","1") = "6"
    & skf21("6","5","4","1","7","7","4","1") = "6"
    & skf21("6","5","4","1","7","7","5","1") = "6"
    & skf21("6","5","4","1","7","7","6","1") = "6"
    & skf21("6","5","4","1","7","7","7","1") = "6"
    & skf21("6","5","4","2","1","1","1","1") = "5"
    & skf21("6","5","4","2","1","1","2","1") = "5"
    & skf21("6","5","4","2","1","1","3","1") = "5"
    & skf21("6","5","4","2","1","1","4","1") = "5"
    & skf21("6","5","4","2","1","1","5","1") = "5"
    & skf21("6","5","4","2","1","1","6","1") = "5"
    & skf21("6","5","4","2","1","1","7","1") = "6"
    & skf21("6","5","4","2","1","2","1","1") = "5"
    & skf21("6","5","4","2","1","2","2","1") = "5"
    & skf21("6","5","4","2","1","2","3","1") = "5"
    & skf21("6","5","4","2","1","2","4","1") = "5"
    & skf21("6","5","4","2","1","2","5","1") = "5"
    & skf21("6","5","4","2","1","2","6","1") = "5"
    & skf21("6","5","4","2","1","2","7","1") = "6"
    & skf21("6","5","4","2","1","3","1","1") = "5"
    & skf21("6","5","4","2","1","3","2","1") = "5"
    & skf21("6","5","4","2","1","3","3","1") = "5"
    & skf21("6","5","4","2","1","3","4","1") = "5"
    & skf21("6","5","4","2","1","3","5","1") = "5"
    & skf21("6","5","4","2","1","3","6","1") = "5"
    & skf21("6","5","4","2","1","3","7","1") = "6"
    & skf21("6","5","4","2","1","4","1","1") = "5"
    & skf21("6","5","4","2","1","4","2","1") = "5"
    & skf21("6","5","4","2","1","4","3","1") = "5"
    & skf21("6","5","4","2","1","4","4","1") = "5"
    & skf21("6","5","4","2","1","4","5","1") = "5"
    & skf21("6","5","4","2","1","4","6","1") = "5"
    & skf21("6","5","4","2","1","4","7","1") = "6"
    & skf21("6","5","4","2","1","5","1","1") = "5"
    & skf21("6","5","4","2","1","5","2","1") = "5"
    & skf21("6","5","4","2","1","5","3","1") = "5"
    & skf21("6","5","4","2","1","5","4","1") = "5"
    & skf21("6","5","4","2","1","5","5","1") = "5"
    & skf21("6","5","4","2","1","5","6","1") = "5"
    & skf21("6","5","4","2","1","5","7","1") = "6"
    & skf21("6","5","4","2","1","6","1","1") = "5"
    & skf21("6","5","4","2","1","6","2","1") = "5"
    & skf21("6","5","4","2","1","6","3","1") = "5"
    & skf21("6","5","4","2","1","6","4","1") = "5"
    & skf21("6","5","4","2","1","6","5","1") = "5"
    & skf21("6","5","4","2","1","6","6","1") = "5"
    & skf21("6","5","4","2","1","6","7","1") = "6"
    & skf21("6","5","4","2","1","7","1","1") = "6"
    & skf21("6","5","4","2","1","7","2","1") = "6"
    & skf21("6","5","4","2","1","7","3","1") = "6"
    & skf21("6","5","4","2","1","7","4","1") = "6"
    & skf21("6","5","4","2","1","7","5","1") = "6"
    & skf21("6","5","4","2","1","7","6","1") = "6"
    & skf21("6","5","4","2","1","7","7","1") = "6"
    & skf21("6","5","4","2","2","1","1","1") = "5"
    & skf21("6","5","4","2","2","1","2","1") = "5"
    & skf21("6","5","4","2","2","1","3","1") = "5"
    & skf21("6","5","4","2","2","1","4","1") = "5"
    & skf21("6","5","4","2","2","1","5","1") = "5"
    & skf21("6","5","4","2","2","1","6","1") = "5"
    & skf21("6","5","4","2","2","1","7","1") = "6"
    & skf21("6","5","4","2","2","2","1","1") = "5"
    & skf21("6","5","4","2","2","2","2","1") = "5"
    & skf21("6","5","4","2","2","2","3","1") = "5"
    & skf21("6","5","4","2","2","2","4","1") = "5"
    & skf21("6","5","4","2","2","2","5","1") = "5"
    & skf21("6","5","4","2","2","2","6","1") = "5"
    & skf21("6","5","4","2","2","2","7","1") = "6"
    & skf21("6","5","4","2","2","3","1","1") = "5"
    & skf21("6","5","4","2","2","3","2","1") = "5"
    & skf21("6","5","4","2","2","3","3","1") = "5"
    & skf21("6","5","4","2","2","3","4","1") = "5"
    & skf21("6","5","4","2","2","3","5","1") = "5"
    & skf21("6","5","4","2","2","3","6","1") = "5"
    & skf21("6","5","4","2","2","3","7","1") = "6"
    & skf21("6","5","4","2","2","4","1","1") = "5"
    & skf21("6","5","4","2","2","4","2","1") = "5"
    & skf21("6","5","4","2","2","4","3","1") = "5"
    & skf21("6","5","4","2","2","4","4","1") = "5"
    & skf21("6","5","4","2","2","4","5","1") = "5"
    & skf21("6","5","4","2","2","4","6","1") = "5"
    & skf21("6","5","4","2","2","4","7","1") = "6"
    & skf21("6","5","4","2","2","5","1","1") = "5"
    & skf21("6","5","4","2","2","5","2","1") = "5"
    & skf21("6","5","4","2","2","5","3","1") = "5"
    & skf21("6","5","4","2","2","5","4","1") = "5"
    & skf21("6","5","4","2","2","5","5","1") = "5"
    & skf21("6","5","4","2","2","5","6","1") = "5"
    & skf21("6","5","4","2","2","5","7","1") = "6"
    & skf21("6","5","4","2","2","6","1","1") = "5"
    & skf21("6","5","4","2","2","6","2","1") = "5"
    & skf21("6","5","4","2","2","6","3","1") = "5"
    & skf21("6","5","4","2","2","6","4","1") = "5"
    & skf21("6","5","4","2","2","6","5","1") = "5"
    & skf21("6","5","4","2","2","6","6","1") = "5"
    & skf21("6","5","4","2","2","6","7","1") = "6"
    & skf21("6","5","4","2","2","7","1","1") = "6"
    & skf21("6","5","4","2","2","7","2","1") = "6"
    & skf21("6","5","4","2","2","7","3","1") = "6"
    & skf21("6","5","4","2","2","7","4","1") = "6"
    & skf21("6","5","4","2","2","7","5","1") = "6"
    & skf21("6","5","4","2","2","7","6","1") = "6"
    & skf21("6","5","4","2","2","7","7","1") = "6"
    & skf21("6","5","4","2","3","1","1","1") = "5"
    & skf21("6","5","4","2","3","1","2","1") = "5"
    & skf21("6","5","4","2","3","1","3","1") = "5"
    & skf21("6","5","4","2","3","1","4","1") = "5"
    & skf21("6","5","4","2","3","1","5","1") = "5"
    & skf21("6","5","4","2","3","1","6","1") = "5"
    & skf21("6","5","4","2","3","1","7","1") = "6"
    & skf21("6","5","4","2","3","2","1","1") = "5"
    & skf21("6","5","4","2","3","2","2","1") = "5"
    & skf21("6","5","4","2","3","2","3","1") = "5"
    & skf21("6","5","4","2","3","2","4","1") = "5"
    & skf21("6","5","4","2","3","2","5","1") = "5"
    & skf21("6","5","4","2","3","2","6","1") = "5"
    & skf21("6","5","4","2","3","2","7","1") = "6"
    & skf21("6","5","4","2","3","3","1","1") = "5"
    & skf21("6","5","4","2","3","3","2","1") = "5"
    & skf21("6","5","4","2","3","3","3","1") = "5"
    & skf21("6","5","4","2","3","3","4","1") = "5"
    & skf21("6","5","4","2","3","3","5","1") = "5"
    & skf21("6","5","4","2","3","3","6","1") = "5"
    & skf21("6","5","4","2","3","3","7","1") = "6"
    & skf21("6","5","4","2","3","4","1","1") = "5"
    & skf21("6","5","4","2","3","4","2","1") = "5"
    & skf21("6","5","4","2","3","4","3","1") = "5"
    & skf21("6","5","4","2","3","4","4","1") = "5"
    & skf21("6","5","4","2","3","4","5","1") = "5"
    & skf21("6","5","4","2","3","4","6","1") = "5"
    & skf21("6","5","4","2","3","4","7","1") = "6"
    & skf21("6","5","4","2","3","5","1","1") = "5"
    & skf21("6","5","4","2","3","5","2","1") = "5"
    & skf21("6","5","4","2","3","5","3","1") = "5"
    & skf21("6","5","4","2","3","5","4","1") = "5"
    & skf21("6","5","4","2","3","5","5","1") = "5"
    & skf21("6","5","4","2","3","5","6","1") = "5"
    & skf21("6","5","4","2","3","5","7","1") = "6"
    & skf21("6","5","4","2","3","6","1","1") = "5"
    & skf21("6","5","4","2","3","6","2","1") = "5"
    & skf21("6","5","4","2","3","6","3","1") = "5"
    & skf21("6","5","4","2","3","6","4","1") = "5"
    & skf21("6","5","4","2","3","6","5","1") = "5"
    & skf21("6","5","4","2","3","6","6","1") = "5"
    & skf21("6","5","4","2","3","6","7","1") = "6"
    & skf21("6","5","4","2","3","7","1","1") = "6"
    & skf21("6","5","4","2","3","7","2","1") = "6"
    & skf21("6","5","4","2","3","7","3","1") = "6"
    & skf21("6","5","4","2","3","7","4","1") = "6"
    & skf21("6","5","4","2","3","7","5","1") = "6"
    & skf21("6","5","4","2","3","7","6","1") = "6"
    & skf21("6","5","4","2","3","7","7","1") = "6"
    & skf21("6","5","4","2","4","1","1","1") = "5"
    & skf21("6","5","4","2","4","1","2","1") = "5"
    & skf21("6","5","4","2","4","1","3","1") = "5"
    & skf21("6","5","4","2","4","1","4","1") = "5"
    & skf21("6","5","4","2","4","1","5","1") = "5"
    & skf21("6","5","4","2","4","1","6","1") = "5"
    & skf21("6","5","4","2","4","1","7","1") = "6"
    & skf21("6","5","4","2","4","2","1","1") = "5"
    & skf21("6","5","4","2","4","2","2","1") = "5"
    & skf21("6","5","4","2","4","2","3","1") = "5"
    & skf21("6","5","4","2","4","2","4","1") = "5"
    & skf21("6","5","4","2","4","2","5","1") = "5"
    & skf21("6","5","4","2","4","2","6","1") = "5"
    & skf21("6","5","4","2","4","2","7","1") = "6"
    & skf21("6","5","4","2","4","3","1","1") = "5"
    & skf21("6","5","4","2","4","3","2","1") = "5"
    & skf21("6","5","4","2","4","3","3","1") = "5"
    & skf21("6","5","4","2","4","3","4","1") = "5"
    & skf21("6","5","4","2","4","3","5","1") = "5"
    & skf21("6","5","4","2","4","3","6","1") = "5"
    & skf21("6","5","4","2","4","3","7","1") = "6"
    & skf21("6","5","4","2","4","4","1","1") = "5"
    & skf21("6","5","4","2","4","4","2","1") = "5"
    & skf21("6","5","4","2","4","4","3","1") = "5"
    & skf21("6","5","4","2","4","4","4","1") = "5"
    & skf21("6","5","4","2","4","4","5","1") = "5"
    & skf21("6","5","4","2","4","4","6","1") = "5"
    & skf21("6","5","4","2","4","4","7","1") = "6"
    & skf21("6","5","4","2","4","5","1","1") = "5"
    & skf21("6","5","4","2","4","5","2","1") = "5"
    & skf21("6","5","4","2","4","5","3","1") = "5"
    & skf21("6","5","4","2","4","5","4","1") = "5"
    & skf21("6","5","4","2","4","5","5","1") = "5"
    & skf21("6","5","4","2","4","5","6","1") = "5"
    & skf21("6","5","4","2","4","5","7","1") = "6"
    & skf21("6","5","4","2","4","6","1","1") = "5"
    & skf21("6","5","4","2","4","6","2","1") = "5"
    & skf21("6","5","4","2","4","6","3","1") = "5"
    & skf21("6","5","4","2","4","6","4","1") = "5"
    & skf21("6","5","4","2","4","6","5","1") = "5"
    & skf21("6","5","4","2","4","6","6","1") = "5"
    & skf21("6","5","4","2","4","6","7","1") = "6"
    & skf21("6","5","4","2","4","7","1","1") = "6"
    & skf21("6","5","4","2","4","7","2","1") = "6"
    & skf21("6","5","4","2","4","7","3","1") = "6"
    & skf21("6","5","4","2","4","7","4","1") = "6"
    & skf21("6","5","4","2","4","7","5","1") = "6"
    & skf21("6","5","4","2","4","7","6","1") = "6"
    & skf21("6","5","4","2","4","7","7","1") = "6"
    & skf21("6","5","4","2","5","1","1","1") = "5"
    & skf21("6","5","4","2","5","1","2","1") = "5"
    & skf21("6","5","4","2","5","1","3","1") = "5"
    & skf21("6","5","4","2","5","1","4","1") = "5"
    & skf21("6","5","4","2","5","1","5","1") = "5"
    & skf21("6","5","4","2","5","1","6","1") = "5"
    & skf21("6","5","4","2","5","1","7","1") = "6"
    & skf21("6","5","4","2","5","2","1","1") = "5"
    & skf21("6","5","4","2","5","2","2","1") = "5"
    & skf21("6","5","4","2","5","2","3","1") = "5"
    & skf21("6","5","4","2","5","2","4","1") = "5"
    & skf21("6","5","4","2","5","2","5","1") = "5"
    & skf21("6","5","4","2","5","2","6","1") = "5"
    & skf21("6","5","4","2","5","2","7","1") = "6"
    & skf21("6","5","4","2","5","3","1","1") = "5"
    & skf21("6","5","4","2","5","3","2","1") = "5"
    & skf21("6","5","4","2","5","3","3","1") = "5"
    & skf21("6","5","4","2","5","3","4","1") = "5"
    & skf21("6","5","4","2","5","3","5","1") = "5"
    & skf21("6","5","4","2","5","3","6","1") = "5"
    & skf21("6","5","4","2","5","3","7","1") = "6"
    & skf21("6","5","4","2","5","4","1","1") = "5"
    & skf21("6","5","4","2","5","4","2","1") = "5"
    & skf21("6","5","4","2","5","4","3","1") = "5"
    & skf21("6","5","4","2","5","4","4","1") = "5"
    & skf21("6","5","4","2","5","4","5","1") = "5"
    & skf21("6","5","4","2","5","4","6","1") = "5"
    & skf21("6","5","4","2","5","4","7","1") = "6"
    & skf21("6","5","4","2","5","5","1","1") = "5"
    & skf21("6","5","4","2","5","5","2","1") = "5"
    & skf21("6","5","4","2","5","5","3","1") = "5"
    & skf21("6","5","4","2","5","5","4","1") = "5"
    & skf21("6","5","4","2","5","5","5","1") = "5"
    & skf21("6","5","4","2","5","5","6","1") = "5"
    & skf21("6","5","4","2","5","5","7","1") = "6"
    & skf21("6","5","4","2","5","6","1","1") = "5"
    & skf21("6","5","4","2","5","6","2","1") = "5"
    & skf21("6","5","4","2","5","6","3","1") = "5"
    & skf21("6","5","4","2","5","6","4","1") = "5"
    & skf21("6","5","4","2","5","6","5","1") = "5"
    & skf21("6","5","4","2","5","6","6","1") = "5"
    & skf21("6","5","4","2","5","6","7","1") = "6"
    & skf21("6","5","4","2","5","7","1","1") = "6"
    & skf21("6","5","4","2","5","7","2","1") = "6"
    & skf21("6","5","4","2","5","7","3","1") = "6"
    & skf21("6","5","4","2","5","7","4","1") = "6"
    & skf21("6","5","4","2","5","7","5","1") = "6"
    & skf21("6","5","4","2","5","7","6","1") = "6"
    & skf21("6","5","4","2","5","7","7","1") = "6"
    & skf21("6","5","4","2","6","1","1","1") = "5"
    & skf21("6","5","4","2","6","1","2","1") = "5"
    & skf21("6","5","4","2","6","1","3","1") = "5"
    & skf21("6","5","4","2","6","1","4","1") = "5"
    & skf21("6","5","4","2","6","1","5","1") = "5"
    & skf21("6","5","4","2","6","1","6","1") = "5"
    & skf21("6","5","4","2","6","1","7","1") = "6"
    & skf21("6","5","4","2","6","2","1","1") = "5"
    & skf21("6","5","4","2","6","2","2","1") = "5"
    & skf21("6","5","4","2","6","2","3","1") = "5"
    & skf21("6","5","4","2","6","2","4","1") = "5"
    & skf21("6","5","4","2","6","2","5","1") = "5"
    & skf21("6","5","4","2","6","2","6","1") = "5"
    & skf21("6","5","4","2","6","2","7","1") = "6"
    & skf21("6","5","4","2","6","3","1","1") = "5"
    & skf21("6","5","4","2","6","3","2","1") = "5"
    & skf21("6","5","4","2","6","3","3","1") = "5"
    & skf21("6","5","4","2","6","3","4","1") = "5"
    & skf21("6","5","4","2","6","3","5","1") = "5"
    & skf21("6","5","4","2","6","3","6","1") = "5"
    & skf21("6","5","4","2","6","3","7","1") = "6"
    & skf21("6","5","4","2","6","4","1","1") = "5"
    & skf21("6","5","4","2","6","4","2","1") = "5"
    & skf21("6","5","4","2","6","4","3","1") = "5"
    & skf21("6","5","4","2","6","4","4","1") = "5"
    & skf21("6","5","4","2","6","4","5","1") = "5"
    & skf21("6","5","4","2","6","4","6","1") = "5"
    & skf21("6","5","4","2","6","4","7","1") = "6"
    & skf21("6","5","4","2","6","5","1","1") = "5"
    & skf21("6","5","4","2","6","5","2","1") = "5"
    & skf21("6","5","4","2","6","5","3","1") = "5"
    & skf21("6","5","4","2","6","5","4","1") = "5"
    & skf21("6","5","4","2","6","5","5","1") = "5"
    & skf21("6","5","4","2","6","5","6","1") = "5"
    & skf21("6","5","4","2","6","5","7","1") = "6"
    & skf21("6","5","4","2","6","6","1","1") = "5"
    & skf21("6","5","4","2","6","6","2","1") = "5"
    & skf21("6","5","4","2","6","6","3","1") = "5"
    & skf21("6","5","4","2","6","6","4","1") = "5"
    & skf21("6","5","4","2","6","6","5","1") = "5"
    & skf21("6","5","4","2","6","6","6","1") = "5"
    & skf21("6","5","4","2","6","6","7","1") = "6"
    & skf21("6","5","4","2","6","7","1","1") = "6"
    & skf21("6","5","4","2","6","7","2","1") = "6"
    & skf21("6","5","4","2","6","7","3","1") = "6"
    & skf21("6","5","4","2","6","7","4","1") = "6"
    & skf21("6","5","4","2","6","7","5","1") = "6"
    & skf21("6","5","4","2","6","7","6","1") = "6"
    & skf21("6","5","4","2","6","7","7","1") = "6"
    & skf21("6","5","4","2","7","1","1","1") = "6"
    & skf21("6","5","4","2","7","1","2","1") = "6"
    & skf21("6","5","4","2","7","1","3","1") = "6"
    & skf21("6","5","4","2","7","1","4","1") = "6"
    & skf21("6","5","4","2","7","1","5","1") = "6"
    & skf21("6","5","4","2","7","1","6","1") = "6"
    & skf21("6","5","4","2","7","1","7","1") = "6"
    & skf21("6","5","4","2","7","2","1","1") = "6"
    & skf21("6","5","4","2","7","2","2","1") = "6"
    & skf21("6","5","4","2","7","2","3","1") = "6"
    & skf21("6","5","4","2","7","2","4","1") = "6"
    & skf21("6","5","4","2","7","2","5","1") = "6"
    & skf21("6","5","4","2","7","2","6","1") = "6"
    & skf21("6","5","4","2","7","2","7","1") = "6"
    & skf21("6","5","4","2","7","3","1","1") = "6"
    & skf21("6","5","4","2","7","3","2","1") = "6"
    & skf21("6","5","4","2","7","3","3","1") = "6"
    & skf21("6","5","4","2","7","3","4","1") = "6"
    & skf21("6","5","4","2","7","3","5","1") = "6"
    & skf21("6","5","4","2","7","3","6","1") = "6"
    & skf21("6","5","4","2","7","3","7","1") = "6"
    & skf21("6","5","4","2","7","4","1","1") = "6"
    & skf21("6","5","4","2","7","4","2","1") = "6"
    & skf21("6","5","4","2","7","4","3","1") = "6"
    & skf21("6","5","4","2","7","4","4","1") = "6"
    & skf21("6","5","4","2","7","4","5","1") = "6"
    & skf21("6","5","4","2","7","4","6","1") = "6"
    & skf21("6","5","4","2","7","4","7","1") = "6"
    & skf21("6","5","4","2","7","5","1","1") = "6"
    & skf21("6","5","4","2","7","5","2","1") = "6"
    & skf21("6","5","4","2","7","5","3","1") = "6"
    & skf21("6","5","4","2","7","5","4","1") = "6"
    & skf21("6","5","4","2","7","5","5","1") = "6"
    & skf21("6","5","4","2","7","5","6","1") = "6"
    & skf21("6","5","4","2","7","5","7","1") = "6"
    & skf21("6","5","4","2","7","6","1","1") = "6"
    & skf21("6","5","4","2","7","6","2","1") = "6"
    & skf21("6","5","4","2","7","6","3","1") = "6"
    & skf21("6","5","4","2","7","6","4","1") = "6"
    & skf21("6","5","4","2","7","6","5","1") = "6"
    & skf21("6","5","4","2","7","6","6","1") = "6"
    & skf21("6","5","4","2","7","6","7","1") = "6"
    & skf21("6","5","4","2","7","7","1","1") = "6"
    & skf21("6","5","4","2","7","7","2","1") = "6"
    & skf21("6","5","4","2","7","7","3","1") = "6"
    & skf21("6","5","4","2","7","7","4","1") = "6"
    & skf21("6","5","4","2","7","7","5","1") = "6"
    & skf21("6","5","4","2","7","7","6","1") = "6"
    & skf21("6","5","4","2","7","7","7","1") = "6"
    & skf21("6","5","4","3","1","1","1","1") = "5"
    & skf21("6","5","4","3","1","1","2","1") = "5"
    & skf21("6","5","4","3","1","1","3","1") = "5"
    & skf21("6","5","4","3","1","1","4","1") = "5"
    & skf21("6","5","4","3","1","1","5","1") = "5"
    & skf21("6","5","4","3","1","1","6","1") = "5"
    & skf21("6","5","4","3","1","1","7","1") = "6"
    & skf21("6","5","4","3","1","2","1","1") = "5"
    & skf21("6","5","4","3","1","2","2","1") = "5"
    & skf21("6","5","4","3","1","2","3","1") = "5"
    & skf21("6","5","4","3","1","2","4","1") = "5"
    & skf21("6","5","4","3","1","2","5","1") = "5"
    & skf21("6","5","4","3","1","2","6","1") = "5"
    & skf21("6","5","4","3","1","2","7","1") = "6"
    & skf21("6","5","4","3","1","3","1","1") = "5"
    & skf21("6","5","4","3","1","3","2","1") = "5"
    & skf21("6","5","4","3","1","3","3","1") = "5"
    & skf21("6","5","4","3","1","3","4","1") = "5"
    & skf21("6","5","4","3","1","3","5","1") = "5"
    & skf21("6","5","4","3","1","3","6","1") = "5"
    & skf21("6","5","4","3","1","3","7","1") = "6"
    & skf21("6","5","4","3","1","4","1","1") = "5"
    & skf21("6","5","4","3","1","4","2","1") = "5"
    & skf21("6","5","4","3","1","4","3","1") = "5"
    & skf21("6","5","4","3","1","4","4","1") = "5"
    & skf21("6","5","4","3","1","4","5","1") = "5"
    & skf21("6","5","4","3","1","4","6","1") = "5"
    & skf21("6","5","4","3","1","4","7","1") = "6"
    & skf21("6","5","4","3","1","5","1","1") = "5"
    & skf21("6","5","4","3","1","5","2","1") = "5"
    & skf21("6","5","4","3","1","5","3","1") = "5"
    & skf21("6","5","4","3","1","5","4","1") = "5"
    & skf21("6","5","4","3","1","5","5","1") = "5"
    & skf21("6","5","4","3","1","5","6","1") = "5"
    & skf21("6","5","4","3","1","5","7","1") = "6"
    & skf21("6","5","4","3","1","6","1","1") = "5"
    & skf21("6","5","4","3","1","6","2","1") = "5"
    & skf21("6","5","4","3","1","6","3","1") = "5"
    & skf21("6","5","4","3","1","6","4","1") = "5"
    & skf21("6","5","4","3","1","6","5","1") = "5"
    & skf21("6","5","4","3","1","6","6","1") = "5"
    & skf21("6","5","4","3","1","6","7","1") = "6"
    & skf21("6","5","4","3","1","7","1","1") = "6"
    & skf21("6","5","4","3","1","7","2","1") = "6"
    & skf21("6","5","4","3","1","7","3","1") = "6"
    & skf21("6","5","4","3","1","7","4","1") = "6"
    & skf21("6","5","4","3","1","7","5","1") = "6"
    & skf21("6","5","4","3","1","7","6","1") = "6"
    & skf21("6","5","4","3","1","7","7","1") = "6"
    & skf21("6","5","4","3","2","1","1","1") = "5"
    & skf21("6","5","4","3","2","1","2","1") = "5"
    & skf21("6","5","4","3","2","1","3","1") = "5"
    & skf21("6","5","4","3","2","1","4","1") = "5"
    & skf21("6","5","4","3","2","1","5","1") = "5"
    & skf21("6","5","4","3","2","1","6","1") = "5"
    & skf21("6","5","4","3","2","1","7","1") = "6"
    & skf21("6","5","4","3","2","2","1","1") = "5"
    & skf21("6","5","4","3","2","2","2","1") = "5"
    & skf21("6","5","4","3","2","2","3","1") = "5"
    & skf21("6","5","4","3","2","2","4","1") = "5"
    & skf21("6","5","4","3","2","2","5","1") = "5"
    & skf21("6","5","4","3","2","2","6","1") = "5"
    & skf21("6","5","4","3","2","2","7","1") = "6"
    & skf21("6","5","4","3","2","3","1","1") = "5"
    & skf21("6","5","4","3","2","3","2","1") = "5"
    & skf21("6","5","4","3","2","3","3","1") = "5"
    & skf21("6","5","4","3","2","3","4","1") = "5"
    & skf21("6","5","4","3","2","3","5","1") = "5"
    & skf21("6","5","4","3","2","3","6","1") = "5"
    & skf21("6","5","4","3","2","3","7","1") = "6"
    & skf21("6","5","4","3","2","4","1","1") = "5"
    & skf21("6","5","4","3","2","4","2","1") = "5"
    & skf21("6","5","4","3","2","4","3","1") = "5"
    & skf21("6","5","4","3","2","4","4","1") = "5"
    & skf21("6","5","4","3","2","4","5","1") = "5"
    & skf21("6","5","4","3","2","4","6","1") = "5"
    & skf21("6","5","4","3","2","4","7","1") = "6"
    & skf21("6","5","4","3","2","5","1","1") = "5"
    & skf21("6","5","4","3","2","5","2","1") = "5"
    & skf21("6","5","4","3","2","5","3","1") = "5"
    & skf21("6","5","4","3","2","5","4","1") = "5"
    & skf21("6","5","4","3","2","5","5","1") = "5"
    & skf21("6","5","4","3","2","5","6","1") = "5"
    & skf21("6","5","4","3","2","5","7","1") = "6"
    & skf21("6","5","4","3","2","6","1","1") = "5"
    & skf21("6","5","4","3","2","6","2","1") = "5"
    & skf21("6","5","4","3","2","6","3","1") = "5"
    & skf21("6","5","4","3","2","6","4","1") = "5"
    & skf21("6","5","4","3","2","6","5","1") = "5"
    & skf21("6","5","4","3","2","6","6","1") = "5"
    & skf21("6","5","4","3","2","6","7","1") = "6"
    & skf21("6","5","4","3","2","7","1","1") = "6"
    & skf21("6","5","4","3","2","7","2","1") = "6"
    & skf21("6","5","4","3","2","7","3","1") = "6"
    & skf21("6","5","4","3","2","7","4","1") = "6"
    & skf21("6","5","4","3","2","7","5","1") = "6"
    & skf21("6","5","4","3","2","7","6","1") = "6"
    & skf21("6","5","4","3","2","7","7","1") = "6"
    & skf21("6","5","4","3","3","1","1","1") = "5"
    & skf21("6","5","4","3","3","1","2","1") = "5"
    & skf21("6","5","4","3","3","1","3","1") = "5"
    & skf21("6","5","4","3","3","1","4","1") = "5"
    & skf21("6","5","4","3","3","1","5","1") = "5"
    & skf21("6","5","4","3","3","1","6","1") = "5"
    & skf21("6","5","4","3","3","1","7","1") = "6"
    & skf21("6","5","4","3","3","2","1","1") = "5"
    & skf21("6","5","4","3","3","2","2","1") = "5"
    & skf21("6","5","4","3","3","2","3","1") = "5"
    & skf21("6","5","4","3","3","2","4","1") = "5"
    & skf21("6","5","4","3","3","2","5","1") = "5"
    & skf21("6","5","4","3","3","2","6","1") = "5"
    & skf21("6","5","4","3","3","2","7","1") = "6"
    & skf21("6","5","4","3","3","3","1","1") = "5"
    & skf21("6","5","4","3","3","3","2","1") = "5"
    & skf21("6","5","4","3","3","3","3","1") = "5"
    & skf21("6","5","4","3","3","3","4","1") = "5"
    & skf21("6","5","4","3","3","3","5","1") = "5"
    & skf21("6","5","4","3","3","3","6","1") = "5"
    & skf21("6","5","4","3","3","3","7","1") = "6"
    & skf21("6","5","4","3","3","4","1","1") = "5"
    & skf21("6","5","4","3","3","4","2","1") = "5"
    & skf21("6","5","4","3","3","4","3","1") = "5"
    & skf21("6","5","4","3","3","4","4","1") = "5"
    & skf21("6","5","4","3","3","4","5","1") = "5"
    & skf21("6","5","4","3","3","4","6","1") = "5"
    & skf21("6","5","4","3","3","4","7","1") = "6"
    & skf21("6","5","4","3","3","5","1","1") = "5"
    & skf21("6","5","4","3","3","5","2","1") = "5"
    & skf21("6","5","4","3","3","5","3","1") = "5"
    & skf21("6","5","4","3","3","5","4","1") = "5"
    & skf21("6","5","4","3","3","5","5","1") = "5"
    & skf21("6","5","4","3","3","5","6","1") = "5"
    & skf21("6","5","4","3","3","5","7","1") = "6"
    & skf21("6","5","4","3","3","6","1","1") = "5"
    & skf21("6","5","4","3","3","6","2","1") = "5"
    & skf21("6","5","4","3","3","6","3","1") = "5"
    & skf21("6","5","4","3","3","6","4","1") = "5"
    & skf21("6","5","4","3","3","6","5","1") = "5"
    & skf21("6","5","4","3","3","6","6","1") = "5"
    & skf21("6","5","4","3","3","6","7","1") = "6"
    & skf21("6","5","4","3","3","7","1","1") = "6"
    & skf21("6","5","4","3","3","7","2","1") = "6"
    & skf21("6","5","4","3","3","7","3","1") = "6"
    & skf21("6","5","4","3","3","7","4","1") = "6"
    & skf21("6","5","4","3","3","7","5","1") = "6"
    & skf21("6","5","4","3","3","7","6","1") = "6"
    & skf21("6","5","4","3","3","7","7","1") = "6"
    & skf21("6","5","4","3","4","1","1","1") = "5"
    & skf21("6","5","4","3","4","1","2","1") = "5"
    & skf21("6","5","4","3","4","1","3","1") = "5"
    & skf21("6","5","4","3","4","1","4","1") = "5"
    & skf21("6","5","4","3","4","1","5","1") = "5"
    & skf21("6","5","4","3","4","1","6","1") = "5"
    & skf21("6","5","4","3","4","1","7","1") = "6"
    & skf21("6","5","4","3","4","2","1","1") = "5"
    & skf21("6","5","4","3","4","2","2","1") = "5"
    & skf21("6","5","4","3","4","2","3","1") = "5"
    & skf21("6","5","4","3","4","2","4","1") = "5"
    & skf21("6","5","4","3","4","2","5","1") = "5"
    & skf21("6","5","4","3","4","2","6","1") = "5"
    & skf21("6","5","4","3","4","2","7","1") = "6"
    & skf21("6","5","4","3","4","3","1","1") = "5"
    & skf21("6","5","4","3","4","3","2","1") = "5"
    & skf21("6","5","4","3","4","3","3","1") = "5"
    & skf21("6","5","4","3","4","3","4","1") = "5"
    & skf21("6","5","4","3","4","3","5","1") = "5"
    & skf21("6","5","4","3","4","3","6","1") = "5"
    & skf21("6","5","4","3","4","3","7","1") = "6"
    & skf21("6","5","4","3","4","4","1","1") = "5"
    & skf21("6","5","4","3","4","4","2","1") = "5"
    & skf21("6","5","4","3","4","4","3","1") = "5"
    & skf21("6","5","4","3","4","4","4","1") = "5"
    & skf21("6","5","4","3","4","4","5","1") = "5"
    & skf21("6","5","4","3","4","4","6","1") = "5"
    & skf21("6","5","4","3","4","4","7","1") = "6"
    & skf21("6","5","4","3","4","5","1","1") = "5"
    & skf21("6","5","4","3","4","5","2","1") = "5"
    & skf21("6","5","4","3","4","5","3","1") = "5"
    & skf21("6","5","4","3","4","5","4","1") = "5"
    & skf21("6","5","4","3","4","5","5","1") = "5"
    & skf21("6","5","4","3","4","5","6","1") = "5"
    & skf21("6","5","4","3","4","5","7","1") = "6"
    & skf21("6","5","4","3","4","6","1","1") = "5"
    & skf21("6","5","4","3","4","6","2","1") = "5"
    & skf21("6","5","4","3","4","6","3","1") = "5"
    & skf21("6","5","4","3","4","6","4","1") = "5"
    & skf21("6","5","4","3","4","6","5","1") = "5"
    & skf21("6","5","4","3","4","6","6","1") = "5"
    & skf21("6","5","4","3","4","6","7","1") = "6"
    & skf21("6","5","4","3","4","7","1","1") = "6"
    & skf21("6","5","4","3","4","7","2","1") = "6"
    & skf21("6","5","4","3","4","7","3","1") = "6"
    & skf21("6","5","4","3","4","7","4","1") = "6"
    & skf21("6","5","4","3","4","7","5","1") = "6"
    & skf21("6","5","4","3","4","7","6","1") = "6"
    & skf21("6","5","4","3","4","7","7","1") = "6"
    & skf21("6","5","4","3","5","1","1","1") = "5"
    & skf21("6","5","4","3","5","1","2","1") = "5"
    & skf21("6","5","4","3","5","1","3","1") = "5"
    & skf21("6","5","4","3","5","1","4","1") = "5"
    & skf21("6","5","4","3","5","1","5","1") = "5"
    & skf21("6","5","4","3","5","1","6","1") = "5"
    & skf21("6","5","4","3","5","1","7","1") = "6"
    & skf21("6","5","4","3","5","2","1","1") = "5"
    & skf21("6","5","4","3","5","2","2","1") = "5"
    & skf21("6","5","4","3","5","2","3","1") = "5"
    & skf21("6","5","4","3","5","2","4","1") = "5"
    & skf21("6","5","4","3","5","2","5","1") = "5"
    & skf21("6","5","4","3","5","2","6","1") = "5"
    & skf21("6","5","4","3","5","2","7","1") = "6"
    & skf21("6","5","4","3","5","3","1","1") = "5"
    & skf21("6","5","4","3","5","3","2","1") = "5"
    & skf21("6","5","4","3","5","3","3","1") = "5"
    & skf21("6","5","4","3","5","3","4","1") = "5"
    & skf21("6","5","4","3","5","3","5","1") = "5"
    & skf21("6","5","4","3","5","3","6","1") = "5"
    & skf21("6","5","4","3","5","3","7","1") = "6"
    & skf21("6","5","4","3","5","4","1","1") = "5"
    & skf21("6","5","4","3","5","4","2","1") = "5"
    & skf21("6","5","4","3","5","4","3","1") = "5"
    & skf21("6","5","4","3","5","4","4","1") = "5"
    & skf21("6","5","4","3","5","4","5","1") = "5"
    & skf21("6","5","4","3","5","4","6","1") = "5"
    & skf21("6","5","4","3","5","4","7","1") = "6"
    & skf21("6","5","4","3","5","5","1","1") = "5"
    & skf21("6","5","4","3","5","5","2","1") = "5"
    & skf21("6","5","4","3","5","5","3","1") = "5"
    & skf21("6","5","4","3","5","5","4","1") = "5"
    & skf21("6","5","4","3","5","5","5","1") = "5"
    & skf21("6","5","4","3","5","5","6","1") = "5"
    & skf21("6","5","4","3","5","5","7","1") = "6"
    & skf21("6","5","4","3","5","6","1","1") = "5"
    & skf21("6","5","4","3","5","6","2","1") = "5"
    & skf21("6","5","4","3","5","6","3","1") = "5"
    & skf21("6","5","4","3","5","6","4","1") = "5"
    & skf21("6","5","4","3","5","6","5","1") = "5"
    & skf21("6","5","4","3","5","6","6","1") = "5"
    & skf21("6","5","4","3","5","6","7","1") = "6"
    & skf21("6","5","4","3","5","7","1","1") = "6"
    & skf21("6","5","4","3","5","7","2","1") = "6"
    & skf21("6","5","4","3","5","7","3","1") = "6"
    & skf21("6","5","4","3","5","7","4","1") = "6"
    & skf21("6","5","4","3","5","7","5","1") = "6"
    & skf21("6","5","4","3","5","7","6","1") = "6"
    & skf21("6","5","4","3","5","7","7","1") = "6"
    & skf21("6","5","4","3","6","1","1","1") = "5"
    & skf21("6","5","4","3","6","1","2","1") = "5"
    & skf21("6","5","4","3","6","1","3","1") = "5"
    & skf21("6","5","4","3","6","1","4","1") = "5"
    & skf21("6","5","4","3","6","1","5","1") = "5"
    & skf21("6","5","4","3","6","1","6","1") = "5"
    & skf21("6","5","4","3","6","1","7","1") = "6"
    & skf21("6","5","4","3","6","2","1","1") = "5"
    & skf21("6","5","4","3","6","2","2","1") = "5"
    & skf21("6","5","4","3","6","2","3","1") = "5"
    & skf21("6","5","4","3","6","2","4","1") = "5"
    & skf21("6","5","4","3","6","2","5","1") = "5"
    & skf21("6","5","4","3","6","2","6","1") = "5"
    & skf21("6","5","4","3","6","2","7","1") = "6"
    & skf21("6","5","4","3","6","3","1","1") = "5"
    & skf21("6","5","4","3","6","3","2","1") = "5"
    & skf21("6","5","4","3","6","3","3","1") = "5"
    & skf21("6","5","4","3","6","3","4","1") = "5"
    & skf21("6","5","4","3","6","3","5","1") = "5"
    & skf21("6","5","4","3","6","3","6","1") = "5"
    & skf21("6","5","4","3","6","3","7","1") = "6"
    & skf21("6","5","4","3","6","4","1","1") = "5"
    & skf21("6","5","4","3","6","4","2","1") = "5"
    & skf21("6","5","4","3","6","4","3","1") = "5"
    & skf21("6","5","4","3","6","4","4","1") = "5"
    & skf21("6","5","4","3","6","4","5","1") = "5"
    & skf21("6","5","4","3","6","4","6","1") = "5"
    & skf21("6","5","4","3","6","4","7","1") = "6"
    & skf21("6","5","4","3","6","5","1","1") = "5"
    & skf21("6","5","4","3","6","5","2","1") = "5"
    & skf21("6","5","4","3","6","5","3","1") = "5"
    & skf21("6","5","4","3","6","5","4","1") = "5"
    & skf21("6","5","4","3","6","5","5","1") = "5"
    & skf21("6","5","4","3","6","5","6","1") = "5"
    & skf21("6","5","4","3","6","5","7","1") = "6"
    & skf21("6","5","4","3","6","6","1","1") = "5"
    & skf21("6","5","4","3","6","6","2","1") = "5"
    & skf21("6","5","4","3","6","6","3","1") = "5"
    & skf21("6","5","4","3","6","6","4","1") = "5"
    & skf21("6","5","4","3","6","6","5","1") = "5"
    & skf21("6","5","4","3","6","6","6","1") = "5"
    & skf21("6","5","4","3","6","6","7","1") = "6"
    & skf21("6","5","4","3","6","7","1","1") = "6"
    & skf21("6","5","4","3","6","7","2","1") = "6"
    & skf21("6","5","4","3","6","7","3","1") = "6"
    & skf21("6","5","4","3","6","7","4","1") = "6"
    & skf21("6","5","4","3","6","7","5","1") = "6"
    & skf21("6","5","4","3","6","7","6","1") = "6"
    & skf21("6","5","4","3","6","7","7","1") = "6"
    & skf21("6","5","4","3","7","1","1","1") = "6"
    & skf21("6","5","4","3","7","1","2","1") = "6"
    & skf21("6","5","4","3","7","1","3","1") = "6"
    & skf21("6","5","4","3","7","1","4","1") = "6"
    & skf21("6","5","4","3","7","1","5","1") = "6"
    & skf21("6","5","4","3","7","1","6","1") = "6"
    & skf21("6","5","4","3","7","1","7","1") = "6"
    & skf21("6","5","4","3","7","2","1","1") = "6"
    & skf21("6","5","4","3","7","2","2","1") = "6"
    & skf21("6","5","4","3","7","2","3","1") = "6"
    & skf21("6","5","4","3","7","2","4","1") = "6"
    & skf21("6","5","4","3","7","2","5","1") = "6"
    & skf21("6","5","4","3","7","2","6","1") = "6"
    & skf21("6","5","4","3","7","2","7","1") = "6"
    & skf21("6","5","4","3","7","3","1","1") = "6"
    & skf21("6","5","4","3","7","3","2","1") = "6"
    & skf21("6","5","4","3","7","3","3","1") = "6"
    & skf21("6","5","4","3","7","3","4","1") = "6"
    & skf21("6","5","4","3","7","3","5","1") = "6"
    & skf21("6","5","4","3","7","3","6","1") = "6"
    & skf21("6","5","4","3","7","3","7","1") = "6"
    & skf21("6","5","4","3","7","4","1","1") = "6"
    & skf21("6","5","4","3","7","4","2","1") = "6"
    & skf21("6","5","4","3","7","4","3","1") = "6"
    & skf21("6","5","4","3","7","4","4","1") = "6"
    & skf21("6","5","4","3","7","4","5","1") = "6"
    & skf21("6","5","4","3","7","4","6","1") = "6"
    & skf21("6","5","4","3","7","4","7","1") = "6"
    & skf21("6","5","4","3","7","5","1","1") = "6"
    & skf21("6","5","4","3","7","5","2","1") = "6"
    & skf21("6","5","4","3","7","5","3","1") = "6"
    & skf21("6","5","4","3","7","5","4","1") = "6"
    & skf21("6","5","4","3","7","5","5","1") = "6"
    & skf21("6","5","4","3","7","5","6","1") = "6"
    & skf21("6","5","4","3","7","5","7","1") = "6"
    & skf21("6","5","4","3","7","6","1","1") = "6"
    & skf21("6","5","4","3","7","6","2","1") = "6"
    & skf21("6","5","4","3","7","6","3","1") = "6"
    & skf21("6","5","4","3","7","6","4","1") = "6"
    & skf21("6","5","4","3","7","6","5","1") = "6"
    & skf21("6","5","4","3","7","6","6","1") = "6"
    & skf21("6","5","4","3","7","6","7","1") = "6"
    & skf21("6","5","4","3","7","7","1","1") = "6"
    & skf21("6","5","4","3","7","7","2","1") = "6"
    & skf21("6","5","4","3","7","7","3","1") = "6"
    & skf21("6","5","4","3","7","7","4","1") = "6"
    & skf21("6","5","4","3","7","7","5","1") = "6"
    & skf21("6","5","4","3","7","7","6","1") = "6"
    & skf21("6","5","4","3","7","7","7","1") = "6"
    & skf21("6","5","4","4","1","1","1","1") = "5"
    & skf21("6","5","4","4","1","1","2","1") = "5"
    & skf21("6","5","4","4","1","1","3","1") = "5"
    & skf21("6","5","4","4","1","1","4","1") = "5"
    & skf21("6","5","4","4","1","1","5","1") = "5"
    & skf21("6","5","4","4","1","1","6","1") = "5"
    & skf21("6","5","4","4","1","1","7","1") = "6"
    & skf21("6","5","4","4","1","2","1","1") = "5"
    & skf21("6","5","4","4","1","2","2","1") = "5"
    & skf21("6","5","4","4","1","2","3","1") = "5"
    & skf21("6","5","4","4","1","2","4","1") = "5"
    & skf21("6","5","4","4","1","2","5","1") = "5"
    & skf21("6","5","4","4","1","2","6","1") = "5"
    & skf21("6","5","4","4","1","2","7","1") = "6"
    & skf21("6","5","4","4","1","3","1","1") = "5"
    & skf21("6","5","4","4","1","3","2","1") = "5"
    & skf21("6","5","4","4","1","3","3","1") = "5"
    & skf21("6","5","4","4","1","3","4","1") = "5"
    & skf21("6","5","4","4","1","3","5","1") = "5"
    & skf21("6","5","4","4","1","3","6","1") = "5"
    & skf21("6","5","4","4","1","3","7","1") = "6"
    & skf21("6","5","4","4","1","4","1","1") = "5"
    & skf21("6","5","4","4","1","4","2","1") = "5"
    & skf21("6","5","4","4","1","4","3","1") = "5"
    & skf21("6","5","4","4","1","4","4","1") = "5"
    & skf21("6","5","4","4","1","4","5","1") = "5"
    & skf21("6","5","4","4","1","4","6","1") = "5"
    & skf21("6","5","4","4","1","4","7","1") = "6"
    & skf21("6","5","4","4","1","5","1","1") = "5"
    & skf21("6","5","4","4","1","5","2","1") = "5"
    & skf21("6","5","4","4","1","5","3","1") = "5"
    & skf21("6","5","4","4","1","5","4","1") = "5"
    & skf21("6","5","4","4","1","5","5","1") = "5"
    & skf21("6","5","4","4","1","5","6","1") = "5"
    & skf21("6","5","4","4","1","5","7","1") = "6"
    & skf21("6","5","4","4","1","6","1","1") = "5"
    & skf21("6","5","4","4","1","6","2","1") = "5"
    & skf21("6","5","4","4","1","6","3","1") = "5"
    & skf21("6","5","4","4","1","6","4","1") = "5"
    & skf21("6","5","4","4","1","6","5","1") = "5"
    & skf21("6","5","4","4","1","6","6","1") = "5"
    & skf21("6","5","4","4","1","6","7","1") = "6"
    & skf21("6","5","4","4","1","7","1","1") = "6"
    & skf21("6","5","4","4","1","7","2","1") = "6"
    & skf21("6","5","4","4","1","7","3","1") = "6"
    & skf21("6","5","4","4","1","7","4","1") = "6"
    & skf21("6","5","4","4","1","7","5","1") = "6"
    & skf21("6","5","4","4","1","7","6","1") = "6"
    & skf21("6","5","4","4","1","7","7","1") = "6"
    & skf21("6","5","4","4","2","1","1","1") = "5"
    & skf21("6","5","4","4","2","1","2","1") = "5"
    & skf21("6","5","4","4","2","1","3","1") = "5"
    & skf21("6","5","4","4","2","1","4","1") = "5"
    & skf21("6","5","4","4","2","1","5","1") = "5"
    & skf21("6","5","4","4","2","1","6","1") = "5"
    & skf21("6","5","4","4","2","1","7","1") = "6"
    & skf21("6","5","4","4","2","2","1","1") = "5"
    & skf21("6","5","4","4","2","2","2","1") = "5"
    & skf21("6","5","4","4","2","2","3","1") = "5"
    & skf21("6","5","4","4","2","2","4","1") = "5"
    & skf21("6","5","4","4","2","2","5","1") = "5"
    & skf21("6","5","4","4","2","2","6","1") = "5"
    & skf21("6","5","4","4","2","2","7","1") = "6"
    & skf21("6","5","4","4","2","3","1","1") = "5"
    & skf21("6","5","4","4","2","3","2","1") = "5"
    & skf21("6","5","4","4","2","3","3","1") = "5"
    & skf21("6","5","4","4","2","3","4","1") = "5"
    & skf21("6","5","4","4","2","3","5","1") = "5"
    & skf21("6","5","4","4","2","3","6","1") = "5"
    & skf21("6","5","4","4","2","3","7","1") = "6"
    & skf21("6","5","4","4","2","4","1","1") = "5"
    & skf21("6","5","4","4","2","4","2","1") = "5"
    & skf21("6","5","4","4","2","4","3","1") = "5"
    & skf21("6","5","4","4","2","4","4","1") = "5"
    & skf21("6","5","4","4","2","4","5","1") = "5"
    & skf21("6","5","4","4","2","4","6","1") = "5"
    & skf21("6","5","4","4","2","4","7","1") = "6"
    & skf21("6","5","4","4","2","5","1","1") = "5"
    & skf21("6","5","4","4","2","5","2","1") = "5"
    & skf21("6","5","4","4","2","5","3","1") = "5"
    & skf21("6","5","4","4","2","5","4","1") = "5"
    & skf21("6","5","4","4","2","5","5","1") = "5"
    & skf21("6","5","4","4","2","5","6","1") = "5"
    & skf21("6","5","4","4","2","5","7","1") = "6"
    & skf21("6","5","4","4","2","6","1","1") = "5"
    & skf21("6","5","4","4","2","6","2","1") = "5"
    & skf21("6","5","4","4","2","6","3","1") = "5"
    & skf21("6","5","4","4","2","6","4","1") = "5"
    & skf21("6","5","4","4","2","6","5","1") = "5"
    & skf21("6","5","4","4","2","6","6","1") = "5"
    & skf21("6","5","4","4","2","6","7","1") = "6"
    & skf21("6","5","4","4","2","7","1","1") = "6"
    & skf21("6","5","4","4","2","7","2","1") = "6"
    & skf21("6","5","4","4","2","7","3","1") = "6"
    & skf21("6","5","4","4","2","7","4","1") = "6"
    & skf21("6","5","4","4","2","7","5","1") = "6"
    & skf21("6","5","4","4","2","7","6","1") = "6"
    & skf21("6","5","4","4","2","7","7","1") = "6"
    & skf21("6","5","4","4","3","1","1","1") = "5"
    & skf21("6","5","4","4","3","1","2","1") = "5"
    & skf21("6","5","4","4","3","1","3","1") = "5"
    & skf21("6","5","4","4","3","1","4","1") = "5"
    & skf21("6","5","4","4","3","1","5","1") = "5"
    & skf21("6","5","4","4","3","1","6","1") = "5"
    & skf21("6","5","4","4","3","1","7","1") = "6"
    & skf21("6","5","4","4","3","2","1","1") = "5"
    & skf21("6","5","4","4","3","2","2","1") = "5"
    & skf21("6","5","4","4","3","2","3","1") = "5"
    & skf21("6","5","4","4","3","2","4","1") = "5"
    & skf21("6","5","4","4","3","2","5","1") = "5"
    & skf21("6","5","4","4","3","2","6","1") = "5"
    & skf21("6","5","4","4","3","2","7","1") = "6"
    & skf21("6","5","4","4","3","3","1","1") = "5"
    & skf21("6","5","4","4","3","3","2","1") = "5"
    & skf21("6","5","4","4","3","3","3","1") = "5"
    & skf21("6","5","4","4","3","3","4","1") = "5"
    & skf21("6","5","4","4","3","3","5","1") = "5"
    & skf21("6","5","4","4","3","3","6","1") = "5"
    & skf21("6","5","4","4","3","3","7","1") = "6"
    & skf21("6","5","4","4","3","4","1","1") = "5"
    & skf21("6","5","4","4","3","4","2","1") = "5"
    & skf21("6","5","4","4","3","4","3","1") = "5"
    & skf21("6","5","4","4","3","4","4","1") = "5"
    & skf21("6","5","4","4","3","4","5","1") = "5"
    & skf21("6","5","4","4","3","4","6","1") = "5"
    & skf21("6","5","4","4","3","4","7","1") = "6"
    & skf21("6","5","4","4","3","5","1","1") = "5"
    & skf21("6","5","4","4","3","5","2","1") = "5"
    & skf21("6","5","4","4","3","5","3","1") = "5"
    & skf21("6","5","4","4","3","5","4","1") = "5"
    & skf21("6","5","4","4","3","5","5","1") = "5"
    & skf21("6","5","4","4","3","5","6","1") = "5"
    & skf21("6","5","4","4","3","5","7","1") = "6"
    & skf21("6","5","4","4","3","6","1","1") = "5"
    & skf21("6","5","4","4","3","6","2","1") = "5"
    & skf21("6","5","4","4","3","6","3","1") = "5"
    & skf21("6","5","4","4","3","6","4","1") = "5"
    & skf21("6","5","4","4","3","6","5","1") = "5"
    & skf21("6","5","4","4","3","6","6","1") = "5"
    & skf21("6","5","4","4","3","6","7","1") = "6"
    & skf21("6","5","4","4","3","7","1","1") = "6"
    & skf21("6","5","4","4","3","7","2","1") = "6"
    & skf21("6","5","4","4","3","7","3","1") = "6"
    & skf21("6","5","4","4","3","7","4","1") = "6"
    & skf21("6","5","4","4","3","7","5","1") = "6"
    & skf21("6","5","4","4","3","7","6","1") = "6"
    & skf21("6","5","4","4","3","7","7","1") = "6"
    & skf21("6","5","4","4","4","1","1","1") = "5"
    & skf21("6","5","4","4","4","1","2","1") = "5"
    & skf21("6","5","4","4","4","1","3","1") = "5"
    & skf21("6","5","4","4","4","1","4","1") = "5"
    & skf21("6","5","4","4","4","1","5","1") = "5"
    & skf21("6","5","4","4","4","1","6","1") = "5"
    & skf21("6","5","4","4","4","1","7","1") = "6"
    & skf21("6","5","4","4","4","2","1","1") = "5"
    & skf21("6","5","4","4","4","2","2","1") = "5"
    & skf21("6","5","4","4","4","2","3","1") = "5"
    & skf21("6","5","4","4","4","2","4","1") = "5"
    & skf21("6","5","4","4","4","2","5","1") = "5"
    & skf21("6","5","4","4","4","2","6","1") = "5"
    & skf21("6","5","4","4","4","2","7","1") = "6"
    & skf21("6","5","4","4","4","3","1","1") = "5"
    & skf21("6","5","4","4","4","3","2","1") = "5"
    & skf21("6","5","4","4","4","3","3","1") = "5"
    & skf21("6","5","4","4","4","3","4","1") = "5"
    & skf21("6","5","4","4","4","3","5","1") = "5"
    & skf21("6","5","4","4","4","3","6","1") = "5"
    & skf21("6","5","4","4","4","3","7","1") = "6"
    & skf21("6","5","4","4","4","4","1","1") = "5"
    & skf21("6","5","4","4","4","4","2","1") = "5"
    & skf21("6","5","4","4","4","4","3","1") = "5"
    & skf21("6","5","4","4","4","4","4","1") = "5"
    & skf21("6","5","4","4","4","4","5","1") = "5"
    & skf21("6","5","4","4","4","4","6","1") = "5"
    & skf21("6","5","4","4","4","4","7","1") = "6"
    & skf21("6","5","4","4","4","5","1","1") = "5"
    & skf21("6","5","4","4","4","5","2","1") = "5"
    & skf21("6","5","4","4","4","5","3","1") = "5"
    & skf21("6","5","4","4","4","5","4","1") = "5"
    & skf21("6","5","4","4","4","5","5","1") = "5"
    & skf21("6","5","4","4","4","5","6","1") = "5"
    & skf21("6","5","4","4","4","5","7","1") = "6"
    & skf21("6","5","4","4","4","6","1","1") = "5"
    & skf21("6","5","4","4","4","6","2","1") = "5"
    & skf21("6","5","4","4","4","6","3","1") = "5"
    & skf21("6","5","4","4","4","6","4","1") = "5"
    & skf21("6","5","4","4","4","6","5","1") = "5"
    & skf21("6","5","4","4","4","6","6","1") = "5"
    & skf21("6","5","4","4","4","6","7","1") = "6"
    & skf21("6","5","4","4","4","7","1","1") = "6"
    & skf21("6","5","4","4","4","7","2","1") = "6"
    & skf21("6","5","4","4","4","7","3","1") = "6"
    & skf21("6","5","4","4","4","7","4","1") = "6"
    & skf21("6","5","4","4","4","7","5","1") = "6"
    & skf21("6","5","4","4","4","7","6","1") = "6"
    & skf21("6","5","4","4","4","7","7","1") = "6"
    & skf21("6","5","4","4","5","1","1","1") = "5"
    & skf21("6","5","4","4","5","1","2","1") = "5"
    & skf21("6","5","4","4","5","1","3","1") = "5"
    & skf21("6","5","4","4","5","1","4","1") = "5"
    & skf21("6","5","4","4","5","1","5","1") = "5"
    & skf21("6","5","4","4","5","1","6","1") = "5"
    & skf21("6","5","4","4","5","1","7","1") = "6"
    & skf21("6","5","4","4","5","2","1","1") = "5"
    & skf21("6","5","4","4","5","2","2","1") = "5"
    & skf21("6","5","4","4","5","2","3","1") = "5"
    & skf21("6","5","4","4","5","2","4","1") = "5"
    & skf21("6","5","4","4","5","2","5","1") = "5"
    & skf21("6","5","4","4","5","2","6","1") = "5"
    & skf21("6","5","4","4","5","2","7","1") = "6"
    & skf21("6","5","4","4","5","3","1","1") = "5"
    & skf21("6","5","4","4","5","3","2","1") = "5"
    & skf21("6","5","4","4","5","3","3","1") = "5"
    & skf21("6","5","4","4","5","3","4","1") = "5"
    & skf21("6","5","4","4","5","3","5","1") = "5"
    & skf21("6","5","4","4","5","3","6","1") = "5"
    & skf21("6","5","4","4","5","3","7","1") = "6"
    & skf21("6","5","4","4","5","4","1","1") = "5"
    & skf21("6","5","4","4","5","4","2","1") = "5"
    & skf21("6","5","4","4","5","4","3","1") = "5"
    & skf21("6","5","4","4","5","4","4","1") = "5"
    & skf21("6","5","4","4","5","4","5","1") = "5"
    & skf21("6","5","4","4","5","4","6","1") = "5"
    & skf21("6","5","4","4","5","4","7","1") = "6"
    & skf21("6","5","4","4","5","5","1","1") = "5"
    & skf21("6","5","4","4","5","5","2","1") = "5"
    & skf21("6","5","4","4","5","5","3","1") = "5"
    & skf21("6","5","4","4","5","5","4","1") = "5"
    & skf21("6","5","4","4","5","5","5","1") = "5"
    & skf21("6","5","4","4","5","5","6","1") = "5"
    & skf21("6","5","4","4","5","5","7","1") = "6"
    & skf21("6","5","4","4","5","6","1","1") = "5"
    & skf21("6","5","4","4","5","6","2","1") = "5"
    & skf21("6","5","4","4","5","6","3","1") = "5"
    & skf21("6","5","4","4","5","6","4","1") = "5"
    & skf21("6","5","4","4","5","6","5","1") = "5"
    & skf21("6","5","4","4","5","6","6","1") = "5"
    & skf21("6","5","4","4","5","6","7","1") = "6"
    & skf21("6","5","4","4","5","7","1","1") = "6"
    & skf21("6","5","4","4","5","7","2","1") = "6"
    & skf21("6","5","4","4","5","7","3","1") = "6"
    & skf21("6","5","4","4","5","7","4","1") = "6"
    & skf21("6","5","4","4","5","7","5","1") = "6"
    & skf21("6","5","4","4","5","7","6","1") = "6"
    & skf21("6","5","4","4","5","7","7","1") = "6"
    & skf21("6","5","4","4","6","1","1","1") = "5"
    & skf21("6","5","4","4","6","1","2","1") = "5"
    & skf21("6","5","4","4","6","1","3","1") = "5"
    & skf21("6","5","4","4","6","1","4","1") = "5"
    & skf21("6","5","4","4","6","1","5","1") = "5"
    & skf21("6","5","4","4","6","1","6","1") = "5"
    & skf21("6","5","4","4","6","1","7","1") = "6"
    & skf21("6","5","4","4","6","2","1","1") = "5"
    & skf21("6","5","4","4","6","2","2","1") = "5"
    & skf21("6","5","4","4","6","2","3","1") = "5"
    & skf21("6","5","4","4","6","2","4","1") = "5"
    & skf21("6","5","4","4","6","2","5","1") = "5"
    & skf21("6","5","4","4","6","2","6","1") = "5"
    & skf21("6","5","4","4","6","2","7","1") = "6"
    & skf21("6","5","4","4","6","3","1","1") = "5"
    & skf21("6","5","4","4","6","3","2","1") = "5"
    & skf21("6","5","4","4","6","3","3","1") = "5"
    & skf21("6","5","4","4","6","3","4","1") = "5"
    & skf21("6","5","4","4","6","3","5","1") = "5"
    & skf21("6","5","4","4","6","3","6","1") = "5"
    & skf21("6","5","4","4","6","3","7","1") = "6"
    & skf21("6","5","4","4","6","4","1","1") = "5"
    & skf21("6","5","4","4","6","4","2","1") = "5"
    & skf21("6","5","4","4","6","4","3","1") = "5"
    & skf21("6","5","4","4","6","4","4","1") = "5"
    & skf21("6","5","4","4","6","4","5","1") = "5"
    & skf21("6","5","4","4","6","4","6","1") = "5"
    & skf21("6","5","4","4","6","4","7","1") = "6"
    & skf21("6","5","4","4","6","5","1","1") = "5"
    & skf21("6","5","4","4","6","5","2","1") = "5"
    & skf21("6","5","4","4","6","5","3","1") = "5"
    & skf21("6","5","4","4","6","5","4","1") = "5"
    & skf21("6","5","4","4","6","5","5","1") = "5"
    & skf21("6","5","4","4","6","5","6","1") = "5"
    & skf21("6","5","4","4","6","5","7","1") = "6"
    & skf21("6","5","4","4","6","6","1","1") = "5"
    & skf21("6","5","4","4","6","6","2","1") = "5"
    & skf21("6","5","4","4","6","6","3","1") = "5"
    & skf21("6","5","4","4","6","6","4","1") = "5"
    & skf21("6","5","4","4","6","6","5","1") = "5"
    & skf21("6","5","4","4","6","6","6","1") = "5"
    & skf21("6","5","4","4","6","6","7","1") = "6"
    & skf21("6","5","4","4","6","7","1","1") = "6"
    & skf21("6","5","4","4","6","7","2","1") = "6"
    & skf21("6","5","4","4","6","7","3","1") = "6"
    & skf21("6","5","4","4","6","7","4","1") = "6"
    & skf21("6","5","4","4","6","7","5","1") = "6"
    & skf21("6","5","4","4","6","7","6","1") = "6"
    & skf21("6","5","4","4","6","7","7","1") = "6"
    & skf21("6","5","4","4","7","1","1","1") = "6"
    & skf21("6","5","4","4","7","1","2","1") = "6"
    & skf21("6","5","4","4","7","1","3","1") = "6"
    & skf21("6","5","4","4","7","1","4","1") = "6"
    & skf21("6","5","4","4","7","1","5","1") = "6"
    & skf21("6","5","4","4","7","1","6","1") = "6"
    & skf21("6","5","4","4","7","1","7","1") = "6"
    & skf21("6","5","4","4","7","2","1","1") = "6"
    & skf21("6","5","4","4","7","2","2","1") = "6"
    & skf21("6","5","4","4","7","2","3","1") = "6"
    & skf21("6","5","4","4","7","2","4","1") = "6"
    & skf21("6","5","4","4","7","2","5","1") = "6"
    & skf21("6","5","4","4","7","2","6","1") = "6"
    & skf21("6","5","4","4","7","2","7","1") = "6"
    & skf21("6","5","4","4","7","3","1","1") = "6"
    & skf21("6","5","4","4","7","3","2","1") = "6"
    & skf21("6","5","4","4","7","3","3","1") = "6"
    & skf21("6","5","4","4","7","3","4","1") = "6"
    & skf21("6","5","4","4","7","3","5","1") = "6"
    & skf21("6","5","4","4","7","3","6","1") = "6"
    & skf21("6","5","4","4","7","3","7","1") = "6"
    & skf21("6","5","4","4","7","4","1","1") = "6"
    & skf21("6","5","4","4","7","4","2","1") = "6"
    & skf21("6","5","4","4","7","4","3","1") = "6"
    & skf21("6","5","4","4","7","4","4","1") = "6"
    & skf21("6","5","4","4","7","4","5","1") = "6"
    & skf21("6","5","4","4","7","4","6","1") = "6"
    & skf21("6","5","4","4","7","4","7","1") = "6"
    & skf21("6","5","4","4","7","5","1","1") = "6"
    & skf21("6","5","4","4","7","5","2","1") = "6"
    & skf21("6","5","4","4","7","5","3","1") = "6"
    & skf21("6","5","4","4","7","5","4","1") = "6"
    & skf21("6","5","4","4","7","5","5","1") = "6"
    & skf21("6","5","4","4","7","5","6","1") = "6"
    & skf21("6","5","4","4","7","5","7","1") = "6"
    & skf21("6","5","4","4","7","6","1","1") = "6"
    & skf21("6","5","4","4","7","6","2","1") = "6"
    & skf21("6","5","4","4","7","6","3","1") = "6"
    & skf21("6","5","4","4","7","6","4","1") = "6"
    & skf21("6","5","4","4","7","6","5","1") = "6"
    & skf21("6","5","4","4","7","6","6","1") = "6"
    & skf21("6","5","4","4","7","6","7","1") = "6"
    & skf21("6","5","4","4","7","7","1","1") = "6"
    & skf21("6","5","4","4","7","7","2","1") = "6"
    & skf21("6","5","4","4","7","7","3","1") = "6"
    & skf21("6","5","4","4","7","7","4","1") = "6"
    & skf21("6","5","4","4","7","7","5","1") = "6"
    & skf21("6","5","4","4","7","7","6","1") = "6"
    & skf21("6","5","4","4","7","7","7","1") = "6"
    & skf21("6","5","4","5","1","1","1","1") = "5"
    & skf21("6","5","4","5","1","1","2","1") = "5"
    & skf21("6","5","4","5","1","1","3","1") = "5"
    & skf21("6","5","4","5","1","1","4","1") = "5"
    & skf21("6","5","4","5","1","1","5","1") = "5"
    & skf21("6","5","4","5","1","1","6","1") = "5"
    & skf21("6","5","4","5","1","1","7","1") = "6"
    & skf21("6","5","4","5","1","2","1","1") = "5"
    & skf21("6","5","4","5","1","2","2","1") = "5"
    & skf21("6","5","4","5","1","2","3","1") = "5"
    & skf21("6","5","4","5","1","2","4","1") = "5"
    & skf21("6","5","4","5","1","2","5","1") = "5"
    & skf21("6","5","4","5","1","2","6","1") = "5"
    & skf21("6","5","4","5","1","2","7","1") = "6"
    & skf21("6","5","4","5","1","3","1","1") = "5"
    & skf21("6","5","4","5","1","3","2","1") = "5"
    & skf21("6","5","4","5","1","3","3","1") = "5"
    & skf21("6","5","4","5","1","3","4","1") = "5"
    & skf21("6","5","4","5","1","3","5","1") = "5"
    & skf21("6","5","4","5","1","3","6","1") = "5"
    & skf21("6","5","4","5","1","3","7","1") = "6"
    & skf21("6","5","4","5","1","4","1","1") = "5"
    & skf21("6","5","4","5","1","4","2","1") = "5"
    & skf21("6","5","4","5","1","4","3","1") = "5"
    & skf21("6","5","4","5","1","4","4","1") = "5"
    & skf21("6","5","4","5","1","4","5","1") = "5"
    & skf21("6","5","4","5","1","4","6","1") = "5"
    & skf21("6","5","4","5","1","4","7","1") = "6"
    & skf21("6","5","4","5","1","5","1","1") = "5"
    & skf21("6","5","4","5","1","5","2","1") = "5"
    & skf21("6","5","4","5","1","5","3","1") = "5"
    & skf21("6","5","4","5","1","5","4","1") = "5"
    & skf21("6","5","4","5","1","5","5","1") = "5"
    & skf21("6","5","4","5","1","5","6","1") = "5"
    & skf21("6","5","4","5","1","5","7","1") = "6"
    & skf21("6","5","4","5","1","6","1","1") = "5"
    & skf21("6","5","4","5","1","6","2","1") = "5"
    & skf21("6","5","4","5","1","6","3","1") = "5"
    & skf21("6","5","4","5","1","6","4","1") = "5"
    & skf21("6","5","4","5","1","6","5","1") = "5"
    & skf21("6","5","4","5","1","6","6","1") = "5"
    & skf21("6","5","4","5","1","6","7","1") = "6"
    & skf21("6","5","4","5","1","7","1","1") = "6"
    & skf21("6","5","4","5","1","7","2","1") = "6"
    & skf21("6","5","4","5","1","7","3","1") = "6"
    & skf21("6","5","4","5","1","7","4","1") = "6"
    & skf21("6","5","4","5","1","7","5","1") = "6"
    & skf21("6","5","4","5","1","7","6","1") = "6"
    & skf21("6","5","4","5","1","7","7","1") = "6"
    & skf21("6","5","4","5","2","1","1","1") = "5"
    & skf21("6","5","4","5","2","1","2","1") = "5"
    & skf21("6","5","4","5","2","1","3","1") = "5"
    & skf21("6","5","4","5","2","1","4","1") = "5"
    & skf21("6","5","4","5","2","1","5","1") = "5"
    & skf21("6","5","4","5","2","1","6","1") = "5"
    & skf21("6","5","4","5","2","1","7","1") = "6"
    & skf21("6","5","4","5","2","2","1","1") = "5"
    & skf21("6","5","4","5","2","2","2","1") = "5"
    & skf21("6","5","4","5","2","2","3","1") = "5"
    & skf21("6","5","4","5","2","2","4","1") = "5"
    & skf21("6","5","4","5","2","2","5","1") = "5"
    & skf21("6","5","4","5","2","2","6","1") = "5"
    & skf21("6","5","4","5","2","2","7","1") = "6"
    & skf21("6","5","4","5","2","3","1","1") = "5"
    & skf21("6","5","4","5","2","3","2","1") = "5"
    & skf21("6","5","4","5","2","3","3","1") = "5"
    & skf21("6","5","4","5","2","3","4","1") = "5"
    & skf21("6","5","4","5","2","3","5","1") = "5"
    & skf21("6","5","4","5","2","3","6","1") = "5"
    & skf21("6","5","4","5","2","3","7","1") = "6"
    & skf21("6","5","4","5","2","4","1","1") = "5"
    & skf21("6","5","4","5","2","4","2","1") = "5"
    & skf21("6","5","4","5","2","4","3","1") = "5"
    & skf21("6","5","4","5","2","4","4","1") = "5"
    & skf21("6","5","4","5","2","4","5","1") = "5"
    & skf21("6","5","4","5","2","4","6","1") = "5"
    & skf21("6","5","4","5","2","4","7","1") = "6"
    & skf21("6","5","4","5","2","5","1","1") = "5"
    & skf21("6","5","4","5","2","5","2","1") = "5"
    & skf21("6","5","4","5","2","5","3","1") = "5"
    & skf21("6","5","4","5","2","5","4","1") = "5"
    & skf21("6","5","4","5","2","5","5","1") = "5"
    & skf21("6","5","4","5","2","5","6","1") = "5"
    & skf21("6","5","4","5","2","5","7","1") = "6"
    & skf21("6","5","4","5","2","6","1","1") = "5"
    & skf21("6","5","4","5","2","6","2","1") = "5"
    & skf21("6","5","4","5","2","6","3","1") = "5"
    & skf21("6","5","4","5","2","6","4","1") = "5"
    & skf21("6","5","4","5","2","6","5","1") = "5"
    & skf21("6","5","4","5","2","6","6","1") = "5"
    & skf21("6","5","4","5","2","6","7","1") = "6"
    & skf21("6","5","4","5","2","7","1","1") = "6"
    & skf21("6","5","4","5","2","7","2","1") = "6"
    & skf21("6","5","4","5","2","7","3","1") = "6"
    & skf21("6","5","4","5","2","7","4","1") = "6"
    & skf21("6","5","4","5","2","7","5","1") = "6"
    & skf21("6","5","4","5","2","7","6","1") = "6"
    & skf21("6","5","4","5","2","7","7","1") = "6"
    & skf21("6","5","4","5","3","1","1","1") = "5"
    & skf21("6","5","4","5","3","1","2","1") = "5"
    & skf21("6","5","4","5","3","1","3","1") = "5"
    & skf21("6","5","4","5","3","1","4","1") = "5"
    & skf21("6","5","4","5","3","1","5","1") = "5"
    & skf21("6","5","4","5","3","1","6","1") = "5"
    & skf21("6","5","4","5","3","1","7","1") = "6"
    & skf21("6","5","4","5","3","2","1","1") = "5"
    & skf21("6","5","4","5","3","2","2","1") = "5"
    & skf21("6","5","4","5","3","2","3","1") = "5"
    & skf21("6","5","4","5","3","2","4","1") = "5"
    & skf21("6","5","4","5","3","2","5","1") = "5"
    & skf21("6","5","4","5","3","2","6","1") = "5"
    & skf21("6","5","4","5","3","2","7","1") = "6"
    & skf21("6","5","4","5","3","3","1","1") = "5"
    & skf21("6","5","4","5","3","3","2","1") = "5"
    & skf21("6","5","4","5","3","3","3","1") = "5"
    & skf21("6","5","4","5","3","3","4","1") = "5"
    & skf21("6","5","4","5","3","3","5","1") = "5"
    & skf21("6","5","4","5","3","3","6","1") = "5"
    & skf21("6","5","4","5","3","3","7","1") = "6"
    & skf21("6","5","4","5","3","4","1","1") = "5"
    & skf21("6","5","4","5","3","4","2","1") = "5"
    & skf21("6","5","4","5","3","4","3","1") = "5"
    & skf21("6","5","4","5","3","4","4","1") = "5"
    & skf21("6","5","4","5","3","4","5","1") = "5"
    & skf21("6","5","4","5","3","4","6","1") = "5"
    & skf21("6","5","4","5","3","4","7","1") = "6"
    & skf21("6","5","4","5","3","5","1","1") = "5"
    & skf21("6","5","4","5","3","5","2","1") = "5"
    & skf21("6","5","4","5","3","5","3","1") = "5"
    & skf21("6","5","4","5","3","5","4","1") = "5"
    & skf21("6","5","4","5","3","5","5","1") = "5"
    & skf21("6","5","4","5","3","5","6","1") = "5"
    & skf21("6","5","4","5","3","5","7","1") = "6"
    & skf21("6","5","4","5","3","6","1","1") = "5"
    & skf21("6","5","4","5","3","6","2","1") = "5"
    & skf21("6","5","4","5","3","6","3","1") = "5"
    & skf21("6","5","4","5","3","6","4","1") = "5"
    & skf21("6","5","4","5","3","6","5","1") = "5"
    & skf21("6","5","4","5","3","6","6","1") = "5"
    & skf21("6","5","4","5","3","6","7","1") = "6"
    & skf21("6","5","4","5","3","7","1","1") = "6"
    & skf21("6","5","4","5","3","7","2","1") = "6"
    & skf21("6","5","4","5","3","7","3","1") = "6"
    & skf21("6","5","4","5","3","7","4","1") = "6"
    & skf21("6","5","4","5","3","7","5","1") = "6"
    & skf21("6","5","4","5","3","7","6","1") = "6"
    & skf21("6","5","4","5","3","7","7","1") = "6"
    & skf21("6","5","4","5","4","1","1","1") = "5"
    & skf21("6","5","4","5","4","1","2","1") = "5"
    & skf21("6","5","4","5","4","1","3","1") = "5"
    & skf21("6","5","4","5","4","1","4","1") = "5"
    & skf21("6","5","4","5","4","1","5","1") = "5"
    & skf21("6","5","4","5","4","1","6","1") = "5"
    & skf21("6","5","4","5","4","1","7","1") = "6"
    & skf21("6","5","4","5","4","2","1","1") = "5"
    & skf21("6","5","4","5","4","2","2","1") = "5"
    & skf21("6","5","4","5","4","2","3","1") = "5"
    & skf21("6","5","4","5","4","2","4","1") = "5"
    & skf21("6","5","4","5","4","2","5","1") = "5"
    & skf21("6","5","4","5","4","2","6","1") = "5"
    & skf21("6","5","4","5","4","2","7","1") = "6"
    & skf21("6","5","4","5","4","3","1","1") = "5"
    & skf21("6","5","4","5","4","3","2","1") = "5"
    & skf21("6","5","4","5","4","3","3","1") = "5"
    & skf21("6","5","4","5","4","3","4","1") = "5"
    & skf21("6","5","4","5","4","3","5","1") = "5"
    & skf21("6","5","4","5","4","3","6","1") = "5"
    & skf21("6","5","4","5","4","3","7","1") = "6"
    & skf21("6","5","4","5","4","4","1","1") = "5"
    & skf21("6","5","4","5","4","4","2","1") = "5"
    & skf21("6","5","4","5","4","4","3","1") = "5"
    & skf21("6","5","4","5","4","4","4","1") = "5"
    & skf21("6","5","4","5","4","4","5","1") = "5"
    & skf21("6","5","4","5","4","4","6","1") = "5"
    & skf21("6","5","4","5","4","4","7","1") = "6"
    & skf21("6","5","4","5","4","5","1","1") = "5"
    & skf21("6","5","4","5","4","5","2","1") = "5"
    & skf21("6","5","4","5","4","5","3","1") = "5"
    & skf21("6","5","4","5","4","5","4","1") = "5"
    & skf21("6","5","4","5","4","5","5","1") = "5"
    & skf21("6","5","4","5","4","5","6","1") = "5"
    & skf21("6","5","4","5","4","5","7","1") = "6"
    & skf21("6","5","4","5","4","6","1","1") = "5"
    & skf21("6","5","4","5","4","6","2","1") = "5"
    & skf21("6","5","4","5","4","6","3","1") = "5"
    & skf21("6","5","4","5","4","6","4","1") = "5"
    & skf21("6","5","4","5","4","6","5","1") = "5"
    & skf21("6","5","4","5","4","6","6","1") = "5"
    & skf21("6","5","4","5","4","6","7","1") = "6"
    & skf21("6","5","4","5","4","7","1","1") = "6"
    & skf21("6","5","4","5","4","7","2","1") = "6"
    & skf21("6","5","4","5","4","7","3","1") = "6"
    & skf21("6","5","4","5","4","7","4","1") = "6"
    & skf21("6","5","4","5","4","7","5","1") = "6"
    & skf21("6","5","4","5","4","7","6","1") = "6"
    & skf21("6","5","4","5","4","7","7","1") = "6"
    & skf21("6","5","4","5","5","1","1","1") = "5"
    & skf21("6","5","4","5","5","1","2","1") = "5"
    & skf21("6","5","4","5","5","1","3","1") = "5"
    & skf21("6","5","4","5","5","1","4","1") = "5"
    & skf21("6","5","4","5","5","1","5","1") = "5"
    & skf21("6","5","4","5","5","1","6","1") = "5"
    & skf21("6","5","4","5","5","1","7","1") = "6"
    & skf21("6","5","4","5","5","2","1","1") = "5"
    & skf21("6","5","4","5","5","2","2","1") = "5"
    & skf21("6","5","4","5","5","2","3","1") = "5"
    & skf21("6","5","4","5","5","2","4","1") = "5"
    & skf21("6","5","4","5","5","2","5","1") = "5"
    & skf21("6","5","4","5","5","2","6","1") = "5"
    & skf21("6","5","4","5","5","2","7","1") = "6"
    & skf21("6","5","4","5","5","3","1","1") = "5"
    & skf21("6","5","4","5","5","3","2","1") = "5"
    & skf21("6","5","4","5","5","3","3","1") = "5"
    & skf21("6","5","4","5","5","3","4","1") = "5"
    & skf21("6","5","4","5","5","3","5","1") = "5"
    & skf21("6","5","4","5","5","3","6","1") = "5"
    & skf21("6","5","4","5","5","3","7","1") = "6"
    & skf21("6","5","4","5","5","4","1","1") = "5"
    & skf21("6","5","4","5","5","4","2","1") = "5"
    & skf21("6","5","4","5","5","4","3","1") = "5"
    & skf21("6","5","4","5","5","4","4","1") = "5"
    & skf21("6","5","4","5","5","4","5","1") = "5"
    & skf21("6","5","4","5","5","4","6","1") = "5"
    & skf21("6","5","4","5","5","4","7","1") = "6"
    & skf21("6","5","4","5","5","5","1","1") = "5"
    & skf21("6","5","4","5","5","5","2","1") = "5"
    & skf21("6","5","4","5","5","5","3","1") = "5"
    & skf21("6","5","4","5","5","5","4","1") = "5"
    & skf21("6","5","4","5","5","5","5","1") = "5"
    & skf21("6","5","4","5","5","5","6","1") = "5"
    & skf21("6","5","4","5","5","5","7","1") = "6"
    & skf21("6","5","4","5","5","6","1","1") = "5"
    & skf21("6","5","4","5","5","6","2","1") = "5"
    & skf21("6","5","4","5","5","6","3","1") = "5"
    & skf21("6","5","4","5","5","6","4","1") = "5"
    & skf21("6","5","4","5","5","6","5","1") = "5"
    & skf21("6","5","4","5","5","6","6","1") = "5"
    & skf21("6","5","4","5","5","6","7","1") = "6"
    & skf21("6","5","4","5","5","7","1","1") = "6"
    & skf21("6","5","4","5","5","7","2","1") = "6"
    & skf21("6","5","4","5","5","7","3","1") = "6"
    & skf21("6","5","4","5","5","7","4","1") = "6"
    & skf21("6","5","4","5","5","7","5","1") = "6"
    & skf21("6","5","4","5","5","7","6","1") = "6"
    & skf21("6","5","4","5","5","7","7","1") = "6"
    & skf21("6","5","4","5","6","1","1","1") = "5"
    & skf21("6","5","4","5","6","1","2","1") = "5"
    & skf21("6","5","4","5","6","1","3","1") = "5"
    & skf21("6","5","4","5","6","1","4","1") = "5"
    & skf21("6","5","4","5","6","1","5","1") = "5"
    & skf21("6","5","4","5","6","1","6","1") = "5"
    & skf21("6","5","4","5","6","1","7","1") = "6"
    & skf21("6","5","4","5","6","2","1","1") = "5"
    & skf21("6","5","4","5","6","2","2","1") = "5"
    & skf21("6","5","4","5","6","2","3","1") = "5"
    & skf21("6","5","4","5","6","2","4","1") = "5"
    & skf21("6","5","4","5","6","2","5","1") = "5"
    & skf21("6","5","4","5","6","2","6","1") = "5"
    & skf21("6","5","4","5","6","2","7","1") = "6"
    & skf21("6","5","4","5","6","3","1","1") = "5"
    & skf21("6","5","4","5","6","3","2","1") = "5"
    & skf21("6","5","4","5","6","3","3","1") = "5"
    & skf21("6","5","4","5","6","3","4","1") = "5"
    & skf21("6","5","4","5","6","3","5","1") = "5"
    & skf21("6","5","4","5","6","3","6","1") = "5"
    & skf21("6","5","4","5","6","3","7","1") = "6"
    & skf21("6","5","4","5","6","4","1","1") = "5"
    & skf21("6","5","4","5","6","4","2","1") = "5"
    & skf21("6","5","4","5","6","4","3","1") = "5"
    & skf21("6","5","4","5","6","4","4","1") = "5"
    & skf21("6","5","4","5","6","4","5","1") = "5"
    & skf21("6","5","4","5","6","4","6","1") = "5"
    & skf21("6","5","4","5","6","4","7","1") = "6"
    & skf21("6","5","4","5","6","5","1","1") = "5"
    & skf21("6","5","4","5","6","5","2","1") = "5"
    & skf21("6","5","4","5","6","5","3","1") = "5"
    & skf21("6","5","4","5","6","5","4","1") = "5"
    & skf21("6","5","4","5","6","5","5","1") = "5"
    & skf21("6","5","4","5","6","5","6","1") = "5"
    & skf21("6","5","4","5","6","5","7","1") = "6"
    & skf21("6","5","4","5","6","6","1","1") = "5"
    & skf21("6","5","4","5","6","6","2","1") = "5"
    & skf21("6","5","4","5","6","6","3","1") = "5"
    & skf21("6","5","4","5","6","6","4","1") = "5"
    & skf21("6","5","4","5","6","6","5","1") = "5"
    & skf21("6","5","4","5","6","6","6","1") = "5"
    & skf21("6","5","4","5","6","6","7","1") = "6"
    & skf21("6","5","4","5","6","7","1","1") = "6"
    & skf21("6","5","4","5","6","7","2","1") = "6"
    & skf21("6","5","4","5","6","7","3","1") = "6"
    & skf21("6","5","4","5","6","7","4","1") = "6"
    & skf21("6","5","4","5","6","7","5","1") = "6"
    & skf21("6","5","4","5","6","7","6","1") = "6"
    & skf21("6","5","4","5","6","7","7","1") = "6"
    & skf21("6","5","4","5","7","1","1","1") = "6"
    & skf21("6","5","4","5","7","1","2","1") = "6"
    & skf21("6","5","4","5","7","1","3","1") = "6"
    & skf21("6","5","4","5","7","1","4","1") = "6"
    & skf21("6","5","4","5","7","1","5","1") = "6"
    & skf21("6","5","4","5","7","1","6","1") = "6"
    & skf21("6","5","4","5","7","1","7","1") = "6"
    & skf21("6","5","4","5","7","2","1","1") = "6"
    & skf21("6","5","4","5","7","2","2","1") = "6"
    & skf21("6","5","4","5","7","2","3","1") = "6"
    & skf21("6","5","4","5","7","2","4","1") = "6"
    & skf21("6","5","4","5","7","2","5","1") = "6"
    & skf21("6","5","4","5","7","2","6","1") = "6"
    & skf21("6","5","4","5","7","2","7","1") = "6"
    & skf21("6","5","4","5","7","3","1","1") = "6"
    & skf21("6","5","4","5","7","3","2","1") = "6"
    & skf21("6","5","4","5","7","3","3","1") = "6"
    & skf21("6","5","4","5","7","3","4","1") = "6"
    & skf21("6","5","4","5","7","3","5","1") = "6"
    & skf21("6","5","4","5","7","3","6","1") = "6"
    & skf21("6","5","4","5","7","3","7","1") = "6"
    & skf21("6","5","4","5","7","4","1","1") = "6"
    & skf21("6","5","4","5","7","4","2","1") = "6"
    & skf21("6","5","4","5","7","4","3","1") = "6"
    & skf21("6","5","4","5","7","4","4","1") = "6"
    & skf21("6","5","4","5","7","4","5","1") = "6"
    & skf21("6","5","4","5","7","4","6","1") = "6"
    & skf21("6","5","4","5","7","4","7","1") = "6"
    & skf21("6","5","4","5","7","5","1","1") = "6"
    & skf21("6","5","4","5","7","5","2","1") = "6"
    & skf21("6","5","4","5","7","5","3","1") = "6"
    & skf21("6","5","4","5","7","5","4","1") = "6"
    & skf21("6","5","4","5","7","5","5","1") = "6"
    & skf21("6","5","4","5","7","5","6","1") = "6"
    & skf21("6","5","4","5","7","5","7","1") = "6"
    & skf21("6","5","4","5","7","6","1","1") = "6"
    & skf21("6","5","4","5","7","6","2","1") = "6"
    & skf21("6","5","4","5","7","6","3","1") = "6"
    & skf21("6","5","4","5","7","6","4","1") = "6"
    & skf21("6","5","4","5","7","6","5","1") = "6"
    & skf21("6","5","4","5","7","6","6","1") = "6"
    & skf21("6","5","4","5","7","6","7","1") = "6"
    & skf21("6","5","4","5","7","7","1","1") = "6"
    & skf21("6","5","4","5","7","7","2","1") = "6"
    & skf21("6","5","4","5","7","7","3","1") = "6"
    & skf21("6","5","4","5","7","7","4","1") = "6"
    & skf21("6","5","4","5","7","7","5","1") = "6"
    & skf21("6","5","4","5","7","7","6","1") = "6"
    & skf21("6","5","4","5","7","7","7","1") = "6"
    & skf21("6","5","4","6","1","1","1","1") = "5"
    & skf21("6","5","4","6","1","1","2","1") = "5"
    & skf21("6","5","4","6","1","1","3","1") = "5"
    & skf21("6","5","4","6","1","1","4","1") = "5"
    & skf21("6","5","4","6","1","1","5","1") = "5"
    & skf21("6","5","4","6","1","1","6","1") = "5"
    & skf21("6","5","4","6","1","1","7","1") = "6"
    & skf21("6","5","4","6","1","2","1","1") = "5"
    & skf21("6","5","4","6","1","2","2","1") = "5"
    & skf21("6","5","4","6","1","2","3","1") = "5"
    & skf21("6","5","4","6","1","2","4","1") = "5"
    & skf21("6","5","4","6","1","2","5","1") = "5"
    & skf21("6","5","4","6","1","2","6","1") = "5"
    & skf21("6","5","4","6","1","2","7","1") = "6"
    & skf21("6","5","4","6","1","3","1","1") = "5"
    & skf21("6","5","4","6","1","3","2","1") = "5"
    & skf21("6","5","4","6","1","3","3","1") = "5"
    & skf21("6","5","4","6","1","3","4","1") = "5"
    & skf21("6","5","4","6","1","3","5","1") = "5"
    & skf21("6","5","4","6","1","3","6","1") = "5"
    & skf21("6","5","4","6","1","3","7","1") = "6"
    & skf21("6","5","4","6","1","4","1","1") = "5"
    & skf21("6","5","4","6","1","4","2","1") = "5"
    & skf21("6","5","4","6","1","4","3","1") = "5"
    & skf21("6","5","4","6","1","4","4","1") = "5"
    & skf21("6","5","4","6","1","4","5","1") = "5"
    & skf21("6","5","4","6","1","4","6","1") = "5"
    & skf21("6","5","4","6","1","4","7","1") = "6"
    & skf21("6","5","4","6","1","5","1","1") = "5"
    & skf21("6","5","4","6","1","5","2","1") = "5"
    & skf21("6","5","4","6","1","5","3","1") = "5"
    & skf21("6","5","4","6","1","5","4","1") = "5"
    & skf21("6","5","4","6","1","5","5","1") = "5"
    & skf21("6","5","4","6","1","5","6","1") = "5"
    & skf21("6","5","4","6","1","5","7","1") = "6"
    & skf21("6","5","4","6","1","6","1","1") = "5"
    & skf21("6","5","4","6","1","6","2","1") = "5"
    & skf21("6","5","4","6","1","6","3","1") = "5"
    & skf21("6","5","4","6","1","6","4","1") = "5"
    & skf21("6","5","4","6","1","6","5","1") = "5"
    & skf21("6","5","4","6","1","6","6","1") = "5"
    & skf21("6","5","4","6","1","6","7","1") = "6"
    & skf21("6","5","4","6","1","7","1","1") = "6"
    & skf21("6","5","4","6","1","7","2","1") = "6"
    & skf21("6","5","4","6","1","7","3","1") = "6"
    & skf21("6","5","4","6","1","7","4","1") = "6"
    & skf21("6","5","4","6","1","7","5","1") = "6"
    & skf21("6","5","4","6","1","7","6","1") = "6"
    & skf21("6","5","4","6","1","7","7","1") = "6"
    & skf21("6","5","4","6","2","1","1","1") = "5"
    & skf21("6","5","4","6","2","1","2","1") = "5"
    & skf21("6","5","4","6","2","1","3","1") = "5"
    & skf21("6","5","4","6","2","1","4","1") = "5"
    & skf21("6","5","4","6","2","1","5","1") = "5"
    & skf21("6","5","4","6","2","1","6","1") = "5"
    & skf21("6","5","4","6","2","1","7","1") = "6"
    & skf21("6","5","4","6","2","2","1","1") = "5"
    & skf21("6","5","4","6","2","2","2","1") = "5"
    & skf21("6","5","4","6","2","2","3","1") = "5"
    & skf21("6","5","4","6","2","2","4","1") = "5"
    & skf21("6","5","4","6","2","2","5","1") = "5"
    & skf21("6","5","4","6","2","2","6","1") = "5"
    & skf21("6","5","4","6","2","2","7","1") = "6"
    & skf21("6","5","4","6","2","3","1","1") = "5"
    & skf21("6","5","4","6","2","3","2","1") = "5"
    & skf21("6","5","4","6","2","3","3","1") = "5"
    & skf21("6","5","4","6","2","3","4","1") = "5"
    & skf21("6","5","4","6","2","3","5","1") = "5"
    & skf21("6","5","4","6","2","3","6","1") = "5"
    & skf21("6","5","4","6","2","3","7","1") = "6"
    & skf21("6","5","4","6","2","4","1","1") = "5"
    & skf21("6","5","4","6","2","4","2","1") = "5"
    & skf21("6","5","4","6","2","4","3","1") = "5"
    & skf21("6","5","4","6","2","4","4","1") = "5"
    & skf21("6","5","4","6","2","4","5","1") = "5"
    & skf21("6","5","4","6","2","4","6","1") = "5"
    & skf21("6","5","4","6","2","4","7","1") = "6"
    & skf21("6","5","4","6","2","5","1","1") = "5"
    & skf21("6","5","4","6","2","5","2","1") = "5"
    & skf21("6","5","4","6","2","5","3","1") = "5"
    & skf21("6","5","4","6","2","5","4","1") = "5"
    & skf21("6","5","4","6","2","5","5","1") = "5"
    & skf21("6","5","4","6","2","5","6","1") = "5"
    & skf21("6","5","4","6","2","5","7","1") = "6"
    & skf21("6","5","4","6","2","6","1","1") = "5"
    & skf21("6","5","4","6","2","6","2","1") = "5"
    & skf21("6","5","4","6","2","6","3","1") = "5"
    & skf21("6","5","4","6","2","6","4","1") = "5"
    & skf21("6","5","4","6","2","6","5","1") = "5"
    & skf21("6","5","4","6","2","6","6","1") = "5"
    & skf21("6","5","4","6","2","6","7","1") = "6"
    & skf21("6","5","4","6","2","7","1","1") = "6"
    & skf21("6","5","4","6","2","7","2","1") = "6"
    & skf21("6","5","4","6","2","7","3","1") = "6"
    & skf21("6","5","4","6","2","7","4","1") = "6"
    & skf21("6","5","4","6","2","7","5","1") = "6"
    & skf21("6","5","4","6","2","7","6","1") = "6"
    & skf21("6","5","4","6","2","7","7","1") = "6"
    & skf21("6","5","4","6","3","1","1","1") = "5"
    & skf21("6","5","4","6","3","1","2","1") = "5"
    & skf21("6","5","4","6","3","1","3","1") = "5"
    & skf21("6","5","4","6","3","1","4","1") = "5"
    & skf21("6","5","4","6","3","1","5","1") = "5"
    & skf21("6","5","4","6","3","1","6","1") = "5"
    & skf21("6","5","4","6","3","1","7","1") = "6"
    & skf21("6","5","4","6","3","2","1","1") = "5"
    & skf21("6","5","4","6","3","2","2","1") = "5"
    & skf21("6","5","4","6","3","2","3","1") = "5"
    & skf21("6","5","4","6","3","2","4","1") = "5"
    & skf21("6","5","4","6","3","2","5","1") = "5"
    & skf21("6","5","4","6","3","2","6","1") = "5"
    & skf21("6","5","4","6","3","2","7","1") = "6"
    & skf21("6","5","4","6","3","3","1","1") = "5"
    & skf21("6","5","4","6","3","3","2","1") = "5"
    & skf21("6","5","4","6","3","3","3","1") = "5"
    & skf21("6","5","4","6","3","3","4","1") = "5"
    & skf21("6","5","4","6","3","3","5","1") = "5"
    & skf21("6","5","4","6","3","3","6","1") = "5"
    & skf21("6","5","4","6","3","3","7","1") = "6"
    & skf21("6","5","4","6","3","4","1","1") = "5"
    & skf21("6","5","4","6","3","4","2","1") = "5"
    & skf21("6","5","4","6","3","4","3","1") = "5"
    & skf21("6","5","4","6","3","4","4","1") = "5"
    & skf21("6","5","4","6","3","4","5","1") = "5"
    & skf21("6","5","4","6","3","4","6","1") = "5"
    & skf21("6","5","4","6","3","4","7","1") = "6"
    & skf21("6","5","4","6","3","5","1","1") = "5"
    & skf21("6","5","4","6","3","5","2","1") = "5"
    & skf21("6","5","4","6","3","5","3","1") = "5"
    & skf21("6","5","4","6","3","5","4","1") = "5"
    & skf21("6","5","4","6","3","5","5","1") = "5"
    & skf21("6","5","4","6","3","5","6","1") = "5"
    & skf21("6","5","4","6","3","5","7","1") = "6"
    & skf21("6","5","4","6","3","6","1","1") = "5"
    & skf21("6","5","4","6","3","6","2","1") = "5"
    & skf21("6","5","4","6","3","6","3","1") = "5"
    & skf21("6","5","4","6","3","6","4","1") = "5"
    & skf21("6","5","4","6","3","6","5","1") = "5"
    & skf21("6","5","4","6","3","6","6","1") = "5"
    & skf21("6","5","4","6","3","6","7","1") = "6"
    & skf21("6","5","4","6","3","7","1","1") = "6"
    & skf21("6","5","4","6","3","7","2","1") = "6"
    & skf21("6","5","4","6","3","7","3","1") = "6"
    & skf21("6","5","4","6","3","7","4","1") = "6"
    & skf21("6","5","4","6","3","7","5","1") = "6"
    & skf21("6","5","4","6","3","7","6","1") = "6"
    & skf21("6","5","4","6","3","7","7","1") = "6"
    & skf21("6","5","4","6","4","1","1","1") = "5"
    & skf21("6","5","4","6","4","1","2","1") = "5"
    & skf21("6","5","4","6","4","1","3","1") = "5"
    & skf21("6","5","4","6","4","1","4","1") = "5"
    & skf21("6","5","4","6","4","1","5","1") = "5"
    & skf21("6","5","4","6","4","1","6","1") = "5"
    & skf21("6","5","4","6","4","1","7","1") = "6"
    & skf21("6","5","4","6","4","2","1","1") = "5"
    & skf21("6","5","4","6","4","2","2","1") = "5"
    & skf21("6","5","4","6","4","2","3","1") = "5"
    & skf21("6","5","4","6","4","2","4","1") = "5"
    & skf21("6","5","4","6","4","2","5","1") = "5"
    & skf21("6","5","4","6","4","2","6","1") = "5"
    & skf21("6","5","4","6","4","2","7","1") = "6"
    & skf21("6","5","4","6","4","3","1","1") = "5"
    & skf21("6","5","4","6","4","3","2","1") = "5"
    & skf21("6","5","4","6","4","3","3","1") = "5"
    & skf21("6","5","4","6","4","3","4","1") = "5"
    & skf21("6","5","4","6","4","3","5","1") = "5"
    & skf21("6","5","4","6","4","3","6","1") = "5"
    & skf21("6","5","4","6","4","3","7","1") = "6"
    & skf21("6","5","4","6","4","4","1","1") = "5"
    & skf21("6","5","4","6","4","4","2","1") = "5"
    & skf21("6","5","4","6","4","4","3","1") = "5"
    & skf21("6","5","4","6","4","4","4","1") = "5"
    & skf21("6","5","4","6","4","4","5","1") = "5"
    & skf21("6","5","4","6","4","4","6","1") = "5"
    & skf21("6","5","4","6","4","4","7","1") = "6"
    & skf21("6","5","4","6","4","5","1","1") = "5"
    & skf21("6","5","4","6","4","5","2","1") = "5"
    & skf21("6","5","4","6","4","5","3","1") = "5"
    & skf21("6","5","4","6","4","5","4","1") = "5"
    & skf21("6","5","4","6","4","5","5","1") = "5"
    & skf21("6","5","4","6","4","5","6","1") = "5"
    & skf21("6","5","4","6","4","5","7","1") = "6"
    & skf21("6","5","4","6","4","6","1","1") = "5"
    & skf21("6","5","4","6","4","6","2","1") = "5"
    & skf21("6","5","4","6","4","6","3","1") = "5"
    & skf21("6","5","4","6","4","6","4","1") = "5"
    & skf21("6","5","4","6","4","6","5","1") = "5"
    & skf21("6","5","4","6","4","6","6","1") = "5"
    & skf21("6","5","4","6","4","6","7","1") = "6"
    & skf21("6","5","4","6","4","7","1","1") = "6"
    & skf21("6","5","4","6","4","7","2","1") = "6"
    & skf21("6","5","4","6","4","7","3","1") = "6"
    & skf21("6","5","4","6","4","7","4","1") = "6"
    & skf21("6","5","4","6","4","7","5","1") = "6"
    & skf21("6","5","4","6","4","7","6","1") = "6"
    & skf21("6","5","4","6","4","7","7","1") = "6"
    & skf21("6","5","4","6","5","1","1","1") = "5"
    & skf21("6","5","4","6","5","1","2","1") = "5"
    & skf21("6","5","4","6","5","1","3","1") = "5"
    & skf21("6","5","4","6","5","1","4","1") = "5"
    & skf21("6","5","4","6","5","1","5","1") = "5"
    & skf21("6","5","4","6","5","1","6","1") = "5"
    & skf21("6","5","4","6","5","1","7","1") = "6"
    & skf21("6","5","4","6","5","2","1","1") = "5"
    & skf21("6","5","4","6","5","2","2","1") = "5"
    & skf21("6","5","4","6","5","2","3","1") = "5"
    & skf21("6","5","4","6","5","2","4","1") = "5"
    & skf21("6","5","4","6","5","2","5","1") = "5"
    & skf21("6","5","4","6","5","2","6","1") = "5"
    & skf21("6","5","4","6","5","2","7","1") = "6"
    & skf21("6","5","4","6","5","3","1","1") = "5"
    & skf21("6","5","4","6","5","3","2","1") = "5"
    & skf21("6","5","4","6","5","3","3","1") = "5"
    & skf21("6","5","4","6","5","3","4","1") = "5"
    & skf21("6","5","4","6","5","3","5","1") = "5"
    & skf21("6","5","4","6","5","3","6","1") = "5"
    & skf21("6","5","4","6","5","3","7","1") = "6"
    & skf21("6","5","4","6","5","4","1","1") = "5"
    & skf21("6","5","4","6","5","4","2","1") = "5"
    & skf21("6","5","4","6","5","4","3","1") = "5"
    & skf21("6","5","4","6","5","4","4","1") = "5"
    & skf21("6","5","4","6","5","4","5","1") = "5"
    & skf21("6","5","4","6","5","4","6","1") = "5"
    & skf21("6","5","4","6","5","4","7","1") = "6"
    & skf21("6","5","4","6","5","5","1","1") = "5"
    & skf21("6","5","4","6","5","5","2","1") = "5"
    & skf21("6","5","4","6","5","5","3","1") = "5"
    & skf21("6","5","4","6","5","5","4","1") = "5"
    & skf21("6","5","4","6","5","5","5","1") = "5"
    & skf21("6","5","4","6","5","5","6","1") = "5"
    & skf21("6","5","4","6","5","5","7","1") = "6"
    & skf21("6","5","4","6","5","6","1","1") = "5"
    & skf21("6","5","4","6","5","6","2","1") = "5"
    & skf21("6","5","4","6","5","6","3","1") = "5"
    & skf21("6","5","4","6","5","6","4","1") = "5"
    & skf21("6","5","4","6","5","6","5","1") = "5"
    & skf21("6","5","4","6","5","6","6","1") = "5"
    & skf21("6","5","4","6","5","6","7","1") = "6"
    & skf21("6","5","4","6","5","7","1","1") = "6"
    & skf21("6","5","4","6","5","7","2","1") = "6"
    & skf21("6","5","4","6","5","7","3","1") = "6"
    & skf21("6","5","4","6","5","7","4","1") = "6"
    & skf21("6","5","4","6","5","7","5","1") = "6"
    & skf21("6","5","4","6","5","7","6","1") = "6"
    & skf21("6","5","4","6","5","7","7","1") = "6"
    & skf21("6","5","4","6","6","1","1","1") = "5"
    & skf21("6","5","4","6","6","1","2","1") = "5"
    & skf21("6","5","4","6","6","1","3","1") = "5"
    & skf21("6","5","4","6","6","1","4","1") = "5"
    & skf21("6","5","4","6","6","1","5","1") = "5"
    & skf21("6","5","4","6","6","1","6","1") = "5"
    & skf21("6","5","4","6","6","1","7","1") = "6"
    & skf21("6","5","4","6","6","2","1","1") = "5"
    & skf21("6","5","4","6","6","2","2","1") = "5"
    & skf21("6","5","4","6","6","2","3","1") = "5"
    & skf21("6","5","4","6","6","2","4","1") = "5"
    & skf21("6","5","4","6","6","2","5","1") = "5"
    & skf21("6","5","4","6","6","2","6","1") = "5"
    & skf21("6","5","4","6","6","2","7","1") = "6"
    & skf21("6","5","4","6","6","3","1","1") = "5"
    & skf21("6","5","4","6","6","3","2","1") = "5"
    & skf21("6","5","4","6","6","3","3","1") = "5"
    & skf21("6","5","4","6","6","3","4","1") = "5"
    & skf21("6","5","4","6","6","3","5","1") = "5"
    & skf21("6","5","4","6","6","3","6","1") = "5"
    & skf21("6","5","4","6","6","3","7","1") = "6"
    & skf21("6","5","4","6","6","4","1","1") = "5"
    & skf21("6","5","4","6","6","4","2","1") = "5"
    & skf21("6","5","4","6","6","4","3","1") = "5"
    & skf21("6","5","4","6","6","4","4","1") = "5"
    & skf21("6","5","4","6","6","4","5","1") = "5"
    & skf21("6","5","4","6","6","4","6","1") = "5"
    & skf21("6","5","4","6","6","4","7","1") = "6"
    & skf21("6","5","4","6","6","5","1","1") = "5"
    & skf21("6","5","4","6","6","5","2","1") = "5"
    & skf21("6","5","4","6","6","5","3","1") = "5"
    & skf21("6","5","4","6","6","5","4","1") = "5"
    & skf21("6","5","4","6","6","5","5","1") = "5"
    & skf21("6","5","4","6","6","5","6","1") = "5"
    & skf21("6","5","4","6","6","5","7","1") = "6"
    & skf21("6","5","4","6","6","6","1","1") = "5"
    & skf21("6","5","4","6","6","6","2","1") = "5"
    & skf21("6","5","4","6","6","6","3","1") = "5"
    & skf21("6","5","4","6","6","6","4","1") = "5"
    & skf21("6","5","4","6","6","6","5","1") = "5"
    & skf21("6","5","4","6","6","6","6","1") = "5"
    & skf21("6","5","4","6","6","6","7","1") = "6"
    & skf21("6","5","4","6","6","7","1","1") = "6"
    & skf21("6","5","4","6","6","7","2","1") = "6"
    & skf21("6","5","4","6","6","7","3","1") = "6"
    & skf21("6","5","4","6","6","7","4","1") = "6"
    & skf21("6","5","4","6","6","7","5","1") = "6"
    & skf21("6","5","4","6","6","7","6","1") = "6"
    & skf21("6","5","4","6","6","7","7","1") = "6"
    & skf21("6","5","4","6","7","1","1","1") = "6"
    & skf21("6","5","4","6","7","1","2","1") = "6"
    & skf21("6","5","4","6","7","1","3","1") = "6"
    & skf21("6","5","4","6","7","1","4","1") = "6"
    & skf21("6","5","4","6","7","1","5","1") = "6"
    & skf21("6","5","4","6","7","1","6","1") = "6"
    & skf21("6","5","4","6","7","1","7","1") = "6"
    & skf21("6","5","4","6","7","2","1","1") = "6"
    & skf21("6","5","4","6","7","2","2","1") = "6"
    & skf21("6","5","4","6","7","2","3","1") = "6"
    & skf21("6","5","4","6","7","2","4","1") = "6"
    & skf21("6","5","4","6","7","2","5","1") = "6"
    & skf21("6","5","4","6","7","2","6","1") = "6"
    & skf21("6","5","4","6","7","2","7","1") = "6"
    & skf21("6","5","4","6","7","3","1","1") = "6"
    & skf21("6","5","4","6","7","3","2","1") = "6"
    & skf21("6","5","4","6","7","3","3","1") = "6"
    & skf21("6","5","4","6","7","3","4","1") = "6"
    & skf21("6","5","4","6","7","3","5","1") = "6"
    & skf21("6","5","4","6","7","3","6","1") = "6"
    & skf21("6","5","4","6","7","3","7","1") = "6"
    & skf21("6","5","4","6","7","4","1","1") = "6"
    & skf21("6","5","4","6","7","4","2","1") = "6"
    & skf21("6","5","4","6","7","4","3","1") = "6"
    & skf21("6","5","4","6","7","4","4","1") = "6"
    & skf21("6","5","4","6","7","4","5","1") = "6"
    & skf21("6","5","4","6","7","4","6","1") = "6"
    & skf21("6","5","4","6","7","4","7","1") = "6"
    & skf21("6","5","4","6","7","5","1","1") = "6"
    & skf21("6","5","4","6","7","5","2","1") = "6"
    & skf21("6","5","4","6","7","5","3","1") = "6"
    & skf21("6","5","4","6","7","5","4","1") = "6"
    & skf21("6","5","4","6","7","5","5","1") = "6"
    & skf21("6","5","4","6","7","5","6","1") = "6"
    & skf21("6","5","4","6","7","5","7","1") = "6"
    & skf21("6","5","4","6","7","6","1","1") = "6"
    & skf21("6","5","4","6","7","6","2","1") = "6"
    & skf21("6","5","4","6","7","6","3","1") = "6"
    & skf21("6","5","4","6","7","6","4","1") = "6"
    & skf21("6","5","4","6","7","6","5","1") = "6"
    & skf21("6","5","4","6","7","6","6","1") = "6"
    & skf21("6","5","4","6","7","6","7","1") = "6"
    & skf21("6","5","4","6","7","7","1","1") = "6"
    & skf21("6","5","4","6","7","7","2","1") = "6"
    & skf21("6","5","4","6","7","7","3","1") = "6"
    & skf21("6","5","4","6","7","7","4","1") = "6"
    & skf21("6","5","4","6","7","7","5","1") = "6"
    & skf21("6","5","4","6","7","7","6","1") = "6"
    & skf21("6","5","4","6","7","7","7","1") = "6"
    & skf21("6","5","4","7","1","1","1","1") = "6"
    & skf21("6","5","4","7","1","1","2","1") = "6"
    & skf21("6","5","4","7","1","1","3","1") = "6"
    & skf21("6","5","4","7","1","1","4","1") = "6"
    & skf21("6","5","4","7","1","1","5","1") = "6"
    & skf21("6","5","4","7","1","1","6","1") = "6"
    & skf21("6","5","4","7","1","1","7","1") = "6"
    & skf21("6","5","4","7","1","2","1","1") = "6"
    & skf21("6","5","4","7","1","2","2","1") = "6"
    & skf21("6","5","4","7","1","2","3","1") = "6"
    & skf21("6","5","4","7","1","2","4","1") = "6"
    & skf21("6","5","4","7","1","2","5","1") = "6"
    & skf21("6","5","4","7","1","2","6","1") = "6"
    & skf21("6","5","4","7","1","2","7","1") = "6"
    & skf21("6","5","4","7","1","3","1","1") = "6"
    & skf21("6","5","4","7","1","3","2","1") = "6"
    & skf21("6","5","4","7","1","3","3","1") = "6"
    & skf21("6","5","4","7","1","3","4","1") = "6"
    & skf21("6","5","4","7","1","3","5","1") = "6"
    & skf21("6","5","4","7","1","3","6","1") = "6"
    & skf21("6","5","4","7","1","3","7","1") = "6"
    & skf21("6","5","4","7","1","4","1","1") = "6"
    & skf21("6","5","4","7","1","4","2","1") = "6"
    & skf21("6","5","4","7","1","4","3","1") = "6"
    & skf21("6","5","4","7","1","4","4","1") = "6"
    & skf21("6","5","4","7","1","4","5","1") = "6"
    & skf21("6","5","4","7","1","4","6","1") = "6"
    & skf21("6","5","4","7","1","4","7","1") = "6"
    & skf21("6","5","4","7","1","5","1","1") = "6"
    & skf21("6","5","4","7","1","5","2","1") = "6"
    & skf21("6","5","4","7","1","5","3","1") = "6"
    & skf21("6","5","4","7","1","5","4","1") = "6"
    & skf21("6","5","4","7","1","5","5","1") = "6"
    & skf21("6","5","4","7","1","5","6","1") = "6"
    & skf21("6","5","4","7","1","5","7","1") = "6"
    & skf21("6","5","4","7","1","6","1","1") = "6"
    & skf21("6","5","4","7","1","6","2","1") = "6"
    & skf21("6","5","4","7","1","6","3","1") = "6"
    & skf21("6","5","4","7","1","6","4","1") = "6"
    & skf21("6","5","4","7","1","6","5","1") = "6"
    & skf21("6","5","4","7","1","6","6","1") = "6"
    & skf21("6","5","4","7","1","6","7","1") = "6"
    & skf21("6","5","4","7","1","7","1","1") = "6"
    & skf21("6","5","4","7","1","7","2","1") = "6"
    & skf21("6","5","4","7","1","7","3","1") = "6"
    & skf21("6","5","4","7","1","7","4","1") = "6"
    & skf21("6","5","4","7","1","7","5","1") = "6"
    & skf21("6","5","4","7","1","7","6","1") = "6"
    & skf21("6","5","4","7","1","7","7","1") = "6"
    & skf21("6","5","4","7","2","1","1","1") = "6"
    & skf21("6","5","4","7","2","1","2","1") = "6"
    & skf21("6","5","4","7","2","1","3","1") = "6"
    & skf21("6","5","4","7","2","1","4","1") = "6"
    & skf21("6","5","4","7","2","1","5","1") = "6"
    & skf21("6","5","4","7","2","1","6","1") = "6"
    & skf21("6","5","4","7","2","1","7","1") = "6"
    & skf21("6","5","4","7","2","2","1","1") = "6"
    & skf21("6","5","4","7","2","2","2","1") = "6"
    & skf21("6","5","4","7","2","2","3","1") = "6"
    & skf21("6","5","4","7","2","2","4","1") = "6"
    & skf21("6","5","4","7","2","2","5","1") = "6"
    & skf21("6","5","4","7","2","2","6","1") = "6"
    & skf21("6","5","4","7","2","2","7","1") = "6"
    & skf21("6","5","4","7","2","3","1","1") = "6"
    & skf21("6","5","4","7","2","3","2","1") = "6"
    & skf21("6","5","4","7","2","3","3","1") = "6"
    & skf21("6","5","4","7","2","3","4","1") = "6"
    & skf21("6","5","4","7","2","3","5","1") = "6"
    & skf21("6","5","4","7","2","3","6","1") = "6"
    & skf21("6","5","4","7","2","3","7","1") = "6"
    & skf21("6","5","4","7","2","4","1","1") = "6"
    & skf21("6","5","4","7","2","4","2","1") = "6"
    & skf21("6","5","4","7","2","4","3","1") = "6"
    & skf21("6","5","4","7","2","4","4","1") = "6"
    & skf21("6","5","4","7","2","4","5","1") = "6"
    & skf21("6","5","4","7","2","4","6","1") = "6"
    & skf21("6","5","4","7","2","4","7","1") = "6"
    & skf21("6","5","4","7","2","5","1","1") = "6"
    & skf21("6","5","4","7","2","5","2","1") = "6"
    & skf21("6","5","4","7","2","5","3","1") = "6"
    & skf21("6","5","4","7","2","5","4","1") = "6"
    & skf21("6","5","4","7","2","5","5","1") = "6"
    & skf21("6","5","4","7","2","5","6","1") = "6"
    & skf21("6","5","4","7","2","5","7","1") = "6"
    & skf21("6","5","4","7","2","6","1","1") = "6"
    & skf21("6","5","4","7","2","6","2","1") = "6"
    & skf21("6","5","4","7","2","6","3","1") = "6"
    & skf21("6","5","4","7","2","6","4","1") = "6"
    & skf21("6","5","4","7","2","6","5","1") = "6"
    & skf21("6","5","4","7","2","6","6","1") = "6"
    & skf21("6","5","4","7","2","6","7","1") = "6"
    & skf21("6","5","4","7","2","7","1","1") = "6"
    & skf21("6","5","4","7","2","7","2","1") = "6"
    & skf21("6","5","4","7","2","7","3","1") = "6"
    & skf21("6","5","4","7","2","7","4","1") = "6"
    & skf21("6","5","4","7","2","7","5","1") = "6"
    & skf21("6","5","4","7","2","7","6","1") = "6"
    & skf21("6","5","4","7","2","7","7","1") = "6"
    & skf21("6","5","4","7","3","1","1","1") = "6"
    & skf21("6","5","4","7","3","1","2","1") = "6"
    & skf21("6","5","4","7","3","1","3","1") = "6"
    & skf21("6","5","4","7","3","1","4","1") = "6"
    & skf21("6","5","4","7","3","1","5","1") = "6"
    & skf21("6","5","4","7","3","1","6","1") = "6"
    & skf21("6","5","4","7","3","1","7","1") = "6"
    & skf21("6","5","4","7","3","2","1","1") = "6"
    & skf21("6","5","4","7","3","2","2","1") = "6"
    & skf21("6","5","4","7","3","2","3","1") = "6"
    & skf21("6","5","4","7","3","2","4","1") = "6"
    & skf21("6","5","4","7","3","2","5","1") = "6"
    & skf21("6","5","4","7","3","2","6","1") = "6"
    & skf21("6","5","4","7","3","2","7","1") = "6"
    & skf21("6","5","4","7","3","3","1","1") = "6"
    & skf21("6","5","4","7","3","3","2","1") = "6"
    & skf21("6","5","4","7","3","3","3","1") = "6"
    & skf21("6","5","4","7","3","3","4","1") = "6"
    & skf21("6","5","4","7","3","3","5","1") = "6"
    & skf21("6","5","4","7","3","3","6","1") = "6"
    & skf21("6","5","4","7","3","3","7","1") = "6"
    & skf21("6","5","4","7","3","4","1","1") = "6"
    & skf21("6","5","4","7","3","4","2","1") = "6"
    & skf21("6","5","4","7","3","4","3","1") = "6"
    & skf21("6","5","4","7","3","4","4","1") = "6"
    & skf21("6","5","4","7","3","4","5","1") = "6"
    & skf21("6","5","4","7","3","4","6","1") = "6"
    & skf21("6","5","4","7","3","4","7","1") = "6"
    & skf21("6","5","4","7","3","5","1","1") = "6"
    & skf21("6","5","4","7","3","5","2","1") = "6"
    & skf21("6","5","4","7","3","5","3","1") = "6"
    & skf21("6","5","4","7","3","5","4","1") = "6"
    & skf21("6","5","4","7","3","5","5","1") = "6"
    & skf21("6","5","4","7","3","5","6","1") = "6"
    & skf21("6","5","4","7","3","5","7","1") = "6"
    & skf21("6","5","4","7","3","6","1","1") = "6"
    & skf21("6","5","4","7","3","6","2","1") = "6"
    & skf21("6","5","4","7","3","6","3","1") = "6"
    & skf21("6","5","4","7","3","6","4","1") = "6"
    & skf21("6","5","4","7","3","6","5","1") = "6"
    & skf21("6","5","4","7","3","6","6","1") = "6"
    & skf21("6","5","4","7","3","6","7","1") = "6"
    & skf21("6","5","4","7","3","7","1","1") = "6"
    & skf21("6","5","4","7","3","7","2","1") = "6"
    & skf21("6","5","4","7","3","7","3","1") = "6"
    & skf21("6","5","4","7","3","7","4","1") = "6"
    & skf21("6","5","4","7","3","7","5","1") = "6"
    & skf21("6","5","4","7","3","7","6","1") = "6"
    & skf21("6","5","4","7","3","7","7","1") = "6"
    & skf21("6","5","4","7","4","1","1","1") = "6"
    & skf21("6","5","4","7","4","1","2","1") = "6"
    & skf21("6","5","4","7","4","1","3","1") = "6"
    & skf21("6","5","4","7","4","1","4","1") = "6"
    & skf21("6","5","4","7","4","1","5","1") = "6"
    & skf21("6","5","4","7","4","1","6","1") = "6"
    & skf21("6","5","4","7","4","1","7","1") = "6"
    & skf21("6","5","4","7","4","2","1","1") = "6"
    & skf21("6","5","4","7","4","2","2","1") = "6"
    & skf21("6","5","4","7","4","2","3","1") = "6"
    & skf21("6","5","4","7","4","2","4","1") = "6"
    & skf21("6","5","4","7","4","2","5","1") = "6"
    & skf21("6","5","4","7","4","2","6","1") = "6"
    & skf21("6","5","4","7","4","2","7","1") = "6"
    & skf21("6","5","4","7","4","3","1","1") = "6"
    & skf21("6","5","4","7","4","3","2","1") = "6"
    & skf21("6","5","4","7","4","3","3","1") = "6"
    & skf21("6","5","4","7","4","3","4","1") = "6"
    & skf21("6","5","4","7","4","3","5","1") = "6"
    & skf21("6","5","4","7","4","3","6","1") = "6"
    & skf21("6","5","4","7","4","3","7","1") = "6"
    & skf21("6","5","4","7","4","4","1","1") = "6"
    & skf21("6","5","4","7","4","4","2","1") = "6"
    & skf21("6","5","4","7","4","4","3","1") = "6"
    & skf21("6","5","4","7","4","4","4","1") = "6"
    & skf21("6","5","4","7","4","4","5","1") = "6"
    & skf21("6","5","4","7","4","4","6","1") = "6"
    & skf21("6","5","4","7","4","4","7","1") = "6"
    & skf21("6","5","4","7","4","5","1","1") = "6"
    & skf21("6","5","4","7","4","5","2","1") = "6"
    & skf21("6","5","4","7","4","5","3","1") = "6"
    & skf21("6","5","4","7","4","5","4","1") = "6"
    & skf21("6","5","4","7","4","5","5","1") = "6"
    & skf21("6","5","4","7","4","5","6","1") = "6"
    & skf21("6","5","4","7","4","5","7","1") = "6"
    & skf21("6","5","4","7","4","6","1","1") = "6"
    & skf21("6","5","4","7","4","6","2","1") = "6"
    & skf21("6","5","4","7","4","6","3","1") = "6"
    & skf21("6","5","4","7","4","6","4","1") = "6"
    & skf21("6","5","4","7","4","6","5","1") = "6"
    & skf21("6","5","4","7","4","6","6","1") = "6"
    & skf21("6","5","4","7","4","6","7","1") = "6"
    & skf21("6","5","4","7","4","7","1","1") = "6"
    & skf21("6","5","4","7","4","7","2","1") = "6"
    & skf21("6","5","4","7","4","7","3","1") = "6"
    & skf21("6","5","4","7","4","7","4","1") = "6"
    & skf21("6","5","4","7","4","7","5","1") = "6"
    & skf21("6","5","4","7","4","7","6","1") = "6"
    & skf21("6","5","4","7","4","7","7","1") = "6"
    & skf21("6","5","4","7","5","1","1","1") = "6"
    & skf21("6","5","4","7","5","1","2","1") = "6"
    & skf21("6","5","4","7","5","1","3","1") = "6"
    & skf21("6","5","4","7","5","1","4","1") = "6"
    & skf21("6","5","4","7","5","1","5","1") = "6"
    & skf21("6","5","4","7","5","1","6","1") = "6"
    & skf21("6","5","4","7","5","1","7","1") = "6"
    & skf21("6","5","4","7","5","2","1","1") = "6"
    & skf21("6","5","4","7","5","2","2","1") = "6"
    & skf21("6","5","4","7","5","2","3","1") = "6"
    & skf21("6","5","4","7","5","2","4","1") = "6"
    & skf21("6","5","4","7","5","2","5","1") = "6"
    & skf21("6","5","4","7","5","2","6","1") = "6"
    & skf21("6","5","4","7","5","2","7","1") = "6"
    & skf21("6","5","4","7","5","3","1","1") = "6"
    & skf21("6","5","4","7","5","3","2","1") = "6"
    & skf21("6","5","4","7","5","3","3","1") = "6"
    & skf21("6","5","4","7","5","3","4","1") = "6"
    & skf21("6","5","4","7","5","3","5","1") = "6"
    & skf21("6","5","4","7","5","3","6","1") = "6"
    & skf21("6","5","4","7","5","3","7","1") = "6"
    & skf21("6","5","4","7","5","4","1","1") = "6"
    & skf21("6","5","4","7","5","4","2","1") = "6"
    & skf21("6","5","4","7","5","4","3","1") = "6"
    & skf21("6","5","4","7","5","4","4","1") = "6"
    & skf21("6","5","4","7","5","4","5","1") = "6"
    & skf21("6","5","4","7","5","4","6","1") = "6"
    & skf21("6","5","4","7","5","4","7","1") = "6"
    & skf21("6","5","4","7","5","5","1","1") = "6"
    & skf21("6","5","4","7","5","5","2","1") = "6"
    & skf21("6","5","4","7","5","5","3","1") = "6"
    & skf21("6","5","4","7","5","5","4","1") = "6"
    & skf21("6","5","4","7","5","5","5","1") = "6"
    & skf21("6","5","4","7","5","5","6","1") = "6"
    & skf21("6","5","4","7","5","5","7","1") = "6"
    & skf21("6","5","4","7","5","6","1","1") = "6"
    & skf21("6","5","4","7","5","6","2","1") = "6"
    & skf21("6","5","4","7","5","6","3","1") = "6"
    & skf21("6","5","4","7","5","6","4","1") = "6"
    & skf21("6","5","4","7","5","6","5","1") = "6"
    & skf21("6","5","4","7","5","6","6","1") = "6"
    & skf21("6","5","4","7","5","6","7","1") = "6"
    & skf21("6","5","4","7","5","7","1","1") = "6"
    & skf21("6","5","4","7","5","7","2","1") = "6"
    & skf21("6","5","4","7","5","7","3","1") = "6"
    & skf21("6","5","4","7","5","7","4","1") = "6"
    & skf21("6","5","4","7","5","7","5","1") = "6"
    & skf21("6","5","4","7","5","7","6","1") = "6"
    & skf21("6","5","4","7","5","7","7","1") = "6"
    & skf21("6","5","4","7","6","1","1","1") = "6"
    & skf21("6","5","4","7","6","1","2","1") = "6"
    & skf21("6","5","4","7","6","1","3","1") = "6"
    & skf21("6","5","4","7","6","1","4","1") = "6"
    & skf21("6","5","4","7","6","1","5","1") = "6"
    & skf21("6","5","4","7","6","1","6","1") = "6"
    & skf21("6","5","4","7","6","1","7","1") = "6"
    & skf21("6","5","4","7","6","2","1","1") = "6"
    & skf21("6","5","4","7","6","2","2","1") = "6"
    & skf21("6","5","4","7","6","2","3","1") = "6"
    & skf21("6","5","4","7","6","2","4","1") = "6"
    & skf21("6","5","4","7","6","2","5","1") = "6"
    & skf21("6","5","4","7","6","2","6","1") = "6"
    & skf21("6","5","4","7","6","2","7","1") = "6"
    & skf21("6","5","4","7","6","3","1","1") = "6"
    & skf21("6","5","4","7","6","3","2","1") = "6"
    & skf21("6","5","4","7","6","3","3","1") = "6"
    & skf21("6","5","4","7","6","3","4","1") = "6"
    & skf21("6","5","4","7","6","3","5","1") = "6"
    & skf21("6","5","4","7","6","3","6","1") = "6"
    & skf21("6","5","4","7","6","3","7","1") = "6"
    & skf21("6","5","4","7","6","4","1","1") = "6"
    & skf21("6","5","4","7","6","4","2","1") = "6"
    & skf21("6","5","4","7","6","4","3","1") = "6"
    & skf21("6","5","4","7","6","4","4","1") = "6"
    & skf21("6","5","4","7","6","4","5","1") = "6"
    & skf21("6","5","4","7","6","4","6","1") = "6"
    & skf21("6","5","4","7","6","4","7","1") = "6"
    & skf21("6","5","4","7","6","5","1","1") = "6"
    & skf21("6","5","4","7","6","5","2","1") = "6"
    & skf21("6","5","4","7","6","5","3","1") = "6"
    & skf21("6","5","4","7","6","5","4","1") = "6"
    & skf21("6","5","4","7","6","5","5","1") = "6"
    & skf21("6","5","4","7","6","5","6","1") = "6"
    & skf21("6","5","4","7","6","5","7","1") = "6"
    & skf21("6","5","4","7","6","6","1","1") = "6"
    & skf21("6","5","4","7","6","6","2","1") = "6"
    & skf21("6","5","4","7","6","6","3","1") = "6"
    & skf21("6","5","4","7","6","6","4","1") = "6"
    & skf21("6","5","4","7","6","6","5","1") = "6"
    & skf21("6","5","4","7","6","6","6","1") = "6"
    & skf21("6","5","4","7","6","6","7","1") = "6"
    & skf21("6","5","4","7","6","7","1","1") = "6"
    & skf21("6","5","4","7","6","7","2","1") = "6"
    & skf21("6","5","4","7","6","7","3","1") = "6"
    & skf21("6","5","4","7","6","7","4","1") = "6"
    & skf21("6","5","4","7","6","7","5","1") = "6"
    & skf21("6","5","4","7","6","7","6","1") = "6"
    & skf21("6","5","4","7","6","7","7","1") = "6"
    & skf21("6","5","4","7","7","1","1","1") = "6"
    & skf21("6","5","4","7","7","1","2","1") = "6"
    & skf21("6","5","4","7","7","1","3","1") = "6"
    & skf21("6","5","4","7","7","1","4","1") = "6"
    & skf21("6","5","4","7","7","1","5","1") = "6"
    & skf21("6","5","4","7","7","1","6","1") = "6"
    & skf21("6","5","4","7","7","1","7","1") = "6"
    & skf21("6","5","4","7","7","2","1","1") = "6"
    & skf21("6","5","4","7","7","2","2","1") = "6"
    & skf21("6","5","4","7","7","2","3","1") = "6"
    & skf21("6","5","4","7","7","2","4","1") = "6"
    & skf21("6","5","4","7","7","2","5","1") = "6"
    & skf21("6","5","4","7","7","2","6","1") = "6"
    & skf21("6","5","4","7","7","2","7","1") = "6"
    & skf21("6","5","4","7","7","3","1","1") = "6"
    & skf21("6","5","4","7","7","3","2","1") = "6"
    & skf21("6","5","4","7","7","3","3","1") = "6"
    & skf21("6","5","4","7","7","3","4","1") = "6"
    & skf21("6","5","4","7","7","3","5","1") = "6"
    & skf21("6","5","4","7","7","3","6","1") = "6"
    & skf21("6","5","4","7","7","3","7","1") = "6"
    & skf21("6","5","4","7","7","4","1","1") = "6"
    & skf21("6","5","4","7","7","4","2","1") = "6"
    & skf21("6","5","4","7","7","4","3","1") = "6"
    & skf21("6","5","4","7","7","4","4","1") = "6"
    & skf21("6","5","4","7","7","4","5","1") = "6"
    & skf21("6","5","4","7","7","4","6","1") = "6"
    & skf21("6","5","4","7","7","4","7","1") = "6"
    & skf21("6","5","4","7","7","5","1","1") = "6"
    & skf21("6","5","4","7","7","5","2","1") = "6"
    & skf21("6","5","4","7","7","5","3","1") = "6"
    & skf21("6","5","4","7","7","5","4","1") = "6"
    & skf21("6","5","4","7","7","5","5","1") = "6"
    & skf21("6","5","4","7","7","5","6","1") = "6"
    & skf21("6","5","4","7","7","5","7","1") = "6"
    & skf21("6","5","4","7","7","6","1","1") = "6"
    & skf21("6","5","4","7","7","6","2","1") = "6"
    & skf21("6","5","4","7","7","6","3","1") = "6"
    & skf21("6","5","4","7","7","6","4","1") = "6"
    & skf21("6","5","4","7","7","6","5","1") = "6"
    & skf21("6","5","4","7","7","6","6","1") = "6"
    & skf21("6","5","4","7","7","6","7","1") = "6"
    & skf21("6","5","4","7","7","7","1","1") = "6"
    & skf21("6","5","4","7","7","7","2","1") = "6"
    & skf21("6","5","4","7","7","7","3","1") = "6"
    & skf21("6","5","4","7","7","7","4","1") = "6"
    & skf21("6","5","4","7","7","7","5","1") = "6"
    & skf21("6","5","4","7","7","7","6","1") = "6"
    & skf21("6","5","4","7","7","7","7","1") = "6"
    & skf21("6","5","5","1","1","1","1","1") = "5"
    & skf21("6","5","5","1","1","1","2","1") = "5"
    & skf21("6","5","5","1","1","1","3","1") = "5"
    & skf21("6","5","5","1","1","1","4","1") = "5"
    & skf21("6","5","5","1","1","1","5","1") = "5"
    & skf21("6","5","5","1","1","1","6","1") = "5"
    & skf21("6","5","5","1","1","1","7","1") = "6"
    & skf21("6","5","5","1","1","2","1","1") = "5"
    & skf21("6","5","5","1","1","2","2","1") = "5"
    & skf21("6","5","5","1","1","2","3","1") = "5"
    & skf21("6","5","5","1","1","2","4","1") = "5"
    & skf21("6","5","5","1","1","2","5","1") = "5"
    & skf21("6","5","5","1","1","2","6","1") = "5"
    & skf21("6","5","5","1","1","2","7","1") = "6"
    & skf21("6","5","5","1","1","3","1","1") = "5"
    & skf21("6","5","5","1","1","3","2","1") = "5"
    & skf21("6","5","5","1","1","3","3","1") = "5"
    & skf21("6","5","5","1","1","3","4","1") = "5"
    & skf21("6","5","5","1","1","3","5","1") = "5"
    & skf21("6","5","5","1","1","3","6","1") = "5"
    & skf21("6","5","5","1","1","3","7","1") = "6"
    & skf21("6","5","5","1","1","4","1","1") = "5"
    & skf21("6","5","5","1","1","4","2","1") = "5"
    & skf21("6","5","5","1","1","4","3","1") = "5"
    & skf21("6","5","5","1","1","4","4","1") = "5"
    & skf21("6","5","5","1","1","4","5","1") = "5"
    & skf21("6","5","5","1","1","4","6","1") = "5"
    & skf21("6","5","5","1","1","4","7","1") = "6"
    & skf21("6","5","5","1","1","5","1","1") = "5"
    & skf21("6","5","5","1","1","5","2","1") = "5"
    & skf21("6","5","5","1","1","5","3","1") = "5"
    & skf21("6","5","5","1","1","5","4","1") = "5"
    & skf21("6","5","5","1","1","5","5","1") = "5"
    & skf21("6","5","5","1","1","5","6","1") = "5"
    & skf21("6","5","5","1","1","5","7","1") = "6"
    & skf21("6","5","5","1","1","6","1","1") = "5"
    & skf21("6","5","5","1","1","6","2","1") = "5"
    & skf21("6","5","5","1","1","6","3","1") = "5"
    & skf21("6","5","5","1","1","6","4","1") = "5"
    & skf21("6","5","5","1","1","6","5","1") = "5"
    & skf21("6","5","5","1","1","6","6","1") = "5"
    & skf21("6","5","5","1","1","6","7","1") = "6"
    & skf21("6","5","5","1","1","7","1","1") = "6"
    & skf21("6","5","5","1","1","7","2","1") = "6"
    & skf21("6","5","5","1","1","7","3","1") = "6"
    & skf21("6","5","5","1","1","7","4","1") = "6"
    & skf21("6","5","5","1","1","7","5","1") = "6"
    & skf21("6","5","5","1","1","7","6","1") = "6"
    & skf21("6","5","5","1","1","7","7","1") = "6"
    & skf21("6","5","5","1","2","1","1","1") = "5"
    & skf21("6","5","5","1","2","1","2","1") = "5"
    & skf21("6","5","5","1","2","1","3","1") = "5"
    & skf21("6","5","5","1","2","1","4","1") = "5"
    & skf21("6","5","5","1","2","1","5","1") = "5"
    & skf21("6","5","5","1","2","1","6","1") = "5"
    & skf21("6","5","5","1","2","1","7","1") = "6"
    & skf21("6","5","5","1","2","2","1","1") = "5"
    & skf21("6","5","5","1","2","2","2","1") = "5"
    & skf21("6","5","5","1","2","2","3","1") = "5"
    & skf21("6","5","5","1","2","2","4","1") = "5"
    & skf21("6","5","5","1","2","2","5","1") = "5"
    & skf21("6","5","5","1","2","2","6","1") = "5"
    & skf21("6","5","5","1","2","2","7","1") = "6"
    & skf21("6","5","5","1","2","3","1","1") = "5"
    & skf21("6","5","5","1","2","3","2","1") = "5"
    & skf21("6","5","5","1","2","3","3","1") = "5"
    & skf21("6","5","5","1","2","3","4","1") = "5"
    & skf21("6","5","5","1","2","3","5","1") = "5"
    & skf21("6","5","5","1","2","3","6","1") = "5"
    & skf21("6","5","5","1","2","3","7","1") = "6"
    & skf21("6","5","5","1","2","4","1","1") = "5"
    & skf21("6","5","5","1","2","4","2","1") = "5"
    & skf21("6","5","5","1","2","4","3","1") = "5"
    & skf21("6","5","5","1","2","4","4","1") = "5"
    & skf21("6","5","5","1","2","4","5","1") = "5"
    & skf21("6","5","5","1","2","4","6","1") = "5"
    & skf21("6","5","5","1","2","4","7","1") = "6"
    & skf21("6","5","5","1","2","5","1","1") = "5"
    & skf21("6","5","5","1","2","5","2","1") = "5"
    & skf21("6","5","5","1","2","5","3","1") = "5"
    & skf21("6","5","5","1","2","5","4","1") = "5"
    & skf21("6","5","5","1","2","5","5","1") = "5"
    & skf21("6","5","5","1","2","5","6","1") = "5"
    & skf21("6","5","5","1","2","5","7","1") = "6"
    & skf21("6","5","5","1","2","6","1","1") = "5"
    & skf21("6","5","5","1","2","6","2","1") = "5"
    & skf21("6","5","5","1","2","6","3","1") = "5"
    & skf21("6","5","5","1","2","6","4","1") = "5"
    & skf21("6","5","5","1","2","6","5","1") = "5"
    & skf21("6","5","5","1","2","6","6","1") = "5"
    & skf21("6","5","5","1","2","6","7","1") = "6"
    & skf21("6","5","5","1","2","7","1","1") = "6"
    & skf21("6","5","5","1","2","7","2","1") = "6"
    & skf21("6","5","5","1","2","7","3","1") = "6"
    & skf21("6","5","5","1","2","7","4","1") = "6"
    & skf21("6","5","5","1","2","7","5","1") = "6"
    & skf21("6","5","5","1","2","7","6","1") = "6"
    & skf21("6","5","5","1","2","7","7","1") = "6"
    & skf21("6","5","5","1","3","1","1","1") = "5"
    & skf21("6","5","5","1","3","1","2","1") = "5"
    & skf21("6","5","5","1","3","1","3","1") = "5"
    & skf21("6","5","5","1","3","1","4","1") = "5"
    & skf21("6","5","5","1","3","1","5","1") = "5"
    & skf21("6","5","5","1","3","1","6","1") = "5"
    & skf21("6","5","5","1","3","1","7","1") = "6"
    & skf21("6","5","5","1","3","2","1","1") = "5"
    & skf21("6","5","5","1","3","2","2","1") = "5"
    & skf21("6","5","5","1","3","2","3","1") = "5"
    & skf21("6","5","5","1","3","2","4","1") = "5"
    & skf21("6","5","5","1","3","2","5","1") = "5"
    & skf21("6","5","5","1","3","2","6","1") = "5"
    & skf21("6","5","5","1","3","2","7","1") = "6"
    & skf21("6","5","5","1","3","3","1","1") = "5"
    & skf21("6","5","5","1","3","3","2","1") = "5"
    & skf21("6","5","5","1","3","3","3","1") = "5"
    & skf21("6","5","5","1","3","3","4","1") = "5"
    & skf21("6","5","5","1","3","3","5","1") = "5"
    & skf21("6","5","5","1","3","3","6","1") = "5"
    & skf21("6","5","5","1","3","3","7","1") = "6"
    & skf21("6","5","5","1","3","4","1","1") = "5"
    & skf21("6","5","5","1","3","4","2","1") = "5"
    & skf21("6","5","5","1","3","4","3","1") = "5"
    & skf21("6","5","5","1","3","4","4","1") = "5"
    & skf21("6","5","5","1","3","4","5","1") = "5"
    & skf21("6","5","5","1","3","4","6","1") = "5"
    & skf21("6","5","5","1","3","4","7","1") = "6"
    & skf21("6","5","5","1","3","5","1","1") = "5"
    & skf21("6","5","5","1","3","5","2","1") = "5"
    & skf21("6","5","5","1","3","5","3","1") = "5"
    & skf21("6","5","5","1","3","5","4","1") = "5"
    & skf21("6","5","5","1","3","5","5","1") = "5"
    & skf21("6","5","5","1","3","5","6","1") = "5"
    & skf21("6","5","5","1","3","5","7","1") = "6"
    & skf21("6","5","5","1","3","6","1","1") = "5"
    & skf21("6","5","5","1","3","6","2","1") = "5"
    & skf21("6","5","5","1","3","6","3","1") = "5"
    & skf21("6","5","5","1","3","6","4","1") = "5"
    & skf21("6","5","5","1","3","6","5","1") = "5"
    & skf21("6","5","5","1","3","6","6","1") = "5"
    & skf21("6","5","5","1","3","6","7","1") = "6"
    & skf21("6","5","5","1","3","7","1","1") = "6"
    & skf21("6","5","5","1","3","7","2","1") = "6"
    & skf21("6","5","5","1","3","7","3","1") = "6"
    & skf21("6","5","5","1","3","7","4","1") = "6"
    & skf21("6","5","5","1","3","7","5","1") = "6"
    & skf21("6","5","5","1","3","7","6","1") = "6"
    & skf21("6","5","5","1","3","7","7","1") = "6"
    & skf21("6","5","5","1","4","1","1","1") = "5"
    & skf21("6","5","5","1","4","1","2","1") = "5"
    & skf21("6","5","5","1","4","1","3","1") = "5"
    & skf21("6","5","5","1","4","1","4","1") = "5"
    & skf21("6","5","5","1","4","1","5","1") = "5"
    & skf21("6","5","5","1","4","1","6","1") = "5"
    & skf21("6","5","5","1","4","1","7","1") = "6"
    & skf21("6","5","5","1","4","2","1","1") = "5"
    & skf21("6","5","5","1","4","2","2","1") = "5"
    & skf21("6","5","5","1","4","2","3","1") = "5"
    & skf21("6","5","5","1","4","2","4","1") = "5"
    & skf21("6","5","5","1","4","2","5","1") = "5"
    & skf21("6","5","5","1","4","2","6","1") = "5"
    & skf21("6","5","5","1","4","2","7","1") = "6"
    & skf21("6","5","5","1","4","3","1","1") = "5"
    & skf21("6","5","5","1","4","3","2","1") = "5"
    & skf21("6","5","5","1","4","3","3","1") = "5"
    & skf21("6","5","5","1","4","3","4","1") = "5"
    & skf21("6","5","5","1","4","3","5","1") = "5"
    & skf21("6","5","5","1","4","3","6","1") = "5"
    & skf21("6","5","5","1","4","3","7","1") = "6"
    & skf21("6","5","5","1","4","4","1","1") = "5"
    & skf21("6","5","5","1","4","4","2","1") = "5"
    & skf21("6","5","5","1","4","4","3","1") = "5"
    & skf21("6","5","5","1","4","4","4","1") = "5"
    & skf21("6","5","5","1","4","4","5","1") = "5"
    & skf21("6","5","5","1","4","4","6","1") = "5"
    & skf21("6","5","5","1","4","4","7","1") = "6"
    & skf21("6","5","5","1","4","5","1","1") = "5"
    & skf21("6","5","5","1","4","5","2","1") = "5"
    & skf21("6","5","5","1","4","5","3","1") = "5"
    & skf21("6","5","5","1","4","5","4","1") = "5"
    & skf21("6","5","5","1","4","5","5","1") = "5"
    & skf21("6","5","5","1","4","5","6","1") = "5"
    & skf21("6","5","5","1","4","5","7","1") = "6"
    & skf21("6","5","5","1","4","6","1","1") = "5"
    & skf21("6","5","5","1","4","6","2","1") = "5"
    & skf21("6","5","5","1","4","6","3","1") = "5"
    & skf21("6","5","5","1","4","6","4","1") = "5"
    & skf21("6","5","5","1","4","6","5","1") = "5"
    & skf21("6","5","5","1","4","6","6","1") = "5"
    & skf21("6","5","5","1","4","6","7","1") = "6"
    & skf21("6","5","5","1","4","7","1","1") = "6"
    & skf21("6","5","5","1","4","7","2","1") = "6"
    & skf21("6","5","5","1","4","7","3","1") = "6"
    & skf21("6","5","5","1","4","7","4","1") = "6"
    & skf21("6","5","5","1","4","7","5","1") = "6"
    & skf21("6","5","5","1","4","7","6","1") = "6"
    & skf21("6","5","5","1","4","7","7","1") = "6"
    & skf21("6","5","5","1","5","1","1","1") = "5"
    & skf21("6","5","5","1","5","1","2","1") = "5"
    & skf21("6","5","5","1","5","1","3","1") = "5"
    & skf21("6","5","5","1","5","1","4","1") = "5"
    & skf21("6","5","5","1","5","1","5","1") = "5"
    & skf21("6","5","5","1","5","1","6","1") = "5"
    & skf21("6","5","5","1","5","1","7","1") = "6"
    & skf21("6","5","5","1","5","2","1","1") = "5"
    & skf21("6","5","5","1","5","2","2","1") = "5"
    & skf21("6","5","5","1","5","2","3","1") = "5"
    & skf21("6","5","5","1","5","2","4","1") = "5"
    & skf21("6","5","5","1","5","2","5","1") = "5"
    & skf21("6","5","5","1","5","2","6","1") = "5"
    & skf21("6","5","5","1","5","2","7","1") = "6"
    & skf21("6","5","5","1","5","3","1","1") = "5"
    & skf21("6","5","5","1","5","3","2","1") = "5"
    & skf21("6","5","5","1","5","3","3","1") = "5"
    & skf21("6","5","5","1","5","3","4","1") = "5"
    & skf21("6","5","5","1","5","3","5","1") = "5"
    & skf21("6","5","5","1","5","3","6","1") = "5"
    & skf21("6","5","5","1","5","3","7","1") = "6"
    & skf21("6","5","5","1","5","4","1","1") = "5"
    & skf21("6","5","5","1","5","4","2","1") = "5"
    & skf21("6","5","5","1","5","4","3","1") = "5"
    & skf21("6","5","5","1","5","4","4","1") = "5"
    & skf21("6","5","5","1","5","4","5","1") = "5"
    & skf21("6","5","5","1","5","4","6","1") = "5"
    & skf21("6","5","5","1","5","4","7","1") = "6"
    & skf21("6","5","5","1","5","5","1","1") = "5"
    & skf21("6","5","5","1","5","5","2","1") = "5"
    & skf21("6","5","5","1","5","5","3","1") = "5"
    & skf21("6","5","5","1","5","5","4","1") = "5"
    & skf21("6","5","5","1","5","5","5","1") = "5"
    & skf21("6","5","5","1","5","5","6","1") = "5"
    & skf21("6","5","5","1","5","5","7","1") = "6"
    & skf21("6","5","5","1","5","6","1","1") = "5"
    & skf21("6","5","5","1","5","6","2","1") = "5"
    & skf21("6","5","5","1","5","6","3","1") = "5"
    & skf21("6","5","5","1","5","6","4","1") = "5"
    & skf21("6","5","5","1","5","6","5","1") = "5"
    & skf21("6","5","5","1","5","6","6","1") = "5"
    & skf21("6","5","5","1","5","6","7","1") = "6"
    & skf21("6","5","5","1","5","7","1","1") = "6"
    & skf21("6","5","5","1","5","7","2","1") = "6"
    & skf21("6","5","5","1","5","7","3","1") = "6"
    & skf21("6","5","5","1","5","7","4","1") = "6"
    & skf21("6","5","5","1","5","7","5","1") = "6"
    & skf21("6","5","5","1","5","7","6","1") = "6"
    & skf21("6","5","5","1","5","7","7","1") = "6"
    & skf21("6","5","5","1","6","1","1","1") = "5"
    & skf21("6","5","5","1","6","1","2","1") = "5"
    & skf21("6","5","5","1","6","1","3","1") = "5"
    & skf21("6","5","5","1","6","1","4","1") = "5"
    & skf21("6","5","5","1","6","1","5","1") = "5"
    & skf21("6","5","5","1","6","1","6","1") = "5"
    & skf21("6","5","5","1","6","1","7","1") = "6"
    & skf21("6","5","5","1","6","2","1","1") = "5"
    & skf21("6","5","5","1","6","2","2","1") = "5"
    & skf21("6","5","5","1","6","2","3","1") = "5"
    & skf21("6","5","5","1","6","2","4","1") = "5"
    & skf21("6","5","5","1","6","2","5","1") = "5"
    & skf21("6","5","5","1","6","2","6","1") = "5"
    & skf21("6","5","5","1","6","2","7","1") = "6"
    & skf21("6","5","5","1","6","3","1","1") = "5"
    & skf21("6","5","5","1","6","3","2","1") = "5"
    & skf21("6","5","5","1","6","3","3","1") = "5"
    & skf21("6","5","5","1","6","3","4","1") = "5"
    & skf21("6","5","5","1","6","3","5","1") = "5"
    & skf21("6","5","5","1","6","3","6","1") = "5"
    & skf21("6","5","5","1","6","3","7","1") = "6"
    & skf21("6","5","5","1","6","4","1","1") = "5"
    & skf21("6","5","5","1","6","4","2","1") = "5"
    & skf21("6","5","5","1","6","4","3","1") = "5"
    & skf21("6","5","5","1","6","4","4","1") = "5"
    & skf21("6","5","5","1","6","4","5","1") = "5"
    & skf21("6","5","5","1","6","4","6","1") = "5"
    & skf21("6","5","5","1","6","4","7","1") = "6"
    & skf21("6","5","5","1","6","5","1","1") = "5"
    & skf21("6","5","5","1","6","5","2","1") = "5"
    & skf21("6","5","5","1","6","5","3","1") = "5"
    & skf21("6","5","5","1","6","5","4","1") = "5"
    & skf21("6","5","5","1","6","5","5","1") = "5"
    & skf21("6","5","5","1","6","5","6","1") = "5"
    & skf21("6","5","5","1","6","5","7","1") = "6"
    & skf21("6","5","5","1","6","6","1","1") = "5"
    & skf21("6","5","5","1","6","6","2","1") = "5"
    & skf21("6","5","5","1","6","6","3","1") = "5"
    & skf21("6","5","5","1","6","6","4","1") = "5"
    & skf21("6","5","5","1","6","6","5","1") = "5"
    & skf21("6","5","5","1","6","6","6","1") = "5"
    & skf21("6","5","5","1","6","6","7","1") = "6"
    & skf21("6","5","5","1","6","7","1","1") = "6"
    & skf21("6","5","5","1","6","7","2","1") = "6"
    & skf21("6","5","5","1","6","7","3","1") = "6"
    & skf21("6","5","5","1","6","7","4","1") = "6"
    & skf21("6","5","5","1","6","7","5","1") = "6"
    & skf21("6","5","5","1","6","7","6","1") = "6"
    & skf21("6","5","5","1","6","7","7","1") = "6"
    & skf21("6","5","5","1","7","1","1","1") = "6"
    & skf21("6","5","5","1","7","1","2","1") = "6"
    & skf21("6","5","5","1","7","1","3","1") = "6"
    & skf21("6","5","5","1","7","1","4","1") = "6"
    & skf21("6","5","5","1","7","1","5","1") = "6"
    & skf21("6","5","5","1","7","1","6","1") = "6"
    & skf21("6","5","5","1","7","1","7","1") = "6"
    & skf21("6","5","5","1","7","2","1","1") = "6"
    & skf21("6","5","5","1","7","2","2","1") = "6"
    & skf21("6","5","5","1","7","2","3","1") = "6"
    & skf21("6","5","5","1","7","2","4","1") = "6"
    & skf21("6","5","5","1","7","2","5","1") = "6"
    & skf21("6","5","5","1","7","2","6","1") = "6"
    & skf21("6","5","5","1","7","2","7","1") = "6"
    & skf21("6","5","5","1","7","3","1","1") = "6"
    & skf21("6","5","5","1","7","3","2","1") = "6"
    & skf21("6","5","5","1","7","3","3","1") = "6"
    & skf21("6","5","5","1","7","3","4","1") = "6"
    & skf21("6","5","5","1","7","3","5","1") = "6"
    & skf21("6","5","5","1","7","3","6","1") = "6"
    & skf21("6","5","5","1","7","3","7","1") = "6"
    & skf21("6","5","5","1","7","4","1","1") = "6"
    & skf21("6","5","5","1","7","4","2","1") = "6"
    & skf21("6","5","5","1","7","4","3","1") = "6"
    & skf21("6","5","5","1","7","4","4","1") = "6"
    & skf21("6","5","5","1","7","4","5","1") = "6"
    & skf21("6","5","5","1","7","4","6","1") = "6"
    & skf21("6","5","5","1","7","4","7","1") = "6"
    & skf21("6","5","5","1","7","5","1","1") = "6"
    & skf21("6","5","5","1","7","5","2","1") = "6"
    & skf21("6","5","5","1","7","5","3","1") = "6"
    & skf21("6","5","5","1","7","5","4","1") = "6"
    & skf21("6","5","5","1","7","5","5","1") = "6"
    & skf21("6","5","5","1","7","5","6","1") = "6"
    & skf21("6","5","5","1","7","5","7","1") = "6"
    & skf21("6","5","5","1","7","6","1","1") = "6"
    & skf21("6","5","5","1","7","6","2","1") = "6"
    & skf21("6","5","5","1","7","6","3","1") = "6"
    & skf21("6","5","5","1","7","6","4","1") = "6"
    & skf21("6","5","5","1","7","6","5","1") = "6"
    & skf21("6","5","5","1","7","6","6","1") = "6"
    & skf21("6","5","5","1","7","6","7","1") = "6"
    & skf21("6","5","5","1","7","7","1","1") = "6"
    & skf21("6","5","5","1","7","7","2","1") = "6"
    & skf21("6","5","5","1","7","7","3","1") = "6"
    & skf21("6","5","5","1","7","7","4","1") = "6"
    & skf21("6","5","5","1","7","7","5","1") = "6"
    & skf21("6","5","5","1","7","7","6","1") = "6"
    & skf21("6","5","5","1","7","7","7","1") = "6"
    & skf21("6","5","5","2","1","1","1","1") = "5"
    & skf21("6","5","5","2","1","1","2","1") = "5"
    & skf21("6","5","5","2","1","1","3","1") = "5"
    & skf21("6","5","5","2","1","1","4","1") = "5"
    & skf21("6","5","5","2","1","1","5","1") = "5"
    & skf21("6","5","5","2","1","1","6","1") = "5"
    & skf21("6","5","5","2","1","1","7","1") = "6"
    & skf21("6","5","5","2","1","2","1","1") = "5"
    & skf21("6","5","5","2","1","2","2","1") = "5"
    & skf21("6","5","5","2","1","2","3","1") = "5"
    & skf21("6","5","5","2","1","2","4","1") = "5"
    & skf21("6","5","5","2","1","2","5","1") = "5"
    & skf21("6","5","5","2","1","2","6","1") = "5"
    & skf21("6","5","5","2","1","2","7","1") = "6"
    & skf21("6","5","5","2","1","3","1","1") = "5"
    & skf21("6","5","5","2","1","3","2","1") = "5"
    & skf21("6","5","5","2","1","3","3","1") = "5"
    & skf21("6","5","5","2","1","3","4","1") = "5"
    & skf21("6","5","5","2","1","3","5","1") = "5"
    & skf21("6","5","5","2","1","3","6","1") = "5"
    & skf21("6","5","5","2","1","3","7","1") = "6"
    & skf21("6","5","5","2","1","4","1","1") = "5"
    & skf21("6","5","5","2","1","4","2","1") = "5"
    & skf21("6","5","5","2","1","4","3","1") = "5"
    & skf21("6","5","5","2","1","4","4","1") = "5"
    & skf21("6","5","5","2","1","4","5","1") = "5"
    & skf21("6","5","5","2","1","4","6","1") = "5"
    & skf21("6","5","5","2","1","4","7","1") = "6"
    & skf21("6","5","5","2","1","5","1","1") = "5"
    & skf21("6","5","5","2","1","5","2","1") = "5"
    & skf21("6","5","5","2","1","5","3","1") = "5"
    & skf21("6","5","5","2","1","5","4","1") = "5"
    & skf21("6","5","5","2","1","5","5","1") = "5"
    & skf21("6","5","5","2","1","5","6","1") = "5"
    & skf21("6","5","5","2","1","5","7","1") = "6"
    & skf21("6","5","5","2","1","6","1","1") = "5"
    & skf21("6","5","5","2","1","6","2","1") = "5"
    & skf21("6","5","5","2","1","6","3","1") = "5"
    & skf21("6","5","5","2","1","6","4","1") = "5"
    & skf21("6","5","5","2","1","6","5","1") = "5"
    & skf21("6","5","5","2","1","6","6","1") = "5"
    & skf21("6","5","5","2","1","6","7","1") = "6"
    & skf21("6","5","5","2","1","7","1","1") = "6"
    & skf21("6","5","5","2","1","7","2","1") = "6"
    & skf21("6","5","5","2","1","7","3","1") = "6"
    & skf21("6","5","5","2","1","7","4","1") = "6"
    & skf21("6","5","5","2","1","7","5","1") = "6"
    & skf21("6","5","5","2","1","7","6","1") = "6"
    & skf21("6","5","5","2","1","7","7","1") = "6"
    & skf21("6","5","5","2","2","1","1","1") = "5"
    & skf21("6","5","5","2","2","1","2","1") = "5"
    & skf21("6","5","5","2","2","1","3","1") = "5"
    & skf21("6","5","5","2","2","1","4","1") = "5"
    & skf21("6","5","5","2","2","1","5","1") = "5"
    & skf21("6","5","5","2","2","1","6","1") = "5"
    & skf21("6","5","5","2","2","1","7","1") = "6"
    & skf21("6","5","5","2","2","2","1","1") = "5"
    & skf21("6","5","5","2","2","2","2","1") = "5"
    & skf21("6","5","5","2","2","2","3","1") = "5"
    & skf21("6","5","5","2","2","2","4","1") = "5"
    & skf21("6","5","5","2","2","2","5","1") = "5"
    & skf21("6","5","5","2","2","2","6","1") = "5"
    & skf21("6","5","5","2","2","2","7","1") = "6"
    & skf21("6","5","5","2","2","3","1","1") = "5"
    & skf21("6","5","5","2","2","3","2","1") = "5"
    & skf21("6","5","5","2","2","3","3","1") = "5"
    & skf21("6","5","5","2","2","3","4","1") = "5"
    & skf21("6","5","5","2","2","3","5","1") = "5"
    & skf21("6","5","5","2","2","3","6","1") = "5"
    & skf21("6","5","5","2","2","3","7","1") = "6"
    & skf21("6","5","5","2","2","4","1","1") = "5"
    & skf21("6","5","5","2","2","4","2","1") = "5"
    & skf21("6","5","5","2","2","4","3","1") = "5"
    & skf21("6","5","5","2","2","4","4","1") = "5"
    & skf21("6","5","5","2","2","4","5","1") = "5"
    & skf21("6","5","5","2","2","4","6","1") = "5"
    & skf21("6","5","5","2","2","4","7","1") = "6"
    & skf21("6","5","5","2","2","5","1","1") = "5"
    & skf21("6","5","5","2","2","5","2","1") = "5"
    & skf21("6","5","5","2","2","5","3","1") = "5"
    & skf21("6","5","5","2","2","5","4","1") = "5"
    & skf21("6","5","5","2","2","5","5","1") = "5"
    & skf21("6","5","5","2","2","5","6","1") = "5"
    & skf21("6","5","5","2","2","5","7","1") = "6"
    & skf21("6","5","5","2","2","6","1","1") = "5"
    & skf21("6","5","5","2","2","6","2","1") = "5"
    & skf21("6","5","5","2","2","6","3","1") = "5"
    & skf21("6","5","5","2","2","6","4","1") = "5"
    & skf21("6","5","5","2","2","6","5","1") = "5"
    & skf21("6","5","5","2","2","6","6","1") = "5"
    & skf21("6","5","5","2","2","6","7","1") = "6"
    & skf21("6","5","5","2","2","7","1","1") = "6"
    & skf21("6","5","5","2","2","7","2","1") = "6"
    & skf21("6","5","5","2","2","7","3","1") = "6"
    & skf21("6","5","5","2","2","7","4","1") = "6"
    & skf21("6","5","5","2","2","7","5","1") = "6"
    & skf21("6","5","5","2","2","7","6","1") = "6"
    & skf21("6","5","5","2","2","7","7","1") = "6"
    & skf21("6","5","5","2","3","1","1","1") = "5"
    & skf21("6","5","5","2","3","1","2","1") = "5"
    & skf21("6","5","5","2","3","1","3","1") = "5"
    & skf21("6","5","5","2","3","1","4","1") = "5"
    & skf21("6","5","5","2","3","1","5","1") = "5"
    & skf21("6","5","5","2","3","1","6","1") = "5"
    & skf21("6","5","5","2","3","1","7","1") = "6"
    & skf21("6","5","5","2","3","2","1","1") = "5"
    & skf21("6","5","5","2","3","2","2","1") = "5"
    & skf21("6","5","5","2","3","2","3","1") = "5"
    & skf21("6","5","5","2","3","2","4","1") = "5"
    & skf21("6","5","5","2","3","2","5","1") = "5"
    & skf21("6","5","5","2","3","2","6","1") = "5"
    & skf21("6","5","5","2","3","2","7","1") = "6"
    & skf21("6","5","5","2","3","3","1","1") = "5"
    & skf21("6","5","5","2","3","3","2","1") = "5"
    & skf21("6","5","5","2","3","3","3","1") = "5"
    & skf21("6","5","5","2","3","3","4","1") = "5"
    & skf21("6","5","5","2","3","3","5","1") = "5"
    & skf21("6","5","5","2","3","3","6","1") = "5"
    & skf21("6","5","5","2","3","3","7","1") = "6"
    & skf21("6","5","5","2","3","4","1","1") = "5"
    & skf21("6","5","5","2","3","4","2","1") = "5"
    & skf21("6","5","5","2","3","4","3","1") = "5"
    & skf21("6","5","5","2","3","4","4","1") = "5"
    & skf21("6","5","5","2","3","4","5","1") = "5"
    & skf21("6","5","5","2","3","4","6","1") = "5"
    & skf21("6","5","5","2","3","4","7","1") = "6"
    & skf21("6","5","5","2","3","5","1","1") = "5"
    & skf21("6","5","5","2","3","5","2","1") = "5"
    & skf21("6","5","5","2","3","5","3","1") = "5"
    & skf21("6","5","5","2","3","5","4","1") = "5"
    & skf21("6","5","5","2","3","5","5","1") = "5"
    & skf21("6","5","5","2","3","5","6","1") = "5"
    & skf21("6","5","5","2","3","5","7","1") = "6"
    & skf21("6","5","5","2","3","6","1","1") = "5"
    & skf21("6","5","5","2","3","6","2","1") = "5"
    & skf21("6","5","5","2","3","6","3","1") = "5"
    & skf21("6","5","5","2","3","6","4","1") = "5"
    & skf21("6","5","5","2","3","6","5","1") = "5"
    & skf21("6","5","5","2","3","6","6","1") = "5"
    & skf21("6","5","5","2","3","6","7","1") = "6"
    & skf21("6","5","5","2","3","7","1","1") = "6"
    & skf21("6","5","5","2","3","7","2","1") = "6"
    & skf21("6","5","5","2","3","7","3","1") = "6"
    & skf21("6","5","5","2","3","7","4","1") = "6"
    & skf21("6","5","5","2","3","7","5","1") = "6"
    & skf21("6","5","5","2","3","7","6","1") = "6"
    & skf21("6","5","5","2","3","7","7","1") = "6"
    & skf21("6","5","5","2","4","1","1","1") = "5"
    & skf21("6","5","5","2","4","1","2","1") = "5"
    & skf21("6","5","5","2","4","1","3","1") = "5"
    & skf21("6","5","5","2","4","1","4","1") = "5"
    & skf21("6","5","5","2","4","1","5","1") = "5"
    & skf21("6","5","5","2","4","1","6","1") = "5"
    & skf21("6","5","5","2","4","1","7","1") = "6"
    & skf21("6","5","5","2","4","2","1","1") = "5"
    & skf21("6","5","5","2","4","2","2","1") = "5"
    & skf21("6","5","5","2","4","2","3","1") = "5"
    & skf21("6","5","5","2","4","2","4","1") = "5"
    & skf21("6","5","5","2","4","2","5","1") = "5"
    & skf21("6","5","5","2","4","2","6","1") = "5"
    & skf21("6","5","5","2","4","2","7","1") = "6"
    & skf21("6","5","5","2","4","3","1","1") = "5"
    & skf21("6","5","5","2","4","3","2","1") = "5"
    & skf21("6","5","5","2","4","3","3","1") = "5"
    & skf21("6","5","5","2","4","3","4","1") = "5"
    & skf21("6","5","5","2","4","3","5","1") = "5"
    & skf21("6","5","5","2","4","3","6","1") = "5"
    & skf21("6","5","5","2","4","3","7","1") = "6"
    & skf21("6","5","5","2","4","4","1","1") = "5"
    & skf21("6","5","5","2","4","4","2","1") = "5"
    & skf21("6","5","5","2","4","4","3","1") = "5"
    & skf21("6","5","5","2","4","4","4","1") = "5"
    & skf21("6","5","5","2","4","4","5","1") = "5"
    & skf21("6","5","5","2","4","4","6","1") = "5"
    & skf21("6","5","5","2","4","4","7","1") = "6"
    & skf21("6","5","5","2","4","5","1","1") = "5"
    & skf21("6","5","5","2","4","5","2","1") = "5"
    & skf21("6","5","5","2","4","5","3","1") = "5"
    & skf21("6","5","5","2","4","5","4","1") = "5"
    & skf21("6","5","5","2","4","5","5","1") = "5"
    & skf21("6","5","5","2","4","5","6","1") = "5"
    & skf21("6","5","5","2","4","5","7","1") = "6"
    & skf21("6","5","5","2","4","6","1","1") = "5"
    & skf21("6","5","5","2","4","6","2","1") = "5"
    & skf21("6","5","5","2","4","6","3","1") = "5"
    & skf21("6","5","5","2","4","6","4","1") = "5"
    & skf21("6","5","5","2","4","6","5","1") = "5"
    & skf21("6","5","5","2","4","6","6","1") = "5"
    & skf21("6","5","5","2","4","6","7","1") = "6"
    & skf21("6","5","5","2","4","7","1","1") = "6"
    & skf21("6","5","5","2","4","7","2","1") = "6"
    & skf21("6","5","5","2","4","7","3","1") = "6"
    & skf21("6","5","5","2","4","7","4","1") = "6"
    & skf21("6","5","5","2","4","7","5","1") = "6"
    & skf21("6","5","5","2","4","7","6","1") = "6"
    & skf21("6","5","5","2","4","7","7","1") = "6"
    & skf21("6","5","5","2","5","1","1","1") = "5"
    & skf21("6","5","5","2","5","1","2","1") = "5"
    & skf21("6","5","5","2","5","1","3","1") = "5"
    & skf21("6","5","5","2","5","1","4","1") = "5"
    & skf21("6","5","5","2","5","1","5","1") = "5"
    & skf21("6","5","5","2","5","1","6","1") = "5"
    & skf21("6","5","5","2","5","1","7","1") = "6"
    & skf21("6","5","5","2","5","2","1","1") = "5"
    & skf21("6","5","5","2","5","2","2","1") = "5"
    & skf21("6","5","5","2","5","2","3","1") = "5"
    & skf21("6","5","5","2","5","2","4","1") = "5"
    & skf21("6","5","5","2","5","2","5","1") = "5"
    & skf21("6","5","5","2","5","2","6","1") = "5"
    & skf21("6","5","5","2","5","2","7","1") = "6"
    & skf21("6","5","5","2","5","3","1","1") = "5"
    & skf21("6","5","5","2","5","3","2","1") = "5"
    & skf21("6","5","5","2","5","3","3","1") = "5"
    & skf21("6","5","5","2","5","3","4","1") = "5"
    & skf21("6","5","5","2","5","3","5","1") = "5"
    & skf21("6","5","5","2","5","3","6","1") = "5"
    & skf21("6","5","5","2","5","3","7","1") = "6"
    & skf21("6","5","5","2","5","4","1","1") = "5"
    & skf21("6","5","5","2","5","4","2","1") = "5"
    & skf21("6","5","5","2","5","4","3","1") = "5"
    & skf21("6","5","5","2","5","4","4","1") = "5"
    & skf21("6","5","5","2","5","4","5","1") = "5"
    & skf21("6","5","5","2","5","4","6","1") = "5"
    & skf21("6","5","5","2","5","4","7","1") = "6"
    & skf21("6","5","5","2","5","5","1","1") = "5"
    & skf21("6","5","5","2","5","5","2","1") = "5"
    & skf21("6","5","5","2","5","5","3","1") = "5"
    & skf21("6","5","5","2","5","5","4","1") = "5"
    & skf21("6","5","5","2","5","5","5","1") = "5"
    & skf21("6","5","5","2","5","5","6","1") = "5"
    & skf21("6","5","5","2","5","5","7","1") = "6"
    & skf21("6","5","5","2","5","6","1","1") = "5"
    & skf21("6","5","5","2","5","6","2","1") = "5"
    & skf21("6","5","5","2","5","6","3","1") = "5"
    & skf21("6","5","5","2","5","6","4","1") = "5"
    & skf21("6","5","5","2","5","6","5","1") = "5"
    & skf21("6","5","5","2","5","6","6","1") = "5"
    & skf21("6","5","5","2","5","6","7","1") = "6"
    & skf21("6","5","5","2","5","7","1","1") = "6"
    & skf21("6","5","5","2","5","7","2","1") = "6"
    & skf21("6","5","5","2","5","7","3","1") = "6"
    & skf21("6","5","5","2","5","7","4","1") = "6"
    & skf21("6","5","5","2","5","7","5","1") = "6"
    & skf21("6","5","5","2","5","7","6","1") = "6"
    & skf21("6","5","5","2","5","7","7","1") = "6"
    & skf21("6","5","5","2","6","1","1","1") = "5"
    & skf21("6","5","5","2","6","1","2","1") = "5"
    & skf21("6","5","5","2","6","1","3","1") = "5"
    & skf21("6","5","5","2","6","1","4","1") = "5"
    & skf21("6","5","5","2","6","1","5","1") = "5"
    & skf21("6","5","5","2","6","1","6","1") = "5"
    & skf21("6","5","5","2","6","1","7","1") = "6"
    & skf21("6","5","5","2","6","2","1","1") = "5"
    & skf21("6","5","5","2","6","2","2","1") = "5"
    & skf21("6","5","5","2","6","2","3","1") = "5"
    & skf21("6","5","5","2","6","2","4","1") = "5"
    & skf21("6","5","5","2","6","2","5","1") = "5"
    & skf21("6","5","5","2","6","2","6","1") = "5"
    & skf21("6","5","5","2","6","2","7","1") = "6"
    & skf21("6","5","5","2","6","3","1","1") = "5"
    & skf21("6","5","5","2","6","3","2","1") = "5"
    & skf21("6","5","5","2","6","3","3","1") = "5"
    & skf21("6","5","5","2","6","3","4","1") = "5"
    & skf21("6","5","5","2","6","3","5","1") = "5"
    & skf21("6","5","5","2","6","3","6","1") = "5"
    & skf21("6","5","5","2","6","3","7","1") = "6"
    & skf21("6","5","5","2","6","4","1","1") = "5"
    & skf21("6","5","5","2","6","4","2","1") = "5"
    & skf21("6","5","5","2","6","4","3","1") = "5"
    & skf21("6","5","5","2","6","4","4","1") = "5"
    & skf21("6","5","5","2","6","4","5","1") = "5"
    & skf21("6","5","5","2","6","4","6","1") = "5"
    & skf21("6","5","5","2","6","4","7","1") = "6"
    & skf21("6","5","5","2","6","5","1","1") = "5"
    & skf21("6","5","5","2","6","5","2","1") = "5"
    & skf21("6","5","5","2","6","5","3","1") = "5"
    & skf21("6","5","5","2","6","5","4","1") = "5"
    & skf21("6","5","5","2","6","5","5","1") = "5"
    & skf21("6","5","5","2","6","5","6","1") = "5"
    & skf21("6","5","5","2","6","5","7","1") = "6"
    & skf21("6","5","5","2","6","6","1","1") = "5"
    & skf21("6","5","5","2","6","6","2","1") = "5"
    & skf21("6","5","5","2","6","6","3","1") = "5"
    & skf21("6","5","5","2","6","6","4","1") = "5"
    & skf21("6","5","5","2","6","6","5","1") = "5"
    & skf21("6","5","5","2","6","6","6","1") = "5"
    & skf21("6","5","5","2","6","6","7","1") = "6"
    & skf21("6","5","5","2","6","7","1","1") = "6"
    & skf21("6","5","5","2","6","7","2","1") = "6"
    & skf21("6","5","5","2","6","7","3","1") = "6"
    & skf21("6","5","5","2","6","7","4","1") = "6"
    & skf21("6","5","5","2","6","7","5","1") = "6"
    & skf21("6","5","5","2","6","7","6","1") = "6"
    & skf21("6","5","5","2","6","7","7","1") = "6"
    & skf21("6","5","5","2","7","1","1","1") = "6"
    & skf21("6","5","5","2","7","1","2","1") = "6"
    & skf21("6","5","5","2","7","1","3","1") = "6"
    & skf21("6","5","5","2","7","1","4","1") = "6"
    & skf21("6","5","5","2","7","1","5","1") = "6"
    & skf21("6","5","5","2","7","1","6","1") = "6"
    & skf21("6","5","5","2","7","1","7","1") = "6"
    & skf21("6","5","5","2","7","2","1","1") = "6"
    & skf21("6","5","5","2","7","2","2","1") = "6"
    & skf21("6","5","5","2","7","2","3","1") = "6"
    & skf21("6","5","5","2","7","2","4","1") = "6"
    & skf21("6","5","5","2","7","2","5","1") = "6"
    & skf21("6","5","5","2","7","2","6","1") = "6"
    & skf21("6","5","5","2","7","2","7","1") = "6"
    & skf21("6","5","5","2","7","3","1","1") = "6"
    & skf21("6","5","5","2","7","3","2","1") = "6"
    & skf21("6","5","5","2","7","3","3","1") = "6"
    & skf21("6","5","5","2","7","3","4","1") = "6"
    & skf21("6","5","5","2","7","3","5","1") = "6"
    & skf21("6","5","5","2","7","3","6","1") = "6"
    & skf21("6","5","5","2","7","3","7","1") = "6"
    & skf21("6","5","5","2","7","4","1","1") = "6"
    & skf21("6","5","5","2","7","4","2","1") = "6"
    & skf21("6","5","5","2","7","4","3","1") = "6"
    & skf21("6","5","5","2","7","4","4","1") = "6"
    & skf21("6","5","5","2","7","4","5","1") = "6"
    & skf21("6","5","5","2","7","4","6","1") = "6"
    & skf21("6","5","5","2","7","4","7","1") = "6"
    & skf21("6","5","5","2","7","5","1","1") = "6"
    & skf21("6","5","5","2","7","5","2","1") = "6"
    & skf21("6","5","5","2","7","5","3","1") = "6"
    & skf21("6","5","5","2","7","5","4","1") = "6"
    & skf21("6","5","5","2","7","5","5","1") = "6"
    & skf21("6","5","5","2","7","5","6","1") = "6"
    & skf21("6","5","5","2","7","5","7","1") = "6"
    & skf21("6","5","5","2","7","6","1","1") = "6"
    & skf21("6","5","5","2","7","6","2","1") = "6"
    & skf21("6","5","5","2","7","6","3","1") = "6"
    & skf21("6","5","5","2","7","6","4","1") = "6"
    & skf21("6","5","5","2","7","6","5","1") = "6"
    & skf21("6","5","5","2","7","6","6","1") = "6"
    & skf21("6","5","5","2","7","6","7","1") = "6"
    & skf21("6","5","5","2","7","7","1","1") = "6"
    & skf21("6","5","5","2","7","7","2","1") = "6"
    & skf21("6","5","5","2","7","7","3","1") = "6"
    & skf21("6","5","5","2","7","7","4","1") = "6"
    & skf21("6","5","5","2","7","7","5","1") = "6"
    & skf21("6","5","5","2","7","7","6","1") = "6"
    & skf21("6","5","5","2","7","7","7","1") = "6"
    & skf21("6","5","5","3","1","1","1","1") = "5"
    & skf21("6","5","5","3","1","1","2","1") = "5"
    & skf21("6","5","5","3","1","1","3","1") = "5"
    & skf21("6","5","5","3","1","1","4","1") = "5"
    & skf21("6","5","5","3","1","1","5","1") = "5"
    & skf21("6","5","5","3","1","1","6","1") = "5"
    & skf21("6","5","5","3","1","1","7","1") = "6"
    & skf21("6","5","5","3","1","2","1","1") = "5"
    & skf21("6","5","5","3","1","2","2","1") = "5"
    & skf21("6","5","5","3","1","2","3","1") = "5"
    & skf21("6","5","5","3","1","2","4","1") = "5"
    & skf21("6","5","5","3","1","2","5","1") = "5"
    & skf21("6","5","5","3","1","2","6","1") = "5"
    & skf21("6","5","5","3","1","2","7","1") = "6"
    & skf21("6","5","5","3","1","3","1","1") = "5"
    & skf21("6","5","5","3","1","3","2","1") = "5"
    & skf21("6","5","5","3","1","3","3","1") = "5"
    & skf21("6","5","5","3","1","3","4","1") = "5"
    & skf21("6","5","5","3","1","3","5","1") = "5"
    & skf21("6","5","5","3","1","3","6","1") = "5"
    & skf21("6","5","5","3","1","3","7","1") = "6"
    & skf21("6","5","5","3","1","4","1","1") = "5"
    & skf21("6","5","5","3","1","4","2","1") = "5"
    & skf21("6","5","5","3","1","4","3","1") = "5"
    & skf21("6","5","5","3","1","4","4","1") = "5"
    & skf21("6","5","5","3","1","4","5","1") = "5"
    & skf21("6","5","5","3","1","4","6","1") = "5"
    & skf21("6","5","5","3","1","4","7","1") = "6"
    & skf21("6","5","5","3","1","5","1","1") = "5"
    & skf21("6","5","5","3","1","5","2","1") = "5"
    & skf21("6","5","5","3","1","5","3","1") = "5"
    & skf21("6","5","5","3","1","5","4","1") = "5"
    & skf21("6","5","5","3","1","5","5","1") = "5"
    & skf21("6","5","5","3","1","5","6","1") = "5"
    & skf21("6","5","5","3","1","5","7","1") = "6"
    & skf21("6","5","5","3","1","6","1","1") = "5"
    & skf21("6","5","5","3","1","6","2","1") = "5"
    & skf21("6","5","5","3","1","6","3","1") = "5"
    & skf21("6","5","5","3","1","6","4","1") = "5"
    & skf21("6","5","5","3","1","6","5","1") = "5"
    & skf21("6","5","5","3","1","6","6","1") = "5"
    & skf21("6","5","5","3","1","6","7","1") = "6"
    & skf21("6","5","5","3","1","7","1","1") = "6"
    & skf21("6","5","5","3","1","7","2","1") = "6"
    & skf21("6","5","5","3","1","7","3","1") = "6"
    & skf21("6","5","5","3","1","7","4","1") = "6"
    & skf21("6","5","5","3","1","7","5","1") = "6"
    & skf21("6","5","5","3","1","7","6","1") = "6"
    & skf21("6","5","5","3","1","7","7","1") = "6"
    & skf21("6","5","5","3","2","1","1","1") = "5"
    & skf21("6","5","5","3","2","1","2","1") = "5"
    & skf21("6","5","5","3","2","1","3","1") = "5"
    & skf21("6","5","5","3","2","1","4","1") = "5"
    & skf21("6","5","5","3","2","1","5","1") = "5"
    & skf21("6","5","5","3","2","1","6","1") = "5"
    & skf21("6","5","5","3","2","1","7","1") = "6"
    & skf21("6","5","5","3","2","2","1","1") = "5"
    & skf21("6","5","5","3","2","2","2","1") = "5"
    & skf21("6","5","5","3","2","2","3","1") = "5"
    & skf21("6","5","5","3","2","2","4","1") = "5"
    & skf21("6","5","5","3","2","2","5","1") = "5"
    & skf21("6","5","5","3","2","2","6","1") = "5"
    & skf21("6","5","5","3","2","2","7","1") = "6"
    & skf21("6","5","5","3","2","3","1","1") = "5"
    & skf21("6","5","5","3","2","3","2","1") = "5"
    & skf21("6","5","5","3","2","3","3","1") = "5"
    & skf21("6","5","5","3","2","3","4","1") = "5"
    & skf21("6","5","5","3","2","3","5","1") = "5"
    & skf21("6","5","5","3","2","3","6","1") = "5"
    & skf21("6","5","5","3","2","3","7","1") = "6"
    & skf21("6","5","5","3","2","4","1","1") = "5"
    & skf21("6","5","5","3","2","4","2","1") = "5"
    & skf21("6","5","5","3","2","4","3","1") = "5"
    & skf21("6","5","5","3","2","4","4","1") = "5"
    & skf21("6","5","5","3","2","4","5","1") = "5"
    & skf21("6","5","5","3","2","4","6","1") = "5"
    & skf21("6","5","5","3","2","4","7","1") = "6"
    & skf21("6","5","5","3","2","5","1","1") = "5"
    & skf21("6","5","5","3","2","5","2","1") = "5"
    & skf21("6","5","5","3","2","5","3","1") = "5"
    & skf21("6","5","5","3","2","5","4","1") = "5"
    & skf21("6","5","5","3","2","5","5","1") = "5"
    & skf21("6","5","5","3","2","5","6","1") = "5"
    & skf21("6","5","5","3","2","5","7","1") = "6"
    & skf21("6","5","5","3","2","6","1","1") = "5"
    & skf21("6","5","5","3","2","6","2","1") = "5"
    & skf21("6","5","5","3","2","6","3","1") = "5"
    & skf21("6","5","5","3","2","6","4","1") = "5"
    & skf21("6","5","5","3","2","6","5","1") = "5"
    & skf21("6","5","5","3","2","6","6","1") = "5"
    & skf21("6","5","5","3","2","6","7","1") = "6"
    & skf21("6","5","5","3","2","7","1","1") = "6"
    & skf21("6","5","5","3","2","7","2","1") = "6"
    & skf21("6","5","5","3","2","7","3","1") = "6"
    & skf21("6","5","5","3","2","7","4","1") = "6"
    & skf21("6","5","5","3","2","7","5","1") = "6"
    & skf21("6","5","5","3","2","7","6","1") = "6"
    & skf21("6","5","5","3","2","7","7","1") = "6"
    & skf21("6","5","5","3","3","1","1","1") = "5"
    & skf21("6","5","5","3","3","1","2","1") = "5"
    & skf21("6","5","5","3","3","1","3","1") = "5"
    & skf21("6","5","5","3","3","1","4","1") = "5"
    & skf21("6","5","5","3","3","1","5","1") = "5"
    & skf21("6","5","5","3","3","1","6","1") = "5"
    & skf21("6","5","5","3","3","1","7","1") = "6"
    & skf21("6","5","5","3","3","2","1","1") = "5"
    & skf21("6","5","5","3","3","2","2","1") = "5"
    & skf21("6","5","5","3","3","2","3","1") = "5"
    & skf21("6","5","5","3","3","2","4","1") = "5"
    & skf21("6","5","5","3","3","2","5","1") = "5"
    & skf21("6","5","5","3","3","2","6","1") = "5"
    & skf21("6","5","5","3","3","2","7","1") = "6"
    & skf21("6","5","5","3","3","3","1","1") = "5"
    & skf21("6","5","5","3","3","3","2","1") = "5"
    & skf21("6","5","5","3","3","3","3","1") = "5"
    & skf21("6","5","5","3","3","3","4","1") = "5"
    & skf21("6","5","5","3","3","3","5","1") = "5"
    & skf21("6","5","5","3","3","3","6","1") = "5"
    & skf21("6","5","5","3","3","3","7","1") = "6"
    & skf21("6","5","5","3","3","4","1","1") = "5"
    & skf21("6","5","5","3","3","4","2","1") = "5"
    & skf21("6","5","5","3","3","4","3","1") = "5"
    & skf21("6","5","5","3","3","4","4","1") = "5"
    & skf21("6","5","5","3","3","4","5","1") = "5"
    & skf21("6","5","5","3","3","4","6","1") = "5"
    & skf21("6","5","5","3","3","4","7","1") = "6"
    & skf21("6","5","5","3","3","5","1","1") = "5"
    & skf21("6","5","5","3","3","5","2","1") = "5"
    & skf21("6","5","5","3","3","5","3","1") = "5"
    & skf21("6","5","5","3","3","5","4","1") = "5"
    & skf21("6","5","5","3","3","5","5","1") = "5"
    & skf21("6","5","5","3","3","5","6","1") = "5"
    & skf21("6","5","5","3","3","5","7","1") = "6"
    & skf21("6","5","5","3","3","6","1","1") = "5"
    & skf21("6","5","5","3","3","6","2","1") = "5"
    & skf21("6","5","5","3","3","6","3","1") = "5"
    & skf21("6","5","5","3","3","6","4","1") = "5"
    & skf21("6","5","5","3","3","6","5","1") = "5"
    & skf21("6","5","5","3","3","6","6","1") = "5"
    & skf21("6","5","5","3","3","6","7","1") = "6"
    & skf21("6","5","5","3","3","7","1","1") = "6"
    & skf21("6","5","5","3","3","7","2","1") = "6"
    & skf21("6","5","5","3","3","7","3","1") = "6"
    & skf21("6","5","5","3","3","7","4","1") = "6"
    & skf21("6","5","5","3","3","7","5","1") = "6"
    & skf21("6","5","5","3","3","7","6","1") = "6"
    & skf21("6","5","5","3","3","7","7","1") = "6"
    & skf21("6","5","5","3","4","1","1","1") = "5"
    & skf21("6","5","5","3","4","1","2","1") = "5"
    & skf21("6","5","5","3","4","1","3","1") = "5"
    & skf21("6","5","5","3","4","1","4","1") = "5"
    & skf21("6","5","5","3","4","1","5","1") = "5"
    & skf21("6","5","5","3","4","1","6","1") = "5"
    & skf21("6","5","5","3","4","1","7","1") = "6"
    & skf21("6","5","5","3","4","2","1","1") = "5"
    & skf21("6","5","5","3","4","2","2","1") = "5"
    & skf21("6","5","5","3","4","2","3","1") = "5"
    & skf21("6","5","5","3","4","2","4","1") = "5"
    & skf21("6","5","5","3","4","2","5","1") = "5"
    & skf21("6","5","5","3","4","2","6","1") = "5"
    & skf21("6","5","5","3","4","2","7","1") = "6"
    & skf21("6","5","5","3","4","3","1","1") = "5"
    & skf21("6","5","5","3","4","3","2","1") = "5"
    & skf21("6","5","5","3","4","3","3","1") = "5"
    & skf21("6","5","5","3","4","3","4","1") = "5"
    & skf21("6","5","5","3","4","3","5","1") = "5"
    & skf21("6","5","5","3","4","3","6","1") = "5"
    & skf21("6","5","5","3","4","3","7","1") = "6"
    & skf21("6","5","5","3","4","4","1","1") = "5"
    & skf21("6","5","5","3","4","4","2","1") = "5"
    & skf21("6","5","5","3","4","4","3","1") = "5"
    & skf21("6","5","5","3","4","4","4","1") = "5"
    & skf21("6","5","5","3","4","4","5","1") = "5"
    & skf21("6","5","5","3","4","4","6","1") = "5"
    & skf21("6","5","5","3","4","4","7","1") = "6"
    & skf21("6","5","5","3","4","5","1","1") = "5"
    & skf21("6","5","5","3","4","5","2","1") = "5"
    & skf21("6","5","5","3","4","5","3","1") = "5"
    & skf21("6","5","5","3","4","5","4","1") = "5"
    & skf21("6","5","5","3","4","5","5","1") = "5"
    & skf21("6","5","5","3","4","5","6","1") = "5"
    & skf21("6","5","5","3","4","5","7","1") = "6"
    & skf21("6","5","5","3","4","6","1","1") = "5"
    & skf21("6","5","5","3","4","6","2","1") = "5"
    & skf21("6","5","5","3","4","6","3","1") = "5"
    & skf21("6","5","5","3","4","6","4","1") = "5"
    & skf21("6","5","5","3","4","6","5","1") = "5"
    & skf21("6","5","5","3","4","6","6","1") = "5"
    & skf21("6","5","5","3","4","6","7","1") = "6"
    & skf21("6","5","5","3","4","7","1","1") = "6"
    & skf21("6","5","5","3","4","7","2","1") = "6"
    & skf21("6","5","5","3","4","7","3","1") = "6"
    & skf21("6","5","5","3","4","7","4","1") = "6"
    & skf21("6","5","5","3","4","7","5","1") = "6"
    & skf21("6","5","5","3","4","7","6","1") = "6"
    & skf21("6","5","5","3","4","7","7","1") = "6"
    & skf21("6","5","5","3","5","1","1","1") = "5"
    & skf21("6","5","5","3","5","1","2","1") = "5"
    & skf21("6","5","5","3","5","1","3","1") = "5"
    & skf21("6","5","5","3","5","1","4","1") = "5"
    & skf21("6","5","5","3","5","1","5","1") = "5"
    & skf21("6","5","5","3","5","1","6","1") = "5"
    & skf21("6","5","5","3","5","1","7","1") = "6"
    & skf21("6","5","5","3","5","2","1","1") = "5"
    & skf21("6","5","5","3","5","2","2","1") = "5"
    & skf21("6","5","5","3","5","2","3","1") = "5"
    & skf21("6","5","5","3","5","2","4","1") = "5"
    & skf21("6","5","5","3","5","2","5","1") = "5"
    & skf21("6","5","5","3","5","2","6","1") = "5"
    & skf21("6","5","5","3","5","2","7","1") = "6"
    & skf21("6","5","5","3","5","3","1","1") = "5"
    & skf21("6","5","5","3","5","3","2","1") = "5"
    & skf21("6","5","5","3","5","3","3","1") = "5"
    & skf21("6","5","5","3","5","3","4","1") = "5"
    & skf21("6","5","5","3","5","3","5","1") = "5"
    & skf21("6","5","5","3","5","3","6","1") = "5"
    & skf21("6","5","5","3","5","3","7","1") = "6"
    & skf21("6","5","5","3","5","4","1","1") = "5"
    & skf21("6","5","5","3","5","4","2","1") = "5"
    & skf21("6","5","5","3","5","4","3","1") = "5"
    & skf21("6","5","5","3","5","4","4","1") = "5"
    & skf21("6","5","5","3","5","4","5","1") = "5"
    & skf21("6","5","5","3","5","4","6","1") = "5"
    & skf21("6","5","5","3","5","4","7","1") = "6"
    & skf21("6","5","5","3","5","5","1","1") = "5"
    & skf21("6","5","5","3","5","5","2","1") = "5"
    & skf21("6","5","5","3","5","5","3","1") = "5"
    & skf21("6","5","5","3","5","5","4","1") = "5"
    & skf21("6","5","5","3","5","5","5","1") = "5"
    & skf21("6","5","5","3","5","5","6","1") = "5"
    & skf21("6","5","5","3","5","5","7","1") = "6"
    & skf21("6","5","5","3","5","6","1","1") = "5"
    & skf21("6","5","5","3","5","6","2","1") = "5"
    & skf21("6","5","5","3","5","6","3","1") = "5"
    & skf21("6","5","5","3","5","6","4","1") = "5"
    & skf21("6","5","5","3","5","6","5","1") = "5"
    & skf21("6","5","5","3","5","6","6","1") = "5"
    & skf21("6","5","5","3","5","6","7","1") = "6"
    & skf21("6","5","5","3","5","7","1","1") = "6"
    & skf21("6","5","5","3","5","7","2","1") = "6"
    & skf21("6","5","5","3","5","7","3","1") = "6"
    & skf21("6","5","5","3","5","7","4","1") = "6"
    & skf21("6","5","5","3","5","7","5","1") = "6"
    & skf21("6","5","5","3","5","7","6","1") = "6"
    & skf21("6","5","5","3","5","7","7","1") = "6"
    & skf21("6","5","5","3","6","1","1","1") = "5"
    & skf21("6","5","5","3","6","1","2","1") = "5"
    & skf21("6","5","5","3","6","1","3","1") = "5"
    & skf21("6","5","5","3","6","1","4","1") = "5"
    & skf21("6","5","5","3","6","1","5","1") = "5"
    & skf21("6","5","5","3","6","1","6","1") = "5"
    & skf21("6","5","5","3","6","1","7","1") = "6"
    & skf21("6","5","5","3","6","2","1","1") = "5"
    & skf21("6","5","5","3","6","2","2","1") = "5"
    & skf21("6","5","5","3","6","2","3","1") = "5"
    & skf21("6","5","5","3","6","2","4","1") = "5"
    & skf21("6","5","5","3","6","2","5","1") = "5"
    & skf21("6","5","5","3","6","2","6","1") = "5"
    & skf21("6","5","5","3","6","2","7","1") = "6"
    & skf21("6","5","5","3","6","3","1","1") = "5"
    & skf21("6","5","5","3","6","3","2","1") = "5"
    & skf21("6","5","5","3","6","3","3","1") = "5"
    & skf21("6","5","5","3","6","3","4","1") = "5"
    & skf21("6","5","5","3","6","3","5","1") = "5"
    & skf21("6","5","5","3","6","3","6","1") = "5"
    & skf21("6","5","5","3","6","3","7","1") = "6"
    & skf21("6","5","5","3","6","4","1","1") = "5"
    & skf21("6","5","5","3","6","4","2","1") = "5"
    & skf21("6","5","5","3","6","4","3","1") = "5"
    & skf21("6","5","5","3","6","4","4","1") = "5"
    & skf21("6","5","5","3","6","4","5","1") = "5"
    & skf21("6","5","5","3","6","4","6","1") = "5"
    & skf21("6","5","5","3","6","4","7","1") = "6"
    & skf21("6","5","5","3","6","5","1","1") = "5"
    & skf21("6","5","5","3","6","5","2","1") = "5"
    & skf21("6","5","5","3","6","5","3","1") = "5"
    & skf21("6","5","5","3","6","5","4","1") = "5"
    & skf21("6","5","5","3","6","5","5","1") = "5"
    & skf21("6","5","5","3","6","5","6","1") = "5"
    & skf21("6","5","5","3","6","5","7","1") = "6"
    & skf21("6","5","5","3","6","6","1","1") = "5"
    & skf21("6","5","5","3","6","6","2","1") = "5"
    & skf21("6","5","5","3","6","6","3","1") = "5"
    & skf21("6","5","5","3","6","6","4","1") = "5"
    & skf21("6","5","5","3","6","6","5","1") = "5"
    & skf21("6","5","5","3","6","6","6","1") = "5"
    & skf21("6","5","5","3","6","6","7","1") = "6"
    & skf21("6","5","5","3","6","7","1","1") = "6"
    & skf21("6","5","5","3","6","7","2","1") = "6"
    & skf21("6","5","5","3","6","7","3","1") = "6"
    & skf21("6","5","5","3","6","7","4","1") = "6"
    & skf21("6","5","5","3","6","7","5","1") = "6"
    & skf21("6","5","5","3","6","7","6","1") = "6"
    & skf21("6","5","5","3","6","7","7","1") = "6"
    & skf21("6","5","5","3","7","1","1","1") = "6"
    & skf21("6","5","5","3","7","1","2","1") = "6"
    & skf21("6","5","5","3","7","1","3","1") = "6"
    & skf21("6","5","5","3","7","1","4","1") = "6"
    & skf21("6","5","5","3","7","1","5","1") = "6"
    & skf21("6","5","5","3","7","1","6","1") = "6"
    & skf21("6","5","5","3","7","1","7","1") = "6"
    & skf21("6","5","5","3","7","2","1","1") = "6"
    & skf21("6","5","5","3","7","2","2","1") = "6"
    & skf21("6","5","5","3","7","2","3","1") = "6"
    & skf21("6","5","5","3","7","2","4","1") = "6"
    & skf21("6","5","5","3","7","2","5","1") = "6"
    & skf21("6","5","5","3","7","2","6","1") = "6"
    & skf21("6","5","5","3","7","2","7","1") = "6"
    & skf21("6","5","5","3","7","3","1","1") = "6"
    & skf21("6","5","5","3","7","3","2","1") = "6"
    & skf21("6","5","5","3","7","3","3","1") = "6"
    & skf21("6","5","5","3","7","3","4","1") = "6"
    & skf21("6","5","5","3","7","3","5","1") = "6"
    & skf21("6","5","5","3","7","3","6","1") = "6"
    & skf21("6","5","5","3","7","3","7","1") = "6"
    & skf21("6","5","5","3","7","4","1","1") = "6"
    & skf21("6","5","5","3","7","4","2","1") = "6"
    & skf21("6","5","5","3","7","4","3","1") = "6"
    & skf21("6","5","5","3","7","4","4","1") = "6"
    & skf21("6","5","5","3","7","4","5","1") = "6"
    & skf21("6","5","5","3","7","4","6","1") = "6"
    & skf21("6","5","5","3","7","4","7","1") = "6"
    & skf21("6","5","5","3","7","5","1","1") = "6"
    & skf21("6","5","5","3","7","5","2","1") = "6"
    & skf21("6","5","5","3","7","5","3","1") = "6"
    & skf21("6","5","5","3","7","5","4","1") = "6"
    & skf21("6","5","5","3","7","5","5","1") = "6"
    & skf21("6","5","5","3","7","5","6","1") = "6"
    & skf21("6","5","5","3","7","5","7","1") = "6"
    & skf21("6","5","5","3","7","6","1","1") = "6"
    & skf21("6","5","5","3","7","6","2","1") = "6"
    & skf21("6","5","5","3","7","6","3","1") = "6"
    & skf21("6","5","5","3","7","6","4","1") = "6"
    & skf21("6","5","5","3","7","6","5","1") = "6"
    & skf21("6","5","5","3","7","6","6","1") = "6"
    & skf21("6","5","5","3","7","6","7","1") = "6"
    & skf21("6","5","5","3","7","7","1","1") = "6"
    & skf21("6","5","5","3","7","7","2","1") = "6"
    & skf21("6","5","5","3","7","7","3","1") = "6"
    & skf21("6","5","5","3","7","7","4","1") = "6"
    & skf21("6","5","5","3","7","7","5","1") = "6"
    & skf21("6","5","5","3","7","7","6","1") = "6"
    & skf21("6","5","5","3","7","7","7","1") = "6"
    & skf21("6","5","5","4","1","1","1","1") = "5"
    & skf21("6","5","5","4","1","1","2","1") = "5"
    & skf21("6","5","5","4","1","1","3","1") = "5"
    & skf21("6","5","5","4","1","1","4","1") = "5"
    & skf21("6","5","5","4","1","1","5","1") = "5"
    & skf21("6","5","5","4","1","1","6","1") = "5"
    & skf21("6","5","5","4","1","1","7","1") = "6"
    & skf21("6","5","5","4","1","2","1","1") = "5"
    & skf21("6","5","5","4","1","2","2","1") = "5"
    & skf21("6","5","5","4","1","2","3","1") = "5"
    & skf21("6","5","5","4","1","2","4","1") = "5"
    & skf21("6","5","5","4","1","2","5","1") = "5"
    & skf21("6","5","5","4","1","2","6","1") = "5"
    & skf21("6","5","5","4","1","2","7","1") = "6"
    & skf21("6","5","5","4","1","3","1","1") = "5"
    & skf21("6","5","5","4","1","3","2","1") = "5"
    & skf21("6","5","5","4","1","3","3","1") = "5"
    & skf21("6","5","5","4","1","3","4","1") = "5"
    & skf21("6","5","5","4","1","3","5","1") = "5"
    & skf21("6","5","5","4","1","3","6","1") = "5"
    & skf21("6","5","5","4","1","3","7","1") = "6"
    & skf21("6","5","5","4","1","4","1","1") = "5"
    & skf21("6","5","5","4","1","4","2","1") = "5"
    & skf21("6","5","5","4","1","4","3","1") = "5"
    & skf21("6","5","5","4","1","4","4","1") = "5"
    & skf21("6","5","5","4","1","4","5","1") = "5"
    & skf21("6","5","5","4","1","4","6","1") = "5"
    & skf21("6","5","5","4","1","4","7","1") = "6"
    & skf21("6","5","5","4","1","5","1","1") = "5"
    & skf21("6","5","5","4","1","5","2","1") = "5"
    & skf21("6","5","5","4","1","5","3","1") = "5"
    & skf21("6","5","5","4","1","5","4","1") = "5"
    & skf21("6","5","5","4","1","5","5","1") = "5"
    & skf21("6","5","5","4","1","5","6","1") = "5"
    & skf21("6","5","5","4","1","5","7","1") = "6"
    & skf21("6","5","5","4","1","6","1","1") = "5"
    & skf21("6","5","5","4","1","6","2","1") = "5"
    & skf21("6","5","5","4","1","6","3","1") = "5"
    & skf21("6","5","5","4","1","6","4","1") = "5"
    & skf21("6","5","5","4","1","6","5","1") = "5"
    & skf21("6","5","5","4","1","6","6","1") = "5"
    & skf21("6","5","5","4","1","6","7","1") = "6"
    & skf21("6","5","5","4","1","7","1","1") = "6"
    & skf21("6","5","5","4","1","7","2","1") = "6"
    & skf21("6","5","5","4","1","7","3","1") = "6"
    & skf21("6","5","5","4","1","7","4","1") = "6"
    & skf21("6","5","5","4","1","7","5","1") = "6"
    & skf21("6","5","5","4","1","7","6","1") = "6"
    & skf21("6","5","5","4","1","7","7","1") = "6"
    & skf21("6","5","5","4","2","1","1","1") = "5"
    & skf21("6","5","5","4","2","1","2","1") = "5"
    & skf21("6","5","5","4","2","1","3","1") = "5"
    & skf21("6","5","5","4","2","1","4","1") = "5"
    & skf21("6","5","5","4","2","1","5","1") = "5"
    & skf21("6","5","5","4","2","1","6","1") = "5"
    & skf21("6","5","5","4","2","1","7","1") = "6"
    & skf21("6","5","5","4","2","2","1","1") = "5"
    & skf21("6","5","5","4","2","2","2","1") = "5"
    & skf21("6","5","5","4","2","2","3","1") = "5"
    & skf21("6","5","5","4","2","2","4","1") = "5"
    & skf21("6","5","5","4","2","2","5","1") = "5"
    & skf21("6","5","5","4","2","2","6","1") = "5"
    & skf21("6","5","5","4","2","2","7","1") = "6"
    & skf21("6","5","5","4","2","3","1","1") = "5"
    & skf21("6","5","5","4","2","3","2","1") = "5"
    & skf21("6","5","5","4","2","3","3","1") = "5"
    & skf21("6","5","5","4","2","3","4","1") = "5"
    & skf21("6","5","5","4","2","3","5","1") = "5"
    & skf21("6","5","5","4","2","3","6","1") = "5"
    & skf21("6","5","5","4","2","3","7","1") = "6"
    & skf21("6","5","5","4","2","4","1","1") = "5"
    & skf21("6","5","5","4","2","4","2","1") = "5"
    & skf21("6","5","5","4","2","4","3","1") = "5"
    & skf21("6","5","5","4","2","4","4","1") = "5"
    & skf21("6","5","5","4","2","4","5","1") = "5"
    & skf21("6","5","5","4","2","4","6","1") = "5"
    & skf21("6","5","5","4","2","4","7","1") = "6"
    & skf21("6","5","5","4","2","5","1","1") = "5"
    & skf21("6","5","5","4","2","5","2","1") = "5"
    & skf21("6","5","5","4","2","5","3","1") = "5"
    & skf21("6","5","5","4","2","5","4","1") = "5"
    & skf21("6","5","5","4","2","5","5","1") = "5"
    & skf21("6","5","5","4","2","5","6","1") = "5"
    & skf21("6","5","5","4","2","5","7","1") = "6"
    & skf21("6","5","5","4","2","6","1","1") = "5"
    & skf21("6","5","5","4","2","6","2","1") = "5"
    & skf21("6","5","5","4","2","6","3","1") = "5"
    & skf21("6","5","5","4","2","6","4","1") = "5"
    & skf21("6","5","5","4","2","6","5","1") = "5"
    & skf21("6","5","5","4","2","6","6","1") = "5"
    & skf21("6","5","5","4","2","6","7","1") = "6"
    & skf21("6","5","5","4","2","7","1","1") = "6"
    & skf21("6","5","5","4","2","7","2","1") = "6"
    & skf21("6","5","5","4","2","7","3","1") = "6"
    & skf21("6","5","5","4","2","7","4","1") = "6"
    & skf21("6","5","5","4","2","7","5","1") = "6"
    & skf21("6","5","5","4","2","7","6","1") = "6"
    & skf21("6","5","5","4","2","7","7","1") = "6"
    & skf21("6","5","5","4","3","1","1","1") = "5"
    & skf21("6","5","5","4","3","1","2","1") = "5"
    & skf21("6","5","5","4","3","1","3","1") = "5"
    & skf21("6","5","5","4","3","1","4","1") = "5"
    & skf21("6","5","5","4","3","1","5","1") = "5"
    & skf21("6","5","5","4","3","1","6","1") = "5"
    & skf21("6","5","5","4","3","1","7","1") = "6"
    & skf21("6","5","5","4","3","2","1","1") = "5"
    & skf21("6","5","5","4","3","2","2","1") = "5"
    & skf21("6","5","5","4","3","2","3","1") = "5"
    & skf21("6","5","5","4","3","2","4","1") = "5"
    & skf21("6","5","5","4","3","2","5","1") = "5"
    & skf21("6","5","5","4","3","2","6","1") = "5"
    & skf21("6","5","5","4","3","2","7","1") = "6"
    & skf21("6","5","5","4","3","3","1","1") = "5"
    & skf21("6","5","5","4","3","3","2","1") = "5"
    & skf21("6","5","5","4","3","3","3","1") = "5"
    & skf21("6","5","5","4","3","3","4","1") = "5"
    & skf21("6","5","5","4","3","3","5","1") = "5"
    & skf21("6","5","5","4","3","3","6","1") = "5"
    & skf21("6","5","5","4","3","3","7","1") = "6"
    & skf21("6","5","5","4","3","4","1","1") = "5"
    & skf21("6","5","5","4","3","4","2","1") = "5"
    & skf21("6","5","5","4","3","4","3","1") = "5"
    & skf21("6","5","5","4","3","4","4","1") = "5"
    & skf21("6","5","5","4","3","4","5","1") = "5"
    & skf21("6","5","5","4","3","4","6","1") = "5"
    & skf21("6","5","5","4","3","4","7","1") = "6"
    & skf21("6","5","5","4","3","5","1","1") = "5"
    & skf21("6","5","5","4","3","5","2","1") = "5"
    & skf21("6","5","5","4","3","5","3","1") = "5"
    & skf21("6","5","5","4","3","5","4","1") = "5"
    & skf21("6","5","5","4","3","5","5","1") = "5"
    & skf21("6","5","5","4","3","5","6","1") = "5"
    & skf21("6","5","5","4","3","5","7","1") = "6"
    & skf21("6","5","5","4","3","6","1","1") = "5"
    & skf21("6","5","5","4","3","6","2","1") = "5"
    & skf21("6","5","5","4","3","6","3","1") = "5"
    & skf21("6","5","5","4","3","6","4","1") = "5"
    & skf21("6","5","5","4","3","6","5","1") = "5"
    & skf21("6","5","5","4","3","6","6","1") = "5"
    & skf21("6","5","5","4","3","6","7","1") = "6"
    & skf21("6","5","5","4","3","7","1","1") = "6"
    & skf21("6","5","5","4","3","7","2","1") = "6"
    & skf21("6","5","5","4","3","7","3","1") = "6"
    & skf21("6","5","5","4","3","7","4","1") = "6"
    & skf21("6","5","5","4","3","7","5","1") = "6"
    & skf21("6","5","5","4","3","7","6","1") = "6"
    & skf21("6","5","5","4","3","7","7","1") = "6"
    & skf21("6","5","5","4","4","1","1","1") = "5"
    & skf21("6","5","5","4","4","1","2","1") = "5"
    & skf21("6","5","5","4","4","1","3","1") = "5"
    & skf21("6","5","5","4","4","1","4","1") = "5"
    & skf21("6","5","5","4","4","1","5","1") = "5"
    & skf21("6","5","5","4","4","1","6","1") = "5"
    & skf21("6","5","5","4","4","1","7","1") = "6"
    & skf21("6","5","5","4","4","2","1","1") = "5"
    & skf21("6","5","5","4","4","2","2","1") = "5"
    & skf21("6","5","5","4","4","2","3","1") = "5"
    & skf21("6","5","5","4","4","2","4","1") = "5"
    & skf21("6","5","5","4","4","2","5","1") = "5"
    & skf21("6","5","5","4","4","2","6","1") = "5"
    & skf21("6","5","5","4","4","2","7","1") = "6"
    & skf21("6","5","5","4","4","3","1","1") = "5"
    & skf21("6","5","5","4","4","3","2","1") = "5"
    & skf21("6","5","5","4","4","3","3","1") = "5"
    & skf21("6","5","5","4","4","3","4","1") = "5"
    & skf21("6","5","5","4","4","3","5","1") = "5"
    & skf21("6","5","5","4","4","3","6","1") = "5"
    & skf21("6","5","5","4","4","3","7","1") = "6"
    & skf21("6","5","5","4","4","4","1","1") = "5"
    & skf21("6","5","5","4","4","4","2","1") = "5"
    & skf21("6","5","5","4","4","4","3","1") = "5"
    & skf21("6","5","5","4","4","4","4","1") = "5"
    & skf21("6","5","5","4","4","4","5","1") = "5"
    & skf21("6","5","5","4","4","4","6","1") = "5"
    & skf21("6","5","5","4","4","4","7","1") = "6"
    & skf21("6","5","5","4","4","5","1","1") = "5"
    & skf21("6","5","5","4","4","5","2","1") = "5"
    & skf21("6","5","5","4","4","5","3","1") = "5"
    & skf21("6","5","5","4","4","5","4","1") = "5"
    & skf21("6","5","5","4","4","5","5","1") = "5"
    & skf21("6","5","5","4","4","5","6","1") = "5"
    & skf21("6","5","5","4","4","5","7","1") = "6"
    & skf21("6","5","5","4","4","6","1","1") = "5"
    & skf21("6","5","5","4","4","6","2","1") = "5"
    & skf21("6","5","5","4","4","6","3","1") = "5"
    & skf21("6","5","5","4","4","6","4","1") = "5"
    & skf21("6","5","5","4","4","6","5","1") = "5"
    & skf21("6","5","5","4","4","6","6","1") = "5"
    & skf21("6","5","5","4","4","6","7","1") = "6"
    & skf21("6","5","5","4","4","7","1","1") = "6"
    & skf21("6","5","5","4","4","7","2","1") = "6"
    & skf21("6","5","5","4","4","7","3","1") = "6"
    & skf21("6","5","5","4","4","7","4","1") = "6"
    & skf21("6","5","5","4","4","7","5","1") = "6"
    & skf21("6","5","5","4","4","7","6","1") = "6"
    & skf21("6","5","5","4","4","7","7","1") = "6"
    & skf21("6","5","5","4","5","1","1","1") = "5"
    & skf21("6","5","5","4","5","1","2","1") = "5"
    & skf21("6","5","5","4","5","1","3","1") = "5"
    & skf21("6","5","5","4","5","1","4","1") = "5"
    & skf21("6","5","5","4","5","1","5","1") = "5"
    & skf21("6","5","5","4","5","1","6","1") = "5"
    & skf21("6","5","5","4","5","1","7","1") = "6"
    & skf21("6","5","5","4","5","2","1","1") = "5"
    & skf21("6","5","5","4","5","2","2","1") = "5"
    & skf21("6","5","5","4","5","2","3","1") = "5"
    & skf21("6","5","5","4","5","2","4","1") = "5"
    & skf21("6","5","5","4","5","2","5","1") = "5"
    & skf21("6","5","5","4","5","2","6","1") = "5"
    & skf21("6","5","5","4","5","2","7","1") = "6"
    & skf21("6","5","5","4","5","3","1","1") = "5"
    & skf21("6","5","5","4","5","3","2","1") = "5"
    & skf21("6","5","5","4","5","3","3","1") = "5"
    & skf21("6","5","5","4","5","3","4","1") = "5"
    & skf21("6","5","5","4","5","3","5","1") = "5"
    & skf21("6","5","5","4","5","3","6","1") = "5"
    & skf21("6","5","5","4","5","3","7","1") = "6"
    & skf21("6","5","5","4","5","4","1","1") = "5"
    & skf21("6","5","5","4","5","4","2","1") = "5"
    & skf21("6","5","5","4","5","4","3","1") = "5"
    & skf21("6","5","5","4","5","4","4","1") = "5"
    & skf21("6","5","5","4","5","4","5","1") = "5"
    & skf21("6","5","5","4","5","4","6","1") = "5"
    & skf21("6","5","5","4","5","4","7","1") = "6"
    & skf21("6","5","5","4","5","5","1","1") = "5"
    & skf21("6","5","5","4","5","5","2","1") = "5"
    & skf21("6","5","5","4","5","5","3","1") = "5"
    & skf21("6","5","5","4","5","5","4","1") = "5"
    & skf21("6","5","5","4","5","5","5","1") = "5"
    & skf21("6","5","5","4","5","5","6","1") = "5"
    & skf21("6","5","5","4","5","5","7","1") = "6"
    & skf21("6","5","5","4","5","6","1","1") = "5"
    & skf21("6","5","5","4","5","6","2","1") = "5"
    & skf21("6","5","5","4","5","6","3","1") = "5"
    & skf21("6","5","5","4","5","6","4","1") = "5"
    & skf21("6","5","5","4","5","6","5","1") = "5"
    & skf21("6","5","5","4","5","6","6","1") = "5"
    & skf21("6","5","5","4","5","6","7","1") = "6"
    & skf21("6","5","5","4","5","7","1","1") = "6"
    & skf21("6","5","5","4","5","7","2","1") = "6"
    & skf21("6","5","5","4","5","7","3","1") = "6"
    & skf21("6","5","5","4","5","7","4","1") = "6"
    & skf21("6","5","5","4","5","7","5","1") = "6"
    & skf21("6","5","5","4","5","7","6","1") = "6"
    & skf21("6","5","5","4","5","7","7","1") = "6"
    & skf21("6","5","5","4","6","1","1","1") = "5"
    & skf21("6","5","5","4","6","1","2","1") = "5"
    & skf21("6","5","5","4","6","1","3","1") = "5"
    & skf21("6","5","5","4","6","1","4","1") = "5"
    & skf21("6","5","5","4","6","1","5","1") = "5"
    & skf21("6","5","5","4","6","1","6","1") = "5"
    & skf21("6","5","5","4","6","1","7","1") = "6"
    & skf21("6","5","5","4","6","2","1","1") = "5"
    & skf21("6","5","5","4","6","2","2","1") = "5"
    & skf21("6","5","5","4","6","2","3","1") = "5"
    & skf21("6","5","5","4","6","2","4","1") = "5"
    & skf21("6","5","5","4","6","2","5","1") = "5"
    & skf21("6","5","5","4","6","2","6","1") = "5"
    & skf21("6","5","5","4","6","2","7","1") = "6"
    & skf21("6","5","5","4","6","3","1","1") = "5"
    & skf21("6","5","5","4","6","3","2","1") = "5"
    & skf21("6","5","5","4","6","3","3","1") = "5"
    & skf21("6","5","5","4","6","3","4","1") = "5"
    & skf21("6","5","5","4","6","3","5","1") = "5"
    & skf21("6","5","5","4","6","3","6","1") = "5"
    & skf21("6","5","5","4","6","3","7","1") = "6"
    & skf21("6","5","5","4","6","4","1","1") = "5"
    & skf21("6","5","5","4","6","4","2","1") = "5"
    & skf21("6","5","5","4","6","4","3","1") = "5"
    & skf21("6","5","5","4","6","4","4","1") = "5"
    & skf21("6","5","5","4","6","4","5","1") = "5"
    & skf21("6","5","5","4","6","4","6","1") = "5"
    & skf21("6","5","5","4","6","4","7","1") = "6"
    & skf21("6","5","5","4","6","5","1","1") = "5"
    & skf21("6","5","5","4","6","5","2","1") = "5"
    & skf21("6","5","5","4","6","5","3","1") = "5"
    & skf21("6","5","5","4","6","5","4","1") = "5"
    & skf21("6","5","5","4","6","5","5","1") = "5"
    & skf21("6","5","5","4","6","5","6","1") = "5"
    & skf21("6","5","5","4","6","5","7","1") = "6"
    & skf21("6","5","5","4","6","6","1","1") = "5"
    & skf21("6","5","5","4","6","6","2","1") = "5"
    & skf21("6","5","5","4","6","6","3","1") = "5"
    & skf21("6","5","5","4","6","6","4","1") = "5"
    & skf21("6","5","5","4","6","6","5","1") = "5"
    & skf21("6","5","5","4","6","6","6","1") = "5"
    & skf21("6","5","5","4","6","6","7","1") = "6"
    & skf21("6","5","5","4","6","7","1","1") = "6"
    & skf21("6","5","5","4","6","7","2","1") = "6"
    & skf21("6","5","5","4","6","7","3","1") = "6"
    & skf21("6","5","5","4","6","7","4","1") = "6"
    & skf21("6","5","5","4","6","7","5","1") = "6"
    & skf21("6","5","5","4","6","7","6","1") = "6"
    & skf21("6","5","5","4","6","7","7","1") = "6"
    & skf21("6","5","5","4","7","1","1","1") = "6"
    & skf21("6","5","5","4","7","1","2","1") = "6"
    & skf21("6","5","5","4","7","1","3","1") = "6"
    & skf21("6","5","5","4","7","1","4","1") = "6"
    & skf21("6","5","5","4","7","1","5","1") = "6"
    & skf21("6","5","5","4","7","1","6","1") = "6"
    & skf21("6","5","5","4","7","1","7","1") = "6"
    & skf21("6","5","5","4","7","2","1","1") = "6"
    & skf21("6","5","5","4","7","2","2","1") = "6"
    & skf21("6","5","5","4","7","2","3","1") = "6"
    & skf21("6","5","5","4","7","2","4","1") = "6"
    & skf21("6","5","5","4","7","2","5","1") = "6"
    & skf21("6","5","5","4","7","2","6","1") = "6"
    & skf21("6","5","5","4","7","2","7","1") = "6"
    & skf21("6","5","5","4","7","3","1","1") = "6"
    & skf21("6","5","5","4","7","3","2","1") = "6"
    & skf21("6","5","5","4","7","3","3","1") = "6"
    & skf21("6","5","5","4","7","3","4","1") = "6"
    & skf21("6","5","5","4","7","3","5","1") = "6"
    & skf21("6","5","5","4","7","3","6","1") = "6"
    & skf21("6","5","5","4","7","3","7","1") = "6"
    & skf21("6","5","5","4","7","4","1","1") = "6"
    & skf21("6","5","5","4","7","4","2","1") = "6"
    & skf21("6","5","5","4","7","4","3","1") = "6"
    & skf21("6","5","5","4","7","4","4","1") = "6"
    & skf21("6","5","5","4","7","4","5","1") = "6"
    & skf21("6","5","5","4","7","4","6","1") = "6"
    & skf21("6","5","5","4","7","4","7","1") = "6"
    & skf21("6","5","5","4","7","5","1","1") = "6"
    & skf21("6","5","5","4","7","5","2","1") = "6"
    & skf21("6","5","5","4","7","5","3","1") = "6"
    & skf21("6","5","5","4","7","5","4","1") = "6"
    & skf21("6","5","5","4","7","5","5","1") = "6"
    & skf21("6","5","5","4","7","5","6","1") = "6"
    & skf21("6","5","5","4","7","5","7","1") = "6"
    & skf21("6","5","5","4","7","6","1","1") = "6"
    & skf21("6","5","5","4","7","6","2","1") = "6"
    & skf21("6","5","5","4","7","6","3","1") = "6"
    & skf21("6","5","5","4","7","6","4","1") = "6"
    & skf21("6","5","5","4","7","6","5","1") = "6"
    & skf21("6","5","5","4","7","6","6","1") = "6"
    & skf21("6","5","5","4","7","6","7","1") = "6"
    & skf21("6","5","5","4","7","7","1","1") = "6"
    & skf21("6","5","5","4","7","7","2","1") = "6"
    & skf21("6","5","5","4","7","7","3","1") = "6"
    & skf21("6","5","5","4","7","7","4","1") = "6"
    & skf21("6","5","5","4","7","7","5","1") = "6"
    & skf21("6","5","5","4","7","7","6","1") = "6"
    & skf21("6","5","5","4","7","7","7","1") = "6"
    & skf21("6","5","5","5","1","1","1","1") = "5"
    & skf21("6","5","5","5","1","1","2","1") = "5"
    & skf21("6","5","5","5","1","1","3","1") = "5"
    & skf21("6","5","5","5","1","1","4","1") = "5"
    & skf21("6","5","5","5","1","1","5","1") = "5"
    & skf21("6","5","5","5","1","1","6","1") = "5"
    & skf21("6","5","5","5","1","1","7","1") = "6"
    & skf21("6","5","5","5","1","2","1","1") = "5"
    & skf21("6","5","5","5","1","2","2","1") = "5"
    & skf21("6","5","5","5","1","2","3","1") = "5"
    & skf21("6","5","5","5","1","2","4","1") = "5"
    & skf21("6","5","5","5","1","2","5","1") = "5"
    & skf21("6","5","5","5","1","2","6","1") = "5"
    & skf21("6","5","5","5","1","2","7","1") = "6"
    & skf21("6","5","5","5","1","3","1","1") = "5"
    & skf21("6","5","5","5","1","3","2","1") = "5"
    & skf21("6","5","5","5","1","3","3","1") = "5"
    & skf21("6","5","5","5","1","3","4","1") = "5"
    & skf21("6","5","5","5","1","3","5","1") = "5"
    & skf21("6","5","5","5","1","3","6","1") = "5"
    & skf21("6","5","5","5","1","3","7","1") = "6"
    & skf21("6","5","5","5","1","4","1","1") = "5"
    & skf21("6","5","5","5","1","4","2","1") = "5"
    & skf21("6","5","5","5","1","4","3","1") = "5"
    & skf21("6","5","5","5","1","4","4","1") = "5"
    & skf21("6","5","5","5","1","4","5","1") = "5"
    & skf21("6","5","5","5","1","4","6","1") = "5"
    & skf21("6","5","5","5","1","4","7","1") = "6"
    & skf21("6","5","5","5","1","5","1","1") = "5"
    & skf21("6","5","5","5","1","5","2","1") = "5"
    & skf21("6","5","5","5","1","5","3","1") = "5"
    & skf21("6","5","5","5","1","5","4","1") = "5"
    & skf21("6","5","5","5","1","5","5","1") = "5"
    & skf21("6","5","5","5","1","5","6","1") = "5"
    & skf21("6","5","5","5","1","5","7","1") = "6"
    & skf21("6","5","5","5","1","6","1","1") = "5"
    & skf21("6","5","5","5","1","6","2","1") = "5"
    & skf21("6","5","5","5","1","6","3","1") = "5"
    & skf21("6","5","5","5","1","6","4","1") = "5"
    & skf21("6","5","5","5","1","6","5","1") = "5"
    & skf21("6","5","5","5","1","6","6","1") = "5"
    & skf21("6","5","5","5","1","6","7","1") = "6"
    & skf21("6","5","5","5","1","7","1","1") = "6"
    & skf21("6","5","5","5","1","7","2","1") = "6"
    & skf21("6","5","5","5","1","7","3","1") = "6"
    & skf21("6","5","5","5","1","7","4","1") = "6"
    & skf21("6","5","5","5","1","7","5","1") = "6"
    & skf21("6","5","5","5","1","7","6","1") = "6"
    & skf21("6","5","5","5","1","7","7","1") = "6"
    & skf21("6","5","5","5","2","1","1","1") = "5"
    & skf21("6","5","5","5","2","1","2","1") = "5"
    & skf21("6","5","5","5","2","1","3","1") = "5"
    & skf21("6","5","5","5","2","1","4","1") = "5"
    & skf21("6","5","5","5","2","1","5","1") = "5"
    & skf21("6","5","5","5","2","1","6","1") = "5"
    & skf21("6","5","5","5","2","1","7","1") = "6"
    & skf21("6","5","5","5","2","2","1","1") = "5"
    & skf21("6","5","5","5","2","2","2","1") = "5"
    & skf21("6","5","5","5","2","2","3","1") = "5"
    & skf21("6","5","5","5","2","2","4","1") = "5"
    & skf21("6","5","5","5","2","2","5","1") = "5"
    & skf21("6","5","5","5","2","2","6","1") = "5"
    & skf21("6","5","5","5","2","2","7","1") = "6"
    & skf21("6","5","5","5","2","3","1","1") = "5"
    & skf21("6","5","5","5","2","3","2","1") = "5"
    & skf21("6","5","5","5","2","3","3","1") = "5"
    & skf21("6","5","5","5","2","3","4","1") = "5"
    & skf21("6","5","5","5","2","3","5","1") = "5"
    & skf21("6","5","5","5","2","3","6","1") = "5"
    & skf21("6","5","5","5","2","3","7","1") = "6"
    & skf21("6","5","5","5","2","4","1","1") = "5"
    & skf21("6","5","5","5","2","4","2","1") = "5"
    & skf21("6","5","5","5","2","4","3","1") = "5"
    & skf21("6","5","5","5","2","4","4","1") = "5"
    & skf21("6","5","5","5","2","4","5","1") = "5"
    & skf21("6","5","5","5","2","4","6","1") = "5"
    & skf21("6","5","5","5","2","4","7","1") = "6"
    & skf21("6","5","5","5","2","5","1","1") = "5"
    & skf21("6","5","5","5","2","5","2","1") = "5"
    & skf21("6","5","5","5","2","5","3","1") = "5"
    & skf21("6","5","5","5","2","5","4","1") = "5"
    & skf21("6","5","5","5","2","5","5","1") = "5"
    & skf21("6","5","5","5","2","5","6","1") = "5"
    & skf21("6","5","5","5","2","5","7","1") = "6"
    & skf21("6","5","5","5","2","6","1","1") = "5"
    & skf21("6","5","5","5","2","6","2","1") = "5"
    & skf21("6","5","5","5","2","6","3","1") = "5"
    & skf21("6","5","5","5","2","6","4","1") = "5"
    & skf21("6","5","5","5","2","6","5","1") = "5"
    & skf21("6","5","5","5","2","6","6","1") = "5"
    & skf21("6","5","5","5","2","6","7","1") = "6"
    & skf21("6","5","5","5","2","7","1","1") = "6"
    & skf21("6","5","5","5","2","7","2","1") = "6"
    & skf21("6","5","5","5","2","7","3","1") = "6"
    & skf21("6","5","5","5","2","7","4","1") = "6"
    & skf21("6","5","5","5","2","7","5","1") = "6"
    & skf21("6","5","5","5","2","7","6","1") = "6"
    & skf21("6","5","5","5","2","7","7","1") = "6"
    & skf21("6","5","5","5","3","1","1","1") = "5"
    & skf21("6","5","5","5","3","1","2","1") = "5"
    & skf21("6","5","5","5","3","1","3","1") = "5"
    & skf21("6","5","5","5","3","1","4","1") = "5"
    & skf21("6","5","5","5","3","1","5","1") = "5"
    & skf21("6","5","5","5","3","1","6","1") = "5"
    & skf21("6","5","5","5","3","1","7","1") = "6"
    & skf21("6","5","5","5","3","2","1","1") = "5"
    & skf21("6","5","5","5","3","2","2","1") = "5"
    & skf21("6","5","5","5","3","2","3","1") = "5"
    & skf21("6","5","5","5","3","2","4","1") = "5"
    & skf21("6","5","5","5","3","2","5","1") = "5"
    & skf21("6","5","5","5","3","2","6","1") = "5"
    & skf21("6","5","5","5","3","2","7","1") = "6"
    & skf21("6","5","5","5","3","3","1","1") = "5"
    & skf21("6","5","5","5","3","3","2","1") = "5"
    & skf21("6","5","5","5","3","3","3","1") = "5"
    & skf21("6","5","5","5","3","3","4","1") = "5"
    & skf21("6","5","5","5","3","3","5","1") = "5"
    & skf21("6","5","5","5","3","3","6","1") = "5"
    & skf21("6","5","5","5","3","3","7","1") = "6"
    & skf21("6","5","5","5","3","4","1","1") = "5"
    & skf21("6","5","5","5","3","4","2","1") = "5"
    & skf21("6","5","5","5","3","4","3","1") = "5"
    & skf21("6","5","5","5","3","4","4","1") = "5"
    & skf21("6","5","5","5","3","4","5","1") = "5"
    & skf21("6","5","5","5","3","4","6","1") = "5"
    & skf21("6","5","5","5","3","4","7","1") = "6"
    & skf21("6","5","5","5","3","5","1","1") = "5"
    & skf21("6","5","5","5","3","5","2","1") = "5"
    & skf21("6","5","5","5","3","5","3","1") = "5"
    & skf21("6","5","5","5","3","5","4","1") = "5"
    & skf21("6","5","5","5","3","5","5","1") = "5"
    & skf21("6","5","5","5","3","5","6","1") = "5"
    & skf21("6","5","5","5","3","5","7","1") = "6"
    & skf21("6","5","5","5","3","6","1","1") = "5"
    & skf21("6","5","5","5","3","6","2","1") = "5"
    & skf21("6","5","5","5","3","6","3","1") = "5"
    & skf21("6","5","5","5","3","6","4","1") = "5"
    & skf21("6","5","5","5","3","6","5","1") = "5"
    & skf21("6","5","5","5","3","6","6","1") = "5"
    & skf21("6","5","5","5","3","6","7","1") = "6"
    & skf21("6","5","5","5","3","7","1","1") = "6"
    & skf21("6","5","5","5","3","7","2","1") = "6"
    & skf21("6","5","5","5","3","7","3","1") = "6"
    & skf21("6","5","5","5","3","7","4","1") = "6"
    & skf21("6","5","5","5","3","7","5","1") = "6"
    & skf21("6","5","5","5","3","7","6","1") = "6"
    & skf21("6","5","5","5","3","7","7","1") = "6"
    & skf21("6","5","5","5","4","1","1","1") = "5"
    & skf21("6","5","5","5","4","1","2","1") = "5"
    & skf21("6","5","5","5","4","1","3","1") = "5"
    & skf21("6","5","5","5","4","1","4","1") = "5"
    & skf21("6","5","5","5","4","1","5","1") = "5"
    & skf21("6","5","5","5","4","1","6","1") = "5"
    & skf21("6","5","5","5","4","1","7","1") = "6"
    & skf21("6","5","5","5","4","2","1","1") = "5"
    & skf21("6","5","5","5","4","2","2","1") = "5"
    & skf21("6","5","5","5","4","2","3","1") = "5"
    & skf21("6","5","5","5","4","2","4","1") = "5"
    & skf21("6","5","5","5","4","2","5","1") = "5"
    & skf21("6","5","5","5","4","2","6","1") = "5"
    & skf21("6","5","5","5","4","2","7","1") = "6"
    & skf21("6","5","5","5","4","3","1","1") = "5"
    & skf21("6","5","5","5","4","3","2","1") = "5"
    & skf21("6","5","5","5","4","3","3","1") = "5"
    & skf21("6","5","5","5","4","3","4","1") = "5"
    & skf21("6","5","5","5","4","3","5","1") = "5"
    & skf21("6","5","5","5","4","3","6","1") = "5"
    & skf21("6","5","5","5","4","3","7","1") = "6"
    & skf21("6","5","5","5","4","4","1","1") = "5"
    & skf21("6","5","5","5","4","4","2","1") = "5"
    & skf21("6","5","5","5","4","4","3","1") = "5"
    & skf21("6","5","5","5","4","4","4","1") = "5"
    & skf21("6","5","5","5","4","4","5","1") = "5"
    & skf21("6","5","5","5","4","4","6","1") = "5"
    & skf21("6","5","5","5","4","4","7","1") = "6"
    & skf21("6","5","5","5","4","5","1","1") = "5"
    & skf21("6","5","5","5","4","5","2","1") = "5"
    & skf21("6","5","5","5","4","5","3","1") = "5"
    & skf21("6","5","5","5","4","5","4","1") = "5"
    & skf21("6","5","5","5","4","5","5","1") = "5"
    & skf21("6","5","5","5","4","5","6","1") = "5"
    & skf21("6","5","5","5","4","5","7","1") = "6"
    & skf21("6","5","5","5","4","6","1","1") = "5"
    & skf21("6","5","5","5","4","6","2","1") = "5"
    & skf21("6","5","5","5","4","6","3","1") = "5"
    & skf21("6","5","5","5","4","6","4","1") = "5"
    & skf21("6","5","5","5","4","6","5","1") = "5"
    & skf21("6","5","5","5","4","6","6","1") = "5"
    & skf21("6","5","5","5","4","6","7","1") = "6"
    & skf21("6","5","5","5","4","7","1","1") = "6"
    & skf21("6","5","5","5","4","7","2","1") = "6"
    & skf21("6","5","5","5","4","7","3","1") = "6"
    & skf21("6","5","5","5","4","7","4","1") = "6"
    & skf21("6","5","5","5","4","7","5","1") = "6"
    & skf21("6","5","5","5","4","7","6","1") = "6"
    & skf21("6","5","5","5","4","7","7","1") = "6"
    & skf21("6","5","5","5","5","1","1","1") = "5"
    & skf21("6","5","5","5","5","1","2","1") = "5"
    & skf21("6","5","5","5","5","1","3","1") = "5"
    & skf21("6","5","5","5","5","1","4","1") = "5"
    & skf21("6","5","5","5","5","1","5","1") = "5"
    & skf21("6","5","5","5","5","1","6","1") = "5"
    & skf21("6","5","5","5","5","1","7","1") = "6"
    & skf21("6","5","5","5","5","2","1","1") = "5"
    & skf21("6","5","5","5","5","2","2","1") = "5"
    & skf21("6","5","5","5","5","2","3","1") = "5"
    & skf21("6","5","5","5","5","2","4","1") = "5"
    & skf21("6","5","5","5","5","2","5","1") = "5"
    & skf21("6","5","5","5","5","2","6","1") = "5"
    & skf21("6","5","5","5","5","2","7","1") = "6"
    & skf21("6","5","5","5","5","3","1","1") = "5"
    & skf21("6","5","5","5","5","3","2","1") = "5"
    & skf21("6","5","5","5","5","3","3","1") = "5"
    & skf21("6","5","5","5","5","3","4","1") = "5"
    & skf21("6","5","5","5","5","3","5","1") = "5"
    & skf21("6","5","5","5","5","3","6","1") = "5"
    & skf21("6","5","5","5","5","3","7","1") = "6"
    & skf21("6","5","5","5","5","4","1","1") = "5"
    & skf21("6","5","5","5","5","4","2","1") = "5"
    & skf21("6","5","5","5","5","4","3","1") = "5"
    & skf21("6","5","5","5","5","4","4","1") = "5"
    & skf21("6","5","5","5","5","4","5","1") = "5"
    & skf21("6","5","5","5","5","4","6","1") = "5"
    & skf21("6","5","5","5","5","4","7","1") = "6"
    & skf21("6","5","5","5","5","5","1","1") = "5"
    & skf21("6","5","5","5","5","5","2","1") = "5"
    & skf21("6","5","5","5","5","5","3","1") = "5"
    & skf21("6","5","5","5","5","5","4","1") = "5"
    & skf21("6","5","5","5","5","5","5","1") = "5"
    & skf21("6","5","5","5","5","5","6","1") = "5"
    & skf21("6","5","5","5","5","5","7","1") = "6"
    & skf21("6","5","5","5","5","6","1","1") = "5"
    & skf21("6","5","5","5","5","6","2","1") = "5"
    & skf21("6","5","5","5","5","6","3","1") = "5"
    & skf21("6","5","5","5","5","6","4","1") = "5"
    & skf21("6","5","5","5","5","6","5","1") = "5"
    & skf21("6","5","5","5","5","6","6","1") = "5"
    & skf21("6","5","5","5","5","6","7","1") = "6"
    & skf21("6","5","5","5","5","7","1","1") = "6"
    & skf21("6","5","5","5","5","7","2","1") = "6"
    & skf21("6","5","5","5","5","7","3","1") = "6"
    & skf21("6","5","5","5","5","7","4","1") = "6"
    & skf21("6","5","5","5","5","7","5","1") = "6"
    & skf21("6","5","5","5","5","7","6","1") = "6"
    & skf21("6","5","5","5","5","7","7","1") = "6"
    & skf21("6","5","5","5","6","1","1","1") = "5"
    & skf21("6","5","5","5","6","1","2","1") = "5"
    & skf21("6","5","5","5","6","1","3","1") = "5"
    & skf21("6","5","5","5","6","1","4","1") = "5"
    & skf21("6","5","5","5","6","1","5","1") = "5"
    & skf21("6","5","5","5","6","1","6","1") = "5"
    & skf21("6","5","5","5","6","1","7","1") = "6"
    & skf21("6","5","5","5","6","2","1","1") = "5"
    & skf21("6","5","5","5","6","2","2","1") = "5"
    & skf21("6","5","5","5","6","2","3","1") = "5"
    & skf21("6","5","5","5","6","2","4","1") = "5"
    & skf21("6","5","5","5","6","2","5","1") = "5"
    & skf21("6","5","5","5","6","2","6","1") = "5"
    & skf21("6","5","5","5","6","2","7","1") = "6"
    & skf21("6","5","5","5","6","3","1","1") = "5"
    & skf21("6","5","5","5","6","3","2","1") = "5"
    & skf21("6","5","5","5","6","3","3","1") = "5"
    & skf21("6","5","5","5","6","3","4","1") = "5"
    & skf21("6","5","5","5","6","3","5","1") = "5"
    & skf21("6","5","5","5","6","3","6","1") = "5"
    & skf21("6","5","5","5","6","3","7","1") = "6"
    & skf21("6","5","5","5","6","4","1","1") = "5"
    & skf21("6","5","5","5","6","4","2","1") = "5"
    & skf21("6","5","5","5","6","4","3","1") = "5"
    & skf21("6","5","5","5","6","4","4","1") = "5"
    & skf21("6","5","5","5","6","4","5","1") = "5"
    & skf21("6","5","5","5","6","4","6","1") = "5"
    & skf21("6","5","5","5","6","4","7","1") = "6"
    & skf21("6","5","5","5","6","5","1","1") = "5"
    & skf21("6","5","5","5","6","5","2","1") = "5"
    & skf21("6","5","5","5","6","5","3","1") = "5"
    & skf21("6","5","5","5","6","5","4","1") = "5"
    & skf21("6","5","5","5","6","5","5","1") = "5"
    & skf21("6","5","5","5","6","5","6","1") = "5"
    & skf21("6","5","5","5","6","5","7","1") = "6"
    & skf21("6","5","5","5","6","6","1","1") = "5"
    & skf21("6","5","5","5","6","6","2","1") = "5"
    & skf21("6","5","5","5","6","6","3","1") = "5"
    & skf21("6","5","5","5","6","6","4","1") = "5"
    & skf21("6","5","5","5","6","6","5","1") = "5"
    & skf21("6","5","5","5","6","6","6","1") = "5"
    & skf21("6","5","5","5","6","6","7","1") = "6"
    & skf21("6","5","5","5","6","7","1","1") = "6"
    & skf21("6","5","5","5","6","7","2","1") = "6"
    & skf21("6","5","5","5","6","7","3","1") = "6"
    & skf21("6","5","5","5","6","7","4","1") = "6"
    & skf21("6","5","5","5","6","7","5","1") = "6"
    & skf21("6","5","5","5","6","7","6","1") = "6"
    & skf21("6","5","5","5","6","7","7","1") = "6"
    & skf21("6","5","5","5","7","1","1","1") = "6"
    & skf21("6","5","5","5","7","1","2","1") = "6"
    & skf21("6","5","5","5","7","1","3","1") = "6"
    & skf21("6","5","5","5","7","1","4","1") = "6"
    & skf21("6","5","5","5","7","1","5","1") = "6"
    & skf21("6","5","5","5","7","1","6","1") = "6"
    & skf21("6","5","5","5","7","1","7","1") = "6"
    & skf21("6","5","5","5","7","2","1","1") = "6"
    & skf21("6","5","5","5","7","2","2","1") = "6"
    & skf21("6","5","5","5","7","2","3","1") = "6"
    & skf21("6","5","5","5","7","2","4","1") = "6"
    & skf21("6","5","5","5","7","2","5","1") = "6"
    & skf21("6","5","5","5","7","2","6","1") = "6"
    & skf21("6","5","5","5","7","2","7","1") = "6"
    & skf21("6","5","5","5","7","3","1","1") = "6"
    & skf21("6","5","5","5","7","3","2","1") = "6"
    & skf21("6","5","5","5","7","3","3","1") = "6"
    & skf21("6","5","5","5","7","3","4","1") = "6"
    & skf21("6","5","5","5","7","3","5","1") = "6"
    & skf21("6","5","5","5","7","3","6","1") = "6"
    & skf21("6","5","5","5","7","3","7","1") = "6"
    & skf21("6","5","5","5","7","4","1","1") = "6"
    & skf21("6","5","5","5","7","4","2","1") = "6"
    & skf21("6","5","5","5","7","4","3","1") = "6"
    & skf21("6","5","5","5","7","4","4","1") = "6"
    & skf21("6","5","5","5","7","4","5","1") = "6"
    & skf21("6","5","5","5","7","4","6","1") = "6"
    & skf21("6","5","5","5","7","4","7","1") = "6"
    & skf21("6","5","5","5","7","5","1","1") = "6"
    & skf21("6","5","5","5","7","5","2","1") = "6"
    & skf21("6","5","5","5","7","5","3","1") = "6"
    & skf21("6","5","5","5","7","5","4","1") = "6"
    & skf21("6","5","5","5","7","5","5","1") = "6"
    & skf21("6","5","5","5","7","5","6","1") = "6"
    & skf21("6","5","5","5","7","5","7","1") = "6"
    & skf21("6","5","5","5","7","6","1","1") = "6"
    & skf21("6","5","5","5","7","6","2","1") = "6"
    & skf21("6","5","5","5","7","6","3","1") = "6"
    & skf21("6","5","5","5","7","6","4","1") = "6"
    & skf21("6","5","5","5","7","6","5","1") = "6"
    & skf21("6","5","5","5","7","6","6","1") = "6"
    & skf21("6","5","5","5","7","6","7","1") = "6"
    & skf21("6","5","5","5","7","7","1","1") = "6"
    & skf21("6","5","5","5","7","7","2","1") = "6"
    & skf21("6","5","5","5","7","7","3","1") = "6"
    & skf21("6","5","5","5","7","7","4","1") = "6"
    & skf21("6","5","5","5","7","7","5","1") = "6"
    & skf21("6","5","5","5","7","7","6","1") = "6"
    & skf21("6","5","5","5","7","7","7","1") = "6"
    & skf21("6","5","5","6","1","1","1","1") = "5"
    & skf21("6","5","5","6","1","1","2","1") = "5"
    & skf21("6","5","5","6","1","1","3","1") = "5"
    & skf21("6","5","5","6","1","1","4","1") = "5"
    & skf21("6","5","5","6","1","1","5","1") = "5"
    & skf21("6","5","5","6","1","1","6","1") = "5"
    & skf21("6","5","5","6","1","1","7","1") = "6"
    & skf21("6","5","5","6","1","2","1","1") = "5"
    & skf21("6","5","5","6","1","2","2","1") = "5"
    & skf21("6","5","5","6","1","2","3","1") = "5"
    & skf21("6","5","5","6","1","2","4","1") = "5"
    & skf21("6","5","5","6","1","2","5","1") = "5"
    & skf21("6","5","5","6","1","2","6","1") = "5"
    & skf21("6","5","5","6","1","2","7","1") = "6"
    & skf21("6","5","5","6","1","3","1","1") = "5"
    & skf21("6","5","5","6","1","3","2","1") = "5"
    & skf21("6","5","5","6","1","3","3","1") = "5"
    & skf21("6","5","5","6","1","3","4","1") = "5"
    & skf21("6","5","5","6","1","3","5","1") = "5"
    & skf21("6","5","5","6","1","3","6","1") = "5"
    & skf21("6","5","5","6","1","3","7","1") = "6"
    & skf21("6","5","5","6","1","4","1","1") = "5"
    & skf21("6","5","5","6","1","4","2","1") = "5"
    & skf21("6","5","5","6","1","4","3","1") = "5"
    & skf21("6","5","5","6","1","4","4","1") = "5"
    & skf21("6","5","5","6","1","4","5","1") = "5"
    & skf21("6","5","5","6","1","4","6","1") = "5"
    & skf21("6","5","5","6","1","4","7","1") = "6"
    & skf21("6","5","5","6","1","5","1","1") = "5"
    & skf21("6","5","5","6","1","5","2","1") = "5"
    & skf21("6","5","5","6","1","5","3","1") = "5"
    & skf21("6","5","5","6","1","5","4","1") = "5"
    & skf21("6","5","5","6","1","5","5","1") = "5"
    & skf21("6","5","5","6","1","5","6","1") = "5"
    & skf21("6","5","5","6","1","5","7","1") = "6"
    & skf21("6","5","5","6","1","6","1","1") = "5"
    & skf21("6","5","5","6","1","6","2","1") = "5"
    & skf21("6","5","5","6","1","6","3","1") = "5"
    & skf21("6","5","5","6","1","6","4","1") = "5"
    & skf21("6","5","5","6","1","6","5","1") = "5"
    & skf21("6","5","5","6","1","6","6","1") = "5"
    & skf21("6","5","5","6","1","6","7","1") = "6"
    & skf21("6","5","5","6","1","7","1","1") = "6"
    & skf21("6","5","5","6","1","7","2","1") = "6"
    & skf21("6","5","5","6","1","7","3","1") = "6"
    & skf21("6","5","5","6","1","7","4","1") = "6"
    & skf21("6","5","5","6","1","7","5","1") = "6"
    & skf21("6","5","5","6","1","7","6","1") = "6"
    & skf21("6","5","5","6","1","7","7","1") = "6"
    & skf21("6","5","5","6","2","1","1","1") = "5"
    & skf21("6","5","5","6","2","1","2","1") = "5"
    & skf21("6","5","5","6","2","1","3","1") = "5"
    & skf21("6","5","5","6","2","1","4","1") = "5"
    & skf21("6","5","5","6","2","1","5","1") = "5"
    & skf21("6","5","5","6","2","1","6","1") = "5"
    & skf21("6","5","5","6","2","1","7","1") = "6"
    & skf21("6","5","5","6","2","2","1","1") = "5"
    & skf21("6","5","5","6","2","2","2","1") = "5"
    & skf21("6","5","5","6","2","2","3","1") = "5"
    & skf21("6","5","5","6","2","2","4","1") = "5"
    & skf21("6","5","5","6","2","2","5","1") = "5"
    & skf21("6","5","5","6","2","2","6","1") = "5"
    & skf21("6","5","5","6","2","2","7","1") = "6"
    & skf21("6","5","5","6","2","3","1","1") = "5"
    & skf21("6","5","5","6","2","3","2","1") = "5"
    & skf21("6","5","5","6","2","3","3","1") = "5"
    & skf21("6","5","5","6","2","3","4","1") = "5"
    & skf21("6","5","5","6","2","3","5","1") = "5"
    & skf21("6","5","5","6","2","3","6","1") = "5"
    & skf21("6","5","5","6","2","3","7","1") = "6"
    & skf21("6","5","5","6","2","4","1","1") = "5"
    & skf21("6","5","5","6","2","4","2","1") = "5"
    & skf21("6","5","5","6","2","4","3","1") = "5"
    & skf21("6","5","5","6","2","4","4","1") = "5"
    & skf21("6","5","5","6","2","4","5","1") = "5"
    & skf21("6","5","5","6","2","4","6","1") = "5"
    & skf21("6","5","5","6","2","4","7","1") = "6"
    & skf21("6","5","5","6","2","5","1","1") = "5"
    & skf21("6","5","5","6","2","5","2","1") = "5"
    & skf21("6","5","5","6","2","5","3","1") = "5"
    & skf21("6","5","5","6","2","5","4","1") = "5"
    & skf21("6","5","5","6","2","5","5","1") = "5"
    & skf21("6","5","5","6","2","5","6","1") = "5"
    & skf21("6","5","5","6","2","5","7","1") = "6"
    & skf21("6","5","5","6","2","6","1","1") = "5"
    & skf21("6","5","5","6","2","6","2","1") = "5"
    & skf21("6","5","5","6","2","6","3","1") = "5"
    & skf21("6","5","5","6","2","6","4","1") = "5"
    & skf21("6","5","5","6","2","6","5","1") = "5"
    & skf21("6","5","5","6","2","6","6","1") = "5"
    & skf21("6","5","5","6","2","6","7","1") = "6"
    & skf21("6","5","5","6","2","7","1","1") = "6"
    & skf21("6","5","5","6","2","7","2","1") = "6"
    & skf21("6","5","5","6","2","7","3","1") = "6"
    & skf21("6","5","5","6","2","7","4","1") = "6"
    & skf21("6","5","5","6","2","7","5","1") = "6"
    & skf21("6","5","5","6","2","7","6","1") = "6"
    & skf21("6","5","5","6","2","7","7","1") = "6"
    & skf21("6","5","5","6","3","1","1","1") = "5"
    & skf21("6","5","5","6","3","1","2","1") = "5"
    & skf21("6","5","5","6","3","1","3","1") = "5"
    & skf21("6","5","5","6","3","1","4","1") = "5"
    & skf21("6","5","5","6","3","1","5","1") = "5"
    & skf21("6","5","5","6","3","1","6","1") = "5"
    & skf21("6","5","5","6","3","1","7","1") = "6"
    & skf21("6","5","5","6","3","2","1","1") = "5"
    & skf21("6","5","5","6","3","2","2","1") = "5"
    & skf21("6","5","5","6","3","2","3","1") = "5"
    & skf21("6","5","5","6","3","2","4","1") = "5"
    & skf21("6","5","5","6","3","2","5","1") = "5"
    & skf21("6","5","5","6","3","2","6","1") = "5"
    & skf21("6","5","5","6","3","2","7","1") = "6"
    & skf21("6","5","5","6","3","3","1","1") = "5"
    & skf21("6","5","5","6","3","3","2","1") = "5"
    & skf21("6","5","5","6","3","3","3","1") = "5"
    & skf21("6","5","5","6","3","3","4","1") = "5"
    & skf21("6","5","5","6","3","3","5","1") = "5"
    & skf21("6","5","5","6","3","3","6","1") = "5"
    & skf21("6","5","5","6","3","3","7","1") = "6"
    & skf21("6","5","5","6","3","4","1","1") = "5"
    & skf21("6","5","5","6","3","4","2","1") = "5"
    & skf21("6","5","5","6","3","4","3","1") = "5"
    & skf21("6","5","5","6","3","4","4","1") = "5"
    & skf21("6","5","5","6","3","4","5","1") = "5"
    & skf21("6","5","5","6","3","4","6","1") = "5"
    & skf21("6","5","5","6","3","4","7","1") = "6"
    & skf21("6","5","5","6","3","5","1","1") = "5"
    & skf21("6","5","5","6","3","5","2","1") = "5"
    & skf21("6","5","5","6","3","5","3","1") = "5"
    & skf21("6","5","5","6","3","5","4","1") = "5"
    & skf21("6","5","5","6","3","5","5","1") = "5"
    & skf21("6","5","5","6","3","5","6","1") = "5"
    & skf21("6","5","5","6","3","5","7","1") = "6"
    & skf21("6","5","5","6","3","6","1","1") = "5"
    & skf21("6","5","5","6","3","6","2","1") = "5"
    & skf21("6","5","5","6","3","6","3","1") = "5"
    & skf21("6","5","5","6","3","6","4","1") = "5"
    & skf21("6","5","5","6","3","6","5","1") = "5"
    & skf21("6","5","5","6","3","6","6","1") = "5"
    & skf21("6","5","5","6","3","6","7","1") = "6"
    & skf21("6","5","5","6","3","7","1","1") = "6"
    & skf21("6","5","5","6","3","7","2","1") = "6"
    & skf21("6","5","5","6","3","7","3","1") = "6"
    & skf21("6","5","5","6","3","7","4","1") = "6"
    & skf21("6","5","5","6","3","7","5","1") = "6"
    & skf21("6","5","5","6","3","7","6","1") = "6"
    & skf21("6","5","5","6","3","7","7","1") = "6"
    & skf21("6","5","5","6","4","1","1","1") = "5"
    & skf21("6","5","5","6","4","1","2","1") = "5"
    & skf21("6","5","5","6","4","1","3","1") = "5"
    & skf21("6","5","5","6","4","1","4","1") = "5"
    & skf21("6","5","5","6","4","1","5","1") = "5"
    & skf21("6","5","5","6","4","1","6","1") = "5"
    & skf21("6","5","5","6","4","1","7","1") = "6"
    & skf21("6","5","5","6","4","2","1","1") = "5"
    & skf21("6","5","5","6","4","2","2","1") = "5"
    & skf21("6","5","5","6","4","2","3","1") = "5"
    & skf21("6","5","5","6","4","2","4","1") = "5"
    & skf21("6","5","5","6","4","2","5","1") = "5"
    & skf21("6","5","5","6","4","2","6","1") = "5"
    & skf21("6","5","5","6","4","2","7","1") = "6"
    & skf21("6","5","5","6","4","3","1","1") = "5"
    & skf21("6","5","5","6","4","3","2","1") = "5"
    & skf21("6","5","5","6","4","3","3","1") = "5"
    & skf21("6","5","5","6","4","3","4","1") = "5"
    & skf21("6","5","5","6","4","3","5","1") = "5"
    & skf21("6","5","5","6","4","3","6","1") = "5"
    & skf21("6","5","5","6","4","3","7","1") = "6"
    & skf21("6","5","5","6","4","4","1","1") = "5"
    & skf21("6","5","5","6","4","4","2","1") = "5"
    & skf21("6","5","5","6","4","4","3","1") = "5"
    & skf21("6","5","5","6","4","4","4","1") = "5"
    & skf21("6","5","5","6","4","4","5","1") = "5"
    & skf21("6","5","5","6","4","4","6","1") = "5"
    & skf21("6","5","5","6","4","4","7","1") = "6"
    & skf21("6","5","5","6","4","5","1","1") = "5"
    & skf21("6","5","5","6","4","5","2","1") = "5"
    & skf21("6","5","5","6","4","5","3","1") = "5"
    & skf21("6","5","5","6","4","5","4","1") = "5"
    & skf21("6","5","5","6","4","5","5","1") = "5"
    & skf21("6","5","5","6","4","5","6","1") = "5"
    & skf21("6","5","5","6","4","5","7","1") = "6"
    & skf21("6","5","5","6","4","6","1","1") = "5"
    & skf21("6","5","5","6","4","6","2","1") = "5"
    & skf21("6","5","5","6","4","6","3","1") = "5"
    & skf21("6","5","5","6","4","6","4","1") = "5"
    & skf21("6","5","5","6","4","6","5","1") = "5"
    & skf21("6","5","5","6","4","6","6","1") = "5"
    & skf21("6","5","5","6","4","6","7","1") = "6"
    & skf21("6","5","5","6","4","7","1","1") = "6"
    & skf21("6","5","5","6","4","7","2","1") = "6"
    & skf21("6","5","5","6","4","7","3","1") = "6"
    & skf21("6","5","5","6","4","7","4","1") = "6"
    & skf21("6","5","5","6","4","7","5","1") = "6"
    & skf21("6","5","5","6","4","7","6","1") = "6"
    & skf21("6","5","5","6","4","7","7","1") = "6"
    & skf21("6","5","5","6","5","1","1","1") = "5"
    & skf21("6","5","5","6","5","1","2","1") = "5"
    & skf21("6","5","5","6","5","1","3","1") = "5"
    & skf21("6","5","5","6","5","1","4","1") = "5"
    & skf21("6","5","5","6","5","1","5","1") = "5"
    & skf21("6","5","5","6","5","1","6","1") = "5"
    & skf21("6","5","5","6","5","1","7","1") = "6"
    & skf21("6","5","5","6","5","2","1","1") = "5"
    & skf21("6","5","5","6","5","2","2","1") = "5"
    & skf21("6","5","5","6","5","2","3","1") = "5"
    & skf21("6","5","5","6","5","2","4","1") = "5"
    & skf21("6","5","5","6","5","2","5","1") = "5"
    & skf21("6","5","5","6","5","2","6","1") = "5"
    & skf21("6","5","5","6","5","2","7","1") = "6"
    & skf21("6","5","5","6","5","3","1","1") = "5"
    & skf21("6","5","5","6","5","3","2","1") = "5"
    & skf21("6","5","5","6","5","3","3","1") = "5"
    & skf21("6","5","5","6","5","3","4","1") = "5"
    & skf21("6","5","5","6","5","3","5","1") = "5"
    & skf21("6","5","5","6","5","3","6","1") = "5"
    & skf21("6","5","5","6","5","3","7","1") = "6"
    & skf21("6","5","5","6","5","4","1","1") = "5"
    & skf21("6","5","5","6","5","4","2","1") = "5"
    & skf21("6","5","5","6","5","4","3","1") = "5"
    & skf21("6","5","5","6","5","4","4","1") = "5"
    & skf21("6","5","5","6","5","4","5","1") = "5"
    & skf21("6","5","5","6","5","4","6","1") = "5"
    & skf21("6","5","5","6","5","4","7","1") = "6"
    & skf21("6","5","5","6","5","5","1","1") = "5"
    & skf21("6","5","5","6","5","5","2","1") = "5"
    & skf21("6","5","5","6","5","5","3","1") = "5"
    & skf21("6","5","5","6","5","5","4","1") = "5"
    & skf21("6","5","5","6","5","5","5","1") = "5"
    & skf21("6","5","5","6","5","5","6","1") = "5"
    & skf21("6","5","5","6","5","5","7","1") = "6"
    & skf21("6","5","5","6","5","6","1","1") = "5"
    & skf21("6","5","5","6","5","6","2","1") = "5"
    & skf21("6","5","5","6","5","6","3","1") = "5"
    & skf21("6","5","5","6","5","6","4","1") = "5"
    & skf21("6","5","5","6","5","6","5","1") = "5"
    & skf21("6","5","5","6","5","6","6","1") = "5"
    & skf21("6","5","5","6","5","6","7","1") = "6"
    & skf21("6","5","5","6","5","7","1","1") = "6"
    & skf21("6","5","5","6","5","7","2","1") = "6"
    & skf21("6","5","5","6","5","7","3","1") = "6"
    & skf21("6","5","5","6","5","7","4","1") = "6"
    & skf21("6","5","5","6","5","7","5","1") = "6"
    & skf21("6","5","5","6","5","7","6","1") = "6"
    & skf21("6","5","5","6","5","7","7","1") = "6"
    & skf21("6","5","5","6","6","1","1","1") = "5"
    & skf21("6","5","5","6","6","1","2","1") = "5"
    & skf21("6","5","5","6","6","1","3","1") = "5"
    & skf21("6","5","5","6","6","1","4","1") = "5"
    & skf21("6","5","5","6","6","1","5","1") = "5"
    & skf21("6","5","5","6","6","1","6","1") = "5"
    & skf21("6","5","5","6","6","1","7","1") = "6"
    & skf21("6","5","5","6","6","2","1","1") = "5"
    & skf21("6","5","5","6","6","2","2","1") = "5"
    & skf21("6","5","5","6","6","2","3","1") = "5"
    & skf21("6","5","5","6","6","2","4","1") = "5"
    & skf21("6","5","5","6","6","2","5","1") = "5"
    & skf21("6","5","5","6","6","2","6","1") = "5"
    & skf21("6","5","5","6","6","2","7","1") = "6"
    & skf21("6","5","5","6","6","3","1","1") = "5"
    & skf21("6","5","5","6","6","3","2","1") = "5"
    & skf21("6","5","5","6","6","3","3","1") = "5"
    & skf21("6","5","5","6","6","3","4","1") = "5"
    & skf21("6","5","5","6","6","3","5","1") = "5"
    & skf21("6","5","5","6","6","3","6","1") = "5"
    & skf21("6","5","5","6","6","3","7","1") = "6"
    & skf21("6","5","5","6","6","4","1","1") = "5"
    & skf21("6","5","5","6","6","4","2","1") = "5"
    & skf21("6","5","5","6","6","4","3","1") = "5"
    & skf21("6","5","5","6","6","4","4","1") = "5"
    & skf21("6","5","5","6","6","4","5","1") = "5"
    & skf21("6","5","5","6","6","4","6","1") = "5"
    & skf21("6","5","5","6","6","4","7","1") = "6"
    & skf21("6","5","5","6","6","5","1","1") = "5"
    & skf21("6","5","5","6","6","5","2","1") = "5"
    & skf21("6","5","5","6","6","5","3","1") = "5"
    & skf21("6","5","5","6","6","5","4","1") = "5"
    & skf21("6","5","5","6","6","5","5","1") = "5"
    & skf21("6","5","5","6","6","5","6","1") = "5"
    & skf21("6","5","5","6","6","5","7","1") = "6"
    & skf21("6","5","5","6","6","6","1","1") = "5"
    & skf21("6","5","5","6","6","6","2","1") = "5"
    & skf21("6","5","5","6","6","6","3","1") = "5"
    & skf21("6","5","5","6","6","6","4","1") = "5"
    & skf21("6","5","5","6","6","6","5","1") = "5"
    & skf21("6","5","5","6","6","6","6","1") = "5"
    & skf21("6","5","5","6","6","6","7","1") = "6"
    & skf21("6","5","5","6","6","7","1","1") = "6"
    & skf21("6","5","5","6","6","7","2","1") = "6"
    & skf21("6","5","5","6","6","7","3","1") = "6"
    & skf21("6","5","5","6","6","7","4","1") = "6"
    & skf21("6","5","5","6","6","7","5","1") = "6"
    & skf21("6","5","5","6","6","7","6","1") = "6"
    & skf21("6","5","5","6","6","7","7","1") = "6"
    & skf21("6","5","5","6","7","1","1","1") = "6"
    & skf21("6","5","5","6","7","1","2","1") = "6"
    & skf21("6","5","5","6","7","1","3","1") = "6"
    & skf21("6","5","5","6","7","1","4","1") = "6"
    & skf21("6","5","5","6","7","1","5","1") = "6"
    & skf21("6","5","5","6","7","1","6","1") = "6"
    & skf21("6","5","5","6","7","1","7","1") = "6"
    & skf21("6","5","5","6","7","2","1","1") = "6"
    & skf21("6","5","5","6","7","2","2","1") = "6"
    & skf21("6","5","5","6","7","2","3","1") = "6"
    & skf21("6","5","5","6","7","2","4","1") = "6"
    & skf21("6","5","5","6","7","2","5","1") = "6"
    & skf21("6","5","5","6","7","2","6","1") = "6"
    & skf21("6","5","5","6","7","2","7","1") = "6"
    & skf21("6","5","5","6","7","3","1","1") = "6"
    & skf21("6","5","5","6","7","3","2","1") = "6"
    & skf21("6","5","5","6","7","3","3","1") = "6"
    & skf21("6","5","5","6","7","3","4","1") = "6"
    & skf21("6","5","5","6","7","3","5","1") = "6"
    & skf21("6","5","5","6","7","3","6","1") = "6"
    & skf21("6","5","5","6","7","3","7","1") = "6"
    & skf21("6","5","5","6","7","4","1","1") = "6"
    & skf21("6","5","5","6","7","4","2","1") = "6"
    & skf21("6","5","5","6","7","4","3","1") = "6"
    & skf21("6","5","5","6","7","4","4","1") = "6"
    & skf21("6","5","5","6","7","4","5","1") = "6"
    & skf21("6","5","5","6","7","4","6","1") = "6"
    & skf21("6","5","5","6","7","4","7","1") = "6"
    & skf21("6","5","5","6","7","5","1","1") = "6"
    & skf21("6","5","5","6","7","5","2","1") = "6"
    & skf21("6","5","5","6","7","5","3","1") = "6"
    & skf21("6","5","5","6","7","5","4","1") = "6"
    & skf21("6","5","5","6","7","5","5","1") = "6"
    & skf21("6","5","5","6","7","5","6","1") = "6"
    & skf21("6","5","5","6","7","5","7","1") = "6"
    & skf21("6","5","5","6","7","6","1","1") = "6"
    & skf21("6","5","5","6","7","6","2","1") = "6"
    & skf21("6","5","5","6","7","6","3","1") = "6"
    & skf21("6","5","5","6","7","6","4","1") = "6"
    & skf21("6","5","5","6","7","6","5","1") = "6"
    & skf21("6","5","5","6","7","6","6","1") = "6"
    & skf21("6","5","5","6","7","6","7","1") = "6"
    & skf21("6","5","5","6","7","7","1","1") = "6"
    & skf21("6","5","5","6","7","7","2","1") = "6"
    & skf21("6","5","5","6","7","7","3","1") = "6"
    & skf21("6","5","5","6","7","7","4","1") = "6"
    & skf21("6","5","5","6","7","7","5","1") = "6"
    & skf21("6","5","5","6","7","7","6","1") = "6"
    & skf21("6","5","5","6","7","7","7","1") = "6"
    & skf21("6","5","5","7","1","1","1","1") = "6"
    & skf21("6","5","5","7","1","1","2","1") = "6"
    & skf21("6","5","5","7","1","1","3","1") = "6"
    & skf21("6","5","5","7","1","1","4","1") = "6"
    & skf21("6","5","5","7","1","1","5","1") = "6"
    & skf21("6","5","5","7","1","1","6","1") = "6"
    & skf21("6","5","5","7","1","1","7","1") = "6"
    & skf21("6","5","5","7","1","2","1","1") = "6"
    & skf21("6","5","5","7","1","2","2","1") = "6"
    & skf21("6","5","5","7","1","2","3","1") = "6"
    & skf21("6","5","5","7","1","2","4","1") = "6"
    & skf21("6","5","5","7","1","2","5","1") = "6"
    & skf21("6","5","5","7","1","2","6","1") = "6"
    & skf21("6","5","5","7","1","2","7","1") = "6"
    & skf21("6","5","5","7","1","3","1","1") = "6"
    & skf21("6","5","5","7","1","3","2","1") = "6"
    & skf21("6","5","5","7","1","3","3","1") = "6"
    & skf21("6","5","5","7","1","3","4","1") = "6"
    & skf21("6","5","5","7","1","3","5","1") = "6"
    & skf21("6","5","5","7","1","3","6","1") = "6"
    & skf21("6","5","5","7","1","3","7","1") = "6"
    & skf21("6","5","5","7","1","4","1","1") = "6"
    & skf21("6","5","5","7","1","4","2","1") = "6"
    & skf21("6","5","5","7","1","4","3","1") = "6"
    & skf21("6","5","5","7","1","4","4","1") = "6"
    & skf21("6","5","5","7","1","4","5","1") = "6"
    & skf21("6","5","5","7","1","4","6","1") = "6"
    & skf21("6","5","5","7","1","4","7","1") = "6"
    & skf21("6","5","5","7","1","5","1","1") = "6"
    & skf21("6","5","5","7","1","5","2","1") = "6"
    & skf21("6","5","5","7","1","5","3","1") = "6"
    & skf21("6","5","5","7","1","5","4","1") = "6"
    & skf21("6","5","5","7","1","5","5","1") = "6"
    & skf21("6","5","5","7","1","5","6","1") = "6"
    & skf21("6","5","5","7","1","5","7","1") = "6"
    & skf21("6","5","5","7","1","6","1","1") = "6"
    & skf21("6","5","5","7","1","6","2","1") = "6"
    & skf21("6","5","5","7","1","6","3","1") = "6"
    & skf21("6","5","5","7","1","6","4","1") = "6"
    & skf21("6","5","5","7","1","6","5","1") = "6"
    & skf21("6","5","5","7","1","6","6","1") = "6"
    & skf21("6","5","5","7","1","6","7","1") = "6"
    & skf21("6","5","5","7","1","7","1","1") = "6"
    & skf21("6","5","5","7","1","7","2","1") = "6"
    & skf21("6","5","5","7","1","7","3","1") = "6"
    & skf21("6","5","5","7","1","7","4","1") = "6"
    & skf21("6","5","5","7","1","7","5","1") = "6"
    & skf21("6","5","5","7","1","7","6","1") = "6"
    & skf21("6","5","5","7","1","7","7","1") = "6"
    & skf21("6","5","5","7","2","1","1","1") = "6"
    & skf21("6","5","5","7","2","1","2","1") = "6"
    & skf21("6","5","5","7","2","1","3","1") = "6"
    & skf21("6","5","5","7","2","1","4","1") = "6"
    & skf21("6","5","5","7","2","1","5","1") = "6"
    & skf21("6","5","5","7","2","1","6","1") = "6"
    & skf21("6","5","5","7","2","1","7","1") = "6"
    & skf21("6","5","5","7","2","2","1","1") = "6"
    & skf21("6","5","5","7","2","2","2","1") = "6"
    & skf21("6","5","5","7","2","2","3","1") = "6"
    & skf21("6","5","5","7","2","2","4","1") = "6"
    & skf21("6","5","5","7","2","2","5","1") = "6"
    & skf21("6","5","5","7","2","2","6","1") = "6"
    & skf21("6","5","5","7","2","2","7","1") = "6"
    & skf21("6","5","5","7","2","3","1","1") = "6"
    & skf21("6","5","5","7","2","3","2","1") = "6"
    & skf21("6","5","5","7","2","3","3","1") = "6"
    & skf21("6","5","5","7","2","3","4","1") = "6"
    & skf21("6","5","5","7","2","3","5","1") = "6"
    & skf21("6","5","5","7","2","3","6","1") = "6"
    & skf21("6","5","5","7","2","3","7","1") = "6"
    & skf21("6","5","5","7","2","4","1","1") = "6"
    & skf21("6","5","5","7","2","4","2","1") = "6"
    & skf21("6","5","5","7","2","4","3","1") = "6"
    & skf21("6","5","5","7","2","4","4","1") = "6"
    & skf21("6","5","5","7","2","4","5","1") = "6"
    & skf21("6","5","5","7","2","4","6","1") = "6"
    & skf21("6","5","5","7","2","4","7","1") = "6"
    & skf21("6","5","5","7","2","5","1","1") = "6"
    & skf21("6","5","5","7","2","5","2","1") = "6"
    & skf21("6","5","5","7","2","5","3","1") = "6"
    & skf21("6","5","5","7","2","5","4","1") = "6"
    & skf21("6","5","5","7","2","5","5","1") = "6"
    & skf21("6","5","5","7","2","5","6","1") = "6"
    & skf21("6","5","5","7","2","5","7","1") = "6"
    & skf21("6","5","5","7","2","6","1","1") = "6"
    & skf21("6","5","5","7","2","6","2","1") = "6"
    & skf21("6","5","5","7","2","6","3","1") = "6"
    & skf21("6","5","5","7","2","6","4","1") = "6"
    & skf21("6","5","5","7","2","6","5","1") = "6"
    & skf21("6","5","5","7","2","6","6","1") = "6"
    & skf21("6","5","5","7","2","6","7","1") = "6"
    & skf21("6","5","5","7","2","7","1","1") = "6"
    & skf21("6","5","5","7","2","7","2","1") = "6"
    & skf21("6","5","5","7","2","7","3","1") = "6"
    & skf21("6","5","5","7","2","7","4","1") = "6"
    & skf21("6","5","5","7","2","7","5","1") = "6"
    & skf21("6","5","5","7","2","7","6","1") = "6"
    & skf21("6","5","5","7","2","7","7","1") = "6"
    & skf21("6","5","5","7","3","1","1","1") = "6"
    & skf21("6","5","5","7","3","1","2","1") = "6"
    & skf21("6","5","5","7","3","1","3","1") = "6"
    & skf21("6","5","5","7","3","1","4","1") = "6"
    & skf21("6","5","5","7","3","1","5","1") = "6"
    & skf21("6","5","5","7","3","1","6","1") = "6"
    & skf21("6","5","5","7","3","1","7","1") = "6"
    & skf21("6","5","5","7","3","2","1","1") = "6"
    & skf21("6","5","5","7","3","2","2","1") = "6"
    & skf21("6","5","5","7","3","2","3","1") = "6"
    & skf21("6","5","5","7","3","2","4","1") = "6"
    & skf21("6","5","5","7","3","2","5","1") = "6"
    & skf21("6","5","5","7","3","2","6","1") = "6"
    & skf21("6","5","5","7","3","2","7","1") = "6"
    & skf21("6","5","5","7","3","3","1","1") = "6"
    & skf21("6","5","5","7","3","3","2","1") = "6"
    & skf21("6","5","5","7","3","3","3","1") = "6"
    & skf21("6","5","5","7","3","3","4","1") = "6"
    & skf21("6","5","5","7","3","3","5","1") = "6"
    & skf21("6","5","5","7","3","3","6","1") = "6"
    & skf21("6","5","5","7","3","3","7","1") = "6"
    & skf21("6","5","5","7","3","4","1","1") = "6"
    & skf21("6","5","5","7","3","4","2","1") = "6"
    & skf21("6","5","5","7","3","4","3","1") = "6"
    & skf21("6","5","5","7","3","4","4","1") = "6"
    & skf21("6","5","5","7","3","4","5","1") = "6"
    & skf21("6","5","5","7","3","4","6","1") = "6"
    & skf21("6","5","5","7","3","4","7","1") = "6"
    & skf21("6","5","5","7","3","5","1","1") = "6"
    & skf21("6","5","5","7","3","5","2","1") = "6"
    & skf21("6","5","5","7","3","5","3","1") = "6"
    & skf21("6","5","5","7","3","5","4","1") = "6"
    & skf21("6","5","5","7","3","5","5","1") = "6"
    & skf21("6","5","5","7","3","5","6","1") = "6"
    & skf21("6","5","5","7","3","5","7","1") = "6"
    & skf21("6","5","5","7","3","6","1","1") = "6"
    & skf21("6","5","5","7","3","6","2","1") = "6"
    & skf21("6","5","5","7","3","6","3","1") = "6"
    & skf21("6","5","5","7","3","6","4","1") = "6"
    & skf21("6","5","5","7","3","6","5","1") = "6"
    & skf21("6","5","5","7","3","6","6","1") = "6"
    & skf21("6","5","5","7","3","6","7","1") = "6"
    & skf21("6","5","5","7","3","7","1","1") = "6"
    & skf21("6","5","5","7","3","7","2","1") = "6"
    & skf21("6","5","5","7","3","7","3","1") = "6"
    & skf21("6","5","5","7","3","7","4","1") = "6"
    & skf21("6","5","5","7","3","7","5","1") = "6"
    & skf21("6","5","5","7","3","7","6","1") = "6"
    & skf21("6","5","5","7","3","7","7","1") = "6"
    & skf21("6","5","5","7","4","1","1","1") = "6"
    & skf21("6","5","5","7","4","1","2","1") = "6"
    & skf21("6","5","5","7","4","1","3","1") = "6"
    & skf21("6","5","5","7","4","1","4","1") = "6"
    & skf21("6","5","5","7","4","1","5","1") = "6"
    & skf21("6","5","5","7","4","1","6","1") = "6"
    & skf21("6","5","5","7","4","1","7","1") = "6"
    & skf21("6","5","5","7","4","2","1","1") = "6"
    & skf21("6","5","5","7","4","2","2","1") = "6"
    & skf21("6","5","5","7","4","2","3","1") = "6"
    & skf21("6","5","5","7","4","2","4","1") = "6"
    & skf21("6","5","5","7","4","2","5","1") = "6"
    & skf21("6","5","5","7","4","2","6","1") = "6"
    & skf21("6","5","5","7","4","2","7","1") = "6"
    & skf21("6","5","5","7","4","3","1","1") = "6"
    & skf21("6","5","5","7","4","3","2","1") = "6"
    & skf21("6","5","5","7","4","3","3","1") = "6"
    & skf21("6","5","5","7","4","3","4","1") = "6"
    & skf21("6","5","5","7","4","3","5","1") = "6"
    & skf21("6","5","5","7","4","3","6","1") = "6"
    & skf21("6","5","5","7","4","3","7","1") = "6"
    & skf21("6","5","5","7","4","4","1","1") = "6"
    & skf21("6","5","5","7","4","4","2","1") = "6"
    & skf21("6","5","5","7","4","4","3","1") = "6"
    & skf21("6","5","5","7","4","4","4","1") = "6"
    & skf21("6","5","5","7","4","4","5","1") = "6"
    & skf21("6","5","5","7","4","4","6","1") = "6"
    & skf21("6","5","5","7","4","4","7","1") = "6"
    & skf21("6","5","5","7","4","5","1","1") = "6"
    & skf21("6","5","5","7","4","5","2","1") = "6"
    & skf21("6","5","5","7","4","5","3","1") = "6"
    & skf21("6","5","5","7","4","5","4","1") = "6"
    & skf21("6","5","5","7","4","5","5","1") = "6"
    & skf21("6","5","5","7","4","5","6","1") = "6"
    & skf21("6","5","5","7","4","5","7","1") = "6"
    & skf21("6","5","5","7","4","6","1","1") = "6"
    & skf21("6","5","5","7","4","6","2","1") = "6"
    & skf21("6","5","5","7","4","6","3","1") = "6"
    & skf21("6","5","5","7","4","6","4","1") = "6"
    & skf21("6","5","5","7","4","6","5","1") = "6"
    & skf21("6","5","5","7","4","6","6","1") = "6"
    & skf21("6","5","5","7","4","6","7","1") = "6"
    & skf21("6","5","5","7","4","7","1","1") = "6"
    & skf21("6","5","5","7","4","7","2","1") = "6"
    & skf21("6","5","5","7","4","7","3","1") = "6"
    & skf21("6","5","5","7","4","7","4","1") = "6"
    & skf21("6","5","5","7","4","7","5","1") = "6"
    & skf21("6","5","5","7","4","7","6","1") = "6"
    & skf21("6","5","5","7","4","7","7","1") = "6"
    & skf21("6","5","5","7","5","1","1","1") = "6"
    & skf21("6","5","5","7","5","1","2","1") = "6"
    & skf21("6","5","5","7","5","1","3","1") = "6"
    & skf21("6","5","5","7","5","1","4","1") = "6"
    & skf21("6","5","5","7","5","1","5","1") = "6"
    & skf21("6","5","5","7","5","1","6","1") = "6"
    & skf21("6","5","5","7","5","1","7","1") = "6"
    & skf21("6","5","5","7","5","2","1","1") = "6"
    & skf21("6","5","5","7","5","2","2","1") = "6"
    & skf21("6","5","5","7","5","2","3","1") = "6"
    & skf21("6","5","5","7","5","2","4","1") = "6"
    & skf21("6","5","5","7","5","2","5","1") = "6"
    & skf21("6","5","5","7","5","2","6","1") = "6"
    & skf21("6","5","5","7","5","2","7","1") = "6"
    & skf21("6","5","5","7","5","3","1","1") = "6"
    & skf21("6","5","5","7","5","3","2","1") = "6"
    & skf21("6","5","5","7","5","3","3","1") = "6"
    & skf21("6","5","5","7","5","3","4","1") = "6"
    & skf21("6","5","5","7","5","3","5","1") = "6"
    & skf21("6","5","5","7","5","3","6","1") = "6"
    & skf21("6","5","5","7","5","3","7","1") = "6"
    & skf21("6","5","5","7","5","4","1","1") = "6"
    & skf21("6","5","5","7","5","4","2","1") = "6"
    & skf21("6","5","5","7","5","4","3","1") = "6"
    & skf21("6","5","5","7","5","4","4","1") = "6"
    & skf21("6","5","5","7","5","4","5","1") = "6"
    & skf21("6","5","5","7","5","4","6","1") = "6"
    & skf21("6","5","5","7","5","4","7","1") = "6"
    & skf21("6","5","5","7","5","5","1","1") = "6"
    & skf21("6","5","5","7","5","5","2","1") = "6"
    & skf21("6","5","5","7","5","5","3","1") = "6"
    & skf21("6","5","5","7","5","5","4","1") = "6"
    & skf21("6","5","5","7","5","5","5","1") = "6"
    & skf21("6","5","5","7","5","5","6","1") = "6"
    & skf21("6","5","5","7","5","5","7","1") = "6"
    & skf21("6","5","5","7","5","6","1","1") = "6"
    & skf21("6","5","5","7","5","6","2","1") = "6"
    & skf21("6","5","5","7","5","6","3","1") = "6"
    & skf21("6","5","5","7","5","6","4","1") = "6"
    & skf21("6","5","5","7","5","6","5","1") = "6"
    & skf21("6","5","5","7","5","6","6","1") = "6"
    & skf21("6","5","5","7","5","6","7","1") = "6"
    & skf21("6","5","5","7","5","7","1","1") = "6"
    & skf21("6","5","5","7","5","7","2","1") = "6"
    & skf21("6","5","5","7","5","7","3","1") = "6"
    & skf21("6","5","5","7","5","7","4","1") = "6"
    & skf21("6","5","5","7","5","7","5","1") = "6"
    & skf21("6","5","5","7","5","7","6","1") = "6"
    & skf21("6","5","5","7","5","7","7","1") = "6"
    & skf21("6","5","5","7","6","1","1","1") = "6"
    & skf21("6","5","5","7","6","1","2","1") = "6"
    & skf21("6","5","5","7","6","1","3","1") = "6"
    & skf21("6","5","5","7","6","1","4","1") = "6"
    & skf21("6","5","5","7","6","1","5","1") = "6"
    & skf21("6","5","5","7","6","1","6","1") = "6"
    & skf21("6","5","5","7","6","1","7","1") = "6"
    & skf21("6","5","5","7","6","2","1","1") = "6"
    & skf21("6","5","5","7","6","2","2","1") = "6"
    & skf21("6","5","5","7","6","2","3","1") = "6"
    & skf21("6","5","5","7","6","2","4","1") = "6"
    & skf21("6","5","5","7","6","2","5","1") = "6"
    & skf21("6","5","5","7","6","2","6","1") = "6"
    & skf21("6","5","5","7","6","2","7","1") = "6"
    & skf21("6","5","5","7","6","3","1","1") = "6"
    & skf21("6","5","5","7","6","3","2","1") = "6"
    & skf21("6","5","5","7","6","3","3","1") = "6"
    & skf21("6","5","5","7","6","3","4","1") = "6"
    & skf21("6","5","5","7","6","3","5","1") = "6"
    & skf21("6","5","5","7","6","3","6","1") = "6"
    & skf21("6","5","5","7","6","3","7","1") = "6"
    & skf21("6","5","5","7","6","4","1","1") = "6"
    & skf21("6","5","5","7","6","4","2","1") = "6"
    & skf21("6","5","5","7","6","4","3","1") = "6"
    & skf21("6","5","5","7","6","4","4","1") = "6"
    & skf21("6","5","5","7","6","4","5","1") = "6"
    & skf21("6","5","5","7","6","4","6","1") = "6"
    & skf21("6","5","5","7","6","4","7","1") = "6"
    & skf21("6","5","5","7","6","5","1","1") = "6"
    & skf21("6","5","5","7","6","5","2","1") = "6"
    & skf21("6","5","5","7","6","5","3","1") = "6"
    & skf21("6","5","5","7","6","5","4","1") = "6"
    & skf21("6","5","5","7","6","5","5","1") = "6"
    & skf21("6","5","5","7","6","5","6","1") = "6"
    & skf21("6","5","5","7","6","5","7","1") = "6"
    & skf21("6","5","5","7","6","6","1","1") = "6"
    & skf21("6","5","5","7","6","6","2","1") = "6"
    & skf21("6","5","5","7","6","6","3","1") = "6"
    & skf21("6","5","5","7","6","6","4","1") = "6"
    & skf21("6","5","5","7","6","6","5","1") = "6"
    & skf21("6","5","5","7","6","6","6","1") = "6"
    & skf21("6","5","5","7","6","6","7","1") = "6"
    & skf21("6","5","5","7","6","7","1","1") = "6"
    & skf21("6","5","5","7","6","7","2","1") = "6"
    & skf21("6","5","5","7","6","7","3","1") = "6"
    & skf21("6","5","5","7","6","7","4","1") = "6"
    & skf21("6","5","5","7","6","7","5","1") = "6"
    & skf21("6","5","5","7","6","7","6","1") = "6"
    & skf21("6","5","5","7","6","7","7","1") = "6"
    & skf21("6","5","5","7","7","1","1","1") = "6"
    & skf21("6","5","5","7","7","1","2","1") = "6"
    & skf21("6","5","5","7","7","1","3","1") = "6"
    & skf21("6","5","5","7","7","1","4","1") = "6"
    & skf21("6","5","5","7","7","1","5","1") = "6"
    & skf21("6","5","5","7","7","1","6","1") = "6"
    & skf21("6","5","5","7","7","1","7","1") = "6"
    & skf21("6","5","5","7","7","2","1","1") = "6"
    & skf21("6","5","5","7","7","2","2","1") = "6"
    & skf21("6","5","5","7","7","2","3","1") = "6"
    & skf21("6","5","5","7","7","2","4","1") = "6"
    & skf21("6","5","5","7","7","2","5","1") = "6"
    & skf21("6","5","5","7","7","2","6","1") = "6"
    & skf21("6","5","5","7","7","2","7","1") = "6"
    & skf21("6","5","5","7","7","3","1","1") = "6"
    & skf21("6","5","5","7","7","3","2","1") = "6"
    & skf21("6","5","5","7","7","3","3","1") = "6"
    & skf21("6","5","5","7","7","3","4","1") = "6"
    & skf21("6","5","5","7","7","3","5","1") = "6"
    & skf21("6","5","5","7","7","3","6","1") = "6"
    & skf21("6","5","5","7","7","3","7","1") = "6"
    & skf21("6","5","5","7","7","4","1","1") = "6"
    & skf21("6","5","5","7","7","4","2","1") = "6"
    & skf21("6","5","5","7","7","4","3","1") = "6"
    & skf21("6","5","5","7","7","4","4","1") = "6"
    & skf21("6","5","5","7","7","4","5","1") = "6"
    & skf21("6","5","5","7","7","4","6","1") = "6"
    & skf21("6","5","5","7","7","4","7","1") = "6"
    & skf21("6","5","5","7","7","5","1","1") = "6"
    & skf21("6","5","5","7","7","5","2","1") = "6"
    & skf21("6","5","5","7","7","5","3","1") = "6"
    & skf21("6","5","5","7","7","5","4","1") = "6"
    & skf21("6","5","5","7","7","5","5","1") = "6"
    & skf21("6","5","5","7","7","5","6","1") = "6"
    & skf21("6","5","5","7","7","5","7","1") = "6"
    & skf21("6","5","5","7","7","6","1","1") = "6"
    & skf21("6","5","5","7","7","6","2","1") = "6"
    & skf21("6","5","5","7","7","6","3","1") = "6"
    & skf21("6","5","5","7","7","6","4","1") = "6"
    & skf21("6","5","5","7","7","6","5","1") = "6"
    & skf21("6","5","5","7","7","6","6","1") = "6"
    & skf21("6","5","5","7","7","6","7","1") = "6"
    & skf21("6","5","5","7","7","7","1","1") = "6"
    & skf21("6","5","5","7","7","7","2","1") = "6"
    & skf21("6","5","5","7","7","7","3","1") = "6"
    & skf21("6","5","5","7","7","7","4","1") = "6"
    & skf21("6","5","5","7","7","7","5","1") = "6"
    & skf21("6","5","5","7","7","7","6","1") = "6"
    & skf21("6","5","5","7","7","7","7","1") = "6"
    & skf21("6","5","6","1","1","1","1","1") = "5"
    & skf21("6","5","6","1","1","1","2","1") = "5"
    & skf21("6","5","6","1","1","1","3","1") = "5"
    & skf21("6","5","6","1","1","1","4","1") = "5"
    & skf21("6","5","6","1","1","1","5","1") = "5"
    & skf21("6","5","6","1","1","1","6","1") = "5"
    & skf21("6","5","6","1","1","1","7","1") = "6"
    & skf21("6","5","6","1","1","2","1","1") = "5"
    & skf21("6","5","6","1","1","2","2","1") = "5"
    & skf21("6","5","6","1","1","2","3","1") = "5"
    & skf21("6","5","6","1","1","2","4","1") = "5"
    & skf21("6","5","6","1","1","2","5","1") = "5"
    & skf21("6","5","6","1","1","2","6","1") = "5"
    & skf21("6","5","6","1","1","2","7","1") = "6"
    & skf21("6","5","6","1","1","3","1","1") = "5"
    & skf21("6","5","6","1","1","3","2","1") = "5"
    & skf21("6","5","6","1","1","3","3","1") = "5"
    & skf21("6","5","6","1","1","3","4","1") = "5"
    & skf21("6","5","6","1","1","3","5","1") = "5"
    & skf21("6","5","6","1","1","3","6","1") = "5"
    & skf21("6","5","6","1","1","3","7","1") = "6"
    & skf21("6","5","6","1","1","4","1","1") = "5"
    & skf21("6","5","6","1","1","4","2","1") = "5"
    & skf21("6","5","6","1","1","4","3","1") = "5"
    & skf21("6","5","6","1","1","4","4","1") = "5"
    & skf21("6","5","6","1","1","4","5","1") = "5"
    & skf21("6","5","6","1","1","4","6","1") = "5"
    & skf21("6","5","6","1","1","4","7","1") = "6"
    & skf21("6","5","6","1","1","5","1","1") = "5"
    & skf21("6","5","6","1","1","5","2","1") = "5"
    & skf21("6","5","6","1","1","5","3","1") = "5"
    & skf21("6","5","6","1","1","5","4","1") = "5"
    & skf21("6","5","6","1","1","5","5","1") = "5"
    & skf21("6","5","6","1","1","5","6","1") = "5"
    & skf21("6","5","6","1","1","5","7","1") = "6"
    & skf21("6","5","6","1","1","6","1","1") = "5"
    & skf21("6","5","6","1","1","6","2","1") = "5"
    & skf21("6","5","6","1","1","6","3","1") = "5"
    & skf21("6","5","6","1","1","6","4","1") = "5"
    & skf21("6","5","6","1","1","6","5","1") = "5"
    & skf21("6","5","6","1","1","6","6","1") = "5"
    & skf21("6","5","6","1","1","6","7","1") = "6"
    & skf21("6","5","6","1","1","7","1","1") = "6"
    & skf21("6","5","6","1","1","7","2","1") = "6"
    & skf21("6","5","6","1","1","7","3","1") = "6"
    & skf21("6","5","6","1","1","7","4","1") = "6"
    & skf21("6","5","6","1","1","7","5","1") = "6"
    & skf21("6","5","6","1","1","7","6","1") = "6"
    & skf21("6","5","6","1","1","7","7","1") = "6"
    & skf21("6","5","6","1","2","1","1","1") = "5"
    & skf21("6","5","6","1","2","1","2","1") = "5"
    & skf21("6","5","6","1","2","1","3","1") = "5"
    & skf21("6","5","6","1","2","1","4","1") = "5"
    & skf21("6","5","6","1","2","1","5","1") = "5"
    & skf21("6","5","6","1","2","1","6","1") = "5"
    & skf21("6","5","6","1","2","1","7","1") = "6"
    & skf21("6","5","6","1","2","2","1","1") = "5"
    & skf21("6","5","6","1","2","2","2","1") = "5"
    & skf21("6","5","6","1","2","2","3","1") = "5"
    & skf21("6","5","6","1","2","2","4","1") = "5"
    & skf21("6","5","6","1","2","2","5","1") = "5"
    & skf21("6","5","6","1","2","2","6","1") = "5"
    & skf21("6","5","6","1","2","2","7","1") = "6"
    & skf21("6","5","6","1","2","3","1","1") = "5"
    & skf21("6","5","6","1","2","3","2","1") = "5"
    & skf21("6","5","6","1","2","3","3","1") = "5"
    & skf21("6","5","6","1","2","3","4","1") = "5"
    & skf21("6","5","6","1","2","3","5","1") = "5"
    & skf21("6","5","6","1","2","3","6","1") = "5"
    & skf21("6","5","6","1","2","3","7","1") = "6"
    & skf21("6","5","6","1","2","4","1","1") = "5"
    & skf21("6","5","6","1","2","4","2","1") = "5"
    & skf21("6","5","6","1","2","4","3","1") = "5"
    & skf21("6","5","6","1","2","4","4","1") = "5"
    & skf21("6","5","6","1","2","4","5","1") = "5"
    & skf21("6","5","6","1","2","4","6","1") = "5"
    & skf21("6","5","6","1","2","4","7","1") = "6"
    & skf21("6","5","6","1","2","5","1","1") = "5"
    & skf21("6","5","6","1","2","5","2","1") = "5"
    & skf21("6","5","6","1","2","5","3","1") = "5"
    & skf21("6","5","6","1","2","5","4","1") = "5"
    & skf21("6","5","6","1","2","5","5","1") = "5"
    & skf21("6","5","6","1","2","5","6","1") = "5"
    & skf21("6","5","6","1","2","5","7","1") = "6"
    & skf21("6","5","6","1","2","6","1","1") = "5"
    & skf21("6","5","6","1","2","6","2","1") = "5"
    & skf21("6","5","6","1","2","6","3","1") = "5"
    & skf21("6","5","6","1","2","6","4","1") = "5"
    & skf21("6","5","6","1","2","6","5","1") = "5"
    & skf21("6","5","6","1","2","6","6","1") = "5"
    & skf21("6","5","6","1","2","6","7","1") = "6"
    & skf21("6","5","6","1","2","7","1","1") = "6"
    & skf21("6","5","6","1","2","7","2","1") = "6"
    & skf21("6","5","6","1","2","7","3","1") = "6"
    & skf21("6","5","6","1","2","7","4","1") = "6"
    & skf21("6","5","6","1","2","7","5","1") = "6"
    & skf21("6","5","6","1","2","7","6","1") = "6"
    & skf21("6","5","6","1","2","7","7","1") = "6"
    & skf21("6","5","6","1","3","1","1","1") = "5"
    & skf21("6","5","6","1","3","1","2","1") = "5"
    & skf21("6","5","6","1","3","1","3","1") = "5"
    & skf21("6","5","6","1","3","1","4","1") = "5"
    & skf21("6","5","6","1","3","1","5","1") = "5"
    & skf21("6","5","6","1","3","1","6","1") = "5"
    & skf21("6","5","6","1","3","1","7","1") = "6"
    & skf21("6","5","6","1","3","2","1","1") = "5"
    & skf21("6","5","6","1","3","2","2","1") = "5"
    & skf21("6","5","6","1","3","2","3","1") = "5"
    & skf21("6","5","6","1","3","2","4","1") = "5"
    & skf21("6","5","6","1","3","2","5","1") = "5"
    & skf21("6","5","6","1","3","2","6","1") = "5"
    & skf21("6","5","6","1","3","2","7","1") = "6"
    & skf21("6","5","6","1","3","3","1","1") = "5"
    & skf21("6","5","6","1","3","3","2","1") = "5"
    & skf21("6","5","6","1","3","3","3","1") = "5"
    & skf21("6","5","6","1","3","3","4","1") = "5"
    & skf21("6","5","6","1","3","3","5","1") = "5"
    & skf21("6","5","6","1","3","3","6","1") = "5"
    & skf21("6","5","6","1","3","3","7","1") = "6"
    & skf21("6","5","6","1","3","4","1","1") = "5"
    & skf21("6","5","6","1","3","4","2","1") = "5"
    & skf21("6","5","6","1","3","4","3","1") = "5"
    & skf21("6","5","6","1","3","4","4","1") = "5"
    & skf21("6","5","6","1","3","4","5","1") = "5"
    & skf21("6","5","6","1","3","4","6","1") = "5"
    & skf21("6","5","6","1","3","4","7","1") = "6"
    & skf21("6","5","6","1","3","5","1","1") = "5"
    & skf21("6","5","6","1","3","5","2","1") = "5"
    & skf21("6","5","6","1","3","5","3","1") = "5"
    & skf21("6","5","6","1","3","5","4","1") = "5"
    & skf21("6","5","6","1","3","5","5","1") = "5"
    & skf21("6","5","6","1","3","5","6","1") = "5"
    & skf21("6","5","6","1","3","5","7","1") = "6"
    & skf21("6","5","6","1","3","6","1","1") = "5"
    & skf21("6","5","6","1","3","6","2","1") = "5"
    & skf21("6","5","6","1","3","6","3","1") = "5"
    & skf21("6","5","6","1","3","6","4","1") = "5"
    & skf21("6","5","6","1","3","6","5","1") = "5"
    & skf21("6","5","6","1","3","6","6","1") = "5"
    & skf21("6","5","6","1","3","6","7","1") = "6"
    & skf21("6","5","6","1","3","7","1","1") = "6"
    & skf21("6","5","6","1","3","7","2","1") = "6"
    & skf21("6","5","6","1","3","7","3","1") = "6"
    & skf21("6","5","6","1","3","7","4","1") = "6"
    & skf21("6","5","6","1","3","7","5","1") = "6"
    & skf21("6","5","6","1","3","7","6","1") = "6"
    & skf21("6","5","6","1","3","7","7","1") = "6"
    & skf21("6","5","6","1","4","1","1","1") = "5"
    & skf21("6","5","6","1","4","1","2","1") = "5"
    & skf21("6","5","6","1","4","1","3","1") = "5"
    & skf21("6","5","6","1","4","1","4","1") = "5"
    & skf21("6","5","6","1","4","1","5","1") = "5"
    & skf21("6","5","6","1","4","1","6","1") = "5"
    & skf21("6","5","6","1","4","1","7","1") = "6"
    & skf21("6","5","6","1","4","2","1","1") = "5"
    & skf21("6","5","6","1","4","2","2","1") = "5"
    & skf21("6","5","6","1","4","2","3","1") = "5"
    & skf21("6","5","6","1","4","2","4","1") = "5"
    & skf21("6","5","6","1","4","2","5","1") = "5"
    & skf21("6","5","6","1","4","2","6","1") = "5"
    & skf21("6","5","6","1","4","2","7","1") = "6"
    & skf21("6","5","6","1","4","3","1","1") = "5"
    & skf21("6","5","6","1","4","3","2","1") = "5"
    & skf21("6","5","6","1","4","3","3","1") = "5"
    & skf21("6","5","6","1","4","3","4","1") = "5"
    & skf21("6","5","6","1","4","3","5","1") = "5"
    & skf21("6","5","6","1","4","3","6","1") = "5"
    & skf21("6","5","6","1","4","3","7","1") = "6"
    & skf21("6","5","6","1","4","4","1","1") = "5"
    & skf21("6","5","6","1","4","4","2","1") = "5"
    & skf21("6","5","6","1","4","4","3","1") = "5"
    & skf21("6","5","6","1","4","4","4","1") = "5"
    & skf21("6","5","6","1","4","4","5","1") = "5"
    & skf21("6","5","6","1","4","4","6","1") = "5"
    & skf21("6","5","6","1","4","4","7","1") = "6"
    & skf21("6","5","6","1","4","5","1","1") = "5"
    & skf21("6","5","6","1","4","5","2","1") = "5"
    & skf21("6","5","6","1","4","5","3","1") = "5"
    & skf21("6","5","6","1","4","5","4","1") = "5"
    & skf21("6","5","6","1","4","5","5","1") = "5"
    & skf21("6","5","6","1","4","5","6","1") = "5"
    & skf21("6","5","6","1","4","5","7","1") = "6"
    & skf21("6","5","6","1","4","6","1","1") = "5"
    & skf21("6","5","6","1","4","6","2","1") = "5"
    & skf21("6","5","6","1","4","6","3","1") = "5"
    & skf21("6","5","6","1","4","6","4","1") = "5"
    & skf21("6","5","6","1","4","6","5","1") = "5"
    & skf21("6","5","6","1","4","6","6","1") = "5"
    & skf21("6","5","6","1","4","6","7","1") = "6"
    & skf21("6","5","6","1","4","7","1","1") = "6"
    & skf21("6","5","6","1","4","7","2","1") = "6"
    & skf21("6","5","6","1","4","7","3","1") = "6"
    & skf21("6","5","6","1","4","7","4","1") = "6"
    & skf21("6","5","6","1","4","7","5","1") = "6"
    & skf21("6","5","6","1","4","7","6","1") = "6"
    & skf21("6","5","6","1","4","7","7","1") = "6"
    & skf21("6","5","6","1","5","1","1","1") = "5"
    & skf21("6","5","6","1","5","1","2","1") = "5"
    & skf21("6","5","6","1","5","1","3","1") = "5"
    & skf21("6","5","6","1","5","1","4","1") = "5"
    & skf21("6","5","6","1","5","1","5","1") = "5"
    & skf21("6","5","6","1","5","1","6","1") = "5"
    & skf21("6","5","6","1","5","1","7","1") = "6"
    & skf21("6","5","6","1","5","2","1","1") = "5"
    & skf21("6","5","6","1","5","2","2","1") = "5"
    & skf21("6","5","6","1","5","2","3","1") = "5"
    & skf21("6","5","6","1","5","2","4","1") = "5"
    & skf21("6","5","6","1","5","2","5","1") = "5"
    & skf21("6","5","6","1","5","2","6","1") = "5"
    & skf21("6","5","6","1","5","2","7","1") = "6"
    & skf21("6","5","6","1","5","3","1","1") = "5"
    & skf21("6","5","6","1","5","3","2","1") = "5"
    & skf21("6","5","6","1","5","3","3","1") = "5"
    & skf21("6","5","6","1","5","3","4","1") = "5"
    & skf21("6","5","6","1","5","3","5","1") = "5"
    & skf21("6","5","6","1","5","3","6","1") = "5"
    & skf21("6","5","6","1","5","3","7","1") = "6"
    & skf21("6","5","6","1","5","4","1","1") = "5"
    & skf21("6","5","6","1","5","4","2","1") = "5"
    & skf21("6","5","6","1","5","4","3","1") = "5"
    & skf21("6","5","6","1","5","4","4","1") = "5"
    & skf21("6","5","6","1","5","4","5","1") = "5"
    & skf21("6","5","6","1","5","4","6","1") = "5"
    & skf21("6","5","6","1","5","4","7","1") = "6"
    & skf21("6","5","6","1","5","5","1","1") = "5"
    & skf21("6","5","6","1","5","5","2","1") = "5"
    & skf21("6","5","6","1","5","5","3","1") = "5"
    & skf21("6","5","6","1","5","5","4","1") = "5"
    & skf21("6","5","6","1","5","5","5","1") = "5"
    & skf21("6","5","6","1","5","5","6","1") = "5"
    & skf21("6","5","6","1","5","5","7","1") = "6"
    & skf21("6","5","6","1","5","6","1","1") = "5"
    & skf21("6","5","6","1","5","6","2","1") = "5"
    & skf21("6","5","6","1","5","6","3","1") = "5"
    & skf21("6","5","6","1","5","6","4","1") = "5"
    & skf21("6","5","6","1","5","6","5","1") = "5"
    & skf21("6","5","6","1","5","6","6","1") = "5"
    & skf21("6","5","6","1","5","6","7","1") = "6"
    & skf21("6","5","6","1","5","7","1","1") = "6"
    & skf21("6","5","6","1","5","7","2","1") = "6"
    & skf21("6","5","6","1","5","7","3","1") = "6"
    & skf21("6","5","6","1","5","7","4","1") = "6"
    & skf21("6","5","6","1","5","7","5","1") = "6"
    & skf21("6","5","6","1","5","7","6","1") = "6"
    & skf21("6","5","6","1","5","7","7","1") = "6"
    & skf21("6","5","6","1","6","1","1","1") = "5"
    & skf21("6","5","6","1","6","1","2","1") = "5"
    & skf21("6","5","6","1","6","1","3","1") = "5"
    & skf21("6","5","6","1","6","1","4","1") = "5"
    & skf21("6","5","6","1","6","1","5","1") = "5"
    & skf21("6","5","6","1","6","1","6","1") = "5"
    & skf21("6","5","6","1","6","1","7","1") = "6"
    & skf21("6","5","6","1","6","2","1","1") = "5"
    & skf21("6","5","6","1","6","2","2","1") = "5"
    & skf21("6","5","6","1","6","2","3","1") = "5"
    & skf21("6","5","6","1","6","2","4","1") = "5"
    & skf21("6","5","6","1","6","2","5","1") = "5"
    & skf21("6","5","6","1","6","2","6","1") = "5"
    & skf21("6","5","6","1","6","2","7","1") = "6"
    & skf21("6","5","6","1","6","3","1","1") = "5"
    & skf21("6","5","6","1","6","3","2","1") = "5"
    & skf21("6","5","6","1","6","3","3","1") = "5"
    & skf21("6","5","6","1","6","3","4","1") = "5"
    & skf21("6","5","6","1","6","3","5","1") = "5"
    & skf21("6","5","6","1","6","3","6","1") = "5"
    & skf21("6","5","6","1","6","3","7","1") = "6"
    & skf21("6","5","6","1","6","4","1","1") = "5"
    & skf21("6","5","6","1","6","4","2","1") = "5"
    & skf21("6","5","6","1","6","4","3","1") = "5"
    & skf21("6","5","6","1","6","4","4","1") = "5"
    & skf21("6","5","6","1","6","4","5","1") = "5"
    & skf21("6","5","6","1","6","4","6","1") = "5"
    & skf21("6","5","6","1","6","4","7","1") = "6"
    & skf21("6","5","6","1","6","5","1","1") = "5"
    & skf21("6","5","6","1","6","5","2","1") = "5"
    & skf21("6","5","6","1","6","5","3","1") = "5"
    & skf21("6","5","6","1","6","5","4","1") = "5"
    & skf21("6","5","6","1","6","5","5","1") = "5"
    & skf21("6","5","6","1","6","5","6","1") = "5"
    & skf21("6","5","6","1","6","5","7","1") = "6"
    & skf21("6","5","6","1","6","6","1","1") = "5"
    & skf21("6","5","6","1","6","6","2","1") = "5"
    & skf21("6","5","6","1","6","6","3","1") = "5"
    & skf21("6","5","6","1","6","6","4","1") = "5"
    & skf21("6","5","6","1","6","6","5","1") = "5"
    & skf21("6","5","6","1","6","6","6","1") = "5"
    & skf21("6","5","6","1","6","6","7","1") = "6"
    & skf21("6","5","6","1","6","7","1","1") = "6"
    & skf21("6","5","6","1","6","7","2","1") = "6"
    & skf21("6","5","6","1","6","7","3","1") = "6"
    & skf21("6","5","6","1","6","7","4","1") = "6"
    & skf21("6","5","6","1","6","7","5","1") = "6"
    & skf21("6","5","6","1","6","7","6","1") = "6"
    & skf21("6","5","6","1","6","7","7","1") = "6"
    & skf21("6","5","6","1","7","1","1","1") = "6"
    & skf21("6","5","6","1","7","1","2","1") = "6"
    & skf21("6","5","6","1","7","1","3","1") = "6"
    & skf21("6","5","6","1","7","1","4","1") = "6"
    & skf21("6","5","6","1","7","1","5","1") = "6"
    & skf21("6","5","6","1","7","1","6","1") = "6"
    & skf21("6","5","6","1","7","1","7","1") = "6"
    & skf21("6","5","6","1","7","2","1","1") = "6"
    & skf21("6","5","6","1","7","2","2","1") = "6"
    & skf21("6","5","6","1","7","2","3","1") = "6"
    & skf21("6","5","6","1","7","2","4","1") = "6"
    & skf21("6","5","6","1","7","2","5","1") = "6"
    & skf21("6","5","6","1","7","2","6","1") = "6"
    & skf21("6","5","6","1","7","2","7","1") = "6"
    & skf21("6","5","6","1","7","3","1","1") = "6"
    & skf21("6","5","6","1","7","3","2","1") = "6"
    & skf21("6","5","6","1","7","3","3","1") = "6"
    & skf21("6","5","6","1","7","3","4","1") = "6"
    & skf21("6","5","6","1","7","3","5","1") = "6"
    & skf21("6","5","6","1","7","3","6","1") = "6"
    & skf21("6","5","6","1","7","3","7","1") = "6"
    & skf21("6","5","6","1","7","4","1","1") = "6"
    & skf21("6","5","6","1","7","4","2","1") = "6"
    & skf21("6","5","6","1","7","4","3","1") = "6"
    & skf21("6","5","6","1","7","4","4","1") = "6"
    & skf21("6","5","6","1","7","4","5","1") = "6"
    & skf21("6","5","6","1","7","4","6","1") = "6"
    & skf21("6","5","6","1","7","4","7","1") = "6"
    & skf21("6","5","6","1","7","5","1","1") = "6"
    & skf21("6","5","6","1","7","5","2","1") = "6"
    & skf21("6","5","6","1","7","5","3","1") = "6"
    & skf21("6","5","6","1","7","5","4","1") = "6"
    & skf21("6","5","6","1","7","5","5","1") = "6"
    & skf21("6","5","6","1","7","5","6","1") = "6"
    & skf21("6","5","6","1","7","5","7","1") = "6"
    & skf21("6","5","6","1","7","6","1","1") = "6"
    & skf21("6","5","6","1","7","6","2","1") = "6"
    & skf21("6","5","6","1","7","6","3","1") = "6"
    & skf21("6","5","6","1","7","6","4","1") = "6"
    & skf21("6","5","6","1","7","6","5","1") = "6"
    & skf21("6","5","6","1","7","6","6","1") = "6"
    & skf21("6","5","6","1","7","6","7","1") = "6"
    & skf21("6","5","6","1","7","7","1","1") = "6"
    & skf21("6","5","6","1","7","7","2","1") = "6"
    & skf21("6","5","6","1","7","7","3","1") = "6"
    & skf21("6","5","6","1","7","7","4","1") = "6"
    & skf21("6","5","6","1","7","7","5","1") = "6"
    & skf21("6","5","6","1","7","7","6","1") = "6"
    & skf21("6","5","6","1","7","7","7","1") = "6"
    & skf21("6","5","6","2","1","1","1","1") = "5"
    & skf21("6","5","6","2","1","1","2","1") = "5"
    & skf21("6","5","6","2","1","1","3","1") = "5"
    & skf21("6","5","6","2","1","1","4","1") = "5"
    & skf21("6","5","6","2","1","1","5","1") = "5"
    & skf21("6","5","6","2","1","1","6","1") = "5"
    & skf21("6","5","6","2","1","1","7","1") = "6"
    & skf21("6","5","6","2","1","2","1","1") = "5"
    & skf21("6","5","6","2","1","2","2","1") = "5"
    & skf21("6","5","6","2","1","2","3","1") = "5"
    & skf21("6","5","6","2","1","2","4","1") = "5"
    & skf21("6","5","6","2","1","2","5","1") = "5"
    & skf21("6","5","6","2","1","2","6","1") = "5"
    & skf21("6","5","6","2","1","2","7","1") = "6"
    & skf21("6","5","6","2","1","3","1","1") = "5"
    & skf21("6","5","6","2","1","3","2","1") = "5"
    & skf21("6","5","6","2","1","3","3","1") = "5"
    & skf21("6","5","6","2","1","3","4","1") = "5"
    & skf21("6","5","6","2","1","3","5","1") = "5"
    & skf21("6","5","6","2","1","3","6","1") = "5"
    & skf21("6","5","6","2","1","3","7","1") = "6"
    & skf21("6","5","6","2","1","4","1","1") = "5"
    & skf21("6","5","6","2","1","4","2","1") = "5"
    & skf21("6","5","6","2","1","4","3","1") = "5"
    & skf21("6","5","6","2","1","4","4","1") = "5"
    & skf21("6","5","6","2","1","4","5","1") = "5"
    & skf21("6","5","6","2","1","4","6","1") = "5"
    & skf21("6","5","6","2","1","4","7","1") = "6"
    & skf21("6","5","6","2","1","5","1","1") = "5"
    & skf21("6","5","6","2","1","5","2","1") = "5"
    & skf21("6","5","6","2","1","5","3","1") = "5"
    & skf21("6","5","6","2","1","5","4","1") = "5"
    & skf21("6","5","6","2","1","5","5","1") = "5"
    & skf21("6","5","6","2","1","5","6","1") = "5"
    & skf21("6","5","6","2","1","5","7","1") = "6"
    & skf21("6","5","6","2","1","6","1","1") = "5"
    & skf21("6","5","6","2","1","6","2","1") = "5"
    & skf21("6","5","6","2","1","6","3","1") = "5"
    & skf21("6","5","6","2","1","6","4","1") = "5"
    & skf21("6","5","6","2","1","6","5","1") = "5"
    & skf21("6","5","6","2","1","6","6","1") = "5"
    & skf21("6","5","6","2","1","6","7","1") = "6"
    & skf21("6","5","6","2","1","7","1","1") = "6"
    & skf21("6","5","6","2","1","7","2","1") = "6"
    & skf21("6","5","6","2","1","7","3","1") = "6"
    & skf21("6","5","6","2","1","7","4","1") = "6"
    & skf21("6","5","6","2","1","7","5","1") = "6"
    & skf21("6","5","6","2","1","7","6","1") = "6"
    & skf21("6","5","6","2","1","7","7","1") = "6"
    & skf21("6","5","6","2","2","1","1","1") = "5"
    & skf21("6","5","6","2","2","1","2","1") = "5"
    & skf21("6","5","6","2","2","1","3","1") = "5"
    & skf21("6","5","6","2","2","1","4","1") = "5"
    & skf21("6","5","6","2","2","1","5","1") = "5"
    & skf21("6","5","6","2","2","1","6","1") = "5"
    & skf21("6","5","6","2","2","1","7","1") = "6"
    & skf21("6","5","6","2","2","2","1","1") = "5"
    & skf21("6","5","6","2","2","2","2","1") = "5"
    & skf21("6","5","6","2","2","2","3","1") = "5"
    & skf21("6","5","6","2","2","2","4","1") = "5"
    & skf21("6","5","6","2","2","2","5","1") = "5"
    & skf21("6","5","6","2","2","2","6","1") = "5"
    & skf21("6","5","6","2","2","2","7","1") = "6"
    & skf21("6","5","6","2","2","3","1","1") = "5"
    & skf21("6","5","6","2","2","3","2","1") = "5"
    & skf21("6","5","6","2","2","3","3","1") = "5"
    & skf21("6","5","6","2","2","3","4","1") = "5"
    & skf21("6","5","6","2","2","3","5","1") = "5"
    & skf21("6","5","6","2","2","3","6","1") = "5"
    & skf21("6","5","6","2","2","3","7","1") = "6"
    & skf21("6","5","6","2","2","4","1","1") = "5"
    & skf21("6","5","6","2","2","4","2","1") = "5"
    & skf21("6","5","6","2","2","4","3","1") = "5"
    & skf21("6","5","6","2","2","4","4","1") = "5"
    & skf21("6","5","6","2","2","4","5","1") = "5"
    & skf21("6","5","6","2","2","4","6","1") = "5"
    & skf21("6","5","6","2","2","4","7","1") = "6"
    & skf21("6","5","6","2","2","5","1","1") = "5"
    & skf21("6","5","6","2","2","5","2","1") = "5"
    & skf21("6","5","6","2","2","5","3","1") = "5"
    & skf21("6","5","6","2","2","5","4","1") = "5"
    & skf21("6","5","6","2","2","5","5","1") = "5"
    & skf21("6","5","6","2","2","5","6","1") = "5"
    & skf21("6","5","6","2","2","5","7","1") = "6"
    & skf21("6","5","6","2","2","6","1","1") = "5"
    & skf21("6","5","6","2","2","6","2","1") = "5"
    & skf21("6","5","6","2","2","6","3","1") = "5"
    & skf21("6","5","6","2","2","6","4","1") = "5"
    & skf21("6","5","6","2","2","6","5","1") = "5"
    & skf21("6","5","6","2","2","6","6","1") = "5"
    & skf21("6","5","6","2","2","6","7","1") = "6"
    & skf21("6","5","6","2","2","7","1","1") = "6"
    & skf21("6","5","6","2","2","7","2","1") = "6"
    & skf21("6","5","6","2","2","7","3","1") = "6"
    & skf21("6","5","6","2","2","7","4","1") = "6"
    & skf21("6","5","6","2","2","7","5","1") = "6"
    & skf21("6","5","6","2","2","7","6","1") = "6"
    & skf21("6","5","6","2","2","7","7","1") = "6"
    & skf21("6","5","6","2","3","1","1","1") = "5"
    & skf21("6","5","6","2","3","1","2","1") = "5"
    & skf21("6","5","6","2","3","1","3","1") = "5"
    & skf21("6","5","6","2","3","1","4","1") = "5"
    & skf21("6","5","6","2","3","1","5","1") = "5"
    & skf21("6","5","6","2","3","1","6","1") = "5"
    & skf21("6","5","6","2","3","1","7","1") = "6"
    & skf21("6","5","6","2","3","2","1","1") = "5"
    & skf21("6","5","6","2","3","2","2","1") = "5"
    & skf21("6","5","6","2","3","2","3","1") = "5"
    & skf21("6","5","6","2","3","2","4","1") = "5"
    & skf21("6","5","6","2","3","2","5","1") = "5"
    & skf21("6","5","6","2","3","2","6","1") = "5"
    & skf21("6","5","6","2","3","2","7","1") = "6"
    & skf21("6","5","6","2","3","3","1","1") = "5"
    & skf21("6","5","6","2","3","3","2","1") = "5"
    & skf21("6","5","6","2","3","3","3","1") = "5"
    & skf21("6","5","6","2","3","3","4","1") = "5"
    & skf21("6","5","6","2","3","3","5","1") = "5"
    & skf21("6","5","6","2","3","3","6","1") = "5"
    & skf21("6","5","6","2","3","3","7","1") = "6"
    & skf21("6","5","6","2","3","4","1","1") = "5"
    & skf21("6","5","6","2","3","4","2","1") = "5"
    & skf21("6","5","6","2","3","4","3","1") = "5"
    & skf21("6","5","6","2","3","4","4","1") = "5"
    & skf21("6","5","6","2","3","4","5","1") = "5"
    & skf21("6","5","6","2","3","4","6","1") = "5"
    & skf21("6","5","6","2","3","4","7","1") = "6"
    & skf21("6","5","6","2","3","5","1","1") = "5"
    & skf21("6","5","6","2","3","5","2","1") = "5"
    & skf21("6","5","6","2","3","5","3","1") = "5"
    & skf21("6","5","6","2","3","5","4","1") = "5"
    & skf21("6","5","6","2","3","5","5","1") = "5"
    & skf21("6","5","6","2","3","5","6","1") = "5"
    & skf21("6","5","6","2","3","5","7","1") = "6"
    & skf21("6","5","6","2","3","6","1","1") = "5"
    & skf21("6","5","6","2","3","6","2","1") = "5"
    & skf21("6","5","6","2","3","6","3","1") = "5"
    & skf21("6","5","6","2","3","6","4","1") = "5"
    & skf21("6","5","6","2","3","6","5","1") = "5"
    & skf21("6","5","6","2","3","6","6","1") = "5"
    & skf21("6","5","6","2","3","6","7","1") = "6"
    & skf21("6","5","6","2","3","7","1","1") = "6"
    & skf21("6","5","6","2","3","7","2","1") = "6"
    & skf21("6","5","6","2","3","7","3","1") = "6"
    & skf21("6","5","6","2","3","7","4","1") = "6"
    & skf21("6","5","6","2","3","7","5","1") = "6"
    & skf21("6","5","6","2","3","7","6","1") = "6"
    & skf21("6","5","6","2","3","7","7","1") = "6"
    & skf21("6","5","6","2","4","1","1","1") = "5"
    & skf21("6","5","6","2","4","1","2","1") = "5"
    & skf21("6","5","6","2","4","1","3","1") = "5"
    & skf21("6","5","6","2","4","1","4","1") = "5"
    & skf21("6","5","6","2","4","1","5","1") = "5"
    & skf21("6","5","6","2","4","1","6","1") = "5"
    & skf21("6","5","6","2","4","1","7","1") = "6"
    & skf21("6","5","6","2","4","2","1","1") = "5"
    & skf21("6","5","6","2","4","2","2","1") = "5"
    & skf21("6","5","6","2","4","2","3","1") = "5"
    & skf21("6","5","6","2","4","2","4","1") = "5"
    & skf21("6","5","6","2","4","2","5","1") = "5"
    & skf21("6","5","6","2","4","2","6","1") = "5"
    & skf21("6","5","6","2","4","2","7","1") = "6"
    & skf21("6","5","6","2","4","3","1","1") = "5"
    & skf21("6","5","6","2","4","3","2","1") = "5"
    & skf21("6","5","6","2","4","3","3","1") = "5"
    & skf21("6","5","6","2","4","3","4","1") = "5"
    & skf21("6","5","6","2","4","3","5","1") = "5"
    & skf21("6","5","6","2","4","3","6","1") = "5"
    & skf21("6","5","6","2","4","3","7","1") = "6"
    & skf21("6","5","6","2","4","4","1","1") = "5"
    & skf21("6","5","6","2","4","4","2","1") = "5"
    & skf21("6","5","6","2","4","4","3","1") = "5"
    & skf21("6","5","6","2","4","4","4","1") = "5"
    & skf21("6","5","6","2","4","4","5","1") = "5"
    & skf21("6","5","6","2","4","4","6","1") = "5"
    & skf21("6","5","6","2","4","4","7","1") = "6"
    & skf21("6","5","6","2","4","5","1","1") = "5"
    & skf21("6","5","6","2","4","5","2","1") = "5"
    & skf21("6","5","6","2","4","5","3","1") = "5"
    & skf21("6","5","6","2","4","5","4","1") = "5"
    & skf21("6","5","6","2","4","5","5","1") = "5"
    & skf21("6","5","6","2","4","5","6","1") = "5"
    & skf21("6","5","6","2","4","5","7","1") = "6"
    & skf21("6","5","6","2","4","6","1","1") = "5"
    & skf21("6","5","6","2","4","6","2","1") = "5"
    & skf21("6","5","6","2","4","6","3","1") = "5"
    & skf21("6","5","6","2","4","6","4","1") = "5"
    & skf21("6","5","6","2","4","6","5","1") = "5"
    & skf21("6","5","6","2","4","6","6","1") = "5"
    & skf21("6","5","6","2","4","6","7","1") = "6"
    & skf21("6","5","6","2","4","7","1","1") = "6"
    & skf21("6","5","6","2","4","7","2","1") = "6"
    & skf21("6","5","6","2","4","7","3","1") = "6"
    & skf21("6","5","6","2","4","7","4","1") = "6"
    & skf21("6","5","6","2","4","7","5","1") = "6"
    & skf21("6","5","6","2","4","7","6","1") = "6"
    & skf21("6","5","6","2","4","7","7","1") = "6"
    & skf21("6","5","6","2","5","1","1","1") = "5"
    & skf21("6","5","6","2","5","1","2","1") = "5"
    & skf21("6","5","6","2","5","1","3","1") = "5"
    & skf21("6","5","6","2","5","1","4","1") = "5"
    & skf21("6","5","6","2","5","1","5","1") = "5"
    & skf21("6","5","6","2","5","1","6","1") = "5"
    & skf21("6","5","6","2","5","1","7","1") = "6"
    & skf21("6","5","6","2","5","2","1","1") = "5"
    & skf21("6","5","6","2","5","2","2","1") = "5"
    & skf21("6","5","6","2","5","2","3","1") = "5"
    & skf21("6","5","6","2","5","2","4","1") = "5"
    & skf21("6","5","6","2","5","2","5","1") = "5"
    & skf21("6","5","6","2","5","2","6","1") = "5"
    & skf21("6","5","6","2","5","2","7","1") = "6"
    & skf21("6","5","6","2","5","3","1","1") = "5"
    & skf21("6","5","6","2","5","3","2","1") = "5"
    & skf21("6","5","6","2","5","3","3","1") = "5"
    & skf21("6","5","6","2","5","3","4","1") = "5"
    & skf21("6","5","6","2","5","3","5","1") = "5"
    & skf21("6","5","6","2","5","3","6","1") = "5"
    & skf21("6","5","6","2","5","3","7","1") = "6"
    & skf21("6","5","6","2","5","4","1","1") = "5"
    & skf21("6","5","6","2","5","4","2","1") = "5"
    & skf21("6","5","6","2","5","4","3","1") = "5"
    & skf21("6","5","6","2","5","4","4","1") = "5"
    & skf21("6","5","6","2","5","4","5","1") = "5"
    & skf21("6","5","6","2","5","4","6","1") = "5"
    & skf21("6","5","6","2","5","4","7","1") = "6"
    & skf21("6","5","6","2","5","5","1","1") = "5"
    & skf21("6","5","6","2","5","5","2","1") = "5"
    & skf21("6","5","6","2","5","5","3","1") = "5"
    & skf21("6","5","6","2","5","5","4","1") = "5"
    & skf21("6","5","6","2","5","5","5","1") = "5"
    & skf21("6","5","6","2","5","5","6","1") = "5"
    & skf21("6","5","6","2","5","5","7","1") = "6"
    & skf21("6","5","6","2","5","6","1","1") = "5"
    & skf21("6","5","6","2","5","6","2","1") = "5"
    & skf21("6","5","6","2","5","6","3","1") = "5"
    & skf21("6","5","6","2","5","6","4","1") = "5"
    & skf21("6","5","6","2","5","6","5","1") = "5"
    & skf21("6","5","6","2","5","6","6","1") = "5"
    & skf21("6","5","6","2","5","6","7","1") = "6"
    & skf21("6","5","6","2","5","7","1","1") = "6"
    & skf21("6","5","6","2","5","7","2","1") = "6"
    & skf21("6","5","6","2","5","7","3","1") = "6"
    & skf21("6","5","6","2","5","7","4","1") = "6"
    & skf21("6","5","6","2","5","7","5","1") = "6"
    & skf21("6","5","6","2","5","7","6","1") = "6"
    & skf21("6","5","6","2","5","7","7","1") = "6"
    & skf21("6","5","6","2","6","1","1","1") = "5"
    & skf21("6","5","6","2","6","1","2","1") = "5"
    & skf21("6","5","6","2","6","1","3","1") = "5"
    & skf21("6","5","6","2","6","1","4","1") = "5"
    & skf21("6","5","6","2","6","1","5","1") = "5"
    & skf21("6","5","6","2","6","1","6","1") = "5"
    & skf21("6","5","6","2","6","1","7","1") = "6"
    & skf21("6","5","6","2","6","2","1","1") = "5"
    & skf21("6","5","6","2","6","2","2","1") = "5"
    & skf21("6","5","6","2","6","2","3","1") = "5"
    & skf21("6","5","6","2","6","2","4","1") = "5"
    & skf21("6","5","6","2","6","2","5","1") = "5"
    & skf21("6","5","6","2","6","2","6","1") = "5"
    & skf21("6","5","6","2","6","2","7","1") = "6"
    & skf21("6","5","6","2","6","3","1","1") = "5"
    & skf21("6","5","6","2","6","3","2","1") = "5"
    & skf21("6","5","6","2","6","3","3","1") = "5"
    & skf21("6","5","6","2","6","3","4","1") = "5"
    & skf21("6","5","6","2","6","3","5","1") = "5"
    & skf21("6","5","6","2","6","3","6","1") = "5"
    & skf21("6","5","6","2","6","3","7","1") = "6"
    & skf21("6","5","6","2","6","4","1","1") = "5"
    & skf21("6","5","6","2","6","4","2","1") = "5"
    & skf21("6","5","6","2","6","4","3","1") = "5"
    & skf21("6","5","6","2","6","4","4","1") = "5"
    & skf21("6","5","6","2","6","4","5","1") = "5"
    & skf21("6","5","6","2","6","4","6","1") = "5"
    & skf21("6","5","6","2","6","4","7","1") = "6"
    & skf21("6","5","6","2","6","5","1","1") = "5"
    & skf21("6","5","6","2","6","5","2","1") = "5"
    & skf21("6","5","6","2","6","5","3","1") = "5"
    & skf21("6","5","6","2","6","5","4","1") = "5"
    & skf21("6","5","6","2","6","5","5","1") = "5"
    & skf21("6","5","6","2","6","5","6","1") = "5"
    & skf21("6","5","6","2","6","5","7","1") = "6"
    & skf21("6","5","6","2","6","6","1","1") = "5"
    & skf21("6","5","6","2","6","6","2","1") = "5"
    & skf21("6","5","6","2","6","6","3","1") = "5"
    & skf21("6","5","6","2","6","6","4","1") = "5"
    & skf21("6","5","6","2","6","6","5","1") = "5"
    & skf21("6","5","6","2","6","6","6","1") = "5"
    & skf21("6","5","6","2","6","6","7","1") = "6"
    & skf21("6","5","6","2","6","7","1","1") = "6"
    & skf21("6","5","6","2","6","7","2","1") = "6"
    & skf21("6","5","6","2","6","7","3","1") = "6"
    & skf21("6","5","6","2","6","7","4","1") = "6"
    & skf21("6","5","6","2","6","7","5","1") = "6"
    & skf21("6","5","6","2","6","7","6","1") = "6"
    & skf21("6","5","6","2","6","7","7","1") = "6"
    & skf21("6","5","6","2","7","1","1","1") = "6"
    & skf21("6","5","6","2","7","1","2","1") = "6"
    & skf21("6","5","6","2","7","1","3","1") = "6"
    & skf21("6","5","6","2","7","1","4","1") = "6"
    & skf21("6","5","6","2","7","1","5","1") = "6"
    & skf21("6","5","6","2","7","1","6","1") = "6"
    & skf21("6","5","6","2","7","1","7","1") = "6"
    & skf21("6","5","6","2","7","2","1","1") = "6"
    & skf21("6","5","6","2","7","2","2","1") = "6"
    & skf21("6","5","6","2","7","2","3","1") = "6"
    & skf21("6","5","6","2","7","2","4","1") = "6"
    & skf21("6","5","6","2","7","2","5","1") = "6"
    & skf21("6","5","6","2","7","2","6","1") = "6"
    & skf21("6","5","6","2","7","2","7","1") = "6"
    & skf21("6","5","6","2","7","3","1","1") = "6"
    & skf21("6","5","6","2","7","3","2","1") = "6"
    & skf21("6","5","6","2","7","3","3","1") = "6"
    & skf21("6","5","6","2","7","3","4","1") = "6"
    & skf21("6","5","6","2","7","3","5","1") = "6"
    & skf21("6","5","6","2","7","3","6","1") = "6"
    & skf21("6","5","6","2","7","3","7","1") = "6"
    & skf21("6","5","6","2","7","4","1","1") = "6"
    & skf21("6","5","6","2","7","4","2","1") = "6"
    & skf21("6","5","6","2","7","4","3","1") = "6"
    & skf21("6","5","6","2","7","4","4","1") = "6"
    & skf21("6","5","6","2","7","4","5","1") = "6"
    & skf21("6","5","6","2","7","4","6","1") = "6"
    & skf21("6","5","6","2","7","4","7","1") = "6"
    & skf21("6","5","6","2","7","5","1","1") = "6"
    & skf21("6","5","6","2","7","5","2","1") = "6"
    & skf21("6","5","6","2","7","5","3","1") = "6"
    & skf21("6","5","6","2","7","5","4","1") = "6"
    & skf21("6","5","6","2","7","5","5","1") = "6"
    & skf21("6","5","6","2","7","5","6","1") = "6"
    & skf21("6","5","6","2","7","5","7","1") = "6"
    & skf21("6","5","6","2","7","6","1","1") = "6"
    & skf21("6","5","6","2","7","6","2","1") = "6"
    & skf21("6","5","6","2","7","6","3","1") = "6"
    & skf21("6","5","6","2","7","6","4","1") = "6"
    & skf21("6","5","6","2","7","6","5","1") = "6"
    & skf21("6","5","6","2","7","6","6","1") = "6"
    & skf21("6","5","6","2","7","6","7","1") = "6"
    & skf21("6","5","6","2","7","7","1","1") = "6"
    & skf21("6","5","6","2","7","7","2","1") = "6"
    & skf21("6","5","6","2","7","7","3","1") = "6"
    & skf21("6","5","6","2","7","7","4","1") = "6"
    & skf21("6","5","6","2","7","7","5","1") = "6"
    & skf21("6","5","6","2","7","7","6","1") = "6"
    & skf21("6","5","6","2","7","7","7","1") = "6"
    & skf21("6","5","6","3","1","1","1","1") = "5"
    & skf21("6","5","6","3","1","1","2","1") = "5"
    & skf21("6","5","6","3","1","1","3","1") = "5"
    & skf21("6","5","6","3","1","1","4","1") = "5"
    & skf21("6","5","6","3","1","1","5","1") = "5"
    & skf21("6","5","6","3","1","1","6","1") = "5"
    & skf21("6","5","6","3","1","1","7","1") = "6"
    & skf21("6","5","6","3","1","2","1","1") = "5"
    & skf21("6","5","6","3","1","2","2","1") = "5"
    & skf21("6","5","6","3","1","2","3","1") = "5"
    & skf21("6","5","6","3","1","2","4","1") = "5"
    & skf21("6","5","6","3","1","2","5","1") = "5"
    & skf21("6","5","6","3","1","2","6","1") = "5"
    & skf21("6","5","6","3","1","2","7","1") = "6"
    & skf21("6","5","6","3","1","3","1","1") = "5"
    & skf21("6","5","6","3","1","3","2","1") = "5"
    & skf21("6","5","6","3","1","3","3","1") = "5"
    & skf21("6","5","6","3","1","3","4","1") = "5"
    & skf21("6","5","6","3","1","3","5","1") = "5"
    & skf21("6","5","6","3","1","3","6","1") = "5"
    & skf21("6","5","6","3","1","3","7","1") = "6"
    & skf21("6","5","6","3","1","4","1","1") = "5"
    & skf21("6","5","6","3","1","4","2","1") = "5"
    & skf21("6","5","6","3","1","4","3","1") = "5"
    & skf21("6","5","6","3","1","4","4","1") = "5"
    & skf21("6","5","6","3","1","4","5","1") = "5"
    & skf21("6","5","6","3","1","4","6","1") = "5"
    & skf21("6","5","6","3","1","4","7","1") = "6"
    & skf21("6","5","6","3","1","5","1","1") = "5"
    & skf21("6","5","6","3","1","5","2","1") = "5"
    & skf21("6","5","6","3","1","5","3","1") = "5"
    & skf21("6","5","6","3","1","5","4","1") = "5"
    & skf21("6","5","6","3","1","5","5","1") = "5"
    & skf21("6","5","6","3","1","5","6","1") = "5"
    & skf21("6","5","6","3","1","5","7","1") = "6"
    & skf21("6","5","6","3","1","6","1","1") = "5"
    & skf21("6","5","6","3","1","6","2","1") = "5"
    & skf21("6","5","6","3","1","6","3","1") = "5"
    & skf21("6","5","6","3","1","6","4","1") = "5"
    & skf21("6","5","6","3","1","6","5","1") = "5"
    & skf21("6","5","6","3","1","6","6","1") = "5"
    & skf21("6","5","6","3","1","6","7","1") = "6"
    & skf21("6","5","6","3","1","7","1","1") = "6"
    & skf21("6","5","6","3","1","7","2","1") = "6"
    & skf21("6","5","6","3","1","7","3","1") = "6"
    & skf21("6","5","6","3","1","7","4","1") = "6"
    & skf21("6","5","6","3","1","7","5","1") = "6"
    & skf21("6","5","6","3","1","7","6","1") = "6"
    & skf21("6","5","6","3","1","7","7","1") = "6"
    & skf21("6","5","6","3","2","1","1","1") = "5"
    & skf21("6","5","6","3","2","1","2","1") = "5"
    & skf21("6","5","6","3","2","1","3","1") = "5"
    & skf21("6","5","6","3","2","1","4","1") = "5"
    & skf21("6","5","6","3","2","1","5","1") = "5"
    & skf21("6","5","6","3","2","1","6","1") = "5"
    & skf21("6","5","6","3","2","1","7","1") = "6"
    & skf21("6","5","6","3","2","2","1","1") = "5"
    & skf21("6","5","6","3","2","2","2","1") = "5"
    & skf21("6","5","6","3","2","2","3","1") = "5"
    & skf21("6","5","6","3","2","2","4","1") = "5"
    & skf21("6","5","6","3","2","2","5","1") = "5"
    & skf21("6","5","6","3","2","2","6","1") = "5"
    & skf21("6","5","6","3","2","2","7","1") = "6"
    & skf21("6","5","6","3","2","3","1","1") = "5"
    & skf21("6","5","6","3","2","3","2","1") = "5"
    & skf21("6","5","6","3","2","3","3","1") = "5"
    & skf21("6","5","6","3","2","3","4","1") = "5"
    & skf21("6","5","6","3","2","3","5","1") = "5"
    & skf21("6","5","6","3","2","3","6","1") = "5"
    & skf21("6","5","6","3","2","3","7","1") = "6"
    & skf21("6","5","6","3","2","4","1","1") = "5"
    & skf21("6","5","6","3","2","4","2","1") = "5"
    & skf21("6","5","6","3","2","4","3","1") = "5"
    & skf21("6","5","6","3","2","4","4","1") = "5"
    & skf21("6","5","6","3","2","4","5","1") = "5"
    & skf21("6","5","6","3","2","4","6","1") = "5"
    & skf21("6","5","6","3","2","4","7","1") = "6"
    & skf21("6","5","6","3","2","5","1","1") = "5"
    & skf21("6","5","6","3","2","5","2","1") = "5"
    & skf21("6","5","6","3","2","5","3","1") = "5"
    & skf21("6","5","6","3","2","5","4","1") = "5"
    & skf21("6","5","6","3","2","5","5","1") = "5"
    & skf21("6","5","6","3","2","5","6","1") = "5"
    & skf21("6","5","6","3","2","5","7","1") = "6"
    & skf21("6","5","6","3","2","6","1","1") = "5"
    & skf21("6","5","6","3","2","6","2","1") = "5"
    & skf21("6","5","6","3","2","6","3","1") = "5"
    & skf21("6","5","6","3","2","6","4","1") = "5"
    & skf21("6","5","6","3","2","6","5","1") = "5"
    & skf21("6","5","6","3","2","6","6","1") = "5"
    & skf21("6","5","6","3","2","6","7","1") = "6"
    & skf21("6","5","6","3","2","7","1","1") = "6"
    & skf21("6","5","6","3","2","7","2","1") = "6"
    & skf21("6","5","6","3","2","7","3","1") = "6"
    & skf21("6","5","6","3","2","7","4","1") = "6"
    & skf21("6","5","6","3","2","7","5","1") = "6"
    & skf21("6","5","6","3","2","7","6","1") = "6"
    & skf21("6","5","6","3","2","7","7","1") = "6"
    & skf21("6","5","6","3","3","1","1","1") = "5"
    & skf21("6","5","6","3","3","1","2","1") = "5"
    & skf21("6","5","6","3","3","1","3","1") = "5"
    & skf21("6","5","6","3","3","1","4","1") = "5"
    & skf21("6","5","6","3","3","1","5","1") = "5"
    & skf21("6","5","6","3","3","1","6","1") = "5"
    & skf21("6","5","6","3","3","1","7","1") = "6"
    & skf21("6","5","6","3","3","2","1","1") = "5"
    & skf21("6","5","6","3","3","2","2","1") = "5"
    & skf21("6","5","6","3","3","2","3","1") = "5"
    & skf21("6","5","6","3","3","2","4","1") = "5"
    & skf21("6","5","6","3","3","2","5","1") = "5"
    & skf21("6","5","6","3","3","2","6","1") = "5"
    & skf21("6","5","6","3","3","2","7","1") = "6"
    & skf21("6","5","6","3","3","3","1","1") = "5"
    & skf21("6","5","6","3","3","3","2","1") = "5"
    & skf21("6","5","6","3","3","3","3","1") = "5"
    & skf21("6","5","6","3","3","3","4","1") = "5"
    & skf21("6","5","6","3","3","3","5","1") = "5"
    & skf21("6","5","6","3","3","3","6","1") = "5"
    & skf21("6","5","6","3","3","3","7","1") = "6"
    & skf21("6","5","6","3","3","4","1","1") = "5"
    & skf21("6","5","6","3","3","4","2","1") = "5"
    & skf21("6","5","6","3","3","4","3","1") = "5"
    & skf21("6","5","6","3","3","4","4","1") = "5"
    & skf21("6","5","6","3","3","4","5","1") = "5"
    & skf21("6","5","6","3","3","4","6","1") = "5"
    & skf21("6","5","6","3","3","4","7","1") = "6"
    & skf21("6","5","6","3","3","5","1","1") = "5"
    & skf21("6","5","6","3","3","5","2","1") = "5"
    & skf21("6","5","6","3","3","5","3","1") = "5"
    & skf21("6","5","6","3","3","5","4","1") = "5"
    & skf21("6","5","6","3","3","5","5","1") = "5"
    & skf21("6","5","6","3","3","5","6","1") = "5"
    & skf21("6","5","6","3","3","5","7","1") = "6"
    & skf21("6","5","6","3","3","6","1","1") = "5"
    & skf21("6","5","6","3","3","6","2","1") = "5"
    & skf21("6","5","6","3","3","6","3","1") = "5"
    & skf21("6","5","6","3","3","6","4","1") = "5"
    & skf21("6","5","6","3","3","6","5","1") = "5"
    & skf21("6","5","6","3","3","6","6","1") = "5"
    & skf21("6","5","6","3","3","6","7","1") = "6"
    & skf21("6","5","6","3","3","7","1","1") = "6"
    & skf21("6","5","6","3","3","7","2","1") = "6"
    & skf21("6","5","6","3","3","7","3","1") = "6"
    & skf21("6","5","6","3","3","7","4","1") = "6"
    & skf21("6","5","6","3","3","7","5","1") = "6"
    & skf21("6","5","6","3","3","7","6","1") = "6"
    & skf21("6","5","6","3","3","7","7","1") = "6"
    & skf21("6","5","6","3","4","1","1","1") = "5"
    & skf21("6","5","6","3","4","1","2","1") = "5"
    & skf21("6","5","6","3","4","1","3","1") = "5"
    & skf21("6","5","6","3","4","1","4","1") = "5"
    & skf21("6","5","6","3","4","1","5","1") = "5"
    & skf21("6","5","6","3","4","1","6","1") = "5"
    & skf21("6","5","6","3","4","1","7","1") = "6"
    & skf21("6","5","6","3","4","2","1","1") = "5"
    & skf21("6","5","6","3","4","2","2","1") = "5"
    & skf21("6","5","6","3","4","2","3","1") = "5"
    & skf21("6","5","6","3","4","2","4","1") = "5"
    & skf21("6","5","6","3","4","2","5","1") = "5"
    & skf21("6","5","6","3","4","2","6","1") = "5"
    & skf21("6","5","6","3","4","2","7","1") = "6"
    & skf21("6","5","6","3","4","3","1","1") = "5"
    & skf21("6","5","6","3","4","3","2","1") = "5"
    & skf21("6","5","6","3","4","3","3","1") = "5"
    & skf21("6","5","6","3","4","3","4","1") = "5"
    & skf21("6","5","6","3","4","3","5","1") = "5"
    & skf21("6","5","6","3","4","3","6","1") = "5"
    & skf21("6","5","6","3","4","3","7","1") = "6"
    & skf21("6","5","6","3","4","4","1","1") = "5"
    & skf21("6","5","6","3","4","4","2","1") = "5"
    & skf21("6","5","6","3","4","4","3","1") = "5"
    & skf21("6","5","6","3","4","4","4","1") = "5"
    & skf21("6","5","6","3","4","4","5","1") = "5"
    & skf21("6","5","6","3","4","4","6","1") = "5"
    & skf21("6","5","6","3","4","4","7","1") = "6"
    & skf21("6","5","6","3","4","5","1","1") = "5"
    & skf21("6","5","6","3","4","5","2","1") = "5"
    & skf21("6","5","6","3","4","5","3","1") = "5"
    & skf21("6","5","6","3","4","5","4","1") = "5"
    & skf21("6","5","6","3","4","5","5","1") = "5"
    & skf21("6","5","6","3","4","5","6","1") = "5"
    & skf21("6","5","6","3","4","5","7","1") = "6"
    & skf21("6","5","6","3","4","6","1","1") = "5"
    & skf21("6","5","6","3","4","6","2","1") = "5"
    & skf21("6","5","6","3","4","6","3","1") = "5"
    & skf21("6","5","6","3","4","6","4","1") = "5"
    & skf21("6","5","6","3","4","6","5","1") = "5"
    & skf21("6","5","6","3","4","6","6","1") = "5"
    & skf21("6","5","6","3","4","6","7","1") = "6"
    & skf21("6","5","6","3","4","7","1","1") = "6"
    & skf21("6","5","6","3","4","7","2","1") = "6"
    & skf21("6","5","6","3","4","7","3","1") = "6"
    & skf21("6","5","6","3","4","7","4","1") = "6"
    & skf21("6","5","6","3","4","7","5","1") = "6"
    & skf21("6","5","6","3","4","7","6","1") = "6"
    & skf21("6","5","6","3","4","7","7","1") = "6"
    & skf21("6","5","6","3","5","1","1","1") = "5"
    & skf21("6","5","6","3","5","1","2","1") = "5"
    & skf21("6","5","6","3","5","1","3","1") = "5"
    & skf21("6","5","6","3","5","1","4","1") = "5"
    & skf21("6","5","6","3","5","1","5","1") = "5"
    & skf21("6","5","6","3","5","1","6","1") = "5"
    & skf21("6","5","6","3","5","1","7","1") = "6"
    & skf21("6","5","6","3","5","2","1","1") = "5"
    & skf21("6","5","6","3","5","2","2","1") = "5"
    & skf21("6","5","6","3","5","2","3","1") = "5"
    & skf21("6","5","6","3","5","2","4","1") = "5"
    & skf21("6","5","6","3","5","2","5","1") = "5"
    & skf21("6","5","6","3","5","2","6","1") = "5"
    & skf21("6","5","6","3","5","2","7","1") = "6"
    & skf21("6","5","6","3","5","3","1","1") = "5"
    & skf21("6","5","6","3","5","3","2","1") = "5"
    & skf21("6","5","6","3","5","3","3","1") = "5"
    & skf21("6","5","6","3","5","3","4","1") = "5"
    & skf21("6","5","6","3","5","3","5","1") = "5"
    & skf21("6","5","6","3","5","3","6","1") = "5"
    & skf21("6","5","6","3","5","3","7","1") = "6"
    & skf21("6","5","6","3","5","4","1","1") = "5"
    & skf21("6","5","6","3","5","4","2","1") = "5"
    & skf21("6","5","6","3","5","4","3","1") = "5"
    & skf21("6","5","6","3","5","4","4","1") = "5"
    & skf21("6","5","6","3","5","4","5","1") = "5"
    & skf21("6","5","6","3","5","4","6","1") = "5"
    & skf21("6","5","6","3","5","4","7","1") = "6"
    & skf21("6","5","6","3","5","5","1","1") = "5"
    & skf21("6","5","6","3","5","5","2","1") = "5"
    & skf21("6","5","6","3","5","5","3","1") = "5"
    & skf21("6","5","6","3","5","5","4","1") = "5"
    & skf21("6","5","6","3","5","5","5","1") = "5"
    & skf21("6","5","6","3","5","5","6","1") = "5"
    & skf21("6","5","6","3","5","5","7","1") = "6"
    & skf21("6","5","6","3","5","6","1","1") = "5"
    & skf21("6","5","6","3","5","6","2","1") = "5"
    & skf21("6","5","6","3","5","6","3","1") = "5"
    & skf21("6","5","6","3","5","6","4","1") = "5"
    & skf21("6","5","6","3","5","6","5","1") = "5"
    & skf21("6","5","6","3","5","6","6","1") = "5"
    & skf21("6","5","6","3","5","6","7","1") = "6"
    & skf21("6","5","6","3","5","7","1","1") = "6"
    & skf21("6","5","6","3","5","7","2","1") = "6"
    & skf21("6","5","6","3","5","7","3","1") = "6"
    & skf21("6","5","6","3","5","7","4","1") = "6"
    & skf21("6","5","6","3","5","7","5","1") = "6"
    & skf21("6","5","6","3","5","7","6","1") = "6"
    & skf21("6","5","6","3","5","7","7","1") = "6"
    & skf21("6","5","6","3","6","1","1","1") = "5"
    & skf21("6","5","6","3","6","1","2","1") = "5"
    & skf21("6","5","6","3","6","1","3","1") = "5"
    & skf21("6","5","6","3","6","1","4","1") = "5"
    & skf21("6","5","6","3","6","1","5","1") = "5"
    & skf21("6","5","6","3","6","1","6","1") = "5"
    & skf21("6","5","6","3","6","1","7","1") = "6"
    & skf21("6","5","6","3","6","2","1","1") = "5"
    & skf21("6","5","6","3","6","2","2","1") = "5"
    & skf21("6","5","6","3","6","2","3","1") = "5"
    & skf21("6","5","6","3","6","2","4","1") = "5"
    & skf21("6","5","6","3","6","2","5","1") = "5"
    & skf21("6","5","6","3","6","2","6","1") = "5"
    & skf21("6","5","6","3","6","2","7","1") = "6"
    & skf21("6","5","6","3","6","3","1","1") = "5"
    & skf21("6","5","6","3","6","3","2","1") = "5"
    & skf21("6","5","6","3","6","3","3","1") = "5"
    & skf21("6","5","6","3","6","3","4","1") = "5"
    & skf21("6","5","6","3","6","3","5","1") = "5"
    & skf21("6","5","6","3","6","3","6","1") = "5"
    & skf21("6","5","6","3","6","3","7","1") = "6"
    & skf21("6","5","6","3","6","4","1","1") = "5"
    & skf21("6","5","6","3","6","4","2","1") = "5"
    & skf21("6","5","6","3","6","4","3","1") = "5"
    & skf21("6","5","6","3","6","4","4","1") = "5"
    & skf21("6","5","6","3","6","4","5","1") = "5"
    & skf21("6","5","6","3","6","4","6","1") = "5"
    & skf21("6","5","6","3","6","4","7","1") = "6"
    & skf21("6","5","6","3","6","5","1","1") = "5"
    & skf21("6","5","6","3","6","5","2","1") = "5"
    & skf21("6","5","6","3","6","5","3","1") = "5"
    & skf21("6","5","6","3","6","5","4","1") = "5"
    & skf21("6","5","6","3","6","5","5","1") = "5"
    & skf21("6","5","6","3","6","5","6","1") = "5"
    & skf21("6","5","6","3","6","5","7","1") = "6"
    & skf21("6","5","6","3","6","6","1","1") = "5"
    & skf21("6","5","6","3","6","6","2","1") = "5"
    & skf21("6","5","6","3","6","6","3","1") = "5"
    & skf21("6","5","6","3","6","6","4","1") = "5"
    & skf21("6","5","6","3","6","6","5","1") = "5"
    & skf21("6","5","6","3","6","6","6","1") = "5"
    & skf21("6","5","6","3","6","6","7","1") = "6"
    & skf21("6","5","6","3","6","7","1","1") = "6"
    & skf21("6","5","6","3","6","7","2","1") = "6"
    & skf21("6","5","6","3","6","7","3","1") = "6"
    & skf21("6","5","6","3","6","7","4","1") = "6"
    & skf21("6","5","6","3","6","7","5","1") = "6"
    & skf21("6","5","6","3","6","7","6","1") = "6"
    & skf21("6","5","6","3","6","7","7","1") = "6"
    & skf21("6","5","6","3","7","1","1","1") = "6"
    & skf21("6","5","6","3","7","1","2","1") = "6"
    & skf21("6","5","6","3","7","1","3","1") = "6"
    & skf21("6","5","6","3","7","1","4","1") = "6"
    & skf21("6","5","6","3","7","1","5","1") = "6"
    & skf21("6","5","6","3","7","1","6","1") = "6"
    & skf21("6","5","6","3","7","1","7","1") = "6"
    & skf21("6","5","6","3","7","2","1","1") = "6"
    & skf21("6","5","6","3","7","2","2","1") = "6"
    & skf21("6","5","6","3","7","2","3","1") = "6"
    & skf21("6","5","6","3","7","2","4","1") = "6"
    & skf21("6","5","6","3","7","2","5","1") = "6"
    & skf21("6","5","6","3","7","2","6","1") = "6"
    & skf21("6","5","6","3","7","2","7","1") = "6"
    & skf21("6","5","6","3","7","3","1","1") = "6"
    & skf21("6","5","6","3","7","3","2","1") = "6"
    & skf21("6","5","6","3","7","3","3","1") = "6"
    & skf21("6","5","6","3","7","3","4","1") = "6"
    & skf21("6","5","6","3","7","3","5","1") = "6"
    & skf21("6","5","6","3","7","3","6","1") = "6"
    & skf21("6","5","6","3","7","3","7","1") = "6"
    & skf21("6","5","6","3","7","4","1","1") = "6"
    & skf21("6","5","6","3","7","4","2","1") = "6"
    & skf21("6","5","6","3","7","4","3","1") = "6"
    & skf21("6","5","6","3","7","4","4","1") = "6"
    & skf21("6","5","6","3","7","4","5","1") = "6"
    & skf21("6","5","6","3","7","4","6","1") = "6"
    & skf21("6","5","6","3","7","4","7","1") = "6"
    & skf21("6","5","6","3","7","5","1","1") = "6"
    & skf21("6","5","6","3","7","5","2","1") = "6"
    & skf21("6","5","6","3","7","5","3","1") = "6"
    & skf21("6","5","6","3","7","5","4","1") = "6"
    & skf21("6","5","6","3","7","5","5","1") = "6"
    & skf21("6","5","6","3","7","5","6","1") = "6"
    & skf21("6","5","6","3","7","5","7","1") = "6"
    & skf21("6","5","6","3","7","6","1","1") = "6"
    & skf21("6","5","6","3","7","6","2","1") = "6"
    & skf21("6","5","6","3","7","6","3","1") = "6"
    & skf21("6","5","6","3","7","6","4","1") = "6"
    & skf21("6","5","6","3","7","6","5","1") = "6"
    & skf21("6","5","6","3","7","6","6","1") = "6"
    & skf21("6","5","6","3","7","6","7","1") = "6"
    & skf21("6","5","6","3","7","7","1","1") = "6"
    & skf21("6","5","6","3","7","7","2","1") = "6"
    & skf21("6","5","6","3","7","7","3","1") = "6"
    & skf21("6","5","6","3","7","7","4","1") = "6"
    & skf21("6","5","6","3","7","7","5","1") = "6"
    & skf21("6","5","6","3","7","7","6","1") = "6"
    & skf21("6","5","6","3","7","7","7","1") = "6"
    & skf21("6","5","6","4","1","1","1","1") = "5"
    & skf21("6","5","6","4","1","1","2","1") = "5"
    & skf21("6","5","6","4","1","1","3","1") = "5"
    & skf21("6","5","6","4","1","1","4","1") = "5"
    & skf21("6","5","6","4","1","1","5","1") = "5"
    & skf21("6","5","6","4","1","1","6","1") = "5"
    & skf21("6","5","6","4","1","1","7","1") = "6"
    & skf21("6","5","6","4","1","2","1","1") = "5"
    & skf21("6","5","6","4","1","2","2","1") = "5"
    & skf21("6","5","6","4","1","2","3","1") = "5"
    & skf21("6","5","6","4","1","2","4","1") = "5"
    & skf21("6","5","6","4","1","2","5","1") = "5"
    & skf21("6","5","6","4","1","2","6","1") = "5"
    & skf21("6","5","6","4","1","2","7","1") = "6"
    & skf21("6","5","6","4","1","3","1","1") = "5"
    & skf21("6","5","6","4","1","3","2","1") = "5"
    & skf21("6","5","6","4","1","3","3","1") = "5"
    & skf21("6","5","6","4","1","3","4","1") = "5"
    & skf21("6","5","6","4","1","3","5","1") = "5"
    & skf21("6","5","6","4","1","3","6","1") = "5"
    & skf21("6","5","6","4","1","3","7","1") = "6"
    & skf21("6","5","6","4","1","4","1","1") = "5"
    & skf21("6","5","6","4","1","4","2","1") = "5"
    & skf21("6","5","6","4","1","4","3","1") = "5"
    & skf21("6","5","6","4","1","4","4","1") = "5"
    & skf21("6","5","6","4","1","4","5","1") = "5"
    & skf21("6","5","6","4","1","4","6","1") = "5"
    & skf21("6","5","6","4","1","4","7","1") = "6"
    & skf21("6","5","6","4","1","5","1","1") = "5"
    & skf21("6","5","6","4","1","5","2","1") = "5"
    & skf21("6","5","6","4","1","5","3","1") = "5"
    & skf21("6","5","6","4","1","5","4","1") = "5"
    & skf21("6","5","6","4","1","5","5","1") = "5"
    & skf21("6","5","6","4","1","5","6","1") = "5"
    & skf21("6","5","6","4","1","5","7","1") = "6"
    & skf21("6","5","6","4","1","6","1","1") = "5"
    & skf21("6","5","6","4","1","6","2","1") = "5"
    & skf21("6","5","6","4","1","6","3","1") = "5"
    & skf21("6","5","6","4","1","6","4","1") = "5"
    & skf21("6","5","6","4","1","6","5","1") = "5"
    & skf21("6","5","6","4","1","6","6","1") = "5"
    & skf21("6","5","6","4","1","6","7","1") = "6"
    & skf21("6","5","6","4","1","7","1","1") = "6"
    & skf21("6","5","6","4","1","7","2","1") = "6"
    & skf21("6","5","6","4","1","7","3","1") = "6"
    & skf21("6","5","6","4","1","7","4","1") = "6"
    & skf21("6","5","6","4","1","7","5","1") = "6"
    & skf21("6","5","6","4","1","7","6","1") = "6"
    & skf21("6","5","6","4","1","7","7","1") = "6"
    & skf21("6","5","6","4","2","1","1","1") = "5"
    & skf21("6","5","6","4","2","1","2","1") = "5"
    & skf21("6","5","6","4","2","1","3","1") = "5"
    & skf21("6","5","6","4","2","1","4","1") = "5"
    & skf21("6","5","6","4","2","1","5","1") = "5"
    & skf21("6","5","6","4","2","1","6","1") = "5"
    & skf21("6","5","6","4","2","1","7","1") = "6"
    & skf21("6","5","6","4","2","2","1","1") = "5"
    & skf21("6","5","6","4","2","2","2","1") = "5"
    & skf21("6","5","6","4","2","2","3","1") = "5"
    & skf21("6","5","6","4","2","2","4","1") = "5"
    & skf21("6","5","6","4","2","2","5","1") = "5"
    & skf21("6","5","6","4","2","2","6","1") = "5"
    & skf21("6","5","6","4","2","2","7","1") = "6"
    & skf21("6","5","6","4","2","3","1","1") = "5"
    & skf21("6","5","6","4","2","3","2","1") = "5"
    & skf21("6","5","6","4","2","3","3","1") = "5"
    & skf21("6","5","6","4","2","3","4","1") = "5"
    & skf21("6","5","6","4","2","3","5","1") = "5"
    & skf21("6","5","6","4","2","3","6","1") = "5"
    & skf21("6","5","6","4","2","3","7","1") = "6"
    & skf21("6","5","6","4","2","4","1","1") = "5"
    & skf21("6","5","6","4","2","4","2","1") = "5"
    & skf21("6","5","6","4","2","4","3","1") = "5"
    & skf21("6","5","6","4","2","4","4","1") = "5"
    & skf21("6","5","6","4","2","4","5","1") = "5"
    & skf21("6","5","6","4","2","4","6","1") = "5"
    & skf21("6","5","6","4","2","4","7","1") = "6"
    & skf21("6","5","6","4","2","5","1","1") = "5"
    & skf21("6","5","6","4","2","5","2","1") = "5"
    & skf21("6","5","6","4","2","5","3","1") = "5"
    & skf21("6","5","6","4","2","5","4","1") = "5"
    & skf21("6","5","6","4","2","5","5","1") = "5"
    & skf21("6","5","6","4","2","5","6","1") = "5"
    & skf21("6","5","6","4","2","5","7","1") = "6"
    & skf21("6","5","6","4","2","6","1","1") = "5"
    & skf21("6","5","6","4","2","6","2","1") = "5"
    & skf21("6","5","6","4","2","6","3","1") = "5"
    & skf21("6","5","6","4","2","6","4","1") = "5"
    & skf21("6","5","6","4","2","6","5","1") = "5"
    & skf21("6","5","6","4","2","6","6","1") = "5"
    & skf21("6","5","6","4","2","6","7","1") = "6"
    & skf21("6","5","6","4","2","7","1","1") = "6"
    & skf21("6","5","6","4","2","7","2","1") = "6"
    & skf21("6","5","6","4","2","7","3","1") = "6"
    & skf21("6","5","6","4","2","7","4","1") = "6"
    & skf21("6","5","6","4","2","7","5","1") = "6"
    & skf21("6","5","6","4","2","7","6","1") = "6"
    & skf21("6","5","6","4","2","7","7","1") = "6"
    & skf21("6","5","6","4","3","1","1","1") = "5"
    & skf21("6","5","6","4","3","1","2","1") = "5"
    & skf21("6","5","6","4","3","1","3","1") = "5"
    & skf21("6","5","6","4","3","1","4","1") = "5"
    & skf21("6","5","6","4","3","1","5","1") = "5"
    & skf21("6","5","6","4","3","1","6","1") = "5"
    & skf21("6","5","6","4","3","1","7","1") = "6"
    & skf21("6","5","6","4","3","2","1","1") = "5"
    & skf21("6","5","6","4","3","2","2","1") = "5"
    & skf21("6","5","6","4","3","2","3","1") = "5"
    & skf21("6","5","6","4","3","2","4","1") = "5"
    & skf21("6","5","6","4","3","2","5","1") = "5"
    & skf21("6","5","6","4","3","2","6","1") = "5"
    & skf21("6","5","6","4","3","2","7","1") = "6"
    & skf21("6","5","6","4","3","3","1","1") = "5"
    & skf21("6","5","6","4","3","3","2","1") = "5"
    & skf21("6","5","6","4","3","3","3","1") = "5"
    & skf21("6","5","6","4","3","3","4","1") = "5"
    & skf21("6","5","6","4","3","3","5","1") = "5"
    & skf21("6","5","6","4","3","3","6","1") = "5"
    & skf21("6","5","6","4","3","3","7","1") = "6"
    & skf21("6","5","6","4","3","4","1","1") = "5"
    & skf21("6","5","6","4","3","4","2","1") = "5"
    & skf21("6","5","6","4","3","4","3","1") = "5"
    & skf21("6","5","6","4","3","4","4","1") = "5"
    & skf21("6","5","6","4","3","4","5","1") = "5"
    & skf21("6","5","6","4","3","4","6","1") = "5"
    & skf21("6","5","6","4","3","4","7","1") = "6"
    & skf21("6","5","6","4","3","5","1","1") = "5"
    & skf21("6","5","6","4","3","5","2","1") = "5"
    & skf21("6","5","6","4","3","5","3","1") = "5"
    & skf21("6","5","6","4","3","5","4","1") = "5"
    & skf21("6","5","6","4","3","5","5","1") = "5"
    & skf21("6","5","6","4","3","5","6","1") = "5"
    & skf21("6","5","6","4","3","5","7","1") = "6"
    & skf21("6","5","6","4","3","6","1","1") = "5"
    & skf21("6","5","6","4","3","6","2","1") = "5"
    & skf21("6","5","6","4","3","6","3","1") = "5"
    & skf21("6","5","6","4","3","6","4","1") = "5"
    & skf21("6","5","6","4","3","6","5","1") = "5"
    & skf21("6","5","6","4","3","6","6","1") = "5"
    & skf21("6","5","6","4","3","6","7","1") = "6"
    & skf21("6","5","6","4","3","7","1","1") = "6"
    & skf21("6","5","6","4","3","7","2","1") = "6"
    & skf21("6","5","6","4","3","7","3","1") = "6"
    & skf21("6","5","6","4","3","7","4","1") = "6"
    & skf21("6","5","6","4","3","7","5","1") = "6"
    & skf21("6","5","6","4","3","7","6","1") = "6"
    & skf21("6","5","6","4","3","7","7","1") = "6"
    & skf21("6","5","6","4","4","1","1","1") = "5"
    & skf21("6","5","6","4","4","1","2","1") = "5"
    & skf21("6","5","6","4","4","1","3","1") = "5"
    & skf21("6","5","6","4","4","1","4","1") = "5"
    & skf21("6","5","6","4","4","1","5","1") = "5"
    & skf21("6","5","6","4","4","1","6","1") = "5"
    & skf21("6","5","6","4","4","1","7","1") = "6"
    & skf21("6","5","6","4","4","2","1","1") = "5"
    & skf21("6","5","6","4","4","2","2","1") = "5"
    & skf21("6","5","6","4","4","2","3","1") = "5"
    & skf21("6","5","6","4","4","2","4","1") = "5"
    & skf21("6","5","6","4","4","2","5","1") = "5"
    & skf21("6","5","6","4","4","2","6","1") = "5"
    & skf21("6","5","6","4","4","2","7","1") = "6"
    & skf21("6","5","6","4","4","3","1","1") = "5"
    & skf21("6","5","6","4","4","3","2","1") = "5"
    & skf21("6","5","6","4","4","3","3","1") = "5"
    & skf21("6","5","6","4","4","3","4","1") = "5"
    & skf21("6","5","6","4","4","3","5","1") = "5"
    & skf21("6","5","6","4","4","3","6","1") = "5"
    & skf21("6","5","6","4","4","3","7","1") = "6"
    & skf21("6","5","6","4","4","4","1","1") = "5"
    & skf21("6","5","6","4","4","4","2","1") = "5"
    & skf21("6","5","6","4","4","4","3","1") = "5"
    & skf21("6","5","6","4","4","4","4","1") = "5"
    & skf21("6","5","6","4","4","4","5","1") = "5"
    & skf21("6","5","6","4","4","4","6","1") = "5"
    & skf21("6","5","6","4","4","4","7","1") = "6"
    & skf21("6","5","6","4","4","5","1","1") = "5"
    & skf21("6","5","6","4","4","5","2","1") = "5"
    & skf21("6","5","6","4","4","5","3","1") = "5"
    & skf21("6","5","6","4","4","5","4","1") = "5"
    & skf21("6","5","6","4","4","5","5","1") = "5"
    & skf21("6","5","6","4","4","5","6","1") = "5"
    & skf21("6","5","6","4","4","5","7","1") = "6"
    & skf21("6","5","6","4","4","6","1","1") = "5"
    & skf21("6","5","6","4","4","6","2","1") = "5"
    & skf21("6","5","6","4","4","6","3","1") = "5"
    & skf21("6","5","6","4","4","6","4","1") = "5"
    & skf21("6","5","6","4","4","6","5","1") = "5"
    & skf21("6","5","6","4","4","6","6","1") = "5"
    & skf21("6","5","6","4","4","6","7","1") = "6"
    & skf21("6","5","6","4","4","7","1","1") = "6"
    & skf21("6","5","6","4","4","7","2","1") = "6"
    & skf21("6","5","6","4","4","7","3","1") = "6"
    & skf21("6","5","6","4","4","7","4","1") = "6"
    & skf21("6","5","6","4","4","7","5","1") = "6"
    & skf21("6","5","6","4","4","7","6","1") = "6"
    & skf21("6","5","6","4","4","7","7","1") = "6"
    & skf21("6","5","6","4","5","1","1","1") = "5"
    & skf21("6","5","6","4","5","1","2","1") = "5"
    & skf21("6","5","6","4","5","1","3","1") = "5"
    & skf21("6","5","6","4","5","1","4","1") = "5"
    & skf21("6","5","6","4","5","1","5","1") = "5"
    & skf21("6","5","6","4","5","1","6","1") = "5"
    & skf21("6","5","6","4","5","1","7","1") = "6"
    & skf21("6","5","6","4","5","2","1","1") = "5"
    & skf21("6","5","6","4","5","2","2","1") = "5"
    & skf21("6","5","6","4","5","2","3","1") = "5"
    & skf21("6","5","6","4","5","2","4","1") = "5"
    & skf21("6","5","6","4","5","2","5","1") = "5"
    & skf21("6","5","6","4","5","2","6","1") = "5"
    & skf21("6","5","6","4","5","2","7","1") = "6"
    & skf21("6","5","6","4","5","3","1","1") = "5"
    & skf21("6","5","6","4","5","3","2","1") = "5"
    & skf21("6","5","6","4","5","3","3","1") = "5"
    & skf21("6","5","6","4","5","3","4","1") = "5"
    & skf21("6","5","6","4","5","3","5","1") = "5"
    & skf21("6","5","6","4","5","3","6","1") = "5"
    & skf21("6","5","6","4","5","3","7","1") = "6"
    & skf21("6","5","6","4","5","4","1","1") = "5"
    & skf21("6","5","6","4","5","4","2","1") = "5"
    & skf21("6","5","6","4","5","4","3","1") = "5"
    & skf21("6","5","6","4","5","4","4","1") = "5"
    & skf21("6","5","6","4","5","4","5","1") = "5"
    & skf21("6","5","6","4","5","4","6","1") = "5"
    & skf21("6","5","6","4","5","4","7","1") = "6"
    & skf21("6","5","6","4","5","5","1","1") = "5"
    & skf21("6","5","6","4","5","5","2","1") = "5"
    & skf21("6","5","6","4","5","5","3","1") = "5"
    & skf21("6","5","6","4","5","5","4","1") = "5"
    & skf21("6","5","6","4","5","5","5","1") = "5"
    & skf21("6","5","6","4","5","5","6","1") = "5"
    & skf21("6","5","6","4","5","5","7","1") = "6"
    & skf21("6","5","6","4","5","6","1","1") = "5"
    & skf21("6","5","6","4","5","6","2","1") = "5"
    & skf21("6","5","6","4","5","6","3","1") = "5"
    & skf21("6","5","6","4","5","6","4","1") = "5"
    & skf21("6","5","6","4","5","6","5","1") = "5"
    & skf21("6","5","6","4","5","6","6","1") = "5"
    & skf21("6","5","6","4","5","6","7","1") = "6"
    & skf21("6","5","6","4","5","7","1","1") = "6"
    & skf21("6","5","6","4","5","7","2","1") = "6"
    & skf21("6","5","6","4","5","7","3","1") = "6"
    & skf21("6","5","6","4","5","7","4","1") = "6"
    & skf21("6","5","6","4","5","7","5","1") = "6"
    & skf21("6","5","6","4","5","7","6","1") = "6"
    & skf21("6","5","6","4","5","7","7","1") = "6"
    & skf21("6","5","6","4","6","1","1","1") = "5"
    & skf21("6","5","6","4","6","1","2","1") = "5"
    & skf21("6","5","6","4","6","1","3","1") = "5"
    & skf21("6","5","6","4","6","1","4","1") = "5"
    & skf21("6","5","6","4","6","1","5","1") = "5"
    & skf21("6","5","6","4","6","1","6","1") = "5"
    & skf21("6","5","6","4","6","1","7","1") = "6"
    & skf21("6","5","6","4","6","2","1","1") = "5"
    & skf21("6","5","6","4","6","2","2","1") = "5"
    & skf21("6","5","6","4","6","2","3","1") = "5"
    & skf21("6","5","6","4","6","2","4","1") = "5"
    & skf21("6","5","6","4","6","2","5","1") = "5"
    & skf21("6","5","6","4","6","2","6","1") = "5"
    & skf21("6","5","6","4","6","2","7","1") = "6"
    & skf21("6","5","6","4","6","3","1","1") = "5"
    & skf21("6","5","6","4","6","3","2","1") = "5"
    & skf21("6","5","6","4","6","3","3","1") = "5"
    & skf21("6","5","6","4","6","3","4","1") = "5"
    & skf21("6","5","6","4","6","3","5","1") = "5"
    & skf21("6","5","6","4","6","3","6","1") = "5"
    & skf21("6","5","6","4","6","3","7","1") = "6"
    & skf21("6","5","6","4","6","4","1","1") = "5"
    & skf21("6","5","6","4","6","4","2","1") = "5"
    & skf21("6","5","6","4","6","4","3","1") = "5"
    & skf21("6","5","6","4","6","4","4","1") = "5"
    & skf21("6","5","6","4","6","4","5","1") = "5"
    & skf21("6","5","6","4","6","4","6","1") = "5"
    & skf21("6","5","6","4","6","4","7","1") = "6"
    & skf21("6","5","6","4","6","5","1","1") = "5"
    & skf21("6","5","6","4","6","5","2","1") = "5"
    & skf21("6","5","6","4","6","5","3","1") = "5"
    & skf21("6","5","6","4","6","5","4","1") = "5"
    & skf21("6","5","6","4","6","5","5","1") = "5"
    & skf21("6","5","6","4","6","5","6","1") = "5"
    & skf21("6","5","6","4","6","5","7","1") = "6"
    & skf21("6","5","6","4","6","6","1","1") = "5"
    & skf21("6","5","6","4","6","6","2","1") = "5"
    & skf21("6","5","6","4","6","6","3","1") = "5"
    & skf21("6","5","6","4","6","6","4","1") = "5"
    & skf21("6","5","6","4","6","6","5","1") = "5"
    & skf21("6","5","6","4","6","6","6","1") = "5"
    & skf21("6","5","6","4","6","6","7","1") = "6"
    & skf21("6","5","6","4","6","7","1","1") = "6"
    & skf21("6","5","6","4","6","7","2","1") = "6"
    & skf21("6","5","6","4","6","7","3","1") = "6"
    & skf21("6","5","6","4","6","7","4","1") = "6"
    & skf21("6","5","6","4","6","7","5","1") = "6"
    & skf21("6","5","6","4","6","7","6","1") = "6"
    & skf21("6","5","6","4","6","7","7","1") = "6"
    & skf21("6","5","6","4","7","1","1","1") = "6"
    & skf21("6","5","6","4","7","1","2","1") = "6"
    & skf21("6","5","6","4","7","1","3","1") = "6"
    & skf21("6","5","6","4","7","1","4","1") = "6"
    & skf21("6","5","6","4","7","1","5","1") = "6"
    & skf21("6","5","6","4","7","1","6","1") = "6"
    & skf21("6","5","6","4","7","1","7","1") = "6"
    & skf21("6","5","6","4","7","2","1","1") = "6"
    & skf21("6","5","6","4","7","2","2","1") = "6"
    & skf21("6","5","6","4","7","2","3","1") = "6"
    & skf21("6","5","6","4","7","2","4","1") = "6"
    & skf21("6","5","6","4","7","2","5","1") = "6"
    & skf21("6","5","6","4","7","2","6","1") = "6"
    & skf21("6","5","6","4","7","2","7","1") = "6"
    & skf21("6","5","6","4","7","3","1","1") = "6"
    & skf21("6","5","6","4","7","3","2","1") = "6"
    & skf21("6","5","6","4","7","3","3","1") = "6"
    & skf21("6","5","6","4","7","3","4","1") = "6"
    & skf21("6","5","6","4","7","3","5","1") = "6"
    & skf21("6","5","6","4","7","3","6","1") = "6"
    & skf21("6","5","6","4","7","3","7","1") = "6"
    & skf21("6","5","6","4","7","4","1","1") = "6"
    & skf21("6","5","6","4","7","4","2","1") = "6"
    & skf21("6","5","6","4","7","4","3","1") = "6"
    & skf21("6","5","6","4","7","4","4","1") = "6"
    & skf21("6","5","6","4","7","4","5","1") = "6"
    & skf21("6","5","6","4","7","4","6","1") = "6"
    & skf21("6","5","6","4","7","4","7","1") = "6"
    & skf21("6","5","6","4","7","5","1","1") = "6"
    & skf21("6","5","6","4","7","5","2","1") = "6"
    & skf21("6","5","6","4","7","5","3","1") = "6"
    & skf21("6","5","6","4","7","5","4","1") = "6"
    & skf21("6","5","6","4","7","5","5","1") = "6"
    & skf21("6","5","6","4","7","5","6","1") = "6"
    & skf21("6","5","6","4","7","5","7","1") = "6"
    & skf21("6","5","6","4","7","6","1","1") = "6"
    & skf21("6","5","6","4","7","6","2","1") = "6"
    & skf21("6","5","6","4","7","6","3","1") = "6"
    & skf21("6","5","6","4","7","6","4","1") = "6"
    & skf21("6","5","6","4","7","6","5","1") = "6"
    & skf21("6","5","6","4","7","6","6","1") = "6"
    & skf21("6","5","6","4","7","6","7","1") = "6"
    & skf21("6","5","6","4","7","7","1","1") = "6"
    & skf21("6","5","6","4","7","7","2","1") = "6"
    & skf21("6","5","6","4","7","7","3","1") = "6"
    & skf21("6","5","6","4","7","7","4","1") = "6"
    & skf21("6","5","6","4","7","7","5","1") = "6"
    & skf21("6","5","6","4","7","7","6","1") = "6"
    & skf21("6","5","6","4","7","7","7","1") = "6"
    & skf21("6","5","6","5","1","1","1","1") = "5"
    & skf21("6","5","6","5","1","1","2","1") = "5"
    & skf21("6","5","6","5","1","1","3","1") = "5"
    & skf21("6","5","6","5","1","1","4","1") = "5"
    & skf21("6","5","6","5","1","1","5","1") = "5"
    & skf21("6","5","6","5","1","1","6","1") = "5"
    & skf21("6","5","6","5","1","1","7","1") = "6"
    & skf21("6","5","6","5","1","2","1","1") = "5"
    & skf21("6","5","6","5","1","2","2","1") = "5"
    & skf21("6","5","6","5","1","2","3","1") = "5"
    & skf21("6","5","6","5","1","2","4","1") = "5"
    & skf21("6","5","6","5","1","2","5","1") = "5"
    & skf21("6","5","6","5","1","2","6","1") = "5"
    & skf21("6","5","6","5","1","2","7","1") = "6"
    & skf21("6","5","6","5","1","3","1","1") = "5"
    & skf21("6","5","6","5","1","3","2","1") = "5"
    & skf21("6","5","6","5","1","3","3","1") = "5"
    & skf21("6","5","6","5","1","3","4","1") = "5"
    & skf21("6","5","6","5","1","3","5","1") = "5"
    & skf21("6","5","6","5","1","3","6","1") = "5"
    & skf21("6","5","6","5","1","3","7","1") = "6"
    & skf21("6","5","6","5","1","4","1","1") = "5"
    & skf21("6","5","6","5","1","4","2","1") = "5"
    & skf21("6","5","6","5","1","4","3","1") = "5"
    & skf21("6","5","6","5","1","4","4","1") = "5"
    & skf21("6","5","6","5","1","4","5","1") = "5"
    & skf21("6","5","6","5","1","4","6","1") = "5"
    & skf21("6","5","6","5","1","4","7","1") = "6"
    & skf21("6","5","6","5","1","5","1","1") = "5"
    & skf21("6","5","6","5","1","5","2","1") = "5"
    & skf21("6","5","6","5","1","5","3","1") = "5"
    & skf21("6","5","6","5","1","5","4","1") = "5"
    & skf21("6","5","6","5","1","5","5","1") = "5"
    & skf21("6","5","6","5","1","5","6","1") = "5"
    & skf21("6","5","6","5","1","5","7","1") = "6"
    & skf21("6","5","6","5","1","6","1","1") = "5"
    & skf21("6","5","6","5","1","6","2","1") = "5"
    & skf21("6","5","6","5","1","6","3","1") = "5"
    & skf21("6","5","6","5","1","6","4","1") = "5"
    & skf21("6","5","6","5","1","6","5","1") = "5"
    & skf21("6","5","6","5","1","6","6","1") = "5"
    & skf21("6","5","6","5","1","6","7","1") = "6"
    & skf21("6","5","6","5","1","7","1","1") = "6"
    & skf21("6","5","6","5","1","7","2","1") = "6"
    & skf21("6","5","6","5","1","7","3","1") = "6"
    & skf21("6","5","6","5","1","7","4","1") = "6"
    & skf21("6","5","6","5","1","7","5","1") = "6"
    & skf21("6","5","6","5","1","7","6","1") = "6"
    & skf21("6","5","6","5","1","7","7","1") = "6"
    & skf21("6","5","6","5","2","1","1","1") = "5"
    & skf21("6","5","6","5","2","1","2","1") = "5"
    & skf21("6","5","6","5","2","1","3","1") = "5"
    & skf21("6","5","6","5","2","1","4","1") = "5"
    & skf21("6","5","6","5","2","1","5","1") = "5"
    & skf21("6","5","6","5","2","1","6","1") = "5"
    & skf21("6","5","6","5","2","1","7","1") = "6"
    & skf21("6","5","6","5","2","2","1","1") = "5"
    & skf21("6","5","6","5","2","2","2","1") = "5"
    & skf21("6","5","6","5","2","2","3","1") = "5"
    & skf21("6","5","6","5","2","2","4","1") = "5"
    & skf21("6","5","6","5","2","2","5","1") = "5"
    & skf21("6","5","6","5","2","2","6","1") = "5"
    & skf21("6","5","6","5","2","2","7","1") = "6"
    & skf21("6","5","6","5","2","3","1","1") = "5"
    & skf21("6","5","6","5","2","3","2","1") = "5"
    & skf21("6","5","6","5","2","3","3","1") = "5"
    & skf21("6","5","6","5","2","3","4","1") = "5"
    & skf21("6","5","6","5","2","3","5","1") = "5"
    & skf21("6","5","6","5","2","3","6","1") = "5"
    & skf21("6","5","6","5","2","3","7","1") = "6"
    & skf21("6","5","6","5","2","4","1","1") = "5"
    & skf21("6","5","6","5","2","4","2","1") = "5"
    & skf21("6","5","6","5","2","4","3","1") = "5"
    & skf21("6","5","6","5","2","4","4","1") = "5"
    & skf21("6","5","6","5","2","4","5","1") = "5"
    & skf21("6","5","6","5","2","4","6","1") = "5"
    & skf21("6","5","6","5","2","4","7","1") = "6"
    & skf21("6","5","6","5","2","5","1","1") = "5"
    & skf21("6","5","6","5","2","5","2","1") = "5"
    & skf21("6","5","6","5","2","5","3","1") = "5"
    & skf21("6","5","6","5","2","5","4","1") = "5"
    & skf21("6","5","6","5","2","5","5","1") = "5"
    & skf21("6","5","6","5","2","5","6","1") = "5"
    & skf21("6","5","6","5","2","5","7","1") = "6"
    & skf21("6","5","6","5","2","6","1","1") = "5"
    & skf21("6","5","6","5","2","6","2","1") = "5"
    & skf21("6","5","6","5","2","6","3","1") = "5"
    & skf21("6","5","6","5","2","6","4","1") = "5"
    & skf21("6","5","6","5","2","6","5","1") = "5"
    & skf21("6","5","6","5","2","6","6","1") = "5"
    & skf21("6","5","6","5","2","6","7","1") = "6"
    & skf21("6","5","6","5","2","7","1","1") = "6"
    & skf21("6","5","6","5","2","7","2","1") = "6"
    & skf21("6","5","6","5","2","7","3","1") = "6"
    & skf21("6","5","6","5","2","7","4","1") = "6"
    & skf21("6","5","6","5","2","7","5","1") = "6"
    & skf21("6","5","6","5","2","7","6","1") = "6"
    & skf21("6","5","6","5","2","7","7","1") = "6"
    & skf21("6","5","6","5","3","1","1","1") = "5"
    & skf21("6","5","6","5","3","1","2","1") = "5"
    & skf21("6","5","6","5","3","1","3","1") = "5"
    & skf21("6","5","6","5","3","1","4","1") = "5"
    & skf21("6","5","6","5","3","1","5","1") = "5"
    & skf21("6","5","6","5","3","1","6","1") = "5"
    & skf21("6","5","6","5","3","1","7","1") = "6"
    & skf21("6","5","6","5","3","2","1","1") = "5"
    & skf21("6","5","6","5","3","2","2","1") = "5"
    & skf21("6","5","6","5","3","2","3","1") = "5"
    & skf21("6","5","6","5","3","2","4","1") = "5"
    & skf21("6","5","6","5","3","2","5","1") = "5"
    & skf21("6","5","6","5","3","2","6","1") = "5"
    & skf21("6","5","6","5","3","2","7","1") = "6"
    & skf21("6","5","6","5","3","3","1","1") = "5"
    & skf21("6","5","6","5","3","3","2","1") = "5"
    & skf21("6","5","6","5","3","3","3","1") = "5"
    & skf21("6","5","6","5","3","3","4","1") = "5"
    & skf21("6","5","6","5","3","3","5","1") = "5"
    & skf21("6","5","6","5","3","3","6","1") = "5"
    & skf21("6","5","6","5","3","3","7","1") = "6"
    & skf21("6","5","6","5","3","4","1","1") = "5"
    & skf21("6","5","6","5","3","4","2","1") = "5"
    & skf21("6","5","6","5","3","4","3","1") = "5"
    & skf21("6","5","6","5","3","4","4","1") = "5"
    & skf21("6","5","6","5","3","4","5","1") = "5"
    & skf21("6","5","6","5","3","4","6","1") = "5"
    & skf21("6","5","6","5","3","4","7","1") = "6"
    & skf21("6","5","6","5","3","5","1","1") = "5"
    & skf21("6","5","6","5","3","5","2","1") = "5"
    & skf21("6","5","6","5","3","5","3","1") = "5"
    & skf21("6","5","6","5","3","5","4","1") = "5"
    & skf21("6","5","6","5","3","5","5","1") = "5"
    & skf21("6","5","6","5","3","5","6","1") = "5"
    & skf21("6","5","6","5","3","5","7","1") = "6"
    & skf21("6","5","6","5","3","6","1","1") = "5"
    & skf21("6","5","6","5","3","6","2","1") = "5"
    & skf21("6","5","6","5","3","6","3","1") = "5"
    & skf21("6","5","6","5","3","6","4","1") = "5"
    & skf21("6","5","6","5","3","6","5","1") = "5"
    & skf21("6","5","6","5","3","6","6","1") = "5"
    & skf21("6","5","6","5","3","6","7","1") = "6"
    & skf21("6","5","6","5","3","7","1","1") = "6"
    & skf21("6","5","6","5","3","7","2","1") = "6"
    & skf21("6","5","6","5","3","7","3","1") = "6"
    & skf21("6","5","6","5","3","7","4","1") = "6"
    & skf21("6","5","6","5","3","7","5","1") = "6"
    & skf21("6","5","6","5","3","7","6","1") = "6"
    & skf21("6","5","6","5","3","7","7","1") = "6"
    & skf21("6","5","6","5","4","1","1","1") = "5"
    & skf21("6","5","6","5","4","1","2","1") = "5"
    & skf21("6","5","6","5","4","1","3","1") = "5"
    & skf21("6","5","6","5","4","1","4","1") = "5"
    & skf21("6","5","6","5","4","1","5","1") = "5"
    & skf21("6","5","6","5","4","1","6","1") = "5"
    & skf21("6","5","6","5","4","1","7","1") = "6"
    & skf21("6","5","6","5","4","2","1","1") = "5"
    & skf21("6","5","6","5","4","2","2","1") = "5"
    & skf21("6","5","6","5","4","2","3","1") = "5"
    & skf21("6","5","6","5","4","2","4","1") = "5"
    & skf21("6","5","6","5","4","2","5","1") = "5"
    & skf21("6","5","6","5","4","2","6","1") = "5"
    & skf21("6","5","6","5","4","2","7","1") = "6"
    & skf21("6","5","6","5","4","3","1","1") = "5"
    & skf21("6","5","6","5","4","3","2","1") = "5"
    & skf21("6","5","6","5","4","3","3","1") = "5"
    & skf21("6","5","6","5","4","3","4","1") = "5"
    & skf21("6","5","6","5","4","3","5","1") = "5"
    & skf21("6","5","6","5","4","3","6","1") = "5"
    & skf21("6","5","6","5","4","3","7","1") = "6"
    & skf21("6","5","6","5","4","4","1","1") = "5"
    & skf21("6","5","6","5","4","4","2","1") = "5"
    & skf21("6","5","6","5","4","4","3","1") = "5"
    & skf21("6","5","6","5","4","4","4","1") = "5"
    & skf21("6","5","6","5","4","4","5","1") = "5"
    & skf21("6","5","6","5","4","4","6","1") = "5"
    & skf21("6","5","6","5","4","4","7","1") = "6"
    & skf21("6","5","6","5","4","5","1","1") = "5"
    & skf21("6","5","6","5","4","5","2","1") = "5"
    & skf21("6","5","6","5","4","5","3","1") = "5"
    & skf21("6","5","6","5","4","5","4","1") = "5"
    & skf21("6","5","6","5","4","5","5","1") = "5"
    & skf21("6","5","6","5","4","5","6","1") = "5"
    & skf21("6","5","6","5","4","5","7","1") = "6"
    & skf21("6","5","6","5","4","6","1","1") = "5"
    & skf21("6","5","6","5","4","6","2","1") = "5"
    & skf21("6","5","6","5","4","6","3","1") = "5"
    & skf21("6","5","6","5","4","6","4","1") = "5"
    & skf21("6","5","6","5","4","6","5","1") = "5"
    & skf21("6","5","6","5","4","6","6","1") = "5"
    & skf21("6","5","6","5","4","6","7","1") = "6"
    & skf21("6","5","6","5","4","7","1","1") = "6"
    & skf21("6","5","6","5","4","7","2","1") = "6"
    & skf21("6","5","6","5","4","7","3","1") = "6"
    & skf21("6","5","6","5","4","7","4","1") = "6"
    & skf21("6","5","6","5","4","7","5","1") = "6"
    & skf21("6","5","6","5","4","7","6","1") = "6"
    & skf21("6","5","6","5","4","7","7","1") = "6"
    & skf21("6","5","6","5","5","1","1","1") = "5"
    & skf21("6","5","6","5","5","1","2","1") = "5"
    & skf21("6","5","6","5","5","1","3","1") = "5"
    & skf21("6","5","6","5","5","1","4","1") = "5"
    & skf21("6","5","6","5","5","1","5","1") = "5"
    & skf21("6","5","6","5","5","1","6","1") = "5"
    & skf21("6","5","6","5","5","1","7","1") = "6"
    & skf21("6","5","6","5","5","2","1","1") = "5"
    & skf21("6","5","6","5","5","2","2","1") = "5"
    & skf21("6","5","6","5","5","2","3","1") = "5"
    & skf21("6","5","6","5","5","2","4","1") = "5"
    & skf21("6","5","6","5","5","2","5","1") = "5"
    & skf21("6","5","6","5","5","2","6","1") = "5"
    & skf21("6","5","6","5","5","2","7","1") = "6"
    & skf21("6","5","6","5","5","3","1","1") = "5"
    & skf21("6","5","6","5","5","3","2","1") = "5"
    & skf21("6","5","6","5","5","3","3","1") = "5"
    & skf21("6","5","6","5","5","3","4","1") = "5"
    & skf21("6","5","6","5","5","3","5","1") = "5"
    & skf21("6","5","6","5","5","3","6","1") = "5"
    & skf21("6","5","6","5","5","3","7","1") = "6"
    & skf21("6","5","6","5","5","4","1","1") = "5"
    & skf21("6","5","6","5","5","4","2","1") = "5"
    & skf21("6","5","6","5","5","4","3","1") = "5"
    & skf21("6","5","6","5","5","4","4","1") = "5"
    & skf21("6","5","6","5","5","4","5","1") = "5"
    & skf21("6","5","6","5","5","4","6","1") = "5"
    & skf21("6","5","6","5","5","4","7","1") = "6"
    & skf21("6","5","6","5","5","5","1","1") = "5"
    & skf21("6","5","6","5","5","5","2","1") = "5"
    & skf21("6","5","6","5","5","5","3","1") = "5"
    & skf21("6","5","6","5","5","5","4","1") = "5"
    & skf21("6","5","6","5","5","5","5","1") = "5"
    & skf21("6","5","6","5","5","5","6","1") = "5"
    & skf21("6","5","6","5","5","5","7","1") = "6"
    & skf21("6","5","6","5","5","6","1","1") = "5"
    & skf21("6","5","6","5","5","6","2","1") = "5"
    & skf21("6","5","6","5","5","6","3","1") = "5"
    & skf21("6","5","6","5","5","6","4","1") = "5"
    & skf21("6","5","6","5","5","6","5","1") = "5"
    & skf21("6","5","6","5","5","6","6","1") = "5"
    & skf21("6","5","6","5","5","6","7","1") = "6"
    & skf21("6","5","6","5","5","7","1","1") = "6"
    & skf21("6","5","6","5","5","7","2","1") = "6"
    & skf21("6","5","6","5","5","7","3","1") = "6"
    & skf21("6","5","6","5","5","7","4","1") = "6"
    & skf21("6","5","6","5","5","7","5","1") = "6"
    & skf21("6","5","6","5","5","7","6","1") = "6"
    & skf21("6","5","6","5","5","7","7","1") = "6"
    & skf21("6","5","6","5","6","1","1","1") = "5"
    & skf21("6","5","6","5","6","1","2","1") = "5"
    & skf21("6","5","6","5","6","1","3","1") = "5"
    & skf21("6","5","6","5","6","1","4","1") = "5"
    & skf21("6","5","6","5","6","1","5","1") = "5"
    & skf21("6","5","6","5","6","1","6","1") = "5"
    & skf21("6","5","6","5","6","1","7","1") = "6"
    & skf21("6","5","6","5","6","2","1","1") = "5"
    & skf21("6","5","6","5","6","2","2","1") = "5"
    & skf21("6","5","6","5","6","2","3","1") = "5"
    & skf21("6","5","6","5","6","2","4","1") = "5"
    & skf21("6","5","6","5","6","2","5","1") = "5"
    & skf21("6","5","6","5","6","2","6","1") = "5"
    & skf21("6","5","6","5","6","2","7","1") = "6"
    & skf21("6","5","6","5","6","3","1","1") = "5"
    & skf21("6","5","6","5","6","3","2","1") = "5"
    & skf21("6","5","6","5","6","3","3","1") = "5"
    & skf21("6","5","6","5","6","3","4","1") = "5"
    & skf21("6","5","6","5","6","3","5","1") = "5"
    & skf21("6","5","6","5","6","3","6","1") = "5"
    & skf21("6","5","6","5","6","3","7","1") = "6"
    & skf21("6","5","6","5","6","4","1","1") = "5"
    & skf21("6","5","6","5","6","4","2","1") = "5"
    & skf21("6","5","6","5","6","4","3","1") = "5"
    & skf21("6","5","6","5","6","4","4","1") = "5"
    & skf21("6","5","6","5","6","4","5","1") = "5"
    & skf21("6","5","6","5","6","4","6","1") = "5"
    & skf21("6","5","6","5","6","4","7","1") = "6"
    & skf21("6","5","6","5","6","5","1","1") = "5"
    & skf21("6","5","6","5","6","5","2","1") = "5"
    & skf21("6","5","6","5","6","5","3","1") = "5"
    & skf21("6","5","6","5","6","5","4","1") = "5"
    & skf21("6","5","6","5","6","5","5","1") = "5"
    & skf21("6","5","6","5","6","5","6","1") = "5"
    & skf21("6","5","6","5","6","5","7","1") = "6"
    & skf21("6","5","6","5","6","6","1","1") = "5"
    & skf21("6","5","6","5","6","6","2","1") = "5"
    & skf21("6","5","6","5","6","6","3","1") = "5"
    & skf21("6","5","6","5","6","6","4","1") = "5"
    & skf21("6","5","6","5","6","6","5","1") = "5"
    & skf21("6","5","6","5","6","6","6","1") = "5"
    & skf21("6","5","6","5","6","6","7","1") = "6"
    & skf21("6","5","6","5","6","7","1","1") = "6"
    & skf21("6","5","6","5","6","7","2","1") = "6"
    & skf21("6","5","6","5","6","7","3","1") = "6"
    & skf21("6","5","6","5","6","7","4","1") = "6"
    & skf21("6","5","6","5","6","7","5","1") = "6"
    & skf21("6","5","6","5","6","7","6","1") = "6"
    & skf21("6","5","6","5","6","7","7","1") = "6"
    & skf21("6","5","6","5","7","1","1","1") = "6"
    & skf21("6","5","6","5","7","1","2","1") = "6"
    & skf21("6","5","6","5","7","1","3","1") = "6"
    & skf21("6","5","6","5","7","1","4","1") = "6"
    & skf21("6","5","6","5","7","1","5","1") = "6"
    & skf21("6","5","6","5","7","1","6","1") = "6"
    & skf21("6","5","6","5","7","1","7","1") = "6"
    & skf21("6","5","6","5","7","2","1","1") = "6"
    & skf21("6","5","6","5","7","2","2","1") = "6"
    & skf21("6","5","6","5","7","2","3","1") = "6"
    & skf21("6","5","6","5","7","2","4","1") = "6"
    & skf21("6","5","6","5","7","2","5","1") = "6"
    & skf21("6","5","6","5","7","2","6","1") = "6"
    & skf21("6","5","6","5","7","2","7","1") = "6"
    & skf21("6","5","6","5","7","3","1","1") = "6"
    & skf21("6","5","6","5","7","3","2","1") = "6"
    & skf21("6","5","6","5","7","3","3","1") = "6"
    & skf21("6","5","6","5","7","3","4","1") = "6"
    & skf21("6","5","6","5","7","3","5","1") = "6"
    & skf21("6","5","6","5","7","3","6","1") = "6"
    & skf21("6","5","6","5","7","3","7","1") = "6"
    & skf21("6","5","6","5","7","4","1","1") = "6"
    & skf21("6","5","6","5","7","4","2","1") = "6"
    & skf21("6","5","6","5","7","4","3","1") = "6"
    & skf21("6","5","6","5","7","4","4","1") = "6"
    & skf21("6","5","6","5","7","4","5","1") = "6"
    & skf21("6","5","6","5","7","4","6","1") = "6"
    & skf21("6","5","6","5","7","4","7","1") = "6"
    & skf21("6","5","6","5","7","5","1","1") = "6"
    & skf21("6","5","6","5","7","5","2","1") = "6"
    & skf21("6","5","6","5","7","5","3","1") = "6"
    & skf21("6","5","6","5","7","5","4","1") = "6"
    & skf21("6","5","6","5","7","5","5","1") = "6"
    & skf21("6","5","6","5","7","5","6","1") = "6"
    & skf21("6","5","6","5","7","5","7","1") = "6"
    & skf21("6","5","6","5","7","6","1","1") = "6"
    & skf21("6","5","6","5","7","6","2","1") = "6"
    & skf21("6","5","6","5","7","6","3","1") = "6"
    & skf21("6","5","6","5","7","6","4","1") = "6"
    & skf21("6","5","6","5","7","6","5","1") = "6"
    & skf21("6","5","6","5","7","6","6","1") = "6"
    & skf21("6","5","6","5","7","6","7","1") = "6"
    & skf21("6","5","6","5","7","7","1","1") = "6"
    & skf21("6","5","6","5","7","7","2","1") = "6"
    & skf21("6","5","6","5","7","7","3","1") = "6"
    & skf21("6","5","6","5","7","7","4","1") = "6"
    & skf21("6","5","6","5","7","7","5","1") = "6"
    & skf21("6","5","6","5","7","7","6","1") = "6"
    & skf21("6","5","6","5","7","7","7","1") = "6"
    & skf21("6","5","6","6","1","1","1","1") = "5"
    & skf21("6","5","6","6","1","1","2","1") = "5"
    & skf21("6","5","6","6","1","1","3","1") = "5"
    & skf21("6","5","6","6","1","1","4","1") = "5"
    & skf21("6","5","6","6","1","1","5","1") = "5"
    & skf21("6","5","6","6","1","1","6","1") = "5"
    & skf21("6","5","6","6","1","1","7","1") = "6"
    & skf21("6","5","6","6","1","2","1","1") = "5"
    & skf21("6","5","6","6","1","2","2","1") = "5"
    & skf21("6","5","6","6","1","2","3","1") = "5"
    & skf21("6","5","6","6","1","2","4","1") = "5"
    & skf21("6","5","6","6","1","2","5","1") = "5"
    & skf21("6","5","6","6","1","2","6","1") = "5"
    & skf21("6","5","6","6","1","2","7","1") = "6"
    & skf21("6","5","6","6","1","3","1","1") = "5"
    & skf21("6","5","6","6","1","3","2","1") = "5"
    & skf21("6","5","6","6","1","3","3","1") = "5"
    & skf21("6","5","6","6","1","3","4","1") = "5"
    & skf21("6","5","6","6","1","3","5","1") = "5"
    & skf21("6","5","6","6","1","3","6","1") = "5"
    & skf21("6","5","6","6","1","3","7","1") = "6"
    & skf21("6","5","6","6","1","4","1","1") = "5"
    & skf21("6","5","6","6","1","4","2","1") = "5"
    & skf21("6","5","6","6","1","4","3","1") = "5"
    & skf21("6","5","6","6","1","4","4","1") = "5"
    & skf21("6","5","6","6","1","4","5","1") = "5"
    & skf21("6","5","6","6","1","4","6","1") = "5"
    & skf21("6","5","6","6","1","4","7","1") = "6"
    & skf21("6","5","6","6","1","5","1","1") = "5"
    & skf21("6","5","6","6","1","5","2","1") = "5"
    & skf21("6","5","6","6","1","5","3","1") = "5"
    & skf21("6","5","6","6","1","5","4","1") = "5"
    & skf21("6","5","6","6","1","5","5","1") = "5"
    & skf21("6","5","6","6","1","5","6","1") = "5"
    & skf21("6","5","6","6","1","5","7","1") = "6"
    & skf21("6","5","6","6","1","6","1","1") = "5"
    & skf21("6","5","6","6","1","6","2","1") = "5"
    & skf21("6","5","6","6","1","6","3","1") = "5"
    & skf21("6","5","6","6","1","6","4","1") = "5"
    & skf21("6","5","6","6","1","6","5","1") = "5"
    & skf21("6","5","6","6","1","6","6","1") = "5"
    & skf21("6","5","6","6","1","6","7","1") = "6"
    & skf21("6","5","6","6","1","7","1","1") = "6"
    & skf21("6","5","6","6","1","7","2","1") = "6"
    & skf21("6","5","6","6","1","7","3","1") = "6"
    & skf21("6","5","6","6","1","7","4","1") = "6"
    & skf21("6","5","6","6","1","7","5","1") = "6"
    & skf21("6","5","6","6","1","7","6","1") = "6"
    & skf21("6","5","6","6","1","7","7","1") = "6"
    & skf21("6","5","6","6","2","1","1","1") = "5"
    & skf21("6","5","6","6","2","1","2","1") = "5"
    & skf21("6","5","6","6","2","1","3","1") = "5"
    & skf21("6","5","6","6","2","1","4","1") = "5"
    & skf21("6","5","6","6","2","1","5","1") = "5"
    & skf21("6","5","6","6","2","1","6","1") = "5"
    & skf21("6","5","6","6","2","1","7","1") = "6"
    & skf21("6","5","6","6","2","2","1","1") = "5"
    & skf21("6","5","6","6","2","2","2","1") = "5"
    & skf21("6","5","6","6","2","2","3","1") = "5"
    & skf21("6","5","6","6","2","2","4","1") = "5"
    & skf21("6","5","6","6","2","2","5","1") = "5"
    & skf21("6","5","6","6","2","2","6","1") = "5"
    & skf21("6","5","6","6","2","2","7","1") = "6"
    & skf21("6","5","6","6","2","3","1","1") = "5"
    & skf21("6","5","6","6","2","3","2","1") = "5"
    & skf21("6","5","6","6","2","3","3","1") = "5"
    & skf21("6","5","6","6","2","3","4","1") = "5"
    & skf21("6","5","6","6","2","3","5","1") = "5"
    & skf21("6","5","6","6","2","3","6","1") = "5"
    & skf21("6","5","6","6","2","3","7","1") = "6"
    & skf21("6","5","6","6","2","4","1","1") = "5"
    & skf21("6","5","6","6","2","4","2","1") = "5"
    & skf21("6","5","6","6","2","4","3","1") = "5"
    & skf21("6","5","6","6","2","4","4","1") = "5"
    & skf21("6","5","6","6","2","4","5","1") = "5"
    & skf21("6","5","6","6","2","4","6","1") = "5"
    & skf21("6","5","6","6","2","4","7","1") = "6"
    & skf21("6","5","6","6","2","5","1","1") = "5"
    & skf21("6","5","6","6","2","5","2","1") = "5"
    & skf21("6","5","6","6","2","5","3","1") = "5"
    & skf21("6","5","6","6","2","5","4","1") = "5"
    & skf21("6","5","6","6","2","5","5","1") = "5"
    & skf21("6","5","6","6","2","5","6","1") = "5"
    & skf21("6","5","6","6","2","5","7","1") = "6"
    & skf21("6","5","6","6","2","6","1","1") = "5"
    & skf21("6","5","6","6","2","6","2","1") = "5"
    & skf21("6","5","6","6","2","6","3","1") = "5"
    & skf21("6","5","6","6","2","6","4","1") = "5"
    & skf21("6","5","6","6","2","6","5","1") = "5"
    & skf21("6","5","6","6","2","6","6","1") = "5"
    & skf21("6","5","6","6","2","6","7","1") = "6"
    & skf21("6","5","6","6","2","7","1","1") = "6"
    & skf21("6","5","6","6","2","7","2","1") = "6"
    & skf21("6","5","6","6","2","7","3","1") = "6"
    & skf21("6","5","6","6","2","7","4","1") = "6"
    & skf21("6","5","6","6","2","7","5","1") = "6"
    & skf21("6","5","6","6","2","7","6","1") = "6"
    & skf21("6","5","6","6","2","7","7","1") = "6"
    & skf21("6","5","6","6","3","1","1","1") = "5"
    & skf21("6","5","6","6","3","1","2","1") = "5"
    & skf21("6","5","6","6","3","1","3","1") = "5"
    & skf21("6","5","6","6","3","1","4","1") = "5"
    & skf21("6","5","6","6","3","1","5","1") = "5"
    & skf21("6","5","6","6","3","1","6","1") = "5"
    & skf21("6","5","6","6","3","1","7","1") = "6"
    & skf21("6","5","6","6","3","2","1","1") = "5"
    & skf21("6","5","6","6","3","2","2","1") = "5"
    & skf21("6","5","6","6","3","2","3","1") = "5"
    & skf21("6","5","6","6","3","2","4","1") = "5"
    & skf21("6","5","6","6","3","2","5","1") = "5"
    & skf21("6","5","6","6","3","2","6","1") = "5"
    & skf21("6","5","6","6","3","2","7","1") = "6"
    & skf21("6","5","6","6","3","3","1","1") = "5"
    & skf21("6","5","6","6","3","3","2","1") = "5"
    & skf21("6","5","6","6","3","3","3","1") = "5"
    & skf21("6","5","6","6","3","3","4","1") = "5"
    & skf21("6","5","6","6","3","3","5","1") = "5"
    & skf21("6","5","6","6","3","3","6","1") = "5"
    & skf21("6","5","6","6","3","3","7","1") = "6"
    & skf21("6","5","6","6","3","4","1","1") = "5"
    & skf21("6","5","6","6","3","4","2","1") = "5"
    & skf21("6","5","6","6","3","4","3","1") = "5"
    & skf21("6","5","6","6","3","4","4","1") = "5"
    & skf21("6","5","6","6","3","4","5","1") = "5"
    & skf21("6","5","6","6","3","4","6","1") = "5"
    & skf21("6","5","6","6","3","4","7","1") = "6"
    & skf21("6","5","6","6","3","5","1","1") = "5"
    & skf21("6","5","6","6","3","5","2","1") = "5"
    & skf21("6","5","6","6","3","5","3","1") = "5"
    & skf21("6","5","6","6","3","5","4","1") = "5"
    & skf21("6","5","6","6","3","5","5","1") = "5"
    & skf21("6","5","6","6","3","5","6","1") = "5"
    & skf21("6","5","6","6","3","5","7","1") = "6"
    & skf21("6","5","6","6","3","6","1","1") = "5"
    & skf21("6","5","6","6","3","6","2","1") = "5"
    & skf21("6","5","6","6","3","6","3","1") = "5"
    & skf21("6","5","6","6","3","6","4","1") = "5"
    & skf21("6","5","6","6","3","6","5","1") = "5"
    & skf21("6","5","6","6","3","6","6","1") = "5"
    & skf21("6","5","6","6","3","6","7","1") = "6"
    & skf21("6","5","6","6","3","7","1","1") = "6"
    & skf21("6","5","6","6","3","7","2","1") = "6"
    & skf21("6","5","6","6","3","7","3","1") = "6"
    & skf21("6","5","6","6","3","7","4","1") = "6"
    & skf21("6","5","6","6","3","7","5","1") = "6"
    & skf21("6","5","6","6","3","7","6","1") = "6"
    & skf21("6","5","6","6","3","7","7","1") = "6"
    & skf21("6","5","6","6","4","1","1","1") = "5"
    & skf21("6","5","6","6","4","1","2","1") = "5"
    & skf21("6","5","6","6","4","1","3","1") = "5"
    & skf21("6","5","6","6","4","1","4","1") = "5"
    & skf21("6","5","6","6","4","1","5","1") = "5"
    & skf21("6","5","6","6","4","1","6","1") = "5"
    & skf21("6","5","6","6","4","1","7","1") = "6"
    & skf21("6","5","6","6","4","2","1","1") = "5"
    & skf21("6","5","6","6","4","2","2","1") = "5"
    & skf21("6","5","6","6","4","2","3","1") = "5"
    & skf21("6","5","6","6","4","2","4","1") = "5"
    & skf21("6","5","6","6","4","2","5","1") = "5"
    & skf21("6","5","6","6","4","2","6","1") = "5"
    & skf21("6","5","6","6","4","2","7","1") = "6"
    & skf21("6","5","6","6","4","3","1","1") = "5"
    & skf21("6","5","6","6","4","3","2","1") = "5"
    & skf21("6","5","6","6","4","3","3","1") = "5"
    & skf21("6","5","6","6","4","3","4","1") = "5"
    & skf21("6","5","6","6","4","3","5","1") = "5"
    & skf21("6","5","6","6","4","3","6","1") = "5"
    & skf21("6","5","6","6","4","3","7","1") = "6"
    & skf21("6","5","6","6","4","4","1","1") = "5"
    & skf21("6","5","6","6","4","4","2","1") = "5"
    & skf21("6","5","6","6","4","4","3","1") = "5"
    & skf21("6","5","6","6","4","4","4","1") = "5"
    & skf21("6","5","6","6","4","4","5","1") = "5"
    & skf21("6","5","6","6","4","4","6","1") = "5"
    & skf21("6","5","6","6","4","4","7","1") = "6"
    & skf21("6","5","6","6","4","5","1","1") = "5"
    & skf21("6","5","6","6","4","5","2","1") = "5"
    & skf21("6","5","6","6","4","5","3","1") = "5"
    & skf21("6","5","6","6","4","5","4","1") = "5"
    & skf21("6","5","6","6","4","5","5","1") = "5"
    & skf21("6","5","6","6","4","5","6","1") = "5"
    & skf21("6","5","6","6","4","5","7","1") = "6"
    & skf21("6","5","6","6","4","6","1","1") = "5"
    & skf21("6","5","6","6","4","6","2","1") = "5"
    & skf21("6","5","6","6","4","6","3","1") = "5"
    & skf21("6","5","6","6","4","6","4","1") = "5"
    & skf21("6","5","6","6","4","6","5","1") = "5"
    & skf21("6","5","6","6","4","6","6","1") = "5"
    & skf21("6","5","6","6","4","6","7","1") = "6"
    & skf21("6","5","6","6","4","7","1","1") = "6"
    & skf21("6","5","6","6","4","7","2","1") = "6"
    & skf21("6","5","6","6","4","7","3","1") = "6"
    & skf21("6","5","6","6","4","7","4","1") = "6"
    & skf21("6","5","6","6","4","7","5","1") = "6"
    & skf21("6","5","6","6","4","7","6","1") = "6"
    & skf21("6","5","6","6","4","7","7","1") = "6"
    & skf21("6","5","6","6","5","1","1","1") = "5"
    & skf21("6","5","6","6","5","1","2","1") = "5"
    & skf21("6","5","6","6","5","1","3","1") = "5"
    & skf21("6","5","6","6","5","1","4","1") = "5"
    & skf21("6","5","6","6","5","1","5","1") = "5"
    & skf21("6","5","6","6","5","1","6","1") = "5"
    & skf21("6","5","6","6","5","1","7","1") = "6"
    & skf21("6","5","6","6","5","2","1","1") = "5"
    & skf21("6","5","6","6","5","2","2","1") = "5"
    & skf21("6","5","6","6","5","2","3","1") = "5"
    & skf21("6","5","6","6","5","2","4","1") = "5"
    & skf21("6","5","6","6","5","2","5","1") = "5"
    & skf21("6","5","6","6","5","2","6","1") = "5"
    & skf21("6","5","6","6","5","2","7","1") = "6"
    & skf21("6","5","6","6","5","3","1","1") = "5"
    & skf21("6","5","6","6","5","3","2","1") = "5"
    & skf21("6","5","6","6","5","3","3","1") = "5"
    & skf21("6","5","6","6","5","3","4","1") = "5"
    & skf21("6","5","6","6","5","3","5","1") = "5"
    & skf21("6","5","6","6","5","3","6","1") = "5"
    & skf21("6","5","6","6","5","3","7","1") = "6"
    & skf21("6","5","6","6","5","4","1","1") = "5"
    & skf21("6","5","6","6","5","4","2","1") = "5"
    & skf21("6","5","6","6","5","4","3","1") = "5"
    & skf21("6","5","6","6","5","4","4","1") = "5"
    & skf21("6","5","6","6","5","4","5","1") = "5"
    & skf21("6","5","6","6","5","4","6","1") = "5"
    & skf21("6","5","6","6","5","4","7","1") = "6"
    & skf21("6","5","6","6","5","5","1","1") = "5"
    & skf21("6","5","6","6","5","5","2","1") = "5"
    & skf21("6","5","6","6","5","5","3","1") = "5"
    & skf21("6","5","6","6","5","5","4","1") = "5"
    & skf21("6","5","6","6","5","5","5","1") = "5"
    & skf21("6","5","6","6","5","5","6","1") = "5"
    & skf21("6","5","6","6","5","5","7","1") = "6"
    & skf21("6","5","6","6","5","6","1","1") = "5"
    & skf21("6","5","6","6","5","6","2","1") = "5"
    & skf21("6","5","6","6","5","6","3","1") = "5"
    & skf21("6","5","6","6","5","6","4","1") = "5"
    & skf21("6","5","6","6","5","6","5","1") = "5"
    & skf21("6","5","6","6","5","6","6","1") = "5"
    & skf21("6","5","6","6","5","6","7","1") = "6"
    & skf21("6","5","6","6","5","7","1","1") = "6"
    & skf21("6","5","6","6","5","7","2","1") = "6"
    & skf21("6","5","6","6","5","7","3","1") = "6"
    & skf21("6","5","6","6","5","7","4","1") = "6"
    & skf21("6","5","6","6","5","7","5","1") = "6"
    & skf21("6","5","6","6","5","7","6","1") = "6"
    & skf21("6","5","6","6","5","7","7","1") = "6"
    & skf21("6","5","6","6","6","1","1","1") = "5"
    & skf21("6","5","6","6","6","1","2","1") = "5"
    & skf21("6","5","6","6","6","1","3","1") = "5"
    & skf21("6","5","6","6","6","1","4","1") = "5"
    & skf21("6","5","6","6","6","1","5","1") = "5"
    & skf21("6","5","6","6","6","1","6","1") = "5"
    & skf21("6","5","6","6","6","1","7","1") = "6"
    & skf21("6","5","6","6","6","2","1","1") = "5"
    & skf21("6","5","6","6","6","2","2","1") = "5"
    & skf21("6","5","6","6","6","2","3","1") = "5"
    & skf21("6","5","6","6","6","2","4","1") = "5"
    & skf21("6","5","6","6","6","2","5","1") = "5"
    & skf21("6","5","6","6","6","2","6","1") = "5"
    & skf21("6","5","6","6","6","2","7","1") = "6"
    & skf21("6","5","6","6","6","3","1","1") = "5"
    & skf21("6","5","6","6","6","3","2","1") = "5"
    & skf21("6","5","6","6","6","3","3","1") = "5"
    & skf21("6","5","6","6","6","3","4","1") = "5"
    & skf21("6","5","6","6","6","3","5","1") = "5"
    & skf21("6","5","6","6","6","3","6","1") = "5"
    & skf21("6","5","6","6","6","3","7","1") = "6"
    & skf21("6","5","6","6","6","4","1","1") = "5"
    & skf21("6","5","6","6","6","4","2","1") = "5"
    & skf21("6","5","6","6","6","4","3","1") = "5"
    & skf21("6","5","6","6","6","4","4","1") = "5"
    & skf21("6","5","6","6","6","4","5","1") = "5"
    & skf21("6","5","6","6","6","4","6","1") = "5"
    & skf21("6","5","6","6","6","4","7","1") = "6"
    & skf21("6","5","6","6","6","5","1","1") = "5"
    & skf21("6","5","6","6","6","5","2","1") = "5"
    & skf21("6","5","6","6","6","5","3","1") = "5"
    & skf21("6","5","6","6","6","5","4","1") = "5"
    & skf21("6","5","6","6","6","5","5","1") = "5"
    & skf21("6","5","6","6","6","5","6","1") = "5"
    & skf21("6","5","6","6","6","5","7","1") = "6"
    & skf21("6","5","6","6","6","6","1","1") = "5"
    & skf21("6","5","6","6","6","6","2","1") = "5"
    & skf21("6","5","6","6","6","6","3","1") = "5"
    & skf21("6","5","6","6","6","6","4","1") = "5"
    & skf21("6","5","6","6","6","6","5","1") = "5"
    & skf21("6","5","6","6","6","6","6","1") = "5"
    & skf21("6","5","6","6","6","6","7","1") = "6"
    & skf21("6","5","6","6","6","7","1","1") = "6"
    & skf21("6","5","6","6","6","7","2","1") = "6"
    & skf21("6","5","6","6","6","7","3","1") = "6"
    & skf21("6","5","6","6","6","7","4","1") = "6"
    & skf21("6","5","6","6","6","7","5","1") = "6"
    & skf21("6","5","6","6","6","7","6","1") = "6"
    & skf21("6","5","6","6","6","7","7","1") = "6"
    & skf21("6","5","6","6","7","1","1","1") = "6"
    & skf21("6","5","6","6","7","1","2","1") = "6"
    & skf21("6","5","6","6","7","1","3","1") = "6"
    & skf21("6","5","6","6","7","1","4","1") = "6"
    & skf21("6","5","6","6","7","1","5","1") = "6"
    & skf21("6","5","6","6","7","1","6","1") = "6"
    & skf21("6","5","6","6","7","1","7","1") = "6"
    & skf21("6","5","6","6","7","2","1","1") = "6"
    & skf21("6","5","6","6","7","2","2","1") = "6"
    & skf21("6","5","6","6","7","2","3","1") = "6"
    & skf21("6","5","6","6","7","2","4","1") = "6"
    & skf21("6","5","6","6","7","2","5","1") = "6"
    & skf21("6","5","6","6","7","2","6","1") = "6"
    & skf21("6","5","6","6","7","2","7","1") = "6"
    & skf21("6","5","6","6","7","3","1","1") = "6"
    & skf21("6","5","6","6","7","3","2","1") = "6"
    & skf21("6","5","6","6","7","3","3","1") = "6"
    & skf21("6","5","6","6","7","3","4","1") = "6"
    & skf21("6","5","6","6","7","3","5","1") = "6"
    & skf21("6","5","6","6","7","3","6","1") = "6"
    & skf21("6","5","6","6","7","3","7","1") = "6"
    & skf21("6","5","6","6","7","4","1","1") = "6"
    & skf21("6","5","6","6","7","4","2","1") = "6"
    & skf21("6","5","6","6","7","4","3","1") = "6"
    & skf21("6","5","6","6","7","4","4","1") = "6"
    & skf21("6","5","6","6","7","4","5","1") = "6"
    & skf21("6","5","6","6","7","4","6","1") = "6"
    & skf21("6","5","6","6","7","4","7","1") = "6"
    & skf21("6","5","6","6","7","5","1","1") = "6"
    & skf21("6","5","6","6","7","5","2","1") = "6"
    & skf21("6","5","6","6","7","5","3","1") = "6"
    & skf21("6","5","6","6","7","5","4","1") = "6"
    & skf21("6","5","6","6","7","5","5","1") = "6"
    & skf21("6","5","6","6","7","5","6","1") = "6"
    & skf21("6","5","6","6","7","5","7","1") = "6"
    & skf21("6","5","6","6","7","6","1","1") = "6"
    & skf21("6","5","6","6","7","6","2","1") = "6"
    & skf21("6","5","6","6","7","6","3","1") = "6"
    & skf21("6","5","6","6","7","6","4","1") = "6"
    & skf21("6","5","6","6","7","6","5","1") = "6"
    & skf21("6","5","6","6","7","6","6","1") = "6"
    & skf21("6","5","6","6","7","6","7","1") = "6"
    & skf21("6","5","6","6","7","7","1","1") = "6"
    & skf21("6","5","6","6","7","7","2","1") = "6"
    & skf21("6","5","6","6","7","7","3","1") = "6"
    & skf21("6","5","6","6","7","7","4","1") = "6"
    & skf21("6","5","6","6","7","7","5","1") = "6"
    & skf21("6","5","6","6","7","7","6","1") = "6"
    & skf21("6","5","6","6","7","7","7","1") = "6"
    & skf21("6","5","6","7","1","1","1","1") = "6"
    & skf21("6","5","6","7","1","1","2","1") = "6"
    & skf21("6","5","6","7","1","1","3","1") = "6"
    & skf21("6","5","6","7","1","1","4","1") = "6"
    & skf21("6","5","6","7","1","1","5","1") = "6"
    & skf21("6","5","6","7","1","1","6","1") = "6"
    & skf21("6","5","6","7","1","1","7","1") = "6"
    & skf21("6","5","6","7","1","2","1","1") = "6"
    & skf21("6","5","6","7","1","2","2","1") = "6"
    & skf21("6","5","6","7","1","2","3","1") = "6"
    & skf21("6","5","6","7","1","2","4","1") = "6"
    & skf21("6","5","6","7","1","2","5","1") = "6"
    & skf21("6","5","6","7","1","2","6","1") = "6"
    & skf21("6","5","6","7","1","2","7","1") = "6"
    & skf21("6","5","6","7","1","3","1","1") = "6"
    & skf21("6","5","6","7","1","3","2","1") = "6"
    & skf21("6","5","6","7","1","3","3","1") = "6"
    & skf21("6","5","6","7","1","3","4","1") = "6"
    & skf21("6","5","6","7","1","3","5","1") = "6"
    & skf21("6","5","6","7","1","3","6","1") = "6"
    & skf21("6","5","6","7","1","3","7","1") = "6"
    & skf21("6","5","6","7","1","4","1","1") = "6"
    & skf21("6","5","6","7","1","4","2","1") = "6"
    & skf21("6","5","6","7","1","4","3","1") = "6"
    & skf21("6","5","6","7","1","4","4","1") = "6"
    & skf21("6","5","6","7","1","4","5","1") = "6"
    & skf21("6","5","6","7","1","4","6","1") = "6"
    & skf21("6","5","6","7","1","4","7","1") = "6"
    & skf21("6","5","6","7","1","5","1","1") = "6"
    & skf21("6","5","6","7","1","5","2","1") = "6"
    & skf21("6","5","6","7","1","5","3","1") = "6"
    & skf21("6","5","6","7","1","5","4","1") = "6"
    & skf21("6","5","6","7","1","5","5","1") = "6"
    & skf21("6","5","6","7","1","5","6","1") = "6"
    & skf21("6","5","6","7","1","5","7","1") = "6"
    & skf21("6","5","6","7","1","6","1","1") = "6"
    & skf21("6","5","6","7","1","6","2","1") = "6"
    & skf21("6","5","6","7","1","6","3","1") = "6"
    & skf21("6","5","6","7","1","6","4","1") = "6"
    & skf21("6","5","6","7","1","6","5","1") = "6"
    & skf21("6","5","6","7","1","6","6","1") = "6"
    & skf21("6","5","6","7","1","6","7","1") = "6"
    & skf21("6","5","6","7","1","7","1","1") = "6"
    & skf21("6","5","6","7","1","7","2","1") = "6"
    & skf21("6","5","6","7","1","7","3","1") = "6"
    & skf21("6","5","6","7","1","7","4","1") = "6"
    & skf21("6","5","6","7","1","7","5","1") = "6"
    & skf21("6","5","6","7","1","7","6","1") = "6"
    & skf21("6","5","6","7","1","7","7","1") = "6"
    & skf21("6","5","6","7","2","1","1","1") = "6"
    & skf21("6","5","6","7","2","1","2","1") = "6"
    & skf21("6","5","6","7","2","1","3","1") = "6"
    & skf21("6","5","6","7","2","1","4","1") = "6"
    & skf21("6","5","6","7","2","1","5","1") = "6"
    & skf21("6","5","6","7","2","1","6","1") = "6"
    & skf21("6","5","6","7","2","1","7","1") = "6"
    & skf21("6","5","6","7","2","2","1","1") = "6"
    & skf21("6","5","6","7","2","2","2","1") = "6"
    & skf21("6","5","6","7","2","2","3","1") = "6"
    & skf21("6","5","6","7","2","2","4","1") = "6"
    & skf21("6","5","6","7","2","2","5","1") = "6"
    & skf21("6","5","6","7","2","2","6","1") = "6"
    & skf21("6","5","6","7","2","2","7","1") = "6"
    & skf21("6","5","6","7","2","3","1","1") = "6"
    & skf21("6","5","6","7","2","3","2","1") = "6"
    & skf21("6","5","6","7","2","3","3","1") = "6"
    & skf21("6","5","6","7","2","3","4","1") = "6"
    & skf21("6","5","6","7","2","3","5","1") = "6"
    & skf21("6","5","6","7","2","3","6","1") = "6"
    & skf21("6","5","6","7","2","3","7","1") = "6"
    & skf21("6","5","6","7","2","4","1","1") = "6"
    & skf21("6","5","6","7","2","4","2","1") = "6"
    & skf21("6","5","6","7","2","4","3","1") = "6"
    & skf21("6","5","6","7","2","4","4","1") = "6"
    & skf21("6","5","6","7","2","4","5","1") = "6"
    & skf21("6","5","6","7","2","4","6","1") = "6"
    & skf21("6","5","6","7","2","4","7","1") = "6"
    & skf21("6","5","6","7","2","5","1","1") = "6"
    & skf21("6","5","6","7","2","5","2","1") = "6"
    & skf21("6","5","6","7","2","5","3","1") = "6"
    & skf21("6","5","6","7","2","5","4","1") = "6"
    & skf21("6","5","6","7","2","5","5","1") = "6"
    & skf21("6","5","6","7","2","5","6","1") = "6"
    & skf21("6","5","6","7","2","5","7","1") = "6"
    & skf21("6","5","6","7","2","6","1","1") = "6"
    & skf21("6","5","6","7","2","6","2","1") = "6"
    & skf21("6","5","6","7","2","6","3","1") = "6"
    & skf21("6","5","6","7","2","6","4","1") = "6"
    & skf21("6","5","6","7","2","6","5","1") = "6"
    & skf21("6","5","6","7","2","6","6","1") = "6"
    & skf21("6","5","6","7","2","6","7","1") = "6"
    & skf21("6","5","6","7","2","7","1","1") = "6"
    & skf21("6","5","6","7","2","7","2","1") = "6"
    & skf21("6","5","6","7","2","7","3","1") = "6"
    & skf21("6","5","6","7","2","7","4","1") = "6"
    & skf21("6","5","6","7","2","7","5","1") = "6"
    & skf21("6","5","6","7","2","7","6","1") = "6"
    & skf21("6","5","6","7","2","7","7","1") = "6"
    & skf21("6","5","6","7","3","1","1","1") = "6"
    & skf21("6","5","6","7","3","1","2","1") = "6"
    & skf21("6","5","6","7","3","1","3","1") = "6"
    & skf21("6","5","6","7","3","1","4","1") = "6"
    & skf21("6","5","6","7","3","1","5","1") = "6"
    & skf21("6","5","6","7","3","1","6","1") = "6"
    & skf21("6","5","6","7","3","1","7","1") = "6"
    & skf21("6","5","6","7","3","2","1","1") = "6"
    & skf21("6","5","6","7","3","2","2","1") = "6"
    & skf21("6","5","6","7","3","2","3","1") = "6"
    & skf21("6","5","6","7","3","2","4","1") = "6"
    & skf21("6","5","6","7","3","2","5","1") = "6"
    & skf21("6","5","6","7","3","2","6","1") = "6"
    & skf21("6","5","6","7","3","2","7","1") = "6"
    & skf21("6","5","6","7","3","3","1","1") = "6"
    & skf21("6","5","6","7","3","3","2","1") = "6"
    & skf21("6","5","6","7","3","3","3","1") = "6"
    & skf21("6","5","6","7","3","3","4","1") = "6"
    & skf21("6","5","6","7","3","3","5","1") = "6"
    & skf21("6","5","6","7","3","3","6","1") = "6"
    & skf21("6","5","6","7","3","3","7","1") = "6"
    & skf21("6","5","6","7","3","4","1","1") = "6"
    & skf21("6","5","6","7","3","4","2","1") = "6"
    & skf21("6","5","6","7","3","4","3","1") = "6"
    & skf21("6","5","6","7","3","4","4","1") = "6"
    & skf21("6","5","6","7","3","4","5","1") = "6"
    & skf21("6","5","6","7","3","4","6","1") = "6"
    & skf21("6","5","6","7","3","4","7","1") = "6"
    & skf21("6","5","6","7","3","5","1","1") = "6"
    & skf21("6","5","6","7","3","5","2","1") = "6"
    & skf21("6","5","6","7","3","5","3","1") = "6"
    & skf21("6","5","6","7","3","5","4","1") = "6"
    & skf21("6","5","6","7","3","5","5","1") = "6"
    & skf21("6","5","6","7","3","5","6","1") = "6"
    & skf21("6","5","6","7","3","5","7","1") = "6"
    & skf21("6","5","6","7","3","6","1","1") = "6"
    & skf21("6","5","6","7","3","6","2","1") = "6"
    & skf21("6","5","6","7","3","6","3","1") = "6"
    & skf21("6","5","6","7","3","6","4","1") = "6"
    & skf21("6","5","6","7","3","6","5","1") = "6"
    & skf21("6","5","6","7","3","6","6","1") = "6"
    & skf21("6","5","6","7","3","6","7","1") = "6"
    & skf21("6","5","6","7","3","7","1","1") = "6"
    & skf21("6","5","6","7","3","7","2","1") = "6"
    & skf21("6","5","6","7","3","7","3","1") = "6"
    & skf21("6","5","6","7","3","7","4","1") = "6"
    & skf21("6","5","6","7","3","7","5","1") = "6"
    & skf21("6","5","6","7","3","7","6","1") = "6"
    & skf21("6","5","6","7","3","7","7","1") = "6"
    & skf21("6","5","6","7","4","1","1","1") = "6"
    & skf21("6","5","6","7","4","1","2","1") = "6"
    & skf21("6","5","6","7","4","1","3","1") = "6"
    & skf21("6","5","6","7","4","1","4","1") = "6"
    & skf21("6","5","6","7","4","1","5","1") = "6"
    & skf21("6","5","6","7","4","1","6","1") = "6"
    & skf21("6","5","6","7","4","1","7","1") = "6"
    & skf21("6","5","6","7","4","2","1","1") = "6"
    & skf21("6","5","6","7","4","2","2","1") = "6"
    & skf21("6","5","6","7","4","2","3","1") = "6"
    & skf21("6","5","6","7","4","2","4","1") = "6"
    & skf21("6","5","6","7","4","2","5","1") = "6"
    & skf21("6","5","6","7","4","2","6","1") = "6"
    & skf21("6","5","6","7","4","2","7","1") = "6"
    & skf21("6","5","6","7","4","3","1","1") = "6"
    & skf21("6","5","6","7","4","3","2","1") = "6"
    & skf21("6","5","6","7","4","3","3","1") = "6"
    & skf21("6","5","6","7","4","3","4","1") = "6"
    & skf21("6","5","6","7","4","3","5","1") = "6"
    & skf21("6","5","6","7","4","3","6","1") = "6"
    & skf21("6","5","6","7","4","3","7","1") = "6"
    & skf21("6","5","6","7","4","4","1","1") = "6"
    & skf21("6","5","6","7","4","4","2","1") = "6"
    & skf21("6","5","6","7","4","4","3","1") = "6"
    & skf21("6","5","6","7","4","4","4","1") = "6"
    & skf21("6","5","6","7","4","4","5","1") = "6"
    & skf21("6","5","6","7","4","4","6","1") = "6"
    & skf21("6","5","6","7","4","4","7","1") = "6"
    & skf21("6","5","6","7","4","5","1","1") = "6"
    & skf21("6","5","6","7","4","5","2","1") = "6"
    & skf21("6","5","6","7","4","5","3","1") = "6"
    & skf21("6","5","6","7","4","5","4","1") = "6"
    & skf21("6","5","6","7","4","5","5","1") = "6"
    & skf21("6","5","6","7","4","5","6","1") = "6"
    & skf21("6","5","6","7","4","5","7","1") = "6"
    & skf21("6","5","6","7","4","6","1","1") = "6"
    & skf21("6","5","6","7","4","6","2","1") = "6"
    & skf21("6","5","6","7","4","6","3","1") = "6"
    & skf21("6","5","6","7","4","6","4","1") = "6"
    & skf21("6","5","6","7","4","6","5","1") = "6"
    & skf21("6","5","6","7","4","6","6","1") = "6"
    & skf21("6","5","6","7","4","6","7","1") = "6"
    & skf21("6","5","6","7","4","7","1","1") = "6"
    & skf21("6","5","6","7","4","7","2","1") = "6"
    & skf21("6","5","6","7","4","7","3","1") = "6"
    & skf21("6","5","6","7","4","7","4","1") = "6"
    & skf21("6","5","6","7","4","7","5","1") = "6"
    & skf21("6","5","6","7","4","7","6","1") = "6"
    & skf21("6","5","6","7","4","7","7","1") = "6"
    & skf21("6","5","6","7","5","1","1","1") = "6"
    & skf21("6","5","6","7","5","1","2","1") = "6"
    & skf21("6","5","6","7","5","1","3","1") = "6"
    & skf21("6","5","6","7","5","1","4","1") = "6"
    & skf21("6","5","6","7","5","1","5","1") = "6"
    & skf21("6","5","6","7","5","1","6","1") = "6"
    & skf21("6","5","6","7","5","1","7","1") = "6"
    & skf21("6","5","6","7","5","2","1","1") = "6"
    & skf21("6","5","6","7","5","2","2","1") = "6"
    & skf21("6","5","6","7","5","2","3","1") = "6"
    & skf21("6","5","6","7","5","2","4","1") = "6"
    & skf21("6","5","6","7","5","2","5","1") = "6"
    & skf21("6","5","6","7","5","2","6","1") = "6"
    & skf21("6","5","6","7","5","2","7","1") = "6"
    & skf21("6","5","6","7","5","3","1","1") = "6"
    & skf21("6","5","6","7","5","3","2","1") = "6"
    & skf21("6","5","6","7","5","3","3","1") = "6"
    & skf21("6","5","6","7","5","3","4","1") = "6"
    & skf21("6","5","6","7","5","3","5","1") = "6"
    & skf21("6","5","6","7","5","3","6","1") = "6"
    & skf21("6","5","6","7","5","3","7","1") = "6"
    & skf21("6","5","6","7","5","4","1","1") = "6"
    & skf21("6","5","6","7","5","4","2","1") = "6"
    & skf21("6","5","6","7","5","4","3","1") = "6"
    & skf21("6","5","6","7","5","4","4","1") = "6"
    & skf21("6","5","6","7","5","4","5","1") = "6"
    & skf21("6","5","6","7","5","4","6","1") = "6"
    & skf21("6","5","6","7","5","4","7","1") = "6"
    & skf21("6","5","6","7","5","5","1","1") = "6"
    & skf21("6","5","6","7","5","5","2","1") = "6"
    & skf21("6","5","6","7","5","5","3","1") = "6"
    & skf21("6","5","6","7","5","5","4","1") = "6"
    & skf21("6","5","6","7","5","5","5","1") = "6"
    & skf21("6","5","6","7","5","5","6","1") = "6"
    & skf21("6","5","6","7","5","5","7","1") = "6"
    & skf21("6","5","6","7","5","6","1","1") = "6"
    & skf21("6","5","6","7","5","6","2","1") = "6"
    & skf21("6","5","6","7","5","6","3","1") = "6"
    & skf21("6","5","6","7","5","6","4","1") = "6"
    & skf21("6","5","6","7","5","6","5","1") = "6"
    & skf21("6","5","6","7","5","6","6","1") = "6"
    & skf21("6","5","6","7","5","6","7","1") = "6"
    & skf21("6","5","6","7","5","7","1","1") = "6"
    & skf21("6","5","6","7","5","7","2","1") = "6"
    & skf21("6","5","6","7","5","7","3","1") = "6"
    & skf21("6","5","6","7","5","7","4","1") = "6"
    & skf21("6","5","6","7","5","7","5","1") = "6"
    & skf21("6","5","6","7","5","7","6","1") = "6"
    & skf21("6","5","6","7","5","7","7","1") = "6"
    & skf21("6","5","6","7","6","1","1","1") = "6"
    & skf21("6","5","6","7","6","1","2","1") = "6"
    & skf21("6","5","6","7","6","1","3","1") = "6"
    & skf21("6","5","6","7","6","1","4","1") = "6"
    & skf21("6","5","6","7","6","1","5","1") = "6"
    & skf21("6","5","6","7","6","1","6","1") = "6"
    & skf21("6","5","6","7","6","1","7","1") = "6"
    & skf21("6","5","6","7","6","2","1","1") = "6"
    & skf21("6","5","6","7","6","2","2","1") = "6"
    & skf21("6","5","6","7","6","2","3","1") = "6"
    & skf21("6","5","6","7","6","2","4","1") = "6"
    & skf21("6","5","6","7","6","2","5","1") = "6"
    & skf21("6","5","6","7","6","2","6","1") = "6"
    & skf21("6","5","6","7","6","2","7","1") = "6"
    & skf21("6","5","6","7","6","3","1","1") = "6"
    & skf21("6","5","6","7","6","3","2","1") = "6"
    & skf21("6","5","6","7","6","3","3","1") = "6"
    & skf21("6","5","6","7","6","3","4","1") = "6"
    & skf21("6","5","6","7","6","3","5","1") = "6"
    & skf21("6","5","6","7","6","3","6","1") = "6"
    & skf21("6","5","6","7","6","3","7","1") = "6"
    & skf21("6","5","6","7","6","4","1","1") = "6"
    & skf21("6","5","6","7","6","4","2","1") = "6"
    & skf21("6","5","6","7","6","4","3","1") = "6"
    & skf21("6","5","6","7","6","4","4","1") = "6"
    & skf21("6","5","6","7","6","4","5","1") = "6"
    & skf21("6","5","6","7","6","4","6","1") = "6"
    & skf21("6","5","6","7","6","4","7","1") = "6"
    & skf21("6","5","6","7","6","5","1","1") = "6"
    & skf21("6","5","6","7","6","5","2","1") = "6"
    & skf21("6","5","6","7","6","5","3","1") = "6"
    & skf21("6","5","6","7","6","5","4","1") = "6"
    & skf21("6","5","6","7","6","5","5","1") = "6"
    & skf21("6","5","6","7","6","5","6","1") = "6"
    & skf21("6","5","6","7","6","5","7","1") = "6"
    & skf21("6","5","6","7","6","6","1","1") = "6"
    & skf21("6","5","6","7","6","6","2","1") = "6"
    & skf21("6","5","6","7","6","6","3","1") = "6"
    & skf21("6","5","6","7","6","6","4","1") = "6"
    & skf21("6","5","6","7","6","6","5","1") = "6"
    & skf21("6","5","6","7","6","6","6","1") = "6"
    & skf21("6","5","6","7","6","6","7","1") = "6"
    & skf21("6","5","6","7","6","7","1","1") = "6"
    & skf21("6","5","6","7","6","7","2","1") = "6"
    & skf21("6","5","6","7","6","7","3","1") = "6"
    & skf21("6","5","6","7","6","7","4","1") = "6"
    & skf21("6","5","6","7","6","7","5","1") = "6"
    & skf21("6","5","6","7","6","7","6","1") = "6"
    & skf21("6","5","6","7","6","7","7","1") = "6"
    & skf21("6","5","6","7","7","1","1","1") = "6"
    & skf21("6","5","6","7","7","1","2","1") = "6"
    & skf21("6","5","6","7","7","1","3","1") = "6"
    & skf21("6","5","6","7","7","1","4","1") = "6"
    & skf21("6","5","6","7","7","1","5","1") = "6"
    & skf21("6","5","6","7","7","1","6","1") = "6"
    & skf21("6","5","6","7","7","1","7","1") = "6"
    & skf21("6","5","6","7","7","2","1","1") = "6"
    & skf21("6","5","6","7","7","2","2","1") = "6"
    & skf21("6","5","6","7","7","2","3","1") = "6"
    & skf21("6","5","6","7","7","2","4","1") = "6"
    & skf21("6","5","6","7","7","2","5","1") = "6"
    & skf21("6","5","6","7","7","2","6","1") = "6"
    & skf21("6","5","6","7","7","2","7","1") = "6"
    & skf21("6","5","6","7","7","3","1","1") = "6"
    & skf21("6","5","6","7","7","3","2","1") = "6"
    & skf21("6","5","6","7","7","3","3","1") = "6"
    & skf21("6","5","6","7","7","3","4","1") = "6"
    & skf21("6","5","6","7","7","3","5","1") = "6"
    & skf21("6","5","6","7","7","3","6","1") = "6"
    & skf21("6","5","6","7","7","3","7","1") = "6"
    & skf21("6","5","6","7","7","4","1","1") = "6"
    & skf21("6","5","6","7","7","4","2","1") = "6"
    & skf21("6","5","6","7","7","4","3","1") = "6"
    & skf21("6","5","6","7","7","4","4","1") = "6"
    & skf21("6","5","6","7","7","4","5","1") = "6"
    & skf21("6","5","6","7","7","4","6","1") = "6"
    & skf21("6","5","6","7","7","4","7","1") = "6"
    & skf21("6","5","6","7","7","5","1","1") = "6"
    & skf21("6","5","6","7","7","5","2","1") = "6"
    & skf21("6","5","6","7","7","5","3","1") = "6"
    & skf21("6","5","6","7","7","5","4","1") = "6"
    & skf21("6","5","6","7","7","5","5","1") = "6"
    & skf21("6","5","6","7","7","5","6","1") = "6"
    & skf21("6","5","6","7","7","5","7","1") = "6"
    & skf21("6","5","6","7","7","6","1","1") = "6"
    & skf21("6","5","6","7","7","6","2","1") = "6"
    & skf21("6","5","6","7","7","6","3","1") = "6"
    & skf21("6","5","6","7","7","6","4","1") = "6"
    & skf21("6","5","6","7","7","6","5","1") = "6"
    & skf21("6","5","6","7","7","6","6","1") = "6"
    & skf21("6","5","6","7","7","6","7","1") = "6"
    & skf21("6","5","6","7","7","7","1","1") = "6"
    & skf21("6","5","6","7","7","7","2","1") = "6"
    & skf21("6","5","6","7","7","7","3","1") = "6"
    & skf21("6","5","6","7","7","7","4","1") = "6"
    & skf21("6","5","6","7","7","7","5","1") = "6"
    & skf21("6","5","6","7","7","7","6","1") = "6"
    & skf21("6","5","6","7","7","7","7","1") = "6"
    & skf21("6","5","7","1","1","1","1","1") = "6"
    & skf21("6","5","7","1","1","1","2","1") = "6"
    & skf21("6","5","7","1","1","1","3","1") = "6"
    & skf21("6","5","7","1","1","1","4","1") = "6"
    & skf21("6","5","7","1","1","1","5","1") = "6"
    & skf21("6","5","7","1","1","1","6","1") = "6"
    & skf21("6","5","7","1","1","1","7","1") = "6"
    & skf21("6","5","7","1","1","2","1","1") = "6"
    & skf21("6","5","7","1","1","2","2","1") = "6"
    & skf21("6","5","7","1","1","2","3","1") = "6"
    & skf21("6","5","7","1","1","2","4","1") = "6"
    & skf21("6","5","7","1","1","2","5","1") = "6"
    & skf21("6","5","7","1","1","2","6","1") = "6"
    & skf21("6","5","7","1","1","2","7","1") = "6"
    & skf21("6","5","7","1","1","3","1","1") = "6"
    & skf21("6","5","7","1","1","3","2","1") = "6"
    & skf21("6","5","7","1","1","3","3","1") = "6"
    & skf21("6","5","7","1","1","3","4","1") = "6"
    & skf21("6","5","7","1","1","3","5","1") = "6"
    & skf21("6","5","7","1","1","3","6","1") = "6"
    & skf21("6","5","7","1","1","3","7","1") = "6"
    & skf21("6","5","7","1","1","4","1","1") = "6"
    & skf21("6","5","7","1","1","4","2","1") = "6"
    & skf21("6","5","7","1","1","4","3","1") = "6"
    & skf21("6","5","7","1","1","4","4","1") = "6"
    & skf21("6","5","7","1","1","4","5","1") = "6"
    & skf21("6","5","7","1","1","4","6","1") = "6"
    & skf21("6","5","7","1","1","4","7","1") = "6"
    & skf21("6","5","7","1","1","5","1","1") = "6"
    & skf21("6","5","7","1","1","5","2","1") = "6"
    & skf21("6","5","7","1","1","5","3","1") = "6"
    & skf21("6","5","7","1","1","5","4","1") = "6"
    & skf21("6","5","7","1","1","5","5","1") = "6"
    & skf21("6","5","7","1","1","5","6","1") = "6"
    & skf21("6","5","7","1","1","5","7","1") = "6"
    & skf21("6","5","7","1","1","6","1","1") = "6"
    & skf21("6","5","7","1","1","6","2","1") = "6"
    & skf21("6","5","7","1","1","6","3","1") = "6"
    & skf21("6","5","7","1","1","6","4","1") = "6"
    & skf21("6","5","7","1","1","6","5","1") = "6"
    & skf21("6","5","7","1","1","6","6","1") = "6"
    & skf21("6","5","7","1","1","6","7","1") = "6"
    & skf21("6","5","7","1","1","7","1","1") = "6"
    & skf21("6","5","7","1","1","7","2","1") = "6"
    & skf21("6","5","7","1","1","7","3","1") = "6"
    & skf21("6","5","7","1","1","7","4","1") = "6"
    & skf21("6","5","7","1","1","7","5","1") = "6"
    & skf21("6","5","7","1","1","7","6","1") = "6"
    & skf21("6","5","7","1","1","7","7","1") = "6"
    & skf21("6","5","7","1","2","1","1","1") = "6"
    & skf21("6","5","7","1","2","1","2","1") = "6"
    & skf21("6","5","7","1","2","1","3","1") = "6"
    & skf21("6","5","7","1","2","1","4","1") = "6"
    & skf21("6","5","7","1","2","1","5","1") = "6"
    & skf21("6","5","7","1","2","1","6","1") = "6"
    & skf21("6","5","7","1","2","1","7","1") = "6"
    & skf21("6","5","7","1","2","2","1","1") = "6"
    & skf21("6","5","7","1","2","2","2","1") = "6"
    & skf21("6","5","7","1","2","2","3","1") = "6"
    & skf21("6","5","7","1","2","2","4","1") = "6"
    & skf21("6","5","7","1","2","2","5","1") = "6"
    & skf21("6","5","7","1","2","2","6","1") = "6"
    & skf21("6","5","7","1","2","2","7","1") = "6"
    & skf21("6","5","7","1","2","3","1","1") = "6"
    & skf21("6","5","7","1","2","3","2","1") = "6"
    & skf21("6","5","7","1","2","3","3","1") = "6"
    & skf21("6","5","7","1","2","3","4","1") = "6"
    & skf21("6","5","7","1","2","3","5","1") = "6"
    & skf21("6","5","7","1","2","3","6","1") = "6"
    & skf21("6","5","7","1","2","3","7","1") = "6"
    & skf21("6","5","7","1","2","4","1","1") = "6"
    & skf21("6","5","7","1","2","4","2","1") = "6"
    & skf21("6","5","7","1","2","4","3","1") = "6"
    & skf21("6","5","7","1","2","4","4","1") = "6"
    & skf21("6","5","7","1","2","4","5","1") = "6"
    & skf21("6","5","7","1","2","4","6","1") = "6"
    & skf21("6","5","7","1","2","4","7","1") = "6"
    & skf21("6","5","7","1","2","5","1","1") = "6"
    & skf21("6","5","7","1","2","5","2","1") = "6"
    & skf21("6","5","7","1","2","5","3","1") = "6"
    & skf21("6","5","7","1","2","5","4","1") = "6"
    & skf21("6","5","7","1","2","5","5","1") = "6"
    & skf21("6","5","7","1","2","5","6","1") = "6"
    & skf21("6","5","7","1","2","5","7","1") = "6"
    & skf21("6","5","7","1","2","6","1","1") = "6"
    & skf21("6","5","7","1","2","6","2","1") = "6"
    & skf21("6","5","7","1","2","6","3","1") = "6"
    & skf21("6","5","7","1","2","6","4","1") = "6"
    & skf21("6","5","7","1","2","6","5","1") = "6"
    & skf21("6","5","7","1","2","6","6","1") = "6"
    & skf21("6","5","7","1","2","6","7","1") = "6"
    & skf21("6","5","7","1","2","7","1","1") = "6"
    & skf21("6","5","7","1","2","7","2","1") = "6"
    & skf21("6","5","7","1","2","7","3","1") = "6"
    & skf21("6","5","7","1","2","7","4","1") = "6"
    & skf21("6","5","7","1","2","7","5","1") = "6"
    & skf21("6","5","7","1","2","7","6","1") = "6"
    & skf21("6","5","7","1","2","7","7","1") = "6"
    & skf21("6","5","7","1","3","1","1","1") = "6"
    & skf21("6","5","7","1","3","1","2","1") = "6"
    & skf21("6","5","7","1","3","1","3","1") = "6"
    & skf21("6","5","7","1","3","1","4","1") = "6"
    & skf21("6","5","7","1","3","1","5","1") = "6"
    & skf21("6","5","7","1","3","1","6","1") = "6"
    & skf21("6","5","7","1","3","1","7","1") = "6"
    & skf21("6","5","7","1","3","2","1","1") = "6"
    & skf21("6","5","7","1","3","2","2","1") = "6"
    & skf21("6","5","7","1","3","2","3","1") = "6"
    & skf21("6","5","7","1","3","2","4","1") = "6"
    & skf21("6","5","7","1","3","2","5","1") = "6"
    & skf21("6","5","7","1","3","2","6","1") = "6"
    & skf21("6","5","7","1","3","2","7","1") = "6"
    & skf21("6","5","7","1","3","3","1","1") = "6"
    & skf21("6","5","7","1","3","3","2","1") = "6"
    & skf21("6","5","7","1","3","3","3","1") = "6"
    & skf21("6","5","7","1","3","3","4","1") = "6"
    & skf21("6","5","7","1","3","3","5","1") = "6"
    & skf21("6","5","7","1","3","3","6","1") = "6"
    & skf21("6","5","7","1","3","3","7","1") = "6"
    & skf21("6","5","7","1","3","4","1","1") = "6"
    & skf21("6","5","7","1","3","4","2","1") = "6"
    & skf21("6","5","7","1","3","4","3","1") = "6"
    & skf21("6","5","7","1","3","4","4","1") = "6"
    & skf21("6","5","7","1","3","4","5","1") = "6"
    & skf21("6","5","7","1","3","4","6","1") = "6"
    & skf21("6","5","7","1","3","4","7","1") = "6"
    & skf21("6","5","7","1","3","5","1","1") = "6"
    & skf21("6","5","7","1","3","5","2","1") = "6"
    & skf21("6","5","7","1","3","5","3","1") = "6"
    & skf21("6","5","7","1","3","5","4","1") = "6"
    & skf21("6","5","7","1","3","5","5","1") = "6"
    & skf21("6","5","7","1","3","5","6","1") = "6"
    & skf21("6","5","7","1","3","5","7","1") = "6"
    & skf21("6","5","7","1","3","6","1","1") = "6"
    & skf21("6","5","7","1","3","6","2","1") = "6"
    & skf21("6","5","7","1","3","6","3","1") = "6"
    & skf21("6","5","7","1","3","6","4","1") = "6"
    & skf21("6","5","7","1","3","6","5","1") = "6"
    & skf21("6","5","7","1","3","6","6","1") = "6"
    & skf21("6","5","7","1","3","6","7","1") = "6"
    & skf21("6","5","7","1","3","7","1","1") = "6"
    & skf21("6","5","7","1","3","7","2","1") = "6"
    & skf21("6","5","7","1","3","7","3","1") = "6"
    & skf21("6","5","7","1","3","7","4","1") = "6"
    & skf21("6","5","7","1","3","7","5","1") = "6"
    & skf21("6","5","7","1","3","7","6","1") = "6"
    & skf21("6","5","7","1","3","7","7","1") = "6"
    & skf21("6","5","7","1","4","1","1","1") = "6"
    & skf21("6","5","7","1","4","1","2","1") = "6"
    & skf21("6","5","7","1","4","1","3","1") = "6"
    & skf21("6","5","7","1","4","1","4","1") = "6"
    & skf21("6","5","7","1","4","1","5","1") = "6"
    & skf21("6","5","7","1","4","1","6","1") = "6"
    & skf21("6","5","7","1","4","1","7","1") = "6"
    & skf21("6","5","7","1","4","2","1","1") = "6"
    & skf21("6","5","7","1","4","2","2","1") = "6"
    & skf21("6","5","7","1","4","2","3","1") = "6"
    & skf21("6","5","7","1","4","2","4","1") = "6"
    & skf21("6","5","7","1","4","2","5","1") = "6"
    & skf21("6","5","7","1","4","2","6","1") = "6"
    & skf21("6","5","7","1","4","2","7","1") = "6"
    & skf21("6","5","7","1","4","3","1","1") = "6"
    & skf21("6","5","7","1","4","3","2","1") = "6"
    & skf21("6","5","7","1","4","3","3","1") = "6"
    & skf21("6","5","7","1","4","3","4","1") = "6"
    & skf21("6","5","7","1","4","3","5","1") = "6"
    & skf21("6","5","7","1","4","3","6","1") = "6"
    & skf21("6","5","7","1","4","3","7","1") = "6"
    & skf21("6","5","7","1","4","4","1","1") = "6"
    & skf21("6","5","7","1","4","4","2","1") = "6"
    & skf21("6","5","7","1","4","4","3","1") = "6"
    & skf21("6","5","7","1","4","4","4","1") = "6"
    & skf21("6","5","7","1","4","4","5","1") = "6"
    & skf21("6","5","7","1","4","4","6","1") = "6"
    & skf21("6","5","7","1","4","4","7","1") = "6"
    & skf21("6","5","7","1","4","5","1","1") = "6"
    & skf21("6","5","7","1","4","5","2","1") = "6"
    & skf21("6","5","7","1","4","5","3","1") = "6"
    & skf21("6","5","7","1","4","5","4","1") = "6"
    & skf21("6","5","7","1","4","5","5","1") = "6"
    & skf21("6","5","7","1","4","5","6","1") = "6"
    & skf21("6","5","7","1","4","5","7","1") = "6"
    & skf21("6","5","7","1","4","6","1","1") = "6"
    & skf21("6","5","7","1","4","6","2","1") = "6"
    & skf21("6","5","7","1","4","6","3","1") = "6"
    & skf21("6","5","7","1","4","6","4","1") = "6"
    & skf21("6","5","7","1","4","6","5","1") = "6"
    & skf21("6","5","7","1","4","6","6","1") = "6"
    & skf21("6","5","7","1","4","6","7","1") = "6"
    & skf21("6","5","7","1","4","7","1","1") = "6"
    & skf21("6","5","7","1","4","7","2","1") = "6"
    & skf21("6","5","7","1","4","7","3","1") = "6"
    & skf21("6","5","7","1","4","7","4","1") = "6"
    & skf21("6","5","7","1","4","7","5","1") = "6"
    & skf21("6","5","7","1","4","7","6","1") = "6"
    & skf21("6","5","7","1","4","7","7","1") = "6"
    & skf21("6","5","7","1","5","1","1","1") = "6"
    & skf21("6","5","7","1","5","1","2","1") = "6"
    & skf21("6","5","7","1","5","1","3","1") = "6"
    & skf21("6","5","7","1","5","1","4","1") = "6"
    & skf21("6","5","7","1","5","1","5","1") = "6"
    & skf21("6","5","7","1","5","1","6","1") = "6"
    & skf21("6","5","7","1","5","1","7","1") = "6"
    & skf21("6","5","7","1","5","2","1","1") = "6"
    & skf21("6","5","7","1","5","2","2","1") = "6"
    & skf21("6","5","7","1","5","2","3","1") = "6"
    & skf21("6","5","7","1","5","2","4","1") = "6"
    & skf21("6","5","7","1","5","2","5","1") = "6"
    & skf21("6","5","7","1","5","2","6","1") = "6"
    & skf21("6","5","7","1","5","2","7","1") = "6"
    & skf21("6","5","7","1","5","3","1","1") = "6"
    & skf21("6","5","7","1","5","3","2","1") = "6"
    & skf21("6","5","7","1","5","3","3","1") = "6"
    & skf21("6","5","7","1","5","3","4","1") = "6"
    & skf21("6","5","7","1","5","3","5","1") = "6"
    & skf21("6","5","7","1","5","3","6","1") = "6"
    & skf21("6","5","7","1","5","3","7","1") = "6"
    & skf21("6","5","7","1","5","4","1","1") = "6"
    & skf21("6","5","7","1","5","4","2","1") = "6"
    & skf21("6","5","7","1","5","4","3","1") = "6"
    & skf21("6","5","7","1","5","4","4","1") = "6"
    & skf21("6","5","7","1","5","4","5","1") = "6"
    & skf21("6","5","7","1","5","4","6","1") = "6"
    & skf21("6","5","7","1","5","4","7","1") = "6"
    & skf21("6","5","7","1","5","5","1","1") = "6"
    & skf21("6","5","7","1","5","5","2","1") = "6"
    & skf21("6","5","7","1","5","5","3","1") = "6"
    & skf21("6","5","7","1","5","5","4","1") = "6"
    & skf21("6","5","7","1","5","5","5","1") = "6"
    & skf21("6","5","7","1","5","5","6","1") = "6"
    & skf21("6","5","7","1","5","5","7","1") = "6"
    & skf21("6","5","7","1","5","6","1","1") = "6"
    & skf21("6","5","7","1","5","6","2","1") = "6"
    & skf21("6","5","7","1","5","6","3","1") = "6"
    & skf21("6","5","7","1","5","6","4","1") = "6"
    & skf21("6","5","7","1","5","6","5","1") = "6"
    & skf21("6","5","7","1","5","6","6","1") = "6"
    & skf21("6","5","7","1","5","6","7","1") = "6"
    & skf21("6","5","7","1","5","7","1","1") = "6"
    & skf21("6","5","7","1","5","7","2","1") = "6"
    & skf21("6","5","7","1","5","7","3","1") = "6"
    & skf21("6","5","7","1","5","7","4","1") = "6"
    & skf21("6","5","7","1","5","7","5","1") = "6"
    & skf21("6","5","7","1","5","7","6","1") = "6"
    & skf21("6","5","7","1","5","7","7","1") = "6"
    & skf21("6","5","7","1","6","1","1","1") = "6"
    & skf21("6","5","7","1","6","1","2","1") = "6"
    & skf21("6","5","7","1","6","1","3","1") = "6"
    & skf21("6","5","7","1","6","1","4","1") = "6"
    & skf21("6","5","7","1","6","1","5","1") = "6"
    & skf21("6","5","7","1","6","1","6","1") = "6"
    & skf21("6","5","7","1","6","1","7","1") = "6"
    & skf21("6","5","7","1","6","2","1","1") = "6"
    & skf21("6","5","7","1","6","2","2","1") = "6"
    & skf21("6","5","7","1","6","2","3","1") = "6"
    & skf21("6","5","7","1","6","2","4","1") = "6"
    & skf21("6","5","7","1","6","2","5","1") = "6"
    & skf21("6","5","7","1","6","2","6","1") = "6"
    & skf21("6","5","7","1","6","2","7","1") = "6"
    & skf21("6","5","7","1","6","3","1","1") = "6"
    & skf21("6","5","7","1","6","3","2","1") = "6"
    & skf21("6","5","7","1","6","3","3","1") = "6"
    & skf21("6","5","7","1","6","3","4","1") = "6"
    & skf21("6","5","7","1","6","3","5","1") = "6"
    & skf21("6","5","7","1","6","3","6","1") = "6"
    & skf21("6","5","7","1","6","3","7","1") = "6"
    & skf21("6","5","7","1","6","4","1","1") = "6"
    & skf21("6","5","7","1","6","4","2","1") = "6"
    & skf21("6","5","7","1","6","4","3","1") = "6"
    & skf21("6","5","7","1","6","4","4","1") = "6"
    & skf21("6","5","7","1","6","4","5","1") = "6"
    & skf21("6","5","7","1","6","4","6","1") = "6"
    & skf21("6","5","7","1","6","4","7","1") = "6"
    & skf21("6","5","7","1","6","5","1","1") = "6"
    & skf21("6","5","7","1","6","5","2","1") = "6"
    & skf21("6","5","7","1","6","5","3","1") = "6"
    & skf21("6","5","7","1","6","5","4","1") = "6"
    & skf21("6","5","7","1","6","5","5","1") = "6"
    & skf21("6","5","7","1","6","5","6","1") = "6"
    & skf21("6","5","7","1","6","5","7","1") = "6"
    & skf21("6","5","7","1","6","6","1","1") = "6"
    & skf21("6","5","7","1","6","6","2","1") = "6"
    & skf21("6","5","7","1","6","6","3","1") = "6"
    & skf21("6","5","7","1","6","6","4","1") = "6"
    & skf21("6","5","7","1","6","6","5","1") = "6"
    & skf21("6","5","7","1","6","6","6","1") = "6"
    & skf21("6","5","7","1","6","6","7","1") = "6"
    & skf21("6","5","7","1","6","7","1","1") = "6"
    & skf21("6","5","7","1","6","7","2","1") = "6"
    & skf21("6","5","7","1","6","7","3","1") = "6"
    & skf21("6","5","7","1","6","7","4","1") = "6"
    & skf21("6","5","7","1","6","7","5","1") = "6"
    & skf21("6","5","7","1","6","7","6","1") = "6"
    & skf21("6","5","7","1","6","7","7","1") = "6"
    & skf21("6","5","7","1","7","1","1","1") = "6"
    & skf21("6","5","7","1","7","1","2","1") = "6"
    & skf21("6","5","7","1","7","1","3","1") = "6"
    & skf21("6","5","7","1","7","1","4","1") = "6"
    & skf21("6","5","7","1","7","1","5","1") = "6"
    & skf21("6","5","7","1","7","1","6","1") = "6"
    & skf21("6","5","7","1","7","1","7","1") = "6"
    & skf21("6","5","7","1","7","2","1","1") = "6"
    & skf21("6","5","7","1","7","2","2","1") = "6"
    & skf21("6","5","7","1","7","2","3","1") = "6"
    & skf21("6","5","7","1","7","2","4","1") = "6"
    & skf21("6","5","7","1","7","2","5","1") = "6"
    & skf21("6","5","7","1","7","2","6","1") = "6"
    & skf21("6","5","7","1","7","2","7","1") = "6"
    & skf21("6","5","7","1","7","3","1","1") = "6"
    & skf21("6","5","7","1","7","3","2","1") = "6"
    & skf21("6","5","7","1","7","3","3","1") = "6"
    & skf21("6","5","7","1","7","3","4","1") = "6"
    & skf21("6","5","7","1","7","3","5","1") = "6"
    & skf21("6","5","7","1","7","3","6","1") = "6"
    & skf21("6","5","7","1","7","3","7","1") = "6"
    & skf21("6","5","7","1","7","4","1","1") = "6"
    & skf21("6","5","7","1","7","4","2","1") = "6"
    & skf21("6","5","7","1","7","4","3","1") = "6"
    & skf21("6","5","7","1","7","4","4","1") = "6"
    & skf21("6","5","7","1","7","4","5","1") = "6"
    & skf21("6","5","7","1","7","4","6","1") = "6"
    & skf21("6","5","7","1","7","4","7","1") = "6"
    & skf21("6","5","7","1","7","5","1","1") = "6"
    & skf21("6","5","7","1","7","5","2","1") = "6"
    & skf21("6","5","7","1","7","5","3","1") = "6"
    & skf21("6","5","7","1","7","5","4","1") = "6"
    & skf21("6","5","7","1","7","5","5","1") = "6"
    & skf21("6","5","7","1","7","5","6","1") = "6"
    & skf21("6","5","7","1","7","5","7","1") = "6"
    & skf21("6","5","7","1","7","6","1","1") = "6"
    & skf21("6","5","7","1","7","6","2","1") = "6"
    & skf21("6","5","7","1","7","6","3","1") = "6"
    & skf21("6","5","7","1","7","6","4","1") = "6"
    & skf21("6","5","7","1","7","6","5","1") = "6"
    & skf21("6","5","7","1","7","6","6","1") = "6"
    & skf21("6","5","7","1","7","6","7","1") = "6"
    & skf21("6","5","7","1","7","7","1","1") = "6"
    & skf21("6","5","7","1","7","7","2","1") = "6"
    & skf21("6","5","7","1","7","7","3","1") = "6"
    & skf21("6","5","7","1","7","7","4","1") = "6"
    & skf21("6","5","7","1","7","7","5","1") = "6"
    & skf21("6","5","7","1","7","7","6","1") = "6"
    & skf21("6","5","7","1","7","7","7","1") = "6"
    & skf21("6","5","7","2","1","1","1","1") = "6"
    & skf21("6","5","7","2","1","1","2","1") = "6"
    & skf21("6","5","7","2","1","1","3","1") = "6"
    & skf21("6","5","7","2","1","1","4","1") = "6"
    & skf21("6","5","7","2","1","1","5","1") = "6"
    & skf21("6","5","7","2","1","1","6","1") = "6"
    & skf21("6","5","7","2","1","1","7","1") = "6"
    & skf21("6","5","7","2","1","2","1","1") = "6"
    & skf21("6","5","7","2","1","2","2","1") = "6"
    & skf21("6","5","7","2","1","2","3","1") = "6"
    & skf21("6","5","7","2","1","2","4","1") = "6"
    & skf21("6","5","7","2","1","2","5","1") = "6"
    & skf21("6","5","7","2","1","2","6","1") = "6"
    & skf21("6","5","7","2","1","2","7","1") = "6"
    & skf21("6","5","7","2","1","3","1","1") = "6"
    & skf21("6","5","7","2","1","3","2","1") = "6"
    & skf21("6","5","7","2","1","3","3","1") = "6"
    & skf21("6","5","7","2","1","3","4","1") = "6"
    & skf21("6","5","7","2","1","3","5","1") = "6"
    & skf21("6","5","7","2","1","3","6","1") = "6"
    & skf21("6","5","7","2","1","3","7","1") = "6"
    & skf21("6","5","7","2","1","4","1","1") = "6"
    & skf21("6","5","7","2","1","4","2","1") = "6"
    & skf21("6","5","7","2","1","4","3","1") = "6"
    & skf21("6","5","7","2","1","4","4","1") = "6"
    & skf21("6","5","7","2","1","4","5","1") = "6"
    & skf21("6","5","7","2","1","4","6","1") = "6"
    & skf21("6","5","7","2","1","4","7","1") = "6"
    & skf21("6","5","7","2","1","5","1","1") = "6"
    & skf21("6","5","7","2","1","5","2","1") = "6"
    & skf21("6","5","7","2","1","5","3","1") = "6"
    & skf21("6","5","7","2","1","5","4","1") = "6"
    & skf21("6","5","7","2","1","5","5","1") = "6"
    & skf21("6","5","7","2","1","5","6","1") = "6"
    & skf21("6","5","7","2","1","5","7","1") = "6"
    & skf21("6","5","7","2","1","6","1","1") = "6"
    & skf21("6","5","7","2","1","6","2","1") = "6"
    & skf21("6","5","7","2","1","6","3","1") = "6"
    & skf21("6","5","7","2","1","6","4","1") = "6"
    & skf21("6","5","7","2","1","6","5","1") = "6"
    & skf21("6","5","7","2","1","6","6","1") = "6"
    & skf21("6","5","7","2","1","6","7","1") = "6"
    & skf21("6","5","7","2","1","7","1","1") = "6"
    & skf21("6","5","7","2","1","7","2","1") = "6"
    & skf21("6","5","7","2","1","7","3","1") = "6"
    & skf21("6","5","7","2","1","7","4","1") = "6"
    & skf21("6","5","7","2","1","7","5","1") = "6"
    & skf21("6","5","7","2","1","7","6","1") = "6"
    & skf21("6","5","7","2","1","7","7","1") = "6"
    & skf21("6","5","7","2","2","1","1","1") = "6"
    & skf21("6","5","7","2","2","1","2","1") = "6"
    & skf21("6","5","7","2","2","1","3","1") = "6"
    & skf21("6","5","7","2","2","1","4","1") = "6"
    & skf21("6","5","7","2","2","1","5","1") = "6"
    & skf21("6","5","7","2","2","1","6","1") = "6"
    & skf21("6","5","7","2","2","1","7","1") = "6"
    & skf21("6","5","7","2","2","2","1","1") = "6"
    & skf21("6","5","7","2","2","2","2","1") = "6"
    & skf21("6","5","7","2","2","2","3","1") = "6"
    & skf21("6","5","7","2","2","2","4","1") = "6"
    & skf21("6","5","7","2","2","2","5","1") = "6"
    & skf21("6","5","7","2","2","2","6","1") = "6"
    & skf21("6","5","7","2","2","2","7","1") = "6"
    & skf21("6","5","7","2","2","3","1","1") = "6"
    & skf21("6","5","7","2","2","3","2","1") = "6"
    & skf21("6","5","7","2","2","3","3","1") = "6"
    & skf21("6","5","7","2","2","3","4","1") = "6"
    & skf21("6","5","7","2","2","3","5","1") = "6"
    & skf21("6","5","7","2","2","3","6","1") = "6"
    & skf21("6","5","7","2","2","3","7","1") = "6"
    & skf21("6","5","7","2","2","4","1","1") = "6"
    & skf21("6","5","7","2","2","4","2","1") = "6"
    & skf21("6","5","7","2","2","4","3","1") = "6"
    & skf21("6","5","7","2","2","4","4","1") = "6"
    & skf21("6","5","7","2","2","4","5","1") = "6"
    & skf21("6","5","7","2","2","4","6","1") = "6"
    & skf21("6","5","7","2","2","4","7","1") = "6"
    & skf21("6","5","7","2","2","5","1","1") = "6"
    & skf21("6","5","7","2","2","5","2","1") = "6"
    & skf21("6","5","7","2","2","5","3","1") = "6"
    & skf21("6","5","7","2","2","5","4","1") = "6"
    & skf21("6","5","7","2","2","5","5","1") = "6"
    & skf21("6","5","7","2","2","5","6","1") = "6"
    & skf21("6","5","7","2","2","5","7","1") = "6"
    & skf21("6","5","7","2","2","6","1","1") = "6"
    & skf21("6","5","7","2","2","6","2","1") = "6"
    & skf21("6","5","7","2","2","6","3","1") = "6"
    & skf21("6","5","7","2","2","6","4","1") = "6"
    & skf21("6","5","7","2","2","6","5","1") = "6"
    & skf21("6","5","7","2","2","6","6","1") = "6"
    & skf21("6","5","7","2","2","6","7","1") = "6"
    & skf21("6","5","7","2","2","7","1","1") = "6"
    & skf21("6","5","7","2","2","7","2","1") = "6"
    & skf21("6","5","7","2","2","7","3","1") = "6"
    & skf21("6","5","7","2","2","7","4","1") = "6"
    & skf21("6","5","7","2","2","7","5","1") = "6"
    & skf21("6","5","7","2","2","7","6","1") = "6"
    & skf21("6","5","7","2","2","7","7","1") = "6"
    & skf21("6","5","7","2","3","1","1","1") = "6"
    & skf21("6","5","7","2","3","1","2","1") = "6"
    & skf21("6","5","7","2","3","1","3","1") = "6"
    & skf21("6","5","7","2","3","1","4","1") = "6"
    & skf21("6","5","7","2","3","1","5","1") = "6"
    & skf21("6","5","7","2","3","1","6","1") = "6"
    & skf21("6","5","7","2","3","1","7","1") = "6"
    & skf21("6","5","7","2","3","2","1","1") = "6"
    & skf21("6","5","7","2","3","2","2","1") = "6"
    & skf21("6","5","7","2","3","2","3","1") = "6"
    & skf21("6","5","7","2","3","2","4","1") = "6"
    & skf21("6","5","7","2","3","2","5","1") = "6"
    & skf21("6","5","7","2","3","2","6","1") = "6"
    & skf21("6","5","7","2","3","2","7","1") = "6"
    & skf21("6","5","7","2","3","3","1","1") = "6"
    & skf21("6","5","7","2","3","3","2","1") = "6"
    & skf21("6","5","7","2","3","3","3","1") = "6"
    & skf21("6","5","7","2","3","3","4","1") = "6"
    & skf21("6","5","7","2","3","3","5","1") = "6"
    & skf21("6","5","7","2","3","3","6","1") = "6"
    & skf21("6","5","7","2","3","3","7","1") = "6"
    & skf21("6","5","7","2","3","4","1","1") = "6"
    & skf21("6","5","7","2","3","4","2","1") = "6"
    & skf21("6","5","7","2","3","4","3","1") = "6"
    & skf21("6","5","7","2","3","4","4","1") = "6"
    & skf21("6","5","7","2","3","4","5","1") = "6"
    & skf21("6","5","7","2","3","4","6","1") = "6"
    & skf21("6","5","7","2","3","4","7","1") = "6"
    & skf21("6","5","7","2","3","5","1","1") = "6"
    & skf21("6","5","7","2","3","5","2","1") = "6"
    & skf21("6","5","7","2","3","5","3","1") = "6"
    & skf21("6","5","7","2","3","5","4","1") = "6"
    & skf21("6","5","7","2","3","5","5","1") = "6"
    & skf21("6","5","7","2","3","5","6","1") = "6"
    & skf21("6","5","7","2","3","5","7","1") = "6"
    & skf21("6","5","7","2","3","6","1","1") = "6"
    & skf21("6","5","7","2","3","6","2","1") = "6"
    & skf21("6","5","7","2","3","6","3","1") = "6"
    & skf21("6","5","7","2","3","6","4","1") = "6"
    & skf21("6","5","7","2","3","6","5","1") = "6"
    & skf21("6","5","7","2","3","6","6","1") = "6"
    & skf21("6","5","7","2","3","6","7","1") = "6"
    & skf21("6","5","7","2","3","7","1","1") = "6"
    & skf21("6","5","7","2","3","7","2","1") = "6"
    & skf21("6","5","7","2","3","7","3","1") = "6"
    & skf21("6","5","7","2","3","7","4","1") = "6"
    & skf21("6","5","7","2","3","7","5","1") = "6"
    & skf21("6","5","7","2","3","7","6","1") = "6"
    & skf21("6","5","7","2","3","7","7","1") = "6"
    & skf21("6","5","7","2","4","1","1","1") = "6"
    & skf21("6","5","7","2","4","1","2","1") = "6"
    & skf21("6","5","7","2","4","1","3","1") = "6"
    & skf21("6","5","7","2","4","1","4","1") = "6"
    & skf21("6","5","7","2","4","1","5","1") = "6"
    & skf21("6","5","7","2","4","1","6","1") = "6"
    & skf21("6","5","7","2","4","1","7","1") = "6"
    & skf21("6","5","7","2","4","2","1","1") = "6"
    & skf21("6","5","7","2","4","2","2","1") = "6"
    & skf21("6","5","7","2","4","2","3","1") = "6"
    & skf21("6","5","7","2","4","2","4","1") = "6"
    & skf21("6","5","7","2","4","2","5","1") = "6"
    & skf21("6","5","7","2","4","2","6","1") = "6"
    & skf21("6","5","7","2","4","2","7","1") = "6"
    & skf21("6","5","7","2","4","3","1","1") = "6"
    & skf21("6","5","7","2","4","3","2","1") = "6"
    & skf21("6","5","7","2","4","3","3","1") = "6"
    & skf21("6","5","7","2","4","3","4","1") = "6"
    & skf21("6","5","7","2","4","3","5","1") = "6"
    & skf21("6","5","7","2","4","3","6","1") = "6"
    & skf21("6","5","7","2","4","3","7","1") = "6"
    & skf21("6","5","7","2","4","4","1","1") = "6"
    & skf21("6","5","7","2","4","4","2","1") = "6"
    & skf21("6","5","7","2","4","4","3","1") = "6"
    & skf21("6","5","7","2","4","4","4","1") = "6"
    & skf21("6","5","7","2","4","4","5","1") = "6"
    & skf21("6","5","7","2","4","4","6","1") = "6"
    & skf21("6","5","7","2","4","4","7","1") = "6"
    & skf21("6","5","7","2","4","5","1","1") = "6"
    & skf21("6","5","7","2","4","5","2","1") = "6"
    & skf21("6","5","7","2","4","5","3","1") = "6"
    & skf21("6","5","7","2","4","5","4","1") = "6"
    & skf21("6","5","7","2","4","5","5","1") = "6"
    & skf21("6","5","7","2","4","5","6","1") = "6"
    & skf21("6","5","7","2","4","5","7","1") = "6"
    & skf21("6","5","7","2","4","6","1","1") = "6"
    & skf21("6","5","7","2","4","6","2","1") = "6"
    & skf21("6","5","7","2","4","6","3","1") = "6"
    & skf21("6","5","7","2","4","6","4","1") = "6"
    & skf21("6","5","7","2","4","6","5","1") = "6"
    & skf21("6","5","7","2","4","6","6","1") = "6"
    & skf21("6","5","7","2","4","6","7","1") = "6"
    & skf21("6","5","7","2","4","7","1","1") = "6"
    & skf21("6","5","7","2","4","7","2","1") = "6"
    & skf21("6","5","7","2","4","7","3","1") = "6"
    & skf21("6","5","7","2","4","7","4","1") = "6"
    & skf21("6","5","7","2","4","7","5","1") = "6"
    & skf21("6","5","7","2","4","7","6","1") = "6"
    & skf21("6","5","7","2","4","7","7","1") = "6"
    & skf21("6","5","7","2","5","1","1","1") = "6"
    & skf21("6","5","7","2","5","1","2","1") = "6"
    & skf21("6","5","7","2","5","1","3","1") = "6"
    & skf21("6","5","7","2","5","1","4","1") = "6"
    & skf21("6","5","7","2","5","1","5","1") = "6"
    & skf21("6","5","7","2","5","1","6","1") = "6"
    & skf21("6","5","7","2","5","1","7","1") = "6"
    & skf21("6","5","7","2","5","2","1","1") = "6"
    & skf21("6","5","7","2","5","2","2","1") = "6"
    & skf21("6","5","7","2","5","2","3","1") = "6"
    & skf21("6","5","7","2","5","2","4","1") = "6"
    & skf21("6","5","7","2","5","2","5","1") = "6"
    & skf21("6","5","7","2","5","2","6","1") = "6"
    & skf21("6","5","7","2","5","2","7","1") = "6"
    & skf21("6","5","7","2","5","3","1","1") = "6"
    & skf21("6","5","7","2","5","3","2","1") = "6"
    & skf21("6","5","7","2","5","3","3","1") = "6"
    & skf21("6","5","7","2","5","3","4","1") = "6"
    & skf21("6","5","7","2","5","3","5","1") = "6"
    & skf21("6","5","7","2","5","3","6","1") = "6"
    & skf21("6","5","7","2","5","3","7","1") = "6"
    & skf21("6","5","7","2","5","4","1","1") = "6"
    & skf21("6","5","7","2","5","4","2","1") = "6"
    & skf21("6","5","7","2","5","4","3","1") = "6"
    & skf21("6","5","7","2","5","4","4","1") = "6"
    & skf21("6","5","7","2","5","4","5","1") = "6"
    & skf21("6","5","7","2","5","4","6","1") = "6"
    & skf21("6","5","7","2","5","4","7","1") = "6"
    & skf21("6","5","7","2","5","5","1","1") = "6"
    & skf21("6","5","7","2","5","5","2","1") = "6"
    & skf21("6","5","7","2","5","5","3","1") = "6"
    & skf21("6","5","7","2","5","5","4","1") = "6"
    & skf21("6","5","7","2","5","5","5","1") = "6"
    & skf21("6","5","7","2","5","5","6","1") = "6"
    & skf21("6","5","7","2","5","5","7","1") = "6"
    & skf21("6","5","7","2","5","6","1","1") = "6"
    & skf21("6","5","7","2","5","6","2","1") = "6"
    & skf21("6","5","7","2","5","6","3","1") = "6"
    & skf21("6","5","7","2","5","6","4","1") = "6"
    & skf21("6","5","7","2","5","6","5","1") = "6"
    & skf21("6","5","7","2","5","6","6","1") = "6"
    & skf21("6","5","7","2","5","6","7","1") = "6"
    & skf21("6","5","7","2","5","7","1","1") = "6"
    & skf21("6","5","7","2","5","7","2","1") = "6"
    & skf21("6","5","7","2","5","7","3","1") = "6"
    & skf21("6","5","7","2","5","7","4","1") = "6"
    & skf21("6","5","7","2","5","7","5","1") = "6"
    & skf21("6","5","7","2","5","7","6","1") = "6"
    & skf21("6","5","7","2","5","7","7","1") = "6"
    & skf21("6","5","7","2","6","1","1","1") = "6"
    & skf21("6","5","7","2","6","1","2","1") = "6"
    & skf21("6","5","7","2","6","1","3","1") = "6"
    & skf21("6","5","7","2","6","1","4","1") = "6"
    & skf21("6","5","7","2","6","1","5","1") = "6"
    & skf21("6","5","7","2","6","1","6","1") = "6"
    & skf21("6","5","7","2","6","1","7","1") = "6"
    & skf21("6","5","7","2","6","2","1","1") = "6"
    & skf21("6","5","7","2","6","2","2","1") = "6"
    & skf21("6","5","7","2","6","2","3","1") = "6"
    & skf21("6","5","7","2","6","2","4","1") = "6"
    & skf21("6","5","7","2","6","2","5","1") = "6"
    & skf21("6","5","7","2","6","2","6","1") = "6"
    & skf21("6","5","7","2","6","2","7","1") = "6"
    & skf21("6","5","7","2","6","3","1","1") = "6"
    & skf21("6","5","7","2","6","3","2","1") = "6"
    & skf21("6","5","7","2","6","3","3","1") = "6"
    & skf21("6","5","7","2","6","3","4","1") = "6"
    & skf21("6","5","7","2","6","3","5","1") = "6"
    & skf21("6","5","7","2","6","3","6","1") = "6"
    & skf21("6","5","7","2","6","3","7","1") = "6"
    & skf21("6","5","7","2","6","4","1","1") = "6"
    & skf21("6","5","7","2","6","4","2","1") = "6"
    & skf21("6","5","7","2","6","4","3","1") = "6"
    & skf21("6","5","7","2","6","4","4","1") = "6"
    & skf21("6","5","7","2","6","4","5","1") = "6"
    & skf21("6","5","7","2","6","4","6","1") = "6"
    & skf21("6","5","7","2","6","4","7","1") = "6"
    & skf21("6","5","7","2","6","5","1","1") = "6"
    & skf21("6","5","7","2","6","5","2","1") = "6"
    & skf21("6","5","7","2","6","5","3","1") = "6"
    & skf21("6","5","7","2","6","5","4","1") = "6"
    & skf21("6","5","7","2","6","5","5","1") = "6"
    & skf21("6","5","7","2","6","5","6","1") = "6"
    & skf21("6","5","7","2","6","5","7","1") = "6"
    & skf21("6","5","7","2","6","6","1","1") = "6"
    & skf21("6","5","7","2","6","6","2","1") = "6"
    & skf21("6","5","7","2","6","6","3","1") = "6"
    & skf21("6","5","7","2","6","6","4","1") = "6"
    & skf21("6","5","7","2","6","6","5","1") = "6"
    & skf21("6","5","7","2","6","6","6","1") = "6"
    & skf21("6","5","7","2","6","6","7","1") = "6"
    & skf21("6","5","7","2","6","7","1","1") = "6"
    & skf21("6","5","7","2","6","7","2","1") = "6"
    & skf21("6","5","7","2","6","7","3","1") = "6"
    & skf21("6","5","7","2","6","7","4","1") = "6"
    & skf21("6","5","7","2","6","7","5","1") = "6"
    & skf21("6","5","7","2","6","7","6","1") = "6"
    & skf21("6","5","7","2","6","7","7","1") = "6"
    & skf21("6","5","7","2","7","1","1","1") = "6"
    & skf21("6","5","7","2","7","1","2","1") = "6"
    & skf21("6","5","7","2","7","1","3","1") = "6"
    & skf21("6","5","7","2","7","1","4","1") = "6"
    & skf21("6","5","7","2","7","1","5","1") = "6"
    & skf21("6","5","7","2","7","1","6","1") = "6"
    & skf21("6","5","7","2","7","1","7","1") = "6"
    & skf21("6","5","7","2","7","2","1","1") = "6"
    & skf21("6","5","7","2","7","2","2","1") = "6"
    & skf21("6","5","7","2","7","2","3","1") = "6"
    & skf21("6","5","7","2","7","2","4","1") = "6"
    & skf21("6","5","7","2","7","2","5","1") = "6"
    & skf21("6","5","7","2","7","2","6","1") = "6"
    & skf21("6","5","7","2","7","2","7","1") = "6"
    & skf21("6","5","7","2","7","3","1","1") = "6"
    & skf21("6","5","7","2","7","3","2","1") = "6"
    & skf21("6","5","7","2","7","3","3","1") = "6"
    & skf21("6","5","7","2","7","3","4","1") = "6"
    & skf21("6","5","7","2","7","3","5","1") = "6"
    & skf21("6","5","7","2","7","3","6","1") = "6"
    & skf21("6","5","7","2","7","3","7","1") = "6"
    & skf21("6","5","7","2","7","4","1","1") = "6"
    & skf21("6","5","7","2","7","4","2","1") = "6"
    & skf21("6","5","7","2","7","4","3","1") = "6"
    & skf21("6","5","7","2","7","4","4","1") = "6"
    & skf21("6","5","7","2","7","4","5","1") = "6"
    & skf21("6","5","7","2","7","4","6","1") = "6"
    & skf21("6","5","7","2","7","4","7","1") = "6"
    & skf21("6","5","7","2","7","5","1","1") = "6"
    & skf21("6","5","7","2","7","5","2","1") = "6"
    & skf21("6","5","7","2","7","5","3","1") = "6"
    & skf21("6","5","7","2","7","5","4","1") = "6"
    & skf21("6","5","7","2","7","5","5","1") = "6"
    & skf21("6","5","7","2","7","5","6","1") = "6"
    & skf21("6","5","7","2","7","5","7","1") = "6"
    & skf21("6","5","7","2","7","6","1","1") = "6"
    & skf21("6","5","7","2","7","6","2","1") = "6"
    & skf21("6","5","7","2","7","6","3","1") = "6"
    & skf21("6","5","7","2","7","6","4","1") = "6"
    & skf21("6","5","7","2","7","6","5","1") = "6"
    & skf21("6","5","7","2","7","6","6","1") = "6"
    & skf21("6","5","7","2","7","6","7","1") = "6"
    & skf21("6","5","7","2","7","7","1","1") = "6"
    & skf21("6","5","7","2","7","7","2","1") = "6"
    & skf21("6","5","7","2","7","7","3","1") = "6"
    & skf21("6","5","7","2","7","7","4","1") = "6"
    & skf21("6","5","7","2","7","7","5","1") = "6"
    & skf21("6","5","7","2","7","7","6","1") = "6"
    & skf21("6","5","7","2","7","7","7","1") = "6"
    & skf21("6","5","7","3","1","1","1","1") = "6"
    & skf21("6","5","7","3","1","1","2","1") = "6"
    & skf21("6","5","7","3","1","1","3","1") = "6"
    & skf21("6","5","7","3","1","1","4","1") = "6"
    & skf21("6","5","7","3","1","1","5","1") = "6"
    & skf21("6","5","7","3","1","1","6","1") = "6"
    & skf21("6","5","7","3","1","1","7","1") = "6"
    & skf21("6","5","7","3","1","2","1","1") = "6"
    & skf21("6","5","7","3","1","2","2","1") = "6"
    & skf21("6","5","7","3","1","2","3","1") = "6"
    & skf21("6","5","7","3","1","2","4","1") = "6"
    & skf21("6","5","7","3","1","2","5","1") = "6"
    & skf21("6","5","7","3","1","2","6","1") = "6"
    & skf21("6","5","7","3","1","2","7","1") = "6"
    & skf21("6","5","7","3","1","3","1","1") = "6"
    & skf21("6","5","7","3","1","3","2","1") = "6"
    & skf21("6","5","7","3","1","3","3","1") = "6"
    & skf21("6","5","7","3","1","3","4","1") = "6"
    & skf21("6","5","7","3","1","3","5","1") = "6"
    & skf21("6","5","7","3","1","3","6","1") = "6"
    & skf21("6","5","7","3","1","3","7","1") = "6"
    & skf21("6","5","7","3","1","4","1","1") = "6"
    & skf21("6","5","7","3","1","4","2","1") = "6"
    & skf21("6","5","7","3","1","4","3","1") = "6"
    & skf21("6","5","7","3","1","4","4","1") = "6"
    & skf21("6","5","7","3","1","4","5","1") = "6"
    & skf21("6","5","7","3","1","4","6","1") = "6"
    & skf21("6","5","7","3","1","4","7","1") = "6"
    & skf21("6","5","7","3","1","5","1","1") = "6"
    & skf21("6","5","7","3","1","5","2","1") = "6"
    & skf21("6","5","7","3","1","5","3","1") = "6"
    & skf21("6","5","7","3","1","5","4","1") = "6"
    & skf21("6","5","7","3","1","5","5","1") = "6"
    & skf21("6","5","7","3","1","5","6","1") = "6"
    & skf21("6","5","7","3","1","5","7","1") = "6"
    & skf21("6","5","7","3","1","6","1","1") = "6"
    & skf21("6","5","7","3","1","6","2","1") = "6"
    & skf21("6","5","7","3","1","6","3","1") = "6"
    & skf21("6","5","7","3","1","6","4","1") = "6"
    & skf21("6","5","7","3","1","6","5","1") = "6"
    & skf21("6","5","7","3","1","6","6","1") = "6"
    & skf21("6","5","7","3","1","6","7","1") = "6"
    & skf21("6","5","7","3","1","7","1","1") = "6"
    & skf21("6","5","7","3","1","7","2","1") = "6"
    & skf21("6","5","7","3","1","7","3","1") = "6"
    & skf21("6","5","7","3","1","7","4","1") = "6"
    & skf21("6","5","7","3","1","7","5","1") = "6"
    & skf21("6","5","7","3","1","7","6","1") = "6"
    & skf21("6","5","7","3","1","7","7","1") = "6"
    & skf21("6","5","7","3","2","1","1","1") = "6"
    & skf21("6","5","7","3","2","1","2","1") = "6"
    & skf21("6","5","7","3","2","1","3","1") = "6"
    & skf21("6","5","7","3","2","1","4","1") = "6"
    & skf21("6","5","7","3","2","1","5","1") = "6"
    & skf21("6","5","7","3","2","1","6","1") = "6"
    & skf21("6","5","7","3","2","1","7","1") = "6"
    & skf21("6","5","7","3","2","2","1","1") = "6"
    & skf21("6","5","7","3","2","2","2","1") = "6"
    & skf21("6","5","7","3","2","2","3","1") = "6"
    & skf21("6","5","7","3","2","2","4","1") = "6"
    & skf21("6","5","7","3","2","2","5","1") = "6"
    & skf21("6","5","7","3","2","2","6","1") = "6"
    & skf21("6","5","7","3","2","2","7","1") = "6"
    & skf21("6","5","7","3","2","3","1","1") = "6"
    & skf21("6","5","7","3","2","3","2","1") = "6"
    & skf21("6","5","7","3","2","3","3","1") = "6"
    & skf21("6","5","7","3","2","3","4","1") = "6"
    & skf21("6","5","7","3","2","3","5","1") = "6"
    & skf21("6","5","7","3","2","3","6","1") = "6"
    & skf21("6","5","7","3","2","3","7","1") = "6"
    & skf21("6","5","7","3","2","4","1","1") = "6"
    & skf21("6","5","7","3","2","4","2","1") = "6"
    & skf21("6","5","7","3","2","4","3","1") = "6"
    & skf21("6","5","7","3","2","4","4","1") = "6"
    & skf21("6","5","7","3","2","4","5","1") = "6"
    & skf21("6","5","7","3","2","4","6","1") = "6"
    & skf21("6","5","7","3","2","4","7","1") = "6"
    & skf21("6","5","7","3","2","5","1","1") = "6"
    & skf21("6","5","7","3","2","5","2","1") = "6"
    & skf21("6","5","7","3","2","5","3","1") = "6"
    & skf21("6","5","7","3","2","5","4","1") = "6"
    & skf21("6","5","7","3","2","5","5","1") = "6"
    & skf21("6","5","7","3","2","5","6","1") = "6"
    & skf21("6","5","7","3","2","5","7","1") = "6"
    & skf21("6","5","7","3","2","6","1","1") = "6"
    & skf21("6","5","7","3","2","6","2","1") = "6"
    & skf21("6","5","7","3","2","6","3","1") = "6"
    & skf21("6","5","7","3","2","6","4","1") = "6"
    & skf21("6","5","7","3","2","6","5","1") = "6"
    & skf21("6","5","7","3","2","6","6","1") = "6"
    & skf21("6","5","7","3","2","6","7","1") = "6"
    & skf21("6","5","7","3","2","7","1","1") = "6"
    & skf21("6","5","7","3","2","7","2","1") = "6"
    & skf21("6","5","7","3","2","7","3","1") = "6"
    & skf21("6","5","7","3","2","7","4","1") = "6"
    & skf21("6","5","7","3","2","7","5","1") = "6"
    & skf21("6","5","7","3","2","7","6","1") = "6"
    & skf21("6","5","7","3","2","7","7","1") = "6"
    & skf21("6","5","7","3","3","1","1","1") = "6"
    & skf21("6","5","7","3","3","1","2","1") = "6"
    & skf21("6","5","7","3","3","1","3","1") = "6"
    & skf21("6","5","7","3","3","1","4","1") = "6"
    & skf21("6","5","7","3","3","1","5","1") = "6"
    & skf21("6","5","7","3","3","1","6","1") = "6"
    & skf21("6","5","7","3","3","1","7","1") = "6"
    & skf21("6","5","7","3","3","2","1","1") = "6"
    & skf21("6","5","7","3","3","2","2","1") = "6"
    & skf21("6","5","7","3","3","2","3","1") = "6"
    & skf21("6","5","7","3","3","2","4","1") = "6"
    & skf21("6","5","7","3","3","2","5","1") = "6"
    & skf21("6","5","7","3","3","2","6","1") = "6"
    & skf21("6","5","7","3","3","2","7","1") = "6"
    & skf21("6","5","7","3","3","3","1","1") = "6"
    & skf21("6","5","7","3","3","3","2","1") = "6"
    & skf21("6","5","7","3","3","3","3","1") = "6"
    & skf21("6","5","7","3","3","3","4","1") = "6"
    & skf21("6","5","7","3","3","3","5","1") = "6"
    & skf21("6","5","7","3","3","3","6","1") = "6"
    & skf21("6","5","7","3","3","3","7","1") = "6"
    & skf21("6","5","7","3","3","4","1","1") = "6"
    & skf21("6","5","7","3","3","4","2","1") = "6"
    & skf21("6","5","7","3","3","4","3","1") = "6"
    & skf21("6","5","7","3","3","4","4","1") = "6"
    & skf21("6","5","7","3","3","4","5","1") = "6"
    & skf21("6","5","7","3","3","4","6","1") = "6"
    & skf21("6","5","7","3","3","4","7","1") = "6"
    & skf21("6","5","7","3","3","5","1","1") = "6"
    & skf21("6","5","7","3","3","5","2","1") = "6"
    & skf21("6","5","7","3","3","5","3","1") = "6"
    & skf21("6","5","7","3","3","5","4","1") = "6"
    & skf21("6","5","7","3","3","5","5","1") = "6"
    & skf21("6","5","7","3","3","5","6","1") = "6"
    & skf21("6","5","7","3","3","5","7","1") = "6"
    & skf21("6","5","7","3","3","6","1","1") = "6"
    & skf21("6","5","7","3","3","6","2","1") = "6"
    & skf21("6","5","7","3","3","6","3","1") = "6"
    & skf21("6","5","7","3","3","6","4","1") = "6"
    & skf21("6","5","7","3","3","6","5","1") = "6"
    & skf21("6","5","7","3","3","6","6","1") = "6"
    & skf21("6","5","7","3","3","6","7","1") = "6"
    & skf21("6","5","7","3","3","7","1","1") = "6"
    & skf21("6","5","7","3","3","7","2","1") = "6"
    & skf21("6","5","7","3","3","7","3","1") = "6"
    & skf21("6","5","7","3","3","7","4","1") = "6"
    & skf21("6","5","7","3","3","7","5","1") = "6"
    & skf21("6","5","7","3","3","7","6","1") = "6"
    & skf21("6","5","7","3","3","7","7","1") = "6"
    & skf21("6","5","7","3","4","1","1","1") = "6"
    & skf21("6","5","7","3","4","1","2","1") = "6"
    & skf21("6","5","7","3","4","1","3","1") = "6"
    & skf21("6","5","7","3","4","1","4","1") = "6"
    & skf21("6","5","7","3","4","1","5","1") = "6"
    & skf21("6","5","7","3","4","1","6","1") = "6"
    & skf21("6","5","7","3","4","1","7","1") = "6"
    & skf21("6","5","7","3","4","2","1","1") = "6"
    & skf21("6","5","7","3","4","2","2","1") = "6"
    & skf21("6","5","7","3","4","2","3","1") = "6"
    & skf21("6","5","7","3","4","2","4","1") = "6"
    & skf21("6","5","7","3","4","2","5","1") = "6"
    & skf21("6","5","7","3","4","2","6","1") = "6"
    & skf21("6","5","7","3","4","2","7","1") = "6"
    & skf21("6","5","7","3","4","3","1","1") = "6"
    & skf21("6","5","7","3","4","3","2","1") = "6"
    & skf21("6","5","7","3","4","3","3","1") = "6"
    & skf21("6","5","7","3","4","3","4","1") = "6"
    & skf21("6","5","7","3","4","3","5","1") = "6"
    & skf21("6","5","7","3","4","3","6","1") = "6"
    & skf21("6","5","7","3","4","3","7","1") = "6"
    & skf21("6","5","7","3","4","4","1","1") = "6"
    & skf21("6","5","7","3","4","4","2","1") = "6"
    & skf21("6","5","7","3","4","4","3","1") = "6"
    & skf21("6","5","7","3","4","4","4","1") = "6"
    & skf21("6","5","7","3","4","4","5","1") = "6"
    & skf21("6","5","7","3","4","4","6","1") = "6"
    & skf21("6","5","7","3","4","4","7","1") = "6"
    & skf21("6","5","7","3","4","5","1","1") = "6"
    & skf21("6","5","7","3","4","5","2","1") = "6"
    & skf21("6","5","7","3","4","5","3","1") = "6"
    & skf21("6","5","7","3","4","5","4","1") = "6"
    & skf21("6","5","7","3","4","5","5","1") = "6"
    & skf21("6","5","7","3","4","5","6","1") = "6"
    & skf21("6","5","7","3","4","5","7","1") = "6"
    & skf21("6","5","7","3","4","6","1","1") = "6"
    & skf21("6","5","7","3","4","6","2","1") = "6"
    & skf21("6","5","7","3","4","6","3","1") = "6"
    & skf21("6","5","7","3","4","6","4","1") = "6"
    & skf21("6","5","7","3","4","6","5","1") = "6"
    & skf21("6","5","7","3","4","6","6","1") = "6"
    & skf21("6","5","7","3","4","6","7","1") = "6"
    & skf21("6","5","7","3","4","7","1","1") = "6"
    & skf21("6","5","7","3","4","7","2","1") = "6"
    & skf21("6","5","7","3","4","7","3","1") = "6"
    & skf21("6","5","7","3","4","7","4","1") = "6"
    & skf21("6","5","7","3","4","7","5","1") = "6"
    & skf21("6","5","7","3","4","7","6","1") = "6"
    & skf21("6","5","7","3","4","7","7","1") = "6"
    & skf21("6","5","7","3","5","1","1","1") = "6"
    & skf21("6","5","7","3","5","1","2","1") = "6"
    & skf21("6","5","7","3","5","1","3","1") = "6"
    & skf21("6","5","7","3","5","1","4","1") = "6"
    & skf21("6","5","7","3","5","1","5","1") = "6"
    & skf21("6","5","7","3","5","1","6","1") = "6"
    & skf21("6","5","7","3","5","1","7","1") = "6"
    & skf21("6","5","7","3","5","2","1","1") = "6"
    & skf21("6","5","7","3","5","2","2","1") = "6"
    & skf21("6","5","7","3","5","2","3","1") = "6"
    & skf21("6","5","7","3","5","2","4","1") = "6"
    & skf21("6","5","7","3","5","2","5","1") = "6"
    & skf21("6","5","7","3","5","2","6","1") = "6"
    & skf21("6","5","7","3","5","2","7","1") = "6"
    & skf21("6","5","7","3","5","3","1","1") = "6"
    & skf21("6","5","7","3","5","3","2","1") = "6"
    & skf21("6","5","7","3","5","3","3","1") = "6"
    & skf21("6","5","7","3","5","3","4","1") = "6"
    & skf21("6","5","7","3","5","3","5","1") = "6"
    & skf21("6","5","7","3","5","3","6","1") = "6"
    & skf21("6","5","7","3","5","3","7","1") = "6"
    & skf21("6","5","7","3","5","4","1","1") = "6"
    & skf21("6","5","7","3","5","4","2","1") = "6"
    & skf21("6","5","7","3","5","4","3","1") = "6"
    & skf21("6","5","7","3","5","4","4","1") = "6"
    & skf21("6","5","7","3","5","4","5","1") = "6"
    & skf21("6","5","7","3","5","4","6","1") = "6"
    & skf21("6","5","7","3","5","4","7","1") = "6"
    & skf21("6","5","7","3","5","5","1","1") = "6"
    & skf21("6","5","7","3","5","5","2","1") = "6"
    & skf21("6","5","7","3","5","5","3","1") = "6"
    & skf21("6","5","7","3","5","5","4","1") = "6"
    & skf21("6","5","7","3","5","5","5","1") = "6"
    & skf21("6","5","7","3","5","5","6","1") = "6"
    & skf21("6","5","7","3","5","5","7","1") = "6"
    & skf21("6","5","7","3","5","6","1","1") = "6"
    & skf21("6","5","7","3","5","6","2","1") = "6"
    & skf21("6","5","7","3","5","6","3","1") = "6"
    & skf21("6","5","7","3","5","6","4","1") = "6"
    & skf21("6","5","7","3","5","6","5","1") = "6"
    & skf21("6","5","7","3","5","6","6","1") = "6"
    & skf21("6","5","7","3","5","6","7","1") = "6"
    & skf21("6","5","7","3","5","7","1","1") = "6"
    & skf21("6","5","7","3","5","7","2","1") = "6"
    & skf21("6","5","7","3","5","7","3","1") = "6"
    & skf21("6","5","7","3","5","7","4","1") = "6"
    & skf21("6","5","7","3","5","7","5","1") = "6"
    & skf21("6","5","7","3","5","7","6","1") = "6"
    & skf21("6","5","7","3","5","7","7","1") = "6"
    & skf21("6","5","7","3","6","1","1","1") = "6"
    & skf21("6","5","7","3","6","1","2","1") = "6"
    & skf21("6","5","7","3","6","1","3","1") = "6"
    & skf21("6","5","7","3","6","1","4","1") = "6"
    & skf21("6","5","7","3","6","1","5","1") = "6"
    & skf21("6","5","7","3","6","1","6","1") = "6"
    & skf21("6","5","7","3","6","1","7","1") = "6"
    & skf21("6","5","7","3","6","2","1","1") = "6"
    & skf21("6","5","7","3","6","2","2","1") = "6"
    & skf21("6","5","7","3","6","2","3","1") = "6"
    & skf21("6","5","7","3","6","2","4","1") = "6"
    & skf21("6","5","7","3","6","2","5","1") = "6"
    & skf21("6","5","7","3","6","2","6","1") = "6"
    & skf21("6","5","7","3","6","2","7","1") = "6"
    & skf21("6","5","7","3","6","3","1","1") = "6"
    & skf21("6","5","7","3","6","3","2","1") = "6"
    & skf21("6","5","7","3","6","3","3","1") = "6"
    & skf21("6","5","7","3","6","3","4","1") = "6"
    & skf21("6","5","7","3","6","3","5","1") = "6"
    & skf21("6","5","7","3","6","3","6","1") = "6"
    & skf21("6","5","7","3","6","3","7","1") = "6"
    & skf21("6","5","7","3","6","4","1","1") = "6"
    & skf21("6","5","7","3","6","4","2","1") = "6"
    & skf21("6","5","7","3","6","4","3","1") = "6"
    & skf21("6","5","7","3","6","4","4","1") = "6"
    & skf21("6","5","7","3","6","4","5","1") = "6"
    & skf21("6","5","7","3","6","4","6","1") = "6"
    & skf21("6","5","7","3","6","4","7","1") = "6"
    & skf21("6","5","7","3","6","5","1","1") = "6"
    & skf21("6","5","7","3","6","5","2","1") = "6"
    & skf21("6","5","7","3","6","5","3","1") = "6"
    & skf21("6","5","7","3","6","5","4","1") = "6"
    & skf21("6","5","7","3","6","5","5","1") = "6"
    & skf21("6","5","7","3","6","5","6","1") = "6"
    & skf21("6","5","7","3","6","5","7","1") = "6"
    & skf21("6","5","7","3","6","6","1","1") = "6"
    & skf21("6","5","7","3","6","6","2","1") = "6"
    & skf21("6","5","7","3","6","6","3","1") = "6"
    & skf21("6","5","7","3","6","6","4","1") = "6"
    & skf21("6","5","7","3","6","6","5","1") = "6"
    & skf21("6","5","7","3","6","6","6","1") = "6"
    & skf21("6","5","7","3","6","6","7","1") = "6"
    & skf21("6","5","7","3","6","7","1","1") = "6"
    & skf21("6","5","7","3","6","7","2","1") = "6"
    & skf21("6","5","7","3","6","7","3","1") = "6"
    & skf21("6","5","7","3","6","7","4","1") = "6"
    & skf21("6","5","7","3","6","7","5","1") = "6"
    & skf21("6","5","7","3","6","7","6","1") = "6"
    & skf21("6","5","7","3","6","7","7","1") = "6"
    & skf21("6","5","7","3","7","1","1","1") = "6"
    & skf21("6","5","7","3","7","1","2","1") = "6"
    & skf21("6","5","7","3","7","1","3","1") = "6"
    & skf21("6","5","7","3","7","1","4","1") = "6"
    & skf21("6","5","7","3","7","1","5","1") = "6"
    & skf21("6","5","7","3","7","1","6","1") = "6"
    & skf21("6","5","7","3","7","1","7","1") = "6"
    & skf21("6","5","7","3","7","2","1","1") = "6"
    & skf21("6","5","7","3","7","2","2","1") = "6"
    & skf21("6","5","7","3","7","2","3","1") = "6"
    & skf21("6","5","7","3","7","2","4","1") = "6"
    & skf21("6","5","7","3","7","2","5","1") = "6"
    & skf21("6","5","7","3","7","2","6","1") = "6"
    & skf21("6","5","7","3","7","2","7","1") = "6"
    & skf21("6","5","7","3","7","3","1","1") = "6"
    & skf21("6","5","7","3","7","3","2","1") = "6"
    & skf21("6","5","7","3","7","3","3","1") = "6"
    & skf21("6","5","7","3","7","3","4","1") = "6"
    & skf21("6","5","7","3","7","3","5","1") = "6"
    & skf21("6","5","7","3","7","3","6","1") = "6"
    & skf21("6","5","7","3","7","3","7","1") = "6"
    & skf21("6","5","7","3","7","4","1","1") = "6"
    & skf21("6","5","7","3","7","4","2","1") = "6"
    & skf21("6","5","7","3","7","4","3","1") = "6"
    & skf21("6","5","7","3","7","4","4","1") = "6"
    & skf21("6","5","7","3","7","4","5","1") = "6"
    & skf21("6","5","7","3","7","4","6","1") = "6"
    & skf21("6","5","7","3","7","4","7","1") = "6"
    & skf21("6","5","7","3","7","5","1","1") = "6"
    & skf21("6","5","7","3","7","5","2","1") = "6"
    & skf21("6","5","7","3","7","5","3","1") = "6"
    & skf21("6","5","7","3","7","5","4","1") = "6"
    & skf21("6","5","7","3","7","5","5","1") = "6"
    & skf21("6","5","7","3","7","5","6","1") = "6"
    & skf21("6","5","7","3","7","5","7","1") = "6"
    & skf21("6","5","7","3","7","6","1","1") = "6"
    & skf21("6","5","7","3","7","6","2","1") = "6"
    & skf21("6","5","7","3","7","6","3","1") = "6"
    & skf21("6","5","7","3","7","6","4","1") = "6"
    & skf21("6","5","7","3","7","6","5","1") = "6"
    & skf21("6","5","7","3","7","6","6","1") = "6"
    & skf21("6","5","7","3","7","6","7","1") = "6"
    & skf21("6","5","7","3","7","7","1","1") = "6"
    & skf21("6","5","7","3","7","7","2","1") = "6"
    & skf21("6","5","7","3","7","7","3","1") = "6"
    & skf21("6","5","7","3","7","7","4","1") = "6"
    & skf21("6","5","7","3","7","7","5","1") = "6"
    & skf21("6","5","7","3","7","7","6","1") = "6"
    & skf21("6","5","7","3","7","7","7","1") = "6"
    & skf21("6","5","7","4","1","1","1","1") = "6"
    & skf21("6","5","7","4","1","1","2","1") = "6"
    & skf21("6","5","7","4","1","1","3","1") = "6"
    & skf21("6","5","7","4","1","1","4","1") = "6"
    & skf21("6","5","7","4","1","1","5","1") = "6"
    & skf21("6","5","7","4","1","1","6","1") = "6"
    & skf21("6","5","7","4","1","1","7","1") = "6"
    & skf21("6","5","7","4","1","2","1","1") = "6"
    & skf21("6","5","7","4","1","2","2","1") = "6"
    & skf21("6","5","7","4","1","2","3","1") = "6"
    & skf21("6","5","7","4","1","2","4","1") = "6"
    & skf21("6","5","7","4","1","2","5","1") = "6"
    & skf21("6","5","7","4","1","2","6","1") = "6"
    & skf21("6","5","7","4","1","2","7","1") = "6"
    & skf21("6","5","7","4","1","3","1","1") = "6"
    & skf21("6","5","7","4","1","3","2","1") = "6"
    & skf21("6","5","7","4","1","3","3","1") = "6"
    & skf21("6","5","7","4","1","3","4","1") = "6"
    & skf21("6","5","7","4","1","3","5","1") = "6"
    & skf21("6","5","7","4","1","3","6","1") = "6"
    & skf21("6","5","7","4","1","3","7","1") = "6"
    & skf21("6","5","7","4","1","4","1","1") = "6"
    & skf21("6","5","7","4","1","4","2","1") = "6"
    & skf21("6","5","7","4","1","4","3","1") = "6"
    & skf21("6","5","7","4","1","4","4","1") = "6"
    & skf21("6","5","7","4","1","4","5","1") = "6"
    & skf21("6","5","7","4","1","4","6","1") = "6"
    & skf21("6","5","7","4","1","4","7","1") = "6"
    & skf21("6","5","7","4","1","5","1","1") = "6"
    & skf21("6","5","7","4","1","5","2","1") = "6"
    & skf21("6","5","7","4","1","5","3","1") = "6"
    & skf21("6","5","7","4","1","5","4","1") = "6"
    & skf21("6","5","7","4","1","5","5","1") = "6"
    & skf21("6","5","7","4","1","5","6","1") = "6"
    & skf21("6","5","7","4","1","5","7","1") = "6"
    & skf21("6","5","7","4","1","6","1","1") = "6"
    & skf21("6","5","7","4","1","6","2","1") = "6"
    & skf21("6","5","7","4","1","6","3","1") = "6"
    & skf21("6","5","7","4","1","6","4","1") = "6"
    & skf21("6","5","7","4","1","6","5","1") = "6"
    & skf21("6","5","7","4","1","6","6","1") = "6"
    & skf21("6","5","7","4","1","6","7","1") = "6"
    & skf21("6","5","7","4","1","7","1","1") = "6"
    & skf21("6","5","7","4","1","7","2","1") = "6"
    & skf21("6","5","7","4","1","7","3","1") = "6"
    & skf21("6","5","7","4","1","7","4","1") = "6"
    & skf21("6","5","7","4","1","7","5","1") = "6"
    & skf21("6","5","7","4","1","7","6","1") = "6"
    & skf21("6","5","7","4","1","7","7","1") = "6"
    & skf21("6","5","7","4","2","1","1","1") = "6"
    & skf21("6","5","7","4","2","1","2","1") = "6"
    & skf21("6","5","7","4","2","1","3","1") = "6"
    & skf21("6","5","7","4","2","1","4","1") = "6"
    & skf21("6","5","7","4","2","1","5","1") = "6"
    & skf21("6","5","7","4","2","1","6","1") = "6"
    & skf21("6","5","7","4","2","1","7","1") = "6"
    & skf21("6","5","7","4","2","2","1","1") = "6"
    & skf21("6","5","7","4","2","2","2","1") = "6"
    & skf21("6","5","7","4","2","2","3","1") = "6"
    & skf21("6","5","7","4","2","2","4","1") = "6"
    & skf21("6","5","7","4","2","2","5","1") = "6"
    & skf21("6","5","7","4","2","2","6","1") = "6"
    & skf21("6","5","7","4","2","2","7","1") = "6"
    & skf21("6","5","7","4","2","3","1","1") = "6"
    & skf21("6","5","7","4","2","3","2","1") = "6"
    & skf21("6","5","7","4","2","3","3","1") = "6"
    & skf21("6","5","7","4","2","3","4","1") = "6"
    & skf21("6","5","7","4","2","3","5","1") = "6"
    & skf21("6","5","7","4","2","3","6","1") = "6"
    & skf21("6","5","7","4","2","3","7","1") = "6"
    & skf21("6","5","7","4","2","4","1","1") = "6"
    & skf21("6","5","7","4","2","4","2","1") = "6"
    & skf21("6","5","7","4","2","4","3","1") = "6"
    & skf21("6","5","7","4","2","4","4","1") = "6"
    & skf21("6","5","7","4","2","4","5","1") = "6"
    & skf21("6","5","7","4","2","4","6","1") = "6"
    & skf21("6","5","7","4","2","4","7","1") = "6"
    & skf21("6","5","7","4","2","5","1","1") = "6"
    & skf21("6","5","7","4","2","5","2","1") = "6"
    & skf21("6","5","7","4","2","5","3","1") = "6"
    & skf21("6","5","7","4","2","5","4","1") = "6"
    & skf21("6","5","7","4","2","5","5","1") = "6"
    & skf21("6","5","7","4","2","5","6","1") = "6"
    & skf21("6","5","7","4","2","5","7","1") = "6"
    & skf21("6","5","7","4","2","6","1","1") = "6"
    & skf21("6","5","7","4","2","6","2","1") = "6"
    & skf21("6","5","7","4","2","6","3","1") = "6"
    & skf21("6","5","7","4","2","6","4","1") = "6"
    & skf21("6","5","7","4","2","6","5","1") = "6"
    & skf21("6","5","7","4","2","6","6","1") = "6"
    & skf21("6","5","7","4","2","6","7","1") = "6"
    & skf21("6","5","7","4","2","7","1","1") = "6"
    & skf21("6","5","7","4","2","7","2","1") = "6"
    & skf21("6","5","7","4","2","7","3","1") = "6"
    & skf21("6","5","7","4","2","7","4","1") = "6"
    & skf21("6","5","7","4","2","7","5","1") = "6"
    & skf21("6","5","7","4","2","7","6","1") = "6"
    & skf21("6","5","7","4","2","7","7","1") = "6"
    & skf21("6","5","7","4","3","1","1","1") = "6"
    & skf21("6","5","7","4","3","1","2","1") = "6"
    & skf21("6","5","7","4","3","1","3","1") = "6"
    & skf21("6","5","7","4","3","1","4","1") = "6"
    & skf21("6","5","7","4","3","1","5","1") = "6"
    & skf21("6","5","7","4","3","1","6","1") = "6"
    & skf21("6","5","7","4","3","1","7","1") = "6"
    & skf21("6","5","7","4","3","2","1","1") = "6"
    & skf21("6","5","7","4","3","2","2","1") = "6"
    & skf21("6","5","7","4","3","2","3","1") = "6"
    & skf21("6","5","7","4","3","2","4","1") = "6"
    & skf21("6","5","7","4","3","2","5","1") = "6"
    & skf21("6","5","7","4","3","2","6","1") = "6"
    & skf21("6","5","7","4","3","2","7","1") = "6"
    & skf21("6","5","7","4","3","3","1","1") = "6"
    & skf21("6","5","7","4","3","3","2","1") = "6"
    & skf21("6","5","7","4","3","3","3","1") = "6"
    & skf21("6","5","7","4","3","3","4","1") = "6"
    & skf21("6","5","7","4","3","3","5","1") = "6"
    & skf21("6","5","7","4","3","3","6","1") = "6"
    & skf21("6","5","7","4","3","3","7","1") = "6"
    & skf21("6","5","7","4","3","4","1","1") = "6"
    & skf21("6","5","7","4","3","4","2","1") = "6"
    & skf21("6","5","7","4","3","4","3","1") = "6"
    & skf21("6","5","7","4","3","4","4","1") = "6"
    & skf21("6","5","7","4","3","4","5","1") = "6"
    & skf21("6","5","7","4","3","4","6","1") = "6"
    & skf21("6","5","7","4","3","4","7","1") = "6"
    & skf21("6","5","7","4","3","5","1","1") = "6"
    & skf21("6","5","7","4","3","5","2","1") = "6"
    & skf21("6","5","7","4","3","5","3","1") = "6"
    & skf21("6","5","7","4","3","5","4","1") = "6"
    & skf21("6","5","7","4","3","5","5","1") = "6"
    & skf21("6","5","7","4","3","5","6","1") = "6"
    & skf21("6","5","7","4","3","5","7","1") = "6"
    & skf21("6","5","7","4","3","6","1","1") = "6"
    & skf21("6","5","7","4","3","6","2","1") = "6"
    & skf21("6","5","7","4","3","6","3","1") = "6"
    & skf21("6","5","7","4","3","6","4","1") = "6"
    & skf21("6","5","7","4","3","6","5","1") = "6"
    & skf21("6","5","7","4","3","6","6","1") = "6"
    & skf21("6","5","7","4","3","6","7","1") = "6"
    & skf21("6","5","7","4","3","7","1","1") = "6"
    & skf21("6","5","7","4","3","7","2","1") = "6"
    & skf21("6","5","7","4","3","7","3","1") = "6"
    & skf21("6","5","7","4","3","7","4","1") = "6"
    & skf21("6","5","7","4","3","7","5","1") = "6"
    & skf21("6","5","7","4","3","7","6","1") = "6"
    & skf21("6","5","7","4","3","7","7","1") = "6"
    & skf21("6","5","7","4","4","1","1","1") = "6"
    & skf21("6","5","7","4","4","1","2","1") = "6"
    & skf21("6","5","7","4","4","1","3","1") = "6"
    & skf21("6","5","7","4","4","1","4","1") = "6"
    & skf21("6","5","7","4","4","1","5","1") = "6"
    & skf21("6","5","7","4","4","1","6","1") = "6"
    & skf21("6","5","7","4","4","1","7","1") = "6"
    & skf21("6","5","7","4","4","2","1","1") = "6"
    & skf21("6","5","7","4","4","2","2","1") = "6"
    & skf21("6","5","7","4","4","2","3","1") = "6"
    & skf21("6","5","7","4","4","2","4","1") = "6"
    & skf21("6","5","7","4","4","2","5","1") = "6"
    & skf21("6","5","7","4","4","2","6","1") = "6"
    & skf21("6","5","7","4","4","2","7","1") = "6"
    & skf21("6","5","7","4","4","3","1","1") = "6"
    & skf21("6","5","7","4","4","3","2","1") = "6"
    & skf21("6","5","7","4","4","3","3","1") = "6"
    & skf21("6","5","7","4","4","3","4","1") = "6"
    & skf21("6","5","7","4","4","3","5","1") = "6"
    & skf21("6","5","7","4","4","3","6","1") = "6"
    & skf21("6","5","7","4","4","3","7","1") = "6"
    & skf21("6","5","7","4","4","4","1","1") = "6"
    & skf21("6","5","7","4","4","4","2","1") = "6"
    & skf21("6","5","7","4","4","4","3","1") = "6"
    & skf21("6","5","7","4","4","4","4","1") = "6"
    & skf21("6","5","7","4","4","4","5","1") = "6"
    & skf21("6","5","7","4","4","4","6","1") = "6"
    & skf21("6","5","7","4","4","4","7","1") = "6"
    & skf21("6","5","7","4","4","5","1","1") = "6"
    & skf21("6","5","7","4","4","5","2","1") = "6"
    & skf21("6","5","7","4","4","5","3","1") = "6"
    & skf21("6","5","7","4","4","5","4","1") = "6"
    & skf21("6","5","7","4","4","5","5","1") = "6"
    & skf21("6","5","7","4","4","5","6","1") = "6"
    & skf21("6","5","7","4","4","5","7","1") = "6"
    & skf21("6","5","7","4","4","6","1","1") = "6"
    & skf21("6","5","7","4","4","6","2","1") = "6"
    & skf21("6","5","7","4","4","6","3","1") = "6"
    & skf21("6","5","7","4","4","6","4","1") = "6"
    & skf21("6","5","7","4","4","6","5","1") = "6"
    & skf21("6","5","7","4","4","6","6","1") = "6"
    & skf21("6","5","7","4","4","6","7","1") = "6"
    & skf21("6","5","7","4","4","7","1","1") = "6"
    & skf21("6","5","7","4","4","7","2","1") = "6"
    & skf21("6","5","7","4","4","7","3","1") = "6"
    & skf21("6","5","7","4","4","7","4","1") = "6"
    & skf21("6","5","7","4","4","7","5","1") = "6"
    & skf21("6","5","7","4","4","7","6","1") = "6"
    & skf21("6","5","7","4","4","7","7","1") = "6"
    & skf21("6","5","7","4","5","1","1","1") = "6"
    & skf21("6","5","7","4","5","1","2","1") = "6"
    & skf21("6","5","7","4","5","1","3","1") = "6"
    & skf21("6","5","7","4","5","1","4","1") = "6"
    & skf21("6","5","7","4","5","1","5","1") = "6"
    & skf21("6","5","7","4","5","1","6","1") = "6"
    & skf21("6","5","7","4","5","1","7","1") = "6"
    & skf21("6","5","7","4","5","2","1","1") = "6"
    & skf21("6","5","7","4","5","2","2","1") = "6"
    & skf21("6","5","7","4","5","2","3","1") = "6"
    & skf21("6","5","7","4","5","2","4","1") = "6"
    & skf21("6","5","7","4","5","2","5","1") = "6"
    & skf21("6","5","7","4","5","2","6","1") = "6"
    & skf21("6","5","7","4","5","2","7","1") = "6"
    & skf21("6","5","7","4","5","3","1","1") = "6"
    & skf21("6","5","7","4","5","3","2","1") = "6"
    & skf21("6","5","7","4","5","3","3","1") = "6"
    & skf21("6","5","7","4","5","3","4","1") = "6"
    & skf21("6","5","7","4","5","3","5","1") = "6"
    & skf21("6","5","7","4","5","3","6","1") = "6"
    & skf21("6","5","7","4","5","3","7","1") = "6"
    & skf21("6","5","7","4","5","4","1","1") = "6"
    & skf21("6","5","7","4","5","4","2","1") = "6"
    & skf21("6","5","7","4","5","4","3","1") = "6"
    & skf21("6","5","7","4","5","4","4","1") = "6"
    & skf21("6","5","7","4","5","4","5","1") = "6"
    & skf21("6","5","7","4","5","4","6","1") = "6"
    & skf21("6","5","7","4","5","4","7","1") = "6"
    & skf21("6","5","7","4","5","5","1","1") = "6"
    & skf21("6","5","7","4","5","5","2","1") = "6"
    & skf21("6","5","7","4","5","5","3","1") = "6"
    & skf21("6","5","7","4","5","5","4","1") = "6"
    & skf21("6","5","7","4","5","5","5","1") = "6"
    & skf21("6","5","7","4","5","5","6","1") = "6"
    & skf21("6","5","7","4","5","5","7","1") = "6"
    & skf21("6","5","7","4","5","6","1","1") = "6"
    & skf21("6","5","7","4","5","6","2","1") = "6"
    & skf21("6","5","7","4","5","6","3","1") = "6"
    & skf21("6","5","7","4","5","6","4","1") = "6"
    & skf21("6","5","7","4","5","6","5","1") = "6"
    & skf21("6","5","7","4","5","6","6","1") = "6"
    & skf21("6","5","7","4","5","6","7","1") = "6"
    & skf21("6","5","7","4","5","7","1","1") = "6"
    & skf21("6","5","7","4","5","7","2","1") = "6"
    & skf21("6","5","7","4","5","7","3","1") = "6"
    & skf21("6","5","7","4","5","7","4","1") = "6"
    & skf21("6","5","7","4","5","7","5","1") = "6"
    & skf21("6","5","7","4","5","7","6","1") = "6"
    & skf21("6","5","7","4","5","7","7","1") = "6"
    & skf21("6","5","7","4","6","1","1","1") = "6"
    & skf21("6","5","7","4","6","1","2","1") = "6"
    & skf21("6","5","7","4","6","1","3","1") = "6"
    & skf21("6","5","7","4","6","1","4","1") = "6"
    & skf21("6","5","7","4","6","1","5","1") = "6"
    & skf21("6","5","7","4","6","1","6","1") = "6"
    & skf21("6","5","7","4","6","1","7","1") = "6"
    & skf21("6","5","7","4","6","2","1","1") = "6"
    & skf21("6","5","7","4","6","2","2","1") = "6"
    & skf21("6","5","7","4","6","2","3","1") = "6"
    & skf21("6","5","7","4","6","2","4","1") = "6"
    & skf21("6","5","7","4","6","2","5","1") = "6"
    & skf21("6","5","7","4","6","2","6","1") = "6"
    & skf21("6","5","7","4","6","2","7","1") = "6"
    & skf21("6","5","7","4","6","3","1","1") = "6"
    & skf21("6","5","7","4","6","3","2","1") = "6"
    & skf21("6","5","7","4","6","3","3","1") = "6"
    & skf21("6","5","7","4","6","3","4","1") = "6"
    & skf21("6","5","7","4","6","3","5","1") = "6"
    & skf21("6","5","7","4","6","3","6","1") = "6"
    & skf21("6","5","7","4","6","3","7","1") = "6"
    & skf21("6","5","7","4","6","4","1","1") = "6"
    & skf21("6","5","7","4","6","4","2","1") = "6"
    & skf21("6","5","7","4","6","4","3","1") = "6"
    & skf21("6","5","7","4","6","4","4","1") = "6"
    & skf21("6","5","7","4","6","4","5","1") = "6"
    & skf21("6","5","7","4","6","4","6","1") = "6"
    & skf21("6","5","7","4","6","4","7","1") = "6"
    & skf21("6","5","7","4","6","5","1","1") = "6"
    & skf21("6","5","7","4","6","5","2","1") = "6"
    & skf21("6","5","7","4","6","5","3","1") = "6"
    & skf21("6","5","7","4","6","5","4","1") = "6"
    & skf21("6","5","7","4","6","5","5","1") = "6"
    & skf21("6","5","7","4","6","5","6","1") = "6"
    & skf21("6","5","7","4","6","5","7","1") = "6"
    & skf21("6","5","7","4","6","6","1","1") = "6"
    & skf21("6","5","7","4","6","6","2","1") = "6"
    & skf21("6","5","7","4","6","6","3","1") = "6"
    & skf21("6","5","7","4","6","6","4","1") = "6"
    & skf21("6","5","7","4","6","6","5","1") = "6"
    & skf21("6","5","7","4","6","6","6","1") = "6"
    & skf21("6","5","7","4","6","6","7","1") = "6"
    & skf21("6","5","7","4","6","7","1","1") = "6"
    & skf21("6","5","7","4","6","7","2","1") = "6"
    & skf21("6","5","7","4","6","7","3","1") = "6"
    & skf21("6","5","7","4","6","7","4","1") = "6"
    & skf21("6","5","7","4","6","7","5","1") = "6"
    & skf21("6","5","7","4","6","7","6","1") = "6"
    & skf21("6","5","7","4","6","7","7","1") = "6"
    & skf21("6","5","7","4","7","1","1","1") = "6"
    & skf21("6","5","7","4","7","1","2","1") = "6"
    & skf21("6","5","7","4","7","1","3","1") = "6"
    & skf21("6","5","7","4","7","1","4","1") = "6"
    & skf21("6","5","7","4","7","1","5","1") = "6"
    & skf21("6","5","7","4","7","1","6","1") = "6"
    & skf21("6","5","7","4","7","1","7","1") = "6"
    & skf21("6","5","7","4","7","2","1","1") = "6"
    & skf21("6","5","7","4","7","2","2","1") = "6"
    & skf21("6","5","7","4","7","2","3","1") = "6"
    & skf21("6","5","7","4","7","2","4","1") = "6"
    & skf21("6","5","7","4","7","2","5","1") = "6"
    & skf21("6","5","7","4","7","2","6","1") = "6"
    & skf21("6","5","7","4","7","2","7","1") = "6"
    & skf21("6","5","7","4","7","3","1","1") = "6"
    & skf21("6","5","7","4","7","3","2","1") = "6"
    & skf21("6","5","7","4","7","3","3","1") = "6"
    & skf21("6","5","7","4","7","3","4","1") = "6"
    & skf21("6","5","7","4","7","3","5","1") = "6"
    & skf21("6","5","7","4","7","3","6","1") = "6"
    & skf21("6","5","7","4","7","3","7","1") = "6"
    & skf21("6","5","7","4","7","4","1","1") = "6"
    & skf21("6","5","7","4","7","4","2","1") = "6"
    & skf21("6","5","7","4","7","4","3","1") = "6"
    & skf21("6","5","7","4","7","4","4","1") = "6"
    & skf21("6","5","7","4","7","4","5","1") = "6"
    & skf21("6","5","7","4","7","4","6","1") = "6"
    & skf21("6","5","7","4","7","4","7","1") = "6"
    & skf21("6","5","7","4","7","5","1","1") = "6"
    & skf21("6","5","7","4","7","5","2","1") = "6"
    & skf21("6","5","7","4","7","5","3","1") = "6"
    & skf21("6","5","7","4","7","5","4","1") = "6"
    & skf21("6","5","7","4","7","5","5","1") = "6"
    & skf21("6","5","7","4","7","5","6","1") = "6"
    & skf21("6","5","7","4","7","5","7","1") = "6"
    & skf21("6","5","7","4","7","6","1","1") = "6"
    & skf21("6","5","7","4","7","6","2","1") = "6"
    & skf21("6","5","7","4","7","6","3","1") = "6"
    & skf21("6","5","7","4","7","6","4","1") = "6"
    & skf21("6","5","7","4","7","6","5","1") = "6"
    & skf21("6","5","7","4","7","6","6","1") = "6"
    & skf21("6","5","7","4","7","6","7","1") = "6"
    & skf21("6","5","7","4","7","7","1","1") = "6"
    & skf21("6","5","7","4","7","7","2","1") = "6"
    & skf21("6","5","7","4","7","7","3","1") = "6"
    & skf21("6","5","7","4","7","7","4","1") = "6"
    & skf21("6","5","7","4","7","7","5","1") = "6"
    & skf21("6","5","7","4","7","7","6","1") = "6"
    & skf21("6","5","7","4","7","7","7","1") = "6"
    & skf21("6","5","7","5","1","1","1","1") = "6"
    & skf21("6","5","7","5","1","1","2","1") = "6"
    & skf21("6","5","7","5","1","1","3","1") = "6"
    & skf21("6","5","7","5","1","1","4","1") = "6"
    & skf21("6","5","7","5","1","1","5","1") = "6"
    & skf21("6","5","7","5","1","1","6","1") = "6"
    & skf21("6","5","7","5","1","1","7","1") = "6"
    & skf21("6","5","7","5","1","2","1","1") = "6"
    & skf21("6","5","7","5","1","2","2","1") = "6"
    & skf21("6","5","7","5","1","2","3","1") = "6"
    & skf21("6","5","7","5","1","2","4","1") = "6"
    & skf21("6","5","7","5","1","2","5","1") = "6"
    & skf21("6","5","7","5","1","2","6","1") = "6"
    & skf21("6","5","7","5","1","2","7","1") = "6"
    & skf21("6","5","7","5","1","3","1","1") = "6"
    & skf21("6","5","7","5","1","3","2","1") = "6"
    & skf21("6","5","7","5","1","3","3","1") = "6"
    & skf21("6","5","7","5","1","3","4","1") = "6"
    & skf21("6","5","7","5","1","3","5","1") = "6"
    & skf21("6","5","7","5","1","3","6","1") = "6"
    & skf21("6","5","7","5","1","3","7","1") = "6"
    & skf21("6","5","7","5","1","4","1","1") = "6"
    & skf21("6","5","7","5","1","4","2","1") = "6"
    & skf21("6","5","7","5","1","4","3","1") = "6"
    & skf21("6","5","7","5","1","4","4","1") = "6"
    & skf21("6","5","7","5","1","4","5","1") = "6"
    & skf21("6","5","7","5","1","4","6","1") = "6"
    & skf21("6","5","7","5","1","4","7","1") = "6"
    & skf21("6","5","7","5","1","5","1","1") = "6"
    & skf21("6","5","7","5","1","5","2","1") = "6"
    & skf21("6","5","7","5","1","5","3","1") = "6"
    & skf21("6","5","7","5","1","5","4","1") = "6"
    & skf21("6","5","7","5","1","5","5","1") = "6"
    & skf21("6","5","7","5","1","5","6","1") = "6"
    & skf21("6","5","7","5","1","5","7","1") = "6"
    & skf21("6","5","7","5","1","6","1","1") = "6"
    & skf21("6","5","7","5","1","6","2","1") = "6"
    & skf21("6","5","7","5","1","6","3","1") = "6"
    & skf21("6","5","7","5","1","6","4","1") = "6"
    & skf21("6","5","7","5","1","6","5","1") = "6"
    & skf21("6","5","7","5","1","6","6","1") = "6"
    & skf21("6","5","7","5","1","6","7","1") = "6"
    & skf21("6","5","7","5","1","7","1","1") = "6"
    & skf21("6","5","7","5","1","7","2","1") = "6"
    & skf21("6","5","7","5","1","7","3","1") = "6"
    & skf21("6","5","7","5","1","7","4","1") = "6"
    & skf21("6","5","7","5","1","7","5","1") = "6"
    & skf21("6","5","7","5","1","7","6","1") = "6"
    & skf21("6","5","7","5","1","7","7","1") = "6"
    & skf21("6","5","7","5","2","1","1","1") = "6"
    & skf21("6","5","7","5","2","1","2","1") = "6"
    & skf21("6","5","7","5","2","1","3","1") = "6"
    & skf21("6","5","7","5","2","1","4","1") = "6"
    & skf21("6","5","7","5","2","1","5","1") = "6"
    & skf21("6","5","7","5","2","1","6","1") = "6"
    & skf21("6","5","7","5","2","1","7","1") = "6"
    & skf21("6","5","7","5","2","2","1","1") = "6"
    & skf21("6","5","7","5","2","2","2","1") = "6"
    & skf21("6","5","7","5","2","2","3","1") = "6"
    & skf21("6","5","7","5","2","2","4","1") = "6"
    & skf21("6","5","7","5","2","2","5","1") = "6"
    & skf21("6","5","7","5","2","2","6","1") = "6"
    & skf21("6","5","7","5","2","2","7","1") = "6"
    & skf21("6","5","7","5","2","3","1","1") = "6"
    & skf21("6","5","7","5","2","3","2","1") = "6"
    & skf21("6","5","7","5","2","3","3","1") = "6"
    & skf21("6","5","7","5","2","3","4","1") = "6"
    & skf21("6","5","7","5","2","3","5","1") = "6"
    & skf21("6","5","7","5","2","3","6","1") = "6"
    & skf21("6","5","7","5","2","3","7","1") = "6"
    & skf21("6","5","7","5","2","4","1","1") = "6"
    & skf21("6","5","7","5","2","4","2","1") = "6"
    & skf21("6","5","7","5","2","4","3","1") = "6"
    & skf21("6","5","7","5","2","4","4","1") = "6"
    & skf21("6","5","7","5","2","4","5","1") = "6"
    & skf21("6","5","7","5","2","4","6","1") = "6"
    & skf21("6","5","7","5","2","4","7","1") = "6"
    & skf21("6","5","7","5","2","5","1","1") = "6"
    & skf21("6","5","7","5","2","5","2","1") = "6"
    & skf21("6","5","7","5","2","5","3","1") = "6"
    & skf21("6","5","7","5","2","5","4","1") = "6"
    & skf21("6","5","7","5","2","5","5","1") = "6"
    & skf21("6","5","7","5","2","5","6","1") = "6"
    & skf21("6","5","7","5","2","5","7","1") = "6"
    & skf21("6","5","7","5","2","6","1","1") = "6"
    & skf21("6","5","7","5","2","6","2","1") = "6"
    & skf21("6","5","7","5","2","6","3","1") = "6"
    & skf21("6","5","7","5","2","6","4","1") = "6"
    & skf21("6","5","7","5","2","6","5","1") = "6"
    & skf21("6","5","7","5","2","6","6","1") = "6"
    & skf21("6","5","7","5","2","6","7","1") = "6"
    & skf21("6","5","7","5","2","7","1","1") = "6"
    & skf21("6","5","7","5","2","7","2","1") = "6"
    & skf21("6","5","7","5","2","7","3","1") = "6"
    & skf21("6","5","7","5","2","7","4","1") = "6"
    & skf21("6","5","7","5","2","7","5","1") = "6"
    & skf21("6","5","7","5","2","7","6","1") = "6"
    & skf21("6","5","7","5","2","7","7","1") = "6"
    & skf21("6","5","7","5","3","1","1","1") = "6"
    & skf21("6","5","7","5","3","1","2","1") = "6"
    & skf21("6","5","7","5","3","1","3","1") = "6"
    & skf21("6","5","7","5","3","1","4","1") = "6"
    & skf21("6","5","7","5","3","1","5","1") = "6"
    & skf21("6","5","7","5","3","1","6","1") = "6"
    & skf21("6","5","7","5","3","1","7","1") = "6"
    & skf21("6","5","7","5","3","2","1","1") = "6"
    & skf21("6","5","7","5","3","2","2","1") = "6"
    & skf21("6","5","7","5","3","2","3","1") = "6"
    & skf21("6","5","7","5","3","2","4","1") = "6"
    & skf21("6","5","7","5","3","2","5","1") = "6"
    & skf21("6","5","7","5","3","2","6","1") = "6"
    & skf21("6","5","7","5","3","2","7","1") = "6"
    & skf21("6","5","7","5","3","3","1","1") = "6"
    & skf21("6","5","7","5","3","3","2","1") = "6"
    & skf21("6","5","7","5","3","3","3","1") = "6"
    & skf21("6","5","7","5","3","3","4","1") = "6"
    & skf21("6","5","7","5","3","3","5","1") = "6"
    & skf21("6","5","7","5","3","3","6","1") = "6"
    & skf21("6","5","7","5","3","3","7","1") = "6"
    & skf21("6","5","7","5","3","4","1","1") = "6"
    & skf21("6","5","7","5","3","4","2","1") = "6"
    & skf21("6","5","7","5","3","4","3","1") = "6"
    & skf21("6","5","7","5","3","4","4","1") = "6"
    & skf21("6","5","7","5","3","4","5","1") = "6"
    & skf21("6","5","7","5","3","4","6","1") = "6"
    & skf21("6","5","7","5","3","4","7","1") = "6"
    & skf21("6","5","7","5","3","5","1","1") = "6"
    & skf21("6","5","7","5","3","5","2","1") = "6"
    & skf21("6","5","7","5","3","5","3","1") = "6"
    & skf21("6","5","7","5","3","5","4","1") = "6"
    & skf21("6","5","7","5","3","5","5","1") = "6"
    & skf21("6","5","7","5","3","5","6","1") = "6"
    & skf21("6","5","7","5","3","5","7","1") = "6"
    & skf21("6","5","7","5","3","6","1","1") = "6"
    & skf21("6","5","7","5","3","6","2","1") = "6"
    & skf21("6","5","7","5","3","6","3","1") = "6"
    & skf21("6","5","7","5","3","6","4","1") = "6"
    & skf21("6","5","7","5","3","6","5","1") = "6"
    & skf21("6","5","7","5","3","6","6","1") = "6"
    & skf21("6","5","7","5","3","6","7","1") = "6"
    & skf21("6","5","7","5","3","7","1","1") = "6"
    & skf21("6","5","7","5","3","7","2","1") = "6"
    & skf21("6","5","7","5","3","7","3","1") = "6"
    & skf21("6","5","7","5","3","7","4","1") = "6"
    & skf21("6","5","7","5","3","7","5","1") = "6"
    & skf21("6","5","7","5","3","7","6","1") = "6"
    & skf21("6","5","7","5","3","7","7","1") = "6"
    & skf21("6","5","7","5","4","1","1","1") = "6"
    & skf21("6","5","7","5","4","1","2","1") = "6"
    & skf21("6","5","7","5","4","1","3","1") = "6"
    & skf21("6","5","7","5","4","1","4","1") = "6"
    & skf21("6","5","7","5","4","1","5","1") = "6"
    & skf21("6","5","7","5","4","1","6","1") = "6"
    & skf21("6","5","7","5","4","1","7","1") = "6"
    & skf21("6","5","7","5","4","2","1","1") = "6"
    & skf21("6","5","7","5","4","2","2","1") = "6"
    & skf21("6","5","7","5","4","2","3","1") = "6"
    & skf21("6","5","7","5","4","2","4","1") = "6"
    & skf21("6","5","7","5","4","2","5","1") = "6"
    & skf21("6","5","7","5","4","2","6","1") = "6"
    & skf21("6","5","7","5","4","2","7","1") = "6"
    & skf21("6","5","7","5","4","3","1","1") = "6"
    & skf21("6","5","7","5","4","3","2","1") = "6"
    & skf21("6","5","7","5","4","3","3","1") = "6"
    & skf21("6","5","7","5","4","3","4","1") = "6"
    & skf21("6","5","7","5","4","3","5","1") = "6"
    & skf21("6","5","7","5","4","3","6","1") = "6"
    & skf21("6","5","7","5","4","3","7","1") = "6"
    & skf21("6","5","7","5","4","4","1","1") = "6"
    & skf21("6","5","7","5","4","4","2","1") = "6"
    & skf21("6","5","7","5","4","4","3","1") = "6"
    & skf21("6","5","7","5","4","4","4","1") = "6"
    & skf21("6","5","7","5","4","4","5","1") = "6"
    & skf21("6","5","7","5","4","4","6","1") = "6"
    & skf21("6","5","7","5","4","4","7","1") = "6"
    & skf21("6","5","7","5","4","5","1","1") = "6"
    & skf21("6","5","7","5","4","5","2","1") = "6"
    & skf21("6","5","7","5","4","5","3","1") = "6"
    & skf21("6","5","7","5","4","5","4","1") = "6"
    & skf21("6","5","7","5","4","5","5","1") = "6"
    & skf21("6","5","7","5","4","5","6","1") = "6"
    & skf21("6","5","7","5","4","5","7","1") = "6"
    & skf21("6","5","7","5","4","6","1","1") = "6"
    & skf21("6","5","7","5","4","6","2","1") = "6"
    & skf21("6","5","7","5","4","6","3","1") = "6"
    & skf21("6","5","7","5","4","6","4","1") = "6"
    & skf21("6","5","7","5","4","6","5","1") = "6"
    & skf21("6","5","7","5","4","6","6","1") = "6"
    & skf21("6","5","7","5","4","6","7","1") = "6"
    & skf21("6","5","7","5","4","7","1","1") = "6"
    & skf21("6","5","7","5","4","7","2","1") = "6"
    & skf21("6","5","7","5","4","7","3","1") = "6"
    & skf21("6","5","7","5","4","7","4","1") = "6"
    & skf21("6","5","7","5","4","7","5","1") = "6"
    & skf21("6","5","7","5","4","7","6","1") = "6"
    & skf21("6","5","7","5","4","7","7","1") = "6"
    & skf21("6","5","7","5","5","1","1","1") = "6"
    & skf21("6","5","7","5","5","1","2","1") = "6"
    & skf21("6","5","7","5","5","1","3","1") = "6"
    & skf21("6","5","7","5","5","1","4","1") = "6"
    & skf21("6","5","7","5","5","1","5","1") = "6"
    & skf21("6","5","7","5","5","1","6","1") = "6"
    & skf21("6","5","7","5","5","1","7","1") = "6"
    & skf21("6","5","7","5","5","2","1","1") = "6"
    & skf21("6","5","7","5","5","2","2","1") = "6"
    & skf21("6","5","7","5","5","2","3","1") = "6"
    & skf21("6","5","7","5","5","2","4","1") = "6"
    & skf21("6","5","7","5","5","2","5","1") = "6"
    & skf21("6","5","7","5","5","2","6","1") = "6"
    & skf21("6","5","7","5","5","2","7","1") = "6"
    & skf21("6","5","7","5","5","3","1","1") = "6"
    & skf21("6","5","7","5","5","3","2","1") = "6"
    & skf21("6","5","7","5","5","3","3","1") = "6"
    & skf21("6","5","7","5","5","3","4","1") = "6"
    & skf21("6","5","7","5","5","3","5","1") = "6"
    & skf21("6","5","7","5","5","3","6","1") = "6"
    & skf21("6","5","7","5","5","3","7","1") = "6"
    & skf21("6","5","7","5","5","4","1","1") = "6"
    & skf21("6","5","7","5","5","4","2","1") = "6"
    & skf21("6","5","7","5","5","4","3","1") = "6"
    & skf21("6","5","7","5","5","4","4","1") = "6"
    & skf21("6","5","7","5","5","4","5","1") = "6"
    & skf21("6","5","7","5","5","4","6","1") = "6"
    & skf21("6","5","7","5","5","4","7","1") = "6"
    & skf21("6","5","7","5","5","5","1","1") = "6"
    & skf21("6","5","7","5","5","5","2","1") = "6"
    & skf21("6","5","7","5","5","5","3","1") = "6"
    & skf21("6","5","7","5","5","5","4","1") = "6"
    & skf21("6","5","7","5","5","5","5","1") = "6"
    & skf21("6","5","7","5","5","5","6","1") = "6"
    & skf21("6","5","7","5","5","5","7","1") = "6"
    & skf21("6","5","7","5","5","6","1","1") = "6"
    & skf21("6","5","7","5","5","6","2","1") = "6"
    & skf21("6","5","7","5","5","6","3","1") = "6"
    & skf21("6","5","7","5","5","6","4","1") = "6"
    & skf21("6","5","7","5","5","6","5","1") = "6"
    & skf21("6","5","7","5","5","6","6","1") = "6"
    & skf21("6","5","7","5","5","6","7","1") = "6"
    & skf21("6","5","7","5","5","7","1","1") = "6"
    & skf21("6","5","7","5","5","7","2","1") = "6"
    & skf21("6","5","7","5","5","7","3","1") = "6"
    & skf21("6","5","7","5","5","7","4","1") = "6"
    & skf21("6","5","7","5","5","7","5","1") = "6"
    & skf21("6","5","7","5","5","7","6","1") = "6"
    & skf21("6","5","7","5","5","7","7","1") = "6"
    & skf21("6","5","7","5","6","1","1","1") = "6"
    & skf21("6","5","7","5","6","1","2","1") = "6"
    & skf21("6","5","7","5","6","1","3","1") = "6"
    & skf21("6","5","7","5","6","1","4","1") = "6"
    & skf21("6","5","7","5","6","1","5","1") = "6"
    & skf21("6","5","7","5","6","1","6","1") = "6"
    & skf21("6","5","7","5","6","1","7","1") = "6"
    & skf21("6","5","7","5","6","2","1","1") = "6"
    & skf21("6","5","7","5","6","2","2","1") = "6"
    & skf21("6","5","7","5","6","2","3","1") = "6"
    & skf21("6","5","7","5","6","2","4","1") = "6"
    & skf21("6","5","7","5","6","2","5","1") = "6"
    & skf21("6","5","7","5","6","2","6","1") = "6"
    & skf21("6","5","7","5","6","2","7","1") = "6"
    & skf21("6","5","7","5","6","3","1","1") = "6"
    & skf21("6","5","7","5","6","3","2","1") = "6"
    & skf21("6","5","7","5","6","3","3","1") = "6"
    & skf21("6","5","7","5","6","3","4","1") = "6"
    & skf21("6","5","7","5","6","3","5","1") = "6"
    & skf21("6","5","7","5","6","3","6","1") = "6"
    & skf21("6","5","7","5","6","3","7","1") = "6"
    & skf21("6","5","7","5","6","4","1","1") = "6"
    & skf21("6","5","7","5","6","4","2","1") = "6"
    & skf21("6","5","7","5","6","4","3","1") = "6"
    & skf21("6","5","7","5","6","4","4","1") = "6"
    & skf21("6","5","7","5","6","4","5","1") = "6"
    & skf21("6","5","7","5","6","4","6","1") = "6"
    & skf21("6","5","7","5","6","4","7","1") = "6"
    & skf21("6","5","7","5","6","5","1","1") = "6"
    & skf21("6","5","7","5","6","5","2","1") = "6"
    & skf21("6","5","7","5","6","5","3","1") = "6"
    & skf21("6","5","7","5","6","5","4","1") = "6"
    & skf21("6","5","7","5","6","5","5","1") = "6"
    & skf21("6","5","7","5","6","5","6","1") = "6"
    & skf21("6","5","7","5","6","5","7","1") = "6"
    & skf21("6","5","7","5","6","6","1","1") = "6"
    & skf21("6","5","7","5","6","6","2","1") = "6"
    & skf21("6","5","7","5","6","6","3","1") = "6"
    & skf21("6","5","7","5","6","6","4","1") = "6"
    & skf21("6","5","7","5","6","6","5","1") = "6"
    & skf21("6","5","7","5","6","6","6","1") = "6"
    & skf21("6","5","7","5","6","6","7","1") = "6"
    & skf21("6","5","7","5","6","7","1","1") = "6"
    & skf21("6","5","7","5","6","7","2","1") = "6"
    & skf21("6","5","7","5","6","7","3","1") = "6"
    & skf21("6","5","7","5","6","7","4","1") = "6"
    & skf21("6","5","7","5","6","7","5","1") = "6"
    & skf21("6","5","7","5","6","7","6","1") = "6"
    & skf21("6","5","7","5","6","7","7","1") = "6"
    & skf21("6","5","7","5","7","1","1","1") = "6"
    & skf21("6","5","7","5","7","1","2","1") = "6"
    & skf21("6","5","7","5","7","1","3","1") = "6"
    & skf21("6","5","7","5","7","1","4","1") = "6"
    & skf21("6","5","7","5","7","1","5","1") = "6"
    & skf21("6","5","7","5","7","1","6","1") = "6"
    & skf21("6","5","7","5","7","1","7","1") = "6"
    & skf21("6","5","7","5","7","2","1","1") = "6"
    & skf21("6","5","7","5","7","2","2","1") = "6"
    & skf21("6","5","7","5","7","2","3","1") = "6"
    & skf21("6","5","7","5","7","2","4","1") = "6"
    & skf21("6","5","7","5","7","2","5","1") = "6"
    & skf21("6","5","7","5","7","2","6","1") = "6"
    & skf21("6","5","7","5","7","2","7","1") = "6"
    & skf21("6","5","7","5","7","3","1","1") = "6"
    & skf21("6","5","7","5","7","3","2","1") = "6"
    & skf21("6","5","7","5","7","3","3","1") = "6"
    & skf21("6","5","7","5","7","3","4","1") = "6"
    & skf21("6","5","7","5","7","3","5","1") = "6"
    & skf21("6","5","7","5","7","3","6","1") = "6"
    & skf21("6","5","7","5","7","3","7","1") = "6"
    & skf21("6","5","7","5","7","4","1","1") = "6"
    & skf21("6","5","7","5","7","4","2","1") = "6"
    & skf21("6","5","7","5","7","4","3","1") = "6"
    & skf21("6","5","7","5","7","4","4","1") = "6"
    & skf21("6","5","7","5","7","4","5","1") = "6"
    & skf21("6","5","7","5","7","4","6","1") = "6"
    & skf21("6","5","7","5","7","4","7","1") = "6"
    & skf21("6","5","7","5","7","5","1","1") = "6"
    & skf21("6","5","7","5","7","5","2","1") = "6"
    & skf21("6","5","7","5","7","5","3","1") = "6"
    & skf21("6","5","7","5","7","5","4","1") = "6"
    & skf21("6","5","7","5","7","5","5","1") = "6"
    & skf21("6","5","7","5","7","5","6","1") = "6"
    & skf21("6","5","7","5","7","5","7","1") = "6"
    & skf21("6","5","7","5","7","6","1","1") = "6"
    & skf21("6","5","7","5","7","6","2","1") = "6"
    & skf21("6","5","7","5","7","6","3","1") = "6"
    & skf21("6","5","7","5","7","6","4","1") = "6"
    & skf21("6","5","7","5","7","6","5","1") = "6"
    & skf21("6","5","7","5","7","6","6","1") = "6"
    & skf21("6","5","7","5","7","6","7","1") = "6"
    & skf21("6","5","7","5","7","7","1","1") = "6"
    & skf21("6","5","7","5","7","7","2","1") = "6"
    & skf21("6","5","7","5","7","7","3","1") = "6"
    & skf21("6","5","7","5","7","7","4","1") = "6"
    & skf21("6","5","7","5","7","7","5","1") = "6"
    & skf21("6","5","7","5","7","7","6","1") = "6"
    & skf21("6","5","7","5","7","7","7","1") = "6"
    & skf21("6","5","7","6","1","1","1","1") = "6"
    & skf21("6","5","7","6","1","1","2","1") = "6"
    & skf21("6","5","7","6","1","1","3","1") = "6"
    & skf21("6","5","7","6","1","1","4","1") = "6"
    & skf21("6","5","7","6","1","1","5","1") = "6"
    & skf21("6","5","7","6","1","1","6","1") = "6"
    & skf21("6","5","7","6","1","1","7","1") = "6"
    & skf21("6","5","7","6","1","2","1","1") = "6"
    & skf21("6","5","7","6","1","2","2","1") = "6"
    & skf21("6","5","7","6","1","2","3","1") = "6"
    & skf21("6","5","7","6","1","2","4","1") = "6"
    & skf21("6","5","7","6","1","2","5","1") = "6"
    & skf21("6","5","7","6","1","2","6","1") = "6"
    & skf21("6","5","7","6","1","2","7","1") = "6"
    & skf21("6","5","7","6","1","3","1","1") = "6"
    & skf21("6","5","7","6","1","3","2","1") = "6"
    & skf21("6","5","7","6","1","3","3","1") = "6"
    & skf21("6","5","7","6","1","3","4","1") = "6"
    & skf21("6","5","7","6","1","3","5","1") = "6"
    & skf21("6","5","7","6","1","3","6","1") = "6"
    & skf21("6","5","7","6","1","3","7","1") = "6"
    & skf21("6","5","7","6","1","4","1","1") = "6"
    & skf21("6","5","7","6","1","4","2","1") = "6"
    & skf21("6","5","7","6","1","4","3","1") = "6"
    & skf21("6","5","7","6","1","4","4","1") = "6"
    & skf21("6","5","7","6","1","4","5","1") = "6"
    & skf21("6","5","7","6","1","4","6","1") = "6"
    & skf21("6","5","7","6","1","4","7","1") = "6"
    & skf21("6","5","7","6","1","5","1","1") = "6"
    & skf21("6","5","7","6","1","5","2","1") = "6"
    & skf21("6","5","7","6","1","5","3","1") = "6"
    & skf21("6","5","7","6","1","5","4","1") = "6"
    & skf21("6","5","7","6","1","5","5","1") = "6"
    & skf21("6","5","7","6","1","5","6","1") = "6"
    & skf21("6","5","7","6","1","5","7","1") = "6"
    & skf21("6","5","7","6","1","6","1","1") = "6"
    & skf21("6","5","7","6","1","6","2","1") = "6"
    & skf21("6","5","7","6","1","6","3","1") = "6"
    & skf21("6","5","7","6","1","6","4","1") = "6"
    & skf21("6","5","7","6","1","6","5","1") = "6"
    & skf21("6","5","7","6","1","6","6","1") = "6"
    & skf21("6","5","7","6","1","6","7","1") = "6"
    & skf21("6","5","7","6","1","7","1","1") = "6"
    & skf21("6","5","7","6","1","7","2","1") = "6"
    & skf21("6","5","7","6","1","7","3","1") = "6"
    & skf21("6","5","7","6","1","7","4","1") = "6"
    & skf21("6","5","7","6","1","7","5","1") = "6"
    & skf21("6","5","7","6","1","7","6","1") = "6"
    & skf21("6","5","7","6","1","7","7","1") = "6"
    & skf21("6","5","7","6","2","1","1","1") = "6"
    & skf21("6","5","7","6","2","1","2","1") = "6"
    & skf21("6","5","7","6","2","1","3","1") = "6"
    & skf21("6","5","7","6","2","1","4","1") = "6"
    & skf21("6","5","7","6","2","1","5","1") = "6"
    & skf21("6","5","7","6","2","1","6","1") = "6"
    & skf21("6","5","7","6","2","1","7","1") = "6"
    & skf21("6","5","7","6","2","2","1","1") = "6"
    & skf21("6","5","7","6","2","2","2","1") = "6"
    & skf21("6","5","7","6","2","2","3","1") = "6"
    & skf21("6","5","7","6","2","2","4","1") = "6"
    & skf21("6","5","7","6","2","2","5","1") = "6"
    & skf21("6","5","7","6","2","2","6","1") = "6"
    & skf21("6","5","7","6","2","2","7","1") = "6"
    & skf21("6","5","7","6","2","3","1","1") = "6"
    & skf21("6","5","7","6","2","3","2","1") = "6"
    & skf21("6","5","7","6","2","3","3","1") = "6"
    & skf21("6","5","7","6","2","3","4","1") = "6"
    & skf21("6","5","7","6","2","3","5","1") = "6"
    & skf21("6","5","7","6","2","3","6","1") = "6"
    & skf21("6","5","7","6","2","3","7","1") = "6"
    & skf21("6","5","7","6","2","4","1","1") = "6"
    & skf21("6","5","7","6","2","4","2","1") = "6"
    & skf21("6","5","7","6","2","4","3","1") = "6"
    & skf21("6","5","7","6","2","4","4","1") = "6"
    & skf21("6","5","7","6","2","4","5","1") = "6"
    & skf21("6","5","7","6","2","4","6","1") = "6"
    & skf21("6","5","7","6","2","4","7","1") = "6"
    & skf21("6","5","7","6","2","5","1","1") = "6"
    & skf21("6","5","7","6","2","5","2","1") = "6"
    & skf21("6","5","7","6","2","5","3","1") = "6"
    & skf21("6","5","7","6","2","5","4","1") = "6"
    & skf21("6","5","7","6","2","5","5","1") = "6"
    & skf21("6","5","7","6","2","5","6","1") = "6"
    & skf21("6","5","7","6","2","5","7","1") = "6"
    & skf21("6","5","7","6","2","6","1","1") = "6"
    & skf21("6","5","7","6","2","6","2","1") = "6"
    & skf21("6","5","7","6","2","6","3","1") = "6"
    & skf21("6","5","7","6","2","6","4","1") = "6"
    & skf21("6","5","7","6","2","6","5","1") = "6"
    & skf21("6","5","7","6","2","6","6","1") = "6"
    & skf21("6","5","7","6","2","6","7","1") = "6"
    & skf21("6","5","7","6","2","7","1","1") = "6"
    & skf21("6","5","7","6","2","7","2","1") = "6"
    & skf21("6","5","7","6","2","7","3","1") = "6"
    & skf21("6","5","7","6","2","7","4","1") = "6"
    & skf21("6","5","7","6","2","7","5","1") = "6"
    & skf21("6","5","7","6","2","7","6","1") = "6"
    & skf21("6","5","7","6","2","7","7","1") = "6"
    & skf21("6","5","7","6","3","1","1","1") = "6"
    & skf21("6","5","7","6","3","1","2","1") = "6"
    & skf21("6","5","7","6","3","1","3","1") = "6"
    & skf21("6","5","7","6","3","1","4","1") = "6"
    & skf21("6","5","7","6","3","1","5","1") = "6"
    & skf21("6","5","7","6","3","1","6","1") = "6"
    & skf21("6","5","7","6","3","1","7","1") = "6"
    & skf21("6","5","7","6","3","2","1","1") = "6"
    & skf21("6","5","7","6","3","2","2","1") = "6"
    & skf21("6","5","7","6","3","2","3","1") = "6"
    & skf21("6","5","7","6","3","2","4","1") = "6"
    & skf21("6","5","7","6","3","2","5","1") = "6"
    & skf21("6","5","7","6","3","2","6","1") = "6"
    & skf21("6","5","7","6","3","2","7","1") = "6"
    & skf21("6","5","7","6","3","3","1","1") = "6"
    & skf21("6","5","7","6","3","3","2","1") = "6"
    & skf21("6","5","7","6","3","3","3","1") = "6"
    & skf21("6","5","7","6","3","3","4","1") = "6"
    & skf21("6","5","7","6","3","3","5","1") = "6"
    & skf21("6","5","7","6","3","3","6","1") = "6"
    & skf21("6","5","7","6","3","3","7","1") = "6"
    & skf21("6","5","7","6","3","4","1","1") = "6"
    & skf21("6","5","7","6","3","4","2","1") = "6"
    & skf21("6","5","7","6","3","4","3","1") = "6"
    & skf21("6","5","7","6","3","4","4","1") = "6"
    & skf21("6","5","7","6","3","4","5","1") = "6"
    & skf21("6","5","7","6","3","4","6","1") = "6"
    & skf21("6","5","7","6","3","4","7","1") = "6"
    & skf21("6","5","7","6","3","5","1","1") = "6"
    & skf21("6","5","7","6","3","5","2","1") = "6"
    & skf21("6","5","7","6","3","5","3","1") = "6"
    & skf21("6","5","7","6","3","5","4","1") = "6"
    & skf21("6","5","7","6","3","5","5","1") = "6"
    & skf21("6","5","7","6","3","5","6","1") = "6"
    & skf21("6","5","7","6","3","5","7","1") = "6"
    & skf21("6","5","7","6","3","6","1","1") = "6"
    & skf21("6","5","7","6","3","6","2","1") = "6"
    & skf21("6","5","7","6","3","6","3","1") = "6"
    & skf21("6","5","7","6","3","6","4","1") = "6"
    & skf21("6","5","7","6","3","6","5","1") = "6"
    & skf21("6","5","7","6","3","6","6","1") = "6"
    & skf21("6","5","7","6","3","6","7","1") = "6"
    & skf21("6","5","7","6","3","7","1","1") = "6"
    & skf21("6","5","7","6","3","7","2","1") = "6"
    & skf21("6","5","7","6","3","7","3","1") = "6"
    & skf21("6","5","7","6","3","7","4","1") = "6"
    & skf21("6","5","7","6","3","7","5","1") = "6"
    & skf21("6","5","7","6","3","7","6","1") = "6"
    & skf21("6","5","7","6","3","7","7","1") = "6"
    & skf21("6","5","7","6","4","1","1","1") = "6"
    & skf21("6","5","7","6","4","1","2","1") = "6"
    & skf21("6","5","7","6","4","1","3","1") = "6"
    & skf21("6","5","7","6","4","1","4","1") = "6"
    & skf21("6","5","7","6","4","1","5","1") = "6"
    & skf21("6","5","7","6","4","1","6","1") = "6"
    & skf21("6","5","7","6","4","1","7","1") = "6"
    & skf21("6","5","7","6","4","2","1","1") = "6"
    & skf21("6","5","7","6","4","2","2","1") = "6"
    & skf21("6","5","7","6","4","2","3","1") = "6"
    & skf21("6","5","7","6","4","2","4","1") = "6"
    & skf21("6","5","7","6","4","2","5","1") = "6"
    & skf21("6","5","7","6","4","2","6","1") = "6"
    & skf21("6","5","7","6","4","2","7","1") = "6"
    & skf21("6","5","7","6","4","3","1","1") = "6"
    & skf21("6","5","7","6","4","3","2","1") = "6"
    & skf21("6","5","7","6","4","3","3","1") = "6"
    & skf21("6","5","7","6","4","3","4","1") = "6"
    & skf21("6","5","7","6","4","3","5","1") = "6"
    & skf21("6","5","7","6","4","3","6","1") = "6"
    & skf21("6","5","7","6","4","3","7","1") = "6"
    & skf21("6","5","7","6","4","4","1","1") = "6"
    & skf21("6","5","7","6","4","4","2","1") = "6"
    & skf21("6","5","7","6","4","4","3","1") = "6"
    & skf21("6","5","7","6","4","4","4","1") = "6"
    & skf21("6","5","7","6","4","4","5","1") = "6"
    & skf21("6","5","7","6","4","4","6","1") = "6"
    & skf21("6","5","7","6","4","4","7","1") = "6"
    & skf21("6","5","7","6","4","5","1","1") = "6"
    & skf21("6","5","7","6","4","5","2","1") = "6"
    & skf21("6","5","7","6","4","5","3","1") = "6"
    & skf21("6","5","7","6","4","5","4","1") = "6"
    & skf21("6","5","7","6","4","5","5","1") = "6"
    & skf21("6","5","7","6","4","5","6","1") = "6"
    & skf21("6","5","7","6","4","5","7","1") = "6"
    & skf21("6","5","7","6","4","6","1","1") = "6"
    & skf21("6","5","7","6","4","6","2","1") = "6"
    & skf21("6","5","7","6","4","6","3","1") = "6"
    & skf21("6","5","7","6","4","6","4","1") = "6"
    & skf21("6","5","7","6","4","6","5","1") = "6"
    & skf21("6","5","7","6","4","6","6","1") = "6"
    & skf21("6","5","7","6","4","6","7","1") = "6"
    & skf21("6","5","7","6","4","7","1","1") = "6"
    & skf21("6","5","7","6","4","7","2","1") = "6"
    & skf21("6","5","7","6","4","7","3","1") = "6"
    & skf21("6","5","7","6","4","7","4","1") = "6"
    & skf21("6","5","7","6","4","7","5","1") = "6"
    & skf21("6","5","7","6","4","7","6","1") = "6"
    & skf21("6","5","7","6","4","7","7","1") = "6"
    & skf21("6","5","7","6","5","1","1","1") = "6"
    & skf21("6","5","7","6","5","1","2","1") = "6"
    & skf21("6","5","7","6","5","1","3","1") = "6"
    & skf21("6","5","7","6","5","1","4","1") = "6"
    & skf21("6","5","7","6","5","1","5","1") = "6"
    & skf21("6","5","7","6","5","1","6","1") = "6"
    & skf21("6","5","7","6","5","1","7","1") = "6"
    & skf21("6","5","7","6","5","2","1","1") = "6"
    & skf21("6","5","7","6","5","2","2","1") = "6"
    & skf21("6","5","7","6","5","2","3","1") = "6"
    & skf21("6","5","7","6","5","2","4","1") = "6"
    & skf21("6","5","7","6","5","2","5","1") = "6"
    & skf21("6","5","7","6","5","2","6","1") = "6"
    & skf21("6","5","7","6","5","2","7","1") = "6"
    & skf21("6","5","7","6","5","3","1","1") = "6"
    & skf21("6","5","7","6","5","3","2","1") = "6"
    & skf21("6","5","7","6","5","3","3","1") = "6"
    & skf21("6","5","7","6","5","3","4","1") = "6"
    & skf21("6","5","7","6","5","3","5","1") = "6"
    & skf21("6","5","7","6","5","3","6","1") = "6"
    & skf21("6","5","7","6","5","3","7","1") = "6"
    & skf21("6","5","7","6","5","4","1","1") = "6"
    & skf21("6","5","7","6","5","4","2","1") = "6"
    & skf21("6","5","7","6","5","4","3","1") = "6"
    & skf21("6","5","7","6","5","4","4","1") = "6"
    & skf21("6","5","7","6","5","4","5","1") = "6"
    & skf21("6","5","7","6","5","4","6","1") = "6"
    & skf21("6","5","7","6","5","4","7","1") = "6"
    & skf21("6","5","7","6","5","5","1","1") = "6"
    & skf21("6","5","7","6","5","5","2","1") = "6"
    & skf21("6","5","7","6","5","5","3","1") = "6"
    & skf21("6","5","7","6","5","5","4","1") = "6"
    & skf21("6","5","7","6","5","5","5","1") = "6"
    & skf21("6","5","7","6","5","5","6","1") = "6"
    & skf21("6","5","7","6","5","5","7","1") = "6"
    & skf21("6","5","7","6","5","6","1","1") = "6"
    & skf21("6","5","7","6","5","6","2","1") = "6"
    & skf21("6","5","7","6","5","6","3","1") = "6"
    & skf21("6","5","7","6","5","6","4","1") = "6"
    & skf21("6","5","7","6","5","6","5","1") = "6"
    & skf21("6","5","7","6","5","6","6","1") = "6"
    & skf21("6","5","7","6","5","6","7","1") = "6"
    & skf21("6","5","7","6","5","7","1","1") = "6"
    & skf21("6","5","7","6","5","7","2","1") = "6"
    & skf21("6","5","7","6","5","7","3","1") = "6"
    & skf21("6","5","7","6","5","7","4","1") = "6"
    & skf21("6","5","7","6","5","7","5","1") = "6"
    & skf21("6","5","7","6","5","7","6","1") = "6"
    & skf21("6","5","7","6","5","7","7","1") = "6"
    & skf21("6","5","7","6","6","1","1","1") = "6"
    & skf21("6","5","7","6","6","1","2","1") = "6"
    & skf21("6","5","7","6","6","1","3","1") = "6"
    & skf21("6","5","7","6","6","1","4","1") = "6"
    & skf21("6","5","7","6","6","1","5","1") = "6"
    & skf21("6","5","7","6","6","1","6","1") = "6"
    & skf21("6","5","7","6","6","1","7","1") = "6"
    & skf21("6","5","7","6","6","2","1","1") = "6"
    & skf21("6","5","7","6","6","2","2","1") = "6"
    & skf21("6","5","7","6","6","2","3","1") = "6"
    & skf21("6","5","7","6","6","2","4","1") = "6"
    & skf21("6","5","7","6","6","2","5","1") = "6"
    & skf21("6","5","7","6","6","2","6","1") = "6"
    & skf21("6","5","7","6","6","2","7","1") = "6"
    & skf21("6","5","7","6","6","3","1","1") = "6"
    & skf21("6","5","7","6","6","3","2","1") = "6"
    & skf21("6","5","7","6","6","3","3","1") = "6"
    & skf21("6","5","7","6","6","3","4","1") = "6"
    & skf21("6","5","7","6","6","3","5","1") = "6"
    & skf21("6","5","7","6","6","3","6","1") = "6"
    & skf21("6","5","7","6","6","3","7","1") = "6"
    & skf21("6","5","7","6","6","4","1","1") = "6"
    & skf21("6","5","7","6","6","4","2","1") = "6"
    & skf21("6","5","7","6","6","4","3","1") = "6"
    & skf21("6","5","7","6","6","4","4","1") = "6"
    & skf21("6","5","7","6","6","4","5","1") = "6"
    & skf21("6","5","7","6","6","4","6","1") = "6"
    & skf21("6","5","7","6","6","4","7","1") = "6"
    & skf21("6","5","7","6","6","5","1","1") = "6"
    & skf21("6","5","7","6","6","5","2","1") = "6"
    & skf21("6","5","7","6","6","5","3","1") = "6"
    & skf21("6","5","7","6","6","5","4","1") = "6"
    & skf21("6","5","7","6","6","5","5","1") = "6"
    & skf21("6","5","7","6","6","5","6","1") = "6"
    & skf21("6","5","7","6","6","5","7","1") = "6"
    & skf21("6","5","7","6","6","6","1","1") = "6"
    & skf21("6","5","7","6","6","6","2","1") = "6"
    & skf21("6","5","7","6","6","6","3","1") = "6"
    & skf21("6","5","7","6","6","6","4","1") = "6"
    & skf21("6","5","7","6","6","6","5","1") = "6"
    & skf21("6","5","7","6","6","6","6","1") = "6"
    & skf21("6","5","7","6","6","6","7","1") = "6"
    & skf21("6","5","7","6","6","7","1","1") = "6"
    & skf21("6","5","7","6","6","7","2","1") = "6"
    & skf21("6","5","7","6","6","7","3","1") = "6"
    & skf21("6","5","7","6","6","7","4","1") = "6"
    & skf21("6","5","7","6","6","7","5","1") = "6"
    & skf21("6","5","7","6","6","7","6","1") = "6"
    & skf21("6","5","7","6","6","7","7","1") = "6"
    & skf21("6","5","7","6","7","1","1","1") = "6"
    & skf21("6","5","7","6","7","1","2","1") = "6"
    & skf21("6","5","7","6","7","1","3","1") = "6"
    & skf21("6","5","7","6","7","1","4","1") = "6"
    & skf21("6","5","7","6","7","1","5","1") = "6"
    & skf21("6","5","7","6","7","1","6","1") = "6"
    & skf21("6","5","7","6","7","1","7","1") = "6"
    & skf21("6","5","7","6","7","2","1","1") = "6"
    & skf21("6","5","7","6","7","2","2","1") = "6"
    & skf21("6","5","7","6","7","2","3","1") = "6"
    & skf21("6","5","7","6","7","2","4","1") = "6"
    & skf21("6","5","7","6","7","2","5","1") = "6"
    & skf21("6","5","7","6","7","2","6","1") = "6"
    & skf21("6","5","7","6","7","2","7","1") = "6"
    & skf21("6","5","7","6","7","3","1","1") = "6"
    & skf21("6","5","7","6","7","3","2","1") = "6"
    & skf21("6","5","7","6","7","3","3","1") = "6"
    & skf21("6","5","7","6","7","3","4","1") = "6"
    & skf21("6","5","7","6","7","3","5","1") = "6"
    & skf21("6","5","7","6","7","3","6","1") = "6"
    & skf21("6","5","7","6","7","3","7","1") = "6"
    & skf21("6","5","7","6","7","4","1","1") = "6"
    & skf21("6","5","7","6","7","4","2","1") = "6"
    & skf21("6","5","7","6","7","4","3","1") = "6"
    & skf21("6","5","7","6","7","4","4","1") = "6"
    & skf21("6","5","7","6","7","4","5","1") = "6"
    & skf21("6","5","7","6","7","4","6","1") = "6"
    & skf21("6","5","7","6","7","4","7","1") = "6"
    & skf21("6","5","7","6","7","5","1","1") = "6"
    & skf21("6","5","7","6","7","5","2","1") = "6"
    & skf21("6","5","7","6","7","5","3","1") = "6"
    & skf21("6","5","7","6","7","5","4","1") = "6"
    & skf21("6","5","7","6","7","5","5","1") = "6"
    & skf21("6","5","7","6","7","5","6","1") = "6"
    & skf21("6","5","7","6","7","5","7","1") = "6"
    & skf21("6","5","7","6","7","6","1","1") = "6"
    & skf21("6","5","7","6","7","6","2","1") = "6"
    & skf21("6","5","7","6","7","6","3","1") = "6"
    & skf21("6","5","7","6","7","6","4","1") = "6"
    & skf21("6","5","7","6","7","6","5","1") = "6"
    & skf21("6","5","7","6","7","6","6","1") = "6"
    & skf21("6","5","7","6","7","6","7","1") = "6"
    & skf21("6","5","7","6","7","7","1","1") = "6"
    & skf21("6","5","7","6","7","7","2","1") = "6"
    & skf21("6","5","7","6","7","7","3","1") = "6"
    & skf21("6","5","7","6","7","7","4","1") = "6"
    & skf21("6","5","7","6","7","7","5","1") = "6"
    & skf21("6","5","7","6","7","7","6","1") = "6"
    & skf21("6","5","7","6","7","7","7","1") = "6"
    & skf21("6","5","7","7","1","1","1","1") = "6"
    & skf21("6","5","7","7","1","1","2","1") = "6"
    & skf21("6","5","7","7","1","1","3","1") = "6"
    & skf21("6","5","7","7","1","1","4","1") = "6"
    & skf21("6","5","7","7","1","1","5","1") = "6"
    & skf21("6","5","7","7","1","1","6","1") = "6"
    & skf21("6","5","7","7","1","1","7","1") = "6"
    & skf21("6","5","7","7","1","2","1","1") = "6"
    & skf21("6","5","7","7","1","2","2","1") = "6"
    & skf21("6","5","7","7","1","2","3","1") = "6"
    & skf21("6","5","7","7","1","2","4","1") = "6"
    & skf21("6","5","7","7","1","2","5","1") = "6"
    & skf21("6","5","7","7","1","2","6","1") = "6"
    & skf21("6","5","7","7","1","2","7","1") = "6"
    & skf21("6","5","7","7","1","3","1","1") = "6"
    & skf21("6","5","7","7","1","3","2","1") = "6"
    & skf21("6","5","7","7","1","3","3","1") = "6"
    & skf21("6","5","7","7","1","3","4","1") = "6"
    & skf21("6","5","7","7","1","3","5","1") = "6"
    & skf21("6","5","7","7","1","3","6","1") = "6"
    & skf21("6","5","7","7","1","3","7","1") = "6"
    & skf21("6","5","7","7","1","4","1","1") = "6"
    & skf21("6","5","7","7","1","4","2","1") = "6"
    & skf21("6","5","7","7","1","4","3","1") = "6"
    & skf21("6","5","7","7","1","4","4","1") = "6"
    & skf21("6","5","7","7","1","4","5","1") = "6"
    & skf21("6","5","7","7","1","4","6","1") = "6"
    & skf21("6","5","7","7","1","4","7","1") = "6"
    & skf21("6","5","7","7","1","5","1","1") = "6"
    & skf21("6","5","7","7","1","5","2","1") = "6"
    & skf21("6","5","7","7","1","5","3","1") = "6"
    & skf21("6","5","7","7","1","5","4","1") = "6"
    & skf21("6","5","7","7","1","5","5","1") = "6"
    & skf21("6","5","7","7","1","5","6","1") = "6"
    & skf21("6","5","7","7","1","5","7","1") = "6"
    & skf21("6","5","7","7","1","6","1","1") = "6"
    & skf21("6","5","7","7","1","6","2","1") = "6"
    & skf21("6","5","7","7","1","6","3","1") = "6"
    & skf21("6","5","7","7","1","6","4","1") = "6"
    & skf21("6","5","7","7","1","6","5","1") = "6"
    & skf21("6","5","7","7","1","6","6","1") = "6"
    & skf21("6","5","7","7","1","6","7","1") = "6"
    & skf21("6","5","7","7","1","7","1","1") = "6"
    & skf21("6","5","7","7","1","7","2","1") = "6"
    & skf21("6","5","7","7","1","7","3","1") = "6"
    & skf21("6","5","7","7","1","7","4","1") = "6"
    & skf21("6","5","7","7","1","7","5","1") = "6"
    & skf21("6","5","7","7","1","7","6","1") = "6"
    & skf21("6","5","7","7","1","7","7","1") = "6"
    & skf21("6","5","7","7","2","1","1","1") = "6"
    & skf21("6","5","7","7","2","1","2","1") = "6"
    & skf21("6","5","7","7","2","1","3","1") = "6"
    & skf21("6","5","7","7","2","1","4","1") = "6"
    & skf21("6","5","7","7","2","1","5","1") = "6"
    & skf21("6","5","7","7","2","1","6","1") = "6"
    & skf21("6","5","7","7","2","1","7","1") = "6"
    & skf21("6","5","7","7","2","2","1","1") = "6"
    & skf21("6","5","7","7","2","2","2","1") = "6"
    & skf21("6","5","7","7","2","2","3","1") = "6"
    & skf21("6","5","7","7","2","2","4","1") = "6"
    & skf21("6","5","7","7","2","2","5","1") = "6"
    & skf21("6","5","7","7","2","2","6","1") = "6"
    & skf21("6","5","7","7","2","2","7","1") = "6"
    & skf21("6","5","7","7","2","3","1","1") = "6"
    & skf21("6","5","7","7","2","3","2","1") = "6"
    & skf21("6","5","7","7","2","3","3","1") = "6"
    & skf21("6","5","7","7","2","3","4","1") = "6"
    & skf21("6","5","7","7","2","3","5","1") = "6"
    & skf21("6","5","7","7","2","3","6","1") = "6"
    & skf21("6","5","7","7","2","3","7","1") = "6"
    & skf21("6","5","7","7","2","4","1","1") = "6"
    & skf21("6","5","7","7","2","4","2","1") = "6"
    & skf21("6","5","7","7","2","4","3","1") = "6"
    & skf21("6","5","7","7","2","4","4","1") = "6"
    & skf21("6","5","7","7","2","4","5","1") = "6"
    & skf21("6","5","7","7","2","4","6","1") = "6"
    & skf21("6","5","7","7","2","4","7","1") = "6"
    & skf21("6","5","7","7","2","5","1","1") = "6"
    & skf21("6","5","7","7","2","5","2","1") = "6"
    & skf21("6","5","7","7","2","5","3","1") = "6"
    & skf21("6","5","7","7","2","5","4","1") = "6"
    & skf21("6","5","7","7","2","5","5","1") = "6"
    & skf21("6","5","7","7","2","5","6","1") = "6"
    & skf21("6","5","7","7","2","5","7","1") = "6"
    & skf21("6","5","7","7","2","6","1","1") = "6"
    & skf21("6","5","7","7","2","6","2","1") = "6"
    & skf21("6","5","7","7","2","6","3","1") = "6"
    & skf21("6","5","7","7","2","6","4","1") = "6"
    & skf21("6","5","7","7","2","6","5","1") = "6"
    & skf21("6","5","7","7","2","6","6","1") = "6"
    & skf21("6","5","7","7","2","6","7","1") = "6"
    & skf21("6","5","7","7","2","7","1","1") = "6"
    & skf21("6","5","7","7","2","7","2","1") = "6"
    & skf21("6","5","7","7","2","7","3","1") = "6"
    & skf21("6","5","7","7","2","7","4","1") = "6"
    & skf21("6","5","7","7","2","7","5","1") = "6"
    & skf21("6","5","7","7","2","7","6","1") = "6"
    & skf21("6","5","7","7","2","7","7","1") = "6"
    & skf21("6","5","7","7","3","1","1","1") = "6"
    & skf21("6","5","7","7","3","1","2","1") = "6"
    & skf21("6","5","7","7","3","1","3","1") = "6"
    & skf21("6","5","7","7","3","1","4","1") = "6"
    & skf21("6","5","7","7","3","1","5","1") = "6"
    & skf21("6","5","7","7","3","1","6","1") = "6"
    & skf21("6","5","7","7","3","1","7","1") = "6"
    & skf21("6","5","7","7","3","2","1","1") = "6"
    & skf21("6","5","7","7","3","2","2","1") = "6"
    & skf21("6","5","7","7","3","2","3","1") = "6"
    & skf21("6","5","7","7","3","2","4","1") = "6"
    & skf21("6","5","7","7","3","2","5","1") = "6"
    & skf21("6","5","7","7","3","2","6","1") = "6"
    & skf21("6","5","7","7","3","2","7","1") = "6"
    & skf21("6","5","7","7","3","3","1","1") = "6"
    & skf21("6","5","7","7","3","3","2","1") = "6"
    & skf21("6","5","7","7","3","3","3","1") = "6"
    & skf21("6","5","7","7","3","3","4","1") = "6"
    & skf21("6","5","7","7","3","3","5","1") = "6"
    & skf21("6","5","7","7","3","3","6","1") = "6"
    & skf21("6","5","7","7","3","3","7","1") = "6"
    & skf21("6","5","7","7","3","4","1","1") = "6"
    & skf21("6","5","7","7","3","4","2","1") = "6"
    & skf21("6","5","7","7","3","4","3","1") = "6"
    & skf21("6","5","7","7","3","4","4","1") = "6"
    & skf21("6","5","7","7","3","4","5","1") = "6"
    & skf21("6","5","7","7","3","4","6","1") = "6"
    & skf21("6","5","7","7","3","4","7","1") = "6"
    & skf21("6","5","7","7","3","5","1","1") = "6"
    & skf21("6","5","7","7","3","5","2","1") = "6"
    & skf21("6","5","7","7","3","5","3","1") = "6"
    & skf21("6","5","7","7","3","5","4","1") = "6"
    & skf21("6","5","7","7","3","5","5","1") = "6"
    & skf21("6","5","7","7","3","5","6","1") = "6"
    & skf21("6","5","7","7","3","5","7","1") = "6"
    & skf21("6","5","7","7","3","6","1","1") = "6"
    & skf21("6","5","7","7","3","6","2","1") = "6"
    & skf21("6","5","7","7","3","6","3","1") = "6"
    & skf21("6","5","7","7","3","6","4","1") = "6"
    & skf21("6","5","7","7","3","6","5","1") = "6"
    & skf21("6","5","7","7","3","6","6","1") = "6"
    & skf21("6","5","7","7","3","6","7","1") = "6"
    & skf21("6","5","7","7","3","7","1","1") = "6"
    & skf21("6","5","7","7","3","7","2","1") = "6"
    & skf21("6","5","7","7","3","7","3","1") = "6"
    & skf21("6","5","7","7","3","7","4","1") = "6"
    & skf21("6","5","7","7","3","7","5","1") = "6"
    & skf21("6","5","7","7","3","7","6","1") = "6"
    & skf21("6","5","7","7","3","7","7","1") = "6"
    & skf21("6","5","7","7","4","1","1","1") = "6"
    & skf21("6","5","7","7","4","1","2","1") = "6"
    & skf21("6","5","7","7","4","1","3","1") = "6"
    & skf21("6","5","7","7","4","1","4","1") = "6"
    & skf21("6","5","7","7","4","1","5","1") = "6"
    & skf21("6","5","7","7","4","1","6","1") = "6"
    & skf21("6","5","7","7","4","1","7","1") = "6"
    & skf21("6","5","7","7","4","2","1","1") = "6"
    & skf21("6","5","7","7","4","2","2","1") = "6"
    & skf21("6","5","7","7","4","2","3","1") = "6"
    & skf21("6","5","7","7","4","2","4","1") = "6"
    & skf21("6","5","7","7","4","2","5","1") = "6"
    & skf21("6","5","7","7","4","2","6","1") = "6"
    & skf21("6","5","7","7","4","2","7","1") = "6"
    & skf21("6","5","7","7","4","3","1","1") = "6"
    & skf21("6","5","7","7","4","3","2","1") = "6"
    & skf21("6","5","7","7","4","3","3","1") = "6"
    & skf21("6","5","7","7","4","3","4","1") = "6"
    & skf21("6","5","7","7","4","3","5","1") = "6"
    & skf21("6","5","7","7","4","3","6","1") = "6"
    & skf21("6","5","7","7","4","3","7","1") = "6"
    & skf21("6","5","7","7","4","4","1","1") = "6"
    & skf21("6","5","7","7","4","4","2","1") = "6"
    & skf21("6","5","7","7","4","4","3","1") = "6"
    & skf21("6","5","7","7","4","4","4","1") = "6"
    & skf21("6","5","7","7","4","4","5","1") = "6"
    & skf21("6","5","7","7","4","4","6","1") = "6"
    & skf21("6","5","7","7","4","4","7","1") = "6"
    & skf21("6","5","7","7","4","5","1","1") = "6"
    & skf21("6","5","7","7","4","5","2","1") = "6"
    & skf21("6","5","7","7","4","5","3","1") = "6"
    & skf21("6","5","7","7","4","5","4","1") = "6"
    & skf21("6","5","7","7","4","5","5","1") = "6"
    & skf21("6","5","7","7","4","5","6","1") = "6"
    & skf21("6","5","7","7","4","5","7","1") = "6"
    & skf21("6","5","7","7","4","6","1","1") = "6"
    & skf21("6","5","7","7","4","6","2","1") = "6"
    & skf21("6","5","7","7","4","6","3","1") = "6"
    & skf21("6","5","7","7","4","6","4","1") = "6"
    & skf21("6","5","7","7","4","6","5","1") = "6"
    & skf21("6","5","7","7","4","6","6","1") = "6"
    & skf21("6","5","7","7","4","6","7","1") = "6"
    & skf21("6","5","7","7","4","7","1","1") = "6"
    & skf21("6","5","7","7","4","7","2","1") = "6"
    & skf21("6","5","7","7","4","7","3","1") = "6"
    & skf21("6","5","7","7","4","7","4","1") = "6"
    & skf21("6","5","7","7","4","7","5","1") = "6"
    & skf21("6","5","7","7","4","7","6","1") = "6"
    & skf21("6","5","7","7","4","7","7","1") = "6"
    & skf21("6","5","7","7","5","1","1","1") = "6"
    & skf21("6","5","7","7","5","1","2","1") = "6"
    & skf21("6","5","7","7","5","1","3","1") = "6"
    & skf21("6","5","7","7","5","1","4","1") = "6"
    & skf21("6","5","7","7","5","1","5","1") = "6"
    & skf21("6","5","7","7","5","1","6","1") = "6"
    & skf21("6","5","7","7","5","1","7","1") = "6"
    & skf21("6","5","7","7","5","2","1","1") = "6"
    & skf21("6","5","7","7","5","2","2","1") = "6"
    & skf21("6","5","7","7","5","2","3","1") = "6"
    & skf21("6","5","7","7","5","2","4","1") = "6"
    & skf21("6","5","7","7","5","2","5","1") = "6"
    & skf21("6","5","7","7","5","2","6","1") = "6"
    & skf21("6","5","7","7","5","2","7","1") = "6"
    & skf21("6","5","7","7","5","3","1","1") = "6"
    & skf21("6","5","7","7","5","3","2","1") = "6"
    & skf21("6","5","7","7","5","3","3","1") = "6"
    & skf21("6","5","7","7","5","3","4","1") = "6"
    & skf21("6","5","7","7","5","3","5","1") = "6"
    & skf21("6","5","7","7","5","3","6","1") = "6"
    & skf21("6","5","7","7","5","3","7","1") = "6"
    & skf21("6","5","7","7","5","4","1","1") = "6"
    & skf21("6","5","7","7","5","4","2","1") = "6"
    & skf21("6","5","7","7","5","4","3","1") = "6"
    & skf21("6","5","7","7","5","4","4","1") = "6"
    & skf21("6","5","7","7","5","4","5","1") = "6"
    & skf21("6","5","7","7","5","4","6","1") = "6"
    & skf21("6","5","7","7","5","4","7","1") = "6"
    & skf21("6","5","7","7","5","5","1","1") = "6"
    & skf21("6","5","7","7","5","5","2","1") = "6"
    & skf21("6","5","7","7","5","5","3","1") = "6"
    & skf21("6","5","7","7","5","5","4","1") = "6"
    & skf21("6","5","7","7","5","5","5","1") = "6"
    & skf21("6","5","7","7","5","5","6","1") = "6"
    & skf21("6","5","7","7","5","5","7","1") = "6"
    & skf21("6","5","7","7","5","6","1","1") = "6"
    & skf21("6","5","7","7","5","6","2","1") = "6"
    & skf21("6","5","7","7","5","6","3","1") = "6"
    & skf21("6","5","7","7","5","6","4","1") = "6"
    & skf21("6","5","7","7","5","6","5","1") = "6"
    & skf21("6","5","7","7","5","6","6","1") = "6"
    & skf21("6","5","7","7","5","6","7","1") = "6"
    & skf21("6","5","7","7","5","7","1","1") = "6"
    & skf21("6","5","7","7","5","7","2","1") = "6"
    & skf21("6","5","7","7","5","7","3","1") = "6"
    & skf21("6","5","7","7","5","7","4","1") = "6"
    & skf21("6","5","7","7","5","7","5","1") = "6"
    & skf21("6","5","7","7","5","7","6","1") = "6"
    & skf21("6","5","7","7","5","7","7","1") = "6"
    & skf21("6","5","7","7","6","1","1","1") = "6"
    & skf21("6","5","7","7","6","1","2","1") = "6"
    & skf21("6","5","7","7","6","1","3","1") = "6"
    & skf21("6","5","7","7","6","1","4","1") = "6"
    & skf21("6","5","7","7","6","1","5","1") = "6"
    & skf21("6","5","7","7","6","1","6","1") = "6"
    & skf21("6","5","7","7","6","1","7","1") = "6"
    & skf21("6","5","7","7","6","2","1","1") = "6"
    & skf21("6","5","7","7","6","2","2","1") = "6"
    & skf21("6","5","7","7","6","2","3","1") = "6"
    & skf21("6","5","7","7","6","2","4","1") = "6"
    & skf21("6","5","7","7","6","2","5","1") = "6"
    & skf21("6","5","7","7","6","2","6","1") = "6"
    & skf21("6","5","7","7","6","2","7","1") = "6"
    & skf21("6","5","7","7","6","3","1","1") = "6"
    & skf21("6","5","7","7","6","3","2","1") = "6"
    & skf21("6","5","7","7","6","3","3","1") = "6"
    & skf21("6","5","7","7","6","3","4","1") = "6"
    & skf21("6","5","7","7","6","3","5","1") = "6"
    & skf21("6","5","7","7","6","3","6","1") = "6"
    & skf21("6","5","7","7","6","3","7","1") = "6"
    & skf21("6","5","7","7","6","4","1","1") = "6"
    & skf21("6","5","7","7","6","4","2","1") = "6"
    & skf21("6","5","7","7","6","4","3","1") = "6"
    & skf21("6","5","7","7","6","4","4","1") = "6"
    & skf21("6","5","7","7","6","4","5","1") = "6"
    & skf21("6","5","7","7","6","4","6","1") = "6"
    & skf21("6","5","7","7","6","4","7","1") = "6"
    & skf21("6","5","7","7","6","5","1","1") = "6"
    & skf21("6","5","7","7","6","5","2","1") = "6"
    & skf21("6","5","7","7","6","5","3","1") = "6"
    & skf21("6","5","7","7","6","5","4","1") = "6"
    & skf21("6","5","7","7","6","5","5","1") = "6"
    & skf21("6","5","7","7","6","5","6","1") = "6"
    & skf21("6","5","7","7","6","5","7","1") = "6"
    & skf21("6","5","7","7","6","6","1","1") = "6"
    & skf21("6","5","7","7","6","6","2","1") = "6"
    & skf21("6","5","7","7","6","6","3","1") = "6"
    & skf21("6","5","7","7","6","6","4","1") = "6"
    & skf21("6","5","7","7","6","6","5","1") = "6"
    & skf21("6","5","7","7","6","6","6","1") = "6"
    & skf21("6","5","7","7","6","6","7","1") = "6"
    & skf21("6","5","7","7","6","7","1","1") = "6"
    & skf21("6","5","7","7","6","7","2","1") = "6"
    & skf21("6","5","7","7","6","7","3","1") = "6"
    & skf21("6","5","7","7","6","7","4","1") = "6"
    & skf21("6","5","7","7","6","7","5","1") = "6"
    & skf21("6","5","7","7","6","7","6","1") = "6"
    & skf21("6","5","7","7","6","7","7","1") = "6"
    & skf21("6","5","7","7","7","1","1","1") = "6"
    & skf21("6","5","7","7","7","1","2","1") = "6"
    & skf21("6","5","7","7","7","1","3","1") = "6"
    & skf21("6","5","7","7","7","1","4","1") = "6"
    & skf21("6","5","7","7","7","1","5","1") = "6"
    & skf21("6","5","7","7","7","1","6","1") = "6"
    & skf21("6","5","7","7","7","1","7","1") = "6"
    & skf21("6","5","7","7","7","2","1","1") = "6"
    & skf21("6","5","7","7","7","2","2","1") = "6"
    & skf21("6","5","7","7","7","2","3","1") = "6"
    & skf21("6","5","7","7","7","2","4","1") = "6"
    & skf21("6","5","7","7","7","2","5","1") = "6"
    & skf21("6","5","7","7","7","2","6","1") = "6"
    & skf21("6","5","7","7","7","2","7","1") = "6"
    & skf21("6","5","7","7","7","3","1","1") = "6"
    & skf21("6","5","7","7","7","3","2","1") = "6"
    & skf21("6","5","7","7","7","3","3","1") = "6"
    & skf21("6","5","7","7","7","3","4","1") = "6"
    & skf21("6","5","7","7","7","3","5","1") = "6"
    & skf21("6","5","7","7","7","3","6","1") = "6"
    & skf21("6","5","7","7","7","3","7","1") = "6"
    & skf21("6","5","7","7","7","4","1","1") = "6"
    & skf21("6","5","7","7","7","4","2","1") = "6"
    & skf21("6","5","7","7","7","4","3","1") = "6"
    & skf21("6","5","7","7","7","4","4","1") = "6"
    & skf21("6","5","7","7","7","4","5","1") = "6"
    & skf21("6","5","7","7","7","4","6","1") = "6"
    & skf21("6","5","7","7","7","4","7","1") = "6"
    & skf21("6","5","7","7","7","5","1","1") = "6"
    & skf21("6","5","7","7","7","5","2","1") = "6"
    & skf21("6","5","7","7","7","5","3","1") = "6"
    & skf21("6","5","7","7","7","5","4","1") = "6"
    & skf21("6","5","7","7","7","5","5","1") = "6"
    & skf21("6","5","7","7","7","5","6","1") = "6"
    & skf21("6","5","7","7","7","5","7","1") = "6"
    & skf21("6","5","7","7","7","6","1","1") = "6"
    & skf21("6","5","7","7","7","6","2","1") = "6"
    & skf21("6","5","7","7","7","6","3","1") = "6"
    & skf21("6","5","7","7","7","6","4","1") = "6"
    & skf21("6","5","7","7","7","6","5","1") = "6"
    & skf21("6","5","7","7","7","6","6","1") = "6"
    & skf21("6","5","7","7","7","6","7","1") = "6"
    & skf21("6","5","7","7","7","7","1","1") = "6"
    & skf21("6","5","7","7","7","7","2","1") = "6"
    & skf21("6","5","7","7","7","7","3","1") = "6"
    & skf21("6","5","7","7","7","7","4","1") = "6"
    & skf21("6","5","7","7","7","7","5","1") = "6"
    & skf21("6","5","7","7","7","7","6","1") = "6"
    & skf21("6","5","7","7","7","7","7","1") = "6"
    & skf21("6","6","1","1","1","1","1","1") = "5"
    & skf21("6","6","1","1","1","1","2","1") = "5"
    & skf21("6","6","1","1","1","1","3","1") = "5"
    & skf21("6","6","1","1","1","1","4","1") = "5"
    & skf21("6","6","1","1","1","1","5","1") = "5"
    & skf21("6","6","1","1","1","1","6","1") = "5"
    & skf21("6","6","1","1","1","1","7","1") = "6"
    & skf21("6","6","1","1","1","2","1","1") = "5"
    & skf21("6","6","1","1","1","2","2","1") = "5"
    & skf21("6","6","1","1","1","2","3","1") = "5"
    & skf21("6","6","1","1","1","2","4","1") = "5"
    & skf21("6","6","1","1","1","2","5","1") = "5"
    & skf21("6","6","1","1","1","2","6","1") = "5"
    & skf21("6","6","1","1","1","2","7","1") = "6"
    & skf21("6","6","1","1","1","3","1","1") = "5"
    & skf21("6","6","1","1","1","3","2","1") = "5"
    & skf21("6","6","1","1","1","3","3","1") = "5"
    & skf21("6","6","1","1","1","3","4","1") = "5"
    & skf21("6","6","1","1","1","3","5","1") = "5"
    & skf21("6","6","1","1","1","3","6","1") = "5"
    & skf21("6","6","1","1","1","3","7","1") = "6"
    & skf21("6","6","1","1","1","4","1","1") = "5"
    & skf21("6","6","1","1","1","4","2","1") = "5"
    & skf21("6","6","1","1","1","4","3","1") = "5"
    & skf21("6","6","1","1","1","4","4","1") = "5"
    & skf21("6","6","1","1","1","4","5","1") = "5"
    & skf21("6","6","1","1","1","4","6","1") = "5"
    & skf21("6","6","1","1","1","4","7","1") = "6"
    & skf21("6","6","1","1","1","5","1","1") = "5"
    & skf21("6","6","1","1","1","5","2","1") = "5"
    & skf21("6","6","1","1","1","5","3","1") = "5"
    & skf21("6","6","1","1","1","5","4","1") = "5"
    & skf21("6","6","1","1","1","5","5","1") = "5"
    & skf21("6","6","1","1","1","5","6","1") = "5"
    & skf21("6","6","1","1","1","5","7","1") = "6"
    & skf21("6","6","1","1","1","6","1","1") = "5"
    & skf21("6","6","1","1","1","6","2","1") = "5"
    & skf21("6","6","1","1","1","6","3","1") = "5"
    & skf21("6","6","1","1","1","6","4","1") = "5"
    & skf21("6","6","1","1","1","6","5","1") = "5"
    & skf21("6","6","1","1","1","6","6","1") = "5"
    & skf21("6","6","1","1","1","6","7","1") = "6"
    & skf21("6","6","1","1","1","7","1","1") = "6"
    & skf21("6","6","1","1","1","7","2","1") = "6"
    & skf21("6","6","1","1","1","7","3","1") = "6"
    & skf21("6","6","1","1","1","7","4","1") = "6"
    & skf21("6","6","1","1","1","7","5","1") = "6"
    & skf21("6","6","1","1","1","7","6","1") = "6"
    & skf21("6","6","1","1","1","7","7","1") = "6"
    & skf21("6","6","1","1","2","1","1","1") = "5"
    & skf21("6","6","1","1","2","1","2","1") = "5"
    & skf21("6","6","1","1","2","1","3","1") = "5"
    & skf21("6","6","1","1","2","1","4","1") = "5"
    & skf21("6","6","1","1","2","1","5","1") = "5"
    & skf21("6","6","1","1","2","1","6","1") = "5"
    & skf21("6","6","1","1","2","1","7","1") = "6"
    & skf21("6","6","1","1","2","2","1","1") = "5"
    & skf21("6","6","1","1","2","2","2","1") = "5"
    & skf21("6","6","1","1","2","2","3","1") = "5"
    & skf21("6","6","1","1","2","2","4","1") = "5"
    & skf21("6","6","1","1","2","2","5","1") = "5"
    & skf21("6","6","1","1","2","2","6","1") = "5"
    & skf21("6","6","1","1","2","2","7","1") = "6"
    & skf21("6","6","1","1","2","3","1","1") = "5"
    & skf21("6","6","1","1","2","3","2","1") = "5"
    & skf21("6","6","1","1","2","3","3","1") = "5"
    & skf21("6","6","1","1","2","3","4","1") = "5"
    & skf21("6","6","1","1","2","3","5","1") = "5"
    & skf21("6","6","1","1","2","3","6","1") = "5"
    & skf21("6","6","1","1","2","3","7","1") = "6"
    & skf21("6","6","1","1","2","4","1","1") = "5"
    & skf21("6","6","1","1","2","4","2","1") = "5"
    & skf21("6","6","1","1","2","4","3","1") = "5"
    & skf21("6","6","1","1","2","4","4","1") = "5"
    & skf21("6","6","1","1","2","4","5","1") = "5"
    & skf21("6","6","1","1","2","4","6","1") = "5"
    & skf21("6","6","1","1","2","4","7","1") = "6"
    & skf21("6","6","1","1","2","5","1","1") = "5"
    & skf21("6","6","1","1","2","5","2","1") = "5"
    & skf21("6","6","1","1","2","5","3","1") = "5"
    & skf21("6","6","1","1","2","5","4","1") = "5"
    & skf21("6","6","1","1","2","5","5","1") = "5"
    & skf21("6","6","1","1","2","5","6","1") = "5"
    & skf21("6","6","1","1","2","5","7","1") = "6"
    & skf21("6","6","1","1","2","6","1","1") = "5"
    & skf21("6","6","1","1","2","6","2","1") = "5"
    & skf21("6","6","1","1","2","6","3","1") = "5"
    & skf21("6","6","1","1","2","6","4","1") = "5"
    & skf21("6","6","1","1","2","6","5","1") = "5"
    & skf21("6","6","1","1","2","6","6","1") = "5"
    & skf21("6","6","1","1","2","6","7","1") = "6"
    & skf21("6","6","1","1","2","7","1","1") = "6"
    & skf21("6","6","1","1","2","7","2","1") = "6"
    & skf21("6","6","1","1","2","7","3","1") = "6"
    & skf21("6","6","1","1","2","7","4","1") = "6"
    & skf21("6","6","1","1","2","7","5","1") = "6"
    & skf21("6","6","1","1","2","7","6","1") = "6"
    & skf21("6","6","1","1","2","7","7","1") = "6"
    & skf21("6","6","1","1","3","1","1","1") = "5"
    & skf21("6","6","1","1","3","1","2","1") = "5"
    & skf21("6","6","1","1","3","1","3","1") = "5"
    & skf21("6","6","1","1","3","1","4","1") = "5"
    & skf21("6","6","1","1","3","1","5","1") = "5"
    & skf21("6","6","1","1","3","1","6","1") = "5"
    & skf21("6","6","1","1","3","1","7","1") = "6"
    & skf21("6","6","1","1","3","2","1","1") = "5"
    & skf21("6","6","1","1","3","2","2","1") = "5"
    & skf21("6","6","1","1","3","2","3","1") = "5"
    & skf21("6","6","1","1","3","2","4","1") = "5"
    & skf21("6","6","1","1","3","2","5","1") = "5"
    & skf21("6","6","1","1","3","2","6","1") = "5"
    & skf21("6","6","1","1","3","2","7","1") = "6"
    & skf21("6","6","1","1","3","3","1","1") = "5"
    & skf21("6","6","1","1","3","3","2","1") = "5"
    & skf21("6","6","1","1","3","3","3","1") = "5"
    & skf21("6","6","1","1","3","3","4","1") = "5"
    & skf21("6","6","1","1","3","3","5","1") = "5"
    & skf21("6","6","1","1","3","3","6","1") = "5"
    & skf21("6","6","1","1","3","3","7","1") = "6"
    & skf21("6","6","1","1","3","4","1","1") = "5"
    & skf21("6","6","1","1","3","4","2","1") = "5"
    & skf21("6","6","1","1","3","4","3","1") = "5"
    & skf21("6","6","1","1","3","4","4","1") = "5"
    & skf21("6","6","1","1","3","4","5","1") = "5"
    & skf21("6","6","1","1","3","4","6","1") = "5"
    & skf21("6","6","1","1","3","4","7","1") = "6"
    & skf21("6","6","1","1","3","5","1","1") = "5"
    & skf21("6","6","1","1","3","5","2","1") = "5"
    & skf21("6","6","1","1","3","5","3","1") = "5"
    & skf21("6","6","1","1","3","5","4","1") = "5"
    & skf21("6","6","1","1","3","5","5","1") = "5"
    & skf21("6","6","1","1","3","5","6","1") = "5"
    & skf21("6","6","1","1","3","5","7","1") = "6"
    & skf21("6","6","1","1","3","6","1","1") = "5"
    & skf21("6","6","1","1","3","6","2","1") = "5"
    & skf21("6","6","1","1","3","6","3","1") = "5"
    & skf21("6","6","1","1","3","6","4","1") = "5"
    & skf21("6","6","1","1","3","6","5","1") = "5"
    & skf21("6","6","1","1","3","6","6","1") = "5"
    & skf21("6","6","1","1","3","6","7","1") = "6"
    & skf21("6","6","1","1","3","7","1","1") = "6"
    & skf21("6","6","1","1","3","7","2","1") = "6"
    & skf21("6","6","1","1","3","7","3","1") = "6"
    & skf21("6","6","1","1","3","7","4","1") = "6"
    & skf21("6","6","1","1","3","7","5","1") = "6"
    & skf21("6","6","1","1","3","7","6","1") = "6"
    & skf21("6","6","1","1","3","7","7","1") = "6"
    & skf21("6","6","1","1","4","1","1","1") = "5"
    & skf21("6","6","1","1","4","1","2","1") = "5"
    & skf21("6","6","1","1","4","1","3","1") = "5"
    & skf21("6","6","1","1","4","1","4","1") = "5"
    & skf21("6","6","1","1","4","1","5","1") = "5"
    & skf21("6","6","1","1","4","1","6","1") = "5"
    & skf21("6","6","1","1","4","1","7","1") = "6"
    & skf21("6","6","1","1","4","2","1","1") = "5"
    & skf21("6","6","1","1","4","2","2","1") = "5"
    & skf21("6","6","1","1","4","2","3","1") = "5"
    & skf21("6","6","1","1","4","2","4","1") = "5"
    & skf21("6","6","1","1","4","2","5","1") = "5"
    & skf21("6","6","1","1","4","2","6","1") = "5"
    & skf21("6","6","1","1","4","2","7","1") = "6"
    & skf21("6","6","1","1","4","3","1","1") = "5"
    & skf21("6","6","1","1","4","3","2","1") = "5"
    & skf21("6","6","1","1","4","3","3","1") = "5"
    & skf21("6","6","1","1","4","3","4","1") = "5"
    & skf21("6","6","1","1","4","3","5","1") = "5"
    & skf21("6","6","1","1","4","3","6","1") = "5"
    & skf21("6","6","1","1","4","3","7","1") = "6"
    & skf21("6","6","1","1","4","4","1","1") = "5"
    & skf21("6","6","1","1","4","4","2","1") = "5"
    & skf21("6","6","1","1","4","4","3","1") = "5"
    & skf21("6","6","1","1","4","4","4","1") = "5"
    & skf21("6","6","1","1","4","4","5","1") = "5"
    & skf21("6","6","1","1","4","4","6","1") = "5"
    & skf21("6","6","1","1","4","4","7","1") = "6"
    & skf21("6","6","1","1","4","5","1","1") = "5"
    & skf21("6","6","1","1","4","5","2","1") = "5"
    & skf21("6","6","1","1","4","5","3","1") = "5"
    & skf21("6","6","1","1","4","5","4","1") = "5"
    & skf21("6","6","1","1","4","5","5","1") = "5"
    & skf21("6","6","1","1","4","5","6","1") = "5"
    & skf21("6","6","1","1","4","5","7","1") = "6"
    & skf21("6","6","1","1","4","6","1","1") = "5"
    & skf21("6","6","1","1","4","6","2","1") = "5"
    & skf21("6","6","1","1","4","6","3","1") = "5"
    & skf21("6","6","1","1","4","6","4","1") = "5"
    & skf21("6","6","1","1","4","6","5","1") = "5"
    & skf21("6","6","1","1","4","6","6","1") = "5"
    & skf21("6","6","1","1","4","6","7","1") = "6"
    & skf21("6","6","1","1","4","7","1","1") = "6"
    & skf21("6","6","1","1","4","7","2","1") = "6"
    & skf21("6","6","1","1","4","7","3","1") = "6"
    & skf21("6","6","1","1","4","7","4","1") = "6"
    & skf21("6","6","1","1","4","7","5","1") = "6"
    & skf21("6","6","1","1","4","7","6","1") = "6"
    & skf21("6","6","1","1","4","7","7","1") = "6"
    & skf21("6","6","1","1","5","1","1","1") = "5"
    & skf21("6","6","1","1","5","1","2","1") = "5"
    & skf21("6","6","1","1","5","1","3","1") = "5"
    & skf21("6","6","1","1","5","1","4","1") = "5"
    & skf21("6","6","1","1","5","1","5","1") = "5"
    & skf21("6","6","1","1","5","1","6","1") = "5"
    & skf21("6","6","1","1","5","1","7","1") = "6"
    & skf21("6","6","1","1","5","2","1","1") = "5"
    & skf21("6","6","1","1","5","2","2","1") = "5"
    & skf21("6","6","1","1","5","2","3","1") = "5"
    & skf21("6","6","1","1","5","2","4","1") = "5"
    & skf21("6","6","1","1","5","2","5","1") = "5"
    & skf21("6","6","1","1","5","2","6","1") = "5"
    & skf21("6","6","1","1","5","2","7","1") = "6"
    & skf21("6","6","1","1","5","3","1","1") = "5"
    & skf21("6","6","1","1","5","3","2","1") = "5"
    & skf21("6","6","1","1","5","3","3","1") = "5"
    & skf21("6","6","1","1","5","3","4","1") = "5"
    & skf21("6","6","1","1","5","3","5","1") = "5"
    & skf21("6","6","1","1","5","3","6","1") = "5"
    & skf21("6","6","1","1","5","3","7","1") = "6"
    & skf21("6","6","1","1","5","4","1","1") = "5"
    & skf21("6","6","1","1","5","4","2","1") = "5"
    & skf21("6","6","1","1","5","4","3","1") = "5"
    & skf21("6","6","1","1","5","4","4","1") = "5"
    & skf21("6","6","1","1","5","4","5","1") = "5"
    & skf21("6","6","1","1","5","4","6","1") = "5"
    & skf21("6","6","1","1","5","4","7","1") = "6"
    & skf21("6","6","1","1","5","5","1","1") = "5"
    & skf21("6","6","1","1","5","5","2","1") = "5"
    & skf21("6","6","1","1","5","5","3","1") = "5"
    & skf21("6","6","1","1","5","5","4","1") = "5"
    & skf21("6","6","1","1","5","5","5","1") = "5"
    & skf21("6","6","1","1","5","5","6","1") = "5"
    & skf21("6","6","1","1","5","5","7","1") = "6"
    & skf21("6","6","1","1","5","6","1","1") = "5"
    & skf21("6","6","1","1","5","6","2","1") = "5"
    & skf21("6","6","1","1","5","6","3","1") = "5"
    & skf21("6","6","1","1","5","6","4","1") = "5"
    & skf21("6","6","1","1","5","6","5","1") = "5"
    & skf21("6","6","1","1","5","6","6","1") = "5"
    & skf21("6","6","1","1","5","6","7","1") = "6"
    & skf21("6","6","1","1","5","7","1","1") = "6"
    & skf21("6","6","1","1","5","7","2","1") = "6"
    & skf21("6","6","1","1","5","7","3","1") = "6"
    & skf21("6","6","1","1","5","7","4","1") = "6"
    & skf21("6","6","1","1","5","7","5","1") = "6"
    & skf21("6","6","1","1","5","7","6","1") = "6"
    & skf21("6","6","1","1","5","7","7","1") = "6"
    & skf21("6","6","1","1","6","1","1","1") = "5"
    & skf21("6","6","1","1","6","1","2","1") = "5"
    & skf21("6","6","1","1","6","1","3","1") = "5"
    & skf21("6","6","1","1","6","1","4","1") = "5"
    & skf21("6","6","1","1","6","1","5","1") = "5"
    & skf21("6","6","1","1","6","1","6","1") = "5"
    & skf21("6","6","1","1","6","1","7","1") = "6"
    & skf21("6","6","1","1","6","2","1","1") = "5"
    & skf21("6","6","1","1","6","2","2","1") = "5"
    & skf21("6","6","1","1","6","2","3","1") = "5"
    & skf21("6","6","1","1","6","2","4","1") = "5"
    & skf21("6","6","1","1","6","2","5","1") = "5"
    & skf21("6","6","1","1","6","2","6","1") = "5"
    & skf21("6","6","1","1","6","2","7","1") = "6"
    & skf21("6","6","1","1","6","3","1","1") = "5"
    & skf21("6","6","1","1","6","3","2","1") = "5"
    & skf21("6","6","1","1","6","3","3","1") = "5"
    & skf21("6","6","1","1","6","3","4","1") = "5"
    & skf21("6","6","1","1","6","3","5","1") = "5"
    & skf21("6","6","1","1","6","3","6","1") = "5"
    & skf21("6","6","1","1","6","3","7","1") = "6"
    & skf21("6","6","1","1","6","4","1","1") = "5"
    & skf21("6","6","1","1","6","4","2","1") = "5"
    & skf21("6","6","1","1","6","4","3","1") = "5"
    & skf21("6","6","1","1","6","4","4","1") = "5"
    & skf21("6","6","1","1","6","4","5","1") = "5"
    & skf21("6","6","1","1","6","4","6","1") = "5"
    & skf21("6","6","1","1","6","4","7","1") = "6"
    & skf21("6","6","1","1","6","5","1","1") = "5"
    & skf21("6","6","1","1","6","5","2","1") = "5"
    & skf21("6","6","1","1","6","5","3","1") = "5"
    & skf21("6","6","1","1","6","5","4","1") = "5"
    & skf21("6","6","1","1","6","5","5","1") = "5"
    & skf21("6","6","1","1","6","5","6","1") = "5"
    & skf21("6","6","1","1","6","5","7","1") = "6"
    & skf21("6","6","1","1","6","6","1","1") = "5"
    & skf21("6","6","1","1","6","6","2","1") = "5"
    & skf21("6","6","1","1","6","6","3","1") = "5"
    & skf21("6","6","1","1","6","6","4","1") = "5"
    & skf21("6","6","1","1","6","6","5","1") = "5"
    & skf21("6","6","1","1","6","6","6","1") = "5"
    & skf21("6","6","1","1","6","6","7","1") = "6"
    & skf21("6","6","1","1","6","7","1","1") = "6"
    & skf21("6","6","1","1","6","7","2","1") = "6"
    & skf21("6","6","1","1","6","7","3","1") = "6"
    & skf21("6","6","1","1","6","7","4","1") = "6"
    & skf21("6","6","1","1","6","7","5","1") = "6"
    & skf21("6","6","1","1","6","7","6","1") = "6"
    & skf21("6","6","1","1","6","7","7","1") = "6"
    & skf21("6","6","1","1","7","1","1","1") = "6"
    & skf21("6","6","1","1","7","1","2","1") = "6"
    & skf21("6","6","1","1","7","1","3","1") = "6"
    & skf21("6","6","1","1","7","1","4","1") = "6"
    & skf21("6","6","1","1","7","1","5","1") = "6"
    & skf21("6","6","1","1","7","1","6","1") = "6"
    & skf21("6","6","1","1","7","1","7","1") = "6"
    & skf21("6","6","1","1","7","2","1","1") = "6"
    & skf21("6","6","1","1","7","2","2","1") = "6"
    & skf21("6","6","1","1","7","2","3","1") = "6"
    & skf21("6","6","1","1","7","2","4","1") = "6"
    & skf21("6","6","1","1","7","2","5","1") = "6"
    & skf21("6","6","1","1","7","2","6","1") = "6"
    & skf21("6","6","1","1","7","2","7","1") = "6"
    & skf21("6","6","1","1","7","3","1","1") = "6"
    & skf21("6","6","1","1","7","3","2","1") = "6"
    & skf21("6","6","1","1","7","3","3","1") = "6"
    & skf21("6","6","1","1","7","3","4","1") = "6"
    & skf21("6","6","1","1","7","3","5","1") = "6"
    & skf21("6","6","1","1","7","3","6","1") = "6"
    & skf21("6","6","1","1","7","3","7","1") = "6"
    & skf21("6","6","1","1","7","4","1","1") = "6"
    & skf21("6","6","1","1","7","4","2","1") = "6"
    & skf21("6","6","1","1","7","4","3","1") = "6"
    & skf21("6","6","1","1","7","4","4","1") = "6"
    & skf21("6","6","1","1","7","4","5","1") = "6"
    & skf21("6","6","1","1","7","4","6","1") = "6"
    & skf21("6","6","1","1","7","4","7","1") = "6"
    & skf21("6","6","1","1","7","5","1","1") = "6"
    & skf21("6","6","1","1","7","5","2","1") = "6"
    & skf21("6","6","1","1","7","5","3","1") = "6"
    & skf21("6","6","1","1","7","5","4","1") = "6"
    & skf21("6","6","1","1","7","5","5","1") = "6"
    & skf21("6","6","1","1","7","5","6","1") = "6"
    & skf21("6","6","1","1","7","5","7","1") = "6"
    & skf21("6","6","1","1","7","6","1","1") = "6"
    & skf21("6","6","1","1","7","6","2","1") = "6"
    & skf21("6","6","1","1","7","6","3","1") = "6"
    & skf21("6","6","1","1","7","6","4","1") = "6"
    & skf21("6","6","1","1","7","6","5","1") = "6"
    & skf21("6","6","1","1","7","6","6","1") = "6"
    & skf21("6","6","1","1","7","6","7","1") = "6"
    & skf21("6","6","1","1","7","7","1","1") = "6"
    & skf21("6","6","1","1","7","7","2","1") = "6"
    & skf21("6","6","1","1","7","7","3","1") = "6"
    & skf21("6","6","1","1","7","7","4","1") = "6"
    & skf21("6","6","1","1","7","7","5","1") = "6"
    & skf21("6","6","1","1","7","7","6","1") = "6"
    & skf21("6","6","1","1","7","7","7","1") = "6"
    & skf21("6","6","1","2","1","1","1","1") = "5"
    & skf21("6","6","1","2","1","1","2","1") = "5"
    & skf21("6","6","1","2","1","1","3","1") = "5"
    & skf21("6","6","1","2","1","1","4","1") = "5"
    & skf21("6","6","1","2","1","1","5","1") = "5"
    & skf21("6","6","1","2","1","1","6","1") = "5"
    & skf21("6","6","1","2","1","1","7","1") = "6"
    & skf21("6","6","1","2","1","2","1","1") = "5"
    & skf21("6","6","1","2","1","2","2","1") = "5"
    & skf21("6","6","1","2","1","2","3","1") = "5"
    & skf21("6","6","1","2","1","2","4","1") = "5"
    & skf21("6","6","1","2","1","2","5","1") = "5"
    & skf21("6","6","1","2","1","2","6","1") = "5"
    & skf21("6","6","1","2","1","2","7","1") = "6"
    & skf21("6","6","1","2","1","3","1","1") = "5"
    & skf21("6","6","1","2","1","3","2","1") = "5"
    & skf21("6","6","1","2","1","3","3","1") = "5"
    & skf21("6","6","1","2","1","3","4","1") = "5"
    & skf21("6","6","1","2","1","3","5","1") = "5"
    & skf21("6","6","1","2","1","3","6","1") = "5"
    & skf21("6","6","1","2","1","3","7","1") = "6"
    & skf21("6","6","1","2","1","4","1","1") = "5"
    & skf21("6","6","1","2","1","4","2","1") = "5"
    & skf21("6","6","1","2","1","4","3","1") = "5"
    & skf21("6","6","1","2","1","4","4","1") = "5"
    & skf21("6","6","1","2","1","4","5","1") = "5"
    & skf21("6","6","1","2","1","4","6","1") = "5"
    & skf21("6","6","1","2","1","4","7","1") = "6"
    & skf21("6","6","1","2","1","5","1","1") = "5"
    & skf21("6","6","1","2","1","5","2","1") = "5"
    & skf21("6","6","1","2","1","5","3","1") = "5"
    & skf21("6","6","1","2","1","5","4","1") = "5"
    & skf21("6","6","1","2","1","5","5","1") = "5"
    & skf21("6","6","1","2","1","5","6","1") = "5"
    & skf21("6","6","1","2","1","5","7","1") = "6"
    & skf21("6","6","1","2","1","6","1","1") = "5"
    & skf21("6","6","1","2","1","6","2","1") = "5"
    & skf21("6","6","1","2","1","6","3","1") = "5"
    & skf21("6","6","1","2","1","6","4","1") = "5"
    & skf21("6","6","1","2","1","6","5","1") = "5"
    & skf21("6","6","1","2","1","6","6","1") = "5"
    & skf21("6","6","1","2","1","6","7","1") = "6"
    & skf21("6","6","1","2","1","7","1","1") = "6"
    & skf21("6","6","1","2","1","7","2","1") = "6"
    & skf21("6","6","1","2","1","7","3","1") = "6"
    & skf21("6","6","1","2","1","7","4","1") = "6"
    & skf21("6","6","1","2","1","7","5","1") = "6"
    & skf21("6","6","1","2","1","7","6","1") = "6"
    & skf21("6","6","1","2","1","7","7","1") = "6"
    & skf21("6","6","1","2","2","1","1","1") = "5"
    & skf21("6","6","1","2","2","1","2","1") = "5"
    & skf21("6","6","1","2","2","1","3","1") = "5"
    & skf21("6","6","1","2","2","1","4","1") = "5"
    & skf21("6","6","1","2","2","1","5","1") = "5"
    & skf21("6","6","1","2","2","1","6","1") = "5"
    & skf21("6","6","1","2","2","1","7","1") = "6"
    & skf21("6","6","1","2","2","2","1","1") = "5"
    & skf21("6","6","1","2","2","2","2","1") = "5"
    & skf21("6","6","1","2","2","2","3","1") = "5"
    & skf21("6","6","1","2","2","2","4","1") = "5"
    & skf21("6","6","1","2","2","2","5","1") = "5"
    & skf21("6","6","1","2","2","2","6","1") = "5"
    & skf21("6","6","1","2","2","2","7","1") = "6"
    & skf21("6","6","1","2","2","3","1","1") = "5"
    & skf21("6","6","1","2","2","3","2","1") = "5"
    & skf21("6","6","1","2","2","3","3","1") = "5"
    & skf21("6","6","1","2","2","3","4","1") = "5"
    & skf21("6","6","1","2","2","3","5","1") = "5"
    & skf21("6","6","1","2","2","3","6","1") = "5"
    & skf21("6","6","1","2","2","3","7","1") = "6"
    & skf21("6","6","1","2","2","4","1","1") = "5"
    & skf21("6","6","1","2","2","4","2","1") = "5"
    & skf21("6","6","1","2","2","4","3","1") = "5"
    & skf21("6","6","1","2","2","4","4","1") = "5"
    & skf21("6","6","1","2","2","4","5","1") = "5"
    & skf21("6","6","1","2","2","4","6","1") = "5"
    & skf21("6","6","1","2","2","4","7","1") = "6"
    & skf21("6","6","1","2","2","5","1","1") = "5"
    & skf21("6","6","1","2","2","5","2","1") = "5"
    & skf21("6","6","1","2","2","5","3","1") = "5"
    & skf21("6","6","1","2","2","5","4","1") = "5"
    & skf21("6","6","1","2","2","5","5","1") = "5"
    & skf21("6","6","1","2","2","5","6","1") = "5"
    & skf21("6","6","1","2","2","5","7","1") = "6"
    & skf21("6","6","1","2","2","6","1","1") = "5"
    & skf21("6","6","1","2","2","6","2","1") = "5"
    & skf21("6","6","1","2","2","6","3","1") = "5"
    & skf21("6","6","1","2","2","6","4","1") = "5"
    & skf21("6","6","1","2","2","6","5","1") = "5"
    & skf21("6","6","1","2","2","6","6","1") = "5"
    & skf21("6","6","1","2","2","6","7","1") = "6"
    & skf21("6","6","1","2","2","7","1","1") = "6"
    & skf21("6","6","1","2","2","7","2","1") = "6"
    & skf21("6","6","1","2","2","7","3","1") = "6"
    & skf21("6","6","1","2","2","7","4","1") = "6"
    & skf21("6","6","1","2","2","7","5","1") = "6"
    & skf21("6","6","1","2","2","7","6","1") = "6"
    & skf21("6","6","1","2","2","7","7","1") = "6"
    & skf21("6","6","1","2","3","1","1","1") = "5"
    & skf21("6","6","1","2","3","1","2","1") = "5"
    & skf21("6","6","1","2","3","1","3","1") = "5"
    & skf21("6","6","1","2","3","1","4","1") = "5"
    & skf21("6","6","1","2","3","1","5","1") = "5"
    & skf21("6","6","1","2","3","1","6","1") = "5"
    & skf21("6","6","1","2","3","1","7","1") = "6"
    & skf21("6","6","1","2","3","2","1","1") = "5"
    & skf21("6","6","1","2","3","2","2","1") = "5"
    & skf21("6","6","1","2","3","2","3","1") = "5"
    & skf21("6","6","1","2","3","2","4","1") = "5"
    & skf21("6","6","1","2","3","2","5","1") = "5"
    & skf21("6","6","1","2","3","2","6","1") = "5"
    & skf21("6","6","1","2","3","2","7","1") = "6"
    & skf21("6","6","1","2","3","3","1","1") = "5"
    & skf21("6","6","1","2","3","3","2","1") = "5"
    & skf21("6","6","1","2","3","3","3","1") = "5"
    & skf21("6","6","1","2","3","3","4","1") = "5"
    & skf21("6","6","1","2","3","3","5","1") = "5"
    & skf21("6","6","1","2","3","3","6","1") = "5"
    & skf21("6","6","1","2","3","3","7","1") = "6"
    & skf21("6","6","1","2","3","4","1","1") = "5"
    & skf21("6","6","1","2","3","4","2","1") = "5"
    & skf21("6","6","1","2","3","4","3","1") = "5"
    & skf21("6","6","1","2","3","4","4","1") = "5"
    & skf21("6","6","1","2","3","4","5","1") = "5"
    & skf21("6","6","1","2","3","4","6","1") = "5"
    & skf21("6","6","1","2","3","4","7","1") = "6"
    & skf21("6","6","1","2","3","5","1","1") = "5"
    & skf21("6","6","1","2","3","5","2","1") = "5"
    & skf21("6","6","1","2","3","5","3","1") = "5"
    & skf21("6","6","1","2","3","5","4","1") = "5"
    & skf21("6","6","1","2","3","5","5","1") = "5"
    & skf21("6","6","1","2","3","5","6","1") = "5"
    & skf21("6","6","1","2","3","5","7","1") = "6"
    & skf21("6","6","1","2","3","6","1","1") = "5"
    & skf21("6","6","1","2","3","6","2","1") = "5"
    & skf21("6","6","1","2","3","6","3","1") = "5"
    & skf21("6","6","1","2","3","6","4","1") = "5"
    & skf21("6","6","1","2","3","6","5","1") = "5"
    & skf21("6","6","1","2","3","6","6","1") = "5"
    & skf21("6","6","1","2","3","6","7","1") = "6"
    & skf21("6","6","1","2","3","7","1","1") = "6"
    & skf21("6","6","1","2","3","7","2","1") = "6"
    & skf21("6","6","1","2","3","7","3","1") = "6"
    & skf21("6","6","1","2","3","7","4","1") = "6"
    & skf21("6","6","1","2","3","7","5","1") = "6"
    & skf21("6","6","1","2","3","7","6","1") = "6"
    & skf21("6","6","1","2","3","7","7","1") = "6"
    & skf21("6","6","1","2","4","1","1","1") = "5"
    & skf21("6","6","1","2","4","1","2","1") = "5"
    & skf21("6","6","1","2","4","1","3","1") = "5"
    & skf21("6","6","1","2","4","1","4","1") = "5"
    & skf21("6","6","1","2","4","1","5","1") = "5"
    & skf21("6","6","1","2","4","1","6","1") = "5"
    & skf21("6","6","1","2","4","1","7","1") = "6"
    & skf21("6","6","1","2","4","2","1","1") = "5"
    & skf21("6","6","1","2","4","2","2","1") = "5"
    & skf21("6","6","1","2","4","2","3","1") = "5"
    & skf21("6","6","1","2","4","2","4","1") = "5"
    & skf21("6","6","1","2","4","2","5","1") = "5"
    & skf21("6","6","1","2","4","2","6","1") = "5"
    & skf21("6","6","1","2","4","2","7","1") = "6"
    & skf21("6","6","1","2","4","3","1","1") = "5"
    & skf21("6","6","1","2","4","3","2","1") = "5"
    & skf21("6","6","1","2","4","3","3","1") = "5"
    & skf21("6","6","1","2","4","3","4","1") = "5"
    & skf21("6","6","1","2","4","3","5","1") = "5"
    & skf21("6","6","1","2","4","3","6","1") = "5"
    & skf21("6","6","1","2","4","3","7","1") = "6"
    & skf21("6","6","1","2","4","4","1","1") = "5"
    & skf21("6","6","1","2","4","4","2","1") = "5"
    & skf21("6","6","1","2","4","4","3","1") = "5"
    & skf21("6","6","1","2","4","4","4","1") = "5"
    & skf21("6","6","1","2","4","4","5","1") = "5"
    & skf21("6","6","1","2","4","4","6","1") = "5"
    & skf21("6","6","1","2","4","4","7","1") = "6"
    & skf21("6","6","1","2","4","5","1","1") = "5"
    & skf21("6","6","1","2","4","5","2","1") = "5"
    & skf21("6","6","1","2","4","5","3","1") = "5"
    & skf21("6","6","1","2","4","5","4","1") = "5"
    & skf21("6","6","1","2","4","5","5","1") = "5"
    & skf21("6","6","1","2","4","5","6","1") = "5"
    & skf21("6","6","1","2","4","5","7","1") = "6"
    & skf21("6","6","1","2","4","6","1","1") = "5"
    & skf21("6","6","1","2","4","6","2","1") = "5"
    & skf21("6","6","1","2","4","6","3","1") = "5"
    & skf21("6","6","1","2","4","6","4","1") = "5"
    & skf21("6","6","1","2","4","6","5","1") = "5"
    & skf21("6","6","1","2","4","6","6","1") = "5"
    & skf21("6","6","1","2","4","6","7","1") = "6"
    & skf21("6","6","1","2","4","7","1","1") = "6"
    & skf21("6","6","1","2","4","7","2","1") = "6"
    & skf21("6","6","1","2","4","7","3","1") = "6"
    & skf21("6","6","1","2","4","7","4","1") = "6"
    & skf21("6","6","1","2","4","7","5","1") = "6"
    & skf21("6","6","1","2","4","7","6","1") = "6"
    & skf21("6","6","1","2","4","7","7","1") = "6"
    & skf21("6","6","1","2","5","1","1","1") = "5"
    & skf21("6","6","1","2","5","1","2","1") = "5"
    & skf21("6","6","1","2","5","1","3","1") = "5"
    & skf21("6","6","1","2","5","1","4","1") = "5"
    & skf21("6","6","1","2","5","1","5","1") = "5"
    & skf21("6","6","1","2","5","1","6","1") = "5"
    & skf21("6","6","1","2","5","1","7","1") = "6"
    & skf21("6","6","1","2","5","2","1","1") = "5"
    & skf21("6","6","1","2","5","2","2","1") = "5"
    & skf21("6","6","1","2","5","2","3","1") = "5"
    & skf21("6","6","1","2","5","2","4","1") = "5"
    & skf21("6","6","1","2","5","2","5","1") = "5"
    & skf21("6","6","1","2","5","2","6","1") = "5"
    & skf21("6","6","1","2","5","2","7","1") = "6"
    & skf21("6","6","1","2","5","3","1","1") = "5"
    & skf21("6","6","1","2","5","3","2","1") = "5"
    & skf21("6","6","1","2","5","3","3","1") = "5"
    & skf21("6","6","1","2","5","3","4","1") = "5"
    & skf21("6","6","1","2","5","3","5","1") = "5"
    & skf21("6","6","1","2","5","3","6","1") = "5"
    & skf21("6","6","1","2","5","3","7","1") = "6"
    & skf21("6","6","1","2","5","4","1","1") = "5"
    & skf21("6","6","1","2","5","4","2","1") = "5"
    & skf21("6","6","1","2","5","4","3","1") = "5"
    & skf21("6","6","1","2","5","4","4","1") = "5"
    & skf21("6","6","1","2","5","4","5","1") = "5"
    & skf21("6","6","1","2","5","4","6","1") = "5"
    & skf21("6","6","1","2","5","4","7","1") = "6"
    & skf21("6","6","1","2","5","5","1","1") = "5"
    & skf21("6","6","1","2","5","5","2","1") = "5"
    & skf21("6","6","1","2","5","5","3","1") = "5"
    & skf21("6","6","1","2","5","5","4","1") = "5"
    & skf21("6","6","1","2","5","5","5","1") = "5"
    & skf21("6","6","1","2","5","5","6","1") = "5"
    & skf21("6","6","1","2","5","5","7","1") = "6"
    & skf21("6","6","1","2","5","6","1","1") = "5"
    & skf21("6","6","1","2","5","6","2","1") = "5"
    & skf21("6","6","1","2","5","6","3","1") = "5"
    & skf21("6","6","1","2","5","6","4","1") = "5"
    & skf21("6","6","1","2","5","6","5","1") = "5"
    & skf21("6","6","1","2","5","6","6","1") = "5"
    & skf21("6","6","1","2","5","6","7","1") = "6"
    & skf21("6","6","1","2","5","7","1","1") = "6"
    & skf21("6","6","1","2","5","7","2","1") = "6"
    & skf21("6","6","1","2","5","7","3","1") = "6"
    & skf21("6","6","1","2","5","7","4","1") = "6"
    & skf21("6","6","1","2","5","7","5","1") = "6"
    & skf21("6","6","1","2","5","7","6","1") = "6"
    & skf21("6","6","1","2","5","7","7","1") = "6"
    & skf21("6","6","1","2","6","1","1","1") = "5"
    & skf21("6","6","1","2","6","1","2","1") = "5"
    & skf21("6","6","1","2","6","1","3","1") = "5"
    & skf21("6","6","1","2","6","1","4","1") = "5"
    & skf21("6","6","1","2","6","1","5","1") = "5"
    & skf21("6","6","1","2","6","1","6","1") = "5"
    & skf21("6","6","1","2","6","1","7","1") = "6"
    & skf21("6","6","1","2","6","2","1","1") = "5"
    & skf21("6","6","1","2","6","2","2","1") = "5"
    & skf21("6","6","1","2","6","2","3","1") = "5"
    & skf21("6","6","1","2","6","2","4","1") = "5"
    & skf21("6","6","1","2","6","2","5","1") = "5"
    & skf21("6","6","1","2","6","2","6","1") = "5"
    & skf21("6","6","1","2","6","2","7","1") = "6"
    & skf21("6","6","1","2","6","3","1","1") = "5"
    & skf21("6","6","1","2","6","3","2","1") = "5"
    & skf21("6","6","1","2","6","3","3","1") = "5"
    & skf21("6","6","1","2","6","3","4","1") = "5"
    & skf21("6","6","1","2","6","3","5","1") = "5"
    & skf21("6","6","1","2","6","3","6","1") = "5"
    & skf21("6","6","1","2","6","3","7","1") = "6"
    & skf21("6","6","1","2","6","4","1","1") = "5"
    & skf21("6","6","1","2","6","4","2","1") = "5"
    & skf21("6","6","1","2","6","4","3","1") = "5"
    & skf21("6","6","1","2","6","4","4","1") = "5"
    & skf21("6","6","1","2","6","4","5","1") = "5"
    & skf21("6","6","1","2","6","4","6","1") = "5"
    & skf21("6","6","1","2","6","4","7","1") = "6"
    & skf21("6","6","1","2","6","5","1","1") = "5"
    & skf21("6","6","1","2","6","5","2","1") = "5"
    & skf21("6","6","1","2","6","5","3","1") = "5"
    & skf21("6","6","1","2","6","5","4","1") = "5"
    & skf21("6","6","1","2","6","5","5","1") = "5"
    & skf21("6","6","1","2","6","5","6","1") = "5"
    & skf21("6","6","1","2","6","5","7","1") = "6"
    & skf21("6","6","1","2","6","6","1","1") = "5"
    & skf21("6","6","1","2","6","6","2","1") = "5"
    & skf21("6","6","1","2","6","6","3","1") = "5"
    & skf21("6","6","1","2","6","6","4","1") = "5"
    & skf21("6","6","1","2","6","6","5","1") = "5"
    & skf21("6","6","1","2","6","6","6","1") = "5"
    & skf21("6","6","1","2","6","6","7","1") = "6"
    & skf21("6","6","1","2","6","7","1","1") = "6"
    & skf21("6","6","1","2","6","7","2","1") = "6"
    & skf21("6","6","1","2","6","7","3","1") = "6"
    & skf21("6","6","1","2","6","7","4","1") = "6"
    & skf21("6","6","1","2","6","7","5","1") = "6"
    & skf21("6","6","1","2","6","7","6","1") = "6"
    & skf21("6","6","1","2","6","7","7","1") = "6"
    & skf21("6","6","1","2","7","1","1","1") = "6"
    & skf21("6","6","1","2","7","1","2","1") = "6"
    & skf21("6","6","1","2","7","1","3","1") = "6"
    & skf21("6","6","1","2","7","1","4","1") = "6"
    & skf21("6","6","1","2","7","1","5","1") = "6"
    & skf21("6","6","1","2","7","1","6","1") = "6"
    & skf21("6","6","1","2","7","1","7","1") = "6"
    & skf21("6","6","1","2","7","2","1","1") = "6"
    & skf21("6","6","1","2","7","2","2","1") = "6"
    & skf21("6","6","1","2","7","2","3","1") = "6"
    & skf21("6","6","1","2","7","2","4","1") = "6"
    & skf21("6","6","1","2","7","2","5","1") = "6"
    & skf21("6","6","1","2","7","2","6","1") = "6"
    & skf21("6","6","1","2","7","2","7","1") = "6"
    & skf21("6","6","1","2","7","3","1","1") = "6"
    & skf21("6","6","1","2","7","3","2","1") = "6"
    & skf21("6","6","1","2","7","3","3","1") = "6"
    & skf21("6","6","1","2","7","3","4","1") = "6"
    & skf21("6","6","1","2","7","3","5","1") = "6"
    & skf21("6","6","1","2","7","3","6","1") = "6"
    & skf21("6","6","1","2","7","3","7","1") = "6"
    & skf21("6","6","1","2","7","4","1","1") = "6"
    & skf21("6","6","1","2","7","4","2","1") = "6"
    & skf21("6","6","1","2","7","4","3","1") = "6"
    & skf21("6","6","1","2","7","4","4","1") = "6"
    & skf21("6","6","1","2","7","4","5","1") = "6"
    & skf21("6","6","1","2","7","4","6","1") = "6"
    & skf21("6","6","1","2","7","4","7","1") = "6"
    & skf21("6","6","1","2","7","5","1","1") = "6"
    & skf21("6","6","1","2","7","5","2","1") = "6"
    & skf21("6","6","1","2","7","5","3","1") = "6"
    & skf21("6","6","1","2","7","5","4","1") = "6"
    & skf21("6","6","1","2","7","5","5","1") = "6"
    & skf21("6","6","1","2","7","5","6","1") = "6"
    & skf21("6","6","1","2","7","5","7","1") = "6"
    & skf21("6","6","1","2","7","6","1","1") = "6"
    & skf21("6","6","1","2","7","6","2","1") = "6"
    & skf21("6","6","1","2","7","6","3","1") = "6"
    & skf21("6","6","1","2","7","6","4","1") = "6"
    & skf21("6","6","1","2","7","6","5","1") = "6"
    & skf21("6","6","1","2","7","6","6","1") = "6"
    & skf21("6","6","1","2","7","6","7","1") = "6"
    & skf21("6","6","1","2","7","7","1","1") = "6"
    & skf21("6","6","1","2","7","7","2","1") = "6"
    & skf21("6","6","1","2","7","7","3","1") = "6"
    & skf21("6","6","1","2","7","7","4","1") = "6"
    & skf21("6","6","1","2","7","7","5","1") = "6"
    & skf21("6","6","1","2","7","7","6","1") = "6"
    & skf21("6","6","1","2","7","7","7","1") = "6"
    & skf21("6","6","1","3","1","1","1","1") = "5"
    & skf21("6","6","1","3","1","1","2","1") = "5"
    & skf21("6","6","1","3","1","1","3","1") = "5"
    & skf21("6","6","1","3","1","1","4","1") = "5"
    & skf21("6","6","1","3","1","1","5","1") = "5"
    & skf21("6","6","1","3","1","1","6","1") = "5"
    & skf21("6","6","1","3","1","1","7","1") = "6"
    & skf21("6","6","1","3","1","2","1","1") = "5"
    & skf21("6","6","1","3","1","2","2","1") = "5"
    & skf21("6","6","1","3","1","2","3","1") = "5"
    & skf21("6","6","1","3","1","2","4","1") = "5"
    & skf21("6","6","1","3","1","2","5","1") = "5"
    & skf21("6","6","1","3","1","2","6","1") = "5"
    & skf21("6","6","1","3","1","2","7","1") = "6"
    & skf21("6","6","1","3","1","3","1","1") = "5"
    & skf21("6","6","1","3","1","3","2","1") = "5"
    & skf21("6","6","1","3","1","3","3","1") = "5"
    & skf21("6","6","1","3","1","3","4","1") = "5"
    & skf21("6","6","1","3","1","3","5","1") = "5"
    & skf21("6","6","1","3","1","3","6","1") = "5"
    & skf21("6","6","1","3","1","3","7","1") = "6"
    & skf21("6","6","1","3","1","4","1","1") = "5"
    & skf21("6","6","1","3","1","4","2","1") = "5"
    & skf21("6","6","1","3","1","4","3","1") = "5"
    & skf21("6","6","1","3","1","4","4","1") = "5"
    & skf21("6","6","1","3","1","4","5","1") = "5"
    & skf21("6","6","1","3","1","4","6","1") = "5"
    & skf21("6","6","1","3","1","4","7","1") = "6"
    & skf21("6","6","1","3","1","5","1","1") = "5"
    & skf21("6","6","1","3","1","5","2","1") = "5"
    & skf21("6","6","1","3","1","5","3","1") = "5"
    & skf21("6","6","1","3","1","5","4","1") = "5"
    & skf21("6","6","1","3","1","5","5","1") = "5"
    & skf21("6","6","1","3","1","5","6","1") = "5"
    & skf21("6","6","1","3","1","5","7","1") = "6"
    & skf21("6","6","1","3","1","6","1","1") = "5"
    & skf21("6","6","1","3","1","6","2","1") = "5"
    & skf21("6","6","1","3","1","6","3","1") = "5"
    & skf21("6","6","1","3","1","6","4","1") = "5"
    & skf21("6","6","1","3","1","6","5","1") = "5"
    & skf21("6","6","1","3","1","6","6","1") = "5"
    & skf21("6","6","1","3","1","6","7","1") = "6"
    & skf21("6","6","1","3","1","7","1","1") = "6"
    & skf21("6","6","1","3","1","7","2","1") = "6"
    & skf21("6","6","1","3","1","7","3","1") = "6"
    & skf21("6","6","1","3","1","7","4","1") = "6"
    & skf21("6","6","1","3","1","7","5","1") = "6"
    & skf21("6","6","1","3","1","7","6","1") = "6"
    & skf21("6","6","1","3","1","7","7","1") = "6"
    & skf21("6","6","1","3","2","1","1","1") = "5"
    & skf21("6","6","1","3","2","1","2","1") = "5"
    & skf21("6","6","1","3","2","1","3","1") = "5"
    & skf21("6","6","1","3","2","1","4","1") = "5"
    & skf21("6","6","1","3","2","1","5","1") = "5"
    & skf21("6","6","1","3","2","1","6","1") = "5"
    & skf21("6","6","1","3","2","1","7","1") = "6"
    & skf21("6","6","1","3","2","2","1","1") = "5"
    & skf21("6","6","1","3","2","2","2","1") = "5"
    & skf21("6","6","1","3","2","2","3","1") = "5"
    & skf21("6","6","1","3","2","2","4","1") = "5"
    & skf21("6","6","1","3","2","2","5","1") = "5"
    & skf21("6","6","1","3","2","2","6","1") = "5"
    & skf21("6","6","1","3","2","2","7","1") = "6"
    & skf21("6","6","1","3","2","3","1","1") = "5"
    & skf21("6","6","1","3","2","3","2","1") = "5"
    & skf21("6","6","1","3","2","3","3","1") = "5"
    & skf21("6","6","1","3","2","3","4","1") = "5"
    & skf21("6","6","1","3","2","3","5","1") = "5"
    & skf21("6","6","1","3","2","3","6","1") = "5"
    & skf21("6","6","1","3","2","3","7","1") = "6"
    & skf21("6","6","1","3","2","4","1","1") = "5"
    & skf21("6","6","1","3","2","4","2","1") = "5"
    & skf21("6","6","1","3","2","4","3","1") = "5"
    & skf21("6","6","1","3","2","4","4","1") = "5"
    & skf21("6","6","1","3","2","4","5","1") = "5"
    & skf21("6","6","1","3","2","4","6","1") = "5"
    & skf21("6","6","1","3","2","4","7","1") = "6"
    & skf21("6","6","1","3","2","5","1","1") = "5"
    & skf21("6","6","1","3","2","5","2","1") = "5"
    & skf21("6","6","1","3","2","5","3","1") = "5"
    & skf21("6","6","1","3","2","5","4","1") = "5"
    & skf21("6","6","1","3","2","5","5","1") = "5"
    & skf21("6","6","1","3","2","5","6","1") = "5"
    & skf21("6","6","1","3","2","5","7","1") = "6"
    & skf21("6","6","1","3","2","6","1","1") = "5"
    & skf21("6","6","1","3","2","6","2","1") = "5"
    & skf21("6","6","1","3","2","6","3","1") = "5"
    & skf21("6","6","1","3","2","6","4","1") = "5"
    & skf21("6","6","1","3","2","6","5","1") = "5"
    & skf21("6","6","1","3","2","6","6","1") = "5"
    & skf21("6","6","1","3","2","6","7","1") = "6"
    & skf21("6","6","1","3","2","7","1","1") = "6"
    & skf21("6","6","1","3","2","7","2","1") = "6"
    & skf21("6","6","1","3","2","7","3","1") = "6"
    & skf21("6","6","1","3","2","7","4","1") = "6"
    & skf21("6","6","1","3","2","7","5","1") = "6"
    & skf21("6","6","1","3","2","7","6","1") = "6"
    & skf21("6","6","1","3","2","7","7","1") = "6"
    & skf21("6","6","1","3","3","1","1","1") = "5"
    & skf21("6","6","1","3","3","1","2","1") = "5"
    & skf21("6","6","1","3","3","1","3","1") = "5"
    & skf21("6","6","1","3","3","1","4","1") = "5"
    & skf21("6","6","1","3","3","1","5","1") = "5"
    & skf21("6","6","1","3","3","1","6","1") = "5"
    & skf21("6","6","1","3","3","1","7","1") = "6"
    & skf21("6","6","1","3","3","2","1","1") = "5"
    & skf21("6","6","1","3","3","2","2","1") = "5"
    & skf21("6","6","1","3","3","2","3","1") = "5"
    & skf21("6","6","1","3","3","2","4","1") = "5"
    & skf21("6","6","1","3","3","2","5","1") = "5"
    & skf21("6","6","1","3","3","2","6","1") = "5"
    & skf21("6","6","1","3","3","2","7","1") = "6"
    & skf21("6","6","1","3","3","3","1","1") = "5"
    & skf21("6","6","1","3","3","3","2","1") = "5"
    & skf21("6","6","1","3","3","3","3","1") = "5"
    & skf21("6","6","1","3","3","3","4","1") = "5"
    & skf21("6","6","1","3","3","3","5","1") = "5"
    & skf21("6","6","1","3","3","3","6","1") = "5"
    & skf21("6","6","1","3","3","3","7","1") = "6"
    & skf21("6","6","1","3","3","4","1","1") = "5"
    & skf21("6","6","1","3","3","4","2","1") = "5"
    & skf21("6","6","1","3","3","4","3","1") = "5"
    & skf21("6","6","1","3","3","4","4","1") = "5"
    & skf21("6","6","1","3","3","4","5","1") = "5"
    & skf21("6","6","1","3","3","4","6","1") = "5"
    & skf21("6","6","1","3","3","4","7","1") = "6"
    & skf21("6","6","1","3","3","5","1","1") = "5"
    & skf21("6","6","1","3","3","5","2","1") = "5"
    & skf21("6","6","1","3","3","5","3","1") = "5"
    & skf21("6","6","1","3","3","5","4","1") = "5"
    & skf21("6","6","1","3","3","5","5","1") = "5"
    & skf21("6","6","1","3","3","5","6","1") = "5"
    & skf21("6","6","1","3","3","5","7","1") = "6"
    & skf21("6","6","1","3","3","6","1","1") = "5"
    & skf21("6","6","1","3","3","6","2","1") = "5"
    & skf21("6","6","1","3","3","6","3","1") = "5"
    & skf21("6","6","1","3","3","6","4","1") = "5"
    & skf21("6","6","1","3","3","6","5","1") = "5"
    & skf21("6","6","1","3","3","6","6","1") = "5"
    & skf21("6","6","1","3","3","6","7","1") = "6"
    & skf21("6","6","1","3","3","7","1","1") = "6"
    & skf21("6","6","1","3","3","7","2","1") = "6"
    & skf21("6","6","1","3","3","7","3","1") = "6"
    & skf21("6","6","1","3","3","7","4","1") = "6"
    & skf21("6","6","1","3","3","7","5","1") = "6"
    & skf21("6","6","1","3","3","7","6","1") = "6"
    & skf21("6","6","1","3","3","7","7","1") = "6"
    & skf21("6","6","1","3","4","1","1","1") = "5"
    & skf21("6","6","1","3","4","1","2","1") = "5"
    & skf21("6","6","1","3","4","1","3","1") = "5"
    & skf21("6","6","1","3","4","1","4","1") = "5"
    & skf21("6","6","1","3","4","1","5","1") = "5"
    & skf21("6","6","1","3","4","1","6","1") = "5"
    & skf21("6","6","1","3","4","1","7","1") = "6"
    & skf21("6","6","1","3","4","2","1","1") = "5"
    & skf21("6","6","1","3","4","2","2","1") = "5"
    & skf21("6","6","1","3","4","2","3","1") = "5"
    & skf21("6","6","1","3","4","2","4","1") = "5"
    & skf21("6","6","1","3","4","2","5","1") = "5"
    & skf21("6","6","1","3","4","2","6","1") = "5"
    & skf21("6","6","1","3","4","2","7","1") = "6"
    & skf21("6","6","1","3","4","3","1","1") = "5"
    & skf21("6","6","1","3","4","3","2","1") = "5"
    & skf21("6","6","1","3","4","3","3","1") = "5"
    & skf21("6","6","1","3","4","3","4","1") = "5"
    & skf21("6","6","1","3","4","3","5","1") = "5"
    & skf21("6","6","1","3","4","3","6","1") = "5"
    & skf21("6","6","1","3","4","3","7","1") = "6"
    & skf21("6","6","1","3","4","4","1","1") = "5"
    & skf21("6","6","1","3","4","4","2","1") = "5"
    & skf21("6","6","1","3","4","4","3","1") = "5"
    & skf21("6","6","1","3","4","4","4","1") = "5"
    & skf21("6","6","1","3","4","4","5","1") = "5"
    & skf21("6","6","1","3","4","4","6","1") = "5"
    & skf21("6","6","1","3","4","4","7","1") = "6"
    & skf21("6","6","1","3","4","5","1","1") = "5"
    & skf21("6","6","1","3","4","5","2","1") = "5"
    & skf21("6","6","1","3","4","5","3","1") = "5"
    & skf21("6","6","1","3","4","5","4","1") = "5"
    & skf21("6","6","1","3","4","5","5","1") = "5"
    & skf21("6","6","1","3","4","5","6","1") = "5"
    & skf21("6","6","1","3","4","5","7","1") = "6"
    & skf21("6","6","1","3","4","6","1","1") = "5"
    & skf21("6","6","1","3","4","6","2","1") = "5"
    & skf21("6","6","1","3","4","6","3","1") = "5"
    & skf21("6","6","1","3","4","6","4","1") = "5"
    & skf21("6","6","1","3","4","6","5","1") = "5"
    & skf21("6","6","1","3","4","6","6","1") = "5"
    & skf21("6","6","1","3","4","6","7","1") = "6"
    & skf21("6","6","1","3","4","7","1","1") = "6"
    & skf21("6","6","1","3","4","7","2","1") = "6"
    & skf21("6","6","1","3","4","7","3","1") = "6"
    & skf21("6","6","1","3","4","7","4","1") = "6"
    & skf21("6","6","1","3","4","7","5","1") = "6"
    & skf21("6","6","1","3","4","7","6","1") = "6"
    & skf21("6","6","1","3","4","7","7","1") = "6"
    & skf21("6","6","1","3","5","1","1","1") = "5"
    & skf21("6","6","1","3","5","1","2","1") = "5"
    & skf21("6","6","1","3","5","1","3","1") = "5"
    & skf21("6","6","1","3","5","1","4","1") = "5"
    & skf21("6","6","1","3","5","1","5","1") = "5"
    & skf21("6","6","1","3","5","1","6","1") = "5"
    & skf21("6","6","1","3","5","1","7","1") = "6"
    & skf21("6","6","1","3","5","2","1","1") = "5"
    & skf21("6","6","1","3","5","2","2","1") = "5"
    & skf21("6","6","1","3","5","2","3","1") = "5"
    & skf21("6","6","1","3","5","2","4","1") = "5"
    & skf21("6","6","1","3","5","2","5","1") = "5"
    & skf21("6","6","1","3","5","2","6","1") = "5"
    & skf21("6","6","1","3","5","2","7","1") = "6"
    & skf21("6","6","1","3","5","3","1","1") = "5"
    & skf21("6","6","1","3","5","3","2","1") = "5"
    & skf21("6","6","1","3","5","3","3","1") = "5"
    & skf21("6","6","1","3","5","3","4","1") = "5"
    & skf21("6","6","1","3","5","3","5","1") = "5"
    & skf21("6","6","1","3","5","3","6","1") = "5"
    & skf21("6","6","1","3","5","3","7","1") = "6"
    & skf21("6","6","1","3","5","4","1","1") = "5"
    & skf21("6","6","1","3","5","4","2","1") = "5"
    & skf21("6","6","1","3","5","4","3","1") = "5"
    & skf21("6","6","1","3","5","4","4","1") = "5"
    & skf21("6","6","1","3","5","4","5","1") = "5"
    & skf21("6","6","1","3","5","4","6","1") = "5"
    & skf21("6","6","1","3","5","4","7","1") = "6"
    & skf21("6","6","1","3","5","5","1","1") = "5"
    & skf21("6","6","1","3","5","5","2","1") = "5"
    & skf21("6","6","1","3","5","5","3","1") = "5"
    & skf21("6","6","1","3","5","5","4","1") = "5"
    & skf21("6","6","1","3","5","5","5","1") = "5"
    & skf21("6","6","1","3","5","5","6","1") = "5"
    & skf21("6","6","1","3","5","5","7","1") = "6"
    & skf21("6","6","1","3","5","6","1","1") = "5"
    & skf21("6","6","1","3","5","6","2","1") = "5"
    & skf21("6","6","1","3","5","6","3","1") = "5"
    & skf21("6","6","1","3","5","6","4","1") = "5"
    & skf21("6","6","1","3","5","6","5","1") = "5"
    & skf21("6","6","1","3","5","6","6","1") = "5"
    & skf21("6","6","1","3","5","6","7","1") = "6"
    & skf21("6","6","1","3","5","7","1","1") = "6"
    & skf21("6","6","1","3","5","7","2","1") = "6"
    & skf21("6","6","1","3","5","7","3","1") = "6"
    & skf21("6","6","1","3","5","7","4","1") = "6"
    & skf21("6","6","1","3","5","7","5","1") = "6"
    & skf21("6","6","1","3","5","7","6","1") = "6"
    & skf21("6","6","1","3","5","7","7","1") = "6"
    & skf21("6","6","1","3","6","1","1","1") = "5"
    & skf21("6","6","1","3","6","1","2","1") = "5"
    & skf21("6","6","1","3","6","1","3","1") = "5"
    & skf21("6","6","1","3","6","1","4","1") = "5"
    & skf21("6","6","1","3","6","1","5","1") = "5"
    & skf21("6","6","1","3","6","1","6","1") = "5"
    & skf21("6","6","1","3","6","1","7","1") = "6"
    & skf21("6","6","1","3","6","2","1","1") = "5"
    & skf21("6","6","1","3","6","2","2","1") = "5"
    & skf21("6","6","1","3","6","2","3","1") = "5"
    & skf21("6","6","1","3","6","2","4","1") = "5"
    & skf21("6","6","1","3","6","2","5","1") = "5"
    & skf21("6","6","1","3","6","2","6","1") = "5"
    & skf21("6","6","1","3","6","2","7","1") = "6"
    & skf21("6","6","1","3","6","3","1","1") = "5"
    & skf21("6","6","1","3","6","3","2","1") = "5"
    & skf21("6","6","1","3","6","3","3","1") = "5"
    & skf21("6","6","1","3","6","3","4","1") = "5"
    & skf21("6","6","1","3","6","3","5","1") = "5"
    & skf21("6","6","1","3","6","3","6","1") = "5"
    & skf21("6","6","1","3","6","3","7","1") = "6"
    & skf21("6","6","1","3","6","4","1","1") = "5"
    & skf21("6","6","1","3","6","4","2","1") = "5"
    & skf21("6","6","1","3","6","4","3","1") = "5"
    & skf21("6","6","1","3","6","4","4","1") = "5"
    & skf21("6","6","1","3","6","4","5","1") = "5"
    & skf21("6","6","1","3","6","4","6","1") = "5"
    & skf21("6","6","1","3","6","4","7","1") = "6"
    & skf21("6","6","1","3","6","5","1","1") = "5"
    & skf21("6","6","1","3","6","5","2","1") = "5"
    & skf21("6","6","1","3","6","5","3","1") = "5"
    & skf21("6","6","1","3","6","5","4","1") = "5"
    & skf21("6","6","1","3","6","5","5","1") = "5"
    & skf21("6","6","1","3","6","5","6","1") = "5"
    & skf21("6","6","1","3","6","5","7","1") = "6"
    & skf21("6","6","1","3","6","6","1","1") = "5"
    & skf21("6","6","1","3","6","6","2","1") = "5"
    & skf21("6","6","1","3","6","6","3","1") = "5"
    & skf21("6","6","1","3","6","6","4","1") = "5"
    & skf21("6","6","1","3","6","6","5","1") = "5"
    & skf21("6","6","1","3","6","6","6","1") = "5"
    & skf21("6","6","1","3","6","6","7","1") = "6"
    & skf21("6","6","1","3","6","7","1","1") = "6"
    & skf21("6","6","1","3","6","7","2","1") = "6"
    & skf21("6","6","1","3","6","7","3","1") = "6"
    & skf21("6","6","1","3","6","7","4","1") = "6"
    & skf21("6","6","1","3","6","7","5","1") = "6"
    & skf21("6","6","1","3","6","7","6","1") = "6"
    & skf21("6","6","1","3","6","7","7","1") = "6"
    & skf21("6","6","1","3","7","1","1","1") = "6"
    & skf21("6","6","1","3","7","1","2","1") = "6"
    & skf21("6","6","1","3","7","1","3","1") = "6"
    & skf21("6","6","1","3","7","1","4","1") = "6"
    & skf21("6","6","1","3","7","1","5","1") = "6"
    & skf21("6","6","1","3","7","1","6","1") = "6"
    & skf21("6","6","1","3","7","1","7","1") = "6"
    & skf21("6","6","1","3","7","2","1","1") = "6"
    & skf21("6","6","1","3","7","2","2","1") = "6"
    & skf21("6","6","1","3","7","2","3","1") = "6"
    & skf21("6","6","1","3","7","2","4","1") = "6"
    & skf21("6","6","1","3","7","2","5","1") = "6"
    & skf21("6","6","1","3","7","2","6","1") = "6"
    & skf21("6","6","1","3","7","2","7","1") = "6"
    & skf21("6","6","1","3","7","3","1","1") = "6"
    & skf21("6","6","1","3","7","3","2","1") = "6"
    & skf21("6","6","1","3","7","3","3","1") = "6"
    & skf21("6","6","1","3","7","3","4","1") = "6"
    & skf21("6","6","1","3","7","3","5","1") = "6"
    & skf21("6","6","1","3","7","3","6","1") = "6"
    & skf21("6","6","1","3","7","3","7","1") = "6"
    & skf21("6","6","1","3","7","4","1","1") = "6"
    & skf21("6","6","1","3","7","4","2","1") = "6"
    & skf21("6","6","1","3","7","4","3","1") = "6"
    & skf21("6","6","1","3","7","4","4","1") = "6"
    & skf21("6","6","1","3","7","4","5","1") = "6"
    & skf21("6","6","1","3","7","4","6","1") = "6"
    & skf21("6","6","1","3","7","4","7","1") = "6"
    & skf21("6","6","1","3","7","5","1","1") = "6"
    & skf21("6","6","1","3","7","5","2","1") = "6"
    & skf21("6","6","1","3","7","5","3","1") = "6"
    & skf21("6","6","1","3","7","5","4","1") = "6"
    & skf21("6","6","1","3","7","5","5","1") = "6"
    & skf21("6","6","1","3","7","5","6","1") = "6"
    & skf21("6","6","1","3","7","5","7","1") = "6"
    & skf21("6","6","1","3","7","6","1","1") = "6"
    & skf21("6","6","1","3","7","6","2","1") = "6"
    & skf21("6","6","1","3","7","6","3","1") = "6"
    & skf21("6","6","1","3","7","6","4","1") = "6"
    & skf21("6","6","1","3","7","6","5","1") = "6"
    & skf21("6","6","1","3","7","6","6","1") = "6"
    & skf21("6","6","1","3","7","6","7","1") = "6"
    & skf21("6","6","1","3","7","7","1","1") = "6"
    & skf21("6","6","1","3","7","7","2","1") = "6"
    & skf21("6","6","1","3","7","7","3","1") = "6"
    & skf21("6","6","1","3","7","7","4","1") = "6"
    & skf21("6","6","1","3","7","7","5","1") = "6"
    & skf21("6","6","1","3","7","7","6","1") = "6"
    & skf21("6","6","1","3","7","7","7","1") = "6"
    & skf21("6","6","1","4","1","1","1","1") = "5"
    & skf21("6","6","1","4","1","1","2","1") = "5"
    & skf21("6","6","1","4","1","1","3","1") = "5"
    & skf21("6","6","1","4","1","1","4","1") = "5"
    & skf21("6","6","1","4","1","1","5","1") = "5"
    & skf21("6","6","1","4","1","1","6","1") = "5"
    & skf21("6","6","1","4","1","1","7","1") = "6"
    & skf21("6","6","1","4","1","2","1","1") = "5"
    & skf21("6","6","1","4","1","2","2","1") = "5"
    & skf21("6","6","1","4","1","2","3","1") = "5"
    & skf21("6","6","1","4","1","2","4","1") = "5"
    & skf21("6","6","1","4","1","2","5","1") = "5"
    & skf21("6","6","1","4","1","2","6","1") = "5"
    & skf21("6","6","1","4","1","2","7","1") = "6"
    & skf21("6","6","1","4","1","3","1","1") = "5"
    & skf21("6","6","1","4","1","3","2","1") = "5"
    & skf21("6","6","1","4","1","3","3","1") = "5"
    & skf21("6","6","1","4","1","3","4","1") = "5"
    & skf21("6","6","1","4","1","3","5","1") = "5"
    & skf21("6","6","1","4","1","3","6","1") = "5"
    & skf21("6","6","1","4","1","3","7","1") = "6"
    & skf21("6","6","1","4","1","4","1","1") = "5"
    & skf21("6","6","1","4","1","4","2","1") = "5"
    & skf21("6","6","1","4","1","4","3","1") = "5"
    & skf21("6","6","1","4","1","4","4","1") = "5"
    & skf21("6","6","1","4","1","4","5","1") = "5"
    & skf21("6","6","1","4","1","4","6","1") = "5"
    & skf21("6","6","1","4","1","4","7","1") = "6"
    & skf21("6","6","1","4","1","5","1","1") = "5"
    & skf21("6","6","1","4","1","5","2","1") = "5"
    & skf21("6","6","1","4","1","5","3","1") = "5"
    & skf21("6","6","1","4","1","5","4","1") = "5"
    & skf21("6","6","1","4","1","5","5","1") = "5"
    & skf21("6","6","1","4","1","5","6","1") = "5"
    & skf21("6","6","1","4","1","5","7","1") = "6"
    & skf21("6","6","1","4","1","6","1","1") = "5"
    & skf21("6","6","1","4","1","6","2","1") = "5"
    & skf21("6","6","1","4","1","6","3","1") = "5"
    & skf21("6","6","1","4","1","6","4","1") = "5"
    & skf21("6","6","1","4","1","6","5","1") = "5"
    & skf21("6","6","1","4","1","6","6","1") = "5"
    & skf21("6","6","1","4","1","6","7","1") = "6"
    & skf21("6","6","1","4","1","7","1","1") = "6"
    & skf21("6","6","1","4","1","7","2","1") = "6"
    & skf21("6","6","1","4","1","7","3","1") = "6"
    & skf21("6","6","1","4","1","7","4","1") = "6"
    & skf21("6","6","1","4","1","7","5","1") = "6"
    & skf21("6","6","1","4","1","7","6","1") = "6"
    & skf21("6","6","1","4","1","7","7","1") = "6"
    & skf21("6","6","1","4","2","1","1","1") = "5"
    & skf21("6","6","1","4","2","1","2","1") = "5"
    & skf21("6","6","1","4","2","1","3","1") = "5"
    & skf21("6","6","1","4","2","1","4","1") = "5"
    & skf21("6","6","1","4","2","1","5","1") = "5"
    & skf21("6","6","1","4","2","1","6","1") = "5"
    & skf21("6","6","1","4","2","1","7","1") = "6"
    & skf21("6","6","1","4","2","2","1","1") = "5"
    & skf21("6","6","1","4","2","2","2","1") = "5"
    & skf21("6","6","1","4","2","2","3","1") = "5"
    & skf21("6","6","1","4","2","2","4","1") = "5"
    & skf21("6","6","1","4","2","2","5","1") = "5"
    & skf21("6","6","1","4","2","2","6","1") = "5"
    & skf21("6","6","1","4","2","2","7","1") = "6"
    & skf21("6","6","1","4","2","3","1","1") = "5"
    & skf21("6","6","1","4","2","3","2","1") = "5"
    & skf21("6","6","1","4","2","3","3","1") = "5"
    & skf21("6","6","1","4","2","3","4","1") = "5"
    & skf21("6","6","1","4","2","3","5","1") = "5"
    & skf21("6","6","1","4","2","3","6","1") = "5"
    & skf21("6","6","1","4","2","3","7","1") = "6"
    & skf21("6","6","1","4","2","4","1","1") = "5"
    & skf21("6","6","1","4","2","4","2","1") = "5"
    & skf21("6","6","1","4","2","4","3","1") = "5"
    & skf21("6","6","1","4","2","4","4","1") = "5"
    & skf21("6","6","1","4","2","4","5","1") = "5"
    & skf21("6","6","1","4","2","4","6","1") = "5"
    & skf21("6","6","1","4","2","4","7","1") = "6"
    & skf21("6","6","1","4","2","5","1","1") = "5"
    & skf21("6","6","1","4","2","5","2","1") = "5"
    & skf21("6","6","1","4","2","5","3","1") = "5"
    & skf21("6","6","1","4","2","5","4","1") = "5"
    & skf21("6","6","1","4","2","5","5","1") = "5"
    & skf21("6","6","1","4","2","5","6","1") = "5"
    & skf21("6","6","1","4","2","5","7","1") = "6"
    & skf21("6","6","1","4","2","6","1","1") = "5"
    & skf21("6","6","1","4","2","6","2","1") = "5"
    & skf21("6","6","1","4","2","6","3","1") = "5"
    & skf21("6","6","1","4","2","6","4","1") = "5"
    & skf21("6","6","1","4","2","6","5","1") = "5"
    & skf21("6","6","1","4","2","6","6","1") = "5"
    & skf21("6","6","1","4","2","6","7","1") = "6"
    & skf21("6","6","1","4","2","7","1","1") = "6"
    & skf21("6","6","1","4","2","7","2","1") = "6"
    & skf21("6","6","1","4","2","7","3","1") = "6"
    & skf21("6","6","1","4","2","7","4","1") = "6"
    & skf21("6","6","1","4","2","7","5","1") = "6"
    & skf21("6","6","1","4","2","7","6","1") = "6"
    & skf21("6","6","1","4","2","7","7","1") = "6"
    & skf21("6","6","1","4","3","1","1","1") = "5"
    & skf21("6","6","1","4","3","1","2","1") = "5"
    & skf21("6","6","1","4","3","1","3","1") = "5"
    & skf21("6","6","1","4","3","1","4","1") = "5"
    & skf21("6","6","1","4","3","1","5","1") = "5"
    & skf21("6","6","1","4","3","1","6","1") = "5"
    & skf21("6","6","1","4","3","1","7","1") = "6"
    & skf21("6","6","1","4","3","2","1","1") = "5"
    & skf21("6","6","1","4","3","2","2","1") = "5"
    & skf21("6","6","1","4","3","2","3","1") = "5"
    & skf21("6","6","1","4","3","2","4","1") = "5"
    & skf21("6","6","1","4","3","2","5","1") = "5"
    & skf21("6","6","1","4","3","2","6","1") = "5"
    & skf21("6","6","1","4","3","2","7","1") = "6"
    & skf21("6","6","1","4","3","3","1","1") = "5"
    & skf21("6","6","1","4","3","3","2","1") = "5"
    & skf21("6","6","1","4","3","3","3","1") = "5"
    & skf21("6","6","1","4","3","3","4","1") = "5"
    & skf21("6","6","1","4","3","3","5","1") = "5"
    & skf21("6","6","1","4","3","3","6","1") = "5"
    & skf21("6","6","1","4","3","3","7","1") = "6"
    & skf21("6","6","1","4","3","4","1","1") = "5"
    & skf21("6","6","1","4","3","4","2","1") = "5"
    & skf21("6","6","1","4","3","4","3","1") = "5"
    & skf21("6","6","1","4","3","4","4","1") = "5"
    & skf21("6","6","1","4","3","4","5","1") = "5"
    & skf21("6","6","1","4","3","4","6","1") = "5"
    & skf21("6","6","1","4","3","4","7","1") = "6"
    & skf21("6","6","1","4","3","5","1","1") = "5"
    & skf21("6","6","1","4","3","5","2","1") = "5"
    & skf21("6","6","1","4","3","5","3","1") = "5"
    & skf21("6","6","1","4","3","5","4","1") = "5"
    & skf21("6","6","1","4","3","5","5","1") = "5"
    & skf21("6","6","1","4","3","5","6","1") = "5"
    & skf21("6","6","1","4","3","5","7","1") = "6"
    & skf21("6","6","1","4","3","6","1","1") = "5"
    & skf21("6","6","1","4","3","6","2","1") = "5"
    & skf21("6","6","1","4","3","6","3","1") = "5"
    & skf21("6","6","1","4","3","6","4","1") = "5"
    & skf21("6","6","1","4","3","6","5","1") = "5"
    & skf21("6","6","1","4","3","6","6","1") = "5"
    & skf21("6","6","1","4","3","6","7","1") = "6"
    & skf21("6","6","1","4","3","7","1","1") = "6"
    & skf21("6","6","1","4","3","7","2","1") = "6"
    & skf21("6","6","1","4","3","7","3","1") = "6"
    & skf21("6","6","1","4","3","7","4","1") = "6"
    & skf21("6","6","1","4","3","7","5","1") = "6"
    & skf21("6","6","1","4","3","7","6","1") = "6"
    & skf21("6","6","1","4","3","7","7","1") = "6"
    & skf21("6","6","1","4","4","1","1","1") = "5"
    & skf21("6","6","1","4","4","1","2","1") = "5"
    & skf21("6","6","1","4","4","1","3","1") = "5"
    & skf21("6","6","1","4","4","1","4","1") = "5"
    & skf21("6","6","1","4","4","1","5","1") = "5"
    & skf21("6","6","1","4","4","1","6","1") = "5"
    & skf21("6","6","1","4","4","1","7","1") = "6"
    & skf21("6","6","1","4","4","2","1","1") = "5"
    & skf21("6","6","1","4","4","2","2","1") = "5"
    & skf21("6","6","1","4","4","2","3","1") = "5"
    & skf21("6","6","1","4","4","2","4","1") = "5"
    & skf21("6","6","1","4","4","2","5","1") = "5"
    & skf21("6","6","1","4","4","2","6","1") = "5"
    & skf21("6","6","1","4","4","2","7","1") = "6"
    & skf21("6","6","1","4","4","3","1","1") = "5"
    & skf21("6","6","1","4","4","3","2","1") = "5"
    & skf21("6","6","1","4","4","3","3","1") = "5"
    & skf21("6","6","1","4","4","3","4","1") = "5"
    & skf21("6","6","1","4","4","3","5","1") = "5"
    & skf21("6","6","1","4","4","3","6","1") = "5"
    & skf21("6","6","1","4","4","3","7","1") = "6"
    & skf21("6","6","1","4","4","4","1","1") = "5"
    & skf21("6","6","1","4","4","4","2","1") = "5"
    & skf21("6","6","1","4","4","4","3","1") = "5"
    & skf21("6","6","1","4","4","4","4","1") = "5"
    & skf21("6","6","1","4","4","4","5","1") = "5"
    & skf21("6","6","1","4","4","4","6","1") = "5"
    & skf21("6","6","1","4","4","4","7","1") = "6"
    & skf21("6","6","1","4","4","5","1","1") = "5"
    & skf21("6","6","1","4","4","5","2","1") = "5"
    & skf21("6","6","1","4","4","5","3","1") = "5"
    & skf21("6","6","1","4","4","5","4","1") = "5"
    & skf21("6","6","1","4","4","5","5","1") = "5"
    & skf21("6","6","1","4","4","5","6","1") = "5"
    & skf21("6","6","1","4","4","5","7","1") = "6"
    & skf21("6","6","1","4","4","6","1","1") = "5"
    & skf21("6","6","1","4","4","6","2","1") = "5"
    & skf21("6","6","1","4","4","6","3","1") = "5"
    & skf21("6","6","1","4","4","6","4","1") = "5"
    & skf21("6","6","1","4","4","6","5","1") = "5"
    & skf21("6","6","1","4","4","6","6","1") = "5"
    & skf21("6","6","1","4","4","6","7","1") = "6"
    & skf21("6","6","1","4","4","7","1","1") = "6"
    & skf21("6","6","1","4","4","7","2","1") = "6"
    & skf21("6","6","1","4","4","7","3","1") = "6"
    & skf21("6","6","1","4","4","7","4","1") = "6"
    & skf21("6","6","1","4","4","7","5","1") = "6"
    & skf21("6","6","1","4","4","7","6","1") = "6"
    & skf21("6","6","1","4","4","7","7","1") = "6"
    & skf21("6","6","1","4","5","1","1","1") = "5"
    & skf21("6","6","1","4","5","1","2","1") = "5"
    & skf21("6","6","1","4","5","1","3","1") = "5"
    & skf21("6","6","1","4","5","1","4","1") = "5"
    & skf21("6","6","1","4","5","1","5","1") = "5"
    & skf21("6","6","1","4","5","1","6","1") = "5"
    & skf21("6","6","1","4","5","1","7","1") = "6"
    & skf21("6","6","1","4","5","2","1","1") = "5"
    & skf21("6","6","1","4","5","2","2","1") = "5"
    & skf21("6","6","1","4","5","2","3","1") = "5"
    & skf21("6","6","1","4","5","2","4","1") = "5"
    & skf21("6","6","1","4","5","2","5","1") = "5"
    & skf21("6","6","1","4","5","2","6","1") = "5"
    & skf21("6","6","1","4","5","2","7","1") = "6"
    & skf21("6","6","1","4","5","3","1","1") = "5"
    & skf21("6","6","1","4","5","3","2","1") = "5"
    & skf21("6","6","1","4","5","3","3","1") = "5"
    & skf21("6","6","1","4","5","3","4","1") = "5"
    & skf21("6","6","1","4","5","3","5","1") = "5"
    & skf21("6","6","1","4","5","3","6","1") = "5"
    & skf21("6","6","1","4","5","3","7","1") = "6"
    & skf21("6","6","1","4","5","4","1","1") = "5"
    & skf21("6","6","1","4","5","4","2","1") = "5"
    & skf21("6","6","1","4","5","4","3","1") = "5"
    & skf21("6","6","1","4","5","4","4","1") = "5"
    & skf21("6","6","1","4","5","4","5","1") = "5"
    & skf21("6","6","1","4","5","4","6","1") = "5"
    & skf21("6","6","1","4","5","4","7","1") = "6"
    & skf21("6","6","1","4","5","5","1","1") = "5"
    & skf21("6","6","1","4","5","5","2","1") = "5"
    & skf21("6","6","1","4","5","5","3","1") = "5"
    & skf21("6","6","1","4","5","5","4","1") = "5"
    & skf21("6","6","1","4","5","5","5","1") = "5"
    & skf21("6","6","1","4","5","5","6","1") = "5"
    & skf21("6","6","1","4","5","5","7","1") = "6"
    & skf21("6","6","1","4","5","6","1","1") = "5"
    & skf21("6","6","1","4","5","6","2","1") = "5"
    & skf21("6","6","1","4","5","6","3","1") = "5"
    & skf21("6","6","1","4","5","6","4","1") = "5"
    & skf21("6","6","1","4","5","6","5","1") = "5"
    & skf21("6","6","1","4","5","6","6","1") = "5"
    & skf21("6","6","1","4","5","6","7","1") = "6"
    & skf21("6","6","1","4","5","7","1","1") = "6"
    & skf21("6","6","1","4","5","7","2","1") = "6"
    & skf21("6","6","1","4","5","7","3","1") = "6"
    & skf21("6","6","1","4","5","7","4","1") = "6"
    & skf21("6","6","1","4","5","7","5","1") = "6"
    & skf21("6","6","1","4","5","7","6","1") = "6"
    & skf21("6","6","1","4","5","7","7","1") = "6"
    & skf21("6","6","1","4","6","1","1","1") = "5"
    & skf21("6","6","1","4","6","1","2","1") = "5"
    & skf21("6","6","1","4","6","1","3","1") = "5"
    & skf21("6","6","1","4","6","1","4","1") = "5"
    & skf21("6","6","1","4","6","1","5","1") = "5"
    & skf21("6","6","1","4","6","1","6","1") = "5"
    & skf21("6","6","1","4","6","1","7","1") = "6"
    & skf21("6","6","1","4","6","2","1","1") = "5"
    & skf21("6","6","1","4","6","2","2","1") = "5"
    & skf21("6","6","1","4","6","2","3","1") = "5"
    & skf21("6","6","1","4","6","2","4","1") = "5"
    & skf21("6","6","1","4","6","2","5","1") = "5"
    & skf21("6","6","1","4","6","2","6","1") = "5"
    & skf21("6","6","1","4","6","2","7","1") = "6"
    & skf21("6","6","1","4","6","3","1","1") = "5"
    & skf21("6","6","1","4","6","3","2","1") = "5"
    & skf21("6","6","1","4","6","3","3","1") = "5"
    & skf21("6","6","1","4","6","3","4","1") = "5"
    & skf21("6","6","1","4","6","3","5","1") = "5"
    & skf21("6","6","1","4","6","3","6","1") = "5"
    & skf21("6","6","1","4","6","3","7","1") = "6"
    & skf21("6","6","1","4","6","4","1","1") = "5"
    & skf21("6","6","1","4","6","4","2","1") = "5"
    & skf21("6","6","1","4","6","4","3","1") = "5"
    & skf21("6","6","1","4","6","4","4","1") = "5"
    & skf21("6","6","1","4","6","4","5","1") = "5"
    & skf21("6","6","1","4","6","4","6","1") = "5"
    & skf21("6","6","1","4","6","4","7","1") = "6"
    & skf21("6","6","1","4","6","5","1","1") = "5"
    & skf21("6","6","1","4","6","5","2","1") = "5"
    & skf21("6","6","1","4","6","5","3","1") = "5"
    & skf21("6","6","1","4","6","5","4","1") = "5"
    & skf21("6","6","1","4","6","5","5","1") = "5"
    & skf21("6","6","1","4","6","5","6","1") = "5"
    & skf21("6","6","1","4","6","5","7","1") = "6"
    & skf21("6","6","1","4","6","6","1","1") = "5"
    & skf21("6","6","1","4","6","6","2","1") = "5"
    & skf21("6","6","1","4","6","6","3","1") = "5"
    & skf21("6","6","1","4","6","6","4","1") = "5"
    & skf21("6","6","1","4","6","6","5","1") = "5"
    & skf21("6","6","1","4","6","6","6","1") = "5"
    & skf21("6","6","1","4","6","6","7","1") = "6"
    & skf21("6","6","1","4","6","7","1","1") = "6"
    & skf21("6","6","1","4","6","7","2","1") = "6"
    & skf21("6","6","1","4","6","7","3","1") = "6"
    & skf21("6","6","1","4","6","7","4","1") = "6"
    & skf21("6","6","1","4","6","7","5","1") = "6"
    & skf21("6","6","1","4","6","7","6","1") = "6"
    & skf21("6","6","1","4","6","7","7","1") = "6"
    & skf21("6","6","1","4","7","1","1","1") = "6"
    & skf21("6","6","1","4","7","1","2","1") = "6"
    & skf21("6","6","1","4","7","1","3","1") = "6"
    & skf21("6","6","1","4","7","1","4","1") = "6"
    & skf21("6","6","1","4","7","1","5","1") = "6"
    & skf21("6","6","1","4","7","1","6","1") = "6"
    & skf21("6","6","1","4","7","1","7","1") = "6"
    & skf21("6","6","1","4","7","2","1","1") = "6"
    & skf21("6","6","1","4","7","2","2","1") = "6"
    & skf21("6","6","1","4","7","2","3","1") = "6"
    & skf21("6","6","1","4","7","2","4","1") = "6"
    & skf21("6","6","1","4","7","2","5","1") = "6"
    & skf21("6","6","1","4","7","2","6","1") = "6"
    & skf21("6","6","1","4","7","2","7","1") = "6"
    & skf21("6","6","1","4","7","3","1","1") = "6"
    & skf21("6","6","1","4","7","3","2","1") = "6"
    & skf21("6","6","1","4","7","3","3","1") = "6"
    & skf21("6","6","1","4","7","3","4","1") = "6"
    & skf21("6","6","1","4","7","3","5","1") = "6"
    & skf21("6","6","1","4","7","3","6","1") = "6"
    & skf21("6","6","1","4","7","3","7","1") = "6"
    & skf21("6","6","1","4","7","4","1","1") = "6"
    & skf21("6","6","1","4","7","4","2","1") = "6"
    & skf21("6","6","1","4","7","4","3","1") = "6"
    & skf21("6","6","1","4","7","4","4","1") = "6"
    & skf21("6","6","1","4","7","4","5","1") = "6"
    & skf21("6","6","1","4","7","4","6","1") = "6"
    & skf21("6","6","1","4","7","4","7","1") = "6"
    & skf21("6","6","1","4","7","5","1","1") = "6"
    & skf21("6","6","1","4","7","5","2","1") = "6"
    & skf21("6","6","1","4","7","5","3","1") = "6"
    & skf21("6","6","1","4","7","5","4","1") = "6"
    & skf21("6","6","1","4","7","5","5","1") = "6"
    & skf21("6","6","1","4","7","5","6","1") = "6"
    & skf21("6","6","1","4","7","5","7","1") = "6"
    & skf21("6","6","1","4","7","6","1","1") = "6"
    & skf21("6","6","1","4","7","6","2","1") = "6"
    & skf21("6","6","1","4","7","6","3","1") = "6"
    & skf21("6","6","1","4","7","6","4","1") = "6"
    & skf21("6","6","1","4","7","6","5","1") = "6"
    & skf21("6","6","1","4","7","6","6","1") = "6"
    & skf21("6","6","1","4","7","6","7","1") = "6"
    & skf21("6","6","1","4","7","7","1","1") = "6"
    & skf21("6","6","1","4","7","7","2","1") = "6"
    & skf21("6","6","1","4","7","7","3","1") = "6"
    & skf21("6","6","1","4","7","7","4","1") = "6"
    & skf21("6","6","1","4","7","7","5","1") = "6"
    & skf21("6","6","1","4","7","7","6","1") = "6"
    & skf21("6","6","1","4","7","7","7","1") = "6"
    & skf21("6","6","1","5","1","1","1","1") = "5"
    & skf21("6","6","1","5","1","1","2","1") = "5"
    & skf21("6","6","1","5","1","1","3","1") = "5"
    & skf21("6","6","1","5","1","1","4","1") = "5"
    & skf21("6","6","1","5","1","1","5","1") = "5"
    & skf21("6","6","1","5","1","1","6","1") = "5"
    & skf21("6","6","1","5","1","1","7","1") = "6"
    & skf21("6","6","1","5","1","2","1","1") = "5"
    & skf21("6","6","1","5","1","2","2","1") = "5"
    & skf21("6","6","1","5","1","2","3","1") = "5"
    & skf21("6","6","1","5","1","2","4","1") = "5"
    & skf21("6","6","1","5","1","2","5","1") = "5"
    & skf21("6","6","1","5","1","2","6","1") = "5"
    & skf21("6","6","1","5","1","2","7","1") = "6"
    & skf21("6","6","1","5","1","3","1","1") = "5"
    & skf21("6","6","1","5","1","3","2","1") = "5"
    & skf21("6","6","1","5","1","3","3","1") = "5"
    & skf21("6","6","1","5","1","3","4","1") = "5"
    & skf21("6","6","1","5","1","3","5","1") = "5"
    & skf21("6","6","1","5","1","3","6","1") = "5"
    & skf21("6","6","1","5","1","3","7","1") = "6"
    & skf21("6","6","1","5","1","4","1","1") = "5"
    & skf21("6","6","1","5","1","4","2","1") = "5"
    & skf21("6","6","1","5","1","4","3","1") = "5"
    & skf21("6","6","1","5","1","4","4","1") = "5"
    & skf21("6","6","1","5","1","4","5","1") = "5"
    & skf21("6","6","1","5","1","4","6","1") = "5"
    & skf21("6","6","1","5","1","4","7","1") = "6"
    & skf21("6","6","1","5","1","5","1","1") = "5"
    & skf21("6","6","1","5","1","5","2","1") = "5"
    & skf21("6","6","1","5","1","5","3","1") = "5"
    & skf21("6","6","1","5","1","5","4","1") = "5"
    & skf21("6","6","1","5","1","5","5","1") = "5"
    & skf21("6","6","1","5","1","5","6","1") = "5"
    & skf21("6","6","1","5","1","5","7","1") = "6"
    & skf21("6","6","1","5","1","6","1","1") = "5"
    & skf21("6","6","1","5","1","6","2","1") = "5"
    & skf21("6","6","1","5","1","6","3","1") = "5"
    & skf21("6","6","1","5","1","6","4","1") = "5"
    & skf21("6","6","1","5","1","6","5","1") = "5"
    & skf21("6","6","1","5","1","6","6","1") = "5"
    & skf21("6","6","1","5","1","6","7","1") = "6"
    & skf21("6","6","1","5","1","7","1","1") = "6"
    & skf21("6","6","1","5","1","7","2","1") = "6"
    & skf21("6","6","1","5","1","7","3","1") = "6"
    & skf21("6","6","1","5","1","7","4","1") = "6"
    & skf21("6","6","1","5","1","7","5","1") = "6"
    & skf21("6","6","1","5","1","7","6","1") = "6"
    & skf21("6","6","1","5","1","7","7","1") = "6"
    & skf21("6","6","1","5","2","1","1","1") = "5"
    & skf21("6","6","1","5","2","1","2","1") = "5"
    & skf21("6","6","1","5","2","1","3","1") = "5"
    & skf21("6","6","1","5","2","1","4","1") = "5"
    & skf21("6","6","1","5","2","1","5","1") = "5"
    & skf21("6","6","1","5","2","1","6","1") = "5"
    & skf21("6","6","1","5","2","1","7","1") = "6"
    & skf21("6","6","1","5","2","2","1","1") = "5"
    & skf21("6","6","1","5","2","2","2","1") = "5"
    & skf21("6","6","1","5","2","2","3","1") = "5"
    & skf21("6","6","1","5","2","2","4","1") = "5"
    & skf21("6","6","1","5","2","2","5","1") = "5"
    & skf21("6","6","1","5","2","2","6","1") = "5"
    & skf21("6","6","1","5","2","2","7","1") = "6"
    & skf21("6","6","1","5","2","3","1","1") = "5"
    & skf21("6","6","1","5","2","3","2","1") = "5"
    & skf21("6","6","1","5","2","3","3","1") = "5"
    & skf21("6","6","1","5","2","3","4","1") = "5"
    & skf21("6","6","1","5","2","3","5","1") = "5"
    & skf21("6","6","1","5","2","3","6","1") = "5"
    & skf21("6","6","1","5","2","3","7","1") = "6"
    & skf21("6","6","1","5","2","4","1","1") = "5"
    & skf21("6","6","1","5","2","4","2","1") = "5"
    & skf21("6","6","1","5","2","4","3","1") = "5"
    & skf21("6","6","1","5","2","4","4","1") = "5"
    & skf21("6","6","1","5","2","4","5","1") = "5"
    & skf21("6","6","1","5","2","4","6","1") = "5"
    & skf21("6","6","1","5","2","4","7","1") = "6"
    & skf21("6","6","1","5","2","5","1","1") = "5"
    & skf21("6","6","1","5","2","5","2","1") = "5"
    & skf21("6","6","1","5","2","5","3","1") = "5"
    & skf21("6","6","1","5","2","5","4","1") = "5"
    & skf21("6","6","1","5","2","5","5","1") = "5"
    & skf21("6","6","1","5","2","5","6","1") = "5"
    & skf21("6","6","1","5","2","5","7","1") = "6"
    & skf21("6","6","1","5","2","6","1","1") = "5"
    & skf21("6","6","1","5","2","6","2","1") = "5"
    & skf21("6","6","1","5","2","6","3","1") = "5"
    & skf21("6","6","1","5","2","6","4","1") = "5"
    & skf21("6","6","1","5","2","6","5","1") = "5"
    & skf21("6","6","1","5","2","6","6","1") = "5"
    & skf21("6","6","1","5","2","6","7","1") = "6"
    & skf21("6","6","1","5","2","7","1","1") = "6"
    & skf21("6","6","1","5","2","7","2","1") = "6"
    & skf21("6","6","1","5","2","7","3","1") = "6"
    & skf21("6","6","1","5","2","7","4","1") = "6"
    & skf21("6","6","1","5","2","7","5","1") = "6"
    & skf21("6","6","1","5","2","7","6","1") = "6"
    & skf21("6","6","1","5","2","7","7","1") = "6"
    & skf21("6","6","1","5","3","1","1","1") = "5"
    & skf21("6","6","1","5","3","1","2","1") = "5"
    & skf21("6","6","1","5","3","1","3","1") = "5"
    & skf21("6","6","1","5","3","1","4","1") = "5"
    & skf21("6","6","1","5","3","1","5","1") = "5"
    & skf21("6","6","1","5","3","1","6","1") = "5"
    & skf21("6","6","1","5","3","1","7","1") = "6"
    & skf21("6","6","1","5","3","2","1","1") = "5"
    & skf21("6","6","1","5","3","2","2","1") = "5"
    & skf21("6","6","1","5","3","2","3","1") = "5"
    & skf21("6","6","1","5","3","2","4","1") = "5"
    & skf21("6","6","1","5","3","2","5","1") = "5"
    & skf21("6","6","1","5","3","2","6","1") = "5"
    & skf21("6","6","1","5","3","2","7","1") = "6"
    & skf21("6","6","1","5","3","3","1","1") = "5"
    & skf21("6","6","1","5","3","3","2","1") = "5"
    & skf21("6","6","1","5","3","3","3","1") = "5"
    & skf21("6","6","1","5","3","3","4","1") = "5"
    & skf21("6","6","1","5","3","3","5","1") = "5"
    & skf21("6","6","1","5","3","3","6","1") = "5"
    & skf21("6","6","1","5","3","3","7","1") = "6"
    & skf21("6","6","1","5","3","4","1","1") = "5"
    & skf21("6","6","1","5","3","4","2","1") = "5"
    & skf21("6","6","1","5","3","4","3","1") = "5"
    & skf21("6","6","1","5","3","4","4","1") = "5"
    & skf21("6","6","1","5","3","4","5","1") = "5"
    & skf21("6","6","1","5","3","4","6","1") = "5"
    & skf21("6","6","1","5","3","4","7","1") = "6"
    & skf21("6","6","1","5","3","5","1","1") = "5"
    & skf21("6","6","1","5","3","5","2","1") = "5"
    & skf21("6","6","1","5","3","5","3","1") = "5"
    & skf21("6","6","1","5","3","5","4","1") = "5"
    & skf21("6","6","1","5","3","5","5","1") = "5"
    & skf21("6","6","1","5","3","5","6","1") = "5"
    & skf21("6","6","1","5","3","5","7","1") = "6"
    & skf21("6","6","1","5","3","6","1","1") = "5"
    & skf21("6","6","1","5","3","6","2","1") = "5"
    & skf21("6","6","1","5","3","6","3","1") = "5"
    & skf21("6","6","1","5","3","6","4","1") = "5"
    & skf21("6","6","1","5","3","6","5","1") = "5"
    & skf21("6","6","1","5","3","6","6","1") = "5"
    & skf21("6","6","1","5","3","6","7","1") = "6"
    & skf21("6","6","1","5","3","7","1","1") = "6"
    & skf21("6","6","1","5","3","7","2","1") = "6"
    & skf21("6","6","1","5","3","7","3","1") = "6"
    & skf21("6","6","1","5","3","7","4","1") = "6"
    & skf21("6","6","1","5","3","7","5","1") = "6"
    & skf21("6","6","1","5","3","7","6","1") = "6"
    & skf21("6","6","1","5","3","7","7","1") = "6"
    & skf21("6","6","1","5","4","1","1","1") = "5"
    & skf21("6","6","1","5","4","1","2","1") = "5"
    & skf21("6","6","1","5","4","1","3","1") = "5"
    & skf21("6","6","1","5","4","1","4","1") = "5"
    & skf21("6","6","1","5","4","1","5","1") = "5"
    & skf21("6","6","1","5","4","1","6","1") = "5"
    & skf21("6","6","1","5","4","1","7","1") = "6"
    & skf21("6","6","1","5","4","2","1","1") = "5"
    & skf21("6","6","1","5","4","2","2","1") = "5"
    & skf21("6","6","1","5","4","2","3","1") = "5"
    & skf21("6","6","1","5","4","2","4","1") = "5"
    & skf21("6","6","1","5","4","2","5","1") = "5"
    & skf21("6","6","1","5","4","2","6","1") = "5"
    & skf21("6","6","1","5","4","2","7","1") = "6"
    & skf21("6","6","1","5","4","3","1","1") = "5"
    & skf21("6","6","1","5","4","3","2","1") = "5"
    & skf21("6","6","1","5","4","3","3","1") = "5"
    & skf21("6","6","1","5","4","3","4","1") = "5"
    & skf21("6","6","1","5","4","3","5","1") = "5"
    & skf21("6","6","1","5","4","3","6","1") = "5"
    & skf21("6","6","1","5","4","3","7","1") = "6"
    & skf21("6","6","1","5","4","4","1","1") = "5"
    & skf21("6","6","1","5","4","4","2","1") = "5"
    & skf21("6","6","1","5","4","4","3","1") = "5"
    & skf21("6","6","1","5","4","4","4","1") = "5"
    & skf21("6","6","1","5","4","4","5","1") = "5"
    & skf21("6","6","1","5","4","4","6","1") = "5"
    & skf21("6","6","1","5","4","4","7","1") = "6"
    & skf21("6","6","1","5","4","5","1","1") = "5"
    & skf21("6","6","1","5","4","5","2","1") = "5"
    & skf21("6","6","1","5","4","5","3","1") = "5"
    & skf21("6","6","1","5","4","5","4","1") = "5"
    & skf21("6","6","1","5","4","5","5","1") = "5"
    & skf21("6","6","1","5","4","5","6","1") = "5"
    & skf21("6","6","1","5","4","5","7","1") = "6"
    & skf21("6","6","1","5","4","6","1","1") = "5"
    & skf21("6","6","1","5","4","6","2","1") = "5"
    & skf21("6","6","1","5","4","6","3","1") = "5"
    & skf21("6","6","1","5","4","6","4","1") = "5"
    & skf21("6","6","1","5","4","6","5","1") = "5"
    & skf21("6","6","1","5","4","6","6","1") = "5"
    & skf21("6","6","1","5","4","6","7","1") = "6"
    & skf21("6","6","1","5","4","7","1","1") = "6"
    & skf21("6","6","1","5","4","7","2","1") = "6"
    & skf21("6","6","1","5","4","7","3","1") = "6"
    & skf21("6","6","1","5","4","7","4","1") = "6"
    & skf21("6","6","1","5","4","7","5","1") = "6"
    & skf21("6","6","1","5","4","7","6","1") = "6"
    & skf21("6","6","1","5","4","7","7","1") = "6"
    & skf21("6","6","1","5","5","1","1","1") = "5"
    & skf21("6","6","1","5","5","1","2","1") = "5"
    & skf21("6","6","1","5","5","1","3","1") = "5"
    & skf21("6","6","1","5","5","1","4","1") = "5"
    & skf21("6","6","1","5","5","1","5","1") = "5"
    & skf21("6","6","1","5","5","1","6","1") = "5"
    & skf21("6","6","1","5","5","1","7","1") = "6"
    & skf21("6","6","1","5","5","2","1","1") = "5"
    & skf21("6","6","1","5","5","2","2","1") = "5"
    & skf21("6","6","1","5","5","2","3","1") = "5"
    & skf21("6","6","1","5","5","2","4","1") = "5"
    & skf21("6","6","1","5","5","2","5","1") = "5"
    & skf21("6","6","1","5","5","2","6","1") = "5"
    & skf21("6","6","1","5","5","2","7","1") = "6"
    & skf21("6","6","1","5","5","3","1","1") = "5"
    & skf21("6","6","1","5","5","3","2","1") = "5"
    & skf21("6","6","1","5","5","3","3","1") = "5"
    & skf21("6","6","1","5","5","3","4","1") = "5"
    & skf21("6","6","1","5","5","3","5","1") = "5"
    & skf21("6","6","1","5","5","3","6","1") = "5"
    & skf21("6","6","1","5","5","3","7","1") = "6"
    & skf21("6","6","1","5","5","4","1","1") = "5"
    & skf21("6","6","1","5","5","4","2","1") = "5"
    & skf21("6","6","1","5","5","4","3","1") = "5"
    & skf21("6","6","1","5","5","4","4","1") = "5"
    & skf21("6","6","1","5","5","4","5","1") = "5"
    & skf21("6","6","1","5","5","4","6","1") = "5"
    & skf21("6","6","1","5","5","4","7","1") = "6"
    & skf21("6","6","1","5","5","5","1","1") = "5"
    & skf21("6","6","1","5","5","5","2","1") = "5"
    & skf21("6","6","1","5","5","5","3","1") = "5"
    & skf21("6","6","1","5","5","5","4","1") = "5"
    & skf21("6","6","1","5","5","5","5","1") = "5"
    & skf21("6","6","1","5","5","5","6","1") = "5"
    & skf21("6","6","1","5","5","5","7","1") = "6"
    & skf21("6","6","1","5","5","6","1","1") = "5"
    & skf21("6","6","1","5","5","6","2","1") = "5"
    & skf21("6","6","1","5","5","6","3","1") = "5"
    & skf21("6","6","1","5","5","6","4","1") = "5"
    & skf21("6","6","1","5","5","6","5","1") = "5"
    & skf21("6","6","1","5","5","6","6","1") = "5"
    & skf21("6","6","1","5","5","6","7","1") = "6"
    & skf21("6","6","1","5","5","7","1","1") = "6"
    & skf21("6","6","1","5","5","7","2","1") = "6"
    & skf21("6","6","1","5","5","7","3","1") = "6"
    & skf21("6","6","1","5","5","7","4","1") = "6"
    & skf21("6","6","1","5","5","7","5","1") = "6"
    & skf21("6","6","1","5","5","7","6","1") = "6"
    & skf21("6","6","1","5","5","7","7","1") = "6"
    & skf21("6","6","1","5","6","1","1","1") = "5"
    & skf21("6","6","1","5","6","1","2","1") = "5"
    & skf21("6","6","1","5","6","1","3","1") = "5"
    & skf21("6","6","1","5","6","1","4","1") = "5"
    & skf21("6","6","1","5","6","1","5","1") = "5"
    & skf21("6","6","1","5","6","1","6","1") = "5"
    & skf21("6","6","1","5","6","1","7","1") = "6"
    & skf21("6","6","1","5","6","2","1","1") = "5"
    & skf21("6","6","1","5","6","2","2","1") = "5"
    & skf21("6","6","1","5","6","2","3","1") = "5"
    & skf21("6","6","1","5","6","2","4","1") = "5"
    & skf21("6","6","1","5","6","2","5","1") = "5"
    & skf21("6","6","1","5","6","2","6","1") = "5"
    & skf21("6","6","1","5","6","2","7","1") = "6"
    & skf21("6","6","1","5","6","3","1","1") = "5"
    & skf21("6","6","1","5","6","3","2","1") = "5"
    & skf21("6","6","1","5","6","3","3","1") = "5"
    & skf21("6","6","1","5","6","3","4","1") = "5"
    & skf21("6","6","1","5","6","3","5","1") = "5"
    & skf21("6","6","1","5","6","3","6","1") = "5"
    & skf21("6","6","1","5","6","3","7","1") = "6"
    & skf21("6","6","1","5","6","4","1","1") = "5"
    & skf21("6","6","1","5","6","4","2","1") = "5"
    & skf21("6","6","1","5","6","4","3","1") = "5"
    & skf21("6","6","1","5","6","4","4","1") = "5"
    & skf21("6","6","1","5","6","4","5","1") = "5"
    & skf21("6","6","1","5","6","4","6","1") = "5"
    & skf21("6","6","1","5","6","4","7","1") = "6"
    & skf21("6","6","1","5","6","5","1","1") = "5"
    & skf21("6","6","1","5","6","5","2","1") = "5"
    & skf21("6","6","1","5","6","5","3","1") = "5"
    & skf21("6","6","1","5","6","5","4","1") = "5"
    & skf21("6","6","1","5","6","5","5","1") = "5"
    & skf21("6","6","1","5","6","5","6","1") = "5"
    & skf21("6","6","1","5","6","5","7","1") = "6"
    & skf21("6","6","1","5","6","6","1","1") = "5"
    & skf21("6","6","1","5","6","6","2","1") = "5"
    & skf21("6","6","1","5","6","6","3","1") = "5"
    & skf21("6","6","1","5","6","6","4","1") = "5"
    & skf21("6","6","1","5","6","6","5","1") = "5"
    & skf21("6","6","1","5","6","6","6","1") = "5"
    & skf21("6","6","1","5","6","6","7","1") = "6"
    & skf21("6","6","1","5","6","7","1","1") = "6"
    & skf21("6","6","1","5","6","7","2","1") = "6"
    & skf21("6","6","1","5","6","7","3","1") = "6"
    & skf21("6","6","1","5","6","7","4","1") = "6"
    & skf21("6","6","1","5","6","7","5","1") = "6"
    & skf21("6","6","1","5","6","7","6","1") = "6"
    & skf21("6","6","1","5","6","7","7","1") = "6"
    & skf21("6","6","1","5","7","1","1","1") = "6"
    & skf21("6","6","1","5","7","1","2","1") = "6"
    & skf21("6","6","1","5","7","1","3","1") = "6"
    & skf21("6","6","1","5","7","1","4","1") = "6"
    & skf21("6","6","1","5","7","1","5","1") = "6"
    & skf21("6","6","1","5","7","1","6","1") = "6"
    & skf21("6","6","1","5","7","1","7","1") = "6"
    & skf21("6","6","1","5","7","2","1","1") = "6"
    & skf21("6","6","1","5","7","2","2","1") = "6"
    & skf21("6","6","1","5","7","2","3","1") = "6"
    & skf21("6","6","1","5","7","2","4","1") = "6"
    & skf21("6","6","1","5","7","2","5","1") = "6"
    & skf21("6","6","1","5","7","2","6","1") = "6"
    & skf21("6","6","1","5","7","2","7","1") = "6"
    & skf21("6","6","1","5","7","3","1","1") = "6"
    & skf21("6","6","1","5","7","3","2","1") = "6"
    & skf21("6","6","1","5","7","3","3","1") = "6"
    & skf21("6","6","1","5","7","3","4","1") = "6"
    & skf21("6","6","1","5","7","3","5","1") = "6"
    & skf21("6","6","1","5","7","3","6","1") = "6"
    & skf21("6","6","1","5","7","3","7","1") = "6"
    & skf21("6","6","1","5","7","4","1","1") = "6"
    & skf21("6","6","1","5","7","4","2","1") = "6"
    & skf21("6","6","1","5","7","4","3","1") = "6"
    & skf21("6","6","1","5","7","4","4","1") = "6"
    & skf21("6","6","1","5","7","4","5","1") = "6"
    & skf21("6","6","1","5","7","4","6","1") = "6"
    & skf21("6","6","1","5","7","4","7","1") = "6"
    & skf21("6","6","1","5","7","5","1","1") = "6"
    & skf21("6","6","1","5","7","5","2","1") = "6"
    & skf21("6","6","1","5","7","5","3","1") = "6"
    & skf21("6","6","1","5","7","5","4","1") = "6"
    & skf21("6","6","1","5","7","5","5","1") = "6"
    & skf21("6","6","1","5","7","5","6","1") = "6"
    & skf21("6","6","1","5","7","5","7","1") = "6"
    & skf21("6","6","1","5","7","6","1","1") = "6"
    & skf21("6","6","1","5","7","6","2","1") = "6"
    & skf21("6","6","1","5","7","6","3","1") = "6"
    & skf21("6","6","1","5","7","6","4","1") = "6"
    & skf21("6","6","1","5","7","6","5","1") = "6"
    & skf21("6","6","1","5","7","6","6","1") = "6"
    & skf21("6","6","1","5","7","6","7","1") = "6"
    & skf21("6","6","1","5","7","7","1","1") = "6"
    & skf21("6","6","1","5","7","7","2","1") = "6"
    & skf21("6","6","1","5","7","7","3","1") = "6"
    & skf21("6","6","1","5","7","7","4","1") = "6"
    & skf21("6","6","1","5","7","7","5","1") = "6"
    & skf21("6","6","1","5","7","7","6","1") = "6"
    & skf21("6","6","1","5","7","7","7","1") = "6"
    & skf21("6","6","1","6","1","1","1","1") = "5"
    & skf21("6","6","1","6","1","1","2","1") = "5"
    & skf21("6","6","1","6","1","1","3","1") = "5"
    & skf21("6","6","1","6","1","1","4","1") = "5"
    & skf21("6","6","1","6","1","1","5","1") = "5"
    & skf21("6","6","1","6","1","1","6","1") = "5"
    & skf21("6","6","1","6","1","1","7","1") = "6"
    & skf21("6","6","1","6","1","2","1","1") = "5"
    & skf21("6","6","1","6","1","2","2","1") = "5"
    & skf21("6","6","1","6","1","2","3","1") = "5"
    & skf21("6","6","1","6","1","2","4","1") = "5"
    & skf21("6","6","1","6","1","2","5","1") = "5"
    & skf21("6","6","1","6","1","2","6","1") = "5"
    & skf21("6","6","1","6","1","2","7","1") = "6"
    & skf21("6","6","1","6","1","3","1","1") = "5"
    & skf21("6","6","1","6","1","3","2","1") = "5"
    & skf21("6","6","1","6","1","3","3","1") = "5"
    & skf21("6","6","1","6","1","3","4","1") = "5"
    & skf21("6","6","1","6","1","3","5","1") = "5"
    & skf21("6","6","1","6","1","3","6","1") = "5"
    & skf21("6","6","1","6","1","3","7","1") = "6"
    & skf21("6","6","1","6","1","4","1","1") = "5"
    & skf21("6","6","1","6","1","4","2","1") = "5"
    & skf21("6","6","1","6","1","4","3","1") = "5"
    & skf21("6","6","1","6","1","4","4","1") = "5"
    & skf21("6","6","1","6","1","4","5","1") = "5"
    & skf21("6","6","1","6","1","4","6","1") = "5"
    & skf21("6","6","1","6","1","4","7","1") = "6"
    & skf21("6","6","1","6","1","5","1","1") = "5"
    & skf21("6","6","1","6","1","5","2","1") = "5"
    & skf21("6","6","1","6","1","5","3","1") = "5"
    & skf21("6","6","1","6","1","5","4","1") = "5"
    & skf21("6","6","1","6","1","5","5","1") = "5"
    & skf21("6","6","1","6","1","5","6","1") = "5"
    & skf21("6","6","1","6","1","5","7","1") = "6"
    & skf21("6","6","1","6","1","6","1","1") = "5"
    & skf21("6","6","1","6","1","6","2","1") = "5"
    & skf21("6","6","1","6","1","6","3","1") = "5"
    & skf21("6","6","1","6","1","6","4","1") = "5"
    & skf21("6","6","1","6","1","6","5","1") = "5"
    & skf21("6","6","1","6","1","6","6","1") = "5"
    & skf21("6","6","1","6","1","6","7","1") = "6"
    & skf21("6","6","1","6","1","7","1","1") = "6"
    & skf21("6","6","1","6","1","7","2","1") = "6"
    & skf21("6","6","1","6","1","7","3","1") = "6"
    & skf21("6","6","1","6","1","7","4","1") = "6"
    & skf21("6","6","1","6","1","7","5","1") = "6"
    & skf21("6","6","1","6","1","7","6","1") = "6"
    & skf21("6","6","1","6","1","7","7","1") = "6"
    & skf21("6","6","1","6","2","1","1","1") = "5"
    & skf21("6","6","1","6","2","1","2","1") = "5"
    & skf21("6","6","1","6","2","1","3","1") = "5"
    & skf21("6","6","1","6","2","1","4","1") = "5"
    & skf21("6","6","1","6","2","1","5","1") = "5"
    & skf21("6","6","1","6","2","1","6","1") = "5"
    & skf21("6","6","1","6","2","1","7","1") = "6"
    & skf21("6","6","1","6","2","2","1","1") = "5"
    & skf21("6","6","1","6","2","2","2","1") = "5"
    & skf21("6","6","1","6","2","2","3","1") = "5"
    & skf21("6","6","1","6","2","2","4","1") = "5"
    & skf21("6","6","1","6","2","2","5","1") = "5"
    & skf21("6","6","1","6","2","2","6","1") = "5"
    & skf21("6","6","1","6","2","2","7","1") = "6"
    & skf21("6","6","1","6","2","3","1","1") = "5"
    & skf21("6","6","1","6","2","3","2","1") = "5"
    & skf21("6","6","1","6","2","3","3","1") = "5"
    & skf21("6","6","1","6","2","3","4","1") = "5"
    & skf21("6","6","1","6","2","3","5","1") = "5"
    & skf21("6","6","1","6","2","3","6","1") = "5"
    & skf21("6","6","1","6","2","3","7","1") = "6"
    & skf21("6","6","1","6","2","4","1","1") = "5"
    & skf21("6","6","1","6","2","4","2","1") = "5"
    & skf21("6","6","1","6","2","4","3","1") = "5"
    & skf21("6","6","1","6","2","4","4","1") = "5"
    & skf21("6","6","1","6","2","4","5","1") = "5"
    & skf21("6","6","1","6","2","4","6","1") = "5"
    & skf21("6","6","1","6","2","4","7","1") = "6"
    & skf21("6","6","1","6","2","5","1","1") = "5"
    & skf21("6","6","1","6","2","5","2","1") = "5"
    & skf21("6","6","1","6","2","5","3","1") = "5"
    & skf21("6","6","1","6","2","5","4","1") = "5"
    & skf21("6","6","1","6","2","5","5","1") = "5"
    & skf21("6","6","1","6","2","5","6","1") = "5"
    & skf21("6","6","1","6","2","5","7","1") = "6"
    & skf21("6","6","1","6","2","6","1","1") = "5"
    & skf21("6","6","1","6","2","6","2","1") = "5"
    & skf21("6","6","1","6","2","6","3","1") = "5"
    & skf21("6","6","1","6","2","6","4","1") = "5"
    & skf21("6","6","1","6","2","6","5","1") = "5"
    & skf21("6","6","1","6","2","6","6","1") = "5"
    & skf21("6","6","1","6","2","6","7","1") = "6"
    & skf21("6","6","1","6","2","7","1","1") = "6"
    & skf21("6","6","1","6","2","7","2","1") = "6"
    & skf21("6","6","1","6","2","7","3","1") = "6"
    & skf21("6","6","1","6","2","7","4","1") = "6"
    & skf21("6","6","1","6","2","7","5","1") = "6"
    & skf21("6","6","1","6","2","7","6","1") = "6"
    & skf21("6","6","1","6","2","7","7","1") = "6"
    & skf21("6","6","1","6","3","1","1","1") = "5"
    & skf21("6","6","1","6","3","1","2","1") = "5"
    & skf21("6","6","1","6","3","1","3","1") = "5"
    & skf21("6","6","1","6","3","1","4","1") = "5"
    & skf21("6","6","1","6","3","1","5","1") = "5"
    & skf21("6","6","1","6","3","1","6","1") = "5"
    & skf21("6","6","1","6","3","1","7","1") = "6"
    & skf21("6","6","1","6","3","2","1","1") = "5"
    & skf21("6","6","1","6","3","2","2","1") = "5"
    & skf21("6","6","1","6","3","2","3","1") = "5"
    & skf21("6","6","1","6","3","2","4","1") = "5"
    & skf21("6","6","1","6","3","2","5","1") = "5"
    & skf21("6","6","1","6","3","2","6","1") = "5"
    & skf21("6","6","1","6","3","2","7","1") = "6"
    & skf21("6","6","1","6","3","3","1","1") = "5"
    & skf21("6","6","1","6","3","3","2","1") = "5"
    & skf21("6","6","1","6","3","3","3","1") = "5"
    & skf21("6","6","1","6","3","3","4","1") = "5"
    & skf21("6","6","1","6","3","3","5","1") = "5"
    & skf21("6","6","1","6","3","3","6","1") = "5"
    & skf21("6","6","1","6","3","3","7","1") = "6"
    & skf21("6","6","1","6","3","4","1","1") = "5"
    & skf21("6","6","1","6","3","4","2","1") = "5"
    & skf21("6","6","1","6","3","4","3","1") = "5"
    & skf21("6","6","1","6","3","4","4","1") = "5"
    & skf21("6","6","1","6","3","4","5","1") = "5"
    & skf21("6","6","1","6","3","4","6","1") = "5"
    & skf21("6","6","1","6","3","4","7","1") = "6"
    & skf21("6","6","1","6","3","5","1","1") = "5"
    & skf21("6","6","1","6","3","5","2","1") = "5"
    & skf21("6","6","1","6","3","5","3","1") = "5"
    & skf21("6","6","1","6","3","5","4","1") = "5"
    & skf21("6","6","1","6","3","5","5","1") = "5"
    & skf21("6","6","1","6","3","5","6","1") = "5"
    & skf21("6","6","1","6","3","5","7","1") = "6"
    & skf21("6","6","1","6","3","6","1","1") = "5"
    & skf21("6","6","1","6","3","6","2","1") = "5"
    & skf21("6","6","1","6","3","6","3","1") = "5"
    & skf21("6","6","1","6","3","6","4","1") = "5"
    & skf21("6","6","1","6","3","6","5","1") = "5"
    & skf21("6","6","1","6","3","6","6","1") = "5"
    & skf21("6","6","1","6","3","6","7","1") = "6"
    & skf21("6","6","1","6","3","7","1","1") = "6"
    & skf21("6","6","1","6","3","7","2","1") = "6"
    & skf21("6","6","1","6","3","7","3","1") = "6"
    & skf21("6","6","1","6","3","7","4","1") = "6"
    & skf21("6","6","1","6","3","7","5","1") = "6"
    & skf21("6","6","1","6","3","7","6","1") = "6"
    & skf21("6","6","1","6","3","7","7","1") = "6"
    & skf21("6","6","1","6","4","1","1","1") = "5"
    & skf21("6","6","1","6","4","1","2","1") = "5"
    & skf21("6","6","1","6","4","1","3","1") = "5"
    & skf21("6","6","1","6","4","1","4","1") = "5"
    & skf21("6","6","1","6","4","1","5","1") = "5"
    & skf21("6","6","1","6","4","1","6","1") = "5"
    & skf21("6","6","1","6","4","1","7","1") = "6"
    & skf21("6","6","1","6","4","2","1","1") = "5"
    & skf21("6","6","1","6","4","2","2","1") = "5"
    & skf21("6","6","1","6","4","2","3","1") = "5"
    & skf21("6","6","1","6","4","2","4","1") = "5"
    & skf21("6","6","1","6","4","2","5","1") = "5"
    & skf21("6","6","1","6","4","2","6","1") = "5"
    & skf21("6","6","1","6","4","2","7","1") = "6"
    & skf21("6","6","1","6","4","3","1","1") = "5"
    & skf21("6","6","1","6","4","3","2","1") = "5"
    & skf21("6","6","1","6","4","3","3","1") = "5"
    & skf21("6","6","1","6","4","3","4","1") = "5"
    & skf21("6","6","1","6","4","3","5","1") = "5"
    & skf21("6","6","1","6","4","3","6","1") = "5"
    & skf21("6","6","1","6","4","3","7","1") = "6"
    & skf21("6","6","1","6","4","4","1","1") = "5"
    & skf21("6","6","1","6","4","4","2","1") = "5"
    & skf21("6","6","1","6","4","4","3","1") = "5"
    & skf21("6","6","1","6","4","4","4","1") = "5"
    & skf21("6","6","1","6","4","4","5","1") = "5"
    & skf21("6","6","1","6","4","4","6","1") = "5"
    & skf21("6","6","1","6","4","4","7","1") = "6"
    & skf21("6","6","1","6","4","5","1","1") = "5"
    & skf21("6","6","1","6","4","5","2","1") = "5"
    & skf21("6","6","1","6","4","5","3","1") = "5"
    & skf21("6","6","1","6","4","5","4","1") = "5"
    & skf21("6","6","1","6","4","5","5","1") = "5"
    & skf21("6","6","1","6","4","5","6","1") = "5"
    & skf21("6","6","1","6","4","5","7","1") = "6"
    & skf21("6","6","1","6","4","6","1","1") = "5"
    & skf21("6","6","1","6","4","6","2","1") = "5"
    & skf21("6","6","1","6","4","6","3","1") = "5"
    & skf21("6","6","1","6","4","6","4","1") = "5"
    & skf21("6","6","1","6","4","6","5","1") = "5"
    & skf21("6","6","1","6","4","6","6","1") = "5"
    & skf21("6","6","1","6","4","6","7","1") = "6"
    & skf21("6","6","1","6","4","7","1","1") = "6"
    & skf21("6","6","1","6","4","7","2","1") = "6"
    & skf21("6","6","1","6","4","7","3","1") = "6"
    & skf21("6","6","1","6","4","7","4","1") = "6"
    & skf21("6","6","1","6","4","7","5","1") = "6"
    & skf21("6","6","1","6","4","7","6","1") = "6"
    & skf21("6","6","1","6","4","7","7","1") = "6"
    & skf21("6","6","1","6","5","1","1","1") = "5"
    & skf21("6","6","1","6","5","1","2","1") = "5"
    & skf21("6","6","1","6","5","1","3","1") = "5"
    & skf21("6","6","1","6","5","1","4","1") = "5"
    & skf21("6","6","1","6","5","1","5","1") = "5"
    & skf21("6","6","1","6","5","1","6","1") = "5"
    & skf21("6","6","1","6","5","1","7","1") = "6"
    & skf21("6","6","1","6","5","2","1","1") = "5"
    & skf21("6","6","1","6","5","2","2","1") = "5"
    & skf21("6","6","1","6","5","2","3","1") = "5"
    & skf21("6","6","1","6","5","2","4","1") = "5"
    & skf21("6","6","1","6","5","2","5","1") = "5"
    & skf21("6","6","1","6","5","2","6","1") = "5"
    & skf21("6","6","1","6","5","2","7","1") = "6"
    & skf21("6","6","1","6","5","3","1","1") = "5"
    & skf21("6","6","1","6","5","3","2","1") = "5"
    & skf21("6","6","1","6","5","3","3","1") = "5"
    & skf21("6","6","1","6","5","3","4","1") = "5"
    & skf21("6","6","1","6","5","3","5","1") = "5"
    & skf21("6","6","1","6","5","3","6","1") = "5"
    & skf21("6","6","1","6","5","3","7","1") = "6"
    & skf21("6","6","1","6","5","4","1","1") = "5"
    & skf21("6","6","1","6","5","4","2","1") = "5"
    & skf21("6","6","1","6","5","4","3","1") = "5"
    & skf21("6","6","1","6","5","4","4","1") = "5"
    & skf21("6","6","1","6","5","4","5","1") = "5"
    & skf21("6","6","1","6","5","4","6","1") = "5"
    & skf21("6","6","1","6","5","4","7","1") = "6"
    & skf21("6","6","1","6","5","5","1","1") = "5"
    & skf21("6","6","1","6","5","5","2","1") = "5"
    & skf21("6","6","1","6","5","5","3","1") = "5"
    & skf21("6","6","1","6","5","5","4","1") = "5"
    & skf21("6","6","1","6","5","5","5","1") = "5"
    & skf21("6","6","1","6","5","5","6","1") = "5"
    & skf21("6","6","1","6","5","5","7","1") = "6"
    & skf21("6","6","1","6","5","6","1","1") = "5"
    & skf21("6","6","1","6","5","6","2","1") = "5"
    & skf21("6","6","1","6","5","6","3","1") = "5"
    & skf21("6","6","1","6","5","6","4","1") = "5"
    & skf21("6","6","1","6","5","6","5","1") = "5"
    & skf21("6","6","1","6","5","6","6","1") = "5"
    & skf21("6","6","1","6","5","6","7","1") = "6"
    & skf21("6","6","1","6","5","7","1","1") = "6"
    & skf21("6","6","1","6","5","7","2","1") = "6"
    & skf21("6","6","1","6","5","7","3","1") = "6"
    & skf21("6","6","1","6","5","7","4","1") = "6"
    & skf21("6","6","1","6","5","7","5","1") = "6"
    & skf21("6","6","1","6","5","7","6","1") = "6"
    & skf21("6","6","1","6","5","7","7","1") = "6"
    & skf21("6","6","1","6","6","1","1","1") = "5"
    & skf21("6","6","1","6","6","1","2","1") = "5"
    & skf21("6","6","1","6","6","1","3","1") = "5"
    & skf21("6","6","1","6","6","1","4","1") = "5"
    & skf21("6","6","1","6","6","1","5","1") = "5"
    & skf21("6","6","1","6","6","1","6","1") = "5"
    & skf21("6","6","1","6","6","1","7","1") = "6"
    & skf21("6","6","1","6","6","2","1","1") = "5"
    & skf21("6","6","1","6","6","2","2","1") = "5"
    & skf21("6","6","1","6","6","2","3","1") = "5"
    & skf21("6","6","1","6","6","2","4","1") = "5"
    & skf21("6","6","1","6","6","2","5","1") = "5"
    & skf21("6","6","1","6","6","2","6","1") = "5"
    & skf21("6","6","1","6","6","2","7","1") = "6"
    & skf21("6","6","1","6","6","3","1","1") = "5"
    & skf21("6","6","1","6","6","3","2","1") = "5"
    & skf21("6","6","1","6","6","3","3","1") = "5"
    & skf21("6","6","1","6","6","3","4","1") = "5"
    & skf21("6","6","1","6","6","3","5","1") = "5"
    & skf21("6","6","1","6","6","3","6","1") = "5"
    & skf21("6","6","1","6","6","3","7","1") = "6"
    & skf21("6","6","1","6","6","4","1","1") = "5"
    & skf21("6","6","1","6","6","4","2","1") = "5"
    & skf21("6","6","1","6","6","4","3","1") = "5"
    & skf21("6","6","1","6","6","4","4","1") = "5"
    & skf21("6","6","1","6","6","4","5","1") = "5"
    & skf21("6","6","1","6","6","4","6","1") = "5"
    & skf21("6","6","1","6","6","4","7","1") = "6"
    & skf21("6","6","1","6","6","5","1","1") = "5"
    & skf21("6","6","1","6","6","5","2","1") = "5"
    & skf21("6","6","1","6","6","5","3","1") = "5"
    & skf21("6","6","1","6","6","5","4","1") = "5"
    & skf21("6","6","1","6","6","5","5","1") = "5"
    & skf21("6","6","1","6","6","5","6","1") = "5"
    & skf21("6","6","1","6","6","5","7","1") = "6"
    & skf21("6","6","1","6","6","6","1","1") = "5"
    & skf21("6","6","1","6","6","6","2","1") = "5"
    & skf21("6","6","1","6","6","6","3","1") = "5"
    & skf21("6","6","1","6","6","6","4","1") = "5"
    & skf21("6","6","1","6","6","6","5","1") = "5"
    & skf21("6","6","1","6","6","6","6","1") = "5"
    & skf21("6","6","1","6","6","6","7","1") = "6"
    & skf21("6","6","1","6","6","7","1","1") = "6"
    & skf21("6","6","1","6","6","7","2","1") = "6"
    & skf21("6","6","1","6","6","7","3","1") = "6"
    & skf21("6","6","1","6","6","7","4","1") = "6"
    & skf21("6","6","1","6","6","7","5","1") = "6"
    & skf21("6","6","1","6","6","7","6","1") = "6"
    & skf21("6","6","1","6","6","7","7","1") = "6"
    & skf21("6","6","1","6","7","1","1","1") = "6"
    & skf21("6","6","1","6","7","1","2","1") = "6"
    & skf21("6","6","1","6","7","1","3","1") = "6"
    & skf21("6","6","1","6","7","1","4","1") = "6"
    & skf21("6","6","1","6","7","1","5","1") = "6"
    & skf21("6","6","1","6","7","1","6","1") = "6"
    & skf21("6","6","1","6","7","1","7","1") = "6"
    & skf21("6","6","1","6","7","2","1","1") = "6"
    & skf21("6","6","1","6","7","2","2","1") = "6"
    & skf21("6","6","1","6","7","2","3","1") = "6"
    & skf21("6","6","1","6","7","2","4","1") = "6"
    & skf21("6","6","1","6","7","2","5","1") = "6"
    & skf21("6","6","1","6","7","2","6","1") = "6"
    & skf21("6","6","1","6","7","2","7","1") = "6"
    & skf21("6","6","1","6","7","3","1","1") = "6"
    & skf21("6","6","1","6","7","3","2","1") = "6"
    & skf21("6","6","1","6","7","3","3","1") = "6"
    & skf21("6","6","1","6","7","3","4","1") = "6"
    & skf21("6","6","1","6","7","3","5","1") = "6"
    & skf21("6","6","1","6","7","3","6","1") = "6"
    & skf21("6","6","1","6","7","3","7","1") = "6"
    & skf21("6","6","1","6","7","4","1","1") = "6"
    & skf21("6","6","1","6","7","4","2","1") = "6"
    & skf21("6","6","1","6","7","4","3","1") = "6"
    & skf21("6","6","1","6","7","4","4","1") = "6"
    & skf21("6","6","1","6","7","4","5","1") = "6"
    & skf21("6","6","1","6","7","4","6","1") = "6"
    & skf21("6","6","1","6","7","4","7","1") = "6"
    & skf21("6","6","1","6","7","5","1","1") = "6"
    & skf21("6","6","1","6","7","5","2","1") = "6"
    & skf21("6","6","1","6","7","5","3","1") = "6"
    & skf21("6","6","1","6","7","5","4","1") = "6"
    & skf21("6","6","1","6","7","5","5","1") = "6"
    & skf21("6","6","1","6","7","5","6","1") = "6"
    & skf21("6","6","1","6","7","5","7","1") = "6"
    & skf21("6","6","1","6","7","6","1","1") = "6"
    & skf21("6","6","1","6","7","6","2","1") = "6"
    & skf21("6","6","1","6","7","6","3","1") = "6"
    & skf21("6","6","1","6","7","6","4","1") = "6"
    & skf21("6","6","1","6","7","6","5","1") = "6"
    & skf21("6","6","1","6","7","6","6","1") = "6"
    & skf21("6","6","1","6","7","6","7","1") = "6"
    & skf21("6","6","1","6","7","7","1","1") = "6"
    & skf21("6","6","1","6","7","7","2","1") = "6"
    & skf21("6","6","1","6","7","7","3","1") = "6"
    & skf21("6","6","1","6","7","7","4","1") = "6"
    & skf21("6","6","1","6","7","7","5","1") = "6"
    & skf21("6","6","1","6","7","7","6","1") = "6"
    & skf21("6","6","1","6","7","7","7","1") = "6"
    & skf21("6","6","1","7","1","1","1","1") = "6"
    & skf21("6","6","1","7","1","1","2","1") = "6"
    & skf21("6","6","1","7","1","1","3","1") = "6"
    & skf21("6","6","1","7","1","1","4","1") = "6"
    & skf21("6","6","1","7","1","1","5","1") = "6"
    & skf21("6","6","1","7","1","1","6","1") = "6"
    & skf21("6","6","1","7","1","1","7","1") = "6"
    & skf21("6","6","1","7","1","2","1","1") = "6"
    & skf21("6","6","1","7","1","2","2","1") = "6"
    & skf21("6","6","1","7","1","2","3","1") = "6"
    & skf21("6","6","1","7","1","2","4","1") = "6"
    & skf21("6","6","1","7","1","2","5","1") = "6"
    & skf21("6","6","1","7","1","2","6","1") = "6"
    & skf21("6","6","1","7","1","2","7","1") = "6"
    & skf21("6","6","1","7","1","3","1","1") = "6"
    & skf21("6","6","1","7","1","3","2","1") = "6"
    & skf21("6","6","1","7","1","3","3","1") = "6"
    & skf21("6","6","1","7","1","3","4","1") = "6"
    & skf21("6","6","1","7","1","3","5","1") = "6"
    & skf21("6","6","1","7","1","3","6","1") = "6"
    & skf21("6","6","1","7","1","3","7","1") = "6"
    & skf21("6","6","1","7","1","4","1","1") = "6"
    & skf21("6","6","1","7","1","4","2","1") = "6"
    & skf21("6","6","1","7","1","4","3","1") = "6"
    & skf21("6","6","1","7","1","4","4","1") = "6"
    & skf21("6","6","1","7","1","4","5","1") = "6"
    & skf21("6","6","1","7","1","4","6","1") = "6"
    & skf21("6","6","1","7","1","4","7","1") = "6"
    & skf21("6","6","1","7","1","5","1","1") = "6"
    & skf21("6","6","1","7","1","5","2","1") = "6"
    & skf21("6","6","1","7","1","5","3","1") = "6"
    & skf21("6","6","1","7","1","5","4","1") = "6"
    & skf21("6","6","1","7","1","5","5","1") = "6"
    & skf21("6","6","1","7","1","5","6","1") = "6"
    & skf21("6","6","1","7","1","5","7","1") = "6"
    & skf21("6","6","1","7","1","6","1","1") = "6"
    & skf21("6","6","1","7","1","6","2","1") = "6"
    & skf21("6","6","1","7","1","6","3","1") = "6"
    & skf21("6","6","1","7","1","6","4","1") = "6"
    & skf21("6","6","1","7","1","6","5","1") = "6"
    & skf21("6","6","1","7","1","6","6","1") = "6"
    & skf21("6","6","1","7","1","6","7","1") = "6"
    & skf21("6","6","1","7","1","7","1","1") = "6"
    & skf21("6","6","1","7","1","7","2","1") = "6"
    & skf21("6","6","1","7","1","7","3","1") = "6"
    & skf21("6","6","1","7","1","7","4","1") = "6"
    & skf21("6","6","1","7","1","7","5","1") = "6"
    & skf21("6","6","1","7","1","7","6","1") = "6"
    & skf21("6","6","1","7","1","7","7","1") = "6"
    & skf21("6","6","1","7","2","1","1","1") = "6"
    & skf21("6","6","1","7","2","1","2","1") = "6"
    & skf21("6","6","1","7","2","1","3","1") = "6"
    & skf21("6","6","1","7","2","1","4","1") = "6"
    & skf21("6","6","1","7","2","1","5","1") = "6"
    & skf21("6","6","1","7","2","1","6","1") = "6"
    & skf21("6","6","1","7","2","1","7","1") = "6"
    & skf21("6","6","1","7","2","2","1","1") = "6"
    & skf21("6","6","1","7","2","2","2","1") = "6"
    & skf21("6","6","1","7","2","2","3","1") = "6"
    & skf21("6","6","1","7","2","2","4","1") = "6"
    & skf21("6","6","1","7","2","2","5","1") = "6"
    & skf21("6","6","1","7","2","2","6","1") = "6"
    & skf21("6","6","1","7","2","2","7","1") = "6"
    & skf21("6","6","1","7","2","3","1","1") = "6"
    & skf21("6","6","1","7","2","3","2","1") = "6"
    & skf21("6","6","1","7","2","3","3","1") = "6"
    & skf21("6","6","1","7","2","3","4","1") = "6"
    & skf21("6","6","1","7","2","3","5","1") = "6"
    & skf21("6","6","1","7","2","3","6","1") = "6"
    & skf21("6","6","1","7","2","3","7","1") = "6"
    & skf21("6","6","1","7","2","4","1","1") = "6"
    & skf21("6","6","1","7","2","4","2","1") = "6"
    & skf21("6","6","1","7","2","4","3","1") = "6"
    & skf21("6","6","1","7","2","4","4","1") = "6"
    & skf21("6","6","1","7","2","4","5","1") = "6"
    & skf21("6","6","1","7","2","4","6","1") = "6"
    & skf21("6","6","1","7","2","4","7","1") = "6"
    & skf21("6","6","1","7","2","5","1","1") = "6"
    & skf21("6","6","1","7","2","5","2","1") = "6"
    & skf21("6","6","1","7","2","5","3","1") = "6"
    & skf21("6","6","1","7","2","5","4","1") = "6"
    & skf21("6","6","1","7","2","5","5","1") = "6"
    & skf21("6","6","1","7","2","5","6","1") = "6"
    & skf21("6","6","1","7","2","5","7","1") = "6"
    & skf21("6","6","1","7","2","6","1","1") = "6"
    & skf21("6","6","1","7","2","6","2","1") = "6"
    & skf21("6","6","1","7","2","6","3","1") = "6"
    & skf21("6","6","1","7","2","6","4","1") = "6"
    & skf21("6","6","1","7","2","6","5","1") = "6"
    & skf21("6","6","1","7","2","6","6","1") = "6"
    & skf21("6","6","1","7","2","6","7","1") = "6"
    & skf21("6","6","1","7","2","7","1","1") = "6"
    & skf21("6","6","1","7","2","7","2","1") = "6"
    & skf21("6","6","1","7","2","7","3","1") = "6"
    & skf21("6","6","1","7","2","7","4","1") = "6"
    & skf21("6","6","1","7","2","7","5","1") = "6"
    & skf21("6","6","1","7","2","7","6","1") = "6"
    & skf21("6","6","1","7","2","7","7","1") = "6"
    & skf21("6","6","1","7","3","1","1","1") = "6"
    & skf21("6","6","1","7","3","1","2","1") = "6"
    & skf21("6","6","1","7","3","1","3","1") = "6"
    & skf21("6","6","1","7","3","1","4","1") = "6"
    & skf21("6","6","1","7","3","1","5","1") = "6"
    & skf21("6","6","1","7","3","1","6","1") = "6"
    & skf21("6","6","1","7","3","1","7","1") = "6"
    & skf21("6","6","1","7","3","2","1","1") = "6"
    & skf21("6","6","1","7","3","2","2","1") = "6"
    & skf21("6","6","1","7","3","2","3","1") = "6"
    & skf21("6","6","1","7","3","2","4","1") = "6"
    & skf21("6","6","1","7","3","2","5","1") = "6"
    & skf21("6","6","1","7","3","2","6","1") = "6"
    & skf21("6","6","1","7","3","2","7","1") = "6"
    & skf21("6","6","1","7","3","3","1","1") = "6"
    & skf21("6","6","1","7","3","3","2","1") = "6"
    & skf21("6","6","1","7","3","3","3","1") = "6"
    & skf21("6","6","1","7","3","3","4","1") = "6"
    & skf21("6","6","1","7","3","3","5","1") = "6"
    & skf21("6","6","1","7","3","3","6","1") = "6"
    & skf21("6","6","1","7","3","3","7","1") = "6"
    & skf21("6","6","1","7","3","4","1","1") = "6"
    & skf21("6","6","1","7","3","4","2","1") = "6"
    & skf21("6","6","1","7","3","4","3","1") = "6"
    & skf21("6","6","1","7","3","4","4","1") = "6"
    & skf21("6","6","1","7","3","4","5","1") = "6"
    & skf21("6","6","1","7","3","4","6","1") = "6"
    & skf21("6","6","1","7","3","4","7","1") = "6"
    & skf21("6","6","1","7","3","5","1","1") = "6"
    & skf21("6","6","1","7","3","5","2","1") = "6"
    & skf21("6","6","1","7","3","5","3","1") = "6"
    & skf21("6","6","1","7","3","5","4","1") = "6"
    & skf21("6","6","1","7","3","5","5","1") = "6"
    & skf21("6","6","1","7","3","5","6","1") = "6"
    & skf21("6","6","1","7","3","5","7","1") = "6"
    & skf21("6","6","1","7","3","6","1","1") = "6"
    & skf21("6","6","1","7","3","6","2","1") = "6"
    & skf21("6","6","1","7","3","6","3","1") = "6"
    & skf21("6","6","1","7","3","6","4","1") = "6"
    & skf21("6","6","1","7","3","6","5","1") = "6"
    & skf21("6","6","1","7","3","6","6","1") = "6"
    & skf21("6","6","1","7","3","6","7","1") = "6"
    & skf21("6","6","1","7","3","7","1","1") = "6"
    & skf21("6","6","1","7","3","7","2","1") = "6"
    & skf21("6","6","1","7","3","7","3","1") = "6"
    & skf21("6","6","1","7","3","7","4","1") = "6"
    & skf21("6","6","1","7","3","7","5","1") = "6"
    & skf21("6","6","1","7","3","7","6","1") = "6"
    & skf21("6","6","1","7","3","7","7","1") = "6"
    & skf21("6","6","1","7","4","1","1","1") = "6"
    & skf21("6","6","1","7","4","1","2","1") = "6"
    & skf21("6","6","1","7","4","1","3","1") = "6"
    & skf21("6","6","1","7","4","1","4","1") = "6"
    & skf21("6","6","1","7","4","1","5","1") = "6"
    & skf21("6","6","1","7","4","1","6","1") = "6"
    & skf21("6","6","1","7","4","1","7","1") = "6"
    & skf21("6","6","1","7","4","2","1","1") = "6"
    & skf21("6","6","1","7","4","2","2","1") = "6"
    & skf21("6","6","1","7","4","2","3","1") = "6"
    & skf21("6","6","1","7","4","2","4","1") = "6"
    & skf21("6","6","1","7","4","2","5","1") = "6"
    & skf21("6","6","1","7","4","2","6","1") = "6"
    & skf21("6","6","1","7","4","2","7","1") = "6"
    & skf21("6","6","1","7","4","3","1","1") = "6"
    & skf21("6","6","1","7","4","3","2","1") = "6"
    & skf21("6","6","1","7","4","3","3","1") = "6"
    & skf21("6","6","1","7","4","3","4","1") = "6"
    & skf21("6","6","1","7","4","3","5","1") = "6"
    & skf21("6","6","1","7","4","3","6","1") = "6"
    & skf21("6","6","1","7","4","3","7","1") = "6"
    & skf21("6","6","1","7","4","4","1","1") = "6"
    & skf21("6","6","1","7","4","4","2","1") = "6"
    & skf21("6","6","1","7","4","4","3","1") = "6"
    & skf21("6","6","1","7","4","4","4","1") = "6"
    & skf21("6","6","1","7","4","4","5","1") = "6"
    & skf21("6","6","1","7","4","4","6","1") = "6"
    & skf21("6","6","1","7","4","4","7","1") = "6"
    & skf21("6","6","1","7","4","5","1","1") = "6"
    & skf21("6","6","1","7","4","5","2","1") = "6"
    & skf21("6","6","1","7","4","5","3","1") = "6"
    & skf21("6","6","1","7","4","5","4","1") = "6"
    & skf21("6","6","1","7","4","5","5","1") = "6"
    & skf21("6","6","1","7","4","5","6","1") = "6"
    & skf21("6","6","1","7","4","5","7","1") = "6"
    & skf21("6","6","1","7","4","6","1","1") = "6"
    & skf21("6","6","1","7","4","6","2","1") = "6"
    & skf21("6","6","1","7","4","6","3","1") = "6"
    & skf21("6","6","1","7","4","6","4","1") = "6"
    & skf21("6","6","1","7","4","6","5","1") = "6"
    & skf21("6","6","1","7","4","6","6","1") = "6"
    & skf21("6","6","1","7","4","6","7","1") = "6"
    & skf21("6","6","1","7","4","7","1","1") = "6"
    & skf21("6","6","1","7","4","7","2","1") = "6"
    & skf21("6","6","1","7","4","7","3","1") = "6"
    & skf21("6","6","1","7","4","7","4","1") = "6"
    & skf21("6","6","1","7","4","7","5","1") = "6"
    & skf21("6","6","1","7","4","7","6","1") = "6"
    & skf21("6","6","1","7","4","7","7","1") = "6"
    & skf21("6","6","1","7","5","1","1","1") = "6"
    & skf21("6","6","1","7","5","1","2","1") = "6"
    & skf21("6","6","1","7","5","1","3","1") = "6"
    & skf21("6","6","1","7","5","1","4","1") = "6"
    & skf21("6","6","1","7","5","1","5","1") = "6"
    & skf21("6","6","1","7","5","1","6","1") = "6"
    & skf21("6","6","1","7","5","1","7","1") = "6"
    & skf21("6","6","1","7","5","2","1","1") = "6"
    & skf21("6","6","1","7","5","2","2","1") = "6"
    & skf21("6","6","1","7","5","2","3","1") = "6"
    & skf21("6","6","1","7","5","2","4","1") = "6"
    & skf21("6","6","1","7","5","2","5","1") = "6"
    & skf21("6","6","1","7","5","2","6","1") = "6"
    & skf21("6","6","1","7","5","2","7","1") = "6"
    & skf21("6","6","1","7","5","3","1","1") = "6"
    & skf21("6","6","1","7","5","3","2","1") = "6"
    & skf21("6","6","1","7","5","3","3","1") = "6"
    & skf21("6","6","1","7","5","3","4","1") = "6"
    & skf21("6","6","1","7","5","3","5","1") = "6"
    & skf21("6","6","1","7","5","3","6","1") = "6"
    & skf21("6","6","1","7","5","3","7","1") = "6"
    & skf21("6","6","1","7","5","4","1","1") = "6"
    & skf21("6","6","1","7","5","4","2","1") = "6"
    & skf21("6","6","1","7","5","4","3","1") = "6"
    & skf21("6","6","1","7","5","4","4","1") = "6"
    & skf21("6","6","1","7","5","4","5","1") = "6"
    & skf21("6","6","1","7","5","4","6","1") = "6"
    & skf21("6","6","1","7","5","4","7","1") = "6"
    & skf21("6","6","1","7","5","5","1","1") = "6"
    & skf21("6","6","1","7","5","5","2","1") = "6"
    & skf21("6","6","1","7","5","5","3","1") = "6"
    & skf21("6","6","1","7","5","5","4","1") = "6"
    & skf21("6","6","1","7","5","5","5","1") = "6"
    & skf21("6","6","1","7","5","5","6","1") = "6"
    & skf21("6","6","1","7","5","5","7","1") = "6"
    & skf21("6","6","1","7","5","6","1","1") = "6"
    & skf21("6","6","1","7","5","6","2","1") = "6"
    & skf21("6","6","1","7","5","6","3","1") = "6"
    & skf21("6","6","1","7","5","6","4","1") = "6"
    & skf21("6","6","1","7","5","6","5","1") = "6"
    & skf21("6","6","1","7","5","6","6","1") = "6"
    & skf21("6","6","1","7","5","6","7","1") = "6"
    & skf21("6","6","1","7","5","7","1","1") = "6"
    & skf21("6","6","1","7","5","7","2","1") = "6"
    & skf21("6","6","1","7","5","7","3","1") = "6"
    & skf21("6","6","1","7","5","7","4","1") = "6"
    & skf21("6","6","1","7","5","7","5","1") = "6"
    & skf21("6","6","1","7","5","7","6","1") = "6"
    & skf21("6","6","1","7","5","7","7","1") = "6"
    & skf21("6","6","1","7","6","1","1","1") = "6"
    & skf21("6","6","1","7","6","1","2","1") = "6"
    & skf21("6","6","1","7","6","1","3","1") = "6"
    & skf21("6","6","1","7","6","1","4","1") = "6"
    & skf21("6","6","1","7","6","1","5","1") = "6"
    & skf21("6","6","1","7","6","1","6","1") = "6"
    & skf21("6","6","1","7","6","1","7","1") = "6"
    & skf21("6","6","1","7","6","2","1","1") = "6"
    & skf21("6","6","1","7","6","2","2","1") = "6"
    & skf21("6","6","1","7","6","2","3","1") = "6"
    & skf21("6","6","1","7","6","2","4","1") = "6"
    & skf21("6","6","1","7","6","2","5","1") = "6"
    & skf21("6","6","1","7","6","2","6","1") = "6"
    & skf21("6","6","1","7","6","2","7","1") = "6"
    & skf21("6","6","1","7","6","3","1","1") = "6"
    & skf21("6","6","1","7","6","3","2","1") = "6"
    & skf21("6","6","1","7","6","3","3","1") = "6"
    & skf21("6","6","1","7","6","3","4","1") = "6"
    & skf21("6","6","1","7","6","3","5","1") = "6"
    & skf21("6","6","1","7","6","3","6","1") = "6"
    & skf21("6","6","1","7","6","3","7","1") = "6"
    & skf21("6","6","1","7","6","4","1","1") = "6"
    & skf21("6","6","1","7","6","4","2","1") = "6"
    & skf21("6","6","1","7","6","4","3","1") = "6"
    & skf21("6","6","1","7","6","4","4","1") = "6"
    & skf21("6","6","1","7","6","4","5","1") = "6"
    & skf21("6","6","1","7","6","4","6","1") = "6"
    & skf21("6","6","1","7","6","4","7","1") = "6"
    & skf21("6","6","1","7","6","5","1","1") = "6"
    & skf21("6","6","1","7","6","5","2","1") = "6"
    & skf21("6","6","1","7","6","5","3","1") = "6"
    & skf21("6","6","1","7","6","5","4","1") = "6"
    & skf21("6","6","1","7","6","5","5","1") = "6"
    & skf21("6","6","1","7","6","5","6","1") = "6"
    & skf21("6","6","1","7","6","5","7","1") = "6"
    & skf21("6","6","1","7","6","6","1","1") = "6"
    & skf21("6","6","1","7","6","6","2","1") = "6"
    & skf21("6","6","1","7","6","6","3","1") = "6"
    & skf21("6","6","1","7","6","6","4","1") = "6"
    & skf21("6","6","1","7","6","6","5","1") = "6"
    & skf21("6","6","1","7","6","6","6","1") = "6"
    & skf21("6","6","1","7","6","6","7","1") = "6"
    & skf21("6","6","1","7","6","7","1","1") = "6"
    & skf21("6","6","1","7","6","7","2","1") = "6"
    & skf21("6","6","1","7","6","7","3","1") = "6"
    & skf21("6","6","1","7","6","7","4","1") = "6"
    & skf21("6","6","1","7","6","7","5","1") = "6"
    & skf21("6","6","1","7","6","7","6","1") = "6"
    & skf21("6","6","1","7","6","7","7","1") = "6"
    & skf21("6","6","1","7","7","1","1","1") = "6"
    & skf21("6","6","1","7","7","1","2","1") = "6"
    & skf21("6","6","1","7","7","1","3","1") = "6"
    & skf21("6","6","1","7","7","1","4","1") = "6"
    & skf21("6","6","1","7","7","1","5","1") = "6"
    & skf21("6","6","1","7","7","1","6","1") = "6"
    & skf21("6","6","1","7","7","1","7","1") = "6"
    & skf21("6","6","1","7","7","2","1","1") = "6"
    & skf21("6","6","1","7","7","2","2","1") = "6"
    & skf21("6","6","1","7","7","2","3","1") = "6"
    & skf21("6","6","1","7","7","2","4","1") = "6"
    & skf21("6","6","1","7","7","2","5","1") = "6"
    & skf21("6","6","1","7","7","2","6","1") = "6"
    & skf21("6","6","1","7","7","2","7","1") = "6"
    & skf21("6","6","1","7","7","3","1","1") = "6"
    & skf21("6","6","1","7","7","3","2","1") = "6"
    & skf21("6","6","1","7","7","3","3","1") = "6"
    & skf21("6","6","1","7","7","3","4","1") = "6"
    & skf21("6","6","1","7","7","3","5","1") = "6"
    & skf21("6","6","1","7","7","3","6","1") = "6"
    & skf21("6","6","1","7","7","3","7","1") = "6"
    & skf21("6","6","1","7","7","4","1","1") = "6"
    & skf21("6","6","1","7","7","4","2","1") = "6"
    & skf21("6","6","1","7","7","4","3","1") = "6"
    & skf21("6","6","1","7","7","4","4","1") = "6"
    & skf21("6","6","1","7","7","4","5","1") = "6"
    & skf21("6","6","1","7","7","4","6","1") = "6"
    & skf21("6","6","1","7","7","4","7","1") = "6"
    & skf21("6","6","1","7","7","5","1","1") = "6"
    & skf21("6","6","1","7","7","5","2","1") = "6"
    & skf21("6","6","1","7","7","5","3","1") = "6"
    & skf21("6","6","1","7","7","5","4","1") = "6"
    & skf21("6","6","1","7","7","5","5","1") = "6"
    & skf21("6","6","1","7","7","5","6","1") = "6"
    & skf21("6","6","1","7","7","5","7","1") = "6"
    & skf21("6","6","1","7","7","6","1","1") = "6"
    & skf21("6","6","1","7","7","6","2","1") = "6"
    & skf21("6","6","1","7","7","6","3","1") = "6"
    & skf21("6","6","1","7","7","6","4","1") = "6"
    & skf21("6","6","1","7","7","6","5","1") = "6"
    & skf21("6","6","1","7","7","6","6","1") = "6"
    & skf21("6","6","1","7","7","6","7","1") = "6"
    & skf21("6","6","1","7","7","7","1","1") = "6"
    & skf21("6","6","1","7","7","7","2","1") = "6"
    & skf21("6","6","1","7","7","7","3","1") = "6"
    & skf21("6","6","1","7","7","7","4","1") = "6"
    & skf21("6","6","1","7","7","7","5","1") = "6"
    & skf21("6","6","1","7","7","7","6","1") = "6"
    & skf21("6","6","1","7","7","7","7","1") = "6"
    & skf21("6","6","2","1","1","1","1","1") = "5"
    & skf21("6","6","2","1","1","1","2","1") = "5"
    & skf21("6","6","2","1","1","1","3","1") = "5"
    & skf21("6","6","2","1","1","1","4","1") = "5"
    & skf21("6","6","2","1","1","1","5","1") = "5"
    & skf21("6","6","2","1","1","1","6","1") = "5"
    & skf21("6","6","2","1","1","1","7","1") = "6"
    & skf21("6","6","2","1","1","2","1","1") = "5"
    & skf21("6","6","2","1","1","2","2","1") = "5"
    & skf21("6","6","2","1","1","2","3","1") = "5"
    & skf21("6","6","2","1","1","2","4","1") = "5"
    & skf21("6","6","2","1","1","2","5","1") = "5"
    & skf21("6","6","2","1","1","2","6","1") = "5"
    & skf21("6","6","2","1","1","2","7","1") = "6"
    & skf21("6","6","2","1","1","3","1","1") = "5"
    & skf21("6","6","2","1","1","3","2","1") = "5"
    & skf21("6","6","2","1","1","3","3","1") = "5"
    & skf21("6","6","2","1","1","3","4","1") = "5"
    & skf21("6","6","2","1","1","3","5","1") = "5"
    & skf21("6","6","2","1","1","3","6","1") = "5"
    & skf21("6","6","2","1","1","3","7","1") = "6"
    & skf21("6","6","2","1","1","4","1","1") = "5"
    & skf21("6","6","2","1","1","4","2","1") = "5"
    & skf21("6","6","2","1","1","4","3","1") = "5"
    & skf21("6","6","2","1","1","4","4","1") = "5"
    & skf21("6","6","2","1","1","4","5","1") = "5"
    & skf21("6","6","2","1","1","4","6","1") = "5"
    & skf21("6","6","2","1","1","4","7","1") = "6"
    & skf21("6","6","2","1","1","5","1","1") = "5"
    & skf21("6","6","2","1","1","5","2","1") = "5"
    & skf21("6","6","2","1","1","5","3","1") = "5"
    & skf21("6","6","2","1","1","5","4","1") = "5"
    & skf21("6","6","2","1","1","5","5","1") = "5"
    & skf21("6","6","2","1","1","5","6","1") = "5"
    & skf21("6","6","2","1","1","5","7","1") = "6"
    & skf21("6","6","2","1","1","6","1","1") = "5"
    & skf21("6","6","2","1","1","6","2","1") = "5"
    & skf21("6","6","2","1","1","6","3","1") = "5"
    & skf21("6","6","2","1","1","6","4","1") = "5"
    & skf21("6","6","2","1","1","6","5","1") = "5"
    & skf21("6","6","2","1","1","6","6","1") = "5"
    & skf21("6","6","2","1","1","6","7","1") = "6"
    & skf21("6","6","2","1","1","7","1","1") = "6"
    & skf21("6","6","2","1","1","7","2","1") = "6"
    & skf21("6","6","2","1","1","7","3","1") = "6"
    & skf21("6","6","2","1","1","7","4","1") = "6"
    & skf21("6","6","2","1","1","7","5","1") = "6"
    & skf21("6","6","2","1","1","7","6","1") = "6"
    & skf21("6","6","2","1","1","7","7","1") = "6"
    & skf21("6","6","2","1","2","1","1","1") = "5"
    & skf21("6","6","2","1","2","1","2","1") = "5"
    & skf21("6","6","2","1","2","1","3","1") = "5"
    & skf21("6","6","2","1","2","1","4","1") = "5"
    & skf21("6","6","2","1","2","1","5","1") = "5"
    & skf21("6","6","2","1","2","1","6","1") = "5"
    & skf21("6","6","2","1","2","1","7","1") = "6"
    & skf21("6","6","2","1","2","2","1","1") = "5"
    & skf21("6","6","2","1","2","2","2","1") = "5"
    & skf21("6","6","2","1","2","2","3","1") = "5"
    & skf21("6","6","2","1","2","2","4","1") = "5"
    & skf21("6","6","2","1","2","2","5","1") = "5"
    & skf21("6","6","2","1","2","2","6","1") = "5"
    & skf21("6","6","2","1","2","2","7","1") = "6"
    & skf21("6","6","2","1","2","3","1","1") = "5"
    & skf21("6","6","2","1","2","3","2","1") = "5"
    & skf21("6","6","2","1","2","3","3","1") = "5"
    & skf21("6","6","2","1","2","3","4","1") = "5"
    & skf21("6","6","2","1","2","3","5","1") = "5"
    & skf21("6","6","2","1","2","3","6","1") = "5"
    & skf21("6","6","2","1","2","3","7","1") = "6"
    & skf21("6","6","2","1","2","4","1","1") = "5"
    & skf21("6","6","2","1","2","4","2","1") = "5"
    & skf21("6","6","2","1","2","4","3","1") = "5"
    & skf21("6","6","2","1","2","4","4","1") = "5"
    & skf21("6","6","2","1","2","4","5","1") = "5"
    & skf21("6","6","2","1","2","4","6","1") = "5"
    & skf21("6","6","2","1","2","4","7","1") = "6"
    & skf21("6","6","2","1","2","5","1","1") = "5"
    & skf21("6","6","2","1","2","5","2","1") = "5"
    & skf21("6","6","2","1","2","5","3","1") = "5"
    & skf21("6","6","2","1","2","5","4","1") = "5"
    & skf21("6","6","2","1","2","5","5","1") = "5"
    & skf21("6","6","2","1","2","5","6","1") = "5"
    & skf21("6","6","2","1","2","5","7","1") = "6"
    & skf21("6","6","2","1","2","6","1","1") = "5"
    & skf21("6","6","2","1","2","6","2","1") = "5"
    & skf21("6","6","2","1","2","6","3","1") = "5"
    & skf21("6","6","2","1","2","6","4","1") = "5"
    & skf21("6","6","2","1","2","6","5","1") = "5"
    & skf21("6","6","2","1","2","6","6","1") = "5"
    & skf21("6","6","2","1","2","6","7","1") = "6"
    & skf21("6","6","2","1","2","7","1","1") = "6"
    & skf21("6","6","2","1","2","7","2","1") = "6"
    & skf21("6","6","2","1","2","7","3","1") = "6"
    & skf21("6","6","2","1","2","7","4","1") = "6"
    & skf21("6","6","2","1","2","7","5","1") = "6"
    & skf21("6","6","2","1","2","7","6","1") = "6"
    & skf21("6","6","2","1","2","7","7","1") = "6"
    & skf21("6","6","2","1","3","1","1","1") = "5"
    & skf21("6","6","2","1","3","1","2","1") = "5"
    & skf21("6","6","2","1","3","1","3","1") = "5"
    & skf21("6","6","2","1","3","1","4","1") = "5"
    & skf21("6","6","2","1","3","1","5","1") = "5"
    & skf21("6","6","2","1","3","1","6","1") = "5"
    & skf21("6","6","2","1","3","1","7","1") = "6"
    & skf21("6","6","2","1","3","2","1","1") = "5"
    & skf21("6","6","2","1","3","2","2","1") = "5"
    & skf21("6","6","2","1","3","2","3","1") = "5"
    & skf21("6","6","2","1","3","2","4","1") = "5"
    & skf21("6","6","2","1","3","2","5","1") = "5"
    & skf21("6","6","2","1","3","2","6","1") = "5"
    & skf21("6","6","2","1","3","2","7","1") = "6"
    & skf21("6","6","2","1","3","3","1","1") = "5"
    & skf21("6","6","2","1","3","3","2","1") = "5"
    & skf21("6","6","2","1","3","3","3","1") = "5"
    & skf21("6","6","2","1","3","3","4","1") = "5"
    & skf21("6","6","2","1","3","3","5","1") = "5"
    & skf21("6","6","2","1","3","3","6","1") = "5"
    & skf21("6","6","2","1","3","3","7","1") = "6"
    & skf21("6","6","2","1","3","4","1","1") = "5"
    & skf21("6","6","2","1","3","4","2","1") = "5"
    & skf21("6","6","2","1","3","4","3","1") = "5"
    & skf21("6","6","2","1","3","4","4","1") = "5"
    & skf21("6","6","2","1","3","4","5","1") = "5"
    & skf21("6","6","2","1","3","4","6","1") = "5"
    & skf21("6","6","2","1","3","4","7","1") = "6"
    & skf21("6","6","2","1","3","5","1","1") = "5"
    & skf21("6","6","2","1","3","5","2","1") = "5"
    & skf21("6","6","2","1","3","5","3","1") = "5"
    & skf21("6","6","2","1","3","5","4","1") = "5"
    & skf21("6","6","2","1","3","5","5","1") = "5"
    & skf21("6","6","2","1","3","5","6","1") = "5"
    & skf21("6","6","2","1","3","5","7","1") = "6"
    & skf21("6","6","2","1","3","6","1","1") = "5"
    & skf21("6","6","2","1","3","6","2","1") = "5"
    & skf21("6","6","2","1","3","6","3","1") = "5"
    & skf21("6","6","2","1","3","6","4","1") = "5"
    & skf21("6","6","2","1","3","6","5","1") = "5"
    & skf21("6","6","2","1","3","6","6","1") = "5"
    & skf21("6","6","2","1","3","6","7","1") = "6"
    & skf21("6","6","2","1","3","7","1","1") = "6"
    & skf21("6","6","2","1","3","7","2","1") = "6"
    & skf21("6","6","2","1","3","7","3","1") = "6"
    & skf21("6","6","2","1","3","7","4","1") = "6"
    & skf21("6","6","2","1","3","7","5","1") = "6"
    & skf21("6","6","2","1","3","7","6","1") = "6"
    & skf21("6","6","2","1","3","7","7","1") = "6"
    & skf21("6","6","2","1","4","1","1","1") = "5"
    & skf21("6","6","2","1","4","1","2","1") = "5"
    & skf21("6","6","2","1","4","1","3","1") = "5"
    & skf21("6","6","2","1","4","1","4","1") = "5"
    & skf21("6","6","2","1","4","1","5","1") = "5"
    & skf21("6","6","2","1","4","1","6","1") = "5"
    & skf21("6","6","2","1","4","1","7","1") = "6"
    & skf21("6","6","2","1","4","2","1","1") = "5"
    & skf21("6","6","2","1","4","2","2","1") = "5"
    & skf21("6","6","2","1","4","2","3","1") = "5"
    & skf21("6","6","2","1","4","2","4","1") = "5"
    & skf21("6","6","2","1","4","2","5","1") = "5"
    & skf21("6","6","2","1","4","2","6","1") = "5"
    & skf21("6","6","2","1","4","2","7","1") = "6"
    & skf21("6","6","2","1","4","3","1","1") = "5"
    & skf21("6","6","2","1","4","3","2","1") = "5"
    & skf21("6","6","2","1","4","3","3","1") = "5"
    & skf21("6","6","2","1","4","3","4","1") = "5"
    & skf21("6","6","2","1","4","3","5","1") = "5"
    & skf21("6","6","2","1","4","3","6","1") = "5"
    & skf21("6","6","2","1","4","3","7","1") = "6"
    & skf21("6","6","2","1","4","4","1","1") = "5"
    & skf21("6","6","2","1","4","4","2","1") = "5"
    & skf21("6","6","2","1","4","4","3","1") = "5"
    & skf21("6","6","2","1","4","4","4","1") = "5"
    & skf21("6","6","2","1","4","4","5","1") = "5"
    & skf21("6","6","2","1","4","4","6","1") = "5"
    & skf21("6","6","2","1","4","4","7","1") = "6"
    & skf21("6","6","2","1","4","5","1","1") = "5"
    & skf21("6","6","2","1","4","5","2","1") = "5"
    & skf21("6","6","2","1","4","5","3","1") = "5"
    & skf21("6","6","2","1","4","5","4","1") = "5"
    & skf21("6","6","2","1","4","5","5","1") = "5"
    & skf21("6","6","2","1","4","5","6","1") = "5"
    & skf21("6","6","2","1","4","5","7","1") = "6"
    & skf21("6","6","2","1","4","6","1","1") = "5"
    & skf21("6","6","2","1","4","6","2","1") = "5"
    & skf21("6","6","2","1","4","6","3","1") = "5"
    & skf21("6","6","2","1","4","6","4","1") = "5"
    & skf21("6","6","2","1","4","6","5","1") = "5"
    & skf21("6","6","2","1","4","6","6","1") = "5"
    & skf21("6","6","2","1","4","6","7","1") = "6"
    & skf21("6","6","2","1","4","7","1","1") = "6"
    & skf21("6","6","2","1","4","7","2","1") = "6"
    & skf21("6","6","2","1","4","7","3","1") = "6"
    & skf21("6","6","2","1","4","7","4","1") = "6"
    & skf21("6","6","2","1","4","7","5","1") = "6"
    & skf21("6","6","2","1","4","7","6","1") = "6"
    & skf21("6","6","2","1","4","7","7","1") = "6"
    & skf21("6","6","2","1","5","1","1","1") = "5"
    & skf21("6","6","2","1","5","1","2","1") = "5"
    & skf21("6","6","2","1","5","1","3","1") = "5"
    & skf21("6","6","2","1","5","1","4","1") = "5"
    & skf21("6","6","2","1","5","1","5","1") = "5"
    & skf21("6","6","2","1","5","1","6","1") = "5"
    & skf21("6","6","2","1","5","1","7","1") = "6"
    & skf21("6","6","2","1","5","2","1","1") = "5"
    & skf21("6","6","2","1","5","2","2","1") = "5"
    & skf21("6","6","2","1","5","2","3","1") = "5"
    & skf21("6","6","2","1","5","2","4","1") = "5"
    & skf21("6","6","2","1","5","2","5","1") = "5"
    & skf21("6","6","2","1","5","2","6","1") = "5"
    & skf21("6","6","2","1","5","2","7","1") = "6"
    & skf21("6","6","2","1","5","3","1","1") = "5"
    & skf21("6","6","2","1","5","3","2","1") = "5"
    & skf21("6","6","2","1","5","3","3","1") = "5"
    & skf21("6","6","2","1","5","3","4","1") = "5"
    & skf21("6","6","2","1","5","3","5","1") = "5"
    & skf21("6","6","2","1","5","3","6","1") = "5"
    & skf21("6","6","2","1","5","3","7","1") = "6"
    & skf21("6","6","2","1","5","4","1","1") = "5"
    & skf21("6","6","2","1","5","4","2","1") = "5"
    & skf21("6","6","2","1","5","4","3","1") = "5"
    & skf21("6","6","2","1","5","4","4","1") = "5"
    & skf21("6","6","2","1","5","4","5","1") = "5"
    & skf21("6","6","2","1","5","4","6","1") = "5"
    & skf21("6","6","2","1","5","4","7","1") = "6"
    & skf21("6","6","2","1","5","5","1","1") = "5"
    & skf21("6","6","2","1","5","5","2","1") = "5"
    & skf21("6","6","2","1","5","5","3","1") = "5"
    & skf21("6","6","2","1","5","5","4","1") = "5"
    & skf21("6","6","2","1","5","5","5","1") = "5"
    & skf21("6","6","2","1","5","5","6","1") = "5"
    & skf21("6","6","2","1","5","5","7","1") = "6"
    & skf21("6","6","2","1","5","6","1","1") = "5"
    & skf21("6","6","2","1","5","6","2","1") = "5"
    & skf21("6","6","2","1","5","6","3","1") = "5"
    & skf21("6","6","2","1","5","6","4","1") = "5"
    & skf21("6","6","2","1","5","6","5","1") = "5"
    & skf21("6","6","2","1","5","6","6","1") = "5"
    & skf21("6","6","2","1","5","6","7","1") = "6"
    & skf21("6","6","2","1","5","7","1","1") = "6"
    & skf21("6","6","2","1","5","7","2","1") = "6"
    & skf21("6","6","2","1","5","7","3","1") = "6"
    & skf21("6","6","2","1","5","7","4","1") = "6"
    & skf21("6","6","2","1","5","7","5","1") = "6"
    & skf21("6","6","2","1","5","7","6","1") = "6"
    & skf21("6","6","2","1","5","7","7","1") = "6"
    & skf21("6","6","2","1","6","1","1","1") = "5"
    & skf21("6","6","2","1","6","1","2","1") = "5"
    & skf21("6","6","2","1","6","1","3","1") = "5"
    & skf21("6","6","2","1","6","1","4","1") = "5"
    & skf21("6","6","2","1","6","1","5","1") = "5"
    & skf21("6","6","2","1","6","1","6","1") = "5"
    & skf21("6","6","2","1","6","1","7","1") = "6"
    & skf21("6","6","2","1","6","2","1","1") = "5"
    & skf21("6","6","2","1","6","2","2","1") = "5"
    & skf21("6","6","2","1","6","2","3","1") = "5"
    & skf21("6","6","2","1","6","2","4","1") = "5"
    & skf21("6","6","2","1","6","2","5","1") = "5"
    & skf21("6","6","2","1","6","2","6","1") = "5"
    & skf21("6","6","2","1","6","2","7","1") = "6"
    & skf21("6","6","2","1","6","3","1","1") = "5"
    & skf21("6","6","2","1","6","3","2","1") = "5"
    & skf21("6","6","2","1","6","3","3","1") = "5"
    & skf21("6","6","2","1","6","3","4","1") = "5"
    & skf21("6","6","2","1","6","3","5","1") = "5"
    & skf21("6","6","2","1","6","3","6","1") = "5"
    & skf21("6","6","2","1","6","3","7","1") = "6"
    & skf21("6","6","2","1","6","4","1","1") = "5"
    & skf21("6","6","2","1","6","4","2","1") = "5"
    & skf21("6","6","2","1","6","4","3","1") = "5"
    & skf21("6","6","2","1","6","4","4","1") = "5"
    & skf21("6","6","2","1","6","4","5","1") = "5"
    & skf21("6","6","2","1","6","4","6","1") = "5"
    & skf21("6","6","2","1","6","4","7","1") = "6"
    & skf21("6","6","2","1","6","5","1","1") = "5"
    & skf21("6","6","2","1","6","5","2","1") = "5"
    & skf21("6","6","2","1","6","5","3","1") = "5"
    & skf21("6","6","2","1","6","5","4","1") = "5"
    & skf21("6","6","2","1","6","5","5","1") = "5"
    & skf21("6","6","2","1","6","5","6","1") = "5"
    & skf21("6","6","2","1","6","5","7","1") = "6"
    & skf21("6","6","2","1","6","6","1","1") = "5"
    & skf21("6","6","2","1","6","6","2","1") = "5"
    & skf21("6","6","2","1","6","6","3","1") = "5"
    & skf21("6","6","2","1","6","6","4","1") = "5"
    & skf21("6","6","2","1","6","6","5","1") = "5"
    & skf21("6","6","2","1","6","6","6","1") = "5"
    & skf21("6","6","2","1","6","6","7","1") = "6"
    & skf21("6","6","2","1","6","7","1","1") = "6"
    & skf21("6","6","2","1","6","7","2","1") = "6"
    & skf21("6","6","2","1","6","7","3","1") = "6"
    & skf21("6","6","2","1","6","7","4","1") = "6"
    & skf21("6","6","2","1","6","7","5","1") = "6"
    & skf21("6","6","2","1","6","7","6","1") = "6"
    & skf21("6","6","2","1","6","7","7","1") = "6"
    & skf21("6","6","2","1","7","1","1","1") = "6"
    & skf21("6","6","2","1","7","1","2","1") = "6"
    & skf21("6","6","2","1","7","1","3","1") = "6"
    & skf21("6","6","2","1","7","1","4","1") = "6"
    & skf21("6","6","2","1","7","1","5","1") = "6"
    & skf21("6","6","2","1","7","1","6","1") = "6"
    & skf21("6","6","2","1","7","1","7","1") = "6"
    & skf21("6","6","2","1","7","2","1","1") = "6"
    & skf21("6","6","2","1","7","2","2","1") = "6"
    & skf21("6","6","2","1","7","2","3","1") = "6"
    & skf21("6","6","2","1","7","2","4","1") = "6"
    & skf21("6","6","2","1","7","2","5","1") = "6"
    & skf21("6","6","2","1","7","2","6","1") = "6"
    & skf21("6","6","2","1","7","2","7","1") = "6"
    & skf21("6","6","2","1","7","3","1","1") = "6"
    & skf21("6","6","2","1","7","3","2","1") = "6"
    & skf21("6","6","2","1","7","3","3","1") = "6"
    & skf21("6","6","2","1","7","3","4","1") = "6"
    & skf21("6","6","2","1","7","3","5","1") = "6"
    & skf21("6","6","2","1","7","3","6","1") = "6"
    & skf21("6","6","2","1","7","3","7","1") = "6"
    & skf21("6","6","2","1","7","4","1","1") = "6"
    & skf21("6","6","2","1","7","4","2","1") = "6"
    & skf21("6","6","2","1","7","4","3","1") = "6"
    & skf21("6","6","2","1","7","4","4","1") = "6"
    & skf21("6","6","2","1","7","4","5","1") = "6"
    & skf21("6","6","2","1","7","4","6","1") = "6"
    & skf21("6","6","2","1","7","4","7","1") = "6"
    & skf21("6","6","2","1","7","5","1","1") = "6"
    & skf21("6","6","2","1","7","5","2","1") = "6"
    & skf21("6","6","2","1","7","5","3","1") = "6"
    & skf21("6","6","2","1","7","5","4","1") = "6"
    & skf21("6","6","2","1","7","5","5","1") = "6"
    & skf21("6","6","2","1","7","5","6","1") = "6"
    & skf21("6","6","2","1","7","5","7","1") = "6"
    & skf21("6","6","2","1","7","6","1","1") = "6"
    & skf21("6","6","2","1","7","6","2","1") = "6"
    & skf21("6","6","2","1","7","6","3","1") = "6"
    & skf21("6","6","2","1","7","6","4","1") = "6"
    & skf21("6","6","2","1","7","6","5","1") = "6"
    & skf21("6","6","2","1","7","6","6","1") = "6"
    & skf21("6","6","2","1","7","6","7","1") = "6"
    & skf21("6","6","2","1","7","7","1","1") = "6"
    & skf21("6","6","2","1","7","7","2","1") = "6"
    & skf21("6","6","2","1","7","7","3","1") = "6"
    & skf21("6","6","2","1","7","7","4","1") = "6"
    & skf21("6","6","2","1","7","7","5","1") = "6"
    & skf21("6","6","2","1","7","7","6","1") = "6"
    & skf21("6","6","2","1","7","7","7","1") = "6"
    & skf21("6","6","2","2","1","1","1","1") = "5"
    & skf21("6","6","2","2","1","1","2","1") = "5"
    & skf21("6","6","2","2","1","1","3","1") = "5"
    & skf21("6","6","2","2","1","1","4","1") = "5"
    & skf21("6","6","2","2","1","1","5","1") = "5"
    & skf21("6","6","2","2","1","1","6","1") = "5"
    & skf21("6","6","2","2","1","1","7","1") = "6"
    & skf21("6","6","2","2","1","2","1","1") = "5"
    & skf21("6","6","2","2","1","2","2","1") = "5"
    & skf21("6","6","2","2","1","2","3","1") = "5"
    & skf21("6","6","2","2","1","2","4","1") = "5"
    & skf21("6","6","2","2","1","2","5","1") = "5"
    & skf21("6","6","2","2","1","2","6","1") = "5"
    & skf21("6","6","2","2","1","2","7","1") = "6"
    & skf21("6","6","2","2","1","3","1","1") = "5"
    & skf21("6","6","2","2","1","3","2","1") = "5"
    & skf21("6","6","2","2","1","3","3","1") = "5"
    & skf21("6","6","2","2","1","3","4","1") = "5"
    & skf21("6","6","2","2","1","3","5","1") = "5"
    & skf21("6","6","2","2","1","3","6","1") = "5"
    & skf21("6","6","2","2","1","3","7","1") = "6"
    & skf21("6","6","2","2","1","4","1","1") = "5"
    & skf21("6","6","2","2","1","4","2","1") = "5"
    & skf21("6","6","2","2","1","4","3","1") = "5"
    & skf21("6","6","2","2","1","4","4","1") = "5"
    & skf21("6","6","2","2","1","4","5","1") = "5"
    & skf21("6","6","2","2","1","4","6","1") = "5"
    & skf21("6","6","2","2","1","4","7","1") = "6"
    & skf21("6","6","2","2","1","5","1","1") = "5"
    & skf21("6","6","2","2","1","5","2","1") = "5"
    & skf21("6","6","2","2","1","5","3","1") = "5"
    & skf21("6","6","2","2","1","5","4","1") = "5"
    & skf21("6","6","2","2","1","5","5","1") = "5"
    & skf21("6","6","2","2","1","5","6","1") = "5"
    & skf21("6","6","2","2","1","5","7","1") = "6"
    & skf21("6","6","2","2","1","6","1","1") = "5"
    & skf21("6","6","2","2","1","6","2","1") = "5"
    & skf21("6","6","2","2","1","6","3","1") = "5"
    & skf21("6","6","2","2","1","6","4","1") = "5"
    & skf21("6","6","2","2","1","6","5","1") = "5"
    & skf21("6","6","2","2","1","6","6","1") = "5"
    & skf21("6","6","2","2","1","6","7","1") = "6"
    & skf21("6","6","2","2","1","7","1","1") = "6"
    & skf21("6","6","2","2","1","7","2","1") = "6"
    & skf21("6","6","2","2","1","7","3","1") = "6"
    & skf21("6","6","2","2","1","7","4","1") = "6"
    & skf21("6","6","2","2","1","7","5","1") = "6"
    & skf21("6","6","2","2","1","7","6","1") = "6"
    & skf21("6","6","2","2","1","7","7","1") = "6"
    & skf21("6","6","2","2","2","1","1","1") = "5"
    & skf21("6","6","2","2","2","1","2","1") = "5"
    & skf21("6","6","2","2","2","1","3","1") = "5"
    & skf21("6","6","2","2","2","1","4","1") = "5"
    & skf21("6","6","2","2","2","1","5","1") = "5"
    & skf21("6","6","2","2","2","1","6","1") = "5"
    & skf21("6","6","2","2","2","1","7","1") = "6"
    & skf21("6","6","2","2","2","2","1","1") = "5"
    & skf21("6","6","2","2","2","2","2","1") = "5"
    & skf21("6","6","2","2","2","2","3","1") = "5"
    & skf21("6","6","2","2","2","2","4","1") = "5"
    & skf21("6","6","2","2","2","2","5","1") = "5"
    & skf21("6","6","2","2","2","2","6","1") = "5"
    & skf21("6","6","2","2","2","2","7","1") = "6"
    & skf21("6","6","2","2","2","3","1","1") = "5"
    & skf21("6","6","2","2","2","3","2","1") = "5"
    & skf21("6","6","2","2","2","3","3","1") = "5"
    & skf21("6","6","2","2","2","3","4","1") = "5"
    & skf21("6","6","2","2","2","3","5","1") = "5"
    & skf21("6","6","2","2","2","3","6","1") = "5"
    & skf21("6","6","2","2","2","3","7","1") = "6"
    & skf21("6","6","2","2","2","4","1","1") = "5"
    & skf21("6","6","2","2","2","4","2","1") = "5"
    & skf21("6","6","2","2","2","4","3","1") = "5"
    & skf21("6","6","2","2","2","4","4","1") = "5"
    & skf21("6","6","2","2","2","4","5","1") = "5"
    & skf21("6","6","2","2","2","4","6","1") = "5"
    & skf21("6","6","2","2","2","4","7","1") = "6"
    & skf21("6","6","2","2","2","5","1","1") = "5"
    & skf21("6","6","2","2","2","5","2","1") = "5"
    & skf21("6","6","2","2","2","5","3","1") = "5"
    & skf21("6","6","2","2","2","5","4","1") = "5"
    & skf21("6","6","2","2","2","5","5","1") = "5"
    & skf21("6","6","2","2","2","5","6","1") = "5"
    & skf21("6","6","2","2","2","5","7","1") = "6"
    & skf21("6","6","2","2","2","6","1","1") = "5"
    & skf21("6","6","2","2","2","6","2","1") = "5"
    & skf21("6","6","2","2","2","6","3","1") = "5"
    & skf21("6","6","2","2","2","6","4","1") = "5"
    & skf21("6","6","2","2","2","6","5","1") = "5"
    & skf21("6","6","2","2","2","6","6","1") = "5"
    & skf21("6","6","2","2","2","6","7","1") = "6"
    & skf21("6","6","2","2","2","7","1","1") = "6"
    & skf21("6","6","2","2","2","7","2","1") = "6"
    & skf21("6","6","2","2","2","7","3","1") = "6"
    & skf21("6","6","2","2","2","7","4","1") = "6"
    & skf21("6","6","2","2","2","7","5","1") = "6"
    & skf21("6","6","2","2","2","7","6","1") = "6"
    & skf21("6","6","2","2","2","7","7","1") = "6"
    & skf21("6","6","2","2","3","1","1","1") = "5"
    & skf21("6","6","2","2","3","1","2","1") = "5"
    & skf21("6","6","2","2","3","1","3","1") = "5"
    & skf21("6","6","2","2","3","1","4","1") = "5"
    & skf21("6","6","2","2","3","1","5","1") = "5"
    & skf21("6","6","2","2","3","1","6","1") = "5"
    & skf21("6","6","2","2","3","1","7","1") = "6"
    & skf21("6","6","2","2","3","2","1","1") = "5"
    & skf21("6","6","2","2","3","2","2","1") = "5"
    & skf21("6","6","2","2","3","2","3","1") = "5"
    & skf21("6","6","2","2","3","2","4","1") = "5"
    & skf21("6","6","2","2","3","2","5","1") = "5"
    & skf21("6","6","2","2","3","2","6","1") = "5"
    & skf21("6","6","2","2","3","2","7","1") = "6"
    & skf21("6","6","2","2","3","3","1","1") = "5"
    & skf21("6","6","2","2","3","3","2","1") = "5"
    & skf21("6","6","2","2","3","3","3","1") = "5"
    & skf21("6","6","2","2","3","3","4","1") = "5"
    & skf21("6","6","2","2","3","3","5","1") = "5"
    & skf21("6","6","2","2","3","3","6","1") = "5"
    & skf21("6","6","2","2","3","3","7","1") = "6"
    & skf21("6","6","2","2","3","4","1","1") = "5"
    & skf21("6","6","2","2","3","4","2","1") = "5"
    & skf21("6","6","2","2","3","4","3","1") = "5"
    & skf21("6","6","2","2","3","4","4","1") = "5"
    & skf21("6","6","2","2","3","4","5","1") = "5"
    & skf21("6","6","2","2","3","4","6","1") = "5"
    & skf21("6","6","2","2","3","4","7","1") = "6"
    & skf21("6","6","2","2","3","5","1","1") = "5"
    & skf21("6","6","2","2","3","5","2","1") = "5"
    & skf21("6","6","2","2","3","5","3","1") = "5"
    & skf21("6","6","2","2","3","5","4","1") = "5"
    & skf21("6","6","2","2","3","5","5","1") = "5"
    & skf21("6","6","2","2","3","5","6","1") = "5"
    & skf21("6","6","2","2","3","5","7","1") = "6"
    & skf21("6","6","2","2","3","6","1","1") = "5"
    & skf21("6","6","2","2","3","6","2","1") = "5"
    & skf21("6","6","2","2","3","6","3","1") = "5"
    & skf21("6","6","2","2","3","6","4","1") = "5"
    & skf21("6","6","2","2","3","6","5","1") = "5"
    & skf21("6","6","2","2","3","6","6","1") = "5"
    & skf21("6","6","2","2","3","6","7","1") = "6"
    & skf21("6","6","2","2","3","7","1","1") = "6"
    & skf21("6","6","2","2","3","7","2","1") = "6"
    & skf21("6","6","2","2","3","7","3","1") = "6"
    & skf21("6","6","2","2","3","7","4","1") = "6"
    & skf21("6","6","2","2","3","7","5","1") = "6"
    & skf21("6","6","2","2","3","7","6","1") = "6"
    & skf21("6","6","2","2","3","7","7","1") = "6"
    & skf21("6","6","2","2","4","1","1","1") = "5"
    & skf21("6","6","2","2","4","1","2","1") = "5"
    & skf21("6","6","2","2","4","1","3","1") = "5"
    & skf21("6","6","2","2","4","1","4","1") = "5"
    & skf21("6","6","2","2","4","1","5","1") = "5"
    & skf21("6","6","2","2","4","1","6","1") = "5"
    & skf21("6","6","2","2","4","1","7","1") = "6"
    & skf21("6","6","2","2","4","2","1","1") = "5"
    & skf21("6","6","2","2","4","2","2","1") = "5"
    & skf21("6","6","2","2","4","2","3","1") = "5"
    & skf21("6","6","2","2","4","2","4","1") = "5"
    & skf21("6","6","2","2","4","2","5","1") = "5"
    & skf21("6","6","2","2","4","2","6","1") = "5"
    & skf21("6","6","2","2","4","2","7","1") = "6"
    & skf21("6","6","2","2","4","3","1","1") = "5"
    & skf21("6","6","2","2","4","3","2","1") = "5"
    & skf21("6","6","2","2","4","3","3","1") = "5"
    & skf21("6","6","2","2","4","3","4","1") = "5"
    & skf21("6","6","2","2","4","3","5","1") = "5"
    & skf21("6","6","2","2","4","3","6","1") = "5"
    & skf21("6","6","2","2","4","3","7","1") = "6"
    & skf21("6","6","2","2","4","4","1","1") = "5"
    & skf21("6","6","2","2","4","4","2","1") = "5"
    & skf21("6","6","2","2","4","4","3","1") = "5"
    & skf21("6","6","2","2","4","4","4","1") = "5"
    & skf21("6","6","2","2","4","4","5","1") = "5"
    & skf21("6","6","2","2","4","4","6","1") = "5"
    & skf21("6","6","2","2","4","4","7","1") = "6"
    & skf21("6","6","2","2","4","5","1","1") = "5"
    & skf21("6","6","2","2","4","5","2","1") = "5"
    & skf21("6","6","2","2","4","5","3","1") = "5"
    & skf21("6","6","2","2","4","5","4","1") = "5"
    & skf21("6","6","2","2","4","5","5","1") = "5"
    & skf21("6","6","2","2","4","5","6","1") = "5"
    & skf21("6","6","2","2","4","5","7","1") = "6"
    & skf21("6","6","2","2","4","6","1","1") = "5"
    & skf21("6","6","2","2","4","6","2","1") = "5"
    & skf21("6","6","2","2","4","6","3","1") = "5"
    & skf21("6","6","2","2","4","6","4","1") = "5"
    & skf21("6","6","2","2","4","6","5","1") = "5"
    & skf21("6","6","2","2","4","6","6","1") = "5"
    & skf21("6","6","2","2","4","6","7","1") = "6"
    & skf21("6","6","2","2","4","7","1","1") = "6"
    & skf21("6","6","2","2","4","7","2","1") = "6"
    & skf21("6","6","2","2","4","7","3","1") = "6"
    & skf21("6","6","2","2","4","7","4","1") = "6"
    & skf21("6","6","2","2","4","7","5","1") = "6"
    & skf21("6","6","2","2","4","7","6","1") = "6"
    & skf21("6","6","2","2","4","7","7","1") = "6"
    & skf21("6","6","2","2","5","1","1","1") = "5"
    & skf21("6","6","2","2","5","1","2","1") = "5"
    & skf21("6","6","2","2","5","1","3","1") = "5"
    & skf21("6","6","2","2","5","1","4","1") = "5"
    & skf21("6","6","2","2","5","1","5","1") = "5"
    & skf21("6","6","2","2","5","1","6","1") = "5"
    & skf21("6","6","2","2","5","1","7","1") = "6"
    & skf21("6","6","2","2","5","2","1","1") = "5"
    & skf21("6","6","2","2","5","2","2","1") = "5"
    & skf21("6","6","2","2","5","2","3","1") = "5"
    & skf21("6","6","2","2","5","2","4","1") = "5"
    & skf21("6","6","2","2","5","2","5","1") = "5"
    & skf21("6","6","2","2","5","2","6","1") = "5"
    & skf21("6","6","2","2","5","2","7","1") = "6"
    & skf21("6","6","2","2","5","3","1","1") = "5"
    & skf21("6","6","2","2","5","3","2","1") = "5"
    & skf21("6","6","2","2","5","3","3","1") = "5"
    & skf21("6","6","2","2","5","3","4","1") = "5"
    & skf21("6","6","2","2","5","3","5","1") = "5"
    & skf21("6","6","2","2","5","3","6","1") = "5"
    & skf21("6","6","2","2","5","3","7","1") = "6"
    & skf21("6","6","2","2","5","4","1","1") = "5"
    & skf21("6","6","2","2","5","4","2","1") = "5"
    & skf21("6","6","2","2","5","4","3","1") = "5"
    & skf21("6","6","2","2","5","4","4","1") = "5"
    & skf21("6","6","2","2","5","4","5","1") = "5"
    & skf21("6","6","2","2","5","4","6","1") = "5"
    & skf21("6","6","2","2","5","4","7","1") = "6"
    & skf21("6","6","2","2","5","5","1","1") = "5"
    & skf21("6","6","2","2","5","5","2","1") = "5"
    & skf21("6","6","2","2","5","5","3","1") = "5"
    & skf21("6","6","2","2","5","5","4","1") = "5"
    & skf21("6","6","2","2","5","5","5","1") = "5"
    & skf21("6","6","2","2","5","5","6","1") = "5"
    & skf21("6","6","2","2","5","5","7","1") = "6"
    & skf21("6","6","2","2","5","6","1","1") = "5"
    & skf21("6","6","2","2","5","6","2","1") = "5"
    & skf21("6","6","2","2","5","6","3","1") = "5"
    & skf21("6","6","2","2","5","6","4","1") = "5"
    & skf21("6","6","2","2","5","6","5","1") = "5"
    & skf21("6","6","2","2","5","6","6","1") = "5"
    & skf21("6","6","2","2","5","6","7","1") = "6"
    & skf21("6","6","2","2","5","7","1","1") = "6"
    & skf21("6","6","2","2","5","7","2","1") = "6"
    & skf21("6","6","2","2","5","7","3","1") = "6"
    & skf21("6","6","2","2","5","7","4","1") = "6"
    & skf21("6","6","2","2","5","7","5","1") = "6"
    & skf21("6","6","2","2","5","7","6","1") = "6"
    & skf21("6","6","2","2","5","7","7","1") = "6"
    & skf21("6","6","2","2","6","1","1","1") = "5"
    & skf21("6","6","2","2","6","1","2","1") = "5"
    & skf21("6","6","2","2","6","1","3","1") = "5"
    & skf21("6","6","2","2","6","1","4","1") = "5"
    & skf21("6","6","2","2","6","1","5","1") = "5"
    & skf21("6","6","2","2","6","1","6","1") = "5"
    & skf21("6","6","2","2","6","1","7","1") = "6"
    & skf21("6","6","2","2","6","2","1","1") = "5"
    & skf21("6","6","2","2","6","2","2","1") = "5"
    & skf21("6","6","2","2","6","2","3","1") = "5"
    & skf21("6","6","2","2","6","2","4","1") = "5"
    & skf21("6","6","2","2","6","2","5","1") = "5"
    & skf21("6","6","2","2","6","2","6","1") = "5"
    & skf21("6","6","2","2","6","2","7","1") = "6"
    & skf21("6","6","2","2","6","3","1","1") = "5"
    & skf21("6","6","2","2","6","3","2","1") = "5"
    & skf21("6","6","2","2","6","3","3","1") = "5"
    & skf21("6","6","2","2","6","3","4","1") = "5"
    & skf21("6","6","2","2","6","3","5","1") = "5"
    & skf21("6","6","2","2","6","3","6","1") = "5"
    & skf21("6","6","2","2","6","3","7","1") = "6"
    & skf21("6","6","2","2","6","4","1","1") = "5"
    & skf21("6","6","2","2","6","4","2","1") = "5"
    & skf21("6","6","2","2","6","4","3","1") = "5"
    & skf21("6","6","2","2","6","4","4","1") = "5"
    & skf21("6","6","2","2","6","4","5","1") = "5"
    & skf21("6","6","2","2","6","4","6","1") = "5"
    & skf21("6","6","2","2","6","4","7","1") = "6"
    & skf21("6","6","2","2","6","5","1","1") = "5"
    & skf21("6","6","2","2","6","5","2","1") = "5"
    & skf21("6","6","2","2","6","5","3","1") = "5"
    & skf21("6","6","2","2","6","5","4","1") = "5"
    & skf21("6","6","2","2","6","5","5","1") = "5"
    & skf21("6","6","2","2","6","5","6","1") = "5"
    & skf21("6","6","2","2","6","5","7","1") = "6"
    & skf21("6","6","2","2","6","6","1","1") = "5"
    & skf21("6","6","2","2","6","6","2","1") = "5"
    & skf21("6","6","2","2","6","6","3","1") = "5"
    & skf21("6","6","2","2","6","6","4","1") = "5"
    & skf21("6","6","2","2","6","6","5","1") = "5"
    & skf21("6","6","2","2","6","6","6","1") = "5"
    & skf21("6","6","2","2","6","6","7","1") = "6"
    & skf21("6","6","2","2","6","7","1","1") = "6"
    & skf21("6","6","2","2","6","7","2","1") = "6"
    & skf21("6","6","2","2","6","7","3","1") = "6"
    & skf21("6","6","2","2","6","7","4","1") = "6"
    & skf21("6","6","2","2","6","7","5","1") = "6"
    & skf21("6","6","2","2","6","7","6","1") = "6"
    & skf21("6","6","2","2","6","7","7","1") = "6"
    & skf21("6","6","2","2","7","1","1","1") = "6"
    & skf21("6","6","2","2","7","1","2","1") = "6"
    & skf21("6","6","2","2","7","1","3","1") = "6"
    & skf21("6","6","2","2","7","1","4","1") = "6"
    & skf21("6","6","2","2","7","1","5","1") = "6"
    & skf21("6","6","2","2","7","1","6","1") = "6"
    & skf21("6","6","2","2","7","1","7","1") = "6"
    & skf21("6","6","2","2","7","2","1","1") = "6"
    & skf21("6","6","2","2","7","2","2","1") = "6"
    & skf21("6","6","2","2","7","2","3","1") = "6"
    & skf21("6","6","2","2","7","2","4","1") = "6"
    & skf21("6","6","2","2","7","2","5","1") = "6"
    & skf21("6","6","2","2","7","2","6","1") = "6"
    & skf21("6","6","2","2","7","2","7","1") = "6"
    & skf21("6","6","2","2","7","3","1","1") = "6"
    & skf21("6","6","2","2","7","3","2","1") = "6"
    & skf21("6","6","2","2","7","3","3","1") = "6"
    & skf21("6","6","2","2","7","3","4","1") = "6"
    & skf21("6","6","2","2","7","3","5","1") = "6"
    & skf21("6","6","2","2","7","3","6","1") = "6"
    & skf21("6","6","2","2","7","3","7","1") = "6"
    & skf21("6","6","2","2","7","4","1","1") = "6"
    & skf21("6","6","2","2","7","4","2","1") = "6"
    & skf21("6","6","2","2","7","4","3","1") = "6"
    & skf21("6","6","2","2","7","4","4","1") = "6"
    & skf21("6","6","2","2","7","4","5","1") = "6"
    & skf21("6","6","2","2","7","4","6","1") = "6"
    & skf21("6","6","2","2","7","4","7","1") = "6"
    & skf21("6","6","2","2","7","5","1","1") = "6"
    & skf21("6","6","2","2","7","5","2","1") = "6"
    & skf21("6","6","2","2","7","5","3","1") = "6"
    & skf21("6","6","2","2","7","5","4","1") = "6"
    & skf21("6","6","2","2","7","5","5","1") = "6"
    & skf21("6","6","2","2","7","5","6","1") = "6"
    & skf21("6","6","2","2","7","5","7","1") = "6"
    & skf21("6","6","2","2","7","6","1","1") = "6"
    & skf21("6","6","2","2","7","6","2","1") = "6"
    & skf21("6","6","2","2","7","6","3","1") = "6"
    & skf21("6","6","2","2","7","6","4","1") = "6"
    & skf21("6","6","2","2","7","6","5","1") = "6"
    & skf21("6","6","2","2","7","6","6","1") = "6"
    & skf21("6","6","2","2","7","6","7","1") = "6"
    & skf21("6","6","2","2","7","7","1","1") = "6"
    & skf21("6","6","2","2","7","7","2","1") = "6"
    & skf21("6","6","2","2","7","7","3","1") = "6"
    & skf21("6","6","2","2","7","7","4","1") = "6"
    & skf21("6","6","2","2","7","7","5","1") = "6"
    & skf21("6","6","2","2","7","7","6","1") = "6"
    & skf21("6","6","2","2","7","7","7","1") = "6"
    & skf21("6","6","2","3","1","1","1","1") = "5"
    & skf21("6","6","2","3","1","1","2","1") = "5"
    & skf21("6","6","2","3","1","1","3","1") = "5"
    & skf21("6","6","2","3","1","1","4","1") = "5"
    & skf21("6","6","2","3","1","1","5","1") = "5"
    & skf21("6","6","2","3","1","1","6","1") = "5"
    & skf21("6","6","2","3","1","1","7","1") = "6"
    & skf21("6","6","2","3","1","2","1","1") = "5"
    & skf21("6","6","2","3","1","2","2","1") = "5"
    & skf21("6","6","2","3","1","2","3","1") = "5"
    & skf21("6","6","2","3","1","2","4","1") = "5"
    & skf21("6","6","2","3","1","2","5","1") = "5"
    & skf21("6","6","2","3","1","2","6","1") = "5"
    & skf21("6","6","2","3","1","2","7","1") = "6"
    & skf21("6","6","2","3","1","3","1","1") = "5"
    & skf21("6","6","2","3","1","3","2","1") = "5"
    & skf21("6","6","2","3","1","3","3","1") = "5"
    & skf21("6","6","2","3","1","3","4","1") = "5"
    & skf21("6","6","2","3","1","3","5","1") = "5"
    & skf21("6","6","2","3","1","3","6","1") = "5"
    & skf21("6","6","2","3","1","3","7","1") = "6"
    & skf21("6","6","2","3","1","4","1","1") = "5"
    & skf21("6","6","2","3","1","4","2","1") = "5"
    & skf21("6","6","2","3","1","4","3","1") = "5"
    & skf21("6","6","2","3","1","4","4","1") = "5"
    & skf21("6","6","2","3","1","4","5","1") = "5"
    & skf21("6","6","2","3","1","4","6","1") = "5"
    & skf21("6","6","2","3","1","4","7","1") = "6"
    & skf21("6","6","2","3","1","5","1","1") = "5"
    & skf21("6","6","2","3","1","5","2","1") = "5"
    & skf21("6","6","2","3","1","5","3","1") = "5"
    & skf21("6","6","2","3","1","5","4","1") = "5"
    & skf21("6","6","2","3","1","5","5","1") = "5"
    & skf21("6","6","2","3","1","5","6","1") = "5"
    & skf21("6","6","2","3","1","5","7","1") = "6"
    & skf21("6","6","2","3","1","6","1","1") = "5"
    & skf21("6","6","2","3","1","6","2","1") = "5"
    & skf21("6","6","2","3","1","6","3","1") = "5"
    & skf21("6","6","2","3","1","6","4","1") = "5"
    & skf21("6","6","2","3","1","6","5","1") = "5"
    & skf21("6","6","2","3","1","6","6","1") = "5"
    & skf21("6","6","2","3","1","6","7","1") = "6"
    & skf21("6","6","2","3","1","7","1","1") = "6"
    & skf21("6","6","2","3","1","7","2","1") = "6"
    & skf21("6","6","2","3","1","7","3","1") = "6"
    & skf21("6","6","2","3","1","7","4","1") = "6"
    & skf21("6","6","2","3","1","7","5","1") = "6"
    & skf21("6","6","2","3","1","7","6","1") = "6"
    & skf21("6","6","2","3","1","7","7","1") = "6"
    & skf21("6","6","2","3","2","1","1","1") = "5"
    & skf21("6","6","2","3","2","1","2","1") = "5"
    & skf21("6","6","2","3","2","1","3","1") = "5"
    & skf21("6","6","2","3","2","1","4","1") = "5"
    & skf21("6","6","2","3","2","1","5","1") = "5"
    & skf21("6","6","2","3","2","1","6","1") = "5"
    & skf21("6","6","2","3","2","1","7","1") = "6"
    & skf21("6","6","2","3","2","2","1","1") = "5"
    & skf21("6","6","2","3","2","2","2","1") = "5"
    & skf21("6","6","2","3","2","2","3","1") = "5"
    & skf21("6","6","2","3","2","2","4","1") = "5"
    & skf21("6","6","2","3","2","2","5","1") = "5"
    & skf21("6","6","2","3","2","2","6","1") = "5"
    & skf21("6","6","2","3","2","2","7","1") = "6"
    & skf21("6","6","2","3","2","3","1","1") = "5"
    & skf21("6","6","2","3","2","3","2","1") = "5"
    & skf21("6","6","2","3","2","3","3","1") = "5"
    & skf21("6","6","2","3","2","3","4","1") = "5"
    & skf21("6","6","2","3","2","3","5","1") = "5"
    & skf21("6","6","2","3","2","3","6","1") = "5"
    & skf21("6","6","2","3","2","3","7","1") = "6"
    & skf21("6","6","2","3","2","4","1","1") = "5"
    & skf21("6","6","2","3","2","4","2","1") = "5"
    & skf21("6","6","2","3","2","4","3","1") = "5"
    & skf21("6","6","2","3","2","4","4","1") = "5"
    & skf21("6","6","2","3","2","4","5","1") = "5"
    & skf21("6","6","2","3","2","4","6","1") = "5"
    & skf21("6","6","2","3","2","4","7","1") = "6"
    & skf21("6","6","2","3","2","5","1","1") = "5"
    & skf21("6","6","2","3","2","5","2","1") = "5"
    & skf21("6","6","2","3","2","5","3","1") = "5"
    & skf21("6","6","2","3","2","5","4","1") = "5"
    & skf21("6","6","2","3","2","5","5","1") = "5"
    & skf21("6","6","2","3","2","5","6","1") = "5"
    & skf21("6","6","2","3","2","5","7","1") = "6"
    & skf21("6","6","2","3","2","6","1","1") = "5"
    & skf21("6","6","2","3","2","6","2","1") = "5"
    & skf21("6","6","2","3","2","6","3","1") = "5"
    & skf21("6","6","2","3","2","6","4","1") = "5"
    & skf21("6","6","2","3","2","6","5","1") = "5"
    & skf21("6","6","2","3","2","6","6","1") = "5"
    & skf21("6","6","2","3","2","6","7","1") = "6"
    & skf21("6","6","2","3","2","7","1","1") = "6"
    & skf21("6","6","2","3","2","7","2","1") = "6"
    & skf21("6","6","2","3","2","7","3","1") = "6"
    & skf21("6","6","2","3","2","7","4","1") = "6"
    & skf21("6","6","2","3","2","7","5","1") = "6"
    & skf21("6","6","2","3","2","7","6","1") = "6"
    & skf21("6","6","2","3","2","7","7","1") = "6"
    & skf21("6","6","2","3","3","1","1","1") = "5"
    & skf21("6","6","2","3","3","1","2","1") = "5"
    & skf21("6","6","2","3","3","1","3","1") = "5"
    & skf21("6","6","2","3","3","1","4","1") = "5"
    & skf21("6","6","2","3","3","1","5","1") = "5"
    & skf21("6","6","2","3","3","1","6","1") = "5"
    & skf21("6","6","2","3","3","1","7","1") = "6"
    & skf21("6","6","2","3","3","2","1","1") = "5"
    & skf21("6","6","2","3","3","2","2","1") = "5"
    & skf21("6","6","2","3","3","2","3","1") = "5"
    & skf21("6","6","2","3","3","2","4","1") = "5"
    & skf21("6","6","2","3","3","2","5","1") = "5"
    & skf21("6","6","2","3","3","2","6","1") = "5"
    & skf21("6","6","2","3","3","2","7","1") = "6"
    & skf21("6","6","2","3","3","3","1","1") = "5"
    & skf21("6","6","2","3","3","3","2","1") = "5"
    & skf21("6","6","2","3","3","3","3","1") = "5"
    & skf21("6","6","2","3","3","3","4","1") = "5"
    & skf21("6","6","2","3","3","3","5","1") = "5"
    & skf21("6","6","2","3","3","3","6","1") = "5"
    & skf21("6","6","2","3","3","3","7","1") = "6"
    & skf21("6","6","2","3","3","4","1","1") = "5"
    & skf21("6","6","2","3","3","4","2","1") = "5"
    & skf21("6","6","2","3","3","4","3","1") = "5"
    & skf21("6","6","2","3","3","4","4","1") = "5"
    & skf21("6","6","2","3","3","4","5","1") = "5"
    & skf21("6","6","2","3","3","4","6","1") = "5"
    & skf21("6","6","2","3","3","4","7","1") = "6"
    & skf21("6","6","2","3","3","5","1","1") = "5"
    & skf21("6","6","2","3","3","5","2","1") = "5"
    & skf21("6","6","2","3","3","5","3","1") = "5"
    & skf21("6","6","2","3","3","5","4","1") = "5"
    & skf21("6","6","2","3","3","5","5","1") = "5"
    & skf21("6","6","2","3","3","5","6","1") = "5"
    & skf21("6","6","2","3","3","5","7","1") = "6"
    & skf21("6","6","2","3","3","6","1","1") = "5"
    & skf21("6","6","2","3","3","6","2","1") = "5"
    & skf21("6","6","2","3","3","6","3","1") = "5"
    & skf21("6","6","2","3","3","6","4","1") = "5"
    & skf21("6","6","2","3","3","6","5","1") = "5"
    & skf21("6","6","2","3","3","6","6","1") = "5"
    & skf21("6","6","2","3","3","6","7","1") = "6"
    & skf21("6","6","2","3","3","7","1","1") = "6"
    & skf21("6","6","2","3","3","7","2","1") = "6"
    & skf21("6","6","2","3","3","7","3","1") = "6"
    & skf21("6","6","2","3","3","7","4","1") = "6"
    & skf21("6","6","2","3","3","7","5","1") = "6"
    & skf21("6","6","2","3","3","7","6","1") = "6"
    & skf21("6","6","2","3","3","7","7","1") = "6"
    & skf21("6","6","2","3","4","1","1","1") = "5"
    & skf21("6","6","2","3","4","1","2","1") = "5"
    & skf21("6","6","2","3","4","1","3","1") = "5"
    & skf21("6","6","2","3","4","1","4","1") = "5"
    & skf21("6","6","2","3","4","1","5","1") = "5"
    & skf21("6","6","2","3","4","1","6","1") = "5"
    & skf21("6","6","2","3","4","1","7","1") = "6"
    & skf21("6","6","2","3","4","2","1","1") = "5"
    & skf21("6","6","2","3","4","2","2","1") = "5"
    & skf21("6","6","2","3","4","2","3","1") = "5"
    & skf21("6","6","2","3","4","2","4","1") = "5"
    & skf21("6","6","2","3","4","2","5","1") = "5"
    & skf21("6","6","2","3","4","2","6","1") = "5"
    & skf21("6","6","2","3","4","2","7","1") = "6"
    & skf21("6","6","2","3","4","3","1","1") = "5"
    & skf21("6","6","2","3","4","3","2","1") = "5"
    & skf21("6","6","2","3","4","3","3","1") = "5"
    & skf21("6","6","2","3","4","3","4","1") = "5"
    & skf21("6","6","2","3","4","3","5","1") = "5"
    & skf21("6","6","2","3","4","3","6","1") = "5"
    & skf21("6","6","2","3","4","3","7","1") = "6"
    & skf21("6","6","2","3","4","4","1","1") = "5"
    & skf21("6","6","2","3","4","4","2","1") = "5"
    & skf21("6","6","2","3","4","4","3","1") = "5"
    & skf21("6","6","2","3","4","4","4","1") = "5"
    & skf21("6","6","2","3","4","4","5","1") = "5"
    & skf21("6","6","2","3","4","4","6","1") = "5"
    & skf21("6","6","2","3","4","4","7","1") = "6"
    & skf21("6","6","2","3","4","5","1","1") = "5"
    & skf21("6","6","2","3","4","5","2","1") = "5"
    & skf21("6","6","2","3","4","5","3","1") = "5"
    & skf21("6","6","2","3","4","5","4","1") = "5"
    & skf21("6","6","2","3","4","5","5","1") = "5"
    & skf21("6","6","2","3","4","5","6","1") = "5"
    & skf21("6","6","2","3","4","5","7","1") = "6"
    & skf21("6","6","2","3","4","6","1","1") = "5"
    & skf21("6","6","2","3","4","6","2","1") = "5"
    & skf21("6","6","2","3","4","6","3","1") = "5"
    & skf21("6","6","2","3","4","6","4","1") = "5"
    & skf21("6","6","2","3","4","6","5","1") = "5"
    & skf21("6","6","2","3","4","6","6","1") = "5"
    & skf21("6","6","2","3","4","6","7","1") = "6"
    & skf21("6","6","2","3","4","7","1","1") = "6"
    & skf21("6","6","2","3","4","7","2","1") = "6"
    & skf21("6","6","2","3","4","7","3","1") = "6"
    & skf21("6","6","2","3","4","7","4","1") = "6"
    & skf21("6","6","2","3","4","7","5","1") = "6"
    & skf21("6","6","2","3","4","7","6","1") = "6"
    & skf21("6","6","2","3","4","7","7","1") = "6"
    & skf21("6","6","2","3","5","1","1","1") = "5"
    & skf21("6","6","2","3","5","1","2","1") = "5"
    & skf21("6","6","2","3","5","1","3","1") = "5"
    & skf21("6","6","2","3","5","1","4","1") = "5"
    & skf21("6","6","2","3","5","1","5","1") = "5"
    & skf21("6","6","2","3","5","1","6","1") = "5"
    & skf21("6","6","2","3","5","1","7","1") = "6"
    & skf21("6","6","2","3","5","2","1","1") = "5"
    & skf21("6","6","2","3","5","2","2","1") = "5"
    & skf21("6","6","2","3","5","2","3","1") = "5"
    & skf21("6","6","2","3","5","2","4","1") = "5"
    & skf21("6","6","2","3","5","2","5","1") = "5"
    & skf21("6","6","2","3","5","2","6","1") = "5"
    & skf21("6","6","2","3","5","2","7","1") = "6"
    & skf21("6","6","2","3","5","3","1","1") = "5"
    & skf21("6","6","2","3","5","3","2","1") = "5"
    & skf21("6","6","2","3","5","3","3","1") = "5"
    & skf21("6","6","2","3","5","3","4","1") = "5"
    & skf21("6","6","2","3","5","3","5","1") = "5"
    & skf21("6","6","2","3","5","3","6","1") = "5"
    & skf21("6","6","2","3","5","3","7","1") = "6"
    & skf21("6","6","2","3","5","4","1","1") = "5"
    & skf21("6","6","2","3","5","4","2","1") = "5"
    & skf21("6","6","2","3","5","4","3","1") = "5"
    & skf21("6","6","2","3","5","4","4","1") = "5"
    & skf21("6","6","2","3","5","4","5","1") = "5"
    & skf21("6","6","2","3","5","4","6","1") = "5"
    & skf21("6","6","2","3","5","4","7","1") = "6"
    & skf21("6","6","2","3","5","5","1","1") = "5"
    & skf21("6","6","2","3","5","5","2","1") = "5"
    & skf21("6","6","2","3","5","5","3","1") = "5"
    & skf21("6","6","2","3","5","5","4","1") = "5"
    & skf21("6","6","2","3","5","5","5","1") = "5"
    & skf21("6","6","2","3","5","5","6","1") = "5"
    & skf21("6","6","2","3","5","5","7","1") = "6"
    & skf21("6","6","2","3","5","6","1","1") = "5"
    & skf21("6","6","2","3","5","6","2","1") = "5"
    & skf21("6","6","2","3","5","6","3","1") = "5"
    & skf21("6","6","2","3","5","6","4","1") = "5"
    & skf21("6","6","2","3","5","6","5","1") = "5"
    & skf21("6","6","2","3","5","6","6","1") = "5"
    & skf21("6","6","2","3","5","6","7","1") = "6"
    & skf21("6","6","2","3","5","7","1","1") = "6"
    & skf21("6","6","2","3","5","7","2","1") = "6"
    & skf21("6","6","2","3","5","7","3","1") = "6"
    & skf21("6","6","2","3","5","7","4","1") = "6"
    & skf21("6","6","2","3","5","7","5","1") = "6"
    & skf21("6","6","2","3","5","7","6","1") = "6"
    & skf21("6","6","2","3","5","7","7","1") = "6"
    & skf21("6","6","2","3","6","1","1","1") = "5"
    & skf21("6","6","2","3","6","1","2","1") = "5"
    & skf21("6","6","2","3","6","1","3","1") = "5"
    & skf21("6","6","2","3","6","1","4","1") = "5"
    & skf21("6","6","2","3","6","1","5","1") = "5"
    & skf21("6","6","2","3","6","1","6","1") = "5"
    & skf21("6","6","2","3","6","1","7","1") = "6"
    & skf21("6","6","2","3","6","2","1","1") = "5"
    & skf21("6","6","2","3","6","2","2","1") = "5"
    & skf21("6","6","2","3","6","2","3","1") = "5"
    & skf21("6","6","2","3","6","2","4","1") = "5"
    & skf21("6","6","2","3","6","2","5","1") = "5"
    & skf21("6","6","2","3","6","2","6","1") = "5"
    & skf21("6","6","2","3","6","2","7","1") = "6"
    & skf21("6","6","2","3","6","3","1","1") = "5"
    & skf21("6","6","2","3","6","3","2","1") = "5"
    & skf21("6","6","2","3","6","3","3","1") = "5"
    & skf21("6","6","2","3","6","3","4","1") = "5"
    & skf21("6","6","2","3","6","3","5","1") = "5"
    & skf21("6","6","2","3","6","3","6","1") = "5"
    & skf21("6","6","2","3","6","3","7","1") = "6"
    & skf21("6","6","2","3","6","4","1","1") = "5"
    & skf21("6","6","2","3","6","4","2","1") = "5"
    & skf21("6","6","2","3","6","4","3","1") = "5"
    & skf21("6","6","2","3","6","4","4","1") = "5"
    & skf21("6","6","2","3","6","4","5","1") = "5"
    & skf21("6","6","2","3","6","4","6","1") = "5"
    & skf21("6","6","2","3","6","4","7","1") = "6"
    & skf21("6","6","2","3","6","5","1","1") = "5"
    & skf21("6","6","2","3","6","5","2","1") = "5"
    & skf21("6","6","2","3","6","5","3","1") = "5"
    & skf21("6","6","2","3","6","5","4","1") = "5"
    & skf21("6","6","2","3","6","5","5","1") = "5"
    & skf21("6","6","2","3","6","5","6","1") = "5"
    & skf21("6","6","2","3","6","5","7","1") = "6"
    & skf21("6","6","2","3","6","6","1","1") = "5"
    & skf21("6","6","2","3","6","6","2","1") = "5"
    & skf21("6","6","2","3","6","6","3","1") = "5"
    & skf21("6","6","2","3","6","6","4","1") = "5"
    & skf21("6","6","2","3","6","6","5","1") = "5"
    & skf21("6","6","2","3","6","6","6","1") = "5"
    & skf21("6","6","2","3","6","6","7","1") = "6"
    & skf21("6","6","2","3","6","7","1","1") = "6"
    & skf21("6","6","2","3","6","7","2","1") = "6"
    & skf21("6","6","2","3","6","7","3","1") = "6"
    & skf21("6","6","2","3","6","7","4","1") = "6"
    & skf21("6","6","2","3","6","7","5","1") = "6"
    & skf21("6","6","2","3","6","7","6","1") = "6"
    & skf21("6","6","2","3","6","7","7","1") = "6"
    & skf21("6","6","2","3","7","1","1","1") = "6"
    & skf21("6","6","2","3","7","1","2","1") = "6"
    & skf21("6","6","2","3","7","1","3","1") = "6"
    & skf21("6","6","2","3","7","1","4","1") = "6"
    & skf21("6","6","2","3","7","1","5","1") = "6"
    & skf21("6","6","2","3","7","1","6","1") = "6"
    & skf21("6","6","2","3","7","1","7","1") = "6"
    & skf21("6","6","2","3","7","2","1","1") = "6"
    & skf21("6","6","2","3","7","2","2","1") = "6"
    & skf21("6","6","2","3","7","2","3","1") = "6"
    & skf21("6","6","2","3","7","2","4","1") = "6"
    & skf21("6","6","2","3","7","2","5","1") = "6"
    & skf21("6","6","2","3","7","2","6","1") = "6"
    & skf21("6","6","2","3","7","2","7","1") = "6"
    & skf21("6","6","2","3","7","3","1","1") = "6"
    & skf21("6","6","2","3","7","3","2","1") = "6"
    & skf21("6","6","2","3","7","3","3","1") = "6"
    & skf21("6","6","2","3","7","3","4","1") = "6"
    & skf21("6","6","2","3","7","3","5","1") = "6"
    & skf21("6","6","2","3","7","3","6","1") = "6"
    & skf21("6","6","2","3","7","3","7","1") = "6"
    & skf21("6","6","2","3","7","4","1","1") = "6"
    & skf21("6","6","2","3","7","4","2","1") = "6"
    & skf21("6","6","2","3","7","4","3","1") = "6"
    & skf21("6","6","2","3","7","4","4","1") = "6"
    & skf21("6","6","2","3","7","4","5","1") = "6"
    & skf21("6","6","2","3","7","4","6","1") = "6"
    & skf21("6","6","2","3","7","4","7","1") = "6"
    & skf21("6","6","2","3","7","5","1","1") = "6"
    & skf21("6","6","2","3","7","5","2","1") = "6"
    & skf21("6","6","2","3","7","5","3","1") = "6"
    & skf21("6","6","2","3","7","5","4","1") = "6"
    & skf21("6","6","2","3","7","5","5","1") = "6"
    & skf21("6","6","2","3","7","5","6","1") = "6"
    & skf21("6","6","2","3","7","5","7","1") = "6"
    & skf21("6","6","2","3","7","6","1","1") = "6"
    & skf21("6","6","2","3","7","6","2","1") = "6"
    & skf21("6","6","2","3","7","6","3","1") = "6"
    & skf21("6","6","2","3","7","6","4","1") = "6"
    & skf21("6","6","2","3","7","6","5","1") = "6"
    & skf21("6","6","2","3","7","6","6","1") = "6"
    & skf21("6","6","2","3","7","6","7","1") = "6"
    & skf21("6","6","2","3","7","7","1","1") = "6"
    & skf21("6","6","2","3","7","7","2","1") = "6"
    & skf21("6","6","2","3","7","7","3","1") = "6"
    & skf21("6","6","2","3","7","7","4","1") = "6"
    & skf21("6","6","2","3","7","7","5","1") = "6"
    & skf21("6","6","2","3","7","7","6","1") = "6"
    & skf21("6","6","2","3","7","7","7","1") = "6"
    & skf21("6","6","2","4","1","1","1","1") = "5"
    & skf21("6","6","2","4","1","1","2","1") = "5"
    & skf21("6","6","2","4","1","1","3","1") = "5"
    & skf21("6","6","2","4","1","1","4","1") = "5"
    & skf21("6","6","2","4","1","1","5","1") = "5"
    & skf21("6","6","2","4","1","1","6","1") = "5"
    & skf21("6","6","2","4","1","1","7","1") = "6"
    & skf21("6","6","2","4","1","2","1","1") = "5"
    & skf21("6","6","2","4","1","2","2","1") = "5"
    & skf21("6","6","2","4","1","2","3","1") = "5"
    & skf21("6","6","2","4","1","2","4","1") = "5"
    & skf21("6","6","2","4","1","2","5","1") = "5"
    & skf21("6","6","2","4","1","2","6","1") = "5"
    & skf21("6","6","2","4","1","2","7","1") = "6"
    & skf21("6","6","2","4","1","3","1","1") = "5"
    & skf21("6","6","2","4","1","3","2","1") = "5"
    & skf21("6","6","2","4","1","3","3","1") = "5"
    & skf21("6","6","2","4","1","3","4","1") = "5"
    & skf21("6","6","2","4","1","3","5","1") = "5"
    & skf21("6","6","2","4","1","3","6","1") = "5"
    & skf21("6","6","2","4","1","3","7","1") = "6"
    & skf21("6","6","2","4","1","4","1","1") = "5"
    & skf21("6","6","2","4","1","4","2","1") = "5"
    & skf21("6","6","2","4","1","4","3","1") = "5"
    & skf21("6","6","2","4","1","4","4","1") = "5"
    & skf21("6","6","2","4","1","4","5","1") = "5"
    & skf21("6","6","2","4","1","4","6","1") = "5"
    & skf21("6","6","2","4","1","4","7","1") = "6"
    & skf21("6","6","2","4","1","5","1","1") = "5"
    & skf21("6","6","2","4","1","5","2","1") = "5"
    & skf21("6","6","2","4","1","5","3","1") = "5"
    & skf21("6","6","2","4","1","5","4","1") = "5"
    & skf21("6","6","2","4","1","5","5","1") = "5"
    & skf21("6","6","2","4","1","5","6","1") = "5"
    & skf21("6","6","2","4","1","5","7","1") = "6"
    & skf21("6","6","2","4","1","6","1","1") = "5"
    & skf21("6","6","2","4","1","6","2","1") = "5"
    & skf21("6","6","2","4","1","6","3","1") = "5"
    & skf21("6","6","2","4","1","6","4","1") = "5"
    & skf21("6","6","2","4","1","6","5","1") = "5"
    & skf21("6","6","2","4","1","6","6","1") = "5"
    & skf21("6","6","2","4","1","6","7","1") = "6"
    & skf21("6","6","2","4","1","7","1","1") = "6"
    & skf21("6","6","2","4","1","7","2","1") = "6"
    & skf21("6","6","2","4","1","7","3","1") = "6"
    & skf21("6","6","2","4","1","7","4","1") = "6"
    & skf21("6","6","2","4","1","7","5","1") = "6"
    & skf21("6","6","2","4","1","7","6","1") = "6"
    & skf21("6","6","2","4","1","7","7","1") = "6"
    & skf21("6","6","2","4","2","1","1","1") = "5"
    & skf21("6","6","2","4","2","1","2","1") = "5"
    & skf21("6","6","2","4","2","1","3","1") = "5"
    & skf21("6","6","2","4","2","1","4","1") = "5"
    & skf21("6","6","2","4","2","1","5","1") = "5"
    & skf21("6","6","2","4","2","1","6","1") = "5"
    & skf21("6","6","2","4","2","1","7","1") = "6"
    & skf21("6","6","2","4","2","2","1","1") = "5"
    & skf21("6","6","2","4","2","2","2","1") = "5"
    & skf21("6","6","2","4","2","2","3","1") = "5"
    & skf21("6","6","2","4","2","2","4","1") = "5"
    & skf21("6","6","2","4","2","2","5","1") = "5"
    & skf21("6","6","2","4","2","2","6","1") = "5"
    & skf21("6","6","2","4","2","2","7","1") = "6"
    & skf21("6","6","2","4","2","3","1","1") = "5"
    & skf21("6","6","2","4","2","3","2","1") = "5"
    & skf21("6","6","2","4","2","3","3","1") = "5"
    & skf21("6","6","2","4","2","3","4","1") = "5"
    & skf21("6","6","2","4","2","3","5","1") = "5"
    & skf21("6","6","2","4","2","3","6","1") = "5"
    & skf21("6","6","2","4","2","3","7","1") = "6"
    & skf21("6","6","2","4","2","4","1","1") = "5"
    & skf21("6","6","2","4","2","4","2","1") = "5"
    & skf21("6","6","2","4","2","4","3","1") = "5"
    & skf21("6","6","2","4","2","4","4","1") = "5"
    & skf21("6","6","2","4","2","4","5","1") = "5"
    & skf21("6","6","2","4","2","4","6","1") = "5"
    & skf21("6","6","2","4","2","4","7","1") = "6"
    & skf21("6","6","2","4","2","5","1","1") = "5"
    & skf21("6","6","2","4","2","5","2","1") = "5"
    & skf21("6","6","2","4","2","5","3","1") = "5"
    & skf21("6","6","2","4","2","5","4","1") = "5"
    & skf21("6","6","2","4","2","5","5","1") = "5"
    & skf21("6","6","2","4","2","5","6","1") = "5"
    & skf21("6","6","2","4","2","5","7","1") = "6"
    & skf21("6","6","2","4","2","6","1","1") = "5"
    & skf21("6","6","2","4","2","6","2","1") = "5"
    & skf21("6","6","2","4","2","6","3","1") = "5"
    & skf21("6","6","2","4","2","6","4","1") = "5"
    & skf21("6","6","2","4","2","6","5","1") = "5"
    & skf21("6","6","2","4","2","6","6","1") = "5"
    & skf21("6","6","2","4","2","6","7","1") = "6"
    & skf21("6","6","2","4","2","7","1","1") = "6"
    & skf21("6","6","2","4","2","7","2","1") = "6"
    & skf21("6","6","2","4","2","7","3","1") = "6"
    & skf21("6","6","2","4","2","7","4","1") = "6"
    & skf21("6","6","2","4","2","7","5","1") = "6"
    & skf21("6","6","2","4","2","7","6","1") = "6"
    & skf21("6","6","2","4","2","7","7","1") = "6"
    & skf21("6","6","2","4","3","1","1","1") = "5"
    & skf21("6","6","2","4","3","1","2","1") = "5"
    & skf21("6","6","2","4","3","1","3","1") = "5"
    & skf21("6","6","2","4","3","1","4","1") = "5"
    & skf21("6","6","2","4","3","1","5","1") = "5"
    & skf21("6","6","2","4","3","1","6","1") = "5"
    & skf21("6","6","2","4","3","1","7","1") = "6"
    & skf21("6","6","2","4","3","2","1","1") = "5"
    & skf21("6","6","2","4","3","2","2","1") = "5"
    & skf21("6","6","2","4","3","2","3","1") = "5"
    & skf21("6","6","2","4","3","2","4","1") = "5"
    & skf21("6","6","2","4","3","2","5","1") = "5"
    & skf21("6","6","2","4","3","2","6","1") = "5"
    & skf21("6","6","2","4","3","2","7","1") = "6"
    & skf21("6","6","2","4","3","3","1","1") = "5"
    & skf21("6","6","2","4","3","3","2","1") = "5"
    & skf21("6","6","2","4","3","3","3","1") = "5"
    & skf21("6","6","2","4","3","3","4","1") = "5"
    & skf21("6","6","2","4","3","3","5","1") = "5"
    & skf21("6","6","2","4","3","3","6","1") = "5"
    & skf21("6","6","2","4","3","3","7","1") = "6"
    & skf21("6","6","2","4","3","4","1","1") = "5"
    & skf21("6","6","2","4","3","4","2","1") = "5"
    & skf21("6","6","2","4","3","4","3","1") = "5"
    & skf21("6","6","2","4","3","4","4","1") = "5"
    & skf21("6","6","2","4","3","4","5","1") = "5"
    & skf21("6","6","2","4","3","4","6","1") = "5"
    & skf21("6","6","2","4","3","4","7","1") = "6"
    & skf21("6","6","2","4","3","5","1","1") = "5"
    & skf21("6","6","2","4","3","5","2","1") = "5"
    & skf21("6","6","2","4","3","5","3","1") = "5"
    & skf21("6","6","2","4","3","5","4","1") = "5"
    & skf21("6","6","2","4","3","5","5","1") = "5"
    & skf21("6","6","2","4","3","5","6","1") = "5"
    & skf21("6","6","2","4","3","5","7","1") = "6"
    & skf21("6","6","2","4","3","6","1","1") = "5"
    & skf21("6","6","2","4","3","6","2","1") = "5"
    & skf21("6","6","2","4","3","6","3","1") = "5"
    & skf21("6","6","2","4","3","6","4","1") = "5"
    & skf21("6","6","2","4","3","6","5","1") = "5"
    & skf21("6","6","2","4","3","6","6","1") = "5"
    & skf21("6","6","2","4","3","6","7","1") = "6"
    & skf21("6","6","2","4","3","7","1","1") = "6"
    & skf21("6","6","2","4","3","7","2","1") = "6"
    & skf21("6","6","2","4","3","7","3","1") = "6"
    & skf21("6","6","2","4","3","7","4","1") = "6"
    & skf21("6","6","2","4","3","7","5","1") = "6"
    & skf21("6","6","2","4","3","7","6","1") = "6"
    & skf21("6","6","2","4","3","7","7","1") = "6"
    & skf21("6","6","2","4","4","1","1","1") = "5"
    & skf21("6","6","2","4","4","1","2","1") = "5"
    & skf21("6","6","2","4","4","1","3","1") = "5"
    & skf21("6","6","2","4","4","1","4","1") = "5"
    & skf21("6","6","2","4","4","1","5","1") = "5"
    & skf21("6","6","2","4","4","1","6","1") = "5"
    & skf21("6","6","2","4","4","1","7","1") = "6"
    & skf21("6","6","2","4","4","2","1","1") = "5"
    & skf21("6","6","2","4","4","2","2","1") = "5"
    & skf21("6","6","2","4","4","2","3","1") = "5"
    & skf21("6","6","2","4","4","2","4","1") = "5"
    & skf21("6","6","2","4","4","2","5","1") = "5"
    & skf21("6","6","2","4","4","2","6","1") = "5"
    & skf21("6","6","2","4","4","2","7","1") = "6"
    & skf21("6","6","2","4","4","3","1","1") = "5"
    & skf21("6","6","2","4","4","3","2","1") = "5"
    & skf21("6","6","2","4","4","3","3","1") = "5"
    & skf21("6","6","2","4","4","3","4","1") = "5"
    & skf21("6","6","2","4","4","3","5","1") = "5"
    & skf21("6","6","2","4","4","3","6","1") = "5"
    & skf21("6","6","2","4","4","3","7","1") = "6"
    & skf21("6","6","2","4","4","4","1","1") = "5"
    & skf21("6","6","2","4","4","4","2","1") = "5"
    & skf21("6","6","2","4","4","4","3","1") = "5"
    & skf21("6","6","2","4","4","4","4","1") = "5"
    & skf21("6","6","2","4","4","4","5","1") = "5"
    & skf21("6","6","2","4","4","4","6","1") = "5"
    & skf21("6","6","2","4","4","4","7","1") = "6"
    & skf21("6","6","2","4","4","5","1","1") = "5"
    & skf21("6","6","2","4","4","5","2","1") = "5"
    & skf21("6","6","2","4","4","5","3","1") = "5"
    & skf21("6","6","2","4","4","5","4","1") = "5"
    & skf21("6","6","2","4","4","5","5","1") = "5"
    & skf21("6","6","2","4","4","5","6","1") = "5"
    & skf21("6","6","2","4","4","5","7","1") = "6"
    & skf21("6","6","2","4","4","6","1","1") = "5"
    & skf21("6","6","2","4","4","6","2","1") = "5"
    & skf21("6","6","2","4","4","6","3","1") = "5"
    & skf21("6","6","2","4","4","6","4","1") = "5"
    & skf21("6","6","2","4","4","6","5","1") = "5"
    & skf21("6","6","2","4","4","6","6","1") = "5"
    & skf21("6","6","2","4","4","6","7","1") = "6"
    & skf21("6","6","2","4","4","7","1","1") = "6"
    & skf21("6","6","2","4","4","7","2","1") = "6"
    & skf21("6","6","2","4","4","7","3","1") = "6"
    & skf21("6","6","2","4","4","7","4","1") = "6"
    & skf21("6","6","2","4","4","7","5","1") = "6"
    & skf21("6","6","2","4","4","7","6","1") = "6"
    & skf21("6","6","2","4","4","7","7","1") = "6"
    & skf21("6","6","2","4","5","1","1","1") = "5"
    & skf21("6","6","2","4","5","1","2","1") = "5"
    & skf21("6","6","2","4","5","1","3","1") = "5"
    & skf21("6","6","2","4","5","1","4","1") = "5"
    & skf21("6","6","2","4","5","1","5","1") = "5"
    & skf21("6","6","2","4","5","1","6","1") = "5"
    & skf21("6","6","2","4","5","1","7","1") = "6"
    & skf21("6","6","2","4","5","2","1","1") = "5"
    & skf21("6","6","2","4","5","2","2","1") = "5"
    & skf21("6","6","2","4","5","2","3","1") = "5"
    & skf21("6","6","2","4","5","2","4","1") = "5"
    & skf21("6","6","2","4","5","2","5","1") = "5"
    & skf21("6","6","2","4","5","2","6","1") = "5"
    & skf21("6","6","2","4","5","2","7","1") = "6"
    & skf21("6","6","2","4","5","3","1","1") = "5"
    & skf21("6","6","2","4","5","3","2","1") = "5"
    & skf21("6","6","2","4","5","3","3","1") = "5"
    & skf21("6","6","2","4","5","3","4","1") = "5"
    & skf21("6","6","2","4","5","3","5","1") = "5"
    & skf21("6","6","2","4","5","3","6","1") = "5"
    & skf21("6","6","2","4","5","3","7","1") = "6"
    & skf21("6","6","2","4","5","4","1","1") = "5"
    & skf21("6","6","2","4","5","4","2","1") = "5"
    & skf21("6","6","2","4","5","4","3","1") = "5"
    & skf21("6","6","2","4","5","4","4","1") = "5"
    & skf21("6","6","2","4","5","4","5","1") = "5"
    & skf21("6","6","2","4","5","4","6","1") = "5"
    & skf21("6","6","2","4","5","4","7","1") = "6"
    & skf21("6","6","2","4","5","5","1","1") = "5"
    & skf21("6","6","2","4","5","5","2","1") = "5"
    & skf21("6","6","2","4","5","5","3","1") = "5"
    & skf21("6","6","2","4","5","5","4","1") = "5"
    & skf21("6","6","2","4","5","5","5","1") = "5"
    & skf21("6","6","2","4","5","5","6","1") = "5"
    & skf21("6","6","2","4","5","5","7","1") = "6"
    & skf21("6","6","2","4","5","6","1","1") = "5"
    & skf21("6","6","2","4","5","6","2","1") = "5"
    & skf21("6","6","2","4","5","6","3","1") = "5"
    & skf21("6","6","2","4","5","6","4","1") = "5"
    & skf21("6","6","2","4","5","6","5","1") = "5"
    & skf21("6","6","2","4","5","6","6","1") = "5"
    & skf21("6","6","2","4","5","6","7","1") = "6"
    & skf21("6","6","2","4","5","7","1","1") = "6"
    & skf21("6","6","2","4","5","7","2","1") = "6"
    & skf21("6","6","2","4","5","7","3","1") = "6"
    & skf21("6","6","2","4","5","7","4","1") = "6"
    & skf21("6","6","2","4","5","7","5","1") = "6"
    & skf21("6","6","2","4","5","7","6","1") = "6"
    & skf21("6","6","2","4","5","7","7","1") = "6"
    & skf21("6","6","2","4","6","1","1","1") = "5"
    & skf21("6","6","2","4","6","1","2","1") = "5"
    & skf21("6","6","2","4","6","1","3","1") = "5"
    & skf21("6","6","2","4","6","1","4","1") = "5"
    & skf21("6","6","2","4","6","1","5","1") = "5"
    & skf21("6","6","2","4","6","1","6","1") = "5"
    & skf21("6","6","2","4","6","1","7","1") = "6"
    & skf21("6","6","2","4","6","2","1","1") = "5"
    & skf21("6","6","2","4","6","2","2","1") = "5"
    & skf21("6","6","2","4","6","2","3","1") = "5"
    & skf21("6","6","2","4","6","2","4","1") = "5"
    & skf21("6","6","2","4","6","2","5","1") = "5"
    & skf21("6","6","2","4","6","2","6","1") = "5"
    & skf21("6","6","2","4","6","2","7","1") = "6"
    & skf21("6","6","2","4","6","3","1","1") = "5"
    & skf21("6","6","2","4","6","3","2","1") = "5"
    & skf21("6","6","2","4","6","3","3","1") = "5"
    & skf21("6","6","2","4","6","3","4","1") = "5"
    & skf21("6","6","2","4","6","3","5","1") = "5"
    & skf21("6","6","2","4","6","3","6","1") = "5"
    & skf21("6","6","2","4","6","3","7","1") = "6"
    & skf21("6","6","2","4","6","4","1","1") = "5"
    & skf21("6","6","2","4","6","4","2","1") = "5"
    & skf21("6","6","2","4","6","4","3","1") = "5"
    & skf21("6","6","2","4","6","4","4","1") = "5"
    & skf21("6","6","2","4","6","4","5","1") = "5"
    & skf21("6","6","2","4","6","4","6","1") = "5"
    & skf21("6","6","2","4","6","4","7","1") = "6"
    & skf21("6","6","2","4","6","5","1","1") = "5"
    & skf21("6","6","2","4","6","5","2","1") = "5"
    & skf21("6","6","2","4","6","5","3","1") = "5"
    & skf21("6","6","2","4","6","5","4","1") = "5"
    & skf21("6","6","2","4","6","5","5","1") = "5"
    & skf21("6","6","2","4","6","5","6","1") = "5"
    & skf21("6","6","2","4","6","5","7","1") = "6"
    & skf21("6","6","2","4","6","6","1","1") = "5"
    & skf21("6","6","2","4","6","6","2","1") = "5"
    & skf21("6","6","2","4","6","6","3","1") = "5"
    & skf21("6","6","2","4","6","6","4","1") = "5"
    & skf21("6","6","2","4","6","6","5","1") = "5"
    & skf21("6","6","2","4","6","6","6","1") = "5"
    & skf21("6","6","2","4","6","6","7","1") = "6"
    & skf21("6","6","2","4","6","7","1","1") = "6"
    & skf21("6","6","2","4","6","7","2","1") = "6"
    & skf21("6","6","2","4","6","7","3","1") = "6"
    & skf21("6","6","2","4","6","7","4","1") = "6"
    & skf21("6","6","2","4","6","7","5","1") = "6"
    & skf21("6","6","2","4","6","7","6","1") = "6"
    & skf21("6","6","2","4","6","7","7","1") = "6"
    & skf21("6","6","2","4","7","1","1","1") = "6"
    & skf21("6","6","2","4","7","1","2","1") = "6"
    & skf21("6","6","2","4","7","1","3","1") = "6"
    & skf21("6","6","2","4","7","1","4","1") = "6"
    & skf21("6","6","2","4","7","1","5","1") = "6"
    & skf21("6","6","2","4","7","1","6","1") = "6"
    & skf21("6","6","2","4","7","1","7","1") = "6"
    & skf21("6","6","2","4","7","2","1","1") = "6"
    & skf21("6","6","2","4","7","2","2","1") = "6"
    & skf21("6","6","2","4","7","2","3","1") = "6"
    & skf21("6","6","2","4","7","2","4","1") = "6"
    & skf21("6","6","2","4","7","2","5","1") = "6"
    & skf21("6","6","2","4","7","2","6","1") = "6"
    & skf21("6","6","2","4","7","2","7","1") = "6"
    & skf21("6","6","2","4","7","3","1","1") = "6"
    & skf21("6","6","2","4","7","3","2","1") = "6"
    & skf21("6","6","2","4","7","3","3","1") = "6"
    & skf21("6","6","2","4","7","3","4","1") = "6"
    & skf21("6","6","2","4","7","3","5","1") = "6"
    & skf21("6","6","2","4","7","3","6","1") = "6"
    & skf21("6","6","2","4","7","3","7","1") = "6"
    & skf21("6","6","2","4","7","4","1","1") = "6"
    & skf21("6","6","2","4","7","4","2","1") = "6"
    & skf21("6","6","2","4","7","4","3","1") = "6"
    & skf21("6","6","2","4","7","4","4","1") = "6"
    & skf21("6","6","2","4","7","4","5","1") = "6"
    & skf21("6","6","2","4","7","4","6","1") = "6"
    & skf21("6","6","2","4","7","4","7","1") = "6"
    & skf21("6","6","2","4","7","5","1","1") = "6"
    & skf21("6","6","2","4","7","5","2","1") = "6"
    & skf21("6","6","2","4","7","5","3","1") = "6"
    & skf21("6","6","2","4","7","5","4","1") = "6"
    & skf21("6","6","2","4","7","5","5","1") = "6"
    & skf21("6","6","2","4","7","5","6","1") = "6"
    & skf21("6","6","2","4","7","5","7","1") = "6"
    & skf21("6","6","2","4","7","6","1","1") = "6"
    & skf21("6","6","2","4","7","6","2","1") = "6"
    & skf21("6","6","2","4","7","6","3","1") = "6"
    & skf21("6","6","2","4","7","6","4","1") = "6"
    & skf21("6","6","2","4","7","6","5","1") = "6"
    & skf21("6","6","2","4","7","6","6","1") = "6"
    & skf21("6","6","2","4","7","6","7","1") = "6"
    & skf21("6","6","2","4","7","7","1","1") = "6"
    & skf21("6","6","2","4","7","7","2","1") = "6"
    & skf21("6","6","2","4","7","7","3","1") = "6"
    & skf21("6","6","2","4","7","7","4","1") = "6"
    & skf21("6","6","2","4","7","7","5","1") = "6"
    & skf21("6","6","2","4","7","7","6","1") = "6"
    & skf21("6","6","2","4","7","7","7","1") = "6"
    & skf21("6","6","2","5","1","1","1","1") = "5"
    & skf21("6","6","2","5","1","1","2","1") = "5"
    & skf21("6","6","2","5","1","1","3","1") = "5"
    & skf21("6","6","2","5","1","1","4","1") = "5"
    & skf21("6","6","2","5","1","1","5","1") = "5"
    & skf21("6","6","2","5","1","1","6","1") = "5"
    & skf21("6","6","2","5","1","1","7","1") = "6"
    & skf21("6","6","2","5","1","2","1","1") = "5"
    & skf21("6","6","2","5","1","2","2","1") = "5"
    & skf21("6","6","2","5","1","2","3","1") = "5"
    & skf21("6","6","2","5","1","2","4","1") = "5"
    & skf21("6","6","2","5","1","2","5","1") = "5"
    & skf21("6","6","2","5","1","2","6","1") = "5"
    & skf21("6","6","2","5","1","2","7","1") = "6"
    & skf21("6","6","2","5","1","3","1","1") = "5"
    & skf21("6","6","2","5","1","3","2","1") = "5"
    & skf21("6","6","2","5","1","3","3","1") = "5"
    & skf21("6","6","2","5","1","3","4","1") = "5"
    & skf21("6","6","2","5","1","3","5","1") = "5"
    & skf21("6","6","2","5","1","3","6","1") = "5"
    & skf21("6","6","2","5","1","3","7","1") = "6"
    & skf21("6","6","2","5","1","4","1","1") = "5"
    & skf21("6","6","2","5","1","4","2","1") = "5"
    & skf21("6","6","2","5","1","4","3","1") = "5"
    & skf21("6","6","2","5","1","4","4","1") = "5"
    & skf21("6","6","2","5","1","4","5","1") = "5"
    & skf21("6","6","2","5","1","4","6","1") = "5"
    & skf21("6","6","2","5","1","4","7","1") = "6"
    & skf21("6","6","2","5","1","5","1","1") = "5"
    & skf21("6","6","2","5","1","5","2","1") = "5"
    & skf21("6","6","2","5","1","5","3","1") = "5"
    & skf21("6","6","2","5","1","5","4","1") = "5"
    & skf21("6","6","2","5","1","5","5","1") = "5"
    & skf21("6","6","2","5","1","5","6","1") = "5"
    & skf21("6","6","2","5","1","5","7","1") = "6"
    & skf21("6","6","2","5","1","6","1","1") = "5"
    & skf21("6","6","2","5","1","6","2","1") = "5"
    & skf21("6","6","2","5","1","6","3","1") = "5"
    & skf21("6","6","2","5","1","6","4","1") = "5"
    & skf21("6","6","2","5","1","6","5","1") = "5"
    & skf21("6","6","2","5","1","6","6","1") = "5"
    & skf21("6","6","2","5","1","6","7","1") = "6"
    & skf21("6","6","2","5","1","7","1","1") = "6"
    & skf21("6","6","2","5","1","7","2","1") = "6"
    & skf21("6","6","2","5","1","7","3","1") = "6"
    & skf21("6","6","2","5","1","7","4","1") = "6"
    & skf21("6","6","2","5","1","7","5","1") = "6"
    & skf21("6","6","2","5","1","7","6","1") = "6"
    & skf21("6","6","2","5","1","7","7","1") = "6"
    & skf21("6","6","2","5","2","1","1","1") = "5"
    & skf21("6","6","2","5","2","1","2","1") = "5"
    & skf21("6","6","2","5","2","1","3","1") = "5"
    & skf21("6","6","2","5","2","1","4","1") = "5"
    & skf21("6","6","2","5","2","1","5","1") = "5"
    & skf21("6","6","2","5","2","1","6","1") = "5"
    & skf21("6","6","2","5","2","1","7","1") = "6"
    & skf21("6","6","2","5","2","2","1","1") = "5"
    & skf21("6","6","2","5","2","2","2","1") = "5"
    & skf21("6","6","2","5","2","2","3","1") = "5"
    & skf21("6","6","2","5","2","2","4","1") = "5"
    & skf21("6","6","2","5","2","2","5","1") = "5"
    & skf21("6","6","2","5","2","2","6","1") = "5"
    & skf21("6","6","2","5","2","2","7","1") = "6"
    & skf21("6","6","2","5","2","3","1","1") = "5"
    & skf21("6","6","2","5","2","3","2","1") = "5"
    & skf21("6","6","2","5","2","3","3","1") = "5"
    & skf21("6","6","2","5","2","3","4","1") = "5"
    & skf21("6","6","2","5","2","3","5","1") = "5"
    & skf21("6","6","2","5","2","3","6","1") = "5"
    & skf21("6","6","2","5","2","3","7","1") = "6"
    & skf21("6","6","2","5","2","4","1","1") = "5"
    & skf21("6","6","2","5","2","4","2","1") = "5"
    & skf21("6","6","2","5","2","4","3","1") = "5"
    & skf21("6","6","2","5","2","4","4","1") = "5"
    & skf21("6","6","2","5","2","4","5","1") = "5"
    & skf21("6","6","2","5","2","4","6","1") = "5"
    & skf21("6","6","2","5","2","4","7","1") = "6"
    & skf21("6","6","2","5","2","5","1","1") = "5"
    & skf21("6","6","2","5","2","5","2","1") = "5"
    & skf21("6","6","2","5","2","5","3","1") = "5"
    & skf21("6","6","2","5","2","5","4","1") = "5"
    & skf21("6","6","2","5","2","5","5","1") = "5"
    & skf21("6","6","2","5","2","5","6","1") = "5"
    & skf21("6","6","2","5","2","5","7","1") = "6"
    & skf21("6","6","2","5","2","6","1","1") = "5"
    & skf21("6","6","2","5","2","6","2","1") = "5"
    & skf21("6","6","2","5","2","6","3","1") = "5"
    & skf21("6","6","2","5","2","6","4","1") = "5"
    & skf21("6","6","2","5","2","6","5","1") = "5"
    & skf21("6","6","2","5","2","6","6","1") = "5"
    & skf21("6","6","2","5","2","6","7","1") = "6"
    & skf21("6","6","2","5","2","7","1","1") = "6"
    & skf21("6","6","2","5","2","7","2","1") = "6"
    & skf21("6","6","2","5","2","7","3","1") = "6"
    & skf21("6","6","2","5","2","7","4","1") = "6"
    & skf21("6","6","2","5","2","7","5","1") = "6"
    & skf21("6","6","2","5","2","7","6","1") = "6"
    & skf21("6","6","2","5","2","7","7","1") = "6"
    & skf21("6","6","2","5","3","1","1","1") = "5"
    & skf21("6","6","2","5","3","1","2","1") = "5"
    & skf21("6","6","2","5","3","1","3","1") = "5"
    & skf21("6","6","2","5","3","1","4","1") = "5"
    & skf21("6","6","2","5","3","1","5","1") = "5"
    & skf21("6","6","2","5","3","1","6","1") = "5"
    & skf21("6","6","2","5","3","1","7","1") = "6"
    & skf21("6","6","2","5","3","2","1","1") = "5"
    & skf21("6","6","2","5","3","2","2","1") = "5"
    & skf21("6","6","2","5","3","2","3","1") = "5"
    & skf21("6","6","2","5","3","2","4","1") = "5"
    & skf21("6","6","2","5","3","2","5","1") = "5"
    & skf21("6","6","2","5","3","2","6","1") = "5"
    & skf21("6","6","2","5","3","2","7","1") = "6"
    & skf21("6","6","2","5","3","3","1","1") = "5"
    & skf21("6","6","2","5","3","3","2","1") = "5"
    & skf21("6","6","2","5","3","3","3","1") = "5"
    & skf21("6","6","2","5","3","3","4","1") = "5"
    & skf21("6","6","2","5","3","3","5","1") = "5"
    & skf21("6","6","2","5","3","3","6","1") = "5"
    & skf21("6","6","2","5","3","3","7","1") = "6"
    & skf21("6","6","2","5","3","4","1","1") = "5"
    & skf21("6","6","2","5","3","4","2","1") = "5"
    & skf21("6","6","2","5","3","4","3","1") = "5"
    & skf21("6","6","2","5","3","4","4","1") = "5"
    & skf21("6","6","2","5","3","4","5","1") = "5"
    & skf21("6","6","2","5","3","4","6","1") = "5"
    & skf21("6","6","2","5","3","4","7","1") = "6"
    & skf21("6","6","2","5","3","5","1","1") = "5"
    & skf21("6","6","2","5","3","5","2","1") = "5"
    & skf21("6","6","2","5","3","5","3","1") = "5"
    & skf21("6","6","2","5","3","5","4","1") = "5"
    & skf21("6","6","2","5","3","5","5","1") = "5"
    & skf21("6","6","2","5","3","5","6","1") = "5"
    & skf21("6","6","2","5","3","5","7","1") = "6"
    & skf21("6","6","2","5","3","6","1","1") = "5"
    & skf21("6","6","2","5","3","6","2","1") = "5"
    & skf21("6","6","2","5","3","6","3","1") = "5"
    & skf21("6","6","2","5","3","6","4","1") = "5"
    & skf21("6","6","2","5","3","6","5","1") = "5"
    & skf21("6","6","2","5","3","6","6","1") = "5"
    & skf21("6","6","2","5","3","6","7","1") = "6"
    & skf21("6","6","2","5","3","7","1","1") = "6"
    & skf21("6","6","2","5","3","7","2","1") = "6"
    & skf21("6","6","2","5","3","7","3","1") = "6"
    & skf21("6","6","2","5","3","7","4","1") = "6"
    & skf21("6","6","2","5","3","7","5","1") = "6"
    & skf21("6","6","2","5","3","7","6","1") = "6"
    & skf21("6","6","2","5","3","7","7","1") = "6"
    & skf21("6","6","2","5","4","1","1","1") = "5"
    & skf21("6","6","2","5","4","1","2","1") = "5"
    & skf21("6","6","2","5","4","1","3","1") = "5"
    & skf21("6","6","2","5","4","1","4","1") = "5"
    & skf21("6","6","2","5","4","1","5","1") = "5"
    & skf21("6","6","2","5","4","1","6","1") = "5"
    & skf21("6","6","2","5","4","1","7","1") = "6"
    & skf21("6","6","2","5","4","2","1","1") = "5"
    & skf21("6","6","2","5","4","2","2","1") = "5"
    & skf21("6","6","2","5","4","2","3","1") = "5"
    & skf21("6","6","2","5","4","2","4","1") = "5"
    & skf21("6","6","2","5","4","2","5","1") = "5"
    & skf21("6","6","2","5","4","2","6","1") = "5"
    & skf21("6","6","2","5","4","2","7","1") = "6"
    & skf21("6","6","2","5","4","3","1","1") = "5"
    & skf21("6","6","2","5","4","3","2","1") = "5"
    & skf21("6","6","2","5","4","3","3","1") = "5"
    & skf21("6","6","2","5","4","3","4","1") = "5"
    & skf21("6","6","2","5","4","3","5","1") = "5"
    & skf21("6","6","2","5","4","3","6","1") = "5"
    & skf21("6","6","2","5","4","3","7","1") = "6"
    & skf21("6","6","2","5","4","4","1","1") = "5"
    & skf21("6","6","2","5","4","4","2","1") = "5"
    & skf21("6","6","2","5","4","4","3","1") = "5"
    & skf21("6","6","2","5","4","4","4","1") = "5"
    & skf21("6","6","2","5","4","4","5","1") = "5"
    & skf21("6","6","2","5","4","4","6","1") = "5"
    & skf21("6","6","2","5","4","4","7","1") = "6"
    & skf21("6","6","2","5","4","5","1","1") = "5"
    & skf21("6","6","2","5","4","5","2","1") = "5"
    & skf21("6","6","2","5","4","5","3","1") = "5"
    & skf21("6","6","2","5","4","5","4","1") = "5"
    & skf21("6","6","2","5","4","5","5","1") = "5"
    & skf21("6","6","2","5","4","5","6","1") = "5"
    & skf21("6","6","2","5","4","5","7","1") = "6"
    & skf21("6","6","2","5","4","6","1","1") = "5"
    & skf21("6","6","2","5","4","6","2","1") = "5"
    & skf21("6","6","2","5","4","6","3","1") = "5"
    & skf21("6","6","2","5","4","6","4","1") = "5"
    & skf21("6","6","2","5","4","6","5","1") = "5"
    & skf21("6","6","2","5","4","6","6","1") = "5"
    & skf21("6","6","2","5","4","6","7","1") = "6"
    & skf21("6","6","2","5","4","7","1","1") = "6"
    & skf21("6","6","2","5","4","7","2","1") = "6"
    & skf21("6","6","2","5","4","7","3","1") = "6"
    & skf21("6","6","2","5","4","7","4","1") = "6"
    & skf21("6","6","2","5","4","7","5","1") = "6"
    & skf21("6","6","2","5","4","7","6","1") = "6"
    & skf21("6","6","2","5","4","7","7","1") = "6"
    & skf21("6","6","2","5","5","1","1","1") = "5"
    & skf21("6","6","2","5","5","1","2","1") = "5"
    & skf21("6","6","2","5","5","1","3","1") = "5"
    & skf21("6","6","2","5","5","1","4","1") = "5"
    & skf21("6","6","2","5","5","1","5","1") = "5"
    & skf21("6","6","2","5","5","1","6","1") = "5"
    & skf21("6","6","2","5","5","1","7","1") = "6"
    & skf21("6","6","2","5","5","2","1","1") = "5"
    & skf21("6","6","2","5","5","2","2","1") = "5"
    & skf21("6","6","2","5","5","2","3","1") = "5"
    & skf21("6","6","2","5","5","2","4","1") = "5"
    & skf21("6","6","2","5","5","2","5","1") = "5"
    & skf21("6","6","2","5","5","2","6","1") = "5"
    & skf21("6","6","2","5","5","2","7","1") = "6"
    & skf21("6","6","2","5","5","3","1","1") = "5"
    & skf21("6","6","2","5","5","3","2","1") = "5"
    & skf21("6","6","2","5","5","3","3","1") = "5"
    & skf21("6","6","2","5","5","3","4","1") = "5"
    & skf21("6","6","2","5","5","3","5","1") = "5"
    & skf21("6","6","2","5","5","3","6","1") = "5"
    & skf21("6","6","2","5","5","3","7","1") = "6"
    & skf21("6","6","2","5","5","4","1","1") = "5"
    & skf21("6","6","2","5","5","4","2","1") = "5"
    & skf21("6","6","2","5","5","4","3","1") = "5"
    & skf21("6","6","2","5","5","4","4","1") = "5"
    & skf21("6","6","2","5","5","4","5","1") = "5"
    & skf21("6","6","2","5","5","4","6","1") = "5"
    & skf21("6","6","2","5","5","4","7","1") = "6"
    & skf21("6","6","2","5","5","5","1","1") = "5"
    & skf21("6","6","2","5","5","5","2","1") = "5"
    & skf21("6","6","2","5","5","5","3","1") = "5"
    & skf21("6","6","2","5","5","5","4","1") = "5"
    & skf21("6","6","2","5","5","5","5","1") = "5"
    & skf21("6","6","2","5","5","5","6","1") = "5"
    & skf21("6","6","2","5","5","5","7","1") = "6"
    & skf21("6","6","2","5","5","6","1","1") = "5"
    & skf21("6","6","2","5","5","6","2","1") = "5"
    & skf21("6","6","2","5","5","6","3","1") = "5"
    & skf21("6","6","2","5","5","6","4","1") = "5"
    & skf21("6","6","2","5","5","6","5","1") = "5"
    & skf21("6","6","2","5","5","6","6","1") = "5"
    & skf21("6","6","2","5","5","6","7","1") = "6"
    & skf21("6","6","2","5","5","7","1","1") = "6"
    & skf21("6","6","2","5","5","7","2","1") = "6"
    & skf21("6","6","2","5","5","7","3","1") = "6"
    & skf21("6","6","2","5","5","7","4","1") = "6"
    & skf21("6","6","2","5","5","7","5","1") = "6"
    & skf21("6","6","2","5","5","7","6","1") = "6"
    & skf21("6","6","2","5","5","7","7","1") = "6"
    & skf21("6","6","2","5","6","1","1","1") = "5"
    & skf21("6","6","2","5","6","1","2","1") = "5"
    & skf21("6","6","2","5","6","1","3","1") = "5"
    & skf21("6","6","2","5","6","1","4","1") = "5"
    & skf21("6","6","2","5","6","1","5","1") = "5"
    & skf21("6","6","2","5","6","1","6","1") = "5"
    & skf21("6","6","2","5","6","1","7","1") = "6"
    & skf21("6","6","2","5","6","2","1","1") = "5"
    & skf21("6","6","2","5","6","2","2","1") = "5"
    & skf21("6","6","2","5","6","2","3","1") = "5"
    & skf21("6","6","2","5","6","2","4","1") = "5"
    & skf21("6","6","2","5","6","2","5","1") = "5"
    & skf21("6","6","2","5","6","2","6","1") = "5"
    & skf21("6","6","2","5","6","2","7","1") = "6"
    & skf21("6","6","2","5","6","3","1","1") = "5"
    & skf21("6","6","2","5","6","3","2","1") = "5"
    & skf21("6","6","2","5","6","3","3","1") = "5"
    & skf21("6","6","2","5","6","3","4","1") = "5"
    & skf21("6","6","2","5","6","3","5","1") = "5"
    & skf21("6","6","2","5","6","3","6","1") = "5"
    & skf21("6","6","2","5","6","3","7","1") = "6"
    & skf21("6","6","2","5","6","4","1","1") = "5"
    & skf21("6","6","2","5","6","4","2","1") = "5"
    & skf21("6","6","2","5","6","4","3","1") = "5"
    & skf21("6","6","2","5","6","4","4","1") = "5"
    & skf21("6","6","2","5","6","4","5","1") = "5"
    & skf21("6","6","2","5","6","4","6","1") = "5"
    & skf21("6","6","2","5","6","4","7","1") = "6"
    & skf21("6","6","2","5","6","5","1","1") = "5"
    & skf21("6","6","2","5","6","5","2","1") = "5"
    & skf21("6","6","2","5","6","5","3","1") = "5"
    & skf21("6","6","2","5","6","5","4","1") = "5"
    & skf21("6","6","2","5","6","5","5","1") = "5"
    & skf21("6","6","2","5","6","5","6","1") = "5"
    & skf21("6","6","2","5","6","5","7","1") = "6"
    & skf21("6","6","2","5","6","6","1","1") = "5"
    & skf21("6","6","2","5","6","6","2","1") = "5"
    & skf21("6","6","2","5","6","6","3","1") = "5"
    & skf21("6","6","2","5","6","6","4","1") = "5"
    & skf21("6","6","2","5","6","6","5","1") = "5"
    & skf21("6","6","2","5","6","6","6","1") = "5"
    & skf21("6","6","2","5","6","6","7","1") = "6"
    & skf21("6","6","2","5","6","7","1","1") = "6"
    & skf21("6","6","2","5","6","7","2","1") = "6"
    & skf21("6","6","2","5","6","7","3","1") = "6"
    & skf21("6","6","2","5","6","7","4","1") = "6"
    & skf21("6","6","2","5","6","7","5","1") = "6"
    & skf21("6","6","2","5","6","7","6","1") = "6"
    & skf21("6","6","2","5","6","7","7","1") = "6"
    & skf21("6","6","2","5","7","1","1","1") = "6"
    & skf21("6","6","2","5","7","1","2","1") = "6"
    & skf21("6","6","2","5","7","1","3","1") = "6"
    & skf21("6","6","2","5","7","1","4","1") = "6"
    & skf21("6","6","2","5","7","1","5","1") = "6"
    & skf21("6","6","2","5","7","1","6","1") = "6"
    & skf21("6","6","2","5","7","1","7","1") = "6"
    & skf21("6","6","2","5","7","2","1","1") = "6"
    & skf21("6","6","2","5","7","2","2","1") = "6"
    & skf21("6","6","2","5","7","2","3","1") = "6"
    & skf21("6","6","2","5","7","2","4","1") = "6"
    & skf21("6","6","2","5","7","2","5","1") = "6"
    & skf21("6","6","2","5","7","2","6","1") = "6"
    & skf21("6","6","2","5","7","2","7","1") = "6"
    & skf21("6","6","2","5","7","3","1","1") = "6"
    & skf21("6","6","2","5","7","3","2","1") = "6"
    & skf21("6","6","2","5","7","3","3","1") = "6"
    & skf21("6","6","2","5","7","3","4","1") = "6"
    & skf21("6","6","2","5","7","3","5","1") = "6"
    & skf21("6","6","2","5","7","3","6","1") = "6"
    & skf21("6","6","2","5","7","3","7","1") = "6"
    & skf21("6","6","2","5","7","4","1","1") = "6"
    & skf21("6","6","2","5","7","4","2","1") = "6"
    & skf21("6","6","2","5","7","4","3","1") = "6"
    & skf21("6","6","2","5","7","4","4","1") = "6"
    & skf21("6","6","2","5","7","4","5","1") = "6"
    & skf21("6","6","2","5","7","4","6","1") = "6"
    & skf21("6","6","2","5","7","4","7","1") = "6"
    & skf21("6","6","2","5","7","5","1","1") = "6"
    & skf21("6","6","2","5","7","5","2","1") = "6"
    & skf21("6","6","2","5","7","5","3","1") = "6"
    & skf21("6","6","2","5","7","5","4","1") = "6"
    & skf21("6","6","2","5","7","5","5","1") = "6"
    & skf21("6","6","2","5","7","5","6","1") = "6"
    & skf21("6","6","2","5","7","5","7","1") = "6"
    & skf21("6","6","2","5","7","6","1","1") = "6"
    & skf21("6","6","2","5","7","6","2","1") = "6"
    & skf21("6","6","2","5","7","6","3","1") = "6"
    & skf21("6","6","2","5","7","6","4","1") = "6"
    & skf21("6","6","2","5","7","6","5","1") = "6"
    & skf21("6","6","2","5","7","6","6","1") = "6"
    & skf21("6","6","2","5","7","6","7","1") = "6"
    & skf21("6","6","2","5","7","7","1","1") = "6"
    & skf21("6","6","2","5","7","7","2","1") = "6"
    & skf21("6","6","2","5","7","7","3","1") = "6"
    & skf21("6","6","2","5","7","7","4","1") = "6"
    & skf21("6","6","2","5","7","7","5","1") = "6"
    & skf21("6","6","2","5","7","7","6","1") = "6"
    & skf21("6","6","2","5","7","7","7","1") = "6"
    & skf21("6","6","2","6","1","1","1","1") = "5"
    & skf21("6","6","2","6","1","1","2","1") = "5"
    & skf21("6","6","2","6","1","1","3","1") = "5"
    & skf21("6","6","2","6","1","1","4","1") = "5"
    & skf21("6","6","2","6","1","1","5","1") = "5"
    & skf21("6","6","2","6","1","1","6","1") = "5"
    & skf21("6","6","2","6","1","1","7","1") = "6"
    & skf21("6","6","2","6","1","2","1","1") = "5"
    & skf21("6","6","2","6","1","2","2","1") = "5"
    & skf21("6","6","2","6","1","2","3","1") = "5"
    & skf21("6","6","2","6","1","2","4","1") = "5"
    & skf21("6","6","2","6","1","2","5","1") = "5"
    & skf21("6","6","2","6","1","2","6","1") = "5"
    & skf21("6","6","2","6","1","2","7","1") = "6"
    & skf21("6","6","2","6","1","3","1","1") = "5"
    & skf21("6","6","2","6","1","3","2","1") = "5"
    & skf21("6","6","2","6","1","3","3","1") = "5"
    & skf21("6","6","2","6","1","3","4","1") = "5"
    & skf21("6","6","2","6","1","3","5","1") = "5"
    & skf21("6","6","2","6","1","3","6","1") = "5"
    & skf21("6","6","2","6","1","3","7","1") = "6"
    & skf21("6","6","2","6","1","4","1","1") = "5"
    & skf21("6","6","2","6","1","4","2","1") = "5"
    & skf21("6","6","2","6","1","4","3","1") = "5"
    & skf21("6","6","2","6","1","4","4","1") = "5"
    & skf21("6","6","2","6","1","4","5","1") = "5"
    & skf21("6","6","2","6","1","4","6","1") = "5"
    & skf21("6","6","2","6","1","4","7","1") = "6"
    & skf21("6","6","2","6","1","5","1","1") = "5"
    & skf21("6","6","2","6","1","5","2","1") = "5"
    & skf21("6","6","2","6","1","5","3","1") = "5"
    & skf21("6","6","2","6","1","5","4","1") = "5"
    & skf21("6","6","2","6","1","5","5","1") = "5"
    & skf21("6","6","2","6","1","5","6","1") = "5"
    & skf21("6","6","2","6","1","5","7","1") = "6"
    & skf21("6","6","2","6","1","6","1","1") = "5"
    & skf21("6","6","2","6","1","6","2","1") = "5"
    & skf21("6","6","2","6","1","6","3","1") = "5"
    & skf21("6","6","2","6","1","6","4","1") = "5"
    & skf21("6","6","2","6","1","6","5","1") = "5"
    & skf21("6","6","2","6","1","6","6","1") = "5"
    & skf21("6","6","2","6","1","6","7","1") = "6"
    & skf21("6","6","2","6","1","7","1","1") = "6"
    & skf21("6","6","2","6","1","7","2","1") = "6"
    & skf21("6","6","2","6","1","7","3","1") = "6"
    & skf21("6","6","2","6","1","7","4","1") = "6"
    & skf21("6","6","2","6","1","7","5","1") = "6"
    & skf21("6","6","2","6","1","7","6","1") = "6"
    & skf21("6","6","2","6","1","7","7","1") = "6"
    & skf21("6","6","2","6","2","1","1","1") = "5"
    & skf21("6","6","2","6","2","1","2","1") = "5"
    & skf21("6","6","2","6","2","1","3","1") = "5"
    & skf21("6","6","2","6","2","1","4","1") = "5"
    & skf21("6","6","2","6","2","1","5","1") = "5"
    & skf21("6","6","2","6","2","1","6","1") = "5"
    & skf21("6","6","2","6","2","1","7","1") = "6"
    & skf21("6","6","2","6","2","2","1","1") = "5"
    & skf21("6","6","2","6","2","2","2","1") = "5"
    & skf21("6","6","2","6","2","2","3","1") = "5"
    & skf21("6","6","2","6","2","2","4","1") = "5"
    & skf21("6","6","2","6","2","2","5","1") = "5"
    & skf21("6","6","2","6","2","2","6","1") = "5"
    & skf21("6","6","2","6","2","2","7","1") = "6"
    & skf21("6","6","2","6","2","3","1","1") = "5"
    & skf21("6","6","2","6","2","3","2","1") = "5"
    & skf21("6","6","2","6","2","3","3","1") = "5"
    & skf21("6","6","2","6","2","3","4","1") = "5"
    & skf21("6","6","2","6","2","3","5","1") = "5"
    & skf21("6","6","2","6","2","3","6","1") = "5"
    & skf21("6","6","2","6","2","3","7","1") = "6"
    & skf21("6","6","2","6","2","4","1","1") = "5"
    & skf21("6","6","2","6","2","4","2","1") = "5"
    & skf21("6","6","2","6","2","4","3","1") = "5"
    & skf21("6","6","2","6","2","4","4","1") = "5"
    & skf21("6","6","2","6","2","4","5","1") = "5"
    & skf21("6","6","2","6","2","4","6","1") = "5"
    & skf21("6","6","2","6","2","4","7","1") = "6"
    & skf21("6","6","2","6","2","5","1","1") = "5"
    & skf21("6","6","2","6","2","5","2","1") = "5"
    & skf21("6","6","2","6","2","5","3","1") = "5"
    & skf21("6","6","2","6","2","5","4","1") = "5"
    & skf21("6","6","2","6","2","5","5","1") = "5"
    & skf21("6","6","2","6","2","5","6","1") = "5"
    & skf21("6","6","2","6","2","5","7","1") = "6"
    & skf21("6","6","2","6","2","6","1","1") = "5"
    & skf21("6","6","2","6","2","6","2","1") = "5"
    & skf21("6","6","2","6","2","6","3","1") = "5"
    & skf21("6","6","2","6","2","6","4","1") = "5"
    & skf21("6","6","2","6","2","6","5","1") = "5"
    & skf21("6","6","2","6","2","6","6","1") = "5"
    & skf21("6","6","2","6","2","6","7","1") = "6"
    & skf21("6","6","2","6","2","7","1","1") = "6"
    & skf21("6","6","2","6","2","7","2","1") = "6"
    & skf21("6","6","2","6","2","7","3","1") = "6"
    & skf21("6","6","2","6","2","7","4","1") = "6"
    & skf21("6","6","2","6","2","7","5","1") = "6"
    & skf21("6","6","2","6","2","7","6","1") = "6"
    & skf21("6","6","2","6","2","7","7","1") = "6"
    & skf21("6","6","2","6","3","1","1","1") = "5"
    & skf21("6","6","2","6","3","1","2","1") = "5"
    & skf21("6","6","2","6","3","1","3","1") = "5"
    & skf21("6","6","2","6","3","1","4","1") = "5"
    & skf21("6","6","2","6","3","1","5","1") = "5"
    & skf21("6","6","2","6","3","1","6","1") = "5"
    & skf21("6","6","2","6","3","1","7","1") = "6"
    & skf21("6","6","2","6","3","2","1","1") = "5"
    & skf21("6","6","2","6","3","2","2","1") = "5"
    & skf21("6","6","2","6","3","2","3","1") = "5"
    & skf21("6","6","2","6","3","2","4","1") = "5"
    & skf21("6","6","2","6","3","2","5","1") = "5"
    & skf21("6","6","2","6","3","2","6","1") = "5"
    & skf21("6","6","2","6","3","2","7","1") = "6"
    & skf21("6","6","2","6","3","3","1","1") = "5"
    & skf21("6","6","2","6","3","3","2","1") = "5"
    & skf21("6","6","2","6","3","3","3","1") = "5"
    & skf21("6","6","2","6","3","3","4","1") = "5"
    & skf21("6","6","2","6","3","3","5","1") = "5"
    & skf21("6","6","2","6","3","3","6","1") = "5"
    & skf21("6","6","2","6","3","3","7","1") = "6"
    & skf21("6","6","2","6","3","4","1","1") = "5"
    & skf21("6","6","2","6","3","4","2","1") = "5"
    & skf21("6","6","2","6","3","4","3","1") = "5"
    & skf21("6","6","2","6","3","4","4","1") = "5"
    & skf21("6","6","2","6","3","4","5","1") = "5"
    & skf21("6","6","2","6","3","4","6","1") = "5"
    & skf21("6","6","2","6","3","4","7","1") = "6"
    & skf21("6","6","2","6","3","5","1","1") = "5"
    & skf21("6","6","2","6","3","5","2","1") = "5"
    & skf21("6","6","2","6","3","5","3","1") = "5"
    & skf21("6","6","2","6","3","5","4","1") = "5"
    & skf21("6","6","2","6","3","5","5","1") = "5"
    & skf21("6","6","2","6","3","5","6","1") = "5"
    & skf21("6","6","2","6","3","5","7","1") = "6"
    & skf21("6","6","2","6","3","6","1","1") = "5"
    & skf21("6","6","2","6","3","6","2","1") = "5"
    & skf21("6","6","2","6","3","6","3","1") = "5"
    & skf21("6","6","2","6","3","6","4","1") = "5"
    & skf21("6","6","2","6","3","6","5","1") = "5"
    & skf21("6","6","2","6","3","6","6","1") = "5"
    & skf21("6","6","2","6","3","6","7","1") = "6"
    & skf21("6","6","2","6","3","7","1","1") = "6"
    & skf21("6","6","2","6","3","7","2","1") = "6"
    & skf21("6","6","2","6","3","7","3","1") = "6"
    & skf21("6","6","2","6","3","7","4","1") = "6"
    & skf21("6","6","2","6","3","7","5","1") = "6"
    & skf21("6","6","2","6","3","7","6","1") = "6"
    & skf21("6","6","2","6","3","7","7","1") = "6"
    & skf21("6","6","2","6","4","1","1","1") = "5"
    & skf21("6","6","2","6","4","1","2","1") = "5"
    & skf21("6","6","2","6","4","1","3","1") = "5"
    & skf21("6","6","2","6","4","1","4","1") = "5"
    & skf21("6","6","2","6","4","1","5","1") = "5"
    & skf21("6","6","2","6","4","1","6","1") = "5"
    & skf21("6","6","2","6","4","1","7","1") = "6"
    & skf21("6","6","2","6","4","2","1","1") = "5"
    & skf21("6","6","2","6","4","2","2","1") = "5"
    & skf21("6","6","2","6","4","2","3","1") = "5"
    & skf21("6","6","2","6","4","2","4","1") = "5"
    & skf21("6","6","2","6","4","2","5","1") = "5"
    & skf21("6","6","2","6","4","2","6","1") = "5"
    & skf21("6","6","2","6","4","2","7","1") = "6"
    & skf21("6","6","2","6","4","3","1","1") = "5"
    & skf21("6","6","2","6","4","3","2","1") = "5"
    & skf21("6","6","2","6","4","3","3","1") = "5"
    & skf21("6","6","2","6","4","3","4","1") = "5"
    & skf21("6","6","2","6","4","3","5","1") = "5"
    & skf21("6","6","2","6","4","3","6","1") = "5"
    & skf21("6","6","2","6","4","3","7","1") = "6"
    & skf21("6","6","2","6","4","4","1","1") = "5"
    & skf21("6","6","2","6","4","4","2","1") = "5"
    & skf21("6","6","2","6","4","4","3","1") = "5"
    & skf21("6","6","2","6","4","4","4","1") = "5"
    & skf21("6","6","2","6","4","4","5","1") = "5"
    & skf21("6","6","2","6","4","4","6","1") = "5"
    & skf21("6","6","2","6","4","4","7","1") = "6"
    & skf21("6","6","2","6","4","5","1","1") = "5"
    & skf21("6","6","2","6","4","5","2","1") = "5"
    & skf21("6","6","2","6","4","5","3","1") = "5"
    & skf21("6","6","2","6","4","5","4","1") = "5"
    & skf21("6","6","2","6","4","5","5","1") = "5"
    & skf21("6","6","2","6","4","5","6","1") = "5"
    & skf21("6","6","2","6","4","5","7","1") = "6"
    & skf21("6","6","2","6","4","6","1","1") = "5"
    & skf21("6","6","2","6","4","6","2","1") = "5"
    & skf21("6","6","2","6","4","6","3","1") = "5"
    & skf21("6","6","2","6","4","6","4","1") = "5"
    & skf21("6","6","2","6","4","6","5","1") = "5"
    & skf21("6","6","2","6","4","6","6","1") = "5"
    & skf21("6","6","2","6","4","6","7","1") = "6"
    & skf21("6","6","2","6","4","7","1","1") = "6"
    & skf21("6","6","2","6","4","7","2","1") = "6"
    & skf21("6","6","2","6","4","7","3","1") = "6"
    & skf21("6","6","2","6","4","7","4","1") = "6"
    & skf21("6","6","2","6","4","7","5","1") = "6"
    & skf21("6","6","2","6","4","7","6","1") = "6"
    & skf21("6","6","2","6","4","7","7","1") = "6"
    & skf21("6","6","2","6","5","1","1","1") = "5"
    & skf21("6","6","2","6","5","1","2","1") = "5"
    & skf21("6","6","2","6","5","1","3","1") = "5"
    & skf21("6","6","2","6","5","1","4","1") = "5"
    & skf21("6","6","2","6","5","1","5","1") = "5"
    & skf21("6","6","2","6","5","1","6","1") = "5"
    & skf21("6","6","2","6","5","1","7","1") = "6"
    & skf21("6","6","2","6","5","2","1","1") = "5"
    & skf21("6","6","2","6","5","2","2","1") = "5"
    & skf21("6","6","2","6","5","2","3","1") = "5"
    & skf21("6","6","2","6","5","2","4","1") = "5"
    & skf21("6","6","2","6","5","2","5","1") = "5"
    & skf21("6","6","2","6","5","2","6","1") = "5"
    & skf21("6","6","2","6","5","2","7","1") = "6"
    & skf21("6","6","2","6","5","3","1","1") = "5"
    & skf21("6","6","2","6","5","3","2","1") = "5"
    & skf21("6","6","2","6","5","3","3","1") = "5"
    & skf21("6","6","2","6","5","3","4","1") = "5"
    & skf21("6","6","2","6","5","3","5","1") = "5"
    & skf21("6","6","2","6","5","3","6","1") = "5"
    & skf21("6","6","2","6","5","3","7","1") = "6"
    & skf21("6","6","2","6","5","4","1","1") = "5"
    & skf21("6","6","2","6","5","4","2","1") = "5"
    & skf21("6","6","2","6","5","4","3","1") = "5"
    & skf21("6","6","2","6","5","4","4","1") = "5"
    & skf21("6","6","2","6","5","4","5","1") = "5"
    & skf21("6","6","2","6","5","4","6","1") = "5"
    & skf21("6","6","2","6","5","4","7","1") = "6"
    & skf21("6","6","2","6","5","5","1","1") = "5"
    & skf21("6","6","2","6","5","5","2","1") = "5"
    & skf21("6","6","2","6","5","5","3","1") = "5"
    & skf21("6","6","2","6","5","5","4","1") = "5"
    & skf21("6","6","2","6","5","5","5","1") = "5"
    & skf21("6","6","2","6","5","5","6","1") = "5"
    & skf21("6","6","2","6","5","5","7","1") = "6"
    & skf21("6","6","2","6","5","6","1","1") = "5"
    & skf21("6","6","2","6","5","6","2","1") = "5"
    & skf21("6","6","2","6","5","6","3","1") = "5"
    & skf21("6","6","2","6","5","6","4","1") = "5"
    & skf21("6","6","2","6","5","6","5","1") = "5"
    & skf21("6","6","2","6","5","6","6","1") = "5"
    & skf21("6","6","2","6","5","6","7","1") = "6"
    & skf21("6","6","2","6","5","7","1","1") = "6"
    & skf21("6","6","2","6","5","7","2","1") = "6"
    & skf21("6","6","2","6","5","7","3","1") = "6"
    & skf21("6","6","2","6","5","7","4","1") = "6"
    & skf21("6","6","2","6","5","7","5","1") = "6"
    & skf21("6","6","2","6","5","7","6","1") = "6"
    & skf21("6","6","2","6","5","7","7","1") = "6"
    & skf21("6","6","2","6","6","1","1","1") = "5"
    & skf21("6","6","2","6","6","1","2","1") = "5"
    & skf21("6","6","2","6","6","1","3","1") = "5"
    & skf21("6","6","2","6","6","1","4","1") = "5"
    & skf21("6","6","2","6","6","1","5","1") = "5"
    & skf21("6","6","2","6","6","1","6","1") = "5"
    & skf21("6","6","2","6","6","1","7","1") = "6"
    & skf21("6","6","2","6","6","2","1","1") = "5"
    & skf21("6","6","2","6","6","2","2","1") = "5"
    & skf21("6","6","2","6","6","2","3","1") = "5"
    & skf21("6","6","2","6","6","2","4","1") = "5"
    & skf21("6","6","2","6","6","2","5","1") = "5"
    & skf21("6","6","2","6","6","2","6","1") = "5"
    & skf21("6","6","2","6","6","2","7","1") = "6"
    & skf21("6","6","2","6","6","3","1","1") = "5"
    & skf21("6","6","2","6","6","3","2","1") = "5"
    & skf21("6","6","2","6","6","3","3","1") = "5"
    & skf21("6","6","2","6","6","3","4","1") = "5"
    & skf21("6","6","2","6","6","3","5","1") = "5"
    & skf21("6","6","2","6","6","3","6","1") = "5"
    & skf21("6","6","2","6","6","3","7","1") = "6"
    & skf21("6","6","2","6","6","4","1","1") = "5"
    & skf21("6","6","2","6","6","4","2","1") = "5"
    & skf21("6","6","2","6","6","4","3","1") = "5"
    & skf21("6","6","2","6","6","4","4","1") = "5"
    & skf21("6","6","2","6","6","4","5","1") = "5"
    & skf21("6","6","2","6","6","4","6","1") = "5"
    & skf21("6","6","2","6","6","4","7","1") = "6"
    & skf21("6","6","2","6","6","5","1","1") = "5"
    & skf21("6","6","2","6","6","5","2","1") = "5"
    & skf21("6","6","2","6","6","5","3","1") = "5"
    & skf21("6","6","2","6","6","5","4","1") = "5"
    & skf21("6","6","2","6","6","5","5","1") = "5"
    & skf21("6","6","2","6","6","5","6","1") = "5"
    & skf21("6","6","2","6","6","5","7","1") = "6"
    & skf21("6","6","2","6","6","6","1","1") = "5"
    & skf21("6","6","2","6","6","6","2","1") = "5"
    & skf21("6","6","2","6","6","6","3","1") = "5"
    & skf21("6","6","2","6","6","6","4","1") = "5"
    & skf21("6","6","2","6","6","6","5","1") = "5"
    & skf21("6","6","2","6","6","6","6","1") = "5"
    & skf21("6","6","2","6","6","6","7","1") = "6"
    & skf21("6","6","2","6","6","7","1","1") = "6"
    & skf21("6","6","2","6","6","7","2","1") = "6"
    & skf21("6","6","2","6","6","7","3","1") = "6"
    & skf21("6","6","2","6","6","7","4","1") = "6"
    & skf21("6","6","2","6","6","7","5","1") = "6"
    & skf21("6","6","2","6","6","7","6","1") = "6"
    & skf21("6","6","2","6","6","7","7","1") = "6"
    & skf21("6","6","2","6","7","1","1","1") = "6"
    & skf21("6","6","2","6","7","1","2","1") = "6"
    & skf21("6","6","2","6","7","1","3","1") = "6"
    & skf21("6","6","2","6","7","1","4","1") = "6"
    & skf21("6","6","2","6","7","1","5","1") = "6"
    & skf21("6","6","2","6","7","1","6","1") = "6"
    & skf21("6","6","2","6","7","1","7","1") = "6"
    & skf21("6","6","2","6","7","2","1","1") = "6"
    & skf21("6","6","2","6","7","2","2","1") = "6"
    & skf21("6","6","2","6","7","2","3","1") = "6"
    & skf21("6","6","2","6","7","2","4","1") = "6"
    & skf21("6","6","2","6","7","2","5","1") = "6"
    & skf21("6","6","2","6","7","2","6","1") = "6"
    & skf21("6","6","2","6","7","2","7","1") = "6"
    & skf21("6","6","2","6","7","3","1","1") = "6"
    & skf21("6","6","2","6","7","3","2","1") = "6"
    & skf21("6","6","2","6","7","3","3","1") = "6"
    & skf21("6","6","2","6","7","3","4","1") = "6"
    & skf21("6","6","2","6","7","3","5","1") = "6"
    & skf21("6","6","2","6","7","3","6","1") = "6"
    & skf21("6","6","2","6","7","3","7","1") = "6"
    & skf21("6","6","2","6","7","4","1","1") = "6"
    & skf21("6","6","2","6","7","4","2","1") = "6"
    & skf21("6","6","2","6","7","4","3","1") = "6"
    & skf21("6","6","2","6","7","4","4","1") = "6"
    & skf21("6","6","2","6","7","4","5","1") = "6"
    & skf21("6","6","2","6","7","4","6","1") = "6"
    & skf21("6","6","2","6","7","4","7","1") = "6"
    & skf21("6","6","2","6","7","5","1","1") = "6"
    & skf21("6","6","2","6","7","5","2","1") = "6"
    & skf21("6","6","2","6","7","5","3","1") = "6"
    & skf21("6","6","2","6","7","5","4","1") = "6"
    & skf21("6","6","2","6","7","5","5","1") = "6"
    & skf21("6","6","2","6","7","5","6","1") = "6"
    & skf21("6","6","2","6","7","5","7","1") = "6"
    & skf21("6","6","2","6","7","6","1","1") = "6"
    & skf21("6","6","2","6","7","6","2","1") = "6"
    & skf21("6","6","2","6","7","6","3","1") = "6"
    & skf21("6","6","2","6","7","6","4","1") = "6"
    & skf21("6","6","2","6","7","6","5","1") = "6"
    & skf21("6","6","2","6","7","6","6","1") = "6"
    & skf21("6","6","2","6","7","6","7","1") = "6"
    & skf21("6","6","2","6","7","7","1","1") = "6"
    & skf21("6","6","2","6","7","7","2","1") = "6"
    & skf21("6","6","2","6","7","7","3","1") = "6"
    & skf21("6","6","2","6","7","7","4","1") = "6"
    & skf21("6","6","2","6","7","7","5","1") = "6"
    & skf21("6","6","2","6","7","7","6","1") = "6"
    & skf21("6","6","2","6","7","7","7","1") = "6"
    & skf21("6","6","2","7","1","1","1","1") = "6"
    & skf21("6","6","2","7","1","1","2","1") = "6"
    & skf21("6","6","2","7","1","1","3","1") = "6"
    & skf21("6","6","2","7","1","1","4","1") = "6"
    & skf21("6","6","2","7","1","1","5","1") = "6"
    & skf21("6","6","2","7","1","1","6","1") = "6"
    & skf21("6","6","2","7","1","1","7","1") = "6"
    & skf21("6","6","2","7","1","2","1","1") = "6"
    & skf21("6","6","2","7","1","2","2","1") = "6"
    & skf21("6","6","2","7","1","2","3","1") = "6"
    & skf21("6","6","2","7","1","2","4","1") = "6"
    & skf21("6","6","2","7","1","2","5","1") = "6"
    & skf21("6","6","2","7","1","2","6","1") = "6"
    & skf21("6","6","2","7","1","2","7","1") = "6"
    & skf21("6","6","2","7","1","3","1","1") = "6"
    & skf21("6","6","2","7","1","3","2","1") = "6"
    & skf21("6","6","2","7","1","3","3","1") = "6"
    & skf21("6","6","2","7","1","3","4","1") = "6"
    & skf21("6","6","2","7","1","3","5","1") = "6"
    & skf21("6","6","2","7","1","3","6","1") = "6"
    & skf21("6","6","2","7","1","3","7","1") = "6"
    & skf21("6","6","2","7","1","4","1","1") = "6"
    & skf21("6","6","2","7","1","4","2","1") = "6"
    & skf21("6","6","2","7","1","4","3","1") = "6"
    & skf21("6","6","2","7","1","4","4","1") = "6"
    & skf21("6","6","2","7","1","4","5","1") = "6"
    & skf21("6","6","2","7","1","4","6","1") = "6"
    & skf21("6","6","2","7","1","4","7","1") = "6"
    & skf21("6","6","2","7","1","5","1","1") = "6"
    & skf21("6","6","2","7","1","5","2","1") = "6"
    & skf21("6","6","2","7","1","5","3","1") = "6"
    & skf21("6","6","2","7","1","5","4","1") = "6"
    & skf21("6","6","2","7","1","5","5","1") = "6"
    & skf21("6","6","2","7","1","5","6","1") = "6"
    & skf21("6","6","2","7","1","5","7","1") = "6"
    & skf21("6","6","2","7","1","6","1","1") = "6"
    & skf21("6","6","2","7","1","6","2","1") = "6"
    & skf21("6","6","2","7","1","6","3","1") = "6"
    & skf21("6","6","2","7","1","6","4","1") = "6"
    & skf21("6","6","2","7","1","6","5","1") = "6"
    & skf21("6","6","2","7","1","6","6","1") = "6"
    & skf21("6","6","2","7","1","6","7","1") = "6"
    & skf21("6","6","2","7","1","7","1","1") = "6"
    & skf21("6","6","2","7","1","7","2","1") = "6"
    & skf21("6","6","2","7","1","7","3","1") = "6"
    & skf21("6","6","2","7","1","7","4","1") = "6"
    & skf21("6","6","2","7","1","7","5","1") = "6"
    & skf21("6","6","2","7","1","7","6","1") = "6"
    & skf21("6","6","2","7","1","7","7","1") = "6"
    & skf21("6","6","2","7","2","1","1","1") = "6"
    & skf21("6","6","2","7","2","1","2","1") = "6"
    & skf21("6","6","2","7","2","1","3","1") = "6"
    & skf21("6","6","2","7","2","1","4","1") = "6"
    & skf21("6","6","2","7","2","1","5","1") = "6"
    & skf21("6","6","2","7","2","1","6","1") = "6"
    & skf21("6","6","2","7","2","1","7","1") = "6"
    & skf21("6","6","2","7","2","2","1","1") = "6"
    & skf21("6","6","2","7","2","2","2","1") = "6"
    & skf21("6","6","2","7","2","2","3","1") = "6"
    & skf21("6","6","2","7","2","2","4","1") = "6"
    & skf21("6","6","2","7","2","2","5","1") = "6"
    & skf21("6","6","2","7","2","2","6","1") = "6"
    & skf21("6","6","2","7","2","2","7","1") = "6"
    & skf21("6","6","2","7","2","3","1","1") = "6"
    & skf21("6","6","2","7","2","3","2","1") = "6"
    & skf21("6","6","2","7","2","3","3","1") = "6"
    & skf21("6","6","2","7","2","3","4","1") = "6"
    & skf21("6","6","2","7","2","3","5","1") = "6"
    & skf21("6","6","2","7","2","3","6","1") = "6"
    & skf21("6","6","2","7","2","3","7","1") = "6"
    & skf21("6","6","2","7","2","4","1","1") = "6"
    & skf21("6","6","2","7","2","4","2","1") = "6"
    & skf21("6","6","2","7","2","4","3","1") = "6"
    & skf21("6","6","2","7","2","4","4","1") = "6"
    & skf21("6","6","2","7","2","4","5","1") = "6"
    & skf21("6","6","2","7","2","4","6","1") = "6"
    & skf21("6","6","2","7","2","4","7","1") = "6"
    & skf21("6","6","2","7","2","5","1","1") = "6"
    & skf21("6","6","2","7","2","5","2","1") = "6"
    & skf21("6","6","2","7","2","5","3","1") = "6"
    & skf21("6","6","2","7","2","5","4","1") = "6"
    & skf21("6","6","2","7","2","5","5","1") = "6"
    & skf21("6","6","2","7","2","5","6","1") = "6"
    & skf21("6","6","2","7","2","5","7","1") = "6"
    & skf21("6","6","2","7","2","6","1","1") = "6"
    & skf21("6","6","2","7","2","6","2","1") = "6"
    & skf21("6","6","2","7","2","6","3","1") = "6"
    & skf21("6","6","2","7","2","6","4","1") = "6"
    & skf21("6","6","2","7","2","6","5","1") = "6"
    & skf21("6","6","2","7","2","6","6","1") = "6"
    & skf21("6","6","2","7","2","6","7","1") = "6"
    & skf21("6","6","2","7","2","7","1","1") = "6"
    & skf21("6","6","2","7","2","7","2","1") = "6"
    & skf21("6","6","2","7","2","7","3","1") = "6"
    & skf21("6","6","2","7","2","7","4","1") = "6"
    & skf21("6","6","2","7","2","7","5","1") = "6"
    & skf21("6","6","2","7","2","7","6","1") = "6"
    & skf21("6","6","2","7","2","7","7","1") = "6"
    & skf21("6","6","2","7","3","1","1","1") = "6"
    & skf21("6","6","2","7","3","1","2","1") = "6"
    & skf21("6","6","2","7","3","1","3","1") = "6"
    & skf21("6","6","2","7","3","1","4","1") = "6"
    & skf21("6","6","2","7","3","1","5","1") = "6"
    & skf21("6","6","2","7","3","1","6","1") = "6"
    & skf21("6","6","2","7","3","1","7","1") = "6"
    & skf21("6","6","2","7","3","2","1","1") = "6"
    & skf21("6","6","2","7","3","2","2","1") = "6"
    & skf21("6","6","2","7","3","2","3","1") = "6"
    & skf21("6","6","2","7","3","2","4","1") = "6"
    & skf21("6","6","2","7","3","2","5","1") = "6"
    & skf21("6","6","2","7","3","2","6","1") = "6"
    & skf21("6","6","2","7","3","2","7","1") = "6"
    & skf21("6","6","2","7","3","3","1","1") = "6"
    & skf21("6","6","2","7","3","3","2","1") = "6"
    & skf21("6","6","2","7","3","3","3","1") = "6"
    & skf21("6","6","2","7","3","3","4","1") = "6"
    & skf21("6","6","2","7","3","3","5","1") = "6"
    & skf21("6","6","2","7","3","3","6","1") = "6"
    & skf21("6","6","2","7","3","3","7","1") = "6"
    & skf21("6","6","2","7","3","4","1","1") = "6"
    & skf21("6","6","2","7","3","4","2","1") = "6"
    & skf21("6","6","2","7","3","4","3","1") = "6"
    & skf21("6","6","2","7","3","4","4","1") = "6"
    & skf21("6","6","2","7","3","4","5","1") = "6"
    & skf21("6","6","2","7","3","4","6","1") = "6"
    & skf21("6","6","2","7","3","4","7","1") = "6"
    & skf21("6","6","2","7","3","5","1","1") = "6"
    & skf21("6","6","2","7","3","5","2","1") = "6"
    & skf21("6","6","2","7","3","5","3","1") = "6"
    & skf21("6","6","2","7","3","5","4","1") = "6"
    & skf21("6","6","2","7","3","5","5","1") = "6"
    & skf21("6","6","2","7","3","5","6","1") = "6"
    & skf21("6","6","2","7","3","5","7","1") = "6"
    & skf21("6","6","2","7","3","6","1","1") = "6"
    & skf21("6","6","2","7","3","6","2","1") = "6"
    & skf21("6","6","2","7","3","6","3","1") = "6"
    & skf21("6","6","2","7","3","6","4","1") = "6"
    & skf21("6","6","2","7","3","6","5","1") = "6"
    & skf21("6","6","2","7","3","6","6","1") = "6"
    & skf21("6","6","2","7","3","6","7","1") = "6"
    & skf21("6","6","2","7","3","7","1","1") = "6"
    & skf21("6","6","2","7","3","7","2","1") = "6"
    & skf21("6","6","2","7","3","7","3","1") = "6"
    & skf21("6","6","2","7","3","7","4","1") = "6"
    & skf21("6","6","2","7","3","7","5","1") = "6"
    & skf21("6","6","2","7","3","7","6","1") = "6"
    & skf21("6","6","2","7","3","7","7","1") = "6"
    & skf21("6","6","2","7","4","1","1","1") = "6"
    & skf21("6","6","2","7","4","1","2","1") = "6"
    & skf21("6","6","2","7","4","1","3","1") = "6"
    & skf21("6","6","2","7","4","1","4","1") = "6"
    & skf21("6","6","2","7","4","1","5","1") = "6"
    & skf21("6","6","2","7","4","1","6","1") = "6"
    & skf21("6","6","2","7","4","1","7","1") = "6"
    & skf21("6","6","2","7","4","2","1","1") = "6"
    & skf21("6","6","2","7","4","2","2","1") = "6"
    & skf21("6","6","2","7","4","2","3","1") = "6"
    & skf21("6","6","2","7","4","2","4","1") = "6"
    & skf21("6","6","2","7","4","2","5","1") = "6"
    & skf21("6","6","2","7","4","2","6","1") = "6"
    & skf21("6","6","2","7","4","2","7","1") = "6"
    & skf21("6","6","2","7","4","3","1","1") = "6"
    & skf21("6","6","2","7","4","3","2","1") = "6"
    & skf21("6","6","2","7","4","3","3","1") = "6"
    & skf21("6","6","2","7","4","3","4","1") = "6"
    & skf21("6","6","2","7","4","3","5","1") = "6"
    & skf21("6","6","2","7","4","3","6","1") = "6"
    & skf21("6","6","2","7","4","3","7","1") = "6"
    & skf21("6","6","2","7","4","4","1","1") = "6"
    & skf21("6","6","2","7","4","4","2","1") = "6"
    & skf21("6","6","2","7","4","4","3","1") = "6"
    & skf21("6","6","2","7","4","4","4","1") = "6"
    & skf21("6","6","2","7","4","4","5","1") = "6"
    & skf21("6","6","2","7","4","4","6","1") = "6"
    & skf21("6","6","2","7","4","4","7","1") = "6"
    & skf21("6","6","2","7","4","5","1","1") = "6"
    & skf21("6","6","2","7","4","5","2","1") = "6"
    & skf21("6","6","2","7","4","5","3","1") = "6"
    & skf21("6","6","2","7","4","5","4","1") = "6"
    & skf21("6","6","2","7","4","5","5","1") = "6"
    & skf21("6","6","2","7","4","5","6","1") = "6"
    & skf21("6","6","2","7","4","5","7","1") = "6"
    & skf21("6","6","2","7","4","6","1","1") = "6"
    & skf21("6","6","2","7","4","6","2","1") = "6"
    & skf21("6","6","2","7","4","6","3","1") = "6"
    & skf21("6","6","2","7","4","6","4","1") = "6"
    & skf21("6","6","2","7","4","6","5","1") = "6"
    & skf21("6","6","2","7","4","6","6","1") = "6"
    & skf21("6","6","2","7","4","6","7","1") = "6"
    & skf21("6","6","2","7","4","7","1","1") = "6"
    & skf21("6","6","2","7","4","7","2","1") = "6"
    & skf21("6","6","2","7","4","7","3","1") = "6"
    & skf21("6","6","2","7","4","7","4","1") = "6"
    & skf21("6","6","2","7","4","7","5","1") = "6"
    & skf21("6","6","2","7","4","7","6","1") = "6"
    & skf21("6","6","2","7","4","7","7","1") = "6"
    & skf21("6","6","2","7","5","1","1","1") = "6"
    & skf21("6","6","2","7","5","1","2","1") = "6"
    & skf21("6","6","2","7","5","1","3","1") = "6"
    & skf21("6","6","2","7","5","1","4","1") = "6"
    & skf21("6","6","2","7","5","1","5","1") = "6"
    & skf21("6","6","2","7","5","1","6","1") = "6"
    & skf21("6","6","2","7","5","1","7","1") = "6"
    & skf21("6","6","2","7","5","2","1","1") = "6"
    & skf21("6","6","2","7","5","2","2","1") = "6"
    & skf21("6","6","2","7","5","2","3","1") = "6"
    & skf21("6","6","2","7","5","2","4","1") = "6"
    & skf21("6","6","2","7","5","2","5","1") = "6"
    & skf21("6","6","2","7","5","2","6","1") = "6"
    & skf21("6","6","2","7","5","2","7","1") = "6"
    & skf21("6","6","2","7","5","3","1","1") = "6"
    & skf21("6","6","2","7","5","3","2","1") = "6"
    & skf21("6","6","2","7","5","3","3","1") = "6"
    & skf21("6","6","2","7","5","3","4","1") = "6"
    & skf21("6","6","2","7","5","3","5","1") = "6"
    & skf21("6","6","2","7","5","3","6","1") = "6"
    & skf21("6","6","2","7","5","3","7","1") = "6"
    & skf21("6","6","2","7","5","4","1","1") = "6"
    & skf21("6","6","2","7","5","4","2","1") = "6"
    & skf21("6","6","2","7","5","4","3","1") = "6"
    & skf21("6","6","2","7","5","4","4","1") = "6"
    & skf21("6","6","2","7","5","4","5","1") = "6"
    & skf21("6","6","2","7","5","4","6","1") = "6"
    & skf21("6","6","2","7","5","4","7","1") = "6"
    & skf21("6","6","2","7","5","5","1","1") = "6"
    & skf21("6","6","2","7","5","5","2","1") = "6"
    & skf21("6","6","2","7","5","5","3","1") = "6"
    & skf21("6","6","2","7","5","5","4","1") = "6"
    & skf21("6","6","2","7","5","5","5","1") = "6"
    & skf21("6","6","2","7","5","5","6","1") = "6"
    & skf21("6","6","2","7","5","5","7","1") = "6"
    & skf21("6","6","2","7","5","6","1","1") = "6"
    & skf21("6","6","2","7","5","6","2","1") = "6"
    & skf21("6","6","2","7","5","6","3","1") = "6"
    & skf21("6","6","2","7","5","6","4","1") = "6"
    & skf21("6","6","2","7","5","6","5","1") = "6"
    & skf21("6","6","2","7","5","6","6","1") = "6"
    & skf21("6","6","2","7","5","6","7","1") = "6"
    & skf21("6","6","2","7","5","7","1","1") = "6"
    & skf21("6","6","2","7","5","7","2","1") = "6"
    & skf21("6","6","2","7","5","7","3","1") = "6"
    & skf21("6","6","2","7","5","7","4","1") = "6"
    & skf21("6","6","2","7","5","7","5","1") = "6"
    & skf21("6","6","2","7","5","7","6","1") = "6"
    & skf21("6","6","2","7","5","7","7","1") = "6"
    & skf21("6","6","2","7","6","1","1","1") = "6"
    & skf21("6","6","2","7","6","1","2","1") = "6"
    & skf21("6","6","2","7","6","1","3","1") = "6"
    & skf21("6","6","2","7","6","1","4","1") = "6"
    & skf21("6","6","2","7","6","1","5","1") = "6"
    & skf21("6","6","2","7","6","1","6","1") = "6"
    & skf21("6","6","2","7","6","1","7","1") = "6"
    & skf21("6","6","2","7","6","2","1","1") = "6"
    & skf21("6","6","2","7","6","2","2","1") = "6"
    & skf21("6","6","2","7","6","2","3","1") = "6"
    & skf21("6","6","2","7","6","2","4","1") = "6"
    & skf21("6","6","2","7","6","2","5","1") = "6"
    & skf21("6","6","2","7","6","2","6","1") = "6"
    & skf21("6","6","2","7","6","2","7","1") = "6"
    & skf21("6","6","2","7","6","3","1","1") = "6"
    & skf21("6","6","2","7","6","3","2","1") = "6"
    & skf21("6","6","2","7","6","3","3","1") = "6"
    & skf21("6","6","2","7","6","3","4","1") = "6"
    & skf21("6","6","2","7","6","3","5","1") = "6"
    & skf21("6","6","2","7","6","3","6","1") = "6"
    & skf21("6","6","2","7","6","3","7","1") = "6"
    & skf21("6","6","2","7","6","4","1","1") = "6"
    & skf21("6","6","2","7","6","4","2","1") = "6"
    & skf21("6","6","2","7","6","4","3","1") = "6"
    & skf21("6","6","2","7","6","4","4","1") = "6"
    & skf21("6","6","2","7","6","4","5","1") = "6"
    & skf21("6","6","2","7","6","4","6","1") = "6"
    & skf21("6","6","2","7","6","4","7","1") = "6"
    & skf21("6","6","2","7","6","5","1","1") = "6"
    & skf21("6","6","2","7","6","5","2","1") = "6"
    & skf21("6","6","2","7","6","5","3","1") = "6"
    & skf21("6","6","2","7","6","5","4","1") = "6"
    & skf21("6","6","2","7","6","5","5","1") = "6"
    & skf21("6","6","2","7","6","5","6","1") = "6"
    & skf21("6","6","2","7","6","5","7","1") = "6"
    & skf21("6","6","2","7","6","6","1","1") = "6"
    & skf21("6","6","2","7","6","6","2","1") = "6"
    & skf21("6","6","2","7","6","6","3","1") = "6"
    & skf21("6","6","2","7","6","6","4","1") = "6"
    & skf21("6","6","2","7","6","6","5","1") = "6"
    & skf21("6","6","2","7","6","6","6","1") = "6"
    & skf21("6","6","2","7","6","6","7","1") = "6"
    & skf21("6","6","2","7","6","7","1","1") = "6"
    & skf21("6","6","2","7","6","7","2","1") = "6"
    & skf21("6","6","2","7","6","7","3","1") = "6"
    & skf21("6","6","2","7","6","7","4","1") = "6"
    & skf21("6","6","2","7","6","7","5","1") = "6"
    & skf21("6","6","2","7","6","7","6","1") = "6"
    & skf21("6","6","2","7","6","7","7","1") = "6"
    & skf21("6","6","2","7","7","1","1","1") = "6"
    & skf21("6","6","2","7","7","1","2","1") = "6"
    & skf21("6","6","2","7","7","1","3","1") = "6"
    & skf21("6","6","2","7","7","1","4","1") = "6"
    & skf21("6","6","2","7","7","1","5","1") = "6"
    & skf21("6","6","2","7","7","1","6","1") = "6"
    & skf21("6","6","2","7","7","1","7","1") = "6"
    & skf21("6","6","2","7","7","2","1","1") = "6"
    & skf21("6","6","2","7","7","2","2","1") = "6"
    & skf21("6","6","2","7","7","2","3","1") = "6"
    & skf21("6","6","2","7","7","2","4","1") = "6"
    & skf21("6","6","2","7","7","2","5","1") = "6"
    & skf21("6","6","2","7","7","2","6","1") = "6"
    & skf21("6","6","2","7","7","2","7","1") = "6"
    & skf21("6","6","2","7","7","3","1","1") = "6"
    & skf21("6","6","2","7","7","3","2","1") = "6"
    & skf21("6","6","2","7","7","3","3","1") = "6"
    & skf21("6","6","2","7","7","3","4","1") = "6"
    & skf21("6","6","2","7","7","3","5","1") = "6"
    & skf21("6","6","2","7","7","3","6","1") = "6"
    & skf21("6","6","2","7","7","3","7","1") = "6"
    & skf21("6","6","2","7","7","4","1","1") = "6"
    & skf21("6","6","2","7","7","4","2","1") = "6"
    & skf21("6","6","2","7","7","4","3","1") = "6"
    & skf21("6","6","2","7","7","4","4","1") = "6"
    & skf21("6","6","2","7","7","4","5","1") = "6"
    & skf21("6","6","2","7","7","4","6","1") = "6"
    & skf21("6","6","2","7","7","4","7","1") = "6"
    & skf21("6","6","2","7","7","5","1","1") = "6"
    & skf21("6","6","2","7","7","5","2","1") = "6"
    & skf21("6","6","2","7","7","5","3","1") = "6"
    & skf21("6","6","2","7","7","5","4","1") = "6"
    & skf21("6","6","2","7","7","5","5","1") = "6"
    & skf21("6","6","2","7","7","5","6","1") = "6"
    & skf21("6","6","2","7","7","5","7","1") = "6"
    & skf21("6","6","2","7","7","6","1","1") = "6"
    & skf21("6","6","2","7","7","6","2","1") = "6"
    & skf21("6","6","2","7","7","6","3","1") = "6"
    & skf21("6","6","2","7","7","6","4","1") = "6"
    & skf21("6","6","2","7","7","6","5","1") = "6"
    & skf21("6","6","2","7","7","6","6","1") = "6"
    & skf21("6","6","2","7","7","6","7","1") = "6"
    & skf21("6","6","2","7","7","7","1","1") = "6"
    & skf21("6","6","2","7","7","7","2","1") = "6"
    & skf21("6","6","2","7","7","7","3","1") = "6"
    & skf21("6","6","2","7","7","7","4","1") = "6"
    & skf21("6","6","2","7","7","7","5","1") = "6"
    & skf21("6","6","2","7","7","7","6","1") = "6"
    & skf21("6","6","2","7","7","7","7","1") = "6"
    & skf21("6","6","3","1","1","1","1","1") = "5"
    & skf21("6","6","3","1","1","1","2","1") = "5"
    & skf21("6","6","3","1","1","1","3","1") = "5"
    & skf21("6","6","3","1","1","1","4","1") = "5"
    & skf21("6","6","3","1","1","1","5","1") = "5"
    & skf21("6","6","3","1","1","1","6","1") = "5"
    & skf21("6","6","3","1","1","1","7","1") = "6"
    & skf21("6","6","3","1","1","2","1","1") = "5"
    & skf21("6","6","3","1","1","2","2","1") = "5"
    & skf21("6","6","3","1","1","2","3","1") = "5"
    & skf21("6","6","3","1","1","2","4","1") = "5"
    & skf21("6","6","3","1","1","2","5","1") = "5"
    & skf21("6","6","3","1","1","2","6","1") = "5"
    & skf21("6","6","3","1","1","2","7","1") = "6"
    & skf21("6","6","3","1","1","3","1","1") = "5"
    & skf21("6","6","3","1","1","3","2","1") = "5"
    & skf21("6","6","3","1","1","3","3","1") = "5"
    & skf21("6","6","3","1","1","3","4","1") = "5"
    & skf21("6","6","3","1","1","3","5","1") = "5"
    & skf21("6","6","3","1","1","3","6","1") = "5"
    & skf21("6","6","3","1","1","3","7","1") = "6"
    & skf21("6","6","3","1","1","4","1","1") = "5"
    & skf21("6","6","3","1","1","4","2","1") = "5"
    & skf21("6","6","3","1","1","4","3","1") = "5"
    & skf21("6","6","3","1","1","4","4","1") = "5"
    & skf21("6","6","3","1","1","4","5","1") = "5"
    & skf21("6","6","3","1","1","4","6","1") = "5"
    & skf21("6","6","3","1","1","4","7","1") = "6"
    & skf21("6","6","3","1","1","5","1","1") = "5"
    & skf21("6","6","3","1","1","5","2","1") = "5"
    & skf21("6","6","3","1","1","5","3","1") = "5"
    & skf21("6","6","3","1","1","5","4","1") = "5"
    & skf21("6","6","3","1","1","5","5","1") = "5"
    & skf21("6","6","3","1","1","5","6","1") = "5"
    & skf21("6","6","3","1","1","5","7","1") = "6"
    & skf21("6","6","3","1","1","6","1","1") = "5"
    & skf21("6","6","3","1","1","6","2","1") = "5"
    & skf21("6","6","3","1","1","6","3","1") = "5"
    & skf21("6","6","3","1","1","6","4","1") = "5"
    & skf21("6","6","3","1","1","6","5","1") = "5"
    & skf21("6","6","3","1","1","6","6","1") = "5"
    & skf21("6","6","3","1","1","6","7","1") = "6"
    & skf21("6","6","3","1","1","7","1","1") = "6"
    & skf21("6","6","3","1","1","7","2","1") = "6"
    & skf21("6","6","3","1","1","7","3","1") = "6"
    & skf21("6","6","3","1","1","7","4","1") = "6"
    & skf21("6","6","3","1","1","7","5","1") = "6"
    & skf21("6","6","3","1","1","7","6","1") = "6"
    & skf21("6","6","3","1","1","7","7","1") = "6"
    & skf21("6","6","3","1","2","1","1","1") = "5"
    & skf21("6","6","3","1","2","1","2","1") = "5"
    & skf21("6","6","3","1","2","1","3","1") = "5"
    & skf21("6","6","3","1","2","1","4","1") = "5"
    & skf21("6","6","3","1","2","1","5","1") = "5"
    & skf21("6","6","3","1","2","1","6","1") = "5"
    & skf21("6","6","3","1","2","1","7","1") = "6"
    & skf21("6","6","3","1","2","2","1","1") = "5"
    & skf21("6","6","3","1","2","2","2","1") = "5"
    & skf21("6","6","3","1","2","2","3","1") = "5"
    & skf21("6","6","3","1","2","2","4","1") = "5"
    & skf21("6","6","3","1","2","2","5","1") = "5"
    & skf21("6","6","3","1","2","2","6","1") = "5"
    & skf21("6","6","3","1","2","2","7","1") = "6"
    & skf21("6","6","3","1","2","3","1","1") = "5"
    & skf21("6","6","3","1","2","3","2","1") = "5"
    & skf21("6","6","3","1","2","3","3","1") = "5"
    & skf21("6","6","3","1","2","3","4","1") = "5"
    & skf21("6","6","3","1","2","3","5","1") = "5"
    & skf21("6","6","3","1","2","3","6","1") = "5"
    & skf21("6","6","3","1","2","3","7","1") = "6"
    & skf21("6","6","3","1","2","4","1","1") = "5"
    & skf21("6","6","3","1","2","4","2","1") = "5"
    & skf21("6","6","3","1","2","4","3","1") = "5"
    & skf21("6","6","3","1","2","4","4","1") = "5"
    & skf21("6","6","3","1","2","4","5","1") = "5"
    & skf21("6","6","3","1","2","4","6","1") = "5"
    & skf21("6","6","3","1","2","4","7","1") = "6"
    & skf21("6","6","3","1","2","5","1","1") = "5"
    & skf21("6","6","3","1","2","5","2","1") = "5"
    & skf21("6","6","3","1","2","5","3","1") = "5"
    & skf21("6","6","3","1","2","5","4","1") = "5"
    & skf21("6","6","3","1","2","5","5","1") = "5"
    & skf21("6","6","3","1","2","5","6","1") = "5"
    & skf21("6","6","3","1","2","5","7","1") = "6"
    & skf21("6","6","3","1","2","6","1","1") = "5"
    & skf21("6","6","3","1","2","6","2","1") = "5"
    & skf21("6","6","3","1","2","6","3","1") = "5"
    & skf21("6","6","3","1","2","6","4","1") = "5"
    & skf21("6","6","3","1","2","6","5","1") = "5"
    & skf21("6","6","3","1","2","6","6","1") = "5"
    & skf21("6","6","3","1","2","6","7","1") = "6"
    & skf21("6","6","3","1","2","7","1","1") = "6"
    & skf21("6","6","3","1","2","7","2","1") = "6"
    & skf21("6","6","3","1","2","7","3","1") = "6"
    & skf21("6","6","3","1","2","7","4","1") = "6"
    & skf21("6","6","3","1","2","7","5","1") = "6"
    & skf21("6","6","3","1","2","7","6","1") = "6"
    & skf21("6","6","3","1","2","7","7","1") = "6"
    & skf21("6","6","3","1","3","1","1","1") = "5"
    & skf21("6","6","3","1","3","1","2","1") = "5"
    & skf21("6","6","3","1","3","1","3","1") = "5"
    & skf21("6","6","3","1","3","1","4","1") = "5"
    & skf21("6","6","3","1","3","1","5","1") = "5"
    & skf21("6","6","3","1","3","1","6","1") = "5"
    & skf21("6","6","3","1","3","1","7","1") = "6"
    & skf21("6","6","3","1","3","2","1","1") = "5"
    & skf21("6","6","3","1","3","2","2","1") = "5"
    & skf21("6","6","3","1","3","2","3","1") = "5"
    & skf21("6","6","3","1","3","2","4","1") = "5"
    & skf21("6","6","3","1","3","2","5","1") = "5"
    & skf21("6","6","3","1","3","2","6","1") = "5"
    & skf21("6","6","3","1","3","2","7","1") = "6"
    & skf21("6","6","3","1","3","3","1","1") = "5"
    & skf21("6","6","3","1","3","3","2","1") = "5"
    & skf21("6","6","3","1","3","3","3","1") = "5"
    & skf21("6","6","3","1","3","3","4","1") = "5"
    & skf21("6","6","3","1","3","3","5","1") = "5"
    & skf21("6","6","3","1","3","3","6","1") = "5"
    & skf21("6","6","3","1","3","3","7","1") = "6"
    & skf21("6","6","3","1","3","4","1","1") = "5"
    & skf21("6","6","3","1","3","4","2","1") = "5"
    & skf21("6","6","3","1","3","4","3","1") = "5"
    & skf21("6","6","3","1","3","4","4","1") = "5"
    & skf21("6","6","3","1","3","4","5","1") = "5"
    & skf21("6","6","3","1","3","4","6","1") = "5"
    & skf21("6","6","3","1","3","4","7","1") = "6"
    & skf21("6","6","3","1","3","5","1","1") = "5"
    & skf21("6","6","3","1","3","5","2","1") = "5"
    & skf21("6","6","3","1","3","5","3","1") = "5"
    & skf21("6","6","3","1","3","5","4","1") = "5"
    & skf21("6","6","3","1","3","5","5","1") = "5"
    & skf21("6","6","3","1","3","5","6","1") = "5"
    & skf21("6","6","3","1","3","5","7","1") = "6"
    & skf21("6","6","3","1","3","6","1","1") = "5"
    & skf21("6","6","3","1","3","6","2","1") = "5"
    & skf21("6","6","3","1","3","6","3","1") = "5"
    & skf21("6","6","3","1","3","6","4","1") = "5"
    & skf21("6","6","3","1","3","6","5","1") = "5"
    & skf21("6","6","3","1","3","6","6","1") = "5"
    & skf21("6","6","3","1","3","6","7","1") = "6"
    & skf21("6","6","3","1","3","7","1","1") = "6"
    & skf21("6","6","3","1","3","7","2","1") = "6"
    & skf21("6","6","3","1","3","7","3","1") = "6"
    & skf21("6","6","3","1","3","7","4","1") = "6"
    & skf21("6","6","3","1","3","7","5","1") = "6"
    & skf21("6","6","3","1","3","7","6","1") = "6"
    & skf21("6","6","3","1","3","7","7","1") = "6"
    & skf21("6","6","3","1","4","1","1","1") = "5"
    & skf21("6","6","3","1","4","1","2","1") = "5"
    & skf21("6","6","3","1","4","1","3","1") = "5"
    & skf21("6","6","3","1","4","1","4","1") = "5"
    & skf21("6","6","3","1","4","1","5","1") = "5"
    & skf21("6","6","3","1","4","1","6","1") = "5"
    & skf21("6","6","3","1","4","1","7","1") = "6"
    & skf21("6","6","3","1","4","2","1","1") = "5"
    & skf21("6","6","3","1","4","2","2","1") = "5"
    & skf21("6","6","3","1","4","2","3","1") = "5"
    & skf21("6","6","3","1","4","2","4","1") = "5"
    & skf21("6","6","3","1","4","2","5","1") = "5"
    & skf21("6","6","3","1","4","2","6","1") = "5"
    & skf21("6","6","3","1","4","2","7","1") = "6"
    & skf21("6","6","3","1","4","3","1","1") = "5"
    & skf21("6","6","3","1","4","3","2","1") = "5"
    & skf21("6","6","3","1","4","3","3","1") = "5"
    & skf21("6","6","3","1","4","3","4","1") = "5"
    & skf21("6","6","3","1","4","3","5","1") = "5"
    & skf21("6","6","3","1","4","3","6","1") = "5"
    & skf21("6","6","3","1","4","3","7","1") = "6"
    & skf21("6","6","3","1","4","4","1","1") = "5"
    & skf21("6","6","3","1","4","4","2","1") = "5"
    & skf21("6","6","3","1","4","4","3","1") = "5"
    & skf21("6","6","3","1","4","4","4","1") = "5"
    & skf21("6","6","3","1","4","4","5","1") = "5"
    & skf21("6","6","3","1","4","4","6","1") = "5"
    & skf21("6","6","3","1","4","4","7","1") = "6"
    & skf21("6","6","3","1","4","5","1","1") = "5"
    & skf21("6","6","3","1","4","5","2","1") = "5"
    & skf21("6","6","3","1","4","5","3","1") = "5"
    & skf21("6","6","3","1","4","5","4","1") = "5"
    & skf21("6","6","3","1","4","5","5","1") = "5"
    & skf21("6","6","3","1","4","5","6","1") = "5"
    & skf21("6","6","3","1","4","5","7","1") = "6"
    & skf21("6","6","3","1","4","6","1","1") = "5"
    & skf21("6","6","3","1","4","6","2","1") = "5"
    & skf21("6","6","3","1","4","6","3","1") = "5"
    & skf21("6","6","3","1","4","6","4","1") = "5"
    & skf21("6","6","3","1","4","6","5","1") = "5"
    & skf21("6","6","3","1","4","6","6","1") = "5"
    & skf21("6","6","3","1","4","6","7","1") = "6"
    & skf21("6","6","3","1","4","7","1","1") = "6"
    & skf21("6","6","3","1","4","7","2","1") = "6"
    & skf21("6","6","3","1","4","7","3","1") = "6"
    & skf21("6","6","3","1","4","7","4","1") = "6"
    & skf21("6","6","3","1","4","7","5","1") = "6"
    & skf21("6","6","3","1","4","7","6","1") = "6"
    & skf21("6","6","3","1","4","7","7","1") = "6"
    & skf21("6","6","3","1","5","1","1","1") = "5"
    & skf21("6","6","3","1","5","1","2","1") = "5"
    & skf21("6","6","3","1","5","1","3","1") = "5"
    & skf21("6","6","3","1","5","1","4","1") = "5"
    & skf21("6","6","3","1","5","1","5","1") = "5"
    & skf21("6","6","3","1","5","1","6","1") = "5"
    & skf21("6","6","3","1","5","1","7","1") = "6"
    & skf21("6","6","3","1","5","2","1","1") = "5"
    & skf21("6","6","3","1","5","2","2","1") = "5"
    & skf21("6","6","3","1","5","2","3","1") = "5"
    & skf21("6","6","3","1","5","2","4","1") = "5"
    & skf21("6","6","3","1","5","2","5","1") = "5"
    & skf21("6","6","3","1","5","2","6","1") = "5"
    & skf21("6","6","3","1","5","2","7","1") = "6"
    & skf21("6","6","3","1","5","3","1","1") = "5"
    & skf21("6","6","3","1","5","3","2","1") = "5"
    & skf21("6","6","3","1","5","3","3","1") = "5"
    & skf21("6","6","3","1","5","3","4","1") = "5"
    & skf21("6","6","3","1","5","3","5","1") = "5"
    & skf21("6","6","3","1","5","3","6","1") = "5"
    & skf21("6","6","3","1","5","3","7","1") = "6"
    & skf21("6","6","3","1","5","4","1","1") = "5"
    & skf21("6","6","3","1","5","4","2","1") = "5"
    & skf21("6","6","3","1","5","4","3","1") = "5"
    & skf21("6","6","3","1","5","4","4","1") = "5"
    & skf21("6","6","3","1","5","4","5","1") = "5"
    & skf21("6","6","3","1","5","4","6","1") = "5"
    & skf21("6","6","3","1","5","4","7","1") = "6"
    & skf21("6","6","3","1","5","5","1","1") = "5"
    & skf21("6","6","3","1","5","5","2","1") = "5"
    & skf21("6","6","3","1","5","5","3","1") = "5"
    & skf21("6","6","3","1","5","5","4","1") = "5"
    & skf21("6","6","3","1","5","5","5","1") = "5"
    & skf21("6","6","3","1","5","5","6","1") = "5"
    & skf21("6","6","3","1","5","5","7","1") = "6"
    & skf21("6","6","3","1","5","6","1","1") = "5"
    & skf21("6","6","3","1","5","6","2","1") = "5"
    & skf21("6","6","3","1","5","6","3","1") = "5"
    & skf21("6","6","3","1","5","6","4","1") = "5"
    & skf21("6","6","3","1","5","6","5","1") = "5"
    & skf21("6","6","3","1","5","6","6","1") = "5"
    & skf21("6","6","3","1","5","6","7","1") = "6"
    & skf21("6","6","3","1","5","7","1","1") = "6"
    & skf21("6","6","3","1","5","7","2","1") = "6"
    & skf21("6","6","3","1","5","7","3","1") = "6"
    & skf21("6","6","3","1","5","7","4","1") = "6"
    & skf21("6","6","3","1","5","7","5","1") = "6"
    & skf21("6","6","3","1","5","7","6","1") = "6"
    & skf21("6","6","3","1","5","7","7","1") = "6"
    & skf21("6","6","3","1","6","1","1","1") = "5"
    & skf21("6","6","3","1","6","1","2","1") = "5"
    & skf21("6","6","3","1","6","1","3","1") = "5"
    & skf21("6","6","3","1","6","1","4","1") = "5"
    & skf21("6","6","3","1","6","1","5","1") = "5"
    & skf21("6","6","3","1","6","1","6","1") = "5"
    & skf21("6","6","3","1","6","1","7","1") = "6"
    & skf21("6","6","3","1","6","2","1","1") = "5"
    & skf21("6","6","3","1","6","2","2","1") = "5"
    & skf21("6","6","3","1","6","2","3","1") = "5"
    & skf21("6","6","3","1","6","2","4","1") = "5"
    & skf21("6","6","3","1","6","2","5","1") = "5"
    & skf21("6","6","3","1","6","2","6","1") = "5"
    & skf21("6","6","3","1","6","2","7","1") = "6"
    & skf21("6","6","3","1","6","3","1","1") = "5"
    & skf21("6","6","3","1","6","3","2","1") = "5"
    & skf21("6","6","3","1","6","3","3","1") = "5"
    & skf21("6","6","3","1","6","3","4","1") = "5"
    & skf21("6","6","3","1","6","3","5","1") = "5"
    & skf21("6","6","3","1","6","3","6","1") = "5"
    & skf21("6","6","3","1","6","3","7","1") = "6"
    & skf21("6","6","3","1","6","4","1","1") = "5"
    & skf21("6","6","3","1","6","4","2","1") = "5"
    & skf21("6","6","3","1","6","4","3","1") = "5"
    & skf21("6","6","3","1","6","4","4","1") = "5"
    & skf21("6","6","3","1","6","4","5","1") = "5"
    & skf21("6","6","3","1","6","4","6","1") = "5"
    & skf21("6","6","3","1","6","4","7","1") = "6"
    & skf21("6","6","3","1","6","5","1","1") = "5"
    & skf21("6","6","3","1","6","5","2","1") = "5"
    & skf21("6","6","3","1","6","5","3","1") = "5"
    & skf21("6","6","3","1","6","5","4","1") = "5"
    & skf21("6","6","3","1","6","5","5","1") = "5"
    & skf21("6","6","3","1","6","5","6","1") = "5"
    & skf21("6","6","3","1","6","5","7","1") = "6"
    & skf21("6","6","3","1","6","6","1","1") = "5"
    & skf21("6","6","3","1","6","6","2","1") = "5"
    & skf21("6","6","3","1","6","6","3","1") = "5"
    & skf21("6","6","3","1","6","6","4","1") = "5"
    & skf21("6","6","3","1","6","6","5","1") = "5"
    & skf21("6","6","3","1","6","6","6","1") = "5"
    & skf21("6","6","3","1","6","6","7","1") = "6"
    & skf21("6","6","3","1","6","7","1","1") = "6"
    & skf21("6","6","3","1","6","7","2","1") = "6"
    & skf21("6","6","3","1","6","7","3","1") = "6"
    & skf21("6","6","3","1","6","7","4","1") = "6"
    & skf21("6","6","3","1","6","7","5","1") = "6"
    & skf21("6","6","3","1","6","7","6","1") = "6"
    & skf21("6","6","3","1","6","7","7","1") = "6"
    & skf21("6","6","3","1","7","1","1","1") = "6"
    & skf21("6","6","3","1","7","1","2","1") = "6"
    & skf21("6","6","3","1","7","1","3","1") = "6"
    & skf21("6","6","3","1","7","1","4","1") = "6"
    & skf21("6","6","3","1","7","1","5","1") = "6"
    & skf21("6","6","3","1","7","1","6","1") = "6"
    & skf21("6","6","3","1","7","1","7","1") = "6"
    & skf21("6","6","3","1","7","2","1","1") = "6"
    & skf21("6","6","3","1","7","2","2","1") = "6"
    & skf21("6","6","3","1","7","2","3","1") = "6"
    & skf21("6","6","3","1","7","2","4","1") = "6"
    & skf21("6","6","3","1","7","2","5","1") = "6"
    & skf21("6","6","3","1","7","2","6","1") = "6"
    & skf21("6","6","3","1","7","2","7","1") = "6"
    & skf21("6","6","3","1","7","3","1","1") = "6"
    & skf21("6","6","3","1","7","3","2","1") = "6"
    & skf21("6","6","3","1","7","3","3","1") = "6"
    & skf21("6","6","3","1","7","3","4","1") = "6"
    & skf21("6","6","3","1","7","3","5","1") = "6"
    & skf21("6","6","3","1","7","3","6","1") = "6"
    & skf21("6","6","3","1","7","3","7","1") = "6"
    & skf21("6","6","3","1","7","4","1","1") = "6"
    & skf21("6","6","3","1","7","4","2","1") = "6"
    & skf21("6","6","3","1","7","4","3","1") = "6"
    & skf21("6","6","3","1","7","4","4","1") = "6"
    & skf21("6","6","3","1","7","4","5","1") = "6"
    & skf21("6","6","3","1","7","4","6","1") = "6"
    & skf21("6","6","3","1","7","4","7","1") = "6"
    & skf21("6","6","3","1","7","5","1","1") = "6"
    & skf21("6","6","3","1","7","5","2","1") = "6"
    & skf21("6","6","3","1","7","5","3","1") = "6"
    & skf21("6","6","3","1","7","5","4","1") = "6"
    & skf21("6","6","3","1","7","5","5","1") = "6"
    & skf21("6","6","3","1","7","5","6","1") = "6"
    & skf21("6","6","3","1","7","5","7","1") = "6"
    & skf21("6","6","3","1","7","6","1","1") = "6"
    & skf21("6","6","3","1","7","6","2","1") = "6"
    & skf21("6","6","3","1","7","6","3","1") = "6"
    & skf21("6","6","3","1","7","6","4","1") = "6"
    & skf21("6","6","3","1","7","6","5","1") = "6"
    & skf21("6","6","3","1","7","6","6","1") = "6"
    & skf21("6","6","3","1","7","6","7","1") = "6"
    & skf21("6","6","3","1","7","7","1","1") = "6"
    & skf21("6","6","3","1","7","7","2","1") = "6"
    & skf21("6","6","3","1","7","7","3","1") = "6"
    & skf21("6","6","3","1","7","7","4","1") = "6"
    & skf21("6","6","3","1","7","7","5","1") = "6"
    & skf21("6","6","3","1","7","7","6","1") = "6"
    & skf21("6","6","3","1","7","7","7","1") = "6"
    & skf21("6","6","3","2","1","1","1","1") = "5"
    & skf21("6","6","3","2","1","1","2","1") = "5"
    & skf21("6","6","3","2","1","1","3","1") = "5"
    & skf21("6","6","3","2","1","1","4","1") = "5"
    & skf21("6","6","3","2","1","1","5","1") = "5"
    & skf21("6","6","3","2","1","1","6","1") = "5"
    & skf21("6","6","3","2","1","1","7","1") = "6"
    & skf21("6","6","3","2","1","2","1","1") = "5"
    & skf21("6","6","3","2","1","2","2","1") = "5"
    & skf21("6","6","3","2","1","2","3","1") = "5"
    & skf21("6","6","3","2","1","2","4","1") = "5"
    & skf21("6","6","3","2","1","2","5","1") = "5"
    & skf21("6","6","3","2","1","2","6","1") = "5"
    & skf21("6","6","3","2","1","2","7","1") = "6"
    & skf21("6","6","3","2","1","3","1","1") = "5"
    & skf21("6","6","3","2","1","3","2","1") = "5"
    & skf21("6","6","3","2","1","3","3","1") = "5"
    & skf21("6","6","3","2","1","3","4","1") = "5"
    & skf21("6","6","3","2","1","3","5","1") = "5"
    & skf21("6","6","3","2","1","3","6","1") = "5"
    & skf21("6","6","3","2","1","3","7","1") = "6"
    & skf21("6","6","3","2","1","4","1","1") = "5"
    & skf21("6","6","3","2","1","4","2","1") = "5"
    & skf21("6","6","3","2","1","4","3","1") = "5"
    & skf21("6","6","3","2","1","4","4","1") = "5"
    & skf21("6","6","3","2","1","4","5","1") = "5"
    & skf21("6","6","3","2","1","4","6","1") = "5"
    & skf21("6","6","3","2","1","4","7","1") = "6"
    & skf21("6","6","3","2","1","5","1","1") = "5"
    & skf21("6","6","3","2","1","5","2","1") = "5"
    & skf21("6","6","3","2","1","5","3","1") = "5"
    & skf21("6","6","3","2","1","5","4","1") = "5"
    & skf21("6","6","3","2","1","5","5","1") = "5"
    & skf21("6","6","3","2","1","5","6","1") = "5"
    & skf21("6","6","3","2","1","5","7","1") = "6"
    & skf21("6","6","3","2","1","6","1","1") = "5"
    & skf21("6","6","3","2","1","6","2","1") = "5"
    & skf21("6","6","3","2","1","6","3","1") = "5"
    & skf21("6","6","3","2","1","6","4","1") = "5"
    & skf21("6","6","3","2","1","6","5","1") = "5"
    & skf21("6","6","3","2","1","6","6","1") = "5"
    & skf21("6","6","3","2","1","6","7","1") = "6"
    & skf21("6","6","3","2","1","7","1","1") = "6"
    & skf21("6","6","3","2","1","7","2","1") = "6"
    & skf21("6","6","3","2","1","7","3","1") = "6"
    & skf21("6","6","3","2","1","7","4","1") = "6"
    & skf21("6","6","3","2","1","7","5","1") = "6"
    & skf21("6","6","3","2","1","7","6","1") = "6"
    & skf21("6","6","3","2","1","7","7","1") = "6"
    & skf21("6","6","3","2","2","1","1","1") = "5"
    & skf21("6","6","3","2","2","1","2","1") = "5"
    & skf21("6","6","3","2","2","1","3","1") = "5"
    & skf21("6","6","3","2","2","1","4","1") = "5"
    & skf21("6","6","3","2","2","1","5","1") = "5"
    & skf21("6","6","3","2","2","1","6","1") = "5"
    & skf21("6","6","3","2","2","1","7","1") = "6"
    & skf21("6","6","3","2","2","2","1","1") = "5"
    & skf21("6","6","3","2","2","2","2","1") = "5"
    & skf21("6","6","3","2","2","2","3","1") = "5"
    & skf21("6","6","3","2","2","2","4","1") = "5"
    & skf21("6","6","3","2","2","2","5","1") = "5"
    & skf21("6","6","3","2","2","2","6","1") = "5"
    & skf21("6","6","3","2","2","2","7","1") = "6"
    & skf21("6","6","3","2","2","3","1","1") = "5"
    & skf21("6","6","3","2","2","3","2","1") = "5"
    & skf21("6","6","3","2","2","3","3","1") = "5"
    & skf21("6","6","3","2","2","3","4","1") = "5"
    & skf21("6","6","3","2","2","3","5","1") = "5"
    & skf21("6","6","3","2","2","3","6","1") = "5"
    & skf21("6","6","3","2","2","3","7","1") = "6"
    & skf21("6","6","3","2","2","4","1","1") = "5"
    & skf21("6","6","3","2","2","4","2","1") = "5"
    & skf21("6","6","3","2","2","4","3","1") = "5"
    & skf21("6","6","3","2","2","4","4","1") = "5"
    & skf21("6","6","3","2","2","4","5","1") = "5"
    & skf21("6","6","3","2","2","4","6","1") = "5"
    & skf21("6","6","3","2","2","4","7","1") = "6"
    & skf21("6","6","3","2","2","5","1","1") = "5"
    & skf21("6","6","3","2","2","5","2","1") = "5"
    & skf21("6","6","3","2","2","5","3","1") = "5"
    & skf21("6","6","3","2","2","5","4","1") = "5"
    & skf21("6","6","3","2","2","5","5","1") = "5"
    & skf21("6","6","3","2","2","5","6","1") = "5"
    & skf21("6","6","3","2","2","5","7","1") = "6"
    & skf21("6","6","3","2","2","6","1","1") = "5"
    & skf21("6","6","3","2","2","6","2","1") = "5"
    & skf21("6","6","3","2","2","6","3","1") = "5"
    & skf21("6","6","3","2","2","6","4","1") = "5"
    & skf21("6","6","3","2","2","6","5","1") = "5"
    & skf21("6","6","3","2","2","6","6","1") = "5"
    & skf21("6","6","3","2","2","6","7","1") = "6"
    & skf21("6","6","3","2","2","7","1","1") = "6"
    & skf21("6","6","3","2","2","7","2","1") = "6"
    & skf21("6","6","3","2","2","7","3","1") = "6"
    & skf21("6","6","3","2","2","7","4","1") = "6"
    & skf21("6","6","3","2","2","7","5","1") = "6"
    & skf21("6","6","3","2","2","7","6","1") = "6"
    & skf21("6","6","3","2","2","7","7","1") = "6"
    & skf21("6","6","3","2","3","1","1","1") = "5"
    & skf21("6","6","3","2","3","1","2","1") = "5"
    & skf21("6","6","3","2","3","1","3","1") = "5"
    & skf21("6","6","3","2","3","1","4","1") = "5"
    & skf21("6","6","3","2","3","1","5","1") = "5"
    & skf21("6","6","3","2","3","1","6","1") = "5"
    & skf21("6","6","3","2","3","1","7","1") = "6"
    & skf21("6","6","3","2","3","2","1","1") = "5"
    & skf21("6","6","3","2","3","2","2","1") = "5"
    & skf21("6","6","3","2","3","2","3","1") = "5"
    & skf21("6","6","3","2","3","2","4","1") = "5"
    & skf21("6","6","3","2","3","2","5","1") = "5"
    & skf21("6","6","3","2","3","2","6","1") = "5"
    & skf21("6","6","3","2","3","2","7","1") = "6"
    & skf21("6","6","3","2","3","3","1","1") = "5"
    & skf21("6","6","3","2","3","3","2","1") = "5"
    & skf21("6","6","3","2","3","3","3","1") = "5"
    & skf21("6","6","3","2","3","3","4","1") = "5"
    & skf21("6","6","3","2","3","3","5","1") = "5"
    & skf21("6","6","3","2","3","3","6","1") = "5"
    & skf21("6","6","3","2","3","3","7","1") = "6"
    & skf21("6","6","3","2","3","4","1","1") = "5"
    & skf21("6","6","3","2","3","4","2","1") = "5"
    & skf21("6","6","3","2","3","4","3","1") = "5"
    & skf21("6","6","3","2","3","4","4","1") = "5"
    & skf21("6","6","3","2","3","4","5","1") = "5"
    & skf21("6","6","3","2","3","4","6","1") = "5"
    & skf21("6","6","3","2","3","4","7","1") = "6"
    & skf21("6","6","3","2","3","5","1","1") = "5"
    & skf21("6","6","3","2","3","5","2","1") = "5"
    & skf21("6","6","3","2","3","5","3","1") = "5"
    & skf21("6","6","3","2","3","5","4","1") = "5"
    & skf21("6","6","3","2","3","5","5","1") = "5"
    & skf21("6","6","3","2","3","5","6","1") = "5"
    & skf21("6","6","3","2","3","5","7","1") = "6"
    & skf21("6","6","3","2","3","6","1","1") = "5"
    & skf21("6","6","3","2","3","6","2","1") = "5"
    & skf21("6","6","3","2","3","6","3","1") = "5"
    & skf21("6","6","3","2","3","6","4","1") = "5"
    & skf21("6","6","3","2","3","6","5","1") = "5"
    & skf21("6","6","3","2","3","6","6","1") = "5"
    & skf21("6","6","3","2","3","6","7","1") = "6"
    & skf21("6","6","3","2","3","7","1","1") = "6"
    & skf21("6","6","3","2","3","7","2","1") = "6"
    & skf21("6","6","3","2","3","7","3","1") = "6"
    & skf21("6","6","3","2","3","7","4","1") = "6"
    & skf21("6","6","3","2","3","7","5","1") = "6"
    & skf21("6","6","3","2","3","7","6","1") = "6"
    & skf21("6","6","3","2","3","7","7","1") = "6"
    & skf21("6","6","3","2","4","1","1","1") = "5"
    & skf21("6","6","3","2","4","1","2","1") = "5"
    & skf21("6","6","3","2","4","1","3","1") = "5"
    & skf21("6","6","3","2","4","1","4","1") = "5"
    & skf21("6","6","3","2","4","1","5","1") = "5"
    & skf21("6","6","3","2","4","1","6","1") = "5"
    & skf21("6","6","3","2","4","1","7","1") = "6"
    & skf21("6","6","3","2","4","2","1","1") = "5"
    & skf21("6","6","3","2","4","2","2","1") = "5"
    & skf21("6","6","3","2","4","2","3","1") = "5"
    & skf21("6","6","3","2","4","2","4","1") = "5"
    & skf21("6","6","3","2","4","2","5","1") = "5"
    & skf21("6","6","3","2","4","2","6","1") = "5"
    & skf21("6","6","3","2","4","2","7","1") = "6"
    & skf21("6","6","3","2","4","3","1","1") = "5"
    & skf21("6","6","3","2","4","3","2","1") = "5"
    & skf21("6","6","3","2","4","3","3","1") = "5"
    & skf21("6","6","3","2","4","3","4","1") = "5"
    & skf21("6","6","3","2","4","3","5","1") = "5"
    & skf21("6","6","3","2","4","3","6","1") = "5"
    & skf21("6","6","3","2","4","3","7","1") = "6"
    & skf21("6","6","3","2","4","4","1","1") = "5"
    & skf21("6","6","3","2","4","4","2","1") = "5"
    & skf21("6","6","3","2","4","4","3","1") = "5"
    & skf21("6","6","3","2","4","4","4","1") = "5"
    & skf21("6","6","3","2","4","4","5","1") = "5"
    & skf21("6","6","3","2","4","4","6","1") = "5"
    & skf21("6","6","3","2","4","4","7","1") = "6"
    & skf21("6","6","3","2","4","5","1","1") = "5"
    & skf21("6","6","3","2","4","5","2","1") = "5"
    & skf21("6","6","3","2","4","5","3","1") = "5"
    & skf21("6","6","3","2","4","5","4","1") = "5"
    & skf21("6","6","3","2","4","5","5","1") = "5"
    & skf21("6","6","3","2","4","5","6","1") = "5"
    & skf21("6","6","3","2","4","5","7","1") = "6"
    & skf21("6","6","3","2","4","6","1","1") = "5"
    & skf21("6","6","3","2","4","6","2","1") = "5"
    & skf21("6","6","3","2","4","6","3","1") = "5"
    & skf21("6","6","3","2","4","6","4","1") = "5"
    & skf21("6","6","3","2","4","6","5","1") = "5"
    & skf21("6","6","3","2","4","6","6","1") = "5"
    & skf21("6","6","3","2","4","6","7","1") = "6"
    & skf21("6","6","3","2","4","7","1","1") = "6"
    & skf21("6","6","3","2","4","7","2","1") = "6"
    & skf21("6","6","3","2","4","7","3","1") = "6"
    & skf21("6","6","3","2","4","7","4","1") = "6"
    & skf21("6","6","3","2","4","7","5","1") = "6"
    & skf21("6","6","3","2","4","7","6","1") = "6"
    & skf21("6","6","3","2","4","7","7","1") = "6"
    & skf21("6","6","3","2","5","1","1","1") = "5"
    & skf21("6","6","3","2","5","1","2","1") = "5"
    & skf21("6","6","3","2","5","1","3","1") = "5"
    & skf21("6","6","3","2","5","1","4","1") = "5"
    & skf21("6","6","3","2","5","1","5","1") = "5"
    & skf21("6","6","3","2","5","1","6","1") = "5"
    & skf21("6","6","3","2","5","1","7","1") = "6"
    & skf21("6","6","3","2","5","2","1","1") = "5"
    & skf21("6","6","3","2","5","2","2","1") = "5"
    & skf21("6","6","3","2","5","2","3","1") = "5"
    & skf21("6","6","3","2","5","2","4","1") = "5"
    & skf21("6","6","3","2","5","2","5","1") = "5"
    & skf21("6","6","3","2","5","2","6","1") = "5"
    & skf21("6","6","3","2","5","2","7","1") = "6"
    & skf21("6","6","3","2","5","3","1","1") = "5"
    & skf21("6","6","3","2","5","3","2","1") = "5"
    & skf21("6","6","3","2","5","3","3","1") = "5"
    & skf21("6","6","3","2","5","3","4","1") = "5"
    & skf21("6","6","3","2","5","3","5","1") = "5"
    & skf21("6","6","3","2","5","3","6","1") = "5"
    & skf21("6","6","3","2","5","3","7","1") = "6"
    & skf21("6","6","3","2","5","4","1","1") = "5"
    & skf21("6","6","3","2","5","4","2","1") = "5"
    & skf21("6","6","3","2","5","4","3","1") = "5"
    & skf21("6","6","3","2","5","4","4","1") = "5"
    & skf21("6","6","3","2","5","4","5","1") = "5"
    & skf21("6","6","3","2","5","4","6","1") = "5"
    & skf21("6","6","3","2","5","4","7","1") = "6"
    & skf21("6","6","3","2","5","5","1","1") = "5"
    & skf21("6","6","3","2","5","5","2","1") = "5"
    & skf21("6","6","3","2","5","5","3","1") = "5"
    & skf21("6","6","3","2","5","5","4","1") = "5"
    & skf21("6","6","3","2","5","5","5","1") = "5"
    & skf21("6","6","3","2","5","5","6","1") = "5"
    & skf21("6","6","3","2","5","5","7","1") = "6"
    & skf21("6","6","3","2","5","6","1","1") = "5"
    & skf21("6","6","3","2","5","6","2","1") = "5"
    & skf21("6","6","3","2","5","6","3","1") = "5"
    & skf21("6","6","3","2","5","6","4","1") = "5"
    & skf21("6","6","3","2","5","6","5","1") = "5"
    & skf21("6","6","3","2","5","6","6","1") = "5"
    & skf21("6","6","3","2","5","6","7","1") = "6"
    & skf21("6","6","3","2","5","7","1","1") = "6"
    & skf21("6","6","3","2","5","7","2","1") = "6"
    & skf21("6","6","3","2","5","7","3","1") = "6"
    & skf21("6","6","3","2","5","7","4","1") = "6"
    & skf21("6","6","3","2","5","7","5","1") = "6"
    & skf21("6","6","3","2","5","7","6","1") = "6"
    & skf21("6","6","3","2","5","7","7","1") = "6"
    & skf21("6","6","3","2","6","1","1","1") = "5"
    & skf21("6","6","3","2","6","1","2","1") = "5"
    & skf21("6","6","3","2","6","1","3","1") = "5"
    & skf21("6","6","3","2","6","1","4","1") = "5"
    & skf21("6","6","3","2","6","1","5","1") = "5"
    & skf21("6","6","3","2","6","1","6","1") = "5"
    & skf21("6","6","3","2","6","1","7","1") = "6"
    & skf21("6","6","3","2","6","2","1","1") = "5"
    & skf21("6","6","3","2","6","2","2","1") = "5"
    & skf21("6","6","3","2","6","2","3","1") = "5"
    & skf21("6","6","3","2","6","2","4","1") = "5"
    & skf21("6","6","3","2","6","2","5","1") = "5"
    & skf21("6","6","3","2","6","2","6","1") = "5"
    & skf21("6","6","3","2","6","2","7","1") = "6"
    & skf21("6","6","3","2","6","3","1","1") = "5"
    & skf21("6","6","3","2","6","3","2","1") = "5"
    & skf21("6","6","3","2","6","3","3","1") = "5"
    & skf21("6","6","3","2","6","3","4","1") = "5"
    & skf21("6","6","3","2","6","3","5","1") = "5"
    & skf21("6","6","3","2","6","3","6","1") = "5"
    & skf21("6","6","3","2","6","3","7","1") = "6"
    & skf21("6","6","3","2","6","4","1","1") = "5"
    & skf21("6","6","3","2","6","4","2","1") = "5"
    & skf21("6","6","3","2","6","4","3","1") = "5"
    & skf21("6","6","3","2","6","4","4","1") = "5"
    & skf21("6","6","3","2","6","4","5","1") = "5"
    & skf21("6","6","3","2","6","4","6","1") = "5"
    & skf21("6","6","3","2","6","4","7","1") = "6"
    & skf21("6","6","3","2","6","5","1","1") = "5"
    & skf21("6","6","3","2","6","5","2","1") = "5"
    & skf21("6","6","3","2","6","5","3","1") = "5"
    & skf21("6","6","3","2","6","5","4","1") = "5"
    & skf21("6","6","3","2","6","5","5","1") = "5"
    & skf21("6","6","3","2","6","5","6","1") = "5"
    & skf21("6","6","3","2","6","5","7","1") = "6"
    & skf21("6","6","3","2","6","6","1","1") = "5"
    & skf21("6","6","3","2","6","6","2","1") = "5"
    & skf21("6","6","3","2","6","6","3","1") = "5"
    & skf21("6","6","3","2","6","6","4","1") = "5"
    & skf21("6","6","3","2","6","6","5","1") = "5"
    & skf21("6","6","3","2","6","6","6","1") = "5"
    & skf21("6","6","3","2","6","6","7","1") = "6"
    & skf21("6","6","3","2","6","7","1","1") = "6"
    & skf21("6","6","3","2","6","7","2","1") = "6"
    & skf21("6","6","3","2","6","7","3","1") = "6"
    & skf21("6","6","3","2","6","7","4","1") = "6"
    & skf21("6","6","3","2","6","7","5","1") = "6"
    & skf21("6","6","3","2","6","7","6","1") = "6"
    & skf21("6","6","3","2","6","7","7","1") = "6"
    & skf21("6","6","3","2","7","1","1","1") = "6"
    & skf21("6","6","3","2","7","1","2","1") = "6"
    & skf21("6","6","3","2","7","1","3","1") = "6"
    & skf21("6","6","3","2","7","1","4","1") = "6"
    & skf21("6","6","3","2","7","1","5","1") = "6"
    & skf21("6","6","3","2","7","1","6","1") = "6"
    & skf21("6","6","3","2","7","1","7","1") = "6"
    & skf21("6","6","3","2","7","2","1","1") = "6"
    & skf21("6","6","3","2","7","2","2","1") = "6"
    & skf21("6","6","3","2","7","2","3","1") = "6"
    & skf21("6","6","3","2","7","2","4","1") = "6"
    & skf21("6","6","3","2","7","2","5","1") = "6"
    & skf21("6","6","3","2","7","2","6","1") = "6"
    & skf21("6","6","3","2","7","2","7","1") = "6"
    & skf21("6","6","3","2","7","3","1","1") = "6"
    & skf21("6","6","3","2","7","3","2","1") = "6"
    & skf21("6","6","3","2","7","3","3","1") = "6"
    & skf21("6","6","3","2","7","3","4","1") = "6"
    & skf21("6","6","3","2","7","3","5","1") = "6"
    & skf21("6","6","3","2","7","3","6","1") = "6"
    & skf21("6","6","3","2","7","3","7","1") = "6"
    & skf21("6","6","3","2","7","4","1","1") = "6"
    & skf21("6","6","3","2","7","4","2","1") = "6"
    & skf21("6","6","3","2","7","4","3","1") = "6"
    & skf21("6","6","3","2","7","4","4","1") = "6"
    & skf21("6","6","3","2","7","4","5","1") = "6"
    & skf21("6","6","3","2","7","4","6","1") = "6"
    & skf21("6","6","3","2","7","4","7","1") = "6"
    & skf21("6","6","3","2","7","5","1","1") = "6"
    & skf21("6","6","3","2","7","5","2","1") = "6"
    & skf21("6","6","3","2","7","5","3","1") = "6"
    & skf21("6","6","3","2","7","5","4","1") = "6"
    & skf21("6","6","3","2","7","5","5","1") = "6"
    & skf21("6","6","3","2","7","5","6","1") = "6"
    & skf21("6","6","3","2","7","5","7","1") = "6"
    & skf21("6","6","3","2","7","6","1","1") = "6"
    & skf21("6","6","3","2","7","6","2","1") = "6"
    & skf21("6","6","3","2","7","6","3","1") = "6"
    & skf21("6","6","3","2","7","6","4","1") = "6"
    & skf21("6","6","3","2","7","6","5","1") = "6"
    & skf21("6","6","3","2","7","6","6","1") = "6"
    & skf21("6","6","3","2","7","6","7","1") = "6"
    & skf21("6","6","3","2","7","7","1","1") = "6"
    & skf21("6","6","3","2","7","7","2","1") = "6"
    & skf21("6","6","3","2","7","7","3","1") = "6"
    & skf21("6","6","3","2","7","7","4","1") = "6"
    & skf21("6","6","3","2","7","7","5","1") = "6"
    & skf21("6","6","3","2","7","7","6","1") = "6"
    & skf21("6","6","3","2","7","7","7","1") = "6"
    & skf21("6","6","3","3","1","1","1","1") = "5"
    & skf21("6","6","3","3","1","1","2","1") = "5"
    & skf21("6","6","3","3","1","1","3","1") = "5"
    & skf21("6","6","3","3","1","1","4","1") = "5"
    & skf21("6","6","3","3","1","1","5","1") = "5"
    & skf21("6","6","3","3","1","1","6","1") = "5"
    & skf21("6","6","3","3","1","1","7","1") = "6"
    & skf21("6","6","3","3","1","2","1","1") = "5"
    & skf21("6","6","3","3","1","2","2","1") = "5"
    & skf21("6","6","3","3","1","2","3","1") = "5"
    & skf21("6","6","3","3","1","2","4","1") = "5"
    & skf21("6","6","3","3","1","2","5","1") = "5"
    & skf21("6","6","3","3","1","2","6","1") = "5"
    & skf21("6","6","3","3","1","2","7","1") = "6"
    & skf21("6","6","3","3","1","3","1","1") = "5"
    & skf21("6","6","3","3","1","3","2","1") = "5"
    & skf21("6","6","3","3","1","3","3","1") = "5"
    & skf21("6","6","3","3","1","3","4","1") = "5"
    & skf21("6","6","3","3","1","3","5","1") = "5"
    & skf21("6","6","3","3","1","3","6","1") = "5"
    & skf21("6","6","3","3","1","3","7","1") = "6"
    & skf21("6","6","3","3","1","4","1","1") = "5"
    & skf21("6","6","3","3","1","4","2","1") = "5"
    & skf21("6","6","3","3","1","4","3","1") = "5"
    & skf21("6","6","3","3","1","4","4","1") = "5"
    & skf21("6","6","3","3","1","4","5","1") = "5"
    & skf21("6","6","3","3","1","4","6","1") = "5"
    & skf21("6","6","3","3","1","4","7","1") = "6"
    & skf21("6","6","3","3","1","5","1","1") = "5"
    & skf21("6","6","3","3","1","5","2","1") = "5"
    & skf21("6","6","3","3","1","5","3","1") = "5"
    & skf21("6","6","3","3","1","5","4","1") = "5"
    & skf21("6","6","3","3","1","5","5","1") = "5"
    & skf21("6","6","3","3","1","5","6","1") = "5"
    & skf21("6","6","3","3","1","5","7","1") = "6"
    & skf21("6","6","3","3","1","6","1","1") = "5"
    & skf21("6","6","3","3","1","6","2","1") = "5"
    & skf21("6","6","3","3","1","6","3","1") = "5"
    & skf21("6","6","3","3","1","6","4","1") = "5"
    & skf21("6","6","3","3","1","6","5","1") = "5"
    & skf21("6","6","3","3","1","6","6","1") = "5"
    & skf21("6","6","3","3","1","6","7","1") = "6"
    & skf21("6","6","3","3","1","7","1","1") = "6"
    & skf21("6","6","3","3","1","7","2","1") = "6"
    & skf21("6","6","3","3","1","7","3","1") = "6"
    & skf21("6","6","3","3","1","7","4","1") = "6"
    & skf21("6","6","3","3","1","7","5","1") = "6"
    & skf21("6","6","3","3","1","7","6","1") = "6"
    & skf21("6","6","3","3","1","7","7","1") = "6"
    & skf21("6","6","3","3","2","1","1","1") = "5"
    & skf21("6","6","3","3","2","1","2","1") = "5"
    & skf21("6","6","3","3","2","1","3","1") = "5"
    & skf21("6","6","3","3","2","1","4","1") = "5"
    & skf21("6","6","3","3","2","1","5","1") = "5"
    & skf21("6","6","3","3","2","1","6","1") = "5"
    & skf21("6","6","3","3","2","1","7","1") = "6"
    & skf21("6","6","3","3","2","2","1","1") = "5"
    & skf21("6","6","3","3","2","2","2","1") = "5"
    & skf21("6","6","3","3","2","2","3","1") = "5"
    & skf21("6","6","3","3","2","2","4","1") = "5"
    & skf21("6","6","3","3","2","2","5","1") = "5"
    & skf21("6","6","3","3","2","2","6","1") = "5"
    & skf21("6","6","3","3","2","2","7","1") = "6"
    & skf21("6","6","3","3","2","3","1","1") = "5"
    & skf21("6","6","3","3","2","3","2","1") = "5"
    & skf21("6","6","3","3","2","3","3","1") = "5"
    & skf21("6","6","3","3","2","3","4","1") = "5"
    & skf21("6","6","3","3","2","3","5","1") = "5"
    & skf21("6","6","3","3","2","3","6","1") = "5"
    & skf21("6","6","3","3","2","3","7","1") = "6"
    & skf21("6","6","3","3","2","4","1","1") = "5"
    & skf21("6","6","3","3","2","4","2","1") = "5"
    & skf21("6","6","3","3","2","4","3","1") = "5"
    & skf21("6","6","3","3","2","4","4","1") = "5"
    & skf21("6","6","3","3","2","4","5","1") = "5"
    & skf21("6","6","3","3","2","4","6","1") = "5"
    & skf21("6","6","3","3","2","4","7","1") = "6"
    & skf21("6","6","3","3","2","5","1","1") = "5"
    & skf21("6","6","3","3","2","5","2","1") = "5"
    & skf21("6","6","3","3","2","5","3","1") = "5"
    & skf21("6","6","3","3","2","5","4","1") = "5"
    & skf21("6","6","3","3","2","5","5","1") = "5"
    & skf21("6","6","3","3","2","5","6","1") = "5"
    & skf21("6","6","3","3","2","5","7","1") = "6"
    & skf21("6","6","3","3","2","6","1","1") = "5"
    & skf21("6","6","3","3","2","6","2","1") = "5"
    & skf21("6","6","3","3","2","6","3","1") = "5"
    & skf21("6","6","3","3","2","6","4","1") = "5"
    & skf21("6","6","3","3","2","6","5","1") = "5"
    & skf21("6","6","3","3","2","6","6","1") = "5"
    & skf21("6","6","3","3","2","6","7","1") = "6"
    & skf21("6","6","3","3","2","7","1","1") = "6"
    & skf21("6","6","3","3","2","7","2","1") = "6"
    & skf21("6","6","3","3","2","7","3","1") = "6"
    & skf21("6","6","3","3","2","7","4","1") = "6"
    & skf21("6","6","3","3","2","7","5","1") = "6"
    & skf21("6","6","3","3","2","7","6","1") = "6"
    & skf21("6","6","3","3","2","7","7","1") = "6"
    & skf21("6","6","3","3","3","1","1","1") = "5"
    & skf21("6","6","3","3","3","1","2","1") = "5"
    & skf21("6","6","3","3","3","1","3","1") = "5"
    & skf21("6","6","3","3","3","1","4","1") = "5"
    & skf21("6","6","3","3","3","1","5","1") = "5"
    & skf21("6","6","3","3","3","1","6","1") = "5"
    & skf21("6","6","3","3","3","1","7","1") = "6"
    & skf21("6","6","3","3","3","2","1","1") = "5"
    & skf21("6","6","3","3","3","2","2","1") = "5"
    & skf21("6","6","3","3","3","2","3","1") = "5"
    & skf21("6","6","3","3","3","2","4","1") = "5"
    & skf21("6","6","3","3","3","2","5","1") = "5"
    & skf21("6","6","3","3","3","2","6","1") = "5"
    & skf21("6","6","3","3","3","2","7","1") = "6"
    & skf21("6","6","3","3","3","3","1","1") = "5"
    & skf21("6","6","3","3","3","3","2","1") = "5"
    & skf21("6","6","3","3","3","3","3","1") = "5"
    & skf21("6","6","3","3","3","3","4","1") = "5"
    & skf21("6","6","3","3","3","3","5","1") = "5"
    & skf21("6","6","3","3","3","3","6","1") = "5"
    & skf21("6","6","3","3","3","3","7","1") = "6"
    & skf21("6","6","3","3","3","4","1","1") = "5"
    & skf21("6","6","3","3","3","4","2","1") = "5"
    & skf21("6","6","3","3","3","4","3","1") = "5"
    & skf21("6","6","3","3","3","4","4","1") = "5"
    & skf21("6","6","3","3","3","4","5","1") = "5"
    & skf21("6","6","3","3","3","4","6","1") = "5"
    & skf21("6","6","3","3","3","4","7","1") = "6"
    & skf21("6","6","3","3","3","5","1","1") = "5"
    & skf21("6","6","3","3","3","5","2","1") = "5"
    & skf21("6","6","3","3","3","5","3","1") = "5"
    & skf21("6","6","3","3","3","5","4","1") = "5"
    & skf21("6","6","3","3","3","5","5","1") = "5"
    & skf21("6","6","3","3","3","5","6","1") = "5"
    & skf21("6","6","3","3","3","5","7","1") = "6"
    & skf21("6","6","3","3","3","6","1","1") = "5"
    & skf21("6","6","3","3","3","6","2","1") = "5"
    & skf21("6","6","3","3","3","6","3","1") = "5"
    & skf21("6","6","3","3","3","6","4","1") = "5"
    & skf21("6","6","3","3","3","6","5","1") = "5"
    & skf21("6","6","3","3","3","6","6","1") = "5"
    & skf21("6","6","3","3","3","6","7","1") = "6"
    & skf21("6","6","3","3","3","7","1","1") = "6"
    & skf21("6","6","3","3","3","7","2","1") = "6"
    & skf21("6","6","3","3","3","7","3","1") = "6"
    & skf21("6","6","3","3","3","7","4","1") = "6"
    & skf21("6","6","3","3","3","7","5","1") = "6"
    & skf21("6","6","3","3","3","7","6","1") = "6"
    & skf21("6","6","3","3","3","7","7","1") = "6"
    & skf21("6","6","3","3","4","1","1","1") = "5"
    & skf21("6","6","3","3","4","1","2","1") = "5"
    & skf21("6","6","3","3","4","1","3","1") = "5"
    & skf21("6","6","3","3","4","1","4","1") = "5"
    & skf21("6","6","3","3","4","1","5","1") = "5"
    & skf21("6","6","3","3","4","1","6","1") = "5"
    & skf21("6","6","3","3","4","1","7","1") = "6"
    & skf21("6","6","3","3","4","2","1","1") = "5"
    & skf21("6","6","3","3","4","2","2","1") = "5"
    & skf21("6","6","3","3","4","2","3","1") = "5"
    & skf21("6","6","3","3","4","2","4","1") = "5"
    & skf21("6","6","3","3","4","2","5","1") = "5"
    & skf21("6","6","3","3","4","2","6","1") = "5"
    & skf21("6","6","3","3","4","2","7","1") = "6"
    & skf21("6","6","3","3","4","3","1","1") = "5"
    & skf21("6","6","3","3","4","3","2","1") = "5"
    & skf21("6","6","3","3","4","3","3","1") = "5"
    & skf21("6","6","3","3","4","3","4","1") = "5"
    & skf21("6","6","3","3","4","3","5","1") = "5"
    & skf21("6","6","3","3","4","3","6","1") = "5"
    & skf21("6","6","3","3","4","3","7","1") = "6"
    & skf21("6","6","3","3","4","4","1","1") = "5"
    & skf21("6","6","3","3","4","4","2","1") = "5"
    & skf21("6","6","3","3","4","4","3","1") = "5"
    & skf21("6","6","3","3","4","4","4","1") = "5"
    & skf21("6","6","3","3","4","4","5","1") = "5"
    & skf21("6","6","3","3","4","4","6","1") = "5"
    & skf21("6","6","3","3","4","4","7","1") = "6"
    & skf21("6","6","3","3","4","5","1","1") = "5"
    & skf21("6","6","3","3","4","5","2","1") = "5"
    & skf21("6","6","3","3","4","5","3","1") = "5"
    & skf21("6","6","3","3","4","5","4","1") = "5"
    & skf21("6","6","3","3","4","5","5","1") = "5"
    & skf21("6","6","3","3","4","5","6","1") = "5"
    & skf21("6","6","3","3","4","5","7","1") = "6"
    & skf21("6","6","3","3","4","6","1","1") = "5"
    & skf21("6","6","3","3","4","6","2","1") = "5"
    & skf21("6","6","3","3","4","6","3","1") = "5"
    & skf21("6","6","3","3","4","6","4","1") = "5"
    & skf21("6","6","3","3","4","6","5","1") = "5"
    & skf21("6","6","3","3","4","6","6","1") = "5"
    & skf21("6","6","3","3","4","6","7","1") = "6"
    & skf21("6","6","3","3","4","7","1","1") = "6"
    & skf21("6","6","3","3","4","7","2","1") = "6"
    & skf21("6","6","3","3","4","7","3","1") = "6"
    & skf21("6","6","3","3","4","7","4","1") = "6"
    & skf21("6","6","3","3","4","7","5","1") = "6"
    & skf21("6","6","3","3","4","7","6","1") = "6"
    & skf21("6","6","3","3","4","7","7","1") = "6"
    & skf21("6","6","3","3","5","1","1","1") = "5"
    & skf21("6","6","3","3","5","1","2","1") = "5"
    & skf21("6","6","3","3","5","1","3","1") = "5"
    & skf21("6","6","3","3","5","1","4","1") = "5"
    & skf21("6","6","3","3","5","1","5","1") = "5"
    & skf21("6","6","3","3","5","1","6","1") = "5"
    & skf21("6","6","3","3","5","1","7","1") = "6"
    & skf21("6","6","3","3","5","2","1","1") = "5"
    & skf21("6","6","3","3","5","2","2","1") = "5"
    & skf21("6","6","3","3","5","2","3","1") = "5"
    & skf21("6","6","3","3","5","2","4","1") = "5"
    & skf21("6","6","3","3","5","2","5","1") = "5"
    & skf21("6","6","3","3","5","2","6","1") = "5"
    & skf21("6","6","3","3","5","2","7","1") = "6"
    & skf21("6","6","3","3","5","3","1","1") = "5"
    & skf21("6","6","3","3","5","3","2","1") = "5"
    & skf21("6","6","3","3","5","3","3","1") = "5"
    & skf21("6","6","3","3","5","3","4","1") = "5"
    & skf21("6","6","3","3","5","3","5","1") = "5"
    & skf21("6","6","3","3","5","3","6","1") = "5"
    & skf21("6","6","3","3","5","3","7","1") = "6"
    & skf21("6","6","3","3","5","4","1","1") = "5"
    & skf21("6","6","3","3","5","4","2","1") = "5"
    & skf21("6","6","3","3","5","4","3","1") = "5"
    & skf21("6","6","3","3","5","4","4","1") = "5"
    & skf21("6","6","3","3","5","4","5","1") = "5"
    & skf21("6","6","3","3","5","4","6","1") = "5"
    & skf21("6","6","3","3","5","4","7","1") = "6"
    & skf21("6","6","3","3","5","5","1","1") = "5"
    & skf21("6","6","3","3","5","5","2","1") = "5"
    & skf21("6","6","3","3","5","5","3","1") = "5"
    & skf21("6","6","3","3","5","5","4","1") = "5"
    & skf21("6","6","3","3","5","5","5","1") = "5"
    & skf21("6","6","3","3","5","5","6","1") = "5"
    & skf21("6","6","3","3","5","5","7","1") = "6"
    & skf21("6","6","3","3","5","6","1","1") = "5"
    & skf21("6","6","3","3","5","6","2","1") = "5"
    & skf21("6","6","3","3","5","6","3","1") = "5"
    & skf21("6","6","3","3","5","6","4","1") = "5"
    & skf21("6","6","3","3","5","6","5","1") = "5"
    & skf21("6","6","3","3","5","6","6","1") = "5"
    & skf21("6","6","3","3","5","6","7","1") = "6"
    & skf21("6","6","3","3","5","7","1","1") = "6"
    & skf21("6","6","3","3","5","7","2","1") = "6"
    & skf21("6","6","3","3","5","7","3","1") = "6"
    & skf21("6","6","3","3","5","7","4","1") = "6"
    & skf21("6","6","3","3","5","7","5","1") = "6"
    & skf21("6","6","3","3","5","7","6","1") = "6"
    & skf21("6","6","3","3","5","7","7","1") = "6"
    & skf21("6","6","3","3","6","1","1","1") = "5"
    & skf21("6","6","3","3","6","1","2","1") = "5"
    & skf21("6","6","3","3","6","1","3","1") = "5"
    & skf21("6","6","3","3","6","1","4","1") = "5"
    & skf21("6","6","3","3","6","1","5","1") = "5"
    & skf21("6","6","3","3","6","1","6","1") = "5"
    & skf21("6","6","3","3","6","1","7","1") = "6"
    & skf21("6","6","3","3","6","2","1","1") = "5"
    & skf21("6","6","3","3","6","2","2","1") = "5"
    & skf21("6","6","3","3","6","2","3","1") = "5"
    & skf21("6","6","3","3","6","2","4","1") = "5"
    & skf21("6","6","3","3","6","2","5","1") = "5"
    & skf21("6","6","3","3","6","2","6","1") = "5"
    & skf21("6","6","3","3","6","2","7","1") = "6"
    & skf21("6","6","3","3","6","3","1","1") = "5"
    & skf21("6","6","3","3","6","3","2","1") = "5"
    & skf21("6","6","3","3","6","3","3","1") = "5"
    & skf21("6","6","3","3","6","3","4","1") = "5"
    & skf21("6","6","3","3","6","3","5","1") = "5"
    & skf21("6","6","3","3","6","3","6","1") = "5"
    & skf21("6","6","3","3","6","3","7","1") = "6"
    & skf21("6","6","3","3","6","4","1","1") = "5"
    & skf21("6","6","3","3","6","4","2","1") = "5"
    & skf21("6","6","3","3","6","4","3","1") = "5"
    & skf21("6","6","3","3","6","4","4","1") = "5"
    & skf21("6","6","3","3","6","4","5","1") = "5"
    & skf21("6","6","3","3","6","4","6","1") = "5"
    & skf21("6","6","3","3","6","4","7","1") = "6"
    & skf21("6","6","3","3","6","5","1","1") = "5"
    & skf21("6","6","3","3","6","5","2","1") = "5"
    & skf21("6","6","3","3","6","5","3","1") = "5"
    & skf21("6","6","3","3","6","5","4","1") = "5"
    & skf21("6","6","3","3","6","5","5","1") = "5"
    & skf21("6","6","3","3","6","5","6","1") = "5"
    & skf21("6","6","3","3","6","5","7","1") = "6"
    & skf21("6","6","3","3","6","6","1","1") = "5"
    & skf21("6","6","3","3","6","6","2","1") = "5"
    & skf21("6","6","3","3","6","6","3","1") = "5"
    & skf21("6","6","3","3","6","6","4","1") = "5"
    & skf21("6","6","3","3","6","6","5","1") = "5"
    & skf21("6","6","3","3","6","6","6","1") = "5"
    & skf21("6","6","3","3","6","6","7","1") = "6"
    & skf21("6","6","3","3","6","7","1","1") = "6"
    & skf21("6","6","3","3","6","7","2","1") = "6"
    & skf21("6","6","3","3","6","7","3","1") = "6"
    & skf21("6","6","3","3","6","7","4","1") = "6"
    & skf21("6","6","3","3","6","7","5","1") = "6"
    & skf21("6","6","3","3","6","7","6","1") = "6"
    & skf21("6","6","3","3","6","7","7","1") = "6"
    & skf21("6","6","3","3","7","1","1","1") = "6"
    & skf21("6","6","3","3","7","1","2","1") = "6"
    & skf21("6","6","3","3","7","1","3","1") = "6"
    & skf21("6","6","3","3","7","1","4","1") = "6"
    & skf21("6","6","3","3","7","1","5","1") = "6"
    & skf21("6","6","3","3","7","1","6","1") = "6"
    & skf21("6","6","3","3","7","1","7","1") = "6"
    & skf21("6","6","3","3","7","2","1","1") = "6"
    & skf21("6","6","3","3","7","2","2","1") = "6"
    & skf21("6","6","3","3","7","2","3","1") = "6"
    & skf21("6","6","3","3","7","2","4","1") = "6"
    & skf21("6","6","3","3","7","2","5","1") = "6"
    & skf21("6","6","3","3","7","2","6","1") = "6"
    & skf21("6","6","3","3","7","2","7","1") = "6"
    & skf21("6","6","3","3","7","3","1","1") = "6"
    & skf21("6","6","3","3","7","3","2","1") = "6"
    & skf21("6","6","3","3","7","3","3","1") = "6"
    & skf21("6","6","3","3","7","3","4","1") = "6"
    & skf21("6","6","3","3","7","3","5","1") = "6"
    & skf21("6","6","3","3","7","3","6","1") = "6"
    & skf21("6","6","3","3","7","3","7","1") = "6"
    & skf21("6","6","3","3","7","4","1","1") = "6"
    & skf21("6","6","3","3","7","4","2","1") = "6"
    & skf21("6","6","3","3","7","4","3","1") = "6"
    & skf21("6","6","3","3","7","4","4","1") = "6"
    & skf21("6","6","3","3","7","4","5","1") = "6"
    & skf21("6","6","3","3","7","4","6","1") = "6"
    & skf21("6","6","3","3","7","4","7","1") = "6"
    & skf21("6","6","3","3","7","5","1","1") = "6"
    & skf21("6","6","3","3","7","5","2","1") = "6"
    & skf21("6","6","3","3","7","5","3","1") = "6"
    & skf21("6","6","3","3","7","5","4","1") = "6"
    & skf21("6","6","3","3","7","5","5","1") = "6"
    & skf21("6","6","3","3","7","5","6","1") = "6"
    & skf21("6","6","3","3","7","5","7","1") = "6"
    & skf21("6","6","3","3","7","6","1","1") = "6"
    & skf21("6","6","3","3","7","6","2","1") = "6"
    & skf21("6","6","3","3","7","6","3","1") = "6"
    & skf21("6","6","3","3","7","6","4","1") = "6"
    & skf21("6","6","3","3","7","6","5","1") = "6"
    & skf21("6","6","3","3","7","6","6","1") = "6"
    & skf21("6","6","3","3","7","6","7","1") = "6"
    & skf21("6","6","3","3","7","7","1","1") = "6"
    & skf21("6","6","3","3","7","7","2","1") = "6"
    & skf21("6","6","3","3","7","7","3","1") = "6"
    & skf21("6","6","3","3","7","7","4","1") = "6"
    & skf21("6","6","3","3","7","7","5","1") = "6"
    & skf21("6","6","3","3","7","7","6","1") = "6"
    & skf21("6","6","3","3","7","7","7","1") = "6"
    & skf21("6","6","3","4","1","1","1","1") = "5"
    & skf21("6","6","3","4","1","1","2","1") = "5"
    & skf21("6","6","3","4","1","1","3","1") = "5"
    & skf21("6","6","3","4","1","1","4","1") = "5"
    & skf21("6","6","3","4","1","1","5","1") = "5"
    & skf21("6","6","3","4","1","1","6","1") = "5"
    & skf21("6","6","3","4","1","1","7","1") = "6"
    & skf21("6","6","3","4","1","2","1","1") = "5"
    & skf21("6","6","3","4","1","2","2","1") = "5"
    & skf21("6","6","3","4","1","2","3","1") = "5"
    & skf21("6","6","3","4","1","2","4","1") = "5"
    & skf21("6","6","3","4","1","2","5","1") = "5"
    & skf21("6","6","3","4","1","2","6","1") = "5"
    & skf21("6","6","3","4","1","2","7","1") = "6"
    & skf21("6","6","3","4","1","3","1","1") = "5"
    & skf21("6","6","3","4","1","3","2","1") = "5"
    & skf21("6","6","3","4","1","3","3","1") = "5"
    & skf21("6","6","3","4","1","3","4","1") = "5"
    & skf21("6","6","3","4","1","3","5","1") = "5"
    & skf21("6","6","3","4","1","3","6","1") = "5"
    & skf21("6","6","3","4","1","3","7","1") = "6"
    & skf21("6","6","3","4","1","4","1","1") = "5"
    & skf21("6","6","3","4","1","4","2","1") = "5"
    & skf21("6","6","3","4","1","4","3","1") = "5"
    & skf21("6","6","3","4","1","4","4","1") = "5"
    & skf21("6","6","3","4","1","4","5","1") = "5"
    & skf21("6","6","3","4","1","4","6","1") = "5"
    & skf21("6","6","3","4","1","4","7","1") = "6"
    & skf21("6","6","3","4","1","5","1","1") = "5"
    & skf21("6","6","3","4","1","5","2","1") = "5"
    & skf21("6","6","3","4","1","5","3","1") = "5"
    & skf21("6","6","3","4","1","5","4","1") = "5"
    & skf21("6","6","3","4","1","5","5","1") = "5"
    & skf21("6","6","3","4","1","5","6","1") = "5"
    & skf21("6","6","3","4","1","5","7","1") = "6"
    & skf21("6","6","3","4","1","6","1","1") = "5"
    & skf21("6","6","3","4","1","6","2","1") = "5"
    & skf21("6","6","3","4","1","6","3","1") = "5"
    & skf21("6","6","3","4","1","6","4","1") = "5"
    & skf21("6","6","3","4","1","6","5","1") = "5"
    & skf21("6","6","3","4","1","6","6","1") = "5"
    & skf21("6","6","3","4","1","6","7","1") = "6"
    & skf21("6","6","3","4","1","7","1","1") = "6"
    & skf21("6","6","3","4","1","7","2","1") = "6"
    & skf21("6","6","3","4","1","7","3","1") = "6"
    & skf21("6","6","3","4","1","7","4","1") = "6"
    & skf21("6","6","3","4","1","7","5","1") = "6"
    & skf21("6","6","3","4","1","7","6","1") = "6"
    & skf21("6","6","3","4","1","7","7","1") = "6"
    & skf21("6","6","3","4","2","1","1","1") = "5"
    & skf21("6","6","3","4","2","1","2","1") = "5"
    & skf21("6","6","3","4","2","1","3","1") = "5"
    & skf21("6","6","3","4","2","1","4","1") = "5"
    & skf21("6","6","3","4","2","1","5","1") = "5"
    & skf21("6","6","3","4","2","1","6","1") = "5"
    & skf21("6","6","3","4","2","1","7","1") = "6"
    & skf21("6","6","3","4","2","2","1","1") = "5"
    & skf21("6","6","3","4","2","2","2","1") = "5"
    & skf21("6","6","3","4","2","2","3","1") = "5"
    & skf21("6","6","3","4","2","2","4","1") = "5"
    & skf21("6","6","3","4","2","2","5","1") = "5"
    & skf21("6","6","3","4","2","2","6","1") = "5"
    & skf21("6","6","3","4","2","2","7","1") = "6"
    & skf21("6","6","3","4","2","3","1","1") = "5"
    & skf21("6","6","3","4","2","3","2","1") = "5"
    & skf21("6","6","3","4","2","3","3","1") = "5"
    & skf21("6","6","3","4","2","3","4","1") = "5"
    & skf21("6","6","3","4","2","3","5","1") = "5"
    & skf21("6","6","3","4","2","3","6","1") = "5"
    & skf21("6","6","3","4","2","3","7","1") = "6"
    & skf21("6","6","3","4","2","4","1","1") = "5"
    & skf21("6","6","3","4","2","4","2","1") = "5"
    & skf21("6","6","3","4","2","4","3","1") = "5"
    & skf21("6","6","3","4","2","4","4","1") = "5"
    & skf21("6","6","3","4","2","4","5","1") = "5"
    & skf21("6","6","3","4","2","4","6","1") = "5"
    & skf21("6","6","3","4","2","4","7","1") = "6"
    & skf21("6","6","3","4","2","5","1","1") = "5"
    & skf21("6","6","3","4","2","5","2","1") = "5"
    & skf21("6","6","3","4","2","5","3","1") = "5"
    & skf21("6","6","3","4","2","5","4","1") = "5"
    & skf21("6","6","3","4","2","5","5","1") = "5"
    & skf21("6","6","3","4","2","5","6","1") = "5"
    & skf21("6","6","3","4","2","5","7","1") = "6"
    & skf21("6","6","3","4","2","6","1","1") = "5"
    & skf21("6","6","3","4","2","6","2","1") = "5"
    & skf21("6","6","3","4","2","6","3","1") = "5"
    & skf21("6","6","3","4","2","6","4","1") = "5"
    & skf21("6","6","3","4","2","6","5","1") = "5"
    & skf21("6","6","3","4","2","6","6","1") = "5"
    & skf21("6","6","3","4","2","6","7","1") = "6"
    & skf21("6","6","3","4","2","7","1","1") = "6"
    & skf21("6","6","3","4","2","7","2","1") = "6"
    & skf21("6","6","3","4","2","7","3","1") = "6"
    & skf21("6","6","3","4","2","7","4","1") = "6"
    & skf21("6","6","3","4","2","7","5","1") = "6"
    & skf21("6","6","3","4","2","7","6","1") = "6"
    & skf21("6","6","3","4","2","7","7","1") = "6"
    & skf21("6","6","3","4","3","1","1","1") = "5"
    & skf21("6","6","3","4","3","1","2","1") = "5"
    & skf21("6","6","3","4","3","1","3","1") = "5"
    & skf21("6","6","3","4","3","1","4","1") = "5"
    & skf21("6","6","3","4","3","1","5","1") = "5"
    & skf21("6","6","3","4","3","1","6","1") = "5"
    & skf21("6","6","3","4","3","1","7","1") = "6"
    & skf21("6","6","3","4","3","2","1","1") = "5"
    & skf21("6","6","3","4","3","2","2","1") = "5"
    & skf21("6","6","3","4","3","2","3","1") = "5"
    & skf21("6","6","3","4","3","2","4","1") = "5"
    & skf21("6","6","3","4","3","2","5","1") = "5"
    & skf21("6","6","3","4","3","2","6","1") = "5"
    & skf21("6","6","3","4","3","2","7","1") = "6"
    & skf21("6","6","3","4","3","3","1","1") = "5"
    & skf21("6","6","3","4","3","3","2","1") = "5"
    & skf21("6","6","3","4","3","3","3","1") = "5"
    & skf21("6","6","3","4","3","3","4","1") = "5"
    & skf21("6","6","3","4","3","3","5","1") = "5"
    & skf21("6","6","3","4","3","3","6","1") = "5"
    & skf21("6","6","3","4","3","3","7","1") = "6"
    & skf21("6","6","3","4","3","4","1","1") = "5"
    & skf21("6","6","3","4","3","4","2","1") = "5"
    & skf21("6","6","3","4","3","4","3","1") = "5"
    & skf21("6","6","3","4","3","4","4","1") = "5"
    & skf21("6","6","3","4","3","4","5","1") = "5"
    & skf21("6","6","3","4","3","4","6","1") = "5"
    & skf21("6","6","3","4","3","4","7","1") = "6"
    & skf21("6","6","3","4","3","5","1","1") = "5"
    & skf21("6","6","3","4","3","5","2","1") = "5"
    & skf21("6","6","3","4","3","5","3","1") = "5"
    & skf21("6","6","3","4","3","5","4","1") = "5"
    & skf21("6","6","3","4","3","5","5","1") = "5"
    & skf21("6","6","3","4","3","5","6","1") = "5"
    & skf21("6","6","3","4","3","5","7","1") = "6"
    & skf21("6","6","3","4","3","6","1","1") = "5"
    & skf21("6","6","3","4","3","6","2","1") = "5"
    & skf21("6","6","3","4","3","6","3","1") = "5"
    & skf21("6","6","3","4","3","6","4","1") = "5"
    & skf21("6","6","3","4","3","6","5","1") = "5"
    & skf21("6","6","3","4","3","6","6","1") = "5"
    & skf21("6","6","3","4","3","6","7","1") = "6"
    & skf21("6","6","3","4","3","7","1","1") = "6"
    & skf21("6","6","3","4","3","7","2","1") = "6"
    & skf21("6","6","3","4","3","7","3","1") = "6"
    & skf21("6","6","3","4","3","7","4","1") = "6"
    & skf21("6","6","3","4","3","7","5","1") = "6"
    & skf21("6","6","3","4","3","7","6","1") = "6"
    & skf21("6","6","3","4","3","7","7","1") = "6"
    & skf21("6","6","3","4","4","1","1","1") = "5"
    & skf21("6","6","3","4","4","1","2","1") = "5"
    & skf21("6","6","3","4","4","1","3","1") = "5"
    & skf21("6","6","3","4","4","1","4","1") = "5"
    & skf21("6","6","3","4","4","1","5","1") = "5"
    & skf21("6","6","3","4","4","1","6","1") = "5"
    & skf21("6","6","3","4","4","1","7","1") = "6"
    & skf21("6","6","3","4","4","2","1","1") = "5"
    & skf21("6","6","3","4","4","2","2","1") = "5"
    & skf21("6","6","3","4","4","2","3","1") = "5"
    & skf21("6","6","3","4","4","2","4","1") = "5"
    & skf21("6","6","3","4","4","2","5","1") = "5"
    & skf21("6","6","3","4","4","2","6","1") = "5"
    & skf21("6","6","3","4","4","2","7","1") = "6"
    & skf21("6","6","3","4","4","3","1","1") = "5"
    & skf21("6","6","3","4","4","3","2","1") = "5"
    & skf21("6","6","3","4","4","3","3","1") = "5"
    & skf21("6","6","3","4","4","3","4","1") = "5"
    & skf21("6","6","3","4","4","3","5","1") = "5"
    & skf21("6","6","3","4","4","3","6","1") = "5"
    & skf21("6","6","3","4","4","3","7","1") = "6"
    & skf21("6","6","3","4","4","4","1","1") = "5"
    & skf21("6","6","3","4","4","4","2","1") = "5"
    & skf21("6","6","3","4","4","4","3","1") = "5"
    & skf21("6","6","3","4","4","4","4","1") = "5"
    & skf21("6","6","3","4","4","4","5","1") = "5"
    & skf21("6","6","3","4","4","4","6","1") = "5"
    & skf21("6","6","3","4","4","4","7","1") = "6"
    & skf21("6","6","3","4","4","5","1","1") = "5"
    & skf21("6","6","3","4","4","5","2","1") = "5"
    & skf21("6","6","3","4","4","5","3","1") = "5"
    & skf21("6","6","3","4","4","5","4","1") = "5"
    & skf21("6","6","3","4","4","5","5","1") = "5"
    & skf21("6","6","3","4","4","5","6","1") = "5"
    & skf21("6","6","3","4","4","5","7","1") = "6"
    & skf21("6","6","3","4","4","6","1","1") = "5"
    & skf21("6","6","3","4","4","6","2","1") = "5"
    & skf21("6","6","3","4","4","6","3","1") = "5"
    & skf21("6","6","3","4","4","6","4","1") = "5"
    & skf21("6","6","3","4","4","6","5","1") = "5"
    & skf21("6","6","3","4","4","6","6","1") = "5"
    & skf21("6","6","3","4","4","6","7","1") = "6"
    & skf21("6","6","3","4","4","7","1","1") = "6"
    & skf21("6","6","3","4","4","7","2","1") = "6"
    & skf21("6","6","3","4","4","7","3","1") = "6"
    & skf21("6","6","3","4","4","7","4","1") = "6"
    & skf21("6","6","3","4","4","7","5","1") = "6"
    & skf21("6","6","3","4","4","7","6","1") = "6"
    & skf21("6","6","3","4","4","7","7","1") = "6"
    & skf21("6","6","3","4","5","1","1","1") = "5"
    & skf21("6","6","3","4","5","1","2","1") = "5"
    & skf21("6","6","3","4","5","1","3","1") = "5"
    & skf21("6","6","3","4","5","1","4","1") = "5"
    & skf21("6","6","3","4","5","1","5","1") = "5"
    & skf21("6","6","3","4","5","1","6","1") = "5"
    & skf21("6","6","3","4","5","1","7","1") = "6"
    & skf21("6","6","3","4","5","2","1","1") = "5"
    & skf21("6","6","3","4","5","2","2","1") = "5"
    & skf21("6","6","3","4","5","2","3","1") = "5"
    & skf21("6","6","3","4","5","2","4","1") = "5"
    & skf21("6","6","3","4","5","2","5","1") = "5"
    & skf21("6","6","3","4","5","2","6","1") = "5"
    & skf21("6","6","3","4","5","2","7","1") = "6"
    & skf21("6","6","3","4","5","3","1","1") = "5"
    & skf21("6","6","3","4","5","3","2","1") = "5"
    & skf21("6","6","3","4","5","3","3","1") = "5"
    & skf21("6","6","3","4","5","3","4","1") = "5"
    & skf21("6","6","3","4","5","3","5","1") = "5"
    & skf21("6","6","3","4","5","3","6","1") = "5"
    & skf21("6","6","3","4","5","3","7","1") = "6"
    & skf21("6","6","3","4","5","4","1","1") = "5"
    & skf21("6","6","3","4","5","4","2","1") = "5"
    & skf21("6","6","3","4","5","4","3","1") = "5"
    & skf21("6","6","3","4","5","4","4","1") = "5"
    & skf21("6","6","3","4","5","4","5","1") = "5"
    & skf21("6","6","3","4","5","4","6","1") = "5"
    & skf21("6","6","3","4","5","4","7","1") = "6"
    & skf21("6","6","3","4","5","5","1","1") = "5"
    & skf21("6","6","3","4","5","5","2","1") = "5"
    & skf21("6","6","3","4","5","5","3","1") = "5"
    & skf21("6","6","3","4","5","5","4","1") = "5"
    & skf21("6","6","3","4","5","5","5","1") = "5"
    & skf21("6","6","3","4","5","5","6","1") = "5"
    & skf21("6","6","3","4","5","5","7","1") = "6"
    & skf21("6","6","3","4","5","6","1","1") = "5"
    & skf21("6","6","3","4","5","6","2","1") = "5"
    & skf21("6","6","3","4","5","6","3","1") = "5"
    & skf21("6","6","3","4","5","6","4","1") = "5"
    & skf21("6","6","3","4","5","6","5","1") = "5"
    & skf21("6","6","3","4","5","6","6","1") = "5"
    & skf21("6","6","3","4","5","6","7","1") = "6"
    & skf21("6","6","3","4","5","7","1","1") = "6"
    & skf21("6","6","3","4","5","7","2","1") = "6"
    & skf21("6","6","3","4","5","7","3","1") = "6"
    & skf21("6","6","3","4","5","7","4","1") = "6"
    & skf21("6","6","3","4","5","7","5","1") = "6"
    & skf21("6","6","3","4","5","7","6","1") = "6"
    & skf21("6","6","3","4","5","7","7","1") = "6"
    & skf21("6","6","3","4","6","1","1","1") = "5"
    & skf21("6","6","3","4","6","1","2","1") = "5"
    & skf21("6","6","3","4","6","1","3","1") = "5"
    & skf21("6","6","3","4","6","1","4","1") = "5"
    & skf21("6","6","3","4","6","1","5","1") = "5"
    & skf21("6","6","3","4","6","1","6","1") = "5"
    & skf21("6","6","3","4","6","1","7","1") = "6"
    & skf21("6","6","3","4","6","2","1","1") = "5"
    & skf21("6","6","3","4","6","2","2","1") = "5"
    & skf21("6","6","3","4","6","2","3","1") = "5"
    & skf21("6","6","3","4","6","2","4","1") = "5"
    & skf21("6","6","3","4","6","2","5","1") = "5"
    & skf21("6","6","3","4","6","2","6","1") = "5"
    & skf21("6","6","3","4","6","2","7","1") = "6"
    & skf21("6","6","3","4","6","3","1","1") = "5"
    & skf21("6","6","3","4","6","3","2","1") = "5"
    & skf21("6","6","3","4","6","3","3","1") = "5"
    & skf21("6","6","3","4","6","3","4","1") = "5"
    & skf21("6","6","3","4","6","3","5","1") = "5"
    & skf21("6","6","3","4","6","3","6","1") = "5"
    & skf21("6","6","3","4","6","3","7","1") = "6"
    & skf21("6","6","3","4","6","4","1","1") = "5"
    & skf21("6","6","3","4","6","4","2","1") = "5"
    & skf21("6","6","3","4","6","4","3","1") = "5"
    & skf21("6","6","3","4","6","4","4","1") = "5"
    & skf21("6","6","3","4","6","4","5","1") = "5"
    & skf21("6","6","3","4","6","4","6","1") = "5"
    & skf21("6","6","3","4","6","4","7","1") = "6"
    & skf21("6","6","3","4","6","5","1","1") = "5"
    & skf21("6","6","3","4","6","5","2","1") = "5"
    & skf21("6","6","3","4","6","5","3","1") = "5"
    & skf21("6","6","3","4","6","5","4","1") = "5"
    & skf21("6","6","3","4","6","5","5","1") = "5"
    & skf21("6","6","3","4","6","5","6","1") = "5"
    & skf21("6","6","3","4","6","5","7","1") = "6"
    & skf21("6","6","3","4","6","6","1","1") = "5"
    & skf21("6","6","3","4","6","6","2","1") = "5"
    & skf21("6","6","3","4","6","6","3","1") = "5"
    & skf21("6","6","3","4","6","6","4","1") = "5"
    & skf21("6","6","3","4","6","6","5","1") = "5"
    & skf21("6","6","3","4","6","6","6","1") = "5"
    & skf21("6","6","3","4","6","6","7","1") = "6"
    & skf21("6","6","3","4","6","7","1","1") = "6"
    & skf21("6","6","3","4","6","7","2","1") = "6"
    & skf21("6","6","3","4","6","7","3","1") = "6"
    & skf21("6","6","3","4","6","7","4","1") = "6"
    & skf21("6","6","3","4","6","7","5","1") = "6"
    & skf21("6","6","3","4","6","7","6","1") = "6"
    & skf21("6","6","3","4","6","7","7","1") = "6"
    & skf21("6","6","3","4","7","1","1","1") = "6"
    & skf21("6","6","3","4","7","1","2","1") = "6"
    & skf21("6","6","3","4","7","1","3","1") = "6"
    & skf21("6","6","3","4","7","1","4","1") = "6"
    & skf21("6","6","3","4","7","1","5","1") = "6"
    & skf21("6","6","3","4","7","1","6","1") = "6"
    & skf21("6","6","3","4","7","1","7","1") = "6"
    & skf21("6","6","3","4","7","2","1","1") = "6"
    & skf21("6","6","3","4","7","2","2","1") = "6"
    & skf21("6","6","3","4","7","2","3","1") = "6"
    & skf21("6","6","3","4","7","2","4","1") = "6"
    & skf21("6","6","3","4","7","2","5","1") = "6"
    & skf21("6","6","3","4","7","2","6","1") = "6"
    & skf21("6","6","3","4","7","2","7","1") = "6"
    & skf21("6","6","3","4","7","3","1","1") = "6"
    & skf21("6","6","3","4","7","3","2","1") = "6"
    & skf21("6","6","3","4","7","3","3","1") = "6"
    & skf21("6","6","3","4","7","3","4","1") = "6"
    & skf21("6","6","3","4","7","3","5","1") = "6"
    & skf21("6","6","3","4","7","3","6","1") = "6"
    & skf21("6","6","3","4","7","3","7","1") = "6"
    & skf21("6","6","3","4","7","4","1","1") = "6"
    & skf21("6","6","3","4","7","4","2","1") = "6"
    & skf21("6","6","3","4","7","4","3","1") = "6"
    & skf21("6","6","3","4","7","4","4","1") = "6"
    & skf21("6","6","3","4","7","4","5","1") = "6"
    & skf21("6","6","3","4","7","4","6","1") = "6"
    & skf21("6","6","3","4","7","4","7","1") = "6"
    & skf21("6","6","3","4","7","5","1","1") = "6"
    & skf21("6","6","3","4","7","5","2","1") = "6"
    & skf21("6","6","3","4","7","5","3","1") = "6"
    & skf21("6","6","3","4","7","5","4","1") = "6"
    & skf21("6","6","3","4","7","5","5","1") = "6"
    & skf21("6","6","3","4","7","5","6","1") = "6"
    & skf21("6","6","3","4","7","5","7","1") = "6"
    & skf21("6","6","3","4","7","6","1","1") = "6"
    & skf21("6","6","3","4","7","6","2","1") = "6"
    & skf21("6","6","3","4","7","6","3","1") = "6"
    & skf21("6","6","3","4","7","6","4","1") = "6"
    & skf21("6","6","3","4","7","6","5","1") = "6"
    & skf21("6","6","3","4","7","6","6","1") = "6"
    & skf21("6","6","3","4","7","6","7","1") = "6"
    & skf21("6","6","3","4","7","7","1","1") = "6"
    & skf21("6","6","3","4","7","7","2","1") = "6"
    & skf21("6","6","3","4","7","7","3","1") = "6"
    & skf21("6","6","3","4","7","7","4","1") = "6"
    & skf21("6","6","3","4","7","7","5","1") = "6"
    & skf21("6","6","3","4","7","7","6","1") = "6"
    & skf21("6","6","3","4","7","7","7","1") = "6"
    & skf21("6","6","3","5","1","1","1","1") = "5"
    & skf21("6","6","3","5","1","1","2","1") = "5"
    & skf21("6","6","3","5","1","1","3","1") = "5"
    & skf21("6","6","3","5","1","1","4","1") = "5"
    & skf21("6","6","3","5","1","1","5","1") = "5"
    & skf21("6","6","3","5","1","1","6","1") = "5"
    & skf21("6","6","3","5","1","1","7","1") = "6"
    & skf21("6","6","3","5","1","2","1","1") = "5"
    & skf21("6","6","3","5","1","2","2","1") = "5"
    & skf21("6","6","3","5","1","2","3","1") = "5"
    & skf21("6","6","3","5","1","2","4","1") = "5"
    & skf21("6","6","3","5","1","2","5","1") = "5"
    & skf21("6","6","3","5","1","2","6","1") = "5"
    & skf21("6","6","3","5","1","2","7","1") = "6"
    & skf21("6","6","3","5","1","3","1","1") = "5"
    & skf21("6","6","3","5","1","3","2","1") = "5"
    & skf21("6","6","3","5","1","3","3","1") = "5"
    & skf21("6","6","3","5","1","3","4","1") = "5"
    & skf21("6","6","3","5","1","3","5","1") = "5"
    & skf21("6","6","3","5","1","3","6","1") = "5"
    & skf21("6","6","3","5","1","3","7","1") = "6"
    & skf21("6","6","3","5","1","4","1","1") = "5"
    & skf21("6","6","3","5","1","4","2","1") = "5"
    & skf21("6","6","3","5","1","4","3","1") = "5"
    & skf21("6","6","3","5","1","4","4","1") = "5"
    & skf21("6","6","3","5","1","4","5","1") = "5"
    & skf21("6","6","3","5","1","4","6","1") = "5"
    & skf21("6","6","3","5","1","4","7","1") = "6"
    & skf21("6","6","3","5","1","5","1","1") = "5"
    & skf21("6","6","3","5","1","5","2","1") = "5"
    & skf21("6","6","3","5","1","5","3","1") = "5"
    & skf21("6","6","3","5","1","5","4","1") = "5"
    & skf21("6","6","3","5","1","5","5","1") = "5"
    & skf21("6","6","3","5","1","5","6","1") = "5"
    & skf21("6","6","3","5","1","5","7","1") = "6"
    & skf21("6","6","3","5","1","6","1","1") = "5"
    & skf21("6","6","3","5","1","6","2","1") = "5"
    & skf21("6","6","3","5","1","6","3","1") = "5"
    & skf21("6","6","3","5","1","6","4","1") = "5"
    & skf21("6","6","3","5","1","6","5","1") = "5"
    & skf21("6","6","3","5","1","6","6","1") = "5"
    & skf21("6","6","3","5","1","6","7","1") = "6"
    & skf21("6","6","3","5","1","7","1","1") = "6"
    & skf21("6","6","3","5","1","7","2","1") = "6"
    & skf21("6","6","3","5","1","7","3","1") = "6"
    & skf21("6","6","3","5","1","7","4","1") = "6"
    & skf21("6","6","3","5","1","7","5","1") = "6"
    & skf21("6","6","3","5","1","7","6","1") = "6"
    & skf21("6","6","3","5","1","7","7","1") = "6"
    & skf21("6","6","3","5","2","1","1","1") = "5"
    & skf21("6","6","3","5","2","1","2","1") = "5"
    & skf21("6","6","3","5","2","1","3","1") = "5"
    & skf21("6","6","3","5","2","1","4","1") = "5"
    & skf21("6","6","3","5","2","1","5","1") = "5"
    & skf21("6","6","3","5","2","1","6","1") = "5"
    & skf21("6","6","3","5","2","1","7","1") = "6"
    & skf21("6","6","3","5","2","2","1","1") = "5"
    & skf21("6","6","3","5","2","2","2","1") = "5"
    & skf21("6","6","3","5","2","2","3","1") = "5"
    & skf21("6","6","3","5","2","2","4","1") = "5"
    & skf21("6","6","3","5","2","2","5","1") = "5"
    & skf21("6","6","3","5","2","2","6","1") = "5"
    & skf21("6","6","3","5","2","2","7","1") = "6"
    & skf21("6","6","3","5","2","3","1","1") = "5"
    & skf21("6","6","3","5","2","3","2","1") = "5"
    & skf21("6","6","3","5","2","3","3","1") = "5"
    & skf21("6","6","3","5","2","3","4","1") = "5"
    & skf21("6","6","3","5","2","3","5","1") = "5"
    & skf21("6","6","3","5","2","3","6","1") = "5"
    & skf21("6","6","3","5","2","3","7","1") = "6"
    & skf21("6","6","3","5","2","4","1","1") = "5"
    & skf21("6","6","3","5","2","4","2","1") = "5"
    & skf21("6","6","3","5","2","4","3","1") = "5"
    & skf21("6","6","3","5","2","4","4","1") = "5"
    & skf21("6","6","3","5","2","4","5","1") = "5"
    & skf21("6","6","3","5","2","4","6","1") = "5"
    & skf21("6","6","3","5","2","4","7","1") = "6"
    & skf21("6","6","3","5","2","5","1","1") = "5"
    & skf21("6","6","3","5","2","5","2","1") = "5"
    & skf21("6","6","3","5","2","5","3","1") = "5"
    & skf21("6","6","3","5","2","5","4","1") = "5"
    & skf21("6","6","3","5","2","5","5","1") = "5"
    & skf21("6","6","3","5","2","5","6","1") = "5"
    & skf21("6","6","3","5","2","5","7","1") = "6"
    & skf21("6","6","3","5","2","6","1","1") = "5"
    & skf21("6","6","3","5","2","6","2","1") = "5"
    & skf21("6","6","3","5","2","6","3","1") = "5"
    & skf21("6","6","3","5","2","6","4","1") = "5"
    & skf21("6","6","3","5","2","6","5","1") = "5"
    & skf21("6","6","3","5","2","6","6","1") = "5"
    & skf21("6","6","3","5","2","6","7","1") = "6"
    & skf21("6","6","3","5","2","7","1","1") = "6"
    & skf21("6","6","3","5","2","7","2","1") = "6"
    & skf21("6","6","3","5","2","7","3","1") = "6"
    & skf21("6","6","3","5","2","7","4","1") = "6"
    & skf21("6","6","3","5","2","7","5","1") = "6"
    & skf21("6","6","3","5","2","7","6","1") = "6"
    & skf21("6","6","3","5","2","7","7","1") = "6"
    & skf21("6","6","3","5","3","1","1","1") = "5"
    & skf21("6","6","3","5","3","1","2","1") = "5"
    & skf21("6","6","3","5","3","1","3","1") = "5"
    & skf21("6","6","3","5","3","1","4","1") = "5"
    & skf21("6","6","3","5","3","1","5","1") = "5"
    & skf21("6","6","3","5","3","1","6","1") = "5"
    & skf21("6","6","3","5","3","1","7","1") = "6"
    & skf21("6","6","3","5","3","2","1","1") = "5"
    & skf21("6","6","3","5","3","2","2","1") = "5"
    & skf21("6","6","3","5","3","2","3","1") = "5"
    & skf21("6","6","3","5","3","2","4","1") = "5"
    & skf21("6","6","3","5","3","2","5","1") = "5"
    & skf21("6","6","3","5","3","2","6","1") = "5"
    & skf21("6","6","3","5","3","2","7","1") = "6"
    & skf21("6","6","3","5","3","3","1","1") = "5"
    & skf21("6","6","3","5","3","3","2","1") = "5"
    & skf21("6","6","3","5","3","3","3","1") = "5"
    & skf21("6","6","3","5","3","3","4","1") = "5"
    & skf21("6","6","3","5","3","3","5","1") = "5"
    & skf21("6","6","3","5","3","3","6","1") = "5"
    & skf21("6","6","3","5","3","3","7","1") = "6"
    & skf21("6","6","3","5","3","4","1","1") = "5"
    & skf21("6","6","3","5","3","4","2","1") = "5"
    & skf21("6","6","3","5","3","4","3","1") = "5"
    & skf21("6","6","3","5","3","4","4","1") = "5"
    & skf21("6","6","3","5","3","4","5","1") = "5"
    & skf21("6","6","3","5","3","4","6","1") = "5"
    & skf21("6","6","3","5","3","4","7","1") = "6"
    & skf21("6","6","3","5","3","5","1","1") = "5"
    & skf21("6","6","3","5","3","5","2","1") = "5"
    & skf21("6","6","3","5","3","5","3","1") = "5"
    & skf21("6","6","3","5","3","5","4","1") = "5"
    & skf21("6","6","3","5","3","5","5","1") = "5"
    & skf21("6","6","3","5","3","5","6","1") = "5"
    & skf21("6","6","3","5","3","5","7","1") = "6"
    & skf21("6","6","3","5","3","6","1","1") = "5"
    & skf21("6","6","3","5","3","6","2","1") = "5"
    & skf21("6","6","3","5","3","6","3","1") = "5"
    & skf21("6","6","3","5","3","6","4","1") = "5"
    & skf21("6","6","3","5","3","6","5","1") = "5"
    & skf21("6","6","3","5","3","6","6","1") = "5"
    & skf21("6","6","3","5","3","6","7","1") = "6"
    & skf21("6","6","3","5","3","7","1","1") = "6"
    & skf21("6","6","3","5","3","7","2","1") = "6"
    & skf21("6","6","3","5","3","7","3","1") = "6"
    & skf21("6","6","3","5","3","7","4","1") = "6"
    & skf21("6","6","3","5","3","7","5","1") = "6"
    & skf21("6","6","3","5","3","7","6","1") = "6"
    & skf21("6","6","3","5","3","7","7","1") = "6"
    & skf21("6","6","3","5","4","1","1","1") = "5"
    & skf21("6","6","3","5","4","1","2","1") = "5"
    & skf21("6","6","3","5","4","1","3","1") = "5"
    & skf21("6","6","3","5","4","1","4","1") = "5"
    & skf21("6","6","3","5","4","1","5","1") = "5"
    & skf21("6","6","3","5","4","1","6","1") = "5"
    & skf21("6","6","3","5","4","1","7","1") = "6"
    & skf21("6","6","3","5","4","2","1","1") = "5"
    & skf21("6","6","3","5","4","2","2","1") = "5"
    & skf21("6","6","3","5","4","2","3","1") = "5"
    & skf21("6","6","3","5","4","2","4","1") = "5"
    & skf21("6","6","3","5","4","2","5","1") = "5"
    & skf21("6","6","3","5","4","2","6","1") = "5"
    & skf21("6","6","3","5","4","2","7","1") = "6"
    & skf21("6","6","3","5","4","3","1","1") = "5"
    & skf21("6","6","3","5","4","3","2","1") = "5"
    & skf21("6","6","3","5","4","3","3","1") = "5"
    & skf21("6","6","3","5","4","3","4","1") = "5"
    & skf21("6","6","3","5","4","3","5","1") = "5"
    & skf21("6","6","3","5","4","3","6","1") = "5"
    & skf21("6","6","3","5","4","3","7","1") = "6"
    & skf21("6","6","3","5","4","4","1","1") = "5"
    & skf21("6","6","3","5","4","4","2","1") = "5"
    & skf21("6","6","3","5","4","4","3","1") = "5"
    & skf21("6","6","3","5","4","4","4","1") = "5"
    & skf21("6","6","3","5","4","4","5","1") = "5"
    & skf21("6","6","3","5","4","4","6","1") = "5"
    & skf21("6","6","3","5","4","4","7","1") = "6"
    & skf21("6","6","3","5","4","5","1","1") = "5"
    & skf21("6","6","3","5","4","5","2","1") = "5"
    & skf21("6","6","3","5","4","5","3","1") = "5"
    & skf21("6","6","3","5","4","5","4","1") = "5"
    & skf21("6","6","3","5","4","5","5","1") = "5"
    & skf21("6","6","3","5","4","5","6","1") = "5"
    & skf21("6","6","3","5","4","5","7","1") = "6"
    & skf21("6","6","3","5","4","6","1","1") = "5"
    & skf21("6","6","3","5","4","6","2","1") = "5"
    & skf21("6","6","3","5","4","6","3","1") = "5"
    & skf21("6","6","3","5","4","6","4","1") = "5"
    & skf21("6","6","3","5","4","6","5","1") = "5"
    & skf21("6","6","3","5","4","6","6","1") = "5"
    & skf21("6","6","3","5","4","6","7","1") = "6"
    & skf21("6","6","3","5","4","7","1","1") = "6"
    & skf21("6","6","3","5","4","7","2","1") = "6"
    & skf21("6","6","3","5","4","7","3","1") = "6"
    & skf21("6","6","3","5","4","7","4","1") = "6"
    & skf21("6","6","3","5","4","7","5","1") = "6"
    & skf21("6","6","3","5","4","7","6","1") = "6"
    & skf21("6","6","3","5","4","7","7","1") = "6"
    & skf21("6","6","3","5","5","1","1","1") = "5"
    & skf21("6","6","3","5","5","1","2","1") = "5"
    & skf21("6","6","3","5","5","1","3","1") = "5"
    & skf21("6","6","3","5","5","1","4","1") = "5"
    & skf21("6","6","3","5","5","1","5","1") = "5"
    & skf21("6","6","3","5","5","1","6","1") = "5"
    & skf21("6","6","3","5","5","1","7","1") = "6"
    & skf21("6","6","3","5","5","2","1","1") = "5"
    & skf21("6","6","3","5","5","2","2","1") = "5"
    & skf21("6","6","3","5","5","2","3","1") = "5"
    & skf21("6","6","3","5","5","2","4","1") = "5"
    & skf21("6","6","3","5","5","2","5","1") = "5"
    & skf21("6","6","3","5","5","2","6","1") = "5"
    & skf21("6","6","3","5","5","2","7","1") = "6"
    & skf21("6","6","3","5","5","3","1","1") = "5"
    & skf21("6","6","3","5","5","3","2","1") = "5"
    & skf21("6","6","3","5","5","3","3","1") = "5"
    & skf21("6","6","3","5","5","3","4","1") = "5"
    & skf21("6","6","3","5","5","3","5","1") = "5"
    & skf21("6","6","3","5","5","3","6","1") = "5"
    & skf21("6","6","3","5","5","3","7","1") = "6"
    & skf21("6","6","3","5","5","4","1","1") = "5"
    & skf21("6","6","3","5","5","4","2","1") = "5"
    & skf21("6","6","3","5","5","4","3","1") = "5"
    & skf21("6","6","3","5","5","4","4","1") = "5"
    & skf21("6","6","3","5","5","4","5","1") = "5"
    & skf21("6","6","3","5","5","4","6","1") = "5"
    & skf21("6","6","3","5","5","4","7","1") = "6"
    & skf21("6","6","3","5","5","5","1","1") = "5"
    & skf21("6","6","3","5","5","5","2","1") = "5"
    & skf21("6","6","3","5","5","5","3","1") = "5"
    & skf21("6","6","3","5","5","5","4","1") = "5"
    & skf21("6","6","3","5","5","5","5","1") = "5"
    & skf21("6","6","3","5","5","5","6","1") = "5"
    & skf21("6","6","3","5","5","5","7","1") = "6"
    & skf21("6","6","3","5","5","6","1","1") = "5"
    & skf21("6","6","3","5","5","6","2","1") = "5"
    & skf21("6","6","3","5","5","6","3","1") = "5"
    & skf21("6","6","3","5","5","6","4","1") = "5"
    & skf21("6","6","3","5","5","6","5","1") = "5"
    & skf21("6","6","3","5","5","6","6","1") = "5"
    & skf21("6","6","3","5","5","6","7","1") = "6"
    & skf21("6","6","3","5","5","7","1","1") = "6"
    & skf21("6","6","3","5","5","7","2","1") = "6"
    & skf21("6","6","3","5","5","7","3","1") = "6"
    & skf21("6","6","3","5","5","7","4","1") = "6"
    & skf21("6","6","3","5","5","7","5","1") = "6"
    & skf21("6","6","3","5","5","7","6","1") = "6"
    & skf21("6","6","3","5","5","7","7","1") = "6"
    & skf21("6","6","3","5","6","1","1","1") = "5"
    & skf21("6","6","3","5","6","1","2","1") = "5"
    & skf21("6","6","3","5","6","1","3","1") = "5"
    & skf21("6","6","3","5","6","1","4","1") = "5"
    & skf21("6","6","3","5","6","1","5","1") = "5"
    & skf21("6","6","3","5","6","1","6","1") = "5"
    & skf21("6","6","3","5","6","1","7","1") = "6"
    & skf21("6","6","3","5","6","2","1","1") = "5"
    & skf21("6","6","3","5","6","2","2","1") = "5"
    & skf21("6","6","3","5","6","2","3","1") = "5"
    & skf21("6","6","3","5","6","2","4","1") = "5"
    & skf21("6","6","3","5","6","2","5","1") = "5"
    & skf21("6","6","3","5","6","2","6","1") = "5"
    & skf21("6","6","3","5","6","2","7","1") = "6"
    & skf21("6","6","3","5","6","3","1","1") = "5"
    & skf21("6","6","3","5","6","3","2","1") = "5"
    & skf21("6","6","3","5","6","3","3","1") = "5"
    & skf21("6","6","3","5","6","3","4","1") = "5"
    & skf21("6","6","3","5","6","3","5","1") = "5"
    & skf21("6","6","3","5","6","3","6","1") = "5"
    & skf21("6","6","3","5","6","3","7","1") = "6"
    & skf21("6","6","3","5","6","4","1","1") = "5"
    & skf21("6","6","3","5","6","4","2","1") = "5"
    & skf21("6","6","3","5","6","4","3","1") = "5"
    & skf21("6","6","3","5","6","4","4","1") = "5"
    & skf21("6","6","3","5","6","4","5","1") = "5"
    & skf21("6","6","3","5","6","4","6","1") = "5"
    & skf21("6","6","3","5","6","4","7","1") = "6"
    & skf21("6","6","3","5","6","5","1","1") = "5"
    & skf21("6","6","3","5","6","5","2","1") = "5"
    & skf21("6","6","3","5","6","5","3","1") = "5"
    & skf21("6","6","3","5","6","5","4","1") = "5"
    & skf21("6","6","3","5","6","5","5","1") = "5"
    & skf21("6","6","3","5","6","5","6","1") = "5"
    & skf21("6","6","3","5","6","5","7","1") = "6"
    & skf21("6","6","3","5","6","6","1","1") = "5"
    & skf21("6","6","3","5","6","6","2","1") = "5"
    & skf21("6","6","3","5","6","6","3","1") = "5"
    & skf21("6","6","3","5","6","6","4","1") = "5"
    & skf21("6","6","3","5","6","6","5","1") = "5"
    & skf21("6","6","3","5","6","6","6","1") = "5"
    & skf21("6","6","3","5","6","6","7","1") = "6"
    & skf21("6","6","3","5","6","7","1","1") = "6"
    & skf21("6","6","3","5","6","7","2","1") = "6"
    & skf21("6","6","3","5","6","7","3","1") = "6"
    & skf21("6","6","3","5","6","7","4","1") = "6"
    & skf21("6","6","3","5","6","7","5","1") = "6"
    & skf21("6","6","3","5","6","7","6","1") = "6"
    & skf21("6","6","3","5","6","7","7","1") = "6"
    & skf21("6","6","3","5","7","1","1","1") = "6"
    & skf21("6","6","3","5","7","1","2","1") = "6"
    & skf21("6","6","3","5","7","1","3","1") = "6"
    & skf21("6","6","3","5","7","1","4","1") = "6"
    & skf21("6","6","3","5","7","1","5","1") = "6"
    & skf21("6","6","3","5","7","1","6","1") = "6"
    & skf21("6","6","3","5","7","1","7","1") = "6"
    & skf21("6","6","3","5","7","2","1","1") = "6"
    & skf21("6","6","3","5","7","2","2","1") = "6"
    & skf21("6","6","3","5","7","2","3","1") = "6"
    & skf21("6","6","3","5","7","2","4","1") = "6"
    & skf21("6","6","3","5","7","2","5","1") = "6"
    & skf21("6","6","3","5","7","2","6","1") = "6"
    & skf21("6","6","3","5","7","2","7","1") = "6"
    & skf21("6","6","3","5","7","3","1","1") = "6"
    & skf21("6","6","3","5","7","3","2","1") = "6"
    & skf21("6","6","3","5","7","3","3","1") = "6"
    & skf21("6","6","3","5","7","3","4","1") = "6"
    & skf21("6","6","3","5","7","3","5","1") = "6"
    & skf21("6","6","3","5","7","3","6","1") = "6"
    & skf21("6","6","3","5","7","3","7","1") = "6"
    & skf21("6","6","3","5","7","4","1","1") = "6"
    & skf21("6","6","3","5","7","4","2","1") = "6"
    & skf21("6","6","3","5","7","4","3","1") = "6"
    & skf21("6","6","3","5","7","4","4","1") = "6"
    & skf21("6","6","3","5","7","4","5","1") = "6"
    & skf21("6","6","3","5","7","4","6","1") = "6"
    & skf21("6","6","3","5","7","4","7","1") = "6"
    & skf21("6","6","3","5","7","5","1","1") = "6"
    & skf21("6","6","3","5","7","5","2","1") = "6"
    & skf21("6","6","3","5","7","5","3","1") = "6"
    & skf21("6","6","3","5","7","5","4","1") = "6"
    & skf21("6","6","3","5","7","5","5","1") = "6"
    & skf21("6","6","3","5","7","5","6","1") = "6"
    & skf21("6","6","3","5","7","5","7","1") = "6"
    & skf21("6","6","3","5","7","6","1","1") = "6"
    & skf21("6","6","3","5","7","6","2","1") = "6"
    & skf21("6","6","3","5","7","6","3","1") = "6"
    & skf21("6","6","3","5","7","6","4","1") = "6"
    & skf21("6","6","3","5","7","6","5","1") = "6"
    & skf21("6","6","3","5","7","6","6","1") = "6"
    & skf21("6","6","3","5","7","6","7","1") = "6"
    & skf21("6","6","3","5","7","7","1","1") = "6"
    & skf21("6","6","3","5","7","7","2","1") = "6"
    & skf21("6","6","3","5","7","7","3","1") = "6"
    & skf21("6","6","3","5","7","7","4","1") = "6"
    & skf21("6","6","3","5","7","7","5","1") = "6"
    & skf21("6","6","3","5","7","7","6","1") = "6"
    & skf21("6","6","3","5","7","7","7","1") = "6"
    & skf21("6","6","3","6","1","1","1","1") = "5"
    & skf21("6","6","3","6","1","1","2","1") = "5"
    & skf21("6","6","3","6","1","1","3","1") = "5"
    & skf21("6","6","3","6","1","1","4","1") = "5"
    & skf21("6","6","3","6","1","1","5","1") = "5"
    & skf21("6","6","3","6","1","1","6","1") = "5"
    & skf21("6","6","3","6","1","1","7","1") = "6"
    & skf21("6","6","3","6","1","2","1","1") = "5"
    & skf21("6","6","3","6","1","2","2","1") = "5"
    & skf21("6","6","3","6","1","2","3","1") = "5"
    & skf21("6","6","3","6","1","2","4","1") = "5"
    & skf21("6","6","3","6","1","2","5","1") = "5"
    & skf21("6","6","3","6","1","2","6","1") = "5"
    & skf21("6","6","3","6","1","2","7","1") = "6"
    & skf21("6","6","3","6","1","3","1","1") = "5"
    & skf21("6","6","3","6","1","3","2","1") = "5"
    & skf21("6","6","3","6","1","3","3","1") = "5"
    & skf21("6","6","3","6","1","3","4","1") = "5"
    & skf21("6","6","3","6","1","3","5","1") = "5"
    & skf21("6","6","3","6","1","3","6","1") = "5"
    & skf21("6","6","3","6","1","3","7","1") = "6"
    & skf21("6","6","3","6","1","4","1","1") = "5"
    & skf21("6","6","3","6","1","4","2","1") = "5"
    & skf21("6","6","3","6","1","4","3","1") = "5"
    & skf21("6","6","3","6","1","4","4","1") = "5"
    & skf21("6","6","3","6","1","4","5","1") = "5"
    & skf21("6","6","3","6","1","4","6","1") = "5"
    & skf21("6","6","3","6","1","4","7","1") = "6"
    & skf21("6","6","3","6","1","5","1","1") = "5"
    & skf21("6","6","3","6","1","5","2","1") = "5"
    & skf21("6","6","3","6","1","5","3","1") = "5"
    & skf21("6","6","3","6","1","5","4","1") = "5"
    & skf21("6","6","3","6","1","5","5","1") = "5"
    & skf21("6","6","3","6","1","5","6","1") = "5"
    & skf21("6","6","3","6","1","5","7","1") = "6"
    & skf21("6","6","3","6","1","6","1","1") = "5"
    & skf21("6","6","3","6","1","6","2","1") = "5"
    & skf21("6","6","3","6","1","6","3","1") = "5"
    & skf21("6","6","3","6","1","6","4","1") = "5"
    & skf21("6","6","3","6","1","6","5","1") = "5"
    & skf21("6","6","3","6","1","6","6","1") = "5"
    & skf21("6","6","3","6","1","6","7","1") = "6"
    & skf21("6","6","3","6","1","7","1","1") = "6"
    & skf21("6","6","3","6","1","7","2","1") = "6"
    & skf21("6","6","3","6","1","7","3","1") = "6"
    & skf21("6","6","3","6","1","7","4","1") = "6"
    & skf21("6","6","3","6","1","7","5","1") = "6"
    & skf21("6","6","3","6","1","7","6","1") = "6"
    & skf21("6","6","3","6","1","7","7","1") = "6"
    & skf21("6","6","3","6","2","1","1","1") = "5"
    & skf21("6","6","3","6","2","1","2","1") = "5"
    & skf21("6","6","3","6","2","1","3","1") = "5"
    & skf21("6","6","3","6","2","1","4","1") = "5"
    & skf21("6","6","3","6","2","1","5","1") = "5"
    & skf21("6","6","3","6","2","1","6","1") = "5"
    & skf21("6","6","3","6","2","1","7","1") = "6"
    & skf21("6","6","3","6","2","2","1","1") = "5"
    & skf21("6","6","3","6","2","2","2","1") = "5"
    & skf21("6","6","3","6","2","2","3","1") = "5"
    & skf21("6","6","3","6","2","2","4","1") = "5"
    & skf21("6","6","3","6","2","2","5","1") = "5"
    & skf21("6","6","3","6","2","2","6","1") = "5"
    & skf21("6","6","3","6","2","2","7","1") = "6"
    & skf21("6","6","3","6","2","3","1","1") = "5"
    & skf21("6","6","3","6","2","3","2","1") = "5"
    & skf21("6","6","3","6","2","3","3","1") = "5"
    & skf21("6","6","3","6","2","3","4","1") = "5"
    & skf21("6","6","3","6","2","3","5","1") = "5"
    & skf21("6","6","3","6","2","3","6","1") = "5"
    & skf21("6","6","3","6","2","3","7","1") = "6"
    & skf21("6","6","3","6","2","4","1","1") = "5"
    & skf21("6","6","3","6","2","4","2","1") = "5"
    & skf21("6","6","3","6","2","4","3","1") = "5"
    & skf21("6","6","3","6","2","4","4","1") = "5"
    & skf21("6","6","3","6","2","4","5","1") = "5"
    & skf21("6","6","3","6","2","4","6","1") = "5"
    & skf21("6","6","3","6","2","4","7","1") = "6"
    & skf21("6","6","3","6","2","5","1","1") = "5"
    & skf21("6","6","3","6","2","5","2","1") = "5"
    & skf21("6","6","3","6","2","5","3","1") = "5"
    & skf21("6","6","3","6","2","5","4","1") = "5"
    & skf21("6","6","3","6","2","5","5","1") = "5"
    & skf21("6","6","3","6","2","5","6","1") = "5"
    & skf21("6","6","3","6","2","5","7","1") = "6"
    & skf21("6","6","3","6","2","6","1","1") = "5"
    & skf21("6","6","3","6","2","6","2","1") = "5"
    & skf21("6","6","3","6","2","6","3","1") = "5"
    & skf21("6","6","3","6","2","6","4","1") = "5"
    & skf21("6","6","3","6","2","6","5","1") = "5"
    & skf21("6","6","3","6","2","6","6","1") = "5"
    & skf21("6","6","3","6","2","6","7","1") = "6"
    & skf21("6","6","3","6","2","7","1","1") = "6"
    & skf21("6","6","3","6","2","7","2","1") = "6"
    & skf21("6","6","3","6","2","7","3","1") = "6"
    & skf21("6","6","3","6","2","7","4","1") = "6"
    & skf21("6","6","3","6","2","7","5","1") = "6"
    & skf21("6","6","3","6","2","7","6","1") = "6"
    & skf21("6","6","3","6","2","7","7","1") = "6"
    & skf21("6","6","3","6","3","1","1","1") = "5"
    & skf21("6","6","3","6","3","1","2","1") = "5"
    & skf21("6","6","3","6","3","1","3","1") = "5"
    & skf21("6","6","3","6","3","1","4","1") = "5"
    & skf21("6","6","3","6","3","1","5","1") = "5"
    & skf21("6","6","3","6","3","1","6","1") = "5"
    & skf21("6","6","3","6","3","1","7","1") = "6"
    & skf21("6","6","3","6","3","2","1","1") = "5"
    & skf21("6","6","3","6","3","2","2","1") = "5"
    & skf21("6","6","3","6","3","2","3","1") = "5"
    & skf21("6","6","3","6","3","2","4","1") = "5"
    & skf21("6","6","3","6","3","2","5","1") = "5"
    & skf21("6","6","3","6","3","2","6","1") = "5"
    & skf21("6","6","3","6","3","2","7","1") = "6"
    & skf21("6","6","3","6","3","3","1","1") = "5"
    & skf21("6","6","3","6","3","3","2","1") = "5"
    & skf21("6","6","3","6","3","3","3","1") = "5"
    & skf21("6","6","3","6","3","3","4","1") = "5"
    & skf21("6","6","3","6","3","3","5","1") = "5"
    & skf21("6","6","3","6","3","3","6","1") = "5"
    & skf21("6","6","3","6","3","3","7","1") = "6"
    & skf21("6","6","3","6","3","4","1","1") = "5"
    & skf21("6","6","3","6","3","4","2","1") = "5"
    & skf21("6","6","3","6","3","4","3","1") = "5"
    & skf21("6","6","3","6","3","4","4","1") = "5"
    & skf21("6","6","3","6","3","4","5","1") = "5"
    & skf21("6","6","3","6","3","4","6","1") = "5"
    & skf21("6","6","3","6","3","4","7","1") = "6"
    & skf21("6","6","3","6","3","5","1","1") = "5"
    & skf21("6","6","3","6","3","5","2","1") = "5"
    & skf21("6","6","3","6","3","5","3","1") = "5"
    & skf21("6","6","3","6","3","5","4","1") = "5"
    & skf21("6","6","3","6","3","5","5","1") = "5"
    & skf21("6","6","3","6","3","5","6","1") = "5"
    & skf21("6","6","3","6","3","5","7","1") = "6"
    & skf21("6","6","3","6","3","6","1","1") = "5"
    & skf21("6","6","3","6","3","6","2","1") = "5"
    & skf21("6","6","3","6","3","6","3","1") = "5"
    & skf21("6","6","3","6","3","6","4","1") = "5"
    & skf21("6","6","3","6","3","6","5","1") = "5"
    & skf21("6","6","3","6","3","6","6","1") = "5"
    & skf21("6","6","3","6","3","6","7","1") = "6"
    & skf21("6","6","3","6","3","7","1","1") = "6"
    & skf21("6","6","3","6","3","7","2","1") = "6"
    & skf21("6","6","3","6","3","7","3","1") = "6"
    & skf21("6","6","3","6","3","7","4","1") = "6"
    & skf21("6","6","3","6","3","7","5","1") = "6"
    & skf21("6","6","3","6","3","7","6","1") = "6"
    & skf21("6","6","3","6","3","7","7","1") = "6"
    & skf21("6","6","3","6","4","1","1","1") = "5"
    & skf21("6","6","3","6","4","1","2","1") = "5"
    & skf21("6","6","3","6","4","1","3","1") = "5"
    & skf21("6","6","3","6","4","1","4","1") = "5"
    & skf21("6","6","3","6","4","1","5","1") = "5"
    & skf21("6","6","3","6","4","1","6","1") = "5"
    & skf21("6","6","3","6","4","1","7","1") = "6"
    & skf21("6","6","3","6","4","2","1","1") = "5"
    & skf21("6","6","3","6","4","2","2","1") = "5"
    & skf21("6","6","3","6","4","2","3","1") = "5"
    & skf21("6","6","3","6","4","2","4","1") = "5"
    & skf21("6","6","3","6","4","2","5","1") = "5"
    & skf21("6","6","3","6","4","2","6","1") = "5"
    & skf21("6","6","3","6","4","2","7","1") = "6"
    & skf21("6","6","3","6","4","3","1","1") = "5"
    & skf21("6","6","3","6","4","3","2","1") = "5"
    & skf21("6","6","3","6","4","3","3","1") = "5"
    & skf21("6","6","3","6","4","3","4","1") = "5"
    & skf21("6","6","3","6","4","3","5","1") = "5"
    & skf21("6","6","3","6","4","3","6","1") = "5"
    & skf21("6","6","3","6","4","3","7","1") = "6"
    & skf21("6","6","3","6","4","4","1","1") = "5"
    & skf21("6","6","3","6","4","4","2","1") = "5"
    & skf21("6","6","3","6","4","4","3","1") = "5"
    & skf21("6","6","3","6","4","4","4","1") = "5"
    & skf21("6","6","3","6","4","4","5","1") = "5"
    & skf21("6","6","3","6","4","4","6","1") = "5"
    & skf21("6","6","3","6","4","4","7","1") = "6"
    & skf21("6","6","3","6","4","5","1","1") = "5"
    & skf21("6","6","3","6","4","5","2","1") = "5"
    & skf21("6","6","3","6","4","5","3","1") = "5"
    & skf21("6","6","3","6","4","5","4","1") = "5"
    & skf21("6","6","3","6","4","5","5","1") = "5"
    & skf21("6","6","3","6","4","5","6","1") = "5"
    & skf21("6","6","3","6","4","5","7","1") = "6"
    & skf21("6","6","3","6","4","6","1","1") = "5"
    & skf21("6","6","3","6","4","6","2","1") = "5"
    & skf21("6","6","3","6","4","6","3","1") = "5"
    & skf21("6","6","3","6","4","6","4","1") = "5"
    & skf21("6","6","3","6","4","6","5","1") = "5"
    & skf21("6","6","3","6","4","6","6","1") = "5"
    & skf21("6","6","3","6","4","6","7","1") = "6"
    & skf21("6","6","3","6","4","7","1","1") = "6"
    & skf21("6","6","3","6","4","7","2","1") = "6"
    & skf21("6","6","3","6","4","7","3","1") = "6"
    & skf21("6","6","3","6","4","7","4","1") = "6"
    & skf21("6","6","3","6","4","7","5","1") = "6"
    & skf21("6","6","3","6","4","7","6","1") = "6"
    & skf21("6","6","3","6","4","7","7","1") = "6"
    & skf21("6","6","3","6","5","1","1","1") = "5"
    & skf21("6","6","3","6","5","1","2","1") = "5"
    & skf21("6","6","3","6","5","1","3","1") = "5"
    & skf21("6","6","3","6","5","1","4","1") = "5"
    & skf21("6","6","3","6","5","1","5","1") = "5"
    & skf21("6","6","3","6","5","1","6","1") = "5"
    & skf21("6","6","3","6","5","1","7","1") = "6"
    & skf21("6","6","3","6","5","2","1","1") = "5"
    & skf21("6","6","3","6","5","2","2","1") = "5"
    & skf21("6","6","3","6","5","2","3","1") = "5"
    & skf21("6","6","3","6","5","2","4","1") = "5"
    & skf21("6","6","3","6","5","2","5","1") = "5"
    & skf21("6","6","3","6","5","2","6","1") = "5"
    & skf21("6","6","3","6","5","2","7","1") = "6"
    & skf21("6","6","3","6","5","3","1","1") = "5"
    & skf21("6","6","3","6","5","3","2","1") = "5"
    & skf21("6","6","3","6","5","3","3","1") = "5"
    & skf21("6","6","3","6","5","3","4","1") = "5"
    & skf21("6","6","3","6","5","3","5","1") = "5"
    & skf21("6","6","3","6","5","3","6","1") = "5"
    & skf21("6","6","3","6","5","3","7","1") = "6"
    & skf21("6","6","3","6","5","4","1","1") = "5"
    & skf21("6","6","3","6","5","4","2","1") = "5"
    & skf21("6","6","3","6","5","4","3","1") = "5"
    & skf21("6","6","3","6","5","4","4","1") = "5"
    & skf21("6","6","3","6","5","4","5","1") = "5"
    & skf21("6","6","3","6","5","4","6","1") = "5"
    & skf21("6","6","3","6","5","4","7","1") = "6"
    & skf21("6","6","3","6","5","5","1","1") = "5"
    & skf21("6","6","3","6","5","5","2","1") = "5"
    & skf21("6","6","3","6","5","5","3","1") = "5"
    & skf21("6","6","3","6","5","5","4","1") = "5"
    & skf21("6","6","3","6","5","5","5","1") = "5"
    & skf21("6","6","3","6","5","5","6","1") = "5"
    & skf21("6","6","3","6","5","5","7","1") = "6"
    & skf21("6","6","3","6","5","6","1","1") = "5"
    & skf21("6","6","3","6","5","6","2","1") = "5"
    & skf21("6","6","3","6","5","6","3","1") = "5"
    & skf21("6","6","3","6","5","6","4","1") = "5"
    & skf21("6","6","3","6","5","6","5","1") = "5"
    & skf21("6","6","3","6","5","6","6","1") = "5"
    & skf21("6","6","3","6","5","6","7","1") = "6"
    & skf21("6","6","3","6","5","7","1","1") = "6"
    & skf21("6","6","3","6","5","7","2","1") = "6"
    & skf21("6","6","3","6","5","7","3","1") = "6"
    & skf21("6","6","3","6","5","7","4","1") = "6"
    & skf21("6","6","3","6","5","7","5","1") = "6"
    & skf21("6","6","3","6","5","7","6","1") = "6"
    & skf21("6","6","3","6","5","7","7","1") = "6"
    & skf21("6","6","3","6","6","1","1","1") = "5"
    & skf21("6","6","3","6","6","1","2","1") = "5"
    & skf21("6","6","3","6","6","1","3","1") = "5"
    & skf21("6","6","3","6","6","1","4","1") = "5"
    & skf21("6","6","3","6","6","1","5","1") = "5"
    & skf21("6","6","3","6","6","1","6","1") = "5"
    & skf21("6","6","3","6","6","1","7","1") = "6"
    & skf21("6","6","3","6","6","2","1","1") = "5"
    & skf21("6","6","3","6","6","2","2","1") = "5"
    & skf21("6","6","3","6","6","2","3","1") = "5"
    & skf21("6","6","3","6","6","2","4","1") = "5"
    & skf21("6","6","3","6","6","2","5","1") = "5"
    & skf21("6","6","3","6","6","2","6","1") = "5"
    & skf21("6","6","3","6","6","2","7","1") = "6"
    & skf21("6","6","3","6","6","3","1","1") = "5"
    & skf21("6","6","3","6","6","3","2","1") = "5"
    & skf21("6","6","3","6","6","3","3","1") = "5"
    & skf21("6","6","3","6","6","3","4","1") = "5"
    & skf21("6","6","3","6","6","3","5","1") = "5"
    & skf21("6","6","3","6","6","3","6","1") = "5"
    & skf21("6","6","3","6","6","3","7","1") = "6"
    & skf21("6","6","3","6","6","4","1","1") = "5"
    & skf21("6","6","3","6","6","4","2","1") = "5"
    & skf21("6","6","3","6","6","4","3","1") = "5"
    & skf21("6","6","3","6","6","4","4","1") = "5"
    & skf21("6","6","3","6","6","4","5","1") = "5"
    & skf21("6","6","3","6","6","4","6","1") = "5"
    & skf21("6","6","3","6","6","4","7","1") = "6"
    & skf21("6","6","3","6","6","5","1","1") = "5"
    & skf21("6","6","3","6","6","5","2","1") = "5"
    & skf21("6","6","3","6","6","5","3","1") = "5"
    & skf21("6","6","3","6","6","5","4","1") = "5"
    & skf21("6","6","3","6","6","5","5","1") = "5"
    & skf21("6","6","3","6","6","5","6","1") = "5"
    & skf21("6","6","3","6","6","5","7","1") = "6"
    & skf21("6","6","3","6","6","6","1","1") = "5"
    & skf21("6","6","3","6","6","6","2","1") = "5"
    & skf21("6","6","3","6","6","6","3","1") = "5"
    & skf21("6","6","3","6","6","6","4","1") = "5"
    & skf21("6","6","3","6","6","6","5","1") = "5"
    & skf21("6","6","3","6","6","6","6","1") = "5"
    & skf21("6","6","3","6","6","6","7","1") = "6"
    & skf21("6","6","3","6","6","7","1","1") = "6"
    & skf21("6","6","3","6","6","7","2","1") = "6"
    & skf21("6","6","3","6","6","7","3","1") = "6"
    & skf21("6","6","3","6","6","7","4","1") = "6"
    & skf21("6","6","3","6","6","7","5","1") = "6"
    & skf21("6","6","3","6","6","7","6","1") = "6"
    & skf21("6","6","3","6","6","7","7","1") = "6"
    & skf21("6","6","3","6","7","1","1","1") = "6"
    & skf21("6","6","3","6","7","1","2","1") = "6"
    & skf21("6","6","3","6","7","1","3","1") = "6"
    & skf21("6","6","3","6","7","1","4","1") = "6"
    & skf21("6","6","3","6","7","1","5","1") = "6"
    & skf21("6","6","3","6","7","1","6","1") = "6"
    & skf21("6","6","3","6","7","1","7","1") = "6"
    & skf21("6","6","3","6","7","2","1","1") = "6"
    & skf21("6","6","3","6","7","2","2","1") = "6"
    & skf21("6","6","3","6","7","2","3","1") = "6"
    & skf21("6","6","3","6","7","2","4","1") = "6"
    & skf21("6","6","3","6","7","2","5","1") = "6"
    & skf21("6","6","3","6","7","2","6","1") = "6"
    & skf21("6","6","3","6","7","2","7","1") = "6"
    & skf21("6","6","3","6","7","3","1","1") = "6"
    & skf21("6","6","3","6","7","3","2","1") = "6"
    & skf21("6","6","3","6","7","3","3","1") = "6"
    & skf21("6","6","3","6","7","3","4","1") = "6"
    & skf21("6","6","3","6","7","3","5","1") = "6"
    & skf21("6","6","3","6","7","3","6","1") = "6"
    & skf21("6","6","3","6","7","3","7","1") = "6"
    & skf21("6","6","3","6","7","4","1","1") = "6"
    & skf21("6","6","3","6","7","4","2","1") = "6"
    & skf21("6","6","3","6","7","4","3","1") = "6"
    & skf21("6","6","3","6","7","4","4","1") = "6"
    & skf21("6","6","3","6","7","4","5","1") = "6"
    & skf21("6","6","3","6","7","4","6","1") = "6"
    & skf21("6","6","3","6","7","4","7","1") = "6"
    & skf21("6","6","3","6","7","5","1","1") = "6"
    & skf21("6","6","3","6","7","5","2","1") = "6"
    & skf21("6","6","3","6","7","5","3","1") = "6"
    & skf21("6","6","3","6","7","5","4","1") = "6"
    & skf21("6","6","3","6","7","5","5","1") = "6"
    & skf21("6","6","3","6","7","5","6","1") = "6"
    & skf21("6","6","3","6","7","5","7","1") = "6"
    & skf21("6","6","3","6","7","6","1","1") = "6"
    & skf21("6","6","3","6","7","6","2","1") = "6"
    & skf21("6","6","3","6","7","6","3","1") = "6"
    & skf21("6","6","3","6","7","6","4","1") = "6"
    & skf21("6","6","3","6","7","6","5","1") = "6"
    & skf21("6","6","3","6","7","6","6","1") = "6"
    & skf21("6","6","3","6","7","6","7","1") = "6"
    & skf21("6","6","3","6","7","7","1","1") = "6"
    & skf21("6","6","3","6","7","7","2","1") = "6"
    & skf21("6","6","3","6","7","7","3","1") = "6"
    & skf21("6","6","3","6","7","7","4","1") = "6"
    & skf21("6","6","3","6","7","7","5","1") = "6"
    & skf21("6","6","3","6","7","7","6","1") = "6"
    & skf21("6","6","3","6","7","7","7","1") = "6"
    & skf21("6","6","3","7","1","1","1","1") = "6"
    & skf21("6","6","3","7","1","1","2","1") = "6"
    & skf21("6","6","3","7","1","1","3","1") = "6"
    & skf21("6","6","3","7","1","1","4","1") = "6"
    & skf21("6","6","3","7","1","1","5","1") = "6"
    & skf21("6","6","3","7","1","1","6","1") = "6"
    & skf21("6","6","3","7","1","1","7","1") = "6"
    & skf21("6","6","3","7","1","2","1","1") = "6"
    & skf21("6","6","3","7","1","2","2","1") = "6"
    & skf21("6","6","3","7","1","2","3","1") = "6"
    & skf21("6","6","3","7","1","2","4","1") = "6"
    & skf21("6","6","3","7","1","2","5","1") = "6"
    & skf21("6","6","3","7","1","2","6","1") = "6"
    & skf21("6","6","3","7","1","2","7","1") = "6"
    & skf21("6","6","3","7","1","3","1","1") = "6"
    & skf21("6","6","3","7","1","3","2","1") = "6"
    & skf21("6","6","3","7","1","3","3","1") = "6"
    & skf21("6","6","3","7","1","3","4","1") = "6"
    & skf21("6","6","3","7","1","3","5","1") = "6"
    & skf21("6","6","3","7","1","3","6","1") = "6"
    & skf21("6","6","3","7","1","3","7","1") = "6"
    & skf21("6","6","3","7","1","4","1","1") = "6"
    & skf21("6","6","3","7","1","4","2","1") = "6"
    & skf21("6","6","3","7","1","4","3","1") = "6"
    & skf21("6","6","3","7","1","4","4","1") = "6"
    & skf21("6","6","3","7","1","4","5","1") = "6"
    & skf21("6","6","3","7","1","4","6","1") = "6"
    & skf21("6","6","3","7","1","4","7","1") = "6"
    & skf21("6","6","3","7","1","5","1","1") = "6"
    & skf21("6","6","3","7","1","5","2","1") = "6"
    & skf21("6","6","3","7","1","5","3","1") = "6"
    & skf21("6","6","3","7","1","5","4","1") = "6"
    & skf21("6","6","3","7","1","5","5","1") = "6"
    & skf21("6","6","3","7","1","5","6","1") = "6"
    & skf21("6","6","3","7","1","5","7","1") = "6"
    & skf21("6","6","3","7","1","6","1","1") = "6"
    & skf21("6","6","3","7","1","6","2","1") = "6"
    & skf21("6","6","3","7","1","6","3","1") = "6"
    & skf21("6","6","3","7","1","6","4","1") = "6"
    & skf21("6","6","3","7","1","6","5","1") = "6"
    & skf21("6","6","3","7","1","6","6","1") = "6"
    & skf21("6","6","3","7","1","6","7","1") = "6"
    & skf21("6","6","3","7","1","7","1","1") = "6"
    & skf21("6","6","3","7","1","7","2","1") = "6"
    & skf21("6","6","3","7","1","7","3","1") = "6"
    & skf21("6","6","3","7","1","7","4","1") = "6"
    & skf21("6","6","3","7","1","7","5","1") = "6"
    & skf21("6","6","3","7","1","7","6","1") = "6"
    & skf21("6","6","3","7","1","7","7","1") = "6"
    & skf21("6","6","3","7","2","1","1","1") = "6"
    & skf21("6","6","3","7","2","1","2","1") = "6"
    & skf21("6","6","3","7","2","1","3","1") = "6"
    & skf21("6","6","3","7","2","1","4","1") = "6"
    & skf21("6","6","3","7","2","1","5","1") = "6"
    & skf21("6","6","3","7","2","1","6","1") = "6"
    & skf21("6","6","3","7","2","1","7","1") = "6"
    & skf21("6","6","3","7","2","2","1","1") = "6"
    & skf21("6","6","3","7","2","2","2","1") = "6"
    & skf21("6","6","3","7","2","2","3","1") = "6"
    & skf21("6","6","3","7","2","2","4","1") = "6"
    & skf21("6","6","3","7","2","2","5","1") = "6"
    & skf21("6","6","3","7","2","2","6","1") = "6"
    & skf21("6","6","3","7","2","2","7","1") = "6"
    & skf21("6","6","3","7","2","3","1","1") = "6"
    & skf21("6","6","3","7","2","3","2","1") = "6"
    & skf21("6","6","3","7","2","3","3","1") = "6"
    & skf21("6","6","3","7","2","3","4","1") = "6"
    & skf21("6","6","3","7","2","3","5","1") = "6"
    & skf21("6","6","3","7","2","3","6","1") = "6"
    & skf21("6","6","3","7","2","3","7","1") = "6"
    & skf21("6","6","3","7","2","4","1","1") = "6"
    & skf21("6","6","3","7","2","4","2","1") = "6"
    & skf21("6","6","3","7","2","4","3","1") = "6"
    & skf21("6","6","3","7","2","4","4","1") = "6"
    & skf21("6","6","3","7","2","4","5","1") = "6"
    & skf21("6","6","3","7","2","4","6","1") = "6"
    & skf21("6","6","3","7","2","4","7","1") = "6"
    & skf21("6","6","3","7","2","5","1","1") = "6"
    & skf21("6","6","3","7","2","5","2","1") = "6"
    & skf21("6","6","3","7","2","5","3","1") = "6"
    & skf21("6","6","3","7","2","5","4","1") = "6"
    & skf21("6","6","3","7","2","5","5","1") = "6"
    & skf21("6","6","3","7","2","5","6","1") = "6"
    & skf21("6","6","3","7","2","5","7","1") = "6"
    & skf21("6","6","3","7","2","6","1","1") = "6"
    & skf21("6","6","3","7","2","6","2","1") = "6"
    & skf21("6","6","3","7","2","6","3","1") = "6"
    & skf21("6","6","3","7","2","6","4","1") = "6"
    & skf21("6","6","3","7","2","6","5","1") = "6"
    & skf21("6","6","3","7","2","6","6","1") = "6"
    & skf21("6","6","3","7","2","6","7","1") = "6"
    & skf21("6","6","3","7","2","7","1","1") = "6"
    & skf21("6","6","3","7","2","7","2","1") = "6"
    & skf21("6","6","3","7","2","7","3","1") = "6"
    & skf21("6","6","3","7","2","7","4","1") = "6"
    & skf21("6","6","3","7","2","7","5","1") = "6"
    & skf21("6","6","3","7","2","7","6","1") = "6"
    & skf21("6","6","3","7","2","7","7","1") = "6"
    & skf21("6","6","3","7","3","1","1","1") = "6"
    & skf21("6","6","3","7","3","1","2","1") = "6"
    & skf21("6","6","3","7","3","1","3","1") = "6"
    & skf21("6","6","3","7","3","1","4","1") = "6"
    & skf21("6","6","3","7","3","1","5","1") = "6"
    & skf21("6","6","3","7","3","1","6","1") = "6"
    & skf21("6","6","3","7","3","1","7","1") = "6"
    & skf21("6","6","3","7","3","2","1","1") = "6"
    & skf21("6","6","3","7","3","2","2","1") = "6"
    & skf21("6","6","3","7","3","2","3","1") = "6"
    & skf21("6","6","3","7","3","2","4","1") = "6"
    & skf21("6","6","3","7","3","2","5","1") = "6"
    & skf21("6","6","3","7","3","2","6","1") = "6"
    & skf21("6","6","3","7","3","2","7","1") = "6"
    & skf21("6","6","3","7","3","3","1","1") = "6"
    & skf21("6","6","3","7","3","3","2","1") = "6"
    & skf21("6","6","3","7","3","3","3","1") = "6"
    & skf21("6","6","3","7","3","3","4","1") = "6"
    & skf21("6","6","3","7","3","3","5","1") = "6"
    & skf21("6","6","3","7","3","3","6","1") = "6"
    & skf21("6","6","3","7","3","3","7","1") = "6"
    & skf21("6","6","3","7","3","4","1","1") = "6"
    & skf21("6","6","3","7","3","4","2","1") = "6"
    & skf21("6","6","3","7","3","4","3","1") = "6"
    & skf21("6","6","3","7","3","4","4","1") = "6"
    & skf21("6","6","3","7","3","4","5","1") = "6"
    & skf21("6","6","3","7","3","4","6","1") = "6"
    & skf21("6","6","3","7","3","4","7","1") = "6"
    & skf21("6","6","3","7","3","5","1","1") = "6"
    & skf21("6","6","3","7","3","5","2","1") = "6"
    & skf21("6","6","3","7","3","5","3","1") = "6"
    & skf21("6","6","3","7","3","5","4","1") = "6"
    & skf21("6","6","3","7","3","5","5","1") = "6"
    & skf21("6","6","3","7","3","5","6","1") = "6"
    & skf21("6","6","3","7","3","5","7","1") = "6"
    & skf21("6","6","3","7","3","6","1","1") = "6"
    & skf21("6","6","3","7","3","6","2","1") = "6"
    & skf21("6","6","3","7","3","6","3","1") = "6"
    & skf21("6","6","3","7","3","6","4","1") = "6"
    & skf21("6","6","3","7","3","6","5","1") = "6"
    & skf21("6","6","3","7","3","6","6","1") = "6"
    & skf21("6","6","3","7","3","6","7","1") = "6"
    & skf21("6","6","3","7","3","7","1","1") = "6"
    & skf21("6","6","3","7","3","7","2","1") = "6"
    & skf21("6","6","3","7","3","7","3","1") = "6"
    & skf21("6","6","3","7","3","7","4","1") = "6"
    & skf21("6","6","3","7","3","7","5","1") = "6"
    & skf21("6","6","3","7","3","7","6","1") = "6"
    & skf21("6","6","3","7","3","7","7","1") = "6"
    & skf21("6","6","3","7","4","1","1","1") = "6"
    & skf21("6","6","3","7","4","1","2","1") = "6"
    & skf21("6","6","3","7","4","1","3","1") = "6"
    & skf21("6","6","3","7","4","1","4","1") = "6"
    & skf21("6","6","3","7","4","1","5","1") = "6"
    & skf21("6","6","3","7","4","1","6","1") = "6"
    & skf21("6","6","3","7","4","1","7","1") = "6"
    & skf21("6","6","3","7","4","2","1","1") = "6"
    & skf21("6","6","3","7","4","2","2","1") = "6"
    & skf21("6","6","3","7","4","2","3","1") = "6"
    & skf21("6","6","3","7","4","2","4","1") = "6"
    & skf21("6","6","3","7","4","2","5","1") = "6"
    & skf21("6","6","3","7","4","2","6","1") = "6"
    & skf21("6","6","3","7","4","2","7","1") = "6"
    & skf21("6","6","3","7","4","3","1","1") = "6"
    & skf21("6","6","3","7","4","3","2","1") = "6"
    & skf21("6","6","3","7","4","3","3","1") = "6"
    & skf21("6","6","3","7","4","3","4","1") = "6"
    & skf21("6","6","3","7","4","3","5","1") = "6"
    & skf21("6","6","3","7","4","3","6","1") = "6"
    & skf21("6","6","3","7","4","3","7","1") = "6"
    & skf21("6","6","3","7","4","4","1","1") = "6"
    & skf21("6","6","3","7","4","4","2","1") = "6"
    & skf21("6","6","3","7","4","4","3","1") = "6"
    & skf21("6","6","3","7","4","4","4","1") = "6"
    & skf21("6","6","3","7","4","4","5","1") = "6"
    & skf21("6","6","3","7","4","4","6","1") = "6"
    & skf21("6","6","3","7","4","4","7","1") = "6"
    & skf21("6","6","3","7","4","5","1","1") = "6"
    & skf21("6","6","3","7","4","5","2","1") = "6"
    & skf21("6","6","3","7","4","5","3","1") = "6"
    & skf21("6","6","3","7","4","5","4","1") = "6"
    & skf21("6","6","3","7","4","5","5","1") = "6"
    & skf21("6","6","3","7","4","5","6","1") = "6"
    & skf21("6","6","3","7","4","5","7","1") = "6"
    & skf21("6","6","3","7","4","6","1","1") = "6"
    & skf21("6","6","3","7","4","6","2","1") = "6"
    & skf21("6","6","3","7","4","6","3","1") = "6"
    & skf21("6","6","3","7","4","6","4","1") = "6"
    & skf21("6","6","3","7","4","6","5","1") = "6"
    & skf21("6","6","3","7","4","6","6","1") = "6"
    & skf21("6","6","3","7","4","6","7","1") = "6"
    & skf21("6","6","3","7","4","7","1","1") = "6"
    & skf21("6","6","3","7","4","7","2","1") = "6"
    & skf21("6","6","3","7","4","7","3","1") = "6"
    & skf21("6","6","3","7","4","7","4","1") = "6"
    & skf21("6","6","3","7","4","7","5","1") = "6"
    & skf21("6","6","3","7","4","7","6","1") = "6"
    & skf21("6","6","3","7","4","7","7","1") = "6"
    & skf21("6","6","3","7","5","1","1","1") = "6"
    & skf21("6","6","3","7","5","1","2","1") = "6"
    & skf21("6","6","3","7","5","1","3","1") = "6"
    & skf21("6","6","3","7","5","1","4","1") = "6"
    & skf21("6","6","3","7","5","1","5","1") = "6"
    & skf21("6","6","3","7","5","1","6","1") = "6"
    & skf21("6","6","3","7","5","1","7","1") = "6"
    & skf21("6","6","3","7","5","2","1","1") = "6"
    & skf21("6","6","3","7","5","2","2","1") = "6"
    & skf21("6","6","3","7","5","2","3","1") = "6"
    & skf21("6","6","3","7","5","2","4","1") = "6"
    & skf21("6","6","3","7","5","2","5","1") = "6"
    & skf21("6","6","3","7","5","2","6","1") = "6"
    & skf21("6","6","3","7","5","2","7","1") = "6"
    & skf21("6","6","3","7","5","3","1","1") = "6"
    & skf21("6","6","3","7","5","3","2","1") = "6"
    & skf21("6","6","3","7","5","3","3","1") = "6"
    & skf21("6","6","3","7","5","3","4","1") = "6"
    & skf21("6","6","3","7","5","3","5","1") = "6"
    & skf21("6","6","3","7","5","3","6","1") = "6"
    & skf21("6","6","3","7","5","3","7","1") = "6"
    & skf21("6","6","3","7","5","4","1","1") = "6"
    & skf21("6","6","3","7","5","4","2","1") = "6"
    & skf21("6","6","3","7","5","4","3","1") = "6"
    & skf21("6","6","3","7","5","4","4","1") = "6"
    & skf21("6","6","3","7","5","4","5","1") = "6"
    & skf21("6","6","3","7","5","4","6","1") = "6"
    & skf21("6","6","3","7","5","4","7","1") = "6"
    & skf21("6","6","3","7","5","5","1","1") = "6"
    & skf21("6","6","3","7","5","5","2","1") = "6"
    & skf21("6","6","3","7","5","5","3","1") = "6"
    & skf21("6","6","3","7","5","5","4","1") = "6"
    & skf21("6","6","3","7","5","5","5","1") = "6"
    & skf21("6","6","3","7","5","5","6","1") = "6"
    & skf21("6","6","3","7","5","5","7","1") = "6"
    & skf21("6","6","3","7","5","6","1","1") = "6"
    & skf21("6","6","3","7","5","6","2","1") = "6"
    & skf21("6","6","3","7","5","6","3","1") = "6"
    & skf21("6","6","3","7","5","6","4","1") = "6"
    & skf21("6","6","3","7","5","6","5","1") = "6"
    & skf21("6","6","3","7","5","6","6","1") = "6"
    & skf21("6","6","3","7","5","6","7","1") = "6"
    & skf21("6","6","3","7","5","7","1","1") = "6"
    & skf21("6","6","3","7","5","7","2","1") = "6"
    & skf21("6","6","3","7","5","7","3","1") = "6"
    & skf21("6","6","3","7","5","7","4","1") = "6"
    & skf21("6","6","3","7","5","7","5","1") = "6"
    & skf21("6","6","3","7","5","7","6","1") = "6"
    & skf21("6","6","3","7","5","7","7","1") = "6"
    & skf21("6","6","3","7","6","1","1","1") = "6"
    & skf21("6","6","3","7","6","1","2","1") = "6"
    & skf21("6","6","3","7","6","1","3","1") = "6"
    & skf21("6","6","3","7","6","1","4","1") = "6"
    & skf21("6","6","3","7","6","1","5","1") = "6"
    & skf21("6","6","3","7","6","1","6","1") = "6"
    & skf21("6","6","3","7","6","1","7","1") = "6"
    & skf21("6","6","3","7","6","2","1","1") = "6"
    & skf21("6","6","3","7","6","2","2","1") = "6"
    & skf21("6","6","3","7","6","2","3","1") = "6"
    & skf21("6","6","3","7","6","2","4","1") = "6"
    & skf21("6","6","3","7","6","2","5","1") = "6"
    & skf21("6","6","3","7","6","2","6","1") = "6"
    & skf21("6","6","3","7","6","2","7","1") = "6"
    & skf21("6","6","3","7","6","3","1","1") = "6"
    & skf21("6","6","3","7","6","3","2","1") = "6"
    & skf21("6","6","3","7","6","3","3","1") = "6"
    & skf21("6","6","3","7","6","3","4","1") = "6"
    & skf21("6","6","3","7","6","3","5","1") = "6"
    & skf21("6","6","3","7","6","3","6","1") = "6"
    & skf21("6","6","3","7","6","3","7","1") = "6"
    & skf21("6","6","3","7","6","4","1","1") = "6"
    & skf21("6","6","3","7","6","4","2","1") = "6"
    & skf21("6","6","3","7","6","4","3","1") = "6"
    & skf21("6","6","3","7","6","4","4","1") = "6"
    & skf21("6","6","3","7","6","4","5","1") = "6"
    & skf21("6","6","3","7","6","4","6","1") = "6"
    & skf21("6","6","3","7","6","4","7","1") = "6"
    & skf21("6","6","3","7","6","5","1","1") = "6"
    & skf21("6","6","3","7","6","5","2","1") = "6"
    & skf21("6","6","3","7","6","5","3","1") = "6"
    & skf21("6","6","3","7","6","5","4","1") = "6"
    & skf21("6","6","3","7","6","5","5","1") = "6"
    & skf21("6","6","3","7","6","5","6","1") = "6"
    & skf21("6","6","3","7","6","5","7","1") = "6"
    & skf21("6","6","3","7","6","6","1","1") = "6"
    & skf21("6","6","3","7","6","6","2","1") = "6"
    & skf21("6","6","3","7","6","6","3","1") = "6"
    & skf21("6","6","3","7","6","6","4","1") = "6"
    & skf21("6","6","3","7","6","6","5","1") = "6"
    & skf21("6","6","3","7","6","6","6","1") = "6"
    & skf21("6","6","3","7","6","6","7","1") = "6"
    & skf21("6","6","3","7","6","7","1","1") = "6"
    & skf21("6","6","3","7","6","7","2","1") = "6"
    & skf21("6","6","3","7","6","7","3","1") = "6"
    & skf21("6","6","3","7","6","7","4","1") = "6"
    & skf21("6","6","3","7","6","7","5","1") = "6"
    & skf21("6","6","3","7","6","7","6","1") = "6"
    & skf21("6","6","3","7","6","7","7","1") = "6"
    & skf21("6","6","3","7","7","1","1","1") = "6"
    & skf21("6","6","3","7","7","1","2","1") = "6"
    & skf21("6","6","3","7","7","1","3","1") = "6"
    & skf21("6","6","3","7","7","1","4","1") = "6"
    & skf21("6","6","3","7","7","1","5","1") = "6"
    & skf21("6","6","3","7","7","1","6","1") = "6"
    & skf21("6","6","3","7","7","1","7","1") = "6"
    & skf21("6","6","3","7","7","2","1","1") = "6"
    & skf21("6","6","3","7","7","2","2","1") = "6"
    & skf21("6","6","3","7","7","2","3","1") = "6"
    & skf21("6","6","3","7","7","2","4","1") = "6"
    & skf21("6","6","3","7","7","2","5","1") = "6"
    & skf21("6","6","3","7","7","2","6","1") = "6"
    & skf21("6","6","3","7","7","2","7","1") = "6"
    & skf21("6","6","3","7","7","3","1","1") = "6"
    & skf21("6","6","3","7","7","3","2","1") = "6"
    & skf21("6","6","3","7","7","3","3","1") = "6"
    & skf21("6","6","3","7","7","3","4","1") = "6"
    & skf21("6","6","3","7","7","3","5","1") = "6"
    & skf21("6","6","3","7","7","3","6","1") = "6"
    & skf21("6","6","3","7","7","3","7","1") = "6"
    & skf21("6","6","3","7","7","4","1","1") = "6"
    & skf21("6","6","3","7","7","4","2","1") = "6"
    & skf21("6","6","3","7","7","4","3","1") = "6"
    & skf21("6","6","3","7","7","4","4","1") = "6"
    & skf21("6","6","3","7","7","4","5","1") = "6"
    & skf21("6","6","3","7","7","4","6","1") = "6"
    & skf21("6","6","3","7","7","4","7","1") = "6"
    & skf21("6","6","3","7","7","5","1","1") = "6"
    & skf21("6","6","3","7","7","5","2","1") = "6"
    & skf21("6","6","3","7","7","5","3","1") = "6"
    & skf21("6","6","3","7","7","5","4","1") = "6"
    & skf21("6","6","3","7","7","5","5","1") = "6"
    & skf21("6","6","3","7","7","5","6","1") = "6"
    & skf21("6","6","3","7","7","5","7","1") = "6"
    & skf21("6","6","3","7","7","6","1","1") = "6"
    & skf21("6","6","3","7","7","6","2","1") = "6"
    & skf21("6","6","3","7","7","6","3","1") = "6"
    & skf21("6","6","3","7","7","6","4","1") = "6"
    & skf21("6","6","3","7","7","6","5","1") = "6"
    & skf21("6","6","3","7","7","6","6","1") = "6"
    & skf21("6","6","3","7","7","6","7","1") = "6"
    & skf21("6","6","3","7","7","7","1","1") = "6"
    & skf21("6","6","3","7","7","7","2","1") = "6"
    & skf21("6","6","3","7","7","7","3","1") = "6"
    & skf21("6","6","3","7","7","7","4","1") = "6"
    & skf21("6","6","3","7","7","7","5","1") = "6"
    & skf21("6","6","3","7","7","7","6","1") = "6"
    & skf21("6","6","3","7","7","7","7","1") = "6"
    & skf21("6","6","4","1","1","1","1","1") = "5"
    & skf21("6","6","4","1","1","1","2","1") = "5"
    & skf21("6","6","4","1","1","1","3","1") = "5"
    & skf21("6","6","4","1","1","1","4","1") = "5"
    & skf21("6","6","4","1","1","1","5","1") = "5"
    & skf21("6","6","4","1","1","1","6","1") = "5"
    & skf21("6","6","4","1","1","1","7","1") = "6"
    & skf21("6","6","4","1","1","2","1","1") = "5"
    & skf21("6","6","4","1","1","2","2","1") = "5"
    & skf21("6","6","4","1","1","2","3","1") = "5"
    & skf21("6","6","4","1","1","2","4","1") = "5"
    & skf21("6","6","4","1","1","2","5","1") = "5"
    & skf21("6","6","4","1","1","2","6","1") = "5"
    & skf21("6","6","4","1","1","2","7","1") = "6"
    & skf21("6","6","4","1","1","3","1","1") = "5"
    & skf21("6","6","4","1","1","3","2","1") = "5"
    & skf21("6","6","4","1","1","3","3","1") = "5"
    & skf21("6","6","4","1","1","3","4","1") = "5"
    & skf21("6","6","4","1","1","3","5","1") = "5"
    & skf21("6","6","4","1","1","3","6","1") = "5"
    & skf21("6","6","4","1","1","3","7","1") = "6"
    & skf21("6","6","4","1","1","4","1","1") = "5"
    & skf21("6","6","4","1","1","4","2","1") = "5"
    & skf21("6","6","4","1","1","4","3","1") = "5"
    & skf21("6","6","4","1","1","4","4","1") = "5"
    & skf21("6","6","4","1","1","4","5","1") = "5"
    & skf21("6","6","4","1","1","4","6","1") = "5"
    & skf21("6","6","4","1","1","4","7","1") = "6"
    & skf21("6","6","4","1","1","5","1","1") = "5"
    & skf21("6","6","4","1","1","5","2","1") = "5"
    & skf21("6","6","4","1","1","5","3","1") = "5"
    & skf21("6","6","4","1","1","5","4","1") = "5"
    & skf21("6","6","4","1","1","5","5","1") = "5"
    & skf21("6","6","4","1","1","5","6","1") = "5"
    & skf21("6","6","4","1","1","5","7","1") = "6"
    & skf21("6","6","4","1","1","6","1","1") = "5"
    & skf21("6","6","4","1","1","6","2","1") = "5"
    & skf21("6","6","4","1","1","6","3","1") = "5"
    & skf21("6","6","4","1","1","6","4","1") = "5"
    & skf21("6","6","4","1","1","6","5","1") = "5"
    & skf21("6","6","4","1","1","6","6","1") = "5"
    & skf21("6","6","4","1","1","6","7","1") = "6"
    & skf21("6","6","4","1","1","7","1","1") = "6"
    & skf21("6","6","4","1","1","7","2","1") = "6"
    & skf21("6","6","4","1","1","7","3","1") = "6"
    & skf21("6","6","4","1","1","7","4","1") = "6"
    & skf21("6","6","4","1","1","7","5","1") = "6"
    & skf21("6","6","4","1","1","7","6","1") = "6"
    & skf21("6","6","4","1","1","7","7","1") = "6"
    & skf21("6","6","4","1","2","1","1","1") = "5"
    & skf21("6","6","4","1","2","1","2","1") = "5"
    & skf21("6","6","4","1","2","1","3","1") = "5"
    & skf21("6","6","4","1","2","1","4","1") = "5"
    & skf21("6","6","4","1","2","1","5","1") = "5"
    & skf21("6","6","4","1","2","1","6","1") = "5"
    & skf21("6","6","4","1","2","1","7","1") = "6"
    & skf21("6","6","4","1","2","2","1","1") = "5"
    & skf21("6","6","4","1","2","2","2","1") = "5"
    & skf21("6","6","4","1","2","2","3","1") = "5"
    & skf21("6","6","4","1","2","2","4","1") = "5"
    & skf21("6","6","4","1","2","2","5","1") = "5"
    & skf21("6","6","4","1","2","2","6","1") = "5"
    & skf21("6","6","4","1","2","2","7","1") = "6"
    & skf21("6","6","4","1","2","3","1","1") = "5"
    & skf21("6","6","4","1","2","3","2","1") = "5"
    & skf21("6","6","4","1","2","3","3","1") = "5"
    & skf21("6","6","4","1","2","3","4","1") = "5"
    & skf21("6","6","4","1","2","3","5","1") = "5"
    & skf21("6","6","4","1","2","3","6","1") = "5"
    & skf21("6","6","4","1","2","3","7","1") = "6"
    & skf21("6","6","4","1","2","4","1","1") = "5"
    & skf21("6","6","4","1","2","4","2","1") = "5"
    & skf21("6","6","4","1","2","4","3","1") = "5"
    & skf21("6","6","4","1","2","4","4","1") = "5"
    & skf21("6","6","4","1","2","4","5","1") = "5"
    & skf21("6","6","4","1","2","4","6","1") = "5"
    & skf21("6","6","4","1","2","4","7","1") = "6"
    & skf21("6","6","4","1","2","5","1","1") = "5"
    & skf21("6","6","4","1","2","5","2","1") = "5"
    & skf21("6","6","4","1","2","5","3","1") = "5"
    & skf21("6","6","4","1","2","5","4","1") = "5"
    & skf21("6","6","4","1","2","5","5","1") = "5"
    & skf21("6","6","4","1","2","5","6","1") = "5"
    & skf21("6","6","4","1","2","5","7","1") = "6"
    & skf21("6","6","4","1","2","6","1","1") = "5"
    & skf21("6","6","4","1","2","6","2","1") = "5"
    & skf21("6","6","4","1","2","6","3","1") = "5"
    & skf21("6","6","4","1","2","6","4","1") = "5"
    & skf21("6","6","4","1","2","6","5","1") = "5"
    & skf21("6","6","4","1","2","6","6","1") = "5"
    & skf21("6","6","4","1","2","6","7","1") = "6"
    & skf21("6","6","4","1","2","7","1","1") = "6"
    & skf21("6","6","4","1","2","7","2","1") = "6"
    & skf21("6","6","4","1","2","7","3","1") = "6"
    & skf21("6","6","4","1","2","7","4","1") = "6"
    & skf21("6","6","4","1","2","7","5","1") = "6"
    & skf21("6","6","4","1","2","7","6","1") = "6"
    & skf21("6","6","4","1","2","7","7","1") = "6"
    & skf21("6","6","4","1","3","1","1","1") = "5"
    & skf21("6","6","4","1","3","1","2","1") = "5"
    & skf21("6","6","4","1","3","1","3","1") = "5"
    & skf21("6","6","4","1","3","1","4","1") = "5"
    & skf21("6","6","4","1","3","1","5","1") = "5"
    & skf21("6","6","4","1","3","1","6","1") = "5"
    & skf21("6","6","4","1","3","1","7","1") = "6"
    & skf21("6","6","4","1","3","2","1","1") = "5"
    & skf21("6","6","4","1","3","2","2","1") = "5"
    & skf21("6","6","4","1","3","2","3","1") = "5"
    & skf21("6","6","4","1","3","2","4","1") = "5"
    & skf21("6","6","4","1","3","2","5","1") = "5"
    & skf21("6","6","4","1","3","2","6","1") = "5"
    & skf21("6","6","4","1","3","2","7","1") = "6"
    & skf21("6","6","4","1","3","3","1","1") = "5"
    & skf21("6","6","4","1","3","3","2","1") = "5"
    & skf21("6","6","4","1","3","3","3","1") = "5"
    & skf21("6","6","4","1","3","3","4","1") = "5"
    & skf21("6","6","4","1","3","3","5","1") = "5"
    & skf21("6","6","4","1","3","3","6","1") = "5"
    & skf21("6","6","4","1","3","3","7","1") = "6"
    & skf21("6","6","4","1","3","4","1","1") = "5"
    & skf21("6","6","4","1","3","4","2","1") = "5"
    & skf21("6","6","4","1","3","4","3","1") = "5"
    & skf21("6","6","4","1","3","4","4","1") = "5"
    & skf21("6","6","4","1","3","4","5","1") = "5"
    & skf21("6","6","4","1","3","4","6","1") = "5"
    & skf21("6","6","4","1","3","4","7","1") = "6"
    & skf21("6","6","4","1","3","5","1","1") = "5"
    & skf21("6","6","4","1","3","5","2","1") = "5"
    & skf21("6","6","4","1","3","5","3","1") = "5"
    & skf21("6","6","4","1","3","5","4","1") = "5"
    & skf21("6","6","4","1","3","5","5","1") = "5"
    & skf21("6","6","4","1","3","5","6","1") = "5"
    & skf21("6","6","4","1","3","5","7","1") = "6"
    & skf21("6","6","4","1","3","6","1","1") = "5"
    & skf21("6","6","4","1","3","6","2","1") = "5"
    & skf21("6","6","4","1","3","6","3","1") = "5"
    & skf21("6","6","4","1","3","6","4","1") = "5"
    & skf21("6","6","4","1","3","6","5","1") = "5"
    & skf21("6","6","4","1","3","6","6","1") = "5"
    & skf21("6","6","4","1","3","6","7","1") = "6"
    & skf21("6","6","4","1","3","7","1","1") = "6"
    & skf21("6","6","4","1","3","7","2","1") = "6"
    & skf21("6","6","4","1","3","7","3","1") = "6"
    & skf21("6","6","4","1","3","7","4","1") = "6"
    & skf21("6","6","4","1","3","7","5","1") = "6"
    & skf21("6","6","4","1","3","7","6","1") = "6"
    & skf21("6","6","4","1","3","7","7","1") = "6"
    & skf21("6","6","4","1","4","1","1","1") = "5"
    & skf21("6","6","4","1","4","1","2","1") = "5"
    & skf21("6","6","4","1","4","1","3","1") = "5"
    & skf21("6","6","4","1","4","1","4","1") = "5"
    & skf21("6","6","4","1","4","1","5","1") = "5"
    & skf21("6","6","4","1","4","1","6","1") = "5"
    & skf21("6","6","4","1","4","1","7","1") = "6"
    & skf21("6","6","4","1","4","2","1","1") = "5"
    & skf21("6","6","4","1","4","2","2","1") = "5"
    & skf21("6","6","4","1","4","2","3","1") = "5"
    & skf21("6","6","4","1","4","2","4","1") = "5"
    & skf21("6","6","4","1","4","2","5","1") = "5"
    & skf21("6","6","4","1","4","2","6","1") = "5"
    & skf21("6","6","4","1","4","2","7","1") = "6"
    & skf21("6","6","4","1","4","3","1","1") = "5"
    & skf21("6","6","4","1","4","3","2","1") = "5"
    & skf21("6","6","4","1","4","3","3","1") = "5"
    & skf21("6","6","4","1","4","3","4","1") = "5"
    & skf21("6","6","4","1","4","3","5","1") = "5"
    & skf21("6","6","4","1","4","3","6","1") = "5"
    & skf21("6","6","4","1","4","3","7","1") = "6"
    & skf21("6","6","4","1","4","4","1","1") = "5"
    & skf21("6","6","4","1","4","4","2","1") = "5"
    & skf21("6","6","4","1","4","4","3","1") = "5"
    & skf21("6","6","4","1","4","4","4","1") = "5"
    & skf21("6","6","4","1","4","4","5","1") = "5"
    & skf21("6","6","4","1","4","4","6","1") = "5"
    & skf21("6","6","4","1","4","4","7","1") = "6"
    & skf21("6","6","4","1","4","5","1","1") = "5"
    & skf21("6","6","4","1","4","5","2","1") = "5"
    & skf21("6","6","4","1","4","5","3","1") = "5"
    & skf21("6","6","4","1","4","5","4","1") = "5"
    & skf21("6","6","4","1","4","5","5","1") = "5"
    & skf21("6","6","4","1","4","5","6","1") = "5"
    & skf21("6","6","4","1","4","5","7","1") = "6"
    & skf21("6","6","4","1","4","6","1","1") = "5"
    & skf21("6","6","4","1","4","6","2","1") = "5"
    & skf21("6","6","4","1","4","6","3","1") = "5"
    & skf21("6","6","4","1","4","6","4","1") = "5"
    & skf21("6","6","4","1","4","6","5","1") = "5"
    & skf21("6","6","4","1","4","6","6","1") = "5"
    & skf21("6","6","4","1","4","6","7","1") = "6"
    & skf21("6","6","4","1","4","7","1","1") = "6"
    & skf21("6","6","4","1","4","7","2","1") = "6"
    & skf21("6","6","4","1","4","7","3","1") = "6"
    & skf21("6","6","4","1","4","7","4","1") = "6"
    & skf21("6","6","4","1","4","7","5","1") = "6"
    & skf21("6","6","4","1","4","7","6","1") = "6"
    & skf21("6","6","4","1","4","7","7","1") = "6"
    & skf21("6","6","4","1","5","1","1","1") = "5"
    & skf21("6","6","4","1","5","1","2","1") = "5"
    & skf21("6","6","4","1","5","1","3","1") = "5"
    & skf21("6","6","4","1","5","1","4","1") = "5"
    & skf21("6","6","4","1","5","1","5","1") = "5"
    & skf21("6","6","4","1","5","1","6","1") = "5"
    & skf21("6","6","4","1","5","1","7","1") = "6"
    & skf21("6","6","4","1","5","2","1","1") = "5"
    & skf21("6","6","4","1","5","2","2","1") = "5"
    & skf21("6","6","4","1","5","2","3","1") = "5"
    & skf21("6","6","4","1","5","2","4","1") = "5"
    & skf21("6","6","4","1","5","2","5","1") = "5"
    & skf21("6","6","4","1","5","2","6","1") = "5"
    & skf21("6","6","4","1","5","2","7","1") = "6"
    & skf21("6","6","4","1","5","3","1","1") = "5"
    & skf21("6","6","4","1","5","3","2","1") = "5"
    & skf21("6","6","4","1","5","3","3","1") = "5"
    & skf21("6","6","4","1","5","3","4","1") = "5"
    & skf21("6","6","4","1","5","3","5","1") = "5"
    & skf21("6","6","4","1","5","3","6","1") = "5"
    & skf21("6","6","4","1","5","3","7","1") = "6"
    & skf21("6","6","4","1","5","4","1","1") = "5"
    & skf21("6","6","4","1","5","4","2","1") = "5"
    & skf21("6","6","4","1","5","4","3","1") = "5"
    & skf21("6","6","4","1","5","4","4","1") = "5"
    & skf21("6","6","4","1","5","4","5","1") = "5"
    & skf21("6","6","4","1","5","4","6","1") = "5"
    & skf21("6","6","4","1","5","4","7","1") = "6"
    & skf21("6","6","4","1","5","5","1","1") = "5"
    & skf21("6","6","4","1","5","5","2","1") = "5"
    & skf21("6","6","4","1","5","5","3","1") = "5"
    & skf21("6","6","4","1","5","5","4","1") = "5"
    & skf21("6","6","4","1","5","5","5","1") = "5"
    & skf21("6","6","4","1","5","5","6","1") = "5"
    & skf21("6","6","4","1","5","5","7","1") = "6"
    & skf21("6","6","4","1","5","6","1","1") = "5"
    & skf21("6","6","4","1","5","6","2","1") = "5"
    & skf21("6","6","4","1","5","6","3","1") = "5"
    & skf21("6","6","4","1","5","6","4","1") = "5"
    & skf21("6","6","4","1","5","6","5","1") = "5"
    & skf21("6","6","4","1","5","6","6","1") = "5"
    & skf21("6","6","4","1","5","6","7","1") = "6"
    & skf21("6","6","4","1","5","7","1","1") = "6"
    & skf21("6","6","4","1","5","7","2","1") = "6"
    & skf21("6","6","4","1","5","7","3","1") = "6"
    & skf21("6","6","4","1","5","7","4","1") = "6"
    & skf21("6","6","4","1","5","7","5","1") = "6"
    & skf21("6","6","4","1","5","7","6","1") = "6"
    & skf21("6","6","4","1","5","7","7","1") = "6"
    & skf21("6","6","4","1","6","1","1","1") = "5"
    & skf21("6","6","4","1","6","1","2","1") = "5"
    & skf21("6","6","4","1","6","1","3","1") = "5"
    & skf21("6","6","4","1","6","1","4","1") = "5"
    & skf21("6","6","4","1","6","1","5","1") = "5"
    & skf21("6","6","4","1","6","1","6","1") = "5"
    & skf21("6","6","4","1","6","1","7","1") = "6"
    & skf21("6","6","4","1","6","2","1","1") = "5"
    & skf21("6","6","4","1","6","2","2","1") = "5"
    & skf21("6","6","4","1","6","2","3","1") = "5"
    & skf21("6","6","4","1","6","2","4","1") = "5"
    & skf21("6","6","4","1","6","2","5","1") = "5"
    & skf21("6","6","4","1","6","2","6","1") = "5"
    & skf21("6","6","4","1","6","2","7","1") = "6"
    & skf21("6","6","4","1","6","3","1","1") = "5"
    & skf21("6","6","4","1","6","3","2","1") = "5"
    & skf21("6","6","4","1","6","3","3","1") = "5"
    & skf21("6","6","4","1","6","3","4","1") = "5"
    & skf21("6","6","4","1","6","3","5","1") = "5"
    & skf21("6","6","4","1","6","3","6","1") = "5"
    & skf21("6","6","4","1","6","3","7","1") = "6"
    & skf21("6","6","4","1","6","4","1","1") = "5"
    & skf21("6","6","4","1","6","4","2","1") = "5"
    & skf21("6","6","4","1","6","4","3","1") = "5"
    & skf21("6","6","4","1","6","4","4","1") = "5"
    & skf21("6","6","4","1","6","4","5","1") = "5"
    & skf21("6","6","4","1","6","4","6","1") = "5"
    & skf21("6","6","4","1","6","4","7","1") = "6"
    & skf21("6","6","4","1","6","5","1","1") = "5"
    & skf21("6","6","4","1","6","5","2","1") = "5"
    & skf21("6","6","4","1","6","5","3","1") = "5"
    & skf21("6","6","4","1","6","5","4","1") = "5"
    & skf21("6","6","4","1","6","5","5","1") = "5"
    & skf21("6","6","4","1","6","5","6","1") = "5"
    & skf21("6","6","4","1","6","5","7","1") = "6"
    & skf21("6","6","4","1","6","6","1","1") = "5"
    & skf21("6","6","4","1","6","6","2","1") = "5"
    & skf21("6","6","4","1","6","6","3","1") = "5"
    & skf21("6","6","4","1","6","6","4","1") = "5"
    & skf21("6","6","4","1","6","6","5","1") = "5"
    & skf21("6","6","4","1","6","6","6","1") = "5"
    & skf21("6","6","4","1","6","6","7","1") = "6"
    & skf21("6","6","4","1","6","7","1","1") = "6"
    & skf21("6","6","4","1","6","7","2","1") = "6"
    & skf21("6","6","4","1","6","7","3","1") = "6"
    & skf21("6","6","4","1","6","7","4","1") = "6"
    & skf21("6","6","4","1","6","7","5","1") = "6"
    & skf21("6","6","4","1","6","7","6","1") = "6"
    & skf21("6","6","4","1","6","7","7","1") = "6"
    & skf21("6","6","4","1","7","1","1","1") = "6"
    & skf21("6","6","4","1","7","1","2","1") = "6"
    & skf21("6","6","4","1","7","1","3","1") = "6"
    & skf21("6","6","4","1","7","1","4","1") = "6"
    & skf21("6","6","4","1","7","1","5","1") = "6"
    & skf21("6","6","4","1","7","1","6","1") = "6"
    & skf21("6","6","4","1","7","1","7","1") = "6"
    & skf21("6","6","4","1","7","2","1","1") = "6"
    & skf21("6","6","4","1","7","2","2","1") = "6"
    & skf21("6","6","4","1","7","2","3","1") = "6"
    & skf21("6","6","4","1","7","2","4","1") = "6"
    & skf21("6","6","4","1","7","2","5","1") = "6"
    & skf21("6","6","4","1","7","2","6","1") = "6"
    & skf21("6","6","4","1","7","2","7","1") = "6"
    & skf21("6","6","4","1","7","3","1","1") = "6"
    & skf21("6","6","4","1","7","3","2","1") = "6"
    & skf21("6","6","4","1","7","3","3","1") = "6"
    & skf21("6","6","4","1","7","3","4","1") = "6"
    & skf21("6","6","4","1","7","3","5","1") = "6"
    & skf21("6","6","4","1","7","3","6","1") = "6"
    & skf21("6","6","4","1","7","3","7","1") = "6"
    & skf21("6","6","4","1","7","4","1","1") = "6"
    & skf21("6","6","4","1","7","4","2","1") = "6"
    & skf21("6","6","4","1","7","4","3","1") = "6"
    & skf21("6","6","4","1","7","4","4","1") = "6"
    & skf21("6","6","4","1","7","4","5","1") = "6"
    & skf21("6","6","4","1","7","4","6","1") = "6"
    & skf21("6","6","4","1","7","4","7","1") = "6"
    & skf21("6","6","4","1","7","5","1","1") = "6"
    & skf21("6","6","4","1","7","5","2","1") = "6"
    & skf21("6","6","4","1","7","5","3","1") = "6"
    & skf21("6","6","4","1","7","5","4","1") = "6"
    & skf21("6","6","4","1","7","5","5","1") = "6"
    & skf21("6","6","4","1","7","5","6","1") = "6"
    & skf21("6","6","4","1","7","5","7","1") = "6"
    & skf21("6","6","4","1","7","6","1","1") = "6"
    & skf21("6","6","4","1","7","6","2","1") = "6"
    & skf21("6","6","4","1","7","6","3","1") = "6"
    & skf21("6","6","4","1","7","6","4","1") = "6"
    & skf21("6","6","4","1","7","6","5","1") = "6"
    & skf21("6","6","4","1","7","6","6","1") = "6"
    & skf21("6","6","4","1","7","6","7","1") = "6"
    & skf21("6","6","4","1","7","7","1","1") = "6"
    & skf21("6","6","4","1","7","7","2","1") = "6"
    & skf21("6","6","4","1","7","7","3","1") = "6"
    & skf21("6","6","4","1","7","7","4","1") = "6"
    & skf21("6","6","4","1","7","7","5","1") = "6"
    & skf21("6","6","4","1","7","7","6","1") = "6"
    & skf21("6","6","4","1","7","7","7","1") = "6"
    & skf21("6","6","4","2","1","1","1","1") = "5"
    & skf21("6","6","4","2","1","1","2","1") = "5"
    & skf21("6","6","4","2","1","1","3","1") = "5"
    & skf21("6","6","4","2","1","1","4","1") = "5"
    & skf21("6","6","4","2","1","1","5","1") = "5"
    & skf21("6","6","4","2","1","1","6","1") = "5"
    & skf21("6","6","4","2","1","1","7","1") = "6"
    & skf21("6","6","4","2","1","2","1","1") = "5"
    & skf21("6","6","4","2","1","2","2","1") = "5"
    & skf21("6","6","4","2","1","2","3","1") = "5"
    & skf21("6","6","4","2","1","2","4","1") = "5"
    & skf21("6","6","4","2","1","2","5","1") = "5"
    & skf21("6","6","4","2","1","2","6","1") = "5"
    & skf21("6","6","4","2","1","2","7","1") = "6"
    & skf21("6","6","4","2","1","3","1","1") = "5"
    & skf21("6","6","4","2","1","3","2","1") = "5"
    & skf21("6","6","4","2","1","3","3","1") = "5"
    & skf21("6","6","4","2","1","3","4","1") = "5"
    & skf21("6","6","4","2","1","3","5","1") = "5"
    & skf21("6","6","4","2","1","3","6","1") = "5"
    & skf21("6","6","4","2","1","3","7","1") = "6"
    & skf21("6","6","4","2","1","4","1","1") = "5"
    & skf21("6","6","4","2","1","4","2","1") = "5"
    & skf21("6","6","4","2","1","4","3","1") = "5"
    & skf21("6","6","4","2","1","4","4","1") = "5"
    & skf21("6","6","4","2","1","4","5","1") = "5"
    & skf21("6","6","4","2","1","4","6","1") = "5"
    & skf21("6","6","4","2","1","4","7","1") = "6"
    & skf21("6","6","4","2","1","5","1","1") = "5"
    & skf21("6","6","4","2","1","5","2","1") = "5"
    & skf21("6","6","4","2","1","5","3","1") = "5"
    & skf21("6","6","4","2","1","5","4","1") = "5"
    & skf21("6","6","4","2","1","5","5","1") = "5"
    & skf21("6","6","4","2","1","5","6","1") = "5"
    & skf21("6","6","4","2","1","5","7","1") = "6"
    & skf21("6","6","4","2","1","6","1","1") = "5"
    & skf21("6","6","4","2","1","6","2","1") = "5"
    & skf21("6","6","4","2","1","6","3","1") = "5"
    & skf21("6","6","4","2","1","6","4","1") = "5"
    & skf21("6","6","4","2","1","6","5","1") = "5"
    & skf21("6","6","4","2","1","6","6","1") = "5"
    & skf21("6","6","4","2","1","6","7","1") = "6"
    & skf21("6","6","4","2","1","7","1","1") = "6"
    & skf21("6","6","4","2","1","7","2","1") = "6"
    & skf21("6","6","4","2","1","7","3","1") = "6"
    & skf21("6","6","4","2","1","7","4","1") = "6"
    & skf21("6","6","4","2","1","7","5","1") = "6"
    & skf21("6","6","4","2","1","7","6","1") = "6"
    & skf21("6","6","4","2","1","7","7","1") = "6"
    & skf21("6","6","4","2","2","1","1","1") = "5"
    & skf21("6","6","4","2","2","1","2","1") = "5"
    & skf21("6","6","4","2","2","1","3","1") = "5"
    & skf21("6","6","4","2","2","1","4","1") = "5"
    & skf21("6","6","4","2","2","1","5","1") = "5"
    & skf21("6","6","4","2","2","1","6","1") = "5"
    & skf21("6","6","4","2","2","1","7","1") = "6"
    & skf21("6","6","4","2","2","2","1","1") = "5"
    & skf21("6","6","4","2","2","2","2","1") = "5"
    & skf21("6","6","4","2","2","2","3","1") = "5"
    & skf21("6","6","4","2","2","2","4","1") = "5"
    & skf21("6","6","4","2","2","2","5","1") = "5"
    & skf21("6","6","4","2","2","2","6","1") = "5"
    & skf21("6","6","4","2","2","2","7","1") = "6"
    & skf21("6","6","4","2","2","3","1","1") = "5"
    & skf21("6","6","4","2","2","3","2","1") = "5"
    & skf21("6","6","4","2","2","3","3","1") = "5"
    & skf21("6","6","4","2","2","3","4","1") = "5"
    & skf21("6","6","4","2","2","3","5","1") = "5"
    & skf21("6","6","4","2","2","3","6","1") = "5"
    & skf21("6","6","4","2","2","3","7","1") = "6"
    & skf21("6","6","4","2","2","4","1","1") = "5"
    & skf21("6","6","4","2","2","4","2","1") = "5"
    & skf21("6","6","4","2","2","4","3","1") = "5"
    & skf21("6","6","4","2","2","4","4","1") = "5"
    & skf21("6","6","4","2","2","4","5","1") = "5"
    & skf21("6","6","4","2","2","4","6","1") = "5"
    & skf21("6","6","4","2","2","4","7","1") = "6"
    & skf21("6","6","4","2","2","5","1","1") = "5"
    & skf21("6","6","4","2","2","5","2","1") = "5"
    & skf21("6","6","4","2","2","5","3","1") = "5"
    & skf21("6","6","4","2","2","5","4","1") = "5"
    & skf21("6","6","4","2","2","5","5","1") = "5"
    & skf21("6","6","4","2","2","5","6","1") = "5"
    & skf21("6","6","4","2","2","5","7","1") = "6"
    & skf21("6","6","4","2","2","6","1","1") = "5"
    & skf21("6","6","4","2","2","6","2","1") = "5"
    & skf21("6","6","4","2","2","6","3","1") = "5"
    & skf21("6","6","4","2","2","6","4","1") = "5"
    & skf21("6","6","4","2","2","6","5","1") = "5"
    & skf21("6","6","4","2","2","6","6","1") = "5"
    & skf21("6","6","4","2","2","6","7","1") = "6"
    & skf21("6","6","4","2","2","7","1","1") = "6"
    & skf21("6","6","4","2","2","7","2","1") = "6"
    & skf21("6","6","4","2","2","7","3","1") = "6"
    & skf21("6","6","4","2","2","7","4","1") = "6"
    & skf21("6","6","4","2","2","7","5","1") = "6"
    & skf21("6","6","4","2","2","7","6","1") = "6"
    & skf21("6","6","4","2","2","7","7","1") = "6"
    & skf21("6","6","4","2","3","1","1","1") = "5"
    & skf21("6","6","4","2","3","1","2","1") = "5"
    & skf21("6","6","4","2","3","1","3","1") = "5"
    & skf21("6","6","4","2","3","1","4","1") = "5"
    & skf21("6","6","4","2","3","1","5","1") = "5"
    & skf21("6","6","4","2","3","1","6","1") = "5"
    & skf21("6","6","4","2","3","1","7","1") = "6"
    & skf21("6","6","4","2","3","2","1","1") = "5"
    & skf21("6","6","4","2","3","2","2","1") = "5"
    & skf21("6","6","4","2","3","2","3","1") = "5"
    & skf21("6","6","4","2","3","2","4","1") = "5"
    & skf21("6","6","4","2","3","2","5","1") = "5"
    & skf21("6","6","4","2","3","2","6","1") = "5"
    & skf21("6","6","4","2","3","2","7","1") = "6"
    & skf21("6","6","4","2","3","3","1","1") = "5"
    & skf21("6","6","4","2","3","3","2","1") = "5"
    & skf21("6","6","4","2","3","3","3","1") = "5"
    & skf21("6","6","4","2","3","3","4","1") = "5"
    & skf21("6","6","4","2","3","3","5","1") = "5"
    & skf21("6","6","4","2","3","3","6","1") = "5"
    & skf21("6","6","4","2","3","3","7","1") = "6"
    & skf21("6","6","4","2","3","4","1","1") = "5"
    & skf21("6","6","4","2","3","4","2","1") = "5"
    & skf21("6","6","4","2","3","4","3","1") = "5"
    & skf21("6","6","4","2","3","4","4","1") = "5"
    & skf21("6","6","4","2","3","4","5","1") = "5"
    & skf21("6","6","4","2","3","4","6","1") = "5"
    & skf21("6","6","4","2","3","4","7","1") = "6"
    & skf21("6","6","4","2","3","5","1","1") = "5"
    & skf21("6","6","4","2","3","5","2","1") = "5"
    & skf21("6","6","4","2","3","5","3","1") = "5"
    & skf21("6","6","4","2","3","5","4","1") = "5"
    & skf21("6","6","4","2","3","5","5","1") = "5"
    & skf21("6","6","4","2","3","5","6","1") = "5"
    & skf21("6","6","4","2","3","5","7","1") = "6"
    & skf21("6","6","4","2","3","6","1","1") = "5"
    & skf21("6","6","4","2","3","6","2","1") = "5"
    & skf21("6","6","4","2","3","6","3","1") = "5"
    & skf21("6","6","4","2","3","6","4","1") = "5"
    & skf21("6","6","4","2","3","6","5","1") = "5"
    & skf21("6","6","4","2","3","6","6","1") = "5"
    & skf21("6","6","4","2","3","6","7","1") = "6"
    & skf21("6","6","4","2","3","7","1","1") = "6"
    & skf21("6","6","4","2","3","7","2","1") = "6"
    & skf21("6","6","4","2","3","7","3","1") = "6"
    & skf21("6","6","4","2","3","7","4","1") = "6"
    & skf21("6","6","4","2","3","7","5","1") = "6"
    & skf21("6","6","4","2","3","7","6","1") = "6"
    & skf21("6","6","4","2","3","7","7","1") = "6"
    & skf21("6","6","4","2","4","1","1","1") = "5"
    & skf21("6","6","4","2","4","1","2","1") = "5"
    & skf21("6","6","4","2","4","1","3","1") = "5"
    & skf21("6","6","4","2","4","1","4","1") = "5"
    & skf21("6","6","4","2","4","1","5","1") = "5"
    & skf21("6","6","4","2","4","1","6","1") = "5"
    & skf21("6","6","4","2","4","1","7","1") = "6"
    & skf21("6","6","4","2","4","2","1","1") = "5"
    & skf21("6","6","4","2","4","2","2","1") = "5"
    & skf21("6","6","4","2","4","2","3","1") = "5"
    & skf21("6","6","4","2","4","2","4","1") = "5"
    & skf21("6","6","4","2","4","2","5","1") = "5"
    & skf21("6","6","4","2","4","2","6","1") = "5"
    & skf21("6","6","4","2","4","2","7","1") = "6"
    & skf21("6","6","4","2","4","3","1","1") = "5"
    & skf21("6","6","4","2","4","3","2","1") = "5"
    & skf21("6","6","4","2","4","3","3","1") = "5"
    & skf21("6","6","4","2","4","3","4","1") = "5"
    & skf21("6","6","4","2","4","3","5","1") = "5"
    & skf21("6","6","4","2","4","3","6","1") = "5"
    & skf21("6","6","4","2","4","3","7","1") = "6"
    & skf21("6","6","4","2","4","4","1","1") = "5"
    & skf21("6","6","4","2","4","4","2","1") = "5"
    & skf21("6","6","4","2","4","4","3","1") = "5"
    & skf21("6","6","4","2","4","4","4","1") = "5"
    & skf21("6","6","4","2","4","4","5","1") = "5"
    & skf21("6","6","4","2","4","4","6","1") = "5"
    & skf21("6","6","4","2","4","4","7","1") = "6"
    & skf21("6","6","4","2","4","5","1","1") = "5"
    & skf21("6","6","4","2","4","5","2","1") = "5"
    & skf21("6","6","4","2","4","5","3","1") = "5"
    & skf21("6","6","4","2","4","5","4","1") = "5"
    & skf21("6","6","4","2","4","5","5","1") = "5"
    & skf21("6","6","4","2","4","5","6","1") = "5"
    & skf21("6","6","4","2","4","5","7","1") = "6"
    & skf21("6","6","4","2","4","6","1","1") = "5"
    & skf21("6","6","4","2","4","6","2","1") = "5"
    & skf21("6","6","4","2","4","6","3","1") = "5"
    & skf21("6","6","4","2","4","6","4","1") = "5"
    & skf21("6","6","4","2","4","6","5","1") = "5"
    & skf21("6","6","4","2","4","6","6","1") = "5"
    & skf21("6","6","4","2","4","6","7","1") = "6"
    & skf21("6","6","4","2","4","7","1","1") = "6"
    & skf21("6","6","4","2","4","7","2","1") = "6"
    & skf21("6","6","4","2","4","7","3","1") = "6"
    & skf21("6","6","4","2","4","7","4","1") = "6"
    & skf21("6","6","4","2","4","7","5","1") = "6"
    & skf21("6","6","4","2","4","7","6","1") = "6"
    & skf21("6","6","4","2","4","7","7","1") = "6"
    & skf21("6","6","4","2","5","1","1","1") = "5"
    & skf21("6","6","4","2","5","1","2","1") = "5"
    & skf21("6","6","4","2","5","1","3","1") = "5"
    & skf21("6","6","4","2","5","1","4","1") = "5"
    & skf21("6","6","4","2","5","1","5","1") = "5"
    & skf21("6","6","4","2","5","1","6","1") = "5"
    & skf21("6","6","4","2","5","1","7","1") = "6"
    & skf21("6","6","4","2","5","2","1","1") = "5"
    & skf21("6","6","4","2","5","2","2","1") = "5"
    & skf21("6","6","4","2","5","2","3","1") = "5"
    & skf21("6","6","4","2","5","2","4","1") = "5"
    & skf21("6","6","4","2","5","2","5","1") = "5"
    & skf21("6","6","4","2","5","2","6","1") = "5"
    & skf21("6","6","4","2","5","2","7","1") = "6"
    & skf21("6","6","4","2","5","3","1","1") = "5"
    & skf21("6","6","4","2","5","3","2","1") = "5"
    & skf21("6","6","4","2","5","3","3","1") = "5"
    & skf21("6","6","4","2","5","3","4","1") = "5"
    & skf21("6","6","4","2","5","3","5","1") = "5"
    & skf21("6","6","4","2","5","3","6","1") = "5"
    & skf21("6","6","4","2","5","3","7","1") = "6"
    & skf21("6","6","4","2","5","4","1","1") = "5"
    & skf21("6","6","4","2","5","4","2","1") = "5"
    & skf21("6","6","4","2","5","4","3","1") = "5"
    & skf21("6","6","4","2","5","4","4","1") = "5"
    & skf21("6","6","4","2","5","4","5","1") = "5"
    & skf21("6","6","4","2","5","4","6","1") = "5"
    & skf21("6","6","4","2","5","4","7","1") = "6"
    & skf21("6","6","4","2","5","5","1","1") = "5"
    & skf21("6","6","4","2","5","5","2","1") = "5"
    & skf21("6","6","4","2","5","5","3","1") = "5"
    & skf21("6","6","4","2","5","5","4","1") = "5"
    & skf21("6","6","4","2","5","5","5","1") = "5"
    & skf21("6","6","4","2","5","5","6","1") = "5"
    & skf21("6","6","4","2","5","5","7","1") = "6"
    & skf21("6","6","4","2","5","6","1","1") = "5"
    & skf21("6","6","4","2","5","6","2","1") = "5"
    & skf21("6","6","4","2","5","6","3","1") = "5"
    & skf21("6","6","4","2","5","6","4","1") = "5"
    & skf21("6","6","4","2","5","6","5","1") = "5"
    & skf21("6","6","4","2","5","6","6","1") = "5"
    & skf21("6","6","4","2","5","6","7","1") = "6"
    & skf21("6","6","4","2","5","7","1","1") = "6"
    & skf21("6","6","4","2","5","7","2","1") = "6"
    & skf21("6","6","4","2","5","7","3","1") = "6"
    & skf21("6","6","4","2","5","7","4","1") = "6"
    & skf21("6","6","4","2","5","7","5","1") = "6"
    & skf21("6","6","4","2","5","7","6","1") = "6"
    & skf21("6","6","4","2","5","7","7","1") = "6"
    & skf21("6","6","4","2","6","1","1","1") = "5"
    & skf21("6","6","4","2","6","1","2","1") = "5"
    & skf21("6","6","4","2","6","1","3","1") = "5"
    & skf21("6","6","4","2","6","1","4","1") = "5"
    & skf21("6","6","4","2","6","1","5","1") = "5"
    & skf21("6","6","4","2","6","1","6","1") = "5"
    & skf21("6","6","4","2","6","1","7","1") = "6"
    & skf21("6","6","4","2","6","2","1","1") = "5"
    & skf21("6","6","4","2","6","2","2","1") = "5"
    & skf21("6","6","4","2","6","2","3","1") = "5"
    & skf21("6","6","4","2","6","2","4","1") = "5"
    & skf21("6","6","4","2","6","2","5","1") = "5"
    & skf21("6","6","4","2","6","2","6","1") = "5"
    & skf21("6","6","4","2","6","2","7","1") = "6"
    & skf21("6","6","4","2","6","3","1","1") = "5"
    & skf21("6","6","4","2","6","3","2","1") = "5"
    & skf21("6","6","4","2","6","3","3","1") = "5"
    & skf21("6","6","4","2","6","3","4","1") = "5"
    & skf21("6","6","4","2","6","3","5","1") = "5"
    & skf21("6","6","4","2","6","3","6","1") = "5"
    & skf21("6","6","4","2","6","3","7","1") = "6"
    & skf21("6","6","4","2","6","4","1","1") = "5"
    & skf21("6","6","4","2","6","4","2","1") = "5"
    & skf21("6","6","4","2","6","4","3","1") = "5"
    & skf21("6","6","4","2","6","4","4","1") = "5"
    & skf21("6","6","4","2","6","4","5","1") = "5"
    & skf21("6","6","4","2","6","4","6","1") = "5"
    & skf21("6","6","4","2","6","4","7","1") = "6"
    & skf21("6","6","4","2","6","5","1","1") = "5"
    & skf21("6","6","4","2","6","5","2","1") = "5"
    & skf21("6","6","4","2","6","5","3","1") = "5"
    & skf21("6","6","4","2","6","5","4","1") = "5"
    & skf21("6","6","4","2","6","5","5","1") = "5"
    & skf21("6","6","4","2","6","5","6","1") = "5"
    & skf21("6","6","4","2","6","5","7","1") = "6"
    & skf21("6","6","4","2","6","6","1","1") = "5"
    & skf21("6","6","4","2","6","6","2","1") = "5"
    & skf21("6","6","4","2","6","6","3","1") = "5"
    & skf21("6","6","4","2","6","6","4","1") = "5"
    & skf21("6","6","4","2","6","6","5","1") = "5"
    & skf21("6","6","4","2","6","6","6","1") = "5"
    & skf21("6","6","4","2","6","6","7","1") = "6"
    & skf21("6","6","4","2","6","7","1","1") = "6"
    & skf21("6","6","4","2","6","7","2","1") = "6"
    & skf21("6","6","4","2","6","7","3","1") = "6"
    & skf21("6","6","4","2","6","7","4","1") = "6"
    & skf21("6","6","4","2","6","7","5","1") = "6"
    & skf21("6","6","4","2","6","7","6","1") = "6"
    & skf21("6","6","4","2","6","7","7","1") = "6"
    & skf21("6","6","4","2","7","1","1","1") = "6"
    & skf21("6","6","4","2","7","1","2","1") = "6"
    & skf21("6","6","4","2","7","1","3","1") = "6"
    & skf21("6","6","4","2","7","1","4","1") = "6"
    & skf21("6","6","4","2","7","1","5","1") = "6"
    & skf21("6","6","4","2","7","1","6","1") = "6"
    & skf21("6","6","4","2","7","1","7","1") = "6"
    & skf21("6","6","4","2","7","2","1","1") = "6"
    & skf21("6","6","4","2","7","2","2","1") = "6"
    & skf21("6","6","4","2","7","2","3","1") = "6"
    & skf21("6","6","4","2","7","2","4","1") = "6"
    & skf21("6","6","4","2","7","2","5","1") = "6"
    & skf21("6","6","4","2","7","2","6","1") = "6"
    & skf21("6","6","4","2","7","2","7","1") = "6"
    & skf21("6","6","4","2","7","3","1","1") = "6"
    & skf21("6","6","4","2","7","3","2","1") = "6"
    & skf21("6","6","4","2","7","3","3","1") = "6"
    & skf21("6","6","4","2","7","3","4","1") = "6"
    & skf21("6","6","4","2","7","3","5","1") = "6"
    & skf21("6","6","4","2","7","3","6","1") = "6"
    & skf21("6","6","4","2","7","3","7","1") = "6"
    & skf21("6","6","4","2","7","4","1","1") = "6"
    & skf21("6","6","4","2","7","4","2","1") = "6"
    & skf21("6","6","4","2","7","4","3","1") = "6"
    & skf21("6","6","4","2","7","4","4","1") = "6"
    & skf21("6","6","4","2","7","4","5","1") = "6"
    & skf21("6","6","4","2","7","4","6","1") = "6"
    & skf21("6","6","4","2","7","4","7","1") = "6"
    & skf21("6","6","4","2","7","5","1","1") = "6"
    & skf21("6","6","4","2","7","5","2","1") = "6"
    & skf21("6","6","4","2","7","5","3","1") = "6"
    & skf21("6","6","4","2","7","5","4","1") = "6"
    & skf21("6","6","4","2","7","5","5","1") = "6"
    & skf21("6","6","4","2","7","5","6","1") = "6"
    & skf21("6","6","4","2","7","5","7","1") = "6"
    & skf21("6","6","4","2","7","6","1","1") = "6"
    & skf21("6","6","4","2","7","6","2","1") = "6"
    & skf21("6","6","4","2","7","6","3","1") = "6"
    & skf21("6","6","4","2","7","6","4","1") = "6"
    & skf21("6","6","4","2","7","6","5","1") = "6"
    & skf21("6","6","4","2","7","6","6","1") = "6"
    & skf21("6","6","4","2","7","6","7","1") = "6"
    & skf21("6","6","4","2","7","7","1","1") = "6"
    & skf21("6","6","4","2","7","7","2","1") = "6"
    & skf21("6","6","4","2","7","7","3","1") = "6"
    & skf21("6","6","4","2","7","7","4","1") = "6"
    & skf21("6","6","4","2","7","7","5","1") = "6"
    & skf21("6","6","4","2","7","7","6","1") = "6"
    & skf21("6","6","4","2","7","7","7","1") = "6"
    & skf21("6","6","4","3","1","1","1","1") = "5"
    & skf21("6","6","4","3","1","1","2","1") = "5"
    & skf21("6","6","4","3","1","1","3","1") = "5"
    & skf21("6","6","4","3","1","1","4","1") = "5"
    & skf21("6","6","4","3","1","1","5","1") = "5"
    & skf21("6","6","4","3","1","1","6","1") = "5"
    & skf21("6","6","4","3","1","1","7","1") = "6"
    & skf21("6","6","4","3","1","2","1","1") = "5"
    & skf21("6","6","4","3","1","2","2","1") = "5"
    & skf21("6","6","4","3","1","2","3","1") = "5"
    & skf21("6","6","4","3","1","2","4","1") = "5"
    & skf21("6","6","4","3","1","2","5","1") = "5"
    & skf21("6","6","4","3","1","2","6","1") = "5"
    & skf21("6","6","4","3","1","2","7","1") = "6"
    & skf21("6","6","4","3","1","3","1","1") = "5"
    & skf21("6","6","4","3","1","3","2","1") = "5"
    & skf21("6","6","4","3","1","3","3","1") = "5"
    & skf21("6","6","4","3","1","3","4","1") = "5"
    & skf21("6","6","4","3","1","3","5","1") = "5"
    & skf21("6","6","4","3","1","3","6","1") = "5"
    & skf21("6","6","4","3","1","3","7","1") = "6"
    & skf21("6","6","4","3","1","4","1","1") = "5"
    & skf21("6","6","4","3","1","4","2","1") = "5"
    & skf21("6","6","4","3","1","4","3","1") = "5"
    & skf21("6","6","4","3","1","4","4","1") = "5"
    & skf21("6","6","4","3","1","4","5","1") = "5"
    & skf21("6","6","4","3","1","4","6","1") = "5"
    & skf21("6","6","4","3","1","4","7","1") = "6"
    & skf21("6","6","4","3","1","5","1","1") = "5"
    & skf21("6","6","4","3","1","5","2","1") = "5"
    & skf21("6","6","4","3","1","5","3","1") = "5"
    & skf21("6","6","4","3","1","5","4","1") = "5"
    & skf21("6","6","4","3","1","5","5","1") = "5"
    & skf21("6","6","4","3","1","5","6","1") = "5"
    & skf21("6","6","4","3","1","5","7","1") = "6"
    & skf21("6","6","4","3","1","6","1","1") = "5"
    & skf21("6","6","4","3","1","6","2","1") = "5"
    & skf21("6","6","4","3","1","6","3","1") = "5"
    & skf21("6","6","4","3","1","6","4","1") = "5"
    & skf21("6","6","4","3","1","6","5","1") = "5"
    & skf21("6","6","4","3","1","6","6","1") = "5"
    & skf21("6","6","4","3","1","6","7","1") = "6"
    & skf21("6","6","4","3","1","7","1","1") = "6"
    & skf21("6","6","4","3","1","7","2","1") = "6"
    & skf21("6","6","4","3","1","7","3","1") = "6"
    & skf21("6","6","4","3","1","7","4","1") = "6"
    & skf21("6","6","4","3","1","7","5","1") = "6"
    & skf21("6","6","4","3","1","7","6","1") = "6"
    & skf21("6","6","4","3","1","7","7","1") = "6"
    & skf21("6","6","4","3","2","1","1","1") = "5"
    & skf21("6","6","4","3","2","1","2","1") = "5"
    & skf21("6","6","4","3","2","1","3","1") = "5"
    & skf21("6","6","4","3","2","1","4","1") = "5"
    & skf21("6","6","4","3","2","1","5","1") = "5"
    & skf21("6","6","4","3","2","1","6","1") = "5"
    & skf21("6","6","4","3","2","1","7","1") = "6"
    & skf21("6","6","4","3","2","2","1","1") = "5"
    & skf21("6","6","4","3","2","2","2","1") = "5"
    & skf21("6","6","4","3","2","2","3","1") = "5"
    & skf21("6","6","4","3","2","2","4","1") = "5"
    & skf21("6","6","4","3","2","2","5","1") = "5"
    & skf21("6","6","4","3","2","2","6","1") = "5"
    & skf21("6","6","4","3","2","2","7","1") = "6"
    & skf21("6","6","4","3","2","3","1","1") = "5"
    & skf21("6","6","4","3","2","3","2","1") = "5"
    & skf21("6","6","4","3","2","3","3","1") = "5"
    & skf21("6","6","4","3","2","3","4","1") = "5"
    & skf21("6","6","4","3","2","3","5","1") = "5"
    & skf21("6","6","4","3","2","3","6","1") = "5"
    & skf21("6","6","4","3","2","3","7","1") = "6"
    & skf21("6","6","4","3","2","4","1","1") = "5"
    & skf21("6","6","4","3","2","4","2","1") = "5"
    & skf21("6","6","4","3","2","4","3","1") = "5"
    & skf21("6","6","4","3","2","4","4","1") = "5"
    & skf21("6","6","4","3","2","4","5","1") = "5"
    & skf21("6","6","4","3","2","4","6","1") = "5"
    & skf21("6","6","4","3","2","4","7","1") = "6"
    & skf21("6","6","4","3","2","5","1","1") = "5"
    & skf21("6","6","4","3","2","5","2","1") = "5"
    & skf21("6","6","4","3","2","5","3","1") = "5"
    & skf21("6","6","4","3","2","5","4","1") = "5"
    & skf21("6","6","4","3","2","5","5","1") = "5"
    & skf21("6","6","4","3","2","5","6","1") = "5"
    & skf21("6","6","4","3","2","5","7","1") = "6"
    & skf21("6","6","4","3","2","6","1","1") = "5"
    & skf21("6","6","4","3","2","6","2","1") = "5"
    & skf21("6","6","4","3","2","6","3","1") = "5"
    & skf21("6","6","4","3","2","6","4","1") = "5"
    & skf21("6","6","4","3","2","6","5","1") = "5"
    & skf21("6","6","4","3","2","6","6","1") = "5"
    & skf21("6","6","4","3","2","6","7","1") = "6"
    & skf21("6","6","4","3","2","7","1","1") = "6"
    & skf21("6","6","4","3","2","7","2","1") = "6"
    & skf21("6","6","4","3","2","7","3","1") = "6"
    & skf21("6","6","4","3","2","7","4","1") = "6"
    & skf21("6","6","4","3","2","7","5","1") = "6"
    & skf21("6","6","4","3","2","7","6","1") = "6"
    & skf21("6","6","4","3","2","7","7","1") = "6"
    & skf21("6","6","4","3","3","1","1","1") = "5"
    & skf21("6","6","4","3","3","1","2","1") = "5"
    & skf21("6","6","4","3","3","1","3","1") = "5"
    & skf21("6","6","4","3","3","1","4","1") = "5"
    & skf21("6","6","4","3","3","1","5","1") = "5"
    & skf21("6","6","4","3","3","1","6","1") = "5"
    & skf21("6","6","4","3","3","1","7","1") = "6"
    & skf21("6","6","4","3","3","2","1","1") = "5"
    & skf21("6","6","4","3","3","2","2","1") = "5"
    & skf21("6","6","4","3","3","2","3","1") = "5"
    & skf21("6","6","4","3","3","2","4","1") = "5"
    & skf21("6","6","4","3","3","2","5","1") = "5"
    & skf21("6","6","4","3","3","2","6","1") = "5"
    & skf21("6","6","4","3","3","2","7","1") = "6"
    & skf21("6","6","4","3","3","3","1","1") = "5"
    & skf21("6","6","4","3","3","3","2","1") = "5"
    & skf21("6","6","4","3","3","3","3","1") = "5"
    & skf21("6","6","4","3","3","3","4","1") = "5"
    & skf21("6","6","4","3","3","3","5","1") = "5"
    & skf21("6","6","4","3","3","3","6","1") = "5"
    & skf21("6","6","4","3","3","3","7","1") = "6"
    & skf21("6","6","4","3","3","4","1","1") = "5"
    & skf21("6","6","4","3","3","4","2","1") = "5"
    & skf21("6","6","4","3","3","4","3","1") = "5"
    & skf21("6","6","4","3","3","4","4","1") = "5"
    & skf21("6","6","4","3","3","4","5","1") = "5"
    & skf21("6","6","4","3","3","4","6","1") = "5"
    & skf21("6","6","4","3","3","4","7","1") = "6"
    & skf21("6","6","4","3","3","5","1","1") = "5"
    & skf21("6","6","4","3","3","5","2","1") = "5"
    & skf21("6","6","4","3","3","5","3","1") = "5"
    & skf21("6","6","4","3","3","5","4","1") = "5"
    & skf21("6","6","4","3","3","5","5","1") = "5"
    & skf21("6","6","4","3","3","5","6","1") = "5"
    & skf21("6","6","4","3","3","5","7","1") = "6"
    & skf21("6","6","4","3","3","6","1","1") = "5"
    & skf21("6","6","4","3","3","6","2","1") = "5"
    & skf21("6","6","4","3","3","6","3","1") = "5"
    & skf21("6","6","4","3","3","6","4","1") = "5"
    & skf21("6","6","4","3","3","6","5","1") = "5"
    & skf21("6","6","4","3","3","6","6","1") = "5"
    & skf21("6","6","4","3","3","6","7","1") = "6"
    & skf21("6","6","4","3","3","7","1","1") = "6"
    & skf21("6","6","4","3","3","7","2","1") = "6"
    & skf21("6","6","4","3","3","7","3","1") = "6"
    & skf21("6","6","4","3","3","7","4","1") = "6"
    & skf21("6","6","4","3","3","7","5","1") = "6"
    & skf21("6","6","4","3","3","7","6","1") = "6"
    & skf21("6","6","4","3","3","7","7","1") = "6"
    & skf21("6","6","4","3","4","1","1","1") = "5"
    & skf21("6","6","4","3","4","1","2","1") = "5"
    & skf21("6","6","4","3","4","1","3","1") = "5"
    & skf21("6","6","4","3","4","1","4","1") = "5"
    & skf21("6","6","4","3","4","1","5","1") = "5"
    & skf21("6","6","4","3","4","1","6","1") = "5"
    & skf21("6","6","4","3","4","1","7","1") = "6"
    & skf21("6","6","4","3","4","2","1","1") = "5"
    & skf21("6","6","4","3","4","2","2","1") = "5"
    & skf21("6","6","4","3","4","2","3","1") = "5"
    & skf21("6","6","4","3","4","2","4","1") = "5"
    & skf21("6","6","4","3","4","2","5","1") = "5"
    & skf21("6","6","4","3","4","2","6","1") = "5"
    & skf21("6","6","4","3","4","2","7","1") = "6"
    & skf21("6","6","4","3","4","3","1","1") = "5"
    & skf21("6","6","4","3","4","3","2","1") = "5"
    & skf21("6","6","4","3","4","3","3","1") = "5"
    & skf21("6","6","4","3","4","3","4","1") = "5"
    & skf21("6","6","4","3","4","3","5","1") = "5"
    & skf21("6","6","4","3","4","3","6","1") = "5"
    & skf21("6","6","4","3","4","3","7","1") = "6"
    & skf21("6","6","4","3","4","4","1","1") = "5"
    & skf21("6","6","4","3","4","4","2","1") = "5"
    & skf21("6","6","4","3","4","4","3","1") = "5"
    & skf21("6","6","4","3","4","4","4","1") = "5"
    & skf21("6","6","4","3","4","4","5","1") = "5"
    & skf21("6","6","4","3","4","4","6","1") = "5"
    & skf21("6","6","4","3","4","4","7","1") = "6"
    & skf21("6","6","4","3","4","5","1","1") = "5"
    & skf21("6","6","4","3","4","5","2","1") = "5"
    & skf21("6","6","4","3","4","5","3","1") = "5"
    & skf21("6","6","4","3","4","5","4","1") = "5"
    & skf21("6","6","4","3","4","5","5","1") = "5"
    & skf21("6","6","4","3","4","5","6","1") = "5"
    & skf21("6","6","4","3","4","5","7","1") = "6"
    & skf21("6","6","4","3","4","6","1","1") = "5"
    & skf21("6","6","4","3","4","6","2","1") = "5"
    & skf21("6","6","4","3","4","6","3","1") = "5"
    & skf21("6","6","4","3","4","6","4","1") = "5"
    & skf21("6","6","4","3","4","6","5","1") = "5"
    & skf21("6","6","4","3","4","6","6","1") = "5"
    & skf21("6","6","4","3","4","6","7","1") = "6"
    & skf21("6","6","4","3","4","7","1","1") = "6"
    & skf21("6","6","4","3","4","7","2","1") = "6"
    & skf21("6","6","4","3","4","7","3","1") = "6"
    & skf21("6","6","4","3","4","7","4","1") = "6"
    & skf21("6","6","4","3","4","7","5","1") = "6"
    & skf21("6","6","4","3","4","7","6","1") = "6"
    & skf21("6","6","4","3","4","7","7","1") = "6"
    & skf21("6","6","4","3","5","1","1","1") = "5"
    & skf21("6","6","4","3","5","1","2","1") = "5"
    & skf21("6","6","4","3","5","1","3","1") = "5"
    & skf21("6","6","4","3","5","1","4","1") = "5"
    & skf21("6","6","4","3","5","1","5","1") = "5"
    & skf21("6","6","4","3","5","1","6","1") = "5"
    & skf21("6","6","4","3","5","1","7","1") = "6"
    & skf21("6","6","4","3","5","2","1","1") = "5"
    & skf21("6","6","4","3","5","2","2","1") = "5"
    & skf21("6","6","4","3","5","2","3","1") = "5"
    & skf21("6","6","4","3","5","2","4","1") = "5"
    & skf21("6","6","4","3","5","2","5","1") = "5"
    & skf21("6","6","4","3","5","2","6","1") = "5"
    & skf21("6","6","4","3","5","2","7","1") = "6"
    & skf21("6","6","4","3","5","3","1","1") = "5"
    & skf21("6","6","4","3","5","3","2","1") = "5"
    & skf21("6","6","4","3","5","3","3","1") = "5"
    & skf21("6","6","4","3","5","3","4","1") = "5"
    & skf21("6","6","4","3","5","3","5","1") = "5"
    & skf21("6","6","4","3","5","3","6","1") = "5"
    & skf21("6","6","4","3","5","3","7","1") = "6"
    & skf21("6","6","4","3","5","4","1","1") = "5"
    & skf21("6","6","4","3","5","4","2","1") = "5"
    & skf21("6","6","4","3","5","4","3","1") = "5"
    & skf21("6","6","4","3","5","4","4","1") = "5"
    & skf21("6","6","4","3","5","4","5","1") = "5"
    & skf21("6","6","4","3","5","4","6","1") = "5"
    & skf21("6","6","4","3","5","4","7","1") = "6"
    & skf21("6","6","4","3","5","5","1","1") = "5"
    & skf21("6","6","4","3","5","5","2","1") = "5"
    & skf21("6","6","4","3","5","5","3","1") = "5"
    & skf21("6","6","4","3","5","5","4","1") = "5"
    & skf21("6","6","4","3","5","5","5","1") = "5"
    & skf21("6","6","4","3","5","5","6","1") = "5"
    & skf21("6","6","4","3","5","5","7","1") = "6"
    & skf21("6","6","4","3","5","6","1","1") = "5"
    & skf21("6","6","4","3","5","6","2","1") = "5"
    & skf21("6","6","4","3","5","6","3","1") = "5"
    & skf21("6","6","4","3","5","6","4","1") = "5"
    & skf21("6","6","4","3","5","6","5","1") = "5"
    & skf21("6","6","4","3","5","6","6","1") = "5"
    & skf21("6","6","4","3","5","6","7","1") = "6"
    & skf21("6","6","4","3","5","7","1","1") = "6"
    & skf21("6","6","4","3","5","7","2","1") = "6"
    & skf21("6","6","4","3","5","7","3","1") = "6"
    & skf21("6","6","4","3","5","7","4","1") = "6"
    & skf21("6","6","4","3","5","7","5","1") = "6"
    & skf21("6","6","4","3","5","7","6","1") = "6"
    & skf21("6","6","4","3","5","7","7","1") = "6"
    & skf21("6","6","4","3","6","1","1","1") = "5"
    & skf21("6","6","4","3","6","1","2","1") = "5"
    & skf21("6","6","4","3","6","1","3","1") = "5"
    & skf21("6","6","4","3","6","1","4","1") = "5"
    & skf21("6","6","4","3","6","1","5","1") = "5"
    & skf21("6","6","4","3","6","1","6","1") = "5"
    & skf21("6","6","4","3","6","1","7","1") = "6"
    & skf21("6","6","4","3","6","2","1","1") = "5"
    & skf21("6","6","4","3","6","2","2","1") = "5"
    & skf21("6","6","4","3","6","2","3","1") = "5"
    & skf21("6","6","4","3","6","2","4","1") = "5"
    & skf21("6","6","4","3","6","2","5","1") = "5"
    & skf21("6","6","4","3","6","2","6","1") = "5"
    & skf21("6","6","4","3","6","2","7","1") = "6"
    & skf21("6","6","4","3","6","3","1","1") = "5"
    & skf21("6","6","4","3","6","3","2","1") = "5"
    & skf21("6","6","4","3","6","3","3","1") = "5"
    & skf21("6","6","4","3","6","3","4","1") = "5"
    & skf21("6","6","4","3","6","3","5","1") = "5"
    & skf21("6","6","4","3","6","3","6","1") = "5"
    & skf21("6","6","4","3","6","3","7","1") = "6"
    & skf21("6","6","4","3","6","4","1","1") = "5"
    & skf21("6","6","4","3","6","4","2","1") = "5"
    & skf21("6","6","4","3","6","4","3","1") = "5"
    & skf21("6","6","4","3","6","4","4","1") = "5"
    & skf21("6","6","4","3","6","4","5","1") = "5"
    & skf21("6","6","4","3","6","4","6","1") = "5"
    & skf21("6","6","4","3","6","4","7","1") = "6"
    & skf21("6","6","4","3","6","5","1","1") = "5"
    & skf21("6","6","4","3","6","5","2","1") = "5"
    & skf21("6","6","4","3","6","5","3","1") = "5"
    & skf21("6","6","4","3","6","5","4","1") = "5"
    & skf21("6","6","4","3","6","5","5","1") = "5"
    & skf21("6","6","4","3","6","5","6","1") = "5"
    & skf21("6","6","4","3","6","5","7","1") = "6"
    & skf21("6","6","4","3","6","6","1","1") = "5"
    & skf21("6","6","4","3","6","6","2","1") = "5"
    & skf21("6","6","4","3","6","6","3","1") = "5"
    & skf21("6","6","4","3","6","6","4","1") = "5"
    & skf21("6","6","4","3","6","6","5","1") = "5"
    & skf21("6","6","4","3","6","6","6","1") = "5"
    & skf21("6","6","4","3","6","6","7","1") = "6"
    & skf21("6","6","4","3","6","7","1","1") = "6"
    & skf21("6","6","4","3","6","7","2","1") = "6"
    & skf21("6","6","4","3","6","7","3","1") = "6"
    & skf21("6","6","4","3","6","7","4","1") = "6"
    & skf21("6","6","4","3","6","7","5","1") = "6"
    & skf21("6","6","4","3","6","7","6","1") = "6"
    & skf21("6","6","4","3","6","7","7","1") = "6"
    & skf21("6","6","4","3","7","1","1","1") = "6"
    & skf21("6","6","4","3","7","1","2","1") = "6"
    & skf21("6","6","4","3","7","1","3","1") = "6"
    & skf21("6","6","4","3","7","1","4","1") = "6"
    & skf21("6","6","4","3","7","1","5","1") = "6"
    & skf21("6","6","4","3","7","1","6","1") = "6"
    & skf21("6","6","4","3","7","1","7","1") = "6"
    & skf21("6","6","4","3","7","2","1","1") = "6"
    & skf21("6","6","4","3","7","2","2","1") = "6"
    & skf21("6","6","4","3","7","2","3","1") = "6"
    & skf21("6","6","4","3","7","2","4","1") = "6"
    & skf21("6","6","4","3","7","2","5","1") = "6"
    & skf21("6","6","4","3","7","2","6","1") = "6"
    & skf21("6","6","4","3","7","2","7","1") = "6"
    & skf21("6","6","4","3","7","3","1","1") = "6"
    & skf21("6","6","4","3","7","3","2","1") = "6"
    & skf21("6","6","4","3","7","3","3","1") = "6"
    & skf21("6","6","4","3","7","3","4","1") = "6"
    & skf21("6","6","4","3","7","3","5","1") = "6"
    & skf21("6","6","4","3","7","3","6","1") = "6"
    & skf21("6","6","4","3","7","3","7","1") = "6"
    & skf21("6","6","4","3","7","4","1","1") = "6"
    & skf21("6","6","4","3","7","4","2","1") = "6"
    & skf21("6","6","4","3","7","4","3","1") = "6"
    & skf21("6","6","4","3","7","4","4","1") = "6"
    & skf21("6","6","4","3","7","4","5","1") = "6"
    & skf21("6","6","4","3","7","4","6","1") = "6"
    & skf21("6","6","4","3","7","4","7","1") = "6"
    & skf21("6","6","4","3","7","5","1","1") = "6"
    & skf21("6","6","4","3","7","5","2","1") = "6"
    & skf21("6","6","4","3","7","5","3","1") = "6"
    & skf21("6","6","4","3","7","5","4","1") = "6"
    & skf21("6","6","4","3","7","5","5","1") = "6"
    & skf21("6","6","4","3","7","5","6","1") = "6"
    & skf21("6","6","4","3","7","5","7","1") = "6"
    & skf21("6","6","4","3","7","6","1","1") = "6"
    & skf21("6","6","4","3","7","6","2","1") = "6"
    & skf21("6","6","4","3","7","6","3","1") = "6"
    & skf21("6","6","4","3","7","6","4","1") = "6"
    & skf21("6","6","4","3","7","6","5","1") = "6"
    & skf21("6","6","4","3","7","6","6","1") = "6"
    & skf21("6","6","4","3","7","6","7","1") = "6"
    & skf21("6","6","4","3","7","7","1","1") = "6"
    & skf21("6","6","4","3","7","7","2","1") = "6"
    & skf21("6","6","4","3","7","7","3","1") = "6"
    & skf21("6","6","4","3","7","7","4","1") = "6"
    & skf21("6","6","4","3","7","7","5","1") = "6"
    & skf21("6","6","4","3","7","7","6","1") = "6"
    & skf21("6","6","4","3","7","7","7","1") = "6"
    & skf21("6","6","4","4","1","1","1","1") = "5"
    & skf21("6","6","4","4","1","1","2","1") = "5"
    & skf21("6","6","4","4","1","1","3","1") = "5"
    & skf21("6","6","4","4","1","1","4","1") = "5"
    & skf21("6","6","4","4","1","1","5","1") = "5"
    & skf21("6","6","4","4","1","1","6","1") = "5"
    & skf21("6","6","4","4","1","1","7","1") = "6"
    & skf21("6","6","4","4","1","2","1","1") = "5"
    & skf21("6","6","4","4","1","2","2","1") = "5"
    & skf21("6","6","4","4","1","2","3","1") = "5"
    & skf21("6","6","4","4","1","2","4","1") = "5"
    & skf21("6","6","4","4","1","2","5","1") = "5"
    & skf21("6","6","4","4","1","2","6","1") = "5"
    & skf21("6","6","4","4","1","2","7","1") = "6"
    & skf21("6","6","4","4","1","3","1","1") = "5"
    & skf21("6","6","4","4","1","3","2","1") = "5"
    & skf21("6","6","4","4","1","3","3","1") = "5"
    & skf21("6","6","4","4","1","3","4","1") = "5"
    & skf21("6","6","4","4","1","3","5","1") = "5"
    & skf21("6","6","4","4","1","3","6","1") = "5"
    & skf21("6","6","4","4","1","3","7","1") = "6"
    & skf21("6","6","4","4","1","4","1","1") = "5"
    & skf21("6","6","4","4","1","4","2","1") = "5"
    & skf21("6","6","4","4","1","4","3","1") = "5"
    & skf21("6","6","4","4","1","4","4","1") = "5"
    & skf21("6","6","4","4","1","4","5","1") = "5"
    & skf21("6","6","4","4","1","4","6","1") = "5"
    & skf21("6","6","4","4","1","4","7","1") = "6"
    & skf21("6","6","4","4","1","5","1","1") = "5"
    & skf21("6","6","4","4","1","5","2","1") = "5"
    & skf21("6","6","4","4","1","5","3","1") = "5"
    & skf21("6","6","4","4","1","5","4","1") = "5"
    & skf21("6","6","4","4","1","5","5","1") = "5"
    & skf21("6","6","4","4","1","5","6","1") = "5"
    & skf21("6","6","4","4","1","5","7","1") = "6"
    & skf21("6","6","4","4","1","6","1","1") = "5"
    & skf21("6","6","4","4","1","6","2","1") = "5"
    & skf21("6","6","4","4","1","6","3","1") = "5"
    & skf21("6","6","4","4","1","6","4","1") = "5"
    & skf21("6","6","4","4","1","6","5","1") = "5"
    & skf21("6","6","4","4","1","6","6","1") = "5"
    & skf21("6","6","4","4","1","6","7","1") = "6"
    & skf21("6","6","4","4","1","7","1","1") = "6"
    & skf21("6","6","4","4","1","7","2","1") = "6"
    & skf21("6","6","4","4","1","7","3","1") = "6"
    & skf21("6","6","4","4","1","7","4","1") = "6"
    & skf21("6","6","4","4","1","7","5","1") = "6"
    & skf21("6","6","4","4","1","7","6","1") = "6"
    & skf21("6","6","4","4","1","7","7","1") = "6"
    & skf21("6","6","4","4","2","1","1","1") = "5"
    & skf21("6","6","4","4","2","1","2","1") = "5"
    & skf21("6","6","4","4","2","1","3","1") = "5"
    & skf21("6","6","4","4","2","1","4","1") = "5"
    & skf21("6","6","4","4","2","1","5","1") = "5"
    & skf21("6","6","4","4","2","1","6","1") = "5"
    & skf21("6","6","4","4","2","1","7","1") = "6"
    & skf21("6","6","4","4","2","2","1","1") = "5"
    & skf21("6","6","4","4","2","2","2","1") = "5"
    & skf21("6","6","4","4","2","2","3","1") = "5"
    & skf21("6","6","4","4","2","2","4","1") = "5"
    & skf21("6","6","4","4","2","2","5","1") = "5"
    & skf21("6","6","4","4","2","2","6","1") = "5"
    & skf21("6","6","4","4","2","2","7","1") = "6"
    & skf21("6","6","4","4","2","3","1","1") = "5"
    & skf21("6","6","4","4","2","3","2","1") = "5"
    & skf21("6","6","4","4","2","3","3","1") = "5"
    & skf21("6","6","4","4","2","3","4","1") = "5"
    & skf21("6","6","4","4","2","3","5","1") = "5"
    & skf21("6","6","4","4","2","3","6","1") = "5"
    & skf21("6","6","4","4","2","3","7","1") = "6"
    & skf21("6","6","4","4","2","4","1","1") = "5"
    & skf21("6","6","4","4","2","4","2","1") = "5"
    & skf21("6","6","4","4","2","4","3","1") = "5"
    & skf21("6","6","4","4","2","4","4","1") = "5"
    & skf21("6","6","4","4","2","4","5","1") = "5"
    & skf21("6","6","4","4","2","4","6","1") = "5"
    & skf21("6","6","4","4","2","4","7","1") = "6"
    & skf21("6","6","4","4","2","5","1","1") = "5"
    & skf21("6","6","4","4","2","5","2","1") = "5"
    & skf21("6","6","4","4","2","5","3","1") = "5"
    & skf21("6","6","4","4","2","5","4","1") = "5"
    & skf21("6","6","4","4","2","5","5","1") = "5"
    & skf21("6","6","4","4","2","5","6","1") = "5"
    & skf21("6","6","4","4","2","5","7","1") = "6"
    & skf21("6","6","4","4","2","6","1","1") = "5"
    & skf21("6","6","4","4","2","6","2","1") = "5"
    & skf21("6","6","4","4","2","6","3","1") = "5"
    & skf21("6","6","4","4","2","6","4","1") = "5"
    & skf21("6","6","4","4","2","6","5","1") = "5"
    & skf21("6","6","4","4","2","6","6","1") = "5"
    & skf21("6","6","4","4","2","6","7","1") = "6"
    & skf21("6","6","4","4","2","7","1","1") = "6"
    & skf21("6","6","4","4","2","7","2","1") = "6"
    & skf21("6","6","4","4","2","7","3","1") = "6"
    & skf21("6","6","4","4","2","7","4","1") = "6"
    & skf21("6","6","4","4","2","7","5","1") = "6"
    & skf21("6","6","4","4","2","7","6","1") = "6"
    & skf21("6","6","4","4","2","7","7","1") = "6"
    & skf21("6","6","4","4","3","1","1","1") = "5"
    & skf21("6","6","4","4","3","1","2","1") = "5"
    & skf21("6","6","4","4","3","1","3","1") = "5"
    & skf21("6","6","4","4","3","1","4","1") = "5"
    & skf21("6","6","4","4","3","1","5","1") = "5"
    & skf21("6","6","4","4","3","1","6","1") = "5"
    & skf21("6","6","4","4","3","1","7","1") = "6"
    & skf21("6","6","4","4","3","2","1","1") = "5"
    & skf21("6","6","4","4","3","2","2","1") = "5"
    & skf21("6","6","4","4","3","2","3","1") = "5"
    & skf21("6","6","4","4","3","2","4","1") = "5"
    & skf21("6","6","4","4","3","2","5","1") = "5"
    & skf21("6","6","4","4","3","2","6","1") = "5"
    & skf21("6","6","4","4","3","2","7","1") = "6"
    & skf21("6","6","4","4","3","3","1","1") = "5"
    & skf21("6","6","4","4","3","3","2","1") = "5"
    & skf21("6","6","4","4","3","3","3","1") = "5"
    & skf21("6","6","4","4","3","3","4","1") = "5"
    & skf21("6","6","4","4","3","3","5","1") = "5"
    & skf21("6","6","4","4","3","3","6","1") = "5"
    & skf21("6","6","4","4","3","3","7","1") = "6"
    & skf21("6","6","4","4","3","4","1","1") = "5"
    & skf21("6","6","4","4","3","4","2","1") = "5"
    & skf21("6","6","4","4","3","4","3","1") = "5"
    & skf21("6","6","4","4","3","4","4","1") = "5"
    & skf21("6","6","4","4","3","4","5","1") = "5"
    & skf21("6","6","4","4","3","4","6","1") = "5"
    & skf21("6","6","4","4","3","4","7","1") = "6"
    & skf21("6","6","4","4","3","5","1","1") = "5"
    & skf21("6","6","4","4","3","5","2","1") = "5"
    & skf21("6","6","4","4","3","5","3","1") = "5"
    & skf21("6","6","4","4","3","5","4","1") = "5"
    & skf21("6","6","4","4","3","5","5","1") = "5"
    & skf21("6","6","4","4","3","5","6","1") = "5"
    & skf21("6","6","4","4","3","5","7","1") = "6"
    & skf21("6","6","4","4","3","6","1","1") = "5"
    & skf21("6","6","4","4","3","6","2","1") = "5"
    & skf21("6","6","4","4","3","6","3","1") = "5"
    & skf21("6","6","4","4","3","6","4","1") = "5"
    & skf21("6","6","4","4","3","6","5","1") = "5"
    & skf21("6","6","4","4","3","6","6","1") = "5"
    & skf21("6","6","4","4","3","6","7","1") = "6"
    & skf21("6","6","4","4","3","7","1","1") = "6"
    & skf21("6","6","4","4","3","7","2","1") = "6"
    & skf21("6","6","4","4","3","7","3","1") = "6"
    & skf21("6","6","4","4","3","7","4","1") = "6"
    & skf21("6","6","4","4","3","7","5","1") = "6"
    & skf21("6","6","4","4","3","7","6","1") = "6"
    & skf21("6","6","4","4","3","7","7","1") = "6"
    & skf21("6","6","4","4","4","1","1","1") = "5"
    & skf21("6","6","4","4","4","1","2","1") = "5"
    & skf21("6","6","4","4","4","1","3","1") = "5"
    & skf21("6","6","4","4","4","1","4","1") = "5"
    & skf21("6","6","4","4","4","1","5","1") = "5"
    & skf21("6","6","4","4","4","1","6","1") = "5"
    & skf21("6","6","4","4","4","1","7","1") = "6"
    & skf21("6","6","4","4","4","2","1","1") = "5"
    & skf21("6","6","4","4","4","2","2","1") = "5"
    & skf21("6","6","4","4","4","2","3","1") = "5"
    & skf21("6","6","4","4","4","2","4","1") = "5"
    & skf21("6","6","4","4","4","2","5","1") = "5"
    & skf21("6","6","4","4","4","2","6","1") = "5"
    & skf21("6","6","4","4","4","2","7","1") = "6"
    & skf21("6","6","4","4","4","3","1","1") = "5"
    & skf21("6","6","4","4","4","3","2","1") = "5"
    & skf21("6","6","4","4","4","3","3","1") = "5"
    & skf21("6","6","4","4","4","3","4","1") = "5"
    & skf21("6","6","4","4","4","3","5","1") = "5"
    & skf21("6","6","4","4","4","3","6","1") = "5"
    & skf21("6","6","4","4","4","3","7","1") = "6"
    & skf21("6","6","4","4","4","4","1","1") = "5"
    & skf21("6","6","4","4","4","4","2","1") = "5"
    & skf21("6","6","4","4","4","4","3","1") = "5"
    & skf21("6","6","4","4","4","4","4","1") = "5"
    & skf21("6","6","4","4","4","4","5","1") = "5"
    & skf21("6","6","4","4","4","4","6","1") = "5"
    & skf21("6","6","4","4","4","4","7","1") = "6"
    & skf21("6","6","4","4","4","5","1","1") = "5"
    & skf21("6","6","4","4","4","5","2","1") = "5"
    & skf21("6","6","4","4","4","5","3","1") = "5"
    & skf21("6","6","4","4","4","5","4","1") = "5"
    & skf21("6","6","4","4","4","5","5","1") = "5"
    & skf21("6","6","4","4","4","5","6","1") = "5"
    & skf21("6","6","4","4","4","5","7","1") = "6"
    & skf21("6","6","4","4","4","6","1","1") = "5"
    & skf21("6","6","4","4","4","6","2","1") = "5"
    & skf21("6","6","4","4","4","6","3","1") = "5"
    & skf21("6","6","4","4","4","6","4","1") = "5"
    & skf21("6","6","4","4","4","6","5","1") = "5"
    & skf21("6","6","4","4","4","6","6","1") = "5"
    & skf21("6","6","4","4","4","6","7","1") = "6"
    & skf21("6","6","4","4","4","7","1","1") = "6"
    & skf21("6","6","4","4","4","7","2","1") = "6"
    & skf21("6","6","4","4","4","7","3","1") = "6"
    & skf21("6","6","4","4","4","7","4","1") = "6"
    & skf21("6","6","4","4","4","7","5","1") = "6"
    & skf21("6","6","4","4","4","7","6","1") = "6"
    & skf21("6","6","4","4","4","7","7","1") = "6"
    & skf21("6","6","4","4","5","1","1","1") = "5"
    & skf21("6","6","4","4","5","1","2","1") = "5"
    & skf21("6","6","4","4","5","1","3","1") = "5"
    & skf21("6","6","4","4","5","1","4","1") = "5"
    & skf21("6","6","4","4","5","1","5","1") = "5"
    & skf21("6","6","4","4","5","1","6","1") = "5"
    & skf21("6","6","4","4","5","1","7","1") = "6"
    & skf21("6","6","4","4","5","2","1","1") = "5"
    & skf21("6","6","4","4","5","2","2","1") = "5"
    & skf21("6","6","4","4","5","2","3","1") = "5"
    & skf21("6","6","4","4","5","2","4","1") = "5"
    & skf21("6","6","4","4","5","2","5","1") = "5"
    & skf21("6","6","4","4","5","2","6","1") = "5"
    & skf21("6","6","4","4","5","2","7","1") = "6"
    & skf21("6","6","4","4","5","3","1","1") = "5"
    & skf21("6","6","4","4","5","3","2","1") = "5"
    & skf21("6","6","4","4","5","3","3","1") = "5"
    & skf21("6","6","4","4","5","3","4","1") = "5"
    & skf21("6","6","4","4","5","3","5","1") = "5"
    & skf21("6","6","4","4","5","3","6","1") = "5"
    & skf21("6","6","4","4","5","3","7","1") = "6"
    & skf21("6","6","4","4","5","4","1","1") = "5"
    & skf21("6","6","4","4","5","4","2","1") = "5"
    & skf21("6","6","4","4","5","4","3","1") = "5"
    & skf21("6","6","4","4","5","4","4","1") = "5"
    & skf21("6","6","4","4","5","4","5","1") = "5"
    & skf21("6","6","4","4","5","4","6","1") = "5"
    & skf21("6","6","4","4","5","4","7","1") = "6"
    & skf21("6","6","4","4","5","5","1","1") = "5"
    & skf21("6","6","4","4","5","5","2","1") = "5"
    & skf21("6","6","4","4","5","5","3","1") = "5"
    & skf21("6","6","4","4","5","5","4","1") = "5"
    & skf21("6","6","4","4","5","5","5","1") = "5"
    & skf21("6","6","4","4","5","5","6","1") = "5"
    & skf21("6","6","4","4","5","5","7","1") = "6"
    & skf21("6","6","4","4","5","6","1","1") = "5"
    & skf21("6","6","4","4","5","6","2","1") = "5"
    & skf21("6","6","4","4","5","6","3","1") = "5"
    & skf21("6","6","4","4","5","6","4","1") = "5"
    & skf21("6","6","4","4","5","6","5","1") = "5"
    & skf21("6","6","4","4","5","6","6","1") = "5"
    & skf21("6","6","4","4","5","6","7","1") = "6"
    & skf21("6","6","4","4","5","7","1","1") = "6"
    & skf21("6","6","4","4","5","7","2","1") = "6"
    & skf21("6","6","4","4","5","7","3","1") = "6"
    & skf21("6","6","4","4","5","7","4","1") = "6"
    & skf21("6","6","4","4","5","7","5","1") = "6"
    & skf21("6","6","4","4","5","7","6","1") = "6"
    & skf21("6","6","4","4","5","7","7","1") = "6"
    & skf21("6","6","4","4","6","1","1","1") = "5"
    & skf21("6","6","4","4","6","1","2","1") = "5"
    & skf21("6","6","4","4","6","1","3","1") = "5"
    & skf21("6","6","4","4","6","1","4","1") = "5"
    & skf21("6","6","4","4","6","1","5","1") = "5"
    & skf21("6","6","4","4","6","1","6","1") = "5"
    & skf21("6","6","4","4","6","1","7","1") = "6"
    & skf21("6","6","4","4","6","2","1","1") = "5"
    & skf21("6","6","4","4","6","2","2","1") = "5"
    & skf21("6","6","4","4","6","2","3","1") = "5"
    & skf21("6","6","4","4","6","2","4","1") = "5"
    & skf21("6","6","4","4","6","2","5","1") = "5"
    & skf21("6","6","4","4","6","2","6","1") = "5"
    & skf21("6","6","4","4","6","2","7","1") = "6"
    & skf21("6","6","4","4","6","3","1","1") = "5"
    & skf21("6","6","4","4","6","3","2","1") = "5"
    & skf21("6","6","4","4","6","3","3","1") = "5"
    & skf21("6","6","4","4","6","3","4","1") = "5"
    & skf21("6","6","4","4","6","3","5","1") = "5"
    & skf21("6","6","4","4","6","3","6","1") = "5"
    & skf21("6","6","4","4","6","3","7","1") = "6"
    & skf21("6","6","4","4","6","4","1","1") = "5"
    & skf21("6","6","4","4","6","4","2","1") = "5"
    & skf21("6","6","4","4","6","4","3","1") = "5"
    & skf21("6","6","4","4","6","4","4","1") = "5"
    & skf21("6","6","4","4","6","4","5","1") = "5"
    & skf21("6","6","4","4","6","4","6","1") = "5"
    & skf21("6","6","4","4","6","4","7","1") = "6"
    & skf21("6","6","4","4","6","5","1","1") = "5"
    & skf21("6","6","4","4","6","5","2","1") = "5"
    & skf21("6","6","4","4","6","5","3","1") = "5"
    & skf21("6","6","4","4","6","5","4","1") = "5"
    & skf21("6","6","4","4","6","5","5","1") = "5"
    & skf21("6","6","4","4","6","5","6","1") = "5"
    & skf21("6","6","4","4","6","5","7","1") = "6"
    & skf21("6","6","4","4","6","6","1","1") = "5"
    & skf21("6","6","4","4","6","6","2","1") = "5"
    & skf21("6","6","4","4","6","6","3","1") = "5"
    & skf21("6","6","4","4","6","6","4","1") = "5"
    & skf21("6","6","4","4","6","6","5","1") = "5"
    & skf21("6","6","4","4","6","6","6","1") = "5"
    & skf21("6","6","4","4","6","6","7","1") = "6"
    & skf21("6","6","4","4","6","7","1","1") = "6"
    & skf21("6","6","4","4","6","7","2","1") = "6"
    & skf21("6","6","4","4","6","7","3","1") = "6"
    & skf21("6","6","4","4","6","7","4","1") = "6"
    & skf21("6","6","4","4","6","7","5","1") = "6"
    & skf21("6","6","4","4","6","7","6","1") = "6"
    & skf21("6","6","4","4","6","7","7","1") = "6"
    & skf21("6","6","4","4","7","1","1","1") = "6"
    & skf21("6","6","4","4","7","1","2","1") = "6"
    & skf21("6","6","4","4","7","1","3","1") = "6"
    & skf21("6","6","4","4","7","1","4","1") = "6"
    & skf21("6","6","4","4","7","1","5","1") = "6"
    & skf21("6","6","4","4","7","1","6","1") = "6"
    & skf21("6","6","4","4","7","1","7","1") = "6"
    & skf21("6","6","4","4","7","2","1","1") = "6"
    & skf21("6","6","4","4","7","2","2","1") = "6"
    & skf21("6","6","4","4","7","2","3","1") = "6"
    & skf21("6","6","4","4","7","2","4","1") = "6"
    & skf21("6","6","4","4","7","2","5","1") = "6"
    & skf21("6","6","4","4","7","2","6","1") = "6"
    & skf21("6","6","4","4","7","2","7","1") = "6"
    & skf21("6","6","4","4","7","3","1","1") = "6"
    & skf21("6","6","4","4","7","3","2","1") = "6"
    & skf21("6","6","4","4","7","3","3","1") = "6"
    & skf21("6","6","4","4","7","3","4","1") = "6"
    & skf21("6","6","4","4","7","3","5","1") = "6"
    & skf21("6","6","4","4","7","3","6","1") = "6"
    & skf21("6","6","4","4","7","3","7","1") = "6"
    & skf21("6","6","4","4","7","4","1","1") = "6"
    & skf21("6","6","4","4","7","4","2","1") = "6"
    & skf21("6","6","4","4","7","4","3","1") = "6"
    & skf21("6","6","4","4","7","4","4","1") = "6"
    & skf21("6","6","4","4","7","4","5","1") = "6"
    & skf21("6","6","4","4","7","4","6","1") = "6"
    & skf21("6","6","4","4","7","4","7","1") = "6"
    & skf21("6","6","4","4","7","5","1","1") = "6"
    & skf21("6","6","4","4","7","5","2","1") = "6"
    & skf21("6","6","4","4","7","5","3","1") = "6"
    & skf21("6","6","4","4","7","5","4","1") = "6"
    & skf21("6","6","4","4","7","5","5","1") = "6"
    & skf21("6","6","4","4","7","5","6","1") = "6"
    & skf21("6","6","4","4","7","5","7","1") = "6"
    & skf21("6","6","4","4","7","6","1","1") = "6"
    & skf21("6","6","4","4","7","6","2","1") = "6"
    & skf21("6","6","4","4","7","6","3","1") = "6"
    & skf21("6","6","4","4","7","6","4","1") = "6"
    & skf21("6","6","4","4","7","6","5","1") = "6"
    & skf21("6","6","4","4","7","6","6","1") = "6"
    & skf21("6","6","4","4","7","6","7","1") = "6"
    & skf21("6","6","4","4","7","7","1","1") = "6"
    & skf21("6","6","4","4","7","7","2","1") = "6"
    & skf21("6","6","4","4","7","7","3","1") = "6"
    & skf21("6","6","4","4","7","7","4","1") = "6"
    & skf21("6","6","4","4","7","7","5","1") = "6"
    & skf21("6","6","4","4","7","7","6","1") = "6"
    & skf21("6","6","4","4","7","7","7","1") = "6"
    & skf21("6","6","4","5","1","1","1","1") = "5"
    & skf21("6","6","4","5","1","1","2","1") = "5"
    & skf21("6","6","4","5","1","1","3","1") = "5"
    & skf21("6","6","4","5","1","1","4","1") = "5"
    & skf21("6","6","4","5","1","1","5","1") = "5"
    & skf21("6","6","4","5","1","1","6","1") = "5"
    & skf21("6","6","4","5","1","1","7","1") = "6"
    & skf21("6","6","4","5","1","2","1","1") = "5"
    & skf21("6","6","4","5","1","2","2","1") = "5"
    & skf21("6","6","4","5","1","2","3","1") = "5"
    & skf21("6","6","4","5","1","2","4","1") = "5"
    & skf21("6","6","4","5","1","2","5","1") = "5"
    & skf21("6","6","4","5","1","2","6","1") = "5"
    & skf21("6","6","4","5","1","2","7","1") = "6"
    & skf21("6","6","4","5","1","3","1","1") = "5"
    & skf21("6","6","4","5","1","3","2","1") = "5"
    & skf21("6","6","4","5","1","3","3","1") = "5"
    & skf21("6","6","4","5","1","3","4","1") = "5"
    & skf21("6","6","4","5","1","3","5","1") = "5"
    & skf21("6","6","4","5","1","3","6","1") = "5"
    & skf21("6","6","4","5","1","3","7","1") = "6"
    & skf21("6","6","4","5","1","4","1","1") = "5"
    & skf21("6","6","4","5","1","4","2","1") = "5"
    & skf21("6","6","4","5","1","4","3","1") = "5"
    & skf21("6","6","4","5","1","4","4","1") = "5"
    & skf21("6","6","4","5","1","4","5","1") = "5"
    & skf21("6","6","4","5","1","4","6","1") = "5"
    & skf21("6","6","4","5","1","4","7","1") = "6"
    & skf21("6","6","4","5","1","5","1","1") = "5"
    & skf21("6","6","4","5","1","5","2","1") = "5"
    & skf21("6","6","4","5","1","5","3","1") = "5"
    & skf21("6","6","4","5","1","5","4","1") = "5"
    & skf21("6","6","4","5","1","5","5","1") = "5"
    & skf21("6","6","4","5","1","5","6","1") = "5"
    & skf21("6","6","4","5","1","5","7","1") = "6"
    & skf21("6","6","4","5","1","6","1","1") = "5"
    & skf21("6","6","4","5","1","6","2","1") = "5"
    & skf21("6","6","4","5","1","6","3","1") = "5"
    & skf21("6","6","4","5","1","6","4","1") = "5"
    & skf21("6","6","4","5","1","6","5","1") = "5"
    & skf21("6","6","4","5","1","6","6","1") = "5"
    & skf21("6","6","4","5","1","6","7","1") = "6"
    & skf21("6","6","4","5","1","7","1","1") = "6"
    & skf21("6","6","4","5","1","7","2","1") = "6"
    & skf21("6","6","4","5","1","7","3","1") = "6"
    & skf21("6","6","4","5","1","7","4","1") = "6"
    & skf21("6","6","4","5","1","7","5","1") = "6"
    & skf21("6","6","4","5","1","7","6","1") = "6"
    & skf21("6","6","4","5","1","7","7","1") = "6"
    & skf21("6","6","4","5","2","1","1","1") = "5"
    & skf21("6","6","4","5","2","1","2","1") = "5"
    & skf21("6","6","4","5","2","1","3","1") = "5"
    & skf21("6","6","4","5","2","1","4","1") = "5"
    & skf21("6","6","4","5","2","1","5","1") = "5"
    & skf21("6","6","4","5","2","1","6","1") = "5"
    & skf21("6","6","4","5","2","1","7","1") = "6"
    & skf21("6","6","4","5","2","2","1","1") = "5"
    & skf21("6","6","4","5","2","2","2","1") = "5"
    & skf21("6","6","4","5","2","2","3","1") = "5"
    & skf21("6","6","4","5","2","2","4","1") = "5"
    & skf21("6","6","4","5","2","2","5","1") = "5"
    & skf21("6","6","4","5","2","2","6","1") = "5"
    & skf21("6","6","4","5","2","2","7","1") = "6"
    & skf21("6","6","4","5","2","3","1","1") = "5"
    & skf21("6","6","4","5","2","3","2","1") = "5"
    & skf21("6","6","4","5","2","3","3","1") = "5"
    & skf21("6","6","4","5","2","3","4","1") = "5"
    & skf21("6","6","4","5","2","3","5","1") = "5"
    & skf21("6","6","4","5","2","3","6","1") = "5"
    & skf21("6","6","4","5","2","3","7","1") = "6"
    & skf21("6","6","4","5","2","4","1","1") = "5"
    & skf21("6","6","4","5","2","4","2","1") = "5"
    & skf21("6","6","4","5","2","4","3","1") = "5"
    & skf21("6","6","4","5","2","4","4","1") = "5"
    & skf21("6","6","4","5","2","4","5","1") = "5"
    & skf21("6","6","4","5","2","4","6","1") = "5"
    & skf21("6","6","4","5","2","4","7","1") = "6"
    & skf21("6","6","4","5","2","5","1","1") = "5"
    & skf21("6","6","4","5","2","5","2","1") = "5"
    & skf21("6","6","4","5","2","5","3","1") = "5"
    & skf21("6","6","4","5","2","5","4","1") = "5"
    & skf21("6","6","4","5","2","5","5","1") = "5"
    & skf21("6","6","4","5","2","5","6","1") = "5"
    & skf21("6","6","4","5","2","5","7","1") = "6"
    & skf21("6","6","4","5","2","6","1","1") = "5"
    & skf21("6","6","4","5","2","6","2","1") = "5"
    & skf21("6","6","4","5","2","6","3","1") = "5"
    & skf21("6","6","4","5","2","6","4","1") = "5"
    & skf21("6","6","4","5","2","6","5","1") = "5"
    & skf21("6","6","4","5","2","6","6","1") = "5"
    & skf21("6","6","4","5","2","6","7","1") = "6"
    & skf21("6","6","4","5","2","7","1","1") = "6"
    & skf21("6","6","4","5","2","7","2","1") = "6"
    & skf21("6","6","4","5","2","7","3","1") = "6"
    & skf21("6","6","4","5","2","7","4","1") = "6"
    & skf21("6","6","4","5","2","7","5","1") = "6"
    & skf21("6","6","4","5","2","7","6","1") = "6"
    & skf21("6","6","4","5","2","7","7","1") = "6"
    & skf21("6","6","4","5","3","1","1","1") = "5"
    & skf21("6","6","4","5","3","1","2","1") = "5"
    & skf21("6","6","4","5","3","1","3","1") = "5"
    & skf21("6","6","4","5","3","1","4","1") = "5"
    & skf21("6","6","4","5","3","1","5","1") = "5"
    & skf21("6","6","4","5","3","1","6","1") = "5"
    & skf21("6","6","4","5","3","1","7","1") = "6"
    & skf21("6","6","4","5","3","2","1","1") = "5"
    & skf21("6","6","4","5","3","2","2","1") = "5"
    & skf21("6","6","4","5","3","2","3","1") = "5"
    & skf21("6","6","4","5","3","2","4","1") = "5"
    & skf21("6","6","4","5","3","2","5","1") = "5"
    & skf21("6","6","4","5","3","2","6","1") = "5"
    & skf21("6","6","4","5","3","2","7","1") = "6"
    & skf21("6","6","4","5","3","3","1","1") = "5"
    & skf21("6","6","4","5","3","3","2","1") = "5"
    & skf21("6","6","4","5","3","3","3","1") = "5"
    & skf21("6","6","4","5","3","3","4","1") = "5"
    & skf21("6","6","4","5","3","3","5","1") = "5"
    & skf21("6","6","4","5","3","3","6","1") = "5"
    & skf21("6","6","4","5","3","3","7","1") = "6"
    & skf21("6","6","4","5","3","4","1","1") = "5"
    & skf21("6","6","4","5","3","4","2","1") = "5"
    & skf21("6","6","4","5","3","4","3","1") = "5"
    & skf21("6","6","4","5","3","4","4","1") = "5"
    & skf21("6","6","4","5","3","4","5","1") = "5"
    & skf21("6","6","4","5","3","4","6","1") = "5"
    & skf21("6","6","4","5","3","4","7","1") = "6"
    & skf21("6","6","4","5","3","5","1","1") = "5"
    & skf21("6","6","4","5","3","5","2","1") = "5"
    & skf21("6","6","4","5","3","5","3","1") = "5"
    & skf21("6","6","4","5","3","5","4","1") = "5"
    & skf21("6","6","4","5","3","5","5","1") = "5"
    & skf21("6","6","4","5","3","5","6","1") = "5"
    & skf21("6","6","4","5","3","5","7","1") = "6"
    & skf21("6","6","4","5","3","6","1","1") = "5"
    & skf21("6","6","4","5","3","6","2","1") = "5"
    & skf21("6","6","4","5","3","6","3","1") = "5"
    & skf21("6","6","4","5","3","6","4","1") = "5"
    & skf21("6","6","4","5","3","6","5","1") = "5"
    & skf21("6","6","4","5","3","6","6","1") = "5"
    & skf21("6","6","4","5","3","6","7","1") = "6"
    & skf21("6","6","4","5","3","7","1","1") = "6"
    & skf21("6","6","4","5","3","7","2","1") = "6"
    & skf21("6","6","4","5","3","7","3","1") = "6"
    & skf21("6","6","4","5","3","7","4","1") = "6"
    & skf21("6","6","4","5","3","7","5","1") = "6"
    & skf21("6","6","4","5","3","7","6","1") = "6"
    & skf21("6","6","4","5","3","7","7","1") = "6"
    & skf21("6","6","4","5","4","1","1","1") = "5"
    & skf21("6","6","4","5","4","1","2","1") = "5"
    & skf21("6","6","4","5","4","1","3","1") = "5"
    & skf21("6","6","4","5","4","1","4","1") = "5"
    & skf21("6","6","4","5","4","1","5","1") = "5"
    & skf21("6","6","4","5","4","1","6","1") = "5"
    & skf21("6","6","4","5","4","1","7","1") = "6"
    & skf21("6","6","4","5","4","2","1","1") = "5"
    & skf21("6","6","4","5","4","2","2","1") = "5"
    & skf21("6","6","4","5","4","2","3","1") = "5"
    & skf21("6","6","4","5","4","2","4","1") = "5"
    & skf21("6","6","4","5","4","2","5","1") = "5"
    & skf21("6","6","4","5","4","2","6","1") = "5"
    & skf21("6","6","4","5","4","2","7","1") = "6"
    & skf21("6","6","4","5","4","3","1","1") = "5"
    & skf21("6","6","4","5","4","3","2","1") = "5"
    & skf21("6","6","4","5","4","3","3","1") = "5"
    & skf21("6","6","4","5","4","3","4","1") = "5"
    & skf21("6","6","4","5","4","3","5","1") = "5"
    & skf21("6","6","4","5","4","3","6","1") = "5"
    & skf21("6","6","4","5","4","3","7","1") = "6"
    & skf21("6","6","4","5","4","4","1","1") = "5"
    & skf21("6","6","4","5","4","4","2","1") = "5"
    & skf21("6","6","4","5","4","4","3","1") = "5"
    & skf21("6","6","4","5","4","4","4","1") = "5"
    & skf21("6","6","4","5","4","4","5","1") = "5"
    & skf21("6","6","4","5","4","4","6","1") = "5"
    & skf21("6","6","4","5","4","4","7","1") = "6"
    & skf21("6","6","4","5","4","5","1","1") = "5"
    & skf21("6","6","4","5","4","5","2","1") = "5"
    & skf21("6","6","4","5","4","5","3","1") = "5"
    & skf21("6","6","4","5","4","5","4","1") = "5"
    & skf21("6","6","4","5","4","5","5","1") = "5"
    & skf21("6","6","4","5","4","5","6","1") = "5"
    & skf21("6","6","4","5","4","5","7","1") = "6"
    & skf21("6","6","4","5","4","6","1","1") = "5"
    & skf21("6","6","4","5","4","6","2","1") = "5"
    & skf21("6","6","4","5","4","6","3","1") = "5"
    & skf21("6","6","4","5","4","6","4","1") = "5"
    & skf21("6","6","4","5","4","6","5","1") = "5"
    & skf21("6","6","4","5","4","6","6","1") = "5"
    & skf21("6","6","4","5","4","6","7","1") = "6"
    & skf21("6","6","4","5","4","7","1","1") = "6"
    & skf21("6","6","4","5","4","7","2","1") = "6"
    & skf21("6","6","4","5","4","7","3","1") = "6"
    & skf21("6","6","4","5","4","7","4","1") = "6"
    & skf21("6","6","4","5","4","7","5","1") = "6"
    & skf21("6","6","4","5","4","7","6","1") = "6"
    & skf21("6","6","4","5","4","7","7","1") = "6"
    & skf21("6","6","4","5","5","1","1","1") = "5"
    & skf21("6","6","4","5","5","1","2","1") = "5"
    & skf21("6","6","4","5","5","1","3","1") = "5"
    & skf21("6","6","4","5","5","1","4","1") = "5"
    & skf21("6","6","4","5","5","1","5","1") = "5"
    & skf21("6","6","4","5","5","1","6","1") = "5"
    & skf21("6","6","4","5","5","1","7","1") = "6"
    & skf21("6","6","4","5","5","2","1","1") = "5"
    & skf21("6","6","4","5","5","2","2","1") = "5"
    & skf21("6","6","4","5","5","2","3","1") = "5"
    & skf21("6","6","4","5","5","2","4","1") = "5"
    & skf21("6","6","4","5","5","2","5","1") = "5"
    & skf21("6","6","4","5","5","2","6","1") = "5"
    & skf21("6","6","4","5","5","2","7","1") = "6"
    & skf21("6","6","4","5","5","3","1","1") = "5"
    & skf21("6","6","4","5","5","3","2","1") = "5"
    & skf21("6","6","4","5","5","3","3","1") = "5"
    & skf21("6","6","4","5","5","3","4","1") = "5"
    & skf21("6","6","4","5","5","3","5","1") = "5"
    & skf21("6","6","4","5","5","3","6","1") = "5"
    & skf21("6","6","4","5","5","3","7","1") = "6"
    & skf21("6","6","4","5","5","4","1","1") = "5"
    & skf21("6","6","4","5","5","4","2","1") = "5"
    & skf21("6","6","4","5","5","4","3","1") = "5"
    & skf21("6","6","4","5","5","4","4","1") = "5"
    & skf21("6","6","4","5","5","4","5","1") = "5"
    & skf21("6","6","4","5","5","4","6","1") = "5"
    & skf21("6","6","4","5","5","4","7","1") = "6"
    & skf21("6","6","4","5","5","5","1","1") = "5"
    & skf21("6","6","4","5","5","5","2","1") = "5"
    & skf21("6","6","4","5","5","5","3","1") = "5"
    & skf21("6","6","4","5","5","5","4","1") = "5"
    & skf21("6","6","4","5","5","5","5","1") = "5"
    & skf21("6","6","4","5","5","5","6","1") = "5"
    & skf21("6","6","4","5","5","5","7","1") = "6"
    & skf21("6","6","4","5","5","6","1","1") = "5"
    & skf21("6","6","4","5","5","6","2","1") = "5"
    & skf21("6","6","4","5","5","6","3","1") = "5"
    & skf21("6","6","4","5","5","6","4","1") = "5"
    & skf21("6","6","4","5","5","6","5","1") = "5"
    & skf21("6","6","4","5","5","6","6","1") = "5"
    & skf21("6","6","4","5","5","6","7","1") = "6"
    & skf21("6","6","4","5","5","7","1","1") = "6"
    & skf21("6","6","4","5","5","7","2","1") = "6"
    & skf21("6","6","4","5","5","7","3","1") = "6"
    & skf21("6","6","4","5","5","7","4","1") = "6"
    & skf21("6","6","4","5","5","7","5","1") = "6"
    & skf21("6","6","4","5","5","7","6","1") = "6"
    & skf21("6","6","4","5","5","7","7","1") = "6"
    & skf21("6","6","4","5","6","1","1","1") = "5"
    & skf21("6","6","4","5","6","1","2","1") = "5"
    & skf21("6","6","4","5","6","1","3","1") = "5"
    & skf21("6","6","4","5","6","1","4","1") = "5"
    & skf21("6","6","4","5","6","1","5","1") = "5"
    & skf21("6","6","4","5","6","1","6","1") = "5"
    & skf21("6","6","4","5","6","1","7","1") = "6"
    & skf21("6","6","4","5","6","2","1","1") = "5"
    & skf21("6","6","4","5","6","2","2","1") = "5"
    & skf21("6","6","4","5","6","2","3","1") = "5"
    & skf21("6","6","4","5","6","2","4","1") = "5"
    & skf21("6","6","4","5","6","2","5","1") = "5"
    & skf21("6","6","4","5","6","2","6","1") = "5"
    & skf21("6","6","4","5","6","2","7","1") = "6"
    & skf21("6","6","4","5","6","3","1","1") = "5"
    & skf21("6","6","4","5","6","3","2","1") = "5"
    & skf21("6","6","4","5","6","3","3","1") = "5"
    & skf21("6","6","4","5","6","3","4","1") = "5"
    & skf21("6","6","4","5","6","3","5","1") = "5"
    & skf21("6","6","4","5","6","3","6","1") = "5"
    & skf21("6","6","4","5","6","3","7","1") = "6"
    & skf21("6","6","4","5","6","4","1","1") = "5"
    & skf21("6","6","4","5","6","4","2","1") = "5"
    & skf21("6","6","4","5","6","4","3","1") = "5"
    & skf21("6","6","4","5","6","4","4","1") = "5"
    & skf21("6","6","4","5","6","4","5","1") = "5"
    & skf21("6","6","4","5","6","4","6","1") = "5"
    & skf21("6","6","4","5","6","4","7","1") = "6"
    & skf21("6","6","4","5","6","5","1","1") = "5"
    & skf21("6","6","4","5","6","5","2","1") = "5"
    & skf21("6","6","4","5","6","5","3","1") = "5"
    & skf21("6","6","4","5","6","5","4","1") = "5"
    & skf21("6","6","4","5","6","5","5","1") = "5"
    & skf21("6","6","4","5","6","5","6","1") = "5"
    & skf21("6","6","4","5","6","5","7","1") = "6"
    & skf21("6","6","4","5","6","6","1","1") = "5"
    & skf21("6","6","4","5","6","6","2","1") = "5"
    & skf21("6","6","4","5","6","6","3","1") = "5"
    & skf21("6","6","4","5","6","6","4","1") = "5"
    & skf21("6","6","4","5","6","6","5","1") = "5"
    & skf21("6","6","4","5","6","6","6","1") = "5"
    & skf21("6","6","4","5","6","6","7","1") = "6"
    & skf21("6","6","4","5","6","7","1","1") = "6"
    & skf21("6","6","4","5","6","7","2","1") = "6"
    & skf21("6","6","4","5","6","7","3","1") = "6"
    & skf21("6","6","4","5","6","7","4","1") = "6"
    & skf21("6","6","4","5","6","7","5","1") = "6"
    & skf21("6","6","4","5","6","7","6","1") = "6"
    & skf21("6","6","4","5","6","7","7","1") = "6"
    & skf21("6","6","4","5","7","1","1","1") = "6"
    & skf21("6","6","4","5","7","1","2","1") = "6"
    & skf21("6","6","4","5","7","1","3","1") = "6"
    & skf21("6","6","4","5","7","1","4","1") = "6"
    & skf21("6","6","4","5","7","1","5","1") = "6"
    & skf21("6","6","4","5","7","1","6","1") = "6"
    & skf21("6","6","4","5","7","1","7","1") = "6"
    & skf21("6","6","4","5","7","2","1","1") = "6"
    & skf21("6","6","4","5","7","2","2","1") = "6"
    & skf21("6","6","4","5","7","2","3","1") = "6"
    & skf21("6","6","4","5","7","2","4","1") = "6"
    & skf21("6","6","4","5","7","2","5","1") = "6"
    & skf21("6","6","4","5","7","2","6","1") = "6"
    & skf21("6","6","4","5","7","2","7","1") = "6"
    & skf21("6","6","4","5","7","3","1","1") = "6"
    & skf21("6","6","4","5","7","3","2","1") = "6"
    & skf21("6","6","4","5","7","3","3","1") = "6"
    & skf21("6","6","4","5","7","3","4","1") = "6"
    & skf21("6","6","4","5","7","3","5","1") = "6"
    & skf21("6","6","4","5","7","3","6","1") = "6"
    & skf21("6","6","4","5","7","3","7","1") = "6"
    & skf21("6","6","4","5","7","4","1","1") = "6"
    & skf21("6","6","4","5","7","4","2","1") = "6"
    & skf21("6","6","4","5","7","4","3","1") = "6"
    & skf21("6","6","4","5","7","4","4","1") = "6"
    & skf21("6","6","4","5","7","4","5","1") = "6"
    & skf21("6","6","4","5","7","4","6","1") = "6"
    & skf21("6","6","4","5","7","4","7","1") = "6"
    & skf21("6","6","4","5","7","5","1","1") = "6"
    & skf21("6","6","4","5","7","5","2","1") = "6"
    & skf21("6","6","4","5","7","5","3","1") = "6"
    & skf21("6","6","4","5","7","5","4","1") = "6"
    & skf21("6","6","4","5","7","5","5","1") = "6"
    & skf21("6","6","4","5","7","5","6","1") = "6"
    & skf21("6","6","4","5","7","5","7","1") = "6"
    & skf21("6","6","4","5","7","6","1","1") = "6"
    & skf21("6","6","4","5","7","6","2","1") = "6"
    & skf21("6","6","4","5","7","6","3","1") = "6"
    & skf21("6","6","4","5","7","6","4","1") = "6"
    & skf21("6","6","4","5","7","6","5","1") = "6"
    & skf21("6","6","4","5","7","6","6","1") = "6"
    & skf21("6","6","4","5","7","6","7","1") = "6"
    & skf21("6","6","4","5","7","7","1","1") = "6"
    & skf21("6","6","4","5","7","7","2","1") = "6"
    & skf21("6","6","4","5","7","7","3","1") = "6"
    & skf21("6","6","4","5","7","7","4","1") = "6"
    & skf21("6","6","4","5","7","7","5","1") = "6"
    & skf21("6","6","4","5","7","7","6","1") = "6"
    & skf21("6","6","4","5","7","7","7","1") = "6"
    & skf21("6","6","4","6","1","1","1","1") = "5"
    & skf21("6","6","4","6","1","1","2","1") = "5"
    & skf21("6","6","4","6","1","1","3","1") = "5"
    & skf21("6","6","4","6","1","1","4","1") = "5"
    & skf21("6","6","4","6","1","1","5","1") = "5"
    & skf21("6","6","4","6","1","1","6","1") = "5"
    & skf21("6","6","4","6","1","1","7","1") = "6"
    & skf21("6","6","4","6","1","2","1","1") = "5"
    & skf21("6","6","4","6","1","2","2","1") = "5"
    & skf21("6","6","4","6","1","2","3","1") = "5"
    & skf21("6","6","4","6","1","2","4","1") = "5"
    & skf21("6","6","4","6","1","2","5","1") = "5"
    & skf21("6","6","4","6","1","2","6","1") = "5"
    & skf21("6","6","4","6","1","2","7","1") = "6"
    & skf21("6","6","4","6","1","3","1","1") = "5"
    & skf21("6","6","4","6","1","3","2","1") = "5"
    & skf21("6","6","4","6","1","3","3","1") = "5"
    & skf21("6","6","4","6","1","3","4","1") = "5"
    & skf21("6","6","4","6","1","3","5","1") = "5"
    & skf21("6","6","4","6","1","3","6","1") = "5"
    & skf21("6","6","4","6","1","3","7","1") = "6"
    & skf21("6","6","4","6","1","4","1","1") = "5"
    & skf21("6","6","4","6","1","4","2","1") = "5"
    & skf21("6","6","4","6","1","4","3","1") = "5"
    & skf21("6","6","4","6","1","4","4","1") = "5"
    & skf21("6","6","4","6","1","4","5","1") = "5"
    & skf21("6","6","4","6","1","4","6","1") = "5"
    & skf21("6","6","4","6","1","4","7","1") = "6"
    & skf21("6","6","4","6","1","5","1","1") = "5"
    & skf21("6","6","4","6","1","5","2","1") = "5"
    & skf21("6","6","4","6","1","5","3","1") = "5"
    & skf21("6","6","4","6","1","5","4","1") = "5"
    & skf21("6","6","4","6","1","5","5","1") = "5"
    & skf21("6","6","4","6","1","5","6","1") = "5"
    & skf21("6","6","4","6","1","5","7","1") = "6"
    & skf21("6","6","4","6","1","6","1","1") = "5"
    & skf21("6","6","4","6","1","6","2","1") = "5"
    & skf21("6","6","4","6","1","6","3","1") = "5"
    & skf21("6","6","4","6","1","6","4","1") = "5"
    & skf21("6","6","4","6","1","6","5","1") = "5"
    & skf21("6","6","4","6","1","6","6","1") = "5"
    & skf21("6","6","4","6","1","6","7","1") = "6"
    & skf21("6","6","4","6","1","7","1","1") = "6"
    & skf21("6","6","4","6","1","7","2","1") = "6"
    & skf21("6","6","4","6","1","7","3","1") = "6"
    & skf21("6","6","4","6","1","7","4","1") = "6"
    & skf21("6","6","4","6","1","7","5","1") = "6"
    & skf21("6","6","4","6","1","7","6","1") = "6"
    & skf21("6","6","4","6","1","7","7","1") = "6"
    & skf21("6","6","4","6","2","1","1","1") = "5"
    & skf21("6","6","4","6","2","1","2","1") = "5"
    & skf21("6","6","4","6","2","1","3","1") = "5"
    & skf21("6","6","4","6","2","1","4","1") = "5"
    & skf21("6","6","4","6","2","1","5","1") = "5"
    & skf21("6","6","4","6","2","1","6","1") = "5"
    & skf21("6","6","4","6","2","1","7","1") = "6"
    & skf21("6","6","4","6","2","2","1","1") = "5"
    & skf21("6","6","4","6","2","2","2","1") = "5"
    & skf21("6","6","4","6","2","2","3","1") = "5"
    & skf21("6","6","4","6","2","2","4","1") = "5"
    & skf21("6","6","4","6","2","2","5","1") = "5"
    & skf21("6","6","4","6","2","2","6","1") = "5"
    & skf21("6","6","4","6","2","2","7","1") = "6"
    & skf21("6","6","4","6","2","3","1","1") = "5"
    & skf21("6","6","4","6","2","3","2","1") = "5"
    & skf21("6","6","4","6","2","3","3","1") = "5"
    & skf21("6","6","4","6","2","3","4","1") = "5"
    & skf21("6","6","4","6","2","3","5","1") = "5"
    & skf21("6","6","4","6","2","3","6","1") = "5"
    & skf21("6","6","4","6","2","3","7","1") = "6"
    & skf21("6","6","4","6","2","4","1","1") = "5"
    & skf21("6","6","4","6","2","4","2","1") = "5"
    & skf21("6","6","4","6","2","4","3","1") = "5"
    & skf21("6","6","4","6","2","4","4","1") = "5"
    & skf21("6","6","4","6","2","4","5","1") = "5"
    & skf21("6","6","4","6","2","4","6","1") = "5"
    & skf21("6","6","4","6","2","4","7","1") = "6"
    & skf21("6","6","4","6","2","5","1","1") = "5"
    & skf21("6","6","4","6","2","5","2","1") = "5"
    & skf21("6","6","4","6","2","5","3","1") = "5"
    & skf21("6","6","4","6","2","5","4","1") = "5"
    & skf21("6","6","4","6","2","5","5","1") = "5"
    & skf21("6","6","4","6","2","5","6","1") = "5"
    & skf21("6","6","4","6","2","5","7","1") = "6"
    & skf21("6","6","4","6","2","6","1","1") = "5"
    & skf21("6","6","4","6","2","6","2","1") = "5"
    & skf21("6","6","4","6","2","6","3","1") = "5"
    & skf21("6","6","4","6","2","6","4","1") = "5"
    & skf21("6","6","4","6","2","6","5","1") = "5"
    & skf21("6","6","4","6","2","6","6","1") = "5"
    & skf21("6","6","4","6","2","6","7","1") = "6"
    & skf21("6","6","4","6","2","7","1","1") = "6"
    & skf21("6","6","4","6","2","7","2","1") = "6"
    & skf21("6","6","4","6","2","7","3","1") = "6"
    & skf21("6","6","4","6","2","7","4","1") = "6"
    & skf21("6","6","4","6","2","7","5","1") = "6"
    & skf21("6","6","4","6","2","7","6","1") = "6"
    & skf21("6","6","4","6","2","7","7","1") = "6"
    & skf21("6","6","4","6","3","1","1","1") = "5"
    & skf21("6","6","4","6","3","1","2","1") = "5"
    & skf21("6","6","4","6","3","1","3","1") = "5"
    & skf21("6","6","4","6","3","1","4","1") = "5"
    & skf21("6","6","4","6","3","1","5","1") = "5"
    & skf21("6","6","4","6","3","1","6","1") = "5"
    & skf21("6","6","4","6","3","1","7","1") = "6"
    & skf21("6","6","4","6","3","2","1","1") = "5"
    & skf21("6","6","4","6","3","2","2","1") = "5"
    & skf21("6","6","4","6","3","2","3","1") = "5"
    & skf21("6","6","4","6","3","2","4","1") = "5"
    & skf21("6","6","4","6","3","2","5","1") = "5"
    & skf21("6","6","4","6","3","2","6","1") = "5"
    & skf21("6","6","4","6","3","2","7","1") = "6"
    & skf21("6","6","4","6","3","3","1","1") = "5"
    & skf21("6","6","4","6","3","3","2","1") = "5"
    & skf21("6","6","4","6","3","3","3","1") = "5"
    & skf21("6","6","4","6","3","3","4","1") = "5"
    & skf21("6","6","4","6","3","3","5","1") = "5"
    & skf21("6","6","4","6","3","3","6","1") = "5"
    & skf21("6","6","4","6","3","3","7","1") = "6"
    & skf21("6","6","4","6","3","4","1","1") = "5"
    & skf21("6","6","4","6","3","4","2","1") = "5"
    & skf21("6","6","4","6","3","4","3","1") = "5"
    & skf21("6","6","4","6","3","4","4","1") = "5"
    & skf21("6","6","4","6","3","4","5","1") = "5"
    & skf21("6","6","4","6","3","4","6","1") = "5"
    & skf21("6","6","4","6","3","4","7","1") = "6"
    & skf21("6","6","4","6","3","5","1","1") = "5"
    & skf21("6","6","4","6","3","5","2","1") = "5"
    & skf21("6","6","4","6","3","5","3","1") = "5"
    & skf21("6","6","4","6","3","5","4","1") = "5"
    & skf21("6","6","4","6","3","5","5","1") = "5"
    & skf21("6","6","4","6","3","5","6","1") = "5"
    & skf21("6","6","4","6","3","5","7","1") = "6"
    & skf21("6","6","4","6","3","6","1","1") = "5"
    & skf21("6","6","4","6","3","6","2","1") = "5"
    & skf21("6","6","4","6","3","6","3","1") = "5"
    & skf21("6","6","4","6","3","6","4","1") = "5"
    & skf21("6","6","4","6","3","6","5","1") = "5"
    & skf21("6","6","4","6","3","6","6","1") = "5"
    & skf21("6","6","4","6","3","6","7","1") = "6"
    & skf21("6","6","4","6","3","7","1","1") = "6"
    & skf21("6","6","4","6","3","7","2","1") = "6"
    & skf21("6","6","4","6","3","7","3","1") = "6"
    & skf21("6","6","4","6","3","7","4","1") = "6"
    & skf21("6","6","4","6","3","7","5","1") = "6"
    & skf21("6","6","4","6","3","7","6","1") = "6"
    & skf21("6","6","4","6","3","7","7","1") = "6"
    & skf21("6","6","4","6","4","1","1","1") = "5"
    & skf21("6","6","4","6","4","1","2","1") = "5"
    & skf21("6","6","4","6","4","1","3","1") = "5"
    & skf21("6","6","4","6","4","1","4","1") = "5"
    & skf21("6","6","4","6","4","1","5","1") = "5"
    & skf21("6","6","4","6","4","1","6","1") = "5"
    & skf21("6","6","4","6","4","1","7","1") = "6"
    & skf21("6","6","4","6","4","2","1","1") = "5"
    & skf21("6","6","4","6","4","2","2","1") = "5"
    & skf21("6","6","4","6","4","2","3","1") = "5"
    & skf21("6","6","4","6","4","2","4","1") = "5"
    & skf21("6","6","4","6","4","2","5","1") = "5"
    & skf21("6","6","4","6","4","2","6","1") = "5"
    & skf21("6","6","4","6","4","2","7","1") = "6"
    & skf21("6","6","4","6","4","3","1","1") = "5"
    & skf21("6","6","4","6","4","3","2","1") = "5"
    & skf21("6","6","4","6","4","3","3","1") = "5"
    & skf21("6","6","4","6","4","3","4","1") = "5"
    & skf21("6","6","4","6","4","3","5","1") = "5"
    & skf21("6","6","4","6","4","3","6","1") = "5"
    & skf21("6","6","4","6","4","3","7","1") = "6"
    & skf21("6","6","4","6","4","4","1","1") = "5"
    & skf21("6","6","4","6","4","4","2","1") = "5"
    & skf21("6","6","4","6","4","4","3","1") = "5"
    & skf21("6","6","4","6","4","4","4","1") = "5"
    & skf21("6","6","4","6","4","4","5","1") = "5"
    & skf21("6","6","4","6","4","4","6","1") = "5"
    & skf21("6","6","4","6","4","4","7","1") = "6"
    & skf21("6","6","4","6","4","5","1","1") = "5"
    & skf21("6","6","4","6","4","5","2","1") = "5"
    & skf21("6","6","4","6","4","5","3","1") = "5"
    & skf21("6","6","4","6","4","5","4","1") = "5"
    & skf21("6","6","4","6","4","5","5","1") = "5"
    & skf21("6","6","4","6","4","5","6","1") = "5"
    & skf21("6","6","4","6","4","5","7","1") = "6"
    & skf21("6","6","4","6","4","6","1","1") = "5"
    & skf21("6","6","4","6","4","6","2","1") = "5"
    & skf21("6","6","4","6","4","6","3","1") = "5"
    & skf21("6","6","4","6","4","6","4","1") = "5"
    & skf21("6","6","4","6","4","6","5","1") = "5"
    & skf21("6","6","4","6","4","6","6","1") = "5"
    & skf21("6","6","4","6","4","6","7","1") = "6"
    & skf21("6","6","4","6","4","7","1","1") = "6"
    & skf21("6","6","4","6","4","7","2","1") = "6"
    & skf21("6","6","4","6","4","7","3","1") = "6"
    & skf21("6","6","4","6","4","7","4","1") = "6"
    & skf21("6","6","4","6","4","7","5","1") = "6"
    & skf21("6","6","4","6","4","7","6","1") = "6"
    & skf21("6","6","4","6","4","7","7","1") = "6"
    & skf21("6","6","4","6","5","1","1","1") = "5"
    & skf21("6","6","4","6","5","1","2","1") = "5"
    & skf21("6","6","4","6","5","1","3","1") = "5"
    & skf21("6","6","4","6","5","1","4","1") = "5"
    & skf21("6","6","4","6","5","1","5","1") = "5"
    & skf21("6","6","4","6","5","1","6","1") = "5"
    & skf21("6","6","4","6","5","1","7","1") = "6"
    & skf21("6","6","4","6","5","2","1","1") = "5"
    & skf21("6","6","4","6","5","2","2","1") = "5"
    & skf21("6","6","4","6","5","2","3","1") = "5"
    & skf21("6","6","4","6","5","2","4","1") = "5"
    & skf21("6","6","4","6","5","2","5","1") = "5"
    & skf21("6","6","4","6","5","2","6","1") = "5"
    & skf21("6","6","4","6","5","2","7","1") = "6"
    & skf21("6","6","4","6","5","3","1","1") = "5"
    & skf21("6","6","4","6","5","3","2","1") = "5"
    & skf21("6","6","4","6","5","3","3","1") = "5"
    & skf21("6","6","4","6","5","3","4","1") = "5"
    & skf21("6","6","4","6","5","3","5","1") = "5"
    & skf21("6","6","4","6","5","3","6","1") = "5"
    & skf21("6","6","4","6","5","3","7","1") = "6"
    & skf21("6","6","4","6","5","4","1","1") = "5"
    & skf21("6","6","4","6","5","4","2","1") = "5"
    & skf21("6","6","4","6","5","4","3","1") = "5"
    & skf21("6","6","4","6","5","4","4","1") = "5"
    & skf21("6","6","4","6","5","4","5","1") = "5"
    & skf21("6","6","4","6","5","4","6","1") = "5"
    & skf21("6","6","4","6","5","4","7","1") = "6"
    & skf21("6","6","4","6","5","5","1","1") = "5"
    & skf21("6","6","4","6","5","5","2","1") = "5"
    & skf21("6","6","4","6","5","5","3","1") = "5"
    & skf21("6","6","4","6","5","5","4","1") = "5"
    & skf21("6","6","4","6","5","5","5","1") = "5"
    & skf21("6","6","4","6","5","5","6","1") = "5"
    & skf21("6","6","4","6","5","5","7","1") = "6"
    & skf21("6","6","4","6","5","6","1","1") = "5"
    & skf21("6","6","4","6","5","6","2","1") = "5"
    & skf21("6","6","4","6","5","6","3","1") = "5"
    & skf21("6","6","4","6","5","6","4","1") = "5"
    & skf21("6","6","4","6","5","6","5","1") = "5"
    & skf21("6","6","4","6","5","6","6","1") = "5"
    & skf21("6","6","4","6","5","6","7","1") = "6"
    & skf21("6","6","4","6","5","7","1","1") = "6"
    & skf21("6","6","4","6","5","7","2","1") = "6"
    & skf21("6","6","4","6","5","7","3","1") = "6"
    & skf21("6","6","4","6","5","7","4","1") = "6"
    & skf21("6","6","4","6","5","7","5","1") = "6"
    & skf21("6","6","4","6","5","7","6","1") = "6"
    & skf21("6","6","4","6","5","7","7","1") = "6"
    & skf21("6","6","4","6","6","1","1","1") = "5"
    & skf21("6","6","4","6","6","1","2","1") = "5"
    & skf21("6","6","4","6","6","1","3","1") = "5"
    & skf21("6","6","4","6","6","1","4","1") = "5"
    & skf21("6","6","4","6","6","1","5","1") = "5"
    & skf21("6","6","4","6","6","1","6","1") = "5"
    & skf21("6","6","4","6","6","1","7","1") = "6"
    & skf21("6","6","4","6","6","2","1","1") = "5"
    & skf21("6","6","4","6","6","2","2","1") = "5"
    & skf21("6","6","4","6","6","2","3","1") = "5"
    & skf21("6","6","4","6","6","2","4","1") = "5"
    & skf21("6","6","4","6","6","2","5","1") = "5"
    & skf21("6","6","4","6","6","2","6","1") = "5"
    & skf21("6","6","4","6","6","2","7","1") = "6"
    & skf21("6","6","4","6","6","3","1","1") = "5"
    & skf21("6","6","4","6","6","3","2","1") = "5"
    & skf21("6","6","4","6","6","3","3","1") = "5"
    & skf21("6","6","4","6","6","3","4","1") = "5"
    & skf21("6","6","4","6","6","3","5","1") = "5"
    & skf21("6","6","4","6","6","3","6","1") = "5"
    & skf21("6","6","4","6","6","3","7","1") = "6"
    & skf21("6","6","4","6","6","4","1","1") = "5"
    & skf21("6","6","4","6","6","4","2","1") = "5"
    & skf21("6","6","4","6","6","4","3","1") = "5"
    & skf21("6","6","4","6","6","4","4","1") = "5"
    & skf21("6","6","4","6","6","4","5","1") = "5"
    & skf21("6","6","4","6","6","4","6","1") = "5"
    & skf21("6","6","4","6","6","4","7","1") = "6"
    & skf21("6","6","4","6","6","5","1","1") = "5"
    & skf21("6","6","4","6","6","5","2","1") = "5"
    & skf21("6","6","4","6","6","5","3","1") = "5"
    & skf21("6","6","4","6","6","5","4","1") = "5"
    & skf21("6","6","4","6","6","5","5","1") = "5"
    & skf21("6","6","4","6","6","5","6","1") = "5"
    & skf21("6","6","4","6","6","5","7","1") = "6"
    & skf21("6","6","4","6","6","6","1","1") = "5"
    & skf21("6","6","4","6","6","6","2","1") = "5"
    & skf21("6","6","4","6","6","6","3","1") = "5"
    & skf21("6","6","4","6","6","6","4","1") = "5"
    & skf21("6","6","4","6","6","6","5","1") = "5"
    & skf21("6","6","4","6","6","6","6","1") = "5"
    & skf21("6","6","4","6","6","6","7","1") = "6"
    & skf21("6","6","4","6","6","7","1","1") = "6"
    & skf21("6","6","4","6","6","7","2","1") = "6"
    & skf21("6","6","4","6","6","7","3","1") = "6"
    & skf21("6","6","4","6","6","7","4","1") = "6"
    & skf21("6","6","4","6","6","7","5","1") = "6"
    & skf21("6","6","4","6","6","7","6","1") = "6"
    & skf21("6","6","4","6","6","7","7","1") = "6"
    & skf21("6","6","4","6","7","1","1","1") = "6"
    & skf21("6","6","4","6","7","1","2","1") = "6"
    & skf21("6","6","4","6","7","1","3","1") = "6"
    & skf21("6","6","4","6","7","1","4","1") = "6"
    & skf21("6","6","4","6","7","1","5","1") = "6"
    & skf21("6","6","4","6","7","1","6","1") = "6"
    & skf21("6","6","4","6","7","1","7","1") = "6"
    & skf21("6","6","4","6","7","2","1","1") = "6"
    & skf21("6","6","4","6","7","2","2","1") = "6"
    & skf21("6","6","4","6","7","2","3","1") = "6"
    & skf21("6","6","4","6","7","2","4","1") = "6"
    & skf21("6","6","4","6","7","2","5","1") = "6"
    & skf21("6","6","4","6","7","2","6","1") = "6"
    & skf21("6","6","4","6","7","2","7","1") = "6"
    & skf21("6","6","4","6","7","3","1","1") = "6"
    & skf21("6","6","4","6","7","3","2","1") = "6"
    & skf21("6","6","4","6","7","3","3","1") = "6"
    & skf21("6","6","4","6","7","3","4","1") = "6"
    & skf21("6","6","4","6","7","3","5","1") = "6"
    & skf21("6","6","4","6","7","3","6","1") = "6"
    & skf21("6","6","4","6","7","3","7","1") = "6"
    & skf21("6","6","4","6","7","4","1","1") = "6"
    & skf21("6","6","4","6","7","4","2","1") = "6"
    & skf21("6","6","4","6","7","4","3","1") = "6"
    & skf21("6","6","4","6","7","4","4","1") = "6"
    & skf21("6","6","4","6","7","4","5","1") = "6"
    & skf21("6","6","4","6","7","4","6","1") = "6"
    & skf21("6","6","4","6","7","4","7","1") = "6"
    & skf21("6","6","4","6","7","5","1","1") = "6"
    & skf21("6","6","4","6","7","5","2","1") = "6"
    & skf21("6","6","4","6","7","5","3","1") = "6"
    & skf21("6","6","4","6","7","5","4","1") = "6"
    & skf21("6","6","4","6","7","5","5","1") = "6"
    & skf21("6","6","4","6","7","5","6","1") = "6"
    & skf21("6","6","4","6","7","5","7","1") = "6"
    & skf21("6","6","4","6","7","6","1","1") = "6"
    & skf21("6","6","4","6","7","6","2","1") = "6"
    & skf21("6","6","4","6","7","6","3","1") = "6"
    & skf21("6","6","4","6","7","6","4","1") = "6"
    & skf21("6","6","4","6","7","6","5","1") = "6"
    & skf21("6","6","4","6","7","6","6","1") = "6"
    & skf21("6","6","4","6","7","6","7","1") = "6"
    & skf21("6","6","4","6","7","7","1","1") = "6"
    & skf21("6","6","4","6","7","7","2","1") = "6"
    & skf21("6","6","4","6","7","7","3","1") = "6"
    & skf21("6","6","4","6","7","7","4","1") = "6"
    & skf21("6","6","4","6","7","7","5","1") = "6"
    & skf21("6","6","4","6","7","7","6","1") = "6"
    & skf21("6","6","4","6","7","7","7","1") = "6"
    & skf21("6","6","4","7","1","1","1","1") = "6"
    & skf21("6","6","4","7","1","1","2","1") = "6"
    & skf21("6","6","4","7","1","1","3","1") = "6"
    & skf21("6","6","4","7","1","1","4","1") = "6"
    & skf21("6","6","4","7","1","1","5","1") = "6"
    & skf21("6","6","4","7","1","1","6","1") = "6"
    & skf21("6","6","4","7","1","1","7","1") = "6"
    & skf21("6","6","4","7","1","2","1","1") = "6"
    & skf21("6","6","4","7","1","2","2","1") = "6"
    & skf21("6","6","4","7","1","2","3","1") = "6"
    & skf21("6","6","4","7","1","2","4","1") = "6"
    & skf21("6","6","4","7","1","2","5","1") = "6"
    & skf21("6","6","4","7","1","2","6","1") = "6"
    & skf21("6","6","4","7","1","2","7","1") = "6"
    & skf21("6","6","4","7","1","3","1","1") = "6"
    & skf21("6","6","4","7","1","3","2","1") = "6"
    & skf21("6","6","4","7","1","3","3","1") = "6"
    & skf21("6","6","4","7","1","3","4","1") = "6"
    & skf21("6","6","4","7","1","3","5","1") = "6"
    & skf21("6","6","4","7","1","3","6","1") = "6"
    & skf21("6","6","4","7","1","3","7","1") = "6"
    & skf21("6","6","4","7","1","4","1","1") = "6"
    & skf21("6","6","4","7","1","4","2","1") = "6"
    & skf21("6","6","4","7","1","4","3","1") = "6"
    & skf21("6","6","4","7","1","4","4","1") = "6"
    & skf21("6","6","4","7","1","4","5","1") = "6"
    & skf21("6","6","4","7","1","4","6","1") = "6"
    & skf21("6","6","4","7","1","4","7","1") = "6"
    & skf21("6","6","4","7","1","5","1","1") = "6"
    & skf21("6","6","4","7","1","5","2","1") = "6"
    & skf21("6","6","4","7","1","5","3","1") = "6"
    & skf21("6","6","4","7","1","5","4","1") = "6"
    & skf21("6","6","4","7","1","5","5","1") = "6"
    & skf21("6","6","4","7","1","5","6","1") = "6"
    & skf21("6","6","4","7","1","5","7","1") = "6"
    & skf21("6","6","4","7","1","6","1","1") = "6"
    & skf21("6","6","4","7","1","6","2","1") = "6"
    & skf21("6","6","4","7","1","6","3","1") = "6"
    & skf21("6","6","4","7","1","6","4","1") = "6"
    & skf21("6","6","4","7","1","6","5","1") = "6"
    & skf21("6","6","4","7","1","6","6","1") = "6"
    & skf21("6","6","4","7","1","6","7","1") = "6"
    & skf21("6","6","4","7","1","7","1","1") = "6"
    & skf21("6","6","4","7","1","7","2","1") = "6"
    & skf21("6","6","4","7","1","7","3","1") = "6"
    & skf21("6","6","4","7","1","7","4","1") = "6"
    & skf21("6","6","4","7","1","7","5","1") = "6"
    & skf21("6","6","4","7","1","7","6","1") = "6"
    & skf21("6","6","4","7","1","7","7","1") = "6"
    & skf21("6","6","4","7","2","1","1","1") = "6"
    & skf21("6","6","4","7","2","1","2","1") = "6"
    & skf21("6","6","4","7","2","1","3","1") = "6"
    & skf21("6","6","4","7","2","1","4","1") = "6"
    & skf21("6","6","4","7","2","1","5","1") = "6"
    & skf21("6","6","4","7","2","1","6","1") = "6"
    & skf21("6","6","4","7","2","1","7","1") = "6"
    & skf21("6","6","4","7","2","2","1","1") = "6"
    & skf21("6","6","4","7","2","2","2","1") = "6"
    & skf21("6","6","4","7","2","2","3","1") = "6"
    & skf21("6","6","4","7","2","2","4","1") = "6"
    & skf21("6","6","4","7","2","2","5","1") = "6"
    & skf21("6","6","4","7","2","2","6","1") = "6"
    & skf21("6","6","4","7","2","2","7","1") = "6"
    & skf21("6","6","4","7","2","3","1","1") = "6"
    & skf21("6","6","4","7","2","3","2","1") = "6"
    & skf21("6","6","4","7","2","3","3","1") = "6"
    & skf21("6","6","4","7","2","3","4","1") = "6"
    & skf21("6","6","4","7","2","3","5","1") = "6"
    & skf21("6","6","4","7","2","3","6","1") = "6"
    & skf21("6","6","4","7","2","3","7","1") = "6"
    & skf21("6","6","4","7","2","4","1","1") = "6"
    & skf21("6","6","4","7","2","4","2","1") = "6"
    & skf21("6","6","4","7","2","4","3","1") = "6"
    & skf21("6","6","4","7","2","4","4","1") = "6"
    & skf21("6","6","4","7","2","4","5","1") = "6"
    & skf21("6","6","4","7","2","4","6","1") = "6"
    & skf21("6","6","4","7","2","4","7","1") = "6"
    & skf21("6","6","4","7","2","5","1","1") = "6"
    & skf21("6","6","4","7","2","5","2","1") = "6"
    & skf21("6","6","4","7","2","5","3","1") = "6"
    & skf21("6","6","4","7","2","5","4","1") = "6"
    & skf21("6","6","4","7","2","5","5","1") = "6"
    & skf21("6","6","4","7","2","5","6","1") = "6"
    & skf21("6","6","4","7","2","5","7","1") = "6"
    & skf21("6","6","4","7","2","6","1","1") = "6"
    & skf21("6","6","4","7","2","6","2","1") = "6"
    & skf21("6","6","4","7","2","6","3","1") = "6"
    & skf21("6","6","4","7","2","6","4","1") = "6"
    & skf21("6","6","4","7","2","6","5","1") = "6"
    & skf21("6","6","4","7","2","6","6","1") = "6"
    & skf21("6","6","4","7","2","6","7","1") = "6"
    & skf21("6","6","4","7","2","7","1","1") = "6"
    & skf21("6","6","4","7","2","7","2","1") = "6"
    & skf21("6","6","4","7","2","7","3","1") = "6"
    & skf21("6","6","4","7","2","7","4","1") = "6"
    & skf21("6","6","4","7","2","7","5","1") = "6"
    & skf21("6","6","4","7","2","7","6","1") = "6"
    & skf21("6","6","4","7","2","7","7","1") = "6"
    & skf21("6","6","4","7","3","1","1","1") = "6"
    & skf21("6","6","4","7","3","1","2","1") = "6"
    & skf21("6","6","4","7","3","1","3","1") = "6"
    & skf21("6","6","4","7","3","1","4","1") = "6"
    & skf21("6","6","4","7","3","1","5","1") = "6"
    & skf21("6","6","4","7","3","1","6","1") = "6"
    & skf21("6","6","4","7","3","1","7","1") = "6"
    & skf21("6","6","4","7","3","2","1","1") = "6"
    & skf21("6","6","4","7","3","2","2","1") = "6"
    & skf21("6","6","4","7","3","2","3","1") = "6"
    & skf21("6","6","4","7","3","2","4","1") = "6"
    & skf21("6","6","4","7","3","2","5","1") = "6"
    & skf21("6","6","4","7","3","2","6","1") = "6"
    & skf21("6","6","4","7","3","2","7","1") = "6"
    & skf21("6","6","4","7","3","3","1","1") = "6"
    & skf21("6","6","4","7","3","3","2","1") = "6"
    & skf21("6","6","4","7","3","3","3","1") = "6"
    & skf21("6","6","4","7","3","3","4","1") = "6"
    & skf21("6","6","4","7","3","3","5","1") = "6"
    & skf21("6","6","4","7","3","3","6","1") = "6"
    & skf21("6","6","4","7","3","3","7","1") = "6"
    & skf21("6","6","4","7","3","4","1","1") = "6"
    & skf21("6","6","4","7","3","4","2","1") = "6"
    & skf21("6","6","4","7","3","4","3","1") = "6"
    & skf21("6","6","4","7","3","4","4","1") = "6"
    & skf21("6","6","4","7","3","4","5","1") = "6"
    & skf21("6","6","4","7","3","4","6","1") = "6"
    & skf21("6","6","4","7","3","4","7","1") = "6"
    & skf21("6","6","4","7","3","5","1","1") = "6"
    & skf21("6","6","4","7","3","5","2","1") = "6"
    & skf21("6","6","4","7","3","5","3","1") = "6"
    & skf21("6","6","4","7","3","5","4","1") = "6"
    & skf21("6","6","4","7","3","5","5","1") = "6"
    & skf21("6","6","4","7","3","5","6","1") = "6"
    & skf21("6","6","4","7","3","5","7","1") = "6"
    & skf21("6","6","4","7","3","6","1","1") = "6"
    & skf21("6","6","4","7","3","6","2","1") = "6"
    & skf21("6","6","4","7","3","6","3","1") = "6"
    & skf21("6","6","4","7","3","6","4","1") = "6"
    & skf21("6","6","4","7","3","6","5","1") = "6"
    & skf21("6","6","4","7","3","6","6","1") = "6"
    & skf21("6","6","4","7","3","6","7","1") = "6"
    & skf21("6","6","4","7","3","7","1","1") = "6"
    & skf21("6","6","4","7","3","7","2","1") = "6"
    & skf21("6","6","4","7","3","7","3","1") = "6"
    & skf21("6","6","4","7","3","7","4","1") = "6"
    & skf21("6","6","4","7","3","7","5","1") = "6"
    & skf21("6","6","4","7","3","7","6","1") = "6"
    & skf21("6","6","4","7","3","7","7","1") = "6"
    & skf21("6","6","4","7","4","1","1","1") = "6"
    & skf21("6","6","4","7","4","1","2","1") = "6"
    & skf21("6","6","4","7","4","1","3","1") = "6"
    & skf21("6","6","4","7","4","1","4","1") = "6"
    & skf21("6","6","4","7","4","1","5","1") = "6"
    & skf21("6","6","4","7","4","1","6","1") = "6"
    & skf21("6","6","4","7","4","1","7","1") = "6"
    & skf21("6","6","4","7","4","2","1","1") = "6"
    & skf21("6","6","4","7","4","2","2","1") = "6"
    & skf21("6","6","4","7","4","2","3","1") = "6"
    & skf21("6","6","4","7","4","2","4","1") = "6"
    & skf21("6","6","4","7","4","2","5","1") = "6"
    & skf21("6","6","4","7","4","2","6","1") = "6"
    & skf21("6","6","4","7","4","2","7","1") = "6"
    & skf21("6","6","4","7","4","3","1","1") = "6"
    & skf21("6","6","4","7","4","3","2","1") = "6"
    & skf21("6","6","4","7","4","3","3","1") = "6"
    & skf21("6","6","4","7","4","3","4","1") = "6"
    & skf21("6","6","4","7","4","3","5","1") = "6"
    & skf21("6","6","4","7","4","3","6","1") = "6"
    & skf21("6","6","4","7","4","3","7","1") = "6"
    & skf21("6","6","4","7","4","4","1","1") = "6"
    & skf21("6","6","4","7","4","4","2","1") = "6"
    & skf21("6","6","4","7","4","4","3","1") = "6"
    & skf21("6","6","4","7","4","4","4","1") = "6"
    & skf21("6","6","4","7","4","4","5","1") = "6"
    & skf21("6","6","4","7","4","4","6","1") = "6"
    & skf21("6","6","4","7","4","4","7","1") = "6"
    & skf21("6","6","4","7","4","5","1","1") = "6"
    & skf21("6","6","4","7","4","5","2","1") = "6"
    & skf21("6","6","4","7","4","5","3","1") = "6"
    & skf21("6","6","4","7","4","5","4","1") = "6"
    & skf21("6","6","4","7","4","5","5","1") = "6"
    & skf21("6","6","4","7","4","5","6","1") = "6"
    & skf21("6","6","4","7","4","5","7","1") = "6"
    & skf21("6","6","4","7","4","6","1","1") = "6"
    & skf21("6","6","4","7","4","6","2","1") = "6"
    & skf21("6","6","4","7","4","6","3","1") = "6"
    & skf21("6","6","4","7","4","6","4","1") = "6"
    & skf21("6","6","4","7","4","6","5","1") = "6"
    & skf21("6","6","4","7","4","6","6","1") = "6"
    & skf21("6","6","4","7","4","6","7","1") = "6"
    & skf21("6","6","4","7","4","7","1","1") = "6"
    & skf21("6","6","4","7","4","7","2","1") = "6"
    & skf21("6","6","4","7","4","7","3","1") = "6"
    & skf21("6","6","4","7","4","7","4","1") = "6"
    & skf21("6","6","4","7","4","7","5","1") = "6"
    & skf21("6","6","4","7","4","7","6","1") = "6"
    & skf21("6","6","4","7","4","7","7","1") = "6"
    & skf21("6","6","4","7","5","1","1","1") = "6"
    & skf21("6","6","4","7","5","1","2","1") = "6"
    & skf21("6","6","4","7","5","1","3","1") = "6"
    & skf21("6","6","4","7","5","1","4","1") = "6"
    & skf21("6","6","4","7","5","1","5","1") = "6"
    & skf21("6","6","4","7","5","1","6","1") = "6"
    & skf21("6","6","4","7","5","1","7","1") = "6"
    & skf21("6","6","4","7","5","2","1","1") = "6"
    & skf21("6","6","4","7","5","2","2","1") = "6"
    & skf21("6","6","4","7","5","2","3","1") = "6"
    & skf21("6","6","4","7","5","2","4","1") = "6"
    & skf21("6","6","4","7","5","2","5","1") = "6"
    & skf21("6","6","4","7","5","2","6","1") = "6"
    & skf21("6","6","4","7","5","2","7","1") = "6"
    & skf21("6","6","4","7","5","3","1","1") = "6"
    & skf21("6","6","4","7","5","3","2","1") = "6"
    & skf21("6","6","4","7","5","3","3","1") = "6"
    & skf21("6","6","4","7","5","3","4","1") = "6"
    & skf21("6","6","4","7","5","3","5","1") = "6"
    & skf21("6","6","4","7","5","3","6","1") = "6"
    & skf21("6","6","4","7","5","3","7","1") = "6"
    & skf21("6","6","4","7","5","4","1","1") = "6"
    & skf21("6","6","4","7","5","4","2","1") = "6"
    & skf21("6","6","4","7","5","4","3","1") = "6"
    & skf21("6","6","4","7","5","4","4","1") = "6"
    & skf21("6","6","4","7","5","4","5","1") = "6"
    & skf21("6","6","4","7","5","4","6","1") = "6"
    & skf21("6","6","4","7","5","4","7","1") = "6"
    & skf21("6","6","4","7","5","5","1","1") = "6"
    & skf21("6","6","4","7","5","5","2","1") = "6"
    & skf21("6","6","4","7","5","5","3","1") = "6"
    & skf21("6","6","4","7","5","5","4","1") = "6"
    & skf21("6","6","4","7","5","5","5","1") = "6"
    & skf21("6","6","4","7","5","5","6","1") = "6"
    & skf21("6","6","4","7","5","5","7","1") = "6"
    & skf21("6","6","4","7","5","6","1","1") = "6"
    & skf21("6","6","4","7","5","6","2","1") = "6"
    & skf21("6","6","4","7","5","6","3","1") = "6"
    & skf21("6","6","4","7","5","6","4","1") = "6"
    & skf21("6","6","4","7","5","6","5","1") = "6"
    & skf21("6","6","4","7","5","6","6","1") = "6"
    & skf21("6","6","4","7","5","6","7","1") = "6"
    & skf21("6","6","4","7","5","7","1","1") = "6"
    & skf21("6","6","4","7","5","7","2","1") = "6"
    & skf21("6","6","4","7","5","7","3","1") = "6"
    & skf21("6","6","4","7","5","7","4","1") = "6"
    & skf21("6","6","4","7","5","7","5","1") = "6"
    & skf21("6","6","4","7","5","7","6","1") = "6"
    & skf21("6","6","4","7","5","7","7","1") = "6"
    & skf21("6","6","4","7","6","1","1","1") = "6"
    & skf21("6","6","4","7","6","1","2","1") = "6"
    & skf21("6","6","4","7","6","1","3","1") = "6"
    & skf21("6","6","4","7","6","1","4","1") = "6"
    & skf21("6","6","4","7","6","1","5","1") = "6"
    & skf21("6","6","4","7","6","1","6","1") = "6"
    & skf21("6","6","4","7","6","1","7","1") = "6"
    & skf21("6","6","4","7","6","2","1","1") = "6"
    & skf21("6","6","4","7","6","2","2","1") = "6"
    & skf21("6","6","4","7","6","2","3","1") = "6"
    & skf21("6","6","4","7","6","2","4","1") = "6"
    & skf21("6","6","4","7","6","2","5","1") = "6"
    & skf21("6","6","4","7","6","2","6","1") = "6"
    & skf21("6","6","4","7","6","2","7","1") = "6"
    & skf21("6","6","4","7","6","3","1","1") = "6"
    & skf21("6","6","4","7","6","3","2","1") = "6"
    & skf21("6","6","4","7","6","3","3","1") = "6"
    & skf21("6","6","4","7","6","3","4","1") = "6"
    & skf21("6","6","4","7","6","3","5","1") = "6"
    & skf21("6","6","4","7","6","3","6","1") = "6"
    & skf21("6","6","4","7","6","3","7","1") = "6"
    & skf21("6","6","4","7","6","4","1","1") = "6"
    & skf21("6","6","4","7","6","4","2","1") = "6"
    & skf21("6","6","4","7","6","4","3","1") = "6"
    & skf21("6","6","4","7","6","4","4","1") = "6"
    & skf21("6","6","4","7","6","4","5","1") = "6"
    & skf21("6","6","4","7","6","4","6","1") = "6"
    & skf21("6","6","4","7","6","4","7","1") = "6"
    & skf21("6","6","4","7","6","5","1","1") = "6"
    & skf21("6","6","4","7","6","5","2","1") = "6"
    & skf21("6","6","4","7","6","5","3","1") = "6"
    & skf21("6","6","4","7","6","5","4","1") = "6"
    & skf21("6","6","4","7","6","5","5","1") = "6"
    & skf21("6","6","4","7","6","5","6","1") = "6"
    & skf21("6","6","4","7","6","5","7","1") = "6"
    & skf21("6","6","4","7","6","6","1","1") = "6"
    & skf21("6","6","4","7","6","6","2","1") = "6"
    & skf21("6","6","4","7","6","6","3","1") = "6"
    & skf21("6","6","4","7","6","6","4","1") = "6"
    & skf21("6","6","4","7","6","6","5","1") = "6"
    & skf21("6","6","4","7","6","6","6","1") = "6"
    & skf21("6","6","4","7","6","6","7","1") = "6"
    & skf21("6","6","4","7","6","7","1","1") = "6"
    & skf21("6","6","4","7","6","7","2","1") = "6"
    & skf21("6","6","4","7","6","7","3","1") = "6"
    & skf21("6","6","4","7","6","7","4","1") = "6"
    & skf21("6","6","4","7","6","7","5","1") = "6"
    & skf21("6","6","4","7","6","7","6","1") = "6"
    & skf21("6","6","4","7","6","7","7","1") = "6"
    & skf21("6","6","4","7","7","1","1","1") = "6"
    & skf21("6","6","4","7","7","1","2","1") = "6"
    & skf21("6","6","4","7","7","1","3","1") = "6"
    & skf21("6","6","4","7","7","1","4","1") = "6"
    & skf21("6","6","4","7","7","1","5","1") = "6"
    & skf21("6","6","4","7","7","1","6","1") = "6"
    & skf21("6","6","4","7","7","1","7","1") = "6"
    & skf21("6","6","4","7","7","2","1","1") = "6"
    & skf21("6","6","4","7","7","2","2","1") = "6"
    & skf21("6","6","4","7","7","2","3","1") = "6"
    & skf21("6","6","4","7","7","2","4","1") = "6"
    & skf21("6","6","4","7","7","2","5","1") = "6"
    & skf21("6","6","4","7","7","2","6","1") = "6"
    & skf21("6","6","4","7","7","2","7","1") = "6"
    & skf21("6","6","4","7","7","3","1","1") = "6"
    & skf21("6","6","4","7","7","3","2","1") = "6"
    & skf21("6","6","4","7","7","3","3","1") = "6"
    & skf21("6","6","4","7","7","3","4","1") = "6"
    & skf21("6","6","4","7","7","3","5","1") = "6"
    & skf21("6","6","4","7","7","3","6","1") = "6"
    & skf21("6","6","4","7","7","3","7","1") = "6"
    & skf21("6","6","4","7","7","4","1","1") = "6"
    & skf21("6","6","4","7","7","4","2","1") = "6"
    & skf21("6","6","4","7","7","4","3","1") = "6"
    & skf21("6","6","4","7","7","4","4","1") = "6"
    & skf21("6","6","4","7","7","4","5","1") = "6"
    & skf21("6","6","4","7","7","4","6","1") = "6"
    & skf21("6","6","4","7","7","4","7","1") = "6"
    & skf21("6","6","4","7","7","5","1","1") = "6"
    & skf21("6","6","4","7","7","5","2","1") = "6"
    & skf21("6","6","4","7","7","5","3","1") = "6"
    & skf21("6","6","4","7","7","5","4","1") = "6"
    & skf21("6","6","4","7","7","5","5","1") = "6"
    & skf21("6","6","4","7","7","5","6","1") = "6"
    & skf21("6","6","4","7","7","5","7","1") = "6"
    & skf21("6","6","4","7","7","6","1","1") = "6"
    & skf21("6","6","4","7","7","6","2","1") = "6"
    & skf21("6","6","4","7","7","6","3","1") = "6"
    & skf21("6","6","4","7","7","6","4","1") = "6"
    & skf21("6","6","4","7","7","6","5","1") = "6"
    & skf21("6","6","4","7","7","6","6","1") = "6"
    & skf21("6","6","4","7","7","6","7","1") = "6"
    & skf21("6","6","4","7","7","7","1","1") = "6"
    & skf21("6","6","4","7","7","7","2","1") = "6"
    & skf21("6","6","4","7","7","7","3","1") = "6"
    & skf21("6","6","4","7","7","7","4","1") = "6"
    & skf21("6","6","4","7","7","7","5","1") = "6"
    & skf21("6","6","4","7","7","7","6","1") = "6"
    & skf21("6","6","4","7","7","7","7","1") = "6"
    & skf21("6","6","5","1","1","1","1","1") = "5"
    & skf21("6","6","5","1","1","1","2","1") = "5"
    & skf21("6","6","5","1","1","1","3","1") = "5"
    & skf21("6","6","5","1","1","1","4","1") = "5"
    & skf21("6","6","5","1","1","1","5","1") = "5"
    & skf21("6","6","5","1","1","1","6","1") = "5"
    & skf21("6","6","5","1","1","1","7","1") = "6"
    & skf21("6","6","5","1","1","2","1","1") = "5"
    & skf21("6","6","5","1","1","2","2","1") = "5"
    & skf21("6","6","5","1","1","2","3","1") = "5"
    & skf21("6","6","5","1","1","2","4","1") = "5"
    & skf21("6","6","5","1","1","2","5","1") = "5"
    & skf21("6","6","5","1","1","2","6","1") = "5"
    & skf21("6","6","5","1","1","2","7","1") = "6"
    & skf21("6","6","5","1","1","3","1","1") = "5"
    & skf21("6","6","5","1","1","3","2","1") = "5"
    & skf21("6","6","5","1","1","3","3","1") = "5"
    & skf21("6","6","5","1","1","3","4","1") = "5"
    & skf21("6","6","5","1","1","3","5","1") = "5"
    & skf21("6","6","5","1","1","3","6","1") = "5"
    & skf21("6","6","5","1","1","3","7","1") = "6"
    & skf21("6","6","5","1","1","4","1","1") = "5"
    & skf21("6","6","5","1","1","4","2","1") = "5"
    & skf21("6","6","5","1","1","4","3","1") = "5"
    & skf21("6","6","5","1","1","4","4","1") = "5"
    & skf21("6","6","5","1","1","4","5","1") = "5"
    & skf21("6","6","5","1","1","4","6","1") = "5"
    & skf21("6","6","5","1","1","4","7","1") = "6"
    & skf21("6","6","5","1","1","5","1","1") = "5"
    & skf21("6","6","5","1","1","5","2","1") = "5"
    & skf21("6","6","5","1","1","5","3","1") = "5"
    & skf21("6","6","5","1","1","5","4","1") = "5"
    & skf21("6","6","5","1","1","5","5","1") = "5"
    & skf21("6","6","5","1","1","5","6","1") = "5"
    & skf21("6","6","5","1","1","5","7","1") = "6"
    & skf21("6","6","5","1","1","6","1","1") = "5"
    & skf21("6","6","5","1","1","6","2","1") = "5"
    & skf21("6","6","5","1","1","6","3","1") = "5"
    & skf21("6","6","5","1","1","6","4","1") = "5"
    & skf21("6","6","5","1","1","6","5","1") = "5"
    & skf21("6","6","5","1","1","6","6","1") = "5"
    & skf21("6","6","5","1","1","6","7","1") = "6"
    & skf21("6","6","5","1","1","7","1","1") = "6"
    & skf21("6","6","5","1","1","7","2","1") = "6"
    & skf21("6","6","5","1","1","7","3","1") = "6"
    & skf21("6","6","5","1","1","7","4","1") = "6"
    & skf21("6","6","5","1","1","7","5","1") = "6"
    & skf21("6","6","5","1","1","7","6","1") = "6"
    & skf21("6","6","5","1","1","7","7","1") = "6"
    & skf21("6","6","5","1","2","1","1","1") = "5"
    & skf21("6","6","5","1","2","1","2","1") = "5"
    & skf21("6","6","5","1","2","1","3","1") = "5"
    & skf21("6","6","5","1","2","1","4","1") = "5"
    & skf21("6","6","5","1","2","1","5","1") = "5"
    & skf21("6","6","5","1","2","1","6","1") = "5"
    & skf21("6","6","5","1","2","1","7","1") = "6"
    & skf21("6","6","5","1","2","2","1","1") = "5"
    & skf21("6","6","5","1","2","2","2","1") = "5"
    & skf21("6","6","5","1","2","2","3","1") = "5"
    & skf21("6","6","5","1","2","2","4","1") = "5"
    & skf21("6","6","5","1","2","2","5","1") = "5"
    & skf21("6","6","5","1","2","2","6","1") = "5"
    & skf21("6","6","5","1","2","2","7","1") = "6"
    & skf21("6","6","5","1","2","3","1","1") = "5"
    & skf21("6","6","5","1","2","3","2","1") = "5"
    & skf21("6","6","5","1","2","3","3","1") = "5"
    & skf21("6","6","5","1","2","3","4","1") = "5"
    & skf21("6","6","5","1","2","3","5","1") = "5"
    & skf21("6","6","5","1","2","3","6","1") = "5"
    & skf21("6","6","5","1","2","3","7","1") = "6"
    & skf21("6","6","5","1","2","4","1","1") = "5"
    & skf21("6","6","5","1","2","4","2","1") = "5"
    & skf21("6","6","5","1","2","4","3","1") = "5"
    & skf21("6","6","5","1","2","4","4","1") = "5"
    & skf21("6","6","5","1","2","4","5","1") = "5"
    & skf21("6","6","5","1","2","4","6","1") = "5"
    & skf21("6","6","5","1","2","4","7","1") = "6"
    & skf21("6","6","5","1","2","5","1","1") = "5"
    & skf21("6","6","5","1","2","5","2","1") = "5"
    & skf21("6","6","5","1","2","5","3","1") = "5"
    & skf21("6","6","5","1","2","5","4","1") = "5"
    & skf21("6","6","5","1","2","5","5","1") = "5"
    & skf21("6","6","5","1","2","5","6","1") = "5"
    & skf21("6","6","5","1","2","5","7","1") = "6"
    & skf21("6","6","5","1","2","6","1","1") = "5"
    & skf21("6","6","5","1","2","6","2","1") = "5"
    & skf21("6","6","5","1","2","6","3","1") = "5"
    & skf21("6","6","5","1","2","6","4","1") = "5"
    & skf21("6","6","5","1","2","6","5","1") = "5"
    & skf21("6","6","5","1","2","6","6","1") = "5"
    & skf21("6","6","5","1","2","6","7","1") = "6"
    & skf21("6","6","5","1","2","7","1","1") = "6"
    & skf21("6","6","5","1","2","7","2","1") = "6"
    & skf21("6","6","5","1","2","7","3","1") = "6"
    & skf21("6","6","5","1","2","7","4","1") = "6"
    & skf21("6","6","5","1","2","7","5","1") = "6"
    & skf21("6","6","5","1","2","7","6","1") = "6"
    & skf21("6","6","5","1","2","7","7","1") = "6"
    & skf21("6","6","5","1","3","1","1","1") = "5"
    & skf21("6","6","5","1","3","1","2","1") = "5"
    & skf21("6","6","5","1","3","1","3","1") = "5"
    & skf21("6","6","5","1","3","1","4","1") = "5"
    & skf21("6","6","5","1","3","1","5","1") = "5"
    & skf21("6","6","5","1","3","1","6","1") = "5"
    & skf21("6","6","5","1","3","1","7","1") = "6"
    & skf21("6","6","5","1","3","2","1","1") = "5"
    & skf21("6","6","5","1","3","2","2","1") = "5"
    & skf21("6","6","5","1","3","2","3","1") = "5"
    & skf21("6","6","5","1","3","2","4","1") = "5"
    & skf21("6","6","5","1","3","2","5","1") = "5"
    & skf21("6","6","5","1","3","2","6","1") = "5"
    & skf21("6","6","5","1","3","2","7","1") = "6"
    & skf21("6","6","5","1","3","3","1","1") = "5"
    & skf21("6","6","5","1","3","3","2","1") = "5"
    & skf21("6","6","5","1","3","3","3","1") = "5"
    & skf21("6","6","5","1","3","3","4","1") = "5"
    & skf21("6","6","5","1","3","3","5","1") = "5"
    & skf21("6","6","5","1","3","3","6","1") = "5"
    & skf21("6","6","5","1","3","3","7","1") = "6"
    & skf21("6","6","5","1","3","4","1","1") = "5"
    & skf21("6","6","5","1","3","4","2","1") = "5"
    & skf21("6","6","5","1","3","4","3","1") = "5"
    & skf21("6","6","5","1","3","4","4","1") = "5"
    & skf21("6","6","5","1","3","4","5","1") = "5"
    & skf21("6","6","5","1","3","4","6","1") = "5"
    & skf21("6","6","5","1","3","4","7","1") = "6"
    & skf21("6","6","5","1","3","5","1","1") = "5"
    & skf21("6","6","5","1","3","5","2","1") = "5"
    & skf21("6","6","5","1","3","5","3","1") = "5"
    & skf21("6","6","5","1","3","5","4","1") = "5"
    & skf21("6","6","5","1","3","5","5","1") = "5"
    & skf21("6","6","5","1","3","5","6","1") = "5"
    & skf21("6","6","5","1","3","5","7","1") = "6"
    & skf21("6","6","5","1","3","6","1","1") = "5"
    & skf21("6","6","5","1","3","6","2","1") = "5"
    & skf21("6","6","5","1","3","6","3","1") = "5"
    & skf21("6","6","5","1","3","6","4","1") = "5"
    & skf21("6","6","5","1","3","6","5","1") = "5"
    & skf21("6","6","5","1","3","6","6","1") = "5"
    & skf21("6","6","5","1","3","6","7","1") = "6"
    & skf21("6","6","5","1","3","7","1","1") = "6"
    & skf21("6","6","5","1","3","7","2","1") = "6"
    & skf21("6","6","5","1","3","7","3","1") = "6"
    & skf21("6","6","5","1","3","7","4","1") = "6"
    & skf21("6","6","5","1","3","7","5","1") = "6"
    & skf21("6","6","5","1","3","7","6","1") = "6"
    & skf21("6","6","5","1","3","7","7","1") = "6"
    & skf21("6","6","5","1","4","1","1","1") = "5"
    & skf21("6","6","5","1","4","1","2","1") = "5"
    & skf21("6","6","5","1","4","1","3","1") = "5"
    & skf21("6","6","5","1","4","1","4","1") = "5"
    & skf21("6","6","5","1","4","1","5","1") = "5"
    & skf21("6","6","5","1","4","1","6","1") = "5"
    & skf21("6","6","5","1","4","1","7","1") = "6"
    & skf21("6","6","5","1","4","2","1","1") = "5"
    & skf21("6","6","5","1","4","2","2","1") = "5"
    & skf21("6","6","5","1","4","2","3","1") = "5"
    & skf21("6","6","5","1","4","2","4","1") = "5"
    & skf21("6","6","5","1","4","2","5","1") = "5"
    & skf21("6","6","5","1","4","2","6","1") = "5"
    & skf21("6","6","5","1","4","2","7","1") = "6"
    & skf21("6","6","5","1","4","3","1","1") = "5"
    & skf21("6","6","5","1","4","3","2","1") = "5"
    & skf21("6","6","5","1","4","3","3","1") = "5"
    & skf21("6","6","5","1","4","3","4","1") = "5"
    & skf21("6","6","5","1","4","3","5","1") = "5"
    & skf21("6","6","5","1","4","3","6","1") = "5"
    & skf21("6","6","5","1","4","3","7","1") = "6"
    & skf21("6","6","5","1","4","4","1","1") = "5"
    & skf21("6","6","5","1","4","4","2","1") = "5"
    & skf21("6","6","5","1","4","4","3","1") = "5"
    & skf21("6","6","5","1","4","4","4","1") = "5"
    & skf21("6","6","5","1","4","4","5","1") = "5"
    & skf21("6","6","5","1","4","4","6","1") = "5"
    & skf21("6","6","5","1","4","4","7","1") = "6"
    & skf21("6","6","5","1","4","5","1","1") = "5"
    & skf21("6","6","5","1","4","5","2","1") = "5"
    & skf21("6","6","5","1","4","5","3","1") = "5"
    & skf21("6","6","5","1","4","5","4","1") = "5"
    & skf21("6","6","5","1","4","5","5","1") = "5"
    & skf21("6","6","5","1","4","5","6","1") = "5"
    & skf21("6","6","5","1","4","5","7","1") = "6"
    & skf21("6","6","5","1","4","6","1","1") = "5"
    & skf21("6","6","5","1","4","6","2","1") = "5"
    & skf21("6","6","5","1","4","6","3","1") = "5"
    & skf21("6","6","5","1","4","6","4","1") = "5"
    & skf21("6","6","5","1","4","6","5","1") = "5"
    & skf21("6","6","5","1","4","6","6","1") = "5"
    & skf21("6","6","5","1","4","6","7","1") = "6"
    & skf21("6","6","5","1","4","7","1","1") = "6"
    & skf21("6","6","5","1","4","7","2","1") = "6"
    & skf21("6","6","5","1","4","7","3","1") = "6"
    & skf21("6","6","5","1","4","7","4","1") = "6"
    & skf21("6","6","5","1","4","7","5","1") = "6"
    & skf21("6","6","5","1","4","7","6","1") = "6"
    & skf21("6","6","5","1","4","7","7","1") = "6"
    & skf21("6","6","5","1","5","1","1","1") = "5"
    & skf21("6","6","5","1","5","1","2","1") = "5"
    & skf21("6","6","5","1","5","1","3","1") = "5"
    & skf21("6","6","5","1","5","1","4","1") = "5"
    & skf21("6","6","5","1","5","1","5","1") = "5"
    & skf21("6","6","5","1","5","1","6","1") = "5"
    & skf21("6","6","5","1","5","1","7","1") = "6"
    & skf21("6","6","5","1","5","2","1","1") = "5"
    & skf21("6","6","5","1","5","2","2","1") = "5"
    & skf21("6","6","5","1","5","2","3","1") = "5"
    & skf21("6","6","5","1","5","2","4","1") = "5"
    & skf21("6","6","5","1","5","2","5","1") = "5"
    & skf21("6","6","5","1","5","2","6","1") = "5"
    & skf21("6","6","5","1","5","2","7","1") = "6"
    & skf21("6","6","5","1","5","3","1","1") = "5"
    & skf21("6","6","5","1","5","3","2","1") = "5"
    & skf21("6","6","5","1","5","3","3","1") = "5"
    & skf21("6","6","5","1","5","3","4","1") = "5"
    & skf21("6","6","5","1","5","3","5","1") = "5"
    & skf21("6","6","5","1","5","3","6","1") = "5"
    & skf21("6","6","5","1","5","3","7","1") = "6"
    & skf21("6","6","5","1","5","4","1","1") = "5"
    & skf21("6","6","5","1","5","4","2","1") = "5"
    & skf21("6","6","5","1","5","4","3","1") = "5"
    & skf21("6","6","5","1","5","4","4","1") = "5"
    & skf21("6","6","5","1","5","4","5","1") = "5"
    & skf21("6","6","5","1","5","4","6","1") = "5"
    & skf21("6","6","5","1","5","4","7","1") = "6"
    & skf21("6","6","5","1","5","5","1","1") = "5"
    & skf21("6","6","5","1","5","5","2","1") = "5"
    & skf21("6","6","5","1","5","5","3","1") = "5"
    & skf21("6","6","5","1","5","5","4","1") = "5"
    & skf21("6","6","5","1","5","5","5","1") = "5"
    & skf21("6","6","5","1","5","5","6","1") = "5"
    & skf21("6","6","5","1","5","5","7","1") = "6"
    & skf21("6","6","5","1","5","6","1","1") = "5"
    & skf21("6","6","5","1","5","6","2","1") = "5"
    & skf21("6","6","5","1","5","6","3","1") = "5"
    & skf21("6","6","5","1","5","6","4","1") = "5"
    & skf21("6","6","5","1","5","6","5","1") = "5"
    & skf21("6","6","5","1","5","6","6","1") = "5"
    & skf21("6","6","5","1","5","6","7","1") = "6"
    & skf21("6","6","5","1","5","7","1","1") = "6"
    & skf21("6","6","5","1","5","7","2","1") = "6"
    & skf21("6","6","5","1","5","7","3","1") = "6"
    & skf21("6","6","5","1","5","7","4","1") = "6"
    & skf21("6","6","5","1","5","7","5","1") = "6"
    & skf21("6","6","5","1","5","7","6","1") = "6"
    & skf21("6","6","5","1","5","7","7","1") = "6"
    & skf21("6","6","5","1","6","1","1","1") = "5"
    & skf21("6","6","5","1","6","1","2","1") = "5"
    & skf21("6","6","5","1","6","1","3","1") = "5"
    & skf21("6","6","5","1","6","1","4","1") = "5"
    & skf21("6","6","5","1","6","1","5","1") = "5"
    & skf21("6","6","5","1","6","1","6","1") = "5"
    & skf21("6","6","5","1","6","1","7","1") = "6"
    & skf21("6","6","5","1","6","2","1","1") = "5"
    & skf21("6","6","5","1","6","2","2","1") = "5"
    & skf21("6","6","5","1","6","2","3","1") = "5"
    & skf21("6","6","5","1","6","2","4","1") = "5"
    & skf21("6","6","5","1","6","2","5","1") = "5"
    & skf21("6","6","5","1","6","2","6","1") = "5"
    & skf21("6","6","5","1","6","2","7","1") = "6"
    & skf21("6","6","5","1","6","3","1","1") = "5"
    & skf21("6","6","5","1","6","3","2","1") = "5"
    & skf21("6","6","5","1","6","3","3","1") = "5"
    & skf21("6","6","5","1","6","3","4","1") = "5"
    & skf21("6","6","5","1","6","3","5","1") = "5"
    & skf21("6","6","5","1","6","3","6","1") = "5"
    & skf21("6","6","5","1","6","3","7","1") = "6"
    & skf21("6","6","5","1","6","4","1","1") = "5"
    & skf21("6","6","5","1","6","4","2","1") = "5"
    & skf21("6","6","5","1","6","4","3","1") = "5"
    & skf21("6","6","5","1","6","4","4","1") = "5"
    & skf21("6","6","5","1","6","4","5","1") = "5"
    & skf21("6","6","5","1","6","4","6","1") = "5"
    & skf21("6","6","5","1","6","4","7","1") = "6"
    & skf21("6","6","5","1","6","5","1","1") = "5"
    & skf21("6","6","5","1","6","5","2","1") = "5"
    & skf21("6","6","5","1","6","5","3","1") = "5"
    & skf21("6","6","5","1","6","5","4","1") = "5"
    & skf21("6","6","5","1","6","5","5","1") = "5"
    & skf21("6","6","5","1","6","5","6","1") = "5"
    & skf21("6","6","5","1","6","5","7","1") = "6"
    & skf21("6","6","5","1","6","6","1","1") = "5"
    & skf21("6","6","5","1","6","6","2","1") = "5"
    & skf21("6","6","5","1","6","6","3","1") = "5"
    & skf21("6","6","5","1","6","6","4","1") = "5"
    & skf21("6","6","5","1","6","6","5","1") = "5"
    & skf21("6","6","5","1","6","6","6","1") = "5"
    & skf21("6","6","5","1","6","6","7","1") = "6"
    & skf21("6","6","5","1","6","7","1","1") = "6"
    & skf21("6","6","5","1","6","7","2","1") = "6"
    & skf21("6","6","5","1","6","7","3","1") = "6"
    & skf21("6","6","5","1","6","7","4","1") = "6"
    & skf21("6","6","5","1","6","7","5","1") = "6"
    & skf21("6","6","5","1","6","7","6","1") = "6"
    & skf21("6","6","5","1","6","7","7","1") = "6"
    & skf21("6","6","5","1","7","1","1","1") = "6"
    & skf21("6","6","5","1","7","1","2","1") = "6"
    & skf21("6","6","5","1","7","1","3","1") = "6"
    & skf21("6","6","5","1","7","1","4","1") = "6"
    & skf21("6","6","5","1","7","1","5","1") = "6"
    & skf21("6","6","5","1","7","1","6","1") = "6"
    & skf21("6","6","5","1","7","1","7","1") = "6"
    & skf21("6","6","5","1","7","2","1","1") = "6"
    & skf21("6","6","5","1","7","2","2","1") = "6"
    & skf21("6","6","5","1","7","2","3","1") = "6"
    & skf21("6","6","5","1","7","2","4","1") = "6"
    & skf21("6","6","5","1","7","2","5","1") = "6"
    & skf21("6","6","5","1","7","2","6","1") = "6"
    & skf21("6","6","5","1","7","2","7","1") = "6"
    & skf21("6","6","5","1","7","3","1","1") = "6"
    & skf21("6","6","5","1","7","3","2","1") = "6"
    & skf21("6","6","5","1","7","3","3","1") = "6"
    & skf21("6","6","5","1","7","3","4","1") = "6"
    & skf21("6","6","5","1","7","3","5","1") = "6"
    & skf21("6","6","5","1","7","3","6","1") = "6"
    & skf21("6","6","5","1","7","3","7","1") = "6"
    & skf21("6","6","5","1","7","4","1","1") = "6"
    & skf21("6","6","5","1","7","4","2","1") = "6"
    & skf21("6","6","5","1","7","4","3","1") = "6"
    & skf21("6","6","5","1","7","4","4","1") = "6"
    & skf21("6","6","5","1","7","4","5","1") = "6"
    & skf21("6","6","5","1","7","4","6","1") = "6"
    & skf21("6","6","5","1","7","4","7","1") = "6"
    & skf21("6","6","5","1","7","5","1","1") = "6"
    & skf21("6","6","5","1","7","5","2","1") = "6"
    & skf21("6","6","5","1","7","5","3","1") = "6"
    & skf21("6","6","5","1","7","5","4","1") = "6"
    & skf21("6","6","5","1","7","5","5","1") = "6"
    & skf21("6","6","5","1","7","5","6","1") = "6"
    & skf21("6","6","5","1","7","5","7","1") = "6"
    & skf21("6","6","5","1","7","6","1","1") = "6"
    & skf21("6","6","5","1","7","6","2","1") = "6"
    & skf21("6","6","5","1","7","6","3","1") = "6"
    & skf21("6","6","5","1","7","6","4","1") = "6"
    & skf21("6","6","5","1","7","6","5","1") = "6"
    & skf21("6","6","5","1","7","6","6","1") = "6"
    & skf21("6","6","5","1","7","6","7","1") = "6"
    & skf21("6","6","5","1","7","7","1","1") = "6"
    & skf21("6","6","5","1","7","7","2","1") = "6"
    & skf21("6","6","5","1","7","7","3","1") = "6"
    & skf21("6","6","5","1","7","7","4","1") = "6"
    & skf21("6","6","5","1","7","7","5","1") = "6"
    & skf21("6","6","5","1","7","7","6","1") = "6"
    & skf21("6","6","5","1","7","7","7","1") = "6"
    & skf21("6","6","5","2","1","1","1","1") = "5"
    & skf21("6","6","5","2","1","1","2","1") = "5"
    & skf21("6","6","5","2","1","1","3","1") = "5"
    & skf21("6","6","5","2","1","1","4","1") = "5"
    & skf21("6","6","5","2","1","1","5","1") = "5"
    & skf21("6","6","5","2","1","1","6","1") = "5"
    & skf21("6","6","5","2","1","1","7","1") = "6"
    & skf21("6","6","5","2","1","2","1","1") = "5"
    & skf21("6","6","5","2","1","2","2","1") = "5"
    & skf21("6","6","5","2","1","2","3","1") = "5"
    & skf21("6","6","5","2","1","2","4","1") = "5"
    & skf21("6","6","5","2","1","2","5","1") = "5"
    & skf21("6","6","5","2","1","2","6","1") = "5"
    & skf21("6","6","5","2","1","2","7","1") = "6"
    & skf21("6","6","5","2","1","3","1","1") = "5"
    & skf21("6","6","5","2","1","3","2","1") = "5"
    & skf21("6","6","5","2","1","3","3","1") = "5"
    & skf21("6","6","5","2","1","3","4","1") = "5"
    & skf21("6","6","5","2","1","3","5","1") = "5"
    & skf21("6","6","5","2","1","3","6","1") = "5"
    & skf21("6","6","5","2","1","3","7","1") = "6"
    & skf21("6","6","5","2","1","4","1","1") = "5"
    & skf21("6","6","5","2","1","4","2","1") = "5"
    & skf21("6","6","5","2","1","4","3","1") = "5"
    & skf21("6","6","5","2","1","4","4","1") = "5"
    & skf21("6","6","5","2","1","4","5","1") = "5"
    & skf21("6","6","5","2","1","4","6","1") = "5"
    & skf21("6","6","5","2","1","4","7","1") = "6"
    & skf21("6","6","5","2","1","5","1","1") = "5"
    & skf21("6","6","5","2","1","5","2","1") = "5"
    & skf21("6","6","5","2","1","5","3","1") = "5"
    & skf21("6","6","5","2","1","5","4","1") = "5"
    & skf21("6","6","5","2","1","5","5","1") = "5"
    & skf21("6","6","5","2","1","5","6","1") = "5"
    & skf21("6","6","5","2","1","5","7","1") = "6"
    & skf21("6","6","5","2","1","6","1","1") = "5"
    & skf21("6","6","5","2","1","6","2","1") = "5"
    & skf21("6","6","5","2","1","6","3","1") = "5"
    & skf21("6","6","5","2","1","6","4","1") = "5"
    & skf21("6","6","5","2","1","6","5","1") = "5"
    & skf21("6","6","5","2","1","6","6","1") = "5"
    & skf21("6","6","5","2","1","6","7","1") = "6"
    & skf21("6","6","5","2","1","7","1","1") = "6"
    & skf21("6","6","5","2","1","7","2","1") = "6"
    & skf21("6","6","5","2","1","7","3","1") = "6"
    & skf21("6","6","5","2","1","7","4","1") = "6"
    & skf21("6","6","5","2","1","7","5","1") = "6"
    & skf21("6","6","5","2","1","7","6","1") = "6"
    & skf21("6","6","5","2","1","7","7","1") = "6"
    & skf21("6","6","5","2","2","1","1","1") = "5"
    & skf21("6","6","5","2","2","1","2","1") = "5"
    & skf21("6","6","5","2","2","1","3","1") = "5"
    & skf21("6","6","5","2","2","1","4","1") = "5"
    & skf21("6","6","5","2","2","1","5","1") = "5"
    & skf21("6","6","5","2","2","1","6","1") = "5"
    & skf21("6","6","5","2","2","1","7","1") = "6"
    & skf21("6","6","5","2","2","2","1","1") = "5"
    & skf21("6","6","5","2","2","2","2","1") = "5"
    & skf21("6","6","5","2","2","2","3","1") = "5"
    & skf21("6","6","5","2","2","2","4","1") = "5"
    & skf21("6","6","5","2","2","2","5","1") = "5"
    & skf21("6","6","5","2","2","2","6","1") = "5"
    & skf21("6","6","5","2","2","2","7","1") = "6"
    & skf21("6","6","5","2","2","3","1","1") = "5"
    & skf21("6","6","5","2","2","3","2","1") = "5"
    & skf21("6","6","5","2","2","3","3","1") = "5"
    & skf21("6","6","5","2","2","3","4","1") = "5"
    & skf21("6","6","5","2","2","3","5","1") = "5"
    & skf21("6","6","5","2","2","3","6","1") = "5"
    & skf21("6","6","5","2","2","3","7","1") = "6"
    & skf21("6","6","5","2","2","4","1","1") = "5"
    & skf21("6","6","5","2","2","4","2","1") = "5"
    & skf21("6","6","5","2","2","4","3","1") = "5"
    & skf21("6","6","5","2","2","4","4","1") = "5"
    & skf21("6","6","5","2","2","4","5","1") = "5"
    & skf21("6","6","5","2","2","4","6","1") = "5"
    & skf21("6","6","5","2","2","4","7","1") = "6"
    & skf21("6","6","5","2","2","5","1","1") = "5"
    & skf21("6","6","5","2","2","5","2","1") = "5"
    & skf21("6","6","5","2","2","5","3","1") = "5"
    & skf21("6","6","5","2","2","5","4","1") = "5"
    & skf21("6","6","5","2","2","5","5","1") = "5"
    & skf21("6","6","5","2","2","5","6","1") = "5"
    & skf21("6","6","5","2","2","5","7","1") = "6"
    & skf21("6","6","5","2","2","6","1","1") = "5"
    & skf21("6","6","5","2","2","6","2","1") = "5"
    & skf21("6","6","5","2","2","6","3","1") = "5"
    & skf21("6","6","5","2","2","6","4","1") = "5"
    & skf21("6","6","5","2","2","6","5","1") = "5"
    & skf21("6","6","5","2","2","6","6","1") = "5"
    & skf21("6","6","5","2","2","6","7","1") = "6"
    & skf21("6","6","5","2","2","7","1","1") = "6"
    & skf21("6","6","5","2","2","7","2","1") = "6"
    & skf21("6","6","5","2","2","7","3","1") = "6"
    & skf21("6","6","5","2","2","7","4","1") = "6"
    & skf21("6","6","5","2","2","7","5","1") = "6"
    & skf21("6","6","5","2","2","7","6","1") = "6"
    & skf21("6","6","5","2","2","7","7","1") = "6"
    & skf21("6","6","5","2","3","1","1","1") = "5"
    & skf21("6","6","5","2","3","1","2","1") = "5"
    & skf21("6","6","5","2","3","1","3","1") = "5"
    & skf21("6","6","5","2","3","1","4","1") = "5"
    & skf21("6","6","5","2","3","1","5","1") = "5"
    & skf21("6","6","5","2","3","1","6","1") = "5"
    & skf21("6","6","5","2","3","1","7","1") = "6"
    & skf21("6","6","5","2","3","2","1","1") = "5"
    & skf21("6","6","5","2","3","2","2","1") = "5"
    & skf21("6","6","5","2","3","2","3","1") = "5"
    & skf21("6","6","5","2","3","2","4","1") = "5"
    & skf21("6","6","5","2","3","2","5","1") = "5"
    & skf21("6","6","5","2","3","2","6","1") = "5"
    & skf21("6","6","5","2","3","2","7","1") = "6"
    & skf21("6","6","5","2","3","3","1","1") = "5"
    & skf21("6","6","5","2","3","3","2","1") = "5"
    & skf21("6","6","5","2","3","3","3","1") = "5"
    & skf21("6","6","5","2","3","3","4","1") = "5"
    & skf21("6","6","5","2","3","3","5","1") = "5"
    & skf21("6","6","5","2","3","3","6","1") = "5"
    & skf21("6","6","5","2","3","3","7","1") = "6"
    & skf21("6","6","5","2","3","4","1","1") = "5"
    & skf21("6","6","5","2","3","4","2","1") = "5"
    & skf21("6","6","5","2","3","4","3","1") = "5"
    & skf21("6","6","5","2","3","4","4","1") = "5"
    & skf21("6","6","5","2","3","4","5","1") = "5"
    & skf21("6","6","5","2","3","4","6","1") = "5"
    & skf21("6","6","5","2","3","4","7","1") = "6"
    & skf21("6","6","5","2","3","5","1","1") = "5"
    & skf21("6","6","5","2","3","5","2","1") = "5"
    & skf21("6","6","5","2","3","5","3","1") = "5"
    & skf21("6","6","5","2","3","5","4","1") = "5"
    & skf21("6","6","5","2","3","5","5","1") = "5"
    & skf21("6","6","5","2","3","5","6","1") = "5"
    & skf21("6","6","5","2","3","5","7","1") = "6"
    & skf21("6","6","5","2","3","6","1","1") = "5"
    & skf21("6","6","5","2","3","6","2","1") = "5"
    & skf21("6","6","5","2","3","6","3","1") = "5"
    & skf21("6","6","5","2","3","6","4","1") = "5"
    & skf21("6","6","5","2","3","6","5","1") = "5"
    & skf21("6","6","5","2","3","6","6","1") = "5"
    & skf21("6","6","5","2","3","6","7","1") = "6"
    & skf21("6","6","5","2","3","7","1","1") = "6"
    & skf21("6","6","5","2","3","7","2","1") = "6"
    & skf21("6","6","5","2","3","7","3","1") = "6"
    & skf21("6","6","5","2","3","7","4","1") = "6"
    & skf21("6","6","5","2","3","7","5","1") = "6"
    & skf21("6","6","5","2","3","7","6","1") = "6"
    & skf21("6","6","5","2","3","7","7","1") = "6"
    & skf21("6","6","5","2","4","1","1","1") = "5"
    & skf21("6","6","5","2","4","1","2","1") = "5"
    & skf21("6","6","5","2","4","1","3","1") = "5"
    & skf21("6","6","5","2","4","1","4","1") = "5"
    & skf21("6","6","5","2","4","1","5","1") = "5"
    & skf21("6","6","5","2","4","1","6","1") = "5"
    & skf21("6","6","5","2","4","1","7","1") = "6"
    & skf21("6","6","5","2","4","2","1","1") = "5"
    & skf21("6","6","5","2","4","2","2","1") = "5"
    & skf21("6","6","5","2","4","2","3","1") = "5"
    & skf21("6","6","5","2","4","2","4","1") = "5"
    & skf21("6","6","5","2","4","2","5","1") = "5"
    & skf21("6","6","5","2","4","2","6","1") = "5"
    & skf21("6","6","5","2","4","2","7","1") = "6"
    & skf21("6","6","5","2","4","3","1","1") = "5"
    & skf21("6","6","5","2","4","3","2","1") = "5"
    & skf21("6","6","5","2","4","3","3","1") = "5"
    & skf21("6","6","5","2","4","3","4","1") = "5"
    & skf21("6","6","5","2","4","3","5","1") = "5"
    & skf21("6","6","5","2","4","3","6","1") = "5"
    & skf21("6","6","5","2","4","3","7","1") = "6"
    & skf21("6","6","5","2","4","4","1","1") = "5"
    & skf21("6","6","5","2","4","4","2","1") = "5"
    & skf21("6","6","5","2","4","4","3","1") = "5"
    & skf21("6","6","5","2","4","4","4","1") = "5"
    & skf21("6","6","5","2","4","4","5","1") = "5"
    & skf21("6","6","5","2","4","4","6","1") = "5"
    & skf21("6","6","5","2","4","4","7","1") = "6"
    & skf21("6","6","5","2","4","5","1","1") = "5"
    & skf21("6","6","5","2","4","5","2","1") = "5"
    & skf21("6","6","5","2","4","5","3","1") = "5"
    & skf21("6","6","5","2","4","5","4","1") = "5"
    & skf21("6","6","5","2","4","5","5","1") = "5"
    & skf21("6","6","5","2","4","5","6","1") = "5"
    & skf21("6","6","5","2","4","5","7","1") = "6"
    & skf21("6","6","5","2","4","6","1","1") = "5"
    & skf21("6","6","5","2","4","6","2","1") = "5"
    & skf21("6","6","5","2","4","6","3","1") = "5"
    & skf21("6","6","5","2","4","6","4","1") = "5"
    & skf21("6","6","5","2","4","6","5","1") = "5"
    & skf21("6","6","5","2","4","6","6","1") = "5"
    & skf21("6","6","5","2","4","6","7","1") = "6"
    & skf21("6","6","5","2","4","7","1","1") = "6"
    & skf21("6","6","5","2","4","7","2","1") = "6"
    & skf21("6","6","5","2","4","7","3","1") = "6"
    & skf21("6","6","5","2","4","7","4","1") = "6"
    & skf21("6","6","5","2","4","7","5","1") = "6"
    & skf21("6","6","5","2","4","7","6","1") = "6"
    & skf21("6","6","5","2","4","7","7","1") = "6"
    & skf21("6","6","5","2","5","1","1","1") = "5"
    & skf21("6","6","5","2","5","1","2","1") = "5"
    & skf21("6","6","5","2","5","1","3","1") = "5"
    & skf21("6","6","5","2","5","1","4","1") = "5"
    & skf21("6","6","5","2","5","1","5","1") = "5"
    & skf21("6","6","5","2","5","1","6","1") = "5"
    & skf21("6","6","5","2","5","1","7","1") = "6"
    & skf21("6","6","5","2","5","2","1","1") = "5"
    & skf21("6","6","5","2","5","2","2","1") = "5"
    & skf21("6","6","5","2","5","2","3","1") = "5"
    & skf21("6","6","5","2","5","2","4","1") = "5"
    & skf21("6","6","5","2","5","2","5","1") = "5"
    & skf21("6","6","5","2","5","2","6","1") = "5"
    & skf21("6","6","5","2","5","2","7","1") = "6"
    & skf21("6","6","5","2","5","3","1","1") = "5"
    & skf21("6","6","5","2","5","3","2","1") = "5"
    & skf21("6","6","5","2","5","3","3","1") = "5"
    & skf21("6","6","5","2","5","3","4","1") = "5"
    & skf21("6","6","5","2","5","3","5","1") = "5"
    & skf21("6","6","5","2","5","3","6","1") = "5"
    & skf21("6","6","5","2","5","3","7","1") = "6"
    & skf21("6","6","5","2","5","4","1","1") = "5"
    & skf21("6","6","5","2","5","4","2","1") = "5"
    & skf21("6","6","5","2","5","4","3","1") = "5"
    & skf21("6","6","5","2","5","4","4","1") = "5"
    & skf21("6","6","5","2","5","4","5","1") = "5"
    & skf21("6","6","5","2","5","4","6","1") = "5"
    & skf21("6","6","5","2","5","4","7","1") = "6"
    & skf21("6","6","5","2","5","5","1","1") = "5"
    & skf21("6","6","5","2","5","5","2","1") = "5"
    & skf21("6","6","5","2","5","5","3","1") = "5"
    & skf21("6","6","5","2","5","5","4","1") = "5"
    & skf21("6","6","5","2","5","5","5","1") = "5"
    & skf21("6","6","5","2","5","5","6","1") = "5"
    & skf21("6","6","5","2","5","5","7","1") = "6"
    & skf21("6","6","5","2","5","6","1","1") = "5"
    & skf21("6","6","5","2","5","6","2","1") = "5"
    & skf21("6","6","5","2","5","6","3","1") = "5"
    & skf21("6","6","5","2","5","6","4","1") = "5"
    & skf21("6","6","5","2","5","6","5","1") = "5"
    & skf21("6","6","5","2","5","6","6","1") = "5"
    & skf21("6","6","5","2","5","6","7","1") = "6"
    & skf21("6","6","5","2","5","7","1","1") = "6"
    & skf21("6","6","5","2","5","7","2","1") = "6"
    & skf21("6","6","5","2","5","7","3","1") = "6"
    & skf21("6","6","5","2","5","7","4","1") = "6"
    & skf21("6","6","5","2","5","7","5","1") = "6"
    & skf21("6","6","5","2","5","7","6","1") = "6"
    & skf21("6","6","5","2","5","7","7","1") = "6"
    & skf21("6","6","5","2","6","1","1","1") = "5"
    & skf21("6","6","5","2","6","1","2","1") = "5"
    & skf21("6","6","5","2","6","1","3","1") = "5"
    & skf21("6","6","5","2","6","1","4","1") = "5"
    & skf21("6","6","5","2","6","1","5","1") = "5"
    & skf21("6","6","5","2","6","1","6","1") = "5"
    & skf21("6","6","5","2","6","1","7","1") = "6"
    & skf21("6","6","5","2","6","2","1","1") = "5"
    & skf21("6","6","5","2","6","2","2","1") = "5"
    & skf21("6","6","5","2","6","2","3","1") = "5"
    & skf21("6","6","5","2","6","2","4","1") = "5"
    & skf21("6","6","5","2","6","2","5","1") = "5"
    & skf21("6","6","5","2","6","2","6","1") = "5"
    & skf21("6","6","5","2","6","2","7","1") = "6"
    & skf21("6","6","5","2","6","3","1","1") = "5"
    & skf21("6","6","5","2","6","3","2","1") = "5"
    & skf21("6","6","5","2","6","3","3","1") = "5"
    & skf21("6","6","5","2","6","3","4","1") = "5"
    & skf21("6","6","5","2","6","3","5","1") = "5"
    & skf21("6","6","5","2","6","3","6","1") = "5"
    & skf21("6","6","5","2","6","3","7","1") = "6"
    & skf21("6","6","5","2","6","4","1","1") = "5"
    & skf21("6","6","5","2","6","4","2","1") = "5"
    & skf21("6","6","5","2","6","4","3","1") = "5"
    & skf21("6","6","5","2","6","4","4","1") = "5"
    & skf21("6","6","5","2","6","4","5","1") = "5"
    & skf21("6","6","5","2","6","4","6","1") = "5"
    & skf21("6","6","5","2","6","4","7","1") = "6"
    & skf21("6","6","5","2","6","5","1","1") = "5"
    & skf21("6","6","5","2","6","5","2","1") = "5"
    & skf21("6","6","5","2","6","5","3","1") = "5"
    & skf21("6","6","5","2","6","5","4","1") = "5"
    & skf21("6","6","5","2","6","5","5","1") = "5"
    & skf21("6","6","5","2","6","5","6","1") = "5"
    & skf21("6","6","5","2","6","5","7","1") = "6"
    & skf21("6","6","5","2","6","6","1","1") = "5"
    & skf21("6","6","5","2","6","6","2","1") = "5"
    & skf21("6","6","5","2","6","6","3","1") = "5"
    & skf21("6","6","5","2","6","6","4","1") = "5"
    & skf21("6","6","5","2","6","6","5","1") = "5"
    & skf21("6","6","5","2","6","6","6","1") = "5"
    & skf21("6","6","5","2","6","6","7","1") = "6"
    & skf21("6","6","5","2","6","7","1","1") = "6"
    & skf21("6","6","5","2","6","7","2","1") = "6"
    & skf21("6","6","5","2","6","7","3","1") = "6"
    & skf21("6","6","5","2","6","7","4","1") = "6"
    & skf21("6","6","5","2","6","7","5","1") = "6"
    & skf21("6","6","5","2","6","7","6","1") = "6"
    & skf21("6","6","5","2","6","7","7","1") = "6"
    & skf21("6","6","5","2","7","1","1","1") = "6"
    & skf21("6","6","5","2","7","1","2","1") = "6"
    & skf21("6","6","5","2","7","1","3","1") = "6"
    & skf21("6","6","5","2","7","1","4","1") = "6"
    & skf21("6","6","5","2","7","1","5","1") = "6"
    & skf21("6","6","5","2","7","1","6","1") = "6"
    & skf21("6","6","5","2","7","1","7","1") = "6"
    & skf21("6","6","5","2","7","2","1","1") = "6"
    & skf21("6","6","5","2","7","2","2","1") = "6"
    & skf21("6","6","5","2","7","2","3","1") = "6"
    & skf21("6","6","5","2","7","2","4","1") = "6"
    & skf21("6","6","5","2","7","2","5","1") = "6"
    & skf21("6","6","5","2","7","2","6","1") = "6"
    & skf21("6","6","5","2","7","2","7","1") = "6"
    & skf21("6","6","5","2","7","3","1","1") = "6"
    & skf21("6","6","5","2","7","3","2","1") = "6"
    & skf21("6","6","5","2","7","3","3","1") = "6"
    & skf21("6","6","5","2","7","3","4","1") = "6"
    & skf21("6","6","5","2","7","3","5","1") = "6"
    & skf21("6","6","5","2","7","3","6","1") = "6"
    & skf21("6","6","5","2","7","3","7","1") = "6"
    & skf21("6","6","5","2","7","4","1","1") = "6"
    & skf21("6","6","5","2","7","4","2","1") = "6"
    & skf21("6","6","5","2","7","4","3","1") = "6"
    & skf21("6","6","5","2","7","4","4","1") = "6"
    & skf21("6","6","5","2","7","4","5","1") = "6"
    & skf21("6","6","5","2","7","4","6","1") = "6"
    & skf21("6","6","5","2","7","4","7","1") = "6"
    & skf21("6","6","5","2","7","5","1","1") = "6"
    & skf21("6","6","5","2","7","5","2","1") = "6"
    & skf21("6","6","5","2","7","5","3","1") = "6"
    & skf21("6","6","5","2","7","5","4","1") = "6"
    & skf21("6","6","5","2","7","5","5","1") = "6"
    & skf21("6","6","5","2","7","5","6","1") = "6"
    & skf21("6","6","5","2","7","5","7","1") = "6"
    & skf21("6","6","5","2","7","6","1","1") = "6"
    & skf21("6","6","5","2","7","6","2","1") = "6"
    & skf21("6","6","5","2","7","6","3","1") = "6"
    & skf21("6","6","5","2","7","6","4","1") = "6"
    & skf21("6","6","5","2","7","6","5","1") = "6"
    & skf21("6","6","5","2","7","6","6","1") = "6"
    & skf21("6","6","5","2","7","6","7","1") = "6"
    & skf21("6","6","5","2","7","7","1","1") = "6"
    & skf21("6","6","5","2","7","7","2","1") = "6"
    & skf21("6","6","5","2","7","7","3","1") = "6"
    & skf21("6","6","5","2","7","7","4","1") = "6"
    & skf21("6","6","5","2","7","7","5","1") = "6"
    & skf21("6","6","5","2","7","7","6","1") = "6"
    & skf21("6","6","5","2","7","7","7","1") = "6"
    & skf21("6","6","5","3","1","1","1","1") = "5"
    & skf21("6","6","5","3","1","1","2","1") = "5"
    & skf21("6","6","5","3","1","1","3","1") = "5"
    & skf21("6","6","5","3","1","1","4","1") = "5"
    & skf21("6","6","5","3","1","1","5","1") = "5"
    & skf21("6","6","5","3","1","1","6","1") = "5"
    & skf21("6","6","5","3","1","1","7","1") = "6"
    & skf21("6","6","5","3","1","2","1","1") = "5"
    & skf21("6","6","5","3","1","2","2","1") = "5"
    & skf21("6","6","5","3","1","2","3","1") = "5"
    & skf21("6","6","5","3","1","2","4","1") = "5"
    & skf21("6","6","5","3","1","2","5","1") = "5"
    & skf21("6","6","5","3","1","2","6","1") = "5"
    & skf21("6","6","5","3","1","2","7","1") = "6"
    & skf21("6","6","5","3","1","3","1","1") = "5"
    & skf21("6","6","5","3","1","3","2","1") = "5"
    & skf21("6","6","5","3","1","3","3","1") = "5"
    & skf21("6","6","5","3","1","3","4","1") = "5"
    & skf21("6","6","5","3","1","3","5","1") = "5"
    & skf21("6","6","5","3","1","3","6","1") = "5"
    & skf21("6","6","5","3","1","3","7","1") = "6"
    & skf21("6","6","5","3","1","4","1","1") = "5"
    & skf21("6","6","5","3","1","4","2","1") = "5"
    & skf21("6","6","5","3","1","4","3","1") = "5"
    & skf21("6","6","5","3","1","4","4","1") = "5"
    & skf21("6","6","5","3","1","4","5","1") = "5"
    & skf21("6","6","5","3","1","4","6","1") = "5"
    & skf21("6","6","5","3","1","4","7","1") = "6"
    & skf21("6","6","5","3","1","5","1","1") = "5"
    & skf21("6","6","5","3","1","5","2","1") = "5"
    & skf21("6","6","5","3","1","5","3","1") = "5"
    & skf21("6","6","5","3","1","5","4","1") = "5"
    & skf21("6","6","5","3","1","5","5","1") = "5"
    & skf21("6","6","5","3","1","5","6","1") = "5"
    & skf21("6","6","5","3","1","5","7","1") = "6"
    & skf21("6","6","5","3","1","6","1","1") = "5"
    & skf21("6","6","5","3","1","6","2","1") = "5"
    & skf21("6","6","5","3","1","6","3","1") = "5"
    & skf21("6","6","5","3","1","6","4","1") = "5"
    & skf21("6","6","5","3","1","6","5","1") = "5"
    & skf21("6","6","5","3","1","6","6","1") = "5"
    & skf21("6","6","5","3","1","6","7","1") = "6"
    & skf21("6","6","5","3","1","7","1","1") = "6"
    & skf21("6","6","5","3","1","7","2","1") = "6"
    & skf21("6","6","5","3","1","7","3","1") = "6"
    & skf21("6","6","5","3","1","7","4","1") = "6"
    & skf21("6","6","5","3","1","7","5","1") = "6"
    & skf21("6","6","5","3","1","7","6","1") = "6"
    & skf21("6","6","5","3","1","7","7","1") = "6"
    & skf21("6","6","5","3","2","1","1","1") = "5"
    & skf21("6","6","5","3","2","1","2","1") = "5"
    & skf21("6","6","5","3","2","1","3","1") = "5"
    & skf21("6","6","5","3","2","1","4","1") = "5"
    & skf21("6","6","5","3","2","1","5","1") = "5"
    & skf21("6","6","5","3","2","1","6","1") = "5"
    & skf21("6","6","5","3","2","1","7","1") = "6"
    & skf21("6","6","5","3","2","2","1","1") = "5"
    & skf21("6","6","5","3","2","2","2","1") = "5"
    & skf21("6","6","5","3","2","2","3","1") = "5"
    & skf21("6","6","5","3","2","2","4","1") = "5"
    & skf21("6","6","5","3","2","2","5","1") = "5"
    & skf21("6","6","5","3","2","2","6","1") = "5"
    & skf21("6","6","5","3","2","2","7","1") = "6"
    & skf21("6","6","5","3","2","3","1","1") = "5"
    & skf21("6","6","5","3","2","3","2","1") = "5"
    & skf21("6","6","5","3","2","3","3","1") = "5"
    & skf21("6","6","5","3","2","3","4","1") = "5"
    & skf21("6","6","5","3","2","3","5","1") = "5"
    & skf21("6","6","5","3","2","3","6","1") = "5"
    & skf21("6","6","5","3","2","3","7","1") = "6"
    & skf21("6","6","5","3","2","4","1","1") = "5"
    & skf21("6","6","5","3","2","4","2","1") = "5"
    & skf21("6","6","5","3","2","4","3","1") = "5"
    & skf21("6","6","5","3","2","4","4","1") = "5"
    & skf21("6","6","5","3","2","4","5","1") = "5"
    & skf21("6","6","5","3","2","4","6","1") = "5"
    & skf21("6","6","5","3","2","4","7","1") = "6"
    & skf21("6","6","5","3","2","5","1","1") = "5"
    & skf21("6","6","5","3","2","5","2","1") = "5"
    & skf21("6","6","5","3","2","5","3","1") = "5"
    & skf21("6","6","5","3","2","5","4","1") = "5"
    & skf21("6","6","5","3","2","5","5","1") = "5"
    & skf21("6","6","5","3","2","5","6","1") = "5"
    & skf21("6","6","5","3","2","5","7","1") = "6"
    & skf21("6","6","5","3","2","6","1","1") = "5"
    & skf21("6","6","5","3","2","6","2","1") = "5"
    & skf21("6","6","5","3","2","6","3","1") = "5"
    & skf21("6","6","5","3","2","6","4","1") = "5"
    & skf21("6","6","5","3","2","6","5","1") = "5"
    & skf21("6","6","5","3","2","6","6","1") = "5"
    & skf21("6","6","5","3","2","6","7","1") = "6"
    & skf21("6","6","5","3","2","7","1","1") = "6"
    & skf21("6","6","5","3","2","7","2","1") = "6"
    & skf21("6","6","5","3","2","7","3","1") = "6"
    & skf21("6","6","5","3","2","7","4","1") = "6"
    & skf21("6","6","5","3","2","7","5","1") = "6"
    & skf21("6","6","5","3","2","7","6","1") = "6"
    & skf21("6","6","5","3","2","7","7","1") = "6"
    & skf21("6","6","5","3","3","1","1","1") = "5"
    & skf21("6","6","5","3","3","1","2","1") = "5"
    & skf21("6","6","5","3","3","1","3","1") = "5"
    & skf21("6","6","5","3","3","1","4","1") = "5"
    & skf21("6","6","5","3","3","1","5","1") = "5"
    & skf21("6","6","5","3","3","1","6","1") = "5"
    & skf21("6","6","5","3","3","1","7","1") = "6"
    & skf21("6","6","5","3","3","2","1","1") = "5"
    & skf21("6","6","5","3","3","2","2","1") = "5"
    & skf21("6","6","5","3","3","2","3","1") = "5"
    & skf21("6","6","5","3","3","2","4","1") = "5"
    & skf21("6","6","5","3","3","2","5","1") = "5"
    & skf21("6","6","5","3","3","2","6","1") = "5"
    & skf21("6","6","5","3","3","2","7","1") = "6"
    & skf21("6","6","5","3","3","3","1","1") = "5"
    & skf21("6","6","5","3","3","3","2","1") = "5"
    & skf21("6","6","5","3","3","3","3","1") = "5"
    & skf21("6","6","5","3","3","3","4","1") = "5"
    & skf21("6","6","5","3","3","3","5","1") = "5"
    & skf21("6","6","5","3","3","3","6","1") = "5"
    & skf21("6","6","5","3","3","3","7","1") = "6"
    & skf21("6","6","5","3","3","4","1","1") = "5"
    & skf21("6","6","5","3","3","4","2","1") = "5"
    & skf21("6","6","5","3","3","4","3","1") = "5"
    & skf21("6","6","5","3","3","4","4","1") = "5"
    & skf21("6","6","5","3","3","4","5","1") = "5"
    & skf21("6","6","5","3","3","4","6","1") = "5"
    & skf21("6","6","5","3","3","4","7","1") = "6"
    & skf21("6","6","5","3","3","5","1","1") = "5"
    & skf21("6","6","5","3","3","5","2","1") = "5"
    & skf21("6","6","5","3","3","5","3","1") = "5"
    & skf21("6","6","5","3","3","5","4","1") = "5"
    & skf21("6","6","5","3","3","5","5","1") = "5"
    & skf21("6","6","5","3","3","5","6","1") = "5"
    & skf21("6","6","5","3","3","5","7","1") = "6"
    & skf21("6","6","5","3","3","6","1","1") = "5"
    & skf21("6","6","5","3","3","6","2","1") = "5"
    & skf21("6","6","5","3","3","6","3","1") = "5"
    & skf21("6","6","5","3","3","6","4","1") = "5"
    & skf21("6","6","5","3","3","6","5","1") = "5"
    & skf21("6","6","5","3","3","6","6","1") = "5"
    & skf21("6","6","5","3","3","6","7","1") = "6"
    & skf21("6","6","5","3","3","7","1","1") = "6"
    & skf21("6","6","5","3","3","7","2","1") = "6"
    & skf21("6","6","5","3","3","7","3","1") = "6"
    & skf21("6","6","5","3","3","7","4","1") = "6"
    & skf21("6","6","5","3","3","7","5","1") = "6"
    & skf21("6","6","5","3","3","7","6","1") = "6"
    & skf21("6","6","5","3","3","7","7","1") = "6"
    & skf21("6","6","5","3","4","1","1","1") = "5"
    & skf21("6","6","5","3","4","1","2","1") = "5"
    & skf21("6","6","5","3","4","1","3","1") = "5"
    & skf21("6","6","5","3","4","1","4","1") = "5"
    & skf21("6","6","5","3","4","1","5","1") = "5"
    & skf21("6","6","5","3","4","1","6","1") = "5"
    & skf21("6","6","5","3","4","1","7","1") = "6"
    & skf21("6","6","5","3","4","2","1","1") = "5"
    & skf21("6","6","5","3","4","2","2","1") = "5"
    & skf21("6","6","5","3","4","2","3","1") = "5"
    & skf21("6","6","5","3","4","2","4","1") = "5"
    & skf21("6","6","5","3","4","2","5","1") = "5"
    & skf21("6","6","5","3","4","2","6","1") = "5"
    & skf21("6","6","5","3","4","2","7","1") = "6"
    & skf21("6","6","5","3","4","3","1","1") = "5"
    & skf21("6","6","5","3","4","3","2","1") = "5"
    & skf21("6","6","5","3","4","3","3","1") = "5"
    & skf21("6","6","5","3","4","3","4","1") = "5"
    & skf21("6","6","5","3","4","3","5","1") = "5"
    & skf21("6","6","5","3","4","3","6","1") = "5"
    & skf21("6","6","5","3","4","3","7","1") = "6"
    & skf21("6","6","5","3","4","4","1","1") = "5"
    & skf21("6","6","5","3","4","4","2","1") = "5"
    & skf21("6","6","5","3","4","4","3","1") = "5"
    & skf21("6","6","5","3","4","4","4","1") = "5"
    & skf21("6","6","5","3","4","4","5","1") = "5"
    & skf21("6","6","5","3","4","4","6","1") = "5"
    & skf21("6","6","5","3","4","4","7","1") = "6"
    & skf21("6","6","5","3","4","5","1","1") = "5"
    & skf21("6","6","5","3","4","5","2","1") = "5"
    & skf21("6","6","5","3","4","5","3","1") = "5"
    & skf21("6","6","5","3","4","5","4","1") = "5"
    & skf21("6","6","5","3","4","5","5","1") = "5"
    & skf21("6","6","5","3","4","5","6","1") = "5"
    & skf21("6","6","5","3","4","5","7","1") = "6"
    & skf21("6","6","5","3","4","6","1","1") = "5"
    & skf21("6","6","5","3","4","6","2","1") = "5"
    & skf21("6","6","5","3","4","6","3","1") = "5"
    & skf21("6","6","5","3","4","6","4","1") = "5"
    & skf21("6","6","5","3","4","6","5","1") = "5"
    & skf21("6","6","5","3","4","6","6","1") = "5"
    & skf21("6","6","5","3","4","6","7","1") = "6"
    & skf21("6","6","5","3","4","7","1","1") = "6"
    & skf21("6","6","5","3","4","7","2","1") = "6"
    & skf21("6","6","5","3","4","7","3","1") = "6"
    & skf21("6","6","5","3","4","7","4","1") = "6"
    & skf21("6","6","5","3","4","7","5","1") = "6"
    & skf21("6","6","5","3","4","7","6","1") = "6"
    & skf21("6","6","5","3","4","7","7","1") = "6"
    & skf21("6","6","5","3","5","1","1","1") = "5"
    & skf21("6","6","5","3","5","1","2","1") = "5"
    & skf21("6","6","5","3","5","1","3","1") = "5"
    & skf21("6","6","5","3","5","1","4","1") = "5"
    & skf21("6","6","5","3","5","1","5","1") = "5"
    & skf21("6","6","5","3","5","1","6","1") = "5"
    & skf21("6","6","5","3","5","1","7","1") = "6"
    & skf21("6","6","5","3","5","2","1","1") = "5"
    & skf21("6","6","5","3","5","2","2","1") = "5"
    & skf21("6","6","5","3","5","2","3","1") = "5"
    & skf21("6","6","5","3","5","2","4","1") = "5"
    & skf21("6","6","5","3","5","2","5","1") = "5"
    & skf21("6","6","5","3","5","2","6","1") = "5"
    & skf21("6","6","5","3","5","2","7","1") = "6"
    & skf21("6","6","5","3","5","3","1","1") = "5"
    & skf21("6","6","5","3","5","3","2","1") = "5"
    & skf21("6","6","5","3","5","3","3","1") = "5"
    & skf21("6","6","5","3","5","3","4","1") = "5"
    & skf21("6","6","5","3","5","3","5","1") = "5"
    & skf21("6","6","5","3","5","3","6","1") = "5"
    & skf21("6","6","5","3","5","3","7","1") = "6"
    & skf21("6","6","5","3","5","4","1","1") = "5"
    & skf21("6","6","5","3","5","4","2","1") = "5"
    & skf21("6","6","5","3","5","4","3","1") = "5"
    & skf21("6","6","5","3","5","4","4","1") = "5"
    & skf21("6","6","5","3","5","4","5","1") = "5"
    & skf21("6","6","5","3","5","4","6","1") = "5"
    & skf21("6","6","5","3","5","4","7","1") = "6"
    & skf21("6","6","5","3","5","5","1","1") = "5"
    & skf21("6","6","5","3","5","5","2","1") = "5"
    & skf21("6","6","5","3","5","5","3","1") = "5"
    & skf21("6","6","5","3","5","5","4","1") = "5"
    & skf21("6","6","5","3","5","5","5","1") = "5"
    & skf21("6","6","5","3","5","5","6","1") = "5"
    & skf21("6","6","5","3","5","5","7","1") = "6"
    & skf21("6","6","5","3","5","6","1","1") = "5"
    & skf21("6","6","5","3","5","6","2","1") = "5"
    & skf21("6","6","5","3","5","6","3","1") = "5"
    & skf21("6","6","5","3","5","6","4","1") = "5"
    & skf21("6","6","5","3","5","6","5","1") = "5"
    & skf21("6","6","5","3","5","6","6","1") = "5"
    & skf21("6","6","5","3","5","6","7","1") = "6"
    & skf21("6","6","5","3","5","7","1","1") = "6"
    & skf21("6","6","5","3","5","7","2","1") = "6"
    & skf21("6","6","5","3","5","7","3","1") = "6"
    & skf21("6","6","5","3","5","7","4","1") = "6"
    & skf21("6","6","5","3","5","7","5","1") = "6"
    & skf21("6","6","5","3","5","7","6","1") = "6"
    & skf21("6","6","5","3","5","7","7","1") = "6"
    & skf21("6","6","5","3","6","1","1","1") = "5"
    & skf21("6","6","5","3","6","1","2","1") = "5"
    & skf21("6","6","5","3","6","1","3","1") = "5"
    & skf21("6","6","5","3","6","1","4","1") = "5"
    & skf21("6","6","5","3","6","1","5","1") = "5"
    & skf21("6","6","5","3","6","1","6","1") = "5"
    & skf21("6","6","5","3","6","1","7","1") = "6"
    & skf21("6","6","5","3","6","2","1","1") = "5"
    & skf21("6","6","5","3","6","2","2","1") = "5"
    & skf21("6","6","5","3","6","2","3","1") = "5"
    & skf21("6","6","5","3","6","2","4","1") = "5"
    & skf21("6","6","5","3","6","2","5","1") = "5"
    & skf21("6","6","5","3","6","2","6","1") = "5"
    & skf21("6","6","5","3","6","2","7","1") = "6"
    & skf21("6","6","5","3","6","3","1","1") = "5"
    & skf21("6","6","5","3","6","3","2","1") = "5"
    & skf21("6","6","5","3","6","3","3","1") = "5"
    & skf21("6","6","5","3","6","3","4","1") = "5"
    & skf21("6","6","5","3","6","3","5","1") = "5"
    & skf21("6","6","5","3","6","3","6","1") = "5"
    & skf21("6","6","5","3","6","3","7","1") = "6"
    & skf21("6","6","5","3","6","4","1","1") = "5"
    & skf21("6","6","5","3","6","4","2","1") = "5"
    & skf21("6","6","5","3","6","4","3","1") = "5"
    & skf21("6","6","5","3","6","4","4","1") = "5"
    & skf21("6","6","5","3","6","4","5","1") = "5"
    & skf21("6","6","5","3","6","4","6","1") = "5"
    & skf21("6","6","5","3","6","4","7","1") = "6"
    & skf21("6","6","5","3","6","5","1","1") = "5"
    & skf21("6","6","5","3","6","5","2","1") = "5"
    & skf21("6","6","5","3","6","5","3","1") = "5"
    & skf21("6","6","5","3","6","5","4","1") = "5"
    & skf21("6","6","5","3","6","5","5","1") = "5"
    & skf21("6","6","5","3","6","5","6","1") = "5"
    & skf21("6","6","5","3","6","5","7","1") = "6"
    & skf21("6","6","5","3","6","6","1","1") = "5"
    & skf21("6","6","5","3","6","6","2","1") = "5"
    & skf21("6","6","5","3","6","6","3","1") = "5"
    & skf21("6","6","5","3","6","6","4","1") = "5"
    & skf21("6","6","5","3","6","6","5","1") = "5"
    & skf21("6","6","5","3","6","6","6","1") = "5"
    & skf21("6","6","5","3","6","6","7","1") = "6"
    & skf21("6","6","5","3","6","7","1","1") = "6"
    & skf21("6","6","5","3","6","7","2","1") = "6"
    & skf21("6","6","5","3","6","7","3","1") = "6"
    & skf21("6","6","5","3","6","7","4","1") = "6"
    & skf21("6","6","5","3","6","7","5","1") = "6"
    & skf21("6","6","5","3","6","7","6","1") = "6"
    & skf21("6","6","5","3","6","7","7","1") = "6"
    & skf21("6","6","5","3","7","1","1","1") = "6"
    & skf21("6","6","5","3","7","1","2","1") = "6"
    & skf21("6","6","5","3","7","1","3","1") = "6"
    & skf21("6","6","5","3","7","1","4","1") = "6"
    & skf21("6","6","5","3","7","1","5","1") = "6"
    & skf21("6","6","5","3","7","1","6","1") = "6"
    & skf21("6","6","5","3","7","1","7","1") = "6"
    & skf21("6","6","5","3","7","2","1","1") = "6"
    & skf21("6","6","5","3","7","2","2","1") = "6"
    & skf21("6","6","5","3","7","2","3","1") = "6"
    & skf21("6","6","5","3","7","2","4","1") = "6"
    & skf21("6","6","5","3","7","2","5","1") = "6"
    & skf21("6","6","5","3","7","2","6","1") = "6"
    & skf21("6","6","5","3","7","2","7","1") = "6"
    & skf21("6","6","5","3","7","3","1","1") = "6"
    & skf21("6","6","5","3","7","3","2","1") = "6"
    & skf21("6","6","5","3","7","3","3","1") = "6"
    & skf21("6","6","5","3","7","3","4","1") = "6"
    & skf21("6","6","5","3","7","3","5","1") = "6"
    & skf21("6","6","5","3","7","3","6","1") = "6"
    & skf21("6","6","5","3","7","3","7","1") = "6"
    & skf21("6","6","5","3","7","4","1","1") = "6"
    & skf21("6","6","5","3","7","4","2","1") = "6"
    & skf21("6","6","5","3","7","4","3","1") = "6"
    & skf21("6","6","5","3","7","4","4","1") = "6"
    & skf21("6","6","5","3","7","4","5","1") = "6"
    & skf21("6","6","5","3","7","4","6","1") = "6"
    & skf21("6","6","5","3","7","4","7","1") = "6"
    & skf21("6","6","5","3","7","5","1","1") = "6"
    & skf21("6","6","5","3","7","5","2","1") = "6"
    & skf21("6","6","5","3","7","5","3","1") = "6"
    & skf21("6","6","5","3","7","5","4","1") = "6"
    & skf21("6","6","5","3","7","5","5","1") = "6"
    & skf21("6","6","5","3","7","5","6","1") = "6"
    & skf21("6","6","5","3","7","5","7","1") = "6"
    & skf21("6","6","5","3","7","6","1","1") = "6"
    & skf21("6","6","5","3","7","6","2","1") = "6"
    & skf21("6","6","5","3","7","6","3","1") = "6"
    & skf21("6","6","5","3","7","6","4","1") = "6"
    & skf21("6","6","5","3","7","6","5","1") = "6"
    & skf21("6","6","5","3","7","6","6","1") = "6"
    & skf21("6","6","5","3","7","6","7","1") = "6"
    & skf21("6","6","5","3","7","7","1","1") = "6"
    & skf21("6","6","5","3","7","7","2","1") = "6"
    & skf21("6","6","5","3","7","7","3","1") = "6"
    & skf21("6","6","5","3","7","7","4","1") = "6"
    & skf21("6","6","5","3","7","7","5","1") = "6"
    & skf21("6","6","5","3","7","7","6","1") = "6"
    & skf21("6","6","5","3","7","7","7","1") = "6"
    & skf21("6","6","5","4","1","1","1","1") = "5"
    & skf21("6","6","5","4","1","1","2","1") = "5"
    & skf21("6","6","5","4","1","1","3","1") = "5"
    & skf21("6","6","5","4","1","1","4","1") = "5"
    & skf21("6","6","5","4","1","1","5","1") = "5"
    & skf21("6","6","5","4","1","1","6","1") = "5"
    & skf21("6","6","5","4","1","1","7","1") = "6"
    & skf21("6","6","5","4","1","2","1","1") = "5"
    & skf21("6","6","5","4","1","2","2","1") = "5"
    & skf21("6","6","5","4","1","2","3","1") = "5"
    & skf21("6","6","5","4","1","2","4","1") = "5"
    & skf21("6","6","5","4","1","2","5","1") = "5"
    & skf21("6","6","5","4","1","2","6","1") = "5"
    & skf21("6","6","5","4","1","2","7","1") = "6"
    & skf21("6","6","5","4","1","3","1","1") = "5"
    & skf21("6","6","5","4","1","3","2","1") = "5"
    & skf21("6","6","5","4","1","3","3","1") = "5"
    & skf21("6","6","5","4","1","3","4","1") = "5"
    & skf21("6","6","5","4","1","3","5","1") = "5"
    & skf21("6","6","5","4","1","3","6","1") = "5"
    & skf21("6","6","5","4","1","3","7","1") = "6"
    & skf21("6","6","5","4","1","4","1","1") = "5"
    & skf21("6","6","5","4","1","4","2","1") = "5"
    & skf21("6","6","5","4","1","4","3","1") = "5"
    & skf21("6","6","5","4","1","4","4","1") = "5"
    & skf21("6","6","5","4","1","4","5","1") = "5"
    & skf21("6","6","5","4","1","4","6","1") = "5"
    & skf21("6","6","5","4","1","4","7","1") = "6"
    & skf21("6","6","5","4","1","5","1","1") = "5"
    & skf21("6","6","5","4","1","5","2","1") = "5"
    & skf21("6","6","5","4","1","5","3","1") = "5"
    & skf21("6","6","5","4","1","5","4","1") = "5"
    & skf21("6","6","5","4","1","5","5","1") = "5"
    & skf21("6","6","5","4","1","5","6","1") = "5"
    & skf21("6","6","5","4","1","5","7","1") = "6"
    & skf21("6","6","5","4","1","6","1","1") = "5"
    & skf21("6","6","5","4","1","6","2","1") = "5"
    & skf21("6","6","5","4","1","6","3","1") = "5"
    & skf21("6","6","5","4","1","6","4","1") = "5"
    & skf21("6","6","5","4","1","6","5","1") = "5"
    & skf21("6","6","5","4","1","6","6","1") = "5"
    & skf21("6","6","5","4","1","6","7","1") = "6"
    & skf21("6","6","5","4","1","7","1","1") = "6"
    & skf21("6","6","5","4","1","7","2","1") = "6"
    & skf21("6","6","5","4","1","7","3","1") = "6"
    & skf21("6","6","5","4","1","7","4","1") = "6"
    & skf21("6","6","5","4","1","7","5","1") = "6"
    & skf21("6","6","5","4","1","7","6","1") = "6"
    & skf21("6","6","5","4","1","7","7","1") = "6"
    & skf21("6","6","5","4","2","1","1","1") = "5"
    & skf21("6","6","5","4","2","1","2","1") = "5"
    & skf21("6","6","5","4","2","1","3","1") = "5"
    & skf21("6","6","5","4","2","1","4","1") = "5"
    & skf21("6","6","5","4","2","1","5","1") = "5"
    & skf21("6","6","5","4","2","1","6","1") = "5"
    & skf21("6","6","5","4","2","1","7","1") = "6"
    & skf21("6","6","5","4","2","2","1","1") = "5"
    & skf21("6","6","5","4","2","2","2","1") = "5"
    & skf21("6","6","5","4","2","2","3","1") = "5"
    & skf21("6","6","5","4","2","2","4","1") = "5"
    & skf21("6","6","5","4","2","2","5","1") = "5"
    & skf21("6","6","5","4","2","2","6","1") = "5"
    & skf21("6","6","5","4","2","2","7","1") = "6"
    & skf21("6","6","5","4","2","3","1","1") = "5"
    & skf21("6","6","5","4","2","3","2","1") = "5"
    & skf21("6","6","5","4","2","3","3","1") = "5"
    & skf21("6","6","5","4","2","3","4","1") = "5"
    & skf21("6","6","5","4","2","3","5","1") = "5"
    & skf21("6","6","5","4","2","3","6","1") = "5"
    & skf21("6","6","5","4","2","3","7","1") = "6"
    & skf21("6","6","5","4","2","4","1","1") = "5"
    & skf21("6","6","5","4","2","4","2","1") = "5"
    & skf21("6","6","5","4","2","4","3","1") = "5"
    & skf21("6","6","5","4","2","4","4","1") = "5"
    & skf21("6","6","5","4","2","4","5","1") = "5"
    & skf21("6","6","5","4","2","4","6","1") = "5"
    & skf21("6","6","5","4","2","4","7","1") = "6"
    & skf21("6","6","5","4","2","5","1","1") = "5"
    & skf21("6","6","5","4","2","5","2","1") = "5"
    & skf21("6","6","5","4","2","5","3","1") = "5"
    & skf21("6","6","5","4","2","5","4","1") = "5"
    & skf21("6","6","5","4","2","5","5","1") = "5"
    & skf21("6","6","5","4","2","5","6","1") = "5"
    & skf21("6","6","5","4","2","5","7","1") = "6"
    & skf21("6","6","5","4","2","6","1","1") = "5"
    & skf21("6","6","5","4","2","6","2","1") = "5"
    & skf21("6","6","5","4","2","6","3","1") = "5"
    & skf21("6","6","5","4","2","6","4","1") = "5"
    & skf21("6","6","5","4","2","6","5","1") = "5"
    & skf21("6","6","5","4","2","6","6","1") = "5"
    & skf21("6","6","5","4","2","6","7","1") = "6"
    & skf21("6","6","5","4","2","7","1","1") = "6"
    & skf21("6","6","5","4","2","7","2","1") = "6"
    & skf21("6","6","5","4","2","7","3","1") = "6"
    & skf21("6","6","5","4","2","7","4","1") = "6"
    & skf21("6","6","5","4","2","7","5","1") = "6"
    & skf21("6","6","5","4","2","7","6","1") = "6"
    & skf21("6","6","5","4","2","7","7","1") = "6"
    & skf21("6","6","5","4","3","1","1","1") = "5"
    & skf21("6","6","5","4","3","1","2","1") = "5"
    & skf21("6","6","5","4","3","1","3","1") = "5"
    & skf21("6","6","5","4","3","1","4","1") = "5"
    & skf21("6","6","5","4","3","1","5","1") = "5"
    & skf21("6","6","5","4","3","1","6","1") = "5"
    & skf21("6","6","5","4","3","1","7","1") = "6"
    & skf21("6","6","5","4","3","2","1","1") = "5"
    & skf21("6","6","5","4","3","2","2","1") = "5"
    & skf21("6","6","5","4","3","2","3","1") = "5"
    & skf21("6","6","5","4","3","2","4","1") = "5"
    & skf21("6","6","5","4","3","2","5","1") = "5"
    & skf21("6","6","5","4","3","2","6","1") = "5"
    & skf21("6","6","5","4","3","2","7","1") = "6"
    & skf21("6","6","5","4","3","3","1","1") = "5"
    & skf21("6","6","5","4","3","3","2","1") = "5"
    & skf21("6","6","5","4","3","3","3","1") = "5"
    & skf21("6","6","5","4","3","3","4","1") = "5"
    & skf21("6","6","5","4","3","3","5","1") = "5"
    & skf21("6","6","5","4","3","3","6","1") = "5"
    & skf21("6","6","5","4","3","3","7","1") = "6"
    & skf21("6","6","5","4","3","4","1","1") = "5"
    & skf21("6","6","5","4","3","4","2","1") = "5"
    & skf21("6","6","5","4","3","4","3","1") = "5"
    & skf21("6","6","5","4","3","4","4","1") = "5"
    & skf21("6","6","5","4","3","4","5","1") = "5"
    & skf21("6","6","5","4","3","4","6","1") = "5"
    & skf21("6","6","5","4","3","4","7","1") = "6"
    & skf21("6","6","5","4","3","5","1","1") = "5"
    & skf21("6","6","5","4","3","5","2","1") = "5"
    & skf21("6","6","5","4","3","5","3","1") = "5"
    & skf21("6","6","5","4","3","5","4","1") = "5"
    & skf21("6","6","5","4","3","5","5","1") = "5"
    & skf21("6","6","5","4","3","5","6","1") = "5"
    & skf21("6","6","5","4","3","5","7","1") = "6"
    & skf21("6","6","5","4","3","6","1","1") = "5"
    & skf21("6","6","5","4","3","6","2","1") = "5"
    & skf21("6","6","5","4","3","6","3","1") = "5"
    & skf21("6","6","5","4","3","6","4","1") = "5"
    & skf21("6","6","5","4","3","6","5","1") = "5"
    & skf21("6","6","5","4","3","6","6","1") = "5"
    & skf21("6","6","5","4","3","6","7","1") = "6"
    & skf21("6","6","5","4","3","7","1","1") = "6"
    & skf21("6","6","5","4","3","7","2","1") = "6"
    & skf21("6","6","5","4","3","7","3","1") = "6"
    & skf21("6","6","5","4","3","7","4","1") = "6"
    & skf21("6","6","5","4","3","7","5","1") = "6"
    & skf21("6","6","5","4","3","7","6","1") = "6"
    & skf21("6","6","5","4","3","7","7","1") = "6"
    & skf21("6","6","5","4","4","1","1","1") = "5"
    & skf21("6","6","5","4","4","1","2","1") = "5"
    & skf21("6","6","5","4","4","1","3","1") = "5"
    & skf21("6","6","5","4","4","1","4","1") = "5"
    & skf21("6","6","5","4","4","1","5","1") = "5"
    & skf21("6","6","5","4","4","1","6","1") = "5"
    & skf21("6","6","5","4","4","1","7","1") = "6"
    & skf21("6","6","5","4","4","2","1","1") = "5"
    & skf21("6","6","5","4","4","2","2","1") = "5"
    & skf21("6","6","5","4","4","2","3","1") = "5"
    & skf21("6","6","5","4","4","2","4","1") = "5"
    & skf21("6","6","5","4","4","2","5","1") = "5"
    & skf21("6","6","5","4","4","2","6","1") = "5"
    & skf21("6","6","5","4","4","2","7","1") = "6"
    & skf21("6","6","5","4","4","3","1","1") = "5"
    & skf21("6","6","5","4","4","3","2","1") = "5"
    & skf21("6","6","5","4","4","3","3","1") = "5"
    & skf21("6","6","5","4","4","3","4","1") = "5"
    & skf21("6","6","5","4","4","3","5","1") = "5"
    & skf21("6","6","5","4","4","3","6","1") = "5"
    & skf21("6","6","5","4","4","3","7","1") = "6"
    & skf21("6","6","5","4","4","4","1","1") = "5"
    & skf21("6","6","5","4","4","4","2","1") = "5"
    & skf21("6","6","5","4","4","4","3","1") = "5"
    & skf21("6","6","5","4","4","4","4","1") = "5"
    & skf21("6","6","5","4","4","4","5","1") = "5"
    & skf21("6","6","5","4","4","4","6","1") = "5"
    & skf21("6","6","5","4","4","4","7","1") = "6"
    & skf21("6","6","5","4","4","5","1","1") = "5"
    & skf21("6","6","5","4","4","5","2","1") = "5"
    & skf21("6","6","5","4","4","5","3","1") = "5"
    & skf21("6","6","5","4","4","5","4","1") = "5"
    & skf21("6","6","5","4","4","5","5","1") = "5"
    & skf21("6","6","5","4","4","5","6","1") = "5"
    & skf21("6","6","5","4","4","5","7","1") = "6"
    & skf21("6","6","5","4","4","6","1","1") = "5"
    & skf21("6","6","5","4","4","6","2","1") = "5"
    & skf21("6","6","5","4","4","6","3","1") = "5"
    & skf21("6","6","5","4","4","6","4","1") = "5"
    & skf21("6","6","5","4","4","6","5","1") = "5"
    & skf21("6","6","5","4","4","6","6","1") = "5"
    & skf21("6","6","5","4","4","6","7","1") = "6"
    & skf21("6","6","5","4","4","7","1","1") = "6"
    & skf21("6","6","5","4","4","7","2","1") = "6"
    & skf21("6","6","5","4","4","7","3","1") = "6"
    & skf21("6","6","5","4","4","7","4","1") = "6"
    & skf21("6","6","5","4","4","7","5","1") = "6"
    & skf21("6","6","5","4","4","7","6","1") = "6"
    & skf21("6","6","5","4","4","7","7","1") = "6"
    & skf21("6","6","5","4","5","1","1","1") = "5"
    & skf21("6","6","5","4","5","1","2","1") = "5"
    & skf21("6","6","5","4","5","1","3","1") = "5"
    & skf21("6","6","5","4","5","1","4","1") = "5"
    & skf21("6","6","5","4","5","1","5","1") = "5"
    & skf21("6","6","5","4","5","1","6","1") = "5"
    & skf21("6","6","5","4","5","1","7","1") = "6"
    & skf21("6","6","5","4","5","2","1","1") = "5"
    & skf21("6","6","5","4","5","2","2","1") = "5"
    & skf21("6","6","5","4","5","2","3","1") = "5"
    & skf21("6","6","5","4","5","2","4","1") = "5"
    & skf21("6","6","5","4","5","2","5","1") = "5"
    & skf21("6","6","5","4","5","2","6","1") = "5"
    & skf21("6","6","5","4","5","2","7","1") = "6"
    & skf21("6","6","5","4","5","3","1","1") = "5"
    & skf21("6","6","5","4","5","3","2","1") = "5"
    & skf21("6","6","5","4","5","3","3","1") = "5"
    & skf21("6","6","5","4","5","3","4","1") = "5"
    & skf21("6","6","5","4","5","3","5","1") = "5"
    & skf21("6","6","5","4","5","3","6","1") = "5"
    & skf21("6","6","5","4","5","3","7","1") = "6"
    & skf21("6","6","5","4","5","4","1","1") = "5"
    & skf21("6","6","5","4","5","4","2","1") = "5"
    & skf21("6","6","5","4","5","4","3","1") = "5"
    & skf21("6","6","5","4","5","4","4","1") = "5"
    & skf21("6","6","5","4","5","4","5","1") = "5"
    & skf21("6","6","5","4","5","4","6","1") = "5"
    & skf21("6","6","5","4","5","4","7","1") = "6"
    & skf21("6","6","5","4","5","5","1","1") = "5"
    & skf21("6","6","5","4","5","5","2","1") = "5"
    & skf21("6","6","5","4","5","5","3","1") = "5"
    & skf21("6","6","5","4","5","5","4","1") = "5"
    & skf21("6","6","5","4","5","5","5","1") = "5"
    & skf21("6","6","5","4","5","5","6","1") = "5"
    & skf21("6","6","5","4","5","5","7","1") = "6"
    & skf21("6","6","5","4","5","6","1","1") = "5"
    & skf21("6","6","5","4","5","6","2","1") = "5"
    & skf21("6","6","5","4","5","6","3","1") = "5"
    & skf21("6","6","5","4","5","6","4","1") = "5"
    & skf21("6","6","5","4","5","6","5","1") = "5"
    & skf21("6","6","5","4","5","6","6","1") = "5"
    & skf21("6","6","5","4","5","6","7","1") = "6"
    & skf21("6","6","5","4","5","7","1","1") = "6"
    & skf21("6","6","5","4","5","7","2","1") = "6"
    & skf21("6","6","5","4","5","7","3","1") = "6"
    & skf21("6","6","5","4","5","7","4","1") = "6"
    & skf21("6","6","5","4","5","7","5","1") = "6"
    & skf21("6","6","5","4","5","7","6","1") = "6"
    & skf21("6","6","5","4","5","7","7","1") = "6"
    & skf21("6","6","5","4","6","1","1","1") = "5"
    & skf21("6","6","5","4","6","1","2","1") = "5"
    & skf21("6","6","5","4","6","1","3","1") = "5"
    & skf21("6","6","5","4","6","1","4","1") = "5"
    & skf21("6","6","5","4","6","1","5","1") = "5"
    & skf21("6","6","5","4","6","1","6","1") = "5"
    & skf21("6","6","5","4","6","1","7","1") = "6"
    & skf21("6","6","5","4","6","2","1","1") = "5"
    & skf21("6","6","5","4","6","2","2","1") = "5"
    & skf21("6","6","5","4","6","2","3","1") = "5"
    & skf21("6","6","5","4","6","2","4","1") = "5"
    & skf21("6","6","5","4","6","2","5","1") = "5"
    & skf21("6","6","5","4","6","2","6","1") = "5"
    & skf21("6","6","5","4","6","2","7","1") = "6"
    & skf21("6","6","5","4","6","3","1","1") = "5"
    & skf21("6","6","5","4","6","3","2","1") = "5"
    & skf21("6","6","5","4","6","3","3","1") = "5"
    & skf21("6","6","5","4","6","3","4","1") = "5"
    & skf21("6","6","5","4","6","3","5","1") = "5"
    & skf21("6","6","5","4","6","3","6","1") = "5"
    & skf21("6","6","5","4","6","3","7","1") = "6"
    & skf21("6","6","5","4","6","4","1","1") = "5"
    & skf21("6","6","5","4","6","4","2","1") = "5"
    & skf21("6","6","5","4","6","4","3","1") = "5"
    & skf21("6","6","5","4","6","4","4","1") = "5"
    & skf21("6","6","5","4","6","4","5","1") = "5"
    & skf21("6","6","5","4","6","4","6","1") = "5"
    & skf21("6","6","5","4","6","4","7","1") = "6"
    & skf21("6","6","5","4","6","5","1","1") = "5"
    & skf21("6","6","5","4","6","5","2","1") = "5"
    & skf21("6","6","5","4","6","5","3","1") = "5"
    & skf21("6","6","5","4","6","5","4","1") = "5"
    & skf21("6","6","5","4","6","5","5","1") = "5"
    & skf21("6","6","5","4","6","5","6","1") = "5"
    & skf21("6","6","5","4","6","5","7","1") = "6"
    & skf21("6","6","5","4","6","6","1","1") = "5"
    & skf21("6","6","5","4","6","6","2","1") = "5"
    & skf21("6","6","5","4","6","6","3","1") = "5"
    & skf21("6","6","5","4","6","6","4","1") = "5"
    & skf21("6","6","5","4","6","6","5","1") = "5"
    & skf21("6","6","5","4","6","6","6","1") = "5"
    & skf21("6","6","5","4","6","6","7","1") = "6"
    & skf21("6","6","5","4","6","7","1","1") = "6"
    & skf21("6","6","5","4","6","7","2","1") = "6"
    & skf21("6","6","5","4","6","7","3","1") = "6"
    & skf21("6","6","5","4","6","7","4","1") = "6"
    & skf21("6","6","5","4","6","7","5","1") = "6"
    & skf21("6","6","5","4","6","7","6","1") = "6"
    & skf21("6","6","5","4","6","7","7","1") = "6"
    & skf21("6","6","5","4","7","1","1","1") = "6"
    & skf21("6","6","5","4","7","1","2","1") = "6"
    & skf21("6","6","5","4","7","1","3","1") = "6"
    & skf21("6","6","5","4","7","1","4","1") = "6"
    & skf21("6","6","5","4","7","1","5","1") = "6"
    & skf21("6","6","5","4","7","1","6","1") = "6"
    & skf21("6","6","5","4","7","1","7","1") = "6"
    & skf21("6","6","5","4","7","2","1","1") = "6"
    & skf21("6","6","5","4","7","2","2","1") = "6"
    & skf21("6","6","5","4","7","2","3","1") = "6"
    & skf21("6","6","5","4","7","2","4","1") = "6"
    & skf21("6","6","5","4","7","2","5","1") = "6"
    & skf21("6","6","5","4","7","2","6","1") = "6"
    & skf21("6","6","5","4","7","2","7","1") = "6"
    & skf21("6","6","5","4","7","3","1","1") = "6"
    & skf21("6","6","5","4","7","3","2","1") = "6"
    & skf21("6","6","5","4","7","3","3","1") = "6"
    & skf21("6","6","5","4","7","3","4","1") = "6"
    & skf21("6","6","5","4","7","3","5","1") = "6"
    & skf21("6","6","5","4","7","3","6","1") = "6"
    & skf21("6","6","5","4","7","3","7","1") = "6"
    & skf21("6","6","5","4","7","4","1","1") = "6"
    & skf21("6","6","5","4","7","4","2","1") = "6"
    & skf21("6","6","5","4","7","4","3","1") = "6"
    & skf21("6","6","5","4","7","4","4","1") = "6"
    & skf21("6","6","5","4","7","4","5","1") = "6"
    & skf21("6","6","5","4","7","4","6","1") = "6"
    & skf21("6","6","5","4","7","4","7","1") = "6"
    & skf21("6","6","5","4","7","5","1","1") = "6"
    & skf21("6","6","5","4","7","5","2","1") = "6"
    & skf21("6","6","5","4","7","5","3","1") = "6"
    & skf21("6","6","5","4","7","5","4","1") = "6"
    & skf21("6","6","5","4","7","5","5","1") = "6"
    & skf21("6","6","5","4","7","5","6","1") = "6"
    & skf21("6","6","5","4","7","5","7","1") = "6"
    & skf21("6","6","5","4","7","6","1","1") = "6"
    & skf21("6","6","5","4","7","6","2","1") = "6"
    & skf21("6","6","5","4","7","6","3","1") = "6"
    & skf21("6","6","5","4","7","6","4","1") = "6"
    & skf21("6","6","5","4","7","6","5","1") = "6"
    & skf21("6","6","5","4","7","6","6","1") = "6"
    & skf21("6","6","5","4","7","6","7","1") = "6"
    & skf21("6","6","5","4","7","7","1","1") = "6"
    & skf21("6","6","5","4","7","7","2","1") = "6"
    & skf21("6","6","5","4","7","7","3","1") = "6"
    & skf21("6","6","5","4","7","7","4","1") = "6"
    & skf21("6","6","5","4","7","7","5","1") = "6"
    & skf21("6","6","5","4","7","7","6","1") = "6"
    & skf21("6","6","5","4","7","7","7","1") = "6"
    & skf21("6","6","5","5","1","1","1","1") = "5"
    & skf21("6","6","5","5","1","1","2","1") = "5"
    & skf21("6","6","5","5","1","1","3","1") = "5"
    & skf21("6","6","5","5","1","1","4","1") = "5"
    & skf21("6","6","5","5","1","1","5","1") = "5"
    & skf21("6","6","5","5","1","1","6","1") = "5"
    & skf21("6","6","5","5","1","1","7","1") = "6"
    & skf21("6","6","5","5","1","2","1","1") = "5"
    & skf21("6","6","5","5","1","2","2","1") = "5"
    & skf21("6","6","5","5","1","2","3","1") = "5"
    & skf21("6","6","5","5","1","2","4","1") = "5"
    & skf21("6","6","5","5","1","2","5","1") = "5"
    & skf21("6","6","5","5","1","2","6","1") = "5"
    & skf21("6","6","5","5","1","2","7","1") = "6"
    & skf21("6","6","5","5","1","3","1","1") = "5"
    & skf21("6","6","5","5","1","3","2","1") = "5"
    & skf21("6","6","5","5","1","3","3","1") = "5"
    & skf21("6","6","5","5","1","3","4","1") = "5"
    & skf21("6","6","5","5","1","3","5","1") = "5"
    & skf21("6","6","5","5","1","3","6","1") = "5"
    & skf21("6","6","5","5","1","3","7","1") = "6"
    & skf21("6","6","5","5","1","4","1","1") = "5"
    & skf21("6","6","5","5","1","4","2","1") = "5"
    & skf21("6","6","5","5","1","4","3","1") = "5"
    & skf21("6","6","5","5","1","4","4","1") = "5"
    & skf21("6","6","5","5","1","4","5","1") = "5"
    & skf21("6","6","5","5","1","4","6","1") = "5"
    & skf21("6","6","5","5","1","4","7","1") = "6"
    & skf21("6","6","5","5","1","5","1","1") = "5"
    & skf21("6","6","5","5","1","5","2","1") = "5"
    & skf21("6","6","5","5","1","5","3","1") = "5"
    & skf21("6","6","5","5","1","5","4","1") = "5"
    & skf21("6","6","5","5","1","5","5","1") = "5"
    & skf21("6","6","5","5","1","5","6","1") = "5"
    & skf21("6","6","5","5","1","5","7","1") = "6"
    & skf21("6","6","5","5","1","6","1","1") = "5"
    & skf21("6","6","5","5","1","6","2","1") = "5"
    & skf21("6","6","5","5","1","6","3","1") = "5"
    & skf21("6","6","5","5","1","6","4","1") = "5"
    & skf21("6","6","5","5","1","6","5","1") = "5"
    & skf21("6","6","5","5","1","6","6","1") = "5"
    & skf21("6","6","5","5","1","6","7","1") = "6"
    & skf21("6","6","5","5","1","7","1","1") = "6"
    & skf21("6","6","5","5","1","7","2","1") = "6"
    & skf21("6","6","5","5","1","7","3","1") = "6"
    & skf21("6","6","5","5","1","7","4","1") = "6"
    & skf21("6","6","5","5","1","7","5","1") = "6"
    & skf21("6","6","5","5","1","7","6","1") = "6"
    & skf21("6","6","5","5","1","7","7","1") = "6"
    & skf21("6","6","5","5","2","1","1","1") = "5"
    & skf21("6","6","5","5","2","1","2","1") = "5"
    & skf21("6","6","5","5","2","1","3","1") = "5"
    & skf21("6","6","5","5","2","1","4","1") = "5"
    & skf21("6","6","5","5","2","1","5","1") = "5"
    & skf21("6","6","5","5","2","1","6","1") = "5"
    & skf21("6","6","5","5","2","1","7","1") = "6"
    & skf21("6","6","5","5","2","2","1","1") = "5"
    & skf21("6","6","5","5","2","2","2","1") = "5"
    & skf21("6","6","5","5","2","2","3","1") = "5"
    & skf21("6","6","5","5","2","2","4","1") = "5"
    & skf21("6","6","5","5","2","2","5","1") = "5"
    & skf21("6","6","5","5","2","2","6","1") = "5"
    & skf21("6","6","5","5","2","2","7","1") = "6"
    & skf21("6","6","5","5","2","3","1","1") = "5"
    & skf21("6","6","5","5","2","3","2","1") = "5"
    & skf21("6","6","5","5","2","3","3","1") = "5"
    & skf21("6","6","5","5","2","3","4","1") = "5"
    & skf21("6","6","5","5","2","3","5","1") = "5"
    & skf21("6","6","5","5","2","3","6","1") = "5"
    & skf21("6","6","5","5","2","3","7","1") = "6"
    & skf21("6","6","5","5","2","4","1","1") = "5"
    & skf21("6","6","5","5","2","4","2","1") = "5"
    & skf21("6","6","5","5","2","4","3","1") = "5"
    & skf21("6","6","5","5","2","4","4","1") = "5"
    & skf21("6","6","5","5","2","4","5","1") = "5"
    & skf21("6","6","5","5","2","4","6","1") = "5"
    & skf21("6","6","5","5","2","4","7","1") = "6"
    & skf21("6","6","5","5","2","5","1","1") = "5"
    & skf21("6","6","5","5","2","5","2","1") = "5"
    & skf21("6","6","5","5","2","5","3","1") = "5"
    & skf21("6","6","5","5","2","5","4","1") = "5"
    & skf21("6","6","5","5","2","5","5","1") = "5"
    & skf21("6","6","5","5","2","5","6","1") = "5"
    & skf21("6","6","5","5","2","5","7","1") = "6"
    & skf21("6","6","5","5","2","6","1","1") = "5"
    & skf21("6","6","5","5","2","6","2","1") = "5"
    & skf21("6","6","5","5","2","6","3","1") = "5"
    & skf21("6","6","5","5","2","6","4","1") = "5"
    & skf21("6","6","5","5","2","6","5","1") = "5"
    & skf21("6","6","5","5","2","6","6","1") = "5"
    & skf21("6","6","5","5","2","6","7","1") = "6"
    & skf21("6","6","5","5","2","7","1","1") = "6"
    & skf21("6","6","5","5","2","7","2","1") = "6"
    & skf21("6","6","5","5","2","7","3","1") = "6"
    & skf21("6","6","5","5","2","7","4","1") = "6"
    & skf21("6","6","5","5","2","7","5","1") = "6"
    & skf21("6","6","5","5","2","7","6","1") = "6"
    & skf21("6","6","5","5","2","7","7","1") = "6"
    & skf21("6","6","5","5","3","1","1","1") = "5"
    & skf21("6","6","5","5","3","1","2","1") = "5"
    & skf21("6","6","5","5","3","1","3","1") = "5"
    & skf21("6","6","5","5","3","1","4","1") = "5"
    & skf21("6","6","5","5","3","1","5","1") = "5"
    & skf21("6","6","5","5","3","1","6","1") = "5"
    & skf21("6","6","5","5","3","1","7","1") = "6"
    & skf21("6","6","5","5","3","2","1","1") = "5"
    & skf21("6","6","5","5","3","2","2","1") = "5"
    & skf21("6","6","5","5","3","2","3","1") = "5"
    & skf21("6","6","5","5","3","2","4","1") = "5"
    & skf21("6","6","5","5","3","2","5","1") = "5"
    & skf21("6","6","5","5","3","2","6","1") = "5"
    & skf21("6","6","5","5","3","2","7","1") = "6"
    & skf21("6","6","5","5","3","3","1","1") = "5"
    & skf21("6","6","5","5","3","3","2","1") = "5"
    & skf21("6","6","5","5","3","3","3","1") = "5"
    & skf21("6","6","5","5","3","3","4","1") = "5"
    & skf21("6","6","5","5","3","3","5","1") = "5"
    & skf21("6","6","5","5","3","3","6","1") = "5"
    & skf21("6","6","5","5","3","3","7","1") = "6"
    & skf21("6","6","5","5","3","4","1","1") = "5"
    & skf21("6","6","5","5","3","4","2","1") = "5"
    & skf21("6","6","5","5","3","4","3","1") = "5"
    & skf21("6","6","5","5","3","4","4","1") = "5"
    & skf21("6","6","5","5","3","4","5","1") = "5"
    & skf21("6","6","5","5","3","4","6","1") = "5"
    & skf21("6","6","5","5","3","4","7","1") = "6"
    & skf21("6","6","5","5","3","5","1","1") = "5"
    & skf21("6","6","5","5","3","5","2","1") = "5"
    & skf21("6","6","5","5","3","5","3","1") = "5"
    & skf21("6","6","5","5","3","5","4","1") = "5"
    & skf21("6","6","5","5","3","5","5","1") = "5"
    & skf21("6","6","5","5","3","5","6","1") = "5"
    & skf21("6","6","5","5","3","5","7","1") = "6"
    & skf21("6","6","5","5","3","6","1","1") = "5"
    & skf21("6","6","5","5","3","6","2","1") = "5"
    & skf21("6","6","5","5","3","6","3","1") = "5"
    & skf21("6","6","5","5","3","6","4","1") = "5"
    & skf21("6","6","5","5","3","6","5","1") = "5"
    & skf21("6","6","5","5","3","6","6","1") = "5"
    & skf21("6","6","5","5","3","6","7","1") = "6"
    & skf21("6","6","5","5","3","7","1","1") = "6"
    & skf21("6","6","5","5","3","7","2","1") = "6"
    & skf21("6","6","5","5","3","7","3","1") = "6"
    & skf21("6","6","5","5","3","7","4","1") = "6"
    & skf21("6","6","5","5","3","7","5","1") = "6"
    & skf21("6","6","5","5","3","7","6","1") = "6"
    & skf21("6","6","5","5","3","7","7","1") = "6"
    & skf21("6","6","5","5","4","1","1","1") = "5"
    & skf21("6","6","5","5","4","1","2","1") = "5"
    & skf21("6","6","5","5","4","1","3","1") = "5"
    & skf21("6","6","5","5","4","1","4","1") = "5"
    & skf21("6","6","5","5","4","1","5","1") = "5"
    & skf21("6","6","5","5","4","1","6","1") = "5"
    & skf21("6","6","5","5","4","1","7","1") = "6"
    & skf21("6","6","5","5","4","2","1","1") = "5"
    & skf21("6","6","5","5","4","2","2","1") = "5"
    & skf21("6","6","5","5","4","2","3","1") = "5"
    & skf21("6","6","5","5","4","2","4","1") = "5"
    & skf21("6","6","5","5","4","2","5","1") = "5"
    & skf21("6","6","5","5","4","2","6","1") = "5"
    & skf21("6","6","5","5","4","2","7","1") = "6"
    & skf21("6","6","5","5","4","3","1","1") = "5"
    & skf21("6","6","5","5","4","3","2","1") = "5"
    & skf21("6","6","5","5","4","3","3","1") = "5"
    & skf21("6","6","5","5","4","3","4","1") = "5"
    & skf21("6","6","5","5","4","3","5","1") = "5"
    & skf21("6","6","5","5","4","3","6","1") = "5"
    & skf21("6","6","5","5","4","3","7","1") = "6"
    & skf21("6","6","5","5","4","4","1","1") = "5"
    & skf21("6","6","5","5","4","4","2","1") = "5"
    & skf21("6","6","5","5","4","4","3","1") = "5"
    & skf21("6","6","5","5","4","4","4","1") = "5"
    & skf21("6","6","5","5","4","4","5","1") = "5"
    & skf21("6","6","5","5","4","4","6","1") = "5"
    & skf21("6","6","5","5","4","4","7","1") = "6"
    & skf21("6","6","5","5","4","5","1","1") = "5"
    & skf21("6","6","5","5","4","5","2","1") = "5"
    & skf21("6","6","5","5","4","5","3","1") = "5"
    & skf21("6","6","5","5","4","5","4","1") = "5"
    & skf21("6","6","5","5","4","5","5","1") = "5"
    & skf21("6","6","5","5","4","5","6","1") = "5"
    & skf21("6","6","5","5","4","5","7","1") = "6"
    & skf21("6","6","5","5","4","6","1","1") = "5"
    & skf21("6","6","5","5","4","6","2","1") = "5"
    & skf21("6","6","5","5","4","6","3","1") = "5"
    & skf21("6","6","5","5","4","6","4","1") = "5"
    & skf21("6","6","5","5","4","6","5","1") = "5"
    & skf21("6","6","5","5","4","6","6","1") = "5"
    & skf21("6","6","5","5","4","6","7","1") = "6"
    & skf21("6","6","5","5","4","7","1","1") = "6"
    & skf21("6","6","5","5","4","7","2","1") = "6"
    & skf21("6","6","5","5","4","7","3","1") = "6"
    & skf21("6","6","5","5","4","7","4","1") = "6"
    & skf21("6","6","5","5","4","7","5","1") = "6"
    & skf21("6","6","5","5","4","7","6","1") = "6"
    & skf21("6","6","5","5","4","7","7","1") = "6"
    & skf21("6","6","5","5","5","1","1","1") = "5"
    & skf21("6","6","5","5","5","1","2","1") = "5"
    & skf21("6","6","5","5","5","1","3","1") = "5"
    & skf21("6","6","5","5","5","1","4","1") = "5"
    & skf21("6","6","5","5","5","1","5","1") = "5"
    & skf21("6","6","5","5","5","1","6","1") = "5"
    & skf21("6","6","5","5","5","1","7","1") = "6"
    & skf21("6","6","5","5","5","2","1","1") = "5"
    & skf21("6","6","5","5","5","2","2","1") = "5"
    & skf21("6","6","5","5","5","2","3","1") = "5"
    & skf21("6","6","5","5","5","2","4","1") = "5"
    & skf21("6","6","5","5","5","2","5","1") = "5"
    & skf21("6","6","5","5","5","2","6","1") = "5"
    & skf21("6","6","5","5","5","2","7","1") = "6"
    & skf21("6","6","5","5","5","3","1","1") = "5"
    & skf21("6","6","5","5","5","3","2","1") = "5"
    & skf21("6","6","5","5","5","3","3","1") = "5"
    & skf21("6","6","5","5","5","3","4","1") = "5"
    & skf21("6","6","5","5","5","3","5","1") = "5"
    & skf21("6","6","5","5","5","3","6","1") = "5"
    & skf21("6","6","5","5","5","3","7","1") = "6"
    & skf21("6","6","5","5","5","4","1","1") = "5"
    & skf21("6","6","5","5","5","4","2","1") = "5"
    & skf21("6","6","5","5","5","4","3","1") = "5"
    & skf21("6","6","5","5","5","4","4","1") = "5"
    & skf21("6","6","5","5","5","4","5","1") = "5"
    & skf21("6","6","5","5","5","4","6","1") = "5"
    & skf21("6","6","5","5","5","4","7","1") = "6"
    & skf21("6","6","5","5","5","5","1","1") = "5"
    & skf21("6","6","5","5","5","5","2","1") = "5"
    & skf21("6","6","5","5","5","5","3","1") = "5"
    & skf21("6","6","5","5","5","5","4","1") = "5"
    & skf21("6","6","5","5","5","5","5","1") = "5"
    & skf21("6","6","5","5","5","5","6","1") = "5"
    & skf21("6","6","5","5","5","5","7","1") = "6"
    & skf21("6","6","5","5","5","6","1","1") = "5"
    & skf21("6","6","5","5","5","6","2","1") = "5"
    & skf21("6","6","5","5","5","6","3","1") = "5"
    & skf21("6","6","5","5","5","6","4","1") = "5"
    & skf21("6","6","5","5","5","6","5","1") = "5"
    & skf21("6","6","5","5","5","6","6","1") = "5"
    & skf21("6","6","5","5","5","6","7","1") = "6"
    & skf21("6","6","5","5","5","7","1","1") = "6"
    & skf21("6","6","5","5","5","7","2","1") = "6"
    & skf21("6","6","5","5","5","7","3","1") = "6"
    & skf21("6","6","5","5","5","7","4","1") = "6"
    & skf21("6","6","5","5","5","7","5","1") = "6"
    & skf21("6","6","5","5","5","7","6","1") = "6"
    & skf21("6","6","5","5","5","7","7","1") = "6"
    & skf21("6","6","5","5","6","1","1","1") = "5"
    & skf21("6","6","5","5","6","1","2","1") = "5"
    & skf21("6","6","5","5","6","1","3","1") = "5"
    & skf21("6","6","5","5","6","1","4","1") = "5"
    & skf21("6","6","5","5","6","1","5","1") = "5"
    & skf21("6","6","5","5","6","1","6","1") = "5"
    & skf21("6","6","5","5","6","1","7","1") = "6"
    & skf21("6","6","5","5","6","2","1","1") = "5"
    & skf21("6","6","5","5","6","2","2","1") = "5"
    & skf21("6","6","5","5","6","2","3","1") = "5"
    & skf21("6","6","5","5","6","2","4","1") = "5"
    & skf21("6","6","5","5","6","2","5","1") = "5"
    & skf21("6","6","5","5","6","2","6","1") = "5"
    & skf21("6","6","5","5","6","2","7","1") = "6"
    & skf21("6","6","5","5","6","3","1","1") = "5"
    & skf21("6","6","5","5","6","3","2","1") = "5"
    & skf21("6","6","5","5","6","3","3","1") = "5"
    & skf21("6","6","5","5","6","3","4","1") = "5"
    & skf21("6","6","5","5","6","3","5","1") = "5"
    & skf21("6","6","5","5","6","3","6","1") = "5"
    & skf21("6","6","5","5","6","3","7","1") = "6"
    & skf21("6","6","5","5","6","4","1","1") = "5"
    & skf21("6","6","5","5","6","4","2","1") = "5"
    & skf21("6","6","5","5","6","4","3","1") = "5"
    & skf21("6","6","5","5","6","4","4","1") = "5"
    & skf21("6","6","5","5","6","4","5","1") = "5"
    & skf21("6","6","5","5","6","4","6","1") = "5"
    & skf21("6","6","5","5","6","4","7","1") = "6"
    & skf21("6","6","5","5","6","5","1","1") = "5"
    & skf21("6","6","5","5","6","5","2","1") = "5"
    & skf21("6","6","5","5","6","5","3","1") = "5"
    & skf21("6","6","5","5","6","5","4","1") = "5"
    & skf21("6","6","5","5","6","5","5","1") = "5"
    & skf21("6","6","5","5","6","5","6","1") = "5"
    & skf21("6","6","5","5","6","5","7","1") = "6"
    & skf21("6","6","5","5","6","6","1","1") = "5"
    & skf21("6","6","5","5","6","6","2","1") = "5"
    & skf21("6","6","5","5","6","6","3","1") = "5"
    & skf21("6","6","5","5","6","6","4","1") = "5"
    & skf21("6","6","5","5","6","6","5","1") = "5"
    & skf21("6","6","5","5","6","6","6","1") = "5"
    & skf21("6","6","5","5","6","6","7","1") = "6"
    & skf21("6","6","5","5","6","7","1","1") = "6"
    & skf21("6","6","5","5","6","7","2","1") = "6"
    & skf21("6","6","5","5","6","7","3","1") = "6"
    & skf21("6","6","5","5","6","7","4","1") = "6"
    & skf21("6","6","5","5","6","7","5","1") = "6"
    & skf21("6","6","5","5","6","7","6","1") = "6"
    & skf21("6","6","5","5","6","7","7","1") = "6"
    & skf21("6","6","5","5","7","1","1","1") = "6"
    & skf21("6","6","5","5","7","1","2","1") = "6"
    & skf21("6","6","5","5","7","1","3","1") = "6"
    & skf21("6","6","5","5","7","1","4","1") = "6"
    & skf21("6","6","5","5","7","1","5","1") = "6"
    & skf21("6","6","5","5","7","1","6","1") = "6"
    & skf21("6","6","5","5","7","1","7","1") = "6"
    & skf21("6","6","5","5","7","2","1","1") = "6"
    & skf21("6","6","5","5","7","2","2","1") = "6"
    & skf21("6","6","5","5","7","2","3","1") = "6"
    & skf21("6","6","5","5","7","2","4","1") = "6"
    & skf21("6","6","5","5","7","2","5","1") = "6"
    & skf21("6","6","5","5","7","2","6","1") = "6"
    & skf21("6","6","5","5","7","2","7","1") = "6"
    & skf21("6","6","5","5","7","3","1","1") = "6"
    & skf21("6","6","5","5","7","3","2","1") = "6"
    & skf21("6","6","5","5","7","3","3","1") = "6"
    & skf21("6","6","5","5","7","3","4","1") = "6"
    & skf21("6","6","5","5","7","3","5","1") = "6"
    & skf21("6","6","5","5","7","3","6","1") = "6"
    & skf21("6","6","5","5","7","3","7","1") = "6"
    & skf21("6","6","5","5","7","4","1","1") = "6"
    & skf21("6","6","5","5","7","4","2","1") = "6"
    & skf21("6","6","5","5","7","4","3","1") = "6"
    & skf21("6","6","5","5","7","4","4","1") = "6"
    & skf21("6","6","5","5","7","4","5","1") = "6"
    & skf21("6","6","5","5","7","4","6","1") = "6"
    & skf21("6","6","5","5","7","4","7","1") = "6"
    & skf21("6","6","5","5","7","5","1","1") = "6"
    & skf21("6","6","5","5","7","5","2","1") = "6"
    & skf21("6","6","5","5","7","5","3","1") = "6"
    & skf21("6","6","5","5","7","5","4","1") = "6"
    & skf21("6","6","5","5","7","5","5","1") = "6"
    & skf21("6","6","5","5","7","5","6","1") = "6"
    & skf21("6","6","5","5","7","5","7","1") = "6"
    & skf21("6","6","5","5","7","6","1","1") = "6"
    & skf21("6","6","5","5","7","6","2","1") = "6"
    & skf21("6","6","5","5","7","6","3","1") = "6"
    & skf21("6","6","5","5","7","6","4","1") = "6"
    & skf21("6","6","5","5","7","6","5","1") = "6"
    & skf21("6","6","5","5","7","6","6","1") = "6"
    & skf21("6","6","5","5","7","6","7","1") = "6"
    & skf21("6","6","5","5","7","7","1","1") = "6"
    & skf21("6","6","5","5","7","7","2","1") = "6"
    & skf21("6","6","5","5","7","7","3","1") = "6"
    & skf21("6","6","5","5","7","7","4","1") = "6"
    & skf21("6","6","5","5","7","7","5","1") = "6"
    & skf21("6","6","5","5","7","7","6","1") = "6"
    & skf21("6","6","5","5","7","7","7","1") = "6"
    & skf21("6","6","5","6","1","1","1","1") = "5"
    & skf21("6","6","5","6","1","1","2","1") = "5"
    & skf21("6","6","5","6","1","1","3","1") = "5"
    & skf21("6","6","5","6","1","1","4","1") = "5"
    & skf21("6","6","5","6","1","1","5","1") = "5"
    & skf21("6","6","5","6","1","1","6","1") = "5"
    & skf21("6","6","5","6","1","1","7","1") = "6"
    & skf21("6","6","5","6","1","2","1","1") = "5"
    & skf21("6","6","5","6","1","2","2","1") = "5"
    & skf21("6","6","5","6","1","2","3","1") = "5"
    & skf21("6","6","5","6","1","2","4","1") = "5"
    & skf21("6","6","5","6","1","2","5","1") = "5"
    & skf21("6","6","5","6","1","2","6","1") = "5"
    & skf21("6","6","5","6","1","2","7","1") = "6"
    & skf21("6","6","5","6","1","3","1","1") = "5"
    & skf21("6","6","5","6","1","3","2","1") = "5"
    & skf21("6","6","5","6","1","3","3","1") = "5"
    & skf21("6","6","5","6","1","3","4","1") = "5"
    & skf21("6","6","5","6","1","3","5","1") = "5"
    & skf21("6","6","5","6","1","3","6","1") = "5"
    & skf21("6","6","5","6","1","3","7","1") = "6"
    & skf21("6","6","5","6","1","4","1","1") = "5"
    & skf21("6","6","5","6","1","4","2","1") = "5"
    & skf21("6","6","5","6","1","4","3","1") = "5"
    & skf21("6","6","5","6","1","4","4","1") = "5"
    & skf21("6","6","5","6","1","4","5","1") = "5"
    & skf21("6","6","5","6","1","4","6","1") = "5"
    & skf21("6","6","5","6","1","4","7","1") = "6"
    & skf21("6","6","5","6","1","5","1","1") = "5"
    & skf21("6","6","5","6","1","5","2","1") = "5"
    & skf21("6","6","5","6","1","5","3","1") = "5"
    & skf21("6","6","5","6","1","5","4","1") = "5"
    & skf21("6","6","5","6","1","5","5","1") = "5"
    & skf21("6","6","5","6","1","5","6","1") = "5"
    & skf21("6","6","5","6","1","5","7","1") = "6"
    & skf21("6","6","5","6","1","6","1","1") = "5"
    & skf21("6","6","5","6","1","6","2","1") = "5"
    & skf21("6","6","5","6","1","6","3","1") = "5"
    & skf21("6","6","5","6","1","6","4","1") = "5"
    & skf21("6","6","5","6","1","6","5","1") = "5"
    & skf21("6","6","5","6","1","6","6","1") = "5"
    & skf21("6","6","5","6","1","6","7","1") = "6"
    & skf21("6","6","5","6","1","7","1","1") = "6"
    & skf21("6","6","5","6","1","7","2","1") = "6"
    & skf21("6","6","5","6","1","7","3","1") = "6"
    & skf21("6","6","5","6","1","7","4","1") = "6"
    & skf21("6","6","5","6","1","7","5","1") = "6"
    & skf21("6","6","5","6","1","7","6","1") = "6"
    & skf21("6","6","5","6","1","7","7","1") = "6"
    & skf21("6","6","5","6","2","1","1","1") = "5"
    & skf21("6","6","5","6","2","1","2","1") = "5"
    & skf21("6","6","5","6","2","1","3","1") = "5"
    & skf21("6","6","5","6","2","1","4","1") = "5"
    & skf21("6","6","5","6","2","1","5","1") = "5"
    & skf21("6","6","5","6","2","1","6","1") = "5"
    & skf21("6","6","5","6","2","1","7","1") = "6"
    & skf21("6","6","5","6","2","2","1","1") = "5"
    & skf21("6","6","5","6","2","2","2","1") = "5"
    & skf21("6","6","5","6","2","2","3","1") = "5"
    & skf21("6","6","5","6","2","2","4","1") = "5"
    & skf21("6","6","5","6","2","2","5","1") = "5"
    & skf21("6","6","5","6","2","2","6","1") = "5"
    & skf21("6","6","5","6","2","2","7","1") = "6"
    & skf21("6","6","5","6","2","3","1","1") = "5"
    & skf21("6","6","5","6","2","3","2","1") = "5"
    & skf21("6","6","5","6","2","3","3","1") = "5"
    & skf21("6","6","5","6","2","3","4","1") = "5"
    & skf21("6","6","5","6","2","3","5","1") = "5"
    & skf21("6","6","5","6","2","3","6","1") = "5"
    & skf21("6","6","5","6","2","3","7","1") = "6"
    & skf21("6","6","5","6","2","4","1","1") = "5"
    & skf21("6","6","5","6","2","4","2","1") = "5"
    & skf21("6","6","5","6","2","4","3","1") = "5"
    & skf21("6","6","5","6","2","4","4","1") = "5"
    & skf21("6","6","5","6","2","4","5","1") = "5"
    & skf21("6","6","5","6","2","4","6","1") = "5"
    & skf21("6","6","5","6","2","4","7","1") = "6"
    & skf21("6","6","5","6","2","5","1","1") = "5"
    & skf21("6","6","5","6","2","5","2","1") = "5"
    & skf21("6","6","5","6","2","5","3","1") = "5"
    & skf21("6","6","5","6","2","5","4","1") = "5"
    & skf21("6","6","5","6","2","5","5","1") = "5"
    & skf21("6","6","5","6","2","5","6","1") = "5"
    & skf21("6","6","5","6","2","5","7","1") = "6"
    & skf21("6","6","5","6","2","6","1","1") = "5"
    & skf21("6","6","5","6","2","6","2","1") = "5"
    & skf21("6","6","5","6","2","6","3","1") = "5"
    & skf21("6","6","5","6","2","6","4","1") = "5"
    & skf21("6","6","5","6","2","6","5","1") = "5"
    & skf21("6","6","5","6","2","6","6","1") = "5"
    & skf21("6","6","5","6","2","6","7","1") = "6"
    & skf21("6","6","5","6","2","7","1","1") = "6"
    & skf21("6","6","5","6","2","7","2","1") = "6"
    & skf21("6","6","5","6","2","7","3","1") = "6"
    & skf21("6","6","5","6","2","7","4","1") = "6"
    & skf21("6","6","5","6","2","7","5","1") = "6"
    & skf21("6","6","5","6","2","7","6","1") = "6"
    & skf21("6","6","5","6","2","7","7","1") = "6"
    & skf21("6","6","5","6","3","1","1","1") = "5"
    & skf21("6","6","5","6","3","1","2","1") = "5"
    & skf21("6","6","5","6","3","1","3","1") = "5"
    & skf21("6","6","5","6","3","1","4","1") = "5"
    & skf21("6","6","5","6","3","1","5","1") = "5"
    & skf21("6","6","5","6","3","1","6","1") = "5"
    & skf21("6","6","5","6","3","1","7","1") = "6"
    & skf21("6","6","5","6","3","2","1","1") = "5"
    & skf21("6","6","5","6","3","2","2","1") = "5"
    & skf21("6","6","5","6","3","2","3","1") = "5"
    & skf21("6","6","5","6","3","2","4","1") = "5"
    & skf21("6","6","5","6","3","2","5","1") = "5"
    & skf21("6","6","5","6","3","2","6","1") = "5"
    & skf21("6","6","5","6","3","2","7","1") = "6"
    & skf21("6","6","5","6","3","3","1","1") = "5"
    & skf21("6","6","5","6","3","3","2","1") = "5"
    & skf21("6","6","5","6","3","3","3","1") = "5"
    & skf21("6","6","5","6","3","3","4","1") = "5"
    & skf21("6","6","5","6","3","3","5","1") = "5"
    & skf21("6","6","5","6","3","3","6","1") = "5"
    & skf21("6","6","5","6","3","3","7","1") = "6"
    & skf21("6","6","5","6","3","4","1","1") = "5"
    & skf21("6","6","5","6","3","4","2","1") = "5"
    & skf21("6","6","5","6","3","4","3","1") = "5"
    & skf21("6","6","5","6","3","4","4","1") = "5"
    & skf21("6","6","5","6","3","4","5","1") = "5"
    & skf21("6","6","5","6","3","4","6","1") = "5"
    & skf21("6","6","5","6","3","4","7","1") = "6"
    & skf21("6","6","5","6","3","5","1","1") = "5"
    & skf21("6","6","5","6","3","5","2","1") = "5"
    & skf21("6","6","5","6","3","5","3","1") = "5"
    & skf21("6","6","5","6","3","5","4","1") = "5"
    & skf21("6","6","5","6","3","5","5","1") = "5"
    & skf21("6","6","5","6","3","5","6","1") = "5"
    & skf21("6","6","5","6","3","5","7","1") = "6"
    & skf21("6","6","5","6","3","6","1","1") = "5"
    & skf21("6","6","5","6","3","6","2","1") = "5"
    & skf21("6","6","5","6","3","6","3","1") = "5"
    & skf21("6","6","5","6","3","6","4","1") = "5"
    & skf21("6","6","5","6","3","6","5","1") = "5"
    & skf21("6","6","5","6","3","6","6","1") = "5"
    & skf21("6","6","5","6","3","6","7","1") = "6"
    & skf21("6","6","5","6","3","7","1","1") = "6"
    & skf21("6","6","5","6","3","7","2","1") = "6"
    & skf21("6","6","5","6","3","7","3","1") = "6"
    & skf21("6","6","5","6","3","7","4","1") = "6"
    & skf21("6","6","5","6","3","7","5","1") = "6"
    & skf21("6","6","5","6","3","7","6","1") = "6"
    & skf21("6","6","5","6","3","7","7","1") = "6"
    & skf21("6","6","5","6","4","1","1","1") = "5"
    & skf21("6","6","5","6","4","1","2","1") = "5"
    & skf21("6","6","5","6","4","1","3","1") = "5"
    & skf21("6","6","5","6","4","1","4","1") = "5"
    & skf21("6","6","5","6","4","1","5","1") = "5"
    & skf21("6","6","5","6","4","1","6","1") = "5"
    & skf21("6","6","5","6","4","1","7","1") = "6"
    & skf21("6","6","5","6","4","2","1","1") = "5"
    & skf21("6","6","5","6","4","2","2","1") = "5"
    & skf21("6","6","5","6","4","2","3","1") = "5"
    & skf21("6","6","5","6","4","2","4","1") = "5"
    & skf21("6","6","5","6","4","2","5","1") = "5"
    & skf21("6","6","5","6","4","2","6","1") = "5"
    & skf21("6","6","5","6","4","2","7","1") = "6"
    & skf21("6","6","5","6","4","3","1","1") = "5"
    & skf21("6","6","5","6","4","3","2","1") = "5"
    & skf21("6","6","5","6","4","3","3","1") = "5"
    & skf21("6","6","5","6","4","3","4","1") = "5"
    & skf21("6","6","5","6","4","3","5","1") = "5"
    & skf21("6","6","5","6","4","3","6","1") = "5"
    & skf21("6","6","5","6","4","3","7","1") = "6"
    & skf21("6","6","5","6","4","4","1","1") = "5"
    & skf21("6","6","5","6","4","4","2","1") = "5"
    & skf21("6","6","5","6","4","4","3","1") = "5"
    & skf21("6","6","5","6","4","4","4","1") = "5"
    & skf21("6","6","5","6","4","4","5","1") = "5"
    & skf21("6","6","5","6","4","4","6","1") = "5"
    & skf21("6","6","5","6","4","4","7","1") = "6"
    & skf21("6","6","5","6","4","5","1","1") = "5"
    & skf21("6","6","5","6","4","5","2","1") = "5"
    & skf21("6","6","5","6","4","5","3","1") = "5"
    & skf21("6","6","5","6","4","5","4","1") = "5"
    & skf21("6","6","5","6","4","5","5","1") = "5"
    & skf21("6","6","5","6","4","5","6","1") = "5"
    & skf21("6","6","5","6","4","5","7","1") = "6"
    & skf21("6","6","5","6","4","6","1","1") = "5"
    & skf21("6","6","5","6","4","6","2","1") = "5"
    & skf21("6","6","5","6","4","6","3","1") = "5"
    & skf21("6","6","5","6","4","6","4","1") = "5"
    & skf21("6","6","5","6","4","6","5","1") = "5"
    & skf21("6","6","5","6","4","6","6","1") = "5"
    & skf21("6","6","5","6","4","6","7","1") = "6"
    & skf21("6","6","5","6","4","7","1","1") = "6"
    & skf21("6","6","5","6","4","7","2","1") = "6"
    & skf21("6","6","5","6","4","7","3","1") = "6"
    & skf21("6","6","5","6","4","7","4","1") = "6"
    & skf21("6","6","5","6","4","7","5","1") = "6"
    & skf21("6","6","5","6","4","7","6","1") = "6"
    & skf21("6","6","5","6","4","7","7","1") = "6"
    & skf21("6","6","5","6","5","1","1","1") = "5"
    & skf21("6","6","5","6","5","1","2","1") = "5"
    & skf21("6","6","5","6","5","1","3","1") = "5"
    & skf21("6","6","5","6","5","1","4","1") = "5"
    & skf21("6","6","5","6","5","1","5","1") = "5"
    & skf21("6","6","5","6","5","1","6","1") = "5"
    & skf21("6","6","5","6","5","1","7","1") = "6"
    & skf21("6","6","5","6","5","2","1","1") = "5"
    & skf21("6","6","5","6","5","2","2","1") = "5"
    & skf21("6","6","5","6","5","2","3","1") = "5"
    & skf21("6","6","5","6","5","2","4","1") = "5"
    & skf21("6","6","5","6","5","2","5","1") = "5"
    & skf21("6","6","5","6","5","2","6","1") = "5"
    & skf21("6","6","5","6","5","2","7","1") = "6"
    & skf21("6","6","5","6","5","3","1","1") = "5"
    & skf21("6","6","5","6","5","3","2","1") = "5"
    & skf21("6","6","5","6","5","3","3","1") = "5"
    & skf21("6","6","5","6","5","3","4","1") = "5"
    & skf21("6","6","5","6","5","3","5","1") = "5"
    & skf21("6","6","5","6","5","3","6","1") = "5"
    & skf21("6","6","5","6","5","3","7","1") = "6"
    & skf21("6","6","5","6","5","4","1","1") = "5"
    & skf21("6","6","5","6","5","4","2","1") = "5"
    & skf21("6","6","5","6","5","4","3","1") = "5"
    & skf21("6","6","5","6","5","4","4","1") = "5"
    & skf21("6","6","5","6","5","4","5","1") = "5"
    & skf21("6","6","5","6","5","4","6","1") = "5"
    & skf21("6","6","5","6","5","4","7","1") = "6"
    & skf21("6","6","5","6","5","5","1","1") = "5"
    & skf21("6","6","5","6","5","5","2","1") = "5"
    & skf21("6","6","5","6","5","5","3","1") = "5"
    & skf21("6","6","5","6","5","5","4","1") = "5"
    & skf21("6","6","5","6","5","5","5","1") = "5"
    & skf21("6","6","5","6","5","5","6","1") = "5"
    & skf21("6","6","5","6","5","5","7","1") = "6"
    & skf21("6","6","5","6","5","6","1","1") = "5"
    & skf21("6","6","5","6","5","6","2","1") = "5"
    & skf21("6","6","5","6","5","6","3","1") = "5"
    & skf21("6","6","5","6","5","6","4","1") = "5"
    & skf21("6","6","5","6","5","6","5","1") = "5"
    & skf21("6","6","5","6","5","6","6","1") = "5"
    & skf21("6","6","5","6","5","6","7","1") = "6"
    & skf21("6","6","5","6","5","7","1","1") = "6"
    & skf21("6","6","5","6","5","7","2","1") = "6"
    & skf21("6","6","5","6","5","7","3","1") = "6"
    & skf21("6","6","5","6","5","7","4","1") = "6"
    & skf21("6","6","5","6","5","7","5","1") = "6"
    & skf21("6","6","5","6","5","7","6","1") = "6"
    & skf21("6","6","5","6","5","7","7","1") = "6"
    & skf21("6","6","5","6","6","1","1","1") = "5"
    & skf21("6","6","5","6","6","1","2","1") = "5"
    & skf21("6","6","5","6","6","1","3","1") = "5"
    & skf21("6","6","5","6","6","1","4","1") = "5"
    & skf21("6","6","5","6","6","1","5","1") = "5"
    & skf21("6","6","5","6","6","1","6","1") = "5"
    & skf21("6","6","5","6","6","1","7","1") = "6"
    & skf21("6","6","5","6","6","2","1","1") = "5"
    & skf21("6","6","5","6","6","2","2","1") = "5"
    & skf21("6","6","5","6","6","2","3","1") = "5"
    & skf21("6","6","5","6","6","2","4","1") = "5"
    & skf21("6","6","5","6","6","2","5","1") = "5"
    & skf21("6","6","5","6","6","2","6","1") = "5"
    & skf21("6","6","5","6","6","2","7","1") = "6"
    & skf21("6","6","5","6","6","3","1","1") = "5"
    & skf21("6","6","5","6","6","3","2","1") = "5"
    & skf21("6","6","5","6","6","3","3","1") = "5"
    & skf21("6","6","5","6","6","3","4","1") = "5"
    & skf21("6","6","5","6","6","3","5","1") = "5"
    & skf21("6","6","5","6","6","3","6","1") = "5"
    & skf21("6","6","5","6","6","3","7","1") = "6"
    & skf21("6","6","5","6","6","4","1","1") = "5"
    & skf21("6","6","5","6","6","4","2","1") = "5"
    & skf21("6","6","5","6","6","4","3","1") = "5"
    & skf21("6","6","5","6","6","4","4","1") = "5"
    & skf21("6","6","5","6","6","4","5","1") = "5"
    & skf21("6","6","5","6","6","4","6","1") = "5"
    & skf21("6","6","5","6","6","4","7","1") = "6"
    & skf21("6","6","5","6","6","5","1","1") = "5"
    & skf21("6","6","5","6","6","5","2","1") = "5"
    & skf21("6","6","5","6","6","5","3","1") = "5"
    & skf21("6","6","5","6","6","5","4","1") = "5"
    & skf21("6","6","5","6","6","5","5","1") = "5"
    & skf21("6","6","5","6","6","5","6","1") = "5"
    & skf21("6","6","5","6","6","5","7","1") = "6"
    & skf21("6","6","5","6","6","6","1","1") = "5"
    & skf21("6","6","5","6","6","6","2","1") = "5"
    & skf21("6","6","5","6","6","6","3","1") = "5"
    & skf21("6","6","5","6","6","6","4","1") = "5"
    & skf21("6","6","5","6","6","6","5","1") = "5"
    & skf21("6","6","5","6","6","6","6","1") = "5"
    & skf21("6","6","5","6","6","6","7","1") = "6"
    & skf21("6","6","5","6","6","7","1","1") = "6"
    & skf21("6","6","5","6","6","7","2","1") = "6"
    & skf21("6","6","5","6","6","7","3","1") = "6"
    & skf21("6","6","5","6","6","7","4","1") = "6"
    & skf21("6","6","5","6","6","7","5","1") = "6"
    & skf21("6","6","5","6","6","7","6","1") = "6"
    & skf21("6","6","5","6","6","7","7","1") = "6"
    & skf21("6","6","5","6","7","1","1","1") = "6"
    & skf21("6","6","5","6","7","1","2","1") = "6"
    & skf21("6","6","5","6","7","1","3","1") = "6"
    & skf21("6","6","5","6","7","1","4","1") = "6"
    & skf21("6","6","5","6","7","1","5","1") = "6"
    & skf21("6","6","5","6","7","1","6","1") = "6"
    & skf21("6","6","5","6","7","1","7","1") = "6"
    & skf21("6","6","5","6","7","2","1","1") = "6"
    & skf21("6","6","5","6","7","2","2","1") = "6"
    & skf21("6","6","5","6","7","2","3","1") = "6"
    & skf21("6","6","5","6","7","2","4","1") = "6"
    & skf21("6","6","5","6","7","2","5","1") = "6"
    & skf21("6","6","5","6","7","2","6","1") = "6"
    & skf21("6","6","5","6","7","2","7","1") = "6"
    & skf21("6","6","5","6","7","3","1","1") = "6"
    & skf21("6","6","5","6","7","3","2","1") = "6"
    & skf21("6","6","5","6","7","3","3","1") = "6"
    & skf21("6","6","5","6","7","3","4","1") = "6"
    & skf21("6","6","5","6","7","3","5","1") = "6"
    & skf21("6","6","5","6","7","3","6","1") = "6"
    & skf21("6","6","5","6","7","3","7","1") = "6"
    & skf21("6","6","5","6","7","4","1","1") = "6"
    & skf21("6","6","5","6","7","4","2","1") = "6"
    & skf21("6","6","5","6","7","4","3","1") = "6"
    & skf21("6","6","5","6","7","4","4","1") = "6"
    & skf21("6","6","5","6","7","4","5","1") = "6"
    & skf21("6","6","5","6","7","4","6","1") = "6"
    & skf21("6","6","5","6","7","4","7","1") = "6"
    & skf21("6","6","5","6","7","5","1","1") = "6"
    & skf21("6","6","5","6","7","5","2","1") = "6"
    & skf21("6","6","5","6","7","5","3","1") = "6"
    & skf21("6","6","5","6","7","5","4","1") = "6"
    & skf21("6","6","5","6","7","5","5","1") = "6"
    & skf21("6","6","5","6","7","5","6","1") = "6"
    & skf21("6","6","5","6","7","5","7","1") = "6"
    & skf21("6","6","5","6","7","6","1","1") = "6"
    & skf21("6","6","5","6","7","6","2","1") = "6"
    & skf21("6","6","5","6","7","6","3","1") = "6"
    & skf21("6","6","5","6","7","6","4","1") = "6"
    & skf21("6","6","5","6","7","6","5","1") = "6"
    & skf21("6","6","5","6","7","6","6","1") = "6"
    & skf21("6","6","5","6","7","6","7","1") = "6"
    & skf21("6","6","5","6","7","7","1","1") = "6"
    & skf21("6","6","5","6","7","7","2","1") = "6"
    & skf21("6","6","5","6","7","7","3","1") = "6"
    & skf21("6","6","5","6","7","7","4","1") = "6"
    & skf21("6","6","5","6","7","7","5","1") = "6"
    & skf21("6","6","5","6","7","7","6","1") = "6"
    & skf21("6","6","5","6","7","7","7","1") = "6"
    & skf21("6","6","5","7","1","1","1","1") = "6"
    & skf21("6","6","5","7","1","1","2","1") = "6"
    & skf21("6","6","5","7","1","1","3","1") = "6"
    & skf21("6","6","5","7","1","1","4","1") = "6"
    & skf21("6","6","5","7","1","1","5","1") = "6"
    & skf21("6","6","5","7","1","1","6","1") = "6"
    & skf21("6","6","5","7","1","1","7","1") = "6"
    & skf21("6","6","5","7","1","2","1","1") = "6"
    & skf21("6","6","5","7","1","2","2","1") = "6"
    & skf21("6","6","5","7","1","2","3","1") = "6"
    & skf21("6","6","5","7","1","2","4","1") = "6"
    & skf21("6","6","5","7","1","2","5","1") = "6"
    & skf21("6","6","5","7","1","2","6","1") = "6"
    & skf21("6","6","5","7","1","2","7","1") = "6"
    & skf21("6","6","5","7","1","3","1","1") = "6"
    & skf21("6","6","5","7","1","3","2","1") = "6"
    & skf21("6","6","5","7","1","3","3","1") = "6"
    & skf21("6","6","5","7","1","3","4","1") = "6"
    & skf21("6","6","5","7","1","3","5","1") = "6"
    & skf21("6","6","5","7","1","3","6","1") = "6"
    & skf21("6","6","5","7","1","3","7","1") = "6"
    & skf21("6","6","5","7","1","4","1","1") = "6"
    & skf21("6","6","5","7","1","4","2","1") = "6"
    & skf21("6","6","5","7","1","4","3","1") = "6"
    & skf21("6","6","5","7","1","4","4","1") = "6"
    & skf21("6","6","5","7","1","4","5","1") = "6"
    & skf21("6","6","5","7","1","4","6","1") = "6"
    & skf21("6","6","5","7","1","4","7","1") = "6"
    & skf21("6","6","5","7","1","5","1","1") = "6"
    & skf21("6","6","5","7","1","5","2","1") = "6"
    & skf21("6","6","5","7","1","5","3","1") = "6"
    & skf21("6","6","5","7","1","5","4","1") = "6"
    & skf21("6","6","5","7","1","5","5","1") = "6"
    & skf21("6","6","5","7","1","5","6","1") = "6"
    & skf21("6","6","5","7","1","5","7","1") = "6"
    & skf21("6","6","5","7","1","6","1","1") = "6"
    & skf21("6","6","5","7","1","6","2","1") = "6"
    & skf21("6","6","5","7","1","6","3","1") = "6"
    & skf21("6","6","5","7","1","6","4","1") = "6"
    & skf21("6","6","5","7","1","6","5","1") = "6"
    & skf21("6","6","5","7","1","6","6","1") = "6"
    & skf21("6","6","5","7","1","6","7","1") = "6"
    & skf21("6","6","5","7","1","7","1","1") = "6"
    & skf21("6","6","5","7","1","7","2","1") = "6"
    & skf21("6","6","5","7","1","7","3","1") = "6"
    & skf21("6","6","5","7","1","7","4","1") = "6"
    & skf21("6","6","5","7","1","7","5","1") = "6"
    & skf21("6","6","5","7","1","7","6","1") = "6"
    & skf21("6","6","5","7","1","7","7","1") = "6"
    & skf21("6","6","5","7","2","1","1","1") = "6"
    & skf21("6","6","5","7","2","1","2","1") = "6"
    & skf21("6","6","5","7","2","1","3","1") = "6"
    & skf21("6","6","5","7","2","1","4","1") = "6"
    & skf21("6","6","5","7","2","1","5","1") = "6"
    & skf21("6","6","5","7","2","1","6","1") = "6"
    & skf21("6","6","5","7","2","1","7","1") = "6"
    & skf21("6","6","5","7","2","2","1","1") = "6"
    & skf21("6","6","5","7","2","2","2","1") = "6"
    & skf21("6","6","5","7","2","2","3","1") = "6"
    & skf21("6","6","5","7","2","2","4","1") = "6"
    & skf21("6","6","5","7","2","2","5","1") = "6"
    & skf21("6","6","5","7","2","2","6","1") = "6"
    & skf21("6","6","5","7","2","2","7","1") = "6"
    & skf21("6","6","5","7","2","3","1","1") = "6"
    & skf21("6","6","5","7","2","3","2","1") = "6"
    & skf21("6","6","5","7","2","3","3","1") = "6"
    & skf21("6","6","5","7","2","3","4","1") = "6"
    & skf21("6","6","5","7","2","3","5","1") = "6"
    & skf21("6","6","5","7","2","3","6","1") = "6"
    & skf21("6","6","5","7","2","3","7","1") = "6"
    & skf21("6","6","5","7","2","4","1","1") = "6"
    & skf21("6","6","5","7","2","4","2","1") = "6"
    & skf21("6","6","5","7","2","4","3","1") = "6"
    & skf21("6","6","5","7","2","4","4","1") = "6"
    & skf21("6","6","5","7","2","4","5","1") = "6"
    & skf21("6","6","5","7","2","4","6","1") = "6"
    & skf21("6","6","5","7","2","4","7","1") = "6"
    & skf21("6","6","5","7","2","5","1","1") = "6"
    & skf21("6","6","5","7","2","5","2","1") = "6"
    & skf21("6","6","5","7","2","5","3","1") = "6"
    & skf21("6","6","5","7","2","5","4","1") = "6"
    & skf21("6","6","5","7","2","5","5","1") = "6"
    & skf21("6","6","5","7","2","5","6","1") = "6"
    & skf21("6","6","5","7","2","5","7","1") = "6"
    & skf21("6","6","5","7","2","6","1","1") = "6"
    & skf21("6","6","5","7","2","6","2","1") = "6"
    & skf21("6","6","5","7","2","6","3","1") = "6"
    & skf21("6","6","5","7","2","6","4","1") = "6"
    & skf21("6","6","5","7","2","6","5","1") = "6"
    & skf21("6","6","5","7","2","6","6","1") = "6"
    & skf21("6","6","5","7","2","6","7","1") = "6"
    & skf21("6","6","5","7","2","7","1","1") = "6"
    & skf21("6","6","5","7","2","7","2","1") = "6"
    & skf21("6","6","5","7","2","7","3","1") = "6"
    & skf21("6","6","5","7","2","7","4","1") = "6"
    & skf21("6","6","5","7","2","7","5","1") = "6"
    & skf21("6","6","5","7","2","7","6","1") = "6"
    & skf21("6","6","5","7","2","7","7","1") = "6"
    & skf21("6","6","5","7","3","1","1","1") = "6"
    & skf21("6","6","5","7","3","1","2","1") = "6"
    & skf21("6","6","5","7","3","1","3","1") = "6"
    & skf21("6","6","5","7","3","1","4","1") = "6"
    & skf21("6","6","5","7","3","1","5","1") = "6"
    & skf21("6","6","5","7","3","1","6","1") = "6"
    & skf21("6","6","5","7","3","1","7","1") = "6"
    & skf21("6","6","5","7","3","2","1","1") = "6"
    & skf21("6","6","5","7","3","2","2","1") = "6"
    & skf21("6","6","5","7","3","2","3","1") = "6"
    & skf21("6","6","5","7","3","2","4","1") = "6"
    & skf21("6","6","5","7","3","2","5","1") = "6"
    & skf21("6","6","5","7","3","2","6","1") = "6"
    & skf21("6","6","5","7","3","2","7","1") = "6"
    & skf21("6","6","5","7","3","3","1","1") = "6"
    & skf21("6","6","5","7","3","3","2","1") = "6"
    & skf21("6","6","5","7","3","3","3","1") = "6"
    & skf21("6","6","5","7","3","3","4","1") = "6"
    & skf21("6","6","5","7","3","3","5","1") = "6"
    & skf21("6","6","5","7","3","3","6","1") = "6"
    & skf21("6","6","5","7","3","3","7","1") = "6"
    & skf21("6","6","5","7","3","4","1","1") = "6"
    & skf21("6","6","5","7","3","4","2","1") = "6"
    & skf21("6","6","5","7","3","4","3","1") = "6"
    & skf21("6","6","5","7","3","4","4","1") = "6"
    & skf21("6","6","5","7","3","4","5","1") = "6"
    & skf21("6","6","5","7","3","4","6","1") = "6"
    & skf21("6","6","5","7","3","4","7","1") = "6"
    & skf21("6","6","5","7","3","5","1","1") = "6"
    & skf21("6","6","5","7","3","5","2","1") = "6"
    & skf21("6","6","5","7","3","5","3","1") = "6"
    & skf21("6","6","5","7","3","5","4","1") = "6"
    & skf21("6","6","5","7","3","5","5","1") = "6"
    & skf21("6","6","5","7","3","5","6","1") = "6"
    & skf21("6","6","5","7","3","5","7","1") = "6"
    & skf21("6","6","5","7","3","6","1","1") = "6"
    & skf21("6","6","5","7","3","6","2","1") = "6"
    & skf21("6","6","5","7","3","6","3","1") = "6"
    & skf21("6","6","5","7","3","6","4","1") = "6"
    & skf21("6","6","5","7","3","6","5","1") = "6"
    & skf21("6","6","5","7","3","6","6","1") = "6"
    & skf21("6","6","5","7","3","6","7","1") = "6"
    & skf21("6","6","5","7","3","7","1","1") = "6"
    & skf21("6","6","5","7","3","7","2","1") = "6"
    & skf21("6","6","5","7","3","7","3","1") = "6"
    & skf21("6","6","5","7","3","7","4","1") = "6"
    & skf21("6","6","5","7","3","7","5","1") = "6"
    & skf21("6","6","5","7","3","7","6","1") = "6"
    & skf21("6","6","5","7","3","7","7","1") = "6"
    & skf21("6","6","5","7","4","1","1","1") = "6"
    & skf21("6","6","5","7","4","1","2","1") = "6"
    & skf21("6","6","5","7","4","1","3","1") = "6"
    & skf21("6","6","5","7","4","1","4","1") = "6"
    & skf21("6","6","5","7","4","1","5","1") = "6"
    & skf21("6","6","5","7","4","1","6","1") = "6"
    & skf21("6","6","5","7","4","1","7","1") = "6"
    & skf21("6","6","5","7","4","2","1","1") = "6"
    & skf21("6","6","5","7","4","2","2","1") = "6"
    & skf21("6","6","5","7","4","2","3","1") = "6"
    & skf21("6","6","5","7","4","2","4","1") = "6"
    & skf21("6","6","5","7","4","2","5","1") = "6"
    & skf21("6","6","5","7","4","2","6","1") = "6"
    & skf21("6","6","5","7","4","2","7","1") = "6"
    & skf21("6","6","5","7","4","3","1","1") = "6"
    & skf21("6","6","5","7","4","3","2","1") = "6"
    & skf21("6","6","5","7","4","3","3","1") = "6"
    & skf21("6","6","5","7","4","3","4","1") = "6"
    & skf21("6","6","5","7","4","3","5","1") = "6"
    & skf21("6","6","5","7","4","3","6","1") = "6"
    & skf21("6","6","5","7","4","3","7","1") = "6"
    & skf21("6","6","5","7","4","4","1","1") = "6"
    & skf21("6","6","5","7","4","4","2","1") = "6"
    & skf21("6","6","5","7","4","4","3","1") = "6"
    & skf21("6","6","5","7","4","4","4","1") = "6"
    & skf21("6","6","5","7","4","4","5","1") = "6"
    & skf21("6","6","5","7","4","4","6","1") = "6"
    & skf21("6","6","5","7","4","4","7","1") = "6"
    & skf21("6","6","5","7","4","5","1","1") = "6"
    & skf21("6","6","5","7","4","5","2","1") = "6"
    & skf21("6","6","5","7","4","5","3","1") = "6"
    & skf21("6","6","5","7","4","5","4","1") = "6"
    & skf21("6","6","5","7","4","5","5","1") = "6"
    & skf21("6","6","5","7","4","5","6","1") = "6"
    & skf21("6","6","5","7","4","5","7","1") = "6"
    & skf21("6","6","5","7","4","6","1","1") = "6"
    & skf21("6","6","5","7","4","6","2","1") = "6"
    & skf21("6","6","5","7","4","6","3","1") = "6"
    & skf21("6","6","5","7","4","6","4","1") = "6"
    & skf21("6","6","5","7","4","6","5","1") = "6"
    & skf21("6","6","5","7","4","6","6","1") = "6"
    & skf21("6","6","5","7","4","6","7","1") = "6"
    & skf21("6","6","5","7","4","7","1","1") = "6"
    & skf21("6","6","5","7","4","7","2","1") = "6"
    & skf21("6","6","5","7","4","7","3","1") = "6"
    & skf21("6","6","5","7","4","7","4","1") = "6"
    & skf21("6","6","5","7","4","7","5","1") = "6"
    & skf21("6","6","5","7","4","7","6","1") = "6"
    & skf21("6","6","5","7","4","7","7","1") = "6"
    & skf21("6","6","5","7","5","1","1","1") = "6"
    & skf21("6","6","5","7","5","1","2","1") = "6"
    & skf21("6","6","5","7","5","1","3","1") = "6"
    & skf21("6","6","5","7","5","1","4","1") = "6"
    & skf21("6","6","5","7","5","1","5","1") = "6"
    & skf21("6","6","5","7","5","1","6","1") = "6"
    & skf21("6","6","5","7","5","1","7","1") = "6"
    & skf21("6","6","5","7","5","2","1","1") = "6"
    & skf21("6","6","5","7","5","2","2","1") = "6"
    & skf21("6","6","5","7","5","2","3","1") = "6"
    & skf21("6","6","5","7","5","2","4","1") = "6"
    & skf21("6","6","5","7","5","2","5","1") = "6"
    & skf21("6","6","5","7","5","2","6","1") = "6"
    & skf21("6","6","5","7","5","2","7","1") = "6"
    & skf21("6","6","5","7","5","3","1","1") = "6"
    & skf21("6","6","5","7","5","3","2","1") = "6"
    & skf21("6","6","5","7","5","3","3","1") = "6"
    & skf21("6","6","5","7","5","3","4","1") = "6"
    & skf21("6","6","5","7","5","3","5","1") = "6"
    & skf21("6","6","5","7","5","3","6","1") = "6"
    & skf21("6","6","5","7","5","3","7","1") = "6"
    & skf21("6","6","5","7","5","4","1","1") = "6"
    & skf21("6","6","5","7","5","4","2","1") = "6"
    & skf21("6","6","5","7","5","4","3","1") = "6"
    & skf21("6","6","5","7","5","4","4","1") = "6"
    & skf21("6","6","5","7","5","4","5","1") = "6"
    & skf21("6","6","5","7","5","4","6","1") = "6"
    & skf21("6","6","5","7","5","4","7","1") = "6"
    & skf21("6","6","5","7","5","5","1","1") = "6"
    & skf21("6","6","5","7","5","5","2","1") = "6"
    & skf21("6","6","5","7","5","5","3","1") = "6"
    & skf21("6","6","5","7","5","5","4","1") = "6"
    & skf21("6","6","5","7","5","5","5","1") = "6"
    & skf21("6","6","5","7","5","5","6","1") = "6"
    & skf21("6","6","5","7","5","5","7","1") = "6"
    & skf21("6","6","5","7","5","6","1","1") = "6"
    & skf21("6","6","5","7","5","6","2","1") = "6"
    & skf21("6","6","5","7","5","6","3","1") = "6"
    & skf21("6","6","5","7","5","6","4","1") = "6"
    & skf21("6","6","5","7","5","6","5","1") = "6"
    & skf21("6","6","5","7","5","6","6","1") = "6"
    & skf21("6","6","5","7","5","6","7","1") = "6"
    & skf21("6","6","5","7","5","7","1","1") = "6"
    & skf21("6","6","5","7","5","7","2","1") = "6"
    & skf21("6","6","5","7","5","7","3","1") = "6"
    & skf21("6","6","5","7","5","7","4","1") = "6"
    & skf21("6","6","5","7","5","7","5","1") = "6"
    & skf21("6","6","5","7","5","7","6","1") = "6"
    & skf21("6","6","5","7","5","7","7","1") = "6"
    & skf21("6","6","5","7","6","1","1","1") = "6"
    & skf21("6","6","5","7","6","1","2","1") = "6"
    & skf21("6","6","5","7","6","1","3","1") = "6"
    & skf21("6","6","5","7","6","1","4","1") = "6"
    & skf21("6","6","5","7","6","1","5","1") = "6"
    & skf21("6","6","5","7","6","1","6","1") = "6"
    & skf21("6","6","5","7","6","1","7","1") = "6"
    & skf21("6","6","5","7","6","2","1","1") = "6"
    & skf21("6","6","5","7","6","2","2","1") = "6"
    & skf21("6","6","5","7","6","2","3","1") = "6"
    & skf21("6","6","5","7","6","2","4","1") = "6"
    & skf21("6","6","5","7","6","2","5","1") = "6"
    & skf21("6","6","5","7","6","2","6","1") = "6"
    & skf21("6","6","5","7","6","2","7","1") = "6"
    & skf21("6","6","5","7","6","3","1","1") = "6"
    & skf21("6","6","5","7","6","3","2","1") = "6"
    & skf21("6","6","5","7","6","3","3","1") = "6"
    & skf21("6","6","5","7","6","3","4","1") = "6"
    & skf21("6","6","5","7","6","3","5","1") = "6"
    & skf21("6","6","5","7","6","3","6","1") = "6"
    & skf21("6","6","5","7","6","3","7","1") = "6"
    & skf21("6","6","5","7","6","4","1","1") = "6"
    & skf21("6","6","5","7","6","4","2","1") = "6"
    & skf21("6","6","5","7","6","4","3","1") = "6"
    & skf21("6","6","5","7","6","4","4","1") = "6"
    & skf21("6","6","5","7","6","4","5","1") = "6"
    & skf21("6","6","5","7","6","4","6","1") = "6"
    & skf21("6","6","5","7","6","4","7","1") = "6"
    & skf21("6","6","5","7","6","5","1","1") = "6"
    & skf21("6","6","5","7","6","5","2","1") = "6"
    & skf21("6","6","5","7","6","5","3","1") = "6"
    & skf21("6","6","5","7","6","5","4","1") = "6"
    & skf21("6","6","5","7","6","5","5","1") = "6"
    & skf21("6","6","5","7","6","5","6","1") = "6"
    & skf21("6","6","5","7","6","5","7","1") = "6"
    & skf21("6","6","5","7","6","6","1","1") = "6"
    & skf21("6","6","5","7","6","6","2","1") = "6"
    & skf21("6","6","5","7","6","6","3","1") = "6"
    & skf21("6","6","5","7","6","6","4","1") = "6"
    & skf21("6","6","5","7","6","6","5","1") = "6"
    & skf21("6","6","5","7","6","6","6","1") = "6"
    & skf21("6","6","5","7","6","6","7","1") = "6"
    & skf21("6","6","5","7","6","7","1","1") = "6"
    & skf21("6","6","5","7","6","7","2","1") = "6"
    & skf21("6","6","5","7","6","7","3","1") = "6"
    & skf21("6","6","5","7","6","7","4","1") = "6"
    & skf21("6","6","5","7","6","7","5","1") = "6"
    & skf21("6","6","5","7","6","7","6","1") = "6"
    & skf21("6","6","5","7","6","7","7","1") = "6"
    & skf21("6","6","5","7","7","1","1","1") = "6"
    & skf21("6","6","5","7","7","1","2","1") = "6"
    & skf21("6","6","5","7","7","1","3","1") = "6"
    & skf21("6","6","5","7","7","1","4","1") = "6"
    & skf21("6","6","5","7","7","1","5","1") = "6"
    & skf21("6","6","5","7","7","1","6","1") = "6"
    & skf21("6","6","5","7","7","1","7","1") = "6"
    & skf21("6","6","5","7","7","2","1","1") = "6"
    & skf21("6","6","5","7","7","2","2","1") = "6"
    & skf21("6","6","5","7","7","2","3","1") = "6"
    & skf21("6","6","5","7","7","2","4","1") = "6"
    & skf21("6","6","5","7","7","2","5","1") = "6"
    & skf21("6","6","5","7","7","2","6","1") = "6"
    & skf21("6","6","5","7","7","2","7","1") = "6"
    & skf21("6","6","5","7","7","3","1","1") = "6"
    & skf21("6","6","5","7","7","3","2","1") = "6"
    & skf21("6","6","5","7","7","3","3","1") = "6"
    & skf21("6","6","5","7","7","3","4","1") = "6"
    & skf21("6","6","5","7","7","3","5","1") = "6"
    & skf21("6","6","5","7","7","3","6","1") = "6"
    & skf21("6","6","5","7","7","3","7","1") = "6"
    & skf21("6","6","5","7","7","4","1","1") = "6"
    & skf21("6","6","5","7","7","4","2","1") = "6"
    & skf21("6","6","5","7","7","4","3","1") = "6"
    & skf21("6","6","5","7","7","4","4","1") = "6"
    & skf21("6","6","5","7","7","4","5","1") = "6"
    & skf21("6","6","5","7","7","4","6","1") = "6"
    & skf21("6","6","5","7","7","4","7","1") = "6"
    & skf21("6","6","5","7","7","5","1","1") = "6"
    & skf21("6","6","5","7","7","5","2","1") = "6"
    & skf21("6","6","5","7","7","5","3","1") = "6"
    & skf21("6","6","5","7","7","5","4","1") = "6"
    & skf21("6","6","5","7","7","5","5","1") = "6"
    & skf21("6","6","5","7","7","5","6","1") = "6"
    & skf21("6","6","5","7","7","5","7","1") = "6"
    & skf21("6","6","5","7","7","6","1","1") = "6"
    & skf21("6","6","5","7","7","6","2","1") = "6"
    & skf21("6","6","5","7","7","6","3","1") = "6"
    & skf21("6","6","5","7","7","6","4","1") = "6"
    & skf21("6","6","5","7","7","6","5","1") = "6"
    & skf21("6","6","5","7","7","6","6","1") = "6"
    & skf21("6","6","5","7","7","6","7","1") = "6"
    & skf21("6","6","5","7","7","7","1","1") = "6"
    & skf21("6","6","5","7","7","7","2","1") = "6"
    & skf21("6","6","5","7","7","7","3","1") = "6"
    & skf21("6","6","5","7","7","7","4","1") = "6"
    & skf21("6","6","5","7","7","7","5","1") = "6"
    & skf21("6","6","5","7","7","7","6","1") = "6"
    & skf21("6","6","5","7","7","7","7","1") = "6"
    & skf21("6","6","6","1","1","1","1","1") = "5"
    & skf21("6","6","6","1","1","1","2","1") = "5"
    & skf21("6","6","6","1","1","1","3","1") = "5"
    & skf21("6","6","6","1","1","1","4","1") = "5"
    & skf21("6","6","6","1","1","1","5","1") = "5"
    & skf21("6","6","6","1","1","1","6","1") = "5"
    & skf21("6","6","6","1","1","1","7","1") = "6"
    & skf21("6","6","6","1","1","2","1","1") = "5"
    & skf21("6","6","6","1","1","2","2","1") = "5"
    & skf21("6","6","6","1","1","2","3","1") = "5"
    & skf21("6","6","6","1","1","2","4","1") = "5"
    & skf21("6","6","6","1","1","2","5","1") = "5"
    & skf21("6","6","6","1","1","2","6","1") = "5"
    & skf21("6","6","6","1","1","2","7","1") = "6"
    & skf21("6","6","6","1","1","3","1","1") = "5"
    & skf21("6","6","6","1","1","3","2","1") = "5"
    & skf21("6","6","6","1","1","3","3","1") = "5"
    & skf21("6","6","6","1","1","3","4","1") = "5"
    & skf21("6","6","6","1","1","3","5","1") = "5"
    & skf21("6","6","6","1","1","3","6","1") = "5"
    & skf21("6","6","6","1","1","3","7","1") = "6"
    & skf21("6","6","6","1","1","4","1","1") = "5"
    & skf21("6","6","6","1","1","4","2","1") = "5"
    & skf21("6","6","6","1","1","4","3","1") = "5"
    & skf21("6","6","6","1","1","4","4","1") = "5"
    & skf21("6","6","6","1","1","4","5","1") = "5"
    & skf21("6","6","6","1","1","4","6","1") = "5"
    & skf21("6","6","6","1","1","4","7","1") = "6"
    & skf21("6","6","6","1","1","5","1","1") = "5"
    & skf21("6","6","6","1","1","5","2","1") = "5"
    & skf21("6","6","6","1","1","5","3","1") = "5"
    & skf21("6","6","6","1","1","5","4","1") = "5"
    & skf21("6","6","6","1","1","5","5","1") = "5"
    & skf21("6","6","6","1","1","5","6","1") = "5"
    & skf21("6","6","6","1","1","5","7","1") = "6"
    & skf21("6","6","6","1","1","6","1","1") = "5"
    & skf21("6","6","6","1","1","6","2","1") = "5"
    & skf21("6","6","6","1","1","6","3","1") = "5"
    & skf21("6","6","6","1","1","6","4","1") = "5"
    & skf21("6","6","6","1","1","6","5","1") = "5"
    & skf21("6","6","6","1","1","6","6","1") = "5"
    & skf21("6","6","6","1","1","6","7","1") = "6"
    & skf21("6","6","6","1","1","7","1","1") = "6"
    & skf21("6","6","6","1","1","7","2","1") = "6"
    & skf21("6","6","6","1","1","7","3","1") = "6"
    & skf21("6","6","6","1","1","7","4","1") = "6"
    & skf21("6","6","6","1","1","7","5","1") = "6"
    & skf21("6","6","6","1","1","7","6","1") = "6"
    & skf21("6","6","6","1","1","7","7","1") = "6"
    & skf21("6","6","6","1","2","1","1","1") = "5"
    & skf21("6","6","6","1","2","1","2","1") = "5"
    & skf21("6","6","6","1","2","1","3","1") = "5"
    & skf21("6","6","6","1","2","1","4","1") = "5"
    & skf21("6","6","6","1","2","1","5","1") = "5"
    & skf21("6","6","6","1","2","1","6","1") = "5"
    & skf21("6","6","6","1","2","1","7","1") = "6"
    & skf21("6","6","6","1","2","2","1","1") = "5"
    & skf21("6","6","6","1","2","2","2","1") = "5"
    & skf21("6","6","6","1","2","2","3","1") = "5"
    & skf21("6","6","6","1","2","2","4","1") = "5"
    & skf21("6","6","6","1","2","2","5","1") = "5"
    & skf21("6","6","6","1","2","2","6","1") = "5"
    & skf21("6","6","6","1","2","2","7","1") = "6"
    & skf21("6","6","6","1","2","3","1","1") = "5"
    & skf21("6","6","6","1","2","3","2","1") = "5"
    & skf21("6","6","6","1","2","3","3","1") = "5"
    & skf21("6","6","6","1","2","3","4","1") = "5"
    & skf21("6","6","6","1","2","3","5","1") = "5"
    & skf21("6","6","6","1","2","3","6","1") = "5"
    & skf21("6","6","6","1","2","3","7","1") = "6"
    & skf21("6","6","6","1","2","4","1","1") = "5"
    & skf21("6","6","6","1","2","4","2","1") = "5"
    & skf21("6","6","6","1","2","4","3","1") = "5"
    & skf21("6","6","6","1","2","4","4","1") = "5"
    & skf21("6","6","6","1","2","4","5","1") = "5"
    & skf21("6","6","6","1","2","4","6","1") = "5"
    & skf21("6","6","6","1","2","4","7","1") = "6"
    & skf21("6","6","6","1","2","5","1","1") = "5"
    & skf21("6","6","6","1","2","5","2","1") = "5"
    & skf21("6","6","6","1","2","5","3","1") = "5"
    & skf21("6","6","6","1","2","5","4","1") = "5"
    & skf21("6","6","6","1","2","5","5","1") = "5"
    & skf21("6","6","6","1","2","5","6","1") = "5"
    & skf21("6","6","6","1","2","5","7","1") = "6"
    & skf21("6","6","6","1","2","6","1","1") = "5"
    & skf21("6","6","6","1","2","6","2","1") = "5"
    & skf21("6","6","6","1","2","6","3","1") = "5"
    & skf21("6","6","6","1","2","6","4","1") = "5"
    & skf21("6","6","6","1","2","6","5","1") = "5"
    & skf21("6","6","6","1","2","6","6","1") = "5"
    & skf21("6","6","6","1","2","6","7","1") = "6"
    & skf21("6","6","6","1","2","7","1","1") = "6"
    & skf21("6","6","6","1","2","7","2","1") = "6"
    & skf21("6","6","6","1","2","7","3","1") = "6"
    & skf21("6","6","6","1","2","7","4","1") = "6"
    & skf21("6","6","6","1","2","7","5","1") = "6"
    & skf21("6","6","6","1","2","7","6","1") = "6"
    & skf21("6","6","6","1","2","7","7","1") = "6"
    & skf21("6","6","6","1","3","1","1","1") = "5"
    & skf21("6","6","6","1","3","1","2","1") = "5"
    & skf21("6","6","6","1","3","1","3","1") = "5"
    & skf21("6","6","6","1","3","1","4","1") = "5"
    & skf21("6","6","6","1","3","1","5","1") = "5"
    & skf21("6","6","6","1","3","1","6","1") = "5"
    & skf21("6","6","6","1","3","1","7","1") = "6"
    & skf21("6","6","6","1","3","2","1","1") = "5"
    & skf21("6","6","6","1","3","2","2","1") = "5"
    & skf21("6","6","6","1","3","2","3","1") = "5"
    & skf21("6","6","6","1","3","2","4","1") = "5"
    & skf21("6","6","6","1","3","2","5","1") = "5"
    & skf21("6","6","6","1","3","2","6","1") = "5"
    & skf21("6","6","6","1","3","2","7","1") = "6"
    & skf21("6","6","6","1","3","3","1","1") = "5"
    & skf21("6","6","6","1","3","3","2","1") = "5"
    & skf21("6","6","6","1","3","3","3","1") = "5"
    & skf21("6","6","6","1","3","3","4","1") = "5"
    & skf21("6","6","6","1","3","3","5","1") = "5"
    & skf21("6","6","6","1","3","3","6","1") = "5"
    & skf21("6","6","6","1","3","3","7","1") = "6"
    & skf21("6","6","6","1","3","4","1","1") = "5"
    & skf21("6","6","6","1","3","4","2","1") = "5"
    & skf21("6","6","6","1","3","4","3","1") = "5"
    & skf21("6","6","6","1","3","4","4","1") = "5"
    & skf21("6","6","6","1","3","4","5","1") = "5"
    & skf21("6","6","6","1","3","4","6","1") = "5"
    & skf21("6","6","6","1","3","4","7","1") = "6"
    & skf21("6","6","6","1","3","5","1","1") = "5"
    & skf21("6","6","6","1","3","5","2","1") = "5"
    & skf21("6","6","6","1","3","5","3","1") = "5"
    & skf21("6","6","6","1","3","5","4","1") = "5"
    & skf21("6","6","6","1","3","5","5","1") = "5"
    & skf21("6","6","6","1","3","5","6","1") = "5"
    & skf21("6","6","6","1","3","5","7","1") = "6"
    & skf21("6","6","6","1","3","6","1","1") = "5"
    & skf21("6","6","6","1","3","6","2","1") = "5"
    & skf21("6","6","6","1","3","6","3","1") = "5"
    & skf21("6","6","6","1","3","6","4","1") = "5"
    & skf21("6","6","6","1","3","6","5","1") = "5"
    & skf21("6","6","6","1","3","6","6","1") = "5"
    & skf21("6","6","6","1","3","6","7","1") = "6"
    & skf21("6","6","6","1","3","7","1","1") = "6"
    & skf21("6","6","6","1","3","7","2","1") = "6"
    & skf21("6","6","6","1","3","7","3","1") = "6"
    & skf21("6","6","6","1","3","7","4","1") = "6"
    & skf21("6","6","6","1","3","7","5","1") = "6"
    & skf21("6","6","6","1","3","7","6","1") = "6"
    & skf21("6","6","6","1","3","7","7","1") = "6"
    & skf21("6","6","6","1","4","1","1","1") = "5"
    & skf21("6","6","6","1","4","1","2","1") = "5"
    & skf21("6","6","6","1","4","1","3","1") = "5"
    & skf21("6","6","6","1","4","1","4","1") = "5"
    & skf21("6","6","6","1","4","1","5","1") = "5"
    & skf21("6","6","6","1","4","1","6","1") = "5"
    & skf21("6","6","6","1","4","1","7","1") = "6"
    & skf21("6","6","6","1","4","2","1","1") = "5"
    & skf21("6","6","6","1","4","2","2","1") = "5"
    & skf21("6","6","6","1","4","2","3","1") = "5"
    & skf21("6","6","6","1","4","2","4","1") = "5"
    & skf21("6","6","6","1","4","2","5","1") = "5"
    & skf21("6","6","6","1","4","2","6","1") = "5"
    & skf21("6","6","6","1","4","2","7","1") = "6"
    & skf21("6","6","6","1","4","3","1","1") = "5"
    & skf21("6","6","6","1","4","3","2","1") = "5"
    & skf21("6","6","6","1","4","3","3","1") = "5"
    & skf21("6","6","6","1","4","3","4","1") = "5"
    & skf21("6","6","6","1","4","3","5","1") = "5"
    & skf21("6","6","6","1","4","3","6","1") = "5"
    & skf21("6","6","6","1","4","3","7","1") = "6"
    & skf21("6","6","6","1","4","4","1","1") = "5"
    & skf21("6","6","6","1","4","4","2","1") = "5"
    & skf21("6","6","6","1","4","4","3","1") = "5"
    & skf21("6","6","6","1","4","4","4","1") = "5"
    & skf21("6","6","6","1","4","4","5","1") = "5"
    & skf21("6","6","6","1","4","4","6","1") = "5"
    & skf21("6","6","6","1","4","4","7","1") = "6"
    & skf21("6","6","6","1","4","5","1","1") = "5"
    & skf21("6","6","6","1","4","5","2","1") = "5"
    & skf21("6","6","6","1","4","5","3","1") = "5"
    & skf21("6","6","6","1","4","5","4","1") = "5"
    & skf21("6","6","6","1","4","5","5","1") = "5"
    & skf21("6","6","6","1","4","5","6","1") = "5"
    & skf21("6","6","6","1","4","5","7","1") = "6"
    & skf21("6","6","6","1","4","6","1","1") = "5"
    & skf21("6","6","6","1","4","6","2","1") = "5"
    & skf21("6","6","6","1","4","6","3","1") = "5"
    & skf21("6","6","6","1","4","6","4","1") = "5"
    & skf21("6","6","6","1","4","6","5","1") = "5"
    & skf21("6","6","6","1","4","6","6","1") = "5"
    & skf21("6","6","6","1","4","6","7","1") = "6"
    & skf21("6","6","6","1","4","7","1","1") = "6"
    & skf21("6","6","6","1","4","7","2","1") = "6"
    & skf21("6","6","6","1","4","7","3","1") = "6"
    & skf21("6","6","6","1","4","7","4","1") = "6"
    & skf21("6","6","6","1","4","7","5","1") = "6"
    & skf21("6","6","6","1","4","7","6","1") = "6"
    & skf21("6","6","6","1","4","7","7","1") = "6"
    & skf21("6","6","6","1","5","1","1","1") = "5"
    & skf21("6","6","6","1","5","1","2","1") = "5"
    & skf21("6","6","6","1","5","1","3","1") = "5"
    & skf21("6","6","6","1","5","1","4","1") = "5"
    & skf21("6","6","6","1","5","1","5","1") = "5"
    & skf21("6","6","6","1","5","1","6","1") = "5"
    & skf21("6","6","6","1","5","1","7","1") = "6"
    & skf21("6","6","6","1","5","2","1","1") = "5"
    & skf21("6","6","6","1","5","2","2","1") = "5"
    & skf21("6","6","6","1","5","2","3","1") = "5"
    & skf21("6","6","6","1","5","2","4","1") = "5"
    & skf21("6","6","6","1","5","2","5","1") = "5"
    & skf21("6","6","6","1","5","2","6","1") = "5"
    & skf21("6","6","6","1","5","2","7","1") = "6"
    & skf21("6","6","6","1","5","3","1","1") = "5"
    & skf21("6","6","6","1","5","3","2","1") = "5"
    & skf21("6","6","6","1","5","3","3","1") = "5"
    & skf21("6","6","6","1","5","3","4","1") = "5"
    & skf21("6","6","6","1","5","3","5","1") = "5"
    & skf21("6","6","6","1","5","3","6","1") = "5"
    & skf21("6","6","6","1","5","3","7","1") = "6"
    & skf21("6","6","6","1","5","4","1","1") = "5"
    & skf21("6","6","6","1","5","4","2","1") = "5"
    & skf21("6","6","6","1","5","4","3","1") = "5"
    & skf21("6","6","6","1","5","4","4","1") = "5"
    & skf21("6","6","6","1","5","4","5","1") = "5"
    & skf21("6","6","6","1","5","4","6","1") = "5"
    & skf21("6","6","6","1","5","4","7","1") = "6"
    & skf21("6","6","6","1","5","5","1","1") = "5"
    & skf21("6","6","6","1","5","5","2","1") = "5"
    & skf21("6","6","6","1","5","5","3","1") = "5"
    & skf21("6","6","6","1","5","5","4","1") = "5"
    & skf21("6","6","6","1","5","5","5","1") = "5"
    & skf21("6","6","6","1","5","5","6","1") = "5"
    & skf21("6","6","6","1","5","5","7","1") = "6"
    & skf21("6","6","6","1","5","6","1","1") = "5"
    & skf21("6","6","6","1","5","6","2","1") = "5"
    & skf21("6","6","6","1","5","6","3","1") = "5"
    & skf21("6","6","6","1","5","6","4","1") = "5"
    & skf21("6","6","6","1","5","6","5","1") = "5"
    & skf21("6","6","6","1","5","6","6","1") = "5"
    & skf21("6","6","6","1","5","6","7","1") = "6"
    & skf21("6","6","6","1","5","7","1","1") = "6"
    & skf21("6","6","6","1","5","7","2","1") = "6"
    & skf21("6","6","6","1","5","7","3","1") = "6"
    & skf21("6","6","6","1","5","7","4","1") = "6"
    & skf21("6","6","6","1","5","7","5","1") = "6"
    & skf21("6","6","6","1","5","7","6","1") = "6"
    & skf21("6","6","6","1","5","7","7","1") = "6"
    & skf21("6","6","6","1","6","1","1","1") = "5"
    & skf21("6","6","6","1","6","1","2","1") = "5"
    & skf21("6","6","6","1","6","1","3","1") = "5"
    & skf21("6","6","6","1","6","1","4","1") = "5"
    & skf21("6","6","6","1","6","1","5","1") = "5"
    & skf21("6","6","6","1","6","1","6","1") = "5"
    & skf21("6","6","6","1","6","1","7","1") = "6"
    & skf21("6","6","6","1","6","2","1","1") = "5"
    & skf21("6","6","6","1","6","2","2","1") = "5"
    & skf21("6","6","6","1","6","2","3","1") = "5"
    & skf21("6","6","6","1","6","2","4","1") = "5"
    & skf21("6","6","6","1","6","2","5","1") = "5"
    & skf21("6","6","6","1","6","2","6","1") = "5"
    & skf21("6","6","6","1","6","2","7","1") = "6"
    & skf21("6","6","6","1","6","3","1","1") = "5"
    & skf21("6","6","6","1","6","3","2","1") = "5"
    & skf21("6","6","6","1","6","3","3","1") = "5"
    & skf21("6","6","6","1","6","3","4","1") = "5"
    & skf21("6","6","6","1","6","3","5","1") = "5"
    & skf21("6","6","6","1","6","3","6","1") = "5"
    & skf21("6","6","6","1","6","3","7","1") = "6"
    & skf21("6","6","6","1","6","4","1","1") = "5"
    & skf21("6","6","6","1","6","4","2","1") = "5"
    & skf21("6","6","6","1","6","4","3","1") = "5"
    & skf21("6","6","6","1","6","4","4","1") = "5"
    & skf21("6","6","6","1","6","4","5","1") = "5"
    & skf21("6","6","6","1","6","4","6","1") = "5"
    & skf21("6","6","6","1","6","4","7","1") = "6"
    & skf21("6","6","6","1","6","5","1","1") = "5"
    & skf21("6","6","6","1","6","5","2","1") = "5"
    & skf21("6","6","6","1","6","5","3","1") = "5"
    & skf21("6","6","6","1","6","5","4","1") = "5"
    & skf21("6","6","6","1","6","5","5","1") = "5"
    & skf21("6","6","6","1","6","5","6","1") = "5"
    & skf21("6","6","6","1","6","5","7","1") = "6"
    & skf21("6","6","6","1","6","6","1","1") = "5"
    & skf21("6","6","6","1","6","6","2","1") = "5"
    & skf21("6","6","6","1","6","6","3","1") = "5"
    & skf21("6","6","6","1","6","6","4","1") = "5"
    & skf21("6","6","6","1","6","6","5","1") = "5"
    & skf21("6","6","6","1","6","6","6","1") = "5"
    & skf21("6","6","6","1","6","6","7","1") = "6"
    & skf21("6","6","6","1","6","7","1","1") = "6"
    & skf21("6","6","6","1","6","7","2","1") = "6"
    & skf21("6","6","6","1","6","7","3","1") = "6"
    & skf21("6","6","6","1","6","7","4","1") = "6"
    & skf21("6","6","6","1","6","7","5","1") = "6"
    & skf21("6","6","6","1","6","7","6","1") = "6"
    & skf21("6","6","6","1","6","7","7","1") = "6"
    & skf21("6","6","6","1","7","1","1","1") = "6"
    & skf21("6","6","6","1","7","1","2","1") = "6"
    & skf21("6","6","6","1","7","1","3","1") = "6"
    & skf21("6","6","6","1","7","1","4","1") = "6"
    & skf21("6","6","6","1","7","1","5","1") = "6"
    & skf21("6","6","6","1","7","1","6","1") = "6"
    & skf21("6","6","6","1","7","1","7","1") = "6"
    & skf21("6","6","6","1","7","2","1","1") = "6"
    & skf21("6","6","6","1","7","2","2","1") = "6"
    & skf21("6","6","6","1","7","2","3","1") = "6"
    & skf21("6","6","6","1","7","2","4","1") = "6"
    & skf21("6","6","6","1","7","2","5","1") = "6"
    & skf21("6","6","6","1","7","2","6","1") = "6"
    & skf21("6","6","6","1","7","2","7","1") = "6"
    & skf21("6","6","6","1","7","3","1","1") = "6"
    & skf21("6","6","6","1","7","3","2","1") = "6"
    & skf21("6","6","6","1","7","3","3","1") = "6"
    & skf21("6","6","6","1","7","3","4","1") = "6"
    & skf21("6","6","6","1","7","3","5","1") = "6"
    & skf21("6","6","6","1","7","3","6","1") = "6"
    & skf21("6","6","6","1","7","3","7","1") = "6"
    & skf21("6","6","6","1","7","4","1","1") = "6"
    & skf21("6","6","6","1","7","4","2","1") = "6"
    & skf21("6","6","6","1","7","4","3","1") = "6"
    & skf21("6","6","6","1","7","4","4","1") = "6"
    & skf21("6","6","6","1","7","4","5","1") = "6"
    & skf21("6","6","6","1","7","4","6","1") = "6"
    & skf21("6","6","6","1","7","4","7","1") = "6"
    & skf21("6","6","6","1","7","5","1","1") = "6"
    & skf21("6","6","6","1","7","5","2","1") = "6"
    & skf21("6","6","6","1","7","5","3","1") = "6"
    & skf21("6","6","6","1","7","5","4","1") = "6"
    & skf21("6","6","6","1","7","5","5","1") = "6"
    & skf21("6","6","6","1","7","5","6","1") = "6"
    & skf21("6","6","6","1","7","5","7","1") = "6"
    & skf21("6","6","6","1","7","6","1","1") = "6"
    & skf21("6","6","6","1","7","6","2","1") = "6"
    & skf21("6","6","6","1","7","6","3","1") = "6"
    & skf21("6","6","6","1","7","6","4","1") = "6"
    & skf21("6","6","6","1","7","6","5","1") = "6"
    & skf21("6","6","6","1","7","6","6","1") = "6"
    & skf21("6","6","6","1","7","6","7","1") = "6"
    & skf21("6","6","6","1","7","7","1","1") = "6"
    & skf21("6","6","6","1","7","7","2","1") = "6"
    & skf21("6","6","6","1","7","7","3","1") = "6"
    & skf21("6","6","6","1","7","7","4","1") = "6"
    & skf21("6","6","6","1","7","7","5","1") = "6"
    & skf21("6","6","6","1","7","7","6","1") = "6"
    & skf21("6","6","6","1","7","7","7","1") = "6"
    & skf21("6","6","6","2","1","1","1","1") = "5"
    & skf21("6","6","6","2","1","1","2","1") = "5"
    & skf21("6","6","6","2","1","1","3","1") = "5"
    & skf21("6","6","6","2","1","1","4","1") = "5"
    & skf21("6","6","6","2","1","1","5","1") = "5"
    & skf21("6","6","6","2","1","1","6","1") = "5"
    & skf21("6","6","6","2","1","1","7","1") = "6"
    & skf21("6","6","6","2","1","2","1","1") = "5"
    & skf21("6","6","6","2","1","2","2","1") = "5"
    & skf21("6","6","6","2","1","2","3","1") = "5"
    & skf21("6","6","6","2","1","2","4","1") = "5"
    & skf21("6","6","6","2","1","2","5","1") = "5"
    & skf21("6","6","6","2","1","2","6","1") = "5"
    & skf21("6","6","6","2","1","2","7","1") = "6"
    & skf21("6","6","6","2","1","3","1","1") = "5"
    & skf21("6","6","6","2","1","3","2","1") = "5"
    & skf21("6","6","6","2","1","3","3","1") = "5"
    & skf21("6","6","6","2","1","3","4","1") = "5"
    & skf21("6","6","6","2","1","3","5","1") = "5"
    & skf21("6","6","6","2","1","3","6","1") = "5"
    & skf21("6","6","6","2","1","3","7","1") = "6"
    & skf21("6","6","6","2","1","4","1","1") = "5"
    & skf21("6","6","6","2","1","4","2","1") = "5"
    & skf21("6","6","6","2","1","4","3","1") = "5"
    & skf21("6","6","6","2","1","4","4","1") = "5"
    & skf21("6","6","6","2","1","4","5","1") = "5"
    & skf21("6","6","6","2","1","4","6","1") = "5"
    & skf21("6","6","6","2","1","4","7","1") = "6"
    & skf21("6","6","6","2","1","5","1","1") = "5"
    & skf21("6","6","6","2","1","5","2","1") = "5"
    & skf21("6","6","6","2","1","5","3","1") = "5"
    & skf21("6","6","6","2","1","5","4","1") = "5"
    & skf21("6","6","6","2","1","5","5","1") = "5"
    & skf21("6","6","6","2","1","5","6","1") = "5"
    & skf21("6","6","6","2","1","5","7","1") = "6"
    & skf21("6","6","6","2","1","6","1","1") = "5"
    & skf21("6","6","6","2","1","6","2","1") = "5"
    & skf21("6","6","6","2","1","6","3","1") = "5"
    & skf21("6","6","6","2","1","6","4","1") = "5"
    & skf21("6","6","6","2","1","6","5","1") = "5"
    & skf21("6","6","6","2","1","6","6","1") = "5"
    & skf21("6","6","6","2","1","6","7","1") = "6"
    & skf21("6","6","6","2","1","7","1","1") = "6"
    & skf21("6","6","6","2","1","7","2","1") = "6"
    & skf21("6","6","6","2","1","7","3","1") = "6"
    & skf21("6","6","6","2","1","7","4","1") = "6"
    & skf21("6","6","6","2","1","7","5","1") = "6"
    & skf21("6","6","6","2","1","7","6","1") = "6"
    & skf21("6","6","6","2","1","7","7","1") = "6"
    & skf21("6","6","6","2","2","1","1","1") = "5"
    & skf21("6","6","6","2","2","1","2","1") = "5"
    & skf21("6","6","6","2","2","1","3","1") = "5"
    & skf21("6","6","6","2","2","1","4","1") = "5"
    & skf21("6","6","6","2","2","1","5","1") = "5"
    & skf21("6","6","6","2","2","1","6","1") = "5"
    & skf21("6","6","6","2","2","1","7","1") = "6"
    & skf21("6","6","6","2","2","2","1","1") = "5"
    & skf21("6","6","6","2","2","2","2","1") = "5"
    & skf21("6","6","6","2","2","2","3","1") = "5"
    & skf21("6","6","6","2","2","2","4","1") = "5"
    & skf21("6","6","6","2","2","2","5","1") = "5"
    & skf21("6","6","6","2","2","2","6","1") = "5"
    & skf21("6","6","6","2","2","2","7","1") = "6"
    & skf21("6","6","6","2","2","3","1","1") = "5"
    & skf21("6","6","6","2","2","3","2","1") = "5"
    & skf21("6","6","6","2","2","3","3","1") = "5"
    & skf21("6","6","6","2","2","3","4","1") = "5"
    & skf21("6","6","6","2","2","3","5","1") = "5"
    & skf21("6","6","6","2","2","3","6","1") = "5"
    & skf21("6","6","6","2","2","3","7","1") = "6"
    & skf21("6","6","6","2","2","4","1","1") = "5"
    & skf21("6","6","6","2","2","4","2","1") = "5"
    & skf21("6","6","6","2","2","4","3","1") = "5"
    & skf21("6","6","6","2","2","4","4","1") = "5"
    & skf21("6","6","6","2","2","4","5","1") = "5"
    & skf21("6","6","6","2","2","4","6","1") = "5"
    & skf21("6","6","6","2","2","4","7","1") = "6"
    & skf21("6","6","6","2","2","5","1","1") = "5"
    & skf21("6","6","6","2","2","5","2","1") = "5"
    & skf21("6","6","6","2","2","5","3","1") = "5"
    & skf21("6","6","6","2","2","5","4","1") = "5"
    & skf21("6","6","6","2","2","5","5","1") = "5"
    & skf21("6","6","6","2","2","5","6","1") = "5"
    & skf21("6","6","6","2","2","5","7","1") = "6"
    & skf21("6","6","6","2","2","6","1","1") = "5"
    & skf21("6","6","6","2","2","6","2","1") = "5"
    & skf21("6","6","6","2","2","6","3","1") = "5"
    & skf21("6","6","6","2","2","6","4","1") = "5"
    & skf21("6","6","6","2","2","6","5","1") = "5"
    & skf21("6","6","6","2","2","6","6","1") = "5"
    & skf21("6","6","6","2","2","6","7","1") = "6"
    & skf21("6","6","6","2","2","7","1","1") = "6"
    & skf21("6","6","6","2","2","7","2","1") = "6"
    & skf21("6","6","6","2","2","7","3","1") = "6"
    & skf21("6","6","6","2","2","7","4","1") = "6"
    & skf21("6","6","6","2","2","7","5","1") = "6"
    & skf21("6","6","6","2","2","7","6","1") = "6"
    & skf21("6","6","6","2","2","7","7","1") = "6"
    & skf21("6","6","6","2","3","1","1","1") = "5"
    & skf21("6","6","6","2","3","1","2","1") = "5"
    & skf21("6","6","6","2","3","1","3","1") = "5"
    & skf21("6","6","6","2","3","1","4","1") = "5"
    & skf21("6","6","6","2","3","1","5","1") = "5"
    & skf21("6","6","6","2","3","1","6","1") = "5"
    & skf21("6","6","6","2","3","1","7","1") = "6"
    & skf21("6","6","6","2","3","2","1","1") = "5"
    & skf21("6","6","6","2","3","2","2","1") = "5"
    & skf21("6","6","6","2","3","2","3","1") = "5"
    & skf21("6","6","6","2","3","2","4","1") = "5"
    & skf21("6","6","6","2","3","2","5","1") = "5"
    & skf21("6","6","6","2","3","2","6","1") = "5"
    & skf21("6","6","6","2","3","2","7","1") = "6"
    & skf21("6","6","6","2","3","3","1","1") = "5"
    & skf21("6","6","6","2","3","3","2","1") = "5"
    & skf21("6","6","6","2","3","3","3","1") = "5"
    & skf21("6","6","6","2","3","3","4","1") = "5"
    & skf21("6","6","6","2","3","3","5","1") = "5"
    & skf21("6","6","6","2","3","3","6","1") = "5"
    & skf21("6","6","6","2","3","3","7","1") = "6"
    & skf21("6","6","6","2","3","4","1","1") = "5"
    & skf21("6","6","6","2","3","4","2","1") = "5"
    & skf21("6","6","6","2","3","4","3","1") = "5"
    & skf21("6","6","6","2","3","4","4","1") = "5"
    & skf21("6","6","6","2","3","4","5","1") = "5"
    & skf21("6","6","6","2","3","4","6","1") = "5"
    & skf21("6","6","6","2","3","4","7","1") = "6"
    & skf21("6","6","6","2","3","5","1","1") = "5"
    & skf21("6","6","6","2","3","5","2","1") = "5"
    & skf21("6","6","6","2","3","5","3","1") = "5"
    & skf21("6","6","6","2","3","5","4","1") = "5"
    & skf21("6","6","6","2","3","5","5","1") = "5"
    & skf21("6","6","6","2","3","5","6","1") = "5"
    & skf21("6","6","6","2","3","5","7","1") = "6"
    & skf21("6","6","6","2","3","6","1","1") = "5"
    & skf21("6","6","6","2","3","6","2","1") = "5"
    & skf21("6","6","6","2","3","6","3","1") = "5"
    & skf21("6","6","6","2","3","6","4","1") = "5"
    & skf21("6","6","6","2","3","6","5","1") = "5"
    & skf21("6","6","6","2","3","6","6","1") = "5"
    & skf21("6","6","6","2","3","6","7","1") = "6"
    & skf21("6","6","6","2","3","7","1","1") = "6"
    & skf21("6","6","6","2","3","7","2","1") = "6"
    & skf21("6","6","6","2","3","7","3","1") = "6"
    & skf21("6","6","6","2","3","7","4","1") = "6"
    & skf21("6","6","6","2","3","7","5","1") = "6"
    & skf21("6","6","6","2","3","7","6","1") = "6"
    & skf21("6","6","6","2","3","7","7","1") = "6"
    & skf21("6","6","6","2","4","1","1","1") = "5"
    & skf21("6","6","6","2","4","1","2","1") = "5"
    & skf21("6","6","6","2","4","1","3","1") = "5"
    & skf21("6","6","6","2","4","1","4","1") = "5"
    & skf21("6","6","6","2","4","1","5","1") = "5"
    & skf21("6","6","6","2","4","1","6","1") = "5"
    & skf21("6","6","6","2","4","1","7","1") = "6"
    & skf21("6","6","6","2","4","2","1","1") = "5"
    & skf21("6","6","6","2","4","2","2","1") = "5"
    & skf21("6","6","6","2","4","2","3","1") = "5"
    & skf21("6","6","6","2","4","2","4","1") = "5"
    & skf21("6","6","6","2","4","2","5","1") = "5"
    & skf21("6","6","6","2","4","2","6","1") = "5"
    & skf21("6","6","6","2","4","2","7","1") = "6"
    & skf21("6","6","6","2","4","3","1","1") = "5"
    & skf21("6","6","6","2","4","3","2","1") = "5"
    & skf21("6","6","6","2","4","3","3","1") = "5"
    & skf21("6","6","6","2","4","3","4","1") = "5"
    & skf21("6","6","6","2","4","3","5","1") = "5"
    & skf21("6","6","6","2","4","3","6","1") = "5"
    & skf21("6","6","6","2","4","3","7","1") = "6"
    & skf21("6","6","6","2","4","4","1","1") = "5"
    & skf21("6","6","6","2","4","4","2","1") = "5"
    & skf21("6","6","6","2","4","4","3","1") = "5"
    & skf21("6","6","6","2","4","4","4","1") = "5"
    & skf21("6","6","6","2","4","4","5","1") = "5"
    & skf21("6","6","6","2","4","4","6","1") = "5"
    & skf21("6","6","6","2","4","4","7","1") = "6"
    & skf21("6","6","6","2","4","5","1","1") = "5"
    & skf21("6","6","6","2","4","5","2","1") = "5"
    & skf21("6","6","6","2","4","5","3","1") = "5"
    & skf21("6","6","6","2","4","5","4","1") = "5"
    & skf21("6","6","6","2","4","5","5","1") = "5"
    & skf21("6","6","6","2","4","5","6","1") = "5"
    & skf21("6","6","6","2","4","5","7","1") = "6"
    & skf21("6","6","6","2","4","6","1","1") = "5"
    & skf21("6","6","6","2","4","6","2","1") = "5"
    & skf21("6","6","6","2","4","6","3","1") = "5"
    & skf21("6","6","6","2","4","6","4","1") = "5"
    & skf21("6","6","6","2","4","6","5","1") = "5"
    & skf21("6","6","6","2","4","6","6","1") = "5"
    & skf21("6","6","6","2","4","6","7","1") = "6"
    & skf21("6","6","6","2","4","7","1","1") = "6"
    & skf21("6","6","6","2","4","7","2","1") = "6"
    & skf21("6","6","6","2","4","7","3","1") = "6"
    & skf21("6","6","6","2","4","7","4","1") = "6"
    & skf21("6","6","6","2","4","7","5","1") = "6"
    & skf21("6","6","6","2","4","7","6","1") = "6"
    & skf21("6","6","6","2","4","7","7","1") = "6"
    & skf21("6","6","6","2","5","1","1","1") = "5"
    & skf21("6","6","6","2","5","1","2","1") = "5"
    & skf21("6","6","6","2","5","1","3","1") = "5"
    & skf21("6","6","6","2","5","1","4","1") = "5"
    & skf21("6","6","6","2","5","1","5","1") = "5"
    & skf21("6","6","6","2","5","1","6","1") = "5"
    & skf21("6","6","6","2","5","1","7","1") = "6"
    & skf21("6","6","6","2","5","2","1","1") = "5"
    & skf21("6","6","6","2","5","2","2","1") = "5"
    & skf21("6","6","6","2","5","2","3","1") = "5"
    & skf21("6","6","6","2","5","2","4","1") = "5"
    & skf21("6","6","6","2","5","2","5","1") = "5"
    & skf21("6","6","6","2","5","2","6","1") = "5"
    & skf21("6","6","6","2","5","2","7","1") = "6"
    & skf21("6","6","6","2","5","3","1","1") = "5"
    & skf21("6","6","6","2","5","3","2","1") = "5"
    & skf21("6","6","6","2","5","3","3","1") = "5"
    & skf21("6","6","6","2","5","3","4","1") = "5"
    & skf21("6","6","6","2","5","3","5","1") = "5"
    & skf21("6","6","6","2","5","3","6","1") = "5"
    & skf21("6","6","6","2","5","3","7","1") = "6"
    & skf21("6","6","6","2","5","4","1","1") = "5"
    & skf21("6","6","6","2","5","4","2","1") = "5"
    & skf21("6","6","6","2","5","4","3","1") = "5"
    & skf21("6","6","6","2","5","4","4","1") = "5"
    & skf21("6","6","6","2","5","4","5","1") = "5"
    & skf21("6","6","6","2","5","4","6","1") = "5"
    & skf21("6","6","6","2","5","4","7","1") = "6"
    & skf21("6","6","6","2","5","5","1","1") = "5"
    & skf21("6","6","6","2","5","5","2","1") = "5"
    & skf21("6","6","6","2","5","5","3","1") = "5"
    & skf21("6","6","6","2","5","5","4","1") = "5"
    & skf21("6","6","6","2","5","5","5","1") = "5"
    & skf21("6","6","6","2","5","5","6","1") = "5"
    & skf21("6","6","6","2","5","5","7","1") = "6"
    & skf21("6","6","6","2","5","6","1","1") = "5"
    & skf21("6","6","6","2","5","6","2","1") = "5"
    & skf21("6","6","6","2","5","6","3","1") = "5"
    & skf21("6","6","6","2","5","6","4","1") = "5"
    & skf21("6","6","6","2","5","6","5","1") = "5"
    & skf21("6","6","6","2","5","6","6","1") = "5"
    & skf21("6","6","6","2","5","6","7","1") = "6"
    & skf21("6","6","6","2","5","7","1","1") = "6"
    & skf21("6","6","6","2","5","7","2","1") = "6"
    & skf21("6","6","6","2","5","7","3","1") = "6"
    & skf21("6","6","6","2","5","7","4","1") = "6"
    & skf21("6","6","6","2","5","7","5","1") = "6"
    & skf21("6","6","6","2","5","7","6","1") = "6"
    & skf21("6","6","6","2","5","7","7","1") = "6"
    & skf21("6","6","6","2","6","1","1","1") = "5"
    & skf21("6","6","6","2","6","1","2","1") = "5"
    & skf21("6","6","6","2","6","1","3","1") = "5"
    & skf21("6","6","6","2","6","1","4","1") = "5"
    & skf21("6","6","6","2","6","1","5","1") = "5"
    & skf21("6","6","6","2","6","1","6","1") = "5"
    & skf21("6","6","6","2","6","1","7","1") = "6"
    & skf21("6","6","6","2","6","2","1","1") = "5"
    & skf21("6","6","6","2","6","2","2","1") = "5"
    & skf21("6","6","6","2","6","2","3","1") = "5"
    & skf21("6","6","6","2","6","2","4","1") = "5"
    & skf21("6","6","6","2","6","2","5","1") = "5"
    & skf21("6","6","6","2","6","2","6","1") = "5"
    & skf21("6","6","6","2","6","2","7","1") = "6"
    & skf21("6","6","6","2","6","3","1","1") = "5"
    & skf21("6","6","6","2","6","3","2","1") = "5"
    & skf21("6","6","6","2","6","3","3","1") = "5"
    & skf21("6","6","6","2","6","3","4","1") = "5"
    & skf21("6","6","6","2","6","3","5","1") = "5"
    & skf21("6","6","6","2","6","3","6","1") = "5"
    & skf21("6","6","6","2","6","3","7","1") = "6"
    & skf21("6","6","6","2","6","4","1","1") = "5"
    & skf21("6","6","6","2","6","4","2","1") = "5"
    & skf21("6","6","6","2","6","4","3","1") = "5"
    & skf21("6","6","6","2","6","4","4","1") = "5"
    & skf21("6","6","6","2","6","4","5","1") = "5"
    & skf21("6","6","6","2","6","4","6","1") = "5"
    & skf21("6","6","6","2","6","4","7","1") = "6"
    & skf21("6","6","6","2","6","5","1","1") = "5"
    & skf21("6","6","6","2","6","5","2","1") = "5"
    & skf21("6","6","6","2","6","5","3","1") = "5"
    & skf21("6","6","6","2","6","5","4","1") = "5"
    & skf21("6","6","6","2","6","5","5","1") = "5"
    & skf21("6","6","6","2","6","5","6","1") = "5"
    & skf21("6","6","6","2","6","5","7","1") = "6"
    & skf21("6","6","6","2","6","6","1","1") = "5"
    & skf21("6","6","6","2","6","6","2","1") = "5"
    & skf21("6","6","6","2","6","6","3","1") = "5"
    & skf21("6","6","6","2","6","6","4","1") = "5"
    & skf21("6","6","6","2","6","6","5","1") = "5"
    & skf21("6","6","6","2","6","6","6","1") = "5"
    & skf21("6","6","6","2","6","6","7","1") = "6"
    & skf21("6","6","6","2","6","7","1","1") = "6"
    & skf21("6","6","6","2","6","7","2","1") = "6"
    & skf21("6","6","6","2","6","7","3","1") = "6"
    & skf21("6","6","6","2","6","7","4","1") = "6"
    & skf21("6","6","6","2","6","7","5","1") = "6"
    & skf21("6","6","6","2","6","7","6","1") = "6"
    & skf21("6","6","6","2","6","7","7","1") = "6"
    & skf21("6","6","6","2","7","1","1","1") = "6"
    & skf21("6","6","6","2","7","1","2","1") = "6"
    & skf21("6","6","6","2","7","1","3","1") = "6"
    & skf21("6","6","6","2","7","1","4","1") = "6"
    & skf21("6","6","6","2","7","1","5","1") = "6"
    & skf21("6","6","6","2","7","1","6","1") = "6"
    & skf21("6","6","6","2","7","1","7","1") = "6"
    & skf21("6","6","6","2","7","2","1","1") = "6"
    & skf21("6","6","6","2","7","2","2","1") = "6"
    & skf21("6","6","6","2","7","2","3","1") = "6"
    & skf21("6","6","6","2","7","2","4","1") = "6"
    & skf21("6","6","6","2","7","2","5","1") = "6"
    & skf21("6","6","6","2","7","2","6","1") = "6"
    & skf21("6","6","6","2","7","2","7","1") = "6"
    & skf21("6","6","6","2","7","3","1","1") = "6"
    & skf21("6","6","6","2","7","3","2","1") = "6"
    & skf21("6","6","6","2","7","3","3","1") = "6"
    & skf21("6","6","6","2","7","3","4","1") = "6"
    & skf21("6","6","6","2","7","3","5","1") = "6"
    & skf21("6","6","6","2","7","3","6","1") = "6"
    & skf21("6","6","6","2","7","3","7","1") = "6"
    & skf21("6","6","6","2","7","4","1","1") = "6"
    & skf21("6","6","6","2","7","4","2","1") = "6"
    & skf21("6","6","6","2","7","4","3","1") = "6"
    & skf21("6","6","6","2","7","4","4","1") = "6"
    & skf21("6","6","6","2","7","4","5","1") = "6"
    & skf21("6","6","6","2","7","4","6","1") = "6"
    & skf21("6","6","6","2","7","4","7","1") = "6"
    & skf21("6","6","6","2","7","5","1","1") = "6"
    & skf21("6","6","6","2","7","5","2","1") = "6"
    & skf21("6","6","6","2","7","5","3","1") = "6"
    & skf21("6","6","6","2","7","5","4","1") = "6"
    & skf21("6","6","6","2","7","5","5","1") = "6"
    & skf21("6","6","6","2","7","5","6","1") = "6"
    & skf21("6","6","6","2","7","5","7","1") = "6"
    & skf21("6","6","6","2","7","6","1","1") = "6"
    & skf21("6","6","6","2","7","6","2","1") = "6"
    & skf21("6","6","6","2","7","6","3","1") = "6"
    & skf21("6","6","6","2","7","6","4","1") = "6"
    & skf21("6","6","6","2","7","6","5","1") = "6"
    & skf21("6","6","6","2","7","6","6","1") = "6"
    & skf21("6","6","6","2","7","6","7","1") = "6"
    & skf21("6","6","6","2","7","7","1","1") = "6"
    & skf21("6","6","6","2","7","7","2","1") = "6"
    & skf21("6","6","6","2","7","7","3","1") = "6"
    & skf21("6","6","6","2","7","7","4","1") = "6"
    & skf21("6","6","6","2","7","7","5","1") = "6"
    & skf21("6","6","6","2","7","7","6","1") = "6"
    & skf21("6","6","6","2","7","7","7","1") = "6"
    & skf21("6","6","6","3","1","1","1","1") = "5"
    & skf21("6","6","6","3","1","1","2","1") = "5"
    & skf21("6","6","6","3","1","1","3","1") = "5"
    & skf21("6","6","6","3","1","1","4","1") = "5"
    & skf21("6","6","6","3","1","1","5","1") = "5"
    & skf21("6","6","6","3","1","1","6","1") = "5"
    & skf21("6","6","6","3","1","1","7","1") = "6"
    & skf21("6","6","6","3","1","2","1","1") = "5"
    & skf21("6","6","6","3","1","2","2","1") = "5"
    & skf21("6","6","6","3","1","2","3","1") = "5"
    & skf21("6","6","6","3","1","2","4","1") = "5"
    & skf21("6","6","6","3","1","2","5","1") = "5"
    & skf21("6","6","6","3","1","2","6","1") = "5"
    & skf21("6","6","6","3","1","2","7","1") = "6"
    & skf21("6","6","6","3","1","3","1","1") = "5"
    & skf21("6","6","6","3","1","3","2","1") = "5"
    & skf21("6","6","6","3","1","3","3","1") = "5"
    & skf21("6","6","6","3","1","3","4","1") = "5"
    & skf21("6","6","6","3","1","3","5","1") = "5"
    & skf21("6","6","6","3","1","3","6","1") = "5"
    & skf21("6","6","6","3","1","3","7","1") = "6"
    & skf21("6","6","6","3","1","4","1","1") = "5"
    & skf21("6","6","6","3","1","4","2","1") = "5"
    & skf21("6","6","6","3","1","4","3","1") = "5"
    & skf21("6","6","6","3","1","4","4","1") = "5"
    & skf21("6","6","6","3","1","4","5","1") = "5"
    & skf21("6","6","6","3","1","4","6","1") = "5"
    & skf21("6","6","6","3","1","4","7","1") = "6"
    & skf21("6","6","6","3","1","5","1","1") = "5"
    & skf21("6","6","6","3","1","5","2","1") = "5"
    & skf21("6","6","6","3","1","5","3","1") = "5"
    & skf21("6","6","6","3","1","5","4","1") = "5"
    & skf21("6","6","6","3","1","5","5","1") = "5"
    & skf21("6","6","6","3","1","5","6","1") = "5"
    & skf21("6","6","6","3","1","5","7","1") = "6"
    & skf21("6","6","6","3","1","6","1","1") = "5"
    & skf21("6","6","6","3","1","6","2","1") = "5"
    & skf21("6","6","6","3","1","6","3","1") = "5"
    & skf21("6","6","6","3","1","6","4","1") = "5"
    & skf21("6","6","6","3","1","6","5","1") = "5"
    & skf21("6","6","6","3","1","6","6","1") = "5"
    & skf21("6","6","6","3","1","6","7","1") = "6"
    & skf21("6","6","6","3","1","7","1","1") = "6"
    & skf21("6","6","6","3","1","7","2","1") = "6"
    & skf21("6","6","6","3","1","7","3","1") = "6"
    & skf21("6","6","6","3","1","7","4","1") = "6"
    & skf21("6","6","6","3","1","7","5","1") = "6"
    & skf21("6","6","6","3","1","7","6","1") = "6"
    & skf21("6","6","6","3","1","7","7","1") = "6"
    & skf21("6","6","6","3","2","1","1","1") = "5"
    & skf21("6","6","6","3","2","1","2","1") = "5"
    & skf21("6","6","6","3","2","1","3","1") = "5"
    & skf21("6","6","6","3","2","1","4","1") = "5"
    & skf21("6","6","6","3","2","1","5","1") = "5"
    & skf21("6","6","6","3","2","1","6","1") = "5"
    & skf21("6","6","6","3","2","1","7","1") = "6"
    & skf21("6","6","6","3","2","2","1","1") = "5"
    & skf21("6","6","6","3","2","2","2","1") = "5"
    & skf21("6","6","6","3","2","2","3","1") = "5"
    & skf21("6","6","6","3","2","2","4","1") = "5"
    & skf21("6","6","6","3","2","2","5","1") = "5"
    & skf21("6","6","6","3","2","2","6","1") = "5"
    & skf21("6","6","6","3","2","2","7","1") = "6"
    & skf21("6","6","6","3","2","3","1","1") = "5"
    & skf21("6","6","6","3","2","3","2","1") = "5"
    & skf21("6","6","6","3","2","3","3","1") = "5"
    & skf21("6","6","6","3","2","3","4","1") = "5"
    & skf21("6","6","6","3","2","3","5","1") = "5"
    & skf21("6","6","6","3","2","3","6","1") = "5"
    & skf21("6","6","6","3","2","3","7","1") = "6"
    & skf21("6","6","6","3","2","4","1","1") = "5"
    & skf21("6","6","6","3","2","4","2","1") = "5"
    & skf21("6","6","6","3","2","4","3","1") = "5"
    & skf21("6","6","6","3","2","4","4","1") = "5"
    & skf21("6","6","6","3","2","4","5","1") = "5"
    & skf21("6","6","6","3","2","4","6","1") = "5"
    & skf21("6","6","6","3","2","4","7","1") = "6"
    & skf21("6","6","6","3","2","5","1","1") = "5"
    & skf21("6","6","6","3","2","5","2","1") = "5"
    & skf21("6","6","6","3","2","5","3","1") = "5"
    & skf21("6","6","6","3","2","5","4","1") = "5"
    & skf21("6","6","6","3","2","5","5","1") = "5"
    & skf21("6","6","6","3","2","5","6","1") = "5"
    & skf21("6","6","6","3","2","5","7","1") = "6"
    & skf21("6","6","6","3","2","6","1","1") = "5"
    & skf21("6","6","6","3","2","6","2","1") = "5"
    & skf21("6","6","6","3","2","6","3","1") = "5"
    & skf21("6","6","6","3","2","6","4","1") = "5"
    & skf21("6","6","6","3","2","6","5","1") = "5"
    & skf21("6","6","6","3","2","6","6","1") = "5"
    & skf21("6","6","6","3","2","6","7","1") = "6"
    & skf21("6","6","6","3","2","7","1","1") = "6"
    & skf21("6","6","6","3","2","7","2","1") = "6"
    & skf21("6","6","6","3","2","7","3","1") = "6"
    & skf21("6","6","6","3","2","7","4","1") = "6"
    & skf21("6","6","6","3","2","7","5","1") = "6"
    & skf21("6","6","6","3","2","7","6","1") = "6"
    & skf21("6","6","6","3","2","7","7","1") = "6"
    & skf21("6","6","6","3","3","1","1","1") = "5"
    & skf21("6","6","6","3","3","1","2","1") = "5"
    & skf21("6","6","6","3","3","1","3","1") = "5"
    & skf21("6","6","6","3","3","1","4","1") = "5"
    & skf21("6","6","6","3","3","1","5","1") = "5"
    & skf21("6","6","6","3","3","1","6","1") = "5"
    & skf21("6","6","6","3","3","1","7","1") = "6"
    & skf21("6","6","6","3","3","2","1","1") = "5"
    & skf21("6","6","6","3","3","2","2","1") = "5"
    & skf21("6","6","6","3","3","2","3","1") = "5"
    & skf21("6","6","6","3","3","2","4","1") = "5"
    & skf21("6","6","6","3","3","2","5","1") = "5"
    & skf21("6","6","6","3","3","2","6","1") = "5"
    & skf21("6","6","6","3","3","2","7","1") = "6"
    & skf21("6","6","6","3","3","3","1","1") = "5"
    & skf21("6","6","6","3","3","3","2","1") = "5"
    & skf21("6","6","6","3","3","3","3","1") = "5"
    & skf21("6","6","6","3","3","3","4","1") = "5"
    & skf21("6","6","6","3","3","3","5","1") = "5"
    & skf21("6","6","6","3","3","3","6","1") = "5"
    & skf21("6","6","6","3","3","3","7","1") = "6"
    & skf21("6","6","6","3","3","4","1","1") = "5"
    & skf21("6","6","6","3","3","4","2","1") = "5"
    & skf21("6","6","6","3","3","4","3","1") = "5"
    & skf21("6","6","6","3","3","4","4","1") = "5"
    & skf21("6","6","6","3","3","4","5","1") = "5"
    & skf21("6","6","6","3","3","4","6","1") = "5"
    & skf21("6","6","6","3","3","4","7","1") = "6"
    & skf21("6","6","6","3","3","5","1","1") = "5"
    & skf21("6","6","6","3","3","5","2","1") = "5"
    & skf21("6","6","6","3","3","5","3","1") = "5"
    & skf21("6","6","6","3","3","5","4","1") = "5"
    & skf21("6","6","6","3","3","5","5","1") = "5"
    & skf21("6","6","6","3","3","5","6","1") = "5"
    & skf21("6","6","6","3","3","5","7","1") = "6"
    & skf21("6","6","6","3","3","6","1","1") = "5"
    & skf21("6","6","6","3","3","6","2","1") = "5"
    & skf21("6","6","6","3","3","6","3","1") = "5"
    & skf21("6","6","6","3","3","6","4","1") = "5"
    & skf21("6","6","6","3","3","6","5","1") = "5"
    & skf21("6","6","6","3","3","6","6","1") = "5"
    & skf21("6","6","6","3","3","6","7","1") = "6"
    & skf21("6","6","6","3","3","7","1","1") = "6"
    & skf21("6","6","6","3","3","7","2","1") = "6"
    & skf21("6","6","6","3","3","7","3","1") = "6"
    & skf21("6","6","6","3","3","7","4","1") = "6"
    & skf21("6","6","6","3","3","7","5","1") = "6"
    & skf21("6","6","6","3","3","7","6","1") = "6"
    & skf21("6","6","6","3","3","7","7","1") = "6"
    & skf21("6","6","6","3","4","1","1","1") = "5"
    & skf21("6","6","6","3","4","1","2","1") = "5"
    & skf21("6","6","6","3","4","1","3","1") = "5"
    & skf21("6","6","6","3","4","1","4","1") = "5"
    & skf21("6","6","6","3","4","1","5","1") = "5"
    & skf21("6","6","6","3","4","1","6","1") = "5"
    & skf21("6","6","6","3","4","1","7","1") = "6"
    & skf21("6","6","6","3","4","2","1","1") = "5"
    & skf21("6","6","6","3","4","2","2","1") = "5"
    & skf21("6","6","6","3","4","2","3","1") = "5"
    & skf21("6","6","6","3","4","2","4","1") = "5"
    & skf21("6","6","6","3","4","2","5","1") = "5"
    & skf21("6","6","6","3","4","2","6","1") = "5"
    & skf21("6","6","6","3","4","2","7","1") = "6"
    & skf21("6","6","6","3","4","3","1","1") = "5"
    & skf21("6","6","6","3","4","3","2","1") = "5"
    & skf21("6","6","6","3","4","3","3","1") = "5"
    & skf21("6","6","6","3","4","3","4","1") = "5"
    & skf21("6","6","6","3","4","3","5","1") = "5"
    & skf21("6","6","6","3","4","3","6","1") = "5"
    & skf21("6","6","6","3","4","3","7","1") = "6"
    & skf21("6","6","6","3","4","4","1","1") = "5"
    & skf21("6","6","6","3","4","4","2","1") = "5"
    & skf21("6","6","6","3","4","4","3","1") = "5"
    & skf21("6","6","6","3","4","4","4","1") = "5"
    & skf21("6","6","6","3","4","4","5","1") = "5"
    & skf21("6","6","6","3","4","4","6","1") = "5"
    & skf21("6","6","6","3","4","4","7","1") = "6"
    & skf21("6","6","6","3","4","5","1","1") = "5"
    & skf21("6","6","6","3","4","5","2","1") = "5"
    & skf21("6","6","6","3","4","5","3","1") = "5"
    & skf21("6","6","6","3","4","5","4","1") = "5"
    & skf21("6","6","6","3","4","5","5","1") = "5"
    & skf21("6","6","6","3","4","5","6","1") = "5"
    & skf21("6","6","6","3","4","5","7","1") = "6"
    & skf21("6","6","6","3","4","6","1","1") = "5"
    & skf21("6","6","6","3","4","6","2","1") = "5"
    & skf21("6","6","6","3","4","6","3","1") = "5"
    & skf21("6","6","6","3","4","6","4","1") = "5"
    & skf21("6","6","6","3","4","6","5","1") = "5"
    & skf21("6","6","6","3","4","6","6","1") = "5"
    & skf21("6","6","6","3","4","6","7","1") = "6"
    & skf21("6","6","6","3","4","7","1","1") = "6"
    & skf21("6","6","6","3","4","7","2","1") = "6"
    & skf21("6","6","6","3","4","7","3","1") = "6"
    & skf21("6","6","6","3","4","7","4","1") = "6"
    & skf21("6","6","6","3","4","7","5","1") = "6"
    & skf21("6","6","6","3","4","7","6","1") = "6"
    & skf21("6","6","6","3","4","7","7","1") = "6"
    & skf21("6","6","6","3","5","1","1","1") = "5"
    & skf21("6","6","6","3","5","1","2","1") = "5"
    & skf21("6","6","6","3","5","1","3","1") = "5"
    & skf21("6","6","6","3","5","1","4","1") = "5"
    & skf21("6","6","6","3","5","1","5","1") = "5"
    & skf21("6","6","6","3","5","1","6","1") = "5"
    & skf21("6","6","6","3","5","1","7","1") = "6"
    & skf21("6","6","6","3","5","2","1","1") = "5"
    & skf21("6","6","6","3","5","2","2","1") = "5"
    & skf21("6","6","6","3","5","2","3","1") = "5"
    & skf21("6","6","6","3","5","2","4","1") = "5"
    & skf21("6","6","6","3","5","2","5","1") = "5"
    & skf21("6","6","6","3","5","2","6","1") = "5"
    & skf21("6","6","6","3","5","2","7","1") = "6"
    & skf21("6","6","6","3","5","3","1","1") = "5"
    & skf21("6","6","6","3","5","3","2","1") = "5"
    & skf21("6","6","6","3","5","3","3","1") = "5"
    & skf21("6","6","6","3","5","3","4","1") = "5"
    & skf21("6","6","6","3","5","3","5","1") = "5"
    & skf21("6","6","6","3","5","3","6","1") = "5"
    & skf21("6","6","6","3","5","3","7","1") = "6"
    & skf21("6","6","6","3","5","4","1","1") = "5"
    & skf21("6","6","6","3","5","4","2","1") = "5"
    & skf21("6","6","6","3","5","4","3","1") = "5"
    & skf21("6","6","6","3","5","4","4","1") = "5"
    & skf21("6","6","6","3","5","4","5","1") = "5"
    & skf21("6","6","6","3","5","4","6","1") = "5"
    & skf21("6","6","6","3","5","4","7","1") = "6"
    & skf21("6","6","6","3","5","5","1","1") = "5"
    & skf21("6","6","6","3","5","5","2","1") = "5"
    & skf21("6","6","6","3","5","5","3","1") = "5"
    & skf21("6","6","6","3","5","5","4","1") = "5"
    & skf21("6","6","6","3","5","5","5","1") = "5"
    & skf21("6","6","6","3","5","5","6","1") = "5"
    & skf21("6","6","6","3","5","5","7","1") = "6"
    & skf21("6","6","6","3","5","6","1","1") = "5"
    & skf21("6","6","6","3","5","6","2","1") = "5"
    & skf21("6","6","6","3","5","6","3","1") = "5"
    & skf21("6","6","6","3","5","6","4","1") = "5"
    & skf21("6","6","6","3","5","6","5","1") = "5"
    & skf21("6","6","6","3","5","6","6","1") = "5"
    & skf21("6","6","6","3","5","6","7","1") = "6"
    & skf21("6","6","6","3","5","7","1","1") = "6"
    & skf21("6","6","6","3","5","7","2","1") = "6"
    & skf21("6","6","6","3","5","7","3","1") = "6"
    & skf21("6","6","6","3","5","7","4","1") = "6"
    & skf21("6","6","6","3","5","7","5","1") = "6"
    & skf21("6","6","6","3","5","7","6","1") = "6"
    & skf21("6","6","6","3","5","7","7","1") = "6"
    & skf21("6","6","6","3","6","1","1","1") = "5"
    & skf21("6","6","6","3","6","1","2","1") = "5"
    & skf21("6","6","6","3","6","1","3","1") = "5"
    & skf21("6","6","6","3","6","1","4","1") = "5"
    & skf21("6","6","6","3","6","1","5","1") = "5"
    & skf21("6","6","6","3","6","1","6","1") = "5"
    & skf21("6","6","6","3","6","1","7","1") = "6"
    & skf21("6","6","6","3","6","2","1","1") = "5"
    & skf21("6","6","6","3","6","2","2","1") = "5"
    & skf21("6","6","6","3","6","2","3","1") = "5"
    & skf21("6","6","6","3","6","2","4","1") = "5"
    & skf21("6","6","6","3","6","2","5","1") = "5"
    & skf21("6","6","6","3","6","2","6","1") = "5"
    & skf21("6","6","6","3","6","2","7","1") = "6"
    & skf21("6","6","6","3","6","3","1","1") = "5"
    & skf21("6","6","6","3","6","3","2","1") = "5"
    & skf21("6","6","6","3","6","3","3","1") = "5"
    & skf21("6","6","6","3","6","3","4","1") = "5"
    & skf21("6","6","6","3","6","3","5","1") = "5"
    & skf21("6","6","6","3","6","3","6","1") = "5"
    & skf21("6","6","6","3","6","3","7","1") = "6"
    & skf21("6","6","6","3","6","4","1","1") = "5"
    & skf21("6","6","6","3","6","4","2","1") = "5"
    & skf21("6","6","6","3","6","4","3","1") = "5"
    & skf21("6","6","6","3","6","4","4","1") = "5"
    & skf21("6","6","6","3","6","4","5","1") = "5"
    & skf21("6","6","6","3","6","4","6","1") = "5"
    & skf21("6","6","6","3","6","4","7","1") = "6"
    & skf21("6","6","6","3","6","5","1","1") = "5"
    & skf21("6","6","6","3","6","5","2","1") = "5"
    & skf21("6","6","6","3","6","5","3","1") = "5"
    & skf21("6","6","6","3","6","5","4","1") = "5"
    & skf21("6","6","6","3","6","5","5","1") = "5"
    & skf21("6","6","6","3","6","5","6","1") = "5"
    & skf21("6","6","6","3","6","5","7","1") = "6"
    & skf21("6","6","6","3","6","6","1","1") = "5"
    & skf21("6","6","6","3","6","6","2","1") = "5"
    & skf21("6","6","6","3","6","6","3","1") = "5"
    & skf21("6","6","6","3","6","6","4","1") = "5"
    & skf21("6","6","6","3","6","6","5","1") = "5"
    & skf21("6","6","6","3","6","6","6","1") = "5"
    & skf21("6","6","6","3","6","6","7","1") = "6"
    & skf21("6","6","6","3","6","7","1","1") = "6"
    & skf21("6","6","6","3","6","7","2","1") = "6"
    & skf21("6","6","6","3","6","7","3","1") = "6"
    & skf21("6","6","6","3","6","7","4","1") = "6"
    & skf21("6","6","6","3","6","7","5","1") = "6"
    & skf21("6","6","6","3","6","7","6","1") = "6"
    & skf21("6","6","6","3","6","7","7","1") = "6"
    & skf21("6","6","6","3","7","1","1","1") = "6"
    & skf21("6","6","6","3","7","1","2","1") = "6"
    & skf21("6","6","6","3","7","1","3","1") = "6"
    & skf21("6","6","6","3","7","1","4","1") = "6"
    & skf21("6","6","6","3","7","1","5","1") = "6"
    & skf21("6","6","6","3","7","1","6","1") = "6"
    & skf21("6","6","6","3","7","1","7","1") = "6"
    & skf21("6","6","6","3","7","2","1","1") = "6"
    & skf21("6","6","6","3","7","2","2","1") = "6"
    & skf21("6","6","6","3","7","2","3","1") = "6"
    & skf21("6","6","6","3","7","2","4","1") = "6"
    & skf21("6","6","6","3","7","2","5","1") = "6"
    & skf21("6","6","6","3","7","2","6","1") = "6"
    & skf21("6","6","6","3","7","2","7","1") = "6"
    & skf21("6","6","6","3","7","3","1","1") = "6"
    & skf21("6","6","6","3","7","3","2","1") = "6"
    & skf21("6","6","6","3","7","3","3","1") = "6"
    & skf21("6","6","6","3","7","3","4","1") = "6"
    & skf21("6","6","6","3","7","3","5","1") = "6"
    & skf21("6","6","6","3","7","3","6","1") = "6"
    & skf21("6","6","6","3","7","3","7","1") = "6"
    & skf21("6","6","6","3","7","4","1","1") = "6"
    & skf21("6","6","6","3","7","4","2","1") = "6"
    & skf21("6","6","6","3","7","4","3","1") = "6"
    & skf21("6","6","6","3","7","4","4","1") = "6"
    & skf21("6","6","6","3","7","4","5","1") = "6"
    & skf21("6","6","6","3","7","4","6","1") = "6"
    & skf21("6","6","6","3","7","4","7","1") = "6"
    & skf21("6","6","6","3","7","5","1","1") = "6"
    & skf21("6","6","6","3","7","5","2","1") = "6"
    & skf21("6","6","6","3","7","5","3","1") = "6"
    & skf21("6","6","6","3","7","5","4","1") = "6"
    & skf21("6","6","6","3","7","5","5","1") = "6"
    & skf21("6","6","6","3","7","5","6","1") = "6"
    & skf21("6","6","6","3","7","5","7","1") = "6"
    & skf21("6","6","6","3","7","6","1","1") = "6"
    & skf21("6","6","6","3","7","6","2","1") = "6"
    & skf21("6","6","6","3","7","6","3","1") = "6"
    & skf21("6","6","6","3","7","6","4","1") = "6"
    & skf21("6","6","6","3","7","6","5","1") = "6"
    & skf21("6","6","6","3","7","6","6","1") = "6"
    & skf21("6","6","6","3","7","6","7","1") = "6"
    & skf21("6","6","6","3","7","7","1","1") = "6"
    & skf21("6","6","6","3","7","7","2","1") = "6"
    & skf21("6","6","6","3","7","7","3","1") = "6"
    & skf21("6","6","6","3","7","7","4","1") = "6"
    & skf21("6","6","6","3","7","7","5","1") = "6"
    & skf21("6","6","6","3","7","7","6","1") = "6"
    & skf21("6","6","6","3","7","7","7","1") = "6"
    & skf21("6","6","6","4","1","1","1","1") = "5"
    & skf21("6","6","6","4","1","1","2","1") = "5"
    & skf21("6","6","6","4","1","1","3","1") = "5"
    & skf21("6","6","6","4","1","1","4","1") = "5"
    & skf21("6","6","6","4","1","1","5","1") = "5"
    & skf21("6","6","6","4","1","1","6","1") = "5"
    & skf21("6","6","6","4","1","1","7","1") = "6"
    & skf21("6","6","6","4","1","2","1","1") = "5"
    & skf21("6","6","6","4","1","2","2","1") = "5"
    & skf21("6","6","6","4","1","2","3","1") = "5"
    & skf21("6","6","6","4","1","2","4","1") = "5"
    & skf21("6","6","6","4","1","2","5","1") = "5"
    & skf21("6","6","6","4","1","2","6","1") = "5"
    & skf21("6","6","6","4","1","2","7","1") = "6"
    & skf21("6","6","6","4","1","3","1","1") = "5"
    & skf21("6","6","6","4","1","3","2","1") = "5"
    & skf21("6","6","6","4","1","3","3","1") = "5"
    & skf21("6","6","6","4","1","3","4","1") = "5"
    & skf21("6","6","6","4","1","3","5","1") = "5"
    & skf21("6","6","6","4","1","3","6","1") = "5"
    & skf21("6","6","6","4","1","3","7","1") = "6"
    & skf21("6","6","6","4","1","4","1","1") = "5"
    & skf21("6","6","6","4","1","4","2","1") = "5"
    & skf21("6","6","6","4","1","4","3","1") = "5"
    & skf21("6","6","6","4","1","4","4","1") = "5"
    & skf21("6","6","6","4","1","4","5","1") = "5"
    & skf21("6","6","6","4","1","4","6","1") = "5"
    & skf21("6","6","6","4","1","4","7","1") = "6"
    & skf21("6","6","6","4","1","5","1","1") = "5"
    & skf21("6","6","6","4","1","5","2","1") = "5"
    & skf21("6","6","6","4","1","5","3","1") = "5"
    & skf21("6","6","6","4","1","5","4","1") = "5"
    & skf21("6","6","6","4","1","5","5","1") = "5"
    & skf21("6","6","6","4","1","5","6","1") = "5"
    & skf21("6","6","6","4","1","5","7","1") = "6"
    & skf21("6","6","6","4","1","6","1","1") = "5"
    & skf21("6","6","6","4","1","6","2","1") = "5"
    & skf21("6","6","6","4","1","6","3","1") = "5"
    & skf21("6","6","6","4","1","6","4","1") = "5"
    & skf21("6","6","6","4","1","6","5","1") = "5"
    & skf21("6","6","6","4","1","6","6","1") = "5"
    & skf21("6","6","6","4","1","6","7","1") = "6"
    & skf21("6","6","6","4","1","7","1","1") = "6"
    & skf21("6","6","6","4","1","7","2","1") = "6"
    & skf21("6","6","6","4","1","7","3","1") = "6"
    & skf21("6","6","6","4","1","7","4","1") = "6"
    & skf21("6","6","6","4","1","7","5","1") = "6"
    & skf21("6","6","6","4","1","7","6","1") = "6"
    & skf21("6","6","6","4","1","7","7","1") = "6"
    & skf21("6","6","6","4","2","1","1","1") = "5"
    & skf21("6","6","6","4","2","1","2","1") = "5"
    & skf21("6","6","6","4","2","1","3","1") = "5"
    & skf21("6","6","6","4","2","1","4","1") = "5"
    & skf21("6","6","6","4","2","1","5","1") = "5"
    & skf21("6","6","6","4","2","1","6","1") = "5"
    & skf21("6","6","6","4","2","1","7","1") = "6"
    & skf21("6","6","6","4","2","2","1","1") = "5"
    & skf21("6","6","6","4","2","2","2","1") = "5"
    & skf21("6","6","6","4","2","2","3","1") = "5"
    & skf21("6","6","6","4","2","2","4","1") = "5"
    & skf21("6","6","6","4","2","2","5","1") = "5"
    & skf21("6","6","6","4","2","2","6","1") = "5"
    & skf21("6","6","6","4","2","2","7","1") = "6"
    & skf21("6","6","6","4","2","3","1","1") = "5"
    & skf21("6","6","6","4","2","3","2","1") = "5"
    & skf21("6","6","6","4","2","3","3","1") = "5"
    & skf21("6","6","6","4","2","3","4","1") = "5"
    & skf21("6","6","6","4","2","3","5","1") = "5"
    & skf21("6","6","6","4","2","3","6","1") = "5"
    & skf21("6","6","6","4","2","3","7","1") = "6"
    & skf21("6","6","6","4","2","4","1","1") = "5"
    & skf21("6","6","6","4","2","4","2","1") = "5"
    & skf21("6","6","6","4","2","4","3","1") = "5"
    & skf21("6","6","6","4","2","4","4","1") = "5"
    & skf21("6","6","6","4","2","4","5","1") = "5"
    & skf21("6","6","6","4","2","4","6","1") = "5"
    & skf21("6","6","6","4","2","4","7","1") = "6"
    & skf21("6","6","6","4","2","5","1","1") = "5"
    & skf21("6","6","6","4","2","5","2","1") = "5"
    & skf21("6","6","6","4","2","5","3","1") = "5"
    & skf21("6","6","6","4","2","5","4","1") = "5"
    & skf21("6","6","6","4","2","5","5","1") = "5"
    & skf21("6","6","6","4","2","5","6","1") = "5"
    & skf21("6","6","6","4","2","5","7","1") = "6"
    & skf21("6","6","6","4","2","6","1","1") = "5"
    & skf21("6","6","6","4","2","6","2","1") = "5"
    & skf21("6","6","6","4","2","6","3","1") = "5"
    & skf21("6","6","6","4","2","6","4","1") = "5"
    & skf21("6","6","6","4","2","6","5","1") = "5"
    & skf21("6","6","6","4","2","6","6","1") = "5"
    & skf21("6","6","6","4","2","6","7","1") = "6"
    & skf21("6","6","6","4","2","7","1","1") = "6"
    & skf21("6","6","6","4","2","7","2","1") = "6"
    & skf21("6","6","6","4","2","7","3","1") = "6"
    & skf21("6","6","6","4","2","7","4","1") = "6"
    & skf21("6","6","6","4","2","7","5","1") = "6"
    & skf21("6","6","6","4","2","7","6","1") = "6"
    & skf21("6","6","6","4","2","7","7","1") = "6"
    & skf21("6","6","6","4","3","1","1","1") = "5"
    & skf21("6","6","6","4","3","1","2","1") = "5"
    & skf21("6","6","6","4","3","1","3","1") = "5"
    & skf21("6","6","6","4","3","1","4","1") = "5"
    & skf21("6","6","6","4","3","1","5","1") = "5"
    & skf21("6","6","6","4","3","1","6","1") = "5"
    & skf21("6","6","6","4","3","1","7","1") = "6"
    & skf21("6","6","6","4","3","2","1","1") = "5"
    & skf21("6","6","6","4","3","2","2","1") = "5"
    & skf21("6","6","6","4","3","2","3","1") = "5"
    & skf21("6","6","6","4","3","2","4","1") = "5"
    & skf21("6","6","6","4","3","2","5","1") = "5"
    & skf21("6","6","6","4","3","2","6","1") = "5"
    & skf21("6","6","6","4","3","2","7","1") = "6"
    & skf21("6","6","6","4","3","3","1","1") = "5"
    & skf21("6","6","6","4","3","3","2","1") = "5"
    & skf21("6","6","6","4","3","3","3","1") = "5"
    & skf21("6","6","6","4","3","3","4","1") = "5"
    & skf21("6","6","6","4","3","3","5","1") = "5"
    & skf21("6","6","6","4","3","3","6","1") = "5"
    & skf21("6","6","6","4","3","3","7","1") = "6"
    & skf21("6","6","6","4","3","4","1","1") = "5"
    & skf21("6","6","6","4","3","4","2","1") = "5"
    & skf21("6","6","6","4","3","4","3","1") = "5"
    & skf21("6","6","6","4","3","4","4","1") = "5"
    & skf21("6","6","6","4","3","4","5","1") = "5"
    & skf21("6","6","6","4","3","4","6","1") = "5"
    & skf21("6","6","6","4","3","4","7","1") = "6"
    & skf21("6","6","6","4","3","5","1","1") = "5"
    & skf21("6","6","6","4","3","5","2","1") = "5"
    & skf21("6","6","6","4","3","5","3","1") = "5"
    & skf21("6","6","6","4","3","5","4","1") = "5"
    & skf21("6","6","6","4","3","5","5","1") = "5"
    & skf21("6","6","6","4","3","5","6","1") = "5"
    & skf21("6","6","6","4","3","5","7","1") = "6"
    & skf21("6","6","6","4","3","6","1","1") = "5"
    & skf21("6","6","6","4","3","6","2","1") = "5"
    & skf21("6","6","6","4","3","6","3","1") = "5"
    & skf21("6","6","6","4","3","6","4","1") = "5"
    & skf21("6","6","6","4","3","6","5","1") = "5"
    & skf21("6","6","6","4","3","6","6","1") = "5"
    & skf21("6","6","6","4","3","6","7","1") = "6"
    & skf21("6","6","6","4","3","7","1","1") = "6"
    & skf21("6","6","6","4","3","7","2","1") = "6"
    & skf21("6","6","6","4","3","7","3","1") = "6"
    & skf21("6","6","6","4","3","7","4","1") = "6"
    & skf21("6","6","6","4","3","7","5","1") = "6"
    & skf21("6","6","6","4","3","7","6","1") = "6"
    & skf21("6","6","6","4","3","7","7","1") = "6"
    & skf21("6","6","6","4","4","1","1","1") = "5"
    & skf21("6","6","6","4","4","1","2","1") = "5"
    & skf21("6","6","6","4","4","1","3","1") = "5"
    & skf21("6","6","6","4","4","1","4","1") = "5"
    & skf21("6","6","6","4","4","1","5","1") = "5"
    & skf21("6","6","6","4","4","1","6","1") = "5"
    & skf21("6","6","6","4","4","1","7","1") = "6"
    & skf21("6","6","6","4","4","2","1","1") = "5"
    & skf21("6","6","6","4","4","2","2","1") = "5"
    & skf21("6","6","6","4","4","2","3","1") = "5"
    & skf21("6","6","6","4","4","2","4","1") = "5"
    & skf21("6","6","6","4","4","2","5","1") = "5"
    & skf21("6","6","6","4","4","2","6","1") = "5"
    & skf21("6","6","6","4","4","2","7","1") = "6"
    & skf21("6","6","6","4","4","3","1","1") = "5"
    & skf21("6","6","6","4","4","3","2","1") = "5"
    & skf21("6","6","6","4","4","3","3","1") = "5"
    & skf21("6","6","6","4","4","3","4","1") = "5"
    & skf21("6","6","6","4","4","3","5","1") = "5"
    & skf21("6","6","6","4","4","3","6","1") = "5"
    & skf21("6","6","6","4","4","3","7","1") = "6"
    & skf21("6","6","6","4","4","4","1","1") = "5"
    & skf21("6","6","6","4","4","4","2","1") = "5"
    & skf21("6","6","6","4","4","4","3","1") = "5"
    & skf21("6","6","6","4","4","4","4","1") = "5"
    & skf21("6","6","6","4","4","4","5","1") = "5"
    & skf21("6","6","6","4","4","4","6","1") = "5"
    & skf21("6","6","6","4","4","4","7","1") = "6"
    & skf21("6","6","6","4","4","5","1","1") = "5"
    & skf21("6","6","6","4","4","5","2","1") = "5"
    & skf21("6","6","6","4","4","5","3","1") = "5"
    & skf21("6","6","6","4","4","5","4","1") = "5"
    & skf21("6","6","6","4","4","5","5","1") = "5"
    & skf21("6","6","6","4","4","5","6","1") = "5"
    & skf21("6","6","6","4","4","5","7","1") = "6"
    & skf21("6","6","6","4","4","6","1","1") = "5"
    & skf21("6","6","6","4","4","6","2","1") = "5"
    & skf21("6","6","6","4","4","6","3","1") = "5"
    & skf21("6","6","6","4","4","6","4","1") = "5"
    & skf21("6","6","6","4","4","6","5","1") = "5"
    & skf21("6","6","6","4","4","6","6","1") = "5"
    & skf21("6","6","6","4","4","6","7","1") = "6"
    & skf21("6","6","6","4","4","7","1","1") = "6"
    & skf21("6","6","6","4","4","7","2","1") = "6"
    & skf21("6","6","6","4","4","7","3","1") = "6"
    & skf21("6","6","6","4","4","7","4","1") = "6"
    & skf21("6","6","6","4","4","7","5","1") = "6"
    & skf21("6","6","6","4","4","7","6","1") = "6"
    & skf21("6","6","6","4","4","7","7","1") = "6"
    & skf21("6","6","6","4","5","1","1","1") = "5"
    & skf21("6","6","6","4","5","1","2","1") = "5"
    & skf21("6","6","6","4","5","1","3","1") = "5"
    & skf21("6","6","6","4","5","1","4","1") = "5"
    & skf21("6","6","6","4","5","1","5","1") = "5"
    & skf21("6","6","6","4","5","1","6","1") = "5"
    & skf21("6","6","6","4","5","1","7","1") = "6"
    & skf21("6","6","6","4","5","2","1","1") = "5"
    & skf21("6","6","6","4","5","2","2","1") = "5"
    & skf21("6","6","6","4","5","2","3","1") = "5"
    & skf21("6","6","6","4","5","2","4","1") = "5"
    & skf21("6","6","6","4","5","2","5","1") = "5"
    & skf21("6","6","6","4","5","2","6","1") = "5"
    & skf21("6","6","6","4","5","2","7","1") = "6"
    & skf21("6","6","6","4","5","3","1","1") = "5"
    & skf21("6","6","6","4","5","3","2","1") = "5"
    & skf21("6","6","6","4","5","3","3","1") = "5"
    & skf21("6","6","6","4","5","3","4","1") = "5"
    & skf21("6","6","6","4","5","3","5","1") = "5"
    & skf21("6","6","6","4","5","3","6","1") = "5"
    & skf21("6","6","6","4","5","3","7","1") = "6"
    & skf21("6","6","6","4","5","4","1","1") = "5"
    & skf21("6","6","6","4","5","4","2","1") = "5"
    & skf21("6","6","6","4","5","4","3","1") = "5"
    & skf21("6","6","6","4","5","4","4","1") = "5"
    & skf21("6","6","6","4","5","4","5","1") = "5"
    & skf21("6","6","6","4","5","4","6","1") = "5"
    & skf21("6","6","6","4","5","4","7","1") = "6"
    & skf21("6","6","6","4","5","5","1","1") = "5"
    & skf21("6","6","6","4","5","5","2","1") = "5"
    & skf21("6","6","6","4","5","5","3","1") = "5"
    & skf21("6","6","6","4","5","5","4","1") = "5"
    & skf21("6","6","6","4","5","5","5","1") = "5"
    & skf21("6","6","6","4","5","5","6","1") = "5"
    & skf21("6","6","6","4","5","5","7","1") = "6"
    & skf21("6","6","6","4","5","6","1","1") = "5"
    & skf21("6","6","6","4","5","6","2","1") = "5"
    & skf21("6","6","6","4","5","6","3","1") = "5"
    & skf21("6","6","6","4","5","6","4","1") = "5"
    & skf21("6","6","6","4","5","6","5","1") = "5"
    & skf21("6","6","6","4","5","6","6","1") = "5"
    & skf21("6","6","6","4","5","6","7","1") = "6"
    & skf21("6","6","6","4","5","7","1","1") = "6"
    & skf21("6","6","6","4","5","7","2","1") = "6"
    & skf21("6","6","6","4","5","7","3","1") = "6"
    & skf21("6","6","6","4","5","7","4","1") = "6"
    & skf21("6","6","6","4","5","7","5","1") = "6"
    & skf21("6","6","6","4","5","7","6","1") = "6"
    & skf21("6","6","6","4","5","7","7","1") = "6"
    & skf21("6","6","6","4","6","1","1","1") = "5"
    & skf21("6","6","6","4","6","1","2","1") = "5"
    & skf21("6","6","6","4","6","1","3","1") = "5"
    & skf21("6","6","6","4","6","1","4","1") = "5"
    & skf21("6","6","6","4","6","1","5","1") = "5"
    & skf21("6","6","6","4","6","1","6","1") = "5"
    & skf21("6","6","6","4","6","1","7","1") = "6"
    & skf21("6","6","6","4","6","2","1","1") = "5"
    & skf21("6","6","6","4","6","2","2","1") = "5"
    & skf21("6","6","6","4","6","2","3","1") = "5"
    & skf21("6","6","6","4","6","2","4","1") = "5"
    & skf21("6","6","6","4","6","2","5","1") = "5"
    & skf21("6","6","6","4","6","2","6","1") = "5"
    & skf21("6","6","6","4","6","2","7","1") = "6"
    & skf21("6","6","6","4","6","3","1","1") = "5"
    & skf21("6","6","6","4","6","3","2","1") = "5"
    & skf21("6","6","6","4","6","3","3","1") = "5"
    & skf21("6","6","6","4","6","3","4","1") = "5"
    & skf21("6","6","6","4","6","3","5","1") = "5"
    & skf21("6","6","6","4","6","3","6","1") = "5"
    & skf21("6","6","6","4","6","3","7","1") = "6"
    & skf21("6","6","6","4","6","4","1","1") = "5"
    & skf21("6","6","6","4","6","4","2","1") = "5"
    & skf21("6","6","6","4","6","4","3","1") = "5"
    & skf21("6","6","6","4","6","4","4","1") = "5"
    & skf21("6","6","6","4","6","4","5","1") = "5"
    & skf21("6","6","6","4","6","4","6","1") = "5"
    & skf21("6","6","6","4","6","4","7","1") = "6"
    & skf21("6","6","6","4","6","5","1","1") = "5"
    & skf21("6","6","6","4","6","5","2","1") = "5"
    & skf21("6","6","6","4","6","5","3","1") = "5"
    & skf21("6","6","6","4","6","5","4","1") = "5"
    & skf21("6","6","6","4","6","5","5","1") = "5"
    & skf21("6","6","6","4","6","5","6","1") = "5"
    & skf21("6","6","6","4","6","5","7","1") = "6"
    & skf21("6","6","6","4","6","6","1","1") = "5"
    & skf21("6","6","6","4","6","6","2","1") = "5"
    & skf21("6","6","6","4","6","6","3","1") = "5"
    & skf21("6","6","6","4","6","6","4","1") = "5"
    & skf21("6","6","6","4","6","6","5","1") = "5"
    & skf21("6","6","6","4","6","6","6","1") = "5"
    & skf21("6","6","6","4","6","6","7","1") = "6"
    & skf21("6","6","6","4","6","7","1","1") = "6"
    & skf21("6","6","6","4","6","7","2","1") = "6"
    & skf21("6","6","6","4","6","7","3","1") = "6"
    & skf21("6","6","6","4","6","7","4","1") = "6"
    & skf21("6","6","6","4","6","7","5","1") = "6"
    & skf21("6","6","6","4","6","7","6","1") = "6"
    & skf21("6","6","6","4","6","7","7","1") = "6"
    & skf21("6","6","6","4","7","1","1","1") = "6"
    & skf21("6","6","6","4","7","1","2","1") = "6"
    & skf21("6","6","6","4","7","1","3","1") = "6"
    & skf21("6","6","6","4","7","1","4","1") = "6"
    & skf21("6","6","6","4","7","1","5","1") = "6"
    & skf21("6","6","6","4","7","1","6","1") = "6"
    & skf21("6","6","6","4","7","1","7","1") = "6"
    & skf21("6","6","6","4","7","2","1","1") = "6"
    & skf21("6","6","6","4","7","2","2","1") = "6"
    & skf21("6","6","6","4","7","2","3","1") = "6"
    & skf21("6","6","6","4","7","2","4","1") = "6"
    & skf21("6","6","6","4","7","2","5","1") = "6"
    & skf21("6","6","6","4","7","2","6","1") = "6"
    & skf21("6","6","6","4","7","2","7","1") = "6"
    & skf21("6","6","6","4","7","3","1","1") = "6"
    & skf21("6","6","6","4","7","3","2","1") = "6"
    & skf21("6","6","6","4","7","3","3","1") = "6"
    & skf21("6","6","6","4","7","3","4","1") = "6"
    & skf21("6","6","6","4","7","3","5","1") = "6"
    & skf21("6","6","6","4","7","3","6","1") = "6"
    & skf21("6","6","6","4","7","3","7","1") = "6"
    & skf21("6","6","6","4","7","4","1","1") = "6"
    & skf21("6","6","6","4","7","4","2","1") = "6"
    & skf21("6","6","6","4","7","4","3","1") = "6"
    & skf21("6","6","6","4","7","4","4","1") = "6"
    & skf21("6","6","6","4","7","4","5","1") = "6"
    & skf21("6","6","6","4","7","4","6","1") = "6"
    & skf21("6","6","6","4","7","4","7","1") = "6"
    & skf21("6","6","6","4","7","5","1","1") = "6"
    & skf21("6","6","6","4","7","5","2","1") = "6"
    & skf21("6","6","6","4","7","5","3","1") = "6"
    & skf21("6","6","6","4","7","5","4","1") = "6"
    & skf21("6","6","6","4","7","5","5","1") = "6"
    & skf21("6","6","6","4","7","5","6","1") = "6"
    & skf21("6","6","6","4","7","5","7","1") = "6"
    & skf21("6","6","6","4","7","6","1","1") = "6"
    & skf21("6","6","6","4","7","6","2","1") = "6"
    & skf21("6","6","6","4","7","6","3","1") = "6"
    & skf21("6","6","6","4","7","6","4","1") = "6"
    & skf21("6","6","6","4","7","6","5","1") = "6"
    & skf21("6","6","6","4","7","6","6","1") = "6"
    & skf21("6","6","6","4","7","6","7","1") = "6"
    & skf21("6","6","6","4","7","7","1","1") = "6"
    & skf21("6","6","6","4","7","7","2","1") = "6"
    & skf21("6","6","6","4","7","7","3","1") = "6"
    & skf21("6","6","6","4","7","7","4","1") = "6"
    & skf21("6","6","6","4","7","7","5","1") = "6"
    & skf21("6","6","6","4","7","7","6","1") = "6"
    & skf21("6","6","6","4","7","7","7","1") = "6"
    & skf21("6","6","6","5","1","1","1","1") = "5"
    & skf21("6","6","6","5","1","1","2","1") = "5"
    & skf21("6","6","6","5","1","1","3","1") = "5"
    & skf21("6","6","6","5","1","1","4","1") = "5"
    & skf21("6","6","6","5","1","1","5","1") = "5"
    & skf21("6","6","6","5","1","1","6","1") = "5"
    & skf21("6","6","6","5","1","1","7","1") = "6"
    & skf21("6","6","6","5","1","2","1","1") = "5"
    & skf21("6","6","6","5","1","2","2","1") = "5"
    & skf21("6","6","6","5","1","2","3","1") = "5"
    & skf21("6","6","6","5","1","2","4","1") = "5"
    & skf21("6","6","6","5","1","2","5","1") = "5"
    & skf21("6","6","6","5","1","2","6","1") = "5"
    & skf21("6","6","6","5","1","2","7","1") = "6"
    & skf21("6","6","6","5","1","3","1","1") = "5"
    & skf21("6","6","6","5","1","3","2","1") = "5"
    & skf21("6","6","6","5","1","3","3","1") = "5"
    & skf21("6","6","6","5","1","3","4","1") = "5"
    & skf21("6","6","6","5","1","3","5","1") = "5"
    & skf21("6","6","6","5","1","3","6","1") = "5"
    & skf21("6","6","6","5","1","3","7","1") = "6"
    & skf21("6","6","6","5","1","4","1","1") = "5"
    & skf21("6","6","6","5","1","4","2","1") = "5"
    & skf21("6","6","6","5","1","4","3","1") = "5"
    & skf21("6","6","6","5","1","4","4","1") = "5"
    & skf21("6","6","6","5","1","4","5","1") = "5"
    & skf21("6","6","6","5","1","4","6","1") = "5"
    & skf21("6","6","6","5","1","4","7","1") = "6"
    & skf21("6","6","6","5","1","5","1","1") = "5"
    & skf21("6","6","6","5","1","5","2","1") = "5"
    & skf21("6","6","6","5","1","5","3","1") = "5"
    & skf21("6","6","6","5","1","5","4","1") = "5"
    & skf21("6","6","6","5","1","5","5","1") = "5"
    & skf21("6","6","6","5","1","5","6","1") = "5"
    & skf21("6","6","6","5","1","5","7","1") = "6"
    & skf21("6","6","6","5","1","6","1","1") = "5"
    & skf21("6","6","6","5","1","6","2","1") = "5"
    & skf21("6","6","6","5","1","6","3","1") = "5"
    & skf21("6","6","6","5","1","6","4","1") = "5"
    & skf21("6","6","6","5","1","6","5","1") = "5"
    & skf21("6","6","6","5","1","6","6","1") = "5"
    & skf21("6","6","6","5","1","6","7","1") = "6"
    & skf21("6","6","6","5","1","7","1","1") = "6"
    & skf21("6","6","6","5","1","7","2","1") = "6"
    & skf21("6","6","6","5","1","7","3","1") = "6"
    & skf21("6","6","6","5","1","7","4","1") = "6"
    & skf21("6","6","6","5","1","7","5","1") = "6"
    & skf21("6","6","6","5","1","7","6","1") = "6"
    & skf21("6","6","6","5","1","7","7","1") = "6"
    & skf21("6","6","6","5","2","1","1","1") = "5"
    & skf21("6","6","6","5","2","1","2","1") = "5"
    & skf21("6","6","6","5","2","1","3","1") = "5"
    & skf21("6","6","6","5","2","1","4","1") = "5"
    & skf21("6","6","6","5","2","1","5","1") = "5"
    & skf21("6","6","6","5","2","1","6","1") = "5"
    & skf21("6","6","6","5","2","1","7","1") = "6"
    & skf21("6","6","6","5","2","2","1","1") = "5"
    & skf21("6","6","6","5","2","2","2","1") = "5"
    & skf21("6","6","6","5","2","2","3","1") = "5"
    & skf21("6","6","6","5","2","2","4","1") = "5"
    & skf21("6","6","6","5","2","2","5","1") = "5"
    & skf21("6","6","6","5","2","2","6","1") = "5"
    & skf21("6","6","6","5","2","2","7","1") = "6"
    & skf21("6","6","6","5","2","3","1","1") = "5"
    & skf21("6","6","6","5","2","3","2","1") = "5"
    & skf21("6","6","6","5","2","3","3","1") = "5"
    & skf21("6","6","6","5","2","3","4","1") = "5"
    & skf21("6","6","6","5","2","3","5","1") = "5"
    & skf21("6","6","6","5","2","3","6","1") = "5"
    & skf21("6","6","6","5","2","3","7","1") = "6"
    & skf21("6","6","6","5","2","4","1","1") = "5"
    & skf21("6","6","6","5","2","4","2","1") = "5"
    & skf21("6","6","6","5","2","4","3","1") = "5"
    & skf21("6","6","6","5","2","4","4","1") = "5"
    & skf21("6","6","6","5","2","4","5","1") = "5"
    & skf21("6","6","6","5","2","4","6","1") = "5"
    & skf21("6","6","6","5","2","4","7","1") = "6"
    & skf21("6","6","6","5","2","5","1","1") = "5"
    & skf21("6","6","6","5","2","5","2","1") = "5"
    & skf21("6","6","6","5","2","5","3","1") = "5"
    & skf21("6","6","6","5","2","5","4","1") = "5"
    & skf21("6","6","6","5","2","5","5","1") = "5"
    & skf21("6","6","6","5","2","5","6","1") = "5"
    & skf21("6","6","6","5","2","5","7","1") = "6"
    & skf21("6","6","6","5","2","6","1","1") = "5"
    & skf21("6","6","6","5","2","6","2","1") = "5"
    & skf21("6","6","6","5","2","6","3","1") = "5"
    & skf21("6","6","6","5","2","6","4","1") = "5"
    & skf21("6","6","6","5","2","6","5","1") = "5"
    & skf21("6","6","6","5","2","6","6","1") = "5"
    & skf21("6","6","6","5","2","6","7","1") = "6"
    & skf21("6","6","6","5","2","7","1","1") = "6"
    & skf21("6","6","6","5","2","7","2","1") = "6"
    & skf21("6","6","6","5","2","7","3","1") = "6"
    & skf21("6","6","6","5","2","7","4","1") = "6"
    & skf21("6","6","6","5","2","7","5","1") = "6"
    & skf21("6","6","6","5","2","7","6","1") = "6"
    & skf21("6","6","6","5","2","7","7","1") = "6"
    & skf21("6","6","6","5","3","1","1","1") = "5"
    & skf21("6","6","6","5","3","1","2","1") = "5"
    & skf21("6","6","6","5","3","1","3","1") = "5"
    & skf21("6","6","6","5","3","1","4","1") = "5"
    & skf21("6","6","6","5","3","1","5","1") = "5"
    & skf21("6","6","6","5","3","1","6","1") = "5"
    & skf21("6","6","6","5","3","1","7","1") = "6"
    & skf21("6","6","6","5","3","2","1","1") = "5"
    & skf21("6","6","6","5","3","2","2","1") = "5"
    & skf21("6","6","6","5","3","2","3","1") = "5"
    & skf21("6","6","6","5","3","2","4","1") = "5"
    & skf21("6","6","6","5","3","2","5","1") = "5"
    & skf21("6","6","6","5","3","2","6","1") = "5"
    & skf21("6","6","6","5","3","2","7","1") = "6"
    & skf21("6","6","6","5","3","3","1","1") = "5"
    & skf21("6","6","6","5","3","3","2","1") = "5"
    & skf21("6","6","6","5","3","3","3","1") = "5"
    & skf21("6","6","6","5","3","3","4","1") = "5"
    & skf21("6","6","6","5","3","3","5","1") = "5"
    & skf21("6","6","6","5","3","3","6","1") = "5"
    & skf21("6","6","6","5","3","3","7","1") = "6"
    & skf21("6","6","6","5","3","4","1","1") = "5"
    & skf21("6","6","6","5","3","4","2","1") = "5"
    & skf21("6","6","6","5","3","4","3","1") = "5"
    & skf21("6","6","6","5","3","4","4","1") = "5"
    & skf21("6","6","6","5","3","4","5","1") = "5"
    & skf21("6","6","6","5","3","4","6","1") = "5"
    & skf21("6","6","6","5","3","4","7","1") = "6"
    & skf21("6","6","6","5","3","5","1","1") = "5"
    & skf21("6","6","6","5","3","5","2","1") = "5"
    & skf21("6","6","6","5","3","5","3","1") = "5"
    & skf21("6","6","6","5","3","5","4","1") = "5"
    & skf21("6","6","6","5","3","5","5","1") = "5"
    & skf21("6","6","6","5","3","5","6","1") = "5"
    & skf21("6","6","6","5","3","5","7","1") = "6"
    & skf21("6","6","6","5","3","6","1","1") = "5"
    & skf21("6","6","6","5","3","6","2","1") = "5"
    & skf21("6","6","6","5","3","6","3","1") = "5"
    & skf21("6","6","6","5","3","6","4","1") = "5"
    & skf21("6","6","6","5","3","6","5","1") = "5"
    & skf21("6","6","6","5","3","6","6","1") = "5"
    & skf21("6","6","6","5","3","6","7","1") = "6"
    & skf21("6","6","6","5","3","7","1","1") = "6"
    & skf21("6","6","6","5","3","7","2","1") = "6"
    & skf21("6","6","6","5","3","7","3","1") = "6"
    & skf21("6","6","6","5","3","7","4","1") = "6"
    & skf21("6","6","6","5","3","7","5","1") = "6"
    & skf21("6","6","6","5","3","7","6","1") = "6"
    & skf21("6","6","6","5","3","7","7","1") = "6"
    & skf21("6","6","6","5","4","1","1","1") = "5"
    & skf21("6","6","6","5","4","1","2","1") = "5"
    & skf21("6","6","6","5","4","1","3","1") = "5"
    & skf21("6","6","6","5","4","1","4","1") = "5"
    & skf21("6","6","6","5","4","1","5","1") = "5"
    & skf21("6","6","6","5","4","1","6","1") = "5"
    & skf21("6","6","6","5","4","1","7","1") = "6"
    & skf21("6","6","6","5","4","2","1","1") = "5"
    & skf21("6","6","6","5","4","2","2","1") = "5"
    & skf21("6","6","6","5","4","2","3","1") = "5"
    & skf21("6","6","6","5","4","2","4","1") = "5"
    & skf21("6","6","6","5","4","2","5","1") = "5"
    & skf21("6","6","6","5","4","2","6","1") = "5"
    & skf21("6","6","6","5","4","2","7","1") = "6"
    & skf21("6","6","6","5","4","3","1","1") = "5"
    & skf21("6","6","6","5","4","3","2","1") = "5"
    & skf21("6","6","6","5","4","3","3","1") = "5"
    & skf21("6","6","6","5","4","3","4","1") = "5"
    & skf21("6","6","6","5","4","3","5","1") = "5"
    & skf21("6","6","6","5","4","3","6","1") = "5"
    & skf21("6","6","6","5","4","3","7","1") = "6"
    & skf21("6","6","6","5","4","4","1","1") = "5"
    & skf21("6","6","6","5","4","4","2","1") = "5"
    & skf21("6","6","6","5","4","4","3","1") = "5"
    & skf21("6","6","6","5","4","4","4","1") = "5"
    & skf21("6","6","6","5","4","4","5","1") = "5"
    & skf21("6","6","6","5","4","4","6","1") = "5"
    & skf21("6","6","6","5","4","4","7","1") = "6"
    & skf21("6","6","6","5","4","5","1","1") = "5"
    & skf21("6","6","6","5","4","5","2","1") = "5"
    & skf21("6","6","6","5","4","5","3","1") = "5"
    & skf21("6","6","6","5","4","5","4","1") = "5"
    & skf21("6","6","6","5","4","5","5","1") = "5"
    & skf21("6","6","6","5","4","5","6","1") = "5"
    & skf21("6","6","6","5","4","5","7","1") = "6"
    & skf21("6","6","6","5","4","6","1","1") = "5"
    & skf21("6","6","6","5","4","6","2","1") = "5"
    & skf21("6","6","6","5","4","6","3","1") = "5"
    & skf21("6","6","6","5","4","6","4","1") = "5"
    & skf21("6","6","6","5","4","6","5","1") = "5"
    & skf21("6","6","6","5","4","6","6","1") = "5"
    & skf21("6","6","6","5","4","6","7","1") = "6"
    & skf21("6","6","6","5","4","7","1","1") = "6"
    & skf21("6","6","6","5","4","7","2","1") = "6"
    & skf21("6","6","6","5","4","7","3","1") = "6"
    & skf21("6","6","6","5","4","7","4","1") = "6"
    & skf21("6","6","6","5","4","7","5","1") = "6"
    & skf21("6","6","6","5","4","7","6","1") = "6"
    & skf21("6","6","6","5","4","7","7","1") = "6"
    & skf21("6","6","6","5","5","1","1","1") = "5"
    & skf21("6","6","6","5","5","1","2","1") = "5"
    & skf21("6","6","6","5","5","1","3","1") = "5"
    & skf21("6","6","6","5","5","1","4","1") = "5"
    & skf21("6","6","6","5","5","1","5","1") = "5"
    & skf21("6","6","6","5","5","1","6","1") = "5"
    & skf21("6","6","6","5","5","1","7","1") = "6"
    & skf21("6","6","6","5","5","2","1","1") = "5"
    & skf21("6","6","6","5","5","2","2","1") = "5"
    & skf21("6","6","6","5","5","2","3","1") = "5"
    & skf21("6","6","6","5","5","2","4","1") = "5"
    & skf21("6","6","6","5","5","2","5","1") = "5"
    & skf21("6","6","6","5","5","2","6","1") = "5"
    & skf21("6","6","6","5","5","2","7","1") = "6"
    & skf21("6","6","6","5","5","3","1","1") = "5"
    & skf21("6","6","6","5","5","3","2","1") = "5"
    & skf21("6","6","6","5","5","3","3","1") = "5"
    & skf21("6","6","6","5","5","3","4","1") = "5"
    & skf21("6","6","6","5","5","3","5","1") = "5"
    & skf21("6","6","6","5","5","3","6","1") = "5"
    & skf21("6","6","6","5","5","3","7","1") = "6"
    & skf21("6","6","6","5","5","4","1","1") = "5"
    & skf21("6","6","6","5","5","4","2","1") = "5"
    & skf21("6","6","6","5","5","4","3","1") = "5"
    & skf21("6","6","6","5","5","4","4","1") = "5"
    & skf21("6","6","6","5","5","4","5","1") = "5"
    & skf21("6","6","6","5","5","4","6","1") = "5"
    & skf21("6","6","6","5","5","4","7","1") = "6"
    & skf21("6","6","6","5","5","5","1","1") = "5"
    & skf21("6","6","6","5","5","5","2","1") = "5"
    & skf21("6","6","6","5","5","5","3","1") = "5"
    & skf21("6","6","6","5","5","5","4","1") = "5"
    & skf21("6","6","6","5","5","5","5","1") = "5"
    & skf21("6","6","6","5","5","5","6","1") = "5"
    & skf21("6","6","6","5","5","5","7","1") = "6"
    & skf21("6","6","6","5","5","6","1","1") = "5"
    & skf21("6","6","6","5","5","6","2","1") = "5"
    & skf21("6","6","6","5","5","6","3","1") = "5"
    & skf21("6","6","6","5","5","6","4","1") = "5"
    & skf21("6","6","6","5","5","6","5","1") = "5"
    & skf21("6","6","6","5","5","6","6","1") = "5"
    & skf21("6","6","6","5","5","6","7","1") = "6"
    & skf21("6","6","6","5","5","7","1","1") = "6"
    & skf21("6","6","6","5","5","7","2","1") = "6"
    & skf21("6","6","6","5","5","7","3","1") = "6"
    & skf21("6","6","6","5","5","7","4","1") = "6"
    & skf21("6","6","6","5","5","7","5","1") = "6"
    & skf21("6","6","6","5","5","7","6","1") = "6"
    & skf21("6","6","6","5","5","7","7","1") = "6"
    & skf21("6","6","6","5","6","1","1","1") = "5"
    & skf21("6","6","6","5","6","1","2","1") = "5"
    & skf21("6","6","6","5","6","1","3","1") = "5"
    & skf21("6","6","6","5","6","1","4","1") = "5"
    & skf21("6","6","6","5","6","1","5","1") = "5"
    & skf21("6","6","6","5","6","1","6","1") = "5"
    & skf21("6","6","6","5","6","1","7","1") = "6"
    & skf21("6","6","6","5","6","2","1","1") = "5"
    & skf21("6","6","6","5","6","2","2","1") = "5"
    & skf21("6","6","6","5","6","2","3","1") = "5"
    & skf21("6","6","6","5","6","2","4","1") = "5"
    & skf21("6","6","6","5","6","2","5","1") = "5"
    & skf21("6","6","6","5","6","2","6","1") = "5"
    & skf21("6","6","6","5","6","2","7","1") = "6"
    & skf21("6","6","6","5","6","3","1","1") = "5"
    & skf21("6","6","6","5","6","3","2","1") = "5"
    & skf21("6","6","6","5","6","3","3","1") = "5"
    & skf21("6","6","6","5","6","3","4","1") = "5"
    & skf21("6","6","6","5","6","3","5","1") = "5"
    & skf21("6","6","6","5","6","3","6","1") = "5"
    & skf21("6","6","6","5","6","3","7","1") = "6"
    & skf21("6","6","6","5","6","4","1","1") = "5"
    & skf21("6","6","6","5","6","4","2","1") = "5"
    & skf21("6","6","6","5","6","4","3","1") = "5"
    & skf21("6","6","6","5","6","4","4","1") = "5"
    & skf21("6","6","6","5","6","4","5","1") = "5"
    & skf21("6","6","6","5","6","4","6","1") = "5"
    & skf21("6","6","6","5","6","4","7","1") = "6"
    & skf21("6","6","6","5","6","5","1","1") = "5"
    & skf21("6","6","6","5","6","5","2","1") = "5"
    & skf21("6","6","6","5","6","5","3","1") = "5"
    & skf21("6","6","6","5","6","5","4","1") = "5"
    & skf21("6","6","6","5","6","5","5","1") = "5"
    & skf21("6","6","6","5","6","5","6","1") = "5"
    & skf21("6","6","6","5","6","5","7","1") = "6"
    & skf21("6","6","6","5","6","6","1","1") = "5"
    & skf21("6","6","6","5","6","6","2","1") = "5"
    & skf21("6","6","6","5","6","6","3","1") = "5"
    & skf21("6","6","6","5","6","6","4","1") = "5"
    & skf21("6","6","6","5","6","6","5","1") = "5"
    & skf21("6","6","6","5","6","6","6","1") = "5"
    & skf21("6","6","6","5","6","6","7","1") = "6"
    & skf21("6","6","6","5","6","7","1","1") = "6"
    & skf21("6","6","6","5","6","7","2","1") = "6"
    & skf21("6","6","6","5","6","7","3","1") = "6"
    & skf21("6","6","6","5","6","7","4","1") = "6"
    & skf21("6","6","6","5","6","7","5","1") = "6"
    & skf21("6","6","6","5","6","7","6","1") = "6"
    & skf21("6","6","6","5","6","7","7","1") = "6"
    & skf21("6","6","6","5","7","1","1","1") = "6"
    & skf21("6","6","6","5","7","1","2","1") = "6"
    & skf21("6","6","6","5","7","1","3","1") = "6"
    & skf21("6","6","6","5","7","1","4","1") = "6"
    & skf21("6","6","6","5","7","1","5","1") = "6"
    & skf21("6","6","6","5","7","1","6","1") = "6"
    & skf21("6","6","6","5","7","1","7","1") = "6"
    & skf21("6","6","6","5","7","2","1","1") = "6"
    & skf21("6","6","6","5","7","2","2","1") = "6"
    & skf21("6","6","6","5","7","2","3","1") = "6"
    & skf21("6","6","6","5","7","2","4","1") = "6"
    & skf21("6","6","6","5","7","2","5","1") = "6"
    & skf21("6","6","6","5","7","2","6","1") = "6"
    & skf21("6","6","6","5","7","2","7","1") = "6"
    & skf21("6","6","6","5","7","3","1","1") = "6"
    & skf21("6","6","6","5","7","3","2","1") = "6"
    & skf21("6","6","6","5","7","3","3","1") = "6"
    & skf21("6","6","6","5","7","3","4","1") = "6"
    & skf21("6","6","6","5","7","3","5","1") = "6"
    & skf21("6","6","6","5","7","3","6","1") = "6"
    & skf21("6","6","6","5","7","3","7","1") = "6"
    & skf21("6","6","6","5","7","4","1","1") = "6"
    & skf21("6","6","6","5","7","4","2","1") = "6"
    & skf21("6","6","6","5","7","4","3","1") = "6"
    & skf21("6","6","6","5","7","4","4","1") = "6"
    & skf21("6","6","6","5","7","4","5","1") = "6"
    & skf21("6","6","6","5","7","4","6","1") = "6"
    & skf21("6","6","6","5","7","4","7","1") = "6"
    & skf21("6","6","6","5","7","5","1","1") = "6"
    & skf21("6","6","6","5","7","5","2","1") = "6"
    & skf21("6","6","6","5","7","5","3","1") = "6"
    & skf21("6","6","6","5","7","5","4","1") = "6"
    & skf21("6","6","6","5","7","5","5","1") = "6"
    & skf21("6","6","6","5","7","5","6","1") = "6"
    & skf21("6","6","6","5","7","5","7","1") = "6"
    & skf21("6","6","6","5","7","6","1","1") = "6"
    & skf21("6","6","6","5","7","6","2","1") = "6"
    & skf21("6","6","6","5","7","6","3","1") = "6"
    & skf21("6","6","6","5","7","6","4","1") = "6"
    & skf21("6","6","6","5","7","6","5","1") = "6"
    & skf21("6","6","6","5","7","6","6","1") = "6"
    & skf21("6","6","6","5","7","6","7","1") = "6"
    & skf21("6","6","6","5","7","7","1","1") = "6"
    & skf21("6","6","6","5","7","7","2","1") = "6"
    & skf21("6","6","6","5","7","7","3","1") = "6"
    & skf21("6","6","6","5","7","7","4","1") = "6"
    & skf21("6","6","6","5","7","7","5","1") = "6"
    & skf21("6","6","6","5","7","7","6","1") = "6"
    & skf21("6","6","6","5","7","7","7","1") = "6"
    & skf21("6","6","6","6","1","1","1","1") = "5"
    & skf21("6","6","6","6","1","1","2","1") = "5"
    & skf21("6","6","6","6","1","1","3","1") = "5"
    & skf21("6","6","6","6","1","1","4","1") = "5"
    & skf21("6","6","6","6","1","1","5","1") = "5"
    & skf21("6","6","6","6","1","1","6","1") = "5"
    & skf21("6","6","6","6","1","1","7","1") = "6"
    & skf21("6","6","6","6","1","2","1","1") = "5"
    & skf21("6","6","6","6","1","2","2","1") = "5"
    & skf21("6","6","6","6","1","2","3","1") = "5"
    & skf21("6","6","6","6","1","2","4","1") = "5"
    & skf21("6","6","6","6","1","2","5","1") = "5"
    & skf21("6","6","6","6","1","2","6","1") = "5"
    & skf21("6","6","6","6","1","2","7","1") = "6"
    & skf21("6","6","6","6","1","3","1","1") = "5"
    & skf21("6","6","6","6","1","3","2","1") = "5"
    & skf21("6","6","6","6","1","3","3","1") = "5"
    & skf21("6","6","6","6","1","3","4","1") = "5"
    & skf21("6","6","6","6","1","3","5","1") = "5"
    & skf21("6","6","6","6","1","3","6","1") = "5"
    & skf21("6","6","6","6","1","3","7","1") = "6"
    & skf21("6","6","6","6","1","4","1","1") = "5"
    & skf21("6","6","6","6","1","4","2","1") = "5"
    & skf21("6","6","6","6","1","4","3","1") = "5"
    & skf21("6","6","6","6","1","4","4","1") = "5"
    & skf21("6","6","6","6","1","4","5","1") = "5"
    & skf21("6","6","6","6","1","4","6","1") = "5"
    & skf21("6","6","6","6","1","4","7","1") = "6"
    & skf21("6","6","6","6","1","5","1","1") = "5"
    & skf21("6","6","6","6","1","5","2","1") = "5"
    & skf21("6","6","6","6","1","5","3","1") = "5"
    & skf21("6","6","6","6","1","5","4","1") = "5"
    & skf21("6","6","6","6","1","5","5","1") = "5"
    & skf21("6","6","6","6","1","5","6","1") = "5"
    & skf21("6","6","6","6","1","5","7","1") = "6"
    & skf21("6","6","6","6","1","6","1","1") = "5"
    & skf21("6","6","6","6","1","6","2","1") = "5"
    & skf21("6","6","6","6","1","6","3","1") = "5"
    & skf21("6","6","6","6","1","6","4","1") = "5"
    & skf21("6","6","6","6","1","6","5","1") = "5"
    & skf21("6","6","6","6","1","6","6","1") = "5"
    & skf21("6","6","6","6","1","6","7","1") = "6"
    & skf21("6","6","6","6","1","7","1","1") = "6"
    & skf21("6","6","6","6","1","7","2","1") = "6"
    & skf21("6","6","6","6","1","7","3","1") = "6"
    & skf21("6","6","6","6","1","7","4","1") = "6"
    & skf21("6","6","6","6","1","7","5","1") = "6"
    & skf21("6","6","6","6","1","7","6","1") = "6"
    & skf21("6","6","6","6","1","7","7","1") = "6"
    & skf21("6","6","6","6","2","1","1","1") = "5"
    & skf21("6","6","6","6","2","1","2","1") = "5"
    & skf21("6","6","6","6","2","1","3","1") = "5"
    & skf21("6","6","6","6","2","1","4","1") = "5"
    & skf21("6","6","6","6","2","1","5","1") = "5"
    & skf21("6","6","6","6","2","1","6","1") = "5"
    & skf21("6","6","6","6","2","1","7","1") = "6"
    & skf21("6","6","6","6","2","2","1","1") = "5"
    & skf21("6","6","6","6","2","2","2","1") = "5"
    & skf21("6","6","6","6","2","2","3","1") = "5"
    & skf21("6","6","6","6","2","2","4","1") = "5"
    & skf21("6","6","6","6","2","2","5","1") = "5"
    & skf21("6","6","6","6","2","2","6","1") = "5"
    & skf21("6","6","6","6","2","2","7","1") = "6"
    & skf21("6","6","6","6","2","3","1","1") = "5"
    & skf21("6","6","6","6","2","3","2","1") = "5"
    & skf21("6","6","6","6","2","3","3","1") = "5"
    & skf21("6","6","6","6","2","3","4","1") = "5"
    & skf21("6","6","6","6","2","3","5","1") = "5"
    & skf21("6","6","6","6","2","3","6","1") = "5"
    & skf21("6","6","6","6","2","3","7","1") = "6"
    & skf21("6","6","6","6","2","4","1","1") = "5"
    & skf21("6","6","6","6","2","4","2","1") = "5"
    & skf21("6","6","6","6","2","4","3","1") = "5"
    & skf21("6","6","6","6","2","4","4","1") = "5"
    & skf21("6","6","6","6","2","4","5","1") = "5"
    & skf21("6","6","6","6","2","4","6","1") = "5"
    & skf21("6","6","6","6","2","4","7","1") = "6"
    & skf21("6","6","6","6","2","5","1","1") = "5"
    & skf21("6","6","6","6","2","5","2","1") = "5"
    & skf21("6","6","6","6","2","5","3","1") = "5"
    & skf21("6","6","6","6","2","5","4","1") = "5"
    & skf21("6","6","6","6","2","5","5","1") = "5"
    & skf21("6","6","6","6","2","5","6","1") = "5"
    & skf21("6","6","6","6","2","5","7","1") = "6"
    & skf21("6","6","6","6","2","6","1","1") = "5"
    & skf21("6","6","6","6","2","6","2","1") = "5"
    & skf21("6","6","6","6","2","6","3","1") = "5"
    & skf21("6","6","6","6","2","6","4","1") = "5"
    & skf21("6","6","6","6","2","6","5","1") = "5"
    & skf21("6","6","6","6","2","6","6","1") = "5"
    & skf21("6","6","6","6","2","6","7","1") = "6"
    & skf21("6","6","6","6","2","7","1","1") = "6"
    & skf21("6","6","6","6","2","7","2","1") = "6"
    & skf21("6","6","6","6","2","7","3","1") = "6"
    & skf21("6","6","6","6","2","7","4","1") = "6"
    & skf21("6","6","6","6","2","7","5","1") = "6"
    & skf21("6","6","6","6","2","7","6","1") = "6"
    & skf21("6","6","6","6","2","7","7","1") = "6"
    & skf21("6","6","6","6","3","1","1","1") = "5"
    & skf21("6","6","6","6","3","1","2","1") = "5"
    & skf21("6","6","6","6","3","1","3","1") = "5"
    & skf21("6","6","6","6","3","1","4","1") = "5"
    & skf21("6","6","6","6","3","1","5","1") = "5"
    & skf21("6","6","6","6","3","1","6","1") = "5"
    & skf21("6","6","6","6","3","1","7","1") = "6"
    & skf21("6","6","6","6","3","2","1","1") = "5"
    & skf21("6","6","6","6","3","2","2","1") = "5"
    & skf21("6","6","6","6","3","2","3","1") = "5"
    & skf21("6","6","6","6","3","2","4","1") = "5"
    & skf21("6","6","6","6","3","2","5","1") = "5"
    & skf21("6","6","6","6","3","2","6","1") = "5"
    & skf21("6","6","6","6","3","2","7","1") = "6"
    & skf21("6","6","6","6","3","3","1","1") = "5"
    & skf21("6","6","6","6","3","3","2","1") = "5"
    & skf21("6","6","6","6","3","3","3","1") = "5"
    & skf21("6","6","6","6","3","3","4","1") = "5"
    & skf21("6","6","6","6","3","3","5","1") = "5"
    & skf21("6","6","6","6","3","3","6","1") = "5"
    & skf21("6","6","6","6","3","3","7","1") = "6"
    & skf21("6","6","6","6","3","4","1","1") = "5"
    & skf21("6","6","6","6","3","4","2","1") = "5"
    & skf21("6","6","6","6","3","4","3","1") = "5"
    & skf21("6","6","6","6","3","4","4","1") = "5"
    & skf21("6","6","6","6","3","4","5","1") = "5"
    & skf21("6","6","6","6","3","4","6","1") = "5"
    & skf21("6","6","6","6","3","4","7","1") = "6"
    & skf21("6","6","6","6","3","5","1","1") = "5"
    & skf21("6","6","6","6","3","5","2","1") = "5"
    & skf21("6","6","6","6","3","5","3","1") = "5"
    & skf21("6","6","6","6","3","5","4","1") = "5"
    & skf21("6","6","6","6","3","5","5","1") = "5"
    & skf21("6","6","6","6","3","5","6","1") = "5"
    & skf21("6","6","6","6","3","5","7","1") = "6"
    & skf21("6","6","6","6","3","6","1","1") = "5"
    & skf21("6","6","6","6","3","6","2","1") = "5"
    & skf21("6","6","6","6","3","6","3","1") = "5"
    & skf21("6","6","6","6","3","6","4","1") = "5"
    & skf21("6","6","6","6","3","6","5","1") = "5"
    & skf21("6","6","6","6","3","6","6","1") = "5"
    & skf21("6","6","6","6","3","6","7","1") = "6"
    & skf21("6","6","6","6","3","7","1","1") = "6"
    & skf21("6","6","6","6","3","7","2","1") = "6"
    & skf21("6","6","6","6","3","7","3","1") = "6"
    & skf21("6","6","6","6","3","7","4","1") = "6"
    & skf21("6","6","6","6","3","7","5","1") = "6"
    & skf21("6","6","6","6","3","7","6","1") = "6"
    & skf21("6","6","6","6","3","7","7","1") = "6"
    & skf21("6","6","6","6","4","1","1","1") = "5"
    & skf21("6","6","6","6","4","1","2","1") = "5"
    & skf21("6","6","6","6","4","1","3","1") = "5"
    & skf21("6","6","6","6","4","1","4","1") = "5"
    & skf21("6","6","6","6","4","1","5","1") = "5"
    & skf21("6","6","6","6","4","1","6","1") = "5"
    & skf21("6","6","6","6","4","1","7","1") = "6"
    & skf21("6","6","6","6","4","2","1","1") = "5"
    & skf21("6","6","6","6","4","2","2","1") = "5"
    & skf21("6","6","6","6","4","2","3","1") = "5"
    & skf21("6","6","6","6","4","2","4","1") = "5"
    & skf21("6","6","6","6","4","2","5","1") = "5"
    & skf21("6","6","6","6","4","2","6","1") = "5"
    & skf21("6","6","6","6","4","2","7","1") = "6"
    & skf21("6","6","6","6","4","3","1","1") = "5"
    & skf21("6","6","6","6","4","3","2","1") = "5"
    & skf21("6","6","6","6","4","3","3","1") = "5"
    & skf21("6","6","6","6","4","3","4","1") = "5"
    & skf21("6","6","6","6","4","3","5","1") = "5"
    & skf21("6","6","6","6","4","3","6","1") = "5"
    & skf21("6","6","6","6","4","3","7","1") = "6"
    & skf21("6","6","6","6","4","4","1","1") = "5"
    & skf21("6","6","6","6","4","4","2","1") = "5"
    & skf21("6","6","6","6","4","4","3","1") = "5"
    & skf21("6","6","6","6","4","4","4","1") = "5"
    & skf21("6","6","6","6","4","4","5","1") = "5"
    & skf21("6","6","6","6","4","4","6","1") = "5"
    & skf21("6","6","6","6","4","4","7","1") = "6"
    & skf21("6","6","6","6","4","5","1","1") = "5"
    & skf21("6","6","6","6","4","5","2","1") = "5"
    & skf21("6","6","6","6","4","5","3","1") = "5"
    & skf21("6","6","6","6","4","5","4","1") = "5"
    & skf21("6","6","6","6","4","5","5","1") = "5"
    & skf21("6","6","6","6","4","5","6","1") = "5"
    & skf21("6","6","6","6","4","5","7","1") = "6"
    & skf21("6","6","6","6","4","6","1","1") = "5"
    & skf21("6","6","6","6","4","6","2","1") = "5"
    & skf21("6","6","6","6","4","6","3","1") = "5"
    & skf21("6","6","6","6","4","6","4","1") = "5"
    & skf21("6","6","6","6","4","6","5","1") = "5"
    & skf21("6","6","6","6","4","6","6","1") = "5"
    & skf21("6","6","6","6","4","6","7","1") = "6"
    & skf21("6","6","6","6","4","7","1","1") = "6"
    & skf21("6","6","6","6","4","7","2","1") = "6"
    & skf21("6","6","6","6","4","7","3","1") = "6"
    & skf21("6","6","6","6","4","7","4","1") = "6"
    & skf21("6","6","6","6","4","7","5","1") = "6"
    & skf21("6","6","6","6","4","7","6","1") = "6"
    & skf21("6","6","6","6","4","7","7","1") = "6"
    & skf21("6","6","6","6","5","1","1","1") = "5"
    & skf21("6","6","6","6","5","1","2","1") = "5"
    & skf21("6","6","6","6","5","1","3","1") = "5"
    & skf21("6","6","6","6","5","1","4","1") = "5"
    & skf21("6","6","6","6","5","1","5","1") = "5"
    & skf21("6","6","6","6","5","1","6","1") = "5"
    & skf21("6","6","6","6","5","1","7","1") = "6"
    & skf21("6","6","6","6","5","2","1","1") = "5"
    & skf21("6","6","6","6","5","2","2","1") = "5"
    & skf21("6","6","6","6","5","2","3","1") = "5"
    & skf21("6","6","6","6","5","2","4","1") = "5"
    & skf21("6","6","6","6","5","2","5","1") = "5"
    & skf21("6","6","6","6","5","2","6","1") = "5"
    & skf21("6","6","6","6","5","2","7","1") = "6"
    & skf21("6","6","6","6","5","3","1","1") = "5"
    & skf21("6","6","6","6","5","3","2","1") = "5"
    & skf21("6","6","6","6","5","3","3","1") = "5"
    & skf21("6","6","6","6","5","3","4","1") = "5"
    & skf21("6","6","6","6","5","3","5","1") = "5"
    & skf21("6","6","6","6","5","3","6","1") = "5"
    & skf21("6","6","6","6","5","3","7","1") = "6"
    & skf21("6","6","6","6","5","4","1","1") = "5"
    & skf21("6","6","6","6","5","4","2","1") = "5"
    & skf21("6","6","6","6","5","4","3","1") = "5"
    & skf21("6","6","6","6","5","4","4","1") = "5"
    & skf21("6","6","6","6","5","4","5","1") = "5"
    & skf21("6","6","6","6","5","4","6","1") = "5"
    & skf21("6","6","6","6","5","4","7","1") = "6"
    & skf21("6","6","6","6","5","5","1","1") = "5"
    & skf21("6","6","6","6","5","5","2","1") = "5"
    & skf21("6","6","6","6","5","5","3","1") = "5"
    & skf21("6","6","6","6","5","5","4","1") = "5"
    & skf21("6","6","6","6","5","5","5","1") = "5"
    & skf21("6","6","6","6","5","5","6","1") = "5"
    & skf21("6","6","6","6","5","5","7","1") = "6"
    & skf21("6","6","6","6","5","6","1","1") = "5"
    & skf21("6","6","6","6","5","6","2","1") = "5"
    & skf21("6","6","6","6","5","6","3","1") = "5"
    & skf21("6","6","6","6","5","6","4","1") = "5"
    & skf21("6","6","6","6","5","6","5","1") = "5"
    & skf21("6","6","6","6","5","6","6","1") = "5"
    & skf21("6","6","6","6","5","6","7","1") = "6"
    & skf21("6","6","6","6","5","7","1","1") = "6"
    & skf21("6","6","6","6","5","7","2","1") = "6"
    & skf21("6","6","6","6","5","7","3","1") = "6"
    & skf21("6","6","6","6","5","7","4","1") = "6"
    & skf21("6","6","6","6","5","7","5","1") = "6"
    & skf21("6","6","6","6","5","7","6","1") = "6"
    & skf21("6","6","6","6","5","7","7","1") = "6"
    & skf21("6","6","6","6","6","1","1","1") = "5"
    & skf21("6","6","6","6","6","1","2","1") = "5"
    & skf21("6","6","6","6","6","1","3","1") = "5"
    & skf21("6","6","6","6","6","1","4","1") = "5"
    & skf21("6","6","6","6","6","1","5","1") = "5"
    & skf21("6","6","6","6","6","1","6","1") = "5"
    & skf21("6","6","6","6","6","1","7","1") = "7"
    & skf21("6","6","6","6","6","2","1","1") = "5"
    & skf21("6","6","6","6","6","2","2","1") = "5"
    & skf21("6","6","6","6","6","2","3","1") = "5"
    & skf21("6","6","6","6","6","2","4","1") = "5"
    & skf21("6","6","6","6","6","2","5","1") = "5"
    & skf21("6","6","6","6","6","2","6","1") = "5"
    & skf21("6","6","6","6","6","2","7","1") = "7"
    & skf21("6","6","6","6","6","3","1","1") = "5"
    & skf21("6","6","6","6","6","3","2","1") = "5"
    & skf21("6","6","6","6","6","3","3","1") = "5"
    & skf21("6","6","6","6","6","3","4","1") = "5"
    & skf21("6","6","6","6","6","3","5","1") = "5"
    & skf21("6","6","6","6","6","3","6","1") = "5"
    & skf21("6","6","6","6","6","3","7","1") = "7"
    & skf21("6","6","6","6","6","4","1","1") = "5"
    & skf21("6","6","6","6","6","4","2","1") = "5"
    & skf21("6","6","6","6","6","4","3","1") = "5"
    & skf21("6","6","6","6","6","4","4","1") = "5"
    & skf21("6","6","6","6","6","4","5","1") = "5"
    & skf21("6","6","6","6","6","4","6","1") = "5"
    & skf21("6","6","6","6","6","4","7","1") = "7"
    & skf21("6","6","6","6","6","5","1","1") = "5"
    & skf21("6","6","6","6","6","5","2","1") = "5"
    & skf21("6","6","6","6","6","5","3","1") = "5"
    & skf21("6","6","6","6","6","5","4","1") = "5"
    & skf21("6","6","6","6","6","5","5","1") = "5"
    & skf21("6","6","6","6","6","5","6","1") = "5"
    & skf21("6","6","6","6","6","5","7","1") = "7"
    & skf21("6","6","6","6","6","6","1","1") = "5"
    & skf21("6","6","6","6","6","6","2","1") = "5"
    & skf21("6","6","6","6","6","6","3","1") = "5"
    & skf21("6","6","6","6","6","6","4","1") = "5"
    & skf21("6","6","6","6","6","6","5","1") = "5"
    & skf21("6","6","6","6","6","6","6","1") = "5"
    & skf21("6","6","6","6","6","6","7","1") = "7"
    & skf21("6","6","6","6","6","7","1","1") = "6"
    & skf21("6","6","6","6","6","7","2","1") = "6"
    & skf21("6","6","6","6","6","7","3","1") = "6"
    & skf21("6","6","6","6","6","7","4","1") = "6"
    & skf21("6","6","6","6","6","7","5","1") = "6"
    & skf21("6","6","6","6","6","7","6","1") = "6"
    & skf21("6","6","6","6","6","7","7","1") = "6"
    & skf21("6","6","6","6","7","1","1","1") = "6"
    & skf21("6","6","6","6","7","1","2","1") = "6"
    & skf21("6","6","6","6","7","1","3","1") = "6"
    & skf21("6","6","6","6","7","1","4","1") = "6"
    & skf21("6","6","6","6","7","1","5","1") = "6"
    & skf21("6","6","6","6","7","1","6","1") = "6"
    & skf21("6","6","6","6","7","1","7","1") = "6"
    & skf21("6","6","6","6","7","2","1","1") = "6"
    & skf21("6","6","6","6","7","2","2","1") = "6"
    & skf21("6","6","6","6","7","2","3","1") = "6"
    & skf21("6","6","6","6","7","2","4","1") = "6"
    & skf21("6","6","6","6","7","2","5","1") = "6"
    & skf21("6","6","6","6","7","2","6","1") = "6"
    & skf21("6","6","6","6","7","2","7","1") = "6"
    & skf21("6","6","6","6","7","3","1","1") = "6"
    & skf21("6","6","6","6","7","3","2","1") = "6"
    & skf21("6","6","6","6","7","3","3","1") = "6"
    & skf21("6","6","6","6","7","3","4","1") = "6"
    & skf21("6","6","6","6","7","3","5","1") = "6"
    & skf21("6","6","6","6","7","3","6","1") = "6"
    & skf21("6","6","6","6","7","3","7","1") = "6"
    & skf21("6","6","6","6","7","4","1","1") = "6"
    & skf21("6","6","6","6","7","4","2","1") = "6"
    & skf21("6","6","6","6","7","4","3","1") = "6"
    & skf21("6","6","6","6","7","4","4","1") = "6"
    & skf21("6","6","6","6","7","4","5","1") = "6"
    & skf21("6","6","6","6","7","4","6","1") = "6"
    & skf21("6","6","6","6","7","4","7","1") = "6"
    & skf21("6","6","6","6","7","5","1","1") = "6"
    & skf21("6","6","6","6","7","5","2","1") = "6"
    & skf21("6","6","6","6","7","5","3","1") = "6"
    & skf21("6","6","6","6","7","5","4","1") = "6"
    & skf21("6","6","6","6","7","5","5","1") = "6"
    & skf21("6","6","6","6","7","5","6","1") = "6"
    & skf21("6","6","6","6","7","5","7","1") = "6"
    & skf21("6","6","6","6","7","6","1","1") = "6"
    & skf21("6","6","6","6","7","6","2","1") = "6"
    & skf21("6","6","6","6","7","6","3","1") = "6"
    & skf21("6","6","6","6","7","6","4","1") = "6"
    & skf21("6","6","6","6","7","6","5","1") = "6"
    & skf21("6","6","6","6","7","6","6","1") = "6"
    & skf21("6","6","6","6","7","6","7","1") = "6"
    & skf21("6","6","6","6","7","7","1","1") = "6"
    & skf21("6","6","6","6","7","7","2","1") = "6"
    & skf21("6","6","6","6","7","7","3","1") = "6"
    & skf21("6","6","6","6","7","7","4","1") = "6"
    & skf21("6","6","6","6","7","7","5","1") = "6"
    & skf21("6","6","6","6","7","7","6","1") = "6"
    & skf21("6","6","6","6","7","7","7","1") = "6"
    & skf21("6","6","6","7","1","1","1","1") = "6"
    & skf21("6","6","6","7","1","1","2","1") = "6"
    & skf21("6","6","6","7","1","1","3","1") = "6"
    & skf21("6","6","6","7","1","1","4","1") = "6"
    & skf21("6","6","6","7","1","1","5","1") = "6"
    & skf21("6","6","6","7","1","1","6","1") = "6"
    & skf21("6","6","6","7","1","1","7","1") = "6"
    & skf21("6","6","6","7","1","2","1","1") = "6"
    & skf21("6","6","6","7","1","2","2","1") = "6"
    & skf21("6","6","6","7","1","2","3","1") = "6"
    & skf21("6","6","6","7","1","2","4","1") = "6"
    & skf21("6","6","6","7","1","2","5","1") = "6"
    & skf21("6","6","6","7","1","2","6","1") = "6"
    & skf21("6","6","6","7","1","2","7","1") = "6"
    & skf21("6","6","6","7","1","3","1","1") = "6"
    & skf21("6","6","6","7","1","3","2","1") = "6"
    & skf21("6","6","6","7","1","3","3","1") = "6"
    & skf21("6","6","6","7","1","3","4","1") = "6"
    & skf21("6","6","6","7","1","3","5","1") = "6"
    & skf21("6","6","6","7","1","3","6","1") = "6"
    & skf21("6","6","6","7","1","3","7","1") = "6"
    & skf21("6","6","6","7","1","4","1","1") = "6"
    & skf21("6","6","6","7","1","4","2","1") = "6"
    & skf21("6","6","6","7","1","4","3","1") = "6"
    & skf21("6","6","6","7","1","4","4","1") = "6"
    & skf21("6","6","6","7","1","4","5","1") = "6"
    & skf21("6","6","6","7","1","4","6","1") = "6"
    & skf21("6","6","6","7","1","4","7","1") = "6"
    & skf21("6","6","6","7","1","5","1","1") = "6"
    & skf21("6","6","6","7","1","5","2","1") = "6"
    & skf21("6","6","6","7","1","5","3","1") = "6"
    & skf21("6","6","6","7","1","5","4","1") = "6"
    & skf21("6","6","6","7","1","5","5","1") = "6"
    & skf21("6","6","6","7","1","5","6","1") = "6"
    & skf21("6","6","6","7","1","5","7","1") = "6"
    & skf21("6","6","6","7","1","6","1","1") = "6"
    & skf21("6","6","6","7","1","6","2","1") = "6"
    & skf21("6","6","6","7","1","6","3","1") = "6"
    & skf21("6","6","6","7","1","6","4","1") = "6"
    & skf21("6","6","6","7","1","6","5","1") = "6"
    & skf21("6","6","6","7","1","6","6","1") = "6"
    & skf21("6","6","6","7","1","6","7","1") = "6"
    & skf21("6","6","6","7","1","7","1","1") = "6"
    & skf21("6","6","6","7","1","7","2","1") = "6"
    & skf21("6","6","6","7","1","7","3","1") = "6"
    & skf21("6","6","6","7","1","7","4","1") = "6"
    & skf21("6","6","6","7","1","7","5","1") = "6"
    & skf21("6","6","6","7","1","7","6","1") = "6"
    & skf21("6","6","6","7","1","7","7","1") = "6"
    & skf21("6","6","6","7","2","1","1","1") = "6"
    & skf21("6","6","6","7","2","1","2","1") = "6"
    & skf21("6","6","6","7","2","1","3","1") = "6"
    & skf21("6","6","6","7","2","1","4","1") = "6"
    & skf21("6","6","6","7","2","1","5","1") = "6"
    & skf21("6","6","6","7","2","1","6","1") = "6"
    & skf21("6","6","6","7","2","1","7","1") = "6"
    & skf21("6","6","6","7","2","2","1","1") = "6"
    & skf21("6","6","6","7","2","2","2","1") = "6"
    & skf21("6","6","6","7","2","2","3","1") = "6"
    & skf21("6","6","6","7","2","2","4","1") = "6"
    & skf21("6","6","6","7","2","2","5","1") = "6"
    & skf21("6","6","6","7","2","2","6","1") = "6"
    & skf21("6","6","6","7","2","2","7","1") = "6"
    & skf21("6","6","6","7","2","3","1","1") = "6"
    & skf21("6","6","6","7","2","3","2","1") = "6"
    & skf21("6","6","6","7","2","3","3","1") = "6"
    & skf21("6","6","6","7","2","3","4","1") = "6"
    & skf21("6","6","6","7","2","3","5","1") = "6"
    & skf21("6","6","6","7","2","3","6","1") = "6"
    & skf21("6","6","6","7","2","3","7","1") = "6"
    & skf21("6","6","6","7","2","4","1","1") = "6"
    & skf21("6","6","6","7","2","4","2","1") = "6"
    & skf21("6","6","6","7","2","4","3","1") = "6"
    & skf21("6","6","6","7","2","4","4","1") = "6"
    & skf21("6","6","6","7","2","4","5","1") = "6"
    & skf21("6","6","6","7","2","4","6","1") = "6"
    & skf21("6","6","6","7","2","4","7","1") = "6"
    & skf21("6","6","6","7","2","5","1","1") = "6"
    & skf21("6","6","6","7","2","5","2","1") = "6"
    & skf21("6","6","6","7","2","5","3","1") = "6"
    & skf21("6","6","6","7","2","5","4","1") = "6"
    & skf21("6","6","6","7","2","5","5","1") = "6"
    & skf21("6","6","6","7","2","5","6","1") = "6"
    & skf21("6","6","6","7","2","5","7","1") = "6"
    & skf21("6","6","6","7","2","6","1","1") = "6"
    & skf21("6","6","6","7","2","6","2","1") = "6"
    & skf21("6","6","6","7","2","6","3","1") = "6"
    & skf21("6","6","6","7","2","6","4","1") = "6"
    & skf21("6","6","6","7","2","6","5","1") = "6"
    & skf21("6","6","6","7","2","6","6","1") = "6"
    & skf21("6","6","6","7","2","6","7","1") = "6"
    & skf21("6","6","6","7","2","7","1","1") = "6"
    & skf21("6","6","6","7","2","7","2","1") = "6"
    & skf21("6","6","6","7","2","7","3","1") = "6"
    & skf21("6","6","6","7","2","7","4","1") = "6"
    & skf21("6","6","6","7","2","7","5","1") = "6"
    & skf21("6","6","6","7","2","7","6","1") = "6"
    & skf21("6","6","6","7","2","7","7","1") = "6"
    & skf21("6","6","6","7","3","1","1","1") = "6"
    & skf21("6","6","6","7","3","1","2","1") = "6"
    & skf21("6","6","6","7","3","1","3","1") = "6"
    & skf21("6","6","6","7","3","1","4","1") = "6"
    & skf21("6","6","6","7","3","1","5","1") = "6"
    & skf21("6","6","6","7","3","1","6","1") = "6"
    & skf21("6","6","6","7","3","1","7","1") = "6"
    & skf21("6","6","6","7","3","2","1","1") = "6"
    & skf21("6","6","6","7","3","2","2","1") = "6"
    & skf21("6","6","6","7","3","2","3","1") = "6"
    & skf21("6","6","6","7","3","2","4","1") = "6"
    & skf21("6","6","6","7","3","2","5","1") = "6"
    & skf21("6","6","6","7","3","2","6","1") = "6"
    & skf21("6","6","6","7","3","2","7","1") = "6"
    & skf21("6","6","6","7","3","3","1","1") = "6"
    & skf21("6","6","6","7","3","3","2","1") = "6"
    & skf21("6","6","6","7","3","3","3","1") = "6"
    & skf21("6","6","6","7","3","3","4","1") = "6"
    & skf21("6","6","6","7","3","3","5","1") = "6"
    & skf21("6","6","6","7","3","3","6","1") = "6"
    & skf21("6","6","6","7","3","3","7","1") = "6"
    & skf21("6","6","6","7","3","4","1","1") = "6"
    & skf21("6","6","6","7","3","4","2","1") = "6"
    & skf21("6","6","6","7","3","4","3","1") = "6"
    & skf21("6","6","6","7","3","4","4","1") = "6"
    & skf21("6","6","6","7","3","4","5","1") = "6"
    & skf21("6","6","6","7","3","4","6","1") = "6"
    & skf21("6","6","6","7","3","4","7","1") = "6"
    & skf21("6","6","6","7","3","5","1","1") = "6"
    & skf21("6","6","6","7","3","5","2","1") = "6"
    & skf21("6","6","6","7","3","5","3","1") = "6"
    & skf21("6","6","6","7","3","5","4","1") = "6"
    & skf21("6","6","6","7","3","5","5","1") = "6"
    & skf21("6","6","6","7","3","5","6","1") = "6"
    & skf21("6","6","6","7","3","5","7","1") = "6"
    & skf21("6","6","6","7","3","6","1","1") = "6"
    & skf21("6","6","6","7","3","6","2","1") = "6"
    & skf21("6","6","6","7","3","6","3","1") = "6"
    & skf21("6","6","6","7","3","6","4","1") = "6"
    & skf21("6","6","6","7","3","6","5","1") = "6"
    & skf21("6","6","6","7","3","6","6","1") = "6"
    & skf21("6","6","6","7","3","6","7","1") = "6"
    & skf21("6","6","6","7","3","7","1","1") = "6"
    & skf21("6","6","6","7","3","7","2","1") = "6"
    & skf21("6","6","6","7","3","7","3","1") = "6"
    & skf21("6","6","6","7","3","7","4","1") = "6"
    & skf21("6","6","6","7","3","7","5","1") = "6"
    & skf21("6","6","6","7","3","7","6","1") = "6"
    & skf21("6","6","6","7","3","7","7","1") = "6"
    & skf21("6","6","6","7","4","1","1","1") = "6"
    & skf21("6","6","6","7","4","1","2","1") = "6"
    & skf21("6","6","6","7","4","1","3","1") = "6"
    & skf21("6","6","6","7","4","1","4","1") = "6"
    & skf21("6","6","6","7","4","1","5","1") = "6"
    & skf21("6","6","6","7","4","1","6","1") = "6"
    & skf21("6","6","6","7","4","1","7","1") = "6"
    & skf21("6","6","6","7","4","2","1","1") = "6"
    & skf21("6","6","6","7","4","2","2","1") = "6"
    & skf21("6","6","6","7","4","2","3","1") = "6"
    & skf21("6","6","6","7","4","2","4","1") = "6"
    & skf21("6","6","6","7","4","2","5","1") = "6"
    & skf21("6","6","6","7","4","2","6","1") = "6"
    & skf21("6","6","6","7","4","2","7","1") = "6"
    & skf21("6","6","6","7","4","3","1","1") = "6"
    & skf21("6","6","6","7","4","3","2","1") = "6"
    & skf21("6","6","6","7","4","3","3","1") = "6"
    & skf21("6","6","6","7","4","3","4","1") = "6"
    & skf21("6","6","6","7","4","3","5","1") = "6"
    & skf21("6","6","6","7","4","3","6","1") = "6"
    & skf21("6","6","6","7","4","3","7","1") = "6"
    & skf21("6","6","6","7","4","4","1","1") = "6"
    & skf21("6","6","6","7","4","4","2","1") = "6"
    & skf21("6","6","6","7","4","4","3","1") = "6"
    & skf21("6","6","6","7","4","4","4","1") = "6"
    & skf21("6","6","6","7","4","4","5","1") = "6"
    & skf21("6","6","6","7","4","4","6","1") = "6"
    & skf21("6","6","6","7","4","4","7","1") = "6"
    & skf21("6","6","6","7","4","5","1","1") = "6"
    & skf21("6","6","6","7","4","5","2","1") = "6"
    & skf21("6","6","6","7","4","5","3","1") = "6"
    & skf21("6","6","6","7","4","5","4","1") = "6"
    & skf21("6","6","6","7","4","5","5","1") = "6"
    & skf21("6","6","6","7","4","5","6","1") = "6"
    & skf21("6","6","6","7","4","5","7","1") = "6"
    & skf21("6","6","6","7","4","6","1","1") = "6"
    & skf21("6","6","6","7","4","6","2","1") = "6"
    & skf21("6","6","6","7","4","6","3","1") = "6"
    & skf21("6","6","6","7","4","6","4","1") = "6"
    & skf21("6","6","6","7","4","6","5","1") = "6"
    & skf21("6","6","6","7","4","6","6","1") = "6"
    & skf21("6","6","6","7","4","6","7","1") = "6"
    & skf21("6","6","6","7","4","7","1","1") = "6"
    & skf21("6","6","6","7","4","7","2","1") = "6"
    & skf21("6","6","6","7","4","7","3","1") = "6"
    & skf21("6","6","6","7","4","7","4","1") = "6"
    & skf21("6","6","6","7","4","7","5","1") = "6"
    & skf21("6","6","6","7","4","7","6","1") = "6"
    & skf21("6","6","6","7","4","7","7","1") = "6"
    & skf21("6","6","6","7","5","1","1","1") = "6"
    & skf21("6","6","6","7","5","1","2","1") = "6"
    & skf21("6","6","6","7","5","1","3","1") = "6"
    & skf21("6","6","6","7","5","1","4","1") = "6"
    & skf21("6","6","6","7","5","1","5","1") = "6"
    & skf21("6","6","6","7","5","1","6","1") = "6"
    & skf21("6","6","6","7","5","1","7","1") = "6"
    & skf21("6","6","6","7","5","2","1","1") = "6"
    & skf21("6","6","6","7","5","2","2","1") = "6"
    & skf21("6","6","6","7","5","2","3","1") = "6"
    & skf21("6","6","6","7","5","2","4","1") = "6"
    & skf21("6","6","6","7","5","2","5","1") = "6"
    & skf21("6","6","6","7","5","2","6","1") = "6"
    & skf21("6","6","6","7","5","2","7","1") = "6"
    & skf21("6","6","6","7","5","3","1","1") = "6"
    & skf21("6","6","6","7","5","3","2","1") = "6"
    & skf21("6","6","6","7","5","3","3","1") = "6"
    & skf21("6","6","6","7","5","3","4","1") = "6"
    & skf21("6","6","6","7","5","3","5","1") = "6"
    & skf21("6","6","6","7","5","3","6","1") = "6"
    & skf21("6","6","6","7","5","3","7","1") = "6"
    & skf21("6","6","6","7","5","4","1","1") = "6"
    & skf21("6","6","6","7","5","4","2","1") = "6"
    & skf21("6","6","6","7","5","4","3","1") = "6"
    & skf21("6","6","6","7","5","4","4","1") = "6"
    & skf21("6","6","6","7","5","4","5","1") = "6"
    & skf21("6","6","6","7","5","4","6","1") = "6"
    & skf21("6","6","6","7","5","4","7","1") = "6"
    & skf21("6","6","6","7","5","5","1","1") = "6"
    & skf21("6","6","6","7","5","5","2","1") = "6"
    & skf21("6","6","6","7","5","5","3","1") = "6"
    & skf21("6","6","6","7","5","5","4","1") = "6"
    & skf21("6","6","6","7","5","5","5","1") = "6"
    & skf21("6","6","6","7","5","5","6","1") = "6"
    & skf21("6","6","6","7","5","5","7","1") = "6"
    & skf21("6","6","6","7","5","6","1","1") = "6"
    & skf21("6","6","6","7","5","6","2","1") = "6"
    & skf21("6","6","6","7","5","6","3","1") = "6"
    & skf21("6","6","6","7","5","6","4","1") = "6"
    & skf21("6","6","6","7","5","6","5","1") = "6"
    & skf21("6","6","6","7","5","6","6","1") = "6"
    & skf21("6","6","6","7","5","6","7","1") = "6"
    & skf21("6","6","6","7","5","7","1","1") = "6"
    & skf21("6","6","6","7","5","7","2","1") = "6"
    & skf21("6","6","6","7","5","7","3","1") = "6"
    & skf21("6","6","6","7","5","7","4","1") = "6"
    & skf21("6","6","6","7","5","7","5","1") = "6"
    & skf21("6","6","6","7","5","7","6","1") = "6"
    & skf21("6","6","6","7","5","7","7","1") = "6"
    & skf21("6","6","6","7","6","1","1","1") = "6"
    & skf21("6","6","6","7","6","1","2","1") = "6"
    & skf21("6","6","6","7","6","1","3","1") = "6"
    & skf21("6","6","6","7","6","1","4","1") = "6"
    & skf21("6","6","6","7","6","1","5","1") = "6"
    & skf21("6","6","6","7","6","1","6","1") = "6"
    & skf21("6","6","6","7","6","1","7","1") = "6"
    & skf21("6","6","6","7","6","2","1","1") = "6"
    & skf21("6","6","6","7","6","2","2","1") = "6"
    & skf21("6","6","6","7","6","2","3","1") = "6"
    & skf21("6","6","6","7","6","2","4","1") = "6"
    & skf21("6","6","6","7","6","2","5","1") = "6"
    & skf21("6","6","6","7","6","2","6","1") = "6"
    & skf21("6","6","6","7","6","2","7","1") = "6"
    & skf21("6","6","6","7","6","3","1","1") = "6"
    & skf21("6","6","6","7","6","3","2","1") = "6"
    & skf21("6","6","6","7","6","3","3","1") = "6"
    & skf21("6","6","6","7","6","3","4","1") = "6"
    & skf21("6","6","6","7","6","3","5","1") = "6"
    & skf21("6","6","6","7","6","3","6","1") = "6"
    & skf21("6","6","6","7","6","3","7","1") = "6"
    & skf21("6","6","6","7","6","4","1","1") = "6"
    & skf21("6","6","6","7","6","4","2","1") = "6"
    & skf21("6","6","6","7","6","4","3","1") = "6"
    & skf21("6","6","6","7","6","4","4","1") = "6"
    & skf21("6","6","6","7","6","4","5","1") = "6"
    & skf21("6","6","6","7","6","4","6","1") = "6"
    & skf21("6","6","6","7","6","4","7","1") = "6"
    & skf21("6","6","6","7","6","5","1","1") = "6"
    & skf21("6","6","6","7","6","5","2","1") = "6"
    & skf21("6","6","6","7","6","5","3","1") = "6"
    & skf21("6","6","6","7","6","5","4","1") = "6"
    & skf21("6","6","6","7","6","5","5","1") = "6"
    & skf21("6","6","6","7","6","5","6","1") = "6"
    & skf21("6","6","6","7","6","5","7","1") = "6"
    & skf21("6","6","6","7","6","6","1","1") = "6"
    & skf21("6","6","6","7","6","6","2","1") = "6"
    & skf21("6","6","6","7","6","6","3","1") = "6"
    & skf21("6","6","6","7","6","6","4","1") = "6"
    & skf21("6","6","6","7","6","6","5","1") = "6"
    & skf21("6","6","6","7","6","6","6","1") = "6"
    & skf21("6","6","6","7","6","6","7","1") = "6"
    & skf21("6","6","6","7","6","7","1","1") = "6"
    & skf21("6","6","6","7","6","7","2","1") = "6"
    & skf21("6","6","6","7","6","7","3","1") = "6"
    & skf21("6","6","6","7","6","7","4","1") = "6"
    & skf21("6","6","6","7","6","7","5","1") = "6"
    & skf21("6","6","6","7","6","7","6","1") = "6"
    & skf21("6","6","6","7","6","7","7","1") = "6"
    & skf21("6","6","6","7","7","1","1","1") = "6"
    & skf21("6","6","6","7","7","1","2","1") = "6"
    & skf21("6","6","6","7","7","1","3","1") = "6"
    & skf21("6","6","6","7","7","1","4","1") = "6"
    & skf21("6","6","6","7","7","1","5","1") = "6"
    & skf21("6","6","6","7","7","1","6","1") = "6"
    & skf21("6","6","6","7","7","1","7","1") = "6"
    & skf21("6","6","6","7","7","2","1","1") = "6"
    & skf21("6","6","6","7","7","2","2","1") = "6"
    & skf21("6","6","6","7","7","2","3","1") = "6"
    & skf21("6","6","6","7","7","2","4","1") = "6"
    & skf21("6","6","6","7","7","2","5","1") = "6"
    & skf21("6","6","6","7","7","2","6","1") = "6"
    & skf21("6","6","6","7","7","2","7","1") = "6"
    & skf21("6","6","6","7","7","3","1","1") = "6"
    & skf21("6","6","6","7","7","3","2","1") = "6"
    & skf21("6","6","6","7","7","3","3","1") = "6"
    & skf21("6","6","6","7","7","3","4","1") = "6"
    & skf21("6","6","6","7","7","3","5","1") = "6"
    & skf21("6","6","6","7","7","3","6","1") = "6"
    & skf21("6","6","6","7","7","3","7","1") = "6"
    & skf21("6","6","6","7","7","4","1","1") = "6"
    & skf21("6","6","6","7","7","4","2","1") = "6"
    & skf21("6","6","6","7","7","4","3","1") = "6"
    & skf21("6","6","6","7","7","4","4","1") = "6"
    & skf21("6","6","6","7","7","4","5","1") = "6"
    & skf21("6","6","6","7","7","4","6","1") = "6"
    & skf21("6","6","6","7","7","4","7","1") = "6"
    & skf21("6","6","6","7","7","5","1","1") = "6"
    & skf21("6","6","6","7","7","5","2","1") = "6"
    & skf21("6","6","6","7","7","5","3","1") = "6"
    & skf21("6","6","6","7","7","5","4","1") = "6"
    & skf21("6","6","6","7","7","5","5","1") = "6"
    & skf21("6","6","6","7","7","5","6","1") = "6"
    & skf21("6","6","6","7","7","5","7","1") = "6"
    & skf21("6","6","6","7","7","6","1","1") = "6"
    & skf21("6","6","6","7","7","6","2","1") = "6"
    & skf21("6","6","6","7","7","6","3","1") = "6"
    & skf21("6","6","6","7","7","6","4","1") = "6"
    & skf21("6","6","6","7","7","6","5","1") = "6"
    & skf21("6","6","6","7","7","6","6","1") = "6"
    & skf21("6","6","6","7","7","6","7","1") = "6"
    & skf21("6","6","6","7","7","7","1","1") = "6"
    & skf21("6","6","6","7","7","7","2","1") = "6"
    & skf21("6","6","6","7","7","7","3","1") = "6"
    & skf21("6","6","6","7","7","7","4","1") = "6"
    & skf21("6","6","6","7","7","7","5","1") = "6"
    & skf21("6","6","6","7","7","7","6","1") = "6"
    & skf21("6","6","6","7","7","7","7","1") = "6"
    & skf21("6","6","7","1","1","1","1","1") = "6"
    & skf21("6","6","7","1","1","1","2","1") = "6"
    & skf21("6","6","7","1","1","1","3","1") = "6"
    & skf21("6","6","7","1","1","1","4","1") = "6"
    & skf21("6","6","7","1","1","1","5","1") = "6"
    & skf21("6","6","7","1","1","1","6","1") = "6"
    & skf21("6","6","7","1","1","1","7","1") = "6"
    & skf21("6","6","7","1","1","2","1","1") = "6"
    & skf21("6","6","7","1","1","2","2","1") = "6"
    & skf21("6","6","7","1","1","2","3","1") = "6"
    & skf21("6","6","7","1","1","2","4","1") = "6"
    & skf21("6","6","7","1","1","2","5","1") = "6"
    & skf21("6","6","7","1","1","2","6","1") = "6"
    & skf21("6","6","7","1","1","2","7","1") = "6"
    & skf21("6","6","7","1","1","3","1","1") = "6"
    & skf21("6","6","7","1","1","3","2","1") = "6"
    & skf21("6","6","7","1","1","3","3","1") = "6"
    & skf21("6","6","7","1","1","3","4","1") = "6"
    & skf21("6","6","7","1","1","3","5","1") = "6"
    & skf21("6","6","7","1","1","3","6","1") = "6"
    & skf21("6","6","7","1","1","3","7","1") = "6"
    & skf21("6","6","7","1","1","4","1","1") = "6"
    & skf21("6","6","7","1","1","4","2","1") = "6"
    & skf21("6","6","7","1","1","4","3","1") = "6"
    & skf21("6","6","7","1","1","4","4","1") = "6"
    & skf21("6","6","7","1","1","4","5","1") = "6"
    & skf21("6","6","7","1","1","4","6","1") = "6"
    & skf21("6","6","7","1","1","4","7","1") = "6"
    & skf21("6","6","7","1","1","5","1","1") = "6"
    & skf21("6","6","7","1","1","5","2","1") = "6"
    & skf21("6","6","7","1","1","5","3","1") = "6"
    & skf21("6","6","7","1","1","5","4","1") = "6"
    & skf21("6","6","7","1","1","5","5","1") = "6"
    & skf21("6","6","7","1","1","5","6","1") = "6"
    & skf21("6","6","7","1","1","5","7","1") = "6"
    & skf21("6","6","7","1","1","6","1","1") = "6"
    & skf21("6","6","7","1","1","6","2","1") = "6"
    & skf21("6","6","7","1","1","6","3","1") = "6"
    & skf21("6","6","7","1","1","6","4","1") = "6"
    & skf21("6","6","7","1","1","6","5","1") = "6"
    & skf21("6","6","7","1","1","6","6","1") = "6"
    & skf21("6","6","7","1","1","6","7","1") = "6"
    & skf21("6","6","7","1","1","7","1","1") = "6"
    & skf21("6","6","7","1","1","7","2","1") = "6"
    & skf21("6","6","7","1","1","7","3","1") = "6"
    & skf21("6","6","7","1","1","7","4","1") = "6"
    & skf21("6","6","7","1","1","7","5","1") = "6"
    & skf21("6","6","7","1","1","7","6","1") = "6"
    & skf21("6","6","7","1","1","7","7","1") = "6"
    & skf21("6","6","7","1","2","1","1","1") = "6"
    & skf21("6","6","7","1","2","1","2","1") = "6"
    & skf21("6","6","7","1","2","1","3","1") = "6"
    & skf21("6","6","7","1","2","1","4","1") = "6"
    & skf21("6","6","7","1","2","1","5","1") = "6"
    & skf21("6","6","7","1","2","1","6","1") = "6"
    & skf21("6","6","7","1","2","1","7","1") = "6"
    & skf21("6","6","7","1","2","2","1","1") = "6"
    & skf21("6","6","7","1","2","2","2","1") = "6"
    & skf21("6","6","7","1","2","2","3","1") = "6"
    & skf21("6","6","7","1","2","2","4","1") = "6"
    & skf21("6","6","7","1","2","2","5","1") = "6"
    & skf21("6","6","7","1","2","2","6","1") = "6"
    & skf21("6","6","7","1","2","2","7","1") = "6"
    & skf21("6","6","7","1","2","3","1","1") = "6"
    & skf21("6","6","7","1","2","3","2","1") = "6"
    & skf21("6","6","7","1","2","3","3","1") = "6"
    & skf21("6","6","7","1","2","3","4","1") = "6"
    & skf21("6","6","7","1","2","3","5","1") = "6"
    & skf21("6","6","7","1","2","3","6","1") = "6"
    & skf21("6","6","7","1","2","3","7","1") = "6"
    & skf21("6","6","7","1","2","4","1","1") = "6"
    & skf21("6","6","7","1","2","4","2","1") = "6"
    & skf21("6","6","7","1","2","4","3","1") = "6"
    & skf21("6","6","7","1","2","4","4","1") = "6"
    & skf21("6","6","7","1","2","4","5","1") = "6"
    & skf21("6","6","7","1","2","4","6","1") = "6"
    & skf21("6","6","7","1","2","4","7","1") = "6"
    & skf21("6","6","7","1","2","5","1","1") = "6"
    & skf21("6","6","7","1","2","5","2","1") = "6"
    & skf21("6","6","7","1","2","5","3","1") = "6"
    & skf21("6","6","7","1","2","5","4","1") = "6"
    & skf21("6","6","7","1","2","5","5","1") = "6"
    & skf21("6","6","7","1","2","5","6","1") = "6"
    & skf21("6","6","7","1","2","5","7","1") = "6"
    & skf21("6","6","7","1","2","6","1","1") = "6"
    & skf21("6","6","7","1","2","6","2","1") = "6"
    & skf21("6","6","7","1","2","6","3","1") = "6"
    & skf21("6","6","7","1","2","6","4","1") = "6"
    & skf21("6","6","7","1","2","6","5","1") = "6"
    & skf21("6","6","7","1","2","6","6","1") = "6"
    & skf21("6","6","7","1","2","6","7","1") = "6"
    & skf21("6","6","7","1","2","7","1","1") = "6"
    & skf21("6","6","7","1","2","7","2","1") = "6"
    & skf21("6","6","7","1","2","7","3","1") = "6"
    & skf21("6","6","7","1","2","7","4","1") = "6"
    & skf21("6","6","7","1","2","7","5","1") = "6"
    & skf21("6","6","7","1","2","7","6","1") = "6"
    & skf21("6","6","7","1","2","7","7","1") = "6"
    & skf21("6","6","7","1","3","1","1","1") = "6"
    & skf21("6","6","7","1","3","1","2","1") = "6"
    & skf21("6","6","7","1","3","1","3","1") = "6"
    & skf21("6","6","7","1","3","1","4","1") = "6"
    & skf21("6","6","7","1","3","1","5","1") = "6"
    & skf21("6","6","7","1","3","1","6","1") = "6"
    & skf21("6","6","7","1","3","1","7","1") = "6"
    & skf21("6","6","7","1","3","2","1","1") = "6"
    & skf21("6","6","7","1","3","2","2","1") = "6"
    & skf21("6","6","7","1","3","2","3","1") = "6"
    & skf21("6","6","7","1","3","2","4","1") = "6"
    & skf21("6","6","7","1","3","2","5","1") = "6"
    & skf21("6","6","7","1","3","2","6","1") = "6"
    & skf21("6","6","7","1","3","2","7","1") = "6"
    & skf21("6","6","7","1","3","3","1","1") = "6"
    & skf21("6","6","7","1","3","3","2","1") = "6"
    & skf21("6","6","7","1","3","3","3","1") = "6"
    & skf21("6","6","7","1","3","3","4","1") = "6"
    & skf21("6","6","7","1","3","3","5","1") = "6"
    & skf21("6","6","7","1","3","3","6","1") = "6"
    & skf21("6","6","7","1","3","3","7","1") = "6"
    & skf21("6","6","7","1","3","4","1","1") = "6"
    & skf21("6","6","7","1","3","4","2","1") = "6"
    & skf21("6","6","7","1","3","4","3","1") = "6"
    & skf21("6","6","7","1","3","4","4","1") = "6"
    & skf21("6","6","7","1","3","4","5","1") = "6"
    & skf21("6","6","7","1","3","4","6","1") = "6"
    & skf21("6","6","7","1","3","4","7","1") = "6"
    & skf21("6","6","7","1","3","5","1","1") = "6"
    & skf21("6","6","7","1","3","5","2","1") = "6"
    & skf21("6","6","7","1","3","5","3","1") = "6"
    & skf21("6","6","7","1","3","5","4","1") = "6"
    & skf21("6","6","7","1","3","5","5","1") = "6"
    & skf21("6","6","7","1","3","5","6","1") = "6"
    & skf21("6","6","7","1","3","5","7","1") = "6"
    & skf21("6","6","7","1","3","6","1","1") = "6"
    & skf21("6","6","7","1","3","6","2","1") = "6"
    & skf21("6","6","7","1","3","6","3","1") = "6"
    & skf21("6","6","7","1","3","6","4","1") = "6"
    & skf21("6","6","7","1","3","6","5","1") = "6"
    & skf21("6","6","7","1","3","6","6","1") = "6"
    & skf21("6","6","7","1","3","6","7","1") = "6"
    & skf21("6","6","7","1","3","7","1","1") = "6"
    & skf21("6","6","7","1","3","7","2","1") = "6"
    & skf21("6","6","7","1","3","7","3","1") = "6"
    & skf21("6","6","7","1","3","7","4","1") = "6"
    & skf21("6","6","7","1","3","7","5","1") = "6"
    & skf21("6","6","7","1","3","7","6","1") = "6"
    & skf21("6","6","7","1","3","7","7","1") = "6"
    & skf21("6","6","7","1","4","1","1","1") = "6"
    & skf21("6","6","7","1","4","1","2","1") = "6"
    & skf21("6","6","7","1","4","1","3","1") = "6"
    & skf21("6","6","7","1","4","1","4","1") = "6"
    & skf21("6","6","7","1","4","1","5","1") = "6"
    & skf21("6","6","7","1","4","1","6","1") = "6"
    & skf21("6","6","7","1","4","1","7","1") = "6"
    & skf21("6","6","7","1","4","2","1","1") = "6"
    & skf21("6","6","7","1","4","2","2","1") = "6"
    & skf21("6","6","7","1","4","2","3","1") = "6"
    & skf21("6","6","7","1","4","2","4","1") = "6"
    & skf21("6","6","7","1","4","2","5","1") = "6"
    & skf21("6","6","7","1","4","2","6","1") = "6"
    & skf21("6","6","7","1","4","2","7","1") = "6"
    & skf21("6","6","7","1","4","3","1","1") = "6"
    & skf21("6","6","7","1","4","3","2","1") = "6"
    & skf21("6","6","7","1","4","3","3","1") = "6"
    & skf21("6","6","7","1","4","3","4","1") = "6"
    & skf21("6","6","7","1","4","3","5","1") = "6"
    & skf21("6","6","7","1","4","3","6","1") = "6"
    & skf21("6","6","7","1","4","3","7","1") = "6"
    & skf21("6","6","7","1","4","4","1","1") = "6"
    & skf21("6","6","7","1","4","4","2","1") = "6"
    & skf21("6","6","7","1","4","4","3","1") = "6"
    & skf21("6","6","7","1","4","4","4","1") = "6"
    & skf21("6","6","7","1","4","4","5","1") = "6"
    & skf21("6","6","7","1","4","4","6","1") = "6"
    & skf21("6","6","7","1","4","4","7","1") = "6"
    & skf21("6","6","7","1","4","5","1","1") = "6"
    & skf21("6","6","7","1","4","5","2","1") = "6"
    & skf21("6","6","7","1","4","5","3","1") = "6"
    & skf21("6","6","7","1","4","5","4","1") = "6"
    & skf21("6","6","7","1","4","5","5","1") = "6"
    & skf21("6","6","7","1","4","5","6","1") = "6"
    & skf21("6","6","7","1","4","5","7","1") = "6"
    & skf21("6","6","7","1","4","6","1","1") = "6"
    & skf21("6","6","7","1","4","6","2","1") = "6"
    & skf21("6","6","7","1","4","6","3","1") = "6"
    & skf21("6","6","7","1","4","6","4","1") = "6"
    & skf21("6","6","7","1","4","6","5","1") = "6"
    & skf21("6","6","7","1","4","6","6","1") = "6"
    & skf21("6","6","7","1","4","6","7","1") = "6"
    & skf21("6","6","7","1","4","7","1","1") = "6"
    & skf21("6","6","7","1","4","7","2","1") = "6"
    & skf21("6","6","7","1","4","7","3","1") = "6"
    & skf21("6","6","7","1","4","7","4","1") = "6"
    & skf21("6","6","7","1","4","7","5","1") = "6"
    & skf21("6","6","7","1","4","7","6","1") = "6"
    & skf21("6","6","7","1","4","7","7","1") = "6"
    & skf21("6","6","7","1","5","1","1","1") = "6"
    & skf21("6","6","7","1","5","1","2","1") = "6"
    & skf21("6","6","7","1","5","1","3","1") = "6"
    & skf21("6","6","7","1","5","1","4","1") = "6"
    & skf21("6","6","7","1","5","1","5","1") = "6"
    & skf21("6","6","7","1","5","1","6","1") = "6"
    & skf21("6","6","7","1","5","1","7","1") = "6"
    & skf21("6","6","7","1","5","2","1","1") = "6"
    & skf21("6","6","7","1","5","2","2","1") = "6"
    & skf21("6","6","7","1","5","2","3","1") = "6"
    & skf21("6","6","7","1","5","2","4","1") = "6"
    & skf21("6","6","7","1","5","2","5","1") = "6"
    & skf21("6","6","7","1","5","2","6","1") = "6"
    & skf21("6","6","7","1","5","2","7","1") = "6"
    & skf21("6","6","7","1","5","3","1","1") = "6"
    & skf21("6","6","7","1","5","3","2","1") = "6"
    & skf21("6","6","7","1","5","3","3","1") = "6"
    & skf21("6","6","7","1","5","3","4","1") = "6"
    & skf21("6","6","7","1","5","3","5","1") = "6"
    & skf21("6","6","7","1","5","3","6","1") = "6"
    & skf21("6","6","7","1","5","3","7","1") = "6"
    & skf21("6","6","7","1","5","4","1","1") = "6"
    & skf21("6","6","7","1","5","4","2","1") = "6"
    & skf21("6","6","7","1","5","4","3","1") = "6"
    & skf21("6","6","7","1","5","4","4","1") = "6"
    & skf21("6","6","7","1","5","4","5","1") = "6"
    & skf21("6","6","7","1","5","4","6","1") = "6"
    & skf21("6","6","7","1","5","4","7","1") = "6"
    & skf21("6","6","7","1","5","5","1","1") = "6"
    & skf21("6","6","7","1","5","5","2","1") = "6"
    & skf21("6","6","7","1","5","5","3","1") = "6"
    & skf21("6","6","7","1","5","5","4","1") = "6"
    & skf21("6","6","7","1","5","5","5","1") = "6"
    & skf21("6","6","7","1","5","5","6","1") = "6"
    & skf21("6","6","7","1","5","5","7","1") = "6"
    & skf21("6","6","7","1","5","6","1","1") = "6"
    & skf21("6","6","7","1","5","6","2","1") = "6"
    & skf21("6","6","7","1","5","6","3","1") = "6"
    & skf21("6","6","7","1","5","6","4","1") = "6"
    & skf21("6","6","7","1","5","6","5","1") = "6"
    & skf21("6","6","7","1","5","6","6","1") = "6"
    & skf21("6","6","7","1","5","6","7","1") = "6"
    & skf21("6","6","7","1","5","7","1","1") = "6"
    & skf21("6","6","7","1","5","7","2","1") = "6"
    & skf21("6","6","7","1","5","7","3","1") = "6"
    & skf21("6","6","7","1","5","7","4","1") = "6"
    & skf21("6","6","7","1","5","7","5","1") = "6"
    & skf21("6","6","7","1","5","7","6","1") = "6"
    & skf21("6","6","7","1","5","7","7","1") = "6"
    & skf21("6","6","7","1","6","1","1","1") = "6"
    & skf21("6","6","7","1","6","1","2","1") = "6"
    & skf21("6","6","7","1","6","1","3","1") = "6"
    & skf21("6","6","7","1","6","1","4","1") = "6"
    & skf21("6","6","7","1","6","1","5","1") = "6"
    & skf21("6","6","7","1","6","1","6","1") = "6"
    & skf21("6","6","7","1","6","1","7","1") = "6"
    & skf21("6","6","7","1","6","2","1","1") = "6"
    & skf21("6","6","7","1","6","2","2","1") = "6"
    & skf21("6","6","7","1","6","2","3","1") = "6"
    & skf21("6","6","7","1","6","2","4","1") = "6"
    & skf21("6","6","7","1","6","2","5","1") = "6"
    & skf21("6","6","7","1","6","2","6","1") = "6"
    & skf21("6","6","7","1","6","2","7","1") = "6"
    & skf21("6","6","7","1","6","3","1","1") = "6"
    & skf21("6","6","7","1","6","3","2","1") = "6"
    & skf21("6","6","7","1","6","3","3","1") = "6"
    & skf21("6","6","7","1","6","3","4","1") = "6"
    & skf21("6","6","7","1","6","3","5","1") = "6"
    & skf21("6","6","7","1","6","3","6","1") = "6"
    & skf21("6","6","7","1","6","3","7","1") = "6"
    & skf21("6","6","7","1","6","4","1","1") = "6"
    & skf21("6","6","7","1","6","4","2","1") = "6"
    & skf21("6","6","7","1","6","4","3","1") = "6"
    & skf21("6","6","7","1","6","4","4","1") = "6"
    & skf21("6","6","7","1","6","4","5","1") = "6"
    & skf21("6","6","7","1","6","4","6","1") = "6"
    & skf21("6","6","7","1","6","4","7","1") = "6"
    & skf21("6","6","7","1","6","5","1","1") = "6"
    & skf21("6","6","7","1","6","5","2","1") = "6"
    & skf21("6","6","7","1","6","5","3","1") = "6"
    & skf21("6","6","7","1","6","5","4","1") = "6"
    & skf21("6","6","7","1","6","5","5","1") = "6"
    & skf21("6","6","7","1","6","5","6","1") = "6"
    & skf21("6","6","7","1","6","5","7","1") = "6"
    & skf21("6","6","7","1","6","6","1","1") = "6"
    & skf21("6","6","7","1","6","6","2","1") = "6"
    & skf21("6","6","7","1","6","6","3","1") = "6"
    & skf21("6","6","7","1","6","6","4","1") = "6"
    & skf21("6","6","7","1","6","6","5","1") = "6"
    & skf21("6","6","7","1","6","6","6","1") = "6"
    & skf21("6","6","7","1","6","6","7","1") = "6"
    & skf21("6","6","7","1","6","7","1","1") = "6"
    & skf21("6","6","7","1","6","7","2","1") = "6"
    & skf21("6","6","7","1","6","7","3","1") = "6"
    & skf21("6","6","7","1","6","7","4","1") = "6"
    & skf21("6","6","7","1","6","7","5","1") = "6"
    & skf21("6","6","7","1","6","7","6","1") = "6"
    & skf21("6","6","7","1","6","7","7","1") = "6"
    & skf21("6","6","7","1","7","1","1","1") = "6"
    & skf21("6","6","7","1","7","1","2","1") = "6"
    & skf21("6","6","7","1","7","1","3","1") = "6"
    & skf21("6","6","7","1","7","1","4","1") = "6"
    & skf21("6","6","7","1","7","1","5","1") = "6"
    & skf21("6","6","7","1","7","1","6","1") = "6"
    & skf21("6","6","7","1","7","1","7","1") = "6"
    & skf21("6","6","7","1","7","2","1","1") = "6"
    & skf21("6","6","7","1","7","2","2","1") = "6"
    & skf21("6","6","7","1","7","2","3","1") = "6"
    & skf21("6","6","7","1","7","2","4","1") = "6"
    & skf21("6","6","7","1","7","2","5","1") = "6"
    & skf21("6","6","7","1","7","2","6","1") = "6"
    & skf21("6","6","7","1","7","2","7","1") = "6"
    & skf21("6","6","7","1","7","3","1","1") = "6"
    & skf21("6","6","7","1","7","3","2","1") = "6"
    & skf21("6","6","7","1","7","3","3","1") = "6"
    & skf21("6","6","7","1","7","3","4","1") = "6"
    & skf21("6","6","7","1","7","3","5","1") = "6"
    & skf21("6","6","7","1","7","3","6","1") = "6"
    & skf21("6","6","7","1","7","3","7","1") = "6"
    & skf21("6","6","7","1","7","4","1","1") = "6"
    & skf21("6","6","7","1","7","4","2","1") = "6"
    & skf21("6","6","7","1","7","4","3","1") = "6"
    & skf21("6","6","7","1","7","4","4","1") = "6"
    & skf21("6","6","7","1","7","4","5","1") = "6"
    & skf21("6","6","7","1","7","4","6","1") = "6"
    & skf21("6","6","7","1","7","4","7","1") = "6"
    & skf21("6","6","7","1","7","5","1","1") = "6"
    & skf21("6","6","7","1","7","5","2","1") = "6"
    & skf21("6","6","7","1","7","5","3","1") = "6"
    & skf21("6","6","7","1","7","5","4","1") = "6"
    & skf21("6","6","7","1","7","5","5","1") = "6"
    & skf21("6","6","7","1","7","5","6","1") = "6"
    & skf21("6","6","7","1","7","5","7","1") = "6"
    & skf21("6","6","7","1","7","6","1","1") = "6"
    & skf21("6","6","7","1","7","6","2","1") = "6"
    & skf21("6","6","7","1","7","6","3","1") = "6"
    & skf21("6","6","7","1","7","6","4","1") = "6"
    & skf21("6","6","7","1","7","6","5","1") = "6"
    & skf21("6","6","7","1","7","6","6","1") = "6"
    & skf21("6","6","7","1","7","6","7","1") = "6"
    & skf21("6","6","7","1","7","7","1","1") = "6"
    & skf21("6","6","7","1","7","7","2","1") = "6"
    & skf21("6","6","7","1","7","7","3","1") = "6"
    & skf21("6","6","7","1","7","7","4","1") = "6"
    & skf21("6","6","7","1","7","7","5","1") = "6"
    & skf21("6","6","7","1","7","7","6","1") = "6"
    & skf21("6","6","7","1","7","7","7","1") = "6"
    & skf21("6","6","7","2","1","1","1","1") = "6"
    & skf21("6","6","7","2","1","1","2","1") = "6"
    & skf21("6","6","7","2","1","1","3","1") = "6"
    & skf21("6","6","7","2","1","1","4","1") = "6"
    & skf21("6","6","7","2","1","1","5","1") = "6"
    & skf21("6","6","7","2","1","1","6","1") = "6"
    & skf21("6","6","7","2","1","1","7","1") = "6"
    & skf21("6","6","7","2","1","2","1","1") = "6"
    & skf21("6","6","7","2","1","2","2","1") = "6"
    & skf21("6","6","7","2","1","2","3","1") = "6"
    & skf21("6","6","7","2","1","2","4","1") = "6"
    & skf21("6","6","7","2","1","2","5","1") = "6"
    & skf21("6","6","7","2","1","2","6","1") = "6"
    & skf21("6","6","7","2","1","2","7","1") = "6"
    & skf21("6","6","7","2","1","3","1","1") = "6"
    & skf21("6","6","7","2","1","3","2","1") = "6"
    & skf21("6","6","7","2","1","3","3","1") = "6"
    & skf21("6","6","7","2","1","3","4","1") = "6"
    & skf21("6","6","7","2","1","3","5","1") = "6"
    & skf21("6","6","7","2","1","3","6","1") = "6"
    & skf21("6","6","7","2","1","3","7","1") = "6"
    & skf21("6","6","7","2","1","4","1","1") = "6"
    & skf21("6","6","7","2","1","4","2","1") = "6"
    & skf21("6","6","7","2","1","4","3","1") = "6"
    & skf21("6","6","7","2","1","4","4","1") = "6"
    & skf21("6","6","7","2","1","4","5","1") = "6"
    & skf21("6","6","7","2","1","4","6","1") = "6"
    & skf21("6","6","7","2","1","4","7","1") = "6"
    & skf21("6","6","7","2","1","5","1","1") = "6"
    & skf21("6","6","7","2","1","5","2","1") = "6"
    & skf21("6","6","7","2","1","5","3","1") = "6"
    & skf21("6","6","7","2","1","5","4","1") = "6"
    & skf21("6","6","7","2","1","5","5","1") = "6"
    & skf21("6","6","7","2","1","5","6","1") = "6"
    & skf21("6","6","7","2","1","5","7","1") = "6"
    & skf21("6","6","7","2","1","6","1","1") = "6"
    & skf21("6","6","7","2","1","6","2","1") = "6"
    & skf21("6","6","7","2","1","6","3","1") = "6"
    & skf21("6","6","7","2","1","6","4","1") = "6"
    & skf21("6","6","7","2","1","6","5","1") = "6"
    & skf21("6","6","7","2","1","6","6","1") = "6"
    & skf21("6","6","7","2","1","6","7","1") = "6"
    & skf21("6","6","7","2","1","7","1","1") = "6"
    & skf21("6","6","7","2","1","7","2","1") = "6"
    & skf21("6","6","7","2","1","7","3","1") = "6"
    & skf21("6","6","7","2","1","7","4","1") = "6"
    & skf21("6","6","7","2","1","7","5","1") = "6"
    & skf21("6","6","7","2","1","7","6","1") = "6"
    & skf21("6","6","7","2","1","7","7","1") = "6"
    & skf21("6","6","7","2","2","1","1","1") = "6"
    & skf21("6","6","7","2","2","1","2","1") = "6"
    & skf21("6","6","7","2","2","1","3","1") = "6"
    & skf21("6","6","7","2","2","1","4","1") = "6"
    & skf21("6","6","7","2","2","1","5","1") = "6"
    & skf21("6","6","7","2","2","1","6","1") = "6"
    & skf21("6","6","7","2","2","1","7","1") = "6"
    & skf21("6","6","7","2","2","2","1","1") = "6"
    & skf21("6","6","7","2","2","2","2","1") = "6"
    & skf21("6","6","7","2","2","2","3","1") = "6"
    & skf21("6","6","7","2","2","2","4","1") = "6"
    & skf21("6","6","7","2","2","2","5","1") = "6"
    & skf21("6","6","7","2","2","2","6","1") = "6"
    & skf21("6","6","7","2","2","2","7","1") = "6"
    & skf21("6","6","7","2","2","3","1","1") = "6"
    & skf21("6","6","7","2","2","3","2","1") = "6"
    & skf21("6","6","7","2","2","3","3","1") = "6"
    & skf21("6","6","7","2","2","3","4","1") = "6"
    & skf21("6","6","7","2","2","3","5","1") = "6"
    & skf21("6","6","7","2","2","3","6","1") = "6"
    & skf21("6","6","7","2","2","3","7","1") = "6"
    & skf21("6","6","7","2","2","4","1","1") = "6"
    & skf21("6","6","7","2","2","4","2","1") = "6"
    & skf21("6","6","7","2","2","4","3","1") = "6"
    & skf21("6","6","7","2","2","4","4","1") = "6"
    & skf21("6","6","7","2","2","4","5","1") = "6"
    & skf21("6","6","7","2","2","4","6","1") = "6"
    & skf21("6","6","7","2","2","4","7","1") = "6"
    & skf21("6","6","7","2","2","5","1","1") = "6"
    & skf21("6","6","7","2","2","5","2","1") = "6"
    & skf21("6","6","7","2","2","5","3","1") = "6"
    & skf21("6","6","7","2","2","5","4","1") = "6"
    & skf21("6","6","7","2","2","5","5","1") = "6"
    & skf21("6","6","7","2","2","5","6","1") = "6"
    & skf21("6","6","7","2","2","5","7","1") = "6"
    & skf21("6","6","7","2","2","6","1","1") = "6"
    & skf21("6","6","7","2","2","6","2","1") = "6"
    & skf21("6","6","7","2","2","6","3","1") = "6"
    & skf21("6","6","7","2","2","6","4","1") = "6"
    & skf21("6","6","7","2","2","6","5","1") = "6"
    & skf21("6","6","7","2","2","6","6","1") = "6"
    & skf21("6","6","7","2","2","6","7","1") = "6"
    & skf21("6","6","7","2","2","7","1","1") = "6"
    & skf21("6","6","7","2","2","7","2","1") = "6"
    & skf21("6","6","7","2","2","7","3","1") = "6"
    & skf21("6","6","7","2","2","7","4","1") = "6"
    & skf21("6","6","7","2","2","7","5","1") = "6"
    & skf21("6","6","7","2","2","7","6","1") = "6"
    & skf21("6","6","7","2","2","7","7","1") = "6"
    & skf21("6","6","7","2","3","1","1","1") = "6"
    & skf21("6","6","7","2","3","1","2","1") = "6"
    & skf21("6","6","7","2","3","1","3","1") = "6"
    & skf21("6","6","7","2","3","1","4","1") = "6"
    & skf21("6","6","7","2","3","1","5","1") = "6"
    & skf21("6","6","7","2","3","1","6","1") = "6"
    & skf21("6","6","7","2","3","1","7","1") = "6"
    & skf21("6","6","7","2","3","2","1","1") = "6"
    & skf21("6","6","7","2","3","2","2","1") = "6"
    & skf21("6","6","7","2","3","2","3","1") = "6"
    & skf21("6","6","7","2","3","2","4","1") = "6"
    & skf21("6","6","7","2","3","2","5","1") = "6"
    & skf21("6","6","7","2","3","2","6","1") = "6"
    & skf21("6","6","7","2","3","2","7","1") = "6"
    & skf21("6","6","7","2","3","3","1","1") = "6"
    & skf21("6","6","7","2","3","3","2","1") = "6"
    & skf21("6","6","7","2","3","3","3","1") = "6"
    & skf21("6","6","7","2","3","3","4","1") = "6"
    & skf21("6","6","7","2","3","3","5","1") = "6"
    & skf21("6","6","7","2","3","3","6","1") = "6"
    & skf21("6","6","7","2","3","3","7","1") = "6"
    & skf21("6","6","7","2","3","4","1","1") = "6"
    & skf21("6","6","7","2","3","4","2","1") = "6"
    & skf21("6","6","7","2","3","4","3","1") = "6"
    & skf21("6","6","7","2","3","4","4","1") = "6"
    & skf21("6","6","7","2","3","4","5","1") = "6"
    & skf21("6","6","7","2","3","4","6","1") = "6"
    & skf21("6","6","7","2","3","4","7","1") = "6"
    & skf21("6","6","7","2","3","5","1","1") = "6"
    & skf21("6","6","7","2","3","5","2","1") = "6"
    & skf21("6","6","7","2","3","5","3","1") = "6"
    & skf21("6","6","7","2","3","5","4","1") = "6"
    & skf21("6","6","7","2","3","5","5","1") = "6"
    & skf21("6","6","7","2","3","5","6","1") = "6"
    & skf21("6","6","7","2","3","5","7","1") = "6"
    & skf21("6","6","7","2","3","6","1","1") = "6"
    & skf21("6","6","7","2","3","6","2","1") = "6"
    & skf21("6","6","7","2","3","6","3","1") = "6"
    & skf21("6","6","7","2","3","6","4","1") = "6"
    & skf21("6","6","7","2","3","6","5","1") = "6"
    & skf21("6","6","7","2","3","6","6","1") = "6"
    & skf21("6","6","7","2","3","6","7","1") = "6"
    & skf21("6","6","7","2","3","7","1","1") = "6"
    & skf21("6","6","7","2","3","7","2","1") = "6"
    & skf21("6","6","7","2","3","7","3","1") = "6"
    & skf21("6","6","7","2","3","7","4","1") = "6"
    & skf21("6","6","7","2","3","7","5","1") = "6"
    & skf21("6","6","7","2","3","7","6","1") = "6"
    & skf21("6","6","7","2","3","7","7","1") = "6"
    & skf21("6","6","7","2","4","1","1","1") = "6"
    & skf21("6","6","7","2","4","1","2","1") = "6"
    & skf21("6","6","7","2","4","1","3","1") = "6"
    & skf21("6","6","7","2","4","1","4","1") = "6"
    & skf21("6","6","7","2","4","1","5","1") = "6"
    & skf21("6","6","7","2","4","1","6","1") = "6"
    & skf21("6","6","7","2","4","1","7","1") = "6"
    & skf21("6","6","7","2","4","2","1","1") = "6"
    & skf21("6","6","7","2","4","2","2","1") = "6"
    & skf21("6","6","7","2","4","2","3","1") = "6"
    & skf21("6","6","7","2","4","2","4","1") = "6"
    & skf21("6","6","7","2","4","2","5","1") = "6"
    & skf21("6","6","7","2","4","2","6","1") = "6"
    & skf21("6","6","7","2","4","2","7","1") = "6"
    & skf21("6","6","7","2","4","3","1","1") = "6"
    & skf21("6","6","7","2","4","3","2","1") = "6"
    & skf21("6","6","7","2","4","3","3","1") = "6"
    & skf21("6","6","7","2","4","3","4","1") = "6"
    & skf21("6","6","7","2","4","3","5","1") = "6"
    & skf21("6","6","7","2","4","3","6","1") = "6"
    & skf21("6","6","7","2","4","3","7","1") = "6"
    & skf21("6","6","7","2","4","4","1","1") = "6"
    & skf21("6","6","7","2","4","4","2","1") = "6"
    & skf21("6","6","7","2","4","4","3","1") = "6"
    & skf21("6","6","7","2","4","4","4","1") = "6"
    & skf21("6","6","7","2","4","4","5","1") = "6"
    & skf21("6","6","7","2","4","4","6","1") = "6"
    & skf21("6","6","7","2","4","4","7","1") = "6"
    & skf21("6","6","7","2","4","5","1","1") = "6"
    & skf21("6","6","7","2","4","5","2","1") = "6"
    & skf21("6","6","7","2","4","5","3","1") = "6"
    & skf21("6","6","7","2","4","5","4","1") = "6"
    & skf21("6","6","7","2","4","5","5","1") = "6"
    & skf21("6","6","7","2","4","5","6","1") = "6"
    & skf21("6","6","7","2","4","5","7","1") = "6"
    & skf21("6","6","7","2","4","6","1","1") = "6"
    & skf21("6","6","7","2","4","6","2","1") = "6"
    & skf21("6","6","7","2","4","6","3","1") = "6"
    & skf21("6","6","7","2","4","6","4","1") = "6"
    & skf21("6","6","7","2","4","6","5","1") = "6"
    & skf21("6","6","7","2","4","6","6","1") = "6"
    & skf21("6","6","7","2","4","6","7","1") = "6"
    & skf21("6","6","7","2","4","7","1","1") = "6"
    & skf21("6","6","7","2","4","7","2","1") = "6"
    & skf21("6","6","7","2","4","7","3","1") = "6"
    & skf21("6","6","7","2","4","7","4","1") = "6"
    & skf21("6","6","7","2","4","7","5","1") = "6"
    & skf21("6","6","7","2","4","7","6","1") = "6"
    & skf21("6","6","7","2","4","7","7","1") = "6"
    & skf21("6","6","7","2","5","1","1","1") = "6"
    & skf21("6","6","7","2","5","1","2","1") = "6"
    & skf21("6","6","7","2","5","1","3","1") = "6"
    & skf21("6","6","7","2","5","1","4","1") = "6"
    & skf21("6","6","7","2","5","1","5","1") = "6"
    & skf21("6","6","7","2","5","1","6","1") = "6"
    & skf21("6","6","7","2","5","1","7","1") = "6"
    & skf21("6","6","7","2","5","2","1","1") = "6"
    & skf21("6","6","7","2","5","2","2","1") = "6"
    & skf21("6","6","7","2","5","2","3","1") = "6"
    & skf21("6","6","7","2","5","2","4","1") = "6"
    & skf21("6","6","7","2","5","2","5","1") = "6"
    & skf21("6","6","7","2","5","2","6","1") = "6"
    & skf21("6","6","7","2","5","2","7","1") = "6"
    & skf21("6","6","7","2","5","3","1","1") = "6"
    & skf21("6","6","7","2","5","3","2","1") = "6"
    & skf21("6","6","7","2","5","3","3","1") = "6"
    & skf21("6","6","7","2","5","3","4","1") = "6"
    & skf21("6","6","7","2","5","3","5","1") = "6"
    & skf21("6","6","7","2","5","3","6","1") = "6"
    & skf21("6","6","7","2","5","3","7","1") = "6"
    & skf21("6","6","7","2","5","4","1","1") = "6"
    & skf21("6","6","7","2","5","4","2","1") = "6"
    & skf21("6","6","7","2","5","4","3","1") = "6"
    & skf21("6","6","7","2","5","4","4","1") = "6"
    & skf21("6","6","7","2","5","4","5","1") = "6"
    & skf21("6","6","7","2","5","4","6","1") = "6"
    & skf21("6","6","7","2","5","4","7","1") = "6"
    & skf21("6","6","7","2","5","5","1","1") = "6"
    & skf21("6","6","7","2","5","5","2","1") = "6"
    & skf21("6","6","7","2","5","5","3","1") = "6"
    & skf21("6","6","7","2","5","5","4","1") = "6"
    & skf21("6","6","7","2","5","5","5","1") = "6"
    & skf21("6","6","7","2","5","5","6","1") = "6"
    & skf21("6","6","7","2","5","5","7","1") = "6"
    & skf21("6","6","7","2","5","6","1","1") = "6"
    & skf21("6","6","7","2","5","6","2","1") = "6"
    & skf21("6","6","7","2","5","6","3","1") = "6"
    & skf21("6","6","7","2","5","6","4","1") = "6"
    & skf21("6","6","7","2","5","6","5","1") = "6"
    & skf21("6","6","7","2","5","6","6","1") = "6"
    & skf21("6","6","7","2","5","6","7","1") = "6"
    & skf21("6","6","7","2","5","7","1","1") = "6"
    & skf21("6","6","7","2","5","7","2","1") = "6"
    & skf21("6","6","7","2","5","7","3","1") = "6"
    & skf21("6","6","7","2","5","7","4","1") = "6"
    & skf21("6","6","7","2","5","7","5","1") = "6"
    & skf21("6","6","7","2","5","7","6","1") = "6"
    & skf21("6","6","7","2","5","7","7","1") = "6"
    & skf21("6","6","7","2","6","1","1","1") = "6"
    & skf21("6","6","7","2","6","1","2","1") = "6"
    & skf21("6","6","7","2","6","1","3","1") = "6"
    & skf21("6","6","7","2","6","1","4","1") = "6"
    & skf21("6","6","7","2","6","1","5","1") = "6"
    & skf21("6","6","7","2","6","1","6","1") = "6"
    & skf21("6","6","7","2","6","1","7","1") = "6"
    & skf21("6","6","7","2","6","2","1","1") = "6"
    & skf21("6","6","7","2","6","2","2","1") = "6"
    & skf21("6","6","7","2","6","2","3","1") = "6"
    & skf21("6","6","7","2","6","2","4","1") = "6"
    & skf21("6","6","7","2","6","2","5","1") = "6"
    & skf21("6","6","7","2","6","2","6","1") = "6"
    & skf21("6","6","7","2","6","2","7","1") = "6"
    & skf21("6","6","7","2","6","3","1","1") = "6"
    & skf21("6","6","7","2","6","3","2","1") = "6"
    & skf21("6","6","7","2","6","3","3","1") = "6"
    & skf21("6","6","7","2","6","3","4","1") = "6"
    & skf21("6","6","7","2","6","3","5","1") = "6"
    & skf21("6","6","7","2","6","3","6","1") = "6"
    & skf21("6","6","7","2","6","3","7","1") = "6"
    & skf21("6","6","7","2","6","4","1","1") = "6"
    & skf21("6","6","7","2","6","4","2","1") = "6"
    & skf21("6","6","7","2","6","4","3","1") = "6"
    & skf21("6","6","7","2","6","4","4","1") = "6"
    & skf21("6","6","7","2","6","4","5","1") = "6"
    & skf21("6","6","7","2","6","4","6","1") = "6"
    & skf21("6","6","7","2","6","4","7","1") = "6"
    & skf21("6","6","7","2","6","5","1","1") = "6"
    & skf21("6","6","7","2","6","5","2","1") = "6"
    & skf21("6","6","7","2","6","5","3","1") = "6"
    & skf21("6","6","7","2","6","5","4","1") = "6"
    & skf21("6","6","7","2","6","5","5","1") = "6"
    & skf21("6","6","7","2","6","5","6","1") = "6"
    & skf21("6","6","7","2","6","5","7","1") = "6"
    & skf21("6","6","7","2","6","6","1","1") = "6"
    & skf21("6","6","7","2","6","6","2","1") = "6"
    & skf21("6","6","7","2","6","6","3","1") = "6"
    & skf21("6","6","7","2","6","6","4","1") = "6"
    & skf21("6","6","7","2","6","6","5","1") = "6"
    & skf21("6","6","7","2","6","6","6","1") = "6"
    & skf21("6","6","7","2","6","6","7","1") = "6"
    & skf21("6","6","7","2","6","7","1","1") = "6"
    & skf21("6","6","7","2","6","7","2","1") = "6"
    & skf21("6","6","7","2","6","7","3","1") = "6"
    & skf21("6","6","7","2","6","7","4","1") = "6"
    & skf21("6","6","7","2","6","7","5","1") = "6"
    & skf21("6","6","7","2","6","7","6","1") = "6"
    & skf21("6","6","7","2","6","7","7","1") = "6"
    & skf21("6","6","7","2","7","1","1","1") = "6"
    & skf21("6","6","7","2","7","1","2","1") = "6"
    & skf21("6","6","7","2","7","1","3","1") = "6"
    & skf21("6","6","7","2","7","1","4","1") = "6"
    & skf21("6","6","7","2","7","1","5","1") = "6"
    & skf21("6","6","7","2","7","1","6","1") = "6"
    & skf21("6","6","7","2","7","1","7","1") = "6"
    & skf21("6","6","7","2","7","2","1","1") = "6"
    & skf21("6","6","7","2","7","2","2","1") = "6"
    & skf21("6","6","7","2","7","2","3","1") = "6"
    & skf21("6","6","7","2","7","2","4","1") = "6"
    & skf21("6","6","7","2","7","2","5","1") = "6"
    & skf21("6","6","7","2","7","2","6","1") = "6"
    & skf21("6","6","7","2","7","2","7","1") = "6"
    & skf21("6","6","7","2","7","3","1","1") = "6"
    & skf21("6","6","7","2","7","3","2","1") = "6"
    & skf21("6","6","7","2","7","3","3","1") = "6"
    & skf21("6","6","7","2","7","3","4","1") = "6"
    & skf21("6","6","7","2","7","3","5","1") = "6"
    & skf21("6","6","7","2","7","3","6","1") = "6"
    & skf21("6","6","7","2","7","3","7","1") = "6"
    & skf21("6","6","7","2","7","4","1","1") = "6"
    & skf21("6","6","7","2","7","4","2","1") = "6"
    & skf21("6","6","7","2","7","4","3","1") = "6"
    & skf21("6","6","7","2","7","4","4","1") = "6"
    & skf21("6","6","7","2","7","4","5","1") = "6"
    & skf21("6","6","7","2","7","4","6","1") = "6"
    & skf21("6","6","7","2","7","4","7","1") = "6"
    & skf21("6","6","7","2","7","5","1","1") = "6"
    & skf21("6","6","7","2","7","5","2","1") = "6"
    & skf21("6","6","7","2","7","5","3","1") = "6"
    & skf21("6","6","7","2","7","5","4","1") = "6"
    & skf21("6","6","7","2","7","5","5","1") = "6"
    & skf21("6","6","7","2","7","5","6","1") = "6"
    & skf21("6","6","7","2","7","5","7","1") = "6"
    & skf21("6","6","7","2","7","6","1","1") = "6"
    & skf21("6","6","7","2","7","6","2","1") = "6"
    & skf21("6","6","7","2","7","6","3","1") = "6"
    & skf21("6","6","7","2","7","6","4","1") = "6"
    & skf21("6","6","7","2","7","6","5","1") = "6"
    & skf21("6","6","7","2","7","6","6","1") = "6"
    & skf21("6","6","7","2","7","6","7","1") = "6"
    & skf21("6","6","7","2","7","7","1","1") = "6"
    & skf21("6","6","7","2","7","7","2","1") = "6"
    & skf21("6","6","7","2","7","7","3","1") = "6"
    & skf21("6","6","7","2","7","7","4","1") = "6"
    & skf21("6","6","7","2","7","7","5","1") = "6"
    & skf21("6","6","7","2","7","7","6","1") = "6"
    & skf21("6","6","7","2","7","7","7","1") = "6"
    & skf21("6","6","7","3","1","1","1","1") = "6"
    & skf21("6","6","7","3","1","1","2","1") = "6"
    & skf21("6","6","7","3","1","1","3","1") = "6"
    & skf21("6","6","7","3","1","1","4","1") = "6"
    & skf21("6","6","7","3","1","1","5","1") = "6"
    & skf21("6","6","7","3","1","1","6","1") = "6"
    & skf21("6","6","7","3","1","1","7","1") = "6"
    & skf21("6","6","7","3","1","2","1","1") = "6"
    & skf21("6","6","7","3","1","2","2","1") = "6"
    & skf21("6","6","7","3","1","2","3","1") = "6"
    & skf21("6","6","7","3","1","2","4","1") = "6"
    & skf21("6","6","7","3","1","2","5","1") = "6"
    & skf21("6","6","7","3","1","2","6","1") = "6"
    & skf21("6","6","7","3","1","2","7","1") = "6"
    & skf21("6","6","7","3","1","3","1","1") = "6"
    & skf21("6","6","7","3","1","3","2","1") = "6"
    & skf21("6","6","7","3","1","3","3","1") = "6"
    & skf21("6","6","7","3","1","3","4","1") = "6"
    & skf21("6","6","7","3","1","3","5","1") = "6"
    & skf21("6","6","7","3","1","3","6","1") = "6"
    & skf21("6","6","7","3","1","3","7","1") = "6"
    & skf21("6","6","7","3","1","4","1","1") = "6"
    & skf21("6","6","7","3","1","4","2","1") = "6"
    & skf21("6","6","7","3","1","4","3","1") = "6"
    & skf21("6","6","7","3","1","4","4","1") = "6"
    & skf21("6","6","7","3","1","4","5","1") = "6"
    & skf21("6","6","7","3","1","4","6","1") = "6"
    & skf21("6","6","7","3","1","4","7","1") = "6"
    & skf21("6","6","7","3","1","5","1","1") = "6"
    & skf21("6","6","7","3","1","5","2","1") = "6"
    & skf21("6","6","7","3","1","5","3","1") = "6"
    & skf21("6","6","7","3","1","5","4","1") = "6"
    & skf21("6","6","7","3","1","5","5","1") = "6"
    & skf21("6","6","7","3","1","5","6","1") = "6"
    & skf21("6","6","7","3","1","5","7","1") = "6"
    & skf21("6","6","7","3","1","6","1","1") = "6"
    & skf21("6","6","7","3","1","6","2","1") = "6"
    & skf21("6","6","7","3","1","6","3","1") = "6"
    & skf21("6","6","7","3","1","6","4","1") = "6"
    & skf21("6","6","7","3","1","6","5","1") = "6"
    & skf21("6","6","7","3","1","6","6","1") = "6"
    & skf21("6","6","7","3","1","6","7","1") = "6"
    & skf21("6","6","7","3","1","7","1","1") = "6"
    & skf21("6","6","7","3","1","7","2","1") = "6"
    & skf21("6","6","7","3","1","7","3","1") = "6"
    & skf21("6","6","7","3","1","7","4","1") = "6"
    & skf21("6","6","7","3","1","7","5","1") = "6"
    & skf21("6","6","7","3","1","7","6","1") = "6"
    & skf21("6","6","7","3","1","7","7","1") = "6"
    & skf21("6","6","7","3","2","1","1","1") = "6"
    & skf21("6","6","7","3","2","1","2","1") = "6"
    & skf21("6","6","7","3","2","1","3","1") = "6"
    & skf21("6","6","7","3","2","1","4","1") = "6"
    & skf21("6","6","7","3","2","1","5","1") = "6"
    & skf21("6","6","7","3","2","1","6","1") = "6"
    & skf21("6","6","7","3","2","1","7","1") = "6"
    & skf21("6","6","7","3","2","2","1","1") = "6"
    & skf21("6","6","7","3","2","2","2","1") = "6"
    & skf21("6","6","7","3","2","2","3","1") = "6"
    & skf21("6","6","7","3","2","2","4","1") = "6"
    & skf21("6","6","7","3","2","2","5","1") = "6"
    & skf21("6","6","7","3","2","2","6","1") = "6"
    & skf21("6","6","7","3","2","2","7","1") = "6"
    & skf21("6","6","7","3","2","3","1","1") = "6"
    & skf21("6","6","7","3","2","3","2","1") = "6"
    & skf21("6","6","7","3","2","3","3","1") = "6"
    & skf21("6","6","7","3","2","3","4","1") = "6"
    & skf21("6","6","7","3","2","3","5","1") = "6"
    & skf21("6","6","7","3","2","3","6","1") = "6"
    & skf21("6","6","7","3","2","3","7","1") = "6"
    & skf21("6","6","7","3","2","4","1","1") = "6"
    & skf21("6","6","7","3","2","4","2","1") = "6"
    & skf21("6","6","7","3","2","4","3","1") = "6"
    & skf21("6","6","7","3","2","4","4","1") = "6"
    & skf21("6","6","7","3","2","4","5","1") = "6"
    & skf21("6","6","7","3","2","4","6","1") = "6"
    & skf21("6","6","7","3","2","4","7","1") = "6"
    & skf21("6","6","7","3","2","5","1","1") = "6"
    & skf21("6","6","7","3","2","5","2","1") = "6"
    & skf21("6","6","7","3","2","5","3","1") = "6"
    & skf21("6","6","7","3","2","5","4","1") = "6"
    & skf21("6","6","7","3","2","5","5","1") = "6"
    & skf21("6","6","7","3","2","5","6","1") = "6"
    & skf21("6","6","7","3","2","5","7","1") = "6"
    & skf21("6","6","7","3","2","6","1","1") = "6"
    & skf21("6","6","7","3","2","6","2","1") = "6"
    & skf21("6","6","7","3","2","6","3","1") = "6"
    & skf21("6","6","7","3","2","6","4","1") = "6"
    & skf21("6","6","7","3","2","6","5","1") = "6"
    & skf21("6","6","7","3","2","6","6","1") = "6"
    & skf21("6","6","7","3","2","6","7","1") = "6"
    & skf21("6","6","7","3","2","7","1","1") = "6"
    & skf21("6","6","7","3","2","7","2","1") = "6"
    & skf21("6","6","7","3","2","7","3","1") = "6"
    & skf21("6","6","7","3","2","7","4","1") = "6"
    & skf21("6","6","7","3","2","7","5","1") = "6"
    & skf21("6","6","7","3","2","7","6","1") = "6"
    & skf21("6","6","7","3","2","7","7","1") = "6"
    & skf21("6","6","7","3","3","1","1","1") = "6"
    & skf21("6","6","7","3","3","1","2","1") = "6"
    & skf21("6","6","7","3","3","1","3","1") = "6"
    & skf21("6","6","7","3","3","1","4","1") = "6"
    & skf21("6","6","7","3","3","1","5","1") = "6"
    & skf21("6","6","7","3","3","1","6","1") = "6"
    & skf21("6","6","7","3","3","1","7","1") = "6"
    & skf21("6","6","7","3","3","2","1","1") = "6"
    & skf21("6","6","7","3","3","2","2","1") = "6"
    & skf21("6","6","7","3","3","2","3","1") = "6"
    & skf21("6","6","7","3","3","2","4","1") = "6"
    & skf21("6","6","7","3","3","2","5","1") = "6"
    & skf21("6","6","7","3","3","2","6","1") = "6"
    & skf21("6","6","7","3","3","2","7","1") = "6"
    & skf21("6","6","7","3","3","3","1","1") = "6"
    & skf21("6","6","7","3","3","3","2","1") = "6"
    & skf21("6","6","7","3","3","3","3","1") = "6"
    & skf21("6","6","7","3","3","3","4","1") = "6"
    & skf21("6","6","7","3","3","3","5","1") = "6"
    & skf21("6","6","7","3","3","3","6","1") = "6"
    & skf21("6","6","7","3","3","3","7","1") = "6"
    & skf21("6","6","7","3","3","4","1","1") = "6"
    & skf21("6","6","7","3","3","4","2","1") = "6"
    & skf21("6","6","7","3","3","4","3","1") = "6"
    & skf21("6","6","7","3","3","4","4","1") = "6"
    & skf21("6","6","7","3","3","4","5","1") = "6"
    & skf21("6","6","7","3","3","4","6","1") = "6"
    & skf21("6","6","7","3","3","4","7","1") = "6"
    & skf21("6","6","7","3","3","5","1","1") = "6"
    & skf21("6","6","7","3","3","5","2","1") = "6"
    & skf21("6","6","7","3","3","5","3","1") = "6"
    & skf21("6","6","7","3","3","5","4","1") = "6"
    & skf21("6","6","7","3","3","5","5","1") = "6"
    & skf21("6","6","7","3","3","5","6","1") = "6"
    & skf21("6","6","7","3","3","5","7","1") = "6"
    & skf21("6","6","7","3","3","6","1","1") = "6"
    & skf21("6","6","7","3","3","6","2","1") = "6"
    & skf21("6","6","7","3","3","6","3","1") = "6"
    & skf21("6","6","7","3","3","6","4","1") = "6"
    & skf21("6","6","7","3","3","6","5","1") = "6"
    & skf21("6","6","7","3","3","6","6","1") = "6"
    & skf21("6","6","7","3","3","6","7","1") = "6"
    & skf21("6","6","7","3","3","7","1","1") = "6"
    & skf21("6","6","7","3","3","7","2","1") = "6"
    & skf21("6","6","7","3","3","7","3","1") = "6"
    & skf21("6","6","7","3","3","7","4","1") = "6"
    & skf21("6","6","7","3","3","7","5","1") = "6"
    & skf21("6","6","7","3","3","7","6","1") = "6"
    & skf21("6","6","7","3","3","7","7","1") = "6"
    & skf21("6","6","7","3","4","1","1","1") = "6"
    & skf21("6","6","7","3","4","1","2","1") = "6"
    & skf21("6","6","7","3","4","1","3","1") = "6"
    & skf21("6","6","7","3","4","1","4","1") = "6"
    & skf21("6","6","7","3","4","1","5","1") = "6"
    & skf21("6","6","7","3","4","1","6","1") = "6"
    & skf21("6","6","7","3","4","1","7","1") = "6"
    & skf21("6","6","7","3","4","2","1","1") = "6"
    & skf21("6","6","7","3","4","2","2","1") = "6"
    & skf21("6","6","7","3","4","2","3","1") = "6"
    & skf21("6","6","7","3","4","2","4","1") = "6"
    & skf21("6","6","7","3","4","2","5","1") = "6"
    & skf21("6","6","7","3","4","2","6","1") = "6"
    & skf21("6","6","7","3","4","2","7","1") = "6"
    & skf21("6","6","7","3","4","3","1","1") = "6"
    & skf21("6","6","7","3","4","3","2","1") = "6"
    & skf21("6","6","7","3","4","3","3","1") = "6"
    & skf21("6","6","7","3","4","3","4","1") = "6"
    & skf21("6","6","7","3","4","3","5","1") = "6"
    & skf21("6","6","7","3","4","3","6","1") = "6"
    & skf21("6","6","7","3","4","3","7","1") = "6"
    & skf21("6","6","7","3","4","4","1","1") = "6"
    & skf21("6","6","7","3","4","4","2","1") = "6"
    & skf21("6","6","7","3","4","4","3","1") = "6"
    & skf21("6","6","7","3","4","4","4","1") = "6"
    & skf21("6","6","7","3","4","4","5","1") = "6"
    & skf21("6","6","7","3","4","4","6","1") = "6"
    & skf21("6","6","7","3","4","4","7","1") = "6"
    & skf21("6","6","7","3","4","5","1","1") = "6"
    & skf21("6","6","7","3","4","5","2","1") = "6"
    & skf21("6","6","7","3","4","5","3","1") = "6"
    & skf21("6","6","7","3","4","5","4","1") = "6"
    & skf21("6","6","7","3","4","5","5","1") = "6"
    & skf21("6","6","7","3","4","5","6","1") = "6"
    & skf21("6","6","7","3","4","5","7","1") = "6"
    & skf21("6","6","7","3","4","6","1","1") = "6"
    & skf21("6","6","7","3","4","6","2","1") = "6"
    & skf21("6","6","7","3","4","6","3","1") = "6"
    & skf21("6","6","7","3","4","6","4","1") = "6"
    & skf21("6","6","7","3","4","6","5","1") = "6"
    & skf21("6","6","7","3","4","6","6","1") = "6"
    & skf21("6","6","7","3","4","6","7","1") = "6"
    & skf21("6","6","7","3","4","7","1","1") = "6"
    & skf21("6","6","7","3","4","7","2","1") = "6"
    & skf21("6","6","7","3","4","7","3","1") = "6"
    & skf21("6","6","7","3","4","7","4","1") = "6"
    & skf21("6","6","7","3","4","7","5","1") = "6"
    & skf21("6","6","7","3","4","7","6","1") = "6"
    & skf21("6","6","7","3","4","7","7","1") = "6"
    & skf21("6","6","7","3","5","1","1","1") = "6"
    & skf21("6","6","7","3","5","1","2","1") = "6"
    & skf21("6","6","7","3","5","1","3","1") = "6"
    & skf21("6","6","7","3","5","1","4","1") = "6"
    & skf21("6","6","7","3","5","1","5","1") = "6"
    & skf21("6","6","7","3","5","1","6","1") = "6"
    & skf21("6","6","7","3","5","1","7","1") = "6"
    & skf21("6","6","7","3","5","2","1","1") = "6"
    & skf21("6","6","7","3","5","2","2","1") = "6"
    & skf21("6","6","7","3","5","2","3","1") = "6"
    & skf21("6","6","7","3","5","2","4","1") = "6"
    & skf21("6","6","7","3","5","2","5","1") = "6"
    & skf21("6","6","7","3","5","2","6","1") = "6"
    & skf21("6","6","7","3","5","2","7","1") = "6"
    & skf21("6","6","7","3","5","3","1","1") = "6"
    & skf21("6","6","7","3","5","3","2","1") = "6"
    & skf21("6","6","7","3","5","3","3","1") = "6"
    & skf21("6","6","7","3","5","3","4","1") = "6"
    & skf21("6","6","7","3","5","3","5","1") = "6"
    & skf21("6","6","7","3","5","3","6","1") = "6"
    & skf21("6","6","7","3","5","3","7","1") = "6"
    & skf21("6","6","7","3","5","4","1","1") = "6"
    & skf21("6","6","7","3","5","4","2","1") = "6"
    & skf21("6","6","7","3","5","4","3","1") = "6"
    & skf21("6","6","7","3","5","4","4","1") = "6"
    & skf21("6","6","7","3","5","4","5","1") = "6"
    & skf21("6","6","7","3","5","4","6","1") = "6"
    & skf21("6","6","7","3","5","4","7","1") = "6"
    & skf21("6","6","7","3","5","5","1","1") = "6"
    & skf21("6","6","7","3","5","5","2","1") = "6"
    & skf21("6","6","7","3","5","5","3","1") = "6"
    & skf21("6","6","7","3","5","5","4","1") = "6"
    & skf21("6","6","7","3","5","5","5","1") = "6"
    & skf21("6","6","7","3","5","5","6","1") = "6"
    & skf21("6","6","7","3","5","5","7","1") = "6"
    & skf21("6","6","7","3","5","6","1","1") = "6"
    & skf21("6","6","7","3","5","6","2","1") = "6"
    & skf21("6","6","7","3","5","6","3","1") = "6"
    & skf21("6","6","7","3","5","6","4","1") = "6"
    & skf21("6","6","7","3","5","6","5","1") = "6"
    & skf21("6","6","7","3","5","6","6","1") = "6"
    & skf21("6","6","7","3","5","6","7","1") = "6"
    & skf21("6","6","7","3","5","7","1","1") = "6"
    & skf21("6","6","7","3","5","7","2","1") = "6"
    & skf21("6","6","7","3","5","7","3","1") = "6"
    & skf21("6","6","7","3","5","7","4","1") = "6"
    & skf21("6","6","7","3","5","7","5","1") = "6"
    & skf21("6","6","7","3","5","7","6","1") = "6"
    & skf21("6","6","7","3","5","7","7","1") = "6"
    & skf21("6","6","7","3","6","1","1","1") = "6"
    & skf21("6","6","7","3","6","1","2","1") = "6"
    & skf21("6","6","7","3","6","1","3","1") = "6"
    & skf21("6","6","7","3","6","1","4","1") = "6"
    & skf21("6","6","7","3","6","1","5","1") = "6"
    & skf21("6","6","7","3","6","1","6","1") = "6"
    & skf21("6","6","7","3","6","1","7","1") = "6"
    & skf21("6","6","7","3","6","2","1","1") = "6"
    & skf21("6","6","7","3","6","2","2","1") = "6"
    & skf21("6","6","7","3","6","2","3","1") = "6"
    & skf21("6","6","7","3","6","2","4","1") = "6"
    & skf21("6","6","7","3","6","2","5","1") = "6"
    & skf21("6","6","7","3","6","2","6","1") = "6"
    & skf21("6","6","7","3","6","2","7","1") = "6"
    & skf21("6","6","7","3","6","3","1","1") = "6"
    & skf21("6","6","7","3","6","3","2","1") = "6"
    & skf21("6","6","7","3","6","3","3","1") = "6"
    & skf21("6","6","7","3","6","3","4","1") = "6"
    & skf21("6","6","7","3","6","3","5","1") = "6"
    & skf21("6","6","7","3","6","3","6","1") = "6"
    & skf21("6","6","7","3","6","3","7","1") = "6"
    & skf21("6","6","7","3","6","4","1","1") = "6"
    & skf21("6","6","7","3","6","4","2","1") = "6"
    & skf21("6","6","7","3","6","4","3","1") = "6"
    & skf21("6","6","7","3","6","4","4","1") = "6"
    & skf21("6","6","7","3","6","4","5","1") = "6"
    & skf21("6","6","7","3","6","4","6","1") = "6"
    & skf21("6","6","7","3","6","4","7","1") = "6"
    & skf21("6","6","7","3","6","5","1","1") = "6"
    & skf21("6","6","7","3","6","5","2","1") = "6"
    & skf21("6","6","7","3","6","5","3","1") = "6"
    & skf21("6","6","7","3","6","5","4","1") = "6"
    & skf21("6","6","7","3","6","5","5","1") = "6"
    & skf21("6","6","7","3","6","5","6","1") = "6"
    & skf21("6","6","7","3","6","5","7","1") = "6"
    & skf21("6","6","7","3","6","6","1","1") = "6"
    & skf21("6","6","7","3","6","6","2","1") = "6"
    & skf21("6","6","7","3","6","6","3","1") = "6"
    & skf21("6","6","7","3","6","6","4","1") = "6"
    & skf21("6","6","7","3","6","6","5","1") = "6"
    & skf21("6","6","7","3","6","6","6","1") = "6"
    & skf21("6","6","7","3","6","6","7","1") = "6"
    & skf21("6","6","7","3","6","7","1","1") = "6"
    & skf21("6","6","7","3","6","7","2","1") = "6"
    & skf21("6","6","7","3","6","7","3","1") = "6"
    & skf21("6","6","7","3","6","7","4","1") = "6"
    & skf21("6","6","7","3","6","7","5","1") = "6"
    & skf21("6","6","7","3","6","7","6","1") = "6"
    & skf21("6","6","7","3","6","7","7","1") = "6"
    & skf21("6","6","7","3","7","1","1","1") = "6"
    & skf21("6","6","7","3","7","1","2","1") = "6"
    & skf21("6","6","7","3","7","1","3","1") = "6"
    & skf21("6","6","7","3","7","1","4","1") = "6"
    & skf21("6","6","7","3","7","1","5","1") = "6"
    & skf21("6","6","7","3","7","1","6","1") = "6"
    & skf21("6","6","7","3","7","1","7","1") = "6"
    & skf21("6","6","7","3","7","2","1","1") = "6"
    & skf21("6","6","7","3","7","2","2","1") = "6"
    & skf21("6","6","7","3","7","2","3","1") = "6"
    & skf21("6","6","7","3","7","2","4","1") = "6"
    & skf21("6","6","7","3","7","2","5","1") = "6"
    & skf21("6","6","7","3","7","2","6","1") = "6"
    & skf21("6","6","7","3","7","2","7","1") = "6"
    & skf21("6","6","7","3","7","3","1","1") = "6"
    & skf21("6","6","7","3","7","3","2","1") = "6"
    & skf21("6","6","7","3","7","3","3","1") = "6"
    & skf21("6","6","7","3","7","3","4","1") = "6"
    & skf21("6","6","7","3","7","3","5","1") = "6"
    & skf21("6","6","7","3","7","3","6","1") = "6"
    & skf21("6","6","7","3","7","3","7","1") = "6"
    & skf21("6","6","7","3","7","4","1","1") = "6"
    & skf21("6","6","7","3","7","4","2","1") = "6"
    & skf21("6","6","7","3","7","4","3","1") = "6"
    & skf21("6","6","7","3","7","4","4","1") = "6"
    & skf21("6","6","7","3","7","4","5","1") = "6"
    & skf21("6","6","7","3","7","4","6","1") = "6"
    & skf21("6","6","7","3","7","4","7","1") = "6"
    & skf21("6","6","7","3","7","5","1","1") = "6"
    & skf21("6","6","7","3","7","5","2","1") = "6"
    & skf21("6","6","7","3","7","5","3","1") = "6"
    & skf21("6","6","7","3","7","5","4","1") = "6"
    & skf21("6","6","7","3","7","5","5","1") = "6"
    & skf21("6","6","7","3","7","5","6","1") = "6"
    & skf21("6","6","7","3","7","5","7","1") = "6"
    & skf21("6","6","7","3","7","6","1","1") = "6"
    & skf21("6","6","7","3","7","6","2","1") = "6"
    & skf21("6","6","7","3","7","6","3","1") = "6"
    & skf21("6","6","7","3","7","6","4","1") = "6"
    & skf21("6","6","7","3","7","6","5","1") = "6"
    & skf21("6","6","7","3","7","6","6","1") = "6"
    & skf21("6","6","7","3","7","6","7","1") = "6"
    & skf21("6","6","7","3","7","7","1","1") = "6"
    & skf21("6","6","7","3","7","7","2","1") = "6"
    & skf21("6","6","7","3","7","7","3","1") = "6"
    & skf21("6","6","7","3","7","7","4","1") = "6"
    & skf21("6","6","7","3","7","7","5","1") = "6"
    & skf21("6","6","7","3","7","7","6","1") = "6"
    & skf21("6","6","7","3","7","7","7","1") = "6"
    & skf21("6","6","7","4","1","1","1","1") = "6"
    & skf21("6","6","7","4","1","1","2","1") = "6"
    & skf21("6","6","7","4","1","1","3","1") = "6"
    & skf21("6","6","7","4","1","1","4","1") = "6"
    & skf21("6","6","7","4","1","1","5","1") = "6"
    & skf21("6","6","7","4","1","1","6","1") = "6"
    & skf21("6","6","7","4","1","1","7","1") = "6"
    & skf21("6","6","7","4","1","2","1","1") = "6"
    & skf21("6","6","7","4","1","2","2","1") = "6"
    & skf21("6","6","7","4","1","2","3","1") = "6"
    & skf21("6","6","7","4","1","2","4","1") = "6"
    & skf21("6","6","7","4","1","2","5","1") = "6"
    & skf21("6","6","7","4","1","2","6","1") = "6"
    & skf21("6","6","7","4","1","2","7","1") = "6"
    & skf21("6","6","7","4","1","3","1","1") = "6"
    & skf21("6","6","7","4","1","3","2","1") = "6"
    & skf21("6","6","7","4","1","3","3","1") = "6"
    & skf21("6","6","7","4","1","3","4","1") = "6"
    & skf21("6","6","7","4","1","3","5","1") = "6"
    & skf21("6","6","7","4","1","3","6","1") = "6"
    & skf21("6","6","7","4","1","3","7","1") = "6"
    & skf21("6","6","7","4","1","4","1","1") = "6"
    & skf21("6","6","7","4","1","4","2","1") = "6"
    & skf21("6","6","7","4","1","4","3","1") = "6"
    & skf21("6","6","7","4","1","4","4","1") = "6"
    & skf21("6","6","7","4","1","4","5","1") = "6"
    & skf21("6","6","7","4","1","4","6","1") = "6"
    & skf21("6","6","7","4","1","4","7","1") = "6"
    & skf21("6","6","7","4","1","5","1","1") = "6"
    & skf21("6","6","7","4","1","5","2","1") = "6"
    & skf21("6","6","7","4","1","5","3","1") = "6"
    & skf21("6","6","7","4","1","5","4","1") = "6"
    & skf21("6","6","7","4","1","5","5","1") = "6"
    & skf21("6","6","7","4","1","5","6","1") = "6"
    & skf21("6","6","7","4","1","5","7","1") = "6"
    & skf21("6","6","7","4","1","6","1","1") = "6"
    & skf21("6","6","7","4","1","6","2","1") = "6"
    & skf21("6","6","7","4","1","6","3","1") = "6"
    & skf21("6","6","7","4","1","6","4","1") = "6"
    & skf21("6","6","7","4","1","6","5","1") = "6"
    & skf21("6","6","7","4","1","6","6","1") = "6"
    & skf21("6","6","7","4","1","6","7","1") = "6"
    & skf21("6","6","7","4","1","7","1","1") = "6"
    & skf21("6","6","7","4","1","7","2","1") = "6"
    & skf21("6","6","7","4","1","7","3","1") = "6"
    & skf21("6","6","7","4","1","7","4","1") = "6"
    & skf21("6","6","7","4","1","7","5","1") = "6"
    & skf21("6","6","7","4","1","7","6","1") = "6"
    & skf21("6","6","7","4","1","7","7","1") = "6"
    & skf21("6","6","7","4","2","1","1","1") = "6"
    & skf21("6","6","7","4","2","1","2","1") = "6"
    & skf21("6","6","7","4","2","1","3","1") = "6"
    & skf21("6","6","7","4","2","1","4","1") = "6"
    & skf21("6","6","7","4","2","1","5","1") = "6"
    & skf21("6","6","7","4","2","1","6","1") = "6"
    & skf21("6","6","7","4","2","1","7","1") = "6"
    & skf21("6","6","7","4","2","2","1","1") = "6"
    & skf21("6","6","7","4","2","2","2","1") = "6"
    & skf21("6","6","7","4","2","2","3","1") = "6"
    & skf21("6","6","7","4","2","2","4","1") = "6"
    & skf21("6","6","7","4","2","2","5","1") = "6"
    & skf21("6","6","7","4","2","2","6","1") = "6"
    & skf21("6","6","7","4","2","2","7","1") = "6"
    & skf21("6","6","7","4","2","3","1","1") = "6"
    & skf21("6","6","7","4","2","3","2","1") = "6"
    & skf21("6","6","7","4","2","3","3","1") = "6"
    & skf21("6","6","7","4","2","3","4","1") = "6"
    & skf21("6","6","7","4","2","3","5","1") = "6"
    & skf21("6","6","7","4","2","3","6","1") = "6"
    & skf21("6","6","7","4","2","3","7","1") = "6"
    & skf21("6","6","7","4","2","4","1","1") = "6"
    & skf21("6","6","7","4","2","4","2","1") = "6"
    & skf21("6","6","7","4","2","4","3","1") = "6"
    & skf21("6","6","7","4","2","4","4","1") = "6"
    & skf21("6","6","7","4","2","4","5","1") = "6"
    & skf21("6","6","7","4","2","4","6","1") = "6"
    & skf21("6","6","7","4","2","4","7","1") = "6"
    & skf21("6","6","7","4","2","5","1","1") = "6"
    & skf21("6","6","7","4","2","5","2","1") = "6"
    & skf21("6","6","7","4","2","5","3","1") = "6"
    & skf21("6","6","7","4","2","5","4","1") = "6"
    & skf21("6","6","7","4","2","5","5","1") = "6"
    & skf21("6","6","7","4","2","5","6","1") = "6"
    & skf21("6","6","7","4","2","5","7","1") = "6"
    & skf21("6","6","7","4","2","6","1","1") = "6"
    & skf21("6","6","7","4","2","6","2","1") = "6"
    & skf21("6","6","7","4","2","6","3","1") = "6"
    & skf21("6","6","7","4","2","6","4","1") = "6"
    & skf21("6","6","7","4","2","6","5","1") = "6"
    & skf21("6","6","7","4","2","6","6","1") = "6"
    & skf21("6","6","7","4","2","6","7","1") = "6"
    & skf21("6","6","7","4","2","7","1","1") = "6"
    & skf21("6","6","7","4","2","7","2","1") = "6"
    & skf21("6","6","7","4","2","7","3","1") = "6"
    & skf21("6","6","7","4","2","7","4","1") = "6"
    & skf21("6","6","7","4","2","7","5","1") = "6"
    & skf21("6","6","7","4","2","7","6","1") = "6"
    & skf21("6","6","7","4","2","7","7","1") = "6"
    & skf21("6","6","7","4","3","1","1","1") = "6"
    & skf21("6","6","7","4","3","1","2","1") = "6"
    & skf21("6","6","7","4","3","1","3","1") = "6"
    & skf21("6","6","7","4","3","1","4","1") = "6"
    & skf21("6","6","7","4","3","1","5","1") = "6"
    & skf21("6","6","7","4","3","1","6","1") = "6"
    & skf21("6","6","7","4","3","1","7","1") = "6"
    & skf21("6","6","7","4","3","2","1","1") = "6"
    & skf21("6","6","7","4","3","2","2","1") = "6"
    & skf21("6","6","7","4","3","2","3","1") = "6"
    & skf21("6","6","7","4","3","2","4","1") = "6"
    & skf21("6","6","7","4","3","2","5","1") = "6"
    & skf21("6","6","7","4","3","2","6","1") = "6"
    & skf21("6","6","7","4","3","2","7","1") = "6"
    & skf21("6","6","7","4","3","3","1","1") = "6"
    & skf21("6","6","7","4","3","3","2","1") = "6"
    & skf21("6","6","7","4","3","3","3","1") = "6"
    & skf21("6","6","7","4","3","3","4","1") = "6"
    & skf21("6","6","7","4","3","3","5","1") = "6"
    & skf21("6","6","7","4","3","3","6","1") = "6"
    & skf21("6","6","7","4","3","3","7","1") = "6"
    & skf21("6","6","7","4","3","4","1","1") = "6"
    & skf21("6","6","7","4","3","4","2","1") = "6"
    & skf21("6","6","7","4","3","4","3","1") = "6"
    & skf21("6","6","7","4","3","4","4","1") = "6"
    & skf21("6","6","7","4","3","4","5","1") = "6"
    & skf21("6","6","7","4","3","4","6","1") = "6"
    & skf21("6","6","7","4","3","4","7","1") = "6"
    & skf21("6","6","7","4","3","5","1","1") = "6"
    & skf21("6","6","7","4","3","5","2","1") = "6"
    & skf21("6","6","7","4","3","5","3","1") = "6"
    & skf21("6","6","7","4","3","5","4","1") = "6"
    & skf21("6","6","7","4","3","5","5","1") = "6"
    & skf21("6","6","7","4","3","5","6","1") = "6"
    & skf21("6","6","7","4","3","5","7","1") = "6"
    & skf21("6","6","7","4","3","6","1","1") = "6"
    & skf21("6","6","7","4","3","6","2","1") = "6"
    & skf21("6","6","7","4","3","6","3","1") = "6"
    & skf21("6","6","7","4","3","6","4","1") = "6"
    & skf21("6","6","7","4","3","6","5","1") = "6"
    & skf21("6","6","7","4","3","6","6","1") = "6"
    & skf21("6","6","7","4","3","6","7","1") = "6"
    & skf21("6","6","7","4","3","7","1","1") = "6"
    & skf21("6","6","7","4","3","7","2","1") = "6"
    & skf21("6","6","7","4","3","7","3","1") = "6"
    & skf21("6","6","7","4","3","7","4","1") = "6"
    & skf21("6","6","7","4","3","7","5","1") = "6"
    & skf21("6","6","7","4","3","7","6","1") = "6"
    & skf21("6","6","7","4","3","7","7","1") = "6"
    & skf21("6","6","7","4","4","1","1","1") = "6"
    & skf21("6","6","7","4","4","1","2","1") = "6"
    & skf21("6","6","7","4","4","1","3","1") = "6"
    & skf21("6","6","7","4","4","1","4","1") = "6"
    & skf21("6","6","7","4","4","1","5","1") = "6"
    & skf21("6","6","7","4","4","1","6","1") = "6"
    & skf21("6","6","7","4","4","1","7","1") = "6"
    & skf21("6","6","7","4","4","2","1","1") = "6"
    & skf21("6","6","7","4","4","2","2","1") = "6"
    & skf21("6","6","7","4","4","2","3","1") = "6"
    & skf21("6","6","7","4","4","2","4","1") = "6"
    & skf21("6","6","7","4","4","2","5","1") = "6"
    & skf21("6","6","7","4","4","2","6","1") = "6"
    & skf21("6","6","7","4","4","2","7","1") = "6"
    & skf21("6","6","7","4","4","3","1","1") = "6"
    & skf21("6","6","7","4","4","3","2","1") = "6"
    & skf21("6","6","7","4","4","3","3","1") = "6"
    & skf21("6","6","7","4","4","3","4","1") = "6"
    & skf21("6","6","7","4","4","3","5","1") = "6"
    & skf21("6","6","7","4","4","3","6","1") = "6"
    & skf21("6","6","7","4","4","3","7","1") = "6"
    & skf21("6","6","7","4","4","4","1","1") = "6"
    & skf21("6","6","7","4","4","4","2","1") = "6"
    & skf21("6","6","7","4","4","4","3","1") = "6"
    & skf21("6","6","7","4","4","4","4","1") = "6"
    & skf21("6","6","7","4","4","4","5","1") = "6"
    & skf21("6","6","7","4","4","4","6","1") = "6"
    & skf21("6","6","7","4","4","4","7","1") = "6"
    & skf21("6","6","7","4","4","5","1","1") = "6"
    & skf21("6","6","7","4","4","5","2","1") = "6"
    & skf21("6","6","7","4","4","5","3","1") = "6"
    & skf21("6","6","7","4","4","5","4","1") = "6"
    & skf21("6","6","7","4","4","5","5","1") = "6"
    & skf21("6","6","7","4","4","5","6","1") = "6"
    & skf21("6","6","7","4","4","5","7","1") = "6"
    & skf21("6","6","7","4","4","6","1","1") = "6"
    & skf21("6","6","7","4","4","6","2","1") = "6"
    & skf21("6","6","7","4","4","6","3","1") = "6"
    & skf21("6","6","7","4","4","6","4","1") = "6"
    & skf21("6","6","7","4","4","6","5","1") = "6"
    & skf21("6","6","7","4","4","6","6","1") = "6"
    & skf21("6","6","7","4","4","6","7","1") = "6"
    & skf21("6","6","7","4","4","7","1","1") = "6"
    & skf21("6","6","7","4","4","7","2","1") = "6"
    & skf21("6","6","7","4","4","7","3","1") = "6"
    & skf21("6","6","7","4","4","7","4","1") = "6"
    & skf21("6","6","7","4","4","7","5","1") = "6"
    & skf21("6","6","7","4","4","7","6","1") = "6"
    & skf21("6","6","7","4","4","7","7","1") = "6"
    & skf21("6","6","7","4","5","1","1","1") = "6"
    & skf21("6","6","7","4","5","1","2","1") = "6"
    & skf21("6","6","7","4","5","1","3","1") = "6"
    & skf21("6","6","7","4","5","1","4","1") = "6"
    & skf21("6","6","7","4","5","1","5","1") = "6"
    & skf21("6","6","7","4","5","1","6","1") = "6"
    & skf21("6","6","7","4","5","1","7","1") = "6"
    & skf21("6","6","7","4","5","2","1","1") = "6"
    & skf21("6","6","7","4","5","2","2","1") = "6"
    & skf21("6","6","7","4","5","2","3","1") = "6"
    & skf21("6","6","7","4","5","2","4","1") = "6"
    & skf21("6","6","7","4","5","2","5","1") = "6"
    & skf21("6","6","7","4","5","2","6","1") = "6"
    & skf21("6","6","7","4","5","2","7","1") = "6"
    & skf21("6","6","7","4","5","3","1","1") = "6"
    & skf21("6","6","7","4","5","3","2","1") = "6"
    & skf21("6","6","7","4","5","3","3","1") = "6"
    & skf21("6","6","7","4","5","3","4","1") = "6"
    & skf21("6","6","7","4","5","3","5","1") = "6"
    & skf21("6","6","7","4","5","3","6","1") = "6"
    & skf21("6","6","7","4","5","3","7","1") = "6"
    & skf21("6","6","7","4","5","4","1","1") = "6"
    & skf21("6","6","7","4","5","4","2","1") = "6"
    & skf21("6","6","7","4","5","4","3","1") = "6"
    & skf21("6","6","7","4","5","4","4","1") = "6"
    & skf21("6","6","7","4","5","4","5","1") = "6"
    & skf21("6","6","7","4","5","4","6","1") = "6"
    & skf21("6","6","7","4","5","4","7","1") = "6"
    & skf21("6","6","7","4","5","5","1","1") = "6"
    & skf21("6","6","7","4","5","5","2","1") = "6"
    & skf21("6","6","7","4","5","5","3","1") = "6"
    & skf21("6","6","7","4","5","5","4","1") = "6"
    & skf21("6","6","7","4","5","5","5","1") = "6"
    & skf21("6","6","7","4","5","5","6","1") = "6"
    & skf21("6","6","7","4","5","5","7","1") = "6"
    & skf21("6","6","7","4","5","6","1","1") = "6"
    & skf21("6","6","7","4","5","6","2","1") = "6"
    & skf21("6","6","7","4","5","6","3","1") = "6"
    & skf21("6","6","7","4","5","6","4","1") = "6"
    & skf21("6","6","7","4","5","6","5","1") = "6"
    & skf21("6","6","7","4","5","6","6","1") = "6"
    & skf21("6","6","7","4","5","6","7","1") = "6"
    & skf21("6","6","7","4","5","7","1","1") = "6"
    & skf21("6","6","7","4","5","7","2","1") = "6"
    & skf21("6","6","7","4","5","7","3","1") = "6"
    & skf21("6","6","7","4","5","7","4","1") = "6"
    & skf21("6","6","7","4","5","7","5","1") = "6"
    & skf21("6","6","7","4","5","7","6","1") = "6"
    & skf21("6","6","7","4","5","7","7","1") = "6"
    & skf21("6","6","7","4","6","1","1","1") = "6"
    & skf21("6","6","7","4","6","1","2","1") = "6"
    & skf21("6","6","7","4","6","1","3","1") = "6"
    & skf21("6","6","7","4","6","1","4","1") = "6"
    & skf21("6","6","7","4","6","1","5","1") = "6"
    & skf21("6","6","7","4","6","1","6","1") = "6"
    & skf21("6","6","7","4","6","1","7","1") = "6"
    & skf21("6","6","7","4","6","2","1","1") = "6"
    & skf21("6","6","7","4","6","2","2","1") = "6"
    & skf21("6","6","7","4","6","2","3","1") = "6"
    & skf21("6","6","7","4","6","2","4","1") = "6"
    & skf21("6","6","7","4","6","2","5","1") = "6"
    & skf21("6","6","7","4","6","2","6","1") = "6"
    & skf21("6","6","7","4","6","2","7","1") = "6"
    & skf21("6","6","7","4","6","3","1","1") = "6"
    & skf21("6","6","7","4","6","3","2","1") = "6"
    & skf21("6","6","7","4","6","3","3","1") = "6"
    & skf21("6","6","7","4","6","3","4","1") = "6"
    & skf21("6","6","7","4","6","3","5","1") = "6"
    & skf21("6","6","7","4","6","3","6","1") = "6"
    & skf21("6","6","7","4","6","3","7","1") = "6"
    & skf21("6","6","7","4","6","4","1","1") = "6"
    & skf21("6","6","7","4","6","4","2","1") = "6"
    & skf21("6","6","7","4","6","4","3","1") = "6"
    & skf21("6","6","7","4","6","4","4","1") = "6"
    & skf21("6","6","7","4","6","4","5","1") = "6"
    & skf21("6","6","7","4","6","4","6","1") = "6"
    & skf21("6","6","7","4","6","4","7","1") = "6"
    & skf21("6","6","7","4","6","5","1","1") = "6"
    & skf21("6","6","7","4","6","5","2","1") = "6"
    & skf21("6","6","7","4","6","5","3","1") = "6"
    & skf21("6","6","7","4","6","5","4","1") = "6"
    & skf21("6","6","7","4","6","5","5","1") = "6"
    & skf21("6","6","7","4","6","5","6","1") = "6"
    & skf21("6","6","7","4","6","5","7","1") = "6"
    & skf21("6","6","7","4","6","6","1","1") = "6"
    & skf21("6","6","7","4","6","6","2","1") = "6"
    & skf21("6","6","7","4","6","6","3","1") = "6"
    & skf21("6","6","7","4","6","6","4","1") = "6"
    & skf21("6","6","7","4","6","6","5","1") = "6"
    & skf21("6","6","7","4","6","6","6","1") = "6"
    & skf21("6","6","7","4","6","6","7","1") = "6"
    & skf21("6","6","7","4","6","7","1","1") = "6"
    & skf21("6","6","7","4","6","7","2","1") = "6"
    & skf21("6","6","7","4","6","7","3","1") = "6"
    & skf21("6","6","7","4","6","7","4","1") = "6"
    & skf21("6","6","7","4","6","7","5","1") = "6"
    & skf21("6","6","7","4","6","7","6","1") = "6"
    & skf21("6","6","7","4","6","7","7","1") = "6"
    & skf21("6","6","7","4","7","1","1","1") = "6"
    & skf21("6","6","7","4","7","1","2","1") = "6"
    & skf21("6","6","7","4","7","1","3","1") = "6"
    & skf21("6","6","7","4","7","1","4","1") = "6"
    & skf21("6","6","7","4","7","1","5","1") = "6"
    & skf21("6","6","7","4","7","1","6","1") = "6"
    & skf21("6","6","7","4","7","1","7","1") = "6"
    & skf21("6","6","7","4","7","2","1","1") = "6"
    & skf21("6","6","7","4","7","2","2","1") = "6"
    & skf21("6","6","7","4","7","2","3","1") = "6"
    & skf21("6","6","7","4","7","2","4","1") = "6"
    & skf21("6","6","7","4","7","2","5","1") = "6"
    & skf21("6","6","7","4","7","2","6","1") = "6"
    & skf21("6","6","7","4","7","2","7","1") = "6"
    & skf21("6","6","7","4","7","3","1","1") = "6"
    & skf21("6","6","7","4","7","3","2","1") = "6"
    & skf21("6","6","7","4","7","3","3","1") = "6"
    & skf21("6","6","7","4","7","3","4","1") = "6"
    & skf21("6","6","7","4","7","3","5","1") = "6"
    & skf21("6","6","7","4","7","3","6","1") = "6"
    & skf21("6","6","7","4","7","3","7","1") = "6"
    & skf21("6","6","7","4","7","4","1","1") = "6"
    & skf21("6","6","7","4","7","4","2","1") = "6"
    & skf21("6","6","7","4","7","4","3","1") = "6"
    & skf21("6","6","7","4","7","4","4","1") = "6"
    & skf21("6","6","7","4","7","4","5","1") = "6"
    & skf21("6","6","7","4","7","4","6","1") = "6"
    & skf21("6","6","7","4","7","4","7","1") = "6"
    & skf21("6","6","7","4","7","5","1","1") = "6"
    & skf21("6","6","7","4","7","5","2","1") = "6"
    & skf21("6","6","7","4","7","5","3","1") = "6"
    & skf21("6","6","7","4","7","5","4","1") = "6"
    & skf21("6","6","7","4","7","5","5","1") = "6"
    & skf21("6","6","7","4","7","5","6","1") = "6"
    & skf21("6","6","7","4","7","5","7","1") = "6"
    & skf21("6","6","7","4","7","6","1","1") = "6"
    & skf21("6","6","7","4","7","6","2","1") = "6"
    & skf21("6","6","7","4","7","6","3","1") = "6"
    & skf21("6","6","7","4","7","6","4","1") = "6"
    & skf21("6","6","7","4","7","6","5","1") = "6"
    & skf21("6","6","7","4","7","6","6","1") = "6"
    & skf21("6","6","7","4","7","6","7","1") = "6"
    & skf21("6","6","7","4","7","7","1","1") = "6"
    & skf21("6","6","7","4","7","7","2","1") = "6"
    & skf21("6","6","7","4","7","7","3","1") = "6"
    & skf21("6","6","7","4","7","7","4","1") = "6"
    & skf21("6","6","7","4","7","7","5","1") = "6"
    & skf21("6","6","7","4","7","7","6","1") = "6"
    & skf21("6","6","7","4","7","7","7","1") = "6"
    & skf21("6","6","7","5","1","1","1","1") = "6"
    & skf21("6","6","7","5","1","1","2","1") = "6"
    & skf21("6","6","7","5","1","1","3","1") = "6"
    & skf21("6","6","7","5","1","1","4","1") = "6"
    & skf21("6","6","7","5","1","1","5","1") = "6"
    & skf21("6","6","7","5","1","1","6","1") = "6"
    & skf21("6","6","7","5","1","1","7","1") = "6"
    & skf21("6","6","7","5","1","2","1","1") = "6"
    & skf21("6","6","7","5","1","2","2","1") = "6"
    & skf21("6","6","7","5","1","2","3","1") = "6"
    & skf21("6","6","7","5","1","2","4","1") = "6"
    & skf21("6","6","7","5","1","2","5","1") = "6"
    & skf21("6","6","7","5","1","2","6","1") = "6"
    & skf21("6","6","7","5","1","2","7","1") = "6"
    & skf21("6","6","7","5","1","3","1","1") = "6"
    & skf21("6","6","7","5","1","3","2","1") = "6"
    & skf21("6","6","7","5","1","3","3","1") = "6"
    & skf21("6","6","7","5","1","3","4","1") = "6"
    & skf21("6","6","7","5","1","3","5","1") = "6"
    & skf21("6","6","7","5","1","3","6","1") = "6"
    & skf21("6","6","7","5","1","3","7","1") = "6"
    & skf21("6","6","7","5","1","4","1","1") = "6"
    & skf21("6","6","7","5","1","4","2","1") = "6"
    & skf21("6","6","7","5","1","4","3","1") = "6"
    & skf21("6","6","7","5","1","4","4","1") = "6"
    & skf21("6","6","7","5","1","4","5","1") = "6"
    & skf21("6","6","7","5","1","4","6","1") = "6"
    & skf21("6","6","7","5","1","4","7","1") = "6"
    & skf21("6","6","7","5","1","5","1","1") = "6"
    & skf21("6","6","7","5","1","5","2","1") = "6"
    & skf21("6","6","7","5","1","5","3","1") = "6"
    & skf21("6","6","7","5","1","5","4","1") = "6"
    & skf21("6","6","7","5","1","5","5","1") = "6"
    & skf21("6","6","7","5","1","5","6","1") = "6"
    & skf21("6","6","7","5","1","5","7","1") = "6"
    & skf21("6","6","7","5","1","6","1","1") = "6"
    & skf21("6","6","7","5","1","6","2","1") = "6"
    & skf21("6","6","7","5","1","6","3","1") = "6"
    & skf21("6","6","7","5","1","6","4","1") = "6"
    & skf21("6","6","7","5","1","6","5","1") = "6"
    & skf21("6","6","7","5","1","6","6","1") = "6"
    & skf21("6","6","7","5","1","6","7","1") = "6"
    & skf21("6","6","7","5","1","7","1","1") = "6"
    & skf21("6","6","7","5","1","7","2","1") = "6"
    & skf21("6","6","7","5","1","7","3","1") = "6"
    & skf21("6","6","7","5","1","7","4","1") = "6"
    & skf21("6","6","7","5","1","7","5","1") = "6"
    & skf21("6","6","7","5","1","7","6","1") = "6"
    & skf21("6","6","7","5","1","7","7","1") = "6"
    & skf21("6","6","7","5","2","1","1","1") = "6"
    & skf21("6","6","7","5","2","1","2","1") = "6"
    & skf21("6","6","7","5","2","1","3","1") = "6"
    & skf21("6","6","7","5","2","1","4","1") = "6"
    & skf21("6","6","7","5","2","1","5","1") = "6"
    & skf21("6","6","7","5","2","1","6","1") = "6"
    & skf21("6","6","7","5","2","1","7","1") = "6"
    & skf21("6","6","7","5","2","2","1","1") = "6"
    & skf21("6","6","7","5","2","2","2","1") = "6"
    & skf21("6","6","7","5","2","2","3","1") = "6"
    & skf21("6","6","7","5","2","2","4","1") = "6"
    & skf21("6","6","7","5","2","2","5","1") = "6"
    & skf21("6","6","7","5","2","2","6","1") = "6"
    & skf21("6","6","7","5","2","2","7","1") = "6"
    & skf21("6","6","7","5","2","3","1","1") = "6"
    & skf21("6","6","7","5","2","3","2","1") = "6"
    & skf21("6","6","7","5","2","3","3","1") = "6"
    & skf21("6","6","7","5","2","3","4","1") = "6"
    & skf21("6","6","7","5","2","3","5","1") = "6"
    & skf21("6","6","7","5","2","3","6","1") = "6"
    & skf21("6","6","7","5","2","3","7","1") = "6"
    & skf21("6","6","7","5","2","4","1","1") = "6"
    & skf21("6","6","7","5","2","4","2","1") = "6"
    & skf21("6","6","7","5","2","4","3","1") = "6"
    & skf21("6","6","7","5","2","4","4","1") = "6"
    & skf21("6","6","7","5","2","4","5","1") = "6"
    & skf21("6","6","7","5","2","4","6","1") = "6"
    & skf21("6","6","7","5","2","4","7","1") = "6"
    & skf21("6","6","7","5","2","5","1","1") = "6"
    & skf21("6","6","7","5","2","5","2","1") = "6"
    & skf21("6","6","7","5","2","5","3","1") = "6"
    & skf21("6","6","7","5","2","5","4","1") = "6"
    & skf21("6","6","7","5","2","5","5","1") = "6"
    & skf21("6","6","7","5","2","5","6","1") = "6"
    & skf21("6","6","7","5","2","5","7","1") = "6"
    & skf21("6","6","7","5","2","6","1","1") = "6"
    & skf21("6","6","7","5","2","6","2","1") = "6"
    & skf21("6","6","7","5","2","6","3","1") = "6"
    & skf21("6","6","7","5","2","6","4","1") = "6"
    & skf21("6","6","7","5","2","6","5","1") = "6"
    & skf21("6","6","7","5","2","6","6","1") = "6"
    & skf21("6","6","7","5","2","6","7","1") = "6"
    & skf21("6","6","7","5","2","7","1","1") = "6"
    & skf21("6","6","7","5","2","7","2","1") = "6"
    & skf21("6","6","7","5","2","7","3","1") = "6"
    & skf21("6","6","7","5","2","7","4","1") = "6"
    & skf21("6","6","7","5","2","7","5","1") = "6"
    & skf21("6","6","7","5","2","7","6","1") = "6"
    & skf21("6","6","7","5","2","7","7","1") = "6"
    & skf21("6","6","7","5","3","1","1","1") = "6"
    & skf21("6","6","7","5","3","1","2","1") = "6"
    & skf21("6","6","7","5","3","1","3","1") = "6"
    & skf21("6","6","7","5","3","1","4","1") = "6"
    & skf21("6","6","7","5","3","1","5","1") = "6"
    & skf21("6","6","7","5","3","1","6","1") = "6"
    & skf21("6","6","7","5","3","1","7","1") = "6"
    & skf21("6","6","7","5","3","2","1","1") = "6"
    & skf21("6","6","7","5","3","2","2","1") = "6"
    & skf21("6","6","7","5","3","2","3","1") = "6"
    & skf21("6","6","7","5","3","2","4","1") = "6"
    & skf21("6","6","7","5","3","2","5","1") = "6"
    & skf21("6","6","7","5","3","2","6","1") = "6"
    & skf21("6","6","7","5","3","2","7","1") = "6"
    & skf21("6","6","7","5","3","3","1","1") = "6"
    & skf21("6","6","7","5","3","3","2","1") = "6"
    & skf21("6","6","7","5","3","3","3","1") = "6"
    & skf21("6","6","7","5","3","3","4","1") = "6"
    & skf21("6","6","7","5","3","3","5","1") = "6"
    & skf21("6","6","7","5","3","3","6","1") = "6"
    & skf21("6","6","7","5","3","3","7","1") = "6"
    & skf21("6","6","7","5","3","4","1","1") = "6"
    & skf21("6","6","7","5","3","4","2","1") = "6"
    & skf21("6","6","7","5","3","4","3","1") = "6"
    & skf21("6","6","7","5","3","4","4","1") = "6"
    & skf21("6","6","7","5","3","4","5","1") = "6"
    & skf21("6","6","7","5","3","4","6","1") = "6"
    & skf21("6","6","7","5","3","4","7","1") = "6"
    & skf21("6","6","7","5","3","5","1","1") = "6"
    & skf21("6","6","7","5","3","5","2","1") = "6"
    & skf21("6","6","7","5","3","5","3","1") = "6"
    & skf21("6","6","7","5","3","5","4","1") = "6"
    & skf21("6","6","7","5","3","5","5","1") = "6"
    & skf21("6","6","7","5","3","5","6","1") = "6"
    & skf21("6","6","7","5","3","5","7","1") = "6"
    & skf21("6","6","7","5","3","6","1","1") = "6"
    & skf21("6","6","7","5","3","6","2","1") = "6"
    & skf21("6","6","7","5","3","6","3","1") = "6"
    & skf21("6","6","7","5","3","6","4","1") = "6"
    & skf21("6","6","7","5","3","6","5","1") = "6"
    & skf21("6","6","7","5","3","6","6","1") = "6"
    & skf21("6","6","7","5","3","6","7","1") = "6"
    & skf21("6","6","7","5","3","7","1","1") = "6"
    & skf21("6","6","7","5","3","7","2","1") = "6"
    & skf21("6","6","7","5","3","7","3","1") = "6"
    & skf21("6","6","7","5","3","7","4","1") = "6"
    & skf21("6","6","7","5","3","7","5","1") = "6"
    & skf21("6","6","7","5","3","7","6","1") = "6"
    & skf21("6","6","7","5","3","7","7","1") = "6"
    & skf21("6","6","7","5","4","1","1","1") = "6"
    & skf21("6","6","7","5","4","1","2","1") = "6"
    & skf21("6","6","7","5","4","1","3","1") = "6"
    & skf21("6","6","7","5","4","1","4","1") = "6"
    & skf21("6","6","7","5","4","1","5","1") = "6"
    & skf21("6","6","7","5","4","1","6","1") = "6"
    & skf21("6","6","7","5","4","1","7","1") = "6"
    & skf21("6","6","7","5","4","2","1","1") = "6"
    & skf21("6","6","7","5","4","2","2","1") = "6"
    & skf21("6","6","7","5","4","2","3","1") = "6"
    & skf21("6","6","7","5","4","2","4","1") = "6"
    & skf21("6","6","7","5","4","2","5","1") = "6"
    & skf21("6","6","7","5","4","2","6","1") = "6"
    & skf21("6","6","7","5","4","2","7","1") = "6"
    & skf21("6","6","7","5","4","3","1","1") = "6"
    & skf21("6","6","7","5","4","3","2","1") = "6"
    & skf21("6","6","7","5","4","3","3","1") = "6"
    & skf21("6","6","7","5","4","3","4","1") = "6"
    & skf21("6","6","7","5","4","3","5","1") = "6"
    & skf21("6","6","7","5","4","3","6","1") = "6"
    & skf21("6","6","7","5","4","3","7","1") = "6"
    & skf21("6","6","7","5","4","4","1","1") = "6"
    & skf21("6","6","7","5","4","4","2","1") = "6"
    & skf21("6","6","7","5","4","4","3","1") = "6"
    & skf21("6","6","7","5","4","4","4","1") = "6"
    & skf21("6","6","7","5","4","4","5","1") = "6"
    & skf21("6","6","7","5","4","4","6","1") = "6"
    & skf21("6","6","7","5","4","4","7","1") = "6"
    & skf21("6","6","7","5","4","5","1","1") = "6"
    & skf21("6","6","7","5","4","5","2","1") = "6"
    & skf21("6","6","7","5","4","5","3","1") = "6"
    & skf21("6","6","7","5","4","5","4","1") = "6"
    & skf21("6","6","7","5","4","5","5","1") = "6"
    & skf21("6","6","7","5","4","5","6","1") = "6"
    & skf21("6","6","7","5","4","5","7","1") = "6"
    & skf21("6","6","7","5","4","6","1","1") = "6"
    & skf21("6","6","7","5","4","6","2","1") = "6"
    & skf21("6","6","7","5","4","6","3","1") = "6"
    & skf21("6","6","7","5","4","6","4","1") = "6"
    & skf21("6","6","7","5","4","6","5","1") = "6"
    & skf21("6","6","7","5","4","6","6","1") = "6"
    & skf21("6","6","7","5","4","6","7","1") = "6"
    & skf21("6","6","7","5","4","7","1","1") = "6"
    & skf21("6","6","7","5","4","7","2","1") = "6"
    & skf21("6","6","7","5","4","7","3","1") = "6"
    & skf21("6","6","7","5","4","7","4","1") = "6"
    & skf21("6","6","7","5","4","7","5","1") = "6"
    & skf21("6","6","7","5","4","7","6","1") = "6"
    & skf21("6","6","7","5","4","7","7","1") = "6"
    & skf21("6","6","7","5","5","1","1","1") = "6"
    & skf21("6","6","7","5","5","1","2","1") = "6"
    & skf21("6","6","7","5","5","1","3","1") = "6"
    & skf21("6","6","7","5","5","1","4","1") = "6"
    & skf21("6","6","7","5","5","1","5","1") = "6"
    & skf21("6","6","7","5","5","1","6","1") = "6"
    & skf21("6","6","7","5","5","1","7","1") = "6"
    & skf21("6","6","7","5","5","2","1","1") = "6"
    & skf21("6","6","7","5","5","2","2","1") = "6"
    & skf21("6","6","7","5","5","2","3","1") = "6"
    & skf21("6","6","7","5","5","2","4","1") = "6"
    & skf21("6","6","7","5","5","2","5","1") = "6"
    & skf21("6","6","7","5","5","2","6","1") = "6"
    & skf21("6","6","7","5","5","2","7","1") = "6"
    & skf21("6","6","7","5","5","3","1","1") = "6"
    & skf21("6","6","7","5","5","3","2","1") = "6"
    & skf21("6","6","7","5","5","3","3","1") = "6"
    & skf21("6","6","7","5","5","3","4","1") = "6"
    & skf21("6","6","7","5","5","3","5","1") = "6"
    & skf21("6","6","7","5","5","3","6","1") = "6"
    & skf21("6","6","7","5","5","3","7","1") = "6"
    & skf21("6","6","7","5","5","4","1","1") = "6"
    & skf21("6","6","7","5","5","4","2","1") = "6"
    & skf21("6","6","7","5","5","4","3","1") = "6"
    & skf21("6","6","7","5","5","4","4","1") = "6"
    & skf21("6","6","7","5","5","4","5","1") = "6"
    & skf21("6","6","7","5","5","4","6","1") = "6"
    & skf21("6","6","7","5","5","4","7","1") = "6"
    & skf21("6","6","7","5","5","5","1","1") = "6"
    & skf21("6","6","7","5","5","5","2","1") = "6"
    & skf21("6","6","7","5","5","5","3","1") = "6"
    & skf21("6","6","7","5","5","5","4","1") = "6"
    & skf21("6","6","7","5","5","5","5","1") = "6"
    & skf21("6","6","7","5","5","5","6","1") = "6"
    & skf21("6","6","7","5","5","5","7","1") = "6"
    & skf21("6","6","7","5","5","6","1","1") = "6"
    & skf21("6","6","7","5","5","6","2","1") = "6"
    & skf21("6","6","7","5","5","6","3","1") = "6"
    & skf21("6","6","7","5","5","6","4","1") = "6"
    & skf21("6","6","7","5","5","6","5","1") = "6"
    & skf21("6","6","7","5","5","6","6","1") = "6"
    & skf21("6","6","7","5","5","6","7","1") = "6"
    & skf21("6","6","7","5","5","7","1","1") = "6"
    & skf21("6","6","7","5","5","7","2","1") = "6"
    & skf21("6","6","7","5","5","7","3","1") = "6"
    & skf21("6","6","7","5","5","7","4","1") = "6"
    & skf21("6","6","7","5","5","7","5","1") = "6"
    & skf21("6","6","7","5","5","7","6","1") = "6"
    & skf21("6","6","7","5","5","7","7","1") = "6"
    & skf21("6","6","7","5","6","1","1","1") = "6"
    & skf21("6","6","7","5","6","1","2","1") = "6"
    & skf21("6","6","7","5","6","1","3","1") = "6"
    & skf21("6","6","7","5","6","1","4","1") = "6"
    & skf21("6","6","7","5","6","1","5","1") = "6"
    & skf21("6","6","7","5","6","1","6","1") = "6"
    & skf21("6","6","7","5","6","1","7","1") = "6"
    & skf21("6","6","7","5","6","2","1","1") = "6"
    & skf21("6","6","7","5","6","2","2","1") = "6"
    & skf21("6","6","7","5","6","2","3","1") = "6"
    & skf21("6","6","7","5","6","2","4","1") = "6"
    & skf21("6","6","7","5","6","2","5","1") = "6"
    & skf21("6","6","7","5","6","2","6","1") = "6"
    & skf21("6","6","7","5","6","2","7","1") = "6"
    & skf21("6","6","7","5","6","3","1","1") = "6"
    & skf21("6","6","7","5","6","3","2","1") = "6"
    & skf21("6","6","7","5","6","3","3","1") = "6"
    & skf21("6","6","7","5","6","3","4","1") = "6"
    & skf21("6","6","7","5","6","3","5","1") = "6"
    & skf21("6","6","7","5","6","3","6","1") = "6"
    & skf21("6","6","7","5","6","3","7","1") = "6"
    & skf21("6","6","7","5","6","4","1","1") = "6"
    & skf21("6","6","7","5","6","4","2","1") = "6"
    & skf21("6","6","7","5","6","4","3","1") = "6"
    & skf21("6","6","7","5","6","4","4","1") = "6"
    & skf21("6","6","7","5","6","4","5","1") = "6"
    & skf21("6","6","7","5","6","4","6","1") = "6"
    & skf21("6","6","7","5","6","4","7","1") = "6"
    & skf21("6","6","7","5","6","5","1","1") = "6"
    & skf21("6","6","7","5","6","5","2","1") = "6"
    & skf21("6","6","7","5","6","5","3","1") = "6"
    & skf21("6","6","7","5","6","5","4","1") = "6"
    & skf21("6","6","7","5","6","5","5","1") = "6"
    & skf21("6","6","7","5","6","5","6","1") = "6"
    & skf21("6","6","7","5","6","5","7","1") = "6"
    & skf21("6","6","7","5","6","6","1","1") = "6"
    & skf21("6","6","7","5","6","6","2","1") = "6"
    & skf21("6","6","7","5","6","6","3","1") = "6"
    & skf21("6","6","7","5","6","6","4","1") = "6"
    & skf21("6","6","7","5","6","6","5","1") = "6"
    & skf21("6","6","7","5","6","6","6","1") = "6"
    & skf21("6","6","7","5","6","6","7","1") = "6"
    & skf21("6","6","7","5","6","7","1","1") = "6"
    & skf21("6","6","7","5","6","7","2","1") = "6"
    & skf21("6","6","7","5","6","7","3","1") = "6"
    & skf21("6","6","7","5","6","7","4","1") = "6"
    & skf21("6","6","7","5","6","7","5","1") = "6"
    & skf21("6","6","7","5","6","7","6","1") = "6"
    & skf21("6","6","7","5","6","7","7","1") = "6"
    & skf21("6","6","7","5","7","1","1","1") = "6"
    & skf21("6","6","7","5","7","1","2","1") = "6"
    & skf21("6","6","7","5","7","1","3","1") = "6"
    & skf21("6","6","7","5","7","1","4","1") = "6"
    & skf21("6","6","7","5","7","1","5","1") = "6"
    & skf21("6","6","7","5","7","1","6","1") = "6"
    & skf21("6","6","7","5","7","1","7","1") = "6"
    & skf21("6","6","7","5","7","2","1","1") = "6"
    & skf21("6","6","7","5","7","2","2","1") = "6"
    & skf21("6","6","7","5","7","2","3","1") = "6"
    & skf21("6","6","7","5","7","2","4","1") = "6"
    & skf21("6","6","7","5","7","2","5","1") = "6"
    & skf21("6","6","7","5","7","2","6","1") = "6"
    & skf21("6","6","7","5","7","2","7","1") = "6"
    & skf21("6","6","7","5","7","3","1","1") = "6"
    & skf21("6","6","7","5","7","3","2","1") = "6"
    & skf21("6","6","7","5","7","3","3","1") = "6"
    & skf21("6","6","7","5","7","3","4","1") = "6"
    & skf21("6","6","7","5","7","3","5","1") = "6"
    & skf21("6","6","7","5","7","3","6","1") = "6"
    & skf21("6","6","7","5","7","3","7","1") = "6"
    & skf21("6","6","7","5","7","4","1","1") = "6"
    & skf21("6","6","7","5","7","4","2","1") = "6"
    & skf21("6","6","7","5","7","4","3","1") = "6"
    & skf21("6","6","7","5","7","4","4","1") = "6"
    & skf21("6","6","7","5","7","4","5","1") = "6"
    & skf21("6","6","7","5","7","4","6","1") = "6"
    & skf21("6","6","7","5","7","4","7","1") = "6"
    & skf21("6","6","7","5","7","5","1","1") = "6"
    & skf21("6","6","7","5","7","5","2","1") = "6"
    & skf21("6","6","7","5","7","5","3","1") = "6"
    & skf21("6","6","7","5","7","5","4","1") = "6"
    & skf21("6","6","7","5","7","5","5","1") = "6"
    & skf21("6","6","7","5","7","5","6","1") = "6"
    & skf21("6","6","7","5","7","5","7","1") = "6"
    & skf21("6","6","7","5","7","6","1","1") = "6"
    & skf21("6","6","7","5","7","6","2","1") = "6"
    & skf21("6","6","7","5","7","6","3","1") = "6"
    & skf21("6","6","7","5","7","6","4","1") = "6"
    & skf21("6","6","7","5","7","6","5","1") = "6"
    & skf21("6","6","7","5","7","6","6","1") = "6"
    & skf21("6","6","7","5","7","6","7","1") = "6"
    & skf21("6","6","7","5","7","7","1","1") = "6"
    & skf21("6","6","7","5","7","7","2","1") = "6"
    & skf21("6","6","7","5","7","7","3","1") = "6"
    & skf21("6","6","7","5","7","7","4","1") = "6"
    & skf21("6","6","7","5","7","7","5","1") = "6"
    & skf21("6","6","7","5","7","7","6","1") = "6"
    & skf21("6","6","7","5","7","7","7","1") = "6"
    & skf21("6","6","7","6","1","1","1","1") = "6"
    & skf21("6","6","7","6","1","1","2","1") = "6"
    & skf21("6","6","7","6","1","1","3","1") = "6"
    & skf21("6","6","7","6","1","1","4","1") = "6"
    & skf21("6","6","7","6","1","1","5","1") = "6"
    & skf21("6","6","7","6","1","1","6","1") = "6"
    & skf21("6","6","7","6","1","1","7","1") = "6"
    & skf21("6","6","7","6","1","2","1","1") = "6"
    & skf21("6","6","7","6","1","2","2","1") = "6"
    & skf21("6","6","7","6","1","2","3","1") = "6"
    & skf21("6","6","7","6","1","2","4","1") = "6"
    & skf21("6","6","7","6","1","2","5","1") = "6"
    & skf21("6","6","7","6","1","2","6","1") = "6"
    & skf21("6","6","7","6","1","2","7","1") = "6"
    & skf21("6","6","7","6","1","3","1","1") = "6"
    & skf21("6","6","7","6","1","3","2","1") = "6"
    & skf21("6","6","7","6","1","3","3","1") = "6"
    & skf21("6","6","7","6","1","3","4","1") = "6"
    & skf21("6","6","7","6","1","3","5","1") = "6"
    & skf21("6","6","7","6","1","3","6","1") = "6"
    & skf21("6","6","7","6","1","3","7","1") = "6"
    & skf21("6","6","7","6","1","4","1","1") = "6"
    & skf21("6","6","7","6","1","4","2","1") = "6"
    & skf21("6","6","7","6","1","4","3","1") = "6"
    & skf21("6","6","7","6","1","4","4","1") = "6"
    & skf21("6","6","7","6","1","4","5","1") = "6"
    & skf21("6","6","7","6","1","4","6","1") = "6"
    & skf21("6","6","7","6","1","4","7","1") = "6"
    & skf21("6","6","7","6","1","5","1","1") = "6"
    & skf21("6","6","7","6","1","5","2","1") = "6"
    & skf21("6","6","7","6","1","5","3","1") = "6"
    & skf21("6","6","7","6","1","5","4","1") = "6"
    & skf21("6","6","7","6","1","5","5","1") = "6"
    & skf21("6","6","7","6","1","5","6","1") = "6"
    & skf21("6","6","7","6","1","5","7","1") = "6"
    & skf21("6","6","7","6","1","6","1","1") = "6"
    & skf21("6","6","7","6","1","6","2","1") = "6"
    & skf21("6","6","7","6","1","6","3","1") = "6"
    & skf21("6","6","7","6","1","6","4","1") = "6"
    & skf21("6","6","7","6","1","6","5","1") = "6"
    & skf21("6","6","7","6","1","6","6","1") = "6"
    & skf21("6","6","7","6","1","6","7","1") = "6"
    & skf21("6","6","7","6","1","7","1","1") = "6"
    & skf21("6","6","7","6","1","7","2","1") = "6"
    & skf21("6","6","7","6","1","7","3","1") = "6"
    & skf21("6","6","7","6","1","7","4","1") = "6"
    & skf21("6","6","7","6","1","7","5","1") = "6"
    & skf21("6","6","7","6","1","7","6","1") = "6"
    & skf21("6","6","7","6","1","7","7","1") = "6"
    & skf21("6","6","7","6","2","1","1","1") = "6"
    & skf21("6","6","7","6","2","1","2","1") = "6"
    & skf21("6","6","7","6","2","1","3","1") = "6"
    & skf21("6","6","7","6","2","1","4","1") = "6"
    & skf21("6","6","7","6","2","1","5","1") = "6"
    & skf21("6","6","7","6","2","1","6","1") = "6"
    & skf21("6","6","7","6","2","1","7","1") = "6"
    & skf21("6","6","7","6","2","2","1","1") = "6"
    & skf21("6","6","7","6","2","2","2","1") = "6"
    & skf21("6","6","7","6","2","2","3","1") = "6"
    & skf21("6","6","7","6","2","2","4","1") = "6"
    & skf21("6","6","7","6","2","2","5","1") = "6"
    & skf21("6","6","7","6","2","2","6","1") = "6"
    & skf21("6","6","7","6","2","2","7","1") = "6"
    & skf21("6","6","7","6","2","3","1","1") = "6"
    & skf21("6","6","7","6","2","3","2","1") = "6"
    & skf21("6","6","7","6","2","3","3","1") = "6"
    & skf21("6","6","7","6","2","3","4","1") = "6"
    & skf21("6","6","7","6","2","3","5","1") = "6"
    & skf21("6","6","7","6","2","3","6","1") = "6"
    & skf21("6","6","7","6","2","3","7","1") = "6"
    & skf21("6","6","7","6","2","4","1","1") = "6"
    & skf21("6","6","7","6","2","4","2","1") = "6"
    & skf21("6","6","7","6","2","4","3","1") = "6"
    & skf21("6","6","7","6","2","4","4","1") = "6"
    & skf21("6","6","7","6","2","4","5","1") = "6"
    & skf21("6","6","7","6","2","4","6","1") = "6"
    & skf21("6","6","7","6","2","4","7","1") = "6"
    & skf21("6","6","7","6","2","5","1","1") = "6"
    & skf21("6","6","7","6","2","5","2","1") = "6"
    & skf21("6","6","7","6","2","5","3","1") = "6"
    & skf21("6","6","7","6","2","5","4","1") = "6"
    & skf21("6","6","7","6","2","5","5","1") = "6"
    & skf21("6","6","7","6","2","5","6","1") = "6"
    & skf21("6","6","7","6","2","5","7","1") = "6"
    & skf21("6","6","7","6","2","6","1","1") = "6"
    & skf21("6","6","7","6","2","6","2","1") = "6"
    & skf21("6","6","7","6","2","6","3","1") = "6"
    & skf21("6","6","7","6","2","6","4","1") = "6"
    & skf21("6","6","7","6","2","6","5","1") = "6"
    & skf21("6","6","7","6","2","6","6","1") = "6"
    & skf21("6","6","7","6","2","6","7","1") = "6"
    & skf21("6","6","7","6","2","7","1","1") = "6"
    & skf21("6","6","7","6","2","7","2","1") = "6"
    & skf21("6","6","7","6","2","7","3","1") = "6"
    & skf21("6","6","7","6","2","7","4","1") = "6"
    & skf21("6","6","7","6","2","7","5","1") = "6"
    & skf21("6","6","7","6","2","7","6","1") = "6"
    & skf21("6","6","7","6","2","7","7","1") = "6"
    & skf21("6","6","7","6","3","1","1","1") = "6"
    & skf21("6","6","7","6","3","1","2","1") = "6"
    & skf21("6","6","7","6","3","1","3","1") = "6"
    & skf21("6","6","7","6","3","1","4","1") = "6"
    & skf21("6","6","7","6","3","1","5","1") = "6"
    & skf21("6","6","7","6","3","1","6","1") = "6"
    & skf21("6","6","7","6","3","1","7","1") = "6"
    & skf21("6","6","7","6","3","2","1","1") = "6"
    & skf21("6","6","7","6","3","2","2","1") = "6"
    & skf21("6","6","7","6","3","2","3","1") = "6"
    & skf21("6","6","7","6","3","2","4","1") = "6"
    & skf21("6","6","7","6","3","2","5","1") = "6"
    & skf21("6","6","7","6","3","2","6","1") = "6"
    & skf21("6","6","7","6","3","2","7","1") = "6"
    & skf21("6","6","7","6","3","3","1","1") = "6"
    & skf21("6","6","7","6","3","3","2","1") = "6"
    & skf21("6","6","7","6","3","3","3","1") = "6"
    & skf21("6","6","7","6","3","3","4","1") = "6"
    & skf21("6","6","7","6","3","3","5","1") = "6"
    & skf21("6","6","7","6","3","3","6","1") = "6"
    & skf21("6","6","7","6","3","3","7","1") = "6"
    & skf21("6","6","7","6","3","4","1","1") = "6"
    & skf21("6","6","7","6","3","4","2","1") = "6"
    & skf21("6","6","7","6","3","4","3","1") = "6"
    & skf21("6","6","7","6","3","4","4","1") = "6"
    & skf21("6","6","7","6","3","4","5","1") = "6"
    & skf21("6","6","7","6","3","4","6","1") = "6"
    & skf21("6","6","7","6","3","4","7","1") = "6"
    & skf21("6","6","7","6","3","5","1","1") = "6"
    & skf21("6","6","7","6","3","5","2","1") = "6"
    & skf21("6","6","7","6","3","5","3","1") = "6"
    & skf21("6","6","7","6","3","5","4","1") = "6"
    & skf21("6","6","7","6","3","5","5","1") = "6"
    & skf21("6","6","7","6","3","5","6","1") = "6"
    & skf21("6","6","7","6","3","5","7","1") = "6"
    & skf21("6","6","7","6","3","6","1","1") = "6"
    & skf21("6","6","7","6","3","6","2","1") = "6"
    & skf21("6","6","7","6","3","6","3","1") = "6"
    & skf21("6","6","7","6","3","6","4","1") = "6"
    & skf21("6","6","7","6","3","6","5","1") = "6"
    & skf21("6","6","7","6","3","6","6","1") = "6"
    & skf21("6","6","7","6","3","6","7","1") = "6"
    & skf21("6","6","7","6","3","7","1","1") = "6"
    & skf21("6","6","7","6","3","7","2","1") = "6"
    & skf21("6","6","7","6","3","7","3","1") = "6"
    & skf21("6","6","7","6","3","7","4","1") = "6"
    & skf21("6","6","7","6","3","7","5","1") = "6"
    & skf21("6","6","7","6","3","7","6","1") = "6"
    & skf21("6","6","7","6","3","7","7","1") = "6"
    & skf21("6","6","7","6","4","1","1","1") = "6"
    & skf21("6","6","7","6","4","1","2","1") = "6"
    & skf21("6","6","7","6","4","1","3","1") = "6"
    & skf21("6","6","7","6","4","1","4","1") = "6"
    & skf21("6","6","7","6","4","1","5","1") = "6"
    & skf21("6","6","7","6","4","1","6","1") = "6"
    & skf21("6","6","7","6","4","1","7","1") = "6"
    & skf21("6","6","7","6","4","2","1","1") = "6"
    & skf21("6","6","7","6","4","2","2","1") = "6"
    & skf21("6","6","7","6","4","2","3","1") = "6"
    & skf21("6","6","7","6","4","2","4","1") = "6"
    & skf21("6","6","7","6","4","2","5","1") = "6"
    & skf21("6","6","7","6","4","2","6","1") = "6"
    & skf21("6","6","7","6","4","2","7","1") = "6"
    & skf21("6","6","7","6","4","3","1","1") = "6"
    & skf21("6","6","7","6","4","3","2","1") = "6"
    & skf21("6","6","7","6","4","3","3","1") = "6"
    & skf21("6","6","7","6","4","3","4","1") = "6"
    & skf21("6","6","7","6","4","3","5","1") = "6"
    & skf21("6","6","7","6","4","3","6","1") = "6"
    & skf21("6","6","7","6","4","3","7","1") = "6"
    & skf21("6","6","7","6","4","4","1","1") = "6"
    & skf21("6","6","7","6","4","4","2","1") = "6"
    & skf21("6","6","7","6","4","4","3","1") = "6"
    & skf21("6","6","7","6","4","4","4","1") = "6"
    & skf21("6","6","7","6","4","4","5","1") = "6"
    & skf21("6","6","7","6","4","4","6","1") = "6"
    & skf21("6","6","7","6","4","4","7","1") = "6"
    & skf21("6","6","7","6","4","5","1","1") = "6"
    & skf21("6","6","7","6","4","5","2","1") = "6"
    & skf21("6","6","7","6","4","5","3","1") = "6"
    & skf21("6","6","7","6","4","5","4","1") = "6"
    & skf21("6","6","7","6","4","5","5","1") = "6"
    & skf21("6","6","7","6","4","5","6","1") = "6"
    & skf21("6","6","7","6","4","5","7","1") = "6"
    & skf21("6","6","7","6","4","6","1","1") = "6"
    & skf21("6","6","7","6","4","6","2","1") = "6"
    & skf21("6","6","7","6","4","6","3","1") = "6"
    & skf21("6","6","7","6","4","6","4","1") = "6"
    & skf21("6","6","7","6","4","6","5","1") = "6"
    & skf21("6","6","7","6","4","6","6","1") = "6"
    & skf21("6","6","7","6","4","6","7","1") = "6"
    & skf21("6","6","7","6","4","7","1","1") = "6"
    & skf21("6","6","7","6","4","7","2","1") = "6"
    & skf21("6","6","7","6","4","7","3","1") = "6"
    & skf21("6","6","7","6","4","7","4","1") = "6"
    & skf21("6","6","7","6","4","7","5","1") = "6"
    & skf21("6","6","7","6","4","7","6","1") = "6"
    & skf21("6","6","7","6","4","7","7","1") = "6"
    & skf21("6","6","7","6","5","1","1","1") = "6"
    & skf21("6","6","7","6","5","1","2","1") = "6"
    & skf21("6","6","7","6","5","1","3","1") = "6"
    & skf21("6","6","7","6","5","1","4","1") = "6"
    & skf21("6","6","7","6","5","1","5","1") = "6"
    & skf21("6","6","7","6","5","1","6","1") = "6"
    & skf21("6","6","7","6","5","1","7","1") = "6"
    & skf21("6","6","7","6","5","2","1","1") = "6"
    & skf21("6","6","7","6","5","2","2","1") = "6"
    & skf21("6","6","7","6","5","2","3","1") = "6"
    & skf21("6","6","7","6","5","2","4","1") = "6"
    & skf21("6","6","7","6","5","2","5","1") = "6"
    & skf21("6","6","7","6","5","2","6","1") = "6"
    & skf21("6","6","7","6","5","2","7","1") = "6"
    & skf21("6","6","7","6","5","3","1","1") = "6"
    & skf21("6","6","7","6","5","3","2","1") = "6"
    & skf21("6","6","7","6","5","3","3","1") = "6"
    & skf21("6","6","7","6","5","3","4","1") = "6"
    & skf21("6","6","7","6","5","3","5","1") = "6"
    & skf21("6","6","7","6","5","3","6","1") = "6"
    & skf21("6","6","7","6","5","3","7","1") = "6"
    & skf21("6","6","7","6","5","4","1","1") = "6"
    & skf21("6","6","7","6","5","4","2","1") = "6"
    & skf21("6","6","7","6","5","4","3","1") = "6"
    & skf21("6","6","7","6","5","4","4","1") = "6"
    & skf21("6","6","7","6","5","4","5","1") = "6"
    & skf21("6","6","7","6","5","4","6","1") = "6"
    & skf21("6","6","7","6","5","4","7","1") = "6"
    & skf21("6","6","7","6","5","5","1","1") = "6"
    & skf21("6","6","7","6","5","5","2","1") = "6"
    & skf21("6","6","7","6","5","5","3","1") = "6"
    & skf21("6","6","7","6","5","5","4","1") = "6"
    & skf21("6","6","7","6","5","5","5","1") = "6"
    & skf21("6","6","7","6","5","5","6","1") = "6"
    & skf21("6","6","7","6","5","5","7","1") = "6"
    & skf21("6","6","7","6","5","6","1","1") = "6"
    & skf21("6","6","7","6","5","6","2","1") = "6"
    & skf21("6","6","7","6","5","6","3","1") = "6"
    & skf21("6","6","7","6","5","6","4","1") = "6"
    & skf21("6","6","7","6","5","6","5","1") = "6"
    & skf21("6","6","7","6","5","6","6","1") = "6"
    & skf21("6","6","7","6","5","6","7","1") = "6"
    & skf21("6","6","7","6","5","7","1","1") = "6"
    & skf21("6","6","7","6","5","7","2","1") = "6"
    & skf21("6","6","7","6","5","7","3","1") = "6"
    & skf21("6","6","7","6","5","7","4","1") = "6"
    & skf21("6","6","7","6","5","7","5","1") = "6"
    & skf21("6","6","7","6","5","7","6","1") = "6"
    & skf21("6","6","7","6","5","7","7","1") = "6"
    & skf21("6","6","7","6","6","1","1","1") = "6"
    & skf21("6","6","7","6","6","1","2","1") = "6"
    & skf21("6","6","7","6","6","1","3","1") = "6"
    & skf21("6","6","7","6","6","1","4","1") = "6"
    & skf21("6","6","7","6","6","1","5","1") = "6"
    & skf21("6","6","7","6","6","1","6","1") = "6"
    & skf21("6","6","7","6","6","1","7","1") = "6"
    & skf21("6","6","7","6","6","2","1","1") = "6"
    & skf21("6","6","7","6","6","2","2","1") = "6"
    & skf21("6","6","7","6","6","2","3","1") = "6"
    & skf21("6","6","7","6","6","2","4","1") = "6"
    & skf21("6","6","7","6","6","2","5","1") = "6"
    & skf21("6","6","7","6","6","2","6","1") = "6"
    & skf21("6","6","7","6","6","2","7","1") = "6"
    & skf21("6","6","7","6","6","3","1","1") = "6"
    & skf21("6","6","7","6","6","3","2","1") = "6"
    & skf21("6","6","7","6","6","3","3","1") = "6"
    & skf21("6","6","7","6","6","3","4","1") = "6"
    & skf21("6","6","7","6","6","3","5","1") = "6"
    & skf21("6","6","7","6","6","3","6","1") = "6"
    & skf21("6","6","7","6","6","3","7","1") = "6"
    & skf21("6","6","7","6","6","4","1","1") = "6"
    & skf21("6","6","7","6","6","4","2","1") = "6"
    & skf21("6","6","7","6","6","4","3","1") = "6"
    & skf21("6","6","7","6","6","4","4","1") = "6"
    & skf21("6","6","7","6","6","4","5","1") = "6"
    & skf21("6","6","7","6","6","4","6","1") = "6"
    & skf21("6","6","7","6","6","4","7","1") = "6"
    & skf21("6","6","7","6","6","5","1","1") = "6"
    & skf21("6","6","7","6","6","5","2","1") = "6"
    & skf21("6","6","7","6","6","5","3","1") = "6"
    & skf21("6","6","7","6","6","5","4","1") = "6"
    & skf21("6","6","7","6","6","5","5","1") = "6"
    & skf21("6","6","7","6","6","5","6","1") = "6"
    & skf21("6","6","7","6","6","5","7","1") = "6"
    & skf21("6","6","7","6","6","6","1","1") = "6"
    & skf21("6","6","7","6","6","6","2","1") = "6"
    & skf21("6","6","7","6","6","6","3","1") = "6"
    & skf21("6","6","7","6","6","6","4","1") = "6"
    & skf21("6","6","7","6","6","6","5","1") = "6"
    & skf21("6","6","7","6","6","6","6","1") = "6"
    & skf21("6","6","7","6","6","6","7","1") = "6"
    & skf21("6","6","7","6","6","7","1","1") = "6"
    & skf21("6","6","7","6","6","7","2","1") = "6"
    & skf21("6","6","7","6","6","7","3","1") = "6"
    & skf21("6","6","7","6","6","7","4","1") = "6"
    & skf21("6","6","7","6","6","7","5","1") = "6"
    & skf21("6","6","7","6","6","7","6","1") = "6"
    & skf21("6","6","7","6","6","7","7","1") = "6"
    & skf21("6","6","7","6","7","1","1","1") = "6"
    & skf21("6","6","7","6","7","1","2","1") = "6"
    & skf21("6","6","7","6","7","1","3","1") = "6"
    & skf21("6","6","7","6","7","1","4","1") = "6"
    & skf21("6","6","7","6","7","1","5","1") = "6"
    & skf21("6","6","7","6","7","1","6","1") = "6"
    & skf21("6","6","7","6","7","1","7","1") = "6"
    & skf21("6","6","7","6","7","2","1","1") = "6"
    & skf21("6","6","7","6","7","2","2","1") = "6"
    & skf21("6","6","7","6","7","2","3","1") = "6"
    & skf21("6","6","7","6","7","2","4","1") = "6"
    & skf21("6","6","7","6","7","2","5","1") = "6"
    & skf21("6","6","7","6","7","2","6","1") = "6"
    & skf21("6","6","7","6","7","2","7","1") = "6"
    & skf21("6","6","7","6","7","3","1","1") = "6"
    & skf21("6","6","7","6","7","3","2","1") = "6"
    & skf21("6","6","7","6","7","3","3","1") = "6"
    & skf21("6","6","7","6","7","3","4","1") = "6"
    & skf21("6","6","7","6","7","3","5","1") = "6"
    & skf21("6","6","7","6","7","3","6","1") = "6"
    & skf21("6","6","7","6","7","3","7","1") = "6"
    & skf21("6","6","7","6","7","4","1","1") = "6"
    & skf21("6","6","7","6","7","4","2","1") = "6"
    & skf21("6","6","7","6","7","4","3","1") = "6"
    & skf21("6","6","7","6","7","4","4","1") = "6"
    & skf21("6","6","7","6","7","4","5","1") = "6"
    & skf21("6","6","7","6","7","4","6","1") = "6"
    & skf21("6","6","7","6","7","4","7","1") = "6"
    & skf21("6","6","7","6","7","5","1","1") = "6"
    & skf21("6","6","7","6","7","5","2","1") = "6"
    & skf21("6","6","7","6","7","5","3","1") = "6"
    & skf21("6","6","7","6","7","5","4","1") = "6"
    & skf21("6","6","7","6","7","5","5","1") = "6"
    & skf21("6","6","7","6","7","5","6","1") = "6"
    & skf21("6","6","7","6","7","5","7","1") = "6"
    & skf21("6","6","7","6","7","6","1","1") = "6"
    & skf21("6","6","7","6","7","6","2","1") = "6"
    & skf21("6","6","7","6","7","6","3","1") = "6"
    & skf21("6","6","7","6","7","6","4","1") = "6"
    & skf21("6","6","7","6","7","6","5","1") = "6"
    & skf21("6","6","7","6","7","6","6","1") = "6"
    & skf21("6","6","7","6","7","6","7","1") = "6"
    & skf21("6","6","7","6","7","7","1","1") = "6"
    & skf21("6","6","7","6","7","7","2","1") = "6"
    & skf21("6","6","7","6","7","7","3","1") = "6"
    & skf21("6","6","7","6","7","7","4","1") = "6"
    & skf21("6","6","7","6","7","7","5","1") = "6"
    & skf21("6","6","7","6","7","7","6","1") = "6"
    & skf21("6","6","7","6","7","7","7","1") = "6"
    & skf21("6","6","7","7","1","1","1","1") = "6"
    & skf21("6","6","7","7","1","1","2","1") = "6"
    & skf21("6","6","7","7","1","1","3","1") = "6"
    & skf21("6","6","7","7","1","1","4","1") = "6"
    & skf21("6","6","7","7","1","1","5","1") = "6"
    & skf21("6","6","7","7","1","1","6","1") = "6"
    & skf21("6","6","7","7","1","1","7","1") = "6"
    & skf21("6","6","7","7","1","2","1","1") = "6"
    & skf21("6","6","7","7","1","2","2","1") = "6"
    & skf21("6","6","7","7","1","2","3","1") = "6"
    & skf21("6","6","7","7","1","2","4","1") = "6"
    & skf21("6","6","7","7","1","2","5","1") = "6"
    & skf21("6","6","7","7","1","2","6","1") = "6"
    & skf21("6","6","7","7","1","2","7","1") = "6"
    & skf21("6","6","7","7","1","3","1","1") = "6"
    & skf21("6","6","7","7","1","3","2","1") = "6"
    & skf21("6","6","7","7","1","3","3","1") = "6"
    & skf21("6","6","7","7","1","3","4","1") = "6"
    & skf21("6","6","7","7","1","3","5","1") = "6"
    & skf21("6","6","7","7","1","3","6","1") = "6"
    & skf21("6","6","7","7","1","3","7","1") = "6"
    & skf21("6","6","7","7","1","4","1","1") = "6"
    & skf21("6","6","7","7","1","4","2","1") = "6"
    & skf21("6","6","7","7","1","4","3","1") = "6"
    & skf21("6","6","7","7","1","4","4","1") = "6"
    & skf21("6","6","7","7","1","4","5","1") = "6"
    & skf21("6","6","7","7","1","4","6","1") = "6"
    & skf21("6","6","7","7","1","4","7","1") = "6"
    & skf21("6","6","7","7","1","5","1","1") = "6"
    & skf21("6","6","7","7","1","5","2","1") = "6"
    & skf21("6","6","7","7","1","5","3","1") = "6"
    & skf21("6","6","7","7","1","5","4","1") = "6"
    & skf21("6","6","7","7","1","5","5","1") = "6"
    & skf21("6","6","7","7","1","5","6","1") = "6"
    & skf21("6","6","7","7","1","5","7","1") = "6"
    & skf21("6","6","7","7","1","6","1","1") = "6"
    & skf21("6","6","7","7","1","6","2","1") = "6"
    & skf21("6","6","7","7","1","6","3","1") = "6"
    & skf21("6","6","7","7","1","6","4","1") = "6"
    & skf21("6","6","7","7","1","6","5","1") = "6"
    & skf21("6","6","7","7","1","6","6","1") = "6"
    & skf21("6","6","7","7","1","6","7","1") = "6"
    & skf21("6","6","7","7","1","7","1","1") = "6"
    & skf21("6","6","7","7","1","7","2","1") = "6"
    & skf21("6","6","7","7","1","7","3","1") = "6"
    & skf21("6","6","7","7","1","7","4","1") = "6"
    & skf21("6","6","7","7","1","7","5","1") = "6"
    & skf21("6","6","7","7","1","7","6","1") = "6"
    & skf21("6","6","7","7","1","7","7","1") = "6"
    & skf21("6","6","7","7","2","1","1","1") = "6"
    & skf21("6","6","7","7","2","1","2","1") = "6"
    & skf21("6","6","7","7","2","1","3","1") = "6"
    & skf21("6","6","7","7","2","1","4","1") = "6"
    & skf21("6","6","7","7","2","1","5","1") = "6"
    & skf21("6","6","7","7","2","1","6","1") = "6"
    & skf21("6","6","7","7","2","1","7","1") = "6"
    & skf21("6","6","7","7","2","2","1","1") = "6"
    & skf21("6","6","7","7","2","2","2","1") = "6"
    & skf21("6","6","7","7","2","2","3","1") = "6"
    & skf21("6","6","7","7","2","2","4","1") = "6"
    & skf21("6","6","7","7","2","2","5","1") = "6"
    & skf21("6","6","7","7","2","2","6","1") = "6"
    & skf21("6","6","7","7","2","2","7","1") = "6"
    & skf21("6","6","7","7","2","3","1","1") = "6"
    & skf21("6","6","7","7","2","3","2","1") = "6"
    & skf21("6","6","7","7","2","3","3","1") = "6"
    & skf21("6","6","7","7","2","3","4","1") = "6"
    & skf21("6","6","7","7","2","3","5","1") = "6"
    & skf21("6","6","7","7","2","3","6","1") = "6"
    & skf21("6","6","7","7","2","3","7","1") = "6"
    & skf21("6","6","7","7","2","4","1","1") = "6"
    & skf21("6","6","7","7","2","4","2","1") = "6"
    & skf21("6","6","7","7","2","4","3","1") = "6"
    & skf21("6","6","7","7","2","4","4","1") = "6"
    & skf21("6","6","7","7","2","4","5","1") = "6"
    & skf21("6","6","7","7","2","4","6","1") = "6"
    & skf21("6","6","7","7","2","4","7","1") = "6"
    & skf21("6","6","7","7","2","5","1","1") = "6"
    & skf21("6","6","7","7","2","5","2","1") = "6"
    & skf21("6","6","7","7","2","5","3","1") = "6"
    & skf21("6","6","7","7","2","5","4","1") = "6"
    & skf21("6","6","7","7","2","5","5","1") = "6"
    & skf21("6","6","7","7","2","5","6","1") = "6"
    & skf21("6","6","7","7","2","5","7","1") = "6"
    & skf21("6","6","7","7","2","6","1","1") = "6"
    & skf21("6","6","7","7","2","6","2","1") = "6"
    & skf21("6","6","7","7","2","6","3","1") = "6"
    & skf21("6","6","7","7","2","6","4","1") = "6"
    & skf21("6","6","7","7","2","6","5","1") = "6"
    & skf21("6","6","7","7","2","6","6","1") = "6"
    & skf21("6","6","7","7","2","6","7","1") = "6"
    & skf21("6","6","7","7","2","7","1","1") = "6"
    & skf21("6","6","7","7","2","7","2","1") = "6"
    & skf21("6","6","7","7","2","7","3","1") = "6"
    & skf21("6","6","7","7","2","7","4","1") = "6"
    & skf21("6","6","7","7","2","7","5","1") = "6"
    & skf21("6","6","7","7","2","7","6","1") = "6"
    & skf21("6","6","7","7","2","7","7","1") = "6"
    & skf21("6","6","7","7","3","1","1","1") = "6"
    & skf21("6","6","7","7","3","1","2","1") = "6"
    & skf21("6","6","7","7","3","1","3","1") = "6"
    & skf21("6","6","7","7","3","1","4","1") = "6"
    & skf21("6","6","7","7","3","1","5","1") = "6"
    & skf21("6","6","7","7","3","1","6","1") = "6"
    & skf21("6","6","7","7","3","1","7","1") = "6"
    & skf21("6","6","7","7","3","2","1","1") = "6"
    & skf21("6","6","7","7","3","2","2","1") = "6"
    & skf21("6","6","7","7","3","2","3","1") = "6"
    & skf21("6","6","7","7","3","2","4","1") = "6"
    & skf21("6","6","7","7","3","2","5","1") = "6"
    & skf21("6","6","7","7","3","2","6","1") = "6"
    & skf21("6","6","7","7","3","2","7","1") = "6"
    & skf21("6","6","7","7","3","3","1","1") = "6"
    & skf21("6","6","7","7","3","3","2","1") = "6"
    & skf21("6","6","7","7","3","3","3","1") = "6"
    & skf21("6","6","7","7","3","3","4","1") = "6"
    & skf21("6","6","7","7","3","3","5","1") = "6"
    & skf21("6","6","7","7","3","3","6","1") = "6"
    & skf21("6","6","7","7","3","3","7","1") = "6"
    & skf21("6","6","7","7","3","4","1","1") = "6"
    & skf21("6","6","7","7","3","4","2","1") = "6"
    & skf21("6","6","7","7","3","4","3","1") = "6"
    & skf21("6","6","7","7","3","4","4","1") = "6"
    & skf21("6","6","7","7","3","4","5","1") = "6"
    & skf21("6","6","7","7","3","4","6","1") = "6"
    & skf21("6","6","7","7","3","4","7","1") = "6"
    & skf21("6","6","7","7","3","5","1","1") = "6"
    & skf21("6","6","7","7","3","5","2","1") = "6"
    & skf21("6","6","7","7","3","5","3","1") = "6"
    & skf21("6","6","7","7","3","5","4","1") = "6"
    & skf21("6","6","7","7","3","5","5","1") = "6"
    & skf21("6","6","7","7","3","5","6","1") = "6"
    & skf21("6","6","7","7","3","5","7","1") = "6"
    & skf21("6","6","7","7","3","6","1","1") = "6"
    & skf21("6","6","7","7","3","6","2","1") = "6"
    & skf21("6","6","7","7","3","6","3","1") = "6"
    & skf21("6","6","7","7","3","6","4","1") = "6"
    & skf21("6","6","7","7","3","6","5","1") = "6"
    & skf21("6","6","7","7","3","6","6","1") = "6"
    & skf21("6","6","7","7","3","6","7","1") = "6"
    & skf21("6","6","7","7","3","7","1","1") = "6"
    & skf21("6","6","7","7","3","7","2","1") = "6"
    & skf21("6","6","7","7","3","7","3","1") = "6"
    & skf21("6","6","7","7","3","7","4","1") = "6"
    & skf21("6","6","7","7","3","7","5","1") = "6"
    & skf21("6","6","7","7","3","7","6","1") = "6"
    & skf21("6","6","7","7","3","7","7","1") = "6"
    & skf21("6","6","7","7","4","1","1","1") = "6"
    & skf21("6","6","7","7","4","1","2","1") = "6"
    & skf21("6","6","7","7","4","1","3","1") = "6"
    & skf21("6","6","7","7","4","1","4","1") = "6"
    & skf21("6","6","7","7","4","1","5","1") = "6"
    & skf21("6","6","7","7","4","1","6","1") = "6"
    & skf21("6","6","7","7","4","1","7","1") = "6"
    & skf21("6","6","7","7","4","2","1","1") = "6"
    & skf21("6","6","7","7","4","2","2","1") = "6"
    & skf21("6","6","7","7","4","2","3","1") = "6"
    & skf21("6","6","7","7","4","2","4","1") = "6"
    & skf21("6","6","7","7","4","2","5","1") = "6"
    & skf21("6","6","7","7","4","2","6","1") = "6"
    & skf21("6","6","7","7","4","2","7","1") = "6"
    & skf21("6","6","7","7","4","3","1","1") = "6"
    & skf21("6","6","7","7","4","3","2","1") = "6"
    & skf21("6","6","7","7","4","3","3","1") = "6"
    & skf21("6","6","7","7","4","3","4","1") = "6"
    & skf21("6","6","7","7","4","3","5","1") = "6"
    & skf21("6","6","7","7","4","3","6","1") = "6"
    & skf21("6","6","7","7","4","3","7","1") = "6"
    & skf21("6","6","7","7","4","4","1","1") = "6"
    & skf21("6","6","7","7","4","4","2","1") = "6"
    & skf21("6","6","7","7","4","4","3","1") = "6"
    & skf21("6","6","7","7","4","4","4","1") = "6"
    & skf21("6","6","7","7","4","4","5","1") = "6"
    & skf21("6","6","7","7","4","4","6","1") = "6"
    & skf21("6","6","7","7","4","4","7","1") = "6"
    & skf21("6","6","7","7","4","5","1","1") = "6"
    & skf21("6","6","7","7","4","5","2","1") = "6"
    & skf21("6","6","7","7","4","5","3","1") = "6"
    & skf21("6","6","7","7","4","5","4","1") = "6"
    & skf21("6","6","7","7","4","5","5","1") = "6"
    & skf21("6","6","7","7","4","5","6","1") = "6"
    & skf21("6","6","7","7","4","5","7","1") = "6"
    & skf21("6","6","7","7","4","6","1","1") = "6"
    & skf21("6","6","7","7","4","6","2","1") = "6"
    & skf21("6","6","7","7","4","6","3","1") = "6"
    & skf21("6","6","7","7","4","6","4","1") = "6"
    & skf21("6","6","7","7","4","6","5","1") = "6"
    & skf21("6","6","7","7","4","6","6","1") = "6"
    & skf21("6","6","7","7","4","6","7","1") = "6"
    & skf21("6","6","7","7","4","7","1","1") = "6"
    & skf21("6","6","7","7","4","7","2","1") = "6"
    & skf21("6","6","7","7","4","7","3","1") = "6"
    & skf21("6","6","7","7","4","7","4","1") = "6"
    & skf21("6","6","7","7","4","7","5","1") = "6"
    & skf21("6","6","7","7","4","7","6","1") = "6"
    & skf21("6","6","7","7","4","7","7","1") = "6"
    & skf21("6","6","7","7","5","1","1","1") = "6"
    & skf21("6","6","7","7","5","1","2","1") = "6"
    & skf21("6","6","7","7","5","1","3","1") = "6"
    & skf21("6","6","7","7","5","1","4","1") = "6"
    & skf21("6","6","7","7","5","1","5","1") = "6"
    & skf21("6","6","7","7","5","1","6","1") = "6"
    & skf21("6","6","7","7","5","1","7","1") = "6"
    & skf21("6","6","7","7","5","2","1","1") = "6"
    & skf21("6","6","7","7","5","2","2","1") = "6"
    & skf21("6","6","7","7","5","2","3","1") = "6"
    & skf21("6","6","7","7","5","2","4","1") = "6"
    & skf21("6","6","7","7","5","2","5","1") = "6"
    & skf21("6","6","7","7","5","2","6","1") = "6"
    & skf21("6","6","7","7","5","2","7","1") = "6"
    & skf21("6","6","7","7","5","3","1","1") = "6"
    & skf21("6","6","7","7","5","3","2","1") = "6"
    & skf21("6","6","7","7","5","3","3","1") = "6"
    & skf21("6","6","7","7","5","3","4","1") = "6"
    & skf21("6","6","7","7","5","3","5","1") = "6"
    & skf21("6","6","7","7","5","3","6","1") = "6"
    & skf21("6","6","7","7","5","3","7","1") = "6"
    & skf21("6","6","7","7","5","4","1","1") = "6"
    & skf21("6","6","7","7","5","4","2","1") = "6"
    & skf21("6","6","7","7","5","4","3","1") = "6"
    & skf21("6","6","7","7","5","4","4","1") = "6"
    & skf21("6","6","7","7","5","4","5","1") = "6"
    & skf21("6","6","7","7","5","4","6","1") = "6"
    & skf21("6","6","7","7","5","4","7","1") = "6"
    & skf21("6","6","7","7","5","5","1","1") = "6"
    & skf21("6","6","7","7","5","5","2","1") = "6"
    & skf21("6","6","7","7","5","5","3","1") = "6"
    & skf21("6","6","7","7","5","5","4","1") = "6"
    & skf21("6","6","7","7","5","5","5","1") = "6"
    & skf21("6","6","7","7","5","5","6","1") = "6"
    & skf21("6","6","7","7","5","5","7","1") = "6"
    & skf21("6","6","7","7","5","6","1","1") = "6"
    & skf21("6","6","7","7","5","6","2","1") = "6"
    & skf21("6","6","7","7","5","6","3","1") = "6"
    & skf21("6","6","7","7","5","6","4","1") = "6"
    & skf21("6","6","7","7","5","6","5","1") = "6"
    & skf21("6","6","7","7","5","6","6","1") = "6"
    & skf21("6","6","7","7","5","6","7","1") = "6"
    & skf21("6","6","7","7","5","7","1","1") = "6"
    & skf21("6","6","7","7","5","7","2","1") = "6"
    & skf21("6","6","7","7","5","7","3","1") = "6"
    & skf21("6","6","7","7","5","7","4","1") = "6"
    & skf21("6","6","7","7","5","7","5","1") = "6"
    & skf21("6","6","7","7","5","7","6","1") = "6"
    & skf21("6","6","7","7","5","7","7","1") = "6"
    & skf21("6","6","7","7","6","1","1","1") = "6"
    & skf21("6","6","7","7","6","1","2","1") = "6"
    & skf21("6","6","7","7","6","1","3","1") = "6"
    & skf21("6","6","7","7","6","1","4","1") = "6"
    & skf21("6","6","7","7","6","1","5","1") = "6"
    & skf21("6","6","7","7","6","1","6","1") = "6"
    & skf21("6","6","7","7","6","1","7","1") = "6"
    & skf21("6","6","7","7","6","2","1","1") = "6"
    & skf21("6","6","7","7","6","2","2","1") = "6"
    & skf21("6","6","7","7","6","2","3","1") = "6"
    & skf21("6","6","7","7","6","2","4","1") = "6"
    & skf21("6","6","7","7","6","2","5","1") = "6"
    & skf21("6","6","7","7","6","2","6","1") = "6"
    & skf21("6","6","7","7","6","2","7","1") = "6"
    & skf21("6","6","7","7","6","3","1","1") = "6"
    & skf21("6","6","7","7","6","3","2","1") = "6"
    & skf21("6","6","7","7","6","3","3","1") = "6"
    & skf21("6","6","7","7","6","3","4","1") = "6"
    & skf21("6","6","7","7","6","3","5","1") = "6"
    & skf21("6","6","7","7","6","3","6","1") = "6"
    & skf21("6","6","7","7","6","3","7","1") = "6"
    & skf21("6","6","7","7","6","4","1","1") = "6"
    & skf21("6","6","7","7","6","4","2","1") = "6"
    & skf21("6","6","7","7","6","4","3","1") = "6"
    & skf21("6","6","7","7","6","4","4","1") = "6"
    & skf21("6","6","7","7","6","4","5","1") = "6"
    & skf21("6","6","7","7","6","4","6","1") = "6"
    & skf21("6","6","7","7","6","4","7","1") = "6"
    & skf21("6","6","7","7","6","5","1","1") = "6"
    & skf21("6","6","7","7","6","5","2","1") = "6"
    & skf21("6","6","7","7","6","5","3","1") = "6"
    & skf21("6","6","7","7","6","5","4","1") = "6"
    & skf21("6","6","7","7","6","5","5","1") = "6"
    & skf21("6","6","7","7","6","5","6","1") = "6"
    & skf21("6","6","7","7","6","5","7","1") = "6"
    & skf21("6","6","7","7","6","6","1","1") = "6"
    & skf21("6","6","7","7","6","6","2","1") = "6"
    & skf21("6","6","7","7","6","6","3","1") = "6"
    & skf21("6","6","7","7","6","6","4","1") = "6"
    & skf21("6","6","7","7","6","6","5","1") = "6"
    & skf21("6","6","7","7","6","6","6","1") = "6"
    & skf21("6","6","7","7","6","6","7","1") = "6"
    & skf21("6","6","7","7","6","7","1","1") = "6"
    & skf21("6","6","7","7","6","7","2","1") = "6"
    & skf21("6","6","7","7","6","7","3","1") = "6"
    & skf21("6","6","7","7","6","7","4","1") = "6"
    & skf21("6","6","7","7","6","7","5","1") = "6"
    & skf21("6","6","7","7","6","7","6","1") = "6"
    & skf21("6","6","7","7","6","7","7","1") = "6"
    & skf21("6","6","7","7","7","1","1","1") = "6"
    & skf21("6","6","7","7","7","1","2","1") = "6"
    & skf21("6","6","7","7","7","1","3","1") = "6"
    & skf21("6","6","7","7","7","1","4","1") = "6"
    & skf21("6","6","7","7","7","1","5","1") = "6"
    & skf21("6","6","7","7","7","1","6","1") = "6"
    & skf21("6","6","7","7","7","1","7","1") = "6"
    & skf21("6","6","7","7","7","2","1","1") = "6"
    & skf21("6","6","7","7","7","2","2","1") = "6"
    & skf21("6","6","7","7","7","2","3","1") = "6"
    & skf21("6","6","7","7","7","2","4","1") = "6"
    & skf21("6","6","7","7","7","2","5","1") = "6"
    & skf21("6","6","7","7","7","2","6","1") = "6"
    & skf21("6","6","7","7","7","2","7","1") = "6"
    & skf21("6","6","7","7","7","3","1","1") = "6"
    & skf21("6","6","7","7","7","3","2","1") = "6"
    & skf21("6","6","7","7","7","3","3","1") = "6"
    & skf21("6","6","7","7","7","3","4","1") = "6"
    & skf21("6","6","7","7","7","3","5","1") = "6"
    & skf21("6","6","7","7","7","3","6","1") = "6"
    & skf21("6","6","7","7","7","3","7","1") = "6"
    & skf21("6","6","7","7","7","4","1","1") = "6"
    & skf21("6","6","7","7","7","4","2","1") = "6"
    & skf21("6","6","7","7","7","4","3","1") = "6"
    & skf21("6","6","7","7","7","4","4","1") = "6"
    & skf21("6","6","7","7","7","4","5","1") = "6"
    & skf21("6","6","7","7","7","4","6","1") = "6"
    & skf21("6","6","7","7","7","4","7","1") = "6"
    & skf21("6","6","7","7","7","5","1","1") = "6"
    & skf21("6","6","7","7","7","5","2","1") = "6"
    & skf21("6","6","7","7","7","5","3","1") = "6"
    & skf21("6","6","7","7","7","5","4","1") = "6"
    & skf21("6","6","7","7","7","5","5","1") = "6"
    & skf21("6","6","7","7","7","5","6","1") = "6"
    & skf21("6","6","7","7","7","5","7","1") = "6"
    & skf21("6","6","7","7","7","6","1","1") = "6"
    & skf21("6","6","7","7","7","6","2","1") = "6"
    & skf21("6","6","7","7","7","6","3","1") = "6"
    & skf21("6","6","7","7","7","6","4","1") = "6"
    & skf21("6","6","7","7","7","6","5","1") = "6"
    & skf21("6","6","7","7","7","6","6","1") = "6"
    & skf21("6","6","7","7","7","6","7","1") = "6"
    & skf21("6","6","7","7","7","7","1","1") = "6"
    & skf21("6","6","7","7","7","7","2","1") = "6"
    & skf21("6","6","7","7","7","7","3","1") = "6"
    & skf21("6","6","7","7","7","7","4","1") = "6"
    & skf21("6","6","7","7","7","7","5","1") = "6"
    & skf21("6","6","7","7","7","7","6","1") = "6"
    & skf21("6","6","7","7","7","7","7","1") = "6"
    & skf21("6","7","1","1","1","1","1","1") = "6"
    & skf21("6","7","1","1","1","1","2","1") = "6"
    & skf21("6","7","1","1","1","1","3","1") = "6"
    & skf21("6","7","1","1","1","1","4","1") = "6"
    & skf21("6","7","1","1","1","1","5","1") = "6"
    & skf21("6","7","1","1","1","1","6","1") = "6"
    & skf21("6","7","1","1","1","1","7","1") = "6"
    & skf21("6","7","1","1","1","2","1","1") = "6"
    & skf21("6","7","1","1","1","2","2","1") = "6"
    & skf21("6","7","1","1","1","2","3","1") = "6"
    & skf21("6","7","1","1","1","2","4","1") = "6"
    & skf21("6","7","1","1","1","2","5","1") = "6"
    & skf21("6","7","1","1","1","2","6","1") = "6"
    & skf21("6","7","1","1","1","2","7","1") = "6"
    & skf21("6","7","1","1","1","3","1","1") = "6"
    & skf21("6","7","1","1","1","3","2","1") = "6"
    & skf21("6","7","1","1","1","3","3","1") = "6"
    & skf21("6","7","1","1","1","3","4","1") = "6"
    & skf21("6","7","1","1","1","3","5","1") = "6"
    & skf21("6","7","1","1","1","3","6","1") = "6"
    & skf21("6","7","1","1","1","3","7","1") = "6"
    & skf21("6","7","1","1","1","4","1","1") = "6"
    & skf21("6","7","1","1","1","4","2","1") = "6"
    & skf21("6","7","1","1","1","4","3","1") = "6"
    & skf21("6","7","1","1","1","4","4","1") = "6"
    & skf21("6","7","1","1","1","4","5","1") = "6"
    & skf21("6","7","1","1","1","4","6","1") = "6"
    & skf21("6","7","1","1","1","4","7","1") = "6"
    & skf21("6","7","1","1","1","5","1","1") = "6"
    & skf21("6","7","1","1","1","5","2","1") = "6"
    & skf21("6","7","1","1","1","5","3","1") = "6"
    & skf21("6","7","1","1","1","5","4","1") = "6"
    & skf21("6","7","1","1","1","5","5","1") = "6"
    & skf21("6","7","1","1","1","5","6","1") = "6"
    & skf21("6","7","1","1","1","5","7","1") = "6"
    & skf21("6","7","1","1","1","6","1","1") = "6"
    & skf21("6","7","1","1","1","6","2","1") = "6"
    & skf21("6","7","1","1","1","6","3","1") = "6"
    & skf21("6","7","1","1","1","6","4","1") = "6"
    & skf21("6","7","1","1","1","6","5","1") = "6"
    & skf21("6","7","1","1","1","6","6","1") = "6"
    & skf21("6","7","1","1","1","6","7","1") = "6"
    & skf21("6","7","1","1","1","7","1","1") = "6"
    & skf21("6","7","1","1","1","7","2","1") = "6"
    & skf21("6","7","1","1","1","7","3","1") = "6"
    & skf21("6","7","1","1","1","7","4","1") = "6"
    & skf21("6","7","1","1","1","7","5","1") = "6"
    & skf21("6","7","1","1","1","7","6","1") = "6"
    & skf21("6","7","1","1","1","7","7","1") = "6"
    & skf21("6","7","1","1","2","1","1","1") = "6"
    & skf21("6","7","1","1","2","1","2","1") = "6"
    & skf21("6","7","1","1","2","1","3","1") = "6"
    & skf21("6","7","1","1","2","1","4","1") = "6"
    & skf21("6","7","1","1","2","1","5","1") = "6"
    & skf21("6","7","1","1","2","1","6","1") = "6"
    & skf21("6","7","1","1","2","1","7","1") = "6"
    & skf21("6","7","1","1","2","2","1","1") = "6"
    & skf21("6","7","1","1","2","2","2","1") = "6"
    & skf21("6","7","1","1","2","2","3","1") = "6"
    & skf21("6","7","1","1","2","2","4","1") = "6"
    & skf21("6","7","1","1","2","2","5","1") = "6"
    & skf21("6","7","1","1","2","2","6","1") = "6"
    & skf21("6","7","1","1","2","2","7","1") = "6"
    & skf21("6","7","1","1","2","3","1","1") = "6"
    & skf21("6","7","1","1","2","3","2","1") = "6"
    & skf21("6","7","1","1","2","3","3","1") = "6"
    & skf21("6","7","1","1","2","3","4","1") = "6"
    & skf21("6","7","1","1","2","3","5","1") = "6"
    & skf21("6","7","1","1","2","3","6","1") = "6"
    & skf21("6","7","1","1","2","3","7","1") = "6"
    & skf21("6","7","1","1","2","4","1","1") = "6"
    & skf21("6","7","1","1","2","4","2","1") = "6"
    & skf21("6","7","1","1","2","4","3","1") = "6"
    & skf21("6","7","1","1","2","4","4","1") = "6"
    & skf21("6","7","1","1","2","4","5","1") = "6"
    & skf21("6","7","1","1","2","4","6","1") = "6"
    & skf21("6","7","1","1","2","4","7","1") = "6"
    & skf21("6","7","1","1","2","5","1","1") = "6"
    & skf21("6","7","1","1","2","5","2","1") = "6"
    & skf21("6","7","1","1","2","5","3","1") = "6"
    & skf21("6","7","1","1","2","5","4","1") = "6"
    & skf21("6","7","1","1","2","5","5","1") = "6"
    & skf21("6","7","1","1","2","5","6","1") = "6"
    & skf21("6","7","1","1","2","5","7","1") = "6"
    & skf21("6","7","1","1","2","6","1","1") = "6"
    & skf21("6","7","1","1","2","6","2","1") = "6"
    & skf21("6","7","1","1","2","6","3","1") = "6"
    & skf21("6","7","1","1","2","6","4","1") = "6"
    & skf21("6","7","1","1","2","6","5","1") = "6"
    & skf21("6","7","1","1","2","6","6","1") = "6"
    & skf21("6","7","1","1","2","6","7","1") = "6"
    & skf21("6","7","1","1","2","7","1","1") = "6"
    & skf21("6","7","1","1","2","7","2","1") = "6"
    & skf21("6","7","1","1","2","7","3","1") = "6"
    & skf21("6","7","1","1","2","7","4","1") = "6"
    & skf21("6","7","1","1","2","7","5","1") = "6"
    & skf21("6","7","1","1","2","7","6","1") = "6"
    & skf21("6","7","1","1","2","7","7","1") = "6"
    & skf21("6","7","1","1","3","1","1","1") = "6"
    & skf21("6","7","1","1","3","1","2","1") = "6"
    & skf21("6","7","1","1","3","1","3","1") = "6"
    & skf21("6","7","1","1","3","1","4","1") = "6"
    & skf21("6","7","1","1","3","1","5","1") = "6"
    & skf21("6","7","1","1","3","1","6","1") = "6"
    & skf21("6","7","1","1","3","1","7","1") = "6"
    & skf21("6","7","1","1","3","2","1","1") = "6"
    & skf21("6","7","1","1","3","2","2","1") = "6"
    & skf21("6","7","1","1","3","2","3","1") = "6"
    & skf21("6","7","1","1","3","2","4","1") = "6"
    & skf21("6","7","1","1","3","2","5","1") = "6"
    & skf21("6","7","1","1","3","2","6","1") = "6"
    & skf21("6","7","1","1","3","2","7","1") = "6"
    & skf21("6","7","1","1","3","3","1","1") = "6"
    & skf21("6","7","1","1","3","3","2","1") = "6"
    & skf21("6","7","1","1","3","3","3","1") = "6"
    & skf21("6","7","1","1","3","3","4","1") = "6"
    & skf21("6","7","1","1","3","3","5","1") = "6"
    & skf21("6","7","1","1","3","3","6","1") = "6"
    & skf21("6","7","1","1","3","3","7","1") = "6"
    & skf21("6","7","1","1","3","4","1","1") = "6"
    & skf21("6","7","1","1","3","4","2","1") = "6"
    & skf21("6","7","1","1","3","4","3","1") = "6"
    & skf21("6","7","1","1","3","4","4","1") = "6"
    & skf21("6","7","1","1","3","4","5","1") = "6"
    & skf21("6","7","1","1","3","4","6","1") = "6"
    & skf21("6","7","1","1","3","4","7","1") = "6"
    & skf21("6","7","1","1","3","5","1","1") = "6"
    & skf21("6","7","1","1","3","5","2","1") = "6"
    & skf21("6","7","1","1","3","5","3","1") = "6"
    & skf21("6","7","1","1","3","5","4","1") = "6"
    & skf21("6","7","1","1","3","5","5","1") = "6"
    & skf21("6","7","1","1","3","5","6","1") = "6"
    & skf21("6","7","1","1","3","5","7","1") = "6"
    & skf21("6","7","1","1","3","6","1","1") = "6"
    & skf21("6","7","1","1","3","6","2","1") = "6"
    & skf21("6","7","1","1","3","6","3","1") = "6"
    & skf21("6","7","1","1","3","6","4","1") = "6"
    & skf21("6","7","1","1","3","6","5","1") = "6"
    & skf21("6","7","1","1","3","6","6","1") = "6"
    & skf21("6","7","1","1","3","6","7","1") = "6"
    & skf21("6","7","1","1","3","7","1","1") = "6"
    & skf21("6","7","1","1","3","7","2","1") = "6"
    & skf21("6","7","1","1","3","7","3","1") = "6"
    & skf21("6","7","1","1","3","7","4","1") = "6"
    & skf21("6","7","1","1","3","7","5","1") = "6"
    & skf21("6","7","1","1","3","7","6","1") = "6"
    & skf21("6","7","1","1","3","7","7","1") = "6"
    & skf21("6","7","1","1","4","1","1","1") = "6"
    & skf21("6","7","1","1","4","1","2","1") = "6"
    & skf21("6","7","1","1","4","1","3","1") = "6"
    & skf21("6","7","1","1","4","1","4","1") = "6"
    & skf21("6","7","1","1","4","1","5","1") = "6"
    & skf21("6","7","1","1","4","1","6","1") = "6"
    & skf21("6","7","1","1","4","1","7","1") = "6"
    & skf21("6","7","1","1","4","2","1","1") = "6"
    & skf21("6","7","1","1","4","2","2","1") = "6"
    & skf21("6","7","1","1","4","2","3","1") = "6"
    & skf21("6","7","1","1","4","2","4","1") = "6"
    & skf21("6","7","1","1","4","2","5","1") = "6"
    & skf21("6","7","1","1","4","2","6","1") = "6"
    & skf21("6","7","1","1","4","2","7","1") = "6"
    & skf21("6","7","1","1","4","3","1","1") = "6"
    & skf21("6","7","1","1","4","3","2","1") = "6"
    & skf21("6","7","1","1","4","3","3","1") = "6"
    & skf21("6","7","1","1","4","3","4","1") = "6"
    & skf21("6","7","1","1","4","3","5","1") = "6"
    & skf21("6","7","1","1","4","3","6","1") = "6"
    & skf21("6","7","1","1","4","3","7","1") = "6"
    & skf21("6","7","1","1","4","4","1","1") = "6"
    & skf21("6","7","1","1","4","4","2","1") = "6"
    & skf21("6","7","1","1","4","4","3","1") = "6"
    & skf21("6","7","1","1","4","4","4","1") = "6"
    & skf21("6","7","1","1","4","4","5","1") = "6"
    & skf21("6","7","1","1","4","4","6","1") = "6"
    & skf21("6","7","1","1","4","4","7","1") = "6"
    & skf21("6","7","1","1","4","5","1","1") = "6"
    & skf21("6","7","1","1","4","5","2","1") = "6"
    & skf21("6","7","1","1","4","5","3","1") = "6"
    & skf21("6","7","1","1","4","5","4","1") = "6"
    & skf21("6","7","1","1","4","5","5","1") = "6"
    & skf21("6","7","1","1","4","5","6","1") = "6"
    & skf21("6","7","1","1","4","5","7","1") = "6"
    & skf21("6","7","1","1","4","6","1","1") = "6"
    & skf21("6","7","1","1","4","6","2","1") = "6"
    & skf21("6","7","1","1","4","6","3","1") = "6"
    & skf21("6","7","1","1","4","6","4","1") = "6"
    & skf21("6","7","1","1","4","6","5","1") = "6"
    & skf21("6","7","1","1","4","6","6","1") = "6"
    & skf21("6","7","1","1","4","6","7","1") = "6"
    & skf21("6","7","1","1","4","7","1","1") = "6"
    & skf21("6","7","1","1","4","7","2","1") = "6"
    & skf21("6","7","1","1","4","7","3","1") = "6"
    & skf21("6","7","1","1","4","7","4","1") = "6"
    & skf21("6","7","1","1","4","7","5","1") = "6"
    & skf21("6","7","1","1","4","7","6","1") = "6"
    & skf21("6","7","1","1","4","7","7","1") = "6"
    & skf21("6","7","1","1","5","1","1","1") = "6"
    & skf21("6","7","1","1","5","1","2","1") = "6"
    & skf21("6","7","1","1","5","1","3","1") = "6"
    & skf21("6","7","1","1","5","1","4","1") = "6"
    & skf21("6","7","1","1","5","1","5","1") = "6"
    & skf21("6","7","1","1","5","1","6","1") = "6"
    & skf21("6","7","1","1","5","1","7","1") = "6"
    & skf21("6","7","1","1","5","2","1","1") = "6"
    & skf21("6","7","1","1","5","2","2","1") = "6"
    & skf21("6","7","1","1","5","2","3","1") = "6"
    & skf21("6","7","1","1","5","2","4","1") = "6"
    & skf21("6","7","1","1","5","2","5","1") = "6"
    & skf21("6","7","1","1","5","2","6","1") = "6"
    & skf21("6","7","1","1","5","2","7","1") = "6"
    & skf21("6","7","1","1","5","3","1","1") = "6"
    & skf21("6","7","1","1","5","3","2","1") = "6"
    & skf21("6","7","1","1","5","3","3","1") = "6"
    & skf21("6","7","1","1","5","3","4","1") = "6"
    & skf21("6","7","1","1","5","3","5","1") = "6"
    & skf21("6","7","1","1","5","3","6","1") = "6"
    & skf21("6","7","1","1","5","3","7","1") = "6"
    & skf21("6","7","1","1","5","4","1","1") = "6"
    & skf21("6","7","1","1","5","4","2","1") = "6"
    & skf21("6","7","1","1","5","4","3","1") = "6"
    & skf21("6","7","1","1","5","4","4","1") = "6"
    & skf21("6","7","1","1","5","4","5","1") = "6"
    & skf21("6","7","1","1","5","4","6","1") = "6"
    & skf21("6","7","1","1","5","4","7","1") = "6"
    & skf21("6","7","1","1","5","5","1","1") = "6"
    & skf21("6","7","1","1","5","5","2","1") = "6"
    & skf21("6","7","1","1","5","5","3","1") = "6"
    & skf21("6","7","1","1","5","5","4","1") = "6"
    & skf21("6","7","1","1","5","5","5","1") = "6"
    & skf21("6","7","1","1","5","5","6","1") = "6"
    & skf21("6","7","1","1","5","5","7","1") = "6"
    & skf21("6","7","1","1","5","6","1","1") = "6"
    & skf21("6","7","1","1","5","6","2","1") = "6"
    & skf21("6","7","1","1","5","6","3","1") = "6"
    & skf21("6","7","1","1","5","6","4","1") = "6"
    & skf21("6","7","1","1","5","6","5","1") = "6"
    & skf21("6","7","1","1","5","6","6","1") = "6"
    & skf21("6","7","1","1","5","6","7","1") = "6"
    & skf21("6","7","1","1","5","7","1","1") = "6"
    & skf21("6","7","1","1","5","7","2","1") = "6"
    & skf21("6","7","1","1","5","7","3","1") = "6"
    & skf21("6","7","1","1","5","7","4","1") = "6"
    & skf21("6","7","1","1","5","7","5","1") = "6"
    & skf21("6","7","1","1","5","7","6","1") = "6"
    & skf21("6","7","1","1","5","7","7","1") = "6"
    & skf21("6","7","1","1","6","1","1","1") = "6"
    & skf21("6","7","1","1","6","1","2","1") = "6"
    & skf21("6","7","1","1","6","1","3","1") = "6"
    & skf21("6","7","1","1","6","1","4","1") = "6"
    & skf21("6","7","1","1","6","1","5","1") = "6"
    & skf21("6","7","1","1","6","1","6","1") = "6"
    & skf21("6","7","1","1","6","1","7","1") = "6"
    & skf21("6","7","1","1","6","2","1","1") = "6"
    & skf21("6","7","1","1","6","2","2","1") = "6"
    & skf21("6","7","1","1","6","2","3","1") = "6"
    & skf21("6","7","1","1","6","2","4","1") = "6"
    & skf21("6","7","1","1","6","2","5","1") = "6"
    & skf21("6","7","1","1","6","2","6","1") = "6"
    & skf21("6","7","1","1","6","2","7","1") = "6"
    & skf21("6","7","1","1","6","3","1","1") = "6"
    & skf21("6","7","1","1","6","3","2","1") = "6"
    & skf21("6","7","1","1","6","3","3","1") = "6"
    & skf21("6","7","1","1","6","3","4","1") = "6"
    & skf21("6","7","1","1","6","3","5","1") = "6"
    & skf21("6","7","1","1","6","3","6","1") = "6"
    & skf21("6","7","1","1","6","3","7","1") = "6"
    & skf21("6","7","1","1","6","4","1","1") = "6"
    & skf21("6","7","1","1","6","4","2","1") = "6"
    & skf21("6","7","1","1","6","4","3","1") = "6"
    & skf21("6","7","1","1","6","4","4","1") = "6"
    & skf21("6","7","1","1","6","4","5","1") = "6"
    & skf21("6","7","1","1","6","4","6","1") = "6"
    & skf21("6","7","1","1","6","4","7","1") = "6"
    & skf21("6","7","1","1","6","5","1","1") = "6"
    & skf21("6","7","1","1","6","5","2","1") = "6"
    & skf21("6","7","1","1","6","5","3","1") = "6"
    & skf21("6","7","1","1","6","5","4","1") = "6"
    & skf21("6","7","1","1","6","5","5","1") = "6"
    & skf21("6","7","1","1","6","5","6","1") = "6"
    & skf21("6","7","1","1","6","5","7","1") = "6"
    & skf21("6","7","1","1","6","6","1","1") = "6"
    & skf21("6","7","1","1","6","6","2","1") = "6"
    & skf21("6","7","1","1","6","6","3","1") = "6"
    & skf21("6","7","1","1","6","6","4","1") = "6"
    & skf21("6","7","1","1","6","6","5","1") = "6"
    & skf21("6","7","1","1","6","6","6","1") = "6"
    & skf21("6","7","1","1","6","6","7","1") = "6"
    & skf21("6","7","1","1","6","7","1","1") = "6"
    & skf21("6","7","1","1","6","7","2","1") = "6"
    & skf21("6","7","1","1","6","7","3","1") = "6"
    & skf21("6","7","1","1","6","7","4","1") = "6"
    & skf21("6","7","1","1","6","7","5","1") = "6"
    & skf21("6","7","1","1","6","7","6","1") = "6"
    & skf21("6","7","1","1","6","7","7","1") = "6"
    & skf21("6","7","1","1","7","1","1","1") = "6"
    & skf21("6","7","1","1","7","1","2","1") = "6"
    & skf21("6","7","1","1","7","1","3","1") = "6"
    & skf21("6","7","1","1","7","1","4","1") = "6"
    & skf21("6","7","1","1","7","1","5","1") = "6"
    & skf21("6","7","1","1","7","1","6","1") = "6"
    & skf21("6","7","1","1","7","1","7","1") = "6"
    & skf21("6","7","1","1","7","2","1","1") = "6"
    & skf21("6","7","1","1","7","2","2","1") = "6"
    & skf21("6","7","1","1","7","2","3","1") = "6"
    & skf21("6","7","1","1","7","2","4","1") = "6"
    & skf21("6","7","1","1","7","2","5","1") = "6"
    & skf21("6","7","1","1","7","2","6","1") = "6"
    & skf21("6","7","1","1","7","2","7","1") = "6"
    & skf21("6","7","1","1","7","3","1","1") = "6"
    & skf21("6","7","1","1","7","3","2","1") = "6"
    & skf21("6","7","1","1","7","3","3","1") = "6"
    & skf21("6","7","1","1","7","3","4","1") = "6"
    & skf21("6","7","1","1","7","3","5","1") = "6"
    & skf21("6","7","1","1","7","3","6","1") = "6"
    & skf21("6","7","1","1","7","3","7","1") = "6"
    & skf21("6","7","1","1","7","4","1","1") = "6"
    & skf21("6","7","1","1","7","4","2","1") = "6"
    & skf21("6","7","1","1","7","4","3","1") = "6"
    & skf21("6","7","1","1","7","4","4","1") = "6"
    & skf21("6","7","1","1","7","4","5","1") = "6"
    & skf21("6","7","1","1","7","4","6","1") = "6"
    & skf21("6","7","1","1","7","4","7","1") = "6"
    & skf21("6","7","1","1","7","5","1","1") = "6"
    & skf21("6","7","1","1","7","5","2","1") = "6"
    & skf21("6","7","1","1","7","5","3","1") = "6"
    & skf21("6","7","1","1","7","5","4","1") = "6"
    & skf21("6","7","1","1","7","5","5","1") = "6"
    & skf21("6","7","1","1","7","5","6","1") = "6"
    & skf21("6","7","1","1","7","5","7","1") = "6"
    & skf21("6","7","1","1","7","6","1","1") = "6"
    & skf21("6","7","1","1","7","6","2","1") = "6"
    & skf21("6","7","1","1","7","6","3","1") = "6"
    & skf21("6","7","1","1","7","6","4","1") = "6"
    & skf21("6","7","1","1","7","6","5","1") = "6"
    & skf21("6","7","1","1","7","6","6","1") = "6"
    & skf21("6","7","1","1","7","6","7","1") = "6"
    & skf21("6","7","1","1","7","7","1","1") = "6"
    & skf21("6","7","1","1","7","7","2","1") = "6"
    & skf21("6","7","1","1","7","7","3","1") = "6"
    & skf21("6","7","1","1","7","7","4","1") = "6"
    & skf21("6","7","1","1","7","7","5","1") = "6"
    & skf21("6","7","1","1","7","7","6","1") = "6"
    & skf21("6","7","1","1","7","7","7","1") = "6"
    & skf21("6","7","1","2","1","1","1","1") = "6"
    & skf21("6","7","1","2","1","1","2","1") = "6"
    & skf21("6","7","1","2","1","1","3","1") = "6"
    & skf21("6","7","1","2","1","1","4","1") = "6"
    & skf21("6","7","1","2","1","1","5","1") = "6"
    & skf21("6","7","1","2","1","1","6","1") = "6"
    & skf21("6","7","1","2","1","1","7","1") = "6"
    & skf21("6","7","1","2","1","2","1","1") = "6"
    & skf21("6","7","1","2","1","2","2","1") = "6"
    & skf21("6","7","1","2","1","2","3","1") = "6"
    & skf21("6","7","1","2","1","2","4","1") = "6"
    & skf21("6","7","1","2","1","2","5","1") = "6"
    & skf21("6","7","1","2","1","2","6","1") = "6"
    & skf21("6","7","1","2","1","2","7","1") = "6"
    & skf21("6","7","1","2","1","3","1","1") = "6"
    & skf21("6","7","1","2","1","3","2","1") = "6"
    & skf21("6","7","1","2","1","3","3","1") = "6"
    & skf21("6","7","1","2","1","3","4","1") = "6"
    & skf21("6","7","1","2","1","3","5","1") = "6"
    & skf21("6","7","1","2","1","3","6","1") = "6"
    & skf21("6","7","1","2","1","3","7","1") = "6"
    & skf21("6","7","1","2","1","4","1","1") = "6"
    & skf21("6","7","1","2","1","4","2","1") = "6"
    & skf21("6","7","1","2","1","4","3","1") = "6"
    & skf21("6","7","1","2","1","4","4","1") = "6"
    & skf21("6","7","1","2","1","4","5","1") = "6"
    & skf21("6","7","1","2","1","4","6","1") = "6"
    & skf21("6","7","1","2","1","4","7","1") = "6"
    & skf21("6","7","1","2","1","5","1","1") = "6"
    & skf21("6","7","1","2","1","5","2","1") = "6"
    & skf21("6","7","1","2","1","5","3","1") = "6"
    & skf21("6","7","1","2","1","5","4","1") = "6"
    & skf21("6","7","1","2","1","5","5","1") = "6"
    & skf21("6","7","1","2","1","5","6","1") = "6"
    & skf21("6","7","1","2","1","5","7","1") = "6"
    & skf21("6","7","1","2","1","6","1","1") = "6"
    & skf21("6","7","1","2","1","6","2","1") = "6"
    & skf21("6","7","1","2","1","6","3","1") = "6"
    & skf21("6","7","1","2","1","6","4","1") = "6"
    & skf21("6","7","1","2","1","6","5","1") = "6"
    & skf21("6","7","1","2","1","6","6","1") = "6"
    & skf21("6","7","1","2","1","6","7","1") = "6"
    & skf21("6","7","1","2","1","7","1","1") = "6"
    & skf21("6","7","1","2","1","7","2","1") = "6"
    & skf21("6","7","1","2","1","7","3","1") = "6"
    & skf21("6","7","1","2","1","7","4","1") = "6"
    & skf21("6","7","1","2","1","7","5","1") = "6"
    & skf21("6","7","1","2","1","7","6","1") = "6"
    & skf21("6","7","1","2","1","7","7","1") = "6"
    & skf21("6","7","1","2","2","1","1","1") = "6"
    & skf21("6","7","1","2","2","1","2","1") = "6"
    & skf21("6","7","1","2","2","1","3","1") = "6"
    & skf21("6","7","1","2","2","1","4","1") = "6"
    & skf21("6","7","1","2","2","1","5","1") = "6"
    & skf21("6","7","1","2","2","1","6","1") = "6"
    & skf21("6","7","1","2","2","1","7","1") = "6"
    & skf21("6","7","1","2","2","2","1","1") = "6"
    & skf21("6","7","1","2","2","2","2","1") = "6"
    & skf21("6","7","1","2","2","2","3","1") = "6"
    & skf21("6","7","1","2","2","2","4","1") = "6"
    & skf21("6","7","1","2","2","2","5","1") = "6"
    & skf21("6","7","1","2","2","2","6","1") = "6"
    & skf21("6","7","1","2","2","2","7","1") = "6"
    & skf21("6","7","1","2","2","3","1","1") = "6"
    & skf21("6","7","1","2","2","3","2","1") = "6"
    & skf21("6","7","1","2","2","3","3","1") = "6"
    & skf21("6","7","1","2","2","3","4","1") = "6"
    & skf21("6","7","1","2","2","3","5","1") = "6"
    & skf21("6","7","1","2","2","3","6","1") = "6"
    & skf21("6","7","1","2","2","3","7","1") = "6"
    & skf21("6","7","1","2","2","4","1","1") = "6"
    & skf21("6","7","1","2","2","4","2","1") = "6"
    & skf21("6","7","1","2","2","4","3","1") = "6"
    & skf21("6","7","1","2","2","4","4","1") = "6"
    & skf21("6","7","1","2","2","4","5","1") = "6"
    & skf21("6","7","1","2","2","4","6","1") = "6"
    & skf21("6","7","1","2","2","4","7","1") = "6"
    & skf21("6","7","1","2","2","5","1","1") = "6"
    & skf21("6","7","1","2","2","5","2","1") = "6"
    & skf21("6","7","1","2","2","5","3","1") = "6"
    & skf21("6","7","1","2","2","5","4","1") = "6"
    & skf21("6","7","1","2","2","5","5","1") = "6"
    & skf21("6","7","1","2","2","5","6","1") = "6"
    & skf21("6","7","1","2","2","5","7","1") = "6"
    & skf21("6","7","1","2","2","6","1","1") = "6"
    & skf21("6","7","1","2","2","6","2","1") = "6"
    & skf21("6","7","1","2","2","6","3","1") = "6"
    & skf21("6","7","1","2","2","6","4","1") = "6"
    & skf21("6","7","1","2","2","6","5","1") = "6"
    & skf21("6","7","1","2","2","6","6","1") = "6"
    & skf21("6","7","1","2","2","6","7","1") = "6"
    & skf21("6","7","1","2","2","7","1","1") = "6"
    & skf21("6","7","1","2","2","7","2","1") = "6"
    & skf21("6","7","1","2","2","7","3","1") = "6"
    & skf21("6","7","1","2","2","7","4","1") = "6"
    & skf21("6","7","1","2","2","7","5","1") = "6"
    & skf21("6","7","1","2","2","7","6","1") = "6"
    & skf21("6","7","1","2","2","7","7","1") = "6"
    & skf21("6","7","1","2","3","1","1","1") = "6"
    & skf21("6","7","1","2","3","1","2","1") = "6"
    & skf21("6","7","1","2","3","1","3","1") = "6"
    & skf21("6","7","1","2","3","1","4","1") = "6"
    & skf21("6","7","1","2","3","1","5","1") = "6"
    & skf21("6","7","1","2","3","1","6","1") = "6"
    & skf21("6","7","1","2","3","1","7","1") = "6"
    & skf21("6","7","1","2","3","2","1","1") = "6"
    & skf21("6","7","1","2","3","2","2","1") = "6"
    & skf21("6","7","1","2","3","2","3","1") = "6"
    & skf21("6","7","1","2","3","2","4","1") = "6"
    & skf21("6","7","1","2","3","2","5","1") = "6"
    & skf21("6","7","1","2","3","2","6","1") = "6"
    & skf21("6","7","1","2","3","2","7","1") = "6"
    & skf21("6","7","1","2","3","3","1","1") = "6"
    & skf21("6","7","1","2","3","3","2","1") = "6"
    & skf21("6","7","1","2","3","3","3","1") = "6"
    & skf21("6","7","1","2","3","3","4","1") = "6"
    & skf21("6","7","1","2","3","3","5","1") = "6"
    & skf21("6","7","1","2","3","3","6","1") = "6"
    & skf21("6","7","1","2","3","3","7","1") = "6"
    & skf21("6","7","1","2","3","4","1","1") = "6"
    & skf21("6","7","1","2","3","4","2","1") = "6"
    & skf21("6","7","1","2","3","4","3","1") = "6"
    & skf21("6","7","1","2","3","4","4","1") = "6"
    & skf21("6","7","1","2","3","4","5","1") = "6"
    & skf21("6","7","1","2","3","4","6","1") = "6"
    & skf21("6","7","1","2","3","4","7","1") = "6"
    & skf21("6","7","1","2","3","5","1","1") = "6"
    & skf21("6","7","1","2","3","5","2","1") = "6"
    & skf21("6","7","1","2","3","5","3","1") = "6"
    & skf21("6","7","1","2","3","5","4","1") = "6"
    & skf21("6","7","1","2","3","5","5","1") = "6"
    & skf21("6","7","1","2","3","5","6","1") = "6"
    & skf21("6","7","1","2","3","5","7","1") = "6"
    & skf21("6","7","1","2","3","6","1","1") = "6"
    & skf21("6","7","1","2","3","6","2","1") = "6"
    & skf21("6","7","1","2","3","6","3","1") = "6"
    & skf21("6","7","1","2","3","6","4","1") = "6"
    & skf21("6","7","1","2","3","6","5","1") = "6"
    & skf21("6","7","1","2","3","6","6","1") = "6"
    & skf21("6","7","1","2","3","6","7","1") = "6"
    & skf21("6","7","1","2","3","7","1","1") = "6"
    & skf21("6","7","1","2","3","7","2","1") = "6"
    & skf21("6","7","1","2","3","7","3","1") = "6"
    & skf21("6","7","1","2","3","7","4","1") = "6"
    & skf21("6","7","1","2","3","7","5","1") = "6"
    & skf21("6","7","1","2","3","7","6","1") = "6"
    & skf21("6","7","1","2","3","7","7","1") = "6"
    & skf21("6","7","1","2","4","1","1","1") = "6"
    & skf21("6","7","1","2","4","1","2","1") = "6"
    & skf21("6","7","1","2","4","1","3","1") = "6"
    & skf21("6","7","1","2","4","1","4","1") = "6"
    & skf21("6","7","1","2","4","1","5","1") = "6"
    & skf21("6","7","1","2","4","1","6","1") = "6"
    & skf21("6","7","1","2","4","1","7","1") = "6"
    & skf21("6","7","1","2","4","2","1","1") = "6"
    & skf21("6","7","1","2","4","2","2","1") = "6"
    & skf21("6","7","1","2","4","2","3","1") = "6"
    & skf21("6","7","1","2","4","2","4","1") = "6"
    & skf21("6","7","1","2","4","2","5","1") = "6"
    & skf21("6","7","1","2","4","2","6","1") = "6"
    & skf21("6","7","1","2","4","2","7","1") = "6"
    & skf21("6","7","1","2","4","3","1","1") = "6"
    & skf21("6","7","1","2","4","3","2","1") = "6"
    & skf21("6","7","1","2","4","3","3","1") = "6"
    & skf21("6","7","1","2","4","3","4","1") = "6"
    & skf21("6","7","1","2","4","3","5","1") = "6"
    & skf21("6","7","1","2","4","3","6","1") = "6"
    & skf21("6","7","1","2","4","3","7","1") = "6"
    & skf21("6","7","1","2","4","4","1","1") = "6"
    & skf21("6","7","1","2","4","4","2","1") = "6"
    & skf21("6","7","1","2","4","4","3","1") = "6"
    & skf21("6","7","1","2","4","4","4","1") = "6"
    & skf21("6","7","1","2","4","4","5","1") = "6"
    & skf21("6","7","1","2","4","4","6","1") = "6"
    & skf21("6","7","1","2","4","4","7","1") = "6"
    & skf21("6","7","1","2","4","5","1","1") = "6"
    & skf21("6","7","1","2","4","5","2","1") = "6"
    & skf21("6","7","1","2","4","5","3","1") = "6"
    & skf21("6","7","1","2","4","5","4","1") = "6"
    & skf21("6","7","1","2","4","5","5","1") = "6"
    & skf21("6","7","1","2","4","5","6","1") = "6"
    & skf21("6","7","1","2","4","5","7","1") = "6"
    & skf21("6","7","1","2","4","6","1","1") = "6"
    & skf21("6","7","1","2","4","6","2","1") = "6"
    & skf21("6","7","1","2","4","6","3","1") = "6"
    & skf21("6","7","1","2","4","6","4","1") = "6"
    & skf21("6","7","1","2","4","6","5","1") = "6"
    & skf21("6","7","1","2","4","6","6","1") = "6"
    & skf21("6","7","1","2","4","6","7","1") = "6"
    & skf21("6","7","1","2","4","7","1","1") = "6"
    & skf21("6","7","1","2","4","7","2","1") = "6"
    & skf21("6","7","1","2","4","7","3","1") = "6"
    & skf21("6","7","1","2","4","7","4","1") = "6"
    & skf21("6","7","1","2","4","7","5","1") = "6"
    & skf21("6","7","1","2","4","7","6","1") = "6"
    & skf21("6","7","1","2","4","7","7","1") = "6"
    & skf21("6","7","1","2","5","1","1","1") = "6"
    & skf21("6","7","1","2","5","1","2","1") = "6"
    & skf21("6","7","1","2","5","1","3","1") = "6"
    & skf21("6","7","1","2","5","1","4","1") = "6"
    & skf21("6","7","1","2","5","1","5","1") = "6"
    & skf21("6","7","1","2","5","1","6","1") = "6"
    & skf21("6","7","1","2","5","1","7","1") = "6"
    & skf21("6","7","1","2","5","2","1","1") = "6"
    & skf21("6","7","1","2","5","2","2","1") = "6"
    & skf21("6","7","1","2","5","2","3","1") = "6"
    & skf21("6","7","1","2","5","2","4","1") = "6"
    & skf21("6","7","1","2","5","2","5","1") = "6"
    & skf21("6","7","1","2","5","2","6","1") = "6"
    & skf21("6","7","1","2","5","2","7","1") = "6"
    & skf21("6","7","1","2","5","3","1","1") = "6"
    & skf21("6","7","1","2","5","3","2","1") = "6"
    & skf21("6","7","1","2","5","3","3","1") = "6"
    & skf21("6","7","1","2","5","3","4","1") = "6"
    & skf21("6","7","1","2","5","3","5","1") = "6"
    & skf21("6","7","1","2","5","3","6","1") = "6"
    & skf21("6","7","1","2","5","3","7","1") = "6"
    & skf21("6","7","1","2","5","4","1","1") = "6"
    & skf21("6","7","1","2","5","4","2","1") = "6"
    & skf21("6","7","1","2","5","4","3","1") = "6"
    & skf21("6","7","1","2","5","4","4","1") = "6"
    & skf21("6","7","1","2","5","4","5","1") = "6"
    & skf21("6","7","1","2","5","4","6","1") = "6"
    & skf21("6","7","1","2","5","4","7","1") = "6"
    & skf21("6","7","1","2","5","5","1","1") = "6"
    & skf21("6","7","1","2","5","5","2","1") = "6"
    & skf21("6","7","1","2","5","5","3","1") = "6"
    & skf21("6","7","1","2","5","5","4","1") = "6"
    & skf21("6","7","1","2","5","5","5","1") = "6"
    & skf21("6","7","1","2","5","5","6","1") = "6"
    & skf21("6","7","1","2","5","5","7","1") = "6"
    & skf21("6","7","1","2","5","6","1","1") = "6"
    & skf21("6","7","1","2","5","6","2","1") = "6"
    & skf21("6","7","1","2","5","6","3","1") = "6"
    & skf21("6","7","1","2","5","6","4","1") = "6"
    & skf21("6","7","1","2","5","6","5","1") = "6"
    & skf21("6","7","1","2","5","6","6","1") = "6"
    & skf21("6","7","1","2","5","6","7","1") = "6"
    & skf21("6","7","1","2","5","7","1","1") = "6"
    & skf21("6","7","1","2","5","7","2","1") = "6"
    & skf21("6","7","1","2","5","7","3","1") = "6"
    & skf21("6","7","1","2","5","7","4","1") = "6"
    & skf21("6","7","1","2","5","7","5","1") = "6"
    & skf21("6","7","1","2","5","7","6","1") = "6"
    & skf21("6","7","1","2","5","7","7","1") = "6"
    & skf21("6","7","1","2","6","1","1","1") = "6"
    & skf21("6","7","1","2","6","1","2","1") = "6"
    & skf21("6","7","1","2","6","1","3","1") = "6"
    & skf21("6","7","1","2","6","1","4","1") = "6"
    & skf21("6","7","1","2","6","1","5","1") = "6"
    & skf21("6","7","1","2","6","1","6","1") = "6"
    & skf21("6","7","1","2","6","1","7","1") = "6"
    & skf21("6","7","1","2","6","2","1","1") = "6"
    & skf21("6","7","1","2","6","2","2","1") = "6"
    & skf21("6","7","1","2","6","2","3","1") = "6"
    & skf21("6","7","1","2","6","2","4","1") = "6"
    & skf21("6","7","1","2","6","2","5","1") = "6"
    & skf21("6","7","1","2","6","2","6","1") = "6"
    & skf21("6","7","1","2","6","2","7","1") = "6"
    & skf21("6","7","1","2","6","3","1","1") = "6"
    & skf21("6","7","1","2","6","3","2","1") = "6"
    & skf21("6","7","1","2","6","3","3","1") = "6"
    & skf21("6","7","1","2","6","3","4","1") = "6"
    & skf21("6","7","1","2","6","3","5","1") = "6"
    & skf21("6","7","1","2","6","3","6","1") = "6"
    & skf21("6","7","1","2","6","3","7","1") = "6"
    & skf21("6","7","1","2","6","4","1","1") = "6"
    & skf21("6","7","1","2","6","4","2","1") = "6"
    & skf21("6","7","1","2","6","4","3","1") = "6"
    & skf21("6","7","1","2","6","4","4","1") = "6"
    & skf21("6","7","1","2","6","4","5","1") = "6"
    & skf21("6","7","1","2","6","4","6","1") = "6"
    & skf21("6","7","1","2","6","4","7","1") = "6"
    & skf21("6","7","1","2","6","5","1","1") = "6"
    & skf21("6","7","1","2","6","5","2","1") = "6"
    & skf21("6","7","1","2","6","5","3","1") = "6"
    & skf21("6","7","1","2","6","5","4","1") = "6"
    & skf21("6","7","1","2","6","5","5","1") = "6"
    & skf21("6","7","1","2","6","5","6","1") = "6"
    & skf21("6","7","1","2","6","5","7","1") = "6"
    & skf21("6","7","1","2","6","6","1","1") = "6"
    & skf21("6","7","1","2","6","6","2","1") = "6"
    & skf21("6","7","1","2","6","6","3","1") = "6"
    & skf21("6","7","1","2","6","6","4","1") = "6"
    & skf21("6","7","1","2","6","6","5","1") = "6"
    & skf21("6","7","1","2","6","6","6","1") = "6"
    & skf21("6","7","1","2","6","6","7","1") = "6"
    & skf21("6","7","1","2","6","7","1","1") = "6"
    & skf21("6","7","1","2","6","7","2","1") = "6"
    & skf21("6","7","1","2","6","7","3","1") = "6"
    & skf21("6","7","1","2","6","7","4","1") = "6"
    & skf21("6","7","1","2","6","7","5","1") = "6"
    & skf21("6","7","1","2","6","7","6","1") = "6"
    & skf21("6","7","1","2","6","7","7","1") = "6"
    & skf21("6","7","1","2","7","1","1","1") = "6"
    & skf21("6","7","1","2","7","1","2","1") = "6"
    & skf21("6","7","1","2","7","1","3","1") = "6"
    & skf21("6","7","1","2","7","1","4","1") = "6"
    & skf21("6","7","1","2","7","1","5","1") = "6"
    & skf21("6","7","1","2","7","1","6","1") = "6"
    & skf21("6","7","1","2","7","1","7","1") = "6"
    & skf21("6","7","1","2","7","2","1","1") = "6"
    & skf21("6","7","1","2","7","2","2","1") = "6"
    & skf21("6","7","1","2","7","2","3","1") = "6"
    & skf21("6","7","1","2","7","2","4","1") = "6"
    & skf21("6","7","1","2","7","2","5","1") = "6"
    & skf21("6","7","1","2","7","2","6","1") = "6"
    & skf21("6","7","1","2","7","2","7","1") = "6"
    & skf21("6","7","1","2","7","3","1","1") = "6"
    & skf21("6","7","1","2","7","3","2","1") = "6"
    & skf21("6","7","1","2","7","3","3","1") = "6"
    & skf21("6","7","1","2","7","3","4","1") = "6"
    & skf21("6","7","1","2","7","3","5","1") = "6"
    & skf21("6","7","1","2","7","3","6","1") = "6"
    & skf21("6","7","1","2","7","3","7","1") = "6"
    & skf21("6","7","1","2","7","4","1","1") = "6"
    & skf21("6","7","1","2","7","4","2","1") = "6"
    & skf21("6","7","1","2","7","4","3","1") = "6"
    & skf21("6","7","1","2","7","4","4","1") = "6"
    & skf21("6","7","1","2","7","4","5","1") = "6"
    & skf21("6","7","1","2","7","4","6","1") = "6"
    & skf21("6","7","1","2","7","4","7","1") = "6"
    & skf21("6","7","1","2","7","5","1","1") = "6"
    & skf21("6","7","1","2","7","5","2","1") = "6"
    & skf21("6","7","1","2","7","5","3","1") = "6"
    & skf21("6","7","1","2","7","5","4","1") = "6"
    & skf21("6","7","1","2","7","5","5","1") = "6"
    & skf21("6","7","1","2","7","5","6","1") = "6"
    & skf21("6","7","1","2","7","5","7","1") = "6"
    & skf21("6","7","1","2","7","6","1","1") = "6"
    & skf21("6","7","1","2","7","6","2","1") = "6"
    & skf21("6","7","1","2","7","6","3","1") = "6"
    & skf21("6","7","1","2","7","6","4","1") = "6"
    & skf21("6","7","1","2","7","6","5","1") = "6"
    & skf21("6","7","1","2","7","6","6","1") = "6"
    & skf21("6","7","1","2","7","6","7","1") = "6"
    & skf21("6","7","1","2","7","7","1","1") = "6"
    & skf21("6","7","1","2","7","7","2","1") = "6"
    & skf21("6","7","1","2","7","7","3","1") = "6"
    & skf21("6","7","1","2","7","7","4","1") = "6"
    & skf21("6","7","1","2","7","7","5","1") = "6"
    & skf21("6","7","1","2","7","7","6","1") = "6"
    & skf21("6","7","1","2","7","7","7","1") = "6"
    & skf21("6","7","1","3","1","1","1","1") = "6"
    & skf21("6","7","1","3","1","1","2","1") = "6"
    & skf21("6","7","1","3","1","1","3","1") = "6"
    & skf21("6","7","1","3","1","1","4","1") = "6"
    & skf21("6","7","1","3","1","1","5","1") = "6"
    & skf21("6","7","1","3","1","1","6","1") = "6"
    & skf21("6","7","1","3","1","1","7","1") = "6"
    & skf21("6","7","1","3","1","2","1","1") = "6"
    & skf21("6","7","1","3","1","2","2","1") = "6"
    & skf21("6","7","1","3","1","2","3","1") = "6"
    & skf21("6","7","1","3","1","2","4","1") = "6"
    & skf21("6","7","1","3","1","2","5","1") = "6"
    & skf21("6","7","1","3","1","2","6","1") = "6"
    & skf21("6","7","1","3","1","2","7","1") = "6"
    & skf21("6","7","1","3","1","3","1","1") = "6"
    & skf21("6","7","1","3","1","3","2","1") = "6"
    & skf21("6","7","1","3","1","3","3","1") = "6"
    & skf21("6","7","1","3","1","3","4","1") = "6"
    & skf21("6","7","1","3","1","3","5","1") = "6"
    & skf21("6","7","1","3","1","3","6","1") = "6"
    & skf21("6","7","1","3","1","3","7","1") = "6"
    & skf21("6","7","1","3","1","4","1","1") = "6"
    & skf21("6","7","1","3","1","4","2","1") = "6"
    & skf21("6","7","1","3","1","4","3","1") = "6"
    & skf21("6","7","1","3","1","4","4","1") = "6"
    & skf21("6","7","1","3","1","4","5","1") = "6"
    & skf21("6","7","1","3","1","4","6","1") = "6"
    & skf21("6","7","1","3","1","4","7","1") = "6"
    & skf21("6","7","1","3","1","5","1","1") = "6"
    & skf21("6","7","1","3","1","5","2","1") = "6"
    & skf21("6","7","1","3","1","5","3","1") = "6"
    & skf21("6","7","1","3","1","5","4","1") = "6"
    & skf21("6","7","1","3","1","5","5","1") = "6"
    & skf21("6","7","1","3","1","5","6","1") = "6"
    & skf21("6","7","1","3","1","5","7","1") = "6"
    & skf21("6","7","1","3","1","6","1","1") = "6"
    & skf21("6","7","1","3","1","6","2","1") = "6"
    & skf21("6","7","1","3","1","6","3","1") = "6"
    & skf21("6","7","1","3","1","6","4","1") = "6"
    & skf21("6","7","1","3","1","6","5","1") = "6"
    & skf21("6","7","1","3","1","6","6","1") = "6"
    & skf21("6","7","1","3","1","6","7","1") = "6"
    & skf21("6","7","1","3","1","7","1","1") = "6"
    & skf21("6","7","1","3","1","7","2","1") = "6"
    & skf21("6","7","1","3","1","7","3","1") = "6"
    & skf21("6","7","1","3","1","7","4","1") = "6"
    & skf21("6","7","1","3","1","7","5","1") = "6"
    & skf21("6","7","1","3","1","7","6","1") = "6"
    & skf21("6","7","1","3","1","7","7","1") = "6"
    & skf21("6","7","1","3","2","1","1","1") = "6"
    & skf21("6","7","1","3","2","1","2","1") = "6"
    & skf21("6","7","1","3","2","1","3","1") = "6"
    & skf21("6","7","1","3","2","1","4","1") = "6"
    & skf21("6","7","1","3","2","1","5","1") = "6"
    & skf21("6","7","1","3","2","1","6","1") = "6"
    & skf21("6","7","1","3","2","1","7","1") = "6"
    & skf21("6","7","1","3","2","2","1","1") = "6"
    & skf21("6","7","1","3","2","2","2","1") = "6"
    & skf21("6","7","1","3","2","2","3","1") = "6"
    & skf21("6","7","1","3","2","2","4","1") = "6"
    & skf21("6","7","1","3","2","2","5","1") = "6"
    & skf21("6","7","1","3","2","2","6","1") = "6"
    & skf21("6","7","1","3","2","2","7","1") = "6"
    & skf21("6","7","1","3","2","3","1","1") = "6"
    & skf21("6","7","1","3","2","3","2","1") = "6"
    & skf21("6","7","1","3","2","3","3","1") = "6"
    & skf21("6","7","1","3","2","3","4","1") = "6"
    & skf21("6","7","1","3","2","3","5","1") = "6"
    & skf21("6","7","1","3","2","3","6","1") = "6"
    & skf21("6","7","1","3","2","3","7","1") = "6"
    & skf21("6","7","1","3","2","4","1","1") = "6"
    & skf21("6","7","1","3","2","4","2","1") = "6"
    & skf21("6","7","1","3","2","4","3","1") = "6"
    & skf21("6","7","1","3","2","4","4","1") = "6"
    & skf21("6","7","1","3","2","4","5","1") = "6"
    & skf21("6","7","1","3","2","4","6","1") = "6"
    & skf21("6","7","1","3","2","4","7","1") = "6"
    & skf21("6","7","1","3","2","5","1","1") = "6"
    & skf21("6","7","1","3","2","5","2","1") = "6"
    & skf21("6","7","1","3","2","5","3","1") = "6"
    & skf21("6","7","1","3","2","5","4","1") = "6"
    & skf21("6","7","1","3","2","5","5","1") = "6"
    & skf21("6","7","1","3","2","5","6","1") = "6"
    & skf21("6","7","1","3","2","5","7","1") = "6"
    & skf21("6","7","1","3","2","6","1","1") = "6"
    & skf21("6","7","1","3","2","6","2","1") = "6"
    & skf21("6","7","1","3","2","6","3","1") = "6"
    & skf21("6","7","1","3","2","6","4","1") = "6"
    & skf21("6","7","1","3","2","6","5","1") = "6"
    & skf21("6","7","1","3","2","6","6","1") = "6"
    & skf21("6","7","1","3","2","6","7","1") = "6"
    & skf21("6","7","1","3","2","7","1","1") = "6"
    & skf21("6","7","1","3","2","7","2","1") = "6"
    & skf21("6","7","1","3","2","7","3","1") = "6"
    & skf21("6","7","1","3","2","7","4","1") = "6"
    & skf21("6","7","1","3","2","7","5","1") = "6"
    & skf21("6","7","1","3","2","7","6","1") = "6"
    & skf21("6","7","1","3","2","7","7","1") = "6"
    & skf21("6","7","1","3","3","1","1","1") = "6"
    & skf21("6","7","1","3","3","1","2","1") = "6"
    & skf21("6","7","1","3","3","1","3","1") = "6"
    & skf21("6","7","1","3","3","1","4","1") = "6"
    & skf21("6","7","1","3","3","1","5","1") = "6"
    & skf21("6","7","1","3","3","1","6","1") = "6"
    & skf21("6","7","1","3","3","1","7","1") = "6"
    & skf21("6","7","1","3","3","2","1","1") = "6"
    & skf21("6","7","1","3","3","2","2","1") = "6"
    & skf21("6","7","1","3","3","2","3","1") = "6"
    & skf21("6","7","1","3","3","2","4","1") = "6"
    & skf21("6","7","1","3","3","2","5","1") = "6"
    & skf21("6","7","1","3","3","2","6","1") = "6"
    & skf21("6","7","1","3","3","2","7","1") = "6"
    & skf21("6","7","1","3","3","3","1","1") = "6"
    & skf21("6","7","1","3","3","3","2","1") = "6"
    & skf21("6","7","1","3","3","3","3","1") = "6"
    & skf21("6","7","1","3","3","3","4","1") = "6"
    & skf21("6","7","1","3","3","3","5","1") = "6"
    & skf21("6","7","1","3","3","3","6","1") = "6"
    & skf21("6","7","1","3","3","3","7","1") = "6"
    & skf21("6","7","1","3","3","4","1","1") = "6"
    & skf21("6","7","1","3","3","4","2","1") = "6"
    & skf21("6","7","1","3","3","4","3","1") = "6"
    & skf21("6","7","1","3","3","4","4","1") = "6"
    & skf21("6","7","1","3","3","4","5","1") = "6"
    & skf21("6","7","1","3","3","4","6","1") = "6"
    & skf21("6","7","1","3","3","4","7","1") = "6"
    & skf21("6","7","1","3","3","5","1","1") = "6"
    & skf21("6","7","1","3","3","5","2","1") = "6"
    & skf21("6","7","1","3","3","5","3","1") = "6"
    & skf21("6","7","1","3","3","5","4","1") = "6"
    & skf21("6","7","1","3","3","5","5","1") = "6"
    & skf21("6","7","1","3","3","5","6","1") = "6"
    & skf21("6","7","1","3","3","5","7","1") = "6"
    & skf21("6","7","1","3","3","6","1","1") = "6"
    & skf21("6","7","1","3","3","6","2","1") = "6"
    & skf21("6","7","1","3","3","6","3","1") = "6"
    & skf21("6","7","1","3","3","6","4","1") = "6"
    & skf21("6","7","1","3","3","6","5","1") = "6"
    & skf21("6","7","1","3","3","6","6","1") = "6"
    & skf21("6","7","1","3","3","6","7","1") = "6"
    & skf21("6","7","1","3","3","7","1","1") = "6"
    & skf21("6","7","1","3","3","7","2","1") = "6"
    & skf21("6","7","1","3","3","7","3","1") = "6"
    & skf21("6","7","1","3","3","7","4","1") = "6"
    & skf21("6","7","1","3","3","7","5","1") = "6"
    & skf21("6","7","1","3","3","7","6","1") = "6"
    & skf21("6","7","1","3","3","7","7","1") = "6"
    & skf21("6","7","1","3","4","1","1","1") = "6"
    & skf21("6","7","1","3","4","1","2","1") = "6"
    & skf21("6","7","1","3","4","1","3","1") = "6"
    & skf21("6","7","1","3","4","1","4","1") = "6"
    & skf21("6","7","1","3","4","1","5","1") = "6"
    & skf21("6","7","1","3","4","1","6","1") = "6"
    & skf21("6","7","1","3","4","1","7","1") = "6"
    & skf21("6","7","1","3","4","2","1","1") = "6"
    & skf21("6","7","1","3","4","2","2","1") = "6"
    & skf21("6","7","1","3","4","2","3","1") = "6"
    & skf21("6","7","1","3","4","2","4","1") = "6"
    & skf21("6","7","1","3","4","2","5","1") = "6"
    & skf21("6","7","1","3","4","2","6","1") = "6"
    & skf21("6","7","1","3","4","2","7","1") = "6"
    & skf21("6","7","1","3","4","3","1","1") = "6"
    & skf21("6","7","1","3","4","3","2","1") = "6"
    & skf21("6","7","1","3","4","3","3","1") = "6"
    & skf21("6","7","1","3","4","3","4","1") = "6"
    & skf21("6","7","1","3","4","3","5","1") = "6"
    & skf21("6","7","1","3","4","3","6","1") = "6"
    & skf21("6","7","1","3","4","3","7","1") = "6"
    & skf21("6","7","1","3","4","4","1","1") = "6"
    & skf21("6","7","1","3","4","4","2","1") = "6"
    & skf21("6","7","1","3","4","4","3","1") = "6"
    & skf21("6","7","1","3","4","4","4","1") = "6"
    & skf21("6","7","1","3","4","4","5","1") = "6"
    & skf21("6","7","1","3","4","4","6","1") = "6"
    & skf21("6","7","1","3","4","4","7","1") = "6"
    & skf21("6","7","1","3","4","5","1","1") = "6"
    & skf21("6","7","1","3","4","5","2","1") = "6"
    & skf21("6","7","1","3","4","5","3","1") = "6"
    & skf21("6","7","1","3","4","5","4","1") = "6"
    & skf21("6","7","1","3","4","5","5","1") = "6"
    & skf21("6","7","1","3","4","5","6","1") = "6"
    & skf21("6","7","1","3","4","5","7","1") = "6"
    & skf21("6","7","1","3","4","6","1","1") = "6"
    & skf21("6","7","1","3","4","6","2","1") = "6"
    & skf21("6","7","1","3","4","6","3","1") = "6"
    & skf21("6","7","1","3","4","6","4","1") = "6"
    & skf21("6","7","1","3","4","6","5","1") = "6"
    & skf21("6","7","1","3","4","6","6","1") = "6"
    & skf21("6","7","1","3","4","6","7","1") = "6"
    & skf21("6","7","1","3","4","7","1","1") = "6"
    & skf21("6","7","1","3","4","7","2","1") = "6"
    & skf21("6","7","1","3","4","7","3","1") = "6"
    & skf21("6","7","1","3","4","7","4","1") = "6"
    & skf21("6","7","1","3","4","7","5","1") = "6"
    & skf21("6","7","1","3","4","7","6","1") = "6"
    & skf21("6","7","1","3","4","7","7","1") = "6"
    & skf21("6","7","1","3","5","1","1","1") = "6"
    & skf21("6","7","1","3","5","1","2","1") = "6"
    & skf21("6","7","1","3","5","1","3","1") = "6"
    & skf21("6","7","1","3","5","1","4","1") = "6"
    & skf21("6","7","1","3","5","1","5","1") = "6"
    & skf21("6","7","1","3","5","1","6","1") = "6"
    & skf21("6","7","1","3","5","1","7","1") = "6"
    & skf21("6","7","1","3","5","2","1","1") = "6"
    & skf21("6","7","1","3","5","2","2","1") = "6"
    & skf21("6","7","1","3","5","2","3","1") = "6"
    & skf21("6","7","1","3","5","2","4","1") = "6"
    & skf21("6","7","1","3","5","2","5","1") = "6"
    & skf21("6","7","1","3","5","2","6","1") = "6"
    & skf21("6","7","1","3","5","2","7","1") = "6"
    & skf21("6","7","1","3","5","3","1","1") = "6"
    & skf21("6","7","1","3","5","3","2","1") = "6"
    & skf21("6","7","1","3","5","3","3","1") = "6"
    & skf21("6","7","1","3","5","3","4","1") = "6"
    & skf21("6","7","1","3","5","3","5","1") = "6"
    & skf21("6","7","1","3","5","3","6","1") = "6"
    & skf21("6","7","1","3","5","3","7","1") = "6"
    & skf21("6","7","1","3","5","4","1","1") = "6"
    & skf21("6","7","1","3","5","4","2","1") = "6"
    & skf21("6","7","1","3","5","4","3","1") = "6"
    & skf21("6","7","1","3","5","4","4","1") = "6"
    & skf21("6","7","1","3","5","4","5","1") = "6"
    & skf21("6","7","1","3","5","4","6","1") = "6"
    & skf21("6","7","1","3","5","4","7","1") = "6"
    & skf21("6","7","1","3","5","5","1","1") = "6"
    & skf21("6","7","1","3","5","5","2","1") = "6"
    & skf21("6","7","1","3","5","5","3","1") = "6"
    & skf21("6","7","1","3","5","5","4","1") = "6"
    & skf21("6","7","1","3","5","5","5","1") = "6"
    & skf21("6","7","1","3","5","5","6","1") = "6"
    & skf21("6","7","1","3","5","5","7","1") = "6"
    & skf21("6","7","1","3","5","6","1","1") = "6"
    & skf21("6","7","1","3","5","6","2","1") = "6"
    & skf21("6","7","1","3","5","6","3","1") = "6"
    & skf21("6","7","1","3","5","6","4","1") = "6"
    & skf21("6","7","1","3","5","6","5","1") = "6"
    & skf21("6","7","1","3","5","6","6","1") = "6"
    & skf21("6","7","1","3","5","6","7","1") = "6"
    & skf21("6","7","1","3","5","7","1","1") = "6"
    & skf21("6","7","1","3","5","7","2","1") = "6"
    & skf21("6","7","1","3","5","7","3","1") = "6"
    & skf21("6","7","1","3","5","7","4","1") = "6"
    & skf21("6","7","1","3","5","7","5","1") = "6"
    & skf21("6","7","1","3","5","7","6","1") = "6"
    & skf21("6","7","1","3","5","7","7","1") = "6"
    & skf21("6","7","1","3","6","1","1","1") = "6"
    & skf21("6","7","1","3","6","1","2","1") = "6"
    & skf21("6","7","1","3","6","1","3","1") = "6"
    & skf21("6","7","1","3","6","1","4","1") = "6"
    & skf21("6","7","1","3","6","1","5","1") = "6"
    & skf21("6","7","1","3","6","1","6","1") = "6"
    & skf21("6","7","1","3","6","1","7","1") = "6"
    & skf21("6","7","1","3","6","2","1","1") = "6"
    & skf21("6","7","1","3","6","2","2","1") = "6"
    & skf21("6","7","1","3","6","2","3","1") = "6"
    & skf21("6","7","1","3","6","2","4","1") = "6"
    & skf21("6","7","1","3","6","2","5","1") = "6"
    & skf21("6","7","1","3","6","2","6","1") = "6"
    & skf21("6","7","1","3","6","2","7","1") = "6"
    & skf21("6","7","1","3","6","3","1","1") = "6"
    & skf21("6","7","1","3","6","3","2","1") = "6"
    & skf21("6","7","1","3","6","3","3","1") = "6"
    & skf21("6","7","1","3","6","3","4","1") = "6"
    & skf21("6","7","1","3","6","3","5","1") = "6"
    & skf21("6","7","1","3","6","3","6","1") = "6"
    & skf21("6","7","1","3","6","3","7","1") = "6"
    & skf21("6","7","1","3","6","4","1","1") = "6"
    & skf21("6","7","1","3","6","4","2","1") = "6"
    & skf21("6","7","1","3","6","4","3","1") = "6"
    & skf21("6","7","1","3","6","4","4","1") = "6"
    & skf21("6","7","1","3","6","4","5","1") = "6"
    & skf21("6","7","1","3","6","4","6","1") = "6"
    & skf21("6","7","1","3","6","4","7","1") = "6"
    & skf21("6","7","1","3","6","5","1","1") = "6"
    & skf21("6","7","1","3","6","5","2","1") = "6"
    & skf21("6","7","1","3","6","5","3","1") = "6"
    & skf21("6","7","1","3","6","5","4","1") = "6"
    & skf21("6","7","1","3","6","5","5","1") = "6"
    & skf21("6","7","1","3","6","5","6","1") = "6"
    & skf21("6","7","1","3","6","5","7","1") = "6"
    & skf21("6","7","1","3","6","6","1","1") = "6"
    & skf21("6","7","1","3","6","6","2","1") = "6"
    & skf21("6","7","1","3","6","6","3","1") = "6"
    & skf21("6","7","1","3","6","6","4","1") = "6"
    & skf21("6","7","1","3","6","6","5","1") = "6"
    & skf21("6","7","1","3","6","6","6","1") = "6"
    & skf21("6","7","1","3","6","6","7","1") = "6"
    & skf21("6","7","1","3","6","7","1","1") = "6"
    & skf21("6","7","1","3","6","7","2","1") = "6"
    & skf21("6","7","1","3","6","7","3","1") = "6"
    & skf21("6","7","1","3","6","7","4","1") = "6"
    & skf21("6","7","1","3","6","7","5","1") = "6"
    & skf21("6","7","1","3","6","7","6","1") = "6"
    & skf21("6","7","1","3","6","7","7","1") = "6"
    & skf21("6","7","1","3","7","1","1","1") = "6"
    & skf21("6","7","1","3","7","1","2","1") = "6"
    & skf21("6","7","1","3","7","1","3","1") = "6"
    & skf21("6","7","1","3","7","1","4","1") = "6"
    & skf21("6","7","1","3","7","1","5","1") = "6"
    & skf21("6","7","1","3","7","1","6","1") = "6"
    & skf21("6","7","1","3","7","1","7","1") = "6"
    & skf21("6","7","1","3","7","2","1","1") = "6"
    & skf21("6","7","1","3","7","2","2","1") = "6"
    & skf21("6","7","1","3","7","2","3","1") = "6"
    & skf21("6","7","1","3","7","2","4","1") = "6"
    & skf21("6","7","1","3","7","2","5","1") = "6"
    & skf21("6","7","1","3","7","2","6","1") = "6"
    & skf21("6","7","1","3","7","2","7","1") = "6"
    & skf21("6","7","1","3","7","3","1","1") = "6"
    & skf21("6","7","1","3","7","3","2","1") = "6"
    & skf21("6","7","1","3","7","3","3","1") = "6"
    & skf21("6","7","1","3","7","3","4","1") = "6"
    & skf21("6","7","1","3","7","3","5","1") = "6"
    & skf21("6","7","1","3","7","3","6","1") = "6"
    & skf21("6","7","1","3","7","3","7","1") = "6"
    & skf21("6","7","1","3","7","4","1","1") = "6"
    & skf21("6","7","1","3","7","4","2","1") = "6"
    & skf21("6","7","1","3","7","4","3","1") = "6"
    & skf21("6","7","1","3","7","4","4","1") = "6"
    & skf21("6","7","1","3","7","4","5","1") = "6"
    & skf21("6","7","1","3","7","4","6","1") = "6"
    & skf21("6","7","1","3","7","4","7","1") = "6"
    & skf21("6","7","1","3","7","5","1","1") = "6"
    & skf21("6","7","1","3","7","5","2","1") = "6"
    & skf21("6","7","1","3","7","5","3","1") = "6"
    & skf21("6","7","1","3","7","5","4","1") = "6"
    & skf21("6","7","1","3","7","5","5","1") = "6"
    & skf21("6","7","1","3","7","5","6","1") = "6"
    & skf21("6","7","1","3","7","5","7","1") = "6"
    & skf21("6","7","1","3","7","6","1","1") = "6"
    & skf21("6","7","1","3","7","6","2","1") = "6"
    & skf21("6","7","1","3","7","6","3","1") = "6"
    & skf21("6","7","1","3","7","6","4","1") = "6"
    & skf21("6","7","1","3","7","6","5","1") = "6"
    & skf21("6","7","1","3","7","6","6","1") = "6"
    & skf21("6","7","1","3","7","6","7","1") = "6"
    & skf21("6","7","1","3","7","7","1","1") = "6"
    & skf21("6","7","1","3","7","7","2","1") = "6"
    & skf21("6","7","1","3","7","7","3","1") = "6"
    & skf21("6","7","1","3","7","7","4","1") = "6"
    & skf21("6","7","1","3","7","7","5","1") = "6"
    & skf21("6","7","1","3","7","7","6","1") = "6"
    & skf21("6","7","1","3","7","7","7","1") = "6"
    & skf21("6","7","1","4","1","1","1","1") = "6"
    & skf21("6","7","1","4","1","1","2","1") = "6"
    & skf21("6","7","1","4","1","1","3","1") = "6"
    & skf21("6","7","1","4","1","1","4","1") = "6"
    & skf21("6","7","1","4","1","1","5","1") = "6"
    & skf21("6","7","1","4","1","1","6","1") = "6"
    & skf21("6","7","1","4","1","1","7","1") = "6"
    & skf21("6","7","1","4","1","2","1","1") = "6"
    & skf21("6","7","1","4","1","2","2","1") = "6"
    & skf21("6","7","1","4","1","2","3","1") = "6"
    & skf21("6","7","1","4","1","2","4","1") = "6"
    & skf21("6","7","1","4","1","2","5","1") = "6"
    & skf21("6","7","1","4","1","2","6","1") = "6"
    & skf21("6","7","1","4","1","2","7","1") = "6"
    & skf21("6","7","1","4","1","3","1","1") = "6"
    & skf21("6","7","1","4","1","3","2","1") = "6"
    & skf21("6","7","1","4","1","3","3","1") = "6"
    & skf21("6","7","1","4","1","3","4","1") = "6"
    & skf21("6","7","1","4","1","3","5","1") = "6"
    & skf21("6","7","1","4","1","3","6","1") = "6"
    & skf21("6","7","1","4","1","3","7","1") = "6"
    & skf21("6","7","1","4","1","4","1","1") = "6"
    & skf21("6","7","1","4","1","4","2","1") = "6"
    & skf21("6","7","1","4","1","4","3","1") = "6"
    & skf21("6","7","1","4","1","4","4","1") = "6"
    & skf21("6","7","1","4","1","4","5","1") = "6"
    & skf21("6","7","1","4","1","4","6","1") = "6"
    & skf21("6","7","1","4","1","4","7","1") = "6"
    & skf21("6","7","1","4","1","5","1","1") = "6"
    & skf21("6","7","1","4","1","5","2","1") = "6"
    & skf21("6","7","1","4","1","5","3","1") = "6"
    & skf21("6","7","1","4","1","5","4","1") = "6"
    & skf21("6","7","1","4","1","5","5","1") = "6"
    & skf21("6","7","1","4","1","5","6","1") = "6"
    & skf21("6","7","1","4","1","5","7","1") = "6"
    & skf21("6","7","1","4","1","6","1","1") = "6"
    & skf21("6","7","1","4","1","6","2","1") = "6"
    & skf21("6","7","1","4","1","6","3","1") = "6"
    & skf21("6","7","1","4","1","6","4","1") = "6"
    & skf21("6","7","1","4","1","6","5","1") = "6"
    & skf21("6","7","1","4","1","6","6","1") = "6"
    & skf21("6","7","1","4","1","6","7","1") = "6"
    & skf21("6","7","1","4","1","7","1","1") = "6"
    & skf21("6","7","1","4","1","7","2","1") = "6"
    & skf21("6","7","1","4","1","7","3","1") = "6"
    & skf21("6","7","1","4","1","7","4","1") = "6"
    & skf21("6","7","1","4","1","7","5","1") = "6"
    & skf21("6","7","1","4","1","7","6","1") = "6"
    & skf21("6","7","1","4","1","7","7","1") = "6"
    & skf21("6","7","1","4","2","1","1","1") = "6"
    & skf21("6","7","1","4","2","1","2","1") = "6"
    & skf21("6","7","1","4","2","1","3","1") = "6"
    & skf21("6","7","1","4","2","1","4","1") = "6"
    & skf21("6","7","1","4","2","1","5","1") = "6"
    & skf21("6","7","1","4","2","1","6","1") = "6"
    & skf21("6","7","1","4","2","1","7","1") = "6"
    & skf21("6","7","1","4","2","2","1","1") = "6"
    & skf21("6","7","1","4","2","2","2","1") = "6"
    & skf21("6","7","1","4","2","2","3","1") = "6"
    & skf21("6","7","1","4","2","2","4","1") = "6"
    & skf21("6","7","1","4","2","2","5","1") = "6"
    & skf21("6","7","1","4","2","2","6","1") = "6"
    & skf21("6","7","1","4","2","2","7","1") = "6"
    & skf21("6","7","1","4","2","3","1","1") = "6"
    & skf21("6","7","1","4","2","3","2","1") = "6"
    & skf21("6","7","1","4","2","3","3","1") = "6"
    & skf21("6","7","1","4","2","3","4","1") = "6"
    & skf21("6","7","1","4","2","3","5","1") = "6"
    & skf21("6","7","1","4","2","3","6","1") = "6"
    & skf21("6","7","1","4","2","3","7","1") = "6"
    & skf21("6","7","1","4","2","4","1","1") = "6"
    & skf21("6","7","1","4","2","4","2","1") = "6"
    & skf21("6","7","1","4","2","4","3","1") = "6"
    & skf21("6","7","1","4","2","4","4","1") = "6"
    & skf21("6","7","1","4","2","4","5","1") = "6"
    & skf21("6","7","1","4","2","4","6","1") = "6"
    & skf21("6","7","1","4","2","4","7","1") = "6"
    & skf21("6","7","1","4","2","5","1","1") = "6"
    & skf21("6","7","1","4","2","5","2","1") = "6"
    & skf21("6","7","1","4","2","5","3","1") = "6"
    & skf21("6","7","1","4","2","5","4","1") = "6"
    & skf21("6","7","1","4","2","5","5","1") = "6"
    & skf21("6","7","1","4","2","5","6","1") = "6"
    & skf21("6","7","1","4","2","5","7","1") = "6"
    & skf21("6","7","1","4","2","6","1","1") = "6"
    & skf21("6","7","1","4","2","6","2","1") = "6"
    & skf21("6","7","1","4","2","6","3","1") = "6"
    & skf21("6","7","1","4","2","6","4","1") = "6"
    & skf21("6","7","1","4","2","6","5","1") = "6"
    & skf21("6","7","1","4","2","6","6","1") = "6"
    & skf21("6","7","1","4","2","6","7","1") = "6"
    & skf21("6","7","1","4","2","7","1","1") = "6"
    & skf21("6","7","1","4","2","7","2","1") = "6"
    & skf21("6","7","1","4","2","7","3","1") = "6"
    & skf21("6","7","1","4","2","7","4","1") = "6"
    & skf21("6","7","1","4","2","7","5","1") = "6"
    & skf21("6","7","1","4","2","7","6","1") = "6"
    & skf21("6","7","1","4","2","7","7","1") = "6"
    & skf21("6","7","1","4","3","1","1","1") = "6"
    & skf21("6","7","1","4","3","1","2","1") = "6"
    & skf21("6","7","1","4","3","1","3","1") = "6"
    & skf21("6","7","1","4","3","1","4","1") = "6"
    & skf21("6","7","1","4","3","1","5","1") = "6"
    & skf21("6","7","1","4","3","1","6","1") = "6"
    & skf21("6","7","1","4","3","1","7","1") = "6"
    & skf21("6","7","1","4","3","2","1","1") = "6"
    & skf21("6","7","1","4","3","2","2","1") = "6"
    & skf21("6","7","1","4","3","2","3","1") = "6"
    & skf21("6","7","1","4","3","2","4","1") = "6"
    & skf21("6","7","1","4","3","2","5","1") = "6"
    & skf21("6","7","1","4","3","2","6","1") = "6"
    & skf21("6","7","1","4","3","2","7","1") = "6"
    & skf21("6","7","1","4","3","3","1","1") = "6"
    & skf21("6","7","1","4","3","3","2","1") = "6"
    & skf21("6","7","1","4","3","3","3","1") = "6"
    & skf21("6","7","1","4","3","3","4","1") = "6"
    & skf21("6","7","1","4","3","3","5","1") = "6"
    & skf21("6","7","1","4","3","3","6","1") = "6"
    & skf21("6","7","1","4","3","3","7","1") = "6"
    & skf21("6","7","1","4","3","4","1","1") = "6"
    & skf21("6","7","1","4","3","4","2","1") = "6"
    & skf21("6","7","1","4","3","4","3","1") = "6"
    & skf21("6","7","1","4","3","4","4","1") = "6"
    & skf21("6","7","1","4","3","4","5","1") = "6"
    & skf21("6","7","1","4","3","4","6","1") = "6"
    & skf21("6","7","1","4","3","4","7","1") = "6"
    & skf21("6","7","1","4","3","5","1","1") = "6"
    & skf21("6","7","1","4","3","5","2","1") = "6"
    & skf21("6","7","1","4","3","5","3","1") = "6"
    & skf21("6","7","1","4","3","5","4","1") = "6"
    & skf21("6","7","1","4","3","5","5","1") = "6"
    & skf21("6","7","1","4","3","5","6","1") = "6"
    & skf21("6","7","1","4","3","5","7","1") = "6"
    & skf21("6","7","1","4","3","6","1","1") = "6"
    & skf21("6","7","1","4","3","6","2","1") = "6"
    & skf21("6","7","1","4","3","6","3","1") = "6"
    & skf21("6","7","1","4","3","6","4","1") = "6"
    & skf21("6","7","1","4","3","6","5","1") = "6"
    & skf21("6","7","1","4","3","6","6","1") = "6"
    & skf21("6","7","1","4","3","6","7","1") = "6"
    & skf21("6","7","1","4","3","7","1","1") = "6"
    & skf21("6","7","1","4","3","7","2","1") = "6"
    & skf21("6","7","1","4","3","7","3","1") = "6"
    & skf21("6","7","1","4","3","7","4","1") = "6"
    & skf21("6","7","1","4","3","7","5","1") = "6"
    & skf21("6","7","1","4","3","7","6","1") = "6"
    & skf21("6","7","1","4","3","7","7","1") = "6"
    & skf21("6","7","1","4","4","1","1","1") = "6"
    & skf21("6","7","1","4","4","1","2","1") = "6"
    & skf21("6","7","1","4","4","1","3","1") = "6"
    & skf21("6","7","1","4","4","1","4","1") = "6"
    & skf21("6","7","1","4","4","1","5","1") = "6"
    & skf21("6","7","1","4","4","1","6","1") = "6"
    & skf21("6","7","1","4","4","1","7","1") = "6"
    & skf21("6","7","1","4","4","2","1","1") = "6"
    & skf21("6","7","1","4","4","2","2","1") = "6"
    & skf21("6","7","1","4","4","2","3","1") = "6"
    & skf21("6","7","1","4","4","2","4","1") = "6"
    & skf21("6","7","1","4","4","2","5","1") = "6"
    & skf21("6","7","1","4","4","2","6","1") = "6"
    & skf21("6","7","1","4","4","2","7","1") = "6"
    & skf21("6","7","1","4","4","3","1","1") = "6"
    & skf21("6","7","1","4","4","3","2","1") = "6"
    & skf21("6","7","1","4","4","3","3","1") = "6"
    & skf21("6","7","1","4","4","3","4","1") = "6"
    & skf21("6","7","1","4","4","3","5","1") = "6"
    & skf21("6","7","1","4","4","3","6","1") = "6"
    & skf21("6","7","1","4","4","3","7","1") = "6"
    & skf21("6","7","1","4","4","4","1","1") = "6"
    & skf21("6","7","1","4","4","4","2","1") = "6"
    & skf21("6","7","1","4","4","4","3","1") = "6"
    & skf21("6","7","1","4","4","4","4","1") = "6"
    & skf21("6","7","1","4","4","4","5","1") = "6"
    & skf21("6","7","1","4","4","4","6","1") = "6"
    & skf21("6","7","1","4","4","4","7","1") = "6"
    & skf21("6","7","1","4","4","5","1","1") = "6"
    & skf21("6","7","1","4","4","5","2","1") = "6"
    & skf21("6","7","1","4","4","5","3","1") = "6"
    & skf21("6","7","1","4","4","5","4","1") = "6"
    & skf21("6","7","1","4","4","5","5","1") = "6"
    & skf21("6","7","1","4","4","5","6","1") = "6"
    & skf21("6","7","1","4","4","5","7","1") = "6"
    & skf21("6","7","1","4","4","6","1","1") = "6"
    & skf21("6","7","1","4","4","6","2","1") = "6"
    & skf21("6","7","1","4","4","6","3","1") = "6"
    & skf21("6","7","1","4","4","6","4","1") = "6"
    & skf21("6","7","1","4","4","6","5","1") = "6"
    & skf21("6","7","1","4","4","6","6","1") = "6"
    & skf21("6","7","1","4","4","6","7","1") = "6"
    & skf21("6","7","1","4","4","7","1","1") = "6"
    & skf21("6","7","1","4","4","7","2","1") = "6"
    & skf21("6","7","1","4","4","7","3","1") = "6"
    & skf21("6","7","1","4","4","7","4","1") = "6"
    & skf21("6","7","1","4","4","7","5","1") = "6"
    & skf21("6","7","1","4","4","7","6","1") = "6"
    & skf21("6","7","1","4","4","7","7","1") = "6"
    & skf21("6","7","1","4","5","1","1","1") = "6"
    & skf21("6","7","1","4","5","1","2","1") = "6"
    & skf21("6","7","1","4","5","1","3","1") = "6"
    & skf21("6","7","1","4","5","1","4","1") = "6"
    & skf21("6","7","1","4","5","1","5","1") = "6"
    & skf21("6","7","1","4","5","1","6","1") = "6"
    & skf21("6","7","1","4","5","1","7","1") = "6"
    & skf21("6","7","1","4","5","2","1","1") = "6"
    & skf21("6","7","1","4","5","2","2","1") = "6"
    & skf21("6","7","1","4","5","2","3","1") = "6"
    & skf21("6","7","1","4","5","2","4","1") = "6"
    & skf21("6","7","1","4","5","2","5","1") = "6"
    & skf21("6","7","1","4","5","2","6","1") = "6"
    & skf21("6","7","1","4","5","2","7","1") = "6"
    & skf21("6","7","1","4","5","3","1","1") = "6"
    & skf21("6","7","1","4","5","3","2","1") = "6"
    & skf21("6","7","1","4","5","3","3","1") = "6"
    & skf21("6","7","1","4","5","3","4","1") = "6"
    & skf21("6","7","1","4","5","3","5","1") = "6"
    & skf21("6","7","1","4","5","3","6","1") = "6"
    & skf21("6","7","1","4","5","3","7","1") = "6"
    & skf21("6","7","1","4","5","4","1","1") = "6"
    & skf21("6","7","1","4","5","4","2","1") = "6"
    & skf21("6","7","1","4","5","4","3","1") = "6"
    & skf21("6","7","1","4","5","4","4","1") = "6"
    & skf21("6","7","1","4","5","4","5","1") = "6"
    & skf21("6","7","1","4","5","4","6","1") = "6"
    & skf21("6","7","1","4","5","4","7","1") = "6"
    & skf21("6","7","1","4","5","5","1","1") = "6"
    & skf21("6","7","1","4","5","5","2","1") = "6"
    & skf21("6","7","1","4","5","5","3","1") = "6"
    & skf21("6","7","1","4","5","5","4","1") = "6"
    & skf21("6","7","1","4","5","5","5","1") = "6"
    & skf21("6","7","1","4","5","5","6","1") = "6"
    & skf21("6","7","1","4","5","5","7","1") = "6"
    & skf21("6","7","1","4","5","6","1","1") = "6"
    & skf21("6","7","1","4","5","6","2","1") = "6"
    & skf21("6","7","1","4","5","6","3","1") = "6"
    & skf21("6","7","1","4","5","6","4","1") = "6"
    & skf21("6","7","1","4","5","6","5","1") = "6"
    & skf21("6","7","1","4","5","6","6","1") = "6"
    & skf21("6","7","1","4","5","6","7","1") = "6"
    & skf21("6","7","1","4","5","7","1","1") = "6"
    & skf21("6","7","1","4","5","7","2","1") = "6"
    & skf21("6","7","1","4","5","7","3","1") = "6"
    & skf21("6","7","1","4","5","7","4","1") = "6"
    & skf21("6","7","1","4","5","7","5","1") = "6"
    & skf21("6","7","1","4","5","7","6","1") = "6"
    & skf21("6","7","1","4","5","7","7","1") = "6"
    & skf21("6","7","1","4","6","1","1","1") = "6"
    & skf21("6","7","1","4","6","1","2","1") = "6"
    & skf21("6","7","1","4","6","1","3","1") = "6"
    & skf21("6","7","1","4","6","1","4","1") = "6"
    & skf21("6","7","1","4","6","1","5","1") = "6"
    & skf21("6","7","1","4","6","1","6","1") = "6"
    & skf21("6","7","1","4","6","1","7","1") = "6"
    & skf21("6","7","1","4","6","2","1","1") = "6"
    & skf21("6","7","1","4","6","2","2","1") = "6"
    & skf21("6","7","1","4","6","2","3","1") = "6"
    & skf21("6","7","1","4","6","2","4","1") = "6"
    & skf21("6","7","1","4","6","2","5","1") = "6"
    & skf21("6","7","1","4","6","2","6","1") = "6"
    & skf21("6","7","1","4","6","2","7","1") = "6"
    & skf21("6","7","1","4","6","3","1","1") = "6"
    & skf21("6","7","1","4","6","3","2","1") = "6"
    & skf21("6","7","1","4","6","3","3","1") = "6"
    & skf21("6","7","1","4","6","3","4","1") = "6"
    & skf21("6","7","1","4","6","3","5","1") = "6"
    & skf21("6","7","1","4","6","3","6","1") = "6"
    & skf21("6","7","1","4","6","3","7","1") = "6"
    & skf21("6","7","1","4","6","4","1","1") = "6"
    & skf21("6","7","1","4","6","4","2","1") = "6"
    & skf21("6","7","1","4","6","4","3","1") = "6"
    & skf21("6","7","1","4","6","4","4","1") = "6"
    & skf21("6","7","1","4","6","4","5","1") = "6"
    & skf21("6","7","1","4","6","4","6","1") = "6"
    & skf21("6","7","1","4","6","4","7","1") = "6"
    & skf21("6","7","1","4","6","5","1","1") = "6"
    & skf21("6","7","1","4","6","5","2","1") = "6"
    & skf21("6","7","1","4","6","5","3","1") = "6"
    & skf21("6","7","1","4","6","5","4","1") = "6"
    & skf21("6","7","1","4","6","5","5","1") = "6"
    & skf21("6","7","1","4","6","5","6","1") = "6"
    & skf21("6","7","1","4","6","5","7","1") = "6"
    & skf21("6","7","1","4","6","6","1","1") = "6"
    & skf21("6","7","1","4","6","6","2","1") = "6"
    & skf21("6","7","1","4","6","6","3","1") = "6"
    & skf21("6","7","1","4","6","6","4","1") = "6"
    & skf21("6","7","1","4","6","6","5","1") = "6"
    & skf21("6","7","1","4","6","6","6","1") = "6"
    & skf21("6","7","1","4","6","6","7","1") = "6"
    & skf21("6","7","1","4","6","7","1","1") = "6"
    & skf21("6","7","1","4","6","7","2","1") = "6"
    & skf21("6","7","1","4","6","7","3","1") = "6"
    & skf21("6","7","1","4","6","7","4","1") = "6"
    & skf21("6","7","1","4","6","7","5","1") = "6"
    & skf21("6","7","1","4","6","7","6","1") = "6"
    & skf21("6","7","1","4","6","7","7","1") = "6"
    & skf21("6","7","1","4","7","1","1","1") = "6"
    & skf21("6","7","1","4","7","1","2","1") = "6"
    & skf21("6","7","1","4","7","1","3","1") = "6"
    & skf21("6","7","1","4","7","1","4","1") = "6"
    & skf21("6","7","1","4","7","1","5","1") = "6"
    & skf21("6","7","1","4","7","1","6","1") = "6"
    & skf21("6","7","1","4","7","1","7","1") = "6"
    & skf21("6","7","1","4","7","2","1","1") = "6"
    & skf21("6","7","1","4","7","2","2","1") = "6"
    & skf21("6","7","1","4","7","2","3","1") = "6"
    & skf21("6","7","1","4","7","2","4","1") = "6"
    & skf21("6","7","1","4","7","2","5","1") = "6"
    & skf21("6","7","1","4","7","2","6","1") = "6"
    & skf21("6","7","1","4","7","2","7","1") = "6"
    & skf21("6","7","1","4","7","3","1","1") = "6"
    & skf21("6","7","1","4","7","3","2","1") = "6"
    & skf21("6","7","1","4","7","3","3","1") = "6"
    & skf21("6","7","1","4","7","3","4","1") = "6"
    & skf21("6","7","1","4","7","3","5","1") = "6"
    & skf21("6","7","1","4","7","3","6","1") = "6"
    & skf21("6","7","1","4","7","3","7","1") = "6"
    & skf21("6","7","1","4","7","4","1","1") = "6"
    & skf21("6","7","1","4","7","4","2","1") = "6"
    & skf21("6","7","1","4","7","4","3","1") = "6"
    & skf21("6","7","1","4","7","4","4","1") = "6"
    & skf21("6","7","1","4","7","4","5","1") = "6"
    & skf21("6","7","1","4","7","4","6","1") = "6"
    & skf21("6","7","1","4","7","4","7","1") = "6"
    & skf21("6","7","1","4","7","5","1","1") = "6"
    & skf21("6","7","1","4","7","5","2","1") = "6"
    & skf21("6","7","1","4","7","5","3","1") = "6"
    & skf21("6","7","1","4","7","5","4","1") = "6"
    & skf21("6","7","1","4","7","5","5","1") = "6"
    & skf21("6","7","1","4","7","5","6","1") = "6"
    & skf21("6","7","1","4","7","5","7","1") = "6"
    & skf21("6","7","1","4","7","6","1","1") = "6"
    & skf21("6","7","1","4","7","6","2","1") = "6"
    & skf21("6","7","1","4","7","6","3","1") = "6"
    & skf21("6","7","1","4","7","6","4","1") = "6"
    & skf21("6","7","1","4","7","6","5","1") = "6"
    & skf21("6","7","1","4","7","6","6","1") = "6"
    & skf21("6","7","1","4","7","6","7","1") = "6"
    & skf21("6","7","1","4","7","7","1","1") = "6"
    & skf21("6","7","1","4","7","7","2","1") = "6"
    & skf21("6","7","1","4","7","7","3","1") = "6"
    & skf21("6","7","1","4","7","7","4","1") = "6"
    & skf21("6","7","1","4","7","7","5","1") = "6"
    & skf21("6","7","1","4","7","7","6","1") = "6"
    & skf21("6","7","1","4","7","7","7","1") = "6"
    & skf21("6","7","1","5","1","1","1","1") = "6"
    & skf21("6","7","1","5","1","1","2","1") = "6"
    & skf21("6","7","1","5","1","1","3","1") = "6"
    & skf21("6","7","1","5","1","1","4","1") = "6"
    & skf21("6","7","1","5","1","1","5","1") = "6"
    & skf21("6","7","1","5","1","1","6","1") = "6"
    & skf21("6","7","1","5","1","1","7","1") = "6"
    & skf21("6","7","1","5","1","2","1","1") = "6"
    & skf21("6","7","1","5","1","2","2","1") = "6"
    & skf21("6","7","1","5","1","2","3","1") = "6"
    & skf21("6","7","1","5","1","2","4","1") = "6"
    & skf21("6","7","1","5","1","2","5","1") = "6"
    & skf21("6","7","1","5","1","2","6","1") = "6"
    & skf21("6","7","1","5","1","2","7","1") = "6"
    & skf21("6","7","1","5","1","3","1","1") = "6"
    & skf21("6","7","1","5","1","3","2","1") = "6"
    & skf21("6","7","1","5","1","3","3","1") = "6"
    & skf21("6","7","1","5","1","3","4","1") = "6"
    & skf21("6","7","1","5","1","3","5","1") = "6"
    & skf21("6","7","1","5","1","3","6","1") = "6"
    & skf21("6","7","1","5","1","3","7","1") = "6"
    & skf21("6","7","1","5","1","4","1","1") = "6"
    & skf21("6","7","1","5","1","4","2","1") = "6"
    & skf21("6","7","1","5","1","4","3","1") = "6"
    & skf21("6","7","1","5","1","4","4","1") = "6"
    & skf21("6","7","1","5","1","4","5","1") = "6"
    & skf21("6","7","1","5","1","4","6","1") = "6"
    & skf21("6","7","1","5","1","4","7","1") = "6"
    & skf21("6","7","1","5","1","5","1","1") = "6"
    & skf21("6","7","1","5","1","5","2","1") = "6"
    & skf21("6","7","1","5","1","5","3","1") = "6"
    & skf21("6","7","1","5","1","5","4","1") = "6"
    & skf21("6","7","1","5","1","5","5","1") = "6"
    & skf21("6","7","1","5","1","5","6","1") = "6"
    & skf21("6","7","1","5","1","5","7","1") = "6"
    & skf21("6","7","1","5","1","6","1","1") = "6"
    & skf21("6","7","1","5","1","6","2","1") = "6"
    & skf21("6","7","1","5","1","6","3","1") = "6"
    & skf21("6","7","1","5","1","6","4","1") = "6"
    & skf21("6","7","1","5","1","6","5","1") = "6"
    & skf21("6","7","1","5","1","6","6","1") = "6"
    & skf21("6","7","1","5","1","6","7","1") = "6"
    & skf21("6","7","1","5","1","7","1","1") = "6"
    & skf21("6","7","1","5","1","7","2","1") = "6"
    & skf21("6","7","1","5","1","7","3","1") = "6"
    & skf21("6","7","1","5","1","7","4","1") = "6"
    & skf21("6","7","1","5","1","7","5","1") = "6"
    & skf21("6","7","1","5","1","7","6","1") = "6"
    & skf21("6","7","1","5","1","7","7","1") = "6"
    & skf21("6","7","1","5","2","1","1","1") = "6"
    & skf21("6","7","1","5","2","1","2","1") = "6"
    & skf21("6","7","1","5","2","1","3","1") = "6"
    & skf21("6","7","1","5","2","1","4","1") = "6"
    & skf21("6","7","1","5","2","1","5","1") = "6"
    & skf21("6","7","1","5","2","1","6","1") = "6"
    & skf21("6","7","1","5","2","1","7","1") = "6"
    & skf21("6","7","1","5","2","2","1","1") = "6"
    & skf21("6","7","1","5","2","2","2","1") = "6"
    & skf21("6","7","1","5","2","2","3","1") = "6"
    & skf21("6","7","1","5","2","2","4","1") = "6"
    & skf21("6","7","1","5","2","2","5","1") = "6"
    & skf21("6","7","1","5","2","2","6","1") = "6"
    & skf21("6","7","1","5","2","2","7","1") = "6"
    & skf21("6","7","1","5","2","3","1","1") = "6"
    & skf21("6","7","1","5","2","3","2","1") = "6"
    & skf21("6","7","1","5","2","3","3","1") = "6"
    & skf21("6","7","1","5","2","3","4","1") = "6"
    & skf21("6","7","1","5","2","3","5","1") = "6"
    & skf21("6","7","1","5","2","3","6","1") = "6"
    & skf21("6","7","1","5","2","3","7","1") = "6"
    & skf21("6","7","1","5","2","4","1","1") = "6"
    & skf21("6","7","1","5","2","4","2","1") = "6"
    & skf21("6","7","1","5","2","4","3","1") = "6"
    & skf21("6","7","1","5","2","4","4","1") = "6"
    & skf21("6","7","1","5","2","4","5","1") = "6"
    & skf21("6","7","1","5","2","4","6","1") = "6"
    & skf21("6","7","1","5","2","4","7","1") = "6"
    & skf21("6","7","1","5","2","5","1","1") = "6"
    & skf21("6","7","1","5","2","5","2","1") = "6"
    & skf21("6","7","1","5","2","5","3","1") = "6"
    & skf21("6","7","1","5","2","5","4","1") = "6"
    & skf21("6","7","1","5","2","5","5","1") = "6"
    & skf21("6","7","1","5","2","5","6","1") = "6"
    & skf21("6","7","1","5","2","5","7","1") = "6"
    & skf21("6","7","1","5","2","6","1","1") = "6"
    & skf21("6","7","1","5","2","6","2","1") = "6"
    & skf21("6","7","1","5","2","6","3","1") = "6"
    & skf21("6","7","1","5","2","6","4","1") = "6"
    & skf21("6","7","1","5","2","6","5","1") = "6"
    & skf21("6","7","1","5","2","6","6","1") = "6"
    & skf21("6","7","1","5","2","6","7","1") = "6"
    & skf21("6","7","1","5","2","7","1","1") = "6"
    & skf21("6","7","1","5","2","7","2","1") = "6"
    & skf21("6","7","1","5","2","7","3","1") = "6"
    & skf21("6","7","1","5","2","7","4","1") = "6"
    & skf21("6","7","1","5","2","7","5","1") = "6"
    & skf21("6","7","1","5","2","7","6","1") = "6"
    & skf21("6","7","1","5","2","7","7","1") = "6"
    & skf21("6","7","1","5","3","1","1","1") = "6"
    & skf21("6","7","1","5","3","1","2","1") = "6"
    & skf21("6","7","1","5","3","1","3","1") = "6"
    & skf21("6","7","1","5","3","1","4","1") = "6"
    & skf21("6","7","1","5","3","1","5","1") = "6"
    & skf21("6","7","1","5","3","1","6","1") = "6"
    & skf21("6","7","1","5","3","1","7","1") = "6"
    & skf21("6","7","1","5","3","2","1","1") = "6"
    & skf21("6","7","1","5","3","2","2","1") = "6"
    & skf21("6","7","1","5","3","2","3","1") = "6"
    & skf21("6","7","1","5","3","2","4","1") = "6"
    & skf21("6","7","1","5","3","2","5","1") = "6"
    & skf21("6","7","1","5","3","2","6","1") = "6"
    & skf21("6","7","1","5","3","2","7","1") = "6"
    & skf21("6","7","1","5","3","3","1","1") = "6"
    & skf21("6","7","1","5","3","3","2","1") = "6"
    & skf21("6","7","1","5","3","3","3","1") = "6"
    & skf21("6","7","1","5","3","3","4","1") = "6"
    & skf21("6","7","1","5","3","3","5","1") = "6"
    & skf21("6","7","1","5","3","3","6","1") = "6"
    & skf21("6","7","1","5","3","3","7","1") = "6"
    & skf21("6","7","1","5","3","4","1","1") = "6"
    & skf21("6","7","1","5","3","4","2","1") = "6"
    & skf21("6","7","1","5","3","4","3","1") = "6"
    & skf21("6","7","1","5","3","4","4","1") = "6"
    & skf21("6","7","1","5","3","4","5","1") = "6"
    & skf21("6","7","1","5","3","4","6","1") = "6"
    & skf21("6","7","1","5","3","4","7","1") = "6"
    & skf21("6","7","1","5","3","5","1","1") = "6"
    & skf21("6","7","1","5","3","5","2","1") = "6"
    & skf21("6","7","1","5","3","5","3","1") = "6"
    & skf21("6","7","1","5","3","5","4","1") = "6"
    & skf21("6","7","1","5","3","5","5","1") = "6"
    & skf21("6","7","1","5","3","5","6","1") = "6"
    & skf21("6","7","1","5","3","5","7","1") = "6"
    & skf21("6","7","1","5","3","6","1","1") = "6"
    & skf21("6","7","1","5","3","6","2","1") = "6"
    & skf21("6","7","1","5","3","6","3","1") = "6"
    & skf21("6","7","1","5","3","6","4","1") = "6"
    & skf21("6","7","1","5","3","6","5","1") = "6"
    & skf21("6","7","1","5","3","6","6","1") = "6"
    & skf21("6","7","1","5","3","6","7","1") = "6"
    & skf21("6","7","1","5","3","7","1","1") = "6"
    & skf21("6","7","1","5","3","7","2","1") = "6"
    & skf21("6","7","1","5","3","7","3","1") = "6"
    & skf21("6","7","1","5","3","7","4","1") = "6"
    & skf21("6","7","1","5","3","7","5","1") = "6"
    & skf21("6","7","1","5","3","7","6","1") = "6"
    & skf21("6","7","1","5","3","7","7","1") = "6"
    & skf21("6","7","1","5","4","1","1","1") = "6"
    & skf21("6","7","1","5","4","1","2","1") = "6"
    & skf21("6","7","1","5","4","1","3","1") = "6"
    & skf21("6","7","1","5","4","1","4","1") = "6"
    & skf21("6","7","1","5","4","1","5","1") = "6"
    & skf21("6","7","1","5","4","1","6","1") = "6"
    & skf21("6","7","1","5","4","1","7","1") = "6"
    & skf21("6","7","1","5","4","2","1","1") = "6"
    & skf21("6","7","1","5","4","2","2","1") = "6"
    & skf21("6","7","1","5","4","2","3","1") = "6"
    & skf21("6","7","1","5","4","2","4","1") = "6"
    & skf21("6","7","1","5","4","2","5","1") = "6"
    & skf21("6","7","1","5","4","2","6","1") = "6"
    & skf21("6","7","1","5","4","2","7","1") = "6"
    & skf21("6","7","1","5","4","3","1","1") = "6"
    & skf21("6","7","1","5","4","3","2","1") = "6"
    & skf21("6","7","1","5","4","3","3","1") = "6"
    & skf21("6","7","1","5","4","3","4","1") = "6"
    & skf21("6","7","1","5","4","3","5","1") = "6"
    & skf21("6","7","1","5","4","3","6","1") = "6"
    & skf21("6","7","1","5","4","3","7","1") = "6"
    & skf21("6","7","1","5","4","4","1","1") = "6"
    & skf21("6","7","1","5","4","4","2","1") = "6"
    & skf21("6","7","1","5","4","4","3","1") = "6"
    & skf21("6","7","1","5","4","4","4","1") = "6"
    & skf21("6","7","1","5","4","4","5","1") = "6"
    & skf21("6","7","1","5","4","4","6","1") = "6"
    & skf21("6","7","1","5","4","4","7","1") = "6"
    & skf21("6","7","1","5","4","5","1","1") = "6"
    & skf21("6","7","1","5","4","5","2","1") = "6"
    & skf21("6","7","1","5","4","5","3","1") = "6"
    & skf21("6","7","1","5","4","5","4","1") = "6"
    & skf21("6","7","1","5","4","5","5","1") = "6"
    & skf21("6","7","1","5","4","5","6","1") = "6"
    & skf21("6","7","1","5","4","5","7","1") = "6"
    & skf21("6","7","1","5","4","6","1","1") = "6"
    & skf21("6","7","1","5","4","6","2","1") = "6"
    & skf21("6","7","1","5","4","6","3","1") = "6"
    & skf21("6","7","1","5","4","6","4","1") = "6"
    & skf21("6","7","1","5","4","6","5","1") = "6"
    & skf21("6","7","1","5","4","6","6","1") = "6"
    & skf21("6","7","1","5","4","6","7","1") = "6"
    & skf21("6","7","1","5","4","7","1","1") = "6"
    & skf21("6","7","1","5","4","7","2","1") = "6"
    & skf21("6","7","1","5","4","7","3","1") = "6"
    & skf21("6","7","1","5","4","7","4","1") = "6"
    & skf21("6","7","1","5","4","7","5","1") = "6"
    & skf21("6","7","1","5","4","7","6","1") = "6"
    & skf21("6","7","1","5","4","7","7","1") = "6"
    & skf21("6","7","1","5","5","1","1","1") = "6"
    & skf21("6","7","1","5","5","1","2","1") = "6"
    & skf21("6","7","1","5","5","1","3","1") = "6"
    & skf21("6","7","1","5","5","1","4","1") = "6"
    & skf21("6","7","1","5","5","1","5","1") = "6"
    & skf21("6","7","1","5","5","1","6","1") = "6"
    & skf21("6","7","1","5","5","1","7","1") = "6"
    & skf21("6","7","1","5","5","2","1","1") = "6"
    & skf21("6","7","1","5","5","2","2","1") = "6"
    & skf21("6","7","1","5","5","2","3","1") = "6"
    & skf21("6","7","1","5","5","2","4","1") = "6"
    & skf21("6","7","1","5","5","2","5","1") = "6"
    & skf21("6","7","1","5","5","2","6","1") = "6"
    & skf21("6","7","1","5","5","2","7","1") = "6"
    & skf21("6","7","1","5","5","3","1","1") = "6"
    & skf21("6","7","1","5","5","3","2","1") = "6"
    & skf21("6","7","1","5","5","3","3","1") = "6"
    & skf21("6","7","1","5","5","3","4","1") = "6"
    & skf21("6","7","1","5","5","3","5","1") = "6"
    & skf21("6","7","1","5","5","3","6","1") = "6"
    & skf21("6","7","1","5","5","3","7","1") = "6"
    & skf21("6","7","1","5","5","4","1","1") = "6"
    & skf21("6","7","1","5","5","4","2","1") = "6"
    & skf21("6","7","1","5","5","4","3","1") = "6"
    & skf21("6","7","1","5","5","4","4","1") = "6"
    & skf21("6","7","1","5","5","4","5","1") = "6"
    & skf21("6","7","1","5","5","4","6","1") = "6"
    & skf21("6","7","1","5","5","4","7","1") = "6"
    & skf21("6","7","1","5","5","5","1","1") = "6"
    & skf21("6","7","1","5","5","5","2","1") = "6"
    & skf21("6","7","1","5","5","5","3","1") = "6"
    & skf21("6","7","1","5","5","5","4","1") = "6"
    & skf21("6","7","1","5","5","5","5","1") = "6"
    & skf21("6","7","1","5","5","5","6","1") = "6"
    & skf21("6","7","1","5","5","5","7","1") = "6"
    & skf21("6","7","1","5","5","6","1","1") = "6"
    & skf21("6","7","1","5","5","6","2","1") = "6"
    & skf21("6","7","1","5","5","6","3","1") = "6"
    & skf21("6","7","1","5","5","6","4","1") = "6"
    & skf21("6","7","1","5","5","6","5","1") = "6"
    & skf21("6","7","1","5","5","6","6","1") = "6"
    & skf21("6","7","1","5","5","6","7","1") = "6"
    & skf21("6","7","1","5","5","7","1","1") = "6"
    & skf21("6","7","1","5","5","7","2","1") = "6"
    & skf21("6","7","1","5","5","7","3","1") = "6"
    & skf21("6","7","1","5","5","7","4","1") = "6"
    & skf21("6","7","1","5","5","7","5","1") = "6"
    & skf21("6","7","1","5","5","7","6","1") = "6"
    & skf21("6","7","1","5","5","7","7","1") = "6"
    & skf21("6","7","1","5","6","1","1","1") = "6"
    & skf21("6","7","1","5","6","1","2","1") = "6"
    & skf21("6","7","1","5","6","1","3","1") = "6"
    & skf21("6","7","1","5","6","1","4","1") = "6"
    & skf21("6","7","1","5","6","1","5","1") = "6"
    & skf21("6","7","1","5","6","1","6","1") = "6"
    & skf21("6","7","1","5","6","1","7","1") = "6"
    & skf21("6","7","1","5","6","2","1","1") = "6"
    & skf21("6","7","1","5","6","2","2","1") = "6"
    & skf21("6","7","1","5","6","2","3","1") = "6"
    & skf21("6","7","1","5","6","2","4","1") = "6"
    & skf21("6","7","1","5","6","2","5","1") = "6"
    & skf21("6","7","1","5","6","2","6","1") = "6"
    & skf21("6","7","1","5","6","2","7","1") = "6"
    & skf21("6","7","1","5","6","3","1","1") = "6"
    & skf21("6","7","1","5","6","3","2","1") = "6"
    & skf21("6","7","1","5","6","3","3","1") = "6"
    & skf21("6","7","1","5","6","3","4","1") = "6"
    & skf21("6","7","1","5","6","3","5","1") = "6"
    & skf21("6","7","1","5","6","3","6","1") = "6"
    & skf21("6","7","1","5","6","3","7","1") = "6"
    & skf21("6","7","1","5","6","4","1","1") = "6"
    & skf21("6","7","1","5","6","4","2","1") = "6"
    & skf21("6","7","1","5","6","4","3","1") = "6"
    & skf21("6","7","1","5","6","4","4","1") = "6"
    & skf21("6","7","1","5","6","4","5","1") = "6"
    & skf21("6","7","1","5","6","4","6","1") = "6"
    & skf21("6","7","1","5","6","4","7","1") = "6"
    & skf21("6","7","1","5","6","5","1","1") = "6"
    & skf21("6","7","1","5","6","5","2","1") = "6"
    & skf21("6","7","1","5","6","5","3","1") = "6"
    & skf21("6","7","1","5","6","5","4","1") = "6"
    & skf21("6","7","1","5","6","5","5","1") = "6"
    & skf21("6","7","1","5","6","5","6","1") = "6"
    & skf21("6","7","1","5","6","5","7","1") = "6"
    & skf21("6","7","1","5","6","6","1","1") = "6"
    & skf21("6","7","1","5","6","6","2","1") = "6"
    & skf21("6","7","1","5","6","6","3","1") = "6"
    & skf21("6","7","1","5","6","6","4","1") = "6"
    & skf21("6","7","1","5","6","6","5","1") = "6"
    & skf21("6","7","1","5","6","6","6","1") = "6"
    & skf21("6","7","1","5","6","6","7","1") = "6"
    & skf21("6","7","1","5","6","7","1","1") = "6"
    & skf21("6","7","1","5","6","7","2","1") = "6"
    & skf21("6","7","1","5","6","7","3","1") = "6"
    & skf21("6","7","1","5","6","7","4","1") = "6"
    & skf21("6","7","1","5","6","7","5","1") = "6"
    & skf21("6","7","1","5","6","7","6","1") = "6"
    & skf21("6","7","1","5","6","7","7","1") = "6"
    & skf21("6","7","1","5","7","1","1","1") = "6"
    & skf21("6","7","1","5","7","1","2","1") = "6"
    & skf21("6","7","1","5","7","1","3","1") = "6"
    & skf21("6","7","1","5","7","1","4","1") = "6"
    & skf21("6","7","1","5","7","1","5","1") = "6"
    & skf21("6","7","1","5","7","1","6","1") = "6"
    & skf21("6","7","1","5","7","1","7","1") = "6"
    & skf21("6","7","1","5","7","2","1","1") = "6"
    & skf21("6","7","1","5","7","2","2","1") = "6"
    & skf21("6","7","1","5","7","2","3","1") = "6"
    & skf21("6","7","1","5","7","2","4","1") = "6"
    & skf21("6","7","1","5","7","2","5","1") = "6"
    & skf21("6","7","1","5","7","2","6","1") = "6"
    & skf21("6","7","1","5","7","2","7","1") = "6"
    & skf21("6","7","1","5","7","3","1","1") = "6"
    & skf21("6","7","1","5","7","3","2","1") = "6"
    & skf21("6","7","1","5","7","3","3","1") = "6"
    & skf21("6","7","1","5","7","3","4","1") = "6"
    & skf21("6","7","1","5","7","3","5","1") = "6"
    & skf21("6","7","1","5","7","3","6","1") = "6"
    & skf21("6","7","1","5","7","3","7","1") = "6"
    & skf21("6","7","1","5","7","4","1","1") = "6"
    & skf21("6","7","1","5","7","4","2","1") = "6"
    & skf21("6","7","1","5","7","4","3","1") = "6"
    & skf21("6","7","1","5","7","4","4","1") = "6"
    & skf21("6","7","1","5","7","4","5","1") = "6"
    & skf21("6","7","1","5","7","4","6","1") = "6"
    & skf21("6","7","1","5","7","4","7","1") = "6"
    & skf21("6","7","1","5","7","5","1","1") = "6"
    & skf21("6","7","1","5","7","5","2","1") = "6"
    & skf21("6","7","1","5","7","5","3","1") = "6"
    & skf21("6","7","1","5","7","5","4","1") = "6"
    & skf21("6","7","1","5","7","5","5","1") = "6"
    & skf21("6","7","1","5","7","5","6","1") = "6"
    & skf21("6","7","1","5","7","5","7","1") = "6"
    & skf21("6","7","1","5","7","6","1","1") = "6"
    & skf21("6","7","1","5","7","6","2","1") = "6"
    & skf21("6","7","1","5","7","6","3","1") = "6"
    & skf21("6","7","1","5","7","6","4","1") = "6"
    & skf21("6","7","1","5","7","6","5","1") = "6"
    & skf21("6","7","1","5","7","6","6","1") = "6"
    & skf21("6","7","1","5","7","6","7","1") = "6"
    & skf21("6","7","1","5","7","7","1","1") = "6"
    & skf21("6","7","1","5","7","7","2","1") = "6"
    & skf21("6","7","1","5","7","7","3","1") = "6"
    & skf21("6","7","1","5","7","7","4","1") = "6"
    & skf21("6","7","1","5","7","7","5","1") = "6"
    & skf21("6","7","1","5","7","7","6","1") = "6"
    & skf21("6","7","1","5","7","7","7","1") = "6"
    & skf21("6","7","1","6","1","1","1","1") = "6"
    & skf21("6","7","1","6","1","1","2","1") = "6"
    & skf21("6","7","1","6","1","1","3","1") = "6"
    & skf21("6","7","1","6","1","1","4","1") = "6"
    & skf21("6","7","1","6","1","1","5","1") = "6"
    & skf21("6","7","1","6","1","1","6","1") = "6"
    & skf21("6","7","1","6","1","1","7","1") = "6"
    & skf21("6","7","1","6","1","2","1","1") = "6"
    & skf21("6","7","1","6","1","2","2","1") = "6"
    & skf21("6","7","1","6","1","2","3","1") = "6"
    & skf21("6","7","1","6","1","2","4","1") = "6"
    & skf21("6","7","1","6","1","2","5","1") = "6"
    & skf21("6","7","1","6","1","2","6","1") = "6"
    & skf21("6","7","1","6","1","2","7","1") = "6"
    & skf21("6","7","1","6","1","3","1","1") = "6"
    & skf21("6","7","1","6","1","3","2","1") = "6"
    & skf21("6","7","1","6","1","3","3","1") = "6"
    & skf21("6","7","1","6","1","3","4","1") = "6"
    & skf21("6","7","1","6","1","3","5","1") = "6"
    & skf21("6","7","1","6","1","3","6","1") = "6"
    & skf21("6","7","1","6","1","3","7","1") = "6"
    & skf21("6","7","1","6","1","4","1","1") = "6"
    & skf21("6","7","1","6","1","4","2","1") = "6"
    & skf21("6","7","1","6","1","4","3","1") = "6"
    & skf21("6","7","1","6","1","4","4","1") = "6"
    & skf21("6","7","1","6","1","4","5","1") = "6"
    & skf21("6","7","1","6","1","4","6","1") = "6"
    & skf21("6","7","1","6","1","4","7","1") = "6"
    & skf21("6","7","1","6","1","5","1","1") = "6"
    & skf21("6","7","1","6","1","5","2","1") = "6"
    & skf21("6","7","1","6","1","5","3","1") = "6"
    & skf21("6","7","1","6","1","5","4","1") = "6"
    & skf21("6","7","1","6","1","5","5","1") = "6"
    & skf21("6","7","1","6","1","5","6","1") = "6"
    & skf21("6","7","1","6","1","5","7","1") = "6"
    & skf21("6","7","1","6","1","6","1","1") = "6"
    & skf21("6","7","1","6","1","6","2","1") = "6"
    & skf21("6","7","1","6","1","6","3","1") = "6"
    & skf21("6","7","1","6","1","6","4","1") = "6"
    & skf21("6","7","1","6","1","6","5","1") = "6"
    & skf21("6","7","1","6","1","6","6","1") = "6"
    & skf21("6","7","1","6","1","6","7","1") = "6"
    & skf21("6","7","1","6","1","7","1","1") = "6"
    & skf21("6","7","1","6","1","7","2","1") = "6"
    & skf21("6","7","1","6","1","7","3","1") = "6"
    & skf21("6","7","1","6","1","7","4","1") = "6"
    & skf21("6","7","1","6","1","7","5","1") = "6"
    & skf21("6","7","1","6","1","7","6","1") = "6"
    & skf21("6","7","1","6","1","7","7","1") = "6"
    & skf21("6","7","1","6","2","1","1","1") = "6"
    & skf21("6","7","1","6","2","1","2","1") = "6"
    & skf21("6","7","1","6","2","1","3","1") = "6"
    & skf21("6","7","1","6","2","1","4","1") = "6"
    & skf21("6","7","1","6","2","1","5","1") = "6"
    & skf21("6","7","1","6","2","1","6","1") = "6"
    & skf21("6","7","1","6","2","1","7","1") = "6"
    & skf21("6","7","1","6","2","2","1","1") = "6"
    & skf21("6","7","1","6","2","2","2","1") = "6"
    & skf21("6","7","1","6","2","2","3","1") = "6"
    & skf21("6","7","1","6","2","2","4","1") = "6"
    & skf21("6","7","1","6","2","2","5","1") = "6"
    & skf21("6","7","1","6","2","2","6","1") = "6"
    & skf21("6","7","1","6","2","2","7","1") = "6"
    & skf21("6","7","1","6","2","3","1","1") = "6"
    & skf21("6","7","1","6","2","3","2","1") = "6"
    & skf21("6","7","1","6","2","3","3","1") = "6"
    & skf21("6","7","1","6","2","3","4","1") = "6"
    & skf21("6","7","1","6","2","3","5","1") = "6"
    & skf21("6","7","1","6","2","3","6","1") = "6"
    & skf21("6","7","1","6","2","3","7","1") = "6"
    & skf21("6","7","1","6","2","4","1","1") = "6"
    & skf21("6","7","1","6","2","4","2","1") = "6"
    & skf21("6","7","1","6","2","4","3","1") = "6"
    & skf21("6","7","1","6","2","4","4","1") = "6"
    & skf21("6","7","1","6","2","4","5","1") = "6"
    & skf21("6","7","1","6","2","4","6","1") = "6"
    & skf21("6","7","1","6","2","4","7","1") = "6"
    & skf21("6","7","1","6","2","5","1","1") = "6"
    & skf21("6","7","1","6","2","5","2","1") = "6"
    & skf21("6","7","1","6","2","5","3","1") = "6"
    & skf21("6","7","1","6","2","5","4","1") = "6"
    & skf21("6","7","1","6","2","5","5","1") = "6"
    & skf21("6","7","1","6","2","5","6","1") = "6"
    & skf21("6","7","1","6","2","5","7","1") = "6"
    & skf21("6","7","1","6","2","6","1","1") = "6"
    & skf21("6","7","1","6","2","6","2","1") = "6"
    & skf21("6","7","1","6","2","6","3","1") = "6"
    & skf21("6","7","1","6","2","6","4","1") = "6"
    & skf21("6","7","1","6","2","6","5","1") = "6"
    & skf21("6","7","1","6","2","6","6","1") = "6"
    & skf21("6","7","1","6","2","6","7","1") = "6"
    & skf21("6","7","1","6","2","7","1","1") = "6"
    & skf21("6","7","1","6","2","7","2","1") = "6"
    & skf21("6","7","1","6","2","7","3","1") = "6"
    & skf21("6","7","1","6","2","7","4","1") = "6"
    & skf21("6","7","1","6","2","7","5","1") = "6"
    & skf21("6","7","1","6","2","7","6","1") = "6"
    & skf21("6","7","1","6","2","7","7","1") = "6"
    & skf21("6","7","1","6","3","1","1","1") = "6"
    & skf21("6","7","1","6","3","1","2","1") = "6"
    & skf21("6","7","1","6","3","1","3","1") = "6"
    & skf21("6","7","1","6","3","1","4","1") = "6"
    & skf21("6","7","1","6","3","1","5","1") = "6"
    & skf21("6","7","1","6","3","1","6","1") = "6"
    & skf21("6","7","1","6","3","1","7","1") = "6"
    & skf21("6","7","1","6","3","2","1","1") = "6"
    & skf21("6","7","1","6","3","2","2","1") = "6"
    & skf21("6","7","1","6","3","2","3","1") = "6"
    & skf21("6","7","1","6","3","2","4","1") = "6"
    & skf21("6","7","1","6","3","2","5","1") = "6"
    & skf21("6","7","1","6","3","2","6","1") = "6"
    & skf21("6","7","1","6","3","2","7","1") = "6"
    & skf21("6","7","1","6","3","3","1","1") = "6"
    & skf21("6","7","1","6","3","3","2","1") = "6"
    & skf21("6","7","1","6","3","3","3","1") = "6"
    & skf21("6","7","1","6","3","3","4","1") = "6"
    & skf21("6","7","1","6","3","3","5","1") = "6"
    & skf21("6","7","1","6","3","3","6","1") = "6"
    & skf21("6","7","1","6","3","3","7","1") = "6"
    & skf21("6","7","1","6","3","4","1","1") = "6"
    & skf21("6","7","1","6","3","4","2","1") = "6"
    & skf21("6","7","1","6","3","4","3","1") = "6"
    & skf21("6","7","1","6","3","4","4","1") = "6"
    & skf21("6","7","1","6","3","4","5","1") = "6"
    & skf21("6","7","1","6","3","4","6","1") = "6"
    & skf21("6","7","1","6","3","4","7","1") = "6"
    & skf21("6","7","1","6","3","5","1","1") = "6"
    & skf21("6","7","1","6","3","5","2","1") = "6"
    & skf21("6","7","1","6","3","5","3","1") = "6"
    & skf21("6","7","1","6","3","5","4","1") = "6"
    & skf21("6","7","1","6","3","5","5","1") = "6"
    & skf21("6","7","1","6","3","5","6","1") = "6"
    & skf21("6","7","1","6","3","5","7","1") = "6"
    & skf21("6","7","1","6","3","6","1","1") = "6"
    & skf21("6","7","1","6","3","6","2","1") = "6"
    & skf21("6","7","1","6","3","6","3","1") = "6"
    & skf21("6","7","1","6","3","6","4","1") = "6"
    & skf21("6","7","1","6","3","6","5","1") = "6"
    & skf21("6","7","1","6","3","6","6","1") = "6"
    & skf21("6","7","1","6","3","6","7","1") = "6"
    & skf21("6","7","1","6","3","7","1","1") = "6"
    & skf21("6","7","1","6","3","7","2","1") = "6"
    & skf21("6","7","1","6","3","7","3","1") = "6"
    & skf21("6","7","1","6","3","7","4","1") = "6"
    & skf21("6","7","1","6","3","7","5","1") = "6"
    & skf21("6","7","1","6","3","7","6","1") = "6"
    & skf21("6","7","1","6","3","7","7","1") = "6"
    & skf21("6","7","1","6","4","1","1","1") = "6"
    & skf21("6","7","1","6","4","1","2","1") = "6"
    & skf21("6","7","1","6","4","1","3","1") = "6"
    & skf21("6","7","1","6","4","1","4","1") = "6"
    & skf21("6","7","1","6","4","1","5","1") = "6"
    & skf21("6","7","1","6","4","1","6","1") = "6"
    & skf21("6","7","1","6","4","1","7","1") = "6"
    & skf21("6","7","1","6","4","2","1","1") = "6"
    & skf21("6","7","1","6","4","2","2","1") = "6"
    & skf21("6","7","1","6","4","2","3","1") = "6"
    & skf21("6","7","1","6","4","2","4","1") = "6"
    & skf21("6","7","1","6","4","2","5","1") = "6"
    & skf21("6","7","1","6","4","2","6","1") = "6"
    & skf21("6","7","1","6","4","2","7","1") = "6"
    & skf21("6","7","1","6","4","3","1","1") = "6"
    & skf21("6","7","1","6","4","3","2","1") = "6"
    & skf21("6","7","1","6","4","3","3","1") = "6"
    & skf21("6","7","1","6","4","3","4","1") = "6"
    & skf21("6","7","1","6","4","3","5","1") = "6"
    & skf21("6","7","1","6","4","3","6","1") = "6"
    & skf21("6","7","1","6","4","3","7","1") = "6"
    & skf21("6","7","1","6","4","4","1","1") = "6"
    & skf21("6","7","1","6","4","4","2","1") = "6"
    & skf21("6","7","1","6","4","4","3","1") = "6"
    & skf21("6","7","1","6","4","4","4","1") = "6"
    & skf21("6","7","1","6","4","4","5","1") = "6"
    & skf21("6","7","1","6","4","4","6","1") = "6"
    & skf21("6","7","1","6","4","4","7","1") = "6"
    & skf21("6","7","1","6","4","5","1","1") = "6"
    & skf21("6","7","1","6","4","5","2","1") = "6"
    & skf21("6","7","1","6","4","5","3","1") = "6"
    & skf21("6","7","1","6","4","5","4","1") = "6"
    & skf21("6","7","1","6","4","5","5","1") = "6"
    & skf21("6","7","1","6","4","5","6","1") = "6"
    & skf21("6","7","1","6","4","5","7","1") = "6"
    & skf21("6","7","1","6","4","6","1","1") = "6"
    & skf21("6","7","1","6","4","6","2","1") = "6"
    & skf21("6","7","1","6","4","6","3","1") = "6"
    & skf21("6","7","1","6","4","6","4","1") = "6"
    & skf21("6","7","1","6","4","6","5","1") = "6"
    & skf21("6","7","1","6","4","6","6","1") = "6"
    & skf21("6","7","1","6","4","6","7","1") = "6"
    & skf21("6","7","1","6","4","7","1","1") = "6"
    & skf21("6","7","1","6","4","7","2","1") = "6"
    & skf21("6","7","1","6","4","7","3","1") = "6"
    & skf21("6","7","1","6","4","7","4","1") = "6"
    & skf21("6","7","1","6","4","7","5","1") = "6"
    & skf21("6","7","1","6","4","7","6","1") = "6"
    & skf21("6","7","1","6","4","7","7","1") = "6"
    & skf21("6","7","1","6","5","1","1","1") = "6"
    & skf21("6","7","1","6","5","1","2","1") = "6"
    & skf21("6","7","1","6","5","1","3","1") = "6"
    & skf21("6","7","1","6","5","1","4","1") = "6"
    & skf21("6","7","1","6","5","1","5","1") = "6"
    & skf21("6","7","1","6","5","1","6","1") = "6"
    & skf21("6","7","1","6","5","1","7","1") = "6"
    & skf21("6","7","1","6","5","2","1","1") = "6"
    & skf21("6","7","1","6","5","2","2","1") = "6"
    & skf21("6","7","1","6","5","2","3","1") = "6"
    & skf21("6","7","1","6","5","2","4","1") = "6"
    & skf21("6","7","1","6","5","2","5","1") = "6"
    & skf21("6","7","1","6","5","2","6","1") = "6"
    & skf21("6","7","1","6","5","2","7","1") = "6"
    & skf21("6","7","1","6","5","3","1","1") = "6"
    & skf21("6","7","1","6","5","3","2","1") = "6"
    & skf21("6","7","1","6","5","3","3","1") = "6"
    & skf21("6","7","1","6","5","3","4","1") = "6"
    & skf21("6","7","1","6","5","3","5","1") = "6"
    & skf21("6","7","1","6","5","3","6","1") = "6"
    & skf21("6","7","1","6","5","3","7","1") = "6"
    & skf21("6","7","1","6","5","4","1","1") = "6"
    & skf21("6","7","1","6","5","4","2","1") = "6"
    & skf21("6","7","1","6","5","4","3","1") = "6"
    & skf21("6","7","1","6","5","4","4","1") = "6"
    & skf21("6","7","1","6","5","4","5","1") = "6"
    & skf21("6","7","1","6","5","4","6","1") = "6"
    & skf21("6","7","1","6","5","4","7","1") = "6"
    & skf21("6","7","1","6","5","5","1","1") = "6"
    & skf21("6","7","1","6","5","5","2","1") = "6"
    & skf21("6","7","1","6","5","5","3","1") = "6"
    & skf21("6","7","1","6","5","5","4","1") = "6"
    & skf21("6","7","1","6","5","5","5","1") = "6"
    & skf21("6","7","1","6","5","5","6","1") = "6"
    & skf21("6","7","1","6","5","5","7","1") = "6"
    & skf21("6","7","1","6","5","6","1","1") = "6"
    & skf21("6","7","1","6","5","6","2","1") = "6"
    & skf21("6","7","1","6","5","6","3","1") = "6"
    & skf21("6","7","1","6","5","6","4","1") = "6"
    & skf21("6","7","1","6","5","6","5","1") = "6"
    & skf21("6","7","1","6","5","6","6","1") = "6"
    & skf21("6","7","1","6","5","6","7","1") = "6"
    & skf21("6","7","1","6","5","7","1","1") = "6"
    & skf21("6","7","1","6","5","7","2","1") = "6"
    & skf21("6","7","1","6","5","7","3","1") = "6"
    & skf21("6","7","1","6","5","7","4","1") = "6"
    & skf21("6","7","1","6","5","7","5","1") = "6"
    & skf21("6","7","1","6","5","7","6","1") = "6"
    & skf21("6","7","1","6","5","7","7","1") = "6"
    & skf21("6","7","1","6","6","1","1","1") = "6"
    & skf21("6","7","1","6","6","1","2","1") = "6"
    & skf21("6","7","1","6","6","1","3","1") = "6"
    & skf21("6","7","1","6","6","1","4","1") = "6"
    & skf21("6","7","1","6","6","1","5","1") = "6"
    & skf21("6","7","1","6","6","1","6","1") = "6"
    & skf21("6","7","1","6","6","1","7","1") = "6"
    & skf21("6","7","1","6","6","2","1","1") = "6"
    & skf21("6","7","1","6","6","2","2","1") = "6"
    & skf21("6","7","1","6","6","2","3","1") = "6"
    & skf21("6","7","1","6","6","2","4","1") = "6"
    & skf21("6","7","1","6","6","2","5","1") = "6"
    & skf21("6","7","1","6","6","2","6","1") = "6"
    & skf21("6","7","1","6","6","2","7","1") = "6"
    & skf21("6","7","1","6","6","3","1","1") = "6"
    & skf21("6","7","1","6","6","3","2","1") = "6"
    & skf21("6","7","1","6","6","3","3","1") = "6"
    & skf21("6","7","1","6","6","3","4","1") = "6"
    & skf21("6","7","1","6","6","3","5","1") = "6"
    & skf21("6","7","1","6","6","3","6","1") = "6"
    & skf21("6","7","1","6","6","3","7","1") = "6"
    & skf21("6","7","1","6","6","4","1","1") = "6"
    & skf21("6","7","1","6","6","4","2","1") = "6"
    & skf21("6","7","1","6","6","4","3","1") = "6"
    & skf21("6","7","1","6","6","4","4","1") = "6"
    & skf21("6","7","1","6","6","4","5","1") = "6"
    & skf21("6","7","1","6","6","4","6","1") = "6"
    & skf21("6","7","1","6","6","4","7","1") = "6"
    & skf21("6","7","1","6","6","5","1","1") = "6"
    & skf21("6","7","1","6","6","5","2","1") = "6"
    & skf21("6","7","1","6","6","5","3","1") = "6"
    & skf21("6","7","1","6","6","5","4","1") = "6"
    & skf21("6","7","1","6","6","5","5","1") = "6"
    & skf21("6","7","1","6","6","5","6","1") = "6"
    & skf21("6","7","1","6","6","5","7","1") = "6"
    & skf21("6","7","1","6","6","6","1","1") = "6"
    & skf21("6","7","1","6","6","6","2","1") = "6"
    & skf21("6","7","1","6","6","6","3","1") = "6"
    & skf21("6","7","1","6","6","6","4","1") = "6"
    & skf21("6","7","1","6","6","6","5","1") = "6"
    & skf21("6","7","1","6","6","6","6","1") = "6"
    & skf21("6","7","1","6","6","6","7","1") = "6"
    & skf21("6","7","1","6","6","7","1","1") = "6"
    & skf21("6","7","1","6","6","7","2","1") = "6"
    & skf21("6","7","1","6","6","7","3","1") = "6"
    & skf21("6","7","1","6","6","7","4","1") = "6"
    & skf21("6","7","1","6","6","7","5","1") = "6"
    & skf21("6","7","1","6","6","7","6","1") = "6"
    & skf21("6","7","1","6","6","7","7","1") = "6"
    & skf21("6","7","1","6","7","1","1","1") = "6"
    & skf21("6","7","1","6","7","1","2","1") = "6"
    & skf21("6","7","1","6","7","1","3","1") = "6"
    & skf21("6","7","1","6","7","1","4","1") = "6"
    & skf21("6","7","1","6","7","1","5","1") = "6"
    & skf21("6","7","1","6","7","1","6","1") = "6"
    & skf21("6","7","1","6","7","1","7","1") = "6"
    & skf21("6","7","1","6","7","2","1","1") = "6"
    & skf21("6","7","1","6","7","2","2","1") = "6"
    & skf21("6","7","1","6","7","2","3","1") = "6"
    & skf21("6","7","1","6","7","2","4","1") = "6"
    & skf21("6","7","1","6","7","2","5","1") = "6"
    & skf21("6","7","1","6","7","2","6","1") = "6"
    & skf21("6","7","1","6","7","2","7","1") = "6"
    & skf21("6","7","1","6","7","3","1","1") = "6"
    & skf21("6","7","1","6","7","3","2","1") = "6"
    & skf21("6","7","1","6","7","3","3","1") = "6"
    & skf21("6","7","1","6","7","3","4","1") = "6"
    & skf21("6","7","1","6","7","3","5","1") = "6"
    & skf21("6","7","1","6","7","3","6","1") = "6"
    & skf21("6","7","1","6","7","3","7","1") = "6"
    & skf21("6","7","1","6","7","4","1","1") = "6"
    & skf21("6","7","1","6","7","4","2","1") = "6"
    & skf21("6","7","1","6","7","4","3","1") = "6"
    & skf21("6","7","1","6","7","4","4","1") = "6"
    & skf21("6","7","1","6","7","4","5","1") = "6"
    & skf21("6","7","1","6","7","4","6","1") = "6"
    & skf21("6","7","1","6","7","4","7","1") = "6"
    & skf21("6","7","1","6","7","5","1","1") = "6"
    & skf21("6","7","1","6","7","5","2","1") = "6"
    & skf21("6","7","1","6","7","5","3","1") = "6"
    & skf21("6","7","1","6","7","5","4","1") = "6"
    & skf21("6","7","1","6","7","5","5","1") = "6"
    & skf21("6","7","1","6","7","5","6","1") = "6"
    & skf21("6","7","1","6","7","5","7","1") = "6"
    & skf21("6","7","1","6","7","6","1","1") = "6"
    & skf21("6","7","1","6","7","6","2","1") = "6"
    & skf21("6","7","1","6","7","6","3","1") = "6"
    & skf21("6","7","1","6","7","6","4","1") = "6"
    & skf21("6","7","1","6","7","6","5","1") = "6"
    & skf21("6","7","1","6","7","6","6","1") = "6"
    & skf21("6","7","1","6","7","6","7","1") = "6"
    & skf21("6","7","1","6","7","7","1","1") = "6"
    & skf21("6","7","1","6","7","7","2","1") = "6"
    & skf21("6","7","1","6","7","7","3","1") = "6"
    & skf21("6","7","1","6","7","7","4","1") = "6"
    & skf21("6","7","1","6","7","7","5","1") = "6"
    & skf21("6","7","1","6","7","7","6","1") = "6"
    & skf21("6","7","1","6","7","7","7","1") = "6"
    & skf21("6","7","1","7","1","1","1","1") = "6"
    & skf21("6","7","1","7","1","1","2","1") = "6"
    & skf21("6","7","1","7","1","1","3","1") = "6"
    & skf21("6","7","1","7","1","1","4","1") = "6"
    & skf21("6","7","1","7","1","1","5","1") = "6"
    & skf21("6","7","1","7","1","1","6","1") = "6"
    & skf21("6","7","1","7","1","1","7","1") = "6"
    & skf21("6","7","1","7","1","2","1","1") = "6"
    & skf21("6","7","1","7","1","2","2","1") = "6"
    & skf21("6","7","1","7","1","2","3","1") = "6"
    & skf21("6","7","1","7","1","2","4","1") = "6"
    & skf21("6","7","1","7","1","2","5","1") = "6"
    & skf21("6","7","1","7","1","2","6","1") = "6"
    & skf21("6","7","1","7","1","2","7","1") = "6"
    & skf21("6","7","1","7","1","3","1","1") = "6"
    & skf21("6","7","1","7","1","3","2","1") = "6"
    & skf21("6","7","1","7","1","3","3","1") = "6"
    & skf21("6","7","1","7","1","3","4","1") = "6"
    & skf21("6","7","1","7","1","3","5","1") = "6"
    & skf21("6","7","1","7","1","3","6","1") = "6"
    & skf21("6","7","1","7","1","3","7","1") = "6"
    & skf21("6","7","1","7","1","4","1","1") = "6"
    & skf21("6","7","1","7","1","4","2","1") = "6"
    & skf21("6","7","1","7","1","4","3","1") = "6"
    & skf21("6","7","1","7","1","4","4","1") = "6"
    & skf21("6","7","1","7","1","4","5","1") = "6"
    & skf21("6","7","1","7","1","4","6","1") = "6"
    & skf21("6","7","1","7","1","4","7","1") = "6"
    & skf21("6","7","1","7","1","5","1","1") = "6"
    & skf21("6","7","1","7","1","5","2","1") = "6"
    & skf21("6","7","1","7","1","5","3","1") = "6"
    & skf21("6","7","1","7","1","5","4","1") = "6"
    & skf21("6","7","1","7","1","5","5","1") = "6"
    & skf21("6","7","1","7","1","5","6","1") = "6"
    & skf21("6","7","1","7","1","5","7","1") = "6"
    & skf21("6","7","1","7","1","6","1","1") = "6"
    & skf21("6","7","1","7","1","6","2","1") = "6"
    & skf21("6","7","1","7","1","6","3","1") = "6"
    & skf21("6","7","1","7","1","6","4","1") = "6"
    & skf21("6","7","1","7","1","6","5","1") = "6"
    & skf21("6","7","1","7","1","6","6","1") = "6"
    & skf21("6","7","1","7","1","6","7","1") = "6"
    & skf21("6","7","1","7","1","7","1","1") = "6"
    & skf21("6","7","1","7","1","7","2","1") = "6"
    & skf21("6","7","1","7","1","7","3","1") = "6"
    & skf21("6","7","1","7","1","7","4","1") = "6"
    & skf21("6","7","1","7","1","7","5","1") = "6"
    & skf21("6","7","1","7","1","7","6","1") = "6"
    & skf21("6","7","1","7","1","7","7","1") = "6"
    & skf21("6","7","1","7","2","1","1","1") = "6"
    & skf21("6","7","1","7","2","1","2","1") = "6"
    & skf21("6","7","1","7","2","1","3","1") = "6"
    & skf21("6","7","1","7","2","1","4","1") = "6"
    & skf21("6","7","1","7","2","1","5","1") = "6"
    & skf21("6","7","1","7","2","1","6","1") = "6"
    & skf21("6","7","1","7","2","1","7","1") = "6"
    & skf21("6","7","1","7","2","2","1","1") = "6"
    & skf21("6","7","1","7","2","2","2","1") = "6"
    & skf21("6","7","1","7","2","2","3","1") = "6"
    & skf21("6","7","1","7","2","2","4","1") = "6"
    & skf21("6","7","1","7","2","2","5","1") = "6"
    & skf21("6","7","1","7","2","2","6","1") = "6"
    & skf21("6","7","1","7","2","2","7","1") = "6"
    & skf21("6","7","1","7","2","3","1","1") = "6"
    & skf21("6","7","1","7","2","3","2","1") = "6"
    & skf21("6","7","1","7","2","3","3","1") = "6"
    & skf21("6","7","1","7","2","3","4","1") = "6"
    & skf21("6","7","1","7","2","3","5","1") = "6"
    & skf21("6","7","1","7","2","3","6","1") = "6"
    & skf21("6","7","1","7","2","3","7","1") = "6"
    & skf21("6","7","1","7","2","4","1","1") = "6"
    & skf21("6","7","1","7","2","4","2","1") = "6"
    & skf21("6","7","1","7","2","4","3","1") = "6"
    & skf21("6","7","1","7","2","4","4","1") = "6"
    & skf21("6","7","1","7","2","4","5","1") = "6"
    & skf21("6","7","1","7","2","4","6","1") = "6"
    & skf21("6","7","1","7","2","4","7","1") = "6"
    & skf21("6","7","1","7","2","5","1","1") = "6"
    & skf21("6","7","1","7","2","5","2","1") = "6"
    & skf21("6","7","1","7","2","5","3","1") = "6"
    & skf21("6","7","1","7","2","5","4","1") = "6"
    & skf21("6","7","1","7","2","5","5","1") = "6"
    & skf21("6","7","1","7","2","5","6","1") = "6"
    & skf21("6","7","1","7","2","5","7","1") = "6"
    & skf21("6","7","1","7","2","6","1","1") = "6"
    & skf21("6","7","1","7","2","6","2","1") = "6"
    & skf21("6","7","1","7","2","6","3","1") = "6"
    & skf21("6","7","1","7","2","6","4","1") = "6"
    & skf21("6","7","1","7","2","6","5","1") = "6"
    & skf21("6","7","1","7","2","6","6","1") = "6"
    & skf21("6","7","1","7","2","6","7","1") = "6"
    & skf21("6","7","1","7","2","7","1","1") = "6"
    & skf21("6","7","1","7","2","7","2","1") = "6"
    & skf21("6","7","1","7","2","7","3","1") = "6"
    & skf21("6","7","1","7","2","7","4","1") = "6"
    & skf21("6","7","1","7","2","7","5","1") = "6"
    & skf21("6","7","1","7","2","7","6","1") = "6"
    & skf21("6","7","1","7","2","7","7","1") = "6"
    & skf21("6","7","1","7","3","1","1","1") = "6"
    & skf21("6","7","1","7","3","1","2","1") = "6"
    & skf21("6","7","1","7","3","1","3","1") = "6"
    & skf21("6","7","1","7","3","1","4","1") = "6"
    & skf21("6","7","1","7","3","1","5","1") = "6"
    & skf21("6","7","1","7","3","1","6","1") = "6"
    & skf21("6","7","1","7","3","1","7","1") = "6"
    & skf21("6","7","1","7","3","2","1","1") = "6"
    & skf21("6","7","1","7","3","2","2","1") = "6"
    & skf21("6","7","1","7","3","2","3","1") = "6"
    & skf21("6","7","1","7","3","2","4","1") = "6"
    & skf21("6","7","1","7","3","2","5","1") = "6"
    & skf21("6","7","1","7","3","2","6","1") = "6"
    & skf21("6","7","1","7","3","2","7","1") = "6"
    & skf21("6","7","1","7","3","3","1","1") = "6"
    & skf21("6","7","1","7","3","3","2","1") = "6"
    & skf21("6","7","1","7","3","3","3","1") = "6"
    & skf21("6","7","1","7","3","3","4","1") = "6"
    & skf21("6","7","1","7","3","3","5","1") = "6"
    & skf21("6","7","1","7","3","3","6","1") = "6"
    & skf21("6","7","1","7","3","3","7","1") = "6"
    & skf21("6","7","1","7","3","4","1","1") = "6"
    & skf21("6","7","1","7","3","4","2","1") = "6"
    & skf21("6","7","1","7","3","4","3","1") = "6"
    & skf21("6","7","1","7","3","4","4","1") = "6"
    & skf21("6","7","1","7","3","4","5","1") = "6"
    & skf21("6","7","1","7","3","4","6","1") = "6"
    & skf21("6","7","1","7","3","4","7","1") = "6"
    & skf21("6","7","1","7","3","5","1","1") = "6"
    & skf21("6","7","1","7","3","5","2","1") = "6"
    & skf21("6","7","1","7","3","5","3","1") = "6"
    & skf21("6","7","1","7","3","5","4","1") = "6"
    & skf21("6","7","1","7","3","5","5","1") = "6"
    & skf21("6","7","1","7","3","5","6","1") = "6"
    & skf21("6","7","1","7","3","5","7","1") = "6"
    & skf21("6","7","1","7","3","6","1","1") = "6"
    & skf21("6","7","1","7","3","6","2","1") = "6"
    & skf21("6","7","1","7","3","6","3","1") = "6"
    & skf21("6","7","1","7","3","6","4","1") = "6"
    & skf21("6","7","1","7","3","6","5","1") = "6"
    & skf21("6","7","1","7","3","6","6","1") = "6"
    & skf21("6","7","1","7","3","6","7","1") = "6"
    & skf21("6","7","1","7","3","7","1","1") = "6"
    & skf21("6","7","1","7","3","7","2","1") = "6"
    & skf21("6","7","1","7","3","7","3","1") = "6"
    & skf21("6","7","1","7","3","7","4","1") = "6"
    & skf21("6","7","1","7","3","7","5","1") = "6"
    & skf21("6","7","1","7","3","7","6","1") = "6"
    & skf21("6","7","1","7","3","7","7","1") = "6"
    & skf21("6","7","1","7","4","1","1","1") = "6"
    & skf21("6","7","1","7","4","1","2","1") = "6"
    & skf21("6","7","1","7","4","1","3","1") = "6"
    & skf21("6","7","1","7","4","1","4","1") = "6"
    & skf21("6","7","1","7","4","1","5","1") = "6"
    & skf21("6","7","1","7","4","1","6","1") = "6"
    & skf21("6","7","1","7","4","1","7","1") = "6"
    & skf21("6","7","1","7","4","2","1","1") = "6"
    & skf21("6","7","1","7","4","2","2","1") = "6"
    & skf21("6","7","1","7","4","2","3","1") = "6"
    & skf21("6","7","1","7","4","2","4","1") = "6"
    & skf21("6","7","1","7","4","2","5","1") = "6"
    & skf21("6","7","1","7","4","2","6","1") = "6"
    & skf21("6","7","1","7","4","2","7","1") = "6"
    & skf21("6","7","1","7","4","3","1","1") = "6"
    & skf21("6","7","1","7","4","3","2","1") = "6"
    & skf21("6","7","1","7","4","3","3","1") = "6"
    & skf21("6","7","1","7","4","3","4","1") = "6"
    & skf21("6","7","1","7","4","3","5","1") = "6"
    & skf21("6","7","1","7","4","3","6","1") = "6"
    & skf21("6","7","1","7","4","3","7","1") = "6"
    & skf21("6","7","1","7","4","4","1","1") = "6"
    & skf21("6","7","1","7","4","4","2","1") = "6"
    & skf21("6","7","1","7","4","4","3","1") = "6"
    & skf21("6","7","1","7","4","4","4","1") = "6"
    & skf21("6","7","1","7","4","4","5","1") = "6"
    & skf21("6","7","1","7","4","4","6","1") = "6"
    & skf21("6","7","1","7","4","4","7","1") = "6"
    & skf21("6","7","1","7","4","5","1","1") = "6"
    & skf21("6","7","1","7","4","5","2","1") = "6"
    & skf21("6","7","1","7","4","5","3","1") = "6"
    & skf21("6","7","1","7","4","5","4","1") = "6"
    & skf21("6","7","1","7","4","5","5","1") = "6"
    & skf21("6","7","1","7","4","5","6","1") = "6"
    & skf21("6","7","1","7","4","5","7","1") = "6"
    & skf21("6","7","1","7","4","6","1","1") = "6"
    & skf21("6","7","1","7","4","6","2","1") = "6"
    & skf21("6","7","1","7","4","6","3","1") = "6"
    & skf21("6","7","1","7","4","6","4","1") = "6"
    & skf21("6","7","1","7","4","6","5","1") = "6"
    & skf21("6","7","1","7","4","6","6","1") = "6"
    & skf21("6","7","1","7","4","6","7","1") = "6"
    & skf21("6","7","1","7","4","7","1","1") = "6"
    & skf21("6","7","1","7","4","7","2","1") = "6"
    & skf21("6","7","1","7","4","7","3","1") = "6"
    & skf21("6","7","1","7","4","7","4","1") = "6"
    & skf21("6","7","1","7","4","7","5","1") = "6"
    & skf21("6","7","1","7","4","7","6","1") = "6"
    & skf21("6","7","1","7","4","7","7","1") = "6"
    & skf21("6","7","1","7","5","1","1","1") = "6"
    & skf21("6","7","1","7","5","1","2","1") = "6"
    & skf21("6","7","1","7","5","1","3","1") = "6"
    & skf21("6","7","1","7","5","1","4","1") = "6"
    & skf21("6","7","1","7","5","1","5","1") = "6"
    & skf21("6","7","1","7","5","1","6","1") = "6"
    & skf21("6","7","1","7","5","1","7","1") = "6"
    & skf21("6","7","1","7","5","2","1","1") = "6"
    & skf21("6","7","1","7","5","2","2","1") = "6"
    & skf21("6","7","1","7","5","2","3","1") = "6"
    & skf21("6","7","1","7","5","2","4","1") = "6"
    & skf21("6","7","1","7","5","2","5","1") = "6"
    & skf21("6","7","1","7","5","2","6","1") = "6"
    & skf21("6","7","1","7","5","2","7","1") = "6"
    & skf21("6","7","1","7","5","3","1","1") = "6"
    & skf21("6","7","1","7","5","3","2","1") = "6"
    & skf21("6","7","1","7","5","3","3","1") = "6"
    & skf21("6","7","1","7","5","3","4","1") = "6"
    & skf21("6","7","1","7","5","3","5","1") = "6"
    & skf21("6","7","1","7","5","3","6","1") = "6"
    & skf21("6","7","1","7","5","3","7","1") = "6"
    & skf21("6","7","1","7","5","4","1","1") = "6"
    & skf21("6","7","1","7","5","4","2","1") = "6"
    & skf21("6","7","1","7","5","4","3","1") = "6"
    & skf21("6","7","1","7","5","4","4","1") = "6"
    & skf21("6","7","1","7","5","4","5","1") = "6"
    & skf21("6","7","1","7","5","4","6","1") = "6"
    & skf21("6","7","1","7","5","4","7","1") = "6"
    & skf21("6","7","1","7","5","5","1","1") = "6"
    & skf21("6","7","1","7","5","5","2","1") = "6"
    & skf21("6","7","1","7","5","5","3","1") = "6"
    & skf21("6","7","1","7","5","5","4","1") = "6"
    & skf21("6","7","1","7","5","5","5","1") = "6"
    & skf21("6","7","1","7","5","5","6","1") = "6"
    & skf21("6","7","1","7","5","5","7","1") = "6"
    & skf21("6","7","1","7","5","6","1","1") = "6"
    & skf21("6","7","1","7","5","6","2","1") = "6"
    & skf21("6","7","1","7","5","6","3","1") = "6"
    & skf21("6","7","1","7","5","6","4","1") = "6"
    & skf21("6","7","1","7","5","6","5","1") = "6"
    & skf21("6","7","1","7","5","6","6","1") = "6"
    & skf21("6","7","1","7","5","6","7","1") = "6"
    & skf21("6","7","1","7","5","7","1","1") = "6"
    & skf21("6","7","1","7","5","7","2","1") = "6"
    & skf21("6","7","1","7","5","7","3","1") = "6"
    & skf21("6","7","1","7","5","7","4","1") = "6"
    & skf21("6","7","1","7","5","7","5","1") = "6"
    & skf21("6","7","1","7","5","7","6","1") = "6"
    & skf21("6","7","1","7","5","7","7","1") = "6"
    & skf21("6","7","1","7","6","1","1","1") = "6"
    & skf21("6","7","1","7","6","1","2","1") = "6"
    & skf21("6","7","1","7","6","1","3","1") = "6"
    & skf21("6","7","1","7","6","1","4","1") = "6"
    & skf21("6","7","1","7","6","1","5","1") = "6"
    & skf21("6","7","1","7","6","1","6","1") = "6"
    & skf21("6","7","1","7","6","1","7","1") = "6"
    & skf21("6","7","1","7","6","2","1","1") = "6"
    & skf21("6","7","1","7","6","2","2","1") = "6"
    & skf21("6","7","1","7","6","2","3","1") = "6"
    & skf21("6","7","1","7","6","2","4","1") = "6"
    & skf21("6","7","1","7","6","2","5","1") = "6"
    & skf21("6","7","1","7","6","2","6","1") = "6"
    & skf21("6","7","1","7","6","2","7","1") = "6"
    & skf21("6","7","1","7","6","3","1","1") = "6"
    & skf21("6","7","1","7","6","3","2","1") = "6"
    & skf21("6","7","1","7","6","3","3","1") = "6"
    & skf21("6","7","1","7","6","3","4","1") = "6"
    & skf21("6","7","1","7","6","3","5","1") = "6"
    & skf21("6","7","1","7","6","3","6","1") = "6"
    & skf21("6","7","1","7","6","3","7","1") = "6"
    & skf21("6","7","1","7","6","4","1","1") = "6"
    & skf21("6","7","1","7","6","4","2","1") = "6"
    & skf21("6","7","1","7","6","4","3","1") = "6"
    & skf21("6","7","1","7","6","4","4","1") = "6"
    & skf21("6","7","1","7","6","4","5","1") = "6"
    & skf21("6","7","1","7","6","4","6","1") = "6"
    & skf21("6","7","1","7","6","4","7","1") = "6"
    & skf21("6","7","1","7","6","5","1","1") = "6"
    & skf21("6","7","1","7","6","5","2","1") = "6"
    & skf21("6","7","1","7","6","5","3","1") = "6"
    & skf21("6","7","1","7","6","5","4","1") = "6"
    & skf21("6","7","1","7","6","5","5","1") = "6"
    & skf21("6","7","1","7","6","5","6","1") = "6"
    & skf21("6","7","1","7","6","5","7","1") = "6"
    & skf21("6","7","1","7","6","6","1","1") = "6"
    & skf21("6","7","1","7","6","6","2","1") = "6"
    & skf21("6","7","1","7","6","6","3","1") = "6"
    & skf21("6","7","1","7","6","6","4","1") = "6"
    & skf21("6","7","1","7","6","6","5","1") = "6"
    & skf21("6","7","1","7","6","6","6","1") = "6"
    & skf21("6","7","1","7","6","6","7","1") = "6"
    & skf21("6","7","1","7","6","7","1","1") = "6"
    & skf21("6","7","1","7","6","7","2","1") = "6"
    & skf21("6","7","1","7","6","7","3","1") = "6"
    & skf21("6","7","1","7","6","7","4","1") = "6"
    & skf21("6","7","1","7","6","7","5","1") = "6"
    & skf21("6","7","1","7","6","7","6","1") = "6"
    & skf21("6","7","1","7","6","7","7","1") = "6"
    & skf21("6","7","1","7","7","1","1","1") = "6"
    & skf21("6","7","1","7","7","1","2","1") = "6"
    & skf21("6","7","1","7","7","1","3","1") = "6"
    & skf21("6","7","1","7","7","1","4","1") = "6"
    & skf21("6","7","1","7","7","1","5","1") = "6"
    & skf21("6","7","1","7","7","1","6","1") = "6"
    & skf21("6","7","1","7","7","1","7","1") = "6"
    & skf21("6","7","1","7","7","2","1","1") = "6"
    & skf21("6","7","1","7","7","2","2","1") = "6"
    & skf21("6","7","1","7","7","2","3","1") = "6"
    & skf21("6","7","1","7","7","2","4","1") = "6"
    & skf21("6","7","1","7","7","2","5","1") = "6"
    & skf21("6","7","1","7","7","2","6","1") = "6"
    & skf21("6","7","1","7","7","2","7","1") = "6"
    & skf21("6","7","1","7","7","3","1","1") = "6"
    & skf21("6","7","1","7","7","3","2","1") = "6"
    & skf21("6","7","1","7","7","3","3","1") = "6"
    & skf21("6","7","1","7","7","3","4","1") = "6"
    & skf21("6","7","1","7","7","3","5","1") = "6"
    & skf21("6","7","1","7","7","3","6","1") = "6"
    & skf21("6","7","1","7","7","3","7","1") = "6"
    & skf21("6","7","1","7","7","4","1","1") = "6"
    & skf21("6","7","1","7","7","4","2","1") = "6"
    & skf21("6","7","1","7","7","4","3","1") = "6"
    & skf21("6","7","1","7","7","4","4","1") = "6"
    & skf21("6","7","1","7","7","4","5","1") = "6"
    & skf21("6","7","1","7","7","4","6","1") = "6"
    & skf21("6","7","1","7","7","4","7","1") = "6"
    & skf21("6","7","1","7","7","5","1","1") = "6"
    & skf21("6","7","1","7","7","5","2","1") = "6"
    & skf21("6","7","1","7","7","5","3","1") = "6"
    & skf21("6","7","1","7","7","5","4","1") = "6"
    & skf21("6","7","1","7","7","5","5","1") = "6"
    & skf21("6","7","1","7","7","5","6","1") = "6"
    & skf21("6","7","1","7","7","5","7","1") = "6"
    & skf21("6","7","1","7","7","6","1","1") = "6"
    & skf21("6","7","1","7","7","6","2","1") = "6"
    & skf21("6","7","1","7","7","6","3","1") = "6"
    & skf21("6","7","1","7","7","6","4","1") = "6"
    & skf21("6","7","1","7","7","6","5","1") = "6"
    & skf21("6","7","1","7","7","6","6","1") = "6"
    & skf21("6","7","1","7","7","6","7","1") = "6"
    & skf21("6","7","1","7","7","7","1","1") = "6"
    & skf21("6","7","1","7","7","7","2","1") = "6"
    & skf21("6","7","1","7","7","7","3","1") = "6"
    & skf21("6","7","1","7","7","7","4","1") = "6"
    & skf21("6","7","1","7","7","7","5","1") = "6"
    & skf21("6","7","1","7","7","7","6","1") = "6"
    & skf21("6","7","1","7","7","7","7","1") = "6"
    & skf21("6","7","2","1","1","1","1","1") = "6"
    & skf21("6","7","2","1","1","1","2","1") = "6"
    & skf21("6","7","2","1","1","1","3","1") = "6"
    & skf21("6","7","2","1","1","1","4","1") = "6"
    & skf21("6","7","2","1","1","1","5","1") = "6"
    & skf21("6","7","2","1","1","1","6","1") = "6"
    & skf21("6","7","2","1","1","1","7","1") = "6"
    & skf21("6","7","2","1","1","2","1","1") = "6"
    & skf21("6","7","2","1","1","2","2","1") = "6"
    & skf21("6","7","2","1","1","2","3","1") = "6"
    & skf21("6","7","2","1","1","2","4","1") = "6"
    & skf21("6","7","2","1","1","2","5","1") = "6"
    & skf21("6","7","2","1","1","2","6","1") = "6"
    & skf21("6","7","2","1","1","2","7","1") = "6"
    & skf21("6","7","2","1","1","3","1","1") = "6"
    & skf21("6","7","2","1","1","3","2","1") = "6"
    & skf21("6","7","2","1","1","3","3","1") = "6"
    & skf21("6","7","2","1","1","3","4","1") = "6"
    & skf21("6","7","2","1","1","3","5","1") = "6"
    & skf21("6","7","2","1","1","3","6","1") = "6"
    & skf21("6","7","2","1","1","3","7","1") = "6"
    & skf21("6","7","2","1","1","4","1","1") = "6"
    & skf21("6","7","2","1","1","4","2","1") = "6"
    & skf21("6","7","2","1","1","4","3","1") = "6"
    & skf21("6","7","2","1","1","4","4","1") = "6"
    & skf21("6","7","2","1","1","4","5","1") = "6"
    & skf21("6","7","2","1","1","4","6","1") = "6"
    & skf21("6","7","2","1","1","4","7","1") = "6"
    & skf21("6","7","2","1","1","5","1","1") = "6"
    & skf21("6","7","2","1","1","5","2","1") = "6"
    & skf21("6","7","2","1","1","5","3","1") = "6"
    & skf21("6","7","2","1","1","5","4","1") = "6"
    & skf21("6","7","2","1","1","5","5","1") = "6"
    & skf21("6","7","2","1","1","5","6","1") = "6"
    & skf21("6","7","2","1","1","5","7","1") = "6"
    & skf21("6","7","2","1","1","6","1","1") = "6"
    & skf21("6","7","2","1","1","6","2","1") = "6"
    & skf21("6","7","2","1","1","6","3","1") = "6"
    & skf21("6","7","2","1","1","6","4","1") = "6"
    & skf21("6","7","2","1","1","6","5","1") = "6"
    & skf21("6","7","2","1","1","6","6","1") = "6"
    & skf21("6","7","2","1","1","6","7","1") = "6"
    & skf21("6","7","2","1","1","7","1","1") = "6"
    & skf21("6","7","2","1","1","7","2","1") = "6"
    & skf21("6","7","2","1","1","7","3","1") = "6"
    & skf21("6","7","2","1","1","7","4","1") = "6"
    & skf21("6","7","2","1","1","7","5","1") = "6"
    & skf21("6","7","2","1","1","7","6","1") = "6"
    & skf21("6","7","2","1","1","7","7","1") = "6"
    & skf21("6","7","2","1","2","1","1","1") = "6"
    & skf21("6","7","2","1","2","1","2","1") = "6"
    & skf21("6","7","2","1","2","1","3","1") = "6"
    & skf21("6","7","2","1","2","1","4","1") = "6"
    & skf21("6","7","2","1","2","1","5","1") = "6"
    & skf21("6","7","2","1","2","1","6","1") = "6"
    & skf21("6","7","2","1","2","1","7","1") = "6"
    & skf21("6","7","2","1","2","2","1","1") = "6"
    & skf21("6","7","2","1","2","2","2","1") = "6"
    & skf21("6","7","2","1","2","2","3","1") = "6"
    & skf21("6","7","2","1","2","2","4","1") = "6"
    & skf21("6","7","2","1","2","2","5","1") = "6"
    & skf21("6","7","2","1","2","2","6","1") = "6"
    & skf21("6","7","2","1","2","2","7","1") = "6"
    & skf21("6","7","2","1","2","3","1","1") = "6"
    & skf21("6","7","2","1","2","3","2","1") = "6"
    & skf21("6","7","2","1","2","3","3","1") = "6"
    & skf21("6","7","2","1","2","3","4","1") = "6"
    & skf21("6","7","2","1","2","3","5","1") = "6"
    & skf21("6","7","2","1","2","3","6","1") = "6"
    & skf21("6","7","2","1","2","3","7","1") = "6"
    & skf21("6","7","2","1","2","4","1","1") = "6"
    & skf21("6","7","2","1","2","4","2","1") = "6"
    & skf21("6","7","2","1","2","4","3","1") = "6"
    & skf21("6","7","2","1","2","4","4","1") = "6"
    & skf21("6","7","2","1","2","4","5","1") = "6"
    & skf21("6","7","2","1","2","4","6","1") = "6"
    & skf21("6","7","2","1","2","4","7","1") = "6"
    & skf21("6","7","2","1","2","5","1","1") = "6"
    & skf21("6","7","2","1","2","5","2","1") = "6"
    & skf21("6","7","2","1","2","5","3","1") = "6"
    & skf21("6","7","2","1","2","5","4","1") = "6"
    & skf21("6","7","2","1","2","5","5","1") = "6"
    & skf21("6","7","2","1","2","5","6","1") = "6"
    & skf21("6","7","2","1","2","5","7","1") = "6"
    & skf21("6","7","2","1","2","6","1","1") = "6"
    & skf21("6","7","2","1","2","6","2","1") = "6"
    & skf21("6","7","2","1","2","6","3","1") = "6"
    & skf21("6","7","2","1","2","6","4","1") = "6"
    & skf21("6","7","2","1","2","6","5","1") = "6"
    & skf21("6","7","2","1","2","6","6","1") = "6"
    & skf21("6","7","2","1","2","6","7","1") = "6"
    & skf21("6","7","2","1","2","7","1","1") = "6"
    & skf21("6","7","2","1","2","7","2","1") = "6"
    & skf21("6","7","2","1","2","7","3","1") = "6"
    & skf21("6","7","2","1","2","7","4","1") = "6"
    & skf21("6","7","2","1","2","7","5","1") = "6"
    & skf21("6","7","2","1","2","7","6","1") = "6"
    & skf21("6","7","2","1","2","7","7","1") = "6"
    & skf21("6","7","2","1","3","1","1","1") = "6"
    & skf21("6","7","2","1","3","1","2","1") = "6"
    & skf21("6","7","2","1","3","1","3","1") = "6"
    & skf21("6","7","2","1","3","1","4","1") = "6"
    & skf21("6","7","2","1","3","1","5","1") = "6"
    & skf21("6","7","2","1","3","1","6","1") = "6"
    & skf21("6","7","2","1","3","1","7","1") = "6"
    & skf21("6","7","2","1","3","2","1","1") = "6"
    & skf21("6","7","2","1","3","2","2","1") = "6"
    & skf21("6","7","2","1","3","2","3","1") = "6"
    & skf21("6","7","2","1","3","2","4","1") = "6"
    & skf21("6","7","2","1","3","2","5","1") = "6"
    & skf21("6","7","2","1","3","2","6","1") = "6"
    & skf21("6","7","2","1","3","2","7","1") = "6"
    & skf21("6","7","2","1","3","3","1","1") = "6"
    & skf21("6","7","2","1","3","3","2","1") = "6"
    & skf21("6","7","2","1","3","3","3","1") = "6"
    & skf21("6","7","2","1","3","3","4","1") = "6"
    & skf21("6","7","2","1","3","3","5","1") = "6"
    & skf21("6","7","2","1","3","3","6","1") = "6"
    & skf21("6","7","2","1","3","3","7","1") = "6"
    & skf21("6","7","2","1","3","4","1","1") = "6"
    & skf21("6","7","2","1","3","4","2","1") = "6"
    & skf21("6","7","2","1","3","4","3","1") = "6"
    & skf21("6","7","2","1","3","4","4","1") = "6"
    & skf21("6","7","2","1","3","4","5","1") = "6"
    & skf21("6","7","2","1","3","4","6","1") = "6"
    & skf21("6","7","2","1","3","4","7","1") = "6"
    & skf21("6","7","2","1","3","5","1","1") = "6"
    & skf21("6","7","2","1","3","5","2","1") = "6"
    & skf21("6","7","2","1","3","5","3","1") = "6"
    & skf21("6","7","2","1","3","5","4","1") = "6"
    & skf21("6","7","2","1","3","5","5","1") = "6"
    & skf21("6","7","2","1","3","5","6","1") = "6"
    & skf21("6","7","2","1","3","5","7","1") = "6"
    & skf21("6","7","2","1","3","6","1","1") = "6"
    & skf21("6","7","2","1","3","6","2","1") = "6"
    & skf21("6","7","2","1","3","6","3","1") = "6"
    & skf21("6","7","2","1","3","6","4","1") = "6"
    & skf21("6","7","2","1","3","6","5","1") = "6"
    & skf21("6","7","2","1","3","6","6","1") = "6"
    & skf21("6","7","2","1","3","6","7","1") = "6"
    & skf21("6","7","2","1","3","7","1","1") = "6"
    & skf21("6","7","2","1","3","7","2","1") = "6"
    & skf21("6","7","2","1","3","7","3","1") = "6"
    & skf21("6","7","2","1","3","7","4","1") = "6"
    & skf21("6","7","2","1","3","7","5","1") = "6"
    & skf21("6","7","2","1","3","7","6","1") = "6"
    & skf21("6","7","2","1","3","7","7","1") = "6"
    & skf21("6","7","2","1","4","1","1","1") = "6"
    & skf21("6","7","2","1","4","1","2","1") = "6"
    & skf21("6","7","2","1","4","1","3","1") = "6"
    & skf21("6","7","2","1","4","1","4","1") = "6"
    & skf21("6","7","2","1","4","1","5","1") = "6"
    & skf21("6","7","2","1","4","1","6","1") = "6"
    & skf21("6","7","2","1","4","1","7","1") = "6"
    & skf21("6","7","2","1","4","2","1","1") = "6"
    & skf21("6","7","2","1","4","2","2","1") = "6"
    & skf21("6","7","2","1","4","2","3","1") = "6"
    & skf21("6","7","2","1","4","2","4","1") = "6"
    & skf21("6","7","2","1","4","2","5","1") = "6"
    & skf21("6","7","2","1","4","2","6","1") = "6"
    & skf21("6","7","2","1","4","2","7","1") = "6"
    & skf21("6","7","2","1","4","3","1","1") = "6"
    & skf21("6","7","2","1","4","3","2","1") = "6"
    & skf21("6","7","2","1","4","3","3","1") = "6"
    & skf21("6","7","2","1","4","3","4","1") = "6"
    & skf21("6","7","2","1","4","3","5","1") = "6"
    & skf21("6","7","2","1","4","3","6","1") = "6"
    & skf21("6","7","2","1","4","3","7","1") = "6"
    & skf21("6","7","2","1","4","4","1","1") = "6"
    & skf21("6","7","2","1","4","4","2","1") = "6"
    & skf21("6","7","2","1","4","4","3","1") = "6"
    & skf21("6","7","2","1","4","4","4","1") = "6"
    & skf21("6","7","2","1","4","4","5","1") = "6"
    & skf21("6","7","2","1","4","4","6","1") = "6"
    & skf21("6","7","2","1","4","4","7","1") = "6"
    & skf21("6","7","2","1","4","5","1","1") = "6"
    & skf21("6","7","2","1","4","5","2","1") = "6"
    & skf21("6","7","2","1","4","5","3","1") = "6"
    & skf21("6","7","2","1","4","5","4","1") = "6"
    & skf21("6","7","2","1","4","5","5","1") = "6"
    & skf21("6","7","2","1","4","5","6","1") = "6"
    & skf21("6","7","2","1","4","5","7","1") = "6"
    & skf21("6","7","2","1","4","6","1","1") = "6"
    & skf21("6","7","2","1","4","6","2","1") = "6"
    & skf21("6","7","2","1","4","6","3","1") = "6"
    & skf21("6","7","2","1","4","6","4","1") = "6"
    & skf21("6","7","2","1","4","6","5","1") = "6"
    & skf21("6","7","2","1","4","6","6","1") = "6"
    & skf21("6","7","2","1","4","6","7","1") = "6"
    & skf21("6","7","2","1","4","7","1","1") = "6"
    & skf21("6","7","2","1","4","7","2","1") = "6"
    & skf21("6","7","2","1","4","7","3","1") = "6"
    & skf21("6","7","2","1","4","7","4","1") = "6"
    & skf21("6","7","2","1","4","7","5","1") = "6"
    & skf21("6","7","2","1","4","7","6","1") = "6"
    & skf21("6","7","2","1","4","7","7","1") = "6"
    & skf21("6","7","2","1","5","1","1","1") = "6"
    & skf21("6","7","2","1","5","1","2","1") = "6"
    & skf21("6","7","2","1","5","1","3","1") = "6"
    & skf21("6","7","2","1","5","1","4","1") = "6"
    & skf21("6","7","2","1","5","1","5","1") = "6"
    & skf21("6","7","2","1","5","1","6","1") = "6"
    & skf21("6","7","2","1","5","1","7","1") = "6"
    & skf21("6","7","2","1","5","2","1","1") = "6"
    & skf21("6","7","2","1","5","2","2","1") = "6"
    & skf21("6","7","2","1","5","2","3","1") = "6"
    & skf21("6","7","2","1","5","2","4","1") = "6"
    & skf21("6","7","2","1","5","2","5","1") = "6"
    & skf21("6","7","2","1","5","2","6","1") = "6"
    & skf21("6","7","2","1","5","2","7","1") = "6"
    & skf21("6","7","2","1","5","3","1","1") = "6"
    & skf21("6","7","2","1","5","3","2","1") = "6"
    & skf21("6","7","2","1","5","3","3","1") = "6"
    & skf21("6","7","2","1","5","3","4","1") = "6"
    & skf21("6","7","2","1","5","3","5","1") = "6"
    & skf21("6","7","2","1","5","3","6","1") = "6"
    & skf21("6","7","2","1","5","3","7","1") = "6"
    & skf21("6","7","2","1","5","4","1","1") = "6"
    & skf21("6","7","2","1","5","4","2","1") = "6"
    & skf21("6","7","2","1","5","4","3","1") = "6"
    & skf21("6","7","2","1","5","4","4","1") = "6"
    & skf21("6","7","2","1","5","4","5","1") = "6"
    & skf21("6","7","2","1","5","4","6","1") = "6"
    & skf21("6","7","2","1","5","4","7","1") = "6"
    & skf21("6","7","2","1","5","5","1","1") = "6"
    & skf21("6","7","2","1","5","5","2","1") = "6"
    & skf21("6","7","2","1","5","5","3","1") = "6"
    & skf21("6","7","2","1","5","5","4","1") = "6"
    & skf21("6","7","2","1","5","5","5","1") = "6"
    & skf21("6","7","2","1","5","5","6","1") = "6"
    & skf21("6","7","2","1","5","5","7","1") = "6"
    & skf21("6","7","2","1","5","6","1","1") = "6"
    & skf21("6","7","2","1","5","6","2","1") = "6"
    & skf21("6","7","2","1","5","6","3","1") = "6"
    & skf21("6","7","2","1","5","6","4","1") = "6"
    & skf21("6","7","2","1","5","6","5","1") = "6"
    & skf21("6","7","2","1","5","6","6","1") = "6"
    & skf21("6","7","2","1","5","6","7","1") = "6"
    & skf21("6","7","2","1","5","7","1","1") = "6"
    & skf21("6","7","2","1","5","7","2","1") = "6"
    & skf21("6","7","2","1","5","7","3","1") = "6"
    & skf21("6","7","2","1","5","7","4","1") = "6"
    & skf21("6","7","2","1","5","7","5","1") = "6"
    & skf21("6","7","2","1","5","7","6","1") = "6"
    & skf21("6","7","2","1","5","7","7","1") = "6"
    & skf21("6","7","2","1","6","1","1","1") = "6"
    & skf21("6","7","2","1","6","1","2","1") = "6"
    & skf21("6","7","2","1","6","1","3","1") = "6"
    & skf21("6","7","2","1","6","1","4","1") = "6"
    & skf21("6","7","2","1","6","1","5","1") = "6"
    & skf21("6","7","2","1","6","1","6","1") = "6"
    & skf21("6","7","2","1","6","1","7","1") = "6"
    & skf21("6","7","2","1","6","2","1","1") = "6"
    & skf21("6","7","2","1","6","2","2","1") = "6"
    & skf21("6","7","2","1","6","2","3","1") = "6"
    & skf21("6","7","2","1","6","2","4","1") = "6"
    & skf21("6","7","2","1","6","2","5","1") = "6"
    & skf21("6","7","2","1","6","2","6","1") = "6"
    & skf21("6","7","2","1","6","2","7","1") = "6"
    & skf21("6","7","2","1","6","3","1","1") = "6"
    & skf21("6","7","2","1","6","3","2","1") = "6"
    & skf21("6","7","2","1","6","3","3","1") = "6"
    & skf21("6","7","2","1","6","3","4","1") = "6"
    & skf21("6","7","2","1","6","3","5","1") = "6"
    & skf21("6","7","2","1","6","3","6","1") = "6"
    & skf21("6","7","2","1","6","3","7","1") = "6"
    & skf21("6","7","2","1","6","4","1","1") = "6"
    & skf21("6","7","2","1","6","4","2","1") = "6"
    & skf21("6","7","2","1","6","4","3","1") = "6"
    & skf21("6","7","2","1","6","4","4","1") = "6"
    & skf21("6","7","2","1","6","4","5","1") = "6"
    & skf21("6","7","2","1","6","4","6","1") = "6"
    & skf21("6","7","2","1","6","4","7","1") = "6"
    & skf21("6","7","2","1","6","5","1","1") = "6"
    & skf21("6","7","2","1","6","5","2","1") = "6"
    & skf21("6","7","2","1","6","5","3","1") = "6"
    & skf21("6","7","2","1","6","5","4","1") = "6"
    & skf21("6","7","2","1","6","5","5","1") = "6"
    & skf21("6","7","2","1","6","5","6","1") = "6"
    & skf21("6","7","2","1","6","5","7","1") = "6"
    & skf21("6","7","2","1","6","6","1","1") = "6"
    & skf21("6","7","2","1","6","6","2","1") = "6"
    & skf21("6","7","2","1","6","6","3","1") = "6"
    & skf21("6","7","2","1","6","6","4","1") = "6"
    & skf21("6","7","2","1","6","6","5","1") = "6"
    & skf21("6","7","2","1","6","6","6","1") = "6"
    & skf21("6","7","2","1","6","6","7","1") = "6"
    & skf21("6","7","2","1","6","7","1","1") = "6"
    & skf21("6","7","2","1","6","7","2","1") = "6"
    & skf21("6","7","2","1","6","7","3","1") = "6"
    & skf21("6","7","2","1","6","7","4","1") = "6"
    & skf21("6","7","2","1","6","7","5","1") = "6"
    & skf21("6","7","2","1","6","7","6","1") = "6"
    & skf21("6","7","2","1","6","7","7","1") = "6"
    & skf21("6","7","2","1","7","1","1","1") = "6"
    & skf21("6","7","2","1","7","1","2","1") = "6"
    & skf21("6","7","2","1","7","1","3","1") = "6"
    & skf21("6","7","2","1","7","1","4","1") = "6"
    & skf21("6","7","2","1","7","1","5","1") = "6"
    & skf21("6","7","2","1","7","1","6","1") = "6"
    & skf21("6","7","2","1","7","1","7","1") = "6"
    & skf21("6","7","2","1","7","2","1","1") = "6"
    & skf21("6","7","2","1","7","2","2","1") = "6"
    & skf21("6","7","2","1","7","2","3","1") = "6"
    & skf21("6","7","2","1","7","2","4","1") = "6"
    & skf21("6","7","2","1","7","2","5","1") = "6"
    & skf21("6","7","2","1","7","2","6","1") = "6"
    & skf21("6","7","2","1","7","2","7","1") = "6"
    & skf21("6","7","2","1","7","3","1","1") = "6"
    & skf21("6","7","2","1","7","3","2","1") = "6"
    & skf21("6","7","2","1","7","3","3","1") = "6"
    & skf21("6","7","2","1","7","3","4","1") = "6"
    & skf21("6","7","2","1","7","3","5","1") = "6"
    & skf21("6","7","2","1","7","3","6","1") = "6"
    & skf21("6","7","2","1","7","3","7","1") = "6"
    & skf21("6","7","2","1","7","4","1","1") = "6"
    & skf21("6","7","2","1","7","4","2","1") = "6"
    & skf21("6","7","2","1","7","4","3","1") = "6"
    & skf21("6","7","2","1","7","4","4","1") = "6"
    & skf21("6","7","2","1","7","4","5","1") = "6"
    & skf21("6","7","2","1","7","4","6","1") = "6"
    & skf21("6","7","2","1","7","4","7","1") = "6"
    & skf21("6","7","2","1","7","5","1","1") = "6"
    & skf21("6","7","2","1","7","5","2","1") = "6"
    & skf21("6","7","2","1","7","5","3","1") = "6"
    & skf21("6","7","2","1","7","5","4","1") = "6"
    & skf21("6","7","2","1","7","5","5","1") = "6"
    & skf21("6","7","2","1","7","5","6","1") = "6"
    & skf21("6","7","2","1","7","5","7","1") = "6"
    & skf21("6","7","2","1","7","6","1","1") = "6"
    & skf21("6","7","2","1","7","6","2","1") = "6"
    & skf21("6","7","2","1","7","6","3","1") = "6"
    & skf21("6","7","2","1","7","6","4","1") = "6"
    & skf21("6","7","2","1","7","6","5","1") = "6"
    & skf21("6","7","2","1","7","6","6","1") = "6"
    & skf21("6","7","2","1","7","6","7","1") = "6"
    & skf21("6","7","2","1","7","7","1","1") = "6"
    & skf21("6","7","2","1","7","7","2","1") = "6"
    & skf21("6","7","2","1","7","7","3","1") = "6"
    & skf21("6","7","2","1","7","7","4","1") = "6"
    & skf21("6","7","2","1","7","7","5","1") = "6"
    & skf21("6","7","2","1","7","7","6","1") = "6"
    & skf21("6","7","2","1","7","7","7","1") = "6"
    & skf21("6","7","2","2","1","1","1","1") = "6"
    & skf21("6","7","2","2","1","1","2","1") = "6"
    & skf21("6","7","2","2","1","1","3","1") = "6"
    & skf21("6","7","2","2","1","1","4","1") = "6"
    & skf21("6","7","2","2","1","1","5","1") = "6"
    & skf21("6","7","2","2","1","1","6","1") = "6"
    & skf21("6","7","2","2","1","1","7","1") = "6"
    & skf21("6","7","2","2","1","2","1","1") = "6"
    & skf21("6","7","2","2","1","2","2","1") = "6"
    & skf21("6","7","2","2","1","2","3","1") = "6"
    & skf21("6","7","2","2","1","2","4","1") = "6"
    & skf21("6","7","2","2","1","2","5","1") = "6"
    & skf21("6","7","2","2","1","2","6","1") = "6"
    & skf21("6","7","2","2","1","2","7","1") = "6"
    & skf21("6","7","2","2","1","3","1","1") = "6"
    & skf21("6","7","2","2","1","3","2","1") = "6"
    & skf21("6","7","2","2","1","3","3","1") = "6"
    & skf21("6","7","2","2","1","3","4","1") = "6"
    & skf21("6","7","2","2","1","3","5","1") = "6"
    & skf21("6","7","2","2","1","3","6","1") = "6"
    & skf21("6","7","2","2","1","3","7","1") = "6"
    & skf21("6","7","2","2","1","4","1","1") = "6"
    & skf21("6","7","2","2","1","4","2","1") = "6"
    & skf21("6","7","2","2","1","4","3","1") = "6"
    & skf21("6","7","2","2","1","4","4","1") = "6"
    & skf21("6","7","2","2","1","4","5","1") = "6"
    & skf21("6","7","2","2","1","4","6","1") = "6"
    & skf21("6","7","2","2","1","4","7","1") = "6"
    & skf21("6","7","2","2","1","5","1","1") = "6"
    & skf21("6","7","2","2","1","5","2","1") = "6"
    & skf21("6","7","2","2","1","5","3","1") = "6"
    & skf21("6","7","2","2","1","5","4","1") = "6"
    & skf21("6","7","2","2","1","5","5","1") = "6"
    & skf21("6","7","2","2","1","5","6","1") = "6"
    & skf21("6","7","2","2","1","5","7","1") = "6"
    & skf21("6","7","2","2","1","6","1","1") = "6"
    & skf21("6","7","2","2","1","6","2","1") = "6"
    & skf21("6","7","2","2","1","6","3","1") = "6"
    & skf21("6","7","2","2","1","6","4","1") = "6"
    & skf21("6","7","2","2","1","6","5","1") = "6"
    & skf21("6","7","2","2","1","6","6","1") = "6"
    & skf21("6","7","2","2","1","6","7","1") = "6"
    & skf21("6","7","2","2","1","7","1","1") = "6"
    & skf21("6","7","2","2","1","7","2","1") = "6"
    & skf21("6","7","2","2","1","7","3","1") = "6"
    & skf21("6","7","2","2","1","7","4","1") = "6"
    & skf21("6","7","2","2","1","7","5","1") = "6"
    & skf21("6","7","2","2","1","7","6","1") = "6"
    & skf21("6","7","2","2","1","7","7","1") = "6"
    & skf21("6","7","2","2","2","1","1","1") = "6"
    & skf21("6","7","2","2","2","1","2","1") = "6"
    & skf21("6","7","2","2","2","1","3","1") = "6"
    & skf21("6","7","2","2","2","1","4","1") = "6"
    & skf21("6","7","2","2","2","1","5","1") = "6"
    & skf21("6","7","2","2","2","1","6","1") = "6"
    & skf21("6","7","2","2","2","1","7","1") = "6"
    & skf21("6","7","2","2","2","2","1","1") = "6"
    & skf21("6","7","2","2","2","2","2","1") = "6"
    & skf21("6","7","2","2","2","2","3","1") = "6"
    & skf21("6","7","2","2","2","2","4","1") = "6"
    & skf21("6","7","2","2","2","2","5","1") = "6"
    & skf21("6","7","2","2","2","2","6","1") = "6"
    & skf21("6","7","2","2","2","2","7","1") = "6"
    & skf21("6","7","2","2","2","3","1","1") = "6"
    & skf21("6","7","2","2","2","3","2","1") = "6"
    & skf21("6","7","2","2","2","3","3","1") = "6"
    & skf21("6","7","2","2","2","3","4","1") = "6"
    & skf21("6","7","2","2","2","3","5","1") = "6"
    & skf21("6","7","2","2","2","3","6","1") = "6"
    & skf21("6","7","2","2","2","3","7","1") = "6"
    & skf21("6","7","2","2","2","4","1","1") = "6"
    & skf21("6","7","2","2","2","4","2","1") = "6"
    & skf21("6","7","2","2","2","4","3","1") = "6"
    & skf21("6","7","2","2","2","4","4","1") = "6"
    & skf21("6","7","2","2","2","4","5","1") = "6"
    & skf21("6","7","2","2","2","4","6","1") = "6"
    & skf21("6","7","2","2","2","4","7","1") = "6"
    & skf21("6","7","2","2","2","5","1","1") = "6"
    & skf21("6","7","2","2","2","5","2","1") = "6"
    & skf21("6","7","2","2","2","5","3","1") = "6"
    & skf21("6","7","2","2","2","5","4","1") = "6"
    & skf21("6","7","2","2","2","5","5","1") = "6"
    & skf21("6","7","2","2","2","5","6","1") = "6"
    & skf21("6","7","2","2","2","5","7","1") = "6"
    & skf21("6","7","2","2","2","6","1","1") = "6"
    & skf21("6","7","2","2","2","6","2","1") = "6"
    & skf21("6","7","2","2","2","6","3","1") = "6"
    & skf21("6","7","2","2","2","6","4","1") = "6"
    & skf21("6","7","2","2","2","6","5","1") = "6"
    & skf21("6","7","2","2","2","6","6","1") = "6"
    & skf21("6","7","2","2","2","6","7","1") = "6"
    & skf21("6","7","2","2","2","7","1","1") = "6"
    & skf21("6","7","2","2","2","7","2","1") = "6"
    & skf21("6","7","2","2","2","7","3","1") = "6"
    & skf21("6","7","2","2","2","7","4","1") = "6"
    & skf21("6","7","2","2","2","7","5","1") = "6"
    & skf21("6","7","2","2","2","7","6","1") = "6"
    & skf21("6","7","2","2","2","7","7","1") = "6"
    & skf21("6","7","2","2","3","1","1","1") = "6"
    & skf21("6","7","2","2","3","1","2","1") = "6"
    & skf21("6","7","2","2","3","1","3","1") = "6"
    & skf21("6","7","2","2","3","1","4","1") = "6"
    & skf21("6","7","2","2","3","1","5","1") = "6"
    & skf21("6","7","2","2","3","1","6","1") = "6"
    & skf21("6","7","2","2","3","1","7","1") = "6"
    & skf21("6","7","2","2","3","2","1","1") = "6"
    & skf21("6","7","2","2","3","2","2","1") = "6"
    & skf21("6","7","2","2","3","2","3","1") = "6"
    & skf21("6","7","2","2","3","2","4","1") = "6"
    & skf21("6","7","2","2","3","2","5","1") = "6"
    & skf21("6","7","2","2","3","2","6","1") = "6"
    & skf21("6","7","2","2","3","2","7","1") = "6"
    & skf21("6","7","2","2","3","3","1","1") = "6"
    & skf21("6","7","2","2","3","3","2","1") = "6"
    & skf21("6","7","2","2","3","3","3","1") = "6"
    & skf21("6","7","2","2","3","3","4","1") = "6"
    & skf21("6","7","2","2","3","3","5","1") = "6"
    & skf21("6","7","2","2","3","3","6","1") = "6"
    & skf21("6","7","2","2","3","3","7","1") = "6"
    & skf21("6","7","2","2","3","4","1","1") = "6"
    & skf21("6","7","2","2","3","4","2","1") = "6"
    & skf21("6","7","2","2","3","4","3","1") = "6"
    & skf21("6","7","2","2","3","4","4","1") = "6"
    & skf21("6","7","2","2","3","4","5","1") = "6"
    & skf21("6","7","2","2","3","4","6","1") = "6"
    & skf21("6","7","2","2","3","4","7","1") = "6"
    & skf21("6","7","2","2","3","5","1","1") = "6"
    & skf21("6","7","2","2","3","5","2","1") = "6"
    & skf21("6","7","2","2","3","5","3","1") = "6"
    & skf21("6","7","2","2","3","5","4","1") = "6"
    & skf21("6","7","2","2","3","5","5","1") = "6"
    & skf21("6","7","2","2","3","5","6","1") = "6"
    & skf21("6","7","2","2","3","5","7","1") = "6"
    & skf21("6","7","2","2","3","6","1","1") = "6"
    & skf21("6","7","2","2","3","6","2","1") = "6"
    & skf21("6","7","2","2","3","6","3","1") = "6"
    & skf21("6","7","2","2","3","6","4","1") = "6"
    & skf21("6","7","2","2","3","6","5","1") = "6"
    & skf21("6","7","2","2","3","6","6","1") = "6"
    & skf21("6","7","2","2","3","6","7","1") = "6"
    & skf21("6","7","2","2","3","7","1","1") = "6"
    & skf21("6","7","2","2","3","7","2","1") = "6"
    & skf21("6","7","2","2","3","7","3","1") = "6"
    & skf21("6","7","2","2","3","7","4","1") = "6"
    & skf21("6","7","2","2","3","7","5","1") = "6"
    & skf21("6","7","2","2","3","7","6","1") = "6"
    & skf21("6","7","2","2","3","7","7","1") = "6"
    & skf21("6","7","2","2","4","1","1","1") = "6"
    & skf21("6","7","2","2","4","1","2","1") = "6"
    & skf21("6","7","2","2","4","1","3","1") = "6"
    & skf21("6","7","2","2","4","1","4","1") = "6"
    & skf21("6","7","2","2","4","1","5","1") = "6"
    & skf21("6","7","2","2","4","1","6","1") = "6"
    & skf21("6","7","2","2","4","1","7","1") = "6"
    & skf21("6","7","2","2","4","2","1","1") = "6"
    & skf21("6","7","2","2","4","2","2","1") = "6"
    & skf21("6","7","2","2","4","2","3","1") = "6"
    & skf21("6","7","2","2","4","2","4","1") = "6"
    & skf21("6","7","2","2","4","2","5","1") = "6"
    & skf21("6","7","2","2","4","2","6","1") = "6"
    & skf21("6","7","2","2","4","2","7","1") = "6"
    & skf21("6","7","2","2","4","3","1","1") = "6"
    & skf21("6","7","2","2","4","3","2","1") = "6"
    & skf21("6","7","2","2","4","3","3","1") = "6"
    & skf21("6","7","2","2","4","3","4","1") = "6"
    & skf21("6","7","2","2","4","3","5","1") = "6"
    & skf21("6","7","2","2","4","3","6","1") = "6"
    & skf21("6","7","2","2","4","3","7","1") = "6"
    & skf21("6","7","2","2","4","4","1","1") = "6"
    & skf21("6","7","2","2","4","4","2","1") = "6"
    & skf21("6","7","2","2","4","4","3","1") = "6"
    & skf21("6","7","2","2","4","4","4","1") = "6"
    & skf21("6","7","2","2","4","4","5","1") = "6"
    & skf21("6","7","2","2","4","4","6","1") = "6"
    & skf21("6","7","2","2","4","4","7","1") = "6"
    & skf21("6","7","2","2","4","5","1","1") = "6"
    & skf21("6","7","2","2","4","5","2","1") = "6"
    & skf21("6","7","2","2","4","5","3","1") = "6"
    & skf21("6","7","2","2","4","5","4","1") = "6"
    & skf21("6","7","2","2","4","5","5","1") = "6"
    & skf21("6","7","2","2","4","5","6","1") = "6"
    & skf21("6","7","2","2","4","5","7","1") = "6"
    & skf21("6","7","2","2","4","6","1","1") = "6"
    & skf21("6","7","2","2","4","6","2","1") = "6"
    & skf21("6","7","2","2","4","6","3","1") = "6"
    & skf21("6","7","2","2","4","6","4","1") = "6"
    & skf21("6","7","2","2","4","6","5","1") = "6"
    & skf21("6","7","2","2","4","6","6","1") = "6"
    & skf21("6","7","2","2","4","6","7","1") = "6"
    & skf21("6","7","2","2","4","7","1","1") = "6"
    & skf21("6","7","2","2","4","7","2","1") = "6"
    & skf21("6","7","2","2","4","7","3","1") = "6"
    & skf21("6","7","2","2","4","7","4","1") = "6"
    & skf21("6","7","2","2","4","7","5","1") = "6"
    & skf21("6","7","2","2","4","7","6","1") = "6"
    & skf21("6","7","2","2","4","7","7","1") = "6"
    & skf21("6","7","2","2","5","1","1","1") = "6"
    & skf21("6","7","2","2","5","1","2","1") = "6"
    & skf21("6","7","2","2","5","1","3","1") = "6"
    & skf21("6","7","2","2","5","1","4","1") = "6"
    & skf21("6","7","2","2","5","1","5","1") = "6"
    & skf21("6","7","2","2","5","1","6","1") = "6"
    & skf21("6","7","2","2","5","1","7","1") = "6"
    & skf21("6","7","2","2","5","2","1","1") = "6"
    & skf21("6","7","2","2","5","2","2","1") = "6"
    & skf21("6","7","2","2","5","2","3","1") = "6"
    & skf21("6","7","2","2","5","2","4","1") = "6"
    & skf21("6","7","2","2","5","2","5","1") = "6"
    & skf21("6","7","2","2","5","2","6","1") = "6"
    & skf21("6","7","2","2","5","2","7","1") = "6"
    & skf21("6","7","2","2","5","3","1","1") = "6"
    & skf21("6","7","2","2","5","3","2","1") = "6"
    & skf21("6","7","2","2","5","3","3","1") = "6"
    & skf21("6","7","2","2","5","3","4","1") = "6"
    & skf21("6","7","2","2","5","3","5","1") = "6"
    & skf21("6","7","2","2","5","3","6","1") = "6"
    & skf21("6","7","2","2","5","3","7","1") = "6"
    & skf21("6","7","2","2","5","4","1","1") = "6"
    & skf21("6","7","2","2","5","4","2","1") = "6"
    & skf21("6","7","2","2","5","4","3","1") = "6"
    & skf21("6","7","2","2","5","4","4","1") = "6"
    & skf21("6","7","2","2","5","4","5","1") = "6"
    & skf21("6","7","2","2","5","4","6","1") = "6"
    & skf21("6","7","2","2","5","4","7","1") = "6"
    & skf21("6","7","2","2","5","5","1","1") = "6"
    & skf21("6","7","2","2","5","5","2","1") = "6"
    & skf21("6","7","2","2","5","5","3","1") = "6"
    & skf21("6","7","2","2","5","5","4","1") = "6"
    & skf21("6","7","2","2","5","5","5","1") = "6"
    & skf21("6","7","2","2","5","5","6","1") = "6"
    & skf21("6","7","2","2","5","5","7","1") = "6"
    & skf21("6","7","2","2","5","6","1","1") = "6"
    & skf21("6","7","2","2","5","6","2","1") = "6"
    & skf21("6","7","2","2","5","6","3","1") = "6"
    & skf21("6","7","2","2","5","6","4","1") = "6"
    & skf21("6","7","2","2","5","6","5","1") = "6"
    & skf21("6","7","2","2","5","6","6","1") = "6"
    & skf21("6","7","2","2","5","6","7","1") = "6"
    & skf21("6","7","2","2","5","7","1","1") = "6"
    & skf21("6","7","2","2","5","7","2","1") = "6"
    & skf21("6","7","2","2","5","7","3","1") = "6"
    & skf21("6","7","2","2","5","7","4","1") = "6"
    & skf21("6","7","2","2","5","7","5","1") = "6"
    & skf21("6","7","2","2","5","7","6","1") = "6"
    & skf21("6","7","2","2","5","7","7","1") = "6"
    & skf21("6","7","2","2","6","1","1","1") = "6"
    & skf21("6","7","2","2","6","1","2","1") = "6"
    & skf21("6","7","2","2","6","1","3","1") = "6"
    & skf21("6","7","2","2","6","1","4","1") = "6"
    & skf21("6","7","2","2","6","1","5","1") = "6"
    & skf21("6","7","2","2","6","1","6","1") = "6"
    & skf21("6","7","2","2","6","1","7","1") = "6"
    & skf21("6","7","2","2","6","2","1","1") = "6"
    & skf21("6","7","2","2","6","2","2","1") = "6"
    & skf21("6","7","2","2","6","2","3","1") = "6"
    & skf21("6","7","2","2","6","2","4","1") = "6"
    & skf21("6","7","2","2","6","2","5","1") = "6"
    & skf21("6","7","2","2","6","2","6","1") = "6"
    & skf21("6","7","2","2","6","2","7","1") = "6"
    & skf21("6","7","2","2","6","3","1","1") = "6"
    & skf21("6","7","2","2","6","3","2","1") = "6"
    & skf21("6","7","2","2","6","3","3","1") = "6"
    & skf21("6","7","2","2","6","3","4","1") = "6"
    & skf21("6","7","2","2","6","3","5","1") = "6"
    & skf21("6","7","2","2","6","3","6","1") = "6"
    & skf21("6","7","2","2","6","3","7","1") = "6"
    & skf21("6","7","2","2","6","4","1","1") = "6"
    & skf21("6","7","2","2","6","4","2","1") = "6"
    & skf21("6","7","2","2","6","4","3","1") = "6"
    & skf21("6","7","2","2","6","4","4","1") = "6"
    & skf21("6","7","2","2","6","4","5","1") = "6"
    & skf21("6","7","2","2","6","4","6","1") = "6"
    & skf21("6","7","2","2","6","4","7","1") = "6"
    & skf21("6","7","2","2","6","5","1","1") = "6"
    & skf21("6","7","2","2","6","5","2","1") = "6"
    & skf21("6","7","2","2","6","5","3","1") = "6"
    & skf21("6","7","2","2","6","5","4","1") = "6"
    & skf21("6","7","2","2","6","5","5","1") = "6"
    & skf21("6","7","2","2","6","5","6","1") = "6"
    & skf21("6","7","2","2","6","5","7","1") = "6"
    & skf21("6","7","2","2","6","6","1","1") = "6"
    & skf21("6","7","2","2","6","6","2","1") = "6"
    & skf21("6","7","2","2","6","6","3","1") = "6"
    & skf21("6","7","2","2","6","6","4","1") = "6"
    & skf21("6","7","2","2","6","6","5","1") = "6"
    & skf21("6","7","2","2","6","6","6","1") = "6"
    & skf21("6","7","2","2","6","6","7","1") = "6"
    & skf21("6","7","2","2","6","7","1","1") = "6"
    & skf21("6","7","2","2","6","7","2","1") = "6"
    & skf21("6","7","2","2","6","7","3","1") = "6"
    & skf21("6","7","2","2","6","7","4","1") = "6"
    & skf21("6","7","2","2","6","7","5","1") = "6"
    & skf21("6","7","2","2","6","7","6","1") = "6"
    & skf21("6","7","2","2","6","7","7","1") = "6"
    & skf21("6","7","2","2","7","1","1","1") = "6"
    & skf21("6","7","2","2","7","1","2","1") = "6"
    & skf21("6","7","2","2","7","1","3","1") = "6"
    & skf21("6","7","2","2","7","1","4","1") = "6"
    & skf21("6","7","2","2","7","1","5","1") = "6"
    & skf21("6","7","2","2","7","1","6","1") = "6"
    & skf21("6","7","2","2","7","1","7","1") = "6"
    & skf21("6","7","2","2","7","2","1","1") = "6"
    & skf21("6","7","2","2","7","2","2","1") = "6"
    & skf21("6","7","2","2","7","2","3","1") = "6"
    & skf21("6","7","2","2","7","2","4","1") = "6"
    & skf21("6","7","2","2","7","2","5","1") = "6"
    & skf21("6","7","2","2","7","2","6","1") = "6"
    & skf21("6","7","2","2","7","2","7","1") = "6"
    & skf21("6","7","2","2","7","3","1","1") = "6"
    & skf21("6","7","2","2","7","3","2","1") = "6"
    & skf21("6","7","2","2","7","3","3","1") = "6"
    & skf21("6","7","2","2","7","3","4","1") = "6"
    & skf21("6","7","2","2","7","3","5","1") = "6"
    & skf21("6","7","2","2","7","3","6","1") = "6"
    & skf21("6","7","2","2","7","3","7","1") = "6"
    & skf21("6","7","2","2","7","4","1","1") = "6"
    & skf21("6","7","2","2","7","4","2","1") = "6"
    & skf21("6","7","2","2","7","4","3","1") = "6"
    & skf21("6","7","2","2","7","4","4","1") = "6"
    & skf21("6","7","2","2","7","4","5","1") = "6"
    & skf21("6","7","2","2","7","4","6","1") = "6"
    & skf21("6","7","2","2","7","4","7","1") = "6"
    & skf21("6","7","2","2","7","5","1","1") = "6"
    & skf21("6","7","2","2","7","5","2","1") = "6"
    & skf21("6","7","2","2","7","5","3","1") = "6"
    & skf21("6","7","2","2","7","5","4","1") = "6"
    & skf21("6","7","2","2","7","5","5","1") = "6"
    & skf21("6","7","2","2","7","5","6","1") = "6"
    & skf21("6","7","2","2","7","5","7","1") = "6"
    & skf21("6","7","2","2","7","6","1","1") = "6"
    & skf21("6","7","2","2","7","6","2","1") = "6"
    & skf21("6","7","2","2","7","6","3","1") = "6"
    & skf21("6","7","2","2","7","6","4","1") = "6"
    & skf21("6","7","2","2","7","6","5","1") = "6"
    & skf21("6","7","2","2","7","6","6","1") = "6"
    & skf21("6","7","2","2","7","6","7","1") = "6"
    & skf21("6","7","2","2","7","7","1","1") = "6"
    & skf21("6","7","2","2","7","7","2","1") = "6"
    & skf21("6","7","2","2","7","7","3","1") = "6"
    & skf21("6","7","2","2","7","7","4","1") = "6"
    & skf21("6","7","2","2","7","7","5","1") = "6"
    & skf21("6","7","2","2","7","7","6","1") = "6"
    & skf21("6","7","2","2","7","7","7","1") = "6"
    & skf21("6","7","2","3","1","1","1","1") = "6"
    & skf21("6","7","2","3","1","1","2","1") = "6"
    & skf21("6","7","2","3","1","1","3","1") = "6"
    & skf21("6","7","2","3","1","1","4","1") = "6"
    & skf21("6","7","2","3","1","1","5","1") = "6"
    & skf21("6","7","2","3","1","1","6","1") = "6"
    & skf21("6","7","2","3","1","1","7","1") = "6"
    & skf21("6","7","2","3","1","2","1","1") = "6"
    & skf21("6","7","2","3","1","2","2","1") = "6"
    & skf21("6","7","2","3","1","2","3","1") = "6"
    & skf21("6","7","2","3","1","2","4","1") = "6"
    & skf21("6","7","2","3","1","2","5","1") = "6"
    & skf21("6","7","2","3","1","2","6","1") = "6"
    & skf21("6","7","2","3","1","2","7","1") = "6"
    & skf21("6","7","2","3","1","3","1","1") = "6"
    & skf21("6","7","2","3","1","3","2","1") = "6"
    & skf21("6","7","2","3","1","3","3","1") = "6"
    & skf21("6","7","2","3","1","3","4","1") = "6"
    & skf21("6","7","2","3","1","3","5","1") = "6"
    & skf21("6","7","2","3","1","3","6","1") = "6"
    & skf21("6","7","2","3","1","3","7","1") = "6"
    & skf21("6","7","2","3","1","4","1","1") = "6"
    & skf21("6","7","2","3","1","4","2","1") = "6"
    & skf21("6","7","2","3","1","4","3","1") = "6"
    & skf21("6","7","2","3","1","4","4","1") = "6"
    & skf21("6","7","2","3","1","4","5","1") = "6"
    & skf21("6","7","2","3","1","4","6","1") = "6"
    & skf21("6","7","2","3","1","4","7","1") = "6"
    & skf21("6","7","2","3","1","5","1","1") = "6"
    & skf21("6","7","2","3","1","5","2","1") = "6"
    & skf21("6","7","2","3","1","5","3","1") = "6"
    & skf21("6","7","2","3","1","5","4","1") = "6"
    & skf21("6","7","2","3","1","5","5","1") = "6"
    & skf21("6","7","2","3","1","5","6","1") = "6"
    & skf21("6","7","2","3","1","5","7","1") = "6"
    & skf21("6","7","2","3","1","6","1","1") = "6"
    & skf21("6","7","2","3","1","6","2","1") = "6"
    & skf21("6","7","2","3","1","6","3","1") = "6"
    & skf21("6","7","2","3","1","6","4","1") = "6"
    & skf21("6","7","2","3","1","6","5","1") = "6"
    & skf21("6","7","2","3","1","6","6","1") = "6"
    & skf21("6","7","2","3","1","6","7","1") = "6"
    & skf21("6","7","2","3","1","7","1","1") = "6"
    & skf21("6","7","2","3","1","7","2","1") = "6"
    & skf21("6","7","2","3","1","7","3","1") = "6"
    & skf21("6","7","2","3","1","7","4","1") = "6"
    & skf21("6","7","2","3","1","7","5","1") = "6"
    & skf21("6","7","2","3","1","7","6","1") = "6"
    & skf21("6","7","2","3","1","7","7","1") = "6"
    & skf21("6","7","2","3","2","1","1","1") = "6"
    & skf21("6","7","2","3","2","1","2","1") = "6"
    & skf21("6","7","2","3","2","1","3","1") = "6"
    & skf21("6","7","2","3","2","1","4","1") = "6"
    & skf21("6","7","2","3","2","1","5","1") = "6"
    & skf21("6","7","2","3","2","1","6","1") = "6"
    & skf21("6","7","2","3","2","1","7","1") = "6"
    & skf21("6","7","2","3","2","2","1","1") = "6"
    & skf21("6","7","2","3","2","2","2","1") = "6"
    & skf21("6","7","2","3","2","2","3","1") = "6"
    & skf21("6","7","2","3","2","2","4","1") = "6"
    & skf21("6","7","2","3","2","2","5","1") = "6"
    & skf21("6","7","2","3","2","2","6","1") = "6"
    & skf21("6","7","2","3","2","2","7","1") = "6"
    & skf21("6","7","2","3","2","3","1","1") = "6"
    & skf21("6","7","2","3","2","3","2","1") = "6"
    & skf21("6","7","2","3","2","3","3","1") = "6"
    & skf21("6","7","2","3","2","3","4","1") = "6"
    & skf21("6","7","2","3","2","3","5","1") = "6"
    & skf21("6","7","2","3","2","3","6","1") = "6"
    & skf21("6","7","2","3","2","3","7","1") = "6"
    & skf21("6","7","2","3","2","4","1","1") = "6"
    & skf21("6","7","2","3","2","4","2","1") = "6"
    & skf21("6","7","2","3","2","4","3","1") = "6"
    & skf21("6","7","2","3","2","4","4","1") = "6"
    & skf21("6","7","2","3","2","4","5","1") = "6"
    & skf21("6","7","2","3","2","4","6","1") = "6"
    & skf21("6","7","2","3","2","4","7","1") = "6"
    & skf21("6","7","2","3","2","5","1","1") = "6"
    & skf21("6","7","2","3","2","5","2","1") = "6"
    & skf21("6","7","2","3","2","5","3","1") = "6"
    & skf21("6","7","2","3","2","5","4","1") = "6"
    & skf21("6","7","2","3","2","5","5","1") = "6"
    & skf21("6","7","2","3","2","5","6","1") = "6"
    & skf21("6","7","2","3","2","5","7","1") = "6"
    & skf21("6","7","2","3","2","6","1","1") = "6"
    & skf21("6","7","2","3","2","6","2","1") = "6"
    & skf21("6","7","2","3","2","6","3","1") = "6"
    & skf21("6","7","2","3","2","6","4","1") = "6"
    & skf21("6","7","2","3","2","6","5","1") = "6"
    & skf21("6","7","2","3","2","6","6","1") = "6"
    & skf21("6","7","2","3","2","6","7","1") = "6"
    & skf21("6","7","2","3","2","7","1","1") = "6"
    & skf21("6","7","2","3","2","7","2","1") = "6"
    & skf21("6","7","2","3","2","7","3","1") = "6"
    & skf21("6","7","2","3","2","7","4","1") = "6"
    & skf21("6","7","2","3","2","7","5","1") = "6"
    & skf21("6","7","2","3","2","7","6","1") = "6"
    & skf21("6","7","2","3","2","7","7","1") = "6"
    & skf21("6","7","2","3","3","1","1","1") = "6"
    & skf21("6","7","2","3","3","1","2","1") = "6"
    & skf21("6","7","2","3","3","1","3","1") = "6"
    & skf21("6","7","2","3","3","1","4","1") = "6"
    & skf21("6","7","2","3","3","1","5","1") = "6"
    & skf21("6","7","2","3","3","1","6","1") = "6"
    & skf21("6","7","2","3","3","1","7","1") = "6"
    & skf21("6","7","2","3","3","2","1","1") = "6"
    & skf21("6","7","2","3","3","2","2","1") = "6"
    & skf21("6","7","2","3","3","2","3","1") = "6"
    & skf21("6","7","2","3","3","2","4","1") = "6"
    & skf21("6","7","2","3","3","2","5","1") = "6"
    & skf21("6","7","2","3","3","2","6","1") = "6"
    & skf21("6","7","2","3","3","2","7","1") = "6"
    & skf21("6","7","2","3","3","3","1","1") = "6"
    & skf21("6","7","2","3","3","3","2","1") = "6"
    & skf21("6","7","2","3","3","3","3","1") = "6"
    & skf21("6","7","2","3","3","3","4","1") = "6"
    & skf21("6","7","2","3","3","3","5","1") = "6"
    & skf21("6","7","2","3","3","3","6","1") = "6"
    & skf21("6","7","2","3","3","3","7","1") = "6"
    & skf21("6","7","2","3","3","4","1","1") = "6"
    & skf21("6","7","2","3","3","4","2","1") = "6"
    & skf21("6","7","2","3","3","4","3","1") = "6"
    & skf21("6","7","2","3","3","4","4","1") = "6"
    & skf21("6","7","2","3","3","4","5","1") = "6"
    & skf21("6","7","2","3","3","4","6","1") = "6"
    & skf21("6","7","2","3","3","4","7","1") = "6"
    & skf21("6","7","2","3","3","5","1","1") = "6"
    & skf21("6","7","2","3","3","5","2","1") = "6"
    & skf21("6","7","2","3","3","5","3","1") = "6"
    & skf21("6","7","2","3","3","5","4","1") = "6"
    & skf21("6","7","2","3","3","5","5","1") = "6"
    & skf21("6","7","2","3","3","5","6","1") = "6"
    & skf21("6","7","2","3","3","5","7","1") = "6"
    & skf21("6","7","2","3","3","6","1","1") = "6"
    & skf21("6","7","2","3","3","6","2","1") = "6"
    & skf21("6","7","2","3","3","6","3","1") = "6"
    & skf21("6","7","2","3","3","6","4","1") = "6"
    & skf21("6","7","2","3","3","6","5","1") = "6"
    & skf21("6","7","2","3","3","6","6","1") = "6"
    & skf21("6","7","2","3","3","6","7","1") = "6"
    & skf21("6","7","2","3","3","7","1","1") = "6"
    & skf21("6","7","2","3","3","7","2","1") = "6"
    & skf21("6","7","2","3","3","7","3","1") = "6"
    & skf21("6","7","2","3","3","7","4","1") = "6"
    & skf21("6","7","2","3","3","7","5","1") = "6"
    & skf21("6","7","2","3","3","7","6","1") = "6"
    & skf21("6","7","2","3","3","7","7","1") = "6"
    & skf21("6","7","2","3","4","1","1","1") = "6"
    & skf21("6","7","2","3","4","1","2","1") = "6"
    & skf21("6","7","2","3","4","1","3","1") = "6"
    & skf21("6","7","2","3","4","1","4","1") = "6"
    & skf21("6","7","2","3","4","1","5","1") = "6"
    & skf21("6","7","2","3","4","1","6","1") = "6"
    & skf21("6","7","2","3","4","1","7","1") = "6"
    & skf21("6","7","2","3","4","2","1","1") = "6"
    & skf21("6","7","2","3","4","2","2","1") = "6"
    & skf21("6","7","2","3","4","2","3","1") = "6"
    & skf21("6","7","2","3","4","2","4","1") = "6"
    & skf21("6","7","2","3","4","2","5","1") = "6"
    & skf21("6","7","2","3","4","2","6","1") = "6"
    & skf21("6","7","2","3","4","2","7","1") = "6"
    & skf21("6","7","2","3","4","3","1","1") = "6"
    & skf21("6","7","2","3","4","3","2","1") = "6"
    & skf21("6","7","2","3","4","3","3","1") = "6"
    & skf21("6","7","2","3","4","3","4","1") = "6"
    & skf21("6","7","2","3","4","3","5","1") = "6"
    & skf21("6","7","2","3","4","3","6","1") = "6"
    & skf21("6","7","2","3","4","3","7","1") = "6"
    & skf21("6","7","2","3","4","4","1","1") = "6"
    & skf21("6","7","2","3","4","4","2","1") = "6"
    & skf21("6","7","2","3","4","4","3","1") = "6"
    & skf21("6","7","2","3","4","4","4","1") = "6"
    & skf21("6","7","2","3","4","4","5","1") = "6"
    & skf21("6","7","2","3","4","4","6","1") = "6"
    & skf21("6","7","2","3","4","4","7","1") = "6"
    & skf21("6","7","2","3","4","5","1","1") = "6"
    & skf21("6","7","2","3","4","5","2","1") = "6"
    & skf21("6","7","2","3","4","5","3","1") = "6"
    & skf21("6","7","2","3","4","5","4","1") = "6"
    & skf21("6","7","2","3","4","5","5","1") = "6"
    & skf21("6","7","2","3","4","5","6","1") = "6"
    & skf21("6","7","2","3","4","5","7","1") = "6"
    & skf21("6","7","2","3","4","6","1","1") = "6"
    & skf21("6","7","2","3","4","6","2","1") = "6"
    & skf21("6","7","2","3","4","6","3","1") = "6"
    & skf21("6","7","2","3","4","6","4","1") = "6"
    & skf21("6","7","2","3","4","6","5","1") = "6"
    & skf21("6","7","2","3","4","6","6","1") = "6"
    & skf21("6","7","2","3","4","6","7","1") = "6"
    & skf21("6","7","2","3","4","7","1","1") = "6"
    & skf21("6","7","2","3","4","7","2","1") = "6"
    & skf21("6","7","2","3","4","7","3","1") = "6"
    & skf21("6","7","2","3","4","7","4","1") = "6"
    & skf21("6","7","2","3","4","7","5","1") = "6"
    & skf21("6","7","2","3","4","7","6","1") = "6"
    & skf21("6","7","2","3","4","7","7","1") = "6"
    & skf21("6","7","2","3","5","1","1","1") = "6"
    & skf21("6","7","2","3","5","1","2","1") = "6"
    & skf21("6","7","2","3","5","1","3","1") = "6"
    & skf21("6","7","2","3","5","1","4","1") = "6"
    & skf21("6","7","2","3","5","1","5","1") = "6"
    & skf21("6","7","2","3","5","1","6","1") = "6"
    & skf21("6","7","2","3","5","1","7","1") = "6"
    & skf21("6","7","2","3","5","2","1","1") = "6"
    & skf21("6","7","2","3","5","2","2","1") = "6"
    & skf21("6","7","2","3","5","2","3","1") = "6"
    & skf21("6","7","2","3","5","2","4","1") = "6"
    & skf21("6","7","2","3","5","2","5","1") = "6"
    & skf21("6","7","2","3","5","2","6","1") = "6"
    & skf21("6","7","2","3","5","2","7","1") = "6"
    & skf21("6","7","2","3","5","3","1","1") = "6"
    & skf21("6","7","2","3","5","3","2","1") = "6"
    & skf21("6","7","2","3","5","3","3","1") = "6"
    & skf21("6","7","2","3","5","3","4","1") = "6"
    & skf21("6","7","2","3","5","3","5","1") = "6"
    & skf21("6","7","2","3","5","3","6","1") = "6"
    & skf21("6","7","2","3","5","3","7","1") = "6"
    & skf21("6","7","2","3","5","4","1","1") = "6"
    & skf21("6","7","2","3","5","4","2","1") = "6"
    & skf21("6","7","2","3","5","4","3","1") = "6"
    & skf21("6","7","2","3","5","4","4","1") = "6"
    & skf21("6","7","2","3","5","4","5","1") = "6"
    & skf21("6","7","2","3","5","4","6","1") = "6"
    & skf21("6","7","2","3","5","4","7","1") = "6"
    & skf21("6","7","2","3","5","5","1","1") = "6"
    & skf21("6","7","2","3","5","5","2","1") = "6"
    & skf21("6","7","2","3","5","5","3","1") = "6"
    & skf21("6","7","2","3","5","5","4","1") = "6"
    & skf21("6","7","2","3","5","5","5","1") = "6"
    & skf21("6","7","2","3","5","5","6","1") = "6"
    & skf21("6","7","2","3","5","5","7","1") = "6"
    & skf21("6","7","2","3","5","6","1","1") = "6"
    & skf21("6","7","2","3","5","6","2","1") = "6"
    & skf21("6","7","2","3","5","6","3","1") = "6"
    & skf21("6","7","2","3","5","6","4","1") = "6"
    & skf21("6","7","2","3","5","6","5","1") = "6"
    & skf21("6","7","2","3","5","6","6","1") = "6"
    & skf21("6","7","2","3","5","6","7","1") = "6"
    & skf21("6","7","2","3","5","7","1","1") = "6"
    & skf21("6","7","2","3","5","7","2","1") = "6"
    & skf21("6","7","2","3","5","7","3","1") = "6"
    & skf21("6","7","2","3","5","7","4","1") = "6"
    & skf21("6","7","2","3","5","7","5","1") = "6"
    & skf21("6","7","2","3","5","7","6","1") = "6"
    & skf21("6","7","2","3","5","7","7","1") = "6"
    & skf21("6","7","2","3","6","1","1","1") = "6"
    & skf21("6","7","2","3","6","1","2","1") = "6"
    & skf21("6","7","2","3","6","1","3","1") = "6"
    & skf21("6","7","2","3","6","1","4","1") = "6"
    & skf21("6","7","2","3","6","1","5","1") = "6"
    & skf21("6","7","2","3","6","1","6","1") = "6"
    & skf21("6","7","2","3","6","1","7","1") = "6"
    & skf21("6","7","2","3","6","2","1","1") = "6"
    & skf21("6","7","2","3","6","2","2","1") = "6"
    & skf21("6","7","2","3","6","2","3","1") = "6"
    & skf21("6","7","2","3","6","2","4","1") = "6"
    & skf21("6","7","2","3","6","2","5","1") = "6"
    & skf21("6","7","2","3","6","2","6","1") = "6"
    & skf21("6","7","2","3","6","2","7","1") = "6"
    & skf21("6","7","2","3","6","3","1","1") = "6"
    & skf21("6","7","2","3","6","3","2","1") = "6"
    & skf21("6","7","2","3","6","3","3","1") = "6"
    & skf21("6","7","2","3","6","3","4","1") = "6"
    & skf21("6","7","2","3","6","3","5","1") = "6"
    & skf21("6","7","2","3","6","3","6","1") = "6"
    & skf21("6","7","2","3","6","3","7","1") = "6"
    & skf21("6","7","2","3","6","4","1","1") = "6"
    & skf21("6","7","2","3","6","4","2","1") = "6"
    & skf21("6","7","2","3","6","4","3","1") = "6"
    & skf21("6","7","2","3","6","4","4","1") = "6"
    & skf21("6","7","2","3","6","4","5","1") = "6"
    & skf21("6","7","2","3","6","4","6","1") = "6"
    & skf21("6","7","2","3","6","4","7","1") = "6"
    & skf21("6","7","2","3","6","5","1","1") = "6"
    & skf21("6","7","2","3","6","5","2","1") = "6"
    & skf21("6","7","2","3","6","5","3","1") = "6"
    & skf21("6","7","2","3","6","5","4","1") = "6"
    & skf21("6","7","2","3","6","5","5","1") = "6"
    & skf21("6","7","2","3","6","5","6","1") = "6"
    & skf21("6","7","2","3","6","5","7","1") = "6"
    & skf21("6","7","2","3","6","6","1","1") = "6"
    & skf21("6","7","2","3","6","6","2","1") = "6"
    & skf21("6","7","2","3","6","6","3","1") = "6"
    & skf21("6","7","2","3","6","6","4","1") = "6"
    & skf21("6","7","2","3","6","6","5","1") = "6"
    & skf21("6","7","2","3","6","6","6","1") = "6"
    & skf21("6","7","2","3","6","6","7","1") = "6"
    & skf21("6","7","2","3","6","7","1","1") = "6"
    & skf21("6","7","2","3","6","7","2","1") = "6"
    & skf21("6","7","2","3","6","7","3","1") = "6"
    & skf21("6","7","2","3","6","7","4","1") = "6"
    & skf21("6","7","2","3","6","7","5","1") = "6"
    & skf21("6","7","2","3","6","7","6","1") = "6"
    & skf21("6","7","2","3","6","7","7","1") = "6"
    & skf21("6","7","2","3","7","1","1","1") = "6"
    & skf21("6","7","2","3","7","1","2","1") = "6"
    & skf21("6","7","2","3","7","1","3","1") = "6"
    & skf21("6","7","2","3","7","1","4","1") = "6"
    & skf21("6","7","2","3","7","1","5","1") = "6"
    & skf21("6","7","2","3","7","1","6","1") = "6"
    & skf21("6","7","2","3","7","1","7","1") = "6"
    & skf21("6","7","2","3","7","2","1","1") = "6"
    & skf21("6","7","2","3","7","2","2","1") = "6"
    & skf21("6","7","2","3","7","2","3","1") = "6"
    & skf21("6","7","2","3","7","2","4","1") = "6"
    & skf21("6","7","2","3","7","2","5","1") = "6"
    & skf21("6","7","2","3","7","2","6","1") = "6"
    & skf21("6","7","2","3","7","2","7","1") = "6"
    & skf21("6","7","2","3","7","3","1","1") = "6"
    & skf21("6","7","2","3","7","3","2","1") = "6"
    & skf21("6","7","2","3","7","3","3","1") = "6"
    & skf21("6","7","2","3","7","3","4","1") = "6"
    & skf21("6","7","2","3","7","3","5","1") = "6"
    & skf21("6","7","2","3","7","3","6","1") = "6"
    & skf21("6","7","2","3","7","3","7","1") = "6"
    & skf21("6","7","2","3","7","4","1","1") = "6"
    & skf21("6","7","2","3","7","4","2","1") = "6"
    & skf21("6","7","2","3","7","4","3","1") = "6"
    & skf21("6","7","2","3","7","4","4","1") = "6"
    & skf21("6","7","2","3","7","4","5","1") = "6"
    & skf21("6","7","2","3","7","4","6","1") = "6"
    & skf21("6","7","2","3","7","4","7","1") = "6"
    & skf21("6","7","2","3","7","5","1","1") = "6"
    & skf21("6","7","2","3","7","5","2","1") = "6"
    & skf21("6","7","2","3","7","5","3","1") = "6"
    & skf21("6","7","2","3","7","5","4","1") = "6"
    & skf21("6","7","2","3","7","5","5","1") = "6"
    & skf21("6","7","2","3","7","5","6","1") = "6"
    & skf21("6","7","2","3","7","5","7","1") = "6"
    & skf21("6","7","2","3","7","6","1","1") = "6"
    & skf21("6","7","2","3","7","6","2","1") = "6"
    & skf21("6","7","2","3","7","6","3","1") = "6"
    & skf21("6","7","2","3","7","6","4","1") = "6"
    & skf21("6","7","2","3","7","6","5","1") = "6"
    & skf21("6","7","2","3","7","6","6","1") = "6"
    & skf21("6","7","2","3","7","6","7","1") = "6"
    & skf21("6","7","2","3","7","7","1","1") = "6"
    & skf21("6","7","2","3","7","7","2","1") = "6"
    & skf21("6","7","2","3","7","7","3","1") = "6"
    & skf21("6","7","2","3","7","7","4","1") = "6"
    & skf21("6","7","2","3","7","7","5","1") = "6"
    & skf21("6","7","2","3","7","7","6","1") = "6"
    & skf21("6","7","2","3","7","7","7","1") = "6"
    & skf21("6","7","2","4","1","1","1","1") = "6"
    & skf21("6","7","2","4","1","1","2","1") = "6"
    & skf21("6","7","2","4","1","1","3","1") = "6"
    & skf21("6","7","2","4","1","1","4","1") = "6"
    & skf21("6","7","2","4","1","1","5","1") = "6"
    & skf21("6","7","2","4","1","1","6","1") = "6"
    & skf21("6","7","2","4","1","1","7","1") = "6"
    & skf21("6","7","2","4","1","2","1","1") = "6"
    & skf21("6","7","2","4","1","2","2","1") = "6"
    & skf21("6","7","2","4","1","2","3","1") = "6"
    & skf21("6","7","2","4","1","2","4","1") = "6"
    & skf21("6","7","2","4","1","2","5","1") = "6"
    & skf21("6","7","2","4","1","2","6","1") = "6"
    & skf21("6","7","2","4","1","2","7","1") = "6"
    & skf21("6","7","2","4","1","3","1","1") = "6"
    & skf21("6","7","2","4","1","3","2","1") = "6"
    & skf21("6","7","2","4","1","3","3","1") = "6"
    & skf21("6","7","2","4","1","3","4","1") = "6"
    & skf21("6","7","2","4","1","3","5","1") = "6"
    & skf21("6","7","2","4","1","3","6","1") = "6"
    & skf21("6","7","2","4","1","3","7","1") = "6"
    & skf21("6","7","2","4","1","4","1","1") = "6"
    & skf21("6","7","2","4","1","4","2","1") = "6"
    & skf21("6","7","2","4","1","4","3","1") = "6"
    & skf21("6","7","2","4","1","4","4","1") = "6"
    & skf21("6","7","2","4","1","4","5","1") = "6"
    & skf21("6","7","2","4","1","4","6","1") = "6"
    & skf21("6","7","2","4","1","4","7","1") = "6"
    & skf21("6","7","2","4","1","5","1","1") = "6"
    & skf21("6","7","2","4","1","5","2","1") = "6"
    & skf21("6","7","2","4","1","5","3","1") = "6"
    & skf21("6","7","2","4","1","5","4","1") = "6"
    & skf21("6","7","2","4","1","5","5","1") = "6"
    & skf21("6","7","2","4","1","5","6","1") = "6"
    & skf21("6","7","2","4","1","5","7","1") = "6"
    & skf21("6","7","2","4","1","6","1","1") = "6"
    & skf21("6","7","2","4","1","6","2","1") = "6"
    & skf21("6","7","2","4","1","6","3","1") = "6"
    & skf21("6","7","2","4","1","6","4","1") = "6"
    & skf21("6","7","2","4","1","6","5","1") = "6"
    & skf21("6","7","2","4","1","6","6","1") = "6"
    & skf21("6","7","2","4","1","6","7","1") = "6"
    & skf21("6","7","2","4","1","7","1","1") = "6"
    & skf21("6","7","2","4","1","7","2","1") = "6"
    & skf21("6","7","2","4","1","7","3","1") = "6"
    & skf21("6","7","2","4","1","7","4","1") = "6"
    & skf21("6","7","2","4","1","7","5","1") = "6"
    & skf21("6","7","2","4","1","7","6","1") = "6"
    & skf21("6","7","2","4","1","7","7","1") = "6"
    & skf21("6","7","2","4","2","1","1","1") = "6"
    & skf21("6","7","2","4","2","1","2","1") = "6"
    & skf21("6","7","2","4","2","1","3","1") = "6"
    & skf21("6","7","2","4","2","1","4","1") = "6"
    & skf21("6","7","2","4","2","1","5","1") = "6"
    & skf21("6","7","2","4","2","1","6","1") = "6"
    & skf21("6","7","2","4","2","1","7","1") = "6"
    & skf21("6","7","2","4","2","2","1","1") = "6"
    & skf21("6","7","2","4","2","2","2","1") = "6"
    & skf21("6","7","2","4","2","2","3","1") = "6"
    & skf21("6","7","2","4","2","2","4","1") = "6"
    & skf21("6","7","2","4","2","2","5","1") = "6"
    & skf21("6","7","2","4","2","2","6","1") = "6"
    & skf21("6","7","2","4","2","2","7","1") = "6"
    & skf21("6","7","2","4","2","3","1","1") = "6"
    & skf21("6","7","2","4","2","3","2","1") = "6"
    & skf21("6","7","2","4","2","3","3","1") = "6"
    & skf21("6","7","2","4","2","3","4","1") = "6"
    & skf21("6","7","2","4","2","3","5","1") = "6"
    & skf21("6","7","2","4","2","3","6","1") = "6"
    & skf21("6","7","2","4","2","3","7","1") = "6"
    & skf21("6","7","2","4","2","4","1","1") = "6"
    & skf21("6","7","2","4","2","4","2","1") = "6"
    & skf21("6","7","2","4","2","4","3","1") = "6"
    & skf21("6","7","2","4","2","4","4","1") = "6"
    & skf21("6","7","2","4","2","4","5","1") = "6"
    & skf21("6","7","2","4","2","4","6","1") = "6"
    & skf21("6","7","2","4","2","4","7","1") = "6"
    & skf21("6","7","2","4","2","5","1","1") = "6"
    & skf21("6","7","2","4","2","5","2","1") = "6"
    & skf21("6","7","2","4","2","5","3","1") = "6"
    & skf21("6","7","2","4","2","5","4","1") = "6"
    & skf21("6","7","2","4","2","5","5","1") = "6"
    & skf21("6","7","2","4","2","5","6","1") = "6"
    & skf21("6","7","2","4","2","5","7","1") = "6"
    & skf21("6","7","2","4","2","6","1","1") = "6"
    & skf21("6","7","2","4","2","6","2","1") = "6"
    & skf21("6","7","2","4","2","6","3","1") = "6"
    & skf21("6","7","2","4","2","6","4","1") = "6"
    & skf21("6","7","2","4","2","6","5","1") = "6"
    & skf21("6","7","2","4","2","6","6","1") = "6"
    & skf21("6","7","2","4","2","6","7","1") = "6"
    & skf21("6","7","2","4","2","7","1","1") = "6"
    & skf21("6","7","2","4","2","7","2","1") = "6"
    & skf21("6","7","2","4","2","7","3","1") = "6"
    & skf21("6","7","2","4","2","7","4","1") = "6"
    & skf21("6","7","2","4","2","7","5","1") = "6"
    & skf21("6","7","2","4","2","7","6","1") = "6"
    & skf21("6","7","2","4","2","7","7","1") = "6"
    & skf21("6","7","2","4","3","1","1","1") = "6"
    & skf21("6","7","2","4","3","1","2","1") = "6"
    & skf21("6","7","2","4","3","1","3","1") = "6"
    & skf21("6","7","2","4","3","1","4","1") = "6"
    & skf21("6","7","2","4","3","1","5","1") = "6"
    & skf21("6","7","2","4","3","1","6","1") = "6"
    & skf21("6","7","2","4","3","1","7","1") = "6"
    & skf21("6","7","2","4","3","2","1","1") = "6"
    & skf21("6","7","2","4","3","2","2","1") = "6"
    & skf21("6","7","2","4","3","2","3","1") = "6"
    & skf21("6","7","2","4","3","2","4","1") = "6"
    & skf21("6","7","2","4","3","2","5","1") = "6"
    & skf21("6","7","2","4","3","2","6","1") = "6"
    & skf21("6","7","2","4","3","2","7","1") = "6"
    & skf21("6","7","2","4","3","3","1","1") = "6"
    & skf21("6","7","2","4","3","3","2","1") = "6"
    & skf21("6","7","2","4","3","3","3","1") = "6"
    & skf21("6","7","2","4","3","3","4","1") = "6"
    & skf21("6","7","2","4","3","3","5","1") = "6"
    & skf21("6","7","2","4","3","3","6","1") = "6"
    & skf21("6","7","2","4","3","3","7","1") = "6"
    & skf21("6","7","2","4","3","4","1","1") = "6"
    & skf21("6","7","2","4","3","4","2","1") = "6"
    & skf21("6","7","2","4","3","4","3","1") = "6"
    & skf21("6","7","2","4","3","4","4","1") = "6"
    & skf21("6","7","2","4","3","4","5","1") = "6"
    & skf21("6","7","2","4","3","4","6","1") = "6"
    & skf21("6","7","2","4","3","4","7","1") = "6"
    & skf21("6","7","2","4","3","5","1","1") = "6"
    & skf21("6","7","2","4","3","5","2","1") = "6"
    & skf21("6","7","2","4","3","5","3","1") = "6"
    & skf21("6","7","2","4","3","5","4","1") = "6"
    & skf21("6","7","2","4","3","5","5","1") = "6"
    & skf21("6","7","2","4","3","5","6","1") = "6"
    & skf21("6","7","2","4","3","5","7","1") = "6"
    & skf21("6","7","2","4","3","6","1","1") = "6"
    & skf21("6","7","2","4","3","6","2","1") = "6"
    & skf21("6","7","2","4","3","6","3","1") = "6"
    & skf21("6","7","2","4","3","6","4","1") = "6"
    & skf21("6","7","2","4","3","6","5","1") = "6"
    & skf21("6","7","2","4","3","6","6","1") = "6"
    & skf21("6","7","2","4","3","6","7","1") = "6"
    & skf21("6","7","2","4","3","7","1","1") = "6"
    & skf21("6","7","2","4","3","7","2","1") = "6"
    & skf21("6","7","2","4","3","7","3","1") = "6"
    & skf21("6","7","2","4","3","7","4","1") = "6"
    & skf21("6","7","2","4","3","7","5","1") = "6"
    & skf21("6","7","2","4","3","7","6","1") = "6"
    & skf21("6","7","2","4","3","7","7","1") = "6"
    & skf21("6","7","2","4","4","1","1","1") = "6"
    & skf21("6","7","2","4","4","1","2","1") = "6"
    & skf21("6","7","2","4","4","1","3","1") = "6"
    & skf21("6","7","2","4","4","1","4","1") = "6"
    & skf21("6","7","2","4","4","1","5","1") = "6"
    & skf21("6","7","2","4","4","1","6","1") = "6"
    & skf21("6","7","2","4","4","1","7","1") = "6"
    & skf21("6","7","2","4","4","2","1","1") = "6"
    & skf21("6","7","2","4","4","2","2","1") = "6"
    & skf21("6","7","2","4","4","2","3","1") = "6"
    & skf21("6","7","2","4","4","2","4","1") = "6"
    & skf21("6","7","2","4","4","2","5","1") = "6"
    & skf21("6","7","2","4","4","2","6","1") = "6"
    & skf21("6","7","2","4","4","2","7","1") = "6"
    & skf21("6","7","2","4","4","3","1","1") = "6"
    & skf21("6","7","2","4","4","3","2","1") = "6"
    & skf21("6","7","2","4","4","3","3","1") = "6"
    & skf21("6","7","2","4","4","3","4","1") = "6"
    & skf21("6","7","2","4","4","3","5","1") = "6"
    & skf21("6","7","2","4","4","3","6","1") = "6"
    & skf21("6","7","2","4","4","3","7","1") = "6"
    & skf21("6","7","2","4","4","4","1","1") = "6"
    & skf21("6","7","2","4","4","4","2","1") = "6"
    & skf21("6","7","2","4","4","4","3","1") = "6"
    & skf21("6","7","2","4","4","4","4","1") = "6"
    & skf21("6","7","2","4","4","4","5","1") = "6"
    & skf21("6","7","2","4","4","4","6","1") = "6"
    & skf21("6","7","2","4","4","4","7","1") = "6"
    & skf21("6","7","2","4","4","5","1","1") = "6"
    & skf21("6","7","2","4","4","5","2","1") = "6"
    & skf21("6","7","2","4","4","5","3","1") = "6"
    & skf21("6","7","2","4","4","5","4","1") = "6"
    & skf21("6","7","2","4","4","5","5","1") = "6"
    & skf21("6","7","2","4","4","5","6","1") = "6"
    & skf21("6","7","2","4","4","5","7","1") = "6"
    & skf21("6","7","2","4","4","6","1","1") = "6"
    & skf21("6","7","2","4","4","6","2","1") = "6"
    & skf21("6","7","2","4","4","6","3","1") = "6"
    & skf21("6","7","2","4","4","6","4","1") = "6"
    & skf21("6","7","2","4","4","6","5","1") = "6"
    & skf21("6","7","2","4","4","6","6","1") = "6"
    & skf21("6","7","2","4","4","6","7","1") = "6"
    & skf21("6","7","2","4","4","7","1","1") = "6"
    & skf21("6","7","2","4","4","7","2","1") = "6"
    & skf21("6","7","2","4","4","7","3","1") = "6"
    & skf21("6","7","2","4","4","7","4","1") = "6"
    & skf21("6","7","2","4","4","7","5","1") = "6"
    & skf21("6","7","2","4","4","7","6","1") = "6"
    & skf21("6","7","2","4","4","7","7","1") = "6"
    & skf21("6","7","2","4","5","1","1","1") = "6"
    & skf21("6","7","2","4","5","1","2","1") = "6"
    & skf21("6","7","2","4","5","1","3","1") = "6"
    & skf21("6","7","2","4","5","1","4","1") = "6"
    & skf21("6","7","2","4","5","1","5","1") = "6"
    & skf21("6","7","2","4","5","1","6","1") = "6"
    & skf21("6","7","2","4","5","1","7","1") = "6"
    & skf21("6","7","2","4","5","2","1","1") = "6"
    & skf21("6","7","2","4","5","2","2","1") = "6"
    & skf21("6","7","2","4","5","2","3","1") = "6"
    & skf21("6","7","2","4","5","2","4","1") = "6"
    & skf21("6","7","2","4","5","2","5","1") = "6"
    & skf21("6","7","2","4","5","2","6","1") = "6"
    & skf21("6","7","2","4","5","2","7","1") = "6"
    & skf21("6","7","2","4","5","3","1","1") = "6"
    & skf21("6","7","2","4","5","3","2","1") = "6"
    & skf21("6","7","2","4","5","3","3","1") = "6"
    & skf21("6","7","2","4","5","3","4","1") = "6"
    & skf21("6","7","2","4","5","3","5","1") = "6"
    & skf21("6","7","2","4","5","3","6","1") = "6"
    & skf21("6","7","2","4","5","3","7","1") = "6"
    & skf21("6","7","2","4","5","4","1","1") = "6"
    & skf21("6","7","2","4","5","4","2","1") = "6"
    & skf21("6","7","2","4","5","4","3","1") = "6"
    & skf21("6","7","2","4","5","4","4","1") = "6"
    & skf21("6","7","2","4","5","4","5","1") = "6"
    & skf21("6","7","2","4","5","4","6","1") = "6"
    & skf21("6","7","2","4","5","4","7","1") = "6"
    & skf21("6","7","2","4","5","5","1","1") = "6"
    & skf21("6","7","2","4","5","5","2","1") = "6"
    & skf21("6","7","2","4","5","5","3","1") = "6"
    & skf21("6","7","2","4","5","5","4","1") = "6"
    & skf21("6","7","2","4","5","5","5","1") = "6"
    & skf21("6","7","2","4","5","5","6","1") = "6"
    & skf21("6","7","2","4","5","5","7","1") = "6"
    & skf21("6","7","2","4","5","6","1","1") = "6"
    & skf21("6","7","2","4","5","6","2","1") = "6"
    & skf21("6","7","2","4","5","6","3","1") = "6"
    & skf21("6","7","2","4","5","6","4","1") = "6"
    & skf21("6","7","2","4","5","6","5","1") = "6"
    & skf21("6","7","2","4","5","6","6","1") = "6"
    & skf21("6","7","2","4","5","6","7","1") = "6"
    & skf21("6","7","2","4","5","7","1","1") = "6"
    & skf21("6","7","2","4","5","7","2","1") = "6"
    & skf21("6","7","2","4","5","7","3","1") = "6"
    & skf21("6","7","2","4","5","7","4","1") = "6"
    & skf21("6","7","2","4","5","7","5","1") = "6"
    & skf21("6","7","2","4","5","7","6","1") = "6"
    & skf21("6","7","2","4","5","7","7","1") = "6"
    & skf21("6","7","2","4","6","1","1","1") = "6"
    & skf21("6","7","2","4","6","1","2","1") = "6"
    & skf21("6","7","2","4","6","1","3","1") = "6"
    & skf21("6","7","2","4","6","1","4","1") = "6"
    & skf21("6","7","2","4","6","1","5","1") = "6"
    & skf21("6","7","2","4","6","1","6","1") = "6"
    & skf21("6","7","2","4","6","1","7","1") = "6"
    & skf21("6","7","2","4","6","2","1","1") = "6"
    & skf21("6","7","2","4","6","2","2","1") = "6"
    & skf21("6","7","2","4","6","2","3","1") = "6"
    & skf21("6","7","2","4","6","2","4","1") = "6"
    & skf21("6","7","2","4","6","2","5","1") = "6"
    & skf21("6","7","2","4","6","2","6","1") = "6"
    & skf21("6","7","2","4","6","2","7","1") = "6"
    & skf21("6","7","2","4","6","3","1","1") = "6"
    & skf21("6","7","2","4","6","3","2","1") = "6"
    & skf21("6","7","2","4","6","3","3","1") = "6"
    & skf21("6","7","2","4","6","3","4","1") = "6"
    & skf21("6","7","2","4","6","3","5","1") = "6"
    & skf21("6","7","2","4","6","3","6","1") = "6"
    & skf21("6","7","2","4","6","3","7","1") = "6"
    & skf21("6","7","2","4","6","4","1","1") = "6"
    & skf21("6","7","2","4","6","4","2","1") = "6"
    & skf21("6","7","2","4","6","4","3","1") = "6"
    & skf21("6","7","2","4","6","4","4","1") = "6"
    & skf21("6","7","2","4","6","4","5","1") = "6"
    & skf21("6","7","2","4","6","4","6","1") = "6"
    & skf21("6","7","2","4","6","4","7","1") = "6"
    & skf21("6","7","2","4","6","5","1","1") = "6"
    & skf21("6","7","2","4","6","5","2","1") = "6"
    & skf21("6","7","2","4","6","5","3","1") = "6"
    & skf21("6","7","2","4","6","5","4","1") = "6"
    & skf21("6","7","2","4","6","5","5","1") = "6"
    & skf21("6","7","2","4","6","5","6","1") = "6"
    & skf21("6","7","2","4","6","5","7","1") = "6"
    & skf21("6","7","2","4","6","6","1","1") = "6"
    & skf21("6","7","2","4","6","6","2","1") = "6"
    & skf21("6","7","2","4","6","6","3","1") = "6"
    & skf21("6","7","2","4","6","6","4","1") = "6"
    & skf21("6","7","2","4","6","6","5","1") = "6"
    & skf21("6","7","2","4","6","6","6","1") = "6"
    & skf21("6","7","2","4","6","6","7","1") = "6"
    & skf21("6","7","2","4","6","7","1","1") = "6"
    & skf21("6","7","2","4","6","7","2","1") = "6"
    & skf21("6","7","2","4","6","7","3","1") = "6"
    & skf21("6","7","2","4","6","7","4","1") = "6"
    & skf21("6","7","2","4","6","7","5","1") = "6"
    & skf21("6","7","2","4","6","7","6","1") = "6"
    & skf21("6","7","2","4","6","7","7","1") = "6"
    & skf21("6","7","2","4","7","1","1","1") = "6"
    & skf21("6","7","2","4","7","1","2","1") = "6"
    & skf21("6","7","2","4","7","1","3","1") = "6"
    & skf21("6","7","2","4","7","1","4","1") = "6"
    & skf21("6","7","2","4","7","1","5","1") = "6"
    & skf21("6","7","2","4","7","1","6","1") = "6"
    & skf21("6","7","2","4","7","1","7","1") = "6"
    & skf21("6","7","2","4","7","2","1","1") = "6"
    & skf21("6","7","2","4","7","2","2","1") = "6"
    & skf21("6","7","2","4","7","2","3","1") = "6"
    & skf21("6","7","2","4","7","2","4","1") = "6"
    & skf21("6","7","2","4","7","2","5","1") = "6"
    & skf21("6","7","2","4","7","2","6","1") = "6"
    & skf21("6","7","2","4","7","2","7","1") = "6"
    & skf21("6","7","2","4","7","3","1","1") = "6"
    & skf21("6","7","2","4","7","3","2","1") = "6"
    & skf21("6","7","2","4","7","3","3","1") = "6"
    & skf21("6","7","2","4","7","3","4","1") = "6"
    & skf21("6","7","2","4","7","3","5","1") = "6"
    & skf21("6","7","2","4","7","3","6","1") = "6"
    & skf21("6","7","2","4","7","3","7","1") = "6"
    & skf21("6","7","2","4","7","4","1","1") = "6"
    & skf21("6","7","2","4","7","4","2","1") = "6"
    & skf21("6","7","2","4","7","4","3","1") = "6"
    & skf21("6","7","2","4","7","4","4","1") = "6"
    & skf21("6","7","2","4","7","4","5","1") = "6"
    & skf21("6","7","2","4","7","4","6","1") = "6"
    & skf21("6","7","2","4","7","4","7","1") = "6"
    & skf21("6","7","2","4","7","5","1","1") = "6"
    & skf21("6","7","2","4","7","5","2","1") = "6"
    & skf21("6","7","2","4","7","5","3","1") = "6"
    & skf21("6","7","2","4","7","5","4","1") = "6"
    & skf21("6","7","2","4","7","5","5","1") = "6"
    & skf21("6","7","2","4","7","5","6","1") = "6"
    & skf21("6","7","2","4","7","5","7","1") = "6"
    & skf21("6","7","2","4","7","6","1","1") = "6"
    & skf21("6","7","2","4","7","6","2","1") = "6"
    & skf21("6","7","2","4","7","6","3","1") = "6"
    & skf21("6","7","2","4","7","6","4","1") = "6"
    & skf21("6","7","2","4","7","6","5","1") = "6"
    & skf21("6","7","2","4","7","6","6","1") = "6"
    & skf21("6","7","2","4","7","6","7","1") = "6"
    & skf21("6","7","2","4","7","7","1","1") = "6"
    & skf21("6","7","2","4","7","7","2","1") = "6"
    & skf21("6","7","2","4","7","7","3","1") = "6"
    & skf21("6","7","2","4","7","7","4","1") = "6"
    & skf21("6","7","2","4","7","7","5","1") = "6"
    & skf21("6","7","2","4","7","7","6","1") = "6"
    & skf21("6","7","2","4","7","7","7","1") = "6"
    & skf21("6","7","2","5","1","1","1","1") = "6"
    & skf21("6","7","2","5","1","1","2","1") = "6"
    & skf21("6","7","2","5","1","1","3","1") = "6"
    & skf21("6","7","2","5","1","1","4","1") = "6"
    & skf21("6","7","2","5","1","1","5","1") = "6"
    & skf21("6","7","2","5","1","1","6","1") = "6"
    & skf21("6","7","2","5","1","1","7","1") = "6"
    & skf21("6","7","2","5","1","2","1","1") = "6"
    & skf21("6","7","2","5","1","2","2","1") = "6"
    & skf21("6","7","2","5","1","2","3","1") = "6"
    & skf21("6","7","2","5","1","2","4","1") = "6"
    & skf21("6","7","2","5","1","2","5","1") = "6"
    & skf21("6","7","2","5","1","2","6","1") = "6"
    & skf21("6","7","2","5","1","2","7","1") = "6"
    & skf21("6","7","2","5","1","3","1","1") = "6"
    & skf21("6","7","2","5","1","3","2","1") = "6"
    & skf21("6","7","2","5","1","3","3","1") = "6"
    & skf21("6","7","2","5","1","3","4","1") = "6"
    & skf21("6","7","2","5","1","3","5","1") = "6"
    & skf21("6","7","2","5","1","3","6","1") = "6"
    & skf21("6","7","2","5","1","3","7","1") = "6"
    & skf21("6","7","2","5","1","4","1","1") = "6"
    & skf21("6","7","2","5","1","4","2","1") = "6"
    & skf21("6","7","2","5","1","4","3","1") = "6"
    & skf21("6","7","2","5","1","4","4","1") = "6"
    & skf21("6","7","2","5","1","4","5","1") = "6"
    & skf21("6","7","2","5","1","4","6","1") = "6"
    & skf21("6","7","2","5","1","4","7","1") = "6"
    & skf21("6","7","2","5","1","5","1","1") = "6"
    & skf21("6","7","2","5","1","5","2","1") = "6"
    & skf21("6","7","2","5","1","5","3","1") = "6"
    & skf21("6","7","2","5","1","5","4","1") = "6"
    & skf21("6","7","2","5","1","5","5","1") = "6"
    & skf21("6","7","2","5","1","5","6","1") = "6"
    & skf21("6","7","2","5","1","5","7","1") = "6"
    & skf21("6","7","2","5","1","6","1","1") = "6"
    & skf21("6","7","2","5","1","6","2","1") = "6"
    & skf21("6","7","2","5","1","6","3","1") = "6"
    & skf21("6","7","2","5","1","6","4","1") = "6"
    & skf21("6","7","2","5","1","6","5","1") = "6"
    & skf21("6","7","2","5","1","6","6","1") = "6"
    & skf21("6","7","2","5","1","6","7","1") = "6"
    & skf21("6","7","2","5","1","7","1","1") = "6"
    & skf21("6","7","2","5","1","7","2","1") = "6"
    & skf21("6","7","2","5","1","7","3","1") = "6"
    & skf21("6","7","2","5","1","7","4","1") = "6"
    & skf21("6","7","2","5","1","7","5","1") = "6"
    & skf21("6","7","2","5","1","7","6","1") = "6"
    & skf21("6","7","2","5","1","7","7","1") = "6"
    & skf21("6","7","2","5","2","1","1","1") = "6"
    & skf21("6","7","2","5","2","1","2","1") = "6"
    & skf21("6","7","2","5","2","1","3","1") = "6"
    & skf21("6","7","2","5","2","1","4","1") = "6"
    & skf21("6","7","2","5","2","1","5","1") = "6"
    & skf21("6","7","2","5","2","1","6","1") = "6"
    & skf21("6","7","2","5","2","1","7","1") = "6"
    & skf21("6","7","2","5","2","2","1","1") = "6"
    & skf21("6","7","2","5","2","2","2","1") = "6"
    & skf21("6","7","2","5","2","2","3","1") = "6"
    & skf21("6","7","2","5","2","2","4","1") = "6"
    & skf21("6","7","2","5","2","2","5","1") = "6"
    & skf21("6","7","2","5","2","2","6","1") = "6"
    & skf21("6","7","2","5","2","2","7","1") = "6"
    & skf21("6","7","2","5","2","3","1","1") = "6"
    & skf21("6","7","2","5","2","3","2","1") = "6"
    & skf21("6","7","2","5","2","3","3","1") = "6"
    & skf21("6","7","2","5","2","3","4","1") = "6"
    & skf21("6","7","2","5","2","3","5","1") = "6"
    & skf21("6","7","2","5","2","3","6","1") = "6"
    & skf21("6","7","2","5","2","3","7","1") = "6"
    & skf21("6","7","2","5","2","4","1","1") = "6"
    & skf21("6","7","2","5","2","4","2","1") = "6"
    & skf21("6","7","2","5","2","4","3","1") = "6"
    & skf21("6","7","2","5","2","4","4","1") = "6"
    & skf21("6","7","2","5","2","4","5","1") = "6"
    & skf21("6","7","2","5","2","4","6","1") = "6"
    & skf21("6","7","2","5","2","4","7","1") = "6"
    & skf21("6","7","2","5","2","5","1","1") = "6"
    & skf21("6","7","2","5","2","5","2","1") = "6"
    & skf21("6","7","2","5","2","5","3","1") = "6"
    & skf21("6","7","2","5","2","5","4","1") = "6"
    & skf21("6","7","2","5","2","5","5","1") = "6"
    & skf21("6","7","2","5","2","5","6","1") = "6"
    & skf21("6","7","2","5","2","5","7","1") = "6"
    & skf21("6","7","2","5","2","6","1","1") = "6"
    & skf21("6","7","2","5","2","6","2","1") = "6"
    & skf21("6","7","2","5","2","6","3","1") = "6"
    & skf21("6","7","2","5","2","6","4","1") = "6"
    & skf21("6","7","2","5","2","6","5","1") = "6"
    & skf21("6","7","2","5","2","6","6","1") = "6"
    & skf21("6","7","2","5","2","6","7","1") = "6"
    & skf21("6","7","2","5","2","7","1","1") = "6"
    & skf21("6","7","2","5","2","7","2","1") = "6"
    & skf21("6","7","2","5","2","7","3","1") = "6"
    & skf21("6","7","2","5","2","7","4","1") = "6"
    & skf21("6","7","2","5","2","7","5","1") = "6"
    & skf21("6","7","2","5","2","7","6","1") = "6"
    & skf21("6","7","2","5","2","7","7","1") = "6"
    & skf21("6","7","2","5","3","1","1","1") = "6"
    & skf21("6","7","2","5","3","1","2","1") = "6"
    & skf21("6","7","2","5","3","1","3","1") = "6"
    & skf21("6","7","2","5","3","1","4","1") = "6"
    & skf21("6","7","2","5","3","1","5","1") = "6"
    & skf21("6","7","2","5","3","1","6","1") = "6"
    & skf21("6","7","2","5","3","1","7","1") = "6"
    & skf21("6","7","2","5","3","2","1","1") = "6"
    & skf21("6","7","2","5","3","2","2","1") = "6"
    & skf21("6","7","2","5","3","2","3","1") = "6"
    & skf21("6","7","2","5","3","2","4","1") = "6"
    & skf21("6","7","2","5","3","2","5","1") = "6"
    & skf21("6","7","2","5","3","2","6","1") = "6"
    & skf21("6","7","2","5","3","2","7","1") = "6"
    & skf21("6","7","2","5","3","3","1","1") = "6"
    & skf21("6","7","2","5","3","3","2","1") = "6"
    & skf21("6","7","2","5","3","3","3","1") = "6"
    & skf21("6","7","2","5","3","3","4","1") = "6"
    & skf21("6","7","2","5","3","3","5","1") = "6"
    & skf21("6","7","2","5","3","3","6","1") = "6"
    & skf21("6","7","2","5","3","3","7","1") = "6"
    & skf21("6","7","2","5","3","4","1","1") = "6"
    & skf21("6","7","2","5","3","4","2","1") = "6"
    & skf21("6","7","2","5","3","4","3","1") = "6"
    & skf21("6","7","2","5","3","4","4","1") = "6"
    & skf21("6","7","2","5","3","4","5","1") = "6"
    & skf21("6","7","2","5","3","4","6","1") = "6"
    & skf21("6","7","2","5","3","4","7","1") = "6"
    & skf21("6","7","2","5","3","5","1","1") = "6"
    & skf21("6","7","2","5","3","5","2","1") = "6"
    & skf21("6","7","2","5","3","5","3","1") = "6"
    & skf21("6","7","2","5","3","5","4","1") = "6"
    & skf21("6","7","2","5","3","5","5","1") = "6"
    & skf21("6","7","2","5","3","5","6","1") = "6"
    & skf21("6","7","2","5","3","5","7","1") = "6"
    & skf21("6","7","2","5","3","6","1","1") = "6"
    & skf21("6","7","2","5","3","6","2","1") = "6"
    & skf21("6","7","2","5","3","6","3","1") = "6"
    & skf21("6","7","2","5","3","6","4","1") = "6"
    & skf21("6","7","2","5","3","6","5","1") = "6"
    & skf21("6","7","2","5","3","6","6","1") = "6"
    & skf21("6","7","2","5","3","6","7","1") = "6"
    & skf21("6","7","2","5","3","7","1","1") = "6"
    & skf21("6","7","2","5","3","7","2","1") = "6"
    & skf21("6","7","2","5","3","7","3","1") = "6"
    & skf21("6","7","2","5","3","7","4","1") = "6"
    & skf21("6","7","2","5","3","7","5","1") = "6"
    & skf21("6","7","2","5","3","7","6","1") = "6"
    & skf21("6","7","2","5","3","7","7","1") = "6"
    & skf21("6","7","2","5","4","1","1","1") = "6"
    & skf21("6","7","2","5","4","1","2","1") = "6"
    & skf21("6","7","2","5","4","1","3","1") = "6"
    & skf21("6","7","2","5","4","1","4","1") = "6"
    & skf21("6","7","2","5","4","1","5","1") = "6"
    & skf21("6","7","2","5","4","1","6","1") = "6"
    & skf21("6","7","2","5","4","1","7","1") = "6"
    & skf21("6","7","2","5","4","2","1","1") = "6"
    & skf21("6","7","2","5","4","2","2","1") = "6"
    & skf21("6","7","2","5","4","2","3","1") = "6"
    & skf21("6","7","2","5","4","2","4","1") = "6"
    & skf21("6","7","2","5","4","2","5","1") = "6"
    & skf21("6","7","2","5","4","2","6","1") = "6"
    & skf21("6","7","2","5","4","2","7","1") = "6"
    & skf21("6","7","2","5","4","3","1","1") = "6"
    & skf21("6","7","2","5","4","3","2","1") = "6"
    & skf21("6","7","2","5","4","3","3","1") = "6"
    & skf21("6","7","2","5","4","3","4","1") = "6"
    & skf21("6","7","2","5","4","3","5","1") = "6"
    & skf21("6","7","2","5","4","3","6","1") = "6"
    & skf21("6","7","2","5","4","3","7","1") = "6"
    & skf21("6","7","2","5","4","4","1","1") = "6"
    & skf21("6","7","2","5","4","4","2","1") = "6"
    & skf21("6","7","2","5","4","4","3","1") = "6"
    & skf21("6","7","2","5","4","4","4","1") = "6"
    & skf21("6","7","2","5","4","4","5","1") = "6"
    & skf21("6","7","2","5","4","4","6","1") = "6"
    & skf21("6","7","2","5","4","4","7","1") = "6"
    & skf21("6","7","2","5","4","5","1","1") = "6"
    & skf21("6","7","2","5","4","5","2","1") = "6"
    & skf21("6","7","2","5","4","5","3","1") = "6"
    & skf21("6","7","2","5","4","5","4","1") = "6"
    & skf21("6","7","2","5","4","5","5","1") = "6"
    & skf21("6","7","2","5","4","5","6","1") = "6"
    & skf21("6","7","2","5","4","5","7","1") = "6"
    & skf21("6","7","2","5","4","6","1","1") = "6"
    & skf21("6","7","2","5","4","6","2","1") = "6"
    & skf21("6","7","2","5","4","6","3","1") = "6"
    & skf21("6","7","2","5","4","6","4","1") = "6"
    & skf21("6","7","2","5","4","6","5","1") = "6"
    & skf21("6","7","2","5","4","6","6","1") = "6"
    & skf21("6","7","2","5","4","6","7","1") = "6"
    & skf21("6","7","2","5","4","7","1","1") = "6"
    & skf21("6","7","2","5","4","7","2","1") = "6"
    & skf21("6","7","2","5","4","7","3","1") = "6"
    & skf21("6","7","2","5","4","7","4","1") = "6"
    & skf21("6","7","2","5","4","7","5","1") = "6"
    & skf21("6","7","2","5","4","7","6","1") = "6"
    & skf21("6","7","2","5","4","7","7","1") = "6"
    & skf21("6","7","2","5","5","1","1","1") = "6"
    & skf21("6","7","2","5","5","1","2","1") = "6"
    & skf21("6","7","2","5","5","1","3","1") = "6"
    & skf21("6","7","2","5","5","1","4","1") = "6"
    & skf21("6","7","2","5","5","1","5","1") = "6"
    & skf21("6","7","2","5","5","1","6","1") = "6"
    & skf21("6","7","2","5","5","1","7","1") = "6"
    & skf21("6","7","2","5","5","2","1","1") = "6"
    & skf21("6","7","2","5","5","2","2","1") = "6"
    & skf21("6","7","2","5","5","2","3","1") = "6"
    & skf21("6","7","2","5","5","2","4","1") = "6"
    & skf21("6","7","2","5","5","2","5","1") = "6"
    & skf21("6","7","2","5","5","2","6","1") = "6"
    & skf21("6","7","2","5","5","2","7","1") = "6"
    & skf21("6","7","2","5","5","3","1","1") = "6"
    & skf21("6","7","2","5","5","3","2","1") = "6"
    & skf21("6","7","2","5","5","3","3","1") = "6"
    & skf21("6","7","2","5","5","3","4","1") = "6"
    & skf21("6","7","2","5","5","3","5","1") = "6"
    & skf21("6","7","2","5","5","3","6","1") = "6"
    & skf21("6","7","2","5","5","3","7","1") = "6"
    & skf21("6","7","2","5","5","4","1","1") = "6"
    & skf21("6","7","2","5","5","4","2","1") = "6"
    & skf21("6","7","2","5","5","4","3","1") = "6"
    & skf21("6","7","2","5","5","4","4","1") = "6"
    & skf21("6","7","2","5","5","4","5","1") = "6"
    & skf21("6","7","2","5","5","4","6","1") = "6"
    & skf21("6","7","2","5","5","4","7","1") = "6"
    & skf21("6","7","2","5","5","5","1","1") = "6"
    & skf21("6","7","2","5","5","5","2","1") = "6"
    & skf21("6","7","2","5","5","5","3","1") = "6"
    & skf21("6","7","2","5","5","5","4","1") = "6"
    & skf21("6","7","2","5","5","5","5","1") = "6"
    & skf21("6","7","2","5","5","5","6","1") = "6"
    & skf21("6","7","2","5","5","5","7","1") = "6"
    & skf21("6","7","2","5","5","6","1","1") = "6"
    & skf21("6","7","2","5","5","6","2","1") = "6"
    & skf21("6","7","2","5","5","6","3","1") = "6"
    & skf21("6","7","2","5","5","6","4","1") = "6"
    & skf21("6","7","2","5","5","6","5","1") = "6"
    & skf21("6","7","2","5","5","6","6","1") = "6"
    & skf21("6","7","2","5","5","6","7","1") = "6"
    & skf21("6","7","2","5","5","7","1","1") = "6"
    & skf21("6","7","2","5","5","7","2","1") = "6"
    & skf21("6","7","2","5","5","7","3","1") = "6"
    & skf21("6","7","2","5","5","7","4","1") = "6"
    & skf21("6","7","2","5","5","7","5","1") = "6"
    & skf21("6","7","2","5","5","7","6","1") = "6"
    & skf21("6","7","2","5","5","7","7","1") = "6"
    & skf21("6","7","2","5","6","1","1","1") = "6"
    & skf21("6","7","2","5","6","1","2","1") = "6"
    & skf21("6","7","2","5","6","1","3","1") = "6"
    & skf21("6","7","2","5","6","1","4","1") = "6"
    & skf21("6","7","2","5","6","1","5","1") = "6"
    & skf21("6","7","2","5","6","1","6","1") = "6"
    & skf21("6","7","2","5","6","1","7","1") = "6"
    & skf21("6","7","2","5","6","2","1","1") = "6"
    & skf21("6","7","2","5","6","2","2","1") = "6"
    & skf21("6","7","2","5","6","2","3","1") = "6"
    & skf21("6","7","2","5","6","2","4","1") = "6"
    & skf21("6","7","2","5","6","2","5","1") = "6"
    & skf21("6","7","2","5","6","2","6","1") = "6"
    & skf21("6","7","2","5","6","2","7","1") = "6"
    & skf21("6","7","2","5","6","3","1","1") = "6"
    & skf21("6","7","2","5","6","3","2","1") = "6"
    & skf21("6","7","2","5","6","3","3","1") = "6"
    & skf21("6","7","2","5","6","3","4","1") = "6"
    & skf21("6","7","2","5","6","3","5","1") = "6"
    & skf21("6","7","2","5","6","3","6","1") = "6"
    & skf21("6","7","2","5","6","3","7","1") = "6"
    & skf21("6","7","2","5","6","4","1","1") = "6"
    & skf21("6","7","2","5","6","4","2","1") = "6"
    & skf21("6","7","2","5","6","4","3","1") = "6"
    & skf21("6","7","2","5","6","4","4","1") = "6"
    & skf21("6","7","2","5","6","4","5","1") = "6"
    & skf21("6","7","2","5","6","4","6","1") = "6"
    & skf21("6","7","2","5","6","4","7","1") = "6"
    & skf21("6","7","2","5","6","5","1","1") = "6"
    & skf21("6","7","2","5","6","5","2","1") = "6"
    & skf21("6","7","2","5","6","5","3","1") = "6"
    & skf21("6","7","2","5","6","5","4","1") = "6"
    & skf21("6","7","2","5","6","5","5","1") = "6"
    & skf21("6","7","2","5","6","5","6","1") = "6"
    & skf21("6","7","2","5","6","5","7","1") = "6"
    & skf21("6","7","2","5","6","6","1","1") = "6"
    & skf21("6","7","2","5","6","6","2","1") = "6"
    & skf21("6","7","2","5","6","6","3","1") = "6"
    & skf21("6","7","2","5","6","6","4","1") = "6"
    & skf21("6","7","2","5","6","6","5","1") = "6"
    & skf21("6","7","2","5","6","6","6","1") = "6"
    & skf21("6","7","2","5","6","6","7","1") = "6"
    & skf21("6","7","2","5","6","7","1","1") = "6"
    & skf21("6","7","2","5","6","7","2","1") = "6"
    & skf21("6","7","2","5","6","7","3","1") = "6"
    & skf21("6","7","2","5","6","7","4","1") = "6"
    & skf21("6","7","2","5","6","7","5","1") = "6"
    & skf21("6","7","2","5","6","7","6","1") = "6"
    & skf21("6","7","2","5","6","7","7","1") = "6"
    & skf21("6","7","2","5","7","1","1","1") = "6"
    & skf21("6","7","2","5","7","1","2","1") = "6"
    & skf21("6","7","2","5","7","1","3","1") = "6"
    & skf21("6","7","2","5","7","1","4","1") = "6"
    & skf21("6","7","2","5","7","1","5","1") = "6"
    & skf21("6","7","2","5","7","1","6","1") = "6"
    & skf21("6","7","2","5","7","1","7","1") = "6"
    & skf21("6","7","2","5","7","2","1","1") = "6"
    & skf21("6","7","2","5","7","2","2","1") = "6"
    & skf21("6","7","2","5","7","2","3","1") = "6"
    & skf21("6","7","2","5","7","2","4","1") = "6"
    & skf21("6","7","2","5","7","2","5","1") = "6"
    & skf21("6","7","2","5","7","2","6","1") = "6"
    & skf21("6","7","2","5","7","2","7","1") = "6"
    & skf21("6","7","2","5","7","3","1","1") = "6"
    & skf21("6","7","2","5","7","3","2","1") = "6"
    & skf21("6","7","2","5","7","3","3","1") = "6"
    & skf21("6","7","2","5","7","3","4","1") = "6"
    & skf21("6","7","2","5","7","3","5","1") = "6"
    & skf21("6","7","2","5","7","3","6","1") = "6"
    & skf21("6","7","2","5","7","3","7","1") = "6"
    & skf21("6","7","2","5","7","4","1","1") = "6"
    & skf21("6","7","2","5","7","4","2","1") = "6"
    & skf21("6","7","2","5","7","4","3","1") = "6"
    & skf21("6","7","2","5","7","4","4","1") = "6"
    & skf21("6","7","2","5","7","4","5","1") = "6"
    & skf21("6","7","2","5","7","4","6","1") = "6"
    & skf21("6","7","2","5","7","4","7","1") = "6"
    & skf21("6","7","2","5","7","5","1","1") = "6"
    & skf21("6","7","2","5","7","5","2","1") = "6"
    & skf21("6","7","2","5","7","5","3","1") = "6"
    & skf21("6","7","2","5","7","5","4","1") = "6"
    & skf21("6","7","2","5","7","5","5","1") = "6"
    & skf21("6","7","2","5","7","5","6","1") = "6"
    & skf21("6","7","2","5","7","5","7","1") = "6"
    & skf21("6","7","2","5","7","6","1","1") = "6"
    & skf21("6","7","2","5","7","6","2","1") = "6"
    & skf21("6","7","2","5","7","6","3","1") = "6"
    & skf21("6","7","2","5","7","6","4","1") = "6"
    & skf21("6","7","2","5","7","6","5","1") = "6"
    & skf21("6","7","2","5","7","6","6","1") = "6"
    & skf21("6","7","2","5","7","6","7","1") = "6"
    & skf21("6","7","2","5","7","7","1","1") = "6"
    & skf21("6","7","2","5","7","7","2","1") = "6"
    & skf21("6","7","2","5","7","7","3","1") = "6"
    & skf21("6","7","2","5","7","7","4","1") = "6"
    & skf21("6","7","2","5","7","7","5","1") = "6"
    & skf21("6","7","2","5","7","7","6","1") = "6"
    & skf21("6","7","2","5","7","7","7","1") = "6"
    & skf21("6","7","2","6","1","1","1","1") = "6"
    & skf21("6","7","2","6","1","1","2","1") = "6"
    & skf21("6","7","2","6","1","1","3","1") = "6"
    & skf21("6","7","2","6","1","1","4","1") = "6"
    & skf21("6","7","2","6","1","1","5","1") = "6"
    & skf21("6","7","2","6","1","1","6","1") = "6"
    & skf21("6","7","2","6","1","1","7","1") = "6"
    & skf21("6","7","2","6","1","2","1","1") = "6"
    & skf21("6","7","2","6","1","2","2","1") = "6"
    & skf21("6","7","2","6","1","2","3","1") = "6"
    & skf21("6","7","2","6","1","2","4","1") = "6"
    & skf21("6","7","2","6","1","2","5","1") = "6"
    & skf21("6","7","2","6","1","2","6","1") = "6"
    & skf21("6","7","2","6","1","2","7","1") = "6"
    & skf21("6","7","2","6","1","3","1","1") = "6"
    & skf21("6","7","2","6","1","3","2","1") = "6"
    & skf21("6","7","2","6","1","3","3","1") = "6"
    & skf21("6","7","2","6","1","3","4","1") = "6"
    & skf21("6","7","2","6","1","3","5","1") = "6"
    & skf21("6","7","2","6","1","3","6","1") = "6"
    & skf21("6","7","2","6","1","3","7","1") = "6"
    & skf21("6","7","2","6","1","4","1","1") = "6"
    & skf21("6","7","2","6","1","4","2","1") = "6"
    & skf21("6","7","2","6","1","4","3","1") = "6"
    & skf21("6","7","2","6","1","4","4","1") = "6"
    & skf21("6","7","2","6","1","4","5","1") = "6"
    & skf21("6","7","2","6","1","4","6","1") = "6"
    & skf21("6","7","2","6","1","4","7","1") = "6"
    & skf21("6","7","2","6","1","5","1","1") = "6"
    & skf21("6","7","2","6","1","5","2","1") = "6"
    & skf21("6","7","2","6","1","5","3","1") = "6"
    & skf21("6","7","2","6","1","5","4","1") = "6"
    & skf21("6","7","2","6","1","5","5","1") = "6"
    & skf21("6","7","2","6","1","5","6","1") = "6"
    & skf21("6","7","2","6","1","5","7","1") = "6"
    & skf21("6","7","2","6","1","6","1","1") = "6"
    & skf21("6","7","2","6","1","6","2","1") = "6"
    & skf21("6","7","2","6","1","6","3","1") = "6"
    & skf21("6","7","2","6","1","6","4","1") = "6"
    & skf21("6","7","2","6","1","6","5","1") = "6"
    & skf21("6","7","2","6","1","6","6","1") = "6"
    & skf21("6","7","2","6","1","6","7","1") = "6"
    & skf21("6","7","2","6","1","7","1","1") = "6"
    & skf21("6","7","2","6","1","7","2","1") = "6"
    & skf21("6","7","2","6","1","7","3","1") = "6"
    & skf21("6","7","2","6","1","7","4","1") = "6"
    & skf21("6","7","2","6","1","7","5","1") = "6"
    & skf21("6","7","2","6","1","7","6","1") = "6"
    & skf21("6","7","2","6","1","7","7","1") = "6"
    & skf21("6","7","2","6","2","1","1","1") = "6"
    & skf21("6","7","2","6","2","1","2","1") = "6"
    & skf21("6","7","2","6","2","1","3","1") = "6"
    & skf21("6","7","2","6","2","1","4","1") = "6"
    & skf21("6","7","2","6","2","1","5","1") = "6"
    & skf21("6","7","2","6","2","1","6","1") = "6"
    & skf21("6","7","2","6","2","1","7","1") = "6"
    & skf21("6","7","2","6","2","2","1","1") = "6"
    & skf21("6","7","2","6","2","2","2","1") = "6"
    & skf21("6","7","2","6","2","2","3","1") = "6"
    & skf21("6","7","2","6","2","2","4","1") = "6"
    & skf21("6","7","2","6","2","2","5","1") = "6"
    & skf21("6","7","2","6","2","2","6","1") = "6"
    & skf21("6","7","2","6","2","2","7","1") = "6"
    & skf21("6","7","2","6","2","3","1","1") = "6"
    & skf21("6","7","2","6","2","3","2","1") = "6"
    & skf21("6","7","2","6","2","3","3","1") = "6"
    & skf21("6","7","2","6","2","3","4","1") = "6"
    & skf21("6","7","2","6","2","3","5","1") = "6"
    & skf21("6","7","2","6","2","3","6","1") = "6"
    & skf21("6","7","2","6","2","3","7","1") = "6"
    & skf21("6","7","2","6","2","4","1","1") = "6"
    & skf21("6","7","2","6","2","4","2","1") = "6"
    & skf21("6","7","2","6","2","4","3","1") = "6"
    & skf21("6","7","2","6","2","4","4","1") = "6"
    & skf21("6","7","2","6","2","4","5","1") = "6"
    & skf21("6","7","2","6","2","4","6","1") = "6"
    & skf21("6","7","2","6","2","4","7","1") = "6"
    & skf21("6","7","2","6","2","5","1","1") = "6"
    & skf21("6","7","2","6","2","5","2","1") = "6"
    & skf21("6","7","2","6","2","5","3","1") = "6"
    & skf21("6","7","2","6","2","5","4","1") = "6"
    & skf21("6","7","2","6","2","5","5","1") = "6"
    & skf21("6","7","2","6","2","5","6","1") = "6"
    & skf21("6","7","2","6","2","5","7","1") = "6"
    & skf21("6","7","2","6","2","6","1","1") = "6"
    & skf21("6","7","2","6","2","6","2","1") = "6"
    & skf21("6","7","2","6","2","6","3","1") = "6"
    & skf21("6","7","2","6","2","6","4","1") = "6"
    & skf21("6","7","2","6","2","6","5","1") = "6"
    & skf21("6","7","2","6","2","6","6","1") = "6"
    & skf21("6","7","2","6","2","6","7","1") = "6"
    & skf21("6","7","2","6","2","7","1","1") = "6"
    & skf21("6","7","2","6","2","7","2","1") = "6"
    & skf21("6","7","2","6","2","7","3","1") = "6"
    & skf21("6","7","2","6","2","7","4","1") = "6"
    & skf21("6","7","2","6","2","7","5","1") = "6"
    & skf21("6","7","2","6","2","7","6","1") = "6"
    & skf21("6","7","2","6","2","7","7","1") = "6"
    & skf21("6","7","2","6","3","1","1","1") = "6"
    & skf21("6","7","2","6","3","1","2","1") = "6"
    & skf21("6","7","2","6","3","1","3","1") = "6"
    & skf21("6","7","2","6","3","1","4","1") = "6"
    & skf21("6","7","2","6","3","1","5","1") = "6"
    & skf21("6","7","2","6","3","1","6","1") = "6"
    & skf21("6","7","2","6","3","1","7","1") = "6"
    & skf21("6","7","2","6","3","2","1","1") = "6"
    & skf21("6","7","2","6","3","2","2","1") = "6"
    & skf21("6","7","2","6","3","2","3","1") = "6"
    & skf21("6","7","2","6","3","2","4","1") = "6"
    & skf21("6","7","2","6","3","2","5","1") = "6"
    & skf21("6","7","2","6","3","2","6","1") = "6"
    & skf21("6","7","2","6","3","2","7","1") = "6"
    & skf21("6","7","2","6","3","3","1","1") = "6"
    & skf21("6","7","2","6","3","3","2","1") = "6"
    & skf21("6","7","2","6","3","3","3","1") = "6"
    & skf21("6","7","2","6","3","3","4","1") = "6"
    & skf21("6","7","2","6","3","3","5","1") = "6"
    & skf21("6","7","2","6","3","3","6","1") = "6"
    & skf21("6","7","2","6","3","3","7","1") = "6"
    & skf21("6","7","2","6","3","4","1","1") = "6"
    & skf21("6","7","2","6","3","4","2","1") = "6"
    & skf21("6","7","2","6","3","4","3","1") = "6"
    & skf21("6","7","2","6","3","4","4","1") = "6"
    & skf21("6","7","2","6","3","4","5","1") = "6"
    & skf21("6","7","2","6","3","4","6","1") = "6"
    & skf21("6","7","2","6","3","4","7","1") = "6"
    & skf21("6","7","2","6","3","5","1","1") = "6"
    & skf21("6","7","2","6","3","5","2","1") = "6"
    & skf21("6","7","2","6","3","5","3","1") = "6"
    & skf21("6","7","2","6","3","5","4","1") = "6"
    & skf21("6","7","2","6","3","5","5","1") = "6"
    & skf21("6","7","2","6","3","5","6","1") = "6"
    & skf21("6","7","2","6","3","5","7","1") = "6"
    & skf21("6","7","2","6","3","6","1","1") = "6"
    & skf21("6","7","2","6","3","6","2","1") = "6"
    & skf21("6","7","2","6","3","6","3","1") = "6"
    & skf21("6","7","2","6","3","6","4","1") = "6"
    & skf21("6","7","2","6","3","6","5","1") = "6"
    & skf21("6","7","2","6","3","6","6","1") = "6"
    & skf21("6","7","2","6","3","6","7","1") = "6"
    & skf21("6","7","2","6","3","7","1","1") = "6"
    & skf21("6","7","2","6","3","7","2","1") = "6"
    & skf21("6","7","2","6","3","7","3","1") = "6"
    & skf21("6","7","2","6","3","7","4","1") = "6"
    & skf21("6","7","2","6","3","7","5","1") = "6"
    & skf21("6","7","2","6","3","7","6","1") = "6"
    & skf21("6","7","2","6","3","7","7","1") = "6"
    & skf21("6","7","2","6","4","1","1","1") = "6"
    & skf21("6","7","2","6","4","1","2","1") = "6"
    & skf21("6","7","2","6","4","1","3","1") = "6"
    & skf21("6","7","2","6","4","1","4","1") = "6"
    & skf21("6","7","2","6","4","1","5","1") = "6"
    & skf21("6","7","2","6","4","1","6","1") = "6"
    & skf21("6","7","2","6","4","1","7","1") = "6"
    & skf21("6","7","2","6","4","2","1","1") = "6"
    & skf21("6","7","2","6","4","2","2","1") = "6"
    & skf21("6","7","2","6","4","2","3","1") = "6"
    & skf21("6","7","2","6","4","2","4","1") = "6"
    & skf21("6","7","2","6","4","2","5","1") = "6"
    & skf21("6","7","2","6","4","2","6","1") = "6"
    & skf21("6","7","2","6","4","2","7","1") = "6"
    & skf21("6","7","2","6","4","3","1","1") = "6"
    & skf21("6","7","2","6","4","3","2","1") = "6"
    & skf21("6","7","2","6","4","3","3","1") = "6"
    & skf21("6","7","2","6","4","3","4","1") = "6"
    & skf21("6","7","2","6","4","3","5","1") = "6"
    & skf21("6","7","2","6","4","3","6","1") = "6"
    & skf21("6","7","2","6","4","3","7","1") = "6"
    & skf21("6","7","2","6","4","4","1","1") = "6"
    & skf21("6","7","2","6","4","4","2","1") = "6"
    & skf21("6","7","2","6","4","4","3","1") = "6"
    & skf21("6","7","2","6","4","4","4","1") = "6"
    & skf21("6","7","2","6","4","4","5","1") = "6"
    & skf21("6","7","2","6","4","4","6","1") = "6"
    & skf21("6","7","2","6","4","4","7","1") = "6"
    & skf21("6","7","2","6","4","5","1","1") = "6"
    & skf21("6","7","2","6","4","5","2","1") = "6"
    & skf21("6","7","2","6","4","5","3","1") = "6"
    & skf21("6","7","2","6","4","5","4","1") = "6"
    & skf21("6","7","2","6","4","5","5","1") = "6"
    & skf21("6","7","2","6","4","5","6","1") = "6"
    & skf21("6","7","2","6","4","5","7","1") = "6"
    & skf21("6","7","2","6","4","6","1","1") = "6"
    & skf21("6","7","2","6","4","6","2","1") = "6"
    & skf21("6","7","2","6","4","6","3","1") = "6"
    & skf21("6","7","2","6","4","6","4","1") = "6"
    & skf21("6","7","2","6","4","6","5","1") = "6"
    & skf21("6","7","2","6","4","6","6","1") = "6"
    & skf21("6","7","2","6","4","6","7","1") = "6"
    & skf21("6","7","2","6","4","7","1","1") = "6"
    & skf21("6","7","2","6","4","7","2","1") = "6"
    & skf21("6","7","2","6","4","7","3","1") = "6"
    & skf21("6","7","2","6","4","7","4","1") = "6"
    & skf21("6","7","2","6","4","7","5","1") = "6"
    & skf21("6","7","2","6","4","7","6","1") = "6"
    & skf21("6","7","2","6","4","7","7","1") = "6"
    & skf21("6","7","2","6","5","1","1","1") = "6"
    & skf21("6","7","2","6","5","1","2","1") = "6"
    & skf21("6","7","2","6","5","1","3","1") = "6"
    & skf21("6","7","2","6","5","1","4","1") = "6"
    & skf21("6","7","2","6","5","1","5","1") = "6"
    & skf21("6","7","2","6","5","1","6","1") = "6"
    & skf21("6","7","2","6","5","1","7","1") = "6"
    & skf21("6","7","2","6","5","2","1","1") = "6"
    & skf21("6","7","2","6","5","2","2","1") = "6"
    & skf21("6","7","2","6","5","2","3","1") = "6"
    & skf21("6","7","2","6","5","2","4","1") = "6"
    & skf21("6","7","2","6","5","2","5","1") = "6"
    & skf21("6","7","2","6","5","2","6","1") = "6"
    & skf21("6","7","2","6","5","2","7","1") = "6"
    & skf21("6","7","2","6","5","3","1","1") = "6"
    & skf21("6","7","2","6","5","3","2","1") = "6"
    & skf21("6","7","2","6","5","3","3","1") = "6"
    & skf21("6","7","2","6","5","3","4","1") = "6"
    & skf21("6","7","2","6","5","3","5","1") = "6"
    & skf21("6","7","2","6","5","3","6","1") = "6"
    & skf21("6","7","2","6","5","3","7","1") = "6"
    & skf21("6","7","2","6","5","4","1","1") = "6"
    & skf21("6","7","2","6","5","4","2","1") = "6"
    & skf21("6","7","2","6","5","4","3","1") = "6"
    & skf21("6","7","2","6","5","4","4","1") = "6"
    & skf21("6","7","2","6","5","4","5","1") = "6"
    & skf21("6","7","2","6","5","4","6","1") = "6"
    & skf21("6","7","2","6","5","4","7","1") = "6"
    & skf21("6","7","2","6","5","5","1","1") = "6"
    & skf21("6","7","2","6","5","5","2","1") = "6"
    & skf21("6","7","2","6","5","5","3","1") = "6"
    & skf21("6","7","2","6","5","5","4","1") = "6"
    & skf21("6","7","2","6","5","5","5","1") = "6"
    & skf21("6","7","2","6","5","5","6","1") = "6"
    & skf21("6","7","2","6","5","5","7","1") = "6"
    & skf21("6","7","2","6","5","6","1","1") = "6"
    & skf21("6","7","2","6","5","6","2","1") = "6"
    & skf21("6","7","2","6","5","6","3","1") = "6"
    & skf21("6","7","2","6","5","6","4","1") = "6"
    & skf21("6","7","2","6","5","6","5","1") = "6"
    & skf21("6","7","2","6","5","6","6","1") = "6"
    & skf21("6","7","2","6","5","6","7","1") = "6"
    & skf21("6","7","2","6","5","7","1","1") = "6"
    & skf21("6","7","2","6","5","7","2","1") = "6"
    & skf21("6","7","2","6","5","7","3","1") = "6"
    & skf21("6","7","2","6","5","7","4","1") = "6"
    & skf21("6","7","2","6","5","7","5","1") = "6"
    & skf21("6","7","2","6","5","7","6","1") = "6"
    & skf21("6","7","2","6","5","7","7","1") = "6"
    & skf21("6","7","2","6","6","1","1","1") = "6"
    & skf21("6","7","2","6","6","1","2","1") = "6"
    & skf21("6","7","2","6","6","1","3","1") = "6"
    & skf21("6","7","2","6","6","1","4","1") = "6"
    & skf21("6","7","2","6","6","1","5","1") = "6"
    & skf21("6","7","2","6","6","1","6","1") = "6"
    & skf21("6","7","2","6","6","1","7","1") = "6"
    & skf21("6","7","2","6","6","2","1","1") = "6"
    & skf21("6","7","2","6","6","2","2","1") = "6"
    & skf21("6","7","2","6","6","2","3","1") = "6"
    & skf21("6","7","2","6","6","2","4","1") = "6"
    & skf21("6","7","2","6","6","2","5","1") = "6"
    & skf21("6","7","2","6","6","2","6","1") = "6"
    & skf21("6","7","2","6","6","2","7","1") = "6"
    & skf21("6","7","2","6","6","3","1","1") = "6"
    & skf21("6","7","2","6","6","3","2","1") = "6"
    & skf21("6","7","2","6","6","3","3","1") = "6"
    & skf21("6","7","2","6","6","3","4","1") = "6"
    & skf21("6","7","2","6","6","3","5","1") = "6"
    & skf21("6","7","2","6","6","3","6","1") = "6"
    & skf21("6","7","2","6","6","3","7","1") = "6"
    & skf21("6","7","2","6","6","4","1","1") = "6"
    & skf21("6","7","2","6","6","4","2","1") = "6"
    & skf21("6","7","2","6","6","4","3","1") = "6"
    & skf21("6","7","2","6","6","4","4","1") = "6"
    & skf21("6","7","2","6","6","4","5","1") = "6"
    & skf21("6","7","2","6","6","4","6","1") = "6"
    & skf21("6","7","2","6","6","4","7","1") = "6"
    & skf21("6","7","2","6","6","5","1","1") = "6"
    & skf21("6","7","2","6","6","5","2","1") = "6"
    & skf21("6","7","2","6","6","5","3","1") = "6"
    & skf21("6","7","2","6","6","5","4","1") = "6"
    & skf21("6","7","2","6","6","5","5","1") = "6"
    & skf21("6","7","2","6","6","5","6","1") = "6"
    & skf21("6","7","2","6","6","5","7","1") = "6"
    & skf21("6","7","2","6","6","6","1","1") = "6"
    & skf21("6","7","2","6","6","6","2","1") = "6"
    & skf21("6","7","2","6","6","6","3","1") = "6"
    & skf21("6","7","2","6","6","6","4","1") = "6"
    & skf21("6","7","2","6","6","6","5","1") = "6"
    & skf21("6","7","2","6","6","6","6","1") = "6"
    & skf21("6","7","2","6","6","6","7","1") = "6"
    & skf21("6","7","2","6","6","7","1","1") = "6"
    & skf21("6","7","2","6","6","7","2","1") = "6"
    & skf21("6","7","2","6","6","7","3","1") = "6"
    & skf21("6","7","2","6","6","7","4","1") = "6"
    & skf21("6","7","2","6","6","7","5","1") = "6"
    & skf21("6","7","2","6","6","7","6","1") = "6"
    & skf21("6","7","2","6","6","7","7","1") = "6"
    & skf21("6","7","2","6","7","1","1","1") = "6"
    & skf21("6","7","2","6","7","1","2","1") = "6"
    & skf21("6","7","2","6","7","1","3","1") = "6"
    & skf21("6","7","2","6","7","1","4","1") = "6"
    & skf21("6","7","2","6","7","1","5","1") = "6"
    & skf21("6","7","2","6","7","1","6","1") = "6"
    & skf21("6","7","2","6","7","1","7","1") = "6"
    & skf21("6","7","2","6","7","2","1","1") = "6"
    & skf21("6","7","2","6","7","2","2","1") = "6"
    & skf21("6","7","2","6","7","2","3","1") = "6"
    & skf21("6","7","2","6","7","2","4","1") = "6"
    & skf21("6","7","2","6","7","2","5","1") = "6"
    & skf21("6","7","2","6","7","2","6","1") = "6"
    & skf21("6","7","2","6","7","2","7","1") = "6"
    & skf21("6","7","2","6","7","3","1","1") = "6"
    & skf21("6","7","2","6","7","3","2","1") = "6"
    & skf21("6","7","2","6","7","3","3","1") = "6"
    & skf21("6","7","2","6","7","3","4","1") = "6"
    & skf21("6","7","2","6","7","3","5","1") = "6"
    & skf21("6","7","2","6","7","3","6","1") = "6"
    & skf21("6","7","2","6","7","3","7","1") = "6"
    & skf21("6","7","2","6","7","4","1","1") = "6"
    & skf21("6","7","2","6","7","4","2","1") = "6"
    & skf21("6","7","2","6","7","4","3","1") = "6"
    & skf21("6","7","2","6","7","4","4","1") = "6"
    & skf21("6","7","2","6","7","4","5","1") = "6"
    & skf21("6","7","2","6","7","4","6","1") = "6"
    & skf21("6","7","2","6","7","4","7","1") = "6"
    & skf21("6","7","2","6","7","5","1","1") = "6"
    & skf21("6","7","2","6","7","5","2","1") = "6"
    & skf21("6","7","2","6","7","5","3","1") = "6"
    & skf21("6","7","2","6","7","5","4","1") = "6"
    & skf21("6","7","2","6","7","5","5","1") = "6"
    & skf21("6","7","2","6","7","5","6","1") = "6"
    & skf21("6","7","2","6","7","5","7","1") = "6"
    & skf21("6","7","2","6","7","6","1","1") = "6"
    & skf21("6","7","2","6","7","6","2","1") = "6"
    & skf21("6","7","2","6","7","6","3","1") = "6"
    & skf21("6","7","2","6","7","6","4","1") = "6"
    & skf21("6","7","2","6","7","6","5","1") = "6"
    & skf21("6","7","2","6","7","6","6","1") = "6"
    & skf21("6","7","2","6","7","6","7","1") = "6"
    & skf21("6","7","2","6","7","7","1","1") = "6"
    & skf21("6","7","2","6","7","7","2","1") = "6"
    & skf21("6","7","2","6","7","7","3","1") = "6"
    & skf21("6","7","2","6","7","7","4","1") = "6"
    & skf21("6","7","2","6","7","7","5","1") = "6"
    & skf21("6","7","2","6","7","7","6","1") = "6"
    & skf21("6","7","2","6","7","7","7","1") = "6"
    & skf21("6","7","2","7","1","1","1","1") = "6"
    & skf21("6","7","2","7","1","1","2","1") = "6"
    & skf21("6","7","2","7","1","1","3","1") = "6"
    & skf21("6","7","2","7","1","1","4","1") = "6"
    & skf21("6","7","2","7","1","1","5","1") = "6"
    & skf21("6","7","2","7","1","1","6","1") = "6"
    & skf21("6","7","2","7","1","1","7","1") = "6"
    & skf21("6","7","2","7","1","2","1","1") = "6"
    & skf21("6","7","2","7","1","2","2","1") = "6"
    & skf21("6","7","2","7","1","2","3","1") = "6"
    & skf21("6","7","2","7","1","2","4","1") = "6"
    & skf21("6","7","2","7","1","2","5","1") = "6"
    & skf21("6","7","2","7","1","2","6","1") = "6"
    & skf21("6","7","2","7","1","2","7","1") = "6"
    & skf21("6","7","2","7","1","3","1","1") = "6"
    & skf21("6","7","2","7","1","3","2","1") = "6"
    & skf21("6","7","2","7","1","3","3","1") = "6"
    & skf21("6","7","2","7","1","3","4","1") = "6"
    & skf21("6","7","2","7","1","3","5","1") = "6"
    & skf21("6","7","2","7","1","3","6","1") = "6"
    & skf21("6","7","2","7","1","3","7","1") = "6"
    & skf21("6","7","2","7","1","4","1","1") = "6"
    & skf21("6","7","2","7","1","4","2","1") = "6"
    & skf21("6","7","2","7","1","4","3","1") = "6"
    & skf21("6","7","2","7","1","4","4","1") = "6"
    & skf21("6","7","2","7","1","4","5","1") = "6"
    & skf21("6","7","2","7","1","4","6","1") = "6"
    & skf21("6","7","2","7","1","4","7","1") = "6"
    & skf21("6","7","2","7","1","5","1","1") = "6"
    & skf21("6","7","2","7","1","5","2","1") = "6"
    & skf21("6","7","2","7","1","5","3","1") = "6"
    & skf21("6","7","2","7","1","5","4","1") = "6"
    & skf21("6","7","2","7","1","5","5","1") = "6"
    & skf21("6","7","2","7","1","5","6","1") = "6"
    & skf21("6","7","2","7","1","5","7","1") = "6"
    & skf21("6","7","2","7","1","6","1","1") = "6"
    & skf21("6","7","2","7","1","6","2","1") = "6"
    & skf21("6","7","2","7","1","6","3","1") = "6"
    & skf21("6","7","2","7","1","6","4","1") = "6"
    & skf21("6","7","2","7","1","6","5","1") = "6"
    & skf21("6","7","2","7","1","6","6","1") = "6"
    & skf21("6","7","2","7","1","6","7","1") = "6"
    & skf21("6","7","2","7","1","7","1","1") = "6"
    & skf21("6","7","2","7","1","7","2","1") = "6"
    & skf21("6","7","2","7","1","7","3","1") = "6"
    & skf21("6","7","2","7","1","7","4","1") = "6"
    & skf21("6","7","2","7","1","7","5","1") = "6"
    & skf21("6","7","2","7","1","7","6","1") = "6"
    & skf21("6","7","2","7","1","7","7","1") = "6"
    & skf21("6","7","2","7","2","1","1","1") = "6"
    & skf21("6","7","2","7","2","1","2","1") = "6"
    & skf21("6","7","2","7","2","1","3","1") = "6"
    & skf21("6","7","2","7","2","1","4","1") = "6"
    & skf21("6","7","2","7","2","1","5","1") = "6"
    & skf21("6","7","2","7","2","1","6","1") = "6"
    & skf21("6","7","2","7","2","1","7","1") = "6"
    & skf21("6","7","2","7","2","2","1","1") = "6"
    & skf21("6","7","2","7","2","2","2","1") = "6"
    & skf21("6","7","2","7","2","2","3","1") = "6"
    & skf21("6","7","2","7","2","2","4","1") = "6"
    & skf21("6","7","2","7","2","2","5","1") = "6"
    & skf21("6","7","2","7","2","2","6","1") = "6"
    & skf21("6","7","2","7","2","2","7","1") = "6"
    & skf21("6","7","2","7","2","3","1","1") = "6"
    & skf21("6","7","2","7","2","3","2","1") = "6"
    & skf21("6","7","2","7","2","3","3","1") = "6"
    & skf21("6","7","2","7","2","3","4","1") = "6"
    & skf21("6","7","2","7","2","3","5","1") = "6"
    & skf21("6","7","2","7","2","3","6","1") = "6"
    & skf21("6","7","2","7","2","3","7","1") = "6"
    & skf21("6","7","2","7","2","4","1","1") = "6"
    & skf21("6","7","2","7","2","4","2","1") = "6"
    & skf21("6","7","2","7","2","4","3","1") = "6"
    & skf21("6","7","2","7","2","4","4","1") = "6"
    & skf21("6","7","2","7","2","4","5","1") = "6"
    & skf21("6","7","2","7","2","4","6","1") = "6"
    & skf21("6","7","2","7","2","4","7","1") = "6"
    & skf21("6","7","2","7","2","5","1","1") = "6"
    & skf21("6","7","2","7","2","5","2","1") = "6"
    & skf21("6","7","2","7","2","5","3","1") = "6"
    & skf21("6","7","2","7","2","5","4","1") = "6"
    & skf21("6","7","2","7","2","5","5","1") = "6"
    & skf21("6","7","2","7","2","5","6","1") = "6"
    & skf21("6","7","2","7","2","5","7","1") = "6"
    & skf21("6","7","2","7","2","6","1","1") = "6"
    & skf21("6","7","2","7","2","6","2","1") = "6"
    & skf21("6","7","2","7","2","6","3","1") = "6"
    & skf21("6","7","2","7","2","6","4","1") = "6"
    & skf21("6","7","2","7","2","6","5","1") = "6"
    & skf21("6","7","2","7","2","6","6","1") = "6"
    & skf21("6","7","2","7","2","6","7","1") = "6"
    & skf21("6","7","2","7","2","7","1","1") = "6"
    & skf21("6","7","2","7","2","7","2","1") = "6"
    & skf21("6","7","2","7","2","7","3","1") = "6"
    & skf21("6","7","2","7","2","7","4","1") = "6"
    & skf21("6","7","2","7","2","7","5","1") = "6"
    & skf21("6","7","2","7","2","7","6","1") = "6"
    & skf21("6","7","2","7","2","7","7","1") = "6"
    & skf21("6","7","2","7","3","1","1","1") = "6"
    & skf21("6","7","2","7","3","1","2","1") = "6"
    & skf21("6","7","2","7","3","1","3","1") = "6"
    & skf21("6","7","2","7","3","1","4","1") = "6"
    & skf21("6","7","2","7","3","1","5","1") = "6"
    & skf21("6","7","2","7","3","1","6","1") = "6"
    & skf21("6","7","2","7","3","1","7","1") = "6"
    & skf21("6","7","2","7","3","2","1","1") = "6"
    & skf21("6","7","2","7","3","2","2","1") = "6"
    & skf21("6","7","2","7","3","2","3","1") = "6"
    & skf21("6","7","2","7","3","2","4","1") = "6"
    & skf21("6","7","2","7","3","2","5","1") = "6"
    & skf21("6","7","2","7","3","2","6","1") = "6"
    & skf21("6","7","2","7","3","2","7","1") = "6"
    & skf21("6","7","2","7","3","3","1","1") = "6"
    & skf21("6","7","2","7","3","3","2","1") = "6"
    & skf21("6","7","2","7","3","3","3","1") = "6"
    & skf21("6","7","2","7","3","3","4","1") = "6"
    & skf21("6","7","2","7","3","3","5","1") = "6"
    & skf21("6","7","2","7","3","3","6","1") = "6"
    & skf21("6","7","2","7","3","3","7","1") = "6"
    & skf21("6","7","2","7","3","4","1","1") = "6"
    & skf21("6","7","2","7","3","4","2","1") = "6"
    & skf21("6","7","2","7","3","4","3","1") = "6"
    & skf21("6","7","2","7","3","4","4","1") = "6"
    & skf21("6","7","2","7","3","4","5","1") = "6"
    & skf21("6","7","2","7","3","4","6","1") = "6"
    & skf21("6","7","2","7","3","4","7","1") = "6"
    & skf21("6","7","2","7","3","5","1","1") = "6"
    & skf21("6","7","2","7","3","5","2","1") = "6"
    & skf21("6","7","2","7","3","5","3","1") = "6"
    & skf21("6","7","2","7","3","5","4","1") = "6"
    & skf21("6","7","2","7","3","5","5","1") = "6"
    & skf21("6","7","2","7","3","5","6","1") = "6"
    & skf21("6","7","2","7","3","5","7","1") = "6"
    & skf21("6","7","2","7","3","6","1","1") = "6"
    & skf21("6","7","2","7","3","6","2","1") = "6"
    & skf21("6","7","2","7","3","6","3","1") = "6"
    & skf21("6","7","2","7","3","6","4","1") = "6"
    & skf21("6","7","2","7","3","6","5","1") = "6"
    & skf21("6","7","2","7","3","6","6","1") = "6"
    & skf21("6","7","2","7","3","6","7","1") = "6"
    & skf21("6","7","2","7","3","7","1","1") = "6"
    & skf21("6","7","2","7","3","7","2","1") = "6"
    & skf21("6","7","2","7","3","7","3","1") = "6"
    & skf21("6","7","2","7","3","7","4","1") = "6"
    & skf21("6","7","2","7","3","7","5","1") = "6"
    & skf21("6","7","2","7","3","7","6","1") = "6"
    & skf21("6","7","2","7","3","7","7","1") = "6"
    & skf21("6","7","2","7","4","1","1","1") = "6"
    & skf21("6","7","2","7","4","1","2","1") = "6"
    & skf21("6","7","2","7","4","1","3","1") = "6"
    & skf21("6","7","2","7","4","1","4","1") = "6"
    & skf21("6","7","2","7","4","1","5","1") = "6"
    & skf21("6","7","2","7","4","1","6","1") = "6"
    & skf21("6","7","2","7","4","1","7","1") = "6"
    & skf21("6","7","2","7","4","2","1","1") = "6"
    & skf21("6","7","2","7","4","2","2","1") = "6"
    & skf21("6","7","2","7","4","2","3","1") = "6"
    & skf21("6","7","2","7","4","2","4","1") = "6"
    & skf21("6","7","2","7","4","2","5","1") = "6"
    & skf21("6","7","2","7","4","2","6","1") = "6"
    & skf21("6","7","2","7","4","2","7","1") = "6"
    & skf21("6","7","2","7","4","3","1","1") = "6"
    & skf21("6","7","2","7","4","3","2","1") = "6"
    & skf21("6","7","2","7","4","3","3","1") = "6"
    & skf21("6","7","2","7","4","3","4","1") = "6"
    & skf21("6","7","2","7","4","3","5","1") = "6"
    & skf21("6","7","2","7","4","3","6","1") = "6"
    & skf21("6","7","2","7","4","3","7","1") = "6"
    & skf21("6","7","2","7","4","4","1","1") = "6"
    & skf21("6","7","2","7","4","4","2","1") = "6"
    & skf21("6","7","2","7","4","4","3","1") = "6"
    & skf21("6","7","2","7","4","4","4","1") = "6"
    & skf21("6","7","2","7","4","4","5","1") = "6"
    & skf21("6","7","2","7","4","4","6","1") = "6"
    & skf21("6","7","2","7","4","4","7","1") = "6"
    & skf21("6","7","2","7","4","5","1","1") = "6"
    & skf21("6","7","2","7","4","5","2","1") = "6"
    & skf21("6","7","2","7","4","5","3","1") = "6"
    & skf21("6","7","2","7","4","5","4","1") = "6"
    & skf21("6","7","2","7","4","5","5","1") = "6"
    & skf21("6","7","2","7","4","5","6","1") = "6"
    & skf21("6","7","2","7","4","5","7","1") = "6"
    & skf21("6","7","2","7","4","6","1","1") = "6"
    & skf21("6","7","2","7","4","6","2","1") = "6"
    & skf21("6","7","2","7","4","6","3","1") = "6"
    & skf21("6","7","2","7","4","6","4","1") = "6"
    & skf21("6","7","2","7","4","6","5","1") = "6"
    & skf21("6","7","2","7","4","6","6","1") = "6"
    & skf21("6","7","2","7","4","6","7","1") = "6"
    & skf21("6","7","2","7","4","7","1","1") = "6"
    & skf21("6","7","2","7","4","7","2","1") = "6"
    & skf21("6","7","2","7","4","7","3","1") = "6"
    & skf21("6","7","2","7","4","7","4","1") = "6"
    & skf21("6","7","2","7","4","7","5","1") = "6"
    & skf21("6","7","2","7","4","7","6","1") = "6"
    & skf21("6","7","2","7","4","7","7","1") = "6"
    & skf21("6","7","2","7","5","1","1","1") = "6"
    & skf21("6","7","2","7","5","1","2","1") = "6"
    & skf21("6","7","2","7","5","1","3","1") = "6"
    & skf21("6","7","2","7","5","1","4","1") = "6"
    & skf21("6","7","2","7","5","1","5","1") = "6"
    & skf21("6","7","2","7","5","1","6","1") = "6"
    & skf21("6","7","2","7","5","1","7","1") = "6"
    & skf21("6","7","2","7","5","2","1","1") = "6"
    & skf21("6","7","2","7","5","2","2","1") = "6"
    & skf21("6","7","2","7","5","2","3","1") = "6"
    & skf21("6","7","2","7","5","2","4","1") = "6"
    & skf21("6","7","2","7","5","2","5","1") = "6"
    & skf21("6","7","2","7","5","2","6","1") = "6"
    & skf21("6","7","2","7","5","2","7","1") = "6"
    & skf21("6","7","2","7","5","3","1","1") = "6"
    & skf21("6","7","2","7","5","3","2","1") = "6"
    & skf21("6","7","2","7","5","3","3","1") = "6"
    & skf21("6","7","2","7","5","3","4","1") = "6"
    & skf21("6","7","2","7","5","3","5","1") = "6"
    & skf21("6","7","2","7","5","3","6","1") = "6"
    & skf21("6","7","2","7","5","3","7","1") = "6"
    & skf21("6","7","2","7","5","4","1","1") = "6"
    & skf21("6","7","2","7","5","4","2","1") = "6"
    & skf21("6","7","2","7","5","4","3","1") = "6"
    & skf21("6","7","2","7","5","4","4","1") = "6"
    & skf21("6","7","2","7","5","4","5","1") = "6"
    & skf21("6","7","2","7","5","4","6","1") = "6"
    & skf21("6","7","2","7","5","4","7","1") = "6"
    & skf21("6","7","2","7","5","5","1","1") = "6"
    & skf21("6","7","2","7","5","5","2","1") = "6"
    & skf21("6","7","2","7","5","5","3","1") = "6"
    & skf21("6","7","2","7","5","5","4","1") = "6"
    & skf21("6","7","2","7","5","5","5","1") = "6"
    & skf21("6","7","2","7","5","5","6","1") = "6"
    & skf21("6","7","2","7","5","5","7","1") = "6"
    & skf21("6","7","2","7","5","6","1","1") = "6"
    & skf21("6","7","2","7","5","6","2","1") = "6"
    & skf21("6","7","2","7","5","6","3","1") = "6"
    & skf21("6","7","2","7","5","6","4","1") = "6"
    & skf21("6","7","2","7","5","6","5","1") = "6"
    & skf21("6","7","2","7","5","6","6","1") = "6"
    & skf21("6","7","2","7","5","6","7","1") = "6"
    & skf21("6","7","2","7","5","7","1","1") = "6"
    & skf21("6","7","2","7","5","7","2","1") = "6"
    & skf21("6","7","2","7","5","7","3","1") = "6"
    & skf21("6","7","2","7","5","7","4","1") = "6"
    & skf21("6","7","2","7","5","7","5","1") = "6"
    & skf21("6","7","2","7","5","7","6","1") = "6"
    & skf21("6","7","2","7","5","7","7","1") = "6"
    & skf21("6","7","2","7","6","1","1","1") = "6"
    & skf21("6","7","2","7","6","1","2","1") = "6"
    & skf21("6","7","2","7","6","1","3","1") = "6"
    & skf21("6","7","2","7","6","1","4","1") = "6"
    & skf21("6","7","2","7","6","1","5","1") = "6"
    & skf21("6","7","2","7","6","1","6","1") = "6"
    & skf21("6","7","2","7","6","1","7","1") = "6"
    & skf21("6","7","2","7","6","2","1","1") = "6"
    & skf21("6","7","2","7","6","2","2","1") = "6"
    & skf21("6","7","2","7","6","2","3","1") = "6"
    & skf21("6","7","2","7","6","2","4","1") = "6"
    & skf21("6","7","2","7","6","2","5","1") = "6"
    & skf21("6","7","2","7","6","2","6","1") = "6"
    & skf21("6","7","2","7","6","2","7","1") = "6"
    & skf21("6","7","2","7","6","3","1","1") = "6"
    & skf21("6","7","2","7","6","3","2","1") = "6"
    & skf21("6","7","2","7","6","3","3","1") = "6"
    & skf21("6","7","2","7","6","3","4","1") = "6"
    & skf21("6","7","2","7","6","3","5","1") = "6"
    & skf21("6","7","2","7","6","3","6","1") = "6"
    & skf21("6","7","2","7","6","3","7","1") = "6"
    & skf21("6","7","2","7","6","4","1","1") = "6"
    & skf21("6","7","2","7","6","4","2","1") = "6"
    & skf21("6","7","2","7","6","4","3","1") = "6"
    & skf21("6","7","2","7","6","4","4","1") = "6"
    & skf21("6","7","2","7","6","4","5","1") = "6"
    & skf21("6","7","2","7","6","4","6","1") = "6"
    & skf21("6","7","2","7","6","4","7","1") = "6"
    & skf21("6","7","2","7","6","5","1","1") = "6"
    & skf21("6","7","2","7","6","5","2","1") = "6"
    & skf21("6","7","2","7","6","5","3","1") = "6"
    & skf21("6","7","2","7","6","5","4","1") = "6"
    & skf21("6","7","2","7","6","5","5","1") = "6"
    & skf21("6","7","2","7","6","5","6","1") = "6"
    & skf21("6","7","2","7","6","5","7","1") = "6"
    & skf21("6","7","2","7","6","6","1","1") = "6"
    & skf21("6","7","2","7","6","6","2","1") = "6"
    & skf21("6","7","2","7","6","6","3","1") = "6"
    & skf21("6","7","2","7","6","6","4","1") = "6"
    & skf21("6","7","2","7","6","6","5","1") = "6"
    & skf21("6","7","2","7","6","6","6","1") = "6"
    & skf21("6","7","2","7","6","6","7","1") = "6"
    & skf21("6","7","2","7","6","7","1","1") = "6"
    & skf21("6","7","2","7","6","7","2","1") = "6"
    & skf21("6","7","2","7","6","7","3","1") = "6"
    & skf21("6","7","2","7","6","7","4","1") = "6"
    & skf21("6","7","2","7","6","7","5","1") = "6"
    & skf21("6","7","2","7","6","7","6","1") = "6"
    & skf21("6","7","2","7","6","7","7","1") = "6"
    & skf21("6","7","2","7","7","1","1","1") = "6"
    & skf21("6","7","2","7","7","1","2","1") = "6"
    & skf21("6","7","2","7","7","1","3","1") = "6"
    & skf21("6","7","2","7","7","1","4","1") = "6"
    & skf21("6","7","2","7","7","1","5","1") = "6"
    & skf21("6","7","2","7","7","1","6","1") = "6"
    & skf21("6","7","2","7","7","1","7","1") = "6"
    & skf21("6","7","2","7","7","2","1","1") = "6"
    & skf21("6","7","2","7","7","2","2","1") = "6"
    & skf21("6","7","2","7","7","2","3","1") = "6"
    & skf21("6","7","2","7","7","2","4","1") = "6"
    & skf21("6","7","2","7","7","2","5","1") = "6"
    & skf21("6","7","2","7","7","2","6","1") = "6"
    & skf21("6","7","2","7","7","2","7","1") = "6"
    & skf21("6","7","2","7","7","3","1","1") = "6"
    & skf21("6","7","2","7","7","3","2","1") = "6"
    & skf21("6","7","2","7","7","3","3","1") = "6"
    & skf21("6","7","2","7","7","3","4","1") = "6"
    & skf21("6","7","2","7","7","3","5","1") = "6"
    & skf21("6","7","2","7","7","3","6","1") = "6"
    & skf21("6","7","2","7","7","3","7","1") = "6"
    & skf21("6","7","2","7","7","4","1","1") = "6"
    & skf21("6","7","2","7","7","4","2","1") = "6"
    & skf21("6","7","2","7","7","4","3","1") = "6"
    & skf21("6","7","2","7","7","4","4","1") = "6"
    & skf21("6","7","2","7","7","4","5","1") = "6"
    & skf21("6","7","2","7","7","4","6","1") = "6"
    & skf21("6","7","2","7","7","4","7","1") = "6"
    & skf21("6","7","2","7","7","5","1","1") = "6"
    & skf21("6","7","2","7","7","5","2","1") = "6"
    & skf21("6","7","2","7","7","5","3","1") = "6"
    & skf21("6","7","2","7","7","5","4","1") = "6"
    & skf21("6","7","2","7","7","5","5","1") = "6"
    & skf21("6","7","2","7","7","5","6","1") = "6"
    & skf21("6","7","2","7","7","5","7","1") = "6"
    & skf21("6","7","2","7","7","6","1","1") = "6"
    & skf21("6","7","2","7","7","6","2","1") = "6"
    & skf21("6","7","2","7","7","6","3","1") = "6"
    & skf21("6","7","2","7","7","6","4","1") = "6"
    & skf21("6","7","2","7","7","6","5","1") = "6"
    & skf21("6","7","2","7","7","6","6","1") = "6"
    & skf21("6","7","2","7","7","6","7","1") = "6"
    & skf21("6","7","2","7","7","7","1","1") = "6"
    & skf21("6","7","2","7","7","7","2","1") = "6"
    & skf21("6","7","2","7","7","7","3","1") = "6"
    & skf21("6","7","2","7","7","7","4","1") = "6"
    & skf21("6","7","2","7","7","7","5","1") = "6"
    & skf21("6","7","2","7","7","7","6","1") = "6"
    & skf21("6","7","2","7","7","7","7","1") = "6"
    & skf21("6","7","3","1","1","1","1","1") = "6"
    & skf21("6","7","3","1","1","1","2","1") = "6"
    & skf21("6","7","3","1","1","1","3","1") = "6"
    & skf21("6","7","3","1","1","1","4","1") = "6"
    & skf21("6","7","3","1","1","1","5","1") = "6"
    & skf21("6","7","3","1","1","1","6","1") = "6"
    & skf21("6","7","3","1","1","1","7","1") = "6"
    & skf21("6","7","3","1","1","2","1","1") = "6"
    & skf21("6","7","3","1","1","2","2","1") = "6"
    & skf21("6","7","3","1","1","2","3","1") = "6"
    & skf21("6","7","3","1","1","2","4","1") = "6"
    & skf21("6","7","3","1","1","2","5","1") = "6"
    & skf21("6","7","3","1","1","2","6","1") = "6"
    & skf21("6","7","3","1","1","2","7","1") = "6"
    & skf21("6","7","3","1","1","3","1","1") = "6"
    & skf21("6","7","3","1","1","3","2","1") = "6"
    & skf21("6","7","3","1","1","3","3","1") = "6"
    & skf21("6","7","3","1","1","3","4","1") = "6"
    & skf21("6","7","3","1","1","3","5","1") = "6"
    & skf21("6","7","3","1","1","3","6","1") = "6"
    & skf21("6","7","3","1","1","3","7","1") = "6"
    & skf21("6","7","3","1","1","4","1","1") = "6"
    & skf21("6","7","3","1","1","4","2","1") = "6"
    & skf21("6","7","3","1","1","4","3","1") = "6"
    & skf21("6","7","3","1","1","4","4","1") = "6"
    & skf21("6","7","3","1","1","4","5","1") = "6"
    & skf21("6","7","3","1","1","4","6","1") = "6"
    & skf21("6","7","3","1","1","4","7","1") = "6"
    & skf21("6","7","3","1","1","5","1","1") = "6"
    & skf21("6","7","3","1","1","5","2","1") = "6"
    & skf21("6","7","3","1","1","5","3","1") = "6"
    & skf21("6","7","3","1","1","5","4","1") = "6"
    & skf21("6","7","3","1","1","5","5","1") = "6"
    & skf21("6","7","3","1","1","5","6","1") = "6"
    & skf21("6","7","3","1","1","5","7","1") = "6"
    & skf21("6","7","3","1","1","6","1","1") = "6"
    & skf21("6","7","3","1","1","6","2","1") = "6"
    & skf21("6","7","3","1","1","6","3","1") = "6"
    & skf21("6","7","3","1","1","6","4","1") = "6"
    & skf21("6","7","3","1","1","6","5","1") = "6"
    & skf21("6","7","3","1","1","6","6","1") = "6"
    & skf21("6","7","3","1","1","6","7","1") = "6"
    & skf21("6","7","3","1","1","7","1","1") = "6"
    & skf21("6","7","3","1","1","7","2","1") = "6"
    & skf21("6","7","3","1","1","7","3","1") = "6"
    & skf21("6","7","3","1","1","7","4","1") = "6"
    & skf21("6","7","3","1","1","7","5","1") = "6"
    & skf21("6","7","3","1","1","7","6","1") = "6"
    & skf21("6","7","3","1","1","7","7","1") = "6"
    & skf21("6","7","3","1","2","1","1","1") = "6"
    & skf21("6","7","3","1","2","1","2","1") = "6"
    & skf21("6","7","3","1","2","1","3","1") = "6"
    & skf21("6","7","3","1","2","1","4","1") = "6"
    & skf21("6","7","3","1","2","1","5","1") = "6"
    & skf21("6","7","3","1","2","1","6","1") = "6"
    & skf21("6","7","3","1","2","1","7","1") = "6"
    & skf21("6","7","3","1","2","2","1","1") = "6"
    & skf21("6","7","3","1","2","2","2","1") = "6"
    & skf21("6","7","3","1","2","2","3","1") = "6"
    & skf21("6","7","3","1","2","2","4","1") = "6"
    & skf21("6","7","3","1","2","2","5","1") = "6"
    & skf21("6","7","3","1","2","2","6","1") = "6"
    & skf21("6","7","3","1","2","2","7","1") = "6"
    & skf21("6","7","3","1","2","3","1","1") = "6"
    & skf21("6","7","3","1","2","3","2","1") = "6"
    & skf21("6","7","3","1","2","3","3","1") = "6"
    & skf21("6","7","3","1","2","3","4","1") = "6"
    & skf21("6","7","3","1","2","3","5","1") = "6"
    & skf21("6","7","3","1","2","3","6","1") = "6"
    & skf21("6","7","3","1","2","3","7","1") = "6"
    & skf21("6","7","3","1","2","4","1","1") = "6"
    & skf21("6","7","3","1","2","4","2","1") = "6"
    & skf21("6","7","3","1","2","4","3","1") = "6"
    & skf21("6","7","3","1","2","4","4","1") = "6"
    & skf21("6","7","3","1","2","4","5","1") = "6"
    & skf21("6","7","3","1","2","4","6","1") = "6"
    & skf21("6","7","3","1","2","4","7","1") = "6"
    & skf21("6","7","3","1","2","5","1","1") = "6"
    & skf21("6","7","3","1","2","5","2","1") = "6"
    & skf21("6","7","3","1","2","5","3","1") = "6"
    & skf21("6","7","3","1","2","5","4","1") = "6"
    & skf21("6","7","3","1","2","5","5","1") = "6"
    & skf21("6","7","3","1","2","5","6","1") = "6"
    & skf21("6","7","3","1","2","5","7","1") = "6"
    & skf21("6","7","3","1","2","6","1","1") = "6"
    & skf21("6","7","3","1","2","6","2","1") = "6"
    & skf21("6","7","3","1","2","6","3","1") = "6"
    & skf21("6","7","3","1","2","6","4","1") = "6"
    & skf21("6","7","3","1","2","6","5","1") = "6"
    & skf21("6","7","3","1","2","6","6","1") = "6"
    & skf21("6","7","3","1","2","6","7","1") = "6"
    & skf21("6","7","3","1","2","7","1","1") = "6"
    & skf21("6","7","3","1","2","7","2","1") = "6"
    & skf21("6","7","3","1","2","7","3","1") = "6"
    & skf21("6","7","3","1","2","7","4","1") = "6"
    & skf21("6","7","3","1","2","7","5","1") = "6"
    & skf21("6","7","3","1","2","7","6","1") = "6"
    & skf21("6","7","3","1","2","7","7","1") = "6"
    & skf21("6","7","3","1","3","1","1","1") = "6"
    & skf21("6","7","3","1","3","1","2","1") = "6"
    & skf21("6","7","3","1","3","1","3","1") = "6"
    & skf21("6","7","3","1","3","1","4","1") = "6"
    & skf21("6","7","3","1","3","1","5","1") = "6"
    & skf21("6","7","3","1","3","1","6","1") = "6"
    & skf21("6","7","3","1","3","1","7","1") = "6"
    & skf21("6","7","3","1","3","2","1","1") = "6"
    & skf21("6","7","3","1","3","2","2","1") = "6"
    & skf21("6","7","3","1","3","2","3","1") = "6"
    & skf21("6","7","3","1","3","2","4","1") = "6"
    & skf21("6","7","3","1","3","2","5","1") = "6"
    & skf21("6","7","3","1","3","2","6","1") = "6"
    & skf21("6","7","3","1","3","2","7","1") = "6"
    & skf21("6","7","3","1","3","3","1","1") = "6"
    & skf21("6","7","3","1","3","3","2","1") = "6"
    & skf21("6","7","3","1","3","3","3","1") = "6"
    & skf21("6","7","3","1","3","3","4","1") = "6"
    & skf21("6","7","3","1","3","3","5","1") = "6"
    & skf21("6","7","3","1","3","3","6","1") = "6"
    & skf21("6","7","3","1","3","3","7","1") = "6"
    & skf21("6","7","3","1","3","4","1","1") = "6"
    & skf21("6","7","3","1","3","4","2","1") = "6"
    & skf21("6","7","3","1","3","4","3","1") = "6"
    & skf21("6","7","3","1","3","4","4","1") = "6"
    & skf21("6","7","3","1","3","4","5","1") = "6"
    & skf21("6","7","3","1","3","4","6","1") = "6"
    & skf21("6","7","3","1","3","4","7","1") = "6"
    & skf21("6","7","3","1","3","5","1","1") = "6"
    & skf21("6","7","3","1","3","5","2","1") = "6"
    & skf21("6","7","3","1","3","5","3","1") = "6"
    & skf21("6","7","3","1","3","5","4","1") = "6"
    & skf21("6","7","3","1","3","5","5","1") = "6"
    & skf21("6","7","3","1","3","5","6","1") = "6"
    & skf21("6","7","3","1","3","5","7","1") = "6"
    & skf21("6","7","3","1","3","6","1","1") = "6"
    & skf21("6","7","3","1","3","6","2","1") = "6"
    & skf21("6","7","3","1","3","6","3","1") = "6"
    & skf21("6","7","3","1","3","6","4","1") = "6"
    & skf21("6","7","3","1","3","6","5","1") = "6"
    & skf21("6","7","3","1","3","6","6","1") = "6"
    & skf21("6","7","3","1","3","6","7","1") = "6"
    & skf21("6","7","3","1","3","7","1","1") = "6"
    & skf21("6","7","3","1","3","7","2","1") = "6"
    & skf21("6","7","3","1","3","7","3","1") = "6"
    & skf21("6","7","3","1","3","7","4","1") = "6"
    & skf21("6","7","3","1","3","7","5","1") = "6"
    & skf21("6","7","3","1","3","7","6","1") = "6"
    & skf21("6","7","3","1","3","7","7","1") = "6"
    & skf21("6","7","3","1","4","1","1","1") = "6"
    & skf21("6","7","3","1","4","1","2","1") = "6"
    & skf21("6","7","3","1","4","1","3","1") = "6"
    & skf21("6","7","3","1","4","1","4","1") = "6"
    & skf21("6","7","3","1","4","1","5","1") = "6"
    & skf21("6","7","3","1","4","1","6","1") = "6"
    & skf21("6","7","3","1","4","1","7","1") = "6"
    & skf21("6","7","3","1","4","2","1","1") = "6"
    & skf21("6","7","3","1","4","2","2","1") = "6"
    & skf21("6","7","3","1","4","2","3","1") = "6"
    & skf21("6","7","3","1","4","2","4","1") = "6"
    & skf21("6","7","3","1","4","2","5","1") = "6"
    & skf21("6","7","3","1","4","2","6","1") = "6"
    & skf21("6","7","3","1","4","2","7","1") = "6"
    & skf21("6","7","3","1","4","3","1","1") = "6"
    & skf21("6","7","3","1","4","3","2","1") = "6"
    & skf21("6","7","3","1","4","3","3","1") = "6"
    & skf21("6","7","3","1","4","3","4","1") = "6"
    & skf21("6","7","3","1","4","3","5","1") = "6"
    & skf21("6","7","3","1","4","3","6","1") = "6"
    & skf21("6","7","3","1","4","3","7","1") = "6"
    & skf21("6","7","3","1","4","4","1","1") = "6"
    & skf21("6","7","3","1","4","4","2","1") = "6"
    & skf21("6","7","3","1","4","4","3","1") = "6"
    & skf21("6","7","3","1","4","4","4","1") = "6"
    & skf21("6","7","3","1","4","4","5","1") = "6"
    & skf21("6","7","3","1","4","4","6","1") = "6"
    & skf21("6","7","3","1","4","4","7","1") = "6"
    & skf21("6","7","3","1","4","5","1","1") = "6"
    & skf21("6","7","3","1","4","5","2","1") = "6"
    & skf21("6","7","3","1","4","5","3","1") = "6"
    & skf21("6","7","3","1","4","5","4","1") = "6"
    & skf21("6","7","3","1","4","5","5","1") = "6"
    & skf21("6","7","3","1","4","5","6","1") = "6"
    & skf21("6","7","3","1","4","5","7","1") = "6"
    & skf21("6","7","3","1","4","6","1","1") = "6"
    & skf21("6","7","3","1","4","6","2","1") = "6"
    & skf21("6","7","3","1","4","6","3","1") = "6"
    & skf21("6","7","3","1","4","6","4","1") = "6"
    & skf21("6","7","3","1","4","6","5","1") = "6"
    & skf21("6","7","3","1","4","6","6","1") = "6"
    & skf21("6","7","3","1","4","6","7","1") = "6"
    & skf21("6","7","3","1","4","7","1","1") = "6"
    & skf21("6","7","3","1","4","7","2","1") = "6"
    & skf21("6","7","3","1","4","7","3","1") = "6"
    & skf21("6","7","3","1","4","7","4","1") = "6"
    & skf21("6","7","3","1","4","7","5","1") = "6"
    & skf21("6","7","3","1","4","7","6","1") = "6"
    & skf21("6","7","3","1","4","7","7","1") = "6"
    & skf21("6","7","3","1","5","1","1","1") = "6"
    & skf21("6","7","3","1","5","1","2","1") = "6"
    & skf21("6","7","3","1","5","1","3","1") = "6"
    & skf21("6","7","3","1","5","1","4","1") = "6"
    & skf21("6","7","3","1","5","1","5","1") = "6"
    & skf21("6","7","3","1","5","1","6","1") = "6"
    & skf21("6","7","3","1","5","1","7","1") = "6"
    & skf21("6","7","3","1","5","2","1","1") = "6"
    & skf21("6","7","3","1","5","2","2","1") = "6"
    & skf21("6","7","3","1","5","2","3","1") = "6"
    & skf21("6","7","3","1","5","2","4","1") = "6"
    & skf21("6","7","3","1","5","2","5","1") = "6"
    & skf21("6","7","3","1","5","2","6","1") = "6"
    & skf21("6","7","3","1","5","2","7","1") = "6"
    & skf21("6","7","3","1","5","3","1","1") = "6"
    & skf21("6","7","3","1","5","3","2","1") = "6"
    & skf21("6","7","3","1","5","3","3","1") = "6"
    & skf21("6","7","3","1","5","3","4","1") = "6"
    & skf21("6","7","3","1","5","3","5","1") = "6"
    & skf21("6","7","3","1","5","3","6","1") = "6"
    & skf21("6","7","3","1","5","3","7","1") = "6"
    & skf21("6","7","3","1","5","4","1","1") = "6"
    & skf21("6","7","3","1","5","4","2","1") = "6"
    & skf21("6","7","3","1","5","4","3","1") = "6"
    & skf21("6","7","3","1","5","4","4","1") = "6"
    & skf21("6","7","3","1","5","4","5","1") = "6"
    & skf21("6","7","3","1","5","4","6","1") = "6"
    & skf21("6","7","3","1","5","4","7","1") = "6"
    & skf21("6","7","3","1","5","5","1","1") = "6"
    & skf21("6","7","3","1","5","5","2","1") = "6"
    & skf21("6","7","3","1","5","5","3","1") = "6"
    & skf21("6","7","3","1","5","5","4","1") = "6"
    & skf21("6","7","3","1","5","5","5","1") = "6"
    & skf21("6","7","3","1","5","5","6","1") = "6"
    & skf21("6","7","3","1","5","5","7","1") = "6"
    & skf21("6","7","3","1","5","6","1","1") = "6"
    & skf21("6","7","3","1","5","6","2","1") = "6"
    & skf21("6","7","3","1","5","6","3","1") = "6"
    & skf21("6","7","3","1","5","6","4","1") = "6"
    & skf21("6","7","3","1","5","6","5","1") = "6"
    & skf21("6","7","3","1","5","6","6","1") = "6"
    & skf21("6","7","3","1","5","6","7","1") = "6"
    & skf21("6","7","3","1","5","7","1","1") = "6"
    & skf21("6","7","3","1","5","7","2","1") = "6"
    & skf21("6","7","3","1","5","7","3","1") = "6"
    & skf21("6","7","3","1","5","7","4","1") = "6"
    & skf21("6","7","3","1","5","7","5","1") = "6"
    & skf21("6","7","3","1","5","7","6","1") = "6"
    & skf21("6","7","3","1","5","7","7","1") = "6"
    & skf21("6","7","3","1","6","1","1","1") = "6"
    & skf21("6","7","3","1","6","1","2","1") = "6"
    & skf21("6","7","3","1","6","1","3","1") = "6"
    & skf21("6","7","3","1","6","1","4","1") = "6"
    & skf21("6","7","3","1","6","1","5","1") = "6"
    & skf21("6","7","3","1","6","1","6","1") = "6"
    & skf21("6","7","3","1","6","1","7","1") = "6"
    & skf21("6","7","3","1","6","2","1","1") = "6"
    & skf21("6","7","3","1","6","2","2","1") = "6"
    & skf21("6","7","3","1","6","2","3","1") = "6"
    & skf21("6","7","3","1","6","2","4","1") = "6"
    & skf21("6","7","3","1","6","2","5","1") = "6"
    & skf21("6","7","3","1","6","2","6","1") = "6"
    & skf21("6","7","3","1","6","2","7","1") = "6"
    & skf21("6","7","3","1","6","3","1","1") = "6"
    & skf21("6","7","3","1","6","3","2","1") = "6"
    & skf21("6","7","3","1","6","3","3","1") = "6"
    & skf21("6","7","3","1","6","3","4","1") = "6"
    & skf21("6","7","3","1","6","3","5","1") = "6"
    & skf21("6","7","3","1","6","3","6","1") = "6"
    & skf21("6","7","3","1","6","3","7","1") = "6"
    & skf21("6","7","3","1","6","4","1","1") = "6"
    & skf21("6","7","3","1","6","4","2","1") = "6"
    & skf21("6","7","3","1","6","4","3","1") = "6"
    & skf21("6","7","3","1","6","4","4","1") = "6"
    & skf21("6","7","3","1","6","4","5","1") = "6"
    & skf21("6","7","3","1","6","4","6","1") = "6"
    & skf21("6","7","3","1","6","4","7","1") = "6"
    & skf21("6","7","3","1","6","5","1","1") = "6"
    & skf21("6","7","3","1","6","5","2","1") = "6"
    & skf21("6","7","3","1","6","5","3","1") = "6"
    & skf21("6","7","3","1","6","5","4","1") = "6"
    & skf21("6","7","3","1","6","5","5","1") = "6"
    & skf21("6","7","3","1","6","5","6","1") = "6"
    & skf21("6","7","3","1","6","5","7","1") = "6"
    & skf21("6","7","3","1","6","6","1","1") = "6"
    & skf21("6","7","3","1","6","6","2","1") = "6"
    & skf21("6","7","3","1","6","6","3","1") = "6"
    & skf21("6","7","3","1","6","6","4","1") = "6"
    & skf21("6","7","3","1","6","6","5","1") = "6"
    & skf21("6","7","3","1","6","6","6","1") = "6"
    & skf21("6","7","3","1","6","6","7","1") = "6"
    & skf21("6","7","3","1","6","7","1","1") = "6"
    & skf21("6","7","3","1","6","7","2","1") = "6"
    & skf21("6","7","3","1","6","7","3","1") = "6"
    & skf21("6","7","3","1","6","7","4","1") = "6"
    & skf21("6","7","3","1","6","7","5","1") = "6"
    & skf21("6","7","3","1","6","7","6","1") = "6"
    & skf21("6","7","3","1","6","7","7","1") = "6"
    & skf21("6","7","3","1","7","1","1","1") = "6"
    & skf21("6","7","3","1","7","1","2","1") = "6"
    & skf21("6","7","3","1","7","1","3","1") = "6"
    & skf21("6","7","3","1","7","1","4","1") = "6"
    & skf21("6","7","3","1","7","1","5","1") = "6"
    & skf21("6","7","3","1","7","1","6","1") = "6"
    & skf21("6","7","3","1","7","1","7","1") = "6"
    & skf21("6","7","3","1","7","2","1","1") = "6"
    & skf21("6","7","3","1","7","2","2","1") = "6"
    & skf21("6","7","3","1","7","2","3","1") = "6"
    & skf21("6","7","3","1","7","2","4","1") = "6"
    & skf21("6","7","3","1","7","2","5","1") = "6"
    & skf21("6","7","3","1","7","2","6","1") = "6"
    & skf21("6","7","3","1","7","2","7","1") = "6"
    & skf21("6","7","3","1","7","3","1","1") = "6"
    & skf21("6","7","3","1","7","3","2","1") = "6"
    & skf21("6","7","3","1","7","3","3","1") = "6"
    & skf21("6","7","3","1","7","3","4","1") = "6"
    & skf21("6","7","3","1","7","3","5","1") = "6"
    & skf21("6","7","3","1","7","3","6","1") = "6"
    & skf21("6","7","3","1","7","3","7","1") = "6"
    & skf21("6","7","3","1","7","4","1","1") = "6"
    & skf21("6","7","3","1","7","4","2","1") = "6"
    & skf21("6","7","3","1","7","4","3","1") = "6"
    & skf21("6","7","3","1","7","4","4","1") = "6"
    & skf21("6","7","3","1","7","4","5","1") = "6"
    & skf21("6","7","3","1","7","4","6","1") = "6"
    & skf21("6","7","3","1","7","4","7","1") = "6"
    & skf21("6","7","3","1","7","5","1","1") = "6"
    & skf21("6","7","3","1","7","5","2","1") = "6"
    & skf21("6","7","3","1","7","5","3","1") = "6"
    & skf21("6","7","3","1","7","5","4","1") = "6"
    & skf21("6","7","3","1","7","5","5","1") = "6"
    & skf21("6","7","3","1","7","5","6","1") = "6"
    & skf21("6","7","3","1","7","5","7","1") = "6"
    & skf21("6","7","3","1","7","6","1","1") = "6"
    & skf21("6","7","3","1","7","6","2","1") = "6"
    & skf21("6","7","3","1","7","6","3","1") = "6"
    & skf21("6","7","3","1","7","6","4","1") = "6"
    & skf21("6","7","3","1","7","6","5","1") = "6"
    & skf21("6","7","3","1","7","6","6","1") = "6"
    & skf21("6","7","3","1","7","6","7","1") = "6"
    & skf21("6","7","3","1","7","7","1","1") = "6"
    & skf21("6","7","3","1","7","7","2","1") = "6"
    & skf21("6","7","3","1","7","7","3","1") = "6"
    & skf21("6","7","3","1","7","7","4","1") = "6"
    & skf21("6","7","3","1","7","7","5","1") = "6"
    & skf21("6","7","3","1","7","7","6","1") = "6"
    & skf21("6","7","3","1","7","7","7","1") = "6"
    & skf21("6","7","3","2","1","1","1","1") = "6"
    & skf21("6","7","3","2","1","1","2","1") = "6"
    & skf21("6","7","3","2","1","1","3","1") = "6"
    & skf21("6","7","3","2","1","1","4","1") = "6"
    & skf21("6","7","3","2","1","1","5","1") = "6"
    & skf21("6","7","3","2","1","1","6","1") = "6"
    & skf21("6","7","3","2","1","1","7","1") = "6"
    & skf21("6","7","3","2","1","2","1","1") = "6"
    & skf21("6","7","3","2","1","2","2","1") = "6"
    & skf21("6","7","3","2","1","2","3","1") = "6"
    & skf21("6","7","3","2","1","2","4","1") = "6"
    & skf21("6","7","3","2","1","2","5","1") = "6"
    & skf21("6","7","3","2","1","2","6","1") = "6"
    & skf21("6","7","3","2","1","2","7","1") = "6"
    & skf21("6","7","3","2","1","3","1","1") = "6"
    & skf21("6","7","3","2","1","3","2","1") = "6"
    & skf21("6","7","3","2","1","3","3","1") = "6"
    & skf21("6","7","3","2","1","3","4","1") = "6"
    & skf21("6","7","3","2","1","3","5","1") = "6"
    & skf21("6","7","3","2","1","3","6","1") = "6"
    & skf21("6","7","3","2","1","3","7","1") = "6"
    & skf21("6","7","3","2","1","4","1","1") = "6"
    & skf21("6","7","3","2","1","4","2","1") = "6"
    & skf21("6","7","3","2","1","4","3","1") = "6"
    & skf21("6","7","3","2","1","4","4","1") = "6"
    & skf21("6","7","3","2","1","4","5","1") = "6"
    & skf21("6","7","3","2","1","4","6","1") = "6"
    & skf21("6","7","3","2","1","4","7","1") = "6"
    & skf21("6","7","3","2","1","5","1","1") = "6"
    & skf21("6","7","3","2","1","5","2","1") = "6"
    & skf21("6","7","3","2","1","5","3","1") = "6"
    & skf21("6","7","3","2","1","5","4","1") = "6"
    & skf21("6","7","3","2","1","5","5","1") = "6"
    & skf21("6","7","3","2","1","5","6","1") = "6"
    & skf21("6","7","3","2","1","5","7","1") = "6"
    & skf21("6","7","3","2","1","6","1","1") = "6"
    & skf21("6","7","3","2","1","6","2","1") = "6"
    & skf21("6","7","3","2","1","6","3","1") = "6"
    & skf21("6","7","3","2","1","6","4","1") = "6"
    & skf21("6","7","3","2","1","6","5","1") = "6"
    & skf21("6","7","3","2","1","6","6","1") = "6"
    & skf21("6","7","3","2","1","6","7","1") = "6"
    & skf21("6","7","3","2","1","7","1","1") = "6"
    & skf21("6","7","3","2","1","7","2","1") = "6"
    & skf21("6","7","3","2","1","7","3","1") = "6"
    & skf21("6","7","3","2","1","7","4","1") = "6"
    & skf21("6","7","3","2","1","7","5","1") = "6"
    & skf21("6","7","3","2","1","7","6","1") = "6"
    & skf21("6","7","3","2","1","7","7","1") = "6"
    & skf21("6","7","3","2","2","1","1","1") = "6"
    & skf21("6","7","3","2","2","1","2","1") = "6"
    & skf21("6","7","3","2","2","1","3","1") = "6"
    & skf21("6","7","3","2","2","1","4","1") = "6"
    & skf21("6","7","3","2","2","1","5","1") = "6"
    & skf21("6","7","3","2","2","1","6","1") = "6"
    & skf21("6","7","3","2","2","1","7","1") = "6"
    & skf21("6","7","3","2","2","2","1","1") = "6"
    & skf21("6","7","3","2","2","2","2","1") = "6"
    & skf21("6","7","3","2","2","2","3","1") = "6"
    & skf21("6","7","3","2","2","2","4","1") = "6"
    & skf21("6","7","3","2","2","2","5","1") = "6"
    & skf21("6","7","3","2","2","2","6","1") = "6"
    & skf21("6","7","3","2","2","2","7","1") = "6"
    & skf21("6","7","3","2","2","3","1","1") = "6"
    & skf21("6","7","3","2","2","3","2","1") = "6"
    & skf21("6","7","3","2","2","3","3","1") = "6"
    & skf21("6","7","3","2","2","3","4","1") = "6"
    & skf21("6","7","3","2","2","3","5","1") = "6"
    & skf21("6","7","3","2","2","3","6","1") = "6"
    & skf21("6","7","3","2","2","3","7","1") = "6"
    & skf21("6","7","3","2","2","4","1","1") = "6"
    & skf21("6","7","3","2","2","4","2","1") = "6"
    & skf21("6","7","3","2","2","4","3","1") = "6"
    & skf21("6","7","3","2","2","4","4","1") = "6"
    & skf21("6","7","3","2","2","4","5","1") = "6"
    & skf21("6","7","3","2","2","4","6","1") = "6"
    & skf21("6","7","3","2","2","4","7","1") = "6"
    & skf21("6","7","3","2","2","5","1","1") = "6"
    & skf21("6","7","3","2","2","5","2","1") = "6"
    & skf21("6","7","3","2","2","5","3","1") = "6"
    & skf21("6","7","3","2","2","5","4","1") = "6"
    & skf21("6","7","3","2","2","5","5","1") = "6"
    & skf21("6","7","3","2","2","5","6","1") = "6"
    & skf21("6","7","3","2","2","5","7","1") = "6"
    & skf21("6","7","3","2","2","6","1","1") = "6"
    & skf21("6","7","3","2","2","6","2","1") = "6"
    & skf21("6","7","3","2","2","6","3","1") = "6"
    & skf21("6","7","3","2","2","6","4","1") = "6"
    & skf21("6","7","3","2","2","6","5","1") = "6"
    & skf21("6","7","3","2","2","6","6","1") = "6"
    & skf21("6","7","3","2","2","6","7","1") = "6"
    & skf21("6","7","3","2","2","7","1","1") = "6"
    & skf21("6","7","3","2","2","7","2","1") = "6"
    & skf21("6","7","3","2","2","7","3","1") = "6"
    & skf21("6","7","3","2","2","7","4","1") = "6"
    & skf21("6","7","3","2","2","7","5","1") = "6"
    & skf21("6","7","3","2","2","7","6","1") = "6"
    & skf21("6","7","3","2","2","7","7","1") = "6"
    & skf21("6","7","3","2","3","1","1","1") = "6"
    & skf21("6","7","3","2","3","1","2","1") = "6"
    & skf21("6","7","3","2","3","1","3","1") = "6"
    & skf21("6","7","3","2","3","1","4","1") = "6"
    & skf21("6","7","3","2","3","1","5","1") = "6"
    & skf21("6","7","3","2","3","1","6","1") = "6"
    & skf21("6","7","3","2","3","1","7","1") = "6"
    & skf21("6","7","3","2","3","2","1","1") = "6"
    & skf21("6","7","3","2","3","2","2","1") = "6"
    & skf21("6","7","3","2","3","2","3","1") = "6"
    & skf21("6","7","3","2","3","2","4","1") = "6"
    & skf21("6","7","3","2","3","2","5","1") = "6"
    & skf21("6","7","3","2","3","2","6","1") = "6"
    & skf21("6","7","3","2","3","2","7","1") = "6"
    & skf21("6","7","3","2","3","3","1","1") = "6"
    & skf21("6","7","3","2","3","3","2","1") = "6"
    & skf21("6","7","3","2","3","3","3","1") = "6"
    & skf21("6","7","3","2","3","3","4","1") = "6"
    & skf21("6","7","3","2","3","3","5","1") = "6"
    & skf21("6","7","3","2","3","3","6","1") = "6"
    & skf21("6","7","3","2","3","3","7","1") = "6"
    & skf21("6","7","3","2","3","4","1","1") = "6"
    & skf21("6","7","3","2","3","4","2","1") = "6"
    & skf21("6","7","3","2","3","4","3","1") = "6"
    & skf21("6","7","3","2","3","4","4","1") = "6"
    & skf21("6","7","3","2","3","4","5","1") = "6"
    & skf21("6","7","3","2","3","4","6","1") = "6"
    & skf21("6","7","3","2","3","4","7","1") = "6"
    & skf21("6","7","3","2","3","5","1","1") = "6"
    & skf21("6","7","3","2","3","5","2","1") = "6"
    & skf21("6","7","3","2","3","5","3","1") = "6"
    & skf21("6","7","3","2","3","5","4","1") = "6"
    & skf21("6","7","3","2","3","5","5","1") = "6"
    & skf21("6","7","3","2","3","5","6","1") = "6"
    & skf21("6","7","3","2","3","5","7","1") = "6"
    & skf21("6","7","3","2","3","6","1","1") = "6"
    & skf21("6","7","3","2","3","6","2","1") = "6"
    & skf21("6","7","3","2","3","6","3","1") = "6"
    & skf21("6","7","3","2","3","6","4","1") = "6"
    & skf21("6","7","3","2","3","6","5","1") = "6"
    & skf21("6","7","3","2","3","6","6","1") = "6"
    & skf21("6","7","3","2","3","6","7","1") = "6"
    & skf21("6","7","3","2","3","7","1","1") = "6"
    & skf21("6","7","3","2","3","7","2","1") = "6"
    & skf21("6","7","3","2","3","7","3","1") = "6"
    & skf21("6","7","3","2","3","7","4","1") = "6"
    & skf21("6","7","3","2","3","7","5","1") = "6"
    & skf21("6","7","3","2","3","7","6","1") = "6"
    & skf21("6","7","3","2","3","7","7","1") = "6"
    & skf21("6","7","3","2","4","1","1","1") = "6"
    & skf21("6","7","3","2","4","1","2","1") = "6"
    & skf21("6","7","3","2","4","1","3","1") = "6"
    & skf21("6","7","3","2","4","1","4","1") = "6"
    & skf21("6","7","3","2","4","1","5","1") = "6"
    & skf21("6","7","3","2","4","1","6","1") = "6"
    & skf21("6","7","3","2","4","1","7","1") = "6"
    & skf21("6","7","3","2","4","2","1","1") = "6"
    & skf21("6","7","3","2","4","2","2","1") = "6"
    & skf21("6","7","3","2","4","2","3","1") = "6"
    & skf21("6","7","3","2","4","2","4","1") = "6"
    & skf21("6","7","3","2","4","2","5","1") = "6"
    & skf21("6","7","3","2","4","2","6","1") = "6"
    & skf21("6","7","3","2","4","2","7","1") = "6"
    & skf21("6","7","3","2","4","3","1","1") = "6"
    & skf21("6","7","3","2","4","3","2","1") = "6"
    & skf21("6","7","3","2","4","3","3","1") = "6"
    & skf21("6","7","3","2","4","3","4","1") = "6"
    & skf21("6","7","3","2","4","3","5","1") = "6"
    & skf21("6","7","3","2","4","3","6","1") = "6"
    & skf21("6","7","3","2","4","3","7","1") = "6"
    & skf21("6","7","3","2","4","4","1","1") = "6"
    & skf21("6","7","3","2","4","4","2","1") = "6"
    & skf21("6","7","3","2","4","4","3","1") = "6"
    & skf21("6","7","3","2","4","4","4","1") = "6"
    & skf21("6","7","3","2","4","4","5","1") = "6"
    & skf21("6","7","3","2","4","4","6","1") = "6"
    & skf21("6","7","3","2","4","4","7","1") = "6"
    & skf21("6","7","3","2","4","5","1","1") = "6"
    & skf21("6","7","3","2","4","5","2","1") = "6"
    & skf21("6","7","3","2","4","5","3","1") = "6"
    & skf21("6","7","3","2","4","5","4","1") = "6"
    & skf21("6","7","3","2","4","5","5","1") = "6"
    & skf21("6","7","3","2","4","5","6","1") = "6"
    & skf21("6","7","3","2","4","5","7","1") = "6"
    & skf21("6","7","3","2","4","6","1","1") = "6"
    & skf21("6","7","3","2","4","6","2","1") = "6"
    & skf21("6","7","3","2","4","6","3","1") = "6"
    & skf21("6","7","3","2","4","6","4","1") = "6"
    & skf21("6","7","3","2","4","6","5","1") = "6"
    & skf21("6","7","3","2","4","6","6","1") = "6"
    & skf21("6","7","3","2","4","6","7","1") = "6"
    & skf21("6","7","3","2","4","7","1","1") = "6"
    & skf21("6","7","3","2","4","7","2","1") = "6"
    & skf21("6","7","3","2","4","7","3","1") = "6"
    & skf21("6","7","3","2","4","7","4","1") = "6"
    & skf21("6","7","3","2","4","7","5","1") = "6"
    & skf21("6","7","3","2","4","7","6","1") = "6"
    & skf21("6","7","3","2","4","7","7","1") = "6"
    & skf21("6","7","3","2","5","1","1","1") = "6"
    & skf21("6","7","3","2","5","1","2","1") = "6"
    & skf21("6","7","3","2","5","1","3","1") = "6"
    & skf21("6","7","3","2","5","1","4","1") = "6"
    & skf21("6","7","3","2","5","1","5","1") = "6"
    & skf21("6","7","3","2","5","1","6","1") = "6"
    & skf21("6","7","3","2","5","1","7","1") = "6"
    & skf21("6","7","3","2","5","2","1","1") = "6"
    & skf21("6","7","3","2","5","2","2","1") = "6"
    & skf21("6","7","3","2","5","2","3","1") = "6"
    & skf21("6","7","3","2","5","2","4","1") = "6"
    & skf21("6","7","3","2","5","2","5","1") = "6"
    & skf21("6","7","3","2","5","2","6","1") = "6"
    & skf21("6","7","3","2","5","2","7","1") = "6"
    & skf21("6","7","3","2","5","3","1","1") = "6"
    & skf21("6","7","3","2","5","3","2","1") = "6"
    & skf21("6","7","3","2","5","3","3","1") = "6"
    & skf21("6","7","3","2","5","3","4","1") = "6"
    & skf21("6","7","3","2","5","3","5","1") = "6"
    & skf21("6","7","3","2","5","3","6","1") = "6"
    & skf21("6","7","3","2","5","3","7","1") = "6"
    & skf21("6","7","3","2","5","4","1","1") = "6"
    & skf21("6","7","3","2","5","4","2","1") = "6"
    & skf21("6","7","3","2","5","4","3","1") = "6"
    & skf21("6","7","3","2","5","4","4","1") = "6"
    & skf21("6","7","3","2","5","4","5","1") = "6"
    & skf21("6","7","3","2","5","4","6","1") = "6"
    & skf21("6","7","3","2","5","4","7","1") = "6"
    & skf21("6","7","3","2","5","5","1","1") = "6"
    & skf21("6","7","3","2","5","5","2","1") = "6"
    & skf21("6","7","3","2","5","5","3","1") = "6"
    & skf21("6","7","3","2","5","5","4","1") = "6"
    & skf21("6","7","3","2","5","5","5","1") = "6"
    & skf21("6","7","3","2","5","5","6","1") = "6"
    & skf21("6","7","3","2","5","5","7","1") = "6"
    & skf21("6","7","3","2","5","6","1","1") = "6"
    & skf21("6","7","3","2","5","6","2","1") = "6"
    & skf21("6","7","3","2","5","6","3","1") = "6"
    & skf21("6","7","3","2","5","6","4","1") = "6"
    & skf21("6","7","3","2","5","6","5","1") = "6"
    & skf21("6","7","3","2","5","6","6","1") = "6"
    & skf21("6","7","3","2","5","6","7","1") = "6"
    & skf21("6","7","3","2","5","7","1","1") = "6"
    & skf21("6","7","3","2","5","7","2","1") = "6"
    & skf21("6","7","3","2","5","7","3","1") = "6"
    & skf21("6","7","3","2","5","7","4","1") = "6"
    & skf21("6","7","3","2","5","7","5","1") = "6"
    & skf21("6","7","3","2","5","7","6","1") = "6"
    & skf21("6","7","3","2","5","7","7","1") = "6"
    & skf21("6","7","3","2","6","1","1","1") = "6"
    & skf21("6","7","3","2","6","1","2","1") = "6"
    & skf21("6","7","3","2","6","1","3","1") = "6"
    & skf21("6","7","3","2","6","1","4","1") = "6"
    & skf21("6","7","3","2","6","1","5","1") = "6"
    & skf21("6","7","3","2","6","1","6","1") = "6"
    & skf21("6","7","3","2","6","1","7","1") = "6"
    & skf21("6","7","3","2","6","2","1","1") = "6"
    & skf21("6","7","3","2","6","2","2","1") = "6"
    & skf21("6","7","3","2","6","2","3","1") = "6"
    & skf21("6","7","3","2","6","2","4","1") = "6"
    & skf21("6","7","3","2","6","2","5","1") = "6"
    & skf21("6","7","3","2","6","2","6","1") = "6"
    & skf21("6","7","3","2","6","2","7","1") = "6"
    & skf21("6","7","3","2","6","3","1","1") = "6"
    & skf21("6","7","3","2","6","3","2","1") = "6"
    & skf21("6","7","3","2","6","3","3","1") = "6"
    & skf21("6","7","3","2","6","3","4","1") = "6"
    & skf21("6","7","3","2","6","3","5","1") = "6"
    & skf21("6","7","3","2","6","3","6","1") = "6"
    & skf21("6","7","3","2","6","3","7","1") = "6"
    & skf21("6","7","3","2","6","4","1","1") = "6"
    & skf21("6","7","3","2","6","4","2","1") = "6"
    & skf21("6","7","3","2","6","4","3","1") = "6"
    & skf21("6","7","3","2","6","4","4","1") = "6"
    & skf21("6","7","3","2","6","4","5","1") = "6"
    & skf21("6","7","3","2","6","4","6","1") = "6"
    & skf21("6","7","3","2","6","4","7","1") = "6"
    & skf21("6","7","3","2","6","5","1","1") = "6"
    & skf21("6","7","3","2","6","5","2","1") = "6"
    & skf21("6","7","3","2","6","5","3","1") = "6"
    & skf21("6","7","3","2","6","5","4","1") = "6"
    & skf21("6","7","3","2","6","5","5","1") = "6"
    & skf21("6","7","3","2","6","5","6","1") = "6"
    & skf21("6","7","3","2","6","5","7","1") = "6"
    & skf21("6","7","3","2","6","6","1","1") = "6"
    & skf21("6","7","3","2","6","6","2","1") = "6"
    & skf21("6","7","3","2","6","6","3","1") = "6"
    & skf21("6","7","3","2","6","6","4","1") = "6"
    & skf21("6","7","3","2","6","6","5","1") = "6"
    & skf21("6","7","3","2","6","6","6","1") = "6"
    & skf21("6","7","3","2","6","6","7","1") = "6"
    & skf21("6","7","3","2","6","7","1","1") = "6"
    & skf21("6","7","3","2","6","7","2","1") = "6"
    & skf21("6","7","3","2","6","7","3","1") = "6"
    & skf21("6","7","3","2","6","7","4","1") = "6"
    & skf21("6","7","3","2","6","7","5","1") = "6"
    & skf21("6","7","3","2","6","7","6","1") = "6"
    & skf21("6","7","3","2","6","7","7","1") = "6"
    & skf21("6","7","3","2","7","1","1","1") = "6"
    & skf21("6","7","3","2","7","1","2","1") = "6"
    & skf21("6","7","3","2","7","1","3","1") = "6"
    & skf21("6","7","3","2","7","1","4","1") = "6"
    & skf21("6","7","3","2","7","1","5","1") = "6"
    & skf21("6","7","3","2","7","1","6","1") = "6"
    & skf21("6","7","3","2","7","1","7","1") = "6"
    & skf21("6","7","3","2","7","2","1","1") = "6"
    & skf21("6","7","3","2","7","2","2","1") = "6"
    & skf21("6","7","3","2","7","2","3","1") = "6"
    & skf21("6","7","3","2","7","2","4","1") = "6"
    & skf21("6","7","3","2","7","2","5","1") = "6"
    & skf21("6","7","3","2","7","2","6","1") = "6"
    & skf21("6","7","3","2","7","2","7","1") = "6"
    & skf21("6","7","3","2","7","3","1","1") = "6"
    & skf21("6","7","3","2","7","3","2","1") = "6"
    & skf21("6","7","3","2","7","3","3","1") = "6"
    & skf21("6","7","3","2","7","3","4","1") = "6"
    & skf21("6","7","3","2","7","3","5","1") = "6"
    & skf21("6","7","3","2","7","3","6","1") = "6"
    & skf21("6","7","3","2","7","3","7","1") = "6"
    & skf21("6","7","3","2","7","4","1","1") = "6"
    & skf21("6","7","3","2","7","4","2","1") = "6"
    & skf21("6","7","3","2","7","4","3","1") = "6"
    & skf21("6","7","3","2","7","4","4","1") = "6"
    & skf21("6","7","3","2","7","4","5","1") = "6"
    & skf21("6","7","3","2","7","4","6","1") = "6"
    & skf21("6","7","3","2","7","4","7","1") = "6"
    & skf21("6","7","3","2","7","5","1","1") = "6"
    & skf21("6","7","3","2","7","5","2","1") = "6"
    & skf21("6","7","3","2","7","5","3","1") = "6"
    & skf21("6","7","3","2","7","5","4","1") = "6"
    & skf21("6","7","3","2","7","5","5","1") = "6"
    & skf21("6","7","3","2","7","5","6","1") = "6"
    & skf21("6","7","3","2","7","5","7","1") = "6"
    & skf21("6","7","3","2","7","6","1","1") = "6"
    & skf21("6","7","3","2","7","6","2","1") = "6"
    & skf21("6","7","3","2","7","6","3","1") = "6"
    & skf21("6","7","3","2","7","6","4","1") = "6"
    & skf21("6","7","3","2","7","6","5","1") = "6"
    & skf21("6","7","3","2","7","6","6","1") = "6"
    & skf21("6","7","3","2","7","6","7","1") = "6"
    & skf21("6","7","3","2","7","7","1","1") = "6"
    & skf21("6","7","3","2","7","7","2","1") = "6"
    & skf21("6","7","3","2","7","7","3","1") = "6"
    & skf21("6","7","3","2","7","7","4","1") = "6"
    & skf21("6","7","3","2","7","7","5","1") = "6"
    & skf21("6","7","3","2","7","7","6","1") = "6"
    & skf21("6","7","3","2","7","7","7","1") = "6"
    & skf21("6","7","3","3","1","1","1","1") = "6"
    & skf21("6","7","3","3","1","1","2","1") = "6"
    & skf21("6","7","3","3","1","1","3","1") = "6"
    & skf21("6","7","3","3","1","1","4","1") = "6"
    & skf21("6","7","3","3","1","1","5","1") = "6"
    & skf21("6","7","3","3","1","1","6","1") = "6"
    & skf21("6","7","3","3","1","1","7","1") = "6"
    & skf21("6","7","3","3","1","2","1","1") = "6"
    & skf21("6","7","3","3","1","2","2","1") = "6"
    & skf21("6","7","3","3","1","2","3","1") = "6"
    & skf21("6","7","3","3","1","2","4","1") = "6"
    & skf21("6","7","3","3","1","2","5","1") = "6"
    & skf21("6","7","3","3","1","2","6","1") = "6"
    & skf21("6","7","3","3","1","2","7","1") = "6"
    & skf21("6","7","3","3","1","3","1","1") = "6"
    & skf21("6","7","3","3","1","3","2","1") = "6"
    & skf21("6","7","3","3","1","3","3","1") = "6"
    & skf21("6","7","3","3","1","3","4","1") = "6"
    & skf21("6","7","3","3","1","3","5","1") = "6"
    & skf21("6","7","3","3","1","3","6","1") = "6"
    & skf21("6","7","3","3","1","3","7","1") = "6"
    & skf21("6","7","3","3","1","4","1","1") = "6"
    & skf21("6","7","3","3","1","4","2","1") = "6"
    & skf21("6","7","3","3","1","4","3","1") = "6"
    & skf21("6","7","3","3","1","4","4","1") = "6"
    & skf21("6","7","3","3","1","4","5","1") = "6"
    & skf21("6","7","3","3","1","4","6","1") = "6"
    & skf21("6","7","3","3","1","4","7","1") = "6"
    & skf21("6","7","3","3","1","5","1","1") = "6"
    & skf21("6","7","3","3","1","5","2","1") = "6"
    & skf21("6","7","3","3","1","5","3","1") = "6"
    & skf21("6","7","3","3","1","5","4","1") = "6"
    & skf21("6","7","3","3","1","5","5","1") = "6"
    & skf21("6","7","3","3","1","5","6","1") = "6"
    & skf21("6","7","3","3","1","5","7","1") = "6"
    & skf21("6","7","3","3","1","6","1","1") = "6"
    & skf21("6","7","3","3","1","6","2","1") = "6"
    & skf21("6","7","3","3","1","6","3","1") = "6"
    & skf21("6","7","3","3","1","6","4","1") = "6"
    & skf21("6","7","3","3","1","6","5","1") = "6"
    & skf21("6","7","3","3","1","6","6","1") = "6"
    & skf21("6","7","3","3","1","6","7","1") = "6"
    & skf21("6","7","3","3","1","7","1","1") = "6"
    & skf21("6","7","3","3","1","7","2","1") = "6"
    & skf21("6","7","3","3","1","7","3","1") = "6"
    & skf21("6","7","3","3","1","7","4","1") = "6"
    & skf21("6","7","3","3","1","7","5","1") = "6"
    & skf21("6","7","3","3","1","7","6","1") = "6"
    & skf21("6","7","3","3","1","7","7","1") = "6"
    & skf21("6","7","3","3","2","1","1","1") = "6"
    & skf21("6","7","3","3","2","1","2","1") = "6"
    & skf21("6","7","3","3","2","1","3","1") = "6"
    & skf21("6","7","3","3","2","1","4","1") = "6"
    & skf21("6","7","3","3","2","1","5","1") = "6"
    & skf21("6","7","3","3","2","1","6","1") = "6"
    & skf21("6","7","3","3","2","1","7","1") = "6"
    & skf21("6","7","3","3","2","2","1","1") = "6"
    & skf21("6","7","3","3","2","2","2","1") = "6"
    & skf21("6","7","3","3","2","2","3","1") = "6"
    & skf21("6","7","3","3","2","2","4","1") = "6"
    & skf21("6","7","3","3","2","2","5","1") = "6"
    & skf21("6","7","3","3","2","2","6","1") = "6"
    & skf21("6","7","3","3","2","2","7","1") = "6"
    & skf21("6","7","3","3","2","3","1","1") = "6"
    & skf21("6","7","3","3","2","3","2","1") = "6"
    & skf21("6","7","3","3","2","3","3","1") = "6"
    & skf21("6","7","3","3","2","3","4","1") = "6"
    & skf21("6","7","3","3","2","3","5","1") = "6"
    & skf21("6","7","3","3","2","3","6","1") = "6"
    & skf21("6","7","3","3","2","3","7","1") = "6"
    & skf21("6","7","3","3","2","4","1","1") = "6"
    & skf21("6","7","3","3","2","4","2","1") = "6"
    & skf21("6","7","3","3","2","4","3","1") = "6"
    & skf21("6","7","3","3","2","4","4","1") = "6"
    & skf21("6","7","3","3","2","4","5","1") = "6"
    & skf21("6","7","3","3","2","4","6","1") = "6"
    & skf21("6","7","3","3","2","4","7","1") = "6"
    & skf21("6","7","3","3","2","5","1","1") = "6"
    & skf21("6","7","3","3","2","5","2","1") = "6"
    & skf21("6","7","3","3","2","5","3","1") = "6"
    & skf21("6","7","3","3","2","5","4","1") = "6"
    & skf21("6","7","3","3","2","5","5","1") = "6"
    & skf21("6","7","3","3","2","5","6","1") = "6"
    & skf21("6","7","3","3","2","5","7","1") = "6"
    & skf21("6","7","3","3","2","6","1","1") = "6"
    & skf21("6","7","3","3","2","6","2","1") = "6"
    & skf21("6","7","3","3","2","6","3","1") = "6"
    & skf21("6","7","3","3","2","6","4","1") = "6"
    & skf21("6","7","3","3","2","6","5","1") = "6"
    & skf21("6","7","3","3","2","6","6","1") = "6"
    & skf21("6","7","3","3","2","6","7","1") = "6"
    & skf21("6","7","3","3","2","7","1","1") = "6"
    & skf21("6","7","3","3","2","7","2","1") = "6"
    & skf21("6","7","3","3","2","7","3","1") = "6"
    & skf21("6","7","3","3","2","7","4","1") = "6"
    & skf21("6","7","3","3","2","7","5","1") = "6"
    & skf21("6","7","3","3","2","7","6","1") = "6"
    & skf21("6","7","3","3","2","7","7","1") = "6"
    & skf21("6","7","3","3","3","1","1","1") = "6"
    & skf21("6","7","3","3","3","1","2","1") = "6"
    & skf21("6","7","3","3","3","1","3","1") = "6"
    & skf21("6","7","3","3","3","1","4","1") = "6"
    & skf21("6","7","3","3","3","1","5","1") = "6"
    & skf21("6","7","3","3","3","1","6","1") = "6"
    & skf21("6","7","3","3","3","1","7","1") = "6"
    & skf21("6","7","3","3","3","2","1","1") = "6"
    & skf21("6","7","3","3","3","2","2","1") = "6"
    & skf21("6","7","3","3","3","2","3","1") = "6"
    & skf21("6","7","3","3","3","2","4","1") = "6"
    & skf21("6","7","3","3","3","2","5","1") = "6"
    & skf21("6","7","3","3","3","2","6","1") = "6"
    & skf21("6","7","3","3","3","2","7","1") = "6"
    & skf21("6","7","3","3","3","3","1","1") = "6"
    & skf21("6","7","3","3","3","3","2","1") = "6"
    & skf21("6","7","3","3","3","3","3","1") = "6"
    & skf21("6","7","3","3","3","3","4","1") = "6"
    & skf21("6","7","3","3","3","3","5","1") = "6"
    & skf21("6","7","3","3","3","3","6","1") = "6"
    & skf21("6","7","3","3","3","3","7","1") = "6"
    & skf21("6","7","3","3","3","4","1","1") = "6"
    & skf21("6","7","3","3","3","4","2","1") = "6"
    & skf21("6","7","3","3","3","4","3","1") = "6"
    & skf21("6","7","3","3","3","4","4","1") = "6"
    & skf21("6","7","3","3","3","4","5","1") = "6"
    & skf21("6","7","3","3","3","4","6","1") = "6"
    & skf21("6","7","3","3","3","4","7","1") = "6"
    & skf21("6","7","3","3","3","5","1","1") = "6"
    & skf21("6","7","3","3","3","5","2","1") = "6"
    & skf21("6","7","3","3","3","5","3","1") = "6"
    & skf21("6","7","3","3","3","5","4","1") = "6"
    & skf21("6","7","3","3","3","5","5","1") = "6"
    & skf21("6","7","3","3","3","5","6","1") = "6"
    & skf21("6","7","3","3","3","5","7","1") = "6"
    & skf21("6","7","3","3","3","6","1","1") = "6"
    & skf21("6","7","3","3","3","6","2","1") = "6"
    & skf21("6","7","3","3","3","6","3","1") = "6"
    & skf21("6","7","3","3","3","6","4","1") = "6"
    & skf21("6","7","3","3","3","6","5","1") = "6"
    & skf21("6","7","3","3","3","6","6","1") = "6"
    & skf21("6","7","3","3","3","6","7","1") = "6"
    & skf21("6","7","3","3","3","7","1","1") = "6"
    & skf21("6","7","3","3","3","7","2","1") = "6"
    & skf21("6","7","3","3","3","7","3","1") = "6"
    & skf21("6","7","3","3","3","7","4","1") = "6"
    & skf21("6","7","3","3","3","7","5","1") = "6"
    & skf21("6","7","3","3","3","7","6","1") = "6"
    & skf21("6","7","3","3","3","7","7","1") = "6"
    & skf21("6","7","3","3","4","1","1","1") = "6"
    & skf21("6","7","3","3","4","1","2","1") = "6"
    & skf21("6","7","3","3","4","1","3","1") = "6"
    & skf21("6","7","3","3","4","1","4","1") = "6"
    & skf21("6","7","3","3","4","1","5","1") = "6"
    & skf21("6","7","3","3","4","1","6","1") = "6"
    & skf21("6","7","3","3","4","1","7","1") = "6"
    & skf21("6","7","3","3","4","2","1","1") = "6"
    & skf21("6","7","3","3","4","2","2","1") = "6"
    & skf21("6","7","3","3","4","2","3","1") = "6"
    & skf21("6","7","3","3","4","2","4","1") = "6"
    & skf21("6","7","3","3","4","2","5","1") = "6"
    & skf21("6","7","3","3","4","2","6","1") = "6"
    & skf21("6","7","3","3","4","2","7","1") = "6"
    & skf21("6","7","3","3","4","3","1","1") = "6"
    & skf21("6","7","3","3","4","3","2","1") = "6"
    & skf21("6","7","3","3","4","3","3","1") = "6"
    & skf21("6","7","3","3","4","3","4","1") = "6"
    & skf21("6","7","3","3","4","3","5","1") = "6"
    & skf21("6","7","3","3","4","3","6","1") = "6"
    & skf21("6","7","3","3","4","3","7","1") = "6"
    & skf21("6","7","3","3","4","4","1","1") = "6"
    & skf21("6","7","3","3","4","4","2","1") = "6"
    & skf21("6","7","3","3","4","4","3","1") = "6"
    & skf21("6","7","3","3","4","4","4","1") = "6"
    & skf21("6","7","3","3","4","4","5","1") = "6"
    & skf21("6","7","3","3","4","4","6","1") = "6"
    & skf21("6","7","3","3","4","4","7","1") = "6"
    & skf21("6","7","3","3","4","5","1","1") = "6"
    & skf21("6","7","3","3","4","5","2","1") = "6"
    & skf21("6","7","3","3","4","5","3","1") = "6"
    & skf21("6","7","3","3","4","5","4","1") = "6"
    & skf21("6","7","3","3","4","5","5","1") = "6"
    & skf21("6","7","3","3","4","5","6","1") = "6"
    & skf21("6","7","3","3","4","5","7","1") = "6"
    & skf21("6","7","3","3","4","6","1","1") = "6"
    & skf21("6","7","3","3","4","6","2","1") = "6"
    & skf21("6","7","3","3","4","6","3","1") = "6"
    & skf21("6","7","3","3","4","6","4","1") = "6"
    & skf21("6","7","3","3","4","6","5","1") = "6"
    & skf21("6","7","3","3","4","6","6","1") = "6"
    & skf21("6","7","3","3","4","6","7","1") = "6"
    & skf21("6","7","3","3","4","7","1","1") = "6"
    & skf21("6","7","3","3","4","7","2","1") = "6"
    & skf21("6","7","3","3","4","7","3","1") = "6"
    & skf21("6","7","3","3","4","7","4","1") = "6"
    & skf21("6","7","3","3","4","7","5","1") = "6"
    & skf21("6","7","3","3","4","7","6","1") = "6"
    & skf21("6","7","3","3","4","7","7","1") = "6"
    & skf21("6","7","3","3","5","1","1","1") = "6"
    & skf21("6","7","3","3","5","1","2","1") = "6"
    & skf21("6","7","3","3","5","1","3","1") = "6"
    & skf21("6","7","3","3","5","1","4","1") = "6"
    & skf21("6","7","3","3","5","1","5","1") = "6"
    & skf21("6","7","3","3","5","1","6","1") = "6"
    & skf21("6","7","3","3","5","1","7","1") = "6"
    & skf21("6","7","3","3","5","2","1","1") = "6"
    & skf21("6","7","3","3","5","2","2","1") = "6"
    & skf21("6","7","3","3","5","2","3","1") = "6"
    & skf21("6","7","3","3","5","2","4","1") = "6"
    & skf21("6","7","3","3","5","2","5","1") = "6"
    & skf21("6","7","3","3","5","2","6","1") = "6"
    & skf21("6","7","3","3","5","2","7","1") = "6"
    & skf21("6","7","3","3","5","3","1","1") = "6"
    & skf21("6","7","3","3","5","3","2","1") = "6"
    & skf21("6","7","3","3","5","3","3","1") = "6"
    & skf21("6","7","3","3","5","3","4","1") = "6"
    & skf21("6","7","3","3","5","3","5","1") = "6"
    & skf21("6","7","3","3","5","3","6","1") = "6"
    & skf21("6","7","3","3","5","3","7","1") = "6"
    & skf21("6","7","3","3","5","4","1","1") = "6"
    & skf21("6","7","3","3","5","4","2","1") = "6"
    & skf21("6","7","3","3","5","4","3","1") = "6"
    & skf21("6","7","3","3","5","4","4","1") = "6"
    & skf21("6","7","3","3","5","4","5","1") = "6"
    & skf21("6","7","3","3","5","4","6","1") = "6"
    & skf21("6","7","3","3","5","4","7","1") = "6"
    & skf21("6","7","3","3","5","5","1","1") = "6"
    & skf21("6","7","3","3","5","5","2","1") = "6"
    & skf21("6","7","3","3","5","5","3","1") = "6"
    & skf21("6","7","3","3","5","5","4","1") = "6"
    & skf21("6","7","3","3","5","5","5","1") = "6"
    & skf21("6","7","3","3","5","5","6","1") = "6"
    & skf21("6","7","3","3","5","5","7","1") = "6"
    & skf21("6","7","3","3","5","6","1","1") = "6"
    & skf21("6","7","3","3","5","6","2","1") = "6"
    & skf21("6","7","3","3","5","6","3","1") = "6"
    & skf21("6","7","3","3","5","6","4","1") = "6"
    & skf21("6","7","3","3","5","6","5","1") = "6"
    & skf21("6","7","3","3","5","6","6","1") = "6"
    & skf21("6","7","3","3","5","6","7","1") = "6"
    & skf21("6","7","3","3","5","7","1","1") = "6"
    & skf21("6","7","3","3","5","7","2","1") = "6"
    & skf21("6","7","3","3","5","7","3","1") = "6"
    & skf21("6","7","3","3","5","7","4","1") = "6"
    & skf21("6","7","3","3","5","7","5","1") = "6"
    & skf21("6","7","3","3","5","7","6","1") = "6"
    & skf21("6","7","3","3","5","7","7","1") = "6"
    & skf21("6","7","3","3","6","1","1","1") = "6"
    & skf21("6","7","3","3","6","1","2","1") = "6"
    & skf21("6","7","3","3","6","1","3","1") = "6"
    & skf21("6","7","3","3","6","1","4","1") = "6"
    & skf21("6","7","3","3","6","1","5","1") = "6"
    & skf21("6","7","3","3","6","1","6","1") = "6"
    & skf21("6","7","3","3","6","1","7","1") = "6"
    & skf21("6","7","3","3","6","2","1","1") = "6"
    & skf21("6","7","3","3","6","2","2","1") = "6"
    & skf21("6","7","3","3","6","2","3","1") = "6"
    & skf21("6","7","3","3","6","2","4","1") = "6"
    & skf21("6","7","3","3","6","2","5","1") = "6"
    & skf21("6","7","3","3","6","2","6","1") = "6"
    & skf21("6","7","3","3","6","2","7","1") = "6"
    & skf21("6","7","3","3","6","3","1","1") = "6"
    & skf21("6","7","3","3","6","3","2","1") = "6"
    & skf21("6","7","3","3","6","3","3","1") = "6"
    & skf21("6","7","3","3","6","3","4","1") = "6"
    & skf21("6","7","3","3","6","3","5","1") = "6"
    & skf21("6","7","3","3","6","3","6","1") = "6"
    & skf21("6","7","3","3","6","3","7","1") = "6"
    & skf21("6","7","3","3","6","4","1","1") = "6"
    & skf21("6","7","3","3","6","4","2","1") = "6"
    & skf21("6","7","3","3","6","4","3","1") = "6"
    & skf21("6","7","3","3","6","4","4","1") = "6"
    & skf21("6","7","3","3","6","4","5","1") = "6"
    & skf21("6","7","3","3","6","4","6","1") = "6"
    & skf21("6","7","3","3","6","4","7","1") = "6"
    & skf21("6","7","3","3","6","5","1","1") = "6"
    & skf21("6","7","3","3","6","5","2","1") = "6"
    & skf21("6","7","3","3","6","5","3","1") = "6"
    & skf21("6","7","3","3","6","5","4","1") = "6"
    & skf21("6","7","3","3","6","5","5","1") = "6"
    & skf21("6","7","3","3","6","5","6","1") = "6"
    & skf21("6","7","3","3","6","5","7","1") = "6"
    & skf21("6","7","3","3","6","6","1","1") = "6"
    & skf21("6","7","3","3","6","6","2","1") = "6"
    & skf21("6","7","3","3","6","6","3","1") = "6"
    & skf21("6","7","3","3","6","6","4","1") = "6"
    & skf21("6","7","3","3","6","6","5","1") = "6"
    & skf21("6","7","3","3","6","6","6","1") = "6"
    & skf21("6","7","3","3","6","6","7","1") = "6"
    & skf21("6","7","3","3","6","7","1","1") = "6"
    & skf21("6","7","3","3","6","7","2","1") = "6"
    & skf21("6","7","3","3","6","7","3","1") = "6"
    & skf21("6","7","3","3","6","7","4","1") = "6"
    & skf21("6","7","3","3","6","7","5","1") = "6"
    & skf21("6","7","3","3","6","7","6","1") = "6"
    & skf21("6","7","3","3","6","7","7","1") = "6"
    & skf21("6","7","3","3","7","1","1","1") = "6"
    & skf21("6","7","3","3","7","1","2","1") = "6"
    & skf21("6","7","3","3","7","1","3","1") = "6"
    & skf21("6","7","3","3","7","1","4","1") = "6"
    & skf21("6","7","3","3","7","1","5","1") = "6"
    & skf21("6","7","3","3","7","1","6","1") = "6"
    & skf21("6","7","3","3","7","1","7","1") = "6"
    & skf21("6","7","3","3","7","2","1","1") = "6"
    & skf21("6","7","3","3","7","2","2","1") = "6"
    & skf21("6","7","3","3","7","2","3","1") = "6"
    & skf21("6","7","3","3","7","2","4","1") = "6"
    & skf21("6","7","3","3","7","2","5","1") = "6"
    & skf21("6","7","3","3","7","2","6","1") = "6"
    & skf21("6","7","3","3","7","2","7","1") = "6"
    & skf21("6","7","3","3","7","3","1","1") = "6"
    & skf21("6","7","3","3","7","3","2","1") = "6"
    & skf21("6","7","3","3","7","3","3","1") = "6"
    & skf21("6","7","3","3","7","3","4","1") = "6"
    & skf21("6","7","3","3","7","3","5","1") = "6"
    & skf21("6","7","3","3","7","3","6","1") = "6"
    & skf21("6","7","3","3","7","3","7","1") = "6"
    & skf21("6","7","3","3","7","4","1","1") = "6"
    & skf21("6","7","3","3","7","4","2","1") = "6"
    & skf21("6","7","3","3","7","4","3","1") = "6"
    & skf21("6","7","3","3","7","4","4","1") = "6"
    & skf21("6","7","3","3","7","4","5","1") = "6"
    & skf21("6","7","3","3","7","4","6","1") = "6"
    & skf21("6","7","3","3","7","4","7","1") = "6"
    & skf21("6","7","3","3","7","5","1","1") = "6"
    & skf21("6","7","3","3","7","5","2","1") = "6"
    & skf21("6","7","3","3","7","5","3","1") = "6"
    & skf21("6","7","3","3","7","5","4","1") = "6"
    & skf21("6","7","3","3","7","5","5","1") = "6"
    & skf21("6","7","3","3","7","5","6","1") = "6"
    & skf21("6","7","3","3","7","5","7","1") = "6"
    & skf21("6","7","3","3","7","6","1","1") = "6"
    & skf21("6","7","3","3","7","6","2","1") = "6"
    & skf21("6","7","3","3","7","6","3","1") = "6"
    & skf21("6","7","3","3","7","6","4","1") = "6"
    & skf21("6","7","3","3","7","6","5","1") = "6"
    & skf21("6","7","3","3","7","6","6","1") = "6"
    & skf21("6","7","3","3","7","6","7","1") = "6"
    & skf21("6","7","3","3","7","7","1","1") = "6"
    & skf21("6","7","3","3","7","7","2","1") = "6"
    & skf21("6","7","3","3","7","7","3","1") = "6"
    & skf21("6","7","3","3","7","7","4","1") = "6"
    & skf21("6","7","3","3","7","7","5","1") = "6"
    & skf21("6","7","3","3","7","7","6","1") = "6"
    & skf21("6","7","3","3","7","7","7","1") = "6"
    & skf21("6","7","3","4","1","1","1","1") = "6"
    & skf21("6","7","3","4","1","1","2","1") = "6"
    & skf21("6","7","3","4","1","1","3","1") = "6"
    & skf21("6","7","3","4","1","1","4","1") = "6"
    & skf21("6","7","3","4","1","1","5","1") = "6"
    & skf21("6","7","3","4","1","1","6","1") = "6"
    & skf21("6","7","3","4","1","1","7","1") = "6"
    & skf21("6","7","3","4","1","2","1","1") = "6"
    & skf21("6","7","3","4","1","2","2","1") = "6"
    & skf21("6","7","3","4","1","2","3","1") = "6"
    & skf21("6","7","3","4","1","2","4","1") = "6"
    & skf21("6","7","3","4","1","2","5","1") = "6"
    & skf21("6","7","3","4","1","2","6","1") = "6"
    & skf21("6","7","3","4","1","2","7","1") = "6"
    & skf21("6","7","3","4","1","3","1","1") = "6"
    & skf21("6","7","3","4","1","3","2","1") = "6"
    & skf21("6","7","3","4","1","3","3","1") = "6"
    & skf21("6","7","3","4","1","3","4","1") = "6"
    & skf21("6","7","3","4","1","3","5","1") = "6"
    & skf21("6","7","3","4","1","3","6","1") = "6"
    & skf21("6","7","3","4","1","3","7","1") = "6"
    & skf21("6","7","3","4","1","4","1","1") = "6"
    & skf21("6","7","3","4","1","4","2","1") = "6"
    & skf21("6","7","3","4","1","4","3","1") = "6"
    & skf21("6","7","3","4","1","4","4","1") = "6"
    & skf21("6","7","3","4","1","4","5","1") = "6"
    & skf21("6","7","3","4","1","4","6","1") = "6"
    & skf21("6","7","3","4","1","4","7","1") = "6"
    & skf21("6","7","3","4","1","5","1","1") = "6"
    & skf21("6","7","3","4","1","5","2","1") = "6"
    & skf21("6","7","3","4","1","5","3","1") = "6"
    & skf21("6","7","3","4","1","5","4","1") = "6"
    & skf21("6","7","3","4","1","5","5","1") = "6"
    & skf21("6","7","3","4","1","5","6","1") = "6"
    & skf21("6","7","3","4","1","5","7","1") = "6"
    & skf21("6","7","3","4","1","6","1","1") = "6"
    & skf21("6","7","3","4","1","6","2","1") = "6"
    & skf21("6","7","3","4","1","6","3","1") = "6"
    & skf21("6","7","3","4","1","6","4","1") = "6"
    & skf21("6","7","3","4","1","6","5","1") = "6"
    & skf21("6","7","3","4","1","6","6","1") = "6"
    & skf21("6","7","3","4","1","6","7","1") = "6"
    & skf21("6","7","3","4","1","7","1","1") = "6"
    & skf21("6","7","3","4","1","7","2","1") = "6"
    & skf21("6","7","3","4","1","7","3","1") = "6"
    & skf21("6","7","3","4","1","7","4","1") = "6"
    & skf21("6","7","3","4","1","7","5","1") = "6"
    & skf21("6","7","3","4","1","7","6","1") = "6"
    & skf21("6","7","3","4","1","7","7","1") = "6"
    & skf21("6","7","3","4","2","1","1","1") = "6"
    & skf21("6","7","3","4","2","1","2","1") = "6"
    & skf21("6","7","3","4","2","1","3","1") = "6"
    & skf21("6","7","3","4","2","1","4","1") = "6"
    & skf21("6","7","3","4","2","1","5","1") = "6"
    & skf21("6","7","3","4","2","1","6","1") = "6"
    & skf21("6","7","3","4","2","1","7","1") = "6"
    & skf21("6","7","3","4","2","2","1","1") = "6"
    & skf21("6","7","3","4","2","2","2","1") = "6"
    & skf21("6","7","3","4","2","2","3","1") = "6"
    & skf21("6","7","3","4","2","2","4","1") = "6"
    & skf21("6","7","3","4","2","2","5","1") = "6"
    & skf21("6","7","3","4","2","2","6","1") = "6"
    & skf21("6","7","3","4","2","2","7","1") = "6"
    & skf21("6","7","3","4","2","3","1","1") = "6"
    & skf21("6","7","3","4","2","3","2","1") = "6"
    & skf21("6","7","3","4","2","3","3","1") = "6"
    & skf21("6","7","3","4","2","3","4","1") = "6"
    & skf21("6","7","3","4","2","3","5","1") = "6"
    & skf21("6","7","3","4","2","3","6","1") = "6"
    & skf21("6","7","3","4","2","3","7","1") = "6"
    & skf21("6","7","3","4","2","4","1","1") = "6"
    & skf21("6","7","3","4","2","4","2","1") = "6"
    & skf21("6","7","3","4","2","4","3","1") = "6"
    & skf21("6","7","3","4","2","4","4","1") = "6"
    & skf21("6","7","3","4","2","4","5","1") = "6"
    & skf21("6","7","3","4","2","4","6","1") = "6"
    & skf21("6","7","3","4","2","4","7","1") = "6"
    & skf21("6","7","3","4","2","5","1","1") = "6"
    & skf21("6","7","3","4","2","5","2","1") = "6"
    & skf21("6","7","3","4","2","5","3","1") = "6"
    & skf21("6","7","3","4","2","5","4","1") = "6"
    & skf21("6","7","3","4","2","5","5","1") = "6"
    & skf21("6","7","3","4","2","5","6","1") = "6"
    & skf21("6","7","3","4","2","5","7","1") = "6"
    & skf21("6","7","3","4","2","6","1","1") = "6"
    & skf21("6","7","3","4","2","6","2","1") = "6"
    & skf21("6","7","3","4","2","6","3","1") = "6"
    & skf21("6","7","3","4","2","6","4","1") = "6"
    & skf21("6","7","3","4","2","6","5","1") = "6"
    & skf21("6","7","3","4","2","6","6","1") = "6"
    & skf21("6","7","3","4","2","6","7","1") = "6"
    & skf21("6","7","3","4","2","7","1","1") = "6"
    & skf21("6","7","3","4","2","7","2","1") = "6"
    & skf21("6","7","3","4","2","7","3","1") = "6"
    & skf21("6","7","3","4","2","7","4","1") = "6"
    & skf21("6","7","3","4","2","7","5","1") = "6"
    & skf21("6","7","3","4","2","7","6","1") = "6"
    & skf21("6","7","3","4","2","7","7","1") = "6"
    & skf21("6","7","3","4","3","1","1","1") = "6"
    & skf21("6","7","3","4","3","1","2","1") = "6"
    & skf21("6","7","3","4","3","1","3","1") = "6"
    & skf21("6","7","3","4","3","1","4","1") = "6"
    & skf21("6","7","3","4","3","1","5","1") = "6"
    & skf21("6","7","3","4","3","1","6","1") = "6"
    & skf21("6","7","3","4","3","1","7","1") = "6"
    & skf21("6","7","3","4","3","2","1","1") = "6"
    & skf21("6","7","3","4","3","2","2","1") = "6"
    & skf21("6","7","3","4","3","2","3","1") = "6"
    & skf21("6","7","3","4","3","2","4","1") = "6"
    & skf21("6","7","3","4","3","2","5","1") = "6"
    & skf21("6","7","3","4","3","2","6","1") = "6"
    & skf21("6","7","3","4","3","2","7","1") = "6"
    & skf21("6","7","3","4","3","3","1","1") = "6"
    & skf21("6","7","3","4","3","3","2","1") = "6"
    & skf21("6","7","3","4","3","3","3","1") = "6"
    & skf21("6","7","3","4","3","3","4","1") = "6"
    & skf21("6","7","3","4","3","3","5","1") = "6"
    & skf21("6","7","3","4","3","3","6","1") = "6"
    & skf21("6","7","3","4","3","3","7","1") = "6"
    & skf21("6","7","3","4","3","4","1","1") = "6"
    & skf21("6","7","3","4","3","4","2","1") = "6"
    & skf21("6","7","3","4","3","4","3","1") = "6"
    & skf21("6","7","3","4","3","4","4","1") = "6"
    & skf21("6","7","3","4","3","4","5","1") = "6"
    & skf21("6","7","3","4","3","4","6","1") = "6"
    & skf21("6","7","3","4","3","4","7","1") = "6"
    & skf21("6","7","3","4","3","5","1","1") = "6"
    & skf21("6","7","3","4","3","5","2","1") = "6"
    & skf21("6","7","3","4","3","5","3","1") = "6"
    & skf21("6","7","3","4","3","5","4","1") = "6"
    & skf21("6","7","3","4","3","5","5","1") = "6"
    & skf21("6","7","3","4","3","5","6","1") = "6"
    & skf21("6","7","3","4","3","5","7","1") = "6"
    & skf21("6","7","3","4","3","6","1","1") = "6"
    & skf21("6","7","3","4","3","6","2","1") = "6"
    & skf21("6","7","3","4","3","6","3","1") = "6"
    & skf21("6","7","3","4","3","6","4","1") = "6"
    & skf21("6","7","3","4","3","6","5","1") = "6"
    & skf21("6","7","3","4","3","6","6","1") = "6"
    & skf21("6","7","3","4","3","6","7","1") = "6"
    & skf21("6","7","3","4","3","7","1","1") = "6"
    & skf21("6","7","3","4","3","7","2","1") = "6"
    & skf21("6","7","3","4","3","7","3","1") = "6"
    & skf21("6","7","3","4","3","7","4","1") = "6"
    & skf21("6","7","3","4","3","7","5","1") = "6"
    & skf21("6","7","3","4","3","7","6","1") = "6"
    & skf21("6","7","3","4","3","7","7","1") = "6"
    & skf21("6","7","3","4","4","1","1","1") = "6"
    & skf21("6","7","3","4","4","1","2","1") = "6"
    & skf21("6","7","3","4","4","1","3","1") = "6"
    & skf21("6","7","3","4","4","1","4","1") = "6"
    & skf21("6","7","3","4","4","1","5","1") = "6"
    & skf21("6","7","3","4","4","1","6","1") = "6"
    & skf21("6","7","3","4","4","1","7","1") = "6"
    & skf21("6","7","3","4","4","2","1","1") = "6"
    & skf21("6","7","3","4","4","2","2","1") = "6"
    & skf21("6","7","3","4","4","2","3","1") = "6"
    & skf21("6","7","3","4","4","2","4","1") = "6"
    & skf21("6","7","3","4","4","2","5","1") = "6"
    & skf21("6","7","3","4","4","2","6","1") = "6"
    & skf21("6","7","3","4","4","2","7","1") = "6"
    & skf21("6","7","3","4","4","3","1","1") = "6"
    & skf21("6","7","3","4","4","3","2","1") = "6"
    & skf21("6","7","3","4","4","3","3","1") = "6"
    & skf21("6","7","3","4","4","3","4","1") = "6"
    & skf21("6","7","3","4","4","3","5","1") = "6"
    & skf21("6","7","3","4","4","3","6","1") = "6"
    & skf21("6","7","3","4","4","3","7","1") = "6"
    & skf21("6","7","3","4","4","4","1","1") = "6"
    & skf21("6","7","3","4","4","4","2","1") = "6"
    & skf21("6","7","3","4","4","4","3","1") = "6"
    & skf21("6","7","3","4","4","4","4","1") = "6"
    & skf21("6","7","3","4","4","4","5","1") = "6"
    & skf21("6","7","3","4","4","4","6","1") = "6"
    & skf21("6","7","3","4","4","4","7","1") = "6"
    & skf21("6","7","3","4","4","5","1","1") = "6"
    & skf21("6","7","3","4","4","5","2","1") = "6"
    & skf21("6","7","3","4","4","5","3","1") = "6"
    & skf21("6","7","3","4","4","5","4","1") = "6"
    & skf21("6","7","3","4","4","5","5","1") = "6"
    & skf21("6","7","3","4","4","5","6","1") = "6"
    & skf21("6","7","3","4","4","5","7","1") = "6"
    & skf21("6","7","3","4","4","6","1","1") = "6"
    & skf21("6","7","3","4","4","6","2","1") = "6"
    & skf21("6","7","3","4","4","6","3","1") = "6"
    & skf21("6","7","3","4","4","6","4","1") = "6"
    & skf21("6","7","3","4","4","6","5","1") = "6"
    & skf21("6","7","3","4","4","6","6","1") = "6"
    & skf21("6","7","3","4","4","6","7","1") = "6"
    & skf21("6","7","3","4","4","7","1","1") = "6"
    & skf21("6","7","3","4","4","7","2","1") = "6"
    & skf21("6","7","3","4","4","7","3","1") = "6"
    & skf21("6","7","3","4","4","7","4","1") = "6"
    & skf21("6","7","3","4","4","7","5","1") = "6"
    & skf21("6","7","3","4","4","7","6","1") = "6"
    & skf21("6","7","3","4","4","7","7","1") = "6"
    & skf21("6","7","3","4","5","1","1","1") = "6"
    & skf21("6","7","3","4","5","1","2","1") = "6"
    & skf21("6","7","3","4","5","1","3","1") = "6"
    & skf21("6","7","3","4","5","1","4","1") = "6"
    & skf21("6","7","3","4","5","1","5","1") = "6"
    & skf21("6","7","3","4","5","1","6","1") = "6"
    & skf21("6","7","3","4","5","1","7","1") = "6"
    & skf21("6","7","3","4","5","2","1","1") = "6"
    & skf21("6","7","3","4","5","2","2","1") = "6"
    & skf21("6","7","3","4","5","2","3","1") = "6"
    & skf21("6","7","3","4","5","2","4","1") = "6"
    & skf21("6","7","3","4","5","2","5","1") = "6"
    & skf21("6","7","3","4","5","2","6","1") = "6"
    & skf21("6","7","3","4","5","2","7","1") = "6"
    & skf21("6","7","3","4","5","3","1","1") = "6"
    & skf21("6","7","3","4","5","3","2","1") = "6"
    & skf21("6","7","3","4","5","3","3","1") = "6"
    & skf21("6","7","3","4","5","3","4","1") = "6"
    & skf21("6","7","3","4","5","3","5","1") = "6"
    & skf21("6","7","3","4","5","3","6","1") = "6"
    & skf21("6","7","3","4","5","3","7","1") = "6"
    & skf21("6","7","3","4","5","4","1","1") = "6"
    & skf21("6","7","3","4","5","4","2","1") = "6"
    & skf21("6","7","3","4","5","4","3","1") = "6"
    & skf21("6","7","3","4","5","4","4","1") = "6"
    & skf21("6","7","3","4","5","4","5","1") = "6"
    & skf21("6","7","3","4","5","4","6","1") = "6"
    & skf21("6","7","3","4","5","4","7","1") = "6"
    & skf21("6","7","3","4","5","5","1","1") = "6"
    & skf21("6","7","3","4","5","5","2","1") = "6"
    & skf21("6","7","3","4","5","5","3","1") = "6"
    & skf21("6","7","3","4","5","5","4","1") = "6"
    & skf21("6","7","3","4","5","5","5","1") = "6"
    & skf21("6","7","3","4","5","5","6","1") = "6"
    & skf21("6","7","3","4","5","5","7","1") = "6"
    & skf21("6","7","3","4","5","6","1","1") = "6"
    & skf21("6","7","3","4","5","6","2","1") = "6"
    & skf21("6","7","3","4","5","6","3","1") = "6"
    & skf21("6","7","3","4","5","6","4","1") = "6"
    & skf21("6","7","3","4","5","6","5","1") = "6"
    & skf21("6","7","3","4","5","6","6","1") = "6"
    & skf21("6","7","3","4","5","6","7","1") = "6"
    & skf21("6","7","3","4","5","7","1","1") = "6"
    & skf21("6","7","3","4","5","7","2","1") = "6"
    & skf21("6","7","3","4","5","7","3","1") = "6"
    & skf21("6","7","3","4","5","7","4","1") = "6"
    & skf21("6","7","3","4","5","7","5","1") = "6"
    & skf21("6","7","3","4","5","7","6","1") = "6"
    & skf21("6","7","3","4","5","7","7","1") = "6"
    & skf21("6","7","3","4","6","1","1","1") = "6"
    & skf21("6","7","3","4","6","1","2","1") = "6"
    & skf21("6","7","3","4","6","1","3","1") = "6"
    & skf21("6","7","3","4","6","1","4","1") = "6"
    & skf21("6","7","3","4","6","1","5","1") = "6"
    & skf21("6","7","3","4","6","1","6","1") = "6"
    & skf21("6","7","3","4","6","1","7","1") = "6"
    & skf21("6","7","3","4","6","2","1","1") = "6"
    & skf21("6","7","3","4","6","2","2","1") = "6"
    & skf21("6","7","3","4","6","2","3","1") = "6"
    & skf21("6","7","3","4","6","2","4","1") = "6"
    & skf21("6","7","3","4","6","2","5","1") = "6"
    & skf21("6","7","3","4","6","2","6","1") = "6"
    & skf21("6","7","3","4","6","2","7","1") = "6"
    & skf21("6","7","3","4","6","3","1","1") = "6"
    & skf21("6","7","3","4","6","3","2","1") = "6"
    & skf21("6","7","3","4","6","3","3","1") = "6"
    & skf21("6","7","3","4","6","3","4","1") = "6"
    & skf21("6","7","3","4","6","3","5","1") = "6"
    & skf21("6","7","3","4","6","3","6","1") = "6"
    & skf21("6","7","3","4","6","3","7","1") = "6"
    & skf21("6","7","3","4","6","4","1","1") = "6"
    & skf21("6","7","3","4","6","4","2","1") = "6"
    & skf21("6","7","3","4","6","4","3","1") = "6"
    & skf21("6","7","3","4","6","4","4","1") = "6"
    & skf21("6","7","3","4","6","4","5","1") = "6"
    & skf21("6","7","3","4","6","4","6","1") = "6"
    & skf21("6","7","3","4","6","4","7","1") = "6"
    & skf21("6","7","3","4","6","5","1","1") = "6"
    & skf21("6","7","3","4","6","5","2","1") = "6"
    & skf21("6","7","3","4","6","5","3","1") = "6"
    & skf21("6","7","3","4","6","5","4","1") = "6"
    & skf21("6","7","3","4","6","5","5","1") = "6"
    & skf21("6","7","3","4","6","5","6","1") = "6"
    & skf21("6","7","3","4","6","5","7","1") = "6"
    & skf21("6","7","3","4","6","6","1","1") = "6"
    & skf21("6","7","3","4","6","6","2","1") = "6"
    & skf21("6","7","3","4","6","6","3","1") = "6"
    & skf21("6","7","3","4","6","6","4","1") = "6"
    & skf21("6","7","3","4","6","6","5","1") = "6"
    & skf21("6","7","3","4","6","6","6","1") = "6"
    & skf21("6","7","3","4","6","6","7","1") = "6"
    & skf21("6","7","3","4","6","7","1","1") = "6"
    & skf21("6","7","3","4","6","7","2","1") = "6"
    & skf21("6","7","3","4","6","7","3","1") = "6"
    & skf21("6","7","3","4","6","7","4","1") = "6"
    & skf21("6","7","3","4","6","7","5","1") = "6"
    & skf21("6","7","3","4","6","7","6","1") = "6"
    & skf21("6","7","3","4","6","7","7","1") = "6"
    & skf21("6","7","3","4","7","1","1","1") = "6"
    & skf21("6","7","3","4","7","1","2","1") = "6"
    & skf21("6","7","3","4","7","1","3","1") = "6"
    & skf21("6","7","3","4","7","1","4","1") = "6"
    & skf21("6","7","3","4","7","1","5","1") = "6"
    & skf21("6","7","3","4","7","1","6","1") = "6"
    & skf21("6","7","3","4","7","1","7","1") = "6"
    & skf21("6","7","3","4","7","2","1","1") = "6"
    & skf21("6","7","3","4","7","2","2","1") = "6"
    & skf21("6","7","3","4","7","2","3","1") = "6"
    & skf21("6","7","3","4","7","2","4","1") = "6"
    & skf21("6","7","3","4","7","2","5","1") = "6"
    & skf21("6","7","3","4","7","2","6","1") = "6"
    & skf21("6","7","3","4","7","2","7","1") = "6"
    & skf21("6","7","3","4","7","3","1","1") = "6"
    & skf21("6","7","3","4","7","3","2","1") = "6"
    & skf21("6","7","3","4","7","3","3","1") = "6"
    & skf21("6","7","3","4","7","3","4","1") = "6"
    & skf21("6","7","3","4","7","3","5","1") = "6"
    & skf21("6","7","3","4","7","3","6","1") = "6"
    & skf21("6","7","3","4","7","3","7","1") = "6"
    & skf21("6","7","3","4","7","4","1","1") = "6"
    & skf21("6","7","3","4","7","4","2","1") = "6"
    & skf21("6","7","3","4","7","4","3","1") = "6"
    & skf21("6","7","3","4","7","4","4","1") = "6"
    & skf21("6","7","3","4","7","4","5","1") = "6"
    & skf21("6","7","3","4","7","4","6","1") = "6"
    & skf21("6","7","3","4","7","4","7","1") = "6"
    & skf21("6","7","3","4","7","5","1","1") = "6"
    & skf21("6","7","3","4","7","5","2","1") = "6"
    & skf21("6","7","3","4","7","5","3","1") = "6"
    & skf21("6","7","3","4","7","5","4","1") = "6"
    & skf21("6","7","3","4","7","5","5","1") = "6"
    & skf21("6","7","3","4","7","5","6","1") = "6"
    & skf21("6","7","3","4","7","5","7","1") = "6"
    & skf21("6","7","3","4","7","6","1","1") = "6"
    & skf21("6","7","3","4","7","6","2","1") = "6"
    & skf21("6","7","3","4","7","6","3","1") = "6"
    & skf21("6","7","3","4","7","6","4","1") = "6"
    & skf21("6","7","3","4","7","6","5","1") = "6"
    & skf21("6","7","3","4","7","6","6","1") = "6"
    & skf21("6","7","3","4","7","6","7","1") = "6"
    & skf21("6","7","3","4","7","7","1","1") = "6"
    & skf21("6","7","3","4","7","7","2","1") = "6"
    & skf21("6","7","3","4","7","7","3","1") = "6"
    & skf21("6","7","3","4","7","7","4","1") = "6"
    & skf21("6","7","3","4","7","7","5","1") = "6"
    & skf21("6","7","3","4","7","7","6","1") = "6"
    & skf21("6","7","3","4","7","7","7","1") = "6"
    & skf21("6","7","3","5","1","1","1","1") = "6"
    & skf21("6","7","3","5","1","1","2","1") = "6"
    & skf21("6","7","3","5","1","1","3","1") = "6"
    & skf21("6","7","3","5","1","1","4","1") = "6"
    & skf21("6","7","3","5","1","1","5","1") = "6"
    & skf21("6","7","3","5","1","1","6","1") = "6"
    & skf21("6","7","3","5","1","1","7","1") = "6"
    & skf21("6","7","3","5","1","2","1","1") = "6"
    & skf21("6","7","3","5","1","2","2","1") = "6"
    & skf21("6","7","3","5","1","2","3","1") = "6"
    & skf21("6","7","3","5","1","2","4","1") = "6"
    & skf21("6","7","3","5","1","2","5","1") = "6"
    & skf21("6","7","3","5","1","2","6","1") = "6"
    & skf21("6","7","3","5","1","2","7","1") = "6"
    & skf21("6","7","3","5","1","3","1","1") = "6"
    & skf21("6","7","3","5","1","3","2","1") = "6"
    & skf21("6","7","3","5","1","3","3","1") = "6"
    & skf21("6","7","3","5","1","3","4","1") = "6"
    & skf21("6","7","3","5","1","3","5","1") = "6"
    & skf21("6","7","3","5","1","3","6","1") = "6"
    & skf21("6","7","3","5","1","3","7","1") = "6"
    & skf21("6","7","3","5","1","4","1","1") = "6"
    & skf21("6","7","3","5","1","4","2","1") = "6"
    & skf21("6","7","3","5","1","4","3","1") = "6"
    & skf21("6","7","3","5","1","4","4","1") = "6"
    & skf21("6","7","3","5","1","4","5","1") = "6"
    & skf21("6","7","3","5","1","4","6","1") = "6"
    & skf21("6","7","3","5","1","4","7","1") = "6"
    & skf21("6","7","3","5","1","5","1","1") = "6"
    & skf21("6","7","3","5","1","5","2","1") = "6"
    & skf21("6","7","3","5","1","5","3","1") = "6"
    & skf21("6","7","3","5","1","5","4","1") = "6"
    & skf21("6","7","3","5","1","5","5","1") = "6"
    & skf21("6","7","3","5","1","5","6","1") = "6"
    & skf21("6","7","3","5","1","5","7","1") = "6"
    & skf21("6","7","3","5","1","6","1","1") = "6"
    & skf21("6","7","3","5","1","6","2","1") = "6"
    & skf21("6","7","3","5","1","6","3","1") = "6"
    & skf21("6","7","3","5","1","6","4","1") = "6"
    & skf21("6","7","3","5","1","6","5","1") = "6"
    & skf21("6","7","3","5","1","6","6","1") = "6"
    & skf21("6","7","3","5","1","6","7","1") = "6"
    & skf21("6","7","3","5","1","7","1","1") = "6"
    & skf21("6","7","3","5","1","7","2","1") = "6"
    & skf21("6","7","3","5","1","7","3","1") = "6"
    & skf21("6","7","3","5","1","7","4","1") = "6"
    & skf21("6","7","3","5","1","7","5","1") = "6"
    & skf21("6","7","3","5","1","7","6","1") = "6"
    & skf21("6","7","3","5","1","7","7","1") = "6"
    & skf21("6","7","3","5","2","1","1","1") = "6"
    & skf21("6","7","3","5","2","1","2","1") = "6"
    & skf21("6","7","3","5","2","1","3","1") = "6"
    & skf21("6","7","3","5","2","1","4","1") = "6"
    & skf21("6","7","3","5","2","1","5","1") = "6"
    & skf21("6","7","3","5","2","1","6","1") = "6"
    & skf21("6","7","3","5","2","1","7","1") = "6"
    & skf21("6","7","3","5","2","2","1","1") = "6"
    & skf21("6","7","3","5","2","2","2","1") = "6"
    & skf21("6","7","3","5","2","2","3","1") = "6"
    & skf21("6","7","3","5","2","2","4","1") = "6"
    & skf21("6","7","3","5","2","2","5","1") = "6"
    & skf21("6","7","3","5","2","2","6","1") = "6"
    & skf21("6","7","3","5","2","2","7","1") = "6"
    & skf21("6","7","3","5","2","3","1","1") = "6"
    & skf21("6","7","3","5","2","3","2","1") = "6"
    & skf21("6","7","3","5","2","3","3","1") = "6"
    & skf21("6","7","3","5","2","3","4","1") = "6"
    & skf21("6","7","3","5","2","3","5","1") = "6"
    & skf21("6","7","3","5","2","3","6","1") = "6"
    & skf21("6","7","3","5","2","3","7","1") = "6"
    & skf21("6","7","3","5","2","4","1","1") = "6"
    & skf21("6","7","3","5","2","4","2","1") = "6"
    & skf21("6","7","3","5","2","4","3","1") = "6"
    & skf21("6","7","3","5","2","4","4","1") = "6"
    & skf21("6","7","3","5","2","4","5","1") = "6"
    & skf21("6","7","3","5","2","4","6","1") = "6"
    & skf21("6","7","3","5","2","4","7","1") = "6"
    & skf21("6","7","3","5","2","5","1","1") = "6"
    & skf21("6","7","3","5","2","5","2","1") = "6"
    & skf21("6","7","3","5","2","5","3","1") = "6"
    & skf21("6","7","3","5","2","5","4","1") = "6"
    & skf21("6","7","3","5","2","5","5","1") = "6"
    & skf21("6","7","3","5","2","5","6","1") = "6"
    & skf21("6","7","3","5","2","5","7","1") = "6"
    & skf21("6","7","3","5","2","6","1","1") = "6"
    & skf21("6","7","3","5","2","6","2","1") = "6"
    & skf21("6","7","3","5","2","6","3","1") = "6"
    & skf21("6","7","3","5","2","6","4","1") = "6"
    & skf21("6","7","3","5","2","6","5","1") = "6"
    & skf21("6","7","3","5","2","6","6","1") = "6"
    & skf21("6","7","3","5","2","6","7","1") = "6"
    & skf21("6","7","3","5","2","7","1","1") = "6"
    & skf21("6","7","3","5","2","7","2","1") = "6"
    & skf21("6","7","3","5","2","7","3","1") = "6"
    & skf21("6","7","3","5","2","7","4","1") = "6"
    & skf21("6","7","3","5","2","7","5","1") = "6"
    & skf21("6","7","3","5","2","7","6","1") = "6"
    & skf21("6","7","3","5","2","7","7","1") = "6"
    & skf21("6","7","3","5","3","1","1","1") = "6"
    & skf21("6","7","3","5","3","1","2","1") = "6"
    & skf21("6","7","3","5","3","1","3","1") = "6"
    & skf21("6","7","3","5","3","1","4","1") = "6"
    & skf21("6","7","3","5","3","1","5","1") = "6"
    & skf21("6","7","3","5","3","1","6","1") = "6"
    & skf21("6","7","3","5","3","1","7","1") = "6"
    & skf21("6","7","3","5","3","2","1","1") = "6"
    & skf21("6","7","3","5","3","2","2","1") = "6"
    & skf21("6","7","3","5","3","2","3","1") = "6"
    & skf21("6","7","3","5","3","2","4","1") = "6"
    & skf21("6","7","3","5","3","2","5","1") = "6"
    & skf21("6","7","3","5","3","2","6","1") = "6"
    & skf21("6","7","3","5","3","2","7","1") = "6"
    & skf21("6","7","3","5","3","3","1","1") = "6"
    & skf21("6","7","3","5","3","3","2","1") = "6"
    & skf21("6","7","3","5","3","3","3","1") = "6"
    & skf21("6","7","3","5","3","3","4","1") = "6"
    & skf21("6","7","3","5","3","3","5","1") = "6"
    & skf21("6","7","3","5","3","3","6","1") = "6"
    & skf21("6","7","3","5","3","3","7","1") = "6"
    & skf21("6","7","3","5","3","4","1","1") = "6"
    & skf21("6","7","3","5","3","4","2","1") = "6"
    & skf21("6","7","3","5","3","4","3","1") = "6"
    & skf21("6","7","3","5","3","4","4","1") = "6"
    & skf21("6","7","3","5","3","4","5","1") = "6"
    & skf21("6","7","3","5","3","4","6","1") = "6"
    & skf21("6","7","3","5","3","4","7","1") = "6"
    & skf21("6","7","3","5","3","5","1","1") = "6"
    & skf21("6","7","3","5","3","5","2","1") = "6"
    & skf21("6","7","3","5","3","5","3","1") = "6"
    & skf21("6","7","3","5","3","5","4","1") = "6"
    & skf21("6","7","3","5","3","5","5","1") = "6"
    & skf21("6","7","3","5","3","5","6","1") = "6"
    & skf21("6","7","3","5","3","5","7","1") = "6"
    & skf21("6","7","3","5","3","6","1","1") = "6"
    & skf21("6","7","3","5","3","6","2","1") = "6"
    & skf21("6","7","3","5","3","6","3","1") = "6"
    & skf21("6","7","3","5","3","6","4","1") = "6"
    & skf21("6","7","3","5","3","6","5","1") = "6"
    & skf21("6","7","3","5","3","6","6","1") = "6"
    & skf21("6","7","3","5","3","6","7","1") = "6"
    & skf21("6","7","3","5","3","7","1","1") = "6"
    & skf21("6","7","3","5","3","7","2","1") = "6"
    & skf21("6","7","3","5","3","7","3","1") = "6"
    & skf21("6","7","3","5","3","7","4","1") = "6"
    & skf21("6","7","3","5","3","7","5","1") = "6"
    & skf21("6","7","3","5","3","7","6","1") = "6"
    & skf21("6","7","3","5","3","7","7","1") = "6"
    & skf21("6","7","3","5","4","1","1","1") = "6"
    & skf21("6","7","3","5","4","1","2","1") = "6"
    & skf21("6","7","3","5","4","1","3","1") = "6"
    & skf21("6","7","3","5","4","1","4","1") = "6"
    & skf21("6","7","3","5","4","1","5","1") = "6"
    & skf21("6","7","3","5","4","1","6","1") = "6"
    & skf21("6","7","3","5","4","1","7","1") = "6"
    & skf21("6","7","3","5","4","2","1","1") = "6"
    & skf21("6","7","3","5","4","2","2","1") = "6"
    & skf21("6","7","3","5","4","2","3","1") = "6"
    & skf21("6","7","3","5","4","2","4","1") = "6"
    & skf21("6","7","3","5","4","2","5","1") = "6"
    & skf21("6","7","3","5","4","2","6","1") = "6"
    & skf21("6","7","3","5","4","2","7","1") = "6"
    & skf21("6","7","3","5","4","3","1","1") = "6"
    & skf21("6","7","3","5","4","3","2","1") = "6"
    & skf21("6","7","3","5","4","3","3","1") = "6"
    & skf21("6","7","3","5","4","3","4","1") = "6"
    & skf21("6","7","3","5","4","3","5","1") = "6"
    & skf21("6","7","3","5","4","3","6","1") = "6"
    & skf21("6","7","3","5","4","3","7","1") = "6"
    & skf21("6","7","3","5","4","4","1","1") = "6"
    & skf21("6","7","3","5","4","4","2","1") = "6"
    & skf21("6","7","3","5","4","4","3","1") = "6"
    & skf21("6","7","3","5","4","4","4","1") = "6"
    & skf21("6","7","3","5","4","4","5","1") = "6"
    & skf21("6","7","3","5","4","4","6","1") = "6"
    & skf21("6","7","3","5","4","4","7","1") = "6"
    & skf21("6","7","3","5","4","5","1","1") = "6"
    & skf21("6","7","3","5","4","5","2","1") = "6"
    & skf21("6","7","3","5","4","5","3","1") = "6"
    & skf21("6","7","3","5","4","5","4","1") = "6"
    & skf21("6","7","3","5","4","5","5","1") = "6"
    & skf21("6","7","3","5","4","5","6","1") = "6"
    & skf21("6","7","3","5","4","5","7","1") = "6"
    & skf21("6","7","3","5","4","6","1","1") = "6"
    & skf21("6","7","3","5","4","6","2","1") = "6"
    & skf21("6","7","3","5","4","6","3","1") = "6"
    & skf21("6","7","3","5","4","6","4","1") = "6"
    & skf21("6","7","3","5","4","6","5","1") = "6"
    & skf21("6","7","3","5","4","6","6","1") = "6"
    & skf21("6","7","3","5","4","6","7","1") = "6"
    & skf21("6","7","3","5","4","7","1","1") = "6"
    & skf21("6","7","3","5","4","7","2","1") = "6"
    & skf21("6","7","3","5","4","7","3","1") = "6"
    & skf21("6","7","3","5","4","7","4","1") = "6"
    & skf21("6","7","3","5","4","7","5","1") = "6"
    & skf21("6","7","3","5","4","7","6","1") = "6"
    & skf21("6","7","3","5","4","7","7","1") = "6"
    & skf21("6","7","3","5","5","1","1","1") = "6"
    & skf21("6","7","3","5","5","1","2","1") = "6"
    & skf21("6","7","3","5","5","1","3","1") = "6"
    & skf21("6","7","3","5","5","1","4","1") = "6"
    & skf21("6","7","3","5","5","1","5","1") = "6"
    & skf21("6","7","3","5","5","1","6","1") = "6"
    & skf21("6","7","3","5","5","1","7","1") = "6"
    & skf21("6","7","3","5","5","2","1","1") = "6"
    & skf21("6","7","3","5","5","2","2","1") = "6"
    & skf21("6","7","3","5","5","2","3","1") = "6"
    & skf21("6","7","3","5","5","2","4","1") = "6"
    & skf21("6","7","3","5","5","2","5","1") = "6"
    & skf21("6","7","3","5","5","2","6","1") = "6"
    & skf21("6","7","3","5","5","2","7","1") = "6"
    & skf21("6","7","3","5","5","3","1","1") = "6"
    & skf21("6","7","3","5","5","3","2","1") = "6"
    & skf21("6","7","3","5","5","3","3","1") = "6"
    & skf21("6","7","3","5","5","3","4","1") = "6"
    & skf21("6","7","3","5","5","3","5","1") = "6"
    & skf21("6","7","3","5","5","3","6","1") = "6"
    & skf21("6","7","3","5","5","3","7","1") = "6"
    & skf21("6","7","3","5","5","4","1","1") = "6"
    & skf21("6","7","3","5","5","4","2","1") = "6"
    & skf21("6","7","3","5","5","4","3","1") = "6"
    & skf21("6","7","3","5","5","4","4","1") = "6"
    & skf21("6","7","3","5","5","4","5","1") = "6"
    & skf21("6","7","3","5","5","4","6","1") = "6"
    & skf21("6","7","3","5","5","4","7","1") = "6"
    & skf21("6","7","3","5","5","5","1","1") = "6"
    & skf21("6","7","3","5","5","5","2","1") = "6"
    & skf21("6","7","3","5","5","5","3","1") = "6"
    & skf21("6","7","3","5","5","5","4","1") = "6"
    & skf21("6","7","3","5","5","5","5","1") = "6"
    & skf21("6","7","3","5","5","5","6","1") = "6"
    & skf21("6","7","3","5","5","5","7","1") = "6"
    & skf21("6","7","3","5","5","6","1","1") = "6"
    & skf21("6","7","3","5","5","6","2","1") = "6"
    & skf21("6","7","3","5","5","6","3","1") = "6"
    & skf21("6","7","3","5","5","6","4","1") = "6"
    & skf21("6","7","3","5","5","6","5","1") = "6"
    & skf21("6","7","3","5","5","6","6","1") = "6"
    & skf21("6","7","3","5","5","6","7","1") = "6"
    & skf21("6","7","3","5","5","7","1","1") = "6"
    & skf21("6","7","3","5","5","7","2","1") = "6"
    & skf21("6","7","3","5","5","7","3","1") = "6"
    & skf21("6","7","3","5","5","7","4","1") = "6"
    & skf21("6","7","3","5","5","7","5","1") = "6"
    & skf21("6","7","3","5","5","7","6","1") = "6"
    & skf21("6","7","3","5","5","7","7","1") = "6"
    & skf21("6","7","3","5","6","1","1","1") = "6"
    & skf21("6","7","3","5","6","1","2","1") = "6"
    & skf21("6","7","3","5","6","1","3","1") = "6"
    & skf21("6","7","3","5","6","1","4","1") = "6"
    & skf21("6","7","3","5","6","1","5","1") = "6"
    & skf21("6","7","3","5","6","1","6","1") = "6"
    & skf21("6","7","3","5","6","1","7","1") = "6"
    & skf21("6","7","3","5","6","2","1","1") = "6"
    & skf21("6","7","3","5","6","2","2","1") = "6"
    & skf21("6","7","3","5","6","2","3","1") = "6"
    & skf21("6","7","3","5","6","2","4","1") = "6"
    & skf21("6","7","3","5","6","2","5","1") = "6"
    & skf21("6","7","3","5","6","2","6","1") = "6"
    & skf21("6","7","3","5","6","2","7","1") = "6"
    & skf21("6","7","3","5","6","3","1","1") = "6"
    & skf21("6","7","3","5","6","3","2","1") = "6"
    & skf21("6","7","3","5","6","3","3","1") = "6"
    & skf21("6","7","3","5","6","3","4","1") = "6"
    & skf21("6","7","3","5","6","3","5","1") = "6"
    & skf21("6","7","3","5","6","3","6","1") = "6"
    & skf21("6","7","3","5","6","3","7","1") = "6"
    & skf21("6","7","3","5","6","4","1","1") = "6"
    & skf21("6","7","3","5","6","4","2","1") = "6"
    & skf21("6","7","3","5","6","4","3","1") = "6"
    & skf21("6","7","3","5","6","4","4","1") = "6"
    & skf21("6","7","3","5","6","4","5","1") = "6"
    & skf21("6","7","3","5","6","4","6","1") = "6"
    & skf21("6","7","3","5","6","4","7","1") = "6"
    & skf21("6","7","3","5","6","5","1","1") = "6"
    & skf21("6","7","3","5","6","5","2","1") = "6"
    & skf21("6","7","3","5","6","5","3","1") = "6"
    & skf21("6","7","3","5","6","5","4","1") = "6"
    & skf21("6","7","3","5","6","5","5","1") = "6"
    & skf21("6","7","3","5","6","5","6","1") = "6"
    & skf21("6","7","3","5","6","5","7","1") = "6"
    & skf21("6","7","3","5","6","6","1","1") = "6"
    & skf21("6","7","3","5","6","6","2","1") = "6"
    & skf21("6","7","3","5","6","6","3","1") = "6"
    & skf21("6","7","3","5","6","6","4","1") = "6"
    & skf21("6","7","3","5","6","6","5","1") = "6"
    & skf21("6","7","3","5","6","6","6","1") = "6"
    & skf21("6","7","3","5","6","6","7","1") = "6"
    & skf21("6","7","3","5","6","7","1","1") = "6"
    & skf21("6","7","3","5","6","7","2","1") = "6"
    & skf21("6","7","3","5","6","7","3","1") = "6"
    & skf21("6","7","3","5","6","7","4","1") = "6"
    & skf21("6","7","3","5","6","7","5","1") = "6"
    & skf21("6","7","3","5","6","7","6","1") = "6"
    & skf21("6","7","3","5","6","7","7","1") = "6"
    & skf21("6","7","3","5","7","1","1","1") = "6"
    & skf21("6","7","3","5","7","1","2","1") = "6"
    & skf21("6","7","3","5","7","1","3","1") = "6"
    & skf21("6","7","3","5","7","1","4","1") = "6"
    & skf21("6","7","3","5","7","1","5","1") = "6"
    & skf21("6","7","3","5","7","1","6","1") = "6"
    & skf21("6","7","3","5","7","1","7","1") = "6"
    & skf21("6","7","3","5","7","2","1","1") = "6"
    & skf21("6","7","3","5","7","2","2","1") = "6"
    & skf21("6","7","3","5","7","2","3","1") = "6"
    & skf21("6","7","3","5","7","2","4","1") = "6"
    & skf21("6","7","3","5","7","2","5","1") = "6"
    & skf21("6","7","3","5","7","2","6","1") = "6"
    & skf21("6","7","3","5","7","2","7","1") = "6"
    & skf21("6","7","3","5","7","3","1","1") = "6"
    & skf21("6","7","3","5","7","3","2","1") = "6"
    & skf21("6","7","3","5","7","3","3","1") = "6"
    & skf21("6","7","3","5","7","3","4","1") = "6"
    & skf21("6","7","3","5","7","3","5","1") = "6"
    & skf21("6","7","3","5","7","3","6","1") = "6"
    & skf21("6","7","3","5","7","3","7","1") = "6"
    & skf21("6","7","3","5","7","4","1","1") = "6"
    & skf21("6","7","3","5","7","4","2","1") = "6"
    & skf21("6","7","3","5","7","4","3","1") = "6"
    & skf21("6","7","3","5","7","4","4","1") = "6"
    & skf21("6","7","3","5","7","4","5","1") = "6"
    & skf21("6","7","3","5","7","4","6","1") = "6"
    & skf21("6","7","3","5","7","4","7","1") = "6"
    & skf21("6","7","3","5","7","5","1","1") = "6"
    & skf21("6","7","3","5","7","5","2","1") = "6"
    & skf21("6","7","3","5","7","5","3","1") = "6"
    & skf21("6","7","3","5","7","5","4","1") = "6"
    & skf21("6","7","3","5","7","5","5","1") = "6"
    & skf21("6","7","3","5","7","5","6","1") = "6"
    & skf21("6","7","3","5","7","5","7","1") = "6"
    & skf21("6","7","3","5","7","6","1","1") = "6"
    & skf21("6","7","3","5","7","6","2","1") = "6"
    & skf21("6","7","3","5","7","6","3","1") = "6"
    & skf21("6","7","3","5","7","6","4","1") = "6"
    & skf21("6","7","3","5","7","6","5","1") = "6"
    & skf21("6","7","3","5","7","6","6","1") = "6"
    & skf21("6","7","3","5","7","6","7","1") = "6"
    & skf21("6","7","3","5","7","7","1","1") = "6"
    & skf21("6","7","3","5","7","7","2","1") = "6"
    & skf21("6","7","3","5","7","7","3","1") = "6"
    & skf21("6","7","3","5","7","7","4","1") = "6"
    & skf21("6","7","3","5","7","7","5","1") = "6"
    & skf21("6","7","3","5","7","7","6","1") = "6"
    & skf21("6","7","3","5","7","7","7","1") = "6"
    & skf21("6","7","3","6","1","1","1","1") = "6"
    & skf21("6","7","3","6","1","1","2","1") = "6"
    & skf21("6","7","3","6","1","1","3","1") = "6"
    & skf21("6","7","3","6","1","1","4","1") = "6"
    & skf21("6","7","3","6","1","1","5","1") = "6"
    & skf21("6","7","3","6","1","1","6","1") = "6"
    & skf21("6","7","3","6","1","1","7","1") = "6"
    & skf21("6","7","3","6","1","2","1","1") = "6"
    & skf21("6","7","3","6","1","2","2","1") = "6"
    & skf21("6","7","3","6","1","2","3","1") = "6"
    & skf21("6","7","3","6","1","2","4","1") = "6"
    & skf21("6","7","3","6","1","2","5","1") = "6"
    & skf21("6","7","3","6","1","2","6","1") = "6"
    & skf21("6","7","3","6","1","2","7","1") = "6"
    & skf21("6","7","3","6","1","3","1","1") = "6"
    & skf21("6","7","3","6","1","3","2","1") = "6"
    & skf21("6","7","3","6","1","3","3","1") = "6"
    & skf21("6","7","3","6","1","3","4","1") = "6"
    & skf21("6","7","3","6","1","3","5","1") = "6"
    & skf21("6","7","3","6","1","3","6","1") = "6"
    & skf21("6","7","3","6","1","3","7","1") = "6"
    & skf21("6","7","3","6","1","4","1","1") = "6"
    & skf21("6","7","3","6","1","4","2","1") = "6"
    & skf21("6","7","3","6","1","4","3","1") = "6"
    & skf21("6","7","3","6","1","4","4","1") = "6"
    & skf21("6","7","3","6","1","4","5","1") = "6"
    & skf21("6","7","3","6","1","4","6","1") = "6"
    & skf21("6","7","3","6","1","4","7","1") = "6"
    & skf21("6","7","3","6","1","5","1","1") = "6"
    & skf21("6","7","3","6","1","5","2","1") = "6"
    & skf21("6","7","3","6","1","5","3","1") = "6"
    & skf21("6","7","3","6","1","5","4","1") = "6"
    & skf21("6","7","3","6","1","5","5","1") = "6"
    & skf21("6","7","3","6","1","5","6","1") = "6"
    & skf21("6","7","3","6","1","5","7","1") = "6"
    & skf21("6","7","3","6","1","6","1","1") = "6"
    & skf21("6","7","3","6","1","6","2","1") = "6"
    & skf21("6","7","3","6","1","6","3","1") = "6"
    & skf21("6","7","3","6","1","6","4","1") = "6"
    & skf21("6","7","3","6","1","6","5","1") = "6"
    & skf21("6","7","3","6","1","6","6","1") = "6"
    & skf21("6","7","3","6","1","6","7","1") = "6"
    & skf21("6","7","3","6","1","7","1","1") = "6"
    & skf21("6","7","3","6","1","7","2","1") = "6"
    & skf21("6","7","3","6","1","7","3","1") = "6"
    & skf21("6","7","3","6","1","7","4","1") = "6"
    & skf21("6","7","3","6","1","7","5","1") = "6"
    & skf21("6","7","3","6","1","7","6","1") = "6"
    & skf21("6","7","3","6","1","7","7","1") = "6"
    & skf21("6","7","3","6","2","1","1","1") = "6"
    & skf21("6","7","3","6","2","1","2","1") = "6"
    & skf21("6","7","3","6","2","1","3","1") = "6"
    & skf21("6","7","3","6","2","1","4","1") = "6"
    & skf21("6","7","3","6","2","1","5","1") = "6"
    & skf21("6","7","3","6","2","1","6","1") = "6"
    & skf21("6","7","3","6","2","1","7","1") = "6"
    & skf21("6","7","3","6","2","2","1","1") = "6"
    & skf21("6","7","3","6","2","2","2","1") = "6"
    & skf21("6","7","3","6","2","2","3","1") = "6"
    & skf21("6","7","3","6","2","2","4","1") = "6"
    & skf21("6","7","3","6","2","2","5","1") = "6"
    & skf21("6","7","3","6","2","2","6","1") = "6"
    & skf21("6","7","3","6","2","2","7","1") = "6"
    & skf21("6","7","3","6","2","3","1","1") = "6"
    & skf21("6","7","3","6","2","3","2","1") = "6"
    & skf21("6","7","3","6","2","3","3","1") = "6"
    & skf21("6","7","3","6","2","3","4","1") = "6"
    & skf21("6","7","3","6","2","3","5","1") = "6"
    & skf21("6","7","3","6","2","3","6","1") = "6"
    & skf21("6","7","3","6","2","3","7","1") = "6"
    & skf21("6","7","3","6","2","4","1","1") = "6"
    & skf21("6","7","3","6","2","4","2","1") = "6"
    & skf21("6","7","3","6","2","4","3","1") = "6"
    & skf21("6","7","3","6","2","4","4","1") = "6"
    & skf21("6","7","3","6","2","4","5","1") = "6"
    & skf21("6","7","3","6","2","4","6","1") = "6"
    & skf21("6","7","3","6","2","4","7","1") = "6"
    & skf21("6","7","3","6","2","5","1","1") = "6"
    & skf21("6","7","3","6","2","5","2","1") = "6"
    & skf21("6","7","3","6","2","5","3","1") = "6"
    & skf21("6","7","3","6","2","5","4","1") = "6"
    & skf21("6","7","3","6","2","5","5","1") = "6"
    & skf21("6","7","3","6","2","5","6","1") = "6"
    & skf21("6","7","3","6","2","5","7","1") = "6"
    & skf21("6","7","3","6","2","6","1","1") = "6"
    & skf21("6","7","3","6","2","6","2","1") = "6"
    & skf21("6","7","3","6","2","6","3","1") = "6"
    & skf21("6","7","3","6","2","6","4","1") = "6"
    & skf21("6","7","3","6","2","6","5","1") = "6"
    & skf21("6","7","3","6","2","6","6","1") = "6"
    & skf21("6","7","3","6","2","6","7","1") = "6"
    & skf21("6","7","3","6","2","7","1","1") = "6"
    & skf21("6","7","3","6","2","7","2","1") = "6"
    & skf21("6","7","3","6","2","7","3","1") = "6"
    & skf21("6","7","3","6","2","7","4","1") = "6"
    & skf21("6","7","3","6","2","7","5","1") = "6"
    & skf21("6","7","3","6","2","7","6","1") = "6"
    & skf21("6","7","3","6","2","7","7","1") = "6"
    & skf21("6","7","3","6","3","1","1","1") = "6"
    & skf21("6","7","3","6","3","1","2","1") = "6"
    & skf21("6","7","3","6","3","1","3","1") = "6"
    & skf21("6","7","3","6","3","1","4","1") = "6"
    & skf21("6","7","3","6","3","1","5","1") = "6"
    & skf21("6","7","3","6","3","1","6","1") = "6"
    & skf21("6","7","3","6","3","1","7","1") = "6"
    & skf21("6","7","3","6","3","2","1","1") = "6"
    & skf21("6","7","3","6","3","2","2","1") = "6"
    & skf21("6","7","3","6","3","2","3","1") = "6"
    & skf21("6","7","3","6","3","2","4","1") = "6"
    & skf21("6","7","3","6","3","2","5","1") = "6"
    & skf21("6","7","3","6","3","2","6","1") = "6"
    & skf21("6","7","3","6","3","2","7","1") = "6"
    & skf21("6","7","3","6","3","3","1","1") = "6"
    & skf21("6","7","3","6","3","3","2","1") = "6"
    & skf21("6","7","3","6","3","3","3","1") = "6"
    & skf21("6","7","3","6","3","3","4","1") = "6"
    & skf21("6","7","3","6","3","3","5","1") = "6"
    & skf21("6","7","3","6","3","3","6","1") = "6"
    & skf21("6","7","3","6","3","3","7","1") = "6"
    & skf21("6","7","3","6","3","4","1","1") = "6"
    & skf21("6","7","3","6","3","4","2","1") = "6"
    & skf21("6","7","3","6","3","4","3","1") = "6"
    & skf21("6","7","3","6","3","4","4","1") = "6"
    & skf21("6","7","3","6","3","4","5","1") = "6"
    & skf21("6","7","3","6","3","4","6","1") = "6"
    & skf21("6","7","3","6","3","4","7","1") = "6"
    & skf21("6","7","3","6","3","5","1","1") = "6"
    & skf21("6","7","3","6","3","5","2","1") = "6"
    & skf21("6","7","3","6","3","5","3","1") = "6"
    & skf21("6","7","3","6","3","5","4","1") = "6"
    & skf21("6","7","3","6","3","5","5","1") = "6"
    & skf21("6","7","3","6","3","5","6","1") = "6"
    & skf21("6","7","3","6","3","5","7","1") = "6"
    & skf21("6","7","3","6","3","6","1","1") = "6"
    & skf21("6","7","3","6","3","6","2","1") = "6"
    & skf21("6","7","3","6","3","6","3","1") = "6"
    & skf21("6","7","3","6","3","6","4","1") = "6"
    & skf21("6","7","3","6","3","6","5","1") = "6"
    & skf21("6","7","3","6","3","6","6","1") = "6"
    & skf21("6","7","3","6","3","6","7","1") = "6"
    & skf21("6","7","3","6","3","7","1","1") = "6"
    & skf21("6","7","3","6","3","7","2","1") = "6"
    & skf21("6","7","3","6","3","7","3","1") = "6"
    & skf21("6","7","3","6","3","7","4","1") = "6"
    & skf21("6","7","3","6","3","7","5","1") = "6"
    & skf21("6","7","3","6","3","7","6","1") = "6"
    & skf21("6","7","3","6","3","7","7","1") = "6"
    & skf21("6","7","3","6","4","1","1","1") = "6"
    & skf21("6","7","3","6","4","1","2","1") = "6"
    & skf21("6","7","3","6","4","1","3","1") = "6"
    & skf21("6","7","3","6","4","1","4","1") = "6"
    & skf21("6","7","3","6","4","1","5","1") = "6"
    & skf21("6","7","3","6","4","1","6","1") = "6"
    & skf21("6","7","3","6","4","1","7","1") = "6"
    & skf21("6","7","3","6","4","2","1","1") = "6"
    & skf21("6","7","3","6","4","2","2","1") = "6"
    & skf21("6","7","3","6","4","2","3","1") = "6"
    & skf21("6","7","3","6","4","2","4","1") = "6"
    & skf21("6","7","3","6","4","2","5","1") = "6"
    & skf21("6","7","3","6","4","2","6","1") = "6"
    & skf21("6","7","3","6","4","2","7","1") = "6"
    & skf21("6","7","3","6","4","3","1","1") = "6"
    & skf21("6","7","3","6","4","3","2","1") = "6"
    & skf21("6","7","3","6","4","3","3","1") = "6"
    & skf21("6","7","3","6","4","3","4","1") = "6"
    & skf21("6","7","3","6","4","3","5","1") = "6"
    & skf21("6","7","3","6","4","3","6","1") = "6"
    & skf21("6","7","3","6","4","3","7","1") = "6"
    & skf21("6","7","3","6","4","4","1","1") = "6"
    & skf21("6","7","3","6","4","4","2","1") = "6"
    & skf21("6","7","3","6","4","4","3","1") = "6"
    & skf21("6","7","3","6","4","4","4","1") = "6"
    & skf21("6","7","3","6","4","4","5","1") = "6"
    & skf21("6","7","3","6","4","4","6","1") = "6"
    & skf21("6","7","3","6","4","4","7","1") = "6"
    & skf21("6","7","3","6","4","5","1","1") = "6"
    & skf21("6","7","3","6","4","5","2","1") = "6"
    & skf21("6","7","3","6","4","5","3","1") = "6"
    & skf21("6","7","3","6","4","5","4","1") = "6"
    & skf21("6","7","3","6","4","5","5","1") = "6"
    & skf21("6","7","3","6","4","5","6","1") = "6"
    & skf21("6","7","3","6","4","5","7","1") = "6"
    & skf21("6","7","3","6","4","6","1","1") = "6"
    & skf21("6","7","3","6","4","6","2","1") = "6"
    & skf21("6","7","3","6","4","6","3","1") = "6"
    & skf21("6","7","3","6","4","6","4","1") = "6"
    & skf21("6","7","3","6","4","6","5","1") = "6"
    & skf21("6","7","3","6","4","6","6","1") = "6"
    & skf21("6","7","3","6","4","6","7","1") = "6"
    & skf21("6","7","3","6","4","7","1","1") = "6"
    & skf21("6","7","3","6","4","7","2","1") = "6"
    & skf21("6","7","3","6","4","7","3","1") = "6"
    & skf21("6","7","3","6","4","7","4","1") = "6"
    & skf21("6","7","3","6","4","7","5","1") = "6"
    & skf21("6","7","3","6","4","7","6","1") = "6"
    & skf21("6","7","3","6","4","7","7","1") = "6"
    & skf21("6","7","3","6","5","1","1","1") = "6"
    & skf21("6","7","3","6","5","1","2","1") = "6"
    & skf21("6","7","3","6","5","1","3","1") = "6"
    & skf21("6","7","3","6","5","1","4","1") = "6"
    & skf21("6","7","3","6","5","1","5","1") = "6"
    & skf21("6","7","3","6","5","1","6","1") = "6"
    & skf21("6","7","3","6","5","1","7","1") = "6"
    & skf21("6","7","3","6","5","2","1","1") = "6"
    & skf21("6","7","3","6","5","2","2","1") = "6"
    & skf21("6","7","3","6","5","2","3","1") = "6"
    & skf21("6","7","3","6","5","2","4","1") = "6"
    & skf21("6","7","3","6","5","2","5","1") = "6"
    & skf21("6","7","3","6","5","2","6","1") = "6"
    & skf21("6","7","3","6","5","2","7","1") = "6"
    & skf21("6","7","3","6","5","3","1","1") = "6"
    & skf21("6","7","3","6","5","3","2","1") = "6"
    & skf21("6","7","3","6","5","3","3","1") = "6"
    & skf21("6","7","3","6","5","3","4","1") = "6"
    & skf21("6","7","3","6","5","3","5","1") = "6"
    & skf21("6","7","3","6","5","3","6","1") = "6"
    & skf21("6","7","3","6","5","3","7","1") = "6"
    & skf21("6","7","3","6","5","4","1","1") = "6"
    & skf21("6","7","3","6","5","4","2","1") = "6"
    & skf21("6","7","3","6","5","4","3","1") = "6"
    & skf21("6","7","3","6","5","4","4","1") = "6"
    & skf21("6","7","3","6","5","4","5","1") = "6"
    & skf21("6","7","3","6","5","4","6","1") = "6"
    & skf21("6","7","3","6","5","4","7","1") = "6"
    & skf21("6","7","3","6","5","5","1","1") = "6"
    & skf21("6","7","3","6","5","5","2","1") = "6"
    & skf21("6","7","3","6","5","5","3","1") = "6"
    & skf21("6","7","3","6","5","5","4","1") = "6"
    & skf21("6","7","3","6","5","5","5","1") = "6"
    & skf21("6","7","3","6","5","5","6","1") = "6"
    & skf21("6","7","3","6","5","5","7","1") = "6"
    & skf21("6","7","3","6","5","6","1","1") = "6"
    & skf21("6","7","3","6","5","6","2","1") = "6"
    & skf21("6","7","3","6","5","6","3","1") = "6"
    & skf21("6","7","3","6","5","6","4","1") = "6"
    & skf21("6","7","3","6","5","6","5","1") = "6"
    & skf21("6","7","3","6","5","6","6","1") = "6"
    & skf21("6","7","3","6","5","6","7","1") = "6"
    & skf21("6","7","3","6","5","7","1","1") = "6"
    & skf21("6","7","3","6","5","7","2","1") = "6"
    & skf21("6","7","3","6","5","7","3","1") = "6"
    & skf21("6","7","3","6","5","7","4","1") = "6"
    & skf21("6","7","3","6","5","7","5","1") = "6"
    & skf21("6","7","3","6","5","7","6","1") = "6"
    & skf21("6","7","3","6","5","7","7","1") = "6"
    & skf21("6","7","3","6","6","1","1","1") = "6"
    & skf21("6","7","3","6","6","1","2","1") = "6"
    & skf21("6","7","3","6","6","1","3","1") = "6"
    & skf21("6","7","3","6","6","1","4","1") = "6"
    & skf21("6","7","3","6","6","1","5","1") = "6"
    & skf21("6","7","3","6","6","1","6","1") = "6"
    & skf21("6","7","3","6","6","1","7","1") = "6"
    & skf21("6","7","3","6","6","2","1","1") = "6"
    & skf21("6","7","3","6","6","2","2","1") = "6"
    & skf21("6","7","3","6","6","2","3","1") = "6"
    & skf21("6","7","3","6","6","2","4","1") = "6"
    & skf21("6","7","3","6","6","2","5","1") = "6"
    & skf21("6","7","3","6","6","2","6","1") = "6"
    & skf21("6","7","3","6","6","2","7","1") = "6"
    & skf21("6","7","3","6","6","3","1","1") = "6"
    & skf21("6","7","3","6","6","3","2","1") = "6"
    & skf21("6","7","3","6","6","3","3","1") = "6"
    & skf21("6","7","3","6","6","3","4","1") = "6"
    & skf21("6","7","3","6","6","3","5","1") = "6"
    & skf21("6","7","3","6","6","3","6","1") = "6"
    & skf21("6","7","3","6","6","3","7","1") = "6"
    & skf21("6","7","3","6","6","4","1","1") = "6"
    & skf21("6","7","3","6","6","4","2","1") = "6"
    & skf21("6","7","3","6","6","4","3","1") = "6"
    & skf21("6","7","3","6","6","4","4","1") = "6"
    & skf21("6","7","3","6","6","4","5","1") = "6"
    & skf21("6","7","3","6","6","4","6","1") = "6"
    & skf21("6","7","3","6","6","4","7","1") = "6"
    & skf21("6","7","3","6","6","5","1","1") = "6"
    & skf21("6","7","3","6","6","5","2","1") = "6"
    & skf21("6","7","3","6","6","5","3","1") = "6"
    & skf21("6","7","3","6","6","5","4","1") = "6"
    & skf21("6","7","3","6","6","5","5","1") = "6"
    & skf21("6","7","3","6","6","5","6","1") = "6"
    & skf21("6","7","3","6","6","5","7","1") = "6"
    & skf21("6","7","3","6","6","6","1","1") = "6"
    & skf21("6","7","3","6","6","6","2","1") = "6"
    & skf21("6","7","3","6","6","6","3","1") = "6"
    & skf21("6","7","3","6","6","6","4","1") = "6"
    & skf21("6","7","3","6","6","6","5","1") = "6"
    & skf21("6","7","3","6","6","6","6","1") = "6"
    & skf21("6","7","3","6","6","6","7","1") = "6"
    & skf21("6","7","3","6","6","7","1","1") = "6"
    & skf21("6","7","3","6","6","7","2","1") = "6"
    & skf21("6","7","3","6","6","7","3","1") = "6"
    & skf21("6","7","3","6","6","7","4","1") = "6"
    & skf21("6","7","3","6","6","7","5","1") = "6"
    & skf21("6","7","3","6","6","7","6","1") = "6"
    & skf21("6","7","3","6","6","7","7","1") = "6"
    & skf21("6","7","3","6","7","1","1","1") = "6"
    & skf21("6","7","3","6","7","1","2","1") = "6"
    & skf21("6","7","3","6","7","1","3","1") = "6"
    & skf21("6","7","3","6","7","1","4","1") = "6"
    & skf21("6","7","3","6","7","1","5","1") = "6"
    & skf21("6","7","3","6","7","1","6","1") = "6"
    & skf21("6","7","3","6","7","1","7","1") = "6"
    & skf21("6","7","3","6","7","2","1","1") = "6"
    & skf21("6","7","3","6","7","2","2","1") = "6"
    & skf21("6","7","3","6","7","2","3","1") = "6"
    & skf21("6","7","3","6","7","2","4","1") = "6"
    & skf21("6","7","3","6","7","2","5","1") = "6"
    & skf21("6","7","3","6","7","2","6","1") = "6"
    & skf21("6","7","3","6","7","2","7","1") = "6"
    & skf21("6","7","3","6","7","3","1","1") = "6"
    & skf21("6","7","3","6","7","3","2","1") = "6"
    & skf21("6","7","3","6","7","3","3","1") = "6"
    & skf21("6","7","3","6","7","3","4","1") = "6"
    & skf21("6","7","3","6","7","3","5","1") = "6"
    & skf21("6","7","3","6","7","3","6","1") = "6"
    & skf21("6","7","3","6","7","3","7","1") = "6"
    & skf21("6","7","3","6","7","4","1","1") = "6"
    & skf21("6","7","3","6","7","4","2","1") = "6"
    & skf21("6","7","3","6","7","4","3","1") = "6"
    & skf21("6","7","3","6","7","4","4","1") = "6"
    & skf21("6","7","3","6","7","4","5","1") = "6"
    & skf21("6","7","3","6","7","4","6","1") = "6"
    & skf21("6","7","3","6","7","4","7","1") = "6"
    & skf21("6","7","3","6","7","5","1","1") = "6"
    & skf21("6","7","3","6","7","5","2","1") = "6"
    & skf21("6","7","3","6","7","5","3","1") = "6"
    & skf21("6","7","3","6","7","5","4","1") = "6"
    & skf21("6","7","3","6","7","5","5","1") = "6"
    & skf21("6","7","3","6","7","5","6","1") = "6"
    & skf21("6","7","3","6","7","5","7","1") = "6"
    & skf21("6","7","3","6","7","6","1","1") = "6"
    & skf21("6","7","3","6","7","6","2","1") = "6"
    & skf21("6","7","3","6","7","6","3","1") = "6"
    & skf21("6","7","3","6","7","6","4","1") = "6"
    & skf21("6","7","3","6","7","6","5","1") = "6"
    & skf21("6","7","3","6","7","6","6","1") = "6"
    & skf21("6","7","3","6","7","6","7","1") = "6"
    & skf21("6","7","3","6","7","7","1","1") = "6"
    & skf21("6","7","3","6","7","7","2","1") = "6"
    & skf21("6","7","3","6","7","7","3","1") = "6"
    & skf21("6","7","3","6","7","7","4","1") = "6"
    & skf21("6","7","3","6","7","7","5","1") = "6"
    & skf21("6","7","3","6","7","7","6","1") = "6"
    & skf21("6","7","3","6","7","7","7","1") = "6"
    & skf21("6","7","3","7","1","1","1","1") = "6"
    & skf21("6","7","3","7","1","1","2","1") = "6"
    & skf21("6","7","3","7","1","1","3","1") = "6"
    & skf21("6","7","3","7","1","1","4","1") = "6"
    & skf21("6","7","3","7","1","1","5","1") = "6"
    & skf21("6","7","3","7","1","1","6","1") = "6"
    & skf21("6","7","3","7","1","1","7","1") = "6"
    & skf21("6","7","3","7","1","2","1","1") = "6"
    & skf21("6","7","3","7","1","2","2","1") = "6"
    & skf21("6","7","3","7","1","2","3","1") = "6"
    & skf21("6","7","3","7","1","2","4","1") = "6"
    & skf21("6","7","3","7","1","2","5","1") = "6"
    & skf21("6","7","3","7","1","2","6","1") = "6"
    & skf21("6","7","3","7","1","2","7","1") = "6"
    & skf21("6","7","3","7","1","3","1","1") = "6"
    & skf21("6","7","3","7","1","3","2","1") = "6"
    & skf21("6","7","3","7","1","3","3","1") = "6"
    & skf21("6","7","3","7","1","3","4","1") = "6"
    & skf21("6","7","3","7","1","3","5","1") = "6"
    & skf21("6","7","3","7","1","3","6","1") = "6"
    & skf21("6","7","3","7","1","3","7","1") = "6"
    & skf21("6","7","3","7","1","4","1","1") = "6"
    & skf21("6","7","3","7","1","4","2","1") = "6"
    & skf21("6","7","3","7","1","4","3","1") = "6"
    & skf21("6","7","3","7","1","4","4","1") = "6"
    & skf21("6","7","3","7","1","4","5","1") = "6"
    & skf21("6","7","3","7","1","4","6","1") = "6"
    & skf21("6","7","3","7","1","4","7","1") = "6"
    & skf21("6","7","3","7","1","5","1","1") = "6"
    & skf21("6","7","3","7","1","5","2","1") = "6"
    & skf21("6","7","3","7","1","5","3","1") = "6"
    & skf21("6","7","3","7","1","5","4","1") = "6"
    & skf21("6","7","3","7","1","5","5","1") = "6"
    & skf21("6","7","3","7","1","5","6","1") = "6"
    & skf21("6","7","3","7","1","5","7","1") = "6"
    & skf21("6","7","3","7","1","6","1","1") = "6"
    & skf21("6","7","3","7","1","6","2","1") = "6"
    & skf21("6","7","3","7","1","6","3","1") = "6"
    & skf21("6","7","3","7","1","6","4","1") = "6"
    & skf21("6","7","3","7","1","6","5","1") = "6"
    & skf21("6","7","3","7","1","6","6","1") = "6"
    & skf21("6","7","3","7","1","6","7","1") = "6"
    & skf21("6","7","3","7","1","7","1","1") = "6"
    & skf21("6","7","3","7","1","7","2","1") = "6"
    & skf21("6","7","3","7","1","7","3","1") = "6"
    & skf21("6","7","3","7","1","7","4","1") = "6"
    & skf21("6","7","3","7","1","7","5","1") = "6"
    & skf21("6","7","3","7","1","7","6","1") = "6"
    & skf21("6","7","3","7","1","7","7","1") = "6"
    & skf21("6","7","3","7","2","1","1","1") = "6"
    & skf21("6","7","3","7","2","1","2","1") = "6"
    & skf21("6","7","3","7","2","1","3","1") = "6"
    & skf21("6","7","3","7","2","1","4","1") = "6"
    & skf21("6","7","3","7","2","1","5","1") = "6"
    & skf21("6","7","3","7","2","1","6","1") = "6"
    & skf21("6","7","3","7","2","1","7","1") = "6"
    & skf21("6","7","3","7","2","2","1","1") = "6"
    & skf21("6","7","3","7","2","2","2","1") = "6"
    & skf21("6","7","3","7","2","2","3","1") = "6"
    & skf21("6","7","3","7","2","2","4","1") = "6"
    & skf21("6","7","3","7","2","2","5","1") = "6"
    & skf21("6","7","3","7","2","2","6","1") = "6"
    & skf21("6","7","3","7","2","2","7","1") = "6"
    & skf21("6","7","3","7","2","3","1","1") = "6"
    & skf21("6","7","3","7","2","3","2","1") = "6"
    & skf21("6","7","3","7","2","3","3","1") = "6"
    & skf21("6","7","3","7","2","3","4","1") = "6"
    & skf21("6","7","3","7","2","3","5","1") = "6"
    & skf21("6","7","3","7","2","3","6","1") = "6"
    & skf21("6","7","3","7","2","3","7","1") = "6"
    & skf21("6","7","3","7","2","4","1","1") = "6"
    & skf21("6","7","3","7","2","4","2","1") = "6"
    & skf21("6","7","3","7","2","4","3","1") = "6"
    & skf21("6","7","3","7","2","4","4","1") = "6"
    & skf21("6","7","3","7","2","4","5","1") = "6"
    & skf21("6","7","3","7","2","4","6","1") = "6"
    & skf21("6","7","3","7","2","4","7","1") = "6"
    & skf21("6","7","3","7","2","5","1","1") = "6"
    & skf21("6","7","3","7","2","5","2","1") = "6"
    & skf21("6","7","3","7","2","5","3","1") = "6"
    & skf21("6","7","3","7","2","5","4","1") = "6"
    & skf21("6","7","3","7","2","5","5","1") = "6"
    & skf21("6","7","3","7","2","5","6","1") = "6"
    & skf21("6","7","3","7","2","5","7","1") = "6"
    & skf21("6","7","3","7","2","6","1","1") = "6"
    & skf21("6","7","3","7","2","6","2","1") = "6"
    & skf21("6","7","3","7","2","6","3","1") = "6"
    & skf21("6","7","3","7","2","6","4","1") = "6"
    & skf21("6","7","3","7","2","6","5","1") = "6"
    & skf21("6","7","3","7","2","6","6","1") = "6"
    & skf21("6","7","3","7","2","6","7","1") = "6"
    & skf21("6","7","3","7","2","7","1","1") = "6"
    & skf21("6","7","3","7","2","7","2","1") = "6"
    & skf21("6","7","3","7","2","7","3","1") = "6"
    & skf21("6","7","3","7","2","7","4","1") = "6"
    & skf21("6","7","3","7","2","7","5","1") = "6"
    & skf21("6","7","3","7","2","7","6","1") = "6"
    & skf21("6","7","3","7","2","7","7","1") = "6"
    & skf21("6","7","3","7","3","1","1","1") = "6"
    & skf21("6","7","3","7","3","1","2","1") = "6"
    & skf21("6","7","3","7","3","1","3","1") = "6"
    & skf21("6","7","3","7","3","1","4","1") = "6"
    & skf21("6","7","3","7","3","1","5","1") = "6"
    & skf21("6","7","3","7","3","1","6","1") = "6"
    & skf21("6","7","3","7","3","1","7","1") = "6"
    & skf21("6","7","3","7","3","2","1","1") = "6"
    & skf21("6","7","3","7","3","2","2","1") = "6"
    & skf21("6","7","3","7","3","2","3","1") = "6"
    & skf21("6","7","3","7","3","2","4","1") = "6"
    & skf21("6","7","3","7","3","2","5","1") = "6"
    & skf21("6","7","3","7","3","2","6","1") = "6"
    & skf21("6","7","3","7","3","2","7","1") = "6"
    & skf21("6","7","3","7","3","3","1","1") = "6"
    & skf21("6","7","3","7","3","3","2","1") = "6"
    & skf21("6","7","3","7","3","3","3","1") = "6"
    & skf21("6","7","3","7","3","3","4","1") = "6"
    & skf21("6","7","3","7","3","3","5","1") = "6"
    & skf21("6","7","3","7","3","3","6","1") = "6"
    & skf21("6","7","3","7","3","3","7","1") = "6"
    & skf21("6","7","3","7","3","4","1","1") = "6"
    & skf21("6","7","3","7","3","4","2","1") = "6"
    & skf21("6","7","3","7","3","4","3","1") = "6"
    & skf21("6","7","3","7","3","4","4","1") = "6"
    & skf21("6","7","3","7","3","4","5","1") = "6"
    & skf21("6","7","3","7","3","4","6","1") = "6"
    & skf21("6","7","3","7","3","4","7","1") = "6"
    & skf21("6","7","3","7","3","5","1","1") = "6"
    & skf21("6","7","3","7","3","5","2","1") = "6"
    & skf21("6","7","3","7","3","5","3","1") = "6"
    & skf21("6","7","3","7","3","5","4","1") = "6"
    & skf21("6","7","3","7","3","5","5","1") = "6"
    & skf21("6","7","3","7","3","5","6","1") = "6"
    & skf21("6","7","3","7","3","5","7","1") = "6"
    & skf21("6","7","3","7","3","6","1","1") = "6"
    & skf21("6","7","3","7","3","6","2","1") = "6"
    & skf21("6","7","3","7","3","6","3","1") = "6"
    & skf21("6","7","3","7","3","6","4","1") = "6"
    & skf21("6","7","3","7","3","6","5","1") = "6"
    & skf21("6","7","3","7","3","6","6","1") = "6"
    & skf21("6","7","3","7","3","6","7","1") = "6"
    & skf21("6","7","3","7","3","7","1","1") = "6"
    & skf21("6","7","3","7","3","7","2","1") = "6"
    & skf21("6","7","3","7","3","7","3","1") = "6"
    & skf21("6","7","3","7","3","7","4","1") = "6"
    & skf21("6","7","3","7","3","7","5","1") = "6"
    & skf21("6","7","3","7","3","7","6","1") = "6"
    & skf21("6","7","3","7","3","7","7","1") = "6"
    & skf21("6","7","3","7","4","1","1","1") = "6"
    & skf21("6","7","3","7","4","1","2","1") = "6"
    & skf21("6","7","3","7","4","1","3","1") = "6"
    & skf21("6","7","3","7","4","1","4","1") = "6"
    & skf21("6","7","3","7","4","1","5","1") = "6"
    & skf21("6","7","3","7","4","1","6","1") = "6"
    & skf21("6","7","3","7","4","1","7","1") = "6"
    & skf21("6","7","3","7","4","2","1","1") = "6"
    & skf21("6","7","3","7","4","2","2","1") = "6"
    & skf21("6","7","3","7","4","2","3","1") = "6"
    & skf21("6","7","3","7","4","2","4","1") = "6"
    & skf21("6","7","3","7","4","2","5","1") = "6"
    & skf21("6","7","3","7","4","2","6","1") = "6"
    & skf21("6","7","3","7","4","2","7","1") = "6"
    & skf21("6","7","3","7","4","3","1","1") = "6"
    & skf21("6","7","3","7","4","3","2","1") = "6"
    & skf21("6","7","3","7","4","3","3","1") = "6"
    & skf21("6","7","3","7","4","3","4","1") = "6"
    & skf21("6","7","3","7","4","3","5","1") = "6"
    & skf21("6","7","3","7","4","3","6","1") = "6"
    & skf21("6","7","3","7","4","3","7","1") = "6"
    & skf21("6","7","3","7","4","4","1","1") = "6"
    & skf21("6","7","3","7","4","4","2","1") = "6"
    & skf21("6","7","3","7","4","4","3","1") = "6"
    & skf21("6","7","3","7","4","4","4","1") = "6"
    & skf21("6","7","3","7","4","4","5","1") = "6"
    & skf21("6","7","3","7","4","4","6","1") = "6"
    & skf21("6","7","3","7","4","4","7","1") = "6"
    & skf21("6","7","3","7","4","5","1","1") = "6"
    & skf21("6","7","3","7","4","5","2","1") = "6"
    & skf21("6","7","3","7","4","5","3","1") = "6"
    & skf21("6","7","3","7","4","5","4","1") = "6"
    & skf21("6","7","3","7","4","5","5","1") = "6"
    & skf21("6","7","3","7","4","5","6","1") = "6"
    & skf21("6","7","3","7","4","5","7","1") = "6"
    & skf21("6","7","3","7","4","6","1","1") = "6"
    & skf21("6","7","3","7","4","6","2","1") = "6"
    & skf21("6","7","3","7","4","6","3","1") = "6"
    & skf21("6","7","3","7","4","6","4","1") = "6"
    & skf21("6","7","3","7","4","6","5","1") = "6"
    & skf21("6","7","3","7","4","6","6","1") = "6"
    & skf21("6","7","3","7","4","6","7","1") = "6"
    & skf21("6","7","3","7","4","7","1","1") = "6"
    & skf21("6","7","3","7","4","7","2","1") = "6"
    & skf21("6","7","3","7","4","7","3","1") = "6"
    & skf21("6","7","3","7","4","7","4","1") = "6"
    & skf21("6","7","3","7","4","7","5","1") = "6"
    & skf21("6","7","3","7","4","7","6","1") = "6"
    & skf21("6","7","3","7","4","7","7","1") = "6"
    & skf21("6","7","3","7","5","1","1","1") = "6"
    & skf21("6","7","3","7","5","1","2","1") = "6"
    & skf21("6","7","3","7","5","1","3","1") = "6"
    & skf21("6","7","3","7","5","1","4","1") = "6"
    & skf21("6","7","3","7","5","1","5","1") = "6"
    & skf21("6","7","3","7","5","1","6","1") = "6"
    & skf21("6","7","3","7","5","1","7","1") = "6"
    & skf21("6","7","3","7","5","2","1","1") = "6"
    & skf21("6","7","3","7","5","2","2","1") = "6"
    & skf21("6","7","3","7","5","2","3","1") = "6"
    & skf21("6","7","3","7","5","2","4","1") = "6"
    & skf21("6","7","3","7","5","2","5","1") = "6"
    & skf21("6","7","3","7","5","2","6","1") = "6"
    & skf21("6","7","3","7","5","2","7","1") = "6"
    & skf21("6","7","3","7","5","3","1","1") = "6"
    & skf21("6","7","3","7","5","3","2","1") = "6"
    & skf21("6","7","3","7","5","3","3","1") = "6"
    & skf21("6","7","3","7","5","3","4","1") = "6"
    & skf21("6","7","3","7","5","3","5","1") = "6"
    & skf21("6","7","3","7","5","3","6","1") = "6"
    & skf21("6","7","3","7","5","3","7","1") = "6"
    & skf21("6","7","3","7","5","4","1","1") = "6"
    & skf21("6","7","3","7","5","4","2","1") = "6"
    & skf21("6","7","3","7","5","4","3","1") = "6"
    & skf21("6","7","3","7","5","4","4","1") = "6"
    & skf21("6","7","3","7","5","4","5","1") = "6"
    & skf21("6","7","3","7","5","4","6","1") = "6"
    & skf21("6","7","3","7","5","4","7","1") = "6"
    & skf21("6","7","3","7","5","5","1","1") = "6"
    & skf21("6","7","3","7","5","5","2","1") = "6"
    & skf21("6","7","3","7","5","5","3","1") = "6"
    & skf21("6","7","3","7","5","5","4","1") = "6"
    & skf21("6","7","3","7","5","5","5","1") = "6"
    & skf21("6","7","3","7","5","5","6","1") = "6"
    & skf21("6","7","3","7","5","5","7","1") = "6"
    & skf21("6","7","3","7","5","6","1","1") = "6"
    & skf21("6","7","3","7","5","6","2","1") = "6"
    & skf21("6","7","3","7","5","6","3","1") = "6"
    & skf21("6","7","3","7","5","6","4","1") = "6"
    & skf21("6","7","3","7","5","6","5","1") = "6"
    & skf21("6","7","3","7","5","6","6","1") = "6"
    & skf21("6","7","3","7","5","6","7","1") = "6"
    & skf21("6","7","3","7","5","7","1","1") = "6"
    & skf21("6","7","3","7","5","7","2","1") = "6"
    & skf21("6","7","3","7","5","7","3","1") = "6"
    & skf21("6","7","3","7","5","7","4","1") = "6"
    & skf21("6","7","3","7","5","7","5","1") = "6"
    & skf21("6","7","3","7","5","7","6","1") = "6"
    & skf21("6","7","3","7","5","7","7","1") = "6"
    & skf21("6","7","3","7","6","1","1","1") = "6"
    & skf21("6","7","3","7","6","1","2","1") = "6"
    & skf21("6","7","3","7","6","1","3","1") = "6"
    & skf21("6","7","3","7","6","1","4","1") = "6"
    & skf21("6","7","3","7","6","1","5","1") = "6"
    & skf21("6","7","3","7","6","1","6","1") = "6"
    & skf21("6","7","3","7","6","1","7","1") = "6"
    & skf21("6","7","3","7","6","2","1","1") = "6"
    & skf21("6","7","3","7","6","2","2","1") = "6"
    & skf21("6","7","3","7","6","2","3","1") = "6"
    & skf21("6","7","3","7","6","2","4","1") = "6"
    & skf21("6","7","3","7","6","2","5","1") = "6"
    & skf21("6","7","3","7","6","2","6","1") = "6"
    & skf21("6","7","3","7","6","2","7","1") = "6"
    & skf21("6","7","3","7","6","3","1","1") = "6"
    & skf21("6","7","3","7","6","3","2","1") = "6"
    & skf21("6","7","3","7","6","3","3","1") = "6"
    & skf21("6","7","3","7","6","3","4","1") = "6"
    & skf21("6","7","3","7","6","3","5","1") = "6"
    & skf21("6","7","3","7","6","3","6","1") = "6"
    & skf21("6","7","3","7","6","3","7","1") = "6"
    & skf21("6","7","3","7","6","4","1","1") = "6"
    & skf21("6","7","3","7","6","4","2","1") = "6"
    & skf21("6","7","3","7","6","4","3","1") = "6"
    & skf21("6","7","3","7","6","4","4","1") = "6"
    & skf21("6","7","3","7","6","4","5","1") = "6"
    & skf21("6","7","3","7","6","4","6","1") = "6"
    & skf21("6","7","3","7","6","4","7","1") = "6"
    & skf21("6","7","3","7","6","5","1","1") = "6"
    & skf21("6","7","3","7","6","5","2","1") = "6"
    & skf21("6","7","3","7","6","5","3","1") = "6"
    & skf21("6","7","3","7","6","5","4","1") = "6"
    & skf21("6","7","3","7","6","5","5","1") = "6"
    & skf21("6","7","3","7","6","5","6","1") = "6"
    & skf21("6","7","3","7","6","5","7","1") = "6"
    & skf21("6","7","3","7","6","6","1","1") = "6"
    & skf21("6","7","3","7","6","6","2","1") = "6"
    & skf21("6","7","3","7","6","6","3","1") = "6"
    & skf21("6","7","3","7","6","6","4","1") = "6"
    & skf21("6","7","3","7","6","6","5","1") = "6"
    & skf21("6","7","3","7","6","6","6","1") = "6"
    & skf21("6","7","3","7","6","6","7","1") = "6"
    & skf21("6","7","3","7","6","7","1","1") = "6"
    & skf21("6","7","3","7","6","7","2","1") = "6"
    & skf21("6","7","3","7","6","7","3","1") = "6"
    & skf21("6","7","3","7","6","7","4","1") = "6"
    & skf21("6","7","3","7","6","7","5","1") = "6"
    & skf21("6","7","3","7","6","7","6","1") = "6"
    & skf21("6","7","3","7","6","7","7","1") = "6"
    & skf21("6","7","3","7","7","1","1","1") = "6"
    & skf21("6","7","3","7","7","1","2","1") = "6"
    & skf21("6","7","3","7","7","1","3","1") = "6"
    & skf21("6","7","3","7","7","1","4","1") = "6"
    & skf21("6","7","3","7","7","1","5","1") = "6"
    & skf21("6","7","3","7","7","1","6","1") = "6"
    & skf21("6","7","3","7","7","1","7","1") = "6"
    & skf21("6","7","3","7","7","2","1","1") = "6"
    & skf21("6","7","3","7","7","2","2","1") = "6"
    & skf21("6","7","3","7","7","2","3","1") = "6"
    & skf21("6","7","3","7","7","2","4","1") = "6"
    & skf21("6","7","3","7","7","2","5","1") = "6"
    & skf21("6","7","3","7","7","2","6","1") = "6"
    & skf21("6","7","3","7","7","2","7","1") = "6"
    & skf21("6","7","3","7","7","3","1","1") = "6"
    & skf21("6","7","3","7","7","3","2","1") = "6"
    & skf21("6","7","3","7","7","3","3","1") = "6"
    & skf21("6","7","3","7","7","3","4","1") = "6"
    & skf21("6","7","3","7","7","3","5","1") = "6"
    & skf21("6","7","3","7","7","3","6","1") = "6"
    & skf21("6","7","3","7","7","3","7","1") = "6"
    & skf21("6","7","3","7","7","4","1","1") = "6"
    & skf21("6","7","3","7","7","4","2","1") = "6"
    & skf21("6","7","3","7","7","4","3","1") = "6"
    & skf21("6","7","3","7","7","4","4","1") = "6"
    & skf21("6","7","3","7","7","4","5","1") = "6"
    & skf21("6","7","3","7","7","4","6","1") = "6"
    & skf21("6","7","3","7","7","4","7","1") = "6"
    & skf21("6","7","3","7","7","5","1","1") = "6"
    & skf21("6","7","3","7","7","5","2","1") = "6"
    & skf21("6","7","3","7","7","5","3","1") = "6"
    & skf21("6","7","3","7","7","5","4","1") = "6"
    & skf21("6","7","3","7","7","5","5","1") = "6"
    & skf21("6","7","3","7","7","5","6","1") = "6"
    & skf21("6","7","3","7","7","5","7","1") = "6"
    & skf21("6","7","3","7","7","6","1","1") = "6"
    & skf21("6","7","3","7","7","6","2","1") = "6"
    & skf21("6","7","3","7","7","6","3","1") = "6"
    & skf21("6","7","3","7","7","6","4","1") = "6"
    & skf21("6","7","3","7","7","6","5","1") = "6"
    & skf21("6","7","3","7","7","6","6","1") = "6"
    & skf21("6","7","3","7","7","6","7","1") = "6"
    & skf21("6","7","3","7","7","7","1","1") = "6"
    & skf21("6","7","3","7","7","7","2","1") = "6"
    & skf21("6","7","3","7","7","7","3","1") = "6"
    & skf21("6","7","3","7","7","7","4","1") = "6"
    & skf21("6","7","3","7","7","7","5","1") = "6"
    & skf21("6","7","3","7","7","7","6","1") = "6"
    & skf21("6","7","3","7","7","7","7","1") = "6"
    & skf21("6","7","4","1","1","1","1","1") = "6"
    & skf21("6","7","4","1","1","1","2","1") = "6"
    & skf21("6","7","4","1","1","1","3","1") = "6"
    & skf21("6","7","4","1","1","1","4","1") = "6"
    & skf21("6","7","4","1","1","1","5","1") = "6"
    & skf21("6","7","4","1","1","1","6","1") = "6"
    & skf21("6","7","4","1","1","1","7","1") = "6"
    & skf21("6","7","4","1","1","2","1","1") = "6"
    & skf21("6","7","4","1","1","2","2","1") = "6"
    & skf21("6","7","4","1","1","2","3","1") = "6"
    & skf21("6","7","4","1","1","2","4","1") = "6"
    & skf21("6","7","4","1","1","2","5","1") = "6"
    & skf21("6","7","4","1","1","2","6","1") = "6"
    & skf21("6","7","4","1","1","2","7","1") = "6"
    & skf21("6","7","4","1","1","3","1","1") = "6"
    & skf21("6","7","4","1","1","3","2","1") = "6"
    & skf21("6","7","4","1","1","3","3","1") = "6"
    & skf21("6","7","4","1","1","3","4","1") = "6"
    & skf21("6","7","4","1","1","3","5","1") = "6"
    & skf21("6","7","4","1","1","3","6","1") = "6"
    & skf21("6","7","4","1","1","3","7","1") = "6"
    & skf21("6","7","4","1","1","4","1","1") = "6"
    & skf21("6","7","4","1","1","4","2","1") = "6"
    & skf21("6","7","4","1","1","4","3","1") = "6"
    & skf21("6","7","4","1","1","4","4","1") = "6"
    & skf21("6","7","4","1","1","4","5","1") = "6"
    & skf21("6","7","4","1","1","4","6","1") = "6"
    & skf21("6","7","4","1","1","4","7","1") = "6"
    & skf21("6","7","4","1","1","5","1","1") = "6"
    & skf21("6","7","4","1","1","5","2","1") = "6"
    & skf21("6","7","4","1","1","5","3","1") = "6"
    & skf21("6","7","4","1","1","5","4","1") = "6"
    & skf21("6","7","4","1","1","5","5","1") = "6"
    & skf21("6","7","4","1","1","5","6","1") = "6"
    & skf21("6","7","4","1","1","5","7","1") = "6"
    & skf21("6","7","4","1","1","6","1","1") = "6"
    & skf21("6","7","4","1","1","6","2","1") = "6"
    & skf21("6","7","4","1","1","6","3","1") = "6"
    & skf21("6","7","4","1","1","6","4","1") = "6"
    & skf21("6","7","4","1","1","6","5","1") = "6"
    & skf21("6","7","4","1","1","6","6","1") = "6"
    & skf21("6","7","4","1","1","6","7","1") = "6"
    & skf21("6","7","4","1","1","7","1","1") = "6"
    & skf21("6","7","4","1","1","7","2","1") = "6"
    & skf21("6","7","4","1","1","7","3","1") = "6"
    & skf21("6","7","4","1","1","7","4","1") = "6"
    & skf21("6","7","4","1","1","7","5","1") = "6"
    & skf21("6","7","4","1","1","7","6","1") = "6"
    & skf21("6","7","4","1","1","7","7","1") = "6"
    & skf21("6","7","4","1","2","1","1","1") = "6"
    & skf21("6","7","4","1","2","1","2","1") = "6"
    & skf21("6","7","4","1","2","1","3","1") = "6"
    & skf21("6","7","4","1","2","1","4","1") = "6"
    & skf21("6","7","4","1","2","1","5","1") = "6"
    & skf21("6","7","4","1","2","1","6","1") = "6"
    & skf21("6","7","4","1","2","1","7","1") = "6"
    & skf21("6","7","4","1","2","2","1","1") = "6"
    & skf21("6","7","4","1","2","2","2","1") = "6"
    & skf21("6","7","4","1","2","2","3","1") = "6"
    & skf21("6","7","4","1","2","2","4","1") = "6"
    & skf21("6","7","4","1","2","2","5","1") = "6"
    & skf21("6","7","4","1","2","2","6","1") = "6"
    & skf21("6","7","4","1","2","2","7","1") = "6"
    & skf21("6","7","4","1","2","3","1","1") = "6"
    & skf21("6","7","4","1","2","3","2","1") = "6"
    & skf21("6","7","4","1","2","3","3","1") = "6"
    & skf21("6","7","4","1","2","3","4","1") = "6"
    & skf21("6","7","4","1","2","3","5","1") = "6"
    & skf21("6","7","4","1","2","3","6","1") = "6"
    & skf21("6","7","4","1","2","3","7","1") = "6"
    & skf21("6","7","4","1","2","4","1","1") = "6"
    & skf21("6","7","4","1","2","4","2","1") = "6"
    & skf21("6","7","4","1","2","4","3","1") = "6"
    & skf21("6","7","4","1","2","4","4","1") = "6"
    & skf21("6","7","4","1","2","4","5","1") = "6"
    & skf21("6","7","4","1","2","4","6","1") = "6"
    & skf21("6","7","4","1","2","4","7","1") = "6"
    & skf21("6","7","4","1","2","5","1","1") = "6"
    & skf21("6","7","4","1","2","5","2","1") = "6"
    & skf21("6","7","4","1","2","5","3","1") = "6"
    & skf21("6","7","4","1","2","5","4","1") = "6"
    & skf21("6","7","4","1","2","5","5","1") = "6"
    & skf21("6","7","4","1","2","5","6","1") = "6"
    & skf21("6","7","4","1","2","5","7","1") = "6"
    & skf21("6","7","4","1","2","6","1","1") = "6"
    & skf21("6","7","4","1","2","6","2","1") = "6"
    & skf21("6","7","4","1","2","6","3","1") = "6"
    & skf21("6","7","4","1","2","6","4","1") = "6"
    & skf21("6","7","4","1","2","6","5","1") = "6"
    & skf21("6","7","4","1","2","6","6","1") = "6"
    & skf21("6","7","4","1","2","6","7","1") = "6"
    & skf21("6","7","4","1","2","7","1","1") = "6"
    & skf21("6","7","4","1","2","7","2","1") = "6"
    & skf21("6","7","4","1","2","7","3","1") = "6"
    & skf21("6","7","4","1","2","7","4","1") = "6"
    & skf21("6","7","4","1","2","7","5","1") = "6"
    & skf21("6","7","4","1","2","7","6","1") = "6"
    & skf21("6","7","4","1","2","7","7","1") = "6"
    & skf21("6","7","4","1","3","1","1","1") = "6"
    & skf21("6","7","4","1","3","1","2","1") = "6"
    & skf21("6","7","4","1","3","1","3","1") = "6"
    & skf21("6","7","4","1","3","1","4","1") = "6"
    & skf21("6","7","4","1","3","1","5","1") = "6"
    & skf21("6","7","4","1","3","1","6","1") = "6"
    & skf21("6","7","4","1","3","1","7","1") = "6"
    & skf21("6","7","4","1","3","2","1","1") = "6"
    & skf21("6","7","4","1","3","2","2","1") = "6"
    & skf21("6","7","4","1","3","2","3","1") = "6"
    & skf21("6","7","4","1","3","2","4","1") = "6"
    & skf21("6","7","4","1","3","2","5","1") = "6"
    & skf21("6","7","4","1","3","2","6","1") = "6"
    & skf21("6","7","4","1","3","2","7","1") = "6"
    & skf21("6","7","4","1","3","3","1","1") = "6"
    & skf21("6","7","4","1","3","3","2","1") = "6"
    & skf21("6","7","4","1","3","3","3","1") = "6"
    & skf21("6","7","4","1","3","3","4","1") = "6"
    & skf21("6","7","4","1","3","3","5","1") = "6"
    & skf21("6","7","4","1","3","3","6","1") = "6"
    & skf21("6","7","4","1","3","3","7","1") = "6"
    & skf21("6","7","4","1","3","4","1","1") = "6"
    & skf21("6","7","4","1","3","4","2","1") = "6"
    & skf21("6","7","4","1","3","4","3","1") = "6"
    & skf21("6","7","4","1","3","4","4","1") = "6"
    & skf21("6","7","4","1","3","4","5","1") = "6"
    & skf21("6","7","4","1","3","4","6","1") = "6"
    & skf21("6","7","4","1","3","4","7","1") = "6"
    & skf21("6","7","4","1","3","5","1","1") = "6"
    & skf21("6","7","4","1","3","5","2","1") = "6"
    & skf21("6","7","4","1","3","5","3","1") = "6"
    & skf21("6","7","4","1","3","5","4","1") = "6"
    & skf21("6","7","4","1","3","5","5","1") = "6"
    & skf21("6","7","4","1","3","5","6","1") = "6"
    & skf21("6","7","4","1","3","5","7","1") = "6"
    & skf21("6","7","4","1","3","6","1","1") = "6"
    & skf21("6","7","4","1","3","6","2","1") = "6"
    & skf21("6","7","4","1","3","6","3","1") = "6"
    & skf21("6","7","4","1","3","6","4","1") = "6"
    & skf21("6","7","4","1","3","6","5","1") = "6"
    & skf21("6","7","4","1","3","6","6","1") = "6"
    & skf21("6","7","4","1","3","6","7","1") = "6"
    & skf21("6","7","4","1","3","7","1","1") = "6"
    & skf21("6","7","4","1","3","7","2","1") = "6"
    & skf21("6","7","4","1","3","7","3","1") = "6"
    & skf21("6","7","4","1","3","7","4","1") = "6"
    & skf21("6","7","4","1","3","7","5","1") = "6"
    & skf21("6","7","4","1","3","7","6","1") = "6"
    & skf21("6","7","4","1","3","7","7","1") = "6"
    & skf21("6","7","4","1","4","1","1","1") = "6"
    & skf21("6","7","4","1","4","1","2","1") = "6"
    & skf21("6","7","4","1","4","1","3","1") = "6"
    & skf21("6","7","4","1","4","1","4","1") = "6"
    & skf21("6","7","4","1","4","1","5","1") = "6"
    & skf21("6","7","4","1","4","1","6","1") = "6"
    & skf21("6","7","4","1","4","1","7","1") = "6"
    & skf21("6","7","4","1","4","2","1","1") = "6"
    & skf21("6","7","4","1","4","2","2","1") = "6"
    & skf21("6","7","4","1","4","2","3","1") = "6"
    & skf21("6","7","4","1","4","2","4","1") = "6"
    & skf21("6","7","4","1","4","2","5","1") = "6"
    & skf21("6","7","4","1","4","2","6","1") = "6"
    & skf21("6","7","4","1","4","2","7","1") = "6"
    & skf21("6","7","4","1","4","3","1","1") = "6"
    & skf21("6","7","4","1","4","3","2","1") = "6"
    & skf21("6","7","4","1","4","3","3","1") = "6"
    & skf21("6","7","4","1","4","3","4","1") = "6"
    & skf21("6","7","4","1","4","3","5","1") = "6"
    & skf21("6","7","4","1","4","3","6","1") = "6"
    & skf21("6","7","4","1","4","3","7","1") = "6"
    & skf21("6","7","4","1","4","4","1","1") = "6"
    & skf21("6","7","4","1","4","4","2","1") = "6"
    & skf21("6","7","4","1","4","4","3","1") = "6"
    & skf21("6","7","4","1","4","4","4","1") = "6"
    & skf21("6","7","4","1","4","4","5","1") = "6"
    & skf21("6","7","4","1","4","4","6","1") = "6"
    & skf21("6","7","4","1","4","4","7","1") = "6"
    & skf21("6","7","4","1","4","5","1","1") = "6"
    & skf21("6","7","4","1","4","5","2","1") = "6"
    & skf21("6","7","4","1","4","5","3","1") = "6"
    & skf21("6","7","4","1","4","5","4","1") = "6"
    & skf21("6","7","4","1","4","5","5","1") = "6"
    & skf21("6","7","4","1","4","5","6","1") = "6"
    & skf21("6","7","4","1","4","5","7","1") = "6"
    & skf21("6","7","4","1","4","6","1","1") = "6"
    & skf21("6","7","4","1","4","6","2","1") = "6"
    & skf21("6","7","4","1","4","6","3","1") = "6"
    & skf21("6","7","4","1","4","6","4","1") = "6"
    & skf21("6","7","4","1","4","6","5","1") = "6"
    & skf21("6","7","4","1","4","6","6","1") = "6"
    & skf21("6","7","4","1","4","6","7","1") = "6"
    & skf21("6","7","4","1","4","7","1","1") = "6"
    & skf21("6","7","4","1","4","7","2","1") = "6"
    & skf21("6","7","4","1","4","7","3","1") = "6"
    & skf21("6","7","4","1","4","7","4","1") = "6"
    & skf21("6","7","4","1","4","7","5","1") = "6"
    & skf21("6","7","4","1","4","7","6","1") = "6"
    & skf21("6","7","4","1","4","7","7","1") = "6"
    & skf21("6","7","4","1","5","1","1","1") = "6"
    & skf21("6","7","4","1","5","1","2","1") = "6"
    & skf21("6","7","4","1","5","1","3","1") = "6"
    & skf21("6","7","4","1","5","1","4","1") = "6"
    & skf21("6","7","4","1","5","1","5","1") = "6"
    & skf21("6","7","4","1","5","1","6","1") = "6"
    & skf21("6","7","4","1","5","1","7","1") = "6"
    & skf21("6","7","4","1","5","2","1","1") = "6"
    & skf21("6","7","4","1","5","2","2","1") = "6"
    & skf21("6","7","4","1","5","2","3","1") = "6"
    & skf21("6","7","4","1","5","2","4","1") = "6"
    & skf21("6","7","4","1","5","2","5","1") = "6"
    & skf21("6","7","4","1","5","2","6","1") = "6"
    & skf21("6","7","4","1","5","2","7","1") = "6"
    & skf21("6","7","4","1","5","3","1","1") = "6"
    & skf21("6","7","4","1","5","3","2","1") = "6"
    & skf21("6","7","4","1","5","3","3","1") = "6"
    & skf21("6","7","4","1","5","3","4","1") = "6"
    & skf21("6","7","4","1","5","3","5","1") = "6"
    & skf21("6","7","4","1","5","3","6","1") = "6"
    & skf21("6","7","4","1","5","3","7","1") = "6"
    & skf21("6","7","4","1","5","4","1","1") = "6"
    & skf21("6","7","4","1","5","4","2","1") = "6"
    & skf21("6","7","4","1","5","4","3","1") = "6"
    & skf21("6","7","4","1","5","4","4","1") = "6"
    & skf21("6","7","4","1","5","4","5","1") = "6"
    & skf21("6","7","4","1","5","4","6","1") = "6"
    & skf21("6","7","4","1","5","4","7","1") = "6"
    & skf21("6","7","4","1","5","5","1","1") = "6"
    & skf21("6","7","4","1","5","5","2","1") = "6"
    & skf21("6","7","4","1","5","5","3","1") = "6"
    & skf21("6","7","4","1","5","5","4","1") = "6"
    & skf21("6","7","4","1","5","5","5","1") = "6"
    & skf21("6","7","4","1","5","5","6","1") = "6"
    & skf21("6","7","4","1","5","5","7","1") = "6"
    & skf21("6","7","4","1","5","6","1","1") = "6"
    & skf21("6","7","4","1","5","6","2","1") = "6"
    & skf21("6","7","4","1","5","6","3","1") = "6"
    & skf21("6","7","4","1","5","6","4","1") = "6"
    & skf21("6","7","4","1","5","6","5","1") = "6"
    & skf21("6","7","4","1","5","6","6","1") = "6"
    & skf21("6","7","4","1","5","6","7","1") = "6"
    & skf21("6","7","4","1","5","7","1","1") = "6"
    & skf21("6","7","4","1","5","7","2","1") = "6"
    & skf21("6","7","4","1","5","7","3","1") = "6"
    & skf21("6","7","4","1","5","7","4","1") = "6"
    & skf21("6","7","4","1","5","7","5","1") = "6"
    & skf21("6","7","4","1","5","7","6","1") = "6"
    & skf21("6","7","4","1","5","7","7","1") = "6"
    & skf21("6","7","4","1","6","1","1","1") = "6"
    & skf21("6","7","4","1","6","1","2","1") = "6"
    & skf21("6","7","4","1","6","1","3","1") = "6"
    & skf21("6","7","4","1","6","1","4","1") = "6"
    & skf21("6","7","4","1","6","1","5","1") = "6"
    & skf21("6","7","4","1","6","1","6","1") = "6"
    & skf21("6","7","4","1","6","1","7","1") = "6"
    & skf21("6","7","4","1","6","2","1","1") = "6"
    & skf21("6","7","4","1","6","2","2","1") = "6"
    & skf21("6","7","4","1","6","2","3","1") = "6"
    & skf21("6","7","4","1","6","2","4","1") = "6"
    & skf21("6","7","4","1","6","2","5","1") = "6"
    & skf21("6","7","4","1","6","2","6","1") = "6"
    & skf21("6","7","4","1","6","2","7","1") = "6"
    & skf21("6","7","4","1","6","3","1","1") = "6"
    & skf21("6","7","4","1","6","3","2","1") = "6"
    & skf21("6","7","4","1","6","3","3","1") = "6"
    & skf21("6","7","4","1","6","3","4","1") = "6"
    & skf21("6","7","4","1","6","3","5","1") = "6"
    & skf21("6","7","4","1","6","3","6","1") = "6"
    & skf21("6","7","4","1","6","3","7","1") = "6"
    & skf21("6","7","4","1","6","4","1","1") = "6"
    & skf21("6","7","4","1","6","4","2","1") = "6"
    & skf21("6","7","4","1","6","4","3","1") = "6"
    & skf21("6","7","4","1","6","4","4","1") = "6"
    & skf21("6","7","4","1","6","4","5","1") = "6"
    & skf21("6","7","4","1","6","4","6","1") = "6"
    & skf21("6","7","4","1","6","4","7","1") = "6"
    & skf21("6","7","4","1","6","5","1","1") = "6"
    & skf21("6","7","4","1","6","5","2","1") = "6"
    & skf21("6","7","4","1","6","5","3","1") = "6"
    & skf21("6","7","4","1","6","5","4","1") = "6"
    & skf21("6","7","4","1","6","5","5","1") = "6"
    & skf21("6","7","4","1","6","5","6","1") = "6"
    & skf21("6","7","4","1","6","5","7","1") = "6"
    & skf21("6","7","4","1","6","6","1","1") = "6"
    & skf21("6","7","4","1","6","6","2","1") = "6"
    & skf21("6","7","4","1","6","6","3","1") = "6"
    & skf21("6","7","4","1","6","6","4","1") = "6"
    & skf21("6","7","4","1","6","6","5","1") = "6"
    & skf21("6","7","4","1","6","6","6","1") = "6"
    & skf21("6","7","4","1","6","6","7","1") = "6"
    & skf21("6","7","4","1","6","7","1","1") = "6"
    & skf21("6","7","4","1","6","7","2","1") = "6"
    & skf21("6","7","4","1","6","7","3","1") = "6"
    & skf21("6","7","4","1","6","7","4","1") = "6"
    & skf21("6","7","4","1","6","7","5","1") = "6"
    & skf21("6","7","4","1","6","7","6","1") = "6"
    & skf21("6","7","4","1","6","7","7","1") = "6"
    & skf21("6","7","4","1","7","1","1","1") = "6"
    & skf21("6","7","4","1","7","1","2","1") = "6"
    & skf21("6","7","4","1","7","1","3","1") = "6"
    & skf21("6","7","4","1","7","1","4","1") = "6"
    & skf21("6","7","4","1","7","1","5","1") = "6"
    & skf21("6","7","4","1","7","1","6","1") = "6"
    & skf21("6","7","4","1","7","1","7","1") = "6"
    & skf21("6","7","4","1","7","2","1","1") = "6"
    & skf21("6","7","4","1","7","2","2","1") = "6"
    & skf21("6","7","4","1","7","2","3","1") = "6"
    & skf21("6","7","4","1","7","2","4","1") = "6"
    & skf21("6","7","4","1","7","2","5","1") = "6"
    & skf21("6","7","4","1","7","2","6","1") = "6"
    & skf21("6","7","4","1","7","2","7","1") = "6"
    & skf21("6","7","4","1","7","3","1","1") = "6"
    & skf21("6","7","4","1","7","3","2","1") = "6"
    & skf21("6","7","4","1","7","3","3","1") = "6"
    & skf21("6","7","4","1","7","3","4","1") = "6"
    & skf21("6","7","4","1","7","3","5","1") = "6"
    & skf21("6","7","4","1","7","3","6","1") = "6"
    & skf21("6","7","4","1","7","3","7","1") = "6"
    & skf21("6","7","4","1","7","4","1","1") = "6"
    & skf21("6","7","4","1","7","4","2","1") = "6"
    & skf21("6","7","4","1","7","4","3","1") = "6"
    & skf21("6","7","4","1","7","4","4","1") = "6"
    & skf21("6","7","4","1","7","4","5","1") = "6"
    & skf21("6","7","4","1","7","4","6","1") = "6"
    & skf21("6","7","4","1","7","4","7","1") = "6"
    & skf21("6","7","4","1","7","5","1","1") = "6"
    & skf21("6","7","4","1","7","5","2","1") = "6"
    & skf21("6","7","4","1","7","5","3","1") = "6"
    & skf21("6","7","4","1","7","5","4","1") = "6"
    & skf21("6","7","4","1","7","5","5","1") = "6"
    & skf21("6","7","4","1","7","5","6","1") = "6"
    & skf21("6","7","4","1","7","5","7","1") = "6"
    & skf21("6","7","4","1","7","6","1","1") = "6"
    & skf21("6","7","4","1","7","6","2","1") = "6"
    & skf21("6","7","4","1","7","6","3","1") = "6"
    & skf21("6","7","4","1","7","6","4","1") = "6"
    & skf21("6","7","4","1","7","6","5","1") = "6"
    & skf21("6","7","4","1","7","6","6","1") = "6"
    & skf21("6","7","4","1","7","6","7","1") = "6"
    & skf21("6","7","4","1","7","7","1","1") = "6"
    & skf21("6","7","4","1","7","7","2","1") = "6"
    & skf21("6","7","4","1","7","7","3","1") = "6"
    & skf21("6","7","4","1","7","7","4","1") = "6"
    & skf21("6","7","4","1","7","7","5","1") = "6"
    & skf21("6","7","4","1","7","7","6","1") = "6"
    & skf21("6","7","4","1","7","7","7","1") = "6"
    & skf21("6","7","4","2","1","1","1","1") = "6"
    & skf21("6","7","4","2","1","1","2","1") = "6"
    & skf21("6","7","4","2","1","1","3","1") = "6"
    & skf21("6","7","4","2","1","1","4","1") = "6"
    & skf21("6","7","4","2","1","1","5","1") = "6"
    & skf21("6","7","4","2","1","1","6","1") = "6"
    & skf21("6","7","4","2","1","1","7","1") = "6"
    & skf21("6","7","4","2","1","2","1","1") = "6"
    & skf21("6","7","4","2","1","2","2","1") = "6"
    & skf21("6","7","4","2","1","2","3","1") = "6"
    & skf21("6","7","4","2","1","2","4","1") = "6"
    & skf21("6","7","4","2","1","2","5","1") = "6"
    & skf21("6","7","4","2","1","2","6","1") = "6"
    & skf21("6","7","4","2","1","2","7","1") = "6"
    & skf21("6","7","4","2","1","3","1","1") = "6"
    & skf21("6","7","4","2","1","3","2","1") = "6"
    & skf21("6","7","4","2","1","3","3","1") = "6"
    & skf21("6","7","4","2","1","3","4","1") = "6"
    & skf21("6","7","4","2","1","3","5","1") = "6"
    & skf21("6","7","4","2","1","3","6","1") = "6"
    & skf21("6","7","4","2","1","3","7","1") = "6"
    & skf21("6","7","4","2","1","4","1","1") = "6"
    & skf21("6","7","4","2","1","4","2","1") = "6"
    & skf21("6","7","4","2","1","4","3","1") = "6"
    & skf21("6","7","4","2","1","4","4","1") = "6"
    & skf21("6","7","4","2","1","4","5","1") = "6"
    & skf21("6","7","4","2","1","4","6","1") = "6"
    & skf21("6","7","4","2","1","4","7","1") = "6"
    & skf21("6","7","4","2","1","5","1","1") = "6"
    & skf21("6","7","4","2","1","5","2","1") = "6"
    & skf21("6","7","4","2","1","5","3","1") = "6"
    & skf21("6","7","4","2","1","5","4","1") = "6"
    & skf21("6","7","4","2","1","5","5","1") = "6"
    & skf21("6","7","4","2","1","5","6","1") = "6"
    & skf21("6","7","4","2","1","5","7","1") = "6"
    & skf21("6","7","4","2","1","6","1","1") = "6"
    & skf21("6","7","4","2","1","6","2","1") = "6"
    & skf21("6","7","4","2","1","6","3","1") = "6"
    & skf21("6","7","4","2","1","6","4","1") = "6"
    & skf21("6","7","4","2","1","6","5","1") = "6"
    & skf21("6","7","4","2","1","6","6","1") = "6"
    & skf21("6","7","4","2","1","6","7","1") = "6"
    & skf21("6","7","4","2","1","7","1","1") = "6"
    & skf21("6","7","4","2","1","7","2","1") = "6"
    & skf21("6","7","4","2","1","7","3","1") = "6"
    & skf21("6","7","4","2","1","7","4","1") = "6"
    & skf21("6","7","4","2","1","7","5","1") = "6"
    & skf21("6","7","4","2","1","7","6","1") = "6"
    & skf21("6","7","4","2","1","7","7","1") = "6"
    & skf21("6","7","4","2","2","1","1","1") = "6"
    & skf21("6","7","4","2","2","1","2","1") = "6"
    & skf21("6","7","4","2","2","1","3","1") = "6"
    & skf21("6","7","4","2","2","1","4","1") = "6"
    & skf21("6","7","4","2","2","1","5","1") = "6"
    & skf21("6","7","4","2","2","1","6","1") = "6"
    & skf21("6","7","4","2","2","1","7","1") = "6"
    & skf21("6","7","4","2","2","2","1","1") = "6"
    & skf21("6","7","4","2","2","2","2","1") = "6"
    & skf21("6","7","4","2","2","2","3","1") = "6"
    & skf21("6","7","4","2","2","2","4","1") = "6"
    & skf21("6","7","4","2","2","2","5","1") = "6"
    & skf21("6","7","4","2","2","2","6","1") = "6"
    & skf21("6","7","4","2","2","2","7","1") = "6"
    & skf21("6","7","4","2","2","3","1","1") = "6"
    & skf21("6","7","4","2","2","3","2","1") = "6"
    & skf21("6","7","4","2","2","3","3","1") = "6"
    & skf21("6","7","4","2","2","3","4","1") = "6"
    & skf21("6","7","4","2","2","3","5","1") = "6"
    & skf21("6","7","4","2","2","3","6","1") = "6"
    & skf21("6","7","4","2","2","3","7","1") = "6"
    & skf21("6","7","4","2","2","4","1","1") = "6"
    & skf21("6","7","4","2","2","4","2","1") = "6"
    & skf21("6","7","4","2","2","4","3","1") = "6"
    & skf21("6","7","4","2","2","4","4","1") = "6"
    & skf21("6","7","4","2","2","4","5","1") = "6"
    & skf21("6","7","4","2","2","4","6","1") = "6"
    & skf21("6","7","4","2","2","4","7","1") = "6"
    & skf21("6","7","4","2","2","5","1","1") = "6"
    & skf21("6","7","4","2","2","5","2","1") = "6"
    & skf21("6","7","4","2","2","5","3","1") = "6"
    & skf21("6","7","4","2","2","5","4","1") = "6"
    & skf21("6","7","4","2","2","5","5","1") = "6"
    & skf21("6","7","4","2","2","5","6","1") = "6"
    & skf21("6","7","4","2","2","5","7","1") = "6"
    & skf21("6","7","4","2","2","6","1","1") = "6"
    & skf21("6","7","4","2","2","6","2","1") = "6"
    & skf21("6","7","4","2","2","6","3","1") = "6"
    & skf21("6","7","4","2","2","6","4","1") = "6"
    & skf21("6","7","4","2","2","6","5","1") = "6"
    & skf21("6","7","4","2","2","6","6","1") = "6"
    & skf21("6","7","4","2","2","6","7","1") = "6"
    & skf21("6","7","4","2","2","7","1","1") = "6"
    & skf21("6","7","4","2","2","7","2","1") = "6"
    & skf21("6","7","4","2","2","7","3","1") = "6"
    & skf21("6","7","4","2","2","7","4","1") = "6"
    & skf21("6","7","4","2","2","7","5","1") = "6"
    & skf21("6","7","4","2","2","7","6","1") = "6"
    & skf21("6","7","4","2","2","7","7","1") = "6"
    & skf21("6","7","4","2","3","1","1","1") = "6"
    & skf21("6","7","4","2","3","1","2","1") = "6"
    & skf21("6","7","4","2","3","1","3","1") = "6"
    & skf21("6","7","4","2","3","1","4","1") = "6"
    & skf21("6","7","4","2","3","1","5","1") = "6"
    & skf21("6","7","4","2","3","1","6","1") = "6"
    & skf21("6","7","4","2","3","1","7","1") = "6"
    & skf21("6","7","4","2","3","2","1","1") = "6"
    & skf21("6","7","4","2","3","2","2","1") = "6"
    & skf21("6","7","4","2","3","2","3","1") = "6"
    & skf21("6","7","4","2","3","2","4","1") = "6"
    & skf21("6","7","4","2","3","2","5","1") = "6"
    & skf21("6","7","4","2","3","2","6","1") = "6"
    & skf21("6","7","4","2","3","2","7","1") = "6"
    & skf21("6","7","4","2","3","3","1","1") = "6"
    & skf21("6","7","4","2","3","3","2","1") = "6"
    & skf21("6","7","4","2","3","3","3","1") = "6"
    & skf21("6","7","4","2","3","3","4","1") = "6"
    & skf21("6","7","4","2","3","3","5","1") = "6"
    & skf21("6","7","4","2","3","3","6","1") = "6"
    & skf21("6","7","4","2","3","3","7","1") = "6"
    & skf21("6","7","4","2","3","4","1","1") = "6"
    & skf21("6","7","4","2","3","4","2","1") = "6"
    & skf21("6","7","4","2","3","4","3","1") = "6"
    & skf21("6","7","4","2","3","4","4","1") = "6"
    & skf21("6","7","4","2","3","4","5","1") = "6"
    & skf21("6","7","4","2","3","4","6","1") = "6"
    & skf21("6","7","4","2","3","4","7","1") = "6"
    & skf21("6","7","4","2","3","5","1","1") = "6"
    & skf21("6","7","4","2","3","5","2","1") = "6"
    & skf21("6","7","4","2","3","5","3","1") = "6"
    & skf21("6","7","4","2","3","5","4","1") = "6"
    & skf21("6","7","4","2","3","5","5","1") = "6"
    & skf21("6","7","4","2","3","5","6","1") = "6"
    & skf21("6","7","4","2","3","5","7","1") = "6"
    & skf21("6","7","4","2","3","6","1","1") = "6"
    & skf21("6","7","4","2","3","6","2","1") = "6"
    & skf21("6","7","4","2","3","6","3","1") = "6"
    & skf21("6","7","4","2","3","6","4","1") = "6"
    & skf21("6","7","4","2","3","6","5","1") = "6"
    & skf21("6","7","4","2","3","6","6","1") = "6"
    & skf21("6","7","4","2","3","6","7","1") = "6"
    & skf21("6","7","4","2","3","7","1","1") = "6"
    & skf21("6","7","4","2","3","7","2","1") = "6"
    & skf21("6","7","4","2","3","7","3","1") = "6"
    & skf21("6","7","4","2","3","7","4","1") = "6"
    & skf21("6","7","4","2","3","7","5","1") = "6"
    & skf21("6","7","4","2","3","7","6","1") = "6"
    & skf21("6","7","4","2","3","7","7","1") = "6"
    & skf21("6","7","4","2","4","1","1","1") = "6"
    & skf21("6","7","4","2","4","1","2","1") = "6"
    & skf21("6","7","4","2","4","1","3","1") = "6"
    & skf21("6","7","4","2","4","1","4","1") = "6"
    & skf21("6","7","4","2","4","1","5","1") = "6"
    & skf21("6","7","4","2","4","1","6","1") = "6"
    & skf21("6","7","4","2","4","1","7","1") = "6"
    & skf21("6","7","4","2","4","2","1","1") = "6"
    & skf21("6","7","4","2","4","2","2","1") = "6"
    & skf21("6","7","4","2","4","2","3","1") = "6"
    & skf21("6","7","4","2","4","2","4","1") = "6"
    & skf21("6","7","4","2","4","2","5","1") = "6"
    & skf21("6","7","4","2","4","2","6","1") = "6"
    & skf21("6","7","4","2","4","2","7","1") = "6"
    & skf21("6","7","4","2","4","3","1","1") = "6"
    & skf21("6","7","4","2","4","3","2","1") = "6"
    & skf21("6","7","4","2","4","3","3","1") = "6"
    & skf21("6","7","4","2","4","3","4","1") = "6"
    & skf21("6","7","4","2","4","3","5","1") = "6"
    & skf21("6","7","4","2","4","3","6","1") = "6"
    & skf21("6","7","4","2","4","3","7","1") = "6"
    & skf21("6","7","4","2","4","4","1","1") = "6"
    & skf21("6","7","4","2","4","4","2","1") = "6"
    & skf21("6","7","4","2","4","4","3","1") = "6"
    & skf21("6","7","4","2","4","4","4","1") = "6"
    & skf21("6","7","4","2","4","4","5","1") = "6"
    & skf21("6","7","4","2","4","4","6","1") = "6"
    & skf21("6","7","4","2","4","4","7","1") = "6"
    & skf21("6","7","4","2","4","5","1","1") = "6"
    & skf21("6","7","4","2","4","5","2","1") = "6"
    & skf21("6","7","4","2","4","5","3","1") = "6"
    & skf21("6","7","4","2","4","5","4","1") = "6"
    & skf21("6","7","4","2","4","5","5","1") = "6"
    & skf21("6","7","4","2","4","5","6","1") = "6"
    & skf21("6","7","4","2","4","5","7","1") = "6"
    & skf21("6","7","4","2","4","6","1","1") = "6"
    & skf21("6","7","4","2","4","6","2","1") = "6"
    & skf21("6","7","4","2","4","6","3","1") = "6"
    & skf21("6","7","4","2","4","6","4","1") = "6"
    & skf21("6","7","4","2","4","6","5","1") = "6"
    & skf21("6","7","4","2","4","6","6","1") = "6"
    & skf21("6","7","4","2","4","6","7","1") = "6"
    & skf21("6","7","4","2","4","7","1","1") = "6"
    & skf21("6","7","4","2","4","7","2","1") = "6"
    & skf21("6","7","4","2","4","7","3","1") = "6"
    & skf21("6","7","4","2","4","7","4","1") = "6"
    & skf21("6","7","4","2","4","7","5","1") = "6"
    & skf21("6","7","4","2","4","7","6","1") = "6"
    & skf21("6","7","4","2","4","7","7","1") = "6"
    & skf21("6","7","4","2","5","1","1","1") = "6"
    & skf21("6","7","4","2","5","1","2","1") = "6"
    & skf21("6","7","4","2","5","1","3","1") = "6"
    & skf21("6","7","4","2","5","1","4","1") = "6"
    & skf21("6","7","4","2","5","1","5","1") = "6"
    & skf21("6","7","4","2","5","1","6","1") = "6"
    & skf21("6","7","4","2","5","1","7","1") = "6"
    & skf21("6","7","4","2","5","2","1","1") = "6"
    & skf21("6","7","4","2","5","2","2","1") = "6"
    & skf21("6","7","4","2","5","2","3","1") = "6"
    & skf21("6","7","4","2","5","2","4","1") = "6"
    & skf21("6","7","4","2","5","2","5","1") = "6"
    & skf21("6","7","4","2","5","2","6","1") = "6"
    & skf21("6","7","4","2","5","2","7","1") = "6"
    & skf21("6","7","4","2","5","3","1","1") = "6"
    & skf21("6","7","4","2","5","3","2","1") = "6"
    & skf21("6","7","4","2","5","3","3","1") = "6"
    & skf21("6","7","4","2","5","3","4","1") = "6"
    & skf21("6","7","4","2","5","3","5","1") = "6"
    & skf21("6","7","4","2","5","3","6","1") = "6"
    & skf21("6","7","4","2","5","3","7","1") = "6"
    & skf21("6","7","4","2","5","4","1","1") = "6"
    & skf21("6","7","4","2","5","4","2","1") = "6"
    & skf21("6","7","4","2","5","4","3","1") = "6"
    & skf21("6","7","4","2","5","4","4","1") = "6"
    & skf21("6","7","4","2","5","4","5","1") = "6"
    & skf21("6","7","4","2","5","4","6","1") = "6"
    & skf21("6","7","4","2","5","4","7","1") = "6"
    & skf21("6","7","4","2","5","5","1","1") = "6"
    & skf21("6","7","4","2","5","5","2","1") = "6"
    & skf21("6","7","4","2","5","5","3","1") = "6"
    & skf21("6","7","4","2","5","5","4","1") = "6"
    & skf21("6","7","4","2","5","5","5","1") = "6"
    & skf21("6","7","4","2","5","5","6","1") = "6"
    & skf21("6","7","4","2","5","5","7","1") = "6"
    & skf21("6","7","4","2","5","6","1","1") = "6"
    & skf21("6","7","4","2","5","6","2","1") = "6"
    & skf21("6","7","4","2","5","6","3","1") = "6"
    & skf21("6","7","4","2","5","6","4","1") = "6"
    & skf21("6","7","4","2","5","6","5","1") = "6"
    & skf21("6","7","4","2","5","6","6","1") = "6"
    & skf21("6","7","4","2","5","6","7","1") = "6"
    & skf21("6","7","4","2","5","7","1","1") = "6"
    & skf21("6","7","4","2","5","7","2","1") = "6"
    & skf21("6","7","4","2","5","7","3","1") = "6"
    & skf21("6","7","4","2","5","7","4","1") = "6"
    & skf21("6","7","4","2","5","7","5","1") = "6"
    & skf21("6","7","4","2","5","7","6","1") = "6"
    & skf21("6","7","4","2","5","7","7","1") = "6"
    & skf21("6","7","4","2","6","1","1","1") = "6"
    & skf21("6","7","4","2","6","1","2","1") = "6"
    & skf21("6","7","4","2","6","1","3","1") = "6"
    & skf21("6","7","4","2","6","1","4","1") = "6"
    & skf21("6","7","4","2","6","1","5","1") = "6"
    & skf21("6","7","4","2","6","1","6","1") = "6"
    & skf21("6","7","4","2","6","1","7","1") = "6"
    & skf21("6","7","4","2","6","2","1","1") = "6"
    & skf21("6","7","4","2","6","2","2","1") = "6"
    & skf21("6","7","4","2","6","2","3","1") = "6"
    & skf21("6","7","4","2","6","2","4","1") = "6"
    & skf21("6","7","4","2","6","2","5","1") = "6"
    & skf21("6","7","4","2","6","2","6","1") = "6"
    & skf21("6","7","4","2","6","2","7","1") = "6"
    & skf21("6","7","4","2","6","3","1","1") = "6"
    & skf21("6","7","4","2","6","3","2","1") = "6"
    & skf21("6","7","4","2","6","3","3","1") = "6"
    & skf21("6","7","4","2","6","3","4","1") = "6"
    & skf21("6","7","4","2","6","3","5","1") = "6"
    & skf21("6","7","4","2","6","3","6","1") = "6"
    & skf21("6","7","4","2","6","3","7","1") = "6"
    & skf21("6","7","4","2","6","4","1","1") = "6"
    & skf21("6","7","4","2","6","4","2","1") = "6"
    & skf21("6","7","4","2","6","4","3","1") = "6"
    & skf21("6","7","4","2","6","4","4","1") = "6"
    & skf21("6","7","4","2","6","4","5","1") = "6"
    & skf21("6","7","4","2","6","4","6","1") = "6"
    & skf21("6","7","4","2","6","4","7","1") = "6"
    & skf21("6","7","4","2","6","5","1","1") = "6"
    & skf21("6","7","4","2","6","5","2","1") = "6"
    & skf21("6","7","4","2","6","5","3","1") = "6"
    & skf21("6","7","4","2","6","5","4","1") = "6"
    & skf21("6","7","4","2","6","5","5","1") = "6"
    & skf21("6","7","4","2","6","5","6","1") = "6"
    & skf21("6","7","4","2","6","5","7","1") = "6"
    & skf21("6","7","4","2","6","6","1","1") = "6"
    & skf21("6","7","4","2","6","6","2","1") = "6"
    & skf21("6","7","4","2","6","6","3","1") = "6"
    & skf21("6","7","4","2","6","6","4","1") = "6"
    & skf21("6","7","4","2","6","6","5","1") = "6"
    & skf21("6","7","4","2","6","6","6","1") = "6"
    & skf21("6","7","4","2","6","6","7","1") = "6"
    & skf21("6","7","4","2","6","7","1","1") = "6"
    & skf21("6","7","4","2","6","7","2","1") = "6"
    & skf21("6","7","4","2","6","7","3","1") = "6"
    & skf21("6","7","4","2","6","7","4","1") = "6"
    & skf21("6","7","4","2","6","7","5","1") = "6"
    & skf21("6","7","4","2","6","7","6","1") = "6"
    & skf21("6","7","4","2","6","7","7","1") = "6"
    & skf21("6","7","4","2","7","1","1","1") = "6"
    & skf21("6","7","4","2","7","1","2","1") = "6"
    & skf21("6","7","4","2","7","1","3","1") = "6"
    & skf21("6","7","4","2","7","1","4","1") = "6"
    & skf21("6","7","4","2","7","1","5","1") = "6"
    & skf21("6","7","4","2","7","1","6","1") = "6"
    & skf21("6","7","4","2","7","1","7","1") = "6"
    & skf21("6","7","4","2","7","2","1","1") = "6"
    & skf21("6","7","4","2","7","2","2","1") = "6"
    & skf21("6","7","4","2","7","2","3","1") = "6"
    & skf21("6","7","4","2","7","2","4","1") = "6"
    & skf21("6","7","4","2","7","2","5","1") = "6"
    & skf21("6","7","4","2","7","2","6","1") = "6"
    & skf21("6","7","4","2","7","2","7","1") = "6"
    & skf21("6","7","4","2","7","3","1","1") = "6"
    & skf21("6","7","4","2","7","3","2","1") = "6"
    & skf21("6","7","4","2","7","3","3","1") = "6"
    & skf21("6","7","4","2","7","3","4","1") = "6"
    & skf21("6","7","4","2","7","3","5","1") = "6"
    & skf21("6","7","4","2","7","3","6","1") = "6"
    & skf21("6","7","4","2","7","3","7","1") = "6"
    & skf21("6","7","4","2","7","4","1","1") = "6"
    & skf21("6","7","4","2","7","4","2","1") = "6"
    & skf21("6","7","4","2","7","4","3","1") = "6"
    & skf21("6","7","4","2","7","4","4","1") = "6"
    & skf21("6","7","4","2","7","4","5","1") = "6"
    & skf21("6","7","4","2","7","4","6","1") = "6"
    & skf21("6","7","4","2","7","4","7","1") = "6"
    & skf21("6","7","4","2","7","5","1","1") = "6"
    & skf21("6","7","4","2","7","5","2","1") = "6"
    & skf21("6","7","4","2","7","5","3","1") = "6"
    & skf21("6","7","4","2","7","5","4","1") = "6"
    & skf21("6","7","4","2","7","5","5","1") = "6"
    & skf21("6","7","4","2","7","5","6","1") = "6"
    & skf21("6","7","4","2","7","5","7","1") = "6"
    & skf21("6","7","4","2","7","6","1","1") = "6"
    & skf21("6","7","4","2","7","6","2","1") = "6"
    & skf21("6","7","4","2","7","6","3","1") = "6"
    & skf21("6","7","4","2","7","6","4","1") = "6"
    & skf21("6","7","4","2","7","6","5","1") = "6"
    & skf21("6","7","4","2","7","6","6","1") = "6"
    & skf21("6","7","4","2","7","6","7","1") = "6"
    & skf21("6","7","4","2","7","7","1","1") = "6"
    & skf21("6","7","4","2","7","7","2","1") = "6"
    & skf21("6","7","4","2","7","7","3","1") = "6"
    & skf21("6","7","4","2","7","7","4","1") = "6"
    & skf21("6","7","4","2","7","7","5","1") = "6"
    & skf21("6","7","4","2","7","7","6","1") = "6"
    & skf21("6","7","4","2","7","7","7","1") = "6"
    & skf21("6","7","4","3","1","1","1","1") = "6"
    & skf21("6","7","4","3","1","1","2","1") = "6"
    & skf21("6","7","4","3","1","1","3","1") = "6"
    & skf21("6","7","4","3","1","1","4","1") = "6"
    & skf21("6","7","4","3","1","1","5","1") = "6"
    & skf21("6","7","4","3","1","1","6","1") = "6"
    & skf21("6","7","4","3","1","1","7","1") = "6"
    & skf21("6","7","4","3","1","2","1","1") = "6"
    & skf21("6","7","4","3","1","2","2","1") = "6"
    & skf21("6","7","4","3","1","2","3","1") = "6"
    & skf21("6","7","4","3","1","2","4","1") = "6"
    & skf21("6","7","4","3","1","2","5","1") = "6"
    & skf21("6","7","4","3","1","2","6","1") = "6"
    & skf21("6","7","4","3","1","2","7","1") = "6"
    & skf21("6","7","4","3","1","3","1","1") = "6"
    & skf21("6","7","4","3","1","3","2","1") = "6"
    & skf21("6","7","4","3","1","3","3","1") = "6"
    & skf21("6","7","4","3","1","3","4","1") = "6"
    & skf21("6","7","4","3","1","3","5","1") = "6"
    & skf21("6","7","4","3","1","3","6","1") = "6"
    & skf21("6","7","4","3","1","3","7","1") = "6"
    & skf21("6","7","4","3","1","4","1","1") = "6"
    & skf21("6","7","4","3","1","4","2","1") = "6"
    & skf21("6","7","4","3","1","4","3","1") = "6"
    & skf21("6","7","4","3","1","4","4","1") = "6"
    & skf21("6","7","4","3","1","4","5","1") = "6"
    & skf21("6","7","4","3","1","4","6","1") = "6"
    & skf21("6","7","4","3","1","4","7","1") = "6"
    & skf21("6","7","4","3","1","5","1","1") = "6"
    & skf21("6","7","4","3","1","5","2","1") = "6"
    & skf21("6","7","4","3","1","5","3","1") = "6"
    & skf21("6","7","4","3","1","5","4","1") = "6"
    & skf21("6","7","4","3","1","5","5","1") = "6"
    & skf21("6","7","4","3","1","5","6","1") = "6"
    & skf21("6","7","4","3","1","5","7","1") = "6"
    & skf21("6","7","4","3","1","6","1","1") = "6"
    & skf21("6","7","4","3","1","6","2","1") = "6"
    & skf21("6","7","4","3","1","6","3","1") = "6"
    & skf21("6","7","4","3","1","6","4","1") = "6"
    & skf21("6","7","4","3","1","6","5","1") = "6"
    & skf21("6","7","4","3","1","6","6","1") = "6"
    & skf21("6","7","4","3","1","6","7","1") = "6"
    & skf21("6","7","4","3","1","7","1","1") = "6"
    & skf21("6","7","4","3","1","7","2","1") = "6"
    & skf21("6","7","4","3","1","7","3","1") = "6"
    & skf21("6","7","4","3","1","7","4","1") = "6"
    & skf21("6","7","4","3","1","7","5","1") = "6"
    & skf21("6","7","4","3","1","7","6","1") = "6"
    & skf21("6","7","4","3","1","7","7","1") = "6"
    & skf21("6","7","4","3","2","1","1","1") = "6"
    & skf21("6","7","4","3","2","1","2","1") = "6"
    & skf21("6","7","4","3","2","1","3","1") = "6"
    & skf21("6","7","4","3","2","1","4","1") = "6"
    & skf21("6","7","4","3","2","1","5","1") = "6"
    & skf21("6","7","4","3","2","1","6","1") = "6"
    & skf21("6","7","4","3","2","1","7","1") = "6"
    & skf21("6","7","4","3","2","2","1","1") = "6"
    & skf21("6","7","4","3","2","2","2","1") = "6"
    & skf21("6","7","4","3","2","2","3","1") = "6"
    & skf21("6","7","4","3","2","2","4","1") = "6"
    & skf21("6","7","4","3","2","2","5","1") = "6"
    & skf21("6","7","4","3","2","2","6","1") = "6"
    & skf21("6","7","4","3","2","2","7","1") = "6"
    & skf21("6","7","4","3","2","3","1","1") = "6"
    & skf21("6","7","4","3","2","3","2","1") = "6"
    & skf21("6","7","4","3","2","3","3","1") = "6"
    & skf21("6","7","4","3","2","3","4","1") = "6"
    & skf21("6","7","4","3","2","3","5","1") = "6"
    & skf21("6","7","4","3","2","3","6","1") = "6"
    & skf21("6","7","4","3","2","3","7","1") = "6"
    & skf21("6","7","4","3","2","4","1","1") = "6"
    & skf21("6","7","4","3","2","4","2","1") = "6"
    & skf21("6","7","4","3","2","4","3","1") = "6"
    & skf21("6","7","4","3","2","4","4","1") = "6"
    & skf21("6","7","4","3","2","4","5","1") = "6"
    & skf21("6","7","4","3","2","4","6","1") = "6"
    & skf21("6","7","4","3","2","4","7","1") = "6"
    & skf21("6","7","4","3","2","5","1","1") = "6"
    & skf21("6","7","4","3","2","5","2","1") = "6"
    & skf21("6","7","4","3","2","5","3","1") = "6"
    & skf21("6","7","4","3","2","5","4","1") = "6"
    & skf21("6","7","4","3","2","5","5","1") = "6"
    & skf21("6","7","4","3","2","5","6","1") = "6"
    & skf21("6","7","4","3","2","5","7","1") = "6"
    & skf21("6","7","4","3","2","6","1","1") = "6"
    & skf21("6","7","4","3","2","6","2","1") = "6"
    & skf21("6","7","4","3","2","6","3","1") = "6"
    & skf21("6","7","4","3","2","6","4","1") = "6"
    & skf21("6","7","4","3","2","6","5","1") = "6"
    & skf21("6","7","4","3","2","6","6","1") = "6"
    & skf21("6","7","4","3","2","6","7","1") = "6"
    & skf21("6","7","4","3","2","7","1","1") = "6"
    & skf21("6","7","4","3","2","7","2","1") = "6"
    & skf21("6","7","4","3","2","7","3","1") = "6"
    & skf21("6","7","4","3","2","7","4","1") = "6"
    & skf21("6","7","4","3","2","7","5","1") = "6"
    & skf21("6","7","4","3","2","7","6","1") = "6"
    & skf21("6","7","4","3","2","7","7","1") = "6"
    & skf21("6","7","4","3","3","1","1","1") = "6"
    & skf21("6","7","4","3","3","1","2","1") = "6"
    & skf21("6","7","4","3","3","1","3","1") = "6"
    & skf21("6","7","4","3","3","1","4","1") = "6"
    & skf21("6","7","4","3","3","1","5","1") = "6"
    & skf21("6","7","4","3","3","1","6","1") = "6"
    & skf21("6","7","4","3","3","1","7","1") = "6"
    & skf21("6","7","4","3","3","2","1","1") = "6"
    & skf21("6","7","4","3","3","2","2","1") = "6"
    & skf21("6","7","4","3","3","2","3","1") = "6"
    & skf21("6","7","4","3","3","2","4","1") = "6"
    & skf21("6","7","4","3","3","2","5","1") = "6"
    & skf21("6","7","4","3","3","2","6","1") = "6"
    & skf21("6","7","4","3","3","2","7","1") = "6"
    & skf21("6","7","4","3","3","3","1","1") = "6"
    & skf21("6","7","4","3","3","3","2","1") = "6"
    & skf21("6","7","4","3","3","3","3","1") = "6"
    & skf21("6","7","4","3","3","3","4","1") = "6"
    & skf21("6","7","4","3","3","3","5","1") = "6"
    & skf21("6","7","4","3","3","3","6","1") = "6"
    & skf21("6","7","4","3","3","3","7","1") = "6"
    & skf21("6","7","4","3","3","4","1","1") = "6"
    & skf21("6","7","4","3","3","4","2","1") = "6"
    & skf21("6","7","4","3","3","4","3","1") = "6"
    & skf21("6","7","4","3","3","4","4","1") = "6"
    & skf21("6","7","4","3","3","4","5","1") = "6"
    & skf21("6","7","4","3","3","4","6","1") = "6"
    & skf21("6","7","4","3","3","4","7","1") = "6"
    & skf21("6","7","4","3","3","5","1","1") = "6"
    & skf21("6","7","4","3","3","5","2","1") = "6"
    & skf21("6","7","4","3","3","5","3","1") = "6"
    & skf21("6","7","4","3","3","5","4","1") = "6"
    & skf21("6","7","4","3","3","5","5","1") = "6"
    & skf21("6","7","4","3","3","5","6","1") = "6"
    & skf21("6","7","4","3","3","5","7","1") = "6"
    & skf21("6","7","4","3","3","6","1","1") = "6"
    & skf21("6","7","4","3","3","6","2","1") = "6"
    & skf21("6","7","4","3","3","6","3","1") = "6"
    & skf21("6","7","4","3","3","6","4","1") = "6"
    & skf21("6","7","4","3","3","6","5","1") = "6"
    & skf21("6","7","4","3","3","6","6","1") = "6"
    & skf21("6","7","4","3","3","6","7","1") = "6"
    & skf21("6","7","4","3","3","7","1","1") = "6"
    & skf21("6","7","4","3","3","7","2","1") = "6"
    & skf21("6","7","4","3","3","7","3","1") = "6"
    & skf21("6","7","4","3","3","7","4","1") = "6"
    & skf21("6","7","4","3","3","7","5","1") = "6"
    & skf21("6","7","4","3","3","7","6","1") = "6"
    & skf21("6","7","4","3","3","7","7","1") = "6"
    & skf21("6","7","4","3","4","1","1","1") = "6"
    & skf21("6","7","4","3","4","1","2","1") = "6"
    & skf21("6","7","4","3","4","1","3","1") = "6"
    & skf21("6","7","4","3","4","1","4","1") = "6"
    & skf21("6","7","4","3","4","1","5","1") = "6"
    & skf21("6","7","4","3","4","1","6","1") = "6"
    & skf21("6","7","4","3","4","1","7","1") = "6"
    & skf21("6","7","4","3","4","2","1","1") = "6"
    & skf21("6","7","4","3","4","2","2","1") = "6"
    & skf21("6","7","4","3","4","2","3","1") = "6"
    & skf21("6","7","4","3","4","2","4","1") = "6"
    & skf21("6","7","4","3","4","2","5","1") = "6"
    & skf21("6","7","4","3","4","2","6","1") = "6"
    & skf21("6","7","4","3","4","2","7","1") = "6"
    & skf21("6","7","4","3","4","3","1","1") = "6"
    & skf21("6","7","4","3","4","3","2","1") = "6"
    & skf21("6","7","4","3","4","3","3","1") = "6"
    & skf21("6","7","4","3","4","3","4","1") = "6"
    & skf21("6","7","4","3","4","3","5","1") = "6"
    & skf21("6","7","4","3","4","3","6","1") = "6"
    & skf21("6","7","4","3","4","3","7","1") = "6"
    & skf21("6","7","4","3","4","4","1","1") = "6"
    & skf21("6","7","4","3","4","4","2","1") = "6"
    & skf21("6","7","4","3","4","4","3","1") = "6"
    & skf21("6","7","4","3","4","4","4","1") = "6"
    & skf21("6","7","4","3","4","4","5","1") = "6"
    & skf21("6","7","4","3","4","4","6","1") = "6"
    & skf21("6","7","4","3","4","4","7","1") = "6"
    & skf21("6","7","4","3","4","5","1","1") = "6"
    & skf21("6","7","4","3","4","5","2","1") = "6"
    & skf21("6","7","4","3","4","5","3","1") = "6"
    & skf21("6","7","4","3","4","5","4","1") = "6"
    & skf21("6","7","4","3","4","5","5","1") = "6"
    & skf21("6","7","4","3","4","5","6","1") = "6"
    & skf21("6","7","4","3","4","5","7","1") = "6"
    & skf21("6","7","4","3","4","6","1","1") = "6"
    & skf21("6","7","4","3","4","6","2","1") = "6"
    & skf21("6","7","4","3","4","6","3","1") = "6"
    & skf21("6","7","4","3","4","6","4","1") = "6"
    & skf21("6","7","4","3","4","6","5","1") = "6"
    & skf21("6","7","4","3","4","6","6","1") = "6"
    & skf21("6","7","4","3","4","6","7","1") = "6"
    & skf21("6","7","4","3","4","7","1","1") = "6"
    & skf21("6","7","4","3","4","7","2","1") = "6"
    & skf21("6","7","4","3","4","7","3","1") = "6"
    & skf21("6","7","4","3","4","7","4","1") = "6"
    & skf21("6","7","4","3","4","7","5","1") = "6"
    & skf21("6","7","4","3","4","7","6","1") = "6"
    & skf21("6","7","4","3","4","7","7","1") = "6"
    & skf21("6","7","4","3","5","1","1","1") = "6"
    & skf21("6","7","4","3","5","1","2","1") = "6"
    & skf21("6","7","4","3","5","1","3","1") = "6"
    & skf21("6","7","4","3","5","1","4","1") = "6"
    & skf21("6","7","4","3","5","1","5","1") = "6"
    & skf21("6","7","4","3","5","1","6","1") = "6"
    & skf21("6","7","4","3","5","1","7","1") = "6"
    & skf21("6","7","4","3","5","2","1","1") = "6"
    & skf21("6","7","4","3","5","2","2","1") = "6"
    & skf21("6","7","4","3","5","2","3","1") = "6"
    & skf21("6","7","4","3","5","2","4","1") = "6"
    & skf21("6","7","4","3","5","2","5","1") = "6"
    & skf21("6","7","4","3","5","2","6","1") = "6"
    & skf21("6","7","4","3","5","2","7","1") = "6"
    & skf21("6","7","4","3","5","3","1","1") = "6"
    & skf21("6","7","4","3","5","3","2","1") = "6"
    & skf21("6","7","4","3","5","3","3","1") = "6"
    & skf21("6","7","4","3","5","3","4","1") = "6"
    & skf21("6","7","4","3","5","3","5","1") = "6"
    & skf21("6","7","4","3","5","3","6","1") = "6"
    & skf21("6","7","4","3","5","3","7","1") = "6"
    & skf21("6","7","4","3","5","4","1","1") = "6"
    & skf21("6","7","4","3","5","4","2","1") = "6"
    & skf21("6","7","4","3","5","4","3","1") = "6"
    & skf21("6","7","4","3","5","4","4","1") = "6"
    & skf21("6","7","4","3","5","4","5","1") = "6"
    & skf21("6","7","4","3","5","4","6","1") = "6"
    & skf21("6","7","4","3","5","4","7","1") = "6"
    & skf21("6","7","4","3","5","5","1","1") = "6"
    & skf21("6","7","4","3","5","5","2","1") = "6"
    & skf21("6","7","4","3","5","5","3","1") = "6"
    & skf21("6","7","4","3","5","5","4","1") = "6"
    & skf21("6","7","4","3","5","5","5","1") = "6"
    & skf21("6","7","4","3","5","5","6","1") = "6"
    & skf21("6","7","4","3","5","5","7","1") = "6"
    & skf21("6","7","4","3","5","6","1","1") = "6"
    & skf21("6","7","4","3","5","6","2","1") = "6"
    & skf21("6","7","4","3","5","6","3","1") = "6"
    & skf21("6","7","4","3","5","6","4","1") = "6"
    & skf21("6","7","4","3","5","6","5","1") = "6"
    & skf21("6","7","4","3","5","6","6","1") = "6"
    & skf21("6","7","4","3","5","6","7","1") = "6"
    & skf21("6","7","4","3","5","7","1","1") = "6"
    & skf21("6","7","4","3","5","7","2","1") = "6"
    & skf21("6","7","4","3","5","7","3","1") = "6"
    & skf21("6","7","4","3","5","7","4","1") = "6"
    & skf21("6","7","4","3","5","7","5","1") = "6"
    & skf21("6","7","4","3","5","7","6","1") = "6"
    & skf21("6","7","4","3","5","7","7","1") = "6"
    & skf21("6","7","4","3","6","1","1","1") = "6"
    & skf21("6","7","4","3","6","1","2","1") = "6"
    & skf21("6","7","4","3","6","1","3","1") = "6"
    & skf21("6","7","4","3","6","1","4","1") = "6"
    & skf21("6","7","4","3","6","1","5","1") = "6"
    & skf21("6","7","4","3","6","1","6","1") = "6"
    & skf21("6","7","4","3","6","1","7","1") = "6"
    & skf21("6","7","4","3","6","2","1","1") = "6"
    & skf21("6","7","4","3","6","2","2","1") = "6"
    & skf21("6","7","4","3","6","2","3","1") = "6"
    & skf21("6","7","4","3","6","2","4","1") = "6"
    & skf21("6","7","4","3","6","2","5","1") = "6"
    & skf21("6","7","4","3","6","2","6","1") = "6"
    & skf21("6","7","4","3","6","2","7","1") = "6"
    & skf21("6","7","4","3","6","3","1","1") = "6"
    & skf21("6","7","4","3","6","3","2","1") = "6"
    & skf21("6","7","4","3","6","3","3","1") = "6"
    & skf21("6","7","4","3","6","3","4","1") = "6"
    & skf21("6","7","4","3","6","3","5","1") = "6"
    & skf21("6","7","4","3","6","3","6","1") = "6"
    & skf21("6","7","4","3","6","3","7","1") = "6"
    & skf21("6","7","4","3","6","4","1","1") = "6"
    & skf21("6","7","4","3","6","4","2","1") = "6"
    & skf21("6","7","4","3","6","4","3","1") = "6"
    & skf21("6","7","4","3","6","4","4","1") = "6"
    & skf21("6","7","4","3","6","4","5","1") = "6"
    & skf21("6","7","4","3","6","4","6","1") = "6"
    & skf21("6","7","4","3","6","4","7","1") = "6"
    & skf21("6","7","4","3","6","5","1","1") = "6"
    & skf21("6","7","4","3","6","5","2","1") = "6"
    & skf21("6","7","4","3","6","5","3","1") = "6"
    & skf21("6","7","4","3","6","5","4","1") = "6"
    & skf21("6","7","4","3","6","5","5","1") = "6"
    & skf21("6","7","4","3","6","5","6","1") = "6"
    & skf21("6","7","4","3","6","5","7","1") = "6"
    & skf21("6","7","4","3","6","6","1","1") = "6"
    & skf21("6","7","4","3","6","6","2","1") = "6"
    & skf21("6","7","4","3","6","6","3","1") = "6"
    & skf21("6","7","4","3","6","6","4","1") = "6"
    & skf21("6","7","4","3","6","6","5","1") = "6"
    & skf21("6","7","4","3","6","6","6","1") = "6"
    & skf21("6","7","4","3","6","6","7","1") = "6"
    & skf21("6","7","4","3","6","7","1","1") = "6"
    & skf21("6","7","4","3","6","7","2","1") = "6"
    & skf21("6","7","4","3","6","7","3","1") = "6"
    & skf21("6","7","4","3","6","7","4","1") = "6"
    & skf21("6","7","4","3","6","7","5","1") = "6"
    & skf21("6","7","4","3","6","7","6","1") = "6"
    & skf21("6","7","4","3","6","7","7","1") = "6"
    & skf21("6","7","4","3","7","1","1","1") = "6"
    & skf21("6","7","4","3","7","1","2","1") = "6"
    & skf21("6","7","4","3","7","1","3","1") = "6"
    & skf21("6","7","4","3","7","1","4","1") = "6"
    & skf21("6","7","4","3","7","1","5","1") = "6"
    & skf21("6","7","4","3","7","1","6","1") = "6"
    & skf21("6","7","4","3","7","1","7","1") = "6"
    & skf21("6","7","4","3","7","2","1","1") = "6"
    & skf21("6","7","4","3","7","2","2","1") = "6"
    & skf21("6","7","4","3","7","2","3","1") = "6"
    & skf21("6","7","4","3","7","2","4","1") = "6"
    & skf21("6","7","4","3","7","2","5","1") = "6"
    & skf21("6","7","4","3","7","2","6","1") = "6"
    & skf21("6","7","4","3","7","2","7","1") = "6"
    & skf21("6","7","4","3","7","3","1","1") = "6"
    & skf21("6","7","4","3","7","3","2","1") = "6"
    & skf21("6","7","4","3","7","3","3","1") = "6"
    & skf21("6","7","4","3","7","3","4","1") = "6"
    & skf21("6","7","4","3","7","3","5","1") = "6"
    & skf21("6","7","4","3","7","3","6","1") = "6"
    & skf21("6","7","4","3","7","3","7","1") = "6"
    & skf21("6","7","4","3","7","4","1","1") = "6"
    & skf21("6","7","4","3","7","4","2","1") = "6"
    & skf21("6","7","4","3","7","4","3","1") = "6"
    & skf21("6","7","4","3","7","4","4","1") = "6"
    & skf21("6","7","4","3","7","4","5","1") = "6"
    & skf21("6","7","4","3","7","4","6","1") = "6"
    & skf21("6","7","4","3","7","4","7","1") = "6"
    & skf21("6","7","4","3","7","5","1","1") = "6"
    & skf21("6","7","4","3","7","5","2","1") = "6"
    & skf21("6","7","4","3","7","5","3","1") = "6"
    & skf21("6","7","4","3","7","5","4","1") = "6"
    & skf21("6","7","4","3","7","5","5","1") = "6"
    & skf21("6","7","4","3","7","5","6","1") = "6"
    & skf21("6","7","4","3","7","5","7","1") = "6"
    & skf21("6","7","4","3","7","6","1","1") = "6"
    & skf21("6","7","4","3","7","6","2","1") = "6"
    & skf21("6","7","4","3","7","6","3","1") = "6"
    & skf21("6","7","4","3","7","6","4","1") = "6"
    & skf21("6","7","4","3","7","6","5","1") = "6"
    & skf21("6","7","4","3","7","6","6","1") = "6"
    & skf21("6","7","4","3","7","6","7","1") = "6"
    & skf21("6","7","4","3","7","7","1","1") = "6"
    & skf21("6","7","4","3","7","7","2","1") = "6"
    & skf21("6","7","4","3","7","7","3","1") = "6"
    & skf21("6","7","4","3","7","7","4","1") = "6"
    & skf21("6","7","4","3","7","7","5","1") = "6"
    & skf21("6","7","4","3","7","7","6","1") = "6"
    & skf21("6","7","4","3","7","7","7","1") = "6"
    & skf21("6","7","4","4","1","1","1","1") = "6"
    & skf21("6","7","4","4","1","1","2","1") = "6"
    & skf21("6","7","4","4","1","1","3","1") = "6"
    & skf21("6","7","4","4","1","1","4","1") = "6"
    & skf21("6","7","4","4","1","1","5","1") = "6"
    & skf21("6","7","4","4","1","1","6","1") = "6"
    & skf21("6","7","4","4","1","1","7","1") = "6"
    & skf21("6","7","4","4","1","2","1","1") = "6"
    & skf21("6","7","4","4","1","2","2","1") = "6"
    & skf21("6","7","4","4","1","2","3","1") = "6"
    & skf21("6","7","4","4","1","2","4","1") = "6"
    & skf21("6","7","4","4","1","2","5","1") = "6"
    & skf21("6","7","4","4","1","2","6","1") = "6"
    & skf21("6","7","4","4","1","2","7","1") = "6"
    & skf21("6","7","4","4","1","3","1","1") = "6"
    & skf21("6","7","4","4","1","3","2","1") = "6"
    & skf21("6","7","4","4","1","3","3","1") = "6"
    & skf21("6","7","4","4","1","3","4","1") = "6"
    & skf21("6","7","4","4","1","3","5","1") = "6"
    & skf21("6","7","4","4","1","3","6","1") = "6"
    & skf21("6","7","4","4","1","3","7","1") = "6"
    & skf21("6","7","4","4","1","4","1","1") = "6"
    & skf21("6","7","4","4","1","4","2","1") = "6"
    & skf21("6","7","4","4","1","4","3","1") = "6"
    & skf21("6","7","4","4","1","4","4","1") = "6"
    & skf21("6","7","4","4","1","4","5","1") = "6"
    & skf21("6","7","4","4","1","4","6","1") = "6"
    & skf21("6","7","4","4","1","4","7","1") = "6"
    & skf21("6","7","4","4","1","5","1","1") = "6"
    & skf21("6","7","4","4","1","5","2","1") = "6"
    & skf21("6","7","4","4","1","5","3","1") = "6"
    & skf21("6","7","4","4","1","5","4","1") = "6"
    & skf21("6","7","4","4","1","5","5","1") = "6"
    & skf21("6","7","4","4","1","5","6","1") = "6"
    & skf21("6","7","4","4","1","5","7","1") = "6"
    & skf21("6","7","4","4","1","6","1","1") = "6"
    & skf21("6","7","4","4","1","6","2","1") = "6"
    & skf21("6","7","4","4","1","6","3","1") = "6"
    & skf21("6","7","4","4","1","6","4","1") = "6"
    & skf21("6","7","4","4","1","6","5","1") = "6"
    & skf21("6","7","4","4","1","6","6","1") = "6"
    & skf21("6","7","4","4","1","6","7","1") = "6"
    & skf21("6","7","4","4","1","7","1","1") = "6"
    & skf21("6","7","4","4","1","7","2","1") = "6"
    & skf21("6","7","4","4","1","7","3","1") = "6"
    & skf21("6","7","4","4","1","7","4","1") = "6"
    & skf21("6","7","4","4","1","7","5","1") = "6"
    & skf21("6","7","4","4","1","7","6","1") = "6"
    & skf21("6","7","4","4","1","7","7","1") = "6"
    & skf21("6","7","4","4","2","1","1","1") = "6"
    & skf21("6","7","4","4","2","1","2","1") = "6"
    & skf21("6","7","4","4","2","1","3","1") = "6"
    & skf21("6","7","4","4","2","1","4","1") = "6"
    & skf21("6","7","4","4","2","1","5","1") = "6"
    & skf21("6","7","4","4","2","1","6","1") = "6"
    & skf21("6","7","4","4","2","1","7","1") = "6"
    & skf21("6","7","4","4","2","2","1","1") = "6"
    & skf21("6","7","4","4","2","2","2","1") = "6"
    & skf21("6","7","4","4","2","2","3","1") = "6"
    & skf21("6","7","4","4","2","2","4","1") = "6"
    & skf21("6","7","4","4","2","2","5","1") = "6"
    & skf21("6","7","4","4","2","2","6","1") = "6"
    & skf21("6","7","4","4","2","2","7","1") = "6"
    & skf21("6","7","4","4","2","3","1","1") = "6"
    & skf21("6","7","4","4","2","3","2","1") = "6"
    & skf21("6","7","4","4","2","3","3","1") = "6"
    & skf21("6","7","4","4","2","3","4","1") = "6"
    & skf21("6","7","4","4","2","3","5","1") = "6"
    & skf21("6","7","4","4","2","3","6","1") = "6"
    & skf21("6","7","4","4","2","3","7","1") = "6"
    & skf21("6","7","4","4","2","4","1","1") = "6"
    & skf21("6","7","4","4","2","4","2","1") = "6"
    & skf21("6","7","4","4","2","4","3","1") = "6"
    & skf21("6","7","4","4","2","4","4","1") = "6"
    & skf21("6","7","4","4","2","4","5","1") = "6"
    & skf21("6","7","4","4","2","4","6","1") = "6"
    & skf21("6","7","4","4","2","4","7","1") = "6"
    & skf21("6","7","4","4","2","5","1","1") = "6"
    & skf21("6","7","4","4","2","5","2","1") = "6"
    & skf21("6","7","4","4","2","5","3","1") = "6"
    & skf21("6","7","4","4","2","5","4","1") = "6"
    & skf21("6","7","4","4","2","5","5","1") = "6"
    & skf21("6","7","4","4","2","5","6","1") = "6"
    & skf21("6","7","4","4","2","5","7","1") = "6"
    & skf21("6","7","4","4","2","6","1","1") = "6"
    & skf21("6","7","4","4","2","6","2","1") = "6"
    & skf21("6","7","4","4","2","6","3","1") = "6"
    & skf21("6","7","4","4","2","6","4","1") = "6"
    & skf21("6","7","4","4","2","6","5","1") = "6"
    & skf21("6","7","4","4","2","6","6","1") = "6"
    & skf21("6","7","4","4","2","6","7","1") = "6"
    & skf21("6","7","4","4","2","7","1","1") = "6"
    & skf21("6","7","4","4","2","7","2","1") = "6"
    & skf21("6","7","4","4","2","7","3","1") = "6"
    & skf21("6","7","4","4","2","7","4","1") = "6"
    & skf21("6","7","4","4","2","7","5","1") = "6"
    & skf21("6","7","4","4","2","7","6","1") = "6"
    & skf21("6","7","4","4","2","7","7","1") = "6"
    & skf21("6","7","4","4","3","1","1","1") = "6"
    & skf21("6","7","4","4","3","1","2","1") = "6"
    & skf21("6","7","4","4","3","1","3","1") = "6"
    & skf21("6","7","4","4","3","1","4","1") = "6"
    & skf21("6","7","4","4","3","1","5","1") = "6"
    & skf21("6","7","4","4","3","1","6","1") = "6"
    & skf21("6","7","4","4","3","1","7","1") = "6"
    & skf21("6","7","4","4","3","2","1","1") = "6"
    & skf21("6","7","4","4","3","2","2","1") = "6"
    & skf21("6","7","4","4","3","2","3","1") = "6"
    & skf21("6","7","4","4","3","2","4","1") = "6"
    & skf21("6","7","4","4","3","2","5","1") = "6"
    & skf21("6","7","4","4","3","2","6","1") = "6"
    & skf21("6","7","4","4","3","2","7","1") = "6"
    & skf21("6","7","4","4","3","3","1","1") = "6"
    & skf21("6","7","4","4","3","3","2","1") = "6"
    & skf21("6","7","4","4","3","3","3","1") = "6"
    & skf21("6","7","4","4","3","3","4","1") = "6"
    & skf21("6","7","4","4","3","3","5","1") = "6"
    & skf21("6","7","4","4","3","3","6","1") = "6"
    & skf21("6","7","4","4","3","3","7","1") = "6"
    & skf21("6","7","4","4","3","4","1","1") = "6"
    & skf21("6","7","4","4","3","4","2","1") = "6"
    & skf21("6","7","4","4","3","4","3","1") = "6"
    & skf21("6","7","4","4","3","4","4","1") = "6"
    & skf21("6","7","4","4","3","4","5","1") = "6"
    & skf21("6","7","4","4","3","4","6","1") = "6"
    & skf21("6","7","4","4","3","4","7","1") = "6"
    & skf21("6","7","4","4","3","5","1","1") = "6"
    & skf21("6","7","4","4","3","5","2","1") = "6"
    & skf21("6","7","4","4","3","5","3","1") = "6"
    & skf21("6","7","4","4","3","5","4","1") = "6"
    & skf21("6","7","4","4","3","5","5","1") = "6"
    & skf21("6","7","4","4","3","5","6","1") = "6"
    & skf21("6","7","4","4","3","5","7","1") = "6"
    & skf21("6","7","4","4","3","6","1","1") = "6"
    & skf21("6","7","4","4","3","6","2","1") = "6"
    & skf21("6","7","4","4","3","6","3","1") = "6"
    & skf21("6","7","4","4","3","6","4","1") = "6"
    & skf21("6","7","4","4","3","6","5","1") = "6"
    & skf21("6","7","4","4","3","6","6","1") = "6"
    & skf21("6","7","4","4","3","6","7","1") = "6"
    & skf21("6","7","4","4","3","7","1","1") = "6"
    & skf21("6","7","4","4","3","7","2","1") = "6"
    & skf21("6","7","4","4","3","7","3","1") = "6"
    & skf21("6","7","4","4","3","7","4","1") = "6"
    & skf21("6","7","4","4","3","7","5","1") = "6"
    & skf21("6","7","4","4","3","7","6","1") = "6"
    & skf21("6","7","4","4","3","7","7","1") = "6"
    & skf21("6","7","4","4","4","1","1","1") = "6"
    & skf21("6","7","4","4","4","1","2","1") = "6"
    & skf21("6","7","4","4","4","1","3","1") = "6"
    & skf21("6","7","4","4","4","1","4","1") = "6"
    & skf21("6","7","4","4","4","1","5","1") = "6"
    & skf21("6","7","4","4","4","1","6","1") = "6"
    & skf21("6","7","4","4","4","1","7","1") = "6"
    & skf21("6","7","4","4","4","2","1","1") = "6"
    & skf21("6","7","4","4","4","2","2","1") = "6"
    & skf21("6","7","4","4","4","2","3","1") = "6"
    & skf21("6","7","4","4","4","2","4","1") = "6"
    & skf21("6","7","4","4","4","2","5","1") = "6"
    & skf21("6","7","4","4","4","2","6","1") = "6"
    & skf21("6","7","4","4","4","2","7","1") = "6"
    & skf21("6","7","4","4","4","3","1","1") = "6"
    & skf21("6","7","4","4","4","3","2","1") = "6"
    & skf21("6","7","4","4","4","3","3","1") = "6"
    & skf21("6","7","4","4","4","3","4","1") = "6"
    & skf21("6","7","4","4","4","3","5","1") = "6"
    & skf21("6","7","4","4","4","3","6","1") = "6"
    & skf21("6","7","4","4","4","3","7","1") = "6"
    & skf21("6","7","4","4","4","4","1","1") = "6"
    & skf21("6","7","4","4","4","4","2","1") = "6"
    & skf21("6","7","4","4","4","4","3","1") = "6"
    & skf21("6","7","4","4","4","4","4","1") = "6"
    & skf21("6","7","4","4","4","4","5","1") = "6"
    & skf21("6","7","4","4","4","4","6","1") = "6"
    & skf21("6","7","4","4","4","4","7","1") = "6"
    & skf21("6","7","4","4","4","5","1","1") = "6"
    & skf21("6","7","4","4","4","5","2","1") = "6"
    & skf21("6","7","4","4","4","5","3","1") = "6"
    & skf21("6","7","4","4","4","5","4","1") = "6"
    & skf21("6","7","4","4","4","5","5","1") = "6"
    & skf21("6","7","4","4","4","5","6","1") = "6"
    & skf21("6","7","4","4","4","5","7","1") = "6"
    & skf21("6","7","4","4","4","6","1","1") = "6"
    & skf21("6","7","4","4","4","6","2","1") = "6"
    & skf21("6","7","4","4","4","6","3","1") = "6"
    & skf21("6","7","4","4","4","6","4","1") = "6"
    & skf21("6","7","4","4","4","6","5","1") = "6"
    & skf21("6","7","4","4","4","6","6","1") = "6"
    & skf21("6","7","4","4","4","6","7","1") = "6"
    & skf21("6","7","4","4","4","7","1","1") = "6"
    & skf21("6","7","4","4","4","7","2","1") = "6"
    & skf21("6","7","4","4","4","7","3","1") = "6"
    & skf21("6","7","4","4","4","7","4","1") = "6"
    & skf21("6","7","4","4","4","7","5","1") = "6"
    & skf21("6","7","4","4","4","7","6","1") = "6"
    & skf21("6","7","4","4","4","7","7","1") = "6"
    & skf21("6","7","4","4","5","1","1","1") = "6"
    & skf21("6","7","4","4","5","1","2","1") = "6"
    & skf21("6","7","4","4","5","1","3","1") = "6"
    & skf21("6","7","4","4","5","1","4","1") = "6"
    & skf21("6","7","4","4","5","1","5","1") = "6"
    & skf21("6","7","4","4","5","1","6","1") = "6"
    & skf21("6","7","4","4","5","1","7","1") = "6"
    & skf21("6","7","4","4","5","2","1","1") = "6"
    & skf21("6","7","4","4","5","2","2","1") = "6"
    & skf21("6","7","4","4","5","2","3","1") = "6"
    & skf21("6","7","4","4","5","2","4","1") = "6"
    & skf21("6","7","4","4","5","2","5","1") = "6"
    & skf21("6","7","4","4","5","2","6","1") = "6"
    & skf21("6","7","4","4","5","2","7","1") = "6"
    & skf21("6","7","4","4","5","3","1","1") = "6"
    & skf21("6","7","4","4","5","3","2","1") = "6"
    & skf21("6","7","4","4","5","3","3","1") = "6"
    & skf21("6","7","4","4","5","3","4","1") = "6"
    & skf21("6","7","4","4","5","3","5","1") = "6"
    & skf21("6","7","4","4","5","3","6","1") = "6"
    & skf21("6","7","4","4","5","3","7","1") = "6"
    & skf21("6","7","4","4","5","4","1","1") = "6"
    & skf21("6","7","4","4","5","4","2","1") = "6"
    & skf21("6","7","4","4","5","4","3","1") = "6"
    & skf21("6","7","4","4","5","4","4","1") = "6"
    & skf21("6","7","4","4","5","4","5","1") = "6"
    & skf21("6","7","4","4","5","4","6","1") = "6"
    & skf21("6","7","4","4","5","4","7","1") = "6"
    & skf21("6","7","4","4","5","5","1","1") = "6"
    & skf21("6","7","4","4","5","5","2","1") = "6"
    & skf21("6","7","4","4","5","5","3","1") = "6"
    & skf21("6","7","4","4","5","5","4","1") = "6"
    & skf21("6","7","4","4","5","5","5","1") = "6"
    & skf21("6","7","4","4","5","5","6","1") = "6"
    & skf21("6","7","4","4","5","5","7","1") = "6"
    & skf21("6","7","4","4","5","6","1","1") = "6"
    & skf21("6","7","4","4","5","6","2","1") = "6"
    & skf21("6","7","4","4","5","6","3","1") = "6"
    & skf21("6","7","4","4","5","6","4","1") = "6"
    & skf21("6","7","4","4","5","6","5","1") = "6"
    & skf21("6","7","4","4","5","6","6","1") = "6"
    & skf21("6","7","4","4","5","6","7","1") = "6"
    & skf21("6","7","4","4","5","7","1","1") = "6"
    & skf21("6","7","4","4","5","7","2","1") = "6"
    & skf21("6","7","4","4","5","7","3","1") = "6"
    & skf21("6","7","4","4","5","7","4","1") = "6"
    & skf21("6","7","4","4","5","7","5","1") = "6"
    & skf21("6","7","4","4","5","7","6","1") = "6"
    & skf21("6","7","4","4","5","7","7","1") = "6"
    & skf21("6","7","4","4","6","1","1","1") = "6"
    & skf21("6","7","4","4","6","1","2","1") = "6"
    & skf21("6","7","4","4","6","1","3","1") = "6"
    & skf21("6","7","4","4","6","1","4","1") = "6"
    & skf21("6","7","4","4","6","1","5","1") = "6"
    & skf21("6","7","4","4","6","1","6","1") = "6"
    & skf21("6","7","4","4","6","1","7","1") = "6"
    & skf21("6","7","4","4","6","2","1","1") = "6"
    & skf21("6","7","4","4","6","2","2","1") = "6"
    & skf21("6","7","4","4","6","2","3","1") = "6"
    & skf21("6","7","4","4","6","2","4","1") = "6"
    & skf21("6","7","4","4","6","2","5","1") = "6"
    & skf21("6","7","4","4","6","2","6","1") = "6"
    & skf21("6","7","4","4","6","2","7","1") = "6"
    & skf21("6","7","4","4","6","3","1","1") = "6"
    & skf21("6","7","4","4","6","3","2","1") = "6"
    & skf21("6","7","4","4","6","3","3","1") = "6"
    & skf21("6","7","4","4","6","3","4","1") = "6"
    & skf21("6","7","4","4","6","3","5","1") = "6"
    & skf21("6","7","4","4","6","3","6","1") = "6"
    & skf21("6","7","4","4","6","3","7","1") = "6"
    & skf21("6","7","4","4","6","4","1","1") = "6"
    & skf21("6","7","4","4","6","4","2","1") = "6"
    & skf21("6","7","4","4","6","4","3","1") = "6"
    & skf21("6","7","4","4","6","4","4","1") = "6"
    & skf21("6","7","4","4","6","4","5","1") = "6"
    & skf21("6","7","4","4","6","4","6","1") = "6"
    & skf21("6","7","4","4","6","4","7","1") = "6"
    & skf21("6","7","4","4","6","5","1","1") = "6"
    & skf21("6","7","4","4","6","5","2","1") = "6"
    & skf21("6","7","4","4","6","5","3","1") = "6"
    & skf21("6","7","4","4","6","5","4","1") = "6"
    & skf21("6","7","4","4","6","5","5","1") = "6"
    & skf21("6","7","4","4","6","5","6","1") = "6"
    & skf21("6","7","4","4","6","5","7","1") = "6"
    & skf21("6","7","4","4","6","6","1","1") = "6"
    & skf21("6","7","4","4","6","6","2","1") = "6"
    & skf21("6","7","4","4","6","6","3","1") = "6"
    & skf21("6","7","4","4","6","6","4","1") = "6"
    & skf21("6","7","4","4","6","6","5","1") = "6"
    & skf21("6","7","4","4","6","6","6","1") = "6"
    & skf21("6","7","4","4","6","6","7","1") = "6"
    & skf21("6","7","4","4","6","7","1","1") = "6"
    & skf21("6","7","4","4","6","7","2","1") = "6"
    & skf21("6","7","4","4","6","7","3","1") = "6"
    & skf21("6","7","4","4","6","7","4","1") = "6"
    & skf21("6","7","4","4","6","7","5","1") = "6"
    & skf21("6","7","4","4","6","7","6","1") = "6"
    & skf21("6","7","4","4","6","7","7","1") = "6"
    & skf21("6","7","4","4","7","1","1","1") = "6"
    & skf21("6","7","4","4","7","1","2","1") = "6"
    & skf21("6","7","4","4","7","1","3","1") = "6"
    & skf21("6","7","4","4","7","1","4","1") = "6"
    & skf21("6","7","4","4","7","1","5","1") = "6"
    & skf21("6","7","4","4","7","1","6","1") = "6"
    & skf21("6","7","4","4","7","1","7","1") = "6"
    & skf21("6","7","4","4","7","2","1","1") = "6"
    & skf21("6","7","4","4","7","2","2","1") = "6"
    & skf21("6","7","4","4","7","2","3","1") = "6"
    & skf21("6","7","4","4","7","2","4","1") = "6"
    & skf21("6","7","4","4","7","2","5","1") = "6"
    & skf21("6","7","4","4","7","2","6","1") = "6"
    & skf21("6","7","4","4","7","2","7","1") = "6"
    & skf21("6","7","4","4","7","3","1","1") = "6"
    & skf21("6","7","4","4","7","3","2","1") = "6"
    & skf21("6","7","4","4","7","3","3","1") = "6"
    & skf21("6","7","4","4","7","3","4","1") = "6"
    & skf21("6","7","4","4","7","3","5","1") = "6"
    & skf21("6","7","4","4","7","3","6","1") = "6"
    & skf21("6","7","4","4","7","3","7","1") = "6"
    & skf21("6","7","4","4","7","4","1","1") = "6"
    & skf21("6","7","4","4","7","4","2","1") = "6"
    & skf21("6","7","4","4","7","4","3","1") = "6"
    & skf21("6","7","4","4","7","4","4","1") = "6"
    & skf21("6","7","4","4","7","4","5","1") = "6"
    & skf21("6","7","4","4","7","4","6","1") = "6"
    & skf21("6","7","4","4","7","4","7","1") = "6"
    & skf21("6","7","4","4","7","5","1","1") = "6"
    & skf21("6","7","4","4","7","5","2","1") = "6"
    & skf21("6","7","4","4","7","5","3","1") = "6"
    & skf21("6","7","4","4","7","5","4","1") = "6"
    & skf21("6","7","4","4","7","5","5","1") = "6"
    & skf21("6","7","4","4","7","5","6","1") = "6"
    & skf21("6","7","4","4","7","5","7","1") = "6"
    & skf21("6","7","4","4","7","6","1","1") = "6"
    & skf21("6","7","4","4","7","6","2","1") = "6"
    & skf21("6","7","4","4","7","6","3","1") = "6"
    & skf21("6","7","4","4","7","6","4","1") = "6"
    & skf21("6","7","4","4","7","6","5","1") = "6"
    & skf21("6","7","4","4","7","6","6","1") = "6"
    & skf21("6","7","4","4","7","6","7","1") = "6"
    & skf21("6","7","4","4","7","7","1","1") = "6"
    & skf21("6","7","4","4","7","7","2","1") = "6"
    & skf21("6","7","4","4","7","7","3","1") = "6"
    & skf21("6","7","4","4","7","7","4","1") = "6"
    & skf21("6","7","4","4","7","7","5","1") = "6"
    & skf21("6","7","4","4","7","7","6","1") = "6"
    & skf21("6","7","4","4","7","7","7","1") = "6"
    & skf21("6","7","4","5","1","1","1","1") = "6"
    & skf21("6","7","4","5","1","1","2","1") = "6"
    & skf21("6","7","4","5","1","1","3","1") = "6"
    & skf21("6","7","4","5","1","1","4","1") = "6"
    & skf21("6","7","4","5","1","1","5","1") = "6"
    & skf21("6","7","4","5","1","1","6","1") = "6"
    & skf21("6","7","4","5","1","1","7","1") = "6"
    & skf21("6","7","4","5","1","2","1","1") = "6"
    & skf21("6","7","4","5","1","2","2","1") = "6"
    & skf21("6","7","4","5","1","2","3","1") = "6"
    & skf21("6","7","4","5","1","2","4","1") = "6"
    & skf21("6","7","4","5","1","2","5","1") = "6"
    & skf21("6","7","4","5","1","2","6","1") = "6"
    & skf21("6","7","4","5","1","2","7","1") = "6"
    & skf21("6","7","4","5","1","3","1","1") = "6"
    & skf21("6","7","4","5","1","3","2","1") = "6"
    & skf21("6","7","4","5","1","3","3","1") = "6"
    & skf21("6","7","4","5","1","3","4","1") = "6"
    & skf21("6","7","4","5","1","3","5","1") = "6"
    & skf21("6","7","4","5","1","3","6","1") = "6"
    & skf21("6","7","4","5","1","3","7","1") = "6"
    & skf21("6","7","4","5","1","4","1","1") = "6"
    & skf21("6","7","4","5","1","4","2","1") = "6"
    & skf21("6","7","4","5","1","4","3","1") = "6"
    & skf21("6","7","4","5","1","4","4","1") = "6"
    & skf21("6","7","4","5","1","4","5","1") = "6"
    & skf21("6","7","4","5","1","4","6","1") = "6"
    & skf21("6","7","4","5","1","4","7","1") = "6"
    & skf21("6","7","4","5","1","5","1","1") = "6"
    & skf21("6","7","4","5","1","5","2","1") = "6"
    & skf21("6","7","4","5","1","5","3","1") = "6"
    & skf21("6","7","4","5","1","5","4","1") = "6"
    & skf21("6","7","4","5","1","5","5","1") = "6"
    & skf21("6","7","4","5","1","5","6","1") = "6"
    & skf21("6","7","4","5","1","5","7","1") = "6"
    & skf21("6","7","4","5","1","6","1","1") = "6"
    & skf21("6","7","4","5","1","6","2","1") = "6"
    & skf21("6","7","4","5","1","6","3","1") = "6"
    & skf21("6","7","4","5","1","6","4","1") = "6"
    & skf21("6","7","4","5","1","6","5","1") = "6"
    & skf21("6","7","4","5","1","6","6","1") = "6"
    & skf21("6","7","4","5","1","6","7","1") = "6"
    & skf21("6","7","4","5","1","7","1","1") = "6"
    & skf21("6","7","4","5","1","7","2","1") = "6"
    & skf21("6","7","4","5","1","7","3","1") = "6"
    & skf21("6","7","4","5","1","7","4","1") = "6"
    & skf21("6","7","4","5","1","7","5","1") = "6"
    & skf21("6","7","4","5","1","7","6","1") = "6"
    & skf21("6","7","4","5","1","7","7","1") = "6"
    & skf21("6","7","4","5","2","1","1","1") = "6"
    & skf21("6","7","4","5","2","1","2","1") = "6"
    & skf21("6","7","4","5","2","1","3","1") = "6"
    & skf21("6","7","4","5","2","1","4","1") = "6"
    & skf21("6","7","4","5","2","1","5","1") = "6"
    & skf21("6","7","4","5","2","1","6","1") = "6"
    & skf21("6","7","4","5","2","1","7","1") = "6"
    & skf21("6","7","4","5","2","2","1","1") = "6"
    & skf21("6","7","4","5","2","2","2","1") = "6"
    & skf21("6","7","4","5","2","2","3","1") = "6"
    & skf21("6","7","4","5","2","2","4","1") = "6"
    & skf21("6","7","4","5","2","2","5","1") = "6"
    & skf21("6","7","4","5","2","2","6","1") = "6"
    & skf21("6","7","4","5","2","2","7","1") = "6"
    & skf21("6","7","4","5","2","3","1","1") = "6"
    & skf21("6","7","4","5","2","3","2","1") = "6"
    & skf21("6","7","4","5","2","3","3","1") = "6"
    & skf21("6","7","4","5","2","3","4","1") = "6"
    & skf21("6","7","4","5","2","3","5","1") = "6"
    & skf21("6","7","4","5","2","3","6","1") = "6"
    & skf21("6","7","4","5","2","3","7","1") = "6"
    & skf21("6","7","4","5","2","4","1","1") = "6"
    & skf21("6","7","4","5","2","4","2","1") = "6"
    & skf21("6","7","4","5","2","4","3","1") = "6"
    & skf21("6","7","4","5","2","4","4","1") = "6"
    & skf21("6","7","4","5","2","4","5","1") = "6"
    & skf21("6","7","4","5","2","4","6","1") = "6"
    & skf21("6","7","4","5","2","4","7","1") = "6"
    & skf21("6","7","4","5","2","5","1","1") = "6"
    & skf21("6","7","4","5","2","5","2","1") = "6"
    & skf21("6","7","4","5","2","5","3","1") = "6"
    & skf21("6","7","4","5","2","5","4","1") = "6"
    & skf21("6","7","4","5","2","5","5","1") = "6"
    & skf21("6","7","4","5","2","5","6","1") = "6"
    & skf21("6","7","4","5","2","5","7","1") = "6"
    & skf21("6","7","4","5","2","6","1","1") = "6"
    & skf21("6","7","4","5","2","6","2","1") = "6"
    & skf21("6","7","4","5","2","6","3","1") = "6"
    & skf21("6","7","4","5","2","6","4","1") = "6"
    & skf21("6","7","4","5","2","6","5","1") = "6"
    & skf21("6","7","4","5","2","6","6","1") = "6"
    & skf21("6","7","4","5","2","6","7","1") = "6"
    & skf21("6","7","4","5","2","7","1","1") = "6"
    & skf21("6","7","4","5","2","7","2","1") = "6"
    & skf21("6","7","4","5","2","7","3","1") = "6"
    & skf21("6","7","4","5","2","7","4","1") = "6"
    & skf21("6","7","4","5","2","7","5","1") = "6"
    & skf21("6","7","4","5","2","7","6","1") = "6"
    & skf21("6","7","4","5","2","7","7","1") = "6"
    & skf21("6","7","4","5","3","1","1","1") = "6"
    & skf21("6","7","4","5","3","1","2","1") = "6"
    & skf21("6","7","4","5","3","1","3","1") = "6"
    & skf21("6","7","4","5","3","1","4","1") = "6"
    & skf21("6","7","4","5","3","1","5","1") = "6"
    & skf21("6","7","4","5","3","1","6","1") = "6"
    & skf21("6","7","4","5","3","1","7","1") = "6"
    & skf21("6","7","4","5","3","2","1","1") = "6"
    & skf21("6","7","4","5","3","2","2","1") = "6"
    & skf21("6","7","4","5","3","2","3","1") = "6"
    & skf21("6","7","4","5","3","2","4","1") = "6"
    & skf21("6","7","4","5","3","2","5","1") = "6"
    & skf21("6","7","4","5","3","2","6","1") = "6"
    & skf21("6","7","4","5","3","2","7","1") = "6"
    & skf21("6","7","4","5","3","3","1","1") = "6"
    & skf21("6","7","4","5","3","3","2","1") = "6"
    & skf21("6","7","4","5","3","3","3","1") = "6"
    & skf21("6","7","4","5","3","3","4","1") = "6"
    & skf21("6","7","4","5","3","3","5","1") = "6"
    & skf21("6","7","4","5","3","3","6","1") = "6"
    & skf21("6","7","4","5","3","3","7","1") = "6"
    & skf21("6","7","4","5","3","4","1","1") = "6"
    & skf21("6","7","4","5","3","4","2","1") = "6"
    & skf21("6","7","4","5","3","4","3","1") = "6"
    & skf21("6","7","4","5","3","4","4","1") = "6"
    & skf21("6","7","4","5","3","4","5","1") = "6"
    & skf21("6","7","4","5","3","4","6","1") = "6"
    & skf21("6","7","4","5","3","4","7","1") = "6"
    & skf21("6","7","4","5","3","5","1","1") = "6"
    & skf21("6","7","4","5","3","5","2","1") = "6"
    & skf21("6","7","4","5","3","5","3","1") = "6"
    & skf21("6","7","4","5","3","5","4","1") = "6"
    & skf21("6","7","4","5","3","5","5","1") = "6"
    & skf21("6","7","4","5","3","5","6","1") = "6"
    & skf21("6","7","4","5","3","5","7","1") = "6"
    & skf21("6","7","4","5","3","6","1","1") = "6"
    & skf21("6","7","4","5","3","6","2","1") = "6"
    & skf21("6","7","4","5","3","6","3","1") = "6"
    & skf21("6","7","4","5","3","6","4","1") = "6"
    & skf21("6","7","4","5","3","6","5","1") = "6"
    & skf21("6","7","4","5","3","6","6","1") = "6"
    & skf21("6","7","4","5","3","6","7","1") = "6"
    & skf21("6","7","4","5","3","7","1","1") = "6"
    & skf21("6","7","4","5","3","7","2","1") = "6"
    & skf21("6","7","4","5","3","7","3","1") = "6"
    & skf21("6","7","4","5","3","7","4","1") = "6"
    & skf21("6","7","4","5","3","7","5","1") = "6"
    & skf21("6","7","4","5","3","7","6","1") = "6"
    & skf21("6","7","4","5","3","7","7","1") = "6"
    & skf21("6","7","4","5","4","1","1","1") = "6"
    & skf21("6","7","4","5","4","1","2","1") = "6"
    & skf21("6","7","4","5","4","1","3","1") = "6"
    & skf21("6","7","4","5","4","1","4","1") = "6"
    & skf21("6","7","4","5","4","1","5","1") = "6"
    & skf21("6","7","4","5","4","1","6","1") = "6"
    & skf21("6","7","4","5","4","1","7","1") = "6"
    & skf21("6","7","4","5","4","2","1","1") = "6"
    & skf21("6","7","4","5","4","2","2","1") = "6"
    & skf21("6","7","4","5","4","2","3","1") = "6"
    & skf21("6","7","4","5","4","2","4","1") = "6"
    & skf21("6","7","4","5","4","2","5","1") = "6"
    & skf21("6","7","4","5","4","2","6","1") = "6"
    & skf21("6","7","4","5","4","2","7","1") = "6"
    & skf21("6","7","4","5","4","3","1","1") = "6"
    & skf21("6","7","4","5","4","3","2","1") = "6"
    & skf21("6","7","4","5","4","3","3","1") = "6"
    & skf21("6","7","4","5","4","3","4","1") = "6"
    & skf21("6","7","4","5","4","3","5","1") = "6"
    & skf21("6","7","4","5","4","3","6","1") = "6"
    & skf21("6","7","4","5","4","3","7","1") = "6"
    & skf21("6","7","4","5","4","4","1","1") = "6"
    & skf21("6","7","4","5","4","4","2","1") = "6"
    & skf21("6","7","4","5","4","4","3","1") = "6"
    & skf21("6","7","4","5","4","4","4","1") = "6"
    & skf21("6","7","4","5","4","4","5","1") = "6"
    & skf21("6","7","4","5","4","4","6","1") = "6"
    & skf21("6","7","4","5","4","4","7","1") = "6"
    & skf21("6","7","4","5","4","5","1","1") = "6"
    & skf21("6","7","4","5","4","5","2","1") = "6"
    & skf21("6","7","4","5","4","5","3","1") = "6"
    & skf21("6","7","4","5","4","5","4","1") = "6"
    & skf21("6","7","4","5","4","5","5","1") = "6"
    & skf21("6","7","4","5","4","5","6","1") = "6"
    & skf21("6","7","4","5","4","5","7","1") = "6"
    & skf21("6","7","4","5","4","6","1","1") = "6"
    & skf21("6","7","4","5","4","6","2","1") = "6"
    & skf21("6","7","4","5","4","6","3","1") = "6"
    & skf21("6","7","4","5","4","6","4","1") = "6"
    & skf21("6","7","4","5","4","6","5","1") = "6"
    & skf21("6","7","4","5","4","6","6","1") = "6"
    & skf21("6","7","4","5","4","6","7","1") = "6"
    & skf21("6","7","4","5","4","7","1","1") = "6"
    & skf21("6","7","4","5","4","7","2","1") = "6"
    & skf21("6","7","4","5","4","7","3","1") = "6"
    & skf21("6","7","4","5","4","7","4","1") = "6"
    & skf21("6","7","4","5","4","7","5","1") = "6"
    & skf21("6","7","4","5","4","7","6","1") = "6"
    & skf21("6","7","4","5","4","7","7","1") = "6"
    & skf21("6","7","4","5","5","1","1","1") = "6"
    & skf21("6","7","4","5","5","1","2","1") = "6"
    & skf21("6","7","4","5","5","1","3","1") = "6"
    & skf21("6","7","4","5","5","1","4","1") = "6"
    & skf21("6","7","4","5","5","1","5","1") = "6"
    & skf21("6","7","4","5","5","1","6","1") = "6"
    & skf21("6","7","4","5","5","1","7","1") = "6"
    & skf21("6","7","4","5","5","2","1","1") = "6"
    & skf21("6","7","4","5","5","2","2","1") = "6"
    & skf21("6","7","4","5","5","2","3","1") = "6"
    & skf21("6","7","4","5","5","2","4","1") = "6"
    & skf21("6","7","4","5","5","2","5","1") = "6"
    & skf21("6","7","4","5","5","2","6","1") = "6"
    & skf21("6","7","4","5","5","2","7","1") = "6"
    & skf21("6","7","4","5","5","3","1","1") = "6"
    & skf21("6","7","4","5","5","3","2","1") = "6"
    & skf21("6","7","4","5","5","3","3","1") = "6"
    & skf21("6","7","4","5","5","3","4","1") = "6"
    & skf21("6","7","4","5","5","3","5","1") = "6"
    & skf21("6","7","4","5","5","3","6","1") = "6"
    & skf21("6","7","4","5","5","3","7","1") = "6"
    & skf21("6","7","4","5","5","4","1","1") = "6"
    & skf21("6","7","4","5","5","4","2","1") = "6"
    & skf21("6","7","4","5","5","4","3","1") = "6"
    & skf21("6","7","4","5","5","4","4","1") = "6"
    & skf21("6","7","4","5","5","4","5","1") = "6"
    & skf21("6","7","4","5","5","4","6","1") = "6"
    & skf21("6","7","4","5","5","4","7","1") = "6"
    & skf21("6","7","4","5","5","5","1","1") = "6"
    & skf21("6","7","4","5","5","5","2","1") = "6"
    & skf21("6","7","4","5","5","5","3","1") = "6"
    & skf21("6","7","4","5","5","5","4","1") = "6"
    & skf21("6","7","4","5","5","5","5","1") = "6"
    & skf21("6","7","4","5","5","5","6","1") = "6"
    & skf21("6","7","4","5","5","5","7","1") = "6"
    & skf21("6","7","4","5","5","6","1","1") = "6"
    & skf21("6","7","4","5","5","6","2","1") = "6"
    & skf21("6","7","4","5","5","6","3","1") = "6"
    & skf21("6","7","4","5","5","6","4","1") = "6"
    & skf21("6","7","4","5","5","6","5","1") = "6"
    & skf21("6","7","4","5","5","6","6","1") = "6"
    & skf21("6","7","4","5","5","6","7","1") = "6"
    & skf21("6","7","4","5","5","7","1","1") = "6"
    & skf21("6","7","4","5","5","7","2","1") = "6"
    & skf21("6","7","4","5","5","7","3","1") = "6"
    & skf21("6","7","4","5","5","7","4","1") = "6"
    & skf21("6","7","4","5","5","7","5","1") = "6"
    & skf21("6","7","4","5","5","7","6","1") = "6"
    & skf21("6","7","4","5","5","7","7","1") = "6"
    & skf21("6","7","4","5","6","1","1","1") = "6"
    & skf21("6","7","4","5","6","1","2","1") = "6"
    & skf21("6","7","4","5","6","1","3","1") = "6"
    & skf21("6","7","4","5","6","1","4","1") = "6"
    & skf21("6","7","4","5","6","1","5","1") = "6"
    & skf21("6","7","4","5","6","1","6","1") = "6"
    & skf21("6","7","4","5","6","1","7","1") = "6"
    & skf21("6","7","4","5","6","2","1","1") = "6"
    & skf21("6","7","4","5","6","2","2","1") = "6"
    & skf21("6","7","4","5","6","2","3","1") = "6"
    & skf21("6","7","4","5","6","2","4","1") = "6"
    & skf21("6","7","4","5","6","2","5","1") = "6"
    & skf21("6","7","4","5","6","2","6","1") = "6"
    & skf21("6","7","4","5","6","2","7","1") = "6"
    & skf21("6","7","4","5","6","3","1","1") = "6"
    & skf21("6","7","4","5","6","3","2","1") = "6"
    & skf21("6","7","4","5","6","3","3","1") = "6"
    & skf21("6","7","4","5","6","3","4","1") = "6"
    & skf21("6","7","4","5","6","3","5","1") = "6"
    & skf21("6","7","4","5","6","3","6","1") = "6"
    & skf21("6","7","4","5","6","3","7","1") = "6"
    & skf21("6","7","4","5","6","4","1","1") = "6"
    & skf21("6","7","4","5","6","4","2","1") = "6"
    & skf21("6","7","4","5","6","4","3","1") = "6"
    & skf21("6","7","4","5","6","4","4","1") = "6"
    & skf21("6","7","4","5","6","4","5","1") = "6"
    & skf21("6","7","4","5","6","4","6","1") = "6"
    & skf21("6","7","4","5","6","4","7","1") = "6"
    & skf21("6","7","4","5","6","5","1","1") = "6"
    & skf21("6","7","4","5","6","5","2","1") = "6"
    & skf21("6","7","4","5","6","5","3","1") = "6"
    & skf21("6","7","4","5","6","5","4","1") = "6"
    & skf21("6","7","4","5","6","5","5","1") = "6"
    & skf21("6","7","4","5","6","5","6","1") = "6"
    & skf21("6","7","4","5","6","5","7","1") = "6"
    & skf21("6","7","4","5","6","6","1","1") = "6"
    & skf21("6","7","4","5","6","6","2","1") = "6"
    & skf21("6","7","4","5","6","6","3","1") = "6"
    & skf21("6","7","4","5","6","6","4","1") = "6"
    & skf21("6","7","4","5","6","6","5","1") = "6"
    & skf21("6","7","4","5","6","6","6","1") = "6"
    & skf21("6","7","4","5","6","6","7","1") = "6"
    & skf21("6","7","4","5","6","7","1","1") = "6"
    & skf21("6","7","4","5","6","7","2","1") = "6"
    & skf21("6","7","4","5","6","7","3","1") = "6"
    & skf21("6","7","4","5","6","7","4","1") = "6"
    & skf21("6","7","4","5","6","7","5","1") = "6"
    & skf21("6","7","4","5","6","7","6","1") = "6"
    & skf21("6","7","4","5","6","7","7","1") = "6"
    & skf21("6","7","4","5","7","1","1","1") = "6"
    & skf21("6","7","4","5","7","1","2","1") = "6"
    & skf21("6","7","4","5","7","1","3","1") = "6"
    & skf21("6","7","4","5","7","1","4","1") = "6"
    & skf21("6","7","4","5","7","1","5","1") = "6"
    & skf21("6","7","4","5","7","1","6","1") = "6"
    & skf21("6","7","4","5","7","1","7","1") = "6"
    & skf21("6","7","4","5","7","2","1","1") = "6"
    & skf21("6","7","4","5","7","2","2","1") = "6"
    & skf21("6","7","4","5","7","2","3","1") = "6"
    & skf21("6","7","4","5","7","2","4","1") = "6"
    & skf21("6","7","4","5","7","2","5","1") = "6"
    & skf21("6","7","4","5","7","2","6","1") = "6"
    & skf21("6","7","4","5","7","2","7","1") = "6"
    & skf21("6","7","4","5","7","3","1","1") = "6"
    & skf21("6","7","4","5","7","3","2","1") = "6"
    & skf21("6","7","4","5","7","3","3","1") = "6"
    & skf21("6","7","4","5","7","3","4","1") = "6"
    & skf21("6","7","4","5","7","3","5","1") = "6"
    & skf21("6","7","4","5","7","3","6","1") = "6"
    & skf21("6","7","4","5","7","3","7","1") = "6"
    & skf21("6","7","4","5","7","4","1","1") = "6"
    & skf21("6","7","4","5","7","4","2","1") = "6"
    & skf21("6","7","4","5","7","4","3","1") = "6"
    & skf21("6","7","4","5","7","4","4","1") = "6"
    & skf21("6","7","4","5","7","4","5","1") = "6"
    & skf21("6","7","4","5","7","4","6","1") = "6"
    & skf21("6","7","4","5","7","4","7","1") = "6"
    & skf21("6","7","4","5","7","5","1","1") = "6"
    & skf21("6","7","4","5","7","5","2","1") = "6"
    & skf21("6","7","4","5","7","5","3","1") = "6"
    & skf21("6","7","4","5","7","5","4","1") = "6"
    & skf21("6","7","4","5","7","5","5","1") = "6"
    & skf21("6","7","4","5","7","5","6","1") = "6"
    & skf21("6","7","4","5","7","5","7","1") = "6"
    & skf21("6","7","4","5","7","6","1","1") = "6"
    & skf21("6","7","4","5","7","6","2","1") = "6"
    & skf21("6","7","4","5","7","6","3","1") = "6"
    & skf21("6","7","4","5","7","6","4","1") = "6"
    & skf21("6","7","4","5","7","6","5","1") = "6"
    & skf21("6","7","4","5","7","6","6","1") = "6"
    & skf21("6","7","4","5","7","6","7","1") = "6"
    & skf21("6","7","4","5","7","7","1","1") = "6"
    & skf21("6","7","4","5","7","7","2","1") = "6"
    & skf21("6","7","4","5","7","7","3","1") = "6"
    & skf21("6","7","4","5","7","7","4","1") = "6"
    & skf21("6","7","4","5","7","7","5","1") = "6"
    & skf21("6","7","4","5","7","7","6","1") = "6"
    & skf21("6","7","4","5","7","7","7","1") = "6"
    & skf21("6","7","4","6","1","1","1","1") = "6"
    & skf21("6","7","4","6","1","1","2","1") = "6"
    & skf21("6","7","4","6","1","1","3","1") = "6"
    & skf21("6","7","4","6","1","1","4","1") = "6"
    & skf21("6","7","4","6","1","1","5","1") = "6"
    & skf21("6","7","4","6","1","1","6","1") = "6"
    & skf21("6","7","4","6","1","1","7","1") = "6"
    & skf21("6","7","4","6","1","2","1","1") = "6"
    & skf21("6","7","4","6","1","2","2","1") = "6"
    & skf21("6","7","4","6","1","2","3","1") = "6"
    & skf21("6","7","4","6","1","2","4","1") = "6"
    & skf21("6","7","4","6","1","2","5","1") = "6"
    & skf21("6","7","4","6","1","2","6","1") = "6"
    & skf21("6","7","4","6","1","2","7","1") = "6"
    & skf21("6","7","4","6","1","3","1","1") = "6"
    & skf21("6","7","4","6","1","3","2","1") = "6"
    & skf21("6","7","4","6","1","3","3","1") = "6"
    & skf21("6","7","4","6","1","3","4","1") = "6"
    & skf21("6","7","4","6","1","3","5","1") = "6"
    & skf21("6","7","4","6","1","3","6","1") = "6"
    & skf21("6","7","4","6","1","3","7","1") = "6"
    & skf21("6","7","4","6","1","4","1","1") = "6"
    & skf21("6","7","4","6","1","4","2","1") = "6"
    & skf21("6","7","4","6","1","4","3","1") = "6"
    & skf21("6","7","4","6","1","4","4","1") = "6"
    & skf21("6","7","4","6","1","4","5","1") = "6"
    & skf21("6","7","4","6","1","4","6","1") = "6"
    & skf21("6","7","4","6","1","4","7","1") = "6"
    & skf21("6","7","4","6","1","5","1","1") = "6"
    & skf21("6","7","4","6","1","5","2","1") = "6"
    & skf21("6","7","4","6","1","5","3","1") = "6"
    & skf21("6","7","4","6","1","5","4","1") = "6"
    & skf21("6","7","4","6","1","5","5","1") = "6"
    & skf21("6","7","4","6","1","5","6","1") = "6"
    & skf21("6","7","4","6","1","5","7","1") = "6"
    & skf21("6","7","4","6","1","6","1","1") = "6"
    & skf21("6","7","4","6","1","6","2","1") = "6"
    & skf21("6","7","4","6","1","6","3","1") = "6"
    & skf21("6","7","4","6","1","6","4","1") = "6"
    & skf21("6","7","4","6","1","6","5","1") = "6"
    & skf21("6","7","4","6","1","6","6","1") = "6"
    & skf21("6","7","4","6","1","6","7","1") = "6"
    & skf21("6","7","4","6","1","7","1","1") = "6"
    & skf21("6","7","4","6","1","7","2","1") = "6"
    & skf21("6","7","4","6","1","7","3","1") = "6"
    & skf21("6","7","4","6","1","7","4","1") = "6"
    & skf21("6","7","4","6","1","7","5","1") = "6"
    & skf21("6","7","4","6","1","7","6","1") = "6"
    & skf21("6","7","4","6","1","7","7","1") = "6"
    & skf21("6","7","4","6","2","1","1","1") = "6"
    & skf21("6","7","4","6","2","1","2","1") = "6"
    & skf21("6","7","4","6","2","1","3","1") = "6"
    & skf21("6","7","4","6","2","1","4","1") = "6"
    & skf21("6","7","4","6","2","1","5","1") = "6"
    & skf21("6","7","4","6","2","1","6","1") = "6"
    & skf21("6","7","4","6","2","1","7","1") = "6"
    & skf21("6","7","4","6","2","2","1","1") = "6"
    & skf21("6","7","4","6","2","2","2","1") = "6"
    & skf21("6","7","4","6","2","2","3","1") = "6"
    & skf21("6","7","4","6","2","2","4","1") = "6"
    & skf21("6","7","4","6","2","2","5","1") = "6"
    & skf21("6","7","4","6","2","2","6","1") = "6"
    & skf21("6","7","4","6","2","2","7","1") = "6"
    & skf21("6","7","4","6","2","3","1","1") = "6"
    & skf21("6","7","4","6","2","3","2","1") = "6"
    & skf21("6","7","4","6","2","3","3","1") = "6"
    & skf21("6","7","4","6","2","3","4","1") = "6"
    & skf21("6","7","4","6","2","3","5","1") = "6"
    & skf21("6","7","4","6","2","3","6","1") = "6"
    & skf21("6","7","4","6","2","3","7","1") = "6"
    & skf21("6","7","4","6","2","4","1","1") = "6"
    & skf21("6","7","4","6","2","4","2","1") = "6"
    & skf21("6","7","4","6","2","4","3","1") = "6"
    & skf21("6","7","4","6","2","4","4","1") = "6"
    & skf21("6","7","4","6","2","4","5","1") = "6"
    & skf21("6","7","4","6","2","4","6","1") = "6"
    & skf21("6","7","4","6","2","4","7","1") = "6"
    & skf21("6","7","4","6","2","5","1","1") = "6"
    & skf21("6","7","4","6","2","5","2","1") = "6"
    & skf21("6","7","4","6","2","5","3","1") = "6"
    & skf21("6","7","4","6","2","5","4","1") = "6"
    & skf21("6","7","4","6","2","5","5","1") = "6"
    & skf21("6","7","4","6","2","5","6","1") = "6"
    & skf21("6","7","4","6","2","5","7","1") = "6"
    & skf21("6","7","4","6","2","6","1","1") = "6"
    & skf21("6","7","4","6","2","6","2","1") = "6"
    & skf21("6","7","4","6","2","6","3","1") = "6"
    & skf21("6","7","4","6","2","6","4","1") = "6"
    & skf21("6","7","4","6","2","6","5","1") = "6"
    & skf21("6","7","4","6","2","6","6","1") = "6"
    & skf21("6","7","4","6","2","6","7","1") = "6"
    & skf21("6","7","4","6","2","7","1","1") = "6"
    & skf21("6","7","4","6","2","7","2","1") = "6"
    & skf21("6","7","4","6","2","7","3","1") = "6"
    & skf21("6","7","4","6","2","7","4","1") = "6"
    & skf21("6","7","4","6","2","7","5","1") = "6"
    & skf21("6","7","4","6","2","7","6","1") = "6"
    & skf21("6","7","4","6","2","7","7","1") = "6"
    & skf21("6","7","4","6","3","1","1","1") = "6"
    & skf21("6","7","4","6","3","1","2","1") = "6"
    & skf21("6","7","4","6","3","1","3","1") = "6"
    & skf21("6","7","4","6","3","1","4","1") = "6"
    & skf21("6","7","4","6","3","1","5","1") = "6"
    & skf21("6","7","4","6","3","1","6","1") = "6"
    & skf21("6","7","4","6","3","1","7","1") = "6"
    & skf21("6","7","4","6","3","2","1","1") = "6"
    & skf21("6","7","4","6","3","2","2","1") = "6"
    & skf21("6","7","4","6","3","2","3","1") = "6"
    & skf21("6","7","4","6","3","2","4","1") = "6"
    & skf21("6","7","4","6","3","2","5","1") = "6"
    & skf21("6","7","4","6","3","2","6","1") = "6"
    & skf21("6","7","4","6","3","2","7","1") = "6"
    & skf21("6","7","4","6","3","3","1","1") = "6"
    & skf21("6","7","4","6","3","3","2","1") = "6"
    & skf21("6","7","4","6","3","3","3","1") = "6"
    & skf21("6","7","4","6","3","3","4","1") = "6"
    & skf21("6","7","4","6","3","3","5","1") = "6"
    & skf21("6","7","4","6","3","3","6","1") = "6"
    & skf21("6","7","4","6","3","3","7","1") = "6"
    & skf21("6","7","4","6","3","4","1","1") = "6"
    & skf21("6","7","4","6","3","4","2","1") = "6"
    & skf21("6","7","4","6","3","4","3","1") = "6"
    & skf21("6","7","4","6","3","4","4","1") = "6"
    & skf21("6","7","4","6","3","4","5","1") = "6"
    & skf21("6","7","4","6","3","4","6","1") = "6"
    & skf21("6","7","4","6","3","4","7","1") = "6"
    & skf21("6","7","4","6","3","5","1","1") = "6"
    & skf21("6","7","4","6","3","5","2","1") = "6"
    & skf21("6","7","4","6","3","5","3","1") = "6"
    & skf21("6","7","4","6","3","5","4","1") = "6"
    & skf21("6","7","4","6","3","5","5","1") = "6"
    & skf21("6","7","4","6","3","5","6","1") = "6"
    & skf21("6","7","4","6","3","5","7","1") = "6"
    & skf21("6","7","4","6","3","6","1","1") = "6"
    & skf21("6","7","4","6","3","6","2","1") = "6"
    & skf21("6","7","4","6","3","6","3","1") = "6"
    & skf21("6","7","4","6","3","6","4","1") = "6"
    & skf21("6","7","4","6","3","6","5","1") = "6"
    & skf21("6","7","4","6","3","6","6","1") = "6"
    & skf21("6","7","4","6","3","6","7","1") = "6"
    & skf21("6","7","4","6","3","7","1","1") = "6"
    & skf21("6","7","4","6","3","7","2","1") = "6"
    & skf21("6","7","4","6","3","7","3","1") = "6"
    & skf21("6","7","4","6","3","7","4","1") = "6"
    & skf21("6","7","4","6","3","7","5","1") = "6"
    & skf21("6","7","4","6","3","7","6","1") = "6"
    & skf21("6","7","4","6","3","7","7","1") = "6"
    & skf21("6","7","4","6","4","1","1","1") = "6"
    & skf21("6","7","4","6","4","1","2","1") = "6"
    & skf21("6","7","4","6","4","1","3","1") = "6"
    & skf21("6","7","4","6","4","1","4","1") = "6"
    & skf21("6","7","4","6","4","1","5","1") = "6"
    & skf21("6","7","4","6","4","1","6","1") = "6"
    & skf21("6","7","4","6","4","1","7","1") = "6"
    & skf21("6","7","4","6","4","2","1","1") = "6"
    & skf21("6","7","4","6","4","2","2","1") = "6"
    & skf21("6","7","4","6","4","2","3","1") = "6"
    & skf21("6","7","4","6","4","2","4","1") = "6"
    & skf21("6","7","4","6","4","2","5","1") = "6"
    & skf21("6","7","4","6","4","2","6","1") = "6"
    & skf21("6","7","4","6","4","2","7","1") = "6"
    & skf21("6","7","4","6","4","3","1","1") = "6"
    & skf21("6","7","4","6","4","3","2","1") = "6"
    & skf21("6","7","4","6","4","3","3","1") = "6"
    & skf21("6","7","4","6","4","3","4","1") = "6"
    & skf21("6","7","4","6","4","3","5","1") = "6"
    & skf21("6","7","4","6","4","3","6","1") = "6"
    & skf21("6","7","4","6","4","3","7","1") = "6"
    & skf21("6","7","4","6","4","4","1","1") = "6"
    & skf21("6","7","4","6","4","4","2","1") = "6"
    & skf21("6","7","4","6","4","4","3","1") = "6"
    & skf21("6","7","4","6","4","4","4","1") = "6"
    & skf21("6","7","4","6","4","4","5","1") = "6"
    & skf21("6","7","4","6","4","4","6","1") = "6"
    & skf21("6","7","4","6","4","4","7","1") = "6"
    & skf21("6","7","4","6","4","5","1","1") = "6"
    & skf21("6","7","4","6","4","5","2","1") = "6"
    & skf21("6","7","4","6","4","5","3","1") = "6"
    & skf21("6","7","4","6","4","5","4","1") = "6"
    & skf21("6","7","4","6","4","5","5","1") = "6"
    & skf21("6","7","4","6","4","5","6","1") = "6"
    & skf21("6","7","4","6","4","5","7","1") = "6"
    & skf21("6","7","4","6","4","6","1","1") = "6"
    & skf21("6","7","4","6","4","6","2","1") = "6"
    & skf21("6","7","4","6","4","6","3","1") = "6"
    & skf21("6","7","4","6","4","6","4","1") = "6"
    & skf21("6","7","4","6","4","6","5","1") = "6"
    & skf21("6","7","4","6","4","6","6","1") = "6"
    & skf21("6","7","4","6","4","6","7","1") = "6"
    & skf21("6","7","4","6","4","7","1","1") = "6"
    & skf21("6","7","4","6","4","7","2","1") = "6"
    & skf21("6","7","4","6","4","7","3","1") = "6"
    & skf21("6","7","4","6","4","7","4","1") = "6"
    & skf21("6","7","4","6","4","7","5","1") = "6"
    & skf21("6","7","4","6","4","7","6","1") = "6"
    & skf21("6","7","4","6","4","7","7","1") = "6"
    & skf21("6","7","4","6","5","1","1","1") = "6"
    & skf21("6","7","4","6","5","1","2","1") = "6"
    & skf21("6","7","4","6","5","1","3","1") = "6"
    & skf21("6","7","4","6","5","1","4","1") = "6"
    & skf21("6","7","4","6","5","1","5","1") = "6"
    & skf21("6","7","4","6","5","1","6","1") = "6"
    & skf21("6","7","4","6","5","1","7","1") = "6"
    & skf21("6","7","4","6","5","2","1","1") = "6"
    & skf21("6","7","4","6","5","2","2","1") = "6"
    & skf21("6","7","4","6","5","2","3","1") = "6"
    & skf21("6","7","4","6","5","2","4","1") = "6"
    & skf21("6","7","4","6","5","2","5","1") = "6"
    & skf21("6","7","4","6","5","2","6","1") = "6"
    & skf21("6","7","4","6","5","2","7","1") = "6"
    & skf21("6","7","4","6","5","3","1","1") = "6"
    & skf21("6","7","4","6","5","3","2","1") = "6"
    & skf21("6","7","4","6","5","3","3","1") = "6"
    & skf21("6","7","4","6","5","3","4","1") = "6"
    & skf21("6","7","4","6","5","3","5","1") = "6"
    & skf21("6","7","4","6","5","3","6","1") = "6"
    & skf21("6","7","4","6","5","3","7","1") = "6"
    & skf21("6","7","4","6","5","4","1","1") = "6"
    & skf21("6","7","4","6","5","4","2","1") = "6"
    & skf21("6","7","4","6","5","4","3","1") = "6"
    & skf21("6","7","4","6","5","4","4","1") = "6"
    & skf21("6","7","4","6","5","4","5","1") = "6"
    & skf21("6","7","4","6","5","4","6","1") = "6"
    & skf21("6","7","4","6","5","4","7","1") = "6"
    & skf21("6","7","4","6","5","5","1","1") = "6"
    & skf21("6","7","4","6","5","5","2","1") = "6"
    & skf21("6","7","4","6","5","5","3","1") = "6"
    & skf21("6","7","4","6","5","5","4","1") = "6"
    & skf21("6","7","4","6","5","5","5","1") = "6"
    & skf21("6","7","4","6","5","5","6","1") = "6"
    & skf21("6","7","4","6","5","5","7","1") = "6"
    & skf21("6","7","4","6","5","6","1","1") = "6"
    & skf21("6","7","4","6","5","6","2","1") = "6"
    & skf21("6","7","4","6","5","6","3","1") = "6"
    & skf21("6","7","4","6","5","6","4","1") = "6"
    & skf21("6","7","4","6","5","6","5","1") = "6"
    & skf21("6","7","4","6","5","6","6","1") = "6"
    & skf21("6","7","4","6","5","6","7","1") = "6"
    & skf21("6","7","4","6","5","7","1","1") = "6"
    & skf21("6","7","4","6","5","7","2","1") = "6"
    & skf21("6","7","4","6","5","7","3","1") = "6"
    & skf21("6","7","4","6","5","7","4","1") = "6"
    & skf21("6","7","4","6","5","7","5","1") = "6"
    & skf21("6","7","4","6","5","7","6","1") = "6"
    & skf21("6","7","4","6","5","7","7","1") = "6"
    & skf21("6","7","4","6","6","1","1","1") = "6"
    & skf21("6","7","4","6","6","1","2","1") = "6"
    & skf21("6","7","4","6","6","1","3","1") = "6"
    & skf21("6","7","4","6","6","1","4","1") = "6"
    & skf21("6","7","4","6","6","1","5","1") = "6"
    & skf21("6","7","4","6","6","1","6","1") = "6"
    & skf21("6","7","4","6","6","1","7","1") = "6"
    & skf21("6","7","4","6","6","2","1","1") = "6"
    & skf21("6","7","4","6","6","2","2","1") = "6"
    & skf21("6","7","4","6","6","2","3","1") = "6"
    & skf21("6","7","4","6","6","2","4","1") = "6"
    & skf21("6","7","4","6","6","2","5","1") = "6"
    & skf21("6","7","4","6","6","2","6","1") = "6"
    & skf21("6","7","4","6","6","2","7","1") = "6"
    & skf21("6","7","4","6","6","3","1","1") = "6"
    & skf21("6","7","4","6","6","3","2","1") = "6"
    & skf21("6","7","4","6","6","3","3","1") = "6"
    & skf21("6","7","4","6","6","3","4","1") = "6"
    & skf21("6","7","4","6","6","3","5","1") = "6"
    & skf21("6","7","4","6","6","3","6","1") = "6"
    & skf21("6","7","4","6","6","3","7","1") = "6"
    & skf21("6","7","4","6","6","4","1","1") = "6"
    & skf21("6","7","4","6","6","4","2","1") = "6"
    & skf21("6","7","4","6","6","4","3","1") = "6"
    & skf21("6","7","4","6","6","4","4","1") = "6"
    & skf21("6","7","4","6","6","4","5","1") = "6"
    & skf21("6","7","4","6","6","4","6","1") = "6"
    & skf21("6","7","4","6","6","4","7","1") = "6"
    & skf21("6","7","4","6","6","5","1","1") = "6"
    & skf21("6","7","4","6","6","5","2","1") = "6"
    & skf21("6","7","4","6","6","5","3","1") = "6"
    & skf21("6","7","4","6","6","5","4","1") = "6"
    & skf21("6","7","4","6","6","5","5","1") = "6"
    & skf21("6","7","4","6","6","5","6","1") = "6"
    & skf21("6","7","4","6","6","5","7","1") = "6"
    & skf21("6","7","4","6","6","6","1","1") = "6"
    & skf21("6","7","4","6","6","6","2","1") = "6"
    & skf21("6","7","4","6","6","6","3","1") = "6"
    & skf21("6","7","4","6","6","6","4","1") = "6"
    & skf21("6","7","4","6","6","6","5","1") = "6"
    & skf21("6","7","4","6","6","6","6","1") = "6"
    & skf21("6","7","4","6","6","6","7","1") = "6"
    & skf21("6","7","4","6","6","7","1","1") = "6"
    & skf21("6","7","4","6","6","7","2","1") = "6"
    & skf21("6","7","4","6","6","7","3","1") = "6"
    & skf21("6","7","4","6","6","7","4","1") = "6"
    & skf21("6","7","4","6","6","7","5","1") = "6"
    & skf21("6","7","4","6","6","7","6","1") = "6"
    & skf21("6","7","4","6","6","7","7","1") = "6"
    & skf21("6","7","4","6","7","1","1","1") = "6"
    & skf21("6","7","4","6","7","1","2","1") = "6"
    & skf21("6","7","4","6","7","1","3","1") = "6"
    & skf21("6","7","4","6","7","1","4","1") = "6"
    & skf21("6","7","4","6","7","1","5","1") = "6"
    & skf21("6","7","4","6","7","1","6","1") = "6"
    & skf21("6","7","4","6","7","1","7","1") = "6"
    & skf21("6","7","4","6","7","2","1","1") = "6"
    & skf21("6","7","4","6","7","2","2","1") = "6"
    & skf21("6","7","4","6","7","2","3","1") = "6"
    & skf21("6","7","4","6","7","2","4","1") = "6"
    & skf21("6","7","4","6","7","2","5","1") = "6"
    & skf21("6","7","4","6","7","2","6","1") = "6"
    & skf21("6","7","4","6","7","2","7","1") = "6"
    & skf21("6","7","4","6","7","3","1","1") = "6"
    & skf21("6","7","4","6","7","3","2","1") = "6"
    & skf21("6","7","4","6","7","3","3","1") = "6"
    & skf21("6","7","4","6","7","3","4","1") = "6"
    & skf21("6","7","4","6","7","3","5","1") = "6"
    & skf21("6","7","4","6","7","3","6","1") = "6"
    & skf21("6","7","4","6","7","3","7","1") = "6"
    & skf21("6","7","4","6","7","4","1","1") = "6"
    & skf21("6","7","4","6","7","4","2","1") = "6"
    & skf21("6","7","4","6","7","4","3","1") = "6"
    & skf21("6","7","4","6","7","4","4","1") = "6"
    & skf21("6","7","4","6","7","4","5","1") = "6"
    & skf21("6","7","4","6","7","4","6","1") = "6"
    & skf21("6","7","4","6","7","4","7","1") = "6"
    & skf21("6","7","4","6","7","5","1","1") = "6"
    & skf21("6","7","4","6","7","5","2","1") = "6"
    & skf21("6","7","4","6","7","5","3","1") = "6"
    & skf21("6","7","4","6","7","5","4","1") = "6"
    & skf21("6","7","4","6","7","5","5","1") = "6"
    & skf21("6","7","4","6","7","5","6","1") = "6"
    & skf21("6","7","4","6","7","5","7","1") = "6"
    & skf21("6","7","4","6","7","6","1","1") = "6"
    & skf21("6","7","4","6","7","6","2","1") = "6"
    & skf21("6","7","4","6","7","6","3","1") = "6"
    & skf21("6","7","4","6","7","6","4","1") = "6"
    & skf21("6","7","4","6","7","6","5","1") = "6"
    & skf21("6","7","4","6","7","6","6","1") = "6"
    & skf21("6","7","4","6","7","6","7","1") = "6"
    & skf21("6","7","4","6","7","7","1","1") = "6"
    & skf21("6","7","4","6","7","7","2","1") = "6"
    & skf21("6","7","4","6","7","7","3","1") = "6"
    & skf21("6","7","4","6","7","7","4","1") = "6"
    & skf21("6","7","4","6","7","7","5","1") = "6"
    & skf21("6","7","4","6","7","7","6","1") = "6"
    & skf21("6","7","4","6","7","7","7","1") = "6"
    & skf21("6","7","4","7","1","1","1","1") = "6"
    & skf21("6","7","4","7","1","1","2","1") = "6"
    & skf21("6","7","4","7","1","1","3","1") = "6"
    & skf21("6","7","4","7","1","1","4","1") = "6"
    & skf21("6","7","4","7","1","1","5","1") = "6"
    & skf21("6","7","4","7","1","1","6","1") = "6"
    & skf21("6","7","4","7","1","1","7","1") = "6"
    & skf21("6","7","4","7","1","2","1","1") = "6"
    & skf21("6","7","4","7","1","2","2","1") = "6"
    & skf21("6","7","4","7","1","2","3","1") = "6"
    & skf21("6","7","4","7","1","2","4","1") = "6"
    & skf21("6","7","4","7","1","2","5","1") = "6"
    & skf21("6","7","4","7","1","2","6","1") = "6"
    & skf21("6","7","4","7","1","2","7","1") = "6"
    & skf21("6","7","4","7","1","3","1","1") = "6"
    & skf21("6","7","4","7","1","3","2","1") = "6"
    & skf21("6","7","4","7","1","3","3","1") = "6"
    & skf21("6","7","4","7","1","3","4","1") = "6"
    & skf21("6","7","4","7","1","3","5","1") = "6"
    & skf21("6","7","4","7","1","3","6","1") = "6"
    & skf21("6","7","4","7","1","3","7","1") = "6"
    & skf21("6","7","4","7","1","4","1","1") = "6"
    & skf21("6","7","4","7","1","4","2","1") = "6"
    & skf21("6","7","4","7","1","4","3","1") = "6"
    & skf21("6","7","4","7","1","4","4","1") = "6"
    & skf21("6","7","4","7","1","4","5","1") = "6"
    & skf21("6","7","4","7","1","4","6","1") = "6"
    & skf21("6","7","4","7","1","4","7","1") = "6"
    & skf21("6","7","4","7","1","5","1","1") = "6"
    & skf21("6","7","4","7","1","5","2","1") = "6"
    & skf21("6","7","4","7","1","5","3","1") = "6"
    & skf21("6","7","4","7","1","5","4","1") = "6"
    & skf21("6","7","4","7","1","5","5","1") = "6"
    & skf21("6","7","4","7","1","5","6","1") = "6"
    & skf21("6","7","4","7","1","5","7","1") = "6"
    & skf21("6","7","4","7","1","6","1","1") = "6"
    & skf21("6","7","4","7","1","6","2","1") = "6"
    & skf21("6","7","4","7","1","6","3","1") = "6"
    & skf21("6","7","4","7","1","6","4","1") = "6"
    & skf21("6","7","4","7","1","6","5","1") = "6"
    & skf21("6","7","4","7","1","6","6","1") = "6"
    & skf21("6","7","4","7","1","6","7","1") = "6"
    & skf21("6","7","4","7","1","7","1","1") = "6"
    & skf21("6","7","4","7","1","7","2","1") = "6"
    & skf21("6","7","4","7","1","7","3","1") = "6"
    & skf21("6","7","4","7","1","7","4","1") = "6"
    & skf21("6","7","4","7","1","7","5","1") = "6"
    & skf21("6","7","4","7","1","7","6","1") = "6"
    & skf21("6","7","4","7","1","7","7","1") = "6"
    & skf21("6","7","4","7","2","1","1","1") = "6"
    & skf21("6","7","4","7","2","1","2","1") = "6"
    & skf21("6","7","4","7","2","1","3","1") = "6"
    & skf21("6","7","4","7","2","1","4","1") = "6"
    & skf21("6","7","4","7","2","1","5","1") = "6"
    & skf21("6","7","4","7","2","1","6","1") = "6"
    & skf21("6","7","4","7","2","1","7","1") = "6"
    & skf21("6","7","4","7","2","2","1","1") = "6"
    & skf21("6","7","4","7","2","2","2","1") = "6"
    & skf21("6","7","4","7","2","2","3","1") = "6"
    & skf21("6","7","4","7","2","2","4","1") = "6"
    & skf21("6","7","4","7","2","2","5","1") = "6"
    & skf21("6","7","4","7","2","2","6","1") = "6"
    & skf21("6","7","4","7","2","2","7","1") = "6"
    & skf21("6","7","4","7","2","3","1","1") = "6"
    & skf21("6","7","4","7","2","3","2","1") = "6"
    & skf21("6","7","4","7","2","3","3","1") = "6"
    & skf21("6","7","4","7","2","3","4","1") = "6"
    & skf21("6","7","4","7","2","3","5","1") = "6"
    & skf21("6","7","4","7","2","3","6","1") = "6"
    & skf21("6","7","4","7","2","3","7","1") = "6"
    & skf21("6","7","4","7","2","4","1","1") = "6"
    & skf21("6","7","4","7","2","4","2","1") = "6"
    & skf21("6","7","4","7","2","4","3","1") = "6"
    & skf21("6","7","4","7","2","4","4","1") = "6"
    & skf21("6","7","4","7","2","4","5","1") = "6"
    & skf21("6","7","4","7","2","4","6","1") = "6"
    & skf21("6","7","4","7","2","4","7","1") = "6"
    & skf21("6","7","4","7","2","5","1","1") = "6"
    & skf21("6","7","4","7","2","5","2","1") = "6"
    & skf21("6","7","4","7","2","5","3","1") = "6"
    & skf21("6","7","4","7","2","5","4","1") = "6"
    & skf21("6","7","4","7","2","5","5","1") = "6"
    & skf21("6","7","4","7","2","5","6","1") = "6"
    & skf21("6","7","4","7","2","5","7","1") = "6"
    & skf21("6","7","4","7","2","6","1","1") = "6"
    & skf21("6","7","4","7","2","6","2","1") = "6"
    & skf21("6","7","4","7","2","6","3","1") = "6"
    & skf21("6","7","4","7","2","6","4","1") = "6"
    & skf21("6","7","4","7","2","6","5","1") = "6"
    & skf21("6","7","4","7","2","6","6","1") = "6"
    & skf21("6","7","4","7","2","6","7","1") = "6"
    & skf21("6","7","4","7","2","7","1","1") = "6"
    & skf21("6","7","4","7","2","7","2","1") = "6"
    & skf21("6","7","4","7","2","7","3","1") = "6"
    & skf21("6","7","4","7","2","7","4","1") = "6"
    & skf21("6","7","4","7","2","7","5","1") = "6"
    & skf21("6","7","4","7","2","7","6","1") = "6"
    & skf21("6","7","4","7","2","7","7","1") = "6"
    & skf21("6","7","4","7","3","1","1","1") = "6"
    & skf21("6","7","4","7","3","1","2","1") = "6"
    & skf21("6","7","4","7","3","1","3","1") = "6"
    & skf21("6","7","4","7","3","1","4","1") = "6"
    & skf21("6","7","4","7","3","1","5","1") = "6"
    & skf21("6","7","4","7","3","1","6","1") = "6"
    & skf21("6","7","4","7","3","1","7","1") = "6"
    & skf21("6","7","4","7","3","2","1","1") = "6"
    & skf21("6","7","4","7","3","2","2","1") = "6"
    & skf21("6","7","4","7","3","2","3","1") = "6"
    & skf21("6","7","4","7","3","2","4","1") = "6"
    & skf21("6","7","4","7","3","2","5","1") = "6"
    & skf21("6","7","4","7","3","2","6","1") = "6"
    & skf21("6","7","4","7","3","2","7","1") = "6"
    & skf21("6","7","4","7","3","3","1","1") = "6"
    & skf21("6","7","4","7","3","3","2","1") = "6"
    & skf21("6","7","4","7","3","3","3","1") = "6"
    & skf21("6","7","4","7","3","3","4","1") = "6"
    & skf21("6","7","4","7","3","3","5","1") = "6"
    & skf21("6","7","4","7","3","3","6","1") = "6"
    & skf21("6","7","4","7","3","3","7","1") = "6"
    & skf21("6","7","4","7","3","4","1","1") = "6"
    & skf21("6","7","4","7","3","4","2","1") = "6"
    & skf21("6","7","4","7","3","4","3","1") = "6"
    & skf21("6","7","4","7","3","4","4","1") = "6"
    & skf21("6","7","4","7","3","4","5","1") = "6"
    & skf21("6","7","4","7","3","4","6","1") = "6"
    & skf21("6","7","4","7","3","4","7","1") = "6"
    & skf21("6","7","4","7","3","5","1","1") = "6"
    & skf21("6","7","4","7","3","5","2","1") = "6"
    & skf21("6","7","4","7","3","5","3","1") = "6"
    & skf21("6","7","4","7","3","5","4","1") = "6"
    & skf21("6","7","4","7","3","5","5","1") = "6"
    & skf21("6","7","4","7","3","5","6","1") = "6"
    & skf21("6","7","4","7","3","5","7","1") = "6"
    & skf21("6","7","4","7","3","6","1","1") = "6"
    & skf21("6","7","4","7","3","6","2","1") = "6"
    & skf21("6","7","4","7","3","6","3","1") = "6"
    & skf21("6","7","4","7","3","6","4","1") = "6"
    & skf21("6","7","4","7","3","6","5","1") = "6"
    & skf21("6","7","4","7","3","6","6","1") = "6"
    & skf21("6","7","4","7","3","6","7","1") = "6"
    & skf21("6","7","4","7","3","7","1","1") = "6"
    & skf21("6","7","4","7","3","7","2","1") = "6"
    & skf21("6","7","4","7","3","7","3","1") = "6"
    & skf21("6","7","4","7","3","7","4","1") = "6"
    & skf21("6","7","4","7","3","7","5","1") = "6"
    & skf21("6","7","4","7","3","7","6","1") = "6"
    & skf21("6","7","4","7","3","7","7","1") = "6"
    & skf21("6","7","4","7","4","1","1","1") = "6"
    & skf21("6","7","4","7","4","1","2","1") = "6"
    & skf21("6","7","4","7","4","1","3","1") = "6"
    & skf21("6","7","4","7","4","1","4","1") = "6"
    & skf21("6","7","4","7","4","1","5","1") = "6"
    & skf21("6","7","4","7","4","1","6","1") = "6"
    & skf21("6","7","4","7","4","1","7","1") = "6"
    & skf21("6","7","4","7","4","2","1","1") = "6"
    & skf21("6","7","4","7","4","2","2","1") = "6"
    & skf21("6","7","4","7","4","2","3","1") = "6"
    & skf21("6","7","4","7","4","2","4","1") = "6"
    & skf21("6","7","4","7","4","2","5","1") = "6"
    & skf21("6","7","4","7","4","2","6","1") = "6"
    & skf21("6","7","4","7","4","2","7","1") = "6"
    & skf21("6","7","4","7","4","3","1","1") = "6"
    & skf21("6","7","4","7","4","3","2","1") = "6"
    & skf21("6","7","4","7","4","3","3","1") = "6"
    & skf21("6","7","4","7","4","3","4","1") = "6"
    & skf21("6","7","4","7","4","3","5","1") = "6"
    & skf21("6","7","4","7","4","3","6","1") = "6"
    & skf21("6","7","4","7","4","3","7","1") = "6"
    & skf21("6","7","4","7","4","4","1","1") = "6"
    & skf21("6","7","4","7","4","4","2","1") = "6"
    & skf21("6","7","4","7","4","4","3","1") = "6"
    & skf21("6","7","4","7","4","4","4","1") = "6"
    & skf21("6","7","4","7","4","4","5","1") = "6"
    & skf21("6","7","4","7","4","4","6","1") = "6"
    & skf21("6","7","4","7","4","4","7","1") = "6"
    & skf21("6","7","4","7","4","5","1","1") = "6"
    & skf21("6","7","4","7","4","5","2","1") = "6"
    & skf21("6","7","4","7","4","5","3","1") = "6"
    & skf21("6","7","4","7","4","5","4","1") = "6"
    & skf21("6","7","4","7","4","5","5","1") = "6"
    & skf21("6","7","4","7","4","5","6","1") = "6"
    & skf21("6","7","4","7","4","5","7","1") = "6"
    & skf21("6","7","4","7","4","6","1","1") = "6"
    & skf21("6","7","4","7","4","6","2","1") = "6"
    & skf21("6","7","4","7","4","6","3","1") = "6"
    & skf21("6","7","4","7","4","6","4","1") = "6"
    & skf21("6","7","4","7","4","6","5","1") = "6"
    & skf21("6","7","4","7","4","6","6","1") = "6"
    & skf21("6","7","4","7","4","6","7","1") = "6"
    & skf21("6","7","4","7","4","7","1","1") = "6"
    & skf21("6","7","4","7","4","7","2","1") = "6"
    & skf21("6","7","4","7","4","7","3","1") = "6"
    & skf21("6","7","4","7","4","7","4","1") = "6"
    & skf21("6","7","4","7","4","7","5","1") = "6"
    & skf21("6","7","4","7","4","7","6","1") = "6"
    & skf21("6","7","4","7","4","7","7","1") = "6"
    & skf21("6","7","4","7","5","1","1","1") = "6"
    & skf21("6","7","4","7","5","1","2","1") = "6"
    & skf21("6","7","4","7","5","1","3","1") = "6"
    & skf21("6","7","4","7","5","1","4","1") = "6"
    & skf21("6","7","4","7","5","1","5","1") = "6"
    & skf21("6","7","4","7","5","1","6","1") = "6"
    & skf21("6","7","4","7","5","1","7","1") = "6"
    & skf21("6","7","4","7","5","2","1","1") = "6"
    & skf21("6","7","4","7","5","2","2","1") = "6"
    & skf21("6","7","4","7","5","2","3","1") = "6"
    & skf21("6","7","4","7","5","2","4","1") = "6"
    & skf21("6","7","4","7","5","2","5","1") = "6"
    & skf21("6","7","4","7","5","2","6","1") = "6"
    & skf21("6","7","4","7","5","2","7","1") = "6"
    & skf21("6","7","4","7","5","3","1","1") = "6"
    & skf21("6","7","4","7","5","3","2","1") = "6"
    & skf21("6","7","4","7","5","3","3","1") = "6"
    & skf21("6","7","4","7","5","3","4","1") = "6"
    & skf21("6","7","4","7","5","3","5","1") = "6"
    & skf21("6","7","4","7","5","3","6","1") = "6"
    & skf21("6","7","4","7","5","3","7","1") = "6"
    & skf21("6","7","4","7","5","4","1","1") = "6"
    & skf21("6","7","4","7","5","4","2","1") = "6"
    & skf21("6","7","4","7","5","4","3","1") = "6"
    & skf21("6","7","4","7","5","4","4","1") = "6"
    & skf21("6","7","4","7","5","4","5","1") = "6"
    & skf21("6","7","4","7","5","4","6","1") = "6"
    & skf21("6","7","4","7","5","4","7","1") = "6"
    & skf21("6","7","4","7","5","5","1","1") = "6"
    & skf21("6","7","4","7","5","5","2","1") = "6"
    & skf21("6","7","4","7","5","5","3","1") = "6"
    & skf21("6","7","4","7","5","5","4","1") = "6"
    & skf21("6","7","4","7","5","5","5","1") = "6"
    & skf21("6","7","4","7","5","5","6","1") = "6"
    & skf21("6","7","4","7","5","5","7","1") = "6"
    & skf21("6","7","4","7","5","6","1","1") = "6"
    & skf21("6","7","4","7","5","6","2","1") = "6"
    & skf21("6","7","4","7","5","6","3","1") = "6"
    & skf21("6","7","4","7","5","6","4","1") = "6"
    & skf21("6","7","4","7","5","6","5","1") = "6"
    & skf21("6","7","4","7","5","6","6","1") = "6"
    & skf21("6","7","4","7","5","6","7","1") = "6"
    & skf21("6","7","4","7","5","7","1","1") = "6"
    & skf21("6","7","4","7","5","7","2","1") = "6"
    & skf21("6","7","4","7","5","7","3","1") = "6"
    & skf21("6","7","4","7","5","7","4","1") = "6"
    & skf21("6","7","4","7","5","7","5","1") = "6"
    & skf21("6","7","4","7","5","7","6","1") = "6"
    & skf21("6","7","4","7","5","7","7","1") = "6"
    & skf21("6","7","4","7","6","1","1","1") = "6"
    & skf21("6","7","4","7","6","1","2","1") = "6"
    & skf21("6","7","4","7","6","1","3","1") = "6"
    & skf21("6","7","4","7","6","1","4","1") = "6"
    & skf21("6","7","4","7","6","1","5","1") = "6"
    & skf21("6","7","4","7","6","1","6","1") = "6"
    & skf21("6","7","4","7","6","1","7","1") = "6"
    & skf21("6","7","4","7","6","2","1","1") = "6"
    & skf21("6","7","4","7","6","2","2","1") = "6"
    & skf21("6","7","4","7","6","2","3","1") = "6"
    & skf21("6","7","4","7","6","2","4","1") = "6"
    & skf21("6","7","4","7","6","2","5","1") = "6"
    & skf21("6","7","4","7","6","2","6","1") = "6"
    & skf21("6","7","4","7","6","2","7","1") = "6"
    & skf21("6","7","4","7","6","3","1","1") = "6"
    & skf21("6","7","4","7","6","3","2","1") = "6"
    & skf21("6","7","4","7","6","3","3","1") = "6"
    & skf21("6","7","4","7","6","3","4","1") = "6"
    & skf21("6","7","4","7","6","3","5","1") = "6"
    & skf21("6","7","4","7","6","3","6","1") = "6"
    & skf21("6","7","4","7","6","3","7","1") = "6"
    & skf21("6","7","4","7","6","4","1","1") = "6"
    & skf21("6","7","4","7","6","4","2","1") = "6"
    & skf21("6","7","4","7","6","4","3","1") = "6"
    & skf21("6","7","4","7","6","4","4","1") = "6"
    & skf21("6","7","4","7","6","4","5","1") = "6"
    & skf21("6","7","4","7","6","4","6","1") = "6"
    & skf21("6","7","4","7","6","4","7","1") = "6"
    & skf21("6","7","4","7","6","5","1","1") = "6"
    & skf21("6","7","4","7","6","5","2","1") = "6"
    & skf21("6","7","4","7","6","5","3","1") = "6"
    & skf21("6","7","4","7","6","5","4","1") = "6"
    & skf21("6","7","4","7","6","5","5","1") = "6"
    & skf21("6","7","4","7","6","5","6","1") = "6"
    & skf21("6","7","4","7","6","5","7","1") = "6"
    & skf21("6","7","4","7","6","6","1","1") = "6"
    & skf21("6","7","4","7","6","6","2","1") = "6"
    & skf21("6","7","4","7","6","6","3","1") = "6"
    & skf21("6","7","4","7","6","6","4","1") = "6"
    & skf21("6","7","4","7","6","6","5","1") = "6"
    & skf21("6","7","4","7","6","6","6","1") = "6"
    & skf21("6","7","4","7","6","6","7","1") = "6"
    & skf21("6","7","4","7","6","7","1","1") = "6"
    & skf21("6","7","4","7","6","7","2","1") = "6"
    & skf21("6","7","4","7","6","7","3","1") = "6"
    & skf21("6","7","4","7","6","7","4","1") = "6"
    & skf21("6","7","4","7","6","7","5","1") = "6"
    & skf21("6","7","4","7","6","7","6","1") = "6"
    & skf21("6","7","4","7","6","7","7","1") = "6"
    & skf21("6","7","4","7","7","1","1","1") = "6"
    & skf21("6","7","4","7","7","1","2","1") = "6"
    & skf21("6","7","4","7","7","1","3","1") = "6"
    & skf21("6","7","4","7","7","1","4","1") = "6"
    & skf21("6","7","4","7","7","1","5","1") = "6"
    & skf21("6","7","4","7","7","1","6","1") = "6"
    & skf21("6","7","4","7","7","1","7","1") = "6"
    & skf21("6","7","4","7","7","2","1","1") = "6"
    & skf21("6","7","4","7","7","2","2","1") = "6"
    & skf21("6","7","4","7","7","2","3","1") = "6"
    & skf21("6","7","4","7","7","2","4","1") = "6"
    & skf21("6","7","4","7","7","2","5","1") = "6"
    & skf21("6","7","4","7","7","2","6","1") = "6"
    & skf21("6","7","4","7","7","2","7","1") = "6"
    & skf21("6","7","4","7","7","3","1","1") = "6"
    & skf21("6","7","4","7","7","3","2","1") = "6"
    & skf21("6","7","4","7","7","3","3","1") = "6"
    & skf21("6","7","4","7","7","3","4","1") = "6"
    & skf21("6","7","4","7","7","3","5","1") = "6"
    & skf21("6","7","4","7","7","3","6","1") = "6"
    & skf21("6","7","4","7","7","3","7","1") = "6"
    & skf21("6","7","4","7","7","4","1","1") = "6"
    & skf21("6","7","4","7","7","4","2","1") = "6"
    & skf21("6","7","4","7","7","4","3","1") = "6"
    & skf21("6","7","4","7","7","4","4","1") = "6"
    & skf21("6","7","4","7","7","4","5","1") = "6"
    & skf21("6","7","4","7","7","4","6","1") = "6"
    & skf21("6","7","4","7","7","4","7","1") = "6"
    & skf21("6","7","4","7","7","5","1","1") = "6"
    & skf21("6","7","4","7","7","5","2","1") = "6"
    & skf21("6","7","4","7","7","5","3","1") = "6"
    & skf21("6","7","4","7","7","5","4","1") = "6"
    & skf21("6","7","4","7","7","5","5","1") = "6"
    & skf21("6","7","4","7","7","5","6","1") = "6"
    & skf21("6","7","4","7","7","5","7","1") = "6"
    & skf21("6","7","4","7","7","6","1","1") = "6"
    & skf21("6","7","4","7","7","6","2","1") = "6"
    & skf21("6","7","4","7","7","6","3","1") = "6"
    & skf21("6","7","4","7","7","6","4","1") = "6"
    & skf21("6","7","4","7","7","6","5","1") = "6"
    & skf21("6","7","4","7","7","6","6","1") = "6"
    & skf21("6","7","4","7","7","6","7","1") = "6"
    & skf21("6","7","4","7","7","7","1","1") = "6"
    & skf21("6","7","4","7","7","7","2","1") = "6"
    & skf21("6","7","4","7","7","7","3","1") = "6"
    & skf21("6","7","4","7","7","7","4","1") = "6"
    & skf21("6","7","4","7","7","7","5","1") = "6"
    & skf21("6","7","4","7","7","7","6","1") = "6"
    & skf21("6","7","4","7","7","7","7","1") = "6"
    & skf21("6","7","5","1","1","1","1","1") = "6"
    & skf21("6","7","5","1","1","1","2","1") = "6"
    & skf21("6","7","5","1","1","1","3","1") = "6"
    & skf21("6","7","5","1","1","1","4","1") = "6"
    & skf21("6","7","5","1","1","1","5","1") = "6"
    & skf21("6","7","5","1","1","1","6","1") = "6"
    & skf21("6","7","5","1","1","1","7","1") = "6"
    & skf21("6","7","5","1","1","2","1","1") = "6"
    & skf21("6","7","5","1","1","2","2","1") = "6"
    & skf21("6","7","5","1","1","2","3","1") = "6"
    & skf21("6","7","5","1","1","2","4","1") = "6"
    & skf21("6","7","5","1","1","2","5","1") = "6"
    & skf21("6","7","5","1","1","2","6","1") = "6"
    & skf21("6","7","5","1","1","2","7","1") = "6"
    & skf21("6","7","5","1","1","3","1","1") = "6"
    & skf21("6","7","5","1","1","3","2","1") = "6"
    & skf21("6","7","5","1","1","3","3","1") = "6"
    & skf21("6","7","5","1","1","3","4","1") = "6"
    & skf21("6","7","5","1","1","3","5","1") = "6"
    & skf21("6","7","5","1","1","3","6","1") = "6"
    & skf21("6","7","5","1","1","3","7","1") = "6"
    & skf21("6","7","5","1","1","4","1","1") = "6"
    & skf21("6","7","5","1","1","4","2","1") = "6"
    & skf21("6","7","5","1","1","4","3","1") = "6"
    & skf21("6","7","5","1","1","4","4","1") = "6"
    & skf21("6","7","5","1","1","4","5","1") = "6"
    & skf21("6","7","5","1","1","4","6","1") = "6"
    & skf21("6","7","5","1","1","4","7","1") = "6"
    & skf21("6","7","5","1","1","5","1","1") = "6"
    & skf21("6","7","5","1","1","5","2","1") = "6"
    & skf21("6","7","5","1","1","5","3","1") = "6"
    & skf21("6","7","5","1","1","5","4","1") = "6"
    & skf21("6","7","5","1","1","5","5","1") = "6"
    & skf21("6","7","5","1","1","5","6","1") = "6"
    & skf21("6","7","5","1","1","5","7","1") = "6"
    & skf21("6","7","5","1","1","6","1","1") = "6"
    & skf21("6","7","5","1","1","6","2","1") = "6"
    & skf21("6","7","5","1","1","6","3","1") = "6"
    & skf21("6","7","5","1","1","6","4","1") = "6"
    & skf21("6","7","5","1","1","6","5","1") = "6"
    & skf21("6","7","5","1","1","6","6","1") = "6"
    & skf21("6","7","5","1","1","6","7","1") = "6"
    & skf21("6","7","5","1","1","7","1","1") = "6"
    & skf21("6","7","5","1","1","7","2","1") = "6"
    & skf21("6","7","5","1","1","7","3","1") = "6"
    & skf21("6","7","5","1","1","7","4","1") = "6"
    & skf21("6","7","5","1","1","7","5","1") = "6"
    & skf21("6","7","5","1","1","7","6","1") = "6"
    & skf21("6","7","5","1","1","7","7","1") = "6"
    & skf21("6","7","5","1","2","1","1","1") = "6"
    & skf21("6","7","5","1","2","1","2","1") = "6"
    & skf21("6","7","5","1","2","1","3","1") = "6"
    & skf21("6","7","5","1","2","1","4","1") = "6"
    & skf21("6","7","5","1","2","1","5","1") = "6"
    & skf21("6","7","5","1","2","1","6","1") = "6"
    & skf21("6","7","5","1","2","1","7","1") = "6"
    & skf21("6","7","5","1","2","2","1","1") = "6"
    & skf21("6","7","5","1","2","2","2","1") = "6"
    & skf21("6","7","5","1","2","2","3","1") = "6"
    & skf21("6","7","5","1","2","2","4","1") = "6"
    & skf21("6","7","5","1","2","2","5","1") = "6"
    & skf21("6","7","5","1","2","2","6","1") = "6"
    & skf21("6","7","5","1","2","2","7","1") = "6"
    & skf21("6","7","5","1","2","3","1","1") = "6"
    & skf21("6","7","5","1","2","3","2","1") = "6"
    & skf21("6","7","5","1","2","3","3","1") = "6"
    & skf21("6","7","5","1","2","3","4","1") = "6"
    & skf21("6","7","5","1","2","3","5","1") = "6"
    & skf21("6","7","5","1","2","3","6","1") = "6"
    & skf21("6","7","5","1","2","3","7","1") = "6"
    & skf21("6","7","5","1","2","4","1","1") = "6"
    & skf21("6","7","5","1","2","4","2","1") = "6"
    & skf21("6","7","5","1","2","4","3","1") = "6"
    & skf21("6","7","5","1","2","4","4","1") = "6"
    & skf21("6","7","5","1","2","4","5","1") = "6"
    & skf21("6","7","5","1","2","4","6","1") = "6"
    & skf21("6","7","5","1","2","4","7","1") = "6"
    & skf21("6","7","5","1","2","5","1","1") = "6"
    & skf21("6","7","5","1","2","5","2","1") = "6"
    & skf21("6","7","5","1","2","5","3","1") = "6"
    & skf21("6","7","5","1","2","5","4","1") = "6"
    & skf21("6","7","5","1","2","5","5","1") = "6"
    & skf21("6","7","5","1","2","5","6","1") = "6"
    & skf21("6","7","5","1","2","5","7","1") = "6"
    & skf21("6","7","5","1","2","6","1","1") = "6"
    & skf21("6","7","5","1","2","6","2","1") = "6"
    & skf21("6","7","5","1","2","6","3","1") = "6"
    & skf21("6","7","5","1","2","6","4","1") = "6"
    & skf21("6","7","5","1","2","6","5","1") = "6"
    & skf21("6","7","5","1","2","6","6","1") = "6"
    & skf21("6","7","5","1","2","6","7","1") = "6"
    & skf21("6","7","5","1","2","7","1","1") = "6"
    & skf21("6","7","5","1","2","7","2","1") = "6"
    & skf21("6","7","5","1","2","7","3","1") = "6"
    & skf21("6","7","5","1","2","7","4","1") = "6"
    & skf21("6","7","5","1","2","7","5","1") = "6"
    & skf21("6","7","5","1","2","7","6","1") = "6"
    & skf21("6","7","5","1","2","7","7","1") = "6"
    & skf21("6","7","5","1","3","1","1","1") = "6"
    & skf21("6","7","5","1","3","1","2","1") = "6"
    & skf21("6","7","5","1","3","1","3","1") = "6"
    & skf21("6","7","5","1","3","1","4","1") = "6"
    & skf21("6","7","5","1","3","1","5","1") = "6"
    & skf21("6","7","5","1","3","1","6","1") = "6"
    & skf21("6","7","5","1","3","1","7","1") = "6"
    & skf21("6","7","5","1","3","2","1","1") = "6"
    & skf21("6","7","5","1","3","2","2","1") = "6"
    & skf21("6","7","5","1","3","2","3","1") = "6"
    & skf21("6","7","5","1","3","2","4","1") = "6"
    & skf21("6","7","5","1","3","2","5","1") = "6"
    & skf21("6","7","5","1","3","2","6","1") = "6"
    & skf21("6","7","5","1","3","2","7","1") = "6"
    & skf21("6","7","5","1","3","3","1","1") = "6"
    & skf21("6","7","5","1","3","3","2","1") = "6"
    & skf21("6","7","5","1","3","3","3","1") = "6"
    & skf21("6","7","5","1","3","3","4","1") = "6"
    & skf21("6","7","5","1","3","3","5","1") = "6"
    & skf21("6","7","5","1","3","3","6","1") = "6"
    & skf21("6","7","5","1","3","3","7","1") = "6"
    & skf21("6","7","5","1","3","4","1","1") = "6"
    & skf21("6","7","5","1","3","4","2","1") = "6"
    & skf21("6","7","5","1","3","4","3","1") = "6"
    & skf21("6","7","5","1","3","4","4","1") = "6"
    & skf21("6","7","5","1","3","4","5","1") = "6"
    & skf21("6","7","5","1","3","4","6","1") = "6"
    & skf21("6","7","5","1","3","4","7","1") = "6"
    & skf21("6","7","5","1","3","5","1","1") = "6"
    & skf21("6","7","5","1","3","5","2","1") = "6"
    & skf21("6","7","5","1","3","5","3","1") = "6"
    & skf21("6","7","5","1","3","5","4","1") = "6"
    & skf21("6","7","5","1","3","5","5","1") = "6"
    & skf21("6","7","5","1","3","5","6","1") = "6"
    & skf21("6","7","5","1","3","5","7","1") = "6"
    & skf21("6","7","5","1","3","6","1","1") = "6"
    & skf21("6","7","5","1","3","6","2","1") = "6"
    & skf21("6","7","5","1","3","6","3","1") = "6"
    & skf21("6","7","5","1","3","6","4","1") = "6"
    & skf21("6","7","5","1","3","6","5","1") = "6"
    & skf21("6","7","5","1","3","6","6","1") = "6"
    & skf21("6","7","5","1","3","6","7","1") = "6"
    & skf21("6","7","5","1","3","7","1","1") = "6"
    & skf21("6","7","5","1","3","7","2","1") = "6"
    & skf21("6","7","5","1","3","7","3","1") = "6"
    & skf21("6","7","5","1","3","7","4","1") = "6"
    & skf21("6","7","5","1","3","7","5","1") = "6"
    & skf21("6","7","5","1","3","7","6","1") = "6"
    & skf21("6","7","5","1","3","7","7","1") = "6"
    & skf21("6","7","5","1","4","1","1","1") = "6"
    & skf21("6","7","5","1","4","1","2","1") = "6"
    & skf21("6","7","5","1","4","1","3","1") = "6"
    & skf21("6","7","5","1","4","1","4","1") = "6"
    & skf21("6","7","5","1","4","1","5","1") = "6"
    & skf21("6","7","5","1","4","1","6","1") = "6"
    & skf21("6","7","5","1","4","1","7","1") = "6"
    & skf21("6","7","5","1","4","2","1","1") = "6"
    & skf21("6","7","5","1","4","2","2","1") = "6"
    & skf21("6","7","5","1","4","2","3","1") = "6"
    & skf21("6","7","5","1","4","2","4","1") = "6"
    & skf21("6","7","5","1","4","2","5","1") = "6"
    & skf21("6","7","5","1","4","2","6","1") = "6"
    & skf21("6","7","5","1","4","2","7","1") = "6"
    & skf21("6","7","5","1","4","3","1","1") = "6"
    & skf21("6","7","5","1","4","3","2","1") = "6"
    & skf21("6","7","5","1","4","3","3","1") = "6"
    & skf21("6","7","5","1","4","3","4","1") = "6"
    & skf21("6","7","5","1","4","3","5","1") = "6"
    & skf21("6","7","5","1","4","3","6","1") = "6"
    & skf21("6","7","5","1","4","3","7","1") = "6"
    & skf21("6","7","5","1","4","4","1","1") = "6"
    & skf21("6","7","5","1","4","4","2","1") = "6"
    & skf21("6","7","5","1","4","4","3","1") = "6"
    & skf21("6","7","5","1","4","4","4","1") = "6"
    & skf21("6","7","5","1","4","4","5","1") = "6"
    & skf21("6","7","5","1","4","4","6","1") = "6"
    & skf21("6","7","5","1","4","4","7","1") = "6"
    & skf21("6","7","5","1","4","5","1","1") = "6"
    & skf21("6","7","5","1","4","5","2","1") = "6"
    & skf21("6","7","5","1","4","5","3","1") = "6"
    & skf21("6","7","5","1","4","5","4","1") = "6"
    & skf21("6","7","5","1","4","5","5","1") = "6"
    & skf21("6","7","5","1","4","5","6","1") = "6"
    & skf21("6","7","5","1","4","5","7","1") = "6"
    & skf21("6","7","5","1","4","6","1","1") = "6"
    & skf21("6","7","5","1","4","6","2","1") = "6"
    & skf21("6","7","5","1","4","6","3","1") = "6"
    & skf21("6","7","5","1","4","6","4","1") = "6"
    & skf21("6","7","5","1","4","6","5","1") = "6"
    & skf21("6","7","5","1","4","6","6","1") = "6"
    & skf21("6","7","5","1","4","6","7","1") = "6"
    & skf21("6","7","5","1","4","7","1","1") = "6"
    & skf21("6","7","5","1","4","7","2","1") = "6"
    & skf21("6","7","5","1","4","7","3","1") = "6"
    & skf21("6","7","5","1","4","7","4","1") = "6"
    & skf21("6","7","5","1","4","7","5","1") = "6"
    & skf21("6","7","5","1","4","7","6","1") = "6"
    & skf21("6","7","5","1","4","7","7","1") = "6"
    & skf21("6","7","5","1","5","1","1","1") = "6"
    & skf21("6","7","5","1","5","1","2","1") = "6"
    & skf21("6","7","5","1","5","1","3","1") = "6"
    & skf21("6","7","5","1","5","1","4","1") = "6"
    & skf21("6","7","5","1","5","1","5","1") = "6"
    & skf21("6","7","5","1","5","1","6","1") = "6"
    & skf21("6","7","5","1","5","1","7","1") = "6"
    & skf21("6","7","5","1","5","2","1","1") = "6"
    & skf21("6","7","5","1","5","2","2","1") = "6"
    & skf21("6","7","5","1","5","2","3","1") = "6"
    & skf21("6","7","5","1","5","2","4","1") = "6"
    & skf21("6","7","5","1","5","2","5","1") = "6"
    & skf21("6","7","5","1","5","2","6","1") = "6"
    & skf21("6","7","5","1","5","2","7","1") = "6"
    & skf21("6","7","5","1","5","3","1","1") = "6"
    & skf21("6","7","5","1","5","3","2","1") = "6"
    & skf21("6","7","5","1","5","3","3","1") = "6"
    & skf21("6","7","5","1","5","3","4","1") = "6"
    & skf21("6","7","5","1","5","3","5","1") = "6"
    & skf21("6","7","5","1","5","3","6","1") = "6"
    & skf21("6","7","5","1","5","3","7","1") = "6"
    & skf21("6","7","5","1","5","4","1","1") = "6"
    & skf21("6","7","5","1","5","4","2","1") = "6"
    & skf21("6","7","5","1","5","4","3","1") = "6"
    & skf21("6","7","5","1","5","4","4","1") = "6"
    & skf21("6","7","5","1","5","4","5","1") = "6"
    & skf21("6","7","5","1","5","4","6","1") = "6"
    & skf21("6","7","5","1","5","4","7","1") = "6"
    & skf21("6","7","5","1","5","5","1","1") = "6"
    & skf21("6","7","5","1","5","5","2","1") = "6"
    & skf21("6","7","5","1","5","5","3","1") = "6"
    & skf21("6","7","5","1","5","5","4","1") = "6"
    & skf21("6","7","5","1","5","5","5","1") = "6"
    & skf21("6","7","5","1","5","5","6","1") = "6"
    & skf21("6","7","5","1","5","5","7","1") = "6"
    & skf21("6","7","5","1","5","6","1","1") = "6"
    & skf21("6","7","5","1","5","6","2","1") = "6"
    & skf21("6","7","5","1","5","6","3","1") = "6"
    & skf21("6","7","5","1","5","6","4","1") = "6"
    & skf21("6","7","5","1","5","6","5","1") = "6"
    & skf21("6","7","5","1","5","6","6","1") = "6"
    & skf21("6","7","5","1","5","6","7","1") = "6"
    & skf21("6","7","5","1","5","7","1","1") = "6"
    & skf21("6","7","5","1","5","7","2","1") = "6"
    & skf21("6","7","5","1","5","7","3","1") = "6"
    & skf21("6","7","5","1","5","7","4","1") = "6"
    & skf21("6","7","5","1","5","7","5","1") = "6"
    & skf21("6","7","5","1","5","7","6","1") = "6"
    & skf21("6","7","5","1","5","7","7","1") = "6"
    & skf21("6","7","5","1","6","1","1","1") = "6"
    & skf21("6","7","5","1","6","1","2","1") = "6"
    & skf21("6","7","5","1","6","1","3","1") = "6"
    & skf21("6","7","5","1","6","1","4","1") = "6"
    & skf21("6","7","5","1","6","1","5","1") = "6"
    & skf21("6","7","5","1","6","1","6","1") = "6"
    & skf21("6","7","5","1","6","1","7","1") = "6"
    & skf21("6","7","5","1","6","2","1","1") = "6"
    & skf21("6","7","5","1","6","2","2","1") = "6"
    & skf21("6","7","5","1","6","2","3","1") = "6"
    & skf21("6","7","5","1","6","2","4","1") = "6"
    & skf21("6","7","5","1","6","2","5","1") = "6"
    & skf21("6","7","5","1","6","2","6","1") = "6"
    & skf21("6","7","5","1","6","2","7","1") = "6"
    & skf21("6","7","5","1","6","3","1","1") = "6"
    & skf21("6","7","5","1","6","3","2","1") = "6"
    & skf21("6","7","5","1","6","3","3","1") = "6"
    & skf21("6","7","5","1","6","3","4","1") = "6"
    & skf21("6","7","5","1","6","3","5","1") = "6"
    & skf21("6","7","5","1","6","3","6","1") = "6"
    & skf21("6","7","5","1","6","3","7","1") = "6"
    & skf21("6","7","5","1","6","4","1","1") = "6"
    & skf21("6","7","5","1","6","4","2","1") = "6"
    & skf21("6","7","5","1","6","4","3","1") = "6"
    & skf21("6","7","5","1","6","4","4","1") = "6"
    & skf21("6","7","5","1","6","4","5","1") = "6"
    & skf21("6","7","5","1","6","4","6","1") = "6"
    & skf21("6","7","5","1","6","4","7","1") = "6"
    & skf21("6","7","5","1","6","5","1","1") = "6"
    & skf21("6","7","5","1","6","5","2","1") = "6"
    & skf21("6","7","5","1","6","5","3","1") = "6"
    & skf21("6","7","5","1","6","5","4","1") = "6"
    & skf21("6","7","5","1","6","5","5","1") = "6"
    & skf21("6","7","5","1","6","5","6","1") = "6"
    & skf21("6","7","5","1","6","5","7","1") = "6"
    & skf21("6","7","5","1","6","6","1","1") = "6"
    & skf21("6","7","5","1","6","6","2","1") = "6"
    & skf21("6","7","5","1","6","6","3","1") = "6"
    & skf21("6","7","5","1","6","6","4","1") = "6"
    & skf21("6","7","5","1","6","6","5","1") = "6"
    & skf21("6","7","5","1","6","6","6","1") = "6"
    & skf21("6","7","5","1","6","6","7","1") = "6"
    & skf21("6","7","5","1","6","7","1","1") = "6"
    & skf21("6","7","5","1","6","7","2","1") = "6"
    & skf21("6","7","5","1","6","7","3","1") = "6"
    & skf21("6","7","5","1","6","7","4","1") = "6"
    & skf21("6","7","5","1","6","7","5","1") = "6"
    & skf21("6","7","5","1","6","7","6","1") = "6"
    & skf21("6","7","5","1","6","7","7","1") = "6"
    & skf21("6","7","5","1","7","1","1","1") = "6"
    & skf21("6","7","5","1","7","1","2","1") = "6"
    & skf21("6","7","5","1","7","1","3","1") = "6"
    & skf21("6","7","5","1","7","1","4","1") = "6"
    & skf21("6","7","5","1","7","1","5","1") = "6"
    & skf21("6","7","5","1","7","1","6","1") = "6"
    & skf21("6","7","5","1","7","1","7","1") = "6"
    & skf21("6","7","5","1","7","2","1","1") = "6"
    & skf21("6","7","5","1","7","2","2","1") = "6"
    & skf21("6","7","5","1","7","2","3","1") = "6"
    & skf21("6","7","5","1","7","2","4","1") = "6"
    & skf21("6","7","5","1","7","2","5","1") = "6"
    & skf21("6","7","5","1","7","2","6","1") = "6"
    & skf21("6","7","5","1","7","2","7","1") = "6"
    & skf21("6","7","5","1","7","3","1","1") = "6"
    & skf21("6","7","5","1","7","3","2","1") = "6"
    & skf21("6","7","5","1","7","3","3","1") = "6"
    & skf21("6","7","5","1","7","3","4","1") = "6"
    & skf21("6","7","5","1","7","3","5","1") = "6"
    & skf21("6","7","5","1","7","3","6","1") = "6"
    & skf21("6","7","5","1","7","3","7","1") = "6"
    & skf21("6","7","5","1","7","4","1","1") = "6"
    & skf21("6","7","5","1","7","4","2","1") = "6"
    & skf21("6","7","5","1","7","4","3","1") = "6"
    & skf21("6","7","5","1","7","4","4","1") = "6"
    & skf21("6","7","5","1","7","4","5","1") = "6"
    & skf21("6","7","5","1","7","4","6","1") = "6"
    & skf21("6","7","5","1","7","4","7","1") = "6"
    & skf21("6","7","5","1","7","5","1","1") = "6"
    & skf21("6","7","5","1","7","5","2","1") = "6"
    & skf21("6","7","5","1","7","5","3","1") = "6"
    & skf21("6","7","5","1","7","5","4","1") = "6"
    & skf21("6","7","5","1","7","5","5","1") = "6"
    & skf21("6","7","5","1","7","5","6","1") = "6"
    & skf21("6","7","5","1","7","5","7","1") = "6"
    & skf21("6","7","5","1","7","6","1","1") = "6"
    & skf21("6","7","5","1","7","6","2","1") = "6"
    & skf21("6","7","5","1","7","6","3","1") = "6"
    & skf21("6","7","5","1","7","6","4","1") = "6"
    & skf21("6","7","5","1","7","6","5","1") = "6"
    & skf21("6","7","5","1","7","6","6","1") = "6"
    & skf21("6","7","5","1","7","6","7","1") = "6"
    & skf21("6","7","5","1","7","7","1","1") = "6"
    & skf21("6","7","5","1","7","7","2","1") = "6"
    & skf21("6","7","5","1","7","7","3","1") = "6"
    & skf21("6","7","5","1","7","7","4","1") = "6"
    & skf21("6","7","5","1","7","7","5","1") = "6"
    & skf21("6","7","5","1","7","7","6","1") = "6"
    & skf21("6","7","5","1","7","7","7","1") = "6"
    & skf21("6","7","5","2","1","1","1","1") = "6"
    & skf21("6","7","5","2","1","1","2","1") = "6"
    & skf21("6","7","5","2","1","1","3","1") = "6"
    & skf21("6","7","5","2","1","1","4","1") = "6"
    & skf21("6","7","5","2","1","1","5","1") = "6"
    & skf21("6","7","5","2","1","1","6","1") = "6"
    & skf21("6","7","5","2","1","1","7","1") = "6"
    & skf21("6","7","5","2","1","2","1","1") = "6"
    & skf21("6","7","5","2","1","2","2","1") = "6"
    & skf21("6","7","5","2","1","2","3","1") = "6"
    & skf21("6","7","5","2","1","2","4","1") = "6"
    & skf21("6","7","5","2","1","2","5","1") = "6"
    & skf21("6","7","5","2","1","2","6","1") = "6"
    & skf21("6","7","5","2","1","2","7","1") = "6"
    & skf21("6","7","5","2","1","3","1","1") = "6"
    & skf21("6","7","5","2","1","3","2","1") = "6"
    & skf21("6","7","5","2","1","3","3","1") = "6"
    & skf21("6","7","5","2","1","3","4","1") = "6"
    & skf21("6","7","5","2","1","3","5","1") = "6"
    & skf21("6","7","5","2","1","3","6","1") = "6"
    & skf21("6","7","5","2","1","3","7","1") = "6"
    & skf21("6","7","5","2","1","4","1","1") = "6"
    & skf21("6","7","5","2","1","4","2","1") = "6"
    & skf21("6","7","5","2","1","4","3","1") = "6"
    & skf21("6","7","5","2","1","4","4","1") = "6"
    & skf21("6","7","5","2","1","4","5","1") = "6"
    & skf21("6","7","5","2","1","4","6","1") = "6"
    & skf21("6","7","5","2","1","4","7","1") = "6"
    & skf21("6","7","5","2","1","5","1","1") = "6"
    & skf21("6","7","5","2","1","5","2","1") = "6"
    & skf21("6","7","5","2","1","5","3","1") = "6"
    & skf21("6","7","5","2","1","5","4","1") = "6"
    & skf21("6","7","5","2","1","5","5","1") = "6"
    & skf21("6","7","5","2","1","5","6","1") = "6"
    & skf21("6","7","5","2","1","5","7","1") = "6"
    & skf21("6","7","5","2","1","6","1","1") = "6"
    & skf21("6","7","5","2","1","6","2","1") = "6"
    & skf21("6","7","5","2","1","6","3","1") = "6"
    & skf21("6","7","5","2","1","6","4","1") = "6"
    & skf21("6","7","5","2","1","6","5","1") = "6"
    & skf21("6","7","5","2","1","6","6","1") = "6"
    & skf21("6","7","5","2","1","6","7","1") = "6"
    & skf21("6","7","5","2","1","7","1","1") = "6"
    & skf21("6","7","5","2","1","7","2","1") = "6"
    & skf21("6","7","5","2","1","7","3","1") = "6"
    & skf21("6","7","5","2","1","7","4","1") = "6"
    & skf21("6","7","5","2","1","7","5","1") = "6"
    & skf21("6","7","5","2","1","7","6","1") = "6"
    & skf21("6","7","5","2","1","7","7","1") = "6"
    & skf21("6","7","5","2","2","1","1","1") = "6"
    & skf21("6","7","5","2","2","1","2","1") = "6"
    & skf21("6","7","5","2","2","1","3","1") = "6"
    & skf21("6","7","5","2","2","1","4","1") = "6"
    & skf21("6","7","5","2","2","1","5","1") = "6"
    & skf21("6","7","5","2","2","1","6","1") = "6"
    & skf21("6","7","5","2","2","1","7","1") = "6"
    & skf21("6","7","5","2","2","2","1","1") = "6"
    & skf21("6","7","5","2","2","2","2","1") = "6"
    & skf21("6","7","5","2","2","2","3","1") = "6"
    & skf21("6","7","5","2","2","2","4","1") = "6"
    & skf21("6","7","5","2","2","2","5","1") = "6"
    & skf21("6","7","5","2","2","2","6","1") = "6"
    & skf21("6","7","5","2","2","2","7","1") = "6"
    & skf21("6","7","5","2","2","3","1","1") = "6"
    & skf21("6","7","5","2","2","3","2","1") = "6"
    & skf21("6","7","5","2","2","3","3","1") = "6"
    & skf21("6","7","5","2","2","3","4","1") = "6"
    & skf21("6","7","5","2","2","3","5","1") = "6"
    & skf21("6","7","5","2","2","3","6","1") = "6"
    & skf21("6","7","5","2","2","3","7","1") = "6"
    & skf21("6","7","5","2","2","4","1","1") = "6"
    & skf21("6","7","5","2","2","4","2","1") = "6"
    & skf21("6","7","5","2","2","4","3","1") = "6"
    & skf21("6","7","5","2","2","4","4","1") = "6"
    & skf21("6","7","5","2","2","4","5","1") = "6"
    & skf21("6","7","5","2","2","4","6","1") = "6"
    & skf21("6","7","5","2","2","4","7","1") = "6"
    & skf21("6","7","5","2","2","5","1","1") = "6"
    & skf21("6","7","5","2","2","5","2","1") = "6"
    & skf21("6","7","5","2","2","5","3","1") = "6"
    & skf21("6","7","5","2","2","5","4","1") = "6"
    & skf21("6","7","5","2","2","5","5","1") = "6"
    & skf21("6","7","5","2","2","5","6","1") = "6"
    & skf21("6","7","5","2","2","5","7","1") = "6"
    & skf21("6","7","5","2","2","6","1","1") = "6"
    & skf21("6","7","5","2","2","6","2","1") = "6"
    & skf21("6","7","5","2","2","6","3","1") = "6"
    & skf21("6","7","5","2","2","6","4","1") = "6"
    & skf21("6","7","5","2","2","6","5","1") = "6"
    & skf21("6","7","5","2","2","6","6","1") = "6"
    & skf21("6","7","5","2","2","6","7","1") = "6"
    & skf21("6","7","5","2","2","7","1","1") = "6"
    & skf21("6","7","5","2","2","7","2","1") = "6"
    & skf21("6","7","5","2","2","7","3","1") = "6"
    & skf21("6","7","5","2","2","7","4","1") = "6"
    & skf21("6","7","5","2","2","7","5","1") = "6"
    & skf21("6","7","5","2","2","7","6","1") = "6"
    & skf21("6","7","5","2","2","7","7","1") = "6"
    & skf21("6","7","5","2","3","1","1","1") = "6"
    & skf21("6","7","5","2","3","1","2","1") = "6"
    & skf21("6","7","5","2","3","1","3","1") = "6"
    & skf21("6","7","5","2","3","1","4","1") = "6"
    & skf21("6","7","5","2","3","1","5","1") = "6"
    & skf21("6","7","5","2","3","1","6","1") = "6"
    & skf21("6","7","5","2","3","1","7","1") = "6"
    & skf21("6","7","5","2","3","2","1","1") = "6"
    & skf21("6","7","5","2","3","2","2","1") = "6"
    & skf21("6","7","5","2","3","2","3","1") = "6"
    & skf21("6","7","5","2","3","2","4","1") = "6"
    & skf21("6","7","5","2","3","2","5","1") = "6"
    & skf21("6","7","5","2","3","2","6","1") = "6"
    & skf21("6","7","5","2","3","2","7","1") = "6"
    & skf21("6","7","5","2","3","3","1","1") = "6"
    & skf21("6","7","5","2","3","3","2","1") = "6"
    & skf21("6","7","5","2","3","3","3","1") = "6"
    & skf21("6","7","5","2","3","3","4","1") = "6"
    & skf21("6","7","5","2","3","3","5","1") = "6"
    & skf21("6","7","5","2","3","3","6","1") = "6"
    & skf21("6","7","5","2","3","3","7","1") = "6"
    & skf21("6","7","5","2","3","4","1","1") = "6"
    & skf21("6","7","5","2","3","4","2","1") = "6"
    & skf21("6","7","5","2","3","4","3","1") = "6"
    & skf21("6","7","5","2","3","4","4","1") = "6"
    & skf21("6","7","5","2","3","4","5","1") = "6"
    & skf21("6","7","5","2","3","4","6","1") = "6"
    & skf21("6","7","5","2","3","4","7","1") = "6"
    & skf21("6","7","5","2","3","5","1","1") = "6"
    & skf21("6","7","5","2","3","5","2","1") = "6"
    & skf21("6","7","5","2","3","5","3","1") = "6"
    & skf21("6","7","5","2","3","5","4","1") = "6"
    & skf21("6","7","5","2","3","5","5","1") = "6"
    & skf21("6","7","5","2","3","5","6","1") = "6"
    & skf21("6","7","5","2","3","5","7","1") = "6"
    & skf21("6","7","5","2","3","6","1","1") = "6"
    & skf21("6","7","5","2","3","6","2","1") = "6"
    & skf21("6","7","5","2","3","6","3","1") = "6"
    & skf21("6","7","5","2","3","6","4","1") = "6"
    & skf21("6","7","5","2","3","6","5","1") = "6"
    & skf21("6","7","5","2","3","6","6","1") = "6"
    & skf21("6","7","5","2","3","6","7","1") = "6"
    & skf21("6","7","5","2","3","7","1","1") = "6"
    & skf21("6","7","5","2","3","7","2","1") = "6"
    & skf21("6","7","5","2","3","7","3","1") = "6"
    & skf21("6","7","5","2","3","7","4","1") = "6"
    & skf21("6","7","5","2","3","7","5","1") = "6"
    & skf21("6","7","5","2","3","7","6","1") = "6"
    & skf21("6","7","5","2","3","7","7","1") = "6"
    & skf21("6","7","5","2","4","1","1","1") = "6"
    & skf21("6","7","5","2","4","1","2","1") = "6"
    & skf21("6","7","5","2","4","1","3","1") = "6"
    & skf21("6","7","5","2","4","1","4","1") = "6"
    & skf21("6","7","5","2","4","1","5","1") = "6"
    & skf21("6","7","5","2","4","1","6","1") = "6"
    & skf21("6","7","5","2","4","1","7","1") = "6"
    & skf21("6","7","5","2","4","2","1","1") = "6"
    & skf21("6","7","5","2","4","2","2","1") = "6"
    & skf21("6","7","5","2","4","2","3","1") = "6"
    & skf21("6","7","5","2","4","2","4","1") = "6"
    & skf21("6","7","5","2","4","2","5","1") = "6"
    & skf21("6","7","5","2","4","2","6","1") = "6"
    & skf21("6","7","5","2","4","2","7","1") = "6"
    & skf21("6","7","5","2","4","3","1","1") = "6"
    & skf21("6","7","5","2","4","3","2","1") = "6"
    & skf21("6","7","5","2","4","3","3","1") = "6"
    & skf21("6","7","5","2","4","3","4","1") = "6"
    & skf21("6","7","5","2","4","3","5","1") = "6"
    & skf21("6","7","5","2","4","3","6","1") = "6"
    & skf21("6","7","5","2","4","3","7","1") = "6"
    & skf21("6","7","5","2","4","4","1","1") = "6"
    & skf21("6","7","5","2","4","4","2","1") = "6"
    & skf21("6","7","5","2","4","4","3","1") = "6"
    & skf21("6","7","5","2","4","4","4","1") = "6"
    & skf21("6","7","5","2","4","4","5","1") = "6"
    & skf21("6","7","5","2","4","4","6","1") = "6"
    & skf21("6","7","5","2","4","4","7","1") = "6"
    & skf21("6","7","5","2","4","5","1","1") = "6"
    & skf21("6","7","5","2","4","5","2","1") = "6"
    & skf21("6","7","5","2","4","5","3","1") = "6"
    & skf21("6","7","5","2","4","5","4","1") = "6"
    & skf21("6","7","5","2","4","5","5","1") = "6"
    & skf21("6","7","5","2","4","5","6","1") = "6"
    & skf21("6","7","5","2","4","5","7","1") = "6"
    & skf21("6","7","5","2","4","6","1","1") = "6"
    & skf21("6","7","5","2","4","6","2","1") = "6"
    & skf21("6","7","5","2","4","6","3","1") = "6"
    & skf21("6","7","5","2","4","6","4","1") = "6"
    & skf21("6","7","5","2","4","6","5","1") = "6"
    & skf21("6","7","5","2","4","6","6","1") = "6"
    & skf21("6","7","5","2","4","6","7","1") = "6"
    & skf21("6","7","5","2","4","7","1","1") = "6"
    & skf21("6","7","5","2","4","7","2","1") = "6"
    & skf21("6","7","5","2","4","7","3","1") = "6"
    & skf21("6","7","5","2","4","7","4","1") = "6"
    & skf21("6","7","5","2","4","7","5","1") = "6"
    & skf21("6","7","5","2","4","7","6","1") = "6"
    & skf21("6","7","5","2","4","7","7","1") = "6"
    & skf21("6","7","5","2","5","1","1","1") = "6"
    & skf21("6","7","5","2","5","1","2","1") = "6"
    & skf21("6","7","5","2","5","1","3","1") = "6"
    & skf21("6","7","5","2","5","1","4","1") = "6"
    & skf21("6","7","5","2","5","1","5","1") = "6"
    & skf21("6","7","5","2","5","1","6","1") = "6"
    & skf21("6","7","5","2","5","1","7","1") = "6"
    & skf21("6","7","5","2","5","2","1","1") = "6"
    & skf21("6","7","5","2","5","2","2","1") = "6"
    & skf21("6","7","5","2","5","2","3","1") = "6"
    & skf21("6","7","5","2","5","2","4","1") = "6"
    & skf21("6","7","5","2","5","2","5","1") = "6"
    & skf21("6","7","5","2","5","2","6","1") = "6"
    & skf21("6","7","5","2","5","2","7","1") = "6"
    & skf21("6","7","5","2","5","3","1","1") = "6"
    & skf21("6","7","5","2","5","3","2","1") = "6"
    & skf21("6","7","5","2","5","3","3","1") = "6"
    & skf21("6","7","5","2","5","3","4","1") = "6"
    & skf21("6","7","5","2","5","3","5","1") = "6"
    & skf21("6","7","5","2","5","3","6","1") = "6"
    & skf21("6","7","5","2","5","3","7","1") = "6"
    & skf21("6","7","5","2","5","4","1","1") = "6"
    & skf21("6","7","5","2","5","4","2","1") = "6"
    & skf21("6","7","5","2","5","4","3","1") = "6"
    & skf21("6","7","5","2","5","4","4","1") = "6"
    & skf21("6","7","5","2","5","4","5","1") = "6"
    & skf21("6","7","5","2","5","4","6","1") = "6"
    & skf21("6","7","5","2","5","4","7","1") = "6"
    & skf21("6","7","5","2","5","5","1","1") = "6"
    & skf21("6","7","5","2","5","5","2","1") = "6"
    & skf21("6","7","5","2","5","5","3","1") = "6"
    & skf21("6","7","5","2","5","5","4","1") = "6"
    & skf21("6","7","5","2","5","5","5","1") = "6"
    & skf21("6","7","5","2","5","5","6","1") = "6"
    & skf21("6","7","5","2","5","5","7","1") = "6"
    & skf21("6","7","5","2","5","6","1","1") = "6"
    & skf21("6","7","5","2","5","6","2","1") = "6"
    & skf21("6","7","5","2","5","6","3","1") = "6"
    & skf21("6","7","5","2","5","6","4","1") = "6"
    & skf21("6","7","5","2","5","6","5","1") = "6"
    & skf21("6","7","5","2","5","6","6","1") = "6"
    & skf21("6","7","5","2","5","6","7","1") = "6"
    & skf21("6","7","5","2","5","7","1","1") = "6"
    & skf21("6","7","5","2","5","7","2","1") = "6"
    & skf21("6","7","5","2","5","7","3","1") = "6"
    & skf21("6","7","5","2","5","7","4","1") = "6"
    & skf21("6","7","5","2","5","7","5","1") = "6"
    & skf21("6","7","5","2","5","7","6","1") = "6"
    & skf21("6","7","5","2","5","7","7","1") = "6"
    & skf21("6","7","5","2","6","1","1","1") = "6"
    & skf21("6","7","5","2","6","1","2","1") = "6"
    & skf21("6","7","5","2","6","1","3","1") = "6"
    & skf21("6","7","5","2","6","1","4","1") = "6"
    & skf21("6","7","5","2","6","1","5","1") = "6"
    & skf21("6","7","5","2","6","1","6","1") = "6"
    & skf21("6","7","5","2","6","1","7","1") = "6"
    & skf21("6","7","5","2","6","2","1","1") = "6"
    & skf21("6","7","5","2","6","2","2","1") = "6"
    & skf21("6","7","5","2","6","2","3","1") = "6"
    & skf21("6","7","5","2","6","2","4","1") = "6"
    & skf21("6","7","5","2","6","2","5","1") = "6"
    & skf21("6","7","5","2","6","2","6","1") = "6"
    & skf21("6","7","5","2","6","2","7","1") = "6"
    & skf21("6","7","5","2","6","3","1","1") = "6"
    & skf21("6","7","5","2","6","3","2","1") = "6"
    & skf21("6","7","5","2","6","3","3","1") = "6"
    & skf21("6","7","5","2","6","3","4","1") = "6"
    & skf21("6","7","5","2","6","3","5","1") = "6"
    & skf21("6","7","5","2","6","3","6","1") = "6"
    & skf21("6","7","5","2","6","3","7","1") = "6"
    & skf21("6","7","5","2","6","4","1","1") = "6"
    & skf21("6","7","5","2","6","4","2","1") = "6"
    & skf21("6","7","5","2","6","4","3","1") = "6"
    & skf21("6","7","5","2","6","4","4","1") = "6"
    & skf21("6","7","5","2","6","4","5","1") = "6"
    & skf21("6","7","5","2","6","4","6","1") = "6"
    & skf21("6","7","5","2","6","4","7","1") = "6"
    & skf21("6","7","5","2","6","5","1","1") = "6"
    & skf21("6","7","5","2","6","5","2","1") = "6"
    & skf21("6","7","5","2","6","5","3","1") = "6"
    & skf21("6","7","5","2","6","5","4","1") = "6"
    & skf21("6","7","5","2","6","5","5","1") = "6"
    & skf21("6","7","5","2","6","5","6","1") = "6"
    & skf21("6","7","5","2","6","5","7","1") = "6"
    & skf21("6","7","5","2","6","6","1","1") = "6"
    & skf21("6","7","5","2","6","6","2","1") = "6"
    & skf21("6","7","5","2","6","6","3","1") = "6"
    & skf21("6","7","5","2","6","6","4","1") = "6"
    & skf21("6","7","5","2","6","6","5","1") = "6"
    & skf21("6","7","5","2","6","6","6","1") = "6"
    & skf21("6","7","5","2","6","6","7","1") = "6"
    & skf21("6","7","5","2","6","7","1","1") = "6"
    & skf21("6","7","5","2","6","7","2","1") = "6"
    & skf21("6","7","5","2","6","7","3","1") = "6"
    & skf21("6","7","5","2","6","7","4","1") = "6"
    & skf21("6","7","5","2","6","7","5","1") = "6"
    & skf21("6","7","5","2","6","7","6","1") = "6"
    & skf21("6","7","5","2","6","7","7","1") = "6"
    & skf21("6","7","5","2","7","1","1","1") = "6"
    & skf21("6","7","5","2","7","1","2","1") = "6"
    & skf21("6","7","5","2","7","1","3","1") = "6"
    & skf21("6","7","5","2","7","1","4","1") = "6"
    & skf21("6","7","5","2","7","1","5","1") = "6"
    & skf21("6","7","5","2","7","1","6","1") = "6"
    & skf21("6","7","5","2","7","1","7","1") = "6"
    & skf21("6","7","5","2","7","2","1","1") = "6"
    & skf21("6","7","5","2","7","2","2","1") = "6"
    & skf21("6","7","5","2","7","2","3","1") = "6"
    & skf21("6","7","5","2","7","2","4","1") = "6"
    & skf21("6","7","5","2","7","2","5","1") = "6"
    & skf21("6","7","5","2","7","2","6","1") = "6"
    & skf21("6","7","5","2","7","2","7","1") = "6"
    & skf21("6","7","5","2","7","3","1","1") = "6"
    & skf21("6","7","5","2","7","3","2","1") = "6"
    & skf21("6","7","5","2","7","3","3","1") = "6"
    & skf21("6","7","5","2","7","3","4","1") = "6"
    & skf21("6","7","5","2","7","3","5","1") = "6"
    & skf21("6","7","5","2","7","3","6","1") = "6"
    & skf21("6","7","5","2","7","3","7","1") = "6"
    & skf21("6","7","5","2","7","4","1","1") = "6"
    & skf21("6","7","5","2","7","4","2","1") = "6"
    & skf21("6","7","5","2","7","4","3","1") = "6"
    & skf21("6","7","5","2","7","4","4","1") = "6"
    & skf21("6","7","5","2","7","4","5","1") = "6"
    & skf21("6","7","5","2","7","4","6","1") = "6"
    & skf21("6","7","5","2","7","4","7","1") = "6"
    & skf21("6","7","5","2","7","5","1","1") = "6"
    & skf21("6","7","5","2","7","5","2","1") = "6"
    & skf21("6","7","5","2","7","5","3","1") = "6"
    & skf21("6","7","5","2","7","5","4","1") = "6"
    & skf21("6","7","5","2","7","5","5","1") = "6"
    & skf21("6","7","5","2","7","5","6","1") = "6"
    & skf21("6","7","5","2","7","5","7","1") = "6"
    & skf21("6","7","5","2","7","6","1","1") = "6"
    & skf21("6","7","5","2","7","6","2","1") = "6"
    & skf21("6","7","5","2","7","6","3","1") = "6"
    & skf21("6","7","5","2","7","6","4","1") = "6"
    & skf21("6","7","5","2","7","6","5","1") = "6"
    & skf21("6","7","5","2","7","6","6","1") = "6"
    & skf21("6","7","5","2","7","6","7","1") = "6"
    & skf21("6","7","5","2","7","7","1","1") = "6"
    & skf21("6","7","5","2","7","7","2","1") = "6"
    & skf21("6","7","5","2","7","7","3","1") = "6"
    & skf21("6","7","5","2","7","7","4","1") = "6"
    & skf21("6","7","5","2","7","7","5","1") = "6"
    & skf21("6","7","5","2","7","7","6","1") = "6"
    & skf21("6","7","5","2","7","7","7","1") = "6"
    & skf21("6","7","5","3","1","1","1","1") = "6"
    & skf21("6","7","5","3","1","1","2","1") = "6"
    & skf21("6","7","5","3","1","1","3","1") = "6"
    & skf21("6","7","5","3","1","1","4","1") = "6"
    & skf21("6","7","5","3","1","1","5","1") = "6"
    & skf21("6","7","5","3","1","1","6","1") = "6"
    & skf21("6","7","5","3","1","1","7","1") = "6"
    & skf21("6","7","5","3","1","2","1","1") = "6"
    & skf21("6","7","5","3","1","2","2","1") = "6"
    & skf21("6","7","5","3","1","2","3","1") = "6"
    & skf21("6","7","5","3","1","2","4","1") = "6"
    & skf21("6","7","5","3","1","2","5","1") = "6"
    & skf21("6","7","5","3","1","2","6","1") = "6"
    & skf21("6","7","5","3","1","2","7","1") = "6"
    & skf21("6","7","5","3","1","3","1","1") = "6"
    & skf21("6","7","5","3","1","3","2","1") = "6"
    & skf21("6","7","5","3","1","3","3","1") = "6"
    & skf21("6","7","5","3","1","3","4","1") = "6"
    & skf21("6","7","5","3","1","3","5","1") = "6"
    & skf21("6","7","5","3","1","3","6","1") = "6"
    & skf21("6","7","5","3","1","3","7","1") = "6"
    & skf21("6","7","5","3","1","4","1","1") = "6"
    & skf21("6","7","5","3","1","4","2","1") = "6"
    & skf21("6","7","5","3","1","4","3","1") = "6"
    & skf21("6","7","5","3","1","4","4","1") = "6"
    & skf21("6","7","5","3","1","4","5","1") = "6"
    & skf21("6","7","5","3","1","4","6","1") = "6"
    & skf21("6","7","5","3","1","4","7","1") = "6"
    & skf21("6","7","5","3","1","5","1","1") = "6"
    & skf21("6","7","5","3","1","5","2","1") = "6"
    & skf21("6","7","5","3","1","5","3","1") = "6"
    & skf21("6","7","5","3","1","5","4","1") = "6"
    & skf21("6","7","5","3","1","5","5","1") = "6"
    & skf21("6","7","5","3","1","5","6","1") = "6"
    & skf21("6","7","5","3","1","5","7","1") = "6"
    & skf21("6","7","5","3","1","6","1","1") = "6"
    & skf21("6","7","5","3","1","6","2","1") = "6"
    & skf21("6","7","5","3","1","6","3","1") = "6"
    & skf21("6","7","5","3","1","6","4","1") = "6"
    & skf21("6","7","5","3","1","6","5","1") = "6"
    & skf21("6","7","5","3","1","6","6","1") = "6"
    & skf21("6","7","5","3","1","6","7","1") = "6"
    & skf21("6","7","5","3","1","7","1","1") = "6"
    & skf21("6","7","5","3","1","7","2","1") = "6"
    & skf21("6","7","5","3","1","7","3","1") = "6"
    & skf21("6","7","5","3","1","7","4","1") = "6"
    & skf21("6","7","5","3","1","7","5","1") = "6"
    & skf21("6","7","5","3","1","7","6","1") = "6"
    & skf21("6","7","5","3","1","7","7","1") = "6"
    & skf21("6","7","5","3","2","1","1","1") = "6"
    & skf21("6","7","5","3","2","1","2","1") = "6"
    & skf21("6","7","5","3","2","1","3","1") = "6"
    & skf21("6","7","5","3","2","1","4","1") = "6"
    & skf21("6","7","5","3","2","1","5","1") = "6"
    & skf21("6","7","5","3","2","1","6","1") = "6"
    & skf21("6","7","5","3","2","1","7","1") = "6"
    & skf21("6","7","5","3","2","2","1","1") = "6"
    & skf21("6","7","5","3","2","2","2","1") = "6"
    & skf21("6","7","5","3","2","2","3","1") = "6"
    & skf21("6","7","5","3","2","2","4","1") = "6"
    & skf21("6","7","5","3","2","2","5","1") = "6"
    & skf21("6","7","5","3","2","2","6","1") = "6"
    & skf21("6","7","5","3","2","2","7","1") = "6"
    & skf21("6","7","5","3","2","3","1","1") = "6"
    & skf21("6","7","5","3","2","3","2","1") = "6"
    & skf21("6","7","5","3","2","3","3","1") = "6"
    & skf21("6","7","5","3","2","3","4","1") = "6"
    & skf21("6","7","5","3","2","3","5","1") = "6"
    & skf21("6","7","5","3","2","3","6","1") = "6"
    & skf21("6","7","5","3","2","3","7","1") = "6"
    & skf21("6","7","5","3","2","4","1","1") = "6"
    & skf21("6","7","5","3","2","4","2","1") = "6"
    & skf21("6","7","5","3","2","4","3","1") = "6"
    & skf21("6","7","5","3","2","4","4","1") = "6"
    & skf21("6","7","5","3","2","4","5","1") = "6"
    & skf21("6","7","5","3","2","4","6","1") = "6"
    & skf21("6","7","5","3","2","4","7","1") = "6"
    & skf21("6","7","5","3","2","5","1","1") = "6"
    & skf21("6","7","5","3","2","5","2","1") = "6"
    & skf21("6","7","5","3","2","5","3","1") = "6"
    & skf21("6","7","5","3","2","5","4","1") = "6"
    & skf21("6","7","5","3","2","5","5","1") = "6"
    & skf21("6","7","5","3","2","5","6","1") = "6"
    & skf21("6","7","5","3","2","5","7","1") = "6"
    & skf21("6","7","5","3","2","6","1","1") = "6"
    & skf21("6","7","5","3","2","6","2","1") = "6"
    & skf21("6","7","5","3","2","6","3","1") = "6"
    & skf21("6","7","5","3","2","6","4","1") = "6"
    & skf21("6","7","5","3","2","6","5","1") = "6"
    & skf21("6","7","5","3","2","6","6","1") = "6"
    & skf21("6","7","5","3","2","6","7","1") = "6"
    & skf21("6","7","5","3","2","7","1","1") = "6"
    & skf21("6","7","5","3","2","7","2","1") = "6"
    & skf21("6","7","5","3","2","7","3","1") = "6"
    & skf21("6","7","5","3","2","7","4","1") = "6"
    & skf21("6","7","5","3","2","7","5","1") = "6"
    & skf21("6","7","5","3","2","7","6","1") = "6"
    & skf21("6","7","5","3","2","7","7","1") = "6"
    & skf21("6","7","5","3","3","1","1","1") = "6"
    & skf21("6","7","5","3","3","1","2","1") = "6"
    & skf21("6","7","5","3","3","1","3","1") = "6"
    & skf21("6","7","5","3","3","1","4","1") = "6"
    & skf21("6","7","5","3","3","1","5","1") = "6"
    & skf21("6","7","5","3","3","1","6","1") = "6"
    & skf21("6","7","5","3","3","1","7","1") = "6"
    & skf21("6","7","5","3","3","2","1","1") = "6"
    & skf21("6","7","5","3","3","2","2","1") = "6"
    & skf21("6","7","5","3","3","2","3","1") = "6"
    & skf21("6","7","5","3","3","2","4","1") = "6"
    & skf21("6","7","5","3","3","2","5","1") = "6"
    & skf21("6","7","5","3","3","2","6","1") = "6"
    & skf21("6","7","5","3","3","2","7","1") = "6"
    & skf21("6","7","5","3","3","3","1","1") = "6"
    & skf21("6","7","5","3","3","3","2","1") = "6"
    & skf21("6","7","5","3","3","3","3","1") = "6"
    & skf21("6","7","5","3","3","3","4","1") = "6"
    & skf21("6","7","5","3","3","3","5","1") = "6"
    & skf21("6","7","5","3","3","3","6","1") = "6"
    & skf21("6","7","5","3","3","3","7","1") = "6"
    & skf21("6","7","5","3","3","4","1","1") = "6"
    & skf21("6","7","5","3","3","4","2","1") = "6"
    & skf21("6","7","5","3","3","4","3","1") = "6"
    & skf21("6","7","5","3","3","4","4","1") = "6"
    & skf21("6","7","5","3","3","4","5","1") = "6"
    & skf21("6","7","5","3","3","4","6","1") = "6"
    & skf21("6","7","5","3","3","4","7","1") = "6"
    & skf21("6","7","5","3","3","5","1","1") = "6"
    & skf21("6","7","5","3","3","5","2","1") = "6"
    & skf21("6","7","5","3","3","5","3","1") = "6"
    & skf21("6","7","5","3","3","5","4","1") = "6"
    & skf21("6","7","5","3","3","5","5","1") = "6"
    & skf21("6","7","5","3","3","5","6","1") = "6"
    & skf21("6","7","5","3","3","5","7","1") = "6"
    & skf21("6","7","5","3","3","6","1","1") = "6"
    & skf21("6","7","5","3","3","6","2","1") = "6"
    & skf21("6","7","5","3","3","6","3","1") = "6"
    & skf21("6","7","5","3","3","6","4","1") = "6"
    & skf21("6","7","5","3","3","6","5","1") = "6"
    & skf21("6","7","5","3","3","6","6","1") = "6"
    & skf21("6","7","5","3","3","6","7","1") = "6"
    & skf21("6","7","5","3","3","7","1","1") = "6"
    & skf21("6","7","5","3","3","7","2","1") = "6"
    & skf21("6","7","5","3","3","7","3","1") = "6"
    & skf21("6","7","5","3","3","7","4","1") = "6"
    & skf21("6","7","5","3","3","7","5","1") = "6"
    & skf21("6","7","5","3","3","7","6","1") = "6"
    & skf21("6","7","5","3","3","7","7","1") = "6"
    & skf21("6","7","5","3","4","1","1","1") = "6"
    & skf21("6","7","5","3","4","1","2","1") = "6"
    & skf21("6","7","5","3","4","1","3","1") = "6"
    & skf21("6","7","5","3","4","1","4","1") = "6"
    & skf21("6","7","5","3","4","1","5","1") = "6"
    & skf21("6","7","5","3","4","1","6","1") = "6"
    & skf21("6","7","5","3","4","1","7","1") = "6"
    & skf21("6","7","5","3","4","2","1","1") = "6"
    & skf21("6","7","5","3","4","2","2","1") = "6"
    & skf21("6","7","5","3","4","2","3","1") = "6"
    & skf21("6","7","5","3","4","2","4","1") = "6"
    & skf21("6","7","5","3","4","2","5","1") = "6"
    & skf21("6","7","5","3","4","2","6","1") = "6"
    & skf21("6","7","5","3","4","2","7","1") = "6"
    & skf21("6","7","5","3","4","3","1","1") = "6"
    & skf21("6","7","5","3","4","3","2","1") = "6"
    & skf21("6","7","5","3","4","3","3","1") = "6"
    & skf21("6","7","5","3","4","3","4","1") = "6"
    & skf21("6","7","5","3","4","3","5","1") = "6"
    & skf21("6","7","5","3","4","3","6","1") = "6"
    & skf21("6","7","5","3","4","3","7","1") = "6"
    & skf21("6","7","5","3","4","4","1","1") = "6"
    & skf21("6","7","5","3","4","4","2","1") = "6"
    & skf21("6","7","5","3","4","4","3","1") = "6"
    & skf21("6","7","5","3","4","4","4","1") = "6"
    & skf21("6","7","5","3","4","4","5","1") = "6"
    & skf21("6","7","5","3","4","4","6","1") = "6"
    & skf21("6","7","5","3","4","4","7","1") = "6"
    & skf21("6","7","5","3","4","5","1","1") = "6"
    & skf21("6","7","5","3","4","5","2","1") = "6"
    & skf21("6","7","5","3","4","5","3","1") = "6"
    & skf21("6","7","5","3","4","5","4","1") = "6"
    & skf21("6","7","5","3","4","5","5","1") = "6"
    & skf21("6","7","5","3","4","5","6","1") = "6"
    & skf21("6","7","5","3","4","5","7","1") = "6"
    & skf21("6","7","5","3","4","6","1","1") = "6"
    & skf21("6","7","5","3","4","6","2","1") = "6"
    & skf21("6","7","5","3","4","6","3","1") = "6"
    & skf21("6","7","5","3","4","6","4","1") = "6"
    & skf21("6","7","5","3","4","6","5","1") = "6"
    & skf21("6","7","5","3","4","6","6","1") = "6"
    & skf21("6","7","5","3","4","6","7","1") = "6"
    & skf21("6","7","5","3","4","7","1","1") = "6"
    & skf21("6","7","5","3","4","7","2","1") = "6"
    & skf21("6","7","5","3","4","7","3","1") = "6"
    & skf21("6","7","5","3","4","7","4","1") = "6"
    & skf21("6","7","5","3","4","7","5","1") = "6"
    & skf21("6","7","5","3","4","7","6","1") = "6"
    & skf21("6","7","5","3","4","7","7","1") = "6"
    & skf21("6","7","5","3","5","1","1","1") = "6"
    & skf21("6","7","5","3","5","1","2","1") = "6"
    & skf21("6","7","5","3","5","1","3","1") = "6"
    & skf21("6","7","5","3","5","1","4","1") = "6"
    & skf21("6","7","5","3","5","1","5","1") = "6"
    & skf21("6","7","5","3","5","1","6","1") = "6"
    & skf21("6","7","5","3","5","1","7","1") = "6"
    & skf21("6","7","5","3","5","2","1","1") = "6"
    & skf21("6","7","5","3","5","2","2","1") = "6"
    & skf21("6","7","5","3","5","2","3","1") = "6"
    & skf21("6","7","5","3","5","2","4","1") = "6"
    & skf21("6","7","5","3","5","2","5","1") = "6"
    & skf21("6","7","5","3","5","2","6","1") = "6"
    & skf21("6","7","5","3","5","2","7","1") = "6"
    & skf21("6","7","5","3","5","3","1","1") = "6"
    & skf21("6","7","5","3","5","3","2","1") = "6"
    & skf21("6","7","5","3","5","3","3","1") = "6"
    & skf21("6","7","5","3","5","3","4","1") = "6"
    & skf21("6","7","5","3","5","3","5","1") = "6"
    & skf21("6","7","5","3","5","3","6","1") = "6"
    & skf21("6","7","5","3","5","3","7","1") = "6"
    & skf21("6","7","5","3","5","4","1","1") = "6"
    & skf21("6","7","5","3","5","4","2","1") = "6"
    & skf21("6","7","5","3","5","4","3","1") = "6"
    & skf21("6","7","5","3","5","4","4","1") = "6"
    & skf21("6","7","5","3","5","4","5","1") = "6"
    & skf21("6","7","5","3","5","4","6","1") = "6"
    & skf21("6","7","5","3","5","4","7","1") = "6"
    & skf21("6","7","5","3","5","5","1","1") = "6"
    & skf21("6","7","5","3","5","5","2","1") = "6"
    & skf21("6","7","5","3","5","5","3","1") = "6"
    & skf21("6","7","5","3","5","5","4","1") = "6"
    & skf21("6","7","5","3","5","5","5","1") = "6"
    & skf21("6","7","5","3","5","5","6","1") = "6"
    & skf21("6","7","5","3","5","5","7","1") = "6"
    & skf21("6","7","5","3","5","6","1","1") = "6"
    & skf21("6","7","5","3","5","6","2","1") = "6"
    & skf21("6","7","5","3","5","6","3","1") = "6"
    & skf21("6","7","5","3","5","6","4","1") = "6"
    & skf21("6","7","5","3","5","6","5","1") = "6"
    & skf21("6","7","5","3","5","6","6","1") = "6"
    & skf21("6","7","5","3","5","6","7","1") = "6"
    & skf21("6","7","5","3","5","7","1","1") = "6"
    & skf21("6","7","5","3","5","7","2","1") = "6"
    & skf21("6","7","5","3","5","7","3","1") = "6"
    & skf21("6","7","5","3","5","7","4","1") = "6"
    & skf21("6","7","5","3","5","7","5","1") = "6"
    & skf21("6","7","5","3","5","7","6","1") = "6"
    & skf21("6","7","5","3","5","7","7","1") = "6"
    & skf21("6","7","5","3","6","1","1","1") = "6"
    & skf21("6","7","5","3","6","1","2","1") = "6"
    & skf21("6","7","5","3","6","1","3","1") = "6"
    & skf21("6","7","5","3","6","1","4","1") = "6"
    & skf21("6","7","5","3","6","1","5","1") = "6"
    & skf21("6","7","5","3","6","1","6","1") = "6"
    & skf21("6","7","5","3","6","1","7","1") = "6"
    & skf21("6","7","5","3","6","2","1","1") = "6"
    & skf21("6","7","5","3","6","2","2","1") = "6"
    & skf21("6","7","5","3","6","2","3","1") = "6"
    & skf21("6","7","5","3","6","2","4","1") = "6"
    & skf21("6","7","5","3","6","2","5","1") = "6"
    & skf21("6","7","5","3","6","2","6","1") = "6"
    & skf21("6","7","5","3","6","2","7","1") = "6"
    & skf21("6","7","5","3","6","3","1","1") = "6"
    & skf21("6","7","5","3","6","3","2","1") = "6"
    & skf21("6","7","5","3","6","3","3","1") = "6"
    & skf21("6","7","5","3","6","3","4","1") = "6"
    & skf21("6","7","5","3","6","3","5","1") = "6"
    & skf21("6","7","5","3","6","3","6","1") = "6"
    & skf21("6","7","5","3","6","3","7","1") = "6"
    & skf21("6","7","5","3","6","4","1","1") = "6"
    & skf21("6","7","5","3","6","4","2","1") = "6"
    & skf21("6","7","5","3","6","4","3","1") = "6"
    & skf21("6","7","5","3","6","4","4","1") = "6"
    & skf21("6","7","5","3","6","4","5","1") = "6"
    & skf21("6","7","5","3","6","4","6","1") = "6"
    & skf21("6","7","5","3","6","4","7","1") = "6"
    & skf21("6","7","5","3","6","5","1","1") = "6"
    & skf21("6","7","5","3","6","5","2","1") = "6"
    & skf21("6","7","5","3","6","5","3","1") = "6"
    & skf21("6","7","5","3","6","5","4","1") = "6"
    & skf21("6","7","5","3","6","5","5","1") = "6"
    & skf21("6","7","5","3","6","5","6","1") = "6"
    & skf21("6","7","5","3","6","5","7","1") = "6"
    & skf21("6","7","5","3","6","6","1","1") = "6"
    & skf21("6","7","5","3","6","6","2","1") = "6"
    & skf21("6","7","5","3","6","6","3","1") = "6"
    & skf21("6","7","5","3","6","6","4","1") = "6"
    & skf21("6","7","5","3","6","6","5","1") = "6"
    & skf21("6","7","5","3","6","6","6","1") = "6"
    & skf21("6","7","5","3","6","6","7","1") = "6"
    & skf21("6","7","5","3","6","7","1","1") = "6"
    & skf21("6","7","5","3","6","7","2","1") = "6"
    & skf21("6","7","5","3","6","7","3","1") = "6"
    & skf21("6","7","5","3","6","7","4","1") = "6"
    & skf21("6","7","5","3","6","7","5","1") = "6"
    & skf21("6","7","5","3","6","7","6","1") = "6"
    & skf21("6","7","5","3","6","7","7","1") = "6"
    & skf21("6","7","5","3","7","1","1","1") = "6"
    & skf21("6","7","5","3","7","1","2","1") = "6"
    & skf21("6","7","5","3","7","1","3","1") = "6"
    & skf21("6","7","5","3","7","1","4","1") = "6"
    & skf21("6","7","5","3","7","1","5","1") = "6"
    & skf21("6","7","5","3","7","1","6","1") = "6"
    & skf21("6","7","5","3","7","1","7","1") = "6"
    & skf21("6","7","5","3","7","2","1","1") = "6"
    & skf21("6","7","5","3","7","2","2","1") = "6"
    & skf21("6","7","5","3","7","2","3","1") = "6"
    & skf21("6","7","5","3","7","2","4","1") = "6"
    & skf21("6","7","5","3","7","2","5","1") = "6"
    & skf21("6","7","5","3","7","2","6","1") = "6"
    & skf21("6","7","5","3","7","2","7","1") = "6"
    & skf21("6","7","5","3","7","3","1","1") = "6"
    & skf21("6","7","5","3","7","3","2","1") = "6"
    & skf21("6","7","5","3","7","3","3","1") = "6"
    & skf21("6","7","5","3","7","3","4","1") = "6"
    & skf21("6","7","5","3","7","3","5","1") = "6"
    & skf21("6","7","5","3","7","3","6","1") = "6"
    & skf21("6","7","5","3","7","3","7","1") = "6"
    & skf21("6","7","5","3","7","4","1","1") = "6"
    & skf21("6","7","5","3","7","4","2","1") = "6"
    & skf21("6","7","5","3","7","4","3","1") = "6"
    & skf21("6","7","5","3","7","4","4","1") = "6"
    & skf21("6","7","5","3","7","4","5","1") = "6"
    & skf21("6","7","5","3","7","4","6","1") = "6"
    & skf21("6","7","5","3","7","4","7","1") = "6"
    & skf21("6","7","5","3","7","5","1","1") = "6"
    & skf21("6","7","5","3","7","5","2","1") = "6"
    & skf21("6","7","5","3","7","5","3","1") = "6"
    & skf21("6","7","5","3","7","5","4","1") = "6"
    & skf21("6","7","5","3","7","5","5","1") = "6"
    & skf21("6","7","5","3","7","5","6","1") = "6"
    & skf21("6","7","5","3","7","5","7","1") = "6"
    & skf21("6","7","5","3","7","6","1","1") = "6"
    & skf21("6","7","5","3","7","6","2","1") = "6"
    & skf21("6","7","5","3","7","6","3","1") = "6"
    & skf21("6","7","5","3","7","6","4","1") = "6"
    & skf21("6","7","5","3","7","6","5","1") = "6"
    & skf21("6","7","5","3","7","6","6","1") = "6"
    & skf21("6","7","5","3","7","6","7","1") = "6"
    & skf21("6","7","5","3","7","7","1","1") = "6"
    & skf21("6","7","5","3","7","7","2","1") = "6"
    & skf21("6","7","5","3","7","7","3","1") = "6"
    & skf21("6","7","5","3","7","7","4","1") = "6"
    & skf21("6","7","5","3","7","7","5","1") = "6"
    & skf21("6","7","5","3","7","7","6","1") = "6"
    & skf21("6","7","5","3","7","7","7","1") = "6"
    & skf21("6","7","5","4","1","1","1","1") = "6"
    & skf21("6","7","5","4","1","1","2","1") = "6"
    & skf21("6","7","5","4","1","1","3","1") = "6"
    & skf21("6","7","5","4","1","1","4","1") = "6"
    & skf21("6","7","5","4","1","1","5","1") = "6"
    & skf21("6","7","5","4","1","1","6","1") = "6"
    & skf21("6","7","5","4","1","1","7","1") = "6"
    & skf21("6","7","5","4","1","2","1","1") = "6"
    & skf21("6","7","5","4","1","2","2","1") = "6"
    & skf21("6","7","5","4","1","2","3","1") = "6"
    & skf21("6","7","5","4","1","2","4","1") = "6"
    & skf21("6","7","5","4","1","2","5","1") = "6"
    & skf21("6","7","5","4","1","2","6","1") = "6"
    & skf21("6","7","5","4","1","2","7","1") = "6"
    & skf21("6","7","5","4","1","3","1","1") = "6"
    & skf21("6","7","5","4","1","3","2","1") = "6"
    & skf21("6","7","5","4","1","3","3","1") = "6"
    & skf21("6","7","5","4","1","3","4","1") = "6"
    & skf21("6","7","5","4","1","3","5","1") = "6"
    & skf21("6","7","5","4","1","3","6","1") = "6"
    & skf21("6","7","5","4","1","3","7","1") = "6"
    & skf21("6","7","5","4","1","4","1","1") = "6"
    & skf21("6","7","5","4","1","4","2","1") = "6"
    & skf21("6","7","5","4","1","4","3","1") = "6"
    & skf21("6","7","5","4","1","4","4","1") = "6"
    & skf21("6","7","5","4","1","4","5","1") = "6"
    & skf21("6","7","5","4","1","4","6","1") = "6"
    & skf21("6","7","5","4","1","4","7","1") = "6"
    & skf21("6","7","5","4","1","5","1","1") = "6"
    & skf21("6","7","5","4","1","5","2","1") = "6"
    & skf21("6","7","5","4","1","5","3","1") = "6"
    & skf21("6","7","5","4","1","5","4","1") = "6"
    & skf21("6","7","5","4","1","5","5","1") = "6"
    & skf21("6","7","5","4","1","5","6","1") = "6"
    & skf21("6","7","5","4","1","5","7","1") = "6"
    & skf21("6","7","5","4","1","6","1","1") = "6"
    & skf21("6","7","5","4","1","6","2","1") = "6"
    & skf21("6","7","5","4","1","6","3","1") = "6"
    & skf21("6","7","5","4","1","6","4","1") = "6"
    & skf21("6","7","5","4","1","6","5","1") = "6"
    & skf21("6","7","5","4","1","6","6","1") = "6"
    & skf21("6","7","5","4","1","6","7","1") = "6"
    & skf21("6","7","5","4","1","7","1","1") = "6"
    & skf21("6","7","5","4","1","7","2","1") = "6"
    & skf21("6","7","5","4","1","7","3","1") = "6"
    & skf21("6","7","5","4","1","7","4","1") = "6"
    & skf21("6","7","5","4","1","7","5","1") = "6"
    & skf21("6","7","5","4","1","7","6","1") = "6"
    & skf21("6","7","5","4","1","7","7","1") = "6"
    & skf21("6","7","5","4","2","1","1","1") = "6"
    & skf21("6","7","5","4","2","1","2","1") = "6"
    & skf21("6","7","5","4","2","1","3","1") = "6"
    & skf21("6","7","5","4","2","1","4","1") = "6"
    & skf21("6","7","5","4","2","1","5","1") = "6"
    & skf21("6","7","5","4","2","1","6","1") = "6"
    & skf21("6","7","5","4","2","1","7","1") = "6"
    & skf21("6","7","5","4","2","2","1","1") = "6"
    & skf21("6","7","5","4","2","2","2","1") = "6"
    & skf21("6","7","5","4","2","2","3","1") = "6"
    & skf21("6","7","5","4","2","2","4","1") = "6"
    & skf21("6","7","5","4","2","2","5","1") = "6"
    & skf21("6","7","5","4","2","2","6","1") = "6"
    & skf21("6","7","5","4","2","2","7","1") = "6"
    & skf21("6","7","5","4","2","3","1","1") = "6"
    & skf21("6","7","5","4","2","3","2","1") = "6"
    & skf21("6","7","5","4","2","3","3","1") = "6"
    & skf21("6","7","5","4","2","3","4","1") = "6"
    & skf21("6","7","5","4","2","3","5","1") = "6"
    & skf21("6","7","5","4","2","3","6","1") = "6"
    & skf21("6","7","5","4","2","3","7","1") = "6"
    & skf21("6","7","5","4","2","4","1","1") = "6"
    & skf21("6","7","5","4","2","4","2","1") = "6"
    & skf21("6","7","5","4","2","4","3","1") = "6"
    & skf21("6","7","5","4","2","4","4","1") = "6"
    & skf21("6","7","5","4","2","4","5","1") = "6"
    & skf21("6","7","5","4","2","4","6","1") = "6"
    & skf21("6","7","5","4","2","4","7","1") = "6"
    & skf21("6","7","5","4","2","5","1","1") = "6"
    & skf21("6","7","5","4","2","5","2","1") = "6"
    & skf21("6","7","5","4","2","5","3","1") = "6"
    & skf21("6","7","5","4","2","5","4","1") = "6"
    & skf21("6","7","5","4","2","5","5","1") = "6"
    & skf21("6","7","5","4","2","5","6","1") = "6"
    & skf21("6","7","5","4","2","5","7","1") = "6"
    & skf21("6","7","5","4","2","6","1","1") = "6"
    & skf21("6","7","5","4","2","6","2","1") = "6"
    & skf21("6","7","5","4","2","6","3","1") = "6"
    & skf21("6","7","5","4","2","6","4","1") = "6"
    & skf21("6","7","5","4","2","6","5","1") = "6"
    & skf21("6","7","5","4","2","6","6","1") = "6"
    & skf21("6","7","5","4","2","6","7","1") = "6"
    & skf21("6","7","5","4","2","7","1","1") = "6"
    & skf21("6","7","5","4","2","7","2","1") = "6"
    & skf21("6","7","5","4","2","7","3","1") = "6"
    & skf21("6","7","5","4","2","7","4","1") = "6"
    & skf21("6","7","5","4","2","7","5","1") = "6"
    & skf21("6","7","5","4","2","7","6","1") = "6"
    & skf21("6","7","5","4","2","7","7","1") = "6"
    & skf21("6","7","5","4","3","1","1","1") = "6"
    & skf21("6","7","5","4","3","1","2","1") = "6"
    & skf21("6","7","5","4","3","1","3","1") = "6"
    & skf21("6","7","5","4","3","1","4","1") = "6"
    & skf21("6","7","5","4","3","1","5","1") = "6"
    & skf21("6","7","5","4","3","1","6","1") = "6"
    & skf21("6","7","5","4","3","1","7","1") = "6"
    & skf21("6","7","5","4","3","2","1","1") = "6"
    & skf21("6","7","5","4","3","2","2","1") = "6"
    & skf21("6","7","5","4","3","2","3","1") = "6"
    & skf21("6","7","5","4","3","2","4","1") = "6"
    & skf21("6","7","5","4","3","2","5","1") = "6"
    & skf21("6","7","5","4","3","2","6","1") = "6"
    & skf21("6","7","5","4","3","2","7","1") = "6"
    & skf21("6","7","5","4","3","3","1","1") = "6"
    & skf21("6","7","5","4","3","3","2","1") = "6"
    & skf21("6","7","5","4","3","3","3","1") = "6"
    & skf21("6","7","5","4","3","3","4","1") = "6"
    & skf21("6","7","5","4","3","3","5","1") = "6"
    & skf21("6","7","5","4","3","3","6","1") = "6"
    & skf21("6","7","5","4","3","3","7","1") = "6"
    & skf21("6","7","5","4","3","4","1","1") = "6"
    & skf21("6","7","5","4","3","4","2","1") = "6"
    & skf21("6","7","5","4","3","4","3","1") = "6"
    & skf21("6","7","5","4","3","4","4","1") = "6"
    & skf21("6","7","5","4","3","4","5","1") = "6"
    & skf21("6","7","5","4","3","4","6","1") = "6"
    & skf21("6","7","5","4","3","4","7","1") = "6"
    & skf21("6","7","5","4","3","5","1","1") = "6"
    & skf21("6","7","5","4","3","5","2","1") = "6"
    & skf21("6","7","5","4","3","5","3","1") = "6"
    & skf21("6","7","5","4","3","5","4","1") = "6"
    & skf21("6","7","5","4","3","5","5","1") = "6"
    & skf21("6","7","5","4","3","5","6","1") = "6"
    & skf21("6","7","5","4","3","5","7","1") = "6"
    & skf21("6","7","5","4","3","6","1","1") = "6"
    & skf21("6","7","5","4","3","6","2","1") = "6"
    & skf21("6","7","5","4","3","6","3","1") = "6"
    & skf21("6","7","5","4","3","6","4","1") = "6"
    & skf21("6","7","5","4","3","6","5","1") = "6"
    & skf21("6","7","5","4","3","6","6","1") = "6"
    & skf21("6","7","5","4","3","6","7","1") = "6"
    & skf21("6","7","5","4","3","7","1","1") = "6"
    & skf21("6","7","5","4","3","7","2","1") = "6"
    & skf21("6","7","5","4","3","7","3","1") = "6"
    & skf21("6","7","5","4","3","7","4","1") = "6"
    & skf21("6","7","5","4","3","7","5","1") = "6"
    & skf21("6","7","5","4","3","7","6","1") = "6"
    & skf21("6","7","5","4","3","7","7","1") = "6"
    & skf21("6","7","5","4","4","1","1","1") = "6"
    & skf21("6","7","5","4","4","1","2","1") = "6"
    & skf21("6","7","5","4","4","1","3","1") = "6"
    & skf21("6","7","5","4","4","1","4","1") = "6"
    & skf21("6","7","5","4","4","1","5","1") = "6"
    & skf21("6","7","5","4","4","1","6","1") = "6"
    & skf21("6","7","5","4","4","1","7","1") = "6"
    & skf21("6","7","5","4","4","2","1","1") = "6"
    & skf21("6","7","5","4","4","2","2","1") = "6"
    & skf21("6","7","5","4","4","2","3","1") = "6"
    & skf21("6","7","5","4","4","2","4","1") = "6"
    & skf21("6","7","5","4","4","2","5","1") = "6"
    & skf21("6","7","5","4","4","2","6","1") = "6"
    & skf21("6","7","5","4","4","2","7","1") = "6"
    & skf21("6","7","5","4","4","3","1","1") = "6"
    & skf21("6","7","5","4","4","3","2","1") = "6"
    & skf21("6","7","5","4","4","3","3","1") = "6"
    & skf21("6","7","5","4","4","3","4","1") = "6"
    & skf21("6","7","5","4","4","3","5","1") = "6"
    & skf21("6","7","5","4","4","3","6","1") = "6"
    & skf21("6","7","5","4","4","3","7","1") = "6"
    & skf21("6","7","5","4","4","4","1","1") = "6"
    & skf21("6","7","5","4","4","4","2","1") = "6"
    & skf21("6","7","5","4","4","4","3","1") = "6"
    & skf21("6","7","5","4","4","4","4","1") = "6"
    & skf21("6","7","5","4","4","4","5","1") = "6"
    & skf21("6","7","5","4","4","4","6","1") = "6"
    & skf21("6","7","5","4","4","4","7","1") = "6"
    & skf21("6","7","5","4","4","5","1","1") = "6"
    & skf21("6","7","5","4","4","5","2","1") = "6"
    & skf21("6","7","5","4","4","5","3","1") = "6"
    & skf21("6","7","5","4","4","5","4","1") = "6"
    & skf21("6","7","5","4","4","5","5","1") = "6"
    & skf21("6","7","5","4","4","5","6","1") = "6"
    & skf21("6","7","5","4","4","5","7","1") = "6"
    & skf21("6","7","5","4","4","6","1","1") = "6"
    & skf21("6","7","5","4","4","6","2","1") = "6"
    & skf21("6","7","5","4","4","6","3","1") = "6"
    & skf21("6","7","5","4","4","6","4","1") = "6"
    & skf21("6","7","5","4","4","6","5","1") = "6"
    & skf21("6","7","5","4","4","6","6","1") = "6"
    & skf21("6","7","5","4","4","6","7","1") = "6"
    & skf21("6","7","5","4","4","7","1","1") = "6"
    & skf21("6","7","5","4","4","7","2","1") = "6"
    & skf21("6","7","5","4","4","7","3","1") = "6"
    & skf21("6","7","5","4","4","7","4","1") = "6"
    & skf21("6","7","5","4","4","7","5","1") = "6"
    & skf21("6","7","5","4","4","7","6","1") = "6"
    & skf21("6","7","5","4","4","7","7","1") = "6"
    & skf21("6","7","5","4","5","1","1","1") = "6"
    & skf21("6","7","5","4","5","1","2","1") = "6"
    & skf21("6","7","5","4","5","1","3","1") = "6"
    & skf21("6","7","5","4","5","1","4","1") = "6"
    & skf21("6","7","5","4","5","1","5","1") = "6"
    & skf21("6","7","5","4","5","1","6","1") = "6"
    & skf21("6","7","5","4","5","1","7","1") = "6"
    & skf21("6","7","5","4","5","2","1","1") = "6"
    & skf21("6","7","5","4","5","2","2","1") = "6"
    & skf21("6","7","5","4","5","2","3","1") = "6"
    & skf21("6","7","5","4","5","2","4","1") = "6"
    & skf21("6","7","5","4","5","2","5","1") = "6"
    & skf21("6","7","5","4","5","2","6","1") = "6"
    & skf21("6","7","5","4","5","2","7","1") = "6"
    & skf21("6","7","5","4","5","3","1","1") = "6"
    & skf21("6","7","5","4","5","3","2","1") = "6"
    & skf21("6","7","5","4","5","3","3","1") = "6"
    & skf21("6","7","5","4","5","3","4","1") = "6"
    & skf21("6","7","5","4","5","3","5","1") = "6"
    & skf21("6","7","5","4","5","3","6","1") = "6"
    & skf21("6","7","5","4","5","3","7","1") = "6"
    & skf21("6","7","5","4","5","4","1","1") = "6"
    & skf21("6","7","5","4","5","4","2","1") = "6"
    & skf21("6","7","5","4","5","4","3","1") = "6"
    & skf21("6","7","5","4","5","4","4","1") = "6"
    & skf21("6","7","5","4","5","4","5","1") = "6"
    & skf21("6","7","5","4","5","4","6","1") = "6"
    & skf21("6","7","5","4","5","4","7","1") = "6"
    & skf21("6","7","5","4","5","5","1","1") = "6"
    & skf21("6","7","5","4","5","5","2","1") = "6"
    & skf21("6","7","5","4","5","5","3","1") = "6"
    & skf21("6","7","5","4","5","5","4","1") = "6"
    & skf21("6","7","5","4","5","5","5","1") = "6"
    & skf21("6","7","5","4","5","5","6","1") = "6"
    & skf21("6","7","5","4","5","5","7","1") = "6"
    & skf21("6","7","5","4","5","6","1","1") = "6"
    & skf21("6","7","5","4","5","6","2","1") = "6"
    & skf21("6","7","5","4","5","6","3","1") = "6"
    & skf21("6","7","5","4","5","6","4","1") = "6"
    & skf21("6","7","5","4","5","6","5","1") = "6"
    & skf21("6","7","5","4","5","6","6","1") = "6"
    & skf21("6","7","5","4","5","6","7","1") = "6"
    & skf21("6","7","5","4","5","7","1","1") = "6"
    & skf21("6","7","5","4","5","7","2","1") = "6"
    & skf21("6","7","5","4","5","7","3","1") = "6"
    & skf21("6","7","5","4","5","7","4","1") = "6"
    & skf21("6","7","5","4","5","7","5","1") = "6"
    & skf21("6","7","5","4","5","7","6","1") = "6"
    & skf21("6","7","5","4","5","7","7","1") = "6"
    & skf21("6","7","5","4","6","1","1","1") = "6"
    & skf21("6","7","5","4","6","1","2","1") = "6"
    & skf21("6","7","5","4","6","1","3","1") = "6"
    & skf21("6","7","5","4","6","1","4","1") = "6"
    & skf21("6","7","5","4","6","1","5","1") = "6"
    & skf21("6","7","5","4","6","1","6","1") = "6"
    & skf21("6","7","5","4","6","1","7","1") = "6"
    & skf21("6","7","5","4","6","2","1","1") = "6"
    & skf21("6","7","5","4","6","2","2","1") = "6"
    & skf21("6","7","5","4","6","2","3","1") = "6"
    & skf21("6","7","5","4","6","2","4","1") = "6"
    & skf21("6","7","5","4","6","2","5","1") = "6"
    & skf21("6","7","5","4","6","2","6","1") = "6"
    & skf21("6","7","5","4","6","2","7","1") = "6"
    & skf21("6","7","5","4","6","3","1","1") = "6"
    & skf21("6","7","5","4","6","3","2","1") = "6"
    & skf21("6","7","5","4","6","3","3","1") = "6"
    & skf21("6","7","5","4","6","3","4","1") = "6"
    & skf21("6","7","5","4","6","3","5","1") = "6"
    & skf21("6","7","5","4","6","3","6","1") = "6"
    & skf21("6","7","5","4","6","3","7","1") = "6"
    & skf21("6","7","5","4","6","4","1","1") = "6"
    & skf21("6","7","5","4","6","4","2","1") = "6"
    & skf21("6","7","5","4","6","4","3","1") = "6"
    & skf21("6","7","5","4","6","4","4","1") = "6"
    & skf21("6","7","5","4","6","4","5","1") = "6"
    & skf21("6","7","5","4","6","4","6","1") = "6"
    & skf21("6","7","5","4","6","4","7","1") = "6"
    & skf21("6","7","5","4","6","5","1","1") = "6"
    & skf21("6","7","5","4","6","5","2","1") = "6"
    & skf21("6","7","5","4","6","5","3","1") = "6"
    & skf21("6","7","5","4","6","5","4","1") = "6"
    & skf21("6","7","5","4","6","5","5","1") = "6"
    & skf21("6","7","5","4","6","5","6","1") = "6"
    & skf21("6","7","5","4","6","5","7","1") = "6"
    & skf21("6","7","5","4","6","6","1","1") = "6"
    & skf21("6","7","5","4","6","6","2","1") = "6"
    & skf21("6","7","5","4","6","6","3","1") = "6"
    & skf21("6","7","5","4","6","6","4","1") = "6"
    & skf21("6","7","5","4","6","6","5","1") = "6"
    & skf21("6","7","5","4","6","6","6","1") = "6"
    & skf21("6","7","5","4","6","6","7","1") = "6"
    & skf21("6","7","5","4","6","7","1","1") = "6"
    & skf21("6","7","5","4","6","7","2","1") = "6"
    & skf21("6","7","5","4","6","7","3","1") = "6"
    & skf21("6","7","5","4","6","7","4","1") = "6"
    & skf21("6","7","5","4","6","7","5","1") = "6"
    & skf21("6","7","5","4","6","7","6","1") = "6"
    & skf21("6","7","5","4","6","7","7","1") = "6"
    & skf21("6","7","5","4","7","1","1","1") = "6"
    & skf21("6","7","5","4","7","1","2","1") = "6"
    & skf21("6","7","5","4","7","1","3","1") = "6"
    & skf21("6","7","5","4","7","1","4","1") = "6"
    & skf21("6","7","5","4","7","1","5","1") = "6"
    & skf21("6","7","5","4","7","1","6","1") = "6"
    & skf21("6","7","5","4","7","1","7","1") = "6"
    & skf21("6","7","5","4","7","2","1","1") = "6"
    & skf21("6","7","5","4","7","2","2","1") = "6"
    & skf21("6","7","5","4","7","2","3","1") = "6"
    & skf21("6","7","5","4","7","2","4","1") = "6"
    & skf21("6","7","5","4","7","2","5","1") = "6"
    & skf21("6","7","5","4","7","2","6","1") = "6"
    & skf21("6","7","5","4","7","2","7","1") = "6"
    & skf21("6","7","5","4","7","3","1","1") = "6"
    & skf21("6","7","5","4","7","3","2","1") = "6"
    & skf21("6","7","5","4","7","3","3","1") = "6"
    & skf21("6","7","5","4","7","3","4","1") = "6"
    & skf21("6","7","5","4","7","3","5","1") = "6"
    & skf21("6","7","5","4","7","3","6","1") = "6"
    & skf21("6","7","5","4","7","3","7","1") = "6"
    & skf21("6","7","5","4","7","4","1","1") = "6"
    & skf21("6","7","5","4","7","4","2","1") = "6"
    & skf21("6","7","5","4","7","4","3","1") = "6"
    & skf21("6","7","5","4","7","4","4","1") = "6"
    & skf21("6","7","5","4","7","4","5","1") = "6"
    & skf21("6","7","5","4","7","4","6","1") = "6"
    & skf21("6","7","5","4","7","4","7","1") = "6"
    & skf21("6","7","5","4","7","5","1","1") = "6"
    & skf21("6","7","5","4","7","5","2","1") = "6"
    & skf21("6","7","5","4","7","5","3","1") = "6"
    & skf21("6","7","5","4","7","5","4","1") = "6"
    & skf21("6","7","5","4","7","5","5","1") = "6"
    & skf21("6","7","5","4","7","5","6","1") = "6"
    & skf21("6","7","5","4","7","5","7","1") = "6"
    & skf21("6","7","5","4","7","6","1","1") = "6"
    & skf21("6","7","5","4","7","6","2","1") = "6"
    & skf21("6","7","5","4","7","6","3","1") = "6"
    & skf21("6","7","5","4","7","6","4","1") = "6"
    & skf21("6","7","5","4","7","6","5","1") = "6"
    & skf21("6","7","5","4","7","6","6","1") = "6"
    & skf21("6","7","5","4","7","6","7","1") = "6"
    & skf21("6","7","5","4","7","7","1","1") = "6"
    & skf21("6","7","5","4","7","7","2","1") = "6"
    & skf21("6","7","5","4","7","7","3","1") = "6"
    & skf21("6","7","5","4","7","7","4","1") = "6"
    & skf21("6","7","5","4","7","7","5","1") = "6"
    & skf21("6","7","5","4","7","7","6","1") = "6"
    & skf21("6","7","5","4","7","7","7","1") = "6"
    & skf21("6","7","5","5","1","1","1","1") = "6"
    & skf21("6","7","5","5","1","1","2","1") = "6"
    & skf21("6","7","5","5","1","1","3","1") = "6"
    & skf21("6","7","5","5","1","1","4","1") = "6"
    & skf21("6","7","5","5","1","1","5","1") = "6"
    & skf21("6","7","5","5","1","1","6","1") = "6"
    & skf21("6","7","5","5","1","1","7","1") = "6"
    & skf21("6","7","5","5","1","2","1","1") = "6"
    & skf21("6","7","5","5","1","2","2","1") = "6"
    & skf21("6","7","5","5","1","2","3","1") = "6"
    & skf21("6","7","5","5","1","2","4","1") = "6"
    & skf21("6","7","5","5","1","2","5","1") = "6"
    & skf21("6","7","5","5","1","2","6","1") = "6"
    & skf21("6","7","5","5","1","2","7","1") = "6"
    & skf21("6","7","5","5","1","3","1","1") = "6"
    & skf21("6","7","5","5","1","3","2","1") = "6"
    & skf21("6","7","5","5","1","3","3","1") = "6"
    & skf21("6","7","5","5","1","3","4","1") = "6"
    & skf21("6","7","5","5","1","3","5","1") = "6"
    & skf21("6","7","5","5","1","3","6","1") = "6"
    & skf21("6","7","5","5","1","3","7","1") = "6"
    & skf21("6","7","5","5","1","4","1","1") = "6"
    & skf21("6","7","5","5","1","4","2","1") = "6"
    & skf21("6","7","5","5","1","4","3","1") = "6"
    & skf21("6","7","5","5","1","4","4","1") = "6"
    & skf21("6","7","5","5","1","4","5","1") = "6"
    & skf21("6","7","5","5","1","4","6","1") = "6"
    & skf21("6","7","5","5","1","4","7","1") = "6"
    & skf21("6","7","5","5","1","5","1","1") = "6"
    & skf21("6","7","5","5","1","5","2","1") = "6"
    & skf21("6","7","5","5","1","5","3","1") = "6"
    & skf21("6","7","5","5","1","5","4","1") = "6"
    & skf21("6","7","5","5","1","5","5","1") = "6"
    & skf21("6","7","5","5","1","5","6","1") = "6"
    & skf21("6","7","5","5","1","5","7","1") = "6"
    & skf21("6","7","5","5","1","6","1","1") = "6"
    & skf21("6","7","5","5","1","6","2","1") = "6"
    & skf21("6","7","5","5","1","6","3","1") = "6"
    & skf21("6","7","5","5","1","6","4","1") = "6"
    & skf21("6","7","5","5","1","6","5","1") = "6"
    & skf21("6","7","5","5","1","6","6","1") = "6"
    & skf21("6","7","5","5","1","6","7","1") = "6"
    & skf21("6","7","5","5","1","7","1","1") = "6"
    & skf21("6","7","5","5","1","7","2","1") = "6"
    & skf21("6","7","5","5","1","7","3","1") = "6"
    & skf21("6","7","5","5","1","7","4","1") = "6"
    & skf21("6","7","5","5","1","7","5","1") = "6"
    & skf21("6","7","5","5","1","7","6","1") = "6"
    & skf21("6","7","5","5","1","7","7","1") = "6"
    & skf21("6","7","5","5","2","1","1","1") = "6"
    & skf21("6","7","5","5","2","1","2","1") = "6"
    & skf21("6","7","5","5","2","1","3","1") = "6"
    & skf21("6","7","5","5","2","1","4","1") = "6"
    & skf21("6","7","5","5","2","1","5","1") = "6"
    & skf21("6","7","5","5","2","1","6","1") = "6"
    & skf21("6","7","5","5","2","1","7","1") = "6"
    & skf21("6","7","5","5","2","2","1","1") = "6"
    & skf21("6","7","5","5","2","2","2","1") = "6"
    & skf21("6","7","5","5","2","2","3","1") = "6"
    & skf21("6","7","5","5","2","2","4","1") = "6"
    & skf21("6","7","5","5","2","2","5","1") = "6"
    & skf21("6","7","5","5","2","2","6","1") = "6"
    & skf21("6","7","5","5","2","2","7","1") = "6"
    & skf21("6","7","5","5","2","3","1","1") = "6"
    & skf21("6","7","5","5","2","3","2","1") = "6"
    & skf21("6","7","5","5","2","3","3","1") = "6"
    & skf21("6","7","5","5","2","3","4","1") = "6"
    & skf21("6","7","5","5","2","3","5","1") = "6"
    & skf21("6","7","5","5","2","3","6","1") = "6"
    & skf21("6","7","5","5","2","3","7","1") = "6"
    & skf21("6","7","5","5","2","4","1","1") = "6"
    & skf21("6","7","5","5","2","4","2","1") = "6"
    & skf21("6","7","5","5","2","4","3","1") = "6"
    & skf21("6","7","5","5","2","4","4","1") = "6"
    & skf21("6","7","5","5","2","4","5","1") = "6"
    & skf21("6","7","5","5","2","4","6","1") = "6"
    & skf21("6","7","5","5","2","4","7","1") = "6"
    & skf21("6","7","5","5","2","5","1","1") = "6"
    & skf21("6","7","5","5","2","5","2","1") = "6"
    & skf21("6","7","5","5","2","5","3","1") = "6"
    & skf21("6","7","5","5","2","5","4","1") = "6"
    & skf21("6","7","5","5","2","5","5","1") = "6"
    & skf21("6","7","5","5","2","5","6","1") = "6"
    & skf21("6","7","5","5","2","5","7","1") = "6"
    & skf21("6","7","5","5","2","6","1","1") = "6"
    & skf21("6","7","5","5","2","6","2","1") = "6"
    & skf21("6","7","5","5","2","6","3","1") = "6"
    & skf21("6","7","5","5","2","6","4","1") = "6"
    & skf21("6","7","5","5","2","6","5","1") = "6"
    & skf21("6","7","5","5","2","6","6","1") = "6"
    & skf21("6","7","5","5","2","6","7","1") = "6"
    & skf21("6","7","5","5","2","7","1","1") = "6"
    & skf21("6","7","5","5","2","7","2","1") = "6"
    & skf21("6","7","5","5","2","7","3","1") = "6"
    & skf21("6","7","5","5","2","7","4","1") = "6"
    & skf21("6","7","5","5","2","7","5","1") = "6"
    & skf21("6","7","5","5","2","7","6","1") = "6"
    & skf21("6","7","5","5","2","7","7","1") = "6"
    & skf21("6","7","5","5","3","1","1","1") = "6"
    & skf21("6","7","5","5","3","1","2","1") = "6"
    & skf21("6","7","5","5","3","1","3","1") = "6"
    & skf21("6","7","5","5","3","1","4","1") = "6"
    & skf21("6","7","5","5","3","1","5","1") = "6"
    & skf21("6","7","5","5","3","1","6","1") = "6"
    & skf21("6","7","5","5","3","1","7","1") = "6"
    & skf21("6","7","5","5","3","2","1","1") = "6"
    & skf21("6","7","5","5","3","2","2","1") = "6"
    & skf21("6","7","5","5","3","2","3","1") = "6"
    & skf21("6","7","5","5","3","2","4","1") = "6"
    & skf21("6","7","5","5","3","2","5","1") = "6"
    & skf21("6","7","5","5","3","2","6","1") = "6"
    & skf21("6","7","5","5","3","2","7","1") = "6"
    & skf21("6","7","5","5","3","3","1","1") = "6"
    & skf21("6","7","5","5","3","3","2","1") = "6"
    & skf21("6","7","5","5","3","3","3","1") = "6"
    & skf21("6","7","5","5","3","3","4","1") = "6"
    & skf21("6","7","5","5","3","3","5","1") = "6"
    & skf21("6","7","5","5","3","3","6","1") = "6"
    & skf21("6","7","5","5","3","3","7","1") = "6"
    & skf21("6","7","5","5","3","4","1","1") = "6"
    & skf21("6","7","5","5","3","4","2","1") = "6"
    & skf21("6","7","5","5","3","4","3","1") = "6"
    & skf21("6","7","5","5","3","4","4","1") = "6"
    & skf21("6","7","5","5","3","4","5","1") = "6"
    & skf21("6","7","5","5","3","4","6","1") = "6"
    & skf21("6","7","5","5","3","4","7","1") = "6"
    & skf21("6","7","5","5","3","5","1","1") = "6"
    & skf21("6","7","5","5","3","5","2","1") = "6"
    & skf21("6","7","5","5","3","5","3","1") = "6"
    & skf21("6","7","5","5","3","5","4","1") = "6"
    & skf21("6","7","5","5","3","5","5","1") = "6"
    & skf21("6","7","5","5","3","5","6","1") = "6"
    & skf21("6","7","5","5","3","5","7","1") = "6"
    & skf21("6","7","5","5","3","6","1","1") = "6"
    & skf21("6","7","5","5","3","6","2","1") = "6"
    & skf21("6","7","5","5","3","6","3","1") = "6"
    & skf21("6","7","5","5","3","6","4","1") = "6"
    & skf21("6","7","5","5","3","6","5","1") = "6"
    & skf21("6","7","5","5","3","6","6","1") = "6"
    & skf21("6","7","5","5","3","6","7","1") = "6"
    & skf21("6","7","5","5","3","7","1","1") = "6"
    & skf21("6","7","5","5","3","7","2","1") = "6"
    & skf21("6","7","5","5","3","7","3","1") = "6"
    & skf21("6","7","5","5","3","7","4","1") = "6"
    & skf21("6","7","5","5","3","7","5","1") = "6"
    & skf21("6","7","5","5","3","7","6","1") = "6"
    & skf21("6","7","5","5","3","7","7","1") = "6"
    & skf21("6","7","5","5","4","1","1","1") = "6"
    & skf21("6","7","5","5","4","1","2","1") = "6"
    & skf21("6","7","5","5","4","1","3","1") = "6"
    & skf21("6","7","5","5","4","1","4","1") = "6"
    & skf21("6","7","5","5","4","1","5","1") = "6"
    & skf21("6","7","5","5","4","1","6","1") = "6"
    & skf21("6","7","5","5","4","1","7","1") = "6"
    & skf21("6","7","5","5","4","2","1","1") = "6"
    & skf21("6","7","5","5","4","2","2","1") = "6"
    & skf21("6","7","5","5","4","2","3","1") = "6"
    & skf21("6","7","5","5","4","2","4","1") = "6"
    & skf21("6","7","5","5","4","2","5","1") = "6"
    & skf21("6","7","5","5","4","2","6","1") = "6"
    & skf21("6","7","5","5","4","2","7","1") = "6"
    & skf21("6","7","5","5","4","3","1","1") = "6"
    & skf21("6","7","5","5","4","3","2","1") = "6"
    & skf21("6","7","5","5","4","3","3","1") = "6"
    & skf21("6","7","5","5","4","3","4","1") = "6"
    & skf21("6","7","5","5","4","3","5","1") = "6"
    & skf21("6","7","5","5","4","3","6","1") = "6"
    & skf21("6","7","5","5","4","3","7","1") = "6"
    & skf21("6","7","5","5","4","4","1","1") = "6"
    & skf21("6","7","5","5","4","4","2","1") = "6"
    & skf21("6","7","5","5","4","4","3","1") = "6"
    & skf21("6","7","5","5","4","4","4","1") = "6"
    & skf21("6","7","5","5","4","4","5","1") = "6"
    & skf21("6","7","5","5","4","4","6","1") = "6"
    & skf21("6","7","5","5","4","4","7","1") = "6"
    & skf21("6","7","5","5","4","5","1","1") = "6"
    & skf21("6","7","5","5","4","5","2","1") = "6"
    & skf21("6","7","5","5","4","5","3","1") = "6"
    & skf21("6","7","5","5","4","5","4","1") = "6"
    & skf21("6","7","5","5","4","5","5","1") = "6"
    & skf21("6","7","5","5","4","5","6","1") = "6"
    & skf21("6","7","5","5","4","5","7","1") = "6"
    & skf21("6","7","5","5","4","6","1","1") = "6"
    & skf21("6","7","5","5","4","6","2","1") = "6"
    & skf21("6","7","5","5","4","6","3","1") = "6"
    & skf21("6","7","5","5","4","6","4","1") = "6"
    & skf21("6","7","5","5","4","6","5","1") = "6"
    & skf21("6","7","5","5","4","6","6","1") = "6"
    & skf21("6","7","5","5","4","6","7","1") = "6"
    & skf21("6","7","5","5","4","7","1","1") = "6"
    & skf21("6","7","5","5","4","7","2","1") = "6"
    & skf21("6","7","5","5","4","7","3","1") = "6"
    & skf21("6","7","5","5","4","7","4","1") = "6"
    & skf21("6","7","5","5","4","7","5","1") = "6"
    & skf21("6","7","5","5","4","7","6","1") = "6"
    & skf21("6","7","5","5","4","7","7","1") = "6"
    & skf21("6","7","5","5","5","1","1","1") = "6"
    & skf21("6","7","5","5","5","1","2","1") = "6"
    & skf21("6","7","5","5","5","1","3","1") = "6"
    & skf21("6","7","5","5","5","1","4","1") = "6"
    & skf21("6","7","5","5","5","1","5","1") = "6"
    & skf21("6","7","5","5","5","1","6","1") = "6"
    & skf21("6","7","5","5","5","1","7","1") = "6"
    & skf21("6","7","5","5","5","2","1","1") = "6"
    & skf21("6","7","5","5","5","2","2","1") = "6"
    & skf21("6","7","5","5","5","2","3","1") = "6"
    & skf21("6","7","5","5","5","2","4","1") = "6"
    & skf21("6","7","5","5","5","2","5","1") = "6"
    & skf21("6","7","5","5","5","2","6","1") = "6"
    & skf21("6","7","5","5","5","2","7","1") = "6"
    & skf21("6","7","5","5","5","3","1","1") = "6"
    & skf21("6","7","5","5","5","3","2","1") = "6"
    & skf21("6","7","5","5","5","3","3","1") = "6"
    & skf21("6","7","5","5","5","3","4","1") = "6"
    & skf21("6","7","5","5","5","3","5","1") = "6"
    & skf21("6","7","5","5","5","3","6","1") = "6"
    & skf21("6","7","5","5","5","3","7","1") = "6"
    & skf21("6","7","5","5","5","4","1","1") = "6"
    & skf21("6","7","5","5","5","4","2","1") = "6"
    & skf21("6","7","5","5","5","4","3","1") = "6"
    & skf21("6","7","5","5","5","4","4","1") = "6"
    & skf21("6","7","5","5","5","4","5","1") = "6"
    & skf21("6","7","5","5","5","4","6","1") = "6"
    & skf21("6","7","5","5","5","4","7","1") = "6"
    & skf21("6","7","5","5","5","5","1","1") = "6"
    & skf21("6","7","5","5","5","5","2","1") = "6"
    & skf21("6","7","5","5","5","5","3","1") = "6"
    & skf21("6","7","5","5","5","5","4","1") = "6"
    & skf21("6","7","5","5","5","5","5","1") = "6"
    & skf21("6","7","5","5","5","5","6","1") = "6"
    & skf21("6","7","5","5","5","5","7","1") = "6"
    & skf21("6","7","5","5","5","6","1","1") = "6"
    & skf21("6","7","5","5","5","6","2","1") = "6"
    & skf21("6","7","5","5","5","6","3","1") = "6"
    & skf21("6","7","5","5","5","6","4","1") = "6"
    & skf21("6","7","5","5","5","6","5","1") = "6"
    & skf21("6","7","5","5","5","6","6","1") = "6"
    & skf21("6","7","5","5","5","6","7","1") = "6"
    & skf21("6","7","5","5","5","7","1","1") = "6"
    & skf21("6","7","5","5","5","7","2","1") = "6"
    & skf21("6","7","5","5","5","7","3","1") = "6"
    & skf21("6","7","5","5","5","7","4","1") = "6"
    & skf21("6","7","5","5","5","7","5","1") = "6"
    & skf21("6","7","5","5","5","7","6","1") = "6"
    & skf21("6","7","5","5","5","7","7","1") = "6"
    & skf21("6","7","5","5","6","1","1","1") = "6"
    & skf21("6","7","5","5","6","1","2","1") = "6"
    & skf21("6","7","5","5","6","1","3","1") = "6"
    & skf21("6","7","5","5","6","1","4","1") = "6"
    & skf21("6","7","5","5","6","1","5","1") = "6"
    & skf21("6","7","5","5","6","1","6","1") = "6"
    & skf21("6","7","5","5","6","1","7","1") = "6"
    & skf21("6","7","5","5","6","2","1","1") = "6"
    & skf21("6","7","5","5","6","2","2","1") = "6"
    & skf21("6","7","5","5","6","2","3","1") = "6"
    & skf21("6","7","5","5","6","2","4","1") = "6"
    & skf21("6","7","5","5","6","2","5","1") = "6"
    & skf21("6","7","5","5","6","2","6","1") = "6"
    & skf21("6","7","5","5","6","2","7","1") = "6"
    & skf21("6","7","5","5","6","3","1","1") = "6"
    & skf21("6","7","5","5","6","3","2","1") = "6"
    & skf21("6","7","5","5","6","3","3","1") = "6"
    & skf21("6","7","5","5","6","3","4","1") = "6"
    & skf21("6","7","5","5","6","3","5","1") = "6"
    & skf21("6","7","5","5","6","3","6","1") = "6"
    & skf21("6","7","5","5","6","3","7","1") = "6"
    & skf21("6","7","5","5","6","4","1","1") = "6"
    & skf21("6","7","5","5","6","4","2","1") = "6"
    & skf21("6","7","5","5","6","4","3","1") = "6"
    & skf21("6","7","5","5","6","4","4","1") = "6"
    & skf21("6","7","5","5","6","4","5","1") = "6"
    & skf21("6","7","5","5","6","4","6","1") = "6"
    & skf21("6","7","5","5","6","4","7","1") = "6"
    & skf21("6","7","5","5","6","5","1","1") = "6"
    & skf21("6","7","5","5","6","5","2","1") = "6"
    & skf21("6","7","5","5","6","5","3","1") = "6"
    & skf21("6","7","5","5","6","5","4","1") = "6"
    & skf21("6","7","5","5","6","5","5","1") = "6"
    & skf21("6","7","5","5","6","5","6","1") = "6"
    & skf21("6","7","5","5","6","5","7","1") = "6"
    & skf21("6","7","5","5","6","6","1","1") = "6"
    & skf21("6","7","5","5","6","6","2","1") = "6"
    & skf21("6","7","5","5","6","6","3","1") = "6"
    & skf21("6","7","5","5","6","6","4","1") = "6"
    & skf21("6","7","5","5","6","6","5","1") = "6"
    & skf21("6","7","5","5","6","6","6","1") = "6"
    & skf21("6","7","5","5","6","6","7","1") = "6"
    & skf21("6","7","5","5","6","7","1","1") = "6"
    & skf21("6","7","5","5","6","7","2","1") = "6"
    & skf21("6","7","5","5","6","7","3","1") = "6"
    & skf21("6","7","5","5","6","7","4","1") = "6"
    & skf21("6","7","5","5","6","7","5","1") = "6"
    & skf21("6","7","5","5","6","7","6","1") = "6"
    & skf21("6","7","5","5","6","7","7","1") = "6"
    & skf21("6","7","5","5","7","1","1","1") = "6"
    & skf21("6","7","5","5","7","1","2","1") = "6"
    & skf21("6","7","5","5","7","1","3","1") = "6"
    & skf21("6","7","5","5","7","1","4","1") = "6"
    & skf21("6","7","5","5","7","1","5","1") = "6"
    & skf21("6","7","5","5","7","1","6","1") = "6"
    & skf21("6","7","5","5","7","1","7","1") = "6"
    & skf21("6","7","5","5","7","2","1","1") = "6"
    & skf21("6","7","5","5","7","2","2","1") = "6"
    & skf21("6","7","5","5","7","2","3","1") = "6"
    & skf21("6","7","5","5","7","2","4","1") = "6"
    & skf21("6","7","5","5","7","2","5","1") = "6"
    & skf21("6","7","5","5","7","2","6","1") = "6"
    & skf21("6","7","5","5","7","2","7","1") = "6"
    & skf21("6","7","5","5","7","3","1","1") = "6"
    & skf21("6","7","5","5","7","3","2","1") = "6"
    & skf21("6","7","5","5","7","3","3","1") = "6"
    & skf21("6","7","5","5","7","3","4","1") = "6"
    & skf21("6","7","5","5","7","3","5","1") = "6"
    & skf21("6","7","5","5","7","3","6","1") = "6"
    & skf21("6","7","5","5","7","3","7","1") = "6"
    & skf21("6","7","5","5","7","4","1","1") = "6"
    & skf21("6","7","5","5","7","4","2","1") = "6"
    & skf21("6","7","5","5","7","4","3","1") = "6"
    & skf21("6","7","5","5","7","4","4","1") = "6"
    & skf21("6","7","5","5","7","4","5","1") = "6"
    & skf21("6","7","5","5","7","4","6","1") = "6"
    & skf21("6","7","5","5","7","4","7","1") = "6"
    & skf21("6","7","5","5","7","5","1","1") = "6"
    & skf21("6","7","5","5","7","5","2","1") = "6"
    & skf21("6","7","5","5","7","5","3","1") = "6"
    & skf21("6","7","5","5","7","5","4","1") = "6"
    & skf21("6","7","5","5","7","5","5","1") = "6"
    & skf21("6","7","5","5","7","5","6","1") = "6"
    & skf21("6","7","5","5","7","5","7","1") = "6"
    & skf21("6","7","5","5","7","6","1","1") = "6"
    & skf21("6","7","5","5","7","6","2","1") = "6"
    & skf21("6","7","5","5","7","6","3","1") = "6"
    & skf21("6","7","5","5","7","6","4","1") = "6"
    & skf21("6","7","5","5","7","6","5","1") = "6"
    & skf21("6","7","5","5","7","6","6","1") = "6"
    & skf21("6","7","5","5","7","6","7","1") = "6"
    & skf21("6","7","5","5","7","7","1","1") = "6"
    & skf21("6","7","5","5","7","7","2","1") = "6"
    & skf21("6","7","5","5","7","7","3","1") = "6"
    & skf21("6","7","5","5","7","7","4","1") = "6"
    & skf21("6","7","5","5","7","7","5","1") = "6"
    & skf21("6","7","5","5","7","7","6","1") = "6"
    & skf21("6","7","5","5","7","7","7","1") = "6"
    & skf21("6","7","5","6","1","1","1","1") = "6"
    & skf21("6","7","5","6","1","1","2","1") = "6"
    & skf21("6","7","5","6","1","1","3","1") = "6"
    & skf21("6","7","5","6","1","1","4","1") = "6"
    & skf21("6","7","5","6","1","1","5","1") = "6"
    & skf21("6","7","5","6","1","1","6","1") = "6"
    & skf21("6","7","5","6","1","1","7","1") = "6"
    & skf21("6","7","5","6","1","2","1","1") = "6"
    & skf21("6","7","5","6","1","2","2","1") = "6"
    & skf21("6","7","5","6","1","2","3","1") = "6"
    & skf21("6","7","5","6","1","2","4","1") = "6"
    & skf21("6","7","5","6","1","2","5","1") = "6"
    & skf21("6","7","5","6","1","2","6","1") = "6"
    & skf21("6","7","5","6","1","2","7","1") = "6"
    & skf21("6","7","5","6","1","3","1","1") = "6"
    & skf21("6","7","5","6","1","3","2","1") = "6"
    & skf21("6","7","5","6","1","3","3","1") = "6"
    & skf21("6","7","5","6","1","3","4","1") = "6"
    & skf21("6","7","5","6","1","3","5","1") = "6"
    & skf21("6","7","5","6","1","3","6","1") = "6"
    & skf21("6","7","5","6","1","3","7","1") = "6"
    & skf21("6","7","5","6","1","4","1","1") = "6"
    & skf21("6","7","5","6","1","4","2","1") = "6"
    & skf21("6","7","5","6","1","4","3","1") = "6"
    & skf21("6","7","5","6","1","4","4","1") = "6"
    & skf21("6","7","5","6","1","4","5","1") = "6"
    & skf21("6","7","5","6","1","4","6","1") = "6"
    & skf21("6","7","5","6","1","4","7","1") = "6"
    & skf21("6","7","5","6","1","5","1","1") = "6"
    & skf21("6","7","5","6","1","5","2","1") = "6"
    & skf21("6","7","5","6","1","5","3","1") = "6"
    & skf21("6","7","5","6","1","5","4","1") = "6"
    & skf21("6","7","5","6","1","5","5","1") = "6"
    & skf21("6","7","5","6","1","5","6","1") = "6"
    & skf21("6","7","5","6","1","5","7","1") = "6"
    & skf21("6","7","5","6","1","6","1","1") = "6"
    & skf21("6","7","5","6","1","6","2","1") = "6"
    & skf21("6","7","5","6","1","6","3","1") = "6"
    & skf21("6","7","5","6","1","6","4","1") = "6"
    & skf21("6","7","5","6","1","6","5","1") = "6"
    & skf21("6","7","5","6","1","6","6","1") = "6"
    & skf21("6","7","5","6","1","6","7","1") = "6"
    & skf21("6","7","5","6","1","7","1","1") = "6"
    & skf21("6","7","5","6","1","7","2","1") = "6"
    & skf21("6","7","5","6","1","7","3","1") = "6"
    & skf21("6","7","5","6","1","7","4","1") = "6"
    & skf21("6","7","5","6","1","7","5","1") = "6"
    & skf21("6","7","5","6","1","7","6","1") = "6"
    & skf21("6","7","5","6","1","7","7","1") = "6"
    & skf21("6","7","5","6","2","1","1","1") = "6"
    & skf21("6","7","5","6","2","1","2","1") = "6"
    & skf21("6","7","5","6","2","1","3","1") = "6"
    & skf21("6","7","5","6","2","1","4","1") = "6"
    & skf21("6","7","5","6","2","1","5","1") = "6"
    & skf21("6","7","5","6","2","1","6","1") = "6"
    & skf21("6","7","5","6","2","1","7","1") = "6"
    & skf21("6","7","5","6","2","2","1","1") = "6"
    & skf21("6","7","5","6","2","2","2","1") = "6"
    & skf21("6","7","5","6","2","2","3","1") = "6"
    & skf21("6","7","5","6","2","2","4","1") = "6"
    & skf21("6","7","5","6","2","2","5","1") = "6"
    & skf21("6","7","5","6","2","2","6","1") = "6"
    & skf21("6","7","5","6","2","2","7","1") = "6"
    & skf21("6","7","5","6","2","3","1","1") = "6"
    & skf21("6","7","5","6","2","3","2","1") = "6"
    & skf21("6","7","5","6","2","3","3","1") = "6"
    & skf21("6","7","5","6","2","3","4","1") = "6"
    & skf21("6","7","5","6","2","3","5","1") = "6"
    & skf21("6","7","5","6","2","3","6","1") = "6"
    & skf21("6","7","5","6","2","3","7","1") = "6"
    & skf21("6","7","5","6","2","4","1","1") = "6"
    & skf21("6","7","5","6","2","4","2","1") = "6"
    & skf21("6","7","5","6","2","4","3","1") = "6"
    & skf21("6","7","5","6","2","4","4","1") = "6"
    & skf21("6","7","5","6","2","4","5","1") = "6"
    & skf21("6","7","5","6","2","4","6","1") = "6"
    & skf21("6","7","5","6","2","4","7","1") = "6"
    & skf21("6","7","5","6","2","5","1","1") = "6"
    & skf21("6","7","5","6","2","5","2","1") = "6"
    & skf21("6","7","5","6","2","5","3","1") = "6"
    & skf21("6","7","5","6","2","5","4","1") = "6"
    & skf21("6","7","5","6","2","5","5","1") = "6"
    & skf21("6","7","5","6","2","5","6","1") = "6"
    & skf21("6","7","5","6","2","5","7","1") = "6"
    & skf21("6","7","5","6","2","6","1","1") = "6"
    & skf21("6","7","5","6","2","6","2","1") = "6"
    & skf21("6","7","5","6","2","6","3","1") = "6"
    & skf21("6","7","5","6","2","6","4","1") = "6"
    & skf21("6","7","5","6","2","6","5","1") = "6"
    & skf21("6","7","5","6","2","6","6","1") = "6"
    & skf21("6","7","5","6","2","6","7","1") = "6"
    & skf21("6","7","5","6","2","7","1","1") = "6"
    & skf21("6","7","5","6","2","7","2","1") = "6"
    & skf21("6","7","5","6","2","7","3","1") = "6"
    & skf21("6","7","5","6","2","7","4","1") = "6"
    & skf21("6","7","5","6","2","7","5","1") = "6"
    & skf21("6","7","5","6","2","7","6","1") = "6"
    & skf21("6","7","5","6","2","7","7","1") = "6"
    & skf21("6","7","5","6","3","1","1","1") = "6"
    & skf21("6","7","5","6","3","1","2","1") = "6"
    & skf21("6","7","5","6","3","1","3","1") = "6"
    & skf21("6","7","5","6","3","1","4","1") = "6"
    & skf21("6","7","5","6","3","1","5","1") = "6"
    & skf21("6","7","5","6","3","1","6","1") = "6"
    & skf21("6","7","5","6","3","1","7","1") = "6"
    & skf21("6","7","5","6","3","2","1","1") = "6"
    & skf21("6","7","5","6","3","2","2","1") = "6"
    & skf21("6","7","5","6","3","2","3","1") = "6"
    & skf21("6","7","5","6","3","2","4","1") = "6"
    & skf21("6","7","5","6","3","2","5","1") = "6"
    & skf21("6","7","5","6","3","2","6","1") = "6"
    & skf21("6","7","5","6","3","2","7","1") = "6"
    & skf21("6","7","5","6","3","3","1","1") = "6"
    & skf21("6","7","5","6","3","3","2","1") = "6"
    & skf21("6","7","5","6","3","3","3","1") = "6"
    & skf21("6","7","5","6","3","3","4","1") = "6"
    & skf21("6","7","5","6","3","3","5","1") = "6"
    & skf21("6","7","5","6","3","3","6","1") = "6"
    & skf21("6","7","5","6","3","3","7","1") = "6"
    & skf21("6","7","5","6","3","4","1","1") = "6"
    & skf21("6","7","5","6","3","4","2","1") = "6"
    & skf21("6","7","5","6","3","4","3","1") = "6"
    & skf21("6","7","5","6","3","4","4","1") = "6"
    & skf21("6","7","5","6","3","4","5","1") = "6"
    & skf21("6","7","5","6","3","4","6","1") = "6"
    & skf21("6","7","5","6","3","4","7","1") = "6"
    & skf21("6","7","5","6","3","5","1","1") = "6"
    & skf21("6","7","5","6","3","5","2","1") = "6"
    & skf21("6","7","5","6","3","5","3","1") = "6"
    & skf21("6","7","5","6","3","5","4","1") = "6"
    & skf21("6","7","5","6","3","5","5","1") = "6"
    & skf21("6","7","5","6","3","5","6","1") = "6"
    & skf21("6","7","5","6","3","5","7","1") = "6"
    & skf21("6","7","5","6","3","6","1","1") = "6"
    & skf21("6","7","5","6","3","6","2","1") = "6"
    & skf21("6","7","5","6","3","6","3","1") = "6"
    & skf21("6","7","5","6","3","6","4","1") = "6"
    & skf21("6","7","5","6","3","6","5","1") = "6"
    & skf21("6","7","5","6","3","6","6","1") = "6"
    & skf21("6","7","5","6","3","6","7","1") = "6"
    & skf21("6","7","5","6","3","7","1","1") = "6"
    & skf21("6","7","5","6","3","7","2","1") = "6"
    & skf21("6","7","5","6","3","7","3","1") = "6"
    & skf21("6","7","5","6","3","7","4","1") = "6"
    & skf21("6","7","5","6","3","7","5","1") = "6"
    & skf21("6","7","5","6","3","7","6","1") = "6"
    & skf21("6","7","5","6","3","7","7","1") = "6"
    & skf21("6","7","5","6","4","1","1","1") = "6"
    & skf21("6","7","5","6","4","1","2","1") = "6"
    & skf21("6","7","5","6","4","1","3","1") = "6"
    & skf21("6","7","5","6","4","1","4","1") = "6"
    & skf21("6","7","5","6","4","1","5","1") = "6"
    & skf21("6","7","5","6","4","1","6","1") = "6"
    & skf21("6","7","5","6","4","1","7","1") = "6"
    & skf21("6","7","5","6","4","2","1","1") = "6"
    & skf21("6","7","5","6","4","2","2","1") = "6"
    & skf21("6","7","5","6","4","2","3","1") = "6"
    & skf21("6","7","5","6","4","2","4","1") = "6"
    & skf21("6","7","5","6","4","2","5","1") = "6"
    & skf21("6","7","5","6","4","2","6","1") = "6"
    & skf21("6","7","5","6","4","2","7","1") = "6"
    & skf21("6","7","5","6","4","3","1","1") = "6"
    & skf21("6","7","5","6","4","3","2","1") = "6"
    & skf21("6","7","5","6","4","3","3","1") = "6"
    & skf21("6","7","5","6","4","3","4","1") = "6"
    & skf21("6","7","5","6","4","3","5","1") = "6"
    & skf21("6","7","5","6","4","3","6","1") = "6"
    & skf21("6","7","5","6","4","3","7","1") = "6"
    & skf21("6","7","5","6","4","4","1","1") = "6"
    & skf21("6","7","5","6","4","4","2","1") = "6"
    & skf21("6","7","5","6","4","4","3","1") = "6"
    & skf21("6","7","5","6","4","4","4","1") = "6"
    & skf21("6","7","5","6","4","4","5","1") = "6"
    & skf21("6","7","5","6","4","4","6","1") = "6"
    & skf21("6","7","5","6","4","4","7","1") = "6"
    & skf21("6","7","5","6","4","5","1","1") = "6"
    & skf21("6","7","5","6","4","5","2","1") = "6"
    & skf21("6","7","5","6","4","5","3","1") = "6"
    & skf21("6","7","5","6","4","5","4","1") = "6"
    & skf21("6","7","5","6","4","5","5","1") = "6"
    & skf21("6","7","5","6","4","5","6","1") = "6"
    & skf21("6","7","5","6","4","5","7","1") = "6"
    & skf21("6","7","5","6","4","6","1","1") = "6"
    & skf21("6","7","5","6","4","6","2","1") = "6"
    & skf21("6","7","5","6","4","6","3","1") = "6"
    & skf21("6","7","5","6","4","6","4","1") = "6"
    & skf21("6","7","5","6","4","6","5","1") = "6"
    & skf21("6","7","5","6","4","6","6","1") = "6"
    & skf21("6","7","5","6","4","6","7","1") = "6"
    & skf21("6","7","5","6","4","7","1","1") = "6"
    & skf21("6","7","5","6","4","7","2","1") = "6"
    & skf21("6","7","5","6","4","7","3","1") = "6"
    & skf21("6","7","5","6","4","7","4","1") = "6"
    & skf21("6","7","5","6","4","7","5","1") = "6"
    & skf21("6","7","5","6","4","7","6","1") = "6"
    & skf21("6","7","5","6","4","7","7","1") = "6"
    & skf21("6","7","5","6","5","1","1","1") = "6"
    & skf21("6","7","5","6","5","1","2","1") = "6"
    & skf21("6","7","5","6","5","1","3","1") = "6"
    & skf21("6","7","5","6","5","1","4","1") = "6"
    & skf21("6","7","5","6","5","1","5","1") = "6"
    & skf21("6","7","5","6","5","1","6","1") = "6"
    & skf21("6","7","5","6","5","1","7","1") = "6"
    & skf21("6","7","5","6","5","2","1","1") = "6"
    & skf21("6","7","5","6","5","2","2","1") = "6"
    & skf21("6","7","5","6","5","2","3","1") = "6"
    & skf21("6","7","5","6","5","2","4","1") = "6"
    & skf21("6","7","5","6","5","2","5","1") = "6"
    & skf21("6","7","5","6","5","2","6","1") = "6"
    & skf21("6","7","5","6","5","2","7","1") = "6"
    & skf21("6","7","5","6","5","3","1","1") = "6"
    & skf21("6","7","5","6","5","3","2","1") = "6"
    & skf21("6","7","5","6","5","3","3","1") = "6"
    & skf21("6","7","5","6","5","3","4","1") = "6"
    & skf21("6","7","5","6","5","3","5","1") = "6"
    & skf21("6","7","5","6","5","3","6","1") = "6"
    & skf21("6","7","5","6","5","3","7","1") = "6"
    & skf21("6","7","5","6","5","4","1","1") = "6"
    & skf21("6","7","5","6","5","4","2","1") = "6"
    & skf21("6","7","5","6","5","4","3","1") = "6"
    & skf21("6","7","5","6","5","4","4","1") = "6"
    & skf21("6","7","5","6","5","4","5","1") = "6"
    & skf21("6","7","5","6","5","4","6","1") = "6"
    & skf21("6","7","5","6","5","4","7","1") = "6"
    & skf21("6","7","5","6","5","5","1","1") = "6"
    & skf21("6","7","5","6","5","5","2","1") = "6"
    & skf21("6","7","5","6","5","5","3","1") = "6"
    & skf21("6","7","5","6","5","5","4","1") = "6"
    & skf21("6","7","5","6","5","5","5","1") = "6"
    & skf21("6","7","5","6","5","5","6","1") = "6"
    & skf21("6","7","5","6","5","5","7","1") = "6"
    & skf21("6","7","5","6","5","6","1","1") = "6"
    & skf21("6","7","5","6","5","6","2","1") = "6"
    & skf21("6","7","5","6","5","6","3","1") = "6"
    & skf21("6","7","5","6","5","6","4","1") = "6"
    & skf21("6","7","5","6","5","6","5","1") = "6"
    & skf21("6","7","5","6","5","6","6","1") = "6"
    & skf21("6","7","5","6","5","6","7","1") = "6"
    & skf21("6","7","5","6","5","7","1","1") = "6"
    & skf21("6","7","5","6","5","7","2","1") = "6"
    & skf21("6","7","5","6","5","7","3","1") = "6"
    & skf21("6","7","5","6","5","7","4","1") = "6"
    & skf21("6","7","5","6","5","7","5","1") = "6"
    & skf21("6","7","5","6","5","7","6","1") = "6"
    & skf21("6","7","5","6","5","7","7","1") = "6"
    & skf21("6","7","5","6","6","1","1","1") = "6"
    & skf21("6","7","5","6","6","1","2","1") = "6"
    & skf21("6","7","5","6","6","1","3","1") = "6"
    & skf21("6","7","5","6","6","1","4","1") = "6"
    & skf21("6","7","5","6","6","1","5","1") = "6"
    & skf21("6","7","5","6","6","1","6","1") = "6"
    & skf21("6","7","5","6","6","1","7","1") = "6"
    & skf21("6","7","5","6","6","2","1","1") = "6"
    & skf21("6","7","5","6","6","2","2","1") = "6"
    & skf21("6","7","5","6","6","2","3","1") = "6"
    & skf21("6","7","5","6","6","2","4","1") = "6"
    & skf21("6","7","5","6","6","2","5","1") = "6"
    & skf21("6","7","5","6","6","2","6","1") = "6"
    & skf21("6","7","5","6","6","2","7","1") = "6"
    & skf21("6","7","5","6","6","3","1","1") = "6"
    & skf21("6","7","5","6","6","3","2","1") = "6"
    & skf21("6","7","5","6","6","3","3","1") = "6"
    & skf21("6","7","5","6","6","3","4","1") = "6"
    & skf21("6","7","5","6","6","3","5","1") = "6"
    & skf21("6","7","5","6","6","3","6","1") = "6"
    & skf21("6","7","5","6","6","3","7","1") = "6"
    & skf21("6","7","5","6","6","4","1","1") = "6"
    & skf21("6","7","5","6","6","4","2","1") = "6"
    & skf21("6","7","5","6","6","4","3","1") = "6"
    & skf21("6","7","5","6","6","4","4","1") = "6"
    & skf21("6","7","5","6","6","4","5","1") = "6"
    & skf21("6","7","5","6","6","4","6","1") = "6"
    & skf21("6","7","5","6","6","4","7","1") = "6"
    & skf21("6","7","5","6","6","5","1","1") = "6"
    & skf21("6","7","5","6","6","5","2","1") = "6"
    & skf21("6","7","5","6","6","5","3","1") = "6"
    & skf21("6","7","5","6","6","5","4","1") = "6"
    & skf21("6","7","5","6","6","5","5","1") = "6"
    & skf21("6","7","5","6","6","5","6","1") = "6"
    & skf21("6","7","5","6","6","5","7","1") = "6"
    & skf21("6","7","5","6","6","6","1","1") = "6"
    & skf21("6","7","5","6","6","6","2","1") = "6"
    & skf21("6","7","5","6","6","6","3","1") = "6"
    & skf21("6","7","5","6","6","6","4","1") = "6"
    & skf21("6","7","5","6","6","6","5","1") = "6"
    & skf21("6","7","5","6","6","6","6","1") = "6"
    & skf21("6","7","5","6","6","6","7","1") = "6"
    & skf21("6","7","5","6","6","7","1","1") = "6"
    & skf21("6","7","5","6","6","7","2","1") = "6"
    & skf21("6","7","5","6","6","7","3","1") = "6"
    & skf21("6","7","5","6","6","7","4","1") = "6"
    & skf21("6","7","5","6","6","7","5","1") = "6"
    & skf21("6","7","5","6","6","7","6","1") = "6"
    & skf21("6","7","5","6","6","7","7","1") = "6"
    & skf21("6","7","5","6","7","1","1","1") = "6"
    & skf21("6","7","5","6","7","1","2","1") = "6"
    & skf21("6","7","5","6","7","1","3","1") = "6"
    & skf21("6","7","5","6","7","1","4","1") = "6"
    & skf21("6","7","5","6","7","1","5","1") = "6"
    & skf21("6","7","5","6","7","1","6","1") = "6"
    & skf21("6","7","5","6","7","1","7","1") = "6"
    & skf21("6","7","5","6","7","2","1","1") = "6"
    & skf21("6","7","5","6","7","2","2","1") = "6"
    & skf21("6","7","5","6","7","2","3","1") = "6"
    & skf21("6","7","5","6","7","2","4","1") = "6"
    & skf21("6","7","5","6","7","2","5","1") = "6"
    & skf21("6","7","5","6","7","2","6","1") = "6"
    & skf21("6","7","5","6","7","2","7","1") = "6"
    & skf21("6","7","5","6","7","3","1","1") = "6"
    & skf21("6","7","5","6","7","3","2","1") = "6"
    & skf21("6","7","5","6","7","3","3","1") = "6"
    & skf21("6","7","5","6","7","3","4","1") = "6"
    & skf21("6","7","5","6","7","3","5","1") = "6"
    & skf21("6","7","5","6","7","3","6","1") = "6"
    & skf21("6","7","5","6","7","3","7","1") = "6"
    & skf21("6","7","5","6","7","4","1","1") = "6"
    & skf21("6","7","5","6","7","4","2","1") = "6"
    & skf21("6","7","5","6","7","4","3","1") = "6"
    & skf21("6","7","5","6","7","4","4","1") = "6"
    & skf21("6","7","5","6","7","4","5","1") = "6"
    & skf21("6","7","5","6","7","4","6","1") = "6"
    & skf21("6","7","5","6","7","4","7","1") = "6"
    & skf21("6","7","5","6","7","5","1","1") = "6"
    & skf21("6","7","5","6","7","5","2","1") = "6"
    & skf21("6","7","5","6","7","5","3","1") = "6"
    & skf21("6","7","5","6","7","5","4","1") = "6"
    & skf21("6","7","5","6","7","5","5","1") = "6"
    & skf21("6","7","5","6","7","5","6","1") = "6"
    & skf21("6","7","5","6","7","5","7","1") = "6"
    & skf21("6","7","5","6","7","6","1","1") = "6"
    & skf21("6","7","5","6","7","6","2","1") = "6"
    & skf21("6","7","5","6","7","6","3","1") = "6"
    & skf21("6","7","5","6","7","6","4","1") = "6"
    & skf21("6","7","5","6","7","6","5","1") = "6"
    & skf21("6","7","5","6","7","6","6","1") = "6"
    & skf21("6","7","5","6","7","6","7","1") = "6"
    & skf21("6","7","5","6","7","7","1","1") = "6"
    & skf21("6","7","5","6","7","7","2","1") = "6"
    & skf21("6","7","5","6","7","7","3","1") = "6"
    & skf21("6","7","5","6","7","7","4","1") = "6"
    & skf21("6","7","5","6","7","7","5","1") = "6"
    & skf21("6","7","5","6","7","7","6","1") = "6"
    & skf21("6","7","5","6","7","7","7","1") = "6"
    & skf21("6","7","5","7","1","1","1","1") = "6"
    & skf21("6","7","5","7","1","1","2","1") = "6"
    & skf21("6","7","5","7","1","1","3","1") = "6"
    & skf21("6","7","5","7","1","1","4","1") = "6"
    & skf21("6","7","5","7","1","1","5","1") = "6"
    & skf21("6","7","5","7","1","1","6","1") = "6"
    & skf21("6","7","5","7","1","1","7","1") = "6"
    & skf21("6","7","5","7","1","2","1","1") = "6"
    & skf21("6","7","5","7","1","2","2","1") = "6"
    & skf21("6","7","5","7","1","2","3","1") = "6"
    & skf21("6","7","5","7","1","2","4","1") = "6"
    & skf21("6","7","5","7","1","2","5","1") = "6"
    & skf21("6","7","5","7","1","2","6","1") = "6"
    & skf21("6","7","5","7","1","2","7","1") = "6"
    & skf21("6","7","5","7","1","3","1","1") = "6"
    & skf21("6","7","5","7","1","3","2","1") = "6"
    & skf21("6","7","5","7","1","3","3","1") = "6"
    & skf21("6","7","5","7","1","3","4","1") = "6"
    & skf21("6","7","5","7","1","3","5","1") = "6"
    & skf21("6","7","5","7","1","3","6","1") = "6"
    & skf21("6","7","5","7","1","3","7","1") = "6"
    & skf21("6","7","5","7","1","4","1","1") = "6"
    & skf21("6","7","5","7","1","4","2","1") = "6"
    & skf21("6","7","5","7","1","4","3","1") = "6"
    & skf21("6","7","5","7","1","4","4","1") = "6"
    & skf21("6","7","5","7","1","4","5","1") = "6"
    & skf21("6","7","5","7","1","4","6","1") = "6"
    & skf21("6","7","5","7","1","4","7","1") = "6"
    & skf21("6","7","5","7","1","5","1","1") = "6"
    & skf21("6","7","5","7","1","5","2","1") = "6"
    & skf21("6","7","5","7","1","5","3","1") = "6"
    & skf21("6","7","5","7","1","5","4","1") = "6"
    & skf21("6","7","5","7","1","5","5","1") = "6"
    & skf21("6","7","5","7","1","5","6","1") = "6"
    & skf21("6","7","5","7","1","5","7","1") = "6"
    & skf21("6","7","5","7","1","6","1","1") = "6"
    & skf21("6","7","5","7","1","6","2","1") = "6"
    & skf21("6","7","5","7","1","6","3","1") = "6"
    & skf21("6","7","5","7","1","6","4","1") = "6"
    & skf21("6","7","5","7","1","6","5","1") = "6"
    & skf21("6","7","5","7","1","6","6","1") = "6"
    & skf21("6","7","5","7","1","6","7","1") = "6"
    & skf21("6","7","5","7","1","7","1","1") = "6"
    & skf21("6","7","5","7","1","7","2","1") = "6"
    & skf21("6","7","5","7","1","7","3","1") = "6"
    & skf21("6","7","5","7","1","7","4","1") = "6"
    & skf21("6","7","5","7","1","7","5","1") = "6"
    & skf21("6","7","5","7","1","7","6","1") = "6"
    & skf21("6","7","5","7","1","7","7","1") = "6"
    & skf21("6","7","5","7","2","1","1","1") = "6"
    & skf21("6","7","5","7","2","1","2","1") = "6"
    & skf21("6","7","5","7","2","1","3","1") = "6"
    & skf21("6","7","5","7","2","1","4","1") = "6"
    & skf21("6","7","5","7","2","1","5","1") = "6"
    & skf21("6","7","5","7","2","1","6","1") = "6"
    & skf21("6","7","5","7","2","1","7","1") = "6"
    & skf21("6","7","5","7","2","2","1","1") = "6"
    & skf21("6","7","5","7","2","2","2","1") = "6"
    & skf21("6","7","5","7","2","2","3","1") = "6"
    & skf21("6","7","5","7","2","2","4","1") = "6"
    & skf21("6","7","5","7","2","2","5","1") = "6"
    & skf21("6","7","5","7","2","2","6","1") = "6"
    & skf21("6","7","5","7","2","2","7","1") = "6"
    & skf21("6","7","5","7","2","3","1","1") = "6"
    & skf21("6","7","5","7","2","3","2","1") = "6"
    & skf21("6","7","5","7","2","3","3","1") = "6"
    & skf21("6","7","5","7","2","3","4","1") = "6"
    & skf21("6","7","5","7","2","3","5","1") = "6"
    & skf21("6","7","5","7","2","3","6","1") = "6"
    & skf21("6","7","5","7","2","3","7","1") = "6"
    & skf21("6","7","5","7","2","4","1","1") = "6"
    & skf21("6","7","5","7","2","4","2","1") = "6"
    & skf21("6","7","5","7","2","4","3","1") = "6"
    & skf21("6","7","5","7","2","4","4","1") = "6"
    & skf21("6","7","5","7","2","4","5","1") = "6"
    & skf21("6","7","5","7","2","4","6","1") = "6"
    & skf21("6","7","5","7","2","4","7","1") = "6"
    & skf21("6","7","5","7","2","5","1","1") = "6"
    & skf21("6","7","5","7","2","5","2","1") = "6"
    & skf21("6","7","5","7","2","5","3","1") = "6"
    & skf21("6","7","5","7","2","5","4","1") = "6"
    & skf21("6","7","5","7","2","5","5","1") = "6"
    & skf21("6","7","5","7","2","5","6","1") = "6"
    & skf21("6","7","5","7","2","5","7","1") = "6"
    & skf21("6","7","5","7","2","6","1","1") = "6"
    & skf21("6","7","5","7","2","6","2","1") = "6"
    & skf21("6","7","5","7","2","6","3","1") = "6"
    & skf21("6","7","5","7","2","6","4","1") = "6"
    & skf21("6","7","5","7","2","6","5","1") = "6"
    & skf21("6","7","5","7","2","6","6","1") = "6"
    & skf21("6","7","5","7","2","6","7","1") = "6"
    & skf21("6","7","5","7","2","7","1","1") = "6"
    & skf21("6","7","5","7","2","7","2","1") = "6"
    & skf21("6","7","5","7","2","7","3","1") = "6"
    & skf21("6","7","5","7","2","7","4","1") = "6"
    & skf21("6","7","5","7","2","7","5","1") = "6"
    & skf21("6","7","5","7","2","7","6","1") = "6"
    & skf21("6","7","5","7","2","7","7","1") = "6"
    & skf21("6","7","5","7","3","1","1","1") = "6"
    & skf21("6","7","5","7","3","1","2","1") = "6"
    & skf21("6","7","5","7","3","1","3","1") = "6"
    & skf21("6","7","5","7","3","1","4","1") = "6"
    & skf21("6","7","5","7","3","1","5","1") = "6"
    & skf21("6","7","5","7","3","1","6","1") = "6"
    & skf21("6","7","5","7","3","1","7","1") = "6"
    & skf21("6","7","5","7","3","2","1","1") = "6"
    & skf21("6","7","5","7","3","2","2","1") = "6"
    & skf21("6","7","5","7","3","2","3","1") = "6"
    & skf21("6","7","5","7","3","2","4","1") = "6"
    & skf21("6","7","5","7","3","2","5","1") = "6"
    & skf21("6","7","5","7","3","2","6","1") = "6"
    & skf21("6","7","5","7","3","2","7","1") = "6"
    & skf21("6","7","5","7","3","3","1","1") = "6"
    & skf21("6","7","5","7","3","3","2","1") = "6"
    & skf21("6","7","5","7","3","3","3","1") = "6"
    & skf21("6","7","5","7","3","3","4","1") = "6"
    & skf21("6","7","5","7","3","3","5","1") = "6"
    & skf21("6","7","5","7","3","3","6","1") = "6"
    & skf21("6","7","5","7","3","3","7","1") = "6"
    & skf21("6","7","5","7","3","4","1","1") = "6"
    & skf21("6","7","5","7","3","4","2","1") = "6"
    & skf21("6","7","5","7","3","4","3","1") = "6"
    & skf21("6","7","5","7","3","4","4","1") = "6"
    & skf21("6","7","5","7","3","4","5","1") = "6"
    & skf21("6","7","5","7","3","4","6","1") = "6"
    & skf21("6","7","5","7","3","4","7","1") = "6"
    & skf21("6","7","5","7","3","5","1","1") = "6"
    & skf21("6","7","5","7","3","5","2","1") = "6"
    & skf21("6","7","5","7","3","5","3","1") = "6"
    & skf21("6","7","5","7","3","5","4","1") = "6"
    & skf21("6","7","5","7","3","5","5","1") = "6"
    & skf21("6","7","5","7","3","5","6","1") = "6"
    & skf21("6","7","5","7","3","5","7","1") = "6"
    & skf21("6","7","5","7","3","6","1","1") = "6"
    & skf21("6","7","5","7","3","6","2","1") = "6"
    & skf21("6","7","5","7","3","6","3","1") = "6"
    & skf21("6","7","5","7","3","6","4","1") = "6"
    & skf21("6","7","5","7","3","6","5","1") = "6"
    & skf21("6","7","5","7","3","6","6","1") = "6"
    & skf21("6","7","5","7","3","6","7","1") = "6"
    & skf21("6","7","5","7","3","7","1","1") = "6"
    & skf21("6","7","5","7","3","7","2","1") = "6"
    & skf21("6","7","5","7","3","7","3","1") = "6"
    & skf21("6","7","5","7","3","7","4","1") = "6"
    & skf21("6","7","5","7","3","7","5","1") = "6"
    & skf21("6","7","5","7","3","7","6","1") = "6"
    & skf21("6","7","5","7","3","7","7","1") = "6"
    & skf21("6","7","5","7","4","1","1","1") = "6"
    & skf21("6","7","5","7","4","1","2","1") = "6"
    & skf21("6","7","5","7","4","1","3","1") = "6"
    & skf21("6","7","5","7","4","1","4","1") = "6"
    & skf21("6","7","5","7","4","1","5","1") = "6"
    & skf21("6","7","5","7","4","1","6","1") = "6"
    & skf21("6","7","5","7","4","1","7","1") = "6"
    & skf21("6","7","5","7","4","2","1","1") = "6"
    & skf21("6","7","5","7","4","2","2","1") = "6"
    & skf21("6","7","5","7","4","2","3","1") = "6"
    & skf21("6","7","5","7","4","2","4","1") = "6"
    & skf21("6","7","5","7","4","2","5","1") = "6"
    & skf21("6","7","5","7","4","2","6","1") = "6"
    & skf21("6","7","5","7","4","2","7","1") = "6"
    & skf21("6","7","5","7","4","3","1","1") = "6"
    & skf21("6","7","5","7","4","3","2","1") = "6"
    & skf21("6","7","5","7","4","3","3","1") = "6"
    & skf21("6","7","5","7","4","3","4","1") = "6"
    & skf21("6","7","5","7","4","3","5","1") = "6"
    & skf21("6","7","5","7","4","3","6","1") = "6"
    & skf21("6","7","5","7","4","3","7","1") = "6"
    & skf21("6","7","5","7","4","4","1","1") = "6"
    & skf21("6","7","5","7","4","4","2","1") = "6"
    & skf21("6","7","5","7","4","4","3","1") = "6"
    & skf21("6","7","5","7","4","4","4","1") = "6"
    & skf21("6","7","5","7","4","4","5","1") = "6"
    & skf21("6","7","5","7","4","4","6","1") = "6"
    & skf21("6","7","5","7","4","4","7","1") = "6"
    & skf21("6","7","5","7","4","5","1","1") = "6"
    & skf21("6","7","5","7","4","5","2","1") = "6"
    & skf21("6","7","5","7","4","5","3","1") = "6"
    & skf21("6","7","5","7","4","5","4","1") = "6"
    & skf21("6","7","5","7","4","5","5","1") = "6"
    & skf21("6","7","5","7","4","5","6","1") = "6"
    & skf21("6","7","5","7","4","5","7","1") = "6"
    & skf21("6","7","5","7","4","6","1","1") = "6"
    & skf21("6","7","5","7","4","6","2","1") = "6"
    & skf21("6","7","5","7","4","6","3","1") = "6"
    & skf21("6","7","5","7","4","6","4","1") = "6"
    & skf21("6","7","5","7","4","6","5","1") = "6"
    & skf21("6","7","5","7","4","6","6","1") = "6"
    & skf21("6","7","5","7","4","6","7","1") = "6"
    & skf21("6","7","5","7","4","7","1","1") = "6"
    & skf21("6","7","5","7","4","7","2","1") = "6"
    & skf21("6","7","5","7","4","7","3","1") = "6"
    & skf21("6","7","5","7","4","7","4","1") = "6"
    & skf21("6","7","5","7","4","7","5","1") = "6"
    & skf21("6","7","5","7","4","7","6","1") = "6"
    & skf21("6","7","5","7","4","7","7","1") = "6"
    & skf21("6","7","5","7","5","1","1","1") = "6"
    & skf21("6","7","5","7","5","1","2","1") = "6"
    & skf21("6","7","5","7","5","1","3","1") = "6"
    & skf21("6","7","5","7","5","1","4","1") = "6"
    & skf21("6","7","5","7","5","1","5","1") = "6"
    & skf21("6","7","5","7","5","1","6","1") = "6"
    & skf21("6","7","5","7","5","1","7","1") = "6"
    & skf21("6","7","5","7","5","2","1","1") = "6"
    & skf21("6","7","5","7","5","2","2","1") = "6"
    & skf21("6","7","5","7","5","2","3","1") = "6"
    & skf21("6","7","5","7","5","2","4","1") = "6"
    & skf21("6","7","5","7","5","2","5","1") = "6"
    & skf21("6","7","5","7","5","2","6","1") = "6"
    & skf21("6","7","5","7","5","2","7","1") = "6"
    & skf21("6","7","5","7","5","3","1","1") = "6"
    & skf21("6","7","5","7","5","3","2","1") = "6"
    & skf21("6","7","5","7","5","3","3","1") = "6"
    & skf21("6","7","5","7","5","3","4","1") = "6"
    & skf21("6","7","5","7","5","3","5","1") = "6"
    & skf21("6","7","5","7","5","3","6","1") = "6"
    & skf21("6","7","5","7","5","3","7","1") = "6"
    & skf21("6","7","5","7","5","4","1","1") = "6"
    & skf21("6","7","5","7","5","4","2","1") = "6"
    & skf21("6","7","5","7","5","4","3","1") = "6"
    & skf21("6","7","5","7","5","4","4","1") = "6"
    & skf21("6","7","5","7","5","4","5","1") = "6"
    & skf21("6","7","5","7","5","4","6","1") = "6"
    & skf21("6","7","5","7","5","4","7","1") = "6"
    & skf21("6","7","5","7","5","5","1","1") = "6"
    & skf21("6","7","5","7","5","5","2","1") = "6"
    & skf21("6","7","5","7","5","5","3","1") = "6"
    & skf21("6","7","5","7","5","5","4","1") = "6"
    & skf21("6","7","5","7","5","5","5","1") = "6"
    & skf21("6","7","5","7","5","5","6","1") = "6"
    & skf21("6","7","5","7","5","5","7","1") = "6"
    & skf21("6","7","5","7","5","6","1","1") = "6"
    & skf21("6","7","5","7","5","6","2","1") = "6"
    & skf21("6","7","5","7","5","6","3","1") = "6"
    & skf21("6","7","5","7","5","6","4","1") = "6"
    & skf21("6","7","5","7","5","6","5","1") = "6"
    & skf21("6","7","5","7","5","6","6","1") = "6"
    & skf21("6","7","5","7","5","6","7","1") = "6"
    & skf21("6","7","5","7","5","7","1","1") = "6"
    & skf21("6","7","5","7","5","7","2","1") = "6"
    & skf21("6","7","5","7","5","7","3","1") = "6"
    & skf21("6","7","5","7","5","7","4","1") = "6"
    & skf21("6","7","5","7","5","7","5","1") = "6"
    & skf21("6","7","5","7","5","7","6","1") = "6"
    & skf21("6","7","5","7","5","7","7","1") = "6"
    & skf21("6","7","5","7","6","1","1","1") = "6"
    & skf21("6","7","5","7","6","1","2","1") = "6"
    & skf21("6","7","5","7","6","1","3","1") = "6"
    & skf21("6","7","5","7","6","1","4","1") = "6"
    & skf21("6","7","5","7","6","1","5","1") = "6"
    & skf21("6","7","5","7","6","1","6","1") = "6"
    & skf21("6","7","5","7","6","1","7","1") = "6"
    & skf21("6","7","5","7","6","2","1","1") = "6"
    & skf21("6","7","5","7","6","2","2","1") = "6"
    & skf21("6","7","5","7","6","2","3","1") = "6"
    & skf21("6","7","5","7","6","2","4","1") = "6"
    & skf21("6","7","5","7","6","2","5","1") = "6"
    & skf21("6","7","5","7","6","2","6","1") = "6"
    & skf21("6","7","5","7","6","2","7","1") = "6"
    & skf21("6","7","5","7","6","3","1","1") = "6"
    & skf21("6","7","5","7","6","3","2","1") = "6"
    & skf21("6","7","5","7","6","3","3","1") = "6"
    & skf21("6","7","5","7","6","3","4","1") = "6"
    & skf21("6","7","5","7","6","3","5","1") = "6"
    & skf21("6","7","5","7","6","3","6","1") = "6"
    & skf21("6","7","5","7","6","3","7","1") = "6"
    & skf21("6","7","5","7","6","4","1","1") = "6"
    & skf21("6","7","5","7","6","4","2","1") = "6"
    & skf21("6","7","5","7","6","4","3","1") = "6"
    & skf21("6","7","5","7","6","4","4","1") = "6"
    & skf21("6","7","5","7","6","4","5","1") = "6"
    & skf21("6","7","5","7","6","4","6","1") = "6"
    & skf21("6","7","5","7","6","4","7","1") = "6"
    & skf21("6","7","5","7","6","5","1","1") = "6"
    & skf21("6","7","5","7","6","5","2","1") = "6"
    & skf21("6","7","5","7","6","5","3","1") = "6"
    & skf21("6","7","5","7","6","5","4","1") = "6"
    & skf21("6","7","5","7","6","5","5","1") = "6"
    & skf21("6","7","5","7","6","5","6","1") = "6"
    & skf21("6","7","5","7","6","5","7","1") = "6"
    & skf21("6","7","5","7","6","6","1","1") = "6"
    & skf21("6","7","5","7","6","6","2","1") = "6"
    & skf21("6","7","5","7","6","6","3","1") = "6"
    & skf21("6","7","5","7","6","6","4","1") = "6"
    & skf21("6","7","5","7","6","6","5","1") = "6"
    & skf21("6","7","5","7","6","6","6","1") = "6"
    & skf21("6","7","5","7","6","6","7","1") = "6"
    & skf21("6","7","5","7","6","7","1","1") = "6"
    & skf21("6","7","5","7","6","7","2","1") = "6"
    & skf21("6","7","5","7","6","7","3","1") = "6"
    & skf21("6","7","5","7","6","7","4","1") = "6"
    & skf21("6","7","5","7","6","7","5","1") = "6"
    & skf21("6","7","5","7","6","7","6","1") = "6"
    & skf21("6","7","5","7","6","7","7","1") = "6"
    & skf21("6","7","5","7","7","1","1","1") = "6"
    & skf21("6","7","5","7","7","1","2","1") = "6"
    & skf21("6","7","5","7","7","1","3","1") = "6"
    & skf21("6","7","5","7","7","1","4","1") = "6"
    & skf21("6","7","5","7","7","1","5","1") = "6"
    & skf21("6","7","5","7","7","1","6","1") = "6"
    & skf21("6","7","5","7","7","1","7","1") = "6"
    & skf21("6","7","5","7","7","2","1","1") = "6"
    & skf21("6","7","5","7","7","2","2","1") = "6"
    & skf21("6","7","5","7","7","2","3","1") = "6"
    & skf21("6","7","5","7","7","2","4","1") = "6"
    & skf21("6","7","5","7","7","2","5","1") = "6"
    & skf21("6","7","5","7","7","2","6","1") = "6"
    & skf21("6","7","5","7","7","2","7","1") = "6"
    & skf21("6","7","5","7","7","3","1","1") = "6"
    & skf21("6","7","5","7","7","3","2","1") = "6"
    & skf21("6","7","5","7","7","3","3","1") = "6"
    & skf21("6","7","5","7","7","3","4","1") = "6"
    & skf21("6","7","5","7","7","3","5","1") = "6"
    & skf21("6","7","5","7","7","3","6","1") = "6"
    & skf21("6","7","5","7","7","3","7","1") = "6"
    & skf21("6","7","5","7","7","4","1","1") = "6"
    & skf21("6","7","5","7","7","4","2","1") = "6"
    & skf21("6","7","5","7","7","4","3","1") = "6"
    & skf21("6","7","5","7","7","4","4","1") = "6"
    & skf21("6","7","5","7","7","4","5","1") = "6"
    & skf21("6","7","5","7","7","4","6","1") = "6"
    & skf21("6","7","5","7","7","4","7","1") = "6"
    & skf21("6","7","5","7","7","5","1","1") = "6"
    & skf21("6","7","5","7","7","5","2","1") = "6"
    & skf21("6","7","5","7","7","5","3","1") = "6"
    & skf21("6","7","5","7","7","5","4","1") = "6"
    & skf21("6","7","5","7","7","5","5","1") = "6"
    & skf21("6","7","5","7","7","5","6","1") = "6"
    & skf21("6","7","5","7","7","5","7","1") = "6"
    & skf21("6","7","5","7","7","6","1","1") = "6"
    & skf21("6","7","5","7","7","6","2","1") = "6"
    & skf21("6","7","5","7","7","6","3","1") = "6"
    & skf21("6","7","5","7","7","6","4","1") = "6"
    & skf21("6","7","5","7","7","6","5","1") = "6"
    & skf21("6","7","5","7","7","6","6","1") = "6"
    & skf21("6","7","5","7","7","6","7","1") = "6"
    & skf21("6","7","5","7","7","7","1","1") = "6"
    & skf21("6","7","5","7","7","7","2","1") = "6"
    & skf21("6","7","5","7","7","7","3","1") = "6"
    & skf21("6","7","5","7","7","7","4","1") = "6"
    & skf21("6","7","5","7","7","7","5","1") = "6"
    & skf21("6","7","5","7","7","7","6","1") = "6"
    & skf21("6","7","5","7","7","7","7","1") = "6"
    & skf21("6","7","6","1","1","1","1","1") = "6"
    & skf21("6","7","6","1","1","1","2","1") = "6"
    & skf21("6","7","6","1","1","1","3","1") = "6"
    & skf21("6","7","6","1","1","1","4","1") = "6"
    & skf21("6","7","6","1","1","1","5","1") = "6"
    & skf21("6","7","6","1","1","1","6","1") = "6"
    & skf21("6","7","6","1","1","1","7","1") = "6"
    & skf21("6","7","6","1","1","2","1","1") = "6"
    & skf21("6","7","6","1","1","2","2","1") = "6"
    & skf21("6","7","6","1","1","2","3","1") = "6"
    & skf21("6","7","6","1","1","2","4","1") = "6"
    & skf21("6","7","6","1","1","2","5","1") = "6"
    & skf21("6","7","6","1","1","2","6","1") = "6"
    & skf21("6","7","6","1","1","2","7","1") = "6"
    & skf21("6","7","6","1","1","3","1","1") = "6"
    & skf21("6","7","6","1","1","3","2","1") = "6"
    & skf21("6","7","6","1","1","3","3","1") = "6"
    & skf21("6","7","6","1","1","3","4","1") = "6"
    & skf21("6","7","6","1","1","3","5","1") = "6"
    & skf21("6","7","6","1","1","3","6","1") = "6"
    & skf21("6","7","6","1","1","3","7","1") = "6"
    & skf21("6","7","6","1","1","4","1","1") = "6"
    & skf21("6","7","6","1","1","4","2","1") = "6"
    & skf21("6","7","6","1","1","4","3","1") = "6"
    & skf21("6","7","6","1","1","4","4","1") = "6"
    & skf21("6","7","6","1","1","4","5","1") = "6"
    & skf21("6","7","6","1","1","4","6","1") = "6"
    & skf21("6","7","6","1","1","4","7","1") = "6"
    & skf21("6","7","6","1","1","5","1","1") = "6"
    & skf21("6","7","6","1","1","5","2","1") = "6"
    & skf21("6","7","6","1","1","5","3","1") = "6"
    & skf21("6","7","6","1","1","5","4","1") = "6"
    & skf21("6","7","6","1","1","5","5","1") = "6"
    & skf21("6","7","6","1","1","5","6","1") = "6"
    & skf21("6","7","6","1","1","5","7","1") = "6"
    & skf21("6","7","6","1","1","6","1","1") = "6"
    & skf21("6","7","6","1","1","6","2","1") = "6"
    & skf21("6","7","6","1","1","6","3","1") = "6"
    & skf21("6","7","6","1","1","6","4","1") = "6"
    & skf21("6","7","6","1","1","6","5","1") = "6"
    & skf21("6","7","6","1","1","6","6","1") = "6"
    & skf21("6","7","6","1","1","6","7","1") = "6"
    & skf21("6","7","6","1","1","7","1","1") = "6"
    & skf21("6","7","6","1","1","7","2","1") = "6"
    & skf21("6","7","6","1","1","7","3","1") = "6"
    & skf21("6","7","6","1","1","7","4","1") = "6"
    & skf21("6","7","6","1","1","7","5","1") = "6"
    & skf21("6","7","6","1","1","7","6","1") = "6"
    & skf21("6","7","6","1","1","7","7","1") = "6"
    & skf21("6","7","6","1","2","1","1","1") = "6"
    & skf21("6","7","6","1","2","1","2","1") = "6"
    & skf21("6","7","6","1","2","1","3","1") = "6"
    & skf21("6","7","6","1","2","1","4","1") = "6"
    & skf21("6","7","6","1","2","1","5","1") = "6"
    & skf21("6","7","6","1","2","1","6","1") = "6"
    & skf21("6","7","6","1","2","1","7","1") = "6"
    & skf21("6","7","6","1","2","2","1","1") = "6"
    & skf21("6","7","6","1","2","2","2","1") = "6"
    & skf21("6","7","6","1","2","2","3","1") = "6"
    & skf21("6","7","6","1","2","2","4","1") = "6"
    & skf21("6","7","6","1","2","2","5","1") = "6"
    & skf21("6","7","6","1","2","2","6","1") = "6"
    & skf21("6","7","6","1","2","2","7","1") = "6"
    & skf21("6","7","6","1","2","3","1","1") = "6"
    & skf21("6","7","6","1","2","3","2","1") = "6"
    & skf21("6","7","6","1","2","3","3","1") = "6"
    & skf21("6","7","6","1","2","3","4","1") = "6"
    & skf21("6","7","6","1","2","3","5","1") = "6"
    & skf21("6","7","6","1","2","3","6","1") = "6"
    & skf21("6","7","6","1","2","3","7","1") = "6"
    & skf21("6","7","6","1","2","4","1","1") = "6"
    & skf21("6","7","6","1","2","4","2","1") = "6"
    & skf21("6","7","6","1","2","4","3","1") = "6"
    & skf21("6","7","6","1","2","4","4","1") = "6"
    & skf21("6","7","6","1","2","4","5","1") = "6"
    & skf21("6","7","6","1","2","4","6","1") = "6"
    & skf21("6","7","6","1","2","4","7","1") = "6"
    & skf21("6","7","6","1","2","5","1","1") = "6"
    & skf21("6","7","6","1","2","5","2","1") = "6"
    & skf21("6","7","6","1","2","5","3","1") = "6"
    & skf21("6","7","6","1","2","5","4","1") = "6"
    & skf21("6","7","6","1","2","5","5","1") = "6"
    & skf21("6","7","6","1","2","5","6","1") = "6"
    & skf21("6","7","6","1","2","5","7","1") = "6"
    & skf21("6","7","6","1","2","6","1","1") = "6"
    & skf21("6","7","6","1","2","6","2","1") = "6"
    & skf21("6","7","6","1","2","6","3","1") = "6"
    & skf21("6","7","6","1","2","6","4","1") = "6"
    & skf21("6","7","6","1","2","6","5","1") = "6"
    & skf21("6","7","6","1","2","6","6","1") = "6"
    & skf21("6","7","6","1","2","6","7","1") = "6"
    & skf21("6","7","6","1","2","7","1","1") = "6"
    & skf21("6","7","6","1","2","7","2","1") = "6"
    & skf21("6","7","6","1","2","7","3","1") = "6"
    & skf21("6","7","6","1","2","7","4","1") = "6"
    & skf21("6","7","6","1","2","7","5","1") = "6"
    & skf21("6","7","6","1","2","7","6","1") = "6"
    & skf21("6","7","6","1","2","7","7","1") = "6"
    & skf21("6","7","6","1","3","1","1","1") = "6"
    & skf21("6","7","6","1","3","1","2","1") = "6"
    & skf21("6","7","6","1","3","1","3","1") = "6"
    & skf21("6","7","6","1","3","1","4","1") = "6"
    & skf21("6","7","6","1","3","1","5","1") = "6"
    & skf21("6","7","6","1","3","1","6","1") = "6"
    & skf21("6","7","6","1","3","1","7","1") = "6"
    & skf21("6","7","6","1","3","2","1","1") = "6"
    & skf21("6","7","6","1","3","2","2","1") = "6"
    & skf21("6","7","6","1","3","2","3","1") = "6"
    & skf21("6","7","6","1","3","2","4","1") = "6"
    & skf21("6","7","6","1","3","2","5","1") = "6"
    & skf21("6","7","6","1","3","2","6","1") = "6"
    & skf21("6","7","6","1","3","2","7","1") = "6"
    & skf21("6","7","6","1","3","3","1","1") = "6"
    & skf21("6","7","6","1","3","3","2","1") = "6"
    & skf21("6","7","6","1","3","3","3","1") = "6"
    & skf21("6","7","6","1","3","3","4","1") = "6"
    & skf21("6","7","6","1","3","3","5","1") = "6"
    & skf21("6","7","6","1","3","3","6","1") = "6"
    & skf21("6","7","6","1","3","3","7","1") = "6"
    & skf21("6","7","6","1","3","4","1","1") = "6"
    & skf21("6","7","6","1","3","4","2","1") = "6"
    & skf21("6","7","6","1","3","4","3","1") = "6"
    & skf21("6","7","6","1","3","4","4","1") = "6"
    & skf21("6","7","6","1","3","4","5","1") = "6"
    & skf21("6","7","6","1","3","4","6","1") = "6"
    & skf21("6","7","6","1","3","4","7","1") = "6"
    & skf21("6","7","6","1","3","5","1","1") = "6"
    & skf21("6","7","6","1","3","5","2","1") = "6"
    & skf21("6","7","6","1","3","5","3","1") = "6"
    & skf21("6","7","6","1","3","5","4","1") = "6"
    & skf21("6","7","6","1","3","5","5","1") = "6"
    & skf21("6","7","6","1","3","5","6","1") = "6"
    & skf21("6","7","6","1","3","5","7","1") = "6"
    & skf21("6","7","6","1","3","6","1","1") = "6"
    & skf21("6","7","6","1","3","6","2","1") = "6"
    & skf21("6","7","6","1","3","6","3","1") = "6"
    & skf21("6","7","6","1","3","6","4","1") = "6"
    & skf21("6","7","6","1","3","6","5","1") = "6"
    & skf21("6","7","6","1","3","6","6","1") = "6"
    & skf21("6","7","6","1","3","6","7","1") = "6"
    & skf21("6","7","6","1","3","7","1","1") = "6"
    & skf21("6","7","6","1","3","7","2","1") = "6"
    & skf21("6","7","6","1","3","7","3","1") = "6"
    & skf21("6","7","6","1","3","7","4","1") = "6"
    & skf21("6","7","6","1","3","7","5","1") = "6"
    & skf21("6","7","6","1","3","7","6","1") = "6"
    & skf21("6","7","6","1","3","7","7","1") = "6"
    & skf21("6","7","6","1","4","1","1","1") = "6"
    & skf21("6","7","6","1","4","1","2","1") = "6"
    & skf21("6","7","6","1","4","1","3","1") = "6"
    & skf21("6","7","6","1","4","1","4","1") = "6"
    & skf21("6","7","6","1","4","1","5","1") = "6"
    & skf21("6","7","6","1","4","1","6","1") = "6"
    & skf21("6","7","6","1","4","1","7","1") = "6"
    & skf21("6","7","6","1","4","2","1","1") = "6"
    & skf21("6","7","6","1","4","2","2","1") = "6"
    & skf21("6","7","6","1","4","2","3","1") = "6"
    & skf21("6","7","6","1","4","2","4","1") = "6"
    & skf21("6","7","6","1","4","2","5","1") = "6"
    & skf21("6","7","6","1","4","2","6","1") = "6"
    & skf21("6","7","6","1","4","2","7","1") = "6"
    & skf21("6","7","6","1","4","3","1","1") = "6"
    & skf21("6","7","6","1","4","3","2","1") = "6"
    & skf21("6","7","6","1","4","3","3","1") = "6"
    & skf21("6","7","6","1","4","3","4","1") = "6"
    & skf21("6","7","6","1","4","3","5","1") = "6"
    & skf21("6","7","6","1","4","3","6","1") = "6"
    & skf21("6","7","6","1","4","3","7","1") = "6"
    & skf21("6","7","6","1","4","4","1","1") = "6"
    & skf21("6","7","6","1","4","4","2","1") = "6"
    & skf21("6","7","6","1","4","4","3","1") = "6"
    & skf21("6","7","6","1","4","4","4","1") = "6"
    & skf21("6","7","6","1","4","4","5","1") = "6"
    & skf21("6","7","6","1","4","4","6","1") = "6"
    & skf21("6","7","6","1","4","4","7","1") = "6"
    & skf21("6","7","6","1","4","5","1","1") = "6"
    & skf21("6","7","6","1","4","5","2","1") = "6"
    & skf21("6","7","6","1","4","5","3","1") = "6"
    & skf21("6","7","6","1","4","5","4","1") = "6"
    & skf21("6","7","6","1","4","5","5","1") = "6"
    & skf21("6","7","6","1","4","5","6","1") = "6"
    & skf21("6","7","6","1","4","5","7","1") = "6"
    & skf21("6","7","6","1","4","6","1","1") = "6"
    & skf21("6","7","6","1","4","6","2","1") = "6"
    & skf21("6","7","6","1","4","6","3","1") = "6"
    & skf21("6","7","6","1","4","6","4","1") = "6"
    & skf21("6","7","6","1","4","6","5","1") = "6"
    & skf21("6","7","6","1","4","6","6","1") = "6"
    & skf21("6","7","6","1","4","6","7","1") = "6"
    & skf21("6","7","6","1","4","7","1","1") = "6"
    & skf21("6","7","6","1","4","7","2","1") = "6"
    & skf21("6","7","6","1","4","7","3","1") = "6"
    & skf21("6","7","6","1","4","7","4","1") = "6"
    & skf21("6","7","6","1","4","7","5","1") = "6"
    & skf21("6","7","6","1","4","7","6","1") = "6"
    & skf21("6","7","6","1","4","7","7","1") = "6"
    & skf21("6","7","6","1","5","1","1","1") = "6"
    & skf21("6","7","6","1","5","1","2","1") = "6"
    & skf21("6","7","6","1","5","1","3","1") = "6"
    & skf21("6","7","6","1","5","1","4","1") = "6"
    & skf21("6","7","6","1","5","1","5","1") = "6"
    & skf21("6","7","6","1","5","1","6","1") = "6"
    & skf21("6","7","6","1","5","1","7","1") = "6"
    & skf21("6","7","6","1","5","2","1","1") = "6"
    & skf21("6","7","6","1","5","2","2","1") = "6"
    & skf21("6","7","6","1","5","2","3","1") = "6"
    & skf21("6","7","6","1","5","2","4","1") = "6"
    & skf21("6","7","6","1","5","2","5","1") = "6"
    & skf21("6","7","6","1","5","2","6","1") = "6"
    & skf21("6","7","6","1","5","2","7","1") = "6"
    & skf21("6","7","6","1","5","3","1","1") = "6"
    & skf21("6","7","6","1","5","3","2","1") = "6"
    & skf21("6","7","6","1","5","3","3","1") = "6"
    & skf21("6","7","6","1","5","3","4","1") = "6"
    & skf21("6","7","6","1","5","3","5","1") = "6"
    & skf21("6","7","6","1","5","3","6","1") = "6"
    & skf21("6","7","6","1","5","3","7","1") = "6"
    & skf21("6","7","6","1","5","4","1","1") = "6"
    & skf21("6","7","6","1","5","4","2","1") = "6"
    & skf21("6","7","6","1","5","4","3","1") = "6"
    & skf21("6","7","6","1","5","4","4","1") = "6"
    & skf21("6","7","6","1","5","4","5","1") = "6"
    & skf21("6","7","6","1","5","4","6","1") = "6"
    & skf21("6","7","6","1","5","4","7","1") = "6"
    & skf21("6","7","6","1","5","5","1","1") = "6"
    & skf21("6","7","6","1","5","5","2","1") = "6"
    & skf21("6","7","6","1","5","5","3","1") = "6"
    & skf21("6","7","6","1","5","5","4","1") = "6"
    & skf21("6","7","6","1","5","5","5","1") = "6"
    & skf21("6","7","6","1","5","5","6","1") = "6"
    & skf21("6","7","6","1","5","5","7","1") = "6"
    & skf21("6","7","6","1","5","6","1","1") = "6"
    & skf21("6","7","6","1","5","6","2","1") = "6"
    & skf21("6","7","6","1","5","6","3","1") = "6"
    & skf21("6","7","6","1","5","6","4","1") = "6"
    & skf21("6","7","6","1","5","6","5","1") = "6"
    & skf21("6","7","6","1","5","6","6","1") = "6"
    & skf21("6","7","6","1","5","6","7","1") = "6"
    & skf21("6","7","6","1","5","7","1","1") = "6"
    & skf21("6","7","6","1","5","7","2","1") = "6"
    & skf21("6","7","6","1","5","7","3","1") = "6"
    & skf21("6","7","6","1","5","7","4","1") = "6"
    & skf21("6","7","6","1","5","7","5","1") = "6"
    & skf21("6","7","6","1","5","7","6","1") = "6"
    & skf21("6","7","6","1","5","7","7","1") = "6"
    & skf21("6","7","6","1","6","1","1","1") = "6"
    & skf21("6","7","6","1","6","1","2","1") = "6"
    & skf21("6","7","6","1","6","1","3","1") = "6"
    & skf21("6","7","6","1","6","1","4","1") = "6"
    & skf21("6","7","6","1","6","1","5","1") = "6"
    & skf21("6","7","6","1","6","1","6","1") = "6"
    & skf21("6","7","6","1","6","1","7","1") = "6"
    & skf21("6","7","6","1","6","2","1","1") = "6"
    & skf21("6","7","6","1","6","2","2","1") = "6"
    & skf21("6","7","6","1","6","2","3","1") = "6"
    & skf21("6","7","6","1","6","2","4","1") = "6"
    & skf21("6","7","6","1","6","2","5","1") = "6"
    & skf21("6","7","6","1","6","2","6","1") = "6"
    & skf21("6","7","6","1","6","2","7","1") = "6"
    & skf21("6","7","6","1","6","3","1","1") = "6"
    & skf21("6","7","6","1","6","3","2","1") = "6"
    & skf21("6","7","6","1","6","3","3","1") = "6"
    & skf21("6","7","6","1","6","3","4","1") = "6"
    & skf21("6","7","6","1","6","3","5","1") = "6"
    & skf21("6","7","6","1","6","3","6","1") = "6"
    & skf21("6","7","6","1","6","3","7","1") = "6"
    & skf21("6","7","6","1","6","4","1","1") = "6"
    & skf21("6","7","6","1","6","4","2","1") = "6"
    & skf21("6","7","6","1","6","4","3","1") = "6"
    & skf21("6","7","6","1","6","4","4","1") = "6"
    & skf21("6","7","6","1","6","4","5","1") = "6"
    & skf21("6","7","6","1","6","4","6","1") = "6"
    & skf21("6","7","6","1","6","4","7","1") = "6"
    & skf21("6","7","6","1","6","5","1","1") = "6"
    & skf21("6","7","6","1","6","5","2","1") = "6"
    & skf21("6","7","6","1","6","5","3","1") = "6"
    & skf21("6","7","6","1","6","5","4","1") = "6"
    & skf21("6","7","6","1","6","5","5","1") = "6"
    & skf21("6","7","6","1","6","5","6","1") = "6"
    & skf21("6","7","6","1","6","5","7","1") = "6"
    & skf21("6","7","6","1","6","6","1","1") = "6"
    & skf21("6","7","6","1","6","6","2","1") = "6"
    & skf21("6","7","6","1","6","6","3","1") = "6"
    & skf21("6","7","6","1","6","6","4","1") = "6"
    & skf21("6","7","6","1","6","6","5","1") = "6"
    & skf21("6","7","6","1","6","6","6","1") = "6"
    & skf21("6","7","6","1","6","6","7","1") = "6"
    & skf21("6","7","6","1","6","7","1","1") = "6"
    & skf21("6","7","6","1","6","7","2","1") = "6"
    & skf21("6","7","6","1","6","7","3","1") = "6"
    & skf21("6","7","6","1","6","7","4","1") = "6"
    & skf21("6","7","6","1","6","7","5","1") = "6"
    & skf21("6","7","6","1","6","7","6","1") = "6"
    & skf21("6","7","6","1","6","7","7","1") = "6"
    & skf21("6","7","6","1","7","1","1","1") = "6"
    & skf21("6","7","6","1","7","1","2","1") = "6"
    & skf21("6","7","6","1","7","1","3","1") = "6"
    & skf21("6","7","6","1","7","1","4","1") = "6"
    & skf21("6","7","6","1","7","1","5","1") = "6"
    & skf21("6","7","6","1","7","1","6","1") = "6"
    & skf21("6","7","6","1","7","1","7","1") = "6"
    & skf21("6","7","6","1","7","2","1","1") = "6"
    & skf21("6","7","6","1","7","2","2","1") = "6"
    & skf21("6","7","6","1","7","2","3","1") = "6"
    & skf21("6","7","6","1","7","2","4","1") = "6"
    & skf21("6","7","6","1","7","2","5","1") = "6"
    & skf21("6","7","6","1","7","2","6","1") = "6"
    & skf21("6","7","6","1","7","2","7","1") = "6"
    & skf21("6","7","6","1","7","3","1","1") = "6"
    & skf21("6","7","6","1","7","3","2","1") = "6"
    & skf21("6","7","6","1","7","3","3","1") = "6"
    & skf21("6","7","6","1","7","3","4","1") = "6"
    & skf21("6","7","6","1","7","3","5","1") = "6"
    & skf21("6","7","6","1","7","3","6","1") = "6"
    & skf21("6","7","6","1","7","3","7","1") = "6"
    & skf21("6","7","6","1","7","4","1","1") = "6"
    & skf21("6","7","6","1","7","4","2","1") = "6"
    & skf21("6","7","6","1","7","4","3","1") = "6"
    & skf21("6","7","6","1","7","4","4","1") = "6"
    & skf21("6","7","6","1","7","4","5","1") = "6"
    & skf21("6","7","6","1","7","4","6","1") = "6"
    & skf21("6","7","6","1","7","4","7","1") = "6"
    & skf21("6","7","6","1","7","5","1","1") = "6"
    & skf21("6","7","6","1","7","5","2","1") = "6"
    & skf21("6","7","6","1","7","5","3","1") = "6"
    & skf21("6","7","6","1","7","5","4","1") = "6"
    & skf21("6","7","6","1","7","5","5","1") = "6"
    & skf21("6","7","6","1","7","5","6","1") = "6"
    & skf21("6","7","6","1","7","5","7","1") = "6"
    & skf21("6","7","6","1","7","6","1","1") = "6"
    & skf21("6","7","6","1","7","6","2","1") = "6"
    & skf21("6","7","6","1","7","6","3","1") = "6"
    & skf21("6","7","6","1","7","6","4","1") = "6"
    & skf21("6","7","6","1","7","6","5","1") = "6"
    & skf21("6","7","6","1","7","6","6","1") = "6"
    & skf21("6","7","6","1","7","6","7","1") = "6"
    & skf21("6","7","6","1","7","7","1","1") = "6"
    & skf21("6","7","6","1","7","7","2","1") = "6"
    & skf21("6","7","6","1","7","7","3","1") = "6"
    & skf21("6","7","6","1","7","7","4","1") = "6"
    & skf21("6","7","6","1","7","7","5","1") = "6"
    & skf21("6","7","6","1","7","7","6","1") = "6"
    & skf21("6","7","6","1","7","7","7","1") = "6"
    & skf21("6","7","6","2","1","1","1","1") = "6"
    & skf21("6","7","6","2","1","1","2","1") = "6"
    & skf21("6","7","6","2","1","1","3","1") = "6"
    & skf21("6","7","6","2","1","1","4","1") = "6"
    & skf21("6","7","6","2","1","1","5","1") = "6"
    & skf21("6","7","6","2","1","1","6","1") = "6"
    & skf21("6","7","6","2","1","1","7","1") = "6"
    & skf21("6","7","6","2","1","2","1","1") = "6"
    & skf21("6","7","6","2","1","2","2","1") = "6"
    & skf21("6","7","6","2","1","2","3","1") = "6"
    & skf21("6","7","6","2","1","2","4","1") = "6"
    & skf21("6","7","6","2","1","2","5","1") = "6"
    & skf21("6","7","6","2","1","2","6","1") = "6"
    & skf21("6","7","6","2","1","2","7","1") = "6"
    & skf21("6","7","6","2","1","3","1","1") = "6"
    & skf21("6","7","6","2","1","3","2","1") = "6"
    & skf21("6","7","6","2","1","3","3","1") = "6"
    & skf21("6","7","6","2","1","3","4","1") = "6"
    & skf21("6","7","6","2","1","3","5","1") = "6"
    & skf21("6","7","6","2","1","3","6","1") = "6"
    & skf21("6","7","6","2","1","3","7","1") = "6"
    & skf21("6","7","6","2","1","4","1","1") = "6"
    & skf21("6","7","6","2","1","4","2","1") = "6"
    & skf21("6","7","6","2","1","4","3","1") = "6"
    & skf21("6","7","6","2","1","4","4","1") = "6"
    & skf21("6","7","6","2","1","4","5","1") = "6"
    & skf21("6","7","6","2","1","4","6","1") = "6"
    & skf21("6","7","6","2","1","4","7","1") = "6"
    & skf21("6","7","6","2","1","5","1","1") = "6"
    & skf21("6","7","6","2","1","5","2","1") = "6"
    & skf21("6","7","6","2","1","5","3","1") = "6"
    & skf21("6","7","6","2","1","5","4","1") = "6"
    & skf21("6","7","6","2","1","5","5","1") = "6"
    & skf21("6","7","6","2","1","5","6","1") = "6"
    & skf21("6","7","6","2","1","5","7","1") = "6"
    & skf21("6","7","6","2","1","6","1","1") = "6"
    & skf21("6","7","6","2","1","6","2","1") = "6"
    & skf21("6","7","6","2","1","6","3","1") = "6"
    & skf21("6","7","6","2","1","6","4","1") = "6"
    & skf21("6","7","6","2","1","6","5","1") = "6"
    & skf21("6","7","6","2","1","6","6","1") = "6"
    & skf21("6","7","6","2","1","6","7","1") = "6"
    & skf21("6","7","6","2","1","7","1","1") = "6"
    & skf21("6","7","6","2","1","7","2","1") = "6"
    & skf21("6","7","6","2","1","7","3","1") = "6"
    & skf21("6","7","6","2","1","7","4","1") = "6"
    & skf21("6","7","6","2","1","7","5","1") = "6"
    & skf21("6","7","6","2","1","7","6","1") = "6"
    & skf21("6","7","6","2","1","7","7","1") = "6"
    & skf21("6","7","6","2","2","1","1","1") = "6"
    & skf21("6","7","6","2","2","1","2","1") = "6"
    & skf21("6","7","6","2","2","1","3","1") = "6"
    & skf21("6","7","6","2","2","1","4","1") = "6"
    & skf21("6","7","6","2","2","1","5","1") = "6"
    & skf21("6","7","6","2","2","1","6","1") = "6"
    & skf21("6","7","6","2","2","1","7","1") = "6"
    & skf21("6","7","6","2","2","2","1","1") = "6"
    & skf21("6","7","6","2","2","2","2","1") = "6"
    & skf21("6","7","6","2","2","2","3","1") = "6"
    & skf21("6","7","6","2","2","2","4","1") = "6"
    & skf21("6","7","6","2","2","2","5","1") = "6"
    & skf21("6","7","6","2","2","2","6","1") = "6"
    & skf21("6","7","6","2","2","2","7","1") = "6"
    & skf21("6","7","6","2","2","3","1","1") = "6"
    & skf21("6","7","6","2","2","3","2","1") = "6"
    & skf21("6","7","6","2","2","3","3","1") = "6"
    & skf21("6","7","6","2","2","3","4","1") = "6"
    & skf21("6","7","6","2","2","3","5","1") = "6"
    & skf21("6","7","6","2","2","3","6","1") = "6"
    & skf21("6","7","6","2","2","3","7","1") = "6"
    & skf21("6","7","6","2","2","4","1","1") = "6"
    & skf21("6","7","6","2","2","4","2","1") = "6"
    & skf21("6","7","6","2","2","4","3","1") = "6"
    & skf21("6","7","6","2","2","4","4","1") = "6"
    & skf21("6","7","6","2","2","4","5","1") = "6"
    & skf21("6","7","6","2","2","4","6","1") = "6"
    & skf21("6","7","6","2","2","4","7","1") = "6"
    & skf21("6","7","6","2","2","5","1","1") = "6"
    & skf21("6","7","6","2","2","5","2","1") = "6"
    & skf21("6","7","6","2","2","5","3","1") = "6"
    & skf21("6","7","6","2","2","5","4","1") = "6"
    & skf21("6","7","6","2","2","5","5","1") = "6"
    & skf21("6","7","6","2","2","5","6","1") = "6"
    & skf21("6","7","6","2","2","5","7","1") = "6"
    & skf21("6","7","6","2","2","6","1","1") = "6"
    & skf21("6","7","6","2","2","6","2","1") = "6"
    & skf21("6","7","6","2","2","6","3","1") = "6"
    & skf21("6","7","6","2","2","6","4","1") = "6"
    & skf21("6","7","6","2","2","6","5","1") = "6"
    & skf21("6","7","6","2","2","6","6","1") = "6"
    & skf21("6","7","6","2","2","6","7","1") = "6"
    & skf21("6","7","6","2","2","7","1","1") = "6"
    & skf21("6","7","6","2","2","7","2","1") = "6"
    & skf21("6","7","6","2","2","7","3","1") = "6"
    & skf21("6","7","6","2","2","7","4","1") = "6"
    & skf21("6","7","6","2","2","7","5","1") = "6"
    & skf21("6","7","6","2","2","7","6","1") = "6"
    & skf21("6","7","6","2","2","7","7","1") = "6"
    & skf21("6","7","6","2","3","1","1","1") = "6"
    & skf21("6","7","6","2","3","1","2","1") = "6"
    & skf21("6","7","6","2","3","1","3","1") = "6"
    & skf21("6","7","6","2","3","1","4","1") = "6"
    & skf21("6","7","6","2","3","1","5","1") = "6"
    & skf21("6","7","6","2","3","1","6","1") = "6"
    & skf21("6","7","6","2","3","1","7","1") = "6"
    & skf21("6","7","6","2","3","2","1","1") = "6"
    & skf21("6","7","6","2","3","2","2","1") = "6"
    & skf21("6","7","6","2","3","2","3","1") = "6"
    & skf21("6","7","6","2","3","2","4","1") = "6"
    & skf21("6","7","6","2","3","2","5","1") = "6"
    & skf21("6","7","6","2","3","2","6","1") = "6"
    & skf21("6","7","6","2","3","2","7","1") = "6"
    & skf21("6","7","6","2","3","3","1","1") = "6"
    & skf21("6","7","6","2","3","3","2","1") = "6"
    & skf21("6","7","6","2","3","3","3","1") = "6"
    & skf21("6","7","6","2","3","3","4","1") = "6"
    & skf21("6","7","6","2","3","3","5","1") = "6"
    & skf21("6","7","6","2","3","3","6","1") = "6"
    & skf21("6","7","6","2","3","3","7","1") = "6"
    & skf21("6","7","6","2","3","4","1","1") = "6"
    & skf21("6","7","6","2","3","4","2","1") = "6"
    & skf21("6","7","6","2","3","4","3","1") = "6"
    & skf21("6","7","6","2","3","4","4","1") = "6"
    & skf21("6","7","6","2","3","4","5","1") = "6"
    & skf21("6","7","6","2","3","4","6","1") = "6"
    & skf21("6","7","6","2","3","4","7","1") = "6"
    & skf21("6","7","6","2","3","5","1","1") = "6"
    & skf21("6","7","6","2","3","5","2","1") = "6"
    & skf21("6","7","6","2","3","5","3","1") = "6"
    & skf21("6","7","6","2","3","5","4","1") = "6"
    & skf21("6","7","6","2","3","5","5","1") = "6"
    & skf21("6","7","6","2","3","5","6","1") = "6"
    & skf21("6","7","6","2","3","5","7","1") = "6"
    & skf21("6","7","6","2","3","6","1","1") = "6"
    & skf21("6","7","6","2","3","6","2","1") = "6"
    & skf21("6","7","6","2","3","6","3","1") = "6"
    & skf21("6","7","6","2","3","6","4","1") = "6"
    & skf21("6","7","6","2","3","6","5","1") = "6"
    & skf21("6","7","6","2","3","6","6","1") = "6"
    & skf21("6","7","6","2","3","6","7","1") = "6"
    & skf21("6","7","6","2","3","7","1","1") = "6"
    & skf21("6","7","6","2","3","7","2","1") = "6"
    & skf21("6","7","6","2","3","7","3","1") = "6"
    & skf21("6","7","6","2","3","7","4","1") = "6"
    & skf21("6","7","6","2","3","7","5","1") = "6"
    & skf21("6","7","6","2","3","7","6","1") = "6"
    & skf21("6","7","6","2","3","7","7","1") = "6"
    & skf21("6","7","6","2","4","1","1","1") = "6"
    & skf21("6","7","6","2","4","1","2","1") = "6"
    & skf21("6","7","6","2","4","1","3","1") = "6"
    & skf21("6","7","6","2","4","1","4","1") = "6"
    & skf21("6","7","6","2","4","1","5","1") = "6"
    & skf21("6","7","6","2","4","1","6","1") = "6"
    & skf21("6","7","6","2","4","1","7","1") = "6"
    & skf21("6","7","6","2","4","2","1","1") = "6"
    & skf21("6","7","6","2","4","2","2","1") = "6"
    & skf21("6","7","6","2","4","2","3","1") = "6"
    & skf21("6","7","6","2","4","2","4","1") = "6"
    & skf21("6","7","6","2","4","2","5","1") = "6"
    & skf21("6","7","6","2","4","2","6","1") = "6"
    & skf21("6","7","6","2","4","2","7","1") = "6"
    & skf21("6","7","6","2","4","3","1","1") = "6"
    & skf21("6","7","6","2","4","3","2","1") = "6"
    & skf21("6","7","6","2","4","3","3","1") = "6"
    & skf21("6","7","6","2","4","3","4","1") = "6"
    & skf21("6","7","6","2","4","3","5","1") = "6"
    & skf21("6","7","6","2","4","3","6","1") = "6"
    & skf21("6","7","6","2","4","3","7","1") = "6"
    & skf21("6","7","6","2","4","4","1","1") = "6"
    & skf21("6","7","6","2","4","4","2","1") = "6"
    & skf21("6","7","6","2","4","4","3","1") = "6"
    & skf21("6","7","6","2","4","4","4","1") = "6"
    & skf21("6","7","6","2","4","4","5","1") = "6"
    & skf21("6","7","6","2","4","4","6","1") = "6"
    & skf21("6","7","6","2","4","4","7","1") = "6"
    & skf21("6","7","6","2","4","5","1","1") = "6"
    & skf21("6","7","6","2","4","5","2","1") = "6"
    & skf21("6","7","6","2","4","5","3","1") = "6"
    & skf21("6","7","6","2","4","5","4","1") = "6"
    & skf21("6","7","6","2","4","5","5","1") = "6"
    & skf21("6","7","6","2","4","5","6","1") = "6"
    & skf21("6","7","6","2","4","5","7","1") = "6"
    & skf21("6","7","6","2","4","6","1","1") = "6"
    & skf21("6","7","6","2","4","6","2","1") = "6"
    & skf21("6","7","6","2","4","6","3","1") = "6"
    & skf21("6","7","6","2","4","6","4","1") = "6"
    & skf21("6","7","6","2","4","6","5","1") = "6"
    & skf21("6","7","6","2","4","6","6","1") = "6"
    & skf21("6","7","6","2","4","6","7","1") = "6"
    & skf21("6","7","6","2","4","7","1","1") = "6"
    & skf21("6","7","6","2","4","7","2","1") = "6"
    & skf21("6","7","6","2","4","7","3","1") = "6"
    & skf21("6","7","6","2","4","7","4","1") = "6"
    & skf21("6","7","6","2","4","7","5","1") = "6"
    & skf21("6","7","6","2","4","7","6","1") = "6"
    & skf21("6","7","6","2","4","7","7","1") = "6"
    & skf21("6","7","6","2","5","1","1","1") = "6"
    & skf21("6","7","6","2","5","1","2","1") = "6"
    & skf21("6","7","6","2","5","1","3","1") = "6"
    & skf21("6","7","6","2","5","1","4","1") = "6"
    & skf21("6","7","6","2","5","1","5","1") = "6"
    & skf21("6","7","6","2","5","1","6","1") = "6"
    & skf21("6","7","6","2","5","1","7","1") = "6"
    & skf21("6","7","6","2","5","2","1","1") = "6"
    & skf21("6","7","6","2","5","2","2","1") = "6"
    & skf21("6","7","6","2","5","2","3","1") = "6"
    & skf21("6","7","6","2","5","2","4","1") = "6"
    & skf21("6","7","6","2","5","2","5","1") = "6"
    & skf21("6","7","6","2","5","2","6","1") = "6"
    & skf21("6","7","6","2","5","2","7","1") = "6"
    & skf21("6","7","6","2","5","3","1","1") = "6"
    & skf21("6","7","6","2","5","3","2","1") = "6"
    & skf21("6","7","6","2","5","3","3","1") = "6"
    & skf21("6","7","6","2","5","3","4","1") = "6"
    & skf21("6","7","6","2","5","3","5","1") = "6"
    & skf21("6","7","6","2","5","3","6","1") = "6"
    & skf21("6","7","6","2","5","3","7","1") = "6"
    & skf21("6","7","6","2","5","4","1","1") = "6"
    & skf21("6","7","6","2","5","4","2","1") = "6"
    & skf21("6","7","6","2","5","4","3","1") = "6"
    & skf21("6","7","6","2","5","4","4","1") = "6"
    & skf21("6","7","6","2","5","4","5","1") = "6"
    & skf21("6","7","6","2","5","4","6","1") = "6"
    & skf21("6","7","6","2","5","4","7","1") = "6"
    & skf21("6","7","6","2","5","5","1","1") = "6"
    & skf21("6","7","6","2","5","5","2","1") = "6"
    & skf21("6","7","6","2","5","5","3","1") = "6"
    & skf21("6","7","6","2","5","5","4","1") = "6"
    & skf21("6","7","6","2","5","5","5","1") = "6"
    & skf21("6","7","6","2","5","5","6","1") = "6"
    & skf21("6","7","6","2","5","5","7","1") = "6"
    & skf21("6","7","6","2","5","6","1","1") = "6"
    & skf21("6","7","6","2","5","6","2","1") = "6"
    & skf21("6","7","6","2","5","6","3","1") = "6"
    & skf21("6","7","6","2","5","6","4","1") = "6"
    & skf21("6","7","6","2","5","6","5","1") = "6"
    & skf21("6","7","6","2","5","6","6","1") = "6"
    & skf21("6","7","6","2","5","6","7","1") = "6"
    & skf21("6","7","6","2","5","7","1","1") = "6"
    & skf21("6","7","6","2","5","7","2","1") = "6"
    & skf21("6","7","6","2","5","7","3","1") = "6"
    & skf21("6","7","6","2","5","7","4","1") = "6"
    & skf21("6","7","6","2","5","7","5","1") = "6"
    & skf21("6","7","6","2","5","7","6","1") = "6"
    & skf21("6","7","6","2","5","7","7","1") = "6"
    & skf21("6","7","6","2","6","1","1","1") = "6"
    & skf21("6","7","6","2","6","1","2","1") = "6"
    & skf21("6","7","6","2","6","1","3","1") = "6"
    & skf21("6","7","6","2","6","1","4","1") = "6"
    & skf21("6","7","6","2","6","1","5","1") = "6"
    & skf21("6","7","6","2","6","1","6","1") = "6"
    & skf21("6","7","6","2","6","1","7","1") = "6"
    & skf21("6","7","6","2","6","2","1","1") = "6"
    & skf21("6","7","6","2","6","2","2","1") = "6"
    & skf21("6","7","6","2","6","2","3","1") = "6"
    & skf21("6","7","6","2","6","2","4","1") = "6"
    & skf21("6","7","6","2","6","2","5","1") = "6"
    & skf21("6","7","6","2","6","2","6","1") = "6"
    & skf21("6","7","6","2","6","2","7","1") = "6"
    & skf21("6","7","6","2","6","3","1","1") = "6"
    & skf21("6","7","6","2","6","3","2","1") = "6"
    & skf21("6","7","6","2","6","3","3","1") = "6"
    & skf21("6","7","6","2","6","3","4","1") = "6"
    & skf21("6","7","6","2","6","3","5","1") = "6"
    & skf21("6","7","6","2","6","3","6","1") = "6"
    & skf21("6","7","6","2","6","3","7","1") = "6"
    & skf21("6","7","6","2","6","4","1","1") = "6"
    & skf21("6","7","6","2","6","4","2","1") = "6"
    & skf21("6","7","6","2","6","4","3","1") = "6"
    & skf21("6","7","6","2","6","4","4","1") = "6"
    & skf21("6","7","6","2","6","4","5","1") = "6"
    & skf21("6","7","6","2","6","4","6","1") = "6"
    & skf21("6","7","6","2","6","4","7","1") = "6"
    & skf21("6","7","6","2","6","5","1","1") = "6"
    & skf21("6","7","6","2","6","5","2","1") = "6"
    & skf21("6","7","6","2","6","5","3","1") = "6"
    & skf21("6","7","6","2","6","5","4","1") = "6"
    & skf21("6","7","6","2","6","5","5","1") = "6"
    & skf21("6","7","6","2","6","5","6","1") = "6"
    & skf21("6","7","6","2","6","5","7","1") = "6"
    & skf21("6","7","6","2","6","6","1","1") = "6"
    & skf21("6","7","6","2","6","6","2","1") = "6"
    & skf21("6","7","6","2","6","6","3","1") = "6"
    & skf21("6","7","6","2","6","6","4","1") = "6"
    & skf21("6","7","6","2","6","6","5","1") = "6"
    & skf21("6","7","6","2","6","6","6","1") = "6"
    & skf21("6","7","6","2","6","6","7","1") = "6"
    & skf21("6","7","6","2","6","7","1","1") = "6"
    & skf21("6","7","6","2","6","7","2","1") = "6"
    & skf21("6","7","6","2","6","7","3","1") = "6"
    & skf21("6","7","6","2","6","7","4","1") = "6"
    & skf21("6","7","6","2","6","7","5","1") = "6"
    & skf21("6","7","6","2","6","7","6","1") = "6"
    & skf21("6","7","6","2","6","7","7","1") = "6"
    & skf21("6","7","6","2","7","1","1","1") = "6"
    & skf21("6","7","6","2","7","1","2","1") = "6"
    & skf21("6","7","6","2","7","1","3","1") = "6"
    & skf21("6","7","6","2","7","1","4","1") = "6"
    & skf21("6","7","6","2","7","1","5","1") = "6"
    & skf21("6","7","6","2","7","1","6","1") = "6"
    & skf21("6","7","6","2","7","1","7","1") = "6"
    & skf21("6","7","6","2","7","2","1","1") = "6"
    & skf21("6","7","6","2","7","2","2","1") = "6"
    & skf21("6","7","6","2","7","2","3","1") = "6"
    & skf21("6","7","6","2","7","2","4","1") = "6"
    & skf21("6","7","6","2","7","2","5","1") = "6"
    & skf21("6","7","6","2","7","2","6","1") = "6"
    & skf21("6","7","6","2","7","2","7","1") = "6"
    & skf21("6","7","6","2","7","3","1","1") = "6"
    & skf21("6","7","6","2","7","3","2","1") = "6"
    & skf21("6","7","6","2","7","3","3","1") = "6"
    & skf21("6","7","6","2","7","3","4","1") = "6"
    & skf21("6","7","6","2","7","3","5","1") = "6"
    & skf21("6","7","6","2","7","3","6","1") = "6"
    & skf21("6","7","6","2","7","3","7","1") = "6"
    & skf21("6","7","6","2","7","4","1","1") = "6"
    & skf21("6","7","6","2","7","4","2","1") = "6"
    & skf21("6","7","6","2","7","4","3","1") = "6"
    & skf21("6","7","6","2","7","4","4","1") = "6"
    & skf21("6","7","6","2","7","4","5","1") = "6"
    & skf21("6","7","6","2","7","4","6","1") = "6"
    & skf21("6","7","6","2","7","4","7","1") = "6"
    & skf21("6","7","6","2","7","5","1","1") = "6"
    & skf21("6","7","6","2","7","5","2","1") = "6"
    & skf21("6","7","6","2","7","5","3","1") = "6"
    & skf21("6","7","6","2","7","5","4","1") = "6"
    & skf21("6","7","6","2","7","5","5","1") = "6"
    & skf21("6","7","6","2","7","5","6","1") = "6"
    & skf21("6","7","6","2","7","5","7","1") = "6"
    & skf21("6","7","6","2","7","6","1","1") = "6"
    & skf21("6","7","6","2","7","6","2","1") = "6"
    & skf21("6","7","6","2","7","6","3","1") = "6"
    & skf21("6","7","6","2","7","6","4","1") = "6"
    & skf21("6","7","6","2","7","6","5","1") = "6"
    & skf21("6","7","6","2","7","6","6","1") = "6"
    & skf21("6","7","6","2","7","6","7","1") = "6"
    & skf21("6","7","6","2","7","7","1","1") = "6"
    & skf21("6","7","6","2","7","7","2","1") = "6"
    & skf21("6","7","6","2","7","7","3","1") = "6"
    & skf21("6","7","6","2","7","7","4","1") = "6"
    & skf21("6","7","6","2","7","7","5","1") = "6"
    & skf21("6","7","6","2","7","7","6","1") = "6"
    & skf21("6","7","6","2","7","7","7","1") = "6"
    & skf21("6","7","6","3","1","1","1","1") = "6"
    & skf21("6","7","6","3","1","1","2","1") = "6"
    & skf21("6","7","6","3","1","1","3","1") = "6"
    & skf21("6","7","6","3","1","1","4","1") = "6"
    & skf21("6","7","6","3","1","1","5","1") = "6"
    & skf21("6","7","6","3","1","1","6","1") = "6"
    & skf21("6","7","6","3","1","1","7","1") = "6"
    & skf21("6","7","6","3","1","2","1","1") = "6"
    & skf21("6","7","6","3","1","2","2","1") = "6"
    & skf21("6","7","6","3","1","2","3","1") = "6"
    & skf21("6","7","6","3","1","2","4","1") = "6"
    & skf21("6","7","6","3","1","2","5","1") = "6"
    & skf21("6","7","6","3","1","2","6","1") = "6"
    & skf21("6","7","6","3","1","2","7","1") = "6"
    & skf21("6","7","6","3","1","3","1","1") = "6"
    & skf21("6","7","6","3","1","3","2","1") = "6"
    & skf21("6","7","6","3","1","3","3","1") = "6"
    & skf21("6","7","6","3","1","3","4","1") = "6"
    & skf21("6","7","6","3","1","3","5","1") = "6"
    & skf21("6","7","6","3","1","3","6","1") = "6"
    & skf21("6","7","6","3","1","3","7","1") = "6"
    & skf21("6","7","6","3","1","4","1","1") = "6"
    & skf21("6","7","6","3","1","4","2","1") = "6"
    & skf21("6","7","6","3","1","4","3","1") = "6"
    & skf21("6","7","6","3","1","4","4","1") = "6"
    & skf21("6","7","6","3","1","4","5","1") = "6"
    & skf21("6","7","6","3","1","4","6","1") = "6"
    & skf21("6","7","6","3","1","4","7","1") = "6"
    & skf21("6","7","6","3","1","5","1","1") = "6"
    & skf21("6","7","6","3","1","5","2","1") = "6"
    & skf21("6","7","6","3","1","5","3","1") = "6"
    & skf21("6","7","6","3","1","5","4","1") = "6"
    & skf21("6","7","6","3","1","5","5","1") = "6"
    & skf21("6","7","6","3","1","5","6","1") = "6"
    & skf21("6","7","6","3","1","5","7","1") = "6"
    & skf21("6","7","6","3","1","6","1","1") = "6"
    & skf21("6","7","6","3","1","6","2","1") = "6"
    & skf21("6","7","6","3","1","6","3","1") = "6"
    & skf21("6","7","6","3","1","6","4","1") = "6"
    & skf21("6","7","6","3","1","6","5","1") = "6"
    & skf21("6","7","6","3","1","6","6","1") = "6"
    & skf21("6","7","6","3","1","6","7","1") = "6"
    & skf21("6","7","6","3","1","7","1","1") = "6"
    & skf21("6","7","6","3","1","7","2","1") = "6"
    & skf21("6","7","6","3","1","7","3","1") = "6"
    & skf21("6","7","6","3","1","7","4","1") = "6"
    & skf21("6","7","6","3","1","7","5","1") = "6"
    & skf21("6","7","6","3","1","7","6","1") = "6"
    & skf21("6","7","6","3","1","7","7","1") = "6"
    & skf21("6","7","6","3","2","1","1","1") = "6"
    & skf21("6","7","6","3","2","1","2","1") = "6"
    & skf21("6","7","6","3","2","1","3","1") = "6"
    & skf21("6","7","6","3","2","1","4","1") = "6"
    & skf21("6","7","6","3","2","1","5","1") = "6"
    & skf21("6","7","6","3","2","1","6","1") = "6"
    & skf21("6","7","6","3","2","1","7","1") = "6"
    & skf21("6","7","6","3","2","2","1","1") = "6"
    & skf21("6","7","6","3","2","2","2","1") = "6"
    & skf21("6","7","6","3","2","2","3","1") = "6"
    & skf21("6","7","6","3","2","2","4","1") = "6"
    & skf21("6","7","6","3","2","2","5","1") = "6"
    & skf21("6","7","6","3","2","2","6","1") = "6"
    & skf21("6","7","6","3","2","2","7","1") = "6"
    & skf21("6","7","6","3","2","3","1","1") = "6"
    & skf21("6","7","6","3","2","3","2","1") = "6"
    & skf21("6","7","6","3","2","3","3","1") = "6"
    & skf21("6","7","6","3","2","3","4","1") = "6"
    & skf21("6","7","6","3","2","3","5","1") = "6"
    & skf21("6","7","6","3","2","3","6","1") = "6"
    & skf21("6","7","6","3","2","3","7","1") = "6"
    & skf21("6","7","6","3","2","4","1","1") = "6"
    & skf21("6","7","6","3","2","4","2","1") = "6"
    & skf21("6","7","6","3","2","4","3","1") = "6"
    & skf21("6","7","6","3","2","4","4","1") = "6"
    & skf21("6","7","6","3","2","4","5","1") = "6"
    & skf21("6","7","6","3","2","4","6","1") = "6"
    & skf21("6","7","6","3","2","4","7","1") = "6"
    & skf21("6","7","6","3","2","5","1","1") = "6"
    & skf21("6","7","6","3","2","5","2","1") = "6"
    & skf21("6","7","6","3","2","5","3","1") = "6"
    & skf21("6","7","6","3","2","5","4","1") = "6"
    & skf21("6","7","6","3","2","5","5","1") = "6"
    & skf21("6","7","6","3","2","5","6","1") = "6"
    & skf21("6","7","6","3","2","5","7","1") = "6"
    & skf21("6","7","6","3","2","6","1","1") = "6"
    & skf21("6","7","6","3","2","6","2","1") = "6"
    & skf21("6","7","6","3","2","6","3","1") = "6"
    & skf21("6","7","6","3","2","6","4","1") = "6"
    & skf21("6","7","6","3","2","6","5","1") = "6"
    & skf21("6","7","6","3","2","6","6","1") = "6"
    & skf21("6","7","6","3","2","6","7","1") = "6"
    & skf21("6","7","6","3","2","7","1","1") = "6"
    & skf21("6","7","6","3","2","7","2","1") = "6"
    & skf21("6","7","6","3","2","7","3","1") = "6"
    & skf21("6","7","6","3","2","7","4","1") = "6"
    & skf21("6","7","6","3","2","7","5","1") = "6"
    & skf21("6","7","6","3","2","7","6","1") = "6"
    & skf21("6","7","6","3","2","7","7","1") = "6"
    & skf21("6","7","6","3","3","1","1","1") = "6"
    & skf21("6","7","6","3","3","1","2","1") = "6"
    & skf21("6","7","6","3","3","1","3","1") = "6"
    & skf21("6","7","6","3","3","1","4","1") = "6"
    & skf21("6","7","6","3","3","1","5","1") = "6"
    & skf21("6","7","6","3","3","1","6","1") = "6"
    & skf21("6","7","6","3","3","1","7","1") = "6"
    & skf21("6","7","6","3","3","2","1","1") = "6"
    & skf21("6","7","6","3","3","2","2","1") = "6"
    & skf21("6","7","6","3","3","2","3","1") = "6"
    & skf21("6","7","6","3","3","2","4","1") = "6"
    & skf21("6","7","6","3","3","2","5","1") = "6"
    & skf21("6","7","6","3","3","2","6","1") = "6"
    & skf21("6","7","6","3","3","2","7","1") = "6"
    & skf21("6","7","6","3","3","3","1","1") = "6"
    & skf21("6","7","6","3","3","3","2","1") = "6"
    & skf21("6","7","6","3","3","3","3","1") = "6"
    & skf21("6","7","6","3","3","3","4","1") = "6"
    & skf21("6","7","6","3","3","3","5","1") = "6"
    & skf21("6","7","6","3","3","3","6","1") = "6"
    & skf21("6","7","6","3","3","3","7","1") = "6"
    & skf21("6","7","6","3","3","4","1","1") = "6"
    & skf21("6","7","6","3","3","4","2","1") = "6"
    & skf21("6","7","6","3","3","4","3","1") = "6"
    & skf21("6","7","6","3","3","4","4","1") = "6"
    & skf21("6","7","6","3","3","4","5","1") = "6"
    & skf21("6","7","6","3","3","4","6","1") = "6"
    & skf21("6","7","6","3","3","4","7","1") = "6"
    & skf21("6","7","6","3","3","5","1","1") = "6"
    & skf21("6","7","6","3","3","5","2","1") = "6"
    & skf21("6","7","6","3","3","5","3","1") = "6"
    & skf21("6","7","6","3","3","5","4","1") = "6"
    & skf21("6","7","6","3","3","5","5","1") = "6"
    & skf21("6","7","6","3","3","5","6","1") = "6"
    & skf21("6","7","6","3","3","5","7","1") = "6"
    & skf21("6","7","6","3","3","6","1","1") = "6"
    & skf21("6","7","6","3","3","6","2","1") = "6"
    & skf21("6","7","6","3","3","6","3","1") = "6"
    & skf21("6","7","6","3","3","6","4","1") = "6"
    & skf21("6","7","6","3","3","6","5","1") = "6"
    & skf21("6","7","6","3","3","6","6","1") = "6"
    & skf21("6","7","6","3","3","6","7","1") = "6"
    & skf21("6","7","6","3","3","7","1","1") = "6"
    & skf21("6","7","6","3","3","7","2","1") = "6"
    & skf21("6","7","6","3","3","7","3","1") = "6"
    & skf21("6","7","6","3","3","7","4","1") = "6"
    & skf21("6","7","6","3","3","7","5","1") = "6"
    & skf21("6","7","6","3","3","7","6","1") = "6"
    & skf21("6","7","6","3","3","7","7","1") = "6"
    & skf21("6","7","6","3","4","1","1","1") = "6"
    & skf21("6","7","6","3","4","1","2","1") = "6"
    & skf21("6","7","6","3","4","1","3","1") = "6"
    & skf21("6","7","6","3","4","1","4","1") = "6"
    & skf21("6","7","6","3","4","1","5","1") = "6"
    & skf21("6","7","6","3","4","1","6","1") = "6"
    & skf21("6","7","6","3","4","1","7","1") = "6"
    & skf21("6","7","6","3","4","2","1","1") = "6"
    & skf21("6","7","6","3","4","2","2","1") = "6"
    & skf21("6","7","6","3","4","2","3","1") = "6"
    & skf21("6","7","6","3","4","2","4","1") = "6"
    & skf21("6","7","6","3","4","2","5","1") = "6"
    & skf21("6","7","6","3","4","2","6","1") = "6"
    & skf21("6","7","6","3","4","2","7","1") = "6"
    & skf21("6","7","6","3","4","3","1","1") = "6"
    & skf21("6","7","6","3","4","3","2","1") = "6"
    & skf21("6","7","6","3","4","3","3","1") = "6"
    & skf21("6","7","6","3","4","3","4","1") = "6"
    & skf21("6","7","6","3","4","3","5","1") = "6"
    & skf21("6","7","6","3","4","3","6","1") = "6"
    & skf21("6","7","6","3","4","3","7","1") = "6"
    & skf21("6","7","6","3","4","4","1","1") = "6"
    & skf21("6","7","6","3","4","4","2","1") = "6"
    & skf21("6","7","6","3","4","4","3","1") = "6"
    & skf21("6","7","6","3","4","4","4","1") = "6"
    & skf21("6","7","6","3","4","4","5","1") = "6"
    & skf21("6","7","6","3","4","4","6","1") = "6"
    & skf21("6","7","6","3","4","4","7","1") = "6"
    & skf21("6","7","6","3","4","5","1","1") = "6"
    & skf21("6","7","6","3","4","5","2","1") = "6"
    & skf21("6","7","6","3","4","5","3","1") = "6"
    & skf21("6","7","6","3","4","5","4","1") = "6"
    & skf21("6","7","6","3","4","5","5","1") = "6"
    & skf21("6","7","6","3","4","5","6","1") = "6"
    & skf21("6","7","6","3","4","5","7","1") = "6"
    & skf21("6","7","6","3","4","6","1","1") = "6"
    & skf21("6","7","6","3","4","6","2","1") = "6"
    & skf21("6","7","6","3","4","6","3","1") = "6"
    & skf21("6","7","6","3","4","6","4","1") = "6"
    & skf21("6","7","6","3","4","6","5","1") = "6"
    & skf21("6","7","6","3","4","6","6","1") = "6"
    & skf21("6","7","6","3","4","6","7","1") = "6"
    & skf21("6","7","6","3","4","7","1","1") = "6"
    & skf21("6","7","6","3","4","7","2","1") = "6"
    & skf21("6","7","6","3","4","7","3","1") = "6"
    & skf21("6","7","6","3","4","7","4","1") = "6"
    & skf21("6","7","6","3","4","7","5","1") = "6"
    & skf21("6","7","6","3","4","7","6","1") = "6"
    & skf21("6","7","6","3","4","7","7","1") = "6"
    & skf21("6","7","6","3","5","1","1","1") = "6"
    & skf21("6","7","6","3","5","1","2","1") = "6"
    & skf21("6","7","6","3","5","1","3","1") = "6"
    & skf21("6","7","6","3","5","1","4","1") = "6"
    & skf21("6","7","6","3","5","1","5","1") = "6"
    & skf21("6","7","6","3","5","1","6","1") = "6"
    & skf21("6","7","6","3","5","1","7","1") = "6"
    & skf21("6","7","6","3","5","2","1","1") = "6"
    & skf21("6","7","6","3","5","2","2","1") = "6"
    & skf21("6","7","6","3","5","2","3","1") = "6"
    & skf21("6","7","6","3","5","2","4","1") = "6"
    & skf21("6","7","6","3","5","2","5","1") = "6"
    & skf21("6","7","6","3","5","2","6","1") = "6"
    & skf21("6","7","6","3","5","2","7","1") = "6"
    & skf21("6","7","6","3","5","3","1","1") = "6"
    & skf21("6","7","6","3","5","3","2","1") = "6"
    & skf21("6","7","6","3","5","3","3","1") = "6"
    & skf21("6","7","6","3","5","3","4","1") = "6"
    & skf21("6","7","6","3","5","3","5","1") = "6"
    & skf21("6","7","6","3","5","3","6","1") = "6"
    & skf21("6","7","6","3","5","3","7","1") = "6"
    & skf21("6","7","6","3","5","4","1","1") = "6"
    & skf21("6","7","6","3","5","4","2","1") = "6"
    & skf21("6","7","6","3","5","4","3","1") = "6"
    & skf21("6","7","6","3","5","4","4","1") = "6"
    & skf21("6","7","6","3","5","4","5","1") = "6"
    & skf21("6","7","6","3","5","4","6","1") = "6"
    & skf21("6","7","6","3","5","4","7","1") = "6"
    & skf21("6","7","6","3","5","5","1","1") = "6"
    & skf21("6","7","6","3","5","5","2","1") = "6"
    & skf21("6","7","6","3","5","5","3","1") = "6"
    & skf21("6","7","6","3","5","5","4","1") = "6"
    & skf21("6","7","6","3","5","5","5","1") = "6"
    & skf21("6","7","6","3","5","5","6","1") = "6"
    & skf21("6","7","6","3","5","5","7","1") = "6"
    & skf21("6","7","6","3","5","6","1","1") = "6"
    & skf21("6","7","6","3","5","6","2","1") = "6"
    & skf21("6","7","6","3","5","6","3","1") = "6"
    & skf21("6","7","6","3","5","6","4","1") = "6"
    & skf21("6","7","6","3","5","6","5","1") = "6"
    & skf21("6","7","6","3","5","6","6","1") = "6"
    & skf21("6","7","6","3","5","6","7","1") = "6"
    & skf21("6","7","6","3","5","7","1","1") = "6"
    & skf21("6","7","6","3","5","7","2","1") = "6"
    & skf21("6","7","6","3","5","7","3","1") = "6"
    & skf21("6","7","6","3","5","7","4","1") = "6"
    & skf21("6","7","6","3","5","7","5","1") = "6"
    & skf21("6","7","6","3","5","7","6","1") = "6"
    & skf21("6","7","6","3","5","7","7","1") = "6"
    & skf21("6","7","6","3","6","1","1","1") = "6"
    & skf21("6","7","6","3","6","1","2","1") = "6"
    & skf21("6","7","6","3","6","1","3","1") = "6"
    & skf21("6","7","6","3","6","1","4","1") = "6"
    & skf21("6","7","6","3","6","1","5","1") = "6"
    & skf21("6","7","6","3","6","1","6","1") = "6"
    & skf21("6","7","6","3","6","1","7","1") = "6"
    & skf21("6","7","6","3","6","2","1","1") = "6"
    & skf21("6","7","6","3","6","2","2","1") = "6"
    & skf21("6","7","6","3","6","2","3","1") = "6"
    & skf21("6","7","6","3","6","2","4","1") = "6"
    & skf21("6","7","6","3","6","2","5","1") = "6"
    & skf21("6","7","6","3","6","2","6","1") = "6"
    & skf21("6","7","6","3","6","2","7","1") = "6"
    & skf21("6","7","6","3","6","3","1","1") = "6"
    & skf21("6","7","6","3","6","3","2","1") = "6"
    & skf21("6","7","6","3","6","3","3","1") = "6"
    & skf21("6","7","6","3","6","3","4","1") = "6"
    & skf21("6","7","6","3","6","3","5","1") = "6"
    & skf21("6","7","6","3","6","3","6","1") = "6"
    & skf21("6","7","6","3","6","3","7","1") = "6"
    & skf21("6","7","6","3","6","4","1","1") = "6"
    & skf21("6","7","6","3","6","4","2","1") = "6"
    & skf21("6","7","6","3","6","4","3","1") = "6"
    & skf21("6","7","6","3","6","4","4","1") = "6"
    & skf21("6","7","6","3","6","4","5","1") = "6"
    & skf21("6","7","6","3","6","4","6","1") = "6"
    & skf21("6","7","6","3","6","4","7","1") = "6"
    & skf21("6","7","6","3","6","5","1","1") = "6"
    & skf21("6","7","6","3","6","5","2","1") = "6"
    & skf21("6","7","6","3","6","5","3","1") = "6"
    & skf21("6","7","6","3","6","5","4","1") = "6"
    & skf21("6","7","6","3","6","5","5","1") = "6"
    & skf21("6","7","6","3","6","5","6","1") = "6"
    & skf21("6","7","6","3","6","5","7","1") = "6"
    & skf21("6","7","6","3","6","6","1","1") = "6"
    & skf21("6","7","6","3","6","6","2","1") = "6"
    & skf21("6","7","6","3","6","6","3","1") = "6"
    & skf21("6","7","6","3","6","6","4","1") = "6"
    & skf21("6","7","6","3","6","6","5","1") = "6"
    & skf21("6","7","6","3","6","6","6","1") = "6"
    & skf21("6","7","6","3","6","6","7","1") = "6"
    & skf21("6","7","6","3","6","7","1","1") = "6"
    & skf21("6","7","6","3","6","7","2","1") = "6"
    & skf21("6","7","6","3","6","7","3","1") = "6"
    & skf21("6","7","6","3","6","7","4","1") = "6"
    & skf21("6","7","6","3","6","7","5","1") = "6"
    & skf21("6","7","6","3","6","7","6","1") = "6"
    & skf21("6","7","6","3","6","7","7","1") = "6"
    & skf21("6","7","6","3","7","1","1","1") = "6"
    & skf21("6","7","6","3","7","1","2","1") = "6"
    & skf21("6","7","6","3","7","1","3","1") = "6"
    & skf21("6","7","6","3","7","1","4","1") = "6"
    & skf21("6","7","6","3","7","1","5","1") = "6"
    & skf21("6","7","6","3","7","1","6","1") = "6"
    & skf21("6","7","6","3","7","1","7","1") = "6"
    & skf21("6","7","6","3","7","2","1","1") = "6"
    & skf21("6","7","6","3","7","2","2","1") = "6"
    & skf21("6","7","6","3","7","2","3","1") = "6"
    & skf21("6","7","6","3","7","2","4","1") = "6"
    & skf21("6","7","6","3","7","2","5","1") = "6"
    & skf21("6","7","6","3","7","2","6","1") = "6"
    & skf21("6","7","6","3","7","2","7","1") = "6"
    & skf21("6","7","6","3","7","3","1","1") = "6"
    & skf21("6","7","6","3","7","3","2","1") = "6"
    & skf21("6","7","6","3","7","3","3","1") = "6"
    & skf21("6","7","6","3","7","3","4","1") = "6"
    & skf21("6","7","6","3","7","3","5","1") = "6"
    & skf21("6","7","6","3","7","3","6","1") = "6"
    & skf21("6","7","6","3","7","3","7","1") = "6"
    & skf21("6","7","6","3","7","4","1","1") = "6"
    & skf21("6","7","6","3","7","4","2","1") = "6"
    & skf21("6","7","6","3","7","4","3","1") = "6"
    & skf21("6","7","6","3","7","4","4","1") = "6"
    & skf21("6","7","6","3","7","4","5","1") = "6"
    & skf21("6","7","6","3","7","4","6","1") = "6"
    & skf21("6","7","6","3","7","4","7","1") = "6"
    & skf21("6","7","6","3","7","5","1","1") = "6"
    & skf21("6","7","6","3","7","5","2","1") = "6"
    & skf21("6","7","6","3","7","5","3","1") = "6"
    & skf21("6","7","6","3","7","5","4","1") = "6"
    & skf21("6","7","6","3","7","5","5","1") = "6"
    & skf21("6","7","6","3","7","5","6","1") = "6"
    & skf21("6","7","6","3","7","5","7","1") = "6"
    & skf21("6","7","6","3","7","6","1","1") = "6"
    & skf21("6","7","6","3","7","6","2","1") = "6"
    & skf21("6","7","6","3","7","6","3","1") = "6"
    & skf21("6","7","6","3","7","6","4","1") = "6"
    & skf21("6","7","6","3","7","6","5","1") = "6"
    & skf21("6","7","6","3","7","6","6","1") = "6"
    & skf21("6","7","6","3","7","6","7","1") = "6"
    & skf21("6","7","6","3","7","7","1","1") = "6"
    & skf21("6","7","6","3","7","7","2","1") = "6"
    & skf21("6","7","6","3","7","7","3","1") = "6"
    & skf21("6","7","6","3","7","7","4","1") = "6"
    & skf21("6","7","6","3","7","7","5","1") = "6"
    & skf21("6","7","6","3","7","7","6","1") = "6"
    & skf21("6","7","6","3","7","7","7","1") = "6"
    & skf21("6","7","6","4","1","1","1","1") = "6"
    & skf21("6","7","6","4","1","1","2","1") = "6"
    & skf21("6","7","6","4","1","1","3","1") = "6"
    & skf21("6","7","6","4","1","1","4","1") = "6"
    & skf21("6","7","6","4","1","1","5","1") = "6"
    & skf21("6","7","6","4","1","1","6","1") = "6"
    & skf21("6","7","6","4","1","1","7","1") = "6"
    & skf21("6","7","6","4","1","2","1","1") = "6"
    & skf21("6","7","6","4","1","2","2","1") = "6"
    & skf21("6","7","6","4","1","2","3","1") = "6"
    & skf21("6","7","6","4","1","2","4","1") = "6"
    & skf21("6","7","6","4","1","2","5","1") = "6"
    & skf21("6","7","6","4","1","2","6","1") = "6"
    & skf21("6","7","6","4","1","2","7","1") = "6"
    & skf21("6","7","6","4","1","3","1","1") = "6"
    & skf21("6","7","6","4","1","3","2","1") = "6"
    & skf21("6","7","6","4","1","3","3","1") = "6"
    & skf21("6","7","6","4","1","3","4","1") = "6"
    & skf21("6","7","6","4","1","3","5","1") = "6"
    & skf21("6","7","6","4","1","3","6","1") = "6"
    & skf21("6","7","6","4","1","3","7","1") = "6"
    & skf21("6","7","6","4","1","4","1","1") = "6"
    & skf21("6","7","6","4","1","4","2","1") = "6"
    & skf21("6","7","6","4","1","4","3","1") = "6"
    & skf21("6","7","6","4","1","4","4","1") = "6"
    & skf21("6","7","6","4","1","4","5","1") = "6"
    & skf21("6","7","6","4","1","4","6","1") = "6"
    & skf21("6","7","6","4","1","4","7","1") = "6"
    & skf21("6","7","6","4","1","5","1","1") = "6"
    & skf21("6","7","6","4","1","5","2","1") = "6"
    & skf21("6","7","6","4","1","5","3","1") = "6"
    & skf21("6","7","6","4","1","5","4","1") = "6"
    & skf21("6","7","6","4","1","5","5","1") = "6"
    & skf21("6","7","6","4","1","5","6","1") = "6"
    & skf21("6","7","6","4","1","5","7","1") = "6"
    & skf21("6","7","6","4","1","6","1","1") = "6"
    & skf21("6","7","6","4","1","6","2","1") = "6"
    & skf21("6","7","6","4","1","6","3","1") = "6"
    & skf21("6","7","6","4","1","6","4","1") = "6"
    & skf21("6","7","6","4","1","6","5","1") = "6"
    & skf21("6","7","6","4","1","6","6","1") = "6"
    & skf21("6","7","6","4","1","6","7","1") = "6"
    & skf21("6","7","6","4","1","7","1","1") = "6"
    & skf21("6","7","6","4","1","7","2","1") = "6"
    & skf21("6","7","6","4","1","7","3","1") = "6"
    & skf21("6","7","6","4","1","7","4","1") = "6"
    & skf21("6","7","6","4","1","7","5","1") = "6"
    & skf21("6","7","6","4","1","7","6","1") = "6"
    & skf21("6","7","6","4","1","7","7","1") = "6"
    & skf21("6","7","6","4","2","1","1","1") = "6"
    & skf21("6","7","6","4","2","1","2","1") = "6"
    & skf21("6","7","6","4","2","1","3","1") = "6"
    & skf21("6","7","6","4","2","1","4","1") = "6"
    & skf21("6","7","6","4","2","1","5","1") = "6"
    & skf21("6","7","6","4","2","1","6","1") = "6"
    & skf21("6","7","6","4","2","1","7","1") = "6"
    & skf21("6","7","6","4","2","2","1","1") = "6"
    & skf21("6","7","6","4","2","2","2","1") = "6"
    & skf21("6","7","6","4","2","2","3","1") = "6"
    & skf21("6","7","6","4","2","2","4","1") = "6"
    & skf21("6","7","6","4","2","2","5","1") = "6"
    & skf21("6","7","6","4","2","2","6","1") = "6"
    & skf21("6","7","6","4","2","2","7","1") = "6"
    & skf21("6","7","6","4","2","3","1","1") = "6"
    & skf21("6","7","6","4","2","3","2","1") = "6"
    & skf21("6","7","6","4","2","3","3","1") = "6"
    & skf21("6","7","6","4","2","3","4","1") = "6"
    & skf21("6","7","6","4","2","3","5","1") = "6"
    & skf21("6","7","6","4","2","3","6","1") = "6"
    & skf21("6","7","6","4","2","3","7","1") = "6"
    & skf21("6","7","6","4","2","4","1","1") = "6"
    & skf21("6","7","6","4","2","4","2","1") = "6"
    & skf21("6","7","6","4","2","4","3","1") = "6"
    & skf21("6","7","6","4","2","4","4","1") = "6"
    & skf21("6","7","6","4","2","4","5","1") = "6"
    & skf21("6","7","6","4","2","4","6","1") = "6"
    & skf21("6","7","6","4","2","4","7","1") = "6"
    & skf21("6","7","6","4","2","5","1","1") = "6"
    & skf21("6","7","6","4","2","5","2","1") = "6"
    & skf21("6","7","6","4","2","5","3","1") = "6"
    & skf21("6","7","6","4","2","5","4","1") = "6"
    & skf21("6","7","6","4","2","5","5","1") = "6"
    & skf21("6","7","6","4","2","5","6","1") = "6"
    & skf21("6","7","6","4","2","5","7","1") = "6"
    & skf21("6","7","6","4","2","6","1","1") = "6"
    & skf21("6","7","6","4","2","6","2","1") = "6"
    & skf21("6","7","6","4","2","6","3","1") = "6"
    & skf21("6","7","6","4","2","6","4","1") = "6"
    & skf21("6","7","6","4","2","6","5","1") = "6"
    & skf21("6","7","6","4","2","6","6","1") = "6"
    & skf21("6","7","6","4","2","6","7","1") = "6"
    & skf21("6","7","6","4","2","7","1","1") = "6"
    & skf21("6","7","6","4","2","7","2","1") = "6"
    & skf21("6","7","6","4","2","7","3","1") = "6"
    & skf21("6","7","6","4","2","7","4","1") = "6"
    & skf21("6","7","6","4","2","7","5","1") = "6"
    & skf21("6","7","6","4","2","7","6","1") = "6"
    & skf21("6","7","6","4","2","7","7","1") = "6"
    & skf21("6","7","6","4","3","1","1","1") = "6"
    & skf21("6","7","6","4","3","1","2","1") = "6"
    & skf21("6","7","6","4","3","1","3","1") = "6"
    & skf21("6","7","6","4","3","1","4","1") = "6"
    & skf21("6","7","6","4","3","1","5","1") = "6"
    & skf21("6","7","6","4","3","1","6","1") = "6"
    & skf21("6","7","6","4","3","1","7","1") = "6"
    & skf21("6","7","6","4","3","2","1","1") = "6"
    & skf21("6","7","6","4","3","2","2","1") = "6"
    & skf21("6","7","6","4","3","2","3","1") = "6"
    & skf21("6","7","6","4","3","2","4","1") = "6"
    & skf21("6","7","6","4","3","2","5","1") = "6"
    & skf21("6","7","6","4","3","2","6","1") = "6"
    & skf21("6","7","6","4","3","2","7","1") = "6"
    & skf21("6","7","6","4","3","3","1","1") = "6"
    & skf21("6","7","6","4","3","3","2","1") = "6"
    & skf21("6","7","6","4","3","3","3","1") = "6"
    & skf21("6","7","6","4","3","3","4","1") = "6"
    & skf21("6","7","6","4","3","3","5","1") = "6"
    & skf21("6","7","6","4","3","3","6","1") = "6"
    & skf21("6","7","6","4","3","3","7","1") = "6"
    & skf21("6","7","6","4","3","4","1","1") = "6"
    & skf21("6","7","6","4","3","4","2","1") = "6"
    & skf21("6","7","6","4","3","4","3","1") = "6"
    & skf21("6","7","6","4","3","4","4","1") = "6"
    & skf21("6","7","6","4","3","4","5","1") = "6"
    & skf21("6","7","6","4","3","4","6","1") = "6"
    & skf21("6","7","6","4","3","4","7","1") = "6"
    & skf21("6","7","6","4","3","5","1","1") = "6"
    & skf21("6","7","6","4","3","5","2","1") = "6"
    & skf21("6","7","6","4","3","5","3","1") = "6"
    & skf21("6","7","6","4","3","5","4","1") = "6"
    & skf21("6","7","6","4","3","5","5","1") = "6"
    & skf21("6","7","6","4","3","5","6","1") = "6"
    & skf21("6","7","6","4","3","5","7","1") = "6"
    & skf21("6","7","6","4","3","6","1","1") = "6"
    & skf21("6","7","6","4","3","6","2","1") = "6"
    & skf21("6","7","6","4","3","6","3","1") = "6"
    & skf21("6","7","6","4","3","6","4","1") = "6"
    & skf21("6","7","6","4","3","6","5","1") = "6"
    & skf21("6","7","6","4","3","6","6","1") = "6"
    & skf21("6","7","6","4","3","6","7","1") = "6"
    & skf21("6","7","6","4","3","7","1","1") = "6"
    & skf21("6","7","6","4","3","7","2","1") = "6"
    & skf21("6","7","6","4","3","7","3","1") = "6"
    & skf21("6","7","6","4","3","7","4","1") = "6"
    & skf21("6","7","6","4","3","7","5","1") = "6"
    & skf21("6","7","6","4","3","7","6","1") = "6"
    & skf21("6","7","6","4","3","7","7","1") = "6"
    & skf21("6","7","6","4","4","1","1","1") = "6"
    & skf21("6","7","6","4","4","1","2","1") = "6"
    & skf21("6","7","6","4","4","1","3","1") = "6"
    & skf21("6","7","6","4","4","1","4","1") = "6"
    & skf21("6","7","6","4","4","1","5","1") = "6"
    & skf21("6","7","6","4","4","1","6","1") = "6"
    & skf21("6","7","6","4","4","1","7","1") = "6"
    & skf21("6","7","6","4","4","2","1","1") = "6"
    & skf21("6","7","6","4","4","2","2","1") = "6"
    & skf21("6","7","6","4","4","2","3","1") = "6"
    & skf21("6","7","6","4","4","2","4","1") = "6"
    & skf21("6","7","6","4","4","2","5","1") = "6"
    & skf21("6","7","6","4","4","2","6","1") = "6"
    & skf21("6","7","6","4","4","2","7","1") = "6"
    & skf21("6","7","6","4","4","3","1","1") = "6"
    & skf21("6","7","6","4","4","3","2","1") = "6"
    & skf21("6","7","6","4","4","3","3","1") = "6"
    & skf21("6","7","6","4","4","3","4","1") = "6"
    & skf21("6","7","6","4","4","3","5","1") = "6"
    & skf21("6","7","6","4","4","3","6","1") = "6"
    & skf21("6","7","6","4","4","3","7","1") = "6"
    & skf21("6","7","6","4","4","4","1","1") = "6"
    & skf21("6","7","6","4","4","4","2","1") = "6"
    & skf21("6","7","6","4","4","4","3","1") = "6"
    & skf21("6","7","6","4","4","4","4","1") = "6"
    & skf21("6","7","6","4","4","4","5","1") = "6"
    & skf21("6","7","6","4","4","4","6","1") = "6"
    & skf21("6","7","6","4","4","4","7","1") = "6"
    & skf21("6","7","6","4","4","5","1","1") = "6"
    & skf21("6","7","6","4","4","5","2","1") = "6"
    & skf21("6","7","6","4","4","5","3","1") = "6"
    & skf21("6","7","6","4","4","5","4","1") = "6"
    & skf21("6","7","6","4","4","5","5","1") = "6"
    & skf21("6","7","6","4","4","5","6","1") = "6"
    & skf21("6","7","6","4","4","5","7","1") = "6"
    & skf21("6","7","6","4","4","6","1","1") = "6"
    & skf21("6","7","6","4","4","6","2","1") = "6"
    & skf21("6","7","6","4","4","6","3","1") = "6"
    & skf21("6","7","6","4","4","6","4","1") = "6"
    & skf21("6","7","6","4","4","6","5","1") = "6"
    & skf21("6","7","6","4","4","6","6","1") = "6"
    & skf21("6","7","6","4","4","6","7","1") = "6"
    & skf21("6","7","6","4","4","7","1","1") = "6"
    & skf21("6","7","6","4","4","7","2","1") = "6"
    & skf21("6","7","6","4","4","7","3","1") = "6"
    & skf21("6","7","6","4","4","7","4","1") = "6"
    & skf21("6","7","6","4","4","7","5","1") = "6"
    & skf21("6","7","6","4","4","7","6","1") = "6"
    & skf21("6","7","6","4","4","7","7","1") = "6"
    & skf21("6","7","6","4","5","1","1","1") = "6"
    & skf21("6","7","6","4","5","1","2","1") = "6"
    & skf21("6","7","6","4","5","1","3","1") = "6"
    & skf21("6","7","6","4","5","1","4","1") = "6"
    & skf21("6","7","6","4","5","1","5","1") = "6"
    & skf21("6","7","6","4","5","1","6","1") = "6"
    & skf21("6","7","6","4","5","1","7","1") = "6"
    & skf21("6","7","6","4","5","2","1","1") = "6"
    & skf21("6","7","6","4","5","2","2","1") = "6"
    & skf21("6","7","6","4","5","2","3","1") = "6"
    & skf21("6","7","6","4","5","2","4","1") = "6"
    & skf21("6","7","6","4","5","2","5","1") = "6"
    & skf21("6","7","6","4","5","2","6","1") = "6"
    & skf21("6","7","6","4","5","2","7","1") = "6"
    & skf21("6","7","6","4","5","3","1","1") = "6"
    & skf21("6","7","6","4","5","3","2","1") = "6"
    & skf21("6","7","6","4","5","3","3","1") = "6"
    & skf21("6","7","6","4","5","3","4","1") = "6"
    & skf21("6","7","6","4","5","3","5","1") = "6"
    & skf21("6","7","6","4","5","3","6","1") = "6"
    & skf21("6","7","6","4","5","3","7","1") = "6"
    & skf21("6","7","6","4","5","4","1","1") = "6"
    & skf21("6","7","6","4","5","4","2","1") = "6"
    & skf21("6","7","6","4","5","4","3","1") = "6"
    & skf21("6","7","6","4","5","4","4","1") = "6"
    & skf21("6","7","6","4","5","4","5","1") = "6"
    & skf21("6","7","6","4","5","4","6","1") = "6"
    & skf21("6","7","6","4","5","4","7","1") = "6"
    & skf21("6","7","6","4","5","5","1","1") = "6"
    & skf21("6","7","6","4","5","5","2","1") = "6"
    & skf21("6","7","6","4","5","5","3","1") = "6"
    & skf21("6","7","6","4","5","5","4","1") = "6"
    & skf21("6","7","6","4","5","5","5","1") = "6"
    & skf21("6","7","6","4","5","5","6","1") = "6"
    & skf21("6","7","6","4","5","5","7","1") = "6"
    & skf21("6","7","6","4","5","6","1","1") = "6"
    & skf21("6","7","6","4","5","6","2","1") = "6"
    & skf21("6","7","6","4","5","6","3","1") = "6"
    & skf21("6","7","6","4","5","6","4","1") = "6"
    & skf21("6","7","6","4","5","6","5","1") = "6"
    & skf21("6","7","6","4","5","6","6","1") = "6"
    & skf21("6","7","6","4","5","6","7","1") = "6"
    & skf21("6","7","6","4","5","7","1","1") = "6"
    & skf21("6","7","6","4","5","7","2","1") = "6"
    & skf21("6","7","6","4","5","7","3","1") = "6"
    & skf21("6","7","6","4","5","7","4","1") = "6"
    & skf21("6","7","6","4","5","7","5","1") = "6"
    & skf21("6","7","6","4","5","7","6","1") = "6"
    & skf21("6","7","6","4","5","7","7","1") = "6"
    & skf21("6","7","6","4","6","1","1","1") = "6"
    & skf21("6","7","6","4","6","1","2","1") = "6"
    & skf21("6","7","6","4","6","1","3","1") = "6"
    & skf21("6","7","6","4","6","1","4","1") = "6"
    & skf21("6","7","6","4","6","1","5","1") = "6"
    & skf21("6","7","6","4","6","1","6","1") = "6"
    & skf21("6","7","6","4","6","1","7","1") = "6"
    & skf21("6","7","6","4","6","2","1","1") = "6"
    & skf21("6","7","6","4","6","2","2","1") = "6"
    & skf21("6","7","6","4","6","2","3","1") = "6"
    & skf21("6","7","6","4","6","2","4","1") = "6"
    & skf21("6","7","6","4","6","2","5","1") = "6"
    & skf21("6","7","6","4","6","2","6","1") = "6"
    & skf21("6","7","6","4","6","2","7","1") = "6"
    & skf21("6","7","6","4","6","3","1","1") = "6"
    & skf21("6","7","6","4","6","3","2","1") = "6"
    & skf21("6","7","6","4","6","3","3","1") = "6"
    & skf21("6","7","6","4","6","3","4","1") = "6"
    & skf21("6","7","6","4","6","3","5","1") = "6"
    & skf21("6","7","6","4","6","3","6","1") = "6"
    & skf21("6","7","6","4","6","3","7","1") = "6"
    & skf21("6","7","6","4","6","4","1","1") = "6"
    & skf21("6","7","6","4","6","4","2","1") = "6"
    & skf21("6","7","6","4","6","4","3","1") = "6"
    & skf21("6","7","6","4","6","4","4","1") = "6"
    & skf21("6","7","6","4","6","4","5","1") = "6"
    & skf21("6","7","6","4","6","4","6","1") = "6"
    & skf21("6","7","6","4","6","4","7","1") = "6"
    & skf21("6","7","6","4","6","5","1","1") = "6"
    & skf21("6","7","6","4","6","5","2","1") = "6"
    & skf21("6","7","6","4","6","5","3","1") = "6"
    & skf21("6","7","6","4","6","5","4","1") = "6"
    & skf21("6","7","6","4","6","5","5","1") = "6"
    & skf21("6","7","6","4","6","5","6","1") = "6"
    & skf21("6","7","6","4","6","5","7","1") = "6"
    & skf21("6","7","6","4","6","6","1","1") = "6"
    & skf21("6","7","6","4","6","6","2","1") = "6"
    & skf21("6","7","6","4","6","6","3","1") = "6"
    & skf21("6","7","6","4","6","6","4","1") = "6"
    & skf21("6","7","6","4","6","6","5","1") = "6"
    & skf21("6","7","6","4","6","6","6","1") = "6"
    & skf21("6","7","6","4","6","6","7","1") = "6"
    & skf21("6","7","6","4","6","7","1","1") = "6"
    & skf21("6","7","6","4","6","7","2","1") = "6"
    & skf21("6","7","6","4","6","7","3","1") = "6"
    & skf21("6","7","6","4","6","7","4","1") = "6"
    & skf21("6","7","6","4","6","7","5","1") = "6"
    & skf21("6","7","6","4","6","7","6","1") = "6"
    & skf21("6","7","6","4","6","7","7","1") = "6"
    & skf21("6","7","6","4","7","1","1","1") = "6"
    & skf21("6","7","6","4","7","1","2","1") = "6"
    & skf21("6","7","6","4","7","1","3","1") = "6"
    & skf21("6","7","6","4","7","1","4","1") = "6"
    & skf21("6","7","6","4","7","1","5","1") = "6"
    & skf21("6","7","6","4","7","1","6","1") = "6"
    & skf21("6","7","6","4","7","1","7","1") = "6"
    & skf21("6","7","6","4","7","2","1","1") = "6"
    & skf21("6","7","6","4","7","2","2","1") = "6"
    & skf21("6","7","6","4","7","2","3","1") = "6"
    & skf21("6","7","6","4","7","2","4","1") = "6"
    & skf21("6","7","6","4","7","2","5","1") = "6"
    & skf21("6","7","6","4","7","2","6","1") = "6"
    & skf21("6","7","6","4","7","2","7","1") = "6"
    & skf21("6","7","6","4","7","3","1","1") = "6"
    & skf21("6","7","6","4","7","3","2","1") = "6"
    & skf21("6","7","6","4","7","3","3","1") = "6"
    & skf21("6","7","6","4","7","3","4","1") = "6"
    & skf21("6","7","6","4","7","3","5","1") = "6"
    & skf21("6","7","6","4","7","3","6","1") = "6"
    & skf21("6","7","6","4","7","3","7","1") = "6"
    & skf21("6","7","6","4","7","4","1","1") = "6"
    & skf21("6","7","6","4","7","4","2","1") = "6"
    & skf21("6","7","6","4","7","4","3","1") = "6"
    & skf21("6","7","6","4","7","4","4","1") = "6"
    & skf21("6","7","6","4","7","4","5","1") = "6"
    & skf21("6","7","6","4","7","4","6","1") = "6"
    & skf21("6","7","6","4","7","4","7","1") = "6"
    & skf21("6","7","6","4","7","5","1","1") = "6"
    & skf21("6","7","6","4","7","5","2","1") = "6"
    & skf21("6","7","6","4","7","5","3","1") = "6"
    & skf21("6","7","6","4","7","5","4","1") = "6"
    & skf21("6","7","6","4","7","5","5","1") = "6"
    & skf21("6","7","6","4","7","5","6","1") = "6"
    & skf21("6","7","6","4","7","5","7","1") = "6"
    & skf21("6","7","6","4","7","6","1","1") = "6"
    & skf21("6","7","6","4","7","6","2","1") = "6"
    & skf21("6","7","6","4","7","6","3","1") = "6"
    & skf21("6","7","6","4","7","6","4","1") = "6"
    & skf21("6","7","6","4","7","6","5","1") = "6"
    & skf21("6","7","6","4","7","6","6","1") = "6"
    & skf21("6","7","6","4","7","6","7","1") = "6"
    & skf21("6","7","6","4","7","7","1","1") = "6"
    & skf21("6","7","6","4","7","7","2","1") = "6"
    & skf21("6","7","6","4","7","7","3","1") = "6"
    & skf21("6","7","6","4","7","7","4","1") = "6"
    & skf21("6","7","6","4","7","7","5","1") = "6"
    & skf21("6","7","6","4","7","7","6","1") = "6"
    & skf21("6","7","6","4","7","7","7","1") = "6"
    & skf21("6","7","6","5","1","1","1","1") = "6"
    & skf21("6","7","6","5","1","1","2","1") = "6"
    & skf21("6","7","6","5","1","1","3","1") = "6"
    & skf21("6","7","6","5","1","1","4","1") = "6"
    & skf21("6","7","6","5","1","1","5","1") = "6"
    & skf21("6","7","6","5","1","1","6","1") = "6"
    & skf21("6","7","6","5","1","1","7","1") = "6"
    & skf21("6","7","6","5","1","2","1","1") = "6"
    & skf21("6","7","6","5","1","2","2","1") = "6"
    & skf21("6","7","6","5","1","2","3","1") = "6"
    & skf21("6","7","6","5","1","2","4","1") = "6"
    & skf21("6","7","6","5","1","2","5","1") = "6"
    & skf21("6","7","6","5","1","2","6","1") = "6"
    & skf21("6","7","6","5","1","2","7","1") = "6"
    & skf21("6","7","6","5","1","3","1","1") = "6"
    & skf21("6","7","6","5","1","3","2","1") = "6"
    & skf21("6","7","6","5","1","3","3","1") = "6"
    & skf21("6","7","6","5","1","3","4","1") = "6"
    & skf21("6","7","6","5","1","3","5","1") = "6"
    & skf21("6","7","6","5","1","3","6","1") = "6"
    & skf21("6","7","6","5","1","3","7","1") = "6"
    & skf21("6","7","6","5","1","4","1","1") = "6"
    & skf21("6","7","6","5","1","4","2","1") = "6"
    & skf21("6","7","6","5","1","4","3","1") = "6"
    & skf21("6","7","6","5","1","4","4","1") = "6"
    & skf21("6","7","6","5","1","4","5","1") = "6"
    & skf21("6","7","6","5","1","4","6","1") = "6"
    & skf21("6","7","6","5","1","4","7","1") = "6"
    & skf21("6","7","6","5","1","5","1","1") = "6"
    & skf21("6","7","6","5","1","5","2","1") = "6"
    & skf21("6","7","6","5","1","5","3","1") = "6"
    & skf21("6","7","6","5","1","5","4","1") = "6"
    & skf21("6","7","6","5","1","5","5","1") = "6"
    & skf21("6","7","6","5","1","5","6","1") = "6"
    & skf21("6","7","6","5","1","5","7","1") = "6"
    & skf21("6","7","6","5","1","6","1","1") = "6"
    & skf21("6","7","6","5","1","6","2","1") = "6"
    & skf21("6","7","6","5","1","6","3","1") = "6"
    & skf21("6","7","6","5","1","6","4","1") = "6"
    & skf21("6","7","6","5","1","6","5","1") = "6"
    & skf21("6","7","6","5","1","6","6","1") = "6"
    & skf21("6","7","6","5","1","6","7","1") = "6"
    & skf21("6","7","6","5","1","7","1","1") = "6"
    & skf21("6","7","6","5","1","7","2","1") = "6"
    & skf21("6","7","6","5","1","7","3","1") = "6"
    & skf21("6","7","6","5","1","7","4","1") = "6"
    & skf21("6","7","6","5","1","7","5","1") = "6"
    & skf21("6","7","6","5","1","7","6","1") = "6"
    & skf21("6","7","6","5","1","7","7","1") = "6"
    & skf21("6","7","6","5","2","1","1","1") = "6"
    & skf21("6","7","6","5","2","1","2","1") = "6"
    & skf21("6","7","6","5","2","1","3","1") = "6"
    & skf21("6","7","6","5","2","1","4","1") = "6"
    & skf21("6","7","6","5","2","1","5","1") = "6"
    & skf21("6","7","6","5","2","1","6","1") = "6"
    & skf21("6","7","6","5","2","1","7","1") = "6"
    & skf21("6","7","6","5","2","2","1","1") = "6"
    & skf21("6","7","6","5","2","2","2","1") = "6"
    & skf21("6","7","6","5","2","2","3","1") = "6"
    & skf21("6","7","6","5","2","2","4","1") = "6"
    & skf21("6","7","6","5","2","2","5","1") = "6"
    & skf21("6","7","6","5","2","2","6","1") = "6"
    & skf21("6","7","6","5","2","2","7","1") = "6"
    & skf21("6","7","6","5","2","3","1","1") = "6"
    & skf21("6","7","6","5","2","3","2","1") = "6"
    & skf21("6","7","6","5","2","3","3","1") = "6"
    & skf21("6","7","6","5","2","3","4","1") = "6"
    & skf21("6","7","6","5","2","3","5","1") = "6"
    & skf21("6","7","6","5","2","3","6","1") = "6"
    & skf21("6","7","6","5","2","3","7","1") = "6"
    & skf21("6","7","6","5","2","4","1","1") = "6"
    & skf21("6","7","6","5","2","4","2","1") = "6"
    & skf21("6","7","6","5","2","4","3","1") = "6"
    & skf21("6","7","6","5","2","4","4","1") = "6"
    & skf21("6","7","6","5","2","4","5","1") = "6"
    & skf21("6","7","6","5","2","4","6","1") = "6"
    & skf21("6","7","6","5","2","4","7","1") = "6"
    & skf21("6","7","6","5","2","5","1","1") = "6"
    & skf21("6","7","6","5","2","5","2","1") = "6"
    & skf21("6","7","6","5","2","5","3","1") = "6"
    & skf21("6","7","6","5","2","5","4","1") = "6"
    & skf21("6","7","6","5","2","5","5","1") = "6"
    & skf21("6","7","6","5","2","5","6","1") = "6"
    & skf21("6","7","6","5","2","5","7","1") = "6"
    & skf21("6","7","6","5","2","6","1","1") = "6"
    & skf21("6","7","6","5","2","6","2","1") = "6"
    & skf21("6","7","6","5","2","6","3","1") = "6"
    & skf21("6","7","6","5","2","6","4","1") = "6"
    & skf21("6","7","6","5","2","6","5","1") = "6"
    & skf21("6","7","6","5","2","6","6","1") = "6"
    & skf21("6","7","6","5","2","6","7","1") = "6"
    & skf21("6","7","6","5","2","7","1","1") = "6"
    & skf21("6","7","6","5","2","7","2","1") = "6"
    & skf21("6","7","6","5","2","7","3","1") = "6"
    & skf21("6","7","6","5","2","7","4","1") = "6"
    & skf21("6","7","6","5","2","7","5","1") = "6"
    & skf21("6","7","6","5","2","7","6","1") = "6"
    & skf21("6","7","6","5","2","7","7","1") = "6"
    & skf21("6","7","6","5","3","1","1","1") = "6"
    & skf21("6","7","6","5","3","1","2","1") = "6"
    & skf21("6","7","6","5","3","1","3","1") = "6"
    & skf21("6","7","6","5","3","1","4","1") = "6"
    & skf21("6","7","6","5","3","1","5","1") = "6"
    & skf21("6","7","6","5","3","1","6","1") = "6"
    & skf21("6","7","6","5","3","1","7","1") = "6"
    & skf21("6","7","6","5","3","2","1","1") = "6"
    & skf21("6","7","6","5","3","2","2","1") = "6"
    & skf21("6","7","6","5","3","2","3","1") = "6"
    & skf21("6","7","6","5","3","2","4","1") = "6"
    & skf21("6","7","6","5","3","2","5","1") = "6"
    & skf21("6","7","6","5","3","2","6","1") = "6"
    & skf21("6","7","6","5","3","2","7","1") = "6"
    & skf21("6","7","6","5","3","3","1","1") = "6"
    & skf21("6","7","6","5","3","3","2","1") = "6"
    & skf21("6","7","6","5","3","3","3","1") = "6"
    & skf21("6","7","6","5","3","3","4","1") = "6"
    & skf21("6","7","6","5","3","3","5","1") = "6"
    & skf21("6","7","6","5","3","3","6","1") = "6"
    & skf21("6","7","6","5","3","3","7","1") = "6"
    & skf21("6","7","6","5","3","4","1","1") = "6"
    & skf21("6","7","6","5","3","4","2","1") = "6"
    & skf21("6","7","6","5","3","4","3","1") = "6"
    & skf21("6","7","6","5","3","4","4","1") = "6"
    & skf21("6","7","6","5","3","4","5","1") = "6"
    & skf21("6","7","6","5","3","4","6","1") = "6"
    & skf21("6","7","6","5","3","4","7","1") = "6"
    & skf21("6","7","6","5","3","5","1","1") = "6"
    & skf21("6","7","6","5","3","5","2","1") = "6"
    & skf21("6","7","6","5","3","5","3","1") = "6"
    & skf21("6","7","6","5","3","5","4","1") = "6"
    & skf21("6","7","6","5","3","5","5","1") = "6"
    & skf21("6","7","6","5","3","5","6","1") = "6"
    & skf21("6","7","6","5","3","5","7","1") = "6"
    & skf21("6","7","6","5","3","6","1","1") = "6"
    & skf21("6","7","6","5","3","6","2","1") = "6"
    & skf21("6","7","6","5","3","6","3","1") = "6"
    & skf21("6","7","6","5","3","6","4","1") = "6"
    & skf21("6","7","6","5","3","6","5","1") = "6"
    & skf21("6","7","6","5","3","6","6","1") = "6"
    & skf21("6","7","6","5","3","6","7","1") = "6"
    & skf21("6","7","6","5","3","7","1","1") = "6"
    & skf21("6","7","6","5","3","7","2","1") = "6"
    & skf21("6","7","6","5","3","7","3","1") = "6"
    & skf21("6","7","6","5","3","7","4","1") = "6"
    & skf21("6","7","6","5","3","7","5","1") = "6"
    & skf21("6","7","6","5","3","7","6","1") = "6"
    & skf21("6","7","6","5","3","7","7","1") = "6"
    & skf21("6","7","6","5","4","1","1","1") = "6"
    & skf21("6","7","6","5","4","1","2","1") = "6"
    & skf21("6","7","6","5","4","1","3","1") = "6"
    & skf21("6","7","6","5","4","1","4","1") = "6"
    & skf21("6","7","6","5","4","1","5","1") = "6"
    & skf21("6","7","6","5","4","1","6","1") = "6"
    & skf21("6","7","6","5","4","1","7","1") = "6"
    & skf21("6","7","6","5","4","2","1","1") = "6"
    & skf21("6","7","6","5","4","2","2","1") = "6"
    & skf21("6","7","6","5","4","2","3","1") = "6"
    & skf21("6","7","6","5","4","2","4","1") = "6"
    & skf21("6","7","6","5","4","2","5","1") = "6"
    & skf21("6","7","6","5","4","2","6","1") = "6"
    & skf21("6","7","6","5","4","2","7","1") = "6"
    & skf21("6","7","6","5","4","3","1","1") = "6"
    & skf21("6","7","6","5","4","3","2","1") = "6"
    & skf21("6","7","6","5","4","3","3","1") = "6"
    & skf21("6","7","6","5","4","3","4","1") = "6"
    & skf21("6","7","6","5","4","3","5","1") = "6"
    & skf21("6","7","6","5","4","3","6","1") = "6"
    & skf21("6","7","6","5","4","3","7","1") = "6"
    & skf21("6","7","6","5","4","4","1","1") = "6"
    & skf21("6","7","6","5","4","4","2","1") = "6"
    & skf21("6","7","6","5","4","4","3","1") = "6"
    & skf21("6","7","6","5","4","4","4","1") = "6"
    & skf21("6","7","6","5","4","4","5","1") = "6"
    & skf21("6","7","6","5","4","4","6","1") = "6"
    & skf21("6","7","6","5","4","4","7","1") = "6"
    & skf21("6","7","6","5","4","5","1","1") = "6"
    & skf21("6","7","6","5","4","5","2","1") = "6"
    & skf21("6","7","6","5","4","5","3","1") = "6"
    & skf21("6","7","6","5","4","5","4","1") = "6"
    & skf21("6","7","6","5","4","5","5","1") = "6"
    & skf21("6","7","6","5","4","5","6","1") = "6"
    & skf21("6","7","6","5","4","5","7","1") = "6"
    & skf21("6","7","6","5","4","6","1","1") = "6"
    & skf21("6","7","6","5","4","6","2","1") = "6"
    & skf21("6","7","6","5","4","6","3","1") = "6"
    & skf21("6","7","6","5","4","6","4","1") = "6"
    & skf21("6","7","6","5","4","6","5","1") = "6"
    & skf21("6","7","6","5","4","6","6","1") = "6"
    & skf21("6","7","6","5","4","6","7","1") = "6"
    & skf21("6","7","6","5","4","7","1","1") = "6"
    & skf21("6","7","6","5","4","7","2","1") = "6"
    & skf21("6","7","6","5","4","7","3","1") = "6"
    & skf21("6","7","6","5","4","7","4","1") = "6"
    & skf21("6","7","6","5","4","7","5","1") = "6"
    & skf21("6","7","6","5","4","7","6","1") = "6"
    & skf21("6","7","6","5","4","7","7","1") = "6"
    & skf21("6","7","6","5","5","1","1","1") = "6"
    & skf21("6","7","6","5","5","1","2","1") = "6"
    & skf21("6","7","6","5","5","1","3","1") = "6"
    & skf21("6","7","6","5","5","1","4","1") = "6"
    & skf21("6","7","6","5","5","1","5","1") = "6"
    & skf21("6","7","6","5","5","1","6","1") = "6"
    & skf21("6","7","6","5","5","1","7","1") = "6"
    & skf21("6","7","6","5","5","2","1","1") = "6"
    & skf21("6","7","6","5","5","2","2","1") = "6"
    & skf21("6","7","6","5","5","2","3","1") = "6"
    & skf21("6","7","6","5","5","2","4","1") = "6"
    & skf21("6","7","6","5","5","2","5","1") = "6"
    & skf21("6","7","6","5","5","2","6","1") = "6"
    & skf21("6","7","6","5","5","2","7","1") = "6"
    & skf21("6","7","6","5","5","3","1","1") = "6"
    & skf21("6","7","6","5","5","3","2","1") = "6"
    & skf21("6","7","6","5","5","3","3","1") = "6"
    & skf21("6","7","6","5","5","3","4","1") = "6"
    & skf21("6","7","6","5","5","3","5","1") = "6"
    & skf21("6","7","6","5","5","3","6","1") = "6"
    & skf21("6","7","6","5","5","3","7","1") = "6"
    & skf21("6","7","6","5","5","4","1","1") = "6"
    & skf21("6","7","6","5","5","4","2","1") = "6"
    & skf21("6","7","6","5","5","4","3","1") = "6"
    & skf21("6","7","6","5","5","4","4","1") = "6"
    & skf21("6","7","6","5","5","4","5","1") = "6"
    & skf21("6","7","6","5","5","4","6","1") = "6"
    & skf21("6","7","6","5","5","4","7","1") = "6"
    & skf21("6","7","6","5","5","5","1","1") = "6"
    & skf21("6","7","6","5","5","5","2","1") = "6"
    & skf21("6","7","6","5","5","5","3","1") = "6"
    & skf21("6","7","6","5","5","5","4","1") = "6"
    & skf21("6","7","6","5","5","5","5","1") = "6"
    & skf21("6","7","6","5","5","5","6","1") = "6"
    & skf21("6","7","6","5","5","5","7","1") = "6"
    & skf21("6","7","6","5","5","6","1","1") = "6"
    & skf21("6","7","6","5","5","6","2","1") = "6"
    & skf21("6","7","6","5","5","6","3","1") = "6"
    & skf21("6","7","6","5","5","6","4","1") = "6"
    & skf21("6","7","6","5","5","6","5","1") = "6"
    & skf21("6","7","6","5","5","6","6","1") = "6"
    & skf21("6","7","6","5","5","6","7","1") = "6"
    & skf21("6","7","6","5","5","7","1","1") = "6"
    & skf21("6","7","6","5","5","7","2","1") = "6"
    & skf21("6","7","6","5","5","7","3","1") = "6"
    & skf21("6","7","6","5","5","7","4","1") = "6"
    & skf21("6","7","6","5","5","7","5","1") = "6"
    & skf21("6","7","6","5","5","7","6","1") = "6"
    & skf21("6","7","6","5","5","7","7","1") = "6"
    & skf21("6","7","6","5","6","1","1","1") = "6"
    & skf21("6","7","6","5","6","1","2","1") = "6"
    & skf21("6","7","6","5","6","1","3","1") = "6"
    & skf21("6","7","6","5","6","1","4","1") = "6"
    & skf21("6","7","6","5","6","1","5","1") = "6"
    & skf21("6","7","6","5","6","1","6","1") = "6"
    & skf21("6","7","6","5","6","1","7","1") = "6"
    & skf21("6","7","6","5","6","2","1","1") = "6"
    & skf21("6","7","6","5","6","2","2","1") = "6"
    & skf21("6","7","6","5","6","2","3","1") = "6"
    & skf21("6","7","6","5","6","2","4","1") = "6"
    & skf21("6","7","6","5","6","2","5","1") = "6"
    & skf21("6","7","6","5","6","2","6","1") = "6"
    & skf21("6","7","6","5","6","2","7","1") = "6"
    & skf21("6","7","6","5","6","3","1","1") = "6"
    & skf21("6","7","6","5","6","3","2","1") = "6"
    & skf21("6","7","6","5","6","3","3","1") = "6"
    & skf21("6","7","6","5","6","3","4","1") = "6"
    & skf21("6","7","6","5","6","3","5","1") = "6"
    & skf21("6","7","6","5","6","3","6","1") = "6"
    & skf21("6","7","6","5","6","3","7","1") = "6"
    & skf21("6","7","6","5","6","4","1","1") = "6"
    & skf21("6","7","6","5","6","4","2","1") = "6"
    & skf21("6","7","6","5","6","4","3","1") = "6"
    & skf21("6","7","6","5","6","4","4","1") = "6"
    & skf21("6","7","6","5","6","4","5","1") = "6"
    & skf21("6","7","6","5","6","4","6","1") = "6"
    & skf21("6","7","6","5","6","4","7","1") = "6"
    & skf21("6","7","6","5","6","5","1","1") = "6"
    & skf21("6","7","6","5","6","5","2","1") = "6"
    & skf21("6","7","6","5","6","5","3","1") = "6"
    & skf21("6","7","6","5","6","5","4","1") = "6"
    & skf21("6","7","6","5","6","5","5","1") = "6"
    & skf21("6","7","6","5","6","5","6","1") = "6"
    & skf21("6","7","6","5","6","5","7","1") = "6"
    & skf21("6","7","6","5","6","6","1","1") = "6"
    & skf21("6","7","6","5","6","6","2","1") = "6"
    & skf21("6","7","6","5","6","6","3","1") = "6"
    & skf21("6","7","6","5","6","6","4","1") = "6"
    & skf21("6","7","6","5","6","6","5","1") = "6"
    & skf21("6","7","6","5","6","6","6","1") = "6"
    & skf21("6","7","6","5","6","6","7","1") = "6"
    & skf21("6","7","6","5","6","7","1","1") = "6"
    & skf21("6","7","6","5","6","7","2","1") = "6"
    & skf21("6","7","6","5","6","7","3","1") = "6"
    & skf21("6","7","6","5","6","7","4","1") = "6"
    & skf21("6","7","6","5","6","7","5","1") = "6"
    & skf21("6","7","6","5","6","7","6","1") = "6"
    & skf21("6","7","6","5","6","7","7","1") = "6"
    & skf21("6","7","6","5","7","1","1","1") = "6"
    & skf21("6","7","6","5","7","1","2","1") = "6"
    & skf21("6","7","6","5","7","1","3","1") = "6"
    & skf21("6","7","6","5","7","1","4","1") = "6"
    & skf21("6","7","6","5","7","1","5","1") = "6"
    & skf21("6","7","6","5","7","1","6","1") = "6"
    & skf21("6","7","6","5","7","1","7","1") = "6"
    & skf21("6","7","6","5","7","2","1","1") = "6"
    & skf21("6","7","6","5","7","2","2","1") = "6"
    & skf21("6","7","6","5","7","2","3","1") = "6"
    & skf21("6","7","6","5","7","2","4","1") = "6"
    & skf21("6","7","6","5","7","2","5","1") = "6"
    & skf21("6","7","6","5","7","2","6","1") = "6"
    & skf21("6","7","6","5","7","2","7","1") = "6"
    & skf21("6","7","6","5","7","3","1","1") = "6"
    & skf21("6","7","6","5","7","3","2","1") = "6"
    & skf21("6","7","6","5","7","3","3","1") = "6"
    & skf21("6","7","6","5","7","3","4","1") = "6"
    & skf21("6","7","6","5","7","3","5","1") = "6"
    & skf21("6","7","6","5","7","3","6","1") = "6"
    & skf21("6","7","6","5","7","3","7","1") = "6"
    & skf21("6","7","6","5","7","4","1","1") = "6"
    & skf21("6","7","6","5","7","4","2","1") = "6"
    & skf21("6","7","6","5","7","4","3","1") = "6"
    & skf21("6","7","6","5","7","4","4","1") = "6"
    & skf21("6","7","6","5","7","4","5","1") = "6"
    & skf21("6","7","6","5","7","4","6","1") = "6"
    & skf21("6","7","6","5","7","4","7","1") = "6"
    & skf21("6","7","6","5","7","5","1","1") = "6"
    & skf21("6","7","6","5","7","5","2","1") = "6"
    & skf21("6","7","6","5","7","5","3","1") = "6"
    & skf21("6","7","6","5","7","5","4","1") = "6"
    & skf21("6","7","6","5","7","5","5","1") = "6"
    & skf21("6","7","6","5","7","5","6","1") = "6"
    & skf21("6","7","6","5","7","5","7","1") = "6"
    & skf21("6","7","6","5","7","6","1","1") = "6"
    & skf21("6","7","6","5","7","6","2","1") = "6"
    & skf21("6","7","6","5","7","6","3","1") = "6"
    & skf21("6","7","6","5","7","6","4","1") = "6"
    & skf21("6","7","6","5","7","6","5","1") = "6"
    & skf21("6","7","6","5","7","6","6","1") = "6"
    & skf21("6","7","6","5","7","6","7","1") = "6"
    & skf21("6","7","6","5","7","7","1","1") = "6"
    & skf21("6","7","6","5","7","7","2","1") = "6"
    & skf21("6","7","6","5","7","7","3","1") = "6"
    & skf21("6","7","6","5","7","7","4","1") = "6"
    & skf21("6","7","6","5","7","7","5","1") = "6"
    & skf21("6","7","6","5","7","7","6","1") = "6"
    & skf21("6","7","6","5","7","7","7","1") = "6"
    & skf21("6","7","6","6","1","1","1","1") = "6"
    & skf21("6","7","6","6","1","1","2","1") = "6"
    & skf21("6","7","6","6","1","1","3","1") = "6"
    & skf21("6","7","6","6","1","1","4","1") = "6"
    & skf21("6","7","6","6","1","1","5","1") = "6"
    & skf21("6","7","6","6","1","1","6","1") = "6"
    & skf21("6","7","6","6","1","1","7","1") = "6"
    & skf21("6","7","6","6","1","2","1","1") = "6"
    & skf21("6","7","6","6","1","2","2","1") = "6"
    & skf21("6","7","6","6","1","2","3","1") = "6"
    & skf21("6","7","6","6","1","2","4","1") = "6"
    & skf21("6","7","6","6","1","2","5","1") = "6"
    & skf21("6","7","6","6","1","2","6","1") = "6"
    & skf21("6","7","6","6","1","2","7","1") = "6"
    & skf21("6","7","6","6","1","3","1","1") = "6"
    & skf21("6","7","6","6","1","3","2","1") = "6"
    & skf21("6","7","6","6","1","3","3","1") = "6"
    & skf21("6","7","6","6","1","3","4","1") = "6"
    & skf21("6","7","6","6","1","3","5","1") = "6"
    & skf21("6","7","6","6","1","3","6","1") = "6"
    & skf21("6","7","6","6","1","3","7","1") = "6"
    & skf21("6","7","6","6","1","4","1","1") = "6"
    & skf21("6","7","6","6","1","4","2","1") = "6"
    & skf21("6","7","6","6","1","4","3","1") = "6"
    & skf21("6","7","6","6","1","4","4","1") = "6"
    & skf21("6","7","6","6","1","4","5","1") = "6"
    & skf21("6","7","6","6","1","4","6","1") = "6"
    & skf21("6","7","6","6","1","4","7","1") = "6"
    & skf21("6","7","6","6","1","5","1","1") = "6"
    & skf21("6","7","6","6","1","5","2","1") = "6"
    & skf21("6","7","6","6","1","5","3","1") = "6"
    & skf21("6","7","6","6","1","5","4","1") = "6"
    & skf21("6","7","6","6","1","5","5","1") = "6"
    & skf21("6","7","6","6","1","5","6","1") = "6"
    & skf21("6","7","6","6","1","5","7","1") = "6"
    & skf21("6","7","6","6","1","6","1","1") = "6"
    & skf21("6","7","6","6","1","6","2","1") = "6"
    & skf21("6","7","6","6","1","6","3","1") = "6"
    & skf21("6","7","6","6","1","6","4","1") = "6"
    & skf21("6","7","6","6","1","6","5","1") = "6"
    & skf21("6","7","6","6","1","6","6","1") = "6"
    & skf21("6","7","6","6","1","6","7","1") = "6"
    & skf21("6","7","6","6","1","7","1","1") = "6"
    & skf21("6","7","6","6","1","7","2","1") = "6"
    & skf21("6","7","6","6","1","7","3","1") = "6"
    & skf21("6","7","6","6","1","7","4","1") = "6"
    & skf21("6","7","6","6","1","7","5","1") = "6"
    & skf21("6","7","6","6","1","7","6","1") = "6"
    & skf21("6","7","6","6","1","7","7","1") = "6"
    & skf21("6","7","6","6","2","1","1","1") = "6"
    & skf21("6","7","6","6","2","1","2","1") = "6"
    & skf21("6","7","6","6","2","1","3","1") = "6"
    & skf21("6","7","6","6","2","1","4","1") = "6"
    & skf21("6","7","6","6","2","1","5","1") = "6"
    & skf21("6","7","6","6","2","1","6","1") = "6"
    & skf21("6","7","6","6","2","1","7","1") = "6"
    & skf21("6","7","6","6","2","2","1","1") = "6"
    & skf21("6","7","6","6","2","2","2","1") = "6"
    & skf21("6","7","6","6","2","2","3","1") = "6"
    & skf21("6","7","6","6","2","2","4","1") = "6"
    & skf21("6","7","6","6","2","2","5","1") = "6"
    & skf21("6","7","6","6","2","2","6","1") = "6"
    & skf21("6","7","6","6","2","2","7","1") = "6"
    & skf21("6","7","6","6","2","3","1","1") = "6"
    & skf21("6","7","6","6","2","3","2","1") = "6"
    & skf21("6","7","6","6","2","3","3","1") = "6"
    & skf21("6","7","6","6","2","3","4","1") = "6"
    & skf21("6","7","6","6","2","3","5","1") = "6"
    & skf21("6","7","6","6","2","3","6","1") = "6"
    & skf21("6","7","6","6","2","3","7","1") = "6"
    & skf21("6","7","6","6","2","4","1","1") = "6"
    & skf21("6","7","6","6","2","4","2","1") = "6"
    & skf21("6","7","6","6","2","4","3","1") = "6"
    & skf21("6","7","6","6","2","4","4","1") = "6"
    & skf21("6","7","6","6","2","4","5","1") = "6"
    & skf21("6","7","6","6","2","4","6","1") = "6"
    & skf21("6","7","6","6","2","4","7","1") = "6"
    & skf21("6","7","6","6","2","5","1","1") = "6"
    & skf21("6","7","6","6","2","5","2","1") = "6"
    & skf21("6","7","6","6","2","5","3","1") = "6"
    & skf21("6","7","6","6","2","5","4","1") = "6"
    & skf21("6","7","6","6","2","5","5","1") = "6"
    & skf21("6","7","6","6","2","5","6","1") = "6"
    & skf21("6","7","6","6","2","5","7","1") = "6"
    & skf21("6","7","6","6","2","6","1","1") = "6"
    & skf21("6","7","6","6","2","6","2","1") = "6"
    & skf21("6","7","6","6","2","6","3","1") = "6"
    & skf21("6","7","6","6","2","6","4","1") = "6"
    & skf21("6","7","6","6","2","6","5","1") = "6"
    & skf21("6","7","6","6","2","6","6","1") = "6"
    & skf21("6","7","6","6","2","6","7","1") = "6"
    & skf21("6","7","6","6","2","7","1","1") = "6"
    & skf21("6","7","6","6","2","7","2","1") = "6"
    & skf21("6","7","6","6","2","7","3","1") = "6"
    & skf21("6","7","6","6","2","7","4","1") = "6"
    & skf21("6","7","6","6","2","7","5","1") = "6"
    & skf21("6","7","6","6","2","7","6","1") = "6"
    & skf21("6","7","6","6","2","7","7","1") = "6"
    & skf21("6","7","6","6","3","1","1","1") = "6"
    & skf21("6","7","6","6","3","1","2","1") = "6"
    & skf21("6","7","6","6","3","1","3","1") = "6"
    & skf21("6","7","6","6","3","1","4","1") = "6"
    & skf21("6","7","6","6","3","1","5","1") = "6"
    & skf21("6","7","6","6","3","1","6","1") = "6"
    & skf21("6","7","6","6","3","1","7","1") = "6"
    & skf21("6","7","6","6","3","2","1","1") = "6"
    & skf21("6","7","6","6","3","2","2","1") = "6"
    & skf21("6","7","6","6","3","2","3","1") = "6"
    & skf21("6","7","6","6","3","2","4","1") = "6"
    & skf21("6","7","6","6","3","2","5","1") = "6"
    & skf21("6","7","6","6","3","2","6","1") = "6"
    & skf21("6","7","6","6","3","2","7","1") = "6"
    & skf21("6","7","6","6","3","3","1","1") = "6"
    & skf21("6","7","6","6","3","3","2","1") = "6"
    & skf21("6","7","6","6","3","3","3","1") = "6"
    & skf21("6","7","6","6","3","3","4","1") = "6"
    & skf21("6","7","6","6","3","3","5","1") = "6"
    & skf21("6","7","6","6","3","3","6","1") = "6"
    & skf21("6","7","6","6","3","3","7","1") = "6"
    & skf21("6","7","6","6","3","4","1","1") = "6"
    & skf21("6","7","6","6","3","4","2","1") = "6"
    & skf21("6","7","6","6","3","4","3","1") = "6"
    & skf21("6","7","6","6","3","4","4","1") = "6"
    & skf21("6","7","6","6","3","4","5","1") = "6"
    & skf21("6","7","6","6","3","4","6","1") = "6"
    & skf21("6","7","6","6","3","4","7","1") = "6"
    & skf21("6","7","6","6","3","5","1","1") = "6"
    & skf21("6","7","6","6","3","5","2","1") = "6"
    & skf21("6","7","6","6","3","5","3","1") = "6"
    & skf21("6","7","6","6","3","5","4","1") = "6"
    & skf21("6","7","6","6","3","5","5","1") = "6"
    & skf21("6","7","6","6","3","5","6","1") = "6"
    & skf21("6","7","6","6","3","5","7","1") = "6"
    & skf21("6","7","6","6","3","6","1","1") = "6"
    & skf21("6","7","6","6","3","6","2","1") = "6"
    & skf21("6","7","6","6","3","6","3","1") = "6"
    & skf21("6","7","6","6","3","6","4","1") = "6"
    & skf21("6","7","6","6","3","6","5","1") = "6"
    & skf21("6","7","6","6","3","6","6","1") = "6"
    & skf21("6","7","6","6","3","6","7","1") = "6"
    & skf21("6","7","6","6","3","7","1","1") = "6"
    & skf21("6","7","6","6","3","7","2","1") = "6"
    & skf21("6","7","6","6","3","7","3","1") = "6"
    & skf21("6","7","6","6","3","7","4","1") = "6"
    & skf21("6","7","6","6","3","7","5","1") = "6"
    & skf21("6","7","6","6","3","7","6","1") = "6"
    & skf21("6","7","6","6","3","7","7","1") = "6"
    & skf21("6","7","6","6","4","1","1","1") = "6"
    & skf21("6","7","6","6","4","1","2","1") = "6"
    & skf21("6","7","6","6","4","1","3","1") = "6"
    & skf21("6","7","6","6","4","1","4","1") = "6"
    & skf21("6","7","6","6","4","1","5","1") = "6"
    & skf21("6","7","6","6","4","1","6","1") = "6"
    & skf21("6","7","6","6","4","1","7","1") = "6"
    & skf21("6","7","6","6","4","2","1","1") = "6"
    & skf21("6","7","6","6","4","2","2","1") = "6"
    & skf21("6","7","6","6","4","2","3","1") = "6"
    & skf21("6","7","6","6","4","2","4","1") = "6"
    & skf21("6","7","6","6","4","2","5","1") = "6"
    & skf21("6","7","6","6","4","2","6","1") = "6"
    & skf21("6","7","6","6","4","2","7","1") = "6"
    & skf21("6","7","6","6","4","3","1","1") = "6"
    & skf21("6","7","6","6","4","3","2","1") = "6"
    & skf21("6","7","6","6","4","3","3","1") = "6"
    & skf21("6","7","6","6","4","3","4","1") = "6"
    & skf21("6","7","6","6","4","3","5","1") = "6"
    & skf21("6","7","6","6","4","3","6","1") = "6"
    & skf21("6","7","6","6","4","3","7","1") = "6"
    & skf21("6","7","6","6","4","4","1","1") = "6"
    & skf21("6","7","6","6","4","4","2","1") = "6"
    & skf21("6","7","6","6","4","4","3","1") = "6"
    & skf21("6","7","6","6","4","4","4","1") = "6"
    & skf21("6","7","6","6","4","4","5","1") = "6"
    & skf21("6","7","6","6","4","4","6","1") = "6"
    & skf21("6","7","6","6","4","4","7","1") = "6"
    & skf21("6","7","6","6","4","5","1","1") = "6"
    & skf21("6","7","6","6","4","5","2","1") = "6"
    & skf21("6","7","6","6","4","5","3","1") = "6"
    & skf21("6","7","6","6","4","5","4","1") = "6"
    & skf21("6","7","6","6","4","5","5","1") = "6"
    & skf21("6","7","6","6","4","5","6","1") = "6"
    & skf21("6","7","6","6","4","5","7","1") = "6"
    & skf21("6","7","6","6","4","6","1","1") = "6"
    & skf21("6","7","6","6","4","6","2","1") = "6"
    & skf21("6","7","6","6","4","6","3","1") = "6"
    & skf21("6","7","6","6","4","6","4","1") = "6"
    & skf21("6","7","6","6","4","6","5","1") = "6"
    & skf21("6","7","6","6","4","6","6","1") = "6"
    & skf21("6","7","6","6","4","6","7","1") = "6"
    & skf21("6","7","6","6","4","7","1","1") = "6"
    & skf21("6","7","6","6","4","7","2","1") = "6"
    & skf21("6","7","6","6","4","7","3","1") = "6"
    & skf21("6","7","6","6","4","7","4","1") = "6"
    & skf21("6","7","6","6","4","7","5","1") = "6"
    & skf21("6","7","6","6","4","7","6","1") = "6"
    & skf21("6","7","6","6","4","7","7","1") = "6"
    & skf21("6","7","6","6","5","1","1","1") = "6"
    & skf21("6","7","6","6","5","1","2","1") = "6"
    & skf21("6","7","6","6","5","1","3","1") = "6"
    & skf21("6","7","6","6","5","1","4","1") = "6"
    & skf21("6","7","6","6","5","1","5","1") = "6"
    & skf21("6","7","6","6","5","1","6","1") = "6"
    & skf21("6","7","6","6","5","1","7","1") = "6"
    & skf21("6","7","6","6","5","2","1","1") = "6"
    & skf21("6","7","6","6","5","2","2","1") = "6"
    & skf21("6","7","6","6","5","2","3","1") = "6"
    & skf21("6","7","6","6","5","2","4","1") = "6"
    & skf21("6","7","6","6","5","2","5","1") = "6"
    & skf21("6","7","6","6","5","2","6","1") = "6"
    & skf21("6","7","6","6","5","2","7","1") = "6"
    & skf21("6","7","6","6","5","3","1","1") = "6"
    & skf21("6","7","6","6","5","3","2","1") = "6"
    & skf21("6","7","6","6","5","3","3","1") = "6"
    & skf21("6","7","6","6","5","3","4","1") = "6"
    & skf21("6","7","6","6","5","3","5","1") = "6"
    & skf21("6","7","6","6","5","3","6","1") = "6"
    & skf21("6","7","6","6","5","3","7","1") = "6"
    & skf21("6","7","6","6","5","4","1","1") = "6"
    & skf21("6","7","6","6","5","4","2","1") = "6"
    & skf21("6","7","6","6","5","4","3","1") = "6"
    & skf21("6","7","6","6","5","4","4","1") = "6"
    & skf21("6","7","6","6","5","4","5","1") = "6"
    & skf21("6","7","6","6","5","4","6","1") = "6"
    & skf21("6","7","6","6","5","4","7","1") = "6"
    & skf21("6","7","6","6","5","5","1","1") = "6"
    & skf21("6","7","6","6","5","5","2","1") = "6"
    & skf21("6","7","6","6","5","5","3","1") = "6"
    & skf21("6","7","6","6","5","5","4","1") = "6"
    & skf21("6","7","6","6","5","5","5","1") = "6"
    & skf21("6","7","6","6","5","5","6","1") = "6"
    & skf21("6","7","6","6","5","5","7","1") = "6"
    & skf21("6","7","6","6","5","6","1","1") = "6"
    & skf21("6","7","6","6","5","6","2","1") = "6"
    & skf21("6","7","6","6","5","6","3","1") = "6"
    & skf21("6","7","6","6","5","6","4","1") = "6"
    & skf21("6","7","6","6","5","6","5","1") = "6"
    & skf21("6","7","6","6","5","6","6","1") = "6"
    & skf21("6","7","6","6","5","6","7","1") = "6"
    & skf21("6","7","6","6","5","7","1","1") = "6"
    & skf21("6","7","6","6","5","7","2","1") = "6"
    & skf21("6","7","6","6","5","7","3","1") = "6"
    & skf21("6","7","6","6","5","7","4","1") = "6"
    & skf21("6","7","6","6","5","7","5","1") = "6"
    & skf21("6","7","6","6","5","7","6","1") = "6"
    & skf21("6","7","6","6","5","7","7","1") = "6"
    & skf21("6","7","6","6","6","1","1","1") = "6"
    & skf21("6","7","6","6","6","1","2","1") = "6"
    & skf21("6","7","6","6","6","1","3","1") = "6"
    & skf21("6","7","6","6","6","1","4","1") = "6"
    & skf21("6","7","6","6","6","1","5","1") = "6"
    & skf21("6","7","6","6","6","1","6","1") = "6"
    & skf21("6","7","6","6","6","1","7","1") = "6"
    & skf21("6","7","6","6","6","2","1","1") = "6"
    & skf21("6","7","6","6","6","2","2","1") = "6"
    & skf21("6","7","6","6","6","2","3","1") = "6"
    & skf21("6","7","6","6","6","2","4","1") = "6"
    & skf21("6","7","6","6","6","2","5","1") = "6"
    & skf21("6","7","6","6","6","2","6","1") = "6"
    & skf21("6","7","6","6","6","2","7","1") = "6"
    & skf21("6","7","6","6","6","3","1","1") = "6"
    & skf21("6","7","6","6","6","3","2","1") = "6"
    & skf21("6","7","6","6","6","3","3","1") = "6"
    & skf21("6","7","6","6","6","3","4","1") = "6"
    & skf21("6","7","6","6","6","3","5","1") = "6"
    & skf21("6","7","6","6","6","3","6","1") = "6"
    & skf21("6","7","6","6","6","3","7","1") = "6"
    & skf21("6","7","6","6","6","4","1","1") = "6"
    & skf21("6","7","6","6","6","4","2","1") = "6"
    & skf21("6","7","6","6","6","4","3","1") = "6"
    & skf21("6","7","6","6","6","4","4","1") = "6"
    & skf21("6","7","6","6","6","4","5","1") = "6"
    & skf21("6","7","6","6","6","4","6","1") = "6"
    & skf21("6","7","6","6","6","4","7","1") = "6"
    & skf21("6","7","6","6","6","5","1","1") = "6"
    & skf21("6","7","6","6","6","5","2","1") = "6"
    & skf21("6","7","6","6","6","5","3","1") = "6"
    & skf21("6","7","6","6","6","5","4","1") = "6"
    & skf21("6","7","6","6","6","5","5","1") = "6"
    & skf21("6","7","6","6","6","5","6","1") = "6"
    & skf21("6","7","6","6","6","5","7","1") = "6"
    & skf21("6","7","6","6","6","6","1","1") = "6"
    & skf21("6","7","6","6","6","6","2","1") = "6"
    & skf21("6","7","6","6","6","6","3","1") = "6"
    & skf21("6","7","6","6","6","6","4","1") = "6"
    & skf21("6","7","6","6","6","6","5","1") = "6"
    & skf21("6","7","6","6","6","6","6","1") = "6"
    & skf21("6","7","6","6","6","6","7","1") = "6"
    & skf21("6","7","6","6","6","7","1","1") = "6"
    & skf21("6","7","6","6","6","7","2","1") = "6"
    & skf21("6","7","6","6","6","7","3","1") = "6"
    & skf21("6","7","6","6","6","7","4","1") = "6"
    & skf21("6","7","6","6","6","7","5","1") = "6"
    & skf21("6","7","6","6","6","7","6","1") = "6"
    & skf21("6","7","6","6","6","7","7","1") = "6"
    & skf21("6","7","6","6","7","1","1","1") = "6"
    & skf21("6","7","6","6","7","1","2","1") = "6"
    & skf21("6","7","6","6","7","1","3","1") = "6"
    & skf21("6","7","6","6","7","1","4","1") = "6"
    & skf21("6","7","6","6","7","1","5","1") = "6"
    & skf21("6","7","6","6","7","1","6","1") = "6"
    & skf21("6","7","6","6","7","1","7","1") = "6"
    & skf21("6","7","6","6","7","2","1","1") = "6"
    & skf21("6","7","6","6","7","2","2","1") = "6"
    & skf21("6","7","6","6","7","2","3","1") = "6"
    & skf21("6","7","6","6","7","2","4","1") = "6"
    & skf21("6","7","6","6","7","2","5","1") = "6"
    & skf21("6","7","6","6","7","2","6","1") = "6"
    & skf21("6","7","6","6","7","2","7","1") = "6"
    & skf21("6","7","6","6","7","3","1","1") = "6"
    & skf21("6","7","6","6","7","3","2","1") = "6"
    & skf21("6","7","6","6","7","3","3","1") = "6"
    & skf21("6","7","6","6","7","3","4","1") = "6"
    & skf21("6","7","6","6","7","3","5","1") = "6"
    & skf21("6","7","6","6","7","3","6","1") = "6"
    & skf21("6","7","6","6","7","3","7","1") = "6"
    & skf21("6","7","6","6","7","4","1","1") = "6"
    & skf21("6","7","6","6","7","4","2","1") = "6"
    & skf21("6","7","6","6","7","4","3","1") = "6"
    & skf21("6","7","6","6","7","4","4","1") = "6"
    & skf21("6","7","6","6","7","4","5","1") = "6"
    & skf21("6","7","6","6","7","4","6","1") = "6"
    & skf21("6","7","6","6","7","4","7","1") = "6"
    & skf21("6","7","6","6","7","5","1","1") = "6"
    & skf21("6","7","6","6","7","5","2","1") = "6"
    & skf21("6","7","6","6","7","5","3","1") = "6"
    & skf21("6","7","6","6","7","5","4","1") = "6"
    & skf21("6","7","6","6","7","5","5","1") = "6"
    & skf21("6","7","6","6","7","5","6","1") = "6"
    & skf21("6","7","6","6","7","5","7","1") = "6"
    & skf21("6","7","6","6","7","6","1","1") = "6"
    & skf21("6","7","6","6","7","6","2","1") = "6"
    & skf21("6","7","6","6","7","6","3","1") = "6"
    & skf21("6","7","6","6","7","6","4","1") = "6"
    & skf21("6","7","6","6","7","6","5","1") = "6"
    & skf21("6","7","6","6","7","6","6","1") = "6"
    & skf21("6","7","6","6","7","6","7","1") = "6"
    & skf21("6","7","6","6","7","7","1","1") = "6"
    & skf21("6","7","6","6","7","7","2","1") = "6"
    & skf21("6","7","6","6","7","7","3","1") = "6"
    & skf21("6","7","6","6","7","7","4","1") = "6"
    & skf21("6","7","6","6","7","7","5","1") = "6"
    & skf21("6","7","6","6","7","7","6","1") = "6"
    & skf21("6","7","6","6","7","7","7","1") = "6"
    & skf21("6","7","6","7","1","1","1","1") = "6"
    & skf21("6","7","6","7","1","1","2","1") = "6"
    & skf21("6","7","6","7","1","1","3","1") = "6"
    & skf21("6","7","6","7","1","1","4","1") = "6"
    & skf21("6","7","6","7","1","1","5","1") = "6"
    & skf21("6","7","6","7","1","1","6","1") = "6"
    & skf21("6","7","6","7","1","1","7","1") = "6"
    & skf21("6","7","6","7","1","2","1","1") = "6"
    & skf21("6","7","6","7","1","2","2","1") = "6"
    & skf21("6","7","6","7","1","2","3","1") = "6"
    & skf21("6","7","6","7","1","2","4","1") = "6"
    & skf21("6","7","6","7","1","2","5","1") = "6"
    & skf21("6","7","6","7","1","2","6","1") = "6"
    & skf21("6","7","6","7","1","2","7","1") = "6"
    & skf21("6","7","6","7","1","3","1","1") = "6"
    & skf21("6","7","6","7","1","3","2","1") = "6"
    & skf21("6","7","6","7","1","3","3","1") = "6"
    & skf21("6","7","6","7","1","3","4","1") = "6"
    & skf21("6","7","6","7","1","3","5","1") = "6"
    & skf21("6","7","6","7","1","3","6","1") = "6"
    & skf21("6","7","6","7","1","3","7","1") = "6"
    & skf21("6","7","6","7","1","4","1","1") = "6"
    & skf21("6","7","6","7","1","4","2","1") = "6"
    & skf21("6","7","6","7","1","4","3","1") = "6"
    & skf21("6","7","6","7","1","4","4","1") = "6"
    & skf21("6","7","6","7","1","4","5","1") = "6"
    & skf21("6","7","6","7","1","4","6","1") = "6"
    & skf21("6","7","6","7","1","4","7","1") = "6"
    & skf21("6","7","6","7","1","5","1","1") = "6"
    & skf21("6","7","6","7","1","5","2","1") = "6"
    & skf21("6","7","6","7","1","5","3","1") = "6"
    & skf21("6","7","6","7","1","5","4","1") = "6"
    & skf21("6","7","6","7","1","5","5","1") = "6"
    & skf21("6","7","6","7","1","5","6","1") = "6"
    & skf21("6","7","6","7","1","5","7","1") = "6"
    & skf21("6","7","6","7","1","6","1","1") = "6"
    & skf21("6","7","6","7","1","6","2","1") = "6"
    & skf21("6","7","6","7","1","6","3","1") = "6"
    & skf21("6","7","6","7","1","6","4","1") = "6"
    & skf21("6","7","6","7","1","6","5","1") = "6"
    & skf21("6","7","6","7","1","6","6","1") = "6"
    & skf21("6","7","6","7","1","6","7","1") = "6"
    & skf21("6","7","6","7","1","7","1","1") = "6"
    & skf21("6","7","6","7","1","7","2","1") = "6"
    & skf21("6","7","6","7","1","7","3","1") = "6"
    & skf21("6","7","6","7","1","7","4","1") = "6"
    & skf21("6","7","6","7","1","7","5","1") = "6"
    & skf21("6","7","6","7","1","7","6","1") = "6"
    & skf21("6","7","6","7","1","7","7","1") = "6"
    & skf21("6","7","6","7","2","1","1","1") = "6"
    & skf21("6","7","6","7","2","1","2","1") = "6"
    & skf21("6","7","6","7","2","1","3","1") = "6"
    & skf21("6","7","6","7","2","1","4","1") = "6"
    & skf21("6","7","6","7","2","1","5","1") = "6"
    & skf21("6","7","6","7","2","1","6","1") = "6"
    & skf21("6","7","6","7","2","1","7","1") = "6"
    & skf21("6","7","6","7","2","2","1","1") = "6"
    & skf21("6","7","6","7","2","2","2","1") = "6"
    & skf21("6","7","6","7","2","2","3","1") = "6"
    & skf21("6","7","6","7","2","2","4","1") = "6"
    & skf21("6","7","6","7","2","2","5","1") = "6"
    & skf21("6","7","6","7","2","2","6","1") = "6"
    & skf21("6","7","6","7","2","2","7","1") = "6"
    & skf21("6","7","6","7","2","3","1","1") = "6"
    & skf21("6","7","6","7","2","3","2","1") = "6"
    & skf21("6","7","6","7","2","3","3","1") = "6"
    & skf21("6","7","6","7","2","3","4","1") = "6"
    & skf21("6","7","6","7","2","3","5","1") = "6"
    & skf21("6","7","6","7","2","3","6","1") = "6"
    & skf21("6","7","6","7","2","3","7","1") = "6"
    & skf21("6","7","6","7","2","4","1","1") = "6"
    & skf21("6","7","6","7","2","4","2","1") = "6"
    & skf21("6","7","6","7","2","4","3","1") = "6"
    & skf21("6","7","6","7","2","4","4","1") = "6"
    & skf21("6","7","6","7","2","4","5","1") = "6"
    & skf21("6","7","6","7","2","4","6","1") = "6"
    & skf21("6","7","6","7","2","4","7","1") = "6"
    & skf21("6","7","6","7","2","5","1","1") = "6"
    & skf21("6","7","6","7","2","5","2","1") = "6"
    & skf21("6","7","6","7","2","5","3","1") = "6"
    & skf21("6","7","6","7","2","5","4","1") = "6"
    & skf21("6","7","6","7","2","5","5","1") = "6"
    & skf21("6","7","6","7","2","5","6","1") = "6"
    & skf21("6","7","6","7","2","5","7","1") = "6"
    & skf21("6","7","6","7","2","6","1","1") = "6"
    & skf21("6","7","6","7","2","6","2","1") = "6"
    & skf21("6","7","6","7","2","6","3","1") = "6"
    & skf21("6","7","6","7","2","6","4","1") = "6"
    & skf21("6","7","6","7","2","6","5","1") = "6"
    & skf21("6","7","6","7","2","6","6","1") = "6"
    & skf21("6","7","6","7","2","6","7","1") = "6"
    & skf21("6","7","6","7","2","7","1","1") = "6"
    & skf21("6","7","6","7","2","7","2","1") = "6"
    & skf21("6","7","6","7","2","7","3","1") = "6"
    & skf21("6","7","6","7","2","7","4","1") = "6"
    & skf21("6","7","6","7","2","7","5","1") = "6"
    & skf21("6","7","6","7","2","7","6","1") = "6"
    & skf21("6","7","6","7","2","7","7","1") = "6"
    & skf21("6","7","6","7","3","1","1","1") = "6"
    & skf21("6","7","6","7","3","1","2","1") = "6"
    & skf21("6","7","6","7","3","1","3","1") = "6"
    & skf21("6","7","6","7","3","1","4","1") = "6"
    & skf21("6","7","6","7","3","1","5","1") = "6"
    & skf21("6","7","6","7","3","1","6","1") = "6"
    & skf21("6","7","6","7","3","1","7","1") = "6"
    & skf21("6","7","6","7","3","2","1","1") = "6"
    & skf21("6","7","6","7","3","2","2","1") = "6"
    & skf21("6","7","6","7","3","2","3","1") = "6"
    & skf21("6","7","6","7","3","2","4","1") = "6"
    & skf21("6","7","6","7","3","2","5","1") = "6"
    & skf21("6","7","6","7","3","2","6","1") = "6"
    & skf21("6","7","6","7","3","2","7","1") = "6"
    & skf21("6","7","6","7","3","3","1","1") = "6"
    & skf21("6","7","6","7","3","3","2","1") = "6"
    & skf21("6","7","6","7","3","3","3","1") = "6"
    & skf21("6","7","6","7","3","3","4","1") = "6"
    & skf21("6","7","6","7","3","3","5","1") = "6"
    & skf21("6","7","6","7","3","3","6","1") = "6"
    & skf21("6","7","6","7","3","3","7","1") = "6"
    & skf21("6","7","6","7","3","4","1","1") = "6"
    & skf21("6","7","6","7","3","4","2","1") = "6"
    & skf21("6","7","6","7","3","4","3","1") = "6"
    & skf21("6","7","6","7","3","4","4","1") = "6"
    & skf21("6","7","6","7","3","4","5","1") = "6"
    & skf21("6","7","6","7","3","4","6","1") = "6"
    & skf21("6","7","6","7","3","4","7","1") = "6"
    & skf21("6","7","6","7","3","5","1","1") = "6"
    & skf21("6","7","6","7","3","5","2","1") = "6"
    & skf21("6","7","6","7","3","5","3","1") = "6"
    & skf21("6","7","6","7","3","5","4","1") = "6"
    & skf21("6","7","6","7","3","5","5","1") = "6"
    & skf21("6","7","6","7","3","5","6","1") = "6"
    & skf21("6","7","6","7","3","5","7","1") = "6"
    & skf21("6","7","6","7","3","6","1","1") = "6"
    & skf21("6","7","6","7","3","6","2","1") = "6"
    & skf21("6","7","6","7","3","6","3","1") = "6"
    & skf21("6","7","6","7","3","6","4","1") = "6"
    & skf21("6","7","6","7","3","6","5","1") = "6"
    & skf21("6","7","6","7","3","6","6","1") = "6"
    & skf21("6","7","6","7","3","6","7","1") = "6"
    & skf21("6","7","6","7","3","7","1","1") = "6"
    & skf21("6","7","6","7","3","7","2","1") = "6"
    & skf21("6","7","6","7","3","7","3","1") = "6"
    & skf21("6","7","6","7","3","7","4","1") = "6"
    & skf21("6","7","6","7","3","7","5","1") = "6"
    & skf21("6","7","6","7","3","7","6","1") = "6"
    & skf21("6","7","6","7","3","7","7","1") = "6"
    & skf21("6","7","6","7","4","1","1","1") = "6"
    & skf21("6","7","6","7","4","1","2","1") = "6"
    & skf21("6","7","6","7","4","1","3","1") = "6"
    & skf21("6","7","6","7","4","1","4","1") = "6"
    & skf21("6","7","6","7","4","1","5","1") = "6"
    & skf21("6","7","6","7","4","1","6","1") = "6"
    & skf21("6","7","6","7","4","1","7","1") = "6"
    & skf21("6","7","6","7","4","2","1","1") = "6"
    & skf21("6","7","6","7","4","2","2","1") = "6"
    & skf21("6","7","6","7","4","2","3","1") = "6"
    & skf21("6","7","6","7","4","2","4","1") = "6"
    & skf21("6","7","6","7","4","2","5","1") = "6"
    & skf21("6","7","6","7","4","2","6","1") = "6"
    & skf21("6","7","6","7","4","2","7","1") = "6"
    & skf21("6","7","6","7","4","3","1","1") = "6"
    & skf21("6","7","6","7","4","3","2","1") = "6"
    & skf21("6","7","6","7","4","3","3","1") = "6"
    & skf21("6","7","6","7","4","3","4","1") = "6"
    & skf21("6","7","6","7","4","3","5","1") = "6"
    & skf21("6","7","6","7","4","3","6","1") = "6"
    & skf21("6","7","6","7","4","3","7","1") = "6"
    & skf21("6","7","6","7","4","4","1","1") = "6"
    & skf21("6","7","6","7","4","4","2","1") = "6"
    & skf21("6","7","6","7","4","4","3","1") = "6"
    & skf21("6","7","6","7","4","4","4","1") = "6"
    & skf21("6","7","6","7","4","4","5","1") = "6"
    & skf21("6","7","6","7","4","4","6","1") = "6"
    & skf21("6","7","6","7","4","4","7","1") = "6"
    & skf21("6","7","6","7","4","5","1","1") = "6"
    & skf21("6","7","6","7","4","5","2","1") = "6"
    & skf21("6","7","6","7","4","5","3","1") = "6"
    & skf21("6","7","6","7","4","5","4","1") = "6"
    & skf21("6","7","6","7","4","5","5","1") = "6"
    & skf21("6","7","6","7","4","5","6","1") = "6"
    & skf21("6","7","6","7","4","5","7","1") = "6"
    & skf21("6","7","6","7","4","6","1","1") = "6"
    & skf21("6","7","6","7","4","6","2","1") = "6"
    & skf21("6","7","6","7","4","6","3","1") = "6"
    & skf21("6","7","6","7","4","6","4","1") = "6"
    & skf21("6","7","6","7","4","6","5","1") = "6"
    & skf21("6","7","6","7","4","6","6","1") = "6"
    & skf21("6","7","6","7","4","6","7","1") = "6"
    & skf21("6","7","6","7","4","7","1","1") = "6"
    & skf21("6","7","6","7","4","7","2","1") = "6"
    & skf21("6","7","6","7","4","7","3","1") = "6"
    & skf21("6","7","6","7","4","7","4","1") = "6"
    & skf21("6","7","6","7","4","7","5","1") = "6"
    & skf21("6","7","6","7","4","7","6","1") = "6"
    & skf21("6","7","6","7","4","7","7","1") = "6"
    & skf21("6","7","6","7","5","1","1","1") = "6"
    & skf21("6","7","6","7","5","1","2","1") = "6"
    & skf21("6","7","6","7","5","1","3","1") = "6"
    & skf21("6","7","6","7","5","1","4","1") = "6"
    & skf21("6","7","6","7","5","1","5","1") = "6"
    & skf21("6","7","6","7","5","1","6","1") = "6"
    & skf21("6","7","6","7","5","1","7","1") = "6"
    & skf21("6","7","6","7","5","2","1","1") = "6"
    & skf21("6","7","6","7","5","2","2","1") = "6"
    & skf21("6","7","6","7","5","2","3","1") = "6"
    & skf21("6","7","6","7","5","2","4","1") = "6"
    & skf21("6","7","6","7","5","2","5","1") = "6"
    & skf21("6","7","6","7","5","2","6","1") = "6"
    & skf21("6","7","6","7","5","2","7","1") = "6"
    & skf21("6","7","6","7","5","3","1","1") = "6"
    & skf21("6","7","6","7","5","3","2","1") = "6"
    & skf21("6","7","6","7","5","3","3","1") = "6"
    & skf21("6","7","6","7","5","3","4","1") = "6"
    & skf21("6","7","6","7","5","3","5","1") = "6"
    & skf21("6","7","6","7","5","3","6","1") = "6"
    & skf21("6","7","6","7","5","3","7","1") = "6"
    & skf21("6","7","6","7","5","4","1","1") = "6"
    & skf21("6","7","6","7","5","4","2","1") = "6"
    & skf21("6","7","6","7","5","4","3","1") = "6"
    & skf21("6","7","6","7","5","4","4","1") = "6"
    & skf21("6","7","6","7","5","4","5","1") = "6"
    & skf21("6","7","6","7","5","4","6","1") = "6"
    & skf21("6","7","6","7","5","4","7","1") = "6"
    & skf21("6","7","6","7","5","5","1","1") = "6"
    & skf21("6","7","6","7","5","5","2","1") = "6"
    & skf21("6","7","6","7","5","5","3","1") = "6"
    & skf21("6","7","6","7","5","5","4","1") = "6"
    & skf21("6","7","6","7","5","5","5","1") = "6"
    & skf21("6","7","6","7","5","5","6","1") = "6"
    & skf21("6","7","6","7","5","5","7","1") = "6"
    & skf21("6","7","6","7","5","6","1","1") = "6"
    & skf21("6","7","6","7","5","6","2","1") = "6"
    & skf21("6","7","6","7","5","6","3","1") = "6"
    & skf21("6","7","6","7","5","6","4","1") = "6"
    & skf21("6","7","6","7","5","6","5","1") = "6"
    & skf21("6","7","6","7","5","6","6","1") = "6"
    & skf21("6","7","6","7","5","6","7","1") = "6"
    & skf21("6","7","6","7","5","7","1","1") = "6"
    & skf21("6","7","6","7","5","7","2","1") = "6"
    & skf21("6","7","6","7","5","7","3","1") = "6"
    & skf21("6","7","6","7","5","7","4","1") = "6"
    & skf21("6","7","6","7","5","7","5","1") = "6"
    & skf21("6","7","6","7","5","7","6","1") = "6"
    & skf21("6","7","6","7","5","7","7","1") = "6"
    & skf21("6","7","6","7","6","1","1","1") = "6"
    & skf21("6","7","6","7","6","1","2","1") = "6"
    & skf21("6","7","6","7","6","1","3","1") = "6"
    & skf21("6","7","6","7","6","1","4","1") = "6"
    & skf21("6","7","6","7","6","1","5","1") = "6"
    & skf21("6","7","6","7","6","1","6","1") = "6"
    & skf21("6","7","6","7","6","1","7","1") = "6"
    & skf21("6","7","6","7","6","2","1","1") = "6"
    & skf21("6","7","6","7","6","2","2","1") = "6"
    & skf21("6","7","6","7","6","2","3","1") = "6"
    & skf21("6","7","6","7","6","2","4","1") = "6"
    & skf21("6","7","6","7","6","2","5","1") = "6"
    & skf21("6","7","6","7","6","2","6","1") = "6"
    & skf21("6","7","6","7","6","2","7","1") = "6"
    & skf21("6","7","6","7","6","3","1","1") = "6"
    & skf21("6","7","6","7","6","3","2","1") = "6"
    & skf21("6","7","6","7","6","3","3","1") = "6"
    & skf21("6","7","6","7","6","3","4","1") = "6"
    & skf21("6","7","6","7","6","3","5","1") = "6"
    & skf21("6","7","6","7","6","3","6","1") = "6"
    & skf21("6","7","6","7","6","3","7","1") = "6"
    & skf21("6","7","6","7","6","4","1","1") = "6"
    & skf21("6","7","6","7","6","4","2","1") = "6"
    & skf21("6","7","6","7","6","4","3","1") = "6"
    & skf21("6","7","6","7","6","4","4","1") = "6"
    & skf21("6","7","6","7","6","4","5","1") = "6"
    & skf21("6","7","6","7","6","4","6","1") = "6"
    & skf21("6","7","6","7","6","4","7","1") = "6"
    & skf21("6","7","6","7","6","5","1","1") = "6"
    & skf21("6","7","6","7","6","5","2","1") = "6"
    & skf21("6","7","6","7","6","5","3","1") = "6"
    & skf21("6","7","6","7","6","5","4","1") = "6"
    & skf21("6","7","6","7","6","5","5","1") = "6"
    & skf21("6","7","6","7","6","5","6","1") = "6"
    & skf21("6","7","6","7","6","5","7","1") = "6"
    & skf21("6","7","6","7","6","6","1","1") = "6"
    & skf21("6","7","6","7","6","6","2","1") = "6"
    & skf21("6","7","6","7","6","6","3","1") = "6"
    & skf21("6","7","6","7","6","6","4","1") = "6"
    & skf21("6","7","6","7","6","6","5","1") = "6"
    & skf21("6","7","6","7","6","6","6","1") = "6"
    & skf21("6","7","6","7","6","6","7","1") = "6"
    & skf21("6","7","6","7","6","7","1","1") = "6"
    & skf21("6","7","6","7","6","7","2","1") = "6"
    & skf21("6","7","6","7","6","7","3","1") = "6"
    & skf21("6","7","6","7","6","7","4","1") = "6"
    & skf21("6","7","6","7","6","7","5","1") = "6"
    & skf21("6","7","6","7","6","7","6","1") = "6"
    & skf21("6","7","6","7","6","7","7","1") = "6"
    & skf21("6","7","6","7","7","1","1","1") = "6"
    & skf21("6","7","6","7","7","1","2","1") = "6"
    & skf21("6","7","6","7","7","1","3","1") = "6"
    & skf21("6","7","6","7","7","1","4","1") = "6"
    & skf21("6","7","6","7","7","1","5","1") = "6"
    & skf21("6","7","6","7","7","1","6","1") = "6"
    & skf21("6","7","6","7","7","1","7","1") = "6"
    & skf21("6","7","6","7","7","2","1","1") = "6"
    & skf21("6","7","6","7","7","2","2","1") = "6"
    & skf21("6","7","6","7","7","2","3","1") = "6"
    & skf21("6","7","6","7","7","2","4","1") = "6"
    & skf21("6","7","6","7","7","2","5","1") = "6"
    & skf21("6","7","6","7","7","2","6","1") = "6"
    & skf21("6","7","6","7","7","2","7","1") = "6"
    & skf21("6","7","6","7","7","3","1","1") = "6"
    & skf21("6","7","6","7","7","3","2","1") = "6"
    & skf21("6","7","6","7","7","3","3","1") = "6"
    & skf21("6","7","6","7","7","3","4","1") = "6"
    & skf21("6","7","6","7","7","3","5","1") = "6"
    & skf21("6","7","6","7","7","3","6","1") = "6"
    & skf21("6","7","6","7","7","3","7","1") = "6"
    & skf21("6","7","6","7","7","4","1","1") = "6"
    & skf21("6","7","6","7","7","4","2","1") = "6"
    & skf21("6","7","6","7","7","4","3","1") = "6"
    & skf21("6","7","6","7","7","4","4","1") = "6"
    & skf21("6","7","6","7","7","4","5","1") = "6"
    & skf21("6","7","6","7","7","4","6","1") = "6"
    & skf21("6","7","6","7","7","4","7","1") = "6"
    & skf21("6","7","6","7","7","5","1","1") = "6"
    & skf21("6","7","6","7","7","5","2","1") = "6"
    & skf21("6","7","6","7","7","5","3","1") = "6"
    & skf21("6","7","6","7","7","5","4","1") = "6"
    & skf21("6","7","6","7","7","5","5","1") = "6"
    & skf21("6","7","6","7","7","5","6","1") = "6"
    & skf21("6","7","6","7","7","5","7","1") = "6"
    & skf21("6","7","6","7","7","6","1","1") = "6"
    & skf21("6","7","6","7","7","6","2","1") = "6"
    & skf21("6","7","6","7","7","6","3","1") = "6"
    & skf21("6","7","6","7","7","6","4","1") = "6"
    & skf21("6","7","6","7","7","6","5","1") = "6"
    & skf21("6","7","6","7","7","6","6","1") = "6"
    & skf21("6","7","6","7","7","6","7","1") = "6"
    & skf21("6","7","6","7","7","7","1","1") = "6"
    & skf21("6","7","6","7","7","7","2","1") = "6"
    & skf21("6","7","6","7","7","7","3","1") = "6"
    & skf21("6","7","6","7","7","7","4","1") = "6"
    & skf21("6","7","6","7","7","7","5","1") = "6"
    & skf21("6","7","6","7","7","7","6","1") = "6"
    & skf21("6","7","6","7","7","7","7","1") = "6"
    & skf21("6","7","7","1","1","1","1","1") = "6"
    & skf21("6","7","7","1","1","1","2","1") = "6"
    & skf21("6","7","7","1","1","1","3","1") = "6"
    & skf21("6","7","7","1","1","1","4","1") = "6"
    & skf21("6","7","7","1","1","1","5","1") = "6"
    & skf21("6","7","7","1","1","1","6","1") = "6"
    & skf21("6","7","7","1","1","1","7","1") = "6"
    & skf21("6","7","7","1","1","2","1","1") = "6"
    & skf21("6","7","7","1","1","2","2","1") = "6"
    & skf21("6","7","7","1","1","2","3","1") = "6"
    & skf21("6","7","7","1","1","2","4","1") = "6"
    & skf21("6","7","7","1","1","2","5","1") = "6"
    & skf21("6","7","7","1","1","2","6","1") = "6"
    & skf21("6","7","7","1","1","2","7","1") = "6"
    & skf21("6","7","7","1","1","3","1","1") = "6"
    & skf21("6","7","7","1","1","3","2","1") = "6"
    & skf21("6","7","7","1","1","3","3","1") = "6"
    & skf21("6","7","7","1","1","3","4","1") = "6"
    & skf21("6","7","7","1","1","3","5","1") = "6"
    & skf21("6","7","7","1","1","3","6","1") = "6"
    & skf21("6","7","7","1","1","3","7","1") = "6"
    & skf21("6","7","7","1","1","4","1","1") = "6"
    & skf21("6","7","7","1","1","4","2","1") = "6"
    & skf21("6","7","7","1","1","4","3","1") = "6"
    & skf21("6","7","7","1","1","4","4","1") = "6"
    & skf21("6","7","7","1","1","4","5","1") = "6"
    & skf21("6","7","7","1","1","4","6","1") = "6"
    & skf21("6","7","7","1","1","4","7","1") = "6"
    & skf21("6","7","7","1","1","5","1","1") = "6"
    & skf21("6","7","7","1","1","5","2","1") = "6"
    & skf21("6","7","7","1","1","5","3","1") = "6"
    & skf21("6","7","7","1","1","5","4","1") = "6"
    & skf21("6","7","7","1","1","5","5","1") = "6"
    & skf21("6","7","7","1","1","5","6","1") = "6"
    & skf21("6","7","7","1","1","5","7","1") = "6"
    & skf21("6","7","7","1","1","6","1","1") = "6"
    & skf21("6","7","7","1","1","6","2","1") = "6"
    & skf21("6","7","7","1","1","6","3","1") = "6"
    & skf21("6","7","7","1","1","6","4","1") = "6"
    & skf21("6","7","7","1","1","6","5","1") = "6"
    & skf21("6","7","7","1","1","6","6","1") = "6"
    & skf21("6","7","7","1","1","6","7","1") = "6"
    & skf21("6","7","7","1","1","7","1","1") = "6"
    & skf21("6","7","7","1","1","7","2","1") = "6"
    & skf21("6","7","7","1","1","7","3","1") = "6"
    & skf21("6","7","7","1","1","7","4","1") = "6"
    & skf21("6","7","7","1","1","7","5","1") = "6"
    & skf21("6","7","7","1","1","7","6","1") = "6"
    & skf21("6","7","7","1","1","7","7","1") = "6"
    & skf21("6","7","7","1","2","1","1","1") = "6"
    & skf21("6","7","7","1","2","1","2","1") = "6"
    & skf21("6","7","7","1","2","1","3","1") = "6"
    & skf21("6","7","7","1","2","1","4","1") = "6"
    & skf21("6","7","7","1","2","1","5","1") = "6"
    & skf21("6","7","7","1","2","1","6","1") = "6"
    & skf21("6","7","7","1","2","1","7","1") = "6"
    & skf21("6","7","7","1","2","2","1","1") = "6"
    & skf21("6","7","7","1","2","2","2","1") = "6"
    & skf21("6","7","7","1","2","2","3","1") = "6"
    & skf21("6","7","7","1","2","2","4","1") = "6"
    & skf21("6","7","7","1","2","2","5","1") = "6"
    & skf21("6","7","7","1","2","2","6","1") = "6"
    & skf21("6","7","7","1","2","2","7","1") = "6"
    & skf21("6","7","7","1","2","3","1","1") = "6"
    & skf21("6","7","7","1","2","3","2","1") = "6"
    & skf21("6","7","7","1","2","3","3","1") = "6"
    & skf21("6","7","7","1","2","3","4","1") = "6"
    & skf21("6","7","7","1","2","3","5","1") = "6"
    & skf21("6","7","7","1","2","3","6","1") = "6"
    & skf21("6","7","7","1","2","3","7","1") = "6"
    & skf21("6","7","7","1","2","4","1","1") = "6"
    & skf21("6","7","7","1","2","4","2","1") = "6"
    & skf21("6","7","7","1","2","4","3","1") = "6"
    & skf21("6","7","7","1","2","4","4","1") = "6"
    & skf21("6","7","7","1","2","4","5","1") = "6"
    & skf21("6","7","7","1","2","4","6","1") = "6"
    & skf21("6","7","7","1","2","4","7","1") = "6"
    & skf21("6","7","7","1","2","5","1","1") = "6"
    & skf21("6","7","7","1","2","5","2","1") = "6"
    & skf21("6","7","7","1","2","5","3","1") = "6"
    & skf21("6","7","7","1","2","5","4","1") = "6"
    & skf21("6","7","7","1","2","5","5","1") = "6"
    & skf21("6","7","7","1","2","5","6","1") = "6"
    & skf21("6","7","7","1","2","5","7","1") = "6"
    & skf21("6","7","7","1","2","6","1","1") = "6"
    & skf21("6","7","7","1","2","6","2","1") = "6"
    & skf21("6","7","7","1","2","6","3","1") = "6"
    & skf21("6","7","7","1","2","6","4","1") = "6"
    & skf21("6","7","7","1","2","6","5","1") = "6"
    & skf21("6","7","7","1","2","6","6","1") = "6"
    & skf21("6","7","7","1","2","6","7","1") = "6"
    & skf21("6","7","7","1","2","7","1","1") = "6"
    & skf21("6","7","7","1","2","7","2","1") = "6"
    & skf21("6","7","7","1","2","7","3","1") = "6"
    & skf21("6","7","7","1","2","7","4","1") = "6"
    & skf21("6","7","7","1","2","7","5","1") = "6"
    & skf21("6","7","7","1","2","7","6","1") = "6"
    & skf21("6","7","7","1","2","7","7","1") = "6"
    & skf21("6","7","7","1","3","1","1","1") = "6"
    & skf21("6","7","7","1","3","1","2","1") = "6"
    & skf21("6","7","7","1","3","1","3","1") = "6"
    & skf21("6","7","7","1","3","1","4","1") = "6"
    & skf21("6","7","7","1","3","1","5","1") = "6"
    & skf21("6","7","7","1","3","1","6","1") = "6"
    & skf21("6","7","7","1","3","1","7","1") = "6"
    & skf21("6","7","7","1","3","2","1","1") = "6"
    & skf21("6","7","7","1","3","2","2","1") = "6"
    & skf21("6","7","7","1","3","2","3","1") = "6"
    & skf21("6","7","7","1","3","2","4","1") = "6"
    & skf21("6","7","7","1","3","2","5","1") = "6"
    & skf21("6","7","7","1","3","2","6","1") = "6"
    & skf21("6","7","7","1","3","2","7","1") = "6"
    & skf21("6","7","7","1","3","3","1","1") = "6"
    & skf21("6","7","7","1","3","3","2","1") = "6"
    & skf21("6","7","7","1","3","3","3","1") = "6"
    & skf21("6","7","7","1","3","3","4","1") = "6"
    & skf21("6","7","7","1","3","3","5","1") = "6"
    & skf21("6","7","7","1","3","3","6","1") = "6"
    & skf21("6","7","7","1","3","3","7","1") = "6"
    & skf21("6","7","7","1","3","4","1","1") = "6"
    & skf21("6","7","7","1","3","4","2","1") = "6"
    & skf21("6","7","7","1","3","4","3","1") = "6"
    & skf21("6","7","7","1","3","4","4","1") = "6"
    & skf21("6","7","7","1","3","4","5","1") = "6"
    & skf21("6","7","7","1","3","4","6","1") = "6"
    & skf21("6","7","7","1","3","4","7","1") = "6"
    & skf21("6","7","7","1","3","5","1","1") = "6"
    & skf21("6","7","7","1","3","5","2","1") = "6"
    & skf21("6","7","7","1","3","5","3","1") = "6"
    & skf21("6","7","7","1","3","5","4","1") = "6"
    & skf21("6","7","7","1","3","5","5","1") = "6"
    & skf21("6","7","7","1","3","5","6","1") = "6"
    & skf21("6","7","7","1","3","5","7","1") = "6"
    & skf21("6","7","7","1","3","6","1","1") = "6"
    & skf21("6","7","7","1","3","6","2","1") = "6"
    & skf21("6","7","7","1","3","6","3","1") = "6"
    & skf21("6","7","7","1","3","6","4","1") = "6"
    & skf21("6","7","7","1","3","6","5","1") = "6"
    & skf21("6","7","7","1","3","6","6","1") = "6"
    & skf21("6","7","7","1","3","6","7","1") = "6"
    & skf21("6","7","7","1","3","7","1","1") = "6"
    & skf21("6","7","7","1","3","7","2","1") = "6"
    & skf21("6","7","7","1","3","7","3","1") = "6"
    & skf21("6","7","7","1","3","7","4","1") = "6"
    & skf21("6","7","7","1","3","7","5","1") = "6"
    & skf21("6","7","7","1","3","7","6","1") = "6"
    & skf21("6","7","7","1","3","7","7","1") = "6"
    & skf21("6","7","7","1","4","1","1","1") = "6"
    & skf21("6","7","7","1","4","1","2","1") = "6"
    & skf21("6","7","7","1","4","1","3","1") = "6"
    & skf21("6","7","7","1","4","1","4","1") = "6"
    & skf21("6","7","7","1","4","1","5","1") = "6"
    & skf21("6","7","7","1","4","1","6","1") = "6"
    & skf21("6","7","7","1","4","1","7","1") = "6"
    & skf21("6","7","7","1","4","2","1","1") = "6"
    & skf21("6","7","7","1","4","2","2","1") = "6"
    & skf21("6","7","7","1","4","2","3","1") = "6"
    & skf21("6","7","7","1","4","2","4","1") = "6"
    & skf21("6","7","7","1","4","2","5","1") = "6"
    & skf21("6","7","7","1","4","2","6","1") = "6"
    & skf21("6","7","7","1","4","2","7","1") = "6"
    & skf21("6","7","7","1","4","3","1","1") = "6"
    & skf21("6","7","7","1","4","3","2","1") = "6"
    & skf21("6","7","7","1","4","3","3","1") = "6"
    & skf21("6","7","7","1","4","3","4","1") = "6"
    & skf21("6","7","7","1","4","3","5","1") = "6"
    & skf21("6","7","7","1","4","3","6","1") = "6"
    & skf21("6","7","7","1","4","3","7","1") = "6"
    & skf21("6","7","7","1","4","4","1","1") = "6"
    & skf21("6","7","7","1","4","4","2","1") = "6"
    & skf21("6","7","7","1","4","4","3","1") = "6"
    & skf21("6","7","7","1","4","4","4","1") = "6"
    & skf21("6","7","7","1","4","4","5","1") = "6"
    & skf21("6","7","7","1","4","4","6","1") = "6"
    & skf21("6","7","7","1","4","4","7","1") = "6"
    & skf21("6","7","7","1","4","5","1","1") = "6"
    & skf21("6","7","7","1","4","5","2","1") = "6"
    & skf21("6","7","7","1","4","5","3","1") = "6"
    & skf21("6","7","7","1","4","5","4","1") = "6"
    & skf21("6","7","7","1","4","5","5","1") = "6"
    & skf21("6","7","7","1","4","5","6","1") = "6"
    & skf21("6","7","7","1","4","5","7","1") = "6"
    & skf21("6","7","7","1","4","6","1","1") = "6"
    & skf21("6","7","7","1","4","6","2","1") = "6"
    & skf21("6","7","7","1","4","6","3","1") = "6"
    & skf21("6","7","7","1","4","6","4","1") = "6"
    & skf21("6","7","7","1","4","6","5","1") = "6"
    & skf21("6","7","7","1","4","6","6","1") = "6"
    & skf21("6","7","7","1","4","6","7","1") = "6"
    & skf21("6","7","7","1","4","7","1","1") = "6"
    & skf21("6","7","7","1","4","7","2","1") = "6"
    & skf21("6","7","7","1","4","7","3","1") = "6"
    & skf21("6","7","7","1","4","7","4","1") = "6"
    & skf21("6","7","7","1","4","7","5","1") = "6"
    & skf21("6","7","7","1","4","7","6","1") = "6"
    & skf21("6","7","7","1","4","7","7","1") = "6"
    & skf21("6","7","7","1","5","1","1","1") = "6"
    & skf21("6","7","7","1","5","1","2","1") = "6"
    & skf21("6","7","7","1","5","1","3","1") = "6"
    & skf21("6","7","7","1","5","1","4","1") = "6"
    & skf21("6","7","7","1","5","1","5","1") = "6"
    & skf21("6","7","7","1","5","1","6","1") = "6"
    & skf21("6","7","7","1","5","1","7","1") = "6"
    & skf21("6","7","7","1","5","2","1","1") = "6"
    & skf21("6","7","7","1","5","2","2","1") = "6"
    & skf21("6","7","7","1","5","2","3","1") = "6"
    & skf21("6","7","7","1","5","2","4","1") = "6"
    & skf21("6","7","7","1","5","2","5","1") = "6"
    & skf21("6","7","7","1","5","2","6","1") = "6"
    & skf21("6","7","7","1","5","2","7","1") = "6"
    & skf21("6","7","7","1","5","3","1","1") = "6"
    & skf21("6","7","7","1","5","3","2","1") = "6"
    & skf21("6","7","7","1","5","3","3","1") = "6"
    & skf21("6","7","7","1","5","3","4","1") = "6"
    & skf21("6","7","7","1","5","3","5","1") = "6"
    & skf21("6","7","7","1","5","3","6","1") = "6"
    & skf21("6","7","7","1","5","3","7","1") = "6"
    & skf21("6","7","7","1","5","4","1","1") = "6"
    & skf21("6","7","7","1","5","4","2","1") = "6"
    & skf21("6","7","7","1","5","4","3","1") = "6"
    & skf21("6","7","7","1","5","4","4","1") = "6"
    & skf21("6","7","7","1","5","4","5","1") = "6"
    & skf21("6","7","7","1","5","4","6","1") = "6"
    & skf21("6","7","7","1","5","4","7","1") = "6"
    & skf21("6","7","7","1","5","5","1","1") = "6"
    & skf21("6","7","7","1","5","5","2","1") = "6"
    & skf21("6","7","7","1","5","5","3","1") = "6"
    & skf21("6","7","7","1","5","5","4","1") = "6"
    & skf21("6","7","7","1","5","5","5","1") = "6"
    & skf21("6","7","7","1","5","5","6","1") = "6"
    & skf21("6","7","7","1","5","5","7","1") = "6"
    & skf21("6","7","7","1","5","6","1","1") = "6"
    & skf21("6","7","7","1","5","6","2","1") = "6"
    & skf21("6","7","7","1","5","6","3","1") = "6"
    & skf21("6","7","7","1","5","6","4","1") = "6"
    & skf21("6","7","7","1","5","6","5","1") = "6"
    & skf21("6","7","7","1","5","6","6","1") = "6"
    & skf21("6","7","7","1","5","6","7","1") = "6"
    & skf21("6","7","7","1","5","7","1","1") = "6"
    & skf21("6","7","7","1","5","7","2","1") = "6"
    & skf21("6","7","7","1","5","7","3","1") = "6"
    & skf21("6","7","7","1","5","7","4","1") = "6"
    & skf21("6","7","7","1","5","7","5","1") = "6"
    & skf21("6","7","7","1","5","7","6","1") = "6"
    & skf21("6","7","7","1","5","7","7","1") = "6"
    & skf21("6","7","7","1","6","1","1","1") = "6"
    & skf21("6","7","7","1","6","1","2","1") = "6"
    & skf21("6","7","7","1","6","1","3","1") = "6"
    & skf21("6","7","7","1","6","1","4","1") = "6"
    & skf21("6","7","7","1","6","1","5","1") = "6"
    & skf21("6","7","7","1","6","1","6","1") = "6"
    & skf21("6","7","7","1","6","1","7","1") = "6"
    & skf21("6","7","7","1","6","2","1","1") = "6"
    & skf21("6","7","7","1","6","2","2","1") = "6"
    & skf21("6","7","7","1","6","2","3","1") = "6"
    & skf21("6","7","7","1","6","2","4","1") = "6"
    & skf21("6","7","7","1","6","2","5","1") = "6"
    & skf21("6","7","7","1","6","2","6","1") = "6"
    & skf21("6","7","7","1","6","2","7","1") = "6"
    & skf21("6","7","7","1","6","3","1","1") = "6"
    & skf21("6","7","7","1","6","3","2","1") = "6"
    & skf21("6","7","7","1","6","3","3","1") = "6"
    & skf21("6","7","7","1","6","3","4","1") = "6"
    & skf21("6","7","7","1","6","3","5","1") = "6"
    & skf21("6","7","7","1","6","3","6","1") = "6"
    & skf21("6","7","7","1","6","3","7","1") = "6"
    & skf21("6","7","7","1","6","4","1","1") = "6"
    & skf21("6","7","7","1","6","4","2","1") = "6"
    & skf21("6","7","7","1","6","4","3","1") = "6"
    & skf21("6","7","7","1","6","4","4","1") = "6"
    & skf21("6","7","7","1","6","4","5","1") = "6"
    & skf21("6","7","7","1","6","4","6","1") = "6"
    & skf21("6","7","7","1","6","4","7","1") = "6"
    & skf21("6","7","7","1","6","5","1","1") = "6"
    & skf21("6","7","7","1","6","5","2","1") = "6"
    & skf21("6","7","7","1","6","5","3","1") = "6"
    & skf21("6","7","7","1","6","5","4","1") = "6"
    & skf21("6","7","7","1","6","5","5","1") = "6"
    & skf21("6","7","7","1","6","5","6","1") = "6"
    & skf21("6","7","7","1","6","5","7","1") = "6"
    & skf21("6","7","7","1","6","6","1","1") = "6"
    & skf21("6","7","7","1","6","6","2","1") = "6"
    & skf21("6","7","7","1","6","6","3","1") = "6"
    & skf21("6","7","7","1","6","6","4","1") = "6"
    & skf21("6","7","7","1","6","6","5","1") = "6"
    & skf21("6","7","7","1","6","6","6","1") = "6"
    & skf21("6","7","7","1","6","6","7","1") = "6"
    & skf21("6","7","7","1","6","7","1","1") = "6"
    & skf21("6","7","7","1","6","7","2","1") = "6"
    & skf21("6","7","7","1","6","7","3","1") = "6"
    & skf21("6","7","7","1","6","7","4","1") = "6"
    & skf21("6","7","7","1","6","7","5","1") = "6"
    & skf21("6","7","7","1","6","7","6","1") = "6"
    & skf21("6","7","7","1","6","7","7","1") = "6"
    & skf21("6","7","7","1","7","1","1","1") = "6"
    & skf21("6","7","7","1","7","1","2","1") = "6"
    & skf21("6","7","7","1","7","1","3","1") = "6"
    & skf21("6","7","7","1","7","1","4","1") = "6"
    & skf21("6","7","7","1","7","1","5","1") = "6"
    & skf21("6","7","7","1","7","1","6","1") = "6"
    & skf21("6","7","7","1","7","1","7","1") = "6"
    & skf21("6","7","7","1","7","2","1","1") = "6"
    & skf21("6","7","7","1","7","2","2","1") = "6"
    & skf21("6","7","7","1","7","2","3","1") = "6"
    & skf21("6","7","7","1","7","2","4","1") = "6"
    & skf21("6","7","7","1","7","2","5","1") = "6"
    & skf21("6","7","7","1","7","2","6","1") = "6"
    & skf21("6","7","7","1","7","2","7","1") = "6"
    & skf21("6","7","7","1","7","3","1","1") = "6"
    & skf21("6","7","7","1","7","3","2","1") = "6"
    & skf21("6","7","7","1","7","3","3","1") = "6"
    & skf21("6","7","7","1","7","3","4","1") = "6"
    & skf21("6","7","7","1","7","3","5","1") = "6"
    & skf21("6","7","7","1","7","3","6","1") = "6"
    & skf21("6","7","7","1","7","3","7","1") = "6"
    & skf21("6","7","7","1","7","4","1","1") = "6"
    & skf21("6","7","7","1","7","4","2","1") = "6"
    & skf21("6","7","7","1","7","4","3","1") = "6"
    & skf21("6","7","7","1","7","4","4","1") = "6"
    & skf21("6","7","7","1","7","4","5","1") = "6"
    & skf21("6","7","7","1","7","4","6","1") = "6"
    & skf21("6","7","7","1","7","4","7","1") = "6"
    & skf21("6","7","7","1","7","5","1","1") = "6"
    & skf21("6","7","7","1","7","5","2","1") = "6"
    & skf21("6","7","7","1","7","5","3","1") = "6"
    & skf21("6","7","7","1","7","5","4","1") = "6"
    & skf21("6","7","7","1","7","5","5","1") = "6"
    & skf21("6","7","7","1","7","5","6","1") = "6"
    & skf21("6","7","7","1","7","5","7","1") = "6"
    & skf21("6","7","7","1","7","6","1","1") = "6"
    & skf21("6","7","7","1","7","6","2","1") = "6"
    & skf21("6","7","7","1","7","6","3","1") = "6"
    & skf21("6","7","7","1","7","6","4","1") = "6"
    & skf21("6","7","7","1","7","6","5","1") = "6"
    & skf21("6","7","7","1","7","6","6","1") = "6"
    & skf21("6","7","7","1","7","6","7","1") = "6"
    & skf21("6","7","7","1","7","7","1","1") = "6"
    & skf21("6","7","7","1","7","7","2","1") = "6"
    & skf21("6","7","7","1","7","7","3","1") = "6"
    & skf21("6","7","7","1","7","7","4","1") = "6"
    & skf21("6","7","7","1","7","7","5","1") = "6"
    & skf21("6","7","7","1","7","7","6","1") = "6"
    & skf21("6","7","7","1","7","7","7","1") = "6"
    & skf21("6","7","7","2","1","1","1","1") = "6"
    & skf21("6","7","7","2","1","1","2","1") = "6"
    & skf21("6","7","7","2","1","1","3","1") = "6"
    & skf21("6","7","7","2","1","1","4","1") = "6"
    & skf21("6","7","7","2","1","1","5","1") = "6"
    & skf21("6","7","7","2","1","1","6","1") = "6"
    & skf21("6","7","7","2","1","1","7","1") = "6"
    & skf21("6","7","7","2","1","2","1","1") = "6"
    & skf21("6","7","7","2","1","2","2","1") = "6"
    & skf21("6","7","7","2","1","2","3","1") = "6"
    & skf21("6","7","7","2","1","2","4","1") = "6"
    & skf21("6","7","7","2","1","2","5","1") = "6"
    & skf21("6","7","7","2","1","2","6","1") = "6"
    & skf21("6","7","7","2","1","2","7","1") = "6"
    & skf21("6","7","7","2","1","3","1","1") = "6"
    & skf21("6","7","7","2","1","3","2","1") = "6"
    & skf21("6","7","7","2","1","3","3","1") = "6"
    & skf21("6","7","7","2","1","3","4","1") = "6"
    & skf21("6","7","7","2","1","3","5","1") = "6"
    & skf21("6","7","7","2","1","3","6","1") = "6"
    & skf21("6","7","7","2","1","3","7","1") = "6"
    & skf21("6","7","7","2","1","4","1","1") = "6"
    & skf21("6","7","7","2","1","4","2","1") = "6"
    & skf21("6","7","7","2","1","4","3","1") = "6"
    & skf21("6","7","7","2","1","4","4","1") = "6"
    & skf21("6","7","7","2","1","4","5","1") = "6"
    & skf21("6","7","7","2","1","4","6","1") = "6"
    & skf21("6","7","7","2","1","4","7","1") = "6"
    & skf21("6","7","7","2","1","5","1","1") = "6"
    & skf21("6","7","7","2","1","5","2","1") = "6"
    & skf21("6","7","7","2","1","5","3","1") = "6"
    & skf21("6","7","7","2","1","5","4","1") = "6"
    & skf21("6","7","7","2","1","5","5","1") = "6"
    & skf21("6","7","7","2","1","5","6","1") = "6"
    & skf21("6","7","7","2","1","5","7","1") = "6"
    & skf21("6","7","7","2","1","6","1","1") = "6"
    & skf21("6","7","7","2","1","6","2","1") = "6"
    & skf21("6","7","7","2","1","6","3","1") = "6"
    & skf21("6","7","7","2","1","6","4","1") = "6"
    & skf21("6","7","7","2","1","6","5","1") = "6"
    & skf21("6","7","7","2","1","6","6","1") = "6"
    & skf21("6","7","7","2","1","6","7","1") = "6"
    & skf21("6","7","7","2","1","7","1","1") = "6"
    & skf21("6","7","7","2","1","7","2","1") = "6"
    & skf21("6","7","7","2","1","7","3","1") = "6"
    & skf21("6","7","7","2","1","7","4","1") = "6"
    & skf21("6","7","7","2","1","7","5","1") = "6"
    & skf21("6","7","7","2","1","7","6","1") = "6"
    & skf21("6","7","7","2","1","7","7","1") = "6"
    & skf21("6","7","7","2","2","1","1","1") = "6"
    & skf21("6","7","7","2","2","1","2","1") = "6"
    & skf21("6","7","7","2","2","1","3","1") = "6"
    & skf21("6","7","7","2","2","1","4","1") = "6"
    & skf21("6","7","7","2","2","1","5","1") = "6"
    & skf21("6","7","7","2","2","1","6","1") = "6"
    & skf21("6","7","7","2","2","1","7","1") = "6"
    & skf21("6","7","7","2","2","2","1","1") = "6"
    & skf21("6","7","7","2","2","2","2","1") = "6"
    & skf21("6","7","7","2","2","2","3","1") = "6"
    & skf21("6","7","7","2","2","2","4","1") = "6"
    & skf21("6","7","7","2","2","2","5","1") = "6"
    & skf21("6","7","7","2","2","2","6","1") = "6"
    & skf21("6","7","7","2","2","2","7","1") = "6"
    & skf21("6","7","7","2","2","3","1","1") = "6"
    & skf21("6","7","7","2","2","3","2","1") = "6"
    & skf21("6","7","7","2","2","3","3","1") = "6"
    & skf21("6","7","7","2","2","3","4","1") = "6"
    & skf21("6","7","7","2","2","3","5","1") = "6"
    & skf21("6","7","7","2","2","3","6","1") = "6"
    & skf21("6","7","7","2","2","3","7","1") = "6"
    & skf21("6","7","7","2","2","4","1","1") = "6"
    & skf21("6","7","7","2","2","4","2","1") = "6"
    & skf21("6","7","7","2","2","4","3","1") = "6"
    & skf21("6","7","7","2","2","4","4","1") = "6"
    & skf21("6","7","7","2","2","4","5","1") = "6"
    & skf21("6","7","7","2","2","4","6","1") = "6"
    & skf21("6","7","7","2","2","4","7","1") = "6"
    & skf21("6","7","7","2","2","5","1","1") = "6"
    & skf21("6","7","7","2","2","5","2","1") = "6"
    & skf21("6","7","7","2","2","5","3","1") = "6"
    & skf21("6","7","7","2","2","5","4","1") = "6"
    & skf21("6","7","7","2","2","5","5","1") = "6"
    & skf21("6","7","7","2","2","5","6","1") = "6"
    & skf21("6","7","7","2","2","5","7","1") = "6"
    & skf21("6","7","7","2","2","6","1","1") = "6"
    & skf21("6","7","7","2","2","6","2","1") = "6"
    & skf21("6","7","7","2","2","6","3","1") = "6"
    & skf21("6","7","7","2","2","6","4","1") = "6"
    & skf21("6","7","7","2","2","6","5","1") = "6"
    & skf21("6","7","7","2","2","6","6","1") = "6"
    & skf21("6","7","7","2","2","6","7","1") = "6"
    & skf21("6","7","7","2","2","7","1","1") = "6"
    & skf21("6","7","7","2","2","7","2","1") = "6"
    & skf21("6","7","7","2","2","7","3","1") = "6"
    & skf21("6","7","7","2","2","7","4","1") = "6"
    & skf21("6","7","7","2","2","7","5","1") = "6"
    & skf21("6","7","7","2","2","7","6","1") = "6"
    & skf21("6","7","7","2","2","7","7","1") = "6"
    & skf21("6","7","7","2","3","1","1","1") = "6"
    & skf21("6","7","7","2","3","1","2","1") = "6"
    & skf21("6","7","7","2","3","1","3","1") = "6"
    & skf21("6","7","7","2","3","1","4","1") = "6"
    & skf21("6","7","7","2","3","1","5","1") = "6"
    & skf21("6","7","7","2","3","1","6","1") = "6"
    & skf21("6","7","7","2","3","1","7","1") = "6"
    & skf21("6","7","7","2","3","2","1","1") = "6"
    & skf21("6","7","7","2","3","2","2","1") = "6"
    & skf21("6","7","7","2","3","2","3","1") = "6"
    & skf21("6","7","7","2","3","2","4","1") = "6"
    & skf21("6","7","7","2","3","2","5","1") = "6"
    & skf21("6","7","7","2","3","2","6","1") = "6"
    & skf21("6","7","7","2","3","2","7","1") = "6"
    & skf21("6","7","7","2","3","3","1","1") = "6"
    & skf21("6","7","7","2","3","3","2","1") = "6"
    & skf21("6","7","7","2","3","3","3","1") = "6"
    & skf21("6","7","7","2","3","3","4","1") = "6"
    & skf21("6","7","7","2","3","3","5","1") = "6"
    & skf21("6","7","7","2","3","3","6","1") = "6"
    & skf21("6","7","7","2","3","3","7","1") = "6"
    & skf21("6","7","7","2","3","4","1","1") = "6"
    & skf21("6","7","7","2","3","4","2","1") = "6"
    & skf21("6","7","7","2","3","4","3","1") = "6"
    & skf21("6","7","7","2","3","4","4","1") = "6"
    & skf21("6","7","7","2","3","4","5","1") = "6"
    & skf21("6","7","7","2","3","4","6","1") = "6"
    & skf21("6","7","7","2","3","4","7","1") = "6"
    & skf21("6","7","7","2","3","5","1","1") = "6"
    & skf21("6","7","7","2","3","5","2","1") = "6"
    & skf21("6","7","7","2","3","5","3","1") = "6"
    & skf21("6","7","7","2","3","5","4","1") = "6"
    & skf21("6","7","7","2","3","5","5","1") = "6"
    & skf21("6","7","7","2","3","5","6","1") = "6"
    & skf21("6","7","7","2","3","5","7","1") = "6"
    & skf21("6","7","7","2","3","6","1","1") = "6"
    & skf21("6","7","7","2","3","6","2","1") = "6"
    & skf21("6","7","7","2","3","6","3","1") = "6"
    & skf21("6","7","7","2","3","6","4","1") = "6"
    & skf21("6","7","7","2","3","6","5","1") = "6"
    & skf21("6","7","7","2","3","6","6","1") = "6"
    & skf21("6","7","7","2","3","6","7","1") = "6"
    & skf21("6","7","7","2","3","7","1","1") = "6"
    & skf21("6","7","7","2","3","7","2","1") = "6"
    & skf21("6","7","7","2","3","7","3","1") = "6"
    & skf21("6","7","7","2","3","7","4","1") = "6"
    & skf21("6","7","7","2","3","7","5","1") = "6"
    & skf21("6","7","7","2","3","7","6","1") = "6"
    & skf21("6","7","7","2","3","7","7","1") = "6"
    & skf21("6","7","7","2","4","1","1","1") = "6"
    & skf21("6","7","7","2","4","1","2","1") = "6"
    & skf21("6","7","7","2","4","1","3","1") = "6"
    & skf21("6","7","7","2","4","1","4","1") = "6"
    & skf21("6","7","7","2","4","1","5","1") = "6"
    & skf21("6","7","7","2","4","1","6","1") = "6"
    & skf21("6","7","7","2","4","1","7","1") = "6"
    & skf21("6","7","7","2","4","2","1","1") = "6"
    & skf21("6","7","7","2","4","2","2","1") = "6"
    & skf21("6","7","7","2","4","2","3","1") = "6"
    & skf21("6","7","7","2","4","2","4","1") = "6"
    & skf21("6","7","7","2","4","2","5","1") = "6"
    & skf21("6","7","7","2","4","2","6","1") = "6"
    & skf21("6","7","7","2","4","2","7","1") = "6"
    & skf21("6","7","7","2","4","3","1","1") = "6"
    & skf21("6","7","7","2","4","3","2","1") = "6"
    & skf21("6","7","7","2","4","3","3","1") = "6"
    & skf21("6","7","7","2","4","3","4","1") = "6"
    & skf21("6","7","7","2","4","3","5","1") = "6"
    & skf21("6","7","7","2","4","3","6","1") = "6"
    & skf21("6","7","7","2","4","3","7","1") = "6"
    & skf21("6","7","7","2","4","4","1","1") = "6"
    & skf21("6","7","7","2","4","4","2","1") = "6"
    & skf21("6","7","7","2","4","4","3","1") = "6"
    & skf21("6","7","7","2","4","4","4","1") = "6"
    & skf21("6","7","7","2","4","4","5","1") = "6"
    & skf21("6","7","7","2","4","4","6","1") = "6"
    & skf21("6","7","7","2","4","4","7","1") = "6"
    & skf21("6","7","7","2","4","5","1","1") = "6"
    & skf21("6","7","7","2","4","5","2","1") = "6"
    & skf21("6","7","7","2","4","5","3","1") = "6"
    & skf21("6","7","7","2","4","5","4","1") = "6"
    & skf21("6","7","7","2","4","5","5","1") = "6"
    & skf21("6","7","7","2","4","5","6","1") = "6"
    & skf21("6","7","7","2","4","5","7","1") = "6"
    & skf21("6","7","7","2","4","6","1","1") = "6"
    & skf21("6","7","7","2","4","6","2","1") = "6"
    & skf21("6","7","7","2","4","6","3","1") = "6"
    & skf21("6","7","7","2","4","6","4","1") = "6"
    & skf21("6","7","7","2","4","6","5","1") = "6"
    & skf21("6","7","7","2","4","6","6","1") = "6"
    & skf21("6","7","7","2","4","6","7","1") = "6"
    & skf21("6","7","7","2","4","7","1","1") = "6"
    & skf21("6","7","7","2","4","7","2","1") = "6"
    & skf21("6","7","7","2","4","7","3","1") = "6"
    & skf21("6","7","7","2","4","7","4","1") = "6"
    & skf21("6","7","7","2","4","7","5","1") = "6"
    & skf21("6","7","7","2","4","7","6","1") = "6"
    & skf21("6","7","7","2","4","7","7","1") = "6"
    & skf21("6","7","7","2","5","1","1","1") = "6"
    & skf21("6","7","7","2","5","1","2","1") = "6"
    & skf21("6","7","7","2","5","1","3","1") = "6"
    & skf21("6","7","7","2","5","1","4","1") = "6"
    & skf21("6","7","7","2","5","1","5","1") = "6"
    & skf21("6","7","7","2","5","1","6","1") = "6"
    & skf21("6","7","7","2","5","1","7","1") = "6"
    & skf21("6","7","7","2","5","2","1","1") = "6"
    & skf21("6","7","7","2","5","2","2","1") = "6"
    & skf21("6","7","7","2","5","2","3","1") = "6"
    & skf21("6","7","7","2","5","2","4","1") = "6"
    & skf21("6","7","7","2","5","2","5","1") = "6"
    & skf21("6","7","7","2","5","2","6","1") = "6"
    & skf21("6","7","7","2","5","2","7","1") = "6"
    & skf21("6","7","7","2","5","3","1","1") = "6"
    & skf21("6","7","7","2","5","3","2","1") = "6"
    & skf21("6","7","7","2","5","3","3","1") = "6"
    & skf21("6","7","7","2","5","3","4","1") = "6"
    & skf21("6","7","7","2","5","3","5","1") = "6"
    & skf21("6","7","7","2","5","3","6","1") = "6"
    & skf21("6","7","7","2","5","3","7","1") = "6"
    & skf21("6","7","7","2","5","4","1","1") = "6"
    & skf21("6","7","7","2","5","4","2","1") = "6"
    & skf21("6","7","7","2","5","4","3","1") = "6"
    & skf21("6","7","7","2","5","4","4","1") = "6"
    & skf21("6","7","7","2","5","4","5","1") = "6"
    & skf21("6","7","7","2","5","4","6","1") = "6"
    & skf21("6","7","7","2","5","4","7","1") = "6"
    & skf21("6","7","7","2","5","5","1","1") = "6"
    & skf21("6","7","7","2","5","5","2","1") = "6"
    & skf21("6","7","7","2","5","5","3","1") = "6"
    & skf21("6","7","7","2","5","5","4","1") = "6"
    & skf21("6","7","7","2","5","5","5","1") = "6"
    & skf21("6","7","7","2","5","5","6","1") = "6"
    & skf21("6","7","7","2","5","5","7","1") = "6"
    & skf21("6","7","7","2","5","6","1","1") = "6"
    & skf21("6","7","7","2","5","6","2","1") = "6"
    & skf21("6","7","7","2","5","6","3","1") = "6"
    & skf21("6","7","7","2","5","6","4","1") = "6"
    & skf21("6","7","7","2","5","6","5","1") = "6"
    & skf21("6","7","7","2","5","6","6","1") = "6"
    & skf21("6","7","7","2","5","6","7","1") = "6"
    & skf21("6","7","7","2","5","7","1","1") = "6"
    & skf21("6","7","7","2","5","7","2","1") = "6"
    & skf21("6","7","7","2","5","7","3","1") = "6"
    & skf21("6","7","7","2","5","7","4","1") = "6"
    & skf21("6","7","7","2","5","7","5","1") = "6"
    & skf21("6","7","7","2","5","7","6","1") = "6"
    & skf21("6","7","7","2","5","7","7","1") = "6"
    & skf21("6","7","7","2","6","1","1","1") = "6"
    & skf21("6","7","7","2","6","1","2","1") = "6"
    & skf21("6","7","7","2","6","1","3","1") = "6"
    & skf21("6","7","7","2","6","1","4","1") = "6"
    & skf21("6","7","7","2","6","1","5","1") = "6"
    & skf21("6","7","7","2","6","1","6","1") = "6"
    & skf21("6","7","7","2","6","1","7","1") = "6"
    & skf21("6","7","7","2","6","2","1","1") = "6"
    & skf21("6","7","7","2","6","2","2","1") = "6"
    & skf21("6","7","7","2","6","2","3","1") = "6"
    & skf21("6","7","7","2","6","2","4","1") = "6"
    & skf21("6","7","7","2","6","2","5","1") = "6"
    & skf21("6","7","7","2","6","2","6","1") = "6"
    & skf21("6","7","7","2","6","2","7","1") = "6"
    & skf21("6","7","7","2","6","3","1","1") = "6"
    & skf21("6","7","7","2","6","3","2","1") = "6"
    & skf21("6","7","7","2","6","3","3","1") = "6"
    & skf21("6","7","7","2","6","3","4","1") = "6"
    & skf21("6","7","7","2","6","3","5","1") = "6"
    & skf21("6","7","7","2","6","3","6","1") = "6"
    & skf21("6","7","7","2","6","3","7","1") = "6"
    & skf21("6","7","7","2","6","4","1","1") = "6"
    & skf21("6","7","7","2","6","4","2","1") = "6"
    & skf21("6","7","7","2","6","4","3","1") = "6"
    & skf21("6","7","7","2","6","4","4","1") = "6"
    & skf21("6","7","7","2","6","4","5","1") = "6"
    & skf21("6","7","7","2","6","4","6","1") = "6"
    & skf21("6","7","7","2","6","4","7","1") = "6"
    & skf21("6","7","7","2","6","5","1","1") = "6"
    & skf21("6","7","7","2","6","5","2","1") = "6"
    & skf21("6","7","7","2","6","5","3","1") = "6"
    & skf21("6","7","7","2","6","5","4","1") = "6"
    & skf21("6","7","7","2","6","5","5","1") = "6"
    & skf21("6","7","7","2","6","5","6","1") = "6"
    & skf21("6","7","7","2","6","5","7","1") = "6"
    & skf21("6","7","7","2","6","6","1","1") = "6"
    & skf21("6","7","7","2","6","6","2","1") = "6"
    & skf21("6","7","7","2","6","6","3","1") = "6"
    & skf21("6","7","7","2","6","6","4","1") = "6"
    & skf21("6","7","7","2","6","6","5","1") = "6"
    & skf21("6","7","7","2","6","6","6","1") = "6"
    & skf21("6","7","7","2","6","6","7","1") = "6"
    & skf21("6","7","7","2","6","7","1","1") = "6"
    & skf21("6","7","7","2","6","7","2","1") = "6"
    & skf21("6","7","7","2","6","7","3","1") = "6"
    & skf21("6","7","7","2","6","7","4","1") = "6"
    & skf21("6","7","7","2","6","7","5","1") = "6"
    & skf21("6","7","7","2","6","7","6","1") = "6"
    & skf21("6","7","7","2","6","7","7","1") = "6"
    & skf21("6","7","7","2","7","1","1","1") = "6"
    & skf21("6","7","7","2","7","1","2","1") = "6"
    & skf21("6","7","7","2","7","1","3","1") = "6"
    & skf21("6","7","7","2","7","1","4","1") = "6"
    & skf21("6","7","7","2","7","1","5","1") = "6"
    & skf21("6","7","7","2","7","1","6","1") = "6"
    & skf21("6","7","7","2","7","1","7","1") = "6"
    & skf21("6","7","7","2","7","2","1","1") = "6"
    & skf21("6","7","7","2","7","2","2","1") = "6"
    & skf21("6","7","7","2","7","2","3","1") = "6"
    & skf21("6","7","7","2","7","2","4","1") = "6"
    & skf21("6","7","7","2","7","2","5","1") = "6"
    & skf21("6","7","7","2","7","2","6","1") = "6"
    & skf21("6","7","7","2","7","2","7","1") = "6"
    & skf21("6","7","7","2","7","3","1","1") = "6"
    & skf21("6","7","7","2","7","3","2","1") = "6"
    & skf21("6","7","7","2","7","3","3","1") = "6"
    & skf21("6","7","7","2","7","3","4","1") = "6"
    & skf21("6","7","7","2","7","3","5","1") = "6"
    & skf21("6","7","7","2","7","3","6","1") = "6"
    & skf21("6","7","7","2","7","3","7","1") = "6"
    & skf21("6","7","7","2","7","4","1","1") = "6"
    & skf21("6","7","7","2","7","4","2","1") = "6"
    & skf21("6","7","7","2","7","4","3","1") = "6"
    & skf21("6","7","7","2","7","4","4","1") = "6"
    & skf21("6","7","7","2","7","4","5","1") = "6"
    & skf21("6","7","7","2","7","4","6","1") = "6"
    & skf21("6","7","7","2","7","4","7","1") = "6"
    & skf21("6","7","7","2","7","5","1","1") = "6"
    & skf21("6","7","7","2","7","5","2","1") = "6"
    & skf21("6","7","7","2","7","5","3","1") = "6"
    & skf21("6","7","7","2","7","5","4","1") = "6"
    & skf21("6","7","7","2","7","5","5","1") = "6"
    & skf21("6","7","7","2","7","5","6","1") = "6"
    & skf21("6","7","7","2","7","5","7","1") = "6"
    & skf21("6","7","7","2","7","6","1","1") = "6"
    & skf21("6","7","7","2","7","6","2","1") = "6"
    & skf21("6","7","7","2","7","6","3","1") = "6"
    & skf21("6","7","7","2","7","6","4","1") = "6"
    & skf21("6","7","7","2","7","6","5","1") = "6"
    & skf21("6","7","7","2","7","6","6","1") = "6"
    & skf21("6","7","7","2","7","6","7","1") = "6"
    & skf21("6","7","7","2","7","7","1","1") = "6"
    & skf21("6","7","7","2","7","7","2","1") = "6"
    & skf21("6","7","7","2","7","7","3","1") = "6"
    & skf21("6","7","7","2","7","7","4","1") = "6"
    & skf21("6","7","7","2","7","7","5","1") = "6"
    & skf21("6","7","7","2","7","7","6","1") = "6"
    & skf21("6","7","7","2","7","7","7","1") = "6"
    & skf21("6","7","7","3","1","1","1","1") = "6"
    & skf21("6","7","7","3","1","1","2","1") = "6"
    & skf21("6","7","7","3","1","1","3","1") = "6"
    & skf21("6","7","7","3","1","1","4","1") = "6"
    & skf21("6","7","7","3","1","1","5","1") = "6"
    & skf21("6","7","7","3","1","1","6","1") = "6"
    & skf21("6","7","7","3","1","1","7","1") = "6"
    & skf21("6","7","7","3","1","2","1","1") = "6"
    & skf21("6","7","7","3","1","2","2","1") = "6"
    & skf21("6","7","7","3","1","2","3","1") = "6"
    & skf21("6","7","7","3","1","2","4","1") = "6"
    & skf21("6","7","7","3","1","2","5","1") = "6"
    & skf21("6","7","7","3","1","2","6","1") = "6"
    & skf21("6","7","7","3","1","2","7","1") = "6"
    & skf21("6","7","7","3","1","3","1","1") = "6"
    & skf21("6","7","7","3","1","3","2","1") = "6"
    & skf21("6","7","7","3","1","3","3","1") = "6"
    & skf21("6","7","7","3","1","3","4","1") = "6"
    & skf21("6","7","7","3","1","3","5","1") = "6"
    & skf21("6","7","7","3","1","3","6","1") = "6"
    & skf21("6","7","7","3","1","3","7","1") = "6"
    & skf21("6","7","7","3","1","4","1","1") = "6"
    & skf21("6","7","7","3","1","4","2","1") = "6"
    & skf21("6","7","7","3","1","4","3","1") = "6"
    & skf21("6","7","7","3","1","4","4","1") = "6"
    & skf21("6","7","7","3","1","4","5","1") = "6"
    & skf21("6","7","7","3","1","4","6","1") = "6"
    & skf21("6","7","7","3","1","4","7","1") = "6"
    & skf21("6","7","7","3","1","5","1","1") = "6"
    & skf21("6","7","7","3","1","5","2","1") = "6"
    & skf21("6","7","7","3","1","5","3","1") = "6"
    & skf21("6","7","7","3","1","5","4","1") = "6"
    & skf21("6","7","7","3","1","5","5","1") = "6"
    & skf21("6","7","7","3","1","5","6","1") = "6"
    & skf21("6","7","7","3","1","5","7","1") = "6"
    & skf21("6","7","7","3","1","6","1","1") = "6"
    & skf21("6","7","7","3","1","6","2","1") = "6"
    & skf21("6","7","7","3","1","6","3","1") = "6"
    & skf21("6","7","7","3","1","6","4","1") = "6"
    & skf21("6","7","7","3","1","6","5","1") = "6"
    & skf21("6","7","7","3","1","6","6","1") = "6"
    & skf21("6","7","7","3","1","6","7","1") = "6"
    & skf21("6","7","7","3","1","7","1","1") = "6"
    & skf21("6","7","7","3","1","7","2","1") = "6"
    & skf21("6","7","7","3","1","7","3","1") = "6"
    & skf21("6","7","7","3","1","7","4","1") = "6"
    & skf21("6","7","7","3","1","7","5","1") = "6"
    & skf21("6","7","7","3","1","7","6","1") = "6"
    & skf21("6","7","7","3","1","7","7","1") = "6"
    & skf21("6","7","7","3","2","1","1","1") = "6"
    & skf21("6","7","7","3","2","1","2","1") = "6"
    & skf21("6","7","7","3","2","1","3","1") = "6"
    & skf21("6","7","7","3","2","1","4","1") = "6"
    & skf21("6","7","7","3","2","1","5","1") = "6"
    & skf21("6","7","7","3","2","1","6","1") = "6"
    & skf21("6","7","7","3","2","1","7","1") = "6"
    & skf21("6","7","7","3","2","2","1","1") = "6"
    & skf21("6","7","7","3","2","2","2","1") = "6"
    & skf21("6","7","7","3","2","2","3","1") = "6"
    & skf21("6","7","7","3","2","2","4","1") = "6"
    & skf21("6","7","7","3","2","2","5","1") = "6"
    & skf21("6","7","7","3","2","2","6","1") = "6"
    & skf21("6","7","7","3","2","2","7","1") = "6"
    & skf21("6","7","7","3","2","3","1","1") = "6"
    & skf21("6","7","7","3","2","3","2","1") = "6"
    & skf21("6","7","7","3","2","3","3","1") = "6"
    & skf21("6","7","7","3","2","3","4","1") = "6"
    & skf21("6","7","7","3","2","3","5","1") = "6"
    & skf21("6","7","7","3","2","3","6","1") = "6"
    & skf21("6","7","7","3","2","3","7","1") = "6"
    & skf21("6","7","7","3","2","4","1","1") = "6"
    & skf21("6","7","7","3","2","4","2","1") = "6"
    & skf21("6","7","7","3","2","4","3","1") = "6"
    & skf21("6","7","7","3","2","4","4","1") = "6"
    & skf21("6","7","7","3","2","4","5","1") = "6"
    & skf21("6","7","7","3","2","4","6","1") = "6"
    & skf21("6","7","7","3","2","4","7","1") = "6"
    & skf21("6","7","7","3","2","5","1","1") = "6"
    & skf21("6","7","7","3","2","5","2","1") = "6"
    & skf21("6","7","7","3","2","5","3","1") = "6"
    & skf21("6","7","7","3","2","5","4","1") = "6"
    & skf21("6","7","7","3","2","5","5","1") = "6"
    & skf21("6","7","7","3","2","5","6","1") = "6"
    & skf21("6","7","7","3","2","5","7","1") = "6"
    & skf21("6","7","7","3","2","6","1","1") = "6"
    & skf21("6","7","7","3","2","6","2","1") = "6"
    & skf21("6","7","7","3","2","6","3","1") = "6"
    & skf21("6","7","7","3","2","6","4","1") = "6"
    & skf21("6","7","7","3","2","6","5","1") = "6"
    & skf21("6","7","7","3","2","6","6","1") = "6"
    & skf21("6","7","7","3","2","6","7","1") = "6"
    & skf21("6","7","7","3","2","7","1","1") = "6"
    & skf21("6","7","7","3","2","7","2","1") = "6"
    & skf21("6","7","7","3","2","7","3","1") = "6"
    & skf21("6","7","7","3","2","7","4","1") = "6"
    & skf21("6","7","7","3","2","7","5","1") = "6"
    & skf21("6","7","7","3","2","7","6","1") = "6"
    & skf21("6","7","7","3","2","7","7","1") = "6"
    & skf21("6","7","7","3","3","1","1","1") = "6"
    & skf21("6","7","7","3","3","1","2","1") = "6"
    & skf21("6","7","7","3","3","1","3","1") = "6"
    & skf21("6","7","7","3","3","1","4","1") = "6"
    & skf21("6","7","7","3","3","1","5","1") = "6"
    & skf21("6","7","7","3","3","1","6","1") = "6"
    & skf21("6","7","7","3","3","1","7","1") = "6"
    & skf21("6","7","7","3","3","2","1","1") = "6"
    & skf21("6","7","7","3","3","2","2","1") = "6"
    & skf21("6","7","7","3","3","2","3","1") = "6"
    & skf21("6","7","7","3","3","2","4","1") = "6"
    & skf21("6","7","7","3","3","2","5","1") = "6"
    & skf21("6","7","7","3","3","2","6","1") = "6"
    & skf21("6","7","7","3","3","2","7","1") = "6"
    & skf21("6","7","7","3","3","3","1","1") = "6"
    & skf21("6","7","7","3","3","3","2","1") = "6"
    & skf21("6","7","7","3","3","3","3","1") = "6"
    & skf21("6","7","7","3","3","3","4","1") = "6"
    & skf21("6","7","7","3","3","3","5","1") = "6"
    & skf21("6","7","7","3","3","3","6","1") = "6"
    & skf21("6","7","7","3","3","3","7","1") = "6"
    & skf21("6","7","7","3","3","4","1","1") = "6"
    & skf21("6","7","7","3","3","4","2","1") = "6"
    & skf21("6","7","7","3","3","4","3","1") = "6"
    & skf21("6","7","7","3","3","4","4","1") = "6"
    & skf21("6","7","7","3","3","4","5","1") = "6"
    & skf21("6","7","7","3","3","4","6","1") = "6"
    & skf21("6","7","7","3","3","4","7","1") = "6"
    & skf21("6","7","7","3","3","5","1","1") = "6"
    & skf21("6","7","7","3","3","5","2","1") = "6"
    & skf21("6","7","7","3","3","5","3","1") = "6"
    & skf21("6","7","7","3","3","5","4","1") = "6"
    & skf21("6","7","7","3","3","5","5","1") = "6"
    & skf21("6","7","7","3","3","5","6","1") = "6"
    & skf21("6","7","7","3","3","5","7","1") = "6"
    & skf21("6","7","7","3","3","6","1","1") = "6"
    & skf21("6","7","7","3","3","6","2","1") = "6"
    & skf21("6","7","7","3","3","6","3","1") = "6"
    & skf21("6","7","7","3","3","6","4","1") = "6"
    & skf21("6","7","7","3","3","6","5","1") = "6"
    & skf21("6","7","7","3","3","6","6","1") = "6"
    & skf21("6","7","7","3","3","6","7","1") = "6"
    & skf21("6","7","7","3","3","7","1","1") = "6"
    & skf21("6","7","7","3","3","7","2","1") = "6"
    & skf21("6","7","7","3","3","7","3","1") = "6"
    & skf21("6","7","7","3","3","7","4","1") = "6"
    & skf21("6","7","7","3","3","7","5","1") = "6"
    & skf21("6","7","7","3","3","7","6","1") = "6"
    & skf21("6","7","7","3","3","7","7","1") = "6"
    & skf21("6","7","7","3","4","1","1","1") = "6"
    & skf21("6","7","7","3","4","1","2","1") = "6"
    & skf21("6","7","7","3","4","1","3","1") = "6"
    & skf21("6","7","7","3","4","1","4","1") = "6"
    & skf21("6","7","7","3","4","1","5","1") = "6"
    & skf21("6","7","7","3","4","1","6","1") = "6"
    & skf21("6","7","7","3","4","1","7","1") = "6"
    & skf21("6","7","7","3","4","2","1","1") = "6"
    & skf21("6","7","7","3","4","2","2","1") = "6"
    & skf21("6","7","7","3","4","2","3","1") = "6"
    & skf21("6","7","7","3","4","2","4","1") = "6"
    & skf21("6","7","7","3","4","2","5","1") = "6"
    & skf21("6","7","7","3","4","2","6","1") = "6"
    & skf21("6","7","7","3","4","2","7","1") = "6"
    & skf21("6","7","7","3","4","3","1","1") = "6"
    & skf21("6","7","7","3","4","3","2","1") = "6"
    & skf21("6","7","7","3","4","3","3","1") = "6"
    & skf21("6","7","7","3","4","3","4","1") = "6"
    & skf21("6","7","7","3","4","3","5","1") = "6"
    & skf21("6","7","7","3","4","3","6","1") = "6"
    & skf21("6","7","7","3","4","3","7","1") = "6"
    & skf21("6","7","7","3","4","4","1","1") = "6"
    & skf21("6","7","7","3","4","4","2","1") = "6"
    & skf21("6","7","7","3","4","4","3","1") = "6"
    & skf21("6","7","7","3","4","4","4","1") = "6"
    & skf21("6","7","7","3","4","4","5","1") = "6"
    & skf21("6","7","7","3","4","4","6","1") = "6"
    & skf21("6","7","7","3","4","4","7","1") = "6"
    & skf21("6","7","7","3","4","5","1","1") = "6"
    & skf21("6","7","7","3","4","5","2","1") = "6"
    & skf21("6","7","7","3","4","5","3","1") = "6"
    & skf21("6","7","7","3","4","5","4","1") = "6"
    & skf21("6","7","7","3","4","5","5","1") = "6"
    & skf21("6","7","7","3","4","5","6","1") = "6"
    & skf21("6","7","7","3","4","5","7","1") = "6"
    & skf21("6","7","7","3","4","6","1","1") = "6"
    & skf21("6","7","7","3","4","6","2","1") = "6"
    & skf21("6","7","7","3","4","6","3","1") = "6"
    & skf21("6","7","7","3","4","6","4","1") = "6"
    & skf21("6","7","7","3","4","6","5","1") = "6"
    & skf21("6","7","7","3","4","6","6","1") = "6"
    & skf21("6","7","7","3","4","6","7","1") = "6"
    & skf21("6","7","7","3","4","7","1","1") = "6"
    & skf21("6","7","7","3","4","7","2","1") = "6"
    & skf21("6","7","7","3","4","7","3","1") = "6"
    & skf21("6","7","7","3","4","7","4","1") = "6"
    & skf21("6","7","7","3","4","7","5","1") = "6"
    & skf21("6","7","7","3","4","7","6","1") = "6"
    & skf21("6","7","7","3","4","7","7","1") = "6"
    & skf21("6","7","7","3","5","1","1","1") = "6"
    & skf21("6","7","7","3","5","1","2","1") = "6"
    & skf21("6","7","7","3","5","1","3","1") = "6"
    & skf21("6","7","7","3","5","1","4","1") = "6"
    & skf21("6","7","7","3","5","1","5","1") = "6"
    & skf21("6","7","7","3","5","1","6","1") = "6"
    & skf21("6","7","7","3","5","1","7","1") = "6"
    & skf21("6","7","7","3","5","2","1","1") = "6"
    & skf21("6","7","7","3","5","2","2","1") = "6"
    & skf21("6","7","7","3","5","2","3","1") = "6"
    & skf21("6","7","7","3","5","2","4","1") = "6"
    & skf21("6","7","7","3","5","2","5","1") = "6"
    & skf21("6","7","7","3","5","2","6","1") = "6"
    & skf21("6","7","7","3","5","2","7","1") = "6"
    & skf21("6","7","7","3","5","3","1","1") = "6"
    & skf21("6","7","7","3","5","3","2","1") = "6"
    & skf21("6","7","7","3","5","3","3","1") = "6"
    & skf21("6","7","7","3","5","3","4","1") = "6"
    & skf21("6","7","7","3","5","3","5","1") = "6"
    & skf21("6","7","7","3","5","3","6","1") = "6"
    & skf21("6","7","7","3","5","3","7","1") = "6"
    & skf21("6","7","7","3","5","4","1","1") = "6"
    & skf21("6","7","7","3","5","4","2","1") = "6"
    & skf21("6","7","7","3","5","4","3","1") = "6"
    & skf21("6","7","7","3","5","4","4","1") = "6"
    & skf21("6","7","7","3","5","4","5","1") = "6"
    & skf21("6","7","7","3","5","4","6","1") = "6"
    & skf21("6","7","7","3","5","4","7","1") = "6"
    & skf21("6","7","7","3","5","5","1","1") = "6"
    & skf21("6","7","7","3","5","5","2","1") = "6"
    & skf21("6","7","7","3","5","5","3","1") = "6"
    & skf21("6","7","7","3","5","5","4","1") = "6"
    & skf21("6","7","7","3","5","5","5","1") = "6"
    & skf21("6","7","7","3","5","5","6","1") = "6"
    & skf21("6","7","7","3","5","5","7","1") = "6"
    & skf21("6","7","7","3","5","6","1","1") = "6"
    & skf21("6","7","7","3","5","6","2","1") = "6"
    & skf21("6","7","7","3","5","6","3","1") = "6"
    & skf21("6","7","7","3","5","6","4","1") = "6"
    & skf21("6","7","7","3","5","6","5","1") = "6"
    & skf21("6","7","7","3","5","6","6","1") = "6"
    & skf21("6","7","7","3","5","6","7","1") = "6"
    & skf21("6","7","7","3","5","7","1","1") = "6"
    & skf21("6","7","7","3","5","7","2","1") = "6"
    & skf21("6","7","7","3","5","7","3","1") = "6"
    & skf21("6","7","7","3","5","7","4","1") = "6"
    & skf21("6","7","7","3","5","7","5","1") = "6"
    & skf21("6","7","7","3","5","7","6","1") = "6"
    & skf21("6","7","7","3","5","7","7","1") = "6"
    & skf21("6","7","7","3","6","1","1","1") = "6"
    & skf21("6","7","7","3","6","1","2","1") = "6"
    & skf21("6","7","7","3","6","1","3","1") = "6"
    & skf21("6","7","7","3","6","1","4","1") = "6"
    & skf21("6","7","7","3","6","1","5","1") = "6"
    & skf21("6","7","7","3","6","1","6","1") = "6"
    & skf21("6","7","7","3","6","1","7","1") = "6"
    & skf21("6","7","7","3","6","2","1","1") = "6"
    & skf21("6","7","7","3","6","2","2","1") = "6"
    & skf21("6","7","7","3","6","2","3","1") = "6"
    & skf21("6","7","7","3","6","2","4","1") = "6"
    & skf21("6","7","7","3","6","2","5","1") = "6"
    & skf21("6","7","7","3","6","2","6","1") = "6"
    & skf21("6","7","7","3","6","2","7","1") = "6"
    & skf21("6","7","7","3","6","3","1","1") = "6"
    & skf21("6","7","7","3","6","3","2","1") = "6"
    & skf21("6","7","7","3","6","3","3","1") = "6"
    & skf21("6","7","7","3","6","3","4","1") = "6"
    & skf21("6","7","7","3","6","3","5","1") = "6"
    & skf21("6","7","7","3","6","3","6","1") = "6"
    & skf21("6","7","7","3","6","3","7","1") = "6"
    & skf21("6","7","7","3","6","4","1","1") = "6"
    & skf21("6","7","7","3","6","4","2","1") = "6"
    & skf21("6","7","7","3","6","4","3","1") = "6"
    & skf21("6","7","7","3","6","4","4","1") = "6"
    & skf21("6","7","7","3","6","4","5","1") = "6"
    & skf21("6","7","7","3","6","4","6","1") = "6"
    & skf21("6","7","7","3","6","4","7","1") = "6"
    & skf21("6","7","7","3","6","5","1","1") = "6"
    & skf21("6","7","7","3","6","5","2","1") = "6"
    & skf21("6","7","7","3","6","5","3","1") = "6"
    & skf21("6","7","7","3","6","5","4","1") = "6"
    & skf21("6","7","7","3","6","5","5","1") = "6"
    & skf21("6","7","7","3","6","5","6","1") = "6"
    & skf21("6","7","7","3","6","5","7","1") = "6"
    & skf21("6","7","7","3","6","6","1","1") = "6"
    & skf21("6","7","7","3","6","6","2","1") = "6"
    & skf21("6","7","7","3","6","6","3","1") = "6"
    & skf21("6","7","7","3","6","6","4","1") = "6"
    & skf21("6","7","7","3","6","6","5","1") = "6"
    & skf21("6","7","7","3","6","6","6","1") = "6"
    & skf21("6","7","7","3","6","6","7","1") = "6"
    & skf21("6","7","7","3","6","7","1","1") = "6"
    & skf21("6","7","7","3","6","7","2","1") = "6"
    & skf21("6","7","7","3","6","7","3","1") = "6"
    & skf21("6","7","7","3","6","7","4","1") = "6"
    & skf21("6","7","7","3","6","7","5","1") = "6"
    & skf21("6","7","7","3","6","7","6","1") = "6"
    & skf21("6","7","7","3","6","7","7","1") = "6"
    & skf21("6","7","7","3","7","1","1","1") = "6"
    & skf21("6","7","7","3","7","1","2","1") = "6"
    & skf21("6","7","7","3","7","1","3","1") = "6"
    & skf21("6","7","7","3","7","1","4","1") = "6"
    & skf21("6","7","7","3","7","1","5","1") = "6"
    & skf21("6","7","7","3","7","1","6","1") = "6"
    & skf21("6","7","7","3","7","1","7","1") = "6"
    & skf21("6","7","7","3","7","2","1","1") = "6"
    & skf21("6","7","7","3","7","2","2","1") = "6"
    & skf21("6","7","7","3","7","2","3","1") = "6"
    & skf21("6","7","7","3","7","2","4","1") = "6"
    & skf21("6","7","7","3","7","2","5","1") = "6"
    & skf21("6","7","7","3","7","2","6","1") = "6"
    & skf21("6","7","7","3","7","2","7","1") = "6"
    & skf21("6","7","7","3","7","3","1","1") = "6"
    & skf21("6","7","7","3","7","3","2","1") = "6"
    & skf21("6","7","7","3","7","3","3","1") = "6"
    & skf21("6","7","7","3","7","3","4","1") = "6"
    & skf21("6","7","7","3","7","3","5","1") = "6"
    & skf21("6","7","7","3","7","3","6","1") = "6"
    & skf21("6","7","7","3","7","3","7","1") = "6"
    & skf21("6","7","7","3","7","4","1","1") = "6"
    & skf21("6","7","7","3","7","4","2","1") = "6"
    & skf21("6","7","7","3","7","4","3","1") = "6"
    & skf21("6","7","7","3","7","4","4","1") = "6"
    & skf21("6","7","7","3","7","4","5","1") = "6"
    & skf21("6","7","7","3","7","4","6","1") = "6"
    & skf21("6","7","7","3","7","4","7","1") = "6"
    & skf21("6","7","7","3","7","5","1","1") = "6"
    & skf21("6","7","7","3","7","5","2","1") = "6"
    & skf21("6","7","7","3","7","5","3","1") = "6"
    & skf21("6","7","7","3","7","5","4","1") = "6"
    & skf21("6","7","7","3","7","5","5","1") = "6"
    & skf21("6","7","7","3","7","5","6","1") = "6"
    & skf21("6","7","7","3","7","5","7","1") = "6"
    & skf21("6","7","7","3","7","6","1","1") = "6"
    & skf21("6","7","7","3","7","6","2","1") = "6"
    & skf21("6","7","7","3","7","6","3","1") = "6"
    & skf21("6","7","7","3","7","6","4","1") = "6"
    & skf21("6","7","7","3","7","6","5","1") = "6"
    & skf21("6","7","7","3","7","6","6","1") = "6"
    & skf21("6","7","7","3","7","6","7","1") = "6"
    & skf21("6","7","7","3","7","7","1","1") = "6"
    & skf21("6","7","7","3","7","7","2","1") = "6"
    & skf21("6","7","7","3","7","7","3","1") = "6"
    & skf21("6","7","7","3","7","7","4","1") = "6"
    & skf21("6","7","7","3","7","7","5","1") = "6"
    & skf21("6","7","7","3","7","7","6","1") = "6"
    & skf21("6","7","7","3","7","7","7","1") = "6"
    & skf21("6","7","7","4","1","1","1","1") = "6"
    & skf21("6","7","7","4","1","1","2","1") = "6"
    & skf21("6","7","7","4","1","1","3","1") = "6"
    & skf21("6","7","7","4","1","1","4","1") = "6"
    & skf21("6","7","7","4","1","1","5","1") = "6"
    & skf21("6","7","7","4","1","1","6","1") = "6"
    & skf21("6","7","7","4","1","1","7","1") = "6"
    & skf21("6","7","7","4","1","2","1","1") = "6"
    & skf21("6","7","7","4","1","2","2","1") = "6"
    & skf21("6","7","7","4","1","2","3","1") = "6"
    & skf21("6","7","7","4","1","2","4","1") = "6"
    & skf21("6","7","7","4","1","2","5","1") = "6"
    & skf21("6","7","7","4","1","2","6","1") = "6"
    & skf21("6","7","7","4","1","2","7","1") = "6"
    & skf21("6","7","7","4","1","3","1","1") = "6"
    & skf21("6","7","7","4","1","3","2","1") = "6"
    & skf21("6","7","7","4","1","3","3","1") = "6"
    & skf21("6","7","7","4","1","3","4","1") = "6"
    & skf21("6","7","7","4","1","3","5","1") = "6"
    & skf21("6","7","7","4","1","3","6","1") = "6"
    & skf21("6","7","7","4","1","3","7","1") = "6"
    & skf21("6","7","7","4","1","4","1","1") = "6"
    & skf21("6","7","7","4","1","4","2","1") = "6"
    & skf21("6","7","7","4","1","4","3","1") = "6"
    & skf21("6","7","7","4","1","4","4","1") = "6"
    & skf21("6","7","7","4","1","4","5","1") = "6"
    & skf21("6","7","7","4","1","4","6","1") = "6"
    & skf21("6","7","7","4","1","4","7","1") = "6"
    & skf21("6","7","7","4","1","5","1","1") = "6"
    & skf21("6","7","7","4","1","5","2","1") = "6"
    & skf21("6","7","7","4","1","5","3","1") = "6"
    & skf21("6","7","7","4","1","5","4","1") = "6"
    & skf21("6","7","7","4","1","5","5","1") = "6"
    & skf21("6","7","7","4","1","5","6","1") = "6"
    & skf21("6","7","7","4","1","5","7","1") = "6"
    & skf21("6","7","7","4","1","6","1","1") = "6"
    & skf21("6","7","7","4","1","6","2","1") = "6"
    & skf21("6","7","7","4","1","6","3","1") = "6"
    & skf21("6","7","7","4","1","6","4","1") = "6"
    & skf21("6","7","7","4","1","6","5","1") = "6"
    & skf21("6","7","7","4","1","6","6","1") = "6"
    & skf21("6","7","7","4","1","6","7","1") = "6"
    & skf21("6","7","7","4","1","7","1","1") = "6"
    & skf21("6","7","7","4","1","7","2","1") = "6"
    & skf21("6","7","7","4","1","7","3","1") = "6"
    & skf21("6","7","7","4","1","7","4","1") = "6"
    & skf21("6","7","7","4","1","7","5","1") = "6"
    & skf21("6","7","7","4","1","7","6","1") = "6"
    & skf21("6","7","7","4","1","7","7","1") = "6"
    & skf21("6","7","7","4","2","1","1","1") = "6"
    & skf21("6","7","7","4","2","1","2","1") = "6"
    & skf21("6","7","7","4","2","1","3","1") = "6"
    & skf21("6","7","7","4","2","1","4","1") = "6"
    & skf21("6","7","7","4","2","1","5","1") = "6"
    & skf21("6","7","7","4","2","1","6","1") = "6"
    & skf21("6","7","7","4","2","1","7","1") = "6"
    & skf21("6","7","7","4","2","2","1","1") = "6"
    & skf21("6","7","7","4","2","2","2","1") = "6"
    & skf21("6","7","7","4","2","2","3","1") = "6"
    & skf21("6","7","7","4","2","2","4","1") = "6"
    & skf21("6","7","7","4","2","2","5","1") = "6"
    & skf21("6","7","7","4","2","2","6","1") = "6"
    & skf21("6","7","7","4","2","2","7","1") = "6"
    & skf21("6","7","7","4","2","3","1","1") = "6"
    & skf21("6","7","7","4","2","3","2","1") = "6"
    & skf21("6","7","7","4","2","3","3","1") = "6"
    & skf21("6","7","7","4","2","3","4","1") = "6"
    & skf21("6","7","7","4","2","3","5","1") = "6"
    & skf21("6","7","7","4","2","3","6","1") = "6"
    & skf21("6","7","7","4","2","3","7","1") = "6"
    & skf21("6","7","7","4","2","4","1","1") = "6"
    & skf21("6","7","7","4","2","4","2","1") = "6"
    & skf21("6","7","7","4","2","4","3","1") = "6"
    & skf21("6","7","7","4","2","4","4","1") = "6"
    & skf21("6","7","7","4","2","4","5","1") = "6"
    & skf21("6","7","7","4","2","4","6","1") = "6"
    & skf21("6","7","7","4","2","4","7","1") = "6"
    & skf21("6","7","7","4","2","5","1","1") = "6"
    & skf21("6","7","7","4","2","5","2","1") = "6"
    & skf21("6","7","7","4","2","5","3","1") = "6"
    & skf21("6","7","7","4","2","5","4","1") = "6"
    & skf21("6","7","7","4","2","5","5","1") = "6"
    & skf21("6","7","7","4","2","5","6","1") = "6"
    & skf21("6","7","7","4","2","5","7","1") = "6"
    & skf21("6","7","7","4","2","6","1","1") = "6"
    & skf21("6","7","7","4","2","6","2","1") = "6"
    & skf21("6","7","7","4","2","6","3","1") = "6"
    & skf21("6","7","7","4","2","6","4","1") = "6"
    & skf21("6","7","7","4","2","6","5","1") = "6"
    & skf21("6","7","7","4","2","6","6","1") = "6"
    & skf21("6","7","7","4","2","6","7","1") = "6"
    & skf21("6","7","7","4","2","7","1","1") = "6"
    & skf21("6","7","7","4","2","7","2","1") = "6"
    & skf21("6","7","7","4","2","7","3","1") = "6"
    & skf21("6","7","7","4","2","7","4","1") = "6"
    & skf21("6","7","7","4","2","7","5","1") = "6"
    & skf21("6","7","7","4","2","7","6","1") = "6"
    & skf21("6","7","7","4","2","7","7","1") = "6"
    & skf21("6","7","7","4","3","1","1","1") = "6"
    & skf21("6","7","7","4","3","1","2","1") = "6"
    & skf21("6","7","7","4","3","1","3","1") = "6"
    & skf21("6","7","7","4","3","1","4","1") = "6"
    & skf21("6","7","7","4","3","1","5","1") = "6"
    & skf21("6","7","7","4","3","1","6","1") = "6"
    & skf21("6","7","7","4","3","1","7","1") = "6"
    & skf21("6","7","7","4","3","2","1","1") = "6"
    & skf21("6","7","7","4","3","2","2","1") = "6"
    & skf21("6","7","7","4","3","2","3","1") = "6"
    & skf21("6","7","7","4","3","2","4","1") = "6"
    & skf21("6","7","7","4","3","2","5","1") = "6"
    & skf21("6","7","7","4","3","2","6","1") = "6"
    & skf21("6","7","7","4","3","2","7","1") = "6"
    & skf21("6","7","7","4","3","3","1","1") = "6"
    & skf21("6","7","7","4","3","3","2","1") = "6"
    & skf21("6","7","7","4","3","3","3","1") = "6"
    & skf21("6","7","7","4","3","3","4","1") = "6"
    & skf21("6","7","7","4","3","3","5","1") = "6"
    & skf21("6","7","7","4","3","3","6","1") = "6"
    & skf21("6","7","7","4","3","3","7","1") = "6"
    & skf21("6","7","7","4","3","4","1","1") = "6"
    & skf21("6","7","7","4","3","4","2","1") = "6"
    & skf21("6","7","7","4","3","4","3","1") = "6"
    & skf21("6","7","7","4","3","4","4","1") = "6"
    & skf21("6","7","7","4","3","4","5","1") = "6"
    & skf21("6","7","7","4","3","4","6","1") = "6"
    & skf21("6","7","7","4","3","4","7","1") = "6"
    & skf21("6","7","7","4","3","5","1","1") = "6"
    & skf21("6","7","7","4","3","5","2","1") = "6"
    & skf21("6","7","7","4","3","5","3","1") = "6"
    & skf21("6","7","7","4","3","5","4","1") = "6"
    & skf21("6","7","7","4","3","5","5","1") = "6"
    & skf21("6","7","7","4","3","5","6","1") = "6"
    & skf21("6","7","7","4","3","5","7","1") = "6"
    & skf21("6","7","7","4","3","6","1","1") = "6"
    & skf21("6","7","7","4","3","6","2","1") = "6"
    & skf21("6","7","7","4","3","6","3","1") = "6"
    & skf21("6","7","7","4","3","6","4","1") = "6"
    & skf21("6","7","7","4","3","6","5","1") = "6"
    & skf21("6","7","7","4","3","6","6","1") = "6"
    & skf21("6","7","7","4","3","6","7","1") = "6"
    & skf21("6","7","7","4","3","7","1","1") = "6"
    & skf21("6","7","7","4","3","7","2","1") = "6"
    & skf21("6","7","7","4","3","7","3","1") = "6"
    & skf21("6","7","7","4","3","7","4","1") = "6"
    & skf21("6","7","7","4","3","7","5","1") = "6"
    & skf21("6","7","7","4","3","7","6","1") = "6"
    & skf21("6","7","7","4","3","7","7","1") = "6"
    & skf21("6","7","7","4","4","1","1","1") = "6"
    & skf21("6","7","7","4","4","1","2","1") = "6"
    & skf21("6","7","7","4","4","1","3","1") = "6"
    & skf21("6","7","7","4","4","1","4","1") = "6"
    & skf21("6","7","7","4","4","1","5","1") = "6"
    & skf21("6","7","7","4","4","1","6","1") = "6"
    & skf21("6","7","7","4","4","1","7","1") = "6"
    & skf21("6","7","7","4","4","2","1","1") = "6"
    & skf21("6","7","7","4","4","2","2","1") = "6"
    & skf21("6","7","7","4","4","2","3","1") = "6"
    & skf21("6","7","7","4","4","2","4","1") = "6"
    & skf21("6","7","7","4","4","2","5","1") = "6"
    & skf21("6","7","7","4","4","2","6","1") = "6"
    & skf21("6","7","7","4","4","2","7","1") = "6"
    & skf21("6","7","7","4","4","3","1","1") = "6"
    & skf21("6","7","7","4","4","3","2","1") = "6"
    & skf21("6","7","7","4","4","3","3","1") = "6"
    & skf21("6","7","7","4","4","3","4","1") = "6"
    & skf21("6","7","7","4","4","3","5","1") = "6"
    & skf21("6","7","7","4","4","3","6","1") = "6"
    & skf21("6","7","7","4","4","3","7","1") = "6"
    & skf21("6","7","7","4","4","4","1","1") = "6"
    & skf21("6","7","7","4","4","4","2","1") = "6"
    & skf21("6","7","7","4","4","4","3","1") = "6"
    & skf21("6","7","7","4","4","4","4","1") = "6"
    & skf21("6","7","7","4","4","4","5","1") = "6"
    & skf21("6","7","7","4","4","4","6","1") = "6"
    & skf21("6","7","7","4","4","4","7","1") = "6"
    & skf21("6","7","7","4","4","5","1","1") = "6"
    & skf21("6","7","7","4","4","5","2","1") = "6"
    & skf21("6","7","7","4","4","5","3","1") = "6"
    & skf21("6","7","7","4","4","5","4","1") = "6"
    & skf21("6","7","7","4","4","5","5","1") = "6"
    & skf21("6","7","7","4","4","5","6","1") = "6"
    & skf21("6","7","7","4","4","5","7","1") = "6"
    & skf21("6","7","7","4","4","6","1","1") = "6"
    & skf21("6","7","7","4","4","6","2","1") = "6"
    & skf21("6","7","7","4","4","6","3","1") = "6"
    & skf21("6","7","7","4","4","6","4","1") = "6"
    & skf21("6","7","7","4","4","6","5","1") = "6"
    & skf21("6","7","7","4","4","6","6","1") = "6"
    & skf21("6","7","7","4","4","6","7","1") = "6"
    & skf21("6","7","7","4","4","7","1","1") = "6"
    & skf21("6","7","7","4","4","7","2","1") = "6"
    & skf21("6","7","7","4","4","7","3","1") = "6"
    & skf21("6","7","7","4","4","7","4","1") = "6"
    & skf21("6","7","7","4","4","7","5","1") = "6"
    & skf21("6","7","7","4","4","7","6","1") = "6"
    & skf21("6","7","7","4","4","7","7","1") = "6"
    & skf21("6","7","7","4","5","1","1","1") = "6"
    & skf21("6","7","7","4","5","1","2","1") = "6"
    & skf21("6","7","7","4","5","1","3","1") = "6"
    & skf21("6","7","7","4","5","1","4","1") = "6"
    & skf21("6","7","7","4","5","1","5","1") = "6"
    & skf21("6","7","7","4","5","1","6","1") = "6"
    & skf21("6","7","7","4","5","1","7","1") = "6"
    & skf21("6","7","7","4","5","2","1","1") = "6"
    & skf21("6","7","7","4","5","2","2","1") = "6"
    & skf21("6","7","7","4","5","2","3","1") = "6"
    & skf21("6","7","7","4","5","2","4","1") = "6"
    & skf21("6","7","7","4","5","2","5","1") = "6"
    & skf21("6","7","7","4","5","2","6","1") = "6"
    & skf21("6","7","7","4","5","2","7","1") = "6"
    & skf21("6","7","7","4","5","3","1","1") = "6"
    & skf21("6","7","7","4","5","3","2","1") = "6"
    & skf21("6","7","7","4","5","3","3","1") = "6"
    & skf21("6","7","7","4","5","3","4","1") = "6"
    & skf21("6","7","7","4","5","3","5","1") = "6"
    & skf21("6","7","7","4","5","3","6","1") = "6"
    & skf21("6","7","7","4","5","3","7","1") = "6"
    & skf21("6","7","7","4","5","4","1","1") = "6"
    & skf21("6","7","7","4","5","4","2","1") = "6"
    & skf21("6","7","7","4","5","4","3","1") = "6"
    & skf21("6","7","7","4","5","4","4","1") = "6"
    & skf21("6","7","7","4","5","4","5","1") = "6"
    & skf21("6","7","7","4","5","4","6","1") = "6"
    & skf21("6","7","7","4","5","4","7","1") = "6"
    & skf21("6","7","7","4","5","5","1","1") = "6"
    & skf21("6","7","7","4","5","5","2","1") = "6"
    & skf21("6","7","7","4","5","5","3","1") = "6"
    & skf21("6","7","7","4","5","5","4","1") = "6"
    & skf21("6","7","7","4","5","5","5","1") = "6"
    & skf21("6","7","7","4","5","5","6","1") = "6"
    & skf21("6","7","7","4","5","5","7","1") = "6"
    & skf21("6","7","7","4","5","6","1","1") = "6"
    & skf21("6","7","7","4","5","6","2","1") = "6"
    & skf21("6","7","7","4","5","6","3","1") = "6"
    & skf21("6","7","7","4","5","6","4","1") = "6"
    & skf21("6","7","7","4","5","6","5","1") = "6"
    & skf21("6","7","7","4","5","6","6","1") = "6"
    & skf21("6","7","7","4","5","6","7","1") = "6"
    & skf21("6","7","7","4","5","7","1","1") = "6"
    & skf21("6","7","7","4","5","7","2","1") = "6"
    & skf21("6","7","7","4","5","7","3","1") = "6"
    & skf21("6","7","7","4","5","7","4","1") = "6"
    & skf21("6","7","7","4","5","7","5","1") = "6"
    & skf21("6","7","7","4","5","7","6","1") = "6"
    & skf21("6","7","7","4","5","7","7","1") = "6"
    & skf21("6","7","7","4","6","1","1","1") = "6"
    & skf21("6","7","7","4","6","1","2","1") = "6"
    & skf21("6","7","7","4","6","1","3","1") = "6"
    & skf21("6","7","7","4","6","1","4","1") = "6"
    & skf21("6","7","7","4","6","1","5","1") = "6"
    & skf21("6","7","7","4","6","1","6","1") = "6"
    & skf21("6","7","7","4","6","1","7","1") = "6"
    & skf21("6","7","7","4","6","2","1","1") = "6"
    & skf21("6","7","7","4","6","2","2","1") = "6"
    & skf21("6","7","7","4","6","2","3","1") = "6"
    & skf21("6","7","7","4","6","2","4","1") = "6"
    & skf21("6","7","7","4","6","2","5","1") = "6"
    & skf21("6","7","7","4","6","2","6","1") = "6"
    & skf21("6","7","7","4","6","2","7","1") = "6"
    & skf21("6","7","7","4","6","3","1","1") = "6"
    & skf21("6","7","7","4","6","3","2","1") = "6"
    & skf21("6","7","7","4","6","3","3","1") = "6"
    & skf21("6","7","7","4","6","3","4","1") = "6"
    & skf21("6","7","7","4","6","3","5","1") = "6"
    & skf21("6","7","7","4","6","3","6","1") = "6"
    & skf21("6","7","7","4","6","3","7","1") = "6"
    & skf21("6","7","7","4","6","4","1","1") = "6"
    & skf21("6","7","7","4","6","4","2","1") = "6"
    & skf21("6","7","7","4","6","4","3","1") = "6"
    & skf21("6","7","7","4","6","4","4","1") = "6"
    & skf21("6","7","7","4","6","4","5","1") = "6"
    & skf21("6","7","7","4","6","4","6","1") = "6"
    & skf21("6","7","7","4","6","4","7","1") = "6"
    & skf21("6","7","7","4","6","5","1","1") = "6"
    & skf21("6","7","7","4","6","5","2","1") = "6"
    & skf21("6","7","7","4","6","5","3","1") = "6"
    & skf21("6","7","7","4","6","5","4","1") = "6"
    & skf21("6","7","7","4","6","5","5","1") = "6"
    & skf21("6","7","7","4","6","5","6","1") = "6"
    & skf21("6","7","7","4","6","5","7","1") = "6"
    & skf21("6","7","7","4","6","6","1","1") = "6"
    & skf21("6","7","7","4","6","6","2","1") = "6"
    & skf21("6","7","7","4","6","6","3","1") = "6"
    & skf21("6","7","7","4","6","6","4","1") = "6"
    & skf21("6","7","7","4","6","6","5","1") = "6"
    & skf21("6","7","7","4","6","6","6","1") = "6"
    & skf21("6","7","7","4","6","6","7","1") = "6"
    & skf21("6","7","7","4","6","7","1","1") = "6"
    & skf21("6","7","7","4","6","7","2","1") = "6"
    & skf21("6","7","7","4","6","7","3","1") = "6"
    & skf21("6","7","7","4","6","7","4","1") = "6"
    & skf21("6","7","7","4","6","7","5","1") = "6"
    & skf21("6","7","7","4","6","7","6","1") = "6"
    & skf21("6","7","7","4","6","7","7","1") = "6"
    & skf21("6","7","7","4","7","1","1","1") = "6"
    & skf21("6","7","7","4","7","1","2","1") = "6"
    & skf21("6","7","7","4","7","1","3","1") = "6"
    & skf21("6","7","7","4","7","1","4","1") = "6"
    & skf21("6","7","7","4","7","1","5","1") = "6"
    & skf21("6","7","7","4","7","1","6","1") = "6"
    & skf21("6","7","7","4","7","1","7","1") = "6"
    & skf21("6","7","7","4","7","2","1","1") = "6"
    & skf21("6","7","7","4","7","2","2","1") = "6"
    & skf21("6","7","7","4","7","2","3","1") = "6"
    & skf21("6","7","7","4","7","2","4","1") = "6"
    & skf21("6","7","7","4","7","2","5","1") = "6"
    & skf21("6","7","7","4","7","2","6","1") = "6"
    & skf21("6","7","7","4","7","2","7","1") = "6"
    & skf21("6","7","7","4","7","3","1","1") = "6"
    & skf21("6","7","7","4","7","3","2","1") = "6"
    & skf21("6","7","7","4","7","3","3","1") = "6"
    & skf21("6","7","7","4","7","3","4","1") = "6"
    & skf21("6","7","7","4","7","3","5","1") = "6"
    & skf21("6","7","7","4","7","3","6","1") = "6"
    & skf21("6","7","7","4","7","3","7","1") = "6"
    & skf21("6","7","7","4","7","4","1","1") = "6"
    & skf21("6","7","7","4","7","4","2","1") = "6"
    & skf21("6","7","7","4","7","4","3","1") = "6"
    & skf21("6","7","7","4","7","4","4","1") = "6"
    & skf21("6","7","7","4","7","4","5","1") = "6"
    & skf21("6","7","7","4","7","4","6","1") = "6"
    & skf21("6","7","7","4","7","4","7","1") = "6"
    & skf21("6","7","7","4","7","5","1","1") = "6"
    & skf21("6","7","7","4","7","5","2","1") = "6"
    & skf21("6","7","7","4","7","5","3","1") = "6"
    & skf21("6","7","7","4","7","5","4","1") = "6"
    & skf21("6","7","7","4","7","5","5","1") = "6"
    & skf21("6","7","7","4","7","5","6","1") = "6"
    & skf21("6","7","7","4","7","5","7","1") = "6"
    & skf21("6","7","7","4","7","6","1","1") = "6"
    & skf21("6","7","7","4","7","6","2","1") = "6"
    & skf21("6","7","7","4","7","6","3","1") = "6"
    & skf21("6","7","7","4","7","6","4","1") = "6"
    & skf21("6","7","7","4","7","6","5","1") = "6"
    & skf21("6","7","7","4","7","6","6","1") = "6"
    & skf21("6","7","7","4","7","6","7","1") = "6"
    & skf21("6","7","7","4","7","7","1","1") = "6"
    & skf21("6","7","7","4","7","7","2","1") = "6"
    & skf21("6","7","7","4","7","7","3","1") = "6"
    & skf21("6","7","7","4","7","7","4","1") = "6"
    & skf21("6","7","7","4","7","7","5","1") = "6"
    & skf21("6","7","7","4","7","7","6","1") = "6"
    & skf21("6","7","7","4","7","7","7","1") = "6"
    & skf21("6","7","7","5","1","1","1","1") = "6"
    & skf21("6","7","7","5","1","1","2","1") = "6"
    & skf21("6","7","7","5","1","1","3","1") = "6"
    & skf21("6","7","7","5","1","1","4","1") = "6"
    & skf21("6","7","7","5","1","1","5","1") = "6"
    & skf21("6","7","7","5","1","1","6","1") = "6"
    & skf21("6","7","7","5","1","1","7","1") = "6"
    & skf21("6","7","7","5","1","2","1","1") = "6"
    & skf21("6","7","7","5","1","2","2","1") = "6"
    & skf21("6","7","7","5","1","2","3","1") = "6"
    & skf21("6","7","7","5","1","2","4","1") = "6"
    & skf21("6","7","7","5","1","2","5","1") = "6"
    & skf21("6","7","7","5","1","2","6","1") = "6"
    & skf21("6","7","7","5","1","2","7","1") = "6"
    & skf21("6","7","7","5","1","3","1","1") = "6"
    & skf21("6","7","7","5","1","3","2","1") = "6"
    & skf21("6","7","7","5","1","3","3","1") = "6"
    & skf21("6","7","7","5","1","3","4","1") = "6"
    & skf21("6","7","7","5","1","3","5","1") = "6"
    & skf21("6","7","7","5","1","3","6","1") = "6"
    & skf21("6","7","7","5","1","3","7","1") = "6"
    & skf21("6","7","7","5","1","4","1","1") = "6"
    & skf21("6","7","7","5","1","4","2","1") = "6"
    & skf21("6","7","7","5","1","4","3","1") = "6"
    & skf21("6","7","7","5","1","4","4","1") = "6"
    & skf21("6","7","7","5","1","4","5","1") = "6"
    & skf21("6","7","7","5","1","4","6","1") = "6"
    & skf21("6","7","7","5","1","4","7","1") = "6"
    & skf21("6","7","7","5","1","5","1","1") = "6"
    & skf21("6","7","7","5","1","5","2","1") = "6"
    & skf21("6","7","7","5","1","5","3","1") = "6"
    & skf21("6","7","7","5","1","5","4","1") = "6"
    & skf21("6","7","7","5","1","5","5","1") = "6"
    & skf21("6","7","7","5","1","5","6","1") = "6"
    & skf21("6","7","7","5","1","5","7","1") = "6"
    & skf21("6","7","7","5","1","6","1","1") = "6"
    & skf21("6","7","7","5","1","6","2","1") = "6"
    & skf21("6","7","7","5","1","6","3","1") = "6"
    & skf21("6","7","7","5","1","6","4","1") = "6"
    & skf21("6","7","7","5","1","6","5","1") = "6"
    & skf21("6","7","7","5","1","6","6","1") = "6"
    & skf21("6","7","7","5","1","6","7","1") = "6"
    & skf21("6","7","7","5","1","7","1","1") = "6"
    & skf21("6","7","7","5","1","7","2","1") = "6"
    & skf21("6","7","7","5","1","7","3","1") = "6"
    & skf21("6","7","7","5","1","7","4","1") = "6"
    & skf21("6","7","7","5","1","7","5","1") = "6"
    & skf21("6","7","7","5","1","7","6","1") = "6"
    & skf21("6","7","7","5","1","7","7","1") = "6"
    & skf21("6","7","7","5","2","1","1","1") = "6"
    & skf21("6","7","7","5","2","1","2","1") = "6"
    & skf21("6","7","7","5","2","1","3","1") = "6"
    & skf21("6","7","7","5","2","1","4","1") = "6"
    & skf21("6","7","7","5","2","1","5","1") = "6"
    & skf21("6","7","7","5","2","1","6","1") = "6"
    & skf21("6","7","7","5","2","1","7","1") = "6"
    & skf21("6","7","7","5","2","2","1","1") = "6"
    & skf21("6","7","7","5","2","2","2","1") = "6"
    & skf21("6","7","7","5","2","2","3","1") = "6"
    & skf21("6","7","7","5","2","2","4","1") = "6"
    & skf21("6","7","7","5","2","2","5","1") = "6"
    & skf21("6","7","7","5","2","2","6","1") = "6"
    & skf21("6","7","7","5","2","2","7","1") = "6"
    & skf21("6","7","7","5","2","3","1","1") = "6"
    & skf21("6","7","7","5","2","3","2","1") = "6"
    & skf21("6","7","7","5","2","3","3","1") = "6"
    & skf21("6","7","7","5","2","3","4","1") = "6"
    & skf21("6","7","7","5","2","3","5","1") = "6"
    & skf21("6","7","7","5","2","3","6","1") = "6"
    & skf21("6","7","7","5","2","3","7","1") = "6"
    & skf21("6","7","7","5","2","4","1","1") = "6"
    & skf21("6","7","7","5","2","4","2","1") = "6"
    & skf21("6","7","7","5","2","4","3","1") = "6"
    & skf21("6","7","7","5","2","4","4","1") = "6"
    & skf21("6","7","7","5","2","4","5","1") = "6"
    & skf21("6","7","7","5","2","4","6","1") = "6"
    & skf21("6","7","7","5","2","4","7","1") = "6"
    & skf21("6","7","7","5","2","5","1","1") = "6"
    & skf21("6","7","7","5","2","5","2","1") = "6"
    & skf21("6","7","7","5","2","5","3","1") = "6"
    & skf21("6","7","7","5","2","5","4","1") = "6"
    & skf21("6","7","7","5","2","5","5","1") = "6"
    & skf21("6","7","7","5","2","5","6","1") = "6"
    & skf21("6","7","7","5","2","5","7","1") = "6"
    & skf21("6","7","7","5","2","6","1","1") = "6"
    & skf21("6","7","7","5","2","6","2","1") = "6"
    & skf21("6","7","7","5","2","6","3","1") = "6"
    & skf21("6","7","7","5","2","6","4","1") = "6"
    & skf21("6","7","7","5","2","6","5","1") = "6"
    & skf21("6","7","7","5","2","6","6","1") = "6"
    & skf21("6","7","7","5","2","6","7","1") = "6"
    & skf21("6","7","7","5","2","7","1","1") = "6"
    & skf21("6","7","7","5","2","7","2","1") = "6"
    & skf21("6","7","7","5","2","7","3","1") = "6"
    & skf21("6","7","7","5","2","7","4","1") = "6"
    & skf21("6","7","7","5","2","7","5","1") = "6"
    & skf21("6","7","7","5","2","7","6","1") = "6"
    & skf21("6","7","7","5","2","7","7","1") = "6"
    & skf21("6","7","7","5","3","1","1","1") = "6"
    & skf21("6","7","7","5","3","1","2","1") = "6"
    & skf21("6","7","7","5","3","1","3","1") = "6"
    & skf21("6","7","7","5","3","1","4","1") = "6"
    & skf21("6","7","7","5","3","1","5","1") = "6"
    & skf21("6","7","7","5","3","1","6","1") = "6"
    & skf21("6","7","7","5","3","1","7","1") = "6"
    & skf21("6","7","7","5","3","2","1","1") = "6"
    & skf21("6","7","7","5","3","2","2","1") = "6"
    & skf21("6","7","7","5","3","2","3","1") = "6"
    & skf21("6","7","7","5","3","2","4","1") = "6"
    & skf21("6","7","7","5","3","2","5","1") = "6"
    & skf21("6","7","7","5","3","2","6","1") = "6"
    & skf21("6","7","7","5","3","2","7","1") = "6"
    & skf21("6","7","7","5","3","3","1","1") = "6"
    & skf21("6","7","7","5","3","3","2","1") = "6"
    & skf21("6","7","7","5","3","3","3","1") = "6"
    & skf21("6","7","7","5","3","3","4","1") = "6"
    & skf21("6","7","7","5","3","3","5","1") = "6"
    & skf21("6","7","7","5","3","3","6","1") = "6"
    & skf21("6","7","7","5","3","3","7","1") = "6"
    & skf21("6","7","7","5","3","4","1","1") = "6"
    & skf21("6","7","7","5","3","4","2","1") = "6"
    & skf21("6","7","7","5","3","4","3","1") = "6"
    & skf21("6","7","7","5","3","4","4","1") = "6"
    & skf21("6","7","7","5","3","4","5","1") = "6"
    & skf21("6","7","7","5","3","4","6","1") = "6"
    & skf21("6","7","7","5","3","4","7","1") = "6"
    & skf21("6","7","7","5","3","5","1","1") = "6"
    & skf21("6","7","7","5","3","5","2","1") = "6"
    & skf21("6","7","7","5","3","5","3","1") = "6"
    & skf21("6","7","7","5","3","5","4","1") = "6"
    & skf21("6","7","7","5","3","5","5","1") = "6"
    & skf21("6","7","7","5","3","5","6","1") = "6"
    & skf21("6","7","7","5","3","5","7","1") = "6"
    & skf21("6","7","7","5","3","6","1","1") = "6"
    & skf21("6","7","7","5","3","6","2","1") = "6"
    & skf21("6","7","7","5","3","6","3","1") = "6"
    & skf21("6","7","7","5","3","6","4","1") = "6"
    & skf21("6","7","7","5","3","6","5","1") = "6"
    & skf21("6","7","7","5","3","6","6","1") = "6"
    & skf21("6","7","7","5","3","6","7","1") = "6"
    & skf21("6","7","7","5","3","7","1","1") = "6"
    & skf21("6","7","7","5","3","7","2","1") = "6"
    & skf21("6","7","7","5","3","7","3","1") = "6"
    & skf21("6","7","7","5","3","7","4","1") = "6"
    & skf21("6","7","7","5","3","7","5","1") = "6"
    & skf21("6","7","7","5","3","7","6","1") = "6"
    & skf21("6","7","7","5","3","7","7","1") = "6"
    & skf21("6","7","7","5","4","1","1","1") = "6"
    & skf21("6","7","7","5","4","1","2","1") = "6"
    & skf21("6","7","7","5","4","1","3","1") = "6"
    & skf21("6","7","7","5","4","1","4","1") = "6"
    & skf21("6","7","7","5","4","1","5","1") = "6"
    & skf21("6","7","7","5","4","1","6","1") = "6"
    & skf21("6","7","7","5","4","1","7","1") = "6"
    & skf21("6","7","7","5","4","2","1","1") = "6"
    & skf21("6","7","7","5","4","2","2","1") = "6"
    & skf21("6","7","7","5","4","2","3","1") = "6"
    & skf21("6","7","7","5","4","2","4","1") = "6"
    & skf21("6","7","7","5","4","2","5","1") = "6"
    & skf21("6","7","7","5","4","2","6","1") = "6"
    & skf21("6","7","7","5","4","2","7","1") = "6"
    & skf21("6","7","7","5","4","3","1","1") = "6"
    & skf21("6","7","7","5","4","3","2","1") = "6"
    & skf21("6","7","7","5","4","3","3","1") = "6"
    & skf21("6","7","7","5","4","3","4","1") = "6"
    & skf21("6","7","7","5","4","3","5","1") = "6"
    & skf21("6","7","7","5","4","3","6","1") = "6"
    & skf21("6","7","7","5","4","3","7","1") = "6"
    & skf21("6","7","7","5","4","4","1","1") = "6"
    & skf21("6","7","7","5","4","4","2","1") = "6"
    & skf21("6","7","7","5","4","4","3","1") = "6"
    & skf21("6","7","7","5","4","4","4","1") = "6"
    & skf21("6","7","7","5","4","4","5","1") = "6"
    & skf21("6","7","7","5","4","4","6","1") = "6"
    & skf21("6","7","7","5","4","4","7","1") = "6"
    & skf21("6","7","7","5","4","5","1","1") = "6"
    & skf21("6","7","7","5","4","5","2","1") = "6"
    & skf21("6","7","7","5","4","5","3","1") = "6"
    & skf21("6","7","7","5","4","5","4","1") = "6"
    & skf21("6","7","7","5","4","5","5","1") = "6"
    & skf21("6","7","7","5","4","5","6","1") = "6"
    & skf21("6","7","7","5","4","5","7","1") = "6"
    & skf21("6","7","7","5","4","6","1","1") = "6"
    & skf21("6","7","7","5","4","6","2","1") = "6"
    & skf21("6","7","7","5","4","6","3","1") = "6"
    & skf21("6","7","7","5","4","6","4","1") = "6"
    & skf21("6","7","7","5","4","6","5","1") = "6"
    & skf21("6","7","7","5","4","6","6","1") = "6"
    & skf21("6","7","7","5","4","6","7","1") = "6"
    & skf21("6","7","7","5","4","7","1","1") = "6"
    & skf21("6","7","7","5","4","7","2","1") = "6"
    & skf21("6","7","7","5","4","7","3","1") = "6"
    & skf21("6","7","7","5","4","7","4","1") = "6"
    & skf21("6","7","7","5","4","7","5","1") = "6"
    & skf21("6","7","7","5","4","7","6","1") = "6"
    & skf21("6","7","7","5","4","7","7","1") = "6"
    & skf21("6","7","7","5","5","1","1","1") = "6"
    & skf21("6","7","7","5","5","1","2","1") = "6"
    & skf21("6","7","7","5","5","1","3","1") = "6"
    & skf21("6","7","7","5","5","1","4","1") = "6"
    & skf21("6","7","7","5","5","1","5","1") = "6"
    & skf21("6","7","7","5","5","1","6","1") = "6"
    & skf21("6","7","7","5","5","1","7","1") = "6"
    & skf21("6","7","7","5","5","2","1","1") = "6"
    & skf21("6","7","7","5","5","2","2","1") = "6"
    & skf21("6","7","7","5","5","2","3","1") = "6"
    & skf21("6","7","7","5","5","2","4","1") = "6"
    & skf21("6","7","7","5","5","2","5","1") = "6"
    & skf21("6","7","7","5","5","2","6","1") = "6"
    & skf21("6","7","7","5","5","2","7","1") = "6"
    & skf21("6","7","7","5","5","3","1","1") = "6"
    & skf21("6","7","7","5","5","3","2","1") = "6"
    & skf21("6","7","7","5","5","3","3","1") = "6"
    & skf21("6","7","7","5","5","3","4","1") = "6"
    & skf21("6","7","7","5","5","3","5","1") = "6"
    & skf21("6","7","7","5","5","3","6","1") = "6"
    & skf21("6","7","7","5","5","3","7","1") = "6"
    & skf21("6","7","7","5","5","4","1","1") = "6"
    & skf21("6","7","7","5","5","4","2","1") = "6"
    & skf21("6","7","7","5","5","4","3","1") = "6"
    & skf21("6","7","7","5","5","4","4","1") = "6"
    & skf21("6","7","7","5","5","4","5","1") = "6"
    & skf21("6","7","7","5","5","4","6","1") = "6"
    & skf21("6","7","7","5","5","4","7","1") = "6"
    & skf21("6","7","7","5","5","5","1","1") = "6"
    & skf21("6","7","7","5","5","5","2","1") = "6"
    & skf21("6","7","7","5","5","5","3","1") = "6"
    & skf21("6","7","7","5","5","5","4","1") = "6"
    & skf21("6","7","7","5","5","5","5","1") = "6"
    & skf21("6","7","7","5","5","5","6","1") = "6"
    & skf21("6","7","7","5","5","5","7","1") = "6"
    & skf21("6","7","7","5","5","6","1","1") = "6"
    & skf21("6","7","7","5","5","6","2","1") = "6"
    & skf21("6","7","7","5","5","6","3","1") = "6"
    & skf21("6","7","7","5","5","6","4","1") = "6"
    & skf21("6","7","7","5","5","6","5","1") = "6"
    & skf21("6","7","7","5","5","6","6","1") = "6"
    & skf21("6","7","7","5","5","6","7","1") = "6"
    & skf21("6","7","7","5","5","7","1","1") = "6"
    & skf21("6","7","7","5","5","7","2","1") = "6"
    & skf21("6","7","7","5","5","7","3","1") = "6"
    & skf21("6","7","7","5","5","7","4","1") = "6"
    & skf21("6","7","7","5","5","7","5","1") = "6"
    & skf21("6","7","7","5","5","7","6","1") = "6"
    & skf21("6","7","7","5","5","7","7","1") = "6"
    & skf21("6","7","7","5","6","1","1","1") = "6"
    & skf21("6","7","7","5","6","1","2","1") = "6"
    & skf21("6","7","7","5","6","1","3","1") = "6"
    & skf21("6","7","7","5","6","1","4","1") = "6"
    & skf21("6","7","7","5","6","1","5","1") = "6"
    & skf21("6","7","7","5","6","1","6","1") = "6"
    & skf21("6","7","7","5","6","1","7","1") = "6"
    & skf21("6","7","7","5","6","2","1","1") = "6"
    & skf21("6","7","7","5","6","2","2","1") = "6"
    & skf21("6","7","7","5","6","2","3","1") = "6"
    & skf21("6","7","7","5","6","2","4","1") = "6"
    & skf21("6","7","7","5","6","2","5","1") = "6"
    & skf21("6","7","7","5","6","2","6","1") = "6"
    & skf21("6","7","7","5","6","2","7","1") = "6"
    & skf21("6","7","7","5","6","3","1","1") = "6"
    & skf21("6","7","7","5","6","3","2","1") = "6"
    & skf21("6","7","7","5","6","3","3","1") = "6"
    & skf21("6","7","7","5","6","3","4","1") = "6"
    & skf21("6","7","7","5","6","3","5","1") = "6"
    & skf21("6","7","7","5","6","3","6","1") = "6"
    & skf21("6","7","7","5","6","3","7","1") = "6"
    & skf21("6","7","7","5","6","4","1","1") = "6"
    & skf21("6","7","7","5","6","4","2","1") = "6"
    & skf21("6","7","7","5","6","4","3","1") = "6"
    & skf21("6","7","7","5","6","4","4","1") = "6"
    & skf21("6","7","7","5","6","4","5","1") = "6"
    & skf21("6","7","7","5","6","4","6","1") = "6"
    & skf21("6","7","7","5","6","4","7","1") = "6"
    & skf21("6","7","7","5","6","5","1","1") = "6"
    & skf21("6","7","7","5","6","5","2","1") = "6"
    & skf21("6","7","7","5","6","5","3","1") = "6"
    & skf21("6","7","7","5","6","5","4","1") = "6"
    & skf21("6","7","7","5","6","5","5","1") = "6"
    & skf21("6","7","7","5","6","5","6","1") = "6"
    & skf21("6","7","7","5","6","5","7","1") = "6"
    & skf21("6","7","7","5","6","6","1","1") = "6"
    & skf21("6","7","7","5","6","6","2","1") = "6"
    & skf21("6","7","7","5","6","6","3","1") = "6"
    & skf21("6","7","7","5","6","6","4","1") = "6"
    & skf21("6","7","7","5","6","6","5","1") = "6"
    & skf21("6","7","7","5","6","6","6","1") = "6"
    & skf21("6","7","7","5","6","6","7","1") = "6"
    & skf21("6","7","7","5","6","7","1","1") = "6"
    & skf21("6","7","7","5","6","7","2","1") = "6"
    & skf21("6","7","7","5","6","7","3","1") = "6"
    & skf21("6","7","7","5","6","7","4","1") = "6"
    & skf21("6","7","7","5","6","7","5","1") = "6"
    & skf21("6","7","7","5","6","7","6","1") = "6"
    & skf21("6","7","7","5","6","7","7","1") = "6"
    & skf21("6","7","7","5","7","1","1","1") = "6"
    & skf21("6","7","7","5","7","1","2","1") = "6"
    & skf21("6","7","7","5","7","1","3","1") = "6"
    & skf21("6","7","7","5","7","1","4","1") = "6"
    & skf21("6","7","7","5","7","1","5","1") = "6"
    & skf21("6","7","7","5","7","1","6","1") = "6"
    & skf21("6","7","7","5","7","1","7","1") = "6"
    & skf21("6","7","7","5","7","2","1","1") = "6"
    & skf21("6","7","7","5","7","2","2","1") = "6"
    & skf21("6","7","7","5","7","2","3","1") = "6"
    & skf21("6","7","7","5","7","2","4","1") = "6"
    & skf21("6","7","7","5","7","2","5","1") = "6"
    & skf21("6","7","7","5","7","2","6","1") = "6"
    & skf21("6","7","7","5","7","2","7","1") = "6"
    & skf21("6","7","7","5","7","3","1","1") = "6"
    & skf21("6","7","7","5","7","3","2","1") = "6"
    & skf21("6","7","7","5","7","3","3","1") = "6"
    & skf21("6","7","7","5","7","3","4","1") = "6"
    & skf21("6","7","7","5","7","3","5","1") = "6"
    & skf21("6","7","7","5","7","3","6","1") = "6"
    & skf21("6","7","7","5","7","3","7","1") = "6"
    & skf21("6","7","7","5","7","4","1","1") = "6"
    & skf21("6","7","7","5","7","4","2","1") = "6"
    & skf21("6","7","7","5","7","4","3","1") = "6"
    & skf21("6","7","7","5","7","4","4","1") = "6"
    & skf21("6","7","7","5","7","4","5","1") = "6"
    & skf21("6","7","7","5","7","4","6","1") = "6"
    & skf21("6","7","7","5","7","4","7","1") = "6"
    & skf21("6","7","7","5","7","5","1","1") = "6"
    & skf21("6","7","7","5","7","5","2","1") = "6"
    & skf21("6","7","7","5","7","5","3","1") = "6"
    & skf21("6","7","7","5","7","5","4","1") = "6"
    & skf21("6","7","7","5","7","5","5","1") = "6"
    & skf21("6","7","7","5","7","5","6","1") = "6"
    & skf21("6","7","7","5","7","5","7","1") = "6"
    & skf21("6","7","7","5","7","6","1","1") = "6"
    & skf21("6","7","7","5","7","6","2","1") = "6"
    & skf21("6","7","7","5","7","6","3","1") = "6"
    & skf21("6","7","7","5","7","6","4","1") = "6"
    & skf21("6","7","7","5","7","6","5","1") = "6"
    & skf21("6","7","7","5","7","6","6","1") = "6"
    & skf21("6","7","7","5","7","6","7","1") = "6"
    & skf21("6","7","7","5","7","7","1","1") = "6"
    & skf21("6","7","7","5","7","7","2","1") = "6"
    & skf21("6","7","7","5","7","7","3","1") = "6"
    & skf21("6","7","7","5","7","7","4","1") = "6"
    & skf21("6","7","7","5","7","7","5","1") = "6"
    & skf21("6","7","7","5","7","7","6","1") = "6"
    & skf21("6","7","7","5","7","7","7","1") = "6"
    & skf21("6","7","7","6","1","1","1","1") = "6"
    & skf21("6","7","7","6","1","1","2","1") = "6"
    & skf21("6","7","7","6","1","1","3","1") = "6"
    & skf21("6","7","7","6","1","1","4","1") = "6"
    & skf21("6","7","7","6","1","1","5","1") = "6"
    & skf21("6","7","7","6","1","1","6","1") = "6"
    & skf21("6","7","7","6","1","1","7","1") = "6"
    & skf21("6","7","7","6","1","2","1","1") = "6"
    & skf21("6","7","7","6","1","2","2","1") = "6"
    & skf21("6","7","7","6","1","2","3","1") = "6"
    & skf21("6","7","7","6","1","2","4","1") = "6"
    & skf21("6","7","7","6","1","2","5","1") = "6"
    & skf21("6","7","7","6","1","2","6","1") = "6"
    & skf21("6","7","7","6","1","2","7","1") = "6"
    & skf21("6","7","7","6","1","3","1","1") = "6"
    & skf21("6","7","7","6","1","3","2","1") = "6"
    & skf21("6","7","7","6","1","3","3","1") = "6"
    & skf21("6","7","7","6","1","3","4","1") = "6"
    & skf21("6","7","7","6","1","3","5","1") = "6"
    & skf21("6","7","7","6","1","3","6","1") = "6"
    & skf21("6","7","7","6","1","3","7","1") = "6"
    & skf21("6","7","7","6","1","4","1","1") = "6"
    & skf21("6","7","7","6","1","4","2","1") = "6"
    & skf21("6","7","7","6","1","4","3","1") = "6"
    & skf21("6","7","7","6","1","4","4","1") = "6"
    & skf21("6","7","7","6","1","4","5","1") = "6"
    & skf21("6","7","7","6","1","4","6","1") = "6"
    & skf21("6","7","7","6","1","4","7","1") = "6"
    & skf21("6","7","7","6","1","5","1","1") = "6"
    & skf21("6","7","7","6","1","5","2","1") = "6"
    & skf21("6","7","7","6","1","5","3","1") = "6"
    & skf21("6","7","7","6","1","5","4","1") = "6"
    & skf21("6","7","7","6","1","5","5","1") = "6"
    & skf21("6","7","7","6","1","5","6","1") = "6"
    & skf21("6","7","7","6","1","5","7","1") = "6"
    & skf21("6","7","7","6","1","6","1","1") = "6"
    & skf21("6","7","7","6","1","6","2","1") = "6"
    & skf21("6","7","7","6","1","6","3","1") = "6"
    & skf21("6","7","7","6","1","6","4","1") = "6"
    & skf21("6","7","7","6","1","6","5","1") = "6"
    & skf21("6","7","7","6","1","6","6","1") = "6"
    & skf21("6","7","7","6","1","6","7","1") = "6"
    & skf21("6","7","7","6","1","7","1","1") = "6"
    & skf21("6","7","7","6","1","7","2","1") = "6"
    & skf21("6","7","7","6","1","7","3","1") = "6"
    & skf21("6","7","7","6","1","7","4","1") = "6"
    & skf21("6","7","7","6","1","7","5","1") = "6"
    & skf21("6","7","7","6","1","7","6","1") = "6"
    & skf21("6","7","7","6","1","7","7","1") = "6"
    & skf21("6","7","7","6","2","1","1","1") = "6"
    & skf21("6","7","7","6","2","1","2","1") = "6"
    & skf21("6","7","7","6","2","1","3","1") = "6"
    & skf21("6","7","7","6","2","1","4","1") = "6"
    & skf21("6","7","7","6","2","1","5","1") = "6"
    & skf21("6","7","7","6","2","1","6","1") = "6"
    & skf21("6","7","7","6","2","1","7","1") = "6"
    & skf21("6","7","7","6","2","2","1","1") = "6"
    & skf21("6","7","7","6","2","2","2","1") = "6"
    & skf21("6","7","7","6","2","2","3","1") = "6"
    & skf21("6","7","7","6","2","2","4","1") = "6"
    & skf21("6","7","7","6","2","2","5","1") = "6"
    & skf21("6","7","7","6","2","2","6","1") = "6"
    & skf21("6","7","7","6","2","2","7","1") = "6"
    & skf21("6","7","7","6","2","3","1","1") = "6"
    & skf21("6","7","7","6","2","3","2","1") = "6"
    & skf21("6","7","7","6","2","3","3","1") = "6"
    & skf21("6","7","7","6","2","3","4","1") = "6"
    & skf21("6","7","7","6","2","3","5","1") = "6"
    & skf21("6","7","7","6","2","3","6","1") = "6"
    & skf21("6","7","7","6","2","3","7","1") = "6"
    & skf21("6","7","7","6","2","4","1","1") = "6"
    & skf21("6","7","7","6","2","4","2","1") = "6"
    & skf21("6","7","7","6","2","4","3","1") = "6"
    & skf21("6","7","7","6","2","4","4","1") = "6"
    & skf21("6","7","7","6","2","4","5","1") = "6"
    & skf21("6","7","7","6","2","4","6","1") = "6"
    & skf21("6","7","7","6","2","4","7","1") = "6"
    & skf21("6","7","7","6","2","5","1","1") = "6"
    & skf21("6","7","7","6","2","5","2","1") = "6"
    & skf21("6","7","7","6","2","5","3","1") = "6"
    & skf21("6","7","7","6","2","5","4","1") = "6"
    & skf21("6","7","7","6","2","5","5","1") = "6"
    & skf21("6","7","7","6","2","5","6","1") = "6"
    & skf21("6","7","7","6","2","5","7","1") = "6"
    & skf21("6","7","7","6","2","6","1","1") = "6"
    & skf21("6","7","7","6","2","6","2","1") = "6"
    & skf21("6","7","7","6","2","6","3","1") = "6"
    & skf21("6","7","7","6","2","6","4","1") = "6"
    & skf21("6","7","7","6","2","6","5","1") = "6"
    & skf21("6","7","7","6","2","6","6","1") = "6"
    & skf21("6","7","7","6","2","6","7","1") = "6"
    & skf21("6","7","7","6","2","7","1","1") = "6"
    & skf21("6","7","7","6","2","7","2","1") = "6"
    & skf21("6","7","7","6","2","7","3","1") = "6"
    & skf21("6","7","7","6","2","7","4","1") = "6"
    & skf21("6","7","7","6","2","7","5","1") = "6"
    & skf21("6","7","7","6","2","7","6","1") = "6"
    & skf21("6","7","7","6","2","7","7","1") = "6"
    & skf21("6","7","7","6","3","1","1","1") = "6"
    & skf21("6","7","7","6","3","1","2","1") = "6"
    & skf21("6","7","7","6","3","1","3","1") = "6"
    & skf21("6","7","7","6","3","1","4","1") = "6"
    & skf21("6","7","7","6","3","1","5","1") = "6"
    & skf21("6","7","7","6","3","1","6","1") = "6"
    & skf21("6","7","7","6","3","1","7","1") = "6"
    & skf21("6","7","7","6","3","2","1","1") = "6"
    & skf21("6","7","7","6","3","2","2","1") = "6"
    & skf21("6","7","7","6","3","2","3","1") = "6"
    & skf21("6","7","7","6","3","2","4","1") = "6"
    & skf21("6","7","7","6","3","2","5","1") = "6"
    & skf21("6","7","7","6","3","2","6","1") = "6"
    & skf21("6","7","7","6","3","2","7","1") = "6"
    & skf21("6","7","7","6","3","3","1","1") = "6"
    & skf21("6","7","7","6","3","3","2","1") = "6"
    & skf21("6","7","7","6","3","3","3","1") = "6"
    & skf21("6","7","7","6","3","3","4","1") = "6"
    & skf21("6","7","7","6","3","3","5","1") = "6"
    & skf21("6","7","7","6","3","3","6","1") = "6"
    & skf21("6","7","7","6","3","3","7","1") = "6"
    & skf21("6","7","7","6","3","4","1","1") = "6"
    & skf21("6","7","7","6","3","4","2","1") = "6"
    & skf21("6","7","7","6","3","4","3","1") = "6"
    & skf21("6","7","7","6","3","4","4","1") = "6"
    & skf21("6","7","7","6","3","4","5","1") = "6"
    & skf21("6","7","7","6","3","4","6","1") = "6"
    & skf21("6","7","7","6","3","4","7","1") = "6"
    & skf21("6","7","7","6","3","5","1","1") = "6"
    & skf21("6","7","7","6","3","5","2","1") = "6"
    & skf21("6","7","7","6","3","5","3","1") = "6"
    & skf21("6","7","7","6","3","5","4","1") = "6"
    & skf21("6","7","7","6","3","5","5","1") = "6"
    & skf21("6","7","7","6","3","5","6","1") = "6"
    & skf21("6","7","7","6","3","5","7","1") = "6"
    & skf21("6","7","7","6","3","6","1","1") = "6"
    & skf21("6","7","7","6","3","6","2","1") = "6"
    & skf21("6","7","7","6","3","6","3","1") = "6"
    & skf21("6","7","7","6","3","6","4","1") = "6"
    & skf21("6","7","7","6","3","6","5","1") = "6"
    & skf21("6","7","7","6","3","6","6","1") = "6"
    & skf21("6","7","7","6","3","6","7","1") = "6"
    & skf21("6","7","7","6","3","7","1","1") = "6"
    & skf21("6","7","7","6","3","7","2","1") = "6"
    & skf21("6","7","7","6","3","7","3","1") = "6"
    & skf21("6","7","7","6","3","7","4","1") = "6"
    & skf21("6","7","7","6","3","7","5","1") = "6"
    & skf21("6","7","7","6","3","7","6","1") = "6"
    & skf21("6","7","7","6","3","7","7","1") = "6"
    & skf21("6","7","7","6","4","1","1","1") = "6"
    & skf21("6","7","7","6","4","1","2","1") = "6"
    & skf21("6","7","7","6","4","1","3","1") = "6"
    & skf21("6","7","7","6","4","1","4","1") = "6"
    & skf21("6","7","7","6","4","1","5","1") = "6"
    & skf21("6","7","7","6","4","1","6","1") = "6"
    & skf21("6","7","7","6","4","1","7","1") = "6"
    & skf21("6","7","7","6","4","2","1","1") = "6"
    & skf21("6","7","7","6","4","2","2","1") = "6"
    & skf21("6","7","7","6","4","2","3","1") = "6"
    & skf21("6","7","7","6","4","2","4","1") = "6"
    & skf21("6","7","7","6","4","2","5","1") = "6"
    & skf21("6","7","7","6","4","2","6","1") = "6"
    & skf21("6","7","7","6","4","2","7","1") = "6"
    & skf21("6","7","7","6","4","3","1","1") = "6"
    & skf21("6","7","7","6","4","3","2","1") = "6"
    & skf21("6","7","7","6","4","3","3","1") = "6"
    & skf21("6","7","7","6","4","3","4","1") = "6"
    & skf21("6","7","7","6","4","3","5","1") = "6"
    & skf21("6","7","7","6","4","3","6","1") = "6"
    & skf21("6","7","7","6","4","3","7","1") = "6"
    & skf21("6","7","7","6","4","4","1","1") = "6"
    & skf21("6","7","7","6","4","4","2","1") = "6"
    & skf21("6","7","7","6","4","4","3","1") = "6"
    & skf21("6","7","7","6","4","4","4","1") = "6"
    & skf21("6","7","7","6","4","4","5","1") = "6"
    & skf21("6","7","7","6","4","4","6","1") = "6"
    & skf21("6","7","7","6","4","4","7","1") = "6"
    & skf21("6","7","7","6","4","5","1","1") = "6"
    & skf21("6","7","7","6","4","5","2","1") = "6"
    & skf21("6","7","7","6","4","5","3","1") = "6"
    & skf21("6","7","7","6","4","5","4","1") = "6"
    & skf21("6","7","7","6","4","5","5","1") = "6"
    & skf21("6","7","7","6","4","5","6","1") = "6"
    & skf21("6","7","7","6","4","5","7","1") = "6"
    & skf21("6","7","7","6","4","6","1","1") = "6"
    & skf21("6","7","7","6","4","6","2","1") = "6"
    & skf21("6","7","7","6","4","6","3","1") = "6"
    & skf21("6","7","7","6","4","6","4","1") = "6"
    & skf21("6","7","7","6","4","6","5","1") = "6"
    & skf21("6","7","7","6","4","6","6","1") = "6"
    & skf21("6","7","7","6","4","6","7","1") = "6"
    & skf21("6","7","7","6","4","7","1","1") = "6"
    & skf21("6","7","7","6","4","7","2","1") = "6"
    & skf21("6","7","7","6","4","7","3","1") = "6"
    & skf21("6","7","7","6","4","7","4","1") = "6"
    & skf21("6","7","7","6","4","7","5","1") = "6"
    & skf21("6","7","7","6","4","7","6","1") = "6"
    & skf21("6","7","7","6","4","7","7","1") = "6"
    & skf21("6","7","7","6","5","1","1","1") = "6"
    & skf21("6","7","7","6","5","1","2","1") = "6"
    & skf21("6","7","7","6","5","1","3","1") = "6"
    & skf21("6","7","7","6","5","1","4","1") = "6"
    & skf21("6","7","7","6","5","1","5","1") = "6"
    & skf21("6","7","7","6","5","1","6","1") = "6"
    & skf21("6","7","7","6","5","1","7","1") = "6"
    & skf21("6","7","7","6","5","2","1","1") = "6"
    & skf21("6","7","7","6","5","2","2","1") = "6"
    & skf21("6","7","7","6","5","2","3","1") = "6"
    & skf21("6","7","7","6","5","2","4","1") = "6"
    & skf21("6","7","7","6","5","2","5","1") = "6"
    & skf21("6","7","7","6","5","2","6","1") = "6"
    & skf21("6","7","7","6","5","2","7","1") = "6"
    & skf21("6","7","7","6","5","3","1","1") = "6"
    & skf21("6","7","7","6","5","3","2","1") = "6"
    & skf21("6","7","7","6","5","3","3","1") = "6"
    & skf21("6","7","7","6","5","3","4","1") = "6"
    & skf21("6","7","7","6","5","3","5","1") = "6"
    & skf21("6","7","7","6","5","3","6","1") = "6"
    & skf21("6","7","7","6","5","3","7","1") = "6"
    & skf21("6","7","7","6","5","4","1","1") = "6"
    & skf21("6","7","7","6","5","4","2","1") = "6"
    & skf21("6","7","7","6","5","4","3","1") = "6"
    & skf21("6","7","7","6","5","4","4","1") = "6"
    & skf21("6","7","7","6","5","4","5","1") = "6"
    & skf21("6","7","7","6","5","4","6","1") = "6"
    & skf21("6","7","7","6","5","4","7","1") = "6"
    & skf21("6","7","7","6","5","5","1","1") = "6"
    & skf21("6","7","7","6","5","5","2","1") = "6"
    & skf21("6","7","7","6","5","5","3","1") = "6"
    & skf21("6","7","7","6","5","5","4","1") = "6"
    & skf21("6","7","7","6","5","5","5","1") = "6"
    & skf21("6","7","7","6","5","5","6","1") = "6"
    & skf21("6","7","7","6","5","5","7","1") = "6"
    & skf21("6","7","7","6","5","6","1","1") = "6"
    & skf21("6","7","7","6","5","6","2","1") = "6"
    & skf21("6","7","7","6","5","6","3","1") = "6"
    & skf21("6","7","7","6","5","6","4","1") = "6"
    & skf21("6","7","7","6","5","6","5","1") = "6"
    & skf21("6","7","7","6","5","6","6","1") = "6"
    & skf21("6","7","7","6","5","6","7","1") = "6"
    & skf21("6","7","7","6","5","7","1","1") = "6"
    & skf21("6","7","7","6","5","7","2","1") = "6"
    & skf21("6","7","7","6","5","7","3","1") = "6"
    & skf21("6","7","7","6","5","7","4","1") = "6"
    & skf21("6","7","7","6","5","7","5","1") = "6"
    & skf21("6","7","7","6","5","7","6","1") = "6"
    & skf21("6","7","7","6","5","7","7","1") = "6"
    & skf21("6","7","7","6","6","1","1","1") = "6"
    & skf21("6","7","7","6","6","1","2","1") = "6"
    & skf21("6","7","7","6","6","1","3","1") = "6"
    & skf21("6","7","7","6","6","1","4","1") = "6"
    & skf21("6","7","7","6","6","1","5","1") = "6"
    & skf21("6","7","7","6","6","1","6","1") = "6"
    & skf21("6","7","7","6","6","1","7","1") = "6"
    & skf21("6","7","7","6","6","2","1","1") = "6"
    & skf21("6","7","7","6","6","2","2","1") = "6"
    & skf21("6","7","7","6","6","2","3","1") = "6"
    & skf21("6","7","7","6","6","2","4","1") = "6"
    & skf21("6","7","7","6","6","2","5","1") = "6"
    & skf21("6","7","7","6","6","2","6","1") = "6"
    & skf21("6","7","7","6","6","2","7","1") = "6"
    & skf21("6","7","7","6","6","3","1","1") = "6"
    & skf21("6","7","7","6","6","3","2","1") = "6"
    & skf21("6","7","7","6","6","3","3","1") = "6"
    & skf21("6","7","7","6","6","3","4","1") = "6"
    & skf21("6","7","7","6","6","3","5","1") = "6"
    & skf21("6","7","7","6","6","3","6","1") = "6"
    & skf21("6","7","7","6","6","3","7","1") = "6"
    & skf21("6","7","7","6","6","4","1","1") = "6"
    & skf21("6","7","7","6","6","4","2","1") = "6"
    & skf21("6","7","7","6","6","4","3","1") = "6"
    & skf21("6","7","7","6","6","4","4","1") = "6"
    & skf21("6","7","7","6","6","4","5","1") = "6"
    & skf21("6","7","7","6","6","4","6","1") = "6"
    & skf21("6","7","7","6","6","4","7","1") = "6"
    & skf21("6","7","7","6","6","5","1","1") = "6"
    & skf21("6","7","7","6","6","5","2","1") = "6"
    & skf21("6","7","7","6","6","5","3","1") = "6"
    & skf21("6","7","7","6","6","5","4","1") = "6"
    & skf21("6","7","7","6","6","5","5","1") = "6"
    & skf21("6","7","7","6","6","5","6","1") = "6"
    & skf21("6","7","7","6","6","5","7","1") = "6"
    & skf21("6","7","7","6","6","6","1","1") = "6"
    & skf21("6","7","7","6","6","6","2","1") = "6"
    & skf21("6","7","7","6","6","6","3","1") = "6"
    & skf21("6","7","7","6","6","6","4","1") = "6"
    & skf21("6","7","7","6","6","6","5","1") = "6"
    & skf21("6","7","7","6","6","6","6","1") = "6"
    & skf21("6","7","7","6","6","6","7","1") = "6"
    & skf21("6","7","7","6","6","7","1","1") = "6"
    & skf21("6","7","7","6","6","7","2","1") = "6"
    & skf21("6","7","7","6","6","7","3","1") = "6"
    & skf21("6","7","7","6","6","7","4","1") = "6"
    & skf21("6","7","7","6","6","7","5","1") = "6"
    & skf21("6","7","7","6","6","7","6","1") = "6"
    & skf21("6","7","7","6","6","7","7","1") = "6"
    & skf21("6","7","7","6","7","1","1","1") = "6"
    & skf21("6","7","7","6","7","1","2","1") = "6"
    & skf21("6","7","7","6","7","1","3","1") = "6"
    & skf21("6","7","7","6","7","1","4","1") = "6"
    & skf21("6","7","7","6","7","1","5","1") = "6"
    & skf21("6","7","7","6","7","1","6","1") = "6"
    & skf21("6","7","7","6","7","1","7","1") = "6"
    & skf21("6","7","7","6","7","2","1","1") = "6"
    & skf21("6","7","7","6","7","2","2","1") = "6"
    & skf21("6","7","7","6","7","2","3","1") = "6"
    & skf21("6","7","7","6","7","2","4","1") = "6"
    & skf21("6","7","7","6","7","2","5","1") = "6"
    & skf21("6","7","7","6","7","2","6","1") = "6"
    & skf21("6","7","7","6","7","2","7","1") = "6"
    & skf21("6","7","7","6","7","3","1","1") = "6"
    & skf21("6","7","7","6","7","3","2","1") = "6"
    & skf21("6","7","7","6","7","3","3","1") = "6"
    & skf21("6","7","7","6","7","3","4","1") = "6"
    & skf21("6","7","7","6","7","3","5","1") = "6"
    & skf21("6","7","7","6","7","3","6","1") = "6"
    & skf21("6","7","7","6","7","3","7","1") = "6"
    & skf21("6","7","7","6","7","4","1","1") = "6"
    & skf21("6","7","7","6","7","4","2","1") = "6"
    & skf21("6","7","7","6","7","4","3","1") = "6"
    & skf21("6","7","7","6","7","4","4","1") = "6"
    & skf21("6","7","7","6","7","4","5","1") = "6"
    & skf21("6","7","7","6","7","4","6","1") = "6"
    & skf21("6","7","7","6","7","4","7","1") = "6"
    & skf21("6","7","7","6","7","5","1","1") = "6"
    & skf21("6","7","7","6","7","5","2","1") = "6"
    & skf21("6","7","7","6","7","5","3","1") = "6"
    & skf21("6","7","7","6","7","5","4","1") = "6"
    & skf21("6","7","7","6","7","5","5","1") = "6"
    & skf21("6","7","7","6","7","5","6","1") = "6"
    & skf21("6","7","7","6","7","5","7","1") = "6"
    & skf21("6","7","7","6","7","6","1","1") = "6"
    & skf21("6","7","7","6","7","6","2","1") = "6"
    & skf21("6","7","7","6","7","6","3","1") = "6"
    & skf21("6","7","7","6","7","6","4","1") = "6"
    & skf21("6","7","7","6","7","6","5","1") = "6"
    & skf21("6","7","7","6","7","6","6","1") = "6"
    & skf21("6","7","7","6","7","6","7","1") = "6"
    & skf21("6","7","7","6","7","7","1","1") = "6"
    & skf21("6","7","7","6","7","7","2","1") = "6"
    & skf21("6","7","7","6","7","7","3","1") = "6"
    & skf21("6","7","7","6","7","7","4","1") = "6"
    & skf21("6","7","7","6","7","7","5","1") = "6"
    & skf21("6","7","7","6","7","7","6","1") = "6"
    & skf21("6","7","7","6","7","7","7","1") = "6"
    & skf21("6","7","7","7","1","1","1","1") = "6"
    & skf21("6","7","7","7","1","1","2","1") = "6"
    & skf21("6","7","7","7","1","1","3","1") = "6"
    & skf21("6","7","7","7","1","1","4","1") = "6"
    & skf21("6","7","7","7","1","1","5","1") = "6"
    & skf21("6","7","7","7","1","1","6","1") = "6"
    & skf21("6","7","7","7","1","1","7","1") = "6"
    & skf21("6","7","7","7","1","2","1","1") = "6"
    & skf21("6","7","7","7","1","2","2","1") = "6"
    & skf21("6","7","7","7","1","2","3","1") = "6"
    & skf21("6","7","7","7","1","2","4","1") = "6"
    & skf21("6","7","7","7","1","2","5","1") = "6"
    & skf21("6","7","7","7","1","2","6","1") = "6"
    & skf21("6","7","7","7","1","2","7","1") = "6"
    & skf21("6","7","7","7","1","3","1","1") = "6"
    & skf21("6","7","7","7","1","3","2","1") = "6"
    & skf21("6","7","7","7","1","3","3","1") = "6"
    & skf21("6","7","7","7","1","3","4","1") = "6"
    & skf21("6","7","7","7","1","3","5","1") = "6"
    & skf21("6","7","7","7","1","3","6","1") = "6"
    & skf21("6","7","7","7","1","3","7","1") = "6"
    & skf21("6","7","7","7","1","4","1","1") = "6"
    & skf21("6","7","7","7","1","4","2","1") = "6"
    & skf21("6","7","7","7","1","4","3","1") = "6"
    & skf21("6","7","7","7","1","4","4","1") = "6"
    & skf21("6","7","7","7","1","4","5","1") = "6"
    & skf21("6","7","7","7","1","4","6","1") = "6"
    & skf21("6","7","7","7","1","4","7","1") = "6"
    & skf21("6","7","7","7","1","5","1","1") = "6"
    & skf21("6","7","7","7","1","5","2","1") = "6"
    & skf21("6","7","7","7","1","5","3","1") = "6"
    & skf21("6","7","7","7","1","5","4","1") = "6"
    & skf21("6","7","7","7","1","5","5","1") = "6"
    & skf21("6","7","7","7","1","5","6","1") = "6"
    & skf21("6","7","7","7","1","5","7","1") = "6"
    & skf21("6","7","7","7","1","6","1","1") = "6"
    & skf21("6","7","7","7","1","6","2","1") = "6"
    & skf21("6","7","7","7","1","6","3","1") = "6"
    & skf21("6","7","7","7","1","6","4","1") = "6"
    & skf21("6","7","7","7","1","6","5","1") = "6"
    & skf21("6","7","7","7","1","6","6","1") = "6"
    & skf21("6","7","7","7","1","6","7","1") = "6"
    & skf21("6","7","7","7","1","7","1","1") = "6"
    & skf21("6","7","7","7","1","7","2","1") = "6"
    & skf21("6","7","7","7","1","7","3","1") = "6"
    & skf21("6","7","7","7","1","7","4","1") = "6"
    & skf21("6","7","7","7","1","7","5","1") = "6"
    & skf21("6","7","7","7","1","7","6","1") = "6"
    & skf21("6","7","7","7","1","7","7","1") = "6"
    & skf21("6","7","7","7","2","1","1","1") = "6"
    & skf21("6","7","7","7","2","1","2","1") = "6"
    & skf21("6","7","7","7","2","1","3","1") = "6"
    & skf21("6","7","7","7","2","1","4","1") = "6"
    & skf21("6","7","7","7","2","1","5","1") = "6"
    & skf21("6","7","7","7","2","1","6","1") = "6"
    & skf21("6","7","7","7","2","1","7","1") = "6"
    & skf21("6","7","7","7","2","2","1","1") = "6"
    & skf21("6","7","7","7","2","2","2","1") = "6"
    & skf21("6","7","7","7","2","2","3","1") = "6"
    & skf21("6","7","7","7","2","2","4","1") = "6"
    & skf21("6","7","7","7","2","2","5","1") = "6"
    & skf21("6","7","7","7","2","2","6","1") = "6"
    & skf21("6","7","7","7","2","2","7","1") = "6"
    & skf21("6","7","7","7","2","3","1","1") = "6"
    & skf21("6","7","7","7","2","3","2","1") = "6"
    & skf21("6","7","7","7","2","3","3","1") = "6"
    & skf21("6","7","7","7","2","3","4","1") = "6"
    & skf21("6","7","7","7","2","3","5","1") = "6"
    & skf21("6","7","7","7","2","3","6","1") = "6"
    & skf21("6","7","7","7","2","3","7","1") = "6"
    & skf21("6","7","7","7","2","4","1","1") = "6"
    & skf21("6","7","7","7","2","4","2","1") = "6"
    & skf21("6","7","7","7","2","4","3","1") = "6"
    & skf21("6","7","7","7","2","4","4","1") = "6"
    & skf21("6","7","7","7","2","4","5","1") = "6"
    & skf21("6","7","7","7","2","4","6","1") = "6"
    & skf21("6","7","7","7","2","4","7","1") = "6"
    & skf21("6","7","7","7","2","5","1","1") = "6"
    & skf21("6","7","7","7","2","5","2","1") = "6"
    & skf21("6","7","7","7","2","5","3","1") = "6"
    & skf21("6","7","7","7","2","5","4","1") = "6"
    & skf21("6","7","7","7","2","5","5","1") = "6"
    & skf21("6","7","7","7","2","5","6","1") = "6"
    & skf21("6","7","7","7","2","5","7","1") = "6"
    & skf21("6","7","7","7","2","6","1","1") = "6"
    & skf21("6","7","7","7","2","6","2","1") = "6"
    & skf21("6","7","7","7","2","6","3","1") = "6"
    & skf21("6","7","7","7","2","6","4","1") = "6"
    & skf21("6","7","7","7","2","6","5","1") = "6"
    & skf21("6","7","7","7","2","6","6","1") = "6"
    & skf21("6","7","7","7","2","6","7","1") = "6"
    & skf21("6","7","7","7","2","7","1","1") = "6"
    & skf21("6","7","7","7","2","7","2","1") = "6"
    & skf21("6","7","7","7","2","7","3","1") = "6"
    & skf21("6","7","7","7","2","7","4","1") = "6"
    & skf21("6","7","7","7","2","7","5","1") = "6"
    & skf21("6","7","7","7","2","7","6","1") = "6"
    & skf21("6","7","7","7","2","7","7","1") = "6"
    & skf21("6","7","7","7","3","1","1","1") = "6"
    & skf21("6","7","7","7","3","1","2","1") = "6"
    & skf21("6","7","7","7","3","1","3","1") = "6"
    & skf21("6","7","7","7","3","1","4","1") = "6"
    & skf21("6","7","7","7","3","1","5","1") = "6"
    & skf21("6","7","7","7","3","1","6","1") = "6"
    & skf21("6","7","7","7","3","1","7","1") = "6"
    & skf21("6","7","7","7","3","2","1","1") = "6"
    & skf21("6","7","7","7","3","2","2","1") = "6"
    & skf21("6","7","7","7","3","2","3","1") = "6"
    & skf21("6","7","7","7","3","2","4","1") = "6"
    & skf21("6","7","7","7","3","2","5","1") = "6"
    & skf21("6","7","7","7","3","2","6","1") = "6"
    & skf21("6","7","7","7","3","2","7","1") = "6"
    & skf21("6","7","7","7","3","3","1","1") = "6"
    & skf21("6","7","7","7","3","3","2","1") = "6"
    & skf21("6","7","7","7","3","3","3","1") = "6"
    & skf21("6","7","7","7","3","3","4","1") = "6"
    & skf21("6","7","7","7","3","3","5","1") = "6"
    & skf21("6","7","7","7","3","3","6","1") = "6"
    & skf21("6","7","7","7","3","3","7","1") = "6"
    & skf21("6","7","7","7","3","4","1","1") = "6"
    & skf21("6","7","7","7","3","4","2","1") = "6"
    & skf21("6","7","7","7","3","4","3","1") = "6"
    & skf21("6","7","7","7","3","4","4","1") = "6"
    & skf21("6","7","7","7","3","4","5","1") = "6"
    & skf21("6","7","7","7","3","4","6","1") = "6"
    & skf21("6","7","7","7","3","4","7","1") = "6"
    & skf21("6","7","7","7","3","5","1","1") = "6"
    & skf21("6","7","7","7","3","5","2","1") = "6"
    & skf21("6","7","7","7","3","5","3","1") = "6"
    & skf21("6","7","7","7","3","5","4","1") = "6"
    & skf21("6","7","7","7","3","5","5","1") = "6"
    & skf21("6","7","7","7","3","5","6","1") = "6"
    & skf21("6","7","7","7","3","5","7","1") = "6"
    & skf21("6","7","7","7","3","6","1","1") = "6"
    & skf21("6","7","7","7","3","6","2","1") = "6"
    & skf21("6","7","7","7","3","6","3","1") = "6"
    & skf21("6","7","7","7","3","6","4","1") = "6"
    & skf21("6","7","7","7","3","6","5","1") = "6"
    & skf21("6","7","7","7","3","6","6","1") = "6"
    & skf21("6","7","7","7","3","6","7","1") = "6"
    & skf21("6","7","7","7","3","7","1","1") = "6"
    & skf21("6","7","7","7","3","7","2","1") = "6"
    & skf21("6","7","7","7","3","7","3","1") = "6"
    & skf21("6","7","7","7","3","7","4","1") = "6"
    & skf21("6","7","7","7","3","7","5","1") = "6"
    & skf21("6","7","7","7","3","7","6","1") = "6"
    & skf21("6","7","7","7","3","7","7","1") = "6"
    & skf21("6","7","7","7","4","1","1","1") = "6"
    & skf21("6","7","7","7","4","1","2","1") = "6"
    & skf21("6","7","7","7","4","1","3","1") = "6"
    & skf21("6","7","7","7","4","1","4","1") = "6"
    & skf21("6","7","7","7","4","1","5","1") = "6"
    & skf21("6","7","7","7","4","1","6","1") = "6"
    & skf21("6","7","7","7","4","1","7","1") = "6"
    & skf21("6","7","7","7","4","2","1","1") = "6"
    & skf21("6","7","7","7","4","2","2","1") = "6"
    & skf21("6","7","7","7","4","2","3","1") = "6"
    & skf21("6","7","7","7","4","2","4","1") = "6"
    & skf21("6","7","7","7","4","2","5","1") = "6"
    & skf21("6","7","7","7","4","2","6","1") = "6"
    & skf21("6","7","7","7","4","2","7","1") = "6"
    & skf21("6","7","7","7","4","3","1","1") = "6"
    & skf21("6","7","7","7","4","3","2","1") = "6"
    & skf21("6","7","7","7","4","3","3","1") = "6"
    & skf21("6","7","7","7","4","3","4","1") = "6"
    & skf21("6","7","7","7","4","3","5","1") = "6"
    & skf21("6","7","7","7","4","3","6","1") = "6"
    & skf21("6","7","7","7","4","3","7","1") = "6"
    & skf21("6","7","7","7","4","4","1","1") = "6"
    & skf21("6","7","7","7","4","4","2","1") = "6"
    & skf21("6","7","7","7","4","4","3","1") = "6"
    & skf21("6","7","7","7","4","4","4","1") = "6"
    & skf21("6","7","7","7","4","4","5","1") = "6"
    & skf21("6","7","7","7","4","4","6","1") = "6"
    & skf21("6","7","7","7","4","4","7","1") = "6"
    & skf21("6","7","7","7","4","5","1","1") = "6"
    & skf21("6","7","7","7","4","5","2","1") = "6"
    & skf21("6","7","7","7","4","5","3","1") = "6"
    & skf21("6","7","7","7","4","5","4","1") = "6"
    & skf21("6","7","7","7","4","5","5","1") = "6"
    & skf21("6","7","7","7","4","5","6","1") = "6"
    & skf21("6","7","7","7","4","5","7","1") = "6"
    & skf21("6","7","7","7","4","6","1","1") = "6"
    & skf21("6","7","7","7","4","6","2","1") = "6"
    & skf21("6","7","7","7","4","6","3","1") = "6"
    & skf21("6","7","7","7","4","6","4","1") = "6"
    & skf21("6","7","7","7","4","6","5","1") = "6"
    & skf21("6","7","7","7","4","6","6","1") = "6"
    & skf21("6","7","7","7","4","6","7","1") = "6"
    & skf21("6","7","7","7","4","7","1","1") = "6"
    & skf21("6","7","7","7","4","7","2","1") = "6"
    & skf21("6","7","7","7","4","7","3","1") = "6"
    & skf21("6","7","7","7","4","7","4","1") = "6"
    & skf21("6","7","7","7","4","7","5","1") = "6"
    & skf21("6","7","7","7","4","7","6","1") = "6"
    & skf21("6","7","7","7","4","7","7","1") = "6"
    & skf21("6","7","7","7","5","1","1","1") = "6"
    & skf21("6","7","7","7","5","1","2","1") = "6"
    & skf21("6","7","7","7","5","1","3","1") = "6"
    & skf21("6","7","7","7","5","1","4","1") = "6"
    & skf21("6","7","7","7","5","1","5","1") = "6"
    & skf21("6","7","7","7","5","1","6","1") = "6"
    & skf21("6","7","7","7","5","1","7","1") = "6"
    & skf21("6","7","7","7","5","2","1","1") = "6"
    & skf21("6","7","7","7","5","2","2","1") = "6"
    & skf21("6","7","7","7","5","2","3","1") = "6"
    & skf21("6","7","7","7","5","2","4","1") = "6"
    & skf21("6","7","7","7","5","2","5","1") = "6"
    & skf21("6","7","7","7","5","2","6","1") = "6"
    & skf21("6","7","7","7","5","2","7","1") = "6"
    & skf21("6","7","7","7","5","3","1","1") = "6"
    & skf21("6","7","7","7","5","3","2","1") = "6"
    & skf21("6","7","7","7","5","3","3","1") = "6"
    & skf21("6","7","7","7","5","3","4","1") = "6"
    & skf21("6","7","7","7","5","3","5","1") = "6"
    & skf21("6","7","7","7","5","3","6","1") = "6"
    & skf21("6","7","7","7","5","3","7","1") = "6"
    & skf21("6","7","7","7","5","4","1","1") = "6"
    & skf21("6","7","7","7","5","4","2","1") = "6"
    & skf21("6","7","7","7","5","4","3","1") = "6"
    & skf21("6","7","7","7","5","4","4","1") = "6"
    & skf21("6","7","7","7","5","4","5","1") = "6"
    & skf21("6","7","7","7","5","4","6","1") = "6"
    & skf21("6","7","7","7","5","4","7","1") = "6"
    & skf21("6","7","7","7","5","5","1","1") = "6"
    & skf21("6","7","7","7","5","5","2","1") = "6"
    & skf21("6","7","7","7","5","5","3","1") = "6"
    & skf21("6","7","7","7","5","5","4","1") = "6"
    & skf21("6","7","7","7","5","5","5","1") = "6"
    & skf21("6","7","7","7","5","5","6","1") = "6"
    & skf21("6","7","7","7","5","5","7","1") = "6"
    & skf21("6","7","7","7","5","6","1","1") = "6"
    & skf21("6","7","7","7","5","6","2","1") = "6"
    & skf21("6","7","7","7","5","6","3","1") = "6"
    & skf21("6","7","7","7","5","6","4","1") = "6"
    & skf21("6","7","7","7","5","6","5","1") = "6"
    & skf21("6","7","7","7","5","6","6","1") = "6"
    & skf21("6","7","7","7","5","6","7","1") = "6"
    & skf21("6","7","7","7","5","7","1","1") = "6"
    & skf21("6","7","7","7","5","7","2","1") = "6"
    & skf21("6","7","7","7","5","7","3","1") = "6"
    & skf21("6","7","7","7","5","7","4","1") = "6"
    & skf21("6","7","7","7","5","7","5","1") = "6"
    & skf21("6","7","7","7","5","7","6","1") = "6"
    & skf21("6","7","7","7","5","7","7","1") = "6"
    & skf21("6","7","7","7","6","1","1","1") = "6"
    & skf21("6","7","7","7","6","1","2","1") = "6"
    & skf21("6","7","7","7","6","1","3","1") = "6"
    & skf21("6","7","7","7","6","1","4","1") = "6"
    & skf21("6","7","7","7","6","1","5","1") = "6"
    & skf21("6","7","7","7","6","1","6","1") = "6"
    & skf21("6","7","7","7","6","1","7","1") = "6"
    & skf21("6","7","7","7","6","2","1","1") = "6"
    & skf21("6","7","7","7","6","2","2","1") = "6"
    & skf21("6","7","7","7","6","2","3","1") = "6"
    & skf21("6","7","7","7","6","2","4","1") = "6"
    & skf21("6","7","7","7","6","2","5","1") = "6"
    & skf21("6","7","7","7","6","2","6","1") = "6"
    & skf21("6","7","7","7","6","2","7","1") = "6"
    & skf21("6","7","7","7","6","3","1","1") = "6"
    & skf21("6","7","7","7","6","3","2","1") = "6"
    & skf21("6","7","7","7","6","3","3","1") = "6"
    & skf21("6","7","7","7","6","3","4","1") = "6"
    & skf21("6","7","7","7","6","3","5","1") = "6"
    & skf21("6","7","7","7","6","3","6","1") = "6"
    & skf21("6","7","7","7","6","3","7","1") = "6"
    & skf21("6","7","7","7","6","4","1","1") = "6"
    & skf21("6","7","7","7","6","4","2","1") = "6"
    & skf21("6","7","7","7","6","4","3","1") = "6"
    & skf21("6","7","7","7","6","4","4","1") = "6"
    & skf21("6","7","7","7","6","4","5","1") = "6"
    & skf21("6","7","7","7","6","4","6","1") = "6"
    & skf21("6","7","7","7","6","4","7","1") = "6"
    & skf21("6","7","7","7","6","5","1","1") = "6"
    & skf21("6","7","7","7","6","5","2","1") = "6"
    & skf21("6","7","7","7","6","5","3","1") = "6"
    & skf21("6","7","7","7","6","5","4","1") = "6"
    & skf21("6","7","7","7","6","5","5","1") = "6"
    & skf21("6","7","7","7","6","5","6","1") = "6"
    & skf21("6","7","7","7","6","5","7","1") = "6"
    & skf21("6","7","7","7","6","6","1","1") = "6"
    & skf21("6","7","7","7","6","6","2","1") = "6"
    & skf21("6","7","7","7","6","6","3","1") = "6"
    & skf21("6","7","7","7","6","6","4","1") = "6"
    & skf21("6","7","7","7","6","6","5","1") = "6"
    & skf21("6","7","7","7","6","6","6","1") = "6"
    & skf21("6","7","7","7","6","6","7","1") = "6"
    & skf21("6","7","7","7","6","7","1","1") = "6"
    & skf21("6","7","7","7","6","7","2","1") = "6"
    & skf21("6","7","7","7","6","7","3","1") = "6"
    & skf21("6","7","7","7","6","7","4","1") = "6"
    & skf21("6","7","7","7","6","7","5","1") = "6"
    & skf21("6","7","7","7","6","7","6","1") = "6"
    & skf21("6","7","7","7","6","7","7","1") = "6"
    & skf21("6","7","7","7","7","1","1","1") = "6"
    & skf21("6","7","7","7","7","1","2","1") = "6"
    & skf21("6","7","7","7","7","1","3","1") = "6"
    & skf21("6","7","7","7","7","1","4","1") = "6"
    & skf21("6","7","7","7","7","1","5","1") = "6"
    & skf21("6","7","7","7","7","1","6","1") = "6"
    & skf21("6","7","7","7","7","1","7","1") = "6"
    & skf21("6","7","7","7","7","2","1","1") = "6"
    & skf21("6","7","7","7","7","2","2","1") = "6"
    & skf21("6","7","7","7","7","2","3","1") = "6"
    & skf21("6","7","7","7","7","2","4","1") = "6"
    & skf21("6","7","7","7","7","2","5","1") = "6"
    & skf21("6","7","7","7","7","2","6","1") = "6"
    & skf21("6","7","7","7","7","2","7","1") = "6"
    & skf21("6","7","7","7","7","3","1","1") = "6"
    & skf21("6","7","7","7","7","3","2","1") = "6"
    & skf21("6","7","7","7","7","3","3","1") = "6"
    & skf21("6","7","7","7","7","3","4","1") = "6"
    & skf21("6","7","7","7","7","3","5","1") = "6"
    & skf21("6","7","7","7","7","3","6","1") = "6"
    & skf21("6","7","7","7","7","3","7","1") = "6"
    & skf21("6","7","7","7","7","4","1","1") = "6"
    & skf21("6","7","7","7","7","4","2","1") = "6"
    & skf21("6","7","7","7","7","4","3","1") = "6"
    & skf21("6","7","7","7","7","4","4","1") = "6"
    & skf21("6","7","7","7","7","4","5","1") = "6"
    & skf21("6","7","7","7","7","4","6","1") = "6"
    & skf21("6","7","7","7","7","4","7","1") = "6"
    & skf21("6","7","7","7","7","5","1","1") = "6"
    & skf21("6","7","7","7","7","5","2","1") = "6"
    & skf21("6","7","7","7","7","5","3","1") = "6"
    & skf21("6","7","7","7","7","5","4","1") = "6"
    & skf21("6","7","7","7","7","5","5","1") = "6"
    & skf21("6","7","7","7","7","5","6","1") = "6"
    & skf21("6","7","7","7","7","5","7","1") = "6"
    & skf21("6","7","7","7","7","6","1","1") = "6"
    & skf21("6","7","7","7","7","6","2","1") = "6"
    & skf21("6","7","7","7","7","6","3","1") = "6"
    & skf21("6","7","7","7","7","6","4","1") = "6"
    & skf21("6","7","7","7","7","6","5","1") = "6"
    & skf21("6","7","7","7","7","6","6","1") = "6"
    & skf21("6","7","7","7","7","6","7","1") = "6"
    & skf21("6","7","7","7","7","7","1","1") = "6"
    & skf21("6","7","7","7","7","7","2","1") = "6"
    & skf21("6","7","7","7","7","7","3","1") = "6"
    & skf21("6","7","7","7","7","7","4","1") = "6"
    & skf21("6","7","7","7","7","7","5","1") = "6"
    & skf21("6","7","7","7","7","7","6","1") = "6"
    & skf21("6","7","7","7","7","7","7","1") = "6"
    & skf21("7","1","1","1","1","1","1","1") = "6"
    & skf21("7","1","1","1","1","1","2","1") = "6"
    & skf21("7","1","1","1","1","1","3","1") = "6"
    & skf21("7","1","1","1","1","1","4","1") = "6"
    & skf21("7","1","1","1","1","1","5","1") = "6"
    & skf21("7","1","1","1","1","1","6","1") = "6"
    & skf21("7","1","1","1","1","1","7","1") = "6"
    & skf21("7","1","1","1","1","2","1","1") = "6"
    & skf21("7","1","1","1","1","2","2","1") = "6"
    & skf21("7","1","1","1","1","2","3","1") = "6"
    & skf21("7","1","1","1","1","2","4","1") = "6"
    & skf21("7","1","1","1","1","2","5","1") = "6"
    & skf21("7","1","1","1","1","2","6","1") = "6"
    & skf21("7","1","1","1","1","2","7","1") = "6"
    & skf21("7","1","1","1","1","3","1","1") = "6"
    & skf21("7","1","1","1","1","3","2","1") = "6"
    & skf21("7","1","1","1","1","3","3","1") = "6"
    & skf21("7","1","1","1","1","3","4","1") = "6"
    & skf21("7","1","1","1","1","3","5","1") = "6"
    & skf21("7","1","1","1","1","3","6","1") = "6"
    & skf21("7","1","1","1","1","3","7","1") = "6"
    & skf21("7","1","1","1","1","4","1","1") = "6"
    & skf21("7","1","1","1","1","4","2","1") = "6"
    & skf21("7","1","1","1","1","4","3","1") = "6"
    & skf21("7","1","1","1","1","4","4","1") = "6"
    & skf21("7","1","1","1","1","4","5","1") = "6"
    & skf21("7","1","1","1","1","4","6","1") = "6"
    & skf21("7","1","1","1","1","4","7","1") = "6"
    & skf21("7","1","1","1","1","5","1","1") = "6"
    & skf21("7","1","1","1","1","5","2","1") = "6"
    & skf21("7","1","1","1","1","5","3","1") = "6"
    & skf21("7","1","1","1","1","5","4","1") = "6"
    & skf21("7","1","1","1","1","5","5","1") = "6"
    & skf21("7","1","1","1","1","5","6","1") = "6"
    & skf21("7","1","1","1","1","5","7","1") = "6"
    & skf21("7","1","1","1","1","6","1","1") = "6"
    & skf21("7","1","1","1","1","6","2","1") = "6"
    & skf21("7","1","1","1","1","6","3","1") = "6"
    & skf21("7","1","1","1","1","6","4","1") = "6"
    & skf21("7","1","1","1","1","6","5","1") = "6"
    & skf21("7","1","1","1","1","6","6","1") = "6"
    & skf21("7","1","1","1","1","6","7","1") = "6"
    & skf21("7","1","1","1","1","7","1","1") = "6"
    & skf21("7","1","1","1","1","7","2","1") = "6"
    & skf21("7","1","1","1","1","7","3","1") = "6"
    & skf21("7","1","1","1","1","7","4","1") = "6"
    & skf21("7","1","1","1","1","7","5","1") = "6"
    & skf21("7","1","1","1","1","7","6","1") = "6"
    & skf21("7","1","1","1","1","7","7","1") = "6"
    & skf21("7","1","1","1","2","1","1","1") = "6"
    & skf21("7","1","1","1","2","1","2","1") = "6"
    & skf21("7","1","1","1","2","1","3","1") = "6"
    & skf21("7","1","1","1","2","1","4","1") = "6"
    & skf21("7","1","1","1","2","1","5","1") = "6"
    & skf21("7","1","1","1","2","1","6","1") = "6"
    & skf21("7","1","1","1","2","1","7","1") = "6"
    & skf21("7","1","1","1","2","2","1","1") = "6"
    & skf21("7","1","1","1","2","2","2","1") = "6"
    & skf21("7","1","1","1","2","2","3","1") = "6"
    & skf21("7","1","1","1","2","2","4","1") = "6"
    & skf21("7","1","1","1","2","2","5","1") = "6"
    & skf21("7","1","1","1","2","2","6","1") = "6"
    & skf21("7","1","1","1","2","2","7","1") = "6"
    & skf21("7","1","1","1","2","3","1","1") = "6"
    & skf21("7","1","1","1","2","3","2","1") = "6"
    & skf21("7","1","1","1","2","3","3","1") = "6"
    & skf21("7","1","1","1","2","3","4","1") = "6"
    & skf21("7","1","1","1","2","3","5","1") = "6"
    & skf21("7","1","1","1","2","3","6","1") = "6"
    & skf21("7","1","1","1","2","3","7","1") = "6"
    & skf21("7","1","1","1","2","4","1","1") = "6"
    & skf21("7","1","1","1","2","4","2","1") = "6"
    & skf21("7","1","1","1","2","4","3","1") = "6"
    & skf21("7","1","1","1","2","4","4","1") = "6"
    & skf21("7","1","1","1","2","4","5","1") = "6"
    & skf21("7","1","1","1","2","4","6","1") = "6"
    & skf21("7","1","1","1","2","4","7","1") = "6"
    & skf21("7","1","1","1","2","5","1","1") = "6"
    & skf21("7","1","1","1","2","5","2","1") = "6"
    & skf21("7","1","1","1","2","5","3","1") = "6"
    & skf21("7","1","1","1","2","5","4","1") = "6"
    & skf21("7","1","1","1","2","5","5","1") = "6"
    & skf21("7","1","1","1","2","5","6","1") = "6"
    & skf21("7","1","1","1","2","5","7","1") = "6"
    & skf21("7","1","1","1","2","6","1","1") = "6"
    & skf21("7","1","1","1","2","6","2","1") = "6"
    & skf21("7","1","1","1","2","6","3","1") = "6"
    & skf21("7","1","1","1","2","6","4","1") = "6"
    & skf21("7","1","1","1","2","6","5","1") = "6"
    & skf21("7","1","1","1","2","6","6","1") = "6"
    & skf21("7","1","1","1","2","6","7","1") = "6"
    & skf21("7","1","1","1","2","7","1","1") = "6"
    & skf21("7","1","1","1","2","7","2","1") = "6"
    & skf21("7","1","1","1","2","7","3","1") = "6"
    & skf21("7","1","1","1","2","7","4","1") = "6"
    & skf21("7","1","1","1","2","7","5","1") = "6"
    & skf21("7","1","1","1","2","7","6","1") = "6"
    & skf21("7","1","1","1","2","7","7","1") = "6"
    & skf21("7","1","1","1","3","1","1","1") = "6"
    & skf21("7","1","1","1","3","1","2","1") = "6"
    & skf21("7","1","1","1","3","1","3","1") = "6"
    & skf21("7","1","1","1","3","1","4","1") = "6"
    & skf21("7","1","1","1","3","1","5","1") = "6"
    & skf21("7","1","1","1","3","1","6","1") = "6"
    & skf21("7","1","1","1","3","1","7","1") = "6"
    & skf21("7","1","1","1","3","2","1","1") = "6"
    & skf21("7","1","1","1","3","2","2","1") = "6"
    & skf21("7","1","1","1","3","2","3","1") = "6"
    & skf21("7","1","1","1","3","2","4","1") = "6"
    & skf21("7","1","1","1","3","2","5","1") = "6"
    & skf21("7","1","1","1","3","2","6","1") = "6"
    & skf21("7","1","1","1","3","2","7","1") = "6"
    & skf21("7","1","1","1","3","3","1","1") = "6"
    & skf21("7","1","1","1","3","3","2","1") = "6"
    & skf21("7","1","1","1","3","3","3","1") = "6"
    & skf21("7","1","1","1","3","3","4","1") = "6"
    & skf21("7","1","1","1","3","3","5","1") = "6"
    & skf21("7","1","1","1","3","3","6","1") = "6"
    & skf21("7","1","1","1","3","3","7","1") = "6"
    & skf21("7","1","1","1","3","4","1","1") = "6"
    & skf21("7","1","1","1","3","4","2","1") = "6"
    & skf21("7","1","1","1","3","4","3","1") = "6"
    & skf21("7","1","1","1","3","4","4","1") = "6"
    & skf21("7","1","1","1","3","4","5","1") = "6"
    & skf21("7","1","1","1","3","4","6","1") = "6"
    & skf21("7","1","1","1","3","4","7","1") = "6"
    & skf21("7","1","1","1","3","5","1","1") = "6"
    & skf21("7","1","1","1","3","5","2","1") = "6"
    & skf21("7","1","1","1","3","5","3","1") = "6"
    & skf21("7","1","1","1","3","5","4","1") = "6"
    & skf21("7","1","1","1","3","5","5","1") = "6"
    & skf21("7","1","1","1","3","5","6","1") = "6"
    & skf21("7","1","1","1","3","5","7","1") = "6"
    & skf21("7","1","1","1","3","6","1","1") = "6"
    & skf21("7","1","1","1","3","6","2","1") = "6"
    & skf21("7","1","1","1","3","6","3","1") = "6"
    & skf21("7","1","1","1","3","6","4","1") = "6"
    & skf21("7","1","1","1","3","6","5","1") = "6"
    & skf21("7","1","1","1","3","6","6","1") = "6"
    & skf21("7","1","1","1","3","6","7","1") = "6"
    & skf21("7","1","1","1","3","7","1","1") = "6"
    & skf21("7","1","1","1","3","7","2","1") = "6"
    & skf21("7","1","1","1","3","7","3","1") = "6"
    & skf21("7","1","1","1","3","7","4","1") = "6"
    & skf21("7","1","1","1","3","7","5","1") = "6"
    & skf21("7","1","1","1","3","7","6","1") = "6"
    & skf21("7","1","1","1","3","7","7","1") = "6"
    & skf21("7","1","1","1","4","1","1","1") = "6"
    & skf21("7","1","1","1","4","1","2","1") = "6"
    & skf21("7","1","1","1","4","1","3","1") = "6"
    & skf21("7","1","1","1","4","1","4","1") = "6"
    & skf21("7","1","1","1","4","1","5","1") = "6"
    & skf21("7","1","1","1","4","1","6","1") = "6"
    & skf21("7","1","1","1","4","1","7","1") = "6"
    & skf21("7","1","1","1","4","2","1","1") = "6"
    & skf21("7","1","1","1","4","2","2","1") = "6"
    & skf21("7","1","1","1","4","2","3","1") = "6"
    & skf21("7","1","1","1","4","2","4","1") = "6"
    & skf21("7","1","1","1","4","2","5","1") = "6"
    & skf21("7","1","1","1","4","2","6","1") = "6"
    & skf21("7","1","1","1","4","2","7","1") = "6"
    & skf21("7","1","1","1","4","3","1","1") = "6"
    & skf21("7","1","1","1","4","3","2","1") = "6"
    & skf21("7","1","1","1","4","3","3","1") = "6"
    & skf21("7","1","1","1","4","3","4","1") = "6"
    & skf21("7","1","1","1","4","3","5","1") = "6"
    & skf21("7","1","1","1","4","3","6","1") = "6"
    & skf21("7","1","1","1","4","3","7","1") = "6"
    & skf21("7","1","1","1","4","4","1","1") = "6"
    & skf21("7","1","1","1","4","4","2","1") = "6"
    & skf21("7","1","1","1","4","4","3","1") = "6"
    & skf21("7","1","1","1","4","4","4","1") = "6"
    & skf21("7","1","1","1","4","4","5","1") = "6"
    & skf21("7","1","1","1","4","4","6","1") = "6"
    & skf21("7","1","1","1","4","4","7","1") = "6"
    & skf21("7","1","1","1","4","5","1","1") = "6"
    & skf21("7","1","1","1","4","5","2","1") = "6"
    & skf21("7","1","1","1","4","5","3","1") = "6"
    & skf21("7","1","1","1","4","5","4","1") = "6"
    & skf21("7","1","1","1","4","5","5","1") = "6"
    & skf21("7","1","1","1","4","5","6","1") = "6"
    & skf21("7","1","1","1","4","5","7","1") = "6"
    & skf21("7","1","1","1","4","6","1","1") = "6"
    & skf21("7","1","1","1","4","6","2","1") = "6"
    & skf21("7","1","1","1","4","6","3","1") = "6"
    & skf21("7","1","1","1","4","6","4","1") = "6"
    & skf21("7","1","1","1","4","6","5","1") = "6"
    & skf21("7","1","1","1","4","6","6","1") = "6"
    & skf21("7","1","1","1","4","6","7","1") = "6"
    & skf21("7","1","1","1","4","7","1","1") = "6"
    & skf21("7","1","1","1","4","7","2","1") = "6"
    & skf21("7","1","1","1","4","7","3","1") = "6"
    & skf21("7","1","1","1","4","7","4","1") = "6"
    & skf21("7","1","1","1","4","7","5","1") = "6"
    & skf21("7","1","1","1","4","7","6","1") = "6"
    & skf21("7","1","1","1","4","7","7","1") = "6"
    & skf21("7","1","1","1","5","1","1","1") = "6"
    & skf21("7","1","1","1","5","1","2","1") = "6"
    & skf21("7","1","1","1","5","1","3","1") = "6"
    & skf21("7","1","1","1","5","1","4","1") = "6"
    & skf21("7","1","1","1","5","1","5","1") = "6"
    & skf21("7","1","1","1","5","1","6","1") = "6"
    & skf21("7","1","1","1","5","1","7","1") = "6"
    & skf21("7","1","1","1","5","2","1","1") = "6"
    & skf21("7","1","1","1","5","2","2","1") = "6"
    & skf21("7","1","1","1","5","2","3","1") = "6"
    & skf21("7","1","1","1","5","2","4","1") = "6"
    & skf21("7","1","1","1","5","2","5","1") = "6"
    & skf21("7","1","1","1","5","2","6","1") = "6"
    & skf21("7","1","1","1","5","2","7","1") = "6"
    & skf21("7","1","1","1","5","3","1","1") = "6"
    & skf21("7","1","1","1","5","3","2","1") = "6"
    & skf21("7","1","1","1","5","3","3","1") = "6"
    & skf21("7","1","1","1","5","3","4","1") = "6"
    & skf21("7","1","1","1","5","3","5","1") = "6"
    & skf21("7","1","1","1","5","3","6","1") = "6"
    & skf21("7","1","1","1","5","3","7","1") = "6"
    & skf21("7","1","1","1","5","4","1","1") = "6"
    & skf21("7","1","1","1","5","4","2","1") = "6"
    & skf21("7","1","1","1","5","4","3","1") = "6"
    & skf21("7","1","1","1","5","4","4","1") = "6"
    & skf21("7","1","1","1","5","4","5","1") = "6"
    & skf21("7","1","1","1","5","4","6","1") = "6"
    & skf21("7","1","1","1","5","4","7","1") = "6"
    & skf21("7","1","1","1","5","5","1","1") = "6"
    & skf21("7","1","1","1","5","5","2","1") = "6"
    & skf21("7","1","1","1","5","5","3","1") = "6"
    & skf21("7","1","1","1","5","5","4","1") = "6"
    & skf21("7","1","1","1","5","5","5","1") = "6"
    & skf21("7","1","1","1","5","5","6","1") = "6"
    & skf21("7","1","1","1","5","5","7","1") = "6"
    & skf21("7","1","1","1","5","6","1","1") = "6"
    & skf21("7","1","1","1","5","6","2","1") = "6"
    & skf21("7","1","1","1","5","6","3","1") = "6"
    & skf21("7","1","1","1","5","6","4","1") = "6"
    & skf21("7","1","1","1","5","6","5","1") = "6"
    & skf21("7","1","1","1","5","6","6","1") = "6"
    & skf21("7","1","1","1","5","6","7","1") = "6"
    & skf21("7","1","1","1","5","7","1","1") = "6"
    & skf21("7","1","1","1","5","7","2","1") = "6"
    & skf21("7","1","1","1","5","7","3","1") = "6"
    & skf21("7","1","1","1","5","7","4","1") = "6"
    & skf21("7","1","1","1","5","7","5","1") = "6"
    & skf21("7","1","1","1","5","7","6","1") = "6"
    & skf21("7","1","1","1","5","7","7","1") = "6"
    & skf21("7","1","1","1","6","1","1","1") = "6"
    & skf21("7","1","1","1","6","1","2","1") = "6"
    & skf21("7","1","1","1","6","1","3","1") = "6"
    & skf21("7","1","1","1","6","1","4","1") = "6"
    & skf21("7","1","1","1","6","1","5","1") = "6"
    & skf21("7","1","1","1","6","1","6","1") = "6"
    & skf21("7","1","1","1","6","1","7","1") = "6"
    & skf21("7","1","1","1","6","2","1","1") = "6"
    & skf21("7","1","1","1","6","2","2","1") = "6"
    & skf21("7","1","1","1","6","2","3","1") = "6"
    & skf21("7","1","1","1","6","2","4","1") = "6"
    & skf21("7","1","1","1","6","2","5","1") = "6"
    & skf21("7","1","1","1","6","2","6","1") = "6"
    & skf21("7","1","1","1","6","2","7","1") = "6"
    & skf21("7","1","1","1","6","3","1","1") = "6"
    & skf21("7","1","1","1","6","3","2","1") = "6"
    & skf21("7","1","1","1","6","3","3","1") = "6"
    & skf21("7","1","1","1","6","3","4","1") = "6"
    & skf21("7","1","1","1","6","3","5","1") = "6"
    & skf21("7","1","1","1","6","3","6","1") = "6"
    & skf21("7","1","1","1","6","3","7","1") = "6"
    & skf21("7","1","1","1","6","4","1","1") = "6"
    & skf21("7","1","1","1","6","4","2","1") = "6"
    & skf21("7","1","1","1","6","4","3","1") = "6"
    & skf21("7","1","1","1","6","4","4","1") = "6"
    & skf21("7","1","1","1","6","4","5","1") = "6"
    & skf21("7","1","1","1","6","4","6","1") = "6"
    & skf21("7","1","1","1","6","4","7","1") = "6"
    & skf21("7","1","1","1","6","5","1","1") = "6"
    & skf21("7","1","1","1","6","5","2","1") = "6"
    & skf21("7","1","1","1","6","5","3","1") = "6"
    & skf21("7","1","1","1","6","5","4","1") = "6"
    & skf21("7","1","1","1","6","5","5","1") = "6"
    & skf21("7","1","1","1","6","5","6","1") = "6"
    & skf21("7","1","1","1","6","5","7","1") = "6"
    & skf21("7","1","1","1","6","6","1","1") = "6"
    & skf21("7","1","1","1","6","6","2","1") = "6"
    & skf21("7","1","1","1","6","6","3","1") = "6"
    & skf21("7","1","1","1","6","6","4","1") = "6"
    & skf21("7","1","1","1","6","6","5","1") = "6"
    & skf21("7","1","1","1","6","6","6","1") = "6"
    & skf21("7","1","1","1","6","6","7","1") = "6"
    & skf21("7","1","1","1","6","7","1","1") = "6"
    & skf21("7","1","1","1","6","7","2","1") = "6"
    & skf21("7","1","1","1","6","7","3","1") = "6"
    & skf21("7","1","1","1","6","7","4","1") = "6"
    & skf21("7","1","1","1","6","7","5","1") = "6"
    & skf21("7","1","1","1","6","7","6","1") = "6"
    & skf21("7","1","1","1","6","7","7","1") = "6"
    & skf21("7","1","1","1","7","1","1","1") = "6"
    & skf21("7","1","1","1","7","1","2","1") = "6"
    & skf21("7","1","1","1","7","1","3","1") = "6"
    & skf21("7","1","1","1","7","1","4","1") = "6"
    & skf21("7","1","1","1","7","1","5","1") = "6"
    & skf21("7","1","1","1","7","1","6","1") = "6"
    & skf21("7","1","1","1","7","1","7","1") = "6"
    & skf21("7","1","1","1","7","2","1","1") = "6"
    & skf21("7","1","1","1","7","2","2","1") = "6"
    & skf21("7","1","1","1","7","2","3","1") = "6"
    & skf21("7","1","1","1","7","2","4","1") = "6"
    & skf21("7","1","1","1","7","2","5","1") = "6"
    & skf21("7","1","1","1","7","2","6","1") = "6"
    & skf21("7","1","1","1","7","2","7","1") = "6"
    & skf21("7","1","1","1","7","3","1","1") = "6"
    & skf21("7","1","1","1","7","3","2","1") = "6"
    & skf21("7","1","1","1","7","3","3","1") = "6"
    & skf21("7","1","1","1","7","3","4","1") = "6"
    & skf21("7","1","1","1","7","3","5","1") = "6"
    & skf21("7","1","1","1","7","3","6","1") = "6"
    & skf21("7","1","1","1","7","3","7","1") = "6"
    & skf21("7","1","1","1","7","4","1","1") = "6"
    & skf21("7","1","1","1","7","4","2","1") = "6"
    & skf21("7","1","1","1","7","4","3","1") = "6"
    & skf21("7","1","1","1","7","4","4","1") = "6"
    & skf21("7","1","1","1","7","4","5","1") = "6"
    & skf21("7","1","1","1","7","4","6","1") = "6"
    & skf21("7","1","1","1","7","4","7","1") = "6"
    & skf21("7","1","1","1","7","5","1","1") = "6"
    & skf21("7","1","1","1","7","5","2","1") = "6"
    & skf21("7","1","1","1","7","5","3","1") = "6"
    & skf21("7","1","1","1","7","5","4","1") = "6"
    & skf21("7","1","1","1","7","5","5","1") = "6"
    & skf21("7","1","1","1","7","5","6","1") = "6"
    & skf21("7","1","1","1","7","5","7","1") = "6"
    & skf21("7","1","1","1","7","6","1","1") = "6"
    & skf21("7","1","1","1","7","6","2","1") = "6"
    & skf21("7","1","1","1","7","6","3","1") = "6"
    & skf21("7","1","1","1","7","6","4","1") = "6"
    & skf21("7","1","1","1","7","6","5","1") = "6"
    & skf21("7","1","1","1","7","6","6","1") = "6"
    & skf21("7","1","1","1","7","6","7","1") = "6"
    & skf21("7","1","1","1","7","7","1","1") = "6"
    & skf21("7","1","1","1","7","7","2","1") = "6"
    & skf21("7","1","1","1","7","7","3","1") = "6"
    & skf21("7","1","1","1","7","7","4","1") = "6"
    & skf21("7","1","1","1","7","7","5","1") = "6"
    & skf21("7","1","1","1","7","7","6","1") = "6"
    & skf21("7","1","1","1","7","7","7","1") = "6"
    & skf21("7","1","1","2","1","1","1","1") = "6"
    & skf21("7","1","1","2","1","1","2","1") = "6"
    & skf21("7","1","1","2","1","1","3","1") = "6"
    & skf21("7","1","1","2","1","1","4","1") = "6"
    & skf21("7","1","1","2","1","1","5","1") = "6"
    & skf21("7","1","1","2","1","1","6","1") = "6"
    & skf21("7","1","1","2","1","1","7","1") = "6"
    & skf21("7","1","1","2","1","2","1","1") = "6"
    & skf21("7","1","1","2","1","2","2","1") = "6"
    & skf21("7","1","1","2","1","2","3","1") = "6"
    & skf21("7","1","1","2","1","2","4","1") = "6"
    & skf21("7","1","1","2","1","2","5","1") = "6"
    & skf21("7","1","1","2","1","2","6","1") = "6"
    & skf21("7","1","1","2","1","2","7","1") = "6"
    & skf21("7","1","1","2","1","3","1","1") = "6"
    & skf21("7","1","1","2","1","3","2","1") = "6"
    & skf21("7","1","1","2","1","3","3","1") = "6"
    & skf21("7","1","1","2","1","3","4","1") = "6"
    & skf21("7","1","1","2","1","3","5","1") = "6"
    & skf21("7","1","1","2","1","3","6","1") = "6"
    & skf21("7","1","1","2","1","3","7","1") = "6"
    & skf21("7","1","1","2","1","4","1","1") = "6"
    & skf21("7","1","1","2","1","4","2","1") = "6"
    & skf21("7","1","1","2","1","4","3","1") = "6"
    & skf21("7","1","1","2","1","4","4","1") = "6"
    & skf21("7","1","1","2","1","4","5","1") = "6"
    & skf21("7","1","1","2","1","4","6","1") = "6"
    & skf21("7","1","1","2","1","4","7","1") = "6"
    & skf21("7","1","1","2","1","5","1","1") = "6"
    & skf21("7","1","1","2","1","5","2","1") = "6"
    & skf21("7","1","1","2","1","5","3","1") = "6"
    & skf21("7","1","1","2","1","5","4","1") = "6"
    & skf21("7","1","1","2","1","5","5","1") = "6"
    & skf21("7","1","1","2","1","5","6","1") = "6"
    & skf21("7","1","1","2","1","5","7","1") = "6"
    & skf21("7","1","1","2","1","6","1","1") = "6"
    & skf21("7","1","1","2","1","6","2","1") = "6"
    & skf21("7","1","1","2","1","6","3","1") = "6"
    & skf21("7","1","1","2","1","6","4","1") = "6"
    & skf21("7","1","1","2","1","6","5","1") = "6"
    & skf21("7","1","1","2","1","6","6","1") = "6"
    & skf21("7","1","1","2","1","6","7","1") = "6"
    & skf21("7","1","1","2","1","7","1","1") = "6"
    & skf21("7","1","1","2","1","7","2","1") = "6"
    & skf21("7","1","1","2","1","7","3","1") = "6"
    & skf21("7","1","1","2","1","7","4","1") = "6"
    & skf21("7","1","1","2","1","7","5","1") = "6"
    & skf21("7","1","1","2","1","7","6","1") = "6"
    & skf21("7","1","1","2","1","7","7","1") = "6"
    & skf21("7","1","1","2","2","1","1","1") = "6"
    & skf21("7","1","1","2","2","1","2","1") = "6"
    & skf21("7","1","1","2","2","1","3","1") = "6"
    & skf21("7","1","1","2","2","1","4","1") = "6"
    & skf21("7","1","1","2","2","1","5","1") = "6"
    & skf21("7","1","1","2","2","1","6","1") = "6"
    & skf21("7","1","1","2","2","1","7","1") = "6"
    & skf21("7","1","1","2","2","2","1","1") = "6"
    & skf21("7","1","1","2","2","2","2","1") = "6"
    & skf21("7","1","1","2","2","2","3","1") = "6"
    & skf21("7","1","1","2","2","2","4","1") = "6"
    & skf21("7","1","1","2","2","2","5","1") = "6"
    & skf21("7","1","1","2","2","2","6","1") = "6"
    & skf21("7","1","1","2","2","2","7","1") = "6"
    & skf21("7","1","1","2","2","3","1","1") = "6"
    & skf21("7","1","1","2","2","3","2","1") = "6"
    & skf21("7","1","1","2","2","3","3","1") = "6"
    & skf21("7","1","1","2","2","3","4","1") = "6"
    & skf21("7","1","1","2","2","3","5","1") = "6"
    & skf21("7","1","1","2","2","3","6","1") = "6"
    & skf21("7","1","1","2","2","3","7","1") = "6"
    & skf21("7","1","1","2","2","4","1","1") = "6"
    & skf21("7","1","1","2","2","4","2","1") = "6"
    & skf21("7","1","1","2","2","4","3","1") = "6"
    & skf21("7","1","1","2","2","4","4","1") = "6"
    & skf21("7","1","1","2","2","4","5","1") = "6"
    & skf21("7","1","1","2","2","4","6","1") = "6"
    & skf21("7","1","1","2","2","4","7","1") = "6"
    & skf21("7","1","1","2","2","5","1","1") = "6"
    & skf21("7","1","1","2","2","5","2","1") = "6"
    & skf21("7","1","1","2","2","5","3","1") = "6"
    & skf21("7","1","1","2","2","5","4","1") = "6"
    & skf21("7","1","1","2","2","5","5","1") = "6"
    & skf21("7","1","1","2","2","5","6","1") = "6"
    & skf21("7","1","1","2","2","5","7","1") = "6"
    & skf21("7","1","1","2","2","6","1","1") = "6"
    & skf21("7","1","1","2","2","6","2","1") = "6"
    & skf21("7","1","1","2","2","6","3","1") = "6"
    & skf21("7","1","1","2","2","6","4","1") = "6"
    & skf21("7","1","1","2","2","6","5","1") = "6"
    & skf21("7","1","1","2","2","6","6","1") = "6"
    & skf21("7","1","1","2","2","6","7","1") = "6"
    & skf21("7","1","1","2","2","7","1","1") = "6"
    & skf21("7","1","1","2","2","7","2","1") = "6"
    & skf21("7","1","1","2","2","7","3","1") = "6"
    & skf21("7","1","1","2","2","7","4","1") = "6"
    & skf21("7","1","1","2","2","7","5","1") = "6"
    & skf21("7","1","1","2","2","7","6","1") = "6"
    & skf21("7","1","1","2","2","7","7","1") = "6"
    & skf21("7","1","1","2","3","1","1","1") = "6"
    & skf21("7","1","1","2","3","1","2","1") = "6"
    & skf21("7","1","1","2","3","1","3","1") = "6"
    & skf21("7","1","1","2","3","1","4","1") = "6"
    & skf21("7","1","1","2","3","1","5","1") = "6"
    & skf21("7","1","1","2","3","1","6","1") = "6"
    & skf21("7","1","1","2","3","1","7","1") = "6"
    & skf21("7","1","1","2","3","2","1","1") = "6"
    & skf21("7","1","1","2","3","2","2","1") = "6"
    & skf21("7","1","1","2","3","2","3","1") = "6"
    & skf21("7","1","1","2","3","2","4","1") = "6"
    & skf21("7","1","1","2","3","2","5","1") = "6"
    & skf21("7","1","1","2","3","2","6","1") = "6"
    & skf21("7","1","1","2","3","2","7","1") = "6"
    & skf21("7","1","1","2","3","3","1","1") = "6"
    & skf21("7","1","1","2","3","3","2","1") = "6"
    & skf21("7","1","1","2","3","3","3","1") = "6"
    & skf21("7","1","1","2","3","3","4","1") = "6"
    & skf21("7","1","1","2","3","3","5","1") = "6"
    & skf21("7","1","1","2","3","3","6","1") = "6"
    & skf21("7","1","1","2","3","3","7","1") = "6"
    & skf21("7","1","1","2","3","4","1","1") = "6"
    & skf21("7","1","1","2","3","4","2","1") = "6"
    & skf21("7","1","1","2","3","4","3","1") = "6"
    & skf21("7","1","1","2","3","4","4","1") = "6"
    & skf21("7","1","1","2","3","4","5","1") = "6"
    & skf21("7","1","1","2","3","4","6","1") = "6"
    & skf21("7","1","1","2","3","4","7","1") = "6"
    & skf21("7","1","1","2","3","5","1","1") = "6"
    & skf21("7","1","1","2","3","5","2","1") = "6"
    & skf21("7","1","1","2","3","5","3","1") = "6"
    & skf21("7","1","1","2","3","5","4","1") = "6"
    & skf21("7","1","1","2","3","5","5","1") = "6"
    & skf21("7","1","1","2","3","5","6","1") = "6"
    & skf21("7","1","1","2","3","5","7","1") = "6"
    & skf21("7","1","1","2","3","6","1","1") = "6"
    & skf21("7","1","1","2","3","6","2","1") = "6"
    & skf21("7","1","1","2","3","6","3","1") = "6"
    & skf21("7","1","1","2","3","6","4","1") = "6"
    & skf21("7","1","1","2","3","6","5","1") = "6"
    & skf21("7","1","1","2","3","6","6","1") = "6"
    & skf21("7","1","1","2","3","6","7","1") = "6"
    & skf21("7","1","1","2","3","7","1","1") = "6"
    & skf21("7","1","1","2","3","7","2","1") = "6"
    & skf21("7","1","1","2","3","7","3","1") = "6"
    & skf21("7","1","1","2","3","7","4","1") = "6"
    & skf21("7","1","1","2","3","7","5","1") = "6"
    & skf21("7","1","1","2","3","7","6","1") = "6"
    & skf21("7","1","1","2","3","7","7","1") = "6"
    & skf21("7","1","1","2","4","1","1","1") = "6"
    & skf21("7","1","1","2","4","1","2","1") = "6"
    & skf21("7","1","1","2","4","1","3","1") = "6"
    & skf21("7","1","1","2","4","1","4","1") = "6"
    & skf21("7","1","1","2","4","1","5","1") = "6"
    & skf21("7","1","1","2","4","1","6","1") = "6"
    & skf21("7","1","1","2","4","1","7","1") = "6"
    & skf21("7","1","1","2","4","2","1","1") = "6"
    & skf21("7","1","1","2","4","2","2","1") = "6"
    & skf21("7","1","1","2","4","2","3","1") = "6"
    & skf21("7","1","1","2","4","2","4","1") = "6"
    & skf21("7","1","1","2","4","2","5","1") = "6"
    & skf21("7","1","1","2","4","2","6","1") = "6"
    & skf21("7","1","1","2","4","2","7","1") = "6"
    & skf21("7","1","1","2","4","3","1","1") = "6"
    & skf21("7","1","1","2","4","3","2","1") = "6"
    & skf21("7","1","1","2","4","3","3","1") = "6"
    & skf21("7","1","1","2","4","3","4","1") = "6"
    & skf21("7","1","1","2","4","3","5","1") = "6"
    & skf21("7","1","1","2","4","3","6","1") = "6"
    & skf21("7","1","1","2","4","3","7","1") = "6"
    & skf21("7","1","1","2","4","4","1","1") = "6"
    & skf21("7","1","1","2","4","4","2","1") = "6"
    & skf21("7","1","1","2","4","4","3","1") = "6"
    & skf21("7","1","1","2","4","4","4","1") = "6"
    & skf21("7","1","1","2","4","4","5","1") = "6"
    & skf21("7","1","1","2","4","4","6","1") = "6"
    & skf21("7","1","1","2","4","4","7","1") = "6"
    & skf21("7","1","1","2","4","5","1","1") = "6"
    & skf21("7","1","1","2","4","5","2","1") = "6"
    & skf21("7","1","1","2","4","5","3","1") = "6"
    & skf21("7","1","1","2","4","5","4","1") = "6"
    & skf21("7","1","1","2","4","5","5","1") = "6"
    & skf21("7","1","1","2","4","5","6","1") = "6"
    & skf21("7","1","1","2","4","5","7","1") = "6"
    & skf21("7","1","1","2","4","6","1","1") = "6"
    & skf21("7","1","1","2","4","6","2","1") = "6"
    & skf21("7","1","1","2","4","6","3","1") = "6"
    & skf21("7","1","1","2","4","6","4","1") = "6"
    & skf21("7","1","1","2","4","6","5","1") = "6"
    & skf21("7","1","1","2","4","6","6","1") = "6"
    & skf21("7","1","1","2","4","6","7","1") = "6"
    & skf21("7","1","1","2","4","7","1","1") = "6"
    & skf21("7","1","1","2","4","7","2","1") = "6"
    & skf21("7","1","1","2","4","7","3","1") = "6"
    & skf21("7","1","1","2","4","7","4","1") = "6"
    & skf21("7","1","1","2","4","7","5","1") = "6"
    & skf21("7","1","1","2","4","7","6","1") = "6"
    & skf21("7","1","1","2","4","7","7","1") = "6"
    & skf21("7","1","1","2","5","1","1","1") = "6"
    & skf21("7","1","1","2","5","1","2","1") = "6"
    & skf21("7","1","1","2","5","1","3","1") = "6"
    & skf21("7","1","1","2","5","1","4","1") = "6"
    & skf21("7","1","1","2","5","1","5","1") = "6"
    & skf21("7","1","1","2","5","1","6","1") = "6"
    & skf21("7","1","1","2","5","1","7","1") = "6"
    & skf21("7","1","1","2","5","2","1","1") = "6"
    & skf21("7","1","1","2","5","2","2","1") = "6"
    & skf21("7","1","1","2","5","2","3","1") = "6"
    & skf21("7","1","1","2","5","2","4","1") = "6"
    & skf21("7","1","1","2","5","2","5","1") = "6"
    & skf21("7","1","1","2","5","2","6","1") = "6"
    & skf21("7","1","1","2","5","2","7","1") = "6"
    & skf21("7","1","1","2","5","3","1","1") = "6"
    & skf21("7","1","1","2","5","3","2","1") = "6"
    & skf21("7","1","1","2","5","3","3","1") = "6"
    & skf21("7","1","1","2","5","3","4","1") = "6"
    & skf21("7","1","1","2","5","3","5","1") = "6"
    & skf21("7","1","1","2","5","3","6","1") = "6"
    & skf21("7","1","1","2","5","3","7","1") = "6"
    & skf21("7","1","1","2","5","4","1","1") = "6"
    & skf21("7","1","1","2","5","4","2","1") = "6"
    & skf21("7","1","1","2","5","4","3","1") = "6"
    & skf21("7","1","1","2","5","4","4","1") = "6"
    & skf21("7","1","1","2","5","4","5","1") = "6"
    & skf21("7","1","1","2","5","4","6","1") = "6"
    & skf21("7","1","1","2","5","4","7","1") = "6"
    & skf21("7","1","1","2","5","5","1","1") = "6"
    & skf21("7","1","1","2","5","5","2","1") = "6"
    & skf21("7","1","1","2","5","5","3","1") = "6"
    & skf21("7","1","1","2","5","5","4","1") = "6"
    & skf21("7","1","1","2","5","5","5","1") = "6"
    & skf21("7","1","1","2","5","5","6","1") = "6"
    & skf21("7","1","1","2","5","5","7","1") = "6"
    & skf21("7","1","1","2","5","6","1","1") = "6"
    & skf21("7","1","1","2","5","6","2","1") = "6"
    & skf21("7","1","1","2","5","6","3","1") = "6"
    & skf21("7","1","1","2","5","6","4","1") = "6"
    & skf21("7","1","1","2","5","6","5","1") = "6"
    & skf21("7","1","1","2","5","6","6","1") = "6"
    & skf21("7","1","1","2","5","6","7","1") = "6"
    & skf21("7","1","1","2","5","7","1","1") = "6"
    & skf21("7","1","1","2","5","7","2","1") = "6"
    & skf21("7","1","1","2","5","7","3","1") = "6"
    & skf21("7","1","1","2","5","7","4","1") = "6"
    & skf21("7","1","1","2","5","7","5","1") = "6"
    & skf21("7","1","1","2","5","7","6","1") = "6"
    & skf21("7","1","1","2","5","7","7","1") = "6"
    & skf21("7","1","1","2","6","1","1","1") = "6"
    & skf21("7","1","1","2","6","1","2","1") = "6"
    & skf21("7","1","1","2","6","1","3","1") = "6"
    & skf21("7","1","1","2","6","1","4","1") = "6"
    & skf21("7","1","1","2","6","1","5","1") = "6"
    & skf21("7","1","1","2","6","1","6","1") = "6"
    & skf21("7","1","1","2","6","1","7","1") = "6"
    & skf21("7","1","1","2","6","2","1","1") = "6"
    & skf21("7","1","1","2","6","2","2","1") = "6"
    & skf21("7","1","1","2","6","2","3","1") = "6"
    & skf21("7","1","1","2","6","2","4","1") = "6"
    & skf21("7","1","1","2","6","2","5","1") = "6"
    & skf21("7","1","1","2","6","2","6","1") = "6"
    & skf21("7","1","1","2","6","2","7","1") = "6"
    & skf21("7","1","1","2","6","3","1","1") = "6"
    & skf21("7","1","1","2","6","3","2","1") = "6"
    & skf21("7","1","1","2","6","3","3","1") = "6"
    & skf21("7","1","1","2","6","3","4","1") = "6"
    & skf21("7","1","1","2","6","3","5","1") = "6"
    & skf21("7","1","1","2","6","3","6","1") = "6"
    & skf21("7","1","1","2","6","3","7","1") = "6"
    & skf21("7","1","1","2","6","4","1","1") = "6"
    & skf21("7","1","1","2","6","4","2","1") = "6"
    & skf21("7","1","1","2","6","4","3","1") = "6"
    & skf21("7","1","1","2","6","4","4","1") = "6"
    & skf21("7","1","1","2","6","4","5","1") = "6"
    & skf21("7","1","1","2","6","4","6","1") = "6"
    & skf21("7","1","1","2","6","4","7","1") = "6"
    & skf21("7","1","1","2","6","5","1","1") = "6"
    & skf21("7","1","1","2","6","5","2","1") = "6"
    & skf21("7","1","1","2","6","5","3","1") = "6"
    & skf21("7","1","1","2","6","5","4","1") = "6"
    & skf21("7","1","1","2","6","5","5","1") = "6"
    & skf21("7","1","1","2","6","5","6","1") = "6"
    & skf21("7","1","1","2","6","5","7","1") = "6"
    & skf21("7","1","1","2","6","6","1","1") = "6"
    & skf21("7","1","1","2","6","6","2","1") = "6"
    & skf21("7","1","1","2","6","6","3","1") = "6"
    & skf21("7","1","1","2","6","6","4","1") = "6"
    & skf21("7","1","1","2","6","6","5","1") = "6"
    & skf21("7","1","1","2","6","6","6","1") = "6"
    & skf21("7","1","1","2","6","6","7","1") = "6"
    & skf21("7","1","1","2","6","7","1","1") = "6"
    & skf21("7","1","1","2","6","7","2","1") = "6"
    & skf21("7","1","1","2","6","7","3","1") = "6"
    & skf21("7","1","1","2","6","7","4","1") = "6"
    & skf21("7","1","1","2","6","7","5","1") = "6"
    & skf21("7","1","1","2","6","7","6","1") = "6"
    & skf21("7","1","1","2","6","7","7","1") = "6"
    & skf21("7","1","1","2","7","1","1","1") = "6"
    & skf21("7","1","1","2","7","1","2","1") = "6"
    & skf21("7","1","1","2","7","1","3","1") = "6"
    & skf21("7","1","1","2","7","1","4","1") = "6"
    & skf21("7","1","1","2","7","1","5","1") = "6"
    & skf21("7","1","1","2","7","1","6","1") = "6"
    & skf21("7","1","1","2","7","1","7","1") = "6"
    & skf21("7","1","1","2","7","2","1","1") = "6"
    & skf21("7","1","1","2","7","2","2","1") = "6"
    & skf21("7","1","1","2","7","2","3","1") = "6"
    & skf21("7","1","1","2","7","2","4","1") = "6"
    & skf21("7","1","1","2","7","2","5","1") = "6"
    & skf21("7","1","1","2","7","2","6","1") = "6"
    & skf21("7","1","1","2","7","2","7","1") = "6"
    & skf21("7","1","1","2","7","3","1","1") = "6"
    & skf21("7","1","1","2","7","3","2","1") = "6"
    & skf21("7","1","1","2","7","3","3","1") = "6"
    & skf21("7","1","1","2","7","3","4","1") = "6"
    & skf21("7","1","1","2","7","3","5","1") = "6"
    & skf21("7","1","1","2","7","3","6","1") = "6"
    & skf21("7","1","1","2","7","3","7","1") = "6"
    & skf21("7","1","1","2","7","4","1","1") = "6"
    & skf21("7","1","1","2","7","4","2","1") = "6"
    & skf21("7","1","1","2","7","4","3","1") = "6"
    & skf21("7","1","1","2","7","4","4","1") = "6"
    & skf21("7","1","1","2","7","4","5","1") = "6"
    & skf21("7","1","1","2","7","4","6","1") = "6"
    & skf21("7","1","1","2","7","4","7","1") = "6"
    & skf21("7","1","1","2","7","5","1","1") = "6"
    & skf21("7","1","1","2","7","5","2","1") = "6"
    & skf21("7","1","1","2","7","5","3","1") = "6"
    & skf21("7","1","1","2","7","5","4","1") = "6"
    & skf21("7","1","1","2","7","5","5","1") = "6"
    & skf21("7","1","1","2","7","5","6","1") = "6"
    & skf21("7","1","1","2","7","5","7","1") = "6"
    & skf21("7","1","1","2","7","6","1","1") = "6"
    & skf21("7","1","1","2","7","6","2","1") = "6"
    & skf21("7","1","1","2","7","6","3","1") = "6"
    & skf21("7","1","1","2","7","6","4","1") = "6"
    & skf21("7","1","1","2","7","6","5","1") = "6"
    & skf21("7","1","1","2","7","6","6","1") = "6"
    & skf21("7","1","1","2","7","6","7","1") = "6"
    & skf21("7","1","1","2","7","7","1","1") = "6"
    & skf21("7","1","1","2","7","7","2","1") = "6"
    & skf21("7","1","1","2","7","7","3","1") = "6"
    & skf21("7","1","1","2","7","7","4","1") = "6"
    & skf21("7","1","1","2","7","7","5","1") = "6"
    & skf21("7","1","1","2","7","7","6","1") = "6"
    & skf21("7","1","1","2","7","7","7","1") = "6"
    & skf21("7","1","1","3","1","1","1","1") = "6"
    & skf21("7","1","1","3","1","1","2","1") = "6"
    & skf21("7","1","1","3","1","1","3","1") = "6"
    & skf21("7","1","1","3","1","1","4","1") = "6"
    & skf21("7","1","1","3","1","1","5","1") = "6"
    & skf21("7","1","1","3","1","1","6","1") = "6"
    & skf21("7","1","1","3","1","1","7","1") = "6"
    & skf21("7","1","1","3","1","2","1","1") = "6"
    & skf21("7","1","1","3","1","2","2","1") = "6"
    & skf21("7","1","1","3","1","2","3","1") = "6"
    & skf21("7","1","1","3","1","2","4","1") = "6"
    & skf21("7","1","1","3","1","2","5","1") = "6"
    & skf21("7","1","1","3","1","2","6","1") = "6"
    & skf21("7","1","1","3","1","2","7","1") = "6"
    & skf21("7","1","1","3","1","3","1","1") = "6"
    & skf21("7","1","1","3","1","3","2","1") = "6"
    & skf21("7","1","1","3","1","3","3","1") = "6"
    & skf21("7","1","1","3","1","3","4","1") = "6"
    & skf21("7","1","1","3","1","3","5","1") = "6"
    & skf21("7","1","1","3","1","3","6","1") = "6"
    & skf21("7","1","1","3","1","3","7","1") = "6"
    & skf21("7","1","1","3","1","4","1","1") = "6"
    & skf21("7","1","1","3","1","4","2","1") = "6"
    & skf21("7","1","1","3","1","4","3","1") = "6"
    & skf21("7","1","1","3","1","4","4","1") = "6"
    & skf21("7","1","1","3","1","4","5","1") = "6"
    & skf21("7","1","1","3","1","4","6","1") = "6"
    & skf21("7","1","1","3","1","4","7","1") = "6"
    & skf21("7","1","1","3","1","5","1","1") = "6"
    & skf21("7","1","1","3","1","5","2","1") = "6"
    & skf21("7","1","1","3","1","5","3","1") = "6"
    & skf21("7","1","1","3","1","5","4","1") = "6"
    & skf21("7","1","1","3","1","5","5","1") = "6"
    & skf21("7","1","1","3","1","5","6","1") = "6"
    & skf21("7","1","1","3","1","5","7","1") = "6"
    & skf21("7","1","1","3","1","6","1","1") = "6"
    & skf21("7","1","1","3","1","6","2","1") = "6"
    & skf21("7","1","1","3","1","6","3","1") = "6"
    & skf21("7","1","1","3","1","6","4","1") = "6"
    & skf21("7","1","1","3","1","6","5","1") = "6"
    & skf21("7","1","1","3","1","6","6","1") = "6"
    & skf21("7","1","1","3","1","6","7","1") = "6"
    & skf21("7","1","1","3","1","7","1","1") = "6"
    & skf21("7","1","1","3","1","7","2","1") = "6"
    & skf21("7","1","1","3","1","7","3","1") = "6"
    & skf21("7","1","1","3","1","7","4","1") = "6"
    & skf21("7","1","1","3","1","7","5","1") = "6"
    & skf21("7","1","1","3","1","7","6","1") = "6"
    & skf21("7","1","1","3","1","7","7","1") = "6"
    & skf21("7","1","1","3","2","1","1","1") = "6"
    & skf21("7","1","1","3","2","1","2","1") = "6"
    & skf21("7","1","1","3","2","1","3","1") = "6"
    & skf21("7","1","1","3","2","1","4","1") = "6"
    & skf21("7","1","1","3","2","1","5","1") = "6"
    & skf21("7","1","1","3","2","1","6","1") = "6"
    & skf21("7","1","1","3","2","1","7","1") = "6"
    & skf21("7","1","1","3","2","2","1","1") = "6"
    & skf21("7","1","1","3","2","2","2","1") = "6"
    & skf21("7","1","1","3","2","2","3","1") = "6"
    & skf21("7","1","1","3","2","2","4","1") = "6"
    & skf21("7","1","1","3","2","2","5","1") = "6"
    & skf21("7","1","1","3","2","2","6","1") = "6"
    & skf21("7","1","1","3","2","2","7","1") = "6"
    & skf21("7","1","1","3","2","3","1","1") = "6"
    & skf21("7","1","1","3","2","3","2","1") = "6"
    & skf21("7","1","1","3","2","3","3","1") = "6"
    & skf21("7","1","1","3","2","3","4","1") = "6"
    & skf21("7","1","1","3","2","3","5","1") = "6"
    & skf21("7","1","1","3","2","3","6","1") = "6"
    & skf21("7","1","1","3","2","3","7","1") = "6"
    & skf21("7","1","1","3","2","4","1","1") = "6"
    & skf21("7","1","1","3","2","4","2","1") = "6"
    & skf21("7","1","1","3","2","4","3","1") = "6"
    & skf21("7","1","1","3","2","4","4","1") = "6"
    & skf21("7","1","1","3","2","4","5","1") = "6"
    & skf21("7","1","1","3","2","4","6","1") = "6"
    & skf21("7","1","1","3","2","4","7","1") = "6"
    & skf21("7","1","1","3","2","5","1","1") = "6"
    & skf21("7","1","1","3","2","5","2","1") = "6"
    & skf21("7","1","1","3","2","5","3","1") = "6"
    & skf21("7","1","1","3","2","5","4","1") = "6"
    & skf21("7","1","1","3","2","5","5","1") = "6"
    & skf21("7","1","1","3","2","5","6","1") = "6"
    & skf21("7","1","1","3","2","5","7","1") = "6"
    & skf21("7","1","1","3","2","6","1","1") = "6"
    & skf21("7","1","1","3","2","6","2","1") = "6"
    & skf21("7","1","1","3","2","6","3","1") = "6"
    & skf21("7","1","1","3","2","6","4","1") = "6"
    & skf21("7","1","1","3","2","6","5","1") = "6"
    & skf21("7","1","1","3","2","6","6","1") = "6"
    & skf21("7","1","1","3","2","6","7","1") = "6"
    & skf21("7","1","1","3","2","7","1","1") = "6"
    & skf21("7","1","1","3","2","7","2","1") = "6"
    & skf21("7","1","1","3","2","7","3","1") = "6"
    & skf21("7","1","1","3","2","7","4","1") = "6"
    & skf21("7","1","1","3","2","7","5","1") = "6"
    & skf21("7","1","1","3","2","7","6","1") = "6"
    & skf21("7","1","1","3","2","7","7","1") = "6"
    & skf21("7","1","1","3","3","1","1","1") = "6"
    & skf21("7","1","1","3","3","1","2","1") = "6"
    & skf21("7","1","1","3","3","1","3","1") = "6"
    & skf21("7","1","1","3","3","1","4","1") = "6"
    & skf21("7","1","1","3","3","1","5","1") = "6"
    & skf21("7","1","1","3","3","1","6","1") = "6"
    & skf21("7","1","1","3","3","1","7","1") = "6"
    & skf21("7","1","1","3","3","2","1","1") = "6"
    & skf21("7","1","1","3","3","2","2","1") = "6"
    & skf21("7","1","1","3","3","2","3","1") = "6"
    & skf21("7","1","1","3","3","2","4","1") = "6"
    & skf21("7","1","1","3","3","2","5","1") = "6"
    & skf21("7","1","1","3","3","2","6","1") = "6"
    & skf21("7","1","1","3","3","2","7","1") = "6"
    & skf21("7","1","1","3","3","3","1","1") = "6"
    & skf21("7","1","1","3","3","3","2","1") = "6"
    & skf21("7","1","1","3","3","3","3","1") = "6"
    & skf21("7","1","1","3","3","3","4","1") = "6"
    & skf21("7","1","1","3","3","3","5","1") = "6"
    & skf21("7","1","1","3","3","3","6","1") = "6"
    & skf21("7","1","1","3","3","3","7","1") = "6"
    & skf21("7","1","1","3","3","4","1","1") = "6"
    & skf21("7","1","1","3","3","4","2","1") = "6"
    & skf21("7","1","1","3","3","4","3","1") = "6"
    & skf21("7","1","1","3","3","4","4","1") = "6"
    & skf21("7","1","1","3","3","4","5","1") = "6"
    & skf21("7","1","1","3","3","4","6","1") = "6"
    & skf21("7","1","1","3","3","4","7","1") = "6"
    & skf21("7","1","1","3","3","5","1","1") = "6"
    & skf21("7","1","1","3","3","5","2","1") = "6"
    & skf21("7","1","1","3","3","5","3","1") = "6"
    & skf21("7","1","1","3","3","5","4","1") = "6"
    & skf21("7","1","1","3","3","5","5","1") = "6"
    & skf21("7","1","1","3","3","5","6","1") = "6"
    & skf21("7","1","1","3","3","5","7","1") = "6"
    & skf21("7","1","1","3","3","6","1","1") = "6"
    & skf21("7","1","1","3","3","6","2","1") = "6"
    & skf21("7","1","1","3","3","6","3","1") = "6"
    & skf21("7","1","1","3","3","6","4","1") = "6"
    & skf21("7","1","1","3","3","6","5","1") = "6"
    & skf21("7","1","1","3","3","6","6","1") = "6"
    & skf21("7","1","1","3","3","6","7","1") = "6"
    & skf21("7","1","1","3","3","7","1","1") = "6"
    & skf21("7","1","1","3","3","7","2","1") = "6"
    & skf21("7","1","1","3","3","7","3","1") = "6"
    & skf21("7","1","1","3","3","7","4","1") = "6"
    & skf21("7","1","1","3","3","7","5","1") = "6"
    & skf21("7","1","1","3","3","7","6","1") = "6"
    & skf21("7","1","1","3","3","7","7","1") = "6"
    & skf21("7","1","1","3","4","1","1","1") = "6"
    & skf21("7","1","1","3","4","1","2","1") = "6"
    & skf21("7","1","1","3","4","1","3","1") = "6"
    & skf21("7","1","1","3","4","1","4","1") = "6"
    & skf21("7","1","1","3","4","1","5","1") = "6"
    & skf21("7","1","1","3","4","1","6","1") = "6"
    & skf21("7","1","1","3","4","1","7","1") = "6"
    & skf21("7","1","1","3","4","2","1","1") = "6"
    & skf21("7","1","1","3","4","2","2","1") = "6"
    & skf21("7","1","1","3","4","2","3","1") = "6"
    & skf21("7","1","1","3","4","2","4","1") = "6"
    & skf21("7","1","1","3","4","2","5","1") = "6"
    & skf21("7","1","1","3","4","2","6","1") = "6"
    & skf21("7","1","1","3","4","2","7","1") = "6"
    & skf21("7","1","1","3","4","3","1","1") = "6"
    & skf21("7","1","1","3","4","3","2","1") = "6"
    & skf21("7","1","1","3","4","3","3","1") = "6"
    & skf21("7","1","1","3","4","3","4","1") = "6"
    & skf21("7","1","1","3","4","3","5","1") = "6"
    & skf21("7","1","1","3","4","3","6","1") = "6"
    & skf21("7","1","1","3","4","3","7","1") = "6"
    & skf21("7","1","1","3","4","4","1","1") = "6"
    & skf21("7","1","1","3","4","4","2","1") = "6"
    & skf21("7","1","1","3","4","4","3","1") = "6"
    & skf21("7","1","1","3","4","4","4","1") = "6"
    & skf21("7","1","1","3","4","4","5","1") = "6"
    & skf21("7","1","1","3","4","4","6","1") = "6"
    & skf21("7","1","1","3","4","4","7","1") = "6"
    & skf21("7","1","1","3","4","5","1","1") = "6"
    & skf21("7","1","1","3","4","5","2","1") = "6"
    & skf21("7","1","1","3","4","5","3","1") = "6"
    & skf21("7","1","1","3","4","5","4","1") = "6"
    & skf21("7","1","1","3","4","5","5","1") = "6"
    & skf21("7","1","1","3","4","5","6","1") = "6"
    & skf21("7","1","1","3","4","5","7","1") = "6"
    & skf21("7","1","1","3","4","6","1","1") = "6"
    & skf21("7","1","1","3","4","6","2","1") = "6"
    & skf21("7","1","1","3","4","6","3","1") = "6"
    & skf21("7","1","1","3","4","6","4","1") = "6"
    & skf21("7","1","1","3","4","6","5","1") = "6"
    & skf21("7","1","1","3","4","6","6","1") = "6"
    & skf21("7","1","1","3","4","6","7","1") = "6"
    & skf21("7","1","1","3","4","7","1","1") = "6"
    & skf21("7","1","1","3","4","7","2","1") = "6"
    & skf21("7","1","1","3","4","7","3","1") = "6"
    & skf21("7","1","1","3","4","7","4","1") = "6"
    & skf21("7","1","1","3","4","7","5","1") = "6"
    & skf21("7","1","1","3","4","7","6","1") = "6"
    & skf21("7","1","1","3","4","7","7","1") = "6"
    & skf21("7","1","1","3","5","1","1","1") = "6"
    & skf21("7","1","1","3","5","1","2","1") = "6"
    & skf21("7","1","1","3","5","1","3","1") = "6"
    & skf21("7","1","1","3","5","1","4","1") = "6"
    & skf21("7","1","1","3","5","1","5","1") = "6"
    & skf21("7","1","1","3","5","1","6","1") = "6"
    & skf21("7","1","1","3","5","1","7","1") = "6"
    & skf21("7","1","1","3","5","2","1","1") = "6"
    & skf21("7","1","1","3","5","2","2","1") = "6"
    & skf21("7","1","1","3","5","2","3","1") = "6"
    & skf21("7","1","1","3","5","2","4","1") = "6"
    & skf21("7","1","1","3","5","2","5","1") = "6"
    & skf21("7","1","1","3","5","2","6","1") = "6"
    & skf21("7","1","1","3","5","2","7","1") = "6"
    & skf21("7","1","1","3","5","3","1","1") = "6"
    & skf21("7","1","1","3","5","3","2","1") = "6"
    & skf21("7","1","1","3","5","3","3","1") = "6"
    & skf21("7","1","1","3","5","3","4","1") = "6"
    & skf21("7","1","1","3","5","3","5","1") = "6"
    & skf21("7","1","1","3","5","3","6","1") = "6"
    & skf21("7","1","1","3","5","3","7","1") = "6"
    & skf21("7","1","1","3","5","4","1","1") = "6"
    & skf21("7","1","1","3","5","4","2","1") = "6"
    & skf21("7","1","1","3","5","4","3","1") = "6"
    & skf21("7","1","1","3","5","4","4","1") = "6"
    & skf21("7","1","1","3","5","4","5","1") = "6"
    & skf21("7","1","1","3","5","4","6","1") = "6"
    & skf21("7","1","1","3","5","4","7","1") = "6"
    & skf21("7","1","1","3","5","5","1","1") = "6"
    & skf21("7","1","1","3","5","5","2","1") = "6"
    & skf21("7","1","1","3","5","5","3","1") = "6"
    & skf21("7","1","1","3","5","5","4","1") = "6"
    & skf21("7","1","1","3","5","5","5","1") = "6"
    & skf21("7","1","1","3","5","5","6","1") = "6"
    & skf21("7","1","1","3","5","5","7","1") = "6"
    & skf21("7","1","1","3","5","6","1","1") = "6"
    & skf21("7","1","1","3","5","6","2","1") = "6"
    & skf21("7","1","1","3","5","6","3","1") = "6"
    & skf21("7","1","1","3","5","6","4","1") = "6"
    & skf21("7","1","1","3","5","6","5","1") = "6"
    & skf21("7","1","1","3","5","6","6","1") = "6"
    & skf21("7","1","1","3","5","6","7","1") = "6"
    & skf21("7","1","1","3","5","7","1","1") = "6"
    & skf21("7","1","1","3","5","7","2","1") = "6"
    & skf21("7","1","1","3","5","7","3","1") = "6"
    & skf21("7","1","1","3","5","7","4","1") = "6"
    & skf21("7","1","1","3","5","7","5","1") = "6"
    & skf21("7","1","1","3","5","7","6","1") = "6"
    & skf21("7","1","1","3","5","7","7","1") = "6"
    & skf21("7","1","1","3","6","1","1","1") = "6"
    & skf21("7","1","1","3","6","1","2","1") = "6"
    & skf21("7","1","1","3","6","1","3","1") = "6"
    & skf21("7","1","1","3","6","1","4","1") = "6"
    & skf21("7","1","1","3","6","1","5","1") = "6"
    & skf21("7","1","1","3","6","1","6","1") = "6"
    & skf21("7","1","1","3","6","1","7","1") = "6"
    & skf21("7","1","1","3","6","2","1","1") = "6"
    & skf21("7","1","1","3","6","2","2","1") = "6"
    & skf21("7","1","1","3","6","2","3","1") = "6"
    & skf21("7","1","1","3","6","2","4","1") = "6"
    & skf21("7","1","1","3","6","2","5","1") = "6"
    & skf21("7","1","1","3","6","2","6","1") = "6"
    & skf21("7","1","1","3","6","2","7","1") = "6"
    & skf21("7","1","1","3","6","3","1","1") = "6"
    & skf21("7","1","1","3","6","3","2","1") = "6"
    & skf21("7","1","1","3","6","3","3","1") = "6"
    & skf21("7","1","1","3","6","3","4","1") = "6"
    & skf21("7","1","1","3","6","3","5","1") = "6"
    & skf21("7","1","1","3","6","3","6","1") = "6"
    & skf21("7","1","1","3","6","3","7","1") = "6"
    & skf21("7","1","1","3","6","4","1","1") = "6"
    & skf21("7","1","1","3","6","4","2","1") = "6"
    & skf21("7","1","1","3","6","4","3","1") = "6"
    & skf21("7","1","1","3","6","4","4","1") = "6"
    & skf21("7","1","1","3","6","4","5","1") = "6"
    & skf21("7","1","1","3","6","4","6","1") = "6"
    & skf21("7","1","1","3","6","4","7","1") = "6"
    & skf21("7","1","1","3","6","5","1","1") = "6"
    & skf21("7","1","1","3","6","5","2","1") = "6"
    & skf21("7","1","1","3","6","5","3","1") = "6"
    & skf21("7","1","1","3","6","5","4","1") = "6"
    & skf21("7","1","1","3","6","5","5","1") = "6"
    & skf21("7","1","1","3","6","5","6","1") = "6"
    & skf21("7","1","1","3","6","5","7","1") = "6"
    & skf21("7","1","1","3","6","6","1","1") = "6"
    & skf21("7","1","1","3","6","6","2","1") = "6"
    & skf21("7","1","1","3","6","6","3","1") = "6"
    & skf21("7","1","1","3","6","6","4","1") = "6"
    & skf21("7","1","1","3","6","6","5","1") = "6"
    & skf21("7","1","1","3","6","6","6","1") = "6"
    & skf21("7","1","1","3","6","6","7","1") = "6"
    & skf21("7","1","1","3","6","7","1","1") = "6"
    & skf21("7","1","1","3","6","7","2","1") = "6"
    & skf21("7","1","1","3","6","7","3","1") = "6"
    & skf21("7","1","1","3","6","7","4","1") = "6"
    & skf21("7","1","1","3","6","7","5","1") = "6"
    & skf21("7","1","1","3","6","7","6","1") = "6"
    & skf21("7","1","1","3","6","7","7","1") = "6"
    & skf21("7","1","1","3","7","1","1","1") = "6"
    & skf21("7","1","1","3","7","1","2","1") = "6"
    & skf21("7","1","1","3","7","1","3","1") = "6"
    & skf21("7","1","1","3","7","1","4","1") = "6"
    & skf21("7","1","1","3","7","1","5","1") = "6"
    & skf21("7","1","1","3","7","1","6","1") = "6"
    & skf21("7","1","1","3","7","1","7","1") = "6"
    & skf21("7","1","1","3","7","2","1","1") = "6"
    & skf21("7","1","1","3","7","2","2","1") = "6"
    & skf21("7","1","1","3","7","2","3","1") = "6"
    & skf21("7","1","1","3","7","2","4","1") = "6"
    & skf21("7","1","1","3","7","2","5","1") = "6"
    & skf21("7","1","1","3","7","2","6","1") = "6"
    & skf21("7","1","1","3","7","2","7","1") = "6"
    & skf21("7","1","1","3","7","3","1","1") = "6"
    & skf21("7","1","1","3","7","3","2","1") = "6"
    & skf21("7","1","1","3","7","3","3","1") = "6"
    & skf21("7","1","1","3","7","3","4","1") = "6"
    & skf21("7","1","1","3","7","3","5","1") = "6"
    & skf21("7","1","1","3","7","3","6","1") = "6"
    & skf21("7","1","1","3","7","3","7","1") = "6"
    & skf21("7","1","1","3","7","4","1","1") = "6"
    & skf21("7","1","1","3","7","4","2","1") = "6"
    & skf21("7","1","1","3","7","4","3","1") = "6"
    & skf21("7","1","1","3","7","4","4","1") = "6"
    & skf21("7","1","1","3","7","4","5","1") = "6"
    & skf21("7","1","1","3","7","4","6","1") = "6"
    & skf21("7","1","1","3","7","4","7","1") = "6"
    & skf21("7","1","1","3","7","5","1","1") = "6"
    & skf21("7","1","1","3","7","5","2","1") = "6"
    & skf21("7","1","1","3","7","5","3","1") = "6"
    & skf21("7","1","1","3","7","5","4","1") = "6"
    & skf21("7","1","1","3","7","5","5","1") = "6"
    & skf21("7","1","1","3","7","5","6","1") = "6"
    & skf21("7","1","1","3","7","5","7","1") = "6"
    & skf21("7","1","1","3","7","6","1","1") = "6"
    & skf21("7","1","1","3","7","6","2","1") = "6"
    & skf21("7","1","1","3","7","6","3","1") = "6"
    & skf21("7","1","1","3","7","6","4","1") = "6"
    & skf21("7","1","1","3","7","6","5","1") = "6"
    & skf21("7","1","1","3","7","6","6","1") = "6"
    & skf21("7","1","1","3","7","6","7","1") = "6"
    & skf21("7","1","1","3","7","7","1","1") = "6"
    & skf21("7","1","1","3","7","7","2","1") = "6"
    & skf21("7","1","1","3","7","7","3","1") = "6"
    & skf21("7","1","1","3","7","7","4","1") = "6"
    & skf21("7","1","1","3","7","7","5","1") = "6"
    & skf21("7","1","1","3","7","7","6","1") = "6"
    & skf21("7","1","1","3","7","7","7","1") = "6"
    & skf21("7","1","1","4","1","1","1","1") = "6"
    & skf21("7","1","1","4","1","1","2","1") = "6"
    & skf21("7","1","1","4","1","1","3","1") = "6"
    & skf21("7","1","1","4","1","1","4","1") = "6"
    & skf21("7","1","1","4","1","1","5","1") = "6"
    & skf21("7","1","1","4","1","1","6","1") = "6"
    & skf21("7","1","1","4","1","1","7","1") = "6"
    & skf21("7","1","1","4","1","2","1","1") = "6"
    & skf21("7","1","1","4","1","2","2","1") = "6"
    & skf21("7","1","1","4","1","2","3","1") = "6"
    & skf21("7","1","1","4","1","2","4","1") = "6"
    & skf21("7","1","1","4","1","2","5","1") = "6"
    & skf21("7","1","1","4","1","2","6","1") = "6"
    & skf21("7","1","1","4","1","2","7","1") = "6"
    & skf21("7","1","1","4","1","3","1","1") = "6"
    & skf21("7","1","1","4","1","3","2","1") = "6"
    & skf21("7","1","1","4","1","3","3","1") = "6"
    & skf21("7","1","1","4","1","3","4","1") = "6"
    & skf21("7","1","1","4","1","3","5","1") = "6"
    & skf21("7","1","1","4","1","3","6","1") = "6"
    & skf21("7","1","1","4","1","3","7","1") = "6"
    & skf21("7","1","1","4","1","4","1","1") = "6"
    & skf21("7","1","1","4","1","4","2","1") = "6"
    & skf21("7","1","1","4","1","4","3","1") = "6"
    & skf21("7","1","1","4","1","4","4","1") = "6"
    & skf21("7","1","1","4","1","4","5","1") = "6"
    & skf21("7","1","1","4","1","4","6","1") = "6"
    & skf21("7","1","1","4","1","4","7","1") = "6"
    & skf21("7","1","1","4","1","5","1","1") = "6"
    & skf21("7","1","1","4","1","5","2","1") = "6"
    & skf21("7","1","1","4","1","5","3","1") = "6"
    & skf21("7","1","1","4","1","5","4","1") = "6"
    & skf21("7","1","1","4","1","5","5","1") = "6"
    & skf21("7","1","1","4","1","5","6","1") = "6"
    & skf21("7","1","1","4","1","5","7","1") = "6"
    & skf21("7","1","1","4","1","6","1","1") = "6"
    & skf21("7","1","1","4","1","6","2","1") = "6"
    & skf21("7","1","1","4","1","6","3","1") = "6"
    & skf21("7","1","1","4","1","6","4","1") = "6"
    & skf21("7","1","1","4","1","6","5","1") = "6"
    & skf21("7","1","1","4","1","6","6","1") = "6"
    & skf21("7","1","1","4","1","6","7","1") = "6"
    & skf21("7","1","1","4","1","7","1","1") = "6"
    & skf21("7","1","1","4","1","7","2","1") = "6"
    & skf21("7","1","1","4","1","7","3","1") = "6"
    & skf21("7","1","1","4","1","7","4","1") = "6"
    & skf21("7","1","1","4","1","7","5","1") = "6"
    & skf21("7","1","1","4","1","7","6","1") = "6"
    & skf21("7","1","1","4","1","7","7","1") = "6"
    & skf21("7","1","1","4","2","1","1","1") = "6"
    & skf21("7","1","1","4","2","1","2","1") = "6"
    & skf21("7","1","1","4","2","1","3","1") = "6"
    & skf21("7","1","1","4","2","1","4","1") = "6"
    & skf21("7","1","1","4","2","1","5","1") = "6"
    & skf21("7","1","1","4","2","1","6","1") = "6"
    & skf21("7","1","1","4","2","1","7","1") = "6"
    & skf21("7","1","1","4","2","2","1","1") = "6"
    & skf21("7","1","1","4","2","2","2","1") = "6"
    & skf21("7","1","1","4","2","2","3","1") = "6"
    & skf21("7","1","1","4","2","2","4","1") = "6"
    & skf21("7","1","1","4","2","2","5","1") = "6"
    & skf21("7","1","1","4","2","2","6","1") = "6"
    & skf21("7","1","1","4","2","2","7","1") = "6"
    & skf21("7","1","1","4","2","3","1","1") = "6"
    & skf21("7","1","1","4","2","3","2","1") = "6"
    & skf21("7","1","1","4","2","3","3","1") = "6"
    & skf21("7","1","1","4","2","3","4","1") = "6"
    & skf21("7","1","1","4","2","3","5","1") = "6"
    & skf21("7","1","1","4","2","3","6","1") = "6"
    & skf21("7","1","1","4","2","3","7","1") = "6"
    & skf21("7","1","1","4","2","4","1","1") = "6"
    & skf21("7","1","1","4","2","4","2","1") = "6"
    & skf21("7","1","1","4","2","4","3","1") = "6"
    & skf21("7","1","1","4","2","4","4","1") = "6"
    & skf21("7","1","1","4","2","4","5","1") = "6"
    & skf21("7","1","1","4","2","4","6","1") = "6"
    & skf21("7","1","1","4","2","4","7","1") = "6"
    & skf21("7","1","1","4","2","5","1","1") = "6"
    & skf21("7","1","1","4","2","5","2","1") = "6"
    & skf21("7","1","1","4","2","5","3","1") = "6"
    & skf21("7","1","1","4","2","5","4","1") = "6"
    & skf21("7","1","1","4","2","5","5","1") = "6"
    & skf21("7","1","1","4","2","5","6","1") = "6"
    & skf21("7","1","1","4","2","5","7","1") = "6"
    & skf21("7","1","1","4","2","6","1","1") = "6"
    & skf21("7","1","1","4","2","6","2","1") = "6"
    & skf21("7","1","1","4","2","6","3","1") = "6"
    & skf21("7","1","1","4","2","6","4","1") = "6"
    & skf21("7","1","1","4","2","6","5","1") = "6"
    & skf21("7","1","1","4","2","6","6","1") = "6"
    & skf21("7","1","1","4","2","6","7","1") = "6"
    & skf21("7","1","1","4","2","7","1","1") = "6"
    & skf21("7","1","1","4","2","7","2","1") = "6"
    & skf21("7","1","1","4","2","7","3","1") = "6"
    & skf21("7","1","1","4","2","7","4","1") = "6"
    & skf21("7","1","1","4","2","7","5","1") = "6"
    & skf21("7","1","1","4","2","7","6","1") = "6"
    & skf21("7","1","1","4","2","7","7","1") = "6"
    & skf21("7","1","1","4","3","1","1","1") = "6"
    & skf21("7","1","1","4","3","1","2","1") = "6"
    & skf21("7","1","1","4","3","1","3","1") = "6"
    & skf21("7","1","1","4","3","1","4","1") = "6"
    & skf21("7","1","1","4","3","1","5","1") = "6"
    & skf21("7","1","1","4","3","1","6","1") = "6"
    & skf21("7","1","1","4","3","1","7","1") = "6"
    & skf21("7","1","1","4","3","2","1","1") = "6"
    & skf21("7","1","1","4","3","2","2","1") = "6"
    & skf21("7","1","1","4","3","2","3","1") = "6"
    & skf21("7","1","1","4","3","2","4","1") = "6"
    & skf21("7","1","1","4","3","2","5","1") = "6"
    & skf21("7","1","1","4","3","2","6","1") = "6"
    & skf21("7","1","1","4","3","2","7","1") = "6"
    & skf21("7","1","1","4","3","3","1","1") = "6"
    & skf21("7","1","1","4","3","3","2","1") = "6"
    & skf21("7","1","1","4","3","3","3","1") = "6"
    & skf21("7","1","1","4","3","3","4","1") = "6"
    & skf21("7","1","1","4","3","3","5","1") = "6"
    & skf21("7","1","1","4","3","3","6","1") = "6"
    & skf21("7","1","1","4","3","3","7","1") = "6"
    & skf21("7","1","1","4","3","4","1","1") = "6"
    & skf21("7","1","1","4","3","4","2","1") = "6"
    & skf21("7","1","1","4","3","4","3","1") = "6"
    & skf21("7","1","1","4","3","4","4","1") = "6"
    & skf21("7","1","1","4","3","4","5","1") = "6"
    & skf21("7","1","1","4","3","4","6","1") = "6"
    & skf21("7","1","1","4","3","4","7","1") = "6"
    & skf21("7","1","1","4","3","5","1","1") = "6"
    & skf21("7","1","1","4","3","5","2","1") = "6"
    & skf21("7","1","1","4","3","5","3","1") = "6"
    & skf21("7","1","1","4","3","5","4","1") = "6"
    & skf21("7","1","1","4","3","5","5","1") = "6"
    & skf21("7","1","1","4","3","5","6","1") = "6"
    & skf21("7","1","1","4","3","5","7","1") = "6"
    & skf21("7","1","1","4","3","6","1","1") = "6"
    & skf21("7","1","1","4","3","6","2","1") = "6"
    & skf21("7","1","1","4","3","6","3","1") = "6"
    & skf21("7","1","1","4","3","6","4","1") = "6"
    & skf21("7","1","1","4","3","6","5","1") = "6"
    & skf21("7","1","1","4","3","6","6","1") = "6"
    & skf21("7","1","1","4","3","6","7","1") = "6"
    & skf21("7","1","1","4","3","7","1","1") = "6"
    & skf21("7","1","1","4","3","7","2","1") = "6"
    & skf21("7","1","1","4","3","7","3","1") = "6"
    & skf21("7","1","1","4","3","7","4","1") = "6"
    & skf21("7","1","1","4","3","7","5","1") = "6"
    & skf21("7","1","1","4","3","7","6","1") = "6"
    & skf21("7","1","1","4","3","7","7","1") = "6"
    & skf21("7","1","1","4","4","1","1","1") = "6"
    & skf21("7","1","1","4","4","1","2","1") = "6"
    & skf21("7","1","1","4","4","1","3","1") = "6"
    & skf21("7","1","1","4","4","1","4","1") = "6"
    & skf21("7","1","1","4","4","1","5","1") = "6"
    & skf21("7","1","1","4","4","1","6","1") = "6"
    & skf21("7","1","1","4","4","1","7","1") = "6"
    & skf21("7","1","1","4","4","2","1","1") = "6"
    & skf21("7","1","1","4","4","2","2","1") = "6"
    & skf21("7","1","1","4","4","2","3","1") = "6"
    & skf21("7","1","1","4","4","2","4","1") = "6"
    & skf21("7","1","1","4","4","2","5","1") = "6"
    & skf21("7","1","1","4","4","2","6","1") = "6"
    & skf21("7","1","1","4","4","2","7","1") = "6"
    & skf21("7","1","1","4","4","3","1","1") = "6"
    & skf21("7","1","1","4","4","3","2","1") = "6"
    & skf21("7","1","1","4","4","3","3","1") = "6"
    & skf21("7","1","1","4","4","3","4","1") = "6"
    & skf21("7","1","1","4","4","3","5","1") = "6"
    & skf21("7","1","1","4","4","3","6","1") = "6"
    & skf21("7","1","1","4","4","3","7","1") = "6"
    & skf21("7","1","1","4","4","4","1","1") = "6"
    & skf21("7","1","1","4","4","4","2","1") = "6"
    & skf21("7","1","1","4","4","4","3","1") = "6"
    & skf21("7","1","1","4","4","4","4","1") = "6"
    & skf21("7","1","1","4","4","4","5","1") = "6"
    & skf21("7","1","1","4","4","4","6","1") = "6"
    & skf21("7","1","1","4","4","4","7","1") = "6"
    & skf21("7","1","1","4","4","5","1","1") = "6"
    & skf21("7","1","1","4","4","5","2","1") = "6"
    & skf21("7","1","1","4","4","5","3","1") = "6"
    & skf21("7","1","1","4","4","5","4","1") = "6"
    & skf21("7","1","1","4","4","5","5","1") = "6"
    & skf21("7","1","1","4","4","5","6","1") = "6"
    & skf21("7","1","1","4","4","5","7","1") = "6"
    & skf21("7","1","1","4","4","6","1","1") = "6"
    & skf21("7","1","1","4","4","6","2","1") = "6"
    & skf21("7","1","1","4","4","6","3","1") = "6"
    & skf21("7","1","1","4","4","6","4","1") = "6"
    & skf21("7","1","1","4","4","6","5","1") = "6"
    & skf21("7","1","1","4","4","6","6","1") = "6"
    & skf21("7","1","1","4","4","6","7","1") = "6"
    & skf21("7","1","1","4","4","7","1","1") = "6"
    & skf21("7","1","1","4","4","7","2","1") = "6"
    & skf21("7","1","1","4","4","7","3","1") = "6"
    & skf21("7","1","1","4","4","7","4","1") = "6"
    & skf21("7","1","1","4","4","7","5","1") = "6"
    & skf21("7","1","1","4","4","7","6","1") = "6"
    & skf21("7","1","1","4","4","7","7","1") = "6"
    & skf21("7","1","1","4","5","1","1","1") = "6"
    & skf21("7","1","1","4","5","1","2","1") = "6"
    & skf21("7","1","1","4","5","1","3","1") = "6"
    & skf21("7","1","1","4","5","1","4","1") = "6"
    & skf21("7","1","1","4","5","1","5","1") = "6"
    & skf21("7","1","1","4","5","1","6","1") = "6"
    & skf21("7","1","1","4","5","1","7","1") = "6"
    & skf21("7","1","1","4","5","2","1","1") = "6"
    & skf21("7","1","1","4","5","2","2","1") = "6"
    & skf21("7","1","1","4","5","2","3","1") = "6"
    & skf21("7","1","1","4","5","2","4","1") = "6"
    & skf21("7","1","1","4","5","2","5","1") = "6"
    & skf21("7","1","1","4","5","2","6","1") = "6"
    & skf21("7","1","1","4","5","2","7","1") = "6"
    & skf21("7","1","1","4","5","3","1","1") = "6"
    & skf21("7","1","1","4","5","3","2","1") = "6"
    & skf21("7","1","1","4","5","3","3","1") = "6"
    & skf21("7","1","1","4","5","3","4","1") = "6"
    & skf21("7","1","1","4","5","3","5","1") = "6"
    & skf21("7","1","1","4","5","3","6","1") = "6"
    & skf21("7","1","1","4","5","3","7","1") = "6"
    & skf21("7","1","1","4","5","4","1","1") = "6"
    & skf21("7","1","1","4","5","4","2","1") = "6"
    & skf21("7","1","1","4","5","4","3","1") = "6"
    & skf21("7","1","1","4","5","4","4","1") = "6"
    & skf21("7","1","1","4","5","4","5","1") = "6"
    & skf21("7","1","1","4","5","4","6","1") = "6"
    & skf21("7","1","1","4","5","4","7","1") = "6"
    & skf21("7","1","1","4","5","5","1","1") = "6"
    & skf21("7","1","1","4","5","5","2","1") = "6"
    & skf21("7","1","1","4","5","5","3","1") = "6"
    & skf21("7","1","1","4","5","5","4","1") = "6"
    & skf21("7","1","1","4","5","5","5","1") = "6"
    & skf21("7","1","1","4","5","5","6","1") = "6"
    & skf21("7","1","1","4","5","5","7","1") = "6"
    & skf21("7","1","1","4","5","6","1","1") = "6"
    & skf21("7","1","1","4","5","6","2","1") = "6"
    & skf21("7","1","1","4","5","6","3","1") = "6"
    & skf21("7","1","1","4","5","6","4","1") = "6"
    & skf21("7","1","1","4","5","6","5","1") = "6"
    & skf21("7","1","1","4","5","6","6","1") = "6"
    & skf21("7","1","1","4","5","6","7","1") = "6"
    & skf21("7","1","1","4","5","7","1","1") = "6"
    & skf21("7","1","1","4","5","7","2","1") = "6"
    & skf21("7","1","1","4","5","7","3","1") = "6"
    & skf21("7","1","1","4","5","7","4","1") = "6"
    & skf21("7","1","1","4","5","7","5","1") = "6"
    & skf21("7","1","1","4","5","7","6","1") = "6"
    & skf21("7","1","1","4","5","7","7","1") = "6"
    & skf21("7","1","1","4","6","1","1","1") = "6"
    & skf21("7","1","1","4","6","1","2","1") = "6"
    & skf21("7","1","1","4","6","1","3","1") = "6"
    & skf21("7","1","1","4","6","1","4","1") = "6"
    & skf21("7","1","1","4","6","1","5","1") = "6"
    & skf21("7","1","1","4","6","1","6","1") = "6"
    & skf21("7","1","1","4","6","1","7","1") = "6"
    & skf21("7","1","1","4","6","2","1","1") = "6"
    & skf21("7","1","1","4","6","2","2","1") = "6"
    & skf21("7","1","1","4","6","2","3","1") = "6"
    & skf21("7","1","1","4","6","2","4","1") = "6"
    & skf21("7","1","1","4","6","2","5","1") = "6"
    & skf21("7","1","1","4","6","2","6","1") = "6"
    & skf21("7","1","1","4","6","2","7","1") = "6"
    & skf21("7","1","1","4","6","3","1","1") = "6"
    & skf21("7","1","1","4","6","3","2","1") = "6"
    & skf21("7","1","1","4","6","3","3","1") = "6"
    & skf21("7","1","1","4","6","3","4","1") = "6"
    & skf21("7","1","1","4","6","3","5","1") = "6"
    & skf21("7","1","1","4","6","3","6","1") = "6"
    & skf21("7","1","1","4","6","3","7","1") = "6"
    & skf21("7","1","1","4","6","4","1","1") = "6"
    & skf21("7","1","1","4","6","4","2","1") = "6"
    & skf21("7","1","1","4","6","4","3","1") = "6"
    & skf21("7","1","1","4","6","4","4","1") = "6"
    & skf21("7","1","1","4","6","4","5","1") = "6"
    & skf21("7","1","1","4","6","4","6","1") = "6"
    & skf21("7","1","1","4","6","4","7","1") = "6"
    & skf21("7","1","1","4","6","5","1","1") = "6"
    & skf21("7","1","1","4","6","5","2","1") = "6"
    & skf21("7","1","1","4","6","5","3","1") = "6"
    & skf21("7","1","1","4","6","5","4","1") = "6"
    & skf21("7","1","1","4","6","5","5","1") = "6"
    & skf21("7","1","1","4","6","5","6","1") = "6"
    & skf21("7","1","1","4","6","5","7","1") = "6"
    & skf21("7","1","1","4","6","6","1","1") = "6"
    & skf21("7","1","1","4","6","6","2","1") = "6"
    & skf21("7","1","1","4","6","6","3","1") = "6"
    & skf21("7","1","1","4","6","6","4","1") = "6"
    & skf21("7","1","1","4","6","6","5","1") = "6"
    & skf21("7","1","1","4","6","6","6","1") = "6"
    & skf21("7","1","1","4","6","6","7","1") = "6"
    & skf21("7","1","1","4","6","7","1","1") = "6"
    & skf21("7","1","1","4","6","7","2","1") = "6"
    & skf21("7","1","1","4","6","7","3","1") = "6"
    & skf21("7","1","1","4","6","7","4","1") = "6"
    & skf21("7","1","1","4","6","7","5","1") = "6"
    & skf21("7","1","1","4","6","7","6","1") = "6"
    & skf21("7","1","1","4","6","7","7","1") = "6"
    & skf21("7","1","1","4","7","1","1","1") = "6"
    & skf21("7","1","1","4","7","1","2","1") = "6"
    & skf21("7","1","1","4","7","1","3","1") = "6"
    & skf21("7","1","1","4","7","1","4","1") = "6"
    & skf21("7","1","1","4","7","1","5","1") = "6"
    & skf21("7","1","1","4","7","1","6","1") = "6"
    & skf21("7","1","1","4","7","1","7","1") = "6"
    & skf21("7","1","1","4","7","2","1","1") = "6"
    & skf21("7","1","1","4","7","2","2","1") = "6"
    & skf21("7","1","1","4","7","2","3","1") = "6"
    & skf21("7","1","1","4","7","2","4","1") = "6"
    & skf21("7","1","1","4","7","2","5","1") = "6"
    & skf21("7","1","1","4","7","2","6","1") = "6"
    & skf21("7","1","1","4","7","2","7","1") = "6"
    & skf21("7","1","1","4","7","3","1","1") = "6"
    & skf21("7","1","1","4","7","3","2","1") = "6"
    & skf21("7","1","1","4","7","3","3","1") = "6"
    & skf21("7","1","1","4","7","3","4","1") = "6"
    & skf21("7","1","1","4","7","3","5","1") = "6"
    & skf21("7","1","1","4","7","3","6","1") = "6"
    & skf21("7","1","1","4","7","3","7","1") = "6"
    & skf21("7","1","1","4","7","4","1","1") = "6"
    & skf21("7","1","1","4","7","4","2","1") = "6"
    & skf21("7","1","1","4","7","4","3","1") = "6"
    & skf21("7","1","1","4","7","4","4","1") = "6"
    & skf21("7","1","1","4","7","4","5","1") = "6"
    & skf21("7","1","1","4","7","4","6","1") = "6"
    & skf21("7","1","1","4","7","4","7","1") = "6"
    & skf21("7","1","1","4","7","5","1","1") = "6"
    & skf21("7","1","1","4","7","5","2","1") = "6"
    & skf21("7","1","1","4","7","5","3","1") = "6"
    & skf21("7","1","1","4","7","5","4","1") = "6"
    & skf21("7","1","1","4","7","5","5","1") = "6"
    & skf21("7","1","1","4","7","5","6","1") = "6"
    & skf21("7","1","1","4","7","5","7","1") = "6"
    & skf21("7","1","1","4","7","6","1","1") = "6"
    & skf21("7","1","1","4","7","6","2","1") = "6"
    & skf21("7","1","1","4","7","6","3","1") = "6"
    & skf21("7","1","1","4","7","6","4","1") = "6"
    & skf21("7","1","1","4","7","6","5","1") = "6"
    & skf21("7","1","1","4","7","6","6","1") = "6"
    & skf21("7","1","1","4","7","6","7","1") = "6"
    & skf21("7","1","1","4","7","7","1","1") = "6"
    & skf21("7","1","1","4","7","7","2","1") = "6"
    & skf21("7","1","1","4","7","7","3","1") = "6"
    & skf21("7","1","1","4","7","7","4","1") = "6"
    & skf21("7","1","1","4","7","7","5","1") = "6"
    & skf21("7","1","1","4","7","7","6","1") = "6"
    & skf21("7","1","1","4","7","7","7","1") = "6"
    & skf21("7","1","1","5","1","1","1","1") = "6"
    & skf21("7","1","1","5","1","1","2","1") = "6"
    & skf21("7","1","1","5","1","1","3","1") = "6"
    & skf21("7","1","1","5","1","1","4","1") = "6"
    & skf21("7","1","1","5","1","1","5","1") = "6"
    & skf21("7","1","1","5","1","1","6","1") = "6"
    & skf21("7","1","1","5","1","1","7","1") = "6"
    & skf21("7","1","1","5","1","2","1","1") = "6"
    & skf21("7","1","1","5","1","2","2","1") = "6"
    & skf21("7","1","1","5","1","2","3","1") = "6"
    & skf21("7","1","1","5","1","2","4","1") = "6"
    & skf21("7","1","1","5","1","2","5","1") = "6"
    & skf21("7","1","1","5","1","2","6","1") = "6"
    & skf21("7","1","1","5","1","2","7","1") = "6"
    & skf21("7","1","1","5","1","3","1","1") = "6"
    & skf21("7","1","1","5","1","3","2","1") = "6"
    & skf21("7","1","1","5","1","3","3","1") = "6"
    & skf21("7","1","1","5","1","3","4","1") = "6"
    & skf21("7","1","1","5","1","3","5","1") = "6"
    & skf21("7","1","1","5","1","3","6","1") = "6"
    & skf21("7","1","1","5","1","3","7","1") = "6"
    & skf21("7","1","1","5","1","4","1","1") = "6"
    & skf21("7","1","1","5","1","4","2","1") = "6"
    & skf21("7","1","1","5","1","4","3","1") = "6"
    & skf21("7","1","1","5","1","4","4","1") = "6"
    & skf21("7","1","1","5","1","4","5","1") = "6"
    & skf21("7","1","1","5","1","4","6","1") = "6"
    & skf21("7","1","1","5","1","4","7","1") = "6"
    & skf21("7","1","1","5","1","5","1","1") = "6"
    & skf21("7","1","1","5","1","5","2","1") = "6"
    & skf21("7","1","1","5","1","5","3","1") = "6"
    & skf21("7","1","1","5","1","5","4","1") = "6"
    & skf21("7","1","1","5","1","5","5","1") = "6"
    & skf21("7","1","1","5","1","5","6","1") = "6"
    & skf21("7","1","1","5","1","5","7","1") = "6"
    & skf21("7","1","1","5","1","6","1","1") = "6"
    & skf21("7","1","1","5","1","6","2","1") = "6"
    & skf21("7","1","1","5","1","6","3","1") = "6"
    & skf21("7","1","1","5","1","6","4","1") = "6"
    & skf21("7","1","1","5","1","6","5","1") = "6"
    & skf21("7","1","1","5","1","6","6","1") = "6"
    & skf21("7","1","1","5","1","6","7","1") = "6"
    & skf21("7","1","1","5","1","7","1","1") = "6"
    & skf21("7","1","1","5","1","7","2","1") = "6"
    & skf21("7","1","1","5","1","7","3","1") = "6"
    & skf21("7","1","1","5","1","7","4","1") = "6"
    & skf21("7","1","1","5","1","7","5","1") = "6"
    & skf21("7","1","1","5","1","7","6","1") = "6"
    & skf21("7","1","1","5","1","7","7","1") = "6"
    & skf21("7","1","1","5","2","1","1","1") = "6"
    & skf21("7","1","1","5","2","1","2","1") = "6"
    & skf21("7","1","1","5","2","1","3","1") = "6"
    & skf21("7","1","1","5","2","1","4","1") = "6"
    & skf21("7","1","1","5","2","1","5","1") = "6"
    & skf21("7","1","1","5","2","1","6","1") = "6"
    & skf21("7","1","1","5","2","1","7","1") = "6"
    & skf21("7","1","1","5","2","2","1","1") = "6"
    & skf21("7","1","1","5","2","2","2","1") = "6"
    & skf21("7","1","1","5","2","2","3","1") = "6"
    & skf21("7","1","1","5","2","2","4","1") = "6"
    & skf21("7","1","1","5","2","2","5","1") = "6"
    & skf21("7","1","1","5","2","2","6","1") = "6"
    & skf21("7","1","1","5","2","2","7","1") = "6"
    & skf21("7","1","1","5","2","3","1","1") = "6"
    & skf21("7","1","1","5","2","3","2","1") = "6"
    & skf21("7","1","1","5","2","3","3","1") = "6"
    & skf21("7","1","1","5","2","3","4","1") = "6"
    & skf21("7","1","1","5","2","3","5","1") = "6"
    & skf21("7","1","1","5","2","3","6","1") = "6"
    & skf21("7","1","1","5","2","3","7","1") = "6"
    & skf21("7","1","1","5","2","4","1","1") = "6"
    & skf21("7","1","1","5","2","4","2","1") = "6"
    & skf21("7","1","1","5","2","4","3","1") = "6"
    & skf21("7","1","1","5","2","4","4","1") = "6"
    & skf21("7","1","1","5","2","4","5","1") = "6"
    & skf21("7","1","1","5","2","4","6","1") = "6"
    & skf21("7","1","1","5","2","4","7","1") = "6"
    & skf21("7","1","1","5","2","5","1","1") = "6"
    & skf21("7","1","1","5","2","5","2","1") = "6"
    & skf21("7","1","1","5","2","5","3","1") = "6"
    & skf21("7","1","1","5","2","5","4","1") = "6"
    & skf21("7","1","1","5","2","5","5","1") = "6"
    & skf21("7","1","1","5","2","5","6","1") = "6"
    & skf21("7","1","1","5","2","5","7","1") = "6"
    & skf21("7","1","1","5","2","6","1","1") = "6"
    & skf21("7","1","1","5","2","6","2","1") = "6"
    & skf21("7","1","1","5","2","6","3","1") = "6"
    & skf21("7","1","1","5","2","6","4","1") = "6"
    & skf21("7","1","1","5","2","6","5","1") = "6"
    & skf21("7","1","1","5","2","6","6","1") = "6"
    & skf21("7","1","1","5","2","6","7","1") = "6"
    & skf21("7","1","1","5","2","7","1","1") = "6"
    & skf21("7","1","1","5","2","7","2","1") = "6"
    & skf21("7","1","1","5","2","7","3","1") = "6"
    & skf21("7","1","1","5","2","7","4","1") = "6"
    & skf21("7","1","1","5","2","7","5","1") = "6"
    & skf21("7","1","1","5","2","7","6","1") = "6"
    & skf21("7","1","1","5","2","7","7","1") = "6"
    & skf21("7","1","1","5","3","1","1","1") = "6"
    & skf21("7","1","1","5","3","1","2","1") = "6"
    & skf21("7","1","1","5","3","1","3","1") = "6"
    & skf21("7","1","1","5","3","1","4","1") = "6"
    & skf21("7","1","1","5","3","1","5","1") = "6"
    & skf21("7","1","1","5","3","1","6","1") = "6"
    & skf21("7","1","1","5","3","1","7","1") = "6"
    & skf21("7","1","1","5","3","2","1","1") = "6"
    & skf21("7","1","1","5","3","2","2","1") = "6"
    & skf21("7","1","1","5","3","2","3","1") = "6"
    & skf21("7","1","1","5","3","2","4","1") = "6"
    & skf21("7","1","1","5","3","2","5","1") = "6"
    & skf21("7","1","1","5","3","2","6","1") = "6"
    & skf21("7","1","1","5","3","2","7","1") = "6"
    & skf21("7","1","1","5","3","3","1","1") = "6"
    & skf21("7","1","1","5","3","3","2","1") = "6"
    & skf21("7","1","1","5","3","3","3","1") = "6"
    & skf21("7","1","1","5","3","3","4","1") = "6"
    & skf21("7","1","1","5","3","3","5","1") = "6"
    & skf21("7","1","1","5","3","3","6","1") = "6"
    & skf21("7","1","1","5","3","3","7","1") = "6"
    & skf21("7","1","1","5","3","4","1","1") = "6"
    & skf21("7","1","1","5","3","4","2","1") = "6"
    & skf21("7","1","1","5","3","4","3","1") = "6"
    & skf21("7","1","1","5","3","4","4","1") = "6"
    & skf21("7","1","1","5","3","4","5","1") = "6"
    & skf21("7","1","1","5","3","4","6","1") = "6"
    & skf21("7","1","1","5","3","4","7","1") = "6"
    & skf21("7","1","1","5","3","5","1","1") = "6"
    & skf21("7","1","1","5","3","5","2","1") = "6"
    & skf21("7","1","1","5","3","5","3","1") = "6"
    & skf21("7","1","1","5","3","5","4","1") = "6"
    & skf21("7","1","1","5","3","5","5","1") = "6"
    & skf21("7","1","1","5","3","5","6","1") = "6"
    & skf21("7","1","1","5","3","5","7","1") = "6"
    & skf21("7","1","1","5","3","6","1","1") = "6"
    & skf21("7","1","1","5","3","6","2","1") = "6"
    & skf21("7","1","1","5","3","6","3","1") = "6"
    & skf21("7","1","1","5","3","6","4","1") = "6"
    & skf21("7","1","1","5","3","6","5","1") = "6"
    & skf21("7","1","1","5","3","6","6","1") = "6"
    & skf21("7","1","1","5","3","6","7","1") = "6"
    & skf21("7","1","1","5","3","7","1","1") = "6"
    & skf21("7","1","1","5","3","7","2","1") = "6"
    & skf21("7","1","1","5","3","7","3","1") = "6"
    & skf21("7","1","1","5","3","7","4","1") = "6"
    & skf21("7","1","1","5","3","7","5","1") = "6"
    & skf21("7","1","1","5","3","7","6","1") = "6"
    & skf21("7","1","1","5","3","7","7","1") = "6"
    & skf21("7","1","1","5","4","1","1","1") = "6"
    & skf21("7","1","1","5","4","1","2","1") = "6"
    & skf21("7","1","1","5","4","1","3","1") = "6"
    & skf21("7","1","1","5","4","1","4","1") = "6"
    & skf21("7","1","1","5","4","1","5","1") = "6"
    & skf21("7","1","1","5","4","1","6","1") = "6"
    & skf21("7","1","1","5","4","1","7","1") = "6"
    & skf21("7","1","1","5","4","2","1","1") = "6"
    & skf21("7","1","1","5","4","2","2","1") = "6"
    & skf21("7","1","1","5","4","2","3","1") = "6"
    & skf21("7","1","1","5","4","2","4","1") = "6"
    & skf21("7","1","1","5","4","2","5","1") = "6"
    & skf21("7","1","1","5","4","2","6","1") = "6"
    & skf21("7","1","1","5","4","2","7","1") = "6"
    & skf21("7","1","1","5","4","3","1","1") = "6"
    & skf21("7","1","1","5","4","3","2","1") = "6"
    & skf21("7","1","1","5","4","3","3","1") = "6"
    & skf21("7","1","1","5","4","3","4","1") = "6"
    & skf21("7","1","1","5","4","3","5","1") = "6"
    & skf21("7","1","1","5","4","3","6","1") = "6"
    & skf21("7","1","1","5","4","3","7","1") = "6"
    & skf21("7","1","1","5","4","4","1","1") = "6"
    & skf21("7","1","1","5","4","4","2","1") = "6"
    & skf21("7","1","1","5","4","4","3","1") = "6"
    & skf21("7","1","1","5","4","4","4","1") = "6"
    & skf21("7","1","1","5","4","4","5","1") = "6"
    & skf21("7","1","1","5","4","4","6","1") = "6"
    & skf21("7","1","1","5","4","4","7","1") = "6"
    & skf21("7","1","1","5","4","5","1","1") = "6"
    & skf21("7","1","1","5","4","5","2","1") = "6"
    & skf21("7","1","1","5","4","5","3","1") = "6"
    & skf21("7","1","1","5","4","5","4","1") = "6"
    & skf21("7","1","1","5","4","5","5","1") = "6"
    & skf21("7","1","1","5","4","5","6","1") = "6"
    & skf21("7","1","1","5","4","5","7","1") = "6"
    & skf21("7","1","1","5","4","6","1","1") = "6"
    & skf21("7","1","1","5","4","6","2","1") = "6"
    & skf21("7","1","1","5","4","6","3","1") = "6"
    & skf21("7","1","1","5","4","6","4","1") = "6"
    & skf21("7","1","1","5","4","6","5","1") = "6"
    & skf21("7","1","1","5","4","6","6","1") = "6"
    & skf21("7","1","1","5","4","6","7","1") = "6"
    & skf21("7","1","1","5","4","7","1","1") = "6"
    & skf21("7","1","1","5","4","7","2","1") = "6"
    & skf21("7","1","1","5","4","7","3","1") = "6"
    & skf21("7","1","1","5","4","7","4","1") = "6"
    & skf21("7","1","1","5","4","7","5","1") = "6"
    & skf21("7","1","1","5","4","7","6","1") = "6"
    & skf21("7","1","1","5","4","7","7","1") = "6"
    & skf21("7","1","1","5","5","1","1","1") = "6"
    & skf21("7","1","1","5","5","1","2","1") = "6"
    & skf21("7","1","1","5","5","1","3","1") = "6"
    & skf21("7","1","1","5","5","1","4","1") = "6"
    & skf21("7","1","1","5","5","1","5","1") = "6"
    & skf21("7","1","1","5","5","1","6","1") = "6"
    & skf21("7","1","1","5","5","1","7","1") = "6"
    & skf21("7","1","1","5","5","2","1","1") = "6"
    & skf21("7","1","1","5","5","2","2","1") = "6"
    & skf21("7","1","1","5","5","2","3","1") = "6"
    & skf21("7","1","1","5","5","2","4","1") = "6"
    & skf21("7","1","1","5","5","2","5","1") = "6"
    & skf21("7","1","1","5","5","2","6","1") = "6"
    & skf21("7","1","1","5","5","2","7","1") = "6"
    & skf21("7","1","1","5","5","3","1","1") = "6"
    & skf21("7","1","1","5","5","3","2","1") = "6"
    & skf21("7","1","1","5","5","3","3","1") = "6"
    & skf21("7","1","1","5","5","3","4","1") = "6"
    & skf21("7","1","1","5","5","3","5","1") = "6"
    & skf21("7","1","1","5","5","3","6","1") = "6"
    & skf21("7","1","1","5","5","3","7","1") = "6"
    & skf21("7","1","1","5","5","4","1","1") = "6"
    & skf21("7","1","1","5","5","4","2","1") = "6"
    & skf21("7","1","1","5","5","4","3","1") = "6"
    & skf21("7","1","1","5","5","4","4","1") = "6"
    & skf21("7","1","1","5","5","4","5","1") = "6"
    & skf21("7","1","1","5","5","4","6","1") = "6"
    & skf21("7","1","1","5","5","4","7","1") = "6"
    & skf21("7","1","1","5","5","5","1","1") = "6"
    & skf21("7","1","1","5","5","5","2","1") = "6"
    & skf21("7","1","1","5","5","5","3","1") = "6"
    & skf21("7","1","1","5","5","5","4","1") = "6"
    & skf21("7","1","1","5","5","5","5","1") = "6"
    & skf21("7","1","1","5","5","5","6","1") = "6"
    & skf21("7","1","1","5","5","5","7","1") = "6"
    & skf21("7","1","1","5","5","6","1","1") = "6"
    & skf21("7","1","1","5","5","6","2","1") = "6"
    & skf21("7","1","1","5","5","6","3","1") = "6"
    & skf21("7","1","1","5","5","6","4","1") = "6"
    & skf21("7","1","1","5","5","6","5","1") = "6"
    & skf21("7","1","1","5","5","6","6","1") = "6"
    & skf21("7","1","1","5","5","6","7","1") = "6"
    & skf21("7","1","1","5","5","7","1","1") = "6"
    & skf21("7","1","1","5","5","7","2","1") = "6"
    & skf21("7","1","1","5","5","7","3","1") = "6"
    & skf21("7","1","1","5","5","7","4","1") = "6"
    & skf21("7","1","1","5","5","7","5","1") = "6"
    & skf21("7","1","1","5","5","7","6","1") = "6"
    & skf21("7","1","1","5","5","7","7","1") = "6"
    & skf21("7","1","1","5","6","1","1","1") = "6"
    & skf21("7","1","1","5","6","1","2","1") = "6"
    & skf21("7","1","1","5","6","1","3","1") = "6"
    & skf21("7","1","1","5","6","1","4","1") = "6"
    & skf21("7","1","1","5","6","1","5","1") = "6"
    & skf21("7","1","1","5","6","1","6","1") = "6"
    & skf21("7","1","1","5","6","1","7","1") = "6"
    & skf21("7","1","1","5","6","2","1","1") = "6"
    & skf21("7","1","1","5","6","2","2","1") = "6"
    & skf21("7","1","1","5","6","2","3","1") = "6"
    & skf21("7","1","1","5","6","2","4","1") = "6"
    & skf21("7","1","1","5","6","2","5","1") = "6"
    & skf21("7","1","1","5","6","2","6","1") = "6"
    & skf21("7","1","1","5","6","2","7","1") = "6"
    & skf21("7","1","1","5","6","3","1","1") = "6"
    & skf21("7","1","1","5","6","3","2","1") = "6"
    & skf21("7","1","1","5","6","3","3","1") = "6"
    & skf21("7","1","1","5","6","3","4","1") = "6"
    & skf21("7","1","1","5","6","3","5","1") = "6"
    & skf21("7","1","1","5","6","3","6","1") = "6"
    & skf21("7","1","1","5","6","3","7","1") = "6"
    & skf21("7","1","1","5","6","4","1","1") = "6"
    & skf21("7","1","1","5","6","4","2","1") = "6"
    & skf21("7","1","1","5","6","4","3","1") = "6"
    & skf21("7","1","1","5","6","4","4","1") = "6"
    & skf21("7","1","1","5","6","4","5","1") = "6"
    & skf21("7","1","1","5","6","4","6","1") = "6"
    & skf21("7","1","1","5","6","4","7","1") = "6"
    & skf21("7","1","1","5","6","5","1","1") = "6"
    & skf21("7","1","1","5","6","5","2","1") = "6"
    & skf21("7","1","1","5","6","5","3","1") = "6"
    & skf21("7","1","1","5","6","5","4","1") = "6"
    & skf21("7","1","1","5","6","5","5","1") = "6"
    & skf21("7","1","1","5","6","5","6","1") = "6"
    & skf21("7","1","1","5","6","5","7","1") = "6"
    & skf21("7","1","1","5","6","6","1","1") = "6"
    & skf21("7","1","1","5","6","6","2","1") = "6"
    & skf21("7","1","1","5","6","6","3","1") = "6"
    & skf21("7","1","1","5","6","6","4","1") = "6"
    & skf21("7","1","1","5","6","6","5","1") = "6"
    & skf21("7","1","1","5","6","6","6","1") = "6"
    & skf21("7","1","1","5","6","6","7","1") = "6"
    & skf21("7","1","1","5","6","7","1","1") = "6"
    & skf21("7","1","1","5","6","7","2","1") = "6"
    & skf21("7","1","1","5","6","7","3","1") = "6"
    & skf21("7","1","1","5","6","7","4","1") = "6"
    & skf21("7","1","1","5","6","7","5","1") = "6"
    & skf21("7","1","1","5","6","7","6","1") = "6"
    & skf21("7","1","1","5","6","7","7","1") = "6"
    & skf21("7","1","1","5","7","1","1","1") = "6"
    & skf21("7","1","1","5","7","1","2","1") = "6"
    & skf21("7","1","1","5","7","1","3","1") = "6"
    & skf21("7","1","1","5","7","1","4","1") = "6"
    & skf21("7","1","1","5","7","1","5","1") = "6"
    & skf21("7","1","1","5","7","1","6","1") = "6"
    & skf21("7","1","1","5","7","1","7","1") = "6"
    & skf21("7","1","1","5","7","2","1","1") = "6"
    & skf21("7","1","1","5","7","2","2","1") = "6"
    & skf21("7","1","1","5","7","2","3","1") = "6"
    & skf21("7","1","1","5","7","2","4","1") = "6"
    & skf21("7","1","1","5","7","2","5","1") = "6"
    & skf21("7","1","1","5","7","2","6","1") = "6"
    & skf21("7","1","1","5","7","2","7","1") = "6"
    & skf21("7","1","1","5","7","3","1","1") = "6"
    & skf21("7","1","1","5","7","3","2","1") = "6"
    & skf21("7","1","1","5","7","3","3","1") = "6"
    & skf21("7","1","1","5","7","3","4","1") = "6"
    & skf21("7","1","1","5","7","3","5","1") = "6"
    & skf21("7","1","1","5","7","3","6","1") = "6"
    & skf21("7","1","1","5","7","3","7","1") = "6"
    & skf21("7","1","1","5","7","4","1","1") = "6"
    & skf21("7","1","1","5","7","4","2","1") = "6"
    & skf21("7","1","1","5","7","4","3","1") = "6"
    & skf21("7","1","1","5","7","4","4","1") = "6"
    & skf21("7","1","1","5","7","4","5","1") = "6"
    & skf21("7","1","1","5","7","4","6","1") = "6"
    & skf21("7","1","1","5","7","4","7","1") = "6"
    & skf21("7","1","1","5","7","5","1","1") = "6"
    & skf21("7","1","1","5","7","5","2","1") = "6"
    & skf21("7","1","1","5","7","5","3","1") = "6"
    & skf21("7","1","1","5","7","5","4","1") = "6"
    & skf21("7","1","1","5","7","5","5","1") = "6"
    & skf21("7","1","1","5","7","5","6","1") = "6"
    & skf21("7","1","1","5","7","5","7","1") = "6"
    & skf21("7","1","1","5","7","6","1","1") = "6"
    & skf21("7","1","1","5","7","6","2","1") = "6"
    & skf21("7","1","1","5","7","6","3","1") = "6"
    & skf21("7","1","1","5","7","6","4","1") = "6"
    & skf21("7","1","1","5","7","6","5","1") = "6"
    & skf21("7","1","1","5","7","6","6","1") = "6"
    & skf21("7","1","1","5","7","6","7","1") = "6"
    & skf21("7","1","1","5","7","7","1","1") = "6"
    & skf21("7","1","1","5","7","7","2","1") = "6"
    & skf21("7","1","1","5","7","7","3","1") = "6"
    & skf21("7","1","1","5","7","7","4","1") = "6"
    & skf21("7","1","1","5","7","7","5","1") = "6"
    & skf21("7","1","1","5","7","7","6","1") = "6"
    & skf21("7","1","1","5","7","7","7","1") = "6"
    & skf21("7","1","1","6","1","1","1","1") = "6"
    & skf21("7","1","1","6","1","1","2","1") = "6"
    & skf21("7","1","1","6","1","1","3","1") = "6"
    & skf21("7","1","1","6","1","1","4","1") = "6"
    & skf21("7","1","1","6","1","1","5","1") = "6"
    & skf21("7","1","1","6","1","1","6","1") = "6"
    & skf21("7","1","1","6","1","1","7","1") = "6"
    & skf21("7","1","1","6","1","2","1","1") = "6"
    & skf21("7","1","1","6","1","2","2","1") = "6"
    & skf21("7","1","1","6","1","2","3","1") = "6"
    & skf21("7","1","1","6","1","2","4","1") = "6"
    & skf21("7","1","1","6","1","2","5","1") = "6"
    & skf21("7","1","1","6","1","2","6","1") = "6"
    & skf21("7","1","1","6","1","2","7","1") = "6"
    & skf21("7","1","1","6","1","3","1","1") = "6"
    & skf21("7","1","1","6","1","3","2","1") = "6"
    & skf21("7","1","1","6","1","3","3","1") = "6"
    & skf21("7","1","1","6","1","3","4","1") = "6"
    & skf21("7","1","1","6","1","3","5","1") = "6"
    & skf21("7","1","1","6","1","3","6","1") = "6"
    & skf21("7","1","1","6","1","3","7","1") = "6"
    & skf21("7","1","1","6","1","4","1","1") = "6"
    & skf21("7","1","1","6","1","4","2","1") = "6"
    & skf21("7","1","1","6","1","4","3","1") = "6"
    & skf21("7","1","1","6","1","4","4","1") = "6"
    & skf21("7","1","1","6","1","4","5","1") = "6"
    & skf21("7","1","1","6","1","4","6","1") = "6"
    & skf21("7","1","1","6","1","4","7","1") = "6"
    & skf21("7","1","1","6","1","5","1","1") = "6"
    & skf21("7","1","1","6","1","5","2","1") = "6"
    & skf21("7","1","1","6","1","5","3","1") = "6"
    & skf21("7","1","1","6","1","5","4","1") = "6"
    & skf21("7","1","1","6","1","5","5","1") = "6"
    & skf21("7","1","1","6","1","5","6","1") = "6"
    & skf21("7","1","1","6","1","5","7","1") = "6"
    & skf21("7","1","1","6","1","6","1","1") = "6"
    & skf21("7","1","1","6","1","6","2","1") = "6"
    & skf21("7","1","1","6","1","6","3","1") = "6"
    & skf21("7","1","1","6","1","6","4","1") = "6"
    & skf21("7","1","1","6","1","6","5","1") = "6"
    & skf21("7","1","1","6","1","6","6","1") = "6"
    & skf21("7","1","1","6","1","6","7","1") = "6"
    & skf21("7","1","1","6","1","7","1","1") = "6"
    & skf21("7","1","1","6","1","7","2","1") = "6"
    & skf21("7","1","1","6","1","7","3","1") = "6"
    & skf21("7","1","1","6","1","7","4","1") = "6"
    & skf21("7","1","1","6","1","7","5","1") = "6"
    & skf21("7","1","1","6","1","7","6","1") = "6"
    & skf21("7","1","1","6","1","7","7","1") = "6"
    & skf21("7","1","1","6","2","1","1","1") = "6"
    & skf21("7","1","1","6","2","1","2","1") = "6"
    & skf21("7","1","1","6","2","1","3","1") = "6"
    & skf21("7","1","1","6","2","1","4","1") = "6"
    & skf21("7","1","1","6","2","1","5","1") = "6"
    & skf21("7","1","1","6","2","1","6","1") = "6"
    & skf21("7","1","1","6","2","1","7","1") = "6"
    & skf21("7","1","1","6","2","2","1","1") = "6"
    & skf21("7","1","1","6","2","2","2","1") = "6"
    & skf21("7","1","1","6","2","2","3","1") = "6"
    & skf21("7","1","1","6","2","2","4","1") = "6"
    & skf21("7","1","1","6","2","2","5","1") = "6"
    & skf21("7","1","1","6","2","2","6","1") = "6"
    & skf21("7","1","1","6","2","2","7","1") = "6"
    & skf21("7","1","1","6","2","3","1","1") = "6"
    & skf21("7","1","1","6","2","3","2","1") = "6"
    & skf21("7","1","1","6","2","3","3","1") = "6"
    & skf21("7","1","1","6","2","3","4","1") = "6"
    & skf21("7","1","1","6","2","3","5","1") = "6"
    & skf21("7","1","1","6","2","3","6","1") = "6"
    & skf21("7","1","1","6","2","3","7","1") = "6"
    & skf21("7","1","1","6","2","4","1","1") = "6"
    & skf21("7","1","1","6","2","4","2","1") = "6"
    & skf21("7","1","1","6","2","4","3","1") = "6"
    & skf21("7","1","1","6","2","4","4","1") = "6"
    & skf21("7","1","1","6","2","4","5","1") = "6"
    & skf21("7","1","1","6","2","4","6","1") = "6"
    & skf21("7","1","1","6","2","4","7","1") = "6"
    & skf21("7","1","1","6","2","5","1","1") = "6"
    & skf21("7","1","1","6","2","5","2","1") = "6"
    & skf21("7","1","1","6","2","5","3","1") = "6"
    & skf21("7","1","1","6","2","5","4","1") = "6"
    & skf21("7","1","1","6","2","5","5","1") = "6"
    & skf21("7","1","1","6","2","5","6","1") = "6"
    & skf21("7","1","1","6","2","5","7","1") = "6"
    & skf21("7","1","1","6","2","6","1","1") = "6"
    & skf21("7","1","1","6","2","6","2","1") = "6"
    & skf21("7","1","1","6","2","6","3","1") = "6"
    & skf21("7","1","1","6","2","6","4","1") = "6"
    & skf21("7","1","1","6","2","6","5","1") = "6"
    & skf21("7","1","1","6","2","6","6","1") = "6"
    & skf21("7","1","1","6","2","6","7","1") = "6"
    & skf21("7","1","1","6","2","7","1","1") = "6"
    & skf21("7","1","1","6","2","7","2","1") = "6"
    & skf21("7","1","1","6","2","7","3","1") = "6"
    & skf21("7","1","1","6","2","7","4","1") = "6"
    & skf21("7","1","1","6","2","7","5","1") = "6"
    & skf21("7","1","1","6","2","7","6","1") = "6"
    & skf21("7","1","1","6","2","7","7","1") = "6"
    & skf21("7","1","1","6","3","1","1","1") = "6"
    & skf21("7","1","1","6","3","1","2","1") = "6"
    & skf21("7","1","1","6","3","1","3","1") = "6"
    & skf21("7","1","1","6","3","1","4","1") = "6"
    & skf21("7","1","1","6","3","1","5","1") = "6"
    & skf21("7","1","1","6","3","1","6","1") = "6"
    & skf21("7","1","1","6","3","1","7","1") = "6"
    & skf21("7","1","1","6","3","2","1","1") = "6"
    & skf21("7","1","1","6","3","2","2","1") = "6"
    & skf21("7","1","1","6","3","2","3","1") = "6"
    & skf21("7","1","1","6","3","2","4","1") = "6"
    & skf21("7","1","1","6","3","2","5","1") = "6"
    & skf21("7","1","1","6","3","2","6","1") = "6"
    & skf21("7","1","1","6","3","2","7","1") = "6"
    & skf21("7","1","1","6","3","3","1","1") = "6"
    & skf21("7","1","1","6","3","3","2","1") = "6"
    & skf21("7","1","1","6","3","3","3","1") = "6"
    & skf21("7","1","1","6","3","3","4","1") = "6"
    & skf21("7","1","1","6","3","3","5","1") = "6"
    & skf21("7","1","1","6","3","3","6","1") = "6"
    & skf21("7","1","1","6","3","3","7","1") = "6"
    & skf21("7","1","1","6","3","4","1","1") = "6"
    & skf21("7","1","1","6","3","4","2","1") = "6"
    & skf21("7","1","1","6","3","4","3","1") = "6"
    & skf21("7","1","1","6","3","4","4","1") = "6"
    & skf21("7","1","1","6","3","4","5","1") = "6"
    & skf21("7","1","1","6","3","4","6","1") = "6"
    & skf21("7","1","1","6","3","4","7","1") = "6"
    & skf21("7","1","1","6","3","5","1","1") = "6"
    & skf21("7","1","1","6","3","5","2","1") = "6"
    & skf21("7","1","1","6","3","5","3","1") = "6"
    & skf21("7","1","1","6","3","5","4","1") = "6"
    & skf21("7","1","1","6","3","5","5","1") = "6"
    & skf21("7","1","1","6","3","5","6","1") = "6"
    & skf21("7","1","1","6","3","5","7","1") = "6"
    & skf21("7","1","1","6","3","6","1","1") = "6"
    & skf21("7","1","1","6","3","6","2","1") = "6"
    & skf21("7","1","1","6","3","6","3","1") = "6"
    & skf21("7","1","1","6","3","6","4","1") = "6"
    & skf21("7","1","1","6","3","6","5","1") = "6"
    & skf21("7","1","1","6","3","6","6","1") = "6"
    & skf21("7","1","1","6","3","6","7","1") = "6"
    & skf21("7","1","1","6","3","7","1","1") = "6"
    & skf21("7","1","1","6","3","7","2","1") = "6"
    & skf21("7","1","1","6","3","7","3","1") = "6"
    & skf21("7","1","1","6","3","7","4","1") = "6"
    & skf21("7","1","1","6","3","7","5","1") = "6"
    & skf21("7","1","1","6","3","7","6","1") = "6"
    & skf21("7","1","1","6","3","7","7","1") = "6"
    & skf21("7","1","1","6","4","1","1","1") = "6"
    & skf21("7","1","1","6","4","1","2","1") = "6"
    & skf21("7","1","1","6","4","1","3","1") = "6"
    & skf21("7","1","1","6","4","1","4","1") = "6"
    & skf21("7","1","1","6","4","1","5","1") = "6"
    & skf21("7","1","1","6","4","1","6","1") = "6"
    & skf21("7","1","1","6","4","1","7","1") = "6"
    & skf21("7","1","1","6","4","2","1","1") = "6"
    & skf21("7","1","1","6","4","2","2","1") = "6"
    & skf21("7","1","1","6","4","2","3","1") = "6"
    & skf21("7","1","1","6","4","2","4","1") = "6"
    & skf21("7","1","1","6","4","2","5","1") = "6"
    & skf21("7","1","1","6","4","2","6","1") = "6"
    & skf21("7","1","1","6","4","2","7","1") = "6"
    & skf21("7","1","1","6","4","3","1","1") = "6"
    & skf21("7","1","1","6","4","3","2","1") = "6"
    & skf21("7","1","1","6","4","3","3","1") = "6"
    & skf21("7","1","1","6","4","3","4","1") = "6"
    & skf21("7","1","1","6","4","3","5","1") = "6"
    & skf21("7","1","1","6","4","3","6","1") = "6"
    & skf21("7","1","1","6","4","3","7","1") = "6"
    & skf21("7","1","1","6","4","4","1","1") = "6"
    & skf21("7","1","1","6","4","4","2","1") = "6"
    & skf21("7","1","1","6","4","4","3","1") = "6"
    & skf21("7","1","1","6","4","4","4","1") = "6"
    & skf21("7","1","1","6","4","4","5","1") = "6"
    & skf21("7","1","1","6","4","4","6","1") = "6"
    & skf21("7","1","1","6","4","4","7","1") = "6"
    & skf21("7","1","1","6","4","5","1","1") = "6"
    & skf21("7","1","1","6","4","5","2","1") = "6"
    & skf21("7","1","1","6","4","5","3","1") = "6"
    & skf21("7","1","1","6","4","5","4","1") = "6"
    & skf21("7","1","1","6","4","5","5","1") = "6"
    & skf21("7","1","1","6","4","5","6","1") = "6"
    & skf21("7","1","1","6","4","5","7","1") = "6"
    & skf21("7","1","1","6","4","6","1","1") = "6"
    & skf21("7","1","1","6","4","6","2","1") = "6"
    & skf21("7","1","1","6","4","6","3","1") = "6"
    & skf21("7","1","1","6","4","6","4","1") = "6"
    & skf21("7","1","1","6","4","6","5","1") = "6"
    & skf21("7","1","1","6","4","6","6","1") = "6"
    & skf21("7","1","1","6","4","6","7","1") = "6"
    & skf21("7","1","1","6","4","7","1","1") = "6"
    & skf21("7","1","1","6","4","7","2","1") = "6"
    & skf21("7","1","1","6","4","7","3","1") = "6"
    & skf21("7","1","1","6","4","7","4","1") = "6"
    & skf21("7","1","1","6","4","7","5","1") = "6"
    & skf21("7","1","1","6","4","7","6","1") = "6"
    & skf21("7","1","1","6","4","7","7","1") = "6"
    & skf21("7","1","1","6","5","1","1","1") = "6"
    & skf21("7","1","1","6","5","1","2","1") = "6"
    & skf21("7","1","1","6","5","1","3","1") = "6"
    & skf21("7","1","1","6","5","1","4","1") = "6"
    & skf21("7","1","1","6","5","1","5","1") = "6"
    & skf21("7","1","1","6","5","1","6","1") = "6"
    & skf21("7","1","1","6","5","1","7","1") = "6"
    & skf21("7","1","1","6","5","2","1","1") = "6"
    & skf21("7","1","1","6","5","2","2","1") = "6"
    & skf21("7","1","1","6","5","2","3","1") = "6"
    & skf21("7","1","1","6","5","2","4","1") = "6"
    & skf21("7","1","1","6","5","2","5","1") = "6"
    & skf21("7","1","1","6","5","2","6","1") = "6"
    & skf21("7","1","1","6","5","2","7","1") = "6"
    & skf21("7","1","1","6","5","3","1","1") = "6"
    & skf21("7","1","1","6","5","3","2","1") = "6"
    & skf21("7","1","1","6","5","3","3","1") = "6"
    & skf21("7","1","1","6","5","3","4","1") = "6"
    & skf21("7","1","1","6","5","3","5","1") = "6"
    & skf21("7","1","1","6","5","3","6","1") = "6"
    & skf21("7","1","1","6","5","3","7","1") = "6"
    & skf21("7","1","1","6","5","4","1","1") = "6"
    & skf21("7","1","1","6","5","4","2","1") = "6"
    & skf21("7","1","1","6","5","4","3","1") = "6"
    & skf21("7","1","1","6","5","4","4","1") = "6"
    & skf21("7","1","1","6","5","4","5","1") = "6"
    & skf21("7","1","1","6","5","4","6","1") = "6"
    & skf21("7","1","1","6","5","4","7","1") = "6"
    & skf21("7","1","1","6","5","5","1","1") = "6"
    & skf21("7","1","1","6","5","5","2","1") = "6"
    & skf21("7","1","1","6","5","5","3","1") = "6"
    & skf21("7","1","1","6","5","5","4","1") = "6"
    & skf21("7","1","1","6","5","5","5","1") = "6"
    & skf21("7","1","1","6","5","5","6","1") = "6"
    & skf21("7","1","1","6","5","5","7","1") = "6"
    & skf21("7","1","1","6","5","6","1","1") = "6"
    & skf21("7","1","1","6","5","6","2","1") = "6"
    & skf21("7","1","1","6","5","6","3","1") = "6"
    & skf21("7","1","1","6","5","6","4","1") = "6"
    & skf21("7","1","1","6","5","6","5","1") = "6"
    & skf21("7","1","1","6","5","6","6","1") = "6"
    & skf21("7","1","1","6","5","6","7","1") = "6"
    & skf21("7","1","1","6","5","7","1","1") = "6"
    & skf21("7","1","1","6","5","7","2","1") = "6"
    & skf21("7","1","1","6","5","7","3","1") = "6"
    & skf21("7","1","1","6","5","7","4","1") = "6"
    & skf21("7","1","1","6","5","7","5","1") = "6"
    & skf21("7","1","1","6","5","7","6","1") = "6"
    & skf21("7","1","1","6","5","7","7","1") = "6"
    & skf21("7","1","1","6","6","1","1","1") = "6"
    & skf21("7","1","1","6","6","1","2","1") = "6"
    & skf21("7","1","1","6","6","1","3","1") = "6"
    & skf21("7","1","1","6","6","1","4","1") = "6"
    & skf21("7","1","1","6","6","1","5","1") = "6"
    & skf21("7","1","1","6","6","1","6","1") = "6"
    & skf21("7","1","1","6","6","1","7","1") = "6"
    & skf21("7","1","1","6","6","2","1","1") = "6"
    & skf21("7","1","1","6","6","2","2","1") = "6"
    & skf21("7","1","1","6","6","2","3","1") = "6"
    & skf21("7","1","1","6","6","2","4","1") = "6"
    & skf21("7","1","1","6","6","2","5","1") = "6"
    & skf21("7","1","1","6","6","2","6","1") = "6"
    & skf21("7","1","1","6","6","2","7","1") = "6"
    & skf21("7","1","1","6","6","3","1","1") = "6"
    & skf21("7","1","1","6","6","3","2","1") = "6"
    & skf21("7","1","1","6","6","3","3","1") = "6"
    & skf21("7","1","1","6","6","3","4","1") = "6"
    & skf21("7","1","1","6","6","3","5","1") = "6"
    & skf21("7","1","1","6","6","3","6","1") = "6"
    & skf21("7","1","1","6","6","3","7","1") = "6"
    & skf21("7","1","1","6","6","4","1","1") = "6"
    & skf21("7","1","1","6","6","4","2","1") = "6"
    & skf21("7","1","1","6","6","4","3","1") = "6"
    & skf21("7","1","1","6","6","4","4","1") = "6"
    & skf21("7","1","1","6","6","4","5","1") = "6"
    & skf21("7","1","1","6","6","4","6","1") = "6"
    & skf21("7","1","1","6","6","4","7","1") = "6"
    & skf21("7","1","1","6","6","5","1","1") = "6"
    & skf21("7","1","1","6","6","5","2","1") = "6"
    & skf21("7","1","1","6","6","5","3","1") = "6"
    & skf21("7","1","1","6","6","5","4","1") = "6"
    & skf21("7","1","1","6","6","5","5","1") = "6"
    & skf21("7","1","1","6","6","5","6","1") = "6"
    & skf21("7","1","1","6","6","5","7","1") = "6"
    & skf21("7","1","1","6","6","6","1","1") = "6"
    & skf21("7","1","1","6","6","6","2","1") = "6"
    & skf21("7","1","1","6","6","6","3","1") = "6"
    & skf21("7","1","1","6","6","6","4","1") = "6"
    & skf21("7","1","1","6","6","6","5","1") = "6"
    & skf21("7","1","1","6","6","6","6","1") = "6"
    & skf21("7","1","1","6","6","6","7","1") = "6"
    & skf21("7","1","1","6","6","7","1","1") = "6"
    & skf21("7","1","1","6","6","7","2","1") = "6"
    & skf21("7","1","1","6","6","7","3","1") = "6"
    & skf21("7","1","1","6","6","7","4","1") = "6"
    & skf21("7","1","1","6","6","7","5","1") = "6"
    & skf21("7","1","1","6","6","7","6","1") = "6"
    & skf21("7","1","1","6","6","7","7","1") = "6"
    & skf21("7","1","1","6","7","1","1","1") = "6"
    & skf21("7","1","1","6","7","1","2","1") = "6"
    & skf21("7","1","1","6","7","1","3","1") = "6"
    & skf21("7","1","1","6","7","1","4","1") = "6"
    & skf21("7","1","1","6","7","1","5","1") = "6"
    & skf21("7","1","1","6","7","1","6","1") = "6"
    & skf21("7","1","1","6","7","1","7","1") = "6"
    & skf21("7","1","1","6","7","2","1","1") = "6"
    & skf21("7","1","1","6","7","2","2","1") = "6"
    & skf21("7","1","1","6","7","2","3","1") = "6"
    & skf21("7","1","1","6","7","2","4","1") = "6"
    & skf21("7","1","1","6","7","2","5","1") = "6"
    & skf21("7","1","1","6","7","2","6","1") = "6"
    & skf21("7","1","1","6","7","2","7","1") = "6"
    & skf21("7","1","1","6","7","3","1","1") = "6"
    & skf21("7","1","1","6","7","3","2","1") = "6"
    & skf21("7","1","1","6","7","3","3","1") = "6"
    & skf21("7","1","1","6","7","3","4","1") = "6"
    & skf21("7","1","1","6","7","3","5","1") = "6"
    & skf21("7","1","1","6","7","3","6","1") = "6"
    & skf21("7","1","1","6","7","3","7","1") = "6"
    & skf21("7","1","1","6","7","4","1","1") = "6"
    & skf21("7","1","1","6","7","4","2","1") = "6"
    & skf21("7","1","1","6","7","4","3","1") = "6"
    & skf21("7","1","1","6","7","4","4","1") = "6"
    & skf21("7","1","1","6","7","4","5","1") = "6"
    & skf21("7","1","1","6","7","4","6","1") = "6"
    & skf21("7","1","1","6","7","4","7","1") = "6"
    & skf21("7","1","1","6","7","5","1","1") = "6"
    & skf21("7","1","1","6","7","5","2","1") = "6"
    & skf21("7","1","1","6","7","5","3","1") = "6"
    & skf21("7","1","1","6","7","5","4","1") = "6"
    & skf21("7","1","1","6","7","5","5","1") = "6"
    & skf21("7","1","1","6","7","5","6","1") = "6"
    & skf21("7","1","1","6","7","5","7","1") = "6"
    & skf21("7","1","1","6","7","6","1","1") = "6"
    & skf21("7","1","1","6","7","6","2","1") = "6"
    & skf21("7","1","1","6","7","6","3","1") = "6"
    & skf21("7","1","1","6","7","6","4","1") = "6"
    & skf21("7","1","1","6","7","6","5","1") = "6"
    & skf21("7","1","1","6","7","6","6","1") = "6"
    & skf21("7","1","1","6","7","6","7","1") = "6"
    & skf21("7","1","1","6","7","7","1","1") = "6"
    & skf21("7","1","1","6","7","7","2","1") = "6"
    & skf21("7","1","1","6","7","7","3","1") = "6"
    & skf21("7","1","1","6","7","7","4","1") = "6"
    & skf21("7","1","1","6","7","7","5","1") = "6"
    & skf21("7","1","1","6","7","7","6","1") = "6"
    & skf21("7","1","1","6","7","7","7","1") = "6"
    & skf21("7","1","1","7","1","1","1","1") = "6"
    & skf21("7","1","1","7","1","1","2","1") = "6"
    & skf21("7","1","1","7","1","1","3","1") = "6"
    & skf21("7","1","1","7","1","1","4","1") = "6"
    & skf21("7","1","1","7","1","1","5","1") = "6"
    & skf21("7","1","1","7","1","1","6","1") = "6"
    & skf21("7","1","1","7","1","1","7","1") = "6"
    & skf21("7","1","1","7","1","2","1","1") = "6"
    & skf21("7","1","1","7","1","2","2","1") = "6"
    & skf21("7","1","1","7","1","2","3","1") = "6"
    & skf21("7","1","1","7","1","2","4","1") = "6"
    & skf21("7","1","1","7","1","2","5","1") = "6"
    & skf21("7","1","1","7","1","2","6","1") = "6"
    & skf21("7","1","1","7","1","2","7","1") = "6"
    & skf21("7","1","1","7","1","3","1","1") = "6"
    & skf21("7","1","1","7","1","3","2","1") = "6"
    & skf21("7","1","1","7","1","3","3","1") = "6"
    & skf21("7","1","1","7","1","3","4","1") = "6"
    & skf21("7","1","1","7","1","3","5","1") = "6"
    & skf21("7","1","1","7","1","3","6","1") = "6"
    & skf21("7","1","1","7","1","3","7","1") = "6"
    & skf21("7","1","1","7","1","4","1","1") = "6"
    & skf21("7","1","1","7","1","4","2","1") = "6"
    & skf21("7","1","1","7","1","4","3","1") = "6"
    & skf21("7","1","1","7","1","4","4","1") = "6"
    & skf21("7","1","1","7","1","4","5","1") = "6"
    & skf21("7","1","1","7","1","4","6","1") = "6"
    & skf21("7","1","1","7","1","4","7","1") = "6"
    & skf21("7","1","1","7","1","5","1","1") = "6"
    & skf21("7","1","1","7","1","5","2","1") = "6"
    & skf21("7","1","1","7","1","5","3","1") = "6"
    & skf21("7","1","1","7","1","5","4","1") = "6"
    & skf21("7","1","1","7","1","5","5","1") = "6"
    & skf21("7","1","1","7","1","5","6","1") = "6"
    & skf21("7","1","1","7","1","5","7","1") = "6"
    & skf21("7","1","1","7","1","6","1","1") = "6"
    & skf21("7","1","1","7","1","6","2","1") = "6"
    & skf21("7","1","1","7","1","6","3","1") = "6"
    & skf21("7","1","1","7","1","6","4","1") = "6"
    & skf21("7","1","1","7","1","6","5","1") = "6"
    & skf21("7","1","1","7","1","6","6","1") = "6"
    & skf21("7","1","1","7","1","6","7","1") = "6"
    & skf21("7","1","1","7","1","7","1","1") = "6"
    & skf21("7","1","1","7","1","7","2","1") = "6"
    & skf21("7","1","1","7","1","7","3","1") = "6"
    & skf21("7","1","1","7","1","7","4","1") = "6"
    & skf21("7","1","1","7","1","7","5","1") = "6"
    & skf21("7","1","1","7","1","7","6","1") = "6"
    & skf21("7","1","1","7","1","7","7","1") = "6"
    & skf21("7","1","1","7","2","1","1","1") = "6"
    & skf21("7","1","1","7","2","1","2","1") = "6"
    & skf21("7","1","1","7","2","1","3","1") = "6"
    & skf21("7","1","1","7","2","1","4","1") = "6"
    & skf21("7","1","1","7","2","1","5","1") = "6"
    & skf21("7","1","1","7","2","1","6","1") = "6"
    & skf21("7","1","1","7","2","1","7","1") = "6"
    & skf21("7","1","1","7","2","2","1","1") = "6"
    & skf21("7","1","1","7","2","2","2","1") = "6"
    & skf21("7","1","1","7","2","2","3","1") = "6"
    & skf21("7","1","1","7","2","2","4","1") = "6"
    & skf21("7","1","1","7","2","2","5","1") = "6"
    & skf21("7","1","1","7","2","2","6","1") = "6"
    & skf21("7","1","1","7","2","2","7","1") = "6"
    & skf21("7","1","1","7","2","3","1","1") = "6"
    & skf21("7","1","1","7","2","3","2","1") = "6"
    & skf21("7","1","1","7","2","3","3","1") = "6"
    & skf21("7","1","1","7","2","3","4","1") = "6"
    & skf21("7","1","1","7","2","3","5","1") = "6"
    & skf21("7","1","1","7","2","3","6","1") = "6"
    & skf21("7","1","1","7","2","3","7","1") = "6"
    & skf21("7","1","1","7","2","4","1","1") = "6"
    & skf21("7","1","1","7","2","4","2","1") = "6"
    & skf21("7","1","1","7","2","4","3","1") = "6"
    & skf21("7","1","1","7","2","4","4","1") = "6"
    & skf21("7","1","1","7","2","4","5","1") = "6"
    & skf21("7","1","1","7","2","4","6","1") = "6"
    & skf21("7","1","1","7","2","4","7","1") = "6"
    & skf21("7","1","1","7","2","5","1","1") = "6"
    & skf21("7","1","1","7","2","5","2","1") = "6"
    & skf21("7","1","1","7","2","5","3","1") = "6"
    & skf21("7","1","1","7","2","5","4","1") = "6"
    & skf21("7","1","1","7","2","5","5","1") = "6"
    & skf21("7","1","1","7","2","5","6","1") = "6"
    & skf21("7","1","1","7","2","5","7","1") = "6"
    & skf21("7","1","1","7","2","6","1","1") = "6"
    & skf21("7","1","1","7","2","6","2","1") = "6"
    & skf21("7","1","1","7","2","6","3","1") = "6"
    & skf21("7","1","1","7","2","6","4","1") = "6"
    & skf21("7","1","1","7","2","6","5","1") = "6"
    & skf21("7","1","1","7","2","6","6","1") = "6"
    & skf21("7","1","1","7","2","6","7","1") = "6"
    & skf21("7","1","1","7","2","7","1","1") = "6"
    & skf21("7","1","1","7","2","7","2","1") = "6"
    & skf21("7","1","1","7","2","7","3","1") = "6"
    & skf21("7","1","1","7","2","7","4","1") = "6"
    & skf21("7","1","1","7","2","7","5","1") = "6"
    & skf21("7","1","1","7","2","7","6","1") = "6"
    & skf21("7","1","1","7","2","7","7","1") = "6"
    & skf21("7","1","1","7","3","1","1","1") = "6"
    & skf21("7","1","1","7","3","1","2","1") = "6"
    & skf21("7","1","1","7","3","1","3","1") = "6"
    & skf21("7","1","1","7","3","1","4","1") = "6"
    & skf21("7","1","1","7","3","1","5","1") = "6"
    & skf21("7","1","1","7","3","1","6","1") = "6"
    & skf21("7","1","1","7","3","1","7","1") = "6"
    & skf21("7","1","1","7","3","2","1","1") = "6"
    & skf21("7","1","1","7","3","2","2","1") = "6"
    & skf21("7","1","1","7","3","2","3","1") = "6"
    & skf21("7","1","1","7","3","2","4","1") = "6"
    & skf21("7","1","1","7","3","2","5","1") = "6"
    & skf21("7","1","1","7","3","2","6","1") = "6"
    & skf21("7","1","1","7","3","2","7","1") = "6"
    & skf21("7","1","1","7","3","3","1","1") = "6"
    & skf21("7","1","1","7","3","3","2","1") = "6"
    & skf21("7","1","1","7","3","3","3","1") = "6"
    & skf21("7","1","1","7","3","3","4","1") = "6"
    & skf21("7","1","1","7","3","3","5","1") = "6"
    & skf21("7","1","1","7","3","3","6","1") = "6"
    & skf21("7","1","1","7","3","3","7","1") = "6"
    & skf21("7","1","1","7","3","4","1","1") = "6"
    & skf21("7","1","1","7","3","4","2","1") = "6"
    & skf21("7","1","1","7","3","4","3","1") = "6"
    & skf21("7","1","1","7","3","4","4","1") = "6"
    & skf21("7","1","1","7","3","4","5","1") = "6"
    & skf21("7","1","1","7","3","4","6","1") = "6"
    & skf21("7","1","1","7","3","4","7","1") = "6"
    & skf21("7","1","1","7","3","5","1","1") = "6"
    & skf21("7","1","1","7","3","5","2","1") = "6"
    & skf21("7","1","1","7","3","5","3","1") = "6"
    & skf21("7","1","1","7","3","5","4","1") = "6"
    & skf21("7","1","1","7","3","5","5","1") = "6"
    & skf21("7","1","1","7","3","5","6","1") = "6"
    & skf21("7","1","1","7","3","5","7","1") = "6"
    & skf21("7","1","1","7","3","6","1","1") = "6"
    & skf21("7","1","1","7","3","6","2","1") = "6"
    & skf21("7","1","1","7","3","6","3","1") = "6"
    & skf21("7","1","1","7","3","6","4","1") = "6"
    & skf21("7","1","1","7","3","6","5","1") = "6"
    & skf21("7","1","1","7","3","6","6","1") = "6"
    & skf21("7","1","1","7","3","6","7","1") = "6"
    & skf21("7","1","1","7","3","7","1","1") = "6"
    & skf21("7","1","1","7","3","7","2","1") = "6"
    & skf21("7","1","1","7","3","7","3","1") = "6"
    & skf21("7","1","1","7","3","7","4","1") = "6"
    & skf21("7","1","1","7","3","7","5","1") = "6"
    & skf21("7","1","1","7","3","7","6","1") = "6"
    & skf21("7","1","1","7","3","7","7","1") = "6"
    & skf21("7","1","1","7","4","1","1","1") = "6"
    & skf21("7","1","1","7","4","1","2","1") = "6"
    & skf21("7","1","1","7","4","1","3","1") = "6"
    & skf21("7","1","1","7","4","1","4","1") = "6"
    & skf21("7","1","1","7","4","1","5","1") = "6"
    & skf21("7","1","1","7","4","1","6","1") = "6"
    & skf21("7","1","1","7","4","1","7","1") = "6"
    & skf21("7","1","1","7","4","2","1","1") = "6"
    & skf21("7","1","1","7","4","2","2","1") = "6"
    & skf21("7","1","1","7","4","2","3","1") = "6"
    & skf21("7","1","1","7","4","2","4","1") = "6"
    & skf21("7","1","1","7","4","2","5","1") = "6"
    & skf21("7","1","1","7","4","2","6","1") = "6"
    & skf21("7","1","1","7","4","2","7","1") = "6"
    & skf21("7","1","1","7","4","3","1","1") = "6"
    & skf21("7","1","1","7","4","3","2","1") = "6"
    & skf21("7","1","1","7","4","3","3","1") = "6"
    & skf21("7","1","1","7","4","3","4","1") = "6"
    & skf21("7","1","1","7","4","3","5","1") = "6"
    & skf21("7","1","1","7","4","3","6","1") = "6"
    & skf21("7","1","1","7","4","3","7","1") = "6"
    & skf21("7","1","1","7","4","4","1","1") = "6"
    & skf21("7","1","1","7","4","4","2","1") = "6"
    & skf21("7","1","1","7","4","4","3","1") = "6"
    & skf21("7","1","1","7","4","4","4","1") = "6"
    & skf21("7","1","1","7","4","4","5","1") = "6"
    & skf21("7","1","1","7","4","4","6","1") = "6"
    & skf21("7","1","1","7","4","4","7","1") = "6"
    & skf21("7","1","1","7","4","5","1","1") = "6"
    & skf21("7","1","1","7","4","5","2","1") = "6"
    & skf21("7","1","1","7","4","5","3","1") = "6"
    & skf21("7","1","1","7","4","5","4","1") = "6"
    & skf21("7","1","1","7","4","5","5","1") = "6"
    & skf21("7","1","1","7","4","5","6","1") = "6"
    & skf21("7","1","1","7","4","5","7","1") = "6"
    & skf21("7","1","1","7","4","6","1","1") = "6"
    & skf21("7","1","1","7","4","6","2","1") = "6"
    & skf21("7","1","1","7","4","6","3","1") = "6"
    & skf21("7","1","1","7","4","6","4","1") = "6"
    & skf21("7","1","1","7","4","6","5","1") = "6"
    & skf21("7","1","1","7","4","6","6","1") = "6"
    & skf21("7","1","1","7","4","6","7","1") = "6"
    & skf21("7","1","1","7","4","7","1","1") = "6"
    & skf21("7","1","1","7","4","7","2","1") = "6"
    & skf21("7","1","1","7","4","7","3","1") = "6"
    & skf21("7","1","1","7","4","7","4","1") = "6"
    & skf21("7","1","1","7","4","7","5","1") = "6"
    & skf21("7","1","1","7","4","7","6","1") = "6"
    & skf21("7","1","1","7","4","7","7","1") = "6"
    & skf21("7","1","1","7","5","1","1","1") = "6"
    & skf21("7","1","1","7","5","1","2","1") = "6"
    & skf21("7","1","1","7","5","1","3","1") = "6"
    & skf21("7","1","1","7","5","1","4","1") = "6"
    & skf21("7","1","1","7","5","1","5","1") = "6"
    & skf21("7","1","1","7","5","1","6","1") = "6"
    & skf21("7","1","1","7","5","1","7","1") = "6"
    & skf21("7","1","1","7","5","2","1","1") = "6"
    & skf21("7","1","1","7","5","2","2","1") = "6"
    & skf21("7","1","1","7","5","2","3","1") = "6"
    & skf21("7","1","1","7","5","2","4","1") = "6"
    & skf21("7","1","1","7","5","2","5","1") = "6"
    & skf21("7","1","1","7","5","2","6","1") = "6"
    & skf21("7","1","1","7","5","2","7","1") = "6"
    & skf21("7","1","1","7","5","3","1","1") = "6"
    & skf21("7","1","1","7","5","3","2","1") = "6"
    & skf21("7","1","1","7","5","3","3","1") = "6"
    & skf21("7","1","1","7","5","3","4","1") = "6"
    & skf21("7","1","1","7","5","3","5","1") = "6"
    & skf21("7","1","1","7","5","3","6","1") = "6"
    & skf21("7","1","1","7","5","3","7","1") = "6"
    & skf21("7","1","1","7","5","4","1","1") = "6"
    & skf21("7","1","1","7","5","4","2","1") = "6"
    & skf21("7","1","1","7","5","4","3","1") = "6"
    & skf21("7","1","1","7","5","4","4","1") = "6"
    & skf21("7","1","1","7","5","4","5","1") = "6"
    & skf21("7","1","1","7","5","4","6","1") = "6"
    & skf21("7","1","1","7","5","4","7","1") = "6"
    & skf21("7","1","1","7","5","5","1","1") = "6"
    & skf21("7","1","1","7","5","5","2","1") = "6"
    & skf21("7","1","1","7","5","5","3","1") = "6"
    & skf21("7","1","1","7","5","5","4","1") = "6"
    & skf21("7","1","1","7","5","5","5","1") = "6"
    & skf21("7","1","1","7","5","5","6","1") = "6"
    & skf21("7","1","1","7","5","5","7","1") = "6"
    & skf21("7","1","1","7","5","6","1","1") = "6"
    & skf21("7","1","1","7","5","6","2","1") = "6"
    & skf21("7","1","1","7","5","6","3","1") = "6"
    & skf21("7","1","1","7","5","6","4","1") = "6"
    & skf21("7","1","1","7","5","6","5","1") = "6"
    & skf21("7","1","1","7","5","6","6","1") = "6"
    & skf21("7","1","1","7","5","6","7","1") = "6"
    & skf21("7","1","1","7","5","7","1","1") = "6"
    & skf21("7","1","1","7","5","7","2","1") = "6"
    & skf21("7","1","1","7","5","7","3","1") = "6"
    & skf21("7","1","1","7","5","7","4","1") = "6"
    & skf21("7","1","1","7","5","7","5","1") = "6"
    & skf21("7","1","1","7","5","7","6","1") = "6"
    & skf21("7","1","1","7","5","7","7","1") = "6"
    & skf21("7","1","1","7","6","1","1","1") = "6"
    & skf21("7","1","1","7","6","1","2","1") = "6"
    & skf21("7","1","1","7","6","1","3","1") = "6"
    & skf21("7","1","1","7","6","1","4","1") = "6"
    & skf21("7","1","1","7","6","1","5","1") = "6"
    & skf21("7","1","1","7","6","1","6","1") = "6"
    & skf21("7","1","1","7","6","1","7","1") = "6"
    & skf21("7","1","1","7","6","2","1","1") = "6"
    & skf21("7","1","1","7","6","2","2","1") = "6"
    & skf21("7","1","1","7","6","2","3","1") = "6"
    & skf21("7","1","1","7","6","2","4","1") = "6"
    & skf21("7","1","1","7","6","2","5","1") = "6"
    & skf21("7","1","1","7","6","2","6","1") = "6"
    & skf21("7","1","1","7","6","2","7","1") = "6"
    & skf21("7","1","1","7","6","3","1","1") = "6"
    & skf21("7","1","1","7","6","3","2","1") = "6"
    & skf21("7","1","1","7","6","3","3","1") = "6"
    & skf21("7","1","1","7","6","3","4","1") = "6"
    & skf21("7","1","1","7","6","3","5","1") = "6"
    & skf21("7","1","1","7","6","3","6","1") = "6"
    & skf21("7","1","1","7","6","3","7","1") = "6"
    & skf21("7","1","1","7","6","4","1","1") = "6"
    & skf21("7","1","1","7","6","4","2","1") = "6"
    & skf21("7","1","1","7","6","4","3","1") = "6"
    & skf21("7","1","1","7","6","4","4","1") = "6"
    & skf21("7","1","1","7","6","4","5","1") = "6"
    & skf21("7","1","1","7","6","4","6","1") = "6"
    & skf21("7","1","1","7","6","4","7","1") = "6"
    & skf21("7","1","1","7","6","5","1","1") = "6"
    & skf21("7","1","1","7","6","5","2","1") = "6"
    & skf21("7","1","1","7","6","5","3","1") = "6"
    & skf21("7","1","1","7","6","5","4","1") = "6"
    & skf21("7","1","1","7","6","5","5","1") = "6"
    & skf21("7","1","1","7","6","5","6","1") = "6"
    & skf21("7","1","1","7","6","5","7","1") = "6"
    & skf21("7","1","1","7","6","6","1","1") = "6"
    & skf21("7","1","1","7","6","6","2","1") = "6"
    & skf21("7","1","1","7","6","6","3","1") = "6"
    & skf21("7","1","1","7","6","6","4","1") = "6"
    & skf21("7","1","1","7","6","6","5","1") = "6"
    & skf21("7","1","1","7","6","6","6","1") = "6"
    & skf21("7","1","1","7","6","6","7","1") = "6"
    & skf21("7","1","1","7","6","7","1","1") = "6"
    & skf21("7","1","1","7","6","7","2","1") = "6"
    & skf21("7","1","1","7","6","7","3","1") = "6"
    & skf21("7","1","1","7","6","7","4","1") = "6"
    & skf21("7","1","1","7","6","7","5","1") = "6"
    & skf21("7","1","1","7","6","7","6","1") = "6"
    & skf21("7","1","1","7","6","7","7","1") = "6"
    & skf21("7","1","1","7","7","1","1","1") = "6"
    & skf21("7","1","1","7","7","1","2","1") = "6"
    & skf21("7","1","1","7","7","1","3","1") = "6"
    & skf21("7","1","1","7","7","1","4","1") = "6"
    & skf21("7","1","1","7","7","1","5","1") = "6"
    & skf21("7","1","1","7","7","1","6","1") = "6"
    & skf21("7","1","1","7","7","1","7","1") = "6"
    & skf21("7","1","1","7","7","2","1","1") = "6"
    & skf21("7","1","1","7","7","2","2","1") = "6"
    & skf21("7","1","1","7","7","2","3","1") = "6"
    & skf21("7","1","1","7","7","2","4","1") = "6"
    & skf21("7","1","1","7","7","2","5","1") = "6"
    & skf21("7","1","1","7","7","2","6","1") = "6"
    & skf21("7","1","1","7","7","2","7","1") = "6"
    & skf21("7","1","1","7","7","3","1","1") = "6"
    & skf21("7","1","1","7","7","3","2","1") = "6"
    & skf21("7","1","1","7","7","3","3","1") = "6"
    & skf21("7","1","1","7","7","3","4","1") = "6"
    & skf21("7","1","1","7","7","3","5","1") = "6"
    & skf21("7","1","1","7","7","3","6","1") = "6"
    & skf21("7","1","1","7","7","3","7","1") = "6"
    & skf21("7","1","1","7","7","4","1","1") = "6"
    & skf21("7","1","1","7","7","4","2","1") = "6"
    & skf21("7","1","1","7","7","4","3","1") = "6"
    & skf21("7","1","1","7","7","4","4","1") = "6"
    & skf21("7","1","1","7","7","4","5","1") = "6"
    & skf21("7","1","1","7","7","4","6","1") = "6"
    & skf21("7","1","1","7","7","4","7","1") = "6"
    & skf21("7","1","1","7","7","5","1","1") = "6"
    & skf21("7","1","1","7","7","5","2","1") = "6"
    & skf21("7","1","1","7","7","5","3","1") = "6"
    & skf21("7","1","1","7","7","5","4","1") = "6"
    & skf21("7","1","1","7","7","5","5","1") = "6"
    & skf21("7","1","1","7","7","5","6","1") = "6"
    & skf21("7","1","1","7","7","5","7","1") = "6"
    & skf21("7","1","1","7","7","6","1","1") = "6"
    & skf21("7","1","1","7","7","6","2","1") = "6"
    & skf21("7","1","1","7","7","6","3","1") = "6"
    & skf21("7","1","1","7","7","6","4","1") = "6"
    & skf21("7","1","1","7","7","6","5","1") = "6"
    & skf21("7","1","1","7","7","6","6","1") = "6"
    & skf21("7","1","1","7","7","6","7","1") = "6"
    & skf21("7","1","1","7","7","7","1","1") = "6"
    & skf21("7","1","1","7","7","7","2","1") = "6"
    & skf21("7","1","1","7","7","7","3","1") = "6"
    & skf21("7","1","1","7","7","7","4","1") = "6"
    & skf21("7","1","1","7","7","7","5","1") = "6"
    & skf21("7","1","1","7","7","7","6","1") = "6"
    & skf21("7","1","1","7","7","7","7","1") = "6"
    & skf21("7","1","2","1","1","1","1","1") = "6"
    & skf21("7","1","2","1","1","1","2","1") = "6"
    & skf21("7","1","2","1","1","1","3","1") = "6"
    & skf21("7","1","2","1","1","1","4","1") = "6"
    & skf21("7","1","2","1","1","1","5","1") = "6"
    & skf21("7","1","2","1","1","1","6","1") = "6"
    & skf21("7","1","2","1","1","1","7","1") = "6"
    & skf21("7","1","2","1","1","2","1","1") = "6"
    & skf21("7","1","2","1","1","2","2","1") = "6"
    & skf21("7","1","2","1","1","2","3","1") = "6"
    & skf21("7","1","2","1","1","2","4","1") = "6"
    & skf21("7","1","2","1","1","2","5","1") = "6"
    & skf21("7","1","2","1","1","2","6","1") = "6"
    & skf21("7","1","2","1","1","2","7","1") = "6"
    & skf21("7","1","2","1","1","3","1","1") = "6"
    & skf21("7","1","2","1","1","3","2","1") = "6"
    & skf21("7","1","2","1","1","3","3","1") = "6"
    & skf21("7","1","2","1","1","3","4","1") = "6"
    & skf21("7","1","2","1","1","3","5","1") = "6"
    & skf21("7","1","2","1","1","3","6","1") = "6"
    & skf21("7","1","2","1","1","3","7","1") = "6"
    & skf21("7","1","2","1","1","4","1","1") = "6"
    & skf21("7","1","2","1","1","4","2","1") = "6"
    & skf21("7","1","2","1","1","4","3","1") = "6"
    & skf21("7","1","2","1","1","4","4","1") = "6"
    & skf21("7","1","2","1","1","4","5","1") = "6"
    & skf21("7","1","2","1","1","4","6","1") = "6"
    & skf21("7","1","2","1","1","4","7","1") = "6"
    & skf21("7","1","2","1","1","5","1","1") = "6"
    & skf21("7","1","2","1","1","5","2","1") = "6"
    & skf21("7","1","2","1","1","5","3","1") = "6"
    & skf21("7","1","2","1","1","5","4","1") = "6"
    & skf21("7","1","2","1","1","5","5","1") = "6"
    & skf21("7","1","2","1","1","5","6","1") = "6"
    & skf21("7","1","2","1","1","5","7","1") = "6"
    & skf21("7","1","2","1","1","6","1","1") = "6"
    & skf21("7","1","2","1","1","6","2","1") = "6"
    & skf21("7","1","2","1","1","6","3","1") = "6"
    & skf21("7","1","2","1","1","6","4","1") = "6"
    & skf21("7","1","2","1","1","6","5","1") = "6"
    & skf21("7","1","2","1","1","6","6","1") = "6"
    & skf21("7","1","2","1","1","6","7","1") = "6"
    & skf21("7","1","2","1","1","7","1","1") = "6"
    & skf21("7","1","2","1","1","7","2","1") = "6"
    & skf21("7","1","2","1","1","7","3","1") = "6"
    & skf21("7","1","2","1","1","7","4","1") = "6"
    & skf21("7","1","2","1","1","7","5","1") = "6"
    & skf21("7","1","2","1","1","7","6","1") = "6"
    & skf21("7","1","2","1","1","7","7","1") = "6"
    & skf21("7","1","2","1","2","1","1","1") = "6"
    & skf21("7","1","2","1","2","1","2","1") = "6"
    & skf21("7","1","2","1","2","1","3","1") = "6"
    & skf21("7","1","2","1","2","1","4","1") = "6"
    & skf21("7","1","2","1","2","1","5","1") = "6"
    & skf21("7","1","2","1","2","1","6","1") = "6"
    & skf21("7","1","2","1","2","1","7","1") = "6"
    & skf21("7","1","2","1","2","2","1","1") = "6"
    & skf21("7","1","2","1","2","2","2","1") = "6"
    & skf21("7","1","2","1","2","2","3","1") = "6"
    & skf21("7","1","2","1","2","2","4","1") = "6"
    & skf21("7","1","2","1","2","2","5","1") = "6"
    & skf21("7","1","2","1","2","2","6","1") = "6"
    & skf21("7","1","2","1","2","2","7","1") = "6"
    & skf21("7","1","2","1","2","3","1","1") = "6"
    & skf21("7","1","2","1","2","3","2","1") = "6"
    & skf21("7","1","2","1","2","3","3","1") = "6"
    & skf21("7","1","2","1","2","3","4","1") = "6"
    & skf21("7","1","2","1","2","3","5","1") = "6"
    & skf21("7","1","2","1","2","3","6","1") = "6"
    & skf21("7","1","2","1","2","3","7","1") = "6"
    & skf21("7","1","2","1","2","4","1","1") = "6"
    & skf21("7","1","2","1","2","4","2","1") = "6"
    & skf21("7","1","2","1","2","4","3","1") = "6"
    & skf21("7","1","2","1","2","4","4","1") = "6"
    & skf21("7","1","2","1","2","4","5","1") = "6"
    & skf21("7","1","2","1","2","4","6","1") = "6"
    & skf21("7","1","2","1","2","4","7","1") = "6"
    & skf21("7","1","2","1","2","5","1","1") = "6"
    & skf21("7","1","2","1","2","5","2","1") = "6"
    & skf21("7","1","2","1","2","5","3","1") = "6"
    & skf21("7","1","2","1","2","5","4","1") = "6"
    & skf21("7","1","2","1","2","5","5","1") = "6"
    & skf21("7","1","2","1","2","5","6","1") = "6"
    & skf21("7","1","2","1","2","5","7","1") = "6"
    & skf21("7","1","2","1","2","6","1","1") = "6"
    & skf21("7","1","2","1","2","6","2","1") = "6"
    & skf21("7","1","2","1","2","6","3","1") = "6"
    & skf21("7","1","2","1","2","6","4","1") = "6"
    & skf21("7","1","2","1","2","6","5","1") = "6"
    & skf21("7","1","2","1","2","6","6","1") = "6"
    & skf21("7","1","2","1","2","6","7","1") = "6"
    & skf21("7","1","2","1","2","7","1","1") = "6"
    & skf21("7","1","2","1","2","7","2","1") = "6"
    & skf21("7","1","2","1","2","7","3","1") = "6"
    & skf21("7","1","2","1","2","7","4","1") = "6"
    & skf21("7","1","2","1","2","7","5","1") = "6"
    & skf21("7","1","2","1","2","7","6","1") = "6"
    & skf21("7","1","2","1","2","7","7","1") = "6"
    & skf21("7","1","2","1","3","1","1","1") = "6"
    & skf21("7","1","2","1","3","1","2","1") = "6"
    & skf21("7","1","2","1","3","1","3","1") = "6"
    & skf21("7","1","2","1","3","1","4","1") = "6"
    & skf21("7","1","2","1","3","1","5","1") = "6"
    & skf21("7","1","2","1","3","1","6","1") = "6"
    & skf21("7","1","2","1","3","1","7","1") = "6"
    & skf21("7","1","2","1","3","2","1","1") = "6"
    & skf21("7","1","2","1","3","2","2","1") = "6"
    & skf21("7","1","2","1","3","2","3","1") = "6"
    & skf21("7","1","2","1","3","2","4","1") = "6"
    & skf21("7","1","2","1","3","2","5","1") = "6"
    & skf21("7","1","2","1","3","2","6","1") = "6"
    & skf21("7","1","2","1","3","2","7","1") = "6"
    & skf21("7","1","2","1","3","3","1","1") = "6"
    & skf21("7","1","2","1","3","3","2","1") = "6"
    & skf21("7","1","2","1","3","3","3","1") = "6"
    & skf21("7","1","2","1","3","3","4","1") = "6"
    & skf21("7","1","2","1","3","3","5","1") = "6"
    & skf21("7","1","2","1","3","3","6","1") = "6"
    & skf21("7","1","2","1","3","3","7","1") = "6"
    & skf21("7","1","2","1","3","4","1","1") = "6"
    & skf21("7","1","2","1","3","4","2","1") = "6"
    & skf21("7","1","2","1","3","4","3","1") = "6"
    & skf21("7","1","2","1","3","4","4","1") = "6"
    & skf21("7","1","2","1","3","4","5","1") = "6"
    & skf21("7","1","2","1","3","4","6","1") = "6"
    & skf21("7","1","2","1","3","4","7","1") = "6"
    & skf21("7","1","2","1","3","5","1","1") = "6"
    & skf21("7","1","2","1","3","5","2","1") = "6"
    & skf21("7","1","2","1","3","5","3","1") = "6"
    & skf21("7","1","2","1","3","5","4","1") = "6"
    & skf21("7","1","2","1","3","5","5","1") = "6"
    & skf21("7","1","2","1","3","5","6","1") = "6"
    & skf21("7","1","2","1","3","5","7","1") = "6"
    & skf21("7","1","2","1","3","6","1","1") = "6"
    & skf21("7","1","2","1","3","6","2","1") = "6"
    & skf21("7","1","2","1","3","6","3","1") = "6"
    & skf21("7","1","2","1","3","6","4","1") = "6"
    & skf21("7","1","2","1","3","6","5","1") = "6"
    & skf21("7","1","2","1","3","6","6","1") = "6"
    & skf21("7","1","2","1","3","6","7","1") = "6"
    & skf21("7","1","2","1","3","7","1","1") = "6"
    & skf21("7","1","2","1","3","7","2","1") = "6"
    & skf21("7","1","2","1","3","7","3","1") = "6"
    & skf21("7","1","2","1","3","7","4","1") = "6"
    & skf21("7","1","2","1","3","7","5","1") = "6"
    & skf21("7","1","2","1","3","7","6","1") = "6"
    & skf21("7","1","2","1","3","7","7","1") = "6"
    & skf21("7","1","2","1","4","1","1","1") = "6"
    & skf21("7","1","2","1","4","1","2","1") = "6"
    & skf21("7","1","2","1","4","1","3","1") = "6"
    & skf21("7","1","2","1","4","1","4","1") = "6"
    & skf21("7","1","2","1","4","1","5","1") = "6"
    & skf21("7","1","2","1","4","1","6","1") = "6"
    & skf21("7","1","2","1","4","1","7","1") = "6"
    & skf21("7","1","2","1","4","2","1","1") = "6"
    & skf21("7","1","2","1","4","2","2","1") = "6"
    & skf21("7","1","2","1","4","2","3","1") = "6"
    & skf21("7","1","2","1","4","2","4","1") = "6"
    & skf21("7","1","2","1","4","2","5","1") = "6"
    & skf21("7","1","2","1","4","2","6","1") = "6"
    & skf21("7","1","2","1","4","2","7","1") = "6"
    & skf21("7","1","2","1","4","3","1","1") = "6"
    & skf21("7","1","2","1","4","3","2","1") = "6"
    & skf21("7","1","2","1","4","3","3","1") = "6"
    & skf21("7","1","2","1","4","3","4","1") = "6"
    & skf21("7","1","2","1","4","3","5","1") = "6"
    & skf21("7","1","2","1","4","3","6","1") = "6"
    & skf21("7","1","2","1","4","3","7","1") = "6"
    & skf21("7","1","2","1","4","4","1","1") = "6"
    & skf21("7","1","2","1","4","4","2","1") = "6"
    & skf21("7","1","2","1","4","4","3","1") = "6"
    & skf21("7","1","2","1","4","4","4","1") = "6"
    & skf21("7","1","2","1","4","4","5","1") = "6"
    & skf21("7","1","2","1","4","4","6","1") = "6"
    & skf21("7","1","2","1","4","4","7","1") = "6"
    & skf21("7","1","2","1","4","5","1","1") = "6"
    & skf21("7","1","2","1","4","5","2","1") = "6"
    & skf21("7","1","2","1","4","5","3","1") = "6"
    & skf21("7","1","2","1","4","5","4","1") = "6"
    & skf21("7","1","2","1","4","5","5","1") = "6"
    & skf21("7","1","2","1","4","5","6","1") = "6"
    & skf21("7","1","2","1","4","5","7","1") = "6"
    & skf21("7","1","2","1","4","6","1","1") = "6"
    & skf21("7","1","2","1","4","6","2","1") = "6"
    & skf21("7","1","2","1","4","6","3","1") = "6"
    & skf21("7","1","2","1","4","6","4","1") = "6"
    & skf21("7","1","2","1","4","6","5","1") = "6"
    & skf21("7","1","2","1","4","6","6","1") = "6"
    & skf21("7","1","2","1","4","6","7","1") = "6"
    & skf21("7","1","2","1","4","7","1","1") = "6"
    & skf21("7","1","2","1","4","7","2","1") = "6"
    & skf21("7","1","2","1","4","7","3","1") = "6"
    & skf21("7","1","2","1","4","7","4","1") = "6"
    & skf21("7","1","2","1","4","7","5","1") = "6"
    & skf21("7","1","2","1","4","7","6","1") = "6"
    & skf21("7","1","2","1","4","7","7","1") = "6"
    & skf21("7","1","2","1","5","1","1","1") = "6"
    & skf21("7","1","2","1","5","1","2","1") = "6"
    & skf21("7","1","2","1","5","1","3","1") = "6"
    & skf21("7","1","2","1","5","1","4","1") = "6"
    & skf21("7","1","2","1","5","1","5","1") = "6"
    & skf21("7","1","2","1","5","1","6","1") = "6"
    & skf21("7","1","2","1","5","1","7","1") = "6"
    & skf21("7","1","2","1","5","2","1","1") = "6"
    & skf21("7","1","2","1","5","2","2","1") = "6"
    & skf21("7","1","2","1","5","2","3","1") = "6"
    & skf21("7","1","2","1","5","2","4","1") = "6"
    & skf21("7","1","2","1","5","2","5","1") = "6"
    & skf21("7","1","2","1","5","2","6","1") = "6"
    & skf21("7","1","2","1","5","2","7","1") = "6"
    & skf21("7","1","2","1","5","3","1","1") = "6"
    & skf21("7","1","2","1","5","3","2","1") = "6"
    & skf21("7","1","2","1","5","3","3","1") = "6"
    & skf21("7","1","2","1","5","3","4","1") = "6"
    & skf21("7","1","2","1","5","3","5","1") = "6"
    & skf21("7","1","2","1","5","3","6","1") = "6"
    & skf21("7","1","2","1","5","3","7","1") = "6"
    & skf21("7","1","2","1","5","4","1","1") = "6"
    & skf21("7","1","2","1","5","4","2","1") = "6"
    & skf21("7","1","2","1","5","4","3","1") = "6"
    & skf21("7","1","2","1","5","4","4","1") = "6"
    & skf21("7","1","2","1","5","4","5","1") = "6"
    & skf21("7","1","2","1","5","4","6","1") = "6"
    & skf21("7","1","2","1","5","4","7","1") = "6"
    & skf21("7","1","2","1","5","5","1","1") = "6"
    & skf21("7","1","2","1","5","5","2","1") = "6"
    & skf21("7","1","2","1","5","5","3","1") = "6"
    & skf21("7","1","2","1","5","5","4","1") = "6"
    & skf21("7","1","2","1","5","5","5","1") = "6"
    & skf21("7","1","2","1","5","5","6","1") = "6"
    & skf21("7","1","2","1","5","5","7","1") = "6"
    & skf21("7","1","2","1","5","6","1","1") = "6"
    & skf21("7","1","2","1","5","6","2","1") = "6"
    & skf21("7","1","2","1","5","6","3","1") = "6"
    & skf21("7","1","2","1","5","6","4","1") = "6"
    & skf21("7","1","2","1","5","6","5","1") = "6"
    & skf21("7","1","2","1","5","6","6","1") = "6"
    & skf21("7","1","2","1","5","6","7","1") = "6"
    & skf21("7","1","2","1","5","7","1","1") = "6"
    & skf21("7","1","2","1","5","7","2","1") = "6"
    & skf21("7","1","2","1","5","7","3","1") = "6"
    & skf21("7","1","2","1","5","7","4","1") = "6"
    & skf21("7","1","2","1","5","7","5","1") = "6"
    & skf21("7","1","2","1","5","7","6","1") = "6"
    & skf21("7","1","2","1","5","7","7","1") = "6"
    & skf21("7","1","2","1","6","1","1","1") = "6"
    & skf21("7","1","2","1","6","1","2","1") = "6"
    & skf21("7","1","2","1","6","1","3","1") = "6"
    & skf21("7","1","2","1","6","1","4","1") = "6"
    & skf21("7","1","2","1","6","1","5","1") = "6"
    & skf21("7","1","2","1","6","1","6","1") = "6"
    & skf21("7","1","2","1","6","1","7","1") = "6"
    & skf21("7","1","2","1","6","2","1","1") = "6"
    & skf21("7","1","2","1","6","2","2","1") = "6"
    & skf21("7","1","2","1","6","2","3","1") = "6"
    & skf21("7","1","2","1","6","2","4","1") = "6"
    & skf21("7","1","2","1","6","2","5","1") = "6"
    & skf21("7","1","2","1","6","2","6","1") = "6"
    & skf21("7","1","2","1","6","2","7","1") = "6"
    & skf21("7","1","2","1","6","3","1","1") = "6"
    & skf21("7","1","2","1","6","3","2","1") = "6"
    & skf21("7","1","2","1","6","3","3","1") = "6"
    & skf21("7","1","2","1","6","3","4","1") = "6"
    & skf21("7","1","2","1","6","3","5","1") = "6"
    & skf21("7","1","2","1","6","3","6","1") = "6"
    & skf21("7","1","2","1","6","3","7","1") = "6"
    & skf21("7","1","2","1","6","4","1","1") = "6"
    & skf21("7","1","2","1","6","4","2","1") = "6"
    & skf21("7","1","2","1","6","4","3","1") = "6"
    & skf21("7","1","2","1","6","4","4","1") = "6"
    & skf21("7","1","2","1","6","4","5","1") = "6"
    & skf21("7","1","2","1","6","4","6","1") = "6"
    & skf21("7","1","2","1","6","4","7","1") = "6"
    & skf21("7","1","2","1","6","5","1","1") = "6"
    & skf21("7","1","2","1","6","5","2","1") = "6"
    & skf21("7","1","2","1","6","5","3","1") = "6"
    & skf21("7","1","2","1","6","5","4","1") = "6"
    & skf21("7","1","2","1","6","5","5","1") = "6"
    & skf21("7","1","2","1","6","5","6","1") = "6"
    & skf21("7","1","2","1","6","5","7","1") = "6"
    & skf21("7","1","2","1","6","6","1","1") = "6"
    & skf21("7","1","2","1","6","6","2","1") = "6"
    & skf21("7","1","2","1","6","6","3","1") = "6"
    & skf21("7","1","2","1","6","6","4","1") = "6"
    & skf21("7","1","2","1","6","6","5","1") = "6"
    & skf21("7","1","2","1","6","6","6","1") = "6"
    & skf21("7","1","2","1","6","6","7","1") = "6"
    & skf21("7","1","2","1","6","7","1","1") = "6"
    & skf21("7","1","2","1","6","7","2","1") = "6"
    & skf21("7","1","2","1","6","7","3","1") = "6"
    & skf21("7","1","2","1","6","7","4","1") = "6"
    & skf21("7","1","2","1","6","7","5","1") = "6"
    & skf21("7","1","2","1","6","7","6","1") = "6"
    & skf21("7","1","2","1","6","7","7","1") = "6"
    & skf21("7","1","2","1","7","1","1","1") = "6"
    & skf21("7","1","2","1","7","1","2","1") = "6"
    & skf21("7","1","2","1","7","1","3","1") = "6"
    & skf21("7","1","2","1","7","1","4","1") = "6"
    & skf21("7","1","2","1","7","1","5","1") = "6"
    & skf21("7","1","2","1","7","1","6","1") = "6"
    & skf21("7","1","2","1","7","1","7","1") = "6"
    & skf21("7","1","2","1","7","2","1","1") = "6"
    & skf21("7","1","2","1","7","2","2","1") = "6"
    & skf21("7","1","2","1","7","2","3","1") = "6"
    & skf21("7","1","2","1","7","2","4","1") = "6"
    & skf21("7","1","2","1","7","2","5","1") = "6"
    & skf21("7","1","2","1","7","2","6","1") = "6"
    & skf21("7","1","2","1","7","2","7","1") = "6"
    & skf21("7","1","2","1","7","3","1","1") = "6"
    & skf21("7","1","2","1","7","3","2","1") = "6"
    & skf21("7","1","2","1","7","3","3","1") = "6"
    & skf21("7","1","2","1","7","3","4","1") = "6"
    & skf21("7","1","2","1","7","3","5","1") = "6"
    & skf21("7","1","2","1","7","3","6","1") = "6"
    & skf21("7","1","2","1","7","3","7","1") = "6"
    & skf21("7","1","2","1","7","4","1","1") = "6"
    & skf21("7","1","2","1","7","4","2","1") = "6"
    & skf21("7","1","2","1","7","4","3","1") = "6"
    & skf21("7","1","2","1","7","4","4","1") = "6"
    & skf21("7","1","2","1","7","4","5","1") = "6"
    & skf21("7","1","2","1","7","4","6","1") = "6"
    & skf21("7","1","2","1","7","4","7","1") = "6"
    & skf21("7","1","2","1","7","5","1","1") = "6"
    & skf21("7","1","2","1","7","5","2","1") = "6"
    & skf21("7","1","2","1","7","5","3","1") = "6"
    & skf21("7","1","2","1","7","5","4","1") = "6"
    & skf21("7","1","2","1","7","5","5","1") = "6"
    & skf21("7","1","2","1","7","5","6","1") = "6"
    & skf21("7","1","2","1","7","5","7","1") = "6"
    & skf21("7","1","2","1","7","6","1","1") = "6"
    & skf21("7","1","2","1","7","6","2","1") = "6"
    & skf21("7","1","2","1","7","6","3","1") = "6"
    & skf21("7","1","2","1","7","6","4","1") = "6"
    & skf21("7","1","2","1","7","6","5","1") = "6"
    & skf21("7","1","2","1","7","6","6","1") = "6"
    & skf21("7","1","2","1","7","6","7","1") = "6"
    & skf21("7","1","2","1","7","7","1","1") = "6"
    & skf21("7","1","2","1","7","7","2","1") = "6"
    & skf21("7","1","2","1","7","7","3","1") = "6"
    & skf21("7","1","2","1","7","7","4","1") = "6"
    & skf21("7","1","2","1","7","7","5","1") = "6"
    & skf21("7","1","2","1","7","7","6","1") = "6"
    & skf21("7","1","2","1","7","7","7","1") = "6"
    & skf21("7","1","2","2","1","1","1","1") = "6"
    & skf21("7","1","2","2","1","1","2","1") = "6"
    & skf21("7","1","2","2","1","1","3","1") = "6"
    & skf21("7","1","2","2","1","1","4","1") = "6"
    & skf21("7","1","2","2","1","1","5","1") = "6"
    & skf21("7","1","2","2","1","1","6","1") = "6"
    & skf21("7","1","2","2","1","1","7","1") = "6"
    & skf21("7","1","2","2","1","2","1","1") = "6"
    & skf21("7","1","2","2","1","2","2","1") = "6"
    & skf21("7","1","2","2","1","2","3","1") = "6"
    & skf21("7","1","2","2","1","2","4","1") = "6"
    & skf21("7","1","2","2","1","2","5","1") = "6"
    & skf21("7","1","2","2","1","2","6","1") = "6"
    & skf21("7","1","2","2","1","2","7","1") = "6"
    & skf21("7","1","2","2","1","3","1","1") = "6"
    & skf21("7","1","2","2","1","3","2","1") = "6"
    & skf21("7","1","2","2","1","3","3","1") = "6"
    & skf21("7","1","2","2","1","3","4","1") = "6"
    & skf21("7","1","2","2","1","3","5","1") = "6"
    & skf21("7","1","2","2","1","3","6","1") = "6"
    & skf21("7","1","2","2","1","3","7","1") = "6"
    & skf21("7","1","2","2","1","4","1","1") = "6"
    & skf21("7","1","2","2","1","4","2","1") = "6"
    & skf21("7","1","2","2","1","4","3","1") = "6"
    & skf21("7","1","2","2","1","4","4","1") = "6"
    & skf21("7","1","2","2","1","4","5","1") = "6"
    & skf21("7","1","2","2","1","4","6","1") = "6"
    & skf21("7","1","2","2","1","4","7","1") = "6"
    & skf21("7","1","2","2","1","5","1","1") = "6"
    & skf21("7","1","2","2","1","5","2","1") = "6"
    & skf21("7","1","2","2","1","5","3","1") = "6"
    & skf21("7","1","2","2","1","5","4","1") = "6"
    & skf21("7","1","2","2","1","5","5","1") = "6"
    & skf21("7","1","2","2","1","5","6","1") = "6"
    & skf21("7","1","2","2","1","5","7","1") = "6"
    & skf21("7","1","2","2","1","6","1","1") = "6"
    & skf21("7","1","2","2","1","6","2","1") = "6"
    & skf21("7","1","2","2","1","6","3","1") = "6"
    & skf21("7","1","2","2","1","6","4","1") = "6"
    & skf21("7","1","2","2","1","6","5","1") = "6"
    & skf21("7","1","2","2","1","6","6","1") = "6"
    & skf21("7","1","2","2","1","6","7","1") = "6"
    & skf21("7","1","2","2","1","7","1","1") = "6"
    & skf21("7","1","2","2","1","7","2","1") = "6"
    & skf21("7","1","2","2","1","7","3","1") = "6"
    & skf21("7","1","2","2","1","7","4","1") = "6"
    & skf21("7","1","2","2","1","7","5","1") = "6"
    & skf21("7","1","2","2","1","7","6","1") = "6"
    & skf21("7","1","2","2","1","7","7","1") = "6"
    & skf21("7","1","2","2","2","1","1","1") = "6"
    & skf21("7","1","2","2","2","1","2","1") = "6"
    & skf21("7","1","2","2","2","1","3","1") = "6"
    & skf21("7","1","2","2","2","1","4","1") = "6"
    & skf21("7","1","2","2","2","1","5","1") = "6"
    & skf21("7","1","2","2","2","1","6","1") = "6"
    & skf21("7","1","2","2","2","1","7","1") = "6"
    & skf21("7","1","2","2","2","2","1","1") = "6"
    & skf21("7","1","2","2","2","2","2","1") = "6"
    & skf21("7","1","2","2","2","2","3","1") = "6"
    & skf21("7","1","2","2","2","2","4","1") = "6"
    & skf21("7","1","2","2","2","2","5","1") = "6"
    & skf21("7","1","2","2","2","2","6","1") = "6"
    & skf21("7","1","2","2","2","2","7","1") = "6"
    & skf21("7","1","2","2","2","3","1","1") = "6"
    & skf21("7","1","2","2","2","3","2","1") = "6"
    & skf21("7","1","2","2","2","3","3","1") = "6"
    & skf21("7","1","2","2","2","3","4","1") = "6"
    & skf21("7","1","2","2","2","3","5","1") = "6"
    & skf21("7","1","2","2","2","3","6","1") = "6"
    & skf21("7","1","2","2","2","3","7","1") = "6"
    & skf21("7","1","2","2","2","4","1","1") = "6"
    & skf21("7","1","2","2","2","4","2","1") = "6"
    & skf21("7","1","2","2","2","4","3","1") = "6"
    & skf21("7","1","2","2","2","4","4","1") = "6"
    & skf21("7","1","2","2","2","4","5","1") = "6"
    & skf21("7","1","2","2","2","4","6","1") = "6"
    & skf21("7","1","2","2","2","4","7","1") = "6"
    & skf21("7","1","2","2","2","5","1","1") = "6"
    & skf21("7","1","2","2","2","5","2","1") = "6"
    & skf21("7","1","2","2","2","5","3","1") = "6"
    & skf21("7","1","2","2","2","5","4","1") = "6"
    & skf21("7","1","2","2","2","5","5","1") = "6"
    & skf21("7","1","2","2","2","5","6","1") = "6"
    & skf21("7","1","2","2","2","5","7","1") = "6"
    & skf21("7","1","2","2","2","6","1","1") = "6"
    & skf21("7","1","2","2","2","6","2","1") = "6"
    & skf21("7","1","2","2","2","6","3","1") = "6"
    & skf21("7","1","2","2","2","6","4","1") = "6"
    & skf21("7","1","2","2","2","6","5","1") = "6"
    & skf21("7","1","2","2","2","6","6","1") = "6"
    & skf21("7","1","2","2","2","6","7","1") = "6"
    & skf21("7","1","2","2","2","7","1","1") = "6"
    & skf21("7","1","2","2","2","7","2","1") = "6"
    & skf21("7","1","2","2","2","7","3","1") = "6"
    & skf21("7","1","2","2","2","7","4","1") = "6"
    & skf21("7","1","2","2","2","7","5","1") = "6"
    & skf21("7","1","2","2","2","7","6","1") = "6"
    & skf21("7","1","2","2","2","7","7","1") = "6"
    & skf21("7","1","2","2","3","1","1","1") = "6"
    & skf21("7","1","2","2","3","1","2","1") = "6"
    & skf21("7","1","2","2","3","1","3","1") = "6"
    & skf21("7","1","2","2","3","1","4","1") = "6"
    & skf21("7","1","2","2","3","1","5","1") = "6"
    & skf21("7","1","2","2","3","1","6","1") = "6"
    & skf21("7","1","2","2","3","1","7","1") = "6"
    & skf21("7","1","2","2","3","2","1","1") = "6"
    & skf21("7","1","2","2","3","2","2","1") = "6"
    & skf21("7","1","2","2","3","2","3","1") = "6"
    & skf21("7","1","2","2","3","2","4","1") = "6"
    & skf21("7","1","2","2","3","2","5","1") = "6"
    & skf21("7","1","2","2","3","2","6","1") = "6"
    & skf21("7","1","2","2","3","2","7","1") = "6"
    & skf21("7","1","2","2","3","3","1","1") = "6"
    & skf21("7","1","2","2","3","3","2","1") = "6"
    & skf21("7","1","2","2","3","3","3","1") = "6"
    & skf21("7","1","2","2","3","3","4","1") = "6"
    & skf21("7","1","2","2","3","3","5","1") = "6"
    & skf21("7","1","2","2","3","3","6","1") = "6"
    & skf21("7","1","2","2","3","3","7","1") = "6"
    & skf21("7","1","2","2","3","4","1","1") = "6"
    & skf21("7","1","2","2","3","4","2","1") = "6"
    & skf21("7","1","2","2","3","4","3","1") = "6"
    & skf21("7","1","2","2","3","4","4","1") = "6"
    & skf21("7","1","2","2","3","4","5","1") = "6"
    & skf21("7","1","2","2","3","4","6","1") = "6"
    & skf21("7","1","2","2","3","4","7","1") = "6"
    & skf21("7","1","2","2","3","5","1","1") = "6"
    & skf21("7","1","2","2","3","5","2","1") = "6"
    & skf21("7","1","2","2","3","5","3","1") = "6"
    & skf21("7","1","2","2","3","5","4","1") = "6"
    & skf21("7","1","2","2","3","5","5","1") = "6"
    & skf21("7","1","2","2","3","5","6","1") = "6"
    & skf21("7","1","2","2","3","5","7","1") = "6"
    & skf21("7","1","2","2","3","6","1","1") = "6"
    & skf21("7","1","2","2","3","6","2","1") = "6"
    & skf21("7","1","2","2","3","6","3","1") = "6"
    & skf21("7","1","2","2","3","6","4","1") = "6"
    & skf21("7","1","2","2","3","6","5","1") = "6"
    & skf21("7","1","2","2","3","6","6","1") = "6"
    & skf21("7","1","2","2","3","6","7","1") = "6"
    & skf21("7","1","2","2","3","7","1","1") = "6"
    & skf21("7","1","2","2","3","7","2","1") = "6"
    & skf21("7","1","2","2","3","7","3","1") = "6"
    & skf21("7","1","2","2","3","7","4","1") = "6"
    & skf21("7","1","2","2","3","7","5","1") = "6"
    & skf21("7","1","2","2","3","7","6","1") = "6"
    & skf21("7","1","2","2","3","7","7","1") = "6"
    & skf21("7","1","2","2","4","1","1","1") = "6"
    & skf21("7","1","2","2","4","1","2","1") = "6"
    & skf21("7","1","2","2","4","1","3","1") = "6"
    & skf21("7","1","2","2","4","1","4","1") = "6"
    & skf21("7","1","2","2","4","1","5","1") = "6"
    & skf21("7","1","2","2","4","1","6","1") = "6"
    & skf21("7","1","2","2","4","1","7","1") = "6"
    & skf21("7","1","2","2","4","2","1","1") = "6"
    & skf21("7","1","2","2","4","2","2","1") = "6"
    & skf21("7","1","2","2","4","2","3","1") = "6"
    & skf21("7","1","2","2","4","2","4","1") = "6"
    & skf21("7","1","2","2","4","2","5","1") = "6"
    & skf21("7","1","2","2","4","2","6","1") = "6"
    & skf21("7","1","2","2","4","2","7","1") = "6"
    & skf21("7","1","2","2","4","3","1","1") = "6"
    & skf21("7","1","2","2","4","3","2","1") = "6"
    & skf21("7","1","2","2","4","3","3","1") = "6"
    & skf21("7","1","2","2","4","3","4","1") = "6"
    & skf21("7","1","2","2","4","3","5","1") = "6"
    & skf21("7","1","2","2","4","3","6","1") = "6"
    & skf21("7","1","2","2","4","3","7","1") = "6"
    & skf21("7","1","2","2","4","4","1","1") = "6"
    & skf21("7","1","2","2","4","4","2","1") = "6"
    & skf21("7","1","2","2","4","4","3","1") = "6"
    & skf21("7","1","2","2","4","4","4","1") = "6"
    & skf21("7","1","2","2","4","4","5","1") = "6"
    & skf21("7","1","2","2","4","4","6","1") = "6"
    & skf21("7","1","2","2","4","4","7","1") = "6"
    & skf21("7","1","2","2","4","5","1","1") = "6"
    & skf21("7","1","2","2","4","5","2","1") = "6"
    & skf21("7","1","2","2","4","5","3","1") = "6"
    & skf21("7","1","2","2","4","5","4","1") = "6"
    & skf21("7","1","2","2","4","5","5","1") = "6"
    & skf21("7","1","2","2","4","5","6","1") = "6"
    & skf21("7","1","2","2","4","5","7","1") = "6"
    & skf21("7","1","2","2","4","6","1","1") = "6"
    & skf21("7","1","2","2","4","6","2","1") = "6"
    & skf21("7","1","2","2","4","6","3","1") = "6"
    & skf21("7","1","2","2","4","6","4","1") = "6"
    & skf21("7","1","2","2","4","6","5","1") = "6"
    & skf21("7","1","2","2","4","6","6","1") = "6"
    & skf21("7","1","2","2","4","6","7","1") = "6"
    & skf21("7","1","2","2","4","7","1","1") = "6"
    & skf21("7","1","2","2","4","7","2","1") = "6"
    & skf21("7","1","2","2","4","7","3","1") = "6"
    & skf21("7","1","2","2","4","7","4","1") = "6"
    & skf21("7","1","2","2","4","7","5","1") = "6"
    & skf21("7","1","2","2","4","7","6","1") = "6"
    & skf21("7","1","2","2","4","7","7","1") = "6"
    & skf21("7","1","2","2","5","1","1","1") = "6"
    & skf21("7","1","2","2","5","1","2","1") = "6"
    & skf21("7","1","2","2","5","1","3","1") = "6"
    & skf21("7","1","2","2","5","1","4","1") = "6"
    & skf21("7","1","2","2","5","1","5","1") = "6"
    & skf21("7","1","2","2","5","1","6","1") = "6"
    & skf21("7","1","2","2","5","1","7","1") = "6"
    & skf21("7","1","2","2","5","2","1","1") = "6"
    & skf21("7","1","2","2","5","2","2","1") = "6"
    & skf21("7","1","2","2","5","2","3","1") = "6"
    & skf21("7","1","2","2","5","2","4","1") = "6"
    & skf21("7","1","2","2","5","2","5","1") = "6"
    & skf21("7","1","2","2","5","2","6","1") = "6"
    & skf21("7","1","2","2","5","2","7","1") = "6"
    & skf21("7","1","2","2","5","3","1","1") = "6"
    & skf21("7","1","2","2","5","3","2","1") = "6"
    & skf21("7","1","2","2","5","3","3","1") = "6"
    & skf21("7","1","2","2","5","3","4","1") = "6"
    & skf21("7","1","2","2","5","3","5","1") = "6"
    & skf21("7","1","2","2","5","3","6","1") = "6"
    & skf21("7","1","2","2","5","3","7","1") = "6"
    & skf21("7","1","2","2","5","4","1","1") = "6"
    & skf21("7","1","2","2","5","4","2","1") = "6"
    & skf21("7","1","2","2","5","4","3","1") = "6"
    & skf21("7","1","2","2","5","4","4","1") = "6"
    & skf21("7","1","2","2","5","4","5","1") = "6"
    & skf21("7","1","2","2","5","4","6","1") = "6"
    & skf21("7","1","2","2","5","4","7","1") = "6"
    & skf21("7","1","2","2","5","5","1","1") = "6"
    & skf21("7","1","2","2","5","5","2","1") = "6"
    & skf21("7","1","2","2","5","5","3","1") = "6"
    & skf21("7","1","2","2","5","5","4","1") = "6"
    & skf21("7","1","2","2","5","5","5","1") = "6"
    & skf21("7","1","2","2","5","5","6","1") = "6"
    & skf21("7","1","2","2","5","5","7","1") = "6"
    & skf21("7","1","2","2","5","6","1","1") = "6"
    & skf21("7","1","2","2","5","6","2","1") = "6"
    & skf21("7","1","2","2","5","6","3","1") = "6"
    & skf21("7","1","2","2","5","6","4","1") = "6"
    & skf21("7","1","2","2","5","6","5","1") = "6"
    & skf21("7","1","2","2","5","6","6","1") = "6"
    & skf21("7","1","2","2","5","6","7","1") = "6"
    & skf21("7","1","2","2","5","7","1","1") = "6"
    & skf21("7","1","2","2","5","7","2","1") = "6"
    & skf21("7","1","2","2","5","7","3","1") = "6"
    & skf21("7","1","2","2","5","7","4","1") = "6"
    & skf21("7","1","2","2","5","7","5","1") = "6"
    & skf21("7","1","2","2","5","7","6","1") = "6"
    & skf21("7","1","2","2","5","7","7","1") = "6"
    & skf21("7","1","2","2","6","1","1","1") = "6"
    & skf21("7","1","2","2","6","1","2","1") = "6"
    & skf21("7","1","2","2","6","1","3","1") = "6"
    & skf21("7","1","2","2","6","1","4","1") = "6"
    & skf21("7","1","2","2","6","1","5","1") = "6"
    & skf21("7","1","2","2","6","1","6","1") = "6"
    & skf21("7","1","2","2","6","1","7","1") = "6"
    & skf21("7","1","2","2","6","2","1","1") = "6"
    & skf21("7","1","2","2","6","2","2","1") = "6"
    & skf21("7","1","2","2","6","2","3","1") = "6"
    & skf21("7","1","2","2","6","2","4","1") = "6"
    & skf21("7","1","2","2","6","2","5","1") = "6"
    & skf21("7","1","2","2","6","2","6","1") = "6"
    & skf21("7","1","2","2","6","2","7","1") = "6"
    & skf21("7","1","2","2","6","3","1","1") = "6"
    & skf21("7","1","2","2","6","3","2","1") = "6"
    & skf21("7","1","2","2","6","3","3","1") = "6"
    & skf21("7","1","2","2","6","3","4","1") = "6"
    & skf21("7","1","2","2","6","3","5","1") = "6"
    & skf21("7","1","2","2","6","3","6","1") = "6"
    & skf21("7","1","2","2","6","3","7","1") = "6"
    & skf21("7","1","2","2","6","4","1","1") = "6"
    & skf21("7","1","2","2","6","4","2","1") = "6"
    & skf21("7","1","2","2","6","4","3","1") = "6"
    & skf21("7","1","2","2","6","4","4","1") = "6"
    & skf21("7","1","2","2","6","4","5","1") = "6"
    & skf21("7","1","2","2","6","4","6","1") = "6"
    & skf21("7","1","2","2","6","4","7","1") = "6"
    & skf21("7","1","2","2","6","5","1","1") = "6"
    & skf21("7","1","2","2","6","5","2","1") = "6"
    & skf21("7","1","2","2","6","5","3","1") = "6"
    & skf21("7","1","2","2","6","5","4","1") = "6"
    & skf21("7","1","2","2","6","5","5","1") = "6"
    & skf21("7","1","2","2","6","5","6","1") = "6"
    & skf21("7","1","2","2","6","5","7","1") = "6"
    & skf21("7","1","2","2","6","6","1","1") = "6"
    & skf21("7","1","2","2","6","6","2","1") = "6"
    & skf21("7","1","2","2","6","6","3","1") = "6"
    & skf21("7","1","2","2","6","6","4","1") = "6"
    & skf21("7","1","2","2","6","6","5","1") = "6"
    & skf21("7","1","2","2","6","6","6","1") = "6"
    & skf21("7","1","2","2","6","6","7","1") = "6"
    & skf21("7","1","2","2","6","7","1","1") = "6"
    & skf21("7","1","2","2","6","7","2","1") = "6"
    & skf21("7","1","2","2","6","7","3","1") = "6"
    & skf21("7","1","2","2","6","7","4","1") = "6"
    & skf21("7","1","2","2","6","7","5","1") = "6"
    & skf21("7","1","2","2","6","7","6","1") = "6"
    & skf21("7","1","2","2","6","7","7","1") = "6"
    & skf21("7","1","2","2","7","1","1","1") = "6"
    & skf21("7","1","2","2","7","1","2","1") = "6"
    & skf21("7","1","2","2","7","1","3","1") = "6"
    & skf21("7","1","2","2","7","1","4","1") = "6"
    & skf21("7","1","2","2","7","1","5","1") = "6"
    & skf21("7","1","2","2","7","1","6","1") = "6"
    & skf21("7","1","2","2","7","1","7","1") = "6"
    & skf21("7","1","2","2","7","2","1","1") = "6"
    & skf21("7","1","2","2","7","2","2","1") = "6"
    & skf21("7","1","2","2","7","2","3","1") = "6"
    & skf21("7","1","2","2","7","2","4","1") = "6"
    & skf21("7","1","2","2","7","2","5","1") = "6"
    & skf21("7","1","2","2","7","2","6","1") = "6"
    & skf21("7","1","2","2","7","2","7","1") = "6"
    & skf21("7","1","2","2","7","3","1","1") = "6"
    & skf21("7","1","2","2","7","3","2","1") = "6"
    & skf21("7","1","2","2","7","3","3","1") = "6"
    & skf21("7","1","2","2","7","3","4","1") = "6"
    & skf21("7","1","2","2","7","3","5","1") = "6"
    & skf21("7","1","2","2","7","3","6","1") = "6"
    & skf21("7","1","2","2","7","3","7","1") = "6"
    & skf21("7","1","2","2","7","4","1","1") = "6"
    & skf21("7","1","2","2","7","4","2","1") = "6"
    & skf21("7","1","2","2","7","4","3","1") = "6"
    & skf21("7","1","2","2","7","4","4","1") = "6"
    & skf21("7","1","2","2","7","4","5","1") = "6"
    & skf21("7","1","2","2","7","4","6","1") = "6"
    & skf21("7","1","2","2","7","4","7","1") = "6"
    & skf21("7","1","2","2","7","5","1","1") = "6"
    & skf21("7","1","2","2","7","5","2","1") = "6"
    & skf21("7","1","2","2","7","5","3","1") = "6"
    & skf21("7","1","2","2","7","5","4","1") = "6"
    & skf21("7","1","2","2","7","5","5","1") = "6"
    & skf21("7","1","2","2","7","5","6","1") = "6"
    & skf21("7","1","2","2","7","5","7","1") = "6"
    & skf21("7","1","2","2","7","6","1","1") = "6"
    & skf21("7","1","2","2","7","6","2","1") = "6"
    & skf21("7","1","2","2","7","6","3","1") = "6"
    & skf21("7","1","2","2","7","6","4","1") = "6"
    & skf21("7","1","2","2","7","6","5","1") = "6"
    & skf21("7","1","2","2","7","6","6","1") = "6"
    & skf21("7","1","2","2","7","6","7","1") = "6"
    & skf21("7","1","2","2","7","7","1","1") = "6"
    & skf21("7","1","2","2","7","7","2","1") = "6"
    & skf21("7","1","2","2","7","7","3","1") = "6"
    & skf21("7","1","2","2","7","7","4","1") = "6"
    & skf21("7","1","2","2","7","7","5","1") = "6"
    & skf21("7","1","2","2","7","7","6","1") = "6"
    & skf21("7","1","2","2","7","7","7","1") = "6"
    & skf21("7","1","2","3","1","1","1","1") = "6"
    & skf21("7","1","2","3","1","1","2","1") = "6"
    & skf21("7","1","2","3","1","1","3","1") = "6"
    & skf21("7","1","2","3","1","1","4","1") = "6"
    & skf21("7","1","2","3","1","1","5","1") = "6"
    & skf21("7","1","2","3","1","1","6","1") = "6"
    & skf21("7","1","2","3","1","1","7","1") = "6"
    & skf21("7","1","2","3","1","2","1","1") = "6"
    & skf21("7","1","2","3","1","2","2","1") = "6"
    & skf21("7","1","2","3","1","2","3","1") = "6"
    & skf21("7","1","2","3","1","2","4","1") = "6"
    & skf21("7","1","2","3","1","2","5","1") = "6"
    & skf21("7","1","2","3","1","2","6","1") = "6"
    & skf21("7","1","2","3","1","2","7","1") = "6"
    & skf21("7","1","2","3","1","3","1","1") = "6"
    & skf21("7","1","2","3","1","3","2","1") = "6"
    & skf21("7","1","2","3","1","3","3","1") = "6"
    & skf21("7","1","2","3","1","3","4","1") = "6"
    & skf21("7","1","2","3","1","3","5","1") = "6"
    & skf21("7","1","2","3","1","3","6","1") = "6"
    & skf21("7","1","2","3","1","3","7","1") = "6"
    & skf21("7","1","2","3","1","4","1","1") = "6"
    & skf21("7","1","2","3","1","4","2","1") = "6"
    & skf21("7","1","2","3","1","4","3","1") = "6"
    & skf21("7","1","2","3","1","4","4","1") = "6"
    & skf21("7","1","2","3","1","4","5","1") = "6"
    & skf21("7","1","2","3","1","4","6","1") = "6"
    & skf21("7","1","2","3","1","4","7","1") = "6"
    & skf21("7","1","2","3","1","5","1","1") = "6"
    & skf21("7","1","2","3","1","5","2","1") = "6"
    & skf21("7","1","2","3","1","5","3","1") = "6"
    & skf21("7","1","2","3","1","5","4","1") = "6"
    & skf21("7","1","2","3","1","5","5","1") = "6"
    & skf21("7","1","2","3","1","5","6","1") = "6"
    & skf21("7","1","2","3","1","5","7","1") = "6"
    & skf21("7","1","2","3","1","6","1","1") = "6"
    & skf21("7","1","2","3","1","6","2","1") = "6"
    & skf21("7","1","2","3","1","6","3","1") = "6"
    & skf21("7","1","2","3","1","6","4","1") = "6"
    & skf21("7","1","2","3","1","6","5","1") = "6"
    & skf21("7","1","2","3","1","6","6","1") = "6"
    & skf21("7","1","2","3","1","6","7","1") = "6"
    & skf21("7","1","2","3","1","7","1","1") = "6"
    & skf21("7","1","2","3","1","7","2","1") = "6"
    & skf21("7","1","2","3","1","7","3","1") = "6"
    & skf21("7","1","2","3","1","7","4","1") = "6"
    & skf21("7","1","2","3","1","7","5","1") = "6"
    & skf21("7","1","2","3","1","7","6","1") = "6"
    & skf21("7","1","2","3","1","7","7","1") = "6"
    & skf21("7","1","2","3","2","1","1","1") = "6"
    & skf21("7","1","2","3","2","1","2","1") = "6"
    & skf21("7","1","2","3","2","1","3","1") = "6"
    & skf21("7","1","2","3","2","1","4","1") = "6"
    & skf21("7","1","2","3","2","1","5","1") = "6"
    & skf21("7","1","2","3","2","1","6","1") = "6"
    & skf21("7","1","2","3","2","1","7","1") = "6"
    & skf21("7","1","2","3","2","2","1","1") = "6"
    & skf21("7","1","2","3","2","2","2","1") = "6"
    & skf21("7","1","2","3","2","2","3","1") = "6"
    & skf21("7","1","2","3","2","2","4","1") = "6"
    & skf21("7","1","2","3","2","2","5","1") = "6"
    & skf21("7","1","2","3","2","2","6","1") = "6"
    & skf21("7","1","2","3","2","2","7","1") = "6"
    & skf21("7","1","2","3","2","3","1","1") = "6"
    & skf21("7","1","2","3","2","3","2","1") = "6"
    & skf21("7","1","2","3","2","3","3","1") = "6"
    & skf21("7","1","2","3","2","3","4","1") = "6"
    & skf21("7","1","2","3","2","3","5","1") = "6"
    & skf21("7","1","2","3","2","3","6","1") = "6"
    & skf21("7","1","2","3","2","3","7","1") = "6"
    & skf21("7","1","2","3","2","4","1","1") = "6"
    & skf21("7","1","2","3","2","4","2","1") = "6"
    & skf21("7","1","2","3","2","4","3","1") = "6"
    & skf21("7","1","2","3","2","4","4","1") = "6"
    & skf21("7","1","2","3","2","4","5","1") = "6"
    & skf21("7","1","2","3","2","4","6","1") = "6"
    & skf21("7","1","2","3","2","4","7","1") = "6"
    & skf21("7","1","2","3","2","5","1","1") = "6"
    & skf21("7","1","2","3","2","5","2","1") = "6"
    & skf21("7","1","2","3","2","5","3","1") = "6"
    & skf21("7","1","2","3","2","5","4","1") = "6"
    & skf21("7","1","2","3","2","5","5","1") = "6"
    & skf21("7","1","2","3","2","5","6","1") = "6"
    & skf21("7","1","2","3","2","5","7","1") = "6"
    & skf21("7","1","2","3","2","6","1","1") = "6"
    & skf21("7","1","2","3","2","6","2","1") = "6"
    & skf21("7","1","2","3","2","6","3","1") = "6"
    & skf21("7","1","2","3","2","6","4","1") = "6"
    & skf21("7","1","2","3","2","6","5","1") = "6"
    & skf21("7","1","2","3","2","6","6","1") = "6"
    & skf21("7","1","2","3","2","6","7","1") = "6"
    & skf21("7","1","2","3","2","7","1","1") = "6"
    & skf21("7","1","2","3","2","7","2","1") = "6"
    & skf21("7","1","2","3","2","7","3","1") = "6"
    & skf21("7","1","2","3","2","7","4","1") = "6"
    & skf21("7","1","2","3","2","7","5","1") = "6"
    & skf21("7","1","2","3","2","7","6","1") = "6"
    & skf21("7","1","2","3","2","7","7","1") = "6"
    & skf21("7","1","2","3","3","1","1","1") = "6"
    & skf21("7","1","2","3","3","1","2","1") = "6"
    & skf21("7","1","2","3","3","1","3","1") = "6"
    & skf21("7","1","2","3","3","1","4","1") = "6"
    & skf21("7","1","2","3","3","1","5","1") = "6"
    & skf21("7","1","2","3","3","1","6","1") = "6"
    & skf21("7","1","2","3","3","1","7","1") = "6"
    & skf21("7","1","2","3","3","2","1","1") = "6"
    & skf21("7","1","2","3","3","2","2","1") = "6"
    & skf21("7","1","2","3","3","2","3","1") = "6"
    & skf21("7","1","2","3","3","2","4","1") = "6"
    & skf21("7","1","2","3","3","2","5","1") = "6"
    & skf21("7","1","2","3","3","2","6","1") = "6"
    & skf21("7","1","2","3","3","2","7","1") = "6"
    & skf21("7","1","2","3","3","3","1","1") = "6"
    & skf21("7","1","2","3","3","3","2","1") = "6"
    & skf21("7","1","2","3","3","3","3","1") = "6"
    & skf21("7","1","2","3","3","3","4","1") = "6"
    & skf21("7","1","2","3","3","3","5","1") = "6"
    & skf21("7","1","2","3","3","3","6","1") = "6"
    & skf21("7","1","2","3","3","3","7","1") = "6"
    & skf21("7","1","2","3","3","4","1","1") = "6"
    & skf21("7","1","2","3","3","4","2","1") = "6"
    & skf21("7","1","2","3","3","4","3","1") = "6"
    & skf21("7","1","2","3","3","4","4","1") = "6"
    & skf21("7","1","2","3","3","4","5","1") = "6"
    & skf21("7","1","2","3","3","4","6","1") = "6"
    & skf21("7","1","2","3","3","4","7","1") = "6"
    & skf21("7","1","2","3","3","5","1","1") = "6"
    & skf21("7","1","2","3","3","5","2","1") = "6"
    & skf21("7","1","2","3","3","5","3","1") = "6"
    & skf21("7","1","2","3","3","5","4","1") = "6"
    & skf21("7","1","2","3","3","5","5","1") = "6"
    & skf21("7","1","2","3","3","5","6","1") = "6"
    & skf21("7","1","2","3","3","5","7","1") = "6"
    & skf21("7","1","2","3","3","6","1","1") = "6"
    & skf21("7","1","2","3","3","6","2","1") = "6"
    & skf21("7","1","2","3","3","6","3","1") = "6"
    & skf21("7","1","2","3","3","6","4","1") = "6"
    & skf21("7","1","2","3","3","6","5","1") = "6"
    & skf21("7","1","2","3","3","6","6","1") = "6"
    & skf21("7","1","2","3","3","6","7","1") = "6"
    & skf21("7","1","2","3","3","7","1","1") = "6"
    & skf21("7","1","2","3","3","7","2","1") = "6"
    & skf21("7","1","2","3","3","7","3","1") = "6"
    & skf21("7","1","2","3","3","7","4","1") = "6"
    & skf21("7","1","2","3","3","7","5","1") = "6"
    & skf21("7","1","2","3","3","7","6","1") = "6"
    & skf21("7","1","2","3","3","7","7","1") = "6"
    & skf21("7","1","2","3","4","1","1","1") = "6"
    & skf21("7","1","2","3","4","1","2","1") = "6"
    & skf21("7","1","2","3","4","1","3","1") = "6"
    & skf21("7","1","2","3","4","1","4","1") = "6"
    & skf21("7","1","2","3","4","1","5","1") = "6"
    & skf21("7","1","2","3","4","1","6","1") = "6"
    & skf21("7","1","2","3","4","1","7","1") = "6"
    & skf21("7","1","2","3","4","2","1","1") = "6"
    & skf21("7","1","2","3","4","2","2","1") = "6"
    & skf21("7","1","2","3","4","2","3","1") = "6"
    & skf21("7","1","2","3","4","2","4","1") = "6"
    & skf21("7","1","2","3","4","2","5","1") = "6"
    & skf21("7","1","2","3","4","2","6","1") = "6"
    & skf21("7","1","2","3","4","2","7","1") = "6"
    & skf21("7","1","2","3","4","3","1","1") = "6"
    & skf21("7","1","2","3","4","3","2","1") = "6"
    & skf21("7","1","2","3","4","3","3","1") = "6"
    & skf21("7","1","2","3","4","3","4","1") = "6"
    & skf21("7","1","2","3","4","3","5","1") = "6"
    & skf21("7","1","2","3","4","3","6","1") = "6"
    & skf21("7","1","2","3","4","3","7","1") = "6"
    & skf21("7","1","2","3","4","4","1","1") = "6"
    & skf21("7","1","2","3","4","4","2","1") = "6"
    & skf21("7","1","2","3","4","4","3","1") = "6"
    & skf21("7","1","2","3","4","4","4","1") = "6"
    & skf21("7","1","2","3","4","4","5","1") = "6"
    & skf21("7","1","2","3","4","4","6","1") = "6"
    & skf21("7","1","2","3","4","4","7","1") = "6"
    & skf21("7","1","2","3","4","5","1","1") = "6"
    & skf21("7","1","2","3","4","5","2","1") = "6"
    & skf21("7","1","2","3","4","5","3","1") = "6"
    & skf21("7","1","2","3","4","5","4","1") = "6"
    & skf21("7","1","2","3","4","5","5","1") = "6"
    & skf21("7","1","2","3","4","5","6","1") = "6"
    & skf21("7","1","2","3","4","5","7","1") = "6"
    & skf21("7","1","2","3","4","6","1","1") = "6"
    & skf21("7","1","2","3","4","6","2","1") = "6"
    & skf21("7","1","2","3","4","6","3","1") = "6"
    & skf21("7","1","2","3","4","6","4","1") = "6"
    & skf21("7","1","2","3","4","6","5","1") = "6"
    & skf21("7","1","2","3","4","6","6","1") = "6"
    & skf21("7","1","2","3","4","6","7","1") = "6"
    & skf21("7","1","2","3","4","7","1","1") = "6"
    & skf21("7","1","2","3","4","7","2","1") = "6"
    & skf21("7","1","2","3","4","7","3","1") = "6"
    & skf21("7","1","2","3","4","7","4","1") = "6"
    & skf21("7","1","2","3","4","7","5","1") = "6"
    & skf21("7","1","2","3","4","7","6","1") = "6"
    & skf21("7","1","2","3","4","7","7","1") = "6"
    & skf21("7","1","2","3","5","1","1","1") = "6"
    & skf21("7","1","2","3","5","1","2","1") = "6"
    & skf21("7","1","2","3","5","1","3","1") = "6"
    & skf21("7","1","2","3","5","1","4","1") = "6"
    & skf21("7","1","2","3","5","1","5","1") = "6"
    & skf21("7","1","2","3","5","1","6","1") = "6"
    & skf21("7","1","2","3","5","1","7","1") = "6"
    & skf21("7","1","2","3","5","2","1","1") = "6"
    & skf21("7","1","2","3","5","2","2","1") = "6"
    & skf21("7","1","2","3","5","2","3","1") = "6"
    & skf21("7","1","2","3","5","2","4","1") = "6"
    & skf21("7","1","2","3","5","2","5","1") = "6"
    & skf21("7","1","2","3","5","2","6","1") = "6"
    & skf21("7","1","2","3","5","2","7","1") = "6"
    & skf21("7","1","2","3","5","3","1","1") = "6"
    & skf21("7","1","2","3","5","3","2","1") = "6"
    & skf21("7","1","2","3","5","3","3","1") = "6"
    & skf21("7","1","2","3","5","3","4","1") = "6"
    & skf21("7","1","2","3","5","3","5","1") = "6"
    & skf21("7","1","2","3","5","3","6","1") = "6"
    & skf21("7","1","2","3","5","3","7","1") = "6"
    & skf21("7","1","2","3","5","4","1","1") = "6"
    & skf21("7","1","2","3","5","4","2","1") = "6"
    & skf21("7","1","2","3","5","4","3","1") = "6"
    & skf21("7","1","2","3","5","4","4","1") = "6"
    & skf21("7","1","2","3","5","4","5","1") = "6"
    & skf21("7","1","2","3","5","4","6","1") = "6"
    & skf21("7","1","2","3","5","4","7","1") = "6"
    & skf21("7","1","2","3","5","5","1","1") = "6"
    & skf21("7","1","2","3","5","5","2","1") = "6"
    & skf21("7","1","2","3","5","5","3","1") = "6"
    & skf21("7","1","2","3","5","5","4","1") = "6"
    & skf21("7","1","2","3","5","5","5","1") = "6"
    & skf21("7","1","2","3","5","5","6","1") = "6"
    & skf21("7","1","2","3","5","5","7","1") = "6"
    & skf21("7","1","2","3","5","6","1","1") = "6"
    & skf21("7","1","2","3","5","6","2","1") = "6"
    & skf21("7","1","2","3","5","6","3","1") = "6"
    & skf21("7","1","2","3","5","6","4","1") = "6"
    & skf21("7","1","2","3","5","6","5","1") = "6"
    & skf21("7","1","2","3","5","6","6","1") = "6"
    & skf21("7","1","2","3","5","6","7","1") = "6"
    & skf21("7","1","2","3","5","7","1","1") = "6"
    & skf21("7","1","2","3","5","7","2","1") = "6"
    & skf21("7","1","2","3","5","7","3","1") = "6"
    & skf21("7","1","2","3","5","7","4","1") = "6"
    & skf21("7","1","2","3","5","7","5","1") = "6"
    & skf21("7","1","2","3","5","7","6","1") = "6"
    & skf21("7","1","2","3","5","7","7","1") = "6"
    & skf21("7","1","2","3","6","1","1","1") = "6"
    & skf21("7","1","2","3","6","1","2","1") = "6"
    & skf21("7","1","2","3","6","1","3","1") = "6"
    & skf21("7","1","2","3","6","1","4","1") = "6"
    & skf21("7","1","2","3","6","1","5","1") = "6"
    & skf21("7","1","2","3","6","1","6","1") = "6"
    & skf21("7","1","2","3","6","1","7","1") = "6"
    & skf21("7","1","2","3","6","2","1","1") = "6"
    & skf21("7","1","2","3","6","2","2","1") = "6"
    & skf21("7","1","2","3","6","2","3","1") = "6"
    & skf21("7","1","2","3","6","2","4","1") = "6"
    & skf21("7","1","2","3","6","2","5","1") = "6"
    & skf21("7","1","2","3","6","2","6","1") = "6"
    & skf21("7","1","2","3","6","2","7","1") = "6"
    & skf21("7","1","2","3","6","3","1","1") = "6"
    & skf21("7","1","2","3","6","3","2","1") = "6"
    & skf21("7","1","2","3","6","3","3","1") = "6"
    & skf21("7","1","2","3","6","3","4","1") = "6"
    & skf21("7","1","2","3","6","3","5","1") = "6"
    & skf21("7","1","2","3","6","3","6","1") = "6"
    & skf21("7","1","2","3","6","3","7","1") = "6"
    & skf21("7","1","2","3","6","4","1","1") = "6"
    & skf21("7","1","2","3","6","4","2","1") = "6"
    & skf21("7","1","2","3","6","4","3","1") = "6"
    & skf21("7","1","2","3","6","4","4","1") = "6"
    & skf21("7","1","2","3","6","4","5","1") = "6"
    & skf21("7","1","2","3","6","4","6","1") = "6"
    & skf21("7","1","2","3","6","4","7","1") = "6"
    & skf21("7","1","2","3","6","5","1","1") = "6"
    & skf21("7","1","2","3","6","5","2","1") = "6"
    & skf21("7","1","2","3","6","5","3","1") = "6"
    & skf21("7","1","2","3","6","5","4","1") = "6"
    & skf21("7","1","2","3","6","5","5","1") = "6"
    & skf21("7","1","2","3","6","5","6","1") = "6"
    & skf21("7","1","2","3","6","5","7","1") = "6"
    & skf21("7","1","2","3","6","6","1","1") = "6"
    & skf21("7","1","2","3","6","6","2","1") = "6"
    & skf21("7","1","2","3","6","6","3","1") = "6"
    & skf21("7","1","2","3","6","6","4","1") = "6"
    & skf21("7","1","2","3","6","6","5","1") = "6"
    & skf21("7","1","2","3","6","6","6","1") = "6"
    & skf21("7","1","2","3","6","6","7","1") = "6"
    & skf21("7","1","2","3","6","7","1","1") = "6"
    & skf21("7","1","2","3","6","7","2","1") = "6"
    & skf21("7","1","2","3","6","7","3","1") = "6"
    & skf21("7","1","2","3","6","7","4","1") = "6"
    & skf21("7","1","2","3","6","7","5","1") = "6"
    & skf21("7","1","2","3","6","7","6","1") = "6"
    & skf21("7","1","2","3","6","7","7","1") = "6"
    & skf21("7","1","2","3","7","1","1","1") = "6"
    & skf21("7","1","2","3","7","1","2","1") = "6"
    & skf21("7","1","2","3","7","1","3","1") = "6"
    & skf21("7","1","2","3","7","1","4","1") = "6"
    & skf21("7","1","2","3","7","1","5","1") = "6"
    & skf21("7","1","2","3","7","1","6","1") = "6"
    & skf21("7","1","2","3","7","1","7","1") = "6"
    & skf21("7","1","2","3","7","2","1","1") = "6"
    & skf21("7","1","2","3","7","2","2","1") = "6"
    & skf21("7","1","2","3","7","2","3","1") = "6"
    & skf21("7","1","2","3","7","2","4","1") = "6"
    & skf21("7","1","2","3","7","2","5","1") = "6"
    & skf21("7","1","2","3","7","2","6","1") = "6"
    & skf21("7","1","2","3","7","2","7","1") = "6"
    & skf21("7","1","2","3","7","3","1","1") = "6"
    & skf21("7","1","2","3","7","3","2","1") = "6"
    & skf21("7","1","2","3","7","3","3","1") = "6"
    & skf21("7","1","2","3","7","3","4","1") = "6"
    & skf21("7","1","2","3","7","3","5","1") = "6"
    & skf21("7","1","2","3","7","3","6","1") = "6"
    & skf21("7","1","2","3","7","3","7","1") = "6"
    & skf21("7","1","2","3","7","4","1","1") = "6"
    & skf21("7","1","2","3","7","4","2","1") = "6"
    & skf21("7","1","2","3","7","4","3","1") = "6"
    & skf21("7","1","2","3","7","4","4","1") = "6"
    & skf21("7","1","2","3","7","4","5","1") = "6"
    & skf21("7","1","2","3","7","4","6","1") = "6"
    & skf21("7","1","2","3","7","4","7","1") = "6"
    & skf21("7","1","2","3","7","5","1","1") = "6"
    & skf21("7","1","2","3","7","5","2","1") = "6"
    & skf21("7","1","2","3","7","5","3","1") = "6"
    & skf21("7","1","2","3","7","5","4","1") = "6"
    & skf21("7","1","2","3","7","5","5","1") = "6"
    & skf21("7","1","2","3","7","5","6","1") = "6"
    & skf21("7","1","2","3","7","5","7","1") = "6"
    & skf21("7","1","2","3","7","6","1","1") = "6"
    & skf21("7","1","2","3","7","6","2","1") = "6"
    & skf21("7","1","2","3","7","6","3","1") = "6"
    & skf21("7","1","2","3","7","6","4","1") = "6"
    & skf21("7","1","2","3","7","6","5","1") = "6"
    & skf21("7","1","2","3","7","6","6","1") = "6"
    & skf21("7","1","2","3","7","6","7","1") = "6"
    & skf21("7","1","2","3","7","7","1","1") = "6"
    & skf21("7","1","2","3","7","7","2","1") = "6"
    & skf21("7","1","2","3","7","7","3","1") = "6"
    & skf21("7","1","2","3","7","7","4","1") = "6"
    & skf21("7","1","2","3","7","7","5","1") = "6"
    & skf21("7","1","2","3","7","7","6","1") = "6"
    & skf21("7","1","2","3","7","7","7","1") = "6"
    & skf21("7","1","2","4","1","1","1","1") = "6"
    & skf21("7","1","2","4","1","1","2","1") = "6"
    & skf21("7","1","2","4","1","1","3","1") = "6"
    & skf21("7","1","2","4","1","1","4","1") = "6"
    & skf21("7","1","2","4","1","1","5","1") = "6"
    & skf21("7","1","2","4","1","1","6","1") = "6"
    & skf21("7","1","2","4","1","1","7","1") = "6"
    & skf21("7","1","2","4","1","2","1","1") = "6"
    & skf21("7","1","2","4","1","2","2","1") = "6"
    & skf21("7","1","2","4","1","2","3","1") = "6"
    & skf21("7","1","2","4","1","2","4","1") = "6"
    & skf21("7","1","2","4","1","2","5","1") = "6"
    & skf21("7","1","2","4","1","2","6","1") = "6"
    & skf21("7","1","2","4","1","2","7","1") = "6"
    & skf21("7","1","2","4","1","3","1","1") = "6"
    & skf21("7","1","2","4","1","3","2","1") = "6"
    & skf21("7","1","2","4","1","3","3","1") = "6"
    & skf21("7","1","2","4","1","3","4","1") = "6"
    & skf21("7","1","2","4","1","3","5","1") = "6"
    & skf21("7","1","2","4","1","3","6","1") = "6"
    & skf21("7","1","2","4","1","3","7","1") = "6"
    & skf21("7","1","2","4","1","4","1","1") = "6"
    & skf21("7","1","2","4","1","4","2","1") = "6"
    & skf21("7","1","2","4","1","4","3","1") = "6"
    & skf21("7","1","2","4","1","4","4","1") = "6"
    & skf21("7","1","2","4","1","4","5","1") = "6"
    & skf21("7","1","2","4","1","4","6","1") = "6"
    & skf21("7","1","2","4","1","4","7","1") = "6"
    & skf21("7","1","2","4","1","5","1","1") = "6"
    & skf21("7","1","2","4","1","5","2","1") = "6"
    & skf21("7","1","2","4","1","5","3","1") = "6"
    & skf21("7","1","2","4","1","5","4","1") = "6"
    & skf21("7","1","2","4","1","5","5","1") = "6"
    & skf21("7","1","2","4","1","5","6","1") = "6"
    & skf21("7","1","2","4","1","5","7","1") = "6"
    & skf21("7","1","2","4","1","6","1","1") = "6"
    & skf21("7","1","2","4","1","6","2","1") = "6"
    & skf21("7","1","2","4","1","6","3","1") = "6"
    & skf21("7","1","2","4","1","6","4","1") = "6"
    & skf21("7","1","2","4","1","6","5","1") = "6"
    & skf21("7","1","2","4","1","6","6","1") = "6"
    & skf21("7","1","2","4","1","6","7","1") = "6"
    & skf21("7","1","2","4","1","7","1","1") = "6"
    & skf21("7","1","2","4","1","7","2","1") = "6"
    & skf21("7","1","2","4","1","7","3","1") = "6"
    & skf21("7","1","2","4","1","7","4","1") = "6"
    & skf21("7","1","2","4","1","7","5","1") = "6"
    & skf21("7","1","2","4","1","7","6","1") = "6"
    & skf21("7","1","2","4","1","7","7","1") = "6"
    & skf21("7","1","2","4","2","1","1","1") = "6"
    & skf21("7","1","2","4","2","1","2","1") = "6"
    & skf21("7","1","2","4","2","1","3","1") = "6"
    & skf21("7","1","2","4","2","1","4","1") = "6"
    & skf21("7","1","2","4","2","1","5","1") = "6"
    & skf21("7","1","2","4","2","1","6","1") = "6"
    & skf21("7","1","2","4","2","1","7","1") = "6"
    & skf21("7","1","2","4","2","2","1","1") = "6"
    & skf21("7","1","2","4","2","2","2","1") = "6"
    & skf21("7","1","2","4","2","2","3","1") = "6"
    & skf21("7","1","2","4","2","2","4","1") = "6"
    & skf21("7","1","2","4","2","2","5","1") = "6"
    & skf21("7","1","2","4","2","2","6","1") = "6"
    & skf21("7","1","2","4","2","2","7","1") = "6"
    & skf21("7","1","2","4","2","3","1","1") = "6"
    & skf21("7","1","2","4","2","3","2","1") = "6"
    & skf21("7","1","2","4","2","3","3","1") = "6"
    & skf21("7","1","2","4","2","3","4","1") = "6"
    & skf21("7","1","2","4","2","3","5","1") = "6"
    & skf21("7","1","2","4","2","3","6","1") = "6"
    & skf21("7","1","2","4","2","3","7","1") = "6"
    & skf21("7","1","2","4","2","4","1","1") = "6"
    & skf21("7","1","2","4","2","4","2","1") = "6"
    & skf21("7","1","2","4","2","4","3","1") = "6"
    & skf21("7","1","2","4","2","4","4","1") = "6"
    & skf21("7","1","2","4","2","4","5","1") = "6"
    & skf21("7","1","2","4","2","4","6","1") = "6"
    & skf21("7","1","2","4","2","4","7","1") = "6"
    & skf21("7","1","2","4","2","5","1","1") = "6"
    & skf21("7","1","2","4","2","5","2","1") = "6"
    & skf21("7","1","2","4","2","5","3","1") = "6"
    & skf21("7","1","2","4","2","5","4","1") = "6"
    & skf21("7","1","2","4","2","5","5","1") = "6"
    & skf21("7","1","2","4","2","5","6","1") = "6"
    & skf21("7","1","2","4","2","5","7","1") = "6"
    & skf21("7","1","2","4","2","6","1","1") = "6"
    & skf21("7","1","2","4","2","6","2","1") = "6"
    & skf21("7","1","2","4","2","6","3","1") = "6"
    & skf21("7","1","2","4","2","6","4","1") = "6"
    & skf21("7","1","2","4","2","6","5","1") = "6"
    & skf21("7","1","2","4","2","6","6","1") = "6"
    & skf21("7","1","2","4","2","6","7","1") = "6"
    & skf21("7","1","2","4","2","7","1","1") = "6"
    & skf21("7","1","2","4","2","7","2","1") = "6"
    & skf21("7","1","2","4","2","7","3","1") = "6"
    & skf21("7","1","2","4","2","7","4","1") = "6"
    & skf21("7","1","2","4","2","7","5","1") = "6"
    & skf21("7","1","2","4","2","7","6","1") = "6"
    & skf21("7","1","2","4","2","7","7","1") = "6"
    & skf21("7","1","2","4","3","1","1","1") = "6"
    & skf21("7","1","2","4","3","1","2","1") = "6"
    & skf21("7","1","2","4","3","1","3","1") = "6"
    & skf21("7","1","2","4","3","1","4","1") = "6"
    & skf21("7","1","2","4","3","1","5","1") = "6"
    & skf21("7","1","2","4","3","1","6","1") = "6"
    & skf21("7","1","2","4","3","1","7","1") = "6"
    & skf21("7","1","2","4","3","2","1","1") = "6"
    & skf21("7","1","2","4","3","2","2","1") = "6"
    & skf21("7","1","2","4","3","2","3","1") = "6"
    & skf21("7","1","2","4","3","2","4","1") = "6"
    & skf21("7","1","2","4","3","2","5","1") = "6"
    & skf21("7","1","2","4","3","2","6","1") = "6"
    & skf21("7","1","2","4","3","2","7","1") = "6"
    & skf21("7","1","2","4","3","3","1","1") = "6"
    & skf21("7","1","2","4","3","3","2","1") = "6"
    & skf21("7","1","2","4","3","3","3","1") = "6"
    & skf21("7","1","2","4","3","3","4","1") = "6"
    & skf21("7","1","2","4","3","3","5","1") = "6"
    & skf21("7","1","2","4","3","3","6","1") = "6"
    & skf21("7","1","2","4","3","3","7","1") = "6"
    & skf21("7","1","2","4","3","4","1","1") = "6"
    & skf21("7","1","2","4","3","4","2","1") = "6"
    & skf21("7","1","2","4","3","4","3","1") = "6"
    & skf21("7","1","2","4","3","4","4","1") = "6"
    & skf21("7","1","2","4","3","4","5","1") = "6"
    & skf21("7","1","2","4","3","4","6","1") = "6"
    & skf21("7","1","2","4","3","4","7","1") = "6"
    & skf21("7","1","2","4","3","5","1","1") = "6"
    & skf21("7","1","2","4","3","5","2","1") = "6"
    & skf21("7","1","2","4","3","5","3","1") = "6"
    & skf21("7","1","2","4","3","5","4","1") = "6"
    & skf21("7","1","2","4","3","5","5","1") = "6"
    & skf21("7","1","2","4","3","5","6","1") = "6"
    & skf21("7","1","2","4","3","5","7","1") = "6"
    & skf21("7","1","2","4","3","6","1","1") = "6"
    & skf21("7","1","2","4","3","6","2","1") = "6"
    & skf21("7","1","2","4","3","6","3","1") = "6"
    & skf21("7","1","2","4","3","6","4","1") = "6"
    & skf21("7","1","2","4","3","6","5","1") = "6"
    & skf21("7","1","2","4","3","6","6","1") = "6"
    & skf21("7","1","2","4","3","6","7","1") = "6"
    & skf21("7","1","2","4","3","7","1","1") = "6"
    & skf21("7","1","2","4","3","7","2","1") = "6"
    & skf21("7","1","2","4","3","7","3","1") = "6"
    & skf21("7","1","2","4","3","7","4","1") = "6"
    & skf21("7","1","2","4","3","7","5","1") = "6"
    & skf21("7","1","2","4","3","7","6","1") = "6"
    & skf21("7","1","2","4","3","7","7","1") = "6"
    & skf21("7","1","2","4","4","1","1","1") = "6"
    & skf21("7","1","2","4","4","1","2","1") = "6"
    & skf21("7","1","2","4","4","1","3","1") = "6"
    & skf21("7","1","2","4","4","1","4","1") = "6"
    & skf21("7","1","2","4","4","1","5","1") = "6"
    & skf21("7","1","2","4","4","1","6","1") = "6"
    & skf21("7","1","2","4","4","1","7","1") = "6"
    & skf21("7","1","2","4","4","2","1","1") = "6"
    & skf21("7","1","2","4","4","2","2","1") = "6"
    & skf21("7","1","2","4","4","2","3","1") = "6"
    & skf21("7","1","2","4","4","2","4","1") = "6"
    & skf21("7","1","2","4","4","2","5","1") = "6"
    & skf21("7","1","2","4","4","2","6","1") = "6"
    & skf21("7","1","2","4","4","2","7","1") = "6"
    & skf21("7","1","2","4","4","3","1","1") = "6"
    & skf21("7","1","2","4","4","3","2","1") = "6"
    & skf21("7","1","2","4","4","3","3","1") = "6"
    & skf21("7","1","2","4","4","3","4","1") = "6"
    & skf21("7","1","2","4","4","3","5","1") = "6"
    & skf21("7","1","2","4","4","3","6","1") = "6"
    & skf21("7","1","2","4","4","3","7","1") = "6"
    & skf21("7","1","2","4","4","4","1","1") = "6"
    & skf21("7","1","2","4","4","4","2","1") = "6"
    & skf21("7","1","2","4","4","4","3","1") = "6"
    & skf21("7","1","2","4","4","4","4","1") = "6"
    & skf21("7","1","2","4","4","4","5","1") = "6"
    & skf21("7","1","2","4","4","4","6","1") = "6"
    & skf21("7","1","2","4","4","4","7","1") = "6"
    & skf21("7","1","2","4","4","5","1","1") = "6"
    & skf21("7","1","2","4","4","5","2","1") = "6"
    & skf21("7","1","2","4","4","5","3","1") = "6"
    & skf21("7","1","2","4","4","5","4","1") = "6"
    & skf21("7","1","2","4","4","5","5","1") = "6"
    & skf21("7","1","2","4","4","5","6","1") = "6"
    & skf21("7","1","2","4","4","5","7","1") = "6"
    & skf21("7","1","2","4","4","6","1","1") = "6"
    & skf21("7","1","2","4","4","6","2","1") = "6"
    & skf21("7","1","2","4","4","6","3","1") = "6"
    & skf21("7","1","2","4","4","6","4","1") = "6"
    & skf21("7","1","2","4","4","6","5","1") = "6"
    & skf21("7","1","2","4","4","6","6","1") = "6"
    & skf21("7","1","2","4","4","6","7","1") = "6"
    & skf21("7","1","2","4","4","7","1","1") = "6"
    & skf21("7","1","2","4","4","7","2","1") = "6"
    & skf21("7","1","2","4","4","7","3","1") = "6"
    & skf21("7","1","2","4","4","7","4","1") = "6"
    & skf21("7","1","2","4","4","7","5","1") = "6"
    & skf21("7","1","2","4","4","7","6","1") = "6"
    & skf21("7","1","2","4","4","7","7","1") = "6"
    & skf21("7","1","2","4","5","1","1","1") = "6"
    & skf21("7","1","2","4","5","1","2","1") = "6"
    & skf21("7","1","2","4","5","1","3","1") = "6"
    & skf21("7","1","2","4","5","1","4","1") = "6"
    & skf21("7","1","2","4","5","1","5","1") = "6"
    & skf21("7","1","2","4","5","1","6","1") = "6"
    & skf21("7","1","2","4","5","1","7","1") = "6"
    & skf21("7","1","2","4","5","2","1","1") = "6"
    & skf21("7","1","2","4","5","2","2","1") = "6"
    & skf21("7","1","2","4","5","2","3","1") = "6"
    & skf21("7","1","2","4","5","2","4","1") = "6"
    & skf21("7","1","2","4","5","2","5","1") = "6"
    & skf21("7","1","2","4","5","2","6","1") = "6"
    & skf21("7","1","2","4","5","2","7","1") = "6"
    & skf21("7","1","2","4","5","3","1","1") = "6"
    & skf21("7","1","2","4","5","3","2","1") = "6"
    & skf21("7","1","2","4","5","3","3","1") = "6"
    & skf21("7","1","2","4","5","3","4","1") = "6"
    & skf21("7","1","2","4","5","3","5","1") = "6"
    & skf21("7","1","2","4","5","3","6","1") = "6"
    & skf21("7","1","2","4","5","3","7","1") = "6"
    & skf21("7","1","2","4","5","4","1","1") = "6"
    & skf21("7","1","2","4","5","4","2","1") = "6"
    & skf21("7","1","2","4","5","4","3","1") = "6"
    & skf21("7","1","2","4","5","4","4","1") = "6"
    & skf21("7","1","2","4","5","4","5","1") = "6"
    & skf21("7","1","2","4","5","4","6","1") = "6"
    & skf21("7","1","2","4","5","4","7","1") = "6"
    & skf21("7","1","2","4","5","5","1","1") = "6"
    & skf21("7","1","2","4","5","5","2","1") = "6"
    & skf21("7","1","2","4","5","5","3","1") = "6"
    & skf21("7","1","2","4","5","5","4","1") = "6"
    & skf21("7","1","2","4","5","5","5","1") = "6"
    & skf21("7","1","2","4","5","5","6","1") = "6"
    & skf21("7","1","2","4","5","5","7","1") = "6"
    & skf21("7","1","2","4","5","6","1","1") = "6"
    & skf21("7","1","2","4","5","6","2","1") = "6"
    & skf21("7","1","2","4","5","6","3","1") = "6"
    & skf21("7","1","2","4","5","6","4","1") = "6"
    & skf21("7","1","2","4","5","6","5","1") = "6"
    & skf21("7","1","2","4","5","6","6","1") = "6"
    & skf21("7","1","2","4","5","6","7","1") = "6"
    & skf21("7","1","2","4","5","7","1","1") = "6"
    & skf21("7","1","2","4","5","7","2","1") = "6"
    & skf21("7","1","2","4","5","7","3","1") = "6"
    & skf21("7","1","2","4","5","7","4","1") = "6"
    & skf21("7","1","2","4","5","7","5","1") = "6"
    & skf21("7","1","2","4","5","7","6","1") = "6"
    & skf21("7","1","2","4","5","7","7","1") = "6"
    & skf21("7","1","2","4","6","1","1","1") = "6"
    & skf21("7","1","2","4","6","1","2","1") = "6"
    & skf21("7","1","2","4","6","1","3","1") = "6"
    & skf21("7","1","2","4","6","1","4","1") = "6"
    & skf21("7","1","2","4","6","1","5","1") = "6"
    & skf21("7","1","2","4","6","1","6","1") = "6"
    & skf21("7","1","2","4","6","1","7","1") = "6"
    & skf21("7","1","2","4","6","2","1","1") = "6"
    & skf21("7","1","2","4","6","2","2","1") = "6"
    & skf21("7","1","2","4","6","2","3","1") = "6"
    & skf21("7","1","2","4","6","2","4","1") = "6"
    & skf21("7","1","2","4","6","2","5","1") = "6"
    & skf21("7","1","2","4","6","2","6","1") = "6"
    & skf21("7","1","2","4","6","2","7","1") = "6"
    & skf21("7","1","2","4","6","3","1","1") = "6"
    & skf21("7","1","2","4","6","3","2","1") = "6"
    & skf21("7","1","2","4","6","3","3","1") = "6"
    & skf21("7","1","2","4","6","3","4","1") = "6"
    & skf21("7","1","2","4","6","3","5","1") = "6"
    & skf21("7","1","2","4","6","3","6","1") = "6"
    & skf21("7","1","2","4","6","3","7","1") = "6"
    & skf21("7","1","2","4","6","4","1","1") = "6"
    & skf21("7","1","2","4","6","4","2","1") = "6"
    & skf21("7","1","2","4","6","4","3","1") = "6"
    & skf21("7","1","2","4","6","4","4","1") = "6"
    & skf21("7","1","2","4","6","4","5","1") = "6"
    & skf21("7","1","2","4","6","4","6","1") = "6"
    & skf21("7","1","2","4","6","4","7","1") = "6"
    & skf21("7","1","2","4","6","5","1","1") = "6"
    & skf21("7","1","2","4","6","5","2","1") = "6"
    & skf21("7","1","2","4","6","5","3","1") = "6"
    & skf21("7","1","2","4","6","5","4","1") = "6"
    & skf21("7","1","2","4","6","5","5","1") = "6"
    & skf21("7","1","2","4","6","5","6","1") = "6"
    & skf21("7","1","2","4","6","5","7","1") = "6"
    & skf21("7","1","2","4","6","6","1","1") = "6"
    & skf21("7","1","2","4","6","6","2","1") = "6"
    & skf21("7","1","2","4","6","6","3","1") = "6"
    & skf21("7","1","2","4","6","6","4","1") = "6"
    & skf21("7","1","2","4","6","6","5","1") = "6"
    & skf21("7","1","2","4","6","6","6","1") = "6"
    & skf21("7","1","2","4","6","6","7","1") = "6"
    & skf21("7","1","2","4","6","7","1","1") = "6"
    & skf21("7","1","2","4","6","7","2","1") = "6"
    & skf21("7","1","2","4","6","7","3","1") = "6"
    & skf21("7","1","2","4","6","7","4","1") = "6"
    & skf21("7","1","2","4","6","7","5","1") = "6"
    & skf21("7","1","2","4","6","7","6","1") = "6"
    & skf21("7","1","2","4","6","7","7","1") = "6"
    & skf21("7","1","2","4","7","1","1","1") = "6"
    & skf21("7","1","2","4","7","1","2","1") = "6"
    & skf21("7","1","2","4","7","1","3","1") = "6"
    & skf21("7","1","2","4","7","1","4","1") = "6"
    & skf21("7","1","2","4","7","1","5","1") = "6"
    & skf21("7","1","2","4","7","1","6","1") = "6"
    & skf21("7","1","2","4","7","1","7","1") = "6"
    & skf21("7","1","2","4","7","2","1","1") = "6"
    & skf21("7","1","2","4","7","2","2","1") = "6"
    & skf21("7","1","2","4","7","2","3","1") = "6"
    & skf21("7","1","2","4","7","2","4","1") = "6"
    & skf21("7","1","2","4","7","2","5","1") = "6"
    & skf21("7","1","2","4","7","2","6","1") = "6"
    & skf21("7","1","2","4","7","2","7","1") = "6"
    & skf21("7","1","2","4","7","3","1","1") = "6"
    & skf21("7","1","2","4","7","3","2","1") = "6"
    & skf21("7","1","2","4","7","3","3","1") = "6"
    & skf21("7","1","2","4","7","3","4","1") = "6"
    & skf21("7","1","2","4","7","3","5","1") = "6"
    & skf21("7","1","2","4","7","3","6","1") = "6"
    & skf21("7","1","2","4","7","3","7","1") = "6"
    & skf21("7","1","2","4","7","4","1","1") = "6"
    & skf21("7","1","2","4","7","4","2","1") = "6"
    & skf21("7","1","2","4","7","4","3","1") = "6"
    & skf21("7","1","2","4","7","4","4","1") = "6"
    & skf21("7","1","2","4","7","4","5","1") = "6"
    & skf21("7","1","2","4","7","4","6","1") = "6"
    & skf21("7","1","2","4","7","4","7","1") = "6"
    & skf21("7","1","2","4","7","5","1","1") = "6"
    & skf21("7","1","2","4","7","5","2","1") = "6"
    & skf21("7","1","2","4","7","5","3","1") = "6"
    & skf21("7","1","2","4","7","5","4","1") = "6"
    & skf21("7","1","2","4","7","5","5","1") = "6"
    & skf21("7","1","2","4","7","5","6","1") = "6"
    & skf21("7","1","2","4","7","5","7","1") = "6"
    & skf21("7","1","2","4","7","6","1","1") = "6"
    & skf21("7","1","2","4","7","6","2","1") = "6"
    & skf21("7","1","2","4","7","6","3","1") = "6"
    & skf21("7","1","2","4","7","6","4","1") = "6"
    & skf21("7","1","2","4","7","6","5","1") = "6"
    & skf21("7","1","2","4","7","6","6","1") = "6"
    & skf21("7","1","2","4","7","6","7","1") = "6"
    & skf21("7","1","2","4","7","7","1","1") = "6"
    & skf21("7","1","2","4","7","7","2","1") = "6"
    & skf21("7","1","2","4","7","7","3","1") = "6"
    & skf21("7","1","2","4","7","7","4","1") = "6"
    & skf21("7","1","2","4","7","7","5","1") = "6"
    & skf21("7","1","2","4","7","7","6","1") = "6"
    & skf21("7","1","2","4","7","7","7","1") = "6"
    & skf21("7","1","2","5","1","1","1","1") = "6"
    & skf21("7","1","2","5","1","1","2","1") = "6"
    & skf21("7","1","2","5","1","1","3","1") = "6"
    & skf21("7","1","2","5","1","1","4","1") = "6"
    & skf21("7","1","2","5","1","1","5","1") = "6"
    & skf21("7","1","2","5","1","1","6","1") = "6"
    & skf21("7","1","2","5","1","1","7","1") = "6"
    & skf21("7","1","2","5","1","2","1","1") = "6"
    & skf21("7","1","2","5","1","2","2","1") = "6"
    & skf21("7","1","2","5","1","2","3","1") = "6"
    & skf21("7","1","2","5","1","2","4","1") = "6"
    & skf21("7","1","2","5","1","2","5","1") = "6"
    & skf21("7","1","2","5","1","2","6","1") = "6"
    & skf21("7","1","2","5","1","2","7","1") = "6"
    & skf21("7","1","2","5","1","3","1","1") = "6"
    & skf21("7","1","2","5","1","3","2","1") = "6"
    & skf21("7","1","2","5","1","3","3","1") = "6"
    & skf21("7","1","2","5","1","3","4","1") = "6"
    & skf21("7","1","2","5","1","3","5","1") = "6"
    & skf21("7","1","2","5","1","3","6","1") = "6"
    & skf21("7","1","2","5","1","3","7","1") = "6"
    & skf21("7","1","2","5","1","4","1","1") = "6"
    & skf21("7","1","2","5","1","4","2","1") = "6"
    & skf21("7","1","2","5","1","4","3","1") = "6"
    & skf21("7","1","2","5","1","4","4","1") = "6"
    & skf21("7","1","2","5","1","4","5","1") = "6"
    & skf21("7","1","2","5","1","4","6","1") = "6"
    & skf21("7","1","2","5","1","4","7","1") = "6"
    & skf21("7","1","2","5","1","5","1","1") = "6"
    & skf21("7","1","2","5","1","5","2","1") = "6"
    & skf21("7","1","2","5","1","5","3","1") = "6"
    & skf21("7","1","2","5","1","5","4","1") = "6"
    & skf21("7","1","2","5","1","5","5","1") = "6"
    & skf21("7","1","2","5","1","5","6","1") = "6"
    & skf21("7","1","2","5","1","5","7","1") = "6"
    & skf21("7","1","2","5","1","6","1","1") = "6"
    & skf21("7","1","2","5","1","6","2","1") = "6"
    & skf21("7","1","2","5","1","6","3","1") = "6"
    & skf21("7","1","2","5","1","6","4","1") = "6"
    & skf21("7","1","2","5","1","6","5","1") = "6"
    & skf21("7","1","2","5","1","6","6","1") = "6"
    & skf21("7","1","2","5","1","6","7","1") = "6"
    & skf21("7","1","2","5","1","7","1","1") = "6"
    & skf21("7","1","2","5","1","7","2","1") = "6"
    & skf21("7","1","2","5","1","7","3","1") = "6"
    & skf21("7","1","2","5","1","7","4","1") = "6"
    & skf21("7","1","2","5","1","7","5","1") = "6"
    & skf21("7","1","2","5","1","7","6","1") = "6"
    & skf21("7","1","2","5","1","7","7","1") = "6"
    & skf21("7","1","2","5","2","1","1","1") = "6"
    & skf21("7","1","2","5","2","1","2","1") = "6"
    & skf21("7","1","2","5","2","1","3","1") = "6"
    & skf21("7","1","2","5","2","1","4","1") = "6"
    & skf21("7","1","2","5","2","1","5","1") = "6"
    & skf21("7","1","2","5","2","1","6","1") = "6"
    & skf21("7","1","2","5","2","1","7","1") = "6"
    & skf21("7","1","2","5","2","2","1","1") = "6"
    & skf21("7","1","2","5","2","2","2","1") = "6"
    & skf21("7","1","2","5","2","2","3","1") = "6"
    & skf21("7","1","2","5","2","2","4","1") = "6"
    & skf21("7","1","2","5","2","2","5","1") = "6"
    & skf21("7","1","2","5","2","2","6","1") = "6"
    & skf21("7","1","2","5","2","2","7","1") = "6"
    & skf21("7","1","2","5","2","3","1","1") = "6"
    & skf21("7","1","2","5","2","3","2","1") = "6"
    & skf21("7","1","2","5","2","3","3","1") = "6"
    & skf21("7","1","2","5","2","3","4","1") = "6"
    & skf21("7","1","2","5","2","3","5","1") = "6"
    & skf21("7","1","2","5","2","3","6","1") = "6"
    & skf21("7","1","2","5","2","3","7","1") = "6"
    & skf21("7","1","2","5","2","4","1","1") = "6"
    & skf21("7","1","2","5","2","4","2","1") = "6"
    & skf21("7","1","2","5","2","4","3","1") = "6"
    & skf21("7","1","2","5","2","4","4","1") = "6"
    & skf21("7","1","2","5","2","4","5","1") = "6"
    & skf21("7","1","2","5","2","4","6","1") = "6"
    & skf21("7","1","2","5","2","4","7","1") = "6"
    & skf21("7","1","2","5","2","5","1","1") = "6"
    & skf21("7","1","2","5","2","5","2","1") = "6"
    & skf21("7","1","2","5","2","5","3","1") = "6"
    & skf21("7","1","2","5","2","5","4","1") = "6"
    & skf21("7","1","2","5","2","5","5","1") = "6"
    & skf21("7","1","2","5","2","5","6","1") = "6"
    & skf21("7","1","2","5","2","5","7","1") = "6"
    & skf21("7","1","2","5","2","6","1","1") = "6"
    & skf21("7","1","2","5","2","6","2","1") = "6"
    & skf21("7","1","2","5","2","6","3","1") = "6"
    & skf21("7","1","2","5","2","6","4","1") = "6"
    & skf21("7","1","2","5","2","6","5","1") = "6"
    & skf21("7","1","2","5","2","6","6","1") = "6"
    & skf21("7","1","2","5","2","6","7","1") = "6"
    & skf21("7","1","2","5","2","7","1","1") = "6"
    & skf21("7","1","2","5","2","7","2","1") = "6"
    & skf21("7","1","2","5","2","7","3","1") = "6"
    & skf21("7","1","2","5","2","7","4","1") = "6"
    & skf21("7","1","2","5","2","7","5","1") = "6"
    & skf21("7","1","2","5","2","7","6","1") = "6"
    & skf21("7","1","2","5","2","7","7","1") = "6"
    & skf21("7","1","2","5","3","1","1","1") = "6"
    & skf21("7","1","2","5","3","1","2","1") = "6"
    & skf21("7","1","2","5","3","1","3","1") = "6"
    & skf21("7","1","2","5","3","1","4","1") = "6"
    & skf21("7","1","2","5","3","1","5","1") = "6"
    & skf21("7","1","2","5","3","1","6","1") = "6"
    & skf21("7","1","2","5","3","1","7","1") = "6"
    & skf21("7","1","2","5","3","2","1","1") = "6"
    & skf21("7","1","2","5","3","2","2","1") = "6"
    & skf21("7","1","2","5","3","2","3","1") = "6"
    & skf21("7","1","2","5","3","2","4","1") = "6"
    & skf21("7","1","2","5","3","2","5","1") = "6"
    & skf21("7","1","2","5","3","2","6","1") = "6"
    & skf21("7","1","2","5","3","2","7","1") = "6"
    & skf21("7","1","2","5","3","3","1","1") = "6"
    & skf21("7","1","2","5","3","3","2","1") = "6"
    & skf21("7","1","2","5","3","3","3","1") = "6"
    & skf21("7","1","2","5","3","3","4","1") = "6"
    & skf21("7","1","2","5","3","3","5","1") = "6"
    & skf21("7","1","2","5","3","3","6","1") = "6"
    & skf21("7","1","2","5","3","3","7","1") = "6"
    & skf21("7","1","2","5","3","4","1","1") = "6"
    & skf21("7","1","2","5","3","4","2","1") = "6"
    & skf21("7","1","2","5","3","4","3","1") = "6"
    & skf21("7","1","2","5","3","4","4","1") = "6"
    & skf21("7","1","2","5","3","4","5","1") = "6"
    & skf21("7","1","2","5","3","4","6","1") = "6"
    & skf21("7","1","2","5","3","4","7","1") = "6"
    & skf21("7","1","2","5","3","5","1","1") = "6"
    & skf21("7","1","2","5","3","5","2","1") = "6"
    & skf21("7","1","2","5","3","5","3","1") = "6"
    & skf21("7","1","2","5","3","5","4","1") = "6"
    & skf21("7","1","2","5","3","5","5","1") = "6"
    & skf21("7","1","2","5","3","5","6","1") = "6"
    & skf21("7","1","2","5","3","5","7","1") = "6"
    & skf21("7","1","2","5","3","6","1","1") = "6"
    & skf21("7","1","2","5","3","6","2","1") = "6"
    & skf21("7","1","2","5","3","6","3","1") = "6"
    & skf21("7","1","2","5","3","6","4","1") = "6"
    & skf21("7","1","2","5","3","6","5","1") = "6"
    & skf21("7","1","2","5","3","6","6","1") = "6"
    & skf21("7","1","2","5","3","6","7","1") = "6"
    & skf21("7","1","2","5","3","7","1","1") = "6"
    & skf21("7","1","2","5","3","7","2","1") = "6"
    & skf21("7","1","2","5","3","7","3","1") = "6"
    & skf21("7","1","2","5","3","7","4","1") = "6"
    & skf21("7","1","2","5","3","7","5","1") = "6"
    & skf21("7","1","2","5","3","7","6","1") = "6"
    & skf21("7","1","2","5","3","7","7","1") = "6"
    & skf21("7","1","2","5","4","1","1","1") = "6"
    & skf21("7","1","2","5","4","1","2","1") = "6"
    & skf21("7","1","2","5","4","1","3","1") = "6"
    & skf21("7","1","2","5","4","1","4","1") = "6"
    & skf21("7","1","2","5","4","1","5","1") = "6"
    & skf21("7","1","2","5","4","1","6","1") = "6"
    & skf21("7","1","2","5","4","1","7","1") = "6"
    & skf21("7","1","2","5","4","2","1","1") = "6"
    & skf21("7","1","2","5","4","2","2","1") = "6"
    & skf21("7","1","2","5","4","2","3","1") = "6"
    & skf21("7","1","2","5","4","2","4","1") = "6"
    & skf21("7","1","2","5","4","2","5","1") = "6"
    & skf21("7","1","2","5","4","2","6","1") = "6"
    & skf21("7","1","2","5","4","2","7","1") = "6"
    & skf21("7","1","2","5","4","3","1","1") = "6"
    & skf21("7","1","2","5","4","3","2","1") = "6"
    & skf21("7","1","2","5","4","3","3","1") = "6"
    & skf21("7","1","2","5","4","3","4","1") = "6"
    & skf21("7","1","2","5","4","3","5","1") = "6"
    & skf21("7","1","2","5","4","3","6","1") = "6"
    & skf21("7","1","2","5","4","3","7","1") = "6"
    & skf21("7","1","2","5","4","4","1","1") = "6"
    & skf21("7","1","2","5","4","4","2","1") = "6"
    & skf21("7","1","2","5","4","4","3","1") = "6"
    & skf21("7","1","2","5","4","4","4","1") = "6"
    & skf21("7","1","2","5","4","4","5","1") = "6"
    & skf21("7","1","2","5","4","4","6","1") = "6"
    & skf21("7","1","2","5","4","4","7","1") = "6"
    & skf21("7","1","2","5","4","5","1","1") = "6"
    & skf21("7","1","2","5","4","5","2","1") = "6"
    & skf21("7","1","2","5","4","5","3","1") = "6"
    & skf21("7","1","2","5","4","5","4","1") = "6"
    & skf21("7","1","2","5","4","5","5","1") = "6"
    & skf21("7","1","2","5","4","5","6","1") = "6"
    & skf21("7","1","2","5","4","5","7","1") = "6"
    & skf21("7","1","2","5","4","6","1","1") = "6"
    & skf21("7","1","2","5","4","6","2","1") = "6"
    & skf21("7","1","2","5","4","6","3","1") = "6"
    & skf21("7","1","2","5","4","6","4","1") = "6"
    & skf21("7","1","2","5","4","6","5","1") = "6"
    & skf21("7","1","2","5","4","6","6","1") = "6"
    & skf21("7","1","2","5","4","6","7","1") = "6"
    & skf21("7","1","2","5","4","7","1","1") = "6"
    & skf21("7","1","2","5","4","7","2","1") = "6"
    & skf21("7","1","2","5","4","7","3","1") = "6"
    & skf21("7","1","2","5","4","7","4","1") = "6"
    & skf21("7","1","2","5","4","7","5","1") = "6"
    & skf21("7","1","2","5","4","7","6","1") = "6"
    & skf21("7","1","2","5","4","7","7","1") = "6"
    & skf21("7","1","2","5","5","1","1","1") = "6"
    & skf21("7","1","2","5","5","1","2","1") = "6"
    & skf21("7","1","2","5","5","1","3","1") = "6"
    & skf21("7","1","2","5","5","1","4","1") = "6"
    & skf21("7","1","2","5","5","1","5","1") = "6"
    & skf21("7","1","2","5","5","1","6","1") = "6"
    & skf21("7","1","2","5","5","1","7","1") = "6"
    & skf21("7","1","2","5","5","2","1","1") = "6"
    & skf21("7","1","2","5","5","2","2","1") = "6"
    & skf21("7","1","2","5","5","2","3","1") = "6"
    & skf21("7","1","2","5","5","2","4","1") = "6"
    & skf21("7","1","2","5","5","2","5","1") = "6"
    & skf21("7","1","2","5","5","2","6","1") = "6"
    & skf21("7","1","2","5","5","2","7","1") = "6"
    & skf21("7","1","2","5","5","3","1","1") = "6"
    & skf21("7","1","2","5","5","3","2","1") = "6"
    & skf21("7","1","2","5","5","3","3","1") = "6"
    & skf21("7","1","2","5","5","3","4","1") = "6"
    & skf21("7","1","2","5","5","3","5","1") = "6"
    & skf21("7","1","2","5","5","3","6","1") = "6"
    & skf21("7","1","2","5","5","3","7","1") = "6"
    & skf21("7","1","2","5","5","4","1","1") = "6"
    & skf21("7","1","2","5","5","4","2","1") = "6"
    & skf21("7","1","2","5","5","4","3","1") = "6"
    & skf21("7","1","2","5","5","4","4","1") = "6"
    & skf21("7","1","2","5","5","4","5","1") = "6"
    & skf21("7","1","2","5","5","4","6","1") = "6"
    & skf21("7","1","2","5","5","4","7","1") = "6"
    & skf21("7","1","2","5","5","5","1","1") = "6"
    & skf21("7","1","2","5","5","5","2","1") = "6"
    & skf21("7","1","2","5","5","5","3","1") = "6"
    & skf21("7","1","2","5","5","5","4","1") = "6"
    & skf21("7","1","2","5","5","5","5","1") = "6"
    & skf21("7","1","2","5","5","5","6","1") = "6"
    & skf21("7","1","2","5","5","5","7","1") = "6"
    & skf21("7","1","2","5","5","6","1","1") = "6"
    & skf21("7","1","2","5","5","6","2","1") = "6"
    & skf21("7","1","2","5","5","6","3","1") = "6"
    & skf21("7","1","2","5","5","6","4","1") = "6"
    & skf21("7","1","2","5","5","6","5","1") = "6"
    & skf21("7","1","2","5","5","6","6","1") = "6"
    & skf21("7","1","2","5","5","6","7","1") = "6"
    & skf21("7","1","2","5","5","7","1","1") = "6"
    & skf21("7","1","2","5","5","7","2","1") = "6"
    & skf21("7","1","2","5","5","7","3","1") = "6"
    & skf21("7","1","2","5","5","7","4","1") = "6"
    & skf21("7","1","2","5","5","7","5","1") = "6"
    & skf21("7","1","2","5","5","7","6","1") = "6"
    & skf21("7","1","2","5","5","7","7","1") = "6"
    & skf21("7","1","2","5","6","1","1","1") = "6"
    & skf21("7","1","2","5","6","1","2","1") = "6"
    & skf21("7","1","2","5","6","1","3","1") = "6"
    & skf21("7","1","2","5","6","1","4","1") = "6"
    & skf21("7","1","2","5","6","1","5","1") = "6"
    & skf21("7","1","2","5","6","1","6","1") = "6"
    & skf21("7","1","2","5","6","1","7","1") = "6"
    & skf21("7","1","2","5","6","2","1","1") = "6"
    & skf21("7","1","2","5","6","2","2","1") = "6"
    & skf21("7","1","2","5","6","2","3","1") = "6"
    & skf21("7","1","2","5","6","2","4","1") = "6"
    & skf21("7","1","2","5","6","2","5","1") = "6"
    & skf21("7","1","2","5","6","2","6","1") = "6"
    & skf21("7","1","2","5","6","2","7","1") = "6"
    & skf21("7","1","2","5","6","3","1","1") = "6"
    & skf21("7","1","2","5","6","3","2","1") = "6"
    & skf21("7","1","2","5","6","3","3","1") = "6"
    & skf21("7","1","2","5","6","3","4","1") = "6"
    & skf21("7","1","2","5","6","3","5","1") = "6"
    & skf21("7","1","2","5","6","3","6","1") = "6"
    & skf21("7","1","2","5","6","3","7","1") = "6"
    & skf21("7","1","2","5","6","4","1","1") = "6"
    & skf21("7","1","2","5","6","4","2","1") = "6"
    & skf21("7","1","2","5","6","4","3","1") = "6"
    & skf21("7","1","2","5","6","4","4","1") = "6"
    & skf21("7","1","2","5","6","4","5","1") = "6"
    & skf21("7","1","2","5","6","4","6","1") = "6"
    & skf21("7","1","2","5","6","4","7","1") = "6"
    & skf21("7","1","2","5","6","5","1","1") = "6"
    & skf21("7","1","2","5","6","5","2","1") = "6"
    & skf21("7","1","2","5","6","5","3","1") = "6"
    & skf21("7","1","2","5","6","5","4","1") = "6"
    & skf21("7","1","2","5","6","5","5","1") = "6"
    & skf21("7","1","2","5","6","5","6","1") = "6"
    & skf21("7","1","2","5","6","5","7","1") = "6"
    & skf21("7","1","2","5","6","6","1","1") = "6"
    & skf21("7","1","2","5","6","6","2","1") = "6"
    & skf21("7","1","2","5","6","6","3","1") = "6"
    & skf21("7","1","2","5","6","6","4","1") = "6"
    & skf21("7","1","2","5","6","6","5","1") = "6"
    & skf21("7","1","2","5","6","6","6","1") = "6"
    & skf21("7","1","2","5","6","6","7","1") = "6"
    & skf21("7","1","2","5","6","7","1","1") = "6"
    & skf21("7","1","2","5","6","7","2","1") = "6"
    & skf21("7","1","2","5","6","7","3","1") = "6"
    & skf21("7","1","2","5","6","7","4","1") = "6"
    & skf21("7","1","2","5","6","7","5","1") = "6"
    & skf21("7","1","2","5","6","7","6","1") = "6"
    & skf21("7","1","2","5","6","7","7","1") = "6"
    & skf21("7","1","2","5","7","1","1","1") = "6"
    & skf21("7","1","2","5","7","1","2","1") = "6"
    & skf21("7","1","2","5","7","1","3","1") = "6"
    & skf21("7","1","2","5","7","1","4","1") = "6"
    & skf21("7","1","2","5","7","1","5","1") = "6"
    & skf21("7","1","2","5","7","1","6","1") = "6"
    & skf21("7","1","2","5","7","1","7","1") = "6"
    & skf21("7","1","2","5","7","2","1","1") = "6"
    & skf21("7","1","2","5","7","2","2","1") = "6"
    & skf21("7","1","2","5","7","2","3","1") = "6"
    & skf21("7","1","2","5","7","2","4","1") = "6"
    & skf21("7","1","2","5","7","2","5","1") = "6"
    & skf21("7","1","2","5","7","2","6","1") = "6"
    & skf21("7","1","2","5","7","2","7","1") = "6"
    & skf21("7","1","2","5","7","3","1","1") = "6"
    & skf21("7","1","2","5","7","3","2","1") = "6"
    & skf21("7","1","2","5","7","3","3","1") = "6"
    & skf21("7","1","2","5","7","3","4","1") = "6"
    & skf21("7","1","2","5","7","3","5","1") = "6"
    & skf21("7","1","2","5","7","3","6","1") = "6"
    & skf21("7","1","2","5","7","3","7","1") = "6"
    & skf21("7","1","2","5","7","4","1","1") = "6"
    & skf21("7","1","2","5","7","4","2","1") = "6"
    & skf21("7","1","2","5","7","4","3","1") = "6"
    & skf21("7","1","2","5","7","4","4","1") = "6"
    & skf21("7","1","2","5","7","4","5","1") = "6"
    & skf21("7","1","2","5","7","4","6","1") = "6"
    & skf21("7","1","2","5","7","4","7","1") = "6"
    & skf21("7","1","2","5","7","5","1","1") = "6"
    & skf21("7","1","2","5","7","5","2","1") = "6"
    & skf21("7","1","2","5","7","5","3","1") = "6"
    & skf21("7","1","2","5","7","5","4","1") = "6"
    & skf21("7","1","2","5","7","5","5","1") = "6"
    & skf21("7","1","2","5","7","5","6","1") = "6"
    & skf21("7","1","2","5","7","5","7","1") = "6"
    & skf21("7","1","2","5","7","6","1","1") = "6"
    & skf21("7","1","2","5","7","6","2","1") = "6"
    & skf21("7","1","2","5","7","6","3","1") = "6"
    & skf21("7","1","2","5","7","6","4","1") = "6"
    & skf21("7","1","2","5","7","6","5","1") = "6"
    & skf21("7","1","2","5","7","6","6","1") = "6"
    & skf21("7","1","2","5","7","6","7","1") = "6"
    & skf21("7","1","2","5","7","7","1","1") = "6"
    & skf21("7","1","2","5","7","7","2","1") = "6"
    & skf21("7","1","2","5","7","7","3","1") = "6"
    & skf21("7","1","2","5","7","7","4","1") = "6"
    & skf21("7","1","2","5","7","7","5","1") = "6"
    & skf21("7","1","2","5","7","7","6","1") = "6"
    & skf21("7","1","2","5","7","7","7","1") = "6"
    & skf21("7","1","2","6","1","1","1","1") = "6"
    & skf21("7","1","2","6","1","1","2","1") = "6"
    & skf21("7","1","2","6","1","1","3","1") = "6"
    & skf21("7","1","2","6","1","1","4","1") = "6"
    & skf21("7","1","2","6","1","1","5","1") = "6"
    & skf21("7","1","2","6","1","1","6","1") = "6"
    & skf21("7","1","2","6","1","1","7","1") = "6"
    & skf21("7","1","2","6","1","2","1","1") = "6"
    & skf21("7","1","2","6","1","2","2","1") = "6"
    & skf21("7","1","2","6","1","2","3","1") = "6"
    & skf21("7","1","2","6","1","2","4","1") = "6"
    & skf21("7","1","2","6","1","2","5","1") = "6"
    & skf21("7","1","2","6","1","2","6","1") = "6"
    & skf21("7","1","2","6","1","2","7","1") = "6"
    & skf21("7","1","2","6","1","3","1","1") = "6"
    & skf21("7","1","2","6","1","3","2","1") = "6"
    & skf21("7","1","2","6","1","3","3","1") = "6"
    & skf21("7","1","2","6","1","3","4","1") = "6"
    & skf21("7","1","2","6","1","3","5","1") = "6"
    & skf21("7","1","2","6","1","3","6","1") = "6"
    & skf21("7","1","2","6","1","3","7","1") = "6"
    & skf21("7","1","2","6","1","4","1","1") = "6"
    & skf21("7","1","2","6","1","4","2","1") = "6"
    & skf21("7","1","2","6","1","4","3","1") = "6"
    & skf21("7","1","2","6","1","4","4","1") = "6"
    & skf21("7","1","2","6","1","4","5","1") = "6"
    & skf21("7","1","2","6","1","4","6","1") = "6"
    & skf21("7","1","2","6","1","4","7","1") = "6"
    & skf21("7","1","2","6","1","5","1","1") = "6"
    & skf21("7","1","2","6","1","5","2","1") = "6"
    & skf21("7","1","2","6","1","5","3","1") = "6"
    & skf21("7","1","2","6","1","5","4","1") = "6"
    & skf21("7","1","2","6","1","5","5","1") = "6"
    & skf21("7","1","2","6","1","5","6","1") = "6"
    & skf21("7","1","2","6","1","5","7","1") = "6"
    & skf21("7","1","2","6","1","6","1","1") = "6"
    & skf21("7","1","2","6","1","6","2","1") = "6"
    & skf21("7","1","2","6","1","6","3","1") = "6"
    & skf21("7","1","2","6","1","6","4","1") = "6"
    & skf21("7","1","2","6","1","6","5","1") = "6"
    & skf21("7","1","2","6","1","6","6","1") = "6"
    & skf21("7","1","2","6","1","6","7","1") = "6"
    & skf21("7","1","2","6","1","7","1","1") = "6"
    & skf21("7","1","2","6","1","7","2","1") = "6"
    & skf21("7","1","2","6","1","7","3","1") = "6"
    & skf21("7","1","2","6","1","7","4","1") = "6"
    & skf21("7","1","2","6","1","7","5","1") = "6"
    & skf21("7","1","2","6","1","7","6","1") = "6"
    & skf21("7","1","2","6","1","7","7","1") = "6"
    & skf21("7","1","2","6","2","1","1","1") = "6"
    & skf21("7","1","2","6","2","1","2","1") = "6"
    & skf21("7","1","2","6","2","1","3","1") = "6"
    & skf21("7","1","2","6","2","1","4","1") = "6"
    & skf21("7","1","2","6","2","1","5","1") = "6"
    & skf21("7","1","2","6","2","1","6","1") = "6"
    & skf21("7","1","2","6","2","1","7","1") = "6"
    & skf21("7","1","2","6","2","2","1","1") = "6"
    & skf21("7","1","2","6","2","2","2","1") = "6"
    & skf21("7","1","2","6","2","2","3","1") = "6"
    & skf21("7","1","2","6","2","2","4","1") = "6"
    & skf21("7","1","2","6","2","2","5","1") = "6"
    & skf21("7","1","2","6","2","2","6","1") = "6"
    & skf21("7","1","2","6","2","2","7","1") = "6"
    & skf21("7","1","2","6","2","3","1","1") = "6"
    & skf21("7","1","2","6","2","3","2","1") = "6"
    & skf21("7","1","2","6","2","3","3","1") = "6"
    & skf21("7","1","2","6","2","3","4","1") = "6"
    & skf21("7","1","2","6","2","3","5","1") = "6"
    & skf21("7","1","2","6","2","3","6","1") = "6"
    & skf21("7","1","2","6","2","3","7","1") = "6"
    & skf21("7","1","2","6","2","4","1","1") = "6"
    & skf21("7","1","2","6","2","4","2","1") = "6"
    & skf21("7","1","2","6","2","4","3","1") = "6"
    & skf21("7","1","2","6","2","4","4","1") = "6"
    & skf21("7","1","2","6","2","4","5","1") = "6"
    & skf21("7","1","2","6","2","4","6","1") = "6"
    & skf21("7","1","2","6","2","4","7","1") = "6"
    & skf21("7","1","2","6","2","5","1","1") = "6"
    & skf21("7","1","2","6","2","5","2","1") = "6"
    & skf21("7","1","2","6","2","5","3","1") = "6"
    & skf21("7","1","2","6","2","5","4","1") = "6"
    & skf21("7","1","2","6","2","5","5","1") = "6"
    & skf21("7","1","2","6","2","5","6","1") = "6"
    & skf21("7","1","2","6","2","5","7","1") = "6"
    & skf21("7","1","2","6","2","6","1","1") = "6"
    & skf21("7","1","2","6","2","6","2","1") = "6"
    & skf21("7","1","2","6","2","6","3","1") = "6"
    & skf21("7","1","2","6","2","6","4","1") = "6"
    & skf21("7","1","2","6","2","6","5","1") = "6"
    & skf21("7","1","2","6","2","6","6","1") = "6"
    & skf21("7","1","2","6","2","6","7","1") = "6"
    & skf21("7","1","2","6","2","7","1","1") = "6"
    & skf21("7","1","2","6","2","7","2","1") = "6"
    & skf21("7","1","2","6","2","7","3","1") = "6"
    & skf21("7","1","2","6","2","7","4","1") = "6"
    & skf21("7","1","2","6","2","7","5","1") = "6"
    & skf21("7","1","2","6","2","7","6","1") = "6"
    & skf21("7","1","2","6","2","7","7","1") = "6"
    & skf21("7","1","2","6","3","1","1","1") = "6"
    & skf21("7","1","2","6","3","1","2","1") = "6"
    & skf21("7","1","2","6","3","1","3","1") = "6"
    & skf21("7","1","2","6","3","1","4","1") = "6"
    & skf21("7","1","2","6","3","1","5","1") = "6"
    & skf21("7","1","2","6","3","1","6","1") = "6"
    & skf21("7","1","2","6","3","1","7","1") = "6"
    & skf21("7","1","2","6","3","2","1","1") = "6"
    & skf21("7","1","2","6","3","2","2","1") = "6"
    & skf21("7","1","2","6","3","2","3","1") = "6"
    & skf21("7","1","2","6","3","2","4","1") = "6"
    & skf21("7","1","2","6","3","2","5","1") = "6"
    & skf21("7","1","2","6","3","2","6","1") = "6"
    & skf21("7","1","2","6","3","2","7","1") = "6"
    & skf21("7","1","2","6","3","3","1","1") = "6"
    & skf21("7","1","2","6","3","3","2","1") = "6"
    & skf21("7","1","2","6","3","3","3","1") = "6"
    & skf21("7","1","2","6","3","3","4","1") = "6"
    & skf21("7","1","2","6","3","3","5","1") = "6"
    & skf21("7","1","2","6","3","3","6","1") = "6"
    & skf21("7","1","2","6","3","3","7","1") = "6"
    & skf21("7","1","2","6","3","4","1","1") = "6"
    & skf21("7","1","2","6","3","4","2","1") = "6"
    & skf21("7","1","2","6","3","4","3","1") = "6"
    & skf21("7","1","2","6","3","4","4","1") = "6"
    & skf21("7","1","2","6","3","4","5","1") = "6"
    & skf21("7","1","2","6","3","4","6","1") = "6"
    & skf21("7","1","2","6","3","4","7","1") = "6"
    & skf21("7","1","2","6","3","5","1","1") = "6"
    & skf21("7","1","2","6","3","5","2","1") = "6"
    & skf21("7","1","2","6","3","5","3","1") = "6"
    & skf21("7","1","2","6","3","5","4","1") = "6"
    & skf21("7","1","2","6","3","5","5","1") = "6"
    & skf21("7","1","2","6","3","5","6","1") = "6"
    & skf21("7","1","2","6","3","5","7","1") = "6"
    & skf21("7","1","2","6","3","6","1","1") = "6"
    & skf21("7","1","2","6","3","6","2","1") = "6"
    & skf21("7","1","2","6","3","6","3","1") = "6"
    & skf21("7","1","2","6","3","6","4","1") = "6"
    & skf21("7","1","2","6","3","6","5","1") = "6"
    & skf21("7","1","2","6","3","6","6","1") = "6"
    & skf21("7","1","2","6","3","6","7","1") = "6"
    & skf21("7","1","2","6","3","7","1","1") = "6"
    & skf21("7","1","2","6","3","7","2","1") = "6"
    & skf21("7","1","2","6","3","7","3","1") = "6"
    & skf21("7","1","2","6","3","7","4","1") = "6"
    & skf21("7","1","2","6","3","7","5","1") = "6"
    & skf21("7","1","2","6","3","7","6","1") = "6"
    & skf21("7","1","2","6","3","7","7","1") = "6"
    & skf21("7","1","2","6","4","1","1","1") = "6"
    & skf21("7","1","2","6","4","1","2","1") = "6"
    & skf21("7","1","2","6","4","1","3","1") = "6"
    & skf21("7","1","2","6","4","1","4","1") = "6"
    & skf21("7","1","2","6","4","1","5","1") = "6"
    & skf21("7","1","2","6","4","1","6","1") = "6"
    & skf21("7","1","2","6","4","1","7","1") = "6"
    & skf21("7","1","2","6","4","2","1","1") = "6"
    & skf21("7","1","2","6","4","2","2","1") = "6"
    & skf21("7","1","2","6","4","2","3","1") = "6"
    & skf21("7","1","2","6","4","2","4","1") = "6"
    & skf21("7","1","2","6","4","2","5","1") = "6"
    & skf21("7","1","2","6","4","2","6","1") = "6"
    & skf21("7","1","2","6","4","2","7","1") = "6"
    & skf21("7","1","2","6","4","3","1","1") = "6"
    & skf21("7","1","2","6","4","3","2","1") = "6"
    & skf21("7","1","2","6","4","3","3","1") = "6"
    & skf21("7","1","2","6","4","3","4","1") = "6"
    & skf21("7","1","2","6","4","3","5","1") = "6"
    & skf21("7","1","2","6","4","3","6","1") = "6"
    & skf21("7","1","2","6","4","3","7","1") = "6"
    & skf21("7","1","2","6","4","4","1","1") = "6"
    & skf21("7","1","2","6","4","4","2","1") = "6"
    & skf21("7","1","2","6","4","4","3","1") = "6"
    & skf21("7","1","2","6","4","4","4","1") = "6"
    & skf21("7","1","2","6","4","4","5","1") = "6"
    & skf21("7","1","2","6","4","4","6","1") = "6"
    & skf21("7","1","2","6","4","4","7","1") = "6"
    & skf21("7","1","2","6","4","5","1","1") = "6"
    & skf21("7","1","2","6","4","5","2","1") = "6"
    & skf21("7","1","2","6","4","5","3","1") = "6"
    & skf21("7","1","2","6","4","5","4","1") = "6"
    & skf21("7","1","2","6","4","5","5","1") = "6"
    & skf21("7","1","2","6","4","5","6","1") = "6"
    & skf21("7","1","2","6","4","5","7","1") = "6"
    & skf21("7","1","2","6","4","6","1","1") = "6"
    & skf21("7","1","2","6","4","6","2","1") = "6"
    & skf21("7","1","2","6","4","6","3","1") = "6"
    & skf21("7","1","2","6","4","6","4","1") = "6"
    & skf21("7","1","2","6","4","6","5","1") = "6"
    & skf21("7","1","2","6","4","6","6","1") = "6"
    & skf21("7","1","2","6","4","6","7","1") = "6"
    & skf21("7","1","2","6","4","7","1","1") = "6"
    & skf21("7","1","2","6","4","7","2","1") = "6"
    & skf21("7","1","2","6","4","7","3","1") = "6"
    & skf21("7","1","2","6","4","7","4","1") = "6"
    & skf21("7","1","2","6","4","7","5","1") = "6"
    & skf21("7","1","2","6","4","7","6","1") = "6"
    & skf21("7","1","2","6","4","7","7","1") = "6"
    & skf21("7","1","2","6","5","1","1","1") = "6"
    & skf21("7","1","2","6","5","1","2","1") = "6"
    & skf21("7","1","2","6","5","1","3","1") = "6"
    & skf21("7","1","2","6","5","1","4","1") = "6"
    & skf21("7","1","2","6","5","1","5","1") = "6"
    & skf21("7","1","2","6","5","1","6","1") = "6"
    & skf21("7","1","2","6","5","1","7","1") = "6"
    & skf21("7","1","2","6","5","2","1","1") = "6"
    & skf21("7","1","2","6","5","2","2","1") = "6"
    & skf21("7","1","2","6","5","2","3","1") = "6"
    & skf21("7","1","2","6","5","2","4","1") = "6"
    & skf21("7","1","2","6","5","2","5","1") = "6"
    & skf21("7","1","2","6","5","2","6","1") = "6"
    & skf21("7","1","2","6","5","2","7","1") = "6"
    & skf21("7","1","2","6","5","3","1","1") = "6"
    & skf21("7","1","2","6","5","3","2","1") = "6"
    & skf21("7","1","2","6","5","3","3","1") = "6"
    & skf21("7","1","2","6","5","3","4","1") = "6"
    & skf21("7","1","2","6","5","3","5","1") = "6"
    & skf21("7","1","2","6","5","3","6","1") = "6"
    & skf21("7","1","2","6","5","3","7","1") = "6"
    & skf21("7","1","2","6","5","4","1","1") = "6"
    & skf21("7","1","2","6","5","4","2","1") = "6"
    & skf21("7","1","2","6","5","4","3","1") = "6"
    & skf21("7","1","2","6","5","4","4","1") = "6"
    & skf21("7","1","2","6","5","4","5","1") = "6"
    & skf21("7","1","2","6","5","4","6","1") = "6"
    & skf21("7","1","2","6","5","4","7","1") = "6"
    & skf21("7","1","2","6","5","5","1","1") = "6"
    & skf21("7","1","2","6","5","5","2","1") = "6"
    & skf21("7","1","2","6","5","5","3","1") = "6"
    & skf21("7","1","2","6","5","5","4","1") = "6"
    & skf21("7","1","2","6","5","5","5","1") = "6"
    & skf21("7","1","2","6","5","5","6","1") = "6"
    & skf21("7","1","2","6","5","5","7","1") = "6"
    & skf21("7","1","2","6","5","6","1","1") = "6"
    & skf21("7","1","2","6","5","6","2","1") = "6"
    & skf21("7","1","2","6","5","6","3","1") = "6"
    & skf21("7","1","2","6","5","6","4","1") = "6"
    & skf21("7","1","2","6","5","6","5","1") = "6"
    & skf21("7","1","2","6","5","6","6","1") = "6"
    & skf21("7","1","2","6","5","6","7","1") = "6"
    & skf21("7","1","2","6","5","7","1","1") = "6"
    & skf21("7","1","2","6","5","7","2","1") = "6"
    & skf21("7","1","2","6","5","7","3","1") = "6"
    & skf21("7","1","2","6","5","7","4","1") = "6"
    & skf21("7","1","2","6","5","7","5","1") = "6"
    & skf21("7","1","2","6","5","7","6","1") = "6"
    & skf21("7","1","2","6","5","7","7","1") = "6"
    & skf21("7","1","2","6","6","1","1","1") = "6"
    & skf21("7","1","2","6","6","1","2","1") = "6"
    & skf21("7","1","2","6","6","1","3","1") = "6"
    & skf21("7","1","2","6","6","1","4","1") = "6"
    & skf21("7","1","2","6","6","1","5","1") = "6"
    & skf21("7","1","2","6","6","1","6","1") = "6"
    & skf21("7","1","2","6","6","1","7","1") = "6"
    & skf21("7","1","2","6","6","2","1","1") = "6"
    & skf21("7","1","2","6","6","2","2","1") = "6"
    & skf21("7","1","2","6","6","2","3","1") = "6"
    & skf21("7","1","2","6","6","2","4","1") = "6"
    & skf21("7","1","2","6","6","2","5","1") = "6"
    & skf21("7","1","2","6","6","2","6","1") = "6"
    & skf21("7","1","2","6","6","2","7","1") = "6"
    & skf21("7","1","2","6","6","3","1","1") = "6"
    & skf21("7","1","2","6","6","3","2","1") = "6"
    & skf21("7","1","2","6","6","3","3","1") = "6"
    & skf21("7","1","2","6","6","3","4","1") = "6"
    & skf21("7","1","2","6","6","3","5","1") = "6"
    & skf21("7","1","2","6","6","3","6","1") = "6"
    & skf21("7","1","2","6","6","3","7","1") = "6"
    & skf21("7","1","2","6","6","4","1","1") = "6"
    & skf21("7","1","2","6","6","4","2","1") = "6"
    & skf21("7","1","2","6","6","4","3","1") = "6"
    & skf21("7","1","2","6","6","4","4","1") = "6"
    & skf21("7","1","2","6","6","4","5","1") = "6"
    & skf21("7","1","2","6","6","4","6","1") = "6"
    & skf21("7","1","2","6","6","4","7","1") = "6"
    & skf21("7","1","2","6","6","5","1","1") = "6"
    & skf21("7","1","2","6","6","5","2","1") = "6"
    & skf21("7","1","2","6","6","5","3","1") = "6"
    & skf21("7","1","2","6","6","5","4","1") = "6"
    & skf21("7","1","2","6","6","5","5","1") = "6"
    & skf21("7","1","2","6","6","5","6","1") = "6"
    & skf21("7","1","2","6","6","5","7","1") = "6"
    & skf21("7","1","2","6","6","6","1","1") = "6"
    & skf21("7","1","2","6","6","6","2","1") = "6"
    & skf21("7","1","2","6","6","6","3","1") = "6"
    & skf21("7","1","2","6","6","6","4","1") = "6"
    & skf21("7","1","2","6","6","6","5","1") = "6"
    & skf21("7","1","2","6","6","6","6","1") = "6"
    & skf21("7","1","2","6","6","6","7","1") = "6"
    & skf21("7","1","2","6","6","7","1","1") = "6"
    & skf21("7","1","2","6","6","7","2","1") = "6"
    & skf21("7","1","2","6","6","7","3","1") = "6"
    & skf21("7","1","2","6","6","7","4","1") = "6"
    & skf21("7","1","2","6","6","7","5","1") = "6"
    & skf21("7","1","2","6","6","7","6","1") = "6"
    & skf21("7","1","2","6","6","7","7","1") = "6"
    & skf21("7","1","2","6","7","1","1","1") = "6"
    & skf21("7","1","2","6","7","1","2","1") = "6"
    & skf21("7","1","2","6","7","1","3","1") = "6"
    & skf21("7","1","2","6","7","1","4","1") = "6"
    & skf21("7","1","2","6","7","1","5","1") = "6"
    & skf21("7","1","2","6","7","1","6","1") = "6"
    & skf21("7","1","2","6","7","1","7","1") = "6"
    & skf21("7","1","2","6","7","2","1","1") = "6"
    & skf21("7","1","2","6","7","2","2","1") = "6"
    & skf21("7","1","2","6","7","2","3","1") = "6"
    & skf21("7","1","2","6","7","2","4","1") = "6"
    & skf21("7","1","2","6","7","2","5","1") = "6"
    & skf21("7","1","2","6","7","2","6","1") = "6"
    & skf21("7","1","2","6","7","2","7","1") = "6"
    & skf21("7","1","2","6","7","3","1","1") = "6"
    & skf21("7","1","2","6","7","3","2","1") = "6"
    & skf21("7","1","2","6","7","3","3","1") = "6"
    & skf21("7","1","2","6","7","3","4","1") = "6"
    & skf21("7","1","2","6","7","3","5","1") = "6"
    & skf21("7","1","2","6","7","3","6","1") = "6"
    & skf21("7","1","2","6","7","3","7","1") = "6"
    & skf21("7","1","2","6","7","4","1","1") = "6"
    & skf21("7","1","2","6","7","4","2","1") = "6"
    & skf21("7","1","2","6","7","4","3","1") = "6"
    & skf21("7","1","2","6","7","4","4","1") = "6"
    & skf21("7","1","2","6","7","4","5","1") = "6"
    & skf21("7","1","2","6","7","4","6","1") = "6"
    & skf21("7","1","2","6","7","4","7","1") = "6"
    & skf21("7","1","2","6","7","5","1","1") = "6"
    & skf21("7","1","2","6","7","5","2","1") = "6"
    & skf21("7","1","2","6","7","5","3","1") = "6"
    & skf21("7","1","2","6","7","5","4","1") = "6"
    & skf21("7","1","2","6","7","5","5","1") = "6"
    & skf21("7","1","2","6","7","5","6","1") = "6"
    & skf21("7","1","2","6","7","5","7","1") = "6"
    & skf21("7","1","2","6","7","6","1","1") = "6"
    & skf21("7","1","2","6","7","6","2","1") = "6"
    & skf21("7","1","2","6","7","6","3","1") = "6"
    & skf21("7","1","2","6","7","6","4","1") = "6"
    & skf21("7","1","2","6","7","6","5","1") = "6"
    & skf21("7","1","2","6","7","6","6","1") = "6"
    & skf21("7","1","2","6","7","6","7","1") = "6"
    & skf21("7","1","2","6","7","7","1","1") = "6"
    & skf21("7","1","2","6","7","7","2","1") = "6"
    & skf21("7","1","2","6","7","7","3","1") = "6"
    & skf21("7","1","2","6","7","7","4","1") = "6"
    & skf21("7","1","2","6","7","7","5","1") = "6"
    & skf21("7","1","2","6","7","7","6","1") = "6"
    & skf21("7","1","2","6","7","7","7","1") = "6"
    & skf21("7","1","2","7","1","1","1","1") = "6"
    & skf21("7","1","2","7","1","1","2","1") = "6"
    & skf21("7","1","2","7","1","1","3","1") = "6"
    & skf21("7","1","2","7","1","1","4","1") = "6"
    & skf21("7","1","2","7","1","1","5","1") = "6"
    & skf21("7","1","2","7","1","1","6","1") = "6"
    & skf21("7","1","2","7","1","1","7","1") = "6"
    & skf21("7","1","2","7","1","2","1","1") = "6"
    & skf21("7","1","2","7","1","2","2","1") = "6"
    & skf21("7","1","2","7","1","2","3","1") = "6"
    & skf21("7","1","2","7","1","2","4","1") = "6"
    & skf21("7","1","2","7","1","2","5","1") = "6"
    & skf21("7","1","2","7","1","2","6","1") = "6"
    & skf21("7","1","2","7","1","2","7","1") = "6"
    & skf21("7","1","2","7","1","3","1","1") = "6"
    & skf21("7","1","2","7","1","3","2","1") = "6"
    & skf21("7","1","2","7","1","3","3","1") = "6"
    & skf21("7","1","2","7","1","3","4","1") = "6"
    & skf21("7","1","2","7","1","3","5","1") = "6"
    & skf21("7","1","2","7","1","3","6","1") = "6"
    & skf21("7","1","2","7","1","3","7","1") = "6"
    & skf21("7","1","2","7","1","4","1","1") = "6"
    & skf21("7","1","2","7","1","4","2","1") = "6"
    & skf21("7","1","2","7","1","4","3","1") = "6"
    & skf21("7","1","2","7","1","4","4","1") = "6"
    & skf21("7","1","2","7","1","4","5","1") = "6"
    & skf21("7","1","2","7","1","4","6","1") = "6"
    & skf21("7","1","2","7","1","4","7","1") = "6"
    & skf21("7","1","2","7","1","5","1","1") = "6"
    & skf21("7","1","2","7","1","5","2","1") = "6"
    & skf21("7","1","2","7","1","5","3","1") = "6"
    & skf21("7","1","2","7","1","5","4","1") = "6"
    & skf21("7","1","2","7","1","5","5","1") = "6"
    & skf21("7","1","2","7","1","5","6","1") = "6"
    & skf21("7","1","2","7","1","5","7","1") = "6"
    & skf21("7","1","2","7","1","6","1","1") = "6"
    & skf21("7","1","2","7","1","6","2","1") = "6"
    & skf21("7","1","2","7","1","6","3","1") = "6"
    & skf21("7","1","2","7","1","6","4","1") = "6"
    & skf21("7","1","2","7","1","6","5","1") = "6"
    & skf21("7","1","2","7","1","6","6","1") = "6"
    & skf21("7","1","2","7","1","6","7","1") = "6"
    & skf21("7","1","2","7","1","7","1","1") = "6"
    & skf21("7","1","2","7","1","7","2","1") = "6"
    & skf21("7","1","2","7","1","7","3","1") = "6"
    & skf21("7","1","2","7","1","7","4","1") = "6"
    & skf21("7","1","2","7","1","7","5","1") = "6"
    & skf21("7","1","2","7","1","7","6","1") = "6"
    & skf21("7","1","2","7","1","7","7","1") = "6"
    & skf21("7","1","2","7","2","1","1","1") = "6"
    & skf21("7","1","2","7","2","1","2","1") = "6"
    & skf21("7","1","2","7","2","1","3","1") = "6"
    & skf21("7","1","2","7","2","1","4","1") = "6"
    & skf21("7","1","2","7","2","1","5","1") = "6"
    & skf21("7","1","2","7","2","1","6","1") = "6"
    & skf21("7","1","2","7","2","1","7","1") = "6"
    & skf21("7","1","2","7","2","2","1","1") = "6"
    & skf21("7","1","2","7","2","2","2","1") = "6"
    & skf21("7","1","2","7","2","2","3","1") = "6"
    & skf21("7","1","2","7","2","2","4","1") = "6"
    & skf21("7","1","2","7","2","2","5","1") = "6"
    & skf21("7","1","2","7","2","2","6","1") = "6"
    & skf21("7","1","2","7","2","2","7","1") = "6"
    & skf21("7","1","2","7","2","3","1","1") = "6"
    & skf21("7","1","2","7","2","3","2","1") = "6"
    & skf21("7","1","2","7","2","3","3","1") = "6"
    & skf21("7","1","2","7","2","3","4","1") = "6"
    & skf21("7","1","2","7","2","3","5","1") = "6"
    & skf21("7","1","2","7","2","3","6","1") = "6"
    & skf21("7","1","2","7","2","3","7","1") = "6"
    & skf21("7","1","2","7","2","4","1","1") = "6"
    & skf21("7","1","2","7","2","4","2","1") = "6"
    & skf21("7","1","2","7","2","4","3","1") = "6"
    & skf21("7","1","2","7","2","4","4","1") = "6"
    & skf21("7","1","2","7","2","4","5","1") = "6"
    & skf21("7","1","2","7","2","4","6","1") = "6"
    & skf21("7","1","2","7","2","4","7","1") = "6"
    & skf21("7","1","2","7","2","5","1","1") = "6"
    & skf21("7","1","2","7","2","5","2","1") = "6"
    & skf21("7","1","2","7","2","5","3","1") = "6"
    & skf21("7","1","2","7","2","5","4","1") = "6"
    & skf21("7","1","2","7","2","5","5","1") = "6"
    & skf21("7","1","2","7","2","5","6","1") = "6"
    & skf21("7","1","2","7","2","5","7","1") = "6"
    & skf21("7","1","2","7","2","6","1","1") = "6"
    & skf21("7","1","2","7","2","6","2","1") = "6"
    & skf21("7","1","2","7","2","6","3","1") = "6"
    & skf21("7","1","2","7","2","6","4","1") = "6"
    & skf21("7","1","2","7","2","6","5","1") = "6"
    & skf21("7","1","2","7","2","6","6","1") = "6"
    & skf21("7","1","2","7","2","6","7","1") = "6"
    & skf21("7","1","2","7","2","7","1","1") = "6"
    & skf21("7","1","2","7","2","7","2","1") = "6"
    & skf21("7","1","2","7","2","7","3","1") = "6"
    & skf21("7","1","2","7","2","7","4","1") = "6"
    & skf21("7","1","2","7","2","7","5","1") = "6"
    & skf21("7","1","2","7","2","7","6","1") = "6"
    & skf21("7","1","2","7","2","7","7","1") = "6"
    & skf21("7","1","2","7","3","1","1","1") = "6"
    & skf21("7","1","2","7","3","1","2","1") = "6"
    & skf21("7","1","2","7","3","1","3","1") = "6"
    & skf21("7","1","2","7","3","1","4","1") = "6"
    & skf21("7","1","2","7","3","1","5","1") = "6"
    & skf21("7","1","2","7","3","1","6","1") = "6"
    & skf21("7","1","2","7","3","1","7","1") = "6"
    & skf21("7","1","2","7","3","2","1","1") = "6"
    & skf21("7","1","2","7","3","2","2","1") = "6"
    & skf21("7","1","2","7","3","2","3","1") = "6"
    & skf21("7","1","2","7","3","2","4","1") = "6"
    & skf21("7","1","2","7","3","2","5","1") = "6"
    & skf21("7","1","2","7","3","2","6","1") = "6"
    & skf21("7","1","2","7","3","2","7","1") = "6"
    & skf21("7","1","2","7","3","3","1","1") = "6"
    & skf21("7","1","2","7","3","3","2","1") = "6"
    & skf21("7","1","2","7","3","3","3","1") = "6"
    & skf21("7","1","2","7","3","3","4","1") = "6"
    & skf21("7","1","2","7","3","3","5","1") = "6"
    & skf21("7","1","2","7","3","3","6","1") = "6"
    & skf21("7","1","2","7","3","3","7","1") = "6"
    & skf21("7","1","2","7","3","4","1","1") = "6"
    & skf21("7","1","2","7","3","4","2","1") = "6"
    & skf21("7","1","2","7","3","4","3","1") = "6"
    & skf21("7","1","2","7","3","4","4","1") = "6"
    & skf21("7","1","2","7","3","4","5","1") = "6"
    & skf21("7","1","2","7","3","4","6","1") = "6"
    & skf21("7","1","2","7","3","4","7","1") = "6"
    & skf21("7","1","2","7","3","5","1","1") = "6"
    & skf21("7","1","2","7","3","5","2","1") = "6"
    & skf21("7","1","2","7","3","5","3","1") = "6"
    & skf21("7","1","2","7","3","5","4","1") = "6"
    & skf21("7","1","2","7","3","5","5","1") = "6"
    & skf21("7","1","2","7","3","5","6","1") = "6"
    & skf21("7","1","2","7","3","5","7","1") = "6"
    & skf21("7","1","2","7","3","6","1","1") = "6"
    & skf21("7","1","2","7","3","6","2","1") = "6"
    & skf21("7","1","2","7","3","6","3","1") = "6"
    & skf21("7","1","2","7","3","6","4","1") = "6"
    & skf21("7","1","2","7","3","6","5","1") = "6"
    & skf21("7","1","2","7","3","6","6","1") = "6"
    & skf21("7","1","2","7","3","6","7","1") = "6"
    & skf21("7","1","2","7","3","7","1","1") = "6"
    & skf21("7","1","2","7","3","7","2","1") = "6"
    & skf21("7","1","2","7","3","7","3","1") = "6"
    & skf21("7","1","2","7","3","7","4","1") = "6"
    & skf21("7","1","2","7","3","7","5","1") = "6"
    & skf21("7","1","2","7","3","7","6","1") = "6"
    & skf21("7","1","2","7","3","7","7","1") = "6"
    & skf21("7","1","2","7","4","1","1","1") = "6"
    & skf21("7","1","2","7","4","1","2","1") = "6"
    & skf21("7","1","2","7","4","1","3","1") = "6"
    & skf21("7","1","2","7","4","1","4","1") = "6"
    & skf21("7","1","2","7","4","1","5","1") = "6"
    & skf21("7","1","2","7","4","1","6","1") = "6"
    & skf21("7","1","2","7","4","1","7","1") = "6"
    & skf21("7","1","2","7","4","2","1","1") = "6"
    & skf21("7","1","2","7","4","2","2","1") = "6"
    & skf21("7","1","2","7","4","2","3","1") = "6"
    & skf21("7","1","2","7","4","2","4","1") = "6"
    & skf21("7","1","2","7","4","2","5","1") = "6"
    & skf21("7","1","2","7","4","2","6","1") = "6"
    & skf21("7","1","2","7","4","2","7","1") = "6"
    & skf21("7","1","2","7","4","3","1","1") = "6"
    & skf21("7","1","2","7","4","3","2","1") = "6"
    & skf21("7","1","2","7","4","3","3","1") = "6"
    & skf21("7","1","2","7","4","3","4","1") = "6"
    & skf21("7","1","2","7","4","3","5","1") = "6"
    & skf21("7","1","2","7","4","3","6","1") = "6"
    & skf21("7","1","2","7","4","3","7","1") = "6"
    & skf21("7","1","2","7","4","4","1","1") = "6"
    & skf21("7","1","2","7","4","4","2","1") = "6"
    & skf21("7","1","2","7","4","4","3","1") = "6"
    & skf21("7","1","2","7","4","4","4","1") = "6"
    & skf21("7","1","2","7","4","4","5","1") = "6"
    & skf21("7","1","2","7","4","4","6","1") = "6"
    & skf21("7","1","2","7","4","4","7","1") = "6"
    & skf21("7","1","2","7","4","5","1","1") = "6"
    & skf21("7","1","2","7","4","5","2","1") = "6"
    & skf21("7","1","2","7","4","5","3","1") = "6"
    & skf21("7","1","2","7","4","5","4","1") = "6"
    & skf21("7","1","2","7","4","5","5","1") = "6"
    & skf21("7","1","2","7","4","5","6","1") = "6"
    & skf21("7","1","2","7","4","5","7","1") = "6"
    & skf21("7","1","2","7","4","6","1","1") = "6"
    & skf21("7","1","2","7","4","6","2","1") = "6"
    & skf21("7","1","2","7","4","6","3","1") = "6"
    & skf21("7","1","2","7","4","6","4","1") = "6"
    & skf21("7","1","2","7","4","6","5","1") = "6"
    & skf21("7","1","2","7","4","6","6","1") = "6"
    & skf21("7","1","2","7","4","6","7","1") = "6"
    & skf21("7","1","2","7","4","7","1","1") = "6"
    & skf21("7","1","2","7","4","7","2","1") = "6"
    & skf21("7","1","2","7","4","7","3","1") = "6"
    & skf21("7","1","2","7","4","7","4","1") = "6"
    & skf21("7","1","2","7","4","7","5","1") = "6"
    & skf21("7","1","2","7","4","7","6","1") = "6"
    & skf21("7","1","2","7","4","7","7","1") = "6"
    & skf21("7","1","2","7","5","1","1","1") = "6"
    & skf21("7","1","2","7","5","1","2","1") = "6"
    & skf21("7","1","2","7","5","1","3","1") = "6"
    & skf21("7","1","2","7","5","1","4","1") = "6"
    & skf21("7","1","2","7","5","1","5","1") = "6"
    & skf21("7","1","2","7","5","1","6","1") = "6"
    & skf21("7","1","2","7","5","1","7","1") = "6"
    & skf21("7","1","2","7","5","2","1","1") = "6"
    & skf21("7","1","2","7","5","2","2","1") = "6"
    & skf21("7","1","2","7","5","2","3","1") = "6"
    & skf21("7","1","2","7","5","2","4","1") = "6"
    & skf21("7","1","2","7","5","2","5","1") = "6"
    & skf21("7","1","2","7","5","2","6","1") = "6"
    & skf21("7","1","2","7","5","2","7","1") = "6"
    & skf21("7","1","2","7","5","3","1","1") = "6"
    & skf21("7","1","2","7","5","3","2","1") = "6"
    & skf21("7","1","2","7","5","3","3","1") = "6"
    & skf21("7","1","2","7","5","3","4","1") = "6"
    & skf21("7","1","2","7","5","3","5","1") = "6"
    & skf21("7","1","2","7","5","3","6","1") = "6"
    & skf21("7","1","2","7","5","3","7","1") = "6"
    & skf21("7","1","2","7","5","4","1","1") = "6"
    & skf21("7","1","2","7","5","4","2","1") = "6"
    & skf21("7","1","2","7","5","4","3","1") = "6"
    & skf21("7","1","2","7","5","4","4","1") = "6"
    & skf21("7","1","2","7","5","4","5","1") = "6"
    & skf21("7","1","2","7","5","4","6","1") = "6"
    & skf21("7","1","2","7","5","4","7","1") = "6"
    & skf21("7","1","2","7","5","5","1","1") = "6"
    & skf21("7","1","2","7","5","5","2","1") = "6"
    & skf21("7","1","2","7","5","5","3","1") = "6"
    & skf21("7","1","2","7","5","5","4","1") = "6"
    & skf21("7","1","2","7","5","5","5","1") = "6"
    & skf21("7","1","2","7","5","5","6","1") = "6"
    & skf21("7","1","2","7","5","5","7","1") = "6"
    & skf21("7","1","2","7","5","6","1","1") = "6"
    & skf21("7","1","2","7","5","6","2","1") = "6"
    & skf21("7","1","2","7","5","6","3","1") = "6"
    & skf21("7","1","2","7","5","6","4","1") = "6"
    & skf21("7","1","2","7","5","6","5","1") = "6"
    & skf21("7","1","2","7","5","6","6","1") = "6"
    & skf21("7","1","2","7","5","6","7","1") = "6"
    & skf21("7","1","2","7","5","7","1","1") = "6"
    & skf21("7","1","2","7","5","7","2","1") = "6"
    & skf21("7","1","2","7","5","7","3","1") = "6"
    & skf21("7","1","2","7","5","7","4","1") = "6"
    & skf21("7","1","2","7","5","7","5","1") = "6"
    & skf21("7","1","2","7","5","7","6","1") = "6"
    & skf21("7","1","2","7","5","7","7","1") = "6"
    & skf21("7","1","2","7","6","1","1","1") = "6"
    & skf21("7","1","2","7","6","1","2","1") = "6"
    & skf21("7","1","2","7","6","1","3","1") = "6"
    & skf21("7","1","2","7","6","1","4","1") = "6"
    & skf21("7","1","2","7","6","1","5","1") = "6"
    & skf21("7","1","2","7","6","1","6","1") = "6"
    & skf21("7","1","2","7","6","1","7","1") = "6"
    & skf21("7","1","2","7","6","2","1","1") = "6"
    & skf21("7","1","2","7","6","2","2","1") = "6"
    & skf21("7","1","2","7","6","2","3","1") = "6"
    & skf21("7","1","2","7","6","2","4","1") = "6"
    & skf21("7","1","2","7","6","2","5","1") = "6"
    & skf21("7","1","2","7","6","2","6","1") = "6"
    & skf21("7","1","2","7","6","2","7","1") = "6"
    & skf21("7","1","2","7","6","3","1","1") = "6"
    & skf21("7","1","2","7","6","3","2","1") = "6"
    & skf21("7","1","2","7","6","3","3","1") = "6"
    & skf21("7","1","2","7","6","3","4","1") = "6"
    & skf21("7","1","2","7","6","3","5","1") = "6"
    & skf21("7","1","2","7","6","3","6","1") = "6"
    & skf21("7","1","2","7","6","3","7","1") = "6"
    & skf21("7","1","2","7","6","4","1","1") = "6"
    & skf21("7","1","2","7","6","4","2","1") = "6"
    & skf21("7","1","2","7","6","4","3","1") = "6"
    & skf21("7","1","2","7","6","4","4","1") = "6"
    & skf21("7","1","2","7","6","4","5","1") = "6"
    & skf21("7","1","2","7","6","4","6","1") = "6"
    & skf21("7","1","2","7","6","4","7","1") = "6"
    & skf21("7","1","2","7","6","5","1","1") = "6"
    & skf21("7","1","2","7","6","5","2","1") = "6"
    & skf21("7","1","2","7","6","5","3","1") = "6"
    & skf21("7","1","2","7","6","5","4","1") = "6"
    & skf21("7","1","2","7","6","5","5","1") = "6"
    & skf21("7","1","2","7","6","5","6","1") = "6"
    & skf21("7","1","2","7","6","5","7","1") = "6"
    & skf21("7","1","2","7","6","6","1","1") = "6"
    & skf21("7","1","2","7","6","6","2","1") = "6"
    & skf21("7","1","2","7","6","6","3","1") = "6"
    & skf21("7","1","2","7","6","6","4","1") = "6"
    & skf21("7","1","2","7","6","6","5","1") = "6"
    & skf21("7","1","2","7","6","6","6","1") = "6"
    & skf21("7","1","2","7","6","6","7","1") = "6"
    & skf21("7","1","2","7","6","7","1","1") = "6"
    & skf21("7","1","2","7","6","7","2","1") = "6"
    & skf21("7","1","2","7","6","7","3","1") = "6"
    & skf21("7","1","2","7","6","7","4","1") = "6"
    & skf21("7","1","2","7","6","7","5","1") = "6"
    & skf21("7","1","2","7","6","7","6","1") = "6"
    & skf21("7","1","2","7","6","7","7","1") = "6"
    & skf21("7","1","2","7","7","1","1","1") = "6"
    & skf21("7","1","2","7","7","1","2","1") = "6"
    & skf21("7","1","2","7","7","1","3","1") = "6"
    & skf21("7","1","2","7","7","1","4","1") = "6"
    & skf21("7","1","2","7","7","1","5","1") = "6"
    & skf21("7","1","2","7","7","1","6","1") = "6"
    & skf21("7","1","2","7","7","1","7","1") = "6"
    & skf21("7","1","2","7","7","2","1","1") = "6"
    & skf21("7","1","2","7","7","2","2","1") = "6"
    & skf21("7","1","2","7","7","2","3","1") = "6"
    & skf21("7","1","2","7","7","2","4","1") = "6"
    & skf21("7","1","2","7","7","2","5","1") = "6"
    & skf21("7","1","2","7","7","2","6","1") = "6"
    & skf21("7","1","2","7","7","2","7","1") = "6"
    & skf21("7","1","2","7","7","3","1","1") = "6"
    & skf21("7","1","2","7","7","3","2","1") = "6"
    & skf21("7","1","2","7","7","3","3","1") = "6"
    & skf21("7","1","2","7","7","3","4","1") = "6"
    & skf21("7","1","2","7","7","3","5","1") = "6"
    & skf21("7","1","2","7","7","3","6","1") = "6"
    & skf21("7","1","2","7","7","3","7","1") = "6"
    & skf21("7","1","2","7","7","4","1","1") = "6"
    & skf21("7","1","2","7","7","4","2","1") = "6"
    & skf21("7","1","2","7","7","4","3","1") = "6"
    & skf21("7","1","2","7","7","4","4","1") = "6"
    & skf21("7","1","2","7","7","4","5","1") = "6"
    & skf21("7","1","2","7","7","4","6","1") = "6"
    & skf21("7","1","2","7","7","4","7","1") = "6"
    & skf21("7","1","2","7","7","5","1","1") = "6"
    & skf21("7","1","2","7","7","5","2","1") = "6"
    & skf21("7","1","2","7","7","5","3","1") = "6"
    & skf21("7","1","2","7","7","5","4","1") = "6"
    & skf21("7","1","2","7","7","5","5","1") = "6"
    & skf21("7","1","2","7","7","5","6","1") = "6"
    & skf21("7","1","2","7","7","5","7","1") = "6"
    & skf21("7","1","2","7","7","6","1","1") = "6"
    & skf21("7","1","2","7","7","6","2","1") = "6"
    & skf21("7","1","2","7","7","6","3","1") = "6"
    & skf21("7","1","2","7","7","6","4","1") = "6"
    & skf21("7","1","2","7","7","6","5","1") = "6"
    & skf21("7","1","2","7","7","6","6","1") = "6"
    & skf21("7","1","2","7","7","6","7","1") = "6"
    & skf21("7","1","2","7","7","7","1","1") = "6"
    & skf21("7","1","2","7","7","7","2","1") = "6"
    & skf21("7","1","2","7","7","7","3","1") = "6"
    & skf21("7","1","2","7","7","7","4","1") = "6"
    & skf21("7","1","2","7","7","7","5","1") = "6"
    & skf21("7","1","2","7","7","7","6","1") = "6"
    & skf21("7","1","2","7","7","7","7","1") = "6"
    & skf21("7","1","3","1","1","1","1","1") = "6"
    & skf21("7","1","3","1","1","1","2","1") = "6"
    & skf21("7","1","3","1","1","1","3","1") = "6"
    & skf21("7","1","3","1","1","1","4","1") = "6"
    & skf21("7","1","3","1","1","1","5","1") = "6"
    & skf21("7","1","3","1","1","1","6","1") = "6"
    & skf21("7","1","3","1","1","1","7","1") = "6"
    & skf21("7","1","3","1","1","2","1","1") = "6"
    & skf21("7","1","3","1","1","2","2","1") = "6"
    & skf21("7","1","3","1","1","2","3","1") = "6"
    & skf21("7","1","3","1","1","2","4","1") = "6"
    & skf21("7","1","3","1","1","2","5","1") = "6"
    & skf21("7","1","3","1","1","2","6","1") = "6"
    & skf21("7","1","3","1","1","2","7","1") = "6"
    & skf21("7","1","3","1","1","3","1","1") = "6"
    & skf21("7","1","3","1","1","3","2","1") = "6"
    & skf21("7","1","3","1","1","3","3","1") = "6"
    & skf21("7","1","3","1","1","3","4","1") = "6"
    & skf21("7","1","3","1","1","3","5","1") = "6"
    & skf21("7","1","3","1","1","3","6","1") = "6"
    & skf21("7","1","3","1","1","3","7","1") = "6"
    & skf21("7","1","3","1","1","4","1","1") = "6"
    & skf21("7","1","3","1","1","4","2","1") = "6"
    & skf21("7","1","3","1","1","4","3","1") = "6"
    & skf21("7","1","3","1","1","4","4","1") = "6"
    & skf21("7","1","3","1","1","4","5","1") = "6"
    & skf21("7","1","3","1","1","4","6","1") = "6"
    & skf21("7","1","3","1","1","4","7","1") = "6"
    & skf21("7","1","3","1","1","5","1","1") = "6"
    & skf21("7","1","3","1","1","5","2","1") = "6"
    & skf21("7","1","3","1","1","5","3","1") = "6"
    & skf21("7","1","3","1","1","5","4","1") = "6"
    & skf21("7","1","3","1","1","5","5","1") = "6"
    & skf21("7","1","3","1","1","5","6","1") = "6"
    & skf21("7","1","3","1","1","5","7","1") = "6"
    & skf21("7","1","3","1","1","6","1","1") = "6"
    & skf21("7","1","3","1","1","6","2","1") = "6"
    & skf21("7","1","3","1","1","6","3","1") = "6"
    & skf21("7","1","3","1","1","6","4","1") = "6"
    & skf21("7","1","3","1","1","6","5","1") = "6"
    & skf21("7","1","3","1","1","6","6","1") = "6"
    & skf21("7","1","3","1","1","6","7","1") = "6"
    & skf21("7","1","3","1","1","7","1","1") = "6"
    & skf21("7","1","3","1","1","7","2","1") = "6"
    & skf21("7","1","3","1","1","7","3","1") = "6"
    & skf21("7","1","3","1","1","7","4","1") = "6"
    & skf21("7","1","3","1","1","7","5","1") = "6"
    & skf21("7","1","3","1","1","7","6","1") = "6"
    & skf21("7","1","3","1","1","7","7","1") = "6"
    & skf21("7","1","3","1","2","1","1","1") = "6"
    & skf21("7","1","3","1","2","1","2","1") = "6"
    & skf21("7","1","3","1","2","1","3","1") = "6"
    & skf21("7","1","3","1","2","1","4","1") = "6"
    & skf21("7","1","3","1","2","1","5","1") = "6"
    & skf21("7","1","3","1","2","1","6","1") = "6"
    & skf21("7","1","3","1","2","1","7","1") = "6"
    & skf21("7","1","3","1","2","2","1","1") = "6"
    & skf21("7","1","3","1","2","2","2","1") = "6"
    & skf21("7","1","3","1","2","2","3","1") = "6"
    & skf21("7","1","3","1","2","2","4","1") = "6"
    & skf21("7","1","3","1","2","2","5","1") = "6"
    & skf21("7","1","3","1","2","2","6","1") = "6"
    & skf21("7","1","3","1","2","2","7","1") = "6"
    & skf21("7","1","3","1","2","3","1","1") = "6"
    & skf21("7","1","3","1","2","3","2","1") = "6"
    & skf21("7","1","3","1","2","3","3","1") = "6"
    & skf21("7","1","3","1","2","3","4","1") = "6"
    & skf21("7","1","3","1","2","3","5","1") = "6"
    & skf21("7","1","3","1","2","3","6","1") = "6"
    & skf21("7","1","3","1","2","3","7","1") = "6"
    & skf21("7","1","3","1","2","4","1","1") = "6"
    & skf21("7","1","3","1","2","4","2","1") = "6"
    & skf21("7","1","3","1","2","4","3","1") = "6"
    & skf21("7","1","3","1","2","4","4","1") = "6"
    & skf21("7","1","3","1","2","4","5","1") = "6"
    & skf21("7","1","3","1","2","4","6","1") = "6"
    & skf21("7","1","3","1","2","4","7","1") = "6"
    & skf21("7","1","3","1","2","5","1","1") = "6"
    & skf21("7","1","3","1","2","5","2","1") = "6"
    & skf21("7","1","3","1","2","5","3","1") = "6"
    & skf21("7","1","3","1","2","5","4","1") = "6"
    & skf21("7","1","3","1","2","5","5","1") = "6"
    & skf21("7","1","3","1","2","5","6","1") = "6"
    & skf21("7","1","3","1","2","5","7","1") = "6"
    & skf21("7","1","3","1","2","6","1","1") = "6"
    & skf21("7","1","3","1","2","6","2","1") = "6"
    & skf21("7","1","3","1","2","6","3","1") = "6"
    & skf21("7","1","3","1","2","6","4","1") = "6"
    & skf21("7","1","3","1","2","6","5","1") = "6"
    & skf21("7","1","3","1","2","6","6","1") = "6"
    & skf21("7","1","3","1","2","6","7","1") = "6"
    & skf21("7","1","3","1","2","7","1","1") = "6"
    & skf21("7","1","3","1","2","7","2","1") = "6"
    & skf21("7","1","3","1","2","7","3","1") = "6"
    & skf21("7","1","3","1","2","7","4","1") = "6"
    & skf21("7","1","3","1","2","7","5","1") = "6"
    & skf21("7","1","3","1","2","7","6","1") = "6"
    & skf21("7","1","3","1","2","7","7","1") = "6"
    & skf21("7","1","3","1","3","1","1","1") = "6"
    & skf21("7","1","3","1","3","1","2","1") = "6"
    & skf21("7","1","3","1","3","1","3","1") = "6"
    & skf21("7","1","3","1","3","1","4","1") = "6"
    & skf21("7","1","3","1","3","1","5","1") = "6"
    & skf21("7","1","3","1","3","1","6","1") = "6"
    & skf21("7","1","3","1","3","1","7","1") = "6"
    & skf21("7","1","3","1","3","2","1","1") = "6"
    & skf21("7","1","3","1","3","2","2","1") = "6"
    & skf21("7","1","3","1","3","2","3","1") = "6"
    & skf21("7","1","3","1","3","2","4","1") = "6"
    & skf21("7","1","3","1","3","2","5","1") = "6"
    & skf21("7","1","3","1","3","2","6","1") = "6"
    & skf21("7","1","3","1","3","2","7","1") = "6"
    & skf21("7","1","3","1","3","3","1","1") = "6"
    & skf21("7","1","3","1","3","3","2","1") = "6"
    & skf21("7","1","3","1","3","3","3","1") = "6"
    & skf21("7","1","3","1","3","3","4","1") = "6"
    & skf21("7","1","3","1","3","3","5","1") = "6"
    & skf21("7","1","3","1","3","3","6","1") = "6"
    & skf21("7","1","3","1","3","3","7","1") = "6"
    & skf21("7","1","3","1","3","4","1","1") = "6"
    & skf21("7","1","3","1","3","4","2","1") = "6"
    & skf21("7","1","3","1","3","4","3","1") = "6"
    & skf21("7","1","3","1","3","4","4","1") = "6"
    & skf21("7","1","3","1","3","4","5","1") = "6"
    & skf21("7","1","3","1","3","4","6","1") = "6"
    & skf21("7","1","3","1","3","4","7","1") = "6"
    & skf21("7","1","3","1","3","5","1","1") = "6"
    & skf21("7","1","3","1","3","5","2","1") = "6"
    & skf21("7","1","3","1","3","5","3","1") = "6"
    & skf21("7","1","3","1","3","5","4","1") = "6"
    & skf21("7","1","3","1","3","5","5","1") = "6"
    & skf21("7","1","3","1","3","5","6","1") = "6"
    & skf21("7","1","3","1","3","5","7","1") = "6"
    & skf21("7","1","3","1","3","6","1","1") = "6"
    & skf21("7","1","3","1","3","6","2","1") = "6"
    & skf21("7","1","3","1","3","6","3","1") = "6"
    & skf21("7","1","3","1","3","6","4","1") = "6"
    & skf21("7","1","3","1","3","6","5","1") = "6"
    & skf21("7","1","3","1","3","6","6","1") = "6"
    & skf21("7","1","3","1","3","6","7","1") = "6"
    & skf21("7","1","3","1","3","7","1","1") = "6"
    & skf21("7","1","3","1","3","7","2","1") = "6"
    & skf21("7","1","3","1","3","7","3","1") = "6"
    & skf21("7","1","3","1","3","7","4","1") = "6"
    & skf21("7","1","3","1","3","7","5","1") = "6"
    & skf21("7","1","3","1","3","7","6","1") = "6"
    & skf21("7","1","3","1","3","7","7","1") = "6"
    & skf21("7","1","3","1","4","1","1","1") = "6"
    & skf21("7","1","3","1","4","1","2","1") = "6"
    & skf21("7","1","3","1","4","1","3","1") = "6"
    & skf21("7","1","3","1","4","1","4","1") = "6"
    & skf21("7","1","3","1","4","1","5","1") = "6"
    & skf21("7","1","3","1","4","1","6","1") = "6"
    & skf21("7","1","3","1","4","1","7","1") = "6"
    & skf21("7","1","3","1","4","2","1","1") = "6"
    & skf21("7","1","3","1","4","2","2","1") = "6"
    & skf21("7","1","3","1","4","2","3","1") = "6"
    & skf21("7","1","3","1","4","2","4","1") = "6"
    & skf21("7","1","3","1","4","2","5","1") = "6"
    & skf21("7","1","3","1","4","2","6","1") = "6"
    & skf21("7","1","3","1","4","2","7","1") = "6"
    & skf21("7","1","3","1","4","3","1","1") = "6"
    & skf21("7","1","3","1","4","3","2","1") = "6"
    & skf21("7","1","3","1","4","3","3","1") = "6"
    & skf21("7","1","3","1","4","3","4","1") = "6"
    & skf21("7","1","3","1","4","3","5","1") = "6"
    & skf21("7","1","3","1","4","3","6","1") = "6"
    & skf21("7","1","3","1","4","3","7","1") = "6"
    & skf21("7","1","3","1","4","4","1","1") = "6"
    & skf21("7","1","3","1","4","4","2","1") = "6"
    & skf21("7","1","3","1","4","4","3","1") = "6"
    & skf21("7","1","3","1","4","4","4","1") = "6"
    & skf21("7","1","3","1","4","4","5","1") = "6"
    & skf21("7","1","3","1","4","4","6","1") = "6"
    & skf21("7","1","3","1","4","4","7","1") = "6"
    & skf21("7","1","3","1","4","5","1","1") = "6"
    & skf21("7","1","3","1","4","5","2","1") = "6"
    & skf21("7","1","3","1","4","5","3","1") = "6"
    & skf21("7","1","3","1","4","5","4","1") = "6"
    & skf21("7","1","3","1","4","5","5","1") = "6"
    & skf21("7","1","3","1","4","5","6","1") = "6"
    & skf21("7","1","3","1","4","5","7","1") = "6"
    & skf21("7","1","3","1","4","6","1","1") = "6"
    & skf21("7","1","3","1","4","6","2","1") = "6"
    & skf21("7","1","3","1","4","6","3","1") = "6"
    & skf21("7","1","3","1","4","6","4","1") = "6"
    & skf21("7","1","3","1","4","6","5","1") = "6"
    & skf21("7","1","3","1","4","6","6","1") = "6"
    & skf21("7","1","3","1","4","6","7","1") = "6"
    & skf21("7","1","3","1","4","7","1","1") = "6"
    & skf21("7","1","3","1","4","7","2","1") = "6"
    & skf21("7","1","3","1","4","7","3","1") = "6"
    & skf21("7","1","3","1","4","7","4","1") = "6"
    & skf21("7","1","3","1","4","7","5","1") = "6"
    & skf21("7","1","3","1","4","7","6","1") = "6"
    & skf21("7","1","3","1","4","7","7","1") = "6"
    & skf21("7","1","3","1","5","1","1","1") = "6"
    & skf21("7","1","3","1","5","1","2","1") = "6"
    & skf21("7","1","3","1","5","1","3","1") = "6"
    & skf21("7","1","3","1","5","1","4","1") = "6"
    & skf21("7","1","3","1","5","1","5","1") = "6"
    & skf21("7","1","3","1","5","1","6","1") = "6"
    & skf21("7","1","3","1","5","1","7","1") = "6"
    & skf21("7","1","3","1","5","2","1","1") = "6"
    & skf21("7","1","3","1","5","2","2","1") = "6"
    & skf21("7","1","3","1","5","2","3","1") = "6"
    & skf21("7","1","3","1","5","2","4","1") = "6"
    & skf21("7","1","3","1","5","2","5","1") = "6"
    & skf21("7","1","3","1","5","2","6","1") = "6"
    & skf21("7","1","3","1","5","2","7","1") = "6"
    & skf21("7","1","3","1","5","3","1","1") = "6"
    & skf21("7","1","3","1","5","3","2","1") = "6"
    & skf21("7","1","3","1","5","3","3","1") = "6"
    & skf21("7","1","3","1","5","3","4","1") = "6"
    & skf21("7","1","3","1","5","3","5","1") = "6"
    & skf21("7","1","3","1","5","3","6","1") = "6"
    & skf21("7","1","3","1","5","3","7","1") = "6"
    & skf21("7","1","3","1","5","4","1","1") = "6"
    & skf21("7","1","3","1","5","4","2","1") = "6"
    & skf21("7","1","3","1","5","4","3","1") = "6"
    & skf21("7","1","3","1","5","4","4","1") = "6"
    & skf21("7","1","3","1","5","4","5","1") = "6"
    & skf21("7","1","3","1","5","4","6","1") = "6"
    & skf21("7","1","3","1","5","4","7","1") = "6"
    & skf21("7","1","3","1","5","5","1","1") = "6"
    & skf21("7","1","3","1","5","5","2","1") = "6"
    & skf21("7","1","3","1","5","5","3","1") = "6"
    & skf21("7","1","3","1","5","5","4","1") = "6"
    & skf21("7","1","3","1","5","5","5","1") = "6"
    & skf21("7","1","3","1","5","5","6","1") = "6"
    & skf21("7","1","3","1","5","5","7","1") = "6"
    & skf21("7","1","3","1","5","6","1","1") = "6"
    & skf21("7","1","3","1","5","6","2","1") = "6"
    & skf21("7","1","3","1","5","6","3","1") = "6"
    & skf21("7","1","3","1","5","6","4","1") = "6"
    & skf21("7","1","3","1","5","6","5","1") = "6"
    & skf21("7","1","3","1","5","6","6","1") = "6"
    & skf21("7","1","3","1","5","6","7","1") = "6"
    & skf21("7","1","3","1","5","7","1","1") = "6"
    & skf21("7","1","3","1","5","7","2","1") = "6"
    & skf21("7","1","3","1","5","7","3","1") = "6"
    & skf21("7","1","3","1","5","7","4","1") = "6"
    & skf21("7","1","3","1","5","7","5","1") = "6"
    & skf21("7","1","3","1","5","7","6","1") = "6"
    & skf21("7","1","3","1","5","7","7","1") = "6"
    & skf21("7","1","3","1","6","1","1","1") = "6"
    & skf21("7","1","3","1","6","1","2","1") = "6"
    & skf21("7","1","3","1","6","1","3","1") = "6"
    & skf21("7","1","3","1","6","1","4","1") = "6"
    & skf21("7","1","3","1","6","1","5","1") = "6"
    & skf21("7","1","3","1","6","1","6","1") = "6"
    & skf21("7","1","3","1","6","1","7","1") = "6"
    & skf21("7","1","3","1","6","2","1","1") = "6"
    & skf21("7","1","3","1","6","2","2","1") = "6"
    & skf21("7","1","3","1","6","2","3","1") = "6"
    & skf21("7","1","3","1","6","2","4","1") = "6"
    & skf21("7","1","3","1","6","2","5","1") = "6"
    & skf21("7","1","3","1","6","2","6","1") = "6"
    & skf21("7","1","3","1","6","2","7","1") = "6"
    & skf21("7","1","3","1","6","3","1","1") = "6"
    & skf21("7","1","3","1","6","3","2","1") = "6"
    & skf21("7","1","3","1","6","3","3","1") = "6"
    & skf21("7","1","3","1","6","3","4","1") = "6"
    & skf21("7","1","3","1","6","3","5","1") = "6"
    & skf21("7","1","3","1","6","3","6","1") = "6"
    & skf21("7","1","3","1","6","3","7","1") = "6"
    & skf21("7","1","3","1","6","4","1","1") = "6"
    & skf21("7","1","3","1","6","4","2","1") = "6"
    & skf21("7","1","3","1","6","4","3","1") = "6"
    & skf21("7","1","3","1","6","4","4","1") = "6"
    & skf21("7","1","3","1","6","4","5","1") = "6"
    & skf21("7","1","3","1","6","4","6","1") = "6"
    & skf21("7","1","3","1","6","4","7","1") = "6"
    & skf21("7","1","3","1","6","5","1","1") = "6"
    & skf21("7","1","3","1","6","5","2","1") = "6"
    & skf21("7","1","3","1","6","5","3","1") = "6"
    & skf21("7","1","3","1","6","5","4","1") = "6"
    & skf21("7","1","3","1","6","5","5","1") = "6"
    & skf21("7","1","3","1","6","5","6","1") = "6"
    & skf21("7","1","3","1","6","5","7","1") = "6"
    & skf21("7","1","3","1","6","6","1","1") = "6"
    & skf21("7","1","3","1","6","6","2","1") = "6"
    & skf21("7","1","3","1","6","6","3","1") = "6"
    & skf21("7","1","3","1","6","6","4","1") = "6"
    & skf21("7","1","3","1","6","6","5","1") = "6"
    & skf21("7","1","3","1","6","6","6","1") = "6"
    & skf21("7","1","3","1","6","6","7","1") = "6"
    & skf21("7","1","3","1","6","7","1","1") = "6"
    & skf21("7","1","3","1","6","7","2","1") = "6"
    & skf21("7","1","3","1","6","7","3","1") = "6"
    & skf21("7","1","3","1","6","7","4","1") = "6"
    & skf21("7","1","3","1","6","7","5","1") = "6"
    & skf21("7","1","3","1","6","7","6","1") = "6"
    & skf21("7","1","3","1","6","7","7","1") = "6"
    & skf21("7","1","3","1","7","1","1","1") = "6"
    & skf21("7","1","3","1","7","1","2","1") = "6"
    & skf21("7","1","3","1","7","1","3","1") = "6"
    & skf21("7","1","3","1","7","1","4","1") = "6"
    & skf21("7","1","3","1","7","1","5","1") = "6"
    & skf21("7","1","3","1","7","1","6","1") = "6"
    & skf21("7","1","3","1","7","1","7","1") = "6"
    & skf21("7","1","3","1","7","2","1","1") = "6"
    & skf21("7","1","3","1","7","2","2","1") = "6"
    & skf21("7","1","3","1","7","2","3","1") = "6"
    & skf21("7","1","3","1","7","2","4","1") = "6"
    & skf21("7","1","3","1","7","2","5","1") = "6"
    & skf21("7","1","3","1","7","2","6","1") = "6"
    & skf21("7","1","3","1","7","2","7","1") = "6"
    & skf21("7","1","3","1","7","3","1","1") = "6"
    & skf21("7","1","3","1","7","3","2","1") = "6"
    & skf21("7","1","3","1","7","3","3","1") = "6"
    & skf21("7","1","3","1","7","3","4","1") = "6"
    & skf21("7","1","3","1","7","3","5","1") = "6"
    & skf21("7","1","3","1","7","3","6","1") = "6"
    & skf21("7","1","3","1","7","3","7","1") = "6"
    & skf21("7","1","3","1","7","4","1","1") = "6"
    & skf21("7","1","3","1","7","4","2","1") = "6"
    & skf21("7","1","3","1","7","4","3","1") = "6"
    & skf21("7","1","3","1","7","4","4","1") = "6"
    & skf21("7","1","3","1","7","4","5","1") = "6"
    & skf21("7","1","3","1","7","4","6","1") = "6"
    & skf21("7","1","3","1","7","4","7","1") = "6"
    & skf21("7","1","3","1","7","5","1","1") = "6"
    & skf21("7","1","3","1","7","5","2","1") = "6"
    & skf21("7","1","3","1","7","5","3","1") = "6"
    & skf21("7","1","3","1","7","5","4","1") = "6"
    & skf21("7","1","3","1","7","5","5","1") = "6"
    & skf21("7","1","3","1","7","5","6","1") = "6"
    & skf21("7","1","3","1","7","5","7","1") = "6"
    & skf21("7","1","3","1","7","6","1","1") = "6"
    & skf21("7","1","3","1","7","6","2","1") = "6"
    & skf21("7","1","3","1","7","6","3","1") = "6"
    & skf21("7","1","3","1","7","6","4","1") = "6"
    & skf21("7","1","3","1","7","6","5","1") = "6"
    & skf21("7","1","3","1","7","6","6","1") = "6"
    & skf21("7","1","3","1","7","6","7","1") = "6"
    & skf21("7","1","3","1","7","7","1","1") = "6"
    & skf21("7","1","3","1","7","7","2","1") = "6"
    & skf21("7","1","3","1","7","7","3","1") = "6"
    & skf21("7","1","3","1","7","7","4","1") = "6"
    & skf21("7","1","3","1","7","7","5","1") = "6"
    & skf21("7","1","3","1","7","7","6","1") = "6"
    & skf21("7","1","3","1","7","7","7","1") = "6"
    & skf21("7","1","3","2","1","1","1","1") = "6"
    & skf21("7","1","3","2","1","1","2","1") = "6"
    & skf21("7","1","3","2","1","1","3","1") = "6"
    & skf21("7","1","3","2","1","1","4","1") = "6"
    & skf21("7","1","3","2","1","1","5","1") = "6"
    & skf21("7","1","3","2","1","1","6","1") = "6"
    & skf21("7","1","3","2","1","1","7","1") = "6"
    & skf21("7","1","3","2","1","2","1","1") = "6"
    & skf21("7","1","3","2","1","2","2","1") = "6"
    & skf21("7","1","3","2","1","2","3","1") = "6"
    & skf21("7","1","3","2","1","2","4","1") = "6"
    & skf21("7","1","3","2","1","2","5","1") = "6"
    & skf21("7","1","3","2","1","2","6","1") = "6"
    & skf21("7","1","3","2","1","2","7","1") = "6"
    & skf21("7","1","3","2","1","3","1","1") = "6"
    & skf21("7","1","3","2","1","3","2","1") = "6"
    & skf21("7","1","3","2","1","3","3","1") = "6"
    & skf21("7","1","3","2","1","3","4","1") = "6"
    & skf21("7","1","3","2","1","3","5","1") = "6"
    & skf21("7","1","3","2","1","3","6","1") = "6"
    & skf21("7","1","3","2","1","3","7","1") = "6"
    & skf21("7","1","3","2","1","4","1","1") = "6"
    & skf21("7","1","3","2","1","4","2","1") = "6"
    & skf21("7","1","3","2","1","4","3","1") = "6"
    & skf21("7","1","3","2","1","4","4","1") = "6"
    & skf21("7","1","3","2","1","4","5","1") = "6"
    & skf21("7","1","3","2","1","4","6","1") = "6"
    & skf21("7","1","3","2","1","4","7","1") = "6"
    & skf21("7","1","3","2","1","5","1","1") = "6"
    & skf21("7","1","3","2","1","5","2","1") = "6"
    & skf21("7","1","3","2","1","5","3","1") = "6"
    & skf21("7","1","3","2","1","5","4","1") = "6"
    & skf21("7","1","3","2","1","5","5","1") = "6"
    & skf21("7","1","3","2","1","5","6","1") = "6"
    & skf21("7","1","3","2","1","5","7","1") = "6"
    & skf21("7","1","3","2","1","6","1","1") = "6"
    & skf21("7","1","3","2","1","6","2","1") = "6"
    & skf21("7","1","3","2","1","6","3","1") = "6"
    & skf21("7","1","3","2","1","6","4","1") = "6"
    & skf21("7","1","3","2","1","6","5","1") = "6"
    & skf21("7","1","3","2","1","6","6","1") = "6"
    & skf21("7","1","3","2","1","6","7","1") = "6"
    & skf21("7","1","3","2","1","7","1","1") = "6"
    & skf21("7","1","3","2","1","7","2","1") = "6"
    & skf21("7","1","3","2","1","7","3","1") = "6"
    & skf21("7","1","3","2","1","7","4","1") = "6"
    & skf21("7","1","3","2","1","7","5","1") = "6"
    & skf21("7","1","3","2","1","7","6","1") = "6"
    & skf21("7","1","3","2","1","7","7","1") = "6"
    & skf21("7","1","3","2","2","1","1","1") = "6"
    & skf21("7","1","3","2","2","1","2","1") = "6"
    & skf21("7","1","3","2","2","1","3","1") = "6"
    & skf21("7","1","3","2","2","1","4","1") = "6"
    & skf21("7","1","3","2","2","1","5","1") = "6"
    & skf21("7","1","3","2","2","1","6","1") = "6"
    & skf21("7","1","3","2","2","1","7","1") = "6"
    & skf21("7","1","3","2","2","2","1","1") = "6"
    & skf21("7","1","3","2","2","2","2","1") = "6"
    & skf21("7","1","3","2","2","2","3","1") = "6"
    & skf21("7","1","3","2","2","2","4","1") = "6"
    & skf21("7","1","3","2","2","2","5","1") = "6"
    & skf21("7","1","3","2","2","2","6","1") = "6"
    & skf21("7","1","3","2","2","2","7","1") = "6"
    & skf21("7","1","3","2","2","3","1","1") = "6"
    & skf21("7","1","3","2","2","3","2","1") = "6"
    & skf21("7","1","3","2","2","3","3","1") = "6"
    & skf21("7","1","3","2","2","3","4","1") = "6"
    & skf21("7","1","3","2","2","3","5","1") = "6"
    & skf21("7","1","3","2","2","3","6","1") = "6"
    & skf21("7","1","3","2","2","3","7","1") = "6"
    & skf21("7","1","3","2","2","4","1","1") = "6"
    & skf21("7","1","3","2","2","4","2","1") = "6"
    & skf21("7","1","3","2","2","4","3","1") = "6"
    & skf21("7","1","3","2","2","4","4","1") = "6"
    & skf21("7","1","3","2","2","4","5","1") = "6"
    & skf21("7","1","3","2","2","4","6","1") = "6"
    & skf21("7","1","3","2","2","4","7","1") = "6"
    & skf21("7","1","3","2","2","5","1","1") = "6"
    & skf21("7","1","3","2","2","5","2","1") = "6"
    & skf21("7","1","3","2","2","5","3","1") = "6"
    & skf21("7","1","3","2","2","5","4","1") = "6"
    & skf21("7","1","3","2","2","5","5","1") = "6"
    & skf21("7","1","3","2","2","5","6","1") = "6"
    & skf21("7","1","3","2","2","5","7","1") = "6"
    & skf21("7","1","3","2","2","6","1","1") = "6"
    & skf21("7","1","3","2","2","6","2","1") = "6"
    & skf21("7","1","3","2","2","6","3","1") = "6"
    & skf21("7","1","3","2","2","6","4","1") = "6"
    & skf21("7","1","3","2","2","6","5","1") = "6"
    & skf21("7","1","3","2","2","6","6","1") = "6"
    & skf21("7","1","3","2","2","6","7","1") = "6"
    & skf21("7","1","3","2","2","7","1","1") = "6"
    & skf21("7","1","3","2","2","7","2","1") = "6"
    & skf21("7","1","3","2","2","7","3","1") = "6"
    & skf21("7","1","3","2","2","7","4","1") = "6"
    & skf21("7","1","3","2","2","7","5","1") = "6"
    & skf21("7","1","3","2","2","7","6","1") = "6"
    & skf21("7","1","3","2","2","7","7","1") = "6"
    & skf21("7","1","3","2","3","1","1","1") = "6"
    & skf21("7","1","3","2","3","1","2","1") = "6"
    & skf21("7","1","3","2","3","1","3","1") = "6"
    & skf21("7","1","3","2","3","1","4","1") = "6"
    & skf21("7","1","3","2","3","1","5","1") = "6"
    & skf21("7","1","3","2","3","1","6","1") = "6"
    & skf21("7","1","3","2","3","1","7","1") = "6"
    & skf21("7","1","3","2","3","2","1","1") = "6"
    & skf21("7","1","3","2","3","2","2","1") = "6"
    & skf21("7","1","3","2","3","2","3","1") = "6"
    & skf21("7","1","3","2","3","2","4","1") = "6"
    & skf21("7","1","3","2","3","2","5","1") = "6"
    & skf21("7","1","3","2","3","2","6","1") = "6"
    & skf21("7","1","3","2","3","2","7","1") = "6"
    & skf21("7","1","3","2","3","3","1","1") = "6"
    & skf21("7","1","3","2","3","3","2","1") = "6"
    & skf21("7","1","3","2","3","3","3","1") = "6"
    & skf21("7","1","3","2","3","3","4","1") = "6"
    & skf21("7","1","3","2","3","3","5","1") = "6"
    & skf21("7","1","3","2","3","3","6","1") = "6"
    & skf21("7","1","3","2","3","3","7","1") = "6"
    & skf21("7","1","3","2","3","4","1","1") = "6"
    & skf21("7","1","3","2","3","4","2","1") = "6"
    & skf21("7","1","3","2","3","4","3","1") = "6"
    & skf21("7","1","3","2","3","4","4","1") = "6"
    & skf21("7","1","3","2","3","4","5","1") = "6"
    & skf21("7","1","3","2","3","4","6","1") = "6"
    & skf21("7","1","3","2","3","4","7","1") = "6"
    & skf21("7","1","3","2","3","5","1","1") = "6"
    & skf21("7","1","3","2","3","5","2","1") = "6"
    & skf21("7","1","3","2","3","5","3","1") = "6"
    & skf21("7","1","3","2","3","5","4","1") = "6"
    & skf21("7","1","3","2","3","5","5","1") = "6"
    & skf21("7","1","3","2","3","5","6","1") = "6"
    & skf21("7","1","3","2","3","5","7","1") = "6"
    & skf21("7","1","3","2","3","6","1","1") = "6"
    & skf21("7","1","3","2","3","6","2","1") = "6"
    & skf21("7","1","3","2","3","6","3","1") = "6"
    & skf21("7","1","3","2","3","6","4","1") = "6"
    & skf21("7","1","3","2","3","6","5","1") = "6"
    & skf21("7","1","3","2","3","6","6","1") = "6"
    & skf21("7","1","3","2","3","6","7","1") = "6"
    & skf21("7","1","3","2","3","7","1","1") = "6"
    & skf21("7","1","3","2","3","7","2","1") = "6"
    & skf21("7","1","3","2","3","7","3","1") = "6"
    & skf21("7","1","3","2","3","7","4","1") = "6"
    & skf21("7","1","3","2","3","7","5","1") = "6"
    & skf21("7","1","3","2","3","7","6","1") = "6"
    & skf21("7","1","3","2","3","7","7","1") = "6"
    & skf21("7","1","3","2","4","1","1","1") = "6"
    & skf21("7","1","3","2","4","1","2","1") = "6"
    & skf21("7","1","3","2","4","1","3","1") = "6"
    & skf21("7","1","3","2","4","1","4","1") = "6"
    & skf21("7","1","3","2","4","1","5","1") = "6"
    & skf21("7","1","3","2","4","1","6","1") = "6"
    & skf21("7","1","3","2","4","1","7","1") = "6"
    & skf21("7","1","3","2","4","2","1","1") = "6"
    & skf21("7","1","3","2","4","2","2","1") = "6"
    & skf21("7","1","3","2","4","2","3","1") = "6"
    & skf21("7","1","3","2","4","2","4","1") = "6"
    & skf21("7","1","3","2","4","2","5","1") = "6"
    & skf21("7","1","3","2","4","2","6","1") = "6"
    & skf21("7","1","3","2","4","2","7","1") = "6"
    & skf21("7","1","3","2","4","3","1","1") = "6"
    & skf21("7","1","3","2","4","3","2","1") = "6"
    & skf21("7","1","3","2","4","3","3","1") = "6"
    & skf21("7","1","3","2","4","3","4","1") = "6"
    & skf21("7","1","3","2","4","3","5","1") = "6"
    & skf21("7","1","3","2","4","3","6","1") = "6"
    & skf21("7","1","3","2","4","3","7","1") = "6"
    & skf21("7","1","3","2","4","4","1","1") = "6"
    & skf21("7","1","3","2","4","4","2","1") = "6"
    & skf21("7","1","3","2","4","4","3","1") = "6"
    & skf21("7","1","3","2","4","4","4","1") = "6"
    & skf21("7","1","3","2","4","4","5","1") = "6"
    & skf21("7","1","3","2","4","4","6","1") = "6"
    & skf21("7","1","3","2","4","4","7","1") = "6"
    & skf21("7","1","3","2","4","5","1","1") = "6"
    & skf21("7","1","3","2","4","5","2","1") = "6"
    & skf21("7","1","3","2","4","5","3","1") = "6"
    & skf21("7","1","3","2","4","5","4","1") = "6"
    & skf21("7","1","3","2","4","5","5","1") = "6"
    & skf21("7","1","3","2","4","5","6","1") = "6"
    & skf21("7","1","3","2","4","5","7","1") = "6"
    & skf21("7","1","3","2","4","6","1","1") = "6"
    & skf21("7","1","3","2","4","6","2","1") = "6"
    & skf21("7","1","3","2","4","6","3","1") = "6"
    & skf21("7","1","3","2","4","6","4","1") = "6"
    & skf21("7","1","3","2","4","6","5","1") = "6"
    & skf21("7","1","3","2","4","6","6","1") = "6"
    & skf21("7","1","3","2","4","6","7","1") = "6"
    & skf21("7","1","3","2","4","7","1","1") = "6"
    & skf21("7","1","3","2","4","7","2","1") = "6"
    & skf21("7","1","3","2","4","7","3","1") = "6"
    & skf21("7","1","3","2","4","7","4","1") = "6"
    & skf21("7","1","3","2","4","7","5","1") = "6"
    & skf21("7","1","3","2","4","7","6","1") = "6"
    & skf21("7","1","3","2","4","7","7","1") = "6"
    & skf21("7","1","3","2","5","1","1","1") = "6"
    & skf21("7","1","3","2","5","1","2","1") = "6"
    & skf21("7","1","3","2","5","1","3","1") = "6"
    & skf21("7","1","3","2","5","1","4","1") = "6"
    & skf21("7","1","3","2","5","1","5","1") = "6"
    & skf21("7","1","3","2","5","1","6","1") = "6"
    & skf21("7","1","3","2","5","1","7","1") = "6"
    & skf21("7","1","3","2","5","2","1","1") = "6"
    & skf21("7","1","3","2","5","2","2","1") = "6"
    & skf21("7","1","3","2","5","2","3","1") = "6"
    & skf21("7","1","3","2","5","2","4","1") = "6"
    & skf21("7","1","3","2","5","2","5","1") = "6"
    & skf21("7","1","3","2","5","2","6","1") = "6"
    & skf21("7","1","3","2","5","2","7","1") = "6"
    & skf21("7","1","3","2","5","3","1","1") = "6"
    & skf21("7","1","3","2","5","3","2","1") = "6"
    & skf21("7","1","3","2","5","3","3","1") = "6"
    & skf21("7","1","3","2","5","3","4","1") = "6"
    & skf21("7","1","3","2","5","3","5","1") = "6"
    & skf21("7","1","3","2","5","3","6","1") = "6"
    & skf21("7","1","3","2","5","3","7","1") = "6"
    & skf21("7","1","3","2","5","4","1","1") = "6"
    & skf21("7","1","3","2","5","4","2","1") = "6"
    & skf21("7","1","3","2","5","4","3","1") = "6"
    & skf21("7","1","3","2","5","4","4","1") = "6"
    & skf21("7","1","3","2","5","4","5","1") = "6"
    & skf21("7","1","3","2","5","4","6","1") = "6"
    & skf21("7","1","3","2","5","4","7","1") = "6"
    & skf21("7","1","3","2","5","5","1","1") = "6"
    & skf21("7","1","3","2","5","5","2","1") = "6"
    & skf21("7","1","3","2","5","5","3","1") = "6"
    & skf21("7","1","3","2","5","5","4","1") = "6"
    & skf21("7","1","3","2","5","5","5","1") = "6"
    & skf21("7","1","3","2","5","5","6","1") = "6"
    & skf21("7","1","3","2","5","5","7","1") = "6"
    & skf21("7","1","3","2","5","6","1","1") = "6"
    & skf21("7","1","3","2","5","6","2","1") = "6"
    & skf21("7","1","3","2","5","6","3","1") = "6"
    & skf21("7","1","3","2","5","6","4","1") = "6"
    & skf21("7","1","3","2","5","6","5","1") = "6"
    & skf21("7","1","3","2","5","6","6","1") = "6"
    & skf21("7","1","3","2","5","6","7","1") = "6"
    & skf21("7","1","3","2","5","7","1","1") = "6"
    & skf21("7","1","3","2","5","7","2","1") = "6"
    & skf21("7","1","3","2","5","7","3","1") = "6"
    & skf21("7","1","3","2","5","7","4","1") = "6"
    & skf21("7","1","3","2","5","7","5","1") = "6"
    & skf21("7","1","3","2","5","7","6","1") = "6"
    & skf21("7","1","3","2","5","7","7","1") = "6"
    & skf21("7","1","3","2","6","1","1","1") = "6"
    & skf21("7","1","3","2","6","1","2","1") = "6"
    & skf21("7","1","3","2","6","1","3","1") = "6"
    & skf21("7","1","3","2","6","1","4","1") = "6"
    & skf21("7","1","3","2","6","1","5","1") = "6"
    & skf21("7","1","3","2","6","1","6","1") = "6"
    & skf21("7","1","3","2","6","1","7","1") = "6"
    & skf21("7","1","3","2","6","2","1","1") = "6"
    & skf21("7","1","3","2","6","2","2","1") = "6"
    & skf21("7","1","3","2","6","2","3","1") = "6"
    & skf21("7","1","3","2","6","2","4","1") = "6"
    & skf21("7","1","3","2","6","2","5","1") = "6"
    & skf21("7","1","3","2","6","2","6","1") = "6"
    & skf21("7","1","3","2","6","2","7","1") = "6"
    & skf21("7","1","3","2","6","3","1","1") = "6"
    & skf21("7","1","3","2","6","3","2","1") = "6"
    & skf21("7","1","3","2","6","3","3","1") = "6"
    & skf21("7","1","3","2","6","3","4","1") = "6"
    & skf21("7","1","3","2","6","3","5","1") = "6"
    & skf21("7","1","3","2","6","3","6","1") = "6"
    & skf21("7","1","3","2","6","3","7","1") = "6"
    & skf21("7","1","3","2","6","4","1","1") = "6"
    & skf21("7","1","3","2","6","4","2","1") = "6"
    & skf21("7","1","3","2","6","4","3","1") = "6"
    & skf21("7","1","3","2","6","4","4","1") = "6"
    & skf21("7","1","3","2","6","4","5","1") = "6"
    & skf21("7","1","3","2","6","4","6","1") = "6"
    & skf21("7","1","3","2","6","4","7","1") = "6"
    & skf21("7","1","3","2","6","5","1","1") = "6"
    & skf21("7","1","3","2","6","5","2","1") = "6"
    & skf21("7","1","3","2","6","5","3","1") = "6"
    & skf21("7","1","3","2","6","5","4","1") = "6"
    & skf21("7","1","3","2","6","5","5","1") = "6"
    & skf21("7","1","3","2","6","5","6","1") = "6"
    & skf21("7","1","3","2","6","5","7","1") = "6"
    & skf21("7","1","3","2","6","6","1","1") = "6"
    & skf21("7","1","3","2","6","6","2","1") = "6"
    & skf21("7","1","3","2","6","6","3","1") = "6"
    & skf21("7","1","3","2","6","6","4","1") = "6"
    & skf21("7","1","3","2","6","6","5","1") = "6"
    & skf21("7","1","3","2","6","6","6","1") = "6"
    & skf21("7","1","3","2","6","6","7","1") = "6"
    & skf21("7","1","3","2","6","7","1","1") = "6"
    & skf21("7","1","3","2","6","7","2","1") = "6"
    & skf21("7","1","3","2","6","7","3","1") = "6"
    & skf21("7","1","3","2","6","7","4","1") = "6"
    & skf21("7","1","3","2","6","7","5","1") = "6"
    & skf21("7","1","3","2","6","7","6","1") = "6"
    & skf21("7","1","3","2","6","7","7","1") = "6"
    & skf21("7","1","3","2","7","1","1","1") = "6"
    & skf21("7","1","3","2","7","1","2","1") = "6"
    & skf21("7","1","3","2","7","1","3","1") = "6"
    & skf21("7","1","3","2","7","1","4","1") = "6"
    & skf21("7","1","3","2","7","1","5","1") = "6"
    & skf21("7","1","3","2","7","1","6","1") = "6"
    & skf21("7","1","3","2","7","1","7","1") = "6"
    & skf21("7","1","3","2","7","2","1","1") = "6"
    & skf21("7","1","3","2","7","2","2","1") = "6"
    & skf21("7","1","3","2","7","2","3","1") = "6"
    & skf21("7","1","3","2","7","2","4","1") = "6"
    & skf21("7","1","3","2","7","2","5","1") = "6"
    & skf21("7","1","3","2","7","2","6","1") = "6"
    & skf21("7","1","3","2","7","2","7","1") = "6"
    & skf21("7","1","3","2","7","3","1","1") = "6"
    & skf21("7","1","3","2","7","3","2","1") = "6"
    & skf21("7","1","3","2","7","3","3","1") = "6"
    & skf21("7","1","3","2","7","3","4","1") = "6"
    & skf21("7","1","3","2","7","3","5","1") = "6"
    & skf21("7","1","3","2","7","3","6","1") = "6"
    & skf21("7","1","3","2","7","3","7","1") = "6"
    & skf21("7","1","3","2","7","4","1","1") = "6"
    & skf21("7","1","3","2","7","4","2","1") = "6"
    & skf21("7","1","3","2","7","4","3","1") = "6"
    & skf21("7","1","3","2","7","4","4","1") = "6"
    & skf21("7","1","3","2","7","4","5","1") = "6"
    & skf21("7","1","3","2","7","4","6","1") = "6"
    & skf21("7","1","3","2","7","4","7","1") = "6"
    & skf21("7","1","3","2","7","5","1","1") = "6"
    & skf21("7","1","3","2","7","5","2","1") = "6"
    & skf21("7","1","3","2","7","5","3","1") = "6"
    & skf21("7","1","3","2","7","5","4","1") = "6"
    & skf21("7","1","3","2","7","5","5","1") = "6"
    & skf21("7","1","3","2","7","5","6","1") = "6"
    & skf21("7","1","3","2","7","5","7","1") = "6"
    & skf21("7","1","3","2","7","6","1","1") = "6"
    & skf21("7","1","3","2","7","6","2","1") = "6"
    & skf21("7","1","3","2","7","6","3","1") = "6"
    & skf21("7","1","3","2","7","6","4","1") = "6"
    & skf21("7","1","3","2","7","6","5","1") = "6"
    & skf21("7","1","3","2","7","6","6","1") = "6"
    & skf21("7","1","3","2","7","6","7","1") = "6"
    & skf21("7","1","3","2","7","7","1","1") = "6"
    & skf21("7","1","3","2","7","7","2","1") = "6"
    & skf21("7","1","3","2","7","7","3","1") = "6"
    & skf21("7","1","3","2","7","7","4","1") = "6"
    & skf21("7","1","3","2","7","7","5","1") = "6"
    & skf21("7","1","3","2","7","7","6","1") = "6"
    & skf21("7","1","3","2","7","7","7","1") = "6"
    & skf21("7","1","3","3","1","1","1","1") = "6"
    & skf21("7","1","3","3","1","1","2","1") = "6"
    & skf21("7","1","3","3","1","1","3","1") = "6"
    & skf21("7","1","3","3","1","1","4","1") = "6"
    & skf21("7","1","3","3","1","1","5","1") = "6"
    & skf21("7","1","3","3","1","1","6","1") = "6"
    & skf21("7","1","3","3","1","1","7","1") = "6"
    & skf21("7","1","3","3","1","2","1","1") = "6"
    & skf21("7","1","3","3","1","2","2","1") = "6"
    & skf21("7","1","3","3","1","2","3","1") = "6"
    & skf21("7","1","3","3","1","2","4","1") = "6"
    & skf21("7","1","3","3","1","2","5","1") = "6"
    & skf21("7","1","3","3","1","2","6","1") = "6"
    & skf21("7","1","3","3","1","2","7","1") = "6"
    & skf21("7","1","3","3","1","3","1","1") = "6"
    & skf21("7","1","3","3","1","3","2","1") = "6"
    & skf21("7","1","3","3","1","3","3","1") = "6"
    & skf21("7","1","3","3","1","3","4","1") = "6"
    & skf21("7","1","3","3","1","3","5","1") = "6"
    & skf21("7","1","3","3","1","3","6","1") = "6"
    & skf21("7","1","3","3","1","3","7","1") = "6"
    & skf21("7","1","3","3","1","4","1","1") = "6"
    & skf21("7","1","3","3","1","4","2","1") = "6"
    & skf21("7","1","3","3","1","4","3","1") = "6"
    & skf21("7","1","3","3","1","4","4","1") = "6"
    & skf21("7","1","3","3","1","4","5","1") = "6"
    & skf21("7","1","3","3","1","4","6","1") = "6"
    & skf21("7","1","3","3","1","4","7","1") = "6"
    & skf21("7","1","3","3","1","5","1","1") = "6"
    & skf21("7","1","3","3","1","5","2","1") = "6"
    & skf21("7","1","3","3","1","5","3","1") = "6"
    & skf21("7","1","3","3","1","5","4","1") = "6"
    & skf21("7","1","3","3","1","5","5","1") = "6"
    & skf21("7","1","3","3","1","5","6","1") = "6"
    & skf21("7","1","3","3","1","5","7","1") = "6"
    & skf21("7","1","3","3","1","6","1","1") = "6"
    & skf21("7","1","3","3","1","6","2","1") = "6"
    & skf21("7","1","3","3","1","6","3","1") = "6"
    & skf21("7","1","3","3","1","6","4","1") = "6"
    & skf21("7","1","3","3","1","6","5","1") = "6"
    & skf21("7","1","3","3","1","6","6","1") = "6"
    & skf21("7","1","3","3","1","6","7","1") = "6"
    & skf21("7","1","3","3","1","7","1","1") = "6"
    & skf21("7","1","3","3","1","7","2","1") = "6"
    & skf21("7","1","3","3","1","7","3","1") = "6"
    & skf21("7","1","3","3","1","7","4","1") = "6"
    & skf21("7","1","3","3","1","7","5","1") = "6"
    & skf21("7","1","3","3","1","7","6","1") = "6"
    & skf21("7","1","3","3","1","7","7","1") = "6"
    & skf21("7","1","3","3","2","1","1","1") = "6"
    & skf21("7","1","3","3","2","1","2","1") = "6"
    & skf21("7","1","3","3","2","1","3","1") = "6"
    & skf21("7","1","3","3","2","1","4","1") = "6"
    & skf21("7","1","3","3","2","1","5","1") = "6"
    & skf21("7","1","3","3","2","1","6","1") = "6"
    & skf21("7","1","3","3","2","1","7","1") = "6"
    & skf21("7","1","3","3","2","2","1","1") = "6"
    & skf21("7","1","3","3","2","2","2","1") = "6"
    & skf21("7","1","3","3","2","2","3","1") = "6"
    & skf21("7","1","3","3","2","2","4","1") = "6"
    & skf21("7","1","3","3","2","2","5","1") = "6"
    & skf21("7","1","3","3","2","2","6","1") = "6"
    & skf21("7","1","3","3","2","2","7","1") = "6"
    & skf21("7","1","3","3","2","3","1","1") = "6"
    & skf21("7","1","3","3","2","3","2","1") = "6"
    & skf21("7","1","3","3","2","3","3","1") = "6"
    & skf21("7","1","3","3","2","3","4","1") = "6"
    & skf21("7","1","3","3","2","3","5","1") = "6"
    & skf21("7","1","3","3","2","3","6","1") = "6"
    & skf21("7","1","3","3","2","3","7","1") = "6"
    & skf21("7","1","3","3","2","4","1","1") = "6"
    & skf21("7","1","3","3","2","4","2","1") = "6"
    & skf21("7","1","3","3","2","4","3","1") = "6"
    & skf21("7","1","3","3","2","4","4","1") = "6"
    & skf21("7","1","3","3","2","4","5","1") = "6"
    & skf21("7","1","3","3","2","4","6","1") = "6"
    & skf21("7","1","3","3","2","4","7","1") = "6"
    & skf21("7","1","3","3","2","5","1","1") = "6"
    & skf21("7","1","3","3","2","5","2","1") = "6"
    & skf21("7","1","3","3","2","5","3","1") = "6"
    & skf21("7","1","3","3","2","5","4","1") = "6"
    & skf21("7","1","3","3","2","5","5","1") = "6"
    & skf21("7","1","3","3","2","5","6","1") = "6"
    & skf21("7","1","3","3","2","5","7","1") = "6"
    & skf21("7","1","3","3","2","6","1","1") = "6"
    & skf21("7","1","3","3","2","6","2","1") = "6"
    & skf21("7","1","3","3","2","6","3","1") = "6"
    & skf21("7","1","3","3","2","6","4","1") = "6"
    & skf21("7","1","3","3","2","6","5","1") = "6"
    & skf21("7","1","3","3","2","6","6","1") = "6"
    & skf21("7","1","3","3","2","6","7","1") = "6"
    & skf21("7","1","3","3","2","7","1","1") = "6"
    & skf21("7","1","3","3","2","7","2","1") = "6"
    & skf21("7","1","3","3","2","7","3","1") = "6"
    & skf21("7","1","3","3","2","7","4","1") = "6"
    & skf21("7","1","3","3","2","7","5","1") = "6"
    & skf21("7","1","3","3","2","7","6","1") = "6"
    & skf21("7","1","3","3","2","7","7","1") = "6"
    & skf21("7","1","3","3","3","1","1","1") = "6"
    & skf21("7","1","3","3","3","1","2","1") = "6"
    & skf21("7","1","3","3","3","1","3","1") = "6"
    & skf21("7","1","3","3","3","1","4","1") = "6"
    & skf21("7","1","3","3","3","1","5","1") = "6"
    & skf21("7","1","3","3","3","1","6","1") = "6"
    & skf21("7","1","3","3","3","1","7","1") = "6"
    & skf21("7","1","3","3","3","2","1","1") = "6"
    & skf21("7","1","3","3","3","2","2","1") = "6"
    & skf21("7","1","3","3","3","2","3","1") = "6"
    & skf21("7","1","3","3","3","2","4","1") = "6"
    & skf21("7","1","3","3","3","2","5","1") = "6"
    & skf21("7","1","3","3","3","2","6","1") = "6"
    & skf21("7","1","3","3","3","2","7","1") = "6"
    & skf21("7","1","3","3","3","3","1","1") = "6"
    & skf21("7","1","3","3","3","3","2","1") = "6"
    & skf21("7","1","3","3","3","3","3","1") = "6"
    & skf21("7","1","3","3","3","3","4","1") = "6"
    & skf21("7","1","3","3","3","3","5","1") = "6"
    & skf21("7","1","3","3","3","3","6","1") = "6"
    & skf21("7","1","3","3","3","3","7","1") = "6"
    & skf21("7","1","3","3","3","4","1","1") = "6"
    & skf21("7","1","3","3","3","4","2","1") = "6"
    & skf21("7","1","3","3","3","4","3","1") = "6"
    & skf21("7","1","3","3","3","4","4","1") = "6"
    & skf21("7","1","3","3","3","4","5","1") = "6"
    & skf21("7","1","3","3","3","4","6","1") = "6"
    & skf21("7","1","3","3","3","4","7","1") = "6"
    & skf21("7","1","3","3","3","5","1","1") = "6"
    & skf21("7","1","3","3","3","5","2","1") = "6"
    & skf21("7","1","3","3","3","5","3","1") = "6"
    & skf21("7","1","3","3","3","5","4","1") = "6"
    & skf21("7","1","3","3","3","5","5","1") = "6"
    & skf21("7","1","3","3","3","5","6","1") = "6"
    & skf21("7","1","3","3","3","5","7","1") = "6"
    & skf21("7","1","3","3","3","6","1","1") = "6"
    & skf21("7","1","3","3","3","6","2","1") = "6"
    & skf21("7","1","3","3","3","6","3","1") = "6"
    & skf21("7","1","3","3","3","6","4","1") = "6"
    & skf21("7","1","3","3","3","6","5","1") = "6"
    & skf21("7","1","3","3","3","6","6","1") = "6"
    & skf21("7","1","3","3","3","6","7","1") = "6"
    & skf21("7","1","3","3","3","7","1","1") = "6"
    & skf21("7","1","3","3","3","7","2","1") = "6"
    & skf21("7","1","3","3","3","7","3","1") = "6"
    & skf21("7","1","3","3","3","7","4","1") = "6"
    & skf21("7","1","3","3","3","7","5","1") = "6"
    & skf21("7","1","3","3","3","7","6","1") = "6"
    & skf21("7","1","3","3","3","7","7","1") = "6"
    & skf21("7","1","3","3","4","1","1","1") = "6"
    & skf21("7","1","3","3","4","1","2","1") = "6"
    & skf21("7","1","3","3","4","1","3","1") = "6"
    & skf21("7","1","3","3","4","1","4","1") = "6"
    & skf21("7","1","3","3","4","1","5","1") = "6"
    & skf21("7","1","3","3","4","1","6","1") = "6"
    & skf21("7","1","3","3","4","1","7","1") = "6"
    & skf21("7","1","3","3","4","2","1","1") = "6"
    & skf21("7","1","3","3","4","2","2","1") = "6"
    & skf21("7","1","3","3","4","2","3","1") = "6"
    & skf21("7","1","3","3","4","2","4","1") = "6"
    & skf21("7","1","3","3","4","2","5","1") = "6"
    & skf21("7","1","3","3","4","2","6","1") = "6"
    & skf21("7","1","3","3","4","2","7","1") = "6"
    & skf21("7","1","3","3","4","3","1","1") = "6"
    & skf21("7","1","3","3","4","3","2","1") = "6"
    & skf21("7","1","3","3","4","3","3","1") = "6"
    & skf21("7","1","3","3","4","3","4","1") = "6"
    & skf21("7","1","3","3","4","3","5","1") = "6"
    & skf21("7","1","3","3","4","3","6","1") = "6"
    & skf21("7","1","3","3","4","3","7","1") = "6"
    & skf21("7","1","3","3","4","4","1","1") = "6"
    & skf21("7","1","3","3","4","4","2","1") = "6"
    & skf21("7","1","3","3","4","4","3","1") = "6"
    & skf21("7","1","3","3","4","4","4","1") = "6"
    & skf21("7","1","3","3","4","4","5","1") = "6"
    & skf21("7","1","3","3","4","4","6","1") = "6"
    & skf21("7","1","3","3","4","4","7","1") = "6"
    & skf21("7","1","3","3","4","5","1","1") = "6"
    & skf21("7","1","3","3","4","5","2","1") = "6"
    & skf21("7","1","3","3","4","5","3","1") = "6"
    & skf21("7","1","3","3","4","5","4","1") = "6"
    & skf21("7","1","3","3","4","5","5","1") = "6"
    & skf21("7","1","3","3","4","5","6","1") = "6"
    & skf21("7","1","3","3","4","5","7","1") = "6"
    & skf21("7","1","3","3","4","6","1","1") = "6"
    & skf21("7","1","3","3","4","6","2","1") = "6"
    & skf21("7","1","3","3","4","6","3","1") = "6"
    & skf21("7","1","3","3","4","6","4","1") = "6"
    & skf21("7","1","3","3","4","6","5","1") = "6"
    & skf21("7","1","3","3","4","6","6","1") = "6"
    & skf21("7","1","3","3","4","6","7","1") = "6"
    & skf21("7","1","3","3","4","7","1","1") = "6"
    & skf21("7","1","3","3","4","7","2","1") = "6"
    & skf21("7","1","3","3","4","7","3","1") = "6"
    & skf21("7","1","3","3","4","7","4","1") = "6"
    & skf21("7","1","3","3","4","7","5","1") = "6"
    & skf21("7","1","3","3","4","7","6","1") = "6"
    & skf21("7","1","3","3","4","7","7","1") = "6"
    & skf21("7","1","3","3","5","1","1","1") = "6"
    & skf21("7","1","3","3","5","1","2","1") = "6"
    & skf21("7","1","3","3","5","1","3","1") = "6"
    & skf21("7","1","3","3","5","1","4","1") = "6"
    & skf21("7","1","3","3","5","1","5","1") = "6"
    & skf21("7","1","3","3","5","1","6","1") = "6"
    & skf21("7","1","3","3","5","1","7","1") = "6"
    & skf21("7","1","3","3","5","2","1","1") = "6"
    & skf21("7","1","3","3","5","2","2","1") = "6"
    & skf21("7","1","3","3","5","2","3","1") = "6"
    & skf21("7","1","3","3","5","2","4","1") = "6"
    & skf21("7","1","3","3","5","2","5","1") = "6"
    & skf21("7","1","3","3","5","2","6","1") = "6"
    & skf21("7","1","3","3","5","2","7","1") = "6"
    & skf21("7","1","3","3","5","3","1","1") = "6"
    & skf21("7","1","3","3","5","3","2","1") = "6"
    & skf21("7","1","3","3","5","3","3","1") = "6"
    & skf21("7","1","3","3","5","3","4","1") = "6"
    & skf21("7","1","3","3","5","3","5","1") = "6"
    & skf21("7","1","3","3","5","3","6","1") = "6"
    & skf21("7","1","3","3","5","3","7","1") = "6"
    & skf21("7","1","3","3","5","4","1","1") = "6"
    & skf21("7","1","3","3","5","4","2","1") = "6"
    & skf21("7","1","3","3","5","4","3","1") = "6"
    & skf21("7","1","3","3","5","4","4","1") = "6"
    & skf21("7","1","3","3","5","4","5","1") = "6"
    & skf21("7","1","3","3","5","4","6","1") = "6"
    & skf21("7","1","3","3","5","4","7","1") = "6"
    & skf21("7","1","3","3","5","5","1","1") = "6"
    & skf21("7","1","3","3","5","5","2","1") = "6"
    & skf21("7","1","3","3","5","5","3","1") = "6"
    & skf21("7","1","3","3","5","5","4","1") = "6"
    & skf21("7","1","3","3","5","5","5","1") = "6"
    & skf21("7","1","3","3","5","5","6","1") = "6"
    & skf21("7","1","3","3","5","5","7","1") = "6"
    & skf21("7","1","3","3","5","6","1","1") = "6"
    & skf21("7","1","3","3","5","6","2","1") = "6"
    & skf21("7","1","3","3","5","6","3","1") = "6"
    & skf21("7","1","3","3","5","6","4","1") = "6"
    & skf21("7","1","3","3","5","6","5","1") = "6"
    & skf21("7","1","3","3","5","6","6","1") = "6"
    & skf21("7","1","3","3","5","6","7","1") = "6"
    & skf21("7","1","3","3","5","7","1","1") = "6"
    & skf21("7","1","3","3","5","7","2","1") = "6"
    & skf21("7","1","3","3","5","7","3","1") = "6"
    & skf21("7","1","3","3","5","7","4","1") = "6"
    & skf21("7","1","3","3","5","7","5","1") = "6"
    & skf21("7","1","3","3","5","7","6","1") = "6"
    & skf21("7","1","3","3","5","7","7","1") = "6"
    & skf21("7","1","3","3","6","1","1","1") = "6"
    & skf21("7","1","3","3","6","1","2","1") = "6"
    & skf21("7","1","3","3","6","1","3","1") = "6"
    & skf21("7","1","3","3","6","1","4","1") = "6"
    & skf21("7","1","3","3","6","1","5","1") = "6"
    & skf21("7","1","3","3","6","1","6","1") = "6"
    & skf21("7","1","3","3","6","1","7","1") = "6"
    & skf21("7","1","3","3","6","2","1","1") = "6"
    & skf21("7","1","3","3","6","2","2","1") = "6"
    & skf21("7","1","3","3","6","2","3","1") = "6"
    & skf21("7","1","3","3","6","2","4","1") = "6"
    & skf21("7","1","3","3","6","2","5","1") = "6"
    & skf21("7","1","3","3","6","2","6","1") = "6"
    & skf21("7","1","3","3","6","2","7","1") = "6"
    & skf21("7","1","3","3","6","3","1","1") = "6"
    & skf21("7","1","3","3","6","3","2","1") = "6"
    & skf21("7","1","3","3","6","3","3","1") = "6"
    & skf21("7","1","3","3","6","3","4","1") = "6"
    & skf21("7","1","3","3","6","3","5","1") = "6"
    & skf21("7","1","3","3","6","3","6","1") = "6"
    & skf21("7","1","3","3","6","3","7","1") = "6"
    & skf21("7","1","3","3","6","4","1","1") = "6"
    & skf21("7","1","3","3","6","4","2","1") = "6"
    & skf21("7","1","3","3","6","4","3","1") = "6"
    & skf21("7","1","3","3","6","4","4","1") = "6"
    & skf21("7","1","3","3","6","4","5","1") = "6"
    & skf21("7","1","3","3","6","4","6","1") = "6"
    & skf21("7","1","3","3","6","4","7","1") = "6"
    & skf21("7","1","3","3","6","5","1","1") = "6"
    & skf21("7","1","3","3","6","5","2","1") = "6"
    & skf21("7","1","3","3","6","5","3","1") = "6"
    & skf21("7","1","3","3","6","5","4","1") = "6"
    & skf21("7","1","3","3","6","5","5","1") = "6"
    & skf21("7","1","3","3","6","5","6","1") = "6"
    & skf21("7","1","3","3","6","5","7","1") = "6"
    & skf21("7","1","3","3","6","6","1","1") = "6"
    & skf21("7","1","3","3","6","6","2","1") = "6"
    & skf21("7","1","3","3","6","6","3","1") = "6"
    & skf21("7","1","3","3","6","6","4","1") = "6"
    & skf21("7","1","3","3","6","6","5","1") = "6"
    & skf21("7","1","3","3","6","6","6","1") = "6"
    & skf21("7","1","3","3","6","6","7","1") = "6"
    & skf21("7","1","3","3","6","7","1","1") = "6"
    & skf21("7","1","3","3","6","7","2","1") = "6"
    & skf21("7","1","3","3","6","7","3","1") = "6"
    & skf21("7","1","3","3","6","7","4","1") = "6"
    & skf21("7","1","3","3","6","7","5","1") = "6"
    & skf21("7","1","3","3","6","7","6","1") = "6"
    & skf21("7","1","3","3","6","7","7","1") = "6"
    & skf21("7","1","3","3","7","1","1","1") = "6"
    & skf21("7","1","3","3","7","1","2","1") = "6"
    & skf21("7","1","3","3","7","1","3","1") = "6"
    & skf21("7","1","3","3","7","1","4","1") = "6"
    & skf21("7","1","3","3","7","1","5","1") = "6"
    & skf21("7","1","3","3","7","1","6","1") = "6"
    & skf21("7","1","3","3","7","1","7","1") = "6"
    & skf21("7","1","3","3","7","2","1","1") = "6"
    & skf21("7","1","3","3","7","2","2","1") = "6"
    & skf21("7","1","3","3","7","2","3","1") = "6"
    & skf21("7","1","3","3","7","2","4","1") = "6"
    & skf21("7","1","3","3","7","2","5","1") = "6"
    & skf21("7","1","3","3","7","2","6","1") = "6"
    & skf21("7","1","3","3","7","2","7","1") = "6"
    & skf21("7","1","3","3","7","3","1","1") = "6"
    & skf21("7","1","3","3","7","3","2","1") = "6"
    & skf21("7","1","3","3","7","3","3","1") = "6"
    & skf21("7","1","3","3","7","3","4","1") = "6"
    & skf21("7","1","3","3","7","3","5","1") = "6"
    & skf21("7","1","3","3","7","3","6","1") = "6"
    & skf21("7","1","3","3","7","3","7","1") = "6"
    & skf21("7","1","3","3","7","4","1","1") = "6"
    & skf21("7","1","3","3","7","4","2","1") = "6"
    & skf21("7","1","3","3","7","4","3","1") = "6"
    & skf21("7","1","3","3","7","4","4","1") = "6"
    & skf21("7","1","3","3","7","4","5","1") = "6"
    & skf21("7","1","3","3","7","4","6","1") = "6"
    & skf21("7","1","3","3","7","4","7","1") = "6"
    & skf21("7","1","3","3","7","5","1","1") = "6"
    & skf21("7","1","3","3","7","5","2","1") = "6"
    & skf21("7","1","3","3","7","5","3","1") = "6"
    & skf21("7","1","3","3","7","5","4","1") = "6"
    & skf21("7","1","3","3","7","5","5","1") = "6"
    & skf21("7","1","3","3","7","5","6","1") = "6"
    & skf21("7","1","3","3","7","5","7","1") = "6"
    & skf21("7","1","3","3","7","6","1","1") = "6"
    & skf21("7","1","3","3","7","6","2","1") = "6"
    & skf21("7","1","3","3","7","6","3","1") = "6"
    & skf21("7","1","3","3","7","6","4","1") = "6"
    & skf21("7","1","3","3","7","6","5","1") = "6"
    & skf21("7","1","3","3","7","6","6","1") = "6"
    & skf21("7","1","3","3","7","6","7","1") = "6"
    & skf21("7","1","3","3","7","7","1","1") = "6"
    & skf21("7","1","3","3","7","7","2","1") = "6"
    & skf21("7","1","3","3","7","7","3","1") = "6"
    & skf21("7","1","3","3","7","7","4","1") = "6"
    & skf21("7","1","3","3","7","7","5","1") = "6"
    & skf21("7","1","3","3","7","7","6","1") = "6"
    & skf21("7","1","3","3","7","7","7","1") = "6"
    & skf21("7","1","3","4","1","1","1","1") = "6"
    & skf21("7","1","3","4","1","1","2","1") = "6"
    & skf21("7","1","3","4","1","1","3","1") = "6"
    & skf21("7","1","3","4","1","1","4","1") = "6"
    & skf21("7","1","3","4","1","1","5","1") = "6"
    & skf21("7","1","3","4","1","1","6","1") = "6"
    & skf21("7","1","3","4","1","1","7","1") = "6"
    & skf21("7","1","3","4","1","2","1","1") = "6"
    & skf21("7","1","3","4","1","2","2","1") = "6"
    & skf21("7","1","3","4","1","2","3","1") = "6"
    & skf21("7","1","3","4","1","2","4","1") = "6"
    & skf21("7","1","3","4","1","2","5","1") = "6"
    & skf21("7","1","3","4","1","2","6","1") = "6"
    & skf21("7","1","3","4","1","2","7","1") = "6"
    & skf21("7","1","3","4","1","3","1","1") = "6"
    & skf21("7","1","3","4","1","3","2","1") = "6"
    & skf21("7","1","3","4","1","3","3","1") = "6"
    & skf21("7","1","3","4","1","3","4","1") = "6"
    & skf21("7","1","3","4","1","3","5","1") = "6"
    & skf21("7","1","3","4","1","3","6","1") = "6"
    & skf21("7","1","3","4","1","3","7","1") = "6"
    & skf21("7","1","3","4","1","4","1","1") = "6"
    & skf21("7","1","3","4","1","4","2","1") = "6"
    & skf21("7","1","3","4","1","4","3","1") = "6"
    & skf21("7","1","3","4","1","4","4","1") = "6"
    & skf21("7","1","3","4","1","4","5","1") = "6"
    & skf21("7","1","3","4","1","4","6","1") = "6"
    & skf21("7","1","3","4","1","4","7","1") = "6"
    & skf21("7","1","3","4","1","5","1","1") = "6"
    & skf21("7","1","3","4","1","5","2","1") = "6"
    & skf21("7","1","3","4","1","5","3","1") = "6"
    & skf21("7","1","3","4","1","5","4","1") = "6"
    & skf21("7","1","3","4","1","5","5","1") = "6"
    & skf21("7","1","3","4","1","5","6","1") = "6"
    & skf21("7","1","3","4","1","5","7","1") = "6"
    & skf21("7","1","3","4","1","6","1","1") = "6"
    & skf21("7","1","3","4","1","6","2","1") = "6"
    & skf21("7","1","3","4","1","6","3","1") = "6"
    & skf21("7","1","3","4","1","6","4","1") = "6"
    & skf21("7","1","3","4","1","6","5","1") = "6"
    & skf21("7","1","3","4","1","6","6","1") = "6"
    & skf21("7","1","3","4","1","6","7","1") = "6"
    & skf21("7","1","3","4","1","7","1","1") = "6"
    & skf21("7","1","3","4","1","7","2","1") = "6"
    & skf21("7","1","3","4","1","7","3","1") = "6"
    & skf21("7","1","3","4","1","7","4","1") = "6"
    & skf21("7","1","3","4","1","7","5","1") = "6"
    & skf21("7","1","3","4","1","7","6","1") = "6"
    & skf21("7","1","3","4","1","7","7","1") = "6"
    & skf21("7","1","3","4","2","1","1","1") = "6"
    & skf21("7","1","3","4","2","1","2","1") = "6"
    & skf21("7","1","3","4","2","1","3","1") = "6"
    & skf21("7","1","3","4","2","1","4","1") = "6"
    & skf21("7","1","3","4","2","1","5","1") = "6"
    & skf21("7","1","3","4","2","1","6","1") = "6"
    & skf21("7","1","3","4","2","1","7","1") = "6"
    & skf21("7","1","3","4","2","2","1","1") = "6"
    & skf21("7","1","3","4","2","2","2","1") = "6"
    & skf21("7","1","3","4","2","2","3","1") = "6"
    & skf21("7","1","3","4","2","2","4","1") = "6"
    & skf21("7","1","3","4","2","2","5","1") = "6"
    & skf21("7","1","3","4","2","2","6","1") = "6"
    & skf21("7","1","3","4","2","2","7","1") = "6"
    & skf21("7","1","3","4","2","3","1","1") = "6"
    & skf21("7","1","3","4","2","3","2","1") = "6"
    & skf21("7","1","3","4","2","3","3","1") = "6"
    & skf21("7","1","3","4","2","3","4","1") = "6"
    & skf21("7","1","3","4","2","3","5","1") = "6"
    & skf21("7","1","3","4","2","3","6","1") = "6"
    & skf21("7","1","3","4","2","3","7","1") = "6"
    & skf21("7","1","3","4","2","4","1","1") = "6"
    & skf21("7","1","3","4","2","4","2","1") = "6"
    & skf21("7","1","3","4","2","4","3","1") = "6"
    & skf21("7","1","3","4","2","4","4","1") = "6"
    & skf21("7","1","3","4","2","4","5","1") = "6"
    & skf21("7","1","3","4","2","4","6","1") = "6"
    & skf21("7","1","3","4","2","4","7","1") = "6"
    & skf21("7","1","3","4","2","5","1","1") = "6"
    & skf21("7","1","3","4","2","5","2","1") = "6"
    & skf21("7","1","3","4","2","5","3","1") = "6"
    & skf21("7","1","3","4","2","5","4","1") = "6"
    & skf21("7","1","3","4","2","5","5","1") = "6"
    & skf21("7","1","3","4","2","5","6","1") = "6"
    & skf21("7","1","3","4","2","5","7","1") = "6"
    & skf21("7","1","3","4","2","6","1","1") = "6"
    & skf21("7","1","3","4","2","6","2","1") = "6"
    & skf21("7","1","3","4","2","6","3","1") = "6"
    & skf21("7","1","3","4","2","6","4","1") = "6"
    & skf21("7","1","3","4","2","6","5","1") = "6"
    & skf21("7","1","3","4","2","6","6","1") = "6"
    & skf21("7","1","3","4","2","6","7","1") = "6"
    & skf21("7","1","3","4","2","7","1","1") = "6"
    & skf21("7","1","3","4","2","7","2","1") = "6"
    & skf21("7","1","3","4","2","7","3","1") = "6"
    & skf21("7","1","3","4","2","7","4","1") = "6"
    & skf21("7","1","3","4","2","7","5","1") = "6"
    & skf21("7","1","3","4","2","7","6","1") = "6"
    & skf21("7","1","3","4","2","7","7","1") = "6"
    & skf21("7","1","3","4","3","1","1","1") = "6"
    & skf21("7","1","3","4","3","1","2","1") = "6"
    & skf21("7","1","3","4","3","1","3","1") = "6"
    & skf21("7","1","3","4","3","1","4","1") = "6"
    & skf21("7","1","3","4","3","1","5","1") = "6"
    & skf21("7","1","3","4","3","1","6","1") = "6"
    & skf21("7","1","3","4","3","1","7","1") = "6"
    & skf21("7","1","3","4","3","2","1","1") = "6"
    & skf21("7","1","3","4","3","2","2","1") = "6"
    & skf21("7","1","3","4","3","2","3","1") = "6"
    & skf21("7","1","3","4","3","2","4","1") = "6"
    & skf21("7","1","3","4","3","2","5","1") = "6"
    & skf21("7","1","3","4","3","2","6","1") = "6"
    & skf21("7","1","3","4","3","2","7","1") = "6"
    & skf21("7","1","3","4","3","3","1","1") = "6"
    & skf21("7","1","3","4","3","3","2","1") = "6"
    & skf21("7","1","3","4","3","3","3","1") = "6"
    & skf21("7","1","3","4","3","3","4","1") = "6"
    & skf21("7","1","3","4","3","3","5","1") = "6"
    & skf21("7","1","3","4","3","3","6","1") = "6"
    & skf21("7","1","3","4","3","3","7","1") = "6"
    & skf21("7","1","3","4","3","4","1","1") = "6"
    & skf21("7","1","3","4","3","4","2","1") = "6"
    & skf21("7","1","3","4","3","4","3","1") = "6"
    & skf21("7","1","3","4","3","4","4","1") = "6"
    & skf21("7","1","3","4","3","4","5","1") = "6"
    & skf21("7","1","3","4","3","4","6","1") = "6"
    & skf21("7","1","3","4","3","4","7","1") = "6"
    & skf21("7","1","3","4","3","5","1","1") = "6"
    & skf21("7","1","3","4","3","5","2","1") = "6"
    & skf21("7","1","3","4","3","5","3","1") = "6"
    & skf21("7","1","3","4","3","5","4","1") = "6"
    & skf21("7","1","3","4","3","5","5","1") = "6"
    & skf21("7","1","3","4","3","5","6","1") = "6"
    & skf21("7","1","3","4","3","5","7","1") = "6"
    & skf21("7","1","3","4","3","6","1","1") = "6"
    & skf21("7","1","3","4","3","6","2","1") = "6"
    & skf21("7","1","3","4","3","6","3","1") = "6"
    & skf21("7","1","3","4","3","6","4","1") = "6"
    & skf21("7","1","3","4","3","6","5","1") = "6"
    & skf21("7","1","3","4","3","6","6","1") = "6"
    & skf21("7","1","3","4","3","6","7","1") = "6"
    & skf21("7","1","3","4","3","7","1","1") = "6"
    & skf21("7","1","3","4","3","7","2","1") = "6"
    & skf21("7","1","3","4","3","7","3","1") = "6"
    & skf21("7","1","3","4","3","7","4","1") = "6"
    & skf21("7","1","3","4","3","7","5","1") = "6"
    & skf21("7","1","3","4","3","7","6","1") = "6"
    & skf21("7","1","3","4","3","7","7","1") = "6"
    & skf21("7","1","3","4","4","1","1","1") = "6"
    & skf21("7","1","3","4","4","1","2","1") = "6"
    & skf21("7","1","3","4","4","1","3","1") = "6"
    & skf21("7","1","3","4","4","1","4","1") = "6"
    & skf21("7","1","3","4","4","1","5","1") = "6"
    & skf21("7","1","3","4","4","1","6","1") = "6"
    & skf21("7","1","3","4","4","1","7","1") = "6"
    & skf21("7","1","3","4","4","2","1","1") = "6"
    & skf21("7","1","3","4","4","2","2","1") = "6"
    & skf21("7","1","3","4","4","2","3","1") = "6"
    & skf21("7","1","3","4","4","2","4","1") = "6"
    & skf21("7","1","3","4","4","2","5","1") = "6"
    & skf21("7","1","3","4","4","2","6","1") = "6"
    & skf21("7","1","3","4","4","2","7","1") = "6"
    & skf21("7","1","3","4","4","3","1","1") = "6"
    & skf21("7","1","3","4","4","3","2","1") = "6"
    & skf21("7","1","3","4","4","3","3","1") = "6"
    & skf21("7","1","3","4","4","3","4","1") = "6"
    & skf21("7","1","3","4","4","3","5","1") = "6"
    & skf21("7","1","3","4","4","3","6","1") = "6"
    & skf21("7","1","3","4","4","3","7","1") = "6"
    & skf21("7","1","3","4","4","4","1","1") = "6"
    & skf21("7","1","3","4","4","4","2","1") = "6"
    & skf21("7","1","3","4","4","4","3","1") = "6"
    & skf21("7","1","3","4","4","4","4","1") = "6"
    & skf21("7","1","3","4","4","4","5","1") = "6"
    & skf21("7","1","3","4","4","4","6","1") = "6"
    & skf21("7","1","3","4","4","4","7","1") = "6"
    & skf21("7","1","3","4","4","5","1","1") = "6"
    & skf21("7","1","3","4","4","5","2","1") = "6"
    & skf21("7","1","3","4","4","5","3","1") = "6"
    & skf21("7","1","3","4","4","5","4","1") = "6"
    & skf21("7","1","3","4","4","5","5","1") = "6"
    & skf21("7","1","3","4","4","5","6","1") = "6"
    & skf21("7","1","3","4","4","5","7","1") = "6"
    & skf21("7","1","3","4","4","6","1","1") = "6"
    & skf21("7","1","3","4","4","6","2","1") = "6"
    & skf21("7","1","3","4","4","6","3","1") = "6"
    & skf21("7","1","3","4","4","6","4","1") = "6"
    & skf21("7","1","3","4","4","6","5","1") = "6"
    & skf21("7","1","3","4","4","6","6","1") = "6"
    & skf21("7","1","3","4","4","6","7","1") = "6"
    & skf21("7","1","3","4","4","7","1","1") = "6"
    & skf21("7","1","3","4","4","7","2","1") = "6"
    & skf21("7","1","3","4","4","7","3","1") = "6"
    & skf21("7","1","3","4","4","7","4","1") = "6"
    & skf21("7","1","3","4","4","7","5","1") = "6"
    & skf21("7","1","3","4","4","7","6","1") = "6"
    & skf21("7","1","3","4","4","7","7","1") = "6"
    & skf21("7","1","3","4","5","1","1","1") = "6"
    & skf21("7","1","3","4","5","1","2","1") = "6"
    & skf21("7","1","3","4","5","1","3","1") = "6"
    & skf21("7","1","3","4","5","1","4","1") = "6"
    & skf21("7","1","3","4","5","1","5","1") = "6"
    & skf21("7","1","3","4","5","1","6","1") = "6"
    & skf21("7","1","3","4","5","1","7","1") = "6"
    & skf21("7","1","3","4","5","2","1","1") = "6"
    & skf21("7","1","3","4","5","2","2","1") = "6"
    & skf21("7","1","3","4","5","2","3","1") = "6"
    & skf21("7","1","3","4","5","2","4","1") = "6"
    & skf21("7","1","3","4","5","2","5","1") = "6"
    & skf21("7","1","3","4","5","2","6","1") = "6"
    & skf21("7","1","3","4","5","2","7","1") = "6"
    & skf21("7","1","3","4","5","3","1","1") = "6"
    & skf21("7","1","3","4","5","3","2","1") = "6"
    & skf21("7","1","3","4","5","3","3","1") = "6"
    & skf21("7","1","3","4","5","3","4","1") = "6"
    & skf21("7","1","3","4","5","3","5","1") = "6"
    & skf21("7","1","3","4","5","3","6","1") = "6"
    & skf21("7","1","3","4","5","3","7","1") = "6"
    & skf21("7","1","3","4","5","4","1","1") = "6"
    & skf21("7","1","3","4","5","4","2","1") = "6"
    & skf21("7","1","3","4","5","4","3","1") = "6"
    & skf21("7","1","3","4","5","4","4","1") = "6"
    & skf21("7","1","3","4","5","4","5","1") = "6"
    & skf21("7","1","3","4","5","4","6","1") = "6"
    & skf21("7","1","3","4","5","4","7","1") = "6"
    & skf21("7","1","3","4","5","5","1","1") = "6"
    & skf21("7","1","3","4","5","5","2","1") = "6"
    & skf21("7","1","3","4","5","5","3","1") = "6"
    & skf21("7","1","3","4","5","5","4","1") = "6"
    & skf21("7","1","3","4","5","5","5","1") = "6"
    & skf21("7","1","3","4","5","5","6","1") = "6"
    & skf21("7","1","3","4","5","5","7","1") = "6"
    & skf21("7","1","3","4","5","6","1","1") = "6"
    & skf21("7","1","3","4","5","6","2","1") = "6"
    & skf21("7","1","3","4","5","6","3","1") = "6"
    & skf21("7","1","3","4","5","6","4","1") = "6"
    & skf21("7","1","3","4","5","6","5","1") = "6"
    & skf21("7","1","3","4","5","6","6","1") = "6"
    & skf21("7","1","3","4","5","6","7","1") = "6"
    & skf21("7","1","3","4","5","7","1","1") = "6"
    & skf21("7","1","3","4","5","7","2","1") = "6"
    & skf21("7","1","3","4","5","7","3","1") = "6"
    & skf21("7","1","3","4","5","7","4","1") = "6"
    & skf21("7","1","3","4","5","7","5","1") = "6"
    & skf21("7","1","3","4","5","7","6","1") = "6"
    & skf21("7","1","3","4","5","7","7","1") = "6"
    & skf21("7","1","3","4","6","1","1","1") = "6"
    & skf21("7","1","3","4","6","1","2","1") = "6"
    & skf21("7","1","3","4","6","1","3","1") = "6"
    & skf21("7","1","3","4","6","1","4","1") = "6"
    & skf21("7","1","3","4","6","1","5","1") = "6"
    & skf21("7","1","3","4","6","1","6","1") = "6"
    & skf21("7","1","3","4","6","1","7","1") = "6"
    & skf21("7","1","3","4","6","2","1","1") = "6"
    & skf21("7","1","3","4","6","2","2","1") = "6"
    & skf21("7","1","3","4","6","2","3","1") = "6"
    & skf21("7","1","3","4","6","2","4","1") = "6"
    & skf21("7","1","3","4","6","2","5","1") = "6"
    & skf21("7","1","3","4","6","2","6","1") = "6"
    & skf21("7","1","3","4","6","2","7","1") = "6"
    & skf21("7","1","3","4","6","3","1","1") = "6"
    & skf21("7","1","3","4","6","3","2","1") = "6"
    & skf21("7","1","3","4","6","3","3","1") = "6"
    & skf21("7","1","3","4","6","3","4","1") = "6"
    & skf21("7","1","3","4","6","3","5","1") = "6"
    & skf21("7","1","3","4","6","3","6","1") = "6"
    & skf21("7","1","3","4","6","3","7","1") = "6"
    & skf21("7","1","3","4","6","4","1","1") = "6"
    & skf21("7","1","3","4","6","4","2","1") = "6"
    & skf21("7","1","3","4","6","4","3","1") = "6"
    & skf21("7","1","3","4","6","4","4","1") = "6"
    & skf21("7","1","3","4","6","4","5","1") = "6"
    & skf21("7","1","3","4","6","4","6","1") = "6"
    & skf21("7","1","3","4","6","4","7","1") = "6"
    & skf21("7","1","3","4","6","5","1","1") = "6"
    & skf21("7","1","3","4","6","5","2","1") = "6"
    & skf21("7","1","3","4","6","5","3","1") = "6"
    & skf21("7","1","3","4","6","5","4","1") = "6"
    & skf21("7","1","3","4","6","5","5","1") = "6"
    & skf21("7","1","3","4","6","5","6","1") = "6"
    & skf21("7","1","3","4","6","5","7","1") = "6"
    & skf21("7","1","3","4","6","6","1","1") = "6"
    & skf21("7","1","3","4","6","6","2","1") = "6"
    & skf21("7","1","3","4","6","6","3","1") = "6"
    & skf21("7","1","3","4","6","6","4","1") = "6"
    & skf21("7","1","3","4","6","6","5","1") = "6"
    & skf21("7","1","3","4","6","6","6","1") = "6"
    & skf21("7","1","3","4","6","6","7","1") = "6"
    & skf21("7","1","3","4","6","7","1","1") = "6"
    & skf21("7","1","3","4","6","7","2","1") = "6"
    & skf21("7","1","3","4","6","7","3","1") = "6"
    & skf21("7","1","3","4","6","7","4","1") = "6"
    & skf21("7","1","3","4","6","7","5","1") = "6"
    & skf21("7","1","3","4","6","7","6","1") = "6"
    & skf21("7","1","3","4","6","7","7","1") = "6"
    & skf21("7","1","3","4","7","1","1","1") = "6"
    & skf21("7","1","3","4","7","1","2","1") = "6"
    & skf21("7","1","3","4","7","1","3","1") = "6"
    & skf21("7","1","3","4","7","1","4","1") = "6"
    & skf21("7","1","3","4","7","1","5","1") = "6"
    & skf21("7","1","3","4","7","1","6","1") = "6"
    & skf21("7","1","3","4","7","1","7","1") = "6"
    & skf21("7","1","3","4","7","2","1","1") = "6"
    & skf21("7","1","3","4","7","2","2","1") = "6"
    & skf21("7","1","3","4","7","2","3","1") = "6"
    & skf21("7","1","3","4","7","2","4","1") = "6"
    & skf21("7","1","3","4","7","2","5","1") = "6"
    & skf21("7","1","3","4","7","2","6","1") = "6"
    & skf21("7","1","3","4","7","2","7","1") = "6"
    & skf21("7","1","3","4","7","3","1","1") = "6"
    & skf21("7","1","3","4","7","3","2","1") = "6"
    & skf21("7","1","3","4","7","3","3","1") = "6"
    & skf21("7","1","3","4","7","3","4","1") = "6"
    & skf21("7","1","3","4","7","3","5","1") = "6"
    & skf21("7","1","3","4","7","3","6","1") = "6"
    & skf21("7","1","3","4","7","3","7","1") = "6"
    & skf21("7","1","3","4","7","4","1","1") = "6"
    & skf21("7","1","3","4","7","4","2","1") = "6"
    & skf21("7","1","3","4","7","4","3","1") = "6"
    & skf21("7","1","3","4","7","4","4","1") = "6"
    & skf21("7","1","3","4","7","4","5","1") = "6"
    & skf21("7","1","3","4","7","4","6","1") = "6"
    & skf21("7","1","3","4","7","4","7","1") = "6"
    & skf21("7","1","3","4","7","5","1","1") = "6"
    & skf21("7","1","3","4","7","5","2","1") = "6"
    & skf21("7","1","3","4","7","5","3","1") = "6"
    & skf21("7","1","3","4","7","5","4","1") = "6"
    & skf21("7","1","3","4","7","5","5","1") = "6"
    & skf21("7","1","3","4","7","5","6","1") = "6"
    & skf21("7","1","3","4","7","5","7","1") = "6"
    & skf21("7","1","3","4","7","6","1","1") = "6"
    & skf21("7","1","3","4","7","6","2","1") = "6"
    & skf21("7","1","3","4","7","6","3","1") = "6"
    & skf21("7","1","3","4","7","6","4","1") = "6"
    & skf21("7","1","3","4","7","6","5","1") = "6"
    & skf21("7","1","3","4","7","6","6","1") = "6"
    & skf21("7","1","3","4","7","6","7","1") = "6"
    & skf21("7","1","3","4","7","7","1","1") = "6"
    & skf21("7","1","3","4","7","7","2","1") = "6"
    & skf21("7","1","3","4","7","7","3","1") = "6"
    & skf21("7","1","3","4","7","7","4","1") = "6"
    & skf21("7","1","3","4","7","7","5","1") = "6"
    & skf21("7","1","3","4","7","7","6","1") = "6"
    & skf21("7","1","3","4","7","7","7","1") = "6"
    & skf21("7","1","3","5","1","1","1","1") = "6"
    & skf21("7","1","3","5","1","1","2","1") = "6"
    & skf21("7","1","3","5","1","1","3","1") = "6"
    & skf21("7","1","3","5","1","1","4","1") = "6"
    & skf21("7","1","3","5","1","1","5","1") = "6"
    & skf21("7","1","3","5","1","1","6","1") = "6"
    & skf21("7","1","3","5","1","1","7","1") = "6"
    & skf21("7","1","3","5","1","2","1","1") = "6"
    & skf21("7","1","3","5","1","2","2","1") = "6"
    & skf21("7","1","3","5","1","2","3","1") = "6"
    & skf21("7","1","3","5","1","2","4","1") = "6"
    & skf21("7","1","3","5","1","2","5","1") = "6"
    & skf21("7","1","3","5","1","2","6","1") = "6"
    & skf21("7","1","3","5","1","2","7","1") = "6"
    & skf21("7","1","3","5","1","3","1","1") = "6"
    & skf21("7","1","3","5","1","3","2","1") = "6"
    & skf21("7","1","3","5","1","3","3","1") = "6"
    & skf21("7","1","3","5","1","3","4","1") = "6"
    & skf21("7","1","3","5","1","3","5","1") = "6"
    & skf21("7","1","3","5","1","3","6","1") = "6"
    & skf21("7","1","3","5","1","3","7","1") = "6"
    & skf21("7","1","3","5","1","4","1","1") = "6"
    & skf21("7","1","3","5","1","4","2","1") = "6"
    & skf21("7","1","3","5","1","4","3","1") = "6"
    & skf21("7","1","3","5","1","4","4","1") = "6"
    & skf21("7","1","3","5","1","4","5","1") = "6"
    & skf21("7","1","3","5","1","4","6","1") = "6"
    & skf21("7","1","3","5","1","4","7","1") = "6"
    & skf21("7","1","3","5","1","5","1","1") = "6"
    & skf21("7","1","3","5","1","5","2","1") = "6"
    & skf21("7","1","3","5","1","5","3","1") = "6"
    & skf21("7","1","3","5","1","5","4","1") = "6"
    & skf21("7","1","3","5","1","5","5","1") = "6"
    & skf21("7","1","3","5","1","5","6","1") = "6"
    & skf21("7","1","3","5","1","5","7","1") = "6"
    & skf21("7","1","3","5","1","6","1","1") = "6"
    & skf21("7","1","3","5","1","6","2","1") = "6"
    & skf21("7","1","3","5","1","6","3","1") = "6"
    & skf21("7","1","3","5","1","6","4","1") = "6"
    & skf21("7","1","3","5","1","6","5","1") = "6"
    & skf21("7","1","3","5","1","6","6","1") = "6"
    & skf21("7","1","3","5","1","6","7","1") = "6"
    & skf21("7","1","3","5","1","7","1","1") = "6"
    & skf21("7","1","3","5","1","7","2","1") = "6"
    & skf21("7","1","3","5","1","7","3","1") = "6"
    & skf21("7","1","3","5","1","7","4","1") = "6"
    & skf21("7","1","3","5","1","7","5","1") = "6"
    & skf21("7","1","3","5","1","7","6","1") = "6"
    & skf21("7","1","3","5","1","7","7","1") = "6"
    & skf21("7","1","3","5","2","1","1","1") = "6"
    & skf21("7","1","3","5","2","1","2","1") = "6"
    & skf21("7","1","3","5","2","1","3","1") = "6"
    & skf21("7","1","3","5","2","1","4","1") = "6"
    & skf21("7","1","3","5","2","1","5","1") = "6"
    & skf21("7","1","3","5","2","1","6","1") = "6"
    & skf21("7","1","3","5","2","1","7","1") = "6"
    & skf21("7","1","3","5","2","2","1","1") = "6"
    & skf21("7","1","3","5","2","2","2","1") = "6"
    & skf21("7","1","3","5","2","2","3","1") = "6"
    & skf21("7","1","3","5","2","2","4","1") = "6"
    & skf21("7","1","3","5","2","2","5","1") = "6"
    & skf21("7","1","3","5","2","2","6","1") = "6"
    & skf21("7","1","3","5","2","2","7","1") = "6"
    & skf21("7","1","3","5","2","3","1","1") = "6"
    & skf21("7","1","3","5","2","3","2","1") = "6"
    & skf21("7","1","3","5","2","3","3","1") = "6"
    & skf21("7","1","3","5","2","3","4","1") = "6"
    & skf21("7","1","3","5","2","3","5","1") = "6"
    & skf21("7","1","3","5","2","3","6","1") = "6"
    & skf21("7","1","3","5","2","3","7","1") = "6"
    & skf21("7","1","3","5","2","4","1","1") = "6"
    & skf21("7","1","3","5","2","4","2","1") = "6"
    & skf21("7","1","3","5","2","4","3","1") = "6"
    & skf21("7","1","3","5","2","4","4","1") = "6"
    & skf21("7","1","3","5","2","4","5","1") = "6"
    & skf21("7","1","3","5","2","4","6","1") = "6"
    & skf21("7","1","3","5","2","4","7","1") = "6"
    & skf21("7","1","3","5","2","5","1","1") = "6"
    & skf21("7","1","3","5","2","5","2","1") = "6"
    & skf21("7","1","3","5","2","5","3","1") = "6"
    & skf21("7","1","3","5","2","5","4","1") = "6"
    & skf21("7","1","3","5","2","5","5","1") = "6"
    & skf21("7","1","3","5","2","5","6","1") = "6"
    & skf21("7","1","3","5","2","5","7","1") = "6"
    & skf21("7","1","3","5","2","6","1","1") = "6"
    & skf21("7","1","3","5","2","6","2","1") = "6"
    & skf21("7","1","3","5","2","6","3","1") = "6"
    & skf21("7","1","3","5","2","6","4","1") = "6"
    & skf21("7","1","3","5","2","6","5","1") = "6"
    & skf21("7","1","3","5","2","6","6","1") = "6"
    & skf21("7","1","3","5","2","6","7","1") = "6"
    & skf21("7","1","3","5","2","7","1","1") = "6"
    & skf21("7","1","3","5","2","7","2","1") = "6"
    & skf21("7","1","3","5","2","7","3","1") = "6"
    & skf21("7","1","3","5","2","7","4","1") = "6"
    & skf21("7","1","3","5","2","7","5","1") = "6"
    & skf21("7","1","3","5","2","7","6","1") = "6"
    & skf21("7","1","3","5","2","7","7","1") = "6"
    & skf21("7","1","3","5","3","1","1","1") = "6"
    & skf21("7","1","3","5","3","1","2","1") = "6"
    & skf21("7","1","3","5","3","1","3","1") = "6"
    & skf21("7","1","3","5","3","1","4","1") = "6"
    & skf21("7","1","3","5","3","1","5","1") = "6"
    & skf21("7","1","3","5","3","1","6","1") = "6"
    & skf21("7","1","3","5","3","1","7","1") = "6"
    & skf21("7","1","3","5","3","2","1","1") = "6"
    & skf21("7","1","3","5","3","2","2","1") = "6"
    & skf21("7","1","3","5","3","2","3","1") = "6"
    & skf21("7","1","3","5","3","2","4","1") = "6"
    & skf21("7","1","3","5","3","2","5","1") = "6"
    & skf21("7","1","3","5","3","2","6","1") = "6"
    & skf21("7","1","3","5","3","2","7","1") = "6"
    & skf21("7","1","3","5","3","3","1","1") = "6"
    & skf21("7","1","3","5","3","3","2","1") = "6"
    & skf21("7","1","3","5","3","3","3","1") = "6"
    & skf21("7","1","3","5","3","3","4","1") = "6"
    & skf21("7","1","3","5","3","3","5","1") = "6"
    & skf21("7","1","3","5","3","3","6","1") = "6"
    & skf21("7","1","3","5","3","3","7","1") = "6"
    & skf21("7","1","3","5","3","4","1","1") = "6"
    & skf21("7","1","3","5","3","4","2","1") = "6"
    & skf21("7","1","3","5","3","4","3","1") = "6"
    & skf21("7","1","3","5","3","4","4","1") = "6"
    & skf21("7","1","3","5","3","4","5","1") = "6"
    & skf21("7","1","3","5","3","4","6","1") = "6"
    & skf21("7","1","3","5","3","4","7","1") = "6"
    & skf21("7","1","3","5","3","5","1","1") = "6"
    & skf21("7","1","3","5","3","5","2","1") = "6"
    & skf21("7","1","3","5","3","5","3","1") = "6"
    & skf21("7","1","3","5","3","5","4","1") = "6"
    & skf21("7","1","3","5","3","5","5","1") = "6"
    & skf21("7","1","3","5","3","5","6","1") = "6"
    & skf21("7","1","3","5","3","5","7","1") = "6"
    & skf21("7","1","3","5","3","6","1","1") = "6"
    & skf21("7","1","3","5","3","6","2","1") = "6"
    & skf21("7","1","3","5","3","6","3","1") = "6"
    & skf21("7","1","3","5","3","6","4","1") = "6"
    & skf21("7","1","3","5","3","6","5","1") = "6"
    & skf21("7","1","3","5","3","6","6","1") = "6"
    & skf21("7","1","3","5","3","6","7","1") = "6"
    & skf21("7","1","3","5","3","7","1","1") = "6"
    & skf21("7","1","3","5","3","7","2","1") = "6"
    & skf21("7","1","3","5","3","7","3","1") = "6"
    & skf21("7","1","3","5","3","7","4","1") = "6"
    & skf21("7","1","3","5","3","7","5","1") = "6"
    & skf21("7","1","3","5","3","7","6","1") = "6"
    & skf21("7","1","3","5","3","7","7","1") = "6"
    & skf21("7","1","3","5","4","1","1","1") = "6"
    & skf21("7","1","3","5","4","1","2","1") = "6"
    & skf21("7","1","3","5","4","1","3","1") = "6"
    & skf21("7","1","3","5","4","1","4","1") = "6"
    & skf21("7","1","3","5","4","1","5","1") = "6"
    & skf21("7","1","3","5","4","1","6","1") = "6"
    & skf21("7","1","3","5","4","1","7","1") = "6"
    & skf21("7","1","3","5","4","2","1","1") = "6"
    & skf21("7","1","3","5","4","2","2","1") = "6"
    & skf21("7","1","3","5","4","2","3","1") = "6"
    & skf21("7","1","3","5","4","2","4","1") = "6"
    & skf21("7","1","3","5","4","2","5","1") = "6"
    & skf21("7","1","3","5","4","2","6","1") = "6"
    & skf21("7","1","3","5","4","2","7","1") = "6"
    & skf21("7","1","3","5","4","3","1","1") = "6"
    & skf21("7","1","3","5","4","3","2","1") = "6"
    & skf21("7","1","3","5","4","3","3","1") = "6"
    & skf21("7","1","3","5","4","3","4","1") = "6"
    & skf21("7","1","3","5","4","3","5","1") = "6"
    & skf21("7","1","3","5","4","3","6","1") = "6"
    & skf21("7","1","3","5","4","3","7","1") = "6"
    & skf21("7","1","3","5","4","4","1","1") = "6"
    & skf21("7","1","3","5","4","4","2","1") = "6"
    & skf21("7","1","3","5","4","4","3","1") = "6"
    & skf21("7","1","3","5","4","4","4","1") = "6"
    & skf21("7","1","3","5","4","4","5","1") = "6"
    & skf21("7","1","3","5","4","4","6","1") = "6"
    & skf21("7","1","3","5","4","4","7","1") = "6"
    & skf21("7","1","3","5","4","5","1","1") = "6"
    & skf21("7","1","3","5","4","5","2","1") = "6"
    & skf21("7","1","3","5","4","5","3","1") = "6"
    & skf21("7","1","3","5","4","5","4","1") = "6"
    & skf21("7","1","3","5","4","5","5","1") = "6"
    & skf21("7","1","3","5","4","5","6","1") = "6"
    & skf21("7","1","3","5","4","5","7","1") = "6"
    & skf21("7","1","3","5","4","6","1","1") = "6"
    & skf21("7","1","3","5","4","6","2","1") = "6"
    & skf21("7","1","3","5","4","6","3","1") = "6"
    & skf21("7","1","3","5","4","6","4","1") = "6"
    & skf21("7","1","3","5","4","6","5","1") = "6"
    & skf21("7","1","3","5","4","6","6","1") = "6"
    & skf21("7","1","3","5","4","6","7","1") = "6"
    & skf21("7","1","3","5","4","7","1","1") = "6"
    & skf21("7","1","3","5","4","7","2","1") = "6"
    & skf21("7","1","3","5","4","7","3","1") = "6"
    & skf21("7","1","3","5","4","7","4","1") = "6"
    & skf21("7","1","3","5","4","7","5","1") = "6"
    & skf21("7","1","3","5","4","7","6","1") = "6"
    & skf21("7","1","3","5","4","7","7","1") = "6"
    & skf21("7","1","3","5","5","1","1","1") = "6"
    & skf21("7","1","3","5","5","1","2","1") = "6"
    & skf21("7","1","3","5","5","1","3","1") = "6"
    & skf21("7","1","3","5","5","1","4","1") = "6"
    & skf21("7","1","3","5","5","1","5","1") = "6"
    & skf21("7","1","3","5","5","1","6","1") = "6"
    & skf21("7","1","3","5","5","1","7","1") = "6"
    & skf21("7","1","3","5","5","2","1","1") = "6"
    & skf21("7","1","3","5","5","2","2","1") = "6"
    & skf21("7","1","3","5","5","2","3","1") = "6"
    & skf21("7","1","3","5","5","2","4","1") = "6"
    & skf21("7","1","3","5","5","2","5","1") = "6"
    & skf21("7","1","3","5","5","2","6","1") = "6"
    & skf21("7","1","3","5","5","2","7","1") = "6"
    & skf21("7","1","3","5","5","3","1","1") = "6"
    & skf21("7","1","3","5","5","3","2","1") = "6"
    & skf21("7","1","3","5","5","3","3","1") = "6"
    & skf21("7","1","3","5","5","3","4","1") = "6"
    & skf21("7","1","3","5","5","3","5","1") = "6"
    & skf21("7","1","3","5","5","3","6","1") = "6"
    & skf21("7","1","3","5","5","3","7","1") = "6"
    & skf21("7","1","3","5","5","4","1","1") = "6"
    & skf21("7","1","3","5","5","4","2","1") = "6"
    & skf21("7","1","3","5","5","4","3","1") = "6"
    & skf21("7","1","3","5","5","4","4","1") = "6"
    & skf21("7","1","3","5","5","4","5","1") = "6"
    & skf21("7","1","3","5","5","4","6","1") = "6"
    & skf21("7","1","3","5","5","4","7","1") = "6"
    & skf21("7","1","3","5","5","5","1","1") = "6"
    & skf21("7","1","3","5","5","5","2","1") = "6"
    & skf21("7","1","3","5","5","5","3","1") = "6"
    & skf21("7","1","3","5","5","5","4","1") = "6"
    & skf21("7","1","3","5","5","5","5","1") = "6"
    & skf21("7","1","3","5","5","5","6","1") = "6"
    & skf21("7","1","3","5","5","5","7","1") = "6"
    & skf21("7","1","3","5","5","6","1","1") = "6"
    & skf21("7","1","3","5","5","6","2","1") = "6"
    & skf21("7","1","3","5","5","6","3","1") = "6"
    & skf21("7","1","3","5","5","6","4","1") = "6"
    & skf21("7","1","3","5","5","6","5","1") = "6"
    & skf21("7","1","3","5","5","6","6","1") = "6"
    & skf21("7","1","3","5","5","6","7","1") = "6"
    & skf21("7","1","3","5","5","7","1","1") = "6"
    & skf21("7","1","3","5","5","7","2","1") = "6"
    & skf21("7","1","3","5","5","7","3","1") = "6"
    & skf21("7","1","3","5","5","7","4","1") = "6"
    & skf21("7","1","3","5","5","7","5","1") = "6"
    & skf21("7","1","3","5","5","7","6","1") = "6"
    & skf21("7","1","3","5","5","7","7","1") = "6"
    & skf21("7","1","3","5","6","1","1","1") = "6"
    & skf21("7","1","3","5","6","1","2","1") = "6"
    & skf21("7","1","3","5","6","1","3","1") = "6"
    & skf21("7","1","3","5","6","1","4","1") = "6"
    & skf21("7","1","3","5","6","1","5","1") = "6"
    & skf21("7","1","3","5","6","1","6","1") = "6"
    & skf21("7","1","3","5","6","1","7","1") = "6"
    & skf21("7","1","3","5","6","2","1","1") = "6"
    & skf21("7","1","3","5","6","2","2","1") = "6"
    & skf21("7","1","3","5","6","2","3","1") = "6"
    & skf21("7","1","3","5","6","2","4","1") = "6"
    & skf21("7","1","3","5","6","2","5","1") = "6"
    & skf21("7","1","3","5","6","2","6","1") = "6"
    & skf21("7","1","3","5","6","2","7","1") = "6"
    & skf21("7","1","3","5","6","3","1","1") = "6"
    & skf21("7","1","3","5","6","3","2","1") = "6"
    & skf21("7","1","3","5","6","3","3","1") = "6"
    & skf21("7","1","3","5","6","3","4","1") = "6"
    & skf21("7","1","3","5","6","3","5","1") = "6"
    & skf21("7","1","3","5","6","3","6","1") = "6"
    & skf21("7","1","3","5","6","3","7","1") = "6"
    & skf21("7","1","3","5","6","4","1","1") = "6"
    & skf21("7","1","3","5","6","4","2","1") = "6"
    & skf21("7","1","3","5","6","4","3","1") = "6"
    & skf21("7","1","3","5","6","4","4","1") = "6"
    & skf21("7","1","3","5","6","4","5","1") = "6"
    & skf21("7","1","3","5","6","4","6","1") = "6"
    & skf21("7","1","3","5","6","4","7","1") = "6"
    & skf21("7","1","3","5","6","5","1","1") = "6"
    & skf21("7","1","3","5","6","5","2","1") = "6"
    & skf21("7","1","3","5","6","5","3","1") = "6"
    & skf21("7","1","3","5","6","5","4","1") = "6"
    & skf21("7","1","3","5","6","5","5","1") = "6"
    & skf21("7","1","3","5","6","5","6","1") = "6"
    & skf21("7","1","3","5","6","5","7","1") = "6"
    & skf21("7","1","3","5","6","6","1","1") = "6"
    & skf21("7","1","3","5","6","6","2","1") = "6"
    & skf21("7","1","3","5","6","6","3","1") = "6"
    & skf21("7","1","3","5","6","6","4","1") = "6"
    & skf21("7","1","3","5","6","6","5","1") = "6"
    & skf21("7","1","3","5","6","6","6","1") = "6"
    & skf21("7","1","3","5","6","6","7","1") = "6"
    & skf21("7","1","3","5","6","7","1","1") = "6"
    & skf21("7","1","3","5","6","7","2","1") = "6"
    & skf21("7","1","3","5","6","7","3","1") = "6"
    & skf21("7","1","3","5","6","7","4","1") = "6"
    & skf21("7","1","3","5","6","7","5","1") = "6"
    & skf21("7","1","3","5","6","7","6","1") = "6"
    & skf21("7","1","3","5","6","7","7","1") = "6"
    & skf21("7","1","3","5","7","1","1","1") = "6"
    & skf21("7","1","3","5","7","1","2","1") = "6"
    & skf21("7","1","3","5","7","1","3","1") = "6"
    & skf21("7","1","3","5","7","1","4","1") = "6"
    & skf21("7","1","3","5","7","1","5","1") = "6"
    & skf21("7","1","3","5","7","1","6","1") = "6"
    & skf21("7","1","3","5","7","1","7","1") = "6"
    & skf21("7","1","3","5","7","2","1","1") = "6"
    & skf21("7","1","3","5","7","2","2","1") = "6"
    & skf21("7","1","3","5","7","2","3","1") = "6"
    & skf21("7","1","3","5","7","2","4","1") = "6"
    & skf21("7","1","3","5","7","2","5","1") = "6"
    & skf21("7","1","3","5","7","2","6","1") = "6"
    & skf21("7","1","3","5","7","2","7","1") = "6"
    & skf21("7","1","3","5","7","3","1","1") = "6"
    & skf21("7","1","3","5","7","3","2","1") = "6"
    & skf21("7","1","3","5","7","3","3","1") = "6"
    & skf21("7","1","3","5","7","3","4","1") = "6"
    & skf21("7","1","3","5","7","3","5","1") = "6"
    & skf21("7","1","3","5","7","3","6","1") = "6"
    & skf21("7","1","3","5","7","3","7","1") = "6"
    & skf21("7","1","3","5","7","4","1","1") = "6"
    & skf21("7","1","3","5","7","4","2","1") = "6"
    & skf21("7","1","3","5","7","4","3","1") = "6"
    & skf21("7","1","3","5","7","4","4","1") = "6"
    & skf21("7","1","3","5","7","4","5","1") = "6"
    & skf21("7","1","3","5","7","4","6","1") = "6"
    & skf21("7","1","3","5","7","4","7","1") = "6"
    & skf21("7","1","3","5","7","5","1","1") = "6"
    & skf21("7","1","3","5","7","5","2","1") = "6"
    & skf21("7","1","3","5","7","5","3","1") = "6"
    & skf21("7","1","3","5","7","5","4","1") = "6"
    & skf21("7","1","3","5","7","5","5","1") = "6"
    & skf21("7","1","3","5","7","5","6","1") = "6"
    & skf21("7","1","3","5","7","5","7","1") = "6"
    & skf21("7","1","3","5","7","6","1","1") = "6"
    & skf21("7","1","3","5","7","6","2","1") = "6"
    & skf21("7","1","3","5","7","6","3","1") = "6"
    & skf21("7","1","3","5","7","6","4","1") = "6"
    & skf21("7","1","3","5","7","6","5","1") = "6"
    & skf21("7","1","3","5","7","6","6","1") = "6"
    & skf21("7","1","3","5","7","6","7","1") = "6"
    & skf21("7","1","3","5","7","7","1","1") = "6"
    & skf21("7","1","3","5","7","7","2","1") = "6"
    & skf21("7","1","3","5","7","7","3","1") = "6"
    & skf21("7","1","3","5","7","7","4","1") = "6"
    & skf21("7","1","3","5","7","7","5","1") = "6"
    & skf21("7","1","3","5","7","7","6","1") = "6"
    & skf21("7","1","3","5","7","7","7","1") = "6"
    & skf21("7","1","3","6","1","1","1","1") = "6"
    & skf21("7","1","3","6","1","1","2","1") = "6"
    & skf21("7","1","3","6","1","1","3","1") = "6"
    & skf21("7","1","3","6","1","1","4","1") = "6"
    & skf21("7","1","3","6","1","1","5","1") = "6"
    & skf21("7","1","3","6","1","1","6","1") = "6"
    & skf21("7","1","3","6","1","1","7","1") = "6"
    & skf21("7","1","3","6","1","2","1","1") = "6"
    & skf21("7","1","3","6","1","2","2","1") = "6"
    & skf21("7","1","3","6","1","2","3","1") = "6"
    & skf21("7","1","3","6","1","2","4","1") = "6"
    & skf21("7","1","3","6","1","2","5","1") = "6"
    & skf21("7","1","3","6","1","2","6","1") = "6"
    & skf21("7","1","3","6","1","2","7","1") = "6"
    & skf21("7","1","3","6","1","3","1","1") = "6"
    & skf21("7","1","3","6","1","3","2","1") = "6"
    & skf21("7","1","3","6","1","3","3","1") = "6"
    & skf21("7","1","3","6","1","3","4","1") = "6"
    & skf21("7","1","3","6","1","3","5","1") = "6"
    & skf21("7","1","3","6","1","3","6","1") = "6"
    & skf21("7","1","3","6","1","3","7","1") = "6"
    & skf21("7","1","3","6","1","4","1","1") = "6"
    & skf21("7","1","3","6","1","4","2","1") = "6"
    & skf21("7","1","3","6","1","4","3","1") = "6"
    & skf21("7","1","3","6","1","4","4","1") = "6"
    & skf21("7","1","3","6","1","4","5","1") = "6"
    & skf21("7","1","3","6","1","4","6","1") = "6"
    & skf21("7","1","3","6","1","4","7","1") = "6"
    & skf21("7","1","3","6","1","5","1","1") = "6"
    & skf21("7","1","3","6","1","5","2","1") = "6"
    & skf21("7","1","3","6","1","5","3","1") = "6"
    & skf21("7","1","3","6","1","5","4","1") = "6"
    & skf21("7","1","3","6","1","5","5","1") = "6"
    & skf21("7","1","3","6","1","5","6","1") = "6"
    & skf21("7","1","3","6","1","5","7","1") = "6"
    & skf21("7","1","3","6","1","6","1","1") = "6"
    & skf21("7","1","3","6","1","6","2","1") = "6"
    & skf21("7","1","3","6","1","6","3","1") = "6"
    & skf21("7","1","3","6","1","6","4","1") = "6"
    & skf21("7","1","3","6","1","6","5","1") = "6"
    & skf21("7","1","3","6","1","6","6","1") = "6"
    & skf21("7","1","3","6","1","6","7","1") = "6"
    & skf21("7","1","3","6","1","7","1","1") = "6"
    & skf21("7","1","3","6","1","7","2","1") = "6"
    & skf21("7","1","3","6","1","7","3","1") = "6"
    & skf21("7","1","3","6","1","7","4","1") = "6"
    & skf21("7","1","3","6","1","7","5","1") = "6"
    & skf21("7","1","3","6","1","7","6","1") = "6"
    & skf21("7","1","3","6","1","7","7","1") = "6"
    & skf21("7","1","3","6","2","1","1","1") = "6"
    & skf21("7","1","3","6","2","1","2","1") = "6"
    & skf21("7","1","3","6","2","1","3","1") = "6"
    & skf21("7","1","3","6","2","1","4","1") = "6"
    & skf21("7","1","3","6","2","1","5","1") = "6"
    & skf21("7","1","3","6","2","1","6","1") = "6"
    & skf21("7","1","3","6","2","1","7","1") = "6"
    & skf21("7","1","3","6","2","2","1","1") = "6"
    & skf21("7","1","3","6","2","2","2","1") = "6"
    & skf21("7","1","3","6","2","2","3","1") = "6"
    & skf21("7","1","3","6","2","2","4","1") = "6"
    & skf21("7","1","3","6","2","2","5","1") = "6"
    & skf21("7","1","3","6","2","2","6","1") = "6"
    & skf21("7","1","3","6","2","2","7","1") = "6"
    & skf21("7","1","3","6","2","3","1","1") = "6"
    & skf21("7","1","3","6","2","3","2","1") = "6"
    & skf21("7","1","3","6","2","3","3","1") = "6"
    & skf21("7","1","3","6","2","3","4","1") = "6"
    & skf21("7","1","3","6","2","3","5","1") = "6"
    & skf21("7","1","3","6","2","3","6","1") = "6"
    & skf21("7","1","3","6","2","3","7","1") = "6"
    & skf21("7","1","3","6","2","4","1","1") = "6"
    & skf21("7","1","3","6","2","4","2","1") = "6"
    & skf21("7","1","3","6","2","4","3","1") = "6"
    & skf21("7","1","3","6","2","4","4","1") = "6"
    & skf21("7","1","3","6","2","4","5","1") = "6"
    & skf21("7","1","3","6","2","4","6","1") = "6"
    & skf21("7","1","3","6","2","4","7","1") = "6"
    & skf21("7","1","3","6","2","5","1","1") = "6"
    & skf21("7","1","3","6","2","5","2","1") = "6"
    & skf21("7","1","3","6","2","5","3","1") = "6"
    & skf21("7","1","3","6","2","5","4","1") = "6"
    & skf21("7","1","3","6","2","5","5","1") = "6"
    & skf21("7","1","3","6","2","5","6","1") = "6"
    & skf21("7","1","3","6","2","5","7","1") = "6"
    & skf21("7","1","3","6","2","6","1","1") = "6"
    & skf21("7","1","3","6","2","6","2","1") = "6"
    & skf21("7","1","3","6","2","6","3","1") = "6"
    & skf21("7","1","3","6","2","6","4","1") = "6"
    & skf21("7","1","3","6","2","6","5","1") = "6"
    & skf21("7","1","3","6","2","6","6","1") = "6"
    & skf21("7","1","3","6","2","6","7","1") = "6"
    & skf21("7","1","3","6","2","7","1","1") = "6"
    & skf21("7","1","3","6","2","7","2","1") = "6"
    & skf21("7","1","3","6","2","7","3","1") = "6"
    & skf21("7","1","3","6","2","7","4","1") = "6"
    & skf21("7","1","3","6","2","7","5","1") = "6"
    & skf21("7","1","3","6","2","7","6","1") = "6"
    & skf21("7","1","3","6","2","7","7","1") = "6"
    & skf21("7","1","3","6","3","1","1","1") = "6"
    & skf21("7","1","3","6","3","1","2","1") = "6"
    & skf21("7","1","3","6","3","1","3","1") = "6"
    & skf21("7","1","3","6","3","1","4","1") = "6"
    & skf21("7","1","3","6","3","1","5","1") = "6"
    & skf21("7","1","3","6","3","1","6","1") = "6"
    & skf21("7","1","3","6","3","1","7","1") = "6"
    & skf21("7","1","3","6","3","2","1","1") = "6"
    & skf21("7","1","3","6","3","2","2","1") = "6"
    & skf21("7","1","3","6","3","2","3","1") = "6"
    & skf21("7","1","3","6","3","2","4","1") = "6"
    & skf21("7","1","3","6","3","2","5","1") = "6"
    & skf21("7","1","3","6","3","2","6","1") = "6"
    & skf21("7","1","3","6","3","2","7","1") = "6"
    & skf21("7","1","3","6","3","3","1","1") = "6"
    & skf21("7","1","3","6","3","3","2","1") = "6"
    & skf21("7","1","3","6","3","3","3","1") = "6"
    & skf21("7","1","3","6","3","3","4","1") = "6"
    & skf21("7","1","3","6","3","3","5","1") = "6"
    & skf21("7","1","3","6","3","3","6","1") = "6"
    & skf21("7","1","3","6","3","3","7","1") = "6"
    & skf21("7","1","3","6","3","4","1","1") = "6"
    & skf21("7","1","3","6","3","4","2","1") = "6"
    & skf21("7","1","3","6","3","4","3","1") = "6"
    & skf21("7","1","3","6","3","4","4","1") = "6"
    & skf21("7","1","3","6","3","4","5","1") = "6"
    & skf21("7","1","3","6","3","4","6","1") = "6"
    & skf21("7","1","3","6","3","4","7","1") = "6"
    & skf21("7","1","3","6","3","5","1","1") = "6"
    & skf21("7","1","3","6","3","5","2","1") = "6"
    & skf21("7","1","3","6","3","5","3","1") = "6"
    & skf21("7","1","3","6","3","5","4","1") = "6"
    & skf21("7","1","3","6","3","5","5","1") = "6"
    & skf21("7","1","3","6","3","5","6","1") = "6"
    & skf21("7","1","3","6","3","5","7","1") = "6"
    & skf21("7","1","3","6","3","6","1","1") = "6"
    & skf21("7","1","3","6","3","6","2","1") = "6"
    & skf21("7","1","3","6","3","6","3","1") = "6"
    & skf21("7","1","3","6","3","6","4","1") = "6"
    & skf21("7","1","3","6","3","6","5","1") = "6"
    & skf21("7","1","3","6","3","6","6","1") = "6"
    & skf21("7","1","3","6","3","6","7","1") = "6"
    & skf21("7","1","3","6","3","7","1","1") = "6"
    & skf21("7","1","3","6","3","7","2","1") = "6"
    & skf21("7","1","3","6","3","7","3","1") = "6"
    & skf21("7","1","3","6","3","7","4","1") = "6"
    & skf21("7","1","3","6","3","7","5","1") = "6"
    & skf21("7","1","3","6","3","7","6","1") = "6"
    & skf21("7","1","3","6","3","7","7","1") = "6"
    & skf21("7","1","3","6","4","1","1","1") = "6"
    & skf21("7","1","3","6","4","1","2","1") = "6"
    & skf21("7","1","3","6","4","1","3","1") = "6"
    & skf21("7","1","3","6","4","1","4","1") = "6"
    & skf21("7","1","3","6","4","1","5","1") = "6"
    & skf21("7","1","3","6","4","1","6","1") = "6"
    & skf21("7","1","3","6","4","1","7","1") = "6"
    & skf21("7","1","3","6","4","2","1","1") = "6"
    & skf21("7","1","3","6","4","2","2","1") = "6"
    & skf21("7","1","3","6","4","2","3","1") = "6"
    & skf21("7","1","3","6","4","2","4","1") = "6"
    & skf21("7","1","3","6","4","2","5","1") = "6"
    & skf21("7","1","3","6","4","2","6","1") = "6"
    & skf21("7","1","3","6","4","2","7","1") = "6"
    & skf21("7","1","3","6","4","3","1","1") = "6"
    & skf21("7","1","3","6","4","3","2","1") = "6"
    & skf21("7","1","3","6","4","3","3","1") = "6"
    & skf21("7","1","3","6","4","3","4","1") = "6"
    & skf21("7","1","3","6","4","3","5","1") = "6"
    & skf21("7","1","3","6","4","3","6","1") = "6"
    & skf21("7","1","3","6","4","3","7","1") = "6"
    & skf21("7","1","3","6","4","4","1","1") = "6"
    & skf21("7","1","3","6","4","4","2","1") = "6"
    & skf21("7","1","3","6","4","4","3","1") = "6"
    & skf21("7","1","3","6","4","4","4","1") = "6"
    & skf21("7","1","3","6","4","4","5","1") = "6"
    & skf21("7","1","3","6","4","4","6","1") = "6"
    & skf21("7","1","3","6","4","4","7","1") = "6"
    & skf21("7","1","3","6","4","5","1","1") = "6"
    & skf21("7","1","3","6","4","5","2","1") = "6"
    & skf21("7","1","3","6","4","5","3","1") = "6"
    & skf21("7","1","3","6","4","5","4","1") = "6"
    & skf21("7","1","3","6","4","5","5","1") = "6"
    & skf21("7","1","3","6","4","5","6","1") = "6"
    & skf21("7","1","3","6","4","5","7","1") = "6"
    & skf21("7","1","3","6","4","6","1","1") = "6"
    & skf21("7","1","3","6","4","6","2","1") = "6"
    & skf21("7","1","3","6","4","6","3","1") = "6"
    & skf21("7","1","3","6","4","6","4","1") = "6"
    & skf21("7","1","3","6","4","6","5","1") = "6"
    & skf21("7","1","3","6","4","6","6","1") = "6"
    & skf21("7","1","3","6","4","6","7","1") = "6"
    & skf21("7","1","3","6","4","7","1","1") = "6"
    & skf21("7","1","3","6","4","7","2","1") = "6"
    & skf21("7","1","3","6","4","7","3","1") = "6"
    & skf21("7","1","3","6","4","7","4","1") = "6"
    & skf21("7","1","3","6","4","7","5","1") = "6"
    & skf21("7","1","3","6","4","7","6","1") = "6"
    & skf21("7","1","3","6","4","7","7","1") = "6"
    & skf21("7","1","3","6","5","1","1","1") = "6"
    & skf21("7","1","3","6","5","1","2","1") = "6"
    & skf21("7","1","3","6","5","1","3","1") = "6"
    & skf21("7","1","3","6","5","1","4","1") = "6"
    & skf21("7","1","3","6","5","1","5","1") = "6"
    & skf21("7","1","3","6","5","1","6","1") = "6"
    & skf21("7","1","3","6","5","1","7","1") = "6"
    & skf21("7","1","3","6","5","2","1","1") = "6"
    & skf21("7","1","3","6","5","2","2","1") = "6"
    & skf21("7","1","3","6","5","2","3","1") = "6"
    & skf21("7","1","3","6","5","2","4","1") = "6"
    & skf21("7","1","3","6","5","2","5","1") = "6"
    & skf21("7","1","3","6","5","2","6","1") = "6"
    & skf21("7","1","3","6","5","2","7","1") = "6"
    & skf21("7","1","3","6","5","3","1","1") = "6"
    & skf21("7","1","3","6","5","3","2","1") = "6"
    & skf21("7","1","3","6","5","3","3","1") = "6"
    & skf21("7","1","3","6","5","3","4","1") = "6"
    & skf21("7","1","3","6","5","3","5","1") = "6"
    & skf21("7","1","3","6","5","3","6","1") = "6"
    & skf21("7","1","3","6","5","3","7","1") = "6"
    & skf21("7","1","3","6","5","4","1","1") = "6"
    & skf21("7","1","3","6","5","4","2","1") = "6"
    & skf21("7","1","3","6","5","4","3","1") = "6"
    & skf21("7","1","3","6","5","4","4","1") = "6"
    & skf21("7","1","3","6","5","4","5","1") = "6"
    & skf21("7","1","3","6","5","4","6","1") = "6"
    & skf21("7","1","3","6","5","4","7","1") = "6"
    & skf21("7","1","3","6","5","5","1","1") = "6"
    & skf21("7","1","3","6","5","5","2","1") = "6"
    & skf21("7","1","3","6","5","5","3","1") = "6"
    & skf21("7","1","3","6","5","5","4","1") = "6"
    & skf21("7","1","3","6","5","5","5","1") = "6"
    & skf21("7","1","3","6","5","5","6","1") = "6"
    & skf21("7","1","3","6","5","5","7","1") = "6"
    & skf21("7","1","3","6","5","6","1","1") = "6"
    & skf21("7","1","3","6","5","6","2","1") = "6"
    & skf21("7","1","3","6","5","6","3","1") = "6"
    & skf21("7","1","3","6","5","6","4","1") = "6"
    & skf21("7","1","3","6","5","6","5","1") = "6"
    & skf21("7","1","3","6","5","6","6","1") = "6"
    & skf21("7","1","3","6","5","6","7","1") = "6"
    & skf21("7","1","3","6","5","7","1","1") = "6"
    & skf21("7","1","3","6","5","7","2","1") = "6"
    & skf21("7","1","3","6","5","7","3","1") = "6"
    & skf21("7","1","3","6","5","7","4","1") = "6"
    & skf21("7","1","3","6","5","7","5","1") = "6"
    & skf21("7","1","3","6","5","7","6","1") = "6"
    & skf21("7","1","3","6","5","7","7","1") = "6"
    & skf21("7","1","3","6","6","1","1","1") = "6"
    & skf21("7","1","3","6","6","1","2","1") = "6"
    & skf21("7","1","3","6","6","1","3","1") = "6"
    & skf21("7","1","3","6","6","1","4","1") = "6"
    & skf21("7","1","3","6","6","1","5","1") = "6"
    & skf21("7","1","3","6","6","1","6","1") = "6"
    & skf21("7","1","3","6","6","1","7","1") = "6"
    & skf21("7","1","3","6","6","2","1","1") = "6"
    & skf21("7","1","3","6","6","2","2","1") = "6"
    & skf21("7","1","3","6","6","2","3","1") = "6"
    & skf21("7","1","3","6","6","2","4","1") = "6"
    & skf21("7","1","3","6","6","2","5","1") = "6"
    & skf21("7","1","3","6","6","2","6","1") = "6"
    & skf21("7","1","3","6","6","2","7","1") = "6"
    & skf21("7","1","3","6","6","3","1","1") = "6"
    & skf21("7","1","3","6","6","3","2","1") = "6"
    & skf21("7","1","3","6","6","3","3","1") = "6"
    & skf21("7","1","3","6","6","3","4","1") = "6"
    & skf21("7","1","3","6","6","3","5","1") = "6"
    & skf21("7","1","3","6","6","3","6","1") = "6"
    & skf21("7","1","3","6","6","3","7","1") = "6"
    & skf21("7","1","3","6","6","4","1","1") = "6"
    & skf21("7","1","3","6","6","4","2","1") = "6"
    & skf21("7","1","3","6","6","4","3","1") = "6"
    & skf21("7","1","3","6","6","4","4","1") = "6"
    & skf21("7","1","3","6","6","4","5","1") = "6"
    & skf21("7","1","3","6","6","4","6","1") = "6"
    & skf21("7","1","3","6","6","4","7","1") = "6"
    & skf21("7","1","3","6","6","5","1","1") = "6"
    & skf21("7","1","3","6","6","5","2","1") = "6"
    & skf21("7","1","3","6","6","5","3","1") = "6"
    & skf21("7","1","3","6","6","5","4","1") = "6"
    & skf21("7","1","3","6","6","5","5","1") = "6"
    & skf21("7","1","3","6","6","5","6","1") = "6"
    & skf21("7","1","3","6","6","5","7","1") = "6"
    & skf21("7","1","3","6","6","6","1","1") = "6"
    & skf21("7","1","3","6","6","6","2","1") = "6"
    & skf21("7","1","3","6","6","6","3","1") = "6"
    & skf21("7","1","3","6","6","6","4","1") = "6"
    & skf21("7","1","3","6","6","6","5","1") = "6"
    & skf21("7","1","3","6","6","6","6","1") = "6"
    & skf21("7","1","3","6","6","6","7","1") = "6"
    & skf21("7","1","3","6","6","7","1","1") = "6"
    & skf21("7","1","3","6","6","7","2","1") = "6"
    & skf21("7","1","3","6","6","7","3","1") = "6"
    & skf21("7","1","3","6","6","7","4","1") = "6"
    & skf21("7","1","3","6","6","7","5","1") = "6"
    & skf21("7","1","3","6","6","7","6","1") = "6"
    & skf21("7","1","3","6","6","7","7","1") = "6"
    & skf21("7","1","3","6","7","1","1","1") = "6"
    & skf21("7","1","3","6","7","1","2","1") = "6"
    & skf21("7","1","3","6","7","1","3","1") = "6"
    & skf21("7","1","3","6","7","1","4","1") = "6"
    & skf21("7","1","3","6","7","1","5","1") = "6"
    & skf21("7","1","3","6","7","1","6","1") = "6"
    & skf21("7","1","3","6","7","1","7","1") = "6"
    & skf21("7","1","3","6","7","2","1","1") = "6"
    & skf21("7","1","3","6","7","2","2","1") = "6"
    & skf21("7","1","3","6","7","2","3","1") = "6"
    & skf21("7","1","3","6","7","2","4","1") = "6"
    & skf21("7","1","3","6","7","2","5","1") = "6"
    & skf21("7","1","3","6","7","2","6","1") = "6"
    & skf21("7","1","3","6","7","2","7","1") = "6"
    & skf21("7","1","3","6","7","3","1","1") = "6"
    & skf21("7","1","3","6","7","3","2","1") = "6"
    & skf21("7","1","3","6","7","3","3","1") = "6"
    & skf21("7","1","3","6","7","3","4","1") = "6"
    & skf21("7","1","3","6","7","3","5","1") = "6"
    & skf21("7","1","3","6","7","3","6","1") = "6"
    & skf21("7","1","3","6","7","3","7","1") = "6"
    & skf21("7","1","3","6","7","4","1","1") = "6"
    & skf21("7","1","3","6","7","4","2","1") = "6"
    & skf21("7","1","3","6","7","4","3","1") = "6"
    & skf21("7","1","3","6","7","4","4","1") = "6"
    & skf21("7","1","3","6","7","4","5","1") = "6"
    & skf21("7","1","3","6","7","4","6","1") = "6"
    & skf21("7","1","3","6","7","4","7","1") = "6"
    & skf21("7","1","3","6","7","5","1","1") = "6"
    & skf21("7","1","3","6","7","5","2","1") = "6"
    & skf21("7","1","3","6","7","5","3","1") = "6"
    & skf21("7","1","3","6","7","5","4","1") = "6"
    & skf21("7","1","3","6","7","5","5","1") = "6"
    & skf21("7","1","3","6","7","5","6","1") = "6"
    & skf21("7","1","3","6","7","5","7","1") = "6"
    & skf21("7","1","3","6","7","6","1","1") = "6"
    & skf21("7","1","3","6","7","6","2","1") = "6"
    & skf21("7","1","3","6","7","6","3","1") = "6"
    & skf21("7","1","3","6","7","6","4","1") = "6"
    & skf21("7","1","3","6","7","6","5","1") = "6"
    & skf21("7","1","3","6","7","6","6","1") = "6"
    & skf21("7","1","3","6","7","6","7","1") = "6"
    & skf21("7","1","3","6","7","7","1","1") = "6"
    & skf21("7","1","3","6","7","7","2","1") = "6"
    & skf21("7","1","3","6","7","7","3","1") = "6"
    & skf21("7","1","3","6","7","7","4","1") = "6"
    & skf21("7","1","3","6","7","7","5","1") = "6"
    & skf21("7","1","3","6","7","7","6","1") = "6"
    & skf21("7","1","3","6","7","7","7","1") = "6"
    & skf21("7","1","3","7","1","1","1","1") = "6"
    & skf21("7","1","3","7","1","1","2","1") = "6"
    & skf21("7","1","3","7","1","1","3","1") = "6"
    & skf21("7","1","3","7","1","1","4","1") = "6"
    & skf21("7","1","3","7","1","1","5","1") = "6"
    & skf21("7","1","3","7","1","1","6","1") = "6"
    & skf21("7","1","3","7","1","1","7","1") = "6"
    & skf21("7","1","3","7","1","2","1","1") = "6"
    & skf21("7","1","3","7","1","2","2","1") = "6"
    & skf21("7","1","3","7","1","2","3","1") = "6"
    & skf21("7","1","3","7","1","2","4","1") = "6"
    & skf21("7","1","3","7","1","2","5","1") = "6"
    & skf21("7","1","3","7","1","2","6","1") = "6"
    & skf21("7","1","3","7","1","2","7","1") = "6"
    & skf21("7","1","3","7","1","3","1","1") = "6"
    & skf21("7","1","3","7","1","3","2","1") = "6"
    & skf21("7","1","3","7","1","3","3","1") = "6"
    & skf21("7","1","3","7","1","3","4","1") = "6"
    & skf21("7","1","3","7","1","3","5","1") = "6"
    & skf21("7","1","3","7","1","3","6","1") = "6"
    & skf21("7","1","3","7","1","3","7","1") = "6"
    & skf21("7","1","3","7","1","4","1","1") = "6"
    & skf21("7","1","3","7","1","4","2","1") = "6"
    & skf21("7","1","3","7","1","4","3","1") = "6"
    & skf21("7","1","3","7","1","4","4","1") = "6"
    & skf21("7","1","3","7","1","4","5","1") = "6"
    & skf21("7","1","3","7","1","4","6","1") = "6"
    & skf21("7","1","3","7","1","4","7","1") = "6"
    & skf21("7","1","3","7","1","5","1","1") = "6"
    & skf21("7","1","3","7","1","5","2","1") = "6"
    & skf21("7","1","3","7","1","5","3","1") = "6"
    & skf21("7","1","3","7","1","5","4","1") = "6"
    & skf21("7","1","3","7","1","5","5","1") = "6"
    & skf21("7","1","3","7","1","5","6","1") = "6"
    & skf21("7","1","3","7","1","5","7","1") = "6"
    & skf21("7","1","3","7","1","6","1","1") = "6"
    & skf21("7","1","3","7","1","6","2","1") = "6"
    & skf21("7","1","3","7","1","6","3","1") = "6"
    & skf21("7","1","3","7","1","6","4","1") = "6"
    & skf21("7","1","3","7","1","6","5","1") = "6"
    & skf21("7","1","3","7","1","6","6","1") = "6"
    & skf21("7","1","3","7","1","6","7","1") = "6"
    & skf21("7","1","3","7","1","7","1","1") = "6"
    & skf21("7","1","3","7","1","7","2","1") = "6"
    & skf21("7","1","3","7","1","7","3","1") = "6"
    & skf21("7","1","3","7","1","7","4","1") = "6"
    & skf21("7","1","3","7","1","7","5","1") = "6"
    & skf21("7","1","3","7","1","7","6","1") = "6"
    & skf21("7","1","3","7","1","7","7","1") = "6"
    & skf21("7","1","3","7","2","1","1","1") = "6"
    & skf21("7","1","3","7","2","1","2","1") = "6"
    & skf21("7","1","3","7","2","1","3","1") = "6"
    & skf21("7","1","3","7","2","1","4","1") = "6"
    & skf21("7","1","3","7","2","1","5","1") = "6"
    & skf21("7","1","3","7","2","1","6","1") = "6"
    & skf21("7","1","3","7","2","1","7","1") = "6"
    & skf21("7","1","3","7","2","2","1","1") = "6"
    & skf21("7","1","3","7","2","2","2","1") = "6"
    & skf21("7","1","3","7","2","2","3","1") = "6"
    & skf21("7","1","3","7","2","2","4","1") = "6"
    & skf21("7","1","3","7","2","2","5","1") = "6"
    & skf21("7","1","3","7","2","2","6","1") = "6"
    & skf21("7","1","3","7","2","2","7","1") = "6"
    & skf21("7","1","3","7","2","3","1","1") = "6"
    & skf21("7","1","3","7","2","3","2","1") = "6"
    & skf21("7","1","3","7","2","3","3","1") = "6"
    & skf21("7","1","3","7","2","3","4","1") = "6"
    & skf21("7","1","3","7","2","3","5","1") = "6"
    & skf21("7","1","3","7","2","3","6","1") = "6"
    & skf21("7","1","3","7","2","3","7","1") = "6"
    & skf21("7","1","3","7","2","4","1","1") = "6"
    & skf21("7","1","3","7","2","4","2","1") = "6"
    & skf21("7","1","3","7","2","4","3","1") = "6"
    & skf21("7","1","3","7","2","4","4","1") = "6"
    & skf21("7","1","3","7","2","4","5","1") = "6"
    & skf21("7","1","3","7","2","4","6","1") = "6"
    & skf21("7","1","3","7","2","4","7","1") = "6"
    & skf21("7","1","3","7","2","5","1","1") = "6"
    & skf21("7","1","3","7","2","5","2","1") = "6"
    & skf21("7","1","3","7","2","5","3","1") = "6"
    & skf21("7","1","3","7","2","5","4","1") = "6"
    & skf21("7","1","3","7","2","5","5","1") = "6"
    & skf21("7","1","3","7","2","5","6","1") = "6"
    & skf21("7","1","3","7","2","5","7","1") = "6"
    & skf21("7","1","3","7","2","6","1","1") = "6"
    & skf21("7","1","3","7","2","6","2","1") = "6"
    & skf21("7","1","3","7","2","6","3","1") = "6"
    & skf21("7","1","3","7","2","6","4","1") = "6"
    & skf21("7","1","3","7","2","6","5","1") = "6"
    & skf21("7","1","3","7","2","6","6","1") = "6"
    & skf21("7","1","3","7","2","6","7","1") = "6"
    & skf21("7","1","3","7","2","7","1","1") = "6"
    & skf21("7","1","3","7","2","7","2","1") = "6"
    & skf21("7","1","3","7","2","7","3","1") = "6"
    & skf21("7","1","3","7","2","7","4","1") = "6"
    & skf21("7","1","3","7","2","7","5","1") = "6"
    & skf21("7","1","3","7","2","7","6","1") = "6"
    & skf21("7","1","3","7","2","7","7","1") = "6"
    & skf21("7","1","3","7","3","1","1","1") = "6"
    & skf21("7","1","3","7","3","1","2","1") = "6"
    & skf21("7","1","3","7","3","1","3","1") = "6"
    & skf21("7","1","3","7","3","1","4","1") = "6"
    & skf21("7","1","3","7","3","1","5","1") = "6"
    & skf21("7","1","3","7","3","1","6","1") = "6"
    & skf21("7","1","3","7","3","1","7","1") = "6"
    & skf21("7","1","3","7","3","2","1","1") = "6"
    & skf21("7","1","3","7","3","2","2","1") = "6"
    & skf21("7","1","3","7","3","2","3","1") = "6"
    & skf21("7","1","3","7","3","2","4","1") = "6"
    & skf21("7","1","3","7","3","2","5","1") = "6"
    & skf21("7","1","3","7","3","2","6","1") = "6"
    & skf21("7","1","3","7","3","2","7","1") = "6"
    & skf21("7","1","3","7","3","3","1","1") = "6"
    & skf21("7","1","3","7","3","3","2","1") = "6"
    & skf21("7","1","3","7","3","3","3","1") = "6"
    & skf21("7","1","3","7","3","3","4","1") = "6"
    & skf21("7","1","3","7","3","3","5","1") = "6"
    & skf21("7","1","3","7","3","3","6","1") = "6"
    & skf21("7","1","3","7","3","3","7","1") = "6"
    & skf21("7","1","3","7","3","4","1","1") = "6"
    & skf21("7","1","3","7","3","4","2","1") = "6"
    & skf21("7","1","3","7","3","4","3","1") = "6"
    & skf21("7","1","3","7","3","4","4","1") = "6"
    & skf21("7","1","3","7","3","4","5","1") = "6"
    & skf21("7","1","3","7","3","4","6","1") = "6"
    & skf21("7","1","3","7","3","4","7","1") = "6"
    & skf21("7","1","3","7","3","5","1","1") = "6"
    & skf21("7","1","3","7","3","5","2","1") = "6"
    & skf21("7","1","3","7","3","5","3","1") = "6"
    & skf21("7","1","3","7","3","5","4","1") = "6"
    & skf21("7","1","3","7","3","5","5","1") = "6"
    & skf21("7","1","3","7","3","5","6","1") = "6"
    & skf21("7","1","3","7","3","5","7","1") = "6"
    & skf21("7","1","3","7","3","6","1","1") = "6"
    & skf21("7","1","3","7","3","6","2","1") = "6"
    & skf21("7","1","3","7","3","6","3","1") = "6"
    & skf21("7","1","3","7","3","6","4","1") = "6"
    & skf21("7","1","3","7","3","6","5","1") = "6"
    & skf21("7","1","3","7","3","6","6","1") = "6"
    & skf21("7","1","3","7","3","6","7","1") = "6"
    & skf21("7","1","3","7","3","7","1","1") = "6"
    & skf21("7","1","3","7","3","7","2","1") = "6"
    & skf21("7","1","3","7","3","7","3","1") = "6"
    & skf21("7","1","3","7","3","7","4","1") = "6"
    & skf21("7","1","3","7","3","7","5","1") = "6"
    & skf21("7","1","3","7","3","7","6","1") = "6"
    & skf21("7","1","3","7","3","7","7","1") = "6"
    & skf21("7","1","3","7","4","1","1","1") = "6"
    & skf21("7","1","3","7","4","1","2","1") = "6"
    & skf21("7","1","3","7","4","1","3","1") = "6"
    & skf21("7","1","3","7","4","1","4","1") = "6"
    & skf21("7","1","3","7","4","1","5","1") = "6"
    & skf21("7","1","3","7","4","1","6","1") = "6"
    & skf21("7","1","3","7","4","1","7","1") = "6"
    & skf21("7","1","3","7","4","2","1","1") = "6"
    & skf21("7","1","3","7","4","2","2","1") = "6"
    & skf21("7","1","3","7","4","2","3","1") = "6"
    & skf21("7","1","3","7","4","2","4","1") = "6"
    & skf21("7","1","3","7","4","2","5","1") = "6"
    & skf21("7","1","3","7","4","2","6","1") = "6"
    & skf21("7","1","3","7","4","2","7","1") = "6"
    & skf21("7","1","3","7","4","3","1","1") = "6"
    & skf21("7","1","3","7","4","3","2","1") = "6"
    & skf21("7","1","3","7","4","3","3","1") = "6"
    & skf21("7","1","3","7","4","3","4","1") = "6"
    & skf21("7","1","3","7","4","3","5","1") = "6"
    & skf21("7","1","3","7","4","3","6","1") = "6"
    & skf21("7","1","3","7","4","3","7","1") = "6"
    & skf21("7","1","3","7","4","4","1","1") = "6"
    & skf21("7","1","3","7","4","4","2","1") = "6"
    & skf21("7","1","3","7","4","4","3","1") = "6"
    & skf21("7","1","3","7","4","4","4","1") = "6"
    & skf21("7","1","3","7","4","4","5","1") = "6"
    & skf21("7","1","3","7","4","4","6","1") = "6"
    & skf21("7","1","3","7","4","4","7","1") = "6"
    & skf21("7","1","3","7","4","5","1","1") = "6"
    & skf21("7","1","3","7","4","5","2","1") = "6"
    & skf21("7","1","3","7","4","5","3","1") = "6"
    & skf21("7","1","3","7","4","5","4","1") = "6"
    & skf21("7","1","3","7","4","5","5","1") = "6"
    & skf21("7","1","3","7","4","5","6","1") = "6"
    & skf21("7","1","3","7","4","5","7","1") = "6"
    & skf21("7","1","3","7","4","6","1","1") = "6"
    & skf21("7","1","3","7","4","6","2","1") = "6"
    & skf21("7","1","3","7","4","6","3","1") = "6"
    & skf21("7","1","3","7","4","6","4","1") = "6"
    & skf21("7","1","3","7","4","6","5","1") = "6"
    & skf21("7","1","3","7","4","6","6","1") = "6"
    & skf21("7","1","3","7","4","6","7","1") = "6"
    & skf21("7","1","3","7","4","7","1","1") = "6"
    & skf21("7","1","3","7","4","7","2","1") = "6"
    & skf21("7","1","3","7","4","7","3","1") = "6"
    & skf21("7","1","3","7","4","7","4","1") = "6"
    & skf21("7","1","3","7","4","7","5","1") = "6"
    & skf21("7","1","3","7","4","7","6","1") = "6"
    & skf21("7","1","3","7","4","7","7","1") = "6"
    & skf21("7","1","3","7","5","1","1","1") = "6"
    & skf21("7","1","3","7","5","1","2","1") = "6"
    & skf21("7","1","3","7","5","1","3","1") = "6"
    & skf21("7","1","3","7","5","1","4","1") = "6"
    & skf21("7","1","3","7","5","1","5","1") = "6"
    & skf21("7","1","3","7","5","1","6","1") = "6"
    & skf21("7","1","3","7","5","1","7","1") = "6"
    & skf21("7","1","3","7","5","2","1","1") = "6"
    & skf21("7","1","3","7","5","2","2","1") = "6"
    & skf21("7","1","3","7","5","2","3","1") = "6"
    & skf21("7","1","3","7","5","2","4","1") = "6"
    & skf21("7","1","3","7","5","2","5","1") = "6"
    & skf21("7","1","3","7","5","2","6","1") = "6"
    & skf21("7","1","3","7","5","2","7","1") = "6"
    & skf21("7","1","3","7","5","3","1","1") = "6"
    & skf21("7","1","3","7","5","3","2","1") = "6"
    & skf21("7","1","3","7","5","3","3","1") = "6"
    & skf21("7","1","3","7","5","3","4","1") = "6"
    & skf21("7","1","3","7","5","3","5","1") = "6"
    & skf21("7","1","3","7","5","3","6","1") = "6"
    & skf21("7","1","3","7","5","3","7","1") = "6"
    & skf21("7","1","3","7","5","4","1","1") = "6"
    & skf21("7","1","3","7","5","4","2","1") = "6"
    & skf21("7","1","3","7","5","4","3","1") = "6"
    & skf21("7","1","3","7","5","4","4","1") = "6"
    & skf21("7","1","3","7","5","4","5","1") = "6"
    & skf21("7","1","3","7","5","4","6","1") = "6"
    & skf21("7","1","3","7","5","4","7","1") = "6"
    & skf21("7","1","3","7","5","5","1","1") = "6"
    & skf21("7","1","3","7","5","5","2","1") = "6"
    & skf21("7","1","3","7","5","5","3","1") = "6"
    & skf21("7","1","3","7","5","5","4","1") = "6"
    & skf21("7","1","3","7","5","5","5","1") = "6"
    & skf21("7","1","3","7","5","5","6","1") = "6"
    & skf21("7","1","3","7","5","5","7","1") = "6"
    & skf21("7","1","3","7","5","6","1","1") = "6"
    & skf21("7","1","3","7","5","6","2","1") = "6"
    & skf21("7","1","3","7","5","6","3","1") = "6"
    & skf21("7","1","3","7","5","6","4","1") = "6"
    & skf21("7","1","3","7","5","6","5","1") = "6"
    & skf21("7","1","3","7","5","6","6","1") = "6"
    & skf21("7","1","3","7","5","6","7","1") = "6"
    & skf21("7","1","3","7","5","7","1","1") = "6"
    & skf21("7","1","3","7","5","7","2","1") = "6"
    & skf21("7","1","3","7","5","7","3","1") = "6"
    & skf21("7","1","3","7","5","7","4","1") = "6"
    & skf21("7","1","3","7","5","7","5","1") = "6"
    & skf21("7","1","3","7","5","7","6","1") = "6"
    & skf21("7","1","3","7","5","7","7","1") = "6"
    & skf21("7","1","3","7","6","1","1","1") = "6"
    & skf21("7","1","3","7","6","1","2","1") = "6"
    & skf21("7","1","3","7","6","1","3","1") = "6"
    & skf21("7","1","3","7","6","1","4","1") = "6"
    & skf21("7","1","3","7","6","1","5","1") = "6"
    & skf21("7","1","3","7","6","1","6","1") = "6"
    & skf21("7","1","3","7","6","1","7","1") = "6"
    & skf21("7","1","3","7","6","2","1","1") = "6"
    & skf21("7","1","3","7","6","2","2","1") = "6"
    & skf21("7","1","3","7","6","2","3","1") = "6"
    & skf21("7","1","3","7","6","2","4","1") = "6"
    & skf21("7","1","3","7","6","2","5","1") = "6"
    & skf21("7","1","3","7","6","2","6","1") = "6"
    & skf21("7","1","3","7","6","2","7","1") = "6"
    & skf21("7","1","3","7","6","3","1","1") = "6"
    & skf21("7","1","3","7","6","3","2","1") = "6"
    & skf21("7","1","3","7","6","3","3","1") = "6"
    & skf21("7","1","3","7","6","3","4","1") = "6"
    & skf21("7","1","3","7","6","3","5","1") = "6"
    & skf21("7","1","3","7","6","3","6","1") = "6"
    & skf21("7","1","3","7","6","3","7","1") = "6"
    & skf21("7","1","3","7","6","4","1","1") = "6"
    & skf21("7","1","3","7","6","4","2","1") = "6"
    & skf21("7","1","3","7","6","4","3","1") = "6"
    & skf21("7","1","3","7","6","4","4","1") = "6"
    & skf21("7","1","3","7","6","4","5","1") = "6"
    & skf21("7","1","3","7","6","4","6","1") = "6"
    & skf21("7","1","3","7","6","4","7","1") = "6"
    & skf21("7","1","3","7","6","5","1","1") = "6"
    & skf21("7","1","3","7","6","5","2","1") = "6"
    & skf21("7","1","3","7","6","5","3","1") = "6"
    & skf21("7","1","3","7","6","5","4","1") = "6"
    & skf21("7","1","3","7","6","5","5","1") = "6"
    & skf21("7","1","3","7","6","5","6","1") = "6"
    & skf21("7","1","3","7","6","5","7","1") = "6"
    & skf21("7","1","3","7","6","6","1","1") = "6"
    & skf21("7","1","3","7","6","6","2","1") = "6"
    & skf21("7","1","3","7","6","6","3","1") = "6"
    & skf21("7","1","3","7","6","6","4","1") = "6"
    & skf21("7","1","3","7","6","6","5","1") = "6"
    & skf21("7","1","3","7","6","6","6","1") = "6"
    & skf21("7","1","3","7","6","6","7","1") = "6"
    & skf21("7","1","3","7","6","7","1","1") = "6"
    & skf21("7","1","3","7","6","7","2","1") = "6"
    & skf21("7","1","3","7","6","7","3","1") = "6"
    & skf21("7","1","3","7","6","7","4","1") = "6"
    & skf21("7","1","3","7","6","7","5","1") = "6"
    & skf21("7","1","3","7","6","7","6","1") = "6"
    & skf21("7","1","3","7","6","7","7","1") = "6"
    & skf21("7","1","3","7","7","1","1","1") = "6"
    & skf21("7","1","3","7","7","1","2","1") = "6"
    & skf21("7","1","3","7","7","1","3","1") = "6"
    & skf21("7","1","3","7","7","1","4","1") = "6"
    & skf21("7","1","3","7","7","1","5","1") = "6"
    & skf21("7","1","3","7","7","1","6","1") = "6"
    & skf21("7","1","3","7","7","1","7","1") = "6"
    & skf21("7","1","3","7","7","2","1","1") = "6"
    & skf21("7","1","3","7","7","2","2","1") = "6"
    & skf21("7","1","3","7","7","2","3","1") = "6"
    & skf21("7","1","3","7","7","2","4","1") = "6"
    & skf21("7","1","3","7","7","2","5","1") = "6"
    & skf21("7","1","3","7","7","2","6","1") = "6"
    & skf21("7","1","3","7","7","2","7","1") = "6"
    & skf21("7","1","3","7","7","3","1","1") = "6"
    & skf21("7","1","3","7","7","3","2","1") = "6"
    & skf21("7","1","3","7","7","3","3","1") = "6"
    & skf21("7","1","3","7","7","3","4","1") = "6"
    & skf21("7","1","3","7","7","3","5","1") = "6"
    & skf21("7","1","3","7","7","3","6","1") = "6"
    & skf21("7","1","3","7","7","3","7","1") = "6"
    & skf21("7","1","3","7","7","4","1","1") = "6"
    & skf21("7","1","3","7","7","4","2","1") = "6"
    & skf21("7","1","3","7","7","4","3","1") = "6"
    & skf21("7","1","3","7","7","4","4","1") = "6"
    & skf21("7","1","3","7","7","4","5","1") = "6"
    & skf21("7","1","3","7","7","4","6","1") = "6"
    & skf21("7","1","3","7","7","4","7","1") = "6"
    & skf21("7","1","3","7","7","5","1","1") = "6"
    & skf21("7","1","3","7","7","5","2","1") = "6"
    & skf21("7","1","3","7","7","5","3","1") = "6"
    & skf21("7","1","3","7","7","5","4","1") = "6"
    & skf21("7","1","3","7","7","5","5","1") = "6"
    & skf21("7","1","3","7","7","5","6","1") = "6"
    & skf21("7","1","3","7","7","5","7","1") = "6"
    & skf21("7","1","3","7","7","6","1","1") = "6"
    & skf21("7","1","3","7","7","6","2","1") = "6"
    & skf21("7","1","3","7","7","6","3","1") = "6"
    & skf21("7","1","3","7","7","6","4","1") = "6"
    & skf21("7","1","3","7","7","6","5","1") = "6"
    & skf21("7","1","3","7","7","6","6","1") = "6"
    & skf21("7","1","3","7","7","6","7","1") = "6"
    & skf21("7","1","3","7","7","7","1","1") = "6"
    & skf21("7","1","3","7","7","7","2","1") = "6"
    & skf21("7","1","3","7","7","7","3","1") = "6"
    & skf21("7","1","3","7","7","7","4","1") = "6"
    & skf21("7","1","3","7","7","7","5","1") = "6"
    & skf21("7","1","3","7","7","7","6","1") = "6"
    & skf21("7","1","3","7","7","7","7","1") = "6"
    & skf21("7","1","4","1","1","1","1","1") = "6"
    & skf21("7","1","4","1","1","1","2","1") = "6"
    & skf21("7","1","4","1","1","1","3","1") = "6"
    & skf21("7","1","4","1","1","1","4","1") = "6"
    & skf21("7","1","4","1","1","1","5","1") = "6"
    & skf21("7","1","4","1","1","1","6","1") = "6"
    & skf21("7","1","4","1","1","1","7","1") = "6"
    & skf21("7","1","4","1","1","2","1","1") = "6"
    & skf21("7","1","4","1","1","2","2","1") = "6"
    & skf21("7","1","4","1","1","2","3","1") = "6"
    & skf21("7","1","4","1","1","2","4","1") = "6"
    & skf21("7","1","4","1","1","2","5","1") = "6"
    & skf21("7","1","4","1","1","2","6","1") = "6"
    & skf21("7","1","4","1","1","2","7","1") = "6"
    & skf21("7","1","4","1","1","3","1","1") = "6"
    & skf21("7","1","4","1","1","3","2","1") = "6"
    & skf21("7","1","4","1","1","3","3","1") = "6"
    & skf21("7","1","4","1","1","3","4","1") = "6"
    & skf21("7","1","4","1","1","3","5","1") = "6"
    & skf21("7","1","4","1","1","3","6","1") = "6"
    & skf21("7","1","4","1","1","3","7","1") = "6"
    & skf21("7","1","4","1","1","4","1","1") = "6"
    & skf21("7","1","4","1","1","4","2","1") = "6"
    & skf21("7","1","4","1","1","4","3","1") = "6"
    & skf21("7","1","4","1","1","4","4","1") = "6"
    & skf21("7","1","4","1","1","4","5","1") = "6"
    & skf21("7","1","4","1","1","4","6","1") = "6"
    & skf21("7","1","4","1","1","4","7","1") = "6"
    & skf21("7","1","4","1","1","5","1","1") = "6"
    & skf21("7","1","4","1","1","5","2","1") = "6"
    & skf21("7","1","4","1","1","5","3","1") = "6"
    & skf21("7","1","4","1","1","5","4","1") = "6"
    & skf21("7","1","4","1","1","5","5","1") = "6"
    & skf21("7","1","4","1","1","5","6","1") = "6"
    & skf21("7","1","4","1","1","5","7","1") = "6"
    & skf21("7","1","4","1","1","6","1","1") = "6"
    & skf21("7","1","4","1","1","6","2","1") = "6"
    & skf21("7","1","4","1","1","6","3","1") = "6"
    & skf21("7","1","4","1","1","6","4","1") = "6"
    & skf21("7","1","4","1","1","6","5","1") = "6"
    & skf21("7","1","4","1","1","6","6","1") = "6"
    & skf21("7","1","4","1","1","6","7","1") = "6"
    & skf21("7","1","4","1","1","7","1","1") = "6"
    & skf21("7","1","4","1","1","7","2","1") = "6"
    & skf21("7","1","4","1","1","7","3","1") = "6"
    & skf21("7","1","4","1","1","7","4","1") = "6"
    & skf21("7","1","4","1","1","7","5","1") = "6"
    & skf21("7","1","4","1","1","7","6","1") = "6"
    & skf21("7","1","4","1","1","7","7","1") = "6"
    & skf21("7","1","4","1","2","1","1","1") = "6"
    & skf21("7","1","4","1","2","1","2","1") = "6"
    & skf21("7","1","4","1","2","1","3","1") = "6"
    & skf21("7","1","4","1","2","1","4","1") = "6"
    & skf21("7","1","4","1","2","1","5","1") = "6"
    & skf21("7","1","4","1","2","1","6","1") = "6"
    & skf21("7","1","4","1","2","1","7","1") = "6"
    & skf21("7","1","4","1","2","2","1","1") = "6"
    & skf21("7","1","4","1","2","2","2","1") = "6"
    & skf21("7","1","4","1","2","2","3","1") = "6"
    & skf21("7","1","4","1","2","2","4","1") = "6"
    & skf21("7","1","4","1","2","2","5","1") = "6"
    & skf21("7","1","4","1","2","2","6","1") = "6"
    & skf21("7","1","4","1","2","2","7","1") = "6"
    & skf21("7","1","4","1","2","3","1","1") = "6"
    & skf21("7","1","4","1","2","3","2","1") = "6"
    & skf21("7","1","4","1","2","3","3","1") = "6"
    & skf21("7","1","4","1","2","3","4","1") = "6"
    & skf21("7","1","4","1","2","3","5","1") = "6"
    & skf21("7","1","4","1","2","3","6","1") = "6"
    & skf21("7","1","4","1","2","3","7","1") = "6"
    & skf21("7","1","4","1","2","4","1","1") = "6"
    & skf21("7","1","4","1","2","4","2","1") = "6"
    & skf21("7","1","4","1","2","4","3","1") = "6"
    & skf21("7","1","4","1","2","4","4","1") = "6"
    & skf21("7","1","4","1","2","4","5","1") = "6"
    & skf21("7","1","4","1","2","4","6","1") = "6"
    & skf21("7","1","4","1","2","4","7","1") = "6"
    & skf21("7","1","4","1","2","5","1","1") = "6"
    & skf21("7","1","4","1","2","5","2","1") = "6"
    & skf21("7","1","4","1","2","5","3","1") = "6"
    & skf21("7","1","4","1","2","5","4","1") = "6"
    & skf21("7","1","4","1","2","5","5","1") = "6"
    & skf21("7","1","4","1","2","5","6","1") = "6"
    & skf21("7","1","4","1","2","5","7","1") = "6"
    & skf21("7","1","4","1","2","6","1","1") = "6"
    & skf21("7","1","4","1","2","6","2","1") = "6"
    & skf21("7","1","4","1","2","6","3","1") = "6"
    & skf21("7","1","4","1","2","6","4","1") = "6"
    & skf21("7","1","4","1","2","6","5","1") = "6"
    & skf21("7","1","4","1","2","6","6","1") = "6"
    & skf21("7","1","4","1","2","6","7","1") = "6"
    & skf21("7","1","4","1","2","7","1","1") = "6"
    & skf21("7","1","4","1","2","7","2","1") = "6"
    & skf21("7","1","4","1","2","7","3","1") = "6"
    & skf21("7","1","4","1","2","7","4","1") = "6"
    & skf21("7","1","4","1","2","7","5","1") = "6"
    & skf21("7","1","4","1","2","7","6","1") = "6"
    & skf21("7","1","4","1","2","7","7","1") = "6"
    & skf21("7","1","4","1","3","1","1","1") = "6"
    & skf21("7","1","4","1","3","1","2","1") = "6"
    & skf21("7","1","4","1","3","1","3","1") = "6"
    & skf21("7","1","4","1","3","1","4","1") = "6"
    & skf21("7","1","4","1","3","1","5","1") = "6"
    & skf21("7","1","4","1","3","1","6","1") = "6"
    & skf21("7","1","4","1","3","1","7","1") = "6"
    & skf21("7","1","4","1","3","2","1","1") = "6"
    & skf21("7","1","4","1","3","2","2","1") = "6"
    & skf21("7","1","4","1","3","2","3","1") = "6"
    & skf21("7","1","4","1","3","2","4","1") = "6"
    & skf21("7","1","4","1","3","2","5","1") = "6"
    & skf21("7","1","4","1","3","2","6","1") = "6"
    & skf21("7","1","4","1","3","2","7","1") = "6"
    & skf21("7","1","4","1","3","3","1","1") = "6"
    & skf21("7","1","4","1","3","3","2","1") = "6"
    & skf21("7","1","4","1","3","3","3","1") = "6"
    & skf21("7","1","4","1","3","3","4","1") = "6"
    & skf21("7","1","4","1","3","3","5","1") = "6"
    & skf21("7","1","4","1","3","3","6","1") = "6"
    & skf21("7","1","4","1","3","3","7","1") = "6"
    & skf21("7","1","4","1","3","4","1","1") = "6"
    & skf21("7","1","4","1","3","4","2","1") = "6"
    & skf21("7","1","4","1","3","4","3","1") = "6"
    & skf21("7","1","4","1","3","4","4","1") = "6"
    & skf21("7","1","4","1","3","4","5","1") = "6"
    & skf21("7","1","4","1","3","4","6","1") = "6"
    & skf21("7","1","4","1","3","4","7","1") = "6"
    & skf21("7","1","4","1","3","5","1","1") = "6"
    & skf21("7","1","4","1","3","5","2","1") = "6"
    & skf21("7","1","4","1","3","5","3","1") = "6"
    & skf21("7","1","4","1","3","5","4","1") = "6"
    & skf21("7","1","4","1","3","5","5","1") = "6"
    & skf21("7","1","4","1","3","5","6","1") = "6"
    & skf21("7","1","4","1","3","5","7","1") = "6"
    & skf21("7","1","4","1","3","6","1","1") = "6"
    & skf21("7","1","4","1","3","6","2","1") = "6"
    & skf21("7","1","4","1","3","6","3","1") = "6"
    & skf21("7","1","4","1","3","6","4","1") = "6"
    & skf21("7","1","4","1","3","6","5","1") = "6"
    & skf21("7","1","4","1","3","6","6","1") = "6"
    & skf21("7","1","4","1","3","6","7","1") = "6"
    & skf21("7","1","4","1","3","7","1","1") = "6"
    & skf21("7","1","4","1","3","7","2","1") = "6"
    & skf21("7","1","4","1","3","7","3","1") = "6"
    & skf21("7","1","4","1","3","7","4","1") = "6"
    & skf21("7","1","4","1","3","7","5","1") = "6"
    & skf21("7","1","4","1","3","7","6","1") = "6"
    & skf21("7","1","4","1","3","7","7","1") = "6"
    & skf21("7","1","4","1","4","1","1","1") = "6"
    & skf21("7","1","4","1","4","1","2","1") = "6"
    & skf21("7","1","4","1","4","1","3","1") = "6"
    & skf21("7","1","4","1","4","1","4","1") = "6"
    & skf21("7","1","4","1","4","1","5","1") = "6"
    & skf21("7","1","4","1","4","1","6","1") = "6"
    & skf21("7","1","4","1","4","1","7","1") = "6"
    & skf21("7","1","4","1","4","2","1","1") = "6"
    & skf21("7","1","4","1","4","2","2","1") = "6"
    & skf21("7","1","4","1","4","2","3","1") = "6"
    & skf21("7","1","4","1","4","2","4","1") = "6"
    & skf21("7","1","4","1","4","2","5","1") = "6"
    & skf21("7","1","4","1","4","2","6","1") = "6"
    & skf21("7","1","4","1","4","2","7","1") = "6"
    & skf21("7","1","4","1","4","3","1","1") = "6"
    & skf21("7","1","4","1","4","3","2","1") = "6"
    & skf21("7","1","4","1","4","3","3","1") = "6"
    & skf21("7","1","4","1","4","3","4","1") = "6"
    & skf21("7","1","4","1","4","3","5","1") = "6"
    & skf21("7","1","4","1","4","3","6","1") = "6"
    & skf21("7","1","4","1","4","3","7","1") = "6"
    & skf21("7","1","4","1","4","4","1","1") = "6"
    & skf21("7","1","4","1","4","4","2","1") = "6"
    & skf21("7","1","4","1","4","4","3","1") = "6"
    & skf21("7","1","4","1","4","4","4","1") = "6"
    & skf21("7","1","4","1","4","4","5","1") = "6"
    & skf21("7","1","4","1","4","4","6","1") = "6"
    & skf21("7","1","4","1","4","4","7","1") = "6"
    & skf21("7","1","4","1","4","5","1","1") = "6"
    & skf21("7","1","4","1","4","5","2","1") = "6"
    & skf21("7","1","4","1","4","5","3","1") = "6"
    & skf21("7","1","4","1","4","5","4","1") = "6"
    & skf21("7","1","4","1","4","5","5","1") = "6"
    & skf21("7","1","4","1","4","5","6","1") = "6"
    & skf21("7","1","4","1","4","5","7","1") = "6"
    & skf21("7","1","4","1","4","6","1","1") = "6"
    & skf21("7","1","4","1","4","6","2","1") = "6"
    & skf21("7","1","4","1","4","6","3","1") = "6"
    & skf21("7","1","4","1","4","6","4","1") = "6"
    & skf21("7","1","4","1","4","6","5","1") = "6"
    & skf21("7","1","4","1","4","6","6","1") = "6"
    & skf21("7","1","4","1","4","6","7","1") = "6"
    & skf21("7","1","4","1","4","7","1","1") = "6"
    & skf21("7","1","4","1","4","7","2","1") = "6"
    & skf21("7","1","4","1","4","7","3","1") = "6"
    & skf21("7","1","4","1","4","7","4","1") = "6"
    & skf21("7","1","4","1","4","7","5","1") = "6"
    & skf21("7","1","4","1","4","7","6","1") = "6"
    & skf21("7","1","4","1","4","7","7","1") = "6"
    & skf21("7","1","4","1","5","1","1","1") = "6"
    & skf21("7","1","4","1","5","1","2","1") = "6"
    & skf21("7","1","4","1","5","1","3","1") = "6"
    & skf21("7","1","4","1","5","1","4","1") = "6"
    & skf21("7","1","4","1","5","1","5","1") = "6"
    & skf21("7","1","4","1","5","1","6","1") = "6"
    & skf21("7","1","4","1","5","1","7","1") = "6"
    & skf21("7","1","4","1","5","2","1","1") = "6"
    & skf21("7","1","4","1","5","2","2","1") = "6"
    & skf21("7","1","4","1","5","2","3","1") = "6"
    & skf21("7","1","4","1","5","2","4","1") = "6"
    & skf21("7","1","4","1","5","2","5","1") = "6"
    & skf21("7","1","4","1","5","2","6","1") = "6"
    & skf21("7","1","4","1","5","2","7","1") = "6"
    & skf21("7","1","4","1","5","3","1","1") = "6"
    & skf21("7","1","4","1","5","3","2","1") = "6"
    & skf21("7","1","4","1","5","3","3","1") = "6"
    & skf21("7","1","4","1","5","3","4","1") = "6"
    & skf21("7","1","4","1","5","3","5","1") = "6"
    & skf21("7","1","4","1","5","3","6","1") = "6"
    & skf21("7","1","4","1","5","3","7","1") = "6"
    & skf21("7","1","4","1","5","4","1","1") = "6"
    & skf21("7","1","4","1","5","4","2","1") = "6"
    & skf21("7","1","4","1","5","4","3","1") = "6"
    & skf21("7","1","4","1","5","4","4","1") = "6"
    & skf21("7","1","4","1","5","4","5","1") = "6"
    & skf21("7","1","4","1","5","4","6","1") = "6"
    & skf21("7","1","4","1","5","4","7","1") = "6"
    & skf21("7","1","4","1","5","5","1","1") = "6"
    & skf21("7","1","4","1","5","5","2","1") = "6"
    & skf21("7","1","4","1","5","5","3","1") = "6"
    & skf21("7","1","4","1","5","5","4","1") = "6"
    & skf21("7","1","4","1","5","5","5","1") = "6"
    & skf21("7","1","4","1","5","5","6","1") = "6"
    & skf21("7","1","4","1","5","5","7","1") = "6"
    & skf21("7","1","4","1","5","6","1","1") = "6"
    & skf21("7","1","4","1","5","6","2","1") = "6"
    & skf21("7","1","4","1","5","6","3","1") = "6"
    & skf21("7","1","4","1","5","6","4","1") = "6"
    & skf21("7","1","4","1","5","6","5","1") = "6"
    & skf21("7","1","4","1","5","6","6","1") = "6"
    & skf21("7","1","4","1","5","6","7","1") = "6"
    & skf21("7","1","4","1","5","7","1","1") = "6"
    & skf21("7","1","4","1","5","7","2","1") = "6"
    & skf21("7","1","4","1","5","7","3","1") = "6"
    & skf21("7","1","4","1","5","7","4","1") = "6"
    & skf21("7","1","4","1","5","7","5","1") = "6"
    & skf21("7","1","4","1","5","7","6","1") = "6"
    & skf21("7","1","4","1","5","7","7","1") = "6"
    & skf21("7","1","4","1","6","1","1","1") = "6"
    & skf21("7","1","4","1","6","1","2","1") = "6"
    & skf21("7","1","4","1","6","1","3","1") = "6"
    & skf21("7","1","4","1","6","1","4","1") = "6"
    & skf21("7","1","4","1","6","1","5","1") = "6"
    & skf21("7","1","4","1","6","1","6","1") = "6"
    & skf21("7","1","4","1","6","1","7","1") = "6"
    & skf21("7","1","4","1","6","2","1","1") = "6"
    & skf21("7","1","4","1","6","2","2","1") = "6"
    & skf21("7","1","4","1","6","2","3","1") = "6"
    & skf21("7","1","4","1","6","2","4","1") = "6"
    & skf21("7","1","4","1","6","2","5","1") = "6"
    & skf21("7","1","4","1","6","2","6","1") = "6"
    & skf21("7","1","4","1","6","2","7","1") = "6"
    & skf21("7","1","4","1","6","3","1","1") = "6"
    & skf21("7","1","4","1","6","3","2","1") = "6"
    & skf21("7","1","4","1","6","3","3","1") = "6"
    & skf21("7","1","4","1","6","3","4","1") = "6"
    & skf21("7","1","4","1","6","3","5","1") = "6"
    & skf21("7","1","4","1","6","3","6","1") = "6"
    & skf21("7","1","4","1","6","3","7","1") = "6"
    & skf21("7","1","4","1","6","4","1","1") = "6"
    & skf21("7","1","4","1","6","4","2","1") = "6"
    & skf21("7","1","4","1","6","4","3","1") = "6"
    & skf21("7","1","4","1","6","4","4","1") = "6"
    & skf21("7","1","4","1","6","4","5","1") = "6"
    & skf21("7","1","4","1","6","4","6","1") = "6"
    & skf21("7","1","4","1","6","4","7","1") = "6"
    & skf21("7","1","4","1","6","5","1","1") = "6"
    & skf21("7","1","4","1","6","5","2","1") = "6"
    & skf21("7","1","4","1","6","5","3","1") = "6"
    & skf21("7","1","4","1","6","5","4","1") = "6"
    & skf21("7","1","4","1","6","5","5","1") = "6"
    & skf21("7","1","4","1","6","5","6","1") = "6"
    & skf21("7","1","4","1","6","5","7","1") = "6"
    & skf21("7","1","4","1","6","6","1","1") = "6"
    & skf21("7","1","4","1","6","6","2","1") = "6"
    & skf21("7","1","4","1","6","6","3","1") = "6"
    & skf21("7","1","4","1","6","6","4","1") = "6"
    & skf21("7","1","4","1","6","6","5","1") = "6"
    & skf21("7","1","4","1","6","6","6","1") = "6"
    & skf21("7","1","4","1","6","6","7","1") = "6"
    & skf21("7","1","4","1","6","7","1","1") = "6"
    & skf21("7","1","4","1","6","7","2","1") = "6"
    & skf21("7","1","4","1","6","7","3","1") = "6"
    & skf21("7","1","4","1","6","7","4","1") = "6"
    & skf21("7","1","4","1","6","7","5","1") = "6"
    & skf21("7","1","4","1","6","7","6","1") = "6"
    & skf21("7","1","4","1","6","7","7","1") = "6"
    & skf21("7","1","4","1","7","1","1","1") = "6"
    & skf21("7","1","4","1","7","1","2","1") = "6"
    & skf21("7","1","4","1","7","1","3","1") = "6"
    & skf21("7","1","4","1","7","1","4","1") = "6"
    & skf21("7","1","4","1","7","1","5","1") = "6"
    & skf21("7","1","4","1","7","1","6","1") = "6"
    & skf21("7","1","4","1","7","1","7","1") = "6"
    & skf21("7","1","4","1","7","2","1","1") = "6"
    & skf21("7","1","4","1","7","2","2","1") = "6"
    & skf21("7","1","4","1","7","2","3","1") = "6"
    & skf21("7","1","4","1","7","2","4","1") = "6"
    & skf21("7","1","4","1","7","2","5","1") = "6"
    & skf21("7","1","4","1","7","2","6","1") = "6"
    & skf21("7","1","4","1","7","2","7","1") = "6"
    & skf21("7","1","4","1","7","3","1","1") = "6"
    & skf21("7","1","4","1","7","3","2","1") = "6"
    & skf21("7","1","4","1","7","3","3","1") = "6"
    & skf21("7","1","4","1","7","3","4","1") = "6"
    & skf21("7","1","4","1","7","3","5","1") = "6"
    & skf21("7","1","4","1","7","3","6","1") = "6"
    & skf21("7","1","4","1","7","3","7","1") = "6"
    & skf21("7","1","4","1","7","4","1","1") = "6"
    & skf21("7","1","4","1","7","4","2","1") = "6"
    & skf21("7","1","4","1","7","4","3","1") = "6"
    & skf21("7","1","4","1","7","4","4","1") = "6"
    & skf21("7","1","4","1","7","4","5","1") = "6"
    & skf21("7","1","4","1","7","4","6","1") = "6"
    & skf21("7","1","4","1","7","4","7","1") = "6"
    & skf21("7","1","4","1","7","5","1","1") = "6"
    & skf21("7","1","4","1","7","5","2","1") = "6"
    & skf21("7","1","4","1","7","5","3","1") = "6"
    & skf21("7","1","4","1","7","5","4","1") = "6"
    & skf21("7","1","4","1","7","5","5","1") = "6"
    & skf21("7","1","4","1","7","5","6","1") = "6"
    & skf21("7","1","4","1","7","5","7","1") = "6"
    & skf21("7","1","4","1","7","6","1","1") = "6"
    & skf21("7","1","4","1","7","6","2","1") = "6"
    & skf21("7","1","4","1","7","6","3","1") = "6"
    & skf21("7","1","4","1","7","6","4","1") = "6"
    & skf21("7","1","4","1","7","6","5","1") = "6"
    & skf21("7","1","4","1","7","6","6","1") = "6"
    & skf21("7","1","4","1","7","6","7","1") = "6"
    & skf21("7","1","4","1","7","7","1","1") = "6"
    & skf21("7","1","4","1","7","7","2","1") = "6"
    & skf21("7","1","4","1","7","7","3","1") = "6"
    & skf21("7","1","4","1","7","7","4","1") = "6"
    & skf21("7","1","4","1","7","7","5","1") = "6"
    & skf21("7","1","4","1","7","7","6","1") = "6"
    & skf21("7","1","4","1","7","7","7","1") = "6"
    & skf21("7","1","4","2","1","1","1","1") = "6"
    & skf21("7","1","4","2","1","1","2","1") = "6"
    & skf21("7","1","4","2","1","1","3","1") = "6"
    & skf21("7","1","4","2","1","1","4","1") = "6"
    & skf21("7","1","4","2","1","1","5","1") = "6"
    & skf21("7","1","4","2","1","1","6","1") = "6"
    & skf21("7","1","4","2","1","1","7","1") = "6"
    & skf21("7","1","4","2","1","2","1","1") = "6"
    & skf21("7","1","4","2","1","2","2","1") = "6"
    & skf21("7","1","4","2","1","2","3","1") = "6"
    & skf21("7","1","4","2","1","2","4","1") = "6"
    & skf21("7","1","4","2","1","2","5","1") = "6"
    & skf21("7","1","4","2","1","2","6","1") = "6"
    & skf21("7","1","4","2","1","2","7","1") = "6"
    & skf21("7","1","4","2","1","3","1","1") = "6"
    & skf21("7","1","4","2","1","3","2","1") = "6"
    & skf21("7","1","4","2","1","3","3","1") = "6"
    & skf21("7","1","4","2","1","3","4","1") = "6"
    & skf21("7","1","4","2","1","3","5","1") = "6"
    & skf21("7","1","4","2","1","3","6","1") = "6"
    & skf21("7","1","4","2","1","3","7","1") = "6"
    & skf21("7","1","4","2","1","4","1","1") = "6"
    & skf21("7","1","4","2","1","4","2","1") = "6"
    & skf21("7","1","4","2","1","4","3","1") = "6"
    & skf21("7","1","4","2","1","4","4","1") = "6"
    & skf21("7","1","4","2","1","4","5","1") = "6"
    & skf21("7","1","4","2","1","4","6","1") = "6"
    & skf21("7","1","4","2","1","4","7","1") = "6"
    & skf21("7","1","4","2","1","5","1","1") = "6"
    & skf21("7","1","4","2","1","5","2","1") = "6"
    & skf21("7","1","4","2","1","5","3","1") = "6"
    & skf21("7","1","4","2","1","5","4","1") = "6"
    & skf21("7","1","4","2","1","5","5","1") = "6"
    & skf21("7","1","4","2","1","5","6","1") = "6"
    & skf21("7","1","4","2","1","5","7","1") = "6"
    & skf21("7","1","4","2","1","6","1","1") = "6"
    & skf21("7","1","4","2","1","6","2","1") = "6"
    & skf21("7","1","4","2","1","6","3","1") = "6"
    & skf21("7","1","4","2","1","6","4","1") = "6"
    & skf21("7","1","4","2","1","6","5","1") = "6"
    & skf21("7","1","4","2","1","6","6","1") = "6"
    & skf21("7","1","4","2","1","6","7","1") = "6"
    & skf21("7","1","4","2","1","7","1","1") = "6"
    & skf21("7","1","4","2","1","7","2","1") = "6"
    & skf21("7","1","4","2","1","7","3","1") = "6"
    & skf21("7","1","4","2","1","7","4","1") = "6"
    & skf21("7","1","4","2","1","7","5","1") = "6"
    & skf21("7","1","4","2","1","7","6","1") = "6"
    & skf21("7","1","4","2","1","7","7","1") = "6"
    & skf21("7","1","4","2","2","1","1","1") = "6"
    & skf21("7","1","4","2","2","1","2","1") = "6"
    & skf21("7","1","4","2","2","1","3","1") = "6"
    & skf21("7","1","4","2","2","1","4","1") = "6"
    & skf21("7","1","4","2","2","1","5","1") = "6"
    & skf21("7","1","4","2","2","1","6","1") = "6"
    & skf21("7","1","4","2","2","1","7","1") = "6"
    & skf21("7","1","4","2","2","2","1","1") = "6"
    & skf21("7","1","4","2","2","2","2","1") = "6"
    & skf21("7","1","4","2","2","2","3","1") = "6"
    & skf21("7","1","4","2","2","2","4","1") = "6"
    & skf21("7","1","4","2","2","2","5","1") = "6"
    & skf21("7","1","4","2","2","2","6","1") = "6"
    & skf21("7","1","4","2","2","2","7","1") = "6"
    & skf21("7","1","4","2","2","3","1","1") = "6"
    & skf21("7","1","4","2","2","3","2","1") = "6"
    & skf21("7","1","4","2","2","3","3","1") = "6"
    & skf21("7","1","4","2","2","3","4","1") = "6"
    & skf21("7","1","4","2","2","3","5","1") = "6"
    & skf21("7","1","4","2","2","3","6","1") = "6"
    & skf21("7","1","4","2","2","3","7","1") = "6"
    & skf21("7","1","4","2","2","4","1","1") = "6"
    & skf21("7","1","4","2","2","4","2","1") = "6"
    & skf21("7","1","4","2","2","4","3","1") = "6"
    & skf21("7","1","4","2","2","4","4","1") = "6"
    & skf21("7","1","4","2","2","4","5","1") = "6"
    & skf21("7","1","4","2","2","4","6","1") = "6"
    & skf21("7","1","4","2","2","4","7","1") = "6"
    & skf21("7","1","4","2","2","5","1","1") = "6"
    & skf21("7","1","4","2","2","5","2","1") = "6"
    & skf21("7","1","4","2","2","5","3","1") = "6"
    & skf21("7","1","4","2","2","5","4","1") = "6"
    & skf21("7","1","4","2","2","5","5","1") = "6"
    & skf21("7","1","4","2","2","5","6","1") = "6"
    & skf21("7","1","4","2","2","5","7","1") = "6"
    & skf21("7","1","4","2","2","6","1","1") = "6"
    & skf21("7","1","4","2","2","6","2","1") = "6"
    & skf21("7","1","4","2","2","6","3","1") = "6"
    & skf21("7","1","4","2","2","6","4","1") = "6"
    & skf21("7","1","4","2","2","6","5","1") = "6"
    & skf21("7","1","4","2","2","6","6","1") = "6"
    & skf21("7","1","4","2","2","6","7","1") = "6"
    & skf21("7","1","4","2","2","7","1","1") = "6"
    & skf21("7","1","4","2","2","7","2","1") = "6"
    & skf21("7","1","4","2","2","7","3","1") = "6"
    & skf21("7","1","4","2","2","7","4","1") = "6"
    & skf21("7","1","4","2","2","7","5","1") = "6"
    & skf21("7","1","4","2","2","7","6","1") = "6"
    & skf21("7","1","4","2","2","7","7","1") = "6"
    & skf21("7","1","4","2","3","1","1","1") = "6"
    & skf21("7","1","4","2","3","1","2","1") = "6"
    & skf21("7","1","4","2","3","1","3","1") = "6"
    & skf21("7","1","4","2","3","1","4","1") = "6"
    & skf21("7","1","4","2","3","1","5","1") = "6"
    & skf21("7","1","4","2","3","1","6","1") = "6"
    & skf21("7","1","4","2","3","1","7","1") = "6"
    & skf21("7","1","4","2","3","2","1","1") = "6"
    & skf21("7","1","4","2","3","2","2","1") = "6"
    & skf21("7","1","4","2","3","2","3","1") = "6"
    & skf21("7","1","4","2","3","2","4","1") = "6"
    & skf21("7","1","4","2","3","2","5","1") = "6"
    & skf21("7","1","4","2","3","2","6","1") = "6"
    & skf21("7","1","4","2","3","2","7","1") = "6"
    & skf21("7","1","4","2","3","3","1","1") = "6"
    & skf21("7","1","4","2","3","3","2","1") = "6"
    & skf21("7","1","4","2","3","3","3","1") = "6"
    & skf21("7","1","4","2","3","3","4","1") = "6"
    & skf21("7","1","4","2","3","3","5","1") = "6"
    & skf21("7","1","4","2","3","3","6","1") = "6"
    & skf21("7","1","4","2","3","3","7","1") = "6"
    & skf21("7","1","4","2","3","4","1","1") = "6"
    & skf21("7","1","4","2","3","4","2","1") = "6"
    & skf21("7","1","4","2","3","4","3","1") = "6"
    & skf21("7","1","4","2","3","4","4","1") = "6"
    & skf21("7","1","4","2","3","4","5","1") = "6"
    & skf21("7","1","4","2","3","4","6","1") = "6"
    & skf21("7","1","4","2","3","4","7","1") = "6"
    & skf21("7","1","4","2","3","5","1","1") = "6"
    & skf21("7","1","4","2","3","5","2","1") = "6"
    & skf21("7","1","4","2","3","5","3","1") = "6"
    & skf21("7","1","4","2","3","5","4","1") = "6"
    & skf21("7","1","4","2","3","5","5","1") = "6"
    & skf21("7","1","4","2","3","5","6","1") = "6"
    & skf21("7","1","4","2","3","5","7","1") = "6"
    & skf21("7","1","4","2","3","6","1","1") = "6"
    & skf21("7","1","4","2","3","6","2","1") = "6"
    & skf21("7","1","4","2","3","6","3","1") = "6"
    & skf21("7","1","4","2","3","6","4","1") = "6"
    & skf21("7","1","4","2","3","6","5","1") = "6"
    & skf21("7","1","4","2","3","6","6","1") = "6"
    & skf21("7","1","4","2","3","6","7","1") = "6"
    & skf21("7","1","4","2","3","7","1","1") = "6"
    & skf21("7","1","4","2","3","7","2","1") = "6"
    & skf21("7","1","4","2","3","7","3","1") = "6"
    & skf21("7","1","4","2","3","7","4","1") = "6"
    & skf21("7","1","4","2","3","7","5","1") = "6"
    & skf21("7","1","4","2","3","7","6","1") = "6"
    & skf21("7","1","4","2","3","7","7","1") = "6"
    & skf21("7","1","4","2","4","1","1","1") = "6"
    & skf21("7","1","4","2","4","1","2","1") = "6"
    & skf21("7","1","4","2","4","1","3","1") = "6"
    & skf21("7","1","4","2","4","1","4","1") = "6"
    & skf21("7","1","4","2","4","1","5","1") = "6"
    & skf21("7","1","4","2","4","1","6","1") = "6"
    & skf21("7","1","4","2","4","1","7","1") = "6"
    & skf21("7","1","4","2","4","2","1","1") = "6"
    & skf21("7","1","4","2","4","2","2","1") = "6"
    & skf21("7","1","4","2","4","2","3","1") = "6"
    & skf21("7","1","4","2","4","2","4","1") = "6"
    & skf21("7","1","4","2","4","2","5","1") = "6"
    & skf21("7","1","4","2","4","2","6","1") = "6"
    & skf21("7","1","4","2","4","2","7","1") = "6"
    & skf21("7","1","4","2","4","3","1","1") = "6"
    & skf21("7","1","4","2","4","3","2","1") = "6"
    & skf21("7","1","4","2","4","3","3","1") = "6"
    & skf21("7","1","4","2","4","3","4","1") = "6"
    & skf21("7","1","4","2","4","3","5","1") = "6"
    & skf21("7","1","4","2","4","3","6","1") = "6"
    & skf21("7","1","4","2","4","3","7","1") = "6"
    & skf21("7","1","4","2","4","4","1","1") = "6"
    & skf21("7","1","4","2","4","4","2","1") = "6"
    & skf21("7","1","4","2","4","4","3","1") = "6"
    & skf21("7","1","4","2","4","4","4","1") = "6"
    & skf21("7","1","4","2","4","4","5","1") = "6"
    & skf21("7","1","4","2","4","4","6","1") = "6"
    & skf21("7","1","4","2","4","4","7","1") = "6"
    & skf21("7","1","4","2","4","5","1","1") = "6"
    & skf21("7","1","4","2","4","5","2","1") = "6"
    & skf21("7","1","4","2","4","5","3","1") = "6"
    & skf21("7","1","4","2","4","5","4","1") = "6"
    & skf21("7","1","4","2","4","5","5","1") = "6"
    & skf21("7","1","4","2","4","5","6","1") = "6"
    & skf21("7","1","4","2","4","5","7","1") = "6"
    & skf21("7","1","4","2","4","6","1","1") = "6"
    & skf21("7","1","4","2","4","6","2","1") = "6"
    & skf21("7","1","4","2","4","6","3","1") = "6"
    & skf21("7","1","4","2","4","6","4","1") = "6"
    & skf21("7","1","4","2","4","6","5","1") = "6"
    & skf21("7","1","4","2","4","6","6","1") = "6"
    & skf21("7","1","4","2","4","6","7","1") = "6"
    & skf21("7","1","4","2","4","7","1","1") = "6"
    & skf21("7","1","4","2","4","7","2","1") = "6"
    & skf21("7","1","4","2","4","7","3","1") = "6"
    & skf21("7","1","4","2","4","7","4","1") = "6"
    & skf21("7","1","4","2","4","7","5","1") = "6"
    & skf21("7","1","4","2","4","7","6","1") = "6"
    & skf21("7","1","4","2","4","7","7","1") = "6"
    & skf21("7","1","4","2","5","1","1","1") = "6"
    & skf21("7","1","4","2","5","1","2","1") = "6"
    & skf21("7","1","4","2","5","1","3","1") = "6"
    & skf21("7","1","4","2","5","1","4","1") = "6"
    & skf21("7","1","4","2","5","1","5","1") = "6"
    & skf21("7","1","4","2","5","1","6","1") = "6"
    & skf21("7","1","4","2","5","1","7","1") = "6"
    & skf21("7","1","4","2","5","2","1","1") = "6"
    & skf21("7","1","4","2","5","2","2","1") = "6"
    & skf21("7","1","4","2","5","2","3","1") = "6"
    & skf21("7","1","4","2","5","2","4","1") = "6"
    & skf21("7","1","4","2","5","2","5","1") = "6"
    & skf21("7","1","4","2","5","2","6","1") = "6"
    & skf21("7","1","4","2","5","2","7","1") = "6"
    & skf21("7","1","4","2","5","3","1","1") = "6"
    & skf21("7","1","4","2","5","3","2","1") = "6"
    & skf21("7","1","4","2","5","3","3","1") = "6"
    & skf21("7","1","4","2","5","3","4","1") = "6"
    & skf21("7","1","4","2","5","3","5","1") = "6"
    & skf21("7","1","4","2","5","3","6","1") = "6"
    & skf21("7","1","4","2","5","3","7","1") = "6"
    & skf21("7","1","4","2","5","4","1","1") = "6"
    & skf21("7","1","4","2","5","4","2","1") = "6"
    & skf21("7","1","4","2","5","4","3","1") = "6"
    & skf21("7","1","4","2","5","4","4","1") = "6"
    & skf21("7","1","4","2","5","4","5","1") = "6"
    & skf21("7","1","4","2","5","4","6","1") = "6"
    & skf21("7","1","4","2","5","4","7","1") = "6"
    & skf21("7","1","4","2","5","5","1","1") = "6"
    & skf21("7","1","4","2","5","5","2","1") = "6"
    & skf21("7","1","4","2","5","5","3","1") = "6"
    & skf21("7","1","4","2","5","5","4","1") = "6"
    & skf21("7","1","4","2","5","5","5","1") = "6"
    & skf21("7","1","4","2","5","5","6","1") = "6"
    & skf21("7","1","4","2","5","5","7","1") = "6"
    & skf21("7","1","4","2","5","6","1","1") = "6"
    & skf21("7","1","4","2","5","6","2","1") = "6"
    & skf21("7","1","4","2","5","6","3","1") = "6"
    & skf21("7","1","4","2","5","6","4","1") = "6"
    & skf21("7","1","4","2","5","6","5","1") = "6"
    & skf21("7","1","4","2","5","6","6","1") = "6"
    & skf21("7","1","4","2","5","6","7","1") = "6"
    & skf21("7","1","4","2","5","7","1","1") = "6"
    & skf21("7","1","4","2","5","7","2","1") = "6"
    & skf21("7","1","4","2","5","7","3","1") = "6"
    & skf21("7","1","4","2","5","7","4","1") = "6"
    & skf21("7","1","4","2","5","7","5","1") = "6"
    & skf21("7","1","4","2","5","7","6","1") = "6"
    & skf21("7","1","4","2","5","7","7","1") = "6"
    & skf21("7","1","4","2","6","1","1","1") = "6"
    & skf21("7","1","4","2","6","1","2","1") = "6"
    & skf21("7","1","4","2","6","1","3","1") = "6"
    & skf21("7","1","4","2","6","1","4","1") = "6"
    & skf21("7","1","4","2","6","1","5","1") = "6"
    & skf21("7","1","4","2","6","1","6","1") = "6"
    & skf21("7","1","4","2","6","1","7","1") = "6"
    & skf21("7","1","4","2","6","2","1","1") = "6"
    & skf21("7","1","4","2","6","2","2","1") = "6"
    & skf21("7","1","4","2","6","2","3","1") = "6"
    & skf21("7","1","4","2","6","2","4","1") = "6"
    & skf21("7","1","4","2","6","2","5","1") = "6"
    & skf21("7","1","4","2","6","2","6","1") = "6"
    & skf21("7","1","4","2","6","2","7","1") = "6"
    & skf21("7","1","4","2","6","3","1","1") = "6"
    & skf21("7","1","4","2","6","3","2","1") = "6"
    & skf21("7","1","4","2","6","3","3","1") = "6"
    & skf21("7","1","4","2","6","3","4","1") = "6"
    & skf21("7","1","4","2","6","3","5","1") = "6"
    & skf21("7","1","4","2","6","3","6","1") = "6"
    & skf21("7","1","4","2","6","3","7","1") = "6"
    & skf21("7","1","4","2","6","4","1","1") = "6"
    & skf21("7","1","4","2","6","4","2","1") = "6"
    & skf21("7","1","4","2","6","4","3","1") = "6"
    & skf21("7","1","4","2","6","4","4","1") = "6"
    & skf21("7","1","4","2","6","4","5","1") = "6"
    & skf21("7","1","4","2","6","4","6","1") = "6"
    & skf21("7","1","4","2","6","4","7","1") = "6"
    & skf21("7","1","4","2","6","5","1","1") = "6"
    & skf21("7","1","4","2","6","5","2","1") = "6"
    & skf21("7","1","4","2","6","5","3","1") = "6"
    & skf21("7","1","4","2","6","5","4","1") = "6"
    & skf21("7","1","4","2","6","5","5","1") = "6"
    & skf21("7","1","4","2","6","5","6","1") = "6"
    & skf21("7","1","4","2","6","5","7","1") = "6"
    & skf21("7","1","4","2","6","6","1","1") = "6"
    & skf21("7","1","4","2","6","6","2","1") = "6"
    & skf21("7","1","4","2","6","6","3","1") = "6"
    & skf21("7","1","4","2","6","6","4","1") = "6"
    & skf21("7","1","4","2","6","6","5","1") = "6"
    & skf21("7","1","4","2","6","6","6","1") = "6"
    & skf21("7","1","4","2","6","6","7","1") = "6"
    & skf21("7","1","4","2","6","7","1","1") = "6"
    & skf21("7","1","4","2","6","7","2","1") = "6"
    & skf21("7","1","4","2","6","7","3","1") = "6"
    & skf21("7","1","4","2","6","7","4","1") = "6"
    & skf21("7","1","4","2","6","7","5","1") = "6"
    & skf21("7","1","4","2","6","7","6","1") = "6"
    & skf21("7","1","4","2","6","7","7","1") = "6"
    & skf21("7","1","4","2","7","1","1","1") = "6"
    & skf21("7","1","4","2","7","1","2","1") = "6"
    & skf21("7","1","4","2","7","1","3","1") = "6"
    & skf21("7","1","4","2","7","1","4","1") = "6"
    & skf21("7","1","4","2","7","1","5","1") = "6"
    & skf21("7","1","4","2","7","1","6","1") = "6"
    & skf21("7","1","4","2","7","1","7","1") = "6"
    & skf21("7","1","4","2","7","2","1","1") = "6"
    & skf21("7","1","4","2","7","2","2","1") = "6"
    & skf21("7","1","4","2","7","2","3","1") = "6"
    & skf21("7","1","4","2","7","2","4","1") = "6"
    & skf21("7","1","4","2","7","2","5","1") = "6"
    & skf21("7","1","4","2","7","2","6","1") = "6"
    & skf21("7","1","4","2","7","2","7","1") = "6"
    & skf21("7","1","4","2","7","3","1","1") = "6"
    & skf21("7","1","4","2","7","3","2","1") = "6"
    & skf21("7","1","4","2","7","3","3","1") = "6"
    & skf21("7","1","4","2","7","3","4","1") = "6"
    & skf21("7","1","4","2","7","3","5","1") = "6"
    & skf21("7","1","4","2","7","3","6","1") = "6"
    & skf21("7","1","4","2","7","3","7","1") = "6"
    & skf21("7","1","4","2","7","4","1","1") = "6"
    & skf21("7","1","4","2","7","4","2","1") = "6"
    & skf21("7","1","4","2","7","4","3","1") = "6"
    & skf21("7","1","4","2","7","4","4","1") = "6"
    & skf21("7","1","4","2","7","4","5","1") = "6"
    & skf21("7","1","4","2","7","4","6","1") = "6"
    & skf21("7","1","4","2","7","4","7","1") = "6"
    & skf21("7","1","4","2","7","5","1","1") = "6"
    & skf21("7","1","4","2","7","5","2","1") = "6"
    & skf21("7","1","4","2","7","5","3","1") = "6"
    & skf21("7","1","4","2","7","5","4","1") = "6"
    & skf21("7","1","4","2","7","5","5","1") = "6"
    & skf21("7","1","4","2","7","5","6","1") = "6"
    & skf21("7","1","4","2","7","5","7","1") = "6"
    & skf21("7","1","4","2","7","6","1","1") = "6"
    & skf21("7","1","4","2","7","6","2","1") = "6"
    & skf21("7","1","4","2","7","6","3","1") = "6"
    & skf21("7","1","4","2","7","6","4","1") = "6"
    & skf21("7","1","4","2","7","6","5","1") = "6"
    & skf21("7","1","4","2","7","6","6","1") = "6"
    & skf21("7","1","4","2","7","6","7","1") = "6"
    & skf21("7","1","4","2","7","7","1","1") = "6"
    & skf21("7","1","4","2","7","7","2","1") = "6"
    & skf21("7","1","4","2","7","7","3","1") = "6"
    & skf21("7","1","4","2","7","7","4","1") = "6"
    & skf21("7","1","4","2","7","7","5","1") = "6"
    & skf21("7","1","4","2","7","7","6","1") = "6"
    & skf21("7","1","4","2","7","7","7","1") = "6"
    & skf21("7","1","4","3","1","1","1","1") = "6"
    & skf21("7","1","4","3","1","1","2","1") = "6"
    & skf21("7","1","4","3","1","1","3","1") = "6"
    & skf21("7","1","4","3","1","1","4","1") = "6"
    & skf21("7","1","4","3","1","1","5","1") = "6"
    & skf21("7","1","4","3","1","1","6","1") = "6"
    & skf21("7","1","4","3","1","1","7","1") = "6"
    & skf21("7","1","4","3","1","2","1","1") = "6"
    & skf21("7","1","4","3","1","2","2","1") = "6"
    & skf21("7","1","4","3","1","2","3","1") = "6"
    & skf21("7","1","4","3","1","2","4","1") = "6"
    & skf21("7","1","4","3","1","2","5","1") = "6"
    & skf21("7","1","4","3","1","2","6","1") = "6"
    & skf21("7","1","4","3","1","2","7","1") = "6"
    & skf21("7","1","4","3","1","3","1","1") = "6"
    & skf21("7","1","4","3","1","3","2","1") = "6"
    & skf21("7","1","4","3","1","3","3","1") = "6"
    & skf21("7","1","4","3","1","3","4","1") = "6"
    & skf21("7","1","4","3","1","3","5","1") = "6"
    & skf21("7","1","4","3","1","3","6","1") = "6"
    & skf21("7","1","4","3","1","3","7","1") = "6"
    & skf21("7","1","4","3","1","4","1","1") = "6"
    & skf21("7","1","4","3","1","4","2","1") = "6"
    & skf21("7","1","4","3","1","4","3","1") = "6"
    & skf21("7","1","4","3","1","4","4","1") = "6"
    & skf21("7","1","4","3","1","4","5","1") = "6"
    & skf21("7","1","4","3","1","4","6","1") = "6"
    & skf21("7","1","4","3","1","4","7","1") = "6"
    & skf21("7","1","4","3","1","5","1","1") = "6"
    & skf21("7","1","4","3","1","5","2","1") = "6"
    & skf21("7","1","4","3","1","5","3","1") = "6"
    & skf21("7","1","4","3","1","5","4","1") = "6"
    & skf21("7","1","4","3","1","5","5","1") = "6"
    & skf21("7","1","4","3","1","5","6","1") = "6"
    & skf21("7","1","4","3","1","5","7","1") = "6"
    & skf21("7","1","4","3","1","6","1","1") = "6"
    & skf21("7","1","4","3","1","6","2","1") = "6"
    & skf21("7","1","4","3","1","6","3","1") = "6"
    & skf21("7","1","4","3","1","6","4","1") = "6"
    & skf21("7","1","4","3","1","6","5","1") = "6"
    & skf21("7","1","4","3","1","6","6","1") = "6"
    & skf21("7","1","4","3","1","6","7","1") = "6"
    & skf21("7","1","4","3","1","7","1","1") = "6"
    & skf21("7","1","4","3","1","7","2","1") = "6"
    & skf21("7","1","4","3","1","7","3","1") = "6"
    & skf21("7","1","4","3","1","7","4","1") = "6"
    & skf21("7","1","4","3","1","7","5","1") = "6"
    & skf21("7","1","4","3","1","7","6","1") = "6"
    & skf21("7","1","4","3","1","7","7","1") = "6"
    & skf21("7","1","4","3","2","1","1","1") = "6"
    & skf21("7","1","4","3","2","1","2","1") = "6"
    & skf21("7","1","4","3","2","1","3","1") = "6"
    & skf21("7","1","4","3","2","1","4","1") = "6"
    & skf21("7","1","4","3","2","1","5","1") = "6"
    & skf21("7","1","4","3","2","1","6","1") = "6"
    & skf21("7","1","4","3","2","1","7","1") = "6"
    & skf21("7","1","4","3","2","2","1","1") = "6"
    & skf21("7","1","4","3","2","2","2","1") = "6"
    & skf21("7","1","4","3","2","2","3","1") = "6"
    & skf21("7","1","4","3","2","2","4","1") = "6"
    & skf21("7","1","4","3","2","2","5","1") = "6"
    & skf21("7","1","4","3","2","2","6","1") = "6"
    & skf21("7","1","4","3","2","2","7","1") = "6"
    & skf21("7","1","4","3","2","3","1","1") = "6"
    & skf21("7","1","4","3","2","3","2","1") = "6"
    & skf21("7","1","4","3","2","3","3","1") = "6"
    & skf21("7","1","4","3","2","3","4","1") = "6"
    & skf21("7","1","4","3","2","3","5","1") = "6"
    & skf21("7","1","4","3","2","3","6","1") = "6"
    & skf21("7","1","4","3","2","3","7","1") = "6"
    & skf21("7","1","4","3","2","4","1","1") = "6"
    & skf21("7","1","4","3","2","4","2","1") = "6"
    & skf21("7","1","4","3","2","4","3","1") = "6"
    & skf21("7","1","4","3","2","4","4","1") = "6"
    & skf21("7","1","4","3","2","4","5","1") = "6"
    & skf21("7","1","4","3","2","4","6","1") = "6"
    & skf21("7","1","4","3","2","4","7","1") = "6"
    & skf21("7","1","4","3","2","5","1","1") = "6"
    & skf21("7","1","4","3","2","5","2","1") = "6"
    & skf21("7","1","4","3","2","5","3","1") = "6"
    & skf21("7","1","4","3","2","5","4","1") = "6"
    & skf21("7","1","4","3","2","5","5","1") = "6"
    & skf21("7","1","4","3","2","5","6","1") = "6"
    & skf21("7","1","4","3","2","5","7","1") = "6"
    & skf21("7","1","4","3","2","6","1","1") = "6"
    & skf21("7","1","4","3","2","6","2","1") = "6"
    & skf21("7","1","4","3","2","6","3","1") = "6"
    & skf21("7","1","4","3","2","6","4","1") = "6"
    & skf21("7","1","4","3","2","6","5","1") = "6"
    & skf21("7","1","4","3","2","6","6","1") = "6"
    & skf21("7","1","4","3","2","6","7","1") = "6"
    & skf21("7","1","4","3","2","7","1","1") = "6"
    & skf21("7","1","4","3","2","7","2","1") = "6"
    & skf21("7","1","4","3","2","7","3","1") = "6"
    & skf21("7","1","4","3","2","7","4","1") = "6"
    & skf21("7","1","4","3","2","7","5","1") = "6"
    & skf21("7","1","4","3","2","7","6","1") = "6"
    & skf21("7","1","4","3","2","7","7","1") = "6"
    & skf21("7","1","4","3","3","1","1","1") = "6"
    & skf21("7","1","4","3","3","1","2","1") = "6"
    & skf21("7","1","4","3","3","1","3","1") = "6"
    & skf21("7","1","4","3","3","1","4","1") = "6"
    & skf21("7","1","4","3","3","1","5","1") = "6"
    & skf21("7","1","4","3","3","1","6","1") = "6"
    & skf21("7","1","4","3","3","1","7","1") = "6"
    & skf21("7","1","4","3","3","2","1","1") = "6"
    & skf21("7","1","4","3","3","2","2","1") = "6"
    & skf21("7","1","4","3","3","2","3","1") = "6"
    & skf21("7","1","4","3","3","2","4","1") = "6"
    & skf21("7","1","4","3","3","2","5","1") = "6"
    & skf21("7","1","4","3","3","2","6","1") = "6"
    & skf21("7","1","4","3","3","2","7","1") = "6"
    & skf21("7","1","4","3","3","3","1","1") = "6"
    & skf21("7","1","4","3","3","3","2","1") = "6"
    & skf21("7","1","4","3","3","3","3","1") = "6"
    & skf21("7","1","4","3","3","3","4","1") = "6"
    & skf21("7","1","4","3","3","3","5","1") = "6"
    & skf21("7","1","4","3","3","3","6","1") = "6"
    & skf21("7","1","4","3","3","3","7","1") = "6"
    & skf21("7","1","4","3","3","4","1","1") = "6"
    & skf21("7","1","4","3","3","4","2","1") = "6"
    & skf21("7","1","4","3","3","4","3","1") = "6"
    & skf21("7","1","4","3","3","4","4","1") = "6"
    & skf21("7","1","4","3","3","4","5","1") = "6"
    & skf21("7","1","4","3","3","4","6","1") = "6"
    & skf21("7","1","4","3","3","4","7","1") = "6"
    & skf21("7","1","4","3","3","5","1","1") = "6"
    & skf21("7","1","4","3","3","5","2","1") = "6"
    & skf21("7","1","4","3","3","5","3","1") = "6"
    & skf21("7","1","4","3","3","5","4","1") = "6"
    & skf21("7","1","4","3","3","5","5","1") = "6"
    & skf21("7","1","4","3","3","5","6","1") = "6"
    & skf21("7","1","4","3","3","5","7","1") = "6"
    & skf21("7","1","4","3","3","6","1","1") = "6"
    & skf21("7","1","4","3","3","6","2","1") = "6"
    & skf21("7","1","4","3","3","6","3","1") = "6"
    & skf21("7","1","4","3","3","6","4","1") = "6"
    & skf21("7","1","4","3","3","6","5","1") = "6"
    & skf21("7","1","4","3","3","6","6","1") = "6"
    & skf21("7","1","4","3","3","6","7","1") = "6"
    & skf21("7","1","4","3","3","7","1","1") = "6"
    & skf21("7","1","4","3","3","7","2","1") = "6"
    & skf21("7","1","4","3","3","7","3","1") = "6"
    & skf21("7","1","4","3","3","7","4","1") = "6"
    & skf21("7","1","4","3","3","7","5","1") = "6"
    & skf21("7","1","4","3","3","7","6","1") = "6"
    & skf21("7","1","4","3","3","7","7","1") = "6"
    & skf21("7","1","4","3","4","1","1","1") = "6"
    & skf21("7","1","4","3","4","1","2","1") = "6"
    & skf21("7","1","4","3","4","1","3","1") = "6"
    & skf21("7","1","4","3","4","1","4","1") = "6"
    & skf21("7","1","4","3","4","1","5","1") = "6"
    & skf21("7","1","4","3","4","1","6","1") = "6"
    & skf21("7","1","4","3","4","1","7","1") = "6"
    & skf21("7","1","4","3","4","2","1","1") = "6"
    & skf21("7","1","4","3","4","2","2","1") = "6"
    & skf21("7","1","4","3","4","2","3","1") = "6"
    & skf21("7","1","4","3","4","2","4","1") = "6"
    & skf21("7","1","4","3","4","2","5","1") = "6"
    & skf21("7","1","4","3","4","2","6","1") = "6"
    & skf21("7","1","4","3","4","2","7","1") = "6"
    & skf21("7","1","4","3","4","3","1","1") = "6"
    & skf21("7","1","4","3","4","3","2","1") = "6"
    & skf21("7","1","4","3","4","3","3","1") = "6"
    & skf21("7","1","4","3","4","3","4","1") = "6"
    & skf21("7","1","4","3","4","3","5","1") = "6"
    & skf21("7","1","4","3","4","3","6","1") = "6"
    & skf21("7","1","4","3","4","3","7","1") = "6"
    & skf21("7","1","4","3","4","4","1","1") = "6"
    & skf21("7","1","4","3","4","4","2","1") = "6"
    & skf21("7","1","4","3","4","4","3","1") = "6"
    & skf21("7","1","4","3","4","4","4","1") = "6"
    & skf21("7","1","4","3","4","4","5","1") = "6"
    & skf21("7","1","4","3","4","4","6","1") = "6"
    & skf21("7","1","4","3","4","4","7","1") = "6"
    & skf21("7","1","4","3","4","5","1","1") = "6"
    & skf21("7","1","4","3","4","5","2","1") = "6"
    & skf21("7","1","4","3","4","5","3","1") = "6"
    & skf21("7","1","4","3","4","5","4","1") = "6"
    & skf21("7","1","4","3","4","5","5","1") = "6"
    & skf21("7","1","4","3","4","5","6","1") = "6"
    & skf21("7","1","4","3","4","5","7","1") = "6"
    & skf21("7","1","4","3","4","6","1","1") = "6"
    & skf21("7","1","4","3","4","6","2","1") = "6"
    & skf21("7","1","4","3","4","6","3","1") = "6"
    & skf21("7","1","4","3","4","6","4","1") = "6"
    & skf21("7","1","4","3","4","6","5","1") = "6"
    & skf21("7","1","4","3","4","6","6","1") = "6"
    & skf21("7","1","4","3","4","6","7","1") = "6"
    & skf21("7","1","4","3","4","7","1","1") = "6"
    & skf21("7","1","4","3","4","7","2","1") = "6"
    & skf21("7","1","4","3","4","7","3","1") = "6"
    & skf21("7","1","4","3","4","7","4","1") = "6"
    & skf21("7","1","4","3","4","7","5","1") = "6"
    & skf21("7","1","4","3","4","7","6","1") = "6"
    & skf21("7","1","4","3","4","7","7","1") = "6"
    & skf21("7","1","4","3","5","1","1","1") = "6"
    & skf21("7","1","4","3","5","1","2","1") = "6"
    & skf21("7","1","4","3","5","1","3","1") = "6"
    & skf21("7","1","4","3","5","1","4","1") = "6"
    & skf21("7","1","4","3","5","1","5","1") = "6"
    & skf21("7","1","4","3","5","1","6","1") = "6"
    & skf21("7","1","4","3","5","1","7","1") = "6"
    & skf21("7","1","4","3","5","2","1","1") = "6"
    & skf21("7","1","4","3","5","2","2","1") = "6"
    & skf21("7","1","4","3","5","2","3","1") = "6"
    & skf21("7","1","4","3","5","2","4","1") = "6"
    & skf21("7","1","4","3","5","2","5","1") = "6"
    & skf21("7","1","4","3","5","2","6","1") = "6"
    & skf21("7","1","4","3","5","2","7","1") = "6"
    & skf21("7","1","4","3","5","3","1","1") = "6"
    & skf21("7","1","4","3","5","3","2","1") = "6"
    & skf21("7","1","4","3","5","3","3","1") = "6"
    & skf21("7","1","4","3","5","3","4","1") = "6"
    & skf21("7","1","4","3","5","3","5","1") = "6"
    & skf21("7","1","4","3","5","3","6","1") = "6"
    & skf21("7","1","4","3","5","3","7","1") = "6"
    & skf21("7","1","4","3","5","4","1","1") = "6"
    & skf21("7","1","4","3","5","4","2","1") = "6"
    & skf21("7","1","4","3","5","4","3","1") = "6"
    & skf21("7","1","4","3","5","4","4","1") = "6"
    & skf21("7","1","4","3","5","4","5","1") = "6"
    & skf21("7","1","4","3","5","4","6","1") = "6"
    & skf21("7","1","4","3","5","4","7","1") = "6"
    & skf21("7","1","4","3","5","5","1","1") = "6"
    & skf21("7","1","4","3","5","5","2","1") = "6"
    & skf21("7","1","4","3","5","5","3","1") = "6"
    & skf21("7","1","4","3","5","5","4","1") = "6"
    & skf21("7","1","4","3","5","5","5","1") = "6"
    & skf21("7","1","4","3","5","5","6","1") = "6"
    & skf21("7","1","4","3","5","5","7","1") = "6"
    & skf21("7","1","4","3","5","6","1","1") = "6"
    & skf21("7","1","4","3","5","6","2","1") = "6"
    & skf21("7","1","4","3","5","6","3","1") = "6"
    & skf21("7","1","4","3","5","6","4","1") = "6"
    & skf21("7","1","4","3","5","6","5","1") = "6"
    & skf21("7","1","4","3","5","6","6","1") = "6"
    & skf21("7","1","4","3","5","6","7","1") = "6"
    & skf21("7","1","4","3","5","7","1","1") = "6"
    & skf21("7","1","4","3","5","7","2","1") = "6"
    & skf21("7","1","4","3","5","7","3","1") = "6"
    & skf21("7","1","4","3","5","7","4","1") = "6"
    & skf21("7","1","4","3","5","7","5","1") = "6"
    & skf21("7","1","4","3","5","7","6","1") = "6"
    & skf21("7","1","4","3","5","7","7","1") = "6"
    & skf21("7","1","4","3","6","1","1","1") = "6"
    & skf21("7","1","4","3","6","1","2","1") = "6"
    & skf21("7","1","4","3","6","1","3","1") = "6"
    & skf21("7","1","4","3","6","1","4","1") = "6"
    & skf21("7","1","4","3","6","1","5","1") = "6"
    & skf21("7","1","4","3","6","1","6","1") = "6"
    & skf21("7","1","4","3","6","1","7","1") = "6"
    & skf21("7","1","4","3","6","2","1","1") = "6"
    & skf21("7","1","4","3","6","2","2","1") = "6"
    & skf21("7","1","4","3","6","2","3","1") = "6"
    & skf21("7","1","4","3","6","2","4","1") = "6"
    & skf21("7","1","4","3","6","2","5","1") = "6"
    & skf21("7","1","4","3","6","2","6","1") = "6"
    & skf21("7","1","4","3","6","2","7","1") = "6"
    & skf21("7","1","4","3","6","3","1","1") = "6"
    & skf21("7","1","4","3","6","3","2","1") = "6"
    & skf21("7","1","4","3","6","3","3","1") = "6"
    & skf21("7","1","4","3","6","3","4","1") = "6"
    & skf21("7","1","4","3","6","3","5","1") = "6"
    & skf21("7","1","4","3","6","3","6","1") = "6"
    & skf21("7","1","4","3","6","3","7","1") = "6"
    & skf21("7","1","4","3","6","4","1","1") = "6"
    & skf21("7","1","4","3","6","4","2","1") = "6"
    & skf21("7","1","4","3","6","4","3","1") = "6"
    & skf21("7","1","4","3","6","4","4","1") = "6"
    & skf21("7","1","4","3","6","4","5","1") = "6"
    & skf21("7","1","4","3","6","4","6","1") = "6"
    & skf21("7","1","4","3","6","4","7","1") = "6"
    & skf21("7","1","4","3","6","5","1","1") = "6"
    & skf21("7","1","4","3","6","5","2","1") = "6"
    & skf21("7","1","4","3","6","5","3","1") = "6"
    & skf21("7","1","4","3","6","5","4","1") = "6"
    & skf21("7","1","4","3","6","5","5","1") = "6"
    & skf21("7","1","4","3","6","5","6","1") = "6"
    & skf21("7","1","4","3","6","5","7","1") = "6"
    & skf21("7","1","4","3","6","6","1","1") = "6"
    & skf21("7","1","4","3","6","6","2","1") = "6"
    & skf21("7","1","4","3","6","6","3","1") = "6"
    & skf21("7","1","4","3","6","6","4","1") = "6"
    & skf21("7","1","4","3","6","6","5","1") = "6"
    & skf21("7","1","4","3","6","6","6","1") = "6"
    & skf21("7","1","4","3","6","6","7","1") = "6"
    & skf21("7","1","4","3","6","7","1","1") = "6"
    & skf21("7","1","4","3","6","7","2","1") = "6"
    & skf21("7","1","4","3","6","7","3","1") = "6"
    & skf21("7","1","4","3","6","7","4","1") = "6"
    & skf21("7","1","4","3","6","7","5","1") = "6"
    & skf21("7","1","4","3","6","7","6","1") = "6"
    & skf21("7","1","4","3","6","7","7","1") = "6"
    & skf21("7","1","4","3","7","1","1","1") = "6"
    & skf21("7","1","4","3","7","1","2","1") = "6"
    & skf21("7","1","4","3","7","1","3","1") = "6"
    & skf21("7","1","4","3","7","1","4","1") = "6"
    & skf21("7","1","4","3","7","1","5","1") = "6"
    & skf21("7","1","4","3","7","1","6","1") = "6"
    & skf21("7","1","4","3","7","1","7","1") = "6"
    & skf21("7","1","4","3","7","2","1","1") = "6"
    & skf21("7","1","4","3","7","2","2","1") = "6"
    & skf21("7","1","4","3","7","2","3","1") = "6"
    & skf21("7","1","4","3","7","2","4","1") = "6"
    & skf21("7","1","4","3","7","2","5","1") = "6"
    & skf21("7","1","4","3","7","2","6","1") = "6"
    & skf21("7","1","4","3","7","2","7","1") = "6"
    & skf21("7","1","4","3","7","3","1","1") = "6"
    & skf21("7","1","4","3","7","3","2","1") = "6"
    & skf21("7","1","4","3","7","3","3","1") = "6"
    & skf21("7","1","4","3","7","3","4","1") = "6"
    & skf21("7","1","4","3","7","3","5","1") = "6"
    & skf21("7","1","4","3","7","3","6","1") = "6"
    & skf21("7","1","4","3","7","3","7","1") = "6"
    & skf21("7","1","4","3","7","4","1","1") = "6"
    & skf21("7","1","4","3","7","4","2","1") = "6"
    & skf21("7","1","4","3","7","4","3","1") = "6"
    & skf21("7","1","4","3","7","4","4","1") = "6"
    & skf21("7","1","4","3","7","4","5","1") = "6"
    & skf21("7","1","4","3","7","4","6","1") = "6"
    & skf21("7","1","4","3","7","4","7","1") = "6"
    & skf21("7","1","4","3","7","5","1","1") = "6"
    & skf21("7","1","4","3","7","5","2","1") = "6"
    & skf21("7","1","4","3","7","5","3","1") = "6"
    & skf21("7","1","4","3","7","5","4","1") = "6"
    & skf21("7","1","4","3","7","5","5","1") = "6"
    & skf21("7","1","4","3","7","5","6","1") = "6"
    & skf21("7","1","4","3","7","5","7","1") = "6"
    & skf21("7","1","4","3","7","6","1","1") = "6"
    & skf21("7","1","4","3","7","6","2","1") = "6"
    & skf21("7","1","4","3","7","6","3","1") = "6"
    & skf21("7","1","4","3","7","6","4","1") = "6"
    & skf21("7","1","4","3","7","6","5","1") = "6"
    & skf21("7","1","4","3","7","6","6","1") = "6"
    & skf21("7","1","4","3","7","6","7","1") = "6"
    & skf21("7","1","4","3","7","7","1","1") = "6"
    & skf21("7","1","4","3","7","7","2","1") = "6"
    & skf21("7","1","4","3","7","7","3","1") = "6"
    & skf21("7","1","4","3","7","7","4","1") = "6"
    & skf21("7","1","4","3","7","7","5","1") = "6"
    & skf21("7","1","4","3","7","7","6","1") = "6"
    & skf21("7","1","4","3","7","7","7","1") = "6"
    & skf21("7","1","4","4","1","1","1","1") = "6"
    & skf21("7","1","4","4","1","1","2","1") = "6"
    & skf21("7","1","4","4","1","1","3","1") = "6"
    & skf21("7","1","4","4","1","1","4","1") = "6"
    & skf21("7","1","4","4","1","1","5","1") = "6"
    & skf21("7","1","4","4","1","1","6","1") = "6"
    & skf21("7","1","4","4","1","1","7","1") = "6"
    & skf21("7","1","4","4","1","2","1","1") = "6"
    & skf21("7","1","4","4","1","2","2","1") = "6"
    & skf21("7","1","4","4","1","2","3","1") = "6"
    & skf21("7","1","4","4","1","2","4","1") = "6"
    & skf21("7","1","4","4","1","2","5","1") = "6"
    & skf21("7","1","4","4","1","2","6","1") = "6"
    & skf21("7","1","4","4","1","2","7","1") = "6"
    & skf21("7","1","4","4","1","3","1","1") = "6"
    & skf21("7","1","4","4","1","3","2","1") = "6"
    & skf21("7","1","4","4","1","3","3","1") = "6"
    & skf21("7","1","4","4","1","3","4","1") = "6"
    & skf21("7","1","4","4","1","3","5","1") = "6"
    & skf21("7","1","4","4","1","3","6","1") = "6"
    & skf21("7","1","4","4","1","3","7","1") = "6"
    & skf21("7","1","4","4","1","4","1","1") = "6"
    & skf21("7","1","4","4","1","4","2","1") = "6"
    & skf21("7","1","4","4","1","4","3","1") = "6"
    & skf21("7","1","4","4","1","4","4","1") = "6"
    & skf21("7","1","4","4","1","4","5","1") = "6"
    & skf21("7","1","4","4","1","4","6","1") = "6"
    & skf21("7","1","4","4","1","4","7","1") = "6"
    & skf21("7","1","4","4","1","5","1","1") = "6"
    & skf21("7","1","4","4","1","5","2","1") = "6"
    & skf21("7","1","4","4","1","5","3","1") = "6"
    & skf21("7","1","4","4","1","5","4","1") = "6"
    & skf21("7","1","4","4","1","5","5","1") = "6"
    & skf21("7","1","4","4","1","5","6","1") = "6"
    & skf21("7","1","4","4","1","5","7","1") = "6"
    & skf21("7","1","4","4","1","6","1","1") = "6"
    & skf21("7","1","4","4","1","6","2","1") = "6"
    & skf21("7","1","4","4","1","6","3","1") = "6"
    & skf21("7","1","4","4","1","6","4","1") = "6"
    & skf21("7","1","4","4","1","6","5","1") = "6"
    & skf21("7","1","4","4","1","6","6","1") = "6"
    & skf21("7","1","4","4","1","6","7","1") = "6"
    & skf21("7","1","4","4","1","7","1","1") = "6"
    & skf21("7","1","4","4","1","7","2","1") = "6"
    & skf21("7","1","4","4","1","7","3","1") = "6"
    & skf21("7","1","4","4","1","7","4","1") = "6"
    & skf21("7","1","4","4","1","7","5","1") = "6"
    & skf21("7","1","4","4","1","7","6","1") = "6"
    & skf21("7","1","4","4","1","7","7","1") = "6"
    & skf21("7","1","4","4","2","1","1","1") = "6"
    & skf21("7","1","4","4","2","1","2","1") = "6"
    & skf21("7","1","4","4","2","1","3","1") = "6"
    & skf21("7","1","4","4","2","1","4","1") = "6"
    & skf21("7","1","4","4","2","1","5","1") = "6"
    & skf21("7","1","4","4","2","1","6","1") = "6"
    & skf21("7","1","4","4","2","1","7","1") = "6"
    & skf21("7","1","4","4","2","2","1","1") = "6"
    & skf21("7","1","4","4","2","2","2","1") = "6"
    & skf21("7","1","4","4","2","2","3","1") = "6"
    & skf21("7","1","4","4","2","2","4","1") = "6"
    & skf21("7","1","4","4","2","2","5","1") = "6"
    & skf21("7","1","4","4","2","2","6","1") = "6"
    & skf21("7","1","4","4","2","2","7","1") = "6"
    & skf21("7","1","4","4","2","3","1","1") = "6"
    & skf21("7","1","4","4","2","3","2","1") = "6"
    & skf21("7","1","4","4","2","3","3","1") = "6"
    & skf21("7","1","4","4","2","3","4","1") = "6"
    & skf21("7","1","4","4","2","3","5","1") = "6"
    & skf21("7","1","4","4","2","3","6","1") = "6"
    & skf21("7","1","4","4","2","3","7","1") = "6"
    & skf21("7","1","4","4","2","4","1","1") = "6"
    & skf21("7","1","4","4","2","4","2","1") = "6"
    & skf21("7","1","4","4","2","4","3","1") = "6"
    & skf21("7","1","4","4","2","4","4","1") = "6"
    & skf21("7","1","4","4","2","4","5","1") = "6"
    & skf21("7","1","4","4","2","4","6","1") = "6"
    & skf21("7","1","4","4","2","4","7","1") = "6"
    & skf21("7","1","4","4","2","5","1","1") = "6"
    & skf21("7","1","4","4","2","5","2","1") = "6"
    & skf21("7","1","4","4","2","5","3","1") = "6"
    & skf21("7","1","4","4","2","5","4","1") = "6"
    & skf21("7","1","4","4","2","5","5","1") = "6"
    & skf21("7","1","4","4","2","5","6","1") = "6"
    & skf21("7","1","4","4","2","5","7","1") = "6"
    & skf21("7","1","4","4","2","6","1","1") = "6"
    & skf21("7","1","4","4","2","6","2","1") = "6"
    & skf21("7","1","4","4","2","6","3","1") = "6"
    & skf21("7","1","4","4","2","6","4","1") = "6"
    & skf21("7","1","4","4","2","6","5","1") = "6"
    & skf21("7","1","4","4","2","6","6","1") = "6"
    & skf21("7","1","4","4","2","6","7","1") = "6"
    & skf21("7","1","4","4","2","7","1","1") = "6"
    & skf21("7","1","4","4","2","7","2","1") = "6"
    & skf21("7","1","4","4","2","7","3","1") = "6"
    & skf21("7","1","4","4","2","7","4","1") = "6"
    & skf21("7","1","4","4","2","7","5","1") = "6"
    & skf21("7","1","4","4","2","7","6","1") = "6"
    & skf21("7","1","4","4","2","7","7","1") = "6"
    & skf21("7","1","4","4","3","1","1","1") = "6"
    & skf21("7","1","4","4","3","1","2","1") = "6"
    & skf21("7","1","4","4","3","1","3","1") = "6"
    & skf21("7","1","4","4","3","1","4","1") = "6"
    & skf21("7","1","4","4","3","1","5","1") = "6"
    & skf21("7","1","4","4","3","1","6","1") = "6"
    & skf21("7","1","4","4","3","1","7","1") = "6"
    & skf21("7","1","4","4","3","2","1","1") = "6"
    & skf21("7","1","4","4","3","2","2","1") = "6"
    & skf21("7","1","4","4","3","2","3","1") = "6"
    & skf21("7","1","4","4","3","2","4","1") = "6"
    & skf21("7","1","4","4","3","2","5","1") = "6"
    & skf21("7","1","4","4","3","2","6","1") = "6"
    & skf21("7","1","4","4","3","2","7","1") = "6"
    & skf21("7","1","4","4","3","3","1","1") = "6"
    & skf21("7","1","4","4","3","3","2","1") = "6"
    & skf21("7","1","4","4","3","3","3","1") = "6"
    & skf21("7","1","4","4","3","3","4","1") = "6"
    & skf21("7","1","4","4","3","3","5","1") = "6"
    & skf21("7","1","4","4","3","3","6","1") = "6"
    & skf21("7","1","4","4","3","3","7","1") = "6"
    & skf21("7","1","4","4","3","4","1","1") = "6"
    & skf21("7","1","4","4","3","4","2","1") = "6"
    & skf21("7","1","4","4","3","4","3","1") = "6"
    & skf21("7","1","4","4","3","4","4","1") = "6"
    & skf21("7","1","4","4","3","4","5","1") = "6"
    & skf21("7","1","4","4","3","4","6","1") = "6"
    & skf21("7","1","4","4","3","4","7","1") = "6"
    & skf21("7","1","4","4","3","5","1","1") = "6"
    & skf21("7","1","4","4","3","5","2","1") = "6"
    & skf21("7","1","4","4","3","5","3","1") = "6"
    & skf21("7","1","4","4","3","5","4","1") = "6"
    & skf21("7","1","4","4","3","5","5","1") = "6"
    & skf21("7","1","4","4","3","5","6","1") = "6"
    & skf21("7","1","4","4","3","5","7","1") = "6"
    & skf21("7","1","4","4","3","6","1","1") = "6"
    & skf21("7","1","4","4","3","6","2","1") = "6"
    & skf21("7","1","4","4","3","6","3","1") = "6"
    & skf21("7","1","4","4","3","6","4","1") = "6"
    & skf21("7","1","4","4","3","6","5","1") = "6"
    & skf21("7","1","4","4","3","6","6","1") = "6"
    & skf21("7","1","4","4","3","6","7","1") = "6"
    & skf21("7","1","4","4","3","7","1","1") = "6"
    & skf21("7","1","4","4","3","7","2","1") = "6"
    & skf21("7","1","4","4","3","7","3","1") = "6"
    & skf21("7","1","4","4","3","7","4","1") = "6"
    & skf21("7","1","4","4","3","7","5","1") = "6"
    & skf21("7","1","4","4","3","7","6","1") = "6"
    & skf21("7","1","4","4","3","7","7","1") = "6"
    & skf21("7","1","4","4","4","1","1","1") = "6"
    & skf21("7","1","4","4","4","1","2","1") = "6"
    & skf21("7","1","4","4","4","1","3","1") = "6"
    & skf21("7","1","4","4","4","1","4","1") = "6"
    & skf21("7","1","4","4","4","1","5","1") = "6"
    & skf21("7","1","4","4","4","1","6","1") = "6"
    & skf21("7","1","4","4","4","1","7","1") = "6"
    & skf21("7","1","4","4","4","2","1","1") = "6"
    & skf21("7","1","4","4","4","2","2","1") = "6"
    & skf21("7","1","4","4","4","2","3","1") = "6"
    & skf21("7","1","4","4","4","2","4","1") = "6"
    & skf21("7","1","4","4","4","2","5","1") = "6"
    & skf21("7","1","4","4","4","2","6","1") = "6"
    & skf21("7","1","4","4","4","2","7","1") = "6"
    & skf21("7","1","4","4","4","3","1","1") = "6"
    & skf21("7","1","4","4","4","3","2","1") = "6"
    & skf21("7","1","4","4","4","3","3","1") = "6"
    & skf21("7","1","4","4","4","3","4","1") = "6"
    & skf21("7","1","4","4","4","3","5","1") = "6"
    & skf21("7","1","4","4","4","3","6","1") = "6"
    & skf21("7","1","4","4","4","3","7","1") = "6"
    & skf21("7","1","4","4","4","4","1","1") = "6"
    & skf21("7","1","4","4","4","4","2","1") = "6"
    & skf21("7","1","4","4","4","4","3","1") = "6"
    & skf21("7","1","4","4","4","4","4","1") = "6"
    & skf21("7","1","4","4","4","4","5","1") = "6"
    & skf21("7","1","4","4","4","4","6","1") = "6"
    & skf21("7","1","4","4","4","4","7","1") = "6"
    & skf21("7","1","4","4","4","5","1","1") = "6"
    & skf21("7","1","4","4","4","5","2","1") = "6"
    & skf21("7","1","4","4","4","5","3","1") = "6"
    & skf21("7","1","4","4","4","5","4","1") = "6"
    & skf21("7","1","4","4","4","5","5","1") = "6"
    & skf21("7","1","4","4","4","5","6","1") = "6"
    & skf21("7","1","4","4","4","5","7","1") = "6"
    & skf21("7","1","4","4","4","6","1","1") = "6"
    & skf21("7","1","4","4","4","6","2","1") = "6"
    & skf21("7","1","4","4","4","6","3","1") = "6"
    & skf21("7","1","4","4","4","6","4","1") = "6"
    & skf21("7","1","4","4","4","6","5","1") = "6"
    & skf21("7","1","4","4","4","6","6","1") = "6"
    & skf21("7","1","4","4","4","6","7","1") = "6"
    & skf21("7","1","4","4","4","7","1","1") = "6"
    & skf21("7","1","4","4","4","7","2","1") = "6"
    & skf21("7","1","4","4","4","7","3","1") = "6"
    & skf21("7","1","4","4","4","7","4","1") = "6"
    & skf21("7","1","4","4","4","7","5","1") = "6"
    & skf21("7","1","4","4","4","7","6","1") = "6"
    & skf21("7","1","4","4","4","7","7","1") = "6"
    & skf21("7","1","4","4","5","1","1","1") = "6"
    & skf21("7","1","4","4","5","1","2","1") = "6"
    & skf21("7","1","4","4","5","1","3","1") = "6"
    & skf21("7","1","4","4","5","1","4","1") = "6"
    & skf21("7","1","4","4","5","1","5","1") = "6"
    & skf21("7","1","4","4","5","1","6","1") = "6"
    & skf21("7","1","4","4","5","1","7","1") = "6"
    & skf21("7","1","4","4","5","2","1","1") = "6"
    & skf21("7","1","4","4","5","2","2","1") = "6"
    & skf21("7","1","4","4","5","2","3","1") = "6"
    & skf21("7","1","4","4","5","2","4","1") = "6"
    & skf21("7","1","4","4","5","2","5","1") = "6"
    & skf21("7","1","4","4","5","2","6","1") = "6"
    & skf21("7","1","4","4","5","2","7","1") = "6"
    & skf21("7","1","4","4","5","3","1","1") = "6"
    & skf21("7","1","4","4","5","3","2","1") = "6"
    & skf21("7","1","4","4","5","3","3","1") = "6"
    & skf21("7","1","4","4","5","3","4","1") = "6"
    & skf21("7","1","4","4","5","3","5","1") = "6"
    & skf21("7","1","4","4","5","3","6","1") = "6"
    & skf21("7","1","4","4","5","3","7","1") = "6"
    & skf21("7","1","4","4","5","4","1","1") = "6"
    & skf21("7","1","4","4","5","4","2","1") = "6"
    & skf21("7","1","4","4","5","4","3","1") = "6"
    & skf21("7","1","4","4","5","4","4","1") = "6"
    & skf21("7","1","4","4","5","4","5","1") = "6"
    & skf21("7","1","4","4","5","4","6","1") = "6"
    & skf21("7","1","4","4","5","4","7","1") = "6"
    & skf21("7","1","4","4","5","5","1","1") = "6"
    & skf21("7","1","4","4","5","5","2","1") = "6"
    & skf21("7","1","4","4","5","5","3","1") = "6"
    & skf21("7","1","4","4","5","5","4","1") = "6"
    & skf21("7","1","4","4","5","5","5","1") = "6"
    & skf21("7","1","4","4","5","5","6","1") = "6"
    & skf21("7","1","4","4","5","5","7","1") = "6"
    & skf21("7","1","4","4","5","6","1","1") = "6"
    & skf21("7","1","4","4","5","6","2","1") = "6"
    & skf21("7","1","4","4","5","6","3","1") = "6"
    & skf21("7","1","4","4","5","6","4","1") = "6"
    & skf21("7","1","4","4","5","6","5","1") = "6"
    & skf21("7","1","4","4","5","6","6","1") = "6"
    & skf21("7","1","4","4","5","6","7","1") = "6"
    & skf21("7","1","4","4","5","7","1","1") = "6"
    & skf21("7","1","4","4","5","7","2","1") = "6"
    & skf21("7","1","4","4","5","7","3","1") = "6"
    & skf21("7","1","4","4","5","7","4","1") = "6"
    & skf21("7","1","4","4","5","7","5","1") = "6"
    & skf21("7","1","4","4","5","7","6","1") = "6"
    & skf21("7","1","4","4","5","7","7","1") = "6"
    & skf21("7","1","4","4","6","1","1","1") = "6"
    & skf21("7","1","4","4","6","1","2","1") = "6"
    & skf21("7","1","4","4","6","1","3","1") = "6"
    & skf21("7","1","4","4","6","1","4","1") = "6"
    & skf21("7","1","4","4","6","1","5","1") = "6"
    & skf21("7","1","4","4","6","1","6","1") = "6"
    & skf21("7","1","4","4","6","1","7","1") = "6"
    & skf21("7","1","4","4","6","2","1","1") = "6"
    & skf21("7","1","4","4","6","2","2","1") = "6"
    & skf21("7","1","4","4","6","2","3","1") = "6"
    & skf21("7","1","4","4","6","2","4","1") = "6"
    & skf21("7","1","4","4","6","2","5","1") = "6"
    & skf21("7","1","4","4","6","2","6","1") = "6"
    & skf21("7","1","4","4","6","2","7","1") = "6"
    & skf21("7","1","4","4","6","3","1","1") = "6"
    & skf21("7","1","4","4","6","3","2","1") = "6"
    & skf21("7","1","4","4","6","3","3","1") = "6"
    & skf21("7","1","4","4","6","3","4","1") = "6"
    & skf21("7","1","4","4","6","3","5","1") = "6"
    & skf21("7","1","4","4","6","3","6","1") = "6"
    & skf21("7","1","4","4","6","3","7","1") = "6"
    & skf21("7","1","4","4","6","4","1","1") = "6"
    & skf21("7","1","4","4","6","4","2","1") = "6"
    & skf21("7","1","4","4","6","4","3","1") = "6"
    & skf21("7","1","4","4","6","4","4","1") = "6"
    & skf21("7","1","4","4","6","4","5","1") = "6"
    & skf21("7","1","4","4","6","4","6","1") = "6"
    & skf21("7","1","4","4","6","4","7","1") = "6"
    & skf21("7","1","4","4","6","5","1","1") = "6"
    & skf21("7","1","4","4","6","5","2","1") = "6"
    & skf21("7","1","4","4","6","5","3","1") = "6"
    & skf21("7","1","4","4","6","5","4","1") = "6"
    & skf21("7","1","4","4","6","5","5","1") = "6"
    & skf21("7","1","4","4","6","5","6","1") = "6"
    & skf21("7","1","4","4","6","5","7","1") = "6"
    & skf21("7","1","4","4","6","6","1","1") = "6"
    & skf21("7","1","4","4","6","6","2","1") = "6"
    & skf21("7","1","4","4","6","6","3","1") = "6"
    & skf21("7","1","4","4","6","6","4","1") = "6"
    & skf21("7","1","4","4","6","6","5","1") = "6"
    & skf21("7","1","4","4","6","6","6","1") = "6"
    & skf21("7","1","4","4","6","6","7","1") = "6"
    & skf21("7","1","4","4","6","7","1","1") = "6"
    & skf21("7","1","4","4","6","7","2","1") = "6"
    & skf21("7","1","4","4","6","7","3","1") = "6"
    & skf21("7","1","4","4","6","7","4","1") = "6"
    & skf21("7","1","4","4","6","7","5","1") = "6"
    & skf21("7","1","4","4","6","7","6","1") = "6"
    & skf21("7","1","4","4","6","7","7","1") = "6"
    & skf21("7","1","4","4","7","1","1","1") = "6"
    & skf21("7","1","4","4","7","1","2","1") = "6"
    & skf21("7","1","4","4","7","1","3","1") = "6"
    & skf21("7","1","4","4","7","1","4","1") = "6"
    & skf21("7","1","4","4","7","1","5","1") = "6"
    & skf21("7","1","4","4","7","1","6","1") = "6"
    & skf21("7","1","4","4","7","1","7","1") = "6"
    & skf21("7","1","4","4","7","2","1","1") = "6"
    & skf21("7","1","4","4","7","2","2","1") = "6"
    & skf21("7","1","4","4","7","2","3","1") = "6"
    & skf21("7","1","4","4","7","2","4","1") = "6"
    & skf21("7","1","4","4","7","2","5","1") = "6"
    & skf21("7","1","4","4","7","2","6","1") = "6"
    & skf21("7","1","4","4","7","2","7","1") = "6"
    & skf21("7","1","4","4","7","3","1","1") = "6"
    & skf21("7","1","4","4","7","3","2","1") = "6"
    & skf21("7","1","4","4","7","3","3","1") = "6"
    & skf21("7","1","4","4","7","3","4","1") = "6"
    & skf21("7","1","4","4","7","3","5","1") = "6"
    & skf21("7","1","4","4","7","3","6","1") = "6"
    & skf21("7","1","4","4","7","3","7","1") = "6"
    & skf21("7","1","4","4","7","4","1","1") = "6"
    & skf21("7","1","4","4","7","4","2","1") = "6"
    & skf21("7","1","4","4","7","4","3","1") = "6"
    & skf21("7","1","4","4","7","4","4","1") = "6"
    & skf21("7","1","4","4","7","4","5","1") = "6"
    & skf21("7","1","4","4","7","4","6","1") = "6"
    & skf21("7","1","4","4","7","4","7","1") = "6"
    & skf21("7","1","4","4","7","5","1","1") = "6"
    & skf21("7","1","4","4","7","5","2","1") = "6"
    & skf21("7","1","4","4","7","5","3","1") = "6"
    & skf21("7","1","4","4","7","5","4","1") = "6"
    & skf21("7","1","4","4","7","5","5","1") = "6"
    & skf21("7","1","4","4","7","5","6","1") = "6"
    & skf21("7","1","4","4","7","5","7","1") = "6"
    & skf21("7","1","4","4","7","6","1","1") = "6"
    & skf21("7","1","4","4","7","6","2","1") = "6"
    & skf21("7","1","4","4","7","6","3","1") = "6"
    & skf21("7","1","4","4","7","6","4","1") = "6"
    & skf21("7","1","4","4","7","6","5","1") = "6"
    & skf21("7","1","4","4","7","6","6","1") = "6"
    & skf21("7","1","4","4","7","6","7","1") = "6"
    & skf21("7","1","4","4","7","7","1","1") = "6"
    & skf21("7","1","4","4","7","7","2","1") = "6"
    & skf21("7","1","4","4","7","7","3","1") = "6"
    & skf21("7","1","4","4","7","7","4","1") = "6"
    & skf21("7","1","4","4","7","7","5","1") = "6"
    & skf21("7","1","4","4","7","7","6","1") = "6"
    & skf21("7","1","4","4","7","7","7","1") = "6"
    & skf21("7","1","4","5","1","1","1","1") = "6"
    & skf21("7","1","4","5","1","1","2","1") = "6"
    & skf21("7","1","4","5","1","1","3","1") = "6"
    & skf21("7","1","4","5","1","1","4","1") = "6"
    & skf21("7","1","4","5","1","1","5","1") = "6"
    & skf21("7","1","4","5","1","1","6","1") = "6"
    & skf21("7","1","4","5","1","1","7","1") = "6"
    & skf21("7","1","4","5","1","2","1","1") = "6"
    & skf21("7","1","4","5","1","2","2","1") = "6"
    & skf21("7","1","4","5","1","2","3","1") = "6"
    & skf21("7","1","4","5","1","2","4","1") = "6"
    & skf21("7","1","4","5","1","2","5","1") = "6"
    & skf21("7","1","4","5","1","2","6","1") = "6"
    & skf21("7","1","4","5","1","2","7","1") = "6"
    & skf21("7","1","4","5","1","3","1","1") = "6"
    & skf21("7","1","4","5","1","3","2","1") = "6"
    & skf21("7","1","4","5","1","3","3","1") = "6"
    & skf21("7","1","4","5","1","3","4","1") = "6"
    & skf21("7","1","4","5","1","3","5","1") = "6"
    & skf21("7","1","4","5","1","3","6","1") = "6"
    & skf21("7","1","4","5","1","3","7","1") = "6"
    & skf21("7","1","4","5","1","4","1","1") = "6"
    & skf21("7","1","4","5","1","4","2","1") = "6"
    & skf21("7","1","4","5","1","4","3","1") = "6"
    & skf21("7","1","4","5","1","4","4","1") = "6"
    & skf21("7","1","4","5","1","4","5","1") = "6"
    & skf21("7","1","4","5","1","4","6","1") = "6"
    & skf21("7","1","4","5","1","4","7","1") = "6"
    & skf21("7","1","4","5","1","5","1","1") = "6"
    & skf21("7","1","4","5","1","5","2","1") = "6"
    & skf21("7","1","4","5","1","5","3","1") = "6"
    & skf21("7","1","4","5","1","5","4","1") = "6"
    & skf21("7","1","4","5","1","5","5","1") = "6"
    & skf21("7","1","4","5","1","5","6","1") = "6"
    & skf21("7","1","4","5","1","5","7","1") = "6"
    & skf21("7","1","4","5","1","6","1","1") = "6"
    & skf21("7","1","4","5","1","6","2","1") = "6"
    & skf21("7","1","4","5","1","6","3","1") = "6"
    & skf21("7","1","4","5","1","6","4","1") = "6"
    & skf21("7","1","4","5","1","6","5","1") = "6"
    & skf21("7","1","4","5","1","6","6","1") = "6"
    & skf21("7","1","4","5","1","6","7","1") = "6"
    & skf21("7","1","4","5","1","7","1","1") = "6"
    & skf21("7","1","4","5","1","7","2","1") = "6"
    & skf21("7","1","4","5","1","7","3","1") = "6"
    & skf21("7","1","4","5","1","7","4","1") = "6"
    & skf21("7","1","4","5","1","7","5","1") = "6"
    & skf21("7","1","4","5","1","7","6","1") = "6"
    & skf21("7","1","4","5","1","7","7","1") = "6"
    & skf21("7","1","4","5","2","1","1","1") = "6"
    & skf21("7","1","4","5","2","1","2","1") = "6"
    & skf21("7","1","4","5","2","1","3","1") = "6"
    & skf21("7","1","4","5","2","1","4","1") = "6"
    & skf21("7","1","4","5","2","1","5","1") = "6"
    & skf21("7","1","4","5","2","1","6","1") = "6"
    & skf21("7","1","4","5","2","1","7","1") = "6"
    & skf21("7","1","4","5","2","2","1","1") = "6"
    & skf21("7","1","4","5","2","2","2","1") = "6"
    & skf21("7","1","4","5","2","2","3","1") = "6"
    & skf21("7","1","4","5","2","2","4","1") = "6"
    & skf21("7","1","4","5","2","2","5","1") = "6"
    & skf21("7","1","4","5","2","2","6","1") = "6"
    & skf21("7","1","4","5","2","2","7","1") = "6"
    & skf21("7","1","4","5","2","3","1","1") = "6"
    & skf21("7","1","4","5","2","3","2","1") = "6"
    & skf21("7","1","4","5","2","3","3","1") = "6"
    & skf21("7","1","4","5","2","3","4","1") = "6"
    & skf21("7","1","4","5","2","3","5","1") = "6"
    & skf21("7","1","4","5","2","3","6","1") = "6"
    & skf21("7","1","4","5","2","3","7","1") = "6"
    & skf21("7","1","4","5","2","4","1","1") = "6"
    & skf21("7","1","4","5","2","4","2","1") = "6"
    & skf21("7","1","4","5","2","4","3","1") = "6"
    & skf21("7","1","4","5","2","4","4","1") = "6"
    & skf21("7","1","4","5","2","4","5","1") = "6"
    & skf21("7","1","4","5","2","4","6","1") = "6"
    & skf21("7","1","4","5","2","4","7","1") = "6"
    & skf21("7","1","4","5","2","5","1","1") = "6"
    & skf21("7","1","4","5","2","5","2","1") = "6"
    & skf21("7","1","4","5","2","5","3","1") = "6"
    & skf21("7","1","4","5","2","5","4","1") = "6"
    & skf21("7","1","4","5","2","5","5","1") = "6"
    & skf21("7","1","4","5","2","5","6","1") = "6"
    & skf21("7","1","4","5","2","5","7","1") = "6"
    & skf21("7","1","4","5","2","6","1","1") = "6"
    & skf21("7","1","4","5","2","6","2","1") = "6"
    & skf21("7","1","4","5","2","6","3","1") = "6"
    & skf21("7","1","4","5","2","6","4","1") = "6"
    & skf21("7","1","4","5","2","6","5","1") = "6"
    & skf21("7","1","4","5","2","6","6","1") = "6"
    & skf21("7","1","4","5","2","6","7","1") = "6"
    & skf21("7","1","4","5","2","7","1","1") = "6"
    & skf21("7","1","4","5","2","7","2","1") = "6"
    & skf21("7","1","4","5","2","7","3","1") = "6"
    & skf21("7","1","4","5","2","7","4","1") = "6"
    & skf21("7","1","4","5","2","7","5","1") = "6"
    & skf21("7","1","4","5","2","7","6","1") = "6"
    & skf21("7","1","4","5","2","7","7","1") = "6"
    & skf21("7","1","4","5","3","1","1","1") = "6"
    & skf21("7","1","4","5","3","1","2","1") = "6"
    & skf21("7","1","4","5","3","1","3","1") = "6"
    & skf21("7","1","4","5","3","1","4","1") = "6"
    & skf21("7","1","4","5","3","1","5","1") = "6"
    & skf21("7","1","4","5","3","1","6","1") = "6"
    & skf21("7","1","4","5","3","1","7","1") = "6"
    & skf21("7","1","4","5","3","2","1","1") = "6"
    & skf21("7","1","4","5","3","2","2","1") = "6"
    & skf21("7","1","4","5","3","2","3","1") = "6"
    & skf21("7","1","4","5","3","2","4","1") = "6"
    & skf21("7","1","4","5","3","2","5","1") = "6"
    & skf21("7","1","4","5","3","2","6","1") = "6"
    & skf21("7","1","4","5","3","2","7","1") = "6"
    & skf21("7","1","4","5","3","3","1","1") = "6"
    & skf21("7","1","4","5","3","3","2","1") = "6"
    & skf21("7","1","4","5","3","3","3","1") = "6"
    & skf21("7","1","4","5","3","3","4","1") = "6"
    & skf21("7","1","4","5","3","3","5","1") = "6"
    & skf21("7","1","4","5","3","3","6","1") = "6"
    & skf21("7","1","4","5","3","3","7","1") = "6"
    & skf21("7","1","4","5","3","4","1","1") = "6"
    & skf21("7","1","4","5","3","4","2","1") = "6"
    & skf21("7","1","4","5","3","4","3","1") = "6"
    & skf21("7","1","4","5","3","4","4","1") = "6"
    & skf21("7","1","4","5","3","4","5","1") = "6"
    & skf21("7","1","4","5","3","4","6","1") = "6"
    & skf21("7","1","4","5","3","4","7","1") = "6"
    & skf21("7","1","4","5","3","5","1","1") = "6"
    & skf21("7","1","4","5","3","5","2","1") = "6"
    & skf21("7","1","4","5","3","5","3","1") = "6"
    & skf21("7","1","4","5","3","5","4","1") = "6"
    & skf21("7","1","4","5","3","5","5","1") = "6"
    & skf21("7","1","4","5","3","5","6","1") = "6"
    & skf21("7","1","4","5","3","5","7","1") = "6"
    & skf21("7","1","4","5","3","6","1","1") = "6"
    & skf21("7","1","4","5","3","6","2","1") = "6"
    & skf21("7","1","4","5","3","6","3","1") = "6"
    & skf21("7","1","4","5","3","6","4","1") = "6"
    & skf21("7","1","4","5","3","6","5","1") = "6"
    & skf21("7","1","4","5","3","6","6","1") = "6"
    & skf21("7","1","4","5","3","6","7","1") = "6"
    & skf21("7","1","4","5","3","7","1","1") = "6"
    & skf21("7","1","4","5","3","7","2","1") = "6"
    & skf21("7","1","4","5","3","7","3","1") = "6"
    & skf21("7","1","4","5","3","7","4","1") = "6"
    & skf21("7","1","4","5","3","7","5","1") = "6"
    & skf21("7","1","4","5","3","7","6","1") = "6"
    & skf21("7","1","4","5","3","7","7","1") = "6"
    & skf21("7","1","4","5","4","1","1","1") = "6"
    & skf21("7","1","4","5","4","1","2","1") = "6"
    & skf21("7","1","4","5","4","1","3","1") = "6"
    & skf21("7","1","4","5","4","1","4","1") = "6"
    & skf21("7","1","4","5","4","1","5","1") = "6"
    & skf21("7","1","4","5","4","1","6","1") = "6"
    & skf21("7","1","4","5","4","1","7","1") = "6"
    & skf21("7","1","4","5","4","2","1","1") = "6"
    & skf21("7","1","4","5","4","2","2","1") = "6"
    & skf21("7","1","4","5","4","2","3","1") = "6"
    & skf21("7","1","4","5","4","2","4","1") = "6"
    & skf21("7","1","4","5","4","2","5","1") = "6"
    & skf21("7","1","4","5","4","2","6","1") = "6"
    & skf21("7","1","4","5","4","2","7","1") = "6"
    & skf21("7","1","4","5","4","3","1","1") = "6"
    & skf21("7","1","4","5","4","3","2","1") = "6"
    & skf21("7","1","4","5","4","3","3","1") = "6"
    & skf21("7","1","4","5","4","3","4","1") = "6"
    & skf21("7","1","4","5","4","3","5","1") = "6"
    & skf21("7","1","4","5","4","3","6","1") = "6"
    & skf21("7","1","4","5","4","3","7","1") = "6"
    & skf21("7","1","4","5","4","4","1","1") = "6"
    & skf21("7","1","4","5","4","4","2","1") = "6"
    & skf21("7","1","4","5","4","4","3","1") = "6"
    & skf21("7","1","4","5","4","4","4","1") = "6"
    & skf21("7","1","4","5","4","4","5","1") = "6"
    & skf21("7","1","4","5","4","4","6","1") = "6"
    & skf21("7","1","4","5","4","4","7","1") = "6"
    & skf21("7","1","4","5","4","5","1","1") = "6"
    & skf21("7","1","4","5","4","5","2","1") = "6"
    & skf21("7","1","4","5","4","5","3","1") = "6"
    & skf21("7","1","4","5","4","5","4","1") = "6"
    & skf21("7","1","4","5","4","5","5","1") = "6"
    & skf21("7","1","4","5","4","5","6","1") = "6"
    & skf21("7","1","4","5","4","5","7","1") = "6"
    & skf21("7","1","4","5","4","6","1","1") = "6"
    & skf21("7","1","4","5","4","6","2","1") = "6"
    & skf21("7","1","4","5","4","6","3","1") = "6"
    & skf21("7","1","4","5","4","6","4","1") = "6"
    & skf21("7","1","4","5","4","6","5","1") = "6"
    & skf21("7","1","4","5","4","6","6","1") = "6"
    & skf21("7","1","4","5","4","6","7","1") = "6"
    & skf21("7","1","4","5","4","7","1","1") = "6"
    & skf21("7","1","4","5","4","7","2","1") = "6"
    & skf21("7","1","4","5","4","7","3","1") = "6"
    & skf21("7","1","4","5","4","7","4","1") = "6"
    & skf21("7","1","4","5","4","7","5","1") = "6"
    & skf21("7","1","4","5","4","7","6","1") = "6"
    & skf21("7","1","4","5","4","7","7","1") = "6"
    & skf21("7","1","4","5","5","1","1","1") = "6"
    & skf21("7","1","4","5","5","1","2","1") = "6"
    & skf21("7","1","4","5","5","1","3","1") = "6"
    & skf21("7","1","4","5","5","1","4","1") = "6"
    & skf21("7","1","4","5","5","1","5","1") = "6"
    & skf21("7","1","4","5","5","1","6","1") = "6"
    & skf21("7","1","4","5","5","1","7","1") = "6"
    & skf21("7","1","4","5","5","2","1","1") = "6"
    & skf21("7","1","4","5","5","2","2","1") = "6"
    & skf21("7","1","4","5","5","2","3","1") = "6"
    & skf21("7","1","4","5","5","2","4","1") = "6"
    & skf21("7","1","4","5","5","2","5","1") = "6"
    & skf21("7","1","4","5","5","2","6","1") = "6"
    & skf21("7","1","4","5","5","2","7","1") = "6"
    & skf21("7","1","4","5","5","3","1","1") = "6"
    & skf21("7","1","4","5","5","3","2","1") = "6"
    & skf21("7","1","4","5","5","3","3","1") = "6"
    & skf21("7","1","4","5","5","3","4","1") = "6"
    & skf21("7","1","4","5","5","3","5","1") = "6"
    & skf21("7","1","4","5","5","3","6","1") = "6"
    & skf21("7","1","4","5","5","3","7","1") = "6"
    & skf21("7","1","4","5","5","4","1","1") = "6"
    & skf21("7","1","4","5","5","4","2","1") = "6"
    & skf21("7","1","4","5","5","4","3","1") = "6"
    & skf21("7","1","4","5","5","4","4","1") = "6"
    & skf21("7","1","4","5","5","4","5","1") = "6"
    & skf21("7","1","4","5","5","4","6","1") = "6"
    & skf21("7","1","4","5","5","4","7","1") = "6"
    & skf21("7","1","4","5","5","5","1","1") = "6"
    & skf21("7","1","4","5","5","5","2","1") = "6"
    & skf21("7","1","4","5","5","5","3","1") = "6"
    & skf21("7","1","4","5","5","5","4","1") = "6"
    & skf21("7","1","4","5","5","5","5","1") = "6"
    & skf21("7","1","4","5","5","5","6","1") = "6"
    & skf21("7","1","4","5","5","5","7","1") = "6"
    & skf21("7","1","4","5","5","6","1","1") = "6"
    & skf21("7","1","4","5","5","6","2","1") = "6"
    & skf21("7","1","4","5","5","6","3","1") = "6"
    & skf21("7","1","4","5","5","6","4","1") = "6"
    & skf21("7","1","4","5","5","6","5","1") = "6"
    & skf21("7","1","4","5","5","6","6","1") = "6"
    & skf21("7","1","4","5","5","6","7","1") = "6"
    & skf21("7","1","4","5","5","7","1","1") = "6"
    & skf21("7","1","4","5","5","7","2","1") = "6"
    & skf21("7","1","4","5","5","7","3","1") = "6"
    & skf21("7","1","4","5","5","7","4","1") = "6"
    & skf21("7","1","4","5","5","7","5","1") = "6"
    & skf21("7","1","4","5","5","7","6","1") = "6"
    & skf21("7","1","4","5","5","7","7","1") = "6"
    & skf21("7","1","4","5","6","1","1","1") = "6"
    & skf21("7","1","4","5","6","1","2","1") = "6"
    & skf21("7","1","4","5","6","1","3","1") = "6"
    & skf21("7","1","4","5","6","1","4","1") = "6"
    & skf21("7","1","4","5","6","1","5","1") = "6"
    & skf21("7","1","4","5","6","1","6","1") = "6"
    & skf21("7","1","4","5","6","1","7","1") = "6"
    & skf21("7","1","4","5","6","2","1","1") = "6"
    & skf21("7","1","4","5","6","2","2","1") = "6"
    & skf21("7","1","4","5","6","2","3","1") = "6"
    & skf21("7","1","4","5","6","2","4","1") = "6"
    & skf21("7","1","4","5","6","2","5","1") = "6"
    & skf21("7","1","4","5","6","2","6","1") = "6"
    & skf21("7","1","4","5","6","2","7","1") = "6"
    & skf21("7","1","4","5","6","3","1","1") = "6"
    & skf21("7","1","4","5","6","3","2","1") = "6"
    & skf21("7","1","4","5","6","3","3","1") = "6"
    & skf21("7","1","4","5","6","3","4","1") = "6"
    & skf21("7","1","4","5","6","3","5","1") = "6"
    & skf21("7","1","4","5","6","3","6","1") = "6"
    & skf21("7","1","4","5","6","3","7","1") = "6"
    & skf21("7","1","4","5","6","4","1","1") = "6"
    & skf21("7","1","4","5","6","4","2","1") = "6"
    & skf21("7","1","4","5","6","4","3","1") = "6"
    & skf21("7","1","4","5","6","4","4","1") = "6"
    & skf21("7","1","4","5","6","4","5","1") = "6"
    & skf21("7","1","4","5","6","4","6","1") = "6"
    & skf21("7","1","4","5","6","4","7","1") = "6"
    & skf21("7","1","4","5","6","5","1","1") = "6"
    & skf21("7","1","4","5","6","5","2","1") = "6"
    & skf21("7","1","4","5","6","5","3","1") = "6"
    & skf21("7","1","4","5","6","5","4","1") = "6"
    & skf21("7","1","4","5","6","5","5","1") = "6"
    & skf21("7","1","4","5","6","5","6","1") = "6"
    & skf21("7","1","4","5","6","5","7","1") = "6"
    & skf21("7","1","4","5","6","6","1","1") = "6"
    & skf21("7","1","4","5","6","6","2","1") = "6"
    & skf21("7","1","4","5","6","6","3","1") = "6"
    & skf21("7","1","4","5","6","6","4","1") = "6"
    & skf21("7","1","4","5","6","6","5","1") = "6"
    & skf21("7","1","4","5","6","6","6","1") = "6"
    & skf21("7","1","4","5","6","6","7","1") = "6"
    & skf21("7","1","4","5","6","7","1","1") = "6"
    & skf21("7","1","4","5","6","7","2","1") = "6"
    & skf21("7","1","4","5","6","7","3","1") = "6"
    & skf21("7","1","4","5","6","7","4","1") = "6"
    & skf21("7","1","4","5","6","7","5","1") = "6"
    & skf21("7","1","4","5","6","7","6","1") = "6"
    & skf21("7","1","4","5","6","7","7","1") = "6"
    & skf21("7","1","4","5","7","1","1","1") = "6"
    & skf21("7","1","4","5","7","1","2","1") = "6"
    & skf21("7","1","4","5","7","1","3","1") = "6"
    & skf21("7","1","4","5","7","1","4","1") = "6"
    & skf21("7","1","4","5","7","1","5","1") = "6"
    & skf21("7","1","4","5","7","1","6","1") = "6"
    & skf21("7","1","4","5","7","1","7","1") = "6"
    & skf21("7","1","4","5","7","2","1","1") = "6"
    & skf21("7","1","4","5","7","2","2","1") = "6"
    & skf21("7","1","4","5","7","2","3","1") = "6"
    & skf21("7","1","4","5","7","2","4","1") = "6"
    & skf21("7","1","4","5","7","2","5","1") = "6"
    & skf21("7","1","4","5","7","2","6","1") = "6"
    & skf21("7","1","4","5","7","2","7","1") = "6"
    & skf21("7","1","4","5","7","3","1","1") = "6"
    & skf21("7","1","4","5","7","3","2","1") = "6"
    & skf21("7","1","4","5","7","3","3","1") = "6"
    & skf21("7","1","4","5","7","3","4","1") = "6"
    & skf21("7","1","4","5","7","3","5","1") = "6"
    & skf21("7","1","4","5","7","3","6","1") = "6"
    & skf21("7","1","4","5","7","3","7","1") = "6"
    & skf21("7","1","4","5","7","4","1","1") = "6"
    & skf21("7","1","4","5","7","4","2","1") = "6"
    & skf21("7","1","4","5","7","4","3","1") = "6"
    & skf21("7","1","4","5","7","4","4","1") = "6"
    & skf21("7","1","4","5","7","4","5","1") = "6"
    & skf21("7","1","4","5","7","4","6","1") = "6"
    & skf21("7","1","4","5","7","4","7","1") = "6"
    & skf21("7","1","4","5","7","5","1","1") = "6"
    & skf21("7","1","4","5","7","5","2","1") = "6"
    & skf21("7","1","4","5","7","5","3","1") = "6"
    & skf21("7","1","4","5","7","5","4","1") = "6"
    & skf21("7","1","4","5","7","5","5","1") = "6"
    & skf21("7","1","4","5","7","5","6","1") = "6"
    & skf21("7","1","4","5","7","5","7","1") = "6"
    & skf21("7","1","4","5","7","6","1","1") = "6"
    & skf21("7","1","4","5","7","6","2","1") = "6"
    & skf21("7","1","4","5","7","6","3","1") = "6"
    & skf21("7","1","4","5","7","6","4","1") = "6"
    & skf21("7","1","4","5","7","6","5","1") = "6"
    & skf21("7","1","4","5","7","6","6","1") = "6"
    & skf21("7","1","4","5","7","6","7","1") = "6"
    & skf21("7","1","4","5","7","7","1","1") = "6"
    & skf21("7","1","4","5","7","7","2","1") = "6"
    & skf21("7","1","4","5","7","7","3","1") = "6"
    & skf21("7","1","4","5","7","7","4","1") = "6"
    & skf21("7","1","4","5","7","7","5","1") = "6"
    & skf21("7","1","4","5","7","7","6","1") = "6"
    & skf21("7","1","4","5","7","7","7","1") = "6"
    & skf21("7","1","4","6","1","1","1","1") = "6"
    & skf21("7","1","4","6","1","1","2","1") = "6"
    & skf21("7","1","4","6","1","1","3","1") = "6"
    & skf21("7","1","4","6","1","1","4","1") = "6"
    & skf21("7","1","4","6","1","1","5","1") = "6"
    & skf21("7","1","4","6","1","1","6","1") = "6"
    & skf21("7","1","4","6","1","1","7","1") = "6"
    & skf21("7","1","4","6","1","2","1","1") = "6"
    & skf21("7","1","4","6","1","2","2","1") = "6"
    & skf21("7","1","4","6","1","2","3","1") = "6"
    & skf21("7","1","4","6","1","2","4","1") = "6"
    & skf21("7","1","4","6","1","2","5","1") = "6"
    & skf21("7","1","4","6","1","2","6","1") = "6"
    & skf21("7","1","4","6","1","2","7","1") = "6"
    & skf21("7","1","4","6","1","3","1","1") = "6"
    & skf21("7","1","4","6","1","3","2","1") = "6"
    & skf21("7","1","4","6","1","3","3","1") = "6"
    & skf21("7","1","4","6","1","3","4","1") = "6"
    & skf21("7","1","4","6","1","3","5","1") = "6"
    & skf21("7","1","4","6","1","3","6","1") = "6"
    & skf21("7","1","4","6","1","3","7","1") = "6"
    & skf21("7","1","4","6","1","4","1","1") = "6"
    & skf21("7","1","4","6","1","4","2","1") = "6"
    & skf21("7","1","4","6","1","4","3","1") = "6"
    & skf21("7","1","4","6","1","4","4","1") = "6"
    & skf21("7","1","4","6","1","4","5","1") = "6"
    & skf21("7","1","4","6","1","4","6","1") = "6"
    & skf21("7","1","4","6","1","4","7","1") = "6"
    & skf21("7","1","4","6","1","5","1","1") = "6"
    & skf21("7","1","4","6","1","5","2","1") = "6"
    & skf21("7","1","4","6","1","5","3","1") = "6"
    & skf21("7","1","4","6","1","5","4","1") = "6"
    & skf21("7","1","4","6","1","5","5","1") = "6"
    & skf21("7","1","4","6","1","5","6","1") = "6"
    & skf21("7","1","4","6","1","5","7","1") = "6"
    & skf21("7","1","4","6","1","6","1","1") = "6"
    & skf21("7","1","4","6","1","6","2","1") = "6"
    & skf21("7","1","4","6","1","6","3","1") = "6"
    & skf21("7","1","4","6","1","6","4","1") = "6"
    & skf21("7","1","4","6","1","6","5","1") = "6"
    & skf21("7","1","4","6","1","6","6","1") = "6"
    & skf21("7","1","4","6","1","6","7","1") = "6"
    & skf21("7","1","4","6","1","7","1","1") = "6"
    & skf21("7","1","4","6","1","7","2","1") = "6"
    & skf21("7","1","4","6","1","7","3","1") = "6"
    & skf21("7","1","4","6","1","7","4","1") = "6"
    & skf21("7","1","4","6","1","7","5","1") = "6"
    & skf21("7","1","4","6","1","7","6","1") = "6"
    & skf21("7","1","4","6","1","7","7","1") = "6"
    & skf21("7","1","4","6","2","1","1","1") = "6"
    & skf21("7","1","4","6","2","1","2","1") = "6"
    & skf21("7","1","4","6","2","1","3","1") = "6"
    & skf21("7","1","4","6","2","1","4","1") = "6"
    & skf21("7","1","4","6","2","1","5","1") = "6"
    & skf21("7","1","4","6","2","1","6","1") = "6"
    & skf21("7","1","4","6","2","1","7","1") = "6"
    & skf21("7","1","4","6","2","2","1","1") = "6"
    & skf21("7","1","4","6","2","2","2","1") = "6"
    & skf21("7","1","4","6","2","2","3","1") = "6"
    & skf21("7","1","4","6","2","2","4","1") = "6"
    & skf21("7","1","4","6","2","2","5","1") = "6"
    & skf21("7","1","4","6","2","2","6","1") = "6"
    & skf21("7","1","4","6","2","2","7","1") = "6"
    & skf21("7","1","4","6","2","3","1","1") = "6"
    & skf21("7","1","4","6","2","3","2","1") = "6"
    & skf21("7","1","4","6","2","3","3","1") = "6"
    & skf21("7","1","4","6","2","3","4","1") = "6"
    & skf21("7","1","4","6","2","3","5","1") = "6"
    & skf21("7","1","4","6","2","3","6","1") = "6"
    & skf21("7","1","4","6","2","3","7","1") = "6"
    & skf21("7","1","4","6","2","4","1","1") = "6"
    & skf21("7","1","4","6","2","4","2","1") = "6"
    & skf21("7","1","4","6","2","4","3","1") = "6"
    & skf21("7","1","4","6","2","4","4","1") = "6"
    & skf21("7","1","4","6","2","4","5","1") = "6"
    & skf21("7","1","4","6","2","4","6","1") = "6"
    & skf21("7","1","4","6","2","4","7","1") = "6"
    & skf21("7","1","4","6","2","5","1","1") = "6"
    & skf21("7","1","4","6","2","5","2","1") = "6"
    & skf21("7","1","4","6","2","5","3","1") = "6"
    & skf21("7","1","4","6","2","5","4","1") = "6"
    & skf21("7","1","4","6","2","5","5","1") = "6"
    & skf21("7","1","4","6","2","5","6","1") = "6"
    & skf21("7","1","4","6","2","5","7","1") = "6"
    & skf21("7","1","4","6","2","6","1","1") = "6"
    & skf21("7","1","4","6","2","6","2","1") = "6"
    & skf21("7","1","4","6","2","6","3","1") = "6"
    & skf21("7","1","4","6","2","6","4","1") = "6"
    & skf21("7","1","4","6","2","6","5","1") = "6"
    & skf21("7","1","4","6","2","6","6","1") = "6"
    & skf21("7","1","4","6","2","6","7","1") = "6"
    & skf21("7","1","4","6","2","7","1","1") = "6"
    & skf21("7","1","4","6","2","7","2","1") = "6"
    & skf21("7","1","4","6","2","7","3","1") = "6"
    & skf21("7","1","4","6","2","7","4","1") = "6"
    & skf21("7","1","4","6","2","7","5","1") = "6"
    & skf21("7","1","4","6","2","7","6","1") = "6"
    & skf21("7","1","4","6","2","7","7","1") = "6"
    & skf21("7","1","4","6","3","1","1","1") = "6"
    & skf21("7","1","4","6","3","1","2","1") = "6"
    & skf21("7","1","4","6","3","1","3","1") = "6"
    & skf21("7","1","4","6","3","1","4","1") = "6"
    & skf21("7","1","4","6","3","1","5","1") = "6"
    & skf21("7","1","4","6","3","1","6","1") = "6"
    & skf21("7","1","4","6","3","1","7","1") = "6"
    & skf21("7","1","4","6","3","2","1","1") = "6"
    & skf21("7","1","4","6","3","2","2","1") = "6"
    & skf21("7","1","4","6","3","2","3","1") = "6"
    & skf21("7","1","4","6","3","2","4","1") = "6"
    & skf21("7","1","4","6","3","2","5","1") = "6"
    & skf21("7","1","4","6","3","2","6","1") = "6"
    & skf21("7","1","4","6","3","2","7","1") = "6"
    & skf21("7","1","4","6","3","3","1","1") = "6"
    & skf21("7","1","4","6","3","3","2","1") = "6"
    & skf21("7","1","4","6","3","3","3","1") = "6"
    & skf21("7","1","4","6","3","3","4","1") = "6"
    & skf21("7","1","4","6","3","3","5","1") = "6"
    & skf21("7","1","4","6","3","3","6","1") = "6"
    & skf21("7","1","4","6","3","3","7","1") = "6"
    & skf21("7","1","4","6","3","4","1","1") = "6"
    & skf21("7","1","4","6","3","4","2","1") = "6"
    & skf21("7","1","4","6","3","4","3","1") = "6"
    & skf21("7","1","4","6","3","4","4","1") = "6"
    & skf21("7","1","4","6","3","4","5","1") = "6"
    & skf21("7","1","4","6","3","4","6","1") = "6"
    & skf21("7","1","4","6","3","4","7","1") = "6"
    & skf21("7","1","4","6","3","5","1","1") = "6"
    & skf21("7","1","4","6","3","5","2","1") = "6"
    & skf21("7","1","4","6","3","5","3","1") = "6"
    & skf21("7","1","4","6","3","5","4","1") = "6"
    & skf21("7","1","4","6","3","5","5","1") = "6"
    & skf21("7","1","4","6","3","5","6","1") = "6"
    & skf21("7","1","4","6","3","5","7","1") = "6"
    & skf21("7","1","4","6","3","6","1","1") = "6"
    & skf21("7","1","4","6","3","6","2","1") = "6"
    & skf21("7","1","4","6","3","6","3","1") = "6"
    & skf21("7","1","4","6","3","6","4","1") = "6"
    & skf21("7","1","4","6","3","6","5","1") = "6"
    & skf21("7","1","4","6","3","6","6","1") = "6"
    & skf21("7","1","4","6","3","6","7","1") = "6"
    & skf21("7","1","4","6","3","7","1","1") = "6"
    & skf21("7","1","4","6","3","7","2","1") = "6"
    & skf21("7","1","4","6","3","7","3","1") = "6"
    & skf21("7","1","4","6","3","7","4","1") = "6"
    & skf21("7","1","4","6","3","7","5","1") = "6"
    & skf21("7","1","4","6","3","7","6","1") = "6"
    & skf21("7","1","4","6","3","7","7","1") = "6"
    & skf21("7","1","4","6","4","1","1","1") = "6"
    & skf21("7","1","4","6","4","1","2","1") = "6"
    & skf21("7","1","4","6","4","1","3","1") = "6"
    & skf21("7","1","4","6","4","1","4","1") = "6"
    & skf21("7","1","4","6","4","1","5","1") = "6"
    & skf21("7","1","4","6","4","1","6","1") = "6"
    & skf21("7","1","4","6","4","1","7","1") = "6"
    & skf21("7","1","4","6","4","2","1","1") = "6"
    & skf21("7","1","4","6","4","2","2","1") = "6"
    & skf21("7","1","4","6","4","2","3","1") = "6"
    & skf21("7","1","4","6","4","2","4","1") = "6"
    & skf21("7","1","4","6","4","2","5","1") = "6"
    & skf21("7","1","4","6","4","2","6","1") = "6"
    & skf21("7","1","4","6","4","2","7","1") = "6"
    & skf21("7","1","4","6","4","3","1","1") = "6"
    & skf21("7","1","4","6","4","3","2","1") = "6"
    & skf21("7","1","4","6","4","3","3","1") = "6"
    & skf21("7","1","4","6","4","3","4","1") = "6"
    & skf21("7","1","4","6","4","3","5","1") = "6"
    & skf21("7","1","4","6","4","3","6","1") = "6"
    & skf21("7","1","4","6","4","3","7","1") = "6"
    & skf21("7","1","4","6","4","4","1","1") = "6"
    & skf21("7","1","4","6","4","4","2","1") = "6"
    & skf21("7","1","4","6","4","4","3","1") = "6"
    & skf21("7","1","4","6","4","4","4","1") = "6"
    & skf21("7","1","4","6","4","4","5","1") = "6"
    & skf21("7","1","4","6","4","4","6","1") = "6"
    & skf21("7","1","4","6","4","4","7","1") = "6"
    & skf21("7","1","4","6","4","5","1","1") = "6"
    & skf21("7","1","4","6","4","5","2","1") = "6"
    & skf21("7","1","4","6","4","5","3","1") = "6"
    & skf21("7","1","4","6","4","5","4","1") = "6"
    & skf21("7","1","4","6","4","5","5","1") = "6"
    & skf21("7","1","4","6","4","5","6","1") = "6"
    & skf21("7","1","4","6","4","5","7","1") = "6"
    & skf21("7","1","4","6","4","6","1","1") = "6"
    & skf21("7","1","4","6","4","6","2","1") = "6"
    & skf21("7","1","4","6","4","6","3","1") = "6"
    & skf21("7","1","4","6","4","6","4","1") = "6"
    & skf21("7","1","4","6","4","6","5","1") = "6"
    & skf21("7","1","4","6","4","6","6","1") = "6"
    & skf21("7","1","4","6","4","6","7","1") = "6"
    & skf21("7","1","4","6","4","7","1","1") = "6"
    & skf21("7","1","4","6","4","7","2","1") = "6"
    & skf21("7","1","4","6","4","7","3","1") = "6"
    & skf21("7","1","4","6","4","7","4","1") = "6"
    & skf21("7","1","4","6","4","7","5","1") = "6"
    & skf21("7","1","4","6","4","7","6","1") = "6"
    & skf21("7","1","4","6","4","7","7","1") = "6"
    & skf21("7","1","4","6","5","1","1","1") = "6"
    & skf21("7","1","4","6","5","1","2","1") = "6"
    & skf21("7","1","4","6","5","1","3","1") = "6"
    & skf21("7","1","4","6","5","1","4","1") = "6"
    & skf21("7","1","4","6","5","1","5","1") = "6"
    & skf21("7","1","4","6","5","1","6","1") = "6"
    & skf21("7","1","4","6","5","1","7","1") = "6"
    & skf21("7","1","4","6","5","2","1","1") = "6"
    & skf21("7","1","4","6","5","2","2","1") = "6"
    & skf21("7","1","4","6","5","2","3","1") = "6"
    & skf21("7","1","4","6","5","2","4","1") = "6"
    & skf21("7","1","4","6","5","2","5","1") = "6"
    & skf21("7","1","4","6","5","2","6","1") = "6"
    & skf21("7","1","4","6","5","2","7","1") = "6"
    & skf21("7","1","4","6","5","3","1","1") = "6"
    & skf21("7","1","4","6","5","3","2","1") = "6"
    & skf21("7","1","4","6","5","3","3","1") = "6"
    & skf21("7","1","4","6","5","3","4","1") = "6"
    & skf21("7","1","4","6","5","3","5","1") = "6"
    & skf21("7","1","4","6","5","3","6","1") = "6"
    & skf21("7","1","4","6","5","3","7","1") = "6"
    & skf21("7","1","4","6","5","4","1","1") = "6"
    & skf21("7","1","4","6","5","4","2","1") = "6"
    & skf21("7","1","4","6","5","4","3","1") = "6"
    & skf21("7","1","4","6","5","4","4","1") = "6"
    & skf21("7","1","4","6","5","4","5","1") = "6"
    & skf21("7","1","4","6","5","4","6","1") = "6"
    & skf21("7","1","4","6","5","4","7","1") = "6"
    & skf21("7","1","4","6","5","5","1","1") = "6"
    & skf21("7","1","4","6","5","5","2","1") = "6"
    & skf21("7","1","4","6","5","5","3","1") = "6"
    & skf21("7","1","4","6","5","5","4","1") = "6"
    & skf21("7","1","4","6","5","5","5","1") = "6"
    & skf21("7","1","4","6","5","5","6","1") = "6"
    & skf21("7","1","4","6","5","5","7","1") = "6"
    & skf21("7","1","4","6","5","6","1","1") = "6"
    & skf21("7","1","4","6","5","6","2","1") = "6"
    & skf21("7","1","4","6","5","6","3","1") = "6"
    & skf21("7","1","4","6","5","6","4","1") = "6"
    & skf21("7","1","4","6","5","6","5","1") = "6"
    & skf21("7","1","4","6","5","6","6","1") = "6"
    & skf21("7","1","4","6","5","6","7","1") = "6"
    & skf21("7","1","4","6","5","7","1","1") = "6"
    & skf21("7","1","4","6","5","7","2","1") = "6"
    & skf21("7","1","4","6","5","7","3","1") = "6"
    & skf21("7","1","4","6","5","7","4","1") = "6"
    & skf21("7","1","4","6","5","7","5","1") = "6"
    & skf21("7","1","4","6","5","7","6","1") = "6"
    & skf21("7","1","4","6","5","7","7","1") = "6"
    & skf21("7","1","4","6","6","1","1","1") = "6"
    & skf21("7","1","4","6","6","1","2","1") = "6"
    & skf21("7","1","4","6","6","1","3","1") = "6"
    & skf21("7","1","4","6","6","1","4","1") = "6"
    & skf21("7","1","4","6","6","1","5","1") = "6"
    & skf21("7","1","4","6","6","1","6","1") = "6"
    & skf21("7","1","4","6","6","1","7","1") = "6"
    & skf21("7","1","4","6","6","2","1","1") = "6"
    & skf21("7","1","4","6","6","2","2","1") = "6"
    & skf21("7","1","4","6","6","2","3","1") = "6"
    & skf21("7","1","4","6","6","2","4","1") = "6"
    & skf21("7","1","4","6","6","2","5","1") = "6"
    & skf21("7","1","4","6","6","2","6","1") = "6"
    & skf21("7","1","4","6","6","2","7","1") = "6"
    & skf21("7","1","4","6","6","3","1","1") = "6"
    & skf21("7","1","4","6","6","3","2","1") = "6"
    & skf21("7","1","4","6","6","3","3","1") = "6"
    & skf21("7","1","4","6","6","3","4","1") = "6"
    & skf21("7","1","4","6","6","3","5","1") = "6"
    & skf21("7","1","4","6","6","3","6","1") = "6"
    & skf21("7","1","4","6","6","3","7","1") = "6"
    & skf21("7","1","4","6","6","4","1","1") = "6"
    & skf21("7","1","4","6","6","4","2","1") = "6"
    & skf21("7","1","4","6","6","4","3","1") = "6"
    & skf21("7","1","4","6","6","4","4","1") = "6"
    & skf21("7","1","4","6","6","4","5","1") = "6"
    & skf21("7","1","4","6","6","4","6","1") = "6"
    & skf21("7","1","4","6","6","4","7","1") = "6"
    & skf21("7","1","4","6","6","5","1","1") = "6"
    & skf21("7","1","4","6","6","5","2","1") = "6"
    & skf21("7","1","4","6","6","5","3","1") = "6"
    & skf21("7","1","4","6","6","5","4","1") = "6"
    & skf21("7","1","4","6","6","5","5","1") = "6"
    & skf21("7","1","4","6","6","5","6","1") = "6"
    & skf21("7","1","4","6","6","5","7","1") = "6"
    & skf21("7","1","4","6","6","6","1","1") = "6"
    & skf21("7","1","4","6","6","6","2","1") = "6"
    & skf21("7","1","4","6","6","6","3","1") = "6"
    & skf21("7","1","4","6","6","6","4","1") = "6"
    & skf21("7","1","4","6","6","6","5","1") = "6"
    & skf21("7","1","4","6","6","6","6","1") = "6"
    & skf21("7","1","4","6","6","6","7","1") = "6"
    & skf21("7","1","4","6","6","7","1","1") = "6"
    & skf21("7","1","4","6","6","7","2","1") = "6"
    & skf21("7","1","4","6","6","7","3","1") = "6"
    & skf21("7","1","4","6","6","7","4","1") = "6"
    & skf21("7","1","4","6","6","7","5","1") = "6"
    & skf21("7","1","4","6","6","7","6","1") = "6"
    & skf21("7","1","4","6","6","7","7","1") = "6"
    & skf21("7","1","4","6","7","1","1","1") = "6"
    & skf21("7","1","4","6","7","1","2","1") = "6"
    & skf21("7","1","4","6","7","1","3","1") = "6"
    & skf21("7","1","4","6","7","1","4","1") = "6"
    & skf21("7","1","4","6","7","1","5","1") = "6"
    & skf21("7","1","4","6","7","1","6","1") = "6"
    & skf21("7","1","4","6","7","1","7","1") = "6"
    & skf21("7","1","4","6","7","2","1","1") = "6"
    & skf21("7","1","4","6","7","2","2","1") = "6"
    & skf21("7","1","4","6","7","2","3","1") = "6"
    & skf21("7","1","4","6","7","2","4","1") = "6"
    & skf21("7","1","4","6","7","2","5","1") = "6"
    & skf21("7","1","4","6","7","2","6","1") = "6"
    & skf21("7","1","4","6","7","2","7","1") = "6"
    & skf21("7","1","4","6","7","3","1","1") = "6"
    & skf21("7","1","4","6","7","3","2","1") = "6"
    & skf21("7","1","4","6","7","3","3","1") = "6"
    & skf21("7","1","4","6","7","3","4","1") = "6"
    & skf21("7","1","4","6","7","3","5","1") = "6"
    & skf21("7","1","4","6","7","3","6","1") = "6"
    & skf21("7","1","4","6","7","3","7","1") = "6"
    & skf21("7","1","4","6","7","4","1","1") = "6"
    & skf21("7","1","4","6","7","4","2","1") = "6"
    & skf21("7","1","4","6","7","4","3","1") = "6"
    & skf21("7","1","4","6","7","4","4","1") = "6"
    & skf21("7","1","4","6","7","4","5","1") = "6"
    & skf21("7","1","4","6","7","4","6","1") = "6"
    & skf21("7","1","4","6","7","4","7","1") = "6"
    & skf21("7","1","4","6","7","5","1","1") = "6"
    & skf21("7","1","4","6","7","5","2","1") = "6"
    & skf21("7","1","4","6","7","5","3","1") = "6"
    & skf21("7","1","4","6","7","5","4","1") = "6"
    & skf21("7","1","4","6","7","5","5","1") = "6"
    & skf21("7","1","4","6","7","5","6","1") = "6"
    & skf21("7","1","4","6","7","5","7","1") = "6"
    & skf21("7","1","4","6","7","6","1","1") = "6"
    & skf21("7","1","4","6","7","6","2","1") = "6"
    & skf21("7","1","4","6","7","6","3","1") = "6"
    & skf21("7","1","4","6","7","6","4","1") = "6"
    & skf21("7","1","4","6","7","6","5","1") = "6"
    & skf21("7","1","4","6","7","6","6","1") = "6"
    & skf21("7","1","4","6","7","6","7","1") = "6"
    & skf21("7","1","4","6","7","7","1","1") = "6"
    & skf21("7","1","4","6","7","7","2","1") = "6"
    & skf21("7","1","4","6","7","7","3","1") = "6"
    & skf21("7","1","4","6","7","7","4","1") = "6"
    & skf21("7","1","4","6","7","7","5","1") = "6"
    & skf21("7","1","4","6","7","7","6","1") = "6"
    & skf21("7","1","4","6","7","7","7","1") = "6"
    & skf21("7","1","4","7","1","1","1","1") = "6"
    & skf21("7","1","4","7","1","1","2","1") = "6"
    & skf21("7","1","4","7","1","1","3","1") = "6"
    & skf21("7","1","4","7","1","1","4","1") = "6"
    & skf21("7","1","4","7","1","1","5","1") = "6"
    & skf21("7","1","4","7","1","1","6","1") = "6"
    & skf21("7","1","4","7","1","1","7","1") = "6"
    & skf21("7","1","4","7","1","2","1","1") = "6"
    & skf21("7","1","4","7","1","2","2","1") = "6"
    & skf21("7","1","4","7","1","2","3","1") = "6"
    & skf21("7","1","4","7","1","2","4","1") = "6"
    & skf21("7","1","4","7","1","2","5","1") = "6"
    & skf21("7","1","4","7","1","2","6","1") = "6"
    & skf21("7","1","4","7","1","2","7","1") = "6"
    & skf21("7","1","4","7","1","3","1","1") = "6"
    & skf21("7","1","4","7","1","3","2","1") = "6"
    & skf21("7","1","4","7","1","3","3","1") = "6"
    & skf21("7","1","4","7","1","3","4","1") = "6"
    & skf21("7","1","4","7","1","3","5","1") = "6"
    & skf21("7","1","4","7","1","3","6","1") = "6"
    & skf21("7","1","4","7","1","3","7","1") = "6"
    & skf21("7","1","4","7","1","4","1","1") = "6"
    & skf21("7","1","4","7","1","4","2","1") = "6"
    & skf21("7","1","4","7","1","4","3","1") = "6"
    & skf21("7","1","4","7","1","4","4","1") = "6"
    & skf21("7","1","4","7","1","4","5","1") = "6"
    & skf21("7","1","4","7","1","4","6","1") = "6"
    & skf21("7","1","4","7","1","4","7","1") = "6"
    & skf21("7","1","4","7","1","5","1","1") = "6"
    & skf21("7","1","4","7","1","5","2","1") = "6"
    & skf21("7","1","4","7","1","5","3","1") = "6"
    & skf21("7","1","4","7","1","5","4","1") = "6"
    & skf21("7","1","4","7","1","5","5","1") = "6"
    & skf21("7","1","4","7","1","5","6","1") = "6"
    & skf21("7","1","4","7","1","5","7","1") = "6"
    & skf21("7","1","4","7","1","6","1","1") = "6"
    & skf21("7","1","4","7","1","6","2","1") = "6"
    & skf21("7","1","4","7","1","6","3","1") = "6"
    & skf21("7","1","4","7","1","6","4","1") = "6"
    & skf21("7","1","4","7","1","6","5","1") = "6"
    & skf21("7","1","4","7","1","6","6","1") = "6"
    & skf21("7","1","4","7","1","6","7","1") = "6"
    & skf21("7","1","4","7","1","7","1","1") = "6"
    & skf21("7","1","4","7","1","7","2","1") = "6"
    & skf21("7","1","4","7","1","7","3","1") = "6"
    & skf21("7","1","4","7","1","7","4","1") = "6"
    & skf21("7","1","4","7","1","7","5","1") = "6"
    & skf21("7","1","4","7","1","7","6","1") = "6"
    & skf21("7","1","4","7","1","7","7","1") = "6"
    & skf21("7","1","4","7","2","1","1","1") = "6"
    & skf21("7","1","4","7","2","1","2","1") = "6"
    & skf21("7","1","4","7","2","1","3","1") = "6"
    & skf21("7","1","4","7","2","1","4","1") = "6"
    & skf21("7","1","4","7","2","1","5","1") = "6"
    & skf21("7","1","4","7","2","1","6","1") = "6"
    & skf21("7","1","4","7","2","1","7","1") = "6"
    & skf21("7","1","4","7","2","2","1","1") = "6"
    & skf21("7","1","4","7","2","2","2","1") = "6"
    & skf21("7","1","4","7","2","2","3","1") = "6"
    & skf21("7","1","4","7","2","2","4","1") = "6"
    & skf21("7","1","4","7","2","2","5","1") = "6"
    & skf21("7","1","4","7","2","2","6","1") = "6"
    & skf21("7","1","4","7","2","2","7","1") = "6"
    & skf21("7","1","4","7","2","3","1","1") = "6"
    & skf21("7","1","4","7","2","3","2","1") = "6"
    & skf21("7","1","4","7","2","3","3","1") = "6"
    & skf21("7","1","4","7","2","3","4","1") = "6"
    & skf21("7","1","4","7","2","3","5","1") = "6"
    & skf21("7","1","4","7","2","3","6","1") = "6"
    & skf21("7","1","4","7","2","3","7","1") = "6"
    & skf21("7","1","4","7","2","4","1","1") = "6"
    & skf21("7","1","4","7","2","4","2","1") = "6"
    & skf21("7","1","4","7","2","4","3","1") = "6"
    & skf21("7","1","4","7","2","4","4","1") = "6"
    & skf21("7","1","4","7","2","4","5","1") = "6"
    & skf21("7","1","4","7","2","4","6","1") = "6"
    & skf21("7","1","4","7","2","4","7","1") = "6"
    & skf21("7","1","4","7","2","5","1","1") = "6"
    & skf21("7","1","4","7","2","5","2","1") = "6"
    & skf21("7","1","4","7","2","5","3","1") = "6"
    & skf21("7","1","4","7","2","5","4","1") = "6"
    & skf21("7","1","4","7","2","5","5","1") = "6"
    & skf21("7","1","4","7","2","5","6","1") = "6"
    & skf21("7","1","4","7","2","5","7","1") = "6"
    & skf21("7","1","4","7","2","6","1","1") = "6"
    & skf21("7","1","4","7","2","6","2","1") = "6"
    & skf21("7","1","4","7","2","6","3","1") = "6"
    & skf21("7","1","4","7","2","6","4","1") = "6"
    & skf21("7","1","4","7","2","6","5","1") = "6"
    & skf21("7","1","4","7","2","6","6","1") = "6"
    & skf21("7","1","4","7","2","6","7","1") = "6"
    & skf21("7","1","4","7","2","7","1","1") = "6"
    & skf21("7","1","4","7","2","7","2","1") = "6"
    & skf21("7","1","4","7","2","7","3","1") = "6"
    & skf21("7","1","4","7","2","7","4","1") = "6"
    & skf21("7","1","4","7","2","7","5","1") = "6"
    & skf21("7","1","4","7","2","7","6","1") = "6"
    & skf21("7","1","4","7","2","7","7","1") = "6"
    & skf21("7","1","4","7","3","1","1","1") = "6"
    & skf21("7","1","4","7","3","1","2","1") = "6"
    & skf21("7","1","4","7","3","1","3","1") = "6"
    & skf21("7","1","4","7","3","1","4","1") = "6"
    & skf21("7","1","4","7","3","1","5","1") = "6"
    & skf21("7","1","4","7","3","1","6","1") = "6"
    & skf21("7","1","4","7","3","1","7","1") = "6"
    & skf21("7","1","4","7","3","2","1","1") = "6"
    & skf21("7","1","4","7","3","2","2","1") = "6"
    & skf21("7","1","4","7","3","2","3","1") = "6"
    & skf21("7","1","4","7","3","2","4","1") = "6"
    & skf21("7","1","4","7","3","2","5","1") = "6"
    & skf21("7","1","4","7","3","2","6","1") = "6"
    & skf21("7","1","4","7","3","2","7","1") = "6"
    & skf21("7","1","4","7","3","3","1","1") = "6"
    & skf21("7","1","4","7","3","3","2","1") = "6"
    & skf21("7","1","4","7","3","3","3","1") = "6"
    & skf21("7","1","4","7","3","3","4","1") = "6"
    & skf21("7","1","4","7","3","3","5","1") = "6"
    & skf21("7","1","4","7","3","3","6","1") = "6"
    & skf21("7","1","4","7","3","3","7","1") = "6"
    & skf21("7","1","4","7","3","4","1","1") = "6"
    & skf21("7","1","4","7","3","4","2","1") = "6"
    & skf21("7","1","4","7","3","4","3","1") = "6"
    & skf21("7","1","4","7","3","4","4","1") = "6"
    & skf21("7","1","4","7","3","4","5","1") = "6"
    & skf21("7","1","4","7","3","4","6","1") = "6"
    & skf21("7","1","4","7","3","4","7","1") = "6"
    & skf21("7","1","4","7","3","5","1","1") = "6"
    & skf21("7","1","4","7","3","5","2","1") = "6"
    & skf21("7","1","4","7","3","5","3","1") = "6"
    & skf21("7","1","4","7","3","5","4","1") = "6"
    & skf21("7","1","4","7","3","5","5","1") = "6"
    & skf21("7","1","4","7","3","5","6","1") = "6"
    & skf21("7","1","4","7","3","5","7","1") = "6"
    & skf21("7","1","4","7","3","6","1","1") = "6"
    & skf21("7","1","4","7","3","6","2","1") = "6"
    & skf21("7","1","4","7","3","6","3","1") = "6"
    & skf21("7","1","4","7","3","6","4","1") = "6"
    & skf21("7","1","4","7","3","6","5","1") = "6"
    & skf21("7","1","4","7","3","6","6","1") = "6"
    & skf21("7","1","4","7","3","6","7","1") = "6"
    & skf21("7","1","4","7","3","7","1","1") = "6"
    & skf21("7","1","4","7","3","7","2","1") = "6"
    & skf21("7","1","4","7","3","7","3","1") = "6"
    & skf21("7","1","4","7","3","7","4","1") = "6"
    & skf21("7","1","4","7","3","7","5","1") = "6"
    & skf21("7","1","4","7","3","7","6","1") = "6"
    & skf21("7","1","4","7","3","7","7","1") = "6"
    & skf21("7","1","4","7","4","1","1","1") = "6"
    & skf21("7","1","4","7","4","1","2","1") = "6"
    & skf21("7","1","4","7","4","1","3","1") = "6"
    & skf21("7","1","4","7","4","1","4","1") = "6"
    & skf21("7","1","4","7","4","1","5","1") = "6"
    & skf21("7","1","4","7","4","1","6","1") = "6"
    & skf21("7","1","4","7","4","1","7","1") = "6"
    & skf21("7","1","4","7","4","2","1","1") = "6"
    & skf21("7","1","4","7","4","2","2","1") = "6"
    & skf21("7","1","4","7","4","2","3","1") = "6"
    & skf21("7","1","4","7","4","2","4","1") = "6"
    & skf21("7","1","4","7","4","2","5","1") = "6"
    & skf21("7","1","4","7","4","2","6","1") = "6"
    & skf21("7","1","4","7","4","2","7","1") = "6"
    & skf21("7","1","4","7","4","3","1","1") = "6"
    & skf21("7","1","4","7","4","3","2","1") = "6"
    & skf21("7","1","4","7","4","3","3","1") = "6"
    & skf21("7","1","4","7","4","3","4","1") = "6"
    & skf21("7","1","4","7","4","3","5","1") = "6"
    & skf21("7","1","4","7","4","3","6","1") = "6"
    & skf21("7","1","4","7","4","3","7","1") = "6"
    & skf21("7","1","4","7","4","4","1","1") = "6"
    & skf21("7","1","4","7","4","4","2","1") = "6"
    & skf21("7","1","4","7","4","4","3","1") = "6"
    & skf21("7","1","4","7","4","4","4","1") = "6"
    & skf21("7","1","4","7","4","4","5","1") = "6"
    & skf21("7","1","4","7","4","4","6","1") = "6"
    & skf21("7","1","4","7","4","4","7","1") = "6"
    & skf21("7","1","4","7","4","5","1","1") = "6"
    & skf21("7","1","4","7","4","5","2","1") = "6"
    & skf21("7","1","4","7","4","5","3","1") = "6"
    & skf21("7","1","4","7","4","5","4","1") = "6"
    & skf21("7","1","4","7","4","5","5","1") = "6"
    & skf21("7","1","4","7","4","5","6","1") = "6"
    & skf21("7","1","4","7","4","5","7","1") = "6"
    & skf21("7","1","4","7","4","6","1","1") = "6"
    & skf21("7","1","4","7","4","6","2","1") = "6"
    & skf21("7","1","4","7","4","6","3","1") = "6"
    & skf21("7","1","4","7","4","6","4","1") = "6"
    & skf21("7","1","4","7","4","6","5","1") = "6"
    & skf21("7","1","4","7","4","6","6","1") = "6"
    & skf21("7","1","4","7","4","6","7","1") = "6"
    & skf21("7","1","4","7","4","7","1","1") = "6"
    & skf21("7","1","4","7","4","7","2","1") = "6"
    & skf21("7","1","4","7","4","7","3","1") = "6"
    & skf21("7","1","4","7","4","7","4","1") = "6"
    & skf21("7","1","4","7","4","7","5","1") = "6"
    & skf21("7","1","4","7","4","7","6","1") = "6"
    & skf21("7","1","4","7","4","7","7","1") = "6"
    & skf21("7","1","4","7","5","1","1","1") = "6"
    & skf21("7","1","4","7","5","1","2","1") = "6"
    & skf21("7","1","4","7","5","1","3","1") = "6"
    & skf21("7","1","4","7","5","1","4","1") = "6"
    & skf21("7","1","4","7","5","1","5","1") = "6"
    & skf21("7","1","4","7","5","1","6","1") = "6"
    & skf21("7","1","4","7","5","1","7","1") = "6"
    & skf21("7","1","4","7","5","2","1","1") = "6"
    & skf21("7","1","4","7","5","2","2","1") = "6"
    & skf21("7","1","4","7","5","2","3","1") = "6"
    & skf21("7","1","4","7","5","2","4","1") = "6"
    & skf21("7","1","4","7","5","2","5","1") = "6"
    & skf21("7","1","4","7","5","2","6","1") = "6"
    & skf21("7","1","4","7","5","2","7","1") = "6"
    & skf21("7","1","4","7","5","3","1","1") = "6"
    & skf21("7","1","4","7","5","3","2","1") = "6"
    & skf21("7","1","4","7","5","3","3","1") = "6"
    & skf21("7","1","4","7","5","3","4","1") = "6"
    & skf21("7","1","4","7","5","3","5","1") = "6"
    & skf21("7","1","4","7","5","3","6","1") = "6"
    & skf21("7","1","4","7","5","3","7","1") = "6"
    & skf21("7","1","4","7","5","4","1","1") = "6"
    & skf21("7","1","4","7","5","4","2","1") = "6"
    & skf21("7","1","4","7","5","4","3","1") = "6"
    & skf21("7","1","4","7","5","4","4","1") = "6"
    & skf21("7","1","4","7","5","4","5","1") = "6"
    & skf21("7","1","4","7","5","4","6","1") = "6"
    & skf21("7","1","4","7","5","4","7","1") = "6"
    & skf21("7","1","4","7","5","5","1","1") = "6"
    & skf21("7","1","4","7","5","5","2","1") = "6"
    & skf21("7","1","4","7","5","5","3","1") = "6"
    & skf21("7","1","4","7","5","5","4","1") = "6"
    & skf21("7","1","4","7","5","5","5","1") = "6"
    & skf21("7","1","4","7","5","5","6","1") = "6"
    & skf21("7","1","4","7","5","5","7","1") = "6"
    & skf21("7","1","4","7","5","6","1","1") = "6"
    & skf21("7","1","4","7","5","6","2","1") = "6"
    & skf21("7","1","4","7","5","6","3","1") = "6"
    & skf21("7","1","4","7","5","6","4","1") = "6"
    & skf21("7","1","4","7","5","6","5","1") = "6"
    & skf21("7","1","4","7","5","6","6","1") = "6"
    & skf21("7","1","4","7","5","6","7","1") = "6"
    & skf21("7","1","4","7","5","7","1","1") = "6"
    & skf21("7","1","4","7","5","7","2","1") = "6"
    & skf21("7","1","4","7","5","7","3","1") = "6"
    & skf21("7","1","4","7","5","7","4","1") = "6"
    & skf21("7","1","4","7","5","7","5","1") = "6"
    & skf21("7","1","4","7","5","7","6","1") = "6"
    & skf21("7","1","4","7","5","7","7","1") = "6"
    & skf21("7","1","4","7","6","1","1","1") = "6"
    & skf21("7","1","4","7","6","1","2","1") = "6"
    & skf21("7","1","4","7","6","1","3","1") = "6"
    & skf21("7","1","4","7","6","1","4","1") = "6"
    & skf21("7","1","4","7","6","1","5","1") = "6"
    & skf21("7","1","4","7","6","1","6","1") = "6"
    & skf21("7","1","4","7","6","1","7","1") = "6"
    & skf21("7","1","4","7","6","2","1","1") = "6"
    & skf21("7","1","4","7","6","2","2","1") = "6"
    & skf21("7","1","4","7","6","2","3","1") = "6"
    & skf21("7","1","4","7","6","2","4","1") = "6"
    & skf21("7","1","4","7","6","2","5","1") = "6"
    & skf21("7","1","4","7","6","2","6","1") = "6"
    & skf21("7","1","4","7","6","2","7","1") = "6"
    & skf21("7","1","4","7","6","3","1","1") = "6"
    & skf21("7","1","4","7","6","3","2","1") = "6"
    & skf21("7","1","4","7","6","3","3","1") = "6"
    & skf21("7","1","4","7","6","3","4","1") = "6"
    & skf21("7","1","4","7","6","3","5","1") = "6"
    & skf21("7","1","4","7","6","3","6","1") = "6"
    & skf21("7","1","4","7","6","3","7","1") = "6"
    & skf21("7","1","4","7","6","4","1","1") = "6"
    & skf21("7","1","4","7","6","4","2","1") = "6"
    & skf21("7","1","4","7","6","4","3","1") = "6"
    & skf21("7","1","4","7","6","4","4","1") = "6"
    & skf21("7","1","4","7","6","4","5","1") = "6"
    & skf21("7","1","4","7","6","4","6","1") = "6"
    & skf21("7","1","4","7","6","4","7","1") = "6"
    & skf21("7","1","4","7","6","5","1","1") = "6"
    & skf21("7","1","4","7","6","5","2","1") = "6"
    & skf21("7","1","4","7","6","5","3","1") = "6"
    & skf21("7","1","4","7","6","5","4","1") = "6"
    & skf21("7","1","4","7","6","5","5","1") = "6"
    & skf21("7","1","4","7","6","5","6","1") = "6"
    & skf21("7","1","4","7","6","5","7","1") = "6"
    & skf21("7","1","4","7","6","6","1","1") = "6"
    & skf21("7","1","4","7","6","6","2","1") = "6"
    & skf21("7","1","4","7","6","6","3","1") = "6"
    & skf21("7","1","4","7","6","6","4","1") = "6"
    & skf21("7","1","4","7","6","6","5","1") = "6"
    & skf21("7","1","4","7","6","6","6","1") = "6"
    & skf21("7","1","4","7","6","6","7","1") = "6"
    & skf21("7","1","4","7","6","7","1","1") = "6"
    & skf21("7","1","4","7","6","7","2","1") = "6"
    & skf21("7","1","4","7","6","7","3","1") = "6"
    & skf21("7","1","4","7","6","7","4","1") = "6"
    & skf21("7","1","4","7","6","7","5","1") = "6"
    & skf21("7","1","4","7","6","7","6","1") = "6"
    & skf21("7","1","4","7","6","7","7","1") = "6"
    & skf21("7","1","4","7","7","1","1","1") = "6"
    & skf21("7","1","4","7","7","1","2","1") = "6"
    & skf21("7","1","4","7","7","1","3","1") = "6"
    & skf21("7","1","4","7","7","1","4","1") = "6"
    & skf21("7","1","4","7","7","1","5","1") = "6"
    & skf21("7","1","4","7","7","1","6","1") = "6"
    & skf21("7","1","4","7","7","1","7","1") = "6"
    & skf21("7","1","4","7","7","2","1","1") = "6"
    & skf21("7","1","4","7","7","2","2","1") = "6"
    & skf21("7","1","4","7","7","2","3","1") = "6"
    & skf21("7","1","4","7","7","2","4","1") = "6"
    & skf21("7","1","4","7","7","2","5","1") = "6"
    & skf21("7","1","4","7","7","2","6","1") = "6"
    & skf21("7","1","4","7","7","2","7","1") = "6"
    & skf21("7","1","4","7","7","3","1","1") = "6"
    & skf21("7","1","4","7","7","3","2","1") = "6"
    & skf21("7","1","4","7","7","3","3","1") = "6"
    & skf21("7","1","4","7","7","3","4","1") = "6"
    & skf21("7","1","4","7","7","3","5","1") = "6"
    & skf21("7","1","4","7","7","3","6","1") = "6"
    & skf21("7","1","4","7","7","3","7","1") = "6"
    & skf21("7","1","4","7","7","4","1","1") = "6"
    & skf21("7","1","4","7","7","4","2","1") = "6"
    & skf21("7","1","4","7","7","4","3","1") = "6"
    & skf21("7","1","4","7","7","4","4","1") = "6"
    & skf21("7","1","4","7","7","4","5","1") = "6"
    & skf21("7","1","4","7","7","4","6","1") = "6"
    & skf21("7","1","4","7","7","4","7","1") = "6"
    & skf21("7","1","4","7","7","5","1","1") = "6"
    & skf21("7","1","4","7","7","5","2","1") = "6"
    & skf21("7","1","4","7","7","5","3","1") = "6"
    & skf21("7","1","4","7","7","5","4","1") = "6"
    & skf21("7","1","4","7","7","5","5","1") = "6"
    & skf21("7","1","4","7","7","5","6","1") = "6"
    & skf21("7","1","4","7","7","5","7","1") = "6"
    & skf21("7","1","4","7","7","6","1","1") = "6"
    & skf21("7","1","4","7","7","6","2","1") = "6"
    & skf21("7","1","4","7","7","6","3","1") = "6"
    & skf21("7","1","4","7","7","6","4","1") = "6"
    & skf21("7","1","4","7","7","6","5","1") = "6"
    & skf21("7","1","4","7","7","6","6","1") = "6"
    & skf21("7","1","4","7","7","6","7","1") = "6"
    & skf21("7","1","4","7","7","7","1","1") = "6"
    & skf21("7","1","4","7","7","7","2","1") = "6"
    & skf21("7","1","4","7","7","7","3","1") = "6"
    & skf21("7","1","4","7","7","7","4","1") = "6"
    & skf21("7","1","4","7","7","7","5","1") = "6"
    & skf21("7","1","4","7","7","7","6","1") = "6"
    & skf21("7","1","4","7","7","7","7","1") = "6"
    & skf21("7","1","5","1","1","1","1","1") = "6"
    & skf21("7","1","5","1","1","1","2","1") = "6"
    & skf21("7","1","5","1","1","1","3","1") = "6"
    & skf21("7","1","5","1","1","1","4","1") = "6"
    & skf21("7","1","5","1","1","1","5","1") = "6"
    & skf21("7","1","5","1","1","1","6","1") = "6"
    & skf21("7","1","5","1","1","1","7","1") = "6"
    & skf21("7","1","5","1","1","2","1","1") = "6"
    & skf21("7","1","5","1","1","2","2","1") = "6"
    & skf21("7","1","5","1","1","2","3","1") = "6"
    & skf21("7","1","5","1","1","2","4","1") = "6"
    & skf21("7","1","5","1","1","2","5","1") = "6"
    & skf21("7","1","5","1","1","2","6","1") = "6"
    & skf21("7","1","5","1","1","2","7","1") = "6"
    & skf21("7","1","5","1","1","3","1","1") = "6"
    & skf21("7","1","5","1","1","3","2","1") = "6"
    & skf21("7","1","5","1","1","3","3","1") = "6"
    & skf21("7","1","5","1","1","3","4","1") = "6"
    & skf21("7","1","5","1","1","3","5","1") = "6"
    & skf21("7","1","5","1","1","3","6","1") = "6"
    & skf21("7","1","5","1","1","3","7","1") = "6"
    & skf21("7","1","5","1","1","4","1","1") = "6"
    & skf21("7","1","5","1","1","4","2","1") = "6"
    & skf21("7","1","5","1","1","4","3","1") = "6"
    & skf21("7","1","5","1","1","4","4","1") = "6"
    & skf21("7","1","5","1","1","4","5","1") = "6"
    & skf21("7","1","5","1","1","4","6","1") = "6"
    & skf21("7","1","5","1","1","4","7","1") = "6"
    & skf21("7","1","5","1","1","5","1","1") = "6"
    & skf21("7","1","5","1","1","5","2","1") = "6"
    & skf21("7","1","5","1","1","5","3","1") = "6"
    & skf21("7","1","5","1","1","5","4","1") = "6"
    & skf21("7","1","5","1","1","5","5","1") = "6"
    & skf21("7","1","5","1","1","5","6","1") = "6"
    & skf21("7","1","5","1","1","5","7","1") = "6"
    & skf21("7","1","5","1","1","6","1","1") = "6"
    & skf21("7","1","5","1","1","6","2","1") = "6"
    & skf21("7","1","5","1","1","6","3","1") = "6"
    & skf21("7","1","5","1","1","6","4","1") = "6"
    & skf21("7","1","5","1","1","6","5","1") = "6"
    & skf21("7","1","5","1","1","6","6","1") = "6"
    & skf21("7","1","5","1","1","6","7","1") = "6"
    & skf21("7","1","5","1","1","7","1","1") = "6"
    & skf21("7","1","5","1","1","7","2","1") = "6"
    & skf21("7","1","5","1","1","7","3","1") = "6"
    & skf21("7","1","5","1","1","7","4","1") = "6"
    & skf21("7","1","5","1","1","7","5","1") = "6"
    & skf21("7","1","5","1","1","7","6","1") = "6"
    & skf21("7","1","5","1","1","7","7","1") = "6"
    & skf21("7","1","5","1","2","1","1","1") = "6"
    & skf21("7","1","5","1","2","1","2","1") = "6"
    & skf21("7","1","5","1","2","1","3","1") = "6"
    & skf21("7","1","5","1","2","1","4","1") = "6"
    & skf21("7","1","5","1","2","1","5","1") = "6"
    & skf21("7","1","5","1","2","1","6","1") = "6"
    & skf21("7","1","5","1","2","1","7","1") = "6"
    & skf21("7","1","5","1","2","2","1","1") = "6"
    & skf21("7","1","5","1","2","2","2","1") = "6"
    & skf21("7","1","5","1","2","2","3","1") = "6"
    & skf21("7","1","5","1","2","2","4","1") = "6"
    & skf21("7","1","5","1","2","2","5","1") = "6"
    & skf21("7","1","5","1","2","2","6","1") = "6"
    & skf21("7","1","5","1","2","2","7","1") = "6"
    & skf21("7","1","5","1","2","3","1","1") = "6"
    & skf21("7","1","5","1","2","3","2","1") = "6"
    & skf21("7","1","5","1","2","3","3","1") = "6"
    & skf21("7","1","5","1","2","3","4","1") = "6"
    & skf21("7","1","5","1","2","3","5","1") = "6"
    & skf21("7","1","5","1","2","3","6","1") = "6"
    & skf21("7","1","5","1","2","3","7","1") = "6"
    & skf21("7","1","5","1","2","4","1","1") = "6"
    & skf21("7","1","5","1","2","4","2","1") = "6"
    & skf21("7","1","5","1","2","4","3","1") = "6"
    & skf21("7","1","5","1","2","4","4","1") = "6"
    & skf21("7","1","5","1","2","4","5","1") = "6"
    & skf21("7","1","5","1","2","4","6","1") = "6"
    & skf21("7","1","5","1","2","4","7","1") = "6"
    & skf21("7","1","5","1","2","5","1","1") = "6"
    & skf21("7","1","5","1","2","5","2","1") = "6"
    & skf21("7","1","5","1","2","5","3","1") = "6"
    & skf21("7","1","5","1","2","5","4","1") = "6"
    & skf21("7","1","5","1","2","5","5","1") = "6"
    & skf21("7","1","5","1","2","5","6","1") = "6"
    & skf21("7","1","5","1","2","5","7","1") = "6"
    & skf21("7","1","5","1","2","6","1","1") = "6"
    & skf21("7","1","5","1","2","6","2","1") = "6"
    & skf21("7","1","5","1","2","6","3","1") = "6"
    & skf21("7","1","5","1","2","6","4","1") = "6"
    & skf21("7","1","5","1","2","6","5","1") = "6"
    & skf21("7","1","5","1","2","6","6","1") = "6"
    & skf21("7","1","5","1","2","6","7","1") = "6"
    & skf21("7","1","5","1","2","7","1","1") = "6"
    & skf21("7","1","5","1","2","7","2","1") = "6"
    & skf21("7","1","5","1","2","7","3","1") = "6"
    & skf21("7","1","5","1","2","7","4","1") = "6"
    & skf21("7","1","5","1","2","7","5","1") = "6"
    & skf21("7","1","5","1","2","7","6","1") = "6"
    & skf21("7","1","5","1","2","7","7","1") = "6"
    & skf21("7","1","5","1","3","1","1","1") = "6"
    & skf21("7","1","5","1","3","1","2","1") = "6"
    & skf21("7","1","5","1","3","1","3","1") = "6"
    & skf21("7","1","5","1","3","1","4","1") = "6"
    & skf21("7","1","5","1","3","1","5","1") = "6"
    & skf21("7","1","5","1","3","1","6","1") = "6"
    & skf21("7","1","5","1","3","1","7","1") = "6"
    & skf21("7","1","5","1","3","2","1","1") = "6"
    & skf21("7","1","5","1","3","2","2","1") = "6"
    & skf21("7","1","5","1","3","2","3","1") = "6"
    & skf21("7","1","5","1","3","2","4","1") = "6"
    & skf21("7","1","5","1","3","2","5","1") = "6"
    & skf21("7","1","5","1","3","2","6","1") = "6"
    & skf21("7","1","5","1","3","2","7","1") = "6"
    & skf21("7","1","5","1","3","3","1","1") = "6"
    & skf21("7","1","5","1","3","3","2","1") = "6"
    & skf21("7","1","5","1","3","3","3","1") = "6"
    & skf21("7","1","5","1","3","3","4","1") = "6"
    & skf21("7","1","5","1","3","3","5","1") = "6"
    & skf21("7","1","5","1","3","3","6","1") = "6"
    & skf21("7","1","5","1","3","3","7","1") = "6"
    & skf21("7","1","5","1","3","4","1","1") = "6"
    & skf21("7","1","5","1","3","4","2","1") = "6"
    & skf21("7","1","5","1","3","4","3","1") = "6"
    & skf21("7","1","5","1","3","4","4","1") = "6"
    & skf21("7","1","5","1","3","4","5","1") = "6"
    & skf21("7","1","5","1","3","4","6","1") = "6"
    & skf21("7","1","5","1","3","4","7","1") = "6"
    & skf21("7","1","5","1","3","5","1","1") = "6"
    & skf21("7","1","5","1","3","5","2","1") = "6"
    & skf21("7","1","5","1","3","5","3","1") = "6"
    & skf21("7","1","5","1","3","5","4","1") = "6"
    & skf21("7","1","5","1","3","5","5","1") = "6"
    & skf21("7","1","5","1","3","5","6","1") = "6"
    & skf21("7","1","5","1","3","5","7","1") = "6"
    & skf21("7","1","5","1","3","6","1","1") = "6"
    & skf21("7","1","5","1","3","6","2","1") = "6"
    & skf21("7","1","5","1","3","6","3","1") = "6"
    & skf21("7","1","5","1","3","6","4","1") = "6"
    & skf21("7","1","5","1","3","6","5","1") = "6"
    & skf21("7","1","5","1","3","6","6","1") = "6"
    & skf21("7","1","5","1","3","6","7","1") = "6"
    & skf21("7","1","5","1","3","7","1","1") = "6"
    & skf21("7","1","5","1","3","7","2","1") = "6"
    & skf21("7","1","5","1","3","7","3","1") = "6"
    & skf21("7","1","5","1","3","7","4","1") = "6"
    & skf21("7","1","5","1","3","7","5","1") = "6"
    & skf21("7","1","5","1","3","7","6","1") = "6"
    & skf21("7","1","5","1","3","7","7","1") = "6"
    & skf21("7","1","5","1","4","1","1","1") = "6"
    & skf21("7","1","5","1","4","1","2","1") = "6"
    & skf21("7","1","5","1","4","1","3","1") = "6"
    & skf21("7","1","5","1","4","1","4","1") = "6"
    & skf21("7","1","5","1","4","1","5","1") = "6"
    & skf21("7","1","5","1","4","1","6","1") = "6"
    & skf21("7","1","5","1","4","1","7","1") = "6"
    & skf21("7","1","5","1","4","2","1","1") = "6"
    & skf21("7","1","5","1","4","2","2","1") = "6"
    & skf21("7","1","5","1","4","2","3","1") = "6"
    & skf21("7","1","5","1","4","2","4","1") = "6"
    & skf21("7","1","5","1","4","2","5","1") = "6"
    & skf21("7","1","5","1","4","2","6","1") = "6"
    & skf21("7","1","5","1","4","2","7","1") = "6"
    & skf21("7","1","5","1","4","3","1","1") = "6"
    & skf21("7","1","5","1","4","3","2","1") = "6"
    & skf21("7","1","5","1","4","3","3","1") = "6"
    & skf21("7","1","5","1","4","3","4","1") = "6"
    & skf21("7","1","5","1","4","3","5","1") = "6"
    & skf21("7","1","5","1","4","3","6","1") = "6"
    & skf21("7","1","5","1","4","3","7","1") = "6"
    & skf21("7","1","5","1","4","4","1","1") = "6"
    & skf21("7","1","5","1","4","4","2","1") = "6"
    & skf21("7","1","5","1","4","4","3","1") = "6"
    & skf21("7","1","5","1","4","4","4","1") = "6"
    & skf21("7","1","5","1","4","4","5","1") = "6"
    & skf21("7","1","5","1","4","4","6","1") = "6"
    & skf21("7","1","5","1","4","4","7","1") = "6"
    & skf21("7","1","5","1","4","5","1","1") = "6"
    & skf21("7","1","5","1","4","5","2","1") = "6"
    & skf21("7","1","5","1","4","5","3","1") = "6"
    & skf21("7","1","5","1","4","5","4","1") = "6"
    & skf21("7","1","5","1","4","5","5","1") = "6"
    & skf21("7","1","5","1","4","5","6","1") = "6"
    & skf21("7","1","5","1","4","5","7","1") = "6"
    & skf21("7","1","5","1","4","6","1","1") = "6"
    & skf21("7","1","5","1","4","6","2","1") = "6"
    & skf21("7","1","5","1","4","6","3","1") = "6"
    & skf21("7","1","5","1","4","6","4","1") = "6"
    & skf21("7","1","5","1","4","6","5","1") = "6"
    & skf21("7","1","5","1","4","6","6","1") = "6"
    & skf21("7","1","5","1","4","6","7","1") = "6"
    & skf21("7","1","5","1","4","7","1","1") = "6"
    & skf21("7","1","5","1","4","7","2","1") = "6"
    & skf21("7","1","5","1","4","7","3","1") = "6"
    & skf21("7","1","5","1","4","7","4","1") = "6"
    & skf21("7","1","5","1","4","7","5","1") = "6"
    & skf21("7","1","5","1","4","7","6","1") = "6"
    & skf21("7","1","5","1","4","7","7","1") = "6"
    & skf21("7","1","5","1","5","1","1","1") = "6"
    & skf21("7","1","5","1","5","1","2","1") = "6"
    & skf21("7","1","5","1","5","1","3","1") = "6"
    & skf21("7","1","5","1","5","1","4","1") = "6"
    & skf21("7","1","5","1","5","1","5","1") = "6"
    & skf21("7","1","5","1","5","1","6","1") = "6"
    & skf21("7","1","5","1","5","1","7","1") = "6"
    & skf21("7","1","5","1","5","2","1","1") = "6"
    & skf21("7","1","5","1","5","2","2","1") = "6"
    & skf21("7","1","5","1","5","2","3","1") = "6"
    & skf21("7","1","5","1","5","2","4","1") = "6"
    & skf21("7","1","5","1","5","2","5","1") = "6"
    & skf21("7","1","5","1","5","2","6","1") = "6"
    & skf21("7","1","5","1","5","2","7","1") = "6"
    & skf21("7","1","5","1","5","3","1","1") = "6"
    & skf21("7","1","5","1","5","3","2","1") = "6"
    & skf21("7","1","5","1","5","3","3","1") = "6"
    & skf21("7","1","5","1","5","3","4","1") = "6"
    & skf21("7","1","5","1","5","3","5","1") = "6"
    & skf21("7","1","5","1","5","3","6","1") = "6"
    & skf21("7","1","5","1","5","3","7","1") = "6"
    & skf21("7","1","5","1","5","4","1","1") = "6"
    & skf21("7","1","5","1","5","4","2","1") = "6"
    & skf21("7","1","5","1","5","4","3","1") = "6"
    & skf21("7","1","5","1","5","4","4","1") = "6"
    & skf21("7","1","5","1","5","4","5","1") = "6"
    & skf21("7","1","5","1","5","4","6","1") = "6"
    & skf21("7","1","5","1","5","4","7","1") = "6"
    & skf21("7","1","5","1","5","5","1","1") = "6"
    & skf21("7","1","5","1","5","5","2","1") = "6"
    & skf21("7","1","5","1","5","5","3","1") = "6"
    & skf21("7","1","5","1","5","5","4","1") = "6"
    & skf21("7","1","5","1","5","5","5","1") = "6"
    & skf21("7","1","5","1","5","5","6","1") = "6"
    & skf21("7","1","5","1","5","5","7","1") = "6"
    & skf21("7","1","5","1","5","6","1","1") = "6"
    & skf21("7","1","5","1","5","6","2","1") = "6"
    & skf21("7","1","5","1","5","6","3","1") = "6"
    & skf21("7","1","5","1","5","6","4","1") = "6"
    & skf21("7","1","5","1","5","6","5","1") = "6"
    & skf21("7","1","5","1","5","6","6","1") = "6"
    & skf21("7","1","5","1","5","6","7","1") = "6"
    & skf21("7","1","5","1","5","7","1","1") = "6"
    & skf21("7","1","5","1","5","7","2","1") = "6"
    & skf21("7","1","5","1","5","7","3","1") = "6"
    & skf21("7","1","5","1","5","7","4","1") = "6"
    & skf21("7","1","5","1","5","7","5","1") = "6"
    & skf21("7","1","5","1","5","7","6","1") = "6"
    & skf21("7","1","5","1","5","7","7","1") = "6"
    & skf21("7","1","5","1","6","1","1","1") = "6"
    & skf21("7","1","5","1","6","1","2","1") = "6"
    & skf21("7","1","5","1","6","1","3","1") = "6"
    & skf21("7","1","5","1","6","1","4","1") = "6"
    & skf21("7","1","5","1","6","1","5","1") = "6"
    & skf21("7","1","5","1","6","1","6","1") = "6"
    & skf21("7","1","5","1","6","1","7","1") = "6"
    & skf21("7","1","5","1","6","2","1","1") = "6"
    & skf21("7","1","5","1","6","2","2","1") = "6"
    & skf21("7","1","5","1","6","2","3","1") = "6"
    & skf21("7","1","5","1","6","2","4","1") = "6"
    & skf21("7","1","5","1","6","2","5","1") = "6"
    & skf21("7","1","5","1","6","2","6","1") = "6"
    & skf21("7","1","5","1","6","2","7","1") = "6"
    & skf21("7","1","5","1","6","3","1","1") = "6"
    & skf21("7","1","5","1","6","3","2","1") = "6"
    & skf21("7","1","5","1","6","3","3","1") = "6"
    & skf21("7","1","5","1","6","3","4","1") = "6"
    & skf21("7","1","5","1","6","3","5","1") = "6"
    & skf21("7","1","5","1","6","3","6","1") = "6"
    & skf21("7","1","5","1","6","3","7","1") = "6"
    & skf21("7","1","5","1","6","4","1","1") = "6"
    & skf21("7","1","5","1","6","4","2","1") = "6"
    & skf21("7","1","5","1","6","4","3","1") = "6"
    & skf21("7","1","5","1","6","4","4","1") = "6"
    & skf21("7","1","5","1","6","4","5","1") = "6"
    & skf21("7","1","5","1","6","4","6","1") = "6"
    & skf21("7","1","5","1","6","4","7","1") = "6"
    & skf21("7","1","5","1","6","5","1","1") = "6"
    & skf21("7","1","5","1","6","5","2","1") = "6"
    & skf21("7","1","5","1","6","5","3","1") = "6"
    & skf21("7","1","5","1","6","5","4","1") = "6"
    & skf21("7","1","5","1","6","5","5","1") = "6"
    & skf21("7","1","5","1","6","5","6","1") = "6"
    & skf21("7","1","5","1","6","5","7","1") = "6"
    & skf21("7","1","5","1","6","6","1","1") = "6"
    & skf21("7","1","5","1","6","6","2","1") = "6"
    & skf21("7","1","5","1","6","6","3","1") = "6"
    & skf21("7","1","5","1","6","6","4","1") = "6"
    & skf21("7","1","5","1","6","6","5","1") = "6"
    & skf21("7","1","5","1","6","6","6","1") = "6"
    & skf21("7","1","5","1","6","6","7","1") = "6"
    & skf21("7","1","5","1","6","7","1","1") = "6"
    & skf21("7","1","5","1","6","7","2","1") = "6"
    & skf21("7","1","5","1","6","7","3","1") = "6"
    & skf21("7","1","5","1","6","7","4","1") = "6"
    & skf21("7","1","5","1","6","7","5","1") = "6"
    & skf21("7","1","5","1","6","7","6","1") = "6"
    & skf21("7","1","5","1","6","7","7","1") = "6"
    & skf21("7","1","5","1","7","1","1","1") = "6"
    & skf21("7","1","5","1","7","1","2","1") = "6"
    & skf21("7","1","5","1","7","1","3","1") = "6"
    & skf21("7","1","5","1","7","1","4","1") = "6"
    & skf21("7","1","5","1","7","1","5","1") = "6"
    & skf21("7","1","5","1","7","1","6","1") = "6"
    & skf21("7","1","5","1","7","1","7","1") = "6"
    & skf21("7","1","5","1","7","2","1","1") = "6"
    & skf21("7","1","5","1","7","2","2","1") = "6"
    & skf21("7","1","5","1","7","2","3","1") = "6"
    & skf21("7","1","5","1","7","2","4","1") = "6"
    & skf21("7","1","5","1","7","2","5","1") = "6"
    & skf21("7","1","5","1","7","2","6","1") = "6"
    & skf21("7","1","5","1","7","2","7","1") = "6"
    & skf21("7","1","5","1","7","3","1","1") = "6"
    & skf21("7","1","5","1","7","3","2","1") = "6"
    & skf21("7","1","5","1","7","3","3","1") = "6"
    & skf21("7","1","5","1","7","3","4","1") = "6"
    & skf21("7","1","5","1","7","3","5","1") = "6"
    & skf21("7","1","5","1","7","3","6","1") = "6"
    & skf21("7","1","5","1","7","3","7","1") = "6"
    & skf21("7","1","5","1","7","4","1","1") = "6"
    & skf21("7","1","5","1","7","4","2","1") = "6"
    & skf21("7","1","5","1","7","4","3","1") = "6"
    & skf21("7","1","5","1","7","4","4","1") = "6"
    & skf21("7","1","5","1","7","4","5","1") = "6"
    & skf21("7","1","5","1","7","4","6","1") = "6"
    & skf21("7","1","5","1","7","4","7","1") = "6"
    & skf21("7","1","5","1","7","5","1","1") = "6"
    & skf21("7","1","5","1","7","5","2","1") = "6"
    & skf21("7","1","5","1","7","5","3","1") = "6"
    & skf21("7","1","5","1","7","5","4","1") = "6"
    & skf21("7","1","5","1","7","5","5","1") = "6"
    & skf21("7","1","5","1","7","5","6","1") = "6"
    & skf21("7","1","5","1","7","5","7","1") = "6"
    & skf21("7","1","5","1","7","6","1","1") = "6"
    & skf21("7","1","5","1","7","6","2","1") = "6"
    & skf21("7","1","5","1","7","6","3","1") = "6"
    & skf21("7","1","5","1","7","6","4","1") = "6"
    & skf21("7","1","5","1","7","6","5","1") = "6"
    & skf21("7","1","5","1","7","6","6","1") = "6"
    & skf21("7","1","5","1","7","6","7","1") = "6"
    & skf21("7","1","5","1","7","7","1","1") = "6"
    & skf21("7","1","5","1","7","7","2","1") = "6"
    & skf21("7","1","5","1","7","7","3","1") = "6"
    & skf21("7","1","5","1","7","7","4","1") = "6"
    & skf21("7","1","5","1","7","7","5","1") = "6"
    & skf21("7","1","5","1","7","7","6","1") = "6"
    & skf21("7","1","5","1","7","7","7","1") = "6"
    & skf21("7","1","5","2","1","1","1","1") = "6"
    & skf21("7","1","5","2","1","1","2","1") = "6"
    & skf21("7","1","5","2","1","1","3","1") = "6"
    & skf21("7","1","5","2","1","1","4","1") = "6"
    & skf21("7","1","5","2","1","1","5","1") = "6"
    & skf21("7","1","5","2","1","1","6","1") = "6"
    & skf21("7","1","5","2","1","1","7","1") = "6"
    & skf21("7","1","5","2","1","2","1","1") = "6"
    & skf21("7","1","5","2","1","2","2","1") = "6"
    & skf21("7","1","5","2","1","2","3","1") = "6"
    & skf21("7","1","5","2","1","2","4","1") = "6"
    & skf21("7","1","5","2","1","2","5","1") = "6"
    & skf21("7","1","5","2","1","2","6","1") = "6"
    & skf21("7","1","5","2","1","2","7","1") = "6"
    & skf21("7","1","5","2","1","3","1","1") = "6"
    & skf21("7","1","5","2","1","3","2","1") = "6"
    & skf21("7","1","5","2","1","3","3","1") = "6"
    & skf21("7","1","5","2","1","3","4","1") = "6"
    & skf21("7","1","5","2","1","3","5","1") = "6"
    & skf21("7","1","5","2","1","3","6","1") = "6"
    & skf21("7","1","5","2","1","3","7","1") = "6"
    & skf21("7","1","5","2","1","4","1","1") = "6"
    & skf21("7","1","5","2","1","4","2","1") = "6"
    & skf21("7","1","5","2","1","4","3","1") = "6"
    & skf21("7","1","5","2","1","4","4","1") = "6"
    & skf21("7","1","5","2","1","4","5","1") = "6"
    & skf21("7","1","5","2","1","4","6","1") = "6"
    & skf21("7","1","5","2","1","4","7","1") = "6"
    & skf21("7","1","5","2","1","5","1","1") = "6"
    & skf21("7","1","5","2","1","5","2","1") = "6"
    & skf21("7","1","5","2","1","5","3","1") = "6"
    & skf21("7","1","5","2","1","5","4","1") = "6"
    & skf21("7","1","5","2","1","5","5","1") = "6"
    & skf21("7","1","5","2","1","5","6","1") = "6"
    & skf21("7","1","5","2","1","5","7","1") = "6"
    & skf21("7","1","5","2","1","6","1","1") = "6"
    & skf21("7","1","5","2","1","6","2","1") = "6"
    & skf21("7","1","5","2","1","6","3","1") = "6"
    & skf21("7","1","5","2","1","6","4","1") = "6"
    & skf21("7","1","5","2","1","6","5","1") = "6"
    & skf21("7","1","5","2","1","6","6","1") = "6"
    & skf21("7","1","5","2","1","6","7","1") = "6"
    & skf21("7","1","5","2","1","7","1","1") = "6"
    & skf21("7","1","5","2","1","7","2","1") = "6"
    & skf21("7","1","5","2","1","7","3","1") = "6"
    & skf21("7","1","5","2","1","7","4","1") = "6"
    & skf21("7","1","5","2","1","7","5","1") = "6"
    & skf21("7","1","5","2","1","7","6","1") = "6"
    & skf21("7","1","5","2","1","7","7","1") = "6"
    & skf21("7","1","5","2","2","1","1","1") = "6"
    & skf21("7","1","5","2","2","1","2","1") = "6"
    & skf21("7","1","5","2","2","1","3","1") = "6"
    & skf21("7","1","5","2","2","1","4","1") = "6"
    & skf21("7","1","5","2","2","1","5","1") = "6"
    & skf21("7","1","5","2","2","1","6","1") = "6"
    & skf21("7","1","5","2","2","1","7","1") = "6"
    & skf21("7","1","5","2","2","2","1","1") = "6"
    & skf21("7","1","5","2","2","2","2","1") = "6"
    & skf21("7","1","5","2","2","2","3","1") = "6"
    & skf21("7","1","5","2","2","2","4","1") = "6"
    & skf21("7","1","5","2","2","2","5","1") = "6"
    & skf21("7","1","5","2","2","2","6","1") = "6"
    & skf21("7","1","5","2","2","2","7","1") = "6"
    & skf21("7","1","5","2","2","3","1","1") = "6"
    & skf21("7","1","5","2","2","3","2","1") = "6"
    & skf21("7","1","5","2","2","3","3","1") = "6"
    & skf21("7","1","5","2","2","3","4","1") = "6"
    & skf21("7","1","5","2","2","3","5","1") = "6"
    & skf21("7","1","5","2","2","3","6","1") = "6"
    & skf21("7","1","5","2","2","3","7","1") = "6"
    & skf21("7","1","5","2","2","4","1","1") = "6"
    & skf21("7","1","5","2","2","4","2","1") = "6"
    & skf21("7","1","5","2","2","4","3","1") = "6"
    & skf21("7","1","5","2","2","4","4","1") = "6"
    & skf21("7","1","5","2","2","4","5","1") = "6"
    & skf21("7","1","5","2","2","4","6","1") = "6"
    & skf21("7","1","5","2","2","4","7","1") = "6"
    & skf21("7","1","5","2","2","5","1","1") = "6"
    & skf21("7","1","5","2","2","5","2","1") = "6"
    & skf21("7","1","5","2","2","5","3","1") = "6"
    & skf21("7","1","5","2","2","5","4","1") = "6"
    & skf21("7","1","5","2","2","5","5","1") = "6"
    & skf21("7","1","5","2","2","5","6","1") = "6"
    & skf21("7","1","5","2","2","5","7","1") = "6"
    & skf21("7","1","5","2","2","6","1","1") = "6"
    & skf21("7","1","5","2","2","6","2","1") = "6"
    & skf21("7","1","5","2","2","6","3","1") = "6"
    & skf21("7","1","5","2","2","6","4","1") = "6"
    & skf21("7","1","5","2","2","6","5","1") = "6"
    & skf21("7","1","5","2","2","6","6","1") = "6"
    & skf21("7","1","5","2","2","6","7","1") = "6"
    & skf21("7","1","5","2","2","7","1","1") = "6"
    & skf21("7","1","5","2","2","7","2","1") = "6"
    & skf21("7","1","5","2","2","7","3","1") = "6"
    & skf21("7","1","5","2","2","7","4","1") = "6"
    & skf21("7","1","5","2","2","7","5","1") = "6"
    & skf21("7","1","5","2","2","7","6","1") = "6"
    & skf21("7","1","5","2","2","7","7","1") = "6"
    & skf21("7","1","5","2","3","1","1","1") = "6"
    & skf21("7","1","5","2","3","1","2","1") = "6"
    & skf21("7","1","5","2","3","1","3","1") = "6"
    & skf21("7","1","5","2","3","1","4","1") = "6"
    & skf21("7","1","5","2","3","1","5","1") = "6"
    & skf21("7","1","5","2","3","1","6","1") = "6"
    & skf21("7","1","5","2","3","1","7","1") = "6"
    & skf21("7","1","5","2","3","2","1","1") = "6"
    & skf21("7","1","5","2","3","2","2","1") = "6"
    & skf21("7","1","5","2","3","2","3","1") = "6"
    & skf21("7","1","5","2","3","2","4","1") = "6"
    & skf21("7","1","5","2","3","2","5","1") = "6"
    & skf21("7","1","5","2","3","2","6","1") = "6"
    & skf21("7","1","5","2","3","2","7","1") = "6"
    & skf21("7","1","5","2","3","3","1","1") = "6"
    & skf21("7","1","5","2","3","3","2","1") = "6"
    & skf21("7","1","5","2","3","3","3","1") = "6"
    & skf21("7","1","5","2","3","3","4","1") = "6"
    & skf21("7","1","5","2","3","3","5","1") = "6"
    & skf21("7","1","5","2","3","3","6","1") = "6"
    & skf21("7","1","5","2","3","3","7","1") = "6"
    & skf21("7","1","5","2","3","4","1","1") = "6"
    & skf21("7","1","5","2","3","4","2","1") = "6"
    & skf21("7","1","5","2","3","4","3","1") = "6"
    & skf21("7","1","5","2","3","4","4","1") = "6"
    & skf21("7","1","5","2","3","4","5","1") = "6"
    & skf21("7","1","5","2","3","4","6","1") = "6"
    & skf21("7","1","5","2","3","4","7","1") = "6"
    & skf21("7","1","5","2","3","5","1","1") = "6"
    & skf21("7","1","5","2","3","5","2","1") = "6"
    & skf21("7","1","5","2","3","5","3","1") = "6"
    & skf21("7","1","5","2","3","5","4","1") = "6"
    & skf21("7","1","5","2","3","5","5","1") = "6"
    & skf21("7","1","5","2","3","5","6","1") = "6"
    & skf21("7","1","5","2","3","5","7","1") = "6"
    & skf21("7","1","5","2","3","6","1","1") = "6"
    & skf21("7","1","5","2","3","6","2","1") = "6"
    & skf21("7","1","5","2","3","6","3","1") = "6"
    & skf21("7","1","5","2","3","6","4","1") = "6"
    & skf21("7","1","5","2","3","6","5","1") = "6"
    & skf21("7","1","5","2","3","6","6","1") = "6"
    & skf21("7","1","5","2","3","6","7","1") = "6"
    & skf21("7","1","5","2","3","7","1","1") = "6"
    & skf21("7","1","5","2","3","7","2","1") = "6"
    & skf21("7","1","5","2","3","7","3","1") = "6"
    & skf21("7","1","5","2","3","7","4","1") = "6"
    & skf21("7","1","5","2","3","7","5","1") = "6"
    & skf21("7","1","5","2","3","7","6","1") = "6"
    & skf21("7","1","5","2","3","7","7","1") = "6"
    & skf21("7","1","5","2","4","1","1","1") = "6"
    & skf21("7","1","5","2","4","1","2","1") = "6"
    & skf21("7","1","5","2","4","1","3","1") = "6"
    & skf21("7","1","5","2","4","1","4","1") = "6"
    & skf21("7","1","5","2","4","1","5","1") = "6"
    & skf21("7","1","5","2","4","1","6","1") = "6"
    & skf21("7","1","5","2","4","1","7","1") = "6"
    & skf21("7","1","5","2","4","2","1","1") = "6"
    & skf21("7","1","5","2","4","2","2","1") = "6"
    & skf21("7","1","5","2","4","2","3","1") = "6"
    & skf21("7","1","5","2","4","2","4","1") = "6"
    & skf21("7","1","5","2","4","2","5","1") = "6"
    & skf21("7","1","5","2","4","2","6","1") = "6"
    & skf21("7","1","5","2","4","2","7","1") = "6"
    & skf21("7","1","5","2","4","3","1","1") = "6"
    & skf21("7","1","5","2","4","3","2","1") = "6"
    & skf21("7","1","5","2","4","3","3","1") = "6"
    & skf21("7","1","5","2","4","3","4","1") = "6"
    & skf21("7","1","5","2","4","3","5","1") = "6"
    & skf21("7","1","5","2","4","3","6","1") = "6"
    & skf21("7","1","5","2","4","3","7","1") = "6"
    & skf21("7","1","5","2","4","4","1","1") = "6"
    & skf21("7","1","5","2","4","4","2","1") = "6"
    & skf21("7","1","5","2","4","4","3","1") = "6"
    & skf21("7","1","5","2","4","4","4","1") = "6"
    & skf21("7","1","5","2","4","4","5","1") = "6"
    & skf21("7","1","5","2","4","4","6","1") = "6"
    & skf21("7","1","5","2","4","4","7","1") = "6"
    & skf21("7","1","5","2","4","5","1","1") = "6"
    & skf21("7","1","5","2","4","5","2","1") = "6"
    & skf21("7","1","5","2","4","5","3","1") = "6"
    & skf21("7","1","5","2","4","5","4","1") = "6"
    & skf21("7","1","5","2","4","5","5","1") = "6"
    & skf21("7","1","5","2","4","5","6","1") = "6"
    & skf21("7","1","5","2","4","5","7","1") = "6"
    & skf21("7","1","5","2","4","6","1","1") = "6"
    & skf21("7","1","5","2","4","6","2","1") = "6"
    & skf21("7","1","5","2","4","6","3","1") = "6"
    & skf21("7","1","5","2","4","6","4","1") = "6"
    & skf21("7","1","5","2","4","6","5","1") = "6"
    & skf21("7","1","5","2","4","6","6","1") = "6"
    & skf21("7","1","5","2","4","6","7","1") = "6"
    & skf21("7","1","5","2","4","7","1","1") = "6"
    & skf21("7","1","5","2","4","7","2","1") = "6"
    & skf21("7","1","5","2","4","7","3","1") = "6"
    & skf21("7","1","5","2","4","7","4","1") = "6"
    & skf21("7","1","5","2","4","7","5","1") = "6"
    & skf21("7","1","5","2","4","7","6","1") = "6"
    & skf21("7","1","5","2","4","7","7","1") = "6"
    & skf21("7","1","5","2","5","1","1","1") = "6"
    & skf21("7","1","5","2","5","1","2","1") = "6"
    & skf21("7","1","5","2","5","1","3","1") = "6"
    & skf21("7","1","5","2","5","1","4","1") = "6"
    & skf21("7","1","5","2","5","1","5","1") = "6"
    & skf21("7","1","5","2","5","1","6","1") = "6"
    & skf21("7","1","5","2","5","1","7","1") = "6"
    & skf21("7","1","5","2","5","2","1","1") = "6"
    & skf21("7","1","5","2","5","2","2","1") = "6"
    & skf21("7","1","5","2","5","2","3","1") = "6"
    & skf21("7","1","5","2","5","2","4","1") = "6"
    & skf21("7","1","5","2","5","2","5","1") = "6"
    & skf21("7","1","5","2","5","2","6","1") = "6"
    & skf21("7","1","5","2","5","2","7","1") = "6"
    & skf21("7","1","5","2","5","3","1","1") = "6"
    & skf21("7","1","5","2","5","3","2","1") = "6"
    & skf21("7","1","5","2","5","3","3","1") = "6"
    & skf21("7","1","5","2","5","3","4","1") = "6"
    & skf21("7","1","5","2","5","3","5","1") = "6"
    & skf21("7","1","5","2","5","3","6","1") = "6"
    & skf21("7","1","5","2","5","3","7","1") = "6"
    & skf21("7","1","5","2","5","4","1","1") = "6"
    & skf21("7","1","5","2","5","4","2","1") = "6"
    & skf21("7","1","5","2","5","4","3","1") = "6"
    & skf21("7","1","5","2","5","4","4","1") = "6"
    & skf21("7","1","5","2","5","4","5","1") = "6"
    & skf21("7","1","5","2","5","4","6","1") = "6"
    & skf21("7","1","5","2","5","4","7","1") = "6"
    & skf21("7","1","5","2","5","5","1","1") = "6"
    & skf21("7","1","5","2","5","5","2","1") = "6"
    & skf21("7","1","5","2","5","5","3","1") = "6"
    & skf21("7","1","5","2","5","5","4","1") = "6"
    & skf21("7","1","5","2","5","5","5","1") = "6"
    & skf21("7","1","5","2","5","5","6","1") = "6"
    & skf21("7","1","5","2","5","5","7","1") = "6"
    & skf21("7","1","5","2","5","6","1","1") = "6"
    & skf21("7","1","5","2","5","6","2","1") = "6"
    & skf21("7","1","5","2","5","6","3","1") = "6"
    & skf21("7","1","5","2","5","6","4","1") = "6"
    & skf21("7","1","5","2","5","6","5","1") = "6"
    & skf21("7","1","5","2","5","6","6","1") = "6"
    & skf21("7","1","5","2","5","6","7","1") = "6"
    & skf21("7","1","5","2","5","7","1","1") = "6"
    & skf21("7","1","5","2","5","7","2","1") = "6"
    & skf21("7","1","5","2","5","7","3","1") = "6"
    & skf21("7","1","5","2","5","7","4","1") = "6"
    & skf21("7","1","5","2","5","7","5","1") = "6"
    & skf21("7","1","5","2","5","7","6","1") = "6"
    & skf21("7","1","5","2","5","7","7","1") = "6"
    & skf21("7","1","5","2","6","1","1","1") = "6"
    & skf21("7","1","5","2","6","1","2","1") = "6"
    & skf21("7","1","5","2","6","1","3","1") = "6"
    & skf21("7","1","5","2","6","1","4","1") = "6"
    & skf21("7","1","5","2","6","1","5","1") = "6"
    & skf21("7","1","5","2","6","1","6","1") = "6"
    & skf21("7","1","5","2","6","1","7","1") = "6"
    & skf21("7","1","5","2","6","2","1","1") = "6"
    & skf21("7","1","5","2","6","2","2","1") = "6"
    & skf21("7","1","5","2","6","2","3","1") = "6"
    & skf21("7","1","5","2","6","2","4","1") = "6"
    & skf21("7","1","5","2","6","2","5","1") = "6"
    & skf21("7","1","5","2","6","2","6","1") = "6"
    & skf21("7","1","5","2","6","2","7","1") = "6"
    & skf21("7","1","5","2","6","3","1","1") = "6"
    & skf21("7","1","5","2","6","3","2","1") = "6"
    & skf21("7","1","5","2","6","3","3","1") = "6"
    & skf21("7","1","5","2","6","3","4","1") = "6"
    & skf21("7","1","5","2","6","3","5","1") = "6"
    & skf21("7","1","5","2","6","3","6","1") = "6"
    & skf21("7","1","5","2","6","3","7","1") = "6"
    & skf21("7","1","5","2","6","4","1","1") = "6"
    & skf21("7","1","5","2","6","4","2","1") = "6"
    & skf21("7","1","5","2","6","4","3","1") = "6"
    & skf21("7","1","5","2","6","4","4","1") = "6"
    & skf21("7","1","5","2","6","4","5","1") = "6"
    & skf21("7","1","5","2","6","4","6","1") = "6"
    & skf21("7","1","5","2","6","4","7","1") = "6"
    & skf21("7","1","5","2","6","5","1","1") = "6"
    & skf21("7","1","5","2","6","5","2","1") = "6"
    & skf21("7","1","5","2","6","5","3","1") = "6"
    & skf21("7","1","5","2","6","5","4","1") = "6"
    & skf21("7","1","5","2","6","5","5","1") = "6"
    & skf21("7","1","5","2","6","5","6","1") = "6"
    & skf21("7","1","5","2","6","5","7","1") = "6"
    & skf21("7","1","5","2","6","6","1","1") = "6"
    & skf21("7","1","5","2","6","6","2","1") = "6"
    & skf21("7","1","5","2","6","6","3","1") = "6"
    & skf21("7","1","5","2","6","6","4","1") = "6"
    & skf21("7","1","5","2","6","6","5","1") = "6"
    & skf21("7","1","5","2","6","6","6","1") = "6"
    & skf21("7","1","5","2","6","6","7","1") = "6"
    & skf21("7","1","5","2","6","7","1","1") = "6"
    & skf21("7","1","5","2","6","7","2","1") = "6"
    & skf21("7","1","5","2","6","7","3","1") = "6"
    & skf21("7","1","5","2","6","7","4","1") = "6"
    & skf21("7","1","5","2","6","7","5","1") = "6"
    & skf21("7","1","5","2","6","7","6","1") = "6"
    & skf21("7","1","5","2","6","7","7","1") = "6"
    & skf21("7","1","5","2","7","1","1","1") = "6"
    & skf21("7","1","5","2","7","1","2","1") = "6"
    & skf21("7","1","5","2","7","1","3","1") = "6"
    & skf21("7","1","5","2","7","1","4","1") = "6"
    & skf21("7","1","5","2","7","1","5","1") = "6"
    & skf21("7","1","5","2","7","1","6","1") = "6"
    & skf21("7","1","5","2","7","1","7","1") = "6"
    & skf21("7","1","5","2","7","2","1","1") = "6"
    & skf21("7","1","5","2","7","2","2","1") = "6"
    & skf21("7","1","5","2","7","2","3","1") = "6"
    & skf21("7","1","5","2","7","2","4","1") = "6"
    & skf21("7","1","5","2","7","2","5","1") = "6"
    & skf21("7","1","5","2","7","2","6","1") = "6"
    & skf21("7","1","5","2","7","2","7","1") = "6"
    & skf21("7","1","5","2","7","3","1","1") = "6"
    & skf21("7","1","5","2","7","3","2","1") = "6"
    & skf21("7","1","5","2","7","3","3","1") = "6"
    & skf21("7","1","5","2","7","3","4","1") = "6"
    & skf21("7","1","5","2","7","3","5","1") = "6"
    & skf21("7","1","5","2","7","3","6","1") = "6"
    & skf21("7","1","5","2","7","3","7","1") = "6"
    & skf21("7","1","5","2","7","4","1","1") = "6"
    & skf21("7","1","5","2","7","4","2","1") = "6"
    & skf21("7","1","5","2","7","4","3","1") = "6"
    & skf21("7","1","5","2","7","4","4","1") = "6"
    & skf21("7","1","5","2","7","4","5","1") = "6"
    & skf21("7","1","5","2","7","4","6","1") = "6"
    & skf21("7","1","5","2","7","4","7","1") = "6"
    & skf21("7","1","5","2","7","5","1","1") = "6"
    & skf21("7","1","5","2","7","5","2","1") = "6"
    & skf21("7","1","5","2","7","5","3","1") = "6"
    & skf21("7","1","5","2","7","5","4","1") = "6"
    & skf21("7","1","5","2","7","5","5","1") = "6"
    & skf21("7","1","5","2","7","5","6","1") = "6"
    & skf21("7","1","5","2","7","5","7","1") = "6"
    & skf21("7","1","5","2","7","6","1","1") = "6"
    & skf21("7","1","5","2","7","6","2","1") = "6"
    & skf21("7","1","5","2","7","6","3","1") = "6"
    & skf21("7","1","5","2","7","6","4","1") = "6"
    & skf21("7","1","5","2","7","6","5","1") = "6"
    & skf21("7","1","5","2","7","6","6","1") = "6"
    & skf21("7","1","5","2","7","6","7","1") = "6"
    & skf21("7","1","5","2","7","7","1","1") = "6"
    & skf21("7","1","5","2","7","7","2","1") = "6"
    & skf21("7","1","5","2","7","7","3","1") = "6"
    & skf21("7","1","5","2","7","7","4","1") = "6"
    & skf21("7","1","5","2","7","7","5","1") = "6"
    & skf21("7","1","5","2","7","7","6","1") = "6"
    & skf21("7","1","5","2","7","7","7","1") = "6"
    & skf21("7","1","5","3","1","1","1","1") = "6"
    & skf21("7","1","5","3","1","1","2","1") = "6"
    & skf21("7","1","5","3","1","1","3","1") = "6"
    & skf21("7","1","5","3","1","1","4","1") = "6"
    & skf21("7","1","5","3","1","1","5","1") = "6"
    & skf21("7","1","5","3","1","1","6","1") = "6"
    & skf21("7","1","5","3","1","1","7","1") = "6"
    & skf21("7","1","5","3","1","2","1","1") = "6"
    & skf21("7","1","5","3","1","2","2","1") = "6"
    & skf21("7","1","5","3","1","2","3","1") = "6"
    & skf21("7","1","5","3","1","2","4","1") = "6"
    & skf21("7","1","5","3","1","2","5","1") = "6"
    & skf21("7","1","5","3","1","2","6","1") = "6"
    & skf21("7","1","5","3","1","2","7","1") = "6"
    & skf21("7","1","5","3","1","3","1","1") = "6"
    & skf21("7","1","5","3","1","3","2","1") = "6"
    & skf21("7","1","5","3","1","3","3","1") = "6"
    & skf21("7","1","5","3","1","3","4","1") = "6"
    & skf21("7","1","5","3","1","3","5","1") = "6"
    & skf21("7","1","5","3","1","3","6","1") = "6"
    & skf21("7","1","5","3","1","3","7","1") = "6"
    & skf21("7","1","5","3","1","4","1","1") = "6"
    & skf21("7","1","5","3","1","4","2","1") = "6"
    & skf21("7","1","5","3","1","4","3","1") = "6"
    & skf21("7","1","5","3","1","4","4","1") = "6"
    & skf21("7","1","5","3","1","4","5","1") = "6"
    & skf21("7","1","5","3","1","4","6","1") = "6"
    & skf21("7","1","5","3","1","4","7","1") = "6"
    & skf21("7","1","5","3","1","5","1","1") = "6"
    & skf21("7","1","5","3","1","5","2","1") = "6"
    & skf21("7","1","5","3","1","5","3","1") = "6"
    & skf21("7","1","5","3","1","5","4","1") = "6"
    & skf21("7","1","5","3","1","5","5","1") = "6"
    & skf21("7","1","5","3","1","5","6","1") = "6"
    & skf21("7","1","5","3","1","5","7","1") = "6"
    & skf21("7","1","5","3","1","6","1","1") = "6"
    & skf21("7","1","5","3","1","6","2","1") = "6"
    & skf21("7","1","5","3","1","6","3","1") = "6"
    & skf21("7","1","5","3","1","6","4","1") = "6"
    & skf21("7","1","5","3","1","6","5","1") = "6"
    & skf21("7","1","5","3","1","6","6","1") = "6"
    & skf21("7","1","5","3","1","6","7","1") = "6"
    & skf21("7","1","5","3","1","7","1","1") = "6"
    & skf21("7","1","5","3","1","7","2","1") = "6"
    & skf21("7","1","5","3","1","7","3","1") = "6"
    & skf21("7","1","5","3","1","7","4","1") = "6"
    & skf21("7","1","5","3","1","7","5","1") = "6"
    & skf21("7","1","5","3","1","7","6","1") = "6"
    & skf21("7","1","5","3","1","7","7","1") = "6"
    & skf21("7","1","5","3","2","1","1","1") = "6"
    & skf21("7","1","5","3","2","1","2","1") = "6"
    & skf21("7","1","5","3","2","1","3","1") = "6"
    & skf21("7","1","5","3","2","1","4","1") = "6"
    & skf21("7","1","5","3","2","1","5","1") = "6"
    & skf21("7","1","5","3","2","1","6","1") = "6"
    & skf21("7","1","5","3","2","1","7","1") = "6"
    & skf21("7","1","5","3","2","2","1","1") = "6"
    & skf21("7","1","5","3","2","2","2","1") = "6"
    & skf21("7","1","5","3","2","2","3","1") = "6"
    & skf21("7","1","5","3","2","2","4","1") = "6"
    & skf21("7","1","5","3","2","2","5","1") = "6"
    & skf21("7","1","5","3","2","2","6","1") = "6"
    & skf21("7","1","5","3","2","2","7","1") = "6"
    & skf21("7","1","5","3","2","3","1","1") = "6"
    & skf21("7","1","5","3","2","3","2","1") = "6"
    & skf21("7","1","5","3","2","3","3","1") = "6"
    & skf21("7","1","5","3","2","3","4","1") = "6"
    & skf21("7","1","5","3","2","3","5","1") = "6"
    & skf21("7","1","5","3","2","3","6","1") = "6"
    & skf21("7","1","5","3","2","3","7","1") = "6"
    & skf21("7","1","5","3","2","4","1","1") = "6"
    & skf21("7","1","5","3","2","4","2","1") = "6"
    & skf21("7","1","5","3","2","4","3","1") = "6"
    & skf21("7","1","5","3","2","4","4","1") = "6"
    & skf21("7","1","5","3","2","4","5","1") = "6"
    & skf21("7","1","5","3","2","4","6","1") = "6"
    & skf21("7","1","5","3","2","4","7","1") = "6"
    & skf21("7","1","5","3","2","5","1","1") = "6"
    & skf21("7","1","5","3","2","5","2","1") = "6"
    & skf21("7","1","5","3","2","5","3","1") = "6"
    & skf21("7","1","5","3","2","5","4","1") = "6"
    & skf21("7","1","5","3","2","5","5","1") = "6"
    & skf21("7","1","5","3","2","5","6","1") = "6"
    & skf21("7","1","5","3","2","5","7","1") = "6"
    & skf21("7","1","5","3","2","6","1","1") = "6"
    & skf21("7","1","5","3","2","6","2","1") = "6"
    & skf21("7","1","5","3","2","6","3","1") = "6"
    & skf21("7","1","5","3","2","6","4","1") = "6"
    & skf21("7","1","5","3","2","6","5","1") = "6"
    & skf21("7","1","5","3","2","6","6","1") = "6"
    & skf21("7","1","5","3","2","6","7","1") = "6"
    & skf21("7","1","5","3","2","7","1","1") = "6"
    & skf21("7","1","5","3","2","7","2","1") = "6"
    & skf21("7","1","5","3","2","7","3","1") = "6"
    & skf21("7","1","5","3","2","7","4","1") = "6"
    & skf21("7","1","5","3","2","7","5","1") = "6"
    & skf21("7","1","5","3","2","7","6","1") = "6"
    & skf21("7","1","5","3","2","7","7","1") = "6"
    & skf21("7","1","5","3","3","1","1","1") = "6"
    & skf21("7","1","5","3","3","1","2","1") = "6"
    & skf21("7","1","5","3","3","1","3","1") = "6"
    & skf21("7","1","5","3","3","1","4","1") = "6"
    & skf21("7","1","5","3","3","1","5","1") = "6"
    & skf21("7","1","5","3","3","1","6","1") = "6"
    & skf21("7","1","5","3","3","1","7","1") = "6"
    & skf21("7","1","5","3","3","2","1","1") = "6"
    & skf21("7","1","5","3","3","2","2","1") = "6"
    & skf21("7","1","5","3","3","2","3","1") = "6"
    & skf21("7","1","5","3","3","2","4","1") = "6"
    & skf21("7","1","5","3","3","2","5","1") = "6"
    & skf21("7","1","5","3","3","2","6","1") = "6"
    & skf21("7","1","5","3","3","2","7","1") = "6"
    & skf21("7","1","5","3","3","3","1","1") = "6"
    & skf21("7","1","5","3","3","3","2","1") = "6"
    & skf21("7","1","5","3","3","3","3","1") = "6"
    & skf21("7","1","5","3","3","3","4","1") = "6"
    & skf21("7","1","5","3","3","3","5","1") = "6"
    & skf21("7","1","5","3","3","3","6","1") = "6"
    & skf21("7","1","5","3","3","3","7","1") = "6"
    & skf21("7","1","5","3","3","4","1","1") = "6"
    & skf21("7","1","5","3","3","4","2","1") = "6"
    & skf21("7","1","5","3","3","4","3","1") = "6"
    & skf21("7","1","5","3","3","4","4","1") = "6"
    & skf21("7","1","5","3","3","4","5","1") = "6"
    & skf21("7","1","5","3","3","4","6","1") = "6"
    & skf21("7","1","5","3","3","4","7","1") = "6"
    & skf21("7","1","5","3","3","5","1","1") = "6"
    & skf21("7","1","5","3","3","5","2","1") = "6"
    & skf21("7","1","5","3","3","5","3","1") = "6"
    & skf21("7","1","5","3","3","5","4","1") = "6"
    & skf21("7","1","5","3","3","5","5","1") = "6"
    & skf21("7","1","5","3","3","5","6","1") = "6"
    & skf21("7","1","5","3","3","5","7","1") = "6"
    & skf21("7","1","5","3","3","6","1","1") = "6"
    & skf21("7","1","5","3","3","6","2","1") = "6"
    & skf21("7","1","5","3","3","6","3","1") = "6"
    & skf21("7","1","5","3","3","6","4","1") = "6"
    & skf21("7","1","5","3","3","6","5","1") = "6"
    & skf21("7","1","5","3","3","6","6","1") = "6"
    & skf21("7","1","5","3","3","6","7","1") = "6"
    & skf21("7","1","5","3","3","7","1","1") = "6"
    & skf21("7","1","5","3","3","7","2","1") = "6"
    & skf21("7","1","5","3","3","7","3","1") = "6"
    & skf21("7","1","5","3","3","7","4","1") = "6"
    & skf21("7","1","5","3","3","7","5","1") = "6"
    & skf21("7","1","5","3","3","7","6","1") = "6"
    & skf21("7","1","5","3","3","7","7","1") = "6"
    & skf21("7","1","5","3","4","1","1","1") = "6"
    & skf21("7","1","5","3","4","1","2","1") = "6"
    & skf21("7","1","5","3","4","1","3","1") = "6"
    & skf21("7","1","5","3","4","1","4","1") = "6"
    & skf21("7","1","5","3","4","1","5","1") = "6"
    & skf21("7","1","5","3","4","1","6","1") = "6"
    & skf21("7","1","5","3","4","1","7","1") = "6"
    & skf21("7","1","5","3","4","2","1","1") = "6"
    & skf21("7","1","5","3","4","2","2","1") = "6"
    & skf21("7","1","5","3","4","2","3","1") = "6"
    & skf21("7","1","5","3","4","2","4","1") = "6"
    & skf21("7","1","5","3","4","2","5","1") = "6"
    & skf21("7","1","5","3","4","2","6","1") = "6"
    & skf21("7","1","5","3","4","2","7","1") = "6"
    & skf21("7","1","5","3","4","3","1","1") = "6"
    & skf21("7","1","5","3","4","3","2","1") = "6"
    & skf21("7","1","5","3","4","3","3","1") = "6"
    & skf21("7","1","5","3","4","3","4","1") = "6"
    & skf21("7","1","5","3","4","3","5","1") = "6"
    & skf21("7","1","5","3","4","3","6","1") = "6"
    & skf21("7","1","5","3","4","3","7","1") = "6"
    & skf21("7","1","5","3","4","4","1","1") = "6"
    & skf21("7","1","5","3","4","4","2","1") = "6"
    & skf21("7","1","5","3","4","4","3","1") = "6"
    & skf21("7","1","5","3","4","4","4","1") = "6"
    & skf21("7","1","5","3","4","4","5","1") = "6"
    & skf21("7","1","5","3","4","4","6","1") = "6"
    & skf21("7","1","5","3","4","4","7","1") = "6"
    & skf21("7","1","5","3","4","5","1","1") = "6"
    & skf21("7","1","5","3","4","5","2","1") = "6"
    & skf21("7","1","5","3","4","5","3","1") = "6"
    & skf21("7","1","5","3","4","5","4","1") = "6"
    & skf21("7","1","5","3","4","5","5","1") = "6"
    & skf21("7","1","5","3","4","5","6","1") = "6"
    & skf21("7","1","5","3","4","5","7","1") = "6"
    & skf21("7","1","5","3","4","6","1","1") = "6"
    & skf21("7","1","5","3","4","6","2","1") = "6"
    & skf21("7","1","5","3","4","6","3","1") = "6"
    & skf21("7","1","5","3","4","6","4","1") = "6"
    & skf21("7","1","5","3","4","6","5","1") = "6"
    & skf21("7","1","5","3","4","6","6","1") = "6"
    & skf21("7","1","5","3","4","6","7","1") = "6"
    & skf21("7","1","5","3","4","7","1","1") = "6"
    & skf21("7","1","5","3","4","7","2","1") = "6"
    & skf21("7","1","5","3","4","7","3","1") = "6"
    & skf21("7","1","5","3","4","7","4","1") = "6"
    & skf21("7","1","5","3","4","7","5","1") = "6"
    & skf21("7","1","5","3","4","7","6","1") = "6"
    & skf21("7","1","5","3","4","7","7","1") = "6"
    & skf21("7","1","5","3","5","1","1","1") = "6"
    & skf21("7","1","5","3","5","1","2","1") = "6"
    & skf21("7","1","5","3","5","1","3","1") = "6"
    & skf21("7","1","5","3","5","1","4","1") = "6"
    & skf21("7","1","5","3","5","1","5","1") = "6"
    & skf21("7","1","5","3","5","1","6","1") = "6"
    & skf21("7","1","5","3","5","1","7","1") = "6"
    & skf21("7","1","5","3","5","2","1","1") = "6"
    & skf21("7","1","5","3","5","2","2","1") = "6"
    & skf21("7","1","5","3","5","2","3","1") = "6"
    & skf21("7","1","5","3","5","2","4","1") = "6"
    & skf21("7","1","5","3","5","2","5","1") = "6"
    & skf21("7","1","5","3","5","2","6","1") = "6"
    & skf21("7","1","5","3","5","2","7","1") = "6"
    & skf21("7","1","5","3","5","3","1","1") = "6"
    & skf21("7","1","5","3","5","3","2","1") = "6"
    & skf21("7","1","5","3","5","3","3","1") = "6"
    & skf21("7","1","5","3","5","3","4","1") = "6"
    & skf21("7","1","5","3","5","3","5","1") = "6"
    & skf21("7","1","5","3","5","3","6","1") = "6"
    & skf21("7","1","5","3","5","3","7","1") = "6"
    & skf21("7","1","5","3","5","4","1","1") = "6"
    & skf21("7","1","5","3","5","4","2","1") = "6"
    & skf21("7","1","5","3","5","4","3","1") = "6"
    & skf21("7","1","5","3","5","4","4","1") = "6"
    & skf21("7","1","5","3","5","4","5","1") = "6"
    & skf21("7","1","5","3","5","4","6","1") = "6"
    & skf21("7","1","5","3","5","4","7","1") = "6"
    & skf21("7","1","5","3","5","5","1","1") = "6"
    & skf21("7","1","5","3","5","5","2","1") = "6"
    & skf21("7","1","5","3","5","5","3","1") = "6"
    & skf21("7","1","5","3","5","5","4","1") = "6"
    & skf21("7","1","5","3","5","5","5","1") = "6"
    & skf21("7","1","5","3","5","5","6","1") = "6"
    & skf21("7","1","5","3","5","5","7","1") = "6"
    & skf21("7","1","5","3","5","6","1","1") = "6"
    & skf21("7","1","5","3","5","6","2","1") = "6"
    & skf21("7","1","5","3","5","6","3","1") = "6"
    & skf21("7","1","5","3","5","6","4","1") = "6"
    & skf21("7","1","5","3","5","6","5","1") = "6"
    & skf21("7","1","5","3","5","6","6","1") = "6"
    & skf21("7","1","5","3","5","6","7","1") = "6"
    & skf21("7","1","5","3","5","7","1","1") = "6"
    & skf21("7","1","5","3","5","7","2","1") = "6"
    & skf21("7","1","5","3","5","7","3","1") = "6"
    & skf21("7","1","5","3","5","7","4","1") = "6"
    & skf21("7","1","5","3","5","7","5","1") = "6"
    & skf21("7","1","5","3","5","7","6","1") = "6"
    & skf21("7","1","5","3","5","7","7","1") = "6"
    & skf21("7","1","5","3","6","1","1","1") = "6"
    & skf21("7","1","5","3","6","1","2","1") = "6"
    & skf21("7","1","5","3","6","1","3","1") = "6"
    & skf21("7","1","5","3","6","1","4","1") = "6"
    & skf21("7","1","5","3","6","1","5","1") = "6"
    & skf21("7","1","5","3","6","1","6","1") = "6"
    & skf21("7","1","5","3","6","1","7","1") = "6"
    & skf21("7","1","5","3","6","2","1","1") = "6"
    & skf21("7","1","5","3","6","2","2","1") = "6"
    & skf21("7","1","5","3","6","2","3","1") = "6"
    & skf21("7","1","5","3","6","2","4","1") = "6"
    & skf21("7","1","5","3","6","2","5","1") = "6"
    & skf21("7","1","5","3","6","2","6","1") = "6"
    & skf21("7","1","5","3","6","2","7","1") = "6"
    & skf21("7","1","5","3","6","3","1","1") = "6"
    & skf21("7","1","5","3","6","3","2","1") = "6"
    & skf21("7","1","5","3","6","3","3","1") = "6"
    & skf21("7","1","5","3","6","3","4","1") = "6"
    & skf21("7","1","5","3","6","3","5","1") = "6"
    & skf21("7","1","5","3","6","3","6","1") = "6"
    & skf21("7","1","5","3","6","3","7","1") = "6"
    & skf21("7","1","5","3","6","4","1","1") = "6"
    & skf21("7","1","5","3","6","4","2","1") = "6"
    & skf21("7","1","5","3","6","4","3","1") = "6"
    & skf21("7","1","5","3","6","4","4","1") = "6"
    & skf21("7","1","5","3","6","4","5","1") = "6"
    & skf21("7","1","5","3","6","4","6","1") = "6"
    & skf21("7","1","5","3","6","4","7","1") = "6"
    & skf21("7","1","5","3","6","5","1","1") = "6"
    & skf21("7","1","5","3","6","5","2","1") = "6"
    & skf21("7","1","5","3","6","5","3","1") = "6"
    & skf21("7","1","5","3","6","5","4","1") = "6"
    & skf21("7","1","5","3","6","5","5","1") = "6"
    & skf21("7","1","5","3","6","5","6","1") = "6"
    & skf21("7","1","5","3","6","5","7","1") = "6"
    & skf21("7","1","5","3","6","6","1","1") = "6"
    & skf21("7","1","5","3","6","6","2","1") = "6"
    & skf21("7","1","5","3","6","6","3","1") = "6"
    & skf21("7","1","5","3","6","6","4","1") = "6"
    & skf21("7","1","5","3","6","6","5","1") = "6"
    & skf21("7","1","5","3","6","6","6","1") = "6"
    & skf21("7","1","5","3","6","6","7","1") = "6"
    & skf21("7","1","5","3","6","7","1","1") = "6"
    & skf21("7","1","5","3","6","7","2","1") = "6"
    & skf21("7","1","5","3","6","7","3","1") = "6"
    & skf21("7","1","5","3","6","7","4","1") = "6"
    & skf21("7","1","5","3","6","7","5","1") = "6"
    & skf21("7","1","5","3","6","7","6","1") = "6"
    & skf21("7","1","5","3","6","7","7","1") = "6"
    & skf21("7","1","5","3","7","1","1","1") = "6"
    & skf21("7","1","5","3","7","1","2","1") = "6"
    & skf21("7","1","5","3","7","1","3","1") = "6"
    & skf21("7","1","5","3","7","1","4","1") = "6"
    & skf21("7","1","5","3","7","1","5","1") = "6"
    & skf21("7","1","5","3","7","1","6","1") = "6"
    & skf21("7","1","5","3","7","1","7","1") = "6"
    & skf21("7","1","5","3","7","2","1","1") = "6"
    & skf21("7","1","5","3","7","2","2","1") = "6"
    & skf21("7","1","5","3","7","2","3","1") = "6"
    & skf21("7","1","5","3","7","2","4","1") = "6"
    & skf21("7","1","5","3","7","2","5","1") = "6"
    & skf21("7","1","5","3","7","2","6","1") = "6"
    & skf21("7","1","5","3","7","2","7","1") = "6"
    & skf21("7","1","5","3","7","3","1","1") = "6"
    & skf21("7","1","5","3","7","3","2","1") = "6"
    & skf21("7","1","5","3","7","3","3","1") = "6"
    & skf21("7","1","5","3","7","3","4","1") = "6"
    & skf21("7","1","5","3","7","3","5","1") = "6"
    & skf21("7","1","5","3","7","3","6","1") = "6"
    & skf21("7","1","5","3","7","3","7","1") = "6"
    & skf21("7","1","5","3","7","4","1","1") = "6"
    & skf21("7","1","5","3","7","4","2","1") = "6"
    & skf21("7","1","5","3","7","4","3","1") = "6"
    & skf21("7","1","5","3","7","4","4","1") = "6"
    & skf21("7","1","5","3","7","4","5","1") = "6"
    & skf21("7","1","5","3","7","4","6","1") = "6"
    & skf21("7","1","5","3","7","4","7","1") = "6"
    & skf21("7","1","5","3","7","5","1","1") = "6"
    & skf21("7","1","5","3","7","5","2","1") = "6"
    & skf21("7","1","5","3","7","5","3","1") = "6"
    & skf21("7","1","5","3","7","5","4","1") = "6"
    & skf21("7","1","5","3","7","5","5","1") = "6"
    & skf21("7","1","5","3","7","5","6","1") = "6"
    & skf21("7","1","5","3","7","5","7","1") = "6"
    & skf21("7","1","5","3","7","6","1","1") = "6"
    & skf21("7","1","5","3","7","6","2","1") = "6"
    & skf21("7","1","5","3","7","6","3","1") = "6"
    & skf21("7","1","5","3","7","6","4","1") = "6"
    & skf21("7","1","5","3","7","6","5","1") = "6"
    & skf21("7","1","5","3","7","6","6","1") = "6"
    & skf21("7","1","5","3","7","6","7","1") = "6"
    & skf21("7","1","5","3","7","7","1","1") = "6"
    & skf21("7","1","5","3","7","7","2","1") = "6"
    & skf21("7","1","5","3","7","7","3","1") = "6"
    & skf21("7","1","5","3","7","7","4","1") = "6"
    & skf21("7","1","5","3","7","7","5","1") = "6"
    & skf21("7","1","5","3","7","7","6","1") = "6"
    & skf21("7","1","5","3","7","7","7","1") = "6"
    & skf21("7","1","5","4","1","1","1","1") = "6"
    & skf21("7","1","5","4","1","1","2","1") = "6"
    & skf21("7","1","5","4","1","1","3","1") = "6"
    & skf21("7","1","5","4","1","1","4","1") = "6"
    & skf21("7","1","5","4","1","1","5","1") = "6"
    & skf21("7","1","5","4","1","1","6","1") = "6"
    & skf21("7","1","5","4","1","1","7","1") = "6"
    & skf21("7","1","5","4","1","2","1","1") = "6"
    & skf21("7","1","5","4","1","2","2","1") = "6"
    & skf21("7","1","5","4","1","2","3","1") = "6"
    & skf21("7","1","5","4","1","2","4","1") = "6"
    & skf21("7","1","5","4","1","2","5","1") = "6"
    & skf21("7","1","5","4","1","2","6","1") = "6"
    & skf21("7","1","5","4","1","2","7","1") = "6"
    & skf21("7","1","5","4","1","3","1","1") = "6"
    & skf21("7","1","5","4","1","3","2","1") = "6"
    & skf21("7","1","5","4","1","3","3","1") = "6"
    & skf21("7","1","5","4","1","3","4","1") = "6"
    & skf21("7","1","5","4","1","3","5","1") = "6"
    & skf21("7","1","5","4","1","3","6","1") = "6"
    & skf21("7","1","5","4","1","3","7","1") = "6"
    & skf21("7","1","5","4","1","4","1","1") = "6"
    & skf21("7","1","5","4","1","4","2","1") = "6"
    & skf21("7","1","5","4","1","4","3","1") = "6"
    & skf21("7","1","5","4","1","4","4","1") = "6"
    & skf21("7","1","5","4","1","4","5","1") = "6"
    & skf21("7","1","5","4","1","4","6","1") = "6"
    & skf21("7","1","5","4","1","4","7","1") = "6"
    & skf21("7","1","5","4","1","5","1","1") = "6"
    & skf21("7","1","5","4","1","5","2","1") = "6"
    & skf21("7","1","5","4","1","5","3","1") = "6"
    & skf21("7","1","5","4","1","5","4","1") = "6"
    & skf21("7","1","5","4","1","5","5","1") = "6"
    & skf21("7","1","5","4","1","5","6","1") = "6"
    & skf21("7","1","5","4","1","5","7","1") = "6"
    & skf21("7","1","5","4","1","6","1","1") = "6"
    & skf21("7","1","5","4","1","6","2","1") = "6"
    & skf21("7","1","5","4","1","6","3","1") = "6"
    & skf21("7","1","5","4","1","6","4","1") = "6"
    & skf21("7","1","5","4","1","6","5","1") = "6"
    & skf21("7","1","5","4","1","6","6","1") = "6"
    & skf21("7","1","5","4","1","6","7","1") = "6"
    & skf21("7","1","5","4","1","7","1","1") = "6"
    & skf21("7","1","5","4","1","7","2","1") = "6"
    & skf21("7","1","5","4","1","7","3","1") = "6"
    & skf21("7","1","5","4","1","7","4","1") = "6"
    & skf21("7","1","5","4","1","7","5","1") = "6"
    & skf21("7","1","5","4","1","7","6","1") = "6"
    & skf21("7","1","5","4","1","7","7","1") = "6"
    & skf21("7","1","5","4","2","1","1","1") = "6"
    & skf21("7","1","5","4","2","1","2","1") = "6"
    & skf21("7","1","5","4","2","1","3","1") = "6"
    & skf21("7","1","5","4","2","1","4","1") = "6"
    & skf21("7","1","5","4","2","1","5","1") = "6"
    & skf21("7","1","5","4","2","1","6","1") = "6"
    & skf21("7","1","5","4","2","1","7","1") = "6"
    & skf21("7","1","5","4","2","2","1","1") = "6"
    & skf21("7","1","5","4","2","2","2","1") = "6"
    & skf21("7","1","5","4","2","2","3","1") = "6"
    & skf21("7","1","5","4","2","2","4","1") = "6"
    & skf21("7","1","5","4","2","2","5","1") = "6"
    & skf21("7","1","5","4","2","2","6","1") = "6"
    & skf21("7","1","5","4","2","2","7","1") = "6"
    & skf21("7","1","5","4","2","3","1","1") = "6"
    & skf21("7","1","5","4","2","3","2","1") = "6"
    & skf21("7","1","5","4","2","3","3","1") = "6"
    & skf21("7","1","5","4","2","3","4","1") = "6"
    & skf21("7","1","5","4","2","3","5","1") = "6"
    & skf21("7","1","5","4","2","3","6","1") = "6"
    & skf21("7","1","5","4","2","3","7","1") = "6"
    & skf21("7","1","5","4","2","4","1","1") = "6"
    & skf21("7","1","5","4","2","4","2","1") = "6"
    & skf21("7","1","5","4","2","4","3","1") = "6"
    & skf21("7","1","5","4","2","4","4","1") = "6"
    & skf21("7","1","5","4","2","4","5","1") = "6"
    & skf21("7","1","5","4","2","4","6","1") = "6"
    & skf21("7","1","5","4","2","4","7","1") = "6"
    & skf21("7","1","5","4","2","5","1","1") = "6"
    & skf21("7","1","5","4","2","5","2","1") = "6"
    & skf21("7","1","5","4","2","5","3","1") = "6"
    & skf21("7","1","5","4","2","5","4","1") = "6"
    & skf21("7","1","5","4","2","5","5","1") = "6"
    & skf21("7","1","5","4","2","5","6","1") = "6"
    & skf21("7","1","5","4","2","5","7","1") = "6"
    & skf21("7","1","5","4","2","6","1","1") = "6"
    & skf21("7","1","5","4","2","6","2","1") = "6"
    & skf21("7","1","5","4","2","6","3","1") = "6"
    & skf21("7","1","5","4","2","6","4","1") = "6"
    & skf21("7","1","5","4","2","6","5","1") = "6"
    & skf21("7","1","5","4","2","6","6","1") = "6"
    & skf21("7","1","5","4","2","6","7","1") = "6"
    & skf21("7","1","5","4","2","7","1","1") = "6"
    & skf21("7","1","5","4","2","7","2","1") = "6"
    & skf21("7","1","5","4","2","7","3","1") = "6"
    & skf21("7","1","5","4","2","7","4","1") = "6"
    & skf21("7","1","5","4","2","7","5","1") = "6"
    & skf21("7","1","5","4","2","7","6","1") = "6"
    & skf21("7","1","5","4","2","7","7","1") = "6"
    & skf21("7","1","5","4","3","1","1","1") = "6"
    & skf21("7","1","5","4","3","1","2","1") = "6"
    & skf21("7","1","5","4","3","1","3","1") = "6"
    & skf21("7","1","5","4","3","1","4","1") = "6"
    & skf21("7","1","5","4","3","1","5","1") = "6"
    & skf21("7","1","5","4","3","1","6","1") = "6"
    & skf21("7","1","5","4","3","1","7","1") = "6"
    & skf21("7","1","5","4","3","2","1","1") = "6"
    & skf21("7","1","5","4","3","2","2","1") = "6"
    & skf21("7","1","5","4","3","2","3","1") = "6"
    & skf21("7","1","5","4","3","2","4","1") = "6"
    & skf21("7","1","5","4","3","2","5","1") = "6"
    & skf21("7","1","5","4","3","2","6","1") = "6"
    & skf21("7","1","5","4","3","2","7","1") = "6"
    & skf21("7","1","5","4","3","3","1","1") = "6"
    & skf21("7","1","5","4","3","3","2","1") = "6"
    & skf21("7","1","5","4","3","3","3","1") = "6"
    & skf21("7","1","5","4","3","3","4","1") = "6"
    & skf21("7","1","5","4","3","3","5","1") = "6"
    & skf21("7","1","5","4","3","3","6","1") = "6"
    & skf21("7","1","5","4","3","3","7","1") = "6"
    & skf21("7","1","5","4","3","4","1","1") = "6"
    & skf21("7","1","5","4","3","4","2","1") = "6"
    & skf21("7","1","5","4","3","4","3","1") = "6"
    & skf21("7","1","5","4","3","4","4","1") = "6"
    & skf21("7","1","5","4","3","4","5","1") = "6"
    & skf21("7","1","5","4","3","4","6","1") = "6"
    & skf21("7","1","5","4","3","4","7","1") = "6"
    & skf21("7","1","5","4","3","5","1","1") = "6"
    & skf21("7","1","5","4","3","5","2","1") = "6"
    & skf21("7","1","5","4","3","5","3","1") = "6"
    & skf21("7","1","5","4","3","5","4","1") = "6"
    & skf21("7","1","5","4","3","5","5","1") = "6"
    & skf21("7","1","5","4","3","5","6","1") = "6"
    & skf21("7","1","5","4","3","5","7","1") = "6"
    & skf21("7","1","5","4","3","6","1","1") = "6"
    & skf21("7","1","5","4","3","6","2","1") = "6"
    & skf21("7","1","5","4","3","6","3","1") = "6"
    & skf21("7","1","5","4","3","6","4","1") = "6"
    & skf21("7","1","5","4","3","6","5","1") = "6"
    & skf21("7","1","5","4","3","6","6","1") = "6"
    & skf21("7","1","5","4","3","6","7","1") = "6"
    & skf21("7","1","5","4","3","7","1","1") = "6"
    & skf21("7","1","5","4","3","7","2","1") = "6"
    & skf21("7","1","5","4","3","7","3","1") = "6"
    & skf21("7","1","5","4","3","7","4","1") = "6"
    & skf21("7","1","5","4","3","7","5","1") = "6"
    & skf21("7","1","5","4","3","7","6","1") = "6"
    & skf21("7","1","5","4","3","7","7","1") = "6"
    & skf21("7","1","5","4","4","1","1","1") = "6"
    & skf21("7","1","5","4","4","1","2","1") = "6"
    & skf21("7","1","5","4","4","1","3","1") = "6"
    & skf21("7","1","5","4","4","1","4","1") = "6"
    & skf21("7","1","5","4","4","1","5","1") = "6"
    & skf21("7","1","5","4","4","1","6","1") = "6"
    & skf21("7","1","5","4","4","1","7","1") = "6"
    & skf21("7","1","5","4","4","2","1","1") = "6"
    & skf21("7","1","5","4","4","2","2","1") = "6"
    & skf21("7","1","5","4","4","2","3","1") = "6"
    & skf21("7","1","5","4","4","2","4","1") = "6"
    & skf21("7","1","5","4","4","2","5","1") = "6"
    & skf21("7","1","5","4","4","2","6","1") = "6"
    & skf21("7","1","5","4","4","2","7","1") = "6"
    & skf21("7","1","5","4","4","3","1","1") = "6"
    & skf21("7","1","5","4","4","3","2","1") = "6"
    & skf21("7","1","5","4","4","3","3","1") = "6"
    & skf21("7","1","5","4","4","3","4","1") = "6"
    & skf21("7","1","5","4","4","3","5","1") = "6"
    & skf21("7","1","5","4","4","3","6","1") = "6"
    & skf21("7","1","5","4","4","3","7","1") = "6"
    & skf21("7","1","5","4","4","4","1","1") = "6"
    & skf21("7","1","5","4","4","4","2","1") = "6"
    & skf21("7","1","5","4","4","4","3","1") = "6"
    & skf21("7","1","5","4","4","4","4","1") = "6"
    & skf21("7","1","5","4","4","4","5","1") = "6"
    & skf21("7","1","5","4","4","4","6","1") = "6"
    & skf21("7","1","5","4","4","4","7","1") = "6"
    & skf21("7","1","5","4","4","5","1","1") = "6"
    & skf21("7","1","5","4","4","5","2","1") = "6"
    & skf21("7","1","5","4","4","5","3","1") = "6"
    & skf21("7","1","5","4","4","5","4","1") = "6"
    & skf21("7","1","5","4","4","5","5","1") = "6"
    & skf21("7","1","5","4","4","5","6","1") = "6"
    & skf21("7","1","5","4","4","5","7","1") = "6"
    & skf21("7","1","5","4","4","6","1","1") = "6"
    & skf21("7","1","5","4","4","6","2","1") = "6"
    & skf21("7","1","5","4","4","6","3","1") = "6"
    & skf21("7","1","5","4","4","6","4","1") = "6"
    & skf21("7","1","5","4","4","6","5","1") = "6"
    & skf21("7","1","5","4","4","6","6","1") = "6"
    & skf21("7","1","5","4","4","6","7","1") = "6"
    & skf21("7","1","5","4","4","7","1","1") = "6"
    & skf21("7","1","5","4","4","7","2","1") = "6"
    & skf21("7","1","5","4","4","7","3","1") = "6"
    & skf21("7","1","5","4","4","7","4","1") = "6"
    & skf21("7","1","5","4","4","7","5","1") = "6"
    & skf21("7","1","5","4","4","7","6","1") = "6"
    & skf21("7","1","5","4","4","7","7","1") = "6"
    & skf21("7","1","5","4","5","1","1","1") = "6"
    & skf21("7","1","5","4","5","1","2","1") = "6"
    & skf21("7","1","5","4","5","1","3","1") = "6"
    & skf21("7","1","5","4","5","1","4","1") = "6"
    & skf21("7","1","5","4","5","1","5","1") = "6"
    & skf21("7","1","5","4","5","1","6","1") = "6"
    & skf21("7","1","5","4","5","1","7","1") = "6"
    & skf21("7","1","5","4","5","2","1","1") = "6"
    & skf21("7","1","5","4","5","2","2","1") = "6"
    & skf21("7","1","5","4","5","2","3","1") = "6"
    & skf21("7","1","5","4","5","2","4","1") = "6"
    & skf21("7","1","5","4","5","2","5","1") = "6"
    & skf21("7","1","5","4","5","2","6","1") = "6"
    & skf21("7","1","5","4","5","2","7","1") = "6"
    & skf21("7","1","5","4","5","3","1","1") = "6"
    & skf21("7","1","5","4","5","3","2","1") = "6"
    & skf21("7","1","5","4","5","3","3","1") = "6"
    & skf21("7","1","5","4","5","3","4","1") = "6"
    & skf21("7","1","5","4","5","3","5","1") = "6"
    & skf21("7","1","5","4","5","3","6","1") = "6"
    & skf21("7","1","5","4","5","3","7","1") = "6"
    & skf21("7","1","5","4","5","4","1","1") = "6"
    & skf21("7","1","5","4","5","4","2","1") = "6"
    & skf21("7","1","5","4","5","4","3","1") = "6"
    & skf21("7","1","5","4","5","4","4","1") = "6"
    & skf21("7","1","5","4","5","4","5","1") = "6"
    & skf21("7","1","5","4","5","4","6","1") = "6"
    & skf21("7","1","5","4","5","4","7","1") = "6"
    & skf21("7","1","5","4","5","5","1","1") = "6"
    & skf21("7","1","5","4","5","5","2","1") = "6"
    & skf21("7","1","5","4","5","5","3","1") = "6"
    & skf21("7","1","5","4","5","5","4","1") = "6"
    & skf21("7","1","5","4","5","5","5","1") = "6"
    & skf21("7","1","5","4","5","5","6","1") = "6"
    & skf21("7","1","5","4","5","5","7","1") = "6"
    & skf21("7","1","5","4","5","6","1","1") = "6"
    & skf21("7","1","5","4","5","6","2","1") = "6"
    & skf21("7","1","5","4","5","6","3","1") = "6"
    & skf21("7","1","5","4","5","6","4","1") = "6"
    & skf21("7","1","5","4","5","6","5","1") = "6"
    & skf21("7","1","5","4","5","6","6","1") = "6"
    & skf21("7","1","5","4","5","6","7","1") = "6"
    & skf21("7","1","5","4","5","7","1","1") = "6"
    & skf21("7","1","5","4","5","7","2","1") = "6"
    & skf21("7","1","5","4","5","7","3","1") = "6"
    & skf21("7","1","5","4","5","7","4","1") = "6"
    & skf21("7","1","5","4","5","7","5","1") = "6"
    & skf21("7","1","5","4","5","7","6","1") = "6"
    & skf21("7","1","5","4","5","7","7","1") = "6"
    & skf21("7","1","5","4","6","1","1","1") = "6"
    & skf21("7","1","5","4","6","1","2","1") = "6"
    & skf21("7","1","5","4","6","1","3","1") = "6"
    & skf21("7","1","5","4","6","1","4","1") = "6"
    & skf21("7","1","5","4","6","1","5","1") = "6"
    & skf21("7","1","5","4","6","1","6","1") = "6"
    & skf21("7","1","5","4","6","1","7","1") = "6"
    & skf21("7","1","5","4","6","2","1","1") = "6"
    & skf21("7","1","5","4","6","2","2","1") = "6"
    & skf21("7","1","5","4","6","2","3","1") = "6"
    & skf21("7","1","5","4","6","2","4","1") = "6"
    & skf21("7","1","5","4","6","2","5","1") = "6"
    & skf21("7","1","5","4","6","2","6","1") = "6"
    & skf21("7","1","5","4","6","2","7","1") = "6"
    & skf21("7","1","5","4","6","3","1","1") = "6"
    & skf21("7","1","5","4","6","3","2","1") = "6"
    & skf21("7","1","5","4","6","3","3","1") = "6"
    & skf21("7","1","5","4","6","3","4","1") = "6"
    & skf21("7","1","5","4","6","3","5","1") = "6"
    & skf21("7","1","5","4","6","3","6","1") = "6"
    & skf21("7","1","5","4","6","3","7","1") = "6"
    & skf21("7","1","5","4","6","4","1","1") = "6"
    & skf21("7","1","5","4","6","4","2","1") = "6"
    & skf21("7","1","5","4","6","4","3","1") = "6"
    & skf21("7","1","5","4","6","4","4","1") = "6"
    & skf21("7","1","5","4","6","4","5","1") = "6"
    & skf21("7","1","5","4","6","4","6","1") = "6"
    & skf21("7","1","5","4","6","4","7","1") = "6"
    & skf21("7","1","5","4","6","5","1","1") = "6"
    & skf21("7","1","5","4","6","5","2","1") = "6"
    & skf21("7","1","5","4","6","5","3","1") = "6"
    & skf21("7","1","5","4","6","5","4","1") = "6"
    & skf21("7","1","5","4","6","5","5","1") = "6"
    & skf21("7","1","5","4","6","5","6","1") = "6"
    & skf21("7","1","5","4","6","5","7","1") = "6"
    & skf21("7","1","5","4","6","6","1","1") = "6"
    & skf21("7","1","5","4","6","6","2","1") = "6"
    & skf21("7","1","5","4","6","6","3","1") = "6"
    & skf21("7","1","5","4","6","6","4","1") = "6"
    & skf21("7","1","5","4","6","6","5","1") = "6"
    & skf21("7","1","5","4","6","6","6","1") = "6"
    & skf21("7","1","5","4","6","6","7","1") = "6"
    & skf21("7","1","5","4","6","7","1","1") = "6"
    & skf21("7","1","5","4","6","7","2","1") = "6"
    & skf21("7","1","5","4","6","7","3","1") = "6"
    & skf21("7","1","5","4","6","7","4","1") = "6"
    & skf21("7","1","5","4","6","7","5","1") = "6"
    & skf21("7","1","5","4","6","7","6","1") = "6"
    & skf21("7","1","5","4","6","7","7","1") = "6"
    & skf21("7","1","5","4","7","1","1","1") = "6"
    & skf21("7","1","5","4","7","1","2","1") = "6"
    & skf21("7","1","5","4","7","1","3","1") = "6"
    & skf21("7","1","5","4","7","1","4","1") = "6"
    & skf21("7","1","5","4","7","1","5","1") = "6"
    & skf21("7","1","5","4","7","1","6","1") = "6"
    & skf21("7","1","5","4","7","1","7","1") = "6"
    & skf21("7","1","5","4","7","2","1","1") = "6"
    & skf21("7","1","5","4","7","2","2","1") = "6"
    & skf21("7","1","5","4","7","2","3","1") = "6"
    & skf21("7","1","5","4","7","2","4","1") = "6"
    & skf21("7","1","5","4","7","2","5","1") = "6"
    & skf21("7","1","5","4","7","2","6","1") = "6"
    & skf21("7","1","5","4","7","2","7","1") = "6"
    & skf21("7","1","5","4","7","3","1","1") = "6"
    & skf21("7","1","5","4","7","3","2","1") = "6"
    & skf21("7","1","5","4","7","3","3","1") = "6"
    & skf21("7","1","5","4","7","3","4","1") = "6"
    & skf21("7","1","5","4","7","3","5","1") = "6"
    & skf21("7","1","5","4","7","3","6","1") = "6"
    & skf21("7","1","5","4","7","3","7","1") = "6"
    & skf21("7","1","5","4","7","4","1","1") = "6"
    & skf21("7","1","5","4","7","4","2","1") = "6"
    & skf21("7","1","5","4","7","4","3","1") = "6"
    & skf21("7","1","5","4","7","4","4","1") = "6"
    & skf21("7","1","5","4","7","4","5","1") = "6"
    & skf21("7","1","5","4","7","4","6","1") = "6"
    & skf21("7","1","5","4","7","4","7","1") = "6"
    & skf21("7","1","5","4","7","5","1","1") = "6"
    & skf21("7","1","5","4","7","5","2","1") = "6"
    & skf21("7","1","5","4","7","5","3","1") = "6"
    & skf21("7","1","5","4","7","5","4","1") = "6"
    & skf21("7","1","5","4","7","5","5","1") = "6"
    & skf21("7","1","5","4","7","5","6","1") = "6"
    & skf21("7","1","5","4","7","5","7","1") = "6"
    & skf21("7","1","5","4","7","6","1","1") = "6"
    & skf21("7","1","5","4","7","6","2","1") = "6"
    & skf21("7","1","5","4","7","6","3","1") = "6"
    & skf21("7","1","5","4","7","6","4","1") = "6"
    & skf21("7","1","5","4","7","6","5","1") = "6"
    & skf21("7","1","5","4","7","6","6","1") = "6"
    & skf21("7","1","5","4","7","6","7","1") = "6"
    & skf21("7","1","5","4","7","7","1","1") = "6"
    & skf21("7","1","5","4","7","7","2","1") = "6"
    & skf21("7","1","5","4","7","7","3","1") = "6"
    & skf21("7","1","5","4","7","7","4","1") = "6"
    & skf21("7","1","5","4","7","7","5","1") = "6"
    & skf21("7","1","5","4","7","7","6","1") = "6"
    & skf21("7","1","5","4","7","7","7","1") = "6"
    & skf21("7","1","5","5","1","1","1","1") = "6"
    & skf21("7","1","5","5","1","1","2","1") = "6"
    & skf21("7","1","5","5","1","1","3","1") = "6"
    & skf21("7","1","5","5","1","1","4","1") = "6"
    & skf21("7","1","5","5","1","1","5","1") = "6"
    & skf21("7","1","5","5","1","1","6","1") = "6"
    & skf21("7","1","5","5","1","1","7","1") = "6"
    & skf21("7","1","5","5","1","2","1","1") = "6"
    & skf21("7","1","5","5","1","2","2","1") = "6"
    & skf21("7","1","5","5","1","2","3","1") = "6"
    & skf21("7","1","5","5","1","2","4","1") = "6"
    & skf21("7","1","5","5","1","2","5","1") = "6"
    & skf21("7","1","5","5","1","2","6","1") = "6"
    & skf21("7","1","5","5","1","2","7","1") = "6"
    & skf21("7","1","5","5","1","3","1","1") = "6"
    & skf21("7","1","5","5","1","3","2","1") = "6"
    & skf21("7","1","5","5","1","3","3","1") = "6"
    & skf21("7","1","5","5","1","3","4","1") = "6"
    & skf21("7","1","5","5","1","3","5","1") = "6"
    & skf21("7","1","5","5","1","3","6","1") = "6"
    & skf21("7","1","5","5","1","3","7","1") = "6"
    & skf21("7","1","5","5","1","4","1","1") = "6"
    & skf21("7","1","5","5","1","4","2","1") = "6"
    & skf21("7","1","5","5","1","4","3","1") = "6"
    & skf21("7","1","5","5","1","4","4","1") = "6"
    & skf21("7","1","5","5","1","4","5","1") = "6"
    & skf21("7","1","5","5","1","4","6","1") = "6"
    & skf21("7","1","5","5","1","4","7","1") = "6"
    & skf21("7","1","5","5","1","5","1","1") = "6"
    & skf21("7","1","5","5","1","5","2","1") = "6"
    & skf21("7","1","5","5","1","5","3","1") = "6"
    & skf21("7","1","5","5","1","5","4","1") = "6"
    & skf21("7","1","5","5","1","5","5","1") = "6"
    & skf21("7","1","5","5","1","5","6","1") = "6"
    & skf21("7","1","5","5","1","5","7","1") = "6"
    & skf21("7","1","5","5","1","6","1","1") = "6"
    & skf21("7","1","5","5","1","6","2","1") = "6"
    & skf21("7","1","5","5","1","6","3","1") = "6"
    & skf21("7","1","5","5","1","6","4","1") = "6"
    & skf21("7","1","5","5","1","6","5","1") = "6"
    & skf21("7","1","5","5","1","6","6","1") = "6"
    & skf21("7","1","5","5","1","6","7","1") = "6"
    & skf21("7","1","5","5","1","7","1","1") = "6"
    & skf21("7","1","5","5","1","7","2","1") = "6"
    & skf21("7","1","5","5","1","7","3","1") = "6"
    & skf21("7","1","5","5","1","7","4","1") = "6"
    & skf21("7","1","5","5","1","7","5","1") = "6"
    & skf21("7","1","5","5","1","7","6","1") = "6"
    & skf21("7","1","5","5","1","7","7","1") = "6"
    & skf21("7","1","5","5","2","1","1","1") = "6"
    & skf21("7","1","5","5","2","1","2","1") = "6"
    & skf21("7","1","5","5","2","1","3","1") = "6"
    & skf21("7","1","5","5","2","1","4","1") = "6"
    & skf21("7","1","5","5","2","1","5","1") = "6"
    & skf21("7","1","5","5","2","1","6","1") = "6"
    & skf21("7","1","5","5","2","1","7","1") = "6"
    & skf21("7","1","5","5","2","2","1","1") = "6"
    & skf21("7","1","5","5","2","2","2","1") = "6"
    & skf21("7","1","5","5","2","2","3","1") = "6"
    & skf21("7","1","5","5","2","2","4","1") = "6"
    & skf21("7","1","5","5","2","2","5","1") = "6"
    & skf21("7","1","5","5","2","2","6","1") = "6"
    & skf21("7","1","5","5","2","2","7","1") = "6"
    & skf21("7","1","5","5","2","3","1","1") = "6"
    & skf21("7","1","5","5","2","3","2","1") = "6"
    & skf21("7","1","5","5","2","3","3","1") = "6"
    & skf21("7","1","5","5","2","3","4","1") = "6"
    & skf21("7","1","5","5","2","3","5","1") = "6"
    & skf21("7","1","5","5","2","3","6","1") = "6"
    & skf21("7","1","5","5","2","3","7","1") = "6"
    & skf21("7","1","5","5","2","4","1","1") = "6"
    & skf21("7","1","5","5","2","4","2","1") = "6"
    & skf21("7","1","5","5","2","4","3","1") = "6"
    & skf21("7","1","5","5","2","4","4","1") = "6"
    & skf21("7","1","5","5","2","4","5","1") = "6"
    & skf21("7","1","5","5","2","4","6","1") = "6"
    & skf21("7","1","5","5","2","4","7","1") = "6"
    & skf21("7","1","5","5","2","5","1","1") = "6"
    & skf21("7","1","5","5","2","5","2","1") = "6"
    & skf21("7","1","5","5","2","5","3","1") = "6"
    & skf21("7","1","5","5","2","5","4","1") = "6"
    & skf21("7","1","5","5","2","5","5","1") = "6"
    & skf21("7","1","5","5","2","5","6","1") = "6"
    & skf21("7","1","5","5","2","5","7","1") = "6"
    & skf21("7","1","5","5","2","6","1","1") = "6"
    & skf21("7","1","5","5","2","6","2","1") = "6"
    & skf21("7","1","5","5","2","6","3","1") = "6"
    & skf21("7","1","5","5","2","6","4","1") = "6"
    & skf21("7","1","5","5","2","6","5","1") = "6"
    & skf21("7","1","5","5","2","6","6","1") = "6"
    & skf21("7","1","5","5","2","6","7","1") = "6"
    & skf21("7","1","5","5","2","7","1","1") = "6"
    & skf21("7","1","5","5","2","7","2","1") = "6"
    & skf21("7","1","5","5","2","7","3","1") = "6"
    & skf21("7","1","5","5","2","7","4","1") = "6"
    & skf21("7","1","5","5","2","7","5","1") = "6"
    & skf21("7","1","5","5","2","7","6","1") = "6"
    & skf21("7","1","5","5","2","7","7","1") = "6"
    & skf21("7","1","5","5","3","1","1","1") = "6"
    & skf21("7","1","5","5","3","1","2","1") = "6"
    & skf21("7","1","5","5","3","1","3","1") = "6"
    & skf21("7","1","5","5","3","1","4","1") = "6"
    & skf21("7","1","5","5","3","1","5","1") = "6"
    & skf21("7","1","5","5","3","1","6","1") = "6"
    & skf21("7","1","5","5","3","1","7","1") = "6"
    & skf21("7","1","5","5","3","2","1","1") = "6"
    & skf21("7","1","5","5","3","2","2","1") = "6"
    & skf21("7","1","5","5","3","2","3","1") = "6"
    & skf21("7","1","5","5","3","2","4","1") = "6"
    & skf21("7","1","5","5","3","2","5","1") = "6"
    & skf21("7","1","5","5","3","2","6","1") = "6"
    & skf21("7","1","5","5","3","2","7","1") = "6"
    & skf21("7","1","5","5","3","3","1","1") = "6"
    & skf21("7","1","5","5","3","3","2","1") = "6"
    & skf21("7","1","5","5","3","3","3","1") = "6"
    & skf21("7","1","5","5","3","3","4","1") = "6"
    & skf21("7","1","5","5","3","3","5","1") = "6"
    & skf21("7","1","5","5","3","3","6","1") = "6"
    & skf21("7","1","5","5","3","3","7","1") = "6"
    & skf21("7","1","5","5","3","4","1","1") = "6"
    & skf21("7","1","5","5","3","4","2","1") = "6"
    & skf21("7","1","5","5","3","4","3","1") = "6"
    & skf21("7","1","5","5","3","4","4","1") = "6"
    & skf21("7","1","5","5","3","4","5","1") = "6"
    & skf21("7","1","5","5","3","4","6","1") = "6"
    & skf21("7","1","5","5","3","4","7","1") = "6"
    & skf21("7","1","5","5","3","5","1","1") = "6"
    & skf21("7","1","5","5","3","5","2","1") = "6"
    & skf21("7","1","5","5","3","5","3","1") = "6"
    & skf21("7","1","5","5","3","5","4","1") = "6"
    & skf21("7","1","5","5","3","5","5","1") = "6"
    & skf21("7","1","5","5","3","5","6","1") = "6"
    & skf21("7","1","5","5","3","5","7","1") = "6"
    & skf21("7","1","5","5","3","6","1","1") = "6"
    & skf21("7","1","5","5","3","6","2","1") = "6"
    & skf21("7","1","5","5","3","6","3","1") = "6"
    & skf21("7","1","5","5","3","6","4","1") = "6"
    & skf21("7","1","5","5","3","6","5","1") = "6"
    & skf21("7","1","5","5","3","6","6","1") = "6"
    & skf21("7","1","5","5","3","6","7","1") = "6"
    & skf21("7","1","5","5","3","7","1","1") = "6"
    & skf21("7","1","5","5","3","7","2","1") = "6"
    & skf21("7","1","5","5","3","7","3","1") = "6"
    & skf21("7","1","5","5","3","7","4","1") = "6"
    & skf21("7","1","5","5","3","7","5","1") = "6"
    & skf21("7","1","5","5","3","7","6","1") = "6"
    & skf21("7","1","5","5","3","7","7","1") = "6"
    & skf21("7","1","5","5","4","1","1","1") = "6"
    & skf21("7","1","5","5","4","1","2","1") = "6"
    & skf21("7","1","5","5","4","1","3","1") = "6"
    & skf21("7","1","5","5","4","1","4","1") = "6"
    & skf21("7","1","5","5","4","1","5","1") = "6"
    & skf21("7","1","5","5","4","1","6","1") = "6"
    & skf21("7","1","5","5","4","1","7","1") = "6"
    & skf21("7","1","5","5","4","2","1","1") = "6"
    & skf21("7","1","5","5","4","2","2","1") = "6"
    & skf21("7","1","5","5","4","2","3","1") = "6"
    & skf21("7","1","5","5","4","2","4","1") = "6"
    & skf21("7","1","5","5","4","2","5","1") = "6"
    & skf21("7","1","5","5","4","2","6","1") = "6"
    & skf21("7","1","5","5","4","2","7","1") = "6"
    & skf21("7","1","5","5","4","3","1","1") = "6"
    & skf21("7","1","5","5","4","3","2","1") = "6"
    & skf21("7","1","5","5","4","3","3","1") = "6"
    & skf21("7","1","5","5","4","3","4","1") = "6"
    & skf21("7","1","5","5","4","3","5","1") = "6"
    & skf21("7","1","5","5","4","3","6","1") = "6"
    & skf21("7","1","5","5","4","3","7","1") = "6"
    & skf21("7","1","5","5","4","4","1","1") = "6"
    & skf21("7","1","5","5","4","4","2","1") = "6"
    & skf21("7","1","5","5","4","4","3","1") = "6"
    & skf21("7","1","5","5","4","4","4","1") = "6"
    & skf21("7","1","5","5","4","4","5","1") = "6"
    & skf21("7","1","5","5","4","4","6","1") = "6"
    & skf21("7","1","5","5","4","4","7","1") = "6"
    & skf21("7","1","5","5","4","5","1","1") = "6"
    & skf21("7","1","5","5","4","5","2","1") = "6"
    & skf21("7","1","5","5","4","5","3","1") = "6"
    & skf21("7","1","5","5","4","5","4","1") = "6"
    & skf21("7","1","5","5","4","5","5","1") = "6"
    & skf21("7","1","5","5","4","5","6","1") = "6"
    & skf21("7","1","5","5","4","5","7","1") = "6"
    & skf21("7","1","5","5","4","6","1","1") = "6"
    & skf21("7","1","5","5","4","6","2","1") = "6"
    & skf21("7","1","5","5","4","6","3","1") = "6"
    & skf21("7","1","5","5","4","6","4","1") = "6"
    & skf21("7","1","5","5","4","6","5","1") = "6"
    & skf21("7","1","5","5","4","6","6","1") = "6"
    & skf21("7","1","5","5","4","6","7","1") = "6"
    & skf21("7","1","5","5","4","7","1","1") = "6"
    & skf21("7","1","5","5","4","7","2","1") = "6"
    & skf21("7","1","5","5","4","7","3","1") = "6"
    & skf21("7","1","5","5","4","7","4","1") = "6"
    & skf21("7","1","5","5","4","7","5","1") = "6"
    & skf21("7","1","5","5","4","7","6","1") = "6"
    & skf21("7","1","5","5","4","7","7","1") = "6"
    & skf21("7","1","5","5","5","1","1","1") = "6"
    & skf21("7","1","5","5","5","1","2","1") = "6"
    & skf21("7","1","5","5","5","1","3","1") = "6"
    & skf21("7","1","5","5","5","1","4","1") = "6"
    & skf21("7","1","5","5","5","1","5","1") = "6"
    & skf21("7","1","5","5","5","1","6","1") = "6"
    & skf21("7","1","5","5","5","1","7","1") = "6"
    & skf21("7","1","5","5","5","2","1","1") = "6"
    & skf21("7","1","5","5","5","2","2","1") = "6"
    & skf21("7","1","5","5","5","2","3","1") = "6"
    & skf21("7","1","5","5","5","2","4","1") = "6"
    & skf21("7","1","5","5","5","2","5","1") = "6"
    & skf21("7","1","5","5","5","2","6","1") = "6"
    & skf21("7","1","5","5","5","2","7","1") = "6"
    & skf21("7","1","5","5","5","3","1","1") = "6"
    & skf21("7","1","5","5","5","3","2","1") = "6"
    & skf21("7","1","5","5","5","3","3","1") = "6"
    & skf21("7","1","5","5","5","3","4","1") = "6"
    & skf21("7","1","5","5","5","3","5","1") = "6"
    & skf21("7","1","5","5","5","3","6","1") = "6"
    & skf21("7","1","5","5","5","3","7","1") = "6"
    & skf21("7","1","5","5","5","4","1","1") = "6"
    & skf21("7","1","5","5","5","4","2","1") = "6"
    & skf21("7","1","5","5","5","4","3","1") = "6"
    & skf21("7","1","5","5","5","4","4","1") = "6"
    & skf21("7","1","5","5","5","4","5","1") = "6"
    & skf21("7","1","5","5","5","4","6","1") = "6"
    & skf21("7","1","5","5","5","4","7","1") = "6"
    & skf21("7","1","5","5","5","5","1","1") = "6"
    & skf21("7","1","5","5","5","5","2","1") = "6"
    & skf21("7","1","5","5","5","5","3","1") = "6"
    & skf21("7","1","5","5","5","5","4","1") = "6"
    & skf21("7","1","5","5","5","5","5","1") = "6"
    & skf21("7","1","5","5","5","5","6","1") = "6"
    & skf21("7","1","5","5","5","5","7","1") = "6"
    & skf21("7","1","5","5","5","6","1","1") = "6"
    & skf21("7","1","5","5","5","6","2","1") = "6"
    & skf21("7","1","5","5","5","6","3","1") = "6"
    & skf21("7","1","5","5","5","6","4","1") = "6"
    & skf21("7","1","5","5","5","6","5","1") = "6"
    & skf21("7","1","5","5","5","6","6","1") = "6"
    & skf21("7","1","5","5","5","6","7","1") = "6"
    & skf21("7","1","5","5","5","7","1","1") = "6"
    & skf21("7","1","5","5","5","7","2","1") = "6"
    & skf21("7","1","5","5","5","7","3","1") = "6"
    & skf21("7","1","5","5","5","7","4","1") = "6"
    & skf21("7","1","5","5","5","7","5","1") = "6"
    & skf21("7","1","5","5","5","7","6","1") = "6"
    & skf21("7","1","5","5","5","7","7","1") = "6"
    & skf21("7","1","5","5","6","1","1","1") = "6"
    & skf21("7","1","5","5","6","1","2","1") = "6"
    & skf21("7","1","5","5","6","1","3","1") = "6"
    & skf21("7","1","5","5","6","1","4","1") = "6"
    & skf21("7","1","5","5","6","1","5","1") = "6"
    & skf21("7","1","5","5","6","1","6","1") = "6"
    & skf21("7","1","5","5","6","1","7","1") = "6"
    & skf21("7","1","5","5","6","2","1","1") = "6"
    & skf21("7","1","5","5","6","2","2","1") = "6"
    & skf21("7","1","5","5","6","2","3","1") = "6"
    & skf21("7","1","5","5","6","2","4","1") = "6"
    & skf21("7","1","5","5","6","2","5","1") = "6"
    & skf21("7","1","5","5","6","2","6","1") = "6"
    & skf21("7","1","5","5","6","2","7","1") = "6"
    & skf21("7","1","5","5","6","3","1","1") = "6"
    & skf21("7","1","5","5","6","3","2","1") = "6"
    & skf21("7","1","5","5","6","3","3","1") = "6"
    & skf21("7","1","5","5","6","3","4","1") = "6"
    & skf21("7","1","5","5","6","3","5","1") = "6"
    & skf21("7","1","5","5","6","3","6","1") = "6"
    & skf21("7","1","5","5","6","3","7","1") = "6"
    & skf21("7","1","5","5","6","4","1","1") = "6"
    & skf21("7","1","5","5","6","4","2","1") = "6"
    & skf21("7","1","5","5","6","4","3","1") = "6"
    & skf21("7","1","5","5","6","4","4","1") = "6"
    & skf21("7","1","5","5","6","4","5","1") = "6"
    & skf21("7","1","5","5","6","4","6","1") = "6"
    & skf21("7","1","5","5","6","4","7","1") = "6"
    & skf21("7","1","5","5","6","5","1","1") = "6"
    & skf21("7","1","5","5","6","5","2","1") = "6"
    & skf21("7","1","5","5","6","5","3","1") = "6"
    & skf21("7","1","5","5","6","5","4","1") = "6"
    & skf21("7","1","5","5","6","5","5","1") = "6"
    & skf21("7","1","5","5","6","5","6","1") = "6"
    & skf21("7","1","5","5","6","5","7","1") = "6"
    & skf21("7","1","5","5","6","6","1","1") = "6"
    & skf21("7","1","5","5","6","6","2","1") = "6"
    & skf21("7","1","5","5","6","6","3","1") = "6"
    & skf21("7","1","5","5","6","6","4","1") = "6"
    & skf21("7","1","5","5","6","6","5","1") = "6"
    & skf21("7","1","5","5","6","6","6","1") = "6"
    & skf21("7","1","5","5","6","6","7","1") = "6"
    & skf21("7","1","5","5","6","7","1","1") = "6"
    & skf21("7","1","5","5","6","7","2","1") = "6"
    & skf21("7","1","5","5","6","7","3","1") = "6"
    & skf21("7","1","5","5","6","7","4","1") = "6"
    & skf21("7","1","5","5","6","7","5","1") = "6"
    & skf21("7","1","5","5","6","7","6","1") = "6"
    & skf21("7","1","5","5","6","7","7","1") = "6"
    & skf21("7","1","5","5","7","1","1","1") = "6"
    & skf21("7","1","5","5","7","1","2","1") = "6"
    & skf21("7","1","5","5","7","1","3","1") = "6"
    & skf21("7","1","5","5","7","1","4","1") = "6"
    & skf21("7","1","5","5","7","1","5","1") = "6"
    & skf21("7","1","5","5","7","1","6","1") = "6"
    & skf21("7","1","5","5","7","1","7","1") = "6"
    & skf21("7","1","5","5","7","2","1","1") = "6"
    & skf21("7","1","5","5","7","2","2","1") = "6"
    & skf21("7","1","5","5","7","2","3","1") = "6"
    & skf21("7","1","5","5","7","2","4","1") = "6"
    & skf21("7","1","5","5","7","2","5","1") = "6"
    & skf21("7","1","5","5","7","2","6","1") = "6"
    & skf21("7","1","5","5","7","2","7","1") = "6"
    & skf21("7","1","5","5","7","3","1","1") = "6"
    & skf21("7","1","5","5","7","3","2","1") = "6"
    & skf21("7","1","5","5","7","3","3","1") = "6"
    & skf21("7","1","5","5","7","3","4","1") = "6"
    & skf21("7","1","5","5","7","3","5","1") = "6"
    & skf21("7","1","5","5","7","3","6","1") = "6"
    & skf21("7","1","5","5","7","3","7","1") = "6"
    & skf21("7","1","5","5","7","4","1","1") = "6"
    & skf21("7","1","5","5","7","4","2","1") = "6"
    & skf21("7","1","5","5","7","4","3","1") = "6"
    & skf21("7","1","5","5","7","4","4","1") = "6"
    & skf21("7","1","5","5","7","4","5","1") = "6"
    & skf21("7","1","5","5","7","4","6","1") = "6"
    & skf21("7","1","5","5","7","4","7","1") = "6"
    & skf21("7","1","5","5","7","5","1","1") = "6"
    & skf21("7","1","5","5","7","5","2","1") = "6"
    & skf21("7","1","5","5","7","5","3","1") = "6"
    & skf21("7","1","5","5","7","5","4","1") = "6"
    & skf21("7","1","5","5","7","5","5","1") = "6"
    & skf21("7","1","5","5","7","5","6","1") = "6"
    & skf21("7","1","5","5","7","5","7","1") = "6"
    & skf21("7","1","5","5","7","6","1","1") = "6"
    & skf21("7","1","5","5","7","6","2","1") = "6"
    & skf21("7","1","5","5","7","6","3","1") = "6"
    & skf21("7","1","5","5","7","6","4","1") = "6"
    & skf21("7","1","5","5","7","6","5","1") = "6"
    & skf21("7","1","5","5","7","6","6","1") = "6"
    & skf21("7","1","5","5","7","6","7","1") = "6"
    & skf21("7","1","5","5","7","7","1","1") = "6"
    & skf21("7","1","5","5","7","7","2","1") = "6"
    & skf21("7","1","5","5","7","7","3","1") = "6"
    & skf21("7","1","5","5","7","7","4","1") = "6"
    & skf21("7","1","5","5","7","7","5","1") = "6"
    & skf21("7","1","5","5","7","7","6","1") = "6"
    & skf21("7","1","5","5","7","7","7","1") = "6"
    & skf21("7","1","5","6","1","1","1","1") = "6"
    & skf21("7","1","5","6","1","1","2","1") = "6"
    & skf21("7","1","5","6","1","1","3","1") = "6"
    & skf21("7","1","5","6","1","1","4","1") = "6"
    & skf21("7","1","5","6","1","1","5","1") = "6"
    & skf21("7","1","5","6","1","1","6","1") = "6"
    & skf21("7","1","5","6","1","1","7","1") = "6"
    & skf21("7","1","5","6","1","2","1","1") = "6"
    & skf21("7","1","5","6","1","2","2","1") = "6"
    & skf21("7","1","5","6","1","2","3","1") = "6"
    & skf21("7","1","5","6","1","2","4","1") = "6"
    & skf21("7","1","5","6","1","2","5","1") = "6"
    & skf21("7","1","5","6","1","2","6","1") = "6"
    & skf21("7","1","5","6","1","2","7","1") = "6"
    & skf21("7","1","5","6","1","3","1","1") = "6"
    & skf21("7","1","5","6","1","3","2","1") = "6"
    & skf21("7","1","5","6","1","3","3","1") = "6"
    & skf21("7","1","5","6","1","3","4","1") = "6"
    & skf21("7","1","5","6","1","3","5","1") = "6"
    & skf21("7","1","5","6","1","3","6","1") = "6"
    & skf21("7","1","5","6","1","3","7","1") = "6"
    & skf21("7","1","5","6","1","4","1","1") = "6"
    & skf21("7","1","5","6","1","4","2","1") = "6"
    & skf21("7","1","5","6","1","4","3","1") = "6"
    & skf21("7","1","5","6","1","4","4","1") = "6"
    & skf21("7","1","5","6","1","4","5","1") = "6"
    & skf21("7","1","5","6","1","4","6","1") = "6"
    & skf21("7","1","5","6","1","4","7","1") = "6"
    & skf21("7","1","5","6","1","5","1","1") = "6"
    & skf21("7","1","5","6","1","5","2","1") = "6"
    & skf21("7","1","5","6","1","5","3","1") = "6"
    & skf21("7","1","5","6","1","5","4","1") = "6"
    & skf21("7","1","5","6","1","5","5","1") = "6"
    & skf21("7","1","5","6","1","5","6","1") = "6"
    & skf21("7","1","5","6","1","5","7","1") = "6"
    & skf21("7","1","5","6","1","6","1","1") = "6"
    & skf21("7","1","5","6","1","6","2","1") = "6"
    & skf21("7","1","5","6","1","6","3","1") = "6"
    & skf21("7","1","5","6","1","6","4","1") = "6"
    & skf21("7","1","5","6","1","6","5","1") = "6"
    & skf21("7","1","5","6","1","6","6","1") = "6"
    & skf21("7","1","5","6","1","6","7","1") = "6"
    & skf21("7","1","5","6","1","7","1","1") = "6"
    & skf21("7","1","5","6","1","7","2","1") = "6"
    & skf21("7","1","5","6","1","7","3","1") = "6"
    & skf21("7","1","5","6","1","7","4","1") = "6"
    & skf21("7","1","5","6","1","7","5","1") = "6"
    & skf21("7","1","5","6","1","7","6","1") = "6"
    & skf21("7","1","5","6","1","7","7","1") = "6"
    & skf21("7","1","5","6","2","1","1","1") = "6"
    & skf21("7","1","5","6","2","1","2","1") = "6"
    & skf21("7","1","5","6","2","1","3","1") = "6"
    & skf21("7","1","5","6","2","1","4","1") = "6"
    & skf21("7","1","5","6","2","1","5","1") = "6"
    & skf21("7","1","5","6","2","1","6","1") = "6"
    & skf21("7","1","5","6","2","1","7","1") = "6"
    & skf21("7","1","5","6","2","2","1","1") = "6"
    & skf21("7","1","5","6","2","2","2","1") = "6"
    & skf21("7","1","5","6","2","2","3","1") = "6"
    & skf21("7","1","5","6","2","2","4","1") = "6"
    & skf21("7","1","5","6","2","2","5","1") = "6"
    & skf21("7","1","5","6","2","2","6","1") = "6"
    & skf21("7","1","5","6","2","2","7","1") = "6"
    & skf21("7","1","5","6","2","3","1","1") = "6"
    & skf21("7","1","5","6","2","3","2","1") = "6"
    & skf21("7","1","5","6","2","3","3","1") = "6"
    & skf21("7","1","5","6","2","3","4","1") = "6"
    & skf21("7","1","5","6","2","3","5","1") = "6"
    & skf21("7","1","5","6","2","3","6","1") = "6"
    & skf21("7","1","5","6","2","3","7","1") = "6"
    & skf21("7","1","5","6","2","4","1","1") = "6"
    & skf21("7","1","5","6","2","4","2","1") = "6"
    & skf21("7","1","5","6","2","4","3","1") = "6"
    & skf21("7","1","5","6","2","4","4","1") = "6"
    & skf21("7","1","5","6","2","4","5","1") = "6"
    & skf21("7","1","5","6","2","4","6","1") = "6"
    & skf21("7","1","5","6","2","4","7","1") = "6"
    & skf21("7","1","5","6","2","5","1","1") = "6"
    & skf21("7","1","5","6","2","5","2","1") = "6"
    & skf21("7","1","5","6","2","5","3","1") = "6"
    & skf21("7","1","5","6","2","5","4","1") = "6"
    & skf21("7","1","5","6","2","5","5","1") = "6"
    & skf21("7","1","5","6","2","5","6","1") = "6"
    & skf21("7","1","5","6","2","5","7","1") = "6"
    & skf21("7","1","5","6","2","6","1","1") = "6"
    & skf21("7","1","5","6","2","6","2","1") = "6"
    & skf21("7","1","5","6","2","6","3","1") = "6"
    & skf21("7","1","5","6","2","6","4","1") = "6"
    & skf21("7","1","5","6","2","6","5","1") = "6"
    & skf21("7","1","5","6","2","6","6","1") = "6"
    & skf21("7","1","5","6","2","6","7","1") = "6"
    & skf21("7","1","5","6","2","7","1","1") = "6"
    & skf21("7","1","5","6","2","7","2","1") = "6"
    & skf21("7","1","5","6","2","7","3","1") = "6"
    & skf21("7","1","5","6","2","7","4","1") = "6"
    & skf21("7","1","5","6","2","7","5","1") = "6"
    & skf21("7","1","5","6","2","7","6","1") = "6"
    & skf21("7","1","5","6","2","7","7","1") = "6"
    & skf21("7","1","5","6","3","1","1","1") = "6"
    & skf21("7","1","5","6","3","1","2","1") = "6"
    & skf21("7","1","5","6","3","1","3","1") = "6"
    & skf21("7","1","5","6","3","1","4","1") = "6"
    & skf21("7","1","5","6","3","1","5","1") = "6"
    & skf21("7","1","5","6","3","1","6","1") = "6"
    & skf21("7","1","5","6","3","1","7","1") = "6"
    & skf21("7","1","5","6","3","2","1","1") = "6"
    & skf21("7","1","5","6","3","2","2","1") = "6"
    & skf21("7","1","5","6","3","2","3","1") = "6"
    & skf21("7","1","5","6","3","2","4","1") = "6"
    & skf21("7","1","5","6","3","2","5","1") = "6"
    & skf21("7","1","5","6","3","2","6","1") = "6"
    & skf21("7","1","5","6","3","2","7","1") = "6"
    & skf21("7","1","5","6","3","3","1","1") = "6"
    & skf21("7","1","5","6","3","3","2","1") = "6"
    & skf21("7","1","5","6","3","3","3","1") = "6"
    & skf21("7","1","5","6","3","3","4","1") = "6"
    & skf21("7","1","5","6","3","3","5","1") = "6"
    & skf21("7","1","5","6","3","3","6","1") = "6"
    & skf21("7","1","5","6","3","3","7","1") = "6"
    & skf21("7","1","5","6","3","4","1","1") = "6"
    & skf21("7","1","5","6","3","4","2","1") = "6"
    & skf21("7","1","5","6","3","4","3","1") = "6"
    & skf21("7","1","5","6","3","4","4","1") = "6"
    & skf21("7","1","5","6","3","4","5","1") = "6"
    & skf21("7","1","5","6","3","4","6","1") = "6"
    & skf21("7","1","5","6","3","4","7","1") = "6"
    & skf21("7","1","5","6","3","5","1","1") = "6"
    & skf21("7","1","5","6","3","5","2","1") = "6"
    & skf21("7","1","5","6","3","5","3","1") = "6"
    & skf21("7","1","5","6","3","5","4","1") = "6"
    & skf21("7","1","5","6","3","5","5","1") = "6"
    & skf21("7","1","5","6","3","5","6","1") = "6"
    & skf21("7","1","5","6","3","5","7","1") = "6"
    & skf21("7","1","5","6","3","6","1","1") = "6"
    & skf21("7","1","5","6","3","6","2","1") = "6"
    & skf21("7","1","5","6","3","6","3","1") = "6"
    & skf21("7","1","5","6","3","6","4","1") = "6"
    & skf21("7","1","5","6","3","6","5","1") = "6"
    & skf21("7","1","5","6","3","6","6","1") = "6"
    & skf21("7","1","5","6","3","6","7","1") = "6"
    & skf21("7","1","5","6","3","7","1","1") = "6"
    & skf21("7","1","5","6","3","7","2","1") = "6"
    & skf21("7","1","5","6","3","7","3","1") = "6"
    & skf21("7","1","5","6","3","7","4","1") = "6"
    & skf21("7","1","5","6","3","7","5","1") = "6"
    & skf21("7","1","5","6","3","7","6","1") = "6"
    & skf21("7","1","5","6","3","7","7","1") = "6"
    & skf21("7","1","5","6","4","1","1","1") = "6"
    & skf21("7","1","5","6","4","1","2","1") = "6"
    & skf21("7","1","5","6","4","1","3","1") = "6"
    & skf21("7","1","5","6","4","1","4","1") = "6"
    & skf21("7","1","5","6","4","1","5","1") = "6"
    & skf21("7","1","5","6","4","1","6","1") = "6"
    & skf21("7","1","5","6","4","1","7","1") = "6"
    & skf21("7","1","5","6","4","2","1","1") = "6"
    & skf21("7","1","5","6","4","2","2","1") = "6"
    & skf21("7","1","5","6","4","2","3","1") = "6"
    & skf21("7","1","5","6","4","2","4","1") = "6"
    & skf21("7","1","5","6","4","2","5","1") = "6"
    & skf21("7","1","5","6","4","2","6","1") = "6"
    & skf21("7","1","5","6","4","2","7","1") = "6"
    & skf21("7","1","5","6","4","3","1","1") = "6"
    & skf21("7","1","5","6","4","3","2","1") = "6"
    & skf21("7","1","5","6","4","3","3","1") = "6"
    & skf21("7","1","5","6","4","3","4","1") = "6"
    & skf21("7","1","5","6","4","3","5","1") = "6"
    & skf21("7","1","5","6","4","3","6","1") = "6"
    & skf21("7","1","5","6","4","3","7","1") = "6"
    & skf21("7","1","5","6","4","4","1","1") = "6"
    & skf21("7","1","5","6","4","4","2","1") = "6"
    & skf21("7","1","5","6","4","4","3","1") = "6"
    & skf21("7","1","5","6","4","4","4","1") = "6"
    & skf21("7","1","5","6","4","4","5","1") = "6"
    & skf21("7","1","5","6","4","4","6","1") = "6"
    & skf21("7","1","5","6","4","4","7","1") = "6"
    & skf21("7","1","5","6","4","5","1","1") = "6"
    & skf21("7","1","5","6","4","5","2","1") = "6"
    & skf21("7","1","5","6","4","5","3","1") = "6"
    & skf21("7","1","5","6","4","5","4","1") = "6"
    & skf21("7","1","5","6","4","5","5","1") = "6"
    & skf21("7","1","5","6","4","5","6","1") = "6"
    & skf21("7","1","5","6","4","5","7","1") = "6"
    & skf21("7","1","5","6","4","6","1","1") = "6"
    & skf21("7","1","5","6","4","6","2","1") = "6"
    & skf21("7","1","5","6","4","6","3","1") = "6"
    & skf21("7","1","5","6","4","6","4","1") = "6"
    & skf21("7","1","5","6","4","6","5","1") = "6"
    & skf21("7","1","5","6","4","6","6","1") = "6"
    & skf21("7","1","5","6","4","6","7","1") = "6"
    & skf21("7","1","5","6","4","7","1","1") = "6"
    & skf21("7","1","5","6","4","7","2","1") = "6"
    & skf21("7","1","5","6","4","7","3","1") = "6"
    & skf21("7","1","5","6","4","7","4","1") = "6"
    & skf21("7","1","5","6","4","7","5","1") = "6"
    & skf21("7","1","5","6","4","7","6","1") = "6"
    & skf21("7","1","5","6","4","7","7","1") = "6"
    & skf21("7","1","5","6","5","1","1","1") = "6"
    & skf21("7","1","5","6","5","1","2","1") = "6"
    & skf21("7","1","5","6","5","1","3","1") = "6"
    & skf21("7","1","5","6","5","1","4","1") = "6"
    & skf21("7","1","5","6","5","1","5","1") = "6"
    & skf21("7","1","5","6","5","1","6","1") = "6"
    & skf21("7","1","5","6","5","1","7","1") = "6"
    & skf21("7","1","5","6","5","2","1","1") = "6"
    & skf21("7","1","5","6","5","2","2","1") = "6"
    & skf21("7","1","5","6","5","2","3","1") = "6"
    & skf21("7","1","5","6","5","2","4","1") = "6"
    & skf21("7","1","5","6","5","2","5","1") = "6"
    & skf21("7","1","5","6","5","2","6","1") = "6"
    & skf21("7","1","5","6","5","2","7","1") = "6"
    & skf21("7","1","5","6","5","3","1","1") = "6"
    & skf21("7","1","5","6","5","3","2","1") = "6"
    & skf21("7","1","5","6","5","3","3","1") = "6"
    & skf21("7","1","5","6","5","3","4","1") = "6"
    & skf21("7","1","5","6","5","3","5","1") = "6"
    & skf21("7","1","5","6","5","3","6","1") = "6"
    & skf21("7","1","5","6","5","3","7","1") = "6"
    & skf21("7","1","5","6","5","4","1","1") = "6"
    & skf21("7","1","5","6","5","4","2","1") = "6"
    & skf21("7","1","5","6","5","4","3","1") = "6"
    & skf21("7","1","5","6","5","4","4","1") = "6"
    & skf21("7","1","5","6","5","4","5","1") = "6"
    & skf21("7","1","5","6","5","4","6","1") = "6"
    & skf21("7","1","5","6","5","4","7","1") = "6"
    & skf21("7","1","5","6","5","5","1","1") = "6"
    & skf21("7","1","5","6","5","5","2","1") = "6"
    & skf21("7","1","5","6","5","5","3","1") = "6"
    & skf21("7","1","5","6","5","5","4","1") = "6"
    & skf21("7","1","5","6","5","5","5","1") = "6"
    & skf21("7","1","5","6","5","5","6","1") = "6"
    & skf21("7","1","5","6","5","5","7","1") = "6"
    & skf21("7","1","5","6","5","6","1","1") = "6"
    & skf21("7","1","5","6","5","6","2","1") = "6"
    & skf21("7","1","5","6","5","6","3","1") = "6"
    & skf21("7","1","5","6","5","6","4","1") = "6"
    & skf21("7","1","5","6","5","6","5","1") = "6"
    & skf21("7","1","5","6","5","6","6","1") = "6"
    & skf21("7","1","5","6","5","6","7","1") = "6"
    & skf21("7","1","5","6","5","7","1","1") = "6"
    & skf21("7","1","5","6","5","7","2","1") = "6"
    & skf21("7","1","5","6","5","7","3","1") = "6"
    & skf21("7","1","5","6","5","7","4","1") = "6"
    & skf21("7","1","5","6","5","7","5","1") = "6"
    & skf21("7","1","5","6","5","7","6","1") = "6"
    & skf21("7","1","5","6","5","7","7","1") = "6"
    & skf21("7","1","5","6","6","1","1","1") = "6"
    & skf21("7","1","5","6","6","1","2","1") = "6"
    & skf21("7","1","5","6","6","1","3","1") = "6"
    & skf21("7","1","5","6","6","1","4","1") = "6"
    & skf21("7","1","5","6","6","1","5","1") = "6"
    & skf21("7","1","5","6","6","1","6","1") = "6"
    & skf21("7","1","5","6","6","1","7","1") = "6"
    & skf21("7","1","5","6","6","2","1","1") = "6"
    & skf21("7","1","5","6","6","2","2","1") = "6"
    & skf21("7","1","5","6","6","2","3","1") = "6"
    & skf21("7","1","5","6","6","2","4","1") = "6"
    & skf21("7","1","5","6","6","2","5","1") = "6"
    & skf21("7","1","5","6","6","2","6","1") = "6"
    & skf21("7","1","5","6","6","2","7","1") = "6"
    & skf21("7","1","5","6","6","3","1","1") = "6"
    & skf21("7","1","5","6","6","3","2","1") = "6"
    & skf21("7","1","5","6","6","3","3","1") = "6"
    & skf21("7","1","5","6","6","3","4","1") = "6"
    & skf21("7","1","5","6","6","3","5","1") = "6"
    & skf21("7","1","5","6","6","3","6","1") = "6"
    & skf21("7","1","5","6","6","3","7","1") = "6"
    & skf21("7","1","5","6","6","4","1","1") = "6"
    & skf21("7","1","5","6","6","4","2","1") = "6"
    & skf21("7","1","5","6","6","4","3","1") = "6"
    & skf21("7","1","5","6","6","4","4","1") = "6"
    & skf21("7","1","5","6","6","4","5","1") = "6"
    & skf21("7","1","5","6","6","4","6","1") = "6"
    & skf21("7","1","5","6","6","4","7","1") = "6"
    & skf21("7","1","5","6","6","5","1","1") = "6"
    & skf21("7","1","5","6","6","5","2","1") = "6"
    & skf21("7","1","5","6","6","5","3","1") = "6"
    & skf21("7","1","5","6","6","5","4","1") = "6"
    & skf21("7","1","5","6","6","5","5","1") = "6"
    & skf21("7","1","5","6","6","5","6","1") = "6"
    & skf21("7","1","5","6","6","5","7","1") = "6"
    & skf21("7","1","5","6","6","6","1","1") = "6"
    & skf21("7","1","5","6","6","6","2","1") = "6"
    & skf21("7","1","5","6","6","6","3","1") = "6"
    & skf21("7","1","5","6","6","6","4","1") = "6"
    & skf21("7","1","5","6","6","6","5","1") = "6"
    & skf21("7","1","5","6","6","6","6","1") = "6"
    & skf21("7","1","5","6","6","6","7","1") = "6"
    & skf21("7","1","5","6","6","7","1","1") = "6"
    & skf21("7","1","5","6","6","7","2","1") = "6"
    & skf21("7","1","5","6","6","7","3","1") = "6"
    & skf21("7","1","5","6","6","7","4","1") = "6"
    & skf21("7","1","5","6","6","7","5","1") = "6"
    & skf21("7","1","5","6","6","7","6","1") = "6"
    & skf21("7","1","5","6","6","7","7","1") = "6"
    & skf21("7","1","5","6","7","1","1","1") = "6"
    & skf21("7","1","5","6","7","1","2","1") = "6"
    & skf21("7","1","5","6","7","1","3","1") = "6"
    & skf21("7","1","5","6","7","1","4","1") = "6"
    & skf21("7","1","5","6","7","1","5","1") = "6"
    & skf21("7","1","5","6","7","1","6","1") = "6"
    & skf21("7","1","5","6","7","1","7","1") = "6"
    & skf21("7","1","5","6","7","2","1","1") = "6"
    & skf21("7","1","5","6","7","2","2","1") = "6"
    & skf21("7","1","5","6","7","2","3","1") = "6"
    & skf21("7","1","5","6","7","2","4","1") = "6"
    & skf21("7","1","5","6","7","2","5","1") = "6"
    & skf21("7","1","5","6","7","2","6","1") = "6"
    & skf21("7","1","5","6","7","2","7","1") = "6"
    & skf21("7","1","5","6","7","3","1","1") = "6"
    & skf21("7","1","5","6","7","3","2","1") = "6"
    & skf21("7","1","5","6","7","3","3","1") = "6"
    & skf21("7","1","5","6","7","3","4","1") = "6"
    & skf21("7","1","5","6","7","3","5","1") = "6"
    & skf21("7","1","5","6","7","3","6","1") = "6"
    & skf21("7","1","5","6","7","3","7","1") = "6"
    & skf21("7","1","5","6","7","4","1","1") = "6"
    & skf21("7","1","5","6","7","4","2","1") = "6"
    & skf21("7","1","5","6","7","4","3","1") = "6"
    & skf21("7","1","5","6","7","4","4","1") = "6"
    & skf21("7","1","5","6","7","4","5","1") = "6"
    & skf21("7","1","5","6","7","4","6","1") = "6"
    & skf21("7","1","5","6","7","4","7","1") = "6"
    & skf21("7","1","5","6","7","5","1","1") = "6"
    & skf21("7","1","5","6","7","5","2","1") = "6"
    & skf21("7","1","5","6","7","5","3","1") = "6"
    & skf21("7","1","5","6","7","5","4","1") = "6"
    & skf21("7","1","5","6","7","5","5","1") = "6"
    & skf21("7","1","5","6","7","5","6","1") = "6"
    & skf21("7","1","5","6","7","5","7","1") = "6"
    & skf21("7","1","5","6","7","6","1","1") = "6"
    & skf21("7","1","5","6","7","6","2","1") = "6"
    & skf21("7","1","5","6","7","6","3","1") = "6"
    & skf21("7","1","5","6","7","6","4","1") = "6"
    & skf21("7","1","5","6","7","6","5","1") = "6"
    & skf21("7","1","5","6","7","6","6","1") = "6"
    & skf21("7","1","5","6","7","6","7","1") = "6"
    & skf21("7","1","5","6","7","7","1","1") = "6"
    & skf21("7","1","5","6","7","7","2","1") = "6"
    & skf21("7","1","5","6","7","7","3","1") = "6"
    & skf21("7","1","5","6","7","7","4","1") = "6"
    & skf21("7","1","5","6","7","7","5","1") = "6"
    & skf21("7","1","5","6","7","7","6","1") = "6"
    & skf21("7","1","5","6","7","7","7","1") = "6"
    & skf21("7","1","5","7","1","1","1","1") = "6"
    & skf21("7","1","5","7","1","1","2","1") = "6"
    & skf21("7","1","5","7","1","1","3","1") = "6"
    & skf21("7","1","5","7","1","1","4","1") = "6"
    & skf21("7","1","5","7","1","1","5","1") = "6"
    & skf21("7","1","5","7","1","1","6","1") = "6"
    & skf21("7","1","5","7","1","1","7","1") = "6"
    & skf21("7","1","5","7","1","2","1","1") = "6"
    & skf21("7","1","5","7","1","2","2","1") = "6"
    & skf21("7","1","5","7","1","2","3","1") = "6"
    & skf21("7","1","5","7","1","2","4","1") = "6"
    & skf21("7","1","5","7","1","2","5","1") = "6"
    & skf21("7","1","5","7","1","2","6","1") = "6"
    & skf21("7","1","5","7","1","2","7","1") = "6"
    & skf21("7","1","5","7","1","3","1","1") = "6"
    & skf21("7","1","5","7","1","3","2","1") = "6"
    & skf21("7","1","5","7","1","3","3","1") = "6"
    & skf21("7","1","5","7","1","3","4","1") = "6"
    & skf21("7","1","5","7","1","3","5","1") = "6"
    & skf21("7","1","5","7","1","3","6","1") = "6"
    & skf21("7","1","5","7","1","3","7","1") = "6"
    & skf21("7","1","5","7","1","4","1","1") = "6"
    & skf21("7","1","5","7","1","4","2","1") = "6"
    & skf21("7","1","5","7","1","4","3","1") = "6"
    & skf21("7","1","5","7","1","4","4","1") = "6"
    & skf21("7","1","5","7","1","4","5","1") = "6"
    & skf21("7","1","5","7","1","4","6","1") = "6"
    & skf21("7","1","5","7","1","4","7","1") = "6"
    & skf21("7","1","5","7","1","5","1","1") = "6"
    & skf21("7","1","5","7","1","5","2","1") = "6"
    & skf21("7","1","5","7","1","5","3","1") = "6"
    & skf21("7","1","5","7","1","5","4","1") = "6"
    & skf21("7","1","5","7","1","5","5","1") = "6"
    & skf21("7","1","5","7","1","5","6","1") = "6"
    & skf21("7","1","5","7","1","5","7","1") = "6"
    & skf21("7","1","5","7","1","6","1","1") = "6"
    & skf21("7","1","5","7","1","6","2","1") = "6"
    & skf21("7","1","5","7","1","6","3","1") = "6"
    & skf21("7","1","5","7","1","6","4","1") = "6"
    & skf21("7","1","5","7","1","6","5","1") = "6"
    & skf21("7","1","5","7","1","6","6","1") = "6"
    & skf21("7","1","5","7","1","6","7","1") = "6"
    & skf21("7","1","5","7","1","7","1","1") = "6"
    & skf21("7","1","5","7","1","7","2","1") = "6"
    & skf21("7","1","5","7","1","7","3","1") = "6"
    & skf21("7","1","5","7","1","7","4","1") = "6"
    & skf21("7","1","5","7","1","7","5","1") = "6"
    & skf21("7","1","5","7","1","7","6","1") = "6"
    & skf21("7","1","5","7","1","7","7","1") = "6"
    & skf21("7","1","5","7","2","1","1","1") = "6"
    & skf21("7","1","5","7","2","1","2","1") = "6"
    & skf21("7","1","5","7","2","1","3","1") = "6"
    & skf21("7","1","5","7","2","1","4","1") = "6"
    & skf21("7","1","5","7","2","1","5","1") = "6"
    & skf21("7","1","5","7","2","1","6","1") = "6"
    & skf21("7","1","5","7","2","1","7","1") = "6"
    & skf21("7","1","5","7","2","2","1","1") = "6"
    & skf21("7","1","5","7","2","2","2","1") = "6"
    & skf21("7","1","5","7","2","2","3","1") = "6"
    & skf21("7","1","5","7","2","2","4","1") = "6"
    & skf21("7","1","5","7","2","2","5","1") = "6"
    & skf21("7","1","5","7","2","2","6","1") = "6"
    & skf21("7","1","5","7","2","2","7","1") = "6"
    & skf21("7","1","5","7","2","3","1","1") = "6"
    & skf21("7","1","5","7","2","3","2","1") = "6"
    & skf21("7","1","5","7","2","3","3","1") = "6"
    & skf21("7","1","5","7","2","3","4","1") = "6"
    & skf21("7","1","5","7","2","3","5","1") = "6"
    & skf21("7","1","5","7","2","3","6","1") = "6"
    & skf21("7","1","5","7","2","3","7","1") = "6"
    & skf21("7","1","5","7","2","4","1","1") = "6"
    & skf21("7","1","5","7","2","4","2","1") = "6"
    & skf21("7","1","5","7","2","4","3","1") = "6"
    & skf21("7","1","5","7","2","4","4","1") = "6"
    & skf21("7","1","5","7","2","4","5","1") = "6"
    & skf21("7","1","5","7","2","4","6","1") = "6"
    & skf21("7","1","5","7","2","4","7","1") = "6"
    & skf21("7","1","5","7","2","5","1","1") = "6"
    & skf21("7","1","5","7","2","5","2","1") = "6"
    & skf21("7","1","5","7","2","5","3","1") = "6"
    & skf21("7","1","5","7","2","5","4","1") = "6"
    & skf21("7","1","5","7","2","5","5","1") = "6"
    & skf21("7","1","5","7","2","5","6","1") = "6"
    & skf21("7","1","5","7","2","5","7","1") = "6"
    & skf21("7","1","5","7","2","6","1","1") = "6"
    & skf21("7","1","5","7","2","6","2","1") = "6"
    & skf21("7","1","5","7","2","6","3","1") = "6"
    & skf21("7","1","5","7","2","6","4","1") = "6"
    & skf21("7","1","5","7","2","6","5","1") = "6"
    & skf21("7","1","5","7","2","6","6","1") = "6"
    & skf21("7","1","5","7","2","6","7","1") = "6"
    & skf21("7","1","5","7","2","7","1","1") = "6"
    & skf21("7","1","5","7","2","7","2","1") = "6"
    & skf21("7","1","5","7","2","7","3","1") = "6"
    & skf21("7","1","5","7","2","7","4","1") = "6"
    & skf21("7","1","5","7","2","7","5","1") = "6"
    & skf21("7","1","5","7","2","7","6","1") = "6"
    & skf21("7","1","5","7","2","7","7","1") = "6"
    & skf21("7","1","5","7","3","1","1","1") = "6"
    & skf21("7","1","5","7","3","1","2","1") = "6"
    & skf21("7","1","5","7","3","1","3","1") = "6"
    & skf21("7","1","5","7","3","1","4","1") = "6"
    & skf21("7","1","5","7","3","1","5","1") = "6"
    & skf21("7","1","5","7","3","1","6","1") = "6"
    & skf21("7","1","5","7","3","1","7","1") = "6"
    & skf21("7","1","5","7","3","2","1","1") = "6"
    & skf21("7","1","5","7","3","2","2","1") = "6"
    & skf21("7","1","5","7","3","2","3","1") = "6"
    & skf21("7","1","5","7","3","2","4","1") = "6"
    & skf21("7","1","5","7","3","2","5","1") = "6"
    & skf21("7","1","5","7","3","2","6","1") = "6"
    & skf21("7","1","5","7","3","2","7","1") = "6"
    & skf21("7","1","5","7","3","3","1","1") = "6"
    & skf21("7","1","5","7","3","3","2","1") = "6"
    & skf21("7","1","5","7","3","3","3","1") = "6"
    & skf21("7","1","5","7","3","3","4","1") = "6"
    & skf21("7","1","5","7","3","3","5","1") = "6"
    & skf21("7","1","5","7","3","3","6","1") = "6"
    & skf21("7","1","5","7","3","3","7","1") = "6"
    & skf21("7","1","5","7","3","4","1","1") = "6"
    & skf21("7","1","5","7","3","4","2","1") = "6"
    & skf21("7","1","5","7","3","4","3","1") = "6"
    & skf21("7","1","5","7","3","4","4","1") = "6"
    & skf21("7","1","5","7","3","4","5","1") = "6"
    & skf21("7","1","5","7","3","4","6","1") = "6"
    & skf21("7","1","5","7","3","4","7","1") = "6"
    & skf21("7","1","5","7","3","5","1","1") = "6"
    & skf21("7","1","5","7","3","5","2","1") = "6"
    & skf21("7","1","5","7","3","5","3","1") = "6"
    & skf21("7","1","5","7","3","5","4","1") = "6"
    & skf21("7","1","5","7","3","5","5","1") = "6"
    & skf21("7","1","5","7","3","5","6","1") = "6"
    & skf21("7","1","5","7","3","5","7","1") = "6"
    & skf21("7","1","5","7","3","6","1","1") = "6"
    & skf21("7","1","5","7","3","6","2","1") = "6"
    & skf21("7","1","5","7","3","6","3","1") = "6"
    & skf21("7","1","5","7","3","6","4","1") = "6"
    & skf21("7","1","5","7","3","6","5","1") = "6"
    & skf21("7","1","5","7","3","6","6","1") = "6"
    & skf21("7","1","5","7","3","6","7","1") = "6"
    & skf21("7","1","5","7","3","7","1","1") = "6"
    & skf21("7","1","5","7","3","7","2","1") = "6"
    & skf21("7","1","5","7","3","7","3","1") = "6"
    & skf21("7","1","5","7","3","7","4","1") = "6"
    & skf21("7","1","5","7","3","7","5","1") = "6"
    & skf21("7","1","5","7","3","7","6","1") = "6"
    & skf21("7","1","5","7","3","7","7","1") = "6"
    & skf21("7","1","5","7","4","1","1","1") = "6"
    & skf21("7","1","5","7","4","1","2","1") = "6"
    & skf21("7","1","5","7","4","1","3","1") = "6"
    & skf21("7","1","5","7","4","1","4","1") = "6"
    & skf21("7","1","5","7","4","1","5","1") = "6"
    & skf21("7","1","5","7","4","1","6","1") = "6"
    & skf21("7","1","5","7","4","1","7","1") = "6"
    & skf21("7","1","5","7","4","2","1","1") = "6"
    & skf21("7","1","5","7","4","2","2","1") = "6"
    & skf21("7","1","5","7","4","2","3","1") = "6"
    & skf21("7","1","5","7","4","2","4","1") = "6"
    & skf21("7","1","5","7","4","2","5","1") = "6"
    & skf21("7","1","5","7","4","2","6","1") = "6"
    & skf21("7","1","5","7","4","2","7","1") = "6"
    & skf21("7","1","5","7","4","3","1","1") = "6"
    & skf21("7","1","5","7","4","3","2","1") = "6"
    & skf21("7","1","5","7","4","3","3","1") = "6"
    & skf21("7","1","5","7","4","3","4","1") = "6"
    & skf21("7","1","5","7","4","3","5","1") = "6"
    & skf21("7","1","5","7","4","3","6","1") = "6"
    & skf21("7","1","5","7","4","3","7","1") = "6"
    & skf21("7","1","5","7","4","4","1","1") = "6"
    & skf21("7","1","5","7","4","4","2","1") = "6"
    & skf21("7","1","5","7","4","4","3","1") = "6"
    & skf21("7","1","5","7","4","4","4","1") = "6"
    & skf21("7","1","5","7","4","4","5","1") = "6"
    & skf21("7","1","5","7","4","4","6","1") = "6"
    & skf21("7","1","5","7","4","4","7","1") = "6"
    & skf21("7","1","5","7","4","5","1","1") = "6"
    & skf21("7","1","5","7","4","5","2","1") = "6"
    & skf21("7","1","5","7","4","5","3","1") = "6"
    & skf21("7","1","5","7","4","5","4","1") = "6"
    & skf21("7","1","5","7","4","5","5","1") = "6"
    & skf21("7","1","5","7","4","5","6","1") = "6"
    & skf21("7","1","5","7","4","5","7","1") = "6"
    & skf21("7","1","5","7","4","6","1","1") = "6"
    & skf21("7","1","5","7","4","6","2","1") = "6"
    & skf21("7","1","5","7","4","6","3","1") = "6"
    & skf21("7","1","5","7","4","6","4","1") = "6"
    & skf21("7","1","5","7","4","6","5","1") = "6"
    & skf21("7","1","5","7","4","6","6","1") = "6"
    & skf21("7","1","5","7","4","6","7","1") = "6"
    & skf21("7","1","5","7","4","7","1","1") = "6"
    & skf21("7","1","5","7","4","7","2","1") = "6"
    & skf21("7","1","5","7","4","7","3","1") = "6"
    & skf21("7","1","5","7","4","7","4","1") = "6"
    & skf21("7","1","5","7","4","7","5","1") = "6"
    & skf21("7","1","5","7","4","7","6","1") = "6"
    & skf21("7","1","5","7","4","7","7","1") = "6"
    & skf21("7","1","5","7","5","1","1","1") = "6"
    & skf21("7","1","5","7","5","1","2","1") = "6"
    & skf21("7","1","5","7","5","1","3","1") = "6"
    & skf21("7","1","5","7","5","1","4","1") = "6"
    & skf21("7","1","5","7","5","1","5","1") = "6"
    & skf21("7","1","5","7","5","1","6","1") = "6"
    & skf21("7","1","5","7","5","1","7","1") = "6"
    & skf21("7","1","5","7","5","2","1","1") = "6"
    & skf21("7","1","5","7","5","2","2","1") = "6"
    & skf21("7","1","5","7","5","2","3","1") = "6"
    & skf21("7","1","5","7","5","2","4","1") = "6"
    & skf21("7","1","5","7","5","2","5","1") = "6"
    & skf21("7","1","5","7","5","2","6","1") = "6"
    & skf21("7","1","5","7","5","2","7","1") = "6"
    & skf21("7","1","5","7","5","3","1","1") = "6"
    & skf21("7","1","5","7","5","3","2","1") = "6"
    & skf21("7","1","5","7","5","3","3","1") = "6"
    & skf21("7","1","5","7","5","3","4","1") = "6"
    & skf21("7","1","5","7","5","3","5","1") = "6"
    & skf21("7","1","5","7","5","3","6","1") = "6"
    & skf21("7","1","5","7","5","3","7","1") = "6"
    & skf21("7","1","5","7","5","4","1","1") = "6"
    & skf21("7","1","5","7","5","4","2","1") = "6"
    & skf21("7","1","5","7","5","4","3","1") = "6"
    & skf21("7","1","5","7","5","4","4","1") = "6"
    & skf21("7","1","5","7","5","4","5","1") = "6"
    & skf21("7","1","5","7","5","4","6","1") = "6"
    & skf21("7","1","5","7","5","4","7","1") = "6"
    & skf21("7","1","5","7","5","5","1","1") = "6"
    & skf21("7","1","5","7","5","5","2","1") = "6"
    & skf21("7","1","5","7","5","5","3","1") = "6"
    & skf21("7","1","5","7","5","5","4","1") = "6"
    & skf21("7","1","5","7","5","5","5","1") = "6"
    & skf21("7","1","5","7","5","5","6","1") = "6"
    & skf21("7","1","5","7","5","5","7","1") = "6"
    & skf21("7","1","5","7","5","6","1","1") = "6"
    & skf21("7","1","5","7","5","6","2","1") = "6"
    & skf21("7","1","5","7","5","6","3","1") = "6"
    & skf21("7","1","5","7","5","6","4","1") = "6"
    & skf21("7","1","5","7","5","6","5","1") = "6"
    & skf21("7","1","5","7","5","6","6","1") = "6"
    & skf21("7","1","5","7","5","6","7","1") = "6"
    & skf21("7","1","5","7","5","7","1","1") = "6"
    & skf21("7","1","5","7","5","7","2","1") = "6"
    & skf21("7","1","5","7","5","7","3","1") = "6"
    & skf21("7","1","5","7","5","7","4","1") = "6"
    & skf21("7","1","5","7","5","7","5","1") = "6"
    & skf21("7","1","5","7","5","7","6","1") = "6"
    & skf21("7","1","5","7","5","7","7","1") = "6"
    & skf21("7","1","5","7","6","1","1","1") = "6"
    & skf21("7","1","5","7","6","1","2","1") = "6"
    & skf21("7","1","5","7","6","1","3","1") = "6"
    & skf21("7","1","5","7","6","1","4","1") = "6"
    & skf21("7","1","5","7","6","1","5","1") = "6"
    & skf21("7","1","5","7","6","1","6","1") = "6"
    & skf21("7","1","5","7","6","1","7","1") = "6"
    & skf21("7","1","5","7","6","2","1","1") = "6"
    & skf21("7","1","5","7","6","2","2","1") = "6"
    & skf21("7","1","5","7","6","2","3","1") = "6"
    & skf21("7","1","5","7","6","2","4","1") = "6"
    & skf21("7","1","5","7","6","2","5","1") = "6"
    & skf21("7","1","5","7","6","2","6","1") = "6"
    & skf21("7","1","5","7","6","2","7","1") = "6"
    & skf21("7","1","5","7","6","3","1","1") = "6"
    & skf21("7","1","5","7","6","3","2","1") = "6"
    & skf21("7","1","5","7","6","3","3","1") = "6"
    & skf21("7","1","5","7","6","3","4","1") = "6"
    & skf21("7","1","5","7","6","3","5","1") = "6"
    & skf21("7","1","5","7","6","3","6","1") = "6"
    & skf21("7","1","5","7","6","3","7","1") = "6"
    & skf21("7","1","5","7","6","4","1","1") = "6"
    & skf21("7","1","5","7","6","4","2","1") = "6"
    & skf21("7","1","5","7","6","4","3","1") = "6"
    & skf21("7","1","5","7","6","4","4","1") = "6"
    & skf21("7","1","5","7","6","4","5","1") = "6"
    & skf21("7","1","5","7","6","4","6","1") = "6"
    & skf21("7","1","5","7","6","4","7","1") = "6"
    & skf21("7","1","5","7","6","5","1","1") = "6"
    & skf21("7","1","5","7","6","5","2","1") = "6"
    & skf21("7","1","5","7","6","5","3","1") = "6"
    & skf21("7","1","5","7","6","5","4","1") = "6"
    & skf21("7","1","5","7","6","5","5","1") = "6"
    & skf21("7","1","5","7","6","5","6","1") = "6"
    & skf21("7","1","5","7","6","5","7","1") = "6"
    & skf21("7","1","5","7","6","6","1","1") = "6"
    & skf21("7","1","5","7","6","6","2","1") = "6"
    & skf21("7","1","5","7","6","6","3","1") = "6"
    & skf21("7","1","5","7","6","6","4","1") = "6"
    & skf21("7","1","5","7","6","6","5","1") = "6"
    & skf21("7","1","5","7","6","6","6","1") = "6"
    & skf21("7","1","5","7","6","6","7","1") = "6"
    & skf21("7","1","5","7","6","7","1","1") = "6"
    & skf21("7","1","5","7","6","7","2","1") = "6"
    & skf21("7","1","5","7","6","7","3","1") = "6"
    & skf21("7","1","5","7","6","7","4","1") = "6"
    & skf21("7","1","5","7","6","7","5","1") = "6"
    & skf21("7","1","5","7","6","7","6","1") = "6"
    & skf21("7","1","5","7","6","7","7","1") = "6"
    & skf21("7","1","5","7","7","1","1","1") = "6"
    & skf21("7","1","5","7","7","1","2","1") = "6"
    & skf21("7","1","5","7","7","1","3","1") = "6"
    & skf21("7","1","5","7","7","1","4","1") = "6"
    & skf21("7","1","5","7","7","1","5","1") = "6"
    & skf21("7","1","5","7","7","1","6","1") = "6"
    & skf21("7","1","5","7","7","1","7","1") = "6"
    & skf21("7","1","5","7","7","2","1","1") = "6"
    & skf21("7","1","5","7","7","2","2","1") = "6"
    & skf21("7","1","5","7","7","2","3","1") = "6"
    & skf21("7","1","5","7","7","2","4","1") = "6"
    & skf21("7","1","5","7","7","2","5","1") = "6"
    & skf21("7","1","5","7","7","2","6","1") = "6"
    & skf21("7","1","5","7","7","2","7","1") = "6"
    & skf21("7","1","5","7","7","3","1","1") = "6"
    & skf21("7","1","5","7","7","3","2","1") = "6"
    & skf21("7","1","5","7","7","3","3","1") = "6"
    & skf21("7","1","5","7","7","3","4","1") = "6"
    & skf21("7","1","5","7","7","3","5","1") = "6"
    & skf21("7","1","5","7","7","3","6","1") = "6"
    & skf21("7","1","5","7","7","3","7","1") = "6"
    & skf21("7","1","5","7","7","4","1","1") = "6"
    & skf21("7","1","5","7","7","4","2","1") = "6"
    & skf21("7","1","5","7","7","4","3","1") = "6"
    & skf21("7","1","5","7","7","4","4","1") = "6"
    & skf21("7","1","5","7","7","4","5","1") = "6"
    & skf21("7","1","5","7","7","4","6","1") = "6"
    & skf21("7","1","5","7","7","4","7","1") = "6"
    & skf21("7","1","5","7","7","5","1","1") = "6"
    & skf21("7","1","5","7","7","5","2","1") = "6"
    & skf21("7","1","5","7","7","5","3","1") = "6"
    & skf21("7","1","5","7","7","5","4","1") = "6"
    & skf21("7","1","5","7","7","5","5","1") = "6"
    & skf21("7","1","5","7","7","5","6","1") = "6"
    & skf21("7","1","5","7","7","5","7","1") = "6"
    & skf21("7","1","5","7","7","6","1","1") = "6"
    & skf21("7","1","5","7","7","6","2","1") = "6"
    & skf21("7","1","5","7","7","6","3","1") = "6"
    & skf21("7","1","5","7","7","6","4","1") = "6"
    & skf21("7","1","5","7","7","6","5","1") = "6"
    & skf21("7","1","5","7","7","6","6","1") = "6"
    & skf21("7","1","5","7","7","6","7","1") = "6"
    & skf21("7","1","5","7","7","7","1","1") = "6"
    & skf21("7","1","5","7","7","7","2","1") = "6"
    & skf21("7","1","5","7","7","7","3","1") = "6"
    & skf21("7","1","5","7","7","7","4","1") = "6"
    & skf21("7","1","5","7","7","7","5","1") = "6"
    & skf21("7","1","5","7","7","7","6","1") = "6"
    & skf21("7","1","5","7","7","7","7","1") = "6"
    & skf21("7","1","6","1","1","1","1","1") = "6"
    & skf21("7","1","6","1","1","1","2","1") = "6"
    & skf21("7","1","6","1","1","1","3","1") = "6"
    & skf21("7","1","6","1","1","1","4","1") = "6"
    & skf21("7","1","6","1","1","1","5","1") = "6"
    & skf21("7","1","6","1","1","1","6","1") = "6"
    & skf21("7","1","6","1","1","1","7","1") = "6"
    & skf21("7","1","6","1","1","2","1","1") = "6"
    & skf21("7","1","6","1","1","2","2","1") = "6"
    & skf21("7","1","6","1","1","2","3","1") = "6"
    & skf21("7","1","6","1","1","2","4","1") = "6"
    & skf21("7","1","6","1","1","2","5","1") = "6"
    & skf21("7","1","6","1","1","2","6","1") = "6"
    & skf21("7","1","6","1","1","2","7","1") = "6"
    & skf21("7","1","6","1","1","3","1","1") = "6"
    & skf21("7","1","6","1","1","3","2","1") = "6"
    & skf21("7","1","6","1","1","3","3","1") = "6"
    & skf21("7","1","6","1","1","3","4","1") = "6"
    & skf21("7","1","6","1","1","3","5","1") = "6"
    & skf21("7","1","6","1","1","3","6","1") = "6"
    & skf21("7","1","6","1","1","3","7","1") = "6"
    & skf21("7","1","6","1","1","4","1","1") = "6"
    & skf21("7","1","6","1","1","4","2","1") = "6"
    & skf21("7","1","6","1","1","4","3","1") = "6"
    & skf21("7","1","6","1","1","4","4","1") = "6"
    & skf21("7","1","6","1","1","4","5","1") = "6"
    & skf21("7","1","6","1","1","4","6","1") = "6"
    & skf21("7","1","6","1","1","4","7","1") = "6"
    & skf21("7","1","6","1","1","5","1","1") = "6"
    & skf21("7","1","6","1","1","5","2","1") = "6"
    & skf21("7","1","6","1","1","5","3","1") = "6"
    & skf21("7","1","6","1","1","5","4","1") = "6"
    & skf21("7","1","6","1","1","5","5","1") = "6"
    & skf21("7","1","6","1","1","5","6","1") = "6"
    & skf21("7","1","6","1","1","5","7","1") = "6"
    & skf21("7","1","6","1","1","6","1","1") = "6"
    & skf21("7","1","6","1","1","6","2","1") = "6"
    & skf21("7","1","6","1","1","6","3","1") = "6"
    & skf21("7","1","6","1","1","6","4","1") = "6"
    & skf21("7","1","6","1","1","6","5","1") = "6"
    & skf21("7","1","6","1","1","6","6","1") = "6"
    & skf21("7","1","6","1","1","6","7","1") = "6"
    & skf21("7","1","6","1","1","7","1","1") = "6"
    & skf21("7","1","6","1","1","7","2","1") = "6"
    & skf21("7","1","6","1","1","7","3","1") = "6"
    & skf21("7","1","6","1","1","7","4","1") = "6"
    & skf21("7","1","6","1","1","7","5","1") = "6"
    & skf21("7","1","6","1","1","7","6","1") = "6"
    & skf21("7","1","6","1","1","7","7","1") = "6"
    & skf21("7","1","6","1","2","1","1","1") = "6"
    & skf21("7","1","6","1","2","1","2","1") = "6"
    & skf21("7","1","6","1","2","1","3","1") = "6"
    & skf21("7","1","6","1","2","1","4","1") = "6"
    & skf21("7","1","6","1","2","1","5","1") = "6"
    & skf21("7","1","6","1","2","1","6","1") = "6"
    & skf21("7","1","6","1","2","1","7","1") = "6"
    & skf21("7","1","6","1","2","2","1","1") = "6"
    & skf21("7","1","6","1","2","2","2","1") = "6"
    & skf21("7","1","6","1","2","2","3","1") = "6"
    & skf21("7","1","6","1","2","2","4","1") = "6"
    & skf21("7","1","6","1","2","2","5","1") = "6"
    & skf21("7","1","6","1","2","2","6","1") = "6"
    & skf21("7","1","6","1","2","2","7","1") = "6"
    & skf21("7","1","6","1","2","3","1","1") = "6"
    & skf21("7","1","6","1","2","3","2","1") = "6"
    & skf21("7","1","6","1","2","3","3","1") = "6"
    & skf21("7","1","6","1","2","3","4","1") = "6"
    & skf21("7","1","6","1","2","3","5","1") = "6"
    & skf21("7","1","6","1","2","3","6","1") = "6"
    & skf21("7","1","6","1","2","3","7","1") = "6"
    & skf21("7","1","6","1","2","4","1","1") = "6"
    & skf21("7","1","6","1","2","4","2","1") = "6"
    & skf21("7","1","6","1","2","4","3","1") = "6"
    & skf21("7","1","6","1","2","4","4","1") = "6"
    & skf21("7","1","6","1","2","4","5","1") = "6"
    & skf21("7","1","6","1","2","4","6","1") = "6"
    & skf21("7","1","6","1","2","4","7","1") = "6"
    & skf21("7","1","6","1","2","5","1","1") = "6"
    & skf21("7","1","6","1","2","5","2","1") = "6"
    & skf21("7","1","6","1","2","5","3","1") = "6"
    & skf21("7","1","6","1","2","5","4","1") = "6"
    & skf21("7","1","6","1","2","5","5","1") = "6"
    & skf21("7","1","6","1","2","5","6","1") = "6"
    & skf21("7","1","6","1","2","5","7","1") = "6"
    & skf21("7","1","6","1","2","6","1","1") = "6"
    & skf21("7","1","6","1","2","6","2","1") = "6"
    & skf21("7","1","6","1","2","6","3","1") = "6"
    & skf21("7","1","6","1","2","6","4","1") = "6"
    & skf21("7","1","6","1","2","6","5","1") = "6"
    & skf21("7","1","6","1","2","6","6","1") = "6"
    & skf21("7","1","6","1","2","6","7","1") = "6"
    & skf21("7","1","6","1","2","7","1","1") = "6"
    & skf21("7","1","6","1","2","7","2","1") = "6"
    & skf21("7","1","6","1","2","7","3","1") = "6"
    & skf21("7","1","6","1","2","7","4","1") = "6"
    & skf21("7","1","6","1","2","7","5","1") = "6"
    & skf21("7","1","6","1","2","7","6","1") = "6"
    & skf21("7","1","6","1","2","7","7","1") = "6"
    & skf21("7","1","6","1","3","1","1","1") = "6"
    & skf21("7","1","6","1","3","1","2","1") = "6"
    & skf21("7","1","6","1","3","1","3","1") = "6"
    & skf21("7","1","6","1","3","1","4","1") = "6"
    & skf21("7","1","6","1","3","1","5","1") = "6"
    & skf21("7","1","6","1","3","1","6","1") = "6"
    & skf21("7","1","6","1","3","1","7","1") = "6"
    & skf21("7","1","6","1","3","2","1","1") = "6"
    & skf21("7","1","6","1","3","2","2","1") = "6"
    & skf21("7","1","6","1","3","2","3","1") = "6"
    & skf21("7","1","6","1","3","2","4","1") = "6"
    & skf21("7","1","6","1","3","2","5","1") = "6"
    & skf21("7","1","6","1","3","2","6","1") = "6"
    & skf21("7","1","6","1","3","2","7","1") = "6"
    & skf21("7","1","6","1","3","3","1","1") = "6"
    & skf21("7","1","6","1","3","3","2","1") = "6"
    & skf21("7","1","6","1","3","3","3","1") = "6"
    & skf21("7","1","6","1","3","3","4","1") = "6"
    & skf21("7","1","6","1","3","3","5","1") = "6"
    & skf21("7","1","6","1","3","3","6","1") = "6"
    & skf21("7","1","6","1","3","3","7","1") = "6"
    & skf21("7","1","6","1","3","4","1","1") = "6"
    & skf21("7","1","6","1","3","4","2","1") = "6"
    & skf21("7","1","6","1","3","4","3","1") = "6"
    & skf21("7","1","6","1","3","4","4","1") = "6"
    & skf21("7","1","6","1","3","4","5","1") = "6"
    & skf21("7","1","6","1","3","4","6","1") = "6"
    & skf21("7","1","6","1","3","4","7","1") = "6"
    & skf21("7","1","6","1","3","5","1","1") = "6"
    & skf21("7","1","6","1","3","5","2","1") = "6"
    & skf21("7","1","6","1","3","5","3","1") = "6"
    & skf21("7","1","6","1","3","5","4","1") = "6"
    & skf21("7","1","6","1","3","5","5","1") = "6"
    & skf21("7","1","6","1","3","5","6","1") = "6"
    & skf21("7","1","6","1","3","5","7","1") = "6"
    & skf21("7","1","6","1","3","6","1","1") = "6"
    & skf21("7","1","6","1","3","6","2","1") = "6"
    & skf21("7","1","6","1","3","6","3","1") = "6"
    & skf21("7","1","6","1","3","6","4","1") = "6"
    & skf21("7","1","6","1","3","6","5","1") = "6"
    & skf21("7","1","6","1","3","6","6","1") = "6"
    & skf21("7","1","6","1","3","6","7","1") = "6"
    & skf21("7","1","6","1","3","7","1","1") = "6"
    & skf21("7","1","6","1","3","7","2","1") = "6"
    & skf21("7","1","6","1","3","7","3","1") = "6"
    & skf21("7","1","6","1","3","7","4","1") = "6"
    & skf21("7","1","6","1","3","7","5","1") = "6"
    & skf21("7","1","6","1","3","7","6","1") = "6"
    & skf21("7","1","6","1","3","7","7","1") = "6"
    & skf21("7","1","6","1","4","1","1","1") = "6"
    & skf21("7","1","6","1","4","1","2","1") = "6"
    & skf21("7","1","6","1","4","1","3","1") = "6"
    & skf21("7","1","6","1","4","1","4","1") = "6"
    & skf21("7","1","6","1","4","1","5","1") = "6"
    & skf21("7","1","6","1","4","1","6","1") = "6"
    & skf21("7","1","6","1","4","1","7","1") = "6"
    & skf21("7","1","6","1","4","2","1","1") = "6"
    & skf21("7","1","6","1","4","2","2","1") = "6"
    & skf21("7","1","6","1","4","2","3","1") = "6"
    & skf21("7","1","6","1","4","2","4","1") = "6"
    & skf21("7","1","6","1","4","2","5","1") = "6"
    & skf21("7","1","6","1","4","2","6","1") = "6"
    & skf21("7","1","6","1","4","2","7","1") = "6"
    & skf21("7","1","6","1","4","3","1","1") = "6"
    & skf21("7","1","6","1","4","3","2","1") = "6"
    & skf21("7","1","6","1","4","3","3","1") = "6"
    & skf21("7","1","6","1","4","3","4","1") = "6"
    & skf21("7","1","6","1","4","3","5","1") = "6"
    & skf21("7","1","6","1","4","3","6","1") = "6"
    & skf21("7","1","6","1","4","3","7","1") = "6"
    & skf21("7","1","6","1","4","4","1","1") = "6"
    & skf21("7","1","6","1","4","4","2","1") = "6"
    & skf21("7","1","6","1","4","4","3","1") = "6"
    & skf21("7","1","6","1","4","4","4","1") = "6"
    & skf21("7","1","6","1","4","4","5","1") = "6"
    & skf21("7","1","6","1","4","4","6","1") = "6"
    & skf21("7","1","6","1","4","4","7","1") = "6"
    & skf21("7","1","6","1","4","5","1","1") = "6"
    & skf21("7","1","6","1","4","5","2","1") = "6"
    & skf21("7","1","6","1","4","5","3","1") = "6"
    & skf21("7","1","6","1","4","5","4","1") = "6"
    & skf21("7","1","6","1","4","5","5","1") = "6"
    & skf21("7","1","6","1","4","5","6","1") = "6"
    & skf21("7","1","6","1","4","5","7","1") = "6"
    & skf21("7","1","6","1","4","6","1","1") = "6"
    & skf21("7","1","6","1","4","6","2","1") = "6"
    & skf21("7","1","6","1","4","6","3","1") = "6"
    & skf21("7","1","6","1","4","6","4","1") = "6"
    & skf21("7","1","6","1","4","6","5","1") = "6"
    & skf21("7","1","6","1","4","6","6","1") = "6"
    & skf21("7","1","6","1","4","6","7","1") = "6"
    & skf21("7","1","6","1","4","7","1","1") = "6"
    & skf21("7","1","6","1","4","7","2","1") = "6"
    & skf21("7","1","6","1","4","7","3","1") = "6"
    & skf21("7","1","6","1","4","7","4","1") = "6"
    & skf21("7","1","6","1","4","7","5","1") = "6"
    & skf21("7","1","6","1","4","7","6","1") = "6"
    & skf21("7","1","6","1","4","7","7","1") = "6"
    & skf21("7","1","6","1","5","1","1","1") = "6"
    & skf21("7","1","6","1","5","1","2","1") = "6"
    & skf21("7","1","6","1","5","1","3","1") = "6"
    & skf21("7","1","6","1","5","1","4","1") = "6"
    & skf21("7","1","6","1","5","1","5","1") = "6"
    & skf21("7","1","6","1","5","1","6","1") = "6"
    & skf21("7","1","6","1","5","1","7","1") = "6"
    & skf21("7","1","6","1","5","2","1","1") = "6"
    & skf21("7","1","6","1","5","2","2","1") = "6"
    & skf21("7","1","6","1","5","2","3","1") = "6"
    & skf21("7","1","6","1","5","2","4","1") = "6"
    & skf21("7","1","6","1","5","2","5","1") = "6"
    & skf21("7","1","6","1","5","2","6","1") = "6"
    & skf21("7","1","6","1","5","2","7","1") = "6"
    & skf21("7","1","6","1","5","3","1","1") = "6"
    & skf21("7","1","6","1","5","3","2","1") = "6"
    & skf21("7","1","6","1","5","3","3","1") = "6"
    & skf21("7","1","6","1","5","3","4","1") = "6"
    & skf21("7","1","6","1","5","3","5","1") = "6"
    & skf21("7","1","6","1","5","3","6","1") = "6"
    & skf21("7","1","6","1","5","3","7","1") = "6"
    & skf21("7","1","6","1","5","4","1","1") = "6"
    & skf21("7","1","6","1","5","4","2","1") = "6"
    & skf21("7","1","6","1","5","4","3","1") = "6"
    & skf21("7","1","6","1","5","4","4","1") = "6"
    & skf21("7","1","6","1","5","4","5","1") = "6"
    & skf21("7","1","6","1","5","4","6","1") = "6"
    & skf21("7","1","6","1","5","4","7","1") = "6"
    & skf21("7","1","6","1","5","5","1","1") = "6"
    & skf21("7","1","6","1","5","5","2","1") = "6"
    & skf21("7","1","6","1","5","5","3","1") = "6"
    & skf21("7","1","6","1","5","5","4","1") = "6"
    & skf21("7","1","6","1","5","5","5","1") = "6"
    & skf21("7","1","6","1","5","5","6","1") = "6"
    & skf21("7","1","6","1","5","5","7","1") = "6"
    & skf21("7","1","6","1","5","6","1","1") = "6"
    & skf21("7","1","6","1","5","6","2","1") = "6"
    & skf21("7","1","6","1","5","6","3","1") = "6"
    & skf21("7","1","6","1","5","6","4","1") = "6"
    & skf21("7","1","6","1","5","6","5","1") = "6"
    & skf21("7","1","6","1","5","6","6","1") = "6"
    & skf21("7","1","6","1","5","6","7","1") = "6"
    & skf21("7","1","6","1","5","7","1","1") = "6"
    & skf21("7","1","6","1","5","7","2","1") = "6"
    & skf21("7","1","6","1","5","7","3","1") = "6"
    & skf21("7","1","6","1","5","7","4","1") = "6"
    & skf21("7","1","6","1","5","7","5","1") = "6"
    & skf21("7","1","6","1","5","7","6","1") = "6"
    & skf21("7","1","6","1","5","7","7","1") = "6"
    & skf21("7","1","6","1","6","1","1","1") = "6"
    & skf21("7","1","6","1","6","1","2","1") = "6"
    & skf21("7","1","6","1","6","1","3","1") = "6"
    & skf21("7","1","6","1","6","1","4","1") = "6"
    & skf21("7","1","6","1","6","1","5","1") = "6"
    & skf21("7","1","6","1","6","1","6","1") = "6"
    & skf21("7","1","6","1","6","1","7","1") = "6"
    & skf21("7","1","6","1","6","2","1","1") = "6"
    & skf21("7","1","6","1","6","2","2","1") = "6"
    & skf21("7","1","6","1","6","2","3","1") = "6"
    & skf21("7","1","6","1","6","2","4","1") = "6"
    & skf21("7","1","6","1","6","2","5","1") = "6"
    & skf21("7","1","6","1","6","2","6","1") = "6"
    & skf21("7","1","6","1","6","2","7","1") = "6"
    & skf21("7","1","6","1","6","3","1","1") = "6"
    & skf21("7","1","6","1","6","3","2","1") = "6"
    & skf21("7","1","6","1","6","3","3","1") = "6"
    & skf21("7","1","6","1","6","3","4","1") = "6"
    & skf21("7","1","6","1","6","3","5","1") = "6"
    & skf21("7","1","6","1","6","3","6","1") = "6"
    & skf21("7","1","6","1","6","3","7","1") = "6"
    & skf21("7","1","6","1","6","4","1","1") = "6"
    & skf21("7","1","6","1","6","4","2","1") = "6"
    & skf21("7","1","6","1","6","4","3","1") = "6"
    & skf21("7","1","6","1","6","4","4","1") = "6"
    & skf21("7","1","6","1","6","4","5","1") = "6"
    & skf21("7","1","6","1","6","4","6","1") = "6"
    & skf21("7","1","6","1","6","4","7","1") = "6"
    & skf21("7","1","6","1","6","5","1","1") = "6"
    & skf21("7","1","6","1","6","5","2","1") = "6"
    & skf21("7","1","6","1","6","5","3","1") = "6"
    & skf21("7","1","6","1","6","5","4","1") = "6"
    & skf21("7","1","6","1","6","5","5","1") = "6"
    & skf21("7","1","6","1","6","5","6","1") = "6"
    & skf21("7","1","6","1","6","5","7","1") = "6"
    & skf21("7","1","6","1","6","6","1","1") = "6"
    & skf21("7","1","6","1","6","6","2","1") = "6"
    & skf21("7","1","6","1","6","6","3","1") = "6"
    & skf21("7","1","6","1","6","6","4","1") = "6"
    & skf21("7","1","6","1","6","6","5","1") = "6"
    & skf21("7","1","6","1","6","6","6","1") = "6"
    & skf21("7","1","6","1","6","6","7","1") = "6"
    & skf21("7","1","6","1","6","7","1","1") = "6"
    & skf21("7","1","6","1","6","7","2","1") = "6"
    & skf21("7","1","6","1","6","7","3","1") = "6"
    & skf21("7","1","6","1","6","7","4","1") = "6"
    & skf21("7","1","6","1","6","7","5","1") = "6"
    & skf21("7","1","6","1","6","7","6","1") = "6"
    & skf21("7","1","6","1","6","7","7","1") = "6"
    & skf21("7","1","6","1","7","1","1","1") = "6"
    & skf21("7","1","6","1","7","1","2","1") = "6"
    & skf21("7","1","6","1","7","1","3","1") = "6"
    & skf21("7","1","6","1","7","1","4","1") = "6"
    & skf21("7","1","6","1","7","1","5","1") = "6"
    & skf21("7","1","6","1","7","1","6","1") = "6"
    & skf21("7","1","6","1","7","1","7","1") = "6"
    & skf21("7","1","6","1","7","2","1","1") = "6"
    & skf21("7","1","6","1","7","2","2","1") = "6"
    & skf21("7","1","6","1","7","2","3","1") = "6"
    & skf21("7","1","6","1","7","2","4","1") = "6"
    & skf21("7","1","6","1","7","2","5","1") = "6"
    & skf21("7","1","6","1","7","2","6","1") = "6"
    & skf21("7","1","6","1","7","2","7","1") = "6"
    & skf21("7","1","6","1","7","3","1","1") = "6"
    & skf21("7","1","6","1","7","3","2","1") = "6"
    & skf21("7","1","6","1","7","3","3","1") = "6"
    & skf21("7","1","6","1","7","3","4","1") = "6"
    & skf21("7","1","6","1","7","3","5","1") = "6"
    & skf21("7","1","6","1","7","3","6","1") = "6"
    & skf21("7","1","6","1","7","3","7","1") = "6"
    & skf21("7","1","6","1","7","4","1","1") = "6"
    & skf21("7","1","6","1","7","4","2","1") = "6"
    & skf21("7","1","6","1","7","4","3","1") = "6"
    & skf21("7","1","6","1","7","4","4","1") = "6"
    & skf21("7","1","6","1","7","4","5","1") = "6"
    & skf21("7","1","6","1","7","4","6","1") = "6"
    & skf21("7","1","6","1","7","4","7","1") = "6"
    & skf21("7","1","6","1","7","5","1","1") = "6"
    & skf21("7","1","6","1","7","5","2","1") = "6"
    & skf21("7","1","6","1","7","5","3","1") = "6"
    & skf21("7","1","6","1","7","5","4","1") = "6"
    & skf21("7","1","6","1","7","5","5","1") = "6"
    & skf21("7","1","6","1","7","5","6","1") = "6"
    & skf21("7","1","6","1","7","5","7","1") = "6"
    & skf21("7","1","6","1","7","6","1","1") = "6"
    & skf21("7","1","6","1","7","6","2","1") = "6"
    & skf21("7","1","6","1","7","6","3","1") = "6"
    & skf21("7","1","6","1","7","6","4","1") = "6"
    & skf21("7","1","6","1","7","6","5","1") = "6"
    & skf21("7","1","6","1","7","6","6","1") = "6"
    & skf21("7","1","6","1","7","6","7","1") = "6"
    & skf21("7","1","6","1","7","7","1","1") = "6"
    & skf21("7","1","6","1","7","7","2","1") = "6"
    & skf21("7","1","6","1","7","7","3","1") = "6"
    & skf21("7","1","6","1","7","7","4","1") = "6"
    & skf21("7","1","6","1","7","7","5","1") = "6"
    & skf21("7","1","6","1","7","7","6","1") = "6"
    & skf21("7","1","6","1","7","7","7","1") = "6"
    & skf21("7","1","6","2","1","1","1","1") = "6"
    & skf21("7","1","6","2","1","1","2","1") = "6"
    & skf21("7","1","6","2","1","1","3","1") = "6"
    & skf21("7","1","6","2","1","1","4","1") = "6"
    & skf21("7","1","6","2","1","1","5","1") = "6"
    & skf21("7","1","6","2","1","1","6","1") = "6"
    & skf21("7","1","6","2","1","1","7","1") = "6"
    & skf21("7","1","6","2","1","2","1","1") = "6"
    & skf21("7","1","6","2","1","2","2","1") = "6"
    & skf21("7","1","6","2","1","2","3","1") = "6"
    & skf21("7","1","6","2","1","2","4","1") = "6"
    & skf21("7","1","6","2","1","2","5","1") = "6"
    & skf21("7","1","6","2","1","2","6","1") = "6"
    & skf21("7","1","6","2","1","2","7","1") = "6"
    & skf21("7","1","6","2","1","3","1","1") = "6"
    & skf21("7","1","6","2","1","3","2","1") = "6"
    & skf21("7","1","6","2","1","3","3","1") = "6"
    & skf21("7","1","6","2","1","3","4","1") = "6"
    & skf21("7","1","6","2","1","3","5","1") = "6"
    & skf21("7","1","6","2","1","3","6","1") = "6"
    & skf21("7","1","6","2","1","3","7","1") = "6"
    & skf21("7","1","6","2","1","4","1","1") = "6"
    & skf21("7","1","6","2","1","4","2","1") = "6"
    & skf21("7","1","6","2","1","4","3","1") = "6"
    & skf21("7","1","6","2","1","4","4","1") = "6"
    & skf21("7","1","6","2","1","4","5","1") = "6"
    & skf21("7","1","6","2","1","4","6","1") = "6"
    & skf21("7","1","6","2","1","4","7","1") = "6"
    & skf21("7","1","6","2","1","5","1","1") = "6"
    & skf21("7","1","6","2","1","5","2","1") = "6"
    & skf21("7","1","6","2","1","5","3","1") = "6"
    & skf21("7","1","6","2","1","5","4","1") = "6"
    & skf21("7","1","6","2","1","5","5","1") = "6"
    & skf21("7","1","6","2","1","5","6","1") = "6"
    & skf21("7","1","6","2","1","5","7","1") = "6"
    & skf21("7","1","6","2","1","6","1","1") = "6"
    & skf21("7","1","6","2","1","6","2","1") = "6"
    & skf21("7","1","6","2","1","6","3","1") = "6"
    & skf21("7","1","6","2","1","6","4","1") = "6"
    & skf21("7","1","6","2","1","6","5","1") = "6"
    & skf21("7","1","6","2","1","6","6","1") = "6"
    & skf21("7","1","6","2","1","6","7","1") = "6"
    & skf21("7","1","6","2","1","7","1","1") = "6"
    & skf21("7","1","6","2","1","7","2","1") = "6"
    & skf21("7","1","6","2","1","7","3","1") = "6"
    & skf21("7","1","6","2","1","7","4","1") = "6"
    & skf21("7","1","6","2","1","7","5","1") = "6"
    & skf21("7","1","6","2","1","7","6","1") = "6"
    & skf21("7","1","6","2","1","7","7","1") = "6"
    & skf21("7","1","6","2","2","1","1","1") = "6"
    & skf21("7","1","6","2","2","1","2","1") = "6"
    & skf21("7","1","6","2","2","1","3","1") = "6"
    & skf21("7","1","6","2","2","1","4","1") = "6"
    & skf21("7","1","6","2","2","1","5","1") = "6"
    & skf21("7","1","6","2","2","1","6","1") = "6"
    & skf21("7","1","6","2","2","1","7","1") = "6"
    & skf21("7","1","6","2","2","2","1","1") = "6"
    & skf21("7","1","6","2","2","2","2","1") = "6"
    & skf21("7","1","6","2","2","2","3","1") = "6"
    & skf21("7","1","6","2","2","2","4","1") = "6"
    & skf21("7","1","6","2","2","2","5","1") = "6"
    & skf21("7","1","6","2","2","2","6","1") = "6"
    & skf21("7","1","6","2","2","2","7","1") = "6"
    & skf21("7","1","6","2","2","3","1","1") = "6"
    & skf21("7","1","6","2","2","3","2","1") = "6"
    & skf21("7","1","6","2","2","3","3","1") = "6"
    & skf21("7","1","6","2","2","3","4","1") = "6"
    & skf21("7","1","6","2","2","3","5","1") = "6"
    & skf21("7","1","6","2","2","3","6","1") = "6"
    & skf21("7","1","6","2","2","3","7","1") = "6"
    & skf21("7","1","6","2","2","4","1","1") = "6"
    & skf21("7","1","6","2","2","4","2","1") = "6"
    & skf21("7","1","6","2","2","4","3","1") = "6"
    & skf21("7","1","6","2","2","4","4","1") = "6"
    & skf21("7","1","6","2","2","4","5","1") = "6"
    & skf21("7","1","6","2","2","4","6","1") = "6"
    & skf21("7","1","6","2","2","4","7","1") = "6"
    & skf21("7","1","6","2","2","5","1","1") = "6"
    & skf21("7","1","6","2","2","5","2","1") = "6"
    & skf21("7","1","6","2","2","5","3","1") = "6"
    & skf21("7","1","6","2","2","5","4","1") = "6"
    & skf21("7","1","6","2","2","5","5","1") = "6"
    & skf21("7","1","6","2","2","5","6","1") = "6"
    & skf21("7","1","6","2","2","5","7","1") = "6"
    & skf21("7","1","6","2","2","6","1","1") = "6"
    & skf21("7","1","6","2","2","6","2","1") = "6"
    & skf21("7","1","6","2","2","6","3","1") = "6"
    & skf21("7","1","6","2","2","6","4","1") = "6"
    & skf21("7","1","6","2","2","6","5","1") = "6"
    & skf21("7","1","6","2","2","6","6","1") = "6"
    & skf21("7","1","6","2","2","6","7","1") = "6"
    & skf21("7","1","6","2","2","7","1","1") = "6"
    & skf21("7","1","6","2","2","7","2","1") = "6"
    & skf21("7","1","6","2","2","7","3","1") = "6"
    & skf21("7","1","6","2","2","7","4","1") = "6"
    & skf21("7","1","6","2","2","7","5","1") = "6"
    & skf21("7","1","6","2","2","7","6","1") = "6"
    & skf21("7","1","6","2","2","7","7","1") = "6"
    & skf21("7","1","6","2","3","1","1","1") = "6"
    & skf21("7","1","6","2","3","1","2","1") = "6"
    & skf21("7","1","6","2","3","1","3","1") = "6"
    & skf21("7","1","6","2","3","1","4","1") = "6"
    & skf21("7","1","6","2","3","1","5","1") = "6"
    & skf21("7","1","6","2","3","1","6","1") = "6"
    & skf21("7","1","6","2","3","1","7","1") = "6"
    & skf21("7","1","6","2","3","2","1","1") = "6"
    & skf21("7","1","6","2","3","2","2","1") = "6"
    & skf21("7","1","6","2","3","2","3","1") = "6"
    & skf21("7","1","6","2","3","2","4","1") = "6"
    & skf21("7","1","6","2","3","2","5","1") = "6"
    & skf21("7","1","6","2","3","2","6","1") = "6"
    & skf21("7","1","6","2","3","2","7","1") = "6"
    & skf21("7","1","6","2","3","3","1","1") = "6"
    & skf21("7","1","6","2","3","3","2","1") = "6"
    & skf21("7","1","6","2","3","3","3","1") = "6"
    & skf21("7","1","6","2","3","3","4","1") = "6"
    & skf21("7","1","6","2","3","3","5","1") = "6"
    & skf21("7","1","6","2","3","3","6","1") = "6"
    & skf21("7","1","6","2","3","3","7","1") = "6"
    & skf21("7","1","6","2","3","4","1","1") = "6"
    & skf21("7","1","6","2","3","4","2","1") = "6"
    & skf21("7","1","6","2","3","4","3","1") = "6"
    & skf21("7","1","6","2","3","4","4","1") = "6"
    & skf21("7","1","6","2","3","4","5","1") = "6"
    & skf21("7","1","6","2","3","4","6","1") = "6"
    & skf21("7","1","6","2","3","4","7","1") = "6"
    & skf21("7","1","6","2","3","5","1","1") = "6"
    & skf21("7","1","6","2","3","5","2","1") = "6"
    & skf21("7","1","6","2","3","5","3","1") = "6"
    & skf21("7","1","6","2","3","5","4","1") = "6"
    & skf21("7","1","6","2","3","5","5","1") = "6"
    & skf21("7","1","6","2","3","5","6","1") = "6"
    & skf21("7","1","6","2","3","5","7","1") = "6"
    & skf21("7","1","6","2","3","6","1","1") = "6"
    & skf21("7","1","6","2","3","6","2","1") = "6"
    & skf21("7","1","6","2","3","6","3","1") = "6"
    & skf21("7","1","6","2","3","6","4","1") = "6"
    & skf21("7","1","6","2","3","6","5","1") = "6"
    & skf21("7","1","6","2","3","6","6","1") = "6"
    & skf21("7","1","6","2","3","6","7","1") = "6"
    & skf21("7","1","6","2","3","7","1","1") = "6"
    & skf21("7","1","6","2","3","7","2","1") = "6"
    & skf21("7","1","6","2","3","7","3","1") = "6"
    & skf21("7","1","6","2","3","7","4","1") = "6"
    & skf21("7","1","6","2","3","7","5","1") = "6"
    & skf21("7","1","6","2","3","7","6","1") = "6"
    & skf21("7","1","6","2","3","7","7","1") = "6"
    & skf21("7","1","6","2","4","1","1","1") = "6"
    & skf21("7","1","6","2","4","1","2","1") = "6"
    & skf21("7","1","6","2","4","1","3","1") = "6"
    & skf21("7","1","6","2","4","1","4","1") = "6"
    & skf21("7","1","6","2","4","1","5","1") = "6"
    & skf21("7","1","6","2","4","1","6","1") = "6"
    & skf21("7","1","6","2","4","1","7","1") = "6"
    & skf21("7","1","6","2","4","2","1","1") = "6"
    & skf21("7","1","6","2","4","2","2","1") = "6"
    & skf21("7","1","6","2","4","2","3","1") = "6"
    & skf21("7","1","6","2","4","2","4","1") = "6"
    & skf21("7","1","6","2","4","2","5","1") = "6"
    & skf21("7","1","6","2","4","2","6","1") = "6"
    & skf21("7","1","6","2","4","2","7","1") = "6"
    & skf21("7","1","6","2","4","3","1","1") = "6"
    & skf21("7","1","6","2","4","3","2","1") = "6"
    & skf21("7","1","6","2","4","3","3","1") = "6"
    & skf21("7","1","6","2","4","3","4","1") = "6"
    & skf21("7","1","6","2","4","3","5","1") = "6"
    & skf21("7","1","6","2","4","3","6","1") = "6"
    & skf21("7","1","6","2","4","3","7","1") = "6"
    & skf21("7","1","6","2","4","4","1","1") = "6"
    & skf21("7","1","6","2","4","4","2","1") = "6"
    & skf21("7","1","6","2","4","4","3","1") = "6"
    & skf21("7","1","6","2","4","4","4","1") = "6"
    & skf21("7","1","6","2","4","4","5","1") = "6"
    & skf21("7","1","6","2","4","4","6","1") = "6"
    & skf21("7","1","6","2","4","4","7","1") = "6"
    & skf21("7","1","6","2","4","5","1","1") = "6"
    & skf21("7","1","6","2","4","5","2","1") = "6"
    & skf21("7","1","6","2","4","5","3","1") = "6"
    & skf21("7","1","6","2","4","5","4","1") = "6"
    & skf21("7","1","6","2","4","5","5","1") = "6"
    & skf21("7","1","6","2","4","5","6","1") = "6"
    & skf21("7","1","6","2","4","5","7","1") = "6"
    & skf21("7","1","6","2","4","6","1","1") = "6"
    & skf21("7","1","6","2","4","6","2","1") = "6"
    & skf21("7","1","6","2","4","6","3","1") = "6"
    & skf21("7","1","6","2","4","6","4","1") = "6"
    & skf21("7","1","6","2","4","6","5","1") = "6"
    & skf21("7","1","6","2","4","6","6","1") = "6"
    & skf21("7","1","6","2","4","6","7","1") = "6"
    & skf21("7","1","6","2","4","7","1","1") = "6"
    & skf21("7","1","6","2","4","7","2","1") = "6"
    & skf21("7","1","6","2","4","7","3","1") = "6"
    & skf21("7","1","6","2","4","7","4","1") = "6"
    & skf21("7","1","6","2","4","7","5","1") = "6"
    & skf21("7","1","6","2","4","7","6","1") = "6"
    & skf21("7","1","6","2","4","7","7","1") = "6"
    & skf21("7","1","6","2","5","1","1","1") = "6"
    & skf21("7","1","6","2","5","1","2","1") = "6"
    & skf21("7","1","6","2","5","1","3","1") = "6"
    & skf21("7","1","6","2","5","1","4","1") = "6"
    & skf21("7","1","6","2","5","1","5","1") = "6"
    & skf21("7","1","6","2","5","1","6","1") = "6"
    & skf21("7","1","6","2","5","1","7","1") = "6"
    & skf21("7","1","6","2","5","2","1","1") = "6"
    & skf21("7","1","6","2","5","2","2","1") = "6"
    & skf21("7","1","6","2","5","2","3","1") = "6"
    & skf21("7","1","6","2","5","2","4","1") = "6"
    & skf21("7","1","6","2","5","2","5","1") = "6"
    & skf21("7","1","6","2","5","2","6","1") = "6"
    & skf21("7","1","6","2","5","2","7","1") = "6"
    & skf21("7","1","6","2","5","3","1","1") = "6"
    & skf21("7","1","6","2","5","3","2","1") = "6"
    & skf21("7","1","6","2","5","3","3","1") = "6"
    & skf21("7","1","6","2","5","3","4","1") = "6"
    & skf21("7","1","6","2","5","3","5","1") = "6"
    & skf21("7","1","6","2","5","3","6","1") = "6"
    & skf21("7","1","6","2","5","3","7","1") = "6"
    & skf21("7","1","6","2","5","4","1","1") = "6"
    & skf21("7","1","6","2","5","4","2","1") = "6"
    & skf21("7","1","6","2","5","4","3","1") = "6"
    & skf21("7","1","6","2","5","4","4","1") = "6"
    & skf21("7","1","6","2","5","4","5","1") = "6"
    & skf21("7","1","6","2","5","4","6","1") = "6"
    & skf21("7","1","6","2","5","4","7","1") = "6"
    & skf21("7","1","6","2","5","5","1","1") = "6"
    & skf21("7","1","6","2","5","5","2","1") = "6"
    & skf21("7","1","6","2","5","5","3","1") = "6"
    & skf21("7","1","6","2","5","5","4","1") = "6"
    & skf21("7","1","6","2","5","5","5","1") = "6"
    & skf21("7","1","6","2","5","5","6","1") = "6"
    & skf21("7","1","6","2","5","5","7","1") = "6"
    & skf21("7","1","6","2","5","6","1","1") = "6"
    & skf21("7","1","6","2","5","6","2","1") = "6"
    & skf21("7","1","6","2","5","6","3","1") = "6"
    & skf21("7","1","6","2","5","6","4","1") = "6"
    & skf21("7","1","6","2","5","6","5","1") = "6"
    & skf21("7","1","6","2","5","6","6","1") = "6"
    & skf21("7","1","6","2","5","6","7","1") = "6"
    & skf21("7","1","6","2","5","7","1","1") = "6"
    & skf21("7","1","6","2","5","7","2","1") = "6"
    & skf21("7","1","6","2","5","7","3","1") = "6"
    & skf21("7","1","6","2","5","7","4","1") = "6"
    & skf21("7","1","6","2","5","7","5","1") = "6"
    & skf21("7","1","6","2","5","7","6","1") = "6"
    & skf21("7","1","6","2","5","7","7","1") = "6"
    & skf21("7","1","6","2","6","1","1","1") = "6"
    & skf21("7","1","6","2","6","1","2","1") = "6"
    & skf21("7","1","6","2","6","1","3","1") = "6"
    & skf21("7","1","6","2","6","1","4","1") = "6"
    & skf21("7","1","6","2","6","1","5","1") = "6"
    & skf21("7","1","6","2","6","1","6","1") = "6"
    & skf21("7","1","6","2","6","1","7","1") = "6"
    & skf21("7","1","6","2","6","2","1","1") = "6"
    & skf21("7","1","6","2","6","2","2","1") = "6"
    & skf21("7","1","6","2","6","2","3","1") = "6"
    & skf21("7","1","6","2","6","2","4","1") = "6"
    & skf21("7","1","6","2","6","2","5","1") = "6"
    & skf21("7","1","6","2","6","2","6","1") = "6"
    & skf21("7","1","6","2","6","2","7","1") = "6"
    & skf21("7","1","6","2","6","3","1","1") = "6"
    & skf21("7","1","6","2","6","3","2","1") = "6"
    & skf21("7","1","6","2","6","3","3","1") = "6"
    & skf21("7","1","6","2","6","3","4","1") = "6"
    & skf21("7","1","6","2","6","3","5","1") = "6"
    & skf21("7","1","6","2","6","3","6","1") = "6"
    & skf21("7","1","6","2","6","3","7","1") = "6"
    & skf21("7","1","6","2","6","4","1","1") = "6"
    & skf21("7","1","6","2","6","4","2","1") = "6"
    & skf21("7","1","6","2","6","4","3","1") = "6"
    & skf21("7","1","6","2","6","4","4","1") = "6"
    & skf21("7","1","6","2","6","4","5","1") = "6"
    & skf21("7","1","6","2","6","4","6","1") = "6"
    & skf21("7","1","6","2","6","4","7","1") = "6"
    & skf21("7","1","6","2","6","5","1","1") = "6"
    & skf21("7","1","6","2","6","5","2","1") = "6"
    & skf21("7","1","6","2","6","5","3","1") = "6"
    & skf21("7","1","6","2","6","5","4","1") = "6"
    & skf21("7","1","6","2","6","5","5","1") = "6"
    & skf21("7","1","6","2","6","5","6","1") = "6"
    & skf21("7","1","6","2","6","5","7","1") = "6"
    & skf21("7","1","6","2","6","6","1","1") = "6"
    & skf21("7","1","6","2","6","6","2","1") = "6"
    & skf21("7","1","6","2","6","6","3","1") = "6"
    & skf21("7","1","6","2","6","6","4","1") = "6"
    & skf21("7","1","6","2","6","6","5","1") = "6"
    & skf21("7","1","6","2","6","6","6","1") = "6"
    & skf21("7","1","6","2","6","6","7","1") = "6"
    & skf21("7","1","6","2","6","7","1","1") = "6"
    & skf21("7","1","6","2","6","7","2","1") = "6"
    & skf21("7","1","6","2","6","7","3","1") = "6"
    & skf21("7","1","6","2","6","7","4","1") = "6"
    & skf21("7","1","6","2","6","7","5","1") = "6"
    & skf21("7","1","6","2","6","7","6","1") = "6"
    & skf21("7","1","6","2","6","7","7","1") = "6"
    & skf21("7","1","6","2","7","1","1","1") = "6"
    & skf21("7","1","6","2","7","1","2","1") = "6"
    & skf21("7","1","6","2","7","1","3","1") = "6"
    & skf21("7","1","6","2","7","1","4","1") = "6"
    & skf21("7","1","6","2","7","1","5","1") = "6"
    & skf21("7","1","6","2","7","1","6","1") = "6"
    & skf21("7","1","6","2","7","1","7","1") = "6"
    & skf21("7","1","6","2","7","2","1","1") = "6"
    & skf21("7","1","6","2","7","2","2","1") = "6"
    & skf21("7","1","6","2","7","2","3","1") = "6"
    & skf21("7","1","6","2","7","2","4","1") = "6"
    & skf21("7","1","6","2","7","2","5","1") = "6"
    & skf21("7","1","6","2","7","2","6","1") = "6"
    & skf21("7","1","6","2","7","2","7","1") = "6"
    & skf21("7","1","6","2","7","3","1","1") = "6"
    & skf21("7","1","6","2","7","3","2","1") = "6"
    & skf21("7","1","6","2","7","3","3","1") = "6"
    & skf21("7","1","6","2","7","3","4","1") = "6"
    & skf21("7","1","6","2","7","3","5","1") = "6"
    & skf21("7","1","6","2","7","3","6","1") = "6"
    & skf21("7","1","6","2","7","3","7","1") = "6"
    & skf21("7","1","6","2","7","4","1","1") = "6"
    & skf21("7","1","6","2","7","4","2","1") = "6"
    & skf21("7","1","6","2","7","4","3","1") = "6"
    & skf21("7","1","6","2","7","4","4","1") = "6"
    & skf21("7","1","6","2","7","4","5","1") = "6"
    & skf21("7","1","6","2","7","4","6","1") = "6"
    & skf21("7","1","6","2","7","4","7","1") = "6"
    & skf21("7","1","6","2","7","5","1","1") = "6"
    & skf21("7","1","6","2","7","5","2","1") = "6"
    & skf21("7","1","6","2","7","5","3","1") = "6"
    & skf21("7","1","6","2","7","5","4","1") = "6"
    & skf21("7","1","6","2","7","5","5","1") = "6"
    & skf21("7","1","6","2","7","5","6","1") = "6"
    & skf21("7","1","6","2","7","5","7","1") = "6"
    & skf21("7","1","6","2","7","6","1","1") = "6"
    & skf21("7","1","6","2","7","6","2","1") = "6"
    & skf21("7","1","6","2","7","6","3","1") = "6"
    & skf21("7","1","6","2","7","6","4","1") = "6"
    & skf21("7","1","6","2","7","6","5","1") = "6"
    & skf21("7","1","6","2","7","6","6","1") = "6"
    & skf21("7","1","6","2","7","6","7","1") = "6"
    & skf21("7","1","6","2","7","7","1","1") = "6"
    & skf21("7","1","6","2","7","7","2","1") = "6"
    & skf21("7","1","6","2","7","7","3","1") = "6"
    & skf21("7","1","6","2","7","7","4","1") = "6"
    & skf21("7","1","6","2","7","7","5","1") = "6"
    & skf21("7","1","6","2","7","7","6","1") = "6"
    & skf21("7","1","6","2","7","7","7","1") = "6"
    & skf21("7","1","6","3","1","1","1","1") = "6"
    & skf21("7","1","6","3","1","1","2","1") = "6"
    & skf21("7","1","6","3","1","1","3","1") = "6"
    & skf21("7","1","6","3","1","1","4","1") = "6"
    & skf21("7","1","6","3","1","1","5","1") = "6"
    & skf21("7","1","6","3","1","1","6","1") = "6"
    & skf21("7","1","6","3","1","1","7","1") = "6"
    & skf21("7","1","6","3","1","2","1","1") = "6"
    & skf21("7","1","6","3","1","2","2","1") = "6"
    & skf21("7","1","6","3","1","2","3","1") = "6"
    & skf21("7","1","6","3","1","2","4","1") = "6"
    & skf21("7","1","6","3","1","2","5","1") = "6"
    & skf21("7","1","6","3","1","2","6","1") = "6"
    & skf21("7","1","6","3","1","2","7","1") = "6"
    & skf21("7","1","6","3","1","3","1","1") = "6"
    & skf21("7","1","6","3","1","3","2","1") = "6"
    & skf21("7","1","6","3","1","3","3","1") = "6"
    & skf21("7","1","6","3","1","3","4","1") = "6"
    & skf21("7","1","6","3","1","3","5","1") = "6"
    & skf21("7","1","6","3","1","3","6","1") = "6"
    & skf21("7","1","6","3","1","3","7","1") = "6"
    & skf21("7","1","6","3","1","4","1","1") = "6"
    & skf21("7","1","6","3","1","4","2","1") = "6"
    & skf21("7","1","6","3","1","4","3","1") = "6"
    & skf21("7","1","6","3","1","4","4","1") = "6"
    & skf21("7","1","6","3","1","4","5","1") = "6"
    & skf21("7","1","6","3","1","4","6","1") = "6"
    & skf21("7","1","6","3","1","4","7","1") = "6"
    & skf21("7","1","6","3","1","5","1","1") = "6"
    & skf21("7","1","6","3","1","5","2","1") = "6"
    & skf21("7","1","6","3","1","5","3","1") = "6"
    & skf21("7","1","6","3","1","5","4","1") = "6"
    & skf21("7","1","6","3","1","5","5","1") = "6"
    & skf21("7","1","6","3","1","5","6","1") = "6"
    & skf21("7","1","6","3","1","5","7","1") = "6"
    & skf21("7","1","6","3","1","6","1","1") = "6"
    & skf21("7","1","6","3","1","6","2","1") = "6"
    & skf21("7","1","6","3","1","6","3","1") = "6"
    & skf21("7","1","6","3","1","6","4","1") = "6"
    & skf21("7","1","6","3","1","6","5","1") = "6"
    & skf21("7","1","6","3","1","6","6","1") = "6"
    & skf21("7","1","6","3","1","6","7","1") = "6"
    & skf21("7","1","6","3","1","7","1","1") = "6"
    & skf21("7","1","6","3","1","7","2","1") = "6"
    & skf21("7","1","6","3","1","7","3","1") = "6"
    & skf21("7","1","6","3","1","7","4","1") = "6"
    & skf21("7","1","6","3","1","7","5","1") = "6"
    & skf21("7","1","6","3","1","7","6","1") = "6"
    & skf21("7","1","6","3","1","7","7","1") = "6"
    & skf21("7","1","6","3","2","1","1","1") = "6"
    & skf21("7","1","6","3","2","1","2","1") = "6"
    & skf21("7","1","6","3","2","1","3","1") = "6"
    & skf21("7","1","6","3","2","1","4","1") = "6"
    & skf21("7","1","6","3","2","1","5","1") = "6"
    & skf21("7","1","6","3","2","1","6","1") = "6"
    & skf21("7","1","6","3","2","1","7","1") = "6"
    & skf21("7","1","6","3","2","2","1","1") = "6"
    & skf21("7","1","6","3","2","2","2","1") = "6"
    & skf21("7","1","6","3","2","2","3","1") = "6"
    & skf21("7","1","6","3","2","2","4","1") = "6"
    & skf21("7","1","6","3","2","2","5","1") = "6"
    & skf21("7","1","6","3","2","2","6","1") = "6"
    & skf21("7","1","6","3","2","2","7","1") = "6"
    & skf21("7","1","6","3","2","3","1","1") = "6"
    & skf21("7","1","6","3","2","3","2","1") = "6"
    & skf21("7","1","6","3","2","3","3","1") = "6"
    & skf21("7","1","6","3","2","3","4","1") = "6"
    & skf21("7","1","6","3","2","3","5","1") = "6"
    & skf21("7","1","6","3","2","3","6","1") = "6"
    & skf21("7","1","6","3","2","3","7","1") = "6"
    & skf21("7","1","6","3","2","4","1","1") = "6"
    & skf21("7","1","6","3","2","4","2","1") = "6"
    & skf21("7","1","6","3","2","4","3","1") = "6"
    & skf21("7","1","6","3","2","4","4","1") = "6"
    & skf21("7","1","6","3","2","4","5","1") = "6"
    & skf21("7","1","6","3","2","4","6","1") = "6"
    & skf21("7","1","6","3","2","4","7","1") = "6"
    & skf21("7","1","6","3","2","5","1","1") = "6"
    & skf21("7","1","6","3","2","5","2","1") = "6"
    & skf21("7","1","6","3","2","5","3","1") = "6"
    & skf21("7","1","6","3","2","5","4","1") = "6"
    & skf21("7","1","6","3","2","5","5","1") = "6"
    & skf21("7","1","6","3","2","5","6","1") = "6"
    & skf21("7","1","6","3","2","5","7","1") = "6"
    & skf21("7","1","6","3","2","6","1","1") = "6"
    & skf21("7","1","6","3","2","6","2","1") = "6"
    & skf21("7","1","6","3","2","6","3","1") = "6"
    & skf21("7","1","6","3","2","6","4","1") = "6"
    & skf21("7","1","6","3","2","6","5","1") = "6"
    & skf21("7","1","6","3","2","6","6","1") = "6"
    & skf21("7","1","6","3","2","6","7","1") = "6"
    & skf21("7","1","6","3","2","7","1","1") = "6"
    & skf21("7","1","6","3","2","7","2","1") = "6"
    & skf21("7","1","6","3","2","7","3","1") = "6"
    & skf21("7","1","6","3","2","7","4","1") = "6"
    & skf21("7","1","6","3","2","7","5","1") = "6"
    & skf21("7","1","6","3","2","7","6","1") = "6"
    & skf21("7","1","6","3","2","7","7","1") = "6"
    & skf21("7","1","6","3","3","1","1","1") = "6"
    & skf21("7","1","6","3","3","1","2","1") = "6"
    & skf21("7","1","6","3","3","1","3","1") = "6"
    & skf21("7","1","6","3","3","1","4","1") = "6"
    & skf21("7","1","6","3","3","1","5","1") = "6"
    & skf21("7","1","6","3","3","1","6","1") = "6"
    & skf21("7","1","6","3","3","1","7","1") = "6"
    & skf21("7","1","6","3","3","2","1","1") = "6"
    & skf21("7","1","6","3","3","2","2","1") = "6"
    & skf21("7","1","6","3","3","2","3","1") = "6"
    & skf21("7","1","6","3","3","2","4","1") = "6"
    & skf21("7","1","6","3","3","2","5","1") = "6"
    & skf21("7","1","6","3","3","2","6","1") = "6"
    & skf21("7","1","6","3","3","2","7","1") = "6"
    & skf21("7","1","6","3","3","3","1","1") = "6"
    & skf21("7","1","6","3","3","3","2","1") = "6"
    & skf21("7","1","6","3","3","3","3","1") = "6"
    & skf21("7","1","6","3","3","3","4","1") = "6"
    & skf21("7","1","6","3","3","3","5","1") = "6"
    & skf21("7","1","6","3","3","3","6","1") = "6"
    & skf21("7","1","6","3","3","3","7","1") = "6"
    & skf21("7","1","6","3","3","4","1","1") = "6"
    & skf21("7","1","6","3","3","4","2","1") = "6"
    & skf21("7","1","6","3","3","4","3","1") = "6"
    & skf21("7","1","6","3","3","4","4","1") = "6"
    & skf21("7","1","6","3","3","4","5","1") = "6"
    & skf21("7","1","6","3","3","4","6","1") = "6"
    & skf21("7","1","6","3","3","4","7","1") = "6"
    & skf21("7","1","6","3","3","5","1","1") = "6"
    & skf21("7","1","6","3","3","5","2","1") = "6"
    & skf21("7","1","6","3","3","5","3","1") = "6"
    & skf21("7","1","6","3","3","5","4","1") = "6"
    & skf21("7","1","6","3","3","5","5","1") = "6"
    & skf21("7","1","6","3","3","5","6","1") = "6"
    & skf21("7","1","6","3","3","5","7","1") = "6"
    & skf21("7","1","6","3","3","6","1","1") = "6"
    & skf21("7","1","6","3","3","6","2","1") = "6"
    & skf21("7","1","6","3","3","6","3","1") = "6"
    & skf21("7","1","6","3","3","6","4","1") = "6"
    & skf21("7","1","6","3","3","6","5","1") = "6"
    & skf21("7","1","6","3","3","6","6","1") = "6"
    & skf21("7","1","6","3","3","6","7","1") = "6"
    & skf21("7","1","6","3","3","7","1","1") = "6"
    & skf21("7","1","6","3","3","7","2","1") = "6"
    & skf21("7","1","6","3","3","7","3","1") = "6"
    & skf21("7","1","6","3","3","7","4","1") = "6"
    & skf21("7","1","6","3","3","7","5","1") = "6"
    & skf21("7","1","6","3","3","7","6","1") = "6"
    & skf21("7","1","6","3","3","7","7","1") = "6"
    & skf21("7","1","6","3","4","1","1","1") = "6"
    & skf21("7","1","6","3","4","1","2","1") = "6"
    & skf21("7","1","6","3","4","1","3","1") = "6"
    & skf21("7","1","6","3","4","1","4","1") = "6"
    & skf21("7","1","6","3","4","1","5","1") = "6"
    & skf21("7","1","6","3","4","1","6","1") = "6"
    & skf21("7","1","6","3","4","1","7","1") = "6"
    & skf21("7","1","6","3","4","2","1","1") = "6"
    & skf21("7","1","6","3","4","2","2","1") = "6"
    & skf21("7","1","6","3","4","2","3","1") = "6"
    & skf21("7","1","6","3","4","2","4","1") = "6"
    & skf21("7","1","6","3","4","2","5","1") = "6"
    & skf21("7","1","6","3","4","2","6","1") = "6"
    & skf21("7","1","6","3","4","2","7","1") = "6"
    & skf21("7","1","6","3","4","3","1","1") = "6"
    & skf21("7","1","6","3","4","3","2","1") = "6"
    & skf21("7","1","6","3","4","3","3","1") = "6"
    & skf21("7","1","6","3","4","3","4","1") = "6"
    & skf21("7","1","6","3","4","3","5","1") = "6"
    & skf21("7","1","6","3","4","3","6","1") = "6"
    & skf21("7","1","6","3","4","3","7","1") = "6"
    & skf21("7","1","6","3","4","4","1","1") = "6"
    & skf21("7","1","6","3","4","4","2","1") = "6"
    & skf21("7","1","6","3","4","4","3","1") = "6"
    & skf21("7","1","6","3","4","4","4","1") = "6"
    & skf21("7","1","6","3","4","4","5","1") = "6"
    & skf21("7","1","6","3","4","4","6","1") = "6"
    & skf21("7","1","6","3","4","4","7","1") = "6"
    & skf21("7","1","6","3","4","5","1","1") = "6"
    & skf21("7","1","6","3","4","5","2","1") = "6"
    & skf21("7","1","6","3","4","5","3","1") = "6"
    & skf21("7","1","6","3","4","5","4","1") = "6"
    & skf21("7","1","6","3","4","5","5","1") = "6"
    & skf21("7","1","6","3","4","5","6","1") = "6"
    & skf21("7","1","6","3","4","5","7","1") = "6"
    & skf21("7","1","6","3","4","6","1","1") = "6"
    & skf21("7","1","6","3","4","6","2","1") = "6"
    & skf21("7","1","6","3","4","6","3","1") = "6"
    & skf21("7","1","6","3","4","6","4","1") = "6"
    & skf21("7","1","6","3","4","6","5","1") = "6"
    & skf21("7","1","6","3","4","6","6","1") = "6"
    & skf21("7","1","6","3","4","6","7","1") = "6"
    & skf21("7","1","6","3","4","7","1","1") = "6"
    & skf21("7","1","6","3","4","7","2","1") = "6"
    & skf21("7","1","6","3","4","7","3","1") = "6"
    & skf21("7","1","6","3","4","7","4","1") = "6"
    & skf21("7","1","6","3","4","7","5","1") = "6"
    & skf21("7","1","6","3","4","7","6","1") = "6"
    & skf21("7","1","6","3","4","7","7","1") = "6"
    & skf21("7","1","6","3","5","1","1","1") = "6"
    & skf21("7","1","6","3","5","1","2","1") = "6"
    & skf21("7","1","6","3","5","1","3","1") = "6"
    & skf21("7","1","6","3","5","1","4","1") = "6"
    & skf21("7","1","6","3","5","1","5","1") = "6"
    & skf21("7","1","6","3","5","1","6","1") = "6"
    & skf21("7","1","6","3","5","1","7","1") = "6"
    & skf21("7","1","6","3","5","2","1","1") = "6"
    & skf21("7","1","6","3","5","2","2","1") = "6"
    & skf21("7","1","6","3","5","2","3","1") = "6"
    & skf21("7","1","6","3","5","2","4","1") = "6"
    & skf21("7","1","6","3","5","2","5","1") = "6"
    & skf21("7","1","6","3","5","2","6","1") = "6"
    & skf21("7","1","6","3","5","2","7","1") = "6"
    & skf21("7","1","6","3","5","3","1","1") = "6"
    & skf21("7","1","6","3","5","3","2","1") = "6"
    & skf21("7","1","6","3","5","3","3","1") = "6"
    & skf21("7","1","6","3","5","3","4","1") = "6"
    & skf21("7","1","6","3","5","3","5","1") = "6"
    & skf21("7","1","6","3","5","3","6","1") = "6"
    & skf21("7","1","6","3","5","3","7","1") = "6"
    & skf21("7","1","6","3","5","4","1","1") = "6"
    & skf21("7","1","6","3","5","4","2","1") = "6"
    & skf21("7","1","6","3","5","4","3","1") = "6"
    & skf21("7","1","6","3","5","4","4","1") = "6"
    & skf21("7","1","6","3","5","4","5","1") = "6"
    & skf21("7","1","6","3","5","4","6","1") = "6"
    & skf21("7","1","6","3","5","4","7","1") = "6"
    & skf21("7","1","6","3","5","5","1","1") = "6"
    & skf21("7","1","6","3","5","5","2","1") = "6"
    & skf21("7","1","6","3","5","5","3","1") = "6"
    & skf21("7","1","6","3","5","5","4","1") = "6"
    & skf21("7","1","6","3","5","5","5","1") = "6"
    & skf21("7","1","6","3","5","5","6","1") = "6"
    & skf21("7","1","6","3","5","5","7","1") = "6"
    & skf21("7","1","6","3","5","6","1","1") = "6"
    & skf21("7","1","6","3","5","6","2","1") = "6"
    & skf21("7","1","6","3","5","6","3","1") = "6"
    & skf21("7","1","6","3","5","6","4","1") = "6"
    & skf21("7","1","6","3","5","6","5","1") = "6"
    & skf21("7","1","6","3","5","6","6","1") = "6"
    & skf21("7","1","6","3","5","6","7","1") = "6"
    & skf21("7","1","6","3","5","7","1","1") = "6"
    & skf21("7","1","6","3","5","7","2","1") = "6"
    & skf21("7","1","6","3","5","7","3","1") = "6"
    & skf21("7","1","6","3","5","7","4","1") = "6"
    & skf21("7","1","6","3","5","7","5","1") = "6"
    & skf21("7","1","6","3","5","7","6","1") = "6"
    & skf21("7","1","6","3","5","7","7","1") = "6"
    & skf21("7","1","6","3","6","1","1","1") = "6"
    & skf21("7","1","6","3","6","1","2","1") = "6"
    & skf21("7","1","6","3","6","1","3","1") = "6"
    & skf21("7","1","6","3","6","1","4","1") = "6"
    & skf21("7","1","6","3","6","1","5","1") = "6"
    & skf21("7","1","6","3","6","1","6","1") = "6"
    & skf21("7","1","6","3","6","1","7","1") = "6"
    & skf21("7","1","6","3","6","2","1","1") = "6"
    & skf21("7","1","6","3","6","2","2","1") = "6"
    & skf21("7","1","6","3","6","2","3","1") = "6"
    & skf21("7","1","6","3","6","2","4","1") = "6"
    & skf21("7","1","6","3","6","2","5","1") = "6"
    & skf21("7","1","6","3","6","2","6","1") = "6"
    & skf21("7","1","6","3","6","2","7","1") = "6"
    & skf21("7","1","6","3","6","3","1","1") = "6"
    & skf21("7","1","6","3","6","3","2","1") = "6"
    & skf21("7","1","6","3","6","3","3","1") = "6"
    & skf21("7","1","6","3","6","3","4","1") = "6"
    & skf21("7","1","6","3","6","3","5","1") = "6"
    & skf21("7","1","6","3","6","3","6","1") = "6"
    & skf21("7","1","6","3","6","3","7","1") = "6"
    & skf21("7","1","6","3","6","4","1","1") = "6"
    & skf21("7","1","6","3","6","4","2","1") = "6"
    & skf21("7","1","6","3","6","4","3","1") = "6"
    & skf21("7","1","6","3","6","4","4","1") = "6"
    & skf21("7","1","6","3","6","4","5","1") = "6"
    & skf21("7","1","6","3","6","4","6","1") = "6"
    & skf21("7","1","6","3","6","4","7","1") = "6"
    & skf21("7","1","6","3","6","5","1","1") = "6"
    & skf21("7","1","6","3","6","5","2","1") = "6"
    & skf21("7","1","6","3","6","5","3","1") = "6"
    & skf21("7","1","6","3","6","5","4","1") = "6"
    & skf21("7","1","6","3","6","5","5","1") = "6"
    & skf21("7","1","6","3","6","5","6","1") = "6"
    & skf21("7","1","6","3","6","5","7","1") = "6"
    & skf21("7","1","6","3","6","6","1","1") = "6"
    & skf21("7","1","6","3","6","6","2","1") = "6"
    & skf21("7","1","6","3","6","6","3","1") = "6"
    & skf21("7","1","6","3","6","6","4","1") = "6"
    & skf21("7","1","6","3","6","6","5","1") = "6"
    & skf21("7","1","6","3","6","6","6","1") = "6"
    & skf21("7","1","6","3","6","6","7","1") = "6"
    & skf21("7","1","6","3","6","7","1","1") = "6"
    & skf21("7","1","6","3","6","7","2","1") = "6"
    & skf21("7","1","6","3","6","7","3","1") = "6"
    & skf21("7","1","6","3","6","7","4","1") = "6"
    & skf21("7","1","6","3","6","7","5","1") = "6"
    & skf21("7","1","6","3","6","7","6","1") = "6"
    & skf21("7","1","6","3","6","7","7","1") = "6"
    & skf21("7","1","6","3","7","1","1","1") = "6"
    & skf21("7","1","6","3","7","1","2","1") = "6"
    & skf21("7","1","6","3","7","1","3","1") = "6"
    & skf21("7","1","6","3","7","1","4","1") = "6"
    & skf21("7","1","6","3","7","1","5","1") = "6"
    & skf21("7","1","6","3","7","1","6","1") = "6"
    & skf21("7","1","6","3","7","1","7","1") = "6"
    & skf21("7","1","6","3","7","2","1","1") = "6"
    & skf21("7","1","6","3","7","2","2","1") = "6"
    & skf21("7","1","6","3","7","2","3","1") = "6"
    & skf21("7","1","6","3","7","2","4","1") = "6"
    & skf21("7","1","6","3","7","2","5","1") = "6"
    & skf21("7","1","6","3","7","2","6","1") = "6"
    & skf21("7","1","6","3","7","2","7","1") = "6"
    & skf21("7","1","6","3","7","3","1","1") = "6"
    & skf21("7","1","6","3","7","3","2","1") = "6"
    & skf21("7","1","6","3","7","3","3","1") = "6"
    & skf21("7","1","6","3","7","3","4","1") = "6"
    & skf21("7","1","6","3","7","3","5","1") = "6"
    & skf21("7","1","6","3","7","3","6","1") = "6"
    & skf21("7","1","6","3","7","3","7","1") = "6"
    & skf21("7","1","6","3","7","4","1","1") = "6"
    & skf21("7","1","6","3","7","4","2","1") = "6"
    & skf21("7","1","6","3","7","4","3","1") = "6"
    & skf21("7","1","6","3","7","4","4","1") = "6"
    & skf21("7","1","6","3","7","4","5","1") = "6"
    & skf21("7","1","6","3","7","4","6","1") = "6"
    & skf21("7","1","6","3","7","4","7","1") = "6"
    & skf21("7","1","6","3","7","5","1","1") = "6"
    & skf21("7","1","6","3","7","5","2","1") = "6"
    & skf21("7","1","6","3","7","5","3","1") = "6"
    & skf21("7","1","6","3","7","5","4","1") = "6"
    & skf21("7","1","6","3","7","5","5","1") = "6"
    & skf21("7","1","6","3","7","5","6","1") = "6"
    & skf21("7","1","6","3","7","5","7","1") = "6"
    & skf21("7","1","6","3","7","6","1","1") = "6"
    & skf21("7","1","6","3","7","6","2","1") = "6"
    & skf21("7","1","6","3","7","6","3","1") = "6"
    & skf21("7","1","6","3","7","6","4","1") = "6"
    & skf21("7","1","6","3","7","6","5","1") = "6"
    & skf21("7","1","6","3","7","6","6","1") = "6"
    & skf21("7","1","6","3","7","6","7","1") = "6"
    & skf21("7","1","6","3","7","7","1","1") = "6"
    & skf21("7","1","6","3","7","7","2","1") = "6"
    & skf21("7","1","6","3","7","7","3","1") = "6"
    & skf21("7","1","6","3","7","7","4","1") = "6"
    & skf21("7","1","6","3","7","7","5","1") = "6"
    & skf21("7","1","6","3","7","7","6","1") = "6"
    & skf21("7","1","6","3","7","7","7","1") = "6"
    & skf21("7","1","6","4","1","1","1","1") = "6"
    & skf21("7","1","6","4","1","1","2","1") = "6"
    & skf21("7","1","6","4","1","1","3","1") = "6"
    & skf21("7","1","6","4","1","1","4","1") = "6"
    & skf21("7","1","6","4","1","1","5","1") = "6"
    & skf21("7","1","6","4","1","1","6","1") = "6"
    & skf21("7","1","6","4","1","1","7","1") = "6"
    & skf21("7","1","6","4","1","2","1","1") = "6"
    & skf21("7","1","6","4","1","2","2","1") = "6"
    & skf21("7","1","6","4","1","2","3","1") = "6"
    & skf21("7","1","6","4","1","2","4","1") = "6"
    & skf21("7","1","6","4","1","2","5","1") = "6"
    & skf21("7","1","6","4","1","2","6","1") = "6"
    & skf21("7","1","6","4","1","2","7","1") = "6"
    & skf21("7","1","6","4","1","3","1","1") = "6"
    & skf21("7","1","6","4","1","3","2","1") = "6"
    & skf21("7","1","6","4","1","3","3","1") = "6"
    & skf21("7","1","6","4","1","3","4","1") = "6"
    & skf21("7","1","6","4","1","3","5","1") = "6"
    & skf21("7","1","6","4","1","3","6","1") = "6"
    & skf21("7","1","6","4","1","3","7","1") = "6"
    & skf21("7","1","6","4","1","4","1","1") = "6"
    & skf21("7","1","6","4","1","4","2","1") = "6"
    & skf21("7","1","6","4","1","4","3","1") = "6"
    & skf21("7","1","6","4","1","4","4","1") = "6"
    & skf21("7","1","6","4","1","4","5","1") = "6"
    & skf21("7","1","6","4","1","4","6","1") = "6"
    & skf21("7","1","6","4","1","4","7","1") = "6"
    & skf21("7","1","6","4","1","5","1","1") = "6"
    & skf21("7","1","6","4","1","5","2","1") = "6"
    & skf21("7","1","6","4","1","5","3","1") = "6"
    & skf21("7","1","6","4","1","5","4","1") = "6"
    & skf21("7","1","6","4","1","5","5","1") = "6"
    & skf21("7","1","6","4","1","5","6","1") = "6"
    & skf21("7","1","6","4","1","5","7","1") = "6"
    & skf21("7","1","6","4","1","6","1","1") = "6"
    & skf21("7","1","6","4","1","6","2","1") = "6"
    & skf21("7","1","6","4","1","6","3","1") = "6"
    & skf21("7","1","6","4","1","6","4","1") = "6"
    & skf21("7","1","6","4","1","6","5","1") = "6"
    & skf21("7","1","6","4","1","6","6","1") = "6"
    & skf21("7","1","6","4","1","6","7","1") = "6"
    & skf21("7","1","6","4","1","7","1","1") = "6"
    & skf21("7","1","6","4","1","7","2","1") = "6"
    & skf21("7","1","6","4","1","7","3","1") = "6"
    & skf21("7","1","6","4","1","7","4","1") = "6"
    & skf21("7","1","6","4","1","7","5","1") = "6"
    & skf21("7","1","6","4","1","7","6","1") = "6"
    & skf21("7","1","6","4","1","7","7","1") = "6"
    & skf21("7","1","6","4","2","1","1","1") = "6"
    & skf21("7","1","6","4","2","1","2","1") = "6"
    & skf21("7","1","6","4","2","1","3","1") = "6"
    & skf21("7","1","6","4","2","1","4","1") = "6"
    & skf21("7","1","6","4","2","1","5","1") = "6"
    & skf21("7","1","6","4","2","1","6","1") = "6"
    & skf21("7","1","6","4","2","1","7","1") = "6"
    & skf21("7","1","6","4","2","2","1","1") = "6"
    & skf21("7","1","6","4","2","2","2","1") = "6"
    & skf21("7","1","6","4","2","2","3","1") = "6"
    & skf21("7","1","6","4","2","2","4","1") = "6"
    & skf21("7","1","6","4","2","2","5","1") = "6"
    & skf21("7","1","6","4","2","2","6","1") = "6"
    & skf21("7","1","6","4","2","2","7","1") = "6"
    & skf21("7","1","6","4","2","3","1","1") = "6"
    & skf21("7","1","6","4","2","3","2","1") = "6"
    & skf21("7","1","6","4","2","3","3","1") = "6"
    & skf21("7","1","6","4","2","3","4","1") = "6"
    & skf21("7","1","6","4","2","3","5","1") = "6"
    & skf21("7","1","6","4","2","3","6","1") = "6"
    & skf21("7","1","6","4","2","3","7","1") = "6"
    & skf21("7","1","6","4","2","4","1","1") = "6"
    & skf21("7","1","6","4","2","4","2","1") = "6"
    & skf21("7","1","6","4","2","4","3","1") = "6"
    & skf21("7","1","6","4","2","4","4","1") = "6"
    & skf21("7","1","6","4","2","4","5","1") = "6"
    & skf21("7","1","6","4","2","4","6","1") = "6"
    & skf21("7","1","6","4","2","4","7","1") = "6"
    & skf21("7","1","6","4","2","5","1","1") = "6"
    & skf21("7","1","6","4","2","5","2","1") = "6"
    & skf21("7","1","6","4","2","5","3","1") = "6"
    & skf21("7","1","6","4","2","5","4","1") = "6"
    & skf21("7","1","6","4","2","5","5","1") = "6"
    & skf21("7","1","6","4","2","5","6","1") = "6"
    & skf21("7","1","6","4","2","5","7","1") = "6"
    & skf21("7","1","6","4","2","6","1","1") = "6"
    & skf21("7","1","6","4","2","6","2","1") = "6"
    & skf21("7","1","6","4","2","6","3","1") = "6"
    & skf21("7","1","6","4","2","6","4","1") = "6"
    & skf21("7","1","6","4","2","6","5","1") = "6"
    & skf21("7","1","6","4","2","6","6","1") = "6"
    & skf21("7","1","6","4","2","6","7","1") = "6"
    & skf21("7","1","6","4","2","7","1","1") = "6"
    & skf21("7","1","6","4","2","7","2","1") = "6"
    & skf21("7","1","6","4","2","7","3","1") = "6"
    & skf21("7","1","6","4","2","7","4","1") = "6"
    & skf21("7","1","6","4","2","7","5","1") = "6"
    & skf21("7","1","6","4","2","7","6","1") = "6"
    & skf21("7","1","6","4","2","7","7","1") = "6"
    & skf21("7","1","6","4","3","1","1","1") = "6"
    & skf21("7","1","6","4","3","1","2","1") = "6"
    & skf21("7","1","6","4","3","1","3","1") = "6"
    & skf21("7","1","6","4","3","1","4","1") = "6"
    & skf21("7","1","6","4","3","1","5","1") = "6"
    & skf21("7","1","6","4","3","1","6","1") = "6"
    & skf21("7","1","6","4","3","1","7","1") = "6"
    & skf21("7","1","6","4","3","2","1","1") = "6"
    & skf21("7","1","6","4","3","2","2","1") = "6"
    & skf21("7","1","6","4","3","2","3","1") = "6"
    & skf21("7","1","6","4","3","2","4","1") = "6"
    & skf21("7","1","6","4","3","2","5","1") = "6"
    & skf21("7","1","6","4","3","2","6","1") = "6"
    & skf21("7","1","6","4","3","2","7","1") = "6"
    & skf21("7","1","6","4","3","3","1","1") = "6"
    & skf21("7","1","6","4","3","3","2","1") = "6"
    & skf21("7","1","6","4","3","3","3","1") = "6"
    & skf21("7","1","6","4","3","3","4","1") = "6"
    & skf21("7","1","6","4","3","3","5","1") = "6"
    & skf21("7","1","6","4","3","3","6","1") = "6"
    & skf21("7","1","6","4","3","3","7","1") = "6"
    & skf21("7","1","6","4","3","4","1","1") = "6"
    & skf21("7","1","6","4","3","4","2","1") = "6"
    & skf21("7","1","6","4","3","4","3","1") = "6"
    & skf21("7","1","6","4","3","4","4","1") = "6"
    & skf21("7","1","6","4","3","4","5","1") = "6"
    & skf21("7","1","6","4","3","4","6","1") = "6"
    & skf21("7","1","6","4","3","4","7","1") = "6"
    & skf21("7","1","6","4","3","5","1","1") = "6"
    & skf21("7","1","6","4","3","5","2","1") = "6"
    & skf21("7","1","6","4","3","5","3","1") = "6"
    & skf21("7","1","6","4","3","5","4","1") = "6"
    & skf21("7","1","6","4","3","5","5","1") = "6"
    & skf21("7","1","6","4","3","5","6","1") = "6"
    & skf21("7","1","6","4","3","5","7","1") = "6"
    & skf21("7","1","6","4","3","6","1","1") = "6"
    & skf21("7","1","6","4","3","6","2","1") = "6"
    & skf21("7","1","6","4","3","6","3","1") = "6"
    & skf21("7","1","6","4","3","6","4","1") = "6"
    & skf21("7","1","6","4","3","6","5","1") = "6"
    & skf21("7","1","6","4","3","6","6","1") = "6"
    & skf21("7","1","6","4","3","6","7","1") = "6"
    & skf21("7","1","6","4","3","7","1","1") = "6"
    & skf21("7","1","6","4","3","7","2","1") = "6"
    & skf21("7","1","6","4","3","7","3","1") = "6"
    & skf21("7","1","6","4","3","7","4","1") = "6"
    & skf21("7","1","6","4","3","7","5","1") = "6"
    & skf21("7","1","6","4","3","7","6","1") = "6"
    & skf21("7","1","6","4","3","7","7","1") = "6"
    & skf21("7","1","6","4","4","1","1","1") = "6"
    & skf21("7","1","6","4","4","1","2","1") = "6"
    & skf21("7","1","6","4","4","1","3","1") = "6"
    & skf21("7","1","6","4","4","1","4","1") = "6"
    & skf21("7","1","6","4","4","1","5","1") = "6"
    & skf21("7","1","6","4","4","1","6","1") = "6"
    & skf21("7","1","6","4","4","1","7","1") = "6"
    & skf21("7","1","6","4","4","2","1","1") = "6"
    & skf21("7","1","6","4","4","2","2","1") = "6"
    & skf21("7","1","6","4","4","2","3","1") = "6"
    & skf21("7","1","6","4","4","2","4","1") = "6"
    & skf21("7","1","6","4","4","2","5","1") = "6"
    & skf21("7","1","6","4","4","2","6","1") = "6"
    & skf21("7","1","6","4","4","2","7","1") = "6"
    & skf21("7","1","6","4","4","3","1","1") = "6"
    & skf21("7","1","6","4","4","3","2","1") = "6"
    & skf21("7","1","6","4","4","3","3","1") = "6"
    & skf21("7","1","6","4","4","3","4","1") = "6"
    & skf21("7","1","6","4","4","3","5","1") = "6"
    & skf21("7","1","6","4","4","3","6","1") = "6"
    & skf21("7","1","6","4","4","3","7","1") = "6"
    & skf21("7","1","6","4","4","4","1","1") = "6"
    & skf21("7","1","6","4","4","4","2","1") = "6"
    & skf21("7","1","6","4","4","4","3","1") = "6"
    & skf21("7","1","6","4","4","4","4","1") = "6"
    & skf21("7","1","6","4","4","4","5","1") = "6"
    & skf21("7","1","6","4","4","4","6","1") = "6"
    & skf21("7","1","6","4","4","4","7","1") = "6"
    & skf21("7","1","6","4","4","5","1","1") = "6"
    & skf21("7","1","6","4","4","5","2","1") = "6"
    & skf21("7","1","6","4","4","5","3","1") = "6"
    & skf21("7","1","6","4","4","5","4","1") = "6"
    & skf21("7","1","6","4","4","5","5","1") = "6"
    & skf21("7","1","6","4","4","5","6","1") = "6"
    & skf21("7","1","6","4","4","5","7","1") = "6"
    & skf21("7","1","6","4","4","6","1","1") = "6"
    & skf21("7","1","6","4","4","6","2","1") = "6"
    & skf21("7","1","6","4","4","6","3","1") = "6"
    & skf21("7","1","6","4","4","6","4","1") = "6"
    & skf21("7","1","6","4","4","6","5","1") = "6"
    & skf21("7","1","6","4","4","6","6","1") = "6"
    & skf21("7","1","6","4","4","6","7","1") = "6"
    & skf21("7","1","6","4","4","7","1","1") = "6"
    & skf21("7","1","6","4","4","7","2","1") = "6"
    & skf21("7","1","6","4","4","7","3","1") = "6"
    & skf21("7","1","6","4","4","7","4","1") = "6"
    & skf21("7","1","6","4","4","7","5","1") = "6"
    & skf21("7","1","6","4","4","7","6","1") = "6"
    & skf21("7","1","6","4","4","7","7","1") = "6"
    & skf21("7","1","6","4","5","1","1","1") = "6"
    & skf21("7","1","6","4","5","1","2","1") = "6"
    & skf21("7","1","6","4","5","1","3","1") = "6"
    & skf21("7","1","6","4","5","1","4","1") = "6"
    & skf21("7","1","6","4","5","1","5","1") = "6"
    & skf21("7","1","6","4","5","1","6","1") = "6"
    & skf21("7","1","6","4","5","1","7","1") = "6"
    & skf21("7","1","6","4","5","2","1","1") = "6"
    & skf21("7","1","6","4","5","2","2","1") = "6"
    & skf21("7","1","6","4","5","2","3","1") = "6"
    & skf21("7","1","6","4","5","2","4","1") = "6"
    & skf21("7","1","6","4","5","2","5","1") = "6"
    & skf21("7","1","6","4","5","2","6","1") = "6"
    & skf21("7","1","6","4","5","2","7","1") = "6"
    & skf21("7","1","6","4","5","3","1","1") = "6"
    & skf21("7","1","6","4","5","3","2","1") = "6"
    & skf21("7","1","6","4","5","3","3","1") = "6"
    & skf21("7","1","6","4","5","3","4","1") = "6"
    & skf21("7","1","6","4","5","3","5","1") = "6"
    & skf21("7","1","6","4","5","3","6","1") = "6"
    & skf21("7","1","6","4","5","3","7","1") = "6"
    & skf21("7","1","6","4","5","4","1","1") = "6"
    & skf21("7","1","6","4","5","4","2","1") = "6"
    & skf21("7","1","6","4","5","4","3","1") = "6"
    & skf21("7","1","6","4","5","4","4","1") = "6"
    & skf21("7","1","6","4","5","4","5","1") = "6"
    & skf21("7","1","6","4","5","4","6","1") = "6"
    & skf21("7","1","6","4","5","4","7","1") = "6"
    & skf21("7","1","6","4","5","5","1","1") = "6"
    & skf21("7","1","6","4","5","5","2","1") = "6"
    & skf21("7","1","6","4","5","5","3","1") = "6"
    & skf21("7","1","6","4","5","5","4","1") = "6"
    & skf21("7","1","6","4","5","5","5","1") = "6"
    & skf21("7","1","6","4","5","5","6","1") = "6"
    & skf21("7","1","6","4","5","5","7","1") = "6"
    & skf21("7","1","6","4","5","6","1","1") = "6"
    & skf21("7","1","6","4","5","6","2","1") = "6"
    & skf21("7","1","6","4","5","6","3","1") = "6"
    & skf21("7","1","6","4","5","6","4","1") = "6"
    & skf21("7","1","6","4","5","6","5","1") = "6"
    & skf21("7","1","6","4","5","6","6","1") = "6"
    & skf21("7","1","6","4","5","6","7","1") = "6"
    & skf21("7","1","6","4","5","7","1","1") = "6"
    & skf21("7","1","6","4","5","7","2","1") = "6"
    & skf21("7","1","6","4","5","7","3","1") = "6"
    & skf21("7","1","6","4","5","7","4","1") = "6"
    & skf21("7","1","6","4","5","7","5","1") = "6"
    & skf21("7","1","6","4","5","7","6","1") = "6"
    & skf21("7","1","6","4","5","7","7","1") = "6"
    & skf21("7","1","6","4","6","1","1","1") = "6"
    & skf21("7","1","6","4","6","1","2","1") = "6"
    & skf21("7","1","6","4","6","1","3","1") = "6"
    & skf21("7","1","6","4","6","1","4","1") = "6"
    & skf21("7","1","6","4","6","1","5","1") = "6"
    & skf21("7","1","6","4","6","1","6","1") = "6"
    & skf21("7","1","6","4","6","1","7","1") = "6"
    & skf21("7","1","6","4","6","2","1","1") = "6"
    & skf21("7","1","6","4","6","2","2","1") = "6"
    & skf21("7","1","6","4","6","2","3","1") = "6"
    & skf21("7","1","6","4","6","2","4","1") = "6"
    & skf21("7","1","6","4","6","2","5","1") = "6"
    & skf21("7","1","6","4","6","2","6","1") = "6"
    & skf21("7","1","6","4","6","2","7","1") = "6"
    & skf21("7","1","6","4","6","3","1","1") = "6"
    & skf21("7","1","6","4","6","3","2","1") = "6"
    & skf21("7","1","6","4","6","3","3","1") = "6"
    & skf21("7","1","6","4","6","3","4","1") = "6"
    & skf21("7","1","6","4","6","3","5","1") = "6"
    & skf21("7","1","6","4","6","3","6","1") = "6"
    & skf21("7","1","6","4","6","3","7","1") = "6"
    & skf21("7","1","6","4","6","4","1","1") = "6"
    & skf21("7","1","6","4","6","4","2","1") = "6"
    & skf21("7","1","6","4","6","4","3","1") = "6"
    & skf21("7","1","6","4","6","4","4","1") = "6"
    & skf21("7","1","6","4","6","4","5","1") = "6"
    & skf21("7","1","6","4","6","4","6","1") = "6"
    & skf21("7","1","6","4","6","4","7","1") = "6"
    & skf21("7","1","6","4","6","5","1","1") = "6"
    & skf21("7","1","6","4","6","5","2","1") = "6"
    & skf21("7","1","6","4","6","5","3","1") = "6"
    & skf21("7","1","6","4","6","5","4","1") = "6"
    & skf21("7","1","6","4","6","5","5","1") = "6"
    & skf21("7","1","6","4","6","5","6","1") = "6"
    & skf21("7","1","6","4","6","5","7","1") = "6"
    & skf21("7","1","6","4","6","6","1","1") = "6"
    & skf21("7","1","6","4","6","6","2","1") = "6"
    & skf21("7","1","6","4","6","6","3","1") = "6"
    & skf21("7","1","6","4","6","6","4","1") = "6"
    & skf21("7","1","6","4","6","6","5","1") = "6"
    & skf21("7","1","6","4","6","6","6","1") = "6"
    & skf21("7","1","6","4","6","6","7","1") = "6"
    & skf21("7","1","6","4","6","7","1","1") = "6"
    & skf21("7","1","6","4","6","7","2","1") = "6"
    & skf21("7","1","6","4","6","7","3","1") = "6"
    & skf21("7","1","6","4","6","7","4","1") = "6"
    & skf21("7","1","6","4","6","7","5","1") = "6"
    & skf21("7","1","6","4","6","7","6","1") = "6"
    & skf21("7","1","6","4","6","7","7","1") = "6"
    & skf21("7","1","6","4","7","1","1","1") = "6"
    & skf21("7","1","6","4","7","1","2","1") = "6"
    & skf21("7","1","6","4","7","1","3","1") = "6"
    & skf21("7","1","6","4","7","1","4","1") = "6"
    & skf21("7","1","6","4","7","1","5","1") = "6"
    & skf21("7","1","6","4","7","1","6","1") = "6"
    & skf21("7","1","6","4","7","1","7","1") = "6"
    & skf21("7","1","6","4","7","2","1","1") = "6"
    & skf21("7","1","6","4","7","2","2","1") = "6"
    & skf21("7","1","6","4","7","2","3","1") = "6"
    & skf21("7","1","6","4","7","2","4","1") = "6"
    & skf21("7","1","6","4","7","2","5","1") = "6"
    & skf21("7","1","6","4","7","2","6","1") = "6"
    & skf21("7","1","6","4","7","2","7","1") = "6"
    & skf21("7","1","6","4","7","3","1","1") = "6"
    & skf21("7","1","6","4","7","3","2","1") = "6"
    & skf21("7","1","6","4","7","3","3","1") = "6"
    & skf21("7","1","6","4","7","3","4","1") = "6"
    & skf21("7","1","6","4","7","3","5","1") = "6"
    & skf21("7","1","6","4","7","3","6","1") = "6"
    & skf21("7","1","6","4","7","3","7","1") = "6"
    & skf21("7","1","6","4","7","4","1","1") = "6"
    & skf21("7","1","6","4","7","4","2","1") = "6"
    & skf21("7","1","6","4","7","4","3","1") = "6"
    & skf21("7","1","6","4","7","4","4","1") = "6"
    & skf21("7","1","6","4","7","4","5","1") = "6"
    & skf21("7","1","6","4","7","4","6","1") = "6"
    & skf21("7","1","6","4","7","4","7","1") = "6"
    & skf21("7","1","6","4","7","5","1","1") = "6"
    & skf21("7","1","6","4","7","5","2","1") = "6"
    & skf21("7","1","6","4","7","5","3","1") = "6"
    & skf21("7","1","6","4","7","5","4","1") = "6"
    & skf21("7","1","6","4","7","5","5","1") = "6"
    & skf21("7","1","6","4","7","5","6","1") = "6"
    & skf21("7","1","6","4","7","5","7","1") = "6"
    & skf21("7","1","6","4","7","6","1","1") = "6"
    & skf21("7","1","6","4","7","6","2","1") = "6"
    & skf21("7","1","6","4","7","6","3","1") = "6"
    & skf21("7","1","6","4","7","6","4","1") = "6"
    & skf21("7","1","6","4","7","6","5","1") = "6"
    & skf21("7","1","6","4","7","6","6","1") = "6"
    & skf21("7","1","6","4","7","6","7","1") = "6"
    & skf21("7","1","6","4","7","7","1","1") = "6"
    & skf21("7","1","6","4","7","7","2","1") = "6"
    & skf21("7","1","6","4","7","7","3","1") = "6"
    & skf21("7","1","6","4","7","7","4","1") = "6"
    & skf21("7","1","6","4","7","7","5","1") = "6"
    & skf21("7","1","6","4","7","7","6","1") = "6"
    & skf21("7","1","6","4","7","7","7","1") = "6"
    & skf21("7","1","6","5","1","1","1","1") = "6"
    & skf21("7","1","6","5","1","1","2","1") = "6"
    & skf21("7","1","6","5","1","1","3","1") = "6"
    & skf21("7","1","6","5","1","1","4","1") = "6"
    & skf21("7","1","6","5","1","1","5","1") = "6"
    & skf21("7","1","6","5","1","1","6","1") = "6"
    & skf21("7","1","6","5","1","1","7","1") = "6"
    & skf21("7","1","6","5","1","2","1","1") = "6"
    & skf21("7","1","6","5","1","2","2","1") = "6"
    & skf21("7","1","6","5","1","2","3","1") = "6"
    & skf21("7","1","6","5","1","2","4","1") = "6"
    & skf21("7","1","6","5","1","2","5","1") = "6"
    & skf21("7","1","6","5","1","2","6","1") = "6"
    & skf21("7","1","6","5","1","2","7","1") = "6"
    & skf21("7","1","6","5","1","3","1","1") = "6"
    & skf21("7","1","6","5","1","3","2","1") = "6"
    & skf21("7","1","6","5","1","3","3","1") = "6"
    & skf21("7","1","6","5","1","3","4","1") = "6"
    & skf21("7","1","6","5","1","3","5","1") = "6"
    & skf21("7","1","6","5","1","3","6","1") = "6"
    & skf21("7","1","6","5","1","3","7","1") = "6"
    & skf21("7","1","6","5","1","4","1","1") = "6"
    & skf21("7","1","6","5","1","4","2","1") = "6"
    & skf21("7","1","6","5","1","4","3","1") = "6"
    & skf21("7","1","6","5","1","4","4","1") = "6"
    & skf21("7","1","6","5","1","4","5","1") = "6"
    & skf21("7","1","6","5","1","4","6","1") = "6"
    & skf21("7","1","6","5","1","4","7","1") = "6"
    & skf21("7","1","6","5","1","5","1","1") = "6"
    & skf21("7","1","6","5","1","5","2","1") = "6"
    & skf21("7","1","6","5","1","5","3","1") = "6"
    & skf21("7","1","6","5","1","5","4","1") = "6"
    & skf21("7","1","6","5","1","5","5","1") = "6"
    & skf21("7","1","6","5","1","5","6","1") = "6"
    & skf21("7","1","6","5","1","5","7","1") = "6"
    & skf21("7","1","6","5","1","6","1","1") = "6"
    & skf21("7","1","6","5","1","6","2","1") = "6"
    & skf21("7","1","6","5","1","6","3","1") = "6"
    & skf21("7","1","6","5","1","6","4","1") = "6"
    & skf21("7","1","6","5","1","6","5","1") = "6"
    & skf21("7","1","6","5","1","6","6","1") = "6"
    & skf21("7","1","6","5","1","6","7","1") = "6"
    & skf21("7","1","6","5","1","7","1","1") = "6"
    & skf21("7","1","6","5","1","7","2","1") = "6"
    & skf21("7","1","6","5","1","7","3","1") = "6"
    & skf21("7","1","6","5","1","7","4","1") = "6"
    & skf21("7","1","6","5","1","7","5","1") = "6"
    & skf21("7","1","6","5","1","7","6","1") = "6"
    & skf21("7","1","6","5","1","7","7","1") = "6"
    & skf21("7","1","6","5","2","1","1","1") = "6"
    & skf21("7","1","6","5","2","1","2","1") = "6"
    & skf21("7","1","6","5","2","1","3","1") = "6"
    & skf21("7","1","6","5","2","1","4","1") = "6"
    & skf21("7","1","6","5","2","1","5","1") = "6"
    & skf21("7","1","6","5","2","1","6","1") = "6"
    & skf21("7","1","6","5","2","1","7","1") = "6"
    & skf21("7","1","6","5","2","2","1","1") = "6"
    & skf21("7","1","6","5","2","2","2","1") = "6"
    & skf21("7","1","6","5","2","2","3","1") = "6"
    & skf21("7","1","6","5","2","2","4","1") = "6"
    & skf21("7","1","6","5","2","2","5","1") = "6"
    & skf21("7","1","6","5","2","2","6","1") = "6"
    & skf21("7","1","6","5","2","2","7","1") = "6"
    & skf21("7","1","6","5","2","3","1","1") = "6"
    & skf21("7","1","6","5","2","3","2","1") = "6"
    & skf21("7","1","6","5","2","3","3","1") = "6"
    & skf21("7","1","6","5","2","3","4","1") = "6"
    & skf21("7","1","6","5","2","3","5","1") = "6"
    & skf21("7","1","6","5","2","3","6","1") = "6"
    & skf21("7","1","6","5","2","3","7","1") = "6"
    & skf21("7","1","6","5","2","4","1","1") = "6"
    & skf21("7","1","6","5","2","4","2","1") = "6"
    & skf21("7","1","6","5","2","4","3","1") = "6"
    & skf21("7","1","6","5","2","4","4","1") = "6"
    & skf21("7","1","6","5","2","4","5","1") = "6"
    & skf21("7","1","6","5","2","4","6","1") = "6"
    & skf21("7","1","6","5","2","4","7","1") = "6"
    & skf21("7","1","6","5","2","5","1","1") = "6"
    & skf21("7","1","6","5","2","5","2","1") = "6"
    & skf21("7","1","6","5","2","5","3","1") = "6"
    & skf21("7","1","6","5","2","5","4","1") = "6"
    & skf21("7","1","6","5","2","5","5","1") = "6"
    & skf21("7","1","6","5","2","5","6","1") = "6"
    & skf21("7","1","6","5","2","5","7","1") = "6"
    & skf21("7","1","6","5","2","6","1","1") = "6"
    & skf21("7","1","6","5","2","6","2","1") = "6"
    & skf21("7","1","6","5","2","6","3","1") = "6"
    & skf21("7","1","6","5","2","6","4","1") = "6"
    & skf21("7","1","6","5","2","6","5","1") = "6"
    & skf21("7","1","6","5","2","6","6","1") = "6"
    & skf21("7","1","6","5","2","6","7","1") = "6"
    & skf21("7","1","6","5","2","7","1","1") = "6"
    & skf21("7","1","6","5","2","7","2","1") = "6"
    & skf21("7","1","6","5","2","7","3","1") = "6"
    & skf21("7","1","6","5","2","7","4","1") = "6"
    & skf21("7","1","6","5","2","7","5","1") = "6"
    & skf21("7","1","6","5","2","7","6","1") = "6"
    & skf21("7","1","6","5","2","7","7","1") = "6"
    & skf21("7","1","6","5","3","1","1","1") = "6"
    & skf21("7","1","6","5","3","1","2","1") = "6"
    & skf21("7","1","6","5","3","1","3","1") = "6"
    & skf21("7","1","6","5","3","1","4","1") = "6"
    & skf21("7","1","6","5","3","1","5","1") = "6"
    & skf21("7","1","6","5","3","1","6","1") = "6"
    & skf21("7","1","6","5","3","1","7","1") = "6"
    & skf21("7","1","6","5","3","2","1","1") = "6"
    & skf21("7","1","6","5","3","2","2","1") = "6"
    & skf21("7","1","6","5","3","2","3","1") = "6"
    & skf21("7","1","6","5","3","2","4","1") = "6"
    & skf21("7","1","6","5","3","2","5","1") = "6"
    & skf21("7","1","6","5","3","2","6","1") = "6"
    & skf21("7","1","6","5","3","2","7","1") = "6"
    & skf21("7","1","6","5","3","3","1","1") = "6"
    & skf21("7","1","6","5","3","3","2","1") = "6"
    & skf21("7","1","6","5","3","3","3","1") = "6"
    & skf21("7","1","6","5","3","3","4","1") = "6"
    & skf21("7","1","6","5","3","3","5","1") = "6"
    & skf21("7","1","6","5","3","3","6","1") = "6"
    & skf21("7","1","6","5","3","3","7","1") = "6"
    & skf21("7","1","6","5","3","4","1","1") = "6"
    & skf21("7","1","6","5","3","4","2","1") = "6"
    & skf21("7","1","6","5","3","4","3","1") = "6"
    & skf21("7","1","6","5","3","4","4","1") = "6"
    & skf21("7","1","6","5","3","4","5","1") = "6"
    & skf21("7","1","6","5","3","4","6","1") = "6"
    & skf21("7","1","6","5","3","4","7","1") = "6"
    & skf21("7","1","6","5","3","5","1","1") = "6"
    & skf21("7","1","6","5","3","5","2","1") = "6"
    & skf21("7","1","6","5","3","5","3","1") = "6"
    & skf21("7","1","6","5","3","5","4","1") = "6"
    & skf21("7","1","6","5","3","5","5","1") = "6"
    & skf21("7","1","6","5","3","5","6","1") = "6"
    & skf21("7","1","6","5","3","5","7","1") = "6"
    & skf21("7","1","6","5","3","6","1","1") = "6"
    & skf21("7","1","6","5","3","6","2","1") = "6"
    & skf21("7","1","6","5","3","6","3","1") = "6"
    & skf21("7","1","6","5","3","6","4","1") = "6"
    & skf21("7","1","6","5","3","6","5","1") = "6"
    & skf21("7","1","6","5","3","6","6","1") = "6"
    & skf21("7","1","6","5","3","6","7","1") = "6"
    & skf21("7","1","6","5","3","7","1","1") = "6"
    & skf21("7","1","6","5","3","7","2","1") = "6"
    & skf21("7","1","6","5","3","7","3","1") = "6"
    & skf21("7","1","6","5","3","7","4","1") = "6"
    & skf21("7","1","6","5","3","7","5","1") = "6"
    & skf21("7","1","6","5","3","7","6","1") = "6"
    & skf21("7","1","6","5","3","7","7","1") = "6"
    & skf21("7","1","6","5","4","1","1","1") = "6"
    & skf21("7","1","6","5","4","1","2","1") = "6"
    & skf21("7","1","6","5","4","1","3","1") = "6"
    & skf21("7","1","6","5","4","1","4","1") = "6"
    & skf21("7","1","6","5","4","1","5","1") = "6"
    & skf21("7","1","6","5","4","1","6","1") = "6"
    & skf21("7","1","6","5","4","1","7","1") = "6"
    & skf21("7","1","6","5","4","2","1","1") = "6"
    & skf21("7","1","6","5","4","2","2","1") = "6"
    & skf21("7","1","6","5","4","2","3","1") = "6"
    & skf21("7","1","6","5","4","2","4","1") = "6"
    & skf21("7","1","6","5","4","2","5","1") = "6"
    & skf21("7","1","6","5","4","2","6","1") = "6"
    & skf21("7","1","6","5","4","2","7","1") = "6"
    & skf21("7","1","6","5","4","3","1","1") = "6"
    & skf21("7","1","6","5","4","3","2","1") = "6"
    & skf21("7","1","6","5","4","3","3","1") = "6"
    & skf21("7","1","6","5","4","3","4","1") = "6"
    & skf21("7","1","6","5","4","3","5","1") = "6"
    & skf21("7","1","6","5","4","3","6","1") = "6"
    & skf21("7","1","6","5","4","3","7","1") = "6"
    & skf21("7","1","6","5","4","4","1","1") = "6"
    & skf21("7","1","6","5","4","4","2","1") = "6"
    & skf21("7","1","6","5","4","4","3","1") = "6"
    & skf21("7","1","6","5","4","4","4","1") = "6"
    & skf21("7","1","6","5","4","4","5","1") = "6"
    & skf21("7","1","6","5","4","4","6","1") = "6"
    & skf21("7","1","6","5","4","4","7","1") = "6"
    & skf21("7","1","6","5","4","5","1","1") = "6"
    & skf21("7","1","6","5","4","5","2","1") = "6"
    & skf21("7","1","6","5","4","5","3","1") = "6"
    & skf21("7","1","6","5","4","5","4","1") = "6"
    & skf21("7","1","6","5","4","5","5","1") = "6"
    & skf21("7","1","6","5","4","5","6","1") = "6"
    & skf21("7","1","6","5","4","5","7","1") = "6"
    & skf21("7","1","6","5","4","6","1","1") = "6"
    & skf21("7","1","6","5","4","6","2","1") = "6"
    & skf21("7","1","6","5","4","6","3","1") = "6"
    & skf21("7","1","6","5","4","6","4","1") = "6"
    & skf21("7","1","6","5","4","6","5","1") = "6"
    & skf21("7","1","6","5","4","6","6","1") = "6"
    & skf21("7","1","6","5","4","6","7","1") = "6"
    & skf21("7","1","6","5","4","7","1","1") = "6"
    & skf21("7","1","6","5","4","7","2","1") = "6"
    & skf21("7","1","6","5","4","7","3","1") = "6"
    & skf21("7","1","6","5","4","7","4","1") = "6"
    & skf21("7","1","6","5","4","7","5","1") = "6"
    & skf21("7","1","6","5","4","7","6","1") = "6"
    & skf21("7","1","6","5","4","7","7","1") = "6"
    & skf21("7","1","6","5","5","1","1","1") = "6"
    & skf21("7","1","6","5","5","1","2","1") = "6"
    & skf21("7","1","6","5","5","1","3","1") = "6"
    & skf21("7","1","6","5","5","1","4","1") = "6"
    & skf21("7","1","6","5","5","1","5","1") = "6"
    & skf21("7","1","6","5","5","1","6","1") = "6"
    & skf21("7","1","6","5","5","1","7","1") = "6"
    & skf21("7","1","6","5","5","2","1","1") = "6"
    & skf21("7","1","6","5","5","2","2","1") = "6"
    & skf21("7","1","6","5","5","2","3","1") = "6"
    & skf21("7","1","6","5","5","2","4","1") = "6"
    & skf21("7","1","6","5","5","2","5","1") = "6"
    & skf21("7","1","6","5","5","2","6","1") = "6"
    & skf21("7","1","6","5","5","2","7","1") = "6"
    & skf21("7","1","6","5","5","3","1","1") = "6"
    & skf21("7","1","6","5","5","3","2","1") = "6"
    & skf21("7","1","6","5","5","3","3","1") = "6"
    & skf21("7","1","6","5","5","3","4","1") = "6"
    & skf21("7","1","6","5","5","3","5","1") = "6"
    & skf21("7","1","6","5","5","3","6","1") = "6"
    & skf21("7","1","6","5","5","3","7","1") = "6"
    & skf21("7","1","6","5","5","4","1","1") = "6"
    & skf21("7","1","6","5","5","4","2","1") = "6"
    & skf21("7","1","6","5","5","4","3","1") = "6"
    & skf21("7","1","6","5","5","4","4","1") = "6"
    & skf21("7","1","6","5","5","4","5","1") = "6"
    & skf21("7","1","6","5","5","4","6","1") = "6"
    & skf21("7","1","6","5","5","4","7","1") = "6"
    & skf21("7","1","6","5","5","5","1","1") = "6"
    & skf21("7","1","6","5","5","5","2","1") = "6"
    & skf21("7","1","6","5","5","5","3","1") = "6"
    & skf21("7","1","6","5","5","5","4","1") = "6"
    & skf21("7","1","6","5","5","5","5","1") = "6"
    & skf21("7","1","6","5","5","5","6","1") = "6"
    & skf21("7","1","6","5","5","5","7","1") = "6"
    & skf21("7","1","6","5","5","6","1","1") = "6"
    & skf21("7","1","6","5","5","6","2","1") = "6"
    & skf21("7","1","6","5","5","6","3","1") = "6"
    & skf21("7","1","6","5","5","6","4","1") = "6"
    & skf21("7","1","6","5","5","6","5","1") = "6"
    & skf21("7","1","6","5","5","6","6","1") = "6"
    & skf21("7","1","6","5","5","6","7","1") = "6"
    & skf21("7","1","6","5","5","7","1","1") = "6"
    & skf21("7","1","6","5","5","7","2","1") = "6"
    & skf21("7","1","6","5","5","7","3","1") = "6"
    & skf21("7","1","6","5","5","7","4","1") = "6"
    & skf21("7","1","6","5","5","7","5","1") = "6"
    & skf21("7","1","6","5","5","7","6","1") = "6"
    & skf21("7","1","6","5","5","7","7","1") = "6"
    & skf21("7","1","6","5","6","1","1","1") = "6"
    & skf21("7","1","6","5","6","1","2","1") = "6"
    & skf21("7","1","6","5","6","1","3","1") = "6"
    & skf21("7","1","6","5","6","1","4","1") = "6"
    & skf21("7","1","6","5","6","1","5","1") = "6"
    & skf21("7","1","6","5","6","1","6","1") = "6"
    & skf21("7","1","6","5","6","1","7","1") = "6"
    & skf21("7","1","6","5","6","2","1","1") = "6"
    & skf21("7","1","6","5","6","2","2","1") = "6"
    & skf21("7","1","6","5","6","2","3","1") = "6"
    & skf21("7","1","6","5","6","2","4","1") = "6"
    & skf21("7","1","6","5","6","2","5","1") = "6"
    & skf21("7","1","6","5","6","2","6","1") = "6"
    & skf21("7","1","6","5","6","2","7","1") = "6"
    & skf21("7","1","6","5","6","3","1","1") = "6"
    & skf21("7","1","6","5","6","3","2","1") = "6"
    & skf21("7","1","6","5","6","3","3","1") = "6"
    & skf21("7","1","6","5","6","3","4","1") = "6"
    & skf21("7","1","6","5","6","3","5","1") = "6"
    & skf21("7","1","6","5","6","3","6","1") = "6"
    & skf21("7","1","6","5","6","3","7","1") = "6"
    & skf21("7","1","6","5","6","4","1","1") = "6"
    & skf21("7","1","6","5","6","4","2","1") = "6"
    & skf21("7","1","6","5","6","4","3","1") = "6"
    & skf21("7","1","6","5","6","4","4","1") = "6"
    & skf21("7","1","6","5","6","4","5","1") = "6"
    & skf21("7","1","6","5","6","4","6","1") = "6"
    & skf21("7","1","6","5","6","4","7","1") = "6"
    & skf21("7","1","6","5","6","5","1","1") = "6"
    & skf21("7","1","6","5","6","5","2","1") = "6"
    & skf21("7","1","6","5","6","5","3","1") = "6"
    & skf21("7","1","6","5","6","5","4","1") = "6"
    & skf21("7","1","6","5","6","5","5","1") = "6"
    & skf21("7","1","6","5","6","5","6","1") = "6"
    & skf21("7","1","6","5","6","5","7","1") = "6"
    & skf21("7","1","6","5","6","6","1","1") = "6"
    & skf21("7","1","6","5","6","6","2","1") = "6"
    & skf21("7","1","6","5","6","6","3","1") = "6"
    & skf21("7","1","6","5","6","6","4","1") = "6"
    & skf21("7","1","6","5","6","6","5","1") = "6"
    & skf21("7","1","6","5","6","6","6","1") = "6"
    & skf21("7","1","6","5","6","6","7","1") = "6"
    & skf21("7","1","6","5","6","7","1","1") = "6"
    & skf21("7","1","6","5","6","7","2","1") = "6"
    & skf21("7","1","6","5","6","7","3","1") = "6"
    & skf21("7","1","6","5","6","7","4","1") = "6"
    & skf21("7","1","6","5","6","7","5","1") = "6"
    & skf21("7","1","6","5","6","7","6","1") = "6"
    & skf21("7","1","6","5","6","7","7","1") = "6"
    & skf21("7","1","6","5","7","1","1","1") = "6"
    & skf21("7","1","6","5","7","1","2","1") = "6"
    & skf21("7","1","6","5","7","1","3","1") = "6"
    & skf21("7","1","6","5","7","1","4","1") = "6"
    & skf21("7","1","6","5","7","1","5","1") = "6"
    & skf21("7","1","6","5","7","1","6","1") = "6"
    & skf21("7","1","6","5","7","1","7","1") = "6"
    & skf21("7","1","6","5","7","2","1","1") = "6"
    & skf21("7","1","6","5","7","2","2","1") = "6"
    & skf21("7","1","6","5","7","2","3","1") = "6"
    & skf21("7","1","6","5","7","2","4","1") = "6"
    & skf21("7","1","6","5","7","2","5","1") = "6"
    & skf21("7","1","6","5","7","2","6","1") = "6"
    & skf21("7","1","6","5","7","2","7","1") = "6"
    & skf21("7","1","6","5","7","3","1","1") = "6"
    & skf21("7","1","6","5","7","3","2","1") = "6"
    & skf21("7","1","6","5","7","3","3","1") = "6"
    & skf21("7","1","6","5","7","3","4","1") = "6"
    & skf21("7","1","6","5","7","3","5","1") = "6"
    & skf21("7","1","6","5","7","3","6","1") = "6"
    & skf21("7","1","6","5","7","3","7","1") = "6"
    & skf21("7","1","6","5","7","4","1","1") = "6"
    & skf21("7","1","6","5","7","4","2","1") = "6"
    & skf21("7","1","6","5","7","4","3","1") = "6"
    & skf21("7","1","6","5","7","4","4","1") = "6"
    & skf21("7","1","6","5","7","4","5","1") = "6"
    & skf21("7","1","6","5","7","4","6","1") = "6"
    & skf21("7","1","6","5","7","4","7","1") = "6"
    & skf21("7","1","6","5","7","5","1","1") = "6"
    & skf21("7","1","6","5","7","5","2","1") = "6"
    & skf21("7","1","6","5","7","5","3","1") = "6"
    & skf21("7","1","6","5","7","5","4","1") = "6"
    & skf21("7","1","6","5","7","5","5","1") = "6"
    & skf21("7","1","6","5","7","5","6","1") = "6"
    & skf21("7","1","6","5","7","5","7","1") = "6"
    & skf21("7","1","6","5","7","6","1","1") = "6"
    & skf21("7","1","6","5","7","6","2","1") = "6"
    & skf21("7","1","6","5","7","6","3","1") = "6"
    & skf21("7","1","6","5","7","6","4","1") = "6"
    & skf21("7","1","6","5","7","6","5","1") = "6"
    & skf21("7","1","6","5","7","6","6","1") = "6"
    & skf21("7","1","6","5","7","6","7","1") = "6"
    & skf21("7","1","6","5","7","7","1","1") = "6"
    & skf21("7","1","6","5","7","7","2","1") = "6"
    & skf21("7","1","6","5","7","7","3","1") = "6"
    & skf21("7","1","6","5","7","7","4","1") = "6"
    & skf21("7","1","6","5","7","7","5","1") = "6"
    & skf21("7","1","6","5","7","7","6","1") = "6"
    & skf21("7","1","6","5","7","7","7","1") = "6"
    & skf21("7","1","6","6","1","1","1","1") = "6"
    & skf21("7","1","6","6","1","1","2","1") = "6"
    & skf21("7","1","6","6","1","1","3","1") = "6"
    & skf21("7","1","6","6","1","1","4","1") = "6"
    & skf21("7","1","6","6","1","1","5","1") = "6"
    & skf21("7","1","6","6","1","1","6","1") = "6"
    & skf21("7","1","6","6","1","1","7","1") = "6"
    & skf21("7","1","6","6","1","2","1","1") = "6"
    & skf21("7","1","6","6","1","2","2","1") = "6"
    & skf21("7","1","6","6","1","2","3","1") = "6"
    & skf21("7","1","6","6","1","2","4","1") = "6"
    & skf21("7","1","6","6","1","2","5","1") = "6"
    & skf21("7","1","6","6","1","2","6","1") = "6"
    & skf21("7","1","6","6","1","2","7","1") = "6"
    & skf21("7","1","6","6","1","3","1","1") = "6"
    & skf21("7","1","6","6","1","3","2","1") = "6"
    & skf21("7","1","6","6","1","3","3","1") = "6"
    & skf21("7","1","6","6","1","3","4","1") = "6"
    & skf21("7","1","6","6","1","3","5","1") = "6"
    & skf21("7","1","6","6","1","3","6","1") = "6"
    & skf21("7","1","6","6","1","3","7","1") = "6"
    & skf21("7","1","6","6","1","4","1","1") = "6"
    & skf21("7","1","6","6","1","4","2","1") = "6"
    & skf21("7","1","6","6","1","4","3","1") = "6"
    & skf21("7","1","6","6","1","4","4","1") = "6"
    & skf21("7","1","6","6","1","4","5","1") = "6"
    & skf21("7","1","6","6","1","4","6","1") = "6"
    & skf21("7","1","6","6","1","4","7","1") = "6"
    & skf21("7","1","6","6","1","5","1","1") = "6"
    & skf21("7","1","6","6","1","5","2","1") = "6"
    & skf21("7","1","6","6","1","5","3","1") = "6"
    & skf21("7","1","6","6","1","5","4","1") = "6"
    & skf21("7","1","6","6","1","5","5","1") = "6"
    & skf21("7","1","6","6","1","5","6","1") = "6"
    & skf21("7","1","6","6","1","5","7","1") = "6"
    & skf21("7","1","6","6","1","6","1","1") = "6"
    & skf21("7","1","6","6","1","6","2","1") = "6"
    & skf21("7","1","6","6","1","6","3","1") = "6"
    & skf21("7","1","6","6","1","6","4","1") = "6"
    & skf21("7","1","6","6","1","6","5","1") = "6"
    & skf21("7","1","6","6","1","6","6","1") = "6"
    & skf21("7","1","6","6","1","6","7","1") = "6"
    & skf21("7","1","6","6","1","7","1","1") = "6"
    & skf21("7","1","6","6","1","7","2","1") = "6"
    & skf21("7","1","6","6","1","7","3","1") = "6"
    & skf21("7","1","6","6","1","7","4","1") = "6"
    & skf21("7","1","6","6","1","7","5","1") = "6"
    & skf21("7","1","6","6","1","7","6","1") = "6"
    & skf21("7","1","6","6","1","7","7","1") = "6"
    & skf21("7","1","6","6","2","1","1","1") = "6"
    & skf21("7","1","6","6","2","1","2","1") = "6"
    & skf21("7","1","6","6","2","1","3","1") = "6"
    & skf21("7","1","6","6","2","1","4","1") = "6"
    & skf21("7","1","6","6","2","1","5","1") = "6"
    & skf21("7","1","6","6","2","1","6","1") = "6"
    & skf21("7","1","6","6","2","1","7","1") = "6"
    & skf21("7","1","6","6","2","2","1","1") = "6"
    & skf21("7","1","6","6","2","2","2","1") = "6"
    & skf21("7","1","6","6","2","2","3","1") = "6"
    & skf21("7","1","6","6","2","2","4","1") = "6"
    & skf21("7","1","6","6","2","2","5","1") = "6"
    & skf21("7","1","6","6","2","2","6","1") = "6"
    & skf21("7","1","6","6","2","2","7","1") = "6"
    & skf21("7","1","6","6","2","3","1","1") = "6"
    & skf21("7","1","6","6","2","3","2","1") = "6"
    & skf21("7","1","6","6","2","3","3","1") = "6"
    & skf21("7","1","6","6","2","3","4","1") = "6"
    & skf21("7","1","6","6","2","3","5","1") = "6"
    & skf21("7","1","6","6","2","3","6","1") = "6"
    & skf21("7","1","6","6","2","3","7","1") = "6"
    & skf21("7","1","6","6","2","4","1","1") = "6"
    & skf21("7","1","6","6","2","4","2","1") = "6"
    & skf21("7","1","6","6","2","4","3","1") = "6"
    & skf21("7","1","6","6","2","4","4","1") = "6"
    & skf21("7","1","6","6","2","4","5","1") = "6"
    & skf21("7","1","6","6","2","4","6","1") = "6"
    & skf21("7","1","6","6","2","4","7","1") = "6"
    & skf21("7","1","6","6","2","5","1","1") = "6"
    & skf21("7","1","6","6","2","5","2","1") = "6"
    & skf21("7","1","6","6","2","5","3","1") = "6"
    & skf21("7","1","6","6","2","5","4","1") = "6"
    & skf21("7","1","6","6","2","5","5","1") = "6"
    & skf21("7","1","6","6","2","5","6","1") = "6"
    & skf21("7","1","6","6","2","5","7","1") = "6"
    & skf21("7","1","6","6","2","6","1","1") = "6"
    & skf21("7","1","6","6","2","6","2","1") = "6"
    & skf21("7","1","6","6","2","6","3","1") = "6"
    & skf21("7","1","6","6","2","6","4","1") = "6"
    & skf21("7","1","6","6","2","6","5","1") = "6"
    & skf21("7","1","6","6","2","6","6","1") = "6"
    & skf21("7","1","6","6","2","6","7","1") = "6"
    & skf21("7","1","6","6","2","7","1","1") = "6"
    & skf21("7","1","6","6","2","7","2","1") = "6"
    & skf21("7","1","6","6","2","7","3","1") = "6"
    & skf21("7","1","6","6","2","7","4","1") = "6"
    & skf21("7","1","6","6","2","7","5","1") = "6"
    & skf21("7","1","6","6","2","7","6","1") = "6"
    & skf21("7","1","6","6","2","7","7","1") = "6"
    & skf21("7","1","6","6","3","1","1","1") = "6"
    & skf21("7","1","6","6","3","1","2","1") = "6"
    & skf21("7","1","6","6","3","1","3","1") = "6"
    & skf21("7","1","6","6","3","1","4","1") = "6"
    & skf21("7","1","6","6","3","1","5","1") = "6"
    & skf21("7","1","6","6","3","1","6","1") = "6"
    & skf21("7","1","6","6","3","1","7","1") = "6"
    & skf21("7","1","6","6","3","2","1","1") = "6"
    & skf21("7","1","6","6","3","2","2","1") = "6"
    & skf21("7","1","6","6","3","2","3","1") = "6"
    & skf21("7","1","6","6","3","2","4","1") = "6"
    & skf21("7","1","6","6","3","2","5","1") = "6"
    & skf21("7","1","6","6","3","2","6","1") = "6"
    & skf21("7","1","6","6","3","2","7","1") = "6"
    & skf21("7","1","6","6","3","3","1","1") = "6"
    & skf21("7","1","6","6","3","3","2","1") = "6"
    & skf21("7","1","6","6","3","3","3","1") = "6"
    & skf21("7","1","6","6","3","3","4","1") = "6"
    & skf21("7","1","6","6","3","3","5","1") = "6"
    & skf21("7","1","6","6","3","3","6","1") = "6"
    & skf21("7","1","6","6","3","3","7","1") = "6"
    & skf21("7","1","6","6","3","4","1","1") = "6"
    & skf21("7","1","6","6","3","4","2","1") = "6"
    & skf21("7","1","6","6","3","4","3","1") = "6"
    & skf21("7","1","6","6","3","4","4","1") = "6"
    & skf21("7","1","6","6","3","4","5","1") = "6"
    & skf21("7","1","6","6","3","4","6","1") = "6"
    & skf21("7","1","6","6","3","4","7","1") = "6"
    & skf21("7","1","6","6","3","5","1","1") = "6"
    & skf21("7","1","6","6","3","5","2","1") = "6"
    & skf21("7","1","6","6","3","5","3","1") = "6"
    & skf21("7","1","6","6","3","5","4","1") = "6"
    & skf21("7","1","6","6","3","5","5","1") = "6"
    & skf21("7","1","6","6","3","5","6","1") = "6"
    & skf21("7","1","6","6","3","5","7","1") = "6"
    & skf21("7","1","6","6","3","6","1","1") = "6"
    & skf21("7","1","6","6","3","6","2","1") = "6"
    & skf21("7","1","6","6","3","6","3","1") = "6"
    & skf21("7","1","6","6","3","6","4","1") = "6"
    & skf21("7","1","6","6","3","6","5","1") = "6"
    & skf21("7","1","6","6","3","6","6","1") = "6"
    & skf21("7","1","6","6","3","6","7","1") = "6"
    & skf21("7","1","6","6","3","7","1","1") = "6"
    & skf21("7","1","6","6","3","7","2","1") = "6"
    & skf21("7","1","6","6","3","7","3","1") = "6"
    & skf21("7","1","6","6","3","7","4","1") = "6"
    & skf21("7","1","6","6","3","7","5","1") = "6"
    & skf21("7","1","6","6","3","7","6","1") = "6"
    & skf21("7","1","6","6","3","7","7","1") = "6"
    & skf21("7","1","6","6","4","1","1","1") = "6"
    & skf21("7","1","6","6","4","1","2","1") = "6"
    & skf21("7","1","6","6","4","1","3","1") = "6"
    & skf21("7","1","6","6","4","1","4","1") = "6"
    & skf21("7","1","6","6","4","1","5","1") = "6"
    & skf21("7","1","6","6","4","1","6","1") = "6"
    & skf21("7","1","6","6","4","1","7","1") = "6"
    & skf21("7","1","6","6","4","2","1","1") = "6"
    & skf21("7","1","6","6","4","2","2","1") = "6"
    & skf21("7","1","6","6","4","2","3","1") = "6"
    & skf21("7","1","6","6","4","2","4","1") = "6"
    & skf21("7","1","6","6","4","2","5","1") = "6"
    & skf21("7","1","6","6","4","2","6","1") = "6"
    & skf21("7","1","6","6","4","2","7","1") = "6"
    & skf21("7","1","6","6","4","3","1","1") = "6"
    & skf21("7","1","6","6","4","3","2","1") = "6"
    & skf21("7","1","6","6","4","3","3","1") = "6"
    & skf21("7","1","6","6","4","3","4","1") = "6"
    & skf21("7","1","6","6","4","3","5","1") = "6"
    & skf21("7","1","6","6","4","3","6","1") = "6"
    & skf21("7","1","6","6","4","3","7","1") = "6"
    & skf21("7","1","6","6","4","4","1","1") = "6"
    & skf21("7","1","6","6","4","4","2","1") = "6"
    & skf21("7","1","6","6","4","4","3","1") = "6"
    & skf21("7","1","6","6","4","4","4","1") = "6"
    & skf21("7","1","6","6","4","4","5","1") = "6"
    & skf21("7","1","6","6","4","4","6","1") = "6"
    & skf21("7","1","6","6","4","4","7","1") = "6"
    & skf21("7","1","6","6","4","5","1","1") = "6"
    & skf21("7","1","6","6","4","5","2","1") = "6"
    & skf21("7","1","6","6","4","5","3","1") = "6"
    & skf21("7","1","6","6","4","5","4","1") = "6"
    & skf21("7","1","6","6","4","5","5","1") = "6"
    & skf21("7","1","6","6","4","5","6","1") = "6"
    & skf21("7","1","6","6","4","5","7","1") = "6"
    & skf21("7","1","6","6","4","6","1","1") = "6"
    & skf21("7","1","6","6","4","6","2","1") = "6"
    & skf21("7","1","6","6","4","6","3","1") = "6"
    & skf21("7","1","6","6","4","6","4","1") = "6"
    & skf21("7","1","6","6","4","6","5","1") = "6"
    & skf21("7","1","6","6","4","6","6","1") = "6"
    & skf21("7","1","6","6","4","6","7","1") = "6"
    & skf21("7","1","6","6","4","7","1","1") = "6"
    & skf21("7","1","6","6","4","7","2","1") = "6"
    & skf21("7","1","6","6","4","7","3","1") = "6"
    & skf21("7","1","6","6","4","7","4","1") = "6"
    & skf21("7","1","6","6","4","7","5","1") = "6"
    & skf21("7","1","6","6","4","7","6","1") = "6"
    & skf21("7","1","6","6","4","7","7","1") = "6"
    & skf21("7","1","6","6","5","1","1","1") = "6"
    & skf21("7","1","6","6","5","1","2","1") = "6"
    & skf21("7","1","6","6","5","1","3","1") = "6"
    & skf21("7","1","6","6","5","1","4","1") = "6"
    & skf21("7","1","6","6","5","1","5","1") = "6"
    & skf21("7","1","6","6","5","1","6","1") = "6"
    & skf21("7","1","6","6","5","1","7","1") = "6"
    & skf21("7","1","6","6","5","2","1","1") = "6"
    & skf21("7","1","6","6","5","2","2","1") = "6"
    & skf21("7","1","6","6","5","2","3","1") = "6"
    & skf21("7","1","6","6","5","2","4","1") = "6"
    & skf21("7","1","6","6","5","2","5","1") = "6"
    & skf21("7","1","6","6","5","2","6","1") = "6"
    & skf21("7","1","6","6","5","2","7","1") = "6"
    & skf21("7","1","6","6","5","3","1","1") = "6"
    & skf21("7","1","6","6","5","3","2","1") = "6"
    & skf21("7","1","6","6","5","3","3","1") = "6"
    & skf21("7","1","6","6","5","3","4","1") = "6"
    & skf21("7","1","6","6","5","3","5","1") = "6"
    & skf21("7","1","6","6","5","3","6","1") = "6"
    & skf21("7","1","6","6","5","3","7","1") = "6"
    & skf21("7","1","6","6","5","4","1","1") = "6"
    & skf21("7","1","6","6","5","4","2","1") = "6"
    & skf21("7","1","6","6","5","4","3","1") = "6"
    & skf21("7","1","6","6","5","4","4","1") = "6"
    & skf21("7","1","6","6","5","4","5","1") = "6"
    & skf21("7","1","6","6","5","4","6","1") = "6"
    & skf21("7","1","6","6","5","4","7","1") = "6"
    & skf21("7","1","6","6","5","5","1","1") = "6"
    & skf21("7","1","6","6","5","5","2","1") = "6"
    & skf21("7","1","6","6","5","5","3","1") = "6"
    & skf21("7","1","6","6","5","5","4","1") = "6"
    & skf21("7","1","6","6","5","5","5","1") = "6"
    & skf21("7","1","6","6","5","5","6","1") = "6"
    & skf21("7","1","6","6","5","5","7","1") = "6"
    & skf21("7","1","6","6","5","6","1","1") = "6"
    & skf21("7","1","6","6","5","6","2","1") = "6"
    & skf21("7","1","6","6","5","6","3","1") = "6"
    & skf21("7","1","6","6","5","6","4","1") = "6"
    & skf21("7","1","6","6","5","6","5","1") = "6"
    & skf21("7","1","6","6","5","6","6","1") = "6"
    & skf21("7","1","6","6","5","6","7","1") = "6"
    & skf21("7","1","6","6","5","7","1","1") = "6"
    & skf21("7","1","6","6","5","7","2","1") = "6"
    & skf21("7","1","6","6","5","7","3","1") = "6"
    & skf21("7","1","6","6","5","7","4","1") = "6"
    & skf21("7","1","6","6","5","7","5","1") = "6"
    & skf21("7","1","6","6","5","7","6","1") = "6"
    & skf21("7","1","6","6","5","7","7","1") = "6"
    & skf21("7","1","6","6","6","1","1","1") = "6"
    & skf21("7","1","6","6","6","1","2","1") = "6"
    & skf21("7","1","6","6","6","1","3","1") = "6"
    & skf21("7","1","6","6","6","1","4","1") = "6"
    & skf21("7","1","6","6","6","1","5","1") = "6"
    & skf21("7","1","6","6","6","1","6","1") = "6"
    & skf21("7","1","6","6","6","1","7","1") = "6"
    & skf21("7","1","6","6","6","2","1","1") = "6"
    & skf21("7","1","6","6","6","2","2","1") = "6"
    & skf21("7","1","6","6","6","2","3","1") = "6"
    & skf21("7","1","6","6","6","2","4","1") = "6"
    & skf21("7","1","6","6","6","2","5","1") = "6"
    & skf21("7","1","6","6","6","2","6","1") = "6"
    & skf21("7","1","6","6","6","2","7","1") = "6"
    & skf21("7","1","6","6","6","3","1","1") = "6"
    & skf21("7","1","6","6","6","3","2","1") = "6"
    & skf21("7","1","6","6","6","3","3","1") = "6"
    & skf21("7","1","6","6","6","3","4","1") = "6"
    & skf21("7","1","6","6","6","3","5","1") = "6"
    & skf21("7","1","6","6","6","3","6","1") = "6"
    & skf21("7","1","6","6","6","3","7","1") = "6"
    & skf21("7","1","6","6","6","4","1","1") = "6"
    & skf21("7","1","6","6","6","4","2","1") = "6"
    & skf21("7","1","6","6","6","4","3","1") = "6"
    & skf21("7","1","6","6","6","4","4","1") = "6"
    & skf21("7","1","6","6","6","4","5","1") = "6"
    & skf21("7","1","6","6","6","4","6","1") = "6"
    & skf21("7","1","6","6","6","4","7","1") = "6"
    & skf21("7","1","6","6","6","5","1","1") = "6"
    & skf21("7","1","6","6","6","5","2","1") = "6"
    & skf21("7","1","6","6","6","5","3","1") = "6"
    & skf21("7","1","6","6","6","5","4","1") = "6"
    & skf21("7","1","6","6","6","5","5","1") = "6"
    & skf21("7","1","6","6","6","5","6","1") = "6"
    & skf21("7","1","6","6","6","5","7","1") = "6"
    & skf21("7","1","6","6","6","6","1","1") = "6"
    & skf21("7","1","6","6","6","6","2","1") = "6"
    & skf21("7","1","6","6","6","6","3","1") = "6"
    & skf21("7","1","6","6","6","6","4","1") = "6"
    & skf21("7","1","6","6","6","6","5","1") = "6"
    & skf21("7","1","6","6","6","6","6","1") = "6"
    & skf21("7","1","6","6","6","6","7","1") = "6"
    & skf21("7","1","6","6","6","7","1","1") = "6"
    & skf21("7","1","6","6","6","7","2","1") = "6"
    & skf21("7","1","6","6","6","7","3","1") = "6"
    & skf21("7","1","6","6","6","7","4","1") = "6"
    & skf21("7","1","6","6","6","7","5","1") = "6"
    & skf21("7","1","6","6","6","7","6","1") = "6"
    & skf21("7","1","6","6","6","7","7","1") = "6"
    & skf21("7","1","6","6","7","1","1","1") = "6"
    & skf21("7","1","6","6","7","1","2","1") = "6"
    & skf21("7","1","6","6","7","1","3","1") = "6"
    & skf21("7","1","6","6","7","1","4","1") = "6"
    & skf21("7","1","6","6","7","1","5","1") = "6"
    & skf21("7","1","6","6","7","1","6","1") = "6"
    & skf21("7","1","6","6","7","1","7","1") = "6"
    & skf21("7","1","6","6","7","2","1","1") = "6"
    & skf21("7","1","6","6","7","2","2","1") = "6"
    & skf21("7","1","6","6","7","2","3","1") = "6"
    & skf21("7","1","6","6","7","2","4","1") = "6"
    & skf21("7","1","6","6","7","2","5","1") = "6"
    & skf21("7","1","6","6","7","2","6","1") = "6"
    & skf21("7","1","6","6","7","2","7","1") = "6"
    & skf21("7","1","6","6","7","3","1","1") = "6"
    & skf21("7","1","6","6","7","3","2","1") = "6"
    & skf21("7","1","6","6","7","3","3","1") = "6"
    & skf21("7","1","6","6","7","3","4","1") = "6"
    & skf21("7","1","6","6","7","3","5","1") = "6"
    & skf21("7","1","6","6","7","3","6","1") = "6"
    & skf21("7","1","6","6","7","3","7","1") = "6"
    & skf21("7","1","6","6","7","4","1","1") = "6"
    & skf21("7","1","6","6","7","4","2","1") = "6"
    & skf21("7","1","6","6","7","4","3","1") = "6"
    & skf21("7","1","6","6","7","4","4","1") = "6"
    & skf21("7","1","6","6","7","4","5","1") = "6"
    & skf21("7","1","6","6","7","4","6","1") = "6"
    & skf21("7","1","6","6","7","4","7","1") = "6"
    & skf21("7","1","6","6","7","5","1","1") = "6"
    & skf21("7","1","6","6","7","5","2","1") = "6"
    & skf21("7","1","6","6","7","5","3","1") = "6"
    & skf21("7","1","6","6","7","5","4","1") = "6"
    & skf21("7","1","6","6","7","5","5","1") = "6"
    & skf21("7","1","6","6","7","5","6","1") = "6"
    & skf21("7","1","6","6","7","5","7","1") = "6"
    & skf21("7","1","6","6","7","6","1","1") = "6"
    & skf21("7","1","6","6","7","6","2","1") = "6"
    & skf21("7","1","6","6","7","6","3","1") = "6"
    & skf21("7","1","6","6","7","6","4","1") = "6"
    & skf21("7","1","6","6","7","6","5","1") = "6"
    & skf21("7","1","6","6","7","6","6","1") = "6"
    & skf21("7","1","6","6","7","6","7","1") = "6"
    & skf21("7","1","6","6","7","7","1","1") = "6"
    & skf21("7","1","6","6","7","7","2","1") = "6"
    & skf21("7","1","6","6","7","7","3","1") = "6"
    & skf21("7","1","6","6","7","7","4","1") = "6"
    & skf21("7","1","6","6","7","7","5","1") = "6"
    & skf21("7","1","6","6","7","7","6","1") = "6"
    & skf21("7","1","6","6","7","7","7","1") = "6"
    & skf21("7","1","6","7","1","1","1","1") = "6"
    & skf21("7","1","6","7","1","1","2","1") = "6"
    & skf21("7","1","6","7","1","1","3","1") = "6"
    & skf21("7","1","6","7","1","1","4","1") = "6"
    & skf21("7","1","6","7","1","1","5","1") = "6"
    & skf21("7","1","6","7","1","1","6","1") = "6"
    & skf21("7","1","6","7","1","1","7","1") = "6"
    & skf21("7","1","6","7","1","2","1","1") = "6"
    & skf21("7","1","6","7","1","2","2","1") = "6"
    & skf21("7","1","6","7","1","2","3","1") = "6"
    & skf21("7","1","6","7","1","2","4","1") = "6"
    & skf21("7","1","6","7","1","2","5","1") = "6"
    & skf21("7","1","6","7","1","2","6","1") = "6"
    & skf21("7","1","6","7","1","2","7","1") = "6"
    & skf21("7","1","6","7","1","3","1","1") = "6"
    & skf21("7","1","6","7","1","3","2","1") = "6"
    & skf21("7","1","6","7","1","3","3","1") = "6"
    & skf21("7","1","6","7","1","3","4","1") = "6"
    & skf21("7","1","6","7","1","3","5","1") = "6"
    & skf21("7","1","6","7","1","3","6","1") = "6"
    & skf21("7","1","6","7","1","3","7","1") = "6"
    & skf21("7","1","6","7","1","4","1","1") = "6"
    & skf21("7","1","6","7","1","4","2","1") = "6"
    & skf21("7","1","6","7","1","4","3","1") = "6"
    & skf21("7","1","6","7","1","4","4","1") = "6"
    & skf21("7","1","6","7","1","4","5","1") = "6"
    & skf21("7","1","6","7","1","4","6","1") = "6"
    & skf21("7","1","6","7","1","4","7","1") = "6"
    & skf21("7","1","6","7","1","5","1","1") = "6"
    & skf21("7","1","6","7","1","5","2","1") = "6"
    & skf21("7","1","6","7","1","5","3","1") = "6"
    & skf21("7","1","6","7","1","5","4","1") = "6"
    & skf21("7","1","6","7","1","5","5","1") = "6"
    & skf21("7","1","6","7","1","5","6","1") = "6"
    & skf21("7","1","6","7","1","5","7","1") = "6"
    & skf21("7","1","6","7","1","6","1","1") = "6"
    & skf21("7","1","6","7","1","6","2","1") = "6"
    & skf21("7","1","6","7","1","6","3","1") = "6"
    & skf21("7","1","6","7","1","6","4","1") = "6"
    & skf21("7","1","6","7","1","6","5","1") = "6"
    & skf21("7","1","6","7","1","6","6","1") = "6"
    & skf21("7","1","6","7","1","6","7","1") = "6"
    & skf21("7","1","6","7","1","7","1","1") = "6"
    & skf21("7","1","6","7","1","7","2","1") = "6"
    & skf21("7","1","6","7","1","7","3","1") = "6"
    & skf21("7","1","6","7","1","7","4","1") = "6"
    & skf21("7","1","6","7","1","7","5","1") = "6"
    & skf21("7","1","6","7","1","7","6","1") = "6"
    & skf21("7","1","6","7","1","7","7","1") = "6"
    & skf21("7","1","6","7","2","1","1","1") = "6"
    & skf21("7","1","6","7","2","1","2","1") = "6"
    & skf21("7","1","6","7","2","1","3","1") = "6"
    & skf21("7","1","6","7","2","1","4","1") = "6"
    & skf21("7","1","6","7","2","1","5","1") = "6"
    & skf21("7","1","6","7","2","1","6","1") = "6"
    & skf21("7","1","6","7","2","1","7","1") = "6"
    & skf21("7","1","6","7","2","2","1","1") = "6"
    & skf21("7","1","6","7","2","2","2","1") = "6"
    & skf21("7","1","6","7","2","2","3","1") = "6"
    & skf21("7","1","6","7","2","2","4","1") = "6"
    & skf21("7","1","6","7","2","2","5","1") = "6"
    & skf21("7","1","6","7","2","2","6","1") = "6"
    & skf21("7","1","6","7","2","2","7","1") = "6"
    & skf21("7","1","6","7","2","3","1","1") = "6"
    & skf21("7","1","6","7","2","3","2","1") = "6"
    & skf21("7","1","6","7","2","3","3","1") = "6"
    & skf21("7","1","6","7","2","3","4","1") = "6"
    & skf21("7","1","6","7","2","3","5","1") = "6"
    & skf21("7","1","6","7","2","3","6","1") = "6"
    & skf21("7","1","6","7","2","3","7","1") = "6"
    & skf21("7","1","6","7","2","4","1","1") = "6"
    & skf21("7","1","6","7","2","4","2","1") = "6"
    & skf21("7","1","6","7","2","4","3","1") = "6"
    & skf21("7","1","6","7","2","4","4","1") = "6"
    & skf21("7","1","6","7","2","4","5","1") = "6"
    & skf21("7","1","6","7","2","4","6","1") = "6"
    & skf21("7","1","6","7","2","4","7","1") = "6"
    & skf21("7","1","6","7","2","5","1","1") = "6"
    & skf21("7","1","6","7","2","5","2","1") = "6"
    & skf21("7","1","6","7","2","5","3","1") = "6"
    & skf21("7","1","6","7","2","5","4","1") = "6"
    & skf21("7","1","6","7","2","5","5","1") = "6"
    & skf21("7","1","6","7","2","5","6","1") = "6"
    & skf21("7","1","6","7","2","5","7","1") = "6"
    & skf21("7","1","6","7","2","6","1","1") = "6"
    & skf21("7","1","6","7","2","6","2","1") = "6"
    & skf21("7","1","6","7","2","6","3","1") = "6"
    & skf21("7","1","6","7","2","6","4","1") = "6"
    & skf21("7","1","6","7","2","6","5","1") = "6"
    & skf21("7","1","6","7","2","6","6","1") = "6"
    & skf21("7","1","6","7","2","6","7","1") = "6"
    & skf21("7","1","6","7","2","7","1","1") = "6"
    & skf21("7","1","6","7","2","7","2","1") = "6"
    & skf21("7","1","6","7","2","7","3","1") = "6"
    & skf21("7","1","6","7","2","7","4","1") = "6"
    & skf21("7","1","6","7","2","7","5","1") = "6"
    & skf21("7","1","6","7","2","7","6","1") = "6"
    & skf21("7","1","6","7","2","7","7","1") = "6"
    & skf21("7","1","6","7","3","1","1","1") = "6"
    & skf21("7","1","6","7","3","1","2","1") = "6"
    & skf21("7","1","6","7","3","1","3","1") = "6"
    & skf21("7","1","6","7","3","1","4","1") = "6"
    & skf21("7","1","6","7","3","1","5","1") = "6"
    & skf21("7","1","6","7","3","1","6","1") = "6"
    & skf21("7","1","6","7","3","1","7","1") = "6"
    & skf21("7","1","6","7","3","2","1","1") = "6"
    & skf21("7","1","6","7","3","2","2","1") = "6"
    & skf21("7","1","6","7","3","2","3","1") = "6"
    & skf21("7","1","6","7","3","2","4","1") = "6"
    & skf21("7","1","6","7","3","2","5","1") = "6"
    & skf21("7","1","6","7","3","2","6","1") = "6"
    & skf21("7","1","6","7","3","2","7","1") = "6"
    & skf21("7","1","6","7","3","3","1","1") = "6"
    & skf21("7","1","6","7","3","3","2","1") = "6"
    & skf21("7","1","6","7","3","3","3","1") = "6"
    & skf21("7","1","6","7","3","3","4","1") = "6"
    & skf21("7","1","6","7","3","3","5","1") = "6"
    & skf21("7","1","6","7","3","3","6","1") = "6"
    & skf21("7","1","6","7","3","3","7","1") = "6"
    & skf21("7","1","6","7","3","4","1","1") = "6"
    & skf21("7","1","6","7","3","4","2","1") = "6"
    & skf21("7","1","6","7","3","4","3","1") = "6"
    & skf21("7","1","6","7","3","4","4","1") = "6"
    & skf21("7","1","6","7","3","4","5","1") = "6"
    & skf21("7","1","6","7","3","4","6","1") = "6"
    & skf21("7","1","6","7","3","4","7","1") = "6"
    & skf21("7","1","6","7","3","5","1","1") = "6"
    & skf21("7","1","6","7","3","5","2","1") = "6"
    & skf21("7","1","6","7","3","5","3","1") = "6"
    & skf21("7","1","6","7","3","5","4","1") = "6"
    & skf21("7","1","6","7","3","5","5","1") = "6"
    & skf21("7","1","6","7","3","5","6","1") = "6"
    & skf21("7","1","6","7","3","5","7","1") = "6"
    & skf21("7","1","6","7","3","6","1","1") = "6"
    & skf21("7","1","6","7","3","6","2","1") = "6"
    & skf21("7","1","6","7","3","6","3","1") = "6"
    & skf21("7","1","6","7","3","6","4","1") = "6"
    & skf21("7","1","6","7","3","6","5","1") = "6"
    & skf21("7","1","6","7","3","6","6","1") = "6"
    & skf21("7","1","6","7","3","6","7","1") = "6"
    & skf21("7","1","6","7","3","7","1","1") = "6"
    & skf21("7","1","6","7","3","7","2","1") = "6"
    & skf21("7","1","6","7","3","7","3","1") = "6"
    & skf21("7","1","6","7","3","7","4","1") = "6"
    & skf21("7","1","6","7","3","7","5","1") = "6"
    & skf21("7","1","6","7","3","7","6","1") = "6"
    & skf21("7","1","6","7","3","7","7","1") = "6"
    & skf21("7","1","6","7","4","1","1","1") = "6"
    & skf21("7","1","6","7","4","1","2","1") = "6"
    & skf21("7","1","6","7","4","1","3","1") = "6"
    & skf21("7","1","6","7","4","1","4","1") = "6"
    & skf21("7","1","6","7","4","1","5","1") = "6"
    & skf21("7","1","6","7","4","1","6","1") = "6"
    & skf21("7","1","6","7","4","1","7","1") = "6"
    & skf21("7","1","6","7","4","2","1","1") = "6"
    & skf21("7","1","6","7","4","2","2","1") = "6"
    & skf21("7","1","6","7","4","2","3","1") = "6"
    & skf21("7","1","6","7","4","2","4","1") = "6"
    & skf21("7","1","6","7","4","2","5","1") = "6"
    & skf21("7","1","6","7","4","2","6","1") = "6"
    & skf21("7","1","6","7","4","2","7","1") = "6"
    & skf21("7","1","6","7","4","3","1","1") = "6"
    & skf21("7","1","6","7","4","3","2","1") = "6"
    & skf21("7","1","6","7","4","3","3","1") = "6"
    & skf21("7","1","6","7","4","3","4","1") = "6"
    & skf21("7","1","6","7","4","3","5","1") = "6"
    & skf21("7","1","6","7","4","3","6","1") = "6"
    & skf21("7","1","6","7","4","3","7","1") = "6"
    & skf21("7","1","6","7","4","4","1","1") = "6"
    & skf21("7","1","6","7","4","4","2","1") = "6"
    & skf21("7","1","6","7","4","4","3","1") = "6"
    & skf21("7","1","6","7","4","4","4","1") = "6"
    & skf21("7","1","6","7","4","4","5","1") = "6"
    & skf21("7","1","6","7","4","4","6","1") = "6"
    & skf21("7","1","6","7","4","4","7","1") = "6"
    & skf21("7","1","6","7","4","5","1","1") = "6"
    & skf21("7","1","6","7","4","5","2","1") = "6"
    & skf21("7","1","6","7","4","5","3","1") = "6"
    & skf21("7","1","6","7","4","5","4","1") = "6"
    & skf21("7","1","6","7","4","5","5","1") = "6"
    & skf21("7","1","6","7","4","5","6","1") = "6"
    & skf21("7","1","6","7","4","5","7","1") = "6"
    & skf21("7","1","6","7","4","6","1","1") = "6"
    & skf21("7","1","6","7","4","6","2","1") = "6"
    & skf21("7","1","6","7","4","6","3","1") = "6"
    & skf21("7","1","6","7","4","6","4","1") = "6"
    & skf21("7","1","6","7","4","6","5","1") = "6"
    & skf21("7","1","6","7","4","6","6","1") = "6"
    & skf21("7","1","6","7","4","6","7","1") = "6"
    & skf21("7","1","6","7","4","7","1","1") = "6"
    & skf21("7","1","6","7","4","7","2","1") = "6"
    & skf21("7","1","6","7","4","7","3","1") = "6"
    & skf21("7","1","6","7","4","7","4","1") = "6"
    & skf21("7","1","6","7","4","7","5","1") = "6"
    & skf21("7","1","6","7","4","7","6","1") = "6"
    & skf21("7","1","6","7","4","7","7","1") = "6"
    & skf21("7","1","6","7","5","1","1","1") = "6"
    & skf21("7","1","6","7","5","1","2","1") = "6"
    & skf21("7","1","6","7","5","1","3","1") = "6"
    & skf21("7","1","6","7","5","1","4","1") = "6"
    & skf21("7","1","6","7","5","1","5","1") = "6"
    & skf21("7","1","6","7","5","1","6","1") = "6"
    & skf21("7","1","6","7","5","1","7","1") = "6"
    & skf21("7","1","6","7","5","2","1","1") = "6"
    & skf21("7","1","6","7","5","2","2","1") = "6"
    & skf21("7","1","6","7","5","2","3","1") = "6"
    & skf21("7","1","6","7","5","2","4","1") = "6"
    & skf21("7","1","6","7","5","2","5","1") = "6"
    & skf21("7","1","6","7","5","2","6","1") = "6"
    & skf21("7","1","6","7","5","2","7","1") = "6"
    & skf21("7","1","6","7","5","3","1","1") = "6"
    & skf21("7","1","6","7","5","3","2","1") = "6"
    & skf21("7","1","6","7","5","3","3","1") = "6"
    & skf21("7","1","6","7","5","3","4","1") = "6"
    & skf21("7","1","6","7","5","3","5","1") = "6"
    & skf21("7","1","6","7","5","3","6","1") = "6"
    & skf21("7","1","6","7","5","3","7","1") = "6"
    & skf21("7","1","6","7","5","4","1","1") = "6"
    & skf21("7","1","6","7","5","4","2","1") = "6"
    & skf21("7","1","6","7","5","4","3","1") = "6"
    & skf21("7","1","6","7","5","4","4","1") = "6"
    & skf21("7","1","6","7","5","4","5","1") = "6"
    & skf21("7","1","6","7","5","4","6","1") = "6"
    & skf21("7","1","6","7","5","4","7","1") = "6"
    & skf21("7","1","6","7","5","5","1","1") = "6"
    & skf21("7","1","6","7","5","5","2","1") = "6"
    & skf21("7","1","6","7","5","5","3","1") = "6"
    & skf21("7","1","6","7","5","5","4","1") = "6"
    & skf21("7","1","6","7","5","5","5","1") = "6"
    & skf21("7","1","6","7","5","5","6","1") = "6"
    & skf21("7","1","6","7","5","5","7","1") = "6"
    & skf21("7","1","6","7","5","6","1","1") = "6"
    & skf21("7","1","6","7","5","6","2","1") = "6"
    & skf21("7","1","6","7","5","6","3","1") = "6"
    & skf21("7","1","6","7","5","6","4","1") = "6"
    & skf21("7","1","6","7","5","6","5","1") = "6"
    & skf21("7","1","6","7","5","6","6","1") = "6"
    & skf21("7","1","6","7","5","6","7","1") = "6"
    & skf21("7","1","6","7","5","7","1","1") = "6"
    & skf21("7","1","6","7","5","7","2","1") = "6"
    & skf21("7","1","6","7","5","7","3","1") = "6"
    & skf21("7","1","6","7","5","7","4","1") = "6"
    & skf21("7","1","6","7","5","7","5","1") = "6"
    & skf21("7","1","6","7","5","7","6","1") = "6"
    & skf21("7","1","6","7","5","7","7","1") = "6"
    & skf21("7","1","6","7","6","1","1","1") = "6"
    & skf21("7","1","6","7","6","1","2","1") = "6"
    & skf21("7","1","6","7","6","1","3","1") = "6"
    & skf21("7","1","6","7","6","1","4","1") = "6"
    & skf21("7","1","6","7","6","1","5","1") = "6"
    & skf21("7","1","6","7","6","1","6","1") = "6"
    & skf21("7","1","6","7","6","1","7","1") = "6"
    & skf21("7","1","6","7","6","2","1","1") = "6"
    & skf21("7","1","6","7","6","2","2","1") = "6"
    & skf21("7","1","6","7","6","2","3","1") = "6"
    & skf21("7","1","6","7","6","2","4","1") = "6"
    & skf21("7","1","6","7","6","2","5","1") = "6"
    & skf21("7","1","6","7","6","2","6","1") = "6"
    & skf21("7","1","6","7","6","2","7","1") = "6"
    & skf21("7","1","6","7","6","3","1","1") = "6"
    & skf21("7","1","6","7","6","3","2","1") = "6"
    & skf21("7","1","6","7","6","3","3","1") = "6"
    & skf21("7","1","6","7","6","3","4","1") = "6"
    & skf21("7","1","6","7","6","3","5","1") = "6"
    & skf21("7","1","6","7","6","3","6","1") = "6"
    & skf21("7","1","6","7","6","3","7","1") = "6"
    & skf21("7","1","6","7","6","4","1","1") = "6"
    & skf21("7","1","6","7","6","4","2","1") = "6"
    & skf21("7","1","6","7","6","4","3","1") = "6"
    & skf21("7","1","6","7","6","4","4","1") = "6"
    & skf21("7","1","6","7","6","4","5","1") = "6"
    & skf21("7","1","6","7","6","4","6","1") = "6"
    & skf21("7","1","6","7","6","4","7","1") = "6"
    & skf21("7","1","6","7","6","5","1","1") = "6"
    & skf21("7","1","6","7","6","5","2","1") = "6"
    & skf21("7","1","6","7","6","5","3","1") = "6"
    & skf21("7","1","6","7","6","5","4","1") = "6"
    & skf21("7","1","6","7","6","5","5","1") = "6"
    & skf21("7","1","6","7","6","5","6","1") = "6"
    & skf21("7","1","6","7","6","5","7","1") = "6"
    & skf21("7","1","6","7","6","6","1","1") = "6"
    & skf21("7","1","6","7","6","6","2","1") = "6"
    & skf21("7","1","6","7","6","6","3","1") = "6"
    & skf21("7","1","6","7","6","6","4","1") = "6"
    & skf21("7","1","6","7","6","6","5","1") = "6"
    & skf21("7","1","6","7","6","6","6","1") = "6"
    & skf21("7","1","6","7","6","6","7","1") = "6"
    & skf21("7","1","6","7","6","7","1","1") = "6"
    & skf21("7","1","6","7","6","7","2","1") = "6"
    & skf21("7","1","6","7","6","7","3","1") = "6"
    & skf21("7","1","6","7","6","7","4","1") = "6"
    & skf21("7","1","6","7","6","7","5","1") = "6"
    & skf21("7","1","6","7","6","7","6","1") = "6"
    & skf21("7","1","6","7","6","7","7","1") = "6"
    & skf21("7","1","6","7","7","1","1","1") = "6"
    & skf21("7","1","6","7","7","1","2","1") = "6"
    & skf21("7","1","6","7","7","1","3","1") = "6"
    & skf21("7","1","6","7","7","1","4","1") = "6"
    & skf21("7","1","6","7","7","1","5","1") = "6"
    & skf21("7","1","6","7","7","1","6","1") = "6"
    & skf21("7","1","6","7","7","1","7","1") = "6"
    & skf21("7","1","6","7","7","2","1","1") = "6"
    & skf21("7","1","6","7","7","2","2","1") = "6"
    & skf21("7","1","6","7","7","2","3","1") = "6"
    & skf21("7","1","6","7","7","2","4","1") = "6"
    & skf21("7","1","6","7","7","2","5","1") = "6"
    & skf21("7","1","6","7","7","2","6","1") = "6"
    & skf21("7","1","6","7","7","2","7","1") = "6"
    & skf21("7","1","6","7","7","3","1","1") = "6"
    & skf21("7","1","6","7","7","3","2","1") = "6"
    & skf21("7","1","6","7","7","3","3","1") = "6"
    & skf21("7","1","6","7","7","3","4","1") = "6"
    & skf21("7","1","6","7","7","3","5","1") = "6"
    & skf21("7","1","6","7","7","3","6","1") = "6"
    & skf21("7","1","6","7","7","3","7","1") = "6"
    & skf21("7","1","6","7","7","4","1","1") = "6"
    & skf21("7","1","6","7","7","4","2","1") = "6"
    & skf21("7","1","6","7","7","4","3","1") = "6"
    & skf21("7","1","6","7","7","4","4","1") = "6"
    & skf21("7","1","6","7","7","4","5","1") = "6"
    & skf21("7","1","6","7","7","4","6","1") = "6"
    & skf21("7","1","6","7","7","4","7","1") = "6"
    & skf21("7","1","6","7","7","5","1","1") = "6"
    & skf21("7","1","6","7","7","5","2","1") = "6"
    & skf21("7","1","6","7","7","5","3","1") = "6"
    & skf21("7","1","6","7","7","5","4","1") = "6"
    & skf21("7","1","6","7","7","5","5","1") = "6"
    & skf21("7","1","6","7","7","5","6","1") = "6"
    & skf21("7","1","6","7","7","5","7","1") = "6"
    & skf21("7","1","6","7","7","6","1","1") = "6"
    & skf21("7","1","6","7","7","6","2","1") = "6"
    & skf21("7","1","6","7","7","6","3","1") = "6"
    & skf21("7","1","6","7","7","6","4","1") = "6"
    & skf21("7","1","6","7","7","6","5","1") = "6"
    & skf21("7","1","6","7","7","6","6","1") = "6"
    & skf21("7","1","6","7","7","6","7","1") = "6"
    & skf21("7","1","6","7","7","7","1","1") = "6"
    & skf21("7","1","6","7","7","7","2","1") = "6"
    & skf21("7","1","6","7","7","7","3","1") = "6"
    & skf21("7","1","6","7","7","7","4","1") = "6"
    & skf21("7","1","6","7","7","7","5","1") = "6"
    & skf21("7","1","6","7","7","7","6","1") = "6"
    & skf21("7","1","6","7","7","7","7","1") = "6"
    & skf21("7","1","7","1","1","1","1","1") = "6"
    & skf21("7","1","7","1","1","1","2","1") = "6"
    & skf21("7","1","7","1","1","1","3","1") = "6"
    & skf21("7","1","7","1","1","1","4","1") = "6"
    & skf21("7","1","7","1","1","1","5","1") = "6"
    & skf21("7","1","7","1","1","1","6","1") = "6"
    & skf21("7","1","7","1","1","1","7","1") = "6"
    & skf21("7","1","7","1","1","2","1","1") = "6"
    & skf21("7","1","7","1","1","2","2","1") = "6"
    & skf21("7","1","7","1","1","2","3","1") = "6"
    & skf21("7","1","7","1","1","2","4","1") = "6"
    & skf21("7","1","7","1","1","2","5","1") = "6"
    & skf21("7","1","7","1","1","2","6","1") = "6"
    & skf21("7","1","7","1","1","2","7","1") = "6"
    & skf21("7","1","7","1","1","3","1","1") = "6"
    & skf21("7","1","7","1","1","3","2","1") = "6"
    & skf21("7","1","7","1","1","3","3","1") = "6"
    & skf21("7","1","7","1","1","3","4","1") = "6"
    & skf21("7","1","7","1","1","3","5","1") = "6"
    & skf21("7","1","7","1","1","3","6","1") = "6"
    & skf21("7","1","7","1","1","3","7","1") = "6"
    & skf21("7","1","7","1","1","4","1","1") = "6"
    & skf21("7","1","7","1","1","4","2","1") = "6"
    & skf21("7","1","7","1","1","4","3","1") = "6"
    & skf21("7","1","7","1","1","4","4","1") = "6"
    & skf21("7","1","7","1","1","4","5","1") = "6"
    & skf21("7","1","7","1","1","4","6","1") = "6"
    & skf21("7","1","7","1","1","4","7","1") = "6"
    & skf21("7","1","7","1","1","5","1","1") = "6"
    & skf21("7","1","7","1","1","5","2","1") = "6"
    & skf21("7","1","7","1","1","5","3","1") = "6"
    & skf21("7","1","7","1","1","5","4","1") = "6"
    & skf21("7","1","7","1","1","5","5","1") = "6"
    & skf21("7","1","7","1","1","5","6","1") = "6"
    & skf21("7","1","7","1","1","5","7","1") = "6"
    & skf21("7","1","7","1","1","6","1","1") = "6"
    & skf21("7","1","7","1","1","6","2","1") = "6"
    & skf21("7","1","7","1","1","6","3","1") = "6"
    & skf21("7","1","7","1","1","6","4","1") = "6"
    & skf21("7","1","7","1","1","6","5","1") = "6"
    & skf21("7","1","7","1","1","6","6","1") = "6"
    & skf21("7","1","7","1","1","6","7","1") = "6"
    & skf21("7","1","7","1","1","7","1","1") = "6"
    & skf21("7","1","7","1","1","7","2","1") = "6"
    & skf21("7","1","7","1","1","7","3","1") = "6"
    & skf21("7","1","7","1","1","7","4","1") = "6"
    & skf21("7","1","7","1","1","7","5","1") = "6"
    & skf21("7","1","7","1","1","7","6","1") = "6"
    & skf21("7","1","7","1","1","7","7","1") = "6"
    & skf21("7","1","7","1","2","1","1","1") = "6"
    & skf21("7","1","7","1","2","1","2","1") = "6"
    & skf21("7","1","7","1","2","1","3","1") = "6"
    & skf21("7","1","7","1","2","1","4","1") = "6"
    & skf21("7","1","7","1","2","1","5","1") = "6"
    & skf21("7","1","7","1","2","1","6","1") = "6"
    & skf21("7","1","7","1","2","1","7","1") = "6"
    & skf21("7","1","7","1","2","2","1","1") = "6"
    & skf21("7","1","7","1","2","2","2","1") = "6"
    & skf21("7","1","7","1","2","2","3","1") = "6"
    & skf21("7","1","7","1","2","2","4","1") = "6"
    & skf21("7","1","7","1","2","2","5","1") = "6"
    & skf21("7","1","7","1","2","2","6","1") = "6"
    & skf21("7","1","7","1","2","2","7","1") = "6"
    & skf21("7","1","7","1","2","3","1","1") = "6"
    & skf21("7","1","7","1","2","3","2","1") = "6"
    & skf21("7","1","7","1","2","3","3","1") = "6"
    & skf21("7","1","7","1","2","3","4","1") = "6"
    & skf21("7","1","7","1","2","3","5","1") = "6"
    & skf21("7","1","7","1","2","3","6","1") = "6"
    & skf21("7","1","7","1","2","3","7","1") = "6"
    & skf21("7","1","7","1","2","4","1","1") = "6"
    & skf21("7","1","7","1","2","4","2","1") = "6"
    & skf21("7","1","7","1","2","4","3","1") = "6"
    & skf21("7","1","7","1","2","4","4","1") = "6"
    & skf21("7","1","7","1","2","4","5","1") = "6"
    & skf21("7","1","7","1","2","4","6","1") = "6"
    & skf21("7","1","7","1","2","4","7","1") = "6"
    & skf21("7","1","7","1","2","5","1","1") = "6"
    & skf21("7","1","7","1","2","5","2","1") = "6"
    & skf21("7","1","7","1","2","5","3","1") = "6"
    & skf21("7","1","7","1","2","5","4","1") = "6"
    & skf21("7","1","7","1","2","5","5","1") = "6"
    & skf21("7","1","7","1","2","5","6","1") = "6"
    & skf21("7","1","7","1","2","5","7","1") = "6"
    & skf21("7","1","7","1","2","6","1","1") = "6"
    & skf21("7","1","7","1","2","6","2","1") = "6"
    & skf21("7","1","7","1","2","6","3","1") = "6"
    & skf21("7","1","7","1","2","6","4","1") = "6"
    & skf21("7","1","7","1","2","6","5","1") = "6"
    & skf21("7","1","7","1","2","6","6","1") = "6"
    & skf21("7","1","7","1","2","6","7","1") = "6"
    & skf21("7","1","7","1","2","7","1","1") = "6"
    & skf21("7","1","7","1","2","7","2","1") = "6"
    & skf21("7","1","7","1","2","7","3","1") = "6"
    & skf21("7","1","7","1","2","7","4","1") = "6"
    & skf21("7","1","7","1","2","7","5","1") = "6"
    & skf21("7","1","7","1","2","7","6","1") = "6"
    & skf21("7","1","7","1","2","7","7","1") = "6"
    & skf21("7","1","7","1","3","1","1","1") = "6"
    & skf21("7","1","7","1","3","1","2","1") = "6"
    & skf21("7","1","7","1","3","1","3","1") = "6"
    & skf21("7","1","7","1","3","1","4","1") = "6"
    & skf21("7","1","7","1","3","1","5","1") = "6"
    & skf21("7","1","7","1","3","1","6","1") = "6"
    & skf21("7","1","7","1","3","1","7","1") = "6"
    & skf21("7","1","7","1","3","2","1","1") = "6"
    & skf21("7","1","7","1","3","2","2","1") = "6"
    & skf21("7","1","7","1","3","2","3","1") = "6"
    & skf21("7","1","7","1","3","2","4","1") = "6"
    & skf21("7","1","7","1","3","2","5","1") = "6"
    & skf21("7","1","7","1","3","2","6","1") = "6"
    & skf21("7","1","7","1","3","2","7","1") = "6"
    & skf21("7","1","7","1","3","3","1","1") = "6"
    & skf21("7","1","7","1","3","3","2","1") = "6"
    & skf21("7","1","7","1","3","3","3","1") = "6"
    & skf21("7","1","7","1","3","3","4","1") = "6"
    & skf21("7","1","7","1","3","3","5","1") = "6"
    & skf21("7","1","7","1","3","3","6","1") = "6"
    & skf21("7","1","7","1","3","3","7","1") = "6"
    & skf21("7","1","7","1","3","4","1","1") = "6"
    & skf21("7","1","7","1","3","4","2","1") = "6"
    & skf21("7","1","7","1","3","4","3","1") = "6"
    & skf21("7","1","7","1","3","4","4","1") = "6"
    & skf21("7","1","7","1","3","4","5","1") = "6"
    & skf21("7","1","7","1","3","4","6","1") = "6"
    & skf21("7","1","7","1","3","4","7","1") = "6"
    & skf21("7","1","7","1","3","5","1","1") = "6"
    & skf21("7","1","7","1","3","5","2","1") = "6"
    & skf21("7","1","7","1","3","5","3","1") = "6"
    & skf21("7","1","7","1","3","5","4","1") = "6"
    & skf21("7","1","7","1","3","5","5","1") = "6"
    & skf21("7","1","7","1","3","5","6","1") = "6"
    & skf21("7","1","7","1","3","5","7","1") = "6"
    & skf21("7","1","7","1","3","6","1","1") = "6"
    & skf21("7","1","7","1","3","6","2","1") = "6"
    & skf21("7","1","7","1","3","6","3","1") = "6"
    & skf21("7","1","7","1","3","6","4","1") = "6"
    & skf21("7","1","7","1","3","6","5","1") = "6"
    & skf21("7","1","7","1","3","6","6","1") = "6"
    & skf21("7","1","7","1","3","6","7","1") = "6"
    & skf21("7","1","7","1","3","7","1","1") = "6"
    & skf21("7","1","7","1","3","7","2","1") = "6"
    & skf21("7","1","7","1","3","7","3","1") = "6"
    & skf21("7","1","7","1","3","7","4","1") = "6"
    & skf21("7","1","7","1","3","7","5","1") = "6"
    & skf21("7","1","7","1","3","7","6","1") = "6"
    & skf21("7","1","7","1","3","7","7","1") = "6"
    & skf21("7","1","7","1","4","1","1","1") = "6"
    & skf21("7","1","7","1","4","1","2","1") = "6"
    & skf21("7","1","7","1","4","1","3","1") = "6"
    & skf21("7","1","7","1","4","1","4","1") = "6"
    & skf21("7","1","7","1","4","1","5","1") = "6"
    & skf21("7","1","7","1","4","1","6","1") = "6"
    & skf21("7","1","7","1","4","1","7","1") = "6"
    & skf21("7","1","7","1","4","2","1","1") = "6"
    & skf21("7","1","7","1","4","2","2","1") = "6"
    & skf21("7","1","7","1","4","2","3","1") = "6"
    & skf21("7","1","7","1","4","2","4","1") = "6"
    & skf21("7","1","7","1","4","2","5","1") = "6"
    & skf21("7","1","7","1","4","2","6","1") = "6"
    & skf21("7","1","7","1","4","2","7","1") = "6"
    & skf21("7","1","7","1","4","3","1","1") = "6"
    & skf21("7","1","7","1","4","3","2","1") = "6"
    & skf21("7","1","7","1","4","3","3","1") = "6"
    & skf21("7","1","7","1","4","3","4","1") = "6"
    & skf21("7","1","7","1","4","3","5","1") = "6"
    & skf21("7","1","7","1","4","3","6","1") = "6"
    & skf21("7","1","7","1","4","3","7","1") = "6"
    & skf21("7","1","7","1","4","4","1","1") = "6"
    & skf21("7","1","7","1","4","4","2","1") = "6"
    & skf21("7","1","7","1","4","4","3","1") = "6"
    & skf21("7","1","7","1","4","4","4","1") = "6"
    & skf21("7","1","7","1","4","4","5","1") = "6"
    & skf21("7","1","7","1","4","4","6","1") = "6"
    & skf21("7","1","7","1","4","4","7","1") = "6"
    & skf21("7","1","7","1","4","5","1","1") = "6"
    & skf21("7","1","7","1","4","5","2","1") = "6"
    & skf21("7","1","7","1","4","5","3","1") = "6"
    & skf21("7","1","7","1","4","5","4","1") = "6"
    & skf21("7","1","7","1","4","5","5","1") = "6"
    & skf21("7","1","7","1","4","5","6","1") = "6"
    & skf21("7","1","7","1","4","5","7","1") = "6"
    & skf21("7","1","7","1","4","6","1","1") = "6"
    & skf21("7","1","7","1","4","6","2","1") = "6"
    & skf21("7","1","7","1","4","6","3","1") = "6"
    & skf21("7","1","7","1","4","6","4","1") = "6"
    & skf21("7","1","7","1","4","6","5","1") = "6"
    & skf21("7","1","7","1","4","6","6","1") = "6"
    & skf21("7","1","7","1","4","6","7","1") = "6"
    & skf21("7","1","7","1","4","7","1","1") = "6"
    & skf21("7","1","7","1","4","7","2","1") = "6"
    & skf21("7","1","7","1","4","7","3","1") = "6"
    & skf21("7","1","7","1","4","7","4","1") = "6"
    & skf21("7","1","7","1","4","7","5","1") = "6"
    & skf21("7","1","7","1","4","7","6","1") = "6"
    & skf21("7","1","7","1","4","7","7","1") = "6"
    & skf21("7","1","7","1","5","1","1","1") = "6"
    & skf21("7","1","7","1","5","1","2","1") = "6"
    & skf21("7","1","7","1","5","1","3","1") = "6"
    & skf21("7","1","7","1","5","1","4","1") = "6"
    & skf21("7","1","7","1","5","1","5","1") = "6"
    & skf21("7","1","7","1","5","1","6","1") = "6"
    & skf21("7","1","7","1","5","1","7","1") = "6"
    & skf21("7","1","7","1","5","2","1","1") = "6"
    & skf21("7","1","7","1","5","2","2","1") = "6"
    & skf21("7","1","7","1","5","2","3","1") = "6"
    & skf21("7","1","7","1","5","2","4","1") = "6"
    & skf21("7","1","7","1","5","2","5","1") = "6"
    & skf21("7","1","7","1","5","2","6","1") = "6"
    & skf21("7","1","7","1","5","2","7","1") = "6"
    & skf21("7","1","7","1","5","3","1","1") = "6"
    & skf21("7","1","7","1","5","3","2","1") = "6"
    & skf21("7","1","7","1","5","3","3","1") = "6"
    & skf21("7","1","7","1","5","3","4","1") = "6"
    & skf21("7","1","7","1","5","3","5","1") = "6"
    & skf21("7","1","7","1","5","3","6","1") = "6"
    & skf21("7","1","7","1","5","3","7","1") = "6"
    & skf21("7","1","7","1","5","4","1","1") = "6"
    & skf21("7","1","7","1","5","4","2","1") = "6"
    & skf21("7","1","7","1","5","4","3","1") = "6"
    & skf21("7","1","7","1","5","4","4","1") = "6"
    & skf21("7","1","7","1","5","4","5","1") = "6"
    & skf21("7","1","7","1","5","4","6","1") = "6"
    & skf21("7","1","7","1","5","4","7","1") = "6"
    & skf21("7","1","7","1","5","5","1","1") = "6"
    & skf21("7","1","7","1","5","5","2","1") = "6"
    & skf21("7","1","7","1","5","5","3","1") = "6"
    & skf21("7","1","7","1","5","5","4","1") = "6"
    & skf21("7","1","7","1","5","5","5","1") = "6"
    & skf21("7","1","7","1","5","5","6","1") = "6"
    & skf21("7","1","7","1","5","5","7","1") = "6"
    & skf21("7","1","7","1","5","6","1","1") = "6"
    & skf21("7","1","7","1","5","6","2","1") = "6"
    & skf21("7","1","7","1","5","6","3","1") = "6"
    & skf21("7","1","7","1","5","6","4","1") = "6"
    & skf21("7","1","7","1","5","6","5","1") = "6"
    & skf21("7","1","7","1","5","6","6","1") = "6"
    & skf21("7","1","7","1","5","6","7","1") = "6"
    & skf21("7","1","7","1","5","7","1","1") = "6"
    & skf21("7","1","7","1","5","7","2","1") = "6"
    & skf21("7","1","7","1","5","7","3","1") = "6"
    & skf21("7","1","7","1","5","7","4","1") = "6"
    & skf21("7","1","7","1","5","7","5","1") = "6"
    & skf21("7","1","7","1","5","7","6","1") = "6"
    & skf21("7","1","7","1","5","7","7","1") = "6"
    & skf21("7","1","7","1","6","1","1","1") = "6"
    & skf21("7","1","7","1","6","1","2","1") = "6"
    & skf21("7","1","7","1","6","1","3","1") = "6"
    & skf21("7","1","7","1","6","1","4","1") = "6"
    & skf21("7","1","7","1","6","1","5","1") = "6"
    & skf21("7","1","7","1","6","1","6","1") = "6"
    & skf21("7","1","7","1","6","1","7","1") = "6"
    & skf21("7","1","7","1","6","2","1","1") = "6"
    & skf21("7","1","7","1","6","2","2","1") = "6"
    & skf21("7","1","7","1","6","2","3","1") = "6"
    & skf21("7","1","7","1","6","2","4","1") = "6"
    & skf21("7","1","7","1","6","2","5","1") = "6"
    & skf21("7","1","7","1","6","2","6","1") = "6"
    & skf21("7","1","7","1","6","2","7","1") = "6"
    & skf21("7","1","7","1","6","3","1","1") = "6"
    & skf21("7","1","7","1","6","3","2","1") = "6"
    & skf21("7","1","7","1","6","3","3","1") = "6"
    & skf21("7","1","7","1","6","3","4","1") = "6"
    & skf21("7","1","7","1","6","3","5","1") = "6"
    & skf21("7","1","7","1","6","3","6","1") = "6"
    & skf21("7","1","7","1","6","3","7","1") = "6"
    & skf21("7","1","7","1","6","4","1","1") = "6"
    & skf21("7","1","7","1","6","4","2","1") = "6"
    & skf21("7","1","7","1","6","4","3","1") = "6"
    & skf21("7","1","7","1","6","4","4","1") = "6"
    & skf21("7","1","7","1","6","4","5","1") = "6"
    & skf21("7","1","7","1","6","4","6","1") = "6"
    & skf21("7","1","7","1","6","4","7","1") = "6"
    & skf21("7","1","7","1","6","5","1","1") = "6"
    & skf21("7","1","7","1","6","5","2","1") = "6"
    & skf21("7","1","7","1","6","5","3","1") = "6"
    & skf21("7","1","7","1","6","5","4","1") = "6"
    & skf21("7","1","7","1","6","5","5","1") = "6"
    & skf21("7","1","7","1","6","5","6","1") = "6"
    & skf21("7","1","7","1","6","5","7","1") = "6"
    & skf21("7","1","7","1","6","6","1","1") = "6"
    & skf21("7","1","7","1","6","6","2","1") = "6"
    & skf21("7","1","7","1","6","6","3","1") = "6"
    & skf21("7","1","7","1","6","6","4","1") = "6"
    & skf21("7","1","7","1","6","6","5","1") = "6"
    & skf21("7","1","7","1","6","6","6","1") = "6"
    & skf21("7","1","7","1","6","6","7","1") = "6"
    & skf21("7","1","7","1","6","7","1","1") = "6"
    & skf21("7","1","7","1","6","7","2","1") = "6"
    & skf21("7","1","7","1","6","7","3","1") = "6"
    & skf21("7","1","7","1","6","7","4","1") = "6"
    & skf21("7","1","7","1","6","7","5","1") = "6"
    & skf21("7","1","7","1","6","7","6","1") = "6"
    & skf21("7","1","7","1","6","7","7","1") = "6"
    & skf21("7","1","7","1","7","1","1","1") = "6"
    & skf21("7","1","7","1","7","1","2","1") = "6"
    & skf21("7","1","7","1","7","1","3","1") = "6"
    & skf21("7","1","7","1","7","1","4","1") = "6"
    & skf21("7","1","7","1","7","1","5","1") = "6"
    & skf21("7","1","7","1","7","1","6","1") = "6"
    & skf21("7","1","7","1","7","1","7","1") = "6"
    & skf21("7","1","7","1","7","2","1","1") = "6"
    & skf21("7","1","7","1","7","2","2","1") = "6"
    & skf21("7","1","7","1","7","2","3","1") = "6"
    & skf21("7","1","7","1","7","2","4","1") = "6"
    & skf21("7","1","7","1","7","2","5","1") = "6"
    & skf21("7","1","7","1","7","2","6","1") = "6"
    & skf21("7","1","7","1","7","2","7","1") = "6"
    & skf21("7","1","7","1","7","3","1","1") = "6"
    & skf21("7","1","7","1","7","3","2","1") = "6"
    & skf21("7","1","7","1","7","3","3","1") = "6"
    & skf21("7","1","7","1","7","3","4","1") = "6"
    & skf21("7","1","7","1","7","3","5","1") = "6"
    & skf21("7","1","7","1","7","3","6","1") = "6"
    & skf21("7","1","7","1","7","3","7","1") = "6"
    & skf21("7","1","7","1","7","4","1","1") = "6"
    & skf21("7","1","7","1","7","4","2","1") = "6"
    & skf21("7","1","7","1","7","4","3","1") = "6"
    & skf21("7","1","7","1","7","4","4","1") = "6"
    & skf21("7","1","7","1","7","4","5","1") = "6"
    & skf21("7","1","7","1","7","4","6","1") = "6"
    & skf21("7","1","7","1","7","4","7","1") = "6"
    & skf21("7","1","7","1","7","5","1","1") = "6"
    & skf21("7","1","7","1","7","5","2","1") = "6"
    & skf21("7","1","7","1","7","5","3","1") = "6"
    & skf21("7","1","7","1","7","5","4","1") = "6"
    & skf21("7","1","7","1","7","5","5","1") = "6"
    & skf21("7","1","7","1","7","5","6","1") = "6"
    & skf21("7","1","7","1","7","5","7","1") = "6"
    & skf21("7","1","7","1","7","6","1","1") = "6"
    & skf21("7","1","7","1","7","6","2","1") = "6"
    & skf21("7","1","7","1","7","6","3","1") = "6"
    & skf21("7","1","7","1","7","6","4","1") = "6"
    & skf21("7","1","7","1","7","6","5","1") = "6"
    & skf21("7","1","7","1","7","6","6","1") = "6"
    & skf21("7","1","7","1","7","6","7","1") = "6"
    & skf21("7","1","7","1","7","7","1","1") = "6"
    & skf21("7","1","7","1","7","7","2","1") = "6"
    & skf21("7","1","7","1","7","7","3","1") = "6"
    & skf21("7","1","7","1","7","7","4","1") = "6"
    & skf21("7","1","7","1","7","7","5","1") = "6"
    & skf21("7","1","7","1","7","7","6","1") = "6"
    & skf21("7","1","7","1","7","7","7","1") = "6"
    & skf21("7","1","7","2","1","1","1","1") = "6"
    & skf21("7","1","7","2","1","1","2","1") = "6"
    & skf21("7","1","7","2","1","1","3","1") = "6"
    & skf21("7","1","7","2","1","1","4","1") = "6"
    & skf21("7","1","7","2","1","1","5","1") = "6"
    & skf21("7","1","7","2","1","1","6","1") = "6"
    & skf21("7","1","7","2","1","1","7","1") = "6"
    & skf21("7","1","7","2","1","2","1","1") = "6"
    & skf21("7","1","7","2","1","2","2","1") = "6"
    & skf21("7","1","7","2","1","2","3","1") = "6"
    & skf21("7","1","7","2","1","2","4","1") = "6"
    & skf21("7","1","7","2","1","2","5","1") = "6"
    & skf21("7","1","7","2","1","2","6","1") = "6"
    & skf21("7","1","7","2","1","2","7","1") = "6"
    & skf21("7","1","7","2","1","3","1","1") = "6"
    & skf21("7","1","7","2","1","3","2","1") = "6"
    & skf21("7","1","7","2","1","3","3","1") = "6"
    & skf21("7","1","7","2","1","3","4","1") = "6"
    & skf21("7","1","7","2","1","3","5","1") = "6"
    & skf21("7","1","7","2","1","3","6","1") = "6"
    & skf21("7","1","7","2","1","3","7","1") = "6"
    & skf21("7","1","7","2","1","4","1","1") = "6"
    & skf21("7","1","7","2","1","4","2","1") = "6"
    & skf21("7","1","7","2","1","4","3","1") = "6"
    & skf21("7","1","7","2","1","4","4","1") = "6"
    & skf21("7","1","7","2","1","4","5","1") = "6"
    & skf21("7","1","7","2","1","4","6","1") = "6"
    & skf21("7","1","7","2","1","4","7","1") = "6"
    & skf21("7","1","7","2","1","5","1","1") = "6"
    & skf21("7","1","7","2","1","5","2","1") = "6"
    & skf21("7","1","7","2","1","5","3","1") = "6"
    & skf21("7","1","7","2","1","5","4","1") = "6"
    & skf21("7","1","7","2","1","5","5","1") = "6"
    & skf21("7","1","7","2","1","5","6","1") = "6"
    & skf21("7","1","7","2","1","5","7","1") = "6"
    & skf21("7","1","7","2","1","6","1","1") = "6"
    & skf21("7","1","7","2","1","6","2","1") = "6"
    & skf21("7","1","7","2","1","6","3","1") = "6"
    & skf21("7","1","7","2","1","6","4","1") = "6"
    & skf21("7","1","7","2","1","6","5","1") = "6"
    & skf21("7","1","7","2","1","6","6","1") = "6"
    & skf21("7","1","7","2","1","6","7","1") = "6"
    & skf21("7","1","7","2","1","7","1","1") = "6"
    & skf21("7","1","7","2","1","7","2","1") = "6"
    & skf21("7","1","7","2","1","7","3","1") = "6"
    & skf21("7","1","7","2","1","7","4","1") = "6"
    & skf21("7","1","7","2","1","7","5","1") = "6"
    & skf21("7","1","7","2","1","7","6","1") = "6"
    & skf21("7","1","7","2","1","7","7","1") = "6"
    & skf21("7","1","7","2","2","1","1","1") = "6"
    & skf21("7","1","7","2","2","1","2","1") = "6"
    & skf21("7","1","7","2","2","1","3","1") = "6"
    & skf21("7","1","7","2","2","1","4","1") = "6"
    & skf21("7","1","7","2","2","1","5","1") = "6"
    & skf21("7","1","7","2","2","1","6","1") = "6"
    & skf21("7","1","7","2","2","1","7","1") = "6"
    & skf21("7","1","7","2","2","2","1","1") = "6"
    & skf21("7","1","7","2","2","2","2","1") = "6"
    & skf21("7","1","7","2","2","2","3","1") = "6"
    & skf21("7","1","7","2","2","2","4","1") = "6"
    & skf21("7","1","7","2","2","2","5","1") = "6"
    & skf21("7","1","7","2","2","2","6","1") = "6"
    & skf21("7","1","7","2","2","2","7","1") = "6"
    & skf21("7","1","7","2","2","3","1","1") = "6"
    & skf21("7","1","7","2","2","3","2","1") = "6"
    & skf21("7","1","7","2","2","3","3","1") = "6"
    & skf21("7","1","7","2","2","3","4","1") = "6"
    & skf21("7","1","7","2","2","3","5","1") = "6"
    & skf21("7","1","7","2","2","3","6","1") = "6"
    & skf21("7","1","7","2","2","3","7","1") = "6"
    & skf21("7","1","7","2","2","4","1","1") = "6"
    & skf21("7","1","7","2","2","4","2","1") = "6"
    & skf21("7","1","7","2","2","4","3","1") = "6"
    & skf21("7","1","7","2","2","4","4","1") = "6"
    & skf21("7","1","7","2","2","4","5","1") = "6"
    & skf21("7","1","7","2","2","4","6","1") = "6"
    & skf21("7","1","7","2","2","4","7","1") = "6"
    & skf21("7","1","7","2","2","5","1","1") = "6"
    & skf21("7","1","7","2","2","5","2","1") = "6"
    & skf21("7","1","7","2","2","5","3","1") = "6"
    & skf21("7","1","7","2","2","5","4","1") = "6"
    & skf21("7","1","7","2","2","5","5","1") = "6"
    & skf21("7","1","7","2","2","5","6","1") = "6"
    & skf21("7","1","7","2","2","5","7","1") = "6"
    & skf21("7","1","7","2","2","6","1","1") = "6"
    & skf21("7","1","7","2","2","6","2","1") = "6"
    & skf21("7","1","7","2","2","6","3","1") = "6"
    & skf21("7","1","7","2","2","6","4","1") = "6"
    & skf21("7","1","7","2","2","6","5","1") = "6"
    & skf21("7","1","7","2","2","6","6","1") = "6"
    & skf21("7","1","7","2","2","6","7","1") = "6"
    & skf21("7","1","7","2","2","7","1","1") = "6"
    & skf21("7","1","7","2","2","7","2","1") = "6"
    & skf21("7","1","7","2","2","7","3","1") = "6"
    & skf21("7","1","7","2","2","7","4","1") = "6"
    & skf21("7","1","7","2","2","7","5","1") = "6"
    & skf21("7","1","7","2","2","7","6","1") = "6"
    & skf21("7","1","7","2","2","7","7","1") = "6"
    & skf21("7","1","7","2","3","1","1","1") = "6"
    & skf21("7","1","7","2","3","1","2","1") = "6"
    & skf21("7","1","7","2","3","1","3","1") = "6"
    & skf21("7","1","7","2","3","1","4","1") = "6"
    & skf21("7","1","7","2","3","1","5","1") = "6"
    & skf21("7","1","7","2","3","1","6","1") = "6"
    & skf21("7","1","7","2","3","1","7","1") = "6"
    & skf21("7","1","7","2","3","2","1","1") = "6"
    & skf21("7","1","7","2","3","2","2","1") = "6"
    & skf21("7","1","7","2","3","2","3","1") = "6"
    & skf21("7","1","7","2","3","2","4","1") = "6"
    & skf21("7","1","7","2","3","2","5","1") = "6"
    & skf21("7","1","7","2","3","2","6","1") = "6"
    & skf21("7","1","7","2","3","2","7","1") = "6"
    & skf21("7","1","7","2","3","3","1","1") = "6"
    & skf21("7","1","7","2","3","3","2","1") = "6"
    & skf21("7","1","7","2","3","3","3","1") = "6"
    & skf21("7","1","7","2","3","3","4","1") = "6"
    & skf21("7","1","7","2","3","3","5","1") = "6"
    & skf21("7","1","7","2","3","3","6","1") = "6"
    & skf21("7","1","7","2","3","3","7","1") = "6"
    & skf21("7","1","7","2","3","4","1","1") = "6"
    & skf21("7","1","7","2","3","4","2","1") = "6"
    & skf21("7","1","7","2","3","4","3","1") = "6"
    & skf21("7","1","7","2","3","4","4","1") = "6"
    & skf21("7","1","7","2","3","4","5","1") = "6"
    & skf21("7","1","7","2","3","4","6","1") = "6"
    & skf21("7","1","7","2","3","4","7","1") = "6"
    & skf21("7","1","7","2","3","5","1","1") = "6"
    & skf21("7","1","7","2","3","5","2","1") = "6"
    & skf21("7","1","7","2","3","5","3","1") = "6"
    & skf21("7","1","7","2","3","5","4","1") = "6"
    & skf21("7","1","7","2","3","5","5","1") = "6"
    & skf21("7","1","7","2","3","5","6","1") = "6"
    & skf21("7","1","7","2","3","5","7","1") = "6"
    & skf21("7","1","7","2","3","6","1","1") = "6"
    & skf21("7","1","7","2","3","6","2","1") = "6"
    & skf21("7","1","7","2","3","6","3","1") = "6"
    & skf21("7","1","7","2","3","6","4","1") = "6"
    & skf21("7","1","7","2","3","6","5","1") = "6"
    & skf21("7","1","7","2","3","6","6","1") = "6"
    & skf21("7","1","7","2","3","6","7","1") = "6"
    & skf21("7","1","7","2","3","7","1","1") = "6"
    & skf21("7","1","7","2","3","7","2","1") = "6"
    & skf21("7","1","7","2","3","7","3","1") = "6"
    & skf21("7","1","7","2","3","7","4","1") = "6"
    & skf21("7","1","7","2","3","7","5","1") = "6"
    & skf21("7","1","7","2","3","7","6","1") = "6"
    & skf21("7","1","7","2","3","7","7","1") = "6"
    & skf21("7","1","7","2","4","1","1","1") = "6"
    & skf21("7","1","7","2","4","1","2","1") = "6"
    & skf21("7","1","7","2","4","1","3","1") = "6"
    & skf21("7","1","7","2","4","1","4","1") = "6"
    & skf21("7","1","7","2","4","1","5","1") = "6"
    & skf21("7","1","7","2","4","1","6","1") = "6"
    & skf21("7","1","7","2","4","1","7","1") = "6"
    & skf21("7","1","7","2","4","2","1","1") = "6"
    & skf21("7","1","7","2","4","2","2","1") = "6"
    & skf21("7","1","7","2","4","2","3","1") = "6"
    & skf21("7","1","7","2","4","2","4","1") = "6"
    & skf21("7","1","7","2","4","2","5","1") = "6"
    & skf21("7","1","7","2","4","2","6","1") = "6"
    & skf21("7","1","7","2","4","2","7","1") = "6"
    & skf21("7","1","7","2","4","3","1","1") = "6"
    & skf21("7","1","7","2","4","3","2","1") = "6"
    & skf21("7","1","7","2","4","3","3","1") = "6"
    & skf21("7","1","7","2","4","3","4","1") = "6"
    & skf21("7","1","7","2","4","3","5","1") = "6"
    & skf21("7","1","7","2","4","3","6","1") = "6"
    & skf21("7","1","7","2","4","3","7","1") = "6"
    & skf21("7","1","7","2","4","4","1","1") = "6"
    & skf21("7","1","7","2","4","4","2","1") = "6"
    & skf21("7","1","7","2","4","4","3","1") = "6"
    & skf21("7","1","7","2","4","4","4","1") = "6"
    & skf21("7","1","7","2","4","4","5","1") = "6"
    & skf21("7","1","7","2","4","4","6","1") = "6"
    & skf21("7","1","7","2","4","4","7","1") = "6"
    & skf21("7","1","7","2","4","5","1","1") = "6"
    & skf21("7","1","7","2","4","5","2","1") = "6"
    & skf21("7","1","7","2","4","5","3","1") = "6"
    & skf21("7","1","7","2","4","5","4","1") = "6"
    & skf21("7","1","7","2","4","5","5","1") = "6"
    & skf21("7","1","7","2","4","5","6","1") = "6"
    & skf21("7","1","7","2","4","5","7","1") = "6"
    & skf21("7","1","7","2","4","6","1","1") = "6"
    & skf21("7","1","7","2","4","6","2","1") = "6"
    & skf21("7","1","7","2","4","6","3","1") = "6"
    & skf21("7","1","7","2","4","6","4","1") = "6"
    & skf21("7","1","7","2","4","6","5","1") = "6"
    & skf21("7","1","7","2","4","6","6","1") = "6"
    & skf21("7","1","7","2","4","6","7","1") = "6"
    & skf21("7","1","7","2","4","7","1","1") = "6"
    & skf21("7","1","7","2","4","7","2","1") = "6"
    & skf21("7","1","7","2","4","7","3","1") = "6"
    & skf21("7","1","7","2","4","7","4","1") = "6"
    & skf21("7","1","7","2","4","7","5","1") = "6"
    & skf21("7","1","7","2","4","7","6","1") = "6"
    & skf21("7","1","7","2","4","7","7","1") = "6"
    & skf21("7","1","7","2","5","1","1","1") = "6"
    & skf21("7","1","7","2","5","1","2","1") = "6"
    & skf21("7","1","7","2","5","1","3","1") = "6"
    & skf21("7","1","7","2","5","1","4","1") = "6"
    & skf21("7","1","7","2","5","1","5","1") = "6"
    & skf21("7","1","7","2","5","1","6","1") = "6"
    & skf21("7","1","7","2","5","1","7","1") = "6"
    & skf21("7","1","7","2","5","2","1","1") = "6"
    & skf21("7","1","7","2","5","2","2","1") = "6"
    & skf21("7","1","7","2","5","2","3","1") = "6"
    & skf21("7","1","7","2","5","2","4","1") = "6"
    & skf21("7","1","7","2","5","2","5","1") = "6"
    & skf21("7","1","7","2","5","2","6","1") = "6"
    & skf21("7","1","7","2","5","2","7","1") = "6"
    & skf21("7","1","7","2","5","3","1","1") = "6"
    & skf21("7","1","7","2","5","3","2","1") = "6"
    & skf21("7","1","7","2","5","3","3","1") = "6"
    & skf21("7","1","7","2","5","3","4","1") = "6"
    & skf21("7","1","7","2","5","3","5","1") = "6"
    & skf21("7","1","7","2","5","3","6","1") = "6"
    & skf21("7","1","7","2","5","3","7","1") = "6"
    & skf21("7","1","7","2","5","4","1","1") = "6"
    & skf21("7","1","7","2","5","4","2","1") = "6"
    & skf21("7","1","7","2","5","4","3","1") = "6"
    & skf21("7","1","7","2","5","4","4","1") = "6"
    & skf21("7","1","7","2","5","4","5","1") = "6"
    & skf21("7","1","7","2","5","4","6","1") = "6"
    & skf21("7","1","7","2","5","4","7","1") = "6"
    & skf21("7","1","7","2","5","5","1","1") = "6"
    & skf21("7","1","7","2","5","5","2","1") = "6"
    & skf21("7","1","7","2","5","5","3","1") = "6"
    & skf21("7","1","7","2","5","5","4","1") = "6"
    & skf21("7","1","7","2","5","5","5","1") = "6"
    & skf21("7","1","7","2","5","5","6","1") = "6"
    & skf21("7","1","7","2","5","5","7","1") = "6"
    & skf21("7","1","7","2","5","6","1","1") = "6"
    & skf21("7","1","7","2","5","6","2","1") = "6"
    & skf21("7","1","7","2","5","6","3","1") = "6"
    & skf21("7","1","7","2","5","6","4","1") = "6"
    & skf21("7","1","7","2","5","6","5","1") = "6"
    & skf21("7","1","7","2","5","6","6","1") = "6"
    & skf21("7","1","7","2","5","6","7","1") = "6"
    & skf21("7","1","7","2","5","7","1","1") = "6"
    & skf21("7","1","7","2","5","7","2","1") = "6"
    & skf21("7","1","7","2","5","7","3","1") = "6"
    & skf21("7","1","7","2","5","7","4","1") = "6"
    & skf21("7","1","7","2","5","7","5","1") = "6"
    & skf21("7","1","7","2","5","7","6","1") = "6"
    & skf21("7","1","7","2","5","7","7","1") = "6"
    & skf21("7","1","7","2","6","1","1","1") = "6"
    & skf21("7","1","7","2","6","1","2","1") = "6"
    & skf21("7","1","7","2","6","1","3","1") = "6"
    & skf21("7","1","7","2","6","1","4","1") = "6"
    & skf21("7","1","7","2","6","1","5","1") = "6"
    & skf21("7","1","7","2","6","1","6","1") = "6"
    & skf21("7","1","7","2","6","1","7","1") = "6"
    & skf21("7","1","7","2","6","2","1","1") = "6"
    & skf21("7","1","7","2","6","2","2","1") = "6"
    & skf21("7","1","7","2","6","2","3","1") = "6"
    & skf21("7","1","7","2","6","2","4","1") = "6"
    & skf21("7","1","7","2","6","2","5","1") = "6"
    & skf21("7","1","7","2","6","2","6","1") = "6"
    & skf21("7","1","7","2","6","2","7","1") = "6"
    & skf21("7","1","7","2","6","3","1","1") = "6"
    & skf21("7","1","7","2","6","3","2","1") = "6"
    & skf21("7","1","7","2","6","3","3","1") = "6"
    & skf21("7","1","7","2","6","3","4","1") = "6"
    & skf21("7","1","7","2","6","3","5","1") = "6"
    & skf21("7","1","7","2","6","3","6","1") = "6"
    & skf21("7","1","7","2","6","3","7","1") = "6"
    & skf21("7","1","7","2","6","4","1","1") = "6"
    & skf21("7","1","7","2","6","4","2","1") = "6"
    & skf21("7","1","7","2","6","4","3","1") = "6"
    & skf21("7","1","7","2","6","4","4","1") = "6"
    & skf21("7","1","7","2","6","4","5","1") = "6"
    & skf21("7","1","7","2","6","4","6","1") = "6"
    & skf21("7","1","7","2","6","4","7","1") = "6"
    & skf21("7","1","7","2","6","5","1","1") = "6"
    & skf21("7","1","7","2","6","5","2","1") = "6"
    & skf21("7","1","7","2","6","5","3","1") = "6"
    & skf21("7","1","7","2","6","5","4","1") = "6"
    & skf21("7","1","7","2","6","5","5","1") = "6"
    & skf21("7","1","7","2","6","5","6","1") = "6"
    & skf21("7","1","7","2","6","5","7","1") = "6"
    & skf21("7","1","7","2","6","6","1","1") = "6"
    & skf21("7","1","7","2","6","6","2","1") = "6"
    & skf21("7","1","7","2","6","6","3","1") = "6"
    & skf21("7","1","7","2","6","6","4","1") = "6"
    & skf21("7","1","7","2","6","6","5","1") = "6"
    & skf21("7","1","7","2","6","6","6","1") = "6"
    & skf21("7","1","7","2","6","6","7","1") = "6"
    & skf21("7","1","7","2","6","7","1","1") = "6"
    & skf21("7","1","7","2","6","7","2","1") = "6"
    & skf21("7","1","7","2","6","7","3","1") = "6"
    & skf21("7","1","7","2","6","7","4","1") = "6"
    & skf21("7","1","7","2","6","7","5","1") = "6"
    & skf21("7","1","7","2","6","7","6","1") = "6"
    & skf21("7","1","7","2","6","7","7","1") = "6"
    & skf21("7","1","7","2","7","1","1","1") = "6"
    & skf21("7","1","7","2","7","1","2","1") = "6"
    & skf21("7","1","7","2","7","1","3","1") = "6"
    & skf21("7","1","7","2","7","1","4","1") = "6"
    & skf21("7","1","7","2","7","1","5","1") = "6"
    & skf21("7","1","7","2","7","1","6","1") = "6"
    & skf21("7","1","7","2","7","1","7","1") = "6"
    & skf21("7","1","7","2","7","2","1","1") = "6"
    & skf21("7","1","7","2","7","2","2","1") = "6"
    & skf21("7","1","7","2","7","2","3","1") = "6"
    & skf21("7","1","7","2","7","2","4","1") = "6"
    & skf21("7","1","7","2","7","2","5","1") = "6"
    & skf21("7","1","7","2","7","2","6","1") = "6"
    & skf21("7","1","7","2","7","2","7","1") = "6"
    & skf21("7","1","7","2","7","3","1","1") = "6"
    & skf21("7","1","7","2","7","3","2","1") = "6"
    & skf21("7","1","7","2","7","3","3","1") = "6"
    & skf21("7","1","7","2","7","3","4","1") = "6"
    & skf21("7","1","7","2","7","3","5","1") = "6"
    & skf21("7","1","7","2","7","3","6","1") = "6"
    & skf21("7","1","7","2","7","3","7","1") = "6"
    & skf21("7","1","7","2","7","4","1","1") = "6"
    & skf21("7","1","7","2","7","4","2","1") = "6"
    & skf21("7","1","7","2","7","4","3","1") = "6"
    & skf21("7","1","7","2","7","4","4","1") = "6"
    & skf21("7","1","7","2","7","4","5","1") = "6"
    & skf21("7","1","7","2","7","4","6","1") = "6"
    & skf21("7","1","7","2","7","4","7","1") = "6"
    & skf21("7","1","7","2","7","5","1","1") = "6"
    & skf21("7","1","7","2","7","5","2","1") = "6"
    & skf21("7","1","7","2","7","5","3","1") = "6"
    & skf21("7","1","7","2","7","5","4","1") = "6"
    & skf21("7","1","7","2","7","5","5","1") = "6"
    & skf21("7","1","7","2","7","5","6","1") = "6"
    & skf21("7","1","7","2","7","5","7","1") = "6"
    & skf21("7","1","7","2","7","6","1","1") = "6"
    & skf21("7","1","7","2","7","6","2","1") = "6"
    & skf21("7","1","7","2","7","6","3","1") = "6"
    & skf21("7","1","7","2","7","6","4","1") = "6"
    & skf21("7","1","7","2","7","6","5","1") = "6"
    & skf21("7","1","7","2","7","6","6","1") = "6"
    & skf21("7","1","7","2","7","6","7","1") = "6"
    & skf21("7","1","7","2","7","7","1","1") = "6"
    & skf21("7","1","7","2","7","7","2","1") = "6"
    & skf21("7","1","7","2","7","7","3","1") = "6"
    & skf21("7","1","7","2","7","7","4","1") = "6"
    & skf21("7","1","7","2","7","7","5","1") = "6"
    & skf21("7","1","7","2","7","7","6","1") = "6"
    & skf21("7","1","7","2","7","7","7","1") = "6"
    & skf21("7","1","7","3","1","1","1","1") = "6"
    & skf21("7","1","7","3","1","1","2","1") = "6"
    & skf21("7","1","7","3","1","1","3","1") = "6"
    & skf21("7","1","7","3","1","1","4","1") = "6"
    & skf21("7","1","7","3","1","1","5","1") = "6"
    & skf21("7","1","7","3","1","1","6","1") = "6"
    & skf21("7","1","7","3","1","1","7","1") = "6"
    & skf21("7","1","7","3","1","2","1","1") = "6"
    & skf21("7","1","7","3","1","2","2","1") = "6"
    & skf21("7","1","7","3","1","2","3","1") = "6"
    & skf21("7","1","7","3","1","2","4","1") = "6"
    & skf21("7","1","7","3","1","2","5","1") = "6"
    & skf21("7","1","7","3","1","2","6","1") = "6"
    & skf21("7","1","7","3","1","2","7","1") = "6"
    & skf21("7","1","7","3","1","3","1","1") = "6"
    & skf21("7","1","7","3","1","3","2","1") = "6"
    & skf21("7","1","7","3","1","3","3","1") = "6"
    & skf21("7","1","7","3","1","3","4","1") = "6"
    & skf21("7","1","7","3","1","3","5","1") = "6"
    & skf21("7","1","7","3","1","3","6","1") = "6"
    & skf21("7","1","7","3","1","3","7","1") = "6"
    & skf21("7","1","7","3","1","4","1","1") = "6"
    & skf21("7","1","7","3","1","4","2","1") = "6"
    & skf21("7","1","7","3","1","4","3","1") = "6"
    & skf21("7","1","7","3","1","4","4","1") = "6"
    & skf21("7","1","7","3","1","4","5","1") = "6"
    & skf21("7","1","7","3","1","4","6","1") = "6"
    & skf21("7","1","7","3","1","4","7","1") = "6"
    & skf21("7","1","7","3","1","5","1","1") = "6"
    & skf21("7","1","7","3","1","5","2","1") = "6"
    & skf21("7","1","7","3","1","5","3","1") = "6"
    & skf21("7","1","7","3","1","5","4","1") = "6"
    & skf21("7","1","7","3","1","5","5","1") = "6"
    & skf21("7","1","7","3","1","5","6","1") = "6"
    & skf21("7","1","7","3","1","5","7","1") = "6"
    & skf21("7","1","7","3","1","6","1","1") = "6"
    & skf21("7","1","7","3","1","6","2","1") = "6"
    & skf21("7","1","7","3","1","6","3","1") = "6"
    & skf21("7","1","7","3","1","6","4","1") = "6"
    & skf21("7","1","7","3","1","6","5","1") = "6"
    & skf21("7","1","7","3","1","6","6","1") = "6"
    & skf21("7","1","7","3","1","6","7","1") = "6"
    & skf21("7","1","7","3","1","7","1","1") = "6"
    & skf21("7","1","7","3","1","7","2","1") = "6"
    & skf21("7","1","7","3","1","7","3","1") = "6"
    & skf21("7","1","7","3","1","7","4","1") = "6"
    & skf21("7","1","7","3","1","7","5","1") = "6"
    & skf21("7","1","7","3","1","7","6","1") = "6"
    & skf21("7","1","7","3","1","7","7","1") = "6"
    & skf21("7","1","7","3","2","1","1","1") = "6"
    & skf21("7","1","7","3","2","1","2","1") = "6"
    & skf21("7","1","7","3","2","1","3","1") = "6"
    & skf21("7","1","7","3","2","1","4","1") = "6"
    & skf21("7","1","7","3","2","1","5","1") = "6"
    & skf21("7","1","7","3","2","1","6","1") = "6"
    & skf21("7","1","7","3","2","1","7","1") = "6"
    & skf21("7","1","7","3","2","2","1","1") = "6"
    & skf21("7","1","7","3","2","2","2","1") = "6"
    & skf21("7","1","7","3","2","2","3","1") = "6"
    & skf21("7","1","7","3","2","2","4","1") = "6"
    & skf21("7","1","7","3","2","2","5","1") = "6"
    & skf21("7","1","7","3","2","2","6","1") = "6"
    & skf21("7","1","7","3","2","2","7","1") = "6"
    & skf21("7","1","7","3","2","3","1","1") = "6"
    & skf21("7","1","7","3","2","3","2","1") = "6"
    & skf21("7","1","7","3","2","3","3","1") = "6"
    & skf21("7","1","7","3","2","3","4","1") = "6"
    & skf21("7","1","7","3","2","3","5","1") = "6"
    & skf21("7","1","7","3","2","3","6","1") = "6"
    & skf21("7","1","7","3","2","3","7","1") = "6"
    & skf21("7","1","7","3","2","4","1","1") = "6"
    & skf21("7","1","7","3","2","4","2","1") = "6"
    & skf21("7","1","7","3","2","4","3","1") = "6"
    & skf21("7","1","7","3","2","4","4","1") = "6"
    & skf21("7","1","7","3","2","4","5","1") = "6"
    & skf21("7","1","7","3","2","4","6","1") = "6"
    & skf21("7","1","7","3","2","4","7","1") = "6"
    & skf21("7","1","7","3","2","5","1","1") = "6"
    & skf21("7","1","7","3","2","5","2","1") = "6"
    & skf21("7","1","7","3","2","5","3","1") = "6"
    & skf21("7","1","7","3","2","5","4","1") = "6"
    & skf21("7","1","7","3","2","5","5","1") = "6"
    & skf21("7","1","7","3","2","5","6","1") = "6"
    & skf21("7","1","7","3","2","5","7","1") = "6"
    & skf21("7","1","7","3","2","6","1","1") = "6"
    & skf21("7","1","7","3","2","6","2","1") = "6"
    & skf21("7","1","7","3","2","6","3","1") = "6"
    & skf21("7","1","7","3","2","6","4","1") = "6"
    & skf21("7","1","7","3","2","6","5","1") = "6"
    & skf21("7","1","7","3","2","6","6","1") = "6"
    & skf21("7","1","7","3","2","6","7","1") = "6"
    & skf21("7","1","7","3","2","7","1","1") = "6"
    & skf21("7","1","7","3","2","7","2","1") = "6"
    & skf21("7","1","7","3","2","7","3","1") = "6"
    & skf21("7","1","7","3","2","7","4","1") = "6"
    & skf21("7","1","7","3","2","7","5","1") = "6"
    & skf21("7","1","7","3","2","7","6","1") = "6"
    & skf21("7","1","7","3","2","7","7","1") = "6"
    & skf21("7","1","7","3","3","1","1","1") = "6"
    & skf21("7","1","7","3","3","1","2","1") = "6"
    & skf21("7","1","7","3","3","1","3","1") = "6"
    & skf21("7","1","7","3","3","1","4","1") = "6"
    & skf21("7","1","7","3","3","1","5","1") = "6"
    & skf21("7","1","7","3","3","1","6","1") = "6"
    & skf21("7","1","7","3","3","1","7","1") = "6"
    & skf21("7","1","7","3","3","2","1","1") = "6"
    & skf21("7","1","7","3","3","2","2","1") = "6"
    & skf21("7","1","7","3","3","2","3","1") = "6"
    & skf21("7","1","7","3","3","2","4","1") = "6"
    & skf21("7","1","7","3","3","2","5","1") = "6"
    & skf21("7","1","7","3","3","2","6","1") = "6"
    & skf21("7","1","7","3","3","2","7","1") = "6"
    & skf21("7","1","7","3","3","3","1","1") = "6"
    & skf21("7","1","7","3","3","3","2","1") = "6"
    & skf21("7","1","7","3","3","3","3","1") = "6"
    & skf21("7","1","7","3","3","3","4","1") = "6"
    & skf21("7","1","7","3","3","3","5","1") = "6"
    & skf21("7","1","7","3","3","3","6","1") = "6"
    & skf21("7","1","7","3","3","3","7","1") = "6"
    & skf21("7","1","7","3","3","4","1","1") = "6"
    & skf21("7","1","7","3","3","4","2","1") = "6"
    & skf21("7","1","7","3","3","4","3","1") = "6"
    & skf21("7","1","7","3","3","4","4","1") = "6"
    & skf21("7","1","7","3","3","4","5","1") = "6"
    & skf21("7","1","7","3","3","4","6","1") = "6"
    & skf21("7","1","7","3","3","4","7","1") = "6"
    & skf21("7","1","7","3","3","5","1","1") = "6"
    & skf21("7","1","7","3","3","5","2","1") = "6"
    & skf21("7","1","7","3","3","5","3","1") = "6"
    & skf21("7","1","7","3","3","5","4","1") = "6"
    & skf21("7","1","7","3","3","5","5","1") = "6"
    & skf21("7","1","7","3","3","5","6","1") = "6"
    & skf21("7","1","7","3","3","5","7","1") = "6"
    & skf21("7","1","7","3","3","6","1","1") = "6"
    & skf21("7","1","7","3","3","6","2","1") = "6"
    & skf21("7","1","7","3","3","6","3","1") = "6"
    & skf21("7","1","7","3","3","6","4","1") = "6"
    & skf21("7","1","7","3","3","6","5","1") = "6"
    & skf21("7","1","7","3","3","6","6","1") = "6"
    & skf21("7","1","7","3","3","6","7","1") = "6"
    & skf21("7","1","7","3","3","7","1","1") = "6"
    & skf21("7","1","7","3","3","7","2","1") = "6"
    & skf21("7","1","7","3","3","7","3","1") = "6"
    & skf21("7","1","7","3","3","7","4","1") = "6"
    & skf21("7","1","7","3","3","7","5","1") = "6"
    & skf21("7","1","7","3","3","7","6","1") = "6"
    & skf21("7","1","7","3","3","7","7","1") = "6"
    & skf21("7","1","7","3","4","1","1","1") = "6"
    & skf21("7","1","7","3","4","1","2","1") = "6"
    & skf21("7","1","7","3","4","1","3","1") = "6"
    & skf21("7","1","7","3","4","1","4","1") = "6"
    & skf21("7","1","7","3","4","1","5","1") = "6"
    & skf21("7","1","7","3","4","1","6","1") = "6"
    & skf21("7","1","7","3","4","1","7","1") = "6"
    & skf21("7","1","7","3","4","2","1","1") = "6"
    & skf21("7","1","7","3","4","2","2","1") = "6"
    & skf21("7","1","7","3","4","2","3","1") = "6"
    & skf21("7","1","7","3","4","2","4","1") = "6"
    & skf21("7","1","7","3","4","2","5","1") = "6"
    & skf21("7","1","7","3","4","2","6","1") = "6"
    & skf21("7","1","7","3","4","2","7","1") = "6"
    & skf21("7","1","7","3","4","3","1","1") = "6"
    & skf21("7","1","7","3","4","3","2","1") = "6"
    & skf21("7","1","7","3","4","3","3","1") = "6"
    & skf21("7","1","7","3","4","3","4","1") = "6"
    & skf21("7","1","7","3","4","3","5","1") = "6"
    & skf21("7","1","7","3","4","3","6","1") = "6"
    & skf21("7","1","7","3","4","3","7","1") = "6"
    & skf21("7","1","7","3","4","4","1","1") = "6"
    & skf21("7","1","7","3","4","4","2","1") = "6"
    & skf21("7","1","7","3","4","4","3","1") = "6"
    & skf21("7","1","7","3","4","4","4","1") = "6"
    & skf21("7","1","7","3","4","4","5","1") = "6"
    & skf21("7","1","7","3","4","4","6","1") = "6"
    & skf21("7","1","7","3","4","4","7","1") = "6"
    & skf21("7","1","7","3","4","5","1","1") = "6"
    & skf21("7","1","7","3","4","5","2","1") = "6"
    & skf21("7","1","7","3","4","5","3","1") = "6"
    & skf21("7","1","7","3","4","5","4","1") = "6"
    & skf21("7","1","7","3","4","5","5","1") = "6"
    & skf21("7","1","7","3","4","5","6","1") = "6"
    & skf21("7","1","7","3","4","5","7","1") = "6"
    & skf21("7","1","7","3","4","6","1","1") = "6"
    & skf21("7","1","7","3","4","6","2","1") = "6"
    & skf21("7","1","7","3","4","6","3","1") = "6"
    & skf21("7","1","7","3","4","6","4","1") = "6"
    & skf21("7","1","7","3","4","6","5","1") = "6"
    & skf21("7","1","7","3","4","6","6","1") = "6"
    & skf21("7","1","7","3","4","6","7","1") = "6"
    & skf21("7","1","7","3","4","7","1","1") = "6"
    & skf21("7","1","7","3","4","7","2","1") = "6"
    & skf21("7","1","7","3","4","7","3","1") = "6"
    & skf21("7","1","7","3","4","7","4","1") = "6"
    & skf21("7","1","7","3","4","7","5","1") = "6"
    & skf21("7","1","7","3","4","7","6","1") = "6"
    & skf21("7","1","7","3","4","7","7","1") = "6"
    & skf21("7","1","7","3","5","1","1","1") = "6"
    & skf21("7","1","7","3","5","1","2","1") = "6"
    & skf21("7","1","7","3","5","1","3","1") = "6"
    & skf21("7","1","7","3","5","1","4","1") = "6"
    & skf21("7","1","7","3","5","1","5","1") = "6"
    & skf21("7","1","7","3","5","1","6","1") = "6"
    & skf21("7","1","7","3","5","1","7","1") = "6"
    & skf21("7","1","7","3","5","2","1","1") = "6"
    & skf21("7","1","7","3","5","2","2","1") = "6"
    & skf21("7","1","7","3","5","2","3","1") = "6"
    & skf21("7","1","7","3","5","2","4","1") = "6"
    & skf21("7","1","7","3","5","2","5","1") = "6"
    & skf21("7","1","7","3","5","2","6","1") = "6"
    & skf21("7","1","7","3","5","2","7","1") = "6"
    & skf21("7","1","7","3","5","3","1","1") = "6"
    & skf21("7","1","7","3","5","3","2","1") = "6"
    & skf21("7","1","7","3","5","3","3","1") = "6"
    & skf21("7","1","7","3","5","3","4","1") = "6"
    & skf21("7","1","7","3","5","3","5","1") = "6"
    & skf21("7","1","7","3","5","3","6","1") = "6"
    & skf21("7","1","7","3","5","3","7","1") = "6"
    & skf21("7","1","7","3","5","4","1","1") = "6"
    & skf21("7","1","7","3","5","4","2","1") = "6"
    & skf21("7","1","7","3","5","4","3","1") = "6"
    & skf21("7","1","7","3","5","4","4","1") = "6"
    & skf21("7","1","7","3","5","4","5","1") = "6"
    & skf21("7","1","7","3","5","4","6","1") = "6"
    & skf21("7","1","7","3","5","4","7","1") = "6"
    & skf21("7","1","7","3","5","5","1","1") = "6"
    & skf21("7","1","7","3","5","5","2","1") = "6"
    & skf21("7","1","7","3","5","5","3","1") = "6"
    & skf21("7","1","7","3","5","5","4","1") = "6"
    & skf21("7","1","7","3","5","5","5","1") = "6"
    & skf21("7","1","7","3","5","5","6","1") = "6"
    & skf21("7","1","7","3","5","5","7","1") = "6"
    & skf21("7","1","7","3","5","6","1","1") = "6"
    & skf21("7","1","7","3","5","6","2","1") = "6"
    & skf21("7","1","7","3","5","6","3","1") = "6"
    & skf21("7","1","7","3","5","6","4","1") = "6"
    & skf21("7","1","7","3","5","6","5","1") = "6"
    & skf21("7","1","7","3","5","6","6","1") = "6"
    & skf21("7","1","7","3","5","6","7","1") = "6"
    & skf21("7","1","7","3","5","7","1","1") = "6"
    & skf21("7","1","7","3","5","7","2","1") = "6"
    & skf21("7","1","7","3","5","7","3","1") = "6"
    & skf21("7","1","7","3","5","7","4","1") = "6"
    & skf21("7","1","7","3","5","7","5","1") = "6"
    & skf21("7","1","7","3","5","7","6","1") = "6"
    & skf21("7","1","7","3","5","7","7","1") = "6"
    & skf21("7","1","7","3","6","1","1","1") = "6"
    & skf21("7","1","7","3","6","1","2","1") = "6"
    & skf21("7","1","7","3","6","1","3","1") = "6"
    & skf21("7","1","7","3","6","1","4","1") = "6"
    & skf21("7","1","7","3","6","1","5","1") = "6"
    & skf21("7","1","7","3","6","1","6","1") = "6"
    & skf21("7","1","7","3","6","1","7","1") = "6"
    & skf21("7","1","7","3","6","2","1","1") = "6"
    & skf21("7","1","7","3","6","2","2","1") = "6"
    & skf21("7","1","7","3","6","2","3","1") = "6"
    & skf21("7","1","7","3","6","2","4","1") = "6"
    & skf21("7","1","7","3","6","2","5","1") = "6"
    & skf21("7","1","7","3","6","2","6","1") = "6"
    & skf21("7","1","7","3","6","2","7","1") = "6"
    & skf21("7","1","7","3","6","3","1","1") = "6"
    & skf21("7","1","7","3","6","3","2","1") = "6"
    & skf21("7","1","7","3","6","3","3","1") = "6"
    & skf21("7","1","7","3","6","3","4","1") = "6"
    & skf21("7","1","7","3","6","3","5","1") = "6"
    & skf21("7","1","7","3","6","3","6","1") = "6"
    & skf21("7","1","7","3","6","3","7","1") = "6"
    & skf21("7","1","7","3","6","4","1","1") = "6"
    & skf21("7","1","7","3","6","4","2","1") = "6"
    & skf21("7","1","7","3","6","4","3","1") = "6"
    & skf21("7","1","7","3","6","4","4","1") = "6"
    & skf21("7","1","7","3","6","4","5","1") = "6"
    & skf21("7","1","7","3","6","4","6","1") = "6"
    & skf21("7","1","7","3","6","4","7","1") = "6"
    & skf21("7","1","7","3","6","5","1","1") = "6"
    & skf21("7","1","7","3","6","5","2","1") = "6"
    & skf21("7","1","7","3","6","5","3","1") = "6"
    & skf21("7","1","7","3","6","5","4","1") = "6"
    & skf21("7","1","7","3","6","5","5","1") = "6"
    & skf21("7","1","7","3","6","5","6","1") = "6"
    & skf21("7","1","7","3","6","5","7","1") = "6"
    & skf21("7","1","7","3","6","6","1","1") = "6"
    & skf21("7","1","7","3","6","6","2","1") = "6"
    & skf21("7","1","7","3","6","6","3","1") = "6"
    & skf21("7","1","7","3","6","6","4","1") = "6"
    & skf21("7","1","7","3","6","6","5","1") = "6"
    & skf21("7","1","7","3","6","6","6","1") = "6"
    & skf21("7","1","7","3","6","6","7","1") = "6"
    & skf21("7","1","7","3","6","7","1","1") = "6"
    & skf21("7","1","7","3","6","7","2","1") = "6"
    & skf21("7","1","7","3","6","7","3","1") = "6"
    & skf21("7","1","7","3","6","7","4","1") = "6"
    & skf21("7","1","7","3","6","7","5","1") = "6"
    & skf21("7","1","7","3","6","7","6","1") = "6"
    & skf21("7","1","7","3","6","7","7","1") = "6"
    & skf21("7","1","7","3","7","1","1","1") = "6"
    & skf21("7","1","7","3","7","1","2","1") = "6"
    & skf21("7","1","7","3","7","1","3","1") = "6"
    & skf21("7","1","7","3","7","1","4","1") = "6"
    & skf21("7","1","7","3","7","1","5","1") = "6"
    & skf21("7","1","7","3","7","1","6","1") = "6"
    & skf21("7","1","7","3","7","1","7","1") = "6"
    & skf21("7","1","7","3","7","2","1","1") = "6"
    & skf21("7","1","7","3","7","2","2","1") = "6"
    & skf21("7","1","7","3","7","2","3","1") = "6"
    & skf21("7","1","7","3","7","2","4","1") = "6"
    & skf21("7","1","7","3","7","2","5","1") = "6"
    & skf21("7","1","7","3","7","2","6","1") = "6"
    & skf21("7","1","7","3","7","2","7","1") = "6"
    & skf21("7","1","7","3","7","3","1","1") = "6"
    & skf21("7","1","7","3","7","3","2","1") = "6"
    & skf21("7","1","7","3","7","3","3","1") = "6"
    & skf21("7","1","7","3","7","3","4","1") = "6"
    & skf21("7","1","7","3","7","3","5","1") = "6"
    & skf21("7","1","7","3","7","3","6","1") = "6"
    & skf21("7","1","7","3","7","3","7","1") = "6"
    & skf21("7","1","7","3","7","4","1","1") = "6"
    & skf21("7","1","7","3","7","4","2","1") = "6"
    & skf21("7","1","7","3","7","4","3","1") = "6"
    & skf21("7","1","7","3","7","4","4","1") = "6"
    & skf21("7","1","7","3","7","4","5","1") = "6"
    & skf21("7","1","7","3","7","4","6","1") = "6"
    & skf21("7","1","7","3","7","4","7","1") = "6"
    & skf21("7","1","7","3","7","5","1","1") = "6"
    & skf21("7","1","7","3","7","5","2","1") = "6"
    & skf21("7","1","7","3","7","5","3","1") = "6"
    & skf21("7","1","7","3","7","5","4","1") = "6"
    & skf21("7","1","7","3","7","5","5","1") = "6"
    & skf21("7","1","7","3","7","5","6","1") = "6"
    & skf21("7","1","7","3","7","5","7","1") = "6"
    & skf21("7","1","7","3","7","6","1","1") = "6"
    & skf21("7","1","7","3","7","6","2","1") = "6"
    & skf21("7","1","7","3","7","6","3","1") = "6"
    & skf21("7","1","7","3","7","6","4","1") = "6"
    & skf21("7","1","7","3","7","6","5","1") = "6"
    & skf21("7","1","7","3","7","6","6","1") = "6"
    & skf21("7","1","7","3","7","6","7","1") = "6"
    & skf21("7","1","7","3","7","7","1","1") = "6"
    & skf21("7","1","7","3","7","7","2","1") = "6"
    & skf21("7","1","7","3","7","7","3","1") = "6"
    & skf21("7","1","7","3","7","7","4","1") = "6"
    & skf21("7","1","7","3","7","7","5","1") = "6"
    & skf21("7","1","7","3","7","7","6","1") = "6"
    & skf21("7","1","7","3","7","7","7","1") = "6"
    & skf21("7","1","7","4","1","1","1","1") = "6"
    & skf21("7","1","7","4","1","1","2","1") = "6"
    & skf21("7","1","7","4","1","1","3","1") = "6"
    & skf21("7","1","7","4","1","1","4","1") = "6"
    & skf21("7","1","7","4","1","1","5","1") = "6"
    & skf21("7","1","7","4","1","1","6","1") = "6"
    & skf21("7","1","7","4","1","1","7","1") = "6"
    & skf21("7","1","7","4","1","2","1","1") = "6"
    & skf21("7","1","7","4","1","2","2","1") = "6"
    & skf21("7","1","7","4","1","2","3","1") = "6"
    & skf21("7","1","7","4","1","2","4","1") = "6"
    & skf21("7","1","7","4","1","2","5","1") = "6"
    & skf21("7","1","7","4","1","2","6","1") = "6"
    & skf21("7","1","7","4","1","2","7","1") = "6"
    & skf21("7","1","7","4","1","3","1","1") = "6"
    & skf21("7","1","7","4","1","3","2","1") = "6"
    & skf21("7","1","7","4","1","3","3","1") = "6"
    & skf21("7","1","7","4","1","3","4","1") = "6"
    & skf21("7","1","7","4","1","3","5","1") = "6"
    & skf21("7","1","7","4","1","3","6","1") = "6"
    & skf21("7","1","7","4","1","3","7","1") = "6"
    & skf21("7","1","7","4","1","4","1","1") = "6"
    & skf21("7","1","7","4","1","4","2","1") = "6"
    & skf21("7","1","7","4","1","4","3","1") = "6"
    & skf21("7","1","7","4","1","4","4","1") = "6"
    & skf21("7","1","7","4","1","4","5","1") = "6"
    & skf21("7","1","7","4","1","4","6","1") = "6"
    & skf21("7","1","7","4","1","4","7","1") = "6"
    & skf21("7","1","7","4","1","5","1","1") = "6"
    & skf21("7","1","7","4","1","5","2","1") = "6"
    & skf21("7","1","7","4","1","5","3","1") = "6"
    & skf21("7","1","7","4","1","5","4","1") = "6"
    & skf21("7","1","7","4","1","5","5","1") = "6"
    & skf21("7","1","7","4","1","5","6","1") = "6"
    & skf21("7","1","7","4","1","5","7","1") = "6"
    & skf21("7","1","7","4","1","6","1","1") = "6"
    & skf21("7","1","7","4","1","6","2","1") = "6"
    & skf21("7","1","7","4","1","6","3","1") = "6"
    & skf21("7","1","7","4","1","6","4","1") = "6"
    & skf21("7","1","7","4","1","6","5","1") = "6"
    & skf21("7","1","7","4","1","6","6","1") = "6"
    & skf21("7","1","7","4","1","6","7","1") = "6"
    & skf21("7","1","7","4","1","7","1","1") = "6"
    & skf21("7","1","7","4","1","7","2","1") = "6"
    & skf21("7","1","7","4","1","7","3","1") = "6"
    & skf21("7","1","7","4","1","7","4","1") = "6"
    & skf21("7","1","7","4","1","7","5","1") = "6"
    & skf21("7","1","7","4","1","7","6","1") = "6"
    & skf21("7","1","7","4","1","7","7","1") = "6"
    & skf21("7","1","7","4","2","1","1","1") = "6"
    & skf21("7","1","7","4","2","1","2","1") = "6"
    & skf21("7","1","7","4","2","1","3","1") = "6"
    & skf21("7","1","7","4","2","1","4","1") = "6"
    & skf21("7","1","7","4","2","1","5","1") = "6"
    & skf21("7","1","7","4","2","1","6","1") = "6"
    & skf21("7","1","7","4","2","1","7","1") = "6"
    & skf21("7","1","7","4","2","2","1","1") = "6"
    & skf21("7","1","7","4","2","2","2","1") = "6"
    & skf21("7","1","7","4","2","2","3","1") = "6"
    & skf21("7","1","7","4","2","2","4","1") = "6"
    & skf21("7","1","7","4","2","2","5","1") = "6"
    & skf21("7","1","7","4","2","2","6","1") = "6"
    & skf21("7","1","7","4","2","2","7","1") = "6"
    & skf21("7","1","7","4","2","3","1","1") = "6"
    & skf21("7","1","7","4","2","3","2","1") = "6"
    & skf21("7","1","7","4","2","3","3","1") = "6"
    & skf21("7","1","7","4","2","3","4","1") = "6"
    & skf21("7","1","7","4","2","3","5","1") = "6"
    & skf21("7","1","7","4","2","3","6","1") = "6"
    & skf21("7","1","7","4","2","3","7","1") = "6"
    & skf21("7","1","7","4","2","4","1","1") = "6"
    & skf21("7","1","7","4","2","4","2","1") = "6"
    & skf21("7","1","7","4","2","4","3","1") = "6"
    & skf21("7","1","7","4","2","4","4","1") = "6"
    & skf21("7","1","7","4","2","4","5","1") = "6"
    & skf21("7","1","7","4","2","4","6","1") = "6"
    & skf21("7","1","7","4","2","4","7","1") = "6"
    & skf21("7","1","7","4","2","5","1","1") = "6"
    & skf21("7","1","7","4","2","5","2","1") = "6"
    & skf21("7","1","7","4","2","5","3","1") = "6"
    & skf21("7","1","7","4","2","5","4","1") = "6"
    & skf21("7","1","7","4","2","5","5","1") = "6"
    & skf21("7","1","7","4","2","5","6","1") = "6"
    & skf21("7","1","7","4","2","5","7","1") = "6"
    & skf21("7","1","7","4","2","6","1","1") = "6"
    & skf21("7","1","7","4","2","6","2","1") = "6"
    & skf21("7","1","7","4","2","6","3","1") = "6"
    & skf21("7","1","7","4","2","6","4","1") = "6"
    & skf21("7","1","7","4","2","6","5","1") = "6"
    & skf21("7","1","7","4","2","6","6","1") = "6"
    & skf21("7","1","7","4","2","6","7","1") = "6"
    & skf21("7","1","7","4","2","7","1","1") = "6"
    & skf21("7","1","7","4","2","7","2","1") = "6"
    & skf21("7","1","7","4","2","7","3","1") = "6"
    & skf21("7","1","7","4","2","7","4","1") = "6"
    & skf21("7","1","7","4","2","7","5","1") = "6"
    & skf21("7","1","7","4","2","7","6","1") = "6"
    & skf21("7","1","7","4","2","7","7","1") = "6"
    & skf21("7","1","7","4","3","1","1","1") = "6"
    & skf21("7","1","7","4","3","1","2","1") = "6"
    & skf21("7","1","7","4","3","1","3","1") = "6"
    & skf21("7","1","7","4","3","1","4","1") = "6"
    & skf21("7","1","7","4","3","1","5","1") = "6"
    & skf21("7","1","7","4","3","1","6","1") = "6"
    & skf21("7","1","7","4","3","1","7","1") = "6"
    & skf21("7","1","7","4","3","2","1","1") = "6"
    & skf21("7","1","7","4","3","2","2","1") = "6"
    & skf21("7","1","7","4","3","2","3","1") = "6"
    & skf21("7","1","7","4","3","2","4","1") = "6"
    & skf21("7","1","7","4","3","2","5","1") = "6"
    & skf21("7","1","7","4","3","2","6","1") = "6"
    & skf21("7","1","7","4","3","2","7","1") = "6"
    & skf21("7","1","7","4","3","3","1","1") = "6"
    & skf21("7","1","7","4","3","3","2","1") = "6"
    & skf21("7","1","7","4","3","3","3","1") = "6"
    & skf21("7","1","7","4","3","3","4","1") = "6"
    & skf21("7","1","7","4","3","3","5","1") = "6"
    & skf21("7","1","7","4","3","3","6","1") = "6"
    & skf21("7","1","7","4","3","3","7","1") = "6"
    & skf21("7","1","7","4","3","4","1","1") = "6"
    & skf21("7","1","7","4","3","4","2","1") = "6"
    & skf21("7","1","7","4","3","4","3","1") = "6"
    & skf21("7","1","7","4","3","4","4","1") = "6"
    & skf21("7","1","7","4","3","4","5","1") = "6"
    & skf21("7","1","7","4","3","4","6","1") = "6"
    & skf21("7","1","7","4","3","4","7","1") = "6"
    & skf21("7","1","7","4","3","5","1","1") = "6"
    & skf21("7","1","7","4","3","5","2","1") = "6"
    & skf21("7","1","7","4","3","5","3","1") = "6"
    & skf21("7","1","7","4","3","5","4","1") = "6"
    & skf21("7","1","7","4","3","5","5","1") = "6"
    & skf21("7","1","7","4","3","5","6","1") = "6"
    & skf21("7","1","7","4","3","5","7","1") = "6"
    & skf21("7","1","7","4","3","6","1","1") = "6"
    & skf21("7","1","7","4","3","6","2","1") = "6"
    & skf21("7","1","7","4","3","6","3","1") = "6"
    & skf21("7","1","7","4","3","6","4","1") = "6"
    & skf21("7","1","7","4","3","6","5","1") = "6"
    & skf21("7","1","7","4","3","6","6","1") = "6"
    & skf21("7","1","7","4","3","6","7","1") = "6"
    & skf21("7","1","7","4","3","7","1","1") = "6"
    & skf21("7","1","7","4","3","7","2","1") = "6"
    & skf21("7","1","7","4","3","7","3","1") = "6"
    & skf21("7","1","7","4","3","7","4","1") = "6"
    & skf21("7","1","7","4","3","7","5","1") = "6"
    & skf21("7","1","7","4","3","7","6","1") = "6"
    & skf21("7","1","7","4","3","7","7","1") = "6"
    & skf21("7","1","7","4","4","1","1","1") = "6"
    & skf21("7","1","7","4","4","1","2","1") = "6"
    & skf21("7","1","7","4","4","1","3","1") = "6"
    & skf21("7","1","7","4","4","1","4","1") = "6"
    & skf21("7","1","7","4","4","1","5","1") = "6"
    & skf21("7","1","7","4","4","1","6","1") = "6"
    & skf21("7","1","7","4","4","1","7","1") = "6"
    & skf21("7","1","7","4","4","2","1","1") = "6"
    & skf21("7","1","7","4","4","2","2","1") = "6"
    & skf21("7","1","7","4","4","2","3","1") = "6"
    & skf21("7","1","7","4","4","2","4","1") = "6"
    & skf21("7","1","7","4","4","2","5","1") = "6"
    & skf21("7","1","7","4","4","2","6","1") = "6"
    & skf21("7","1","7","4","4","2","7","1") = "6"
    & skf21("7","1","7","4","4","3","1","1") = "6"
    & skf21("7","1","7","4","4","3","2","1") = "6"
    & skf21("7","1","7","4","4","3","3","1") = "6"
    & skf21("7","1","7","4","4","3","4","1") = "6"
    & skf21("7","1","7","4","4","3","5","1") = "6"
    & skf21("7","1","7","4","4","3","6","1") = "6"
    & skf21("7","1","7","4","4","3","7","1") = "6"
    & skf21("7","1","7","4","4","4","1","1") = "6"
    & skf21("7","1","7","4","4","4","2","1") = "6"
    & skf21("7","1","7","4","4","4","3","1") = "6"
    & skf21("7","1","7","4","4","4","4","1") = "6"
    & skf21("7","1","7","4","4","4","5","1") = "6"
    & skf21("7","1","7","4","4","4","6","1") = "6"
    & skf21("7","1","7","4","4","4","7","1") = "6"
    & skf21("7","1","7","4","4","5","1","1") = "6"
    & skf21("7","1","7","4","4","5","2","1") = "6"
    & skf21("7","1","7","4","4","5","3","1") = "6"
    & skf21("7","1","7","4","4","5","4","1") = "6"
    & skf21("7","1","7","4","4","5","5","1") = "6"
    & skf21("7","1","7","4","4","5","6","1") = "6"
    & skf21("7","1","7","4","4","5","7","1") = "6"
    & skf21("7","1","7","4","4","6","1","1") = "6"
    & skf21("7","1","7","4","4","6","2","1") = "6"
    & skf21("7","1","7","4","4","6","3","1") = "6"
    & skf21("7","1","7","4","4","6","4","1") = "6"
    & skf21("7","1","7","4","4","6","5","1") = "6"
    & skf21("7","1","7","4","4","6","6","1") = "6"
    & skf21("7","1","7","4","4","6","7","1") = "6"
    & skf21("7","1","7","4","4","7","1","1") = "6"
    & skf21("7","1","7","4","4","7","2","1") = "6"
    & skf21("7","1","7","4","4","7","3","1") = "6"
    & skf21("7","1","7","4","4","7","4","1") = "6"
    & skf21("7","1","7","4","4","7","5","1") = "6"
    & skf21("7","1","7","4","4","7","6","1") = "6"
    & skf21("7","1","7","4","4","7","7","1") = "6"
    & skf21("7","1","7","4","5","1","1","1") = "6"
    & skf21("7","1","7","4","5","1","2","1") = "6"
    & skf21("7","1","7","4","5","1","3","1") = "6"
    & skf21("7","1","7","4","5","1","4","1") = "6"
    & skf21("7","1","7","4","5","1","5","1") = "6"
    & skf21("7","1","7","4","5","1","6","1") = "6"
    & skf21("7","1","7","4","5","1","7","1") = "6"
    & skf21("7","1","7","4","5","2","1","1") = "6"
    & skf21("7","1","7","4","5","2","2","1") = "6"
    & skf21("7","1","7","4","5","2","3","1") = "6"
    & skf21("7","1","7","4","5","2","4","1") = "6"
    & skf21("7","1","7","4","5","2","5","1") = "6"
    & skf21("7","1","7","4","5","2","6","1") = "6"
    & skf21("7","1","7","4","5","2","7","1") = "6"
    & skf21("7","1","7","4","5","3","1","1") = "6"
    & skf21("7","1","7","4","5","3","2","1") = "6"
    & skf21("7","1","7","4","5","3","3","1") = "6"
    & skf21("7","1","7","4","5","3","4","1") = "6"
    & skf21("7","1","7","4","5","3","5","1") = "6"
    & skf21("7","1","7","4","5","3","6","1") = "6"
    & skf21("7","1","7","4","5","3","7","1") = "6"
    & skf21("7","1","7","4","5","4","1","1") = "6"
    & skf21("7","1","7","4","5","4","2","1") = "6"
    & skf21("7","1","7","4","5","4","3","1") = "6"
    & skf21("7","1","7","4","5","4","4","1") = "6"
    & skf21("7","1","7","4","5","4","5","1") = "6"
    & skf21("7","1","7","4","5","4","6","1") = "6"
    & skf21("7","1","7","4","5","4","7","1") = "6"
    & skf21("7","1","7","4","5","5","1","1") = "6"
    & skf21("7","1","7","4","5","5","2","1") = "6"
    & skf21("7","1","7","4","5","5","3","1") = "6"
    & skf21("7","1","7","4","5","5","4","1") = "6"
    & skf21("7","1","7","4","5","5","5","1") = "6"
    & skf21("7","1","7","4","5","5","6","1") = "6"
    & skf21("7","1","7","4","5","5","7","1") = "6"
    & skf21("7","1","7","4","5","6","1","1") = "6"
    & skf21("7","1","7","4","5","6","2","1") = "6"
    & skf21("7","1","7","4","5","6","3","1") = "6"
    & skf21("7","1","7","4","5","6","4","1") = "6"
    & skf21("7","1","7","4","5","6","5","1") = "6"
    & skf21("7","1","7","4","5","6","6","1") = "6"
    & skf21("7","1","7","4","5","6","7","1") = "6"
    & skf21("7","1","7","4","5","7","1","1") = "6"
    & skf21("7","1","7","4","5","7","2","1") = "6"
    & skf21("7","1","7","4","5","7","3","1") = "6"
    & skf21("7","1","7","4","5","7","4","1") = "6"
    & skf21("7","1","7","4","5","7","5","1") = "6"
    & skf21("7","1","7","4","5","7","6","1") = "6"
    & skf21("7","1","7","4","5","7","7","1") = "6"
    & skf21("7","1","7","4","6","1","1","1") = "6"
    & skf21("7","1","7","4","6","1","2","1") = "6"
    & skf21("7","1","7","4","6","1","3","1") = "6"
    & skf21("7","1","7","4","6","1","4","1") = "6"
    & skf21("7","1","7","4","6","1","5","1") = "6"
    & skf21("7","1","7","4","6","1","6","1") = "6"
    & skf21("7","1","7","4","6","1","7","1") = "6"
    & skf21("7","1","7","4","6","2","1","1") = "6"
    & skf21("7","1","7","4","6","2","2","1") = "6"
    & skf21("7","1","7","4","6","2","3","1") = "6"
    & skf21("7","1","7","4","6","2","4","1") = "6"
    & skf21("7","1","7","4","6","2","5","1") = "6"
    & skf21("7","1","7","4","6","2","6","1") = "6"
    & skf21("7","1","7","4","6","2","7","1") = "6"
    & skf21("7","1","7","4","6","3","1","1") = "6"
    & skf21("7","1","7","4","6","3","2","1") = "6"
    & skf21("7","1","7","4","6","3","3","1") = "6"
    & skf21("7","1","7","4","6","3","4","1") = "6"
    & skf21("7","1","7","4","6","3","5","1") = "6"
    & skf21("7","1","7","4","6","3","6","1") = "6"
    & skf21("7","1","7","4","6","3","7","1") = "6"
    & skf21("7","1","7","4","6","4","1","1") = "6"
    & skf21("7","1","7","4","6","4","2","1") = "6"
    & skf21("7","1","7","4","6","4","3","1") = "6"
    & skf21("7","1","7","4","6","4","4","1") = "6"
    & skf21("7","1","7","4","6","4","5","1") = "6"
    & skf21("7","1","7","4","6","4","6","1") = "6"
    & skf21("7","1","7","4","6","4","7","1") = "6"
    & skf21("7","1","7","4","6","5","1","1") = "6"
    & skf21("7","1","7","4","6","5","2","1") = "6"
    & skf21("7","1","7","4","6","5","3","1") = "6"
    & skf21("7","1","7","4","6","5","4","1") = "6"
    & skf21("7","1","7","4","6","5","5","1") = "6"
    & skf21("7","1","7","4","6","5","6","1") = "6"
    & skf21("7","1","7","4","6","5","7","1") = "6"
    & skf21("7","1","7","4","6","6","1","1") = "6"
    & skf21("7","1","7","4","6","6","2","1") = "6"
    & skf21("7","1","7","4","6","6","3","1") = "6"
    & skf21("7","1","7","4","6","6","4","1") = "6"
    & skf21("7","1","7","4","6","6","5","1") = "6"
    & skf21("7","1","7","4","6","6","6","1") = "6"
    & skf21("7","1","7","4","6","6","7","1") = "6"
    & skf21("7","1","7","4","6","7","1","1") = "6"
    & skf21("7","1","7","4","6","7","2","1") = "6"
    & skf21("7","1","7","4","6","7","3","1") = "6"
    & skf21("7","1","7","4","6","7","4","1") = "6"
    & skf21("7","1","7","4","6","7","5","1") = "6"
    & skf21("7","1","7","4","6","7","6","1") = "6"
    & skf21("7","1","7","4","6","7","7","1") = "6"
    & skf21("7","1","7","4","7","1","1","1") = "6"
    & skf21("7","1","7","4","7","1","2","1") = "6"
    & skf21("7","1","7","4","7","1","3","1") = "6"
    & skf21("7","1","7","4","7","1","4","1") = "6"
    & skf21("7","1","7","4","7","1","5","1") = "6"
    & skf21("7","1","7","4","7","1","6","1") = "6"
    & skf21("7","1","7","4","7","1","7","1") = "6"
    & skf21("7","1","7","4","7","2","1","1") = "6"
    & skf21("7","1","7","4","7","2","2","1") = "6"
    & skf21("7","1","7","4","7","2","3","1") = "6"
    & skf21("7","1","7","4","7","2","4","1") = "6"
    & skf21("7","1","7","4","7","2","5","1") = "6"
    & skf21("7","1","7","4","7","2","6","1") = "6"
    & skf21("7","1","7","4","7","2","7","1") = "6"
    & skf21("7","1","7","4","7","3","1","1") = "6"
    & skf21("7","1","7","4","7","3","2","1") = "6"
    & skf21("7","1","7","4","7","3","3","1") = "6"
    & skf21("7","1","7","4","7","3","4","1") = "6"
    & skf21("7","1","7","4","7","3","5","1") = "6"
    & skf21("7","1","7","4","7","3","6","1") = "6"
    & skf21("7","1","7","4","7","3","7","1") = "6"
    & skf21("7","1","7","4","7","4","1","1") = "6"
    & skf21("7","1","7","4","7","4","2","1") = "6"
    & skf21("7","1","7","4","7","4","3","1") = "6"
    & skf21("7","1","7","4","7","4","4","1") = "6"
    & skf21("7","1","7","4","7","4","5","1") = "6"
    & skf21("7","1","7","4","7","4","6","1") = "6"
    & skf21("7","1","7","4","7","4","7","1") = "6"
    & skf21("7","1","7","4","7","5","1","1") = "6"
    & skf21("7","1","7","4","7","5","2","1") = "6"
    & skf21("7","1","7","4","7","5","3","1") = "6"
    & skf21("7","1","7","4","7","5","4","1") = "6"
    & skf21("7","1","7","4","7","5","5","1") = "6"
    & skf21("7","1","7","4","7","5","6","1") = "6"
    & skf21("7","1","7","4","7","5","7","1") = "6"
    & skf21("7","1","7","4","7","6","1","1") = "6"
    & skf21("7","1","7","4","7","6","2","1") = "6"
    & skf21("7","1","7","4","7","6","3","1") = "6"
    & skf21("7","1","7","4","7","6","4","1") = "6"
    & skf21("7","1","7","4","7","6","5","1") = "6"
    & skf21("7","1","7","4","7","6","6","1") = "6"
    & skf21("7","1","7","4","7","6","7","1") = "6"
    & skf21("7","1","7","4","7","7","1","1") = "6"
    & skf21("7","1","7","4","7","7","2","1") = "6"
    & skf21("7","1","7","4","7","7","3","1") = "6"
    & skf21("7","1","7","4","7","7","4","1") = "6"
    & skf21("7","1","7","4","7","7","5","1") = "6"
    & skf21("7","1","7","4","7","7","6","1") = "6"
    & skf21("7","1","7","4","7","7","7","1") = "6"
    & skf21("7","1","7","5","1","1","1","1") = "6"
    & skf21("7","1","7","5","1","1","2","1") = "6"
    & skf21("7","1","7","5","1","1","3","1") = "6"
    & skf21("7","1","7","5","1","1","4","1") = "6"
    & skf21("7","1","7","5","1","1","5","1") = "6"
    & skf21("7","1","7","5","1","1","6","1") = "6"
    & skf21("7","1","7","5","1","1","7","1") = "6"
    & skf21("7","1","7","5","1","2","1","1") = "6"
    & skf21("7","1","7","5","1","2","2","1") = "6"
    & skf21("7","1","7","5","1","2","3","1") = "6"
    & skf21("7","1","7","5","1","2","4","1") = "6"
    & skf21("7","1","7","5","1","2","5","1") = "6"
    & skf21("7","1","7","5","1","2","6","1") = "6"
    & skf21("7","1","7","5","1","2","7","1") = "6"
    & skf21("7","1","7","5","1","3","1","1") = "6"
    & skf21("7","1","7","5","1","3","2","1") = "6"
    & skf21("7","1","7","5","1","3","3","1") = "6"
    & skf21("7","1","7","5","1","3","4","1") = "6"
    & skf21("7","1","7","5","1","3","5","1") = "6"
    & skf21("7","1","7","5","1","3","6","1") = "6"
    & skf21("7","1","7","5","1","3","7","1") = "6"
    & skf21("7","1","7","5","1","4","1","1") = "6"
    & skf21("7","1","7","5","1","4","2","1") = "6"
    & skf21("7","1","7","5","1","4","3","1") = "6"
    & skf21("7","1","7","5","1","4","4","1") = "6"
    & skf21("7","1","7","5","1","4","5","1") = "6"
    & skf21("7","1","7","5","1","4","6","1") = "6"
    & skf21("7","1","7","5","1","4","7","1") = "6"
    & skf21("7","1","7","5","1","5","1","1") = "6"
    & skf21("7","1","7","5","1","5","2","1") = "6"
    & skf21("7","1","7","5","1","5","3","1") = "6"
    & skf21("7","1","7","5","1","5","4","1") = "6"
    & skf21("7","1","7","5","1","5","5","1") = "6"
    & skf21("7","1","7","5","1","5","6","1") = "6"
    & skf21("7","1","7","5","1","5","7","1") = "6"
    & skf21("7","1","7","5","1","6","1","1") = "6"
    & skf21("7","1","7","5","1","6","2","1") = "6"
    & skf21("7","1","7","5","1","6","3","1") = "6"
    & skf21("7","1","7","5","1","6","4","1") = "6"
    & skf21("7","1","7","5","1","6","5","1") = "6"
    & skf21("7","1","7","5","1","6","6","1") = "6"
    & skf21("7","1","7","5","1","6","7","1") = "6"
    & skf21("7","1","7","5","1","7","1","1") = "6"
    & skf21("7","1","7","5","1","7","2","1") = "6"
    & skf21("7","1","7","5","1","7","3","1") = "6"
    & skf21("7","1","7","5","1","7","4","1") = "6"
    & skf21("7","1","7","5","1","7","5","1") = "6"
    & skf21("7","1","7","5","1","7","6","1") = "6"
    & skf21("7","1","7","5","1","7","7","1") = "6"
    & skf21("7","1","7","5","2","1","1","1") = "6"
    & skf21("7","1","7","5","2","1","2","1") = "6"
    & skf21("7","1","7","5","2","1","3","1") = "6"
    & skf21("7","1","7","5","2","1","4","1") = "6"
    & skf21("7","1","7","5","2","1","5","1") = "6"
    & skf21("7","1","7","5","2","1","6","1") = "6"
    & skf21("7","1","7","5","2","1","7","1") = "6"
    & skf21("7","1","7","5","2","2","1","1") = "6"
    & skf21("7","1","7","5","2","2","2","1") = "6"
    & skf21("7","1","7","5","2","2","3","1") = "6"
    & skf21("7","1","7","5","2","2","4","1") = "6"
    & skf21("7","1","7","5","2","2","5","1") = "6"
    & skf21("7","1","7","5","2","2","6","1") = "6"
    & skf21("7","1","7","5","2","2","7","1") = "6"
    & skf21("7","1","7","5","2","3","1","1") = "6"
    & skf21("7","1","7","5","2","3","2","1") = "6"
    & skf21("7","1","7","5","2","3","3","1") = "6"
    & skf21("7","1","7","5","2","3","4","1") = "6"
    & skf21("7","1","7","5","2","3","5","1") = "6"
    & skf21("7","1","7","5","2","3","6","1") = "6"
    & skf21("7","1","7","5","2","3","7","1") = "6"
    & skf21("7","1","7","5","2","4","1","1") = "6"
    & skf21("7","1","7","5","2","4","2","1") = "6"
    & skf21("7","1","7","5","2","4","3","1") = "6"
    & skf21("7","1","7","5","2","4","4","1") = "6"
    & skf21("7","1","7","5","2","4","5","1") = "6"
    & skf21("7","1","7","5","2","4","6","1") = "6"
    & skf21("7","1","7","5","2","4","7","1") = "6"
    & skf21("7","1","7","5","2","5","1","1") = "6"
    & skf21("7","1","7","5","2","5","2","1") = "6"
    & skf21("7","1","7","5","2","5","3","1") = "6"
    & skf21("7","1","7","5","2","5","4","1") = "6"
    & skf21("7","1","7","5","2","5","5","1") = "6"
    & skf21("7","1","7","5","2","5","6","1") = "6"
    & skf21("7","1","7","5","2","5","7","1") = "6"
    & skf21("7","1","7","5","2","6","1","1") = "6"
    & skf21("7","1","7","5","2","6","2","1") = "6"
    & skf21("7","1","7","5","2","6","3","1") = "6"
    & skf21("7","1","7","5","2","6","4","1") = "6"
    & skf21("7","1","7","5","2","6","5","1") = "6"
    & skf21("7","1","7","5","2","6","6","1") = "6"
    & skf21("7","1","7","5","2","6","7","1") = "6"
    & skf21("7","1","7","5","2","7","1","1") = "6"
    & skf21("7","1","7","5","2","7","2","1") = "6"
    & skf21("7","1","7","5","2","7","3","1") = "6"
    & skf21("7","1","7","5","2","7","4","1") = "6"
    & skf21("7","1","7","5","2","7","5","1") = "6"
    & skf21("7","1","7","5","2","7","6","1") = "6"
    & skf21("7","1","7","5","2","7","7","1") = "6"
    & skf21("7","1","7","5","3","1","1","1") = "6"
    & skf21("7","1","7","5","3","1","2","1") = "6"
    & skf21("7","1","7","5","3","1","3","1") = "6"
    & skf21("7","1","7","5","3","1","4","1") = "6"
    & skf21("7","1","7","5","3","1","5","1") = "6"
    & skf21("7","1","7","5","3","1","6","1") = "6"
    & skf21("7","1","7","5","3","1","7","1") = "6"
    & skf21("7","1","7","5","3","2","1","1") = "6"
    & skf21("7","1","7","5","3","2","2","1") = "6"
    & skf21("7","1","7","5","3","2","3","1") = "6"
    & skf21("7","1","7","5","3","2","4","1") = "6"
    & skf21("7","1","7","5","3","2","5","1") = "6"
    & skf21("7","1","7","5","3","2","6","1") = "6"
    & skf21("7","1","7","5","3","2","7","1") = "6"
    & skf21("7","1","7","5","3","3","1","1") = "6"
    & skf21("7","1","7","5","3","3","2","1") = "6"
    & skf21("7","1","7","5","3","3","3","1") = "6"
    & skf21("7","1","7","5","3","3","4","1") = "6"
    & skf21("7","1","7","5","3","3","5","1") = "6"
    & skf21("7","1","7","5","3","3","6","1") = "6"
    & skf21("7","1","7","5","3","3","7","1") = "6"
    & skf21("7","1","7","5","3","4","1","1") = "6"
    & skf21("7","1","7","5","3","4","2","1") = "6"
    & skf21("7","1","7","5","3","4","3","1") = "6"
    & skf21("7","1","7","5","3","4","4","1") = "6"
    & skf21("7","1","7","5","3","4","5","1") = "6"
    & skf21("7","1","7","5","3","4","6","1") = "6"
    & skf21("7","1","7","5","3","4","7","1") = "6"
    & skf21("7","1","7","5","3","5","1","1") = "6"
    & skf21("7","1","7","5","3","5","2","1") = "6"
    & skf21("7","1","7","5","3","5","3","1") = "6"
    & skf21("7","1","7","5","3","5","4","1") = "6"
    & skf21("7","1","7","5","3","5","5","1") = "6"
    & skf21("7","1","7","5","3","5","6","1") = "6"
    & skf21("7","1","7","5","3","5","7","1") = "6"
    & skf21("7","1","7","5","3","6","1","1") = "6"
    & skf21("7","1","7","5","3","6","2","1") = "6"
    & skf21("7","1","7","5","3","6","3","1") = "6"
    & skf21("7","1","7","5","3","6","4","1") = "6"
    & skf21("7","1","7","5","3","6","5","1") = "6"
    & skf21("7","1","7","5","3","6","6","1") = "6"
    & skf21("7","1","7","5","3","6","7","1") = "6"
    & skf21("7","1","7","5","3","7","1","1") = "6"
    & skf21("7","1","7","5","3","7","2","1") = "6"
    & skf21("7","1","7","5","3","7","3","1") = "6"
    & skf21("7","1","7","5","3","7","4","1") = "6"
    & skf21("7","1","7","5","3","7","5","1") = "6"
    & skf21("7","1","7","5","3","7","6","1") = "6"
    & skf21("7","1","7","5","3","7","7","1") = "6"
    & skf21("7","1","7","5","4","1","1","1") = "6"
    & skf21("7","1","7","5","4","1","2","1") = "6"
    & skf21("7","1","7","5","4","1","3","1") = "6"
    & skf21("7","1","7","5","4","1","4","1") = "6"
    & skf21("7","1","7","5","4","1","5","1") = "6"
    & skf21("7","1","7","5","4","1","6","1") = "6"
    & skf21("7","1","7","5","4","1","7","1") = "6"
    & skf21("7","1","7","5","4","2","1","1") = "6"
    & skf21("7","1","7","5","4","2","2","1") = "6"
    & skf21("7","1","7","5","4","2","3","1") = "6"
    & skf21("7","1","7","5","4","2","4","1") = "6"
    & skf21("7","1","7","5","4","2","5","1") = "6"
    & skf21("7","1","7","5","4","2","6","1") = "6"
    & skf21("7","1","7","5","4","2","7","1") = "6"
    & skf21("7","1","7","5","4","3","1","1") = "6"
    & skf21("7","1","7","5","4","3","2","1") = "6"
    & skf21("7","1","7","5","4","3","3","1") = "6"
    & skf21("7","1","7","5","4","3","4","1") = "6"
    & skf21("7","1","7","5","4","3","5","1") = "6"
    & skf21("7","1","7","5","4","3","6","1") = "6"
    & skf21("7","1","7","5","4","3","7","1") = "6"
    & skf21("7","1","7","5","4","4","1","1") = "6"
    & skf21("7","1","7","5","4","4","2","1") = "6"
    & skf21("7","1","7","5","4","4","3","1") = "6"
    & skf21("7","1","7","5","4","4","4","1") = "6"
    & skf21("7","1","7","5","4","4","5","1") = "6"
    & skf21("7","1","7","5","4","4","6","1") = "6"
    & skf21("7","1","7","5","4","4","7","1") = "6"
    & skf21("7","1","7","5","4","5","1","1") = "6"
    & skf21("7","1","7","5","4","5","2","1") = "6"
    & skf21("7","1","7","5","4","5","3","1") = "6"
    & skf21("7","1","7","5","4","5","4","1") = "6"
    & skf21("7","1","7","5","4","5","5","1") = "6"
    & skf21("7","1","7","5","4","5","6","1") = "6"
    & skf21("7","1","7","5","4","5","7","1") = "6"
    & skf21("7","1","7","5","4","6","1","1") = "6"
    & skf21("7","1","7","5","4","6","2","1") = "6"
    & skf21("7","1","7","5","4","6","3","1") = "6"
    & skf21("7","1","7","5","4","6","4","1") = "6"
    & skf21("7","1","7","5","4","6","5","1") = "6"
    & skf21("7","1","7","5","4","6","6","1") = "6"
    & skf21("7","1","7","5","4","6","7","1") = "6"
    & skf21("7","1","7","5","4","7","1","1") = "6"
    & skf21("7","1","7","5","4","7","2","1") = "6"
    & skf21("7","1","7","5","4","7","3","1") = "6"
    & skf21("7","1","7","5","4","7","4","1") = "6"
    & skf21("7","1","7","5","4","7","5","1") = "6"
    & skf21("7","1","7","5","4","7","6","1") = "6"
    & skf21("7","1","7","5","4","7","7","1") = "6"
    & skf21("7","1","7","5","5","1","1","1") = "6"
    & skf21("7","1","7","5","5","1","2","1") = "6"
    & skf21("7","1","7","5","5","1","3","1") = "6"
    & skf21("7","1","7","5","5","1","4","1") = "6"
    & skf21("7","1","7","5","5","1","5","1") = "6"
    & skf21("7","1","7","5","5","1","6","1") = "6"
    & skf21("7","1","7","5","5","1","7","1") = "6"
    & skf21("7","1","7","5","5","2","1","1") = "6"
    & skf21("7","1","7","5","5","2","2","1") = "6"
    & skf21("7","1","7","5","5","2","3","1") = "6"
    & skf21("7","1","7","5","5","2","4","1") = "6"
    & skf21("7","1","7","5","5","2","5","1") = "6"
    & skf21("7","1","7","5","5","2","6","1") = "6"
    & skf21("7","1","7","5","5","2","7","1") = "6"
    & skf21("7","1","7","5","5","3","1","1") = "6"
    & skf21("7","1","7","5","5","3","2","1") = "6"
    & skf21("7","1","7","5","5","3","3","1") = "6"
    & skf21("7","1","7","5","5","3","4","1") = "6"
    & skf21("7","1","7","5","5","3","5","1") = "6"
    & skf21("7","1","7","5","5","3","6","1") = "6"
    & skf21("7","1","7","5","5","3","7","1") = "6"
    & skf21("7","1","7","5","5","4","1","1") = "6"
    & skf21("7","1","7","5","5","4","2","1") = "6"
    & skf21("7","1","7","5","5","4","3","1") = "6"
    & skf21("7","1","7","5","5","4","4","1") = "6"
    & skf21("7","1","7","5","5","4","5","1") = "6"
    & skf21("7","1","7","5","5","4","6","1") = "6"
    & skf21("7","1","7","5","5","4","7","1") = "6"
    & skf21("7","1","7","5","5","5","1","1") = "6"
    & skf21("7","1","7","5","5","5","2","1") = "6"
    & skf21("7","1","7","5","5","5","3","1") = "6"
    & skf21("7","1","7","5","5","5","4","1") = "6"
    & skf21("7","1","7","5","5","5","5","1") = "6"
    & skf21("7","1","7","5","5","5","6","1") = "6"
    & skf21("7","1","7","5","5","5","7","1") = "6"
    & skf21("7","1","7","5","5","6","1","1") = "6"
    & skf21("7","1","7","5","5","6","2","1") = "6"
    & skf21("7","1","7","5","5","6","3","1") = "6"
    & skf21("7","1","7","5","5","6","4","1") = "6"
    & skf21("7","1","7","5","5","6","5","1") = "6"
    & skf21("7","1","7","5","5","6","6","1") = "6"
    & skf21("7","1","7","5","5","6","7","1") = "6"
    & skf21("7","1","7","5","5","7","1","1") = "6"
    & skf21("7","1","7","5","5","7","2","1") = "6"
    & skf21("7","1","7","5","5","7","3","1") = "6"
    & skf21("7","1","7","5","5","7","4","1") = "6"
    & skf21("7","1","7","5","5","7","5","1") = "6"
    & skf21("7","1","7","5","5","7","6","1") = "6"
    & skf21("7","1","7","5","5","7","7","1") = "6"
    & skf21("7","1","7","5","6","1","1","1") = "6"
    & skf21("7","1","7","5","6","1","2","1") = "6"
    & skf21("7","1","7","5","6","1","3","1") = "6"
    & skf21("7","1","7","5","6","1","4","1") = "6"
    & skf21("7","1","7","5","6","1","5","1") = "6"
    & skf21("7","1","7","5","6","1","6","1") = "6"
    & skf21("7","1","7","5","6","1","7","1") = "6"
    & skf21("7","1","7","5","6","2","1","1") = "6"
    & skf21("7","1","7","5","6","2","2","1") = "6"
    & skf21("7","1","7","5","6","2","3","1") = "6"
    & skf21("7","1","7","5","6","2","4","1") = "6"
    & skf21("7","1","7","5","6","2","5","1") = "6"
    & skf21("7","1","7","5","6","2","6","1") = "6"
    & skf21("7","1","7","5","6","2","7","1") = "6"
    & skf21("7","1","7","5","6","3","1","1") = "6"
    & skf21("7","1","7","5","6","3","2","1") = "6"
    & skf21("7","1","7","5","6","3","3","1") = "6"
    & skf21("7","1","7","5","6","3","4","1") = "6"
    & skf21("7","1","7","5","6","3","5","1") = "6"
    & skf21("7","1","7","5","6","3","6","1") = "6"
    & skf21("7","1","7","5","6","3","7","1") = "6"
    & skf21("7","1","7","5","6","4","1","1") = "6"
    & skf21("7","1","7","5","6","4","2","1") = "6"
    & skf21("7","1","7","5","6","4","3","1") = "6"
    & skf21("7","1","7","5","6","4","4","1") = "6"
    & skf21("7","1","7","5","6","4","5","1") = "6"
    & skf21("7","1","7","5","6","4","6","1") = "6"
    & skf21("7","1","7","5","6","4","7","1") = "6"
    & skf21("7","1","7","5","6","5","1","1") = "6"
    & skf21("7","1","7","5","6","5","2","1") = "6"
    & skf21("7","1","7","5","6","5","3","1") = "6"
    & skf21("7","1","7","5","6","5","4","1") = "6"
    & skf21("7","1","7","5","6","5","5","1") = "6"
    & skf21("7","1","7","5","6","5","6","1") = "6"
    & skf21("7","1","7","5","6","5","7","1") = "6"
    & skf21("7","1","7","5","6","6","1","1") = "6"
    & skf21("7","1","7","5","6","6","2","1") = "6"
    & skf21("7","1","7","5","6","6","3","1") = "6"
    & skf21("7","1","7","5","6","6","4","1") = "6"
    & skf21("7","1","7","5","6","6","5","1") = "6"
    & skf21("7","1","7","5","6","6","6","1") = "6"
    & skf21("7","1","7","5","6","6","7","1") = "6"
    & skf21("7","1","7","5","6","7","1","1") = "6"
    & skf21("7","1","7","5","6","7","2","1") = "6"
    & skf21("7","1","7","5","6","7","3","1") = "6"
    & skf21("7","1","7","5","6","7","4","1") = "6"
    & skf21("7","1","7","5","6","7","5","1") = "6"
    & skf21("7","1","7","5","6","7","6","1") = "6"
    & skf21("7","1","7","5","6","7","7","1") = "6"
    & skf21("7","1","7","5","7","1","1","1") = "6"
    & skf21("7","1","7","5","7","1","2","1") = "6"
    & skf21("7","1","7","5","7","1","3","1") = "6"
    & skf21("7","1","7","5","7","1","4","1") = "6"
    & skf21("7","1","7","5","7","1","5","1") = "6"
    & skf21("7","1","7","5","7","1","6","1") = "6"
    & skf21("7","1","7","5","7","1","7","1") = "6"
    & skf21("7","1","7","5","7","2","1","1") = "6"
    & skf21("7","1","7","5","7","2","2","1") = "6"
    & skf21("7","1","7","5","7","2","3","1") = "6"
    & skf21("7","1","7","5","7","2","4","1") = "6"
    & skf21("7","1","7","5","7","2","5","1") = "6"
    & skf21("7","1","7","5","7","2","6","1") = "6"
    & skf21("7","1","7","5","7","2","7","1") = "6"
    & skf21("7","1","7","5","7","3","1","1") = "6"
    & skf21("7","1","7","5","7","3","2","1") = "6"
    & skf21("7","1","7","5","7","3","3","1") = "6"
    & skf21("7","1","7","5","7","3","4","1") = "6"
    & skf21("7","1","7","5","7","3","5","1") = "6"
    & skf21("7","1","7","5","7","3","6","1") = "6"
    & skf21("7","1","7","5","7","3","7","1") = "6"
    & skf21("7","1","7","5","7","4","1","1") = "6"
    & skf21("7","1","7","5","7","4","2","1") = "6"
    & skf21("7","1","7","5","7","4","3","1") = "6"
    & skf21("7","1","7","5","7","4","4","1") = "6"
    & skf21("7","1","7","5","7","4","5","1") = "6"
    & skf21("7","1","7","5","7","4","6","1") = "6"
    & skf21("7","1","7","5","7","4","7","1") = "6"
    & skf21("7","1","7","5","7","5","1","1") = "6"
    & skf21("7","1","7","5","7","5","2","1") = "6"
    & skf21("7","1","7","5","7","5","3","1") = "6"
    & skf21("7","1","7","5","7","5","4","1") = "6"
    & skf21("7","1","7","5","7","5","5","1") = "6"
    & skf21("7","1","7","5","7","5","6","1") = "6"
    & skf21("7","1","7","5","7","5","7","1") = "6"
    & skf21("7","1","7","5","7","6","1","1") = "6"
    & skf21("7","1","7","5","7","6","2","1") = "6"
    & skf21("7","1","7","5","7","6","3","1") = "6"
    & skf21("7","1","7","5","7","6","4","1") = "6"
    & skf21("7","1","7","5","7","6","5","1") = "6"
    & skf21("7","1","7","5","7","6","6","1") = "6"
    & skf21("7","1","7","5","7","6","7","1") = "6"
    & skf21("7","1","7","5","7","7","1","1") = "6"
    & skf21("7","1","7","5","7","7","2","1") = "6"
    & skf21("7","1","7","5","7","7","3","1") = "6"
    & skf21("7","1","7","5","7","7","4","1") = "6"
    & skf21("7","1","7","5","7","7","5","1") = "6"
    & skf21("7","1","7","5","7","7","6","1") = "6"
    & skf21("7","1","7","5","7","7","7","1") = "6"
    & skf21("7","1","7","6","1","1","1","1") = "6"
    & skf21("7","1","7","6","1","1","2","1") = "6"
    & skf21("7","1","7","6","1","1","3","1") = "6"
    & skf21("7","1","7","6","1","1","4","1") = "6"
    & skf21("7","1","7","6","1","1","5","1") = "6"
    & skf21("7","1","7","6","1","1","6","1") = "6"
    & skf21("7","1","7","6","1","1","7","1") = "6"
    & skf21("7","1","7","6","1","2","1","1") = "6"
    & skf21("7","1","7","6","1","2","2","1") = "6"
    & skf21("7","1","7","6","1","2","3","1") = "6"
    & skf21("7","1","7","6","1","2","4","1") = "6"
    & skf21("7","1","7","6","1","2","5","1") = "6"
    & skf21("7","1","7","6","1","2","6","1") = "6"
    & skf21("7","1","7","6","1","2","7","1") = "6"
    & skf21("7","1","7","6","1","3","1","1") = "6"
    & skf21("7","1","7","6","1","3","2","1") = "6"
    & skf21("7","1","7","6","1","3","3","1") = "6"
    & skf21("7","1","7","6","1","3","4","1") = "6"
    & skf21("7","1","7","6","1","3","5","1") = "6"
    & skf21("7","1","7","6","1","3","6","1") = "6"
    & skf21("7","1","7","6","1","3","7","1") = "6"
    & skf21("7","1","7","6","1","4","1","1") = "6"
    & skf21("7","1","7","6","1","4","2","1") = "6"
    & skf21("7","1","7","6","1","4","3","1") = "6"
    & skf21("7","1","7","6","1","4","4","1") = "6"
    & skf21("7","1","7","6","1","4","5","1") = "6"
    & skf21("7","1","7","6","1","4","6","1") = "6"
    & skf21("7","1","7","6","1","4","7","1") = "6"
    & skf21("7","1","7","6","1","5","1","1") = "6"
    & skf21("7","1","7","6","1","5","2","1") = "6"
    & skf21("7","1","7","6","1","5","3","1") = "6"
    & skf21("7","1","7","6","1","5","4","1") = "6"
    & skf21("7","1","7","6","1","5","5","1") = "6"
    & skf21("7","1","7","6","1","5","6","1") = "6"
    & skf21("7","1","7","6","1","5","7","1") = "6"
    & skf21("7","1","7","6","1","6","1","1") = "6"
    & skf21("7","1","7","6","1","6","2","1") = "6"
    & skf21("7","1","7","6","1","6","3","1") = "6"
    & skf21("7","1","7","6","1","6","4","1") = "6"
    & skf21("7","1","7","6","1","6","5","1") = "6"
    & skf21("7","1","7","6","1","6","6","1") = "6"
    & skf21("7","1","7","6","1","6","7","1") = "6"
    & skf21("7","1","7","6","1","7","1","1") = "6"
    & skf21("7","1","7","6","1","7","2","1") = "6"
    & skf21("7","1","7","6","1","7","3","1") = "6"
    & skf21("7","1","7","6","1","7","4","1") = "6"
    & skf21("7","1","7","6","1","7","5","1") = "6"
    & skf21("7","1","7","6","1","7","6","1") = "6"
    & skf21("7","1","7","6","1","7","7","1") = "6"
    & skf21("7","1","7","6","2","1","1","1") = "6"
    & skf21("7","1","7","6","2","1","2","1") = "6"
    & skf21("7","1","7","6","2","1","3","1") = "6"
    & skf21("7","1","7","6","2","1","4","1") = "6"
    & skf21("7","1","7","6","2","1","5","1") = "6"
    & skf21("7","1","7","6","2","1","6","1") = "6"
    & skf21("7","1","7","6","2","1","7","1") = "6"
    & skf21("7","1","7","6","2","2","1","1") = "6"
    & skf21("7","1","7","6","2","2","2","1") = "6"
    & skf21("7","1","7","6","2","2","3","1") = "6"
    & skf21("7","1","7","6","2","2","4","1") = "6"
    & skf21("7","1","7","6","2","2","5","1") = "6"
    & skf21("7","1","7","6","2","2","6","1") = "6"
    & skf21("7","1","7","6","2","2","7","1") = "6"
    & skf21("7","1","7","6","2","3","1","1") = "6"
    & skf21("7","1","7","6","2","3","2","1") = "6"
    & skf21("7","1","7","6","2","3","3","1") = "6"
    & skf21("7","1","7","6","2","3","4","1") = "6"
    & skf21("7","1","7","6","2","3","5","1") = "6"
    & skf21("7","1","7","6","2","3","6","1") = "6"
    & skf21("7","1","7","6","2","3","7","1") = "6"
    & skf21("7","1","7","6","2","4","1","1") = "6"
    & skf21("7","1","7","6","2","4","2","1") = "6"
    & skf21("7","1","7","6","2","4","3","1") = "6"
    & skf21("7","1","7","6","2","4","4","1") = "6"
    & skf21("7","1","7","6","2","4","5","1") = "6"
    & skf21("7","1","7","6","2","4","6","1") = "6"
    & skf21("7","1","7","6","2","4","7","1") = "6"
    & skf21("7","1","7","6","2","5","1","1") = "6"
    & skf21("7","1","7","6","2","5","2","1") = "6"
    & skf21("7","1","7","6","2","5","3","1") = "6"
    & skf21("7","1","7","6","2","5","4","1") = "6"
    & skf21("7","1","7","6","2","5","5","1") = "6"
    & skf21("7","1","7","6","2","5","6","1") = "6"
    & skf21("7","1","7","6","2","5","7","1") = "6"
    & skf21("7","1","7","6","2","6","1","1") = "6"
    & skf21("7","1","7","6","2","6","2","1") = "6"
    & skf21("7","1","7","6","2","6","3","1") = "6"
    & skf21("7","1","7","6","2","6","4","1") = "6"
    & skf21("7","1","7","6","2","6","5","1") = "6"
    & skf21("7","1","7","6","2","6","6","1") = "6"
    & skf21("7","1","7","6","2","6","7","1") = "6"
    & skf21("7","1","7","6","2","7","1","1") = "6"
    & skf21("7","1","7","6","2","7","2","1") = "6"
    & skf21("7","1","7","6","2","7","3","1") = "6"
    & skf21("7","1","7","6","2","7","4","1") = "6"
    & skf21("7","1","7","6","2","7","5","1") = "6"
    & skf21("7","1","7","6","2","7","6","1") = "6"
    & skf21("7","1","7","6","2","7","7","1") = "6"
    & skf21("7","1","7","6","3","1","1","1") = "6"
    & skf21("7","1","7","6","3","1","2","1") = "6"
    & skf21("7","1","7","6","3","1","3","1") = "6"
    & skf21("7","1","7","6","3","1","4","1") = "6"
    & skf21("7","1","7","6","3","1","5","1") = "6"
    & skf21("7","1","7","6","3","1","6","1") = "6"
    & skf21("7","1","7","6","3","1","7","1") = "6"
    & skf21("7","1","7","6","3","2","1","1") = "6"
    & skf21("7","1","7","6","3","2","2","1") = "6"
    & skf21("7","1","7","6","3","2","3","1") = "6"
    & skf21("7","1","7","6","3","2","4","1") = "6"
    & skf21("7","1","7","6","3","2","5","1") = "6"
    & skf21("7","1","7","6","3","2","6","1") = "6"
    & skf21("7","1","7","6","3","2","7","1") = "6"
    & skf21("7","1","7","6","3","3","1","1") = "6"
    & skf21("7","1","7","6","3","3","2","1") = "6"
    & skf21("7","1","7","6","3","3","3","1") = "6"
    & skf21("7","1","7","6","3","3","4","1") = "6"
    & skf21("7","1","7","6","3","3","5","1") = "6"
    & skf21("7","1","7","6","3","3","6","1") = "6"
    & skf21("7","1","7","6","3","3","7","1") = "6"
    & skf21("7","1","7","6","3","4","1","1") = "6"
    & skf21("7","1","7","6","3","4","2","1") = "6"
    & skf21("7","1","7","6","3","4","3","1") = "6"
    & skf21("7","1","7","6","3","4","4","1") = "6"
    & skf21("7","1","7","6","3","4","5","1") = "6"
    & skf21("7","1","7","6","3","4","6","1") = "6"
    & skf21("7","1","7","6","3","4","7","1") = "6"
    & skf21("7","1","7","6","3","5","1","1") = "6"
    & skf21("7","1","7","6","3","5","2","1") = "6"
    & skf21("7","1","7","6","3","5","3","1") = "6"
    & skf21("7","1","7","6","3","5","4","1") = "6"
    & skf21("7","1","7","6","3","5","5","1") = "6"
    & skf21("7","1","7","6","3","5","6","1") = "6"
    & skf21("7","1","7","6","3","5","7","1") = "6"
    & skf21("7","1","7","6","3","6","1","1") = "6"
    & skf21("7","1","7","6","3","6","2","1") = "6"
    & skf21("7","1","7","6","3","6","3","1") = "6"
    & skf21("7","1","7","6","3","6","4","1") = "6"
    & skf21("7","1","7","6","3","6","5","1") = "6"
    & skf21("7","1","7","6","3","6","6","1") = "6"
    & skf21("7","1","7","6","3","6","7","1") = "6"
    & skf21("7","1","7","6","3","7","1","1") = "6"
    & skf21("7","1","7","6","3","7","2","1") = "6"
    & skf21("7","1","7","6","3","7","3","1") = "6"
    & skf21("7","1","7","6","3","7","4","1") = "6"
    & skf21("7","1","7","6","3","7","5","1") = "6"
    & skf21("7","1","7","6","3","7","6","1") = "6"
    & skf21("7","1","7","6","3","7","7","1") = "6"
    & skf21("7","1","7","6","4","1","1","1") = "6"
    & skf21("7","1","7","6","4","1","2","1") = "6"
    & skf21("7","1","7","6","4","1","3","1") = "6"
    & skf21("7","1","7","6","4","1","4","1") = "6"
    & skf21("7","1","7","6","4","1","5","1") = "6"
    & skf21("7","1","7","6","4","1","6","1") = "6"
    & skf21("7","1","7","6","4","1","7","1") = "6"
    & skf21("7","1","7","6","4","2","1","1") = "6"
    & skf21("7","1","7","6","4","2","2","1") = "6"
    & skf21("7","1","7","6","4","2","3","1") = "6"
    & skf21("7","1","7","6","4","2","4","1") = "6"
    & skf21("7","1","7","6","4","2","5","1") = "6"
    & skf21("7","1","7","6","4","2","6","1") = "6"
    & skf21("7","1","7","6","4","2","7","1") = "6"
    & skf21("7","1","7","6","4","3","1","1") = "6"
    & skf21("7","1","7","6","4","3","2","1") = "6"
    & skf21("7","1","7","6","4","3","3","1") = "6"
    & skf21("7","1","7","6","4","3","4","1") = "6"
    & skf21("7","1","7","6","4","3","5","1") = "6"
    & skf21("7","1","7","6","4","3","6","1") = "6"
    & skf21("7","1","7","6","4","3","7","1") = "6"
    & skf21("7","1","7","6","4","4","1","1") = "6"
    & skf21("7","1","7","6","4","4","2","1") = "6"
    & skf21("7","1","7","6","4","4","3","1") = "6"
    & skf21("7","1","7","6","4","4","4","1") = "6"
    & skf21("7","1","7","6","4","4","5","1") = "6"
    & skf21("7","1","7","6","4","4","6","1") = "6"
    & skf21("7","1","7","6","4","4","7","1") = "6"
    & skf21("7","1","7","6","4","5","1","1") = "6"
    & skf21("7","1","7","6","4","5","2","1") = "6"
    & skf21("7","1","7","6","4","5","3","1") = "6"
    & skf21("7","1","7","6","4","5","4","1") = "6"
    & skf21("7","1","7","6","4","5","5","1") = "6"
    & skf21("7","1","7","6","4","5","6","1") = "6"
    & skf21("7","1","7","6","4","5","7","1") = "6"
    & skf21("7","1","7","6","4","6","1","1") = "6"
    & skf21("7","1","7","6","4","6","2","1") = "6"
    & skf21("7","1","7","6","4","6","3","1") = "6"
    & skf21("7","1","7","6","4","6","4","1") = "6"
    & skf21("7","1","7","6","4","6","5","1") = "6"
    & skf21("7","1","7","6","4","6","6","1") = "6"
    & skf21("7","1","7","6","4","6","7","1") = "6"
    & skf21("7","1","7","6","4","7","1","1") = "6"
    & skf21("7","1","7","6","4","7","2","1") = "6"
    & skf21("7","1","7","6","4","7","3","1") = "6"
    & skf21("7","1","7","6","4","7","4","1") = "6"
    & skf21("7","1","7","6","4","7","5","1") = "6"
    & skf21("7","1","7","6","4","7","6","1") = "6"
    & skf21("7","1","7","6","4","7","7","1") = "6"
    & skf21("7","1","7","6","5","1","1","1") = "6"
    & skf21("7","1","7","6","5","1","2","1") = "6"
    & skf21("7","1","7","6","5","1","3","1") = "6"
    & skf21("7","1","7","6","5","1","4","1") = "6"
    & skf21("7","1","7","6","5","1","5","1") = "6"
    & skf21("7","1","7","6","5","1","6","1") = "6"
    & skf21("7","1","7","6","5","1","7","1") = "6"
    & skf21("7","1","7","6","5","2","1","1") = "6"
    & skf21("7","1","7","6","5","2","2","1") = "6"
    & skf21("7","1","7","6","5","2","3","1") = "6"
    & skf21("7","1","7","6","5","2","4","1") = "6"
    & skf21("7","1","7","6","5","2","5","1") = "6"
    & skf21("7","1","7","6","5","2","6","1") = "6"
    & skf21("7","1","7","6","5","2","7","1") = "6"
    & skf21("7","1","7","6","5","3","1","1") = "6"
    & skf21("7","1","7","6","5","3","2","1") = "6"
    & skf21("7","1","7","6","5","3","3","1") = "6"
    & skf21("7","1","7","6","5","3","4","1") = "6"
    & skf21("7","1","7","6","5","3","5","1") = "6"
    & skf21("7","1","7","6","5","3","6","1") = "6"
    & skf21("7","1","7","6","5","3","7","1") = "6"
    & skf21("7","1","7","6","5","4","1","1") = "6"
    & skf21("7","1","7","6","5","4","2","1") = "6"
    & skf21("7","1","7","6","5","4","3","1") = "6"
    & skf21("7","1","7","6","5","4","4","1") = "6"
    & skf21("7","1","7","6","5","4","5","1") = "6"
    & skf21("7","1","7","6","5","4","6","1") = "6"
    & skf21("7","1","7","6","5","4","7","1") = "6"
    & skf21("7","1","7","6","5","5","1","1") = "6"
    & skf21("7","1","7","6","5","5","2","1") = "6"
    & skf21("7","1","7","6","5","5","3","1") = "6"
    & skf21("7","1","7","6","5","5","4","1") = "6"
    & skf21("7","1","7","6","5","5","5","1") = "6"
    & skf21("7","1","7","6","5","5","6","1") = "6"
    & skf21("7","1","7","6","5","5","7","1") = "6"
    & skf21("7","1","7","6","5","6","1","1") = "6"
    & skf21("7","1","7","6","5","6","2","1") = "6"
    & skf21("7","1","7","6","5","6","3","1") = "6"
    & skf21("7","1","7","6","5","6","4","1") = "6"
    & skf21("7","1","7","6","5","6","5","1") = "6"
    & skf21("7","1","7","6","5","6","6","1") = "6"
    & skf21("7","1","7","6","5","6","7","1") = "6"
    & skf21("7","1","7","6","5","7","1","1") = "6"
    & skf21("7","1","7","6","5","7","2","1") = "6"
    & skf21("7","1","7","6","5","7","3","1") = "6"
    & skf21("7","1","7","6","5","7","4","1") = "6"
    & skf21("7","1","7","6","5","7","5","1") = "6"
    & skf21("7","1","7","6","5","7","6","1") = "6"
    & skf21("7","1","7","6","5","7","7","1") = "6"
    & skf21("7","1","7","6","6","1","1","1") = "6"
    & skf21("7","1","7","6","6","1","2","1") = "6"
    & skf21("7","1","7","6","6","1","3","1") = "6"
    & skf21("7","1","7","6","6","1","4","1") = "6"
    & skf21("7","1","7","6","6","1","5","1") = "6"
    & skf21("7","1","7","6","6","1","6","1") = "6"
    & skf21("7","1","7","6","6","1","7","1") = "6"
    & skf21("7","1","7","6","6","2","1","1") = "6"
    & skf21("7","1","7","6","6","2","2","1") = "6"
    & skf21("7","1","7","6","6","2","3","1") = "6"
    & skf21("7","1","7","6","6","2","4","1") = "6"
    & skf21("7","1","7","6","6","2","5","1") = "6"
    & skf21("7","1","7","6","6","2","6","1") = "6"
    & skf21("7","1","7","6","6","2","7","1") = "6"
    & skf21("7","1","7","6","6","3","1","1") = "6"
    & skf21("7","1","7","6","6","3","2","1") = "6"
    & skf21("7","1","7","6","6","3","3","1") = "6"
    & skf21("7","1","7","6","6","3","4","1") = "6"
    & skf21("7","1","7","6","6","3","5","1") = "6"
    & skf21("7","1","7","6","6","3","6","1") = "6"
    & skf21("7","1","7","6","6","3","7","1") = "6"
    & skf21("7","1","7","6","6","4","1","1") = "6"
    & skf21("7","1","7","6","6","4","2","1") = "6"
    & skf21("7","1","7","6","6","4","3","1") = "6"
    & skf21("7","1","7","6","6","4","4","1") = "6"
    & skf21("7","1","7","6","6","4","5","1") = "6"
    & skf21("7","1","7","6","6","4","6","1") = "6"
    & skf21("7","1","7","6","6","4","7","1") = "6"
    & skf21("7","1","7","6","6","5","1","1") = "6"
    & skf21("7","1","7","6","6","5","2","1") = "6"
    & skf21("7","1","7","6","6","5","3","1") = "6"
    & skf21("7","1","7","6","6","5","4","1") = "6"
    & skf21("7","1","7","6","6","5","5","1") = "6"
    & skf21("7","1","7","6","6","5","6","1") = "6"
    & skf21("7","1","7","6","6","5","7","1") = "6"
    & skf21("7","1","7","6","6","6","1","1") = "6"
    & skf21("7","1","7","6","6","6","2","1") = "6"
    & skf21("7","1","7","6","6","6","3","1") = "6"
    & skf21("7","1","7","6","6","6","4","1") = "6"
    & skf21("7","1","7","6","6","6","5","1") = "6"
    & skf21("7","1","7","6","6","6","6","1") = "6"
    & skf21("7","1","7","6","6","6","7","1") = "6"
    & skf21("7","1","7","6","6","7","1","1") = "6"
    & skf21("7","1","7","6","6","7","2","1") = "6"
    & skf21("7","1","7","6","6","7","3","1") = "6"
    & skf21("7","1","7","6","6","7","4","1") = "6"
    & skf21("7","1","7","6","6","7","5","1") = "6"
    & skf21("7","1","7","6","6","7","6","1") = "6"
    & skf21("7","1","7","6","6","7","7","1") = "6"
    & skf21("7","1","7","6","7","1","1","1") = "6"
    & skf21("7","1","7","6","7","1","2","1") = "6"
    & skf21("7","1","7","6","7","1","3","1") = "6"
    & skf21("7","1","7","6","7","1","4","1") = "6"
    & skf21("7","1","7","6","7","1","5","1") = "6"
    & skf21("7","1","7","6","7","1","6","1") = "6"
    & skf21("7","1","7","6","7","1","7","1") = "6"
    & skf21("7","1","7","6","7","2","1","1") = "6"
    & skf21("7","1","7","6","7","2","2","1") = "6"
    & skf21("7","1","7","6","7","2","3","1") = "6"
    & skf21("7","1","7","6","7","2","4","1") = "6"
    & skf21("7","1","7","6","7","2","5","1") = "6"
    & skf21("7","1","7","6","7","2","6","1") = "6"
    & skf21("7","1","7","6","7","2","7","1") = "6"
    & skf21("7","1","7","6","7","3","1","1") = "6"
    & skf21("7","1","7","6","7","3","2","1") = "6"
    & skf21("7","1","7","6","7","3","3","1") = "6"
    & skf21("7","1","7","6","7","3","4","1") = "6"
    & skf21("7","1","7","6","7","3","5","1") = "6"
    & skf21("7","1","7","6","7","3","6","1") = "6"
    & skf21("7","1","7","6","7","3","7","1") = "6"
    & skf21("7","1","7","6","7","4","1","1") = "6"
    & skf21("7","1","7","6","7","4","2","1") = "6"
    & skf21("7","1","7","6","7","4","3","1") = "6"
    & skf21("7","1","7","6","7","4","4","1") = "6"
    & skf21("7","1","7","6","7","4","5","1") = "6"
    & skf21("7","1","7","6","7","4","6","1") = "6"
    & skf21("7","1","7","6","7","4","7","1") = "6"
    & skf21("7","1","7","6","7","5","1","1") = "6"
    & skf21("7","1","7","6","7","5","2","1") = "6"
    & skf21("7","1","7","6","7","5","3","1") = "6"
    & skf21("7","1","7","6","7","5","4","1") = "6"
    & skf21("7","1","7","6","7","5","5","1") = "6"
    & skf21("7","1","7","6","7","5","6","1") = "6"
    & skf21("7","1","7","6","7","5","7","1") = "6"
    & skf21("7","1","7","6","7","6","1","1") = "6"
    & skf21("7","1","7","6","7","6","2","1") = "6"
    & skf21("7","1","7","6","7","6","3","1") = "6"
    & skf21("7","1","7","6","7","6","4","1") = "6"
    & skf21("7","1","7","6","7","6","5","1") = "6"
    & skf21("7","1","7","6","7","6","6","1") = "6"
    & skf21("7","1","7","6","7","6","7","1") = "6"
    & skf21("7","1","7","6","7","7","1","1") = "6"
    & skf21("7","1","7","6","7","7","2","1") = "6"
    & skf21("7","1","7","6","7","7","3","1") = "6"
    & skf21("7","1","7","6","7","7","4","1") = "6"
    & skf21("7","1","7","6","7","7","5","1") = "6"
    & skf21("7","1","7","6","7","7","6","1") = "6"
    & skf21("7","1","7","6","7","7","7","1") = "6"
    & skf21("7","1","7","7","1","1","1","1") = "6"
    & skf21("7","1","7","7","1","1","2","1") = "6"
    & skf21("7","1","7","7","1","1","3","1") = "6"
    & skf21("7","1","7","7","1","1","4","1") = "6"
    & skf21("7","1","7","7","1","1","5","1") = "6"
    & skf21("7","1","7","7","1","1","6","1") = "6"
    & skf21("7","1","7","7","1","1","7","1") = "6"
    & skf21("7","1","7","7","1","2","1","1") = "6"
    & skf21("7","1","7","7","1","2","2","1") = "6"
    & skf21("7","1","7","7","1","2","3","1") = "6"
    & skf21("7","1","7","7","1","2","4","1") = "6"
    & skf21("7","1","7","7","1","2","5","1") = "6"
    & skf21("7","1","7","7","1","2","6","1") = "6"
    & skf21("7","1","7","7","1","2","7","1") = "6"
    & skf21("7","1","7","7","1","3","1","1") = "6"
    & skf21("7","1","7","7","1","3","2","1") = "6"
    & skf21("7","1","7","7","1","3","3","1") = "6"
    & skf21("7","1","7","7","1","3","4","1") = "6"
    & skf21("7","1","7","7","1","3","5","1") = "6"
    & skf21("7","1","7","7","1","3","6","1") = "6"
    & skf21("7","1","7","7","1","3","7","1") = "6"
    & skf21("7","1","7","7","1","4","1","1") = "6"
    & skf21("7","1","7","7","1","4","2","1") = "6"
    & skf21("7","1","7","7","1","4","3","1") = "6"
    & skf21("7","1","7","7","1","4","4","1") = "6"
    & skf21("7","1","7","7","1","4","5","1") = "6"
    & skf21("7","1","7","7","1","4","6","1") = "6"
    & skf21("7","1","7","7","1","4","7","1") = "6"
    & skf21("7","1","7","7","1","5","1","1") = "6"
    & skf21("7","1","7","7","1","5","2","1") = "6"
    & skf21("7","1","7","7","1","5","3","1") = "6"
    & skf21("7","1","7","7","1","5","4","1") = "6"
    & skf21("7","1","7","7","1","5","5","1") = "6"
    & skf21("7","1","7","7","1","5","6","1") = "6"
    & skf21("7","1","7","7","1","5","7","1") = "6"
    & skf21("7","1","7","7","1","6","1","1") = "6"
    & skf21("7","1","7","7","1","6","2","1") = "6"
    & skf21("7","1","7","7","1","6","3","1") = "6"
    & skf21("7","1","7","7","1","6","4","1") = "6"
    & skf21("7","1","7","7","1","6","5","1") = "6"
    & skf21("7","1","7","7","1","6","6","1") = "6"
    & skf21("7","1","7","7","1","6","7","1") = "6"
    & skf21("7","1","7","7","1","7","1","1") = "6"
    & skf21("7","1","7","7","1","7","2","1") = "6"
    & skf21("7","1","7","7","1","7","3","1") = "6"
    & skf21("7","1","7","7","1","7","4","1") = "6"
    & skf21("7","1","7","7","1","7","5","1") = "6"
    & skf21("7","1","7","7","1","7","6","1") = "6"
    & skf21("7","1","7","7","1","7","7","1") = "6"
    & skf21("7","1","7","7","2","1","1","1") = "6"
    & skf21("7","1","7","7","2","1","2","1") = "6"
    & skf21("7","1","7","7","2","1","3","1") = "6"
    & skf21("7","1","7","7","2","1","4","1") = "6"
    & skf21("7","1","7","7","2","1","5","1") = "6"
    & skf21("7","1","7","7","2","1","6","1") = "6"
    & skf21("7","1","7","7","2","1","7","1") = "6"
    & skf21("7","1","7","7","2","2","1","1") = "6"
    & skf21("7","1","7","7","2","2","2","1") = "6"
    & skf21("7","1","7","7","2","2","3","1") = "6"
    & skf21("7","1","7","7","2","2","4","1") = "6"
    & skf21("7","1","7","7","2","2","5","1") = "6"
    & skf21("7","1","7","7","2","2","6","1") = "6"
    & skf21("7","1","7","7","2","2","7","1") = "6"
    & skf21("7","1","7","7","2","3","1","1") = "6"
    & skf21("7","1","7","7","2","3","2","1") = "6"
    & skf21("7","1","7","7","2","3","3","1") = "6"
    & skf21("7","1","7","7","2","3","4","1") = "6"
    & skf21("7","1","7","7","2","3","5","1") = "6"
    & skf21("7","1","7","7","2","3","6","1") = "6"
    & skf21("7","1","7","7","2","3","7","1") = "6"
    & skf21("7","1","7","7","2","4","1","1") = "6"
    & skf21("7","1","7","7","2","4","2","1") = "6"
    & skf21("7","1","7","7","2","4","3","1") = "6"
    & skf21("7","1","7","7","2","4","4","1") = "6"
    & skf21("7","1","7","7","2","4","5","1") = "6"
    & skf21("7","1","7","7","2","4","6","1") = "6"
    & skf21("7","1","7","7","2","4","7","1") = "6"
    & skf21("7","1","7","7","2","5","1","1") = "6"
    & skf21("7","1","7","7","2","5","2","1") = "6"
    & skf21("7","1","7","7","2","5","3","1") = "6"
    & skf21("7","1","7","7","2","5","4","1") = "6"
    & skf21("7","1","7","7","2","5","5","1") = "6"
    & skf21("7","1","7","7","2","5","6","1") = "6"
    & skf21("7","1","7","7","2","5","7","1") = "6"
    & skf21("7","1","7","7","2","6","1","1") = "6"
    & skf21("7","1","7","7","2","6","2","1") = "6"
    & skf21("7","1","7","7","2","6","3","1") = "6"
    & skf21("7","1","7","7","2","6","4","1") = "6"
    & skf21("7","1","7","7","2","6","5","1") = "6"
    & skf21("7","1","7","7","2","6","6","1") = "6"
    & skf21("7","1","7","7","2","6","7","1") = "6"
    & skf21("7","1","7","7","2","7","1","1") = "6"
    & skf21("7","1","7","7","2","7","2","1") = "6"
    & skf21("7","1","7","7","2","7","3","1") = "6"
    & skf21("7","1","7","7","2","7","4","1") = "6"
    & skf21("7","1","7","7","2","7","5","1") = "6"
    & skf21("7","1","7","7","2","7","6","1") = "6"
    & skf21("7","1","7","7","2","7","7","1") = "6"
    & skf21("7","1","7","7","3","1","1","1") = "6"
    & skf21("7","1","7","7","3","1","2","1") = "6"
    & skf21("7","1","7","7","3","1","3","1") = "6"
    & skf21("7","1","7","7","3","1","4","1") = "6"
    & skf21("7","1","7","7","3","1","5","1") = "6"
    & skf21("7","1","7","7","3","1","6","1") = "6"
    & skf21("7","1","7","7","3","1","7","1") = "6"
    & skf21("7","1","7","7","3","2","1","1") = "6"
    & skf21("7","1","7","7","3","2","2","1") = "6"
    & skf21("7","1","7","7","3","2","3","1") = "6"
    & skf21("7","1","7","7","3","2","4","1") = "6"
    & skf21("7","1","7","7","3","2","5","1") = "6"
    & skf21("7","1","7","7","3","2","6","1") = "6"
    & skf21("7","1","7","7","3","2","7","1") = "6"
    & skf21("7","1","7","7","3","3","1","1") = "6"
    & skf21("7","1","7","7","3","3","2","1") = "6"
    & skf21("7","1","7","7","3","3","3","1") = "6"
    & skf21("7","1","7","7","3","3","4","1") = "6"
    & skf21("7","1","7","7","3","3","5","1") = "6"
    & skf21("7","1","7","7","3","3","6","1") = "6"
    & skf21("7","1","7","7","3","3","7","1") = "6"
    & skf21("7","1","7","7","3","4","1","1") = "6"
    & skf21("7","1","7","7","3","4","2","1") = "6"
    & skf21("7","1","7","7","3","4","3","1") = "6"
    & skf21("7","1","7","7","3","4","4","1") = "6"
    & skf21("7","1","7","7","3","4","5","1") = "6"
    & skf21("7","1","7","7","3","4","6","1") = "6"
    & skf21("7","1","7","7","3","4","7","1") = "6"
    & skf21("7","1","7","7","3","5","1","1") = "6"
    & skf21("7","1","7","7","3","5","2","1") = "6"
    & skf21("7","1","7","7","3","5","3","1") = "6"
    & skf21("7","1","7","7","3","5","4","1") = "6"
    & skf21("7","1","7","7","3","5","5","1") = "6"
    & skf21("7","1","7","7","3","5","6","1") = "6"
    & skf21("7","1","7","7","3","5","7","1") = "6"
    & skf21("7","1","7","7","3","6","1","1") = "6"
    & skf21("7","1","7","7","3","6","2","1") = "6"
    & skf21("7","1","7","7","3","6","3","1") = "6"
    & skf21("7","1","7","7","3","6","4","1") = "6"
    & skf21("7","1","7","7","3","6","5","1") = "6"
    & skf21("7","1","7","7","3","6","6","1") = "6"
    & skf21("7","1","7","7","3","6","7","1") = "6"
    & skf21("7","1","7","7","3","7","1","1") = "6"
    & skf21("7","1","7","7","3","7","2","1") = "6"
    & skf21("7","1","7","7","3","7","3","1") = "6"
    & skf21("7","1","7","7","3","7","4","1") = "6"
    & skf21("7","1","7","7","3","7","5","1") = "6"
    & skf21("7","1","7","7","3","7","6","1") = "6"
    & skf21("7","1","7","7","3","7","7","1") = "6"
    & skf21("7","1","7","7","4","1","1","1") = "6"
    & skf21("7","1","7","7","4","1","2","1") = "6"
    & skf21("7","1","7","7","4","1","3","1") = "6"
    & skf21("7","1","7","7","4","1","4","1") = "6"
    & skf21("7","1","7","7","4","1","5","1") = "6"
    & skf21("7","1","7","7","4","1","6","1") = "6"
    & skf21("7","1","7","7","4","1","7","1") = "6"
    & skf21("7","1","7","7","4","2","1","1") = "6"
    & skf21("7","1","7","7","4","2","2","1") = "6"
    & skf21("7","1","7","7","4","2","3","1") = "6"
    & skf21("7","1","7","7","4","2","4","1") = "6"
    & skf21("7","1","7","7","4","2","5","1") = "6"
    & skf21("7","1","7","7","4","2","6","1") = "6"
    & skf21("7","1","7","7","4","2","7","1") = "6"
    & skf21("7","1","7","7","4","3","1","1") = "6"
    & skf21("7","1","7","7","4","3","2","1") = "6"
    & skf21("7","1","7","7","4","3","3","1") = "6"
    & skf21("7","1","7","7","4","3","4","1") = "6"
    & skf21("7","1","7","7","4","3","5","1") = "6"
    & skf21("7","1","7","7","4","3","6","1") = "6"
    & skf21("7","1","7","7","4","3","7","1") = "6"
    & skf21("7","1","7","7","4","4","1","1") = "6"
    & skf21("7","1","7","7","4","4","2","1") = "6"
    & skf21("7","1","7","7","4","4","3","1") = "6"
    & skf21("7","1","7","7","4","4","4","1") = "6"
    & skf21("7","1","7","7","4","4","5","1") = "6"
    & skf21("7","1","7","7","4","4","6","1") = "6"
    & skf21("7","1","7","7","4","4","7","1") = "6"
    & skf21("7","1","7","7","4","5","1","1") = "6"
    & skf21("7","1","7","7","4","5","2","1") = "6"
    & skf21("7","1","7","7","4","5","3","1") = "6"
    & skf21("7","1","7","7","4","5","4","1") = "6"
    & skf21("7","1","7","7","4","5","5","1") = "6"
    & skf21("7","1","7","7","4","5","6","1") = "6"
    & skf21("7","1","7","7","4","5","7","1") = "6"
    & skf21("7","1","7","7","4","6","1","1") = "6"
    & skf21("7","1","7","7","4","6","2","1") = "6"
    & skf21("7","1","7","7","4","6","3","1") = "6"
    & skf21("7","1","7","7","4","6","4","1") = "6"
    & skf21("7","1","7","7","4","6","5","1") = "6"
    & skf21("7","1","7","7","4","6","6","1") = "6"
    & skf21("7","1","7","7","4","6","7","1") = "6"
    & skf21("7","1","7","7","4","7","1","1") = "6"
    & skf21("7","1","7","7","4","7","2","1") = "6"
    & skf21("7","1","7","7","4","7","3","1") = "6"
    & skf21("7","1","7","7","4","7","4","1") = "6"
    & skf21("7","1","7","7","4","7","5","1") = "6"
    & skf21("7","1","7","7","4","7","6","1") = "6"
    & skf21("7","1","7","7","4","7","7","1") = "6"
    & skf21("7","1","7","7","5","1","1","1") = "6"
    & skf21("7","1","7","7","5","1","2","1") = "6"
    & skf21("7","1","7","7","5","1","3","1") = "6"
    & skf21("7","1","7","7","5","1","4","1") = "6"
    & skf21("7","1","7","7","5","1","5","1") = "6"
    & skf21("7","1","7","7","5","1","6","1") = "6"
    & skf21("7","1","7","7","5","1","7","1") = "6"
    & skf21("7","1","7","7","5","2","1","1") = "6"
    & skf21("7","1","7","7","5","2","2","1") = "6"
    & skf21("7","1","7","7","5","2","3","1") = "6"
    & skf21("7","1","7","7","5","2","4","1") = "6"
    & skf21("7","1","7","7","5","2","5","1") = "6"
    & skf21("7","1","7","7","5","2","6","1") = "6"
    & skf21("7","1","7","7","5","2","7","1") = "6"
    & skf21("7","1","7","7","5","3","1","1") = "6"
    & skf21("7","1","7","7","5","3","2","1") = "6"
    & skf21("7","1","7","7","5","3","3","1") = "6"
    & skf21("7","1","7","7","5","3","4","1") = "6"
    & skf21("7","1","7","7","5","3","5","1") = "6"
    & skf21("7","1","7","7","5","3","6","1") = "6"
    & skf21("7","1","7","7","5","3","7","1") = "6"
    & skf21("7","1","7","7","5","4","1","1") = "6"
    & skf21("7","1","7","7","5","4","2","1") = "6"
    & skf21("7","1","7","7","5","4","3","1") = "6"
    & skf21("7","1","7","7","5","4","4","1") = "6"
    & skf21("7","1","7","7","5","4","5","1") = "6"
    & skf21("7","1","7","7","5","4","6","1") = "6"
    & skf21("7","1","7","7","5","4","7","1") = "6"
    & skf21("7","1","7","7","5","5","1","1") = "6"
    & skf21("7","1","7","7","5","5","2","1") = "6"
    & skf21("7","1","7","7","5","5","3","1") = "6"
    & skf21("7","1","7","7","5","5","4","1") = "6"
    & skf21("7","1","7","7","5","5","5","1") = "6"
    & skf21("7","1","7","7","5","5","6","1") = "6"
    & skf21("7","1","7","7","5","5","7","1") = "6"
    & skf21("7","1","7","7","5","6","1","1") = "6"
    & skf21("7","1","7","7","5","6","2","1") = "6"
    & skf21("7","1","7","7","5","6","3","1") = "6"
    & skf21("7","1","7","7","5","6","4","1") = "6"
    & skf21("7","1","7","7","5","6","5","1") = "6"
    & skf21("7","1","7","7","5","6","6","1") = "6"
    & skf21("7","1","7","7","5","6","7","1") = "6"
    & skf21("7","1","7","7","5","7","1","1") = "6"
    & skf21("7","1","7","7","5","7","2","1") = "6"
    & skf21("7","1","7","7","5","7","3","1") = "6"
    & skf21("7","1","7","7","5","7","4","1") = "6"
    & skf21("7","1","7","7","5","7","5","1") = "6"
    & skf21("7","1","7","7","5","7","6","1") = "6"
    & skf21("7","1","7","7","5","7","7","1") = "6"
    & skf21("7","1","7","7","6","1","1","1") = "6"
    & skf21("7","1","7","7","6","1","2","1") = "6"
    & skf21("7","1","7","7","6","1","3","1") = "6"
    & skf21("7","1","7","7","6","1","4","1") = "6"
    & skf21("7","1","7","7","6","1","5","1") = "6"
    & skf21("7","1","7","7","6","1","6","1") = "6"
    & skf21("7","1","7","7","6","1","7","1") = "6"
    & skf21("7","1","7","7","6","2","1","1") = "6"
    & skf21("7","1","7","7","6","2","2","1") = "6"
    & skf21("7","1","7","7","6","2","3","1") = "6"
    & skf21("7","1","7","7","6","2","4","1") = "6"
    & skf21("7","1","7","7","6","2","5","1") = "6"
    & skf21("7","1","7","7","6","2","6","1") = "6"
    & skf21("7","1","7","7","6","2","7","1") = "6"
    & skf21("7","1","7","7","6","3","1","1") = "6"
    & skf21("7","1","7","7","6","3","2","1") = "6"
    & skf21("7","1","7","7","6","3","3","1") = "6"
    & skf21("7","1","7","7","6","3","4","1") = "6"
    & skf21("7","1","7","7","6","3","5","1") = "6"
    & skf21("7","1","7","7","6","3","6","1") = "6"
    & skf21("7","1","7","7","6","3","7","1") = "6"
    & skf21("7","1","7","7","6","4","1","1") = "6"
    & skf21("7","1","7","7","6","4","2","1") = "6"
    & skf21("7","1","7","7","6","4","3","1") = "6"
    & skf21("7","1","7","7","6","4","4","1") = "6"
    & skf21("7","1","7","7","6","4","5","1") = "6"
    & skf21("7","1","7","7","6","4","6","1") = "6"
    & skf21("7","1","7","7","6","4","7","1") = "6"
    & skf21("7","1","7","7","6","5","1","1") = "6"
    & skf21("7","1","7","7","6","5","2","1") = "6"
    & skf21("7","1","7","7","6","5","3","1") = "6"
    & skf21("7","1","7","7","6","5","4","1") = "6"
    & skf21("7","1","7","7","6","5","5","1") = "6"
    & skf21("7","1","7","7","6","5","6","1") = "6"
    & skf21("7","1","7","7","6","5","7","1") = "6"
    & skf21("7","1","7","7","6","6","1","1") = "6"
    & skf21("7","1","7","7","6","6","2","1") = "6"
    & skf21("7","1","7","7","6","6","3","1") = "6"
    & skf21("7","1","7","7","6","6","4","1") = "6"
    & skf21("7","1","7","7","6","6","5","1") = "6"
    & skf21("7","1","7","7","6","6","6","1") = "6"
    & skf21("7","1","7","7","6","6","7","1") = "6"
    & skf21("7","1","7","7","6","7","1","1") = "6"
    & skf21("7","1","7","7","6","7","2","1") = "6"
    & skf21("7","1","7","7","6","7","3","1") = "6"
    & skf21("7","1","7","7","6","7","4","1") = "6"
    & skf21("7","1","7","7","6","7","5","1") = "6"
    & skf21("7","1","7","7","6","7","6","1") = "6"
    & skf21("7","1","7","7","6","7","7","1") = "6"
    & skf21("7","1","7","7","7","1","1","1") = "6"
    & skf21("7","1","7","7","7","1","2","1") = "6"
    & skf21("7","1","7","7","7","1","3","1") = "6"
    & skf21("7","1","7","7","7","1","4","1") = "6"
    & skf21("7","1","7","7","7","1","5","1") = "6"
    & skf21("7","1","7","7","7","1","6","1") = "6"
    & skf21("7","1","7","7","7","1","7","1") = "6"
    & skf21("7","1","7","7","7","2","1","1") = "6"
    & skf21("7","1","7","7","7","2","2","1") = "6"
    & skf21("7","1","7","7","7","2","3","1") = "6"
    & skf21("7","1","7","7","7","2","4","1") = "6"
    & skf21("7","1","7","7","7","2","5","1") = "6"
    & skf21("7","1","7","7","7","2","6","1") = "6"
    & skf21("7","1","7","7","7","2","7","1") = "6"
    & skf21("7","1","7","7","7","3","1","1") = "6"
    & skf21("7","1","7","7","7","3","2","1") = "6"
    & skf21("7","1","7","7","7","3","3","1") = "6"
    & skf21("7","1","7","7","7","3","4","1") = "6"
    & skf21("7","1","7","7","7","3","5","1") = "6"
    & skf21("7","1","7","7","7","3","6","1") = "6"
    & skf21("7","1","7","7","7","3","7","1") = "6"
    & skf21("7","1","7","7","7","4","1","1") = "6"
    & skf21("7","1","7","7","7","4","2","1") = "6"
    & skf21("7","1","7","7","7","4","3","1") = "6"
    & skf21("7","1","7","7","7","4","4","1") = "6"
    & skf21("7","1","7","7","7","4","5","1") = "6"
    & skf21("7","1","7","7","7","4","6","1") = "6"
    & skf21("7","1","7","7","7","4","7","1") = "6"
    & skf21("7","1","7","7","7","5","1","1") = "6"
    & skf21("7","1","7","7","7","5","2","1") = "6"
    & skf21("7","1","7","7","7","5","3","1") = "6"
    & skf21("7","1","7","7","7","5","4","1") = "6"
    & skf21("7","1","7","7","7","5","5","1") = "6"
    & skf21("7","1","7","7","7","5","6","1") = "6"
    & skf21("7","1","7","7","7","5","7","1") = "6"
    & skf21("7","1","7","7","7","6","1","1") = "6"
    & skf21("7","1","7","7","7","6","2","1") = "6"
    & skf21("7","1","7","7","7","6","3","1") = "6"
    & skf21("7","1","7","7","7","6","4","1") = "6"
    & skf21("7","1","7","7","7","6","5","1") = "6"
    & skf21("7","1","7","7","7","6","6","1") = "6"
    & skf21("7","1","7","7","7","6","7","1") = "6"
    & skf21("7","1","7","7","7","7","1","1") = "6"
    & skf21("7","1","7","7","7","7","2","1") = "6"
    & skf21("7","1","7","7","7","7","3","1") = "6"
    & skf21("7","1","7","7","7","7","4","1") = "6"
    & skf21("7","1","7","7","7","7","5","1") = "6"
    & skf21("7","1","7","7","7","7","6","1") = "6"
    & skf21("7","1","7","7","7","7","7","1") = "6"
    & skf21("7","2","1","1","1","1","1","1") = "6"
    & skf21("7","2","1","1","1","1","2","1") = "6"
    & skf21("7","2","1","1","1","1","3","1") = "6"
    & skf21("7","2","1","1","1","1","4","1") = "6"
    & skf21("7","2","1","1","1","1","5","1") = "6"
    & skf21("7","2","1","1","1","1","6","1") = "6"
    & skf21("7","2","1","1","1","1","7","1") = "6"
    & skf21("7","2","1","1","1","2","1","1") = "6"
    & skf21("7","2","1","1","1","2","2","1") = "6"
    & skf21("7","2","1","1","1","2","3","1") = "6"
    & skf21("7","2","1","1","1","2","4","1") = "6"
    & skf21("7","2","1","1","1","2","5","1") = "6"
    & skf21("7","2","1","1","1","2","6","1") = "6"
    & skf21("7","2","1","1","1","2","7","1") = "6"
    & skf21("7","2","1","1","1","3","1","1") = "6"
    & skf21("7","2","1","1","1","3","2","1") = "6"
    & skf21("7","2","1","1","1","3","3","1") = "6"
    & skf21("7","2","1","1","1","3","4","1") = "6"
    & skf21("7","2","1","1","1","3","5","1") = "6"
    & skf21("7","2","1","1","1","3","6","1") = "6"
    & skf21("7","2","1","1","1","3","7","1") = "6"
    & skf21("7","2","1","1","1","4","1","1") = "6"
    & skf21("7","2","1","1","1","4","2","1") = "6"
    & skf21("7","2","1","1","1","4","3","1") = "6"
    & skf21("7","2","1","1","1","4","4","1") = "6"
    & skf21("7","2","1","1","1","4","5","1") = "6"
    & skf21("7","2","1","1","1","4","6","1") = "6"
    & skf21("7","2","1","1","1","4","7","1") = "6"
    & skf21("7","2","1","1","1","5","1","1") = "6"
    & skf21("7","2","1","1","1","5","2","1") = "6"
    & skf21("7","2","1","1","1","5","3","1") = "6"
    & skf21("7","2","1","1","1","5","4","1") = "6"
    & skf21("7","2","1","1","1","5","5","1") = "6"
    & skf21("7","2","1","1","1","5","6","1") = "6"
    & skf21("7","2","1","1","1","5","7","1") = "6"
    & skf21("7","2","1","1","1","6","1","1") = "6"
    & skf21("7","2","1","1","1","6","2","1") = "6"
    & skf21("7","2","1","1","1","6","3","1") = "6"
    & skf21("7","2","1","1","1","6","4","1") = "6"
    & skf21("7","2","1","1","1","6","5","1") = "6"
    & skf21("7","2","1","1","1","6","6","1") = "6"
    & skf21("7","2","1","1","1","6","7","1") = "6"
    & skf21("7","2","1","1","1","7","1","1") = "6"
    & skf21("7","2","1","1","1","7","2","1") = "6"
    & skf21("7","2","1","1","1","7","3","1") = "6"
    & skf21("7","2","1","1","1","7","4","1") = "6"
    & skf21("7","2","1","1","1","7","5","1") = "6"
    & skf21("7","2","1","1","1","7","6","1") = "6"
    & skf21("7","2","1","1","1","7","7","1") = "6"
    & skf21("7","2","1","1","2","1","1","1") = "6"
    & skf21("7","2","1","1","2","1","2","1") = "6"
    & skf21("7","2","1","1","2","1","3","1") = "6"
    & skf21("7","2","1","1","2","1","4","1") = "6"
    & skf21("7","2","1","1","2","1","5","1") = "6"
    & skf21("7","2","1","1","2","1","6","1") = "6"
    & skf21("7","2","1","1","2","1","7","1") = "6"
    & skf21("7","2","1","1","2","2","1","1") = "6"
    & skf21("7","2","1","1","2","2","2","1") = "6"
    & skf21("7","2","1","1","2","2","3","1") = "6"
    & skf21("7","2","1","1","2","2","4","1") = "6"
    & skf21("7","2","1","1","2","2","5","1") = "6"
    & skf21("7","2","1","1","2","2","6","1") = "6"
    & skf21("7","2","1","1","2","2","7","1") = "6"
    & skf21("7","2","1","1","2","3","1","1") = "6"
    & skf21("7","2","1","1","2","3","2","1") = "6"
    & skf21("7","2","1","1","2","3","3","1") = "6"
    & skf21("7","2","1","1","2","3","4","1") = "6"
    & skf21("7","2","1","1","2","3","5","1") = "6"
    & skf21("7","2","1","1","2","3","6","1") = "6"
    & skf21("7","2","1","1","2","3","7","1") = "6"
    & skf21("7","2","1","1","2","4","1","1") = "6"
    & skf21("7","2","1","1","2","4","2","1") = "6"
    & skf21("7","2","1","1","2","4","3","1") = "6"
    & skf21("7","2","1","1","2","4","4","1") = "6"
    & skf21("7","2","1","1","2","4","5","1") = "6"
    & skf21("7","2","1","1","2","4","6","1") = "6"
    & skf21("7","2","1","1","2","4","7","1") = "6"
    & skf21("7","2","1","1","2","5","1","1") = "6"
    & skf21("7","2","1","1","2","5","2","1") = "6"
    & skf21("7","2","1","1","2","5","3","1") = "6"
    & skf21("7","2","1","1","2","5","4","1") = "6"
    & skf21("7","2","1","1","2","5","5","1") = "6"
    & skf21("7","2","1","1","2","5","6","1") = "6"
    & skf21("7","2","1","1","2","5","7","1") = "6"
    & skf21("7","2","1","1","2","6","1","1") = "6"
    & skf21("7","2","1","1","2","6","2","1") = "6"
    & skf21("7","2","1","1","2","6","3","1") = "6"
    & skf21("7","2","1","1","2","6","4","1") = "6"
    & skf21("7","2","1","1","2","6","5","1") = "6"
    & skf21("7","2","1","1","2","6","6","1") = "6"
    & skf21("7","2","1","1","2","6","7","1") = "6"
    & skf21("7","2","1","1","2","7","1","1") = "6"
    & skf21("7","2","1","1","2","7","2","1") = "6"
    & skf21("7","2","1","1","2","7","3","1") = "6"
    & skf21("7","2","1","1","2","7","4","1") = "6"
    & skf21("7","2","1","1","2","7","5","1") = "6"
    & skf21("7","2","1","1","2","7","6","1") = "6"
    & skf21("7","2","1","1","2","7","7","1") = "6"
    & skf21("7","2","1","1","3","1","1","1") = "6"
    & skf21("7","2","1","1","3","1","2","1") = "6"
    & skf21("7","2","1","1","3","1","3","1") = "6"
    & skf21("7","2","1","1","3","1","4","1") = "6"
    & skf21("7","2","1","1","3","1","5","1") = "6"
    & skf21("7","2","1","1","3","1","6","1") = "6"
    & skf21("7","2","1","1","3","1","7","1") = "6"
    & skf21("7","2","1","1","3","2","1","1") = "6"
    & skf21("7","2","1","1","3","2","2","1") = "6"
    & skf21("7","2","1","1","3","2","3","1") = "6"
    & skf21("7","2","1","1","3","2","4","1") = "6"
    & skf21("7","2","1","1","3","2","5","1") = "6"
    & skf21("7","2","1","1","3","2","6","1") = "6"
    & skf21("7","2","1","1","3","2","7","1") = "6"
    & skf21("7","2","1","1","3","3","1","1") = "6"
    & skf21("7","2","1","1","3","3","2","1") = "6"
    & skf21("7","2","1","1","3","3","3","1") = "6"
    & skf21("7","2","1","1","3","3","4","1") = "6"
    & skf21("7","2","1","1","3","3","5","1") = "6"
    & skf21("7","2","1","1","3","3","6","1") = "6"
    & skf21("7","2","1","1","3","3","7","1") = "6"
    & skf21("7","2","1","1","3","4","1","1") = "6"
    & skf21("7","2","1","1","3","4","2","1") = "6"
    & skf21("7","2","1","1","3","4","3","1") = "6"
    & skf21("7","2","1","1","3","4","4","1") = "6"
    & skf21("7","2","1","1","3","4","5","1") = "6"
    & skf21("7","2","1","1","3","4","6","1") = "6"
    & skf21("7","2","1","1","3","4","7","1") = "6"
    & skf21("7","2","1","1","3","5","1","1") = "6"
    & skf21("7","2","1","1","3","5","2","1") = "6"
    & skf21("7","2","1","1","3","5","3","1") = "6"
    & skf21("7","2","1","1","3","5","4","1") = "6"
    & skf21("7","2","1","1","3","5","5","1") = "6"
    & skf21("7","2","1","1","3","5","6","1") = "6"
    & skf21("7","2","1","1","3","5","7","1") = "6"
    & skf21("7","2","1","1","3","6","1","1") = "6"
    & skf21("7","2","1","1","3","6","2","1") = "6"
    & skf21("7","2","1","1","3","6","3","1") = "6"
    & skf21("7","2","1","1","3","6","4","1") = "6"
    & skf21("7","2","1","1","3","6","5","1") = "6"
    & skf21("7","2","1","1","3","6","6","1") = "6"
    & skf21("7","2","1","1","3","6","7","1") = "6"
    & skf21("7","2","1","1","3","7","1","1") = "6"
    & skf21("7","2","1","1","3","7","2","1") = "6"
    & skf21("7","2","1","1","3","7","3","1") = "6"
    & skf21("7","2","1","1","3","7","4","1") = "6"
    & skf21("7","2","1","1","3","7","5","1") = "6"
    & skf21("7","2","1","1","3","7","6","1") = "6"
    & skf21("7","2","1","1","3","7","7","1") = "6"
    & skf21("7","2","1","1","4","1","1","1") = "6"
    & skf21("7","2","1","1","4","1","2","1") = "6"
    & skf21("7","2","1","1","4","1","3","1") = "6"
    & skf21("7","2","1","1","4","1","4","1") = "6"
    & skf21("7","2","1","1","4","1","5","1") = "6"
    & skf21("7","2","1","1","4","1","6","1") = "6"
    & skf21("7","2","1","1","4","1","7","1") = "6"
    & skf21("7","2","1","1","4","2","1","1") = "6"
    & skf21("7","2","1","1","4","2","2","1") = "6"
    & skf21("7","2","1","1","4","2","3","1") = "6"
    & skf21("7","2","1","1","4","2","4","1") = "6"
    & skf21("7","2","1","1","4","2","5","1") = "6"
    & skf21("7","2","1","1","4","2","6","1") = "6"
    & skf21("7","2","1","1","4","2","7","1") = "6"
    & skf21("7","2","1","1","4","3","1","1") = "6"
    & skf21("7","2","1","1","4","3","2","1") = "6"
    & skf21("7","2","1","1","4","3","3","1") = "6"
    & skf21("7","2","1","1","4","3","4","1") = "6"
    & skf21("7","2","1","1","4","3","5","1") = "6"
    & skf21("7","2","1","1","4","3","6","1") = "6"
    & skf21("7","2","1","1","4","3","7","1") = "6"
    & skf21("7","2","1","1","4","4","1","1") = "6"
    & skf21("7","2","1","1","4","4","2","1") = "6"
    & skf21("7","2","1","1","4","4","3","1") = "6"
    & skf21("7","2","1","1","4","4","4","1") = "6"
    & skf21("7","2","1","1","4","4","5","1") = "6"
    & skf21("7","2","1","1","4","4","6","1") = "6"
    & skf21("7","2","1","1","4","4","7","1") = "6"
    & skf21("7","2","1","1","4","5","1","1") = "6"
    & skf21("7","2","1","1","4","5","2","1") = "6"
    & skf21("7","2","1","1","4","5","3","1") = "6"
    & skf21("7","2","1","1","4","5","4","1") = "6"
    & skf21("7","2","1","1","4","5","5","1") = "6"
    & skf21("7","2","1","1","4","5","6","1") = "6"
    & skf21("7","2","1","1","4","5","7","1") = "6"
    & skf21("7","2","1","1","4","6","1","1") = "6"
    & skf21("7","2","1","1","4","6","2","1") = "6"
    & skf21("7","2","1","1","4","6","3","1") = "6"
    & skf21("7","2","1","1","4","6","4","1") = "6"
    & skf21("7","2","1","1","4","6","5","1") = "6"
    & skf21("7","2","1","1","4","6","6","1") = "6"
    & skf21("7","2","1","1","4","6","7","1") = "6"
    & skf21("7","2","1","1","4","7","1","1") = "6"
    & skf21("7","2","1","1","4","7","2","1") = "6"
    & skf21("7","2","1","1","4","7","3","1") = "6"
    & skf21("7","2","1","1","4","7","4","1") = "6"
    & skf21("7","2","1","1","4","7","5","1") = "6"
    & skf21("7","2","1","1","4","7","6","1") = "6"
    & skf21("7","2","1","1","4","7","7","1") = "6"
    & skf21("7","2","1","1","5","1","1","1") = "6"
    & skf21("7","2","1","1","5","1","2","1") = "6"
    & skf21("7","2","1","1","5","1","3","1") = "6"
    & skf21("7","2","1","1","5","1","4","1") = "6"
    & skf21("7","2","1","1","5","1","5","1") = "6"
    & skf21("7","2","1","1","5","1","6","1") = "6"
    & skf21("7","2","1","1","5","1","7","1") = "6"
    & skf21("7","2","1","1","5","2","1","1") = "6"
    & skf21("7","2","1","1","5","2","2","1") = "6"
    & skf21("7","2","1","1","5","2","3","1") = "6"
    & skf21("7","2","1","1","5","2","4","1") = "6"
    & skf21("7","2","1","1","5","2","5","1") = "6"
    & skf21("7","2","1","1","5","2","6","1") = "6"
    & skf21("7","2","1","1","5","2","7","1") = "6"
    & skf21("7","2","1","1","5","3","1","1") = "6"
    & skf21("7","2","1","1","5","3","2","1") = "6"
    & skf21("7","2","1","1","5","3","3","1") = "6"
    & skf21("7","2","1","1","5","3","4","1") = "6"
    & skf21("7","2","1","1","5","3","5","1") = "6"
    & skf21("7","2","1","1","5","3","6","1") = "6"
    & skf21("7","2","1","1","5","3","7","1") = "6"
    & skf21("7","2","1","1","5","4","1","1") = "6"
    & skf21("7","2","1","1","5","4","2","1") = "6"
    & skf21("7","2","1","1","5","4","3","1") = "6"
    & skf21("7","2","1","1","5","4","4","1") = "6"
    & skf21("7","2","1","1","5","4","5","1") = "6"
    & skf21("7","2","1","1","5","4","6","1") = "6"
    & skf21("7","2","1","1","5","4","7","1") = "6"
    & skf21("7","2","1","1","5","5","1","1") = "6"
    & skf21("7","2","1","1","5","5","2","1") = "6"
    & skf21("7","2","1","1","5","5","3","1") = "6"
    & skf21("7","2","1","1","5","5","4","1") = "6"
    & skf21("7","2","1","1","5","5","5","1") = "6"
    & skf21("7","2","1","1","5","5","6","1") = "6"
    & skf21("7","2","1","1","5","5","7","1") = "6"
    & skf21("7","2","1","1","5","6","1","1") = "6"
    & skf21("7","2","1","1","5","6","2","1") = "6"
    & skf21("7","2","1","1","5","6","3","1") = "6"
    & skf21("7","2","1","1","5","6","4","1") = "6"
    & skf21("7","2","1","1","5","6","5","1") = "6"
    & skf21("7","2","1","1","5","6","6","1") = "6"
    & skf21("7","2","1","1","5","6","7","1") = "6"
    & skf21("7","2","1","1","5","7","1","1") = "6"
    & skf21("7","2","1","1","5","7","2","1") = "6"
    & skf21("7","2","1","1","5","7","3","1") = "6"
    & skf21("7","2","1","1","5","7","4","1") = "6"
    & skf21("7","2","1","1","5","7","5","1") = "6"
    & skf21("7","2","1","1","5","7","6","1") = "6"
    & skf21("7","2","1","1","5","7","7","1") = "6"
    & skf21("7","2","1","1","6","1","1","1") = "6"
    & skf21("7","2","1","1","6","1","2","1") = "6"
    & skf21("7","2","1","1","6","1","3","1") = "6"
    & skf21("7","2","1","1","6","1","4","1") = "6"
    & skf21("7","2","1","1","6","1","5","1") = "6"
    & skf21("7","2","1","1","6","1","6","1") = "6"
    & skf21("7","2","1","1","6","1","7","1") = "6"
    & skf21("7","2","1","1","6","2","1","1") = "6"
    & skf21("7","2","1","1","6","2","2","1") = "6"
    & skf21("7","2","1","1","6","2","3","1") = "6"
    & skf21("7","2","1","1","6","2","4","1") = "6"
    & skf21("7","2","1","1","6","2","5","1") = "6"
    & skf21("7","2","1","1","6","2","6","1") = "6"
    & skf21("7","2","1","1","6","2","7","1") = "6"
    & skf21("7","2","1","1","6","3","1","1") = "6"
    & skf21("7","2","1","1","6","3","2","1") = "6"
    & skf21("7","2","1","1","6","3","3","1") = "6"
    & skf21("7","2","1","1","6","3","4","1") = "6"
    & skf21("7","2","1","1","6","3","5","1") = "6"
    & skf21("7","2","1","1","6","3","6","1") = "6"
    & skf21("7","2","1","1","6","3","7","1") = "6"
    & skf21("7","2","1","1","6","4","1","1") = "6"
    & skf21("7","2","1","1","6","4","2","1") = "6"
    & skf21("7","2","1","1","6","4","3","1") = "6"
    & skf21("7","2","1","1","6","4","4","1") = "6"
    & skf21("7","2","1","1","6","4","5","1") = "6"
    & skf21("7","2","1","1","6","4","6","1") = "6"
    & skf21("7","2","1","1","6","4","7","1") = "6"
    & skf21("7","2","1","1","6","5","1","1") = "6"
    & skf21("7","2","1","1","6","5","2","1") = "6"
    & skf21("7","2","1","1","6","5","3","1") = "6"
    & skf21("7","2","1","1","6","5","4","1") = "6"
    & skf21("7","2","1","1","6","5","5","1") = "6"
    & skf21("7","2","1","1","6","5","6","1") = "6"
    & skf21("7","2","1","1","6","5","7","1") = "6"
    & skf21("7","2","1","1","6","6","1","1") = "6"
    & skf21("7","2","1","1","6","6","2","1") = "6"
    & skf21("7","2","1","1","6","6","3","1") = "6"
    & skf21("7","2","1","1","6","6","4","1") = "6"
    & skf21("7","2","1","1","6","6","5","1") = "6"
    & skf21("7","2","1","1","6","6","6","1") = "6"
    & skf21("7","2","1","1","6","6","7","1") = "6"
    & skf21("7","2","1","1","6","7","1","1") = "6"
    & skf21("7","2","1","1","6","7","2","1") = "6"
    & skf21("7","2","1","1","6","7","3","1") = "6"
    & skf21("7","2","1","1","6","7","4","1") = "6"
    & skf21("7","2","1","1","6","7","5","1") = "6"
    & skf21("7","2","1","1","6","7","6","1") = "6"
    & skf21("7","2","1","1","6","7","7","1") = "6"
    & skf21("7","2","1","1","7","1","1","1") = "6"
    & skf21("7","2","1","1","7","1","2","1") = "6"
    & skf21("7","2","1","1","7","1","3","1") = "6"
    & skf21("7","2","1","1","7","1","4","1") = "6"
    & skf21("7","2","1","1","7","1","5","1") = "6"
    & skf21("7","2","1","1","7","1","6","1") = "6"
    & skf21("7","2","1","1","7","1","7","1") = "6"
    & skf21("7","2","1","1","7","2","1","1") = "6"
    & skf21("7","2","1","1","7","2","2","1") = "6"
    & skf21("7","2","1","1","7","2","3","1") = "6"
    & skf21("7","2","1","1","7","2","4","1") = "6"
    & skf21("7","2","1","1","7","2","5","1") = "6"
    & skf21("7","2","1","1","7","2","6","1") = "6"
    & skf21("7","2","1","1","7","2","7","1") = "6"
    & skf21("7","2","1","1","7","3","1","1") = "6"
    & skf21("7","2","1","1","7","3","2","1") = "6"
    & skf21("7","2","1","1","7","3","3","1") = "6"
    & skf21("7","2","1","1","7","3","4","1") = "6"
    & skf21("7","2","1","1","7","3","5","1") = "6"
    & skf21("7","2","1","1","7","3","6","1") = "6"
    & skf21("7","2","1","1","7","3","7","1") = "6"
    & skf21("7","2","1","1","7","4","1","1") = "6"
    & skf21("7","2","1","1","7","4","2","1") = "6"
    & skf21("7","2","1","1","7","4","3","1") = "6"
    & skf21("7","2","1","1","7","4","4","1") = "6"
    & skf21("7","2","1","1","7","4","5","1") = "6"
    & skf21("7","2","1","1","7","4","6","1") = "6"
    & skf21("7","2","1","1","7","4","7","1") = "6"
    & skf21("7","2","1","1","7","5","1","1") = "6"
    & skf21("7","2","1","1","7","5","2","1") = "6"
    & skf21("7","2","1","1","7","5","3","1") = "6"
    & skf21("7","2","1","1","7","5","4","1") = "6"
    & skf21("7","2","1","1","7","5","5","1") = "6"
    & skf21("7","2","1","1","7","5","6","1") = "6"
    & skf21("7","2","1","1","7","5","7","1") = "6"
    & skf21("7","2","1","1","7","6","1","1") = "6"
    & skf21("7","2","1","1","7","6","2","1") = "6"
    & skf21("7","2","1","1","7","6","3","1") = "6"
    & skf21("7","2","1","1","7","6","4","1") = "6"
    & skf21("7","2","1","1","7","6","5","1") = "6"
    & skf21("7","2","1","1","7","6","6","1") = "6"
    & skf21("7","2","1","1","7","6","7","1") = "6"
    & skf21("7","2","1","1","7","7","1","1") = "6"
    & skf21("7","2","1","1","7","7","2","1") = "6"
    & skf21("7","2","1","1","7","7","3","1") = "6"
    & skf21("7","2","1","1","7","7","4","1") = "6"
    & skf21("7","2","1","1","7","7","5","1") = "6"
    & skf21("7","2","1","1","7","7","6","1") = "6"
    & skf21("7","2","1","1","7","7","7","1") = "6"
    & skf21("7","2","1","2","1","1","1","1") = "6"
    & skf21("7","2","1","2","1","1","2","1") = "6"
    & skf21("7","2","1","2","1","1","3","1") = "6"
    & skf21("7","2","1","2","1","1","4","1") = "6"
    & skf21("7","2","1","2","1","1","5","1") = "6"
    & skf21("7","2","1","2","1","1","6","1") = "6"
    & skf21("7","2","1","2","1","1","7","1") = "6"
    & skf21("7","2","1","2","1","2","1","1") = "6"
    & skf21("7","2","1","2","1","2","2","1") = "6"
    & skf21("7","2","1","2","1","2","3","1") = "6"
    & skf21("7","2","1","2","1","2","4","1") = "6"
    & skf21("7","2","1","2","1","2","5","1") = "6"
    & skf21("7","2","1","2","1","2","6","1") = "6"
    & skf21("7","2","1","2","1","2","7","1") = "6"
    & skf21("7","2","1","2","1","3","1","1") = "6"
    & skf21("7","2","1","2","1","3","2","1") = "6"
    & skf21("7","2","1","2","1","3","3","1") = "6"
    & skf21("7","2","1","2","1","3","4","1") = "6"
    & skf21("7","2","1","2","1","3","5","1") = "6"
    & skf21("7","2","1","2","1","3","6","1") = "6"
    & skf21("7","2","1","2","1","3","7","1") = "6"
    & skf21("7","2","1","2","1","4","1","1") = "6"
    & skf21("7","2","1","2","1","4","2","1") = "6"
    & skf21("7","2","1","2","1","4","3","1") = "6"
    & skf21("7","2","1","2","1","4","4","1") = "6"
    & skf21("7","2","1","2","1","4","5","1") = "6"
    & skf21("7","2","1","2","1","4","6","1") = "6"
    & skf21("7","2","1","2","1","4","7","1") = "6"
    & skf21("7","2","1","2","1","5","1","1") = "6"
    & skf21("7","2","1","2","1","5","2","1") = "6"
    & skf21("7","2","1","2","1","5","3","1") = "6"
    & skf21("7","2","1","2","1","5","4","1") = "6"
    & skf21("7","2","1","2","1","5","5","1") = "6"
    & skf21("7","2","1","2","1","5","6","1") = "6"
    & skf21("7","2","1","2","1","5","7","1") = "6"
    & skf21("7","2","1","2","1","6","1","1") = "6"
    & skf21("7","2","1","2","1","6","2","1") = "6"
    & skf21("7","2","1","2","1","6","3","1") = "6"
    & skf21("7","2","1","2","1","6","4","1") = "6"
    & skf21("7","2","1","2","1","6","5","1") = "6"
    & skf21("7","2","1","2","1","6","6","1") = "6"
    & skf21("7","2","1","2","1","6","7","1") = "6"
    & skf21("7","2","1","2","1","7","1","1") = "6"
    & skf21("7","2","1","2","1","7","2","1") = "6"
    & skf21("7","2","1","2","1","7","3","1") = "6"
    & skf21("7","2","1","2","1","7","4","1") = "6"
    & skf21("7","2","1","2","1","7","5","1") = "6"
    & skf21("7","2","1","2","1","7","6","1") = "6"
    & skf21("7","2","1","2","1","7","7","1") = "6"
    & skf21("7","2","1","2","2","1","1","1") = "6"
    & skf21("7","2","1","2","2","1","2","1") = "6"
    & skf21("7","2","1","2","2","1","3","1") = "6"
    & skf21("7","2","1","2","2","1","4","1") = "6"
    & skf21("7","2","1","2","2","1","5","1") = "6"
    & skf21("7","2","1","2","2","1","6","1") = "6"
    & skf21("7","2","1","2","2","1","7","1") = "6"
    & skf21("7","2","1","2","2","2","1","1") = "6"
    & skf21("7","2","1","2","2","2","2","1") = "6"
    & skf21("7","2","1","2","2","2","3","1") = "6"
    & skf21("7","2","1","2","2","2","4","1") = "6"
    & skf21("7","2","1","2","2","2","5","1") = "6"
    & skf21("7","2","1","2","2","2","6","1") = "6"
    & skf21("7","2","1","2","2","2","7","1") = "6"
    & skf21("7","2","1","2","2","3","1","1") = "6"
    & skf21("7","2","1","2","2","3","2","1") = "6"
    & skf21("7","2","1","2","2","3","3","1") = "6"
    & skf21("7","2","1","2","2","3","4","1") = "6"
    & skf21("7","2","1","2","2","3","5","1") = "6"
    & skf21("7","2","1","2","2","3","6","1") = "6"
    & skf21("7","2","1","2","2","3","7","1") = "6"
    & skf21("7","2","1","2","2","4","1","1") = "6"
    & skf21("7","2","1","2","2","4","2","1") = "6"
    & skf21("7","2","1","2","2","4","3","1") = "6"
    & skf21("7","2","1","2","2","4","4","1") = "6"
    & skf21("7","2","1","2","2","4","5","1") = "6"
    & skf21("7","2","1","2","2","4","6","1") = "6"
    & skf21("7","2","1","2","2","4","7","1") = "6"
    & skf21("7","2","1","2","2","5","1","1") = "6"
    & skf21("7","2","1","2","2","5","2","1") = "6"
    & skf21("7","2","1","2","2","5","3","1") = "6"
    & skf21("7","2","1","2","2","5","4","1") = "6"
    & skf21("7","2","1","2","2","5","5","1") = "6"
    & skf21("7","2","1","2","2","5","6","1") = "6"
    & skf21("7","2","1","2","2","5","7","1") = "6"
    & skf21("7","2","1","2","2","6","1","1") = "6"
    & skf21("7","2","1","2","2","6","2","1") = "6"
    & skf21("7","2","1","2","2","6","3","1") = "6"
    & skf21("7","2","1","2","2","6","4","1") = "6"
    & skf21("7","2","1","2","2","6","5","1") = "6"
    & skf21("7","2","1","2","2","6","6","1") = "6"
    & skf21("7","2","1","2","2","6","7","1") = "6"
    & skf21("7","2","1","2","2","7","1","1") = "6"
    & skf21("7","2","1","2","2","7","2","1") = "6"
    & skf21("7","2","1","2","2","7","3","1") = "6"
    & skf21("7","2","1","2","2","7","4","1") = "6"
    & skf21("7","2","1","2","2","7","5","1") = "6"
    & skf21("7","2","1","2","2","7","6","1") = "6"
    & skf21("7","2","1","2","2","7","7","1") = "6"
    & skf21("7","2","1","2","3","1","1","1") = "6"
    & skf21("7","2","1","2","3","1","2","1") = "6"
    & skf21("7","2","1","2","3","1","3","1") = "6"
    & skf21("7","2","1","2","3","1","4","1") = "6"
    & skf21("7","2","1","2","3","1","5","1") = "6"
    & skf21("7","2","1","2","3","1","6","1") = "6"
    & skf21("7","2","1","2","3","1","7","1") = "6"
    & skf21("7","2","1","2","3","2","1","1") = "6"
    & skf21("7","2","1","2","3","2","2","1") = "6"
    & skf21("7","2","1","2","3","2","3","1") = "6"
    & skf21("7","2","1","2","3","2","4","1") = "6"
    & skf21("7","2","1","2","3","2","5","1") = "6"
    & skf21("7","2","1","2","3","2","6","1") = "6"
    & skf21("7","2","1","2","3","2","7","1") = "6"
    & skf21("7","2","1","2","3","3","1","1") = "6"
    & skf21("7","2","1","2","3","3","2","1") = "6"
    & skf21("7","2","1","2","3","3","3","1") = "6"
    & skf21("7","2","1","2","3","3","4","1") = "6"
    & skf21("7","2","1","2","3","3","5","1") = "6"
    & skf21("7","2","1","2","3","3","6","1") = "6"
    & skf21("7","2","1","2","3","3","7","1") = "6"
    & skf21("7","2","1","2","3","4","1","1") = "6"
    & skf21("7","2","1","2","3","4","2","1") = "6"
    & skf21("7","2","1","2","3","4","3","1") = "6"
    & skf21("7","2","1","2","3","4","4","1") = "6"
    & skf21("7","2","1","2","3","4","5","1") = "6"
    & skf21("7","2","1","2","3","4","6","1") = "6"
    & skf21("7","2","1","2","3","4","7","1") = "6"
    & skf21("7","2","1","2","3","5","1","1") = "6"
    & skf21("7","2","1","2","3","5","2","1") = "6"
    & skf21("7","2","1","2","3","5","3","1") = "6"
    & skf21("7","2","1","2","3","5","4","1") = "6"
    & skf21("7","2","1","2","3","5","5","1") = "6"
    & skf21("7","2","1","2","3","5","6","1") = "6"
    & skf21("7","2","1","2","3","5","7","1") = "6"
    & skf21("7","2","1","2","3","6","1","1") = "6"
    & skf21("7","2","1","2","3","6","2","1") = "6"
    & skf21("7","2","1","2","3","6","3","1") = "6"
    & skf21("7","2","1","2","3","6","4","1") = "6"
    & skf21("7","2","1","2","3","6","5","1") = "6"
    & skf21("7","2","1","2","3","6","6","1") = "6"
    & skf21("7","2","1","2","3","6","7","1") = "6"
    & skf21("7","2","1","2","3","7","1","1") = "6"
    & skf21("7","2","1","2","3","7","2","1") = "6"
    & skf21("7","2","1","2","3","7","3","1") = "6"
    & skf21("7","2","1","2","3","7","4","1") = "6"
    & skf21("7","2","1","2","3","7","5","1") = "6"
    & skf21("7","2","1","2","3","7","6","1") = "6"
    & skf21("7","2","1","2","3","7","7","1") = "6"
    & skf21("7","2","1","2","4","1","1","1") = "6"
    & skf21("7","2","1","2","4","1","2","1") = "6"
    & skf21("7","2","1","2","4","1","3","1") = "6"
    & skf21("7","2","1","2","4","1","4","1") = "6"
    & skf21("7","2","1","2","4","1","5","1") = "6"
    & skf21("7","2","1","2","4","1","6","1") = "6"
    & skf21("7","2","1","2","4","1","7","1") = "6"
    & skf21("7","2","1","2","4","2","1","1") = "6"
    & skf21("7","2","1","2","4","2","2","1") = "6"
    & skf21("7","2","1","2","4","2","3","1") = "6"
    & skf21("7","2","1","2","4","2","4","1") = "6"
    & skf21("7","2","1","2","4","2","5","1") = "6"
    & skf21("7","2","1","2","4","2","6","1") = "6"
    & skf21("7","2","1","2","4","2","7","1") = "6"
    & skf21("7","2","1","2","4","3","1","1") = "6"
    & skf21("7","2","1","2","4","3","2","1") = "6"
    & skf21("7","2","1","2","4","3","3","1") = "6"
    & skf21("7","2","1","2","4","3","4","1") = "6"
    & skf21("7","2","1","2","4","3","5","1") = "6"
    & skf21("7","2","1","2","4","3","6","1") = "6"
    & skf21("7","2","1","2","4","3","7","1") = "6"
    & skf21("7","2","1","2","4","4","1","1") = "6"
    & skf21("7","2","1","2","4","4","2","1") = "6"
    & skf21("7","2","1","2","4","4","3","1") = "6"
    & skf21("7","2","1","2","4","4","4","1") = "6"
    & skf21("7","2","1","2","4","4","5","1") = "6"
    & skf21("7","2","1","2","4","4","6","1") = "6"
    & skf21("7","2","1","2","4","4","7","1") = "6"
    & skf21("7","2","1","2","4","5","1","1") = "6"
    & skf21("7","2","1","2","4","5","2","1") = "6"
    & skf21("7","2","1","2","4","5","3","1") = "6"
    & skf21("7","2","1","2","4","5","4","1") = "6"
    & skf21("7","2","1","2","4","5","5","1") = "6"
    & skf21("7","2","1","2","4","5","6","1") = "6"
    & skf21("7","2","1","2","4","5","7","1") = "6"
    & skf21("7","2","1","2","4","6","1","1") = "6"
    & skf21("7","2","1","2","4","6","2","1") = "6"
    & skf21("7","2","1","2","4","6","3","1") = "6"
    & skf21("7","2","1","2","4","6","4","1") = "6"
    & skf21("7","2","1","2","4","6","5","1") = "6"
    & skf21("7","2","1","2","4","6","6","1") = "6"
    & skf21("7","2","1","2","4","6","7","1") = "6"
    & skf21("7","2","1","2","4","7","1","1") = "6"
    & skf21("7","2","1","2","4","7","2","1") = "6"
    & skf21("7","2","1","2","4","7","3","1") = "6"
    & skf21("7","2","1","2","4","7","4","1") = "6"
    & skf21("7","2","1","2","4","7","5","1") = "6"
    & skf21("7","2","1","2","4","7","6","1") = "6"
    & skf21("7","2","1","2","4","7","7","1") = "6"
    & skf21("7","2","1","2","5","1","1","1") = "6"
    & skf21("7","2","1","2","5","1","2","1") = "6"
    & skf21("7","2","1","2","5","1","3","1") = "6"
    & skf21("7","2","1","2","5","1","4","1") = "6"
    & skf21("7","2","1","2","5","1","5","1") = "6"
    & skf21("7","2","1","2","5","1","6","1") = "6"
    & skf21("7","2","1","2","5","1","7","1") = "6"
    & skf21("7","2","1","2","5","2","1","1") = "6"
    & skf21("7","2","1","2","5","2","2","1") = "6"
    & skf21("7","2","1","2","5","2","3","1") = "6"
    & skf21("7","2","1","2","5","2","4","1") = "6"
    & skf21("7","2","1","2","5","2","5","1") = "6"
    & skf21("7","2","1","2","5","2","6","1") = "6"
    & skf21("7","2","1","2","5","2","7","1") = "6"
    & skf21("7","2","1","2","5","3","1","1") = "6"
    & skf21("7","2","1","2","5","3","2","1") = "6"
    & skf21("7","2","1","2","5","3","3","1") = "6"
    & skf21("7","2","1","2","5","3","4","1") = "6"
    & skf21("7","2","1","2","5","3","5","1") = "6"
    & skf21("7","2","1","2","5","3","6","1") = "6"
    & skf21("7","2","1","2","5","3","7","1") = "6"
    & skf21("7","2","1","2","5","4","1","1") = "6"
    & skf21("7","2","1","2","5","4","2","1") = "6"
    & skf21("7","2","1","2","5","4","3","1") = "6"
    & skf21("7","2","1","2","5","4","4","1") = "6"
    & skf21("7","2","1","2","5","4","5","1") = "6"
    & skf21("7","2","1","2","5","4","6","1") = "6"
    & skf21("7","2","1","2","5","4","7","1") = "6"
    & skf21("7","2","1","2","5","5","1","1") = "6"
    & skf21("7","2","1","2","5","5","2","1") = "6"
    & skf21("7","2","1","2","5","5","3","1") = "6"
    & skf21("7","2","1","2","5","5","4","1") = "6"
    & skf21("7","2","1","2","5","5","5","1") = "6"
    & skf21("7","2","1","2","5","5","6","1") = "6"
    & skf21("7","2","1","2","5","5","7","1") = "6"
    & skf21("7","2","1","2","5","6","1","1") = "6"
    & skf21("7","2","1","2","5","6","2","1") = "6"
    & skf21("7","2","1","2","5","6","3","1") = "6"
    & skf21("7","2","1","2","5","6","4","1") = "6"
    & skf21("7","2","1","2","5","6","5","1") = "6"
    & skf21("7","2","1","2","5","6","6","1") = "6"
    & skf21("7","2","1","2","5","6","7","1") = "6"
    & skf21("7","2","1","2","5","7","1","1") = "6"
    & skf21("7","2","1","2","5","7","2","1") = "6"
    & skf21("7","2","1","2","5","7","3","1") = "6"
    & skf21("7","2","1","2","5","7","4","1") = "6"
    & skf21("7","2","1","2","5","7","5","1") = "6"
    & skf21("7","2","1","2","5","7","6","1") = "6"
    & skf21("7","2","1","2","5","7","7","1") = "6"
    & skf21("7","2","1","2","6","1","1","1") = "6"
    & skf21("7","2","1","2","6","1","2","1") = "6"
    & skf21("7","2","1","2","6","1","3","1") = "6"
    & skf21("7","2","1","2","6","1","4","1") = "6"
    & skf21("7","2","1","2","6","1","5","1") = "6"
    & skf21("7","2","1","2","6","1","6","1") = "6"
    & skf21("7","2","1","2","6","1","7","1") = "6"
    & skf21("7","2","1","2","6","2","1","1") = "6"
    & skf21("7","2","1","2","6","2","2","1") = "6"
    & skf21("7","2","1","2","6","2","3","1") = "6"
    & skf21("7","2","1","2","6","2","4","1") = "6"
    & skf21("7","2","1","2","6","2","5","1") = "6"
    & skf21("7","2","1","2","6","2","6","1") = "6"
    & skf21("7","2","1","2","6","2","7","1") = "6"
    & skf21("7","2","1","2","6","3","1","1") = "6"
    & skf21("7","2","1","2","6","3","2","1") = "6"
    & skf21("7","2","1","2","6","3","3","1") = "6"
    & skf21("7","2","1","2","6","3","4","1") = "6"
    & skf21("7","2","1","2","6","3","5","1") = "6"
    & skf21("7","2","1","2","6","3","6","1") = "6"
    & skf21("7","2","1","2","6","3","7","1") = "6"
    & skf21("7","2","1","2","6","4","1","1") = "6"
    & skf21("7","2","1","2","6","4","2","1") = "6"
    & skf21("7","2","1","2","6","4","3","1") = "6"
    & skf21("7","2","1","2","6","4","4","1") = "6"
    & skf21("7","2","1","2","6","4","5","1") = "6"
    & skf21("7","2","1","2","6","4","6","1") = "6"
    & skf21("7","2","1","2","6","4","7","1") = "6"
    & skf21("7","2","1","2","6","5","1","1") = "6"
    & skf21("7","2","1","2","6","5","2","1") = "6"
    & skf21("7","2","1","2","6","5","3","1") = "6"
    & skf21("7","2","1","2","6","5","4","1") = "6"
    & skf21("7","2","1","2","6","5","5","1") = "6"
    & skf21("7","2","1","2","6","5","6","1") = "6"
    & skf21("7","2","1","2","6","5","7","1") = "6"
    & skf21("7","2","1","2","6","6","1","1") = "6"
    & skf21("7","2","1","2","6","6","2","1") = "6"
    & skf21("7","2","1","2","6","6","3","1") = "6"
    & skf21("7","2","1","2","6","6","4","1") = "6"
    & skf21("7","2","1","2","6","6","5","1") = "6"
    & skf21("7","2","1","2","6","6","6","1") = "6"
    & skf21("7","2","1","2","6","6","7","1") = "6"
    & skf21("7","2","1","2","6","7","1","1") = "6"
    & skf21("7","2","1","2","6","7","2","1") = "6"
    & skf21("7","2","1","2","6","7","3","1") = "6"
    & skf21("7","2","1","2","6","7","4","1") = "6"
    & skf21("7","2","1","2","6","7","5","1") = "6"
    & skf21("7","2","1","2","6","7","6","1") = "6"
    & skf21("7","2","1","2","6","7","7","1") = "6"
    & skf21("7","2","1","2","7","1","1","1") = "6"
    & skf21("7","2","1","2","7","1","2","1") = "6"
    & skf21("7","2","1","2","7","1","3","1") = "6"
    & skf21("7","2","1","2","7","1","4","1") = "6"
    & skf21("7","2","1","2","7","1","5","1") = "6"
    & skf21("7","2","1","2","7","1","6","1") = "6"
    & skf21("7","2","1","2","7","1","7","1") = "6"
    & skf21("7","2","1","2","7","2","1","1") = "6"
    & skf21("7","2","1","2","7","2","2","1") = "6"
    & skf21("7","2","1","2","7","2","3","1") = "6"
    & skf21("7","2","1","2","7","2","4","1") = "6"
    & skf21("7","2","1","2","7","2","5","1") = "6"
    & skf21("7","2","1","2","7","2","6","1") = "6"
    & skf21("7","2","1","2","7","2","7","1") = "6"
    & skf21("7","2","1","2","7","3","1","1") = "6"
    & skf21("7","2","1","2","7","3","2","1") = "6"
    & skf21("7","2","1","2","7","3","3","1") = "6"
    & skf21("7","2","1","2","7","3","4","1") = "6"
    & skf21("7","2","1","2","7","3","5","1") = "6"
    & skf21("7","2","1","2","7","3","6","1") = "6"
    & skf21("7","2","1","2","7","3","7","1") = "6"
    & skf21("7","2","1","2","7","4","1","1") = "6"
    & skf21("7","2","1","2","7","4","2","1") = "6"
    & skf21("7","2","1","2","7","4","3","1") = "6"
    & skf21("7","2","1","2","7","4","4","1") = "6"
    & skf21("7","2","1","2","7","4","5","1") = "6"
    & skf21("7","2","1","2","7","4","6","1") = "6"
    & skf21("7","2","1","2","7","4","7","1") = "6"
    & skf21("7","2","1","2","7","5","1","1") = "6"
    & skf21("7","2","1","2","7","5","2","1") = "6"
    & skf21("7","2","1","2","7","5","3","1") = "6"
    & skf21("7","2","1","2","7","5","4","1") = "6"
    & skf21("7","2","1","2","7","5","5","1") = "6"
    & skf21("7","2","1","2","7","5","6","1") = "6"
    & skf21("7","2","1","2","7","5","7","1") = "6"
    & skf21("7","2","1","2","7","6","1","1") = "6"
    & skf21("7","2","1","2","7","6","2","1") = "6"
    & skf21("7","2","1","2","7","6","3","1") = "6"
    & skf21("7","2","1","2","7","6","4","1") = "6"
    & skf21("7","2","1","2","7","6","5","1") = "6"
    & skf21("7","2","1","2","7","6","6","1") = "6"
    & skf21("7","2","1","2","7","6","7","1") = "6"
    & skf21("7","2","1","2","7","7","1","1") = "6"
    & skf21("7","2","1","2","7","7","2","1") = "6"
    & skf21("7","2","1","2","7","7","3","1") = "6"
    & skf21("7","2","1","2","7","7","4","1") = "6"
    & skf21("7","2","1","2","7","7","5","1") = "6"
    & skf21("7","2","1","2","7","7","6","1") = "6"
    & skf21("7","2","1","2","7","7","7","1") = "6"
    & skf21("7","2","1","3","1","1","1","1") = "6"
    & skf21("7","2","1","3","1","1","2","1") = "6"
    & skf21("7","2","1","3","1","1","3","1") = "6"
    & skf21("7","2","1","3","1","1","4","1") = "6"
    & skf21("7","2","1","3","1","1","5","1") = "6"
    & skf21("7","2","1","3","1","1","6","1") = "6"
    & skf21("7","2","1","3","1","1","7","1") = "6"
    & skf21("7","2","1","3","1","2","1","1") = "6"
    & skf21("7","2","1","3","1","2","2","1") = "6"
    & skf21("7","2","1","3","1","2","3","1") = "6"
    & skf21("7","2","1","3","1","2","4","1") = "6"
    & skf21("7","2","1","3","1","2","5","1") = "6"
    & skf21("7","2","1","3","1","2","6","1") = "6"
    & skf21("7","2","1","3","1","2","7","1") = "6"
    & skf21("7","2","1","3","1","3","1","1") = "6"
    & skf21("7","2","1","3","1","3","2","1") = "6"
    & skf21("7","2","1","3","1","3","3","1") = "6"
    & skf21("7","2","1","3","1","3","4","1") = "6"
    & skf21("7","2","1","3","1","3","5","1") = "6"
    & skf21("7","2","1","3","1","3","6","1") = "6"
    & skf21("7","2","1","3","1","3","7","1") = "6"
    & skf21("7","2","1","3","1","4","1","1") = "6"
    & skf21("7","2","1","3","1","4","2","1") = "6"
    & skf21("7","2","1","3","1","4","3","1") = "6"
    & skf21("7","2","1","3","1","4","4","1") = "6"
    & skf21("7","2","1","3","1","4","5","1") = "6"
    & skf21("7","2","1","3","1","4","6","1") = "6"
    & skf21("7","2","1","3","1","4","7","1") = "6"
    & skf21("7","2","1","3","1","5","1","1") = "6"
    & skf21("7","2","1","3","1","5","2","1") = "6"
    & skf21("7","2","1","3","1","5","3","1") = "6"
    & skf21("7","2","1","3","1","5","4","1") = "6"
    & skf21("7","2","1","3","1","5","5","1") = "6"
    & skf21("7","2","1","3","1","5","6","1") = "6"
    & skf21("7","2","1","3","1","5","7","1") = "6"
    & skf21("7","2","1","3","1","6","1","1") = "6"
    & skf21("7","2","1","3","1","6","2","1") = "6"
    & skf21("7","2","1","3","1","6","3","1") = "6"
    & skf21("7","2","1","3","1","6","4","1") = "6"
    & skf21("7","2","1","3","1","6","5","1") = "6"
    & skf21("7","2","1","3","1","6","6","1") = "6"
    & skf21("7","2","1","3","1","6","7","1") = "6"
    & skf21("7","2","1","3","1","7","1","1") = "6"
    & skf21("7","2","1","3","1","7","2","1") = "6"
    & skf21("7","2","1","3","1","7","3","1") = "6"
    & skf21("7","2","1","3","1","7","4","1") = "6"
    & skf21("7","2","1","3","1","7","5","1") = "6"
    & skf21("7","2","1","3","1","7","6","1") = "6"
    & skf21("7","2","1","3","1","7","7","1") = "6"
    & skf21("7","2","1","3","2","1","1","1") = "6"
    & skf21("7","2","1","3","2","1","2","1") = "6"
    & skf21("7","2","1","3","2","1","3","1") = "6"
    & skf21("7","2","1","3","2","1","4","1") = "6"
    & skf21("7","2","1","3","2","1","5","1") = "6"
    & skf21("7","2","1","3","2","1","6","1") = "6"
    & skf21("7","2","1","3","2","1","7","1") = "6"
    & skf21("7","2","1","3","2","2","1","1") = "6"
    & skf21("7","2","1","3","2","2","2","1") = "6"
    & skf21("7","2","1","3","2","2","3","1") = "6"
    & skf21("7","2","1","3","2","2","4","1") = "6"
    & skf21("7","2","1","3","2","2","5","1") = "6"
    & skf21("7","2","1","3","2","2","6","1") = "6"
    & skf21("7","2","1","3","2","2","7","1") = "6"
    & skf21("7","2","1","3","2","3","1","1") = "6"
    & skf21("7","2","1","3","2","3","2","1") = "6"
    & skf21("7","2","1","3","2","3","3","1") = "6"
    & skf21("7","2","1","3","2","3","4","1") = "6"
    & skf21("7","2","1","3","2","3","5","1") = "6"
    & skf21("7","2","1","3","2","3","6","1") = "6"
    & skf21("7","2","1","3","2","3","7","1") = "6"
    & skf21("7","2","1","3","2","4","1","1") = "6"
    & skf21("7","2","1","3","2","4","2","1") = "6"
    & skf21("7","2","1","3","2","4","3","1") = "6"
    & skf21("7","2","1","3","2","4","4","1") = "6"
    & skf21("7","2","1","3","2","4","5","1") = "6"
    & skf21("7","2","1","3","2","4","6","1") = "6"
    & skf21("7","2","1","3","2","4","7","1") = "6"
    & skf21("7","2","1","3","2","5","1","1") = "6"
    & skf21("7","2","1","3","2","5","2","1") = "6"
    & skf21("7","2","1","3","2","5","3","1") = "6"
    & skf21("7","2","1","3","2","5","4","1") = "6"
    & skf21("7","2","1","3","2","5","5","1") = "6"
    & skf21("7","2","1","3","2","5","6","1") = "6"
    & skf21("7","2","1","3","2","5","7","1") = "6"
    & skf21("7","2","1","3","2","6","1","1") = "6"
    & skf21("7","2","1","3","2","6","2","1") = "6"
    & skf21("7","2","1","3","2","6","3","1") = "6"
    & skf21("7","2","1","3","2","6","4","1") = "6"
    & skf21("7","2","1","3","2","6","5","1") = "6"
    & skf21("7","2","1","3","2","6","6","1") = "6"
    & skf21("7","2","1","3","2","6","7","1") = "6"
    & skf21("7","2","1","3","2","7","1","1") = "6"
    & skf21("7","2","1","3","2","7","2","1") = "6"
    & skf21("7","2","1","3","2","7","3","1") = "6"
    & skf21("7","2","1","3","2","7","4","1") = "6"
    & skf21("7","2","1","3","2","7","5","1") = "6"
    & skf21("7","2","1","3","2","7","6","1") = "6"
    & skf21("7","2","1","3","2","7","7","1") = "6"
    & skf21("7","2","1","3","3","1","1","1") = "6"
    & skf21("7","2","1","3","3","1","2","1") = "6"
    & skf21("7","2","1","3","3","1","3","1") = "6"
    & skf21("7","2","1","3","3","1","4","1") = "6"
    & skf21("7","2","1","3","3","1","5","1") = "6"
    & skf21("7","2","1","3","3","1","6","1") = "6"
    & skf21("7","2","1","3","3","1","7","1") = "6"
    & skf21("7","2","1","3","3","2","1","1") = "6"
    & skf21("7","2","1","3","3","2","2","1") = "6"
    & skf21("7","2","1","3","3","2","3","1") = "6"
    & skf21("7","2","1","3","3","2","4","1") = "6"
    & skf21("7","2","1","3","3","2","5","1") = "6"
    & skf21("7","2","1","3","3","2","6","1") = "6"
    & skf21("7","2","1","3","3","2","7","1") = "6"
    & skf21("7","2","1","3","3","3","1","1") = "6"
    & skf21("7","2","1","3","3","3","2","1") = "6"
    & skf21("7","2","1","3","3","3","3","1") = "6"
    & skf21("7","2","1","3","3","3","4","1") = "6"
    & skf21("7","2","1","3","3","3","5","1") = "6"
    & skf21("7","2","1","3","3","3","6","1") = "6"
    & skf21("7","2","1","3","3","3","7","1") = "6"
    & skf21("7","2","1","3","3","4","1","1") = "6"
    & skf21("7","2","1","3","3","4","2","1") = "6"
    & skf21("7","2","1","3","3","4","3","1") = "6"
    & skf21("7","2","1","3","3","4","4","1") = "6"
    & skf21("7","2","1","3","3","4","5","1") = "6"
    & skf21("7","2","1","3","3","4","6","1") = "6"
    & skf21("7","2","1","3","3","4","7","1") = "6"
    & skf21("7","2","1","3","3","5","1","1") = "6"
    & skf21("7","2","1","3","3","5","2","1") = "6"
    & skf21("7","2","1","3","3","5","3","1") = "6"
    & skf21("7","2","1","3","3","5","4","1") = "6"
    & skf21("7","2","1","3","3","5","5","1") = "6"
    & skf21("7","2","1","3","3","5","6","1") = "6"
    & skf21("7","2","1","3","3","5","7","1") = "6"
    & skf21("7","2","1","3","3","6","1","1") = "6"
    & skf21("7","2","1","3","3","6","2","1") = "6"
    & skf21("7","2","1","3","3","6","3","1") = "6"
    & skf21("7","2","1","3","3","6","4","1") = "6"
    & skf21("7","2","1","3","3","6","5","1") = "6"
    & skf21("7","2","1","3","3","6","6","1") = "6"
    & skf21("7","2","1","3","3","6","7","1") = "6"
    & skf21("7","2","1","3","3","7","1","1") = "6"
    & skf21("7","2","1","3","3","7","2","1") = "6"
    & skf21("7","2","1","3","3","7","3","1") = "6"
    & skf21("7","2","1","3","3","7","4","1") = "6"
    & skf21("7","2","1","3","3","7","5","1") = "6"
    & skf21("7","2","1","3","3","7","6","1") = "6"
    & skf21("7","2","1","3","3","7","7","1") = "6"
    & skf21("7","2","1","3","4","1","1","1") = "6"
    & skf21("7","2","1","3","4","1","2","1") = "6"
    & skf21("7","2","1","3","4","1","3","1") = "6"
    & skf21("7","2","1","3","4","1","4","1") = "6"
    & skf21("7","2","1","3","4","1","5","1") = "6"
    & skf21("7","2","1","3","4","1","6","1") = "6"
    & skf21("7","2","1","3","4","1","7","1") = "6"
    & skf21("7","2","1","3","4","2","1","1") = "6"
    & skf21("7","2","1","3","4","2","2","1") = "6"
    & skf21("7","2","1","3","4","2","3","1") = "6"
    & skf21("7","2","1","3","4","2","4","1") = "6"
    & skf21("7","2","1","3","4","2","5","1") = "6"
    & skf21("7","2","1","3","4","2","6","1") = "6"
    & skf21("7","2","1","3","4","2","7","1") = "6"
    & skf21("7","2","1","3","4","3","1","1") = "6"
    & skf21("7","2","1","3","4","3","2","1") = "6"
    & skf21("7","2","1","3","4","3","3","1") = "6"
    & skf21("7","2","1","3","4","3","4","1") = "6"
    & skf21("7","2","1","3","4","3","5","1") = "6"
    & skf21("7","2","1","3","4","3","6","1") = "6"
    & skf21("7","2","1","3","4","3","7","1") = "6"
    & skf21("7","2","1","3","4","4","1","1") = "6"
    & skf21("7","2","1","3","4","4","2","1") = "6"
    & skf21("7","2","1","3","4","4","3","1") = "6"
    & skf21("7","2","1","3","4","4","4","1") = "6"
    & skf21("7","2","1","3","4","4","5","1") = "6"
    & skf21("7","2","1","3","4","4","6","1") = "6"
    & skf21("7","2","1","3","4","4","7","1") = "6"
    & skf21("7","2","1","3","4","5","1","1") = "6"
    & skf21("7","2","1","3","4","5","2","1") = "6"
    & skf21("7","2","1","3","4","5","3","1") = "6"
    & skf21("7","2","1","3","4","5","4","1") = "6"
    & skf21("7","2","1","3","4","5","5","1") = "6"
    & skf21("7","2","1","3","4","5","6","1") = "6"
    & skf21("7","2","1","3","4","5","7","1") = "6"
    & skf21("7","2","1","3","4","6","1","1") = "6"
    & skf21("7","2","1","3","4","6","2","1") = "6"
    & skf21("7","2","1","3","4","6","3","1") = "6"
    & skf21("7","2","1","3","4","6","4","1") = "6"
    & skf21("7","2","1","3","4","6","5","1") = "6"
    & skf21("7","2","1","3","4","6","6","1") = "6"
    & skf21("7","2","1","3","4","6","7","1") = "6"
    & skf21("7","2","1","3","4","7","1","1") = "6"
    & skf21("7","2","1","3","4","7","2","1") = "6"
    & skf21("7","2","1","3","4","7","3","1") = "6"
    & skf21("7","2","1","3","4","7","4","1") = "6"
    & skf21("7","2","1","3","4","7","5","1") = "6"
    & skf21("7","2","1","3","4","7","6","1") = "6"
    & skf21("7","2","1","3","4","7","7","1") = "6"
    & skf21("7","2","1","3","5","1","1","1") = "6"
    & skf21("7","2","1","3","5","1","2","1") = "6"
    & skf21("7","2","1","3","5","1","3","1") = "6"
    & skf21("7","2","1","3","5","1","4","1") = "6"
    & skf21("7","2","1","3","5","1","5","1") = "6"
    & skf21("7","2","1","3","5","1","6","1") = "6"
    & skf21("7","2","1","3","5","1","7","1") = "6"
    & skf21("7","2","1","3","5","2","1","1") = "6"
    & skf21("7","2","1","3","5","2","2","1") = "6"
    & skf21("7","2","1","3","5","2","3","1") = "6"
    & skf21("7","2","1","3","5","2","4","1") = "6"
    & skf21("7","2","1","3","5","2","5","1") = "6"
    & skf21("7","2","1","3","5","2","6","1") = "6"
    & skf21("7","2","1","3","5","2","7","1") = "6"
    & skf21("7","2","1","3","5","3","1","1") = "6"
    & skf21("7","2","1","3","5","3","2","1") = "6"
    & skf21("7","2","1","3","5","3","3","1") = "6"
    & skf21("7","2","1","3","5","3","4","1") = "6"
    & skf21("7","2","1","3","5","3","5","1") = "6"
    & skf21("7","2","1","3","5","3","6","1") = "6"
    & skf21("7","2","1","3","5","3","7","1") = "6"
    & skf21("7","2","1","3","5","4","1","1") = "6"
    & skf21("7","2","1","3","5","4","2","1") = "6"
    & skf21("7","2","1","3","5","4","3","1") = "6"
    & skf21("7","2","1","3","5","4","4","1") = "6"
    & skf21("7","2","1","3","5","4","5","1") = "6"
    & skf21("7","2","1","3","5","4","6","1") = "6"
    & skf21("7","2","1","3","5","4","7","1") = "6"
    & skf21("7","2","1","3","5","5","1","1") = "6"
    & skf21("7","2","1","3","5","5","2","1") = "6"
    & skf21("7","2","1","3","5","5","3","1") = "6"
    & skf21("7","2","1","3","5","5","4","1") = "6"
    & skf21("7","2","1","3","5","5","5","1") = "6"
    & skf21("7","2","1","3","5","5","6","1") = "6"
    & skf21("7","2","1","3","5","5","7","1") = "6"
    & skf21("7","2","1","3","5","6","1","1") = "6"
    & skf21("7","2","1","3","5","6","2","1") = "6"
    & skf21("7","2","1","3","5","6","3","1") = "6"
    & skf21("7","2","1","3","5","6","4","1") = "6"
    & skf21("7","2","1","3","5","6","5","1") = "6"
    & skf21("7","2","1","3","5","6","6","1") = "6"
    & skf21("7","2","1","3","5","6","7","1") = "6"
    & skf21("7","2","1","3","5","7","1","1") = "6"
    & skf21("7","2","1","3","5","7","2","1") = "6"
    & skf21("7","2","1","3","5","7","3","1") = "6"
    & skf21("7","2","1","3","5","7","4","1") = "6"
    & skf21("7","2","1","3","5","7","5","1") = "6"
    & skf21("7","2","1","3","5","7","6","1") = "6"
    & skf21("7","2","1","3","5","7","7","1") = "6"
    & skf21("7","2","1","3","6","1","1","1") = "6"
    & skf21("7","2","1","3","6","1","2","1") = "6"
    & skf21("7","2","1","3","6","1","3","1") = "6"
    & skf21("7","2","1","3","6","1","4","1") = "6"
    & skf21("7","2","1","3","6","1","5","1") = "6"
    & skf21("7","2","1","3","6","1","6","1") = "6"
    & skf21("7","2","1","3","6","1","7","1") = "6"
    & skf21("7","2","1","3","6","2","1","1") = "6"
    & skf21("7","2","1","3","6","2","2","1") = "6"
    & skf21("7","2","1","3","6","2","3","1") = "6"
    & skf21("7","2","1","3","6","2","4","1") = "6"
    & skf21("7","2","1","3","6","2","5","1") = "6"
    & skf21("7","2","1","3","6","2","6","1") = "6"
    & skf21("7","2","1","3","6","2","7","1") = "6"
    & skf21("7","2","1","3","6","3","1","1") = "6"
    & skf21("7","2","1","3","6","3","2","1") = "6"
    & skf21("7","2","1","3","6","3","3","1") = "6"
    & skf21("7","2","1","3","6","3","4","1") = "6"
    & skf21("7","2","1","3","6","3","5","1") = "6"
    & skf21("7","2","1","3","6","3","6","1") = "6"
    & skf21("7","2","1","3","6","3","7","1") = "6"
    & skf21("7","2","1","3","6","4","1","1") = "6"
    & skf21("7","2","1","3","6","4","2","1") = "6"
    & skf21("7","2","1","3","6","4","3","1") = "6"
    & skf21("7","2","1","3","6","4","4","1") = "6"
    & skf21("7","2","1","3","6","4","5","1") = "6"
    & skf21("7","2","1","3","6","4","6","1") = "6"
    & skf21("7","2","1","3","6","4","7","1") = "6"
    & skf21("7","2","1","3","6","5","1","1") = "6"
    & skf21("7","2","1","3","6","5","2","1") = "6"
    & skf21("7","2","1","3","6","5","3","1") = "6"
    & skf21("7","2","1","3","6","5","4","1") = "6"
    & skf21("7","2","1","3","6","5","5","1") = "6"
    & skf21("7","2","1","3","6","5","6","1") = "6"
    & skf21("7","2","1","3","6","5","7","1") = "6"
    & skf21("7","2","1","3","6","6","1","1") = "6"
    & skf21("7","2","1","3","6","6","2","1") = "6"
    & skf21("7","2","1","3","6","6","3","1") = "6"
    & skf21("7","2","1","3","6","6","4","1") = "6"
    & skf21("7","2","1","3","6","6","5","1") = "6"
    & skf21("7","2","1","3","6","6","6","1") = "6"
    & skf21("7","2","1","3","6","6","7","1") = "6"
    & skf21("7","2","1","3","6","7","1","1") = "6"
    & skf21("7","2","1","3","6","7","2","1") = "6"
    & skf21("7","2","1","3","6","7","3","1") = "6"
    & skf21("7","2","1","3","6","7","4","1") = "6"
    & skf21("7","2","1","3","6","7","5","1") = "6"
    & skf21("7","2","1","3","6","7","6","1") = "6"
    & skf21("7","2","1","3","6","7","7","1") = "6"
    & skf21("7","2","1","3","7","1","1","1") = "6"
    & skf21("7","2","1","3","7","1","2","1") = "6"
    & skf21("7","2","1","3","7","1","3","1") = "6"
    & skf21("7","2","1","3","7","1","4","1") = "6"
    & skf21("7","2","1","3","7","1","5","1") = "6"
    & skf21("7","2","1","3","7","1","6","1") = "6"
    & skf21("7","2","1","3","7","1","7","1") = "6"
    & skf21("7","2","1","3","7","2","1","1") = "6"
    & skf21("7","2","1","3","7","2","2","1") = "6"
    & skf21("7","2","1","3","7","2","3","1") = "6"
    & skf21("7","2","1","3","7","2","4","1") = "6"
    & skf21("7","2","1","3","7","2","5","1") = "6"
    & skf21("7","2","1","3","7","2","6","1") = "6"
    & skf21("7","2","1","3","7","2","7","1") = "6"
    & skf21("7","2","1","3","7","3","1","1") = "6"
    & skf21("7","2","1","3","7","3","2","1") = "6"
    & skf21("7","2","1","3","7","3","3","1") = "6"
    & skf21("7","2","1","3","7","3","4","1") = "6"
    & skf21("7","2","1","3","7","3","5","1") = "6"
    & skf21("7","2","1","3","7","3","6","1") = "6"
    & skf21("7","2","1","3","7","3","7","1") = "6"
    & skf21("7","2","1","3","7","4","1","1") = "6"
    & skf21("7","2","1","3","7","4","2","1") = "6"
    & skf21("7","2","1","3","7","4","3","1") = "6"
    & skf21("7","2","1","3","7","4","4","1") = "6"
    & skf21("7","2","1","3","7","4","5","1") = "6"
    & skf21("7","2","1","3","7","4","6","1") = "6"
    & skf21("7","2","1","3","7","4","7","1") = "6"
    & skf21("7","2","1","3","7","5","1","1") = "6"
    & skf21("7","2","1","3","7","5","2","1") = "6"
    & skf21("7","2","1","3","7","5","3","1") = "6"
    & skf21("7","2","1","3","7","5","4","1") = "6"
    & skf21("7","2","1","3","7","5","5","1") = "6"
    & skf21("7","2","1","3","7","5","6","1") = "6"
    & skf21("7","2","1","3","7","5","7","1") = "6"
    & skf21("7","2","1","3","7","6","1","1") = "6"
    & skf21("7","2","1","3","7","6","2","1") = "6"
    & skf21("7","2","1","3","7","6","3","1") = "6"
    & skf21("7","2","1","3","7","6","4","1") = "6"
    & skf21("7","2","1","3","7","6","5","1") = "6"
    & skf21("7","2","1","3","7","6","6","1") = "6"
    & skf21("7","2","1","3","7","6","7","1") = "6"
    & skf21("7","2","1","3","7","7","1","1") = "6"
    & skf21("7","2","1","3","7","7","2","1") = "6"
    & skf21("7","2","1","3","7","7","3","1") = "6"
    & skf21("7","2","1","3","7","7","4","1") = "6"
    & skf21("7","2","1","3","7","7","5","1") = "6"
    & skf21("7","2","1","3","7","7","6","1") = "6"
    & skf21("7","2","1","3","7","7","7","1") = "6"
    & skf21("7","2","1","4","1","1","1","1") = "6"
    & skf21("7","2","1","4","1","1","2","1") = "6"
    & skf21("7","2","1","4","1","1","3","1") = "6"
    & skf21("7","2","1","4","1","1","4","1") = "6"
    & skf21("7","2","1","4","1","1","5","1") = "6"
    & skf21("7","2","1","4","1","1","6","1") = "6"
    & skf21("7","2","1","4","1","1","7","1") = "6"
    & skf21("7","2","1","4","1","2","1","1") = "6"
    & skf21("7","2","1","4","1","2","2","1") = "6"
    & skf21("7","2","1","4","1","2","3","1") = "6"
    & skf21("7","2","1","4","1","2","4","1") = "6"
    & skf21("7","2","1","4","1","2","5","1") = "6"
    & skf21("7","2","1","4","1","2","6","1") = "6"
    & skf21("7","2","1","4","1","2","7","1") = "6"
    & skf21("7","2","1","4","1","3","1","1") = "6"
    & skf21("7","2","1","4","1","3","2","1") = "6"
    & skf21("7","2","1","4","1","3","3","1") = "6"
    & skf21("7","2","1","4","1","3","4","1") = "6"
    & skf21("7","2","1","4","1","3","5","1") = "6"
    & skf21("7","2","1","4","1","3","6","1") = "6"
    & skf21("7","2","1","4","1","3","7","1") = "6"
    & skf21("7","2","1","4","1","4","1","1") = "6"
    & skf21("7","2","1","4","1","4","2","1") = "6"
    & skf21("7","2","1","4","1","4","3","1") = "6"
    & skf21("7","2","1","4","1","4","4","1") = "6"
    & skf21("7","2","1","4","1","4","5","1") = "6"
    & skf21("7","2","1","4","1","4","6","1") = "6"
    & skf21("7","2","1","4","1","4","7","1") = "6"
    & skf21("7","2","1","4","1","5","1","1") = "6"
    & skf21("7","2","1","4","1","5","2","1") = "6"
    & skf21("7","2","1","4","1","5","3","1") = "6"
    & skf21("7","2","1","4","1","5","4","1") = "6"
    & skf21("7","2","1","4","1","5","5","1") = "6"
    & skf21("7","2","1","4","1","5","6","1") = "6"
    & skf21("7","2","1","4","1","5","7","1") = "6"
    & skf21("7","2","1","4","1","6","1","1") = "6"
    & skf21("7","2","1","4","1","6","2","1") = "6"
    & skf21("7","2","1","4","1","6","3","1") = "6"
    & skf21("7","2","1","4","1","6","4","1") = "6"
    & skf21("7","2","1","4","1","6","5","1") = "6"
    & skf21("7","2","1","4","1","6","6","1") = "6"
    & skf21("7","2","1","4","1","6","7","1") = "6"
    & skf21("7","2","1","4","1","7","1","1") = "6"
    & skf21("7","2","1","4","1","7","2","1") = "6"
    & skf21("7","2","1","4","1","7","3","1") = "6"
    & skf21("7","2","1","4","1","7","4","1") = "6"
    & skf21("7","2","1","4","1","7","5","1") = "6"
    & skf21("7","2","1","4","1","7","6","1") = "6"
    & skf21("7","2","1","4","1","7","7","1") = "6"
    & skf21("7","2","1","4","2","1","1","1") = "6"
    & skf21("7","2","1","4","2","1","2","1") = "6"
    & skf21("7","2","1","4","2","1","3","1") = "6"
    & skf21("7","2","1","4","2","1","4","1") = "6"
    & skf21("7","2","1","4","2","1","5","1") = "6"
    & skf21("7","2","1","4","2","1","6","1") = "6"
    & skf21("7","2","1","4","2","1","7","1") = "6"
    & skf21("7","2","1","4","2","2","1","1") = "6"
    & skf21("7","2","1","4","2","2","2","1") = "6"
    & skf21("7","2","1","4","2","2","3","1") = "6"
    & skf21("7","2","1","4","2","2","4","1") = "6"
    & skf21("7","2","1","4","2","2","5","1") = "6"
    & skf21("7","2","1","4","2","2","6","1") = "6"
    & skf21("7","2","1","4","2","2","7","1") = "6"
    & skf21("7","2","1","4","2","3","1","1") = "6"
    & skf21("7","2","1","4","2","3","2","1") = "6"
    & skf21("7","2","1","4","2","3","3","1") = "6"
    & skf21("7","2","1","4","2","3","4","1") = "6"
    & skf21("7","2","1","4","2","3","5","1") = "6"
    & skf21("7","2","1","4","2","3","6","1") = "6"
    & skf21("7","2","1","4","2","3","7","1") = "6"
    & skf21("7","2","1","4","2","4","1","1") = "6"
    & skf21("7","2","1","4","2","4","2","1") = "6"
    & skf21("7","2","1","4","2","4","3","1") = "6"
    & skf21("7","2","1","4","2","4","4","1") = "6"
    & skf21("7","2","1","4","2","4","5","1") = "6"
    & skf21("7","2","1","4","2","4","6","1") = "6"
    & skf21("7","2","1","4","2","4","7","1") = "6"
    & skf21("7","2","1","4","2","5","1","1") = "6"
    & skf21("7","2","1","4","2","5","2","1") = "6"
    & skf21("7","2","1","4","2","5","3","1") = "6"
    & skf21("7","2","1","4","2","5","4","1") = "6"
    & skf21("7","2","1","4","2","5","5","1") = "6"
    & skf21("7","2","1","4","2","5","6","1") = "6"
    & skf21("7","2","1","4","2","5","7","1") = "6"
    & skf21("7","2","1","4","2","6","1","1") = "6"
    & skf21("7","2","1","4","2","6","2","1") = "6"
    & skf21("7","2","1","4","2","6","3","1") = "6"
    & skf21("7","2","1","4","2","6","4","1") = "6"
    & skf21("7","2","1","4","2","6","5","1") = "6"
    & skf21("7","2","1","4","2","6","6","1") = "6"
    & skf21("7","2","1","4","2","6","7","1") = "6"
    & skf21("7","2","1","4","2","7","1","1") = "6"
    & skf21("7","2","1","4","2","7","2","1") = "6"
    & skf21("7","2","1","4","2","7","3","1") = "6"
    & skf21("7","2","1","4","2","7","4","1") = "6"
    & skf21("7","2","1","4","2","7","5","1") = "6"
    & skf21("7","2","1","4","2","7","6","1") = "6"
    & skf21("7","2","1","4","2","7","7","1") = "6"
    & skf21("7","2","1","4","3","1","1","1") = "6"
    & skf21("7","2","1","4","3","1","2","1") = "6"
    & skf21("7","2","1","4","3","1","3","1") = "6"
    & skf21("7","2","1","4","3","1","4","1") = "6"
    & skf21("7","2","1","4","3","1","5","1") = "6"
    & skf21("7","2","1","4","3","1","6","1") = "6"
    & skf21("7","2","1","4","3","1","7","1") = "6"
    & skf21("7","2","1","4","3","2","1","1") = "6"
    & skf21("7","2","1","4","3","2","2","1") = "6"
    & skf21("7","2","1","4","3","2","3","1") = "6"
    & skf21("7","2","1","4","3","2","4","1") = "6"
    & skf21("7","2","1","4","3","2","5","1") = "6"
    & skf21("7","2","1","4","3","2","6","1") = "6"
    & skf21("7","2","1","4","3","2","7","1") = "6"
    & skf21("7","2","1","4","3","3","1","1") = "6"
    & skf21("7","2","1","4","3","3","2","1") = "6"
    & skf21("7","2","1","4","3","3","3","1") = "6"
    & skf21("7","2","1","4","3","3","4","1") = "6"
    & skf21("7","2","1","4","3","3","5","1") = "6"
    & skf21("7","2","1","4","3","3","6","1") = "6"
    & skf21("7","2","1","4","3","3","7","1") = "6"
    & skf21("7","2","1","4","3","4","1","1") = "6"
    & skf21("7","2","1","4","3","4","2","1") = "6"
    & skf21("7","2","1","4","3","4","3","1") = "6"
    & skf21("7","2","1","4","3","4","4","1") = "6"
    & skf21("7","2","1","4","3","4","5","1") = "6"
    & skf21("7","2","1","4","3","4","6","1") = "6"
    & skf21("7","2","1","4","3","4","7","1") = "6"
    & skf21("7","2","1","4","3","5","1","1") = "6"
    & skf21("7","2","1","4","3","5","2","1") = "6"
    & skf21("7","2","1","4","3","5","3","1") = "6"
    & skf21("7","2","1","4","3","5","4","1") = "6"
    & skf21("7","2","1","4","3","5","5","1") = "6"
    & skf21("7","2","1","4","3","5","6","1") = "6"
    & skf21("7","2","1","4","3","5","7","1") = "6"
    & skf21("7","2","1","4","3","6","1","1") = "6"
    & skf21("7","2","1","4","3","6","2","1") = "6"
    & skf21("7","2","1","4","3","6","3","1") = "6"
    & skf21("7","2","1","4","3","6","4","1") = "6"
    & skf21("7","2","1","4","3","6","5","1") = "6"
    & skf21("7","2","1","4","3","6","6","1") = "6"
    & skf21("7","2","1","4","3","6","7","1") = "6"
    & skf21("7","2","1","4","3","7","1","1") = "6"
    & skf21("7","2","1","4","3","7","2","1") = "6"
    & skf21("7","2","1","4","3","7","3","1") = "6"
    & skf21("7","2","1","4","3","7","4","1") = "6"
    & skf21("7","2","1","4","3","7","5","1") = "6"
    & skf21("7","2","1","4","3","7","6","1") = "6"
    & skf21("7","2","1","4","3","7","7","1") = "6"
    & skf21("7","2","1","4","4","1","1","1") = "6"
    & skf21("7","2","1","4","4","1","2","1") = "6"
    & skf21("7","2","1","4","4","1","3","1") = "6"
    & skf21("7","2","1","4","4","1","4","1") = "6"
    & skf21("7","2","1","4","4","1","5","1") = "6"
    & skf21("7","2","1","4","4","1","6","1") = "6"
    & skf21("7","2","1","4","4","1","7","1") = "6"
    & skf21("7","2","1","4","4","2","1","1") = "6"
    & skf21("7","2","1","4","4","2","2","1") = "6"
    & skf21("7","2","1","4","4","2","3","1") = "6"
    & skf21("7","2","1","4","4","2","4","1") = "6"
    & skf21("7","2","1","4","4","2","5","1") = "6"
    & skf21("7","2","1","4","4","2","6","1") = "6"
    & skf21("7","2","1","4","4","2","7","1") = "6"
    & skf21("7","2","1","4","4","3","1","1") = "6"
    & skf21("7","2","1","4","4","3","2","1") = "6"
    & skf21("7","2","1","4","4","3","3","1") = "6"
    & skf21("7","2","1","4","4","3","4","1") = "6"
    & skf21("7","2","1","4","4","3","5","1") = "6"
    & skf21("7","2","1","4","4","3","6","1") = "6"
    & skf21("7","2","1","4","4","3","7","1") = "6"
    & skf21("7","2","1","4","4","4","1","1") = "6"
    & skf21("7","2","1","4","4","4","2","1") = "6"
    & skf21("7","2","1","4","4","4","3","1") = "6"
    & skf21("7","2","1","4","4","4","4","1") = "6"
    & skf21("7","2","1","4","4","4","5","1") = "6"
    & skf21("7","2","1","4","4","4","6","1") = "6"
    & skf21("7","2","1","4","4","4","7","1") = "6"
    & skf21("7","2","1","4","4","5","1","1") = "6"
    & skf21("7","2","1","4","4","5","2","1") = "6"
    & skf21("7","2","1","4","4","5","3","1") = "6"
    & skf21("7","2","1","4","4","5","4","1") = "6"
    & skf21("7","2","1","4","4","5","5","1") = "6"
    & skf21("7","2","1","4","4","5","6","1") = "6"
    & skf21("7","2","1","4","4","5","7","1") = "6"
    & skf21("7","2","1","4","4","6","1","1") = "6"
    & skf21("7","2","1","4","4","6","2","1") = "6"
    & skf21("7","2","1","4","4","6","3","1") = "6"
    & skf21("7","2","1","4","4","6","4","1") = "6"
    & skf21("7","2","1","4","4","6","5","1") = "6"
    & skf21("7","2","1","4","4","6","6","1") = "6"
    & skf21("7","2","1","4","4","6","7","1") = "6"
    & skf21("7","2","1","4","4","7","1","1") = "6"
    & skf21("7","2","1","4","4","7","2","1") = "6"
    & skf21("7","2","1","4","4","7","3","1") = "6"
    & skf21("7","2","1","4","4","7","4","1") = "6"
    & skf21("7","2","1","4","4","7","5","1") = "6"
    & skf21("7","2","1","4","4","7","6","1") = "6"
    & skf21("7","2","1","4","4","7","7","1") = "6"
    & skf21("7","2","1","4","5","1","1","1") = "6"
    & skf21("7","2","1","4","5","1","2","1") = "6"
    & skf21("7","2","1","4","5","1","3","1") = "6"
    & skf21("7","2","1","4","5","1","4","1") = "6"
    & skf21("7","2","1","4","5","1","5","1") = "6"
    & skf21("7","2","1","4","5","1","6","1") = "6"
    & skf21("7","2","1","4","5","1","7","1") = "6"
    & skf21("7","2","1","4","5","2","1","1") = "6"
    & skf21("7","2","1","4","5","2","2","1") = "6"
    & skf21("7","2","1","4","5","2","3","1") = "6"
    & skf21("7","2","1","4","5","2","4","1") = "6"
    & skf21("7","2","1","4","5","2","5","1") = "6"
    & skf21("7","2","1","4","5","2","6","1") = "6"
    & skf21("7","2","1","4","5","2","7","1") = "6"
    & skf21("7","2","1","4","5","3","1","1") = "6"
    & skf21("7","2","1","4","5","3","2","1") = "6"
    & skf21("7","2","1","4","5","3","3","1") = "6"
    & skf21("7","2","1","4","5","3","4","1") = "6"
    & skf21("7","2","1","4","5","3","5","1") = "6"
    & skf21("7","2","1","4","5","3","6","1") = "6"
    & skf21("7","2","1","4","5","3","7","1") = "6"
    & skf21("7","2","1","4","5","4","1","1") = "6"
    & skf21("7","2","1","4","5","4","2","1") = "6"
    & skf21("7","2","1","4","5","4","3","1") = "6"
    & skf21("7","2","1","4","5","4","4","1") = "6"
    & skf21("7","2","1","4","5","4","5","1") = "6"
    & skf21("7","2","1","4","5","4","6","1") = "6"
    & skf21("7","2","1","4","5","4","7","1") = "6"
    & skf21("7","2","1","4","5","5","1","1") = "6"
    & skf21("7","2","1","4","5","5","2","1") = "6"
    & skf21("7","2","1","4","5","5","3","1") = "6"
    & skf21("7","2","1","4","5","5","4","1") = "6"
    & skf21("7","2","1","4","5","5","5","1") = "6"
    & skf21("7","2","1","4","5","5","6","1") = "6"
    & skf21("7","2","1","4","5","5","7","1") = "6"
    & skf21("7","2","1","4","5","6","1","1") = "6"
    & skf21("7","2","1","4","5","6","2","1") = "6"
    & skf21("7","2","1","4","5","6","3","1") = "6"
    & skf21("7","2","1","4","5","6","4","1") = "6"
    & skf21("7","2","1","4","5","6","5","1") = "6"
    & skf21("7","2","1","4","5","6","6","1") = "6"
    & skf21("7","2","1","4","5","6","7","1") = "6"
    & skf21("7","2","1","4","5","7","1","1") = "6"
    & skf21("7","2","1","4","5","7","2","1") = "6"
    & skf21("7","2","1","4","5","7","3","1") = "6"
    & skf21("7","2","1","4","5","7","4","1") = "6"
    & skf21("7","2","1","4","5","7","5","1") = "6"
    & skf21("7","2","1","4","5","7","6","1") = "6"
    & skf21("7","2","1","4","5","7","7","1") = "6"
    & skf21("7","2","1","4","6","1","1","1") = "6"
    & skf21("7","2","1","4","6","1","2","1") = "6"
    & skf21("7","2","1","4","6","1","3","1") = "6"
    & skf21("7","2","1","4","6","1","4","1") = "6"
    & skf21("7","2","1","4","6","1","5","1") = "6"
    & skf21("7","2","1","4","6","1","6","1") = "6"
    & skf21("7","2","1","4","6","1","7","1") = "6"
    & skf21("7","2","1","4","6","2","1","1") = "6"
    & skf21("7","2","1","4","6","2","2","1") = "6"
    & skf21("7","2","1","4","6","2","3","1") = "6"
    & skf21("7","2","1","4","6","2","4","1") = "6"
    & skf21("7","2","1","4","6","2","5","1") = "6"
    & skf21("7","2","1","4","6","2","6","1") = "6"
    & skf21("7","2","1","4","6","2","7","1") = "6"
    & skf21("7","2","1","4","6","3","1","1") = "6"
    & skf21("7","2","1","4","6","3","2","1") = "6"
    & skf21("7","2","1","4","6","3","3","1") = "6"
    & skf21("7","2","1","4","6","3","4","1") = "6"
    & skf21("7","2","1","4","6","3","5","1") = "6"
    & skf21("7","2","1","4","6","3","6","1") = "6"
    & skf21("7","2","1","4","6","3","7","1") = "6"
    & skf21("7","2","1","4","6","4","1","1") = "6"
    & skf21("7","2","1","4","6","4","2","1") = "6"
    & skf21("7","2","1","4","6","4","3","1") = "6"
    & skf21("7","2","1","4","6","4","4","1") = "6"
    & skf21("7","2","1","4","6","4","5","1") = "6"
    & skf21("7","2","1","4","6","4","6","1") = "6"
    & skf21("7","2","1","4","6","4","7","1") = "6"
    & skf21("7","2","1","4","6","5","1","1") = "6"
    & skf21("7","2","1","4","6","5","2","1") = "6"
    & skf21("7","2","1","4","6","5","3","1") = "6"
    & skf21("7","2","1","4","6","5","4","1") = "6"
    & skf21("7","2","1","4","6","5","5","1") = "6"
    & skf21("7","2","1","4","6","5","6","1") = "6"
    & skf21("7","2","1","4","6","5","7","1") = "6"
    & skf21("7","2","1","4","6","6","1","1") = "6"
    & skf21("7","2","1","4","6","6","2","1") = "6"
    & skf21("7","2","1","4","6","6","3","1") = "6"
    & skf21("7","2","1","4","6","6","4","1") = "6"
    & skf21("7","2","1","4","6","6","5","1") = "6"
    & skf21("7","2","1","4","6","6","6","1") = "6"
    & skf21("7","2","1","4","6","6","7","1") = "6"
    & skf21("7","2","1","4","6","7","1","1") = "6"
    & skf21("7","2","1","4","6","7","2","1") = "6"
    & skf21("7","2","1","4","6","7","3","1") = "6"
    & skf21("7","2","1","4","6","7","4","1") = "6"
    & skf21("7","2","1","4","6","7","5","1") = "6"
    & skf21("7","2","1","4","6","7","6","1") = "6"
    & skf21("7","2","1","4","6","7","7","1") = "6"
    & skf21("7","2","1","4","7","1","1","1") = "6"
    & skf21("7","2","1","4","7","1","2","1") = "6"
    & skf21("7","2","1","4","7","1","3","1") = "6"
    & skf21("7","2","1","4","7","1","4","1") = "6"
    & skf21("7","2","1","4","7","1","5","1") = "6"
    & skf21("7","2","1","4","7","1","6","1") = "6"
    & skf21("7","2","1","4","7","1","7","1") = "6"
    & skf21("7","2","1","4","7","2","1","1") = "6"
    & skf21("7","2","1","4","7","2","2","1") = "6"
    & skf21("7","2","1","4","7","2","3","1") = "6"
    & skf21("7","2","1","4","7","2","4","1") = "6"
    & skf21("7","2","1","4","7","2","5","1") = "6"
    & skf21("7","2","1","4","7","2","6","1") = "6"
    & skf21("7","2","1","4","7","2","7","1") = "6"
    & skf21("7","2","1","4","7","3","1","1") = "6"
    & skf21("7","2","1","4","7","3","2","1") = "6"
    & skf21("7","2","1","4","7","3","3","1") = "6"
    & skf21("7","2","1","4","7","3","4","1") = "6"
    & skf21("7","2","1","4","7","3","5","1") = "6"
    & skf21("7","2","1","4","7","3","6","1") = "6"
    & skf21("7","2","1","4","7","3","7","1") = "6"
    & skf21("7","2","1","4","7","4","1","1") = "6"
    & skf21("7","2","1","4","7","4","2","1") = "6"
    & skf21("7","2","1","4","7","4","3","1") = "6"
    & skf21("7","2","1","4","7","4","4","1") = "6"
    & skf21("7","2","1","4","7","4","5","1") = "6"
    & skf21("7","2","1","4","7","4","6","1") = "6"
    & skf21("7","2","1","4","7","4","7","1") = "6"
    & skf21("7","2","1","4","7","5","1","1") = "6"
    & skf21("7","2","1","4","7","5","2","1") = "6"
    & skf21("7","2","1","4","7","5","3","1") = "6"
    & skf21("7","2","1","4","7","5","4","1") = "6"
    & skf21("7","2","1","4","7","5","5","1") = "6"
    & skf21("7","2","1","4","7","5","6","1") = "6"
    & skf21("7","2","1","4","7","5","7","1") = "6"
    & skf21("7","2","1","4","7","6","1","1") = "6"
    & skf21("7","2","1","4","7","6","2","1") = "6"
    & skf21("7","2","1","4","7","6","3","1") = "6"
    & skf21("7","2","1","4","7","6","4","1") = "6"
    & skf21("7","2","1","4","7","6","5","1") = "6"
    & skf21("7","2","1","4","7","6","6","1") = "6"
    & skf21("7","2","1","4","7","6","7","1") = "6"
    & skf21("7","2","1","4","7","7","1","1") = "6"
    & skf21("7","2","1","4","7","7","2","1") = "6"
    & skf21("7","2","1","4","7","7","3","1") = "6"
    & skf21("7","2","1","4","7","7","4","1") = "6"
    & skf21("7","2","1","4","7","7","5","1") = "6"
    & skf21("7","2","1","4","7","7","6","1") = "6"
    & skf21("7","2","1","4","7","7","7","1") = "6"
    & skf21("7","2","1","5","1","1","1","1") = "6"
    & skf21("7","2","1","5","1","1","2","1") = "6"
    & skf21("7","2","1","5","1","1","3","1") = "6"
    & skf21("7","2","1","5","1","1","4","1") = "6"
    & skf21("7","2","1","5","1","1","5","1") = "6"
    & skf21("7","2","1","5","1","1","6","1") = "6"
    & skf21("7","2","1","5","1","1","7","1") = "6"
    & skf21("7","2","1","5","1","2","1","1") = "6"
    & skf21("7","2","1","5","1","2","2","1") = "6"
    & skf21("7","2","1","5","1","2","3","1") = "6"
    & skf21("7","2","1","5","1","2","4","1") = "6"
    & skf21("7","2","1","5","1","2","5","1") = "6"
    & skf21("7","2","1","5","1","2","6","1") = "6"
    & skf21("7","2","1","5","1","2","7","1") = "6"
    & skf21("7","2","1","5","1","3","1","1") = "6"
    & skf21("7","2","1","5","1","3","2","1") = "6"
    & skf21("7","2","1","5","1","3","3","1") = "6"
    & skf21("7","2","1","5","1","3","4","1") = "6"
    & skf21("7","2","1","5","1","3","5","1") = "6"
    & skf21("7","2","1","5","1","3","6","1") = "6"
    & skf21("7","2","1","5","1","3","7","1") = "6"
    & skf21("7","2","1","5","1","4","1","1") = "6"
    & skf21("7","2","1","5","1","4","2","1") = "6"
    & skf21("7","2","1","5","1","4","3","1") = "6"
    & skf21("7","2","1","5","1","4","4","1") = "6"
    & skf21("7","2","1","5","1","4","5","1") = "6"
    & skf21("7","2","1","5","1","4","6","1") = "6"
    & skf21("7","2","1","5","1","4","7","1") = "6"
    & skf21("7","2","1","5","1","5","1","1") = "6"
    & skf21("7","2","1","5","1","5","2","1") = "6"
    & skf21("7","2","1","5","1","5","3","1") = "6"
    & skf21("7","2","1","5","1","5","4","1") = "6"
    & skf21("7","2","1","5","1","5","5","1") = "6"
    & skf21("7","2","1","5","1","5","6","1") = "6"
    & skf21("7","2","1","5","1","5","7","1") = "6"
    & skf21("7","2","1","5","1","6","1","1") = "6"
    & skf21("7","2","1","5","1","6","2","1") = "6"
    & skf21("7","2","1","5","1","6","3","1") = "6"
    & skf21("7","2","1","5","1","6","4","1") = "6"
    & skf21("7","2","1","5","1","6","5","1") = "6"
    & skf21("7","2","1","5","1","6","6","1") = "6"
    & skf21("7","2","1","5","1","6","7","1") = "6"
    & skf21("7","2","1","5","1","7","1","1") = "6"
    & skf21("7","2","1","5","1","7","2","1") = "6"
    & skf21("7","2","1","5","1","7","3","1") = "6"
    & skf21("7","2","1","5","1","7","4","1") = "6"
    & skf21("7","2","1","5","1","7","5","1") = "6"
    & skf21("7","2","1","5","1","7","6","1") = "6"
    & skf21("7","2","1","5","1","7","7","1") = "6"
    & skf21("7","2","1","5","2","1","1","1") = "6"
    & skf21("7","2","1","5","2","1","2","1") = "6"
    & skf21("7","2","1","5","2","1","3","1") = "6"
    & skf21("7","2","1","5","2","1","4","1") = "6"
    & skf21("7","2","1","5","2","1","5","1") = "6"
    & skf21("7","2","1","5","2","1","6","1") = "6"
    & skf21("7","2","1","5","2","1","7","1") = "6"
    & skf21("7","2","1","5","2","2","1","1") = "6"
    & skf21("7","2","1","5","2","2","2","1") = "6"
    & skf21("7","2","1","5","2","2","3","1") = "6"
    & skf21("7","2","1","5","2","2","4","1") = "6"
    & skf21("7","2","1","5","2","2","5","1") = "6"
    & skf21("7","2","1","5","2","2","6","1") = "6"
    & skf21("7","2","1","5","2","2","7","1") = "6"
    & skf21("7","2","1","5","2","3","1","1") = "6"
    & skf21("7","2","1","5","2","3","2","1") = "6"
    & skf21("7","2","1","5","2","3","3","1") = "6"
    & skf21("7","2","1","5","2","3","4","1") = "6"
    & skf21("7","2","1","5","2","3","5","1") = "6"
    & skf21("7","2","1","5","2","3","6","1") = "6"
    & skf21("7","2","1","5","2","3","7","1") = "6"
    & skf21("7","2","1","5","2","4","1","1") = "6"
    & skf21("7","2","1","5","2","4","2","1") = "6"
    & skf21("7","2","1","5","2","4","3","1") = "6"
    & skf21("7","2","1","5","2","4","4","1") = "6"
    & skf21("7","2","1","5","2","4","5","1") = "6"
    & skf21("7","2","1","5","2","4","6","1") = "6"
    & skf21("7","2","1","5","2","4","7","1") = "6"
    & skf21("7","2","1","5","2","5","1","1") = "6"
    & skf21("7","2","1","5","2","5","2","1") = "6"
    & skf21("7","2","1","5","2","5","3","1") = "6"
    & skf21("7","2","1","5","2","5","4","1") = "6"
    & skf21("7","2","1","5","2","5","5","1") = "6"
    & skf21("7","2","1","5","2","5","6","1") = "6"
    & skf21("7","2","1","5","2","5","7","1") = "6"
    & skf21("7","2","1","5","2","6","1","1") = "6"
    & skf21("7","2","1","5","2","6","2","1") = "6"
    & skf21("7","2","1","5","2","6","3","1") = "6"
    & skf21("7","2","1","5","2","6","4","1") = "6"
    & skf21("7","2","1","5","2","6","5","1") = "6"
    & skf21("7","2","1","5","2","6","6","1") = "6"
    & skf21("7","2","1","5","2","6","7","1") = "6"
    & skf21("7","2","1","5","2","7","1","1") = "6"
    & skf21("7","2","1","5","2","7","2","1") = "6"
    & skf21("7","2","1","5","2","7","3","1") = "6"
    & skf21("7","2","1","5","2","7","4","1") = "6"
    & skf21("7","2","1","5","2","7","5","1") = "6"
    & skf21("7","2","1","5","2","7","6","1") = "6"
    & skf21("7","2","1","5","2","7","7","1") = "6"
    & skf21("7","2","1","5","3","1","1","1") = "6"
    & skf21("7","2","1","5","3","1","2","1") = "6"
    & skf21("7","2","1","5","3","1","3","1") = "6"
    & skf21("7","2","1","5","3","1","4","1") = "6"
    & skf21("7","2","1","5","3","1","5","1") = "6"
    & skf21("7","2","1","5","3","1","6","1") = "6"
    & skf21("7","2","1","5","3","1","7","1") = "6"
    & skf21("7","2","1","5","3","2","1","1") = "6"
    & skf21("7","2","1","5","3","2","2","1") = "6"
    & skf21("7","2","1","5","3","2","3","1") = "6"
    & skf21("7","2","1","5","3","2","4","1") = "6"
    & skf21("7","2","1","5","3","2","5","1") = "6"
    & skf21("7","2","1","5","3","2","6","1") = "6"
    & skf21("7","2","1","5","3","2","7","1") = "6"
    & skf21("7","2","1","5","3","3","1","1") = "6"
    & skf21("7","2","1","5","3","3","2","1") = "6"
    & skf21("7","2","1","5","3","3","3","1") = "6"
    & skf21("7","2","1","5","3","3","4","1") = "6"
    & skf21("7","2","1","5","3","3","5","1") = "6"
    & skf21("7","2","1","5","3","3","6","1") = "6"
    & skf21("7","2","1","5","3","3","7","1") = "6"
    & skf21("7","2","1","5","3","4","1","1") = "6"
    & skf21("7","2","1","5","3","4","2","1") = "6"
    & skf21("7","2","1","5","3","4","3","1") = "6"
    & skf21("7","2","1","5","3","4","4","1") = "6"
    & skf21("7","2","1","5","3","4","5","1") = "6"
    & skf21("7","2","1","5","3","4","6","1") = "6"
    & skf21("7","2","1","5","3","4","7","1") = "6"
    & skf21("7","2","1","5","3","5","1","1") = "6"
    & skf21("7","2","1","5","3","5","2","1") = "6"
    & skf21("7","2","1","5","3","5","3","1") = "6"
    & skf21("7","2","1","5","3","5","4","1") = "6"
    & skf21("7","2","1","5","3","5","5","1") = "6"
    & skf21("7","2","1","5","3","5","6","1") = "6"
    & skf21("7","2","1","5","3","5","7","1") = "6"
    & skf21("7","2","1","5","3","6","1","1") = "6"
    & skf21("7","2","1","5","3","6","2","1") = "6"
    & skf21("7","2","1","5","3","6","3","1") = "6"
    & skf21("7","2","1","5","3","6","4","1") = "6"
    & skf21("7","2","1","5","3","6","5","1") = "6"
    & skf21("7","2","1","5","3","6","6","1") = "6"
    & skf21("7","2","1","5","3","6","7","1") = "6"
    & skf21("7","2","1","5","3","7","1","1") = "6"
    & skf21("7","2","1","5","3","7","2","1") = "6"
    & skf21("7","2","1","5","3","7","3","1") = "6"
    & skf21("7","2","1","5","3","7","4","1") = "6"
    & skf21("7","2","1","5","3","7","5","1") = "6"
    & skf21("7","2","1","5","3","7","6","1") = "6"
    & skf21("7","2","1","5","3","7","7","1") = "6"
    & skf21("7","2","1","5","4","1","1","1") = "6"
    & skf21("7","2","1","5","4","1","2","1") = "6"
    & skf21("7","2","1","5","4","1","3","1") = "6"
    & skf21("7","2","1","5","4","1","4","1") = "6"
    & skf21("7","2","1","5","4","1","5","1") = "6"
    & skf21("7","2","1","5","4","1","6","1") = "6"
    & skf21("7","2","1","5","4","1","7","1") = "6"
    & skf21("7","2","1","5","4","2","1","1") = "6"
    & skf21("7","2","1","5","4","2","2","1") = "6"
    & skf21("7","2","1","5","4","2","3","1") = "6"
    & skf21("7","2","1","5","4","2","4","1") = "6"
    & skf21("7","2","1","5","4","2","5","1") = "6"
    & skf21("7","2","1","5","4","2","6","1") = "6"
    & skf21("7","2","1","5","4","2","7","1") = "6"
    & skf21("7","2","1","5","4","3","1","1") = "6"
    & skf21("7","2","1","5","4","3","2","1") = "6"
    & skf21("7","2","1","5","4","3","3","1") = "6"
    & skf21("7","2","1","5","4","3","4","1") = "6"
    & skf21("7","2","1","5","4","3","5","1") = "6"
    & skf21("7","2","1","5","4","3","6","1") = "6"
    & skf21("7","2","1","5","4","3","7","1") = "6"
    & skf21("7","2","1","5","4","4","1","1") = "6"
    & skf21("7","2","1","5","4","4","2","1") = "6"
    & skf21("7","2","1","5","4","4","3","1") = "6"
    & skf21("7","2","1","5","4","4","4","1") = "6"
    & skf21("7","2","1","5","4","4","5","1") = "6"
    & skf21("7","2","1","5","4","4","6","1") = "6"
    & skf21("7","2","1","5","4","4","7","1") = "6"
    & skf21("7","2","1","5","4","5","1","1") = "6"
    & skf21("7","2","1","5","4","5","2","1") = "6"
    & skf21("7","2","1","5","4","5","3","1") = "6"
    & skf21("7","2","1","5","4","5","4","1") = "6"
    & skf21("7","2","1","5","4","5","5","1") = "6"
    & skf21("7","2","1","5","4","5","6","1") = "6"
    & skf21("7","2","1","5","4","5","7","1") = "6"
    & skf21("7","2","1","5","4","6","1","1") = "6"
    & skf21("7","2","1","5","4","6","2","1") = "6"
    & skf21("7","2","1","5","4","6","3","1") = "6"
    & skf21("7","2","1","5","4","6","4","1") = "6"
    & skf21("7","2","1","5","4","6","5","1") = "6"
    & skf21("7","2","1","5","4","6","6","1") = "6"
    & skf21("7","2","1","5","4","6","7","1") = "6"
    & skf21("7","2","1","5","4","7","1","1") = "6"
    & skf21("7","2","1","5","4","7","2","1") = "6"
    & skf21("7","2","1","5","4","7","3","1") = "6"
    & skf21("7","2","1","5","4","7","4","1") = "6"
    & skf21("7","2","1","5","4","7","5","1") = "6"
    & skf21("7","2","1","5","4","7","6","1") = "6"
    & skf21("7","2","1","5","4","7","7","1") = "6"
    & skf21("7","2","1","5","5","1","1","1") = "6"
    & skf21("7","2","1","5","5","1","2","1") = "6"
    & skf21("7","2","1","5","5","1","3","1") = "6"
    & skf21("7","2","1","5","5","1","4","1") = "6"
    & skf21("7","2","1","5","5","1","5","1") = "6"
    & skf21("7","2","1","5","5","1","6","1") = "6"
    & skf21("7","2","1","5","5","1","7","1") = "6"
    & skf21("7","2","1","5","5","2","1","1") = "6"
    & skf21("7","2","1","5","5","2","2","1") = "6"
    & skf21("7","2","1","5","5","2","3","1") = "6"
    & skf21("7","2","1","5","5","2","4","1") = "6"
    & skf21("7","2","1","5","5","2","5","1") = "6"
    & skf21("7","2","1","5","5","2","6","1") = "6"
    & skf21("7","2","1","5","5","2","7","1") = "6"
    & skf21("7","2","1","5","5","3","1","1") = "6"
    & skf21("7","2","1","5","5","3","2","1") = "6"
    & skf21("7","2","1","5","5","3","3","1") = "6"
    & skf21("7","2","1","5","5","3","4","1") = "6"
    & skf21("7","2","1","5","5","3","5","1") = "6"
    & skf21("7","2","1","5","5","3","6","1") = "6"
    & skf21("7","2","1","5","5","3","7","1") = "6"
    & skf21("7","2","1","5","5","4","1","1") = "6"
    & skf21("7","2","1","5","5","4","2","1") = "6"
    & skf21("7","2","1","5","5","4","3","1") = "6"
    & skf21("7","2","1","5","5","4","4","1") = "6"
    & skf21("7","2","1","5","5","4","5","1") = "6"
    & skf21("7","2","1","5","5","4","6","1") = "6"
    & skf21("7","2","1","5","5","4","7","1") = "6"
    & skf21("7","2","1","5","5","5","1","1") = "6"
    & skf21("7","2","1","5","5","5","2","1") = "6"
    & skf21("7","2","1","5","5","5","3","1") = "6"
    & skf21("7","2","1","5","5","5","4","1") = "6"
    & skf21("7","2","1","5","5","5","5","1") = "6"
    & skf21("7","2","1","5","5","5","6","1") = "6"
    & skf21("7","2","1","5","5","5","7","1") = "6"
    & skf21("7","2","1","5","5","6","1","1") = "6"
    & skf21("7","2","1","5","5","6","2","1") = "6"
    & skf21("7","2","1","5","5","6","3","1") = "6"
    & skf21("7","2","1","5","5","6","4","1") = "6"
    & skf21("7","2","1","5","5","6","5","1") = "6"
    & skf21("7","2","1","5","5","6","6","1") = "6"
    & skf21("7","2","1","5","5","6","7","1") = "6"
    & skf21("7","2","1","5","5","7","1","1") = "6"
    & skf21("7","2","1","5","5","7","2","1") = "6"
    & skf21("7","2","1","5","5","7","3","1") = "6"
    & skf21("7","2","1","5","5","7","4","1") = "6"
    & skf21("7","2","1","5","5","7","5","1") = "6"
    & skf21("7","2","1","5","5","7","6","1") = "6"
    & skf21("7","2","1","5","5","7","7","1") = "6"
    & skf21("7","2","1","5","6","1","1","1") = "6"
    & skf21("7","2","1","5","6","1","2","1") = "6"
    & skf21("7","2","1","5","6","1","3","1") = "6"
    & skf21("7","2","1","5","6","1","4","1") = "6"
    & skf21("7","2","1","5","6","1","5","1") = "6"
    & skf21("7","2","1","5","6","1","6","1") = "6"
    & skf21("7","2","1","5","6","1","7","1") = "6"
    & skf21("7","2","1","5","6","2","1","1") = "6"
    & skf21("7","2","1","5","6","2","2","1") = "6"
    & skf21("7","2","1","5","6","2","3","1") = "6"
    & skf21("7","2","1","5","6","2","4","1") = "6"
    & skf21("7","2","1","5","6","2","5","1") = "6"
    & skf21("7","2","1","5","6","2","6","1") = "6"
    & skf21("7","2","1","5","6","2","7","1") = "6"
    & skf21("7","2","1","5","6","3","1","1") = "6"
    & skf21("7","2","1","5","6","3","2","1") = "6"
    & skf21("7","2","1","5","6","3","3","1") = "6"
    & skf21("7","2","1","5","6","3","4","1") = "6"
    & skf21("7","2","1","5","6","3","5","1") = "6"
    & skf21("7","2","1","5","6","3","6","1") = "6"
    & skf21("7","2","1","5","6","3","7","1") = "6"
    & skf21("7","2","1","5","6","4","1","1") = "6"
    & skf21("7","2","1","5","6","4","2","1") = "6"
    & skf21("7","2","1","5","6","4","3","1") = "6"
    & skf21("7","2","1","5","6","4","4","1") = "6"
    & skf21("7","2","1","5","6","4","5","1") = "6"
    & skf21("7","2","1","5","6","4","6","1") = "6"
    & skf21("7","2","1","5","6","4","7","1") = "6"
    & skf21("7","2","1","5","6","5","1","1") = "6"
    & skf21("7","2","1","5","6","5","2","1") = "6"
    & skf21("7","2","1","5","6","5","3","1") = "6"
    & skf21("7","2","1","5","6","5","4","1") = "6"
    & skf21("7","2","1","5","6","5","5","1") = "6"
    & skf21("7","2","1","5","6","5","6","1") = "6"
    & skf21("7","2","1","5","6","5","7","1") = "6"
    & skf21("7","2","1","5","6","6","1","1") = "6"
    & skf21("7","2","1","5","6","6","2","1") = "6"
    & skf21("7","2","1","5","6","6","3","1") = "6"
    & skf21("7","2","1","5","6","6","4","1") = "6"
    & skf21("7","2","1","5","6","6","5","1") = "6"
    & skf21("7","2","1","5","6","6","6","1") = "6"
    & skf21("7","2","1","5","6","6","7","1") = "6"
    & skf21("7","2","1","5","6","7","1","1") = "6"
    & skf21("7","2","1","5","6","7","2","1") = "6"
    & skf21("7","2","1","5","6","7","3","1") = "6"
    & skf21("7","2","1","5","6","7","4","1") = "6"
    & skf21("7","2","1","5","6","7","5","1") = "6"
    & skf21("7","2","1","5","6","7","6","1") = "6"
    & skf21("7","2","1","5","6","7","7","1") = "6"
    & skf21("7","2","1","5","7","1","1","1") = "6"
    & skf21("7","2","1","5","7","1","2","1") = "6"
    & skf21("7","2","1","5","7","1","3","1") = "6"
    & skf21("7","2","1","5","7","1","4","1") = "6"
    & skf21("7","2","1","5","7","1","5","1") = "6"
    & skf21("7","2","1","5","7","1","6","1") = "6"
    & skf21("7","2","1","5","7","1","7","1") = "6"
    & skf21("7","2","1","5","7","2","1","1") = "6"
    & skf21("7","2","1","5","7","2","2","1") = "6"
    & skf21("7","2","1","5","7","2","3","1") = "6"
    & skf21("7","2","1","5","7","2","4","1") = "6"
    & skf21("7","2","1","5","7","2","5","1") = "6"
    & skf21("7","2","1","5","7","2","6","1") = "6"
    & skf21("7","2","1","5","7","2","7","1") = "6"
    & skf21("7","2","1","5","7","3","1","1") = "6"
    & skf21("7","2","1","5","7","3","2","1") = "6"
    & skf21("7","2","1","5","7","3","3","1") = "6"
    & skf21("7","2","1","5","7","3","4","1") = "6"
    & skf21("7","2","1","5","7","3","5","1") = "6"
    & skf21("7","2","1","5","7","3","6","1") = "6"
    & skf21("7","2","1","5","7","3","7","1") = "6"
    & skf21("7","2","1","5","7","4","1","1") = "6"
    & skf21("7","2","1","5","7","4","2","1") = "6"
    & skf21("7","2","1","5","7","4","3","1") = "6"
    & skf21("7","2","1","5","7","4","4","1") = "6"
    & skf21("7","2","1","5","7","4","5","1") = "6"
    & skf21("7","2","1","5","7","4","6","1") = "6"
    & skf21("7","2","1","5","7","4","7","1") = "6"
    & skf21("7","2","1","5","7","5","1","1") = "6"
    & skf21("7","2","1","5","7","5","2","1") = "6"
    & skf21("7","2","1","5","7","5","3","1") = "6"
    & skf21("7","2","1","5","7","5","4","1") = "6"
    & skf21("7","2","1","5","7","5","5","1") = "6"
    & skf21("7","2","1","5","7","5","6","1") = "6"
    & skf21("7","2","1","5","7","5","7","1") = "6"
    & skf21("7","2","1","5","7","6","1","1") = "6"
    & skf21("7","2","1","5","7","6","2","1") = "6"
    & skf21("7","2","1","5","7","6","3","1") = "6"
    & skf21("7","2","1","5","7","6","4","1") = "6"
    & skf21("7","2","1","5","7","6","5","1") = "6"
    & skf21("7","2","1","5","7","6","6","1") = "6"
    & skf21("7","2","1","5","7","6","7","1") = "6"
    & skf21("7","2","1","5","7","7","1","1") = "6"
    & skf21("7","2","1","5","7","7","2","1") = "6"
    & skf21("7","2","1","5","7","7","3","1") = "6"
    & skf21("7","2","1","5","7","7","4","1") = "6"
    & skf21("7","2","1","5","7","7","5","1") = "6"
    & skf21("7","2","1","5","7","7","6","1") = "6"
    & skf21("7","2","1","5","7","7","7","1") = "6"
    & skf21("7","2","1","6","1","1","1","1") = "6"
    & skf21("7","2","1","6","1","1","2","1") = "6"
    & skf21("7","2","1","6","1","1","3","1") = "6"
    & skf21("7","2","1","6","1","1","4","1") = "6"
    & skf21("7","2","1","6","1","1","5","1") = "6"
    & skf21("7","2","1","6","1","1","6","1") = "6"
    & skf21("7","2","1","6","1","1","7","1") = "6"
    & skf21("7","2","1","6","1","2","1","1") = "6"
    & skf21("7","2","1","6","1","2","2","1") = "6"
    & skf21("7","2","1","6","1","2","3","1") = "6"
    & skf21("7","2","1","6","1","2","4","1") = "6"
    & skf21("7","2","1","6","1","2","5","1") = "6"
    & skf21("7","2","1","6","1","2","6","1") = "6"
    & skf21("7","2","1","6","1","2","7","1") = "6"
    & skf21("7","2","1","6","1","3","1","1") = "6"
    & skf21("7","2","1","6","1","3","2","1") = "6"
    & skf21("7","2","1","6","1","3","3","1") = "6"
    & skf21("7","2","1","6","1","3","4","1") = "6"
    & skf21("7","2","1","6","1","3","5","1") = "6"
    & skf21("7","2","1","6","1","3","6","1") = "6"
    & skf21("7","2","1","6","1","3","7","1") = "6"
    & skf21("7","2","1","6","1","4","1","1") = "6"
    & skf21("7","2","1","6","1","4","2","1") = "6"
    & skf21("7","2","1","6","1","4","3","1") = "6"
    & skf21("7","2","1","6","1","4","4","1") = "6"
    & skf21("7","2","1","6","1","4","5","1") = "6"
    & skf21("7","2","1","6","1","4","6","1") = "6"
    & skf21("7","2","1","6","1","4","7","1") = "6"
    & skf21("7","2","1","6","1","5","1","1") = "6"
    & skf21("7","2","1","6","1","5","2","1") = "6"
    & skf21("7","2","1","6","1","5","3","1") = "6"
    & skf21("7","2","1","6","1","5","4","1") = "6"
    & skf21("7","2","1","6","1","5","5","1") = "6"
    & skf21("7","2","1","6","1","5","6","1") = "6"
    & skf21("7","2","1","6","1","5","7","1") = "6"
    & skf21("7","2","1","6","1","6","1","1") = "6"
    & skf21("7","2","1","6","1","6","2","1") = "6"
    & skf21("7","2","1","6","1","6","3","1") = "6"
    & skf21("7","2","1","6","1","6","4","1") = "6"
    & skf21("7","2","1","6","1","6","5","1") = "6"
    & skf21("7","2","1","6","1","6","6","1") = "6"
    & skf21("7","2","1","6","1","6","7","1") = "6"
    & skf21("7","2","1","6","1","7","1","1") = "6"
    & skf21("7","2","1","6","1","7","2","1") = "6"
    & skf21("7","2","1","6","1","7","3","1") = "6"
    & skf21("7","2","1","6","1","7","4","1") = "6"
    & skf21("7","2","1","6","1","7","5","1") = "6"
    & skf21("7","2","1","6","1","7","6","1") = "6"
    & skf21("7","2","1","6","1","7","7","1") = "6"
    & skf21("7","2","1","6","2","1","1","1") = "6"
    & skf21("7","2","1","6","2","1","2","1") = "6"
    & skf21("7","2","1","6","2","1","3","1") = "6"
    & skf21("7","2","1","6","2","1","4","1") = "6"
    & skf21("7","2","1","6","2","1","5","1") = "6"
    & skf21("7","2","1","6","2","1","6","1") = "6"
    & skf21("7","2","1","6","2","1","7","1") = "6"
    & skf21("7","2","1","6","2","2","1","1") = "6"
    & skf21("7","2","1","6","2","2","2","1") = "6"
    & skf21("7","2","1","6","2","2","3","1") = "6"
    & skf21("7","2","1","6","2","2","4","1") = "6"
    & skf21("7","2","1","6","2","2","5","1") = "6"
    & skf21("7","2","1","6","2","2","6","1") = "6"
    & skf21("7","2","1","6","2","2","7","1") = "6"
    & skf21("7","2","1","6","2","3","1","1") = "6"
    & skf21("7","2","1","6","2","3","2","1") = "6"
    & skf21("7","2","1","6","2","3","3","1") = "6"
    & skf21("7","2","1","6","2","3","4","1") = "6"
    & skf21("7","2","1","6","2","3","5","1") = "6"
    & skf21("7","2","1","6","2","3","6","1") = "6"
    & skf21("7","2","1","6","2","3","7","1") = "6"
    & skf21("7","2","1","6","2","4","1","1") = "6"
    & skf21("7","2","1","6","2","4","2","1") = "6"
    & skf21("7","2","1","6","2","4","3","1") = "6"
    & skf21("7","2","1","6","2","4","4","1") = "6"
    & skf21("7","2","1","6","2","4","5","1") = "6"
    & skf21("7","2","1","6","2","4","6","1") = "6"
    & skf21("7","2","1","6","2","4","7","1") = "6"
    & skf21("7","2","1","6","2","5","1","1") = "6"
    & skf21("7","2","1","6","2","5","2","1") = "6"
    & skf21("7","2","1","6","2","5","3","1") = "6"
    & skf21("7","2","1","6","2","5","4","1") = "6"
    & skf21("7","2","1","6","2","5","5","1") = "6"
    & skf21("7","2","1","6","2","5","6","1") = "6"
    & skf21("7","2","1","6","2","5","7","1") = "6"
    & skf21("7","2","1","6","2","6","1","1") = "6"
    & skf21("7","2","1","6","2","6","2","1") = "6"
    & skf21("7","2","1","6","2","6","3","1") = "6"
    & skf21("7","2","1","6","2","6","4","1") = "6"
    & skf21("7","2","1","6","2","6","5","1") = "6"
    & skf21("7","2","1","6","2","6","6","1") = "6"
    & skf21("7","2","1","6","2","6","7","1") = "6"
    & skf21("7","2","1","6","2","7","1","1") = "6"
    & skf21("7","2","1","6","2","7","2","1") = "6"
    & skf21("7","2","1","6","2","7","3","1") = "6"
    & skf21("7","2","1","6","2","7","4","1") = "6"
    & skf21("7","2","1","6","2","7","5","1") = "6"
    & skf21("7","2","1","6","2","7","6","1") = "6"
    & skf21("7","2","1","6","2","7","7","1") = "6"
    & skf21("7","2","1","6","3","1","1","1") = "6"
    & skf21("7","2","1","6","3","1","2","1") = "6"
    & skf21("7","2","1","6","3","1","3","1") = "6"
    & skf21("7","2","1","6","3","1","4","1") = "6"
    & skf21("7","2","1","6","3","1","5","1") = "6"
    & skf21("7","2","1","6","3","1","6","1") = "6"
    & skf21("7","2","1","6","3","1","7","1") = "6"
    & skf21("7","2","1","6","3","2","1","1") = "6"
    & skf21("7","2","1","6","3","2","2","1") = "6"
    & skf21("7","2","1","6","3","2","3","1") = "6"
    & skf21("7","2","1","6","3","2","4","1") = "6"
    & skf21("7","2","1","6","3","2","5","1") = "6"
    & skf21("7","2","1","6","3","2","6","1") = "6"
    & skf21("7","2","1","6","3","2","7","1") = "6"
    & skf21("7","2","1","6","3","3","1","1") = "6"
    & skf21("7","2","1","6","3","3","2","1") = "6"
    & skf21("7","2","1","6","3","3","3","1") = "6"
    & skf21("7","2","1","6","3","3","4","1") = "6"
    & skf21("7","2","1","6","3","3","5","1") = "6"
    & skf21("7","2","1","6","3","3","6","1") = "6"
    & skf21("7","2","1","6","3","3","7","1") = "6"
    & skf21("7","2","1","6","3","4","1","1") = "6"
    & skf21("7","2","1","6","3","4","2","1") = "6"
    & skf21("7","2","1","6","3","4","3","1") = "6"
    & skf21("7","2","1","6","3","4","4","1") = "6"
    & skf21("7","2","1","6","3","4","5","1") = "6"
    & skf21("7","2","1","6","3","4","6","1") = "6"
    & skf21("7","2","1","6","3","4","7","1") = "6"
    & skf21("7","2","1","6","3","5","1","1") = "6"
    & skf21("7","2","1","6","3","5","2","1") = "6"
    & skf21("7","2","1","6","3","5","3","1") = "6"
    & skf21("7","2","1","6","3","5","4","1") = "6"
    & skf21("7","2","1","6","3","5","5","1") = "6"
    & skf21("7","2","1","6","3","5","6","1") = "6"
    & skf21("7","2","1","6","3","5","7","1") = "6"
    & skf21("7","2","1","6","3","6","1","1") = "6"
    & skf21("7","2","1","6","3","6","2","1") = "6"
    & skf21("7","2","1","6","3","6","3","1") = "6"
    & skf21("7","2","1","6","3","6","4","1") = "6"
    & skf21("7","2","1","6","3","6","5","1") = "6"
    & skf21("7","2","1","6","3","6","6","1") = "6"
    & skf21("7","2","1","6","3","6","7","1") = "6"
    & skf21("7","2","1","6","3","7","1","1") = "6"
    & skf21("7","2","1","6","3","7","2","1") = "6"
    & skf21("7","2","1","6","3","7","3","1") = "6"
    & skf21("7","2","1","6","3","7","4","1") = "6"
    & skf21("7","2","1","6","3","7","5","1") = "6"
    & skf21("7","2","1","6","3","7","6","1") = "6"
    & skf21("7","2","1","6","3","7","7","1") = "6"
    & skf21("7","2","1","6","4","1","1","1") = "6"
    & skf21("7","2","1","6","4","1","2","1") = "6"
    & skf21("7","2","1","6","4","1","3","1") = "6"
    & skf21("7","2","1","6","4","1","4","1") = "6"
    & skf21("7","2","1","6","4","1","5","1") = "6"
    & skf21("7","2","1","6","4","1","6","1") = "6"
    & skf21("7","2","1","6","4","1","7","1") = "6"
    & skf21("7","2","1","6","4","2","1","1") = "6"
    & skf21("7","2","1","6","4","2","2","1") = "6"
    & skf21("7","2","1","6","4","2","3","1") = "6"
    & skf21("7","2","1","6","4","2","4","1") = "6"
    & skf21("7","2","1","6","4","2","5","1") = "6"
    & skf21("7","2","1","6","4","2","6","1") = "6"
    & skf21("7","2","1","6","4","2","7","1") = "6"
    & skf21("7","2","1","6","4","3","1","1") = "6"
    & skf21("7","2","1","6","4","3","2","1") = "6"
    & skf21("7","2","1","6","4","3","3","1") = "6"
    & skf21("7","2","1","6","4","3","4","1") = "6"
    & skf21("7","2","1","6","4","3","5","1") = "6"
    & skf21("7","2","1","6","4","3","6","1") = "6"
    & skf21("7","2","1","6","4","3","7","1") = "6"
    & skf21("7","2","1","6","4","4","1","1") = "6"
    & skf21("7","2","1","6","4","4","2","1") = "6"
    & skf21("7","2","1","6","4","4","3","1") = "6"
    & skf21("7","2","1","6","4","4","4","1") = "6"
    & skf21("7","2","1","6","4","4","5","1") = "6"
    & skf21("7","2","1","6","4","4","6","1") = "6"
    & skf21("7","2","1","6","4","4","7","1") = "6"
    & skf21("7","2","1","6","4","5","1","1") = "6"
    & skf21("7","2","1","6","4","5","2","1") = "6"
    & skf21("7","2","1","6","4","5","3","1") = "6"
    & skf21("7","2","1","6","4","5","4","1") = "6"
    & skf21("7","2","1","6","4","5","5","1") = "6"
    & skf21("7","2","1","6","4","5","6","1") = "6"
    & skf21("7","2","1","6","4","5","7","1") = "6"
    & skf21("7","2","1","6","4","6","1","1") = "6"
    & skf21("7","2","1","6","4","6","2","1") = "6"
    & skf21("7","2","1","6","4","6","3","1") = "6"
    & skf21("7","2","1","6","4","6","4","1") = "6"
    & skf21("7","2","1","6","4","6","5","1") = "6"
    & skf21("7","2","1","6","4","6","6","1") = "6"
    & skf21("7","2","1","6","4","6","7","1") = "6"
    & skf21("7","2","1","6","4","7","1","1") = "6"
    & skf21("7","2","1","6","4","7","2","1") = "6"
    & skf21("7","2","1","6","4","7","3","1") = "6"
    & skf21("7","2","1","6","4","7","4","1") = "6"
    & skf21("7","2","1","6","4","7","5","1") = "6"
    & skf21("7","2","1","6","4","7","6","1") = "6"
    & skf21("7","2","1","6","4","7","7","1") = "6"
    & skf21("7","2","1","6","5","1","1","1") = "6"
    & skf21("7","2","1","6","5","1","2","1") = "6"
    & skf21("7","2","1","6","5","1","3","1") = "6"
    & skf21("7","2","1","6","5","1","4","1") = "6"
    & skf21("7","2","1","6","5","1","5","1") = "6"
    & skf21("7","2","1","6","5","1","6","1") = "6"
    & skf21("7","2","1","6","5","1","7","1") = "6"
    & skf21("7","2","1","6","5","2","1","1") = "6"
    & skf21("7","2","1","6","5","2","2","1") = "6"
    & skf21("7","2","1","6","5","2","3","1") = "6"
    & skf21("7","2","1","6","5","2","4","1") = "6"
    & skf21("7","2","1","6","5","2","5","1") = "6"
    & skf21("7","2","1","6","5","2","6","1") = "6"
    & skf21("7","2","1","6","5","2","7","1") = "6"
    & skf21("7","2","1","6","5","3","1","1") = "6"
    & skf21("7","2","1","6","5","3","2","1") = "6"
    & skf21("7","2","1","6","5","3","3","1") = "6"
    & skf21("7","2","1","6","5","3","4","1") = "6"
    & skf21("7","2","1","6","5","3","5","1") = "6"
    & skf21("7","2","1","6","5","3","6","1") = "6"
    & skf21("7","2","1","6","5","3","7","1") = "6"
    & skf21("7","2","1","6","5","4","1","1") = "6"
    & skf21("7","2","1","6","5","4","2","1") = "6"
    & skf21("7","2","1","6","5","4","3","1") = "6"
    & skf21("7","2","1","6","5","4","4","1") = "6"
    & skf21("7","2","1","6","5","4","5","1") = "6"
    & skf21("7","2","1","6","5","4","6","1") = "6"
    & skf21("7","2","1","6","5","4","7","1") = "6"
    & skf21("7","2","1","6","5","5","1","1") = "6"
    & skf21("7","2","1","6","5","5","2","1") = "6"
    & skf21("7","2","1","6","5","5","3","1") = "6"
    & skf21("7","2","1","6","5","5","4","1") = "6"
    & skf21("7","2","1","6","5","5","5","1") = "6"
    & skf21("7","2","1","6","5","5","6","1") = "6"
    & skf21("7","2","1","6","5","5","7","1") = "6"
    & skf21("7","2","1","6","5","6","1","1") = "6"
    & skf21("7","2","1","6","5","6","2","1") = "6"
    & skf21("7","2","1","6","5","6","3","1") = "6"
    & skf21("7","2","1","6","5","6","4","1") = "6"
    & skf21("7","2","1","6","5","6","5","1") = "6"
    & skf21("7","2","1","6","5","6","6","1") = "6"
    & skf21("7","2","1","6","5","6","7","1") = "6"
    & skf21("7","2","1","6","5","7","1","1") = "6"
    & skf21("7","2","1","6","5","7","2","1") = "6"
    & skf21("7","2","1","6","5","7","3","1") = "6"
    & skf21("7","2","1","6","5","7","4","1") = "6"
    & skf21("7","2","1","6","5","7","5","1") = "6"
    & skf21("7","2","1","6","5","7","6","1") = "6"
    & skf21("7","2","1","6","5","7","7","1") = "6"
    & skf21("7","2","1","6","6","1","1","1") = "6"
    & skf21("7","2","1","6","6","1","2","1") = "6"
    & skf21("7","2","1","6","6","1","3","1") = "6"
    & skf21("7","2","1","6","6","1","4","1") = "6"
    & skf21("7","2","1","6","6","1","5","1") = "6"
    & skf21("7","2","1","6","6","1","6","1") = "6"
    & skf21("7","2","1","6","6","1","7","1") = "6"
    & skf21("7","2","1","6","6","2","1","1") = "6"
    & skf21("7","2","1","6","6","2","2","1") = "6"
    & skf21("7","2","1","6","6","2","3","1") = "6"
    & skf21("7","2","1","6","6","2","4","1") = "6"
    & skf21("7","2","1","6","6","2","5","1") = "6"
    & skf21("7","2","1","6","6","2","6","1") = "6"
    & skf21("7","2","1","6","6","2","7","1") = "6"
    & skf21("7","2","1","6","6","3","1","1") = "6"
    & skf21("7","2","1","6","6","3","2","1") = "6"
    & skf21("7","2","1","6","6","3","3","1") = "6"
    & skf21("7","2","1","6","6","3","4","1") = "6"
    & skf21("7","2","1","6","6","3","5","1") = "6"
    & skf21("7","2","1","6","6","3","6","1") = "6"
    & skf21("7","2","1","6","6","3","7","1") = "6"
    & skf21("7","2","1","6","6","4","1","1") = "6"
    & skf21("7","2","1","6","6","4","2","1") = "6"
    & skf21("7","2","1","6","6","4","3","1") = "6"
    & skf21("7","2","1","6","6","4","4","1") = "6"
    & skf21("7","2","1","6","6","4","5","1") = "6"
    & skf21("7","2","1","6","6","4","6","1") = "6"
    & skf21("7","2","1","6","6","4","7","1") = "6"
    & skf21("7","2","1","6","6","5","1","1") = "6"
    & skf21("7","2","1","6","6","5","2","1") = "6"
    & skf21("7","2","1","6","6","5","3","1") = "6"
    & skf21("7","2","1","6","6","5","4","1") = "6"
    & skf21("7","2","1","6","6","5","5","1") = "6"
    & skf21("7","2","1","6","6","5","6","1") = "6"
    & skf21("7","2","1","6","6","5","7","1") = "6"
    & skf21("7","2","1","6","6","6","1","1") = "6"
    & skf21("7","2","1","6","6","6","2","1") = "6"
    & skf21("7","2","1","6","6","6","3","1") = "6"
    & skf21("7","2","1","6","6","6","4","1") = "6"
    & skf21("7","2","1","6","6","6","5","1") = "6"
    & skf21("7","2","1","6","6","6","6","1") = "6"
    & skf21("7","2","1","6","6","6","7","1") = "6"
    & skf21("7","2","1","6","6","7","1","1") = "6"
    & skf21("7","2","1","6","6","7","2","1") = "6"
    & skf21("7","2","1","6","6","7","3","1") = "6"
    & skf21("7","2","1","6","6","7","4","1") = "6"
    & skf21("7","2","1","6","6","7","5","1") = "6"
    & skf21("7","2","1","6","6","7","6","1") = "6"
    & skf21("7","2","1","6","6","7","7","1") = "6"
    & skf21("7","2","1","6","7","1","1","1") = "6"
    & skf21("7","2","1","6","7","1","2","1") = "6"
    & skf21("7","2","1","6","7","1","3","1") = "6"
    & skf21("7","2","1","6","7","1","4","1") = "6"
    & skf21("7","2","1","6","7","1","5","1") = "6"
    & skf21("7","2","1","6","7","1","6","1") = "6"
    & skf21("7","2","1","6","7","1","7","1") = "6"
    & skf21("7","2","1","6","7","2","1","1") = "6"
    & skf21("7","2","1","6","7","2","2","1") = "6"
    & skf21("7","2","1","6","7","2","3","1") = "6"
    & skf21("7","2","1","6","7","2","4","1") = "6"
    & skf21("7","2","1","6","7","2","5","1") = "6"
    & skf21("7","2","1","6","7","2","6","1") = "6"
    & skf21("7","2","1","6","7","2","7","1") = "6"
    & skf21("7","2","1","6","7","3","1","1") = "6"
    & skf21("7","2","1","6","7","3","2","1") = "6"
    & skf21("7","2","1","6","7","3","3","1") = "6"
    & skf21("7","2","1","6","7","3","4","1") = "6"
    & skf21("7","2","1","6","7","3","5","1") = "6"
    & skf21("7","2","1","6","7","3","6","1") = "6"
    & skf21("7","2","1","6","7","3","7","1") = "6"
    & skf21("7","2","1","6","7","4","1","1") = "6"
    & skf21("7","2","1","6","7","4","2","1") = "6"
    & skf21("7","2","1","6","7","4","3","1") = "6"
    & skf21("7","2","1","6","7","4","4","1") = "6"
    & skf21("7","2","1","6","7","4","5","1") = "6"
    & skf21("7","2","1","6","7","4","6","1") = "6"
    & skf21("7","2","1","6","7","4","7","1") = "6"
    & skf21("7","2","1","6","7","5","1","1") = "6"
    & skf21("7","2","1","6","7","5","2","1") = "6"
    & skf21("7","2","1","6","7","5","3","1") = "6"
    & skf21("7","2","1","6","7","5","4","1") = "6"
    & skf21("7","2","1","6","7","5","5","1") = "6"
    & skf21("7","2","1","6","7","5","6","1") = "6"
    & skf21("7","2","1","6","7","5","7","1") = "6"
    & skf21("7","2","1","6","7","6","1","1") = "6"
    & skf21("7","2","1","6","7","6","2","1") = "6"
    & skf21("7","2","1","6","7","6","3","1") = "6"
    & skf21("7","2","1","6","7","6","4","1") = "6"
    & skf21("7","2","1","6","7","6","5","1") = "6"
    & skf21("7","2","1","6","7","6","6","1") = "6"
    & skf21("7","2","1","6","7","6","7","1") = "6"
    & skf21("7","2","1","6","7","7","1","1") = "6"
    & skf21("7","2","1","6","7","7","2","1") = "6"
    & skf21("7","2","1","6","7","7","3","1") = "6"
    & skf21("7","2","1","6","7","7","4","1") = "6"
    & skf21("7","2","1","6","7","7","5","1") = "6"
    & skf21("7","2","1","6","7","7","6","1") = "6"
    & skf21("7","2","1","6","7","7","7","1") = "6"
    & skf21("7","2","1","7","1","1","1","1") = "6"
    & skf21("7","2","1","7","1","1","2","1") = "6"
    & skf21("7","2","1","7","1","1","3","1") = "6"
    & skf21("7","2","1","7","1","1","4","1") = "6"
    & skf21("7","2","1","7","1","1","5","1") = "6"
    & skf21("7","2","1","7","1","1","6","1") = "6"
    & skf21("7","2","1","7","1","1","7","1") = "6"
    & skf21("7","2","1","7","1","2","1","1") = "6"
    & skf21("7","2","1","7","1","2","2","1") = "6"
    & skf21("7","2","1","7","1","2","3","1") = "6"
    & skf21("7","2","1","7","1","2","4","1") = "6"
    & skf21("7","2","1","7","1","2","5","1") = "6"
    & skf21("7","2","1","7","1","2","6","1") = "6"
    & skf21("7","2","1","7","1","2","7","1") = "6"
    & skf21("7","2","1","7","1","3","1","1") = "6"
    & skf21("7","2","1","7","1","3","2","1") = "6"
    & skf21("7","2","1","7","1","3","3","1") = "6"
    & skf21("7","2","1","7","1","3","4","1") = "6"
    & skf21("7","2","1","7","1","3","5","1") = "6"
    & skf21("7","2","1","7","1","3","6","1") = "6"
    & skf21("7","2","1","7","1","3","7","1") = "6"
    & skf21("7","2","1","7","1","4","1","1") = "6"
    & skf21("7","2","1","7","1","4","2","1") = "6"
    & skf21("7","2","1","7","1","4","3","1") = "6"
    & skf21("7","2","1","7","1","4","4","1") = "6"
    & skf21("7","2","1","7","1","4","5","1") = "6"
    & skf21("7","2","1","7","1","4","6","1") = "6"
    & skf21("7","2","1","7","1","4","7","1") = "6"
    & skf21("7","2","1","7","1","5","1","1") = "6"
    & skf21("7","2","1","7","1","5","2","1") = "6"
    & skf21("7","2","1","7","1","5","3","1") = "6"
    & skf21("7","2","1","7","1","5","4","1") = "6"
    & skf21("7","2","1","7","1","5","5","1") = "6"
    & skf21("7","2","1","7","1","5","6","1") = "6"
    & skf21("7","2","1","7","1","5","7","1") = "6"
    & skf21("7","2","1","7","1","6","1","1") = "6"
    & skf21("7","2","1","7","1","6","2","1") = "6"
    & skf21("7","2","1","7","1","6","3","1") = "6"
    & skf21("7","2","1","7","1","6","4","1") = "6"
    & skf21("7","2","1","7","1","6","5","1") = "6"
    & skf21("7","2","1","7","1","6","6","1") = "6"
    & skf21("7","2","1","7","1","6","7","1") = "6"
    & skf21("7","2","1","7","1","7","1","1") = "6"
    & skf21("7","2","1","7","1","7","2","1") = "6"
    & skf21("7","2","1","7","1","7","3","1") = "6"
    & skf21("7","2","1","7","1","7","4","1") = "6"
    & skf21("7","2","1","7","1","7","5","1") = "6"
    & skf21("7","2","1","7","1","7","6","1") = "6"
    & skf21("7","2","1","7","1","7","7","1") = "6"
    & skf21("7","2","1","7","2","1","1","1") = "6"
    & skf21("7","2","1","7","2","1","2","1") = "6"
    & skf21("7","2","1","7","2","1","3","1") = "6"
    & skf21("7","2","1","7","2","1","4","1") = "6"
    & skf21("7","2","1","7","2","1","5","1") = "6"
    & skf21("7","2","1","7","2","1","6","1") = "6"
    & skf21("7","2","1","7","2","1","7","1") = "6"
    & skf21("7","2","1","7","2","2","1","1") = "6"
    & skf21("7","2","1","7","2","2","2","1") = "6"
    & skf21("7","2","1","7","2","2","3","1") = "6"
    & skf21("7","2","1","7","2","2","4","1") = "6"
    & skf21("7","2","1","7","2","2","5","1") = "6"
    & skf21("7","2","1","7","2","2","6","1") = "6"
    & skf21("7","2","1","7","2","2","7","1") = "6"
    & skf21("7","2","1","7","2","3","1","1") = "6"
    & skf21("7","2","1","7","2","3","2","1") = "6"
    & skf21("7","2","1","7","2","3","3","1") = "6"
    & skf21("7","2","1","7","2","3","4","1") = "6"
    & skf21("7","2","1","7","2","3","5","1") = "6"
    & skf21("7","2","1","7","2","3","6","1") = "6"
    & skf21("7","2","1","7","2","3","7","1") = "6"
    & skf21("7","2","1","7","2","4","1","1") = "6"
    & skf21("7","2","1","7","2","4","2","1") = "6"
    & skf21("7","2","1","7","2","4","3","1") = "6"
    & skf21("7","2","1","7","2","4","4","1") = "6"
    & skf21("7","2","1","7","2","4","5","1") = "6"
    & skf21("7","2","1","7","2","4","6","1") = "6"
    & skf21("7","2","1","7","2","4","7","1") = "6"
    & skf21("7","2","1","7","2","5","1","1") = "6"
    & skf21("7","2","1","7","2","5","2","1") = "6"
    & skf21("7","2","1","7","2","5","3","1") = "6"
    & skf21("7","2","1","7","2","5","4","1") = "6"
    & skf21("7","2","1","7","2","5","5","1") = "6"
    & skf21("7","2","1","7","2","5","6","1") = "6"
    & skf21("7","2","1","7","2","5","7","1") = "6"
    & skf21("7","2","1","7","2","6","1","1") = "6"
    & skf21("7","2","1","7","2","6","2","1") = "6"
    & skf21("7","2","1","7","2","6","3","1") = "6"
    & skf21("7","2","1","7","2","6","4","1") = "6"
    & skf21("7","2","1","7","2","6","5","1") = "6"
    & skf21("7","2","1","7","2","6","6","1") = "6"
    & skf21("7","2","1","7","2","6","7","1") = "6"
    & skf21("7","2","1","7","2","7","1","1") = "6"
    & skf21("7","2","1","7","2","7","2","1") = "6"
    & skf21("7","2","1","7","2","7","3","1") = "6"
    & skf21("7","2","1","7","2","7","4","1") = "6"
    & skf21("7","2","1","7","2","7","5","1") = "6"
    & skf21("7","2","1","7","2","7","6","1") = "6"
    & skf21("7","2","1","7","2","7","7","1") = "6"
    & skf21("7","2","1","7","3","1","1","1") = "6"
    & skf21("7","2","1","7","3","1","2","1") = "6"
    & skf21("7","2","1","7","3","1","3","1") = "6"
    & skf21("7","2","1","7","3","1","4","1") = "6"
    & skf21("7","2","1","7","3","1","5","1") = "6"
    & skf21("7","2","1","7","3","1","6","1") = "6"
    & skf21("7","2","1","7","3","1","7","1") = "6"
    & skf21("7","2","1","7","3","2","1","1") = "6"
    & skf21("7","2","1","7","3","2","2","1") = "6"
    & skf21("7","2","1","7","3","2","3","1") = "6"
    & skf21("7","2","1","7","3","2","4","1") = "6"
    & skf21("7","2","1","7","3","2","5","1") = "6"
    & skf21("7","2","1","7","3","2","6","1") = "6"
    & skf21("7","2","1","7","3","2","7","1") = "6"
    & skf21("7","2","1","7","3","3","1","1") = "6"
    & skf21("7","2","1","7","3","3","2","1") = "6"
    & skf21("7","2","1","7","3","3","3","1") = "6"
    & skf21("7","2","1","7","3","3","4","1") = "6"
    & skf21("7","2","1","7","3","3","5","1") = "6"
    & skf21("7","2","1","7","3","3","6","1") = "6"
    & skf21("7","2","1","7","3","3","7","1") = "6"
    & skf21("7","2","1","7","3","4","1","1") = "6"
    & skf21("7","2","1","7","3","4","2","1") = "6"
    & skf21("7","2","1","7","3","4","3","1") = "6"
    & skf21("7","2","1","7","3","4","4","1") = "6"
    & skf21("7","2","1","7","3","4","5","1") = "6"
    & skf21("7","2","1","7","3","4","6","1") = "6"
    & skf21("7","2","1","7","3","4","7","1") = "6"
    & skf21("7","2","1","7","3","5","1","1") = "6"
    & skf21("7","2","1","7","3","5","2","1") = "6"
    & skf21("7","2","1","7","3","5","3","1") = "6"
    & skf21("7","2","1","7","3","5","4","1") = "6"
    & skf21("7","2","1","7","3","5","5","1") = "6"
    & skf21("7","2","1","7","3","5","6","1") = "6"
    & skf21("7","2","1","7","3","5","7","1") = "6"
    & skf21("7","2","1","7","3","6","1","1") = "6"
    & skf21("7","2","1","7","3","6","2","1") = "6"
    & skf21("7","2","1","7","3","6","3","1") = "6"
    & skf21("7","2","1","7","3","6","4","1") = "6"
    & skf21("7","2","1","7","3","6","5","1") = "6"
    & skf21("7","2","1","7","3","6","6","1") = "6"
    & skf21("7","2","1","7","3","6","7","1") = "6"
    & skf21("7","2","1","7","3","7","1","1") = "6"
    & skf21("7","2","1","7","3","7","2","1") = "6"
    & skf21("7","2","1","7","3","7","3","1") = "6"
    & skf21("7","2","1","7","3","7","4","1") = "6"
    & skf21("7","2","1","7","3","7","5","1") = "6"
    & skf21("7","2","1","7","3","7","6","1") = "6"
    & skf21("7","2","1","7","3","7","7","1") = "6"
    & skf21("7","2","1","7","4","1","1","1") = "6"
    & skf21("7","2","1","7","4","1","2","1") = "6"
    & skf21("7","2","1","7","4","1","3","1") = "6"
    & skf21("7","2","1","7","4","1","4","1") = "6"
    & skf21("7","2","1","7","4","1","5","1") = "6"
    & skf21("7","2","1","7","4","1","6","1") = "6"
    & skf21("7","2","1","7","4","1","7","1") = "6"
    & skf21("7","2","1","7","4","2","1","1") = "6"
    & skf21("7","2","1","7","4","2","2","1") = "6"
    & skf21("7","2","1","7","4","2","3","1") = "6"
    & skf21("7","2","1","7","4","2","4","1") = "6"
    & skf21("7","2","1","7","4","2","5","1") = "6"
    & skf21("7","2","1","7","4","2","6","1") = "6"
    & skf21("7","2","1","7","4","2","7","1") = "6"
    & skf21("7","2","1","7","4","3","1","1") = "6"
    & skf21("7","2","1","7","4","3","2","1") = "6"
    & skf21("7","2","1","7","4","3","3","1") = "6"
    & skf21("7","2","1","7","4","3","4","1") = "6"
    & skf21("7","2","1","7","4","3","5","1") = "6"
    & skf21("7","2","1","7","4","3","6","1") = "6"
    & skf21("7","2","1","7","4","3","7","1") = "6"
    & skf21("7","2","1","7","4","4","1","1") = "6"
    & skf21("7","2","1","7","4","4","2","1") = "6"
    & skf21("7","2","1","7","4","4","3","1") = "6"
    & skf21("7","2","1","7","4","4","4","1") = "6"
    & skf21("7","2","1","7","4","4","5","1") = "6"
    & skf21("7","2","1","7","4","4","6","1") = "6"
    & skf21("7","2","1","7","4","4","7","1") = "6"
    & skf21("7","2","1","7","4","5","1","1") = "6"
    & skf21("7","2","1","7","4","5","2","1") = "6"
    & skf21("7","2","1","7","4","5","3","1") = "6"
    & skf21("7","2","1","7","4","5","4","1") = "6"
    & skf21("7","2","1","7","4","5","5","1") = "6"
    & skf21("7","2","1","7","4","5","6","1") = "6"
    & skf21("7","2","1","7","4","5","7","1") = "6"
    & skf21("7","2","1","7","4","6","1","1") = "6"
    & skf21("7","2","1","7","4","6","2","1") = "6"
    & skf21("7","2","1","7","4","6","3","1") = "6"
    & skf21("7","2","1","7","4","6","4","1") = "6"
    & skf21("7","2","1","7","4","6","5","1") = "6"
    & skf21("7","2","1","7","4","6","6","1") = "6"
    & skf21("7","2","1","7","4","6","7","1") = "6"
    & skf21("7","2","1","7","4","7","1","1") = "6"
    & skf21("7","2","1","7","4","7","2","1") = "6"
    & skf21("7","2","1","7","4","7","3","1") = "6"
    & skf21("7","2","1","7","4","7","4","1") = "6"
    & skf21("7","2","1","7","4","7","5","1") = "6"
    & skf21("7","2","1","7","4","7","6","1") = "6"
    & skf21("7","2","1","7","4","7","7","1") = "6"
    & skf21("7","2","1","7","5","1","1","1") = "6"
    & skf21("7","2","1","7","5","1","2","1") = "6"
    & skf21("7","2","1","7","5","1","3","1") = "6"
    & skf21("7","2","1","7","5","1","4","1") = "6"
    & skf21("7","2","1","7","5","1","5","1") = "6"
    & skf21("7","2","1","7","5","1","6","1") = "6"
    & skf21("7","2","1","7","5","1","7","1") = "6"
    & skf21("7","2","1","7","5","2","1","1") = "6"
    & skf21("7","2","1","7","5","2","2","1") = "6"
    & skf21("7","2","1","7","5","2","3","1") = "6"
    & skf21("7","2","1","7","5","2","4","1") = "6"
    & skf21("7","2","1","7","5","2","5","1") = "6"
    & skf21("7","2","1","7","5","2","6","1") = "6"
    & skf21("7","2","1","7","5","2","7","1") = "6"
    & skf21("7","2","1","7","5","3","1","1") = "6"
    & skf21("7","2","1","7","5","3","2","1") = "6"
    & skf21("7","2","1","7","5","3","3","1") = "6"
    & skf21("7","2","1","7","5","3","4","1") = "6"
    & skf21("7","2","1","7","5","3","5","1") = "6"
    & skf21("7","2","1","7","5","3","6","1") = "6"
    & skf21("7","2","1","7","5","3","7","1") = "6"
    & skf21("7","2","1","7","5","4","1","1") = "6"
    & skf21("7","2","1","7","5","4","2","1") = "6"
    & skf21("7","2","1","7","5","4","3","1") = "6"
    & skf21("7","2","1","7","5","4","4","1") = "6"
    & skf21("7","2","1","7","5","4","5","1") = "6"
    & skf21("7","2","1","7","5","4","6","1") = "6"
    & skf21("7","2","1","7","5","4","7","1") = "6"
    & skf21("7","2","1","7","5","5","1","1") = "6"
    & skf21("7","2","1","7","5","5","2","1") = "6"
    & skf21("7","2","1","7","5","5","3","1") = "6"
    & skf21("7","2","1","7","5","5","4","1") = "6"
    & skf21("7","2","1","7","5","5","5","1") = "6"
    & skf21("7","2","1","7","5","5","6","1") = "6"
    & skf21("7","2","1","7","5","5","7","1") = "6"
    & skf21("7","2","1","7","5","6","1","1") = "6"
    & skf21("7","2","1","7","5","6","2","1") = "6"
    & skf21("7","2","1","7","5","6","3","1") = "6"
    & skf21("7","2","1","7","5","6","4","1") = "6"
    & skf21("7","2","1","7","5","6","5","1") = "6"
    & skf21("7","2","1","7","5","6","6","1") = "6"
    & skf21("7","2","1","7","5","6","7","1") = "6"
    & skf21("7","2","1","7","5","7","1","1") = "6"
    & skf21("7","2","1","7","5","7","2","1") = "6"
    & skf21("7","2","1","7","5","7","3","1") = "6"
    & skf21("7","2","1","7","5","7","4","1") = "6"
    & skf21("7","2","1","7","5","7","5","1") = "6"
    & skf21("7","2","1","7","5","7","6","1") = "6"
    & skf21("7","2","1","7","5","7","7","1") = "6"
    & skf21("7","2","1","7","6","1","1","1") = "6"
    & skf21("7","2","1","7","6","1","2","1") = "6"
    & skf21("7","2","1","7","6","1","3","1") = "6"
    & skf21("7","2","1","7","6","1","4","1") = "6"
    & skf21("7","2","1","7","6","1","5","1") = "6"
    & skf21("7","2","1","7","6","1","6","1") = "6"
    & skf21("7","2","1","7","6","1","7","1") = "6"
    & skf21("7","2","1","7","6","2","1","1") = "6"
    & skf21("7","2","1","7","6","2","2","1") = "6"
    & skf21("7","2","1","7","6","2","3","1") = "6"
    & skf21("7","2","1","7","6","2","4","1") = "6"
    & skf21("7","2","1","7","6","2","5","1") = "6"
    & skf21("7","2","1","7","6","2","6","1") = "6"
    & skf21("7","2","1","7","6","2","7","1") = "6"
    & skf21("7","2","1","7","6","3","1","1") = "6"
    & skf21("7","2","1","7","6","3","2","1") = "6"
    & skf21("7","2","1","7","6","3","3","1") = "6"
    & skf21("7","2","1","7","6","3","4","1") = "6"
    & skf21("7","2","1","7","6","3","5","1") = "6"
    & skf21("7","2","1","7","6","3","6","1") = "6"
    & skf21("7","2","1","7","6","3","7","1") = "6"
    & skf21("7","2","1","7","6","4","1","1") = "6"
    & skf21("7","2","1","7","6","4","2","1") = "6"
    & skf21("7","2","1","7","6","4","3","1") = "6"
    & skf21("7","2","1","7","6","4","4","1") = "6"
    & skf21("7","2","1","7","6","4","5","1") = "6"
    & skf21("7","2","1","7","6","4","6","1") = "6"
    & skf21("7","2","1","7","6","4","7","1") = "6"
    & skf21("7","2","1","7","6","5","1","1") = "6"
    & skf21("7","2","1","7","6","5","2","1") = "6"
    & skf21("7","2","1","7","6","5","3","1") = "6"
    & skf21("7","2","1","7","6","5","4","1") = "6"
    & skf21("7","2","1","7","6","5","5","1") = "6"
    & skf21("7","2","1","7","6","5","6","1") = "6"
    & skf21("7","2","1","7","6","5","7","1") = "6"
    & skf21("7","2","1","7","6","6","1","1") = "6"
    & skf21("7","2","1","7","6","6","2","1") = "6"
    & skf21("7","2","1","7","6","6","3","1") = "6"
    & skf21("7","2","1","7","6","6","4","1") = "6"
    & skf21("7","2","1","7","6","6","5","1") = "6"
    & skf21("7","2","1","7","6","6","6","1") = "6"
    & skf21("7","2","1","7","6","6","7","1") = "6"
    & skf21("7","2","1","7","6","7","1","1") = "6"
    & skf21("7","2","1","7","6","7","2","1") = "6"
    & skf21("7","2","1","7","6","7","3","1") = "6"
    & skf21("7","2","1","7","6","7","4","1") = "6"
    & skf21("7","2","1","7","6","7","5","1") = "6"
    & skf21("7","2","1","7","6","7","6","1") = "6"
    & skf21("7","2","1","7","6","7","7","1") = "6"
    & skf21("7","2","1","7","7","1","1","1") = "6"
    & skf21("7","2","1","7","7","1","2","1") = "6"
    & skf21("7","2","1","7","7","1","3","1") = "6"
    & skf21("7","2","1","7","7","1","4","1") = "6"
    & skf21("7","2","1","7","7","1","5","1") = "6"
    & skf21("7","2","1","7","7","1","6","1") = "6"
    & skf21("7","2","1","7","7","1","7","1") = "6"
    & skf21("7","2","1","7","7","2","1","1") = "6"
    & skf21("7","2","1","7","7","2","2","1") = "6"
    & skf21("7","2","1","7","7","2","3","1") = "6"
    & skf21("7","2","1","7","7","2","4","1") = "6"
    & skf21("7","2","1","7","7","2","5","1") = "6"
    & skf21("7","2","1","7","7","2","6","1") = "6"
    & skf21("7","2","1","7","7","2","7","1") = "6"
    & skf21("7","2","1","7","7","3","1","1") = "6"
    & skf21("7","2","1","7","7","3","2","1") = "6"
    & skf21("7","2","1","7","7","3","3","1") = "6"
    & skf21("7","2","1","7","7","3","4","1") = "6"
    & skf21("7","2","1","7","7","3","5","1") = "6"
    & skf21("7","2","1","7","7","3","6","1") = "6"
    & skf21("7","2","1","7","7","3","7","1") = "6"
    & skf21("7","2","1","7","7","4","1","1") = "6"
    & skf21("7","2","1","7","7","4","2","1") = "6"
    & skf21("7","2","1","7","7","4","3","1") = "6"
    & skf21("7","2","1","7","7","4","4","1") = "6"
    & skf21("7","2","1","7","7","4","5","1") = "6"
    & skf21("7","2","1","7","7","4","6","1") = "6"
    & skf21("7","2","1","7","7","4","7","1") = "6"
    & skf21("7","2","1","7","7","5","1","1") = "6"
    & skf21("7","2","1","7","7","5","2","1") = "6"
    & skf21("7","2","1","7","7","5","3","1") = "6"
    & skf21("7","2","1","7","7","5","4","1") = "6"
    & skf21("7","2","1","7","7","5","5","1") = "6"
    & skf21("7","2","1","7","7","5","6","1") = "6"
    & skf21("7","2","1","7","7","5","7","1") = "6"
    & skf21("7","2","1","7","7","6","1","1") = "6"
    & skf21("7","2","1","7","7","6","2","1") = "6"
    & skf21("7","2","1","7","7","6","3","1") = "6"
    & skf21("7","2","1","7","7","6","4","1") = "6"
    & skf21("7","2","1","7","7","6","5","1") = "6"
    & skf21("7","2","1","7","7","6","6","1") = "6"
    & skf21("7","2","1","7","7","6","7","1") = "6"
    & skf21("7","2","1","7","7","7","1","1") = "6"
    & skf21("7","2","1","7","7","7","2","1") = "6"
    & skf21("7","2","1","7","7","7","3","1") = "6"
    & skf21("7","2","1","7","7","7","4","1") = "6"
    & skf21("7","2","1","7","7","7","5","1") = "6"
    & skf21("7","2","1","7","7","7","6","1") = "6"
    & skf21("7","2","1","7","7","7","7","1") = "6"
    & skf21("7","2","2","1","1","1","1","1") = "6"
    & skf21("7","2","2","1","1","1","2","1") = "6"
    & skf21("7","2","2","1","1","1","3","1") = "6"
    & skf21("7","2","2","1","1","1","4","1") = "6"
    & skf21("7","2","2","1","1","1","5","1") = "6"
    & skf21("7","2","2","1","1","1","6","1") = "6"
    & skf21("7","2","2","1","1","1","7","1") = "6"
    & skf21("7","2","2","1","1","2","1","1") = "6"
    & skf21("7","2","2","1","1","2","2","1") = "6"
    & skf21("7","2","2","1","1","2","3","1") = "6"
    & skf21("7","2","2","1","1","2","4","1") = "6"
    & skf21("7","2","2","1","1","2","5","1") = "6"
    & skf21("7","2","2","1","1","2","6","1") = "6"
    & skf21("7","2","2","1","1","2","7","1") = "6"
    & skf21("7","2","2","1","1","3","1","1") = "6"
    & skf21("7","2","2","1","1","3","2","1") = "6"
    & skf21("7","2","2","1","1","3","3","1") = "6"
    & skf21("7","2","2","1","1","3","4","1") = "6"
    & skf21("7","2","2","1","1","3","5","1") = "6"
    & skf21("7","2","2","1","1","3","6","1") = "6"
    & skf21("7","2","2","1","1","3","7","1") = "6"
    & skf21("7","2","2","1","1","4","1","1") = "6"
    & skf21("7","2","2","1","1","4","2","1") = "6"
    & skf21("7","2","2","1","1","4","3","1") = "6"
    & skf21("7","2","2","1","1","4","4","1") = "6"
    & skf21("7","2","2","1","1","4","5","1") = "6"
    & skf21("7","2","2","1","1","4","6","1") = "6"
    & skf21("7","2","2","1","1","4","7","1") = "6"
    & skf21("7","2","2","1","1","5","1","1") = "6"
    & skf21("7","2","2","1","1","5","2","1") = "6"
    & skf21("7","2","2","1","1","5","3","1") = "6"
    & skf21("7","2","2","1","1","5","4","1") = "6"
    & skf21("7","2","2","1","1","5","5","1") = "6"
    & skf21("7","2","2","1","1","5","6","1") = "6"
    & skf21("7","2","2","1","1","5","7","1") = "6"
    & skf21("7","2","2","1","1","6","1","1") = "6"
    & skf21("7","2","2","1","1","6","2","1") = "6"
    & skf21("7","2","2","1","1","6","3","1") = "6"
    & skf21("7","2","2","1","1","6","4","1") = "6"
    & skf21("7","2","2","1","1","6","5","1") = "6"
    & skf21("7","2","2","1","1","6","6","1") = "6"
    & skf21("7","2","2","1","1","6","7","1") = "6"
    & skf21("7","2","2","1","1","7","1","1") = "6"
    & skf21("7","2","2","1","1","7","2","1") = "6"
    & skf21("7","2","2","1","1","7","3","1") = "6"
    & skf21("7","2","2","1","1","7","4","1") = "6"
    & skf21("7","2","2","1","1","7","5","1") = "6"
    & skf21("7","2","2","1","1","7","6","1") = "6"
    & skf21("7","2","2","1","1","7","7","1") = "6"
    & skf21("7","2","2","1","2","1","1","1") = "6"
    & skf21("7","2","2","1","2","1","2","1") = "6"
    & skf21("7","2","2","1","2","1","3","1") = "6"
    & skf21("7","2","2","1","2","1","4","1") = "6"
    & skf21("7","2","2","1","2","1","5","1") = "6"
    & skf21("7","2","2","1","2","1","6","1") = "6"
    & skf21("7","2","2","1","2","1","7","1") = "6"
    & skf21("7","2","2","1","2","2","1","1") = "6"
    & skf21("7","2","2","1","2","2","2","1") = "6"
    & skf21("7","2","2","1","2","2","3","1") = "6"
    & skf21("7","2","2","1","2","2","4","1") = "6"
    & skf21("7","2","2","1","2","2","5","1") = "6"
    & skf21("7","2","2","1","2","2","6","1") = "6"
    & skf21("7","2","2","1","2","2","7","1") = "6"
    & skf21("7","2","2","1","2","3","1","1") = "6"
    & skf21("7","2","2","1","2","3","2","1") = "6"
    & skf21("7","2","2","1","2","3","3","1") = "6"
    & skf21("7","2","2","1","2","3","4","1") = "6"
    & skf21("7","2","2","1","2","3","5","1") = "6"
    & skf21("7","2","2","1","2","3","6","1") = "6"
    & skf21("7","2","2","1","2","3","7","1") = "6"
    & skf21("7","2","2","1","2","4","1","1") = "6"
    & skf21("7","2","2","1","2","4","2","1") = "6"
    & skf21("7","2","2","1","2","4","3","1") = "6"
    & skf21("7","2","2","1","2","4","4","1") = "6"
    & skf21("7","2","2","1","2","4","5","1") = "6"
    & skf21("7","2","2","1","2","4","6","1") = "6"
    & skf21("7","2","2","1","2","4","7","1") = "6"
    & skf21("7","2","2","1","2","5","1","1") = "6"
    & skf21("7","2","2","1","2","5","2","1") = "6"
    & skf21("7","2","2","1","2","5","3","1") = "6"
    & skf21("7","2","2","1","2","5","4","1") = "6"
    & skf21("7","2","2","1","2","5","5","1") = "6"
    & skf21("7","2","2","1","2","5","6","1") = "6"
    & skf21("7","2","2","1","2","5","7","1") = "6"
    & skf21("7","2","2","1","2","6","1","1") = "6"
    & skf21("7","2","2","1","2","6","2","1") = "6"
    & skf21("7","2","2","1","2","6","3","1") = "6"
    & skf21("7","2","2","1","2","6","4","1") = "6"
    & skf21("7","2","2","1","2","6","5","1") = "6"
    & skf21("7","2","2","1","2","6","6","1") = "6"
    & skf21("7","2","2","1","2","6","7","1") = "6"
    & skf21("7","2","2","1","2","7","1","1") = "6"
    & skf21("7","2","2","1","2","7","2","1") = "6"
    & skf21("7","2","2","1","2","7","3","1") = "6"
    & skf21("7","2","2","1","2","7","4","1") = "6"
    & skf21("7","2","2","1","2","7","5","1") = "6"
    & skf21("7","2","2","1","2","7","6","1") = "6"
    & skf21("7","2","2","1","2","7","7","1") = "6"
    & skf21("7","2","2","1","3","1","1","1") = "6"
    & skf21("7","2","2","1","3","1","2","1") = "6"
    & skf21("7","2","2","1","3","1","3","1") = "6"
    & skf21("7","2","2","1","3","1","4","1") = "6"
    & skf21("7","2","2","1","3","1","5","1") = "6"
    & skf21("7","2","2","1","3","1","6","1") = "6"
    & skf21("7","2","2","1","3","1","7","1") = "6"
    & skf21("7","2","2","1","3","2","1","1") = "6"
    & skf21("7","2","2","1","3","2","2","1") = "6"
    & skf21("7","2","2","1","3","2","3","1") = "6"
    & skf21("7","2","2","1","3","2","4","1") = "6"
    & skf21("7","2","2","1","3","2","5","1") = "6"
    & skf21("7","2","2","1","3","2","6","1") = "6"
    & skf21("7","2","2","1","3","2","7","1") = "6"
    & skf21("7","2","2","1","3","3","1","1") = "6"
    & skf21("7","2","2","1","3","3","2","1") = "6"
    & skf21("7","2","2","1","3","3","3","1") = "6"
    & skf21("7","2","2","1","3","3","4","1") = "6"
    & skf21("7","2","2","1","3","3","5","1") = "6"
    & skf21("7","2","2","1","3","3","6","1") = "6"
    & skf21("7","2","2","1","3","3","7","1") = "6"
    & skf21("7","2","2","1","3","4","1","1") = "6"
    & skf21("7","2","2","1","3","4","2","1") = "6"
    & skf21("7","2","2","1","3","4","3","1") = "6"
    & skf21("7","2","2","1","3","4","4","1") = "6"
    & skf21("7","2","2","1","3","4","5","1") = "6"
    & skf21("7","2","2","1","3","4","6","1") = "6"
    & skf21("7","2","2","1","3","4","7","1") = "6"
    & skf21("7","2","2","1","3","5","1","1") = "6"
    & skf21("7","2","2","1","3","5","2","1") = "6"
    & skf21("7","2","2","1","3","5","3","1") = "6"
    & skf21("7","2","2","1","3","5","4","1") = "6"
    & skf21("7","2","2","1","3","5","5","1") = "6"
    & skf21("7","2","2","1","3","5","6","1") = "6"
    & skf21("7","2","2","1","3","5","7","1") = "6"
    & skf21("7","2","2","1","3","6","1","1") = "6"
    & skf21("7","2","2","1","3","6","2","1") = "6"
    & skf21("7","2","2","1","3","6","3","1") = "6"
    & skf21("7","2","2","1","3","6","4","1") = "6"
    & skf21("7","2","2","1","3","6","5","1") = "6"
    & skf21("7","2","2","1","3","6","6","1") = "6"
    & skf21("7","2","2","1","3","6","7","1") = "6"
    & skf21("7","2","2","1","3","7","1","1") = "6"
    & skf21("7","2","2","1","3","7","2","1") = "6"
    & skf21("7","2","2","1","3","7","3","1") = "6"
    & skf21("7","2","2","1","3","7","4","1") = "6"
    & skf21("7","2","2","1","3","7","5","1") = "6"
    & skf21("7","2","2","1","3","7","6","1") = "6"
    & skf21("7","2","2","1","3","7","7","1") = "6"
    & skf21("7","2","2","1","4","1","1","1") = "6"
    & skf21("7","2","2","1","4","1","2","1") = "6"
    & skf21("7","2","2","1","4","1","3","1") = "6"
    & skf21("7","2","2","1","4","1","4","1") = "6"
    & skf21("7","2","2","1","4","1","5","1") = "6"
    & skf21("7","2","2","1","4","1","6","1") = "6"
    & skf21("7","2","2","1","4","1","7","1") = "6"
    & skf21("7","2","2","1","4","2","1","1") = "6"
    & skf21("7","2","2","1","4","2","2","1") = "6"
    & skf21("7","2","2","1","4","2","3","1") = "6"
    & skf21("7","2","2","1","4","2","4","1") = "6"
    & skf21("7","2","2","1","4","2","5","1") = "6"
    & skf21("7","2","2","1","4","2","6","1") = "6"
    & skf21("7","2","2","1","4","2","7","1") = "6"
    & skf21("7","2","2","1","4","3","1","1") = "6"
    & skf21("7","2","2","1","4","3","2","1") = "6"
    & skf21("7","2","2","1","4","3","3","1") = "6"
    & skf21("7","2","2","1","4","3","4","1") = "6"
    & skf21("7","2","2","1","4","3","5","1") = "6"
    & skf21("7","2","2","1","4","3","6","1") = "6"
    & skf21("7","2","2","1","4","3","7","1") = "6"
    & skf21("7","2","2","1","4","4","1","1") = "6"
    & skf21("7","2","2","1","4","4","2","1") = "6"
    & skf21("7","2","2","1","4","4","3","1") = "6"
    & skf21("7","2","2","1","4","4","4","1") = "6"
    & skf21("7","2","2","1","4","4","5","1") = "6"
    & skf21("7","2","2","1","4","4","6","1") = "6"
    & skf21("7","2","2","1","4","4","7","1") = "6"
    & skf21("7","2","2","1","4","5","1","1") = "6"
    & skf21("7","2","2","1","4","5","2","1") = "6"
    & skf21("7","2","2","1","4","5","3","1") = "6"
    & skf21("7","2","2","1","4","5","4","1") = "6"
    & skf21("7","2","2","1","4","5","5","1") = "6"
    & skf21("7","2","2","1","4","5","6","1") = "6"
    & skf21("7","2","2","1","4","5","7","1") = "6"
    & skf21("7","2","2","1","4","6","1","1") = "6"
    & skf21("7","2","2","1","4","6","2","1") = "6"
    & skf21("7","2","2","1","4","6","3","1") = "6"
    & skf21("7","2","2","1","4","6","4","1") = "6"
    & skf21("7","2","2","1","4","6","5","1") = "6"
    & skf21("7","2","2","1","4","6","6","1") = "6"
    & skf21("7","2","2","1","4","6","7","1") = "6"
    & skf21("7","2","2","1","4","7","1","1") = "6"
    & skf21("7","2","2","1","4","7","2","1") = "6"
    & skf21("7","2","2","1","4","7","3","1") = "6"
    & skf21("7","2","2","1","4","7","4","1") = "6"
    & skf21("7","2","2","1","4","7","5","1") = "6"
    & skf21("7","2","2","1","4","7","6","1") = "6"
    & skf21("7","2","2","1","4","7","7","1") = "6"
    & skf21("7","2","2","1","5","1","1","1") = "6"
    & skf21("7","2","2","1","5","1","2","1") = "6"
    & skf21("7","2","2","1","5","1","3","1") = "6"
    & skf21("7","2","2","1","5","1","4","1") = "6"
    & skf21("7","2","2","1","5","1","5","1") = "6"
    & skf21("7","2","2","1","5","1","6","1") = "6"
    & skf21("7","2","2","1","5","1","7","1") = "6"
    & skf21("7","2","2","1","5","2","1","1") = "6"
    & skf21("7","2","2","1","5","2","2","1") = "6"
    & skf21("7","2","2","1","5","2","3","1") = "6"
    & skf21("7","2","2","1","5","2","4","1") = "6"
    & skf21("7","2","2","1","5","2","5","1") = "6"
    & skf21("7","2","2","1","5","2","6","1") = "6"
    & skf21("7","2","2","1","5","2","7","1") = "6"
    & skf21("7","2","2","1","5","3","1","1") = "6"
    & skf21("7","2","2","1","5","3","2","1") = "6"
    & skf21("7","2","2","1","5","3","3","1") = "6"
    & skf21("7","2","2","1","5","3","4","1") = "6"
    & skf21("7","2","2","1","5","3","5","1") = "6"
    & skf21("7","2","2","1","5","3","6","1") = "6"
    & skf21("7","2","2","1","5","3","7","1") = "6"
    & skf21("7","2","2","1","5","4","1","1") = "6"
    & skf21("7","2","2","1","5","4","2","1") = "6"
    & skf21("7","2","2","1","5","4","3","1") = "6"
    & skf21("7","2","2","1","5","4","4","1") = "6"
    & skf21("7","2","2","1","5","4","5","1") = "6"
    & skf21("7","2","2","1","5","4","6","1") = "6"
    & skf21("7","2","2","1","5","4","7","1") = "6"
    & skf21("7","2","2","1","5","5","1","1") = "6"
    & skf21("7","2","2","1","5","5","2","1") = "6"
    & skf21("7","2","2","1","5","5","3","1") = "6"
    & skf21("7","2","2","1","5","5","4","1") = "6"
    & skf21("7","2","2","1","5","5","5","1") = "6"
    & skf21("7","2","2","1","5","5","6","1") = "6"
    & skf21("7","2","2","1","5","5","7","1") = "6"
    & skf21("7","2","2","1","5","6","1","1") = "6"
    & skf21("7","2","2","1","5","6","2","1") = "6"
    & skf21("7","2","2","1","5","6","3","1") = "6"
    & skf21("7","2","2","1","5","6","4","1") = "6"
    & skf21("7","2","2","1","5","6","5","1") = "6"
    & skf21("7","2","2","1","5","6","6","1") = "6"
    & skf21("7","2","2","1","5","6","7","1") = "6"
    & skf21("7","2","2","1","5","7","1","1") = "6"
    & skf21("7","2","2","1","5","7","2","1") = "6"
    & skf21("7","2","2","1","5","7","3","1") = "6"
    & skf21("7","2","2","1","5","7","4","1") = "6"
    & skf21("7","2","2","1","5","7","5","1") = "6"
    & skf21("7","2","2","1","5","7","6","1") = "6"
    & skf21("7","2","2","1","5","7","7","1") = "6"
    & skf21("7","2","2","1","6","1","1","1") = "6"
    & skf21("7","2","2","1","6","1","2","1") = "6"
    & skf21("7","2","2","1","6","1","3","1") = "6"
    & skf21("7","2","2","1","6","1","4","1") = "6"
    & skf21("7","2","2","1","6","1","5","1") = "6"
    & skf21("7","2","2","1","6","1","6","1") = "6"
    & skf21("7","2","2","1","6","1","7","1") = "6"
    & skf21("7","2","2","1","6","2","1","1") = "6"
    & skf21("7","2","2","1","6","2","2","1") = "6"
    & skf21("7","2","2","1","6","2","3","1") = "6"
    & skf21("7","2","2","1","6","2","4","1") = "6"
    & skf21("7","2","2","1","6","2","5","1") = "6"
    & skf21("7","2","2","1","6","2","6","1") = "6"
    & skf21("7","2","2","1","6","2","7","1") = "6"
    & skf21("7","2","2","1","6","3","1","1") = "6"
    & skf21("7","2","2","1","6","3","2","1") = "6"
    & skf21("7","2","2","1","6","3","3","1") = "6"
    & skf21("7","2","2","1","6","3","4","1") = "6"
    & skf21("7","2","2","1","6","3","5","1") = "6"
    & skf21("7","2","2","1","6","3","6","1") = "6"
    & skf21("7","2","2","1","6","3","7","1") = "6"
    & skf21("7","2","2","1","6","4","1","1") = "6"
    & skf21("7","2","2","1","6","4","2","1") = "6"
    & skf21("7","2","2","1","6","4","3","1") = "6"
    & skf21("7","2","2","1","6","4","4","1") = "6"
    & skf21("7","2","2","1","6","4","5","1") = "6"
    & skf21("7","2","2","1","6","4","6","1") = "6"
    & skf21("7","2","2","1","6","4","7","1") = "6"
    & skf21("7","2","2","1","6","5","1","1") = "6"
    & skf21("7","2","2","1","6","5","2","1") = "6"
    & skf21("7","2","2","1","6","5","3","1") = "6"
    & skf21("7","2","2","1","6","5","4","1") = "6"
    & skf21("7","2","2","1","6","5","5","1") = "6"
    & skf21("7","2","2","1","6","5","6","1") = "6"
    & skf21("7","2","2","1","6","5","7","1") = "6"
    & skf21("7","2","2","1","6","6","1","1") = "6"
    & skf21("7","2","2","1","6","6","2","1") = "6"
    & skf21("7","2","2","1","6","6","3","1") = "6"
    & skf21("7","2","2","1","6","6","4","1") = "6"
    & skf21("7","2","2","1","6","6","5","1") = "6"
    & skf21("7","2","2","1","6","6","6","1") = "6"
    & skf21("7","2","2","1","6","6","7","1") = "6"
    & skf21("7","2","2","1","6","7","1","1") = "6"
    & skf21("7","2","2","1","6","7","2","1") = "6"
    & skf21("7","2","2","1","6","7","3","1") = "6"
    & skf21("7","2","2","1","6","7","4","1") = "6"
    & skf21("7","2","2","1","6","7","5","1") = "6"
    & skf21("7","2","2","1","6","7","6","1") = "6"
    & skf21("7","2","2","1","6","7","7","1") = "6"
    & skf21("7","2","2","1","7","1","1","1") = "6"
    & skf21("7","2","2","1","7","1","2","1") = "6"
    & skf21("7","2","2","1","7","1","3","1") = "6"
    & skf21("7","2","2","1","7","1","4","1") = "6"
    & skf21("7","2","2","1","7","1","5","1") = "6"
    & skf21("7","2","2","1","7","1","6","1") = "6"
    & skf21("7","2","2","1","7","1","7","1") = "6"
    & skf21("7","2","2","1","7","2","1","1") = "6"
    & skf21("7","2","2","1","7","2","2","1") = "6"
    & skf21("7","2","2","1","7","2","3","1") = "6"
    & skf21("7","2","2","1","7","2","4","1") = "6"
    & skf21("7","2","2","1","7","2","5","1") = "6"
    & skf21("7","2","2","1","7","2","6","1") = "6"
    & skf21("7","2","2","1","7","2","7","1") = "6"
    & skf21("7","2","2","1","7","3","1","1") = "6"
    & skf21("7","2","2","1","7","3","2","1") = "6"
    & skf21("7","2","2","1","7","3","3","1") = "6"
    & skf21("7","2","2","1","7","3","4","1") = "6"
    & skf21("7","2","2","1","7","3","5","1") = "6"
    & skf21("7","2","2","1","7","3","6","1") = "6"
    & skf21("7","2","2","1","7","3","7","1") = "6"
    & skf21("7","2","2","1","7","4","1","1") = "6"
    & skf21("7","2","2","1","7","4","2","1") = "6"
    & skf21("7","2","2","1","7","4","3","1") = "6"
    & skf21("7","2","2","1","7","4","4","1") = "6"
    & skf21("7","2","2","1","7","4","5","1") = "6"
    & skf21("7","2","2","1","7","4","6","1") = "6"
    & skf21("7","2","2","1","7","4","7","1") = "6"
    & skf21("7","2","2","1","7","5","1","1") = "6"
    & skf21("7","2","2","1","7","5","2","1") = "6"
    & skf21("7","2","2","1","7","5","3","1") = "6"
    & skf21("7","2","2","1","7","5","4","1") = "6"
    & skf21("7","2","2","1","7","5","5","1") = "6"
    & skf21("7","2","2","1","7","5","6","1") = "6"
    & skf21("7","2","2","1","7","5","7","1") = "6"
    & skf21("7","2","2","1","7","6","1","1") = "6"
    & skf21("7","2","2","1","7","6","2","1") = "6"
    & skf21("7","2","2","1","7","6","3","1") = "6"
    & skf21("7","2","2","1","7","6","4","1") = "6"
    & skf21("7","2","2","1","7","6","5","1") = "6"
    & skf21("7","2","2","1","7","6","6","1") = "6"
    & skf21("7","2","2","1","7","6","7","1") = "6"
    & skf21("7","2","2","1","7","7","1","1") = "6"
    & skf21("7","2","2","1","7","7","2","1") = "6"
    & skf21("7","2","2","1","7","7","3","1") = "6"
    & skf21("7","2","2","1","7","7","4","1") = "6"
    & skf21("7","2","2","1","7","7","5","1") = "6"
    & skf21("7","2","2","1","7","7","6","1") = "6"
    & skf21("7","2","2","1","7","7","7","1") = "6"
    & skf21("7","2","2","2","1","1","1","1") = "6"
    & skf21("7","2","2","2","1","1","2","1") = "6"
    & skf21("7","2","2","2","1","1","3","1") = "6"
    & skf21("7","2","2","2","1","1","4","1") = "6"
    & skf21("7","2","2","2","1","1","5","1") = "6"
    & skf21("7","2","2","2","1","1","6","1") = "6"
    & skf21("7","2","2","2","1","1","7","1") = "6"
    & skf21("7","2","2","2","1","2","1","1") = "6"
    & skf21("7","2","2","2","1","2","2","1") = "6"
    & skf21("7","2","2","2","1","2","3","1") = "6"
    & skf21("7","2","2","2","1","2","4","1") = "6"
    & skf21("7","2","2","2","1","2","5","1") = "6"
    & skf21("7","2","2","2","1","2","6","1") = "6"
    & skf21("7","2","2","2","1","2","7","1") = "6"
    & skf21("7","2","2","2","1","3","1","1") = "6"
    & skf21("7","2","2","2","1","3","2","1") = "6"
    & skf21("7","2","2","2","1","3","3","1") = "6"
    & skf21("7","2","2","2","1","3","4","1") = "6"
    & skf21("7","2","2","2","1","3","5","1") = "6"
    & skf21("7","2","2","2","1","3","6","1") = "6"
    & skf21("7","2","2","2","1","3","7","1") = "6"
    & skf21("7","2","2","2","1","4","1","1") = "6"
    & skf21("7","2","2","2","1","4","2","1") = "6"
    & skf21("7","2","2","2","1","4","3","1") = "6"
    & skf21("7","2","2","2","1","4","4","1") = "6"
    & skf21("7","2","2","2","1","4","5","1") = "6"
    & skf21("7","2","2","2","1","4","6","1") = "6"
    & skf21("7","2","2","2","1","4","7","1") = "6"
    & skf21("7","2","2","2","1","5","1","1") = "6"
    & skf21("7","2","2","2","1","5","2","1") = "6"
    & skf21("7","2","2","2","1","5","3","1") = "6"
    & skf21("7","2","2","2","1","5","4","1") = "6"
    & skf21("7","2","2","2","1","5","5","1") = "6"
    & skf21("7","2","2","2","1","5","6","1") = "6"
    & skf21("7","2","2","2","1","5","7","1") = "6"
    & skf21("7","2","2","2","1","6","1","1") = "6"
    & skf21("7","2","2","2","1","6","2","1") = "6"
    & skf21("7","2","2","2","1","6","3","1") = "6"
    & skf21("7","2","2","2","1","6","4","1") = "6"
    & skf21("7","2","2","2","1","6","5","1") = "6"
    & skf21("7","2","2","2","1","6","6","1") = "6"
    & skf21("7","2","2","2","1","6","7","1") = "6"
    & skf21("7","2","2","2","1","7","1","1") = "6"
    & skf21("7","2","2","2","1","7","2","1") = "6"
    & skf21("7","2","2","2","1","7","3","1") = "6"
    & skf21("7","2","2","2","1","7","4","1") = "6"
    & skf21("7","2","2","2","1","7","5","1") = "6"
    & skf21("7","2","2","2","1","7","6","1") = "6"
    & skf21("7","2","2","2","1","7","7","1") = "6"
    & skf21("7","2","2","2","2","1","1","1") = "6"
    & skf21("7","2","2","2","2","1","2","1") = "6"
    & skf21("7","2","2","2","2","1","3","1") = "6"
    & skf21("7","2","2","2","2","1","4","1") = "6"
    & skf21("7","2","2","2","2","1","5","1") = "6"
    & skf21("7","2","2","2","2","1","6","1") = "6"
    & skf21("7","2","2","2","2","1","7","1") = "6"
    & skf21("7","2","2","2","2","2","1","1") = "6"
    & skf21("7","2","2","2","2","2","2","1") = "6"
    & skf21("7","2","2","2","2","2","3","1") = "6"
    & skf21("7","2","2","2","2","2","4","1") = "6"
    & skf21("7","2","2","2","2","2","5","1") = "6"
    & skf21("7","2","2","2","2","2","6","1") = "6"
    & skf21("7","2","2","2","2","2","7","1") = "6"
    & skf21("7","2","2","2","2","3","1","1") = "6"
    & skf21("7","2","2","2","2","3","2","1") = "6"
    & skf21("7","2","2","2","2","3","3","1") = "6"
    & skf21("7","2","2","2","2","3","4","1") = "6"
    & skf21("7","2","2","2","2","3","5","1") = "6"
    & skf21("7","2","2","2","2","3","6","1") = "6"
    & skf21("7","2","2","2","2","3","7","1") = "6"
    & skf21("7","2","2","2","2","4","1","1") = "6"
    & skf21("7","2","2","2","2","4","2","1") = "6"
    & skf21("7","2","2","2","2","4","3","1") = "6"
    & skf21("7","2","2","2","2","4","4","1") = "6"
    & skf21("7","2","2","2","2","4","5","1") = "6"
    & skf21("7","2","2","2","2","4","6","1") = "6"
    & skf21("7","2","2","2","2","4","7","1") = "6"
    & skf21("7","2","2","2","2","5","1","1") = "6"
    & skf21("7","2","2","2","2","5","2","1") = "6"
    & skf21("7","2","2","2","2","5","3","1") = "6"
    & skf21("7","2","2","2","2","5","4","1") = "6"
    & skf21("7","2","2","2","2","5","5","1") = "6"
    & skf21("7","2","2","2","2","5","6","1") = "6"
    & skf21("7","2","2","2","2","5","7","1") = "6"
    & skf21("7","2","2","2","2","6","1","1") = "6"
    & skf21("7","2","2","2","2","6","2","1") = "6"
    & skf21("7","2","2","2","2","6","3","1") = "6"
    & skf21("7","2","2","2","2","6","4","1") = "6"
    & skf21("7","2","2","2","2","6","5","1") = "6"
    & skf21("7","2","2","2","2","6","6","1") = "6"
    & skf21("7","2","2","2","2","6","7","1") = "6"
    & skf21("7","2","2","2","2","7","1","1") = "6"
    & skf21("7","2","2","2","2","7","2","1") = "6"
    & skf21("7","2","2","2","2","7","3","1") = "6"
    & skf21("7","2","2","2","2","7","4","1") = "6"
    & skf21("7","2","2","2","2","7","5","1") = "6"
    & skf21("7","2","2","2","2","7","6","1") = "6"
    & skf21("7","2","2","2","2","7","7","1") = "6"
    & skf21("7","2","2","2","3","1","1","1") = "6"
    & skf21("7","2","2","2","3","1","2","1") = "6"
    & skf21("7","2","2","2","3","1","3","1") = "6"
    & skf21("7","2","2","2","3","1","4","1") = "6"
    & skf21("7","2","2","2","3","1","5","1") = "6"
    & skf21("7","2","2","2","3","1","6","1") = "6"
    & skf21("7","2","2","2","3","1","7","1") = "6"
    & skf21("7","2","2","2","3","2","1","1") = "6"
    & skf21("7","2","2","2","3","2","2","1") = "6"
    & skf21("7","2","2","2","3","2","3","1") = "6"
    & skf21("7","2","2","2","3","2","4","1") = "6"
    & skf21("7","2","2","2","3","2","5","1") = "6"
    & skf21("7","2","2","2","3","2","6","1") = "6"
    & skf21("7","2","2","2","3","2","7","1") = "6"
    & skf21("7","2","2","2","3","3","1","1") = "6"
    & skf21("7","2","2","2","3","3","2","1") = "6"
    & skf21("7","2","2","2","3","3","3","1") = "6"
    & skf21("7","2","2","2","3","3","4","1") = "6"
    & skf21("7","2","2","2","3","3","5","1") = "6"
    & skf21("7","2","2","2","3","3","6","1") = "6"
    & skf21("7","2","2","2","3","3","7","1") = "6"
    & skf21("7","2","2","2","3","4","1","1") = "6"
    & skf21("7","2","2","2","3","4","2","1") = "6"
    & skf21("7","2","2","2","3","4","3","1") = "6"
    & skf21("7","2","2","2","3","4","4","1") = "6"
    & skf21("7","2","2","2","3","4","5","1") = "6"
    & skf21("7","2","2","2","3","4","6","1") = "6"
    & skf21("7","2","2","2","3","4","7","1") = "6"
    & skf21("7","2","2","2","3","5","1","1") = "6"
    & skf21("7","2","2","2","3","5","2","1") = "6"
    & skf21("7","2","2","2","3","5","3","1") = "6"
    & skf21("7","2","2","2","3","5","4","1") = "6"
    & skf21("7","2","2","2","3","5","5","1") = "6"
    & skf21("7","2","2","2","3","5","6","1") = "6"
    & skf21("7","2","2","2","3","5","7","1") = "6"
    & skf21("7","2","2","2","3","6","1","1") = "6"
    & skf21("7","2","2","2","3","6","2","1") = "6"
    & skf21("7","2","2","2","3","6","3","1") = "6"
    & skf21("7","2","2","2","3","6","4","1") = "6"
    & skf21("7","2","2","2","3","6","5","1") = "6"
    & skf21("7","2","2","2","3","6","6","1") = "6"
    & skf21("7","2","2","2","3","6","7","1") = "6"
    & skf21("7","2","2","2","3","7","1","1") = "6"
    & skf21("7","2","2","2","3","7","2","1") = "6"
    & skf21("7","2","2","2","3","7","3","1") = "6"
    & skf21("7","2","2","2","3","7","4","1") = "6"
    & skf21("7","2","2","2","3","7","5","1") = "6"
    & skf21("7","2","2","2","3","7","6","1") = "6"
    & skf21("7","2","2","2","3","7","7","1") = "6"
    & skf21("7","2","2","2","4","1","1","1") = "6"
    & skf21("7","2","2","2","4","1","2","1") = "6"
    & skf21("7","2","2","2","4","1","3","1") = "6"
    & skf21("7","2","2","2","4","1","4","1") = "6"
    & skf21("7","2","2","2","4","1","5","1") = "6"
    & skf21("7","2","2","2","4","1","6","1") = "6"
    & skf21("7","2","2","2","4","1","7","1") = "6"
    & skf21("7","2","2","2","4","2","1","1") = "6"
    & skf21("7","2","2","2","4","2","2","1") = "6"
    & skf21("7","2","2","2","4","2","3","1") = "6"
    & skf21("7","2","2","2","4","2","4","1") = "6"
    & skf21("7","2","2","2","4","2","5","1") = "6"
    & skf21("7","2","2","2","4","2","6","1") = "6"
    & skf21("7","2","2","2","4","2","7","1") = "6"
    & skf21("7","2","2","2","4","3","1","1") = "6"
    & skf21("7","2","2","2","4","3","2","1") = "6"
    & skf21("7","2","2","2","4","3","3","1") = "6"
    & skf21("7","2","2","2","4","3","4","1") = "6"
    & skf21("7","2","2","2","4","3","5","1") = "6"
    & skf21("7","2","2","2","4","3","6","1") = "6"
    & skf21("7","2","2","2","4","3","7","1") = "6"
    & skf21("7","2","2","2","4","4","1","1") = "6"
    & skf21("7","2","2","2","4","4","2","1") = "6"
    & skf21("7","2","2","2","4","4","3","1") = "6"
    & skf21("7","2","2","2","4","4","4","1") = "6"
    & skf21("7","2","2","2","4","4","5","1") = "6"
    & skf21("7","2","2","2","4","4","6","1") = "6"
    & skf21("7","2","2","2","4","4","7","1") = "6"
    & skf21("7","2","2","2","4","5","1","1") = "6"
    & skf21("7","2","2","2","4","5","2","1") = "6"
    & skf21("7","2","2","2","4","5","3","1") = "6"
    & skf21("7","2","2","2","4","5","4","1") = "6"
    & skf21("7","2","2","2","4","5","5","1") = "6"
    & skf21("7","2","2","2","4","5","6","1") = "6"
    & skf21("7","2","2","2","4","5","7","1") = "6"
    & skf21("7","2","2","2","4","6","1","1") = "6"
    & skf21("7","2","2","2","4","6","2","1") = "6"
    & skf21("7","2","2","2","4","6","3","1") = "6"
    & skf21("7","2","2","2","4","6","4","1") = "6"
    & skf21("7","2","2","2","4","6","5","1") = "6"
    & skf21("7","2","2","2","4","6","6","1") = "6"
    & skf21("7","2","2","2","4","6","7","1") = "6"
    & skf21("7","2","2","2","4","7","1","1") = "6"
    & skf21("7","2","2","2","4","7","2","1") = "6"
    & skf21("7","2","2","2","4","7","3","1") = "6"
    & skf21("7","2","2","2","4","7","4","1") = "6"
    & skf21("7","2","2","2","4","7","5","1") = "6"
    & skf21("7","2","2","2","4","7","6","1") = "6"
    & skf21("7","2","2","2","4","7","7","1") = "6"
    & skf21("7","2","2","2","5","1","1","1") = "6"
    & skf21("7","2","2","2","5","1","2","1") = "6"
    & skf21("7","2","2","2","5","1","3","1") = "6"
    & skf21("7","2","2","2","5","1","4","1") = "6"
    & skf21("7","2","2","2","5","1","5","1") = "6"
    & skf21("7","2","2","2","5","1","6","1") = "6"
    & skf21("7","2","2","2","5","1","7","1") = "6"
    & skf21("7","2","2","2","5","2","1","1") = "6"
    & skf21("7","2","2","2","5","2","2","1") = "6"
    & skf21("7","2","2","2","5","2","3","1") = "6"
    & skf21("7","2","2","2","5","2","4","1") = "6"
    & skf21("7","2","2","2","5","2","5","1") = "6"
    & skf21("7","2","2","2","5","2","6","1") = "6"
    & skf21("7","2","2","2","5","2","7","1") = "6"
    & skf21("7","2","2","2","5","3","1","1") = "6"
    & skf21("7","2","2","2","5","3","2","1") = "6"
    & skf21("7","2","2","2","5","3","3","1") = "6"
    & skf21("7","2","2","2","5","3","4","1") = "6"
    & skf21("7","2","2","2","5","3","5","1") = "6"
    & skf21("7","2","2","2","5","3","6","1") = "6"
    & skf21("7","2","2","2","5","3","7","1") = "6"
    & skf21("7","2","2","2","5","4","1","1") = "6"
    & skf21("7","2","2","2","5","4","2","1") = "6"
    & skf21("7","2","2","2","5","4","3","1") = "6"
    & skf21("7","2","2","2","5","4","4","1") = "6"
    & skf21("7","2","2","2","5","4","5","1") = "6"
    & skf21("7","2","2","2","5","4","6","1") = "6"
    & skf21("7","2","2","2","5","4","7","1") = "6"
    & skf21("7","2","2","2","5","5","1","1") = "6"
    & skf21("7","2","2","2","5","5","2","1") = "6"
    & skf21("7","2","2","2","5","5","3","1") = "6"
    & skf21("7","2","2","2","5","5","4","1") = "6"
    & skf21("7","2","2","2","5","5","5","1") = "6"
    & skf21("7","2","2","2","5","5","6","1") = "6"
    & skf21("7","2","2","2","5","5","7","1") = "6"
    & skf21("7","2","2","2","5","6","1","1") = "6"
    & skf21("7","2","2","2","5","6","2","1") = "6"
    & skf21("7","2","2","2","5","6","3","1") = "6"
    & skf21("7","2","2","2","5","6","4","1") = "6"
    & skf21("7","2","2","2","5","6","5","1") = "6"
    & skf21("7","2","2","2","5","6","6","1") = "6"
    & skf21("7","2","2","2","5","6","7","1") = "6"
    & skf21("7","2","2","2","5","7","1","1") = "6"
    & skf21("7","2","2","2","5","7","2","1") = "6"
    & skf21("7","2","2","2","5","7","3","1") = "6"
    & skf21("7","2","2","2","5","7","4","1") = "6"
    & skf21("7","2","2","2","5","7","5","1") = "6"
    & skf21("7","2","2","2","5","7","6","1") = "6"
    & skf21("7","2","2","2","5","7","7","1") = "6"
    & skf21("7","2","2","2","6","1","1","1") = "6"
    & skf21("7","2","2","2","6","1","2","1") = "6"
    & skf21("7","2","2","2","6","1","3","1") = "6"
    & skf21("7","2","2","2","6","1","4","1") = "6"
    & skf21("7","2","2","2","6","1","5","1") = "6"
    & skf21("7","2","2","2","6","1","6","1") = "6"
    & skf21("7","2","2","2","6","1","7","1") = "6"
    & skf21("7","2","2","2","6","2","1","1") = "6"
    & skf21("7","2","2","2","6","2","2","1") = "6"
    & skf21("7","2","2","2","6","2","3","1") = "6"
    & skf21("7","2","2","2","6","2","4","1") = "6"
    & skf21("7","2","2","2","6","2","5","1") = "6"
    & skf21("7","2","2","2","6","2","6","1") = "6"
    & skf21("7","2","2","2","6","2","7","1") = "6"
    & skf21("7","2","2","2","6","3","1","1") = "6"
    & skf21("7","2","2","2","6","3","2","1") = "6"
    & skf21("7","2","2","2","6","3","3","1") = "6"
    & skf21("7","2","2","2","6","3","4","1") = "6"
    & skf21("7","2","2","2","6","3","5","1") = "6"
    & skf21("7","2","2","2","6","3","6","1") = "6"
    & skf21("7","2","2","2","6","3","7","1") = "6"
    & skf21("7","2","2","2","6","4","1","1") = "6"
    & skf21("7","2","2","2","6","4","2","1") = "6"
    & skf21("7","2","2","2","6","4","3","1") = "6"
    & skf21("7","2","2","2","6","4","4","1") = "6"
    & skf21("7","2","2","2","6","4","5","1") = "6"
    & skf21("7","2","2","2","6","4","6","1") = "6"
    & skf21("7","2","2","2","6","4","7","1") = "6"
    & skf21("7","2","2","2","6","5","1","1") = "6"
    & skf21("7","2","2","2","6","5","2","1") = "6"
    & skf21("7","2","2","2","6","5","3","1") = "6"
    & skf21("7","2","2","2","6","5","4","1") = "6"
    & skf21("7","2","2","2","6","5","5","1") = "6"
    & skf21("7","2","2","2","6","5","6","1") = "6"
    & skf21("7","2","2","2","6","5","7","1") = "6"
    & skf21("7","2","2","2","6","6","1","1") = "6"
    & skf21("7","2","2","2","6","6","2","1") = "6"
    & skf21("7","2","2","2","6","6","3","1") = "6"
    & skf21("7","2","2","2","6","6","4","1") = "6"
    & skf21("7","2","2","2","6","6","5","1") = "6"
    & skf21("7","2","2","2","6","6","6","1") = "6"
    & skf21("7","2","2","2","6","6","7","1") = "6"
    & skf21("7","2","2","2","6","7","1","1") = "6"
    & skf21("7","2","2","2","6","7","2","1") = "6"
    & skf21("7","2","2","2","6","7","3","1") = "6"
    & skf21("7","2","2","2","6","7","4","1") = "6"
    & skf21("7","2","2","2","6","7","5","1") = "6"
    & skf21("7","2","2","2","6","7","6","1") = "6"
    & skf21("7","2","2","2","6","7","7","1") = "6"
    & skf21("7","2","2","2","7","1","1","1") = "6"
    & skf21("7","2","2","2","7","1","2","1") = "6"
    & skf21("7","2","2","2","7","1","3","1") = "6"
    & skf21("7","2","2","2","7","1","4","1") = "6"
    & skf21("7","2","2","2","7","1","5","1") = "6"
    & skf21("7","2","2","2","7","1","6","1") = "6"
    & skf21("7","2","2","2","7","1","7","1") = "6"
    & skf21("7","2","2","2","7","2","1","1") = "6"
    & skf21("7","2","2","2","7","2","2","1") = "6"
    & skf21("7","2","2","2","7","2","3","1") = "6"
    & skf21("7","2","2","2","7","2","4","1") = "6"
    & skf21("7","2","2","2","7","2","5","1") = "6"
    & skf21("7","2","2","2","7","2","6","1") = "6"
    & skf21("7","2","2","2","7","2","7","1") = "6"
    & skf21("7","2","2","2","7","3","1","1") = "6"
    & skf21("7","2","2","2","7","3","2","1") = "6"
    & skf21("7","2","2","2","7","3","3","1") = "6"
    & skf21("7","2","2","2","7","3","4","1") = "6"
    & skf21("7","2","2","2","7","3","5","1") = "6"
    & skf21("7","2","2","2","7","3","6","1") = "6"
    & skf21("7","2","2","2","7","3","7","1") = "6"
    & skf21("7","2","2","2","7","4","1","1") = "6"
    & skf21("7","2","2","2","7","4","2","1") = "6"
    & skf21("7","2","2","2","7","4","3","1") = "6"
    & skf21("7","2","2","2","7","4","4","1") = "6"
    & skf21("7","2","2","2","7","4","5","1") = "6"
    & skf21("7","2","2","2","7","4","6","1") = "6"
    & skf21("7","2","2","2","7","4","7","1") = "6"
    & skf21("7","2","2","2","7","5","1","1") = "6"
    & skf21("7","2","2","2","7","5","2","1") = "6"
    & skf21("7","2","2","2","7","5","3","1") = "6"
    & skf21("7","2","2","2","7","5","4","1") = "6"
    & skf21("7","2","2","2","7","5","5","1") = "6"
    & skf21("7","2","2","2","7","5","6","1") = "6"
    & skf21("7","2","2","2","7","5","7","1") = "6"
    & skf21("7","2","2","2","7","6","1","1") = "6"
    & skf21("7","2","2","2","7","6","2","1") = "6"
    & skf21("7","2","2","2","7","6","3","1") = "6"
    & skf21("7","2","2","2","7","6","4","1") = "6"
    & skf21("7","2","2","2","7","6","5","1") = "6"
    & skf21("7","2","2","2","7","6","6","1") = "6"
    & skf21("7","2","2","2","7","6","7","1") = "6"
    & skf21("7","2","2","2","7","7","1","1") = "6"
    & skf21("7","2","2","2","7","7","2","1") = "6"
    & skf21("7","2","2","2","7","7","3","1") = "6"
    & skf21("7","2","2","2","7","7","4","1") = "6"
    & skf21("7","2","2","2","7","7","5","1") = "6"
    & skf21("7","2","2","2","7","7","6","1") = "6"
    & skf21("7","2","2","2","7","7","7","1") = "6"
    & skf21("7","2","2","3","1","1","1","1") = "6"
    & skf21("7","2","2","3","1","1","2","1") = "6"
    & skf21("7","2","2","3","1","1","3","1") = "6"
    & skf21("7","2","2","3","1","1","4","1") = "6"
    & skf21("7","2","2","3","1","1","5","1") = "6"
    & skf21("7","2","2","3","1","1","6","1") = "6"
    & skf21("7","2","2","3","1","1","7","1") = "6"
    & skf21("7","2","2","3","1","2","1","1") = "6"
    & skf21("7","2","2","3","1","2","2","1") = "6"
    & skf21("7","2","2","3","1","2","3","1") = "6"
    & skf21("7","2","2","3","1","2","4","1") = "6"
    & skf21("7","2","2","3","1","2","5","1") = "6"
    & skf21("7","2","2","3","1","2","6","1") = "6"
    & skf21("7","2","2","3","1","2","7","1") = "6"
    & skf21("7","2","2","3","1","3","1","1") = "6"
    & skf21("7","2","2","3","1","3","2","1") = "6"
    & skf21("7","2","2","3","1","3","3","1") = "6"
    & skf21("7","2","2","3","1","3","4","1") = "6"
    & skf21("7","2","2","3","1","3","5","1") = "6"
    & skf21("7","2","2","3","1","3","6","1") = "6"
    & skf21("7","2","2","3","1","3","7","1") = "6"
    & skf21("7","2","2","3","1","4","1","1") = "6"
    & skf21("7","2","2","3","1","4","2","1") = "6"
    & skf21("7","2","2","3","1","4","3","1") = "6"
    & skf21("7","2","2","3","1","4","4","1") = "6"
    & skf21("7","2","2","3","1","4","5","1") = "6"
    & skf21("7","2","2","3","1","4","6","1") = "6"
    & skf21("7","2","2","3","1","4","7","1") = "6"
    & skf21("7","2","2","3","1","5","1","1") = "6"
    & skf21("7","2","2","3","1","5","2","1") = "6"
    & skf21("7","2","2","3","1","5","3","1") = "6"
    & skf21("7","2","2","3","1","5","4","1") = "6"
    & skf21("7","2","2","3","1","5","5","1") = "6"
    & skf21("7","2","2","3","1","5","6","1") = "6"
    & skf21("7","2","2","3","1","5","7","1") = "6"
    & skf21("7","2","2","3","1","6","1","1") = "6"
    & skf21("7","2","2","3","1","6","2","1") = "6"
    & skf21("7","2","2","3","1","6","3","1") = "6"
    & skf21("7","2","2","3","1","6","4","1") = "6"
    & skf21("7","2","2","3","1","6","5","1") = "6"
    & skf21("7","2","2","3","1","6","6","1") = "6"
    & skf21("7","2","2","3","1","6","7","1") = "6"
    & skf21("7","2","2","3","1","7","1","1") = "6"
    & skf21("7","2","2","3","1","7","2","1") = "6"
    & skf21("7","2","2","3","1","7","3","1") = "6"
    & skf21("7","2","2","3","1","7","4","1") = "6"
    & skf21("7","2","2","3","1","7","5","1") = "6"
    & skf21("7","2","2","3","1","7","6","1") = "6"
    & skf21("7","2","2","3","1","7","7","1") = "6"
    & skf21("7","2","2","3","2","1","1","1") = "6"
    & skf21("7","2","2","3","2","1","2","1") = "6"
    & skf21("7","2","2","3","2","1","3","1") = "6"
    & skf21("7","2","2","3","2","1","4","1") = "6"
    & skf21("7","2","2","3","2","1","5","1") = "6"
    & skf21("7","2","2","3","2","1","6","1") = "6"
    & skf21("7","2","2","3","2","1","7","1") = "6"
    & skf21("7","2","2","3","2","2","1","1") = "6"
    & skf21("7","2","2","3","2","2","2","1") = "6"
    & skf21("7","2","2","3","2","2","3","1") = "6"
    & skf21("7","2","2","3","2","2","4","1") = "6"
    & skf21("7","2","2","3","2","2","5","1") = "6"
    & skf21("7","2","2","3","2","2","6","1") = "6"
    & skf21("7","2","2","3","2","2","7","1") = "6"
    & skf21("7","2","2","3","2","3","1","1") = "6"
    & skf21("7","2","2","3","2","3","2","1") = "6"
    & skf21("7","2","2","3","2","3","3","1") = "6"
    & skf21("7","2","2","3","2","3","4","1") = "6"
    & skf21("7","2","2","3","2","3","5","1") = "6"
    & skf21("7","2","2","3","2","3","6","1") = "6"
    & skf21("7","2","2","3","2","3","7","1") = "6"
    & skf21("7","2","2","3","2","4","1","1") = "6"
    & skf21("7","2","2","3","2","4","2","1") = "6"
    & skf21("7","2","2","3","2","4","3","1") = "6"
    & skf21("7","2","2","3","2","4","4","1") = "6"
    & skf21("7","2","2","3","2","4","5","1") = "6"
    & skf21("7","2","2","3","2","4","6","1") = "6"
    & skf21("7","2","2","3","2","4","7","1") = "6"
    & skf21("7","2","2","3","2","5","1","1") = "6"
    & skf21("7","2","2","3","2","5","2","1") = "6"
    & skf21("7","2","2","3","2","5","3","1") = "6"
    & skf21("7","2","2","3","2","5","4","1") = "6"
    & skf21("7","2","2","3","2","5","5","1") = "6"
    & skf21("7","2","2","3","2","5","6","1") = "6"
    & skf21("7","2","2","3","2","5","7","1") = "6"
    & skf21("7","2","2","3","2","6","1","1") = "6"
    & skf21("7","2","2","3","2","6","2","1") = "6"
    & skf21("7","2","2","3","2","6","3","1") = "6"
    & skf21("7","2","2","3","2","6","4","1") = "6"
    & skf21("7","2","2","3","2","6","5","1") = "6"
    & skf21("7","2","2","3","2","6","6","1") = "6"
    & skf21("7","2","2","3","2","6","7","1") = "6"
    & skf21("7","2","2","3","2","7","1","1") = "6"
    & skf21("7","2","2","3","2","7","2","1") = "6"
    & skf21("7","2","2","3","2","7","3","1") = "6"
    & skf21("7","2","2","3","2","7","4","1") = "6"
    & skf21("7","2","2","3","2","7","5","1") = "6"
    & skf21("7","2","2","3","2","7","6","1") = "6"
    & skf21("7","2","2","3","2","7","7","1") = "6"
    & skf21("7","2","2","3","3","1","1","1") = "6"
    & skf21("7","2","2","3","3","1","2","1") = "6"
    & skf21("7","2","2","3","3","1","3","1") = "6"
    & skf21("7","2","2","3","3","1","4","1") = "6"
    & skf21("7","2","2","3","3","1","5","1") = "6"
    & skf21("7","2","2","3","3","1","6","1") = "6"
    & skf21("7","2","2","3","3","1","7","1") = "6"
    & skf21("7","2","2","3","3","2","1","1") = "6"
    & skf21("7","2","2","3","3","2","2","1") = "6"
    & skf21("7","2","2","3","3","2","3","1") = "6"
    & skf21("7","2","2","3","3","2","4","1") = "6"
    & skf21("7","2","2","3","3","2","5","1") = "6"
    & skf21("7","2","2","3","3","2","6","1") = "6"
    & skf21("7","2","2","3","3","2","7","1") = "6"
    & skf21("7","2","2","3","3","3","1","1") = "6"
    & skf21("7","2","2","3","3","3","2","1") = "6"
    & skf21("7","2","2","3","3","3","3","1") = "6"
    & skf21("7","2","2","3","3","3","4","1") = "6"
    & skf21("7","2","2","3","3","3","5","1") = "6"
    & skf21("7","2","2","3","3","3","6","1") = "6"
    & skf21("7","2","2","3","3","3","7","1") = "6"
    & skf21("7","2","2","3","3","4","1","1") = "6"
    & skf21("7","2","2","3","3","4","2","1") = "6"
    & skf21("7","2","2","3","3","4","3","1") = "6"
    & skf21("7","2","2","3","3","4","4","1") = "6"
    & skf21("7","2","2","3","3","4","5","1") = "6"
    & skf21("7","2","2","3","3","4","6","1") = "6"
    & skf21("7","2","2","3","3","4","7","1") = "6"
    & skf21("7","2","2","3","3","5","1","1") = "6"
    & skf21("7","2","2","3","3","5","2","1") = "6"
    & skf21("7","2","2","3","3","5","3","1") = "6"
    & skf21("7","2","2","3","3","5","4","1") = "6"
    & skf21("7","2","2","3","3","5","5","1") = "6"
    & skf21("7","2","2","3","3","5","6","1") = "6"
    & skf21("7","2","2","3","3","5","7","1") = "6"
    & skf21("7","2","2","3","3","6","1","1") = "6"
    & skf21("7","2","2","3","3","6","2","1") = "6"
    & skf21("7","2","2","3","3","6","3","1") = "6"
    & skf21("7","2","2","3","3","6","4","1") = "6"
    & skf21("7","2","2","3","3","6","5","1") = "6"
    & skf21("7","2","2","3","3","6","6","1") = "6"
    & skf21("7","2","2","3","3","6","7","1") = "6"
    & skf21("7","2","2","3","3","7","1","1") = "6"
    & skf21("7","2","2","3","3","7","2","1") = "6"
    & skf21("7","2","2","3","3","7","3","1") = "6"
    & skf21("7","2","2","3","3","7","4","1") = "6"
    & skf21("7","2","2","3","3","7","5","1") = "6"
    & skf21("7","2","2","3","3","7","6","1") = "6"
    & skf21("7","2","2","3","3","7","7","1") = "6"
    & skf21("7","2","2","3","4","1","1","1") = "6"
    & skf21("7","2","2","3","4","1","2","1") = "6"
    & skf21("7","2","2","3","4","1","3","1") = "6"
    & skf21("7","2","2","3","4","1","4","1") = "6"
    & skf21("7","2","2","3","4","1","5","1") = "6"
    & skf21("7","2","2","3","4","1","6","1") = "6"
    & skf21("7","2","2","3","4","1","7","1") = "6"
    & skf21("7","2","2","3","4","2","1","1") = "6"
    & skf21("7","2","2","3","4","2","2","1") = "6"
    & skf21("7","2","2","3","4","2","3","1") = "6"
    & skf21("7","2","2","3","4","2","4","1") = "6"
    & skf21("7","2","2","3","4","2","5","1") = "6"
    & skf21("7","2","2","3","4","2","6","1") = "6"
    & skf21("7","2","2","3","4","2","7","1") = "6"
    & skf21("7","2","2","3","4","3","1","1") = "6"
    & skf21("7","2","2","3","4","3","2","1") = "6"
    & skf21("7","2","2","3","4","3","3","1") = "6"
    & skf21("7","2","2","3","4","3","4","1") = "6"
    & skf21("7","2","2","3","4","3","5","1") = "6"
    & skf21("7","2","2","3","4","3","6","1") = "6"
    & skf21("7","2","2","3","4","3","7","1") = "6"
    & skf21("7","2","2","3","4","4","1","1") = "6"
    & skf21("7","2","2","3","4","4","2","1") = "6"
    & skf21("7","2","2","3","4","4","3","1") = "6"
    & skf21("7","2","2","3","4","4","4","1") = "6"
    & skf21("7","2","2","3","4","4","5","1") = "6"
    & skf21("7","2","2","3","4","4","6","1") = "6"
    & skf21("7","2","2","3","4","4","7","1") = "6"
    & skf21("7","2","2","3","4","5","1","1") = "6"
    & skf21("7","2","2","3","4","5","2","1") = "6"
    & skf21("7","2","2","3","4","5","3","1") = "6"
    & skf21("7","2","2","3","4","5","4","1") = "6"
    & skf21("7","2","2","3","4","5","5","1") = "6"
    & skf21("7","2","2","3","4","5","6","1") = "6"
    & skf21("7","2","2","3","4","5","7","1") = "6"
    & skf21("7","2","2","3","4","6","1","1") = "6"
    & skf21("7","2","2","3","4","6","2","1") = "6"
    & skf21("7","2","2","3","4","6","3","1") = "6"
    & skf21("7","2","2","3","4","6","4","1") = "6"
    & skf21("7","2","2","3","4","6","5","1") = "6"
    & skf21("7","2","2","3","4","6","6","1") = "6"
    & skf21("7","2","2","3","4","6","7","1") = "6"
    & skf21("7","2","2","3","4","7","1","1") = "6"
    & skf21("7","2","2","3","4","7","2","1") = "6"
    & skf21("7","2","2","3","4","7","3","1") = "6"
    & skf21("7","2","2","3","4","7","4","1") = "6"
    & skf21("7","2","2","3","4","7","5","1") = "6"
    & skf21("7","2","2","3","4","7","6","1") = "6"
    & skf21("7","2","2","3","4","7","7","1") = "6"
    & skf21("7","2","2","3","5","1","1","1") = "6"
    & skf21("7","2","2","3","5","1","2","1") = "6"
    & skf21("7","2","2","3","5","1","3","1") = "6"
    & skf21("7","2","2","3","5","1","4","1") = "6"
    & skf21("7","2","2","3","5","1","5","1") = "6"
    & skf21("7","2","2","3","5","1","6","1") = "6"
    & skf21("7","2","2","3","5","1","7","1") = "6"
    & skf21("7","2","2","3","5","2","1","1") = "6"
    & skf21("7","2","2","3","5","2","2","1") = "6"
    & skf21("7","2","2","3","5","2","3","1") = "6"
    & skf21("7","2","2","3","5","2","4","1") = "6"
    & skf21("7","2","2","3","5","2","5","1") = "6"
    & skf21("7","2","2","3","5","2","6","1") = "6"
    & skf21("7","2","2","3","5","2","7","1") = "6"
    & skf21("7","2","2","3","5","3","1","1") = "6"
    & skf21("7","2","2","3","5","3","2","1") = "6"
    & skf21("7","2","2","3","5","3","3","1") = "6"
    & skf21("7","2","2","3","5","3","4","1") = "6"
    & skf21("7","2","2","3","5","3","5","1") = "6"
    & skf21("7","2","2","3","5","3","6","1") = "6"
    & skf21("7","2","2","3","5","3","7","1") = "6"
    & skf21("7","2","2","3","5","4","1","1") = "6"
    & skf21("7","2","2","3","5","4","2","1") = "6"
    & skf21("7","2","2","3","5","4","3","1") = "6"
    & skf21("7","2","2","3","5","4","4","1") = "6"
    & skf21("7","2","2","3","5","4","5","1") = "6"
    & skf21("7","2","2","3","5","4","6","1") = "6"
    & skf21("7","2","2","3","5","4","7","1") = "6"
    & skf21("7","2","2","3","5","5","1","1") = "6"
    & skf21("7","2","2","3","5","5","2","1") = "6"
    & skf21("7","2","2","3","5","5","3","1") = "6"
    & skf21("7","2","2","3","5","5","4","1") = "6"
    & skf21("7","2","2","3","5","5","5","1") = "6"
    & skf21("7","2","2","3","5","5","6","1") = "6"
    & skf21("7","2","2","3","5","5","7","1") = "6"
    & skf21("7","2","2","3","5","6","1","1") = "6"
    & skf21("7","2","2","3","5","6","2","1") = "6"
    & skf21("7","2","2","3","5","6","3","1") = "6"
    & skf21("7","2","2","3","5","6","4","1") = "6"
    & skf21("7","2","2","3","5","6","5","1") = "6"
    & skf21("7","2","2","3","5","6","6","1") = "6"
    & skf21("7","2","2","3","5","6","7","1") = "6"
    & skf21("7","2","2","3","5","7","1","1") = "6"
    & skf21("7","2","2","3","5","7","2","1") = "6"
    & skf21("7","2","2","3","5","7","3","1") = "6"
    & skf21("7","2","2","3","5","7","4","1") = "6"
    & skf21("7","2","2","3","5","7","5","1") = "6"
    & skf21("7","2","2","3","5","7","6","1") = "6"
    & skf21("7","2","2","3","5","7","7","1") = "6"
    & skf21("7","2","2","3","6","1","1","1") = "6"
    & skf21("7","2","2","3","6","1","2","1") = "6"
    & skf21("7","2","2","3","6","1","3","1") = "6"
    & skf21("7","2","2","3","6","1","4","1") = "6"
    & skf21("7","2","2","3","6","1","5","1") = "6"
    & skf21("7","2","2","3","6","1","6","1") = "6"
    & skf21("7","2","2","3","6","1","7","1") = "6"
    & skf21("7","2","2","3","6","2","1","1") = "6"
    & skf21("7","2","2","3","6","2","2","1") = "6"
    & skf21("7","2","2","3","6","2","3","1") = "6"
    & skf21("7","2","2","3","6","2","4","1") = "6"
    & skf21("7","2","2","3","6","2","5","1") = "6"
    & skf21("7","2","2","3","6","2","6","1") = "6"
    & skf21("7","2","2","3","6","2","7","1") = "6"
    & skf21("7","2","2","3","6","3","1","1") = "6"
    & skf21("7","2","2","3","6","3","2","1") = "6"
    & skf21("7","2","2","3","6","3","3","1") = "6"
    & skf21("7","2","2","3","6","3","4","1") = "6"
    & skf21("7","2","2","3","6","3","5","1") = "6"
    & skf21("7","2","2","3","6","3","6","1") = "6"
    & skf21("7","2","2","3","6","3","7","1") = "6"
    & skf21("7","2","2","3","6","4","1","1") = "6"
    & skf21("7","2","2","3","6","4","2","1") = "6"
    & skf21("7","2","2","3","6","4","3","1") = "6"
    & skf21("7","2","2","3","6","4","4","1") = "6"
    & skf21("7","2","2","3","6","4","5","1") = "6"
    & skf21("7","2","2","3","6","4","6","1") = "6"
    & skf21("7","2","2","3","6","4","7","1") = "6"
    & skf21("7","2","2","3","6","5","1","1") = "6"
    & skf21("7","2","2","3","6","5","2","1") = "6"
    & skf21("7","2","2","3","6","5","3","1") = "6"
    & skf21("7","2","2","3","6","5","4","1") = "6"
    & skf21("7","2","2","3","6","5","5","1") = "6"
    & skf21("7","2","2","3","6","5","6","1") = "6"
    & skf21("7","2","2","3","6","5","7","1") = "6"
    & skf21("7","2","2","3","6","6","1","1") = "6"
    & skf21("7","2","2","3","6","6","2","1") = "6"
    & skf21("7","2","2","3","6","6","3","1") = "6"
    & skf21("7","2","2","3","6","6","4","1") = "6"
    & skf21("7","2","2","3","6","6","5","1") = "6"
    & skf21("7","2","2","3","6","6","6","1") = "6"
    & skf21("7","2","2","3","6","6","7","1") = "6"
    & skf21("7","2","2","3","6","7","1","1") = "6"
    & skf21("7","2","2","3","6","7","2","1") = "6"
    & skf21("7","2","2","3","6","7","3","1") = "6"
    & skf21("7","2","2","3","6","7","4","1") = "6"
    & skf21("7","2","2","3","6","7","5","1") = "6"
    & skf21("7","2","2","3","6","7","6","1") = "6"
    & skf21("7","2","2","3","6","7","7","1") = "6"
    & skf21("7","2","2","3","7","1","1","1") = "6"
    & skf21("7","2","2","3","7","1","2","1") = "6"
    & skf21("7","2","2","3","7","1","3","1") = "6"
    & skf21("7","2","2","3","7","1","4","1") = "6"
    & skf21("7","2","2","3","7","1","5","1") = "6"
    & skf21("7","2","2","3","7","1","6","1") = "6"
    & skf21("7","2","2","3","7","1","7","1") = "6"
    & skf21("7","2","2","3","7","2","1","1") = "6"
    & skf21("7","2","2","3","7","2","2","1") = "6"
    & skf21("7","2","2","3","7","2","3","1") = "6"
    & skf21("7","2","2","3","7","2","4","1") = "6"
    & skf21("7","2","2","3","7","2","5","1") = "6"
    & skf21("7","2","2","3","7","2","6","1") = "6"
    & skf21("7","2","2","3","7","2","7","1") = "6"
    & skf21("7","2","2","3","7","3","1","1") = "6"
    & skf21("7","2","2","3","7","3","2","1") = "6"
    & skf21("7","2","2","3","7","3","3","1") = "6"
    & skf21("7","2","2","3","7","3","4","1") = "6"
    & skf21("7","2","2","3","7","3","5","1") = "6"
    & skf21("7","2","2","3","7","3","6","1") = "6"
    & skf21("7","2","2","3","7","3","7","1") = "6"
    & skf21("7","2","2","3","7","4","1","1") = "6"
    & skf21("7","2","2","3","7","4","2","1") = "6"
    & skf21("7","2","2","3","7","4","3","1") = "6"
    & skf21("7","2","2","3","7","4","4","1") = "6"
    & skf21("7","2","2","3","7","4","5","1") = "6"
    & skf21("7","2","2","3","7","4","6","1") = "6"
    & skf21("7","2","2","3","7","4","7","1") = "6"
    & skf21("7","2","2","3","7","5","1","1") = "6"
    & skf21("7","2","2","3","7","5","2","1") = "6"
    & skf21("7","2","2","3","7","5","3","1") = "6"
    & skf21("7","2","2","3","7","5","4","1") = "6"
    & skf21("7","2","2","3","7","5","5","1") = "6"
    & skf21("7","2","2","3","7","5","6","1") = "6"
    & skf21("7","2","2","3","7","5","7","1") = "6"
    & skf21("7","2","2","3","7","6","1","1") = "6"
    & skf21("7","2","2","3","7","6","2","1") = "6"
    & skf21("7","2","2","3","7","6","3","1") = "6"
    & skf21("7","2","2","3","7","6","4","1") = "6"
    & skf21("7","2","2","3","7","6","5","1") = "6"
    & skf21("7","2","2","3","7","6","6","1") = "6"
    & skf21("7","2","2","3","7","6","7","1") = "6"
    & skf21("7","2","2","3","7","7","1","1") = "6"
    & skf21("7","2","2","3","7","7","2","1") = "6"
    & skf21("7","2","2","3","7","7","3","1") = "6"
    & skf21("7","2","2","3","7","7","4","1") = "6"
    & skf21("7","2","2","3","7","7","5","1") = "6"
    & skf21("7","2","2","3","7","7","6","1") = "6"
    & skf21("7","2","2","3","7","7","7","1") = "6"
    & skf21("7","2","2","4","1","1","1","1") = "6"
    & skf21("7","2","2","4","1","1","2","1") = "6"
    & skf21("7","2","2","4","1","1","3","1") = "6"
    & skf21("7","2","2","4","1","1","4","1") = "6"
    & skf21("7","2","2","4","1","1","5","1") = "6"
    & skf21("7","2","2","4","1","1","6","1") = "6"
    & skf21("7","2","2","4","1","1","7","1") = "6"
    & skf21("7","2","2","4","1","2","1","1") = "6"
    & skf21("7","2","2","4","1","2","2","1") = "6"
    & skf21("7","2","2","4","1","2","3","1") = "6"
    & skf21("7","2","2","4","1","2","4","1") = "6"
    & skf21("7","2","2","4","1","2","5","1") = "6"
    & skf21("7","2","2","4","1","2","6","1") = "6"
    & skf21("7","2","2","4","1","2","7","1") = "6"
    & skf21("7","2","2","4","1","3","1","1") = "6"
    & skf21("7","2","2","4","1","3","2","1") = "6"
    & skf21("7","2","2","4","1","3","3","1") = "6"
    & skf21("7","2","2","4","1","3","4","1") = "6"
    & skf21("7","2","2","4","1","3","5","1") = "6"
    & skf21("7","2","2","4","1","3","6","1") = "6"
    & skf21("7","2","2","4","1","3","7","1") = "6"
    & skf21("7","2","2","4","1","4","1","1") = "6"
    & skf21("7","2","2","4","1","4","2","1") = "6"
    & skf21("7","2","2","4","1","4","3","1") = "6"
    & skf21("7","2","2","4","1","4","4","1") = "6"
    & skf21("7","2","2","4","1","4","5","1") = "6"
    & skf21("7","2","2","4","1","4","6","1") = "6"
    & skf21("7","2","2","4","1","4","7","1") = "6"
    & skf21("7","2","2","4","1","5","1","1") = "6"
    & skf21("7","2","2","4","1","5","2","1") = "6"
    & skf21("7","2","2","4","1","5","3","1") = "6"
    & skf21("7","2","2","4","1","5","4","1") = "6"
    & skf21("7","2","2","4","1","5","5","1") = "6"
    & skf21("7","2","2","4","1","5","6","1") = "6"
    & skf21("7","2","2","4","1","5","7","1") = "6"
    & skf21("7","2","2","4","1","6","1","1") = "6"
    & skf21("7","2","2","4","1","6","2","1") = "6"
    & skf21("7","2","2","4","1","6","3","1") = "6"
    & skf21("7","2","2","4","1","6","4","1") = "6"
    & skf21("7","2","2","4","1","6","5","1") = "6"
    & skf21("7","2","2","4","1","6","6","1") = "6"
    & skf21("7","2","2","4","1","6","7","1") = "6"
    & skf21("7","2","2","4","1","7","1","1") = "6"
    & skf21("7","2","2","4","1","7","2","1") = "6"
    & skf21("7","2","2","4","1","7","3","1") = "6"
    & skf21("7","2","2","4","1","7","4","1") = "6"
    & skf21("7","2","2","4","1","7","5","1") = "6"
    & skf21("7","2","2","4","1","7","6","1") = "6"
    & skf21("7","2","2","4","1","7","7","1") = "6"
    & skf21("7","2","2","4","2","1","1","1") = "6"
    & skf21("7","2","2","4","2","1","2","1") = "6"
    & skf21("7","2","2","4","2","1","3","1") = "6"
    & skf21("7","2","2","4","2","1","4","1") = "6"
    & skf21("7","2","2","4","2","1","5","1") = "6"
    & skf21("7","2","2","4","2","1","6","1") = "6"
    & skf21("7","2","2","4","2","1","7","1") = "6"
    & skf21("7","2","2","4","2","2","1","1") = "6"
    & skf21("7","2","2","4","2","2","2","1") = "6"
    & skf21("7","2","2","4","2","2","3","1") = "6"
    & skf21("7","2","2","4","2","2","4","1") = "6"
    & skf21("7","2","2","4","2","2","5","1") = "6"
    & skf21("7","2","2","4","2","2","6","1") = "6"
    & skf21("7","2","2","4","2","2","7","1") = "6"
    & skf21("7","2","2","4","2","3","1","1") = "6"
    & skf21("7","2","2","4","2","3","2","1") = "6"
    & skf21("7","2","2","4","2","3","3","1") = "6"
    & skf21("7","2","2","4","2","3","4","1") = "6"
    & skf21("7","2","2","4","2","3","5","1") = "6"
    & skf21("7","2","2","4","2","3","6","1") = "6"
    & skf21("7","2","2","4","2","3","7","1") = "6"
    & skf21("7","2","2","4","2","4","1","1") = "6"
    & skf21("7","2","2","4","2","4","2","1") = "6"
    & skf21("7","2","2","4","2","4","3","1") = "6"
    & skf21("7","2","2","4","2","4","4","1") = "6"
    & skf21("7","2","2","4","2","4","5","1") = "6"
    & skf21("7","2","2","4","2","4","6","1") = "6"
    & skf21("7","2","2","4","2","4","7","1") = "6"
    & skf21("7","2","2","4","2","5","1","1") = "6"
    & skf21("7","2","2","4","2","5","2","1") = "6"
    & skf21("7","2","2","4","2","5","3","1") = "6"
    & skf21("7","2","2","4","2","5","4","1") = "6"
    & skf21("7","2","2","4","2","5","5","1") = "6"
    & skf21("7","2","2","4","2","5","6","1") = "6"
    & skf21("7","2","2","4","2","5","7","1") = "6"
    & skf21("7","2","2","4","2","6","1","1") = "6"
    & skf21("7","2","2","4","2","6","2","1") = "6"
    & skf21("7","2","2","4","2","6","3","1") = "6"
    & skf21("7","2","2","4","2","6","4","1") = "6"
    & skf21("7","2","2","4","2","6","5","1") = "6"
    & skf21("7","2","2","4","2","6","6","1") = "6"
    & skf21("7","2","2","4","2","6","7","1") = "6"
    & skf21("7","2","2","4","2","7","1","1") = "6"
    & skf21("7","2","2","4","2","7","2","1") = "6"
    & skf21("7","2","2","4","2","7","3","1") = "6"
    & skf21("7","2","2","4","2","7","4","1") = "6"
    & skf21("7","2","2","4","2","7","5","1") = "6"
    & skf21("7","2","2","4","2","7","6","1") = "6"
    & skf21("7","2","2","4","2","7","7","1") = "6"
    & skf21("7","2","2","4","3","1","1","1") = "6"
    & skf21("7","2","2","4","3","1","2","1") = "6"
    & skf21("7","2","2","4","3","1","3","1") = "6"
    & skf21("7","2","2","4","3","1","4","1") = "6"
    & skf21("7","2","2","4","3","1","5","1") = "6"
    & skf21("7","2","2","4","3","1","6","1") = "6"
    & skf21("7","2","2","4","3","1","7","1") = "6"
    & skf21("7","2","2","4","3","2","1","1") = "6"
    & skf21("7","2","2","4","3","2","2","1") = "6"
    & skf21("7","2","2","4","3","2","3","1") = "6"
    & skf21("7","2","2","4","3","2","4","1") = "6"
    & skf21("7","2","2","4","3","2","5","1") = "6"
    & skf21("7","2","2","4","3","2","6","1") = "6"
    & skf21("7","2","2","4","3","2","7","1") = "6"
    & skf21("7","2","2","4","3","3","1","1") = "6"
    & skf21("7","2","2","4","3","3","2","1") = "6"
    & skf21("7","2","2","4","3","3","3","1") = "6"
    & skf21("7","2","2","4","3","3","4","1") = "6"
    & skf21("7","2","2","4","3","3","5","1") = "6"
    & skf21("7","2","2","4","3","3","6","1") = "6"
    & skf21("7","2","2","4","3","3","7","1") = "6"
    & skf21("7","2","2","4","3","4","1","1") = "6"
    & skf21("7","2","2","4","3","4","2","1") = "6"
    & skf21("7","2","2","4","3","4","3","1") = "6"
    & skf21("7","2","2","4","3","4","4","1") = "6"
    & skf21("7","2","2","4","3","4","5","1") = "6"
    & skf21("7","2","2","4","3","4","6","1") = "6"
    & skf21("7","2","2","4","3","4","7","1") = "6"
    & skf21("7","2","2","4","3","5","1","1") = "6"
    & skf21("7","2","2","4","3","5","2","1") = "6"
    & skf21("7","2","2","4","3","5","3","1") = "6"
    & skf21("7","2","2","4","3","5","4","1") = "6"
    & skf21("7","2","2","4","3","5","5","1") = "6"
    & skf21("7","2","2","4","3","5","6","1") = "6"
    & skf21("7","2","2","4","3","5","7","1") = "6"
    & skf21("7","2","2","4","3","6","1","1") = "6"
    & skf21("7","2","2","4","3","6","2","1") = "6"
    & skf21("7","2","2","4","3","6","3","1") = "6"
    & skf21("7","2","2","4","3","6","4","1") = "6"
    & skf21("7","2","2","4","3","6","5","1") = "6"
    & skf21("7","2","2","4","3","6","6","1") = "6"
    & skf21("7","2","2","4","3","6","7","1") = "6"
    & skf21("7","2","2","4","3","7","1","1") = "6"
    & skf21("7","2","2","4","3","7","2","1") = "6"
    & skf21("7","2","2","4","3","7","3","1") = "6"
    & skf21("7","2","2","4","3","7","4","1") = "6"
    & skf21("7","2","2","4","3","7","5","1") = "6"
    & skf21("7","2","2","4","3","7","6","1") = "6"
    & skf21("7","2","2","4","3","7","7","1") = "6"
    & skf21("7","2","2","4","4","1","1","1") = "6"
    & skf21("7","2","2","4","4","1","2","1") = "6"
    & skf21("7","2","2","4","4","1","3","1") = "6"
    & skf21("7","2","2","4","4","1","4","1") = "6"
    & skf21("7","2","2","4","4","1","5","1") = "6"
    & skf21("7","2","2","4","4","1","6","1") = "6"
    & skf21("7","2","2","4","4","1","7","1") = "6"
    & skf21("7","2","2","4","4","2","1","1") = "6"
    & skf21("7","2","2","4","4","2","2","1") = "6"
    & skf21("7","2","2","4","4","2","3","1") = "6"
    & skf21("7","2","2","4","4","2","4","1") = "6"
    & skf21("7","2","2","4","4","2","5","1") = "6"
    & skf21("7","2","2","4","4","2","6","1") = "6"
    & skf21("7","2","2","4","4","2","7","1") = "6"
    & skf21("7","2","2","4","4","3","1","1") = "6"
    & skf21("7","2","2","4","4","3","2","1") = "6"
    & skf21("7","2","2","4","4","3","3","1") = "6"
    & skf21("7","2","2","4","4","3","4","1") = "6"
    & skf21("7","2","2","4","4","3","5","1") = "6"
    & skf21("7","2","2","4","4","3","6","1") = "6"
    & skf21("7","2","2","4","4","3","7","1") = "6"
    & skf21("7","2","2","4","4","4","1","1") = "6"
    & skf21("7","2","2","4","4","4","2","1") = "6"
    & skf21("7","2","2","4","4","4","3","1") = "6"
    & skf21("7","2","2","4","4","4","4","1") = "6"
    & skf21("7","2","2","4","4","4","5","1") = "6"
    & skf21("7","2","2","4","4","4","6","1") = "6"
    & skf21("7","2","2","4","4","4","7","1") = "6"
    & skf21("7","2","2","4","4","5","1","1") = "6"
    & skf21("7","2","2","4","4","5","2","1") = "6"
    & skf21("7","2","2","4","4","5","3","1") = "6"
    & skf21("7","2","2","4","4","5","4","1") = "6"
    & skf21("7","2","2","4","4","5","5","1") = "6"
    & skf21("7","2","2","4","4","5","6","1") = "6"
    & skf21("7","2","2","4","4","5","7","1") = "6"
    & skf21("7","2","2","4","4","6","1","1") = "6"
    & skf21("7","2","2","4","4","6","2","1") = "6"
    & skf21("7","2","2","4","4","6","3","1") = "6"
    & skf21("7","2","2","4","4","6","4","1") = "6"
    & skf21("7","2","2","4","4","6","5","1") = "6"
    & skf21("7","2","2","4","4","6","6","1") = "6"
    & skf21("7","2","2","4","4","6","7","1") = "6"
    & skf21("7","2","2","4","4","7","1","1") = "6"
    & skf21("7","2","2","4","4","7","2","1") = "6"
    & skf21("7","2","2","4","4","7","3","1") = "6"
    & skf21("7","2","2","4","4","7","4","1") = "6"
    & skf21("7","2","2","4","4","7","5","1") = "6"
    & skf21("7","2","2","4","4","7","6","1") = "6"
    & skf21("7","2","2","4","4","7","7","1") = "6"
    & skf21("7","2","2","4","5","1","1","1") = "6"
    & skf21("7","2","2","4","5","1","2","1") = "6"
    & skf21("7","2","2","4","5","1","3","1") = "6"
    & skf21("7","2","2","4","5","1","4","1") = "6"
    & skf21("7","2","2","4","5","1","5","1") = "6"
    & skf21("7","2","2","4","5","1","6","1") = "6"
    & skf21("7","2","2","4","5","1","7","1") = "6"
    & skf21("7","2","2","4","5","2","1","1") = "6"
    & skf21("7","2","2","4","5","2","2","1") = "6"
    & skf21("7","2","2","4","5","2","3","1") = "6"
    & skf21("7","2","2","4","5","2","4","1") = "6"
    & skf21("7","2","2","4","5","2","5","1") = "6"
    & skf21("7","2","2","4","5","2","6","1") = "6"
    & skf21("7","2","2","4","5","2","7","1") = "6"
    & skf21("7","2","2","4","5","3","1","1") = "6"
    & skf21("7","2","2","4","5","3","2","1") = "6"
    & skf21("7","2","2","4","5","3","3","1") = "6"
    & skf21("7","2","2","4","5","3","4","1") = "6"
    & skf21("7","2","2","4","5","3","5","1") = "6"
    & skf21("7","2","2","4","5","3","6","1") = "6"
    & skf21("7","2","2","4","5","3","7","1") = "6"
    & skf21("7","2","2","4","5","4","1","1") = "6"
    & skf21("7","2","2","4","5","4","2","1") = "6"
    & skf21("7","2","2","4","5","4","3","1") = "6"
    & skf21("7","2","2","4","5","4","4","1") = "6"
    & skf21("7","2","2","4","5","4","5","1") = "6"
    & skf21("7","2","2","4","5","4","6","1") = "6"
    & skf21("7","2","2","4","5","4","7","1") = "6"
    & skf21("7","2","2","4","5","5","1","1") = "6"
    & skf21("7","2","2","4","5","5","2","1") = "6"
    & skf21("7","2","2","4","5","5","3","1") = "6"
    & skf21("7","2","2","4","5","5","4","1") = "6"
    & skf21("7","2","2","4","5","5","5","1") = "6"
    & skf21("7","2","2","4","5","5","6","1") = "6"
    & skf21("7","2","2","4","5","5","7","1") = "6"
    & skf21("7","2","2","4","5","6","1","1") = "6"
    & skf21("7","2","2","4","5","6","2","1") = "6"
    & skf21("7","2","2","4","5","6","3","1") = "6"
    & skf21("7","2","2","4","5","6","4","1") = "6"
    & skf21("7","2","2","4","5","6","5","1") = "6"
    & skf21("7","2","2","4","5","6","6","1") = "6"
    & skf21("7","2","2","4","5","6","7","1") = "6"
    & skf21("7","2","2","4","5","7","1","1") = "6"
    & skf21("7","2","2","4","5","7","2","1") = "6"
    & skf21("7","2","2","4","5","7","3","1") = "6"
    & skf21("7","2","2","4","5","7","4","1") = "6"
    & skf21("7","2","2","4","5","7","5","1") = "6"
    & skf21("7","2","2","4","5","7","6","1") = "6"
    & skf21("7","2","2","4","5","7","7","1") = "6"
    & skf21("7","2","2","4","6","1","1","1") = "6"
    & skf21("7","2","2","4","6","1","2","1") = "6"
    & skf21("7","2","2","4","6","1","3","1") = "6"
    & skf21("7","2","2","4","6","1","4","1") = "6"
    & skf21("7","2","2","4","6","1","5","1") = "6"
    & skf21("7","2","2","4","6","1","6","1") = "6"
    & skf21("7","2","2","4","6","1","7","1") = "6"
    & skf21("7","2","2","4","6","2","1","1") = "6"
    & skf21("7","2","2","4","6","2","2","1") = "6"
    & skf21("7","2","2","4","6","2","3","1") = "6"
    & skf21("7","2","2","4","6","2","4","1") = "6"
    & skf21("7","2","2","4","6","2","5","1") = "6"
    & skf21("7","2","2","4","6","2","6","1") = "6"
    & skf21("7","2","2","4","6","2","7","1") = "6"
    & skf21("7","2","2","4","6","3","1","1") = "6"
    & skf21("7","2","2","4","6","3","2","1") = "6"
    & skf21("7","2","2","4","6","3","3","1") = "6"
    & skf21("7","2","2","4","6","3","4","1") = "6"
    & skf21("7","2","2","4","6","3","5","1") = "6"
    & skf21("7","2","2","4","6","3","6","1") = "6"
    & skf21("7","2","2","4","6","3","7","1") = "6"
    & skf21("7","2","2","4","6","4","1","1") = "6"
    & skf21("7","2","2","4","6","4","2","1") = "6"
    & skf21("7","2","2","4","6","4","3","1") = "6"
    & skf21("7","2","2","4","6","4","4","1") = "6"
    & skf21("7","2","2","4","6","4","5","1") = "6"
    & skf21("7","2","2","4","6","4","6","1") = "6"
    & skf21("7","2","2","4","6","4","7","1") = "6"
    & skf21("7","2","2","4","6","5","1","1") = "6"
    & skf21("7","2","2","4","6","5","2","1") = "6"
    & skf21("7","2","2","4","6","5","3","1") = "6"
    & skf21("7","2","2","4","6","5","4","1") = "6"
    & skf21("7","2","2","4","6","5","5","1") = "6"
    & skf21("7","2","2","4","6","5","6","1") = "6"
    & skf21("7","2","2","4","6","5","7","1") = "6"
    & skf21("7","2","2","4","6","6","1","1") = "6"
    & skf21("7","2","2","4","6","6","2","1") = "6"
    & skf21("7","2","2","4","6","6","3","1") = "6"
    & skf21("7","2","2","4","6","6","4","1") = "6"
    & skf21("7","2","2","4","6","6","5","1") = "6"
    & skf21("7","2","2","4","6","6","6","1") = "6"
    & skf21("7","2","2","4","6","6","7","1") = "6"
    & skf21("7","2","2","4","6","7","1","1") = "6"
    & skf21("7","2","2","4","6","7","2","1") = "6"
    & skf21("7","2","2","4","6","7","3","1") = "6"
    & skf21("7","2","2","4","6","7","4","1") = "6"
    & skf21("7","2","2","4","6","7","5","1") = "6"
    & skf21("7","2","2","4","6","7","6","1") = "6"
    & skf21("7","2","2","4","6","7","7","1") = "6"
    & skf21("7","2","2","4","7","1","1","1") = "6"
    & skf21("7","2","2","4","7","1","2","1") = "6"
    & skf21("7","2","2","4","7","1","3","1") = "6"
    & skf21("7","2","2","4","7","1","4","1") = "6"
    & skf21("7","2","2","4","7","1","5","1") = "6"
    & skf21("7","2","2","4","7","1","6","1") = "6"
    & skf21("7","2","2","4","7","1","7","1") = "6"
    & skf21("7","2","2","4","7","2","1","1") = "6"
    & skf21("7","2","2","4","7","2","2","1") = "6"
    & skf21("7","2","2","4","7","2","3","1") = "6"
    & skf21("7","2","2","4","7","2","4","1") = "6"
    & skf21("7","2","2","4","7","2","5","1") = "6"
    & skf21("7","2","2","4","7","2","6","1") = "6"
    & skf21("7","2","2","4","7","2","7","1") = "6"
    & skf21("7","2","2","4","7","3","1","1") = "6"
    & skf21("7","2","2","4","7","3","2","1") = "6"
    & skf21("7","2","2","4","7","3","3","1") = "6"
    & skf21("7","2","2","4","7","3","4","1") = "6"
    & skf21("7","2","2","4","7","3","5","1") = "6"
    & skf21("7","2","2","4","7","3","6","1") = "6"
    & skf21("7","2","2","4","7","3","7","1") = "6"
    & skf21("7","2","2","4","7","4","1","1") = "6"
    & skf21("7","2","2","4","7","4","2","1") = "6"
    & skf21("7","2","2","4","7","4","3","1") = "6"
    & skf21("7","2","2","4","7","4","4","1") = "6"
    & skf21("7","2","2","4","7","4","5","1") = "6"
    & skf21("7","2","2","4","7","4","6","1") = "6"
    & skf21("7","2","2","4","7","4","7","1") = "6"
    & skf21("7","2","2","4","7","5","1","1") = "6"
    & skf21("7","2","2","4","7","5","2","1") = "6"
    & skf21("7","2","2","4","7","5","3","1") = "6"
    & skf21("7","2","2","4","7","5","4","1") = "6"
    & skf21("7","2","2","4","7","5","5","1") = "6"
    & skf21("7","2","2","4","7","5","6","1") = "6"
    & skf21("7","2","2","4","7","5","7","1") = "6"
    & skf21("7","2","2","4","7","6","1","1") = "6"
    & skf21("7","2","2","4","7","6","2","1") = "6"
    & skf21("7","2","2","4","7","6","3","1") = "6"
    & skf21("7","2","2","4","7","6","4","1") = "6"
    & skf21("7","2","2","4","7","6","5","1") = "6"
    & skf21("7","2","2","4","7","6","6","1") = "6"
    & skf21("7","2","2","4","7","6","7","1") = "6"
    & skf21("7","2","2","4","7","7","1","1") = "6"
    & skf21("7","2","2","4","7","7","2","1") = "6"
    & skf21("7","2","2","4","7","7","3","1") = "6"
    & skf21("7","2","2","4","7","7","4","1") = "6"
    & skf21("7","2","2","4","7","7","5","1") = "6"
    & skf21("7","2","2","4","7","7","6","1") = "6"
    & skf21("7","2","2","4","7","7","7","1") = "6"
    & skf21("7","2","2","5","1","1","1","1") = "6"
    & skf21("7","2","2","5","1","1","2","1") = "6"
    & skf21("7","2","2","5","1","1","3","1") = "6"
    & skf21("7","2","2","5","1","1","4","1") = "6"
    & skf21("7","2","2","5","1","1","5","1") = "6"
    & skf21("7","2","2","5","1","1","6","1") = "6"
    & skf21("7","2","2","5","1","1","7","1") = "6"
    & skf21("7","2","2","5","1","2","1","1") = "6"
    & skf21("7","2","2","5","1","2","2","1") = "6"
    & skf21("7","2","2","5","1","2","3","1") = "6"
    & skf21("7","2","2","5","1","2","4","1") = "6"
    & skf21("7","2","2","5","1","2","5","1") = "6"
    & skf21("7","2","2","5","1","2","6","1") = "6"
    & skf21("7","2","2","5","1","2","7","1") = "6"
    & skf21("7","2","2","5","1","3","1","1") = "6"
    & skf21("7","2","2","5","1","3","2","1") = "6"
    & skf21("7","2","2","5","1","3","3","1") = "6"
    & skf21("7","2","2","5","1","3","4","1") = "6"
    & skf21("7","2","2","5","1","3","5","1") = "6"
    & skf21("7","2","2","5","1","3","6","1") = "6"
    & skf21("7","2","2","5","1","3","7","1") = "6"
    & skf21("7","2","2","5","1","4","1","1") = "6"
    & skf21("7","2","2","5","1","4","2","1") = "6"
    & skf21("7","2","2","5","1","4","3","1") = "6"
    & skf21("7","2","2","5","1","4","4","1") = "6"
    & skf21("7","2","2","5","1","4","5","1") = "6"
    & skf21("7","2","2","5","1","4","6","1") = "6"
    & skf21("7","2","2","5","1","4","7","1") = "6"
    & skf21("7","2","2","5","1","5","1","1") = "6"
    & skf21("7","2","2","5","1","5","2","1") = "6"
    & skf21("7","2","2","5","1","5","3","1") = "6"
    & skf21("7","2","2","5","1","5","4","1") = "6"
    & skf21("7","2","2","5","1","5","5","1") = "6"
    & skf21("7","2","2","5","1","5","6","1") = "6"
    & skf21("7","2","2","5","1","5","7","1") = "6"
    & skf21("7","2","2","5","1","6","1","1") = "6"
    & skf21("7","2","2","5","1","6","2","1") = "6"
    & skf21("7","2","2","5","1","6","3","1") = "6"
    & skf21("7","2","2","5","1","6","4","1") = "6"
    & skf21("7","2","2","5","1","6","5","1") = "6"
    & skf21("7","2","2","5","1","6","6","1") = "6"
    & skf21("7","2","2","5","1","6","7","1") = "6"
    & skf21("7","2","2","5","1","7","1","1") = "6"
    & skf21("7","2","2","5","1","7","2","1") = "6"
    & skf21("7","2","2","5","1","7","3","1") = "6"
    & skf21("7","2","2","5","1","7","4","1") = "6"
    & skf21("7","2","2","5","1","7","5","1") = "6"
    & skf21("7","2","2","5","1","7","6","1") = "6"
    & skf21("7","2","2","5","1","7","7","1") = "6"
    & skf21("7","2","2","5","2","1","1","1") = "6"
    & skf21("7","2","2","5","2","1","2","1") = "6"
    & skf21("7","2","2","5","2","1","3","1") = "6"
    & skf21("7","2","2","5","2","1","4","1") = "6"
    & skf21("7","2","2","5","2","1","5","1") = "6"
    & skf21("7","2","2","5","2","1","6","1") = "6"
    & skf21("7","2","2","5","2","1","7","1") = "6"
    & skf21("7","2","2","5","2","2","1","1") = "6"
    & skf21("7","2","2","5","2","2","2","1") = "6"
    & skf21("7","2","2","5","2","2","3","1") = "6"
    & skf21("7","2","2","5","2","2","4","1") = "6"
    & skf21("7","2","2","5","2","2","5","1") = "6"
    & skf21("7","2","2","5","2","2","6","1") = "6"
    & skf21("7","2","2","5","2","2","7","1") = "6"
    & skf21("7","2","2","5","2","3","1","1") = "6"
    & skf21("7","2","2","5","2","3","2","1") = "6"
    & skf21("7","2","2","5","2","3","3","1") = "6"
    & skf21("7","2","2","5","2","3","4","1") = "6"
    & skf21("7","2","2","5","2","3","5","1") = "6"
    & skf21("7","2","2","5","2","3","6","1") = "6"
    & skf21("7","2","2","5","2","3","7","1") = "6"
    & skf21("7","2","2","5","2","4","1","1") = "6"
    & skf21("7","2","2","5","2","4","2","1") = "6"
    & skf21("7","2","2","5","2","4","3","1") = "6"
    & skf21("7","2","2","5","2","4","4","1") = "6"
    & skf21("7","2","2","5","2","4","5","1") = "6"
    & skf21("7","2","2","5","2","4","6","1") = "6"
    & skf21("7","2","2","5","2","4","7","1") = "6"
    & skf21("7","2","2","5","2","5","1","1") = "6"
    & skf21("7","2","2","5","2","5","2","1") = "6"
    & skf21("7","2","2","5","2","5","3","1") = "6"
    & skf21("7","2","2","5","2","5","4","1") = "6"
    & skf21("7","2","2","5","2","5","5","1") = "6"
    & skf21("7","2","2","5","2","5","6","1") = "6"
    & skf21("7","2","2","5","2","5","7","1") = "6"
    & skf21("7","2","2","5","2","6","1","1") = "6"
    & skf21("7","2","2","5","2","6","2","1") = "6"
    & skf21("7","2","2","5","2","6","3","1") = "6"
    & skf21("7","2","2","5","2","6","4","1") = "6"
    & skf21("7","2","2","5","2","6","5","1") = "6"
    & skf21("7","2","2","5","2","6","6","1") = "6"
    & skf21("7","2","2","5","2","6","7","1") = "6"
    & skf21("7","2","2","5","2","7","1","1") = "6"
    & skf21("7","2","2","5","2","7","2","1") = "6"
    & skf21("7","2","2","5","2","7","3","1") = "6"
    & skf21("7","2","2","5","2","7","4","1") = "6"
    & skf21("7","2","2","5","2","7","5","1") = "6"
    & skf21("7","2","2","5","2","7","6","1") = "6"
    & skf21("7","2","2","5","2","7","7","1") = "6"
    & skf21("7","2","2","5","3","1","1","1") = "6"
    & skf21("7","2","2","5","3","1","2","1") = "6"
    & skf21("7","2","2","5","3","1","3","1") = "6"
    & skf21("7","2","2","5","3","1","4","1") = "6"
    & skf21("7","2","2","5","3","1","5","1") = "6"
    & skf21("7","2","2","5","3","1","6","1") = "6"
    & skf21("7","2","2","5","3","1","7","1") = "6"
    & skf21("7","2","2","5","3","2","1","1") = "6"
    & skf21("7","2","2","5","3","2","2","1") = "6"
    & skf21("7","2","2","5","3","2","3","1") = "6"
    & skf21("7","2","2","5","3","2","4","1") = "6"
    & skf21("7","2","2","5","3","2","5","1") = "6"
    & skf21("7","2","2","5","3","2","6","1") = "6"
    & skf21("7","2","2","5","3","2","7","1") = "6"
    & skf21("7","2","2","5","3","3","1","1") = "6"
    & skf21("7","2","2","5","3","3","2","1") = "6"
    & skf21("7","2","2","5","3","3","3","1") = "6"
    & skf21("7","2","2","5","3","3","4","1") = "6"
    & skf21("7","2","2","5","3","3","5","1") = "6"
    & skf21("7","2","2","5","3","3","6","1") = "6"
    & skf21("7","2","2","5","3","3","7","1") = "6"
    & skf21("7","2","2","5","3","4","1","1") = "6"
    & skf21("7","2","2","5","3","4","2","1") = "6"
    & skf21("7","2","2","5","3","4","3","1") = "6"
    & skf21("7","2","2","5","3","4","4","1") = "6"
    & skf21("7","2","2","5","3","4","5","1") = "6"
    & skf21("7","2","2","5","3","4","6","1") = "6"
    & skf21("7","2","2","5","3","4","7","1") = "6"
    & skf21("7","2","2","5","3","5","1","1") = "6"
    & skf21("7","2","2","5","3","5","2","1") = "6"
    & skf21("7","2","2","5","3","5","3","1") = "6"
    & skf21("7","2","2","5","3","5","4","1") = "6"
    & skf21("7","2","2","5","3","5","5","1") = "6"
    & skf21("7","2","2","5","3","5","6","1") = "6"
    & skf21("7","2","2","5","3","5","7","1") = "6"
    & skf21("7","2","2","5","3","6","1","1") = "6"
    & skf21("7","2","2","5","3","6","2","1") = "6"
    & skf21("7","2","2","5","3","6","3","1") = "6"
    & skf21("7","2","2","5","3","6","4","1") = "6"
    & skf21("7","2","2","5","3","6","5","1") = "6"
    & skf21("7","2","2","5","3","6","6","1") = "6"
    & skf21("7","2","2","5","3","6","7","1") = "6"
    & skf21("7","2","2","5","3","7","1","1") = "6"
    & skf21("7","2","2","5","3","7","2","1") = "6"
    & skf21("7","2","2","5","3","7","3","1") = "6"
    & skf21("7","2","2","5","3","7","4","1") = "6"
    & skf21("7","2","2","5","3","7","5","1") = "6"
    & skf21("7","2","2","5","3","7","6","1") = "6"
    & skf21("7","2","2","5","3","7","7","1") = "6"
    & skf21("7","2","2","5","4","1","1","1") = "6"
    & skf21("7","2","2","5","4","1","2","1") = "6"
    & skf21("7","2","2","5","4","1","3","1") = "6"
    & skf21("7","2","2","5","4","1","4","1") = "6"
    & skf21("7","2","2","5","4","1","5","1") = "6"
    & skf21("7","2","2","5","4","1","6","1") = "6"
    & skf21("7","2","2","5","4","1","7","1") = "6"
    & skf21("7","2","2","5","4","2","1","1") = "6"
    & skf21("7","2","2","5","4","2","2","1") = "6"
    & skf21("7","2","2","5","4","2","3","1") = "6"
    & skf21("7","2","2","5","4","2","4","1") = "6"
    & skf21("7","2","2","5","4","2","5","1") = "6"
    & skf21("7","2","2","5","4","2","6","1") = "6"
    & skf21("7","2","2","5","4","2","7","1") = "6"
    & skf21("7","2","2","5","4","3","1","1") = "6"
    & skf21("7","2","2","5","4","3","2","1") = "6"
    & skf21("7","2","2","5","4","3","3","1") = "6"
    & skf21("7","2","2","5","4","3","4","1") = "6"
    & skf21("7","2","2","5","4","3","5","1") = "6"
    & skf21("7","2","2","5","4","3","6","1") = "6"
    & skf21("7","2","2","5","4","3","7","1") = "6"
    & skf21("7","2","2","5","4","4","1","1") = "6"
    & skf21("7","2","2","5","4","4","2","1") = "6"
    & skf21("7","2","2","5","4","4","3","1") = "6"
    & skf21("7","2","2","5","4","4","4","1") = "6"
    & skf21("7","2","2","5","4","4","5","1") = "6"
    & skf21("7","2","2","5","4","4","6","1") = "6"
    & skf21("7","2","2","5","4","4","7","1") = "6"
    & skf21("7","2","2","5","4","5","1","1") = "6"
    & skf21("7","2","2","5","4","5","2","1") = "6"
    & skf21("7","2","2","5","4","5","3","1") = "6"
    & skf21("7","2","2","5","4","5","4","1") = "6"
    & skf21("7","2","2","5","4","5","5","1") = "6"
    & skf21("7","2","2","5","4","5","6","1") = "6"
    & skf21("7","2","2","5","4","5","7","1") = "6"
    & skf21("7","2","2","5","4","6","1","1") = "6"
    & skf21("7","2","2","5","4","6","2","1") = "6"
    & skf21("7","2","2","5","4","6","3","1") = "6"
    & skf21("7","2","2","5","4","6","4","1") = "6"
    & skf21("7","2","2","5","4","6","5","1") = "6"
    & skf21("7","2","2","5","4","6","6","1") = "6"
    & skf21("7","2","2","5","4","6","7","1") = "6"
    & skf21("7","2","2","5","4","7","1","1") = "6"
    & skf21("7","2","2","5","4","7","2","1") = "6"
    & skf21("7","2","2","5","4","7","3","1") = "6"
    & skf21("7","2","2","5","4","7","4","1") = "6"
    & skf21("7","2","2","5","4","7","5","1") = "6"
    & skf21("7","2","2","5","4","7","6","1") = "6"
    & skf21("7","2","2","5","4","7","7","1") = "6"
    & skf21("7","2","2","5","5","1","1","1") = "6"
    & skf21("7","2","2","5","5","1","2","1") = "6"
    & skf21("7","2","2","5","5","1","3","1") = "6"
    & skf21("7","2","2","5","5","1","4","1") = "6"
    & skf21("7","2","2","5","5","1","5","1") = "6"
    & skf21("7","2","2","5","5","1","6","1") = "6"
    & skf21("7","2","2","5","5","1","7","1") = "6"
    & skf21("7","2","2","5","5","2","1","1") = "6"
    & skf21("7","2","2","5","5","2","2","1") = "6"
    & skf21("7","2","2","5","5","2","3","1") = "6"
    & skf21("7","2","2","5","5","2","4","1") = "6"
    & skf21("7","2","2","5","5","2","5","1") = "6"
    & skf21("7","2","2","5","5","2","6","1") = "6"
    & skf21("7","2","2","5","5","2","7","1") = "6"
    & skf21("7","2","2","5","5","3","1","1") = "6"
    & skf21("7","2","2","5","5","3","2","1") = "6"
    & skf21("7","2","2","5","5","3","3","1") = "6"
    & skf21("7","2","2","5","5","3","4","1") = "6"
    & skf21("7","2","2","5","5","3","5","1") = "6"
    & skf21("7","2","2","5","5","3","6","1") = "6"
    & skf21("7","2","2","5","5","3","7","1") = "6"
    & skf21("7","2","2","5","5","4","1","1") = "6"
    & skf21("7","2","2","5","5","4","2","1") = "6"
    & skf21("7","2","2","5","5","4","3","1") = "6"
    & skf21("7","2","2","5","5","4","4","1") = "6"
    & skf21("7","2","2","5","5","4","5","1") = "6"
    & skf21("7","2","2","5","5","4","6","1") = "6"
    & skf21("7","2","2","5","5","4","7","1") = "6"
    & skf21("7","2","2","5","5","5","1","1") = "6"
    & skf21("7","2","2","5","5","5","2","1") = "6"
    & skf21("7","2","2","5","5","5","3","1") = "6"
    & skf21("7","2","2","5","5","5","4","1") = "6"
    & skf21("7","2","2","5","5","5","5","1") = "6"
    & skf21("7","2","2","5","5","5","6","1") = "6"
    & skf21("7","2","2","5","5","5","7","1") = "6"
    & skf21("7","2","2","5","5","6","1","1") = "6"
    & skf21("7","2","2","5","5","6","2","1") = "6"
    & skf21("7","2","2","5","5","6","3","1") = "6"
    & skf21("7","2","2","5","5","6","4","1") = "6"
    & skf21("7","2","2","5","5","6","5","1") = "6"
    & skf21("7","2","2","5","5","6","6","1") = "6"
    & skf21("7","2","2","5","5","6","7","1") = "6"
    & skf21("7","2","2","5","5","7","1","1") = "6"
    & skf21("7","2","2","5","5","7","2","1") = "6"
    & skf21("7","2","2","5","5","7","3","1") = "6"
    & skf21("7","2","2","5","5","7","4","1") = "6"
    & skf21("7","2","2","5","5","7","5","1") = "6"
    & skf21("7","2","2","5","5","7","6","1") = "6"
    & skf21("7","2","2","5","5","7","7","1") = "6"
    & skf21("7","2","2","5","6","1","1","1") = "6"
    & skf21("7","2","2","5","6","1","2","1") = "6"
    & skf21("7","2","2","5","6","1","3","1") = "6"
    & skf21("7","2","2","5","6","1","4","1") = "6"
    & skf21("7","2","2","5","6","1","5","1") = "6"
    & skf21("7","2","2","5","6","1","6","1") = "6"
    & skf21("7","2","2","5","6","1","7","1") = "6"
    & skf21("7","2","2","5","6","2","1","1") = "6"
    & skf21("7","2","2","5","6","2","2","1") = "6"
    & skf21("7","2","2","5","6","2","3","1") = "6"
    & skf21("7","2","2","5","6","2","4","1") = "6"
    & skf21("7","2","2","5","6","2","5","1") = "6"
    & skf21("7","2","2","5","6","2","6","1") = "6"
    & skf21("7","2","2","5","6","2","7","1") = "6"
    & skf21("7","2","2","5","6","3","1","1") = "6"
    & skf21("7","2","2","5","6","3","2","1") = "6"
    & skf21("7","2","2","5","6","3","3","1") = "6"
    & skf21("7","2","2","5","6","3","4","1") = "6"
    & skf21("7","2","2","5","6","3","5","1") = "6"
    & skf21("7","2","2","5","6","3","6","1") = "6"
    & skf21("7","2","2","5","6","3","7","1") = "6"
    & skf21("7","2","2","5","6","4","1","1") = "6"
    & skf21("7","2","2","5","6","4","2","1") = "6"
    & skf21("7","2","2","5","6","4","3","1") = "6"
    & skf21("7","2","2","5","6","4","4","1") = "6"
    & skf21("7","2","2","5","6","4","5","1") = "6"
    & skf21("7","2","2","5","6","4","6","1") = "6"
    & skf21("7","2","2","5","6","4","7","1") = "6"
    & skf21("7","2","2","5","6","5","1","1") = "6"
    & skf21("7","2","2","5","6","5","2","1") = "6"
    & skf21("7","2","2","5","6","5","3","1") = "6"
    & skf21("7","2","2","5","6","5","4","1") = "6"
    & skf21("7","2","2","5","6","5","5","1") = "6"
    & skf21("7","2","2","5","6","5","6","1") = "6"
    & skf21("7","2","2","5","6","5","7","1") = "6"
    & skf21("7","2","2","5","6","6","1","1") = "6"
    & skf21("7","2","2","5","6","6","2","1") = "6"
    & skf21("7","2","2","5","6","6","3","1") = "6"
    & skf21("7","2","2","5","6","6","4","1") = "6"
    & skf21("7","2","2","5","6","6","5","1") = "6"
    & skf21("7","2","2","5","6","6","6","1") = "6"
    & skf21("7","2","2","5","6","6","7","1") = "6"
    & skf21("7","2","2","5","6","7","1","1") = "6"
    & skf21("7","2","2","5","6","7","2","1") = "6"
    & skf21("7","2","2","5","6","7","3","1") = "6"
    & skf21("7","2","2","5","6","7","4","1") = "6"
    & skf21("7","2","2","5","6","7","5","1") = "6"
    & skf21("7","2","2","5","6","7","6","1") = "6"
    & skf21("7","2","2","5","6","7","7","1") = "6"
    & skf21("7","2","2","5","7","1","1","1") = "6"
    & skf21("7","2","2","5","7","1","2","1") = "6"
    & skf21("7","2","2","5","7","1","3","1") = "6"
    & skf21("7","2","2","5","7","1","4","1") = "6"
    & skf21("7","2","2","5","7","1","5","1") = "6"
    & skf21("7","2","2","5","7","1","6","1") = "6"
    & skf21("7","2","2","5","7","1","7","1") = "6"
    & skf21("7","2","2","5","7","2","1","1") = "6"
    & skf21("7","2","2","5","7","2","2","1") = "6"
    & skf21("7","2","2","5","7","2","3","1") = "6"
    & skf21("7","2","2","5","7","2","4","1") = "6"
    & skf21("7","2","2","5","7","2","5","1") = "6"
    & skf21("7","2","2","5","7","2","6","1") = "6"
    & skf21("7","2","2","5","7","2","7","1") = "6"
    & skf21("7","2","2","5","7","3","1","1") = "6"
    & skf21("7","2","2","5","7","3","2","1") = "6"
    & skf21("7","2","2","5","7","3","3","1") = "6"
    & skf21("7","2","2","5","7","3","4","1") = "6"
    & skf21("7","2","2","5","7","3","5","1") = "6"
    & skf21("7","2","2","5","7","3","6","1") = "6"
    & skf21("7","2","2","5","7","3","7","1") = "6"
    & skf21("7","2","2","5","7","4","1","1") = "6"
    & skf21("7","2","2","5","7","4","2","1") = "6"
    & skf21("7","2","2","5","7","4","3","1") = "6"
    & skf21("7","2","2","5","7","4","4","1") = "6"
    & skf21("7","2","2","5","7","4","5","1") = "6"
    & skf21("7","2","2","5","7","4","6","1") = "6"
    & skf21("7","2","2","5","7","4","7","1") = "6"
    & skf21("7","2","2","5","7","5","1","1") = "6"
    & skf21("7","2","2","5","7","5","2","1") = "6"
    & skf21("7","2","2","5","7","5","3","1") = "6"
    & skf21("7","2","2","5","7","5","4","1") = "6"
    & skf21("7","2","2","5","7","5","5","1") = "6"
    & skf21("7","2","2","5","7","5","6","1") = "6"
    & skf21("7","2","2","5","7","5","7","1") = "6"
    & skf21("7","2","2","5","7","6","1","1") = "6"
    & skf21("7","2","2","5","7","6","2","1") = "6"
    & skf21("7","2","2","5","7","6","3","1") = "6"
    & skf21("7","2","2","5","7","6","4","1") = "6"
    & skf21("7","2","2","5","7","6","5","1") = "6"
    & skf21("7","2","2","5","7","6","6","1") = "6"
    & skf21("7","2","2","5","7","6","7","1") = "6"
    & skf21("7","2","2","5","7","7","1","1") = "6"
    & skf21("7","2","2","5","7","7","2","1") = "6"
    & skf21("7","2","2","5","7","7","3","1") = "6"
    & skf21("7","2","2","5","7","7","4","1") = "6"
    & skf21("7","2","2","5","7","7","5","1") = "6"
    & skf21("7","2","2","5","7","7","6","1") = "6"
    & skf21("7","2","2","5","7","7","7","1") = "6"
    & skf21("7","2","2","6","1","1","1","1") = "6"
    & skf21("7","2","2","6","1","1","2","1") = "6"
    & skf21("7","2","2","6","1","1","3","1") = "6"
    & skf21("7","2","2","6","1","1","4","1") = "6"
    & skf21("7","2","2","6","1","1","5","1") = "6"
    & skf21("7","2","2","6","1","1","6","1") = "6"
    & skf21("7","2","2","6","1","1","7","1") = "6"
    & skf21("7","2","2","6","1","2","1","1") = "6"
    & skf21("7","2","2","6","1","2","2","1") = "6"
    & skf21("7","2","2","6","1","2","3","1") = "6"
    & skf21("7","2","2","6","1","2","4","1") = "6"
    & skf21("7","2","2","6","1","2","5","1") = "6"
    & skf21("7","2","2","6","1","2","6","1") = "6"
    & skf21("7","2","2","6","1","2","7","1") = "6"
    & skf21("7","2","2","6","1","3","1","1") = "6"
    & skf21("7","2","2","6","1","3","2","1") = "6"
    & skf21("7","2","2","6","1","3","3","1") = "6"
    & skf21("7","2","2","6","1","3","4","1") = "6"
    & skf21("7","2","2","6","1","3","5","1") = "6"
    & skf21("7","2","2","6","1","3","6","1") = "6"
    & skf21("7","2","2","6","1","3","7","1") = "6"
    & skf21("7","2","2","6","1","4","1","1") = "6"
    & skf21("7","2","2","6","1","4","2","1") = "6"
    & skf21("7","2","2","6","1","4","3","1") = "6"
    & skf21("7","2","2","6","1","4","4","1") = "6"
    & skf21("7","2","2","6","1","4","5","1") = "6"
    & skf21("7","2","2","6","1","4","6","1") = "6"
    & skf21("7","2","2","6","1","4","7","1") = "6"
    & skf21("7","2","2","6","1","5","1","1") = "6"
    & skf21("7","2","2","6","1","5","2","1") = "6"
    & skf21("7","2","2","6","1","5","3","1") = "6"
    & skf21("7","2","2","6","1","5","4","1") = "6"
    & skf21("7","2","2","6","1","5","5","1") = "6"
    & skf21("7","2","2","6","1","5","6","1") = "6"
    & skf21("7","2","2","6","1","5","7","1") = "6"
    & skf21("7","2","2","6","1","6","1","1") = "6"
    & skf21("7","2","2","6","1","6","2","1") = "6"
    & skf21("7","2","2","6","1","6","3","1") = "6"
    & skf21("7","2","2","6","1","6","4","1") = "6"
    & skf21("7","2","2","6","1","6","5","1") = "6"
    & skf21("7","2","2","6","1","6","6","1") = "6"
    & skf21("7","2","2","6","1","6","7","1") = "6"
    & skf21("7","2","2","6","1","7","1","1") = "6"
    & skf21("7","2","2","6","1","7","2","1") = "6"
    & skf21("7","2","2","6","1","7","3","1") = "6"
    & skf21("7","2","2","6","1","7","4","1") = "6"
    & skf21("7","2","2","6","1","7","5","1") = "6"
    & skf21("7","2","2","6","1","7","6","1") = "6"
    & skf21("7","2","2","6","1","7","7","1") = "6"
    & skf21("7","2","2","6","2","1","1","1") = "6"
    & skf21("7","2","2","6","2","1","2","1") = "6"
    & skf21("7","2","2","6","2","1","3","1") = "6"
    & skf21("7","2","2","6","2","1","4","1") = "6"
    & skf21("7","2","2","6","2","1","5","1") = "6"
    & skf21("7","2","2","6","2","1","6","1") = "6"
    & skf21("7","2","2","6","2","1","7","1") = "6"
    & skf21("7","2","2","6","2","2","1","1") = "6"
    & skf21("7","2","2","6","2","2","2","1") = "6"
    & skf21("7","2","2","6","2","2","3","1") = "6"
    & skf21("7","2","2","6","2","2","4","1") = "6"
    & skf21("7","2","2","6","2","2","5","1") = "6"
    & skf21("7","2","2","6","2","2","6","1") = "6"
    & skf21("7","2","2","6","2","2","7","1") = "6"
    & skf21("7","2","2","6","2","3","1","1") = "6"
    & skf21("7","2","2","6","2","3","2","1") = "6"
    & skf21("7","2","2","6","2","3","3","1") = "6"
    & skf21("7","2","2","6","2","3","4","1") = "6"
    & skf21("7","2","2","6","2","3","5","1") = "6"
    & skf21("7","2","2","6","2","3","6","1") = "6"
    & skf21("7","2","2","6","2","3","7","1") = "6"
    & skf21("7","2","2","6","2","4","1","1") = "6"
    & skf21("7","2","2","6","2","4","2","1") = "6"
    & skf21("7","2","2","6","2","4","3","1") = "6"
    & skf21("7","2","2","6","2","4","4","1") = "6"
    & skf21("7","2","2","6","2","4","5","1") = "6"
    & skf21("7","2","2","6","2","4","6","1") = "6"
    & skf21("7","2","2","6","2","4","7","1") = "6"
    & skf21("7","2","2","6","2","5","1","1") = "6"
    & skf21("7","2","2","6","2","5","2","1") = "6"
    & skf21("7","2","2","6","2","5","3","1") = "6"
    & skf21("7","2","2","6","2","5","4","1") = "6"
    & skf21("7","2","2","6","2","5","5","1") = "6"
    & skf21("7","2","2","6","2","5","6","1") = "6"
    & skf21("7","2","2","6","2","5","7","1") = "6"
    & skf21("7","2","2","6","2","6","1","1") = "6"
    & skf21("7","2","2","6","2","6","2","1") = "6"
    & skf21("7","2","2","6","2","6","3","1") = "6"
    & skf21("7","2","2","6","2","6","4","1") = "6"
    & skf21("7","2","2","6","2","6","5","1") = "6"
    & skf21("7","2","2","6","2","6","6","1") = "6"
    & skf21("7","2","2","6","2","6","7","1") = "6"
    & skf21("7","2","2","6","2","7","1","1") = "6"
    & skf21("7","2","2","6","2","7","2","1") = "6"
    & skf21("7","2","2","6","2","7","3","1") = "6"
    & skf21("7","2","2","6","2","7","4","1") = "6"
    & skf21("7","2","2","6","2","7","5","1") = "6"
    & skf21("7","2","2","6","2","7","6","1") = "6"
    & skf21("7","2","2","6","2","7","7","1") = "6"
    & skf21("7","2","2","6","3","1","1","1") = "6"
    & skf21("7","2","2","6","3","1","2","1") = "6"
    & skf21("7","2","2","6","3","1","3","1") = "6"
    & skf21("7","2","2","6","3","1","4","1") = "6"
    & skf21("7","2","2","6","3","1","5","1") = "6"
    & skf21("7","2","2","6","3","1","6","1") = "6"
    & skf21("7","2","2","6","3","1","7","1") = "6"
    & skf21("7","2","2","6","3","2","1","1") = "6"
    & skf21("7","2","2","6","3","2","2","1") = "6"
    & skf21("7","2","2","6","3","2","3","1") = "6"
    & skf21("7","2","2","6","3","2","4","1") = "6"
    & skf21("7","2","2","6","3","2","5","1") = "6"
    & skf21("7","2","2","6","3","2","6","1") = "6"
    & skf21("7","2","2","6","3","2","7","1") = "6"
    & skf21("7","2","2","6","3","3","1","1") = "6"
    & skf21("7","2","2","6","3","3","2","1") = "6"
    & skf21("7","2","2","6","3","3","3","1") = "6"
    & skf21("7","2","2","6","3","3","4","1") = "6"
    & skf21("7","2","2","6","3","3","5","1") = "6"
    & skf21("7","2","2","6","3","3","6","1") = "6"
    & skf21("7","2","2","6","3","3","7","1") = "6"
    & skf21("7","2","2","6","3","4","1","1") = "6"
    & skf21("7","2","2","6","3","4","2","1") = "6"
    & skf21("7","2","2","6","3","4","3","1") = "6"
    & skf21("7","2","2","6","3","4","4","1") = "6"
    & skf21("7","2","2","6","3","4","5","1") = "6"
    & skf21("7","2","2","6","3","4","6","1") = "6"
    & skf21("7","2","2","6","3","4","7","1") = "6"
    & skf21("7","2","2","6","3","5","1","1") = "6"
    & skf21("7","2","2","6","3","5","2","1") = "6"
    & skf21("7","2","2","6","3","5","3","1") = "6"
    & skf21("7","2","2","6","3","5","4","1") = "6"
    & skf21("7","2","2","6","3","5","5","1") = "6"
    & skf21("7","2","2","6","3","5","6","1") = "6"
    & skf21("7","2","2","6","3","5","7","1") = "6"
    & skf21("7","2","2","6","3","6","1","1") = "6"
    & skf21("7","2","2","6","3","6","2","1") = "6"
    & skf21("7","2","2","6","3","6","3","1") = "6"
    & skf21("7","2","2","6","3","6","4","1") = "6"
    & skf21("7","2","2","6","3","6","5","1") = "6"
    & skf21("7","2","2","6","3","6","6","1") = "6"
    & skf21("7","2","2","6","3","6","7","1") = "6"
    & skf21("7","2","2","6","3","7","1","1") = "6"
    & skf21("7","2","2","6","3","7","2","1") = "6"
    & skf21("7","2","2","6","3","7","3","1") = "6"
    & skf21("7","2","2","6","3","7","4","1") = "6"
    & skf21("7","2","2","6","3","7","5","1") = "6"
    & skf21("7","2","2","6","3","7","6","1") = "6"
    & skf21("7","2","2","6","3","7","7","1") = "6"
    & skf21("7","2","2","6","4","1","1","1") = "6"
    & skf21("7","2","2","6","4","1","2","1") = "6"
    & skf21("7","2","2","6","4","1","3","1") = "6"
    & skf21("7","2","2","6","4","1","4","1") = "6"
    & skf21("7","2","2","6","4","1","5","1") = "6"
    & skf21("7","2","2","6","4","1","6","1") = "6"
    & skf21("7","2","2","6","4","1","7","1") = "6"
    & skf21("7","2","2","6","4","2","1","1") = "6"
    & skf21("7","2","2","6","4","2","2","1") = "6"
    & skf21("7","2","2","6","4","2","3","1") = "6"
    & skf21("7","2","2","6","4","2","4","1") = "6"
    & skf21("7","2","2","6","4","2","5","1") = "6"
    & skf21("7","2","2","6","4","2","6","1") = "6"
    & skf21("7","2","2","6","4","2","7","1") = "6"
    & skf21("7","2","2","6","4","3","1","1") = "6"
    & skf21("7","2","2","6","4","3","2","1") = "6"
    & skf21("7","2","2","6","4","3","3","1") = "6"
    & skf21("7","2","2","6","4","3","4","1") = "6"
    & skf21("7","2","2","6","4","3","5","1") = "6"
    & skf21("7","2","2","6","4","3","6","1") = "6"
    & skf21("7","2","2","6","4","3","7","1") = "6"
    & skf21("7","2","2","6","4","4","1","1") = "6"
    & skf21("7","2","2","6","4","4","2","1") = "6"
    & skf21("7","2","2","6","4","4","3","1") = "6"
    & skf21("7","2","2","6","4","4","4","1") = "6"
    & skf21("7","2","2","6","4","4","5","1") = "6"
    & skf21("7","2","2","6","4","4","6","1") = "6"
    & skf21("7","2","2","6","4","4","7","1") = "6"
    & skf21("7","2","2","6","4","5","1","1") = "6"
    & skf21("7","2","2","6","4","5","2","1") = "6"
    & skf21("7","2","2","6","4","5","3","1") = "6"
    & skf21("7","2","2","6","4","5","4","1") = "6"
    & skf21("7","2","2","6","4","5","5","1") = "6"
    & skf21("7","2","2","6","4","5","6","1") = "6"
    & skf21("7","2","2","6","4","5","7","1") = "6"
    & skf21("7","2","2","6","4","6","1","1") = "6"
    & skf21("7","2","2","6","4","6","2","1") = "6"
    & skf21("7","2","2","6","4","6","3","1") = "6"
    & skf21("7","2","2","6","4","6","4","1") = "6"
    & skf21("7","2","2","6","4","6","5","1") = "6"
    & skf21("7","2","2","6","4","6","6","1") = "6"
    & skf21("7","2","2","6","4","6","7","1") = "6"
    & skf21("7","2","2","6","4","7","1","1") = "6"
    & skf21("7","2","2","6","4","7","2","1") = "6"
    & skf21("7","2","2","6","4","7","3","1") = "6"
    & skf21("7","2","2","6","4","7","4","1") = "6"
    & skf21("7","2","2","6","4","7","5","1") = "6"
    & skf21("7","2","2","6","4","7","6","1") = "6"
    & skf21("7","2","2","6","4","7","7","1") = "6"
    & skf21("7","2","2","6","5","1","1","1") = "6"
    & skf21("7","2","2","6","5","1","2","1") = "6"
    & skf21("7","2","2","6","5","1","3","1") = "6"
    & skf21("7","2","2","6","5","1","4","1") = "6"
    & skf21("7","2","2","6","5","1","5","1") = "6"
    & skf21("7","2","2","6","5","1","6","1") = "6"
    & skf21("7","2","2","6","5","1","7","1") = "6"
    & skf21("7","2","2","6","5","2","1","1") = "6"
    & skf21("7","2","2","6","5","2","2","1") = "6"
    & skf21("7","2","2","6","5","2","3","1") = "6"
    & skf21("7","2","2","6","5","2","4","1") = "6"
    & skf21("7","2","2","6","5","2","5","1") = "6"
    & skf21("7","2","2","6","5","2","6","1") = "6"
    & skf21("7","2","2","6","5","2","7","1") = "6"
    & skf21("7","2","2","6","5","3","1","1") = "6"
    & skf21("7","2","2","6","5","3","2","1") = "6"
    & skf21("7","2","2","6","5","3","3","1") = "6"
    & skf21("7","2","2","6","5","3","4","1") = "6"
    & skf21("7","2","2","6","5","3","5","1") = "6"
    & skf21("7","2","2","6","5","3","6","1") = "6"
    & skf21("7","2","2","6","5","3","7","1") = "6"
    & skf21("7","2","2","6","5","4","1","1") = "6"
    & skf21("7","2","2","6","5","4","2","1") = "6"
    & skf21("7","2","2","6","5","4","3","1") = "6"
    & skf21("7","2","2","6","5","4","4","1") = "6"
    & skf21("7","2","2","6","5","4","5","1") = "6"
    & skf21("7","2","2","6","5","4","6","1") = "6"
    & skf21("7","2","2","6","5","4","7","1") = "6"
    & skf21("7","2","2","6","5","5","1","1") = "6"
    & skf21("7","2","2","6","5","5","2","1") = "6"
    & skf21("7","2","2","6","5","5","3","1") = "6"
    & skf21("7","2","2","6","5","5","4","1") = "6"
    & skf21("7","2","2","6","5","5","5","1") = "6"
    & skf21("7","2","2","6","5","5","6","1") = "6"
    & skf21("7","2","2","6","5","5","7","1") = "6"
    & skf21("7","2","2","6","5","6","1","1") = "6"
    & skf21("7","2","2","6","5","6","2","1") = "6"
    & skf21("7","2","2","6","5","6","3","1") = "6"
    & skf21("7","2","2","6","5","6","4","1") = "6"
    & skf21("7","2","2","6","5","6","5","1") = "6"
    & skf21("7","2","2","6","5","6","6","1") = "6"
    & skf21("7","2","2","6","5","6","7","1") = "6"
    & skf21("7","2","2","6","5","7","1","1") = "6"
    & skf21("7","2","2","6","5","7","2","1") = "6"
    & skf21("7","2","2","6","5","7","3","1") = "6"
    & skf21("7","2","2","6","5","7","4","1") = "6"
    & skf21("7","2","2","6","5","7","5","1") = "6"
    & skf21("7","2","2","6","5","7","6","1") = "6"
    & skf21("7","2","2","6","5","7","7","1") = "6"
    & skf21("7","2","2","6","6","1","1","1") = "6"
    & skf21("7","2","2","6","6","1","2","1") = "6"
    & skf21("7","2","2","6","6","1","3","1") = "6"
    & skf21("7","2","2","6","6","1","4","1") = "6"
    & skf21("7","2","2","6","6","1","5","1") = "6"
    & skf21("7","2","2","6","6","1","6","1") = "6"
    & skf21("7","2","2","6","6","1","7","1") = "6"
    & skf21("7","2","2","6","6","2","1","1") = "6"
    & skf21("7","2","2","6","6","2","2","1") = "6"
    & skf21("7","2","2","6","6","2","3","1") = "6"
    & skf21("7","2","2","6","6","2","4","1") = "6"
    & skf21("7","2","2","6","6","2","5","1") = "6"
    & skf21("7","2","2","6","6","2","6","1") = "6"
    & skf21("7","2","2","6","6","2","7","1") = "6"
    & skf21("7","2","2","6","6","3","1","1") = "6"
    & skf21("7","2","2","6","6","3","2","1") = "6"
    & skf21("7","2","2","6","6","3","3","1") = "6"
    & skf21("7","2","2","6","6","3","4","1") = "6"
    & skf21("7","2","2","6","6","3","5","1") = "6"
    & skf21("7","2","2","6","6","3","6","1") = "6"
    & skf21("7","2","2","6","6","3","7","1") = "6"
    & skf21("7","2","2","6","6","4","1","1") = "6"
    & skf21("7","2","2","6","6","4","2","1") = "6"
    & skf21("7","2","2","6","6","4","3","1") = "6"
    & skf21("7","2","2","6","6","4","4","1") = "6"
    & skf21("7","2","2","6","6","4","5","1") = "6"
    & skf21("7","2","2","6","6","4","6","1") = "6"
    & skf21("7","2","2","6","6","4","7","1") = "6"
    & skf21("7","2","2","6","6","5","1","1") = "6"
    & skf21("7","2","2","6","6","5","2","1") = "6"
    & skf21("7","2","2","6","6","5","3","1") = "6"
    & skf21("7","2","2","6","6","5","4","1") = "6"
    & skf21("7","2","2","6","6","5","5","1") = "6"
    & skf21("7","2","2","6","6","5","6","1") = "6"
    & skf21("7","2","2","6","6","5","7","1") = "6"
    & skf21("7","2","2","6","6","6","1","1") = "6"
    & skf21("7","2","2","6","6","6","2","1") = "6"
    & skf21("7","2","2","6","6","6","3","1") = "6"
    & skf21("7","2","2","6","6","6","4","1") = "6"
    & skf21("7","2","2","6","6","6","5","1") = "6"
    & skf21("7","2","2","6","6","6","6","1") = "6"
    & skf21("7","2","2","6","6","6","7","1") = "6"
    & skf21("7","2","2","6","6","7","1","1") = "6"
    & skf21("7","2","2","6","6","7","2","1") = "6"
    & skf21("7","2","2","6","6","7","3","1") = "6"
    & skf21("7","2","2","6","6","7","4","1") = "6"
    & skf21("7","2","2","6","6","7","5","1") = "6"
    & skf21("7","2","2","6","6","7","6","1") = "6"
    & skf21("7","2","2","6","6","7","7","1") = "6"
    & skf21("7","2","2","6","7","1","1","1") = "6"
    & skf21("7","2","2","6","7","1","2","1") = "6"
    & skf21("7","2","2","6","7","1","3","1") = "6"
    & skf21("7","2","2","6","7","1","4","1") = "6"
    & skf21("7","2","2","6","7","1","5","1") = "6"
    & skf21("7","2","2","6","7","1","6","1") = "6"
    & skf21("7","2","2","6","7","1","7","1") = "6"
    & skf21("7","2","2","6","7","2","1","1") = "6"
    & skf21("7","2","2","6","7","2","2","1") = "6"
    & skf21("7","2","2","6","7","2","3","1") = "6"
    & skf21("7","2","2","6","7","2","4","1") = "6"
    & skf21("7","2","2","6","7","2","5","1") = "6"
    & skf21("7","2","2","6","7","2","6","1") = "6"
    & skf21("7","2","2","6","7","2","7","1") = "6"
    & skf21("7","2","2","6","7","3","1","1") = "6"
    & skf21("7","2","2","6","7","3","2","1") = "6"
    & skf21("7","2","2","6","7","3","3","1") = "6"
    & skf21("7","2","2","6","7","3","4","1") = "6"
    & skf21("7","2","2","6","7","3","5","1") = "6"
    & skf21("7","2","2","6","7","3","6","1") = "6"
    & skf21("7","2","2","6","7","3","7","1") = "6"
    & skf21("7","2","2","6","7","4","1","1") = "6"
    & skf21("7","2","2","6","7","4","2","1") = "6"
    & skf21("7","2","2","6","7","4","3","1") = "6"
    & skf21("7","2","2","6","7","4","4","1") = "6"
    & skf21("7","2","2","6","7","4","5","1") = "6"
    & skf21("7","2","2","6","7","4","6","1") = "6"
    & skf21("7","2","2","6","7","4","7","1") = "6"
    & skf21("7","2","2","6","7","5","1","1") = "6"
    & skf21("7","2","2","6","7","5","2","1") = "6"
    & skf21("7","2","2","6","7","5","3","1") = "6"
    & skf21("7","2","2","6","7","5","4","1") = "6"
    & skf21("7","2","2","6","7","5","5","1") = "6"
    & skf21("7","2","2","6","7","5","6","1") = "6"
    & skf21("7","2","2","6","7","5","7","1") = "6"
    & skf21("7","2","2","6","7","6","1","1") = "6"
    & skf21("7","2","2","6","7","6","2","1") = "6"
    & skf21("7","2","2","6","7","6","3","1") = "6"
    & skf21("7","2","2","6","7","6","4","1") = "6"
    & skf21("7","2","2","6","7","6","5","1") = "6"
    & skf21("7","2","2","6","7","6","6","1") = "6"
    & skf21("7","2","2","6","7","6","7","1") = "6"
    & skf21("7","2","2","6","7","7","1","1") = "6"
    & skf21("7","2","2","6","7","7","2","1") = "6"
    & skf21("7","2","2","6","7","7","3","1") = "6"
    & skf21("7","2","2","6","7","7","4","1") = "6"
    & skf21("7","2","2","6","7","7","5","1") = "6"
    & skf21("7","2","2","6","7","7","6","1") = "6"
    & skf21("7","2","2","6","7","7","7","1") = "6"
    & skf21("7","2","2","7","1","1","1","1") = "6"
    & skf21("7","2","2","7","1","1","2","1") = "6"
    & skf21("7","2","2","7","1","1","3","1") = "6"
    & skf21("7","2","2","7","1","1","4","1") = "6"
    & skf21("7","2","2","7","1","1","5","1") = "6"
    & skf21("7","2","2","7","1","1","6","1") = "6"
    & skf21("7","2","2","7","1","1","7","1") = "6"
    & skf21("7","2","2","7","1","2","1","1") = "6"
    & skf21("7","2","2","7","1","2","2","1") = "6"
    & skf21("7","2","2","7","1","2","3","1") = "6"
    & skf21("7","2","2","7","1","2","4","1") = "6"
    & skf21("7","2","2","7","1","2","5","1") = "6"
    & skf21("7","2","2","7","1","2","6","1") = "6"
    & skf21("7","2","2","7","1","2","7","1") = "6"
    & skf21("7","2","2","7","1","3","1","1") = "6"
    & skf21("7","2","2","7","1","3","2","1") = "6"
    & skf21("7","2","2","7","1","3","3","1") = "6"
    & skf21("7","2","2","7","1","3","4","1") = "6"
    & skf21("7","2","2","7","1","3","5","1") = "6"
    & skf21("7","2","2","7","1","3","6","1") = "6"
    & skf21("7","2","2","7","1","3","7","1") = "6"
    & skf21("7","2","2","7","1","4","1","1") = "6"
    & skf21("7","2","2","7","1","4","2","1") = "6"
    & skf21("7","2","2","7","1","4","3","1") = "6"
    & skf21("7","2","2","7","1","4","4","1") = "6"
    & skf21("7","2","2","7","1","4","5","1") = "6"
    & skf21("7","2","2","7","1","4","6","1") = "6"
    & skf21("7","2","2","7","1","4","7","1") = "6"
    & skf21("7","2","2","7","1","5","1","1") = "6"
    & skf21("7","2","2","7","1","5","2","1") = "6"
    & skf21("7","2","2","7","1","5","3","1") = "6"
    & skf21("7","2","2","7","1","5","4","1") = "6"
    & skf21("7","2","2","7","1","5","5","1") = "6"
    & skf21("7","2","2","7","1","5","6","1") = "6"
    & skf21("7","2","2","7","1","5","7","1") = "6"
    & skf21("7","2","2","7","1","6","1","1") = "6"
    & skf21("7","2","2","7","1","6","2","1") = "6"
    & skf21("7","2","2","7","1","6","3","1") = "6"
    & skf21("7","2","2","7","1","6","4","1") = "6"
    & skf21("7","2","2","7","1","6","5","1") = "6"
    & skf21("7","2","2","7","1","6","6","1") = "6"
    & skf21("7","2","2","7","1","6","7","1") = "6"
    & skf21("7","2","2","7","1","7","1","1") = "6"
    & skf21("7","2","2","7","1","7","2","1") = "6"
    & skf21("7","2","2","7","1","7","3","1") = "6"
    & skf21("7","2","2","7","1","7","4","1") = "6"
    & skf21("7","2","2","7","1","7","5","1") = "6"
    & skf21("7","2","2","7","1","7","6","1") = "6"
    & skf21("7","2","2","7","1","7","7","1") = "6"
    & skf21("7","2","2","7","2","1","1","1") = "6"
    & skf21("7","2","2","7","2","1","2","1") = "6"
    & skf21("7","2","2","7","2","1","3","1") = "6"
    & skf21("7","2","2","7","2","1","4","1") = "6"
    & skf21("7","2","2","7","2","1","5","1") = "6"
    & skf21("7","2","2","7","2","1","6","1") = "6"
    & skf21("7","2","2","7","2","1","7","1") = "6"
    & skf21("7","2","2","7","2","2","1","1") = "6"
    & skf21("7","2","2","7","2","2","2","1") = "6"
    & skf21("7","2","2","7","2","2","3","1") = "6"
    & skf21("7","2","2","7","2","2","4","1") = "6"
    & skf21("7","2","2","7","2","2","5","1") = "6"
    & skf21("7","2","2","7","2","2","6","1") = "6"
    & skf21("7","2","2","7","2","2","7","1") = "6"
    & skf21("7","2","2","7","2","3","1","1") = "6"
    & skf21("7","2","2","7","2","3","2","1") = "6"
    & skf21("7","2","2","7","2","3","3","1") = "6"
    & skf21("7","2","2","7","2","3","4","1") = "6"
    & skf21("7","2","2","7","2","3","5","1") = "6"
    & skf21("7","2","2","7","2","3","6","1") = "6"
    & skf21("7","2","2","7","2","3","7","1") = "6"
    & skf21("7","2","2","7","2","4","1","1") = "6"
    & skf21("7","2","2","7","2","4","2","1") = "6"
    & skf21("7","2","2","7","2","4","3","1") = "6"
    & skf21("7","2","2","7","2","4","4","1") = "6"
    & skf21("7","2","2","7","2","4","5","1") = "6"
    & skf21("7","2","2","7","2","4","6","1") = "6"
    & skf21("7","2","2","7","2","4","7","1") = "6"
    & skf21("7","2","2","7","2","5","1","1") = "6"
    & skf21("7","2","2","7","2","5","2","1") = "6"
    & skf21("7","2","2","7","2","5","3","1") = "6"
    & skf21("7","2","2","7","2","5","4","1") = "6"
    & skf21("7","2","2","7","2","5","5","1") = "6"
    & skf21("7","2","2","7","2","5","6","1") = "6"
    & skf21("7","2","2","7","2","5","7","1") = "6"
    & skf21("7","2","2","7","2","6","1","1") = "6"
    & skf21("7","2","2","7","2","6","2","1") = "6"
    & skf21("7","2","2","7","2","6","3","1") = "6"
    & skf21("7","2","2","7","2","6","4","1") = "6"
    & skf21("7","2","2","7","2","6","5","1") = "6"
    & skf21("7","2","2","7","2","6","6","1") = "6"
    & skf21("7","2","2","7","2","6","7","1") = "6"
    & skf21("7","2","2","7","2","7","1","1") = "6"
    & skf21("7","2","2","7","2","7","2","1") = "6"
    & skf21("7","2","2","7","2","7","3","1") = "6"
    & skf21("7","2","2","7","2","7","4","1") = "6"
    & skf21("7","2","2","7","2","7","5","1") = "6"
    & skf21("7","2","2","7","2","7","6","1") = "6"
    & skf21("7","2","2","7","2","7","7","1") = "6"
    & skf21("7","2","2","7","3","1","1","1") = "6"
    & skf21("7","2","2","7","3","1","2","1") = "6"
    & skf21("7","2","2","7","3","1","3","1") = "6"
    & skf21("7","2","2","7","3","1","4","1") = "6"
    & skf21("7","2","2","7","3","1","5","1") = "6"
    & skf21("7","2","2","7","3","1","6","1") = "6"
    & skf21("7","2","2","7","3","1","7","1") = "6"
    & skf21("7","2","2","7","3","2","1","1") = "6"
    & skf21("7","2","2","7","3","2","2","1") = "6"
    & skf21("7","2","2","7","3","2","3","1") = "6"
    & skf21("7","2","2","7","3","2","4","1") = "6"
    & skf21("7","2","2","7","3","2","5","1") = "6"
    & skf21("7","2","2","7","3","2","6","1") = "6"
    & skf21("7","2","2","7","3","2","7","1") = "6"
    & skf21("7","2","2","7","3","3","1","1") = "6"
    & skf21("7","2","2","7","3","3","2","1") = "6"
    & skf21("7","2","2","7","3","3","3","1") = "6"
    & skf21("7","2","2","7","3","3","4","1") = "6"
    & skf21("7","2","2","7","3","3","5","1") = "6"
    & skf21("7","2","2","7","3","3","6","1") = "6"
    & skf21("7","2","2","7","3","3","7","1") = "6"
    & skf21("7","2","2","7","3","4","1","1") = "6"
    & skf21("7","2","2","7","3","4","2","1") = "6"
    & skf21("7","2","2","7","3","4","3","1") = "6"
    & skf21("7","2","2","7","3","4","4","1") = "6"
    & skf21("7","2","2","7","3","4","5","1") = "6"
    & skf21("7","2","2","7","3","4","6","1") = "6"
    & skf21("7","2","2","7","3","4","7","1") = "6"
    & skf21("7","2","2","7","3","5","1","1") = "6"
    & skf21("7","2","2","7","3","5","2","1") = "6"
    & skf21("7","2","2","7","3","5","3","1") = "6"
    & skf21("7","2","2","7","3","5","4","1") = "6"
    & skf21("7","2","2","7","3","5","5","1") = "6"
    & skf21("7","2","2","7","3","5","6","1") = "6"
    & skf21("7","2","2","7","3","5","7","1") = "6"
    & skf21("7","2","2","7","3","6","1","1") = "6"
    & skf21("7","2","2","7","3","6","2","1") = "6"
    & skf21("7","2","2","7","3","6","3","1") = "6"
    & skf21("7","2","2","7","3","6","4","1") = "6"
    & skf21("7","2","2","7","3","6","5","1") = "6"
    & skf21("7","2","2","7","3","6","6","1") = "6"
    & skf21("7","2","2","7","3","6","7","1") = "6"
    & skf21("7","2","2","7","3","7","1","1") = "6"
    & skf21("7","2","2","7","3","7","2","1") = "6"
    & skf21("7","2","2","7","3","7","3","1") = "6"
    & skf21("7","2","2","7","3","7","4","1") = "6"
    & skf21("7","2","2","7","3","7","5","1") = "6"
    & skf21("7","2","2","7","3","7","6","1") = "6"
    & skf21("7","2","2","7","3","7","7","1") = "6"
    & skf21("7","2","2","7","4","1","1","1") = "6"
    & skf21("7","2","2","7","4","1","2","1") = "6"
    & skf21("7","2","2","7","4","1","3","1") = "6"
    & skf21("7","2","2","7","4","1","4","1") = "6"
    & skf21("7","2","2","7","4","1","5","1") = "6"
    & skf21("7","2","2","7","4","1","6","1") = "6"
    & skf21("7","2","2","7","4","1","7","1") = "6"
    & skf21("7","2","2","7","4","2","1","1") = "6"
    & skf21("7","2","2","7","4","2","2","1") = "6"
    & skf21("7","2","2","7","4","2","3","1") = "6"
    & skf21("7","2","2","7","4","2","4","1") = "6"
    & skf21("7","2","2","7","4","2","5","1") = "6"
    & skf21("7","2","2","7","4","2","6","1") = "6"
    & skf21("7","2","2","7","4","2","7","1") = "6"
    & skf21("7","2","2","7","4","3","1","1") = "6"
    & skf21("7","2","2","7","4","3","2","1") = "6"
    & skf21("7","2","2","7","4","3","3","1") = "6"
    & skf21("7","2","2","7","4","3","4","1") = "6"
    & skf21("7","2","2","7","4","3","5","1") = "6"
    & skf21("7","2","2","7","4","3","6","1") = "6"
    & skf21("7","2","2","7","4","3","7","1") = "6"
    & skf21("7","2","2","7","4","4","1","1") = "6"
    & skf21("7","2","2","7","4","4","2","1") = "6"
    & skf21("7","2","2","7","4","4","3","1") = "6"
    & skf21("7","2","2","7","4","4","4","1") = "6"
    & skf21("7","2","2","7","4","4","5","1") = "6"
    & skf21("7","2","2","7","4","4","6","1") = "6"
    & skf21("7","2","2","7","4","4","7","1") = "6"
    & skf21("7","2","2","7","4","5","1","1") = "6"
    & skf21("7","2","2","7","4","5","2","1") = "6"
    & skf21("7","2","2","7","4","5","3","1") = "6"
    & skf21("7","2","2","7","4","5","4","1") = "6"
    & skf21("7","2","2","7","4","5","5","1") = "6"
    & skf21("7","2","2","7","4","5","6","1") = "6"
    & skf21("7","2","2","7","4","5","7","1") = "6"
    & skf21("7","2","2","7","4","6","1","1") = "6"
    & skf21("7","2","2","7","4","6","2","1") = "6"
    & skf21("7","2","2","7","4","6","3","1") = "6"
    & skf21("7","2","2","7","4","6","4","1") = "6"
    & skf21("7","2","2","7","4","6","5","1") = "6"
    & skf21("7","2","2","7","4","6","6","1") = "6"
    & skf21("7","2","2","7","4","6","7","1") = "6"
    & skf21("7","2","2","7","4","7","1","1") = "6"
    & skf21("7","2","2","7","4","7","2","1") = "6"
    & skf21("7","2","2","7","4","7","3","1") = "6"
    & skf21("7","2","2","7","4","7","4","1") = "6"
    & skf21("7","2","2","7","4","7","5","1") = "6"
    & skf21("7","2","2","7","4","7","6","1") = "6"
    & skf21("7","2","2","7","4","7","7","1") = "6"
    & skf21("7","2","2","7","5","1","1","1") = "6"
    & skf21("7","2","2","7","5","1","2","1") = "6"
    & skf21("7","2","2","7","5","1","3","1") = "6"
    & skf21("7","2","2","7","5","1","4","1") = "6"
    & skf21("7","2","2","7","5","1","5","1") = "6"
    & skf21("7","2","2","7","5","1","6","1") = "6"
    & skf21("7","2","2","7","5","1","7","1") = "6"
    & skf21("7","2","2","7","5","2","1","1") = "6"
    & skf21("7","2","2","7","5","2","2","1") = "6"
    & skf21("7","2","2","7","5","2","3","1") = "6"
    & skf21("7","2","2","7","5","2","4","1") = "6"
    & skf21("7","2","2","7","5","2","5","1") = "6"
    & skf21("7","2","2","7","5","2","6","1") = "6"
    & skf21("7","2","2","7","5","2","7","1") = "6"
    & skf21("7","2","2","7","5","3","1","1") = "6"
    & skf21("7","2","2","7","5","3","2","1") = "6"
    & skf21("7","2","2","7","5","3","3","1") = "6"
    & skf21("7","2","2","7","5","3","4","1") = "6"
    & skf21("7","2","2","7","5","3","5","1") = "6"
    & skf21("7","2","2","7","5","3","6","1") = "6"
    & skf21("7","2","2","7","5","3","7","1") = "6"
    & skf21("7","2","2","7","5","4","1","1") = "6"
    & skf21("7","2","2","7","5","4","2","1") = "6"
    & skf21("7","2","2","7","5","4","3","1") = "6"
    & skf21("7","2","2","7","5","4","4","1") = "6"
    & skf21("7","2","2","7","5","4","5","1") = "6"
    & skf21("7","2","2","7","5","4","6","1") = "6"
    & skf21("7","2","2","7","5","4","7","1") = "6"
    & skf21("7","2","2","7","5","5","1","1") = "6"
    & skf21("7","2","2","7","5","5","2","1") = "6"
    & skf21("7","2","2","7","5","5","3","1") = "6"
    & skf21("7","2","2","7","5","5","4","1") = "6"
    & skf21("7","2","2","7","5","5","5","1") = "6"
    & skf21("7","2","2","7","5","5","6","1") = "6"
    & skf21("7","2","2","7","5","5","7","1") = "6"
    & skf21("7","2","2","7","5","6","1","1") = "6"
    & skf21("7","2","2","7","5","6","2","1") = "6"
    & skf21("7","2","2","7","5","6","3","1") = "6"
    & skf21("7","2","2","7","5","6","4","1") = "6"
    & skf21("7","2","2","7","5","6","5","1") = "6"
    & skf21("7","2","2","7","5","6","6","1") = "6"
    & skf21("7","2","2","7","5","6","7","1") = "6"
    & skf21("7","2","2","7","5","7","1","1") = "6"
    & skf21("7","2","2","7","5","7","2","1") = "6"
    & skf21("7","2","2","7","5","7","3","1") = "6"
    & skf21("7","2","2","7","5","7","4","1") = "6"
    & skf21("7","2","2","7","5","7","5","1") = "6"
    & skf21("7","2","2","7","5","7","6","1") = "6"
    & skf21("7","2","2","7","5","7","7","1") = "6"
    & skf21("7","2","2","7","6","1","1","1") = "6"
    & skf21("7","2","2","7","6","1","2","1") = "6"
    & skf21("7","2","2","7","6","1","3","1") = "6"
    & skf21("7","2","2","7","6","1","4","1") = "6"
    & skf21("7","2","2","7","6","1","5","1") = "6"
    & skf21("7","2","2","7","6","1","6","1") = "6"
    & skf21("7","2","2","7","6","1","7","1") = "6"
    & skf21("7","2","2","7","6","2","1","1") = "6"
    & skf21("7","2","2","7","6","2","2","1") = "6"
    & skf21("7","2","2","7","6","2","3","1") = "6"
    & skf21("7","2","2","7","6","2","4","1") = "6"
    & skf21("7","2","2","7","6","2","5","1") = "6"
    & skf21("7","2","2","7","6","2","6","1") = "6"
    & skf21("7","2","2","7","6","2","7","1") = "6"
    & skf21("7","2","2","7","6","3","1","1") = "6"
    & skf21("7","2","2","7","6","3","2","1") = "6"
    & skf21("7","2","2","7","6","3","3","1") = "6"
    & skf21("7","2","2","7","6","3","4","1") = "6"
    & skf21("7","2","2","7","6","3","5","1") = "6"
    & skf21("7","2","2","7","6","3","6","1") = "6"
    & skf21("7","2","2","7","6","3","7","1") = "6"
    & skf21("7","2","2","7","6","4","1","1") = "6"
    & skf21("7","2","2","7","6","4","2","1") = "6"
    & skf21("7","2","2","7","6","4","3","1") = "6"
    & skf21("7","2","2","7","6","4","4","1") = "6"
    & skf21("7","2","2","7","6","4","5","1") = "6"
    & skf21("7","2","2","7","6","4","6","1") = "6"
    & skf21("7","2","2","7","6","4","7","1") = "6"
    & skf21("7","2","2","7","6","5","1","1") = "6"
    & skf21("7","2","2","7","6","5","2","1") = "6"
    & skf21("7","2","2","7","6","5","3","1") = "6"
    & skf21("7","2","2","7","6","5","4","1") = "6"
    & skf21("7","2","2","7","6","5","5","1") = "6"
    & skf21("7","2","2","7","6","5","6","1") = "6"
    & skf21("7","2","2","7","6","5","7","1") = "6"
    & skf21("7","2","2","7","6","6","1","1") = "6"
    & skf21("7","2","2","7","6","6","2","1") = "6"
    & skf21("7","2","2","7","6","6","3","1") = "6"
    & skf21("7","2","2","7","6","6","4","1") = "6"
    & skf21("7","2","2","7","6","6","5","1") = "6"
    & skf21("7","2","2","7","6","6","6","1") = "6"
    & skf21("7","2","2","7","6","6","7","1") = "6"
    & skf21("7","2","2","7","6","7","1","1") = "6"
    & skf21("7","2","2","7","6","7","2","1") = "6"
    & skf21("7","2","2","7","6","7","3","1") = "6"
    & skf21("7","2","2","7","6","7","4","1") = "6"
    & skf21("7","2","2","7","6","7","5","1") = "6"
    & skf21("7","2","2","7","6","7","6","1") = "6"
    & skf21("7","2","2","7","6","7","7","1") = "6"
    & skf21("7","2","2","7","7","1","1","1") = "6"
    & skf21("7","2","2","7","7","1","2","1") = "6"
    & skf21("7","2","2","7","7","1","3","1") = "6"
    & skf21("7","2","2","7","7","1","4","1") = "6"
    & skf21("7","2","2","7","7","1","5","1") = "6"
    & skf21("7","2","2","7","7","1","6","1") = "6"
    & skf21("7","2","2","7","7","1","7","1") = "6"
    & skf21("7","2","2","7","7","2","1","1") = "6"
    & skf21("7","2","2","7","7","2","2","1") = "6"
    & skf21("7","2","2","7","7","2","3","1") = "6"
    & skf21("7","2","2","7","7","2","4","1") = "6"
    & skf21("7","2","2","7","7","2","5","1") = "6"
    & skf21("7","2","2","7","7","2","6","1") = "6"
    & skf21("7","2","2","7","7","2","7","1") = "6"
    & skf21("7","2","2","7","7","3","1","1") = "6"
    & skf21("7","2","2","7","7","3","2","1") = "6"
    & skf21("7","2","2","7","7","3","3","1") = "6"
    & skf21("7","2","2","7","7","3","4","1") = "6"
    & skf21("7","2","2","7","7","3","5","1") = "6"
    & skf21("7","2","2","7","7","3","6","1") = "6"
    & skf21("7","2","2","7","7","3","7","1") = "6"
    & skf21("7","2","2","7","7","4","1","1") = "6"
    & skf21("7","2","2","7","7","4","2","1") = "6"
    & skf21("7","2","2","7","7","4","3","1") = "6"
    & skf21("7","2","2","7","7","4","4","1") = "6"
    & skf21("7","2","2","7","7","4","5","1") = "6"
    & skf21("7","2","2","7","7","4","6","1") = "6"
    & skf21("7","2","2","7","7","4","7","1") = "6"
    & skf21("7","2","2","7","7","5","1","1") = "6"
    & skf21("7","2","2","7","7","5","2","1") = "6"
    & skf21("7","2","2","7","7","5","3","1") = "6"
    & skf21("7","2","2","7","7","5","4","1") = "6"
    & skf21("7","2","2","7","7","5","5","1") = "6"
    & skf21("7","2","2","7","7","5","6","1") = "6"
    & skf21("7","2","2","7","7","5","7","1") = "6"
    & skf21("7","2","2","7","7","6","1","1") = "6"
    & skf21("7","2","2","7","7","6","2","1") = "6"
    & skf21("7","2","2","7","7","6","3","1") = "6"
    & skf21("7","2","2","7","7","6","4","1") = "6"
    & skf21("7","2","2","7","7","6","5","1") = "6"
    & skf21("7","2","2","7","7","6","6","1") = "6"
    & skf21("7","2","2","7","7","6","7","1") = "6"
    & skf21("7","2","2","7","7","7","1","1") = "6"
    & skf21("7","2","2","7","7","7","2","1") = "6"
    & skf21("7","2","2","7","7","7","3","1") = "6"
    & skf21("7","2","2","7","7","7","4","1") = "6"
    & skf21("7","2","2","7","7","7","5","1") = "6"
    & skf21("7","2","2","7","7","7","6","1") = "6"
    & skf21("7","2","2","7","7","7","7","1") = "6"
    & skf21("7","2","3","1","1","1","1","1") = "6"
    & skf21("7","2","3","1","1","1","2","1") = "6"
    & skf21("7","2","3","1","1","1","3","1") = "6"
    & skf21("7","2","3","1","1","1","4","1") = "6"
    & skf21("7","2","3","1","1","1","5","1") = "6"
    & skf21("7","2","3","1","1","1","6","1") = "6"
    & skf21("7","2","3","1","1","1","7","1") = "6"
    & skf21("7","2","3","1","1","2","1","1") = "6"
    & skf21("7","2","3","1","1","2","2","1") = "6"
    & skf21("7","2","3","1","1","2","3","1") = "6"
    & skf21("7","2","3","1","1","2","4","1") = "6"
    & skf21("7","2","3","1","1","2","5","1") = "6"
    & skf21("7","2","3","1","1","2","6","1") = "6"
    & skf21("7","2","3","1","1","2","7","1") = "6"
    & skf21("7","2","3","1","1","3","1","1") = "6"
    & skf21("7","2","3","1","1","3","2","1") = "6"
    & skf21("7","2","3","1","1","3","3","1") = "6"
    & skf21("7","2","3","1","1","3","4","1") = "6"
    & skf21("7","2","3","1","1","3","5","1") = "6"
    & skf21("7","2","3","1","1","3","6","1") = "6"
    & skf21("7","2","3","1","1","3","7","1") = "6"
    & skf21("7","2","3","1","1","4","1","1") = "6"
    & skf21("7","2","3","1","1","4","2","1") = "6"
    & skf21("7","2","3","1","1","4","3","1") = "6"
    & skf21("7","2","3","1","1","4","4","1") = "6"
    & skf21("7","2","3","1","1","4","5","1") = "6"
    & skf21("7","2","3","1","1","4","6","1") = "6"
    & skf21("7","2","3","1","1","4","7","1") = "6"
    & skf21("7","2","3","1","1","5","1","1") = "6"
    & skf21("7","2","3","1","1","5","2","1") = "6"
    & skf21("7","2","3","1","1","5","3","1") = "6"
    & skf21("7","2","3","1","1","5","4","1") = "6"
    & skf21("7","2","3","1","1","5","5","1") = "6"
    & skf21("7","2","3","1","1","5","6","1") = "6"
    & skf21("7","2","3","1","1","5","7","1") = "6"
    & skf21("7","2","3","1","1","6","1","1") = "6"
    & skf21("7","2","3","1","1","6","2","1") = "6"
    & skf21("7","2","3","1","1","6","3","1") = "6"
    & skf21("7","2","3","1","1","6","4","1") = "6"
    & skf21("7","2","3","1","1","6","5","1") = "6"
    & skf21("7","2","3","1","1","6","6","1") = "6"
    & skf21("7","2","3","1","1","6","7","1") = "6"
    & skf21("7","2","3","1","1","7","1","1") = "6"
    & skf21("7","2","3","1","1","7","2","1") = "6"
    & skf21("7","2","3","1","1","7","3","1") = "6"
    & skf21("7","2","3","1","1","7","4","1") = "6"
    & skf21("7","2","3","1","1","7","5","1") = "6"
    & skf21("7","2","3","1","1","7","6","1") = "6"
    & skf21("7","2","3","1","1","7","7","1") = "6"
    & skf21("7","2","3","1","2","1","1","1") = "6"
    & skf21("7","2","3","1","2","1","2","1") = "6"
    & skf21("7","2","3","1","2","1","3","1") = "6"
    & skf21("7","2","3","1","2","1","4","1") = "6"
    & skf21("7","2","3","1","2","1","5","1") = "6"
    & skf21("7","2","3","1","2","1","6","1") = "6"
    & skf21("7","2","3","1","2","1","7","1") = "6"
    & skf21("7","2","3","1","2","2","1","1") = "6"
    & skf21("7","2","3","1","2","2","2","1") = "6"
    & skf21("7","2","3","1","2","2","3","1") = "6"
    & skf21("7","2","3","1","2","2","4","1") = "6"
    & skf21("7","2","3","1","2","2","5","1") = "6"
    & skf21("7","2","3","1","2","2","6","1") = "6"
    & skf21("7","2","3","1","2","2","7","1") = "6"
    & skf21("7","2","3","1","2","3","1","1") = "6"
    & skf21("7","2","3","1","2","3","2","1") = "6"
    & skf21("7","2","3","1","2","3","3","1") = "6"
    & skf21("7","2","3","1","2","3","4","1") = "6"
    & skf21("7","2","3","1","2","3","5","1") = "6"
    & skf21("7","2","3","1","2","3","6","1") = "6"
    & skf21("7","2","3","1","2","3","7","1") = "6"
    & skf21("7","2","3","1","2","4","1","1") = "6"
    & skf21("7","2","3","1","2","4","2","1") = "6"
    & skf21("7","2","3","1","2","4","3","1") = "6"
    & skf21("7","2","3","1","2","4","4","1") = "6"
    & skf21("7","2","3","1","2","4","5","1") = "6"
    & skf21("7","2","3","1","2","4","6","1") = "6"
    & skf21("7","2","3","1","2","4","7","1") = "6"
    & skf21("7","2","3","1","2","5","1","1") = "6"
    & skf21("7","2","3","1","2","5","2","1") = "6"
    & skf21("7","2","3","1","2","5","3","1") = "6"
    & skf21("7","2","3","1","2","5","4","1") = "6"
    & skf21("7","2","3","1","2","5","5","1") = "6"
    & skf21("7","2","3","1","2","5","6","1") = "6"
    & skf21("7","2","3","1","2","5","7","1") = "6"
    & skf21("7","2","3","1","2","6","1","1") = "6"
    & skf21("7","2","3","1","2","6","2","1") = "6"
    & skf21("7","2","3","1","2","6","3","1") = "6"
    & skf21("7","2","3","1","2","6","4","1") = "6"
    & skf21("7","2","3","1","2","6","5","1") = "6"
    & skf21("7","2","3","1","2","6","6","1") = "6"
    & skf21("7","2","3","1","2","6","7","1") = "6"
    & skf21("7","2","3","1","2","7","1","1") = "6"
    & skf21("7","2","3","1","2","7","2","1") = "6"
    & skf21("7","2","3","1","2","7","3","1") = "6"
    & skf21("7","2","3","1","2","7","4","1") = "6"
    & skf21("7","2","3","1","2","7","5","1") = "6"
    & skf21("7","2","3","1","2","7","6","1") = "6"
    & skf21("7","2","3","1","2","7","7","1") = "6"
    & skf21("7","2","3","1","3","1","1","1") = "6"
    & skf21("7","2","3","1","3","1","2","1") = "6"
    & skf21("7","2","3","1","3","1","3","1") = "6"
    & skf21("7","2","3","1","3","1","4","1") = "6"
    & skf21("7","2","3","1","3","1","5","1") = "6"
    & skf21("7","2","3","1","3","1","6","1") = "6"
    & skf21("7","2","3","1","3","1","7","1") = "6"
    & skf21("7","2","3","1","3","2","1","1") = "6"
    & skf21("7","2","3","1","3","2","2","1") = "6"
    & skf21("7","2","3","1","3","2","3","1") = "6"
    & skf21("7","2","3","1","3","2","4","1") = "6"
    & skf21("7","2","3","1","3","2","5","1") = "6"
    & skf21("7","2","3","1","3","2","6","1") = "6"
    & skf21("7","2","3","1","3","2","7","1") = "6"
    & skf21("7","2","3","1","3","3","1","1") = "6"
    & skf21("7","2","3","1","3","3","2","1") = "6"
    & skf21("7","2","3","1","3","3","3","1") = "6"
    & skf21("7","2","3","1","3","3","4","1") = "6"
    & skf21("7","2","3","1","3","3","5","1") = "6"
    & skf21("7","2","3","1","3","3","6","1") = "6"
    & skf21("7","2","3","1","3","3","7","1") = "6"
    & skf21("7","2","3","1","3","4","1","1") = "6"
    & skf21("7","2","3","1","3","4","2","1") = "6"
    & skf21("7","2","3","1","3","4","3","1") = "6"
    & skf21("7","2","3","1","3","4","4","1") = "6"
    & skf21("7","2","3","1","3","4","5","1") = "6"
    & skf21("7","2","3","1","3","4","6","1") = "6"
    & skf21("7","2","3","1","3","4","7","1") = "6"
    & skf21("7","2","3","1","3","5","1","1") = "6"
    & skf21("7","2","3","1","3","5","2","1") = "6"
    & skf21("7","2","3","1","3","5","3","1") = "6"
    & skf21("7","2","3","1","3","5","4","1") = "6"
    & skf21("7","2","3","1","3","5","5","1") = "6"
    & skf21("7","2","3","1","3","5","6","1") = "6"
    & skf21("7","2","3","1","3","5","7","1") = "6"
    & skf21("7","2","3","1","3","6","1","1") = "6"
    & skf21("7","2","3","1","3","6","2","1") = "6"
    & skf21("7","2","3","1","3","6","3","1") = "6"
    & skf21("7","2","3","1","3","6","4","1") = "6"
    & skf21("7","2","3","1","3","6","5","1") = "6"
    & skf21("7","2","3","1","3","6","6","1") = "6"
    & skf21("7","2","3","1","3","6","7","1") = "6"
    & skf21("7","2","3","1","3","7","1","1") = "6"
    & skf21("7","2","3","1","3","7","2","1") = "6"
    & skf21("7","2","3","1","3","7","3","1") = "6"
    & skf21("7","2","3","1","3","7","4","1") = "6"
    & skf21("7","2","3","1","3","7","5","1") = "6"
    & skf21("7","2","3","1","3","7","6","1") = "6"
    & skf21("7","2","3","1","3","7","7","1") = "6"
    & skf21("7","2","3","1","4","1","1","1") = "6"
    & skf21("7","2","3","1","4","1","2","1") = "6"
    & skf21("7","2","3","1","4","1","3","1") = "6"
    & skf21("7","2","3","1","4","1","4","1") = "6"
    & skf21("7","2","3","1","4","1","5","1") = "6"
    & skf21("7","2","3","1","4","1","6","1") = "6"
    & skf21("7","2","3","1","4","1","7","1") = "6"
    & skf21("7","2","3","1","4","2","1","1") = "6"
    & skf21("7","2","3","1","4","2","2","1") = "6"
    & skf21("7","2","3","1","4","2","3","1") = "6"
    & skf21("7","2","3","1","4","2","4","1") = "6"
    & skf21("7","2","3","1","4","2","5","1") = "6"
    & skf21("7","2","3","1","4","2","6","1") = "6"
    & skf21("7","2","3","1","4","2","7","1") = "6"
    & skf21("7","2","3","1","4","3","1","1") = "6"
    & skf21("7","2","3","1","4","3","2","1") = "6"
    & skf21("7","2","3","1","4","3","3","1") = "6"
    & skf21("7","2","3","1","4","3","4","1") = "6"
    & skf21("7","2","3","1","4","3","5","1") = "6"
    & skf21("7","2","3","1","4","3","6","1") = "6"
    & skf21("7","2","3","1","4","3","7","1") = "6"
    & skf21("7","2","3","1","4","4","1","1") = "6"
    & skf21("7","2","3","1","4","4","2","1") = "6"
    & skf21("7","2","3","1","4","4","3","1") = "6"
    & skf21("7","2","3","1","4","4","4","1") = "6"
    & skf21("7","2","3","1","4","4","5","1") = "6"
    & skf21("7","2","3","1","4","4","6","1") = "6"
    & skf21("7","2","3","1","4","4","7","1") = "6"
    & skf21("7","2","3","1","4","5","1","1") = "6"
    & skf21("7","2","3","1","4","5","2","1") = "6"
    & skf21("7","2","3","1","4","5","3","1") = "6"
    & skf21("7","2","3","1","4","5","4","1") = "6"
    & skf21("7","2","3","1","4","5","5","1") = "6"
    & skf21("7","2","3","1","4","5","6","1") = "6"
    & skf21("7","2","3","1","4","5","7","1") = "6"
    & skf21("7","2","3","1","4","6","1","1") = "6"
    & skf21("7","2","3","1","4","6","2","1") = "6"
    & skf21("7","2","3","1","4","6","3","1") = "6"
    & skf21("7","2","3","1","4","6","4","1") = "6"
    & skf21("7","2","3","1","4","6","5","1") = "6"
    & skf21("7","2","3","1","4","6","6","1") = "6"
    & skf21("7","2","3","1","4","6","7","1") = "6"
    & skf21("7","2","3","1","4","7","1","1") = "6"
    & skf21("7","2","3","1","4","7","2","1") = "6"
    & skf21("7","2","3","1","4","7","3","1") = "6"
    & skf21("7","2","3","1","4","7","4","1") = "6"
    & skf21("7","2","3","1","4","7","5","1") = "6"
    & skf21("7","2","3","1","4","7","6","1") = "6"
    & skf21("7","2","3","1","4","7","7","1") = "6"
    & skf21("7","2","3","1","5","1","1","1") = "6"
    & skf21("7","2","3","1","5","1","2","1") = "6"
    & skf21("7","2","3","1","5","1","3","1") = "6"
    & skf21("7","2","3","1","5","1","4","1") = "6"
    & skf21("7","2","3","1","5","1","5","1") = "6"
    & skf21("7","2","3","1","5","1","6","1") = "6"
    & skf21("7","2","3","1","5","1","7","1") = "6"
    & skf21("7","2","3","1","5","2","1","1") = "6"
    & skf21("7","2","3","1","5","2","2","1") = "6"
    & skf21("7","2","3","1","5","2","3","1") = "6"
    & skf21("7","2","3","1","5","2","4","1") = "6"
    & skf21("7","2","3","1","5","2","5","1") = "6"
    & skf21("7","2","3","1","5","2","6","1") = "6"
    & skf21("7","2","3","1","5","2","7","1") = "6"
    & skf21("7","2","3","1","5","3","1","1") = "6"
    & skf21("7","2","3","1","5","3","2","1") = "6"
    & skf21("7","2","3","1","5","3","3","1") = "6"
    & skf21("7","2","3","1","5","3","4","1") = "6"
    & skf21("7","2","3","1","5","3","5","1") = "6"
    & skf21("7","2","3","1","5","3","6","1") = "6"
    & skf21("7","2","3","1","5","3","7","1") = "6"
    & skf21("7","2","3","1","5","4","1","1") = "6"
    & skf21("7","2","3","1","5","4","2","1") = "6"
    & skf21("7","2","3","1","5","4","3","1") = "6"
    & skf21("7","2","3","1","5","4","4","1") = "6"
    & skf21("7","2","3","1","5","4","5","1") = "6"
    & skf21("7","2","3","1","5","4","6","1") = "6"
    & skf21("7","2","3","1","5","4","7","1") = "6"
    & skf21("7","2","3","1","5","5","1","1") = "6"
    & skf21("7","2","3","1","5","5","2","1") = "6"
    & skf21("7","2","3","1","5","5","3","1") = "6"
    & skf21("7","2","3","1","5","5","4","1") = "6"
    & skf21("7","2","3","1","5","5","5","1") = "6"
    & skf21("7","2","3","1","5","5","6","1") = "6"
    & skf21("7","2","3","1","5","5","7","1") = "6"
    & skf21("7","2","3","1","5","6","1","1") = "6"
    & skf21("7","2","3","1","5","6","2","1") = "6"
    & skf21("7","2","3","1","5","6","3","1") = "6"
    & skf21("7","2","3","1","5","6","4","1") = "6"
    & skf21("7","2","3","1","5","6","5","1") = "6"
    & skf21("7","2","3","1","5","6","6","1") = "6"
    & skf21("7","2","3","1","5","6","7","1") = "6"
    & skf21("7","2","3","1","5","7","1","1") = "6"
    & skf21("7","2","3","1","5","7","2","1") = "6"
    & skf21("7","2","3","1","5","7","3","1") = "6"
    & skf21("7","2","3","1","5","7","4","1") = "6"
    & skf21("7","2","3","1","5","7","5","1") = "6"
    & skf21("7","2","3","1","5","7","6","1") = "6"
    & skf21("7","2","3","1","5","7","7","1") = "6"
    & skf21("7","2","3","1","6","1","1","1") = "6"
    & skf21("7","2","3","1","6","1","2","1") = "6"
    & skf21("7","2","3","1","6","1","3","1") = "6"
    & skf21("7","2","3","1","6","1","4","1") = "6"
    & skf21("7","2","3","1","6","1","5","1") = "6"
    & skf21("7","2","3","1","6","1","6","1") = "6"
    & skf21("7","2","3","1","6","1","7","1") = "6"
    & skf21("7","2","3","1","6","2","1","1") = "6"
    & skf21("7","2","3","1","6","2","2","1") = "6"
    & skf21("7","2","3","1","6","2","3","1") = "6"
    & skf21("7","2","3","1","6","2","4","1") = "6"
    & skf21("7","2","3","1","6","2","5","1") = "6"
    & skf21("7","2","3","1","6","2","6","1") = "6"
    & skf21("7","2","3","1","6","2","7","1") = "6"
    & skf21("7","2","3","1","6","3","1","1") = "6"
    & skf21("7","2","3","1","6","3","2","1") = "6"
    & skf21("7","2","3","1","6","3","3","1") = "6"
    & skf21("7","2","3","1","6","3","4","1") = "6"
    & skf21("7","2","3","1","6","3","5","1") = "6"
    & skf21("7","2","3","1","6","3","6","1") = "6"
    & skf21("7","2","3","1","6","3","7","1") = "6"
    & skf21("7","2","3","1","6","4","1","1") = "6"
    & skf21("7","2","3","1","6","4","2","1") = "6"
    & skf21("7","2","3","1","6","4","3","1") = "6"
    & skf21("7","2","3","1","6","4","4","1") = "6"
    & skf21("7","2","3","1","6","4","5","1") = "6"
    & skf21("7","2","3","1","6","4","6","1") = "6"
    & skf21("7","2","3","1","6","4","7","1") = "6"
    & skf21("7","2","3","1","6","5","1","1") = "6"
    & skf21("7","2","3","1","6","5","2","1") = "6"
    & skf21("7","2","3","1","6","5","3","1") = "6"
    & skf21("7","2","3","1","6","5","4","1") = "6"
    & skf21("7","2","3","1","6","5","5","1") = "6"
    & skf21("7","2","3","1","6","5","6","1") = "6"
    & skf21("7","2","3","1","6","5","7","1") = "6"
    & skf21("7","2","3","1","6","6","1","1") = "6"
    & skf21("7","2","3","1","6","6","2","1") = "6"
    & skf21("7","2","3","1","6","6","3","1") = "6"
    & skf21("7","2","3","1","6","6","4","1") = "6"
    & skf21("7","2","3","1","6","6","5","1") = "6"
    & skf21("7","2","3","1","6","6","6","1") = "6"
    & skf21("7","2","3","1","6","6","7","1") = "6"
    & skf21("7","2","3","1","6","7","1","1") = "6"
    & skf21("7","2","3","1","6","7","2","1") = "6"
    & skf21("7","2","3","1","6","7","3","1") = "6"
    & skf21("7","2","3","1","6","7","4","1") = "6"
    & skf21("7","2","3","1","6","7","5","1") = "6"
    & skf21("7","2","3","1","6","7","6","1") = "6"
    & skf21("7","2","3","1","6","7","7","1") = "6"
    & skf21("7","2","3","1","7","1","1","1") = "6"
    & skf21("7","2","3","1","7","1","2","1") = "6"
    & skf21("7","2","3","1","7","1","3","1") = "6"
    & skf21("7","2","3","1","7","1","4","1") = "6"
    & skf21("7","2","3","1","7","1","5","1") = "6"
    & skf21("7","2","3","1","7","1","6","1") = "6"
    & skf21("7","2","3","1","7","1","7","1") = "6"
    & skf21("7","2","3","1","7","2","1","1") = "6"
    & skf21("7","2","3","1","7","2","2","1") = "6"
    & skf21("7","2","3","1","7","2","3","1") = "6"
    & skf21("7","2","3","1","7","2","4","1") = "6"
    & skf21("7","2","3","1","7","2","5","1") = "6"
    & skf21("7","2","3","1","7","2","6","1") = "6"
    & skf21("7","2","3","1","7","2","7","1") = "6"
    & skf21("7","2","3","1","7","3","1","1") = "6"
    & skf21("7","2","3","1","7","3","2","1") = "6"
    & skf21("7","2","3","1","7","3","3","1") = "6"
    & skf21("7","2","3","1","7","3","4","1") = "6"
    & skf21("7","2","3","1","7","3","5","1") = "6"
    & skf21("7","2","3","1","7","3","6","1") = "6"
    & skf21("7","2","3","1","7","3","7","1") = "6"
    & skf21("7","2","3","1","7","4","1","1") = "6"
    & skf21("7","2","3","1","7","4","2","1") = "6"
    & skf21("7","2","3","1","7","4","3","1") = "6"
    & skf21("7","2","3","1","7","4","4","1") = "6"
    & skf21("7","2","3","1","7","4","5","1") = "6"
    & skf21("7","2","3","1","7","4","6","1") = "6"
    & skf21("7","2","3","1","7","4","7","1") = "6"
    & skf21("7","2","3","1","7","5","1","1") = "6"
    & skf21("7","2","3","1","7","5","2","1") = "6"
    & skf21("7","2","3","1","7","5","3","1") = "6"
    & skf21("7","2","3","1","7","5","4","1") = "6"
    & skf21("7","2","3","1","7","5","5","1") = "6"
    & skf21("7","2","3","1","7","5","6","1") = "6"
    & skf21("7","2","3","1","7","5","7","1") = "6"
    & skf21("7","2","3","1","7","6","1","1") = "6"
    & skf21("7","2","3","1","7","6","2","1") = "6"
    & skf21("7","2","3","1","7","6","3","1") = "6"
    & skf21("7","2","3","1","7","6","4","1") = "6"
    & skf21("7","2","3","1","7","6","5","1") = "6"
    & skf21("7","2","3","1","7","6","6","1") = "6"
    & skf21("7","2","3","1","7","6","7","1") = "6"
    & skf21("7","2","3","1","7","7","1","1") = "6"
    & skf21("7","2","3","1","7","7","2","1") = "6"
    & skf21("7","2","3","1","7","7","3","1") = "6"
    & skf21("7","2","3","1","7","7","4","1") = "6"
    & skf21("7","2","3","1","7","7","5","1") = "6"
    & skf21("7","2","3","1","7","7","6","1") = "6"
    & skf21("7","2","3","1","7","7","7","1") = "6"
    & skf21("7","2","3","2","1","1","1","1") = "6"
    & skf21("7","2","3","2","1","1","2","1") = "6"
    & skf21("7","2","3","2","1","1","3","1") = "6"
    & skf21("7","2","3","2","1","1","4","1") = "6"
    & skf21("7","2","3","2","1","1","5","1") = "6"
    & skf21("7","2","3","2","1","1","6","1") = "6"
    & skf21("7","2","3","2","1","1","7","1") = "6"
    & skf21("7","2","3","2","1","2","1","1") = "6"
    & skf21("7","2","3","2","1","2","2","1") = "6"
    & skf21("7","2","3","2","1","2","3","1") = "6"
    & skf21("7","2","3","2","1","2","4","1") = "6"
    & skf21("7","2","3","2","1","2","5","1") = "6"
    & skf21("7","2","3","2","1","2","6","1") = "6"
    & skf21("7","2","3","2","1","2","7","1") = "6"
    & skf21("7","2","3","2","1","3","1","1") = "6"
    & skf21("7","2","3","2","1","3","2","1") = "6"
    & skf21("7","2","3","2","1","3","3","1") = "6"
    & skf21("7","2","3","2","1","3","4","1") = "6"
    & skf21("7","2","3","2","1","3","5","1") = "6"
    & skf21("7","2","3","2","1","3","6","1") = "6"
    & skf21("7","2","3","2","1","3","7","1") = "6"
    & skf21("7","2","3","2","1","4","1","1") = "6"
    & skf21("7","2","3","2","1","4","2","1") = "6"
    & skf21("7","2","3","2","1","4","3","1") = "6"
    & skf21("7","2","3","2","1","4","4","1") = "6"
    & skf21("7","2","3","2","1","4","5","1") = "6"
    & skf21("7","2","3","2","1","4","6","1") = "6"
    & skf21("7","2","3","2","1","4","7","1") = "6"
    & skf21("7","2","3","2","1","5","1","1") = "6"
    & skf21("7","2","3","2","1","5","2","1") = "6"
    & skf21("7","2","3","2","1","5","3","1") = "6"
    & skf21("7","2","3","2","1","5","4","1") = "6"
    & skf21("7","2","3","2","1","5","5","1") = "6"
    & skf21("7","2","3","2","1","5","6","1") = "6"
    & skf21("7","2","3","2","1","5","7","1") = "6"
    & skf21("7","2","3","2","1","6","1","1") = "6"
    & skf21("7","2","3","2","1","6","2","1") = "6"
    & skf21("7","2","3","2","1","6","3","1") = "6"
    & skf21("7","2","3","2","1","6","4","1") = "6"
    & skf21("7","2","3","2","1","6","5","1") = "6"
    & skf21("7","2","3","2","1","6","6","1") = "6"
    & skf21("7","2","3","2","1","6","7","1") = "6"
    & skf21("7","2","3","2","1","7","1","1") = "6"
    & skf21("7","2","3","2","1","7","2","1") = "6"
    & skf21("7","2","3","2","1","7","3","1") = "6"
    & skf21("7","2","3","2","1","7","4","1") = "6"
    & skf21("7","2","3","2","1","7","5","1") = "6"
    & skf21("7","2","3","2","1","7","6","1") = "6"
    & skf21("7","2","3","2","1","7","7","1") = "6"
    & skf21("7","2","3","2","2","1","1","1") = "6"
    & skf21("7","2","3","2","2","1","2","1") = "6"
    & skf21("7","2","3","2","2","1","3","1") = "6"
    & skf21("7","2","3","2","2","1","4","1") = "6"
    & skf21("7","2","3","2","2","1","5","1") = "6"
    & skf21("7","2","3","2","2","1","6","1") = "6"
    & skf21("7","2","3","2","2","1","7","1") = "6"
    & skf21("7","2","3","2","2","2","1","1") = "6"
    & skf21("7","2","3","2","2","2","2","1") = "6"
    & skf21("7","2","3","2","2","2","3","1") = "6"
    & skf21("7","2","3","2","2","2","4","1") = "6"
    & skf21("7","2","3","2","2","2","5","1") = "6"
    & skf21("7","2","3","2","2","2","6","1") = "6"
    & skf21("7","2","3","2","2","2","7","1") = "6"
    & skf21("7","2","3","2","2","3","1","1") = "6"
    & skf21("7","2","3","2","2","3","2","1") = "6"
    & skf21("7","2","3","2","2","3","3","1") = "6"
    & skf21("7","2","3","2","2","3","4","1") = "6"
    & skf21("7","2","3","2","2","3","5","1") = "6"
    & skf21("7","2","3","2","2","3","6","1") = "6"
    & skf21("7","2","3","2","2","3","7","1") = "6"
    & skf21("7","2","3","2","2","4","1","1") = "6"
    & skf21("7","2","3","2","2","4","2","1") = "6"
    & skf21("7","2","3","2","2","4","3","1") = "6"
    & skf21("7","2","3","2","2","4","4","1") = "6"
    & skf21("7","2","3","2","2","4","5","1") = "6"
    & skf21("7","2","3","2","2","4","6","1") = "6"
    & skf21("7","2","3","2","2","4","7","1") = "6"
    & skf21("7","2","3","2","2","5","1","1") = "6"
    & skf21("7","2","3","2","2","5","2","1") = "6"
    & skf21("7","2","3","2","2","5","3","1") = "6"
    & skf21("7","2","3","2","2","5","4","1") = "6"
    & skf21("7","2","3","2","2","5","5","1") = "6"
    & skf21("7","2","3","2","2","5","6","1") = "6"
    & skf21("7","2","3","2","2","5","7","1") = "6"
    & skf21("7","2","3","2","2","6","1","1") = "6"
    & skf21("7","2","3","2","2","6","2","1") = "6"
    & skf21("7","2","3","2","2","6","3","1") = "6"
    & skf21("7","2","3","2","2","6","4","1") = "6"
    & skf21("7","2","3","2","2","6","5","1") = "6"
    & skf21("7","2","3","2","2","6","6","1") = "6"
    & skf21("7","2","3","2","2","6","7","1") = "6"
    & skf21("7","2","3","2","2","7","1","1") = "6"
    & skf21("7","2","3","2","2","7","2","1") = "6"
    & skf21("7","2","3","2","2","7","3","1") = "6"
    & skf21("7","2","3","2","2","7","4","1") = "6"
    & skf21("7","2","3","2","2","7","5","1") = "6"
    & skf21("7","2","3","2","2","7","6","1") = "6"
    & skf21("7","2","3","2","2","7","7","1") = "6"
    & skf21("7","2","3","2","3","1","1","1") = "6"
    & skf21("7","2","3","2","3","1","2","1") = "6"
    & skf21("7","2","3","2","3","1","3","1") = "6"
    & skf21("7","2","3","2","3","1","4","1") = "6"
    & skf21("7","2","3","2","3","1","5","1") = "6"
    & skf21("7","2","3","2","3","1","6","1") = "6"
    & skf21("7","2","3","2","3","1","7","1") = "6"
    & skf21("7","2","3","2","3","2","1","1") = "6"
    & skf21("7","2","3","2","3","2","2","1") = "6"
    & skf21("7","2","3","2","3","2","3","1") = "6"
    & skf21("7","2","3","2","3","2","4","1") = "6"
    & skf21("7","2","3","2","3","2","5","1") = "6"
    & skf21("7","2","3","2","3","2","6","1") = "6"
    & skf21("7","2","3","2","3","2","7","1") = "6"
    & skf21("7","2","3","2","3","3","1","1") = "6"
    & skf21("7","2","3","2","3","3","2","1") = "6"
    & skf21("7","2","3","2","3","3","3","1") = "6"
    & skf21("7","2","3","2","3","3","4","1") = "6"
    & skf21("7","2","3","2","3","3","5","1") = "6"
    & skf21("7","2","3","2","3","3","6","1") = "6"
    & skf21("7","2","3","2","3","3","7","1") = "6"
    & skf21("7","2","3","2","3","4","1","1") = "6"
    & skf21("7","2","3","2","3","4","2","1") = "6"
    & skf21("7","2","3","2","3","4","3","1") = "6"
    & skf21("7","2","3","2","3","4","4","1") = "6"
    & skf21("7","2","3","2","3","4","5","1") = "6"
    & skf21("7","2","3","2","3","4","6","1") = "6"
    & skf21("7","2","3","2","3","4","7","1") = "6"
    & skf21("7","2","3","2","3","5","1","1") = "6"
    & skf21("7","2","3","2","3","5","2","1") = "6"
    & skf21("7","2","3","2","3","5","3","1") = "6"
    & skf21("7","2","3","2","3","5","4","1") = "6"
    & skf21("7","2","3","2","3","5","5","1") = "6"
    & skf21("7","2","3","2","3","5","6","1") = "6"
    & skf21("7","2","3","2","3","5","7","1") = "6"
    & skf21("7","2","3","2","3","6","1","1") = "6"
    & skf21("7","2","3","2","3","6","2","1") = "6"
    & skf21("7","2","3","2","3","6","3","1") = "6"
    & skf21("7","2","3","2","3","6","4","1") = "6"
    & skf21("7","2","3","2","3","6","5","1") = "6"
    & skf21("7","2","3","2","3","6","6","1") = "6"
    & skf21("7","2","3","2","3","6","7","1") = "6"
    & skf21("7","2","3","2","3","7","1","1") = "6"
    & skf21("7","2","3","2","3","7","2","1") = "6"
    & skf21("7","2","3","2","3","7","3","1") = "6"
    & skf21("7","2","3","2","3","7","4","1") = "6"
    & skf21("7","2","3","2","3","7","5","1") = "6"
    & skf21("7","2","3","2","3","7","6","1") = "6"
    & skf21("7","2","3","2","3","7","7","1") = "6"
    & skf21("7","2","3","2","4","1","1","1") = "6"
    & skf21("7","2","3","2","4","1","2","1") = "6"
    & skf21("7","2","3","2","4","1","3","1") = "6"
    & skf21("7","2","3","2","4","1","4","1") = "6"
    & skf21("7","2","3","2","4","1","5","1") = "6"
    & skf21("7","2","3","2","4","1","6","1") = "6"
    & skf21("7","2","3","2","4","1","7","1") = "6"
    & skf21("7","2","3","2","4","2","1","1") = "6"
    & skf21("7","2","3","2","4","2","2","1") = "6"
    & skf21("7","2","3","2","4","2","3","1") = "6"
    & skf21("7","2","3","2","4","2","4","1") = "6"
    & skf21("7","2","3","2","4","2","5","1") = "6"
    & skf21("7","2","3","2","4","2","6","1") = "6"
    & skf21("7","2","3","2","4","2","7","1") = "6"
    & skf21("7","2","3","2","4","3","1","1") = "6"
    & skf21("7","2","3","2","4","3","2","1") = "6"
    & skf21("7","2","3","2","4","3","3","1") = "6"
    & skf21("7","2","3","2","4","3","4","1") = "6"
    & skf21("7","2","3","2","4","3","5","1") = "6"
    & skf21("7","2","3","2","4","3","6","1") = "6"
    & skf21("7","2","3","2","4","3","7","1") = "6"
    & skf21("7","2","3","2","4","4","1","1") = "6"
    & skf21("7","2","3","2","4","4","2","1") = "6"
    & skf21("7","2","3","2","4","4","3","1") = "6"
    & skf21("7","2","3","2","4","4","4","1") = "6"
    & skf21("7","2","3","2","4","4","5","1") = "6"
    & skf21("7","2","3","2","4","4","6","1") = "6"
    & skf21("7","2","3","2","4","4","7","1") = "6"
    & skf21("7","2","3","2","4","5","1","1") = "6"
    & skf21("7","2","3","2","4","5","2","1") = "6"
    & skf21("7","2","3","2","4","5","3","1") = "6"
    & skf21("7","2","3","2","4","5","4","1") = "6"
    & skf21("7","2","3","2","4","5","5","1") = "6"
    & skf21("7","2","3","2","4","5","6","1") = "6"
    & skf21("7","2","3","2","4","5","7","1") = "6"
    & skf21("7","2","3","2","4","6","1","1") = "6"
    & skf21("7","2","3","2","4","6","2","1") = "6"
    & skf21("7","2","3","2","4","6","3","1") = "6"
    & skf21("7","2","3","2","4","6","4","1") = "6"
    & skf21("7","2","3","2","4","6","5","1") = "6"
    & skf21("7","2","3","2","4","6","6","1") = "6"
    & skf21("7","2","3","2","4","6","7","1") = "6"
    & skf21("7","2","3","2","4","7","1","1") = "6"
    & skf21("7","2","3","2","4","7","2","1") = "6"
    & skf21("7","2","3","2","4","7","3","1") = "6"
    & skf21("7","2","3","2","4","7","4","1") = "6"
    & skf21("7","2","3","2","4","7","5","1") = "6"
    & skf21("7","2","3","2","4","7","6","1") = "6"
    & skf21("7","2","3","2","4","7","7","1") = "6"
    & skf21("7","2","3","2","5","1","1","1") = "6"
    & skf21("7","2","3","2","5","1","2","1") = "6"
    & skf21("7","2","3","2","5","1","3","1") = "6"
    & skf21("7","2","3","2","5","1","4","1") = "6"
    & skf21("7","2","3","2","5","1","5","1") = "6"
    & skf21("7","2","3","2","5","1","6","1") = "6"
    & skf21("7","2","3","2","5","1","7","1") = "6"
    & skf21("7","2","3","2","5","2","1","1") = "6"
    & skf21("7","2","3","2","5","2","2","1") = "6"
    & skf21("7","2","3","2","5","2","3","1") = "6"
    & skf21("7","2","3","2","5","2","4","1") = "6"
    & skf21("7","2","3","2","5","2","5","1") = "6"
    & skf21("7","2","3","2","5","2","6","1") = "6"
    & skf21("7","2","3","2","5","2","7","1") = "6"
    & skf21("7","2","3","2","5","3","1","1") = "6"
    & skf21("7","2","3","2","5","3","2","1") = "6"
    & skf21("7","2","3","2","5","3","3","1") = "6"
    & skf21("7","2","3","2","5","3","4","1") = "6"
    & skf21("7","2","3","2","5","3","5","1") = "6"
    & skf21("7","2","3","2","5","3","6","1") = "6"
    & skf21("7","2","3","2","5","3","7","1") = "6"
    & skf21("7","2","3","2","5","4","1","1") = "6"
    & skf21("7","2","3","2","5","4","2","1") = "6"
    & skf21("7","2","3","2","5","4","3","1") = "6"
    & skf21("7","2","3","2","5","4","4","1") = "6"
    & skf21("7","2","3","2","5","4","5","1") = "6"
    & skf21("7","2","3","2","5","4","6","1") = "6"
    & skf21("7","2","3","2","5","4","7","1") = "6"
    & skf21("7","2","3","2","5","5","1","1") = "6"
    & skf21("7","2","3","2","5","5","2","1") = "6"
    & skf21("7","2","3","2","5","5","3","1") = "6"
    & skf21("7","2","3","2","5","5","4","1") = "6"
    & skf21("7","2","3","2","5","5","5","1") = "6"
    & skf21("7","2","3","2","5","5","6","1") = "6"
    & skf21("7","2","3","2","5","5","7","1") = "6"
    & skf21("7","2","3","2","5","6","1","1") = "6"
    & skf21("7","2","3","2","5","6","2","1") = "6"
    & skf21("7","2","3","2","5","6","3","1") = "6"
    & skf21("7","2","3","2","5","6","4","1") = "6"
    & skf21("7","2","3","2","5","6","5","1") = "6"
    & skf21("7","2","3","2","5","6","6","1") = "6"
    & skf21("7","2","3","2","5","6","7","1") = "6"
    & skf21("7","2","3","2","5","7","1","1") = "6"
    & skf21("7","2","3","2","5","7","2","1") = "6"
    & skf21("7","2","3","2","5","7","3","1") = "6"
    & skf21("7","2","3","2","5","7","4","1") = "6"
    & skf21("7","2","3","2","5","7","5","1") = "6"
    & skf21("7","2","3","2","5","7","6","1") = "6"
    & skf21("7","2","3","2","5","7","7","1") = "6"
    & skf21("7","2","3","2","6","1","1","1") = "6"
    & skf21("7","2","3","2","6","1","2","1") = "6"
    & skf21("7","2","3","2","6","1","3","1") = "6"
    & skf21("7","2","3","2","6","1","4","1") = "6"
    & skf21("7","2","3","2","6","1","5","1") = "6"
    & skf21("7","2","3","2","6","1","6","1") = "6"
    & skf21("7","2","3","2","6","1","7","1") = "6"
    & skf21("7","2","3","2","6","2","1","1") = "6"
    & skf21("7","2","3","2","6","2","2","1") = "6"
    & skf21("7","2","3","2","6","2","3","1") = "6"
    & skf21("7","2","3","2","6","2","4","1") = "6"
    & skf21("7","2","3","2","6","2","5","1") = "6"
    & skf21("7","2","3","2","6","2","6","1") = "6"
    & skf21("7","2","3","2","6","2","7","1") = "6"
    & skf21("7","2","3","2","6","3","1","1") = "6"
    & skf21("7","2","3","2","6","3","2","1") = "6"
    & skf21("7","2","3","2","6","3","3","1") = "6"
    & skf21("7","2","3","2","6","3","4","1") = "6"
    & skf21("7","2","3","2","6","3","5","1") = "6"
    & skf21("7","2","3","2","6","3","6","1") = "6"
    & skf21("7","2","3","2","6","3","7","1") = "6"
    & skf21("7","2","3","2","6","4","1","1") = "6"
    & skf21("7","2","3","2","6","4","2","1") = "6"
    & skf21("7","2","3","2","6","4","3","1") = "6"
    & skf21("7","2","3","2","6","4","4","1") = "6"
    & skf21("7","2","3","2","6","4","5","1") = "6"
    & skf21("7","2","3","2","6","4","6","1") = "6"
    & skf21("7","2","3","2","6","4","7","1") = "6"
    & skf21("7","2","3","2","6","5","1","1") = "6"
    & skf21("7","2","3","2","6","5","2","1") = "6"
    & skf21("7","2","3","2","6","5","3","1") = "6"
    & skf21("7","2","3","2","6","5","4","1") = "6"
    & skf21("7","2","3","2","6","5","5","1") = "6"
    & skf21("7","2","3","2","6","5","6","1") = "6"
    & skf21("7","2","3","2","6","5","7","1") = "6"
    & skf21("7","2","3","2","6","6","1","1") = "6"
    & skf21("7","2","3","2","6","6","2","1") = "6"
    & skf21("7","2","3","2","6","6","3","1") = "6"
    & skf21("7","2","3","2","6","6","4","1") = "6"
    & skf21("7","2","3","2","6","6","5","1") = "6"
    & skf21("7","2","3","2","6","6","6","1") = "6"
    & skf21("7","2","3","2","6","6","7","1") = "6"
    & skf21("7","2","3","2","6","7","1","1") = "6"
    & skf21("7","2","3","2","6","7","2","1") = "6"
    & skf21("7","2","3","2","6","7","3","1") = "6"
    & skf21("7","2","3","2","6","7","4","1") = "6"
    & skf21("7","2","3","2","6","7","5","1") = "6"
    & skf21("7","2","3","2","6","7","6","1") = "6"
    & skf21("7","2","3","2","6","7","7","1") = "6"
    & skf21("7","2","3","2","7","1","1","1") = "6"
    & skf21("7","2","3","2","7","1","2","1") = "6"
    & skf21("7","2","3","2","7","1","3","1") = "6"
    & skf21("7","2","3","2","7","1","4","1") = "6"
    & skf21("7","2","3","2","7","1","5","1") = "6"
    & skf21("7","2","3","2","7","1","6","1") = "6"
    & skf21("7","2","3","2","7","1","7","1") = "6"
    & skf21("7","2","3","2","7","2","1","1") = "6"
    & skf21("7","2","3","2","7","2","2","1") = "6"
    & skf21("7","2","3","2","7","2","3","1") = "6"
    & skf21("7","2","3","2","7","2","4","1") = "6"
    & skf21("7","2","3","2","7","2","5","1") = "6"
    & skf21("7","2","3","2","7","2","6","1") = "6"
    & skf21("7","2","3","2","7","2","7","1") = "6"
    & skf21("7","2","3","2","7","3","1","1") = "6"
    & skf21("7","2","3","2","7","3","2","1") = "6"
    & skf21("7","2","3","2","7","3","3","1") = "6"
    & skf21("7","2","3","2","7","3","4","1") = "6"
    & skf21("7","2","3","2","7","3","5","1") = "6"
    & skf21("7","2","3","2","7","3","6","1") = "6"
    & skf21("7","2","3","2","7","3","7","1") = "6"
    & skf21("7","2","3","2","7","4","1","1") = "6"
    & skf21("7","2","3","2","7","4","2","1") = "6"
    & skf21("7","2","3","2","7","4","3","1") = "6"
    & skf21("7","2","3","2","7","4","4","1") = "6"
    & skf21("7","2","3","2","7","4","5","1") = "6"
    & skf21("7","2","3","2","7","4","6","1") = "6"
    & skf21("7","2","3","2","7","4","7","1") = "6"
    & skf21("7","2","3","2","7","5","1","1") = "6"
    & skf21("7","2","3","2","7","5","2","1") = "6"
    & skf21("7","2","3","2","7","5","3","1") = "6"
    & skf21("7","2","3","2","7","5","4","1") = "6"
    & skf21("7","2","3","2","7","5","5","1") = "6"
    & skf21("7","2","3","2","7","5","6","1") = "6"
    & skf21("7","2","3","2","7","5","7","1") = "6"
    & skf21("7","2","3","2","7","6","1","1") = "6"
    & skf21("7","2","3","2","7","6","2","1") = "6"
    & skf21("7","2","3","2","7","6","3","1") = "6"
    & skf21("7","2","3","2","7","6","4","1") = "6"
    & skf21("7","2","3","2","7","6","5","1") = "6"
    & skf21("7","2","3","2","7","6","6","1") = "6"
    & skf21("7","2","3","2","7","6","7","1") = "6"
    & skf21("7","2","3","2","7","7","1","1") = "6"
    & skf21("7","2","3","2","7","7","2","1") = "6"
    & skf21("7","2","3","2","7","7","3","1") = "6"
    & skf21("7","2","3","2","7","7","4","1") = "6"
    & skf21("7","2","3","2","7","7","5","1") = "6"
    & skf21("7","2","3","2","7","7","6","1") = "6"
    & skf21("7","2","3","2","7","7","7","1") = "6"
    & skf21("7","2","3","3","1","1","1","1") = "6"
    & skf21("7","2","3","3","1","1","2","1") = "6"
    & skf21("7","2","3","3","1","1","3","1") = "6"
    & skf21("7","2","3","3","1","1","4","1") = "6"
    & skf21("7","2","3","3","1","1","5","1") = "6"
    & skf21("7","2","3","3","1","1","6","1") = "6"
    & skf21("7","2","3","3","1","1","7","1") = "6"
    & skf21("7","2","3","3","1","2","1","1") = "6"
    & skf21("7","2","3","3","1","2","2","1") = "6"
    & skf21("7","2","3","3","1","2","3","1") = "6"
    & skf21("7","2","3","3","1","2","4","1") = "6"
    & skf21("7","2","3","3","1","2","5","1") = "6"
    & skf21("7","2","3","3","1","2","6","1") = "6"
    & skf21("7","2","3","3","1","2","7","1") = "6"
    & skf21("7","2","3","3","1","3","1","1") = "6"
    & skf21("7","2","3","3","1","3","2","1") = "6"
    & skf21("7","2","3","3","1","3","3","1") = "6"
    & skf21("7","2","3","3","1","3","4","1") = "6"
    & skf21("7","2","3","3","1","3","5","1") = "6"
    & skf21("7","2","3","3","1","3","6","1") = "6"
    & skf21("7","2","3","3","1","3","7","1") = "6"
    & skf21("7","2","3","3","1","4","1","1") = "6"
    & skf21("7","2","3","3","1","4","2","1") = "6"
    & skf21("7","2","3","3","1","4","3","1") = "6"
    & skf21("7","2","3","3","1","4","4","1") = "6"
    & skf21("7","2","3","3","1","4","5","1") = "6"
    & skf21("7","2","3","3","1","4","6","1") = "6"
    & skf21("7","2","3","3","1","4","7","1") = "6"
    & skf21("7","2","3","3","1","5","1","1") = "6"
    & skf21("7","2","3","3","1","5","2","1") = "6"
    & skf21("7","2","3","3","1","5","3","1") = "6"
    & skf21("7","2","3","3","1","5","4","1") = "6"
    & skf21("7","2","3","3","1","5","5","1") = "6"
    & skf21("7","2","3","3","1","5","6","1") = "6"
    & skf21("7","2","3","3","1","5","7","1") = "6"
    & skf21("7","2","3","3","1","6","1","1") = "6"
    & skf21("7","2","3","3","1","6","2","1") = "6"
    & skf21("7","2","3","3","1","6","3","1") = "6"
    & skf21("7","2","3","3","1","6","4","1") = "6"
    & skf21("7","2","3","3","1","6","5","1") = "6"
    & skf21("7","2","3","3","1","6","6","1") = "6"
    & skf21("7","2","3","3","1","6","7","1") = "6"
    & skf21("7","2","3","3","1","7","1","1") = "6"
    & skf21("7","2","3","3","1","7","2","1") = "6"
    & skf21("7","2","3","3","1","7","3","1") = "6"
    & skf21("7","2","3","3","1","7","4","1") = "6"
    & skf21("7","2","3","3","1","7","5","1") = "6"
    & skf21("7","2","3","3","1","7","6","1") = "6"
    & skf21("7","2","3","3","1","7","7","1") = "6"
    & skf21("7","2","3","3","2","1","1","1") = "6"
    & skf21("7","2","3","3","2","1","2","1") = "6"
    & skf21("7","2","3","3","2","1","3","1") = "6"
    & skf21("7","2","3","3","2","1","4","1") = "6"
    & skf21("7","2","3","3","2","1","5","1") = "6"
    & skf21("7","2","3","3","2","1","6","1") = "6"
    & skf21("7","2","3","3","2","1","7","1") = "6"
    & skf21("7","2","3","3","2","2","1","1") = "6"
    & skf21("7","2","3","3","2","2","2","1") = "6"
    & skf21("7","2","3","3","2","2","3","1") = "6"
    & skf21("7","2","3","3","2","2","4","1") = "6"
    & skf21("7","2","3","3","2","2","5","1") = "6"
    & skf21("7","2","3","3","2","2","6","1") = "6"
    & skf21("7","2","3","3","2","2","7","1") = "6"
    & skf21("7","2","3","3","2","3","1","1") = "6"
    & skf21("7","2","3","3","2","3","2","1") = "6"
    & skf21("7","2","3","3","2","3","3","1") = "6"
    & skf21("7","2","3","3","2","3","4","1") = "6"
    & skf21("7","2","3","3","2","3","5","1") = "6"
    & skf21("7","2","3","3","2","3","6","1") = "6"
    & skf21("7","2","3","3","2","3","7","1") = "6"
    & skf21("7","2","3","3","2","4","1","1") = "6"
    & skf21("7","2","3","3","2","4","2","1") = "6"
    & skf21("7","2","3","3","2","4","3","1") = "6"
    & skf21("7","2","3","3","2","4","4","1") = "6"
    & skf21("7","2","3","3","2","4","5","1") = "6"
    & skf21("7","2","3","3","2","4","6","1") = "6"
    & skf21("7","2","3","3","2","4","7","1") = "6"
    & skf21("7","2","3","3","2","5","1","1") = "6"
    & skf21("7","2","3","3","2","5","2","1") = "6"
    & skf21("7","2","3","3","2","5","3","1") = "6"
    & skf21("7","2","3","3","2","5","4","1") = "6"
    & skf21("7","2","3","3","2","5","5","1") = "6"
    & skf21("7","2","3","3","2","5","6","1") = "6"
    & skf21("7","2","3","3","2","5","7","1") = "6"
    & skf21("7","2","3","3","2","6","1","1") = "6"
    & skf21("7","2","3","3","2","6","2","1") = "6"
    & skf21("7","2","3","3","2","6","3","1") = "6"
    & skf21("7","2","3","3","2","6","4","1") = "6"
    & skf21("7","2","3","3","2","6","5","1") = "6"
    & skf21("7","2","3","3","2","6","6","1") = "6"
    & skf21("7","2","3","3","2","6","7","1") = "6"
    & skf21("7","2","3","3","2","7","1","1") = "6"
    & skf21("7","2","3","3","2","7","2","1") = "6"
    & skf21("7","2","3","3","2","7","3","1") = "6"
    & skf21("7","2","3","3","2","7","4","1") = "6"
    & skf21("7","2","3","3","2","7","5","1") = "6"
    & skf21("7","2","3","3","2","7","6","1") = "6"
    & skf21("7","2","3","3","2","7","7","1") = "6"
    & skf21("7","2","3","3","3","1","1","1") = "6"
    & skf21("7","2","3","3","3","1","2","1") = "6"
    & skf21("7","2","3","3","3","1","3","1") = "6"
    & skf21("7","2","3","3","3","1","4","1") = "6"
    & skf21("7","2","3","3","3","1","5","1") = "6"
    & skf21("7","2","3","3","3","1","6","1") = "6"
    & skf21("7","2","3","3","3","1","7","1") = "6"
    & skf21("7","2","3","3","3","2","1","1") = "6"
    & skf21("7","2","3","3","3","2","2","1") = "6"
    & skf21("7","2","3","3","3","2","3","1") = "6"
    & skf21("7","2","3","3","3","2","4","1") = "6"
    & skf21("7","2","3","3","3","2","5","1") = "6"
    & skf21("7","2","3","3","3","2","6","1") = "6"
    & skf21("7","2","3","3","3","2","7","1") = "6"
    & skf21("7","2","3","3","3","3","1","1") = "6"
    & skf21("7","2","3","3","3","3","2","1") = "6"
    & skf21("7","2","3","3","3","3","3","1") = "6"
    & skf21("7","2","3","3","3","3","4","1") = "6"
    & skf21("7","2","3","3","3","3","5","1") = "6"
    & skf21("7","2","3","3","3","3","6","1") = "6"
    & skf21("7","2","3","3","3","3","7","1") = "6"
    & skf21("7","2","3","3","3","4","1","1") = "6"
    & skf21("7","2","3","3","3","4","2","1") = "6"
    & skf21("7","2","3","3","3","4","3","1") = "6"
    & skf21("7","2","3","3","3","4","4","1") = "6"
    & skf21("7","2","3","3","3","4","5","1") = "6"
    & skf21("7","2","3","3","3","4","6","1") = "6"
    & skf21("7","2","3","3","3","4","7","1") = "6"
    & skf21("7","2","3","3","3","5","1","1") = "6"
    & skf21("7","2","3","3","3","5","2","1") = "6"
    & skf21("7","2","3","3","3","5","3","1") = "6"
    & skf21("7","2","3","3","3","5","4","1") = "6"
    & skf21("7","2","3","3","3","5","5","1") = "6"
    & skf21("7","2","3","3","3","5","6","1") = "6"
    & skf21("7","2","3","3","3","5","7","1") = "6"
    & skf21("7","2","3","3","3","6","1","1") = "6"
    & skf21("7","2","3","3","3","6","2","1") = "6"
    & skf21("7","2","3","3","3","6","3","1") = "6"
    & skf21("7","2","3","3","3","6","4","1") = "6"
    & skf21("7","2","3","3","3","6","5","1") = "6"
    & skf21("7","2","3","3","3","6","6","1") = "6"
    & skf21("7","2","3","3","3","6","7","1") = "6"
    & skf21("7","2","3","3","3","7","1","1") = "6"
    & skf21("7","2","3","3","3","7","2","1") = "6"
    & skf21("7","2","3","3","3","7","3","1") = "6"
    & skf21("7","2","3","3","3","7","4","1") = "6"
    & skf21("7","2","3","3","3","7","5","1") = "6"
    & skf21("7","2","3","3","3","7","6","1") = "6"
    & skf21("7","2","3","3","3","7","7","1") = "6"
    & skf21("7","2","3","3","4","1","1","1") = "6"
    & skf21("7","2","3","3","4","1","2","1") = "6"
    & skf21("7","2","3","3","4","1","3","1") = "6"
    & skf21("7","2","3","3","4","1","4","1") = "6"
    & skf21("7","2","3","3","4","1","5","1") = "6"
    & skf21("7","2","3","3","4","1","6","1") = "6"
    & skf21("7","2","3","3","4","1","7","1") = "6"
    & skf21("7","2","3","3","4","2","1","1") = "6"
    & skf21("7","2","3","3","4","2","2","1") = "6"
    & skf21("7","2","3","3","4","2","3","1") = "6"
    & skf21("7","2","3","3","4","2","4","1") = "6"
    & skf21("7","2","3","3","4","2","5","1") = "6"
    & skf21("7","2","3","3","4","2","6","1") = "6"
    & skf21("7","2","3","3","4","2","7","1") = "6"
    & skf21("7","2","3","3","4","3","1","1") = "6"
    & skf21("7","2","3","3","4","3","2","1") = "6"
    & skf21("7","2","3","3","4","3","3","1") = "6"
    & skf21("7","2","3","3","4","3","4","1") = "6"
    & skf21("7","2","3","3","4","3","5","1") = "6"
    & skf21("7","2","3","3","4","3","6","1") = "6"
    & skf21("7","2","3","3","4","3","7","1") = "6"
    & skf21("7","2","3","3","4","4","1","1") = "6"
    & skf21("7","2","3","3","4","4","2","1") = "6"
    & skf21("7","2","3","3","4","4","3","1") = "6"
    & skf21("7","2","3","3","4","4","4","1") = "6"
    & skf21("7","2","3","3","4","4","5","1") = "6"
    & skf21("7","2","3","3","4","4","6","1") = "6"
    & skf21("7","2","3","3","4","4","7","1") = "6"
    & skf21("7","2","3","3","4","5","1","1") = "6"
    & skf21("7","2","3","3","4","5","2","1") = "6"
    & skf21("7","2","3","3","4","5","3","1") = "6"
    & skf21("7","2","3","3","4","5","4","1") = "6"
    & skf21("7","2","3","3","4","5","5","1") = "6"
    & skf21("7","2","3","3","4","5","6","1") = "6"
    & skf21("7","2","3","3","4","5","7","1") = "6"
    & skf21("7","2","3","3","4","6","1","1") = "6"
    & skf21("7","2","3","3","4","6","2","1") = "6"
    & skf21("7","2","3","3","4","6","3","1") = "6"
    & skf21("7","2","3","3","4","6","4","1") = "6"
    & skf21("7","2","3","3","4","6","5","1") = "6"
    & skf21("7","2","3","3","4","6","6","1") = "6"
    & skf21("7","2","3","3","4","6","7","1") = "6"
    & skf21("7","2","3","3","4","7","1","1") = "6"
    & skf21("7","2","3","3","4","7","2","1") = "6"
    & skf21("7","2","3","3","4","7","3","1") = "6"
    & skf21("7","2","3","3","4","7","4","1") = "6"
    & skf21("7","2","3","3","4","7","5","1") = "6"
    & skf21("7","2","3","3","4","7","6","1") = "6"
    & skf21("7","2","3","3","4","7","7","1") = "6"
    & skf21("7","2","3","3","5","1","1","1") = "6"
    & skf21("7","2","3","3","5","1","2","1") = "6"
    & skf21("7","2","3","3","5","1","3","1") = "6"
    & skf21("7","2","3","3","5","1","4","1") = "6"
    & skf21("7","2","3","3","5","1","5","1") = "6"
    & skf21("7","2","3","3","5","1","6","1") = "6"
    & skf21("7","2","3","3","5","1","7","1") = "6"
    & skf21("7","2","3","3","5","2","1","1") = "6"
    & skf21("7","2","3","3","5","2","2","1") = "6"
    & skf21("7","2","3","3","5","2","3","1") = "6"
    & skf21("7","2","3","3","5","2","4","1") = "6"
    & skf21("7","2","3","3","5","2","5","1") = "6"
    & skf21("7","2","3","3","5","2","6","1") = "6"
    & skf21("7","2","3","3","5","2","7","1") = "6"
    & skf21("7","2","3","3","5","3","1","1") = "6"
    & skf21("7","2","3","3","5","3","2","1") = "6"
    & skf21("7","2","3","3","5","3","3","1") = "6"
    & skf21("7","2","3","3","5","3","4","1") = "6"
    & skf21("7","2","3","3","5","3","5","1") = "6"
    & skf21("7","2","3","3","5","3","6","1") = "6"
    & skf21("7","2","3","3","5","3","7","1") = "6"
    & skf21("7","2","3","3","5","4","1","1") = "6"
    & skf21("7","2","3","3","5","4","2","1") = "6"
    & skf21("7","2","3","3","5","4","3","1") = "6"
    & skf21("7","2","3","3","5","4","4","1") = "6"
    & skf21("7","2","3","3","5","4","5","1") = "6"
    & skf21("7","2","3","3","5","4","6","1") = "6"
    & skf21("7","2","3","3","5","4","7","1") = "6"
    & skf21("7","2","3","3","5","5","1","1") = "6"
    & skf21("7","2","3","3","5","5","2","1") = "6"
    & skf21("7","2","3","3","5","5","3","1") = "6"
    & skf21("7","2","3","3","5","5","4","1") = "6"
    & skf21("7","2","3","3","5","5","5","1") = "6"
    & skf21("7","2","3","3","5","5","6","1") = "6"
    & skf21("7","2","3","3","5","5","7","1") = "6"
    & skf21("7","2","3","3","5","6","1","1") = "6"
    & skf21("7","2","3","3","5","6","2","1") = "6"
    & skf21("7","2","3","3","5","6","3","1") = "6"
    & skf21("7","2","3","3","5","6","4","1") = "6"
    & skf21("7","2","3","3","5","6","5","1") = "6"
    & skf21("7","2","3","3","5","6","6","1") = "6"
    & skf21("7","2","3","3","5","6","7","1") = "6"
    & skf21("7","2","3","3","5","7","1","1") = "6"
    & skf21("7","2","3","3","5","7","2","1") = "6"
    & skf21("7","2","3","3","5","7","3","1") = "6"
    & skf21("7","2","3","3","5","7","4","1") = "6"
    & skf21("7","2","3","3","5","7","5","1") = "6"
    & skf21("7","2","3","3","5","7","6","1") = "6"
    & skf21("7","2","3","3","5","7","7","1") = "6"
    & skf21("7","2","3","3","6","1","1","1") = "6"
    & skf21("7","2","3","3","6","1","2","1") = "6"
    & skf21("7","2","3","3","6","1","3","1") = "6"
    & skf21("7","2","3","3","6","1","4","1") = "6"
    & skf21("7","2","3","3","6","1","5","1") = "6"
    & skf21("7","2","3","3","6","1","6","1") = "6"
    & skf21("7","2","3","3","6","1","7","1") = "6"
    & skf21("7","2","3","3","6","2","1","1") = "6"
    & skf21("7","2","3","3","6","2","2","1") = "6"
    & skf21("7","2","3","3","6","2","3","1") = "6"
    & skf21("7","2","3","3","6","2","4","1") = "6"
    & skf21("7","2","3","3","6","2","5","1") = "6"
    & skf21("7","2","3","3","6","2","6","1") = "6"
    & skf21("7","2","3","3","6","2","7","1") = "6"
    & skf21("7","2","3","3","6","3","1","1") = "6"
    & skf21("7","2","3","3","6","3","2","1") = "6"
    & skf21("7","2","3","3","6","3","3","1") = "6"
    & skf21("7","2","3","3","6","3","4","1") = "6"
    & skf21("7","2","3","3","6","3","5","1") = "6"
    & skf21("7","2","3","3","6","3","6","1") = "6"
    & skf21("7","2","3","3","6","3","7","1") = "6"
    & skf21("7","2","3","3","6","4","1","1") = "6"
    & skf21("7","2","3","3","6","4","2","1") = "6"
    & skf21("7","2","3","3","6","4","3","1") = "6"
    & skf21("7","2","3","3","6","4","4","1") = "6"
    & skf21("7","2","3","3","6","4","5","1") = "6"
    & skf21("7","2","3","3","6","4","6","1") = "6"
    & skf21("7","2","3","3","6","4","7","1") = "6"
    & skf21("7","2","3","3","6","5","1","1") = "6"
    & skf21("7","2","3","3","6","5","2","1") = "6"
    & skf21("7","2","3","3","6","5","3","1") = "6"
    & skf21("7","2","3","3","6","5","4","1") = "6"
    & skf21("7","2","3","3","6","5","5","1") = "6"
    & skf21("7","2","3","3","6","5","6","1") = "6"
    & skf21("7","2","3","3","6","5","7","1") = "6"
    & skf21("7","2","3","3","6","6","1","1") = "6"
    & skf21("7","2","3","3","6","6","2","1") = "6"
    & skf21("7","2","3","3","6","6","3","1") = "6"
    & skf21("7","2","3","3","6","6","4","1") = "6"
    & skf21("7","2","3","3","6","6","5","1") = "6"
    & skf21("7","2","3","3","6","6","6","1") = "6"
    & skf21("7","2","3","3","6","6","7","1") = "6"
    & skf21("7","2","3","3","6","7","1","1") = "6"
    & skf21("7","2","3","3","6","7","2","1") = "6"
    & skf21("7","2","3","3","6","7","3","1") = "6"
    & skf21("7","2","3","3","6","7","4","1") = "6"
    & skf21("7","2","3","3","6","7","5","1") = "6"
    & skf21("7","2","3","3","6","7","6","1") = "6"
    & skf21("7","2","3","3","6","7","7","1") = "6"
    & skf21("7","2","3","3","7","1","1","1") = "6"
    & skf21("7","2","3","3","7","1","2","1") = "6"
    & skf21("7","2","3","3","7","1","3","1") = "6"
    & skf21("7","2","3","3","7","1","4","1") = "6"
    & skf21("7","2","3","3","7","1","5","1") = "6"
    & skf21("7","2","3","3","7","1","6","1") = "6"
    & skf21("7","2","3","3","7","1","7","1") = "6"
    & skf21("7","2","3","3","7","2","1","1") = "6"
    & skf21("7","2","3","3","7","2","2","1") = "6"
    & skf21("7","2","3","3","7","2","3","1") = "6"
    & skf21("7","2","3","3","7","2","4","1") = "6"
    & skf21("7","2","3","3","7","2","5","1") = "6"
    & skf21("7","2","3","3","7","2","6","1") = "6"
    & skf21("7","2","3","3","7","2","7","1") = "6"
    & skf21("7","2","3","3","7","3","1","1") = "6"
    & skf21("7","2","3","3","7","3","2","1") = "6"
    & skf21("7","2","3","3","7","3","3","1") = "6"
    & skf21("7","2","3","3","7","3","4","1") = "6"
    & skf21("7","2","3","3","7","3","5","1") = "6"
    & skf21("7","2","3","3","7","3","6","1") = "6"
    & skf21("7","2","3","3","7","3","7","1") = "6"
    & skf21("7","2","3","3","7","4","1","1") = "6"
    & skf21("7","2","3","3","7","4","2","1") = "6"
    & skf21("7","2","3","3","7","4","3","1") = "6"
    & skf21("7","2","3","3","7","4","4","1") = "6"
    & skf21("7","2","3","3","7","4","5","1") = "6"
    & skf21("7","2","3","3","7","4","6","1") = "6"
    & skf21("7","2","3","3","7","4","7","1") = "6"
    & skf21("7","2","3","3","7","5","1","1") = "6"
    & skf21("7","2","3","3","7","5","2","1") = "6"
    & skf21("7","2","3","3","7","5","3","1") = "6"
    & skf21("7","2","3","3","7","5","4","1") = "6"
    & skf21("7","2","3","3","7","5","5","1") = "6"
    & skf21("7","2","3","3","7","5","6","1") = "6"
    & skf21("7","2","3","3","7","5","7","1") = "6"
    & skf21("7","2","3","3","7","6","1","1") = "6"
    & skf21("7","2","3","3","7","6","2","1") = "6"
    & skf21("7","2","3","3","7","6","3","1") = "6"
    & skf21("7","2","3","3","7","6","4","1") = "6"
    & skf21("7","2","3","3","7","6","5","1") = "6"
    & skf21("7","2","3","3","7","6","6","1") = "6"
    & skf21("7","2","3","3","7","6","7","1") = "6"
    & skf21("7","2","3","3","7","7","1","1") = "6"
    & skf21("7","2","3","3","7","7","2","1") = "6"
    & skf21("7","2","3","3","7","7","3","1") = "6"
    & skf21("7","2","3","3","7","7","4","1") = "6"
    & skf21("7","2","3","3","7","7","5","1") = "6"
    & skf21("7","2","3","3","7","7","6","1") = "6"
    & skf21("7","2","3","3","7","7","7","1") = "6"
    & skf21("7","2","3","4","1","1","1","1") = "6"
    & skf21("7","2","3","4","1","1","2","1") = "6"
    & skf21("7","2","3","4","1","1","3","1") = "6"
    & skf21("7","2","3","4","1","1","4","1") = "6"
    & skf21("7","2","3","4","1","1","5","1") = "6"
    & skf21("7","2","3","4","1","1","6","1") = "6"
    & skf21("7","2","3","4","1","1","7","1") = "6"
    & skf21("7","2","3","4","1","2","1","1") = "6"
    & skf21("7","2","3","4","1","2","2","1") = "6"
    & skf21("7","2","3","4","1","2","3","1") = "6"
    & skf21("7","2","3","4","1","2","4","1") = "6"
    & skf21("7","2","3","4","1","2","5","1") = "6"
    & skf21("7","2","3","4","1","2","6","1") = "6"
    & skf21("7","2","3","4","1","2","7","1") = "6"
    & skf21("7","2","3","4","1","3","1","1") = "6"
    & skf21("7","2","3","4","1","3","2","1") = "6"
    & skf21("7","2","3","4","1","3","3","1") = "6"
    & skf21("7","2","3","4","1","3","4","1") = "6"
    & skf21("7","2","3","4","1","3","5","1") = "6"
    & skf21("7","2","3","4","1","3","6","1") = "6"
    & skf21("7","2","3","4","1","3","7","1") = "6"
    & skf21("7","2","3","4","1","4","1","1") = "6"
    & skf21("7","2","3","4","1","4","2","1") = "6"
    & skf21("7","2","3","4","1","4","3","1") = "6"
    & skf21("7","2","3","4","1","4","4","1") = "6"
    & skf21("7","2","3","4","1","4","5","1") = "6"
    & skf21("7","2","3","4","1","4","6","1") = "6"
    & skf21("7","2","3","4","1","4","7","1") = "6"
    & skf21("7","2","3","4","1","5","1","1") = "6"
    & skf21("7","2","3","4","1","5","2","1") = "6"
    & skf21("7","2","3","4","1","5","3","1") = "6"
    & skf21("7","2","3","4","1","5","4","1") = "6"
    & skf21("7","2","3","4","1","5","5","1") = "6"
    & skf21("7","2","3","4","1","5","6","1") = "6"
    & skf21("7","2","3","4","1","5","7","1") = "6"
    & skf21("7","2","3","4","1","6","1","1") = "6"
    & skf21("7","2","3","4","1","6","2","1") = "6"
    & skf21("7","2","3","4","1","6","3","1") = "6"
    & skf21("7","2","3","4","1","6","4","1") = "6"
    & skf21("7","2","3","4","1","6","5","1") = "6"
    & skf21("7","2","3","4","1","6","6","1") = "6"
    & skf21("7","2","3","4","1","6","7","1") = "6"
    & skf21("7","2","3","4","1","7","1","1") = "6"
    & skf21("7","2","3","4","1","7","2","1") = "6"
    & skf21("7","2","3","4","1","7","3","1") = "6"
    & skf21("7","2","3","4","1","7","4","1") = "6"
    & skf21("7","2","3","4","1","7","5","1") = "6"
    & skf21("7","2","3","4","1","7","6","1") = "6"
    & skf21("7","2","3","4","1","7","7","1") = "6"
    & skf21("7","2","3","4","2","1","1","1") = "6"
    & skf21("7","2","3","4","2","1","2","1") = "6"
    & skf21("7","2","3","4","2","1","3","1") = "6"
    & skf21("7","2","3","4","2","1","4","1") = "6"
    & skf21("7","2","3","4","2","1","5","1") = "6"
    & skf21("7","2","3","4","2","1","6","1") = "6"
    & skf21("7","2","3","4","2","1","7","1") = "6"
    & skf21("7","2","3","4","2","2","1","1") = "6"
    & skf21("7","2","3","4","2","2","2","1") = "6"
    & skf21("7","2","3","4","2","2","3","1") = "6"
    & skf21("7","2","3","4","2","2","4","1") = "6"
    & skf21("7","2","3","4","2","2","5","1") = "6"
    & skf21("7","2","3","4","2","2","6","1") = "6"
    & skf21("7","2","3","4","2","2","7","1") = "6"
    & skf21("7","2","3","4","2","3","1","1") = "6"
    & skf21("7","2","3","4","2","3","2","1") = "6"
    & skf21("7","2","3","4","2","3","3","1") = "6"
    & skf21("7","2","3","4","2","3","4","1") = "6"
    & skf21("7","2","3","4","2","3","5","1") = "6"
    & skf21("7","2","3","4","2","3","6","1") = "6"
    & skf21("7","2","3","4","2","3","7","1") = "6"
    & skf21("7","2","3","4","2","4","1","1") = "6"
    & skf21("7","2","3","4","2","4","2","1") = "6"
    & skf21("7","2","3","4","2","4","3","1") = "6"
    & skf21("7","2","3","4","2","4","4","1") = "6"
    & skf21("7","2","3","4","2","4","5","1") = "6"
    & skf21("7","2","3","4","2","4","6","1") = "6"
    & skf21("7","2","3","4","2","4","7","1") = "6"
    & skf21("7","2","3","4","2","5","1","1") = "6"
    & skf21("7","2","3","4","2","5","2","1") = "6"
    & skf21("7","2","3","4","2","5","3","1") = "6"
    & skf21("7","2","3","4","2","5","4","1") = "6"
    & skf21("7","2","3","4","2","5","5","1") = "6"
    & skf21("7","2","3","4","2","5","6","1") = "6"
    & skf21("7","2","3","4","2","5","7","1") = "6"
    & skf21("7","2","3","4","2","6","1","1") = "6"
    & skf21("7","2","3","4","2","6","2","1") = "6"
    & skf21("7","2","3","4","2","6","3","1") = "6"
    & skf21("7","2","3","4","2","6","4","1") = "6"
    & skf21("7","2","3","4","2","6","5","1") = "6"
    & skf21("7","2","3","4","2","6","6","1") = "6"
    & skf21("7","2","3","4","2","6","7","1") = "6"
    & skf21("7","2","3","4","2","7","1","1") = "6"
    & skf21("7","2","3","4","2","7","2","1") = "6"
    & skf21("7","2","3","4","2","7","3","1") = "6"
    & skf21("7","2","3","4","2","7","4","1") = "6"
    & skf21("7","2","3","4","2","7","5","1") = "6"
    & skf21("7","2","3","4","2","7","6","1") = "6"
    & skf21("7","2","3","4","2","7","7","1") = "6"
    & skf21("7","2","3","4","3","1","1","1") = "6"
    & skf21("7","2","3","4","3","1","2","1") = "6"
    & skf21("7","2","3","4","3","1","3","1") = "6"
    & skf21("7","2","3","4","3","1","4","1") = "6"
    & skf21("7","2","3","4","3","1","5","1") = "6"
    & skf21("7","2","3","4","3","1","6","1") = "6"
    & skf21("7","2","3","4","3","1","7","1") = "6"
    & skf21("7","2","3","4","3","2","1","1") = "6"
    & skf21("7","2","3","4","3","2","2","1") = "6"
    & skf21("7","2","3","4","3","2","3","1") = "6"
    & skf21("7","2","3","4","3","2","4","1") = "6"
    & skf21("7","2","3","4","3","2","5","1") = "6"
    & skf21("7","2","3","4","3","2","6","1") = "6"
    & skf21("7","2","3","4","3","2","7","1") = "6"
    & skf21("7","2","3","4","3","3","1","1") = "6"
    & skf21("7","2","3","4","3","3","2","1") = "6"
    & skf21("7","2","3","4","3","3","3","1") = "6"
    & skf21("7","2","3","4","3","3","4","1") = "6"
    & skf21("7","2","3","4","3","3","5","1") = "6"
    & skf21("7","2","3","4","3","3","6","1") = "6"
    & skf21("7","2","3","4","3","3","7","1") = "6"
    & skf21("7","2","3","4","3","4","1","1") = "6"
    & skf21("7","2","3","4","3","4","2","1") = "6"
    & skf21("7","2","3","4","3","4","3","1") = "6"
    & skf21("7","2","3","4","3","4","4","1") = "6"
    & skf21("7","2","3","4","3","4","5","1") = "6"
    & skf21("7","2","3","4","3","4","6","1") = "6"
    & skf21("7","2","3","4","3","4","7","1") = "6"
    & skf21("7","2","3","4","3","5","1","1") = "6"
    & skf21("7","2","3","4","3","5","2","1") = "6"
    & skf21("7","2","3","4","3","5","3","1") = "6"
    & skf21("7","2","3","4","3","5","4","1") = "6"
    & skf21("7","2","3","4","3","5","5","1") = "6"
    & skf21("7","2","3","4","3","5","6","1") = "6"
    & skf21("7","2","3","4","3","5","7","1") = "6"
    & skf21("7","2","3","4","3","6","1","1") = "6"
    & skf21("7","2","3","4","3","6","2","1") = "6"
    & skf21("7","2","3","4","3","6","3","1") = "6"
    & skf21("7","2","3","4","3","6","4","1") = "6"
    & skf21("7","2","3","4","3","6","5","1") = "6"
    & skf21("7","2","3","4","3","6","6","1") = "6"
    & skf21("7","2","3","4","3","6","7","1") = "6"
    & skf21("7","2","3","4","3","7","1","1") = "6"
    & skf21("7","2","3","4","3","7","2","1") = "6"
    & skf21("7","2","3","4","3","7","3","1") = "6"
    & skf21("7","2","3","4","3","7","4","1") = "6"
    & skf21("7","2","3","4","3","7","5","1") = "6"
    & skf21("7","2","3","4","3","7","6","1") = "6"
    & skf21("7","2","3","4","3","7","7","1") = "6"
    & skf21("7","2","3","4","4","1","1","1") = "6"
    & skf21("7","2","3","4","4","1","2","1") = "6"
    & skf21("7","2","3","4","4","1","3","1") = "6"
    & skf21("7","2","3","4","4","1","4","1") = "6"
    & skf21("7","2","3","4","4","1","5","1") = "6"
    & skf21("7","2","3","4","4","1","6","1") = "6"
    & skf21("7","2","3","4","4","1","7","1") = "6"
    & skf21("7","2","3","4","4","2","1","1") = "6"
    & skf21("7","2","3","4","4","2","2","1") = "6"
    & skf21("7","2","3","4","4","2","3","1") = "6"
    & skf21("7","2","3","4","4","2","4","1") = "6"
    & skf21("7","2","3","4","4","2","5","1") = "6"
    & skf21("7","2","3","4","4","2","6","1") = "6"
    & skf21("7","2","3","4","4","2","7","1") = "6"
    & skf21("7","2","3","4","4","3","1","1") = "6"
    & skf21("7","2","3","4","4","3","2","1") = "6"
    & skf21("7","2","3","4","4","3","3","1") = "6"
    & skf21("7","2","3","4","4","3","4","1") = "6"
    & skf21("7","2","3","4","4","3","5","1") = "6"
    & skf21("7","2","3","4","4","3","6","1") = "6"
    & skf21("7","2","3","4","4","3","7","1") = "6"
    & skf21("7","2","3","4","4","4","1","1") = "6"
    & skf21("7","2","3","4","4","4","2","1") = "6"
    & skf21("7","2","3","4","4","4","3","1") = "6"
    & skf21("7","2","3","4","4","4","4","1") = "6"
    & skf21("7","2","3","4","4","4","5","1") = "6"
    & skf21("7","2","3","4","4","4","6","1") = "6"
    & skf21("7","2","3","4","4","4","7","1") = "6"
    & skf21("7","2","3","4","4","5","1","1") = "6"
    & skf21("7","2","3","4","4","5","2","1") = "6"
    & skf21("7","2","3","4","4","5","3","1") = "6"
    & skf21("7","2","3","4","4","5","4","1") = "6"
    & skf21("7","2","3","4","4","5","5","1") = "6"
    & skf21("7","2","3","4","4","5","6","1") = "6"
    & skf21("7","2","3","4","4","5","7","1") = "6"
    & skf21("7","2","3","4","4","6","1","1") = "6"
    & skf21("7","2","3","4","4","6","2","1") = "6"
    & skf21("7","2","3","4","4","6","3","1") = "6"
    & skf21("7","2","3","4","4","6","4","1") = "6"
    & skf21("7","2","3","4","4","6","5","1") = "6"
    & skf21("7","2","3","4","4","6","6","1") = "6"
    & skf21("7","2","3","4","4","6","7","1") = "6"
    & skf21("7","2","3","4","4","7","1","1") = "6"
    & skf21("7","2","3","4","4","7","2","1") = "6"
    & skf21("7","2","3","4","4","7","3","1") = "6"
    & skf21("7","2","3","4","4","7","4","1") = "6"
    & skf21("7","2","3","4","4","7","5","1") = "6"
    & skf21("7","2","3","4","4","7","6","1") = "6"
    & skf21("7","2","3","4","4","7","7","1") = "6"
    & skf21("7","2","3","4","5","1","1","1") = "6"
    & skf21("7","2","3","4","5","1","2","1") = "6"
    & skf21("7","2","3","4","5","1","3","1") = "6"
    & skf21("7","2","3","4","5","1","4","1") = "6"
    & skf21("7","2","3","4","5","1","5","1") = "6"
    & skf21("7","2","3","4","5","1","6","1") = "6"
    & skf21("7","2","3","4","5","1","7","1") = "6"
    & skf21("7","2","3","4","5","2","1","1") = "6"
    & skf21("7","2","3","4","5","2","2","1") = "6"
    & skf21("7","2","3","4","5","2","3","1") = "6"
    & skf21("7","2","3","4","5","2","4","1") = "6"
    & skf21("7","2","3","4","5","2","5","1") = "6"
    & skf21("7","2","3","4","5","2","6","1") = "6"
    & skf21("7","2","3","4","5","2","7","1") = "6"
    & skf21("7","2","3","4","5","3","1","1") = "6"
    & skf21("7","2","3","4","5","3","2","1") = "6"
    & skf21("7","2","3","4","5","3","3","1") = "6"
    & skf21("7","2","3","4","5","3","4","1") = "6"
    & skf21("7","2","3","4","5","3","5","1") = "6"
    & skf21("7","2","3","4","5","3","6","1") = "6"
    & skf21("7","2","3","4","5","3","7","1") = "6"
    & skf21("7","2","3","4","5","4","1","1") = "6"
    & skf21("7","2","3","4","5","4","2","1") = "6"
    & skf21("7","2","3","4","5","4","3","1") = "6"
    & skf21("7","2","3","4","5","4","4","1") = "6"
    & skf21("7","2","3","4","5","4","5","1") = "6"
    & skf21("7","2","3","4","5","4","6","1") = "6"
    & skf21("7","2","3","4","5","4","7","1") = "6"
    & skf21("7","2","3","4","5","5","1","1") = "6"
    & skf21("7","2","3","4","5","5","2","1") = "6"
    & skf21("7","2","3","4","5","5","3","1") = "6"
    & skf21("7","2","3","4","5","5","4","1") = "6"
    & skf21("7","2","3","4","5","5","5","1") = "6"
    & skf21("7","2","3","4","5","5","6","1") = "6"
    & skf21("7","2","3","4","5","5","7","1") = "6"
    & skf21("7","2","3","4","5","6","1","1") = "6"
    & skf21("7","2","3","4","5","6","2","1") = "6"
    & skf21("7","2","3","4","5","6","3","1") = "6"
    & skf21("7","2","3","4","5","6","4","1") = "6"
    & skf21("7","2","3","4","5","6","5","1") = "6"
    & skf21("7","2","3","4","5","6","6","1") = "6"
    & skf21("7","2","3","4","5","6","7","1") = "6"
    & skf21("7","2","3","4","5","7","1","1") = "6"
    & skf21("7","2","3","4","5","7","2","1") = "6"
    & skf21("7","2","3","4","5","7","3","1") = "6"
    & skf21("7","2","3","4","5","7","4","1") = "6"
    & skf21("7","2","3","4","5","7","5","1") = "6"
    & skf21("7","2","3","4","5","7","6","1") = "6"
    & skf21("7","2","3","4","5","7","7","1") = "6"
    & skf21("7","2","3","4","6","1","1","1") = "6"
    & skf21("7","2","3","4","6","1","2","1") = "6"
    & skf21("7","2","3","4","6","1","3","1") = "6"
    & skf21("7","2","3","4","6","1","4","1") = "6"
    & skf21("7","2","3","4","6","1","5","1") = "6"
    & skf21("7","2","3","4","6","1","6","1") = "6"
    & skf21("7","2","3","4","6","1","7","1") = "6"
    & skf21("7","2","3","4","6","2","1","1") = "6"
    & skf21("7","2","3","4","6","2","2","1") = "6"
    & skf21("7","2","3","4","6","2","3","1") = "6"
    & skf21("7","2","3","4","6","2","4","1") = "6"
    & skf21("7","2","3","4","6","2","5","1") = "6"
    & skf21("7","2","3","4","6","2","6","1") = "6"
    & skf21("7","2","3","4","6","2","7","1") = "6"
    & skf21("7","2","3","4","6","3","1","1") = "6"
    & skf21("7","2","3","4","6","3","2","1") = "6"
    & skf21("7","2","3","4","6","3","3","1") = "6"
    & skf21("7","2","3","4","6","3","4","1") = "6"
    & skf21("7","2","3","4","6","3","5","1") = "6"
    & skf21("7","2","3","4","6","3","6","1") = "6"
    & skf21("7","2","3","4","6","3","7","1") = "6"
    & skf21("7","2","3","4","6","4","1","1") = "6"
    & skf21("7","2","3","4","6","4","2","1") = "6"
    & skf21("7","2","3","4","6","4","3","1") = "6"
    & skf21("7","2","3","4","6","4","4","1") = "6"
    & skf21("7","2","3","4","6","4","5","1") = "6"
    & skf21("7","2","3","4","6","4","6","1") = "6"
    & skf21("7","2","3","4","6","4","7","1") = "6"
    & skf21("7","2","3","4","6","5","1","1") = "6"
    & skf21("7","2","3","4","6","5","2","1") = "6"
    & skf21("7","2","3","4","6","5","3","1") = "6"
    & skf21("7","2","3","4","6","5","4","1") = "6"
    & skf21("7","2","3","4","6","5","5","1") = "6"
    & skf21("7","2","3","4","6","5","6","1") = "6"
    & skf21("7","2","3","4","6","5","7","1") = "6"
    & skf21("7","2","3","4","6","6","1","1") = "6"
    & skf21("7","2","3","4","6","6","2","1") = "6"
    & skf21("7","2","3","4","6","6","3","1") = "6"
    & skf21("7","2","3","4","6","6","4","1") = "6"
    & skf21("7","2","3","4","6","6","5","1") = "6"
    & skf21("7","2","3","4","6","6","6","1") = "6"
    & skf21("7","2","3","4","6","6","7","1") = "6"
    & skf21("7","2","3","4","6","7","1","1") = "6"
    & skf21("7","2","3","4","6","7","2","1") = "6"
    & skf21("7","2","3","4","6","7","3","1") = "6"
    & skf21("7","2","3","4","6","7","4","1") = "6"
    & skf21("7","2","3","4","6","7","5","1") = "6"
    & skf21("7","2","3","4","6","7","6","1") = "6"
    & skf21("7","2","3","4","6","7","7","1") = "6"
    & skf21("7","2","3","4","7","1","1","1") = "6"
    & skf21("7","2","3","4","7","1","2","1") = "6"
    & skf21("7","2","3","4","7","1","3","1") = "6"
    & skf21("7","2","3","4","7","1","4","1") = "6"
    & skf21("7","2","3","4","7","1","5","1") = "6"
    & skf21("7","2","3","4","7","1","6","1") = "6"
    & skf21("7","2","3","4","7","1","7","1") = "6"
    & skf21("7","2","3","4","7","2","1","1") = "6"
    & skf21("7","2","3","4","7","2","2","1") = "6"
    & skf21("7","2","3","4","7","2","3","1") = "6"
    & skf21("7","2","3","4","7","2","4","1") = "6"
    & skf21("7","2","3","4","7","2","5","1") = "6"
    & skf21("7","2","3","4","7","2","6","1") = "6"
    & skf21("7","2","3","4","7","2","7","1") = "6"
    & skf21("7","2","3","4","7","3","1","1") = "6"
    & skf21("7","2","3","4","7","3","2","1") = "6"
    & skf21("7","2","3","4","7","3","3","1") = "6"
    & skf21("7","2","3","4","7","3","4","1") = "6"
    & skf21("7","2","3","4","7","3","5","1") = "6"
    & skf21("7","2","3","4","7","3","6","1") = "6"
    & skf21("7","2","3","4","7","3","7","1") = "6"
    & skf21("7","2","3","4","7","4","1","1") = "6"
    & skf21("7","2","3","4","7","4","2","1") = "6"
    & skf21("7","2","3","4","7","4","3","1") = "6"
    & skf21("7","2","3","4","7","4","4","1") = "6"
    & skf21("7","2","3","4","7","4","5","1") = "6"
    & skf21("7","2","3","4","7","4","6","1") = "6"
    & skf21("7","2","3","4","7","4","7","1") = "6"
    & skf21("7","2","3","4","7","5","1","1") = "6"
    & skf21("7","2","3","4","7","5","2","1") = "6"
    & skf21("7","2","3","4","7","5","3","1") = "6"
    & skf21("7","2","3","4","7","5","4","1") = "6"
    & skf21("7","2","3","4","7","5","5","1") = "6"
    & skf21("7","2","3","4","7","5","6","1") = "6"
    & skf21("7","2","3","4","7","5","7","1") = "6"
    & skf21("7","2","3","4","7","6","1","1") = "6"
    & skf21("7","2","3","4","7","6","2","1") = "6"
    & skf21("7","2","3","4","7","6","3","1") = "6"
    & skf21("7","2","3","4","7","6","4","1") = "6"
    & skf21("7","2","3","4","7","6","5","1") = "6"
    & skf21("7","2","3","4","7","6","6","1") = "6"
    & skf21("7","2","3","4","7","6","7","1") = "6"
    & skf21("7","2","3","4","7","7","1","1") = "6"
    & skf21("7","2","3","4","7","7","2","1") = "6"
    & skf21("7","2","3","4","7","7","3","1") = "6"
    & skf21("7","2","3","4","7","7","4","1") = "6"
    & skf21("7","2","3","4","7","7","5","1") = "6"
    & skf21("7","2","3","4","7","7","6","1") = "6"
    & skf21("7","2","3","4","7","7","7","1") = "6"
    & skf21("7","2","3","5","1","1","1","1") = "6"
    & skf21("7","2","3","5","1","1","2","1") = "6"
    & skf21("7","2","3","5","1","1","3","1") = "6"
    & skf21("7","2","3","5","1","1","4","1") = "6"
    & skf21("7","2","3","5","1","1","5","1") = "6"
    & skf21("7","2","3","5","1","1","6","1") = "6"
    & skf21("7","2","3","5","1","1","7","1") = "6"
    & skf21("7","2","3","5","1","2","1","1") = "6"
    & skf21("7","2","3","5","1","2","2","1") = "6"
    & skf21("7","2","3","5","1","2","3","1") = "6"
    & skf21("7","2","3","5","1","2","4","1") = "6"
    & skf21("7","2","3","5","1","2","5","1") = "6"
    & skf21("7","2","3","5","1","2","6","1") = "6"
    & skf21("7","2","3","5","1","2","7","1") = "6"
    & skf21("7","2","3","5","1","3","1","1") = "6"
    & skf21("7","2","3","5","1","3","2","1") = "6"
    & skf21("7","2","3","5","1","3","3","1") = "6"
    & skf21("7","2","3","5","1","3","4","1") = "6"
    & skf21("7","2","3","5","1","3","5","1") = "6"
    & skf21("7","2","3","5","1","3","6","1") = "6"
    & skf21("7","2","3","5","1","3","7","1") = "6"
    & skf21("7","2","3","5","1","4","1","1") = "6"
    & skf21("7","2","3","5","1","4","2","1") = "6"
    & skf21("7","2","3","5","1","4","3","1") = "6"
    & skf21("7","2","3","5","1","4","4","1") = "6"
    & skf21("7","2","3","5","1","4","5","1") = "6"
    & skf21("7","2","3","5","1","4","6","1") = "6"
    & skf21("7","2","3","5","1","4","7","1") = "6"
    & skf21("7","2","3","5","1","5","1","1") = "6"
    & skf21("7","2","3","5","1","5","2","1") = "6"
    & skf21("7","2","3","5","1","5","3","1") = "6"
    & skf21("7","2","3","5","1","5","4","1") = "6"
    & skf21("7","2","3","5","1","5","5","1") = "6"
    & skf21("7","2","3","5","1","5","6","1") = "6"
    & skf21("7","2","3","5","1","5","7","1") = "6"
    & skf21("7","2","3","5","1","6","1","1") = "6"
    & skf21("7","2","3","5","1","6","2","1") = "6"
    & skf21("7","2","3","5","1","6","3","1") = "6"
    & skf21("7","2","3","5","1","6","4","1") = "6"
    & skf21("7","2","3","5","1","6","5","1") = "6"
    & skf21("7","2","3","5","1","6","6","1") = "6"
    & skf21("7","2","3","5","1","6","7","1") = "6"
    & skf21("7","2","3","5","1","7","1","1") = "6"
    & skf21("7","2","3","5","1","7","2","1") = "6"
    & skf21("7","2","3","5","1","7","3","1") = "6"
    & skf21("7","2","3","5","1","7","4","1") = "6"
    & skf21("7","2","3","5","1","7","5","1") = "6"
    & skf21("7","2","3","5","1","7","6","1") = "6"
    & skf21("7","2","3","5","1","7","7","1") = "6"
    & skf21("7","2","3","5","2","1","1","1") = "6"
    & skf21("7","2","3","5","2","1","2","1") = "6"
    & skf21("7","2","3","5","2","1","3","1") = "6"
    & skf21("7","2","3","5","2","1","4","1") = "6"
    & skf21("7","2","3","5","2","1","5","1") = "6"
    & skf21("7","2","3","5","2","1","6","1") = "6"
    & skf21("7","2","3","5","2","1","7","1") = "6"
    & skf21("7","2","3","5","2","2","1","1") = "6"
    & skf21("7","2","3","5","2","2","2","1") = "6"
    & skf21("7","2","3","5","2","2","3","1") = "6"
    & skf21("7","2","3","5","2","2","4","1") = "6"
    & skf21("7","2","3","5","2","2","5","1") = "6"
    & skf21("7","2","3","5","2","2","6","1") = "6"
    & skf21("7","2","3","5","2","2","7","1") = "6"
    & skf21("7","2","3","5","2","3","1","1") = "6"
    & skf21("7","2","3","5","2","3","2","1") = "6"
    & skf21("7","2","3","5","2","3","3","1") = "6"
    & skf21("7","2","3","5","2","3","4","1") = "6"
    & skf21("7","2","3","5","2","3","5","1") = "6"
    & skf21("7","2","3","5","2","3","6","1") = "6"
    & skf21("7","2","3","5","2","3","7","1") = "6"
    & skf21("7","2","3","5","2","4","1","1") = "6"
    & skf21("7","2","3","5","2","4","2","1") = "6"
    & skf21("7","2","3","5","2","4","3","1") = "6"
    & skf21("7","2","3","5","2","4","4","1") = "6"
    & skf21("7","2","3","5","2","4","5","1") = "6"
    & skf21("7","2","3","5","2","4","6","1") = "6"
    & skf21("7","2","3","5","2","4","7","1") = "6"
    & skf21("7","2","3","5","2","5","1","1") = "6"
    & skf21("7","2","3","5","2","5","2","1") = "6"
    & skf21("7","2","3","5","2","5","3","1") = "6"
    & skf21("7","2","3","5","2","5","4","1") = "6"
    & skf21("7","2","3","5","2","5","5","1") = "6"
    & skf21("7","2","3","5","2","5","6","1") = "6"
    & skf21("7","2","3","5","2","5","7","1") = "6"
    & skf21("7","2","3","5","2","6","1","1") = "6"
    & skf21("7","2","3","5","2","6","2","1") = "6"
    & skf21("7","2","3","5","2","6","3","1") = "6"
    & skf21("7","2","3","5","2","6","4","1") = "6"
    & skf21("7","2","3","5","2","6","5","1") = "6"
    & skf21("7","2","3","5","2","6","6","1") = "6"
    & skf21("7","2","3","5","2","6","7","1") = "6"
    & skf21("7","2","3","5","2","7","1","1") = "6"
    & skf21("7","2","3","5","2","7","2","1") = "6"
    & skf21("7","2","3","5","2","7","3","1") = "6"
    & skf21("7","2","3","5","2","7","4","1") = "6"
    & skf21("7","2","3","5","2","7","5","1") = "6"
    & skf21("7","2","3","5","2","7","6","1") = "6"
    & skf21("7","2","3","5","2","7","7","1") = "6"
    & skf21("7","2","3","5","3","1","1","1") = "6"
    & skf21("7","2","3","5","3","1","2","1") = "6"
    & skf21("7","2","3","5","3","1","3","1") = "6"
    & skf21("7","2","3","5","3","1","4","1") = "6"
    & skf21("7","2","3","5","3","1","5","1") = "6"
    & skf21("7","2","3","5","3","1","6","1") = "6"
    & skf21("7","2","3","5","3","1","7","1") = "6"
    & skf21("7","2","3","5","3","2","1","1") = "6"
    & skf21("7","2","3","5","3","2","2","1") = "6"
    & skf21("7","2","3","5","3","2","3","1") = "6"
    & skf21("7","2","3","5","3","2","4","1") = "6"
    & skf21("7","2","3","5","3","2","5","1") = "6"
    & skf21("7","2","3","5","3","2","6","1") = "6"
    & skf21("7","2","3","5","3","2","7","1") = "6"
    & skf21("7","2","3","5","3","3","1","1") = "6"
    & skf21("7","2","3","5","3","3","2","1") = "6"
    & skf21("7","2","3","5","3","3","3","1") = "6"
    & skf21("7","2","3","5","3","3","4","1") = "6"
    & skf21("7","2","3","5","3","3","5","1") = "6"
    & skf21("7","2","3","5","3","3","6","1") = "6"
    & skf21("7","2","3","5","3","3","7","1") = "6"
    & skf21("7","2","3","5","3","4","1","1") = "6"
    & skf21("7","2","3","5","3","4","2","1") = "6"
    & skf21("7","2","3","5","3","4","3","1") = "6"
    & skf21("7","2","3","5","3","4","4","1") = "6"
    & skf21("7","2","3","5","3","4","5","1") = "6"
    & skf21("7","2","3","5","3","4","6","1") = "6"
    & skf21("7","2","3","5","3","4","7","1") = "6"
    & skf21("7","2","3","5","3","5","1","1") = "6"
    & skf21("7","2","3","5","3","5","2","1") = "6"
    & skf21("7","2","3","5","3","5","3","1") = "6"
    & skf21("7","2","3","5","3","5","4","1") = "6"
    & skf21("7","2","3","5","3","5","5","1") = "6"
    & skf21("7","2","3","5","3","5","6","1") = "6"
    & skf21("7","2","3","5","3","5","7","1") = "6"
    & skf21("7","2","3","5","3","6","1","1") = "6"
    & skf21("7","2","3","5","3","6","2","1") = "6"
    & skf21("7","2","3","5","3","6","3","1") = "6"
    & skf21("7","2","3","5","3","6","4","1") = "6"
    & skf21("7","2","3","5","3","6","5","1") = "6"
    & skf21("7","2","3","5","3","6","6","1") = "6"
    & skf21("7","2","3","5","3","6","7","1") = "6"
    & skf21("7","2","3","5","3","7","1","1") = "6"
    & skf21("7","2","3","5","3","7","2","1") = "6"
    & skf21("7","2","3","5","3","7","3","1") = "6"
    & skf21("7","2","3","5","3","7","4","1") = "6"
    & skf21("7","2","3","5","3","7","5","1") = "6"
    & skf21("7","2","3","5","3","7","6","1") = "6"
    & skf21("7","2","3","5","3","7","7","1") = "6"
    & skf21("7","2","3","5","4","1","1","1") = "6"
    & skf21("7","2","3","5","4","1","2","1") = "6"
    & skf21("7","2","3","5","4","1","3","1") = "6"
    & skf21("7","2","3","5","4","1","4","1") = "6"
    & skf21("7","2","3","5","4","1","5","1") = "6"
    & skf21("7","2","3","5","4","1","6","1") = "6"
    & skf21("7","2","3","5","4","1","7","1") = "6"
    & skf21("7","2","3","5","4","2","1","1") = "6"
    & skf21("7","2","3","5","4","2","2","1") = "6"
    & skf21("7","2","3","5","4","2","3","1") = "6"
    & skf21("7","2","3","5","4","2","4","1") = "6"
    & skf21("7","2","3","5","4","2","5","1") = "6"
    & skf21("7","2","3","5","4","2","6","1") = "6"
    & skf21("7","2","3","5","4","2","7","1") = "6"
    & skf21("7","2","3","5","4","3","1","1") = "6"
    & skf21("7","2","3","5","4","3","2","1") = "6"
    & skf21("7","2","3","5","4","3","3","1") = "6"
    & skf21("7","2","3","5","4","3","4","1") = "6"
    & skf21("7","2","3","5","4","3","5","1") = "6"
    & skf21("7","2","3","5","4","3","6","1") = "6"
    & skf21("7","2","3","5","4","3","7","1") = "6"
    & skf21("7","2","3","5","4","4","1","1") = "6"
    & skf21("7","2","3","5","4","4","2","1") = "6"
    & skf21("7","2","3","5","4","4","3","1") = "6"
    & skf21("7","2","3","5","4","4","4","1") = "6"
    & skf21("7","2","3","5","4","4","5","1") = "6"
    & skf21("7","2","3","5","4","4","6","1") = "6"
    & skf21("7","2","3","5","4","4","7","1") = "6"
    & skf21("7","2","3","5","4","5","1","1") = "6"
    & skf21("7","2","3","5","4","5","2","1") = "6"
    & skf21("7","2","3","5","4","5","3","1") = "6"
    & skf21("7","2","3","5","4","5","4","1") = "6"
    & skf21("7","2","3","5","4","5","5","1") = "6"
    & skf21("7","2","3","5","4","5","6","1") = "6"
    & skf21("7","2","3","5","4","5","7","1") = "6"
    & skf21("7","2","3","5","4","6","1","1") = "6"
    & skf21("7","2","3","5","4","6","2","1") = "6"
    & skf21("7","2","3","5","4","6","3","1") = "6"
    & skf21("7","2","3","5","4","6","4","1") = "6"
    & skf21("7","2","3","5","4","6","5","1") = "6"
    & skf21("7","2","3","5","4","6","6","1") = "6"
    & skf21("7","2","3","5","4","6","7","1") = "6"
    & skf21("7","2","3","5","4","7","1","1") = "6"
    & skf21("7","2","3","5","4","7","2","1") = "6"
    & skf21("7","2","3","5","4","7","3","1") = "6"
    & skf21("7","2","3","5","4","7","4","1") = "6"
    & skf21("7","2","3","5","4","7","5","1") = "6"
    & skf21("7","2","3","5","4","7","6","1") = "6"
    & skf21("7","2","3","5","4","7","7","1") = "6"
    & skf21("7","2","3","5","5","1","1","1") = "6"
    & skf21("7","2","3","5","5","1","2","1") = "6"
    & skf21("7","2","3","5","5","1","3","1") = "6"
    & skf21("7","2","3","5","5","1","4","1") = "6"
    & skf21("7","2","3","5","5","1","5","1") = "6"
    & skf21("7","2","3","5","5","1","6","1") = "6"
    & skf21("7","2","3","5","5","1","7","1") = "6"
    & skf21("7","2","3","5","5","2","1","1") = "6"
    & skf21("7","2","3","5","5","2","2","1") = "6"
    & skf21("7","2","3","5","5","2","3","1") = "6"
    & skf21("7","2","3","5","5","2","4","1") = "6"
    & skf21("7","2","3","5","5","2","5","1") = "6"
    & skf21("7","2","3","5","5","2","6","1") = "6"
    & skf21("7","2","3","5","5","2","7","1") = "6"
    & skf21("7","2","3","5","5","3","1","1") = "6"
    & skf21("7","2","3","5","5","3","2","1") = "6"
    & skf21("7","2","3","5","5","3","3","1") = "6"
    & skf21("7","2","3","5","5","3","4","1") = "6"
    & skf21("7","2","3","5","5","3","5","1") = "6"
    & skf21("7","2","3","5","5","3","6","1") = "6"
    & skf21("7","2","3","5","5","3","7","1") = "6"
    & skf21("7","2","3","5","5","4","1","1") = "6"
    & skf21("7","2","3","5","5","4","2","1") = "6"
    & skf21("7","2","3","5","5","4","3","1") = "6"
    & skf21("7","2","3","5","5","4","4","1") = "6"
    & skf21("7","2","3","5","5","4","5","1") = "6"
    & skf21("7","2","3","5","5","4","6","1") = "6"
    & skf21("7","2","3","5","5","4","7","1") = "6"
    & skf21("7","2","3","5","5","5","1","1") = "6"
    & skf21("7","2","3","5","5","5","2","1") = "6"
    & skf21("7","2","3","5","5","5","3","1") = "6"
    & skf21("7","2","3","5","5","5","4","1") = "6"
    & skf21("7","2","3","5","5","5","5","1") = "6"
    & skf21("7","2","3","5","5","5","6","1") = "6"
    & skf21("7","2","3","5","5","5","7","1") = "6"
    & skf21("7","2","3","5","5","6","1","1") = "6"
    & skf21("7","2","3","5","5","6","2","1") = "6"
    & skf21("7","2","3","5","5","6","3","1") = "6"
    & skf21("7","2","3","5","5","6","4","1") = "6"
    & skf21("7","2","3","5","5","6","5","1") = "6"
    & skf21("7","2","3","5","5","6","6","1") = "6"
    & skf21("7","2","3","5","5","6","7","1") = "6"
    & skf21("7","2","3","5","5","7","1","1") = "6"
    & skf21("7","2","3","5","5","7","2","1") = "6"
    & skf21("7","2","3","5","5","7","3","1") = "6"
    & skf21("7","2","3","5","5","7","4","1") = "6"
    & skf21("7","2","3","5","5","7","5","1") = "6"
    & skf21("7","2","3","5","5","7","6","1") = "6"
    & skf21("7","2","3","5","5","7","7","1") = "6"
    & skf21("7","2","3","5","6","1","1","1") = "6"
    & skf21("7","2","3","5","6","1","2","1") = "6"
    & skf21("7","2","3","5","6","1","3","1") = "6"
    & skf21("7","2","3","5","6","1","4","1") = "6"
    & skf21("7","2","3","5","6","1","5","1") = "6"
    & skf21("7","2","3","5","6","1","6","1") = "6"
    & skf21("7","2","3","5","6","1","7","1") = "6"
    & skf21("7","2","3","5","6","2","1","1") = "6"
    & skf21("7","2","3","5","6","2","2","1") = "6"
    & skf21("7","2","3","5","6","2","3","1") = "6"
    & skf21("7","2","3","5","6","2","4","1") = "6"
    & skf21("7","2","3","5","6","2","5","1") = "6"
    & skf21("7","2","3","5","6","2","6","1") = "6"
    & skf21("7","2","3","5","6","2","7","1") = "6"
    & skf21("7","2","3","5","6","3","1","1") = "6"
    & skf21("7","2","3","5","6","3","2","1") = "6"
    & skf21("7","2","3","5","6","3","3","1") = "6"
    & skf21("7","2","3","5","6","3","4","1") = "6"
    & skf21("7","2","3","5","6","3","5","1") = "6"
    & skf21("7","2","3","5","6","3","6","1") = "6"
    & skf21("7","2","3","5","6","3","7","1") = "6"
    & skf21("7","2","3","5","6","4","1","1") = "6"
    & skf21("7","2","3","5","6","4","2","1") = "6"
    & skf21("7","2","3","5","6","4","3","1") = "6"
    & skf21("7","2","3","5","6","4","4","1") = "6"
    & skf21("7","2","3","5","6","4","5","1") = "6"
    & skf21("7","2","3","5","6","4","6","1") = "6"
    & skf21("7","2","3","5","6","4","7","1") = "6"
    & skf21("7","2","3","5","6","5","1","1") = "6"
    & skf21("7","2","3","5","6","5","2","1") = "6"
    & skf21("7","2","3","5","6","5","3","1") = "6"
    & skf21("7","2","3","5","6","5","4","1") = "6"
    & skf21("7","2","3","5","6","5","5","1") = "6"
    & skf21("7","2","3","5","6","5","6","1") = "6"
    & skf21("7","2","3","5","6","5","7","1") = "6"
    & skf21("7","2","3","5","6","6","1","1") = "6"
    & skf21("7","2","3","5","6","6","2","1") = "6"
    & skf21("7","2","3","5","6","6","3","1") = "6"
    & skf21("7","2","3","5","6","6","4","1") = "6"
    & skf21("7","2","3","5","6","6","5","1") = "6"
    & skf21("7","2","3","5","6","6","6","1") = "6"
    & skf21("7","2","3","5","6","6","7","1") = "6"
    & skf21("7","2","3","5","6","7","1","1") = "6"
    & skf21("7","2","3","5","6","7","2","1") = "6"
    & skf21("7","2","3","5","6","7","3","1") = "6"
    & skf21("7","2","3","5","6","7","4","1") = "6"
    & skf21("7","2","3","5","6","7","5","1") = "6"
    & skf21("7","2","3","5","6","7","6","1") = "6"
    & skf21("7","2","3","5","6","7","7","1") = "6"
    & skf21("7","2","3","5","7","1","1","1") = "6"
    & skf21("7","2","3","5","7","1","2","1") = "6"
    & skf21("7","2","3","5","7","1","3","1") = "6"
    & skf21("7","2","3","5","7","1","4","1") = "6"
    & skf21("7","2","3","5","7","1","5","1") = "6"
    & skf21("7","2","3","5","7","1","6","1") = "6"
    & skf21("7","2","3","5","7","1","7","1") = "6"
    & skf21("7","2","3","5","7","2","1","1") = "6"
    & skf21("7","2","3","5","7","2","2","1") = "6"
    & skf21("7","2","3","5","7","2","3","1") = "6"
    & skf21("7","2","3","5","7","2","4","1") = "6"
    & skf21("7","2","3","5","7","2","5","1") = "6"
    & skf21("7","2","3","5","7","2","6","1") = "6"
    & skf21("7","2","3","5","7","2","7","1") = "6"
    & skf21("7","2","3","5","7","3","1","1") = "6"
    & skf21("7","2","3","5","7","3","2","1") = "6"
    & skf21("7","2","3","5","7","3","3","1") = "6"
    & skf21("7","2","3","5","7","3","4","1") = "6"
    & skf21("7","2","3","5","7","3","5","1") = "6"
    & skf21("7","2","3","5","7","3","6","1") = "6"
    & skf21("7","2","3","5","7","3","7","1") = "6"
    & skf21("7","2","3","5","7","4","1","1") = "6"
    & skf21("7","2","3","5","7","4","2","1") = "6"
    & skf21("7","2","3","5","7","4","3","1") = "6"
    & skf21("7","2","3","5","7","4","4","1") = "6"
    & skf21("7","2","3","5","7","4","5","1") = "6"
    & skf21("7","2","3","5","7","4","6","1") = "6"
    & skf21("7","2","3","5","7","4","7","1") = "6"
    & skf21("7","2","3","5","7","5","1","1") = "6"
    & skf21("7","2","3","5","7","5","2","1") = "6"
    & skf21("7","2","3","5","7","5","3","1") = "6"
    & skf21("7","2","3","5","7","5","4","1") = "6"
    & skf21("7","2","3","5","7","5","5","1") = "6"
    & skf21("7","2","3","5","7","5","6","1") = "6"
    & skf21("7","2","3","5","7","5","7","1") = "6"
    & skf21("7","2","3","5","7","6","1","1") = "6"
    & skf21("7","2","3","5","7","6","2","1") = "6"
    & skf21("7","2","3","5","7","6","3","1") = "6"
    & skf21("7","2","3","5","7","6","4","1") = "6"
    & skf21("7","2","3","5","7","6","5","1") = "6"
    & skf21("7","2","3","5","7","6","6","1") = "6"
    & skf21("7","2","3","5","7","6","7","1") = "6"
    & skf21("7","2","3","5","7","7","1","1") = "6"
    & skf21("7","2","3","5","7","7","2","1") = "6"
    & skf21("7","2","3","5","7","7","3","1") = "6"
    & skf21("7","2","3","5","7","7","4","1") = "6"
    & skf21("7","2","3","5","7","7","5","1") = "6"
    & skf21("7","2","3","5","7","7","6","1") = "6"
    & skf21("7","2","3","5","7","7","7","1") = "6"
    & skf21("7","2","3","6","1","1","1","1") = "6"
    & skf21("7","2","3","6","1","1","2","1") = "6"
    & skf21("7","2","3","6","1","1","3","1") = "6"
    & skf21("7","2","3","6","1","1","4","1") = "6"
    & skf21("7","2","3","6","1","1","5","1") = "6"
    & skf21("7","2","3","6","1","1","6","1") = "6"
    & skf21("7","2","3","6","1","1","7","1") = "6"
    & skf21("7","2","3","6","1","2","1","1") = "6"
    & skf21("7","2","3","6","1","2","2","1") = "6"
    & skf21("7","2","3","6","1","2","3","1") = "6"
    & skf21("7","2","3","6","1","2","4","1") = "6"
    & skf21("7","2","3","6","1","2","5","1") = "6"
    & skf21("7","2","3","6","1","2","6","1") = "6"
    & skf21("7","2","3","6","1","2","7","1") = "6"
    & skf21("7","2","3","6","1","3","1","1") = "6"
    & skf21("7","2","3","6","1","3","2","1") = "6"
    & skf21("7","2","3","6","1","3","3","1") = "6"
    & skf21("7","2","3","6","1","3","4","1") = "6"
    & skf21("7","2","3","6","1","3","5","1") = "6"
    & skf21("7","2","3","6","1","3","6","1") = "6"
    & skf21("7","2","3","6","1","3","7","1") = "6"
    & skf21("7","2","3","6","1","4","1","1") = "6"
    & skf21("7","2","3","6","1","4","2","1") = "6"
    & skf21("7","2","3","6","1","4","3","1") = "6"
    & skf21("7","2","3","6","1","4","4","1") = "6"
    & skf21("7","2","3","6","1","4","5","1") = "6"
    & skf21("7","2","3","6","1","4","6","1") = "6"
    & skf21("7","2","3","6","1","4","7","1") = "6"
    & skf21("7","2","3","6","1","5","1","1") = "6"
    & skf21("7","2","3","6","1","5","2","1") = "6"
    & skf21("7","2","3","6","1","5","3","1") = "6"
    & skf21("7","2","3","6","1","5","4","1") = "6"
    & skf21("7","2","3","6","1","5","5","1") = "6"
    & skf21("7","2","3","6","1","5","6","1") = "6"
    & skf21("7","2","3","6","1","5","7","1") = "6"
    & skf21("7","2","3","6","1","6","1","1") = "6"
    & skf21("7","2","3","6","1","6","2","1") = "6"
    & skf21("7","2","3","6","1","6","3","1") = "6"
    & skf21("7","2","3","6","1","6","4","1") = "6"
    & skf21("7","2","3","6","1","6","5","1") = "6"
    & skf21("7","2","3","6","1","6","6","1") = "6"
    & skf21("7","2","3","6","1","6","7","1") = "6"
    & skf21("7","2","3","6","1","7","1","1") = "6"
    & skf21("7","2","3","6","1","7","2","1") = "6"
    & skf21("7","2","3","6","1","7","3","1") = "6"
    & skf21("7","2","3","6","1","7","4","1") = "6"
    & skf21("7","2","3","6","1","7","5","1") = "6"
    & skf21("7","2","3","6","1","7","6","1") = "6"
    & skf21("7","2","3","6","1","7","7","1") = "6"
    & skf21("7","2","3","6","2","1","1","1") = "6"
    & skf21("7","2","3","6","2","1","2","1") = "6"
    & skf21("7","2","3","6","2","1","3","1") = "6"
    & skf21("7","2","3","6","2","1","4","1") = "6"
    & skf21("7","2","3","6","2","1","5","1") = "6"
    & skf21("7","2","3","6","2","1","6","1") = "6"
    & skf21("7","2","3","6","2","1","7","1") = "6"
    & skf21("7","2","3","6","2","2","1","1") = "6"
    & skf21("7","2","3","6","2","2","2","1") = "6"
    & skf21("7","2","3","6","2","2","3","1") = "6"
    & skf21("7","2","3","6","2","2","4","1") = "6"
    & skf21("7","2","3","6","2","2","5","1") = "6"
    & skf21("7","2","3","6","2","2","6","1") = "6"
    & skf21("7","2","3","6","2","2","7","1") = "6"
    & skf21("7","2","3","6","2","3","1","1") = "6"
    & skf21("7","2","3","6","2","3","2","1") = "6"
    & skf21("7","2","3","6","2","3","3","1") = "6"
    & skf21("7","2","3","6","2","3","4","1") = "6"
    & skf21("7","2","3","6","2","3","5","1") = "6"
    & skf21("7","2","3","6","2","3","6","1") = "6"
    & skf21("7","2","3","6","2","3","7","1") = "6"
    & skf21("7","2","3","6","2","4","1","1") = "6"
    & skf21("7","2","3","6","2","4","2","1") = "6"
    & skf21("7","2","3","6","2","4","3","1") = "6"
    & skf21("7","2","3","6","2","4","4","1") = "6"
    & skf21("7","2","3","6","2","4","5","1") = "6"
    & skf21("7","2","3","6","2","4","6","1") = "6"
    & skf21("7","2","3","6","2","4","7","1") = "6"
    & skf21("7","2","3","6","2","5","1","1") = "6"
    & skf21("7","2","3","6","2","5","2","1") = "6"
    & skf21("7","2","3","6","2","5","3","1") = "6"
    & skf21("7","2","3","6","2","5","4","1") = "6"
    & skf21("7","2","3","6","2","5","5","1") = "6"
    & skf21("7","2","3","6","2","5","6","1") = "6"
    & skf21("7","2","3","6","2","5","7","1") = "6"
    & skf21("7","2","3","6","2","6","1","1") = "6"
    & skf21("7","2","3","6","2","6","2","1") = "6"
    & skf21("7","2","3","6","2","6","3","1") = "6"
    & skf21("7","2","3","6","2","6","4","1") = "6"
    & skf21("7","2","3","6","2","6","5","1") = "6"
    & skf21("7","2","3","6","2","6","6","1") = "6"
    & skf21("7","2","3","6","2","6","7","1") = "6"
    & skf21("7","2","3","6","2","7","1","1") = "6"
    & skf21("7","2","3","6","2","7","2","1") = "6"
    & skf21("7","2","3","6","2","7","3","1") = "6"
    & skf21("7","2","3","6","2","7","4","1") = "6"
    & skf21("7","2","3","6","2","7","5","1") = "6"
    & skf21("7","2","3","6","2","7","6","1") = "6"
    & skf21("7","2","3","6","2","7","7","1") = "6"
    & skf21("7","2","3","6","3","1","1","1") = "6"
    & skf21("7","2","3","6","3","1","2","1") = "6"
    & skf21("7","2","3","6","3","1","3","1") = "6"
    & skf21("7","2","3","6","3","1","4","1") = "6"
    & skf21("7","2","3","6","3","1","5","1") = "6"
    & skf21("7","2","3","6","3","1","6","1") = "6"
    & skf21("7","2","3","6","3","1","7","1") = "6"
    & skf21("7","2","3","6","3","2","1","1") = "6"
    & skf21("7","2","3","6","3","2","2","1") = "6"
    & skf21("7","2","3","6","3","2","3","1") = "6"
    & skf21("7","2","3","6","3","2","4","1") = "6"
    & skf21("7","2","3","6","3","2","5","1") = "6"
    & skf21("7","2","3","6","3","2","6","1") = "6"
    & skf21("7","2","3","6","3","2","7","1") = "6"
    & skf21("7","2","3","6","3","3","1","1") = "6"
    & skf21("7","2","3","6","3","3","2","1") = "6"
    & skf21("7","2","3","6","3","3","3","1") = "6"
    & skf21("7","2","3","6","3","3","4","1") = "6"
    & skf21("7","2","3","6","3","3","5","1") = "6"
    & skf21("7","2","3","6","3","3","6","1") = "6"
    & skf21("7","2","3","6","3","3","7","1") = "6"
    & skf21("7","2","3","6","3","4","1","1") = "6"
    & skf21("7","2","3","6","3","4","2","1") = "6"
    & skf21("7","2","3","6","3","4","3","1") = "6"
    & skf21("7","2","3","6","3","4","4","1") = "6"
    & skf21("7","2","3","6","3","4","5","1") = "6"
    & skf21("7","2","3","6","3","4","6","1") = "6"
    & skf21("7","2","3","6","3","4","7","1") = "6"
    & skf21("7","2","3","6","3","5","1","1") = "6"
    & skf21("7","2","3","6","3","5","2","1") = "6"
    & skf21("7","2","3","6","3","5","3","1") = "6"
    & skf21("7","2","3","6","3","5","4","1") = "6"
    & skf21("7","2","3","6","3","5","5","1") = "6"
    & skf21("7","2","3","6","3","5","6","1") = "6"
    & skf21("7","2","3","6","3","5","7","1") = "6"
    & skf21("7","2","3","6","3","6","1","1") = "6"
    & skf21("7","2","3","6","3","6","2","1") = "6"
    & skf21("7","2","3","6","3","6","3","1") = "6"
    & skf21("7","2","3","6","3","6","4","1") = "6"
    & skf21("7","2","3","6","3","6","5","1") = "6"
    & skf21("7","2","3","6","3","6","6","1") = "6"
    & skf21("7","2","3","6","3","6","7","1") = "6"
    & skf21("7","2","3","6","3","7","1","1") = "6"
    & skf21("7","2","3","6","3","7","2","1") = "6"
    & skf21("7","2","3","6","3","7","3","1") = "6"
    & skf21("7","2","3","6","3","7","4","1") = "6"
    & skf21("7","2","3","6","3","7","5","1") = "6"
    & skf21("7","2","3","6","3","7","6","1") = "6"
    & skf21("7","2","3","6","3","7","7","1") = "6"
    & skf21("7","2","3","6","4","1","1","1") = "6"
    & skf21("7","2","3","6","4","1","2","1") = "6"
    & skf21("7","2","3","6","4","1","3","1") = "6"
    & skf21("7","2","3","6","4","1","4","1") = "6"
    & skf21("7","2","3","6","4","1","5","1") = "6"
    & skf21("7","2","3","6","4","1","6","1") = "6"
    & skf21("7","2","3","6","4","1","7","1") = "6"
    & skf21("7","2","3","6","4","2","1","1") = "6"
    & skf21("7","2","3","6","4","2","2","1") = "6"
    & skf21("7","2","3","6","4","2","3","1") = "6"
    & skf21("7","2","3","6","4","2","4","1") = "6"
    & skf21("7","2","3","6","4","2","5","1") = "6"
    & skf21("7","2","3","6","4","2","6","1") = "6"
    & skf21("7","2","3","6","4","2","7","1") = "6"
    & skf21("7","2","3","6","4","3","1","1") = "6"
    & skf21("7","2","3","6","4","3","2","1") = "6"
    & skf21("7","2","3","6","4","3","3","1") = "6"
    & skf21("7","2","3","6","4","3","4","1") = "6"
    & skf21("7","2","3","6","4","3","5","1") = "6"
    & skf21("7","2","3","6","4","3","6","1") = "6"
    & skf21("7","2","3","6","4","3","7","1") = "6"
    & skf21("7","2","3","6","4","4","1","1") = "6"
    & skf21("7","2","3","6","4","4","2","1") = "6"
    & skf21("7","2","3","6","4","4","3","1") = "6"
    & skf21("7","2","3","6","4","4","4","1") = "6"
    & skf21("7","2","3","6","4","4","5","1") = "6"
    & skf21("7","2","3","6","4","4","6","1") = "6"
    & skf21("7","2","3","6","4","4","7","1") = "6"
    & skf21("7","2","3","6","4","5","1","1") = "6"
    & skf21("7","2","3","6","4","5","2","1") = "6"
    & skf21("7","2","3","6","4","5","3","1") = "6"
    & skf21("7","2","3","6","4","5","4","1") = "6"
    & skf21("7","2","3","6","4","5","5","1") = "6"
    & skf21("7","2","3","6","4","5","6","1") = "6"
    & skf21("7","2","3","6","4","5","7","1") = "6"
    & skf21("7","2","3","6","4","6","1","1") = "6"
    & skf21("7","2","3","6","4","6","2","1") = "6"
    & skf21("7","2","3","6","4","6","3","1") = "6"
    & skf21("7","2","3","6","4","6","4","1") = "6"
    & skf21("7","2","3","6","4","6","5","1") = "6"
    & skf21("7","2","3","6","4","6","6","1") = "6"
    & skf21("7","2","3","6","4","6","7","1") = "6"
    & skf21("7","2","3","6","4","7","1","1") = "6"
    & skf21("7","2","3","6","4","7","2","1") = "6"
    & skf21("7","2","3","6","4","7","3","1") = "6"
    & skf21("7","2","3","6","4","7","4","1") = "6"
    & skf21("7","2","3","6","4","7","5","1") = "6"
    & skf21("7","2","3","6","4","7","6","1") = "6"
    & skf21("7","2","3","6","4","7","7","1") = "6"
    & skf21("7","2","3","6","5","1","1","1") = "6"
    & skf21("7","2","3","6","5","1","2","1") = "6"
    & skf21("7","2","3","6","5","1","3","1") = "6"
    & skf21("7","2","3","6","5","1","4","1") = "6"
    & skf21("7","2","3","6","5","1","5","1") = "6"
    & skf21("7","2","3","6","5","1","6","1") = "6"
    & skf21("7","2","3","6","5","1","7","1") = "6"
    & skf21("7","2","3","6","5","2","1","1") = "6"
    & skf21("7","2","3","6","5","2","2","1") = "6"
    & skf21("7","2","3","6","5","2","3","1") = "6"
    & skf21("7","2","3","6","5","2","4","1") = "6"
    & skf21("7","2","3","6","5","2","5","1") = "6"
    & skf21("7","2","3","6","5","2","6","1") = "6"
    & skf21("7","2","3","6","5","2","7","1") = "6"
    & skf21("7","2","3","6","5","3","1","1") = "6"
    & skf21("7","2","3","6","5","3","2","1") = "6"
    & skf21("7","2","3","6","5","3","3","1") = "6"
    & skf21("7","2","3","6","5","3","4","1") = "6"
    & skf21("7","2","3","6","5","3","5","1") = "6"
    & skf21("7","2","3","6","5","3","6","1") = "6"
    & skf21("7","2","3","6","5","3","7","1") = "6"
    & skf21("7","2","3","6","5","4","1","1") = "6"
    & skf21("7","2","3","6","5","4","2","1") = "6"
    & skf21("7","2","3","6","5","4","3","1") = "6"
    & skf21("7","2","3","6","5","4","4","1") = "6"
    & skf21("7","2","3","6","5","4","5","1") = "6"
    & skf21("7","2","3","6","5","4","6","1") = "6"
    & skf21("7","2","3","6","5","4","7","1") = "6"
    & skf21("7","2","3","6","5","5","1","1") = "6"
    & skf21("7","2","3","6","5","5","2","1") = "6"
    & skf21("7","2","3","6","5","5","3","1") = "6"
    & skf21("7","2","3","6","5","5","4","1") = "6"
    & skf21("7","2","3","6","5","5","5","1") = "6"
    & skf21("7","2","3","6","5","5","6","1") = "6"
    & skf21("7","2","3","6","5","5","7","1") = "6"
    & skf21("7","2","3","6","5","6","1","1") = "6"
    & skf21("7","2","3","6","5","6","2","1") = "6"
    & skf21("7","2","3","6","5","6","3","1") = "6"
    & skf21("7","2","3","6","5","6","4","1") = "6"
    & skf21("7","2","3","6","5","6","5","1") = "6"
    & skf21("7","2","3","6","5","6","6","1") = "6"
    & skf21("7","2","3","6","5","6","7","1") = "6"
    & skf21("7","2","3","6","5","7","1","1") = "6"
    & skf21("7","2","3","6","5","7","2","1") = "6"
    & skf21("7","2","3","6","5","7","3","1") = "6"
    & skf21("7","2","3","6","5","7","4","1") = "6"
    & skf21("7","2","3","6","5","7","5","1") = "6"
    & skf21("7","2","3","6","5","7","6","1") = "6"
    & skf21("7","2","3","6","5","7","7","1") = "6"
    & skf21("7","2","3","6","6","1","1","1") = "6"
    & skf21("7","2","3","6","6","1","2","1") = "6"
    & skf21("7","2","3","6","6","1","3","1") = "6"
    & skf21("7","2","3","6","6","1","4","1") = "6"
    & skf21("7","2","3","6","6","1","5","1") = "6"
    & skf21("7","2","3","6","6","1","6","1") = "6"
    & skf21("7","2","3","6","6","1","7","1") = "6"
    & skf21("7","2","3","6","6","2","1","1") = "6"
    & skf21("7","2","3","6","6","2","2","1") = "6"
    & skf21("7","2","3","6","6","2","3","1") = "6"
    & skf21("7","2","3","6","6","2","4","1") = "6"
    & skf21("7","2","3","6","6","2","5","1") = "6"
    & skf21("7","2","3","6","6","2","6","1") = "6"
    & skf21("7","2","3","6","6","2","7","1") = "6"
    & skf21("7","2","3","6","6","3","1","1") = "6"
    & skf21("7","2","3","6","6","3","2","1") = "6"
    & skf21("7","2","3","6","6","3","3","1") = "6"
    & skf21("7","2","3","6","6","3","4","1") = "6"
    & skf21("7","2","3","6","6","3","5","1") = "6"
    & skf21("7","2","3","6","6","3","6","1") = "6"
    & skf21("7","2","3","6","6","3","7","1") = "6"
    & skf21("7","2","3","6","6","4","1","1") = "6"
    & skf21("7","2","3","6","6","4","2","1") = "6"
    & skf21("7","2","3","6","6","4","3","1") = "6"
    & skf21("7","2","3","6","6","4","4","1") = "6"
    & skf21("7","2","3","6","6","4","5","1") = "6"
    & skf21("7","2","3","6","6","4","6","1") = "6"
    & skf21("7","2","3","6","6","4","7","1") = "6"
    & skf21("7","2","3","6","6","5","1","1") = "6"
    & skf21("7","2","3","6","6","5","2","1") = "6"
    & skf21("7","2","3","6","6","5","3","1") = "6"
    & skf21("7","2","3","6","6","5","4","1") = "6"
    & skf21("7","2","3","6","6","5","5","1") = "6"
    & skf21("7","2","3","6","6","5","6","1") = "6"
    & skf21("7","2","3","6","6","5","7","1") = "6"
    & skf21("7","2","3","6","6","6","1","1") = "6"
    & skf21("7","2","3","6","6","6","2","1") = "6"
    & skf21("7","2","3","6","6","6","3","1") = "6"
    & skf21("7","2","3","6","6","6","4","1") = "6"
    & skf21("7","2","3","6","6","6","5","1") = "6"
    & skf21("7","2","3","6","6","6","6","1") = "6"
    & skf21("7","2","3","6","6","6","7","1") = "6"
    & skf21("7","2","3","6","6","7","1","1") = "6"
    & skf21("7","2","3","6","6","7","2","1") = "6"
    & skf21("7","2","3","6","6","7","3","1") = "6"
    & skf21("7","2","3","6","6","7","4","1") = "6"
    & skf21("7","2","3","6","6","7","5","1") = "6"
    & skf21("7","2","3","6","6","7","6","1") = "6"
    & skf21("7","2","3","6","6","7","7","1") = "6"
    & skf21("7","2","3","6","7","1","1","1") = "6"
    & skf21("7","2","3","6","7","1","2","1") = "6"
    & skf21("7","2","3","6","7","1","3","1") = "6"
    & skf21("7","2","3","6","7","1","4","1") = "6"
    & skf21("7","2","3","6","7","1","5","1") = "6"
    & skf21("7","2","3","6","7","1","6","1") = "6"
    & skf21("7","2","3","6","7","1","7","1") = "6"
    & skf21("7","2","3","6","7","2","1","1") = "6"
    & skf21("7","2","3","6","7","2","2","1") = "6"
    & skf21("7","2","3","6","7","2","3","1") = "6"
    & skf21("7","2","3","6","7","2","4","1") = "6"
    & skf21("7","2","3","6","7","2","5","1") = "6"
    & skf21("7","2","3","6","7","2","6","1") = "6"
    & skf21("7","2","3","6","7","2","7","1") = "6"
    & skf21("7","2","3","6","7","3","1","1") = "6"
    & skf21("7","2","3","6","7","3","2","1") = "6"
    & skf21("7","2","3","6","7","3","3","1") = "6"
    & skf21("7","2","3","6","7","3","4","1") = "6"
    & skf21("7","2","3","6","7","3","5","1") = "6"
    & skf21("7","2","3","6","7","3","6","1") = "6"
    & skf21("7","2","3","6","7","3","7","1") = "6"
    & skf21("7","2","3","6","7","4","1","1") = "6"
    & skf21("7","2","3","6","7","4","2","1") = "6"
    & skf21("7","2","3","6","7","4","3","1") = "6"
    & skf21("7","2","3","6","7","4","4","1") = "6"
    & skf21("7","2","3","6","7","4","5","1") = "6"
    & skf21("7","2","3","6","7","4","6","1") = "6"
    & skf21("7","2","3","6","7","4","7","1") = "6"
    & skf21("7","2","3","6","7","5","1","1") = "6"
    & skf21("7","2","3","6","7","5","2","1") = "6"
    & skf21("7","2","3","6","7","5","3","1") = "6"
    & skf21("7","2","3","6","7","5","4","1") = "6"
    & skf21("7","2","3","6","7","5","5","1") = "6"
    & skf21("7","2","3","6","7","5","6","1") = "6"
    & skf21("7","2","3","6","7","5","7","1") = "6"
    & skf21("7","2","3","6","7","6","1","1") = "6"
    & skf21("7","2","3","6","7","6","2","1") = "6"
    & skf21("7","2","3","6","7","6","3","1") = "6"
    & skf21("7","2","3","6","7","6","4","1") = "6"
    & skf21("7","2","3","6","7","6","5","1") = "6"
    & skf21("7","2","3","6","7","6","6","1") = "6"
    & skf21("7","2","3","6","7","6","7","1") = "6"
    & skf21("7","2","3","6","7","7","1","1") = "6"
    & skf21("7","2","3","6","7","7","2","1") = "6"
    & skf21("7","2","3","6","7","7","3","1") = "6"
    & skf21("7","2","3","6","7","7","4","1") = "6"
    & skf21("7","2","3","6","7","7","5","1") = "6"
    & skf21("7","2","3","6","7","7","6","1") = "6"
    & skf21("7","2","3","6","7","7","7","1") = "6"
    & skf21("7","2","3","7","1","1","1","1") = "6"
    & skf21("7","2","3","7","1","1","2","1") = "6"
    & skf21("7","2","3","7","1","1","3","1") = "6"
    & skf21("7","2","3","7","1","1","4","1") = "6"
    & skf21("7","2","3","7","1","1","5","1") = "6"
    & skf21("7","2","3","7","1","1","6","1") = "6"
    & skf21("7","2","3","7","1","1","7","1") = "6"
    & skf21("7","2","3","7","1","2","1","1") = "6"
    & skf21("7","2","3","7","1","2","2","1") = "6"
    & skf21("7","2","3","7","1","2","3","1") = "6"
    & skf21("7","2","3","7","1","2","4","1") = "6"
    & skf21("7","2","3","7","1","2","5","1") = "6"
    & skf21("7","2","3","7","1","2","6","1") = "6"
    & skf21("7","2","3","7","1","2","7","1") = "6"
    & skf21("7","2","3","7","1","3","1","1") = "6"
    & skf21("7","2","3","7","1","3","2","1") = "6"
    & skf21("7","2","3","7","1","3","3","1") = "6"
    & skf21("7","2","3","7","1","3","4","1") = "6"
    & skf21("7","2","3","7","1","3","5","1") = "6"
    & skf21("7","2","3","7","1","3","6","1") = "6"
    & skf21("7","2","3","7","1","3","7","1") = "6"
    & skf21("7","2","3","7","1","4","1","1") = "6"
    & skf21("7","2","3","7","1","4","2","1") = "6"
    & skf21("7","2","3","7","1","4","3","1") = "6"
    & skf21("7","2","3","7","1","4","4","1") = "6"
    & skf21("7","2","3","7","1","4","5","1") = "6"
    & skf21("7","2","3","7","1","4","6","1") = "6"
    & skf21("7","2","3","7","1","4","7","1") = "6"
    & skf21("7","2","3","7","1","5","1","1") = "6"
    & skf21("7","2","3","7","1","5","2","1") = "6"
    & skf21("7","2","3","7","1","5","3","1") = "6"
    & skf21("7","2","3","7","1","5","4","1") = "6"
    & skf21("7","2","3","7","1","5","5","1") = "6"
    & skf21("7","2","3","7","1","5","6","1") = "6"
    & skf21("7","2","3","7","1","5","7","1") = "6"
    & skf21("7","2","3","7","1","6","1","1") = "6"
    & skf21("7","2","3","7","1","6","2","1") = "6"
    & skf21("7","2","3","7","1","6","3","1") = "6"
    & skf21("7","2","3","7","1","6","4","1") = "6"
    & skf21("7","2","3","7","1","6","5","1") = "6"
    & skf21("7","2","3","7","1","6","6","1") = "6"
    & skf21("7","2","3","7","1","6","7","1") = "6"
    & skf21("7","2","3","7","1","7","1","1") = "6"
    & skf21("7","2","3","7","1","7","2","1") = "6"
    & skf21("7","2","3","7","1","7","3","1") = "6"
    & skf21("7","2","3","7","1","7","4","1") = "6"
    & skf21("7","2","3","7","1","7","5","1") = "6"
    & skf21("7","2","3","7","1","7","6","1") = "6"
    & skf21("7","2","3","7","1","7","7","1") = "6"
    & skf21("7","2","3","7","2","1","1","1") = "6"
    & skf21("7","2","3","7","2","1","2","1") = "6"
    & skf21("7","2","3","7","2","1","3","1") = "6"
    & skf21("7","2","3","7","2","1","4","1") = "6"
    & skf21("7","2","3","7","2","1","5","1") = "6"
    & skf21("7","2","3","7","2","1","6","1") = "6"
    & skf21("7","2","3","7","2","1","7","1") = "6"
    & skf21("7","2","3","7","2","2","1","1") = "6"
    & skf21("7","2","3","7","2","2","2","1") = "6"
    & skf21("7","2","3","7","2","2","3","1") = "6"
    & skf21("7","2","3","7","2","2","4","1") = "6"
    & skf21("7","2","3","7","2","2","5","1") = "6"
    & skf21("7","2","3","7","2","2","6","1") = "6"
    & skf21("7","2","3","7","2","2","7","1") = "6"
    & skf21("7","2","3","7","2","3","1","1") = "6"
    & skf21("7","2","3","7","2","3","2","1") = "6"
    & skf21("7","2","3","7","2","3","3","1") = "6"
    & skf21("7","2","3","7","2","3","4","1") = "6"
    & skf21("7","2","3","7","2","3","5","1") = "6"
    & skf21("7","2","3","7","2","3","6","1") = "6"
    & skf21("7","2","3","7","2","3","7","1") = "6"
    & skf21("7","2","3","7","2","4","1","1") = "6"
    & skf21("7","2","3","7","2","4","2","1") = "6"
    & skf21("7","2","3","7","2","4","3","1") = "6"
    & skf21("7","2","3","7","2","4","4","1") = "6"
    & skf21("7","2","3","7","2","4","5","1") = "6"
    & skf21("7","2","3","7","2","4","6","1") = "6"
    & skf21("7","2","3","7","2","4","7","1") = "6"
    & skf21("7","2","3","7","2","5","1","1") = "6"
    & skf21("7","2","3","7","2","5","2","1") = "6"
    & skf21("7","2","3","7","2","5","3","1") = "6"
    & skf21("7","2","3","7","2","5","4","1") = "6"
    & skf21("7","2","3","7","2","5","5","1") = "6"
    & skf21("7","2","3","7","2","5","6","1") = "6"
    & skf21("7","2","3","7","2","5","7","1") = "6"
    & skf21("7","2","3","7","2","6","1","1") = "6"
    & skf21("7","2","3","7","2","6","2","1") = "6"
    & skf21("7","2","3","7","2","6","3","1") = "6"
    & skf21("7","2","3","7","2","6","4","1") = "6"
    & skf21("7","2","3","7","2","6","5","1") = "6"
    & skf21("7","2","3","7","2","6","6","1") = "6"
    & skf21("7","2","3","7","2","6","7","1") = "6"
    & skf21("7","2","3","7","2","7","1","1") = "6"
    & skf21("7","2","3","7","2","7","2","1") = "6"
    & skf21("7","2","3","7","2","7","3","1") = "6"
    & skf21("7","2","3","7","2","7","4","1") = "6"
    & skf21("7","2","3","7","2","7","5","1") = "6"
    & skf21("7","2","3","7","2","7","6","1") = "6"
    & skf21("7","2","3","7","2","7","7","1") = "6"
    & skf21("7","2","3","7","3","1","1","1") = "6"
    & skf21("7","2","3","7","3","1","2","1") = "6"
    & skf21("7","2","3","7","3","1","3","1") = "6"
    & skf21("7","2","3","7","3","1","4","1") = "6"
    & skf21("7","2","3","7","3","1","5","1") = "6"
    & skf21("7","2","3","7","3","1","6","1") = "6"
    & skf21("7","2","3","7","3","1","7","1") = "6"
    & skf21("7","2","3","7","3","2","1","1") = "6"
    & skf21("7","2","3","7","3","2","2","1") = "6"
    & skf21("7","2","3","7","3","2","3","1") = "6"
    & skf21("7","2","3","7","3","2","4","1") = "6"
    & skf21("7","2","3","7","3","2","5","1") = "6"
    & skf21("7","2","3","7","3","2","6","1") = "6"
    & skf21("7","2","3","7","3","2","7","1") = "6"
    & skf21("7","2","3","7","3","3","1","1") = "6"
    & skf21("7","2","3","7","3","3","2","1") = "6"
    & skf21("7","2","3","7","3","3","3","1") = "6"
    & skf21("7","2","3","7","3","3","4","1") = "6"
    & skf21("7","2","3","7","3","3","5","1") = "6"
    & skf21("7","2","3","7","3","3","6","1") = "6"
    & skf21("7","2","3","7","3","3","7","1") = "6"
    & skf21("7","2","3","7","3","4","1","1") = "6"
    & skf21("7","2","3","7","3","4","2","1") = "6"
    & skf21("7","2","3","7","3","4","3","1") = "6"
    & skf21("7","2","3","7","3","4","4","1") = "6"
    & skf21("7","2","3","7","3","4","5","1") = "6"
    & skf21("7","2","3","7","3","4","6","1") = "6"
    & skf21("7","2","3","7","3","4","7","1") = "6"
    & skf21("7","2","3","7","3","5","1","1") = "6"
    & skf21("7","2","3","7","3","5","2","1") = "6"
    & skf21("7","2","3","7","3","5","3","1") = "6"
    & skf21("7","2","3","7","3","5","4","1") = "6"
    & skf21("7","2","3","7","3","5","5","1") = "6"
    & skf21("7","2","3","7","3","5","6","1") = "6"
    & skf21("7","2","3","7","3","5","7","1") = "6"
    & skf21("7","2","3","7","3","6","1","1") = "6"
    & skf21("7","2","3","7","3","6","2","1") = "6"
    & skf21("7","2","3","7","3","6","3","1") = "6"
    & skf21("7","2","3","7","3","6","4","1") = "6"
    & skf21("7","2","3","7","3","6","5","1") = "6"
    & skf21("7","2","3","7","3","6","6","1") = "6"
    & skf21("7","2","3","7","3","6","7","1") = "6"
    & skf21("7","2","3","7","3","7","1","1") = "6"
    & skf21("7","2","3","7","3","7","2","1") = "6"
    & skf21("7","2","3","7","3","7","3","1") = "6"
    & skf21("7","2","3","7","3","7","4","1") = "6"
    & skf21("7","2","3","7","3","7","5","1") = "6"
    & skf21("7","2","3","7","3","7","6","1") = "6"
    & skf21("7","2","3","7","3","7","7","1") = "6"
    & skf21("7","2","3","7","4","1","1","1") = "6"
    & skf21("7","2","3","7","4","1","2","1") = "6"
    & skf21("7","2","3","7","4","1","3","1") = "6"
    & skf21("7","2","3","7","4","1","4","1") = "6"
    & skf21("7","2","3","7","4","1","5","1") = "6"
    & skf21("7","2","3","7","4","1","6","1") = "6"
    & skf21("7","2","3","7","4","1","7","1") = "6"
    & skf21("7","2","3","7","4","2","1","1") = "6"
    & skf21("7","2","3","7","4","2","2","1") = "6"
    & skf21("7","2","3","7","4","2","3","1") = "6"
    & skf21("7","2","3","7","4","2","4","1") = "6"
    & skf21("7","2","3","7","4","2","5","1") = "6"
    & skf21("7","2","3","7","4","2","6","1") = "6"
    & skf21("7","2","3","7","4","2","7","1") = "6"
    & skf21("7","2","3","7","4","3","1","1") = "6"
    & skf21("7","2","3","7","4","3","2","1") = "6"
    & skf21("7","2","3","7","4","3","3","1") = "6"
    & skf21("7","2","3","7","4","3","4","1") = "6"
    & skf21("7","2","3","7","4","3","5","1") = "6"
    & skf21("7","2","3","7","4","3","6","1") = "6"
    & skf21("7","2","3","7","4","3","7","1") = "6"
    & skf21("7","2","3","7","4","4","1","1") = "6"
    & skf21("7","2","3","7","4","4","2","1") = "6"
    & skf21("7","2","3","7","4","4","3","1") = "6"
    & skf21("7","2","3","7","4","4","4","1") = "6"
    & skf21("7","2","3","7","4","4","5","1") = "6"
    & skf21("7","2","3","7","4","4","6","1") = "6"
    & skf21("7","2","3","7","4","4","7","1") = "6"
    & skf21("7","2","3","7","4","5","1","1") = "6"
    & skf21("7","2","3","7","4","5","2","1") = "6"
    & skf21("7","2","3","7","4","5","3","1") = "6"
    & skf21("7","2","3","7","4","5","4","1") = "6"
    & skf21("7","2","3","7","4","5","5","1") = "6"
    & skf21("7","2","3","7","4","5","6","1") = "6"
    & skf21("7","2","3","7","4","5","7","1") = "6"
    & skf21("7","2","3","7","4","6","1","1") = "6"
    & skf21("7","2","3","7","4","6","2","1") = "6"
    & skf21("7","2","3","7","4","6","3","1") = "6"
    & skf21("7","2","3","7","4","6","4","1") = "6"
    & skf21("7","2","3","7","4","6","5","1") = "6"
    & skf21("7","2","3","7","4","6","6","1") = "6"
    & skf21("7","2","3","7","4","6","7","1") = "6"
    & skf21("7","2","3","7","4","7","1","1") = "6"
    & skf21("7","2","3","7","4","7","2","1") = "6"
    & skf21("7","2","3","7","4","7","3","1") = "6"
    & skf21("7","2","3","7","4","7","4","1") = "6"
    & skf21("7","2","3","7","4","7","5","1") = "6"
    & skf21("7","2","3","7","4","7","6","1") = "6"
    & skf21("7","2","3","7","4","7","7","1") = "6"
    & skf21("7","2","3","7","5","1","1","1") = "6"
    & skf21("7","2","3","7","5","1","2","1") = "6"
    & skf21("7","2","3","7","5","1","3","1") = "6"
    & skf21("7","2","3","7","5","1","4","1") = "6"
    & skf21("7","2","3","7","5","1","5","1") = "6"
    & skf21("7","2","3","7","5","1","6","1") = "6"
    & skf21("7","2","3","7","5","1","7","1") = "6"
    & skf21("7","2","3","7","5","2","1","1") = "6"
    & skf21("7","2","3","7","5","2","2","1") = "6"
    & skf21("7","2","3","7","5","2","3","1") = "6"
    & skf21("7","2","3","7","5","2","4","1") = "6"
    & skf21("7","2","3","7","5","2","5","1") = "6"
    & skf21("7","2","3","7","5","2","6","1") = "6"
    & skf21("7","2","3","7","5","2","7","1") = "6"
    & skf21("7","2","3","7","5","3","1","1") = "6"
    & skf21("7","2","3","7","5","3","2","1") = "6"
    & skf21("7","2","3","7","5","3","3","1") = "6"
    & skf21("7","2","3","7","5","3","4","1") = "6"
    & skf21("7","2","3","7","5","3","5","1") = "6"
    & skf21("7","2","3","7","5","3","6","1") = "6"
    & skf21("7","2","3","7","5","3","7","1") = "6"
    & skf21("7","2","3","7","5","4","1","1") = "6"
    & skf21("7","2","3","7","5","4","2","1") = "6"
    & skf21("7","2","3","7","5","4","3","1") = "6"
    & skf21("7","2","3","7","5","4","4","1") = "6"
    & skf21("7","2","3","7","5","4","5","1") = "6"
    & skf21("7","2","3","7","5","4","6","1") = "6"
    & skf21("7","2","3","7","5","4","7","1") = "6"
    & skf21("7","2","3","7","5","5","1","1") = "6"
    & skf21("7","2","3","7","5","5","2","1") = "6"
    & skf21("7","2","3","7","5","5","3","1") = "6"
    & skf21("7","2","3","7","5","5","4","1") = "6"
    & skf21("7","2","3","7","5","5","5","1") = "6"
    & skf21("7","2","3","7","5","5","6","1") = "6"
    & skf21("7","2","3","7","5","5","7","1") = "6"
    & skf21("7","2","3","7","5","6","1","1") = "6"
    & skf21("7","2","3","7","5","6","2","1") = "6"
    & skf21("7","2","3","7","5","6","3","1") = "6"
    & skf21("7","2","3","7","5","6","4","1") = "6"
    & skf21("7","2","3","7","5","6","5","1") = "6"
    & skf21("7","2","3","7","5","6","6","1") = "6"
    & skf21("7","2","3","7","5","6","7","1") = "6"
    & skf21("7","2","3","7","5","7","1","1") = "6"
    & skf21("7","2","3","7","5","7","2","1") = "6"
    & skf21("7","2","3","7","5","7","3","1") = "6"
    & skf21("7","2","3","7","5","7","4","1") = "6"
    & skf21("7","2","3","7","5","7","5","1") = "6"
    & skf21("7","2","3","7","5","7","6","1") = "6"
    & skf21("7","2","3","7","5","7","7","1") = "6"
    & skf21("7","2","3","7","6","1","1","1") = "6"
    & skf21("7","2","3","7","6","1","2","1") = "6"
    & skf21("7","2","3","7","6","1","3","1") = "6"
    & skf21("7","2","3","7","6","1","4","1") = "6"
    & skf21("7","2","3","7","6","1","5","1") = "6"
    & skf21("7","2","3","7","6","1","6","1") = "6"
    & skf21("7","2","3","7","6","1","7","1") = "6"
    & skf21("7","2","3","7","6","2","1","1") = "6"
    & skf21("7","2","3","7","6","2","2","1") = "6"
    & skf21("7","2","3","7","6","2","3","1") = "6"
    & skf21("7","2","3","7","6","2","4","1") = "6"
    & skf21("7","2","3","7","6","2","5","1") = "6"
    & skf21("7","2","3","7","6","2","6","1") = "6"
    & skf21("7","2","3","7","6","2","7","1") = "6"
    & skf21("7","2","3","7","6","3","1","1") = "6"
    & skf21("7","2","3","7","6","3","2","1") = "6"
    & skf21("7","2","3","7","6","3","3","1") = "6"
    & skf21("7","2","3","7","6","3","4","1") = "6"
    & skf21("7","2","3","7","6","3","5","1") = "6"
    & skf21("7","2","3","7","6","3","6","1") = "6"
    & skf21("7","2","3","7","6","3","7","1") = "6"
    & skf21("7","2","3","7","6","4","1","1") = "6"
    & skf21("7","2","3","7","6","4","2","1") = "6"
    & skf21("7","2","3","7","6","4","3","1") = "6"
    & skf21("7","2","3","7","6","4","4","1") = "6"
    & skf21("7","2","3","7","6","4","5","1") = "6"
    & skf21("7","2","3","7","6","4","6","1") = "6"
    & skf21("7","2","3","7","6","4","7","1") = "6"
    & skf21("7","2","3","7","6","5","1","1") = "6"
    & skf21("7","2","3","7","6","5","2","1") = "6"
    & skf21("7","2","3","7","6","5","3","1") = "6"
    & skf21("7","2","3","7","6","5","4","1") = "6"
    & skf21("7","2","3","7","6","5","5","1") = "6"
    & skf21("7","2","3","7","6","5","6","1") = "6"
    & skf21("7","2","3","7","6","5","7","1") = "6"
    & skf21("7","2","3","7","6","6","1","1") = "6"
    & skf21("7","2","3","7","6","6","2","1") = "6"
    & skf21("7","2","3","7","6","6","3","1") = "6"
    & skf21("7","2","3","7","6","6","4","1") = "6"
    & skf21("7","2","3","7","6","6","5","1") = "6"
    & skf21("7","2","3","7","6","6","6","1") = "6"
    & skf21("7","2","3","7","6","6","7","1") = "6"
    & skf21("7","2","3","7","6","7","1","1") = "6"
    & skf21("7","2","3","7","6","7","2","1") = "6"
    & skf21("7","2","3","7","6","7","3","1") = "6"
    & skf21("7","2","3","7","6","7","4","1") = "6"
    & skf21("7","2","3","7","6","7","5","1") = "6"
    & skf21("7","2","3","7","6","7","6","1") = "6"
    & skf21("7","2","3","7","6","7","7","1") = "6"
    & skf21("7","2","3","7","7","1","1","1") = "6"
    & skf21("7","2","3","7","7","1","2","1") = "6"
    & skf21("7","2","3","7","7","1","3","1") = "6"
    & skf21("7","2","3","7","7","1","4","1") = "6"
    & skf21("7","2","3","7","7","1","5","1") = "6"
    & skf21("7","2","3","7","7","1","6","1") = "6"
    & skf21("7","2","3","7","7","1","7","1") = "6"
    & skf21("7","2","3","7","7","2","1","1") = "6"
    & skf21("7","2","3","7","7","2","2","1") = "6"
    & skf21("7","2","3","7","7","2","3","1") = "6"
    & skf21("7","2","3","7","7","2","4","1") = "6"
    & skf21("7","2","3","7","7","2","5","1") = "6"
    & skf21("7","2","3","7","7","2","6","1") = "6"
    & skf21("7","2","3","7","7","2","7","1") = "6"
    & skf21("7","2","3","7","7","3","1","1") = "6"
    & skf21("7","2","3","7","7","3","2","1") = "6"
    & skf21("7","2","3","7","7","3","3","1") = "6"
    & skf21("7","2","3","7","7","3","4","1") = "6"
    & skf21("7","2","3","7","7","3","5","1") = "6"
    & skf21("7","2","3","7","7","3","6","1") = "6"
    & skf21("7","2","3","7","7","3","7","1") = "6"
    & skf21("7","2","3","7","7","4","1","1") = "6"
    & skf21("7","2","3","7","7","4","2","1") = "6"
    & skf21("7","2","3","7","7","4","3","1") = "6"
    & skf21("7","2","3","7","7","4","4","1") = "6"
    & skf21("7","2","3","7","7","4","5","1") = "6"
    & skf21("7","2","3","7","7","4","6","1") = "6"
    & skf21("7","2","3","7","7","4","7","1") = "6"
    & skf21("7","2","3","7","7","5","1","1") = "6"
    & skf21("7","2","3","7","7","5","2","1") = "6"
    & skf21("7","2","3","7","7","5","3","1") = "6"
    & skf21("7","2","3","7","7","5","4","1") = "6"
    & skf21("7","2","3","7","7","5","5","1") = "6"
    & skf21("7","2","3","7","7","5","6","1") = "6"
    & skf21("7","2","3","7","7","5","7","1") = "6"
    & skf21("7","2","3","7","7","6","1","1") = "6"
    & skf21("7","2","3","7","7","6","2","1") = "6"
    & skf21("7","2","3","7","7","6","3","1") = "6"
    & skf21("7","2","3","7","7","6","4","1") = "6"
    & skf21("7","2","3","7","7","6","5","1") = "6"
    & skf21("7","2","3","7","7","6","6","1") = "6"
    & skf21("7","2","3","7","7","6","7","1") = "6"
    & skf21("7","2","3","7","7","7","1","1") = "6"
    & skf21("7","2","3","7","7","7","2","1") = "6"
    & skf21("7","2","3","7","7","7","3","1") = "6"
    & skf21("7","2","3","7","7","7","4","1") = "6"
    & skf21("7","2","3","7","7","7","5","1") = "6"
    & skf21("7","2","3","7","7","7","6","1") = "6"
    & skf21("7","2","3","7","7","7","7","1") = "6"
    & skf21("7","2","4","1","1","1","1","1") = "6"
    & skf21("7","2","4","1","1","1","2","1") = "6"
    & skf21("7","2","4","1","1","1","3","1") = "6"
    & skf21("7","2","4","1","1","1","4","1") = "6"
    & skf21("7","2","4","1","1","1","5","1") = "6"
    & skf21("7","2","4","1","1","1","6","1") = "6"
    & skf21("7","2","4","1","1","1","7","1") = "6"
    & skf21("7","2","4","1","1","2","1","1") = "6"
    & skf21("7","2","4","1","1","2","2","1") = "6"
    & skf21("7","2","4","1","1","2","3","1") = "6"
    & skf21("7","2","4","1","1","2","4","1") = "6"
    & skf21("7","2","4","1","1","2","5","1") = "6"
    & skf21("7","2","4","1","1","2","6","1") = "6"
    & skf21("7","2","4","1","1","2","7","1") = "6"
    & skf21("7","2","4","1","1","3","1","1") = "6"
    & skf21("7","2","4","1","1","3","2","1") = "6"
    & skf21("7","2","4","1","1","3","3","1") = "6"
    & skf21("7","2","4","1","1","3","4","1") = "6"
    & skf21("7","2","4","1","1","3","5","1") = "6"
    & skf21("7","2","4","1","1","3","6","1") = "6"
    & skf21("7","2","4","1","1","3","7","1") = "6"
    & skf21("7","2","4","1","1","4","1","1") = "6"
    & skf21("7","2","4","1","1","4","2","1") = "6"
    & skf21("7","2","4","1","1","4","3","1") = "6"
    & skf21("7","2","4","1","1","4","4","1") = "6"
    & skf21("7","2","4","1","1","4","5","1") = "6"
    & skf21("7","2","4","1","1","4","6","1") = "6"
    & skf21("7","2","4","1","1","4","7","1") = "6"
    & skf21("7","2","4","1","1","5","1","1") = "6"
    & skf21("7","2","4","1","1","5","2","1") = "6"
    & skf21("7","2","4","1","1","5","3","1") = "6"
    & skf21("7","2","4","1","1","5","4","1") = "6"
    & skf21("7","2","4","1","1","5","5","1") = "6"
    & skf21("7","2","4","1","1","5","6","1") = "6"
    & skf21("7","2","4","1","1","5","7","1") = "6"
    & skf21("7","2","4","1","1","6","1","1") = "6"
    & skf21("7","2","4","1","1","6","2","1") = "6"
    & skf21("7","2","4","1","1","6","3","1") = "6"
    & skf21("7","2","4","1","1","6","4","1") = "6"
    & skf21("7","2","4","1","1","6","5","1") = "6"
    & skf21("7","2","4","1","1","6","6","1") = "6"
    & skf21("7","2","4","1","1","6","7","1") = "6"
    & skf21("7","2","4","1","1","7","1","1") = "6"
    & skf21("7","2","4","1","1","7","2","1") = "6"
    & skf21("7","2","4","1","1","7","3","1") = "6"
    & skf21("7","2","4","1","1","7","4","1") = "6"
    & skf21("7","2","4","1","1","7","5","1") = "6"
    & skf21("7","2","4","1","1","7","6","1") = "6"
    & skf21("7","2","4","1","1","7","7","1") = "6"
    & skf21("7","2","4","1","2","1","1","1") = "6"
    & skf21("7","2","4","1","2","1","2","1") = "6"
    & skf21("7","2","4","1","2","1","3","1") = "6"
    & skf21("7","2","4","1","2","1","4","1") = "6"
    & skf21("7","2","4","1","2","1","5","1") = "6"
    & skf21("7","2","4","1","2","1","6","1") = "6"
    & skf21("7","2","4","1","2","1","7","1") = "6"
    & skf21("7","2","4","1","2","2","1","1") = "6"
    & skf21("7","2","4","1","2","2","2","1") = "6"
    & skf21("7","2","4","1","2","2","3","1") = "6"
    & skf21("7","2","4","1","2","2","4","1") = "6"
    & skf21("7","2","4","1","2","2","5","1") = "6"
    & skf21("7","2","4","1","2","2","6","1") = "6"
    & skf21("7","2","4","1","2","2","7","1") = "6"
    & skf21("7","2","4","1","2","3","1","1") = "6"
    & skf21("7","2","4","1","2","3","2","1") = "6"
    & skf21("7","2","4","1","2","3","3","1") = "6"
    & skf21("7","2","4","1","2","3","4","1") = "6"
    & skf21("7","2","4","1","2","3","5","1") = "6"
    & skf21("7","2","4","1","2","3","6","1") = "6"
    & skf21("7","2","4","1","2","3","7","1") = "6"
    & skf21("7","2","4","1","2","4","1","1") = "6"
    & skf21("7","2","4","1","2","4","2","1") = "6"
    & skf21("7","2","4","1","2","4","3","1") = "6"
    & skf21("7","2","4","1","2","4","4","1") = "6"
    & skf21("7","2","4","1","2","4","5","1") = "6"
    & skf21("7","2","4","1","2","4","6","1") = "6"
    & skf21("7","2","4","1","2","4","7","1") = "6"
    & skf21("7","2","4","1","2","5","1","1") = "6"
    & skf21("7","2","4","1","2","5","2","1") = "6"
    & skf21("7","2","4","1","2","5","3","1") = "6"
    & skf21("7","2","4","1","2","5","4","1") = "6"
    & skf21("7","2","4","1","2","5","5","1") = "6"
    & skf21("7","2","4","1","2","5","6","1") = "6"
    & skf21("7","2","4","1","2","5","7","1") = "6"
    & skf21("7","2","4","1","2","6","1","1") = "6"
    & skf21("7","2","4","1","2","6","2","1") = "6"
    & skf21("7","2","4","1","2","6","3","1") = "6"
    & skf21("7","2","4","1","2","6","4","1") = "6"
    & skf21("7","2","4","1","2","6","5","1") = "6"
    & skf21("7","2","4","1","2","6","6","1") = "6"
    & skf21("7","2","4","1","2","6","7","1") = "6"
    & skf21("7","2","4","1","2","7","1","1") = "6"
    & skf21("7","2","4","1","2","7","2","1") = "6"
    & skf21("7","2","4","1","2","7","3","1") = "6"
    & skf21("7","2","4","1","2","7","4","1") = "6"
    & skf21("7","2","4","1","2","7","5","1") = "6"
    & skf21("7","2","4","1","2","7","6","1") = "6"
    & skf21("7","2","4","1","2","7","7","1") = "6"
    & skf21("7","2","4","1","3","1","1","1") = "6"
    & skf21("7","2","4","1","3","1","2","1") = "6"
    & skf21("7","2","4","1","3","1","3","1") = "6"
    & skf21("7","2","4","1","3","1","4","1") = "6"
    & skf21("7","2","4","1","3","1","5","1") = "6"
    & skf21("7","2","4","1","3","1","6","1") = "6"
    & skf21("7","2","4","1","3","1","7","1") = "6"
    & skf21("7","2","4","1","3","2","1","1") = "6"
    & skf21("7","2","4","1","3","2","2","1") = "6"
    & skf21("7","2","4","1","3","2","3","1") = "6"
    & skf21("7","2","4","1","3","2","4","1") = "6"
    & skf21("7","2","4","1","3","2","5","1") = "6"
    & skf21("7","2","4","1","3","2","6","1") = "6"
    & skf21("7","2","4","1","3","2","7","1") = "6"
    & skf21("7","2","4","1","3","3","1","1") = "6"
    & skf21("7","2","4","1","3","3","2","1") = "6"
    & skf21("7","2","4","1","3","3","3","1") = "6"
    & skf21("7","2","4","1","3","3","4","1") = "6"
    & skf21("7","2","4","1","3","3","5","1") = "6"
    & skf21("7","2","4","1","3","3","6","1") = "6"
    & skf21("7","2","4","1","3","3","7","1") = "6"
    & skf21("7","2","4","1","3","4","1","1") = "6"
    & skf21("7","2","4","1","3","4","2","1") = "6"
    & skf21("7","2","4","1","3","4","3","1") = "6"
    & skf21("7","2","4","1","3","4","4","1") = "6"
    & skf21("7","2","4","1","3","4","5","1") = "6"
    & skf21("7","2","4","1","3","4","6","1") = "6"
    & skf21("7","2","4","1","3","4","7","1") = "6"
    & skf21("7","2","4","1","3","5","1","1") = "6"
    & skf21("7","2","4","1","3","5","2","1") = "6"
    & skf21("7","2","4","1","3","5","3","1") = "6"
    & skf21("7","2","4","1","3","5","4","1") = "6"
    & skf21("7","2","4","1","3","5","5","1") = "6"
    & skf21("7","2","4","1","3","5","6","1") = "6"
    & skf21("7","2","4","1","3","5","7","1") = "6"
    & skf21("7","2","4","1","3","6","1","1") = "6"
    & skf21("7","2","4","1","3","6","2","1") = "6"
    & skf21("7","2","4","1","3","6","3","1") = "6"
    & skf21("7","2","4","1","3","6","4","1") = "6"
    & skf21("7","2","4","1","3","6","5","1") = "6"
    & skf21("7","2","4","1","3","6","6","1") = "6"
    & skf21("7","2","4","1","3","6","7","1") = "6"
    & skf21("7","2","4","1","3","7","1","1") = "6"
    & skf21("7","2","4","1","3","7","2","1") = "6"
    & skf21("7","2","4","1","3","7","3","1") = "6"
    & skf21("7","2","4","1","3","7","4","1") = "6"
    & skf21("7","2","4","1","3","7","5","1") = "6"
    & skf21("7","2","4","1","3","7","6","1") = "6"
    & skf21("7","2","4","1","3","7","7","1") = "6"
    & skf21("7","2","4","1","4","1","1","1") = "6"
    & skf21("7","2","4","1","4","1","2","1") = "6"
    & skf21("7","2","4","1","4","1","3","1") = "6"
    & skf21("7","2","4","1","4","1","4","1") = "6"
    & skf21("7","2","4","1","4","1","5","1") = "6"
    & skf21("7","2","4","1","4","1","6","1") = "6"
    & skf21("7","2","4","1","4","1","7","1") = "6"
    & skf21("7","2","4","1","4","2","1","1") = "6"
    & skf21("7","2","4","1","4","2","2","1") = "6"
    & skf21("7","2","4","1","4","2","3","1") = "6"
    & skf21("7","2","4","1","4","2","4","1") = "6"
    & skf21("7","2","4","1","4","2","5","1") = "6"
    & skf21("7","2","4","1","4","2","6","1") = "6"
    & skf21("7","2","4","1","4","2","7","1") = "6"
    & skf21("7","2","4","1","4","3","1","1") = "6"
    & skf21("7","2","4","1","4","3","2","1") = "6"
    & skf21("7","2","4","1","4","3","3","1") = "6"
    & skf21("7","2","4","1","4","3","4","1") = "6"
    & skf21("7","2","4","1","4","3","5","1") = "6"
    & skf21("7","2","4","1","4","3","6","1") = "6"
    & skf21("7","2","4","1","4","3","7","1") = "6"
    & skf21("7","2","4","1","4","4","1","1") = "6"
    & skf21("7","2","4","1","4","4","2","1") = "6"
    & skf21("7","2","4","1","4","4","3","1") = "6"
    & skf21("7","2","4","1","4","4","4","1") = "6"
    & skf21("7","2","4","1","4","4","5","1") = "6"
    & skf21("7","2","4","1","4","4","6","1") = "6"
    & skf21("7","2","4","1","4","4","7","1") = "6"
    & skf21("7","2","4","1","4","5","1","1") = "6"
    & skf21("7","2","4","1","4","5","2","1") = "6"
    & skf21("7","2","4","1","4","5","3","1") = "6"
    & skf21("7","2","4","1","4","5","4","1") = "6"
    & skf21("7","2","4","1","4","5","5","1") = "6"
    & skf21("7","2","4","1","4","5","6","1") = "6"
    & skf21("7","2","4","1","4","5","7","1") = "6"
    & skf21("7","2","4","1","4","6","1","1") = "6"
    & skf21("7","2","4","1","4","6","2","1") = "6"
    & skf21("7","2","4","1","4","6","3","1") = "6"
    & skf21("7","2","4","1","4","6","4","1") = "6"
    & skf21("7","2","4","1","4","6","5","1") = "6"
    & skf21("7","2","4","1","4","6","6","1") = "6"
    & skf21("7","2","4","1","4","6","7","1") = "6"
    & skf21("7","2","4","1","4","7","1","1") = "6"
    & skf21("7","2","4","1","4","7","2","1") = "6"
    & skf21("7","2","4","1","4","7","3","1") = "6"
    & skf21("7","2","4","1","4","7","4","1") = "6"
    & skf21("7","2","4","1","4","7","5","1") = "6"
    & skf21("7","2","4","1","4","7","6","1") = "6"
    & skf21("7","2","4","1","4","7","7","1") = "6"
    & skf21("7","2","4","1","5","1","1","1") = "6"
    & skf21("7","2","4","1","5","1","2","1") = "6"
    & skf21("7","2","4","1","5","1","3","1") = "6"
    & skf21("7","2","4","1","5","1","4","1") = "6"
    & skf21("7","2","4","1","5","1","5","1") = "6"
    & skf21("7","2","4","1","5","1","6","1") = "6"
    & skf21("7","2","4","1","5","1","7","1") = "6"
    & skf21("7","2","4","1","5","2","1","1") = "6"
    & skf21("7","2","4","1","5","2","2","1") = "6"
    & skf21("7","2","4","1","5","2","3","1") = "6"
    & skf21("7","2","4","1","5","2","4","1") = "6"
    & skf21("7","2","4","1","5","2","5","1") = "6"
    & skf21("7","2","4","1","5","2","6","1") = "6"
    & skf21("7","2","4","1","5","2","7","1") = "6"
    & skf21("7","2","4","1","5","3","1","1") = "6"
    & skf21("7","2","4","1","5","3","2","1") = "6"
    & skf21("7","2","4","1","5","3","3","1") = "6"
    & skf21("7","2","4","1","5","3","4","1") = "6"
    & skf21("7","2","4","1","5","3","5","1") = "6"
    & skf21("7","2","4","1","5","3","6","1") = "6"
    & skf21("7","2","4","1","5","3","7","1") = "6"
    & skf21("7","2","4","1","5","4","1","1") = "6"
    & skf21("7","2","4","1","5","4","2","1") = "6"
    & skf21("7","2","4","1","5","4","3","1") = "6"
    & skf21("7","2","4","1","5","4","4","1") = "6"
    & skf21("7","2","4","1","5","4","5","1") = "6"
    & skf21("7","2","4","1","5","4","6","1") = "6"
    & skf21("7","2","4","1","5","4","7","1") = "6"
    & skf21("7","2","4","1","5","5","1","1") = "6"
    & skf21("7","2","4","1","5","5","2","1") = "6"
    & skf21("7","2","4","1","5","5","3","1") = "6"
    & skf21("7","2","4","1","5","5","4","1") = "6"
    & skf21("7","2","4","1","5","5","5","1") = "6"
    & skf21("7","2","4","1","5","5","6","1") = "6"
    & skf21("7","2","4","1","5","5","7","1") = "6"
    & skf21("7","2","4","1","5","6","1","1") = "6"
    & skf21("7","2","4","1","5","6","2","1") = "6"
    & skf21("7","2","4","1","5","6","3","1") = "6"
    & skf21("7","2","4","1","5","6","4","1") = "6"
    & skf21("7","2","4","1","5","6","5","1") = "6"
    & skf21("7","2","4","1","5","6","6","1") = "6"
    & skf21("7","2","4","1","5","6","7","1") = "6"
    & skf21("7","2","4","1","5","7","1","1") = "6"
    & skf21("7","2","4","1","5","7","2","1") = "6"
    & skf21("7","2","4","1","5","7","3","1") = "6"
    & skf21("7","2","4","1","5","7","4","1") = "6"
    & skf21("7","2","4","1","5","7","5","1") = "6"
    & skf21("7","2","4","1","5","7","6","1") = "6"
    & skf21("7","2","4","1","5","7","7","1") = "6"
    & skf21("7","2","4","1","6","1","1","1") = "6"
    & skf21("7","2","4","1","6","1","2","1") = "6"
    & skf21("7","2","4","1","6","1","3","1") = "6"
    & skf21("7","2","4","1","6","1","4","1") = "6"
    & skf21("7","2","4","1","6","1","5","1") = "6"
    & skf21("7","2","4","1","6","1","6","1") = "6"
    & skf21("7","2","4","1","6","1","7","1") = "6"
    & skf21("7","2","4","1","6","2","1","1") = "6"
    & skf21("7","2","4","1","6","2","2","1") = "6"
    & skf21("7","2","4","1","6","2","3","1") = "6"
    & skf21("7","2","4","1","6","2","4","1") = "6"
    & skf21("7","2","4","1","6","2","5","1") = "6"
    & skf21("7","2","4","1","6","2","6","1") = "6"
    & skf21("7","2","4","1","6","2","7","1") = "6"
    & skf21("7","2","4","1","6","3","1","1") = "6"
    & skf21("7","2","4","1","6","3","2","1") = "6"
    & skf21("7","2","4","1","6","3","3","1") = "6"
    & skf21("7","2","4","1","6","3","4","1") = "6"
    & skf21("7","2","4","1","6","3","5","1") = "6"
    & skf21("7","2","4","1","6","3","6","1") = "6"
    & skf21("7","2","4","1","6","3","7","1") = "6"
    & skf21("7","2","4","1","6","4","1","1") = "6"
    & skf21("7","2","4","1","6","4","2","1") = "6"
    & skf21("7","2","4","1","6","4","3","1") = "6"
    & skf21("7","2","4","1","6","4","4","1") = "6"
    & skf21("7","2","4","1","6","4","5","1") = "6"
    & skf21("7","2","4","1","6","4","6","1") = "6"
    & skf21("7","2","4","1","6","4","7","1") = "6"
    & skf21("7","2","4","1","6","5","1","1") = "6"
    & skf21("7","2","4","1","6","5","2","1") = "6"
    & skf21("7","2","4","1","6","5","3","1") = "6"
    & skf21("7","2","4","1","6","5","4","1") = "6"
    & skf21("7","2","4","1","6","5","5","1") = "6"
    & skf21("7","2","4","1","6","5","6","1") = "6"
    & skf21("7","2","4","1","6","5","7","1") = "6"
    & skf21("7","2","4","1","6","6","1","1") = "6"
    & skf21("7","2","4","1","6","6","2","1") = "6"
    & skf21("7","2","4","1","6","6","3","1") = "6"
    & skf21("7","2","4","1","6","6","4","1") = "6"
    & skf21("7","2","4","1","6","6","5","1") = "6"
    & skf21("7","2","4","1","6","6","6","1") = "6"
    & skf21("7","2","4","1","6","6","7","1") = "6"
    & skf21("7","2","4","1","6","7","1","1") = "6"
    & skf21("7","2","4","1","6","7","2","1") = "6"
    & skf21("7","2","4","1","6","7","3","1") = "6"
    & skf21("7","2","4","1","6","7","4","1") = "6"
    & skf21("7","2","4","1","6","7","5","1") = "6"
    & skf21("7","2","4","1","6","7","6","1") = "6"
    & skf21("7","2","4","1","6","7","7","1") = "6"
    & skf21("7","2","4","1","7","1","1","1") = "6"
    & skf21("7","2","4","1","7","1","2","1") = "6"
    & skf21("7","2","4","1","7","1","3","1") = "6"
    & skf21("7","2","4","1","7","1","4","1") = "6"
    & skf21("7","2","4","1","7","1","5","1") = "6"
    & skf21("7","2","4","1","7","1","6","1") = "6"
    & skf21("7","2","4","1","7","1","7","1") = "6"
    & skf21("7","2","4","1","7","2","1","1") = "6"
    & skf21("7","2","4","1","7","2","2","1") = "6"
    & skf21("7","2","4","1","7","2","3","1") = "6"
    & skf21("7","2","4","1","7","2","4","1") = "6"
    & skf21("7","2","4","1","7","2","5","1") = "6"
    & skf21("7","2","4","1","7","2","6","1") = "6"
    & skf21("7","2","4","1","7","2","7","1") = "6"
    & skf21("7","2","4","1","7","3","1","1") = "6"
    & skf21("7","2","4","1","7","3","2","1") = "6"
    & skf21("7","2","4","1","7","3","3","1") = "6"
    & skf21("7","2","4","1","7","3","4","1") = "6"
    & skf21("7","2","4","1","7","3","5","1") = "6"
    & skf21("7","2","4","1","7","3","6","1") = "6"
    & skf21("7","2","4","1","7","3","7","1") = "6"
    & skf21("7","2","4","1","7","4","1","1") = "6"
    & skf21("7","2","4","1","7","4","2","1") = "6"
    & skf21("7","2","4","1","7","4","3","1") = "6"
    & skf21("7","2","4","1","7","4","4","1") = "6"
    & skf21("7","2","4","1","7","4","5","1") = "6"
    & skf21("7","2","4","1","7","4","6","1") = "6"
    & skf21("7","2","4","1","7","4","7","1") = "6"
    & skf21("7","2","4","1","7","5","1","1") = "6"
    & skf21("7","2","4","1","7","5","2","1") = "6"
    & skf21("7","2","4","1","7","5","3","1") = "6"
    & skf21("7","2","4","1","7","5","4","1") = "6"
    & skf21("7","2","4","1","7","5","5","1") = "6"
    & skf21("7","2","4","1","7","5","6","1") = "6"
    & skf21("7","2","4","1","7","5","7","1") = "6"
    & skf21("7","2","4","1","7","6","1","1") = "6"
    & skf21("7","2","4","1","7","6","2","1") = "6"
    & skf21("7","2","4","1","7","6","3","1") = "6"
    & skf21("7","2","4","1","7","6","4","1") = "6"
    & skf21("7","2","4","1","7","6","5","1") = "6"
    & skf21("7","2","4","1","7","6","6","1") = "6"
    & skf21("7","2","4","1","7","6","7","1") = "6"
    & skf21("7","2","4","1","7","7","1","1") = "6"
    & skf21("7","2","4","1","7","7","2","1") = "6"
    & skf21("7","2","4","1","7","7","3","1") = "6"
    & skf21("7","2","4","1","7","7","4","1") = "6"
    & skf21("7","2","4","1","7","7","5","1") = "6"
    & skf21("7","2","4","1","7","7","6","1") = "6"
    & skf21("7","2","4","1","7","7","7","1") = "6"
    & skf21("7","2","4","2","1","1","1","1") = "6"
    & skf21("7","2","4","2","1","1","2","1") = "6"
    & skf21("7","2","4","2","1","1","3","1") = "6"
    & skf21("7","2","4","2","1","1","4","1") = "6"
    & skf21("7","2","4","2","1","1","5","1") = "6"
    & skf21("7","2","4","2","1","1","6","1") = "6"
    & skf21("7","2","4","2","1","1","7","1") = "6"
    & skf21("7","2","4","2","1","2","1","1") = "6"
    & skf21("7","2","4","2","1","2","2","1") = "6"
    & skf21("7","2","4","2","1","2","3","1") = "6"
    & skf21("7","2","4","2","1","2","4","1") = "6"
    & skf21("7","2","4","2","1","2","5","1") = "6"
    & skf21("7","2","4","2","1","2","6","1") = "6"
    & skf21("7","2","4","2","1","2","7","1") = "6"
    & skf21("7","2","4","2","1","3","1","1") = "6"
    & skf21("7","2","4","2","1","3","2","1") = "6"
    & skf21("7","2","4","2","1","3","3","1") = "6"
    & skf21("7","2","4","2","1","3","4","1") = "6"
    & skf21("7","2","4","2","1","3","5","1") = "6"
    & skf21("7","2","4","2","1","3","6","1") = "6"
    & skf21("7","2","4","2","1","3","7","1") = "6"
    & skf21("7","2","4","2","1","4","1","1") = "6"
    & skf21("7","2","4","2","1","4","2","1") = "6"
    & skf21("7","2","4","2","1","4","3","1") = "6"
    & skf21("7","2","4","2","1","4","4","1") = "6"
    & skf21("7","2","4","2","1","4","5","1") = "6"
    & skf21("7","2","4","2","1","4","6","1") = "6"
    & skf21("7","2","4","2","1","4","7","1") = "6"
    & skf21("7","2","4","2","1","5","1","1") = "6"
    & skf21("7","2","4","2","1","5","2","1") = "6"
    & skf21("7","2","4","2","1","5","3","1") = "6"
    & skf21("7","2","4","2","1","5","4","1") = "6"
    & skf21("7","2","4","2","1","5","5","1") = "6"
    & skf21("7","2","4","2","1","5","6","1") = "6"
    & skf21("7","2","4","2","1","5","7","1") = "6"
    & skf21("7","2","4","2","1","6","1","1") = "6"
    & skf21("7","2","4","2","1","6","2","1") = "6"
    & skf21("7","2","4","2","1","6","3","1") = "6"
    & skf21("7","2","4","2","1","6","4","1") = "6"
    & skf21("7","2","4","2","1","6","5","1") = "6"
    & skf21("7","2","4","2","1","6","6","1") = "6"
    & skf21("7","2","4","2","1","6","7","1") = "6"
    & skf21("7","2","4","2","1","7","1","1") = "6"
    & skf21("7","2","4","2","1","7","2","1") = "6"
    & skf21("7","2","4","2","1","7","3","1") = "6"
    & skf21("7","2","4","2","1","7","4","1") = "6"
    & skf21("7","2","4","2","1","7","5","1") = "6"
    & skf21("7","2","4","2","1","7","6","1") = "6"
    & skf21("7","2","4","2","1","7","7","1") = "6"
    & skf21("7","2","4","2","2","1","1","1") = "6"
    & skf21("7","2","4","2","2","1","2","1") = "6"
    & skf21("7","2","4","2","2","1","3","1") = "6"
    & skf21("7","2","4","2","2","1","4","1") = "6"
    & skf21("7","2","4","2","2","1","5","1") = "6"
    & skf21("7","2","4","2","2","1","6","1") = "6"
    & skf21("7","2","4","2","2","1","7","1") = "6"
    & skf21("7","2","4","2","2","2","1","1") = "6"
    & skf21("7","2","4","2","2","2","2","1") = "6"
    & skf21("7","2","4","2","2","2","3","1") = "6"
    & skf21("7","2","4","2","2","2","4","1") = "6"
    & skf21("7","2","4","2","2","2","5","1") = "6"
    & skf21("7","2","4","2","2","2","6","1") = "6"
    & skf21("7","2","4","2","2","2","7","1") = "6"
    & skf21("7","2","4","2","2","3","1","1") = "6"
    & skf21("7","2","4","2","2","3","2","1") = "6"
    & skf21("7","2","4","2","2","3","3","1") = "6"
    & skf21("7","2","4","2","2","3","4","1") = "6"
    & skf21("7","2","4","2","2","3","5","1") = "6"
    & skf21("7","2","4","2","2","3","6","1") = "6"
    & skf21("7","2","4","2","2","3","7","1") = "6"
    & skf21("7","2","4","2","2","4","1","1") = "6"
    & skf21("7","2","4","2","2","4","2","1") = "6"
    & skf21("7","2","4","2","2","4","3","1") = "6"
    & skf21("7","2","4","2","2","4","4","1") = "6"
    & skf21("7","2","4","2","2","4","5","1") = "6"
    & skf21("7","2","4","2","2","4","6","1") = "6"
    & skf21("7","2","4","2","2","4","7","1") = "6"
    & skf21("7","2","4","2","2","5","1","1") = "6"
    & skf21("7","2","4","2","2","5","2","1") = "6"
    & skf21("7","2","4","2","2","5","3","1") = "6"
    & skf21("7","2","4","2","2","5","4","1") = "6"
    & skf21("7","2","4","2","2","5","5","1") = "6"
    & skf21("7","2","4","2","2","5","6","1") = "6"
    & skf21("7","2","4","2","2","5","7","1") = "6"
    & skf21("7","2","4","2","2","6","1","1") = "6"
    & skf21("7","2","4","2","2","6","2","1") = "6"
    & skf21("7","2","4","2","2","6","3","1") = "6"
    & skf21("7","2","4","2","2","6","4","1") = "6"
    & skf21("7","2","4","2","2","6","5","1") = "6"
    & skf21("7","2","4","2","2","6","6","1") = "6"
    & skf21("7","2","4","2","2","6","7","1") = "6"
    & skf21("7","2","4","2","2","7","1","1") = "6"
    & skf21("7","2","4","2","2","7","2","1") = "6"
    & skf21("7","2","4","2","2","7","3","1") = "6"
    & skf21("7","2","4","2","2","7","4","1") = "6"
    & skf21("7","2","4","2","2","7","5","1") = "6"
    & skf21("7","2","4","2","2","7","6","1") = "6"
    & skf21("7","2","4","2","2","7","7","1") = "6"
    & skf21("7","2","4","2","3","1","1","1") = "6"
    & skf21("7","2","4","2","3","1","2","1") = "6"
    & skf21("7","2","4","2","3","1","3","1") = "6"
    & skf21("7","2","4","2","3","1","4","1") = "6"
    & skf21("7","2","4","2","3","1","5","1") = "6"
    & skf21("7","2","4","2","3","1","6","1") = "6"
    & skf21("7","2","4","2","3","1","7","1") = "6"
    & skf21("7","2","4","2","3","2","1","1") = "6"
    & skf21("7","2","4","2","3","2","2","1") = "6"
    & skf21("7","2","4","2","3","2","3","1") = "6"
    & skf21("7","2","4","2","3","2","4","1") = "6"
    & skf21("7","2","4","2","3","2","5","1") = "6"
    & skf21("7","2","4","2","3","2","6","1") = "6"
    & skf21("7","2","4","2","3","2","7","1") = "6"
    & skf21("7","2","4","2","3","3","1","1") = "6"
    & skf21("7","2","4","2","3","3","2","1") = "6"
    & skf21("7","2","4","2","3","3","3","1") = "6"
    & skf21("7","2","4","2","3","3","4","1") = "6"
    & skf21("7","2","4","2","3","3","5","1") = "6"
    & skf21("7","2","4","2","3","3","6","1") = "6"
    & skf21("7","2","4","2","3","3","7","1") = "6"
    & skf21("7","2","4","2","3","4","1","1") = "6"
    & skf21("7","2","4","2","3","4","2","1") = "6"
    & skf21("7","2","4","2","3","4","3","1") = "6"
    & skf21("7","2","4","2","3","4","4","1") = "6"
    & skf21("7","2","4","2","3","4","5","1") = "6"
    & skf21("7","2","4","2","3","4","6","1") = "6"
    & skf21("7","2","4","2","3","4","7","1") = "6"
    & skf21("7","2","4","2","3","5","1","1") = "6"
    & skf21("7","2","4","2","3","5","2","1") = "6"
    & skf21("7","2","4","2","3","5","3","1") = "6"
    & skf21("7","2","4","2","3","5","4","1") = "6"
    & skf21("7","2","4","2","3","5","5","1") = "6"
    & skf21("7","2","4","2","3","5","6","1") = "6"
    & skf21("7","2","4","2","3","5","7","1") = "6"
    & skf21("7","2","4","2","3","6","1","1") = "6"
    & skf21("7","2","4","2","3","6","2","1") = "6"
    & skf21("7","2","4","2","3","6","3","1") = "6"
    & skf21("7","2","4","2","3","6","4","1") = "6"
    & skf21("7","2","4","2","3","6","5","1") = "6"
    & skf21("7","2","4","2","3","6","6","1") = "6"
    & skf21("7","2","4","2","3","6","7","1") = "6"
    & skf21("7","2","4","2","3","7","1","1") = "6"
    & skf21("7","2","4","2","3","7","2","1") = "6"
    & skf21("7","2","4","2","3","7","3","1") = "6"
    & skf21("7","2","4","2","3","7","4","1") = "6"
    & skf21("7","2","4","2","3","7","5","1") = "6"
    & skf21("7","2","4","2","3","7","6","1") = "6"
    & skf21("7","2","4","2","3","7","7","1") = "6"
    & skf21("7","2","4","2","4","1","1","1") = "6"
    & skf21("7","2","4","2","4","1","2","1") = "6"
    & skf21("7","2","4","2","4","1","3","1") = "6"
    & skf21("7","2","4","2","4","1","4","1") = "6"
    & skf21("7","2","4","2","4","1","5","1") = "6"
    & skf21("7","2","4","2","4","1","6","1") = "6"
    & skf21("7","2","4","2","4","1","7","1") = "6"
    & skf21("7","2","4","2","4","2","1","1") = "6"
    & skf21("7","2","4","2","4","2","2","1") = "6"
    & skf21("7","2","4","2","4","2","3","1") = "6"
    & skf21("7","2","4","2","4","2","4","1") = "6"
    & skf21("7","2","4","2","4","2","5","1") = "6"
    & skf21("7","2","4","2","4","2","6","1") = "6"
    & skf21("7","2","4","2","4","2","7","1") = "6"
    & skf21("7","2","4","2","4","3","1","1") = "6"
    & skf21("7","2","4","2","4","3","2","1") = "6"
    & skf21("7","2","4","2","4","3","3","1") = "6"
    & skf21("7","2","4","2","4","3","4","1") = "6"
    & skf21("7","2","4","2","4","3","5","1") = "6"
    & skf21("7","2","4","2","4","3","6","1") = "6"
    & skf21("7","2","4","2","4","3","7","1") = "6"
    & skf21("7","2","4","2","4","4","1","1") = "6"
    & skf21("7","2","4","2","4","4","2","1") = "6"
    & skf21("7","2","4","2","4","4","3","1") = "6"
    & skf21("7","2","4","2","4","4","4","1") = "6"
    & skf21("7","2","4","2","4","4","5","1") = "6"
    & skf21("7","2","4","2","4","4","6","1") = "6"
    & skf21("7","2","4","2","4","4","7","1") = "6"
    & skf21("7","2","4","2","4","5","1","1") = "6"
    & skf21("7","2","4","2","4","5","2","1") = "6"
    & skf21("7","2","4","2","4","5","3","1") = "6"
    & skf21("7","2","4","2","4","5","4","1") = "6"
    & skf21("7","2","4","2","4","5","5","1") = "6"
    & skf21("7","2","4","2","4","5","6","1") = "6"
    & skf21("7","2","4","2","4","5","7","1") = "6"
    & skf21("7","2","4","2","4","6","1","1") = "6"
    & skf21("7","2","4","2","4","6","2","1") = "6"
    & skf21("7","2","4","2","4","6","3","1") = "6"
    & skf21("7","2","4","2","4","6","4","1") = "6"
    & skf21("7","2","4","2","4","6","5","1") = "6"
    & skf21("7","2","4","2","4","6","6","1") = "6"
    & skf21("7","2","4","2","4","6","7","1") = "6"
    & skf21("7","2","4","2","4","7","1","1") = "6"
    & skf21("7","2","4","2","4","7","2","1") = "6"
    & skf21("7","2","4","2","4","7","3","1") = "6"
    & skf21("7","2","4","2","4","7","4","1") = "6"
    & skf21("7","2","4","2","4","7","5","1") = "6"
    & skf21("7","2","4","2","4","7","6","1") = "6"
    & skf21("7","2","4","2","4","7","7","1") = "6"
    & skf21("7","2","4","2","5","1","1","1") = "6"
    & skf21("7","2","4","2","5","1","2","1") = "6"
    & skf21("7","2","4","2","5","1","3","1") = "6"
    & skf21("7","2","4","2","5","1","4","1") = "6"
    & skf21("7","2","4","2","5","1","5","1") = "6"
    & skf21("7","2","4","2","5","1","6","1") = "6"
    & skf21("7","2","4","2","5","1","7","1") = "6"
    & skf21("7","2","4","2","5","2","1","1") = "6"
    & skf21("7","2","4","2","5","2","2","1") = "6"
    & skf21("7","2","4","2","5","2","3","1") = "6"
    & skf21("7","2","4","2","5","2","4","1") = "6"
    & skf21("7","2","4","2","5","2","5","1") = "6"
    & skf21("7","2","4","2","5","2","6","1") = "6"
    & skf21("7","2","4","2","5","2","7","1") = "6"
    & skf21("7","2","4","2","5","3","1","1") = "6"
    & skf21("7","2","4","2","5","3","2","1") = "6"
    & skf21("7","2","4","2","5","3","3","1") = "6"
    & skf21("7","2","4","2","5","3","4","1") = "6"
    & skf21("7","2","4","2","5","3","5","1") = "6"
    & skf21("7","2","4","2","5","3","6","1") = "6"
    & skf21("7","2","4","2","5","3","7","1") = "6"
    & skf21("7","2","4","2","5","4","1","1") = "6"
    & skf21("7","2","4","2","5","4","2","1") = "6"
    & skf21("7","2","4","2","5","4","3","1") = "6"
    & skf21("7","2","4","2","5","4","4","1") = "6"
    & skf21("7","2","4","2","5","4","5","1") = "6"
    & skf21("7","2","4","2","5","4","6","1") = "6"
    & skf21("7","2","4","2","5","4","7","1") = "6"
    & skf21("7","2","4","2","5","5","1","1") = "6"
    & skf21("7","2","4","2","5","5","2","1") = "6"
    & skf21("7","2","4","2","5","5","3","1") = "6"
    & skf21("7","2","4","2","5","5","4","1") = "6"
    & skf21("7","2","4","2","5","5","5","1") = "6"
    & skf21("7","2","4","2","5","5","6","1") = "6"
    & skf21("7","2","4","2","5","5","7","1") = "6"
    & skf21("7","2","4","2","5","6","1","1") = "6"
    & skf21("7","2","4","2","5","6","2","1") = "6"
    & skf21("7","2","4","2","5","6","3","1") = "6"
    & skf21("7","2","4","2","5","6","4","1") = "6"
    & skf21("7","2","4","2","5","6","5","1") = "6"
    & skf21("7","2","4","2","5","6","6","1") = "6"
    & skf21("7","2","4","2","5","6","7","1") = "6"
    & skf21("7","2","4","2","5","7","1","1") = "6"
    & skf21("7","2","4","2","5","7","2","1") = "6"
    & skf21("7","2","4","2","5","7","3","1") = "6"
    & skf21("7","2","4","2","5","7","4","1") = "6"
    & skf21("7","2","4","2","5","7","5","1") = "6"
    & skf21("7","2","4","2","5","7","6","1") = "6"
    & skf21("7","2","4","2","5","7","7","1") = "6"
    & skf21("7","2","4","2","6","1","1","1") = "6"
    & skf21("7","2","4","2","6","1","2","1") = "6"
    & skf21("7","2","4","2","6","1","3","1") = "6"
    & skf21("7","2","4","2","6","1","4","1") = "6"
    & skf21("7","2","4","2","6","1","5","1") = "6"
    & skf21("7","2","4","2","6","1","6","1") = "6"
    & skf21("7","2","4","2","6","1","7","1") = "6"
    & skf21("7","2","4","2","6","2","1","1") = "6"
    & skf21("7","2","4","2","6","2","2","1") = "6"
    & skf21("7","2","4","2","6","2","3","1") = "6"
    & skf21("7","2","4","2","6","2","4","1") = "6"
    & skf21("7","2","4","2","6","2","5","1") = "6"
    & skf21("7","2","4","2","6","2","6","1") = "6"
    & skf21("7","2","4","2","6","2","7","1") = "6"
    & skf21("7","2","4","2","6","3","1","1") = "6"
    & skf21("7","2","4","2","6","3","2","1") = "6"
    & skf21("7","2","4","2","6","3","3","1") = "6"
    & skf21("7","2","4","2","6","3","4","1") = "6"
    & skf21("7","2","4","2","6","3","5","1") = "6"
    & skf21("7","2","4","2","6","3","6","1") = "6"
    & skf21("7","2","4","2","6","3","7","1") = "6"
    & skf21("7","2","4","2","6","4","1","1") = "6"
    & skf21("7","2","4","2","6","4","2","1") = "6"
    & skf21("7","2","4","2","6","4","3","1") = "6"
    & skf21("7","2","4","2","6","4","4","1") = "6"
    & skf21("7","2","4","2","6","4","5","1") = "6"
    & skf21("7","2","4","2","6","4","6","1") = "6"
    & skf21("7","2","4","2","6","4","7","1") = "6"
    & skf21("7","2","4","2","6","5","1","1") = "6"
    & skf21("7","2","4","2","6","5","2","1") = "6"
    & skf21("7","2","4","2","6","5","3","1") = "6"
    & skf21("7","2","4","2","6","5","4","1") = "6"
    & skf21("7","2","4","2","6","5","5","1") = "6"
    & skf21("7","2","4","2","6","5","6","1") = "6"
    & skf21("7","2","4","2","6","5","7","1") = "6"
    & skf21("7","2","4","2","6","6","1","1") = "6"
    & skf21("7","2","4","2","6","6","2","1") = "6"
    & skf21("7","2","4","2","6","6","3","1") = "6"
    & skf21("7","2","4","2","6","6","4","1") = "6"
    & skf21("7","2","4","2","6","6","5","1") = "6"
    & skf21("7","2","4","2","6","6","6","1") = "6"
    & skf21("7","2","4","2","6","6","7","1") = "6"
    & skf21("7","2","4","2","6","7","1","1") = "6"
    & skf21("7","2","4","2","6","7","2","1") = "6"
    & skf21("7","2","4","2","6","7","3","1") = "6"
    & skf21("7","2","4","2","6","7","4","1") = "6"
    & skf21("7","2","4","2","6","7","5","1") = "6"
    & skf21("7","2","4","2","6","7","6","1") = "6"
    & skf21("7","2","4","2","6","7","7","1") = "6"
    & skf21("7","2","4","2","7","1","1","1") = "6"
    & skf21("7","2","4","2","7","1","2","1") = "6"
    & skf21("7","2","4","2","7","1","3","1") = "6"
    & skf21("7","2","4","2","7","1","4","1") = "6"
    & skf21("7","2","4","2","7","1","5","1") = "6"
    & skf21("7","2","4","2","7","1","6","1") = "6"
    & skf21("7","2","4","2","7","1","7","1") = "6"
    & skf21("7","2","4","2","7","2","1","1") = "6"
    & skf21("7","2","4","2","7","2","2","1") = "6"
    & skf21("7","2","4","2","7","2","3","1") = "6"
    & skf21("7","2","4","2","7","2","4","1") = "6"
    & skf21("7","2","4","2","7","2","5","1") = "6"
    & skf21("7","2","4","2","7","2","6","1") = "6"
    & skf21("7","2","4","2","7","2","7","1") = "6"
    & skf21("7","2","4","2","7","3","1","1") = "6"
    & skf21("7","2","4","2","7","3","2","1") = "6"
    & skf21("7","2","4","2","7","3","3","1") = "6"
    & skf21("7","2","4","2","7","3","4","1") = "6"
    & skf21("7","2","4","2","7","3","5","1") = "6"
    & skf21("7","2","4","2","7","3","6","1") = "6"
    & skf21("7","2","4","2","7","3","7","1") = "6"
    & skf21("7","2","4","2","7","4","1","1") = "6"
    & skf21("7","2","4","2","7","4","2","1") = "6"
    & skf21("7","2","4","2","7","4","3","1") = "6"
    & skf21("7","2","4","2","7","4","4","1") = "6"
    & skf21("7","2","4","2","7","4","5","1") = "6"
    & skf21("7","2","4","2","7","4","6","1") = "6"
    & skf21("7","2","4","2","7","4","7","1") = "6"
    & skf21("7","2","4","2","7","5","1","1") = "6"
    & skf21("7","2","4","2","7","5","2","1") = "6"
    & skf21("7","2","4","2","7","5","3","1") = "6"
    & skf21("7","2","4","2","7","5","4","1") = "6"
    & skf21("7","2","4","2","7","5","5","1") = "6"
    & skf21("7","2","4","2","7","5","6","1") = "6"
    & skf21("7","2","4","2","7","5","7","1") = "6"
    & skf21("7","2","4","2","7","6","1","1") = "6"
    & skf21("7","2","4","2","7","6","2","1") = "6"
    & skf21("7","2","4","2","7","6","3","1") = "6"
    & skf21("7","2","4","2","7","6","4","1") = "6"
    & skf21("7","2","4","2","7","6","5","1") = "6"
    & skf21("7","2","4","2","7","6","6","1") = "6"
    & skf21("7","2","4","2","7","6","7","1") = "6"
    & skf21("7","2","4","2","7","7","1","1") = "6"
    & skf21("7","2","4","2","7","7","2","1") = "6"
    & skf21("7","2","4","2","7","7","3","1") = "6"
    & skf21("7","2","4","2","7","7","4","1") = "6"
    & skf21("7","2","4","2","7","7","5","1") = "6"
    & skf21("7","2","4","2","7","7","6","1") = "6"
    & skf21("7","2","4","2","7","7","7","1") = "6"
    & skf21("7","2","4","3","1","1","1","1") = "6"
    & skf21("7","2","4","3","1","1","2","1") = "6"
    & skf21("7","2","4","3","1","1","3","1") = "6"
    & skf21("7","2","4","3","1","1","4","1") = "6"
    & skf21("7","2","4","3","1","1","5","1") = "6"
    & skf21("7","2","4","3","1","1","6","1") = "6"
    & skf21("7","2","4","3","1","1","7","1") = "6"
    & skf21("7","2","4","3","1","2","1","1") = "6"
    & skf21("7","2","4","3","1","2","2","1") = "6"
    & skf21("7","2","4","3","1","2","3","1") = "6"
    & skf21("7","2","4","3","1","2","4","1") = "6"
    & skf21("7","2","4","3","1","2","5","1") = "6"
    & skf21("7","2","4","3","1","2","6","1") = "6"
    & skf21("7","2","4","3","1","2","7","1") = "6"
    & skf21("7","2","4","3","1","3","1","1") = "6"
    & skf21("7","2","4","3","1","3","2","1") = "6"
    & skf21("7","2","4","3","1","3","3","1") = "6"
    & skf21("7","2","4","3","1","3","4","1") = "6"
    & skf21("7","2","4","3","1","3","5","1") = "6"
    & skf21("7","2","4","3","1","3","6","1") = "6"
    & skf21("7","2","4","3","1","3","7","1") = "6"
    & skf21("7","2","4","3","1","4","1","1") = "6"
    & skf21("7","2","4","3","1","4","2","1") = "6"
    & skf21("7","2","4","3","1","4","3","1") = "6"
    & skf21("7","2","4","3","1","4","4","1") = "6"
    & skf21("7","2","4","3","1","4","5","1") = "6"
    & skf21("7","2","4","3","1","4","6","1") = "6"
    & skf21("7","2","4","3","1","4","7","1") = "6"
    & skf21("7","2","4","3","1","5","1","1") = "6"
    & skf21("7","2","4","3","1","5","2","1") = "6"
    & skf21("7","2","4","3","1","5","3","1") = "6"
    & skf21("7","2","4","3","1","5","4","1") = "6"
    & skf21("7","2","4","3","1","5","5","1") = "6"
    & skf21("7","2","4","3","1","5","6","1") = "6"
    & skf21("7","2","4","3","1","5","7","1") = "6"
    & skf21("7","2","4","3","1","6","1","1") = "6"
    & skf21("7","2","4","3","1","6","2","1") = "6"
    & skf21("7","2","4","3","1","6","3","1") = "6"
    & skf21("7","2","4","3","1","6","4","1") = "6"
    & skf21("7","2","4","3","1","6","5","1") = "6"
    & skf21("7","2","4","3","1","6","6","1") = "6"
    & skf21("7","2","4","3","1","6","7","1") = "6"
    & skf21("7","2","4","3","1","7","1","1") = "6"
    & skf21("7","2","4","3","1","7","2","1") = "6"
    & skf21("7","2","4","3","1","7","3","1") = "6"
    & skf21("7","2","4","3","1","7","4","1") = "6"
    & skf21("7","2","4","3","1","7","5","1") = "6"
    & skf21("7","2","4","3","1","7","6","1") = "6"
    & skf21("7","2","4","3","1","7","7","1") = "6"
    & skf21("7","2","4","3","2","1","1","1") = "6"
    & skf21("7","2","4","3","2","1","2","1") = "6"
    & skf21("7","2","4","3","2","1","3","1") = "6"
    & skf21("7","2","4","3","2","1","4","1") = "6"
    & skf21("7","2","4","3","2","1","5","1") = "6"
    & skf21("7","2","4","3","2","1","6","1") = "6"
    & skf21("7","2","4","3","2","1","7","1") = "6"
    & skf21("7","2","4","3","2","2","1","1") = "6"
    & skf21("7","2","4","3","2","2","2","1") = "6"
    & skf21("7","2","4","3","2","2","3","1") = "6"
    & skf21("7","2","4","3","2","2","4","1") = "6"
    & skf21("7","2","4","3","2","2","5","1") = "6"
    & skf21("7","2","4","3","2","2","6","1") = "6"
    & skf21("7","2","4","3","2","2","7","1") = "6"
    & skf21("7","2","4","3","2","3","1","1") = "6"
    & skf21("7","2","4","3","2","3","2","1") = "6"
    & skf21("7","2","4","3","2","3","3","1") = "6"
    & skf21("7","2","4","3","2","3","4","1") = "6"
    & skf21("7","2","4","3","2","3","5","1") = "6"
    & skf21("7","2","4","3","2","3","6","1") = "6"
    & skf21("7","2","4","3","2","3","7","1") = "6"
    & skf21("7","2","4","3","2","4","1","1") = "6"
    & skf21("7","2","4","3","2","4","2","1") = "6"
    & skf21("7","2","4","3","2","4","3","1") = "6"
    & skf21("7","2","4","3","2","4","4","1") = "6"
    & skf21("7","2","4","3","2","4","5","1") = "6"
    & skf21("7","2","4","3","2","4","6","1") = "6"
    & skf21("7","2","4","3","2","4","7","1") = "6"
    & skf21("7","2","4","3","2","5","1","1") = "6"
    & skf21("7","2","4","3","2","5","2","1") = "6"
    & skf21("7","2","4","3","2","5","3","1") = "6"
    & skf21("7","2","4","3","2","5","4","1") = "6"
    & skf21("7","2","4","3","2","5","5","1") = "6"
    & skf21("7","2","4","3","2","5","6","1") = "6"
    & skf21("7","2","4","3","2","5","7","1") = "6"
    & skf21("7","2","4","3","2","6","1","1") = "6"
    & skf21("7","2","4","3","2","6","2","1") = "6"
    & skf21("7","2","4","3","2","6","3","1") = "6"
    & skf21("7","2","4","3","2","6","4","1") = "6"
    & skf21("7","2","4","3","2","6","5","1") = "6"
    & skf21("7","2","4","3","2","6","6","1") = "6"
    & skf21("7","2","4","3","2","6","7","1") = "6"
    & skf21("7","2","4","3","2","7","1","1") = "6"
    & skf21("7","2","4","3","2","7","2","1") = "6"
    & skf21("7","2","4","3","2","7","3","1") = "6"
    & skf21("7","2","4","3","2","7","4","1") = "6"
    & skf21("7","2","4","3","2","7","5","1") = "6"
    & skf21("7","2","4","3","2","7","6","1") = "6"
    & skf21("7","2","4","3","2","7","7","1") = "6"
    & skf21("7","2","4","3","3","1","1","1") = "6"
    & skf21("7","2","4","3","3","1","2","1") = "6"
    & skf21("7","2","4","3","3","1","3","1") = "6"
    & skf21("7","2","4","3","3","1","4","1") = "6"
    & skf21("7","2","4","3","3","1","5","1") = "6"
    & skf21("7","2","4","3","3","1","6","1") = "6"
    & skf21("7","2","4","3","3","1","7","1") = "6"
    & skf21("7","2","4","3","3","2","1","1") = "6"
    & skf21("7","2","4","3","3","2","2","1") = "6"
    & skf21("7","2","4","3","3","2","3","1") = "6"
    & skf21("7","2","4","3","3","2","4","1") = "6"
    & skf21("7","2","4","3","3","2","5","1") = "6"
    & skf21("7","2","4","3","3","2","6","1") = "6"
    & skf21("7","2","4","3","3","2","7","1") = "6"
    & skf21("7","2","4","3","3","3","1","1") = "6"
    & skf21("7","2","4","3","3","3","2","1") = "6"
    & skf21("7","2","4","3","3","3","3","1") = "6"
    & skf21("7","2","4","3","3","3","4","1") = "6"
    & skf21("7","2","4","3","3","3","5","1") = "6"
    & skf21("7","2","4","3","3","3","6","1") = "6"
    & skf21("7","2","4","3","3","3","7","1") = "6"
    & skf21("7","2","4","3","3","4","1","1") = "6"
    & skf21("7","2","4","3","3","4","2","1") = "6"
    & skf21("7","2","4","3","3","4","3","1") = "6"
    & skf21("7","2","4","3","3","4","4","1") = "6"
    & skf21("7","2","4","3","3","4","5","1") = "6"
    & skf21("7","2","4","3","3","4","6","1") = "6"
    & skf21("7","2","4","3","3","4","7","1") = "6"
    & skf21("7","2","4","3","3","5","1","1") = "6"
    & skf21("7","2","4","3","3","5","2","1") = "6"
    & skf21("7","2","4","3","3","5","3","1") = "6"
    & skf21("7","2","4","3","3","5","4","1") = "6"
    & skf21("7","2","4","3","3","5","5","1") = "6"
    & skf21("7","2","4","3","3","5","6","1") = "6"
    & skf21("7","2","4","3","3","5","7","1") = "6"
    & skf21("7","2","4","3","3","6","1","1") = "6"
    & skf21("7","2","4","3","3","6","2","1") = "6"
    & skf21("7","2","4","3","3","6","3","1") = "6"
    & skf21("7","2","4","3","3","6","4","1") = "6"
    & skf21("7","2","4","3","3","6","5","1") = "6"
    & skf21("7","2","4","3","3","6","6","1") = "6"
    & skf21("7","2","4","3","3","6","7","1") = "6"
    & skf21("7","2","4","3","3","7","1","1") = "6"
    & skf21("7","2","4","3","3","7","2","1") = "6"
    & skf21("7","2","4","3","3","7","3","1") = "6"
    & skf21("7","2","4","3","3","7","4","1") = "6"
    & skf21("7","2","4","3","3","7","5","1") = "6"
    & skf21("7","2","4","3","3","7","6","1") = "6"
    & skf21("7","2","4","3","3","7","7","1") = "6"
    & skf21("7","2","4","3","4","1","1","1") = "6"
    & skf21("7","2","4","3","4","1","2","1") = "6"
    & skf21("7","2","4","3","4","1","3","1") = "6"
    & skf21("7","2","4","3","4","1","4","1") = "6"
    & skf21("7","2","4","3","4","1","5","1") = "6"
    & skf21("7","2","4","3","4","1","6","1") = "6"
    & skf21("7","2","4","3","4","1","7","1") = "6"
    & skf21("7","2","4","3","4","2","1","1") = "6"
    & skf21("7","2","4","3","4","2","2","1") = "6"
    & skf21("7","2","4","3","4","2","3","1") = "6"
    & skf21("7","2","4","3","4","2","4","1") = "6"
    & skf21("7","2","4","3","4","2","5","1") = "6"
    & skf21("7","2","4","3","4","2","6","1") = "6"
    & skf21("7","2","4","3","4","2","7","1") = "6"
    & skf21("7","2","4","3","4","3","1","1") = "6"
    & skf21("7","2","4","3","4","3","2","1") = "6"
    & skf21("7","2","4","3","4","3","3","1") = "6"
    & skf21("7","2","4","3","4","3","4","1") = "6"
    & skf21("7","2","4","3","4","3","5","1") = "6"
    & skf21("7","2","4","3","4","3","6","1") = "6"
    & skf21("7","2","4","3","4","3","7","1") = "6"
    & skf21("7","2","4","3","4","4","1","1") = "6"
    & skf21("7","2","4","3","4","4","2","1") = "6"
    & skf21("7","2","4","3","4","4","3","1") = "6"
    & skf21("7","2","4","3","4","4","4","1") = "6"
    & skf21("7","2","4","3","4","4","5","1") = "6"
    & skf21("7","2","4","3","4","4","6","1") = "6"
    & skf21("7","2","4","3","4","4","7","1") = "6"
    & skf21("7","2","4","3","4","5","1","1") = "6"
    & skf21("7","2","4","3","4","5","2","1") = "6"
    & skf21("7","2","4","3","4","5","3","1") = "6"
    & skf21("7","2","4","3","4","5","4","1") = "6"
    & skf21("7","2","4","3","4","5","5","1") = "6"
    & skf21("7","2","4","3","4","5","6","1") = "6"
    & skf21("7","2","4","3","4","5","7","1") = "6"
    & skf21("7","2","4","3","4","6","1","1") = "6"
    & skf21("7","2","4","3","4","6","2","1") = "6"
    & skf21("7","2","4","3","4","6","3","1") = "6"
    & skf21("7","2","4","3","4","6","4","1") = "6"
    & skf21("7","2","4","3","4","6","5","1") = "6"
    & skf21("7","2","4","3","4","6","6","1") = "6"
    & skf21("7","2","4","3","4","6","7","1") = "6"
    & skf21("7","2","4","3","4","7","1","1") = "6"
    & skf21("7","2","4","3","4","7","2","1") = "6"
    & skf21("7","2","4","3","4","7","3","1") = "6"
    & skf21("7","2","4","3","4","7","4","1") = "6"
    & skf21("7","2","4","3","4","7","5","1") = "6"
    & skf21("7","2","4","3","4","7","6","1") = "6"
    & skf21("7","2","4","3","4","7","7","1") = "6"
    & skf21("7","2","4","3","5","1","1","1") = "6"
    & skf21("7","2","4","3","5","1","2","1") = "6"
    & skf21("7","2","4","3","5","1","3","1") = "6"
    & skf21("7","2","4","3","5","1","4","1") = "6"
    & skf21("7","2","4","3","5","1","5","1") = "6"
    & skf21("7","2","4","3","5","1","6","1") = "6"
    & skf21("7","2","4","3","5","1","7","1") = "6"
    & skf21("7","2","4","3","5","2","1","1") = "6"
    & skf21("7","2","4","3","5","2","2","1") = "6"
    & skf21("7","2","4","3","5","2","3","1") = "6"
    & skf21("7","2","4","3","5","2","4","1") = "6"
    & skf21("7","2","4","3","5","2","5","1") = "6"
    & skf21("7","2","4","3","5","2","6","1") = "6"
    & skf21("7","2","4","3","5","2","7","1") = "6"
    & skf21("7","2","4","3","5","3","1","1") = "6"
    & skf21("7","2","4","3","5","3","2","1") = "6"
    & skf21("7","2","4","3","5","3","3","1") = "6"
    & skf21("7","2","4","3","5","3","4","1") = "6"
    & skf21("7","2","4","3","5","3","5","1") = "6"
    & skf21("7","2","4","3","5","3","6","1") = "6"
    & skf21("7","2","4","3","5","3","7","1") = "6"
    & skf21("7","2","4","3","5","4","1","1") = "6"
    & skf21("7","2","4","3","5","4","2","1") = "6"
    & skf21("7","2","4","3","5","4","3","1") = "6"
    & skf21("7","2","4","3","5","4","4","1") = "6"
    & skf21("7","2","4","3","5","4","5","1") = "6"
    & skf21("7","2","4","3","5","4","6","1") = "6"
    & skf21("7","2","4","3","5","4","7","1") = "6"
    & skf21("7","2","4","3","5","5","1","1") = "6"
    & skf21("7","2","4","3","5","5","2","1") = "6"
    & skf21("7","2","4","3","5","5","3","1") = "6"
    & skf21("7","2","4","3","5","5","4","1") = "6"
    & skf21("7","2","4","3","5","5","5","1") = "6"
    & skf21("7","2","4","3","5","5","6","1") = "6"
    & skf21("7","2","4","3","5","5","7","1") = "6"
    & skf21("7","2","4","3","5","6","1","1") = "6"
    & skf21("7","2","4","3","5","6","2","1") = "6"
    & skf21("7","2","4","3","5","6","3","1") = "6"
    & skf21("7","2","4","3","5","6","4","1") = "6"
    & skf21("7","2","4","3","5","6","5","1") = "6"
    & skf21("7","2","4","3","5","6","6","1") = "6"
    & skf21("7","2","4","3","5","6","7","1") = "6"
    & skf21("7","2","4","3","5","7","1","1") = "6"
    & skf21("7","2","4","3","5","7","2","1") = "6"
    & skf21("7","2","4","3","5","7","3","1") = "6"
    & skf21("7","2","4","3","5","7","4","1") = "6"
    & skf21("7","2","4","3","5","7","5","1") = "6"
    & skf21("7","2","4","3","5","7","6","1") = "6"
    & skf21("7","2","4","3","5","7","7","1") = "6"
    & skf21("7","2","4","3","6","1","1","1") = "6"
    & skf21("7","2","4","3","6","1","2","1") = "6"
    & skf21("7","2","4","3","6","1","3","1") = "6"
    & skf21("7","2","4","3","6","1","4","1") = "6"
    & skf21("7","2","4","3","6","1","5","1") = "6"
    & skf21("7","2","4","3","6","1","6","1") = "6"
    & skf21("7","2","4","3","6","1","7","1") = "6"
    & skf21("7","2","4","3","6","2","1","1") = "6"
    & skf21("7","2","4","3","6","2","2","1") = "6"
    & skf21("7","2","4","3","6","2","3","1") = "6"
    & skf21("7","2","4","3","6","2","4","1") = "6"
    & skf21("7","2","4","3","6","2","5","1") = "6"
    & skf21("7","2","4","3","6","2","6","1") = "6"
    & skf21("7","2","4","3","6","2","7","1") = "6"
    & skf21("7","2","4","3","6","3","1","1") = "6"
    & skf21("7","2","4","3","6","3","2","1") = "6"
    & skf21("7","2","4","3","6","3","3","1") = "6"
    & skf21("7","2","4","3","6","3","4","1") = "6"
    & skf21("7","2","4","3","6","3","5","1") = "6"
    & skf21("7","2","4","3","6","3","6","1") = "6"
    & skf21("7","2","4","3","6","3","7","1") = "6"
    & skf21("7","2","4","3","6","4","1","1") = "6"
    & skf21("7","2","4","3","6","4","2","1") = "6"
    & skf21("7","2","4","3","6","4","3","1") = "6"
    & skf21("7","2","4","3","6","4","4","1") = "6"
    & skf21("7","2","4","3","6","4","5","1") = "6"
    & skf21("7","2","4","3","6","4","6","1") = "6"
    & skf21("7","2","4","3","6","4","7","1") = "6"
    & skf21("7","2","4","3","6","5","1","1") = "6"
    & skf21("7","2","4","3","6","5","2","1") = "6"
    & skf21("7","2","4","3","6","5","3","1") = "6"
    & skf21("7","2","4","3","6","5","4","1") = "6"
    & skf21("7","2","4","3","6","5","5","1") = "6"
    & skf21("7","2","4","3","6","5","6","1") = "6"
    & skf21("7","2","4","3","6","5","7","1") = "6"
    & skf21("7","2","4","3","6","6","1","1") = "6"
    & skf21("7","2","4","3","6","6","2","1") = "6"
    & skf21("7","2","4","3","6","6","3","1") = "6"
    & skf21("7","2","4","3","6","6","4","1") = "6"
    & skf21("7","2","4","3","6","6","5","1") = "6"
    & skf21("7","2","4","3","6","6","6","1") = "6"
    & skf21("7","2","4","3","6","6","7","1") = "6"
    & skf21("7","2","4","3","6","7","1","1") = "6"
    & skf21("7","2","4","3","6","7","2","1") = "6"
    & skf21("7","2","4","3","6","7","3","1") = "6"
    & skf21("7","2","4","3","6","7","4","1") = "6"
    & skf21("7","2","4","3","6","7","5","1") = "6"
    & skf21("7","2","4","3","6","7","6","1") = "6"
    & skf21("7","2","4","3","6","7","7","1") = "6"
    & skf21("7","2","4","3","7","1","1","1") = "6"
    & skf21("7","2","4","3","7","1","2","1") = "6"
    & skf21("7","2","4","3","7","1","3","1") = "6"
    & skf21("7","2","4","3","7","1","4","1") = "6"
    & skf21("7","2","4","3","7","1","5","1") = "6"
    & skf21("7","2","4","3","7","1","6","1") = "6"
    & skf21("7","2","4","3","7","1","7","1") = "6"
    & skf21("7","2","4","3","7","2","1","1") = "6"
    & skf21("7","2","4","3","7","2","2","1") = "6"
    & skf21("7","2","4","3","7","2","3","1") = "6"
    & skf21("7","2","4","3","7","2","4","1") = "6"
    & skf21("7","2","4","3","7","2","5","1") = "6"
    & skf21("7","2","4","3","7","2","6","1") = "6"
    & skf21("7","2","4","3","7","2","7","1") = "6"
    & skf21("7","2","4","3","7","3","1","1") = "6"
    & skf21("7","2","4","3","7","3","2","1") = "6"
    & skf21("7","2","4","3","7","3","3","1") = "6"
    & skf21("7","2","4","3","7","3","4","1") = "6"
    & skf21("7","2","4","3","7","3","5","1") = "6"
    & skf21("7","2","4","3","7","3","6","1") = "6"
    & skf21("7","2","4","3","7","3","7","1") = "6"
    & skf21("7","2","4","3","7","4","1","1") = "6"
    & skf21("7","2","4","3","7","4","2","1") = "6"
    & skf21("7","2","4","3","7","4","3","1") = "6"
    & skf21("7","2","4","3","7","4","4","1") = "6"
    & skf21("7","2","4","3","7","4","5","1") = "6"
    & skf21("7","2","4","3","7","4","6","1") = "6"
    & skf21("7","2","4","3","7","4","7","1") = "6"
    & skf21("7","2","4","3","7","5","1","1") = "6"
    & skf21("7","2","4","3","7","5","2","1") = "6"
    & skf21("7","2","4","3","7","5","3","1") = "6"
    & skf21("7","2","4","3","7","5","4","1") = "6"
    & skf21("7","2","4","3","7","5","5","1") = "6"
    & skf21("7","2","4","3","7","5","6","1") = "6"
    & skf21("7","2","4","3","7","5","7","1") = "6"
    & skf21("7","2","4","3","7","6","1","1") = "6"
    & skf21("7","2","4","3","7","6","2","1") = "6"
    & skf21("7","2","4","3","7","6","3","1") = "6"
    & skf21("7","2","4","3","7","6","4","1") = "6"
    & skf21("7","2","4","3","7","6","5","1") = "6"
    & skf21("7","2","4","3","7","6","6","1") = "6"
    & skf21("7","2","4","3","7","6","7","1") = "6"
    & skf21("7","2","4","3","7","7","1","1") = "6"
    & skf21("7","2","4","3","7","7","2","1") = "6"
    & skf21("7","2","4","3","7","7","3","1") = "6"
    & skf21("7","2","4","3","7","7","4","1") = "6"
    & skf21("7","2","4","3","7","7","5","1") = "6"
    & skf21("7","2","4","3","7","7","6","1") = "6"
    & skf21("7","2","4","3","7","7","7","1") = "6"
    & skf21("7","2","4","4","1","1","1","1") = "6"
    & skf21("7","2","4","4","1","1","2","1") = "6"
    & skf21("7","2","4","4","1","1","3","1") = "6"
    & skf21("7","2","4","4","1","1","4","1") = "6"
    & skf21("7","2","4","4","1","1","5","1") = "6"
    & skf21("7","2","4","4","1","1","6","1") = "6"
    & skf21("7","2","4","4","1","1","7","1") = "6"
    & skf21("7","2","4","4","1","2","1","1") = "6"
    & skf21("7","2","4","4","1","2","2","1") = "6"
    & skf21("7","2","4","4","1","2","3","1") = "6"
    & skf21("7","2","4","4","1","2","4","1") = "6"
    & skf21("7","2","4","4","1","2","5","1") = "6"
    & skf21("7","2","4","4","1","2","6","1") = "6"
    & skf21("7","2","4","4","1","2","7","1") = "6"
    & skf21("7","2","4","4","1","3","1","1") = "6"
    & skf21("7","2","4","4","1","3","2","1") = "6"
    & skf21("7","2","4","4","1","3","3","1") = "6"
    & skf21("7","2","4","4","1","3","4","1") = "6"
    & skf21("7","2","4","4","1","3","5","1") = "6"
    & skf21("7","2","4","4","1","3","6","1") = "6"
    & skf21("7","2","4","4","1","3","7","1") = "6"
    & skf21("7","2","4","4","1","4","1","1") = "6"
    & skf21("7","2","4","4","1","4","2","1") = "6"
    & skf21("7","2","4","4","1","4","3","1") = "6"
    & skf21("7","2","4","4","1","4","4","1") = "6"
    & skf21("7","2","4","4","1","4","5","1") = "6"
    & skf21("7","2","4","4","1","4","6","1") = "6"
    & skf21("7","2","4","4","1","4","7","1") = "6"
    & skf21("7","2","4","4","1","5","1","1") = "6"
    & skf21("7","2","4","4","1","5","2","1") = "6"
    & skf21("7","2","4","4","1","5","3","1") = "6"
    & skf21("7","2","4","4","1","5","4","1") = "6"
    & skf21("7","2","4","4","1","5","5","1") = "6"
    & skf21("7","2","4","4","1","5","6","1") = "6"
    & skf21("7","2","4","4","1","5","7","1") = "6"
    & skf21("7","2","4","4","1","6","1","1") = "6"
    & skf21("7","2","4","4","1","6","2","1") = "6"
    & skf21("7","2","4","4","1","6","3","1") = "6"
    & skf21("7","2","4","4","1","6","4","1") = "6"
    & skf21("7","2","4","4","1","6","5","1") = "6"
    & skf21("7","2","4","4","1","6","6","1") = "6"
    & skf21("7","2","4","4","1","6","7","1") = "6"
    & skf21("7","2","4","4","1","7","1","1") = "6"
    & skf21("7","2","4","4","1","7","2","1") = "6"
    & skf21("7","2","4","4","1","7","3","1") = "6"
    & skf21("7","2","4","4","1","7","4","1") = "6"
    & skf21("7","2","4","4","1","7","5","1") = "6"
    & skf21("7","2","4","4","1","7","6","1") = "6"
    & skf21("7","2","4","4","1","7","7","1") = "6"
    & skf21("7","2","4","4","2","1","1","1") = "6"
    & skf21("7","2","4","4","2","1","2","1") = "6"
    & skf21("7","2","4","4","2","1","3","1") = "6"
    & skf21("7","2","4","4","2","1","4","1") = "6"
    & skf21("7","2","4","4","2","1","5","1") = "6"
    & skf21("7","2","4","4","2","1","6","1") = "6"
    & skf21("7","2","4","4","2","1","7","1") = "6"
    & skf21("7","2","4","4","2","2","1","1") = "6"
    & skf21("7","2","4","4","2","2","2","1") = "6"
    & skf21("7","2","4","4","2","2","3","1") = "6"
    & skf21("7","2","4","4","2","2","4","1") = "6"
    & skf21("7","2","4","4","2","2","5","1") = "6"
    & skf21("7","2","4","4","2","2","6","1") = "6"
    & skf21("7","2","4","4","2","2","7","1") = "6"
    & skf21("7","2","4","4","2","3","1","1") = "6"
    & skf21("7","2","4","4","2","3","2","1") = "6"
    & skf21("7","2","4","4","2","3","3","1") = "6"
    & skf21("7","2","4","4","2","3","4","1") = "6"
    & skf21("7","2","4","4","2","3","5","1") = "6"
    & skf21("7","2","4","4","2","3","6","1") = "6"
    & skf21("7","2","4","4","2","3","7","1") = "6"
    & skf21("7","2","4","4","2","4","1","1") = "6"
    & skf21("7","2","4","4","2","4","2","1") = "6"
    & skf21("7","2","4","4","2","4","3","1") = "6"
    & skf21("7","2","4","4","2","4","4","1") = "6"
    & skf21("7","2","4","4","2","4","5","1") = "6"
    & skf21("7","2","4","4","2","4","6","1") = "6"
    & skf21("7","2","4","4","2","4","7","1") = "6"
    & skf21("7","2","4","4","2","5","1","1") = "6"
    & skf21("7","2","4","4","2","5","2","1") = "6"
    & skf21("7","2","4","4","2","5","3","1") = "6"
    & skf21("7","2","4","4","2","5","4","1") = "6"
    & skf21("7","2","4","4","2","5","5","1") = "6"
    & skf21("7","2","4","4","2","5","6","1") = "6"
    & skf21("7","2","4","4","2","5","7","1") = "6"
    & skf21("7","2","4","4","2","6","1","1") = "6"
    & skf21("7","2","4","4","2","6","2","1") = "6"
    & skf21("7","2","4","4","2","6","3","1") = "6"
    & skf21("7","2","4","4","2","6","4","1") = "6"
    & skf21("7","2","4","4","2","6","5","1") = "6"
    & skf21("7","2","4","4","2","6","6","1") = "6"
    & skf21("7","2","4","4","2","6","7","1") = "6"
    & skf21("7","2","4","4","2","7","1","1") = "6"
    & skf21("7","2","4","4","2","7","2","1") = "6"
    & skf21("7","2","4","4","2","7","3","1") = "6"
    & skf21("7","2","4","4","2","7","4","1") = "6"
    & skf21("7","2","4","4","2","7","5","1") = "6"
    & skf21("7","2","4","4","2","7","6","1") = "6"
    & skf21("7","2","4","4","2","7","7","1") = "6"
    & skf21("7","2","4","4","3","1","1","1") = "6"
    & skf21("7","2","4","4","3","1","2","1") = "6"
    & skf21("7","2","4","4","3","1","3","1") = "6"
    & skf21("7","2","4","4","3","1","4","1") = "6"
    & skf21("7","2","4","4","3","1","5","1") = "6"
    & skf21("7","2","4","4","3","1","6","1") = "6"
    & skf21("7","2","4","4","3","1","7","1") = "6"
    & skf21("7","2","4","4","3","2","1","1") = "6"
    & skf21("7","2","4","4","3","2","2","1") = "6"
    & skf21("7","2","4","4","3","2","3","1") = "6"
    & skf21("7","2","4","4","3","2","4","1") = "6"
    & skf21("7","2","4","4","3","2","5","1") = "6"
    & skf21("7","2","4","4","3","2","6","1") = "6"
    & skf21("7","2","4","4","3","2","7","1") = "6"
    & skf21("7","2","4","4","3","3","1","1") = "6"
    & skf21("7","2","4","4","3","3","2","1") = "6"
    & skf21("7","2","4","4","3","3","3","1") = "6"
    & skf21("7","2","4","4","3","3","4","1") = "6"
    & skf21("7","2","4","4","3","3","5","1") = "6"
    & skf21("7","2","4","4","3","3","6","1") = "6"
    & skf21("7","2","4","4","3","3","7","1") = "6"
    & skf21("7","2","4","4","3","4","1","1") = "6"
    & skf21("7","2","4","4","3","4","2","1") = "6"
    & skf21("7","2","4","4","3","4","3","1") = "6"
    & skf21("7","2","4","4","3","4","4","1") = "6"
    & skf21("7","2","4","4","3","4","5","1") = "6"
    & skf21("7","2","4","4","3","4","6","1") = "6"
    & skf21("7","2","4","4","3","4","7","1") = "6"
    & skf21("7","2","4","4","3","5","1","1") = "6"
    & skf21("7","2","4","4","3","5","2","1") = "6"
    & skf21("7","2","4","4","3","5","3","1") = "6"
    & skf21("7","2","4","4","3","5","4","1") = "6"
    & skf21("7","2","4","4","3","5","5","1") = "6"
    & skf21("7","2","4","4","3","5","6","1") = "6"
    & skf21("7","2","4","4","3","5","7","1") = "6"
    & skf21("7","2","4","4","3","6","1","1") = "6"
    & skf21("7","2","4","4","3","6","2","1") = "6"
    & skf21("7","2","4","4","3","6","3","1") = "6"
    & skf21("7","2","4","4","3","6","4","1") = "6"
    & skf21("7","2","4","4","3","6","5","1") = "6"
    & skf21("7","2","4","4","3","6","6","1") = "6"
    & skf21("7","2","4","4","3","6","7","1") = "6"
    & skf21("7","2","4","4","3","7","1","1") = "6"
    & skf21("7","2","4","4","3","7","2","1") = "6"
    & skf21("7","2","4","4","3","7","3","1") = "6"
    & skf21("7","2","4","4","3","7","4","1") = "6"
    & skf21("7","2","4","4","3","7","5","1") = "6"
    & skf21("7","2","4","4","3","7","6","1") = "6"
    & skf21("7","2","4","4","3","7","7","1") = "6"
    & skf21("7","2","4","4","4","1","1","1") = "6"
    & skf21("7","2","4","4","4","1","2","1") = "6"
    & skf21("7","2","4","4","4","1","3","1") = "6"
    & skf21("7","2","4","4","4","1","4","1") = "6"
    & skf21("7","2","4","4","4","1","5","1") = "6"
    & skf21("7","2","4","4","4","1","6","1") = "6"
    & skf21("7","2","4","4","4","1","7","1") = "6"
    & skf21("7","2","4","4","4","2","1","1") = "6"
    & skf21("7","2","4","4","4","2","2","1") = "6"
    & skf21("7","2","4","4","4","2","3","1") = "6"
    & skf21("7","2","4","4","4","2","4","1") = "6"
    & skf21("7","2","4","4","4","2","5","1") = "6"
    & skf21("7","2","4","4","4","2","6","1") = "6"
    & skf21("7","2","4","4","4","2","7","1") = "6"
    & skf21("7","2","4","4","4","3","1","1") = "6"
    & skf21("7","2","4","4","4","3","2","1") = "6"
    & skf21("7","2","4","4","4","3","3","1") = "6"
    & skf21("7","2","4","4","4","3","4","1") = "6"
    & skf21("7","2","4","4","4","3","5","1") = "6"
    & skf21("7","2","4","4","4","3","6","1") = "6"
    & skf21("7","2","4","4","4","3","7","1") = "6"
    & skf21("7","2","4","4","4","4","1","1") = "6"
    & skf21("7","2","4","4","4","4","2","1") = "6"
    & skf21("7","2","4","4","4","4","3","1") = "6"
    & skf21("7","2","4","4","4","4","4","1") = "6"
    & skf21("7","2","4","4","4","4","5","1") = "6"
    & skf21("7","2","4","4","4","4","6","1") = "6"
    & skf21("7","2","4","4","4","4","7","1") = "6"
    & skf21("7","2","4","4","4","5","1","1") = "6"
    & skf21("7","2","4","4","4","5","2","1") = "6"
    & skf21("7","2","4","4","4","5","3","1") = "6"
    & skf21("7","2","4","4","4","5","4","1") = "6"
    & skf21("7","2","4","4","4","5","5","1") = "6"
    & skf21("7","2","4","4","4","5","6","1") = "6"
    & skf21("7","2","4","4","4","5","7","1") = "6"
    & skf21("7","2","4","4","4","6","1","1") = "6"
    & skf21("7","2","4","4","4","6","2","1") = "6"
    & skf21("7","2","4","4","4","6","3","1") = "6"
    & skf21("7","2","4","4","4","6","4","1") = "6"
    & skf21("7","2","4","4","4","6","5","1") = "6"
    & skf21("7","2","4","4","4","6","6","1") = "6"
    & skf21("7","2","4","4","4","6","7","1") = "6"
    & skf21("7","2","4","4","4","7","1","1") = "6"
    & skf21("7","2","4","4","4","7","2","1") = "6"
    & skf21("7","2","4","4","4","7","3","1") = "6"
    & skf21("7","2","4","4","4","7","4","1") = "6"
    & skf21("7","2","4","4","4","7","5","1") = "6"
    & skf21("7","2","4","4","4","7","6","1") = "6"
    & skf21("7","2","4","4","4","7","7","1") = "6"
    & skf21("7","2","4","4","5","1","1","1") = "6"
    & skf21("7","2","4","4","5","1","2","1") = "6"
    & skf21("7","2","4","4","5","1","3","1") = "6"
    & skf21("7","2","4","4","5","1","4","1") = "6"
    & skf21("7","2","4","4","5","1","5","1") = "6"
    & skf21("7","2","4","4","5","1","6","1") = "6"
    & skf21("7","2","4","4","5","1","7","1") = "6"
    & skf21("7","2","4","4","5","2","1","1") = "6"
    & skf21("7","2","4","4","5","2","2","1") = "6"
    & skf21("7","2","4","4","5","2","3","1") = "6"
    & skf21("7","2","4","4","5","2","4","1") = "6"
    & skf21("7","2","4","4","5","2","5","1") = "6"
    & skf21("7","2","4","4","5","2","6","1") = "6"
    & skf21("7","2","4","4","5","2","7","1") = "6"
    & skf21("7","2","4","4","5","3","1","1") = "6"
    & skf21("7","2","4","4","5","3","2","1") = "6"
    & skf21("7","2","4","4","5","3","3","1") = "6"
    & skf21("7","2","4","4","5","3","4","1") = "6"
    & skf21("7","2","4","4","5","3","5","1") = "6"
    & skf21("7","2","4","4","5","3","6","1") = "6"
    & skf21("7","2","4","4","5","3","7","1") = "6"
    & skf21("7","2","4","4","5","4","1","1") = "6"
    & skf21("7","2","4","4","5","4","2","1") = "6"
    & skf21("7","2","4","4","5","4","3","1") = "6"
    & skf21("7","2","4","4","5","4","4","1") = "6"
    & skf21("7","2","4","4","5","4","5","1") = "6"
    & skf21("7","2","4","4","5","4","6","1") = "6"
    & skf21("7","2","4","4","5","4","7","1") = "6"
    & skf21("7","2","4","4","5","5","1","1") = "6"
    & skf21("7","2","4","4","5","5","2","1") = "6"
    & skf21("7","2","4","4","5","5","3","1") = "6"
    & skf21("7","2","4","4","5","5","4","1") = "6"
    & skf21("7","2","4","4","5","5","5","1") = "6"
    & skf21("7","2","4","4","5","5","6","1") = "6"
    & skf21("7","2","4","4","5","5","7","1") = "6"
    & skf21("7","2","4","4","5","6","1","1") = "6"
    & skf21("7","2","4","4","5","6","2","1") = "6"
    & skf21("7","2","4","4","5","6","3","1") = "6"
    & skf21("7","2","4","4","5","6","4","1") = "6"
    & skf21("7","2","4","4","5","6","5","1") = "6"
    & skf21("7","2","4","4","5","6","6","1") = "6"
    & skf21("7","2","4","4","5","6","7","1") = "6"
    & skf21("7","2","4","4","5","7","1","1") = "6"
    & skf21("7","2","4","4","5","7","2","1") = "6"
    & skf21("7","2","4","4","5","7","3","1") = "6"
    & skf21("7","2","4","4","5","7","4","1") = "6"
    & skf21("7","2","4","4","5","7","5","1") = "6"
    & skf21("7","2","4","4","5","7","6","1") = "6"
    & skf21("7","2","4","4","5","7","7","1") = "6"
    & skf21("7","2","4","4","6","1","1","1") = "6"
    & skf21("7","2","4","4","6","1","2","1") = "6"
    & skf21("7","2","4","4","6","1","3","1") = "6"
    & skf21("7","2","4","4","6","1","4","1") = "6"
    & skf21("7","2","4","4","6","1","5","1") = "6"
    & skf21("7","2","4","4","6","1","6","1") = "6"
    & skf21("7","2","4","4","6","1","7","1") = "6"
    & skf21("7","2","4","4","6","2","1","1") = "6"
    & skf21("7","2","4","4","6","2","2","1") = "6"
    & skf21("7","2","4","4","6","2","3","1") = "6"
    & skf21("7","2","4","4","6","2","4","1") = "6"
    & skf21("7","2","4","4","6","2","5","1") = "6"
    & skf21("7","2","4","4","6","2","6","1") = "6"
    & skf21("7","2","4","4","6","2","7","1") = "6"
    & skf21("7","2","4","4","6","3","1","1") = "6"
    & skf21("7","2","4","4","6","3","2","1") = "6"
    & skf21("7","2","4","4","6","3","3","1") = "6"
    & skf21("7","2","4","4","6","3","4","1") = "6"
    & skf21("7","2","4","4","6","3","5","1") = "6"
    & skf21("7","2","4","4","6","3","6","1") = "6"
    & skf21("7","2","4","4","6","3","7","1") = "6"
    & skf21("7","2","4","4","6","4","1","1") = "6"
    & skf21("7","2","4","4","6","4","2","1") = "6"
    & skf21("7","2","4","4","6","4","3","1") = "6"
    & skf21("7","2","4","4","6","4","4","1") = "6"
    & skf21("7","2","4","4","6","4","5","1") = "6"
    & skf21("7","2","4","4","6","4","6","1") = "6"
    & skf21("7","2","4","4","6","4","7","1") = "6"
    & skf21("7","2","4","4","6","5","1","1") = "6"
    & skf21("7","2","4","4","6","5","2","1") = "6"
    & skf21("7","2","4","4","6","5","3","1") = "6"
    & skf21("7","2","4","4","6","5","4","1") = "6"
    & skf21("7","2","4","4","6","5","5","1") = "6"
    & skf21("7","2","4","4","6","5","6","1") = "6"
    & skf21("7","2","4","4","6","5","7","1") = "6"
    & skf21("7","2","4","4","6","6","1","1") = "6"
    & skf21("7","2","4","4","6","6","2","1") = "6"
    & skf21("7","2","4","4","6","6","3","1") = "6"
    & skf21("7","2","4","4","6","6","4","1") = "6"
    & skf21("7","2","4","4","6","6","5","1") = "6"
    & skf21("7","2","4","4","6","6","6","1") = "6"
    & skf21("7","2","4","4","6","6","7","1") = "6"
    & skf21("7","2","4","4","6","7","1","1") = "6"
    & skf21("7","2","4","4","6","7","2","1") = "6"
    & skf21("7","2","4","4","6","7","3","1") = "6"
    & skf21("7","2","4","4","6","7","4","1") = "6"
    & skf21("7","2","4","4","6","7","5","1") = "6"
    & skf21("7","2","4","4","6","7","6","1") = "6"
    & skf21("7","2","4","4","6","7","7","1") = "6"
    & skf21("7","2","4","4","7","1","1","1") = "6"
    & skf21("7","2","4","4","7","1","2","1") = "6"
    & skf21("7","2","4","4","7","1","3","1") = "6"
    & skf21("7","2","4","4","7","1","4","1") = "6"
    & skf21("7","2","4","4","7","1","5","1") = "6"
    & skf21("7","2","4","4","7","1","6","1") = "6"
    & skf21("7","2","4","4","7","1","7","1") = "6"
    & skf21("7","2","4","4","7","2","1","1") = "6"
    & skf21("7","2","4","4","7","2","2","1") = "6"
    & skf21("7","2","4","4","7","2","3","1") = "6"
    & skf21("7","2","4","4","7","2","4","1") = "6"
    & skf21("7","2","4","4","7","2","5","1") = "6"
    & skf21("7","2","4","4","7","2","6","1") = "6"
    & skf21("7","2","4","4","7","2","7","1") = "6"
    & skf21("7","2","4","4","7","3","1","1") = "6"
    & skf21("7","2","4","4","7","3","2","1") = "6"
    & skf21("7","2","4","4","7","3","3","1") = "6"
    & skf21("7","2","4","4","7","3","4","1") = "6"
    & skf21("7","2","4","4","7","3","5","1") = "6"
    & skf21("7","2","4","4","7","3","6","1") = "6"
    & skf21("7","2","4","4","7","3","7","1") = "6"
    & skf21("7","2","4","4","7","4","1","1") = "6"
    & skf21("7","2","4","4","7","4","2","1") = "6"
    & skf21("7","2","4","4","7","4","3","1") = "6"
    & skf21("7","2","4","4","7","4","4","1") = "6"
    & skf21("7","2","4","4","7","4","5","1") = "6"
    & skf21("7","2","4","4","7","4","6","1") = "6"
    & skf21("7","2","4","4","7","4","7","1") = "6"
    & skf21("7","2","4","4","7","5","1","1") = "6"
    & skf21("7","2","4","4","7","5","2","1") = "6"
    & skf21("7","2","4","4","7","5","3","1") = "6"
    & skf21("7","2","4","4","7","5","4","1") = "6"
    & skf21("7","2","4","4","7","5","5","1") = "6"
    & skf21("7","2","4","4","7","5","6","1") = "6"
    & skf21("7","2","4","4","7","5","7","1") = "6"
    & skf21("7","2","4","4","7","6","1","1") = "6"
    & skf21("7","2","4","4","7","6","2","1") = "6"
    & skf21("7","2","4","4","7","6","3","1") = "6"
    & skf21("7","2","4","4","7","6","4","1") = "6"
    & skf21("7","2","4","4","7","6","5","1") = "6"
    & skf21("7","2","4","4","7","6","6","1") = "6"
    & skf21("7","2","4","4","7","6","7","1") = "6"
    & skf21("7","2","4","4","7","7","1","1") = "6"
    & skf21("7","2","4","4","7","7","2","1") = "6"
    & skf21("7","2","4","4","7","7","3","1") = "6"
    & skf21("7","2","4","4","7","7","4","1") = "6"
    & skf21("7","2","4","4","7","7","5","1") = "6"
    & skf21("7","2","4","4","7","7","6","1") = "6"
    & skf21("7","2","4","4","7","7","7","1") = "6"
    & skf21("7","2","4","5","1","1","1","1") = "6"
    & skf21("7","2","4","5","1","1","2","1") = "6"
    & skf21("7","2","4","5","1","1","3","1") = "6"
    & skf21("7","2","4","5","1","1","4","1") = "6"
    & skf21("7","2","4","5","1","1","5","1") = "6"
    & skf21("7","2","4","5","1","1","6","1") = "6"
    & skf21("7","2","4","5","1","1","7","1") = "6"
    & skf21("7","2","4","5","1","2","1","1") = "6"
    & skf21("7","2","4","5","1","2","2","1") = "6"
    & skf21("7","2","4","5","1","2","3","1") = "6"
    & skf21("7","2","4","5","1","2","4","1") = "6"
    & skf21("7","2","4","5","1","2","5","1") = "6"
    & skf21("7","2","4","5","1","2","6","1") = "6"
    & skf21("7","2","4","5","1","2","7","1") = "6"
    & skf21("7","2","4","5","1","3","1","1") = "6"
    & skf21("7","2","4","5","1","3","2","1") = "6"
    & skf21("7","2","4","5","1","3","3","1") = "6"
    & skf21("7","2","4","5","1","3","4","1") = "6"
    & skf21("7","2","4","5","1","3","5","1") = "6"
    & skf21("7","2","4","5","1","3","6","1") = "6"
    & skf21("7","2","4","5","1","3","7","1") = "6"
    & skf21("7","2","4","5","1","4","1","1") = "6"
    & skf21("7","2","4","5","1","4","2","1") = "6"
    & skf21("7","2","4","5","1","4","3","1") = "6"
    & skf21("7","2","4","5","1","4","4","1") = "6"
    & skf21("7","2","4","5","1","4","5","1") = "6"
    & skf21("7","2","4","5","1","4","6","1") = "6"
    & skf21("7","2","4","5","1","4","7","1") = "6"
    & skf21("7","2","4","5","1","5","1","1") = "6"
    & skf21("7","2","4","5","1","5","2","1") = "6"
    & skf21("7","2","4","5","1","5","3","1") = "6"
    & skf21("7","2","4","5","1","5","4","1") = "6"
    & skf21("7","2","4","5","1","5","5","1") = "6"
    & skf21("7","2","4","5","1","5","6","1") = "6"
    & skf21("7","2","4","5","1","5","7","1") = "6"
    & skf21("7","2","4","5","1","6","1","1") = "6"
    & skf21("7","2","4","5","1","6","2","1") = "6"
    & skf21("7","2","4","5","1","6","3","1") = "6"
    & skf21("7","2","4","5","1","6","4","1") = "6"
    & skf21("7","2","4","5","1","6","5","1") = "6"
    & skf21("7","2","4","5","1","6","6","1") = "6"
    & skf21("7","2","4","5","1","6","7","1") = "6"
    & skf21("7","2","4","5","1","7","1","1") = "6"
    & skf21("7","2","4","5","1","7","2","1") = "6"
    & skf21("7","2","4","5","1","7","3","1") = "6"
    & skf21("7","2","4","5","1","7","4","1") = "6"
    & skf21("7","2","4","5","1","7","5","1") = "6"
    & skf21("7","2","4","5","1","7","6","1") = "6"
    & skf21("7","2","4","5","1","7","7","1") = "6"
    & skf21("7","2","4","5","2","1","1","1") = "6"
    & skf21("7","2","4","5","2","1","2","1") = "6"
    & skf21("7","2","4","5","2","1","3","1") = "6"
    & skf21("7","2","4","5","2","1","4","1") = "6"
    & skf21("7","2","4","5","2","1","5","1") = "6"
    & skf21("7","2","4","5","2","1","6","1") = "6"
    & skf21("7","2","4","5","2","1","7","1") = "6"
    & skf21("7","2","4","5","2","2","1","1") = "6"
    & skf21("7","2","4","5","2","2","2","1") = "6"
    & skf21("7","2","4","5","2","2","3","1") = "6"
    & skf21("7","2","4","5","2","2","4","1") = "6"
    & skf21("7","2","4","5","2","2","5","1") = "6"
    & skf21("7","2","4","5","2","2","6","1") = "6"
    & skf21("7","2","4","5","2","2","7","1") = "6"
    & skf21("7","2","4","5","2","3","1","1") = "6"
    & skf21("7","2","4","5","2","3","2","1") = "6"
    & skf21("7","2","4","5","2","3","3","1") = "6"
    & skf21("7","2","4","5","2","3","4","1") = "6"
    & skf21("7","2","4","5","2","3","5","1") = "6"
    & skf21("7","2","4","5","2","3","6","1") = "6"
    & skf21("7","2","4","5","2","3","7","1") = "6"
    & skf21("7","2","4","5","2","4","1","1") = "6"
    & skf21("7","2","4","5","2","4","2","1") = "6"
    & skf21("7","2","4","5","2","4","3","1") = "6"
    & skf21("7","2","4","5","2","4","4","1") = "6"
    & skf21("7","2","4","5","2","4","5","1") = "6"
    & skf21("7","2","4","5","2","4","6","1") = "6"
    & skf21("7","2","4","5","2","4","7","1") = "6"
    & skf21("7","2","4","5","2","5","1","1") = "6"
    & skf21("7","2","4","5","2","5","2","1") = "6"
    & skf21("7","2","4","5","2","5","3","1") = "6"
    & skf21("7","2","4","5","2","5","4","1") = "6"
    & skf21("7","2","4","5","2","5","5","1") = "6"
    & skf21("7","2","4","5","2","5","6","1") = "6"
    & skf21("7","2","4","5","2","5","7","1") = "6"
    & skf21("7","2","4","5","2","6","1","1") = "6"
    & skf21("7","2","4","5","2","6","2","1") = "6"
    & skf21("7","2","4","5","2","6","3","1") = "6"
    & skf21("7","2","4","5","2","6","4","1") = "6"
    & skf21("7","2","4","5","2","6","5","1") = "6"
    & skf21("7","2","4","5","2","6","6","1") = "6"
    & skf21("7","2","4","5","2","6","7","1") = "6"
    & skf21("7","2","4","5","2","7","1","1") = "6"
    & skf21("7","2","4","5","2","7","2","1") = "6"
    & skf21("7","2","4","5","2","7","3","1") = "6"
    & skf21("7","2","4","5","2","7","4","1") = "6"
    & skf21("7","2","4","5","2","7","5","1") = "6"
    & skf21("7","2","4","5","2","7","6","1") = "6"
    & skf21("7","2","4","5","2","7","7","1") = "6"
    & skf21("7","2","4","5","3","1","1","1") = "6"
    & skf21("7","2","4","5","3","1","2","1") = "6"
    & skf21("7","2","4","5","3","1","3","1") = "6"
    & skf21("7","2","4","5","3","1","4","1") = "6"
    & skf21("7","2","4","5","3","1","5","1") = "6"
    & skf21("7","2","4","5","3","1","6","1") = "6"
    & skf21("7","2","4","5","3","1","7","1") = "6"
    & skf21("7","2","4","5","3","2","1","1") = "6"
    & skf21("7","2","4","5","3","2","2","1") = "6"
    & skf21("7","2","4","5","3","2","3","1") = "6"
    & skf21("7","2","4","5","3","2","4","1") = "6"
    & skf21("7","2","4","5","3","2","5","1") = "6"
    & skf21("7","2","4","5","3","2","6","1") = "6"
    & skf21("7","2","4","5","3","2","7","1") = "6"
    & skf21("7","2","4","5","3","3","1","1") = "6"
    & skf21("7","2","4","5","3","3","2","1") = "6"
    & skf21("7","2","4","5","3","3","3","1") = "6"
    & skf21("7","2","4","5","3","3","4","1") = "6"
    & skf21("7","2","4","5","3","3","5","1") = "6"
    & skf21("7","2","4","5","3","3","6","1") = "6"
    & skf21("7","2","4","5","3","3","7","1") = "6"
    & skf21("7","2","4","5","3","4","1","1") = "6"
    & skf21("7","2","4","5","3","4","2","1") = "6"
    & skf21("7","2","4","5","3","4","3","1") = "6"
    & skf21("7","2","4","5","3","4","4","1") = "6"
    & skf21("7","2","4","5","3","4","5","1") = "6"
    & skf21("7","2","4","5","3","4","6","1") = "6"
    & skf21("7","2","4","5","3","4","7","1") = "6"
    & skf21("7","2","4","5","3","5","1","1") = "6"
    & skf21("7","2","4","5","3","5","2","1") = "6"
    & skf21("7","2","4","5","3","5","3","1") = "6"
    & skf21("7","2","4","5","3","5","4","1") = "6"
    & skf21("7","2","4","5","3","5","5","1") = "6"
    & skf21("7","2","4","5","3","5","6","1") = "6"
    & skf21("7","2","4","5","3","5","7","1") = "6"
    & skf21("7","2","4","5","3","6","1","1") = "6"
    & skf21("7","2","4","5","3","6","2","1") = "6"
    & skf21("7","2","4","5","3","6","3","1") = "6"
    & skf21("7","2","4","5","3","6","4","1") = "6"
    & skf21("7","2","4","5","3","6","5","1") = "6"
    & skf21("7","2","4","5","3","6","6","1") = "6"
    & skf21("7","2","4","5","3","6","7","1") = "6"
    & skf21("7","2","4","5","3","7","1","1") = "6"
    & skf21("7","2","4","5","3","7","2","1") = "6"
    & skf21("7","2","4","5","3","7","3","1") = "6"
    & skf21("7","2","4","5","3","7","4","1") = "6"
    & skf21("7","2","4","5","3","7","5","1") = "6"
    & skf21("7","2","4","5","3","7","6","1") = "6"
    & skf21("7","2","4","5","3","7","7","1") = "6"
    & skf21("7","2","4","5","4","1","1","1") = "6"
    & skf21("7","2","4","5","4","1","2","1") = "6"
    & skf21("7","2","4","5","4","1","3","1") = "6"
    & skf21("7","2","4","5","4","1","4","1") = "6"
    & skf21("7","2","4","5","4","1","5","1") = "6"
    & skf21("7","2","4","5","4","1","6","1") = "6"
    & skf21("7","2","4","5","4","1","7","1") = "6"
    & skf21("7","2","4","5","4","2","1","1") = "6"
    & skf21("7","2","4","5","4","2","2","1") = "6"
    & skf21("7","2","4","5","4","2","3","1") = "6"
    & skf21("7","2","4","5","4","2","4","1") = "6"
    & skf21("7","2","4","5","4","2","5","1") = "6"
    & skf21("7","2","4","5","4","2","6","1") = "6"
    & skf21("7","2","4","5","4","2","7","1") = "6"
    & skf21("7","2","4","5","4","3","1","1") = "6"
    & skf21("7","2","4","5","4","3","2","1") = "6"
    & skf21("7","2","4","5","4","3","3","1") = "6"
    & skf21("7","2","4","5","4","3","4","1") = "6"
    & skf21("7","2","4","5","4","3","5","1") = "6"
    & skf21("7","2","4","5","4","3","6","1") = "6"
    & skf21("7","2","4","5","4","3","7","1") = "6"
    & skf21("7","2","4","5","4","4","1","1") = "6"
    & skf21("7","2","4","5","4","4","2","1") = "6"
    & skf21("7","2","4","5","4","4","3","1") = "6"
    & skf21("7","2","4","5","4","4","4","1") = "6"
    & skf21("7","2","4","5","4","4","5","1") = "6"
    & skf21("7","2","4","5","4","4","6","1") = "6"
    & skf21("7","2","4","5","4","4","7","1") = "6"
    & skf21("7","2","4","5","4","5","1","1") = "6"
    & skf21("7","2","4","5","4","5","2","1") = "6"
    & skf21("7","2","4","5","4","5","3","1") = "6"
    & skf21("7","2","4","5","4","5","4","1") = "6"
    & skf21("7","2","4","5","4","5","5","1") = "6"
    & skf21("7","2","4","5","4","5","6","1") = "6"
    & skf21("7","2","4","5","4","5","7","1") = "6"
    & skf21("7","2","4","5","4","6","1","1") = "6"
    & skf21("7","2","4","5","4","6","2","1") = "6"
    & skf21("7","2","4","5","4","6","3","1") = "6"
    & skf21("7","2","4","5","4","6","4","1") = "6"
    & skf21("7","2","4","5","4","6","5","1") = "6"
    & skf21("7","2","4","5","4","6","6","1") = "6"
    & skf21("7","2","4","5","4","6","7","1") = "6"
    & skf21("7","2","4","5","4","7","1","1") = "6"
    & skf21("7","2","4","5","4","7","2","1") = "6"
    & skf21("7","2","4","5","4","7","3","1") = "6"
    & skf21("7","2","4","5","4","7","4","1") = "6"
    & skf21("7","2","4","5","4","7","5","1") = "6"
    & skf21("7","2","4","5","4","7","6","1") = "6"
    & skf21("7","2","4","5","4","7","7","1") = "6"
    & skf21("7","2","4","5","5","1","1","1") = "6"
    & skf21("7","2","4","5","5","1","2","1") = "6"
    & skf21("7","2","4","5","5","1","3","1") = "6"
    & skf21("7","2","4","5","5","1","4","1") = "6"
    & skf21("7","2","4","5","5","1","5","1") = "6"
    & skf21("7","2","4","5","5","1","6","1") = "6"
    & skf21("7","2","4","5","5","1","7","1") = "6"
    & skf21("7","2","4","5","5","2","1","1") = "6"
    & skf21("7","2","4","5","5","2","2","1") = "6"
    & skf21("7","2","4","5","5","2","3","1") = "6"
    & skf21("7","2","4","5","5","2","4","1") = "6"
    & skf21("7","2","4","5","5","2","5","1") = "6"
    & skf21("7","2","4","5","5","2","6","1") = "6"
    & skf21("7","2","4","5","5","2","7","1") = "6"
    & skf21("7","2","4","5","5","3","1","1") = "6"
    & skf21("7","2","4","5","5","3","2","1") = "6"
    & skf21("7","2","4","5","5","3","3","1") = "6"
    & skf21("7","2","4","5","5","3","4","1") = "6"
    & skf21("7","2","4","5","5","3","5","1") = "6"
    & skf21("7","2","4","5","5","3","6","1") = "6"
    & skf21("7","2","4","5","5","3","7","1") = "6"
    & skf21("7","2","4","5","5","4","1","1") = "6"
    & skf21("7","2","4","5","5","4","2","1") = "6"
    & skf21("7","2","4","5","5","4","3","1") = "6"
    & skf21("7","2","4","5","5","4","4","1") = "6"
    & skf21("7","2","4","5","5","4","5","1") = "6"
    & skf21("7","2","4","5","5","4","6","1") = "6"
    & skf21("7","2","4","5","5","4","7","1") = "6"
    & skf21("7","2","4","5","5","5","1","1") = "6"
    & skf21("7","2","4","5","5","5","2","1") = "6"
    & skf21("7","2","4","5","5","5","3","1") = "6"
    & skf21("7","2","4","5","5","5","4","1") = "6"
    & skf21("7","2","4","5","5","5","5","1") = "6"
    & skf21("7","2","4","5","5","5","6","1") = "6"
    & skf21("7","2","4","5","5","5","7","1") = "6"
    & skf21("7","2","4","5","5","6","1","1") = "6"
    & skf21("7","2","4","5","5","6","2","1") = "6"
    & skf21("7","2","4","5","5","6","3","1") = "6"
    & skf21("7","2","4","5","5","6","4","1") = "6"
    & skf21("7","2","4","5","5","6","5","1") = "6"
    & skf21("7","2","4","5","5","6","6","1") = "6"
    & skf21("7","2","4","5","5","6","7","1") = "6"
    & skf21("7","2","4","5","5","7","1","1") = "6"
    & skf21("7","2","4","5","5","7","2","1") = "6"
    & skf21("7","2","4","5","5","7","3","1") = "6"
    & skf21("7","2","4","5","5","7","4","1") = "6"
    & skf21("7","2","4","5","5","7","5","1") = "6"
    & skf21("7","2","4","5","5","7","6","1") = "6"
    & skf21("7","2","4","5","5","7","7","1") = "6"
    & skf21("7","2","4","5","6","1","1","1") = "6"
    & skf21("7","2","4","5","6","1","2","1") = "6"
    & skf21("7","2","4","5","6","1","3","1") = "6"
    & skf21("7","2","4","5","6","1","4","1") = "6"
    & skf21("7","2","4","5","6","1","5","1") = "6"
    & skf21("7","2","4","5","6","1","6","1") = "6"
    & skf21("7","2","4","5","6","1","7","1") = "6"
    & skf21("7","2","4","5","6","2","1","1") = "6"
    & skf21("7","2","4","5","6","2","2","1") = "6"
    & skf21("7","2","4","5","6","2","3","1") = "6"
    & skf21("7","2","4","5","6","2","4","1") = "6"
    & skf21("7","2","4","5","6","2","5","1") = "6"
    & skf21("7","2","4","5","6","2","6","1") = "6"
    & skf21("7","2","4","5","6","2","7","1") = "6"
    & skf21("7","2","4","5","6","3","1","1") = "6"
    & skf21("7","2","4","5","6","3","2","1") = "6"
    & skf21("7","2","4","5","6","3","3","1") = "6"
    & skf21("7","2","4","5","6","3","4","1") = "6"
    & skf21("7","2","4","5","6","3","5","1") = "6"
    & skf21("7","2","4","5","6","3","6","1") = "6"
    & skf21("7","2","4","5","6","3","7","1") = "6"
    & skf21("7","2","4","5","6","4","1","1") = "6"
    & skf21("7","2","4","5","6","4","2","1") = "6"
    & skf21("7","2","4","5","6","4","3","1") = "6"
    & skf21("7","2","4","5","6","4","4","1") = "6"
    & skf21("7","2","4","5","6","4","5","1") = "6"
    & skf21("7","2","4","5","6","4","6","1") = "6"
    & skf21("7","2","4","5","6","4","7","1") = "6"
    & skf21("7","2","4","5","6","5","1","1") = "6"
    & skf21("7","2","4","5","6","5","2","1") = "6"
    & skf21("7","2","4","5","6","5","3","1") = "6"
    & skf21("7","2","4","5","6","5","4","1") = "6"
    & skf21("7","2","4","5","6","5","5","1") = "6"
    & skf21("7","2","4","5","6","5","6","1") = "6"
    & skf21("7","2","4","5","6","5","7","1") = "6"
    & skf21("7","2","4","5","6","6","1","1") = "6"
    & skf21("7","2","4","5","6","6","2","1") = "6"
    & skf21("7","2","4","5","6","6","3","1") = "6"
    & skf21("7","2","4","5","6","6","4","1") = "6"
    & skf21("7","2","4","5","6","6","5","1") = "6"
    & skf21("7","2","4","5","6","6","6","1") = "6"
    & skf21("7","2","4","5","6","6","7","1") = "6"
    & skf21("7","2","4","5","6","7","1","1") = "6"
    & skf21("7","2","4","5","6","7","2","1") = "6"
    & skf21("7","2","4","5","6","7","3","1") = "6"
    & skf21("7","2","4","5","6","7","4","1") = "6"
    & skf21("7","2","4","5","6","7","5","1") = "6"
    & skf21("7","2","4","5","6","7","6","1") = "6"
    & skf21("7","2","4","5","6","7","7","1") = "6"
    & skf21("7","2","4","5","7","1","1","1") = "6"
    & skf21("7","2","4","5","7","1","2","1") = "6"
    & skf21("7","2","4","5","7","1","3","1") = "6"
    & skf21("7","2","4","5","7","1","4","1") = "6"
    & skf21("7","2","4","5","7","1","5","1") = "6"
    & skf21("7","2","4","5","7","1","6","1") = "6"
    & skf21("7","2","4","5","7","1","7","1") = "6"
    & skf21("7","2","4","5","7","2","1","1") = "6"
    & skf21("7","2","4","5","7","2","2","1") = "6"
    & skf21("7","2","4","5","7","2","3","1") = "6"
    & skf21("7","2","4","5","7","2","4","1") = "6"
    & skf21("7","2","4","5","7","2","5","1") = "6"
    & skf21("7","2","4","5","7","2","6","1") = "6"
    & skf21("7","2","4","5","7","2","7","1") = "6"
    & skf21("7","2","4","5","7","3","1","1") = "6"
    & skf21("7","2","4","5","7","3","2","1") = "6"
    & skf21("7","2","4","5","7","3","3","1") = "6"
    & skf21("7","2","4","5","7","3","4","1") = "6"
    & skf21("7","2","4","5","7","3","5","1") = "6"
    & skf21("7","2","4","5","7","3","6","1") = "6"
    & skf21("7","2","4","5","7","3","7","1") = "6"
    & skf21("7","2","4","5","7","4","1","1") = "6"
    & skf21("7","2","4","5","7","4","2","1") = "6"
    & skf21("7","2","4","5","7","4","3","1") = "6"
    & skf21("7","2","4","5","7","4","4","1") = "6"
    & skf21("7","2","4","5","7","4","5","1") = "6"
    & skf21("7","2","4","5","7","4","6","1") = "6"
    & skf21("7","2","4","5","7","4","7","1") = "6"
    & skf21("7","2","4","5","7","5","1","1") = "6"
    & skf21("7","2","4","5","7","5","2","1") = "6"
    & skf21("7","2","4","5","7","5","3","1") = "6"
    & skf21("7","2","4","5","7","5","4","1") = "6"
    & skf21("7","2","4","5","7","5","5","1") = "6"
    & skf21("7","2","4","5","7","5","6","1") = "6"
    & skf21("7","2","4","5","7","5","7","1") = "6"
    & skf21("7","2","4","5","7","6","1","1") = "6"
    & skf21("7","2","4","5","7","6","2","1") = "6"
    & skf21("7","2","4","5","7","6","3","1") = "6"
    & skf21("7","2","4","5","7","6","4","1") = "6"
    & skf21("7","2","4","5","7","6","5","1") = "6"
    & skf21("7","2","4","5","7","6","6","1") = "6"
    & skf21("7","2","4","5","7","6","7","1") = "6"
    & skf21("7","2","4","5","7","7","1","1") = "6"
    & skf21("7","2","4","5","7","7","2","1") = "6"
    & skf21("7","2","4","5","7","7","3","1") = "6"
    & skf21("7","2","4","5","7","7","4","1") = "6"
    & skf21("7","2","4","5","7","7","5","1") = "6"
    & skf21("7","2","4","5","7","7","6","1") = "6"
    & skf21("7","2","4","5","7","7","7","1") = "6"
    & skf21("7","2","4","6","1","1","1","1") = "6"
    & skf21("7","2","4","6","1","1","2","1") = "6"
    & skf21("7","2","4","6","1","1","3","1") = "6"
    & skf21("7","2","4","6","1","1","4","1") = "6"
    & skf21("7","2","4","6","1","1","5","1") = "6"
    & skf21("7","2","4","6","1","1","6","1") = "6"
    & skf21("7","2","4","6","1","1","7","1") = "6"
    & skf21("7","2","4","6","1","2","1","1") = "6"
    & skf21("7","2","4","6","1","2","2","1") = "6"
    & skf21("7","2","4","6","1","2","3","1") = "6"
    & skf21("7","2","4","6","1","2","4","1") = "6"
    & skf21("7","2","4","6","1","2","5","1") = "6"
    & skf21("7","2","4","6","1","2","6","1") = "6"
    & skf21("7","2","4","6","1","2","7","1") = "6"
    & skf21("7","2","4","6","1","3","1","1") = "6"
    & skf21("7","2","4","6","1","3","2","1") = "6"
    & skf21("7","2","4","6","1","3","3","1") = "6"
    & skf21("7","2","4","6","1","3","4","1") = "6"
    & skf21("7","2","4","6","1","3","5","1") = "6"
    & skf21("7","2","4","6","1","3","6","1") = "6"
    & skf21("7","2","4","6","1","3","7","1") = "6"
    & skf21("7","2","4","6","1","4","1","1") = "6"
    & skf21("7","2","4","6","1","4","2","1") = "6"
    & skf21("7","2","4","6","1","4","3","1") = "6"
    & skf21("7","2","4","6","1","4","4","1") = "6"
    & skf21("7","2","4","6","1","4","5","1") = "6"
    & skf21("7","2","4","6","1","4","6","1") = "6"
    & skf21("7","2","4","6","1","4","7","1") = "6"
    & skf21("7","2","4","6","1","5","1","1") = "6"
    & skf21("7","2","4","6","1","5","2","1") = "6"
    & skf21("7","2","4","6","1","5","3","1") = "6"
    & skf21("7","2","4","6","1","5","4","1") = "6"
    & skf21("7","2","4","6","1","5","5","1") = "6"
    & skf21("7","2","4","6","1","5","6","1") = "6"
    & skf21("7","2","4","6","1","5","7","1") = "6"
    & skf21("7","2","4","6","1","6","1","1") = "6"
    & skf21("7","2","4","6","1","6","2","1") = "6"
    & skf21("7","2","4","6","1","6","3","1") = "6"
    & skf21("7","2","4","6","1","6","4","1") = "6"
    & skf21("7","2","4","6","1","6","5","1") = "6"
    & skf21("7","2","4","6","1","6","6","1") = "6"
    & skf21("7","2","4","6","1","6","7","1") = "6"
    & skf21("7","2","4","6","1","7","1","1") = "6"
    & skf21("7","2","4","6","1","7","2","1") = "6"
    & skf21("7","2","4","6","1","7","3","1") = "6"
    & skf21("7","2","4","6","1","7","4","1") = "6"
    & skf21("7","2","4","6","1","7","5","1") = "6"
    & skf21("7","2","4","6","1","7","6","1") = "6"
    & skf21("7","2","4","6","1","7","7","1") = "6"
    & skf21("7","2","4","6","2","1","1","1") = "6"
    & skf21("7","2","4","6","2","1","2","1") = "6"
    & skf21("7","2","4","6","2","1","3","1") = "6"
    & skf21("7","2","4","6","2","1","4","1") = "6"
    & skf21("7","2","4","6","2","1","5","1") = "6"
    & skf21("7","2","4","6","2","1","6","1") = "6"
    & skf21("7","2","4","6","2","1","7","1") = "6"
    & skf21("7","2","4","6","2","2","1","1") = "6"
    & skf21("7","2","4","6","2","2","2","1") = "6"
    & skf21("7","2","4","6","2","2","3","1") = "6"
    & skf21("7","2","4","6","2","2","4","1") = "6"
    & skf21("7","2","4","6","2","2","5","1") = "6"
    & skf21("7","2","4","6","2","2","6","1") = "6"
    & skf21("7","2","4","6","2","2","7","1") = "6"
    & skf21("7","2","4","6","2","3","1","1") = "6"
    & skf21("7","2","4","6","2","3","2","1") = "6"
    & skf21("7","2","4","6","2","3","3","1") = "6"
    & skf21("7","2","4","6","2","3","4","1") = "6"
    & skf21("7","2","4","6","2","3","5","1") = "6"
    & skf21("7","2","4","6","2","3","6","1") = "6"
    & skf21("7","2","4","6","2","3","7","1") = "6"
    & skf21("7","2","4","6","2","4","1","1") = "6"
    & skf21("7","2","4","6","2","4","2","1") = "6"
    & skf21("7","2","4","6","2","4","3","1") = "6"
    & skf21("7","2","4","6","2","4","4","1") = "6"
    & skf21("7","2","4","6","2","4","5","1") = "6"
    & skf21("7","2","4","6","2","4","6","1") = "6"
    & skf21("7","2","4","6","2","4","7","1") = "6"
    & skf21("7","2","4","6","2","5","1","1") = "6"
    & skf21("7","2","4","6","2","5","2","1") = "6"
    & skf21("7","2","4","6","2","5","3","1") = "6"
    & skf21("7","2","4","6","2","5","4","1") = "6"
    & skf21("7","2","4","6","2","5","5","1") = "6"
    & skf21("7","2","4","6","2","5","6","1") = "6"
    & skf21("7","2","4","6","2","5","7","1") = "6"
    & skf21("7","2","4","6","2","6","1","1") = "6"
    & skf21("7","2","4","6","2","6","2","1") = "6"
    & skf21("7","2","4","6","2","6","3","1") = "6"
    & skf21("7","2","4","6","2","6","4","1") = "6"
    & skf21("7","2","4","6","2","6","5","1") = "6"
    & skf21("7","2","4","6","2","6","6","1") = "6"
    & skf21("7","2","4","6","2","6","7","1") = "6"
    & skf21("7","2","4","6","2","7","1","1") = "6"
    & skf21("7","2","4","6","2","7","2","1") = "6"
    & skf21("7","2","4","6","2","7","3","1") = "6"
    & skf21("7","2","4","6","2","7","4","1") = "6"
    & skf21("7","2","4","6","2","7","5","1") = "6"
    & skf21("7","2","4","6","2","7","6","1") = "6"
    & skf21("7","2","4","6","2","7","7","1") = "6"
    & skf21("7","2","4","6","3","1","1","1") = "6"
    & skf21("7","2","4","6","3","1","2","1") = "6"
    & skf21("7","2","4","6","3","1","3","1") = "6"
    & skf21("7","2","4","6","3","1","4","1") = "6"
    & skf21("7","2","4","6","3","1","5","1") = "6"
    & skf21("7","2","4","6","3","1","6","1") = "6"
    & skf21("7","2","4","6","3","1","7","1") = "6"
    & skf21("7","2","4","6","3","2","1","1") = "6"
    & skf21("7","2","4","6","3","2","2","1") = "6"
    & skf21("7","2","4","6","3","2","3","1") = "6"
    & skf21("7","2","4","6","3","2","4","1") = "6"
    & skf21("7","2","4","6","3","2","5","1") = "6"
    & skf21("7","2","4","6","3","2","6","1") = "6"
    & skf21("7","2","4","6","3","2","7","1") = "6"
    & skf21("7","2","4","6","3","3","1","1") = "6"
    & skf21("7","2","4","6","3","3","2","1") = "6"
    & skf21("7","2","4","6","3","3","3","1") = "6"
    & skf21("7","2","4","6","3","3","4","1") = "6"
    & skf21("7","2","4","6","3","3","5","1") = "6"
    & skf21("7","2","4","6","3","3","6","1") = "6"
    & skf21("7","2","4","6","3","3","7","1") = "6"
    & skf21("7","2","4","6","3","4","1","1") = "6"
    & skf21("7","2","4","6","3","4","2","1") = "6"
    & skf21("7","2","4","6","3","4","3","1") = "6"
    & skf21("7","2","4","6","3","4","4","1") = "6"
    & skf21("7","2","4","6","3","4","5","1") = "6"
    & skf21("7","2","4","6","3","4","6","1") = "6"
    & skf21("7","2","4","6","3","4","7","1") = "6"
    & skf21("7","2","4","6","3","5","1","1") = "6"
    & skf21("7","2","4","6","3","5","2","1") = "6"
    & skf21("7","2","4","6","3","5","3","1") = "6"
    & skf21("7","2","4","6","3","5","4","1") = "6"
    & skf21("7","2","4","6","3","5","5","1") = "6"
    & skf21("7","2","4","6","3","5","6","1") = "6"
    & skf21("7","2","4","6","3","5","7","1") = "6"
    & skf21("7","2","4","6","3","6","1","1") = "6"
    & skf21("7","2","4","6","3","6","2","1") = "6"
    & skf21("7","2","4","6","3","6","3","1") = "6"
    & skf21("7","2","4","6","3","6","4","1") = "6"
    & skf21("7","2","4","6","3","6","5","1") = "6"
    & skf21("7","2","4","6","3","6","6","1") = "6"
    & skf21("7","2","4","6","3","6","7","1") = "6"
    & skf21("7","2","4","6","3","7","1","1") = "6"
    & skf21("7","2","4","6","3","7","2","1") = "6"
    & skf21("7","2","4","6","3","7","3","1") = "6"
    & skf21("7","2","4","6","3","7","4","1") = "6"
    & skf21("7","2","4","6","3","7","5","1") = "6"
    & skf21("7","2","4","6","3","7","6","1") = "6"
    & skf21("7","2","4","6","3","7","7","1") = "6"
    & skf21("7","2","4","6","4","1","1","1") = "6"
    & skf21("7","2","4","6","4","1","2","1") = "6"
    & skf21("7","2","4","6","4","1","3","1") = "6"
    & skf21("7","2","4","6","4","1","4","1") = "6"
    & skf21("7","2","4","6","4","1","5","1") = "6"
    & skf21("7","2","4","6","4","1","6","1") = "6"
    & skf21("7","2","4","6","4","1","7","1") = "6"
    & skf21("7","2","4","6","4","2","1","1") = "6"
    & skf21("7","2","4","6","4","2","2","1") = "6"
    & skf21("7","2","4","6","4","2","3","1") = "6"
    & skf21("7","2","4","6","4","2","4","1") = "6"
    & skf21("7","2","4","6","4","2","5","1") = "6"
    & skf21("7","2","4","6","4","2","6","1") = "6"
    & skf21("7","2","4","6","4","2","7","1") = "6"
    & skf21("7","2","4","6","4","3","1","1") = "6"
    & skf21("7","2","4","6","4","3","2","1") = "6"
    & skf21("7","2","4","6","4","3","3","1") = "6"
    & skf21("7","2","4","6","4","3","4","1") = "6"
    & skf21("7","2","4","6","4","3","5","1") = "6"
    & skf21("7","2","4","6","4","3","6","1") = "6"
    & skf21("7","2","4","6","4","3","7","1") = "6"
    & skf21("7","2","4","6","4","4","1","1") = "6"
    & skf21("7","2","4","6","4","4","2","1") = "6"
    & skf21("7","2","4","6","4","4","3","1") = "6"
    & skf21("7","2","4","6","4","4","4","1") = "6"
    & skf21("7","2","4","6","4","4","5","1") = "6"
    & skf21("7","2","4","6","4","4","6","1") = "6"
    & skf21("7","2","4","6","4","4","7","1") = "6"
    & skf21("7","2","4","6","4","5","1","1") = "6"
    & skf21("7","2","4","6","4","5","2","1") = "6"
    & skf21("7","2","4","6","4","5","3","1") = "6"
    & skf21("7","2","4","6","4","5","4","1") = "6"
    & skf21("7","2","4","6","4","5","5","1") = "6"
    & skf21("7","2","4","6","4","5","6","1") = "6"
    & skf21("7","2","4","6","4","5","7","1") = "6"
    & skf21("7","2","4","6","4","6","1","1") = "6"
    & skf21("7","2","4","6","4","6","2","1") = "6"
    & skf21("7","2","4","6","4","6","3","1") = "6"
    & skf21("7","2","4","6","4","6","4","1") = "6"
    & skf21("7","2","4","6","4","6","5","1") = "6"
    & skf21("7","2","4","6","4","6","6","1") = "6"
    & skf21("7","2","4","6","4","6","7","1") = "6"
    & skf21("7","2","4","6","4","7","1","1") = "6"
    & skf21("7","2","4","6","4","7","2","1") = "6"
    & skf21("7","2","4","6","4","7","3","1") = "6"
    & skf21("7","2","4","6","4","7","4","1") = "6"
    & skf21("7","2","4","6","4","7","5","1") = "6"
    & skf21("7","2","4","6","4","7","6","1") = "6"
    & skf21("7","2","4","6","4","7","7","1") = "6"
    & skf21("7","2","4","6","5","1","1","1") = "6"
    & skf21("7","2","4","6","5","1","2","1") = "6"
    & skf21("7","2","4","6","5","1","3","1") = "6"
    & skf21("7","2","4","6","5","1","4","1") = "6"
    & skf21("7","2","4","6","5","1","5","1") = "6"
    & skf21("7","2","4","6","5","1","6","1") = "6"
    & skf21("7","2","4","6","5","1","7","1") = "6"
    & skf21("7","2","4","6","5","2","1","1") = "6"
    & skf21("7","2","4","6","5","2","2","1") = "6"
    & skf21("7","2","4","6","5","2","3","1") = "6"
    & skf21("7","2","4","6","5","2","4","1") = "6"
    & skf21("7","2","4","6","5","2","5","1") = "6"
    & skf21("7","2","4","6","5","2","6","1") = "6"
    & skf21("7","2","4","6","5","2","7","1") = "6"
    & skf21("7","2","4","6","5","3","1","1") = "6"
    & skf21("7","2","4","6","5","3","2","1") = "6"
    & skf21("7","2","4","6","5","3","3","1") = "6"
    & skf21("7","2","4","6","5","3","4","1") = "6"
    & skf21("7","2","4","6","5","3","5","1") = "6"
    & skf21("7","2","4","6","5","3","6","1") = "6"
    & skf21("7","2","4","6","5","3","7","1") = "6"
    & skf21("7","2","4","6","5","4","1","1") = "6"
    & skf21("7","2","4","6","5","4","2","1") = "6"
    & skf21("7","2","4","6","5","4","3","1") = "6"
    & skf21("7","2","4","6","5","4","4","1") = "6"
    & skf21("7","2","4","6","5","4","5","1") = "6"
    & skf21("7","2","4","6","5","4","6","1") = "6"
    & skf21("7","2","4","6","5","4","7","1") = "6"
    & skf21("7","2","4","6","5","5","1","1") = "6"
    & skf21("7","2","4","6","5","5","2","1") = "6"
    & skf21("7","2","4","6","5","5","3","1") = "6"
    & skf21("7","2","4","6","5","5","4","1") = "6"
    & skf21("7","2","4","6","5","5","5","1") = "6"
    & skf21("7","2","4","6","5","5","6","1") = "6"
    & skf21("7","2","4","6","5","5","7","1") = "6"
    & skf21("7","2","4","6","5","6","1","1") = "6"
    & skf21("7","2","4","6","5","6","2","1") = "6"
    & skf21("7","2","4","6","5","6","3","1") = "6"
    & skf21("7","2","4","6","5","6","4","1") = "6"
    & skf21("7","2","4","6","5","6","5","1") = "6"
    & skf21("7","2","4","6","5","6","6","1") = "6"
    & skf21("7","2","4","6","5","6","7","1") = "6"
    & skf21("7","2","4","6","5","7","1","1") = "6"
    & skf21("7","2","4","6","5","7","2","1") = "6"
    & skf21("7","2","4","6","5","7","3","1") = "6"
    & skf21("7","2","4","6","5","7","4","1") = "6"
    & skf21("7","2","4","6","5","7","5","1") = "6"
    & skf21("7","2","4","6","5","7","6","1") = "6"
    & skf21("7","2","4","6","5","7","7","1") = "6"
    & skf21("7","2","4","6","6","1","1","1") = "6"
    & skf21("7","2","4","6","6","1","2","1") = "6"
    & skf21("7","2","4","6","6","1","3","1") = "6"
    & skf21("7","2","4","6","6","1","4","1") = "6"
    & skf21("7","2","4","6","6","1","5","1") = "6"
    & skf21("7","2","4","6","6","1","6","1") = "6"
    & skf21("7","2","4","6","6","1","7","1") = "6"
    & skf21("7","2","4","6","6","2","1","1") = "6"
    & skf21("7","2","4","6","6","2","2","1") = "6"
    & skf21("7","2","4","6","6","2","3","1") = "6"
    & skf21("7","2","4","6","6","2","4","1") = "6"
    & skf21("7","2","4","6","6","2","5","1") = "6"
    & skf21("7","2","4","6","6","2","6","1") = "6"
    & skf21("7","2","4","6","6","2","7","1") = "6"
    & skf21("7","2","4","6","6","3","1","1") = "6"
    & skf21("7","2","4","6","6","3","2","1") = "6"
    & skf21("7","2","4","6","6","3","3","1") = "6"
    & skf21("7","2","4","6","6","3","4","1") = "6"
    & skf21("7","2","4","6","6","3","5","1") = "6"
    & skf21("7","2","4","6","6","3","6","1") = "6"
    & skf21("7","2","4","6","6","3","7","1") = "6"
    & skf21("7","2","4","6","6","4","1","1") = "6"
    & skf21("7","2","4","6","6","4","2","1") = "6"
    & skf21("7","2","4","6","6","4","3","1") = "6"
    & skf21("7","2","4","6","6","4","4","1") = "6"
    & skf21("7","2","4","6","6","4","5","1") = "6"
    & skf21("7","2","4","6","6","4","6","1") = "6"
    & skf21("7","2","4","6","6","4","7","1") = "6"
    & skf21("7","2","4","6","6","5","1","1") = "6"
    & skf21("7","2","4","6","6","5","2","1") = "6"
    & skf21("7","2","4","6","6","5","3","1") = "6"
    & skf21("7","2","4","6","6","5","4","1") = "6"
    & skf21("7","2","4","6","6","5","5","1") = "6"
    & skf21("7","2","4","6","6","5","6","1") = "6"
    & skf21("7","2","4","6","6","5","7","1") = "6"
    & skf21("7","2","4","6","6","6","1","1") = "6"
    & skf21("7","2","4","6","6","6","2","1") = "6"
    & skf21("7","2","4","6","6","6","3","1") = "6"
    & skf21("7","2","4","6","6","6","4","1") = "6"
    & skf21("7","2","4","6","6","6","5","1") = "6"
    & skf21("7","2","4","6","6","6","6","1") = "6"
    & skf21("7","2","4","6","6","6","7","1") = "6"
    & skf21("7","2","4","6","6","7","1","1") = "6"
    & skf21("7","2","4","6","6","7","2","1") = "6"
    & skf21("7","2","4","6","6","7","3","1") = "6"
    & skf21("7","2","4","6","6","7","4","1") = "6"
    & skf21("7","2","4","6","6","7","5","1") = "6"
    & skf21("7","2","4","6","6","7","6","1") = "6"
    & skf21("7","2","4","6","6","7","7","1") = "6"
    & skf21("7","2","4","6","7","1","1","1") = "6"
    & skf21("7","2","4","6","7","1","2","1") = "6"
    & skf21("7","2","4","6","7","1","3","1") = "6"
    & skf21("7","2","4","6","7","1","4","1") = "6"
    & skf21("7","2","4","6","7","1","5","1") = "6"
    & skf21("7","2","4","6","7","1","6","1") = "6"
    & skf21("7","2","4","6","7","1","7","1") = "6"
    & skf21("7","2","4","6","7","2","1","1") = "6"
    & skf21("7","2","4","6","7","2","2","1") = "6"
    & skf21("7","2","4","6","7","2","3","1") = "6"
    & skf21("7","2","4","6","7","2","4","1") = "6"
    & skf21("7","2","4","6","7","2","5","1") = "6"
    & skf21("7","2","4","6","7","2","6","1") = "6"
    & skf21("7","2","4","6","7","2","7","1") = "6"
    & skf21("7","2","4","6","7","3","1","1") = "6"
    & skf21("7","2","4","6","7","3","2","1") = "6"
    & skf21("7","2","4","6","7","3","3","1") = "6"
    & skf21("7","2","4","6","7","3","4","1") = "6"
    & skf21("7","2","4","6","7","3","5","1") = "6"
    & skf21("7","2","4","6","7","3","6","1") = "6"
    & skf21("7","2","4","6","7","3","7","1") = "6"
    & skf21("7","2","4","6","7","4","1","1") = "6"
    & skf21("7","2","4","6","7","4","2","1") = "6"
    & skf21("7","2","4","6","7","4","3","1") = "6"
    & skf21("7","2","4","6","7","4","4","1") = "6"
    & skf21("7","2","4","6","7","4","5","1") = "6"
    & skf21("7","2","4","6","7","4","6","1") = "6"
    & skf21("7","2","4","6","7","4","7","1") = "6"
    & skf21("7","2","4","6","7","5","1","1") = "6"
    & skf21("7","2","4","6","7","5","2","1") = "6"
    & skf21("7","2","4","6","7","5","3","1") = "6"
    & skf21("7","2","4","6","7","5","4","1") = "6"
    & skf21("7","2","4","6","7","5","5","1") = "6"
    & skf21("7","2","4","6","7","5","6","1") = "6"
    & skf21("7","2","4","6","7","5","7","1") = "6"
    & skf21("7","2","4","6","7","6","1","1") = "6"
    & skf21("7","2","4","6","7","6","2","1") = "6"
    & skf21("7","2","4","6","7","6","3","1") = "6"
    & skf21("7","2","4","6","7","6","4","1") = "6"
    & skf21("7","2","4","6","7","6","5","1") = "6"
    & skf21("7","2","4","6","7","6","6","1") = "6"
    & skf21("7","2","4","6","7","6","7","1") = "6"
    & skf21("7","2","4","6","7","7","1","1") = "6"
    & skf21("7","2","4","6","7","7","2","1") = "6"
    & skf21("7","2","4","6","7","7","3","1") = "6"
    & skf21("7","2","4","6","7","7","4","1") = "6"
    & skf21("7","2","4","6","7","7","5","1") = "6"
    & skf21("7","2","4","6","7","7","6","1") = "6"
    & skf21("7","2","4","6","7","7","7","1") = "6"
    & skf21("7","2","4","7","1","1","1","1") = "6"
    & skf21("7","2","4","7","1","1","2","1") = "6"
    & skf21("7","2","4","7","1","1","3","1") = "6"
    & skf21("7","2","4","7","1","1","4","1") = "6"
    & skf21("7","2","4","7","1","1","5","1") = "6"
    & skf21("7","2","4","7","1","1","6","1") = "6"
    & skf21("7","2","4","7","1","1","7","1") = "6"
    & skf21("7","2","4","7","1","2","1","1") = "6"
    & skf21("7","2","4","7","1","2","2","1") = "6"
    & skf21("7","2","4","7","1","2","3","1") = "6"
    & skf21("7","2","4","7","1","2","4","1") = "6"
    & skf21("7","2","4","7","1","2","5","1") = "6"
    & skf21("7","2","4","7","1","2","6","1") = "6"
    & skf21("7","2","4","7","1","2","7","1") = "6"
    & skf21("7","2","4","7","1","3","1","1") = "6"
    & skf21("7","2","4","7","1","3","2","1") = "6"
    & skf21("7","2","4","7","1","3","3","1") = "6"
    & skf21("7","2","4","7","1","3","4","1") = "6"
    & skf21("7","2","4","7","1","3","5","1") = "6"
    & skf21("7","2","4","7","1","3","6","1") = "6"
    & skf21("7","2","4","7","1","3","7","1") = "6"
    & skf21("7","2","4","7","1","4","1","1") = "6"
    & skf21("7","2","4","7","1","4","2","1") = "6"
    & skf21("7","2","4","7","1","4","3","1") = "6"
    & skf21("7","2","4","7","1","4","4","1") = "6"
    & skf21("7","2","4","7","1","4","5","1") = "6"
    & skf21("7","2","4","7","1","4","6","1") = "6"
    & skf21("7","2","4","7","1","4","7","1") = "6"
    & skf21("7","2","4","7","1","5","1","1") = "6"
    & skf21("7","2","4","7","1","5","2","1") = "6"
    & skf21("7","2","4","7","1","5","3","1") = "6"
    & skf21("7","2","4","7","1","5","4","1") = "6"
    & skf21("7","2","4","7","1","5","5","1") = "6"
    & skf21("7","2","4","7","1","5","6","1") = "6"
    & skf21("7","2","4","7","1","5","7","1") = "6"
    & skf21("7","2","4","7","1","6","1","1") = "6"
    & skf21("7","2","4","7","1","6","2","1") = "6"
    & skf21("7","2","4","7","1","6","3","1") = "6"
    & skf21("7","2","4","7","1","6","4","1") = "6"
    & skf21("7","2","4","7","1","6","5","1") = "6"
    & skf21("7","2","4","7","1","6","6","1") = "6"
    & skf21("7","2","4","7","1","6","7","1") = "6"
    & skf21("7","2","4","7","1","7","1","1") = "6"
    & skf21("7","2","4","7","1","7","2","1") = "6"
    & skf21("7","2","4","7","1","7","3","1") = "6"
    & skf21("7","2","4","7","1","7","4","1") = "6"
    & skf21("7","2","4","7","1","7","5","1") = "6"
    & skf21("7","2","4","7","1","7","6","1") = "6"
    & skf21("7","2","4","7","1","7","7","1") = "6"
    & skf21("7","2","4","7","2","1","1","1") = "6"
    & skf21("7","2","4","7","2","1","2","1") = "6"
    & skf21("7","2","4","7","2","1","3","1") = "6"
    & skf21("7","2","4","7","2","1","4","1") = "6"
    & skf21("7","2","4","7","2","1","5","1") = "6"
    & skf21("7","2","4","7","2","1","6","1") = "6"
    & skf21("7","2","4","7","2","1","7","1") = "6"
    & skf21("7","2","4","7","2","2","1","1") = "6"
    & skf21("7","2","4","7","2","2","2","1") = "6"
    & skf21("7","2","4","7","2","2","3","1") = "6"
    & skf21("7","2","4","7","2","2","4","1") = "6"
    & skf21("7","2","4","7","2","2","5","1") = "6"
    & skf21("7","2","4","7","2","2","6","1") = "6"
    & skf21("7","2","4","7","2","2","7","1") = "6"
    & skf21("7","2","4","7","2","3","1","1") = "6"
    & skf21("7","2","4","7","2","3","2","1") = "6"
    & skf21("7","2","4","7","2","3","3","1") = "6"
    & skf21("7","2","4","7","2","3","4","1") = "6"
    & skf21("7","2","4","7","2","3","5","1") = "6"
    & skf21("7","2","4","7","2","3","6","1") = "6"
    & skf21("7","2","4","7","2","3","7","1") = "6"
    & skf21("7","2","4","7","2","4","1","1") = "6"
    & skf21("7","2","4","7","2","4","2","1") = "6"
    & skf21("7","2","4","7","2","4","3","1") = "6"
    & skf21("7","2","4","7","2","4","4","1") = "6"
    & skf21("7","2","4","7","2","4","5","1") = "6"
    & skf21("7","2","4","7","2","4","6","1") = "6"
    & skf21("7","2","4","7","2","4","7","1") = "6"
    & skf21("7","2","4","7","2","5","1","1") = "6"
    & skf21("7","2","4","7","2","5","2","1") = "6"
    & skf21("7","2","4","7","2","5","3","1") = "6"
    & skf21("7","2","4","7","2","5","4","1") = "6"
    & skf21("7","2","4","7","2","5","5","1") = "6"
    & skf21("7","2","4","7","2","5","6","1") = "6"
    & skf21("7","2","4","7","2","5","7","1") = "6"
    & skf21("7","2","4","7","2","6","1","1") = "6"
    & skf21("7","2","4","7","2","6","2","1") = "6"
    & skf21("7","2","4","7","2","6","3","1") = "6"
    & skf21("7","2","4","7","2","6","4","1") = "6"
    & skf21("7","2","4","7","2","6","5","1") = "6"
    & skf21("7","2","4","7","2","6","6","1") = "6"
    & skf21("7","2","4","7","2","6","7","1") = "6"
    & skf21("7","2","4","7","2","7","1","1") = "6"
    & skf21("7","2","4","7","2","7","2","1") = "6"
    & skf21("7","2","4","7","2","7","3","1") = "6"
    & skf21("7","2","4","7","2","7","4","1") = "6"
    & skf21("7","2","4","7","2","7","5","1") = "6"
    & skf21("7","2","4","7","2","7","6","1") = "6"
    & skf21("7","2","4","7","2","7","7","1") = "6"
    & skf21("7","2","4","7","3","1","1","1") = "6"
    & skf21("7","2","4","7","3","1","2","1") = "6"
    & skf21("7","2","4","7","3","1","3","1") = "6"
    & skf21("7","2","4","7","3","1","4","1") = "6"
    & skf21("7","2","4","7","3","1","5","1") = "6"
    & skf21("7","2","4","7","3","1","6","1") = "6"
    & skf21("7","2","4","7","3","1","7","1") = "6"
    & skf21("7","2","4","7","3","2","1","1") = "6"
    & skf21("7","2","4","7","3","2","2","1") = "6"
    & skf21("7","2","4","7","3","2","3","1") = "6"
    & skf21("7","2","4","7","3","2","4","1") = "6"
    & skf21("7","2","4","7","3","2","5","1") = "6"
    & skf21("7","2","4","7","3","2","6","1") = "6"
    & skf21("7","2","4","7","3","2","7","1") = "6"
    & skf21("7","2","4","7","3","3","1","1") = "6"
    & skf21("7","2","4","7","3","3","2","1") = "6"
    & skf21("7","2","4","7","3","3","3","1") = "6"
    & skf21("7","2","4","7","3","3","4","1") = "6"
    & skf21("7","2","4","7","3","3","5","1") = "6"
    & skf21("7","2","4","7","3","3","6","1") = "6"
    & skf21("7","2","4","7","3","3","7","1") = "6"
    & skf21("7","2","4","7","3","4","1","1") = "6"
    & skf21("7","2","4","7","3","4","2","1") = "6"
    & skf21("7","2","4","7","3","4","3","1") = "6"
    & skf21("7","2","4","7","3","4","4","1") = "6"
    & skf21("7","2","4","7","3","4","5","1") = "6"
    & skf21("7","2","4","7","3","4","6","1") = "6"
    & skf21("7","2","4","7","3","4","7","1") = "6"
    & skf21("7","2","4","7","3","5","1","1") = "6"
    & skf21("7","2","4","7","3","5","2","1") = "6"
    & skf21("7","2","4","7","3","5","3","1") = "6"
    & skf21("7","2","4","7","3","5","4","1") = "6"
    & skf21("7","2","4","7","3","5","5","1") = "6"
    & skf21("7","2","4","7","3","5","6","1") = "6"
    & skf21("7","2","4","7","3","5","7","1") = "6"
    & skf21("7","2","4","7","3","6","1","1") = "6"
    & skf21("7","2","4","7","3","6","2","1") = "6"
    & skf21("7","2","4","7","3","6","3","1") = "6"
    & skf21("7","2","4","7","3","6","4","1") = "6"
    & skf21("7","2","4","7","3","6","5","1") = "6"
    & skf21("7","2","4","7","3","6","6","1") = "6"
    & skf21("7","2","4","7","3","6","7","1") = "6"
    & skf21("7","2","4","7","3","7","1","1") = "6"
    & skf21("7","2","4","7","3","7","2","1") = "6"
    & skf21("7","2","4","7","3","7","3","1") = "6"
    & skf21("7","2","4","7","3","7","4","1") = "6"
    & skf21("7","2","4","7","3","7","5","1") = "6"
    & skf21("7","2","4","7","3","7","6","1") = "6"
    & skf21("7","2","4","7","3","7","7","1") = "6"
    & skf21("7","2","4","7","4","1","1","1") = "6"
    & skf21("7","2","4","7","4","1","2","1") = "6"
    & skf21("7","2","4","7","4","1","3","1") = "6"
    & skf21("7","2","4","7","4","1","4","1") = "6"
    & skf21("7","2","4","7","4","1","5","1") = "6"
    & skf21("7","2","4","7","4","1","6","1") = "6"
    & skf21("7","2","4","7","4","1","7","1") = "6"
    & skf21("7","2","4","7","4","2","1","1") = "6"
    & skf21("7","2","4","7","4","2","2","1") = "6"
    & skf21("7","2","4","7","4","2","3","1") = "6"
    & skf21("7","2","4","7","4","2","4","1") = "6"
    & skf21("7","2","4","7","4","2","5","1") = "6"
    & skf21("7","2","4","7","4","2","6","1") = "6"
    & skf21("7","2","4","7","4","2","7","1") = "6"
    & skf21("7","2","4","7","4","3","1","1") = "6"
    & skf21("7","2","4","7","4","3","2","1") = "6"
    & skf21("7","2","4","7","4","3","3","1") = "6"
    & skf21("7","2","4","7","4","3","4","1") = "6"
    & skf21("7","2","4","7","4","3","5","1") = "6"
    & skf21("7","2","4","7","4","3","6","1") = "6"
    & skf21("7","2","4","7","4","3","7","1") = "6"
    & skf21("7","2","4","7","4","4","1","1") = "6"
    & skf21("7","2","4","7","4","4","2","1") = "6"
    & skf21("7","2","4","7","4","4","3","1") = "6"
    & skf21("7","2","4","7","4","4","4","1") = "6"
    & skf21("7","2","4","7","4","4","5","1") = "6"
    & skf21("7","2","4","7","4","4","6","1") = "6"
    & skf21("7","2","4","7","4","4","7","1") = "6"
    & skf21("7","2","4","7","4","5","1","1") = "6"
    & skf21("7","2","4","7","4","5","2","1") = "6"
    & skf21("7","2","4","7","4","5","3","1") = "6"
    & skf21("7","2","4","7","4","5","4","1") = "6"
    & skf21("7","2","4","7","4","5","5","1") = "6"
    & skf21("7","2","4","7","4","5","6","1") = "6"
    & skf21("7","2","4","7","4","5","7","1") = "6"
    & skf21("7","2","4","7","4","6","1","1") = "6"
    & skf21("7","2","4","7","4","6","2","1") = "6"
    & skf21("7","2","4","7","4","6","3","1") = "6"
    & skf21("7","2","4","7","4","6","4","1") = "6"
    & skf21("7","2","4","7","4","6","5","1") = "6"
    & skf21("7","2","4","7","4","6","6","1") = "6"
    & skf21("7","2","4","7","4","6","7","1") = "6"
    & skf21("7","2","4","7","4","7","1","1") = "6"
    & skf21("7","2","4","7","4","7","2","1") = "6"
    & skf21("7","2","4","7","4","7","3","1") = "6"
    & skf21("7","2","4","7","4","7","4","1") = "6"
    & skf21("7","2","4","7","4","7","5","1") = "6"
    & skf21("7","2","4","7","4","7","6","1") = "6"
    & skf21("7","2","4","7","4","7","7","1") = "6"
    & skf21("7","2","4","7","5","1","1","1") = "6"
    & skf21("7","2","4","7","5","1","2","1") = "6"
    & skf21("7","2","4","7","5","1","3","1") = "6"
    & skf21("7","2","4","7","5","1","4","1") = "6"
    & skf21("7","2","4","7","5","1","5","1") = "6"
    & skf21("7","2","4","7","5","1","6","1") = "6"
    & skf21("7","2","4","7","5","1","7","1") = "6"
    & skf21("7","2","4","7","5","2","1","1") = "6"
    & skf21("7","2","4","7","5","2","2","1") = "6"
    & skf21("7","2","4","7","5","2","3","1") = "6"
    & skf21("7","2","4","7","5","2","4","1") = "6"
    & skf21("7","2","4","7","5","2","5","1") = "6"
    & skf21("7","2","4","7","5","2","6","1") = "6"
    & skf21("7","2","4","7","5","2","7","1") = "6"
    & skf21("7","2","4","7","5","3","1","1") = "6"
    & skf21("7","2","4","7","5","3","2","1") = "6"
    & skf21("7","2","4","7","5","3","3","1") = "6"
    & skf21("7","2","4","7","5","3","4","1") = "6"
    & skf21("7","2","4","7","5","3","5","1") = "6"
    & skf21("7","2","4","7","5","3","6","1") = "6"
    & skf21("7","2","4","7","5","3","7","1") = "6"
    & skf21("7","2","4","7","5","4","1","1") = "6"
    & skf21("7","2","4","7","5","4","2","1") = "6"
    & skf21("7","2","4","7","5","4","3","1") = "6"
    & skf21("7","2","4","7","5","4","4","1") = "6"
    & skf21("7","2","4","7","5","4","5","1") = "6"
    & skf21("7","2","4","7","5","4","6","1") = "6"
    & skf21("7","2","4","7","5","4","7","1") = "6"
    & skf21("7","2","4","7","5","5","1","1") = "6"
    & skf21("7","2","4","7","5","5","2","1") = "6"
    & skf21("7","2","4","7","5","5","3","1") = "6"
    & skf21("7","2","4","7","5","5","4","1") = "6"
    & skf21("7","2","4","7","5","5","5","1") = "6"
    & skf21("7","2","4","7","5","5","6","1") = "6"
    & skf21("7","2","4","7","5","5","7","1") = "6"
    & skf21("7","2","4","7","5","6","1","1") = "6"
    & skf21("7","2","4","7","5","6","2","1") = "6"
    & skf21("7","2","4","7","5","6","3","1") = "6"
    & skf21("7","2","4","7","5","6","4","1") = "6"
    & skf21("7","2","4","7","5","6","5","1") = "6"
    & skf21("7","2","4","7","5","6","6","1") = "6"
    & skf21("7","2","4","7","5","6","7","1") = "6"
    & skf21("7","2","4","7","5","7","1","1") = "6"
    & skf21("7","2","4","7","5","7","2","1") = "6"
    & skf21("7","2","4","7","5","7","3","1") = "6"
    & skf21("7","2","4","7","5","7","4","1") = "6"
    & skf21("7","2","4","7","5","7","5","1") = "6"
    & skf21("7","2","4","7","5","7","6","1") = "6"
    & skf21("7","2","4","7","5","7","7","1") = "6"
    & skf21("7","2","4","7","6","1","1","1") = "6"
    & skf21("7","2","4","7","6","1","2","1") = "6"
    & skf21("7","2","4","7","6","1","3","1") = "6"
    & skf21("7","2","4","7","6","1","4","1") = "6"
    & skf21("7","2","4","7","6","1","5","1") = "6"
    & skf21("7","2","4","7","6","1","6","1") = "6"
    & skf21("7","2","4","7","6","1","7","1") = "6"
    & skf21("7","2","4","7","6","2","1","1") = "6"
    & skf21("7","2","4","7","6","2","2","1") = "6"
    & skf21("7","2","4","7","6","2","3","1") = "6"
    & skf21("7","2","4","7","6","2","4","1") = "6"
    & skf21("7","2","4","7","6","2","5","1") = "6"
    & skf21("7","2","4","7","6","2","6","1") = "6"
    & skf21("7","2","4","7","6","2","7","1") = "6"
    & skf21("7","2","4","7","6","3","1","1") = "6"
    & skf21("7","2","4","7","6","3","2","1") = "6"
    & skf21("7","2","4","7","6","3","3","1") = "6"
    & skf21("7","2","4","7","6","3","4","1") = "6"
    & skf21("7","2","4","7","6","3","5","1") = "6"
    & skf21("7","2","4","7","6","3","6","1") = "6"
    & skf21("7","2","4","7","6","3","7","1") = "6"
    & skf21("7","2","4","7","6","4","1","1") = "6"
    & skf21("7","2","4","7","6","4","2","1") = "6"
    & skf21("7","2","4","7","6","4","3","1") = "6"
    & skf21("7","2","4","7","6","4","4","1") = "6"
    & skf21("7","2","4","7","6","4","5","1") = "6"
    & skf21("7","2","4","7","6","4","6","1") = "6"
    & skf21("7","2","4","7","6","4","7","1") = "6"
    & skf21("7","2","4","7","6","5","1","1") = "6"
    & skf21("7","2","4","7","6","5","2","1") = "6"
    & skf21("7","2","4","7","6","5","3","1") = "6"
    & skf21("7","2","4","7","6","5","4","1") = "6"
    & skf21("7","2","4","7","6","5","5","1") = "6"
    & skf21("7","2","4","7","6","5","6","1") = "6"
    & skf21("7","2","4","7","6","5","7","1") = "6"
    & skf21("7","2","4","7","6","6","1","1") = "6"
    & skf21("7","2","4","7","6","6","2","1") = "6"
    & skf21("7","2","4","7","6","6","3","1") = "6"
    & skf21("7","2","4","7","6","6","4","1") = "6"
    & skf21("7","2","4","7","6","6","5","1") = "6"
    & skf21("7","2","4","7","6","6","6","1") = "6"
    & skf21("7","2","4","7","6","6","7","1") = "6"
    & skf21("7","2","4","7","6","7","1","1") = "6"
    & skf21("7","2","4","7","6","7","2","1") = "6"
    & skf21("7","2","4","7","6","7","3","1") = "6"
    & skf21("7","2","4","7","6","7","4","1") = "6"
    & skf21("7","2","4","7","6","7","5","1") = "6"
    & skf21("7","2","4","7","6","7","6","1") = "6"
    & skf21("7","2","4","7","6","7","7","1") = "6"
    & skf21("7","2","4","7","7","1","1","1") = "6"
    & skf21("7","2","4","7","7","1","2","1") = "6"
    & skf21("7","2","4","7","7","1","3","1") = "6"
    & skf21("7","2","4","7","7","1","4","1") = "6"
    & skf21("7","2","4","7","7","1","5","1") = "6"
    & skf21("7","2","4","7","7","1","6","1") = "6"
    & skf21("7","2","4","7","7","1","7","1") = "6"
    & skf21("7","2","4","7","7","2","1","1") = "6"
    & skf21("7","2","4","7","7","2","2","1") = "6"
    & skf21("7","2","4","7","7","2","3","1") = "6"
    & skf21("7","2","4","7","7","2","4","1") = "6"
    & skf21("7","2","4","7","7","2","5","1") = "6"
    & skf21("7","2","4","7","7","2","6","1") = "6"
    & skf21("7","2","4","7","7","2","7","1") = "6"
    & skf21("7","2","4","7","7","3","1","1") = "6"
    & skf21("7","2","4","7","7","3","2","1") = "6"
    & skf21("7","2","4","7","7","3","3","1") = "6"
    & skf21("7","2","4","7","7","3","4","1") = "6"
    & skf21("7","2","4","7","7","3","5","1") = "6"
    & skf21("7","2","4","7","7","3","6","1") = "6"
    & skf21("7","2","4","7","7","3","7","1") = "6"
    & skf21("7","2","4","7","7","4","1","1") = "6"
    & skf21("7","2","4","7","7","4","2","1") = "6"
    & skf21("7","2","4","7","7","4","3","1") = "6"
    & skf21("7","2","4","7","7","4","4","1") = "6"
    & skf21("7","2","4","7","7","4","5","1") = "6"
    & skf21("7","2","4","7","7","4","6","1") = "6"
    & skf21("7","2","4","7","7","4","7","1") = "6"
    & skf21("7","2","4","7","7","5","1","1") = "6"
    & skf21("7","2","4","7","7","5","2","1") = "6"
    & skf21("7","2","4","7","7","5","3","1") = "6"
    & skf21("7","2","4","7","7","5","4","1") = "6"
    & skf21("7","2","4","7","7","5","5","1") = "6"
    & skf21("7","2","4","7","7","5","6","1") = "6"
    & skf21("7","2","4","7","7","5","7","1") = "6"
    & skf21("7","2","4","7","7","6","1","1") = "6"
    & skf21("7","2","4","7","7","6","2","1") = "6"
    & skf21("7","2","4","7","7","6","3","1") = "6"
    & skf21("7","2","4","7","7","6","4","1") = "6"
    & skf21("7","2","4","7","7","6","5","1") = "6"
    & skf21("7","2","4","7","7","6","6","1") = "6"
    & skf21("7","2","4","7","7","6","7","1") = "6"
    & skf21("7","2","4","7","7","7","1","1") = "6"
    & skf21("7","2","4","7","7","7","2","1") = "6"
    & skf21("7","2","4","7","7","7","3","1") = "6"
    & skf21("7","2","4","7","7","7","4","1") = "6"
    & skf21("7","2","4","7","7","7","5","1") = "6"
    & skf21("7","2","4","7","7","7","6","1") = "6"
    & skf21("7","2","4","7","7","7","7","1") = "6"
    & skf21("7","2","5","1","1","1","1","1") = "6"
    & skf21("7","2","5","1","1","1","2","1") = "6"
    & skf21("7","2","5","1","1","1","3","1") = "6"
    & skf21("7","2","5","1","1","1","4","1") = "6"
    & skf21("7","2","5","1","1","1","5","1") = "6"
    & skf21("7","2","5","1","1","1","6","1") = "6"
    & skf21("7","2","5","1","1","1","7","1") = "6"
    & skf21("7","2","5","1","1","2","1","1") = "6"
    & skf21("7","2","5","1","1","2","2","1") = "6"
    & skf21("7","2","5","1","1","2","3","1") = "6"
    & skf21("7","2","5","1","1","2","4","1") = "6"
    & skf21("7","2","5","1","1","2","5","1") = "6"
    & skf21("7","2","5","1","1","2","6","1") = "6"
    & skf21("7","2","5","1","1","2","7","1") = "6"
    & skf21("7","2","5","1","1","3","1","1") = "6"
    & skf21("7","2","5","1","1","3","2","1") = "6"
    & skf21("7","2","5","1","1","3","3","1") = "6"
    & skf21("7","2","5","1","1","3","4","1") = "6"
    & skf21("7","2","5","1","1","3","5","1") = "6"
    & skf21("7","2","5","1","1","3","6","1") = "6"
    & skf21("7","2","5","1","1","3","7","1") = "6"
    & skf21("7","2","5","1","1","4","1","1") = "6"
    & skf21("7","2","5","1","1","4","2","1") = "6"
    & skf21("7","2","5","1","1","4","3","1") = "6"
    & skf21("7","2","5","1","1","4","4","1") = "6"
    & skf21("7","2","5","1","1","4","5","1") = "6"
    & skf21("7","2","5","1","1","4","6","1") = "6"
    & skf21("7","2","5","1","1","4","7","1") = "6"
    & skf21("7","2","5","1","1","5","1","1") = "6"
    & skf21("7","2","5","1","1","5","2","1") = "6"
    & skf21("7","2","5","1","1","5","3","1") = "6"
    & skf21("7","2","5","1","1","5","4","1") = "6"
    & skf21("7","2","5","1","1","5","5","1") = "6"
    & skf21("7","2","5","1","1","5","6","1") = "6"
    & skf21("7","2","5","1","1","5","7","1") = "6"
    & skf21("7","2","5","1","1","6","1","1") = "6"
    & skf21("7","2","5","1","1","6","2","1") = "6"
    & skf21("7","2","5","1","1","6","3","1") = "6"
    & skf21("7","2","5","1","1","6","4","1") = "6"
    & skf21("7","2","5","1","1","6","5","1") = "6"
    & skf21("7","2","5","1","1","6","6","1") = "6"
    & skf21("7","2","5","1","1","6","7","1") = "6"
    & skf21("7","2","5","1","1","7","1","1") = "6"
    & skf21("7","2","5","1","1","7","2","1") = "6"
    & skf21("7","2","5","1","1","7","3","1") = "6"
    & skf21("7","2","5","1","1","7","4","1") = "6"
    & skf21("7","2","5","1","1","7","5","1") = "6"
    & skf21("7","2","5","1","1","7","6","1") = "6"
    & skf21("7","2","5","1","1","7","7","1") = "6"
    & skf21("7","2","5","1","2","1","1","1") = "6"
    & skf21("7","2","5","1","2","1","2","1") = "6"
    & skf21("7","2","5","1","2","1","3","1") = "6"
    & skf21("7","2","5","1","2","1","4","1") = "6"
    & skf21("7","2","5","1","2","1","5","1") = "6"
    & skf21("7","2","5","1","2","1","6","1") = "6"
    & skf21("7","2","5","1","2","1","7","1") = "6"
    & skf21("7","2","5","1","2","2","1","1") = "6"
    & skf21("7","2","5","1","2","2","2","1") = "6"
    & skf21("7","2","5","1","2","2","3","1") = "6"
    & skf21("7","2","5","1","2","2","4","1") = "6"
    & skf21("7","2","5","1","2","2","5","1") = "6"
    & skf21("7","2","5","1","2","2","6","1") = "6"
    & skf21("7","2","5","1","2","2","7","1") = "6"
    & skf21("7","2","5","1","2","3","1","1") = "6"
    & skf21("7","2","5","1","2","3","2","1") = "6"
    & skf21("7","2","5","1","2","3","3","1") = "6"
    & skf21("7","2","5","1","2","3","4","1") = "6"
    & skf21("7","2","5","1","2","3","5","1") = "6"
    & skf21("7","2","5","1","2","3","6","1") = "6"
    & skf21("7","2","5","1","2","3","7","1") = "6"
    & skf21("7","2","5","1","2","4","1","1") = "6"
    & skf21("7","2","5","1","2","4","2","1") = "6"
    & skf21("7","2","5","1","2","4","3","1") = "6"
    & skf21("7","2","5","1","2","4","4","1") = "6"
    & skf21("7","2","5","1","2","4","5","1") = "6"
    & skf21("7","2","5","1","2","4","6","1") = "6"
    & skf21("7","2","5","1","2","4","7","1") = "6"
    & skf21("7","2","5","1","2","5","1","1") = "6"
    & skf21("7","2","5","1","2","5","2","1") = "6"
    & skf21("7","2","5","1","2","5","3","1") = "6"
    & skf21("7","2","5","1","2","5","4","1") = "6"
    & skf21("7","2","5","1","2","5","5","1") = "6"
    & skf21("7","2","5","1","2","5","6","1") = "6"
    & skf21("7","2","5","1","2","5","7","1") = "6"
    & skf21("7","2","5","1","2","6","1","1") = "6"
    & skf21("7","2","5","1","2","6","2","1") = "6"
    & skf21("7","2","5","1","2","6","3","1") = "6"
    & skf21("7","2","5","1","2","6","4","1") = "6"
    & skf21("7","2","5","1","2","6","5","1") = "6"
    & skf21("7","2","5","1","2","6","6","1") = "6"
    & skf21("7","2","5","1","2","6","7","1") = "6"
    & skf21("7","2","5","1","2","7","1","1") = "6"
    & skf21("7","2","5","1","2","7","2","1") = "6"
    & skf21("7","2","5","1","2","7","3","1") = "6"
    & skf21("7","2","5","1","2","7","4","1") = "6"
    & skf21("7","2","5","1","2","7","5","1") = "6"
    & skf21("7","2","5","1","2","7","6","1") = "6"
    & skf21("7","2","5","1","2","7","7","1") = "6"
    & skf21("7","2","5","1","3","1","1","1") = "6"
    & skf21("7","2","5","1","3","1","2","1") = "6"
    & skf21("7","2","5","1","3","1","3","1") = "6"
    & skf21("7","2","5","1","3","1","4","1") = "6"
    & skf21("7","2","5","1","3","1","5","1") = "6"
    & skf21("7","2","5","1","3","1","6","1") = "6"
    & skf21("7","2","5","1","3","1","7","1") = "6"
    & skf21("7","2","5","1","3","2","1","1") = "6"
    & skf21("7","2","5","1","3","2","2","1") = "6"
    & skf21("7","2","5","1","3","2","3","1") = "6"
    & skf21("7","2","5","1","3","2","4","1") = "6"
    & skf21("7","2","5","1","3","2","5","1") = "6"
    & skf21("7","2","5","1","3","2","6","1") = "6"
    & skf21("7","2","5","1","3","2","7","1") = "6"
    & skf21("7","2","5","1","3","3","1","1") = "6"
    & skf21("7","2","5","1","3","3","2","1") = "6"
    & skf21("7","2","5","1","3","3","3","1") = "6"
    & skf21("7","2","5","1","3","3","4","1") = "6"
    & skf21("7","2","5","1","3","3","5","1") = "6"
    & skf21("7","2","5","1","3","3","6","1") = "6"
    & skf21("7","2","5","1","3","3","7","1") = "6"
    & skf21("7","2","5","1","3","4","1","1") = "6"
    & skf21("7","2","5","1","3","4","2","1") = "6"
    & skf21("7","2","5","1","3","4","3","1") = "6"
    & skf21("7","2","5","1","3","4","4","1") = "6"
    & skf21("7","2","5","1","3","4","5","1") = "6"
    & skf21("7","2","5","1","3","4","6","1") = "6"
    & skf21("7","2","5","1","3","4","7","1") = "6"
    & skf21("7","2","5","1","3","5","1","1") = "6"
    & skf21("7","2","5","1","3","5","2","1") = "6"
    & skf21("7","2","5","1","3","5","3","1") = "6"
    & skf21("7","2","5","1","3","5","4","1") = "6"
    & skf21("7","2","5","1","3","5","5","1") = "6"
    & skf21("7","2","5","1","3","5","6","1") = "6"
    & skf21("7","2","5","1","3","5","7","1") = "6"
    & skf21("7","2","5","1","3","6","1","1") = "6"
    & skf21("7","2","5","1","3","6","2","1") = "6"
    & skf21("7","2","5","1","3","6","3","1") = "6"
    & skf21("7","2","5","1","3","6","4","1") = "6"
    & skf21("7","2","5","1","3","6","5","1") = "6"
    & skf21("7","2","5","1","3","6","6","1") = "6"
    & skf21("7","2","5","1","3","6","7","1") = "6"
    & skf21("7","2","5","1","3","7","1","1") = "6"
    & skf21("7","2","5","1","3","7","2","1") = "6"
    & skf21("7","2","5","1","3","7","3","1") = "6"
    & skf21("7","2","5","1","3","7","4","1") = "6"
    & skf21("7","2","5","1","3","7","5","1") = "6"
    & skf21("7","2","5","1","3","7","6","1") = "6"
    & skf21("7","2","5","1","3","7","7","1") = "6"
    & skf21("7","2","5","1","4","1","1","1") = "6"
    & skf21("7","2","5","1","4","1","2","1") = "6"
    & skf21("7","2","5","1","4","1","3","1") = "6"
    & skf21("7","2","5","1","4","1","4","1") = "6"
    & skf21("7","2","5","1","4","1","5","1") = "6"
    & skf21("7","2","5","1","4","1","6","1") = "6"
    & skf21("7","2","5","1","4","1","7","1") = "6"
    & skf21("7","2","5","1","4","2","1","1") = "6"
    & skf21("7","2","5","1","4","2","2","1") = "6"
    & skf21("7","2","5","1","4","2","3","1") = "6"
    & skf21("7","2","5","1","4","2","4","1") = "6"
    & skf21("7","2","5","1","4","2","5","1") = "6"
    & skf21("7","2","5","1","4","2","6","1") = "6"
    & skf21("7","2","5","1","4","2","7","1") = "6"
    & skf21("7","2","5","1","4","3","1","1") = "6"
    & skf21("7","2","5","1","4","3","2","1") = "6"
    & skf21("7","2","5","1","4","3","3","1") = "6"
    & skf21("7","2","5","1","4","3","4","1") = "6"
    & skf21("7","2","5","1","4","3","5","1") = "6"
    & skf21("7","2","5","1","4","3","6","1") = "6"
    & skf21("7","2","5","1","4","3","7","1") = "6"
    & skf21("7","2","5","1","4","4","1","1") = "6"
    & skf21("7","2","5","1","4","4","2","1") = "6"
    & skf21("7","2","5","1","4","4","3","1") = "6"
    & skf21("7","2","5","1","4","4","4","1") = "6"
    & skf21("7","2","5","1","4","4","5","1") = "6"
    & skf21("7","2","5","1","4","4","6","1") = "6"
    & skf21("7","2","5","1","4","4","7","1") = "6"
    & skf21("7","2","5","1","4","5","1","1") = "6"
    & skf21("7","2","5","1","4","5","2","1") = "6"
    & skf21("7","2","5","1","4","5","3","1") = "6"
    & skf21("7","2","5","1","4","5","4","1") = "6"
    & skf21("7","2","5","1","4","5","5","1") = "6"
    & skf21("7","2","5","1","4","5","6","1") = "6"
    & skf21("7","2","5","1","4","5","7","1") = "6"
    & skf21("7","2","5","1","4","6","1","1") = "6"
    & skf21("7","2","5","1","4","6","2","1") = "6"
    & skf21("7","2","5","1","4","6","3","1") = "6"
    & skf21("7","2","5","1","4","6","4","1") = "6"
    & skf21("7","2","5","1","4","6","5","1") = "6"
    & skf21("7","2","5","1","4","6","6","1") = "6"
    & skf21("7","2","5","1","4","6","7","1") = "6"
    & skf21("7","2","5","1","4","7","1","1") = "6"
    & skf21("7","2","5","1","4","7","2","1") = "6"
    & skf21("7","2","5","1","4","7","3","1") = "6"
    & skf21("7","2","5","1","4","7","4","1") = "6"
    & skf21("7","2","5","1","4","7","5","1") = "6"
    & skf21("7","2","5","1","4","7","6","1") = "6"
    & skf21("7","2","5","1","4","7","7","1") = "6"
    & skf21("7","2","5","1","5","1","1","1") = "6"
    & skf21("7","2","5","1","5","1","2","1") = "6"
    & skf21("7","2","5","1","5","1","3","1") = "6"
    & skf21("7","2","5","1","5","1","4","1") = "6"
    & skf21("7","2","5","1","5","1","5","1") = "6"
    & skf21("7","2","5","1","5","1","6","1") = "6"
    & skf21("7","2","5","1","5","1","7","1") = "6"
    & skf21("7","2","5","1","5","2","1","1") = "6"
    & skf21("7","2","5","1","5","2","2","1") = "6"
    & skf21("7","2","5","1","5","2","3","1") = "6"
    & skf21("7","2","5","1","5","2","4","1") = "6"
    & skf21("7","2","5","1","5","2","5","1") = "6"
    & skf21("7","2","5","1","5","2","6","1") = "6"
    & skf21("7","2","5","1","5","2","7","1") = "6"
    & skf21("7","2","5","1","5","3","1","1") = "6"
    & skf21("7","2","5","1","5","3","2","1") = "6"
    & skf21("7","2","5","1","5","3","3","1") = "6"
    & skf21("7","2","5","1","5","3","4","1") = "6"
    & skf21("7","2","5","1","5","3","5","1") = "6"
    & skf21("7","2","5","1","5","3","6","1") = "6"
    & skf21("7","2","5","1","5","3","7","1") = "6"
    & skf21("7","2","5","1","5","4","1","1") = "6"
    & skf21("7","2","5","1","5","4","2","1") = "6"
    & skf21("7","2","5","1","5","4","3","1") = "6"
    & skf21("7","2","5","1","5","4","4","1") = "6"
    & skf21("7","2","5","1","5","4","5","1") = "6"
    & skf21("7","2","5","1","5","4","6","1") = "6"
    & skf21("7","2","5","1","5","4","7","1") = "6"
    & skf21("7","2","5","1","5","5","1","1") = "6"
    & skf21("7","2","5","1","5","5","2","1") = "6"
    & skf21("7","2","5","1","5","5","3","1") = "6"
    & skf21("7","2","5","1","5","5","4","1") = "6"
    & skf21("7","2","5","1","5","5","5","1") = "6"
    & skf21("7","2","5","1","5","5","6","1") = "6"
    & skf21("7","2","5","1","5","5","7","1") = "6"
    & skf21("7","2","5","1","5","6","1","1") = "6"
    & skf21("7","2","5","1","5","6","2","1") = "6"
    & skf21("7","2","5","1","5","6","3","1") = "6"
    & skf21("7","2","5","1","5","6","4","1") = "6"
    & skf21("7","2","5","1","5","6","5","1") = "6"
    & skf21("7","2","5","1","5","6","6","1") = "6"
    & skf21("7","2","5","1","5","6","7","1") = "6"
    & skf21("7","2","5","1","5","7","1","1") = "6"
    & skf21("7","2","5","1","5","7","2","1") = "6"
    & skf21("7","2","5","1","5","7","3","1") = "6"
    & skf21("7","2","5","1","5","7","4","1") = "6"
    & skf21("7","2","5","1","5","7","5","1") = "6"
    & skf21("7","2","5","1","5","7","6","1") = "6"
    & skf21("7","2","5","1","5","7","7","1") = "6"
    & skf21("7","2","5","1","6","1","1","1") = "6"
    & skf21("7","2","5","1","6","1","2","1") = "6"
    & skf21("7","2","5","1","6","1","3","1") = "6"
    & skf21("7","2","5","1","6","1","4","1") = "6"
    & skf21("7","2","5","1","6","1","5","1") = "6"
    & skf21("7","2","5","1","6","1","6","1") = "6"
    & skf21("7","2","5","1","6","1","7","1") = "6"
    & skf21("7","2","5","1","6","2","1","1") = "6"
    & skf21("7","2","5","1","6","2","2","1") = "6"
    & skf21("7","2","5","1","6","2","3","1") = "6"
    & skf21("7","2","5","1","6","2","4","1") = "6"
    & skf21("7","2","5","1","6","2","5","1") = "6"
    & skf21("7","2","5","1","6","2","6","1") = "6"
    & skf21("7","2","5","1","6","2","7","1") = "6"
    & skf21("7","2","5","1","6","3","1","1") = "6"
    & skf21("7","2","5","1","6","3","2","1") = "6"
    & skf21("7","2","5","1","6","3","3","1") = "6"
    & skf21("7","2","5","1","6","3","4","1") = "6"
    & skf21("7","2","5","1","6","3","5","1") = "6"
    & skf21("7","2","5","1","6","3","6","1") = "6"
    & skf21("7","2","5","1","6","3","7","1") = "6"
    & skf21("7","2","5","1","6","4","1","1") = "6"
    & skf21("7","2","5","1","6","4","2","1") = "6"
    & skf21("7","2","5","1","6","4","3","1") = "6"
    & skf21("7","2","5","1","6","4","4","1") = "6"
    & skf21("7","2","5","1","6","4","5","1") = "6"
    & skf21("7","2","5","1","6","4","6","1") = "6"
    & skf21("7","2","5","1","6","4","7","1") = "6"
    & skf21("7","2","5","1","6","5","1","1") = "6"
    & skf21("7","2","5","1","6","5","2","1") = "6"
    & skf21("7","2","5","1","6","5","3","1") = "6"
    & skf21("7","2","5","1","6","5","4","1") = "6"
    & skf21("7","2","5","1","6","5","5","1") = "6"
    & skf21("7","2","5","1","6","5","6","1") = "6"
    & skf21("7","2","5","1","6","5","7","1") = "6"
    & skf21("7","2","5","1","6","6","1","1") = "6"
    & skf21("7","2","5","1","6","6","2","1") = "6"
    & skf21("7","2","5","1","6","6","3","1") = "6"
    & skf21("7","2","5","1","6","6","4","1") = "6"
    & skf21("7","2","5","1","6","6","5","1") = "6"
    & skf21("7","2","5","1","6","6","6","1") = "6"
    & skf21("7","2","5","1","6","6","7","1") = "6"
    & skf21("7","2","5","1","6","7","1","1") = "6"
    & skf21("7","2","5","1","6","7","2","1") = "6"
    & skf21("7","2","5","1","6","7","3","1") = "6"
    & skf21("7","2","5","1","6","7","4","1") = "6"
    & skf21("7","2","5","1","6","7","5","1") = "6"
    & skf21("7","2","5","1","6","7","6","1") = "6"
    & skf21("7","2","5","1","6","7","7","1") = "6"
    & skf21("7","2","5","1","7","1","1","1") = "6"
    & skf21("7","2","5","1","7","1","2","1") = "6"
    & skf21("7","2","5","1","7","1","3","1") = "6"
    & skf21("7","2","5","1","7","1","4","1") = "6"
    & skf21("7","2","5","1","7","1","5","1") = "6"
    & skf21("7","2","5","1","7","1","6","1") = "6"
    & skf21("7","2","5","1","7","1","7","1") = "6"
    & skf21("7","2","5","1","7","2","1","1") = "6"
    & skf21("7","2","5","1","7","2","2","1") = "6"
    & skf21("7","2","5","1","7","2","3","1") = "6"
    & skf21("7","2","5","1","7","2","4","1") = "6"
    & skf21("7","2","5","1","7","2","5","1") = "6"
    & skf21("7","2","5","1","7","2","6","1") = "6"
    & skf21("7","2","5","1","7","2","7","1") = "6"
    & skf21("7","2","5","1","7","3","1","1") = "6"
    & skf21("7","2","5","1","7","3","2","1") = "6"
    & skf21("7","2","5","1","7","3","3","1") = "6"
    & skf21("7","2","5","1","7","3","4","1") = "6"
    & skf21("7","2","5","1","7","3","5","1") = "6"
    & skf21("7","2","5","1","7","3","6","1") = "6"
    & skf21("7","2","5","1","7","3","7","1") = "6"
    & skf21("7","2","5","1","7","4","1","1") = "6"
    & skf21("7","2","5","1","7","4","2","1") = "6"
    & skf21("7","2","5","1","7","4","3","1") = "6"
    & skf21("7","2","5","1","7","4","4","1") = "6"
    & skf21("7","2","5","1","7","4","5","1") = "6"
    & skf21("7","2","5","1","7","4","6","1") = "6"
    & skf21("7","2","5","1","7","4","7","1") = "6"
    & skf21("7","2","5","1","7","5","1","1") = "6"
    & skf21("7","2","5","1","7","5","2","1") = "6"
    & skf21("7","2","5","1","7","5","3","1") = "6"
    & skf21("7","2","5","1","7","5","4","1") = "6"
    & skf21("7","2","5","1","7","5","5","1") = "6"
    & skf21("7","2","5","1","7","5","6","1") = "6"
    & skf21("7","2","5","1","7","5","7","1") = "6"
    & skf21("7","2","5","1","7","6","1","1") = "6"
    & skf21("7","2","5","1","7","6","2","1") = "6"
    & skf21("7","2","5","1","7","6","3","1") = "6"
    & skf21("7","2","5","1","7","6","4","1") = "6"
    & skf21("7","2","5","1","7","6","5","1") = "6"
    & skf21("7","2","5","1","7","6","6","1") = "6"
    & skf21("7","2","5","1","7","6","7","1") = "6"
    & skf21("7","2","5","1","7","7","1","1") = "6"
    & skf21("7","2","5","1","7","7","2","1") = "6"
    & skf21("7","2","5","1","7","7","3","1") = "6"
    & skf21("7","2","5","1","7","7","4","1") = "6"
    & skf21("7","2","5","1","7","7","5","1") = "6"
    & skf21("7","2","5","1","7","7","6","1") = "6"
    & skf21("7","2","5","1","7","7","7","1") = "6"
    & skf21("7","2","5","2","1","1","1","1") = "6"
    & skf21("7","2","5","2","1","1","2","1") = "6"
    & skf21("7","2","5","2","1","1","3","1") = "6"
    & skf21("7","2","5","2","1","1","4","1") = "6"
    & skf21("7","2","5","2","1","1","5","1") = "6"
    & skf21("7","2","5","2","1","1","6","1") = "6"
    & skf21("7","2","5","2","1","1","7","1") = "6"
    & skf21("7","2","5","2","1","2","1","1") = "6"
    & skf21("7","2","5","2","1","2","2","1") = "6"
    & skf21("7","2","5","2","1","2","3","1") = "6"
    & skf21("7","2","5","2","1","2","4","1") = "6"
    & skf21("7","2","5","2","1","2","5","1") = "6"
    & skf21("7","2","5","2","1","2","6","1") = "6"
    & skf21("7","2","5","2","1","2","7","1") = "6"
    & skf21("7","2","5","2","1","3","1","1") = "6"
    & skf21("7","2","5","2","1","3","2","1") = "6"
    & skf21("7","2","5","2","1","3","3","1") = "6"
    & skf21("7","2","5","2","1","3","4","1") = "6"
    & skf21("7","2","5","2","1","3","5","1") = "6"
    & skf21("7","2","5","2","1","3","6","1") = "6"
    & skf21("7","2","5","2","1","3","7","1") = "6"
    & skf21("7","2","5","2","1","4","1","1") = "6"
    & skf21("7","2","5","2","1","4","2","1") = "6"
    & skf21("7","2","5","2","1","4","3","1") = "6"
    & skf21("7","2","5","2","1","4","4","1") = "6"
    & skf21("7","2","5","2","1","4","5","1") = "6"
    & skf21("7","2","5","2","1","4","6","1") = "6"
    & skf21("7","2","5","2","1","4","7","1") = "6"
    & skf21("7","2","5","2","1","5","1","1") = "6"
    & skf21("7","2","5","2","1","5","2","1") = "6"
    & skf21("7","2","5","2","1","5","3","1") = "6"
    & skf21("7","2","5","2","1","5","4","1") = "6"
    & skf21("7","2","5","2","1","5","5","1") = "6"
    & skf21("7","2","5","2","1","5","6","1") = "6"
    & skf21("7","2","5","2","1","5","7","1") = "6"
    & skf21("7","2","5","2","1","6","1","1") = "6"
    & skf21("7","2","5","2","1","6","2","1") = "6"
    & skf21("7","2","5","2","1","6","3","1") = "6"
    & skf21("7","2","5","2","1","6","4","1") = "6"
    & skf21("7","2","5","2","1","6","5","1") = "6"
    & skf21("7","2","5","2","1","6","6","1") = "6"
    & skf21("7","2","5","2","1","6","7","1") = "6"
    & skf21("7","2","5","2","1","7","1","1") = "6"
    & skf21("7","2","5","2","1","7","2","1") = "6"
    & skf21("7","2","5","2","1","7","3","1") = "6"
    & skf21("7","2","5","2","1","7","4","1") = "6"
    & skf21("7","2","5","2","1","7","5","1") = "6"
    & skf21("7","2","5","2","1","7","6","1") = "6"
    & skf21("7","2","5","2","1","7","7","1") = "6"
    & skf21("7","2","5","2","2","1","1","1") = "6"
    & skf21("7","2","5","2","2","1","2","1") = "6"
    & skf21("7","2","5","2","2","1","3","1") = "6"
    & skf21("7","2","5","2","2","1","4","1") = "6"
    & skf21("7","2","5","2","2","1","5","1") = "6"
    & skf21("7","2","5","2","2","1","6","1") = "6"
    & skf21("7","2","5","2","2","1","7","1") = "6"
    & skf21("7","2","5","2","2","2","1","1") = "6"
    & skf21("7","2","5","2","2","2","2","1") = "6"
    & skf21("7","2","5","2","2","2","3","1") = "6"
    & skf21("7","2","5","2","2","2","4","1") = "6"
    & skf21("7","2","5","2","2","2","5","1") = "6"
    & skf21("7","2","5","2","2","2","6","1") = "6"
    & skf21("7","2","5","2","2","2","7","1") = "6"
    & skf21("7","2","5","2","2","3","1","1") = "6"
    & skf21("7","2","5","2","2","3","2","1") = "6"
    & skf21("7","2","5","2","2","3","3","1") = "6"
    & skf21("7","2","5","2","2","3","4","1") = "6"
    & skf21("7","2","5","2","2","3","5","1") = "6"
    & skf21("7","2","5","2","2","3","6","1") = "6"
    & skf21("7","2","5","2","2","3","7","1") = "6"
    & skf21("7","2","5","2","2","4","1","1") = "6"
    & skf21("7","2","5","2","2","4","2","1") = "6"
    & skf21("7","2","5","2","2","4","3","1") = "6"
    & skf21("7","2","5","2","2","4","4","1") = "6"
    & skf21("7","2","5","2","2","4","5","1") = "6"
    & skf21("7","2","5","2","2","4","6","1") = "6"
    & skf21("7","2","5","2","2","4","7","1") = "6"
    & skf21("7","2","5","2","2","5","1","1") = "6"
    & skf21("7","2","5","2","2","5","2","1") = "6"
    & skf21("7","2","5","2","2","5","3","1") = "6"
    & skf21("7","2","5","2","2","5","4","1") = "6"
    & skf21("7","2","5","2","2","5","5","1") = "6"
    & skf21("7","2","5","2","2","5","6","1") = "6"
    & skf21("7","2","5","2","2","5","7","1") = "6"
    & skf21("7","2","5","2","2","6","1","1") = "6"
    & skf21("7","2","5","2","2","6","2","1") = "6"
    & skf21("7","2","5","2","2","6","3","1") = "6"
    & skf21("7","2","5","2","2","6","4","1") = "6"
    & skf21("7","2","5","2","2","6","5","1") = "6"
    & skf21("7","2","5","2","2","6","6","1") = "6"
    & skf21("7","2","5","2","2","6","7","1") = "6"
    & skf21("7","2","5","2","2","7","1","1") = "6"
    & skf21("7","2","5","2","2","7","2","1") = "6"
    & skf21("7","2","5","2","2","7","3","1") = "6"
    & skf21("7","2","5","2","2","7","4","1") = "6"
    & skf21("7","2","5","2","2","7","5","1") = "6"
    & skf21("7","2","5","2","2","7","6","1") = "6"
    & skf21("7","2","5","2","2","7","7","1") = "6"
    & skf21("7","2","5","2","3","1","1","1") = "6"
    & skf21("7","2","5","2","3","1","2","1") = "6"
    & skf21("7","2","5","2","3","1","3","1") = "6"
    & skf21("7","2","5","2","3","1","4","1") = "6"
    & skf21("7","2","5","2","3","1","5","1") = "6"
    & skf21("7","2","5","2","3","1","6","1") = "6"
    & skf21("7","2","5","2","3","1","7","1") = "6"
    & skf21("7","2","5","2","3","2","1","1") = "6"
    & skf21("7","2","5","2","3","2","2","1") = "6"
    & skf21("7","2","5","2","3","2","3","1") = "6"
    & skf21("7","2","5","2","3","2","4","1") = "6"
    & skf21("7","2","5","2","3","2","5","1") = "6"
    & skf21("7","2","5","2","3","2","6","1") = "6"
    & skf21("7","2","5","2","3","2","7","1") = "6"
    & skf21("7","2","5","2","3","3","1","1") = "6"
    & skf21("7","2","5","2","3","3","2","1") = "6"
    & skf21("7","2","5","2","3","3","3","1") = "6"
    & skf21("7","2","5","2","3","3","4","1") = "6"
    & skf21("7","2","5","2","3","3","5","1") = "6"
    & skf21("7","2","5","2","3","3","6","1") = "6"
    & skf21("7","2","5","2","3","3","7","1") = "6"
    & skf21("7","2","5","2","3","4","1","1") = "6"
    & skf21("7","2","5","2","3","4","2","1") = "6"
    & skf21("7","2","5","2","3","4","3","1") = "6"
    & skf21("7","2","5","2","3","4","4","1") = "6"
    & skf21("7","2","5","2","3","4","5","1") = "6"
    & skf21("7","2","5","2","3","4","6","1") = "6"
    & skf21("7","2","5","2","3","4","7","1") = "6"
    & skf21("7","2","5","2","3","5","1","1") = "6"
    & skf21("7","2","5","2","3","5","2","1") = "6"
    & skf21("7","2","5","2","3","5","3","1") = "6"
    & skf21("7","2","5","2","3","5","4","1") = "6"
    & skf21("7","2","5","2","3","5","5","1") = "6"
    & skf21("7","2","5","2","3","5","6","1") = "6"
    & skf21("7","2","5","2","3","5","7","1") = "6"
    & skf21("7","2","5","2","3","6","1","1") = "6"
    & skf21("7","2","5","2","3","6","2","1") = "6"
    & skf21("7","2","5","2","3","6","3","1") = "6"
    & skf21("7","2","5","2","3","6","4","1") = "6"
    & skf21("7","2","5","2","3","6","5","1") = "6"
    & skf21("7","2","5","2","3","6","6","1") = "6"
    & skf21("7","2","5","2","3","6","7","1") = "6"
    & skf21("7","2","5","2","3","7","1","1") = "6"
    & skf21("7","2","5","2","3","7","2","1") = "6"
    & skf21("7","2","5","2","3","7","3","1") = "6"
    & skf21("7","2","5","2","3","7","4","1") = "6"
    & skf21("7","2","5","2","3","7","5","1") = "6"
    & skf21("7","2","5","2","3","7","6","1") = "6"
    & skf21("7","2","5","2","3","7","7","1") = "6"
    & skf21("7","2","5","2","4","1","1","1") = "6"
    & skf21("7","2","5","2","4","1","2","1") = "6"
    & skf21("7","2","5","2","4","1","3","1") = "6"
    & skf21("7","2","5","2","4","1","4","1") = "6"
    & skf21("7","2","5","2","4","1","5","1") = "6"
    & skf21("7","2","5","2","4","1","6","1") = "6"
    & skf21("7","2","5","2","4","1","7","1") = "6"
    & skf21("7","2","5","2","4","2","1","1") = "6"
    & skf21("7","2","5","2","4","2","2","1") = "6"
    & skf21("7","2","5","2","4","2","3","1") = "6"
    & skf21("7","2","5","2","4","2","4","1") = "6"
    & skf21("7","2","5","2","4","2","5","1") = "6"
    & skf21("7","2","5","2","4","2","6","1") = "6"
    & skf21("7","2","5","2","4","2","7","1") = "6"
    & skf21("7","2","5","2","4","3","1","1") = "6"
    & skf21("7","2","5","2","4","3","2","1") = "6"
    & skf21("7","2","5","2","4","3","3","1") = "6"
    & skf21("7","2","5","2","4","3","4","1") = "6"
    & skf21("7","2","5","2","4","3","5","1") = "6"
    & skf21("7","2","5","2","4","3","6","1") = "6"
    & skf21("7","2","5","2","4","3","7","1") = "6"
    & skf21("7","2","5","2","4","4","1","1") = "6"
    & skf21("7","2","5","2","4","4","2","1") = "6"
    & skf21("7","2","5","2","4","4","3","1") = "6"
    & skf21("7","2","5","2","4","4","4","1") = "6"
    & skf21("7","2","5","2","4","4","5","1") = "6"
    & skf21("7","2","5","2","4","4","6","1") = "6"
    & skf21("7","2","5","2","4","4","7","1") = "6"
    & skf21("7","2","5","2","4","5","1","1") = "6"
    & skf21("7","2","5","2","4","5","2","1") = "6"
    & skf21("7","2","5","2","4","5","3","1") = "6"
    & skf21("7","2","5","2","4","5","4","1") = "6"
    & skf21("7","2","5","2","4","5","5","1") = "6"
    & skf21("7","2","5","2","4","5","6","1") = "6"
    & skf21("7","2","5","2","4","5","7","1") = "6"
    & skf21("7","2","5","2","4","6","1","1") = "6"
    & skf21("7","2","5","2","4","6","2","1") = "6"
    & skf21("7","2","5","2","4","6","3","1") = "6"
    & skf21("7","2","5","2","4","6","4","1") = "6"
    & skf21("7","2","5","2","4","6","5","1") = "6"
    & skf21("7","2","5","2","4","6","6","1") = "6"
    & skf21("7","2","5","2","4","6","7","1") = "6"
    & skf21("7","2","5","2","4","7","1","1") = "6"
    & skf21("7","2","5","2","4","7","2","1") = "6"
    & skf21("7","2","5","2","4","7","3","1") = "6"
    & skf21("7","2","5","2","4","7","4","1") = "6"
    & skf21("7","2","5","2","4","7","5","1") = "6"
    & skf21("7","2","5","2","4","7","6","1") = "6"
    & skf21("7","2","5","2","4","7","7","1") = "6"
    & skf21("7","2","5","2","5","1","1","1") = "6"
    & skf21("7","2","5","2","5","1","2","1") = "6"
    & skf21("7","2","5","2","5","1","3","1") = "6"
    & skf21("7","2","5","2","5","1","4","1") = "6"
    & skf21("7","2","5","2","5","1","5","1") = "6"
    & skf21("7","2","5","2","5","1","6","1") = "6"
    & skf21("7","2","5","2","5","1","7","1") = "6"
    & skf21("7","2","5","2","5","2","1","1") = "6"
    & skf21("7","2","5","2","5","2","2","1") = "6"
    & skf21("7","2","5","2","5","2","3","1") = "6"
    & skf21("7","2","5","2","5","2","4","1") = "6"
    & skf21("7","2","5","2","5","2","5","1") = "6"
    & skf21("7","2","5","2","5","2","6","1") = "6"
    & skf21("7","2","5","2","5","2","7","1") = "6"
    & skf21("7","2","5","2","5","3","1","1") = "6"
    & skf21("7","2","5","2","5","3","2","1") = "6"
    & skf21("7","2","5","2","5","3","3","1") = "6"
    & skf21("7","2","5","2","5","3","4","1") = "6"
    & skf21("7","2","5","2","5","3","5","1") = "6"
    & skf21("7","2","5","2","5","3","6","1") = "6"
    & skf21("7","2","5","2","5","3","7","1") = "6"
    & skf21("7","2","5","2","5","4","1","1") = "6"
    & skf21("7","2","5","2","5","4","2","1") = "6"
    & skf21("7","2","5","2","5","4","3","1") = "6"
    & skf21("7","2","5","2","5","4","4","1") = "6"
    & skf21("7","2","5","2","5","4","5","1") = "6"
    & skf21("7","2","5","2","5","4","6","1") = "6"
    & skf21("7","2","5","2","5","4","7","1") = "6"
    & skf21("7","2","5","2","5","5","1","1") = "6"
    & skf21("7","2","5","2","5","5","2","1") = "6"
    & skf21("7","2","5","2","5","5","3","1") = "6"
    & skf21("7","2","5","2","5","5","4","1") = "6"
    & skf21("7","2","5","2","5","5","5","1") = "6"
    & skf21("7","2","5","2","5","5","6","1") = "6"
    & skf21("7","2","5","2","5","5","7","1") = "6"
    & skf21("7","2","5","2","5","6","1","1") = "6"
    & skf21("7","2","5","2","5","6","2","1") = "6"
    & skf21("7","2","5","2","5","6","3","1") = "6"
    & skf21("7","2","5","2","5","6","4","1") = "6"
    & skf21("7","2","5","2","5","6","5","1") = "6"
    & skf21("7","2","5","2","5","6","6","1") = "6"
    & skf21("7","2","5","2","5","6","7","1") = "6"
    & skf21("7","2","5","2","5","7","1","1") = "6"
    & skf21("7","2","5","2","5","7","2","1") = "6"
    & skf21("7","2","5","2","5","7","3","1") = "6"
    & skf21("7","2","5","2","5","7","4","1") = "6"
    & skf21("7","2","5","2","5","7","5","1") = "6"
    & skf21("7","2","5","2","5","7","6","1") = "6"
    & skf21("7","2","5","2","5","7","7","1") = "6"
    & skf21("7","2","5","2","6","1","1","1") = "6"
    & skf21("7","2","5","2","6","1","2","1") = "6"
    & skf21("7","2","5","2","6","1","3","1") = "6"
    & skf21("7","2","5","2","6","1","4","1") = "6"
    & skf21("7","2","5","2","6","1","5","1") = "6"
    & skf21("7","2","5","2","6","1","6","1") = "6"
    & skf21("7","2","5","2","6","1","7","1") = "6"
    & skf21("7","2","5","2","6","2","1","1") = "6"
    & skf21("7","2","5","2","6","2","2","1") = "6"
    & skf21("7","2","5","2","6","2","3","1") = "6"
    & skf21("7","2","5","2","6","2","4","1") = "6"
    & skf21("7","2","5","2","6","2","5","1") = "6"
    & skf21("7","2","5","2","6","2","6","1") = "6"
    & skf21("7","2","5","2","6","2","7","1") = "6"
    & skf21("7","2","5","2","6","3","1","1") = "6"
    & skf21("7","2","5","2","6","3","2","1") = "6"
    & skf21("7","2","5","2","6","3","3","1") = "6"
    & skf21("7","2","5","2","6","3","4","1") = "6"
    & skf21("7","2","5","2","6","3","5","1") = "6"
    & skf21("7","2","5","2","6","3","6","1") = "6"
    & skf21("7","2","5","2","6","3","7","1") = "6"
    & skf21("7","2","5","2","6","4","1","1") = "6"
    & skf21("7","2","5","2","6","4","2","1") = "6"
    & skf21("7","2","5","2","6","4","3","1") = "6"
    & skf21("7","2","5","2","6","4","4","1") = "6"
    & skf21("7","2","5","2","6","4","5","1") = "6"
    & skf21("7","2","5","2","6","4","6","1") = "6"
    & skf21("7","2","5","2","6","4","7","1") = "6"
    & skf21("7","2","5","2","6","5","1","1") = "6"
    & skf21("7","2","5","2","6","5","2","1") = "6"
    & skf21("7","2","5","2","6","5","3","1") = "6"
    & skf21("7","2","5","2","6","5","4","1") = "6"
    & skf21("7","2","5","2","6","5","5","1") = "6"
    & skf21("7","2","5","2","6","5","6","1") = "6"
    & skf21("7","2","5","2","6","5","7","1") = "6"
    & skf21("7","2","5","2","6","6","1","1") = "6"
    & skf21("7","2","5","2","6","6","2","1") = "6"
    & skf21("7","2","5","2","6","6","3","1") = "6"
    & skf21("7","2","5","2","6","6","4","1") = "6"
    & skf21("7","2","5","2","6","6","5","1") = "6"
    & skf21("7","2","5","2","6","6","6","1") = "6"
    & skf21("7","2","5","2","6","6","7","1") = "6"
    & skf21("7","2","5","2","6","7","1","1") = "6"
    & skf21("7","2","5","2","6","7","2","1") = "6"
    & skf21("7","2","5","2","6","7","3","1") = "6"
    & skf21("7","2","5","2","6","7","4","1") = "6"
    & skf21("7","2","5","2","6","7","5","1") = "6"
    & skf21("7","2","5","2","6","7","6","1") = "6"
    & skf21("7","2","5","2","6","7","7","1") = "6"
    & skf21("7","2","5","2","7","1","1","1") = "6"
    & skf21("7","2","5","2","7","1","2","1") = "6"
    & skf21("7","2","5","2","7","1","3","1") = "6"
    & skf21("7","2","5","2","7","1","4","1") = "6"
    & skf21("7","2","5","2","7","1","5","1") = "6"
    & skf21("7","2","5","2","7","1","6","1") = "6"
    & skf21("7","2","5","2","7","1","7","1") = "6"
    & skf21("7","2","5","2","7","2","1","1") = "6"
    & skf21("7","2","5","2","7","2","2","1") = "6"
    & skf21("7","2","5","2","7","2","3","1") = "6"
    & skf21("7","2","5","2","7","2","4","1") = "6"
    & skf21("7","2","5","2","7","2","5","1") = "6"
    & skf21("7","2","5","2","7","2","6","1") = "6"
    & skf21("7","2","5","2","7","2","7","1") = "6"
    & skf21("7","2","5","2","7","3","1","1") = "6"
    & skf21("7","2","5","2","7","3","2","1") = "6"
    & skf21("7","2","5","2","7","3","3","1") = "6"
    & skf21("7","2","5","2","7","3","4","1") = "6"
    & skf21("7","2","5","2","7","3","5","1") = "6"
    & skf21("7","2","5","2","7","3","6","1") = "6"
    & skf21("7","2","5","2","7","3","7","1") = "6"
    & skf21("7","2","5","2","7","4","1","1") = "6"
    & skf21("7","2","5","2","7","4","2","1") = "6"
    & skf21("7","2","5","2","7","4","3","1") = "6"
    & skf21("7","2","5","2","7","4","4","1") = "6"
    & skf21("7","2","5","2","7","4","5","1") = "6"
    & skf21("7","2","5","2","7","4","6","1") = "6"
    & skf21("7","2","5","2","7","4","7","1") = "6"
    & skf21("7","2","5","2","7","5","1","1") = "6"
    & skf21("7","2","5","2","7","5","2","1") = "6"
    & skf21("7","2","5","2","7","5","3","1") = "6"
    & skf21("7","2","5","2","7","5","4","1") = "6"
    & skf21("7","2","5","2","7","5","5","1") = "6"
    & skf21("7","2","5","2","7","5","6","1") = "6"
    & skf21("7","2","5","2","7","5","7","1") = "6"
    & skf21("7","2","5","2","7","6","1","1") = "6"
    & skf21("7","2","5","2","7","6","2","1") = "6"
    & skf21("7","2","5","2","7","6","3","1") = "6"
    & skf21("7","2","5","2","7","6","4","1") = "6"
    & skf21("7","2","5","2","7","6","5","1") = "6"
    & skf21("7","2","5","2","7","6","6","1") = "6"
    & skf21("7","2","5","2","7","6","7","1") = "6"
    & skf21("7","2","5","2","7","7","1","1") = "6"
    & skf21("7","2","5","2","7","7","2","1") = "6"
    & skf21("7","2","5","2","7","7","3","1") = "6"
    & skf21("7","2","5","2","7","7","4","1") = "6"
    & skf21("7","2","5","2","7","7","5","1") = "6"
    & skf21("7","2","5","2","7","7","6","1") = "6"
    & skf21("7","2","5","2","7","7","7","1") = "6"
    & skf21("7","2","5","3","1","1","1","1") = "6"
    & skf21("7","2","5","3","1","1","2","1") = "6"
    & skf21("7","2","5","3","1","1","3","1") = "6"
    & skf21("7","2","5","3","1","1","4","1") = "6"
    & skf21("7","2","5","3","1","1","5","1") = "6"
    & skf21("7","2","5","3","1","1","6","1") = "6"
    & skf21("7","2","5","3","1","1","7","1") = "6"
    & skf21("7","2","5","3","1","2","1","1") = "6"
    & skf21("7","2","5","3","1","2","2","1") = "6"
    & skf21("7","2","5","3","1","2","3","1") = "6"
    & skf21("7","2","5","3","1","2","4","1") = "6"
    & skf21("7","2","5","3","1","2","5","1") = "6"
    & skf21("7","2","5","3","1","2","6","1") = "6"
    & skf21("7","2","5","3","1","2","7","1") = "6"
    & skf21("7","2","5","3","1","3","1","1") = "6"
    & skf21("7","2","5","3","1","3","2","1") = "6"
    & skf21("7","2","5","3","1","3","3","1") = "6"
    & skf21("7","2","5","3","1","3","4","1") = "6"
    & skf21("7","2","5","3","1","3","5","1") = "6"
    & skf21("7","2","5","3","1","3","6","1") = "6"
    & skf21("7","2","5","3","1","3","7","1") = "6"
    & skf21("7","2","5","3","1","4","1","1") = "6"
    & skf21("7","2","5","3","1","4","2","1") = "6"
    & skf21("7","2","5","3","1","4","3","1") = "6"
    & skf21("7","2","5","3","1","4","4","1") = "6"
    & skf21("7","2","5","3","1","4","5","1") = "6"
    & skf21("7","2","5","3","1","4","6","1") = "6"
    & skf21("7","2","5","3","1","4","7","1") = "6"
    & skf21("7","2","5","3","1","5","1","1") = "6"
    & skf21("7","2","5","3","1","5","2","1") = "6"
    & skf21("7","2","5","3","1","5","3","1") = "6"
    & skf21("7","2","5","3","1","5","4","1") = "6"
    & skf21("7","2","5","3","1","5","5","1") = "6"
    & skf21("7","2","5","3","1","5","6","1") = "6"
    & skf21("7","2","5","3","1","5","7","1") = "6"
    & skf21("7","2","5","3","1","6","1","1") = "6"
    & skf21("7","2","5","3","1","6","2","1") = "6"
    & skf21("7","2","5","3","1","6","3","1") = "6"
    & skf21("7","2","5","3","1","6","4","1") = "6"
    & skf21("7","2","5","3","1","6","5","1") = "6"
    & skf21("7","2","5","3","1","6","6","1") = "6"
    & skf21("7","2","5","3","1","6","7","1") = "6"
    & skf21("7","2","5","3","1","7","1","1") = "6"
    & skf21("7","2","5","3","1","7","2","1") = "6"
    & skf21("7","2","5","3","1","7","3","1") = "6"
    & skf21("7","2","5","3","1","7","4","1") = "6"
    & skf21("7","2","5","3","1","7","5","1") = "6"
    & skf21("7","2","5","3","1","7","6","1") = "6"
    & skf21("7","2","5","3","1","7","7","1") = "6"
    & skf21("7","2","5","3","2","1","1","1") = "6"
    & skf21("7","2","5","3","2","1","2","1") = "6"
    & skf21("7","2","5","3","2","1","3","1") = "6"
    & skf21("7","2","5","3","2","1","4","1") = "6"
    & skf21("7","2","5","3","2","1","5","1") = "6"
    & skf21("7","2","5","3","2","1","6","1") = "6"
    & skf21("7","2","5","3","2","1","7","1") = "6"
    & skf21("7","2","5","3","2","2","1","1") = "6"
    & skf21("7","2","5","3","2","2","2","1") = "6"
    & skf21("7","2","5","3","2","2","3","1") = "6"
    & skf21("7","2","5","3","2","2","4","1") = "6"
    & skf21("7","2","5","3","2","2","5","1") = "6"
    & skf21("7","2","5","3","2","2","6","1") = "6"
    & skf21("7","2","5","3","2","2","7","1") = "6"
    & skf21("7","2","5","3","2","3","1","1") = "6"
    & skf21("7","2","5","3","2","3","2","1") = "6"
    & skf21("7","2","5","3","2","3","3","1") = "6"
    & skf21("7","2","5","3","2","3","4","1") = "6"
    & skf21("7","2","5","3","2","3","5","1") = "6"
    & skf21("7","2","5","3","2","3","6","1") = "6"
    & skf21("7","2","5","3","2","3","7","1") = "6"
    & skf21("7","2","5","3","2","4","1","1") = "6"
    & skf21("7","2","5","3","2","4","2","1") = "6"
    & skf21("7","2","5","3","2","4","3","1") = "6"
    & skf21("7","2","5","3","2","4","4","1") = "6"
    & skf21("7","2","5","3","2","4","5","1") = "6"
    & skf21("7","2","5","3","2","4","6","1") = "6"
    & skf21("7","2","5","3","2","4","7","1") = "6"
    & skf21("7","2","5","3","2","5","1","1") = "6"
    & skf21("7","2","5","3","2","5","2","1") = "6"
    & skf21("7","2","5","3","2","5","3","1") = "6"
    & skf21("7","2","5","3","2","5","4","1") = "6"
    & skf21("7","2","5","3","2","5","5","1") = "6"
    & skf21("7","2","5","3","2","5","6","1") = "6"
    & skf21("7","2","5","3","2","5","7","1") = "6"
    & skf21("7","2","5","3","2","6","1","1") = "6"
    & skf21("7","2","5","3","2","6","2","1") = "6"
    & skf21("7","2","5","3","2","6","3","1") = "6"
    & skf21("7","2","5","3","2","6","4","1") = "6"
    & skf21("7","2","5","3","2","6","5","1") = "6"
    & skf21("7","2","5","3","2","6","6","1") = "6"
    & skf21("7","2","5","3","2","6","7","1") = "6"
    & skf21("7","2","5","3","2","7","1","1") = "6"
    & skf21("7","2","5","3","2","7","2","1") = "6"
    & skf21("7","2","5","3","2","7","3","1") = "6"
    & skf21("7","2","5","3","2","7","4","1") = "6"
    & skf21("7","2","5","3","2","7","5","1") = "6"
    & skf21("7","2","5","3","2","7","6","1") = "6"
    & skf21("7","2","5","3","2","7","7","1") = "6"
    & skf21("7","2","5","3","3","1","1","1") = "6"
    & skf21("7","2","5","3","3","1","2","1") = "6"
    & skf21("7","2","5","3","3","1","3","1") = "6"
    & skf21("7","2","5","3","3","1","4","1") = "6"
    & skf21("7","2","5","3","3","1","5","1") = "6"
    & skf21("7","2","5","3","3","1","6","1") = "6"
    & skf21("7","2","5","3","3","1","7","1") = "6"
    & skf21("7","2","5","3","3","2","1","1") = "6"
    & skf21("7","2","5","3","3","2","2","1") = "6"
    & skf21("7","2","5","3","3","2","3","1") = "6"
    & skf21("7","2","5","3","3","2","4","1") = "6"
    & skf21("7","2","5","3","3","2","5","1") = "6"
    & skf21("7","2","5","3","3","2","6","1") = "6"
    & skf21("7","2","5","3","3","2","7","1") = "6"
    & skf21("7","2","5","3","3","3","1","1") = "6"
    & skf21("7","2","5","3","3","3","2","1") = "6"
    & skf21("7","2","5","3","3","3","3","1") = "6"
    & skf21("7","2","5","3","3","3","4","1") = "6"
    & skf21("7","2","5","3","3","3","5","1") = "6"
    & skf21("7","2","5","3","3","3","6","1") = "6"
    & skf21("7","2","5","3","3","3","7","1") = "6"
    & skf21("7","2","5","3","3","4","1","1") = "6"
    & skf21("7","2","5","3","3","4","2","1") = "6"
    & skf21("7","2","5","3","3","4","3","1") = "6"
    & skf21("7","2","5","3","3","4","4","1") = "6"
    & skf21("7","2","5","3","3","4","5","1") = "6"
    & skf21("7","2","5","3","3","4","6","1") = "6"
    & skf21("7","2","5","3","3","4","7","1") = "6"
    & skf21("7","2","5","3","3","5","1","1") = "6"
    & skf21("7","2","5","3","3","5","2","1") = "6"
    & skf21("7","2","5","3","3","5","3","1") = "6"
    & skf21("7","2","5","3","3","5","4","1") = "6"
    & skf21("7","2","5","3","3","5","5","1") = "6"
    & skf21("7","2","5","3","3","5","6","1") = "6"
    & skf21("7","2","5","3","3","5","7","1") = "6"
    & skf21("7","2","5","3","3","6","1","1") = "6"
    & skf21("7","2","5","3","3","6","2","1") = "6"
    & skf21("7","2","5","3","3","6","3","1") = "6"
    & skf21("7","2","5","3","3","6","4","1") = "6"
    & skf21("7","2","5","3","3","6","5","1") = "6"
    & skf21("7","2","5","3","3","6","6","1") = "6"
    & skf21("7","2","5","3","3","6","7","1") = "6"
    & skf21("7","2","5","3","3","7","1","1") = "6"
    & skf21("7","2","5","3","3","7","2","1") = "6"
    & skf21("7","2","5","3","3","7","3","1") = "6"
    & skf21("7","2","5","3","3","7","4","1") = "6"
    & skf21("7","2","5","3","3","7","5","1") = "6"
    & skf21("7","2","5","3","3","7","6","1") = "6"
    & skf21("7","2","5","3","3","7","7","1") = "6"
    & skf21("7","2","5","3","4","1","1","1") = "6"
    & skf21("7","2","5","3","4","1","2","1") = "6"
    & skf21("7","2","5","3","4","1","3","1") = "6"
    & skf21("7","2","5","3","4","1","4","1") = "6"
    & skf21("7","2","5","3","4","1","5","1") = "6"
    & skf21("7","2","5","3","4","1","6","1") = "6"
    & skf21("7","2","5","3","4","1","7","1") = "6"
    & skf21("7","2","5","3","4","2","1","1") = "6"
    & skf21("7","2","5","3","4","2","2","1") = "6"
    & skf21("7","2","5","3","4","2","3","1") = "6"
    & skf21("7","2","5","3","4","2","4","1") = "6"
    & skf21("7","2","5","3","4","2","5","1") = "6"
    & skf21("7","2","5","3","4","2","6","1") = "6"
    & skf21("7","2","5","3","4","2","7","1") = "6"
    & skf21("7","2","5","3","4","3","1","1") = "6"
    & skf21("7","2","5","3","4","3","2","1") = "6"
    & skf21("7","2","5","3","4","3","3","1") = "6"
    & skf21("7","2","5","3","4","3","4","1") = "6"
    & skf21("7","2","5","3","4","3","5","1") = "6"
    & skf21("7","2","5","3","4","3","6","1") = "6"
    & skf21("7","2","5","3","4","3","7","1") = "6"
    & skf21("7","2","5","3","4","4","1","1") = "6"
    & skf21("7","2","5","3","4","4","2","1") = "6"
    & skf21("7","2","5","3","4","4","3","1") = "6"
    & skf21("7","2","5","3","4","4","4","1") = "6"
    & skf21("7","2","5","3","4","4","5","1") = "6"
    & skf21("7","2","5","3","4","4","6","1") = "6"
    & skf21("7","2","5","3","4","4","7","1") = "6"
    & skf21("7","2","5","3","4","5","1","1") = "6"
    & skf21("7","2","5","3","4","5","2","1") = "6"
    & skf21("7","2","5","3","4","5","3","1") = "6"
    & skf21("7","2","5","3","4","5","4","1") = "6"
    & skf21("7","2","5","3","4","5","5","1") = "6"
    & skf21("7","2","5","3","4","5","6","1") = "6"
    & skf21("7","2","5","3","4","5","7","1") = "6"
    & skf21("7","2","5","3","4","6","1","1") = "6"
    & skf21("7","2","5","3","4","6","2","1") = "6"
    & skf21("7","2","5","3","4","6","3","1") = "6"
    & skf21("7","2","5","3","4","6","4","1") = "6"
    & skf21("7","2","5","3","4","6","5","1") = "6"
    & skf21("7","2","5","3","4","6","6","1") = "6"
    & skf21("7","2","5","3","4","6","7","1") = "6"
    & skf21("7","2","5","3","4","7","1","1") = "6"
    & skf21("7","2","5","3","4","7","2","1") = "6"
    & skf21("7","2","5","3","4","7","3","1") = "6"
    & skf21("7","2","5","3","4","7","4","1") = "6"
    & skf21("7","2","5","3","4","7","5","1") = "6"
    & skf21("7","2","5","3","4","7","6","1") = "6"
    & skf21("7","2","5","3","4","7","7","1") = "6"
    & skf21("7","2","5","3","5","1","1","1") = "6"
    & skf21("7","2","5","3","5","1","2","1") = "6"
    & skf21("7","2","5","3","5","1","3","1") = "6"
    & skf21("7","2","5","3","5","1","4","1") = "6"
    & skf21("7","2","5","3","5","1","5","1") = "6"
    & skf21("7","2","5","3","5","1","6","1") = "6"
    & skf21("7","2","5","3","5","1","7","1") = "6"
    & skf21("7","2","5","3","5","2","1","1") = "6"
    & skf21("7","2","5","3","5","2","2","1") = "6"
    & skf21("7","2","5","3","5","2","3","1") = "6"
    & skf21("7","2","5","3","5","2","4","1") = "6"
    & skf21("7","2","5","3","5","2","5","1") = "6"
    & skf21("7","2","5","3","5","2","6","1") = "6"
    & skf21("7","2","5","3","5","2","7","1") = "6"
    & skf21("7","2","5","3","5","3","1","1") = "6"
    & skf21("7","2","5","3","5","3","2","1") = "6"
    & skf21("7","2","5","3","5","3","3","1") = "6"
    & skf21("7","2","5","3","5","3","4","1") = "6"
    & skf21("7","2","5","3","5","3","5","1") = "6"
    & skf21("7","2","5","3","5","3","6","1") = "6"
    & skf21("7","2","5","3","5","3","7","1") = "6"
    & skf21("7","2","5","3","5","4","1","1") = "6"
    & skf21("7","2","5","3","5","4","2","1") = "6"
    & skf21("7","2","5","3","5","4","3","1") = "6"
    & skf21("7","2","5","3","5","4","4","1") = "6"
    & skf21("7","2","5","3","5","4","5","1") = "6"
    & skf21("7","2","5","3","5","4","6","1") = "6"
    & skf21("7","2","5","3","5","4","7","1") = "6"
    & skf21("7","2","5","3","5","5","1","1") = "6"
    & skf21("7","2","5","3","5","5","2","1") = "6"
    & skf21("7","2","5","3","5","5","3","1") = "6"
    & skf21("7","2","5","3","5","5","4","1") = "6"
    & skf21("7","2","5","3","5","5","5","1") = "6"
    & skf21("7","2","5","3","5","5","6","1") = "6"
    & skf21("7","2","5","3","5","5","7","1") = "6"
    & skf21("7","2","5","3","5","6","1","1") = "6"
    & skf21("7","2","5","3","5","6","2","1") = "6"
    & skf21("7","2","5","3","5","6","3","1") = "6"
    & skf21("7","2","5","3","5","6","4","1") = "6"
    & skf21("7","2","5","3","5","6","5","1") = "6"
    & skf21("7","2","5","3","5","6","6","1") = "6"
    & skf21("7","2","5","3","5","6","7","1") = "6"
    & skf21("7","2","5","3","5","7","1","1") = "6"
    & skf21("7","2","5","3","5","7","2","1") = "6"
    & skf21("7","2","5","3","5","7","3","1") = "6"
    & skf21("7","2","5","3","5","7","4","1") = "6"
    & skf21("7","2","5","3","5","7","5","1") = "6"
    & skf21("7","2","5","3","5","7","6","1") = "6"
    & skf21("7","2","5","3","5","7","7","1") = "6"
    & skf21("7","2","5","3","6","1","1","1") = "6"
    & skf21("7","2","5","3","6","1","2","1") = "6"
    & skf21("7","2","5","3","6","1","3","1") = "6"
    & skf21("7","2","5","3","6","1","4","1") = "6"
    & skf21("7","2","5","3","6","1","5","1") = "6"
    & skf21("7","2","5","3","6","1","6","1") = "6"
    & skf21("7","2","5","3","6","1","7","1") = "6"
    & skf21("7","2","5","3","6","2","1","1") = "6"
    & skf21("7","2","5","3","6","2","2","1") = "6"
    & skf21("7","2","5","3","6","2","3","1") = "6"
    & skf21("7","2","5","3","6","2","4","1") = "6"
    & skf21("7","2","5","3","6","2","5","1") = "6"
    & skf21("7","2","5","3","6","2","6","1") = "6"
    & skf21("7","2","5","3","6","2","7","1") = "6"
    & skf21("7","2","5","3","6","3","1","1") = "6"
    & skf21("7","2","5","3","6","3","2","1") = "6"
    & skf21("7","2","5","3","6","3","3","1") = "6"
    & skf21("7","2","5","3","6","3","4","1") = "6"
    & skf21("7","2","5","3","6","3","5","1") = "6"
    & skf21("7","2","5","3","6","3","6","1") = "6"
    & skf21("7","2","5","3","6","3","7","1") = "6"
    & skf21("7","2","5","3","6","4","1","1") = "6"
    & skf21("7","2","5","3","6","4","2","1") = "6"
    & skf21("7","2","5","3","6","4","3","1") = "6"
    & skf21("7","2","5","3","6","4","4","1") = "6"
    & skf21("7","2","5","3","6","4","5","1") = "6"
    & skf21("7","2","5","3","6","4","6","1") = "6"
    & skf21("7","2","5","3","6","4","7","1") = "6"
    & skf21("7","2","5","3","6","5","1","1") = "6"
    & skf21("7","2","5","3","6","5","2","1") = "6"
    & skf21("7","2","5","3","6","5","3","1") = "6"
    & skf21("7","2","5","3","6","5","4","1") = "6"
    & skf21("7","2","5","3","6","5","5","1") = "6"
    & skf21("7","2","5","3","6","5","6","1") = "6"
    & skf21("7","2","5","3","6","5","7","1") = "6"
    & skf21("7","2","5","3","6","6","1","1") = "6"
    & skf21("7","2","5","3","6","6","2","1") = "6"
    & skf21("7","2","5","3","6","6","3","1") = "6"
    & skf21("7","2","5","3","6","6","4","1") = "6"
    & skf21("7","2","5","3","6","6","5","1") = "6"
    & skf21("7","2","5","3","6","6","6","1") = "6"
    & skf21("7","2","5","3","6","6","7","1") = "6"
    & skf21("7","2","5","3","6","7","1","1") = "6"
    & skf21("7","2","5","3","6","7","2","1") = "6"
    & skf21("7","2","5","3","6","7","3","1") = "6"
    & skf21("7","2","5","3","6","7","4","1") = "6"
    & skf21("7","2","5","3","6","7","5","1") = "6"
    & skf21("7","2","5","3","6","7","6","1") = "6"
    & skf21("7","2","5","3","6","7","7","1") = "6"
    & skf21("7","2","5","3","7","1","1","1") = "6"
    & skf21("7","2","5","3","7","1","2","1") = "6"
    & skf21("7","2","5","3","7","1","3","1") = "6"
    & skf21("7","2","5","3","7","1","4","1") = "6"
    & skf21("7","2","5","3","7","1","5","1") = "6"
    & skf21("7","2","5","3","7","1","6","1") = "6"
    & skf21("7","2","5","3","7","1","7","1") = "6"
    & skf21("7","2","5","3","7","2","1","1") = "6"
    & skf21("7","2","5","3","7","2","2","1") = "6"
    & skf21("7","2","5","3","7","2","3","1") = "6"
    & skf21("7","2","5","3","7","2","4","1") = "6"
    & skf21("7","2","5","3","7","2","5","1") = "6"
    & skf21("7","2","5","3","7","2","6","1") = "6"
    & skf21("7","2","5","3","7","2","7","1") = "6"
    & skf21("7","2","5","3","7","3","1","1") = "6"
    & skf21("7","2","5","3","7","3","2","1") = "6"
    & skf21("7","2","5","3","7","3","3","1") = "6"
    & skf21("7","2","5","3","7","3","4","1") = "6"
    & skf21("7","2","5","3","7","3","5","1") = "6"
    & skf21("7","2","5","3","7","3","6","1") = "6"
    & skf21("7","2","5","3","7","3","7","1") = "6"
    & skf21("7","2","5","3","7","4","1","1") = "6"
    & skf21("7","2","5","3","7","4","2","1") = "6"
    & skf21("7","2","5","3","7","4","3","1") = "6"
    & skf21("7","2","5","3","7","4","4","1") = "6"
    & skf21("7","2","5","3","7","4","5","1") = "6"
    & skf21("7","2","5","3","7","4","6","1") = "6"
    & skf21("7","2","5","3","7","4","7","1") = "6"
    & skf21("7","2","5","3","7","5","1","1") = "6"
    & skf21("7","2","5","3","7","5","2","1") = "6"
    & skf21("7","2","5","3","7","5","3","1") = "6"
    & skf21("7","2","5","3","7","5","4","1") = "6"
    & skf21("7","2","5","3","7","5","5","1") = "6"
    & skf21("7","2","5","3","7","5","6","1") = "6"
    & skf21("7","2","5","3","7","5","7","1") = "6"
    & skf21("7","2","5","3","7","6","1","1") = "6"
    & skf21("7","2","5","3","7","6","2","1") = "6"
    & skf21("7","2","5","3","7","6","3","1") = "6"
    & skf21("7","2","5","3","7","6","4","1") = "6"
    & skf21("7","2","5","3","7","6","5","1") = "6"
    & skf21("7","2","5","3","7","6","6","1") = "6"
    & skf21("7","2","5","3","7","6","7","1") = "6"
    & skf21("7","2","5","3","7","7","1","1") = "6"
    & skf21("7","2","5","3","7","7","2","1") = "6"
    & skf21("7","2","5","3","7","7","3","1") = "6"
    & skf21("7","2","5","3","7","7","4","1") = "6"
    & skf21("7","2","5","3","7","7","5","1") = "6"
    & skf21("7","2","5","3","7","7","6","1") = "6"
    & skf21("7","2","5","3","7","7","7","1") = "6"
    & skf21("7","2","5","4","1","1","1","1") = "6"
    & skf21("7","2","5","4","1","1","2","1") = "6"
    & skf21("7","2","5","4","1","1","3","1") = "6"
    & skf21("7","2","5","4","1","1","4","1") = "6"
    & skf21("7","2","5","4","1","1","5","1") = "6"
    & skf21("7","2","5","4","1","1","6","1") = "6"
    & skf21("7","2","5","4","1","1","7","1") = "6"
    & skf21("7","2","5","4","1","2","1","1") = "6"
    & skf21("7","2","5","4","1","2","2","1") = "6"
    & skf21("7","2","5","4","1","2","3","1") = "6"
    & skf21("7","2","5","4","1","2","4","1") = "6"
    & skf21("7","2","5","4","1","2","5","1") = "6"
    & skf21("7","2","5","4","1","2","6","1") = "6"
    & skf21("7","2","5","4","1","2","7","1") = "6"
    & skf21("7","2","5","4","1","3","1","1") = "6"
    & skf21("7","2","5","4","1","3","2","1") = "6"
    & skf21("7","2","5","4","1","3","3","1") = "6"
    & skf21("7","2","5","4","1","3","4","1") = "6"
    & skf21("7","2","5","4","1","3","5","1") = "6"
    & skf21("7","2","5","4","1","3","6","1") = "6"
    & skf21("7","2","5","4","1","3","7","1") = "6"
    & skf21("7","2","5","4","1","4","1","1") = "6"
    & skf21("7","2","5","4","1","4","2","1") = "6"
    & skf21("7","2","5","4","1","4","3","1") = "6"
    & skf21("7","2","5","4","1","4","4","1") = "6"
    & skf21("7","2","5","4","1","4","5","1") = "6"
    & skf21("7","2","5","4","1","4","6","1") = "6"
    & skf21("7","2","5","4","1","4","7","1") = "6"
    & skf21("7","2","5","4","1","5","1","1") = "6"
    & skf21("7","2","5","4","1","5","2","1") = "6"
    & skf21("7","2","5","4","1","5","3","1") = "6"
    & skf21("7","2","5","4","1","5","4","1") = "6"
    & skf21("7","2","5","4","1","5","5","1") = "6"
    & skf21("7","2","5","4","1","5","6","1") = "6"
    & skf21("7","2","5","4","1","5","7","1") = "6"
    & skf21("7","2","5","4","1","6","1","1") = "6"
    & skf21("7","2","5","4","1","6","2","1") = "6"
    & skf21("7","2","5","4","1","6","3","1") = "6"
    & skf21("7","2","5","4","1","6","4","1") = "6"
    & skf21("7","2","5","4","1","6","5","1") = "6"
    & skf21("7","2","5","4","1","6","6","1") = "6"
    & skf21("7","2","5","4","1","6","7","1") = "6"
    & skf21("7","2","5","4","1","7","1","1") = "6"
    & skf21("7","2","5","4","1","7","2","1") = "6"
    & skf21("7","2","5","4","1","7","3","1") = "6"
    & skf21("7","2","5","4","1","7","4","1") = "6"
    & skf21("7","2","5","4","1","7","5","1") = "6"
    & skf21("7","2","5","4","1","7","6","1") = "6"
    & skf21("7","2","5","4","1","7","7","1") = "6"
    & skf21("7","2","5","4","2","1","1","1") = "6"
    & skf21("7","2","5","4","2","1","2","1") = "6"
    & skf21("7","2","5","4","2","1","3","1") = "6"
    & skf21("7","2","5","4","2","1","4","1") = "6"
    & skf21("7","2","5","4","2","1","5","1") = "6"
    & skf21("7","2","5","4","2","1","6","1") = "6"
    & skf21("7","2","5","4","2","1","7","1") = "6"
    & skf21("7","2","5","4","2","2","1","1") = "6"
    & skf21("7","2","5","4","2","2","2","1") = "6"
    & skf21("7","2","5","4","2","2","3","1") = "6"
    & skf21("7","2","5","4","2","2","4","1") = "6"
    & skf21("7","2","5","4","2","2","5","1") = "6"
    & skf21("7","2","5","4","2","2","6","1") = "6"
    & skf21("7","2","5","4","2","2","7","1") = "6"
    & skf21("7","2","5","4","2","3","1","1") = "6"
    & skf21("7","2","5","4","2","3","2","1") = "6"
    & skf21("7","2","5","4","2","3","3","1") = "6"
    & skf21("7","2","5","4","2","3","4","1") = "6"
    & skf21("7","2","5","4","2","3","5","1") = "6"
    & skf21("7","2","5","4","2","3","6","1") = "6"
    & skf21("7","2","5","4","2","3","7","1") = "6"
    & skf21("7","2","5","4","2","4","1","1") = "6"
    & skf21("7","2","5","4","2","4","2","1") = "6"
    & skf21("7","2","5","4","2","4","3","1") = "6"
    & skf21("7","2","5","4","2","4","4","1") = "6"
    & skf21("7","2","5","4","2","4","5","1") = "6"
    & skf21("7","2","5","4","2","4","6","1") = "6"
    & skf21("7","2","5","4","2","4","7","1") = "6"
    & skf21("7","2","5","4","2","5","1","1") = "6"
    & skf21("7","2","5","4","2","5","2","1") = "6"
    & skf21("7","2","5","4","2","5","3","1") = "6"
    & skf21("7","2","5","4","2","5","4","1") = "6"
    & skf21("7","2","5","4","2","5","5","1") = "6"
    & skf21("7","2","5","4","2","5","6","1") = "6"
    & skf21("7","2","5","4","2","5","7","1") = "6"
    & skf21("7","2","5","4","2","6","1","1") = "6"
    & skf21("7","2","5","4","2","6","2","1") = "6"
    & skf21("7","2","5","4","2","6","3","1") = "6"
    & skf21("7","2","5","4","2","6","4","1") = "6"
    & skf21("7","2","5","4","2","6","5","1") = "6"
    & skf21("7","2","5","4","2","6","6","1") = "6"
    & skf21("7","2","5","4","2","6","7","1") = "6"
    & skf21("7","2","5","4","2","7","1","1") = "6"
    & skf21("7","2","5","4","2","7","2","1") = "6"
    & skf21("7","2","5","4","2","7","3","1") = "6"
    & skf21("7","2","5","4","2","7","4","1") = "6"
    & skf21("7","2","5","4","2","7","5","1") = "6"
    & skf21("7","2","5","4","2","7","6","1") = "6"
    & skf21("7","2","5","4","2","7","7","1") = "6"
    & skf21("7","2","5","4","3","1","1","1") = "6"
    & skf21("7","2","5","4","3","1","2","1") = "6"
    & skf21("7","2","5","4","3","1","3","1") = "6"
    & skf21("7","2","5","4","3","1","4","1") = "6"
    & skf21("7","2","5","4","3","1","5","1") = "6"
    & skf21("7","2","5","4","3","1","6","1") = "6"
    & skf21("7","2","5","4","3","1","7","1") = "6"
    & skf21("7","2","5","4","3","2","1","1") = "6"
    & skf21("7","2","5","4","3","2","2","1") = "6"
    & skf21("7","2","5","4","3","2","3","1") = "6"
    & skf21("7","2","5","4","3","2","4","1") = "6"
    & skf21("7","2","5","4","3","2","5","1") = "6"
    & skf21("7","2","5","4","3","2","6","1") = "6"
    & skf21("7","2","5","4","3","2","7","1") = "6"
    & skf21("7","2","5","4","3","3","1","1") = "6"
    & skf21("7","2","5","4","3","3","2","1") = "6"
    & skf21("7","2","5","4","3","3","3","1") = "6"
    & skf21("7","2","5","4","3","3","4","1") = "6"
    & skf21("7","2","5","4","3","3","5","1") = "6"
    & skf21("7","2","5","4","3","3","6","1") = "6"
    & skf21("7","2","5","4","3","3","7","1") = "6"
    & skf21("7","2","5","4","3","4","1","1") = "6"
    & skf21("7","2","5","4","3","4","2","1") = "6"
    & skf21("7","2","5","4","3","4","3","1") = "6"
    & skf21("7","2","5","4","3","4","4","1") = "6"
    & skf21("7","2","5","4","3","4","5","1") = "6"
    & skf21("7","2","5","4","3","4","6","1") = "6"
    & skf21("7","2","5","4","3","4","7","1") = "6"
    & skf21("7","2","5","4","3","5","1","1") = "6"
    & skf21("7","2","5","4","3","5","2","1") = "6"
    & skf21("7","2","5","4","3","5","3","1") = "6"
    & skf21("7","2","5","4","3","5","4","1") = "6"
    & skf21("7","2","5","4","3","5","5","1") = "6"
    & skf21("7","2","5","4","3","5","6","1") = "6"
    & skf21("7","2","5","4","3","5","7","1") = "6"
    & skf21("7","2","5","4","3","6","1","1") = "6"
    & skf21("7","2","5","4","3","6","2","1") = "6"
    & skf21("7","2","5","4","3","6","3","1") = "6"
    & skf21("7","2","5","4","3","6","4","1") = "6"
    & skf21("7","2","5","4","3","6","5","1") = "6"
    & skf21("7","2","5","4","3","6","6","1") = "6"
    & skf21("7","2","5","4","3","6","7","1") = "6"
    & skf21("7","2","5","4","3","7","1","1") = "6"
    & skf21("7","2","5","4","3","7","2","1") = "6"
    & skf21("7","2","5","4","3","7","3","1") = "6"
    & skf21("7","2","5","4","3","7","4","1") = "6"
    & skf21("7","2","5","4","3","7","5","1") = "6"
    & skf21("7","2","5","4","3","7","6","1") = "6"
    & skf21("7","2","5","4","3","7","7","1") = "6"
    & skf21("7","2","5","4","4","1","1","1") = "6"
    & skf21("7","2","5","4","4","1","2","1") = "6"
    & skf21("7","2","5","4","4","1","3","1") = "6"
    & skf21("7","2","5","4","4","1","4","1") = "6"
    & skf21("7","2","5","4","4","1","5","1") = "6"
    & skf21("7","2","5","4","4","1","6","1") = "6"
    & skf21("7","2","5","4","4","1","7","1") = "6"
    & skf21("7","2","5","4","4","2","1","1") = "6"
    & skf21("7","2","5","4","4","2","2","1") = "6"
    & skf21("7","2","5","4","4","2","3","1") = "6"
    & skf21("7","2","5","4","4","2","4","1") = "6"
    & skf21("7","2","5","4","4","2","5","1") = "6"
    & skf21("7","2","5","4","4","2","6","1") = "6"
    & skf21("7","2","5","4","4","2","7","1") = "6"
    & skf21("7","2","5","4","4","3","1","1") = "6"
    & skf21("7","2","5","4","4","3","2","1") = "6"
    & skf21("7","2","5","4","4","3","3","1") = "6"
    & skf21("7","2","5","4","4","3","4","1") = "6"
    & skf21("7","2","5","4","4","3","5","1") = "6"
    & skf21("7","2","5","4","4","3","6","1") = "6"
    & skf21("7","2","5","4","4","3","7","1") = "6"
    & skf21("7","2","5","4","4","4","1","1") = "6"
    & skf21("7","2","5","4","4","4","2","1") = "6"
    & skf21("7","2","5","4","4","4","3","1") = "6"
    & skf21("7","2","5","4","4","4","4","1") = "6"
    & skf21("7","2","5","4","4","4","5","1") = "6"
    & skf21("7","2","5","4","4","4","6","1") = "6"
    & skf21("7","2","5","4","4","4","7","1") = "6"
    & skf21("7","2","5","4","4","5","1","1") = "6"
    & skf21("7","2","5","4","4","5","2","1") = "6"
    & skf21("7","2","5","4","4","5","3","1") = "6"
    & skf21("7","2","5","4","4","5","4","1") = "6"
    & skf21("7","2","5","4","4","5","5","1") = "6"
    & skf21("7","2","5","4","4","5","6","1") = "6"
    & skf21("7","2","5","4","4","5","7","1") = "6"
    & skf21("7","2","5","4","4","6","1","1") = "6"
    & skf21("7","2","5","4","4","6","2","1") = "6"
    & skf21("7","2","5","4","4","6","3","1") = "6"
    & skf21("7","2","5","4","4","6","4","1") = "6"
    & skf21("7","2","5","4","4","6","5","1") = "6"
    & skf21("7","2","5","4","4","6","6","1") = "6"
    & skf21("7","2","5","4","4","6","7","1") = "6"
    & skf21("7","2","5","4","4","7","1","1") = "6"
    & skf21("7","2","5","4","4","7","2","1") = "6"
    & skf21("7","2","5","4","4","7","3","1") = "6"
    & skf21("7","2","5","4","4","7","4","1") = "6"
    & skf21("7","2","5","4","4","7","5","1") = "6"
    & skf21("7","2","5","4","4","7","6","1") = "6"
    & skf21("7","2","5","4","4","7","7","1") = "6"
    & skf21("7","2","5","4","5","1","1","1") = "6"
    & skf21("7","2","5","4","5","1","2","1") = "6"
    & skf21("7","2","5","4","5","1","3","1") = "6"
    & skf21("7","2","5","4","5","1","4","1") = "6"
    & skf21("7","2","5","4","5","1","5","1") = "6"
    & skf21("7","2","5","4","5","1","6","1") = "6"
    & skf21("7","2","5","4","5","1","7","1") = "6"
    & skf21("7","2","5","4","5","2","1","1") = "6"
    & skf21("7","2","5","4","5","2","2","1") = "6"
    & skf21("7","2","5","4","5","2","3","1") = "6"
    & skf21("7","2","5","4","5","2","4","1") = "6"
    & skf21("7","2","5","4","5","2","5","1") = "6"
    & skf21("7","2","5","4","5","2","6","1") = "6"
    & skf21("7","2","5","4","5","2","7","1") = "6"
    & skf21("7","2","5","4","5","3","1","1") = "6"
    & skf21("7","2","5","4","5","3","2","1") = "6"
    & skf21("7","2","5","4","5","3","3","1") = "6"
    & skf21("7","2","5","4","5","3","4","1") = "6"
    & skf21("7","2","5","4","5","3","5","1") = "6"
    & skf21("7","2","5","4","5","3","6","1") = "6"
    & skf21("7","2","5","4","5","3","7","1") = "6"
    & skf21("7","2","5","4","5","4","1","1") = "6"
    & skf21("7","2","5","4","5","4","2","1") = "6"
    & skf21("7","2","5","4","5","4","3","1") = "6"
    & skf21("7","2","5","4","5","4","4","1") = "6"
    & skf21("7","2","5","4","5","4","5","1") = "6"
    & skf21("7","2","5","4","5","4","6","1") = "6"
    & skf21("7","2","5","4","5","4","7","1") = "6"
    & skf21("7","2","5","4","5","5","1","1") = "6"
    & skf21("7","2","5","4","5","5","2","1") = "6"
    & skf21("7","2","5","4","5","5","3","1") = "6"
    & skf21("7","2","5","4","5","5","4","1") = "6"
    & skf21("7","2","5","4","5","5","5","1") = "6"
    & skf21("7","2","5","4","5","5","6","1") = "6"
    & skf21("7","2","5","4","5","5","7","1") = "6"
    & skf21("7","2","5","4","5","6","1","1") = "6"
    & skf21("7","2","5","4","5","6","2","1") = "6"
    & skf21("7","2","5","4","5","6","3","1") = "6"
    & skf21("7","2","5","4","5","6","4","1") = "6"
    & skf21("7","2","5","4","5","6","5","1") = "6"
    & skf21("7","2","5","4","5","6","6","1") = "6"
    & skf21("7","2","5","4","5","6","7","1") = "6"
    & skf21("7","2","5","4","5","7","1","1") = "6"
    & skf21("7","2","5","4","5","7","2","1") = "6"
    & skf21("7","2","5","4","5","7","3","1") = "6"
    & skf21("7","2","5","4","5","7","4","1") = "6"
    & skf21("7","2","5","4","5","7","5","1") = "6"
    & skf21("7","2","5","4","5","7","6","1") = "6"
    & skf21("7","2","5","4","5","7","7","1") = "6"
    & skf21("7","2","5","4","6","1","1","1") = "6"
    & skf21("7","2","5","4","6","1","2","1") = "6"
    & skf21("7","2","5","4","6","1","3","1") = "6"
    & skf21("7","2","5","4","6","1","4","1") = "6"
    & skf21("7","2","5","4","6","1","5","1") = "6"
    & skf21("7","2","5","4","6","1","6","1") = "6"
    & skf21("7","2","5","4","6","1","7","1") = "6"
    & skf21("7","2","5","4","6","2","1","1") = "6"
    & skf21("7","2","5","4","6","2","2","1") = "6"
    & skf21("7","2","5","4","6","2","3","1") = "6"
    & skf21("7","2","5","4","6","2","4","1") = "6"
    & skf21("7","2","5","4","6","2","5","1") = "6"
    & skf21("7","2","5","4","6","2","6","1") = "6"
    & skf21("7","2","5","4","6","2","7","1") = "6"
    & skf21("7","2","5","4","6","3","1","1") = "6"
    & skf21("7","2","5","4","6","3","2","1") = "6"
    & skf21("7","2","5","4","6","3","3","1") = "6"
    & skf21("7","2","5","4","6","3","4","1") = "6"
    & skf21("7","2","5","4","6","3","5","1") = "6"
    & skf21("7","2","5","4","6","3","6","1") = "6"
    & skf21("7","2","5","4","6","3","7","1") = "6"
    & skf21("7","2","5","4","6","4","1","1") = "6"
    & skf21("7","2","5","4","6","4","2","1") = "6"
    & skf21("7","2","5","4","6","4","3","1") = "6"
    & skf21("7","2","5","4","6","4","4","1") = "6"
    & skf21("7","2","5","4","6","4","5","1") = "6"
    & skf21("7","2","5","4","6","4","6","1") = "6"
    & skf21("7","2","5","4","6","4","7","1") = "6"
    & skf21("7","2","5","4","6","5","1","1") = "6"
    & skf21("7","2","5","4","6","5","2","1") = "6"
    & skf21("7","2","5","4","6","5","3","1") = "6"
    & skf21("7","2","5","4","6","5","4","1") = "6"
    & skf21("7","2","5","4","6","5","5","1") = "6"
    & skf21("7","2","5","4","6","5","6","1") = "6"
    & skf21("7","2","5","4","6","5","7","1") = "6"
    & skf21("7","2","5","4","6","6","1","1") = "6"
    & skf21("7","2","5","4","6","6","2","1") = "6"
    & skf21("7","2","5","4","6","6","3","1") = "6"
    & skf21("7","2","5","4","6","6","4","1") = "6"
    & skf21("7","2","5","4","6","6","5","1") = "6"
    & skf21("7","2","5","4","6","6","6","1") = "6"
    & skf21("7","2","5","4","6","6","7","1") = "6"
    & skf21("7","2","5","4","6","7","1","1") = "6"
    & skf21("7","2","5","4","6","7","2","1") = "6"
    & skf21("7","2","5","4","6","7","3","1") = "6"
    & skf21("7","2","5","4","6","7","4","1") = "6"
    & skf21("7","2","5","4","6","7","5","1") = "6"
    & skf21("7","2","5","4","6","7","6","1") = "6"
    & skf21("7","2","5","4","6","7","7","1") = "6"
    & skf21("7","2","5","4","7","1","1","1") = "6"
    & skf21("7","2","5","4","7","1","2","1") = "6"
    & skf21("7","2","5","4","7","1","3","1") = "6"
    & skf21("7","2","5","4","7","1","4","1") = "6"
    & skf21("7","2","5","4","7","1","5","1") = "6"
    & skf21("7","2","5","4","7","1","6","1") = "6"
    & skf21("7","2","5","4","7","1","7","1") = "6"
    & skf21("7","2","5","4","7","2","1","1") = "6"
    & skf21("7","2","5","4","7","2","2","1") = "6"
    & skf21("7","2","5","4","7","2","3","1") = "6"
    & skf21("7","2","5","4","7","2","4","1") = "6"
    & skf21("7","2","5","4","7","2","5","1") = "6"
    & skf21("7","2","5","4","7","2","6","1") = "6"
    & skf21("7","2","5","4","7","2","7","1") = "6"
    & skf21("7","2","5","4","7","3","1","1") = "6"
    & skf21("7","2","5","4","7","3","2","1") = "6"
    & skf21("7","2","5","4","7","3","3","1") = "6"
    & skf21("7","2","5","4","7","3","4","1") = "6"
    & skf21("7","2","5","4","7","3","5","1") = "6"
    & skf21("7","2","5","4","7","3","6","1") = "6"
    & skf21("7","2","5","4","7","3","7","1") = "6"
    & skf21("7","2","5","4","7","4","1","1") = "6"
    & skf21("7","2","5","4","7","4","2","1") = "6"
    & skf21("7","2","5","4","7","4","3","1") = "6"
    & skf21("7","2","5","4","7","4","4","1") = "6"
    & skf21("7","2","5","4","7","4","5","1") = "6"
    & skf21("7","2","5","4","7","4","6","1") = "6"
    & skf21("7","2","5","4","7","4","7","1") = "6"
    & skf21("7","2","5","4","7","5","1","1") = "6"
    & skf21("7","2","5","4","7","5","2","1") = "6"
    & skf21("7","2","5","4","7","5","3","1") = "6"
    & skf21("7","2","5","4","7","5","4","1") = "6"
    & skf21("7","2","5","4","7","5","5","1") = "6"
    & skf21("7","2","5","4","7","5","6","1") = "6"
    & skf21("7","2","5","4","7","5","7","1") = "6"
    & skf21("7","2","5","4","7","6","1","1") = "6"
    & skf21("7","2","5","4","7","6","2","1") = "6"
    & skf21("7","2","5","4","7","6","3","1") = "6"
    & skf21("7","2","5","4","7","6","4","1") = "6"
    & skf21("7","2","5","4","7","6","5","1") = "6"
    & skf21("7","2","5","4","7","6","6","1") = "6"
    & skf21("7","2","5","4","7","6","7","1") = "6"
    & skf21("7","2","5","4","7","7","1","1") = "6"
    & skf21("7","2","5","4","7","7","2","1") = "6"
    & skf21("7","2","5","4","7","7","3","1") = "6"
    & skf21("7","2","5","4","7","7","4","1") = "6"
    & skf21("7","2","5","4","7","7","5","1") = "6"
    & skf21("7","2","5","4","7","7","6","1") = "6"
    & skf21("7","2","5","4","7","7","7","1") = "6"
    & skf21("7","2","5","5","1","1","1","1") = "6"
    & skf21("7","2","5","5","1","1","2","1") = "6"
    & skf21("7","2","5","5","1","1","3","1") = "6"
    & skf21("7","2","5","5","1","1","4","1") = "6"
    & skf21("7","2","5","5","1","1","5","1") = "6"
    & skf21("7","2","5","5","1","1","6","1") = "6"
    & skf21("7","2","5","5","1","1","7","1") = "6"
    & skf21("7","2","5","5","1","2","1","1") = "6"
    & skf21("7","2","5","5","1","2","2","1") = "6"
    & skf21("7","2","5","5","1","2","3","1") = "6"
    & skf21("7","2","5","5","1","2","4","1") = "6"
    & skf21("7","2","5","5","1","2","5","1") = "6"
    & skf21("7","2","5","5","1","2","6","1") = "6"
    & skf21("7","2","5","5","1","2","7","1") = "6"
    & skf21("7","2","5","5","1","3","1","1") = "6"
    & skf21("7","2","5","5","1","3","2","1") = "6"
    & skf21("7","2","5","5","1","3","3","1") = "6"
    & skf21("7","2","5","5","1","3","4","1") = "6"
    & skf21("7","2","5","5","1","3","5","1") = "6"
    & skf21("7","2","5","5","1","3","6","1") = "6"
    & skf21("7","2","5","5","1","3","7","1") = "6"
    & skf21("7","2","5","5","1","4","1","1") = "6"
    & skf21("7","2","5","5","1","4","2","1") = "6"
    & skf21("7","2","5","5","1","4","3","1") = "6"
    & skf21("7","2","5","5","1","4","4","1") = "6"
    & skf21("7","2","5","5","1","4","5","1") = "6"
    & skf21("7","2","5","5","1","4","6","1") = "6"
    & skf21("7","2","5","5","1","4","7","1") = "6"
    & skf21("7","2","5","5","1","5","1","1") = "6"
    & skf21("7","2","5","5","1","5","2","1") = "6"
    & skf21("7","2","5","5","1","5","3","1") = "6"
    & skf21("7","2","5","5","1","5","4","1") = "6"
    & skf21("7","2","5","5","1","5","5","1") = "6"
    & skf21("7","2","5","5","1","5","6","1") = "6"
    & skf21("7","2","5","5","1","5","7","1") = "6"
    & skf21("7","2","5","5","1","6","1","1") = "6"
    & skf21("7","2","5","5","1","6","2","1") = "6"
    & skf21("7","2","5","5","1","6","3","1") = "6"
    & skf21("7","2","5","5","1","6","4","1") = "6"
    & skf21("7","2","5","5","1","6","5","1") = "6"
    & skf21("7","2","5","5","1","6","6","1") = "6"
    & skf21("7","2","5","5","1","6","7","1") = "6"
    & skf21("7","2","5","5","1","7","1","1") = "6"
    & skf21("7","2","5","5","1","7","2","1") = "6"
    & skf21("7","2","5","5","1","7","3","1") = "6"
    & skf21("7","2","5","5","1","7","4","1") = "6"
    & skf21("7","2","5","5","1","7","5","1") = "6"
    & skf21("7","2","5","5","1","7","6","1") = "6"
    & skf21("7","2","5","5","1","7","7","1") = "6"
    & skf21("7","2","5","5","2","1","1","1") = "6"
    & skf21("7","2","5","5","2","1","2","1") = "6"
    & skf21("7","2","5","5","2","1","3","1") = "6"
    & skf21("7","2","5","5","2","1","4","1") = "6"
    & skf21("7","2","5","5","2","1","5","1") = "6"
    & skf21("7","2","5","5","2","1","6","1") = "6"
    & skf21("7","2","5","5","2","1","7","1") = "6"
    & skf21("7","2","5","5","2","2","1","1") = "6"
    & skf21("7","2","5","5","2","2","2","1") = "6"
    & skf21("7","2","5","5","2","2","3","1") = "6"
    & skf21("7","2","5","5","2","2","4","1") = "6"
    & skf21("7","2","5","5","2","2","5","1") = "6"
    & skf21("7","2","5","5","2","2","6","1") = "6"
    & skf21("7","2","5","5","2","2","7","1") = "6"
    & skf21("7","2","5","5","2","3","1","1") = "6"
    & skf21("7","2","5","5","2","3","2","1") = "6"
    & skf21("7","2","5","5","2","3","3","1") = "6"
    & skf21("7","2","5","5","2","3","4","1") = "6"
    & skf21("7","2","5","5","2","3","5","1") = "6"
    & skf21("7","2","5","5","2","3","6","1") = "6"
    & skf21("7","2","5","5","2","3","7","1") = "6"
    & skf21("7","2","5","5","2","4","1","1") = "6"
    & skf21("7","2","5","5","2","4","2","1") = "6"
    & skf21("7","2","5","5","2","4","3","1") = "6"
    & skf21("7","2","5","5","2","4","4","1") = "6"
    & skf21("7","2","5","5","2","4","5","1") = "6"
    & skf21("7","2","5","5","2","4","6","1") = "6"
    & skf21("7","2","5","5","2","4","7","1") = "6"
    & skf21("7","2","5","5","2","5","1","1") = "6"
    & skf21("7","2","5","5","2","5","2","1") = "6"
    & skf21("7","2","5","5","2","5","3","1") = "6"
    & skf21("7","2","5","5","2","5","4","1") = "6"
    & skf21("7","2","5","5","2","5","5","1") = "6"
    & skf21("7","2","5","5","2","5","6","1") = "6"
    & skf21("7","2","5","5","2","5","7","1") = "6"
    & skf21("7","2","5","5","2","6","1","1") = "6"
    & skf21("7","2","5","5","2","6","2","1") = "6"
    & skf21("7","2","5","5","2","6","3","1") = "6"
    & skf21("7","2","5","5","2","6","4","1") = "6"
    & skf21("7","2","5","5","2","6","5","1") = "6"
    & skf21("7","2","5","5","2","6","6","1") = "6"
    & skf21("7","2","5","5","2","6","7","1") = "6"
    & skf21("7","2","5","5","2","7","1","1") = "6"
    & skf21("7","2","5","5","2","7","2","1") = "6"
    & skf21("7","2","5","5","2","7","3","1") = "6"
    & skf21("7","2","5","5","2","7","4","1") = "6"
    & skf21("7","2","5","5","2","7","5","1") = "6"
    & skf21("7","2","5","5","2","7","6","1") = "6"
    & skf21("7","2","5","5","2","7","7","1") = "6"
    & skf21("7","2","5","5","3","1","1","1") = "6"
    & skf21("7","2","5","5","3","1","2","1") = "6"
    & skf21("7","2","5","5","3","1","3","1") = "6"
    & skf21("7","2","5","5","3","1","4","1") = "6"
    & skf21("7","2","5","5","3","1","5","1") = "6"
    & skf21("7","2","5","5","3","1","6","1") = "6"
    & skf21("7","2","5","5","3","1","7","1") = "6"
    & skf21("7","2","5","5","3","2","1","1") = "6"
    & skf21("7","2","5","5","3","2","2","1") = "6"
    & skf21("7","2","5","5","3","2","3","1") = "6"
    & skf21("7","2","5","5","3","2","4","1") = "6"
    & skf21("7","2","5","5","3","2","5","1") = "6"
    & skf21("7","2","5","5","3","2","6","1") = "6"
    & skf21("7","2","5","5","3","2","7","1") = "6"
    & skf21("7","2","5","5","3","3","1","1") = "6"
    & skf21("7","2","5","5","3","3","2","1") = "6"
    & skf21("7","2","5","5","3","3","3","1") = "6"
    & skf21("7","2","5","5","3","3","4","1") = "6"
    & skf21("7","2","5","5","3","3","5","1") = "6"
    & skf21("7","2","5","5","3","3","6","1") = "6"
    & skf21("7","2","5","5","3","3","7","1") = "6"
    & skf21("7","2","5","5","3","4","1","1") = "6"
    & skf21("7","2","5","5","3","4","2","1") = "6"
    & skf21("7","2","5","5","3","4","3","1") = "6"
    & skf21("7","2","5","5","3","4","4","1") = "6"
    & skf21("7","2","5","5","3","4","5","1") = "6"
    & skf21("7","2","5","5","3","4","6","1") = "6"
    & skf21("7","2","5","5","3","4","7","1") = "6"
    & skf21("7","2","5","5","3","5","1","1") = "6"
    & skf21("7","2","5","5","3","5","2","1") = "6"
    & skf21("7","2","5","5","3","5","3","1") = "6"
    & skf21("7","2","5","5","3","5","4","1") = "6"
    & skf21("7","2","5","5","3","5","5","1") = "6"
    & skf21("7","2","5","5","3","5","6","1") = "6"
    & skf21("7","2","5","5","3","5","7","1") = "6"
    & skf21("7","2","5","5","3","6","1","1") = "6"
    & skf21("7","2","5","5","3","6","2","1") = "6"
    & skf21("7","2","5","5","3","6","3","1") = "6"
    & skf21("7","2","5","5","3","6","4","1") = "6"
    & skf21("7","2","5","5","3","6","5","1") = "6"
    & skf21("7","2","5","5","3","6","6","1") = "6"
    & skf21("7","2","5","5","3","6","7","1") = "6"
    & skf21("7","2","5","5","3","7","1","1") = "6"
    & skf21("7","2","5","5","3","7","2","1") = "6"
    & skf21("7","2","5","5","3","7","3","1") = "6"
    & skf21("7","2","5","5","3","7","4","1") = "6"
    & skf21("7","2","5","5","3","7","5","1") = "6"
    & skf21("7","2","5","5","3","7","6","1") = "6"
    & skf21("7","2","5","5","3","7","7","1") = "6"
    & skf21("7","2","5","5","4","1","1","1") = "6"
    & skf21("7","2","5","5","4","1","2","1") = "6"
    & skf21("7","2","5","5","4","1","3","1") = "6"
    & skf21("7","2","5","5","4","1","4","1") = "6"
    & skf21("7","2","5","5","4","1","5","1") = "6"
    & skf21("7","2","5","5","4","1","6","1") = "6"
    & skf21("7","2","5","5","4","1","7","1") = "6"
    & skf21("7","2","5","5","4","2","1","1") = "6"
    & skf21("7","2","5","5","4","2","2","1") = "6"
    & skf21("7","2","5","5","4","2","3","1") = "6"
    & skf21("7","2","5","5","4","2","4","1") = "6"
    & skf21("7","2","5","5","4","2","5","1") = "6"
    & skf21("7","2","5","5","4","2","6","1") = "6"
    & skf21("7","2","5","5","4","2","7","1") = "6"
    & skf21("7","2","5","5","4","3","1","1") = "6"
    & skf21("7","2","5","5","4","3","2","1") = "6"
    & skf21("7","2","5","5","4","3","3","1") = "6"
    & skf21("7","2","5","5","4","3","4","1") = "6"
    & skf21("7","2","5","5","4","3","5","1") = "6"
    & skf21("7","2","5","5","4","3","6","1") = "6"
    & skf21("7","2","5","5","4","3","7","1") = "6"
    & skf21("7","2","5","5","4","4","1","1") = "6"
    & skf21("7","2","5","5","4","4","2","1") = "6"
    & skf21("7","2","5","5","4","4","3","1") = "6"
    & skf21("7","2","5","5","4","4","4","1") = "6"
    & skf21("7","2","5","5","4","4","5","1") = "6"
    & skf21("7","2","5","5","4","4","6","1") = "6"
    & skf21("7","2","5","5","4","4","7","1") = "6"
    & skf21("7","2","5","5","4","5","1","1") = "6"
    & skf21("7","2","5","5","4","5","2","1") = "6"
    & skf21("7","2","5","5","4","5","3","1") = "6"
    & skf21("7","2","5","5","4","5","4","1") = "6"
    & skf21("7","2","5","5","4","5","5","1") = "6"
    & skf21("7","2","5","5","4","5","6","1") = "6"
    & skf21("7","2","5","5","4","5","7","1") = "6"
    & skf21("7","2","5","5","4","6","1","1") = "6"
    & skf21("7","2","5","5","4","6","2","1") = "6"
    & skf21("7","2","5","5","4","6","3","1") = "6"
    & skf21("7","2","5","5","4","6","4","1") = "6"
    & skf21("7","2","5","5","4","6","5","1") = "6"
    & skf21("7","2","5","5","4","6","6","1") = "6"
    & skf21("7","2","5","5","4","6","7","1") = "6"
    & skf21("7","2","5","5","4","7","1","1") = "6"
    & skf21("7","2","5","5","4","7","2","1") = "6"
    & skf21("7","2","5","5","4","7","3","1") = "6"
    & skf21("7","2","5","5","4","7","4","1") = "6"
    & skf21("7","2","5","5","4","7","5","1") = "6"
    & skf21("7","2","5","5","4","7","6","1") = "6"
    & skf21("7","2","5","5","4","7","7","1") = "6"
    & skf21("7","2","5","5","5","1","1","1") = "6"
    & skf21("7","2","5","5","5","1","2","1") = "6"
    & skf21("7","2","5","5","5","1","3","1") = "6"
    & skf21("7","2","5","5","5","1","4","1") = "6"
    & skf21("7","2","5","5","5","1","5","1") = "6"
    & skf21("7","2","5","5","5","1","6","1") = "6"
    & skf21("7","2","5","5","5","1","7","1") = "6"
    & skf21("7","2","5","5","5","2","1","1") = "6"
    & skf21("7","2","5","5","5","2","2","1") = "6"
    & skf21("7","2","5","5","5","2","3","1") = "6"
    & skf21("7","2","5","5","5","2","4","1") = "6"
    & skf21("7","2","5","5","5","2","5","1") = "6"
    & skf21("7","2","5","5","5","2","6","1") = "6"
    & skf21("7","2","5","5","5","2","7","1") = "6"
    & skf21("7","2","5","5","5","3","1","1") = "6"
    & skf21("7","2","5","5","5","3","2","1") = "6"
    & skf21("7","2","5","5","5","3","3","1") = "6"
    & skf21("7","2","5","5","5","3","4","1") = "6"
    & skf21("7","2","5","5","5","3","5","1") = "6"
    & skf21("7","2","5","5","5","3","6","1") = "6"
    & skf21("7","2","5","5","5","3","7","1") = "6"
    & skf21("7","2","5","5","5","4","1","1") = "6"
    & skf21("7","2","5","5","5","4","2","1") = "6"
    & skf21("7","2","5","5","5","4","3","1") = "6"
    & skf21("7","2","5","5","5","4","4","1") = "6"
    & skf21("7","2","5","5","5","4","5","1") = "6"
    & skf21("7","2","5","5","5","4","6","1") = "6"
    & skf21("7","2","5","5","5","4","7","1") = "6"
    & skf21("7","2","5","5","5","5","1","1") = "6"
    & skf21("7","2","5","5","5","5","2","1") = "6"
    & skf21("7","2","5","5","5","5","3","1") = "6"
    & skf21("7","2","5","5","5","5","4","1") = "6"
    & skf21("7","2","5","5","5","5","5","1") = "6"
    & skf21("7","2","5","5","5","5","6","1") = "6"
    & skf21("7","2","5","5","5","5","7","1") = "6"
    & skf21("7","2","5","5","5","6","1","1") = "6"
    & skf21("7","2","5","5","5","6","2","1") = "6"
    & skf21("7","2","5","5","5","6","3","1") = "6"
    & skf21("7","2","5","5","5","6","4","1") = "6"
    & skf21("7","2","5","5","5","6","5","1") = "6"
    & skf21("7","2","5","5","5","6","6","1") = "6"
    & skf21("7","2","5","5","5","6","7","1") = "6"
    & skf21("7","2","5","5","5","7","1","1") = "6"
    & skf21("7","2","5","5","5","7","2","1") = "6"
    & skf21("7","2","5","5","5","7","3","1") = "6"
    & skf21("7","2","5","5","5","7","4","1") = "6"
    & skf21("7","2","5","5","5","7","5","1") = "6"
    & skf21("7","2","5","5","5","7","6","1") = "6"
    & skf21("7","2","5","5","5","7","7","1") = "6"
    & skf21("7","2","5","5","6","1","1","1") = "6"
    & skf21("7","2","5","5","6","1","2","1") = "6"
    & skf21("7","2","5","5","6","1","3","1") = "6"
    & skf21("7","2","5","5","6","1","4","1") = "6"
    & skf21("7","2","5","5","6","1","5","1") = "6"
    & skf21("7","2","5","5","6","1","6","1") = "6"
    & skf21("7","2","5","5","6","1","7","1") = "6"
    & skf21("7","2","5","5","6","2","1","1") = "6"
    & skf21("7","2","5","5","6","2","2","1") = "6"
    & skf21("7","2","5","5","6","2","3","1") = "6"
    & skf21("7","2","5","5","6","2","4","1") = "6"
    & skf21("7","2","5","5","6","2","5","1") = "6"
    & skf21("7","2","5","5","6","2","6","1") = "6"
    & skf21("7","2","5","5","6","2","7","1") = "6"
    & skf21("7","2","5","5","6","3","1","1") = "6"
    & skf21("7","2","5","5","6","3","2","1") = "6"
    & skf21("7","2","5","5","6","3","3","1") = "6"
    & skf21("7","2","5","5","6","3","4","1") = "6"
    & skf21("7","2","5","5","6","3","5","1") = "6"
    & skf21("7","2","5","5","6","3","6","1") = "6"
    & skf21("7","2","5","5","6","3","7","1") = "6"
    & skf21("7","2","5","5","6","4","1","1") = "6"
    & skf21("7","2","5","5","6","4","2","1") = "6"
    & skf21("7","2","5","5","6","4","3","1") = "6"
    & skf21("7","2","5","5","6","4","4","1") = "6"
    & skf21("7","2","5","5","6","4","5","1") = "6"
    & skf21("7","2","5","5","6","4","6","1") = "6"
    & skf21("7","2","5","5","6","4","7","1") = "6"
    & skf21("7","2","5","5","6","5","1","1") = "6"
    & skf21("7","2","5","5","6","5","2","1") = "6"
    & skf21("7","2","5","5","6","5","3","1") = "6"
    & skf21("7","2","5","5","6","5","4","1") = "6"
    & skf21("7","2","5","5","6","5","5","1") = "6"
    & skf21("7","2","5","5","6","5","6","1") = "6"
    & skf21("7","2","5","5","6","5","7","1") = "6"
    & skf21("7","2","5","5","6","6","1","1") = "6"
    & skf21("7","2","5","5","6","6","2","1") = "6"
    & skf21("7","2","5","5","6","6","3","1") = "6"
    & skf21("7","2","5","5","6","6","4","1") = "6"
    & skf21("7","2","5","5","6","6","5","1") = "6"
    & skf21("7","2","5","5","6","6","6","1") = "6"
    & skf21("7","2","5","5","6","6","7","1") = "6"
    & skf21("7","2","5","5","6","7","1","1") = "6"
    & skf21("7","2","5","5","6","7","2","1") = "6"
    & skf21("7","2","5","5","6","7","3","1") = "6"
    & skf21("7","2","5","5","6","7","4","1") = "6"
    & skf21("7","2","5","5","6","7","5","1") = "6"
    & skf21("7","2","5","5","6","7","6","1") = "6"
    & skf21("7","2","5","5","6","7","7","1") = "6"
    & skf21("7","2","5","5","7","1","1","1") = "6"
    & skf21("7","2","5","5","7","1","2","1") = "6"
    & skf21("7","2","5","5","7","1","3","1") = "6"
    & skf21("7","2","5","5","7","1","4","1") = "6"
    & skf21("7","2","5","5","7","1","5","1") = "6"
    & skf21("7","2","5","5","7","1","6","1") = "6"
    & skf21("7","2","5","5","7","1","7","1") = "6"
    & skf21("7","2","5","5","7","2","1","1") = "6"
    & skf21("7","2","5","5","7","2","2","1") = "6"
    & skf21("7","2","5","5","7","2","3","1") = "6"
    & skf21("7","2","5","5","7","2","4","1") = "6"
    & skf21("7","2","5","5","7","2","5","1") = "6"
    & skf21("7","2","5","5","7","2","6","1") = "6"
    & skf21("7","2","5","5","7","2","7","1") = "6"
    & skf21("7","2","5","5","7","3","1","1") = "6"
    & skf21("7","2","5","5","7","3","2","1") = "6"
    & skf21("7","2","5","5","7","3","3","1") = "6"
    & skf21("7","2","5","5","7","3","4","1") = "6"
    & skf21("7","2","5","5","7","3","5","1") = "6"
    & skf21("7","2","5","5","7","3","6","1") = "6"
    & skf21("7","2","5","5","7","3","7","1") = "6"
    & skf21("7","2","5","5","7","4","1","1") = "6"
    & skf21("7","2","5","5","7","4","2","1") = "6"
    & skf21("7","2","5","5","7","4","3","1") = "6"
    & skf21("7","2","5","5","7","4","4","1") = "6"
    & skf21("7","2","5","5","7","4","5","1") = "6"
    & skf21("7","2","5","5","7","4","6","1") = "6"
    & skf21("7","2","5","5","7","4","7","1") = "6"
    & skf21("7","2","5","5","7","5","1","1") = "6"
    & skf21("7","2","5","5","7","5","2","1") = "6"
    & skf21("7","2","5","5","7","5","3","1") = "6"
    & skf21("7","2","5","5","7","5","4","1") = "6"
    & skf21("7","2","5","5","7","5","5","1") = "6"
    & skf21("7","2","5","5","7","5","6","1") = "6"
    & skf21("7","2","5","5","7","5","7","1") = "6"
    & skf21("7","2","5","5","7","6","1","1") = "6"
    & skf21("7","2","5","5","7","6","2","1") = "6"
    & skf21("7","2","5","5","7","6","3","1") = "6"
    & skf21("7","2","5","5","7","6","4","1") = "6"
    & skf21("7","2","5","5","7","6","5","1") = "6"
    & skf21("7","2","5","5","7","6","6","1") = "6"
    & skf21("7","2","5","5","7","6","7","1") = "6"
    & skf21("7","2","5","5","7","7","1","1") = "6"
    & skf21("7","2","5","5","7","7","2","1") = "6"
    & skf21("7","2","5","5","7","7","3","1") = "6"
    & skf21("7","2","5","5","7","7","4","1") = "6"
    & skf21("7","2","5","5","7","7","5","1") = "6"
    & skf21("7","2","5","5","7","7","6","1") = "6"
    & skf21("7","2","5","5","7","7","7","1") = "6"
    & skf21("7","2","5","6","1","1","1","1") = "6"
    & skf21("7","2","5","6","1","1","2","1") = "6"
    & skf21("7","2","5","6","1","1","3","1") = "6"
    & skf21("7","2","5","6","1","1","4","1") = "6"
    & skf21("7","2","5","6","1","1","5","1") = "6"
    & skf21("7","2","5","6","1","1","6","1") = "6"
    & skf21("7","2","5","6","1","1","7","1") = "6"
    & skf21("7","2","5","6","1","2","1","1") = "6"
    & skf21("7","2","5","6","1","2","2","1") = "6"
    & skf21("7","2","5","6","1","2","3","1") = "6"
    & skf21("7","2","5","6","1","2","4","1") = "6"
    & skf21("7","2","5","6","1","2","5","1") = "6"
    & skf21("7","2","5","6","1","2","6","1") = "6"
    & skf21("7","2","5","6","1","2","7","1") = "6"
    & skf21("7","2","5","6","1","3","1","1") = "6"
    & skf21("7","2","5","6","1","3","2","1") = "6"
    & skf21("7","2","5","6","1","3","3","1") = "6"
    & skf21("7","2","5","6","1","3","4","1") = "6"
    & skf21("7","2","5","6","1","3","5","1") = "6"
    & skf21("7","2","5","6","1","3","6","1") = "6"
    & skf21("7","2","5","6","1","3","7","1") = "6"
    & skf21("7","2","5","6","1","4","1","1") = "6"
    & skf21("7","2","5","6","1","4","2","1") = "6"
    & skf21("7","2","5","6","1","4","3","1") = "6"
    & skf21("7","2","5","6","1","4","4","1") = "6"
    & skf21("7","2","5","6","1","4","5","1") = "6"
    & skf21("7","2","5","6","1","4","6","1") = "6"
    & skf21("7","2","5","6","1","4","7","1") = "6"
    & skf21("7","2","5","6","1","5","1","1") = "6"
    & skf21("7","2","5","6","1","5","2","1") = "6"
    & skf21("7","2","5","6","1","5","3","1") = "6"
    & skf21("7","2","5","6","1","5","4","1") = "6"
    & skf21("7","2","5","6","1","5","5","1") = "6"
    & skf21("7","2","5","6","1","5","6","1") = "6"
    & skf21("7","2","5","6","1","5","7","1") = "6"
    & skf21("7","2","5","6","1","6","1","1") = "6"
    & skf21("7","2","5","6","1","6","2","1") = "6"
    & skf21("7","2","5","6","1","6","3","1") = "6"
    & skf21("7","2","5","6","1","6","4","1") = "6"
    & skf21("7","2","5","6","1","6","5","1") = "6"
    & skf21("7","2","5","6","1","6","6","1") = "6"
    & skf21("7","2","5","6","1","6","7","1") = "6"
    & skf21("7","2","5","6","1","7","1","1") = "6"
    & skf21("7","2","5","6","1","7","2","1") = "6"
    & skf21("7","2","5","6","1","7","3","1") = "6"
    & skf21("7","2","5","6","1","7","4","1") = "6"
    & skf21("7","2","5","6","1","7","5","1") = "6"
    & skf21("7","2","5","6","1","7","6","1") = "6"
    & skf21("7","2","5","6","1","7","7","1") = "6"
    & skf21("7","2","5","6","2","1","1","1") = "6"
    & skf21("7","2","5","6","2","1","2","1") = "6"
    & skf21("7","2","5","6","2","1","3","1") = "6"
    & skf21("7","2","5","6","2","1","4","1") = "6"
    & skf21("7","2","5","6","2","1","5","1") = "6"
    & skf21("7","2","5","6","2","1","6","1") = "6"
    & skf21("7","2","5","6","2","1","7","1") = "6"
    & skf21("7","2","5","6","2","2","1","1") = "6"
    & skf21("7","2","5","6","2","2","2","1") = "6"
    & skf21("7","2","5","6","2","2","3","1") = "6"
    & skf21("7","2","5","6","2","2","4","1") = "6"
    & skf21("7","2","5","6","2","2","5","1") = "6"
    & skf21("7","2","5","6","2","2","6","1") = "6"
    & skf21("7","2","5","6","2","2","7","1") = "6"
    & skf21("7","2","5","6","2","3","1","1") = "6"
    & skf21("7","2","5","6","2","3","2","1") = "6"
    & skf21("7","2","5","6","2","3","3","1") = "6"
    & skf21("7","2","5","6","2","3","4","1") = "6"
    & skf21("7","2","5","6","2","3","5","1") = "6"
    & skf21("7","2","5","6","2","3","6","1") = "6"
    & skf21("7","2","5","6","2","3","7","1") = "6"
    & skf21("7","2","5","6","2","4","1","1") = "6"
    & skf21("7","2","5","6","2","4","2","1") = "6"
    & skf21("7","2","5","6","2","4","3","1") = "6"
    & skf21("7","2","5","6","2","4","4","1") = "6"
    & skf21("7","2","5","6","2","4","5","1") = "6"
    & skf21("7","2","5","6","2","4","6","1") = "6"
    & skf21("7","2","5","6","2","4","7","1") = "6"
    & skf21("7","2","5","6","2","5","1","1") = "6"
    & skf21("7","2","5","6","2","5","2","1") = "6"
    & skf21("7","2","5","6","2","5","3","1") = "6"
    & skf21("7","2","5","6","2","5","4","1") = "6"
    & skf21("7","2","5","6","2","5","5","1") = "6"
    & skf21("7","2","5","6","2","5","6","1") = "6"
    & skf21("7","2","5","6","2","5","7","1") = "6"
    & skf21("7","2","5","6","2","6","1","1") = "6"
    & skf21("7","2","5","6","2","6","2","1") = "6"
    & skf21("7","2","5","6","2","6","3","1") = "6"
    & skf21("7","2","5","6","2","6","4","1") = "6"
    & skf21("7","2","5","6","2","6","5","1") = "6"
    & skf21("7","2","5","6","2","6","6","1") = "6"
    & skf21("7","2","5","6","2","6","7","1") = "6"
    & skf21("7","2","5","6","2","7","1","1") = "6"
    & skf21("7","2","5","6","2","7","2","1") = "6"
    & skf21("7","2","5","6","2","7","3","1") = "6"
    & skf21("7","2","5","6","2","7","4","1") = "6"
    & skf21("7","2","5","6","2","7","5","1") = "6"
    & skf21("7","2","5","6","2","7","6","1") = "6"
    & skf21("7","2","5","6","2","7","7","1") = "6"
    & skf21("7","2","5","6","3","1","1","1") = "6"
    & skf21("7","2","5","6","3","1","2","1") = "6"
    & skf21("7","2","5","6","3","1","3","1") = "6"
    & skf21("7","2","5","6","3","1","4","1") = "6"
    & skf21("7","2","5","6","3","1","5","1") = "6"
    & skf21("7","2","5","6","3","1","6","1") = "6"
    & skf21("7","2","5","6","3","1","7","1") = "6"
    & skf21("7","2","5","6","3","2","1","1") = "6"
    & skf21("7","2","5","6","3","2","2","1") = "6"
    & skf21("7","2","5","6","3","2","3","1") = "6"
    & skf21("7","2","5","6","3","2","4","1") = "6"
    & skf21("7","2","5","6","3","2","5","1") = "6"
    & skf21("7","2","5","6","3","2","6","1") = "6"
    & skf21("7","2","5","6","3","2","7","1") = "6"
    & skf21("7","2","5","6","3","3","1","1") = "6"
    & skf21("7","2","5","6","3","3","2","1") = "6"
    & skf21("7","2","5","6","3","3","3","1") = "6"
    & skf21("7","2","5","6","3","3","4","1") = "6"
    & skf21("7","2","5","6","3","3","5","1") = "6"
    & skf21("7","2","5","6","3","3","6","1") = "6"
    & skf21("7","2","5","6","3","3","7","1") = "6"
    & skf21("7","2","5","6","3","4","1","1") = "6"
    & skf21("7","2","5","6","3","4","2","1") = "6"
    & skf21("7","2","5","6","3","4","3","1") = "6"
    & skf21("7","2","5","6","3","4","4","1") = "6"
    & skf21("7","2","5","6","3","4","5","1") = "6"
    & skf21("7","2","5","6","3","4","6","1") = "6"
    & skf21("7","2","5","6","3","4","7","1") = "6"
    & skf21("7","2","5","6","3","5","1","1") = "6"
    & skf21("7","2","5","6","3","5","2","1") = "6"
    & skf21("7","2","5","6","3","5","3","1") = "6"
    & skf21("7","2","5","6","3","5","4","1") = "6"
    & skf21("7","2","5","6","3","5","5","1") = "6"
    & skf21("7","2","5","6","3","5","6","1") = "6"
    & skf21("7","2","5","6","3","5","7","1") = "6"
    & skf21("7","2","5","6","3","6","1","1") = "6"
    & skf21("7","2","5","6","3","6","2","1") = "6"
    & skf21("7","2","5","6","3","6","3","1") = "6"
    & skf21("7","2","5","6","3","6","4","1") = "6"
    & skf21("7","2","5","6","3","6","5","1") = "6"
    & skf21("7","2","5","6","3","6","6","1") = "6"
    & skf21("7","2","5","6","3","6","7","1") = "6"
    & skf21("7","2","5","6","3","7","1","1") = "6"
    & skf21("7","2","5","6","3","7","2","1") = "6"
    & skf21("7","2","5","6","3","7","3","1") = "6"
    & skf21("7","2","5","6","3","7","4","1") = "6"
    & skf21("7","2","5","6","3","7","5","1") = "6"
    & skf21("7","2","5","6","3","7","6","1") = "6"
    & skf21("7","2","5","6","3","7","7","1") = "6"
    & skf21("7","2","5","6","4","1","1","1") = "6"
    & skf21("7","2","5","6","4","1","2","1") = "6"
    & skf21("7","2","5","6","4","1","3","1") = "6"
    & skf21("7","2","5","6","4","1","4","1") = "6"
    & skf21("7","2","5","6","4","1","5","1") = "6"
    & skf21("7","2","5","6","4","1","6","1") = "6"
    & skf21("7","2","5","6","4","1","7","1") = "6"
    & skf21("7","2","5","6","4","2","1","1") = "6"
    & skf21("7","2","5","6","4","2","2","1") = "6"
    & skf21("7","2","5","6","4","2","3","1") = "6"
    & skf21("7","2","5","6","4","2","4","1") = "6"
    & skf21("7","2","5","6","4","2","5","1") = "6"
    & skf21("7","2","5","6","4","2","6","1") = "6"
    & skf21("7","2","5","6","4","2","7","1") = "6"
    & skf21("7","2","5","6","4","3","1","1") = "6"
    & skf21("7","2","5","6","4","3","2","1") = "6"
    & skf21("7","2","5","6","4","3","3","1") = "6"
    & skf21("7","2","5","6","4","3","4","1") = "6"
    & skf21("7","2","5","6","4","3","5","1") = "6"
    & skf21("7","2","5","6","4","3","6","1") = "6"
    & skf21("7","2","5","6","4","3","7","1") = "6"
    & skf21("7","2","5","6","4","4","1","1") = "6"
    & skf21("7","2","5","6","4","4","2","1") = "6"
    & skf21("7","2","5","6","4","4","3","1") = "6"
    & skf21("7","2","5","6","4","4","4","1") = "6"
    & skf21("7","2","5","6","4","4","5","1") = "6"
    & skf21("7","2","5","6","4","4","6","1") = "6"
    & skf21("7","2","5","6","4","4","7","1") = "6"
    & skf21("7","2","5","6","4","5","1","1") = "6"
    & skf21("7","2","5","6","4","5","2","1") = "6"
    & skf21("7","2","5","6","4","5","3","1") = "6"
    & skf21("7","2","5","6","4","5","4","1") = "6"
    & skf21("7","2","5","6","4","5","5","1") = "6"
    & skf21("7","2","5","6","4","5","6","1") = "6"
    & skf21("7","2","5","6","4","5","7","1") = "6"
    & skf21("7","2","5","6","4","6","1","1") = "6"
    & skf21("7","2","5","6","4","6","2","1") = "6"
    & skf21("7","2","5","6","4","6","3","1") = "6"
    & skf21("7","2","5","6","4","6","4","1") = "6"
    & skf21("7","2","5","6","4","6","5","1") = "6"
    & skf21("7","2","5","6","4","6","6","1") = "6"
    & skf21("7","2","5","6","4","6","7","1") = "6"
    & skf21("7","2","5","6","4","7","1","1") = "6"
    & skf21("7","2","5","6","4","7","2","1") = "6"
    & skf21("7","2","5","6","4","7","3","1") = "6"
    & skf21("7","2","5","6","4","7","4","1") = "6"
    & skf21("7","2","5","6","4","7","5","1") = "6"
    & skf21("7","2","5","6","4","7","6","1") = "6"
    & skf21("7","2","5","6","4","7","7","1") = "6"
    & skf21("7","2","5","6","5","1","1","1") = "6"
    & skf21("7","2","5","6","5","1","2","1") = "6"
    & skf21("7","2","5","6","5","1","3","1") = "6"
    & skf21("7","2","5","6","5","1","4","1") = "6"
    & skf21("7","2","5","6","5","1","5","1") = "6"
    & skf21("7","2","5","6","5","1","6","1") = "6"
    & skf21("7","2","5","6","5","1","7","1") = "6"
    & skf21("7","2","5","6","5","2","1","1") = "6"
    & skf21("7","2","5","6","5","2","2","1") = "6"
    & skf21("7","2","5","6","5","2","3","1") = "6"
    & skf21("7","2","5","6","5","2","4","1") = "6"
    & skf21("7","2","5","6","5","2","5","1") = "6"
    & skf21("7","2","5","6","5","2","6","1") = "6"
    & skf21("7","2","5","6","5","2","7","1") = "6"
    & skf21("7","2","5","6","5","3","1","1") = "6"
    & skf21("7","2","5","6","5","3","2","1") = "6"
    & skf21("7","2","5","6","5","3","3","1") = "6"
    & skf21("7","2","5","6","5","3","4","1") = "6"
    & skf21("7","2","5","6","5","3","5","1") = "6"
    & skf21("7","2","5","6","5","3","6","1") = "6"
    & skf21("7","2","5","6","5","3","7","1") = "6"
    & skf21("7","2","5","6","5","4","1","1") = "6"
    & skf21("7","2","5","6","5","4","2","1") = "6"
    & skf21("7","2","5","6","5","4","3","1") = "6"
    & skf21("7","2","5","6","5","4","4","1") = "6"
    & skf21("7","2","5","6","5","4","5","1") = "6"
    & skf21("7","2","5","6","5","4","6","1") = "6"
    & skf21("7","2","5","6","5","4","7","1") = "6"
    & skf21("7","2","5","6","5","5","1","1") = "6"
    & skf21("7","2","5","6","5","5","2","1") = "6"
    & skf21("7","2","5","6","5","5","3","1") = "6"
    & skf21("7","2","5","6","5","5","4","1") = "6"
    & skf21("7","2","5","6","5","5","5","1") = "6"
    & skf21("7","2","5","6","5","5","6","1") = "6"
    & skf21("7","2","5","6","5","5","7","1") = "6"
    & skf21("7","2","5","6","5","6","1","1") = "6"
    & skf21("7","2","5","6","5","6","2","1") = "6"
    & skf21("7","2","5","6","5","6","3","1") = "6"
    & skf21("7","2","5","6","5","6","4","1") = "6"
    & skf21("7","2","5","6","5","6","5","1") = "6"
    & skf21("7","2","5","6","5","6","6","1") = "6"
    & skf21("7","2","5","6","5","6","7","1") = "6"
    & skf21("7","2","5","6","5","7","1","1") = "6"
    & skf21("7","2","5","6","5","7","2","1") = "6"
    & skf21("7","2","5","6","5","7","3","1") = "6"
    & skf21("7","2","5","6","5","7","4","1") = "6"
    & skf21("7","2","5","6","5","7","5","1") = "6"
    & skf21("7","2","5","6","5","7","6","1") = "6"
    & skf21("7","2","5","6","5","7","7","1") = "6"
    & skf21("7","2","5","6","6","1","1","1") = "6"
    & skf21("7","2","5","6","6","1","2","1") = "6"
    & skf21("7","2","5","6","6","1","3","1") = "6"
    & skf21("7","2","5","6","6","1","4","1") = "6"
    & skf21("7","2","5","6","6","1","5","1") = "6"
    & skf21("7","2","5","6","6","1","6","1") = "6"
    & skf21("7","2","5","6","6","1","7","1") = "6"
    & skf21("7","2","5","6","6","2","1","1") = "6"
    & skf21("7","2","5","6","6","2","2","1") = "6"
    & skf21("7","2","5","6","6","2","3","1") = "6"
    & skf21("7","2","5","6","6","2","4","1") = "6"
    & skf21("7","2","5","6","6","2","5","1") = "6"
    & skf21("7","2","5","6","6","2","6","1") = "6"
    & skf21("7","2","5","6","6","2","7","1") = "6"
    & skf21("7","2","5","6","6","3","1","1") = "6"
    & skf21("7","2","5","6","6","3","2","1") = "6"
    & skf21("7","2","5","6","6","3","3","1") = "6"
    & skf21("7","2","5","6","6","3","4","1") = "6"
    & skf21("7","2","5","6","6","3","5","1") = "6"
    & skf21("7","2","5","6","6","3","6","1") = "6"
    & skf21("7","2","5","6","6","3","7","1") = "6"
    & skf21("7","2","5","6","6","4","1","1") = "6"
    & skf21("7","2","5","6","6","4","2","1") = "6"
    & skf21("7","2","5","6","6","4","3","1") = "6"
    & skf21("7","2","5","6","6","4","4","1") = "6"
    & skf21("7","2","5","6","6","4","5","1") = "6"
    & skf21("7","2","5","6","6","4","6","1") = "6"
    & skf21("7","2","5","6","6","4","7","1") = "6"
    & skf21("7","2","5","6","6","5","1","1") = "6"
    & skf21("7","2","5","6","6","5","2","1") = "6"
    & skf21("7","2","5","6","6","5","3","1") = "6"
    & skf21("7","2","5","6","6","5","4","1") = "6"
    & skf21("7","2","5","6","6","5","5","1") = "6"
    & skf21("7","2","5","6","6","5","6","1") = "6"
    & skf21("7","2","5","6","6","5","7","1") = "6"
    & skf21("7","2","5","6","6","6","1","1") = "6"
    & skf21("7","2","5","6","6","6","2","1") = "6"
    & skf21("7","2","5","6","6","6","3","1") = "6"
    & skf21("7","2","5","6","6","6","4","1") = "6"
    & skf21("7","2","5","6","6","6","5","1") = "6"
    & skf21("7","2","5","6","6","6","6","1") = "6"
    & skf21("7","2","5","6","6","6","7","1") = "6"
    & skf21("7","2","5","6","6","7","1","1") = "6"
    & skf21("7","2","5","6","6","7","2","1") = "6"
    & skf21("7","2","5","6","6","7","3","1") = "6"
    & skf21("7","2","5","6","6","7","4","1") = "6"
    & skf21("7","2","5","6","6","7","5","1") = "6"
    & skf21("7","2","5","6","6","7","6","1") = "6"
    & skf21("7","2","5","6","6","7","7","1") = "6"
    & skf21("7","2","5","6","7","1","1","1") = "6"
    & skf21("7","2","5","6","7","1","2","1") = "6"
    & skf21("7","2","5","6","7","1","3","1") = "6"
    & skf21("7","2","5","6","7","1","4","1") = "6"
    & skf21("7","2","5","6","7","1","5","1") = "6"
    & skf21("7","2","5","6","7","1","6","1") = "6"
    & skf21("7","2","5","6","7","1","7","1") = "6"
    & skf21("7","2","5","6","7","2","1","1") = "6"
    & skf21("7","2","5","6","7","2","2","1") = "6"
    & skf21("7","2","5","6","7","2","3","1") = "6"
    & skf21("7","2","5","6","7","2","4","1") = "6"
    & skf21("7","2","5","6","7","2","5","1") = "6"
    & skf21("7","2","5","6","7","2","6","1") = "6"
    & skf21("7","2","5","6","7","2","7","1") = "6"
    & skf21("7","2","5","6","7","3","1","1") = "6"
    & skf21("7","2","5","6","7","3","2","1") = "6"
    & skf21("7","2","5","6","7","3","3","1") = "6"
    & skf21("7","2","5","6","7","3","4","1") = "6"
    & skf21("7","2","5","6","7","3","5","1") = "6"
    & skf21("7","2","5","6","7","3","6","1") = "6"
    & skf21("7","2","5","6","7","3","7","1") = "6"
    & skf21("7","2","5","6","7","4","1","1") = "6"
    & skf21("7","2","5","6","7","4","2","1") = "6"
    & skf21("7","2","5","6","7","4","3","1") = "6"
    & skf21("7","2","5","6","7","4","4","1") = "6"
    & skf21("7","2","5","6","7","4","5","1") = "6"
    & skf21("7","2","5","6","7","4","6","1") = "6"
    & skf21("7","2","5","6","7","4","7","1") = "6"
    & skf21("7","2","5","6","7","5","1","1") = "6"
    & skf21("7","2","5","6","7","5","2","1") = "6"
    & skf21("7","2","5","6","7","5","3","1") = "6"
    & skf21("7","2","5","6","7","5","4","1") = "6"
    & skf21("7","2","5","6","7","5","5","1") = "6"
    & skf21("7","2","5","6","7","5","6","1") = "6"
    & skf21("7","2","5","6","7","5","7","1") = "6"
    & skf21("7","2","5","6","7","6","1","1") = "6"
    & skf21("7","2","5","6","7","6","2","1") = "6"
    & skf21("7","2","5","6","7","6","3","1") = "6"
    & skf21("7","2","5","6","7","6","4","1") = "6"
    & skf21("7","2","5","6","7","6","5","1") = "6"
    & skf21("7","2","5","6","7","6","6","1") = "6"
    & skf21("7","2","5","6","7","6","7","1") = "6"
    & skf21("7","2","5","6","7","7","1","1") = "6"
    & skf21("7","2","5","6","7","7","2","1") = "6"
    & skf21("7","2","5","6","7","7","3","1") = "6"
    & skf21("7","2","5","6","7","7","4","1") = "6"
    & skf21("7","2","5","6","7","7","5","1") = "6"
    & skf21("7","2","5","6","7","7","6","1") = "6"
    & skf21("7","2","5","6","7","7","7","1") = "6"
    & skf21("7","2","5","7","1","1","1","1") = "6"
    & skf21("7","2","5","7","1","1","2","1") = "6"
    & skf21("7","2","5","7","1","1","3","1") = "6"
    & skf21("7","2","5","7","1","1","4","1") = "6"
    & skf21("7","2","5","7","1","1","5","1") = "6"
    & skf21("7","2","5","7","1","1","6","1") = "6"
    & skf21("7","2","5","7","1","1","7","1") = "6"
    & skf21("7","2","5","7","1","2","1","1") = "6"
    & skf21("7","2","5","7","1","2","2","1") = "6"
    & skf21("7","2","5","7","1","2","3","1") = "6"
    & skf21("7","2","5","7","1","2","4","1") = "6"
    & skf21("7","2","5","7","1","2","5","1") = "6"
    & skf21("7","2","5","7","1","2","6","1") = "6"
    & skf21("7","2","5","7","1","2","7","1") = "6"
    & skf21("7","2","5","7","1","3","1","1") = "6"
    & skf21("7","2","5","7","1","3","2","1") = "6"
    & skf21("7","2","5","7","1","3","3","1") = "6"
    & skf21("7","2","5","7","1","3","4","1") = "6"
    & skf21("7","2","5","7","1","3","5","1") = "6"
    & skf21("7","2","5","7","1","3","6","1") = "6"
    & skf21("7","2","5","7","1","3","7","1") = "6"
    & skf21("7","2","5","7","1","4","1","1") = "6"
    & skf21("7","2","5","7","1","4","2","1") = "6"
    & skf21("7","2","5","7","1","4","3","1") = "6"
    & skf21("7","2","5","7","1","4","4","1") = "6"
    & skf21("7","2","5","7","1","4","5","1") = "6"
    & skf21("7","2","5","7","1","4","6","1") = "6"
    & skf21("7","2","5","7","1","4","7","1") = "6"
    & skf21("7","2","5","7","1","5","1","1") = "6"
    & skf21("7","2","5","7","1","5","2","1") = "6"
    & skf21("7","2","5","7","1","5","3","1") = "6"
    & skf21("7","2","5","7","1","5","4","1") = "6"
    & skf21("7","2","5","7","1","5","5","1") = "6"
    & skf21("7","2","5","7","1","5","6","1") = "6"
    & skf21("7","2","5","7","1","5","7","1") = "6"
    & skf21("7","2","5","7","1","6","1","1") = "6"
    & skf21("7","2","5","7","1","6","2","1") = "6"
    & skf21("7","2","5","7","1","6","3","1") = "6"
    & skf21("7","2","5","7","1","6","4","1") = "6"
    & skf21("7","2","5","7","1","6","5","1") = "6"
    & skf21("7","2","5","7","1","6","6","1") = "6"
    & skf21("7","2","5","7","1","6","7","1") = "6"
    & skf21("7","2","5","7","1","7","1","1") = "6"
    & skf21("7","2","5","7","1","7","2","1") = "6"
    & skf21("7","2","5","7","1","7","3","1") = "6"
    & skf21("7","2","5","7","1","7","4","1") = "6"
    & skf21("7","2","5","7","1","7","5","1") = "6"
    & skf21("7","2","5","7","1","7","6","1") = "6"
    & skf21("7","2","5","7","1","7","7","1") = "6"
    & skf21("7","2","5","7","2","1","1","1") = "6"
    & skf21("7","2","5","7","2","1","2","1") = "6"
    & skf21("7","2","5","7","2","1","3","1") = "6"
    & skf21("7","2","5","7","2","1","4","1") = "6"
    & skf21("7","2","5","7","2","1","5","1") = "6"
    & skf21("7","2","5","7","2","1","6","1") = "6"
    & skf21("7","2","5","7","2","1","7","1") = "6"
    & skf21("7","2","5","7","2","2","1","1") = "6"
    & skf21("7","2","5","7","2","2","2","1") = "6"
    & skf21("7","2","5","7","2","2","3","1") = "6"
    & skf21("7","2","5","7","2","2","4","1") = "6"
    & skf21("7","2","5","7","2","2","5","1") = "6"
    & skf21("7","2","5","7","2","2","6","1") = "6"
    & skf21("7","2","5","7","2","2","7","1") = "6"
    & skf21("7","2","5","7","2","3","1","1") = "6"
    & skf21("7","2","5","7","2","3","2","1") = "6"
    & skf21("7","2","5","7","2","3","3","1") = "6"
    & skf21("7","2","5","7","2","3","4","1") = "6"
    & skf21("7","2","5","7","2","3","5","1") = "6"
    & skf21("7","2","5","7","2","3","6","1") = "6"
    & skf21("7","2","5","7","2","3","7","1") = "6"
    & skf21("7","2","5","7","2","4","1","1") = "6"
    & skf21("7","2","5","7","2","4","2","1") = "6"
    & skf21("7","2","5","7","2","4","3","1") = "6"
    & skf21("7","2","5","7","2","4","4","1") = "6"
    & skf21("7","2","5","7","2","4","5","1") = "6"
    & skf21("7","2","5","7","2","4","6","1") = "6"
    & skf21("7","2","5","7","2","4","7","1") = "6"
    & skf21("7","2","5","7","2","5","1","1") = "6"
    & skf21("7","2","5","7","2","5","2","1") = "6"
    & skf21("7","2","5","7","2","5","3","1") = "6"
    & skf21("7","2","5","7","2","5","4","1") = "6"
    & skf21("7","2","5","7","2","5","5","1") = "6"
    & skf21("7","2","5","7","2","5","6","1") = "6"
    & skf21("7","2","5","7","2","5","7","1") = "6"
    & skf21("7","2","5","7","2","6","1","1") = "6"
    & skf21("7","2","5","7","2","6","2","1") = "6"
    & skf21("7","2","5","7","2","6","3","1") = "6"
    & skf21("7","2","5","7","2","6","4","1") = "6"
    & skf21("7","2","5","7","2","6","5","1") = "6"
    & skf21("7","2","5","7","2","6","6","1") = "6"
    & skf21("7","2","5","7","2","6","7","1") = "6"
    & skf21("7","2","5","7","2","7","1","1") = "6"
    & skf21("7","2","5","7","2","7","2","1") = "6"
    & skf21("7","2","5","7","2","7","3","1") = "6"
    & skf21("7","2","5","7","2","7","4","1") = "6"
    & skf21("7","2","5","7","2","7","5","1") = "6"
    & skf21("7","2","5","7","2","7","6","1") = "6"
    & skf21("7","2","5","7","2","7","7","1") = "6"
    & skf21("7","2","5","7","3","1","1","1") = "6"
    & skf21("7","2","5","7","3","1","2","1") = "6"
    & skf21("7","2","5","7","3","1","3","1") = "6"
    & skf21("7","2","5","7","3","1","4","1") = "6"
    & skf21("7","2","5","7","3","1","5","1") = "6"
    & skf21("7","2","5","7","3","1","6","1") = "6"
    & skf21("7","2","5","7","3","1","7","1") = "6"
    & skf21("7","2","5","7","3","2","1","1") = "6"
    & skf21("7","2","5","7","3","2","2","1") = "6"
    & skf21("7","2","5","7","3","2","3","1") = "6"
    & skf21("7","2","5","7","3","2","4","1") = "6"
    & skf21("7","2","5","7","3","2","5","1") = "6"
    & skf21("7","2","5","7","3","2","6","1") = "6"
    & skf21("7","2","5","7","3","2","7","1") = "6"
    & skf21("7","2","5","7","3","3","1","1") = "6"
    & skf21("7","2","5","7","3","3","2","1") = "6"
    & skf21("7","2","5","7","3","3","3","1") = "6"
    & skf21("7","2","5","7","3","3","4","1") = "6"
    & skf21("7","2","5","7","3","3","5","1") = "6"
    & skf21("7","2","5","7","3","3","6","1") = "6"
    & skf21("7","2","5","7","3","3","7","1") = "6"
    & skf21("7","2","5","7","3","4","1","1") = "6"
    & skf21("7","2","5","7","3","4","2","1") = "6"
    & skf21("7","2","5","7","3","4","3","1") = "6"
    & skf21("7","2","5","7","3","4","4","1") = "6"
    & skf21("7","2","5","7","3","4","5","1") = "6"
    & skf21("7","2","5","7","3","4","6","1") = "6"
    & skf21("7","2","5","7","3","4","7","1") = "6"
    & skf21("7","2","5","7","3","5","1","1") = "6"
    & skf21("7","2","5","7","3","5","2","1") = "6"
    & skf21("7","2","5","7","3","5","3","1") = "6"
    & skf21("7","2","5","7","3","5","4","1") = "6"
    & skf21("7","2","5","7","3","5","5","1") = "6"
    & skf21("7","2","5","7","3","5","6","1") = "6"
    & skf21("7","2","5","7","3","5","7","1") = "6"
    & skf21("7","2","5","7","3","6","1","1") = "6"
    & skf21("7","2","5","7","3","6","2","1") = "6"
    & skf21("7","2","5","7","3","6","3","1") = "6"
    & skf21("7","2","5","7","3","6","4","1") = "6"
    & skf21("7","2","5","7","3","6","5","1") = "6"
    & skf21("7","2","5","7","3","6","6","1") = "6"
    & skf21("7","2","5","7","3","6","7","1") = "6"
    & skf21("7","2","5","7","3","7","1","1") = "6"
    & skf21("7","2","5","7","3","7","2","1") = "6"
    & skf21("7","2","5","7","3","7","3","1") = "6"
    & skf21("7","2","5","7","3","7","4","1") = "6"
    & skf21("7","2","5","7","3","7","5","1") = "6"
    & skf21("7","2","5","7","3","7","6","1") = "6"
    & skf21("7","2","5","7","3","7","7","1") = "6"
    & skf21("7","2","5","7","4","1","1","1") = "6"
    & skf21("7","2","5","7","4","1","2","1") = "6"
    & skf21("7","2","5","7","4","1","3","1") = "6"
    & skf21("7","2","5","7","4","1","4","1") = "6"
    & skf21("7","2","5","7","4","1","5","1") = "6"
    & skf21("7","2","5","7","4","1","6","1") = "6"
    & skf21("7","2","5","7","4","1","7","1") = "6"
    & skf21("7","2","5","7","4","2","1","1") = "6"
    & skf21("7","2","5","7","4","2","2","1") = "6"
    & skf21("7","2","5","7","4","2","3","1") = "6"
    & skf21("7","2","5","7","4","2","4","1") = "6"
    & skf21("7","2","5","7","4","2","5","1") = "6"
    & skf21("7","2","5","7","4","2","6","1") = "6"
    & skf21("7","2","5","7","4","2","7","1") = "6"
    & skf21("7","2","5","7","4","3","1","1") = "6"
    & skf21("7","2","5","7","4","3","2","1") = "6"
    & skf21("7","2","5","7","4","3","3","1") = "6"
    & skf21("7","2","5","7","4","3","4","1") = "6"
    & skf21("7","2","5","7","4","3","5","1") = "6"
    & skf21("7","2","5","7","4","3","6","1") = "6"
    & skf21("7","2","5","7","4","3","7","1") = "6"
    & skf21("7","2","5","7","4","4","1","1") = "6"
    & skf21("7","2","5","7","4","4","2","1") = "6"
    & skf21("7","2","5","7","4","4","3","1") = "6"
    & skf21("7","2","5","7","4","4","4","1") = "6"
    & skf21("7","2","5","7","4","4","5","1") = "6"
    & skf21("7","2","5","7","4","4","6","1") = "6"
    & skf21("7","2","5","7","4","4","7","1") = "6"
    & skf21("7","2","5","7","4","5","1","1") = "6"
    & skf21("7","2","5","7","4","5","2","1") = "6"
    & skf21("7","2","5","7","4","5","3","1") = "6"
    & skf21("7","2","5","7","4","5","4","1") = "6"
    & skf21("7","2","5","7","4","5","5","1") = "6"
    & skf21("7","2","5","7","4","5","6","1") = "6"
    & skf21("7","2","5","7","4","5","7","1") = "6"
    & skf21("7","2","5","7","4","6","1","1") = "6"
    & skf21("7","2","5","7","4","6","2","1") = "6"
    & skf21("7","2","5","7","4","6","3","1") = "6"
    & skf21("7","2","5","7","4","6","4","1") = "6"
    & skf21("7","2","5","7","4","6","5","1") = "6"
    & skf21("7","2","5","7","4","6","6","1") = "6"
    & skf21("7","2","5","7","4","6","7","1") = "6"
    & skf21("7","2","5","7","4","7","1","1") = "6"
    & skf21("7","2","5","7","4","7","2","1") = "6"
    & skf21("7","2","5","7","4","7","3","1") = "6"
    & skf21("7","2","5","7","4","7","4","1") = "6"
    & skf21("7","2","5","7","4","7","5","1") = "6"
    & skf21("7","2","5","7","4","7","6","1") = "6"
    & skf21("7","2","5","7","4","7","7","1") = "6"
    & skf21("7","2","5","7","5","1","1","1") = "6"
    & skf21("7","2","5","7","5","1","2","1") = "6"
    & skf21("7","2","5","7","5","1","3","1") = "6"
    & skf21("7","2","5","7","5","1","4","1") = "6"
    & skf21("7","2","5","7","5","1","5","1") = "6"
    & skf21("7","2","5","7","5","1","6","1") = "6"
    & skf21("7","2","5","7","5","1","7","1") = "6"
    & skf21("7","2","5","7","5","2","1","1") = "6"
    & skf21("7","2","5","7","5","2","2","1") = "6"
    & skf21("7","2","5","7","5","2","3","1") = "6"
    & skf21("7","2","5","7","5","2","4","1") = "6"
    & skf21("7","2","5","7","5","2","5","1") = "6"
    & skf21("7","2","5","7","5","2","6","1") = "6"
    & skf21("7","2","5","7","5","2","7","1") = "6"
    & skf21("7","2","5","7","5","3","1","1") = "6"
    & skf21("7","2","5","7","5","3","2","1") = "6"
    & skf21("7","2","5","7","5","3","3","1") = "6"
    & skf21("7","2","5","7","5","3","4","1") = "6"
    & skf21("7","2","5","7","5","3","5","1") = "6"
    & skf21("7","2","5","7","5","3","6","1") = "6"
    & skf21("7","2","5","7","5","3","7","1") = "6"
    & skf21("7","2","5","7","5","4","1","1") = "6"
    & skf21("7","2","5","7","5","4","2","1") = "6"
    & skf21("7","2","5","7","5","4","3","1") = "6"
    & skf21("7","2","5","7","5","4","4","1") = "6"
    & skf21("7","2","5","7","5","4","5","1") = "6"
    & skf21("7","2","5","7","5","4","6","1") = "6"
    & skf21("7","2","5","7","5","4","7","1") = "6"
    & skf21("7","2","5","7","5","5","1","1") = "6"
    & skf21("7","2","5","7","5","5","2","1") = "6"
    & skf21("7","2","5","7","5","5","3","1") = "6"
    & skf21("7","2","5","7","5","5","4","1") = "6"
    & skf21("7","2","5","7","5","5","5","1") = "6"
    & skf21("7","2","5","7","5","5","6","1") = "6"
    & skf21("7","2","5","7","5","5","7","1") = "6"
    & skf21("7","2","5","7","5","6","1","1") = "6"
    & skf21("7","2","5","7","5","6","2","1") = "6"
    & skf21("7","2","5","7","5","6","3","1") = "6"
    & skf21("7","2","5","7","5","6","4","1") = "6"
    & skf21("7","2","5","7","5","6","5","1") = "6"
    & skf21("7","2","5","7","5","6","6","1") = "6"
    & skf21("7","2","5","7","5","6","7","1") = "6"
    & skf21("7","2","5","7","5","7","1","1") = "6"
    & skf21("7","2","5","7","5","7","2","1") = "6"
    & skf21("7","2","5","7","5","7","3","1") = "6"
    & skf21("7","2","5","7","5","7","4","1") = "6"
    & skf21("7","2","5","7","5","7","5","1") = "6"
    & skf21("7","2","5","7","5","7","6","1") = "6"
    & skf21("7","2","5","7","5","7","7","1") = "6"
    & skf21("7","2","5","7","6","1","1","1") = "6"
    & skf21("7","2","5","7","6","1","2","1") = "6"
    & skf21("7","2","5","7","6","1","3","1") = "6"
    & skf21("7","2","5","7","6","1","4","1") = "6"
    & skf21("7","2","5","7","6","1","5","1") = "6"
    & skf21("7","2","5","7","6","1","6","1") = "6"
    & skf21("7","2","5","7","6","1","7","1") = "6"
    & skf21("7","2","5","7","6","2","1","1") = "6"
    & skf21("7","2","5","7","6","2","2","1") = "6"
    & skf21("7","2","5","7","6","2","3","1") = "6"
    & skf21("7","2","5","7","6","2","4","1") = "6"
    & skf21("7","2","5","7","6","2","5","1") = "6"
    & skf21("7","2","5","7","6","2","6","1") = "6"
    & skf21("7","2","5","7","6","2","7","1") = "6"
    & skf21("7","2","5","7","6","3","1","1") = "6"
    & skf21("7","2","5","7","6","3","2","1") = "6"
    & skf21("7","2","5","7","6","3","3","1") = "6"
    & skf21("7","2","5","7","6","3","4","1") = "6"
    & skf21("7","2","5","7","6","3","5","1") = "6"
    & skf21("7","2","5","7","6","3","6","1") = "6"
    & skf21("7","2","5","7","6","3","7","1") = "6"
    & skf21("7","2","5","7","6","4","1","1") = "6"
    & skf21("7","2","5","7","6","4","2","1") = "6"
    & skf21("7","2","5","7","6","4","3","1") = "6"
    & skf21("7","2","5","7","6","4","4","1") = "6"
    & skf21("7","2","5","7","6","4","5","1") = "6"
    & skf21("7","2","5","7","6","4","6","1") = "6"
    & skf21("7","2","5","7","6","4","7","1") = "6"
    & skf21("7","2","5","7","6","5","1","1") = "6"
    & skf21("7","2","5","7","6","5","2","1") = "6"
    & skf21("7","2","5","7","6","5","3","1") = "6"
    & skf21("7","2","5","7","6","5","4","1") = "6"
    & skf21("7","2","5","7","6","5","5","1") = "6"
    & skf21("7","2","5","7","6","5","6","1") = "6"
    & skf21("7","2","5","7","6","5","7","1") = "6"
    & skf21("7","2","5","7","6","6","1","1") = "6"
    & skf21("7","2","5","7","6","6","2","1") = "6"
    & skf21("7","2","5","7","6","6","3","1") = "6"
    & skf21("7","2","5","7","6","6","4","1") = "6"
    & skf21("7","2","5","7","6","6","5","1") = "6"
    & skf21("7","2","5","7","6","6","6","1") = "6"
    & skf21("7","2","5","7","6","6","7","1") = "6"
    & skf21("7","2","5","7","6","7","1","1") = "6"
    & skf21("7","2","5","7","6","7","2","1") = "6"
    & skf21("7","2","5","7","6","7","3","1") = "6"
    & skf21("7","2","5","7","6","7","4","1") = "6"
    & skf21("7","2","5","7","6","7","5","1") = "6"
    & skf21("7","2","5","7","6","7","6","1") = "6"
    & skf21("7","2","5","7","6","7","7","1") = "6"
    & skf21("7","2","5","7","7","1","1","1") = "6"
    & skf21("7","2","5","7","7","1","2","1") = "6"
    & skf21("7","2","5","7","7","1","3","1") = "6"
    & skf21("7","2","5","7","7","1","4","1") = "6"
    & skf21("7","2","5","7","7","1","5","1") = "6"
    & skf21("7","2","5","7","7","1","6","1") = "6"
    & skf21("7","2","5","7","7","1","7","1") = "6"
    & skf21("7","2","5","7","7","2","1","1") = "6"
    & skf21("7","2","5","7","7","2","2","1") = "6"
    & skf21("7","2","5","7","7","2","3","1") = "6"
    & skf21("7","2","5","7","7","2","4","1") = "6"
    & skf21("7","2","5","7","7","2","5","1") = "6"
    & skf21("7","2","5","7","7","2","6","1") = "6"
    & skf21("7","2","5","7","7","2","7","1") = "6"
    & skf21("7","2","5","7","7","3","1","1") = "6"
    & skf21("7","2","5","7","7","3","2","1") = "6"
    & skf21("7","2","5","7","7","3","3","1") = "6"
    & skf21("7","2","5","7","7","3","4","1") = "6"
    & skf21("7","2","5","7","7","3","5","1") = "6"
    & skf21("7","2","5","7","7","3","6","1") = "6"
    & skf21("7","2","5","7","7","3","7","1") = "6"
    & skf21("7","2","5","7","7","4","1","1") = "6"
    & skf21("7","2","5","7","7","4","2","1") = "6"
    & skf21("7","2","5","7","7","4","3","1") = "6"
    & skf21("7","2","5","7","7","4","4","1") = "6"
    & skf21("7","2","5","7","7","4","5","1") = "6"
    & skf21("7","2","5","7","7","4","6","1") = "6"
    & skf21("7","2","5","7","7","4","7","1") = "6"
    & skf21("7","2","5","7","7","5","1","1") = "6"
    & skf21("7","2","5","7","7","5","2","1") = "6"
    & skf21("7","2","5","7","7","5","3","1") = "6"
    & skf21("7","2","5","7","7","5","4","1") = "6"
    & skf21("7","2","5","7","7","5","5","1") = "6"
    & skf21("7","2","5","7","7","5","6","1") = "6"
    & skf21("7","2","5","7","7","5","7","1") = "6"
    & skf21("7","2","5","7","7","6","1","1") = "6"
    & skf21("7","2","5","7","7","6","2","1") = "6"
    & skf21("7","2","5","7","7","6","3","1") = "6"
    & skf21("7","2","5","7","7","6","4","1") = "6"
    & skf21("7","2","5","7","7","6","5","1") = "6"
    & skf21("7","2","5","7","7","6","6","1") = "6"
    & skf21("7","2","5","7","7","6","7","1") = "6"
    & skf21("7","2","5","7","7","7","1","1") = "6"
    & skf21("7","2","5","7","7","7","2","1") = "6"
    & skf21("7","2","5","7","7","7","3","1") = "6"
    & skf21("7","2","5","7","7","7","4","1") = "6"
    & skf21("7","2","5","7","7","7","5","1") = "6"
    & skf21("7","2","5","7","7","7","6","1") = "6"
    & skf21("7","2","5","7","7","7","7","1") = "6"
    & skf21("7","2","6","1","1","1","1","1") = "6"
    & skf21("7","2","6","1","1","1","2","1") = "6"
    & skf21("7","2","6","1","1","1","3","1") = "6"
    & skf21("7","2","6","1","1","1","4","1") = "6"
    & skf21("7","2","6","1","1","1","5","1") = "6"
    & skf21("7","2","6","1","1","1","6","1") = "6"
    & skf21("7","2","6","1","1","1","7","1") = "6"
    & skf21("7","2","6","1","1","2","1","1") = "6"
    & skf21("7","2","6","1","1","2","2","1") = "6"
    & skf21("7","2","6","1","1","2","3","1") = "6"
    & skf21("7","2","6","1","1","2","4","1") = "6"
    & skf21("7","2","6","1","1","2","5","1") = "6"
    & skf21("7","2","6","1","1","2","6","1") = "6"
    & skf21("7","2","6","1","1","2","7","1") = "6"
    & skf21("7","2","6","1","1","3","1","1") = "6"
    & skf21("7","2","6","1","1","3","2","1") = "6"
    & skf21("7","2","6","1","1","3","3","1") = "6"
    & skf21("7","2","6","1","1","3","4","1") = "6"
    & skf21("7","2","6","1","1","3","5","1") = "6"
    & skf21("7","2","6","1","1","3","6","1") = "6"
    & skf21("7","2","6","1","1","3","7","1") = "6"
    & skf21("7","2","6","1","1","4","1","1") = "6"
    & skf21("7","2","6","1","1","4","2","1") = "6"
    & skf21("7","2","6","1","1","4","3","1") = "6"
    & skf21("7","2","6","1","1","4","4","1") = "6"
    & skf21("7","2","6","1","1","4","5","1") = "6"
    & skf21("7","2","6","1","1","4","6","1") = "6"
    & skf21("7","2","6","1","1","4","7","1") = "6"
    & skf21("7","2","6","1","1","5","1","1") = "6"
    & skf21("7","2","6","1","1","5","2","1") = "6"
    & skf21("7","2","6","1","1","5","3","1") = "6"
    & skf21("7","2","6","1","1","5","4","1") = "6"
    & skf21("7","2","6","1","1","5","5","1") = "6"
    & skf21("7","2","6","1","1","5","6","1") = "6"
    & skf21("7","2","6","1","1","5","7","1") = "6"
    & skf21("7","2","6","1","1","6","1","1") = "6"
    & skf21("7","2","6","1","1","6","2","1") = "6"
    & skf21("7","2","6","1","1","6","3","1") = "6"
    & skf21("7","2","6","1","1","6","4","1") = "6"
    & skf21("7","2","6","1","1","6","5","1") = "6"
    & skf21("7","2","6","1","1","6","6","1") = "6"
    & skf21("7","2","6","1","1","6","7","1") = "6"
    & skf21("7","2","6","1","1","7","1","1") = "6"
    & skf21("7","2","6","1","1","7","2","1") = "6"
    & skf21("7","2","6","1","1","7","3","1") = "6"
    & skf21("7","2","6","1","1","7","4","1") = "6"
    & skf21("7","2","6","1","1","7","5","1") = "6"
    & skf21("7","2","6","1","1","7","6","1") = "6"
    & skf21("7","2","6","1","1","7","7","1") = "6"
    & skf21("7","2","6","1","2","1","1","1") = "6"
    & skf21("7","2","6","1","2","1","2","1") = "6"
    & skf21("7","2","6","1","2","1","3","1") = "6"
    & skf21("7","2","6","1","2","1","4","1") = "6"
    & skf21("7","2","6","1","2","1","5","1") = "6"
    & skf21("7","2","6","1","2","1","6","1") = "6"
    & skf21("7","2","6","1","2","1","7","1") = "6"
    & skf21("7","2","6","1","2","2","1","1") = "6"
    & skf21("7","2","6","1","2","2","2","1") = "6"
    & skf21("7","2","6","1","2","2","3","1") = "6"
    & skf21("7","2","6","1","2","2","4","1") = "6"
    & skf21("7","2","6","1","2","2","5","1") = "6"
    & skf21("7","2","6","1","2","2","6","1") = "6"
    & skf21("7","2","6","1","2","2","7","1") = "6"
    & skf21("7","2","6","1","2","3","1","1") = "6"
    & skf21("7","2","6","1","2","3","2","1") = "6"
    & skf21("7","2","6","1","2","3","3","1") = "6"
    & skf21("7","2","6","1","2","3","4","1") = "6"
    & skf21("7","2","6","1","2","3","5","1") = "6"
    & skf21("7","2","6","1","2","3","6","1") = "6"
    & skf21("7","2","6","1","2","3","7","1") = "6"
    & skf21("7","2","6","1","2","4","1","1") = "6"
    & skf21("7","2","6","1","2","4","2","1") = "6"
    & skf21("7","2","6","1","2","4","3","1") = "6"
    & skf21("7","2","6","1","2","4","4","1") = "6"
    & skf21("7","2","6","1","2","4","5","1") = "6"
    & skf21("7","2","6","1","2","4","6","1") = "6"
    & skf21("7","2","6","1","2","4","7","1") = "6"
    & skf21("7","2","6","1","2","5","1","1") = "6"
    & skf21("7","2","6","1","2","5","2","1") = "6"
    & skf21("7","2","6","1","2","5","3","1") = "6"
    & skf21("7","2","6","1","2","5","4","1") = "6"
    & skf21("7","2","6","1","2","5","5","1") = "6"
    & skf21("7","2","6","1","2","5","6","1") = "6"
    & skf21("7","2","6","1","2","5","7","1") = "6"
    & skf21("7","2","6","1","2","6","1","1") = "6"
    & skf21("7","2","6","1","2","6","2","1") = "6"
    & skf21("7","2","6","1","2","6","3","1") = "6"
    & skf21("7","2","6","1","2","6","4","1") = "6"
    & skf21("7","2","6","1","2","6","5","1") = "6"
    & skf21("7","2","6","1","2","6","6","1") = "6"
    & skf21("7","2","6","1","2","6","7","1") = "6"
    & skf21("7","2","6","1","2","7","1","1") = "6"
    & skf21("7","2","6","1","2","7","2","1") = "6"
    & skf21("7","2","6","1","2","7","3","1") = "6"
    & skf21("7","2","6","1","2","7","4","1") = "6"
    & skf21("7","2","6","1","2","7","5","1") = "6"
    & skf21("7","2","6","1","2","7","6","1") = "6"
    & skf21("7","2","6","1","2","7","7","1") = "6"
    & skf21("7","2","6","1","3","1","1","1") = "6"
    & skf21("7","2","6","1","3","1","2","1") = "6"
    & skf21("7","2","6","1","3","1","3","1") = "6"
    & skf21("7","2","6","1","3","1","4","1") = "6"
    & skf21("7","2","6","1","3","1","5","1") = "6"
    & skf21("7","2","6","1","3","1","6","1") = "6"
    & skf21("7","2","6","1","3","1","7","1") = "6"
    & skf21("7","2","6","1","3","2","1","1") = "6"
    & skf21("7","2","6","1","3","2","2","1") = "6"
    & skf21("7","2","6","1","3","2","3","1") = "6"
    & skf21("7","2","6","1","3","2","4","1") = "6"
    & skf21("7","2","6","1","3","2","5","1") = "6"
    & skf21("7","2","6","1","3","2","6","1") = "6"
    & skf21("7","2","6","1","3","2","7","1") = "6"
    & skf21("7","2","6","1","3","3","1","1") = "6"
    & skf21("7","2","6","1","3","3","2","1") = "6"
    & skf21("7","2","6","1","3","3","3","1") = "6"
    & skf21("7","2","6","1","3","3","4","1") = "6"
    & skf21("7","2","6","1","3","3","5","1") = "6"
    & skf21("7","2","6","1","3","3","6","1") = "6"
    & skf21("7","2","6","1","3","3","7","1") = "6"
    & skf21("7","2","6","1","3","4","1","1") = "6"
    & skf21("7","2","6","1","3","4","2","1") = "6"
    & skf21("7","2","6","1","3","4","3","1") = "6"
    & skf21("7","2","6","1","3","4","4","1") = "6"
    & skf21("7","2","6","1","3","4","5","1") = "6"
    & skf21("7","2","6","1","3","4","6","1") = "6"
    & skf21("7","2","6","1","3","4","7","1") = "6"
    & skf21("7","2","6","1","3","5","1","1") = "6"
    & skf21("7","2","6","1","3","5","2","1") = "6"
    & skf21("7","2","6","1","3","5","3","1") = "6"
    & skf21("7","2","6","1","3","5","4","1") = "6"
    & skf21("7","2","6","1","3","5","5","1") = "6"
    & skf21("7","2","6","1","3","5","6","1") = "6"
    & skf21("7","2","6","1","3","5","7","1") = "6"
    & skf21("7","2","6","1","3","6","1","1") = "6"
    & skf21("7","2","6","1","3","6","2","1") = "6"
    & skf21("7","2","6","1","3","6","3","1") = "6"
    & skf21("7","2","6","1","3","6","4","1") = "6"
    & skf21("7","2","6","1","3","6","5","1") = "6"
    & skf21("7","2","6","1","3","6","6","1") = "6"
    & skf21("7","2","6","1","3","6","7","1") = "6"
    & skf21("7","2","6","1","3","7","1","1") = "6"
    & skf21("7","2","6","1","3","7","2","1") = "6"
    & skf21("7","2","6","1","3","7","3","1") = "6"
    & skf21("7","2","6","1","3","7","4","1") = "6"
    & skf21("7","2","6","1","3","7","5","1") = "6"
    & skf21("7","2","6","1","3","7","6","1") = "6"
    & skf21("7","2","6","1","3","7","7","1") = "6"
    & skf21("7","2","6","1","4","1","1","1") = "6"
    & skf21("7","2","6","1","4","1","2","1") = "6"
    & skf21("7","2","6","1","4","1","3","1") = "6"
    & skf21("7","2","6","1","4","1","4","1") = "6"
    & skf21("7","2","6","1","4","1","5","1") = "6"
    & skf21("7","2","6","1","4","1","6","1") = "6"
    & skf21("7","2","6","1","4","1","7","1") = "6"
    & skf21("7","2","6","1","4","2","1","1") = "6"
    & skf21("7","2","6","1","4","2","2","1") = "6"
    & skf21("7","2","6","1","4","2","3","1") = "6"
    & skf21("7","2","6","1","4","2","4","1") = "6"
    & skf21("7","2","6","1","4","2","5","1") = "6"
    & skf21("7","2","6","1","4","2","6","1") = "6"
    & skf21("7","2","6","1","4","2","7","1") = "6"
    & skf21("7","2","6","1","4","3","1","1") = "6"
    & skf21("7","2","6","1","4","3","2","1") = "6"
    & skf21("7","2","6","1","4","3","3","1") = "6"
    & skf21("7","2","6","1","4","3","4","1") = "6"
    & skf21("7","2","6","1","4","3","5","1") = "6"
    & skf21("7","2","6","1","4","3","6","1") = "6"
    & skf21("7","2","6","1","4","3","7","1") = "6"
    & skf21("7","2","6","1","4","4","1","1") = "6"
    & skf21("7","2","6","1","4","4","2","1") = "6"
    & skf21("7","2","6","1","4","4","3","1") = "6"
    & skf21("7","2","6","1","4","4","4","1") = "6"
    & skf21("7","2","6","1","4","4","5","1") = "6"
    & skf21("7","2","6","1","4","4","6","1") = "6"
    & skf21("7","2","6","1","4","4","7","1") = "6"
    & skf21("7","2","6","1","4","5","1","1") = "6"
    & skf21("7","2","6","1","4","5","2","1") = "6"
    & skf21("7","2","6","1","4","5","3","1") = "6"
    & skf21("7","2","6","1","4","5","4","1") = "6"
    & skf21("7","2","6","1","4","5","5","1") = "6"
    & skf21("7","2","6","1","4","5","6","1") = "6"
    & skf21("7","2","6","1","4","5","7","1") = "6"
    & skf21("7","2","6","1","4","6","1","1") = "6"
    & skf21("7","2","6","1","4","6","2","1") = "6"
    & skf21("7","2","6","1","4","6","3","1") = "6"
    & skf21("7","2","6","1","4","6","4","1") = "6"
    & skf21("7","2","6","1","4","6","5","1") = "6"
    & skf21("7","2","6","1","4","6","6","1") = "6"
    & skf21("7","2","6","1","4","6","7","1") = "6"
    & skf21("7","2","6","1","4","7","1","1") = "6"
    & skf21("7","2","6","1","4","7","2","1") = "6"
    & skf21("7","2","6","1","4","7","3","1") = "6"
    & skf21("7","2","6","1","4","7","4","1") = "6"
    & skf21("7","2","6","1","4","7","5","1") = "6"
    & skf21("7","2","6","1","4","7","6","1") = "6"
    & skf21("7","2","6","1","4","7","7","1") = "6"
    & skf21("7","2","6","1","5","1","1","1") = "6"
    & skf21("7","2","6","1","5","1","2","1") = "6"
    & skf21("7","2","6","1","5","1","3","1") = "6"
    & skf21("7","2","6","1","5","1","4","1") = "6"
    & skf21("7","2","6","1","5","1","5","1") = "6"
    & skf21("7","2","6","1","5","1","6","1") = "6"
    & skf21("7","2","6","1","5","1","7","1") = "6"
    & skf21("7","2","6","1","5","2","1","1") = "6"
    & skf21("7","2","6","1","5","2","2","1") = "6"
    & skf21("7","2","6","1","5","2","3","1") = "6"
    & skf21("7","2","6","1","5","2","4","1") = "6"
    & skf21("7","2","6","1","5","2","5","1") = "6"
    & skf21("7","2","6","1","5","2","6","1") = "6"
    & skf21("7","2","6","1","5","2","7","1") = "6"
    & skf21("7","2","6","1","5","3","1","1") = "6"
    & skf21("7","2","6","1","5","3","2","1") = "6"
    & skf21("7","2","6","1","5","3","3","1") = "6"
    & skf21("7","2","6","1","5","3","4","1") = "6"
    & skf21("7","2","6","1","5","3","5","1") = "6"
    & skf21("7","2","6","1","5","3","6","1") = "6"
    & skf21("7","2","6","1","5","3","7","1") = "6"
    & skf21("7","2","6","1","5","4","1","1") = "6"
    & skf21("7","2","6","1","5","4","2","1") = "6"
    & skf21("7","2","6","1","5","4","3","1") = "6"
    & skf21("7","2","6","1","5","4","4","1") = "6"
    & skf21("7","2","6","1","5","4","5","1") = "6"
    & skf21("7","2","6","1","5","4","6","1") = "6"
    & skf21("7","2","6","1","5","4","7","1") = "6"
    & skf21("7","2","6","1","5","5","1","1") = "6"
    & skf21("7","2","6","1","5","5","2","1") = "6"
    & skf21("7","2","6","1","5","5","3","1") = "6"
    & skf21("7","2","6","1","5","5","4","1") = "6"
    & skf21("7","2","6","1","5","5","5","1") = "6"
    & skf21("7","2","6","1","5","5","6","1") = "6"
    & skf21("7","2","6","1","5","5","7","1") = "6"
    & skf21("7","2","6","1","5","6","1","1") = "6"
    & skf21("7","2","6","1","5","6","2","1") = "6"
    & skf21("7","2","6","1","5","6","3","1") = "6"
    & skf21("7","2","6","1","5","6","4","1") = "6"
    & skf21("7","2","6","1","5","6","5","1") = "6"
    & skf21("7","2","6","1","5","6","6","1") = "6"
    & skf21("7","2","6","1","5","6","7","1") = "6"
    & skf21("7","2","6","1","5","7","1","1") = "6"
    & skf21("7","2","6","1","5","7","2","1") = "6"
    & skf21("7","2","6","1","5","7","3","1") = "6"
    & skf21("7","2","6","1","5","7","4","1") = "6"
    & skf21("7","2","6","1","5","7","5","1") = "6"
    & skf21("7","2","6","1","5","7","6","1") = "6"
    & skf21("7","2","6","1","5","7","7","1") = "6"
    & skf21("7","2","6","1","6","1","1","1") = "6"
    & skf21("7","2","6","1","6","1","2","1") = "6"
    & skf21("7","2","6","1","6","1","3","1") = "6"
    & skf21("7","2","6","1","6","1","4","1") = "6"
    & skf21("7","2","6","1","6","1","5","1") = "6"
    & skf21("7","2","6","1","6","1","6","1") = "6"
    & skf21("7","2","6","1","6","1","7","1") = "6"
    & skf21("7","2","6","1","6","2","1","1") = "6"
    & skf21("7","2","6","1","6","2","2","1") = "6"
    & skf21("7","2","6","1","6","2","3","1") = "6"
    & skf21("7","2","6","1","6","2","4","1") = "6"
    & skf21("7","2","6","1","6","2","5","1") = "6"
    & skf21("7","2","6","1","6","2","6","1") = "6"
    & skf21("7","2","6","1","6","2","7","1") = "6"
    & skf21("7","2","6","1","6","3","1","1") = "6"
    & skf21("7","2","6","1","6","3","2","1") = "6"
    & skf21("7","2","6","1","6","3","3","1") = "6"
    & skf21("7","2","6","1","6","3","4","1") = "6"
    & skf21("7","2","6","1","6","3","5","1") = "6"
    & skf21("7","2","6","1","6","3","6","1") = "6"
    & skf21("7","2","6","1","6","3","7","1") = "6"
    & skf21("7","2","6","1","6","4","1","1") = "6"
    & skf21("7","2","6","1","6","4","2","1") = "6"
    & skf21("7","2","6","1","6","4","3","1") = "6"
    & skf21("7","2","6","1","6","4","4","1") = "6"
    & skf21("7","2","6","1","6","4","5","1") = "6"
    & skf21("7","2","6","1","6","4","6","1") = "6"
    & skf21("7","2","6","1","6","4","7","1") = "6"
    & skf21("7","2","6","1","6","5","1","1") = "6"
    & skf21("7","2","6","1","6","5","2","1") = "6"
    & skf21("7","2","6","1","6","5","3","1") = "6"
    & skf21("7","2","6","1","6","5","4","1") = "6"
    & skf21("7","2","6","1","6","5","5","1") = "6"
    & skf21("7","2","6","1","6","5","6","1") = "6"
    & skf21("7","2","6","1","6","5","7","1") = "6"
    & skf21("7","2","6","1","6","6","1","1") = "6"
    & skf21("7","2","6","1","6","6","2","1") = "6"
    & skf21("7","2","6","1","6","6","3","1") = "6"
    & skf21("7","2","6","1","6","6","4","1") = "6"
    & skf21("7","2","6","1","6","6","5","1") = "6"
    & skf21("7","2","6","1","6","6","6","1") = "6"
    & skf21("7","2","6","1","6","6","7","1") = "6"
    & skf21("7","2","6","1","6","7","1","1") = "6"
    & skf21("7","2","6","1","6","7","2","1") = "6"
    & skf21("7","2","6","1","6","7","3","1") = "6"
    & skf21("7","2","6","1","6","7","4","1") = "6"
    & skf21("7","2","6","1","6","7","5","1") = "6"
    & skf21("7","2","6","1","6","7","6","1") = "6"
    & skf21("7","2","6","1","6","7","7","1") = "6"
    & skf21("7","2","6","1","7","1","1","1") = "6"
    & skf21("7","2","6","1","7","1","2","1") = "6"
    & skf21("7","2","6","1","7","1","3","1") = "6"
    & skf21("7","2","6","1","7","1","4","1") = "6"
    & skf21("7","2","6","1","7","1","5","1") = "6"
    & skf21("7","2","6","1","7","1","6","1") = "6"
    & skf21("7","2","6","1","7","1","7","1") = "6"
    & skf21("7","2","6","1","7","2","1","1") = "6"
    & skf21("7","2","6","1","7","2","2","1") = "6"
    & skf21("7","2","6","1","7","2","3","1") = "6"
    & skf21("7","2","6","1","7","2","4","1") = "6"
    & skf21("7","2","6","1","7","2","5","1") = "6"
    & skf21("7","2","6","1","7","2","6","1") = "6"
    & skf21("7","2","6","1","7","2","7","1") = "6"
    & skf21("7","2","6","1","7","3","1","1") = "6"
    & skf21("7","2","6","1","7","3","2","1") = "6"
    & skf21("7","2","6","1","7","3","3","1") = "6"
    & skf21("7","2","6","1","7","3","4","1") = "6"
    & skf21("7","2","6","1","7","3","5","1") = "6"
    & skf21("7","2","6","1","7","3","6","1") = "6"
    & skf21("7","2","6","1","7","3","7","1") = "6"
    & skf21("7","2","6","1","7","4","1","1") = "6"
    & skf21("7","2","6","1","7","4","2","1") = "6"
    & skf21("7","2","6","1","7","4","3","1") = "6"
    & skf21("7","2","6","1","7","4","4","1") = "6"
    & skf21("7","2","6","1","7","4","5","1") = "6"
    & skf21("7","2","6","1","7","4","6","1") = "6"
    & skf21("7","2","6","1","7","4","7","1") = "6"
    & skf21("7","2","6","1","7","5","1","1") = "6"
    & skf21("7","2","6","1","7","5","2","1") = "6"
    & skf21("7","2","6","1","7","5","3","1") = "6"
    & skf21("7","2","6","1","7","5","4","1") = "6"
    & skf21("7","2","6","1","7","5","5","1") = "6"
    & skf21("7","2","6","1","7","5","6","1") = "6"
    & skf21("7","2","6","1","7","5","7","1") = "6"
    & skf21("7","2","6","1","7","6","1","1") = "6"
    & skf21("7","2","6","1","7","6","2","1") = "6"
    & skf21("7","2","6","1","7","6","3","1") = "6"
    & skf21("7","2","6","1","7","6","4","1") = "6"
    & skf21("7","2","6","1","7","6","5","1") = "6"
    & skf21("7","2","6","1","7","6","6","1") = "6"
    & skf21("7","2","6","1","7","6","7","1") = "6"
    & skf21("7","2","6","1","7","7","1","1") = "6"
    & skf21("7","2","6","1","7","7","2","1") = "6"
    & skf21("7","2","6","1","7","7","3","1") = "6"
    & skf21("7","2","6","1","7","7","4","1") = "6"
    & skf21("7","2","6","1","7","7","5","1") = "6"
    & skf21("7","2","6","1","7","7","6","1") = "6"
    & skf21("7","2","6","1","7","7","7","1") = "6"
    & skf21("7","2","6","2","1","1","1","1") = "6"
    & skf21("7","2","6","2","1","1","2","1") = "6"
    & skf21("7","2","6","2","1","1","3","1") = "6"
    & skf21("7","2","6","2","1","1","4","1") = "6"
    & skf21("7","2","6","2","1","1","5","1") = "6"
    & skf21("7","2","6","2","1","1","6","1") = "6"
    & skf21("7","2","6","2","1","1","7","1") = "6"
    & skf21("7","2","6","2","1","2","1","1") = "6"
    & skf21("7","2","6","2","1","2","2","1") = "6"
    & skf21("7","2","6","2","1","2","3","1") = "6"
    & skf21("7","2","6","2","1","2","4","1") = "6"
    & skf21("7","2","6","2","1","2","5","1") = "6"
    & skf21("7","2","6","2","1","2","6","1") = "6"
    & skf21("7","2","6","2","1","2","7","1") = "6"
    & skf21("7","2","6","2","1","3","1","1") = "6"
    & skf21("7","2","6","2","1","3","2","1") = "6"
    & skf21("7","2","6","2","1","3","3","1") = "6"
    & skf21("7","2","6","2","1","3","4","1") = "6"
    & skf21("7","2","6","2","1","3","5","1") = "6"
    & skf21("7","2","6","2","1","3","6","1") = "6"
    & skf21("7","2","6","2","1","3","7","1") = "6"
    & skf21("7","2","6","2","1","4","1","1") = "6"
    & skf21("7","2","6","2","1","4","2","1") = "6"
    & skf21("7","2","6","2","1","4","3","1") = "6"
    & skf21("7","2","6","2","1","4","4","1") = "6"
    & skf21("7","2","6","2","1","4","5","1") = "6"
    & skf21("7","2","6","2","1","4","6","1") = "6"
    & skf21("7","2","6","2","1","4","7","1") = "6"
    & skf21("7","2","6","2","1","5","1","1") = "6"
    & skf21("7","2","6","2","1","5","2","1") = "6"
    & skf21("7","2","6","2","1","5","3","1") = "6"
    & skf21("7","2","6","2","1","5","4","1") = "6"
    & skf21("7","2","6","2","1","5","5","1") = "6"
    & skf21("7","2","6","2","1","5","6","1") = "6"
    & skf21("7","2","6","2","1","5","7","1") = "6"
    & skf21("7","2","6","2","1","6","1","1") = "6"
    & skf21("7","2","6","2","1","6","2","1") = "6"
    & skf21("7","2","6","2","1","6","3","1") = "6"
    & skf21("7","2","6","2","1","6","4","1") = "6"
    & skf21("7","2","6","2","1","6","5","1") = "6"
    & skf21("7","2","6","2","1","6","6","1") = "6"
    & skf21("7","2","6","2","1","6","7","1") = "6"
    & skf21("7","2","6","2","1","7","1","1") = "6"
    & skf21("7","2","6","2","1","7","2","1") = "6"
    & skf21("7","2","6","2","1","7","3","1") = "6"
    & skf21("7","2","6","2","1","7","4","1") = "6"
    & skf21("7","2","6","2","1","7","5","1") = "6"
    & skf21("7","2","6","2","1","7","6","1") = "6"
    & skf21("7","2","6","2","1","7","7","1") = "6"
    & skf21("7","2","6","2","2","1","1","1") = "6"
    & skf21("7","2","6","2","2","1","2","1") = "6"
    & skf21("7","2","6","2","2","1","3","1") = "6"
    & skf21("7","2","6","2","2","1","4","1") = "6"
    & skf21("7","2","6","2","2","1","5","1") = "6"
    & skf21("7","2","6","2","2","1","6","1") = "6"
    & skf21("7","2","6","2","2","1","7","1") = "6"
    & skf21("7","2","6","2","2","2","1","1") = "6"
    & skf21("7","2","6","2","2","2","2","1") = "6"
    & skf21("7","2","6","2","2","2","3","1") = "6"
    & skf21("7","2","6","2","2","2","4","1") = "6"
    & skf21("7","2","6","2","2","2","5","1") = "6"
    & skf21("7","2","6","2","2","2","6","1") = "6"
    & skf21("7","2","6","2","2","2","7","1") = "6"
    & skf21("7","2","6","2","2","3","1","1") = "6"
    & skf21("7","2","6","2","2","3","2","1") = "6"
    & skf21("7","2","6","2","2","3","3","1") = "6"
    & skf21("7","2","6","2","2","3","4","1") = "6"
    & skf21("7","2","6","2","2","3","5","1") = "6"
    & skf21("7","2","6","2","2","3","6","1") = "6"
    & skf21("7","2","6","2","2","3","7","1") = "6"
    & skf21("7","2","6","2","2","4","1","1") = "6"
    & skf21("7","2","6","2","2","4","2","1") = "6"
    & skf21("7","2","6","2","2","4","3","1") = "6"
    & skf21("7","2","6","2","2","4","4","1") = "6"
    & skf21("7","2","6","2","2","4","5","1") = "6"
    & skf21("7","2","6","2","2","4","6","1") = "6"
    & skf21("7","2","6","2","2","4","7","1") = "6"
    & skf21("7","2","6","2","2","5","1","1") = "6"
    & skf21("7","2","6","2","2","5","2","1") = "6"
    & skf21("7","2","6","2","2","5","3","1") = "6"
    & skf21("7","2","6","2","2","5","4","1") = "6"
    & skf21("7","2","6","2","2","5","5","1") = "6"
    & skf21("7","2","6","2","2","5","6","1") = "6"
    & skf21("7","2","6","2","2","5","7","1") = "6"
    & skf21("7","2","6","2","2","6","1","1") = "6"
    & skf21("7","2","6","2","2","6","2","1") = "6"
    & skf21("7","2","6","2","2","6","3","1") = "6"
    & skf21("7","2","6","2","2","6","4","1") = "6"
    & skf21("7","2","6","2","2","6","5","1") = "6"
    & skf21("7","2","6","2","2","6","6","1") = "6"
    & skf21("7","2","6","2","2","6","7","1") = "6"
    & skf21("7","2","6","2","2","7","1","1") = "6"
    & skf21("7","2","6","2","2","7","2","1") = "6"
    & skf21("7","2","6","2","2","7","3","1") = "6"
    & skf21("7","2","6","2","2","7","4","1") = "6"
    & skf21("7","2","6","2","2","7","5","1") = "6"
    & skf21("7","2","6","2","2","7","6","1") = "6"
    & skf21("7","2","6","2","2","7","7","1") = "6"
    & skf21("7","2","6","2","3","1","1","1") = "6"
    & skf21("7","2","6","2","3","1","2","1") = "6"
    & skf21("7","2","6","2","3","1","3","1") = "6"
    & skf21("7","2","6","2","3","1","4","1") = "6"
    & skf21("7","2","6","2","3","1","5","1") = "6"
    & skf21("7","2","6","2","3","1","6","1") = "6"
    & skf21("7","2","6","2","3","1","7","1") = "6"
    & skf21("7","2","6","2","3","2","1","1") = "6"
    & skf21("7","2","6","2","3","2","2","1") = "6"
    & skf21("7","2","6","2","3","2","3","1") = "6"
    & skf21("7","2","6","2","3","2","4","1") = "6"
    & skf21("7","2","6","2","3","2","5","1") = "6"
    & skf21("7","2","6","2","3","2","6","1") = "6"
    & skf21("7","2","6","2","3","2","7","1") = "6"
    & skf21("7","2","6","2","3","3","1","1") = "6"
    & skf21("7","2","6","2","3","3","2","1") = "6"
    & skf21("7","2","6","2","3","3","3","1") = "6"
    & skf21("7","2","6","2","3","3","4","1") = "6"
    & skf21("7","2","6","2","3","3","5","1") = "6"
    & skf21("7","2","6","2","3","3","6","1") = "6"
    & skf21("7","2","6","2","3","3","7","1") = "6"
    & skf21("7","2","6","2","3","4","1","1") = "6"
    & skf21("7","2","6","2","3","4","2","1") = "6"
    & skf21("7","2","6","2","3","4","3","1") = "6"
    & skf21("7","2","6","2","3","4","4","1") = "6"
    & skf21("7","2","6","2","3","4","5","1") = "6"
    & skf21("7","2","6","2","3","4","6","1") = "6"
    & skf21("7","2","6","2","3","4","7","1") = "6"
    & skf21("7","2","6","2","3","5","1","1") = "6"
    & skf21("7","2","6","2","3","5","2","1") = "6"
    & skf21("7","2","6","2","3","5","3","1") = "6"
    & skf21("7","2","6","2","3","5","4","1") = "6"
    & skf21("7","2","6","2","3","5","5","1") = "6"
    & skf21("7","2","6","2","3","5","6","1") = "6"
    & skf21("7","2","6","2","3","5","7","1") = "6"
    & skf21("7","2","6","2","3","6","1","1") = "6"
    & skf21("7","2","6","2","3","6","2","1") = "6"
    & skf21("7","2","6","2","3","6","3","1") = "6"
    & skf21("7","2","6","2","3","6","4","1") = "6"
    & skf21("7","2","6","2","3","6","5","1") = "6"
    & skf21("7","2","6","2","3","6","6","1") = "6"
    & skf21("7","2","6","2","3","6","7","1") = "6"
    & skf21("7","2","6","2","3","7","1","1") = "6"
    & skf21("7","2","6","2","3","7","2","1") = "6"
    & skf21("7","2","6","2","3","7","3","1") = "6"
    & skf21("7","2","6","2","3","7","4","1") = "6"
    & skf21("7","2","6","2","3","7","5","1") = "6"
    & skf21("7","2","6","2","3","7","6","1") = "6"
    & skf21("7","2","6","2","3","7","7","1") = "6"
    & skf21("7","2","6","2","4","1","1","1") = "6"
    & skf21("7","2","6","2","4","1","2","1") = "6"
    & skf21("7","2","6","2","4","1","3","1") = "6"
    & skf21("7","2","6","2","4","1","4","1") = "6"
    & skf21("7","2","6","2","4","1","5","1") = "6"
    & skf21("7","2","6","2","4","1","6","1") = "6"
    & skf21("7","2","6","2","4","1","7","1") = "6"
    & skf21("7","2","6","2","4","2","1","1") = "6"
    & skf21("7","2","6","2","4","2","2","1") = "6"
    & skf21("7","2","6","2","4","2","3","1") = "6"
    & skf21("7","2","6","2","4","2","4","1") = "6"
    & skf21("7","2","6","2","4","2","5","1") = "6"
    & skf21("7","2","6","2","4","2","6","1") = "6"
    & skf21("7","2","6","2","4","2","7","1") = "6"
    & skf21("7","2","6","2","4","3","1","1") = "6"
    & skf21("7","2","6","2","4","3","2","1") = "6"
    & skf21("7","2","6","2","4","3","3","1") = "6"
    & skf21("7","2","6","2","4","3","4","1") = "6"
    & skf21("7","2","6","2","4","3","5","1") = "6"
    & skf21("7","2","6","2","4","3","6","1") = "6"
    & skf21("7","2","6","2","4","3","7","1") = "6"
    & skf21("7","2","6","2","4","4","1","1") = "6"
    & skf21("7","2","6","2","4","4","2","1") = "6"
    & skf21("7","2","6","2","4","4","3","1") = "6"
    & skf21("7","2","6","2","4","4","4","1") = "6"
    & skf21("7","2","6","2","4","4","5","1") = "6"
    & skf21("7","2","6","2","4","4","6","1") = "6"
    & skf21("7","2","6","2","4","4","7","1") = "6"
    & skf21("7","2","6","2","4","5","1","1") = "6"
    & skf21("7","2","6","2","4","5","2","1") = "6"
    & skf21("7","2","6","2","4","5","3","1") = "6"
    & skf21("7","2","6","2","4","5","4","1") = "6"
    & skf21("7","2","6","2","4","5","5","1") = "6"
    & skf21("7","2","6","2","4","5","6","1") = "6"
    & skf21("7","2","6","2","4","5","7","1") = "6"
    & skf21("7","2","6","2","4","6","1","1") = "6"
    & skf21("7","2","6","2","4","6","2","1") = "6"
    & skf21("7","2","6","2","4","6","3","1") = "6"
    & skf21("7","2","6","2","4","6","4","1") = "6"
    & skf21("7","2","6","2","4","6","5","1") = "6"
    & skf21("7","2","6","2","4","6","6","1") = "6"
    & skf21("7","2","6","2","4","6","7","1") = "6"
    & skf21("7","2","6","2","4","7","1","1") = "6"
    & skf21("7","2","6","2","4","7","2","1") = "6"
    & skf21("7","2","6","2","4","7","3","1") = "6"
    & skf21("7","2","6","2","4","7","4","1") = "6"
    & skf21("7","2","6","2","4","7","5","1") = "6"
    & skf21("7","2","6","2","4","7","6","1") = "6"
    & skf21("7","2","6","2","4","7","7","1") = "6"
    & skf21("7","2","6","2","5","1","1","1") = "6"
    & skf21("7","2","6","2","5","1","2","1") = "6"
    & skf21("7","2","6","2","5","1","3","1") = "6"
    & skf21("7","2","6","2","5","1","4","1") = "6"
    & skf21("7","2","6","2","5","1","5","1") = "6"
    & skf21("7","2","6","2","5","1","6","1") = "6"
    & skf21("7","2","6","2","5","1","7","1") = "6"
    & skf21("7","2","6","2","5","2","1","1") = "6"
    & skf21("7","2","6","2","5","2","2","1") = "6"
    & skf21("7","2","6","2","5","2","3","1") = "6"
    & skf21("7","2","6","2","5","2","4","1") = "6"
    & skf21("7","2","6","2","5","2","5","1") = "6"
    & skf21("7","2","6","2","5","2","6","1") = "6"
    & skf21("7","2","6","2","5","2","7","1") = "6"
    & skf21("7","2","6","2","5","3","1","1") = "6"
    & skf21("7","2","6","2","5","3","2","1") = "6"
    & skf21("7","2","6","2","5","3","3","1") = "6"
    & skf21("7","2","6","2","5","3","4","1") = "6"
    & skf21("7","2","6","2","5","3","5","1") = "6"
    & skf21("7","2","6","2","5","3","6","1") = "6"
    & skf21("7","2","6","2","5","3","7","1") = "6"
    & skf21("7","2","6","2","5","4","1","1") = "6"
    & skf21("7","2","6","2","5","4","2","1") = "6"
    & skf21("7","2","6","2","5","4","3","1") = "6"
    & skf21("7","2","6","2","5","4","4","1") = "6"
    & skf21("7","2","6","2","5","4","5","1") = "6"
    & skf21("7","2","6","2","5","4","6","1") = "6"
    & skf21("7","2","6","2","5","4","7","1") = "6"
    & skf21("7","2","6","2","5","5","1","1") = "6"
    & skf21("7","2","6","2","5","5","2","1") = "6"
    & skf21("7","2","6","2","5","5","3","1") = "6"
    & skf21("7","2","6","2","5","5","4","1") = "6"
    & skf21("7","2","6","2","5","5","5","1") = "6"
    & skf21("7","2","6","2","5","5","6","1") = "6"
    & skf21("7","2","6","2","5","5","7","1") = "6"
    & skf21("7","2","6","2","5","6","1","1") = "6"
    & skf21("7","2","6","2","5","6","2","1") = "6"
    & skf21("7","2","6","2","5","6","3","1") = "6"
    & skf21("7","2","6","2","5","6","4","1") = "6"
    & skf21("7","2","6","2","5","6","5","1") = "6"
    & skf21("7","2","6","2","5","6","6","1") = "6"
    & skf21("7","2","6","2","5","6","7","1") = "6"
    & skf21("7","2","6","2","5","7","1","1") = "6"
    & skf21("7","2","6","2","5","7","2","1") = "6"
    & skf21("7","2","6","2","5","7","3","1") = "6"
    & skf21("7","2","6","2","5","7","4","1") = "6"
    & skf21("7","2","6","2","5","7","5","1") = "6"
    & skf21("7","2","6","2","5","7","6","1") = "6"
    & skf21("7","2","6","2","5","7","7","1") = "6"
    & skf21("7","2","6","2","6","1","1","1") = "6"
    & skf21("7","2","6","2","6","1","2","1") = "6"
    & skf21("7","2","6","2","6","1","3","1") = "6"
    & skf21("7","2","6","2","6","1","4","1") = "6"
    & skf21("7","2","6","2","6","1","5","1") = "6"
    & skf21("7","2","6","2","6","1","6","1") = "6"
    & skf21("7","2","6","2","6","1","7","1") = "6"
    & skf21("7","2","6","2","6","2","1","1") = "6"
    & skf21("7","2","6","2","6","2","2","1") = "6"
    & skf21("7","2","6","2","6","2","3","1") = "6"
    & skf21("7","2","6","2","6","2","4","1") = "6"
    & skf21("7","2","6","2","6","2","5","1") = "6"
    & skf21("7","2","6","2","6","2","6","1") = "6"
    & skf21("7","2","6","2","6","2","7","1") = "6"
    & skf21("7","2","6","2","6","3","1","1") = "6"
    & skf21("7","2","6","2","6","3","2","1") = "6"
    & skf21("7","2","6","2","6","3","3","1") = "6"
    & skf21("7","2","6","2","6","3","4","1") = "6"
    & skf21("7","2","6","2","6","3","5","1") = "6"
    & skf21("7","2","6","2","6","3","6","1") = "6"
    & skf21("7","2","6","2","6","3","7","1") = "6"
    & skf21("7","2","6","2","6","4","1","1") = "6"
    & skf21("7","2","6","2","6","4","2","1") = "6"
    & skf21("7","2","6","2","6","4","3","1") = "6"
    & skf21("7","2","6","2","6","4","4","1") = "6"
    & skf21("7","2","6","2","6","4","5","1") = "6"
    & skf21("7","2","6","2","6","4","6","1") = "6"
    & skf21("7","2","6","2","6","4","7","1") = "6"
    & skf21("7","2","6","2","6","5","1","1") = "6"
    & skf21("7","2","6","2","6","5","2","1") = "6"
    & skf21("7","2","6","2","6","5","3","1") = "6"
    & skf21("7","2","6","2","6","5","4","1") = "6"
    & skf21("7","2","6","2","6","5","5","1") = "6"
    & skf21("7","2","6","2","6","5","6","1") = "6"
    & skf21("7","2","6","2","6","5","7","1") = "6"
    & skf21("7","2","6","2","6","6","1","1") = "6"
    & skf21("7","2","6","2","6","6","2","1") = "6"
    & skf21("7","2","6","2","6","6","3","1") = "6"
    & skf21("7","2","6","2","6","6","4","1") = "6"
    & skf21("7","2","6","2","6","6","5","1") = "6"
    & skf21("7","2","6","2","6","6","6","1") = "6"
    & skf21("7","2","6","2","6","6","7","1") = "6"
    & skf21("7","2","6","2","6","7","1","1") = "6"
    & skf21("7","2","6","2","6","7","2","1") = "6"
    & skf21("7","2","6","2","6","7","3","1") = "6"
    & skf21("7","2","6","2","6","7","4","1") = "6"
    & skf21("7","2","6","2","6","7","5","1") = "6"
    & skf21("7","2","6","2","6","7","6","1") = "6"
    & skf21("7","2","6","2","6","7","7","1") = "6"
    & skf21("7","2","6","2","7","1","1","1") = "6"
    & skf21("7","2","6","2","7","1","2","1") = "6"
    & skf21("7","2","6","2","7","1","3","1") = "6"
    & skf21("7","2","6","2","7","1","4","1") = "6"
    & skf21("7","2","6","2","7","1","5","1") = "6"
    & skf21("7","2","6","2","7","1","6","1") = "6"
    & skf21("7","2","6","2","7","1","7","1") = "6"
    & skf21("7","2","6","2","7","2","1","1") = "6"
    & skf21("7","2","6","2","7","2","2","1") = "6"
    & skf21("7","2","6","2","7","2","3","1") = "6"
    & skf21("7","2","6","2","7","2","4","1") = "6"
    & skf21("7","2","6","2","7","2","5","1") = "6"
    & skf21("7","2","6","2","7","2","6","1") = "6"
    & skf21("7","2","6","2","7","2","7","1") = "6"
    & skf21("7","2","6","2","7","3","1","1") = "6"
    & skf21("7","2","6","2","7","3","2","1") = "6"
    & skf21("7","2","6","2","7","3","3","1") = "6"
    & skf21("7","2","6","2","7","3","4","1") = "6"
    & skf21("7","2","6","2","7","3","5","1") = "6"
    & skf21("7","2","6","2","7","3","6","1") = "6"
    & skf21("7","2","6","2","7","3","7","1") = "6"
    & skf21("7","2","6","2","7","4","1","1") = "6"
    & skf21("7","2","6","2","7","4","2","1") = "6"
    & skf21("7","2","6","2","7","4","3","1") = "6"
    & skf21("7","2","6","2","7","4","4","1") = "6"
    & skf21("7","2","6","2","7","4","5","1") = "6"
    & skf21("7","2","6","2","7","4","6","1") = "6"
    & skf21("7","2","6","2","7","4","7","1") = "6"
    & skf21("7","2","6","2","7","5","1","1") = "6"
    & skf21("7","2","6","2","7","5","2","1") = "6"
    & skf21("7","2","6","2","7","5","3","1") = "6"
    & skf21("7","2","6","2","7","5","4","1") = "6"
    & skf21("7","2","6","2","7","5","5","1") = "6"
    & skf21("7","2","6","2","7","5","6","1") = "6"
    & skf21("7","2","6","2","7","5","7","1") = "6"
    & skf21("7","2","6","2","7","6","1","1") = "6"
    & skf21("7","2","6","2","7","6","2","1") = "6"
    & skf21("7","2","6","2","7","6","3","1") = "6"
    & skf21("7","2","6","2","7","6","4","1") = "6"
    & skf21("7","2","6","2","7","6","5","1") = "6"
    & skf21("7","2","6","2","7","6","6","1") = "6"
    & skf21("7","2","6","2","7","6","7","1") = "6"
    & skf21("7","2","6","2","7","7","1","1") = "6"
    & skf21("7","2","6","2","7","7","2","1") = "6"
    & skf21("7","2","6","2","7","7","3","1") = "6"
    & skf21("7","2","6","2","7","7","4","1") = "6"
    & skf21("7","2","6","2","7","7","5","1") = "6"
    & skf21("7","2","6","2","7","7","6","1") = "6"
    & skf21("7","2","6","2","7","7","7","1") = "6"
    & skf21("7","2","6","3","1","1","1","1") = "6"
    & skf21("7","2","6","3","1","1","2","1") = "6"
    & skf21("7","2","6","3","1","1","3","1") = "6"
    & skf21("7","2","6","3","1","1","4","1") = "6"
    & skf21("7","2","6","3","1","1","5","1") = "6"
    & skf21("7","2","6","3","1","1","6","1") = "6"
    & skf21("7","2","6","3","1","1","7","1") = "6"
    & skf21("7","2","6","3","1","2","1","1") = "6"
    & skf21("7","2","6","3","1","2","2","1") = "6"
    & skf21("7","2","6","3","1","2","3","1") = "6"
    & skf21("7","2","6","3","1","2","4","1") = "6"
    & skf21("7","2","6","3","1","2","5","1") = "6"
    & skf21("7","2","6","3","1","2","6","1") = "6"
    & skf21("7","2","6","3","1","2","7","1") = "6"
    & skf21("7","2","6","3","1","3","1","1") = "6"
    & skf21("7","2","6","3","1","3","2","1") = "6"
    & skf21("7","2","6","3","1","3","3","1") = "6"
    & skf21("7","2","6","3","1","3","4","1") = "6"
    & skf21("7","2","6","3","1","3","5","1") = "6"
    & skf21("7","2","6","3","1","3","6","1") = "6"
    & skf21("7","2","6","3","1","3","7","1") = "6"
    & skf21("7","2","6","3","1","4","1","1") = "6"
    & skf21("7","2","6","3","1","4","2","1") = "6"
    & skf21("7","2","6","3","1","4","3","1") = "6"
    & skf21("7","2","6","3","1","4","4","1") = "6"
    & skf21("7","2","6","3","1","4","5","1") = "6"
    & skf21("7","2","6","3","1","4","6","1") = "6"
    & skf21("7","2","6","3","1","4","7","1") = "6"
    & skf21("7","2","6","3","1","5","1","1") = "6"
    & skf21("7","2","6","3","1","5","2","1") = "6"
    & skf21("7","2","6","3","1","5","3","1") = "6"
    & skf21("7","2","6","3","1","5","4","1") = "6"
    & skf21("7","2","6","3","1","5","5","1") = "6"
    & skf21("7","2","6","3","1","5","6","1") = "6"
    & skf21("7","2","6","3","1","5","7","1") = "6"
    & skf21("7","2","6","3","1","6","1","1") = "6"
    & skf21("7","2","6","3","1","6","2","1") = "6"
    & skf21("7","2","6","3","1","6","3","1") = "6"
    & skf21("7","2","6","3","1","6","4","1") = "6"
    & skf21("7","2","6","3","1","6","5","1") = "6"
    & skf21("7","2","6","3","1","6","6","1") = "6"
    & skf21("7","2","6","3","1","6","7","1") = "6"
    & skf21("7","2","6","3","1","7","1","1") = "6"
    & skf21("7","2","6","3","1","7","2","1") = "6"
    & skf21("7","2","6","3","1","7","3","1") = "6"
    & skf21("7","2","6","3","1","7","4","1") = "6"
    & skf21("7","2","6","3","1","7","5","1") = "6"
    & skf21("7","2","6","3","1","7","6","1") = "6"
    & skf21("7","2","6","3","1","7","7","1") = "6"
    & skf21("7","2","6","3","2","1","1","1") = "6"
    & skf21("7","2","6","3","2","1","2","1") = "6"
    & skf21("7","2","6","3","2","1","3","1") = "6"
    & skf21("7","2","6","3","2","1","4","1") = "6"
    & skf21("7","2","6","3","2","1","5","1") = "6"
    & skf21("7","2","6","3","2","1","6","1") = "6"
    & skf21("7","2","6","3","2","1","7","1") = "6"
    & skf21("7","2","6","3","2","2","1","1") = "6"
    & skf21("7","2","6","3","2","2","2","1") = "6"
    & skf21("7","2","6","3","2","2","3","1") = "6"
    & skf21("7","2","6","3","2","2","4","1") = "6"
    & skf21("7","2","6","3","2","2","5","1") = "6"
    & skf21("7","2","6","3","2","2","6","1") = "6"
    & skf21("7","2","6","3","2","2","7","1") = "6"
    & skf21("7","2","6","3","2","3","1","1") = "6"
    & skf21("7","2","6","3","2","3","2","1") = "6"
    & skf21("7","2","6","3","2","3","3","1") = "6"
    & skf21("7","2","6","3","2","3","4","1") = "6"
    & skf21("7","2","6","3","2","3","5","1") = "6"
    & skf21("7","2","6","3","2","3","6","1") = "6"
    & skf21("7","2","6","3","2","3","7","1") = "6"
    & skf21("7","2","6","3","2","4","1","1") = "6"
    & skf21("7","2","6","3","2","4","2","1") = "6"
    & skf21("7","2","6","3","2","4","3","1") = "6"
    & skf21("7","2","6","3","2","4","4","1") = "6"
    & skf21("7","2","6","3","2","4","5","1") = "6"
    & skf21("7","2","6","3","2","4","6","1") = "6"
    & skf21("7","2","6","3","2","4","7","1") = "6"
    & skf21("7","2","6","3","2","5","1","1") = "6"
    & skf21("7","2","6","3","2","5","2","1") = "6"
    & skf21("7","2","6","3","2","5","3","1") = "6"
    & skf21("7","2","6","3","2","5","4","1") = "6"
    & skf21("7","2","6","3","2","5","5","1") = "6"
    & skf21("7","2","6","3","2","5","6","1") = "6"
    & skf21("7","2","6","3","2","5","7","1") = "6"
    & skf21("7","2","6","3","2","6","1","1") = "6"
    & skf21("7","2","6","3","2","6","2","1") = "6"
    & skf21("7","2","6","3","2","6","3","1") = "6"
    & skf21("7","2","6","3","2","6","4","1") = "6"
    & skf21("7","2","6","3","2","6","5","1") = "6"
    & skf21("7","2","6","3","2","6","6","1") = "6"
    & skf21("7","2","6","3","2","6","7","1") = "6"
    & skf21("7","2","6","3","2","7","1","1") = "6"
    & skf21("7","2","6","3","2","7","2","1") = "6"
    & skf21("7","2","6","3","2","7","3","1") = "6"
    & skf21("7","2","6","3","2","7","4","1") = "6"
    & skf21("7","2","6","3","2","7","5","1") = "6"
    & skf21("7","2","6","3","2","7","6","1") = "6"
    & skf21("7","2","6","3","2","7","7","1") = "6"
    & skf21("7","2","6","3","3","1","1","1") = "6"
    & skf21("7","2","6","3","3","1","2","1") = "6"
    & skf21("7","2","6","3","3","1","3","1") = "6"
    & skf21("7","2","6","3","3","1","4","1") = "6"
    & skf21("7","2","6","3","3","1","5","1") = "6"
    & skf21("7","2","6","3","3","1","6","1") = "6"
    & skf21("7","2","6","3","3","1","7","1") = "6"
    & skf21("7","2","6","3","3","2","1","1") = "6"
    & skf21("7","2","6","3","3","2","2","1") = "6"
    & skf21("7","2","6","3","3","2","3","1") = "6"
    & skf21("7","2","6","3","3","2","4","1") = "6"
    & skf21("7","2","6","3","3","2","5","1") = "6"
    & skf21("7","2","6","3","3","2","6","1") = "6"
    & skf21("7","2","6","3","3","2","7","1") = "6"
    & skf21("7","2","6","3","3","3","1","1") = "6"
    & skf21("7","2","6","3","3","3","2","1") = "6"
    & skf21("7","2","6","3","3","3","3","1") = "6"
    & skf21("7","2","6","3","3","3","4","1") = "6"
    & skf21("7","2","6","3","3","3","5","1") = "6"
    & skf21("7","2","6","3","3","3","6","1") = "6"
    & skf21("7","2","6","3","3","3","7","1") = "6"
    & skf21("7","2","6","3","3","4","1","1") = "6"
    & skf21("7","2","6","3","3","4","2","1") = "6"
    & skf21("7","2","6","3","3","4","3","1") = "6"
    & skf21("7","2","6","3","3","4","4","1") = "6"
    & skf21("7","2","6","3","3","4","5","1") = "6"
    & skf21("7","2","6","3","3","4","6","1") = "6"
    & skf21("7","2","6","3","3","4","7","1") = "6"
    & skf21("7","2","6","3","3","5","1","1") = "6"
    & skf21("7","2","6","3","3","5","2","1") = "6"
    & skf21("7","2","6","3","3","5","3","1") = "6"
    & skf21("7","2","6","3","3","5","4","1") = "6"
    & skf21("7","2","6","3","3","5","5","1") = "6"
    & skf21("7","2","6","3","3","5","6","1") = "6"
    & skf21("7","2","6","3","3","5","7","1") = "6"
    & skf21("7","2","6","3","3","6","1","1") = "6"
    & skf21("7","2","6","3","3","6","2","1") = "6"
    & skf21("7","2","6","3","3","6","3","1") = "6"
    & skf21("7","2","6","3","3","6","4","1") = "6"
    & skf21("7","2","6","3","3","6","5","1") = "6"
    & skf21("7","2","6","3","3","6","6","1") = "6"
    & skf21("7","2","6","3","3","6","7","1") = "6"
    & skf21("7","2","6","3","3","7","1","1") = "6"
    & skf21("7","2","6","3","3","7","2","1") = "6"
    & skf21("7","2","6","3","3","7","3","1") = "6"
    & skf21("7","2","6","3","3","7","4","1") = "6"
    & skf21("7","2","6","3","3","7","5","1") = "6"
    & skf21("7","2","6","3","3","7","6","1") = "6"
    & skf21("7","2","6","3","3","7","7","1") = "6"
    & skf21("7","2","6","3","4","1","1","1") = "6"
    & skf21("7","2","6","3","4","1","2","1") = "6"
    & skf21("7","2","6","3","4","1","3","1") = "6"
    & skf21("7","2","6","3","4","1","4","1") = "6"
    & skf21("7","2","6","3","4","1","5","1") = "6"
    & skf21("7","2","6","3","4","1","6","1") = "6"
    & skf21("7","2","6","3","4","1","7","1") = "6"
    & skf21("7","2","6","3","4","2","1","1") = "6"
    & skf21("7","2","6","3","4","2","2","1") = "6"
    & skf21("7","2","6","3","4","2","3","1") = "6"
    & skf21("7","2","6","3","4","2","4","1") = "6"
    & skf21("7","2","6","3","4","2","5","1") = "6"
    & skf21("7","2","6","3","4","2","6","1") = "6"
    & skf21("7","2","6","3","4","2","7","1") = "6"
    & skf21("7","2","6","3","4","3","1","1") = "6"
    & skf21("7","2","6","3","4","3","2","1") = "6"
    & skf21("7","2","6","3","4","3","3","1") = "6"
    & skf21("7","2","6","3","4","3","4","1") = "6"
    & skf21("7","2","6","3","4","3","5","1") = "6"
    & skf21("7","2","6","3","4","3","6","1") = "6"
    & skf21("7","2","6","3","4","3","7","1") = "6"
    & skf21("7","2","6","3","4","4","1","1") = "6"
    & skf21("7","2","6","3","4","4","2","1") = "6"
    & skf21("7","2","6","3","4","4","3","1") = "6"
    & skf21("7","2","6","3","4","4","4","1") = "6"
    & skf21("7","2","6","3","4","4","5","1") = "6"
    & skf21("7","2","6","3","4","4","6","1") = "6"
    & skf21("7","2","6","3","4","4","7","1") = "6"
    & skf21("7","2","6","3","4","5","1","1") = "6"
    & skf21("7","2","6","3","4","5","2","1") = "6"
    & skf21("7","2","6","3","4","5","3","1") = "6"
    & skf21("7","2","6","3","4","5","4","1") = "6"
    & skf21("7","2","6","3","4","5","5","1") = "6"
    & skf21("7","2","6","3","4","5","6","1") = "6"
    & skf21("7","2","6","3","4","5","7","1") = "6"
    & skf21("7","2","6","3","4","6","1","1") = "6"
    & skf21("7","2","6","3","4","6","2","1") = "6"
    & skf21("7","2","6","3","4","6","3","1") = "6"
    & skf21("7","2","6","3","4","6","4","1") = "6"
    & skf21("7","2","6","3","4","6","5","1") = "6"
    & skf21("7","2","6","3","4","6","6","1") = "6"
    & skf21("7","2","6","3","4","6","7","1") = "6"
    & skf21("7","2","6","3","4","7","1","1") = "6"
    & skf21("7","2","6","3","4","7","2","1") = "6"
    & skf21("7","2","6","3","4","7","3","1") = "6"
    & skf21("7","2","6","3","4","7","4","1") = "6"
    & skf21("7","2","6","3","4","7","5","1") = "6"
    & skf21("7","2","6","3","4","7","6","1") = "6"
    & skf21("7","2","6","3","4","7","7","1") = "6"
    & skf21("7","2","6","3","5","1","1","1") = "6"
    & skf21("7","2","6","3","5","1","2","1") = "6"
    & skf21("7","2","6","3","5","1","3","1") = "6"
    & skf21("7","2","6","3","5","1","4","1") = "6"
    & skf21("7","2","6","3","5","1","5","1") = "6"
    & skf21("7","2","6","3","5","1","6","1") = "6"
    & skf21("7","2","6","3","5","1","7","1") = "6"
    & skf21("7","2","6","3","5","2","1","1") = "6"
    & skf21("7","2","6","3","5","2","2","1") = "6"
    & skf21("7","2","6","3","5","2","3","1") = "6"
    & skf21("7","2","6","3","5","2","4","1") = "6"
    & skf21("7","2","6","3","5","2","5","1") = "6"
    & skf21("7","2","6","3","5","2","6","1") = "6"
    & skf21("7","2","6","3","5","2","7","1") = "6"
    & skf21("7","2","6","3","5","3","1","1") = "6"
    & skf21("7","2","6","3","5","3","2","1") = "6"
    & skf21("7","2","6","3","5","3","3","1") = "6"
    & skf21("7","2","6","3","5","3","4","1") = "6"
    & skf21("7","2","6","3","5","3","5","1") = "6"
    & skf21("7","2","6","3","5","3","6","1") = "6"
    & skf21("7","2","6","3","5","3","7","1") = "6"
    & skf21("7","2","6","3","5","4","1","1") = "6"
    & skf21("7","2","6","3","5","4","2","1") = "6"
    & skf21("7","2","6","3","5","4","3","1") = "6"
    & skf21("7","2","6","3","5","4","4","1") = "6"
    & skf21("7","2","6","3","5","4","5","1") = "6"
    & skf21("7","2","6","3","5","4","6","1") = "6"
    & skf21("7","2","6","3","5","4","7","1") = "6"
    & skf21("7","2","6","3","5","5","1","1") = "6"
    & skf21("7","2","6","3","5","5","2","1") = "6"
    & skf21("7","2","6","3","5","5","3","1") = "6"
    & skf21("7","2","6","3","5","5","4","1") = "6"
    & skf21("7","2","6","3","5","5","5","1") = "6"
    & skf21("7","2","6","3","5","5","6","1") = "6"
    & skf21("7","2","6","3","5","5","7","1") = "6"
    & skf21("7","2","6","3","5","6","1","1") = "6"
    & skf21("7","2","6","3","5","6","2","1") = "6"
    & skf21("7","2","6","3","5","6","3","1") = "6"
    & skf21("7","2","6","3","5","6","4","1") = "6"
    & skf21("7","2","6","3","5","6","5","1") = "6"
    & skf21("7","2","6","3","5","6","6","1") = "6"
    & skf21("7","2","6","3","5","6","7","1") = "6"
    & skf21("7","2","6","3","5","7","1","1") = "6"
    & skf21("7","2","6","3","5","7","2","1") = "6"
    & skf21("7","2","6","3","5","7","3","1") = "6"
    & skf21("7","2","6","3","5","7","4","1") = "6"
    & skf21("7","2","6","3","5","7","5","1") = "6"
    & skf21("7","2","6","3","5","7","6","1") = "6"
    & skf21("7","2","6","3","5","7","7","1") = "6"
    & skf21("7","2","6","3","6","1","1","1") = "6"
    & skf21("7","2","6","3","6","1","2","1") = "6"
    & skf21("7","2","6","3","6","1","3","1") = "6"
    & skf21("7","2","6","3","6","1","4","1") = "6"
    & skf21("7","2","6","3","6","1","5","1") = "6"
    & skf21("7","2","6","3","6","1","6","1") = "6"
    & skf21("7","2","6","3","6","1","7","1") = "6"
    & skf21("7","2","6","3","6","2","1","1") = "6"
    & skf21("7","2","6","3","6","2","2","1") = "6"
    & skf21("7","2","6","3","6","2","3","1") = "6"
    & skf21("7","2","6","3","6","2","4","1") = "6"
    & skf21("7","2","6","3","6","2","5","1") = "6"
    & skf21("7","2","6","3","6","2","6","1") = "6"
    & skf21("7","2","6","3","6","2","7","1") = "6"
    & skf21("7","2","6","3","6","3","1","1") = "6"
    & skf21("7","2","6","3","6","3","2","1") = "6"
    & skf21("7","2","6","3","6","3","3","1") = "6"
    & skf21("7","2","6","3","6","3","4","1") = "6"
    & skf21("7","2","6","3","6","3","5","1") = "6"
    & skf21("7","2","6","3","6","3","6","1") = "6"
    & skf21("7","2","6","3","6","3","7","1") = "6"
    & skf21("7","2","6","3","6","4","1","1") = "6"
    & skf21("7","2","6","3","6","4","2","1") = "6"
    & skf21("7","2","6","3","6","4","3","1") = "6"
    & skf21("7","2","6","3","6","4","4","1") = "6"
    & skf21("7","2","6","3","6","4","5","1") = "6"
    & skf21("7","2","6","3","6","4","6","1") = "6"
    & skf21("7","2","6","3","6","4","7","1") = "6"
    & skf21("7","2","6","3","6","5","1","1") = "6"
    & skf21("7","2","6","3","6","5","2","1") = "6"
    & skf21("7","2","6","3","6","5","3","1") = "6"
    & skf21("7","2","6","3","6","5","4","1") = "6"
    & skf21("7","2","6","3","6","5","5","1") = "6"
    & skf21("7","2","6","3","6","5","6","1") = "6"
    & skf21("7","2","6","3","6","5","7","1") = "6"
    & skf21("7","2","6","3","6","6","1","1") = "6"
    & skf21("7","2","6","3","6","6","2","1") = "6"
    & skf21("7","2","6","3","6","6","3","1") = "6"
    & skf21("7","2","6","3","6","6","4","1") = "6"
    & skf21("7","2","6","3","6","6","5","1") = "6"
    & skf21("7","2","6","3","6","6","6","1") = "6"
    & skf21("7","2","6","3","6","6","7","1") = "6"
    & skf21("7","2","6","3","6","7","1","1") = "6"
    & skf21("7","2","6","3","6","7","2","1") = "6"
    & skf21("7","2","6","3","6","7","3","1") = "6"
    & skf21("7","2","6","3","6","7","4","1") = "6"
    & skf21("7","2","6","3","6","7","5","1") = "6"
    & skf21("7","2","6","3","6","7","6","1") = "6"
    & skf21("7","2","6","3","6","7","7","1") = "6"
    & skf21("7","2","6","3","7","1","1","1") = "6"
    & skf21("7","2","6","3","7","1","2","1") = "6"
    & skf21("7","2","6","3","7","1","3","1") = "6"
    & skf21("7","2","6","3","7","1","4","1") = "6"
    & skf21("7","2","6","3","7","1","5","1") = "6"
    & skf21("7","2","6","3","7","1","6","1") = "6"
    & skf21("7","2","6","3","7","1","7","1") = "6"
    & skf21("7","2","6","3","7","2","1","1") = "6"
    & skf21("7","2","6","3","7","2","2","1") = "6"
    & skf21("7","2","6","3","7","2","3","1") = "6"
    & skf21("7","2","6","3","7","2","4","1") = "6"
    & skf21("7","2","6","3","7","2","5","1") = "6"
    & skf21("7","2","6","3","7","2","6","1") = "6"
    & skf21("7","2","6","3","7","2","7","1") = "6"
    & skf21("7","2","6","3","7","3","1","1") = "6"
    & skf21("7","2","6","3","7","3","2","1") = "6"
    & skf21("7","2","6","3","7","3","3","1") = "6"
    & skf21("7","2","6","3","7","3","4","1") = "6"
    & skf21("7","2","6","3","7","3","5","1") = "6"
    & skf21("7","2","6","3","7","3","6","1") = "6"
    & skf21("7","2","6","3","7","3","7","1") = "6"
    & skf21("7","2","6","3","7","4","1","1") = "6"
    & skf21("7","2","6","3","7","4","2","1") = "6"
    & skf21("7","2","6","3","7","4","3","1") = "6"
    & skf21("7","2","6","3","7","4","4","1") = "6"
    & skf21("7","2","6","3","7","4","5","1") = "6"
    & skf21("7","2","6","3","7","4","6","1") = "6"
    & skf21("7","2","6","3","7","4","7","1") = "6"
    & skf21("7","2","6","3","7","5","1","1") = "6"
    & skf21("7","2","6","3","7","5","2","1") = "6"
    & skf21("7","2","6","3","7","5","3","1") = "6"
    & skf21("7","2","6","3","7","5","4","1") = "6"
    & skf21("7","2","6","3","7","5","5","1") = "6"
    & skf21("7","2","6","3","7","5","6","1") = "6"
    & skf21("7","2","6","3","7","5","7","1") = "6"
    & skf21("7","2","6","3","7","6","1","1") = "6"
    & skf21("7","2","6","3","7","6","2","1") = "6"
    & skf21("7","2","6","3","7","6","3","1") = "6"
    & skf21("7","2","6","3","7","6","4","1") = "6"
    & skf21("7","2","6","3","7","6","5","1") = "6"
    & skf21("7","2","6","3","7","6","6","1") = "6"
    & skf21("7","2","6","3","7","6","7","1") = "6"
    & skf21("7","2","6","3","7","7","1","1") = "6"
    & skf21("7","2","6","3","7","7","2","1") = "6"
    & skf21("7","2","6","3","7","7","3","1") = "6"
    & skf21("7","2","6","3","7","7","4","1") = "6"
    & skf21("7","2","6","3","7","7","5","1") = "6"
    & skf21("7","2","6","3","7","7","6","1") = "6"
    & skf21("7","2","6","3","7","7","7","1") = "6"
    & skf21("7","2","6","4","1","1","1","1") = "6"
    & skf21("7","2","6","4","1","1","2","1") = "6"
    & skf21("7","2","6","4","1","1","3","1") = "6"
    & skf21("7","2","6","4","1","1","4","1") = "6"
    & skf21("7","2","6","4","1","1","5","1") = "6"
    & skf21("7","2","6","4","1","1","6","1") = "6"
    & skf21("7","2","6","4","1","1","7","1") = "6"
    & skf21("7","2","6","4","1","2","1","1") = "6"
    & skf21("7","2","6","4","1","2","2","1") = "6"
    & skf21("7","2","6","4","1","2","3","1") = "6"
    & skf21("7","2","6","4","1","2","4","1") = "6"
    & skf21("7","2","6","4","1","2","5","1") = "6"
    & skf21("7","2","6","4","1","2","6","1") = "6"
    & skf21("7","2","6","4","1","2","7","1") = "6"
    & skf21("7","2","6","4","1","3","1","1") = "6"
    & skf21("7","2","6","4","1","3","2","1") = "6"
    & skf21("7","2","6","4","1","3","3","1") = "6"
    & skf21("7","2","6","4","1","3","4","1") = "6"
    & skf21("7","2","6","4","1","3","5","1") = "6"
    & skf21("7","2","6","4","1","3","6","1") = "6"
    & skf21("7","2","6","4","1","3","7","1") = "6"
    & skf21("7","2","6","4","1","4","1","1") = "6"
    & skf21("7","2","6","4","1","4","2","1") = "6"
    & skf21("7","2","6","4","1","4","3","1") = "6"
    & skf21("7","2","6","4","1","4","4","1") = "6"
    & skf21("7","2","6","4","1","4","5","1") = "6"
    & skf21("7","2","6","4","1","4","6","1") = "6"
    & skf21("7","2","6","4","1","4","7","1") = "6"
    & skf21("7","2","6","4","1","5","1","1") = "6"
    & skf21("7","2","6","4","1","5","2","1") = "6"
    & skf21("7","2","6","4","1","5","3","1") = "6"
    & skf21("7","2","6","4","1","5","4","1") = "6"
    & skf21("7","2","6","4","1","5","5","1") = "6"
    & skf21("7","2","6","4","1","5","6","1") = "6"
    & skf21("7","2","6","4","1","5","7","1") = "6"
    & skf21("7","2","6","4","1","6","1","1") = "6"
    & skf21("7","2","6","4","1","6","2","1") = "6"
    & skf21("7","2","6","4","1","6","3","1") = "6"
    & skf21("7","2","6","4","1","6","4","1") = "6"
    & skf21("7","2","6","4","1","6","5","1") = "6"
    & skf21("7","2","6","4","1","6","6","1") = "6"
    & skf21("7","2","6","4","1","6","7","1") = "6"
    & skf21("7","2","6","4","1","7","1","1") = "6"
    & skf21("7","2","6","4","1","7","2","1") = "6"
    & skf21("7","2","6","4","1","7","3","1") = "6"
    & skf21("7","2","6","4","1","7","4","1") = "6"
    & skf21("7","2","6","4","1","7","5","1") = "6"
    & skf21("7","2","6","4","1","7","6","1") = "6"
    & skf21("7","2","6","4","1","7","7","1") = "6"
    & skf21("7","2","6","4","2","1","1","1") = "6"
    & skf21("7","2","6","4","2","1","2","1") = "6"
    & skf21("7","2","6","4","2","1","3","1") = "6"
    & skf21("7","2","6","4","2","1","4","1") = "6"
    & skf21("7","2","6","4","2","1","5","1") = "6"
    & skf21("7","2","6","4","2","1","6","1") = "6"
    & skf21("7","2","6","4","2","1","7","1") = "6"
    & skf21("7","2","6","4","2","2","1","1") = "6"
    & skf21("7","2","6","4","2","2","2","1") = "6"
    & skf21("7","2","6","4","2","2","3","1") = "6"
    & skf21("7","2","6","4","2","2","4","1") = "6"
    & skf21("7","2","6","4","2","2","5","1") = "6"
    & skf21("7","2","6","4","2","2","6","1") = "6"
    & skf21("7","2","6","4","2","2","7","1") = "6"
    & skf21("7","2","6","4","2","3","1","1") = "6"
    & skf21("7","2","6","4","2","3","2","1") = "6"
    & skf21("7","2","6","4","2","3","3","1") = "6"
    & skf21("7","2","6","4","2","3","4","1") = "6"
    & skf21("7","2","6","4","2","3","5","1") = "6"
    & skf21("7","2","6","4","2","3","6","1") = "6"
    & skf21("7","2","6","4","2","3","7","1") = "6"
    & skf21("7","2","6","4","2","4","1","1") = "6"
    & skf21("7","2","6","4","2","4","2","1") = "6"
    & skf21("7","2","6","4","2","4","3","1") = "6"
    & skf21("7","2","6","4","2","4","4","1") = "6"
    & skf21("7","2","6","4","2","4","5","1") = "6"
    & skf21("7","2","6","4","2","4","6","1") = "6"
    & skf21("7","2","6","4","2","4","7","1") = "6"
    & skf21("7","2","6","4","2","5","1","1") = "6"
    & skf21("7","2","6","4","2","5","2","1") = "6"
    & skf21("7","2","6","4","2","5","3","1") = "6"
    & skf21("7","2","6","4","2","5","4","1") = "6"
    & skf21("7","2","6","4","2","5","5","1") = "6"
    & skf21("7","2","6","4","2","5","6","1") = "6"
    & skf21("7","2","6","4","2","5","7","1") = "6"
    & skf21("7","2","6","4","2","6","1","1") = "6"
    & skf21("7","2","6","4","2","6","2","1") = "6"
    & skf21("7","2","6","4","2","6","3","1") = "6"
    & skf21("7","2","6","4","2","6","4","1") = "6"
    & skf21("7","2","6","4","2","6","5","1") = "6"
    & skf21("7","2","6","4","2","6","6","1") = "6"
    & skf21("7","2","6","4","2","6","7","1") = "6"
    & skf21("7","2","6","4","2","7","1","1") = "6"
    & skf21("7","2","6","4","2","7","2","1") = "6"
    & skf21("7","2","6","4","2","7","3","1") = "6"
    & skf21("7","2","6","4","2","7","4","1") = "6"
    & skf21("7","2","6","4","2","7","5","1") = "6"
    & skf21("7","2","6","4","2","7","6","1") = "6"
    & skf21("7","2","6","4","2","7","7","1") = "6"
    & skf21("7","2","6","4","3","1","1","1") = "6"
    & skf21("7","2","6","4","3","1","2","1") = "6"
    & skf21("7","2","6","4","3","1","3","1") = "6"
    & skf21("7","2","6","4","3","1","4","1") = "6"
    & skf21("7","2","6","4","3","1","5","1") = "6"
    & skf21("7","2","6","4","3","1","6","1") = "6"
    & skf21("7","2","6","4","3","1","7","1") = "6"
    & skf21("7","2","6","4","3","2","1","1") = "6"
    & skf21("7","2","6","4","3","2","2","1") = "6"
    & skf21("7","2","6","4","3","2","3","1") = "6"
    & skf21("7","2","6","4","3","2","4","1") = "6"
    & skf21("7","2","6","4","3","2","5","1") = "6"
    & skf21("7","2","6","4","3","2","6","1") = "6"
    & skf21("7","2","6","4","3","2","7","1") = "6"
    & skf21("7","2","6","4","3","3","1","1") = "6"
    & skf21("7","2","6","4","3","3","2","1") = "6"
    & skf21("7","2","6","4","3","3","3","1") = "6"
    & skf21("7","2","6","4","3","3","4","1") = "6"
    & skf21("7","2","6","4","3","3","5","1") = "6"
    & skf21("7","2","6","4","3","3","6","1") = "6"
    & skf21("7","2","6","4","3","3","7","1") = "6"
    & skf21("7","2","6","4","3","4","1","1") = "6"
    & skf21("7","2","6","4","3","4","2","1") = "6"
    & skf21("7","2","6","4","3","4","3","1") = "6"
    & skf21("7","2","6","4","3","4","4","1") = "6"
    & skf21("7","2","6","4","3","4","5","1") = "6"
    & skf21("7","2","6","4","3","4","6","1") = "6"
    & skf21("7","2","6","4","3","4","7","1") = "6"
    & skf21("7","2","6","4","3","5","1","1") = "6"
    & skf21("7","2","6","4","3","5","2","1") = "6"
    & skf21("7","2","6","4","3","5","3","1") = "6"
    & skf21("7","2","6","4","3","5","4","1") = "6"
    & skf21("7","2","6","4","3","5","5","1") = "6"
    & skf21("7","2","6","4","3","5","6","1") = "6"
    & skf21("7","2","6","4","3","5","7","1") = "6"
    & skf21("7","2","6","4","3","6","1","1") = "6"
    & skf21("7","2","6","4","3","6","2","1") = "6"
    & skf21("7","2","6","4","3","6","3","1") = "6"
    & skf21("7","2","6","4","3","6","4","1") = "6"
    & skf21("7","2","6","4","3","6","5","1") = "6"
    & skf21("7","2","6","4","3","6","6","1") = "6"
    & skf21("7","2","6","4","3","6","7","1") = "6"
    & skf21("7","2","6","4","3","7","1","1") = "6"
    & skf21("7","2","6","4","3","7","2","1") = "6"
    & skf21("7","2","6","4","3","7","3","1") = "6"
    & skf21("7","2","6","4","3","7","4","1") = "6"
    & skf21("7","2","6","4","3","7","5","1") = "6"
    & skf21("7","2","6","4","3","7","6","1") = "6"
    & skf21("7","2","6","4","3","7","7","1") = "6"
    & skf21("7","2","6","4","4","1","1","1") = "6"
    & skf21("7","2","6","4","4","1","2","1") = "6"
    & skf21("7","2","6","4","4","1","3","1") = "6"
    & skf21("7","2","6","4","4","1","4","1") = "6"
    & skf21("7","2","6","4","4","1","5","1") = "6"
    & skf21("7","2","6","4","4","1","6","1") = "6"
    & skf21("7","2","6","4","4","1","7","1") = "6"
    & skf21("7","2","6","4","4","2","1","1") = "6"
    & skf21("7","2","6","4","4","2","2","1") = "6"
    & skf21("7","2","6","4","4","2","3","1") = "6"
    & skf21("7","2","6","4","4","2","4","1") = "6"
    & skf21("7","2","6","4","4","2","5","1") = "6"
    & skf21("7","2","6","4","4","2","6","1") = "6"
    & skf21("7","2","6","4","4","2","7","1") = "6"
    & skf21("7","2","6","4","4","3","1","1") = "6"
    & skf21("7","2","6","4","4","3","2","1") = "6"
    & skf21("7","2","6","4","4","3","3","1") = "6"
    & skf21("7","2","6","4","4","3","4","1") = "6"
    & skf21("7","2","6","4","4","3","5","1") = "6"
    & skf21("7","2","6","4","4","3","6","1") = "6"
    & skf21("7","2","6","4","4","3","7","1") = "6"
    & skf21("7","2","6","4","4","4","1","1") = "6"
    & skf21("7","2","6","4","4","4","2","1") = "6"
    & skf21("7","2","6","4","4","4","3","1") = "6"
    & skf21("7","2","6","4","4","4","4","1") = "6"
    & skf21("7","2","6","4","4","4","5","1") = "6"
    & skf21("7","2","6","4","4","4","6","1") = "6"
    & skf21("7","2","6","4","4","4","7","1") = "6"
    & skf21("7","2","6","4","4","5","1","1") = "6"
    & skf21("7","2","6","4","4","5","2","1") = "6"
    & skf21("7","2","6","4","4","5","3","1") = "6"
    & skf21("7","2","6","4","4","5","4","1") = "6"
    & skf21("7","2","6","4","4","5","5","1") = "6"
    & skf21("7","2","6","4","4","5","6","1") = "6"
    & skf21("7","2","6","4","4","5","7","1") = "6"
    & skf21("7","2","6","4","4","6","1","1") = "6"
    & skf21("7","2","6","4","4","6","2","1") = "6"
    & skf21("7","2","6","4","4","6","3","1") = "6"
    & skf21("7","2","6","4","4","6","4","1") = "6"
    & skf21("7","2","6","4","4","6","5","1") = "6"
    & skf21("7","2","6","4","4","6","6","1") = "6"
    & skf21("7","2","6","4","4","6","7","1") = "6"
    & skf21("7","2","6","4","4","7","1","1") = "6"
    & skf21("7","2","6","4","4","7","2","1") = "6"
    & skf21("7","2","6","4","4","7","3","1") = "6"
    & skf21("7","2","6","4","4","7","4","1") = "6"
    & skf21("7","2","6","4","4","7","5","1") = "6"
    & skf21("7","2","6","4","4","7","6","1") = "6"
    & skf21("7","2","6","4","4","7","7","1") = "6"
    & skf21("7","2","6","4","5","1","1","1") = "6"
    & skf21("7","2","6","4","5","1","2","1") = "6"
    & skf21("7","2","6","4","5","1","3","1") = "6"
    & skf21("7","2","6","4","5","1","4","1") = "6"
    & skf21("7","2","6","4","5","1","5","1") = "6"
    & skf21("7","2","6","4","5","1","6","1") = "6"
    & skf21("7","2","6","4","5","1","7","1") = "6"
    & skf21("7","2","6","4","5","2","1","1") = "6"
    & skf21("7","2","6","4","5","2","2","1") = "6"
    & skf21("7","2","6","4","5","2","3","1") = "6"
    & skf21("7","2","6","4","5","2","4","1") = "6"
    & skf21("7","2","6","4","5","2","5","1") = "6"
    & skf21("7","2","6","4","5","2","6","1") = "6"
    & skf21("7","2","6","4","5","2","7","1") = "6"
    & skf21("7","2","6","4","5","3","1","1") = "6"
    & skf21("7","2","6","4","5","3","2","1") = "6"
    & skf21("7","2","6","4","5","3","3","1") = "6"
    & skf21("7","2","6","4","5","3","4","1") = "6"
    & skf21("7","2","6","4","5","3","5","1") = "6"
    & skf21("7","2","6","4","5","3","6","1") = "6"
    & skf21("7","2","6","4","5","3","7","1") = "6"
    & skf21("7","2","6","4","5","4","1","1") = "6"
    & skf21("7","2","6","4","5","4","2","1") = "6"
    & skf21("7","2","6","4","5","4","3","1") = "6"
    & skf21("7","2","6","4","5","4","4","1") = "6"
    & skf21("7","2","6","4","5","4","5","1") = "6"
    & skf21("7","2","6","4","5","4","6","1") = "6"
    & skf21("7","2","6","4","5","4","7","1") = "6"
    & skf21("7","2","6","4","5","5","1","1") = "6"
    & skf21("7","2","6","4","5","5","2","1") = "6"
    & skf21("7","2","6","4","5","5","3","1") = "6"
    & skf21("7","2","6","4","5","5","4","1") = "6"
    & skf21("7","2","6","4","5","5","5","1") = "6"
    & skf21("7","2","6","4","5","5","6","1") = "6"
    & skf21("7","2","6","4","5","5","7","1") = "6"
    & skf21("7","2","6","4","5","6","1","1") = "6"
    & skf21("7","2","6","4","5","6","2","1") = "6"
    & skf21("7","2","6","4","5","6","3","1") = "6"
    & skf21("7","2","6","4","5","6","4","1") = "6"
    & skf21("7","2","6","4","5","6","5","1") = "6"
    & skf21("7","2","6","4","5","6","6","1") = "6"
    & skf21("7","2","6","4","5","6","7","1") = "6"
    & skf21("7","2","6","4","5","7","1","1") = "6"
    & skf21("7","2","6","4","5","7","2","1") = "6"
    & skf21("7","2","6","4","5","7","3","1") = "6"
    & skf21("7","2","6","4","5","7","4","1") = "6"
    & skf21("7","2","6","4","5","7","5","1") = "6"
    & skf21("7","2","6","4","5","7","6","1") = "6"
    & skf21("7","2","6","4","5","7","7","1") = "6"
    & skf21("7","2","6","4","6","1","1","1") = "6"
    & skf21("7","2","6","4","6","1","2","1") = "6"
    & skf21("7","2","6","4","6","1","3","1") = "6"
    & skf21("7","2","6","4","6","1","4","1") = "6"
    & skf21("7","2","6","4","6","1","5","1") = "6"
    & skf21("7","2","6","4","6","1","6","1") = "6"
    & skf21("7","2","6","4","6","1","7","1") = "6"
    & skf21("7","2","6","4","6","2","1","1") = "6"
    & skf21("7","2","6","4","6","2","2","1") = "6"
    & skf21("7","2","6","4","6","2","3","1") = "6"
    & skf21("7","2","6","4","6","2","4","1") = "6"
    & skf21("7","2","6","4","6","2","5","1") = "6"
    & skf21("7","2","6","4","6","2","6","1") = "6"
    & skf21("7","2","6","4","6","2","7","1") = "6"
    & skf21("7","2","6","4","6","3","1","1") = "6"
    & skf21("7","2","6","4","6","3","2","1") = "6"
    & skf21("7","2","6","4","6","3","3","1") = "6"
    & skf21("7","2","6","4","6","3","4","1") = "6"
    & skf21("7","2","6","4","6","3","5","1") = "6"
    & skf21("7","2","6","4","6","3","6","1") = "6"
    & skf21("7","2","6","4","6","3","7","1") = "6"
    & skf21("7","2","6","4","6","4","1","1") = "6"
    & skf21("7","2","6","4","6","4","2","1") = "6"
    & skf21("7","2","6","4","6","4","3","1") = "6"
    & skf21("7","2","6","4","6","4","4","1") = "6"
    & skf21("7","2","6","4","6","4","5","1") = "6"
    & skf21("7","2","6","4","6","4","6","1") = "6"
    & skf21("7","2","6","4","6","4","7","1") = "6"
    & skf21("7","2","6","4","6","5","1","1") = "6"
    & skf21("7","2","6","4","6","5","2","1") = "6"
    & skf21("7","2","6","4","6","5","3","1") = "6"
    & skf21("7","2","6","4","6","5","4","1") = "6"
    & skf21("7","2","6","4","6","5","5","1") = "6"
    & skf21("7","2","6","4","6","5","6","1") = "6"
    & skf21("7","2","6","4","6","5","7","1") = "6"
    & skf21("7","2","6","4","6","6","1","1") = "6"
    & skf21("7","2","6","4","6","6","2","1") = "6"
    & skf21("7","2","6","4","6","6","3","1") = "6"
    & skf21("7","2","6","4","6","6","4","1") = "6"
    & skf21("7","2","6","4","6","6","5","1") = "6"
    & skf21("7","2","6","4","6","6","6","1") = "6"
    & skf21("7","2","6","4","6","6","7","1") = "6"
    & skf21("7","2","6","4","6","7","1","1") = "6"
    & skf21("7","2","6","4","6","7","2","1") = "6"
    & skf21("7","2","6","4","6","7","3","1") = "6"
    & skf21("7","2","6","4","6","7","4","1") = "6"
    & skf21("7","2","6","4","6","7","5","1") = "6"
    & skf21("7","2","6","4","6","7","6","1") = "6"
    & skf21("7","2","6","4","6","7","7","1") = "6"
    & skf21("7","2","6","4","7","1","1","1") = "6"
    & skf21("7","2","6","4","7","1","2","1") = "6"
    & skf21("7","2","6","4","7","1","3","1") = "6"
    & skf21("7","2","6","4","7","1","4","1") = "6"
    & skf21("7","2","6","4","7","1","5","1") = "6"
    & skf21("7","2","6","4","7","1","6","1") = "6"
    & skf21("7","2","6","4","7","1","7","1") = "6"
    & skf21("7","2","6","4","7","2","1","1") = "6"
    & skf21("7","2","6","4","7","2","2","1") = "6"
    & skf21("7","2","6","4","7","2","3","1") = "6"
    & skf21("7","2","6","4","7","2","4","1") = "6"
    & skf21("7","2","6","4","7","2","5","1") = "6"
    & skf21("7","2","6","4","7","2","6","1") = "6"
    & skf21("7","2","6","4","7","2","7","1") = "6"
    & skf21("7","2","6","4","7","3","1","1") = "6"
    & skf21("7","2","6","4","7","3","2","1") = "6"
    & skf21("7","2","6","4","7","3","3","1") = "6"
    & skf21("7","2","6","4","7","3","4","1") = "6"
    & skf21("7","2","6","4","7","3","5","1") = "6"
    & skf21("7","2","6","4","7","3","6","1") = "6"
    & skf21("7","2","6","4","7","3","7","1") = "6"
    & skf21("7","2","6","4","7","4","1","1") = "6"
    & skf21("7","2","6","4","7","4","2","1") = "6"
    & skf21("7","2","6","4","7","4","3","1") = "6"
    & skf21("7","2","6","4","7","4","4","1") = "6"
    & skf21("7","2","6","4","7","4","5","1") = "6"
    & skf21("7","2","6","4","7","4","6","1") = "6"
    & skf21("7","2","6","4","7","4","7","1") = "6"
    & skf21("7","2","6","4","7","5","1","1") = "6"
    & skf21("7","2","6","4","7","5","2","1") = "6"
    & skf21("7","2","6","4","7","5","3","1") = "6"
    & skf21("7","2","6","4","7","5","4","1") = "6"
    & skf21("7","2","6","4","7","5","5","1") = "6"
    & skf21("7","2","6","4","7","5","6","1") = "6"
    & skf21("7","2","6","4","7","5","7","1") = "6"
    & skf21("7","2","6","4","7","6","1","1") = "6"
    & skf21("7","2","6","4","7","6","2","1") = "6"
    & skf21("7","2","6","4","7","6","3","1") = "6"
    & skf21("7","2","6","4","7","6","4","1") = "6"
    & skf21("7","2","6","4","7","6","5","1") = "6"
    & skf21("7","2","6","4","7","6","6","1") = "6"
    & skf21("7","2","6","4","7","6","7","1") = "6"
    & skf21("7","2","6","4","7","7","1","1") = "6"
    & skf21("7","2","6","4","7","7","2","1") = "6"
    & skf21("7","2","6","4","7","7","3","1") = "6"
    & skf21("7","2","6","4","7","7","4","1") = "6"
    & skf21("7","2","6","4","7","7","5","1") = "6"
    & skf21("7","2","6","4","7","7","6","1") = "6"
    & skf21("7","2","6","4","7","7","7","1") = "6"
    & skf21("7","2","6","5","1","1","1","1") = "6"
    & skf21("7","2","6","5","1","1","2","1") = "6"
    & skf21("7","2","6","5","1","1","3","1") = "6"
    & skf21("7","2","6","5","1","1","4","1") = "6"
    & skf21("7","2","6","5","1","1","5","1") = "6"
    & skf21("7","2","6","5","1","1","6","1") = "6"
    & skf21("7","2","6","5","1","1","7","1") = "6"
    & skf21("7","2","6","5","1","2","1","1") = "6"
    & skf21("7","2","6","5","1","2","2","1") = "6"
    & skf21("7","2","6","5","1","2","3","1") = "6"
    & skf21("7","2","6","5","1","2","4","1") = "6"
    & skf21("7","2","6","5","1","2","5","1") = "6"
    & skf21("7","2","6","5","1","2","6","1") = "6"
    & skf21("7","2","6","5","1","2","7","1") = "6"
    & skf21("7","2","6","5","1","3","1","1") = "6"
    & skf21("7","2","6","5","1","3","2","1") = "6"
    & skf21("7","2","6","5","1","3","3","1") = "6"
    & skf21("7","2","6","5","1","3","4","1") = "6"
    & skf21("7","2","6","5","1","3","5","1") = "6"
    & skf21("7","2","6","5","1","3","6","1") = "6"
    & skf21("7","2","6","5","1","3","7","1") = "6"
    & skf21("7","2","6","5","1","4","1","1") = "6"
    & skf21("7","2","6","5","1","4","2","1") = "6"
    & skf21("7","2","6","5","1","4","3","1") = "6"
    & skf21("7","2","6","5","1","4","4","1") = "6"
    & skf21("7","2","6","5","1","4","5","1") = "6"
    & skf21("7","2","6","5","1","4","6","1") = "6"
    & skf21("7","2","6","5","1","4","7","1") = "6"
    & skf21("7","2","6","5","1","5","1","1") = "6"
    & skf21("7","2","6","5","1","5","2","1") = "6"
    & skf21("7","2","6","5","1","5","3","1") = "6"
    & skf21("7","2","6","5","1","5","4","1") = "6"
    & skf21("7","2","6","5","1","5","5","1") = "6"
    & skf21("7","2","6","5","1","5","6","1") = "6"
    & skf21("7","2","6","5","1","5","7","1") = "6"
    & skf21("7","2","6","5","1","6","1","1") = "6"
    & skf21("7","2","6","5","1","6","2","1") = "6"
    & skf21("7","2","6","5","1","6","3","1") = "6"
    & skf21("7","2","6","5","1","6","4","1") = "6"
    & skf21("7","2","6","5","1","6","5","1") = "6"
    & skf21("7","2","6","5","1","6","6","1") = "6"
    & skf21("7","2","6","5","1","6","7","1") = "6"
    & skf21("7","2","6","5","1","7","1","1") = "6"
    & skf21("7","2","6","5","1","7","2","1") = "6"
    & skf21("7","2","6","5","1","7","3","1") = "6"
    & skf21("7","2","6","5","1","7","4","1") = "6"
    & skf21("7","2","6","5","1","7","5","1") = "6"
    & skf21("7","2","6","5","1","7","6","1") = "6"
    & skf21("7","2","6","5","1","7","7","1") = "6"
    & skf21("7","2","6","5","2","1","1","1") = "6"
    & skf21("7","2","6","5","2","1","2","1") = "6"
    & skf21("7","2","6","5","2","1","3","1") = "6"
    & skf21("7","2","6","5","2","1","4","1") = "6"
    & skf21("7","2","6","5","2","1","5","1") = "6"
    & skf21("7","2","6","5","2","1","6","1") = "6"
    & skf21("7","2","6","5","2","1","7","1") = "6"
    & skf21("7","2","6","5","2","2","1","1") = "6"
    & skf21("7","2","6","5","2","2","2","1") = "6"
    & skf21("7","2","6","5","2","2","3","1") = "6"
    & skf21("7","2","6","5","2","2","4","1") = "6"
    & skf21("7","2","6","5","2","2","5","1") = "6"
    & skf21("7","2","6","5","2","2","6","1") = "6"
    & skf21("7","2","6","5","2","2","7","1") = "6"
    & skf21("7","2","6","5","2","3","1","1") = "6"
    & skf21("7","2","6","5","2","3","2","1") = "6"
    & skf21("7","2","6","5","2","3","3","1") = "6"
    & skf21("7","2","6","5","2","3","4","1") = "6"
    & skf21("7","2","6","5","2","3","5","1") = "6"
    & skf21("7","2","6","5","2","3","6","1") = "6"
    & skf21("7","2","6","5","2","3","7","1") = "6"
    & skf21("7","2","6","5","2","4","1","1") = "6"
    & skf21("7","2","6","5","2","4","2","1") = "6"
    & skf21("7","2","6","5","2","4","3","1") = "6"
    & skf21("7","2","6","5","2","4","4","1") = "6"
    & skf21("7","2","6","5","2","4","5","1") = "6"
    & skf21("7","2","6","5","2","4","6","1") = "6"
    & skf21("7","2","6","5","2","4","7","1") = "6"
    & skf21("7","2","6","5","2","5","1","1") = "6"
    & skf21("7","2","6","5","2","5","2","1") = "6"
    & skf21("7","2","6","5","2","5","3","1") = "6"
    & skf21("7","2","6","5","2","5","4","1") = "6"
    & skf21("7","2","6","5","2","5","5","1") = "6"
    & skf21("7","2","6","5","2","5","6","1") = "6"
    & skf21("7","2","6","5","2","5","7","1") = "6"
    & skf21("7","2","6","5","2","6","1","1") = "6"
    & skf21("7","2","6","5","2","6","2","1") = "6"
    & skf21("7","2","6","5","2","6","3","1") = "6"
    & skf21("7","2","6","5","2","6","4","1") = "6"
    & skf21("7","2","6","5","2","6","5","1") = "6"
    & skf21("7","2","6","5","2","6","6","1") = "6"
    & skf21("7","2","6","5","2","6","7","1") = "6"
    & skf21("7","2","6","5","2","7","1","1") = "6"
    & skf21("7","2","6","5","2","7","2","1") = "6"
    & skf21("7","2","6","5","2","7","3","1") = "6"
    & skf21("7","2","6","5","2","7","4","1") = "6"
    & skf21("7","2","6","5","2","7","5","1") = "6"
    & skf21("7","2","6","5","2","7","6","1") = "6"
    & skf21("7","2","6","5","2","7","7","1") = "6"
    & skf21("7","2","6","5","3","1","1","1") = "6"
    & skf21("7","2","6","5","3","1","2","1") = "6"
    & skf21("7","2","6","5","3","1","3","1") = "6"
    & skf21("7","2","6","5","3","1","4","1") = "6"
    & skf21("7","2","6","5","3","1","5","1") = "6"
    & skf21("7","2","6","5","3","1","6","1") = "6"
    & skf21("7","2","6","5","3","1","7","1") = "6"
    & skf21("7","2","6","5","3","2","1","1") = "6"
    & skf21("7","2","6","5","3","2","2","1") = "6"
    & skf21("7","2","6","5","3","2","3","1") = "6"
    & skf21("7","2","6","5","3","2","4","1") = "6"
    & skf21("7","2","6","5","3","2","5","1") = "6"
    & skf21("7","2","6","5","3","2","6","1") = "6"
    & skf21("7","2","6","5","3","2","7","1") = "6"
    & skf21("7","2","6","5","3","3","1","1") = "6"
    & skf21("7","2","6","5","3","3","2","1") = "6"
    & skf21("7","2","6","5","3","3","3","1") = "6"
    & skf21("7","2","6","5","3","3","4","1") = "6"
    & skf21("7","2","6","5","3","3","5","1") = "6"
    & skf21("7","2","6","5","3","3","6","1") = "6"
    & skf21("7","2","6","5","3","3","7","1") = "6"
    & skf21("7","2","6","5","3","4","1","1") = "6"
    & skf21("7","2","6","5","3","4","2","1") = "6"
    & skf21("7","2","6","5","3","4","3","1") = "6"
    & skf21("7","2","6","5","3","4","4","1") = "6"
    & skf21("7","2","6","5","3","4","5","1") = "6"
    & skf21("7","2","6","5","3","4","6","1") = "6"
    & skf21("7","2","6","5","3","4","7","1") = "6"
    & skf21("7","2","6","5","3","5","1","1") = "6"
    & skf21("7","2","6","5","3","5","2","1") = "6"
    & skf21("7","2","6","5","3","5","3","1") = "6"
    & skf21("7","2","6","5","3","5","4","1") = "6"
    & skf21("7","2","6","5","3","5","5","1") = "6"
    & skf21("7","2","6","5","3","5","6","1") = "6"
    & skf21("7","2","6","5","3","5","7","1") = "6"
    & skf21("7","2","6","5","3","6","1","1") = "6"
    & skf21("7","2","6","5","3","6","2","1") = "6"
    & skf21("7","2","6","5","3","6","3","1") = "6"
    & skf21("7","2","6","5","3","6","4","1") = "6"
    & skf21("7","2","6","5","3","6","5","1") = "6"
    & skf21("7","2","6","5","3","6","6","1") = "6"
    & skf21("7","2","6","5","3","6","7","1") = "6"
    & skf21("7","2","6","5","3","7","1","1") = "6"
    & skf21("7","2","6","5","3","7","2","1") = "6"
    & skf21("7","2","6","5","3","7","3","1") = "6"
    & skf21("7","2","6","5","3","7","4","1") = "6"
    & skf21("7","2","6","5","3","7","5","1") = "6"
    & skf21("7","2","6","5","3","7","6","1") = "6"
    & skf21("7","2","6","5","3","7","7","1") = "6"
    & skf21("7","2","6","5","4","1","1","1") = "6"
    & skf21("7","2","6","5","4","1","2","1") = "6"
    & skf21("7","2","6","5","4","1","3","1") = "6"
    & skf21("7","2","6","5","4","1","4","1") = "6"
    & skf21("7","2","6","5","4","1","5","1") = "6"
    & skf21("7","2","6","5","4","1","6","1") = "6"
    & skf21("7","2","6","5","4","1","7","1") = "6"
    & skf21("7","2","6","5","4","2","1","1") = "6"
    & skf21("7","2","6","5","4","2","2","1") = "6"
    & skf21("7","2","6","5","4","2","3","1") = "6"
    & skf21("7","2","6","5","4","2","4","1") = "6"
    & skf21("7","2","6","5","4","2","5","1") = "6"
    & skf21("7","2","6","5","4","2","6","1") = "6"
    & skf21("7","2","6","5","4","2","7","1") = "6"
    & skf21("7","2","6","5","4","3","1","1") = "6"
    & skf21("7","2","6","5","4","3","2","1") = "6"
    & skf21("7","2","6","5","4","3","3","1") = "6"
    & skf21("7","2","6","5","4","3","4","1") = "6"
    & skf21("7","2","6","5","4","3","5","1") = "6"
    & skf21("7","2","6","5","4","3","6","1") = "6"
    & skf21("7","2","6","5","4","3","7","1") = "6"
    & skf21("7","2","6","5","4","4","1","1") = "6"
    & skf21("7","2","6","5","4","4","2","1") = "6"
    & skf21("7","2","6","5","4","4","3","1") = "6"
    & skf21("7","2","6","5","4","4","4","1") = "6"
    & skf21("7","2","6","5","4","4","5","1") = "6"
    & skf21("7","2","6","5","4","4","6","1") = "6"
    & skf21("7","2","6","5","4","4","7","1") = "6"
    & skf21("7","2","6","5","4","5","1","1") = "6"
    & skf21("7","2","6","5","4","5","2","1") = "6"
    & skf21("7","2","6","5","4","5","3","1") = "6"
    & skf21("7","2","6","5","4","5","4","1") = "6"
    & skf21("7","2","6","5","4","5","5","1") = "6"
    & skf21("7","2","6","5","4","5","6","1") = "6"
    & skf21("7","2","6","5","4","5","7","1") = "6"
    & skf21("7","2","6","5","4","6","1","1") = "6"
    & skf21("7","2","6","5","4","6","2","1") = "6"
    & skf21("7","2","6","5","4","6","3","1") = "6"
    & skf21("7","2","6","5","4","6","4","1") = "6"
    & skf21("7","2","6","5","4","6","5","1") = "6"
    & skf21("7","2","6","5","4","6","6","1") = "6"
    & skf21("7","2","6","5","4","6","7","1") = "6"
    & skf21("7","2","6","5","4","7","1","1") = "6"
    & skf21("7","2","6","5","4","7","2","1") = "6"
    & skf21("7","2","6","5","4","7","3","1") = "6"
    & skf21("7","2","6","5","4","7","4","1") = "6"
    & skf21("7","2","6","5","4","7","5","1") = "6"
    & skf21("7","2","6","5","4","7","6","1") = "6"
    & skf21("7","2","6","5","4","7","7","1") = "6"
    & skf21("7","2","6","5","5","1","1","1") = "6"
    & skf21("7","2","6","5","5","1","2","1") = "6"
    & skf21("7","2","6","5","5","1","3","1") = "6"
    & skf21("7","2","6","5","5","1","4","1") = "6"
    & skf21("7","2","6","5","5","1","5","1") = "6"
    & skf21("7","2","6","5","5","1","6","1") = "6"
    & skf21("7","2","6","5","5","1","7","1") = "6"
    & skf21("7","2","6","5","5","2","1","1") = "6"
    & skf21("7","2","6","5","5","2","2","1") = "6"
    & skf21("7","2","6","5","5","2","3","1") = "6"
    & skf21("7","2","6","5","5","2","4","1") = "6"
    & skf21("7","2","6","5","5","2","5","1") = "6"
    & skf21("7","2","6","5","5","2","6","1") = "6"
    & skf21("7","2","6","5","5","2","7","1") = "6"
    & skf21("7","2","6","5","5","3","1","1") = "6"
    & skf21("7","2","6","5","5","3","2","1") = "6"
    & skf21("7","2","6","5","5","3","3","1") = "6"
    & skf21("7","2","6","5","5","3","4","1") = "6"
    & skf21("7","2","6","5","5","3","5","1") = "6"
    & skf21("7","2","6","5","5","3","6","1") = "6"
    & skf21("7","2","6","5","5","3","7","1") = "6"
    & skf21("7","2","6","5","5","4","1","1") = "6"
    & skf21("7","2","6","5","5","4","2","1") = "6"
    & skf21("7","2","6","5","5","4","3","1") = "6"
    & skf21("7","2","6","5","5","4","4","1") = "6"
    & skf21("7","2","6","5","5","4","5","1") = "6"
    & skf21("7","2","6","5","5","4","6","1") = "6"
    & skf21("7","2","6","5","5","4","7","1") = "6"
    & skf21("7","2","6","5","5","5","1","1") = "6"
    & skf21("7","2","6","5","5","5","2","1") = "6"
    & skf21("7","2","6","5","5","5","3","1") = "6"
    & skf21("7","2","6","5","5","5","4","1") = "6"
    & skf21("7","2","6","5","5","5","5","1") = "6"
    & skf21("7","2","6","5","5","5","6","1") = "6"
    & skf21("7","2","6","5","5","5","7","1") = "6"
    & skf21("7","2","6","5","5","6","1","1") = "6"
    & skf21("7","2","6","5","5","6","2","1") = "6"
    & skf21("7","2","6","5","5","6","3","1") = "6"
    & skf21("7","2","6","5","5","6","4","1") = "6"
    & skf21("7","2","6","5","5","6","5","1") = "6"
    & skf21("7","2","6","5","5","6","6","1") = "6"
    & skf21("7","2","6","5","5","6","7","1") = "6"
    & skf21("7","2","6","5","5","7","1","1") = "6"
    & skf21("7","2","6","5","5","7","2","1") = "6"
    & skf21("7","2","6","5","5","7","3","1") = "6"
    & skf21("7","2","6","5","5","7","4","1") = "6"
    & skf21("7","2","6","5","5","7","5","1") = "6"
    & skf21("7","2","6","5","5","7","6","1") = "6"
    & skf21("7","2","6","5","5","7","7","1") = "6"
    & skf21("7","2","6","5","6","1","1","1") = "6"
    & skf21("7","2","6","5","6","1","2","1") = "6"
    & skf21("7","2","6","5","6","1","3","1") = "6"
    & skf21("7","2","6","5","6","1","4","1") = "6"
    & skf21("7","2","6","5","6","1","5","1") = "6"
    & skf21("7","2","6","5","6","1","6","1") = "6"
    & skf21("7","2","6","5","6","1","7","1") = "6"
    & skf21("7","2","6","5","6","2","1","1") = "6"
    & skf21("7","2","6","5","6","2","2","1") = "6"
    & skf21("7","2","6","5","6","2","3","1") = "6"
    & skf21("7","2","6","5","6","2","4","1") = "6"
    & skf21("7","2","6","5","6","2","5","1") = "6"
    & skf21("7","2","6","5","6","2","6","1") = "6"
    & skf21("7","2","6","5","6","2","7","1") = "6"
    & skf21("7","2","6","5","6","3","1","1") = "6"
    & skf21("7","2","6","5","6","3","2","1") = "6"
    & skf21("7","2","6","5","6","3","3","1") = "6"
    & skf21("7","2","6","5","6","3","4","1") = "6"
    & skf21("7","2","6","5","6","3","5","1") = "6"
    & skf21("7","2","6","5","6","3","6","1") = "6"
    & skf21("7","2","6","5","6","3","7","1") = "6"
    & skf21("7","2","6","5","6","4","1","1") = "6"
    & skf21("7","2","6","5","6","4","2","1") = "6"
    & skf21("7","2","6","5","6","4","3","1") = "6"
    & skf21("7","2","6","5","6","4","4","1") = "6"
    & skf21("7","2","6","5","6","4","5","1") = "6"
    & skf21("7","2","6","5","6","4","6","1") = "6"
    & skf21("7","2","6","5","6","4","7","1") = "6"
    & skf21("7","2","6","5","6","5","1","1") = "6"
    & skf21("7","2","6","5","6","5","2","1") = "6"
    & skf21("7","2","6","5","6","5","3","1") = "6"
    & skf21("7","2","6","5","6","5","4","1") = "6"
    & skf21("7","2","6","5","6","5","5","1") = "6"
    & skf21("7","2","6","5","6","5","6","1") = "6"
    & skf21("7","2","6","5","6","5","7","1") = "6"
    & skf21("7","2","6","5","6","6","1","1") = "6"
    & skf21("7","2","6","5","6","6","2","1") = "6"
    & skf21("7","2","6","5","6","6","3","1") = "6"
    & skf21("7","2","6","5","6","6","4","1") = "6"
    & skf21("7","2","6","5","6","6","5","1") = "6"
    & skf21("7","2","6","5","6","6","6","1") = "6"
    & skf21("7","2","6","5","6","6","7","1") = "6"
    & skf21("7","2","6","5","6","7","1","1") = "6"
    & skf21("7","2","6","5","6","7","2","1") = "6"
    & skf21("7","2","6","5","6","7","3","1") = "6"
    & skf21("7","2","6","5","6","7","4","1") = "6"
    & skf21("7","2","6","5","6","7","5","1") = "6"
    & skf21("7","2","6","5","6","7","6","1") = "6"
    & skf21("7","2","6","5","6","7","7","1") = "6"
    & skf21("7","2","6","5","7","1","1","1") = "6"
    & skf21("7","2","6","5","7","1","2","1") = "6"
    & skf21("7","2","6","5","7","1","3","1") = "6"
    & skf21("7","2","6","5","7","1","4","1") = "6"
    & skf21("7","2","6","5","7","1","5","1") = "6"
    & skf21("7","2","6","5","7","1","6","1") = "6"
    & skf21("7","2","6","5","7","1","7","1") = "6"
    & skf21("7","2","6","5","7","2","1","1") = "6"
    & skf21("7","2","6","5","7","2","2","1") = "6"
    & skf21("7","2","6","5","7","2","3","1") = "6"
    & skf21("7","2","6","5","7","2","4","1") = "6"
    & skf21("7","2","6","5","7","2","5","1") = "6"
    & skf21("7","2","6","5","7","2","6","1") = "6"
    & skf21("7","2","6","5","7","2","7","1") = "6"
    & skf21("7","2","6","5","7","3","1","1") = "6"
    & skf21("7","2","6","5","7","3","2","1") = "6"
    & skf21("7","2","6","5","7","3","3","1") = "6"
    & skf21("7","2","6","5","7","3","4","1") = "6"
    & skf21("7","2","6","5","7","3","5","1") = "6"
    & skf21("7","2","6","5","7","3","6","1") = "6"
    & skf21("7","2","6","5","7","3","7","1") = "6"
    & skf21("7","2","6","5","7","4","1","1") = "6"
    & skf21("7","2","6","5","7","4","2","1") = "6"
    & skf21("7","2","6","5","7","4","3","1") = "6"
    & skf21("7","2","6","5","7","4","4","1") = "6"
    & skf21("7","2","6","5","7","4","5","1") = "6"
    & skf21("7","2","6","5","7","4","6","1") = "6"
    & skf21("7","2","6","5","7","4","7","1") = "6"
    & skf21("7","2","6","5","7","5","1","1") = "6"
    & skf21("7","2","6","5","7","5","2","1") = "6"
    & skf21("7","2","6","5","7","5","3","1") = "6"
    & skf21("7","2","6","5","7","5","4","1") = "6"
    & skf21("7","2","6","5","7","5","5","1") = "6"
    & skf21("7","2","6","5","7","5","6","1") = "6"
    & skf21("7","2","6","5","7","5","7","1") = "6"
    & skf21("7","2","6","5","7","6","1","1") = "6"
    & skf21("7","2","6","5","7","6","2","1") = "6"
    & skf21("7","2","6","5","7","6","3","1") = "6"
    & skf21("7","2","6","5","7","6","4","1") = "6"
    & skf21("7","2","6","5","7","6","5","1") = "6"
    & skf21("7","2","6","5","7","6","6","1") = "6"
    & skf21("7","2","6","5","7","6","7","1") = "6"
    & skf21("7","2","6","5","7","7","1","1") = "6"
    & skf21("7","2","6","5","7","7","2","1") = "6"
    & skf21("7","2","6","5","7","7","3","1") = "6"
    & skf21("7","2","6","5","7","7","4","1") = "6"
    & skf21("7","2","6","5","7","7","5","1") = "6"
    & skf21("7","2","6","5","7","7","6","1") = "6"
    & skf21("7","2","6","5","7","7","7","1") = "6"
    & skf21("7","2","6","6","1","1","1","1") = "6"
    & skf21("7","2","6","6","1","1","2","1") = "6"
    & skf21("7","2","6","6","1","1","3","1") = "6"
    & skf21("7","2","6","6","1","1","4","1") = "6"
    & skf21("7","2","6","6","1","1","5","1") = "6"
    & skf21("7","2","6","6","1","1","6","1") = "6"
    & skf21("7","2","6","6","1","1","7","1") = "6"
    & skf21("7","2","6","6","1","2","1","1") = "6"
    & skf21("7","2","6","6","1","2","2","1") = "6"
    & skf21("7","2","6","6","1","2","3","1") = "6"
    & skf21("7","2","6","6","1","2","4","1") = "6"
    & skf21("7","2","6","6","1","2","5","1") = "6"
    & skf21("7","2","6","6","1","2","6","1") = "6"
    & skf21("7","2","6","6","1","2","7","1") = "6"
    & skf21("7","2","6","6","1","3","1","1") = "6"
    & skf21("7","2","6","6","1","3","2","1") = "6"
    & skf21("7","2","6","6","1","3","3","1") = "6"
    & skf21("7","2","6","6","1","3","4","1") = "6"
    & skf21("7","2","6","6","1","3","5","1") = "6"
    & skf21("7","2","6","6","1","3","6","1") = "6"
    & skf21("7","2","6","6","1","3","7","1") = "6"
    & skf21("7","2","6","6","1","4","1","1") = "6"
    & skf21("7","2","6","6","1","4","2","1") = "6"
    & skf21("7","2","6","6","1","4","3","1") = "6"
    & skf21("7","2","6","6","1","4","4","1") = "6"
    & skf21("7","2","6","6","1","4","5","1") = "6"
    & skf21("7","2","6","6","1","4","6","1") = "6"
    & skf21("7","2","6","6","1","4","7","1") = "6"
    & skf21("7","2","6","6","1","5","1","1") = "6"
    & skf21("7","2","6","6","1","5","2","1") = "6"
    & skf21("7","2","6","6","1","5","3","1") = "6"
    & skf21("7","2","6","6","1","5","4","1") = "6"
    & skf21("7","2","6","6","1","5","5","1") = "6"
    & skf21("7","2","6","6","1","5","6","1") = "6"
    & skf21("7","2","6","6","1","5","7","1") = "6"
    & skf21("7","2","6","6","1","6","1","1") = "6"
    & skf21("7","2","6","6","1","6","2","1") = "6"
    & skf21("7","2","6","6","1","6","3","1") = "6"
    & skf21("7","2","6","6","1","6","4","1") = "6"
    & skf21("7","2","6","6","1","6","5","1") = "6"
    & skf21("7","2","6","6","1","6","6","1") = "6"
    & skf21("7","2","6","6","1","6","7","1") = "6"
    & skf21("7","2","6","6","1","7","1","1") = "6"
    & skf21("7","2","6","6","1","7","2","1") = "6"
    & skf21("7","2","6","6","1","7","3","1") = "6"
    & skf21("7","2","6","6","1","7","4","1") = "6"
    & skf21("7","2","6","6","1","7","5","1") = "6"
    & skf21("7","2","6","6","1","7","6","1") = "6"
    & skf21("7","2","6","6","1","7","7","1") = "6"
    & skf21("7","2","6","6","2","1","1","1") = "6"
    & skf21("7","2","6","6","2","1","2","1") = "6"
    & skf21("7","2","6","6","2","1","3","1") = "6"
    & skf21("7","2","6","6","2","1","4","1") = "6"
    & skf21("7","2","6","6","2","1","5","1") = "6"
    & skf21("7","2","6","6","2","1","6","1") = "6"
    & skf21("7","2","6","6","2","1","7","1") = "6"
    & skf21("7","2","6","6","2","2","1","1") = "6"
    & skf21("7","2","6","6","2","2","2","1") = "6"
    & skf21("7","2","6","6","2","2","3","1") = "6"
    & skf21("7","2","6","6","2","2","4","1") = "6"
    & skf21("7","2","6","6","2","2","5","1") = "6"
    & skf21("7","2","6","6","2","2","6","1") = "6"
    & skf21("7","2","6","6","2","2","7","1") = "6"
    & skf21("7","2","6","6","2","3","1","1") = "6"
    & skf21("7","2","6","6","2","3","2","1") = "6"
    & skf21("7","2","6","6","2","3","3","1") = "6"
    & skf21("7","2","6","6","2","3","4","1") = "6"
    & skf21("7","2","6","6","2","3","5","1") = "6"
    & skf21("7","2","6","6","2","3","6","1") = "6"
    & skf21("7","2","6","6","2","3","7","1") = "6"
    & skf21("7","2","6","6","2","4","1","1") = "6"
    & skf21("7","2","6","6","2","4","2","1") = "6"
    & skf21("7","2","6","6","2","4","3","1") = "6"
    & skf21("7","2","6","6","2","4","4","1") = "6"
    & skf21("7","2","6","6","2","4","5","1") = "6"
    & skf21("7","2","6","6","2","4","6","1") = "6"
    & skf21("7","2","6","6","2","4","7","1") = "6"
    & skf21("7","2","6","6","2","5","1","1") = "6"
    & skf21("7","2","6","6","2","5","2","1") = "6"
    & skf21("7","2","6","6","2","5","3","1") = "6"
    & skf21("7","2","6","6","2","5","4","1") = "6"
    & skf21("7","2","6","6","2","5","5","1") = "6"
    & skf21("7","2","6","6","2","5","6","1") = "6"
    & skf21("7","2","6","6","2","5","7","1") = "6"
    & skf21("7","2","6","6","2","6","1","1") = "6"
    & skf21("7","2","6","6","2","6","2","1") = "6"
    & skf21("7","2","6","6","2","6","3","1") = "6"
    & skf21("7","2","6","6","2","6","4","1") = "6"
    & skf21("7","2","6","6","2","6","5","1") = "6"
    & skf21("7","2","6","6","2","6","6","1") = "6"
    & skf21("7","2","6","6","2","6","7","1") = "6"
    & skf21("7","2","6","6","2","7","1","1") = "6"
    & skf21("7","2","6","6","2","7","2","1") = "6"
    & skf21("7","2","6","6","2","7","3","1") = "6"
    & skf21("7","2","6","6","2","7","4","1") = "6"
    & skf21("7","2","6","6","2","7","5","1") = "6"
    & skf21("7","2","6","6","2","7","6","1") = "6"
    & skf21("7","2","6","6","2","7","7","1") = "6"
    & skf21("7","2","6","6","3","1","1","1") = "6"
    & skf21("7","2","6","6","3","1","2","1") = "6"
    & skf21("7","2","6","6","3","1","3","1") = "6"
    & skf21("7","2","6","6","3","1","4","1") = "6"
    & skf21("7","2","6","6","3","1","5","1") = "6"
    & skf21("7","2","6","6","3","1","6","1") = "6"
    & skf21("7","2","6","6","3","1","7","1") = "6"
    & skf21("7","2","6","6","3","2","1","1") = "6"
    & skf21("7","2","6","6","3","2","2","1") = "6"
    & skf21("7","2","6","6","3","2","3","1") = "6"
    & skf21("7","2","6","6","3","2","4","1") = "6"
    & skf21("7","2","6","6","3","2","5","1") = "6"
    & skf21("7","2","6","6","3","2","6","1") = "6"
    & skf21("7","2","6","6","3","2","7","1") = "6"
    & skf21("7","2","6","6","3","3","1","1") = "6"
    & skf21("7","2","6","6","3","3","2","1") = "6"
    & skf21("7","2","6","6","3","3","3","1") = "6"
    & skf21("7","2","6","6","3","3","4","1") = "6"
    & skf21("7","2","6","6","3","3","5","1") = "6"
    & skf21("7","2","6","6","3","3","6","1") = "6"
    & skf21("7","2","6","6","3","3","7","1") = "6"
    & skf21("7","2","6","6","3","4","1","1") = "6"
    & skf21("7","2","6","6","3","4","2","1") = "6"
    & skf21("7","2","6","6","3","4","3","1") = "6"
    & skf21("7","2","6","6","3","4","4","1") = "6"
    & skf21("7","2","6","6","3","4","5","1") = "6"
    & skf21("7","2","6","6","3","4","6","1") = "6"
    & skf21("7","2","6","6","3","4","7","1") = "6"
    & skf21("7","2","6","6","3","5","1","1") = "6"
    & skf21("7","2","6","6","3","5","2","1") = "6"
    & skf21("7","2","6","6","3","5","3","1") = "6"
    & skf21("7","2","6","6","3","5","4","1") = "6"
    & skf21("7","2","6","6","3","5","5","1") = "6"
    & skf21("7","2","6","6","3","5","6","1") = "6"
    & skf21("7","2","6","6","3","5","7","1") = "6"
    & skf21("7","2","6","6","3","6","1","1") = "6"
    & skf21("7","2","6","6","3","6","2","1") = "6"
    & skf21("7","2","6","6","3","6","3","1") = "6"
    & skf21("7","2","6","6","3","6","4","1") = "6"
    & skf21("7","2","6","6","3","6","5","1") = "6"
    & skf21("7","2","6","6","3","6","6","1") = "6"
    & skf21("7","2","6","6","3","6","7","1") = "6"
    & skf21("7","2","6","6","3","7","1","1") = "6"
    & skf21("7","2","6","6","3","7","2","1") = "6"
    & skf21("7","2","6","6","3","7","3","1") = "6"
    & skf21("7","2","6","6","3","7","4","1") = "6"
    & skf21("7","2","6","6","3","7","5","1") = "6"
    & skf21("7","2","6","6","3","7","6","1") = "6"
    & skf21("7","2","6","6","3","7","7","1") = "6"
    & skf21("7","2","6","6","4","1","1","1") = "6"
    & skf21("7","2","6","6","4","1","2","1") = "6"
    & skf21("7","2","6","6","4","1","3","1") = "6"
    & skf21("7","2","6","6","4","1","4","1") = "6"
    & skf21("7","2","6","6","4","1","5","1") = "6"
    & skf21("7","2","6","6","4","1","6","1") = "6"
    & skf21("7","2","6","6","4","1","7","1") = "6"
    & skf21("7","2","6","6","4","2","1","1") = "6"
    & skf21("7","2","6","6","4","2","2","1") = "6"
    & skf21("7","2","6","6","4","2","3","1") = "6"
    & skf21("7","2","6","6","4","2","4","1") = "6"
    & skf21("7","2","6","6","4","2","5","1") = "6"
    & skf21("7","2","6","6","4","2","6","1") = "6"
    & skf21("7","2","6","6","4","2","7","1") = "6"
    & skf21("7","2","6","6","4","3","1","1") = "6"
    & skf21("7","2","6","6","4","3","2","1") = "6"
    & skf21("7","2","6","6","4","3","3","1") = "6"
    & skf21("7","2","6","6","4","3","4","1") = "6"
    & skf21("7","2","6","6","4","3","5","1") = "6"
    & skf21("7","2","6","6","4","3","6","1") = "6"
    & skf21("7","2","6","6","4","3","7","1") = "6"
    & skf21("7","2","6","6","4","4","1","1") = "6"
    & skf21("7","2","6","6","4","4","2","1") = "6"
    & skf21("7","2","6","6","4","4","3","1") = "6"
    & skf21("7","2","6","6","4","4","4","1") = "6"
    & skf21("7","2","6","6","4","4","5","1") = "6"
    & skf21("7","2","6","6","4","4","6","1") = "6"
    & skf21("7","2","6","6","4","4","7","1") = "6"
    & skf21("7","2","6","6","4","5","1","1") = "6"
    & skf21("7","2","6","6","4","5","2","1") = "6"
    & skf21("7","2","6","6","4","5","3","1") = "6"
    & skf21("7","2","6","6","4","5","4","1") = "6"
    & skf21("7","2","6","6","4","5","5","1") = "6"
    & skf21("7","2","6","6","4","5","6","1") = "6"
    & skf21("7","2","6","6","4","5","7","1") = "6"
    & skf21("7","2","6","6","4","6","1","1") = "6"
    & skf21("7","2","6","6","4","6","2","1") = "6"
    & skf21("7","2","6","6","4","6","3","1") = "6"
    & skf21("7","2","6","6","4","6","4","1") = "6"
    & skf21("7","2","6","6","4","6","5","1") = "6"
    & skf21("7","2","6","6","4","6","6","1") = "6"
    & skf21("7","2","6","6","4","6","7","1") = "6"
    & skf21("7","2","6","6","4","7","1","1") = "6"
    & skf21("7","2","6","6","4","7","2","1") = "6"
    & skf21("7","2","6","6","4","7","3","1") = "6"
    & skf21("7","2","6","6","4","7","4","1") = "6"
    & skf21("7","2","6","6","4","7","5","1") = "6"
    & skf21("7","2","6","6","4","7","6","1") = "6"
    & skf21("7","2","6","6","4","7","7","1") = "6"
    & skf21("7","2","6","6","5","1","1","1") = "6"
    & skf21("7","2","6","6","5","1","2","1") = "6"
    & skf21("7","2","6","6","5","1","3","1") = "6"
    & skf21("7","2","6","6","5","1","4","1") = "6"
    & skf21("7","2","6","6","5","1","5","1") = "6"
    & skf21("7","2","6","6","5","1","6","1") = "6"
    & skf21("7","2","6","6","5","1","7","1") = "6"
    & skf21("7","2","6","6","5","2","1","1") = "6"
    & skf21("7","2","6","6","5","2","2","1") = "6"
    & skf21("7","2","6","6","5","2","3","1") = "6"
    & skf21("7","2","6","6","5","2","4","1") = "6"
    & skf21("7","2","6","6","5","2","5","1") = "6"
    & skf21("7","2","6","6","5","2","6","1") = "6"
    & skf21("7","2","6","6","5","2","7","1") = "6"
    & skf21("7","2","6","6","5","3","1","1") = "6"
    & skf21("7","2","6","6","5","3","2","1") = "6"
    & skf21("7","2","6","6","5","3","3","1") = "6"
    & skf21("7","2","6","6","5","3","4","1") = "6"
    & skf21("7","2","6","6","5","3","5","1") = "6"
    & skf21("7","2","6","6","5","3","6","1") = "6"
    & skf21("7","2","6","6","5","3","7","1") = "6"
    & skf21("7","2","6","6","5","4","1","1") = "6"
    & skf21("7","2","6","6","5","4","2","1") = "6"
    & skf21("7","2","6","6","5","4","3","1") = "6"
    & skf21("7","2","6","6","5","4","4","1") = "6"
    & skf21("7","2","6","6","5","4","5","1") = "6"
    & skf21("7","2","6","6","5","4","6","1") = "6"
    & skf21("7","2","6","6","5","4","7","1") = "6"
    & skf21("7","2","6","6","5","5","1","1") = "6"
    & skf21("7","2","6","6","5","5","2","1") = "6"
    & skf21("7","2","6","6","5","5","3","1") = "6"
    & skf21("7","2","6","6","5","5","4","1") = "6"
    & skf21("7","2","6","6","5","5","5","1") = "6"
    & skf21("7","2","6","6","5","5","6","1") = "6"
    & skf21("7","2","6","6","5","5","7","1") = "6"
    & skf21("7","2","6","6","5","6","1","1") = "6"
    & skf21("7","2","6","6","5","6","2","1") = "6"
    & skf21("7","2","6","6","5","6","3","1") = "6"
    & skf21("7","2","6","6","5","6","4","1") = "6"
    & skf21("7","2","6","6","5","6","5","1") = "6"
    & skf21("7","2","6","6","5","6","6","1") = "6"
    & skf21("7","2","6","6","5","6","7","1") = "6"
    & skf21("7","2","6","6","5","7","1","1") = "6"
    & skf21("7","2","6","6","5","7","2","1") = "6"
    & skf21("7","2","6","6","5","7","3","1") = "6"
    & skf21("7","2","6","6","5","7","4","1") = "6"
    & skf21("7","2","6","6","5","7","5","1") = "6"
    & skf21("7","2","6","6","5","7","6","1") = "6"
    & skf21("7","2","6","6","5","7","7","1") = "6"
    & skf21("7","2","6","6","6","1","1","1") = "6"
    & skf21("7","2","6","6","6","1","2","1") = "6"
    & skf21("7","2","6","6","6","1","3","1") = "6"
    & skf21("7","2","6","6","6","1","4","1") = "6"
    & skf21("7","2","6","6","6","1","5","1") = "6"
    & skf21("7","2","6","6","6","1","6","1") = "6"
    & skf21("7","2","6","6","6","1","7","1") = "6"
    & skf21("7","2","6","6","6","2","1","1") = "6"
    & skf21("7","2","6","6","6","2","2","1") = "6"
    & skf21("7","2","6","6","6","2","3","1") = "6"
    & skf21("7","2","6","6","6","2","4","1") = "6"
    & skf21("7","2","6","6","6","2","5","1") = "6"
    & skf21("7","2","6","6","6","2","6","1") = "6"
    & skf21("7","2","6","6","6","2","7","1") = "6"
    & skf21("7","2","6","6","6","3","1","1") = "6"
    & skf21("7","2","6","6","6","3","2","1") = "6"
    & skf21("7","2","6","6","6","3","3","1") = "6"
    & skf21("7","2","6","6","6","3","4","1") = "6"
    & skf21("7","2","6","6","6","3","5","1") = "6"
    & skf21("7","2","6","6","6","3","6","1") = "6"
    & skf21("7","2","6","6","6","3","7","1") = "6"
    & skf21("7","2","6","6","6","4","1","1") = "6"
    & skf21("7","2","6","6","6","4","2","1") = "6"
    & skf21("7","2","6","6","6","4","3","1") = "6"
    & skf21("7","2","6","6","6","4","4","1") = "6"
    & skf21("7","2","6","6","6","4","5","1") = "6"
    & skf21("7","2","6","6","6","4","6","1") = "6"
    & skf21("7","2","6","6","6","4","7","1") = "6"
    & skf21("7","2","6","6","6","5","1","1") = "6"
    & skf21("7","2","6","6","6","5","2","1") = "6"
    & skf21("7","2","6","6","6","5","3","1") = "6"
    & skf21("7","2","6","6","6","5","4","1") = "6"
    & skf21("7","2","6","6","6","5","5","1") = "6"
    & skf21("7","2","6","6","6","5","6","1") = "6"
    & skf21("7","2","6","6","6","5","7","1") = "6"
    & skf21("7","2","6","6","6","6","1","1") = "6"
    & skf21("7","2","6","6","6","6","2","1") = "6"
    & skf21("7","2","6","6","6","6","3","1") = "6"
    & skf21("7","2","6","6","6","6","4","1") = "6"
    & skf21("7","2","6","6","6","6","5","1") = "6"
    & skf21("7","2","6","6","6","6","6","1") = "6"
    & skf21("7","2","6","6","6","6","7","1") = "6"
    & skf21("7","2","6","6","6","7","1","1") = "6"
    & skf21("7","2","6","6","6","7","2","1") = "6"
    & skf21("7","2","6","6","6","7","3","1") = "6"
    & skf21("7","2","6","6","6","7","4","1") = "6"
    & skf21("7","2","6","6","6","7","5","1") = "6"
    & skf21("7","2","6","6","6","7","6","1") = "6"
    & skf21("7","2","6","6","6","7","7","1") = "6"
    & skf21("7","2","6","6","7","1","1","1") = "6"
    & skf21("7","2","6","6","7","1","2","1") = "6"
    & skf21("7","2","6","6","7","1","3","1") = "6"
    & skf21("7","2","6","6","7","1","4","1") = "6"
    & skf21("7","2","6","6","7","1","5","1") = "6"
    & skf21("7","2","6","6","7","1","6","1") = "6"
    & skf21("7","2","6","6","7","1","7","1") = "6"
    & skf21("7","2","6","6","7","2","1","1") = "6"
    & skf21("7","2","6","6","7","2","2","1") = "6"
    & skf21("7","2","6","6","7","2","3","1") = "6"
    & skf21("7","2","6","6","7","2","4","1") = "6"
    & skf21("7","2","6","6","7","2","5","1") = "6"
    & skf21("7","2","6","6","7","2","6","1") = "6"
    & skf21("7","2","6","6","7","2","7","1") = "6"
    & skf21("7","2","6","6","7","3","1","1") = "6"
    & skf21("7","2","6","6","7","3","2","1") = "6"
    & skf21("7","2","6","6","7","3","3","1") = "6"
    & skf21("7","2","6","6","7","3","4","1") = "6"
    & skf21("7","2","6","6","7","3","5","1") = "6"
    & skf21("7","2","6","6","7","3","6","1") = "6"
    & skf21("7","2","6","6","7","3","7","1") = "6"
    & skf21("7","2","6","6","7","4","1","1") = "6"
    & skf21("7","2","6","6","7","4","2","1") = "6"
    & skf21("7","2","6","6","7","4","3","1") = "6"
    & skf21("7","2","6","6","7","4","4","1") = "6"
    & skf21("7","2","6","6","7","4","5","1") = "6"
    & skf21("7","2","6","6","7","4","6","1") = "6"
    & skf21("7","2","6","6","7","4","7","1") = "6"
    & skf21("7","2","6","6","7","5","1","1") = "6"
    & skf21("7","2","6","6","7","5","2","1") = "6"
    & skf21("7","2","6","6","7","5","3","1") = "6"
    & skf21("7","2","6","6","7","5","4","1") = "6"
    & skf21("7","2","6","6","7","5","5","1") = "6"
    & skf21("7","2","6","6","7","5","6","1") = "6"
    & skf21("7","2","6","6","7","5","7","1") = "6"
    & skf21("7","2","6","6","7","6","1","1") = "6"
    & skf21("7","2","6","6","7","6","2","1") = "6"
    & skf21("7","2","6","6","7","6","3","1") = "6"
    & skf21("7","2","6","6","7","6","4","1") = "6"
    & skf21("7","2","6","6","7","6","5","1") = "6"
    & skf21("7","2","6","6","7","6","6","1") = "6"
    & skf21("7","2","6","6","7","6","7","1") = "6"
    & skf21("7","2","6","6","7","7","1","1") = "6"
    & skf21("7","2","6","6","7","7","2","1") = "6"
    & skf21("7","2","6","6","7","7","3","1") = "6"
    & skf21("7","2","6","6","7","7","4","1") = "6"
    & skf21("7","2","6","6","7","7","5","1") = "6"
    & skf21("7","2","6","6","7","7","6","1") = "6"
    & skf21("7","2","6","6","7","7","7","1") = "6"
    & skf21("7","2","6","7","1","1","1","1") = "6"
    & skf21("7","2","6","7","1","1","2","1") = "6"
    & skf21("7","2","6","7","1","1","3","1") = "6"
    & skf21("7","2","6","7","1","1","4","1") = "6"
    & skf21("7","2","6","7","1","1","5","1") = "6"
    & skf21("7","2","6","7","1","1","6","1") = "6"
    & skf21("7","2","6","7","1","1","7","1") = "6"
    & skf21("7","2","6","7","1","2","1","1") = "6"
    & skf21("7","2","6","7","1","2","2","1") = "6"
    & skf21("7","2","6","7","1","2","3","1") = "6"
    & skf21("7","2","6","7","1","2","4","1") = "6"
    & skf21("7","2","6","7","1","2","5","1") = "6"
    & skf21("7","2","6","7","1","2","6","1") = "6"
    & skf21("7","2","6","7","1","2","7","1") = "6"
    & skf21("7","2","6","7","1","3","1","1") = "6"
    & skf21("7","2","6","7","1","3","2","1") = "6"
    & skf21("7","2","6","7","1","3","3","1") = "6"
    & skf21("7","2","6","7","1","3","4","1") = "6"
    & skf21("7","2","6","7","1","3","5","1") = "6"
    & skf21("7","2","6","7","1","3","6","1") = "6"
    & skf21("7","2","6","7","1","3","7","1") = "6"
    & skf21("7","2","6","7","1","4","1","1") = "6"
    & skf21("7","2","6","7","1","4","2","1") = "6"
    & skf21("7","2","6","7","1","4","3","1") = "6"
    & skf21("7","2","6","7","1","4","4","1") = "6"
    & skf21("7","2","6","7","1","4","5","1") = "6"
    & skf21("7","2","6","7","1","4","6","1") = "6"
    & skf21("7","2","6","7","1","4","7","1") = "6"
    & skf21("7","2","6","7","1","5","1","1") = "6"
    & skf21("7","2","6","7","1","5","2","1") = "6"
    & skf21("7","2","6","7","1","5","3","1") = "6"
    & skf21("7","2","6","7","1","5","4","1") = "6"
    & skf21("7","2","6","7","1","5","5","1") = "6"
    & skf21("7","2","6","7","1","5","6","1") = "6"
    & skf21("7","2","6","7","1","5","7","1") = "6"
    & skf21("7","2","6","7","1","6","1","1") = "6"
    & skf21("7","2","6","7","1","6","2","1") = "6"
    & skf21("7","2","6","7","1","6","3","1") = "6"
    & skf21("7","2","6","7","1","6","4","1") = "6"
    & skf21("7","2","6","7","1","6","5","1") = "6"
    & skf21("7","2","6","7","1","6","6","1") = "6"
    & skf21("7","2","6","7","1","6","7","1") = "6"
    & skf21("7","2","6","7","1","7","1","1") = "6"
    & skf21("7","2","6","7","1","7","2","1") = "6"
    & skf21("7","2","6","7","1","7","3","1") = "6"
    & skf21("7","2","6","7","1","7","4","1") = "6"
    & skf21("7","2","6","7","1","7","5","1") = "6"
    & skf21("7","2","6","7","1","7","6","1") = "6"
    & skf21("7","2","6","7","1","7","7","1") = "6"
    & skf21("7","2","6","7","2","1","1","1") = "6"
    & skf21("7","2","6","7","2","1","2","1") = "6"
    & skf21("7","2","6","7","2","1","3","1") = "6"
    & skf21("7","2","6","7","2","1","4","1") = "6"
    & skf21("7","2","6","7","2","1","5","1") = "6"
    & skf21("7","2","6","7","2","1","6","1") = "6"
    & skf21("7","2","6","7","2","1","7","1") = "6"
    & skf21("7","2","6","7","2","2","1","1") = "6"
    & skf21("7","2","6","7","2","2","2","1") = "6"
    & skf21("7","2","6","7","2","2","3","1") = "6"
    & skf21("7","2","6","7","2","2","4","1") = "6"
    & skf21("7","2","6","7","2","2","5","1") = "6"
    & skf21("7","2","6","7","2","2","6","1") = "6"
    & skf21("7","2","6","7","2","2","7","1") = "6"
    & skf21("7","2","6","7","2","3","1","1") = "6"
    & skf21("7","2","6","7","2","3","2","1") = "6"
    & skf21("7","2","6","7","2","3","3","1") = "6"
    & skf21("7","2","6","7","2","3","4","1") = "6"
    & skf21("7","2","6","7","2","3","5","1") = "6"
    & skf21("7","2","6","7","2","3","6","1") = "6"
    & skf21("7","2","6","7","2","3","7","1") = "6"
    & skf21("7","2","6","7","2","4","1","1") = "6"
    & skf21("7","2","6","7","2","4","2","1") = "6"
    & skf21("7","2","6","7","2","4","3","1") = "6"
    & skf21("7","2","6","7","2","4","4","1") = "6"
    & skf21("7","2","6","7","2","4","5","1") = "6"
    & skf21("7","2","6","7","2","4","6","1") = "6"
    & skf21("7","2","6","7","2","4","7","1") = "6"
    & skf21("7","2","6","7","2","5","1","1") = "6"
    & skf21("7","2","6","7","2","5","2","1") = "6"
    & skf21("7","2","6","7","2","5","3","1") = "6"
    & skf21("7","2","6","7","2","5","4","1") = "6"
    & skf21("7","2","6","7","2","5","5","1") = "6"
    & skf21("7","2","6","7","2","5","6","1") = "6"
    & skf21("7","2","6","7","2","5","7","1") = "6"
    & skf21("7","2","6","7","2","6","1","1") = "6"
    & skf21("7","2","6","7","2","6","2","1") = "6"
    & skf21("7","2","6","7","2","6","3","1") = "6"
    & skf21("7","2","6","7","2","6","4","1") = "6"
    & skf21("7","2","6","7","2","6","5","1") = "6"
    & skf21("7","2","6","7","2","6","6","1") = "6"
    & skf21("7","2","6","7","2","6","7","1") = "6"
    & skf21("7","2","6","7","2","7","1","1") = "6"
    & skf21("7","2","6","7","2","7","2","1") = "6"
    & skf21("7","2","6","7","2","7","3","1") = "6"
    & skf21("7","2","6","7","2","7","4","1") = "6"
    & skf21("7","2","6","7","2","7","5","1") = "6"
    & skf21("7","2","6","7","2","7","6","1") = "6"
    & skf21("7","2","6","7","2","7","7","1") = "6"
    & skf21("7","2","6","7","3","1","1","1") = "6"
    & skf21("7","2","6","7","3","1","2","1") = "6"
    & skf21("7","2","6","7","3","1","3","1") = "6"
    & skf21("7","2","6","7","3","1","4","1") = "6"
    & skf21("7","2","6","7","3","1","5","1") = "6"
    & skf21("7","2","6","7","3","1","6","1") = "6"
    & skf21("7","2","6","7","3","1","7","1") = "6"
    & skf21("7","2","6","7","3","2","1","1") = "6"
    & skf21("7","2","6","7","3","2","2","1") = "6"
    & skf21("7","2","6","7","3","2","3","1") = "6"
    & skf21("7","2","6","7","3","2","4","1") = "6"
    & skf21("7","2","6","7","3","2","5","1") = "6"
    & skf21("7","2","6","7","3","2","6","1") = "6"
    & skf21("7","2","6","7","3","2","7","1") = "6"
    & skf21("7","2","6","7","3","3","1","1") = "6"
    & skf21("7","2","6","7","3","3","2","1") = "6"
    & skf21("7","2","6","7","3","3","3","1") = "6"
    & skf21("7","2","6","7","3","3","4","1") = "6"
    & skf21("7","2","6","7","3","3","5","1") = "6"
    & skf21("7","2","6","7","3","3","6","1") = "6"
    & skf21("7","2","6","7","3","3","7","1") = "6"
    & skf21("7","2","6","7","3","4","1","1") = "6"
    & skf21("7","2","6","7","3","4","2","1") = "6"
    & skf21("7","2","6","7","3","4","3","1") = "6"
    & skf21("7","2","6","7","3","4","4","1") = "6"
    & skf21("7","2","6","7","3","4","5","1") = "6"
    & skf21("7","2","6","7","3","4","6","1") = "6"
    & skf21("7","2","6","7","3","4","7","1") = "6"
    & skf21("7","2","6","7","3","5","1","1") = "6"
    & skf21("7","2","6","7","3","5","2","1") = "6"
    & skf21("7","2","6","7","3","5","3","1") = "6"
    & skf21("7","2","6","7","3","5","4","1") = "6"
    & skf21("7","2","6","7","3","5","5","1") = "6"
    & skf21("7","2","6","7","3","5","6","1") = "6"
    & skf21("7","2","6","7","3","5","7","1") = "6"
    & skf21("7","2","6","7","3","6","1","1") = "6"
    & skf21("7","2","6","7","3","6","2","1") = "6"
    & skf21("7","2","6","7","3","6","3","1") = "6"
    & skf21("7","2","6","7","3","6","4","1") = "6"
    & skf21("7","2","6","7","3","6","5","1") = "6"
    & skf21("7","2","6","7","3","6","6","1") = "6"
    & skf21("7","2","6","7","3","6","7","1") = "6"
    & skf21("7","2","6","7","3","7","1","1") = "6"
    & skf21("7","2","6","7","3","7","2","1") = "6"
    & skf21("7","2","6","7","3","7","3","1") = "6"
    & skf21("7","2","6","7","3","7","4","1") = "6"
    & skf21("7","2","6","7","3","7","5","1") = "6"
    & skf21("7","2","6","7","3","7","6","1") = "6"
    & skf21("7","2","6","7","3","7","7","1") = "6"
    & skf21("7","2","6","7","4","1","1","1") = "6"
    & skf21("7","2","6","7","4","1","2","1") = "6"
    & skf21("7","2","6","7","4","1","3","1") = "6"
    & skf21("7","2","6","7","4","1","4","1") = "6"
    & skf21("7","2","6","7","4","1","5","1") = "6"
    & skf21("7","2","6","7","4","1","6","1") = "6"
    & skf21("7","2","6","7","4","1","7","1") = "6"
    & skf21("7","2","6","7","4","2","1","1") = "6"
    & skf21("7","2","6","7","4","2","2","1") = "6"
    & skf21("7","2","6","7","4","2","3","1") = "6"
    & skf21("7","2","6","7","4","2","4","1") = "6"
    & skf21("7","2","6","7","4","2","5","1") = "6"
    & skf21("7","2","6","7","4","2","6","1") = "6"
    & skf21("7","2","6","7","4","2","7","1") = "6"
    & skf21("7","2","6","7","4","3","1","1") = "6"
    & skf21("7","2","6","7","4","3","2","1") = "6"
    & skf21("7","2","6","7","4","3","3","1") = "6"
    & skf21("7","2","6","7","4","3","4","1") = "6"
    & skf21("7","2","6","7","4","3","5","1") = "6"
    & skf21("7","2","6","7","4","3","6","1") = "6"
    & skf21("7","2","6","7","4","3","7","1") = "6"
    & skf21("7","2","6","7","4","4","1","1") = "6"
    & skf21("7","2","6","7","4","4","2","1") = "6"
    & skf21("7","2","6","7","4","4","3","1") = "6"
    & skf21("7","2","6","7","4","4","4","1") = "6"
    & skf21("7","2","6","7","4","4","5","1") = "6"
    & skf21("7","2","6","7","4","4","6","1") = "6"
    & skf21("7","2","6","7","4","4","7","1") = "6"
    & skf21("7","2","6","7","4","5","1","1") = "6"
    & skf21("7","2","6","7","4","5","2","1") = "6"
    & skf21("7","2","6","7","4","5","3","1") = "6"
    & skf21("7","2","6","7","4","5","4","1") = "6"
    & skf21("7","2","6","7","4","5","5","1") = "6"
    & skf21("7","2","6","7","4","5","6","1") = "6"
    & skf21("7","2","6","7","4","5","7","1") = "6"
    & skf21("7","2","6","7","4","6","1","1") = "6"
    & skf21("7","2","6","7","4","6","2","1") = "6"
    & skf21("7","2","6","7","4","6","3","1") = "6"
    & skf21("7","2","6","7","4","6","4","1") = "6"
    & skf21("7","2","6","7","4","6","5","1") = "6"
    & skf21("7","2","6","7","4","6","6","1") = "6"
    & skf21("7","2","6","7","4","6","7","1") = "6"
    & skf21("7","2","6","7","4","7","1","1") = "6"
    & skf21("7","2","6","7","4","7","2","1") = "6"
    & skf21("7","2","6","7","4","7","3","1") = "6"
    & skf21("7","2","6","7","4","7","4","1") = "6"
    & skf21("7","2","6","7","4","7","5","1") = "6"
    & skf21("7","2","6","7","4","7","6","1") = "6"
    & skf21("7","2","6","7","4","7","7","1") = "6"
    & skf21("7","2","6","7","5","1","1","1") = "6"
    & skf21("7","2","6","7","5","1","2","1") = "6"
    & skf21("7","2","6","7","5","1","3","1") = "6"
    & skf21("7","2","6","7","5","1","4","1") = "6"
    & skf21("7","2","6","7","5","1","5","1") = "6"
    & skf21("7","2","6","7","5","1","6","1") = "6"
    & skf21("7","2","6","7","5","1","7","1") = "6"
    & skf21("7","2","6","7","5","2","1","1") = "6"
    & skf21("7","2","6","7","5","2","2","1") = "6"
    & skf21("7","2","6","7","5","2","3","1") = "6"
    & skf21("7","2","6","7","5","2","4","1") = "6"
    & skf21("7","2","6","7","5","2","5","1") = "6"
    & skf21("7","2","6","7","5","2","6","1") = "6"
    & skf21("7","2","6","7","5","2","7","1") = "6"
    & skf21("7","2","6","7","5","3","1","1") = "6"
    & skf21("7","2","6","7","5","3","2","1") = "6"
    & skf21("7","2","6","7","5","3","3","1") = "6"
    & skf21("7","2","6","7","5","3","4","1") = "6"
    & skf21("7","2","6","7","5","3","5","1") = "6"
    & skf21("7","2","6","7","5","3","6","1") = "6"
    & skf21("7","2","6","7","5","3","7","1") = "6"
    & skf21("7","2","6","7","5","4","1","1") = "6"
    & skf21("7","2","6","7","5","4","2","1") = "6"
    & skf21("7","2","6","7","5","4","3","1") = "6"
    & skf21("7","2","6","7","5","4","4","1") = "6"
    & skf21("7","2","6","7","5","4","5","1") = "6"
    & skf21("7","2","6","7","5","4","6","1") = "6"
    & skf21("7","2","6","7","5","4","7","1") = "6"
    & skf21("7","2","6","7","5","5","1","1") = "6"
    & skf21("7","2","6","7","5","5","2","1") = "6"
    & skf21("7","2","6","7","5","5","3","1") = "6"
    & skf21("7","2","6","7","5","5","4","1") = "6"
    & skf21("7","2","6","7","5","5","5","1") = "6"
    & skf21("7","2","6","7","5","5","6","1") = "6"
    & skf21("7","2","6","7","5","5","7","1") = "6"
    & skf21("7","2","6","7","5","6","1","1") = "6"
    & skf21("7","2","6","7","5","6","2","1") = "6"
    & skf21("7","2","6","7","5","6","3","1") = "6"
    & skf21("7","2","6","7","5","6","4","1") = "6"
    & skf21("7","2","6","7","5","6","5","1") = "6"
    & skf21("7","2","6","7","5","6","6","1") = "6"
    & skf21("7","2","6","7","5","6","7","1") = "6"
    & skf21("7","2","6","7","5","7","1","1") = "6"
    & skf21("7","2","6","7","5","7","2","1") = "6"
    & skf21("7","2","6","7","5","7","3","1") = "6"
    & skf21("7","2","6","7","5","7","4","1") = "6"
    & skf21("7","2","6","7","5","7","5","1") = "6"
    & skf21("7","2","6","7","5","7","6","1") = "6"
    & skf21("7","2","6","7","5","7","7","1") = "6"
    & skf21("7","2","6","7","6","1","1","1") = "6"
    & skf21("7","2","6","7","6","1","2","1") = "6"
    & skf21("7","2","6","7","6","1","3","1") = "6"
    & skf21("7","2","6","7","6","1","4","1") = "6"
    & skf21("7","2","6","7","6","1","5","1") = "6"
    & skf21("7","2","6","7","6","1","6","1") = "6"
    & skf21("7","2","6","7","6","1","7","1") = "6"
    & skf21("7","2","6","7","6","2","1","1") = "6"
    & skf21("7","2","6","7","6","2","2","1") = "6"
    & skf21("7","2","6","7","6","2","3","1") = "6"
    & skf21("7","2","6","7","6","2","4","1") = "6"
    & skf21("7","2","6","7","6","2","5","1") = "6"
    & skf21("7","2","6","7","6","2","6","1") = "6"
    & skf21("7","2","6","7","6","2","7","1") = "6"
    & skf21("7","2","6","7","6","3","1","1") = "6"
    & skf21("7","2","6","7","6","3","2","1") = "6"
    & skf21("7","2","6","7","6","3","3","1") = "6"
    & skf21("7","2","6","7","6","3","4","1") = "6"
    & skf21("7","2","6","7","6","3","5","1") = "6"
    & skf21("7","2","6","7","6","3","6","1") = "6"
    & skf21("7","2","6","7","6","3","7","1") = "6"
    & skf21("7","2","6","7","6","4","1","1") = "6"
    & skf21("7","2","6","7","6","4","2","1") = "6"
    & skf21("7","2","6","7","6","4","3","1") = "6"
    & skf21("7","2","6","7","6","4","4","1") = "6"
    & skf21("7","2","6","7","6","4","5","1") = "6"
    & skf21("7","2","6","7","6","4","6","1") = "6"
    & skf21("7","2","6","7","6","4","7","1") = "6"
    & skf21("7","2","6","7","6","5","1","1") = "6"
    & skf21("7","2","6","7","6","5","2","1") = "6"
    & skf21("7","2","6","7","6","5","3","1") = "6"
    & skf21("7","2","6","7","6","5","4","1") = "6"
    & skf21("7","2","6","7","6","5","5","1") = "6"
    & skf21("7","2","6","7","6","5","6","1") = "6"
    & skf21("7","2","6","7","6","5","7","1") = "6"
    & skf21("7","2","6","7","6","6","1","1") = "6"
    & skf21("7","2","6","7","6","6","2","1") = "6"
    & skf21("7","2","6","7","6","6","3","1") = "6"
    & skf21("7","2","6","7","6","6","4","1") = "6"
    & skf21("7","2","6","7","6","6","5","1") = "6"
    & skf21("7","2","6","7","6","6","6","1") = "6"
    & skf21("7","2","6","7","6","6","7","1") = "6"
    & skf21("7","2","6","7","6","7","1","1") = "6"
    & skf21("7","2","6","7","6","7","2","1") = "6"
    & skf21("7","2","6","7","6","7","3","1") = "6"
    & skf21("7","2","6","7","6","7","4","1") = "6"
    & skf21("7","2","6","7","6","7","5","1") = "6"
    & skf21("7","2","6","7","6","7","6","1") = "6"
    & skf21("7","2","6","7","6","7","7","1") = "6"
    & skf21("7","2","6","7","7","1","1","1") = "6"
    & skf21("7","2","6","7","7","1","2","1") = "6"
    & skf21("7","2","6","7","7","1","3","1") = "6"
    & skf21("7","2","6","7","7","1","4","1") = "6"
    & skf21("7","2","6","7","7","1","5","1") = "6"
    & skf21("7","2","6","7","7","1","6","1") = "6"
    & skf21("7","2","6","7","7","1","7","1") = "6"
    & skf21("7","2","6","7","7","2","1","1") = "6"
    & skf21("7","2","6","7","7","2","2","1") = "6"
    & skf21("7","2","6","7","7","2","3","1") = "6"
    & skf21("7","2","6","7","7","2","4","1") = "6"
    & skf21("7","2","6","7","7","2","5","1") = "6"
    & skf21("7","2","6","7","7","2","6","1") = "6"
    & skf21("7","2","6","7","7","2","7","1") = "6"
    & skf21("7","2","6","7","7","3","1","1") = "6"
    & skf21("7","2","6","7","7","3","2","1") = "6"
    & skf21("7","2","6","7","7","3","3","1") = "6"
    & skf21("7","2","6","7","7","3","4","1") = "6"
    & skf21("7","2","6","7","7","3","5","1") = "6"
    & skf21("7","2","6","7","7","3","6","1") = "6"
    & skf21("7","2","6","7","7","3","7","1") = "6"
    & skf21("7","2","6","7","7","4","1","1") = "6"
    & skf21("7","2","6","7","7","4","2","1") = "6"
    & skf21("7","2","6","7","7","4","3","1") = "6"
    & skf21("7","2","6","7","7","4","4","1") = "6"
    & skf21("7","2","6","7","7","4","5","1") = "6"
    & skf21("7","2","6","7","7","4","6","1") = "6"
    & skf21("7","2","6","7","7","4","7","1") = "6"
    & skf21("7","2","6","7","7","5","1","1") = "6"
    & skf21("7","2","6","7","7","5","2","1") = "6"
    & skf21("7","2","6","7","7","5","3","1") = "6"
    & skf21("7","2","6","7","7","5","4","1") = "6"
    & skf21("7","2","6","7","7","5","5","1") = "6"
    & skf21("7","2","6","7","7","5","6","1") = "6"
    & skf21("7","2","6","7","7","5","7","1") = "6"
    & skf21("7","2","6","7","7","6","1","1") = "6"
    & skf21("7","2","6","7","7","6","2","1") = "6"
    & skf21("7","2","6","7","7","6","3","1") = "6"
    & skf21("7","2","6","7","7","6","4","1") = "6"
    & skf21("7","2","6","7","7","6","5","1") = "6"
    & skf21("7","2","6","7","7","6","6","1") = "6"
    & skf21("7","2","6","7","7","6","7","1") = "6"
    & skf21("7","2","6","7","7","7","1","1") = "6"
    & skf21("7","2","6","7","7","7","2","1") = "6"
    & skf21("7","2","6","7","7","7","3","1") = "6"
    & skf21("7","2","6","7","7","7","4","1") = "6"
    & skf21("7","2","6","7","7","7","5","1") = "6"
    & skf21("7","2","6","7","7","7","6","1") = "6"
    & skf21("7","2","6","7","7","7","7","1") = "6"
    & skf21("7","2","7","1","1","1","1","1") = "6"
    & skf21("7","2","7","1","1","1","2","1") = "6"
    & skf21("7","2","7","1","1","1","3","1") = "6"
    & skf21("7","2","7","1","1","1","4","1") = "6"
    & skf21("7","2","7","1","1","1","5","1") = "6"
    & skf21("7","2","7","1","1","1","6","1") = "6"
    & skf21("7","2","7","1","1","1","7","1") = "6"
    & skf21("7","2","7","1","1","2","1","1") = "6"
    & skf21("7","2","7","1","1","2","2","1") = "6"
    & skf21("7","2","7","1","1","2","3","1") = "6"
    & skf21("7","2","7","1","1","2","4","1") = "6"
    & skf21("7","2","7","1","1","2","5","1") = "6"
    & skf21("7","2","7","1","1","2","6","1") = "6"
    & skf21("7","2","7","1","1","2","7","1") = "6"
    & skf21("7","2","7","1","1","3","1","1") = "6"
    & skf21("7","2","7","1","1","3","2","1") = "6"
    & skf21("7","2","7","1","1","3","3","1") = "6"
    & skf21("7","2","7","1","1","3","4","1") = "6"
    & skf21("7","2","7","1","1","3","5","1") = "6"
    & skf21("7","2","7","1","1","3","6","1") = "6"
    & skf21("7","2","7","1","1","3","7","1") = "6"
    & skf21("7","2","7","1","1","4","1","1") = "6"
    & skf21("7","2","7","1","1","4","2","1") = "6"
    & skf21("7","2","7","1","1","4","3","1") = "6"
    & skf21("7","2","7","1","1","4","4","1") = "6"
    & skf21("7","2","7","1","1","4","5","1") = "6"
    & skf21("7","2","7","1","1","4","6","1") = "6"
    & skf21("7","2","7","1","1","4","7","1") = "6"
    & skf21("7","2","7","1","1","5","1","1") = "6"
    & skf21("7","2","7","1","1","5","2","1") = "6"
    & skf21("7","2","7","1","1","5","3","1") = "6"
    & skf21("7","2","7","1","1","5","4","1") = "6"
    & skf21("7","2","7","1","1","5","5","1") = "6"
    & skf21("7","2","7","1","1","5","6","1") = "6"
    & skf21("7","2","7","1","1","5","7","1") = "6"
    & skf21("7","2","7","1","1","6","1","1") = "6"
    & skf21("7","2","7","1","1","6","2","1") = "6"
    & skf21("7","2","7","1","1","6","3","1") = "6"
    & skf21("7","2","7","1","1","6","4","1") = "6"
    & skf21("7","2","7","1","1","6","5","1") = "6"
    & skf21("7","2","7","1","1","6","6","1") = "6"
    & skf21("7","2","7","1","1","6","7","1") = "6"
    & skf21("7","2","7","1","1","7","1","1") = "6"
    & skf21("7","2","7","1","1","7","2","1") = "6"
    & skf21("7","2","7","1","1","7","3","1") = "6"
    & skf21("7","2","7","1","1","7","4","1") = "6"
    & skf21("7","2","7","1","1","7","5","1") = "6"
    & skf21("7","2","7","1","1","7","6","1") = "6"
    & skf21("7","2","7","1","1","7","7","1") = "6"
    & skf21("7","2","7","1","2","1","1","1") = "6"
    & skf21("7","2","7","1","2","1","2","1") = "6"
    & skf21("7","2","7","1","2","1","3","1") = "6"
    & skf21("7","2","7","1","2","1","4","1") = "6"
    & skf21("7","2","7","1","2","1","5","1") = "6"
    & skf21("7","2","7","1","2","1","6","1") = "6"
    & skf21("7","2","7","1","2","1","7","1") = "6"
    & skf21("7","2","7","1","2","2","1","1") = "6"
    & skf21("7","2","7","1","2","2","2","1") = "6"
    & skf21("7","2","7","1","2","2","3","1") = "6"
    & skf21("7","2","7","1","2","2","4","1") = "6"
    & skf21("7","2","7","1","2","2","5","1") = "6"
    & skf21("7","2","7","1","2","2","6","1") = "6"
    & skf21("7","2","7","1","2","2","7","1") = "6"
    & skf21("7","2","7","1","2","3","1","1") = "6"
    & skf21("7","2","7","1","2","3","2","1") = "6"
    & skf21("7","2","7","1","2","3","3","1") = "6"
    & skf21("7","2","7","1","2","3","4","1") = "6"
    & skf21("7","2","7","1","2","3","5","1") = "6"
    & skf21("7","2","7","1","2","3","6","1") = "6"
    & skf21("7","2","7","1","2","3","7","1") = "6"
    & skf21("7","2","7","1","2","4","1","1") = "6"
    & skf21("7","2","7","1","2","4","2","1") = "6"
    & skf21("7","2","7","1","2","4","3","1") = "6"
    & skf21("7","2","7","1","2","4","4","1") = "6"
    & skf21("7","2","7","1","2","4","5","1") = "6"
    & skf21("7","2","7","1","2","4","6","1") = "6"
    & skf21("7","2","7","1","2","4","7","1") = "6"
    & skf21("7","2","7","1","2","5","1","1") = "6"
    & skf21("7","2","7","1","2","5","2","1") = "6"
    & skf21("7","2","7","1","2","5","3","1") = "6"
    & skf21("7","2","7","1","2","5","4","1") = "6"
    & skf21("7","2","7","1","2","5","5","1") = "6"
    & skf21("7","2","7","1","2","5","6","1") = "6"
    & skf21("7","2","7","1","2","5","7","1") = "6"
    & skf21("7","2","7","1","2","6","1","1") = "6"
    & skf21("7","2","7","1","2","6","2","1") = "6"
    & skf21("7","2","7","1","2","6","3","1") = "6"
    & skf21("7","2","7","1","2","6","4","1") = "6"
    & skf21("7","2","7","1","2","6","5","1") = "6"
    & skf21("7","2","7","1","2","6","6","1") = "6"
    & skf21("7","2","7","1","2","6","7","1") = "6"
    & skf21("7","2","7","1","2","7","1","1") = "6"
    & skf21("7","2","7","1","2","7","2","1") = "6"
    & skf21("7","2","7","1","2","7","3","1") = "6"
    & skf21("7","2","7","1","2","7","4","1") = "6"
    & skf21("7","2","7","1","2","7","5","1") = "6"
    & skf21("7","2","7","1","2","7","6","1") = "6"
    & skf21("7","2","7","1","2","7","7","1") = "6"
    & skf21("7","2","7","1","3","1","1","1") = "6"
    & skf21("7","2","7","1","3","1","2","1") = "6"
    & skf21("7","2","7","1","3","1","3","1") = "6"
    & skf21("7","2","7","1","3","1","4","1") = "6"
    & skf21("7","2","7","1","3","1","5","1") = "6"
    & skf21("7","2","7","1","3","1","6","1") = "6"
    & skf21("7","2","7","1","3","1","7","1") = "6"
    & skf21("7","2","7","1","3","2","1","1") = "6"
    & skf21("7","2","7","1","3","2","2","1") = "6"
    & skf21("7","2","7","1","3","2","3","1") = "6"
    & skf21("7","2","7","1","3","2","4","1") = "6"
    & skf21("7","2","7","1","3","2","5","1") = "6"
    & skf21("7","2","7","1","3","2","6","1") = "6"
    & skf21("7","2","7","1","3","2","7","1") = "6"
    & skf21("7","2","7","1","3","3","1","1") = "6"
    & skf21("7","2","7","1","3","3","2","1") = "6"
    & skf21("7","2","7","1","3","3","3","1") = "6"
    & skf21("7","2","7","1","3","3","4","1") = "6"
    & skf21("7","2","7","1","3","3","5","1") = "6"
    & skf21("7","2","7","1","3","3","6","1") = "6"
    & skf21("7","2","7","1","3","3","7","1") = "6"
    & skf21("7","2","7","1","3","4","1","1") = "6"
    & skf21("7","2","7","1","3","4","2","1") = "6"
    & skf21("7","2","7","1","3","4","3","1") = "6"
    & skf21("7","2","7","1","3","4","4","1") = "6"
    & skf21("7","2","7","1","3","4","5","1") = "6"
    & skf21("7","2","7","1","3","4","6","1") = "6"
    & skf21("7","2","7","1","3","4","7","1") = "6"
    & skf21("7","2","7","1","3","5","1","1") = "6"
    & skf21("7","2","7","1","3","5","2","1") = "6"
    & skf21("7","2","7","1","3","5","3","1") = "6"
    & skf21("7","2","7","1","3","5","4","1") = "6"
    & skf21("7","2","7","1","3","5","5","1") = "6"
    & skf21("7","2","7","1","3","5","6","1") = "6"
    & skf21("7","2","7","1","3","5","7","1") = "6"
    & skf21("7","2","7","1","3","6","1","1") = "6"
    & skf21("7","2","7","1","3","6","2","1") = "6"
    & skf21("7","2","7","1","3","6","3","1") = "6"
    & skf21("7","2","7","1","3","6","4","1") = "6"
    & skf21("7","2","7","1","3","6","5","1") = "6"
    & skf21("7","2","7","1","3","6","6","1") = "6"
    & skf21("7","2","7","1","3","6","7","1") = "6"
    & skf21("7","2","7","1","3","7","1","1") = "6"
    & skf21("7","2","7","1","3","7","2","1") = "6"
    & skf21("7","2","7","1","3","7","3","1") = "6"
    & skf21("7","2","7","1","3","7","4","1") = "6"
    & skf21("7","2","7","1","3","7","5","1") = "6"
    & skf21("7","2","7","1","3","7","6","1") = "6"
    & skf21("7","2","7","1","3","7","7","1") = "6"
    & skf21("7","2","7","1","4","1","1","1") = "6"
    & skf21("7","2","7","1","4","1","2","1") = "6"
    & skf21("7","2","7","1","4","1","3","1") = "6"
    & skf21("7","2","7","1","4","1","4","1") = "6"
    & skf21("7","2","7","1","4","1","5","1") = "6"
    & skf21("7","2","7","1","4","1","6","1") = "6"
    & skf21("7","2","7","1","4","1","7","1") = "6"
    & skf21("7","2","7","1","4","2","1","1") = "6"
    & skf21("7","2","7","1","4","2","2","1") = "6"
    & skf21("7","2","7","1","4","2","3","1") = "6"
    & skf21("7","2","7","1","4","2","4","1") = "6"
    & skf21("7","2","7","1","4","2","5","1") = "6"
    & skf21("7","2","7","1","4","2","6","1") = "6"
    & skf21("7","2","7","1","4","2","7","1") = "6"
    & skf21("7","2","7","1","4","3","1","1") = "6"
    & skf21("7","2","7","1","4","3","2","1") = "6"
    & skf21("7","2","7","1","4","3","3","1") = "6"
    & skf21("7","2","7","1","4","3","4","1") = "6"
    & skf21("7","2","7","1","4","3","5","1") = "6"
    & skf21("7","2","7","1","4","3","6","1") = "6"
    & skf21("7","2","7","1","4","3","7","1") = "6"
    & skf21("7","2","7","1","4","4","1","1") = "6"
    & skf21("7","2","7","1","4","4","2","1") = "6"
    & skf21("7","2","7","1","4","4","3","1") = "6"
    & skf21("7","2","7","1","4","4","4","1") = "6"
    & skf21("7","2","7","1","4","4","5","1") = "6"
    & skf21("7","2","7","1","4","4","6","1") = "6"
    & skf21("7","2","7","1","4","4","7","1") = "6"
    & skf21("7","2","7","1","4","5","1","1") = "6"
    & skf21("7","2","7","1","4","5","2","1") = "6"
    & skf21("7","2","7","1","4","5","3","1") = "6"
    & skf21("7","2","7","1","4","5","4","1") = "6"
    & skf21("7","2","7","1","4","5","5","1") = "6"
    & skf21("7","2","7","1","4","5","6","1") = "6"
    & skf21("7","2","7","1","4","5","7","1") = "6"
    & skf21("7","2","7","1","4","6","1","1") = "6"
    & skf21("7","2","7","1","4","6","2","1") = "6"
    & skf21("7","2","7","1","4","6","3","1") = "6"
    & skf21("7","2","7","1","4","6","4","1") = "6"
    & skf21("7","2","7","1","4","6","5","1") = "6"
    & skf21("7","2","7","1","4","6","6","1") = "6"
    & skf21("7","2","7","1","4","6","7","1") = "6"
    & skf21("7","2","7","1","4","7","1","1") = "6"
    & skf21("7","2","7","1","4","7","2","1") = "6"
    & skf21("7","2","7","1","4","7","3","1") = "6"
    & skf21("7","2","7","1","4","7","4","1") = "6"
    & skf21("7","2","7","1","4","7","5","1") = "6"
    & skf21("7","2","7","1","4","7","6","1") = "6"
    & skf21("7","2","7","1","4","7","7","1") = "6"
    & skf21("7","2","7","1","5","1","1","1") = "6"
    & skf21("7","2","7","1","5","1","2","1") = "6"
    & skf21("7","2","7","1","5","1","3","1") = "6"
    & skf21("7","2","7","1","5","1","4","1") = "6"
    & skf21("7","2","7","1","5","1","5","1") = "6"
    & skf21("7","2","7","1","5","1","6","1") = "6"
    & skf21("7","2","7","1","5","1","7","1") = "6"
    & skf21("7","2","7","1","5","2","1","1") = "6"
    & skf21("7","2","7","1","5","2","2","1") = "6"
    & skf21("7","2","7","1","5","2","3","1") = "6"
    & skf21("7","2","7","1","5","2","4","1") = "6"
    & skf21("7","2","7","1","5","2","5","1") = "6"
    & skf21("7","2","7","1","5","2","6","1") = "6"
    & skf21("7","2","7","1","5","2","7","1") = "6"
    & skf21("7","2","7","1","5","3","1","1") = "6"
    & skf21("7","2","7","1","5","3","2","1") = "6"
    & skf21("7","2","7","1","5","3","3","1") = "6"
    & skf21("7","2","7","1","5","3","4","1") = "6"
    & skf21("7","2","7","1","5","3","5","1") = "6"
    & skf21("7","2","7","1","5","3","6","1") = "6"
    & skf21("7","2","7","1","5","3","7","1") = "6"
    & skf21("7","2","7","1","5","4","1","1") = "6"
    & skf21("7","2","7","1","5","4","2","1") = "6"
    & skf21("7","2","7","1","5","4","3","1") = "6"
    & skf21("7","2","7","1","5","4","4","1") = "6"
    & skf21("7","2","7","1","5","4","5","1") = "6"
    & skf21("7","2","7","1","5","4","6","1") = "6"
    & skf21("7","2","7","1","5","4","7","1") = "6"
    & skf21("7","2","7","1","5","5","1","1") = "6"
    & skf21("7","2","7","1","5","5","2","1") = "6"
    & skf21("7","2","7","1","5","5","3","1") = "6"
    & skf21("7","2","7","1","5","5","4","1") = "6"
    & skf21("7","2","7","1","5","5","5","1") = "6"
    & skf21("7","2","7","1","5","5","6","1") = "6"
    & skf21("7","2","7","1","5","5","7","1") = "6"
    & skf21("7","2","7","1","5","6","1","1") = "6"
    & skf21("7","2","7","1","5","6","2","1") = "6"
    & skf21("7","2","7","1","5","6","3","1") = "6"
    & skf21("7","2","7","1","5","6","4","1") = "6"
    & skf21("7","2","7","1","5","6","5","1") = "6"
    & skf21("7","2","7","1","5","6","6","1") = "6"
    & skf21("7","2","7","1","5","6","7","1") = "6"
    & skf21("7","2","7","1","5","7","1","1") = "6"
    & skf21("7","2","7","1","5","7","2","1") = "6"
    & skf21("7","2","7","1","5","7","3","1") = "6"
    & skf21("7","2","7","1","5","7","4","1") = "6"
    & skf21("7","2","7","1","5","7","5","1") = "6"
    & skf21("7","2","7","1","5","7","6","1") = "6"
    & skf21("7","2","7","1","5","7","7","1") = "6"
    & skf21("7","2","7","1","6","1","1","1") = "6"
    & skf21("7","2","7","1","6","1","2","1") = "6"
    & skf21("7","2","7","1","6","1","3","1") = "6"
    & skf21("7","2","7","1","6","1","4","1") = "6"
    & skf21("7","2","7","1","6","1","5","1") = "6"
    & skf21("7","2","7","1","6","1","6","1") = "6"
    & skf21("7","2","7","1","6","1","7","1") = "6"
    & skf21("7","2","7","1","6","2","1","1") = "6"
    & skf21("7","2","7","1","6","2","2","1") = "6"
    & skf21("7","2","7","1","6","2","3","1") = "6"
    & skf21("7","2","7","1","6","2","4","1") = "6"
    & skf21("7","2","7","1","6","2","5","1") = "6"
    & skf21("7","2","7","1","6","2","6","1") = "6"
    & skf21("7","2","7","1","6","2","7","1") = "6"
    & skf21("7","2","7","1","6","3","1","1") = "6"
    & skf21("7","2","7","1","6","3","2","1") = "6"
    & skf21("7","2","7","1","6","3","3","1") = "6"
    & skf21("7","2","7","1","6","3","4","1") = "6"
    & skf21("7","2","7","1","6","3","5","1") = "6"
    & skf21("7","2","7","1","6","3","6","1") = "6"
    & skf21("7","2","7","1","6","3","7","1") = "6"
    & skf21("7","2","7","1","6","4","1","1") = "6"
    & skf21("7","2","7","1","6","4","2","1") = "6"
    & skf21("7","2","7","1","6","4","3","1") = "6"
    & skf21("7","2","7","1","6","4","4","1") = "6"
    & skf21("7","2","7","1","6","4","5","1") = "6"
    & skf21("7","2","7","1","6","4","6","1") = "6"
    & skf21("7","2","7","1","6","4","7","1") = "6"
    & skf21("7","2","7","1","6","5","1","1") = "6"
    & skf21("7","2","7","1","6","5","2","1") = "6"
    & skf21("7","2","7","1","6","5","3","1") = "6"
    & skf21("7","2","7","1","6","5","4","1") = "6"
    & skf21("7","2","7","1","6","5","5","1") = "6"
    & skf21("7","2","7","1","6","5","6","1") = "6"
    & skf21("7","2","7","1","6","5","7","1") = "6"
    & skf21("7","2","7","1","6","6","1","1") = "6"
    & skf21("7","2","7","1","6","6","2","1") = "6"
    & skf21("7","2","7","1","6","6","3","1") = "6"
    & skf21("7","2","7","1","6","6","4","1") = "6"
    & skf21("7","2","7","1","6","6","5","1") = "6"
    & skf21("7","2","7","1","6","6","6","1") = "6"
    & skf21("7","2","7","1","6","6","7","1") = "6"
    & skf21("7","2","7","1","6","7","1","1") = "6"
    & skf21("7","2","7","1","6","7","2","1") = "6"
    & skf21("7","2","7","1","6","7","3","1") = "6"
    & skf21("7","2","7","1","6","7","4","1") = "6"
    & skf21("7","2","7","1","6","7","5","1") = "6"
    & skf21("7","2","7","1","6","7","6","1") = "6"
    & skf21("7","2","7","1","6","7","7","1") = "6"
    & skf21("7","2","7","1","7","1","1","1") = "6"
    & skf21("7","2","7","1","7","1","2","1") = "6"
    & skf21("7","2","7","1","7","1","3","1") = "6"
    & skf21("7","2","7","1","7","1","4","1") = "6"
    & skf21("7","2","7","1","7","1","5","1") = "6"
    & skf21("7","2","7","1","7","1","6","1") = "6"
    & skf21("7","2","7","1","7","1","7","1") = "6"
    & skf21("7","2","7","1","7","2","1","1") = "6"
    & skf21("7","2","7","1","7","2","2","1") = "6"
    & skf21("7","2","7","1","7","2","3","1") = "6"
    & skf21("7","2","7","1","7","2","4","1") = "6"
    & skf21("7","2","7","1","7","2","5","1") = "6"
    & skf21("7","2","7","1","7","2","6","1") = "6"
    & skf21("7","2","7","1","7","2","7","1") = "6"
    & skf21("7","2","7","1","7","3","1","1") = "6"
    & skf21("7","2","7","1","7","3","2","1") = "6"
    & skf21("7","2","7","1","7","3","3","1") = "6"
    & skf21("7","2","7","1","7","3","4","1") = "6"
    & skf21("7","2","7","1","7","3","5","1") = "6"
    & skf21("7","2","7","1","7","3","6","1") = "6"
    & skf21("7","2","7","1","7","3","7","1") = "6"
    & skf21("7","2","7","1","7","4","1","1") = "6"
    & skf21("7","2","7","1","7","4","2","1") = "6"
    & skf21("7","2","7","1","7","4","3","1") = "6"
    & skf21("7","2","7","1","7","4","4","1") = "6"
    & skf21("7","2","7","1","7","4","5","1") = "6"
    & skf21("7","2","7","1","7","4","6","1") = "6"
    & skf21("7","2","7","1","7","4","7","1") = "6"
    & skf21("7","2","7","1","7","5","1","1") = "6"
    & skf21("7","2","7","1","7","5","2","1") = "6"
    & skf21("7","2","7","1","7","5","3","1") = "6"
    & skf21("7","2","7","1","7","5","4","1") = "6"
    & skf21("7","2","7","1","7","5","5","1") = "6"
    & skf21("7","2","7","1","7","5","6","1") = "6"
    & skf21("7","2","7","1","7","5","7","1") = "6"
    & skf21("7","2","7","1","7","6","1","1") = "6"
    & skf21("7","2","7","1","7","6","2","1") = "6"
    & skf21("7","2","7","1","7","6","3","1") = "6"
    & skf21("7","2","7","1","7","6","4","1") = "6"
    & skf21("7","2","7","1","7","6","5","1") = "6"
    & skf21("7","2","7","1","7","6","6","1") = "6"
    & skf21("7","2","7","1","7","6","7","1") = "6"
    & skf21("7","2","7","1","7","7","1","1") = "6"
    & skf21("7","2","7","1","7","7","2","1") = "6"
    & skf21("7","2","7","1","7","7","3","1") = "6"
    & skf21("7","2","7","1","7","7","4","1") = "6"
    & skf21("7","2","7","1","7","7","5","1") = "6"
    & skf21("7","2","7","1","7","7","6","1") = "6"
    & skf21("7","2","7","1","7","7","7","1") = "6"
    & skf21("7","2","7","2","1","1","1","1") = "6"
    & skf21("7","2","7","2","1","1","2","1") = "6"
    & skf21("7","2","7","2","1","1","3","1") = "6"
    & skf21("7","2","7","2","1","1","4","1") = "6"
    & skf21("7","2","7","2","1","1","5","1") = "6"
    & skf21("7","2","7","2","1","1","6","1") = "6"
    & skf21("7","2","7","2","1","1","7","1") = "6"
    & skf21("7","2","7","2","1","2","1","1") = "6"
    & skf21("7","2","7","2","1","2","2","1") = "6"
    & skf21("7","2","7","2","1","2","3","1") = "6"
    & skf21("7","2","7","2","1","2","4","1") = "6"
    & skf21("7","2","7","2","1","2","5","1") = "6"
    & skf21("7","2","7","2","1","2","6","1") = "6"
    & skf21("7","2","7","2","1","2","7","1") = "6"
    & skf21("7","2","7","2","1","3","1","1") = "6"
    & skf21("7","2","7","2","1","3","2","1") = "6"
    & skf21("7","2","7","2","1","3","3","1") = "6"
    & skf21("7","2","7","2","1","3","4","1") = "6"
    & skf21("7","2","7","2","1","3","5","1") = "6"
    & skf21("7","2","7","2","1","3","6","1") = "6"
    & skf21("7","2","7","2","1","3","7","1") = "6"
    & skf21("7","2","7","2","1","4","1","1") = "6"
    & skf21("7","2","7","2","1","4","2","1") = "6"
    & skf21("7","2","7","2","1","4","3","1") = "6"
    & skf21("7","2","7","2","1","4","4","1") = "6"
    & skf21("7","2","7","2","1","4","5","1") = "6"
    & skf21("7","2","7","2","1","4","6","1") = "6"
    & skf21("7","2","7","2","1","4","7","1") = "6"
    & skf21("7","2","7","2","1","5","1","1") = "6"
    & skf21("7","2","7","2","1","5","2","1") = "6"
    & skf21("7","2","7","2","1","5","3","1") = "6"
    & skf21("7","2","7","2","1","5","4","1") = "6"
    & skf21("7","2","7","2","1","5","5","1") = "6"
    & skf21("7","2","7","2","1","5","6","1") = "6"
    & skf21("7","2","7","2","1","5","7","1") = "6"
    & skf21("7","2","7","2","1","6","1","1") = "6"
    & skf21("7","2","7","2","1","6","2","1") = "6"
    & skf21("7","2","7","2","1","6","3","1") = "6"
    & skf21("7","2","7","2","1","6","4","1") = "6"
    & skf21("7","2","7","2","1","6","5","1") = "6"
    & skf21("7","2","7","2","1","6","6","1") = "6"
    & skf21("7","2","7","2","1","6","7","1") = "6"
    & skf21("7","2","7","2","1","7","1","1") = "6"
    & skf21("7","2","7","2","1","7","2","1") = "6"
    & skf21("7","2","7","2","1","7","3","1") = "6"
    & skf21("7","2","7","2","1","7","4","1") = "6"
    & skf21("7","2","7","2","1","7","5","1") = "6"
    & skf21("7","2","7","2","1","7","6","1") = "6"
    & skf21("7","2","7","2","1","7","7","1") = "6"
    & skf21("7","2","7","2","2","1","1","1") = "6"
    & skf21("7","2","7","2","2","1","2","1") = "6"
    & skf21("7","2","7","2","2","1","3","1") = "6"
    & skf21("7","2","7","2","2","1","4","1") = "6"
    & skf21("7","2","7","2","2","1","5","1") = "6"
    & skf21("7","2","7","2","2","1","6","1") = "6"
    & skf21("7","2","7","2","2","1","7","1") = "6"
    & skf21("7","2","7","2","2","2","1","1") = "6"
    & skf21("7","2","7","2","2","2","2","1") = "6"
    & skf21("7","2","7","2","2","2","3","1") = "6"
    & skf21("7","2","7","2","2","2","4","1") = "6"
    & skf21("7","2","7","2","2","2","5","1") = "6"
    & skf21("7","2","7","2","2","2","6","1") = "6"
    & skf21("7","2","7","2","2","2","7","1") = "6"
    & skf21("7","2","7","2","2","3","1","1") = "6"
    & skf21("7","2","7","2","2","3","2","1") = "6"
    & skf21("7","2","7","2","2","3","3","1") = "6"
    & skf21("7","2","7","2","2","3","4","1") = "6"
    & skf21("7","2","7","2","2","3","5","1") = "6"
    & skf21("7","2","7","2","2","3","6","1") = "6"
    & skf21("7","2","7","2","2","3","7","1") = "6"
    & skf21("7","2","7","2","2","4","1","1") = "6"
    & skf21("7","2","7","2","2","4","2","1") = "6"
    & skf21("7","2","7","2","2","4","3","1") = "6"
    & skf21("7","2","7","2","2","4","4","1") = "6"
    & skf21("7","2","7","2","2","4","5","1") = "6"
    & skf21("7","2","7","2","2","4","6","1") = "6"
    & skf21("7","2","7","2","2","4","7","1") = "6"
    & skf21("7","2","7","2","2","5","1","1") = "6"
    & skf21("7","2","7","2","2","5","2","1") = "6"
    & skf21("7","2","7","2","2","5","3","1") = "6"
    & skf21("7","2","7","2","2","5","4","1") = "6"
    & skf21("7","2","7","2","2","5","5","1") = "6"
    & skf21("7","2","7","2","2","5","6","1") = "6"
    & skf21("7","2","7","2","2","5","7","1") = "6"
    & skf21("7","2","7","2","2","6","1","1") = "6"
    & skf21("7","2","7","2","2","6","2","1") = "6"
    & skf21("7","2","7","2","2","6","3","1") = "6"
    & skf21("7","2","7","2","2","6","4","1") = "6"
    & skf21("7","2","7","2","2","6","5","1") = "6"
    & skf21("7","2","7","2","2","6","6","1") = "6"
    & skf21("7","2","7","2","2","6","7","1") = "6"
    & skf21("7","2","7","2","2","7","1","1") = "6"
    & skf21("7","2","7","2","2","7","2","1") = "6"
    & skf21("7","2","7","2","2","7","3","1") = "6"
    & skf21("7","2","7","2","2","7","4","1") = "6"
    & skf21("7","2","7","2","2","7","5","1") = "6"
    & skf21("7","2","7","2","2","7","6","1") = "6"
    & skf21("7","2","7","2","2","7","7","1") = "6"
    & skf21("7","2","7","2","3","1","1","1") = "6"
    & skf21("7","2","7","2","3","1","2","1") = "6"
    & skf21("7","2","7","2","3","1","3","1") = "6"
    & skf21("7","2","7","2","3","1","4","1") = "6"
    & skf21("7","2","7","2","3","1","5","1") = "6"
    & skf21("7","2","7","2","3","1","6","1") = "6"
    & skf21("7","2","7","2","3","1","7","1") = "6"
    & skf21("7","2","7","2","3","2","1","1") = "6"
    & skf21("7","2","7","2","3","2","2","1") = "6"
    & skf21("7","2","7","2","3","2","3","1") = "6"
    & skf21("7","2","7","2","3","2","4","1") = "6"
    & skf21("7","2","7","2","3","2","5","1") = "6"
    & skf21("7","2","7","2","3","2","6","1") = "6"
    & skf21("7","2","7","2","3","2","7","1") = "6"
    & skf21("7","2","7","2","3","3","1","1") = "6"
    & skf21("7","2","7","2","3","3","2","1") = "6"
    & skf21("7","2","7","2","3","3","3","1") = "6"
    & skf21("7","2","7","2","3","3","4","1") = "6"
    & skf21("7","2","7","2","3","3","5","1") = "6"
    & skf21("7","2","7","2","3","3","6","1") = "6"
    & skf21("7","2","7","2","3","3","7","1") = "6"
    & skf21("7","2","7","2","3","4","1","1") = "6"
    & skf21("7","2","7","2","3","4","2","1") = "6"
    & skf21("7","2","7","2","3","4","3","1") = "6"
    & skf21("7","2","7","2","3","4","4","1") = "6"
    & skf21("7","2","7","2","3","4","5","1") = "6"
    & skf21("7","2","7","2","3","4","6","1") = "6"
    & skf21("7","2","7","2","3","4","7","1") = "6"
    & skf21("7","2","7","2","3","5","1","1") = "6"
    & skf21("7","2","7","2","3","5","2","1") = "6"
    & skf21("7","2","7","2","3","5","3","1") = "6"
    & skf21("7","2","7","2","3","5","4","1") = "6"
    & skf21("7","2","7","2","3","5","5","1") = "6"
    & skf21("7","2","7","2","3","5","6","1") = "6"
    & skf21("7","2","7","2","3","5","7","1") = "6"
    & skf21("7","2","7","2","3","6","1","1") = "6"
    & skf21("7","2","7","2","3","6","2","1") = "6"
    & skf21("7","2","7","2","3","6","3","1") = "6"
    & skf21("7","2","7","2","3","6","4","1") = "6"
    & skf21("7","2","7","2","3","6","5","1") = "6"
    & skf21("7","2","7","2","3","6","6","1") = "6"
    & skf21("7","2","7","2","3","6","7","1") = "6"
    & skf21("7","2","7","2","3","7","1","1") = "6"
    & skf21("7","2","7","2","3","7","2","1") = "6"
    & skf21("7","2","7","2","3","7","3","1") = "6"
    & skf21("7","2","7","2","3","7","4","1") = "6"
    & skf21("7","2","7","2","3","7","5","1") = "6"
    & skf21("7","2","7","2","3","7","6","1") = "6"
    & skf21("7","2","7","2","3","7","7","1") = "6"
    & skf21("7","2","7","2","4","1","1","1") = "6"
    & skf21("7","2","7","2","4","1","2","1") = "6"
    & skf21("7","2","7","2","4","1","3","1") = "6"
    & skf21("7","2","7","2","4","1","4","1") = "6"
    & skf21("7","2","7","2","4","1","5","1") = "6"
    & skf21("7","2","7","2","4","1","6","1") = "6"
    & skf21("7","2","7","2","4","1","7","1") = "6"
    & skf21("7","2","7","2","4","2","1","1") = "6"
    & skf21("7","2","7","2","4","2","2","1") = "6"
    & skf21("7","2","7","2","4","2","3","1") = "6"
    & skf21("7","2","7","2","4","2","4","1") = "6"
    & skf21("7","2","7","2","4","2","5","1") = "6"
    & skf21("7","2","7","2","4","2","6","1") = "6"
    & skf21("7","2","7","2","4","2","7","1") = "6"
    & skf21("7","2","7","2","4","3","1","1") = "6"
    & skf21("7","2","7","2","4","3","2","1") = "6"
    & skf21("7","2","7","2","4","3","3","1") = "6"
    & skf21("7","2","7","2","4","3","4","1") = "6"
    & skf21("7","2","7","2","4","3","5","1") = "6"
    & skf21("7","2","7","2","4","3","6","1") = "6"
    & skf21("7","2","7","2","4","3","7","1") = "6"
    & skf21("7","2","7","2","4","4","1","1") = "6"
    & skf21("7","2","7","2","4","4","2","1") = "6"
    & skf21("7","2","7","2","4","4","3","1") = "6"
    & skf21("7","2","7","2","4","4","4","1") = "6"
    & skf21("7","2","7","2","4","4","5","1") = "6"
    & skf21("7","2","7","2","4","4","6","1") = "6"
    & skf21("7","2","7","2","4","4","7","1") = "6"
    & skf21("7","2","7","2","4","5","1","1") = "6"
    & skf21("7","2","7","2","4","5","2","1") = "6"
    & skf21("7","2","7","2","4","5","3","1") = "6"
    & skf21("7","2","7","2","4","5","4","1") = "6"
    & skf21("7","2","7","2","4","5","5","1") = "6"
    & skf21("7","2","7","2","4","5","6","1") = "6"
    & skf21("7","2","7","2","4","5","7","1") = "6"
    & skf21("7","2","7","2","4","6","1","1") = "6"
    & skf21("7","2","7","2","4","6","2","1") = "6"
    & skf21("7","2","7","2","4","6","3","1") = "6"
    & skf21("7","2","7","2","4","6","4","1") = "6"
    & skf21("7","2","7","2","4","6","5","1") = "6"
    & skf21("7","2","7","2","4","6","6","1") = "6"
    & skf21("7","2","7","2","4","6","7","1") = "6"
    & skf21("7","2","7","2","4","7","1","1") = "6"
    & skf21("7","2","7","2","4","7","2","1") = "6"
    & skf21("7","2","7","2","4","7","3","1") = "6"
    & skf21("7","2","7","2","4","7","4","1") = "6"
    & skf21("7","2","7","2","4","7","5","1") = "6"
    & skf21("7","2","7","2","4","7","6","1") = "6"
    & skf21("7","2","7","2","4","7","7","1") = "6"
    & skf21("7","2","7","2","5","1","1","1") = "6"
    & skf21("7","2","7","2","5","1","2","1") = "6"
    & skf21("7","2","7","2","5","1","3","1") = "6"
    & skf21("7","2","7","2","5","1","4","1") = "6"
    & skf21("7","2","7","2","5","1","5","1") = "6"
    & skf21("7","2","7","2","5","1","6","1") = "6"
    & skf21("7","2","7","2","5","1","7","1") = "6"
    & skf21("7","2","7","2","5","2","1","1") = "6"
    & skf21("7","2","7","2","5","2","2","1") = "6"
    & skf21("7","2","7","2","5","2","3","1") = "6"
    & skf21("7","2","7","2","5","2","4","1") = "6"
    & skf21("7","2","7","2","5","2","5","1") = "6"
    & skf21("7","2","7","2","5","2","6","1") = "6"
    & skf21("7","2","7","2","5","2","7","1") = "6"
    & skf21("7","2","7","2","5","3","1","1") = "6"
    & skf21("7","2","7","2","5","3","2","1") = "6"
    & skf21("7","2","7","2","5","3","3","1") = "6"
    & skf21("7","2","7","2","5","3","4","1") = "6"
    & skf21("7","2","7","2","5","3","5","1") = "6"
    & skf21("7","2","7","2","5","3","6","1") = "6"
    & skf21("7","2","7","2","5","3","7","1") = "6"
    & skf21("7","2","7","2","5","4","1","1") = "6"
    & skf21("7","2","7","2","5","4","2","1") = "6"
    & skf21("7","2","7","2","5","4","3","1") = "6"
    & skf21("7","2","7","2","5","4","4","1") = "6"
    & skf21("7","2","7","2","5","4","5","1") = "6"
    & skf21("7","2","7","2","5","4","6","1") = "6"
    & skf21("7","2","7","2","5","4","7","1") = "6"
    & skf21("7","2","7","2","5","5","1","1") = "6"
    & skf21("7","2","7","2","5","5","2","1") = "6"
    & skf21("7","2","7","2","5","5","3","1") = "6"
    & skf21("7","2","7","2","5","5","4","1") = "6"
    & skf21("7","2","7","2","5","5","5","1") = "6"
    & skf21("7","2","7","2","5","5","6","1") = "6"
    & skf21("7","2","7","2","5","5","7","1") = "6"
    & skf21("7","2","7","2","5","6","1","1") = "6"
    & skf21("7","2","7","2","5","6","2","1") = "6"
    & skf21("7","2","7","2","5","6","3","1") = "6"
    & skf21("7","2","7","2","5","6","4","1") = "6"
    & skf21("7","2","7","2","5","6","5","1") = "6"
    & skf21("7","2","7","2","5","6","6","1") = "6"
    & skf21("7","2","7","2","5","6","7","1") = "6"
    & skf21("7","2","7","2","5","7","1","1") = "6"
    & skf21("7","2","7","2","5","7","2","1") = "6"
    & skf21("7","2","7","2","5","7","3","1") = "6"
    & skf21("7","2","7","2","5","7","4","1") = "6"
    & skf21("7","2","7","2","5","7","5","1") = "6"
    & skf21("7","2","7","2","5","7","6","1") = "6"
    & skf21("7","2","7","2","5","7","7","1") = "6"
    & skf21("7","2","7","2","6","1","1","1") = "6"
    & skf21("7","2","7","2","6","1","2","1") = "6"
    & skf21("7","2","7","2","6","1","3","1") = "6"
    & skf21("7","2","7","2","6","1","4","1") = "6"
    & skf21("7","2","7","2","6","1","5","1") = "6"
    & skf21("7","2","7","2","6","1","6","1") = "6"
    & skf21("7","2","7","2","6","1","7","1") = "6"
    & skf21("7","2","7","2","6","2","1","1") = "6"
    & skf21("7","2","7","2","6","2","2","1") = "6"
    & skf21("7","2","7","2","6","2","3","1") = "6"
    & skf21("7","2","7","2","6","2","4","1") = "6"
    & skf21("7","2","7","2","6","2","5","1") = "6"
    & skf21("7","2","7","2","6","2","6","1") = "6"
    & skf21("7","2","7","2","6","2","7","1") = "6"
    & skf21("7","2","7","2","6","3","1","1") = "6"
    & skf21("7","2","7","2","6","3","2","1") = "6"
    & skf21("7","2","7","2","6","3","3","1") = "6"
    & skf21("7","2","7","2","6","3","4","1") = "6"
    & skf21("7","2","7","2","6","3","5","1") = "6"
    & skf21("7","2","7","2","6","3","6","1") = "6"
    & skf21("7","2","7","2","6","3","7","1") = "6"
    & skf21("7","2","7","2","6","4","1","1") = "6"
    & skf21("7","2","7","2","6","4","2","1") = "6"
    & skf21("7","2","7","2","6","4","3","1") = "6"
    & skf21("7","2","7","2","6","4","4","1") = "6"
    & skf21("7","2","7","2","6","4","5","1") = "6"
    & skf21("7","2","7","2","6","4","6","1") = "6"
    & skf21("7","2","7","2","6","4","7","1") = "6"
    & skf21("7","2","7","2","6","5","1","1") = "6"
    & skf21("7","2","7","2","6","5","2","1") = "6"
    & skf21("7","2","7","2","6","5","3","1") = "6"
    & skf21("7","2","7","2","6","5","4","1") = "6"
    & skf21("7","2","7","2","6","5","5","1") = "6"
    & skf21("7","2","7","2","6","5","6","1") = "6"
    & skf21("7","2","7","2","6","5","7","1") = "6"
    & skf21("7","2","7","2","6","6","1","1") = "6"
    & skf21("7","2","7","2","6","6","2","1") = "6"
    & skf21("7","2","7","2","6","6","3","1") = "6"
    & skf21("7","2","7","2","6","6","4","1") = "6"
    & skf21("7","2","7","2","6","6","5","1") = "6"
    & skf21("7","2","7","2","6","6","6","1") = "6"
    & skf21("7","2","7","2","6","6","7","1") = "6"
    & skf21("7","2","7","2","6","7","1","1") = "6"
    & skf21("7","2","7","2","6","7","2","1") = "6"
    & skf21("7","2","7","2","6","7","3","1") = "6"
    & skf21("7","2","7","2","6","7","4","1") = "6"
    & skf21("7","2","7","2","6","7","5","1") = "6"
    & skf21("7","2","7","2","6","7","6","1") = "6"
    & skf21("7","2","7","2","6","7","7","1") = "6"
    & skf21("7","2","7","2","7","1","1","1") = "6"
    & skf21("7","2","7","2","7","1","2","1") = "6"
    & skf21("7","2","7","2","7","1","3","1") = "6"
    & skf21("7","2","7","2","7","1","4","1") = "6"
    & skf21("7","2","7","2","7","1","5","1") = "6"
    & skf21("7","2","7","2","7","1","6","1") = "6"
    & skf21("7","2","7","2","7","1","7","1") = "6"
    & skf21("7","2","7","2","7","2","1","1") = "6"
    & skf21("7","2","7","2","7","2","2","1") = "6"
    & skf21("7","2","7","2","7","2","3","1") = "6"
    & skf21("7","2","7","2","7","2","4","1") = "6"
    & skf21("7","2","7","2","7","2","5","1") = "6"
    & skf21("7","2","7","2","7","2","6","1") = "6"
    & skf21("7","2","7","2","7","2","7","1") = "6"
    & skf21("7","2","7","2","7","3","1","1") = "6"
    & skf21("7","2","7","2","7","3","2","1") = "6"
    & skf21("7","2","7","2","7","3","3","1") = "6"
    & skf21("7","2","7","2","7","3","4","1") = "6"
    & skf21("7","2","7","2","7","3","5","1") = "6"
    & skf21("7","2","7","2","7","3","6","1") = "6"
    & skf21("7","2","7","2","7","3","7","1") = "6"
    & skf21("7","2","7","2","7","4","1","1") = "6"
    & skf21("7","2","7","2","7","4","2","1") = "6"
    & skf21("7","2","7","2","7","4","3","1") = "6"
    & skf21("7","2","7","2","7","4","4","1") = "6"
    & skf21("7","2","7","2","7","4","5","1") = "6"
    & skf21("7","2","7","2","7","4","6","1") = "6"
    & skf21("7","2","7","2","7","4","7","1") = "6"
    & skf21("7","2","7","2","7","5","1","1") = "6"
    & skf21("7","2","7","2","7","5","2","1") = "6"
    & skf21("7","2","7","2","7","5","3","1") = "6"
    & skf21("7","2","7","2","7","5","4","1") = "6"
    & skf21("7","2","7","2","7","5","5","1") = "6"
    & skf21("7","2","7","2","7","5","6","1") = "6"
    & skf21("7","2","7","2","7","5","7","1") = "6"
    & skf21("7","2","7","2","7","6","1","1") = "6"
    & skf21("7","2","7","2","7","6","2","1") = "6"
    & skf21("7","2","7","2","7","6","3","1") = "6"
    & skf21("7","2","7","2","7","6","4","1") = "6"
    & skf21("7","2","7","2","7","6","5","1") = "6"
    & skf21("7","2","7","2","7","6","6","1") = "6"
    & skf21("7","2","7","2","7","6","7","1") = "6"
    & skf21("7","2","7","2","7","7","1","1") = "6"
    & skf21("7","2","7","2","7","7","2","1") = "6"
    & skf21("7","2","7","2","7","7","3","1") = "6"
    & skf21("7","2","7","2","7","7","4","1") = "6"
    & skf21("7","2","7","2","7","7","5","1") = "6"
    & skf21("7","2","7","2","7","7","6","1") = "6"
    & skf21("7","2","7","2","7","7","7","1") = "6"
    & skf21("7","2","7","3","1","1","1","1") = "6"
    & skf21("7","2","7","3","1","1","2","1") = "6"
    & skf21("7","2","7","3","1","1","3","1") = "6"
    & skf21("7","2","7","3","1","1","4","1") = "6"
    & skf21("7","2","7","3","1","1","5","1") = "6"
    & skf21("7","2","7","3","1","1","6","1") = "6"
    & skf21("7","2","7","3","1","1","7","1") = "6"
    & skf21("7","2","7","3","1","2","1","1") = "6"
    & skf21("7","2","7","3","1","2","2","1") = "6"
    & skf21("7","2","7","3","1","2","3","1") = "6"
    & skf21("7","2","7","3","1","2","4","1") = "6"
    & skf21("7","2","7","3","1","2","5","1") = "6"
    & skf21("7","2","7","3","1","2","6","1") = "6"
    & skf21("7","2","7","3","1","2","7","1") = "6"
    & skf21("7","2","7","3","1","3","1","1") = "6"
    & skf21("7","2","7","3","1","3","2","1") = "6"
    & skf21("7","2","7","3","1","3","3","1") = "6"
    & skf21("7","2","7","3","1","3","4","1") = "6"
    & skf21("7","2","7","3","1","3","5","1") = "6"
    & skf21("7","2","7","3","1","3","6","1") = "6"
    & skf21("7","2","7","3","1","3","7","1") = "6"
    & skf21("7","2","7","3","1","4","1","1") = "6"
    & skf21("7","2","7","3","1","4","2","1") = "6"
    & skf21("7","2","7","3","1","4","3","1") = "6"
    & skf21("7","2","7","3","1","4","4","1") = "6"
    & skf21("7","2","7","3","1","4","5","1") = "6"
    & skf21("7","2","7","3","1","4","6","1") = "6"
    & skf21("7","2","7","3","1","4","7","1") = "6"
    & skf21("7","2","7","3","1","5","1","1") = "6"
    & skf21("7","2","7","3","1","5","2","1") = "6"
    & skf21("7","2","7","3","1","5","3","1") = "6"
    & skf21("7","2","7","3","1","5","4","1") = "6"
    & skf21("7","2","7","3","1","5","5","1") = "6"
    & skf21("7","2","7","3","1","5","6","1") = "6"
    & skf21("7","2","7","3","1","5","7","1") = "6"
    & skf21("7","2","7","3","1","6","1","1") = "6"
    & skf21("7","2","7","3","1","6","2","1") = "6"
    & skf21("7","2","7","3","1","6","3","1") = "6"
    & skf21("7","2","7","3","1","6","4","1") = "6"
    & skf21("7","2","7","3","1","6","5","1") = "6"
    & skf21("7","2","7","3","1","6","6","1") = "6"
    & skf21("7","2","7","3","1","6","7","1") = "6"
    & skf21("7","2","7","3","1","7","1","1") = "6"
    & skf21("7","2","7","3","1","7","2","1") = "6"
    & skf21("7","2","7","3","1","7","3","1") = "6"
    & skf21("7","2","7","3","1","7","4","1") = "6"
    & skf21("7","2","7","3","1","7","5","1") = "6"
    & skf21("7","2","7","3","1","7","6","1") = "6"
    & skf21("7","2","7","3","1","7","7","1") = "6"
    & skf21("7","2","7","3","2","1","1","1") = "6"
    & skf21("7","2","7","3","2","1","2","1") = "6"
    & skf21("7","2","7","3","2","1","3","1") = "6"
    & skf21("7","2","7","3","2","1","4","1") = "6"
    & skf21("7","2","7","3","2","1","5","1") = "6"
    & skf21("7","2","7","3","2","1","6","1") = "6"
    & skf21("7","2","7","3","2","1","7","1") = "6"
    & skf21("7","2","7","3","2","2","1","1") = "6"
    & skf21("7","2","7","3","2","2","2","1") = "6"
    & skf21("7","2","7","3","2","2","3","1") = "6"
    & skf21("7","2","7","3","2","2","4","1") = "6"
    & skf21("7","2","7","3","2","2","5","1") = "6"
    & skf21("7","2","7","3","2","2","6","1") = "6"
    & skf21("7","2","7","3","2","2","7","1") = "6"
    & skf21("7","2","7","3","2","3","1","1") = "6"
    & skf21("7","2","7","3","2","3","2","1") = "6"
    & skf21("7","2","7","3","2","3","3","1") = "6"
    & skf21("7","2","7","3","2","3","4","1") = "6"
    & skf21("7","2","7","3","2","3","5","1") = "6"
    & skf21("7","2","7","3","2","3","6","1") = "6"
    & skf21("7","2","7","3","2","3","7","1") = "6"
    & skf21("7","2","7","3","2","4","1","1") = "6"
    & skf21("7","2","7","3","2","4","2","1") = "6"
    & skf21("7","2","7","3","2","4","3","1") = "6"
    & skf21("7","2","7","3","2","4","4","1") = "6"
    & skf21("7","2","7","3","2","4","5","1") = "6"
    & skf21("7","2","7","3","2","4","6","1") = "6"
    & skf21("7","2","7","3","2","4","7","1") = "6"
    & skf21("7","2","7","3","2","5","1","1") = "6"
    & skf21("7","2","7","3","2","5","2","1") = "6"
    & skf21("7","2","7","3","2","5","3","1") = "6"
    & skf21("7","2","7","3","2","5","4","1") = "6"
    & skf21("7","2","7","3","2","5","5","1") = "6"
    & skf21("7","2","7","3","2","5","6","1") = "6"
    & skf21("7","2","7","3","2","5","7","1") = "6"
    & skf21("7","2","7","3","2","6","1","1") = "6"
    & skf21("7","2","7","3","2","6","2","1") = "6"
    & skf21("7","2","7","3","2","6","3","1") = "6"
    & skf21("7","2","7","3","2","6","4","1") = "6"
    & skf21("7","2","7","3","2","6","5","1") = "6"
    & skf21("7","2","7","3","2","6","6","1") = "6"
    & skf21("7","2","7","3","2","6","7","1") = "6"
    & skf21("7","2","7","3","2","7","1","1") = "6"
    & skf21("7","2","7","3","2","7","2","1") = "6"
    & skf21("7","2","7","3","2","7","3","1") = "6"
    & skf21("7","2","7","3","2","7","4","1") = "6"
    & skf21("7","2","7","3","2","7","5","1") = "6"
    & skf21("7","2","7","3","2","7","6","1") = "6"
    & skf21("7","2","7","3","2","7","7","1") = "6"
    & skf21("7","2","7","3","3","1","1","1") = "6"
    & skf21("7","2","7","3","3","1","2","1") = "6"
    & skf21("7","2","7","3","3","1","3","1") = "6"
    & skf21("7","2","7","3","3","1","4","1") = "6"
    & skf21("7","2","7","3","3","1","5","1") = "6"
    & skf21("7","2","7","3","3","1","6","1") = "6"
    & skf21("7","2","7","3","3","1","7","1") = "6"
    & skf21("7","2","7","3","3","2","1","1") = "6"
    & skf21("7","2","7","3","3","2","2","1") = "6"
    & skf21("7","2","7","3","3","2","3","1") = "6"
    & skf21("7","2","7","3","3","2","4","1") = "6"
    & skf21("7","2","7","3","3","2","5","1") = "6"
    & skf21("7","2","7","3","3","2","6","1") = "6"
    & skf21("7","2","7","3","3","2","7","1") = "6"
    & skf21("7","2","7","3","3","3","1","1") = "6"
    & skf21("7","2","7","3","3","3","2","1") = "6"
    & skf21("7","2","7","3","3","3","3","1") = "6"
    & skf21("7","2","7","3","3","3","4","1") = "6"
    & skf21("7","2","7","3","3","3","5","1") = "6"
    & skf21("7","2","7","3","3","3","6","1") = "6"
    & skf21("7","2","7","3","3","3","7","1") = "6"
    & skf21("7","2","7","3","3","4","1","1") = "6"
    & skf21("7","2","7","3","3","4","2","1") = "6"
    & skf21("7","2","7","3","3","4","3","1") = "6"
    & skf21("7","2","7","3","3","4","4","1") = "6"
    & skf21("7","2","7","3","3","4","5","1") = "6"
    & skf21("7","2","7","3","3","4","6","1") = "6"
    & skf21("7","2","7","3","3","4","7","1") = "6"
    & skf21("7","2","7","3","3","5","1","1") = "6"
    & skf21("7","2","7","3","3","5","2","1") = "6"
    & skf21("7","2","7","3","3","5","3","1") = "6"
    & skf21("7","2","7","3","3","5","4","1") = "6"
    & skf21("7","2","7","3","3","5","5","1") = "6"
    & skf21("7","2","7","3","3","5","6","1") = "6"
    & skf21("7","2","7","3","3","5","7","1") = "6"
    & skf21("7","2","7","3","3","6","1","1") = "6"
    & skf21("7","2","7","3","3","6","2","1") = "6"
    & skf21("7","2","7","3","3","6","3","1") = "6"
    & skf21("7","2","7","3","3","6","4","1") = "6"
    & skf21("7","2","7","3","3","6","5","1") = "6"
    & skf21("7","2","7","3","3","6","6","1") = "6"
    & skf21("7","2","7","3","3","6","7","1") = "6"
    & skf21("7","2","7","3","3","7","1","1") = "6"
    & skf21("7","2","7","3","3","7","2","1") = "6"
    & skf21("7","2","7","3","3","7","3","1") = "6"
    & skf21("7","2","7","3","3","7","4","1") = "6"
    & skf21("7","2","7","3","3","7","5","1") = "6"
    & skf21("7","2","7","3","3","7","6","1") = "6"
    & skf21("7","2","7","3","3","7","7","1") = "6"
    & skf21("7","2","7","3","4","1","1","1") = "6"
    & skf21("7","2","7","3","4","1","2","1") = "6"
    & skf21("7","2","7","3","4","1","3","1") = "6"
    & skf21("7","2","7","3","4","1","4","1") = "6"
    & skf21("7","2","7","3","4","1","5","1") = "6"
    & skf21("7","2","7","3","4","1","6","1") = "6"
    & skf21("7","2","7","3","4","1","7","1") = "6"
    & skf21("7","2","7","3","4","2","1","1") = "6"
    & skf21("7","2","7","3","4","2","2","1") = "6"
    & skf21("7","2","7","3","4","2","3","1") = "6"
    & skf21("7","2","7","3","4","2","4","1") = "6"
    & skf21("7","2","7","3","4","2","5","1") = "6"
    & skf21("7","2","7","3","4","2","6","1") = "6"
    & skf21("7","2","7","3","4","2","7","1") = "6"
    & skf21("7","2","7","3","4","3","1","1") = "6"
    & skf21("7","2","7","3","4","3","2","1") = "6"
    & skf21("7","2","7","3","4","3","3","1") = "6"
    & skf21("7","2","7","3","4","3","4","1") = "6"
    & skf21("7","2","7","3","4","3","5","1") = "6"
    & skf21("7","2","7","3","4","3","6","1") = "6"
    & skf21("7","2","7","3","4","3","7","1") = "6"
    & skf21("7","2","7","3","4","4","1","1") = "6"
    & skf21("7","2","7","3","4","4","2","1") = "6"
    & skf21("7","2","7","3","4","4","3","1") = "6"
    & skf21("7","2","7","3","4","4","4","1") = "6"
    & skf21("7","2","7","3","4","4","5","1") = "6"
    & skf21("7","2","7","3","4","4","6","1") = "6"
    & skf21("7","2","7","3","4","4","7","1") = "6"
    & skf21("7","2","7","3","4","5","1","1") = "6"
    & skf21("7","2","7","3","4","5","2","1") = "6"
    & skf21("7","2","7","3","4","5","3","1") = "6"
    & skf21("7","2","7","3","4","5","4","1") = "6"
    & skf21("7","2","7","3","4","5","5","1") = "6"
    & skf21("7","2","7","3","4","5","6","1") = "6"
    & skf21("7","2","7","3","4","5","7","1") = "6"
    & skf21("7","2","7","3","4","6","1","1") = "6"
    & skf21("7","2","7","3","4","6","2","1") = "6"
    & skf21("7","2","7","3","4","6","3","1") = "6"
    & skf21("7","2","7","3","4","6","4","1") = "6"
    & skf21("7","2","7","3","4","6","5","1") = "6"
    & skf21("7","2","7","3","4","6","6","1") = "6"
    & skf21("7","2","7","3","4","6","7","1") = "6"
    & skf21("7","2","7","3","4","7","1","1") = "6"
    & skf21("7","2","7","3","4","7","2","1") = "6"
    & skf21("7","2","7","3","4","7","3","1") = "6"
    & skf21("7","2","7","3","4","7","4","1") = "6"
    & skf21("7","2","7","3","4","7","5","1") = "6"
    & skf21("7","2","7","3","4","7","6","1") = "6"
    & skf21("7","2","7","3","4","7","7","1") = "6"
    & skf21("7","2","7","3","5","1","1","1") = "6"
    & skf21("7","2","7","3","5","1","2","1") = "6"
    & skf21("7","2","7","3","5","1","3","1") = "6"
    & skf21("7","2","7","3","5","1","4","1") = "6"
    & skf21("7","2","7","3","5","1","5","1") = "6"
    & skf21("7","2","7","3","5","1","6","1") = "6"
    & skf21("7","2","7","3","5","1","7","1") = "6"
    & skf21("7","2","7","3","5","2","1","1") = "6"
    & skf21("7","2","7","3","5","2","2","1") = "6"
    & skf21("7","2","7","3","5","2","3","1") = "6"
    & skf21("7","2","7","3","5","2","4","1") = "6"
    & skf21("7","2","7","3","5","2","5","1") = "6"
    & skf21("7","2","7","3","5","2","6","1") = "6"
    & skf21("7","2","7","3","5","2","7","1") = "6"
    & skf21("7","2","7","3","5","3","1","1") = "6"
    & skf21("7","2","7","3","5","3","2","1") = "6"
    & skf21("7","2","7","3","5","3","3","1") = "6"
    & skf21("7","2","7","3","5","3","4","1") = "6"
    & skf21("7","2","7","3","5","3","5","1") = "6"
    & skf21("7","2","7","3","5","3","6","1") = "6"
    & skf21("7","2","7","3","5","3","7","1") = "6"
    & skf21("7","2","7","3","5","4","1","1") = "6"
    & skf21("7","2","7","3","5","4","2","1") = "6"
    & skf21("7","2","7","3","5","4","3","1") = "6"
    & skf21("7","2","7","3","5","4","4","1") = "6"
    & skf21("7","2","7","3","5","4","5","1") = "6"
    & skf21("7","2","7","3","5","4","6","1") = "6"
    & skf21("7","2","7","3","5","4","7","1") = "6"
    & skf21("7","2","7","3","5","5","1","1") = "6"
    & skf21("7","2","7","3","5","5","2","1") = "6"
    & skf21("7","2","7","3","5","5","3","1") = "6"
    & skf21("7","2","7","3","5","5","4","1") = "6"
    & skf21("7","2","7","3","5","5","5","1") = "6"
    & skf21("7","2","7","3","5","5","6","1") = "6"
    & skf21("7","2","7","3","5","5","7","1") = "6"
    & skf21("7","2","7","3","5","6","1","1") = "6"
    & skf21("7","2","7","3","5","6","2","1") = "6"
    & skf21("7","2","7","3","5","6","3","1") = "6"
    & skf21("7","2","7","3","5","6","4","1") = "6"
    & skf21("7","2","7","3","5","6","5","1") = "6"
    & skf21("7","2","7","3","5","6","6","1") = "6"
    & skf21("7","2","7","3","5","6","7","1") = "6"
    & skf21("7","2","7","3","5","7","1","1") = "6"
    & skf21("7","2","7","3","5","7","2","1") = "6"
    & skf21("7","2","7","3","5","7","3","1") = "6"
    & skf21("7","2","7","3","5","7","4","1") = "6"
    & skf21("7","2","7","3","5","7","5","1") = "6"
    & skf21("7","2","7","3","5","7","6","1") = "6"
    & skf21("7","2","7","3","5","7","7","1") = "6"
    & skf21("7","2","7","3","6","1","1","1") = "6"
    & skf21("7","2","7","3","6","1","2","1") = "6"
    & skf21("7","2","7","3","6","1","3","1") = "6"
    & skf21("7","2","7","3","6","1","4","1") = "6"
    & skf21("7","2","7","3","6","1","5","1") = "6"
    & skf21("7","2","7","3","6","1","6","1") = "6"
    & skf21("7","2","7","3","6","1","7","1") = "6"
    & skf21("7","2","7","3","6","2","1","1") = "6"
    & skf21("7","2","7","3","6","2","2","1") = "6"
    & skf21("7","2","7","3","6","2","3","1") = "6"
    & skf21("7","2","7","3","6","2","4","1") = "6"
    & skf21("7","2","7","3","6","2","5","1") = "6"
    & skf21("7","2","7","3","6","2","6","1") = "6"
    & skf21("7","2","7","3","6","2","7","1") = "6"
    & skf21("7","2","7","3","6","3","1","1") = "6"
    & skf21("7","2","7","3","6","3","2","1") = "6"
    & skf21("7","2","7","3","6","3","3","1") = "6"
    & skf21("7","2","7","3","6","3","4","1") = "6"
    & skf21("7","2","7","3","6","3","5","1") = "6"
    & skf21("7","2","7","3","6","3","6","1") = "6"
    & skf21("7","2","7","3","6","3","7","1") = "6"
    & skf21("7","2","7","3","6","4","1","1") = "6"
    & skf21("7","2","7","3","6","4","2","1") = "6"
    & skf21("7","2","7","3","6","4","3","1") = "6"
    & skf21("7","2","7","3","6","4","4","1") = "6"
    & skf21("7","2","7","3","6","4","5","1") = "6"
    & skf21("7","2","7","3","6","4","6","1") = "6"
    & skf21("7","2","7","3","6","4","7","1") = "6"
    & skf21("7","2","7","3","6","5","1","1") = "6"
    & skf21("7","2","7","3","6","5","2","1") = "6"
    & skf21("7","2","7","3","6","5","3","1") = "6"
    & skf21("7","2","7","3","6","5","4","1") = "6"
    & skf21("7","2","7","3","6","5","5","1") = "6"
    & skf21("7","2","7","3","6","5","6","1") = "6"
    & skf21("7","2","7","3","6","5","7","1") = "6"
    & skf21("7","2","7","3","6","6","1","1") = "6"
    & skf21("7","2","7","3","6","6","2","1") = "6"
    & skf21("7","2","7","3","6","6","3","1") = "6"
    & skf21("7","2","7","3","6","6","4","1") = "6"
    & skf21("7","2","7","3","6","6","5","1") = "6"
    & skf21("7","2","7","3","6","6","6","1") = "6"
    & skf21("7","2","7","3","6","6","7","1") = "6"
    & skf21("7","2","7","3","6","7","1","1") = "6"
    & skf21("7","2","7","3","6","7","2","1") = "6"
    & skf21("7","2","7","3","6","7","3","1") = "6"
    & skf21("7","2","7","3","6","7","4","1") = "6"
    & skf21("7","2","7","3","6","7","5","1") = "6"
    & skf21("7","2","7","3","6","7","6","1") = "6"
    & skf21("7","2","7","3","6","7","7","1") = "6"
    & skf21("7","2","7","3","7","1","1","1") = "6"
    & skf21("7","2","7","3","7","1","2","1") = "6"
    & skf21("7","2","7","3","7","1","3","1") = "6"
    & skf21("7","2","7","3","7","1","4","1") = "6"
    & skf21("7","2","7","3","7","1","5","1") = "6"
    & skf21("7","2","7","3","7","1","6","1") = "6"
    & skf21("7","2","7","3","7","1","7","1") = "6"
    & skf21("7","2","7","3","7","2","1","1") = "6"
    & skf21("7","2","7","3","7","2","2","1") = "6"
    & skf21("7","2","7","3","7","2","3","1") = "6"
    & skf21("7","2","7","3","7","2","4","1") = "6"
    & skf21("7","2","7","3","7","2","5","1") = "6"
    & skf21("7","2","7","3","7","2","6","1") = "6"
    & skf21("7","2","7","3","7","2","7","1") = "6"
    & skf21("7","2","7","3","7","3","1","1") = "6"
    & skf21("7","2","7","3","7","3","2","1") = "6"
    & skf21("7","2","7","3","7","3","3","1") = "6"
    & skf21("7","2","7","3","7","3","4","1") = "6"
    & skf21("7","2","7","3","7","3","5","1") = "6"
    & skf21("7","2","7","3","7","3","6","1") = "6"
    & skf21("7","2","7","3","7","3","7","1") = "6"
    & skf21("7","2","7","3","7","4","1","1") = "6"
    & skf21("7","2","7","3","7","4","2","1") = "6"
    & skf21("7","2","7","3","7","4","3","1") = "6"
    & skf21("7","2","7","3","7","4","4","1") = "6"
    & skf21("7","2","7","3","7","4","5","1") = "6"
    & skf21("7","2","7","3","7","4","6","1") = "6"
    & skf21("7","2","7","3","7","4","7","1") = "6"
    & skf21("7","2","7","3","7","5","1","1") = "6"
    & skf21("7","2","7","3","7","5","2","1") = "6"
    & skf21("7","2","7","3","7","5","3","1") = "6"
    & skf21("7","2","7","3","7","5","4","1") = "6"
    & skf21("7","2","7","3","7","5","5","1") = "6"
    & skf21("7","2","7","3","7","5","6","1") = "6"
    & skf21("7","2","7","3","7","5","7","1") = "6"
    & skf21("7","2","7","3","7","6","1","1") = "6"
    & skf21("7","2","7","3","7","6","2","1") = "6"
    & skf21("7","2","7","3","7","6","3","1") = "6"
    & skf21("7","2","7","3","7","6","4","1") = "6"
    & skf21("7","2","7","3","7","6","5","1") = "6"
    & skf21("7","2","7","3","7","6","6","1") = "6"
    & skf21("7","2","7","3","7","6","7","1") = "6"
    & skf21("7","2","7","3","7","7","1","1") = "6"
    & skf21("7","2","7","3","7","7","2","1") = "6"
    & skf21("7","2","7","3","7","7","3","1") = "6"
    & skf21("7","2","7","3","7","7","4","1") = "6"
    & skf21("7","2","7","3","7","7","5","1") = "6"
    & skf21("7","2","7","3","7","7","6","1") = "6"
    & skf21("7","2","7","3","7","7","7","1") = "6"
    & skf21("7","2","7","4","1","1","1","1") = "6"
    & skf21("7","2","7","4","1","1","2","1") = "6"
    & skf21("7","2","7","4","1","1","3","1") = "6"
    & skf21("7","2","7","4","1","1","4","1") = "6"
    & skf21("7","2","7","4","1","1","5","1") = "6"
    & skf21("7","2","7","4","1","1","6","1") = "6"
    & skf21("7","2","7","4","1","1","7","1") = "6"
    & skf21("7","2","7","4","1","2","1","1") = "6"
    & skf21("7","2","7","4","1","2","2","1") = "6"
    & skf21("7","2","7","4","1","2","3","1") = "6"
    & skf21("7","2","7","4","1","2","4","1") = "6"
    & skf21("7","2","7","4","1","2","5","1") = "6"
    & skf21("7","2","7","4","1","2","6","1") = "6"
    & skf21("7","2","7","4","1","2","7","1") = "6"
    & skf21("7","2","7","4","1","3","1","1") = "6"
    & skf21("7","2","7","4","1","3","2","1") = "6"
    & skf21("7","2","7","4","1","3","3","1") = "6"
    & skf21("7","2","7","4","1","3","4","1") = "6"
    & skf21("7","2","7","4","1","3","5","1") = "6"
    & skf21("7","2","7","4","1","3","6","1") = "6"
    & skf21("7","2","7","4","1","3","7","1") = "6"
    & skf21("7","2","7","4","1","4","1","1") = "6"
    & skf21("7","2","7","4","1","4","2","1") = "6"
    & skf21("7","2","7","4","1","4","3","1") = "6"
    & skf21("7","2","7","4","1","4","4","1") = "6"
    & skf21("7","2","7","4","1","4","5","1") = "6"
    & skf21("7","2","7","4","1","4","6","1") = "6"
    & skf21("7","2","7","4","1","4","7","1") = "6"
    & skf21("7","2","7","4","1","5","1","1") = "6"
    & skf21("7","2","7","4","1","5","2","1") = "6"
    & skf21("7","2","7","4","1","5","3","1") = "6"
    & skf21("7","2","7","4","1","5","4","1") = "6"
    & skf21("7","2","7","4","1","5","5","1") = "6"
    & skf21("7","2","7","4","1","5","6","1") = "6"
    & skf21("7","2","7","4","1","5","7","1") = "6"
    & skf21("7","2","7","4","1","6","1","1") = "6"
    & skf21("7","2","7","4","1","6","2","1") = "6"
    & skf21("7","2","7","4","1","6","3","1") = "6"
    & skf21("7","2","7","4","1","6","4","1") = "6"
    & skf21("7","2","7","4","1","6","5","1") = "6"
    & skf21("7","2","7","4","1","6","6","1") = "6"
    & skf21("7","2","7","4","1","6","7","1") = "6"
    & skf21("7","2","7","4","1","7","1","1") = "6"
    & skf21("7","2","7","4","1","7","2","1") = "6"
    & skf21("7","2","7","4","1","7","3","1") = "6"
    & skf21("7","2","7","4","1","7","4","1") = "6"
    & skf21("7","2","7","4","1","7","5","1") = "6"
    & skf21("7","2","7","4","1","7","6","1") = "6"
    & skf21("7","2","7","4","1","7","7","1") = "6"
    & skf21("7","2","7","4","2","1","1","1") = "6"
    & skf21("7","2","7","4","2","1","2","1") = "6"
    & skf21("7","2","7","4","2","1","3","1") = "6"
    & skf21("7","2","7","4","2","1","4","1") = "6"
    & skf21("7","2","7","4","2","1","5","1") = "6"
    & skf21("7","2","7","4","2","1","6","1") = "6"
    & skf21("7","2","7","4","2","1","7","1") = "6"
    & skf21("7","2","7","4","2","2","1","1") = "6"
    & skf21("7","2","7","4","2","2","2","1") = "6"
    & skf21("7","2","7","4","2","2","3","1") = "6"
    & skf21("7","2","7","4","2","2","4","1") = "6"
    & skf21("7","2","7","4","2","2","5","1") = "6"
    & skf21("7","2","7","4","2","2","6","1") = "6"
    & skf21("7","2","7","4","2","2","7","1") = "6"
    & skf21("7","2","7","4","2","3","1","1") = "6"
    & skf21("7","2","7","4","2","3","2","1") = "6"
    & skf21("7","2","7","4","2","3","3","1") = "6"
    & skf21("7","2","7","4","2","3","4","1") = "6"
    & skf21("7","2","7","4","2","3","5","1") = "6"
    & skf21("7","2","7","4","2","3","6","1") = "6"
    & skf21("7","2","7","4","2","3","7","1") = "6"
    & skf21("7","2","7","4","2","4","1","1") = "6"
    & skf21("7","2","7","4","2","4","2","1") = "6"
    & skf21("7","2","7","4","2","4","3","1") = "6"
    & skf21("7","2","7","4","2","4","4","1") = "6"
    & skf21("7","2","7","4","2","4","5","1") = "6"
    & skf21("7","2","7","4","2","4","6","1") = "6"
    & skf21("7","2","7","4","2","4","7","1") = "6"
    & skf21("7","2","7","4","2","5","1","1") = "6"
    & skf21("7","2","7","4","2","5","2","1") = "6"
    & skf21("7","2","7","4","2","5","3","1") = "6"
    & skf21("7","2","7","4","2","5","4","1") = "6"
    & skf21("7","2","7","4","2","5","5","1") = "6"
    & skf21("7","2","7","4","2","5","6","1") = "6"
    & skf21("7","2","7","4","2","5","7","1") = "6"
    & skf21("7","2","7","4","2","6","1","1") = "6"
    & skf21("7","2","7","4","2","6","2","1") = "6"
    & skf21("7","2","7","4","2","6","3","1") = "6"
    & skf21("7","2","7","4","2","6","4","1") = "6"
    & skf21("7","2","7","4","2","6","5","1") = "6"
    & skf21("7","2","7","4","2","6","6","1") = "6"
    & skf21("7","2","7","4","2","6","7","1") = "6"
    & skf21("7","2","7","4","2","7","1","1") = "6"
    & skf21("7","2","7","4","2","7","2","1") = "6"
    & skf21("7","2","7","4","2","7","3","1") = "6"
    & skf21("7","2","7","4","2","7","4","1") = "6"
    & skf21("7","2","7","4","2","7","5","1") = "6"
    & skf21("7","2","7","4","2","7","6","1") = "6"
    & skf21("7","2","7","4","2","7","7","1") = "6"
    & skf21("7","2","7","4","3","1","1","1") = "6"
    & skf21("7","2","7","4","3","1","2","1") = "6"
    & skf21("7","2","7","4","3","1","3","1") = "6"
    & skf21("7","2","7","4","3","1","4","1") = "6"
    & skf21("7","2","7","4","3","1","5","1") = "6"
    & skf21("7","2","7","4","3","1","6","1") = "6"
    & skf21("7","2","7","4","3","1","7","1") = "6"
    & skf21("7","2","7","4","3","2","1","1") = "6"
    & skf21("7","2","7","4","3","2","2","1") = "6"
    & skf21("7","2","7","4","3","2","3","1") = "6"
    & skf21("7","2","7","4","3","2","4","1") = "6"
    & skf21("7","2","7","4","3","2","5","1") = "6"
    & skf21("7","2","7","4","3","2","6","1") = "6"
    & skf21("7","2","7","4","3","2","7","1") = "6"
    & skf21("7","2","7","4","3","3","1","1") = "6"
    & skf21("7","2","7","4","3","3","2","1") = "6"
    & skf21("7","2","7","4","3","3","3","1") = "6"
    & skf21("7","2","7","4","3","3","4","1") = "6"
    & skf21("7","2","7","4","3","3","5","1") = "6"
    & skf21("7","2","7","4","3","3","6","1") = "6"
    & skf21("7","2","7","4","3","3","7","1") = "6"
    & skf21("7","2","7","4","3","4","1","1") = "6"
    & skf21("7","2","7","4","3","4","2","1") = "6"
    & skf21("7","2","7","4","3","4","3","1") = "6"
    & skf21("7","2","7","4","3","4","4","1") = "6"
    & skf21("7","2","7","4","3","4","5","1") = "6"
    & skf21("7","2","7","4","3","4","6","1") = "6"
    & skf21("7","2","7","4","3","4","7","1") = "6"
    & skf21("7","2","7","4","3","5","1","1") = "6"
    & skf21("7","2","7","4","3","5","2","1") = "6"
    & skf21("7","2","7","4","3","5","3","1") = "6"
    & skf21("7","2","7","4","3","5","4","1") = "6"
    & skf21("7","2","7","4","3","5","5","1") = "6"
    & skf21("7","2","7","4","3","5","6","1") = "6"
    & skf21("7","2","7","4","3","5","7","1") = "6"
    & skf21("7","2","7","4","3","6","1","1") = "6"
    & skf21("7","2","7","4","3","6","2","1") = "6"
    & skf21("7","2","7","4","3","6","3","1") = "6"
    & skf21("7","2","7","4","3","6","4","1") = "6"
    & skf21("7","2","7","4","3","6","5","1") = "6"
    & skf21("7","2","7","4","3","6","6","1") = "6"
    & skf21("7","2","7","4","3","6","7","1") = "6"
    & skf21("7","2","7","4","3","7","1","1") = "6"
    & skf21("7","2","7","4","3","7","2","1") = "6"
    & skf21("7","2","7","4","3","7","3","1") = "6"
    & skf21("7","2","7","4","3","7","4","1") = "6"
    & skf21("7","2","7","4","3","7","5","1") = "6"
    & skf21("7","2","7","4","3","7","6","1") = "6"
    & skf21("7","2","7","4","3","7","7","1") = "6"
    & skf21("7","2","7","4","4","1","1","1") = "6"
    & skf21("7","2","7","4","4","1","2","1") = "6"
    & skf21("7","2","7","4","4","1","3","1") = "6"
    & skf21("7","2","7","4","4","1","4","1") = "6"
    & skf21("7","2","7","4","4","1","5","1") = "6"
    & skf21("7","2","7","4","4","1","6","1") = "6"
    & skf21("7","2","7","4","4","1","7","1") = "6"
    & skf21("7","2","7","4","4","2","1","1") = "6"
    & skf21("7","2","7","4","4","2","2","1") = "6"
    & skf21("7","2","7","4","4","2","3","1") = "6"
    & skf21("7","2","7","4","4","2","4","1") = "6"
    & skf21("7","2","7","4","4","2","5","1") = "6"
    & skf21("7","2","7","4","4","2","6","1") = "6"
    & skf21("7","2","7","4","4","2","7","1") = "6"
    & skf21("7","2","7","4","4","3","1","1") = "6"
    & skf21("7","2","7","4","4","3","2","1") = "6"
    & skf21("7","2","7","4","4","3","3","1") = "6"
    & skf21("7","2","7","4","4","3","4","1") = "6"
    & skf21("7","2","7","4","4","3","5","1") = "6"
    & skf21("7","2","7","4","4","3","6","1") = "6"
    & skf21("7","2","7","4","4","3","7","1") = "6"
    & skf21("7","2","7","4","4","4","1","1") = "6"
    & skf21("7","2","7","4","4","4","2","1") = "6"
    & skf21("7","2","7","4","4","4","3","1") = "6"
    & skf21("7","2","7","4","4","4","4","1") = "6"
    & skf21("7","2","7","4","4","4","5","1") = "6"
    & skf21("7","2","7","4","4","4","6","1") = "6"
    & skf21("7","2","7","4","4","4","7","1") = "6"
    & skf21("7","2","7","4","4","5","1","1") = "6"
    & skf21("7","2","7","4","4","5","2","1") = "6"
    & skf21("7","2","7","4","4","5","3","1") = "6"
    & skf21("7","2","7","4","4","5","4","1") = "6"
    & skf21("7","2","7","4","4","5","5","1") = "6"
    & skf21("7","2","7","4","4","5","6","1") = "6"
    & skf21("7","2","7","4","4","5","7","1") = "6"
    & skf21("7","2","7","4","4","6","1","1") = "6"
    & skf21("7","2","7","4","4","6","2","1") = "6"
    & skf21("7","2","7","4","4","6","3","1") = "6"
    & skf21("7","2","7","4","4","6","4","1") = "6"
    & skf21("7","2","7","4","4","6","5","1") = "6"
    & skf21("7","2","7","4","4","6","6","1") = "6"
    & skf21("7","2","7","4","4","6","7","1") = "6"
    & skf21("7","2","7","4","4","7","1","1") = "6"
    & skf21("7","2","7","4","4","7","2","1") = "6"
    & skf21("7","2","7","4","4","7","3","1") = "6"
    & skf21("7","2","7","4","4","7","4","1") = "6"
    & skf21("7","2","7","4","4","7","5","1") = "6"
    & skf21("7","2","7","4","4","7","6","1") = "6"
    & skf21("7","2","7","4","4","7","7","1") = "6"
    & skf21("7","2","7","4","5","1","1","1") = "6"
    & skf21("7","2","7","4","5","1","2","1") = "6"
    & skf21("7","2","7","4","5","1","3","1") = "6"
    & skf21("7","2","7","4","5","1","4","1") = "6"
    & skf21("7","2","7","4","5","1","5","1") = "6"
    & skf21("7","2","7","4","5","1","6","1") = "6"
    & skf21("7","2","7","4","5","1","7","1") = "6"
    & skf21("7","2","7","4","5","2","1","1") = "6"
    & skf21("7","2","7","4","5","2","2","1") = "6"
    & skf21("7","2","7","4","5","2","3","1") = "6"
    & skf21("7","2","7","4","5","2","4","1") = "6"
    & skf21("7","2","7","4","5","2","5","1") = "6"
    & skf21("7","2","7","4","5","2","6","1") = "6"
    & skf21("7","2","7","4","5","2","7","1") = "6"
    & skf21("7","2","7","4","5","3","1","1") = "6"
    & skf21("7","2","7","4","5","3","2","1") = "6"
    & skf21("7","2","7","4","5","3","3","1") = "6"
    & skf21("7","2","7","4","5","3","4","1") = "6"
    & skf21("7","2","7","4","5","3","5","1") = "6"
    & skf21("7","2","7","4","5","3","6","1") = "6"
    & skf21("7","2","7","4","5","3","7","1") = "6"
    & skf21("7","2","7","4","5","4","1","1") = "6"
    & skf21("7","2","7","4","5","4","2","1") = "6"
    & skf21("7","2","7","4","5","4","3","1") = "6"
    & skf21("7","2","7","4","5","4","4","1") = "6"
    & skf21("7","2","7","4","5","4","5","1") = "6"
    & skf21("7","2","7","4","5","4","6","1") = "6"
    & skf21("7","2","7","4","5","4","7","1") = "6"
    & skf21("7","2","7","4","5","5","1","1") = "6"
    & skf21("7","2","7","4","5","5","2","1") = "6"
    & skf21("7","2","7","4","5","5","3","1") = "6"
    & skf21("7","2","7","4","5","5","4","1") = "6"
    & skf21("7","2","7","4","5","5","5","1") = "6"
    & skf21("7","2","7","4","5","5","6","1") = "6"
    & skf21("7","2","7","4","5","5","7","1") = "6"
    & skf21("7","2","7","4","5","6","1","1") = "6"
    & skf21("7","2","7","4","5","6","2","1") = "6"
    & skf21("7","2","7","4","5","6","3","1") = "6"
    & skf21("7","2","7","4","5","6","4","1") = "6"
    & skf21("7","2","7","4","5","6","5","1") = "6"
    & skf21("7","2","7","4","5","6","6","1") = "6"
    & skf21("7","2","7","4","5","6","7","1") = "6"
    & skf21("7","2","7","4","5","7","1","1") = "6"
    & skf21("7","2","7","4","5","7","2","1") = "6"
    & skf21("7","2","7","4","5","7","3","1") = "6"
    & skf21("7","2","7","4","5","7","4","1") = "6"
    & skf21("7","2","7","4","5","7","5","1") = "6"
    & skf21("7","2","7","4","5","7","6","1") = "6"
    & skf21("7","2","7","4","5","7","7","1") = "6"
    & skf21("7","2","7","4","6","1","1","1") = "6"
    & skf21("7","2","7","4","6","1","2","1") = "6"
    & skf21("7","2","7","4","6","1","3","1") = "6"
    & skf21("7","2","7","4","6","1","4","1") = "6"
    & skf21("7","2","7","4","6","1","5","1") = "6"
    & skf21("7","2","7","4","6","1","6","1") = "6"
    & skf21("7","2","7","4","6","1","7","1") = "6"
    & skf21("7","2","7","4","6","2","1","1") = "6"
    & skf21("7","2","7","4","6","2","2","1") = "6"
    & skf21("7","2","7","4","6","2","3","1") = "6"
    & skf21("7","2","7","4","6","2","4","1") = "6"
    & skf21("7","2","7","4","6","2","5","1") = "6"
    & skf21("7","2","7","4","6","2","6","1") = "6"
    & skf21("7","2","7","4","6","2","7","1") = "6"
    & skf21("7","2","7","4","6","3","1","1") = "6"
    & skf21("7","2","7","4","6","3","2","1") = "6"
    & skf21("7","2","7","4","6","3","3","1") = "6"
    & skf21("7","2","7","4","6","3","4","1") = "6"
    & skf21("7","2","7","4","6","3","5","1") = "6"
    & skf21("7","2","7","4","6","3","6","1") = "6"
    & skf21("7","2","7","4","6","3","7","1") = "6"
    & skf21("7","2","7","4","6","4","1","1") = "6"
    & skf21("7","2","7","4","6","4","2","1") = "6"
    & skf21("7","2","7","4","6","4","3","1") = "6"
    & skf21("7","2","7","4","6","4","4","1") = "6"
    & skf21("7","2","7","4","6","4","5","1") = "6"
    & skf21("7","2","7","4","6","4","6","1") = "6"
    & skf21("7","2","7","4","6","4","7","1") = "6"
    & skf21("7","2","7","4","6","5","1","1") = "6"
    & skf21("7","2","7","4","6","5","2","1") = "6"
    & skf21("7","2","7","4","6","5","3","1") = "6"
    & skf21("7","2","7","4","6","5","4","1") = "6"
    & skf21("7","2","7","4","6","5","5","1") = "6"
    & skf21("7","2","7","4","6","5","6","1") = "6"
    & skf21("7","2","7","4","6","5","7","1") = "6"
    & skf21("7","2","7","4","6","6","1","1") = "6"
    & skf21("7","2","7","4","6","6","2","1") = "6"
    & skf21("7","2","7","4","6","6","3","1") = "6"
    & skf21("7","2","7","4","6","6","4","1") = "6"
    & skf21("7","2","7","4","6","6","5","1") = "6"
    & skf21("7","2","7","4","6","6","6","1") = "6"
    & skf21("7","2","7","4","6","6","7","1") = "6"
    & skf21("7","2","7","4","6","7","1","1") = "6"
    & skf21("7","2","7","4","6","7","2","1") = "6"
    & skf21("7","2","7","4","6","7","3","1") = "6"
    & skf21("7","2","7","4","6","7","4","1") = "6"
    & skf21("7","2","7","4","6","7","5","1") = "6"
    & skf21("7","2","7","4","6","7","6","1") = "6"
    & skf21("7","2","7","4","6","7","7","1") = "6"
    & skf21("7","2","7","4","7","1","1","1") = "6"
    & skf21("7","2","7","4","7","1","2","1") = "6"
    & skf21("7","2","7","4","7","1","3","1") = "6"
    & skf21("7","2","7","4","7","1","4","1") = "6"
    & skf21("7","2","7","4","7","1","5","1") = "6"
    & skf21("7","2","7","4","7","1","6","1") = "6"
    & skf21("7","2","7","4","7","1","7","1") = "6"
    & skf21("7","2","7","4","7","2","1","1") = "6"
    & skf21("7","2","7","4","7","2","2","1") = "6"
    & skf21("7","2","7","4","7","2","3","1") = "6"
    & skf21("7","2","7","4","7","2","4","1") = "6"
    & skf21("7","2","7","4","7","2","5","1") = "6"
    & skf21("7","2","7","4","7","2","6","1") = "6"
    & skf21("7","2","7","4","7","2","7","1") = "6"
    & skf21("7","2","7","4","7","3","1","1") = "6"
    & skf21("7","2","7","4","7","3","2","1") = "6"
    & skf21("7","2","7","4","7","3","3","1") = "6"
    & skf21("7","2","7","4","7","3","4","1") = "6"
    & skf21("7","2","7","4","7","3","5","1") = "6"
    & skf21("7","2","7","4","7","3","6","1") = "6"
    & skf21("7","2","7","4","7","3","7","1") = "6"
    & skf21("7","2","7","4","7","4","1","1") = "6"
    & skf21("7","2","7","4","7","4","2","1") = "6"
    & skf21("7","2","7","4","7","4","3","1") = "6"
    & skf21("7","2","7","4","7","4","4","1") = "6"
    & skf21("7","2","7","4","7","4","5","1") = "6"
    & skf21("7","2","7","4","7","4","6","1") = "6"
    & skf21("7","2","7","4","7","4","7","1") = "6"
    & skf21("7","2","7","4","7","5","1","1") = "6"
    & skf21("7","2","7","4","7","5","2","1") = "6"
    & skf21("7","2","7","4","7","5","3","1") = "6"
    & skf21("7","2","7","4","7","5","4","1") = "6"
    & skf21("7","2","7","4","7","5","5","1") = "6"
    & skf21("7","2","7","4","7","5","6","1") = "6"
    & skf21("7","2","7","4","7","5","7","1") = "6"
    & skf21("7","2","7","4","7","6","1","1") = "6"
    & skf21("7","2","7","4","7","6","2","1") = "6"
    & skf21("7","2","7","4","7","6","3","1") = "6"
    & skf21("7","2","7","4","7","6","4","1") = "6"
    & skf21("7","2","7","4","7","6","5","1") = "6"
    & skf21("7","2","7","4","7","6","6","1") = "6"
    & skf21("7","2","7","4","7","6","7","1") = "6"
    & skf21("7","2","7","4","7","7","1","1") = "6"
    & skf21("7","2","7","4","7","7","2","1") = "6"
    & skf21("7","2","7","4","7","7","3","1") = "6"
    & skf21("7","2","7","4","7","7","4","1") = "6"
    & skf21("7","2","7","4","7","7","5","1") = "6"
    & skf21("7","2","7","4","7","7","6","1") = "6"
    & skf21("7","2","7","4","7","7","7","1") = "6"
    & skf21("7","2","7","5","1","1","1","1") = "6"
    & skf21("7","2","7","5","1","1","2","1") = "6"
    & skf21("7","2","7","5","1","1","3","1") = "6"
    & skf21("7","2","7","5","1","1","4","1") = "6"
    & skf21("7","2","7","5","1","1","5","1") = "6"
    & skf21("7","2","7","5","1","1","6","1") = "6"
    & skf21("7","2","7","5","1","1","7","1") = "6"
    & skf21("7","2","7","5","1","2","1","1") = "6"
    & skf21("7","2","7","5","1","2","2","1") = "6"
    & skf21("7","2","7","5","1","2","3","1") = "6"
    & skf21("7","2","7","5","1","2","4","1") = "6"
    & skf21("7","2","7","5","1","2","5","1") = "6"
    & skf21("7","2","7","5","1","2","6","1") = "6"
    & skf21("7","2","7","5","1","2","7","1") = "6"
    & skf21("7","2","7","5","1","3","1","1") = "6"
    & skf21("7","2","7","5","1","3","2","1") = "6"
    & skf21("7","2","7","5","1","3","3","1") = "6"
    & skf21("7","2","7","5","1","3","4","1") = "6"
    & skf21("7","2","7","5","1","3","5","1") = "6"
    & skf21("7","2","7","5","1","3","6","1") = "6"
    & skf21("7","2","7","5","1","3","7","1") = "6"
    & skf21("7","2","7","5","1","4","1","1") = "6"
    & skf21("7","2","7","5","1","4","2","1") = "6"
    & skf21("7","2","7","5","1","4","3","1") = "6"
    & skf21("7","2","7","5","1","4","4","1") = "6"
    & skf21("7","2","7","5","1","4","5","1") = "6"
    & skf21("7","2","7","5","1","4","6","1") = "6"
    & skf21("7","2","7","5","1","4","7","1") = "6"
    & skf21("7","2","7","5","1","5","1","1") = "6"
    & skf21("7","2","7","5","1","5","2","1") = "6"
    & skf21("7","2","7","5","1","5","3","1") = "6"
    & skf21("7","2","7","5","1","5","4","1") = "6"
    & skf21("7","2","7","5","1","5","5","1") = "6"
    & skf21("7","2","7","5","1","5","6","1") = "6"
    & skf21("7","2","7","5","1","5","7","1") = "6"
    & skf21("7","2","7","5","1","6","1","1") = "6"
    & skf21("7","2","7","5","1","6","2","1") = "6"
    & skf21("7","2","7","5","1","6","3","1") = "6"
    & skf21("7","2","7","5","1","6","4","1") = "6"
    & skf21("7","2","7","5","1","6","5","1") = "6"
    & skf21("7","2","7","5","1","6","6","1") = "6"
    & skf21("7","2","7","5","1","6","7","1") = "6"
    & skf21("7","2","7","5","1","7","1","1") = "6"
    & skf21("7","2","7","5","1","7","2","1") = "6"
    & skf21("7","2","7","5","1","7","3","1") = "6"
    & skf21("7","2","7","5","1","7","4","1") = "6"
    & skf21("7","2","7","5","1","7","5","1") = "6"
    & skf21("7","2","7","5","1","7","6","1") = "6"
    & skf21("7","2","7","5","1","7","7","1") = "6"
    & skf21("7","2","7","5","2","1","1","1") = "6"
    & skf21("7","2","7","5","2","1","2","1") = "6"
    & skf21("7","2","7","5","2","1","3","1") = "6"
    & skf21("7","2","7","5","2","1","4","1") = "6"
    & skf21("7","2","7","5","2","1","5","1") = "6"
    & skf21("7","2","7","5","2","1","6","1") = "6"
    & skf21("7","2","7","5","2","1","7","1") = "6"
    & skf21("7","2","7","5","2","2","1","1") = "6"
    & skf21("7","2","7","5","2","2","2","1") = "6"
    & skf21("7","2","7","5","2","2","3","1") = "6"
    & skf21("7","2","7","5","2","2","4","1") = "6"
    & skf21("7","2","7","5","2","2","5","1") = "6"
    & skf21("7","2","7","5","2","2","6","1") = "6"
    & skf21("7","2","7","5","2","2","7","1") = "6"
    & skf21("7","2","7","5","2","3","1","1") = "6"
    & skf21("7","2","7","5","2","3","2","1") = "6"
    & skf21("7","2","7","5","2","3","3","1") = "6"
    & skf21("7","2","7","5","2","3","4","1") = "6"
    & skf21("7","2","7","5","2","3","5","1") = "6"
    & skf21("7","2","7","5","2","3","6","1") = "6"
    & skf21("7","2","7","5","2","3","7","1") = "6"
    & skf21("7","2","7","5","2","4","1","1") = "6"
    & skf21("7","2","7","5","2","4","2","1") = "6"
    & skf21("7","2","7","5","2","4","3","1") = "6"
    & skf21("7","2","7","5","2","4","4","1") = "6"
    & skf21("7","2","7","5","2","4","5","1") = "6"
    & skf21("7","2","7","5","2","4","6","1") = "6"
    & skf21("7","2","7","5","2","4","7","1") = "6"
    & skf21("7","2","7","5","2","5","1","1") = "6"
    & skf21("7","2","7","5","2","5","2","1") = "6"
    & skf21("7","2","7","5","2","5","3","1") = "6"
    & skf21("7","2","7","5","2","5","4","1") = "6"
    & skf21("7","2","7","5","2","5","5","1") = "6"
    & skf21("7","2","7","5","2","5","6","1") = "6"
    & skf21("7","2","7","5","2","5","7","1") = "6"
    & skf21("7","2","7","5","2","6","1","1") = "6"
    & skf21("7","2","7","5","2","6","2","1") = "6"
    & skf21("7","2","7","5","2","6","3","1") = "6"
    & skf21("7","2","7","5","2","6","4","1") = "6"
    & skf21("7","2","7","5","2","6","5","1") = "6"
    & skf21("7","2","7","5","2","6","6","1") = "6"
    & skf21("7","2","7","5","2","6","7","1") = "6"
    & skf21("7","2","7","5","2","7","1","1") = "6"
    & skf21("7","2","7","5","2","7","2","1") = "6"
    & skf21("7","2","7","5","2","7","3","1") = "6"
    & skf21("7","2","7","5","2","7","4","1") = "6"
    & skf21("7","2","7","5","2","7","5","1") = "6"
    & skf21("7","2","7","5","2","7","6","1") = "6"
    & skf21("7","2","7","5","2","7","7","1") = "6"
    & skf21("7","2","7","5","3","1","1","1") = "6"
    & skf21("7","2","7","5","3","1","2","1") = "6"
    & skf21("7","2","7","5","3","1","3","1") = "6"
    & skf21("7","2","7","5","3","1","4","1") = "6"
    & skf21("7","2","7","5","3","1","5","1") = "6"
    & skf21("7","2","7","5","3","1","6","1") = "6"
    & skf21("7","2","7","5","3","1","7","1") = "6"
    & skf21("7","2","7","5","3","2","1","1") = "6"
    & skf21("7","2","7","5","3","2","2","1") = "6"
    & skf21("7","2","7","5","3","2","3","1") = "6"
    & skf21("7","2","7","5","3","2","4","1") = "6"
    & skf21("7","2","7","5","3","2","5","1") = "6"
    & skf21("7","2","7","5","3","2","6","1") = "6"
    & skf21("7","2","7","5","3","2","7","1") = "6"
    & skf21("7","2","7","5","3","3","1","1") = "6"
    & skf21("7","2","7","5","3","3","2","1") = "6"
    & skf21("7","2","7","5","3","3","3","1") = "6"
    & skf21("7","2","7","5","3","3","4","1") = "6"
    & skf21("7","2","7","5","3","3","5","1") = "6"
    & skf21("7","2","7","5","3","3","6","1") = "6"
    & skf21("7","2","7","5","3","3","7","1") = "6"
    & skf21("7","2","7","5","3","4","1","1") = "6"
    & skf21("7","2","7","5","3","4","2","1") = "6"
    & skf21("7","2","7","5","3","4","3","1") = "6"
    & skf21("7","2","7","5","3","4","4","1") = "6"
    & skf21("7","2","7","5","3","4","5","1") = "6"
    & skf21("7","2","7","5","3","4","6","1") = "6"
    & skf21("7","2","7","5","3","4","7","1") = "6"
    & skf21("7","2","7","5","3","5","1","1") = "6"
    & skf21("7","2","7","5","3","5","2","1") = "6"
    & skf21("7","2","7","5","3","5","3","1") = "6"
    & skf21("7","2","7","5","3","5","4","1") = "6"
    & skf21("7","2","7","5","3","5","5","1") = "6"
    & skf21("7","2","7","5","3","5","6","1") = "6"
    & skf21("7","2","7","5","3","5","7","1") = "6"
    & skf21("7","2","7","5","3","6","1","1") = "6"
    & skf21("7","2","7","5","3","6","2","1") = "6"
    & skf21("7","2","7","5","3","6","3","1") = "6"
    & skf21("7","2","7","5","3","6","4","1") = "6"
    & skf21("7","2","7","5","3","6","5","1") = "6"
    & skf21("7","2","7","5","3","6","6","1") = "6"
    & skf21("7","2","7","5","3","6","7","1") = "6"
    & skf21("7","2","7","5","3","7","1","1") = "6"
    & skf21("7","2","7","5","3","7","2","1") = "6"
    & skf21("7","2","7","5","3","7","3","1") = "6"
    & skf21("7","2","7","5","3","7","4","1") = "6"
    & skf21("7","2","7","5","3","7","5","1") = "6"
    & skf21("7","2","7","5","3","7","6","1") = "6"
    & skf21("7","2","7","5","3","7","7","1") = "6"
    & skf21("7","2","7","5","4","1","1","1") = "6"
    & skf21("7","2","7","5","4","1","2","1") = "6"
    & skf21("7","2","7","5","4","1","3","1") = "6"
    & skf21("7","2","7","5","4","1","4","1") = "6"
    & skf21("7","2","7","5","4","1","5","1") = "6"
    & skf21("7","2","7","5","4","1","6","1") = "6"
    & skf21("7","2","7","5","4","1","7","1") = "6"
    & skf21("7","2","7","5","4","2","1","1") = "6"
    & skf21("7","2","7","5","4","2","2","1") = "6"
    & skf21("7","2","7","5","4","2","3","1") = "6"
    & skf21("7","2","7","5","4","2","4","1") = "6"
    & skf21("7","2","7","5","4","2","5","1") = "6"
    & skf21("7","2","7","5","4","2","6","1") = "6"
    & skf21("7","2","7","5","4","2","7","1") = "6"
    & skf21("7","2","7","5","4","3","1","1") = "6"
    & skf21("7","2","7","5","4","3","2","1") = "6"
    & skf21("7","2","7","5","4","3","3","1") = "6"
    & skf21("7","2","7","5","4","3","4","1") = "6"
    & skf21("7","2","7","5","4","3","5","1") = "6"
    & skf21("7","2","7","5","4","3","6","1") = "6"
    & skf21("7","2","7","5","4","3","7","1") = "6"
    & skf21("7","2","7","5","4","4","1","1") = "6"
    & skf21("7","2","7","5","4","4","2","1") = "6"
    & skf21("7","2","7","5","4","4","3","1") = "6"
    & skf21("7","2","7","5","4","4","4","1") = "6"
    & skf21("7","2","7","5","4","4","5","1") = "6"
    & skf21("7","2","7","5","4","4","6","1") = "6"
    & skf21("7","2","7","5","4","4","7","1") = "6"
    & skf21("7","2","7","5","4","5","1","1") = "6"
    & skf21("7","2","7","5","4","5","2","1") = "6"
    & skf21("7","2","7","5","4","5","3","1") = "6"
    & skf21("7","2","7","5","4","5","4","1") = "6"
    & skf21("7","2","7","5","4","5","5","1") = "6"
    & skf21("7","2","7","5","4","5","6","1") = "6"
    & skf21("7","2","7","5","4","5","7","1") = "6"
    & skf21("7","2","7","5","4","6","1","1") = "6"
    & skf21("7","2","7","5","4","6","2","1") = "6"
    & skf21("7","2","7","5","4","6","3","1") = "6"
    & skf21("7","2","7","5","4","6","4","1") = "6"
    & skf21("7","2","7","5","4","6","5","1") = "6"
    & skf21("7","2","7","5","4","6","6","1") = "6"
    & skf21("7","2","7","5","4","6","7","1") = "6"
    & skf21("7","2","7","5","4","7","1","1") = "6"
    & skf21("7","2","7","5","4","7","2","1") = "6"
    & skf21("7","2","7","5","4","7","3","1") = "6"
    & skf21("7","2","7","5","4","7","4","1") = "6"
    & skf21("7","2","7","5","4","7","5","1") = "6"
    & skf21("7","2","7","5","4","7","6","1") = "6"
    & skf21("7","2","7","5","4","7","7","1") = "6"
    & skf21("7","2","7","5","5","1","1","1") = "6"
    & skf21("7","2","7","5","5","1","2","1") = "6"
    & skf21("7","2","7","5","5","1","3","1") = "6"
    & skf21("7","2","7","5","5","1","4","1") = "6"
    & skf21("7","2","7","5","5","1","5","1") = "6"
    & skf21("7","2","7","5","5","1","6","1") = "6"
    & skf21("7","2","7","5","5","1","7","1") = "6"
    & skf21("7","2","7","5","5","2","1","1") = "6"
    & skf21("7","2","7","5","5","2","2","1") = "6"
    & skf21("7","2","7","5","5","2","3","1") = "6"
    & skf21("7","2","7","5","5","2","4","1") = "6"
    & skf21("7","2","7","5","5","2","5","1") = "6"
    & skf21("7","2","7","5","5","2","6","1") = "6"
    & skf21("7","2","7","5","5","2","7","1") = "6"
    & skf21("7","2","7","5","5","3","1","1") = "6"
    & skf21("7","2","7","5","5","3","2","1") = "6"
    & skf21("7","2","7","5","5","3","3","1") = "6"
    & skf21("7","2","7","5","5","3","4","1") = "6"
    & skf21("7","2","7","5","5","3","5","1") = "6"
    & skf21("7","2","7","5","5","3","6","1") = "6"
    & skf21("7","2","7","5","5","3","7","1") = "6"
    & skf21("7","2","7","5","5","4","1","1") = "6"
    & skf21("7","2","7","5","5","4","2","1") = "6"
    & skf21("7","2","7","5","5","4","3","1") = "6"
    & skf21("7","2","7","5","5","4","4","1") = "6"
    & skf21("7","2","7","5","5","4","5","1") = "6"
    & skf21("7","2","7","5","5","4","6","1") = "6"
    & skf21("7","2","7","5","5","4","7","1") = "6"
    & skf21("7","2","7","5","5","5","1","1") = "6"
    & skf21("7","2","7","5","5","5","2","1") = "6"
    & skf21("7","2","7","5","5","5","3","1") = "6"
    & skf21("7","2","7","5","5","5","4","1") = "6"
    & skf21("7","2","7","5","5","5","5","1") = "6"
    & skf21("7","2","7","5","5","5","6","1") = "6"
    & skf21("7","2","7","5","5","5","7","1") = "6"
    & skf21("7","2","7","5","5","6","1","1") = "6"
    & skf21("7","2","7","5","5","6","2","1") = "6"
    & skf21("7","2","7","5","5","6","3","1") = "6"
    & skf21("7","2","7","5","5","6","4","1") = "6"
    & skf21("7","2","7","5","5","6","5","1") = "6"
    & skf21("7","2","7","5","5","6","6","1") = "6"
    & skf21("7","2","7","5","5","6","7","1") = "6"
    & skf21("7","2","7","5","5","7","1","1") = "6"
    & skf21("7","2","7","5","5","7","2","1") = "6"
    & skf21("7","2","7","5","5","7","3","1") = "6"
    & skf21("7","2","7","5","5","7","4","1") = "6"
    & skf21("7","2","7","5","5","7","5","1") = "6"
    & skf21("7","2","7","5","5","7","6","1") = "6"
    & skf21("7","2","7","5","5","7","7","1") = "6"
    & skf21("7","2","7","5","6","1","1","1") = "6"
    & skf21("7","2","7","5","6","1","2","1") = "6"
    & skf21("7","2","7","5","6","1","3","1") = "6"
    & skf21("7","2","7","5","6","1","4","1") = "6"
    & skf21("7","2","7","5","6","1","5","1") = "6"
    & skf21("7","2","7","5","6","1","6","1") = "6"
    & skf21("7","2","7","5","6","1","7","1") = "6"
    & skf21("7","2","7","5","6","2","1","1") = "6"
    & skf21("7","2","7","5","6","2","2","1") = "6"
    & skf21("7","2","7","5","6","2","3","1") = "6"
    & skf21("7","2","7","5","6","2","4","1") = "6"
    & skf21("7","2","7","5","6","2","5","1") = "6"
    & skf21("7","2","7","5","6","2","6","1") = "6"
    & skf21("7","2","7","5","6","2","7","1") = "6"
    & skf21("7","2","7","5","6","3","1","1") = "6"
    & skf21("7","2","7","5","6","3","2","1") = "6"
    & skf21("7","2","7","5","6","3","3","1") = "6"
    & skf21("7","2","7","5","6","3","4","1") = "6"
    & skf21("7","2","7","5","6","3","5","1") = "6"
    & skf21("7","2","7","5","6","3","6","1") = "6"
    & skf21("7","2","7","5","6","3","7","1") = "6"
    & skf21("7","2","7","5","6","4","1","1") = "6"
    & skf21("7","2","7","5","6","4","2","1") = "6"
    & skf21("7","2","7","5","6","4","3","1") = "6"
    & skf21("7","2","7","5","6","4","4","1") = "6"
    & skf21("7","2","7","5","6","4","5","1") = "6"
    & skf21("7","2","7","5","6","4","6","1") = "6"
    & skf21("7","2","7","5","6","4","7","1") = "6"
    & skf21("7","2","7","5","6","5","1","1") = "6"
    & skf21("7","2","7","5","6","5","2","1") = "6"
    & skf21("7","2","7","5","6","5","3","1") = "6"
    & skf21("7","2","7","5","6","5","4","1") = "6"
    & skf21("7","2","7","5","6","5","5","1") = "6"
    & skf21("7","2","7","5","6","5","6","1") = "6"
    & skf21("7","2","7","5","6","5","7","1") = "6"
    & skf21("7","2","7","5","6","6","1","1") = "6"
    & skf21("7","2","7","5","6","6","2","1") = "6"
    & skf21("7","2","7","5","6","6","3","1") = "6"
    & skf21("7","2","7","5","6","6","4","1") = "6"
    & skf21("7","2","7","5","6","6","5","1") = "6"
    & skf21("7","2","7","5","6","6","6","1") = "6"
    & skf21("7","2","7","5","6","6","7","1") = "6"
    & skf21("7","2","7","5","6","7","1","1") = "6"
    & skf21("7","2","7","5","6","7","2","1") = "6"
    & skf21("7","2","7","5","6","7","3","1") = "6"
    & skf21("7","2","7","5","6","7","4","1") = "6"
    & skf21("7","2","7","5","6","7","5","1") = "6"
    & skf21("7","2","7","5","6","7","6","1") = "6"
    & skf21("7","2","7","5","6","7","7","1") = "6"
    & skf21("7","2","7","5","7","1","1","1") = "6"
    & skf21("7","2","7","5","7","1","2","1") = "6"
    & skf21("7","2","7","5","7","1","3","1") = "6"
    & skf21("7","2","7","5","7","1","4","1") = "6"
    & skf21("7","2","7","5","7","1","5","1") = "6"
    & skf21("7","2","7","5","7","1","6","1") = "6"
    & skf21("7","2","7","5","7","1","7","1") = "6"
    & skf21("7","2","7","5","7","2","1","1") = "6"
    & skf21("7","2","7","5","7","2","2","1") = "6"
    & skf21("7","2","7","5","7","2","3","1") = "6"
    & skf21("7","2","7","5","7","2","4","1") = "6"
    & skf21("7","2","7","5","7","2","5","1") = "6"
    & skf21("7","2","7","5","7","2","6","1") = "6"
    & skf21("7","2","7","5","7","2","7","1") = "6"
    & skf21("7","2","7","5","7","3","1","1") = "6"
    & skf21("7","2","7","5","7","3","2","1") = "6"
    & skf21("7","2","7","5","7","3","3","1") = "6"
    & skf21("7","2","7","5","7","3","4","1") = "6"
    & skf21("7","2","7","5","7","3","5","1") = "6"
    & skf21("7","2","7","5","7","3","6","1") = "6"
    & skf21("7","2","7","5","7","3","7","1") = "6"
    & skf21("7","2","7","5","7","4","1","1") = "6"
    & skf21("7","2","7","5","7","4","2","1") = "6"
    & skf21("7","2","7","5","7","4","3","1") = "6"
    & skf21("7","2","7","5","7","4","4","1") = "6"
    & skf21("7","2","7","5","7","4","5","1") = "6"
    & skf21("7","2","7","5","7","4","6","1") = "6"
    & skf21("7","2","7","5","7","4","7","1") = "6"
    & skf21("7","2","7","5","7","5","1","1") = "6"
    & skf21("7","2","7","5","7","5","2","1") = "6"
    & skf21("7","2","7","5","7","5","3","1") = "6"
    & skf21("7","2","7","5","7","5","4","1") = "6"
    & skf21("7","2","7","5","7","5","5","1") = "6"
    & skf21("7","2","7","5","7","5","6","1") = "6"
    & skf21("7","2","7","5","7","5","7","1") = "6"
    & skf21("7","2","7","5","7","6","1","1") = "6"
    & skf21("7","2","7","5","7","6","2","1") = "6"
    & skf21("7","2","7","5","7","6","3","1") = "6"
    & skf21("7","2","7","5","7","6","4","1") = "6"
    & skf21("7","2","7","5","7","6","5","1") = "6"
    & skf21("7","2","7","5","7","6","6","1") = "6"
    & skf21("7","2","7","5","7","6","7","1") = "6"
    & skf21("7","2","7","5","7","7","1","1") = "6"
    & skf21("7","2","7","5","7","7","2","1") = "6"
    & skf21("7","2","7","5","7","7","3","1") = "6"
    & skf21("7","2","7","5","7","7","4","1") = "6"
    & skf21("7","2","7","5","7","7","5","1") = "6"
    & skf21("7","2","7","5","7","7","6","1") = "6"
    & skf21("7","2","7","5","7","7","7","1") = "6"
    & skf21("7","2","7","6","1","1","1","1") = "6"
    & skf21("7","2","7","6","1","1","2","1") = "6"
    & skf21("7","2","7","6","1","1","3","1") = "6"
    & skf21("7","2","7","6","1","1","4","1") = "6"
    & skf21("7","2","7","6","1","1","5","1") = "6"
    & skf21("7","2","7","6","1","1","6","1") = "6"
    & skf21("7","2","7","6","1","1","7","1") = "6"
    & skf21("7","2","7","6","1","2","1","1") = "6"
    & skf21("7","2","7","6","1","2","2","1") = "6"
    & skf21("7","2","7","6","1","2","3","1") = "6"
    & skf21("7","2","7","6","1","2","4","1") = "6"
    & skf21("7","2","7","6","1","2","5","1") = "6"
    & skf21("7","2","7","6","1","2","6","1") = "6"
    & skf21("7","2","7","6","1","2","7","1") = "6"
    & skf21("7","2","7","6","1","3","1","1") = "6"
    & skf21("7","2","7","6","1","3","2","1") = "6"
    & skf21("7","2","7","6","1","3","3","1") = "6"
    & skf21("7","2","7","6","1","3","4","1") = "6"
    & skf21("7","2","7","6","1","3","5","1") = "6"
    & skf21("7","2","7","6","1","3","6","1") = "6"
    & skf21("7","2","7","6","1","3","7","1") = "6"
    & skf21("7","2","7","6","1","4","1","1") = "6"
    & skf21("7","2","7","6","1","4","2","1") = "6"
    & skf21("7","2","7","6","1","4","3","1") = "6"
    & skf21("7","2","7","6","1","4","4","1") = "6"
    & skf21("7","2","7","6","1","4","5","1") = "6"
    & skf21("7","2","7","6","1","4","6","1") = "6"
    & skf21("7","2","7","6","1","4","7","1") = "6"
    & skf21("7","2","7","6","1","5","1","1") = "6"
    & skf21("7","2","7","6","1","5","2","1") = "6"
    & skf21("7","2","7","6","1","5","3","1") = "6"
    & skf21("7","2","7","6","1","5","4","1") = "6"
    & skf21("7","2","7","6","1","5","5","1") = "6"
    & skf21("7","2","7","6","1","5","6","1") = "6"
    & skf21("7","2","7","6","1","5","7","1") = "6"
    & skf21("7","2","7","6","1","6","1","1") = "6"
    & skf21("7","2","7","6","1","6","2","1") = "6"
    & skf21("7","2","7","6","1","6","3","1") = "6"
    & skf21("7","2","7","6","1","6","4","1") = "6"
    & skf21("7","2","7","6","1","6","5","1") = "6"
    & skf21("7","2","7","6","1","6","6","1") = "6"
    & skf21("7","2","7","6","1","6","7","1") = "6"
    & skf21("7","2","7","6","1","7","1","1") = "6"
    & skf21("7","2","7","6","1","7","2","1") = "6"
    & skf21("7","2","7","6","1","7","3","1") = "6"
    & skf21("7","2","7","6","1","7","4","1") = "6"
    & skf21("7","2","7","6","1","7","5","1") = "6"
    & skf21("7","2","7","6","1","7","6","1") = "6"
    & skf21("7","2","7","6","1","7","7","1") = "6"
    & skf21("7","2","7","6","2","1","1","1") = "6"
    & skf21("7","2","7","6","2","1","2","1") = "6"
    & skf21("7","2","7","6","2","1","3","1") = "6"
    & skf21("7","2","7","6","2","1","4","1") = "6"
    & skf21("7","2","7","6","2","1","5","1") = "6"
    & skf21("7","2","7","6","2","1","6","1") = "6"
    & skf21("7","2","7","6","2","1","7","1") = "6"
    & skf21("7","2","7","6","2","2","1","1") = "6"
    & skf21("7","2","7","6","2","2","2","1") = "6"
    & skf21("7","2","7","6","2","2","3","1") = "6"
    & skf21("7","2","7","6","2","2","4","1") = "6"
    & skf21("7","2","7","6","2","2","5","1") = "6"
    & skf21("7","2","7","6","2","2","6","1") = "6"
    & skf21("7","2","7","6","2","2","7","1") = "6"
    & skf21("7","2","7","6","2","3","1","1") = "6"
    & skf21("7","2","7","6","2","3","2","1") = "6"
    & skf21("7","2","7","6","2","3","3","1") = "6"
    & skf21("7","2","7","6","2","3","4","1") = "6"
    & skf21("7","2","7","6","2","3","5","1") = "6"
    & skf21("7","2","7","6","2","3","6","1") = "6"
    & skf21("7","2","7","6","2","3","7","1") = "6"
    & skf21("7","2","7","6","2","4","1","1") = "6"
    & skf21("7","2","7","6","2","4","2","1") = "6"
    & skf21("7","2","7","6","2","4","3","1") = "6"
    & skf21("7","2","7","6","2","4","4","1") = "6"
    & skf21("7","2","7","6","2","4","5","1") = "6"
    & skf21("7","2","7","6","2","4","6","1") = "6"
    & skf21("7","2","7","6","2","4","7","1") = "6"
    & skf21("7","2","7","6","2","5","1","1") = "6"
    & skf21("7","2","7","6","2","5","2","1") = "6"
    & skf21("7","2","7","6","2","5","3","1") = "6"
    & skf21("7","2","7","6","2","5","4","1") = "6"
    & skf21("7","2","7","6","2","5","5","1") = "6"
    & skf21("7","2","7","6","2","5","6","1") = "6"
    & skf21("7","2","7","6","2","5","7","1") = "6"
    & skf21("7","2","7","6","2","6","1","1") = "6"
    & skf21("7","2","7","6","2","6","2","1") = "6"
    & skf21("7","2","7","6","2","6","3","1") = "6"
    & skf21("7","2","7","6","2","6","4","1") = "6"
    & skf21("7","2","7","6","2","6","5","1") = "6"
    & skf21("7","2","7","6","2","6","6","1") = "6"
    & skf21("7","2","7","6","2","6","7","1") = "6"
    & skf21("7","2","7","6","2","7","1","1") = "6"
    & skf21("7","2","7","6","2","7","2","1") = "6"
    & skf21("7","2","7","6","2","7","3","1") = "6"
    & skf21("7","2","7","6","2","7","4","1") = "6"
    & skf21("7","2","7","6","2","7","5","1") = "6"
    & skf21("7","2","7","6","2","7","6","1") = "6"
    & skf21("7","2","7","6","2","7","7","1") = "6"
    & skf21("7","2","7","6","3","1","1","1") = "6"
    & skf21("7","2","7","6","3","1","2","1") = "6"
    & skf21("7","2","7","6","3","1","3","1") = "6"
    & skf21("7","2","7","6","3","1","4","1") = "6"
    & skf21("7","2","7","6","3","1","5","1") = "6"
    & skf21("7","2","7","6","3","1","6","1") = "6"
    & skf21("7","2","7","6","3","1","7","1") = "6"
    & skf21("7","2","7","6","3","2","1","1") = "6"
    & skf21("7","2","7","6","3","2","2","1") = "6"
    & skf21("7","2","7","6","3","2","3","1") = "6"
    & skf21("7","2","7","6","3","2","4","1") = "6"
    & skf21("7","2","7","6","3","2","5","1") = "6"
    & skf21("7","2","7","6","3","2","6","1") = "6"
    & skf21("7","2","7","6","3","2","7","1") = "6"
    & skf21("7","2","7","6","3","3","1","1") = "6"
    & skf21("7","2","7","6","3","3","2","1") = "6"
    & skf21("7","2","7","6","3","3","3","1") = "6"
    & skf21("7","2","7","6","3","3","4","1") = "6"
    & skf21("7","2","7","6","3","3","5","1") = "6"
    & skf21("7","2","7","6","3","3","6","1") = "6"
    & skf21("7","2","7","6","3","3","7","1") = "6"
    & skf21("7","2","7","6","3","4","1","1") = "6"
    & skf21("7","2","7","6","3","4","2","1") = "6"
    & skf21("7","2","7","6","3","4","3","1") = "6"
    & skf21("7","2","7","6","3","4","4","1") = "6"
    & skf21("7","2","7","6","3","4","5","1") = "6"
    & skf21("7","2","7","6","3","4","6","1") = "6"
    & skf21("7","2","7","6","3","4","7","1") = "6"
    & skf21("7","2","7","6","3","5","1","1") = "6"
    & skf21("7","2","7","6","3","5","2","1") = "6"
    & skf21("7","2","7","6","3","5","3","1") = "6"
    & skf21("7","2","7","6","3","5","4","1") = "6"
    & skf21("7","2","7","6","3","5","5","1") = "6"
    & skf21("7","2","7","6","3","5","6","1") = "6"
    & skf21("7","2","7","6","3","5","7","1") = "6"
    & skf21("7","2","7","6","3","6","1","1") = "6"
    & skf21("7","2","7","6","3","6","2","1") = "6"
    & skf21("7","2","7","6","3","6","3","1") = "6"
    & skf21("7","2","7","6","3","6","4","1") = "6"
    & skf21("7","2","7","6","3","6","5","1") = "6"
    & skf21("7","2","7","6","3","6","6","1") = "6"
    & skf21("7","2","7","6","3","6","7","1") = "6"
    & skf21("7","2","7","6","3","7","1","1") = "6"
    & skf21("7","2","7","6","3","7","2","1") = "6"
    & skf21("7","2","7","6","3","7","3","1") = "6"
    & skf21("7","2","7","6","3","7","4","1") = "6"
    & skf21("7","2","7","6","3","7","5","1") = "6"
    & skf21("7","2","7","6","3","7","6","1") = "6"
    & skf21("7","2","7","6","3","7","7","1") = "6"
    & skf21("7","2","7","6","4","1","1","1") = "6"
    & skf21("7","2","7","6","4","1","2","1") = "6"
    & skf21("7","2","7","6","4","1","3","1") = "6"
    & skf21("7","2","7","6","4","1","4","1") = "6"
    & skf21("7","2","7","6","4","1","5","1") = "6"
    & skf21("7","2","7","6","4","1","6","1") = "6"
    & skf21("7","2","7","6","4","1","7","1") = "6"
    & skf21("7","2","7","6","4","2","1","1") = "6"
    & skf21("7","2","7","6","4","2","2","1") = "6"
    & skf21("7","2","7","6","4","2","3","1") = "6"
    & skf21("7","2","7","6","4","2","4","1") = "6"
    & skf21("7","2","7","6","4","2","5","1") = "6"
    & skf21("7","2","7","6","4","2","6","1") = "6"
    & skf21("7","2","7","6","4","2","7","1") = "6"
    & skf21("7","2","7","6","4","3","1","1") = "6"
    & skf21("7","2","7","6","4","3","2","1") = "6"
    & skf21("7","2","7","6","4","3","3","1") = "6"
    & skf21("7","2","7","6","4","3","4","1") = "6"
    & skf21("7","2","7","6","4","3","5","1") = "6"
    & skf21("7","2","7","6","4","3","6","1") = "6"
    & skf21("7","2","7","6","4","3","7","1") = "6"
    & skf21("7","2","7","6","4","4","1","1") = "6"
    & skf21("7","2","7","6","4","4","2","1") = "6"
    & skf21("7","2","7","6","4","4","3","1") = "6"
    & skf21("7","2","7","6","4","4","4","1") = "6"
    & skf21("7","2","7","6","4","4","5","1") = "6"
    & skf21("7","2","7","6","4","4","6","1") = "6"
    & skf21("7","2","7","6","4","4","7","1") = "6"
    & skf21("7","2","7","6","4","5","1","1") = "6"
    & skf21("7","2","7","6","4","5","2","1") = "6"
    & skf21("7","2","7","6","4","5","3","1") = "6"
    & skf21("7","2","7","6","4","5","4","1") = "6"
    & skf21("7","2","7","6","4","5","5","1") = "6"
    & skf21("7","2","7","6","4","5","6","1") = "6"
    & skf21("7","2","7","6","4","5","7","1") = "6"
    & skf21("7","2","7","6","4","6","1","1") = "6"
    & skf21("7","2","7","6","4","6","2","1") = "6"
    & skf21("7","2","7","6","4","6","3","1") = "6"
    & skf21("7","2","7","6","4","6","4","1") = "6"
    & skf21("7","2","7","6","4","6","5","1") = "6"
    & skf21("7","2","7","6","4","6","6","1") = "6"
    & skf21("7","2","7","6","4","6","7","1") = "6"
    & skf21("7","2","7","6","4","7","1","1") = "6"
    & skf21("7","2","7","6","4","7","2","1") = "6"
    & skf21("7","2","7","6","4","7","3","1") = "6"
    & skf21("7","2","7","6","4","7","4","1") = "6"
    & skf21("7","2","7","6","4","7","5","1") = "6"
    & skf21("7","2","7","6","4","7","6","1") = "6"
    & skf21("7","2","7","6","4","7","7","1") = "6"
    & skf21("7","2","7","6","5","1","1","1") = "6"
    & skf21("7","2","7","6","5","1","2","1") = "6"
    & skf21("7","2","7","6","5","1","3","1") = "6"
    & skf21("7","2","7","6","5","1","4","1") = "6"
    & skf21("7","2","7","6","5","1","5","1") = "6"
    & skf21("7","2","7","6","5","1","6","1") = "6"
    & skf21("7","2","7","6","5","1","7","1") = "6"
    & skf21("7","2","7","6","5","2","1","1") = "6"
    & skf21("7","2","7","6","5","2","2","1") = "6"
    & skf21("7","2","7","6","5","2","3","1") = "6"
    & skf21("7","2","7","6","5","2","4","1") = "6"
    & skf21("7","2","7","6","5","2","5","1") = "6"
    & skf21("7","2","7","6","5","2","6","1") = "6"
    & skf21("7","2","7","6","5","2","7","1") = "6"
    & skf21("7","2","7","6","5","3","1","1") = "6"
    & skf21("7","2","7","6","5","3","2","1") = "6"
    & skf21("7","2","7","6","5","3","3","1") = "6"
    & skf21("7","2","7","6","5","3","4","1") = "6"
    & skf21("7","2","7","6","5","3","5","1") = "6"
    & skf21("7","2","7","6","5","3","6","1") = "6"
    & skf21("7","2","7","6","5","3","7","1") = "6"
    & skf21("7","2","7","6","5","4","1","1") = "6"
    & skf21("7","2","7","6","5","4","2","1") = "6"
    & skf21("7","2","7","6","5","4","3","1") = "6"
    & skf21("7","2","7","6","5","4","4","1") = "6"
    & skf21("7","2","7","6","5","4","5","1") = "6"
    & skf21("7","2","7","6","5","4","6","1") = "6"
    & skf21("7","2","7","6","5","4","7","1") = "6"
    & skf21("7","2","7","6","5","5","1","1") = "6"
    & skf21("7","2","7","6","5","5","2","1") = "6"
    & skf21("7","2","7","6","5","5","3","1") = "6"
    & skf21("7","2","7","6","5","5","4","1") = "6"
    & skf21("7","2","7","6","5","5","5","1") = "6"
    & skf21("7","2","7","6","5","5","6","1") = "6"
    & skf21("7","2","7","6","5","5","7","1") = "6"
    & skf21("7","2","7","6","5","6","1","1") = "6"
    & skf21("7","2","7","6","5","6","2","1") = "6"
    & skf21("7","2","7","6","5","6","3","1") = "6"
    & skf21("7","2","7","6","5","6","4","1") = "6"
    & skf21("7","2","7","6","5","6","5","1") = "6"
    & skf21("7","2","7","6","5","6","6","1") = "6"
    & skf21("7","2","7","6","5","6","7","1") = "6"
    & skf21("7","2","7","6","5","7","1","1") = "6"
    & skf21("7","2","7","6","5","7","2","1") = "6"
    & skf21("7","2","7","6","5","7","3","1") = "6"
    & skf21("7","2","7","6","5","7","4","1") = "6"
    & skf21("7","2","7","6","5","7","5","1") = "6"
    & skf21("7","2","7","6","5","7","6","1") = "6"
    & skf21("7","2","7","6","5","7","7","1") = "6"
    & skf21("7","2","7","6","6","1","1","1") = "6"
    & skf21("7","2","7","6","6","1","2","1") = "6"
    & skf21("7","2","7","6","6","1","3","1") = "6"
    & skf21("7","2","7","6","6","1","4","1") = "6"
    & skf21("7","2","7","6","6","1","5","1") = "6"
    & skf21("7","2","7","6","6","1","6","1") = "6"
    & skf21("7","2","7","6","6","1","7","1") = "6"
    & skf21("7","2","7","6","6","2","1","1") = "6"
    & skf21("7","2","7","6","6","2","2","1") = "6"
    & skf21("7","2","7","6","6","2","3","1") = "6"
    & skf21("7","2","7","6","6","2","4","1") = "6"
    & skf21("7","2","7","6","6","2","5","1") = "6"
    & skf21("7","2","7","6","6","2","6","1") = "6"
    & skf21("7","2","7","6","6","2","7","1") = "6"
    & skf21("7","2","7","6","6","3","1","1") = "6"
    & skf21("7","2","7","6","6","3","2","1") = "6"
    & skf21("7","2","7","6","6","3","3","1") = "6"
    & skf21("7","2","7","6","6","3","4","1") = "6"
    & skf21("7","2","7","6","6","3","5","1") = "6"
    & skf21("7","2","7","6","6","3","6","1") = "6"
    & skf21("7","2","7","6","6","3","7","1") = "6"
    & skf21("7","2","7","6","6","4","1","1") = "6"
    & skf21("7","2","7","6","6","4","2","1") = "6"
    & skf21("7","2","7","6","6","4","3","1") = "6"
    & skf21("7","2","7","6","6","4","4","1") = "6"
    & skf21("7","2","7","6","6","4","5","1") = "6"
    & skf21("7","2","7","6","6","4","6","1") = "6"
    & skf21("7","2","7","6","6","4","7","1") = "6"
    & skf21("7","2","7","6","6","5","1","1") = "6"
    & skf21("7","2","7","6","6","5","2","1") = "6"
    & skf21("7","2","7","6","6","5","3","1") = "6"
    & skf21("7","2","7","6","6","5","4","1") = "6"
    & skf21("7","2","7","6","6","5","5","1") = "6"
    & skf21("7","2","7","6","6","5","6","1") = "6"
    & skf21("7","2","7","6","6","5","7","1") = "6"
    & skf21("7","2","7","6","6","6","1","1") = "6"
    & skf21("7","2","7","6","6","6","2","1") = "6"
    & skf21("7","2","7","6","6","6","3","1") = "6"
    & skf21("7","2","7","6","6","6","4","1") = "6"
    & skf21("7","2","7","6","6","6","5","1") = "6"
    & skf21("7","2","7","6","6","6","6","1") = "6"
    & skf21("7","2","7","6","6","6","7","1") = "6"
    & skf21("7","2","7","6","6","7","1","1") = "6"
    & skf21("7","2","7","6","6","7","2","1") = "6"
    & skf21("7","2","7","6","6","7","3","1") = "6"
    & skf21("7","2","7","6","6","7","4","1") = "6"
    & skf21("7","2","7","6","6","7","5","1") = "6"
    & skf21("7","2","7","6","6","7","6","1") = "6"
    & skf21("7","2","7","6","6","7","7","1") = "6"
    & skf21("7","2","7","6","7","1","1","1") = "6"
    & skf21("7","2","7","6","7","1","2","1") = "6"
    & skf21("7","2","7","6","7","1","3","1") = "6"
    & skf21("7","2","7","6","7","1","4","1") = "6"
    & skf21("7","2","7","6","7","1","5","1") = "6"
    & skf21("7","2","7","6","7","1","6","1") = "6"
    & skf21("7","2","7","6","7","1","7","1") = "6"
    & skf21("7","2","7","6","7","2","1","1") = "6"
    & skf21("7","2","7","6","7","2","2","1") = "6"
    & skf21("7","2","7","6","7","2","3","1") = "6"
    & skf21("7","2","7","6","7","2","4","1") = "6"
    & skf21("7","2","7","6","7","2","5","1") = "6"
    & skf21("7","2","7","6","7","2","6","1") = "6"
    & skf21("7","2","7","6","7","2","7","1") = "6"
    & skf21("7","2","7","6","7","3","1","1") = "6"
    & skf21("7","2","7","6","7","3","2","1") = "6"
    & skf21("7","2","7","6","7","3","3","1") = "6"
    & skf21("7","2","7","6","7","3","4","1") = "6"
    & skf21("7","2","7","6","7","3","5","1") = "6"
    & skf21("7","2","7","6","7","3","6","1") = "6"
    & skf21("7","2","7","6","7","3","7","1") = "6"
    & skf21("7","2","7","6","7","4","1","1") = "6"
    & skf21("7","2","7","6","7","4","2","1") = "6"
    & skf21("7","2","7","6","7","4","3","1") = "6"
    & skf21("7","2","7","6","7","4","4","1") = "6"
    & skf21("7","2","7","6","7","4","5","1") = "6"
    & skf21("7","2","7","6","7","4","6","1") = "6"
    & skf21("7","2","7","6","7","4","7","1") = "6"
    & skf21("7","2","7","6","7","5","1","1") = "6"
    & skf21("7","2","7","6","7","5","2","1") = "6"
    & skf21("7","2","7","6","7","5","3","1") = "6"
    & skf21("7","2","7","6","7","5","4","1") = "6"
    & skf21("7","2","7","6","7","5","5","1") = "6"
    & skf21("7","2","7","6","7","5","6","1") = "6"
    & skf21("7","2","7","6","7","5","7","1") = "6"
    & skf21("7","2","7","6","7","6","1","1") = "6"
    & skf21("7","2","7","6","7","6","2","1") = "6"
    & skf21("7","2","7","6","7","6","3","1") = "6"
    & skf21("7","2","7","6","7","6","4","1") = "6"
    & skf21("7","2","7","6","7","6","5","1") = "6"
    & skf21("7","2","7","6","7","6","6","1") = "6"
    & skf21("7","2","7","6","7","6","7","1") = "6"
    & skf21("7","2","7","6","7","7","1","1") = "6"
    & skf21("7","2","7","6","7","7","2","1") = "6"
    & skf21("7","2","7","6","7","7","3","1") = "6"
    & skf21("7","2","7","6","7","7","4","1") = "6"
    & skf21("7","2","7","6","7","7","5","1") = "6"
    & skf21("7","2","7","6","7","7","6","1") = "6"
    & skf21("7","2","7","6","7","7","7","1") = "6"
    & skf21("7","2","7","7","1","1","1","1") = "6"
    & skf21("7","2","7","7","1","1","2","1") = "6"
    & skf21("7","2","7","7","1","1","3","1") = "6"
    & skf21("7","2","7","7","1","1","4","1") = "6"
    & skf21("7","2","7","7","1","1","5","1") = "6"
    & skf21("7","2","7","7","1","1","6","1") = "6"
    & skf21("7","2","7","7","1","1","7","1") = "6"
    & skf21("7","2","7","7","1","2","1","1") = "6"
    & skf21("7","2","7","7","1","2","2","1") = "6"
    & skf21("7","2","7","7","1","2","3","1") = "6"
    & skf21("7","2","7","7","1","2","4","1") = "6"
    & skf21("7","2","7","7","1","2","5","1") = "6"
    & skf21("7","2","7","7","1","2","6","1") = "6"
    & skf21("7","2","7","7","1","2","7","1") = "6"
    & skf21("7","2","7","7","1","3","1","1") = "6"
    & skf21("7","2","7","7","1","3","2","1") = "6"
    & skf21("7","2","7","7","1","3","3","1") = "6"
    & skf21("7","2","7","7","1","3","4","1") = "6"
    & skf21("7","2","7","7","1","3","5","1") = "6"
    & skf21("7","2","7","7","1","3","6","1") = "6"
    & skf21("7","2","7","7","1","3","7","1") = "6"
    & skf21("7","2","7","7","1","4","1","1") = "6"
    & skf21("7","2","7","7","1","4","2","1") = "6"
    & skf21("7","2","7","7","1","4","3","1") = "6"
    & skf21("7","2","7","7","1","4","4","1") = "6"
    & skf21("7","2","7","7","1","4","5","1") = "6"
    & skf21("7","2","7","7","1","4","6","1") = "6"
    & skf21("7","2","7","7","1","4","7","1") = "6"
    & skf21("7","2","7","7","1","5","1","1") = "6"
    & skf21("7","2","7","7","1","5","2","1") = "6"
    & skf21("7","2","7","7","1","5","3","1") = "6"
    & skf21("7","2","7","7","1","5","4","1") = "6"
    & skf21("7","2","7","7","1","5","5","1") = "6"
    & skf21("7","2","7","7","1","5","6","1") = "6"
    & skf21("7","2","7","7","1","5","7","1") = "6"
    & skf21("7","2","7","7","1","6","1","1") = "6"
    & skf21("7","2","7","7","1","6","2","1") = "6"
    & skf21("7","2","7","7","1","6","3","1") = "6"
    & skf21("7","2","7","7","1","6","4","1") = "6"
    & skf21("7","2","7","7","1","6","5","1") = "6"
    & skf21("7","2","7","7","1","6","6","1") = "6"
    & skf21("7","2","7","7","1","6","7","1") = "6"
    & skf21("7","2","7","7","1","7","1","1") = "6"
    & skf21("7","2","7","7","1","7","2","1") = "6"
    & skf21("7","2","7","7","1","7","3","1") = "6"
    & skf21("7","2","7","7","1","7","4","1") = "6"
    & skf21("7","2","7","7","1","7","5","1") = "6"
    & skf21("7","2","7","7","1","7","6","1") = "6"
    & skf21("7","2","7","7","1","7","7","1") = "6"
    & skf21("7","2","7","7","2","1","1","1") = "6"
    & skf21("7","2","7","7","2","1","2","1") = "6"
    & skf21("7","2","7","7","2","1","3","1") = "6"
    & skf21("7","2","7","7","2","1","4","1") = "6"
    & skf21("7","2","7","7","2","1","5","1") = "6"
    & skf21("7","2","7","7","2","1","6","1") = "6"
    & skf21("7","2","7","7","2","1","7","1") = "6"
    & skf21("7","2","7","7","2","2","1","1") = "6"
    & skf21("7","2","7","7","2","2","2","1") = "6"
    & skf21("7","2","7","7","2","2","3","1") = "6"
    & skf21("7","2","7","7","2","2","4","1") = "6"
    & skf21("7","2","7","7","2","2","5","1") = "6"
    & skf21("7","2","7","7","2","2","6","1") = "6"
    & skf21("7","2","7","7","2","2","7","1") = "6"
    & skf21("7","2","7","7","2","3","1","1") = "6"
    & skf21("7","2","7","7","2","3","2","1") = "6"
    & skf21("7","2","7","7","2","3","3","1") = "6"
    & skf21("7","2","7","7","2","3","4","1") = "6"
    & skf21("7","2","7","7","2","3","5","1") = "6"
    & skf21("7","2","7","7","2","3","6","1") = "6"
    & skf21("7","2","7","7","2","3","7","1") = "6"
    & skf21("7","2","7","7","2","4","1","1") = "6"
    & skf21("7","2","7","7","2","4","2","1") = "6"
    & skf21("7","2","7","7","2","4","3","1") = "6"
    & skf21("7","2","7","7","2","4","4","1") = "6"
    & skf21("7","2","7","7","2","4","5","1") = "6"
    & skf21("7","2","7","7","2","4","6","1") = "6"
    & skf21("7","2","7","7","2","4","7","1") = "6"
    & skf21("7","2","7","7","2","5","1","1") = "6"
    & skf21("7","2","7","7","2","5","2","1") = "6"
    & skf21("7","2","7","7","2","5","3","1") = "6"
    & skf21("7","2","7","7","2","5","4","1") = "6"
    & skf21("7","2","7","7","2","5","5","1") = "6"
    & skf21("7","2","7","7","2","5","6","1") = "6"
    & skf21("7","2","7","7","2","5","7","1") = "6"
    & skf21("7","2","7","7","2","6","1","1") = "6"
    & skf21("7","2","7","7","2","6","2","1") = "6"
    & skf21("7","2","7","7","2","6","3","1") = "6"
    & skf21("7","2","7","7","2","6","4","1") = "6"
    & skf21("7","2","7","7","2","6","5","1") = "6"
    & skf21("7","2","7","7","2","6","6","1") = "6"
    & skf21("7","2","7","7","2","6","7","1") = "6"
    & skf21("7","2","7","7","2","7","1","1") = "6"
    & skf21("7","2","7","7","2","7","2","1") = "6"
    & skf21("7","2","7","7","2","7","3","1") = "6"
    & skf21("7","2","7","7","2","7","4","1") = "6"
    & skf21("7","2","7","7","2","7","5","1") = "6"
    & skf21("7","2","7","7","2","7","6","1") = "6"
    & skf21("7","2","7","7","2","7","7","1") = "6"
    & skf21("7","2","7","7","3","1","1","1") = "6"
    & skf21("7","2","7","7","3","1","2","1") = "6"
    & skf21("7","2","7","7","3","1","3","1") = "6"
    & skf21("7","2","7","7","3","1","4","1") = "6"
    & skf21("7","2","7","7","3","1","5","1") = "6"
    & skf21("7","2","7","7","3","1","6","1") = "6"
    & skf21("7","2","7","7","3","1","7","1") = "6"
    & skf21("7","2","7","7","3","2","1","1") = "6"
    & skf21("7","2","7","7","3","2","2","1") = "6"
    & skf21("7","2","7","7","3","2","3","1") = "6"
    & skf21("7","2","7","7","3","2","4","1") = "6"
    & skf21("7","2","7","7","3","2","5","1") = "6"
    & skf21("7","2","7","7","3","2","6","1") = "6"
    & skf21("7","2","7","7","3","2","7","1") = "6"
    & skf21("7","2","7","7","3","3","1","1") = "6"
    & skf21("7","2","7","7","3","3","2","1") = "6"
    & skf21("7","2","7","7","3","3","3","1") = "6"
    & skf21("7","2","7","7","3","3","4","1") = "6"
    & skf21("7","2","7","7","3","3","5","1") = "6"
    & skf21("7","2","7","7","3","3","6","1") = "6"
    & skf21("7","2","7","7","3","3","7","1") = "6"
    & skf21("7","2","7","7","3","4","1","1") = "6"
    & skf21("7","2","7","7","3","4","2","1") = "6"
    & skf21("7","2","7","7","3","4","3","1") = "6"
    & skf21("7","2","7","7","3","4","4","1") = "6"
    & skf21("7","2","7","7","3","4","5","1") = "6"
    & skf21("7","2","7","7","3","4","6","1") = "6"
    & skf21("7","2","7","7","3","4","7","1") = "6"
    & skf21("7","2","7","7","3","5","1","1") = "6"
    & skf21("7","2","7","7","3","5","2","1") = "6"
    & skf21("7","2","7","7","3","5","3","1") = "6"
    & skf21("7","2","7","7","3","5","4","1") = "6"
    & skf21("7","2","7","7","3","5","5","1") = "6"
    & skf21("7","2","7","7","3","5","6","1") = "6"
    & skf21("7","2","7","7","3","5","7","1") = "6"
    & skf21("7","2","7","7","3","6","1","1") = "6"
    & skf21("7","2","7","7","3","6","2","1") = "6"
    & skf21("7","2","7","7","3","6","3","1") = "6"
    & skf21("7","2","7","7","3","6","4","1") = "6"
    & skf21("7","2","7","7","3","6","5","1") = "6"
    & skf21("7","2","7","7","3","6","6","1") = "6"
    & skf21("7","2","7","7","3","6","7","1") = "6"
    & skf21("7","2","7","7","3","7","1","1") = "6"
    & skf21("7","2","7","7","3","7","2","1") = "6"
    & skf21("7","2","7","7","3","7","3","1") = "6"
    & skf21("7","2","7","7","3","7","4","1") = "6"
    & skf21("7","2","7","7","3","7","5","1") = "6"
    & skf21("7","2","7","7","3","7","6","1") = "6"
    & skf21("7","2","7","7","3","7","7","1") = "6"
    & skf21("7","2","7","7","4","1","1","1") = "6"
    & skf21("7","2","7","7","4","1","2","1") = "6"
    & skf21("7","2","7","7","4","1","3","1") = "6"
    & skf21("7","2","7","7","4","1","4","1") = "6"
    & skf21("7","2","7","7","4","1","5","1") = "6"
    & skf21("7","2","7","7","4","1","6","1") = "6"
    & skf21("7","2","7","7","4","1","7","1") = "6"
    & skf21("7","2","7","7","4","2","1","1") = "6"
    & skf21("7","2","7","7","4","2","2","1") = "6"
    & skf21("7","2","7","7","4","2","3","1") = "6"
    & skf21("7","2","7","7","4","2","4","1") = "6"
    & skf21("7","2","7","7","4","2","5","1") = "6"
    & skf21("7","2","7","7","4","2","6","1") = "6"
    & skf21("7","2","7","7","4","2","7","1") = "6"
    & skf21("7","2","7","7","4","3","1","1") = "6"
    & skf21("7","2","7","7","4","3","2","1") = "6"
    & skf21("7","2","7","7","4","3","3","1") = "6"
    & skf21("7","2","7","7","4","3","4","1") = "6"
    & skf21("7","2","7","7","4","3","5","1") = "6"
    & skf21("7","2","7","7","4","3","6","1") = "6"
    & skf21("7","2","7","7","4","3","7","1") = "6"
    & skf21("7","2","7","7","4","4","1","1") = "6"
    & skf21("7","2","7","7","4","4","2","1") = "6"
    & skf21("7","2","7","7","4","4","3","1") = "6"
    & skf21("7","2","7","7","4","4","4","1") = "6"
    & skf21("7","2","7","7","4","4","5","1") = "6"
    & skf21("7","2","7","7","4","4","6","1") = "6"
    & skf21("7","2","7","7","4","4","7","1") = "6"
    & skf21("7","2","7","7","4","5","1","1") = "6"
    & skf21("7","2","7","7","4","5","2","1") = "6"
    & skf21("7","2","7","7","4","5","3","1") = "6"
    & skf21("7","2","7","7","4","5","4","1") = "6"
    & skf21("7","2","7","7","4","5","5","1") = "6"
    & skf21("7","2","7","7","4","5","6","1") = "6"
    & skf21("7","2","7","7","4","5","7","1") = "6"
    & skf21("7","2","7","7","4","6","1","1") = "6"
    & skf21("7","2","7","7","4","6","2","1") = "6"
    & skf21("7","2","7","7","4","6","3","1") = "6"
    & skf21("7","2","7","7","4","6","4","1") = "6"
    & skf21("7","2","7","7","4","6","5","1") = "6"
    & skf21("7","2","7","7","4","6","6","1") = "6"
    & skf21("7","2","7","7","4","6","7","1") = "6"
    & skf21("7","2","7","7","4","7","1","1") = "6"
    & skf21("7","2","7","7","4","7","2","1") = "6"
    & skf21("7","2","7","7","4","7","3","1") = "6"
    & skf21("7","2","7","7","4","7","4","1") = "6"
    & skf21("7","2","7","7","4","7","5","1") = "6"
    & skf21("7","2","7","7","4","7","6","1") = "6"
    & skf21("7","2","7","7","4","7","7","1") = "6"
    & skf21("7","2","7","7","5","1","1","1") = "6"
    & skf21("7","2","7","7","5","1","2","1") = "6"
    & skf21("7","2","7","7","5","1","3","1") = "6"
    & skf21("7","2","7","7","5","1","4","1") = "6"
    & skf21("7","2","7","7","5","1","5","1") = "6"
    & skf21("7","2","7","7","5","1","6","1") = "6"
    & skf21("7","2","7","7","5","1","7","1") = "6"
    & skf21("7","2","7","7","5","2","1","1") = "6"
    & skf21("7","2","7","7","5","2","2","1") = "6"
    & skf21("7","2","7","7","5","2","3","1") = "6"
    & skf21("7","2","7","7","5","2","4","1") = "6"
    & skf21("7","2","7","7","5","2","5","1") = "6"
    & skf21("7","2","7","7","5","2","6","1") = "6"
    & skf21("7","2","7","7","5","2","7","1") = "6"
    & skf21("7","2","7","7","5","3","1","1") = "6"
    & skf21("7","2","7","7","5","3","2","1") = "6"
    & skf21("7","2","7","7","5","3","3","1") = "6"
    & skf21("7","2","7","7","5","3","4","1") = "6"
    & skf21("7","2","7","7","5","3","5","1") = "6"
    & skf21("7","2","7","7","5","3","6","1") = "6"
    & skf21("7","2","7","7","5","3","7","1") = "6"
    & skf21("7","2","7","7","5","4","1","1") = "6"
    & skf21("7","2","7","7","5","4","2","1") = "6"
    & skf21("7","2","7","7","5","4","3","1") = "6"
    & skf21("7","2","7","7","5","4","4","1") = "6"
    & skf21("7","2","7","7","5","4","5","1") = "6"
    & skf21("7","2","7","7","5","4","6","1") = "6"
    & skf21("7","2","7","7","5","4","7","1") = "6"
    & skf21("7","2","7","7","5","5","1","1") = "6"
    & skf21("7","2","7","7","5","5","2","1") = "6"
    & skf21("7","2","7","7","5","5","3","1") = "6"
    & skf21("7","2","7","7","5","5","4","1") = "6"
    & skf21("7","2","7","7","5","5","5","1") = "6"
    & skf21("7","2","7","7","5","5","6","1") = "6"
    & skf21("7","2","7","7","5","5","7","1") = "6"
    & skf21("7","2","7","7","5","6","1","1") = "6"
    & skf21("7","2","7","7","5","6","2","1") = "6"
    & skf21("7","2","7","7","5","6","3","1") = "6"
    & skf21("7","2","7","7","5","6","4","1") = "6"
    & skf21("7","2","7","7","5","6","5","1") = "6"
    & skf21("7","2","7","7","5","6","6","1") = "6"
    & skf21("7","2","7","7","5","6","7","1") = "6"
    & skf21("7","2","7","7","5","7","1","1") = "6"
    & skf21("7","2","7","7","5","7","2","1") = "6"
    & skf21("7","2","7","7","5","7","3","1") = "6"
    & skf21("7","2","7","7","5","7","4","1") = "6"
    & skf21("7","2","7","7","5","7","5","1") = "6"
    & skf21("7","2","7","7","5","7","6","1") = "6"
    & skf21("7","2","7","7","5","7","7","1") = "6"
    & skf21("7","2","7","7","6","1","1","1") = "6"
    & skf21("7","2","7","7","6","1","2","1") = "6"
    & skf21("7","2","7","7","6","1","3","1") = "6"
    & skf21("7","2","7","7","6","1","4","1") = "6"
    & skf21("7","2","7","7","6","1","5","1") = "6"
    & skf21("7","2","7","7","6","1","6","1") = "6"
    & skf21("7","2","7","7","6","1","7","1") = "6"
    & skf21("7","2","7","7","6","2","1","1") = "6"
    & skf21("7","2","7","7","6","2","2","1") = "6"
    & skf21("7","2","7","7","6","2","3","1") = "6"
    & skf21("7","2","7","7","6","2","4","1") = "6"
    & skf21("7","2","7","7","6","2","5","1") = "6"
    & skf21("7","2","7","7","6","2","6","1") = "6"
    & skf21("7","2","7","7","6","2","7","1") = "6"
    & skf21("7","2","7","7","6","3","1","1") = "6"
    & skf21("7","2","7","7","6","3","2","1") = "6"
    & skf21("7","2","7","7","6","3","3","1") = "6"
    & skf21("7","2","7","7","6","3","4","1") = "6"
    & skf21("7","2","7","7","6","3","5","1") = "6"
    & skf21("7","2","7","7","6","3","6","1") = "6"
    & skf21("7","2","7","7","6","3","7","1") = "6"
    & skf21("7","2","7","7","6","4","1","1") = "6"
    & skf21("7","2","7","7","6","4","2","1") = "6"
    & skf21("7","2","7","7","6","4","3","1") = "6"
    & skf21("7","2","7","7","6","4","4","1") = "6"
    & skf21("7","2","7","7","6","4","5","1") = "6"
    & skf21("7","2","7","7","6","4","6","1") = "6"
    & skf21("7","2","7","7","6","4","7","1") = "6"
    & skf21("7","2","7","7","6","5","1","1") = "6"
    & skf21("7","2","7","7","6","5","2","1") = "6"
    & skf21("7","2","7","7","6","5","3","1") = "6"
    & skf21("7","2","7","7","6","5","4","1") = "6"
    & skf21("7","2","7","7","6","5","5","1") = "6"
    & skf21("7","2","7","7","6","5","6","1") = "6"
    & skf21("7","2","7","7","6","5","7","1") = "6"
    & skf21("7","2","7","7","6","6","1","1") = "6"
    & skf21("7","2","7","7","6","6","2","1") = "6"
    & skf21("7","2","7","7","6","6","3","1") = "6"
    & skf21("7","2","7","7","6","6","4","1") = "6"
    & skf21("7","2","7","7","6","6","5","1") = "6"
    & skf21("7","2","7","7","6","6","6","1") = "6"
    & skf21("7","2","7","7","6","6","7","1") = "6"
    & skf21("7","2","7","7","6","7","1","1") = "6"
    & skf21("7","2","7","7","6","7","2","1") = "6"
    & skf21("7","2","7","7","6","7","3","1") = "6"
    & skf21("7","2","7","7","6","7","4","1") = "6"
    & skf21("7","2","7","7","6","7","5","1") = "6"
    & skf21("7","2","7","7","6","7","6","1") = "6"
    & skf21("7","2","7","7","6","7","7","1") = "6"
    & skf21("7","2","7","7","7","1","1","1") = "6"
    & skf21("7","2","7","7","7","1","2","1") = "6"
    & skf21("7","2","7","7","7","1","3","1") = "6"
    & skf21("7","2","7","7","7","1","4","1") = "6"
    & skf21("7","2","7","7","7","1","5","1") = "6"
    & skf21("7","2","7","7","7","1","6","1") = "6"
    & skf21("7","2","7","7","7","1","7","1") = "6"
    & skf21("7","2","7","7","7","2","1","1") = "6"
    & skf21("7","2","7","7","7","2","2","1") = "6"
    & skf21("7","2","7","7","7","2","3","1") = "6"
    & skf21("7","2","7","7","7","2","4","1") = "6"
    & skf21("7","2","7","7","7","2","5","1") = "6"
    & skf21("7","2","7","7","7","2","6","1") = "6"
    & skf21("7","2","7","7","7","2","7","1") = "6"
    & skf21("7","2","7","7","7","3","1","1") = "6"
    & skf21("7","2","7","7","7","3","2","1") = "6"
    & skf21("7","2","7","7","7","3","3","1") = "6"
    & skf21("7","2","7","7","7","3","4","1") = "6"
    & skf21("7","2","7","7","7","3","5","1") = "6"
    & skf21("7","2","7","7","7","3","6","1") = "6"
    & skf21("7","2","7","7","7","3","7","1") = "6"
    & skf21("7","2","7","7","7","4","1","1") = "6"
    & skf21("7","2","7","7","7","4","2","1") = "6"
    & skf21("7","2","7","7","7","4","3","1") = "6"
    & skf21("7","2","7","7","7","4","4","1") = "6"
    & skf21("7","2","7","7","7","4","5","1") = "6"
    & skf21("7","2","7","7","7","4","6","1") = "6"
    & skf21("7","2","7","7","7","4","7","1") = "6"
    & skf21("7","2","7","7","7","5","1","1") = "6"
    & skf21("7","2","7","7","7","5","2","1") = "6"
    & skf21("7","2","7","7","7","5","3","1") = "6"
    & skf21("7","2","7","7","7","5","4","1") = "6"
    & skf21("7","2","7","7","7","5","5","1") = "6"
    & skf21("7","2","7","7","7","5","6","1") = "6"
    & skf21("7","2","7","7","7","5","7","1") = "6"
    & skf21("7","2","7","7","7","6","1","1") = "6"
    & skf21("7","2","7","7","7","6","2","1") = "6"
    & skf21("7","2","7","7","7","6","3","1") = "6"
    & skf21("7","2","7","7","7","6","4","1") = "6"
    & skf21("7","2","7","7","7","6","5","1") = "6"
    & skf21("7","2","7","7","7","6","6","1") = "6"
    & skf21("7","2","7","7","7","6","7","1") = "6"
    & skf21("7","2","7","7","7","7","1","1") = "6"
    & skf21("7","2","7","7","7","7","2","1") = "6"
    & skf21("7","2","7","7","7","7","3","1") = "6"
    & skf21("7","2","7","7","7","7","4","1") = "6"
    & skf21("7","2","7","7","7","7","5","1") = "6"
    & skf21("7","2","7","7","7","7","6","1") = "6"
    & skf21("7","2","7","7","7","7","7","1") = "6"
    & skf21("7","3","1","1","1","1","1","1") = "6"
    & skf21("7","3","1","1","1","1","2","1") = "6"
    & skf21("7","3","1","1","1","1","3","1") = "6"
    & skf21("7","3","1","1","1","1","4","1") = "6"
    & skf21("7","3","1","1","1","1","5","1") = "6"
    & skf21("7","3","1","1","1","1","6","1") = "6"
    & skf21("7","3","1","1","1","1","7","1") = "6"
    & skf21("7","3","1","1","1","2","1","1") = "6"
    & skf21("7","3","1","1","1","2","2","1") = "6"
    & skf21("7","3","1","1","1","2","3","1") = "6"
    & skf21("7","3","1","1","1","2","4","1") = "6"
    & skf21("7","3","1","1","1","2","5","1") = "6"
    & skf21("7","3","1","1","1","2","6","1") = "6"
    & skf21("7","3","1","1","1","2","7","1") = "6"
    & skf21("7","3","1","1","1","3","1","1") = "6"
    & skf21("7","3","1","1","1","3","2","1") = "6"
    & skf21("7","3","1","1","1","3","3","1") = "6"
    & skf21("7","3","1","1","1","3","4","1") = "6"
    & skf21("7","3","1","1","1","3","5","1") = "6"
    & skf21("7","3","1","1","1","3","6","1") = "6"
    & skf21("7","3","1","1","1","3","7","1") = "6"
    & skf21("7","3","1","1","1","4","1","1") = "6"
    & skf21("7","3","1","1","1","4","2","1") = "6"
    & skf21("7","3","1","1","1","4","3","1") = "6"
    & skf21("7","3","1","1","1","4","4","1") = "6"
    & skf21("7","3","1","1","1","4","5","1") = "6"
    & skf21("7","3","1","1","1","4","6","1") = "6"
    & skf21("7","3","1","1","1","4","7","1") = "6"
    & skf21("7","3","1","1","1","5","1","1") = "6"
    & skf21("7","3","1","1","1","5","2","1") = "6"
    & skf21("7","3","1","1","1","5","3","1") = "6"
    & skf21("7","3","1","1","1","5","4","1") = "6"
    & skf21("7","3","1","1","1","5","5","1") = "6"
    & skf21("7","3","1","1","1","5","6","1") = "6"
    & skf21("7","3","1","1","1","5","7","1") = "6"
    & skf21("7","3","1","1","1","6","1","1") = "6"
    & skf21("7","3","1","1","1","6","2","1") = "6"
    & skf21("7","3","1","1","1","6","3","1") = "6"
    & skf21("7","3","1","1","1","6","4","1") = "6"
    & skf21("7","3","1","1","1","6","5","1") = "6"
    & skf21("7","3","1","1","1","6","6","1") = "6"
    & skf21("7","3","1","1","1","6","7","1") = "6"
    & skf21("7","3","1","1","1","7","1","1") = "6"
    & skf21("7","3","1","1","1","7","2","1") = "6"
    & skf21("7","3","1","1","1","7","3","1") = "6"
    & skf21("7","3","1","1","1","7","4","1") = "6"
    & skf21("7","3","1","1","1","7","5","1") = "6"
    & skf21("7","3","1","1","1","7","6","1") = "6"
    & skf21("7","3","1","1","1","7","7","1") = "6"
    & skf21("7","3","1","1","2","1","1","1") = "6"
    & skf21("7","3","1","1","2","1","2","1") = "6"
    & skf21("7","3","1","1","2","1","3","1") = "6"
    & skf21("7","3","1","1","2","1","4","1") = "6"
    & skf21("7","3","1","1","2","1","5","1") = "6"
    & skf21("7","3","1","1","2","1","6","1") = "6"
    & skf21("7","3","1","1","2","1","7","1") = "6"
    & skf21("7","3","1","1","2","2","1","1") = "6"
    & skf21("7","3","1","1","2","2","2","1") = "6"
    & skf21("7","3","1","1","2","2","3","1") = "6"
    & skf21("7","3","1","1","2","2","4","1") = "6"
    & skf21("7","3","1","1","2","2","5","1") = "6"
    & skf21("7","3","1","1","2","2","6","1") = "6"
    & skf21("7","3","1","1","2","2","7","1") = "6"
    & skf21("7","3","1","1","2","3","1","1") = "6"
    & skf21("7","3","1","1","2","3","2","1") = "6"
    & skf21("7","3","1","1","2","3","3","1") = "6"
    & skf21("7","3","1","1","2","3","4","1") = "6"
    & skf21("7","3","1","1","2","3","5","1") = "6"
    & skf21("7","3","1","1","2","3","6","1") = "6"
    & skf21("7","3","1","1","2","3","7","1") = "6"
    & skf21("7","3","1","1","2","4","1","1") = "6"
    & skf21("7","3","1","1","2","4","2","1") = "6"
    & skf21("7","3","1","1","2","4","3","1") = "6"
    & skf21("7","3","1","1","2","4","4","1") = "6"
    & skf21("7","3","1","1","2","4","5","1") = "6"
    & skf21("7","3","1","1","2","4","6","1") = "6"
    & skf21("7","3","1","1","2","4","7","1") = "6"
    & skf21("7","3","1","1","2","5","1","1") = "6"
    & skf21("7","3","1","1","2","5","2","1") = "6"
    & skf21("7","3","1","1","2","5","3","1") = "6"
    & skf21("7","3","1","1","2","5","4","1") = "6"
    & skf21("7","3","1","1","2","5","5","1") = "6"
    & skf21("7","3","1","1","2","5","6","1") = "6"
    & skf21("7","3","1","1","2","5","7","1") = "6"
    & skf21("7","3","1","1","2","6","1","1") = "6"
    & skf21("7","3","1","1","2","6","2","1") = "6"
    & skf21("7","3","1","1","2","6","3","1") = "6"
    & skf21("7","3","1","1","2","6","4","1") = "6"
    & skf21("7","3","1","1","2","6","5","1") = "6"
    & skf21("7","3","1","1","2","6","6","1") = "6"
    & skf21("7","3","1","1","2","6","7","1") = "6"
    & skf21("7","3","1","1","2","7","1","1") = "6"
    & skf21("7","3","1","1","2","7","2","1") = "6"
    & skf21("7","3","1","1","2","7","3","1") = "6"
    & skf21("7","3","1","1","2","7","4","1") = "6"
    & skf21("7","3","1","1","2","7","5","1") = "6"
    & skf21("7","3","1","1","2","7","6","1") = "6"
    & skf21("7","3","1","1","2","7","7","1") = "6"
    & skf21("7","3","1","1","3","1","1","1") = "6"
    & skf21("7","3","1","1","3","1","2","1") = "6"
    & skf21("7","3","1","1","3","1","3","1") = "6"
    & skf21("7","3","1","1","3","1","4","1") = "6"
    & skf21("7","3","1","1","3","1","5","1") = "6"
    & skf21("7","3","1","1","3","1","6","1") = "6"
    & skf21("7","3","1","1","3","1","7","1") = "6"
    & skf21("7","3","1","1","3","2","1","1") = "6"
    & skf21("7","3","1","1","3","2","2","1") = "6"
    & skf21("7","3","1","1","3","2","3","1") = "6"
    & skf21("7","3","1","1","3","2","4","1") = "6"
    & skf21("7","3","1","1","3","2","5","1") = "6"
    & skf21("7","3","1","1","3","2","6","1") = "6"
    & skf21("7","3","1","1","3","2","7","1") = "6"
    & skf21("7","3","1","1","3","3","1","1") = "6"
    & skf21("7","3","1","1","3","3","2","1") = "6"
    & skf21("7","3","1","1","3","3","3","1") = "6"
    & skf21("7","3","1","1","3","3","4","1") = "6"
    & skf21("7","3","1","1","3","3","5","1") = "6"
    & skf21("7","3","1","1","3","3","6","1") = "6"
    & skf21("7","3","1","1","3","3","7","1") = "6"
    & skf21("7","3","1","1","3","4","1","1") = "6"
    & skf21("7","3","1","1","3","4","2","1") = "6"
    & skf21("7","3","1","1","3","4","3","1") = "6"
    & skf21("7","3","1","1","3","4","4","1") = "6"
    & skf21("7","3","1","1","3","4","5","1") = "6"
    & skf21("7","3","1","1","3","4","6","1") = "6"
    & skf21("7","3","1","1","3","4","7","1") = "6"
    & skf21("7","3","1","1","3","5","1","1") = "6"
    & skf21("7","3","1","1","3","5","2","1") = "6"
    & skf21("7","3","1","1","3","5","3","1") = "6"
    & skf21("7","3","1","1","3","5","4","1") = "6"
    & skf21("7","3","1","1","3","5","5","1") = "6"
    & skf21("7","3","1","1","3","5","6","1") = "6"
    & skf21("7","3","1","1","3","5","7","1") = "6"
    & skf21("7","3","1","1","3","6","1","1") = "6"
    & skf21("7","3","1","1","3","6","2","1") = "6"
    & skf21("7","3","1","1","3","6","3","1") = "6"
    & skf21("7","3","1","1","3","6","4","1") = "6"
    & skf21("7","3","1","1","3","6","5","1") = "6"
    & skf21("7","3","1","1","3","6","6","1") = "6"
    & skf21("7","3","1","1","3","6","7","1") = "6"
    & skf21("7","3","1","1","3","7","1","1") = "6"
    & skf21("7","3","1","1","3","7","2","1") = "6"
    & skf21("7","3","1","1","3","7","3","1") = "6"
    & skf21("7","3","1","1","3","7","4","1") = "6"
    & skf21("7","3","1","1","3","7","5","1") = "6"
    & skf21("7","3","1","1","3","7","6","1") = "6"
    & skf21("7","3","1","1","3","7","7","1") = "6"
    & skf21("7","3","1","1","4","1","1","1") = "6"
    & skf21("7","3","1","1","4","1","2","1") = "6"
    & skf21("7","3","1","1","4","1","3","1") = "6"
    & skf21("7","3","1","1","4","1","4","1") = "6"
    & skf21("7","3","1","1","4","1","5","1") = "6"
    & skf21("7","3","1","1","4","1","6","1") = "6"
    & skf21("7","3","1","1","4","1","7","1") = "6"
    & skf21("7","3","1","1","4","2","1","1") = "6"
    & skf21("7","3","1","1","4","2","2","1") = "6"
    & skf21("7","3","1","1","4","2","3","1") = "6"
    & skf21("7","3","1","1","4","2","4","1") = "6"
    & skf21("7","3","1","1","4","2","5","1") = "6"
    & skf21("7","3","1","1","4","2","6","1") = "6"
    & skf21("7","3","1","1","4","2","7","1") = "6"
    & skf21("7","3","1","1","4","3","1","1") = "6"
    & skf21("7","3","1","1","4","3","2","1") = "6"
    & skf21("7","3","1","1","4","3","3","1") = "6"
    & skf21("7","3","1","1","4","3","4","1") = "6"
    & skf21("7","3","1","1","4","3","5","1") = "6"
    & skf21("7","3","1","1","4","3","6","1") = "6"
    & skf21("7","3","1","1","4","3","7","1") = "6"
    & skf21("7","3","1","1","4","4","1","1") = "6"
    & skf21("7","3","1","1","4","4","2","1") = "6"
    & skf21("7","3","1","1","4","4","3","1") = "6"
    & skf21("7","3","1","1","4","4","4","1") = "6"
    & skf21("7","3","1","1","4","4","5","1") = "6"
    & skf21("7","3","1","1","4","4","6","1") = "6"
    & skf21("7","3","1","1","4","4","7","1") = "6"
    & skf21("7","3","1","1","4","5","1","1") = "6"
    & skf21("7","3","1","1","4","5","2","1") = "6"
    & skf21("7","3","1","1","4","5","3","1") = "6"
    & skf21("7","3","1","1","4","5","4","1") = "6"
    & skf21("7","3","1","1","4","5","5","1") = "6"
    & skf21("7","3","1","1","4","5","6","1") = "6"
    & skf21("7","3","1","1","4","5","7","1") = "6"
    & skf21("7","3","1","1","4","6","1","1") = "6"
    & skf21("7","3","1","1","4","6","2","1") = "6"
    & skf21("7","3","1","1","4","6","3","1") = "6"
    & skf21("7","3","1","1","4","6","4","1") = "6"
    & skf21("7","3","1","1","4","6","5","1") = "6"
    & skf21("7","3","1","1","4","6","6","1") = "6"
    & skf21("7","3","1","1","4","6","7","1") = "6"
    & skf21("7","3","1","1","4","7","1","1") = "6"
    & skf21("7","3","1","1","4","7","2","1") = "6"
    & skf21("7","3","1","1","4","7","3","1") = "6"
    & skf21("7","3","1","1","4","7","4","1") = "6"
    & skf21("7","3","1","1","4","7","5","1") = "6"
    & skf21("7","3","1","1","4","7","6","1") = "6"
    & skf21("7","3","1","1","4","7","7","1") = "6"
    & skf21("7","3","1","1","5","1","1","1") = "6"
    & skf21("7","3","1","1","5","1","2","1") = "6"
    & skf21("7","3","1","1","5","1","3","1") = "6"
    & skf21("7","3","1","1","5","1","4","1") = "6"
    & skf21("7","3","1","1","5","1","5","1") = "6"
    & skf21("7","3","1","1","5","1","6","1") = "6"
    & skf21("7","3","1","1","5","1","7","1") = "6"
    & skf21("7","3","1","1","5","2","1","1") = "6"
    & skf21("7","3","1","1","5","2","2","1") = "6"
    & skf21("7","3","1","1","5","2","3","1") = "6"
    & skf21("7","3","1","1","5","2","4","1") = "6"
    & skf21("7","3","1","1","5","2","5","1") = "6"
    & skf21("7","3","1","1","5","2","6","1") = "6"
    & skf21("7","3","1","1","5","2","7","1") = "6"
    & skf21("7","3","1","1","5","3","1","1") = "6"
    & skf21("7","3","1","1","5","3","2","1") = "6"
    & skf21("7","3","1","1","5","3","3","1") = "6"
    & skf21("7","3","1","1","5","3","4","1") = "6"
    & skf21("7","3","1","1","5","3","5","1") = "6"
    & skf21("7","3","1","1","5","3","6","1") = "6"
    & skf21("7","3","1","1","5","3","7","1") = "6"
    & skf21("7","3","1","1","5","4","1","1") = "6"
    & skf21("7","3","1","1","5","4","2","1") = "6"
    & skf21("7","3","1","1","5","4","3","1") = "6"
    & skf21("7","3","1","1","5","4","4","1") = "6"
    & skf21("7","3","1","1","5","4","5","1") = "6"
    & skf21("7","3","1","1","5","4","6","1") = "6"
    & skf21("7","3","1","1","5","4","7","1") = "6"
    & skf21("7","3","1","1","5","5","1","1") = "6"
    & skf21("7","3","1","1","5","5","2","1") = "6"
    & skf21("7","3","1","1","5","5","3","1") = "6"
    & skf21("7","3","1","1","5","5","4","1") = "6"
    & skf21("7","3","1","1","5","5","5","1") = "6"
    & skf21("7","3","1","1","5","5","6","1") = "6"
    & skf21("7","3","1","1","5","5","7","1") = "6"
    & skf21("7","3","1","1","5","6","1","1") = "6"
    & skf21("7","3","1","1","5","6","2","1") = "6"
    & skf21("7","3","1","1","5","6","3","1") = "6"
    & skf21("7","3","1","1","5","6","4","1") = "6"
    & skf21("7","3","1","1","5","6","5","1") = "6"
    & skf21("7","3","1","1","5","6","6","1") = "6"
    & skf21("7","3","1","1","5","6","7","1") = "6"
    & skf21("7","3","1","1","5","7","1","1") = "6"
    & skf21("7","3","1","1","5","7","2","1") = "6"
    & skf21("7","3","1","1","5","7","3","1") = "6"
    & skf21("7","3","1","1","5","7","4","1") = "6"
    & skf21("7","3","1","1","5","7","5","1") = "6"
    & skf21("7","3","1","1","5","7","6","1") = "6"
    & skf21("7","3","1","1","5","7","7","1") = "6"
    & skf21("7","3","1","1","6","1","1","1") = "6"
    & skf21("7","3","1","1","6","1","2","1") = "6"
    & skf21("7","3","1","1","6","1","3","1") = "6"
    & skf21("7","3","1","1","6","1","4","1") = "6"
    & skf21("7","3","1","1","6","1","5","1") = "6"
    & skf21("7","3","1","1","6","1","6","1") = "6"
    & skf21("7","3","1","1","6","1","7","1") = "6"
    & skf21("7","3","1","1","6","2","1","1") = "6"
    & skf21("7","3","1","1","6","2","2","1") = "6"
    & skf21("7","3","1","1","6","2","3","1") = "6"
    & skf21("7","3","1","1","6","2","4","1") = "6"
    & skf21("7","3","1","1","6","2","5","1") = "6"
    & skf21("7","3","1","1","6","2","6","1") = "6"
    & skf21("7","3","1","1","6","2","7","1") = "6"
    & skf21("7","3","1","1","6","3","1","1") = "6"
    & skf21("7","3","1","1","6","3","2","1") = "6"
    & skf21("7","3","1","1","6","3","3","1") = "6"
    & skf21("7","3","1","1","6","3","4","1") = "6"
    & skf21("7","3","1","1","6","3","5","1") = "6"
    & skf21("7","3","1","1","6","3","6","1") = "6"
    & skf21("7","3","1","1","6","3","7","1") = "6"
    & skf21("7","3","1","1","6","4","1","1") = "6"
    & skf21("7","3","1","1","6","4","2","1") = "6"
    & skf21("7","3","1","1","6","4","3","1") = "6"
    & skf21("7","3","1","1","6","4","4","1") = "6"
    & skf21("7","3","1","1","6","4","5","1") = "6"
    & skf21("7","3","1","1","6","4","6","1") = "6"
    & skf21("7","3","1","1","6","4","7","1") = "6"
    & skf21("7","3","1","1","6","5","1","1") = "6"
    & skf21("7","3","1","1","6","5","2","1") = "6"
    & skf21("7","3","1","1","6","5","3","1") = "6"
    & skf21("7","3","1","1","6","5","4","1") = "6"
    & skf21("7","3","1","1","6","5","5","1") = "6"
    & skf21("7","3","1","1","6","5","6","1") = "6"
    & skf21("7","3","1","1","6","5","7","1") = "6"
    & skf21("7","3","1","1","6","6","1","1") = "6"
    & skf21("7","3","1","1","6","6","2","1") = "6"
    & skf21("7","3","1","1","6","6","3","1") = "6"
    & skf21("7","3","1","1","6","6","4","1") = "6"
    & skf21("7","3","1","1","6","6","5","1") = "6"
    & skf21("7","3","1","1","6","6","6","1") = "6"
    & skf21("7","3","1","1","6","6","7","1") = "6"
    & skf21("7","3","1","1","6","7","1","1") = "6"
    & skf21("7","3","1","1","6","7","2","1") = "6"
    & skf21("7","3","1","1","6","7","3","1") = "6"
    & skf21("7","3","1","1","6","7","4","1") = "6"
    & skf21("7","3","1","1","6","7","5","1") = "6"
    & skf21("7","3","1","1","6","7","6","1") = "6"
    & skf21("7","3","1","1","6","7","7","1") = "6"
    & skf21("7","3","1","1","7","1","1","1") = "6"
    & skf21("7","3","1","1","7","1","2","1") = "6"
    & skf21("7","3","1","1","7","1","3","1") = "6"
    & skf21("7","3","1","1","7","1","4","1") = "6"
    & skf21("7","3","1","1","7","1","5","1") = "6"
    & skf21("7","3","1","1","7","1","6","1") = "6"
    & skf21("7","3","1","1","7","1","7","1") = "6"
    & skf21("7","3","1","1","7","2","1","1") = "6"
    & skf21("7","3","1","1","7","2","2","1") = "6"
    & skf21("7","3","1","1","7","2","3","1") = "6"
    & skf21("7","3","1","1","7","2","4","1") = "6"
    & skf21("7","3","1","1","7","2","5","1") = "6"
    & skf21("7","3","1","1","7","2","6","1") = "6"
    & skf21("7","3","1","1","7","2","7","1") = "6"
    & skf21("7","3","1","1","7","3","1","1") = "6"
    & skf21("7","3","1","1","7","3","2","1") = "6"
    & skf21("7","3","1","1","7","3","3","1") = "6"
    & skf21("7","3","1","1","7","3","4","1") = "6"
    & skf21("7","3","1","1","7","3","5","1") = "6"
    & skf21("7","3","1","1","7","3","6","1") = "6"
    & skf21("7","3","1","1","7","3","7","1") = "6"
    & skf21("7","3","1","1","7","4","1","1") = "6"
    & skf21("7","3","1","1","7","4","2","1") = "6"
    & skf21("7","3","1","1","7","4","3","1") = "6"
    & skf21("7","3","1","1","7","4","4","1") = "6"
    & skf21("7","3","1","1","7","4","5","1") = "6"
    & skf21("7","3","1","1","7","4","6","1") = "6"
    & skf21("7","3","1","1","7","4","7","1") = "6"
    & skf21("7","3","1","1","7","5","1","1") = "6"
    & skf21("7","3","1","1","7","5","2","1") = "6"
    & skf21("7","3","1","1","7","5","3","1") = "6"
    & skf21("7","3","1","1","7","5","4","1") = "6"
    & skf21("7","3","1","1","7","5","5","1") = "6"
    & skf21("7","3","1","1","7","5","6","1") = "6"
    & skf21("7","3","1","1","7","5","7","1") = "6"
    & skf21("7","3","1","1","7","6","1","1") = "6"
    & skf21("7","3","1","1","7","6","2","1") = "6"
    & skf21("7","3","1","1","7","6","3","1") = "6"
    & skf21("7","3","1","1","7","6","4","1") = "6"
    & skf21("7","3","1","1","7","6","5","1") = "6"
    & skf21("7","3","1","1","7","6","6","1") = "6"
    & skf21("7","3","1","1","7","6","7","1") = "6"
    & skf21("7","3","1","1","7","7","1","1") = "6"
    & skf21("7","3","1","1","7","7","2","1") = "6"
    & skf21("7","3","1","1","7","7","3","1") = "6"
    & skf21("7","3","1","1","7","7","4","1") = "6"
    & skf21("7","3","1","1","7","7","5","1") = "6"
    & skf21("7","3","1","1","7","7","6","1") = "6"
    & skf21("7","3","1","1","7","7","7","1") = "6"
    & skf21("7","3","1","2","1","1","1","1") = "6"
    & skf21("7","3","1","2","1","1","2","1") = "6"
    & skf21("7","3","1","2","1","1","3","1") = "6"
    & skf21("7","3","1","2","1","1","4","1") = "6"
    & skf21("7","3","1","2","1","1","5","1") = "6"
    & skf21("7","3","1","2","1","1","6","1") = "6"
    & skf21("7","3","1","2","1","1","7","1") = "6"
    & skf21("7","3","1","2","1","2","1","1") = "6"
    & skf21("7","3","1","2","1","2","2","1") = "6"
    & skf21("7","3","1","2","1","2","3","1") = "6"
    & skf21("7","3","1","2","1","2","4","1") = "6"
    & skf21("7","3","1","2","1","2","5","1") = "6"
    & skf21("7","3","1","2","1","2","6","1") = "6"
    & skf21("7","3","1","2","1","2","7","1") = "6"
    & skf21("7","3","1","2","1","3","1","1") = "6"
    & skf21("7","3","1","2","1","3","2","1") = "6"
    & skf21("7","3","1","2","1","3","3","1") = "6"
    & skf21("7","3","1","2","1","3","4","1") = "6"
    & skf21("7","3","1","2","1","3","5","1") = "6"
    & skf21("7","3","1","2","1","3","6","1") = "6"
    & skf21("7","3","1","2","1","3","7","1") = "6"
    & skf21("7","3","1","2","1","4","1","1") = "6"
    & skf21("7","3","1","2","1","4","2","1") = "6"
    & skf21("7","3","1","2","1","4","3","1") = "6"
    & skf21("7","3","1","2","1","4","4","1") = "6"
    & skf21("7","3","1","2","1","4","5","1") = "6"
    & skf21("7","3","1","2","1","4","6","1") = "6"
    & skf21("7","3","1","2","1","4","7","1") = "6"
    & skf21("7","3","1","2","1","5","1","1") = "6"
    & skf21("7","3","1","2","1","5","2","1") = "6"
    & skf21("7","3","1","2","1","5","3","1") = "6"
    & skf21("7","3","1","2","1","5","4","1") = "6"
    & skf21("7","3","1","2","1","5","5","1") = "6"
    & skf21("7","3","1","2","1","5","6","1") = "6"
    & skf21("7","3","1","2","1","5","7","1") = "6"
    & skf21("7","3","1","2","1","6","1","1") = "6"
    & skf21("7","3","1","2","1","6","2","1") = "6"
    & skf21("7","3","1","2","1","6","3","1") = "6"
    & skf21("7","3","1","2","1","6","4","1") = "6"
    & skf21("7","3","1","2","1","6","5","1") = "6"
    & skf21("7","3","1","2","1","6","6","1") = "6"
    & skf21("7","3","1","2","1","6","7","1") = "6"
    & skf21("7","3","1","2","1","7","1","1") = "6"
    & skf21("7","3","1","2","1","7","2","1") = "6"
    & skf21("7","3","1","2","1","7","3","1") = "6"
    & skf21("7","3","1","2","1","7","4","1") = "6"
    & skf21("7","3","1","2","1","7","5","1") = "6"
    & skf21("7","3","1","2","1","7","6","1") = "6"
    & skf21("7","3","1","2","1","7","7","1") = "6"
    & skf21("7","3","1","2","2","1","1","1") = "6"
    & skf21("7","3","1","2","2","1","2","1") = "6"
    & skf21("7","3","1","2","2","1","3","1") = "6"
    & skf21("7","3","1","2","2","1","4","1") = "6"
    & skf21("7","3","1","2","2","1","5","1") = "6"
    & skf21("7","3","1","2","2","1","6","1") = "6"
    & skf21("7","3","1","2","2","1","7","1") = "6"
    & skf21("7","3","1","2","2","2","1","1") = "6"
    & skf21("7","3","1","2","2","2","2","1") = "6"
    & skf21("7","3","1","2","2","2","3","1") = "6"
    & skf21("7","3","1","2","2","2","4","1") = "6"
    & skf21("7","3","1","2","2","2","5","1") = "6"
    & skf21("7","3","1","2","2","2","6","1") = "6"
    & skf21("7","3","1","2","2","2","7","1") = "6"
    & skf21("7","3","1","2","2","3","1","1") = "6"
    & skf21("7","3","1","2","2","3","2","1") = "6"
    & skf21("7","3","1","2","2","3","3","1") = "6"
    & skf21("7","3","1","2","2","3","4","1") = "6"
    & skf21("7","3","1","2","2","3","5","1") = "6"
    & skf21("7","3","1","2","2","3","6","1") = "6"
    & skf21("7","3","1","2","2","3","7","1") = "6"
    & skf21("7","3","1","2","2","4","1","1") = "6"
    & skf21("7","3","1","2","2","4","2","1") = "6"
    & skf21("7","3","1","2","2","4","3","1") = "6"
    & skf21("7","3","1","2","2","4","4","1") = "6"
    & skf21("7","3","1","2","2","4","5","1") = "6"
    & skf21("7","3","1","2","2","4","6","1") = "6"
    & skf21("7","3","1","2","2","4","7","1") = "6"
    & skf21("7","3","1","2","2","5","1","1") = "6"
    & skf21("7","3","1","2","2","5","2","1") = "6"
    & skf21("7","3","1","2","2","5","3","1") = "6"
    & skf21("7","3","1","2","2","5","4","1") = "6"
    & skf21("7","3","1","2","2","5","5","1") = "6"
    & skf21("7","3","1","2","2","5","6","1") = "6"
    & skf21("7","3","1","2","2","5","7","1") = "6"
    & skf21("7","3","1","2","2","6","1","1") = "6"
    & skf21("7","3","1","2","2","6","2","1") = "6"
    & skf21("7","3","1","2","2","6","3","1") = "6"
    & skf21("7","3","1","2","2","6","4","1") = "6"
    & skf21("7","3","1","2","2","6","5","1") = "6"
    & skf21("7","3","1","2","2","6","6","1") = "6"
    & skf21("7","3","1","2","2","6","7","1") = "6"
    & skf21("7","3","1","2","2","7","1","1") = "6"
    & skf21("7","3","1","2","2","7","2","1") = "6"
    & skf21("7","3","1","2","2","7","3","1") = "6"
    & skf21("7","3","1","2","2","7","4","1") = "6"
    & skf21("7","3","1","2","2","7","5","1") = "6"
    & skf21("7","3","1","2","2","7","6","1") = "6"
    & skf21("7","3","1","2","2","7","7","1") = "6"
    & skf21("7","3","1","2","3","1","1","1") = "6"
    & skf21("7","3","1","2","3","1","2","1") = "6"
    & skf21("7","3","1","2","3","1","3","1") = "6"
    & skf21("7","3","1","2","3","1","4","1") = "6"
    & skf21("7","3","1","2","3","1","5","1") = "6"
    & skf21("7","3","1","2","3","1","6","1") = "6"
    & skf21("7","3","1","2","3","1","7","1") = "6"
    & skf21("7","3","1","2","3","2","1","1") = "6"
    & skf21("7","3","1","2","3","2","2","1") = "6"
    & skf21("7","3","1","2","3","2","3","1") = "6"
    & skf21("7","3","1","2","3","2","4","1") = "6"
    & skf21("7","3","1","2","3","2","5","1") = "6"
    & skf21("7","3","1","2","3","2","6","1") = "6"
    & skf21("7","3","1","2","3","2","7","1") = "6"
    & skf21("7","3","1","2","3","3","1","1") = "6"
    & skf21("7","3","1","2","3","3","2","1") = "6"
    & skf21("7","3","1","2","3","3","3","1") = "6"
    & skf21("7","3","1","2","3","3","4","1") = "6"
    & skf21("7","3","1","2","3","3","5","1") = "6"
    & skf21("7","3","1","2","3","3","6","1") = "6"
    & skf21("7","3","1","2","3","3","7","1") = "6"
    & skf21("7","3","1","2","3","4","1","1") = "6"
    & skf21("7","3","1","2","3","4","2","1") = "6"
    & skf21("7","3","1","2","3","4","3","1") = "6"
    & skf21("7","3","1","2","3","4","4","1") = "6"
    & skf21("7","3","1","2","3","4","5","1") = "6"
    & skf21("7","3","1","2","3","4","6","1") = "6"
    & skf21("7","3","1","2","3","4","7","1") = "6"
    & skf21("7","3","1","2","3","5","1","1") = "6"
    & skf21("7","3","1","2","3","5","2","1") = "6"
    & skf21("7","3","1","2","3","5","3","1") = "6"
    & skf21("7","3","1","2","3","5","4","1") = "6"
    & skf21("7","3","1","2","3","5","5","1") = "6"
    & skf21("7","3","1","2","3","5","6","1") = "6"
    & skf21("7","3","1","2","3","5","7","1") = "6"
    & skf21("7","3","1","2","3","6","1","1") = "6"
    & skf21("7","3","1","2","3","6","2","1") = "6"
    & skf21("7","3","1","2","3","6","3","1") = "6"
    & skf21("7","3","1","2","3","6","4","1") = "6"
    & skf21("7","3","1","2","3","6","5","1") = "6"
    & skf21("7","3","1","2","3","6","6","1") = "6"
    & skf21("7","3","1","2","3","6","7","1") = "6"
    & skf21("7","3","1","2","3","7","1","1") = "6"
    & skf21("7","3","1","2","3","7","2","1") = "6"
    & skf21("7","3","1","2","3","7","3","1") = "6"
    & skf21("7","3","1","2","3","7","4","1") = "6"
    & skf21("7","3","1","2","3","7","5","1") = "6"
    & skf21("7","3","1","2","3","7","6","1") = "6"
    & skf21("7","3","1","2","3","7","7","1") = "6"
    & skf21("7","3","1","2","4","1","1","1") = "6"
    & skf21("7","3","1","2","4","1","2","1") = "6"
    & skf21("7","3","1","2","4","1","3","1") = "6"
    & skf21("7","3","1","2","4","1","4","1") = "6"
    & skf21("7","3","1","2","4","1","5","1") = "6"
    & skf21("7","3","1","2","4","1","6","1") = "6"
    & skf21("7","3","1","2","4","1","7","1") = "6"
    & skf21("7","3","1","2","4","2","1","1") = "6"
    & skf21("7","3","1","2","4","2","2","1") = "6"
    & skf21("7","3","1","2","4","2","3","1") = "6"
    & skf21("7","3","1","2","4","2","4","1") = "6"
    & skf21("7","3","1","2","4","2","5","1") = "6"
    & skf21("7","3","1","2","4","2","6","1") = "6"
    & skf21("7","3","1","2","4","2","7","1") = "6"
    & skf21("7","3","1","2","4","3","1","1") = "6"
    & skf21("7","3","1","2","4","3","2","1") = "6"
    & skf21("7","3","1","2","4","3","3","1") = "6"
    & skf21("7","3","1","2","4","3","4","1") = "6"
    & skf21("7","3","1","2","4","3","5","1") = "6"
    & skf21("7","3","1","2","4","3","6","1") = "6"
    & skf21("7","3","1","2","4","3","7","1") = "6"
    & skf21("7","3","1","2","4","4","1","1") = "6"
    & skf21("7","3","1","2","4","4","2","1") = "6"
    & skf21("7","3","1","2","4","4","3","1") = "6"
    & skf21("7","3","1","2","4","4","4","1") = "6"
    & skf21("7","3","1","2","4","4","5","1") = "6"
    & skf21("7","3","1","2","4","4","6","1") = "6"
    & skf21("7","3","1","2","4","4","7","1") = "6"
    & skf21("7","3","1","2","4","5","1","1") = "6"
    & skf21("7","3","1","2","4","5","2","1") = "6"
    & skf21("7","3","1","2","4","5","3","1") = "6"
    & skf21("7","3","1","2","4","5","4","1") = "6"
    & skf21("7","3","1","2","4","5","5","1") = "6"
    & skf21("7","3","1","2","4","5","6","1") = "6"
    & skf21("7","3","1","2","4","5","7","1") = "6"
    & skf21("7","3","1","2","4","6","1","1") = "6"
    & skf21("7","3","1","2","4","6","2","1") = "6"
    & skf21("7","3","1","2","4","6","3","1") = "6"
    & skf21("7","3","1","2","4","6","4","1") = "6"
    & skf21("7","3","1","2","4","6","5","1") = "6"
    & skf21("7","3","1","2","4","6","6","1") = "6"
    & skf21("7","3","1","2","4","6","7","1") = "6"
    & skf21("7","3","1","2","4","7","1","1") = "6"
    & skf21("7","3","1","2","4","7","2","1") = "6"
    & skf21("7","3","1","2","4","7","3","1") = "6"
    & skf21("7","3","1","2","4","7","4","1") = "6"
    & skf21("7","3","1","2","4","7","5","1") = "6"
    & skf21("7","3","1","2","4","7","6","1") = "6"
    & skf21("7","3","1","2","4","7","7","1") = "6"
    & skf21("7","3","1","2","5","1","1","1") = "6"
    & skf21("7","3","1","2","5","1","2","1") = "6"
    & skf21("7","3","1","2","5","1","3","1") = "6"
    & skf21("7","3","1","2","5","1","4","1") = "6"
    & skf21("7","3","1","2","5","1","5","1") = "6"
    & skf21("7","3","1","2","5","1","6","1") = "6"
    & skf21("7","3","1","2","5","1","7","1") = "6"
    & skf21("7","3","1","2","5","2","1","1") = "6"
    & skf21("7","3","1","2","5","2","2","1") = "6"
    & skf21("7","3","1","2","5","2","3","1") = "6"
    & skf21("7","3","1","2","5","2","4","1") = "6"
    & skf21("7","3","1","2","5","2","5","1") = "6"
    & skf21("7","3","1","2","5","2","6","1") = "6"
    & skf21("7","3","1","2","5","2","7","1") = "6"
    & skf21("7","3","1","2","5","3","1","1") = "6"
    & skf21("7","3","1","2","5","3","2","1") = "6"
    & skf21("7","3","1","2","5","3","3","1") = "6"
    & skf21("7","3","1","2","5","3","4","1") = "6"
    & skf21("7","3","1","2","5","3","5","1") = "6"
    & skf21("7","3","1","2","5","3","6","1") = "6"
    & skf21("7","3","1","2","5","3","7","1") = "6"
    & skf21("7","3","1","2","5","4","1","1") = "6"
    & skf21("7","3","1","2","5","4","2","1") = "6"
    & skf21("7","3","1","2","5","4","3","1") = "6"
    & skf21("7","3","1","2","5","4","4","1") = "6"
    & skf21("7","3","1","2","5","4","5","1") = "6"
    & skf21("7","3","1","2","5","4","6","1") = "6"
    & skf21("7","3","1","2","5","4","7","1") = "6"
    & skf21("7","3","1","2","5","5","1","1") = "6"
    & skf21("7","3","1","2","5","5","2","1") = "6"
    & skf21("7","3","1","2","5","5","3","1") = "6"
    & skf21("7","3","1","2","5","5","4","1") = "6"
    & skf21("7","3","1","2","5","5","5","1") = "6"
    & skf21("7","3","1","2","5","5","6","1") = "6"
    & skf21("7","3","1","2","5","5","7","1") = "6"
    & skf21("7","3","1","2","5","6","1","1") = "6"
    & skf21("7","3","1","2","5","6","2","1") = "6"
    & skf21("7","3","1","2","5","6","3","1") = "6"
    & skf21("7","3","1","2","5","6","4","1") = "6"
    & skf21("7","3","1","2","5","6","5","1") = "6"
    & skf21("7","3","1","2","5","6","6","1") = "6"
    & skf21("7","3","1","2","5","6","7","1") = "6"
    & skf21("7","3","1","2","5","7","1","1") = "6"
    & skf21("7","3","1","2","5","7","2","1") = "6"
    & skf21("7","3","1","2","5","7","3","1") = "6"
    & skf21("7","3","1","2","5","7","4","1") = "6"
    & skf21("7","3","1","2","5","7","5","1") = "6"
    & skf21("7","3","1","2","5","7","6","1") = "6"
    & skf21("7","3","1","2","5","7","7","1") = "6"
    & skf21("7","3","1","2","6","1","1","1") = "6"
    & skf21("7","3","1","2","6","1","2","1") = "6"
    & skf21("7","3","1","2","6","1","3","1") = "6"
    & skf21("7","3","1","2","6","1","4","1") = "6"
    & skf21("7","3","1","2","6","1","5","1") = "6"
    & skf21("7","3","1","2","6","1","6","1") = "6"
    & skf21("7","3","1","2","6","1","7","1") = "6"
    & skf21("7","3","1","2","6","2","1","1") = "6"
    & skf21("7","3","1","2","6","2","2","1") = "6"
    & skf21("7","3","1","2","6","2","3","1") = "6"
    & skf21("7","3","1","2","6","2","4","1") = "6"
    & skf21("7","3","1","2","6","2","5","1") = "6"
    & skf21("7","3","1","2","6","2","6","1") = "6"
    & skf21("7","3","1","2","6","2","7","1") = "6"
    & skf21("7","3","1","2","6","3","1","1") = "6"
    & skf21("7","3","1","2","6","3","2","1") = "6"
    & skf21("7","3","1","2","6","3","3","1") = "6"
    & skf21("7","3","1","2","6","3","4","1") = "6"
    & skf21("7","3","1","2","6","3","5","1") = "6"
    & skf21("7","3","1","2","6","3","6","1") = "6"
    & skf21("7","3","1","2","6","3","7","1") = "6"
    & skf21("7","3","1","2","6","4","1","1") = "6"
    & skf21("7","3","1","2","6","4","2","1") = "6"
    & skf21("7","3","1","2","6","4","3","1") = "6"
    & skf21("7","3","1","2","6","4","4","1") = "6"
    & skf21("7","3","1","2","6","4","5","1") = "6"
    & skf21("7","3","1","2","6","4","6","1") = "6"
    & skf21("7","3","1","2","6","4","7","1") = "6"
    & skf21("7","3","1","2","6","5","1","1") = "6"
    & skf21("7","3","1","2","6","5","2","1") = "6"
    & skf21("7","3","1","2","6","5","3","1") = "6"
    & skf21("7","3","1","2","6","5","4","1") = "6"
    & skf21("7","3","1","2","6","5","5","1") = "6"
    & skf21("7","3","1","2","6","5","6","1") = "6"
    & skf21("7","3","1","2","6","5","7","1") = "6"
    & skf21("7","3","1","2","6","6","1","1") = "6"
    & skf21("7","3","1","2","6","6","2","1") = "6"
    & skf21("7","3","1","2","6","6","3","1") = "6"
    & skf21("7","3","1","2","6","6","4","1") = "6"
    & skf21("7","3","1","2","6","6","5","1") = "6"
    & skf21("7","3","1","2","6","6","6","1") = "6"
    & skf21("7","3","1","2","6","6","7","1") = "6"
    & skf21("7","3","1","2","6","7","1","1") = "6"
    & skf21("7","3","1","2","6","7","2","1") = "6"
    & skf21("7","3","1","2","6","7","3","1") = "6"
    & skf21("7","3","1","2","6","7","4","1") = "6"
    & skf21("7","3","1","2","6","7","5","1") = "6"
    & skf21("7","3","1","2","6","7","6","1") = "6"
    & skf21("7","3","1","2","6","7","7","1") = "6"
    & skf21("7","3","1","2","7","1","1","1") = "6"
    & skf21("7","3","1","2","7","1","2","1") = "6"
    & skf21("7","3","1","2","7","1","3","1") = "6"
    & skf21("7","3","1","2","7","1","4","1") = "6"
    & skf21("7","3","1","2","7","1","5","1") = "6"
    & skf21("7","3","1","2","7","1","6","1") = "6"
    & skf21("7","3","1","2","7","1","7","1") = "6"
    & skf21("7","3","1","2","7","2","1","1") = "6"
    & skf21("7","3","1","2","7","2","2","1") = "6"
    & skf21("7","3","1","2","7","2","3","1") = "6"
    & skf21("7","3","1","2","7","2","4","1") = "6"
    & skf21("7","3","1","2","7","2","5","1") = "6"
    & skf21("7","3","1","2","7","2","6","1") = "6"
    & skf21("7","3","1","2","7","2","7","1") = "6"
    & skf21("7","3","1","2","7","3","1","1") = "6"
    & skf21("7","3","1","2","7","3","2","1") = "6"
    & skf21("7","3","1","2","7","3","3","1") = "6"
    & skf21("7","3","1","2","7","3","4","1") = "6"
    & skf21("7","3","1","2","7","3","5","1") = "6"
    & skf21("7","3","1","2","7","3","6","1") = "6"
    & skf21("7","3","1","2","7","3","7","1") = "6"
    & skf21("7","3","1","2","7","4","1","1") = "6"
    & skf21("7","3","1","2","7","4","2","1") = "6"
    & skf21("7","3","1","2","7","4","3","1") = "6"
    & skf21("7","3","1","2","7","4","4","1") = "6"
    & skf21("7","3","1","2","7","4","5","1") = "6"
    & skf21("7","3","1","2","7","4","6","1") = "6"
    & skf21("7","3","1","2","7","4","7","1") = "6"
    & skf21("7","3","1","2","7","5","1","1") = "6"
    & skf21("7","3","1","2","7","5","2","1") = "6"
    & skf21("7","3","1","2","7","5","3","1") = "6"
    & skf21("7","3","1","2","7","5","4","1") = "6"
    & skf21("7","3","1","2","7","5","5","1") = "6"
    & skf21("7","3","1","2","7","5","6","1") = "6"
    & skf21("7","3","1","2","7","5","7","1") = "6"
    & skf21("7","3","1","2","7","6","1","1") = "6"
    & skf21("7","3","1","2","7","6","2","1") = "6"
    & skf21("7","3","1","2","7","6","3","1") = "6"
    & skf21("7","3","1","2","7","6","4","1") = "6"
    & skf21("7","3","1","2","7","6","5","1") = "6"
    & skf21("7","3","1","2","7","6","6","1") = "6"
    & skf21("7","3","1","2","7","6","7","1") = "6"
    & skf21("7","3","1","2","7","7","1","1") = "6"
    & skf21("7","3","1","2","7","7","2","1") = "6"
    & skf21("7","3","1","2","7","7","3","1") = "6"
    & skf21("7","3","1","2","7","7","4","1") = "6"
    & skf21("7","3","1","2","7","7","5","1") = "6"
    & skf21("7","3","1","2","7","7","6","1") = "6"
    & skf21("7","3","1","2","7","7","7","1") = "6"
    & skf21("7","3","1","3","1","1","1","1") = "6"
    & skf21("7","3","1","3","1","1","2","1") = "6"
    & skf21("7","3","1","3","1","1","3","1") = "6"
    & skf21("7","3","1","3","1","1","4","1") = "6"
    & skf21("7","3","1","3","1","1","5","1") = "6"
    & skf21("7","3","1","3","1","1","6","1") = "6"
    & skf21("7","3","1","3","1","1","7","1") = "6"
    & skf21("7","3","1","3","1","2","1","1") = "6"
    & skf21("7","3","1","3","1","2","2","1") = "6"
    & skf21("7","3","1","3","1","2","3","1") = "6"
    & skf21("7","3","1","3","1","2","4","1") = "6"
    & skf21("7","3","1","3","1","2","5","1") = "6"
    & skf21("7","3","1","3","1","2","6","1") = "6"
    & skf21("7","3","1","3","1","2","7","1") = "6"
    & skf21("7","3","1","3","1","3","1","1") = "6"
    & skf21("7","3","1","3","1","3","2","1") = "6"
    & skf21("7","3","1","3","1","3","3","1") = "6"
    & skf21("7","3","1","3","1","3","4","1") = "6"
    & skf21("7","3","1","3","1","3","5","1") = "6"
    & skf21("7","3","1","3","1","3","6","1") = "6"
    & skf21("7","3","1","3","1","3","7","1") = "6"
    & skf21("7","3","1","3","1","4","1","1") = "6"
    & skf21("7","3","1","3","1","4","2","1") = "6"
    & skf21("7","3","1","3","1","4","3","1") = "6"
    & skf21("7","3","1","3","1","4","4","1") = "6"
    & skf21("7","3","1","3","1","4","5","1") = "6"
    & skf21("7","3","1","3","1","4","6","1") = "6"
    & skf21("7","3","1","3","1","4","7","1") = "6"
    & skf21("7","3","1","3","1","5","1","1") = "6"
    & skf21("7","3","1","3","1","5","2","1") = "6"
    & skf21("7","3","1","3","1","5","3","1") = "6"
    & skf21("7","3","1","3","1","5","4","1") = "6"
    & skf21("7","3","1","3","1","5","5","1") = "6"
    & skf21("7","3","1","3","1","5","6","1") = "6"
    & skf21("7","3","1","3","1","5","7","1") = "6"
    & skf21("7","3","1","3","1","6","1","1") = "6"
    & skf21("7","3","1","3","1","6","2","1") = "6"
    & skf21("7","3","1","3","1","6","3","1") = "6"
    & skf21("7","3","1","3","1","6","4","1") = "6"
    & skf21("7","3","1","3","1","6","5","1") = "6"
    & skf21("7","3","1","3","1","6","6","1") = "6"
    & skf21("7","3","1","3","1","6","7","1") = "6"
    & skf21("7","3","1","3","1","7","1","1") = "6"
    & skf21("7","3","1","3","1","7","2","1") = "6"
    & skf21("7","3","1","3","1","7","3","1") = "6"
    & skf21("7","3","1","3","1","7","4","1") = "6"
    & skf21("7","3","1","3","1","7","5","1") = "6"
    & skf21("7","3","1","3","1","7","6","1") = "6"
    & skf21("7","3","1","3","1","7","7","1") = "6"
    & skf21("7","3","1","3","2","1","1","1") = "6"
    & skf21("7","3","1","3","2","1","2","1") = "6"
    & skf21("7","3","1","3","2","1","3","1") = "6"
    & skf21("7","3","1","3","2","1","4","1") = "6"
    & skf21("7","3","1","3","2","1","5","1") = "6"
    & skf21("7","3","1","3","2","1","6","1") = "6"
    & skf21("7","3","1","3","2","1","7","1") = "6"
    & skf21("7","3","1","3","2","2","1","1") = "6"
    & skf21("7","3","1","3","2","2","2","1") = "6"
    & skf21("7","3","1","3","2","2","3","1") = "6"
    & skf21("7","3","1","3","2","2","4","1") = "6"
    & skf21("7","3","1","3","2","2","5","1") = "6"
    & skf21("7","3","1","3","2","2","6","1") = "6"
    & skf21("7","3","1","3","2","2","7","1") = "6"
    & skf21("7","3","1","3","2","3","1","1") = "6"
    & skf21("7","3","1","3","2","3","2","1") = "6"
    & skf21("7","3","1","3","2","3","3","1") = "6"
    & skf21("7","3","1","3","2","3","4","1") = "6"
    & skf21("7","3","1","3","2","3","5","1") = "6"
    & skf21("7","3","1","3","2","3","6","1") = "6"
    & skf21("7","3","1","3","2","3","7","1") = "6"
    & skf21("7","3","1","3","2","4","1","1") = "6"
    & skf21("7","3","1","3","2","4","2","1") = "6"
    & skf21("7","3","1","3","2","4","3","1") = "6"
    & skf21("7","3","1","3","2","4","4","1") = "6"
    & skf21("7","3","1","3","2","4","5","1") = "6"
    & skf21("7","3","1","3","2","4","6","1") = "6"
    & skf21("7","3","1","3","2","4","7","1") = "6"
    & skf21("7","3","1","3","2","5","1","1") = "6"
    & skf21("7","3","1","3","2","5","2","1") = "6"
    & skf21("7","3","1","3","2","5","3","1") = "6"
    & skf21("7","3","1","3","2","5","4","1") = "6"
    & skf21("7","3","1","3","2","5","5","1") = "6"
    & skf21("7","3","1","3","2","5","6","1") = "6"
    & skf21("7","3","1","3","2","5","7","1") = "6"
    & skf21("7","3","1","3","2","6","1","1") = "6"
    & skf21("7","3","1","3","2","6","2","1") = "6"
    & skf21("7","3","1","3","2","6","3","1") = "6"
    & skf21("7","3","1","3","2","6","4","1") = "6"
    & skf21("7","3","1","3","2","6","5","1") = "6"
    & skf21("7","3","1","3","2","6","6","1") = "6"
    & skf21("7","3","1","3","2","6","7","1") = "6"
    & skf21("7","3","1","3","2","7","1","1") = "6"
    & skf21("7","3","1","3","2","7","2","1") = "6"
    & skf21("7","3","1","3","2","7","3","1") = "6"
    & skf21("7","3","1","3","2","7","4","1") = "6"
    & skf21("7","3","1","3","2","7","5","1") = "6"
    & skf21("7","3","1","3","2","7","6","1") = "6"
    & skf21("7","3","1","3","2","7","7","1") = "6"
    & skf21("7","3","1","3","3","1","1","1") = "6"
    & skf21("7","3","1","3","3","1","2","1") = "6"
    & skf21("7","3","1","3","3","1","3","1") = "6"
    & skf21("7","3","1","3","3","1","4","1") = "6"
    & skf21("7","3","1","3","3","1","5","1") = "6"
    & skf21("7","3","1","3","3","1","6","1") = "6"
    & skf21("7","3","1","3","3","1","7","1") = "6"
    & skf21("7","3","1","3","3","2","1","1") = "6"
    & skf21("7","3","1","3","3","2","2","1") = "6"
    & skf21("7","3","1","3","3","2","3","1") = "6"
    & skf21("7","3","1","3","3","2","4","1") = "6"
    & skf21("7","3","1","3","3","2","5","1") = "6"
    & skf21("7","3","1","3","3","2","6","1") = "6"
    & skf21("7","3","1","3","3","2","7","1") = "6"
    & skf21("7","3","1","3","3","3","1","1") = "6"
    & skf21("7","3","1","3","3","3","2","1") = "6"
    & skf21("7","3","1","3","3","3","3","1") = "6"
    & skf21("7","3","1","3","3","3","4","1") = "6"
    & skf21("7","3","1","3","3","3","5","1") = "6"
    & skf21("7","3","1","3","3","3","6","1") = "6"
    & skf21("7","3","1","3","3","3","7","1") = "6"
    & skf21("7","3","1","3","3","4","1","1") = "6"
    & skf21("7","3","1","3","3","4","2","1") = "6"
    & skf21("7","3","1","3","3","4","3","1") = "6"
    & skf21("7","3","1","3","3","4","4","1") = "6"
    & skf21("7","3","1","3","3","4","5","1") = "6"
    & skf21("7","3","1","3","3","4","6","1") = "6"
    & skf21("7","3","1","3","3","4","7","1") = "6"
    & skf21("7","3","1","3","3","5","1","1") = "6"
    & skf21("7","3","1","3","3","5","2","1") = "6"
    & skf21("7","3","1","3","3","5","3","1") = "6"
    & skf21("7","3","1","3","3","5","4","1") = "6"
    & skf21("7","3","1","3","3","5","5","1") = "6"
    & skf21("7","3","1","3","3","5","6","1") = "6"
    & skf21("7","3","1","3","3","5","7","1") = "6"
    & skf21("7","3","1","3","3","6","1","1") = "6"
    & skf21("7","3","1","3","3","6","2","1") = "6"
    & skf21("7","3","1","3","3","6","3","1") = "6"
    & skf21("7","3","1","3","3","6","4","1") = "6"
    & skf21("7","3","1","3","3","6","5","1") = "6"
    & skf21("7","3","1","3","3","6","6","1") = "6"
    & skf21("7","3","1","3","3","6","7","1") = "6"
    & skf21("7","3","1","3","3","7","1","1") = "6"
    & skf21("7","3","1","3","3","7","2","1") = "6"
    & skf21("7","3","1","3","3","7","3","1") = "6"
    & skf21("7","3","1","3","3","7","4","1") = "6"
    & skf21("7","3","1","3","3","7","5","1") = "6"
    & skf21("7","3","1","3","3","7","6","1") = "6"
    & skf21("7","3","1","3","3","7","7","1") = "6"
    & skf21("7","3","1","3","4","1","1","1") = "6"
    & skf21("7","3","1","3","4","1","2","1") = "6"
    & skf21("7","3","1","3","4","1","3","1") = "6"
    & skf21("7","3","1","3","4","1","4","1") = "6"
    & skf21("7","3","1","3","4","1","5","1") = "6"
    & skf21("7","3","1","3","4","1","6","1") = "6"
    & skf21("7","3","1","3","4","1","7","1") = "6"
    & skf21("7","3","1","3","4","2","1","1") = "6"
    & skf21("7","3","1","3","4","2","2","1") = "6"
    & skf21("7","3","1","3","4","2","3","1") = "6"
    & skf21("7","3","1","3","4","2","4","1") = "6"
    & skf21("7","3","1","3","4","2","5","1") = "6"
    & skf21("7","3","1","3","4","2","6","1") = "6"
    & skf21("7","3","1","3","4","2","7","1") = "6"
    & skf21("7","3","1","3","4","3","1","1") = "6"
    & skf21("7","3","1","3","4","3","2","1") = "6"
    & skf21("7","3","1","3","4","3","3","1") = "6"
    & skf21("7","3","1","3","4","3","4","1") = "6"
    & skf21("7","3","1","3","4","3","5","1") = "6"
    & skf21("7","3","1","3","4","3","6","1") = "6"
    & skf21("7","3","1","3","4","3","7","1") = "6"
    & skf21("7","3","1","3","4","4","1","1") = "6"
    & skf21("7","3","1","3","4","4","2","1") = "6"
    & skf21("7","3","1","3","4","4","3","1") = "6"
    & skf21("7","3","1","3","4","4","4","1") = "6"
    & skf21("7","3","1","3","4","4","5","1") = "6"
    & skf21("7","3","1","3","4","4","6","1") = "6"
    & skf21("7","3","1","3","4","4","7","1") = "6"
    & skf21("7","3","1","3","4","5","1","1") = "6"
    & skf21("7","3","1","3","4","5","2","1") = "6"
    & skf21("7","3","1","3","4","5","3","1") = "6"
    & skf21("7","3","1","3","4","5","4","1") = "6"
    & skf21("7","3","1","3","4","5","5","1") = "6"
    & skf21("7","3","1","3","4","5","6","1") = "6"
    & skf21("7","3","1","3","4","5","7","1") = "6"
    & skf21("7","3","1","3","4","6","1","1") = "6"
    & skf21("7","3","1","3","4","6","2","1") = "6"
    & skf21("7","3","1","3","4","6","3","1") = "6"
    & skf21("7","3","1","3","4","6","4","1") = "6"
    & skf21("7","3","1","3","4","6","5","1") = "6"
    & skf21("7","3","1","3","4","6","6","1") = "6"
    & skf21("7","3","1","3","4","6","7","1") = "6"
    & skf21("7","3","1","3","4","7","1","1") = "6"
    & skf21("7","3","1","3","4","7","2","1") = "6"
    & skf21("7","3","1","3","4","7","3","1") = "6"
    & skf21("7","3","1","3","4","7","4","1") = "6"
    & skf21("7","3","1","3","4","7","5","1") = "6"
    & skf21("7","3","1","3","4","7","6","1") = "6"
    & skf21("7","3","1","3","4","7","7","1") = "6"
    & skf21("7","3","1","3","5","1","1","1") = "6"
    & skf21("7","3","1","3","5","1","2","1") = "6"
    & skf21("7","3","1","3","5","1","3","1") = "6"
    & skf21("7","3","1","3","5","1","4","1") = "6"
    & skf21("7","3","1","3","5","1","5","1") = "6"
    & skf21("7","3","1","3","5","1","6","1") = "6"
    & skf21("7","3","1","3","5","1","7","1") = "6"
    & skf21("7","3","1","3","5","2","1","1") = "6"
    & skf21("7","3","1","3","5","2","2","1") = "6"
    & skf21("7","3","1","3","5","2","3","1") = "6"
    & skf21("7","3","1","3","5","2","4","1") = "6"
    & skf21("7","3","1","3","5","2","5","1") = "6"
    & skf21("7","3","1","3","5","2","6","1") = "6"
    & skf21("7","3","1","3","5","2","7","1") = "6"
    & skf21("7","3","1","3","5","3","1","1") = "6"
    & skf21("7","3","1","3","5","3","2","1") = "6"
    & skf21("7","3","1","3","5","3","3","1") = "6"
    & skf21("7","3","1","3","5","3","4","1") = "6"
    & skf21("7","3","1","3","5","3","5","1") = "6"
    & skf21("7","3","1","3","5","3","6","1") = "6"
    & skf21("7","3","1","3","5","3","7","1") = "6"
    & skf21("7","3","1","3","5","4","1","1") = "6"
    & skf21("7","3","1","3","5","4","2","1") = "6"
    & skf21("7","3","1","3","5","4","3","1") = "6"
    & skf21("7","3","1","3","5","4","4","1") = "6"
    & skf21("7","3","1","3","5","4","5","1") = "6"
    & skf21("7","3","1","3","5","4","6","1") = "6"
    & skf21("7","3","1","3","5","4","7","1") = "6"
    & skf21("7","3","1","3","5","5","1","1") = "6"
    & skf21("7","3","1","3","5","5","2","1") = "6"
    & skf21("7","3","1","3","5","5","3","1") = "6"
    & skf21("7","3","1","3","5","5","4","1") = "6"
    & skf21("7","3","1","3","5","5","5","1") = "6"
    & skf21("7","3","1","3","5","5","6","1") = "6"
    & skf21("7","3","1","3","5","5","7","1") = "6"
    & skf21("7","3","1","3","5","6","1","1") = "6"
    & skf21("7","3","1","3","5","6","2","1") = "6"
    & skf21("7","3","1","3","5","6","3","1") = "6"
    & skf21("7","3","1","3","5","6","4","1") = "6"
    & skf21("7","3","1","3","5","6","5","1") = "6"
    & skf21("7","3","1","3","5","6","6","1") = "6"
    & skf21("7","3","1","3","5","6","7","1") = "6"
    & skf21("7","3","1","3","5","7","1","1") = "6"
    & skf21("7","3","1","3","5","7","2","1") = "6"
    & skf21("7","3","1","3","5","7","3","1") = "6"
    & skf21("7","3","1","3","5","7","4","1") = "6"
    & skf21("7","3","1","3","5","7","5","1") = "6"
    & skf21("7","3","1","3","5","7","6","1") = "6"
    & skf21("7","3","1","3","5","7","7","1") = "6"
    & skf21("7","3","1","3","6","1","1","1") = "6"
    & skf21("7","3","1","3","6","1","2","1") = "6"
    & skf21("7","3","1","3","6","1","3","1") = "6"
    & skf21("7","3","1","3","6","1","4","1") = "6"
    & skf21("7","3","1","3","6","1","5","1") = "6"
    & skf21("7","3","1","3","6","1","6","1") = "6"
    & skf21("7","3","1","3","6","1","7","1") = "6"
    & skf21("7","3","1","3","6","2","1","1") = "6"
    & skf21("7","3","1","3","6","2","2","1") = "6"
    & skf21("7","3","1","3","6","2","3","1") = "6"
    & skf21("7","3","1","3","6","2","4","1") = "6"
    & skf21("7","3","1","3","6","2","5","1") = "6"
    & skf21("7","3","1","3","6","2","6","1") = "6"
    & skf21("7","3","1","3","6","2","7","1") = "6"
    & skf21("7","3","1","3","6","3","1","1") = "6"
    & skf21("7","3","1","3","6","3","2","1") = "6"
    & skf21("7","3","1","3","6","3","3","1") = "6"
    & skf21("7","3","1","3","6","3","4","1") = "6"
    & skf21("7","3","1","3","6","3","5","1") = "6"
    & skf21("7","3","1","3","6","3","6","1") = "6"
    & skf21("7","3","1","3","6","3","7","1") = "6"
    & skf21("7","3","1","3","6","4","1","1") = "6"
    & skf21("7","3","1","3","6","4","2","1") = "6"
    & skf21("7","3","1","3","6","4","3","1") = "6"
    & skf21("7","3","1","3","6","4","4","1") = "6"
    & skf21("7","3","1","3","6","4","5","1") = "6"
    & skf21("7","3","1","3","6","4","6","1") = "6"
    & skf21("7","3","1","3","6","4","7","1") = "6"
    & skf21("7","3","1","3","6","5","1","1") = "6"
    & skf21("7","3","1","3","6","5","2","1") = "6"
    & skf21("7","3","1","3","6","5","3","1") = "6"
    & skf21("7","3","1","3","6","5","4","1") = "6"
    & skf21("7","3","1","3","6","5","5","1") = "6"
    & skf21("7","3","1","3","6","5","6","1") = "6"
    & skf21("7","3","1","3","6","5","7","1") = "6"
    & skf21("7","3","1","3","6","6","1","1") = "6"
    & skf21("7","3","1","3","6","6","2","1") = "6"
    & skf21("7","3","1","3","6","6","3","1") = "6"
    & skf21("7","3","1","3","6","6","4","1") = "6"
    & skf21("7","3","1","3","6","6","5","1") = "6"
    & skf21("7","3","1","3","6","6","6","1") = "6"
    & skf21("7","3","1","3","6","6","7","1") = "6"
    & skf21("7","3","1","3","6","7","1","1") = "6"
    & skf21("7","3","1","3","6","7","2","1") = "6"
    & skf21("7","3","1","3","6","7","3","1") = "6"
    & skf21("7","3","1","3","6","7","4","1") = "6"
    & skf21("7","3","1","3","6","7","5","1") = "6"
    & skf21("7","3","1","3","6","7","6","1") = "6"
    & skf21("7","3","1","3","6","7","7","1") = "6"
    & skf21("7","3","1","3","7","1","1","1") = "6"
    & skf21("7","3","1","3","7","1","2","1") = "6"
    & skf21("7","3","1","3","7","1","3","1") = "6"
    & skf21("7","3","1","3","7","1","4","1") = "6"
    & skf21("7","3","1","3","7","1","5","1") = "6"
    & skf21("7","3","1","3","7","1","6","1") = "6"
    & skf21("7","3","1","3","7","1","7","1") = "6"
    & skf21("7","3","1","3","7","2","1","1") = "6"
    & skf21("7","3","1","3","7","2","2","1") = "6"
    & skf21("7","3","1","3","7","2","3","1") = "6"
    & skf21("7","3","1","3","7","2","4","1") = "6"
    & skf21("7","3","1","3","7","2","5","1") = "6"
    & skf21("7","3","1","3","7","2","6","1") = "6"
    & skf21("7","3","1","3","7","2","7","1") = "6"
    & skf21("7","3","1","3","7","3","1","1") = "6"
    & skf21("7","3","1","3","7","3","2","1") = "6"
    & skf21("7","3","1","3","7","3","3","1") = "6"
    & skf21("7","3","1","3","7","3","4","1") = "6"
    & skf21("7","3","1","3","7","3","5","1") = "6"
    & skf21("7","3","1","3","7","3","6","1") = "6"
    & skf21("7","3","1","3","7","3","7","1") = "6"
    & skf21("7","3","1","3","7","4","1","1") = "6"
    & skf21("7","3","1","3","7","4","2","1") = "6"
    & skf21("7","3","1","3","7","4","3","1") = "6"
    & skf21("7","3","1","3","7","4","4","1") = "6"
    & skf21("7","3","1","3","7","4","5","1") = "6"
    & skf21("7","3","1","3","7","4","6","1") = "6"
    & skf21("7","3","1","3","7","4","7","1") = "6"
    & skf21("7","3","1","3","7","5","1","1") = "6"
    & skf21("7","3","1","3","7","5","2","1") = "6"
    & skf21("7","3","1","3","7","5","3","1") = "6"
    & skf21("7","3","1","3","7","5","4","1") = "6"
    & skf21("7","3","1","3","7","5","5","1") = "6"
    & skf21("7","3","1","3","7","5","6","1") = "6"
    & skf21("7","3","1","3","7","5","7","1") = "6"
    & skf21("7","3","1","3","7","6","1","1") = "6"
    & skf21("7","3","1","3","7","6","2","1") = "6"
    & skf21("7","3","1","3","7","6","3","1") = "6"
    & skf21("7","3","1","3","7","6","4","1") = "6"
    & skf21("7","3","1","3","7","6","5","1") = "6"
    & skf21("7","3","1","3","7","6","6","1") = "6"
    & skf21("7","3","1","3","7","6","7","1") = "6"
    & skf21("7","3","1","3","7","7","1","1") = "6"
    & skf21("7","3","1","3","7","7","2","1") = "6"
    & skf21("7","3","1","3","7","7","3","1") = "6"
    & skf21("7","3","1","3","7","7","4","1") = "6"
    & skf21("7","3","1","3","7","7","5","1") = "6"
    & skf21("7","3","1","3","7","7","6","1") = "6"
    & skf21("7","3","1","3","7","7","7","1") = "6"
    & skf21("7","3","1","4","1","1","1","1") = "6"
    & skf21("7","3","1","4","1","1","2","1") = "6"
    & skf21("7","3","1","4","1","1","3","1") = "6"
    & skf21("7","3","1","4","1","1","4","1") = "6"
    & skf21("7","3","1","4","1","1","5","1") = "6"
    & skf21("7","3","1","4","1","1","6","1") = "6"
    & skf21("7","3","1","4","1","1","7","1") = "6"
    & skf21("7","3","1","4","1","2","1","1") = "6"
    & skf21("7","3","1","4","1","2","2","1") = "6"
    & skf21("7","3","1","4","1","2","3","1") = "6"
    & skf21("7","3","1","4","1","2","4","1") = "6"
    & skf21("7","3","1","4","1","2","5","1") = "6"
    & skf21("7","3","1","4","1","2","6","1") = "6"
    & skf21("7","3","1","4","1","2","7","1") = "6"
    & skf21("7","3","1","4","1","3","1","1") = "6"
    & skf21("7","3","1","4","1","3","2","1") = "6"
    & skf21("7","3","1","4","1","3","3","1") = "6"
    & skf21("7","3","1","4","1","3","4","1") = "6"
    & skf21("7","3","1","4","1","3","5","1") = "6"
    & skf21("7","3","1","4","1","3","6","1") = "6"
    & skf21("7","3","1","4","1","3","7","1") = "6"
    & skf21("7","3","1","4","1","4","1","1") = "6"
    & skf21("7","3","1","4","1","4","2","1") = "6"
    & skf21("7","3","1","4","1","4","3","1") = "6"
    & skf21("7","3","1","4","1","4","4","1") = "6"
    & skf21("7","3","1","4","1","4","5","1") = "6"
    & skf21("7","3","1","4","1","4","6","1") = "6"
    & skf21("7","3","1","4","1","4","7","1") = "6"
    & skf21("7","3","1","4","1","5","1","1") = "6"
    & skf21("7","3","1","4","1","5","2","1") = "6"
    & skf21("7","3","1","4","1","5","3","1") = "6"
    & skf21("7","3","1","4","1","5","4","1") = "6"
    & skf21("7","3","1","4","1","5","5","1") = "6"
    & skf21("7","3","1","4","1","5","6","1") = "6"
    & skf21("7","3","1","4","1","5","7","1") = "6"
    & skf21("7","3","1","4","1","6","1","1") = "6"
    & skf21("7","3","1","4","1","6","2","1") = "6"
    & skf21("7","3","1","4","1","6","3","1") = "6"
    & skf21("7","3","1","4","1","6","4","1") = "6"
    & skf21("7","3","1","4","1","6","5","1") = "6"
    & skf21("7","3","1","4","1","6","6","1") = "6"
    & skf21("7","3","1","4","1","6","7","1") = "6"
    & skf21("7","3","1","4","1","7","1","1") = "6"
    & skf21("7","3","1","4","1","7","2","1") = "6"
    & skf21("7","3","1","4","1","7","3","1") = "6"
    & skf21("7","3","1","4","1","7","4","1") = "6"
    & skf21("7","3","1","4","1","7","5","1") = "6"
    & skf21("7","3","1","4","1","7","6","1") = "6"
    & skf21("7","3","1","4","1","7","7","1") = "6"
    & skf21("7","3","1","4","2","1","1","1") = "6"
    & skf21("7","3","1","4","2","1","2","1") = "6"
    & skf21("7","3","1","4","2","1","3","1") = "6"
    & skf21("7","3","1","4","2","1","4","1") = "6"
    & skf21("7","3","1","4","2","1","5","1") = "6"
    & skf21("7","3","1","4","2","1","6","1") = "6"
    & skf21("7","3","1","4","2","1","7","1") = "6"
    & skf21("7","3","1","4","2","2","1","1") = "6"
    & skf21("7","3","1","4","2","2","2","1") = "6"
    & skf21("7","3","1","4","2","2","3","1") = "6"
    & skf21("7","3","1","4","2","2","4","1") = "6"
    & skf21("7","3","1","4","2","2","5","1") = "6"
    & skf21("7","3","1","4","2","2","6","1") = "6"
    & skf21("7","3","1","4","2","2","7","1") = "6"
    & skf21("7","3","1","4","2","3","1","1") = "6"
    & skf21("7","3","1","4","2","3","2","1") = "6"
    & skf21("7","3","1","4","2","3","3","1") = "6"
    & skf21("7","3","1","4","2","3","4","1") = "6"
    & skf21("7","3","1","4","2","3","5","1") = "6"
    & skf21("7","3","1","4","2","3","6","1") = "6"
    & skf21("7","3","1","4","2","3","7","1") = "6"
    & skf21("7","3","1","4","2","4","1","1") = "6"
    & skf21("7","3","1","4","2","4","2","1") = "6"
    & skf21("7","3","1","4","2","4","3","1") = "6"
    & skf21("7","3","1","4","2","4","4","1") = "6"
    & skf21("7","3","1","4","2","4","5","1") = "6"
    & skf21("7","3","1","4","2","4","6","1") = "6"
    & skf21("7","3","1","4","2","4","7","1") = "6"
    & skf21("7","3","1","4","2","5","1","1") = "6"
    & skf21("7","3","1","4","2","5","2","1") = "6"
    & skf21("7","3","1","4","2","5","3","1") = "6"
    & skf21("7","3","1","4","2","5","4","1") = "6"
    & skf21("7","3","1","4","2","5","5","1") = "6"
    & skf21("7","3","1","4","2","5","6","1") = "6"
    & skf21("7","3","1","4","2","5","7","1") = "6"
    & skf21("7","3","1","4","2","6","1","1") = "6"
    & skf21("7","3","1","4","2","6","2","1") = "6"
    & skf21("7","3","1","4","2","6","3","1") = "6"
    & skf21("7","3","1","4","2","6","4","1") = "6"
    & skf21("7","3","1","4","2","6","5","1") = "6"
    & skf21("7","3","1","4","2","6","6","1") = "6"
    & skf21("7","3","1","4","2","6","7","1") = "6"
    & skf21("7","3","1","4","2","7","1","1") = "6"
    & skf21("7","3","1","4","2","7","2","1") = "6"
    & skf21("7","3","1","4","2","7","3","1") = "6"
    & skf21("7","3","1","4","2","7","4","1") = "6"
    & skf21("7","3","1","4","2","7","5","1") = "6"
    & skf21("7","3","1","4","2","7","6","1") = "6"
    & skf21("7","3","1","4","2","7","7","1") = "6"
    & skf21("7","3","1","4","3","1","1","1") = "6"
    & skf21("7","3","1","4","3","1","2","1") = "6"
    & skf21("7","3","1","4","3","1","3","1") = "6"
    & skf21("7","3","1","4","3","1","4","1") = "6"
    & skf21("7","3","1","4","3","1","5","1") = "6"
    & skf21("7","3","1","4","3","1","6","1") = "6"
    & skf21("7","3","1","4","3","1","7","1") = "6"
    & skf21("7","3","1","4","3","2","1","1") = "6"
    & skf21("7","3","1","4","3","2","2","1") = "6"
    & skf21("7","3","1","4","3","2","3","1") = "6"
    & skf21("7","3","1","4","3","2","4","1") = "6"
    & skf21("7","3","1","4","3","2","5","1") = "6"
    & skf21("7","3","1","4","3","2","6","1") = "6"
    & skf21("7","3","1","4","3","2","7","1") = "6"
    & skf21("7","3","1","4","3","3","1","1") = "6"
    & skf21("7","3","1","4","3","3","2","1") = "6"
    & skf21("7","3","1","4","3","3","3","1") = "6"
    & skf21("7","3","1","4","3","3","4","1") = "6"
    & skf21("7","3","1","4","3","3","5","1") = "6"
    & skf21("7","3","1","4","3","3","6","1") = "6"
    & skf21("7","3","1","4","3","3","7","1") = "6"
    & skf21("7","3","1","4","3","4","1","1") = "6"
    & skf21("7","3","1","4","3","4","2","1") = "6"
    & skf21("7","3","1","4","3","4","3","1") = "6"
    & skf21("7","3","1","4","3","4","4","1") = "6"
    & skf21("7","3","1","4","3","4","5","1") = "6"
    & skf21("7","3","1","4","3","4","6","1") = "6"
    & skf21("7","3","1","4","3","4","7","1") = "6"
    & skf21("7","3","1","4","3","5","1","1") = "6"
    & skf21("7","3","1","4","3","5","2","1") = "6"
    & skf21("7","3","1","4","3","5","3","1") = "6"
    & skf21("7","3","1","4","3","5","4","1") = "6"
    & skf21("7","3","1","4","3","5","5","1") = "6"
    & skf21("7","3","1","4","3","5","6","1") = "6"
    & skf21("7","3","1","4","3","5","7","1") = "6"
    & skf21("7","3","1","4","3","6","1","1") = "6"
    & skf21("7","3","1","4","3","6","2","1") = "6"
    & skf21("7","3","1","4","3","6","3","1") = "6"
    & skf21("7","3","1","4","3","6","4","1") = "6"
    & skf21("7","3","1","4","3","6","5","1") = "6"
    & skf21("7","3","1","4","3","6","6","1") = "6"
    & skf21("7","3","1","4","3","6","7","1") = "6"
    & skf21("7","3","1","4","3","7","1","1") = "6"
    & skf21("7","3","1","4","3","7","2","1") = "6"
    & skf21("7","3","1","4","3","7","3","1") = "6"
    & skf21("7","3","1","4","3","7","4","1") = "6"
    & skf21("7","3","1","4","3","7","5","1") = "6"
    & skf21("7","3","1","4","3","7","6","1") = "6"
    & skf21("7","3","1","4","3","7","7","1") = "6"
    & skf21("7","3","1","4","4","1","1","1") = "6"
    & skf21("7","3","1","4","4","1","2","1") = "6"
    & skf21("7","3","1","4","4","1","3","1") = "6"
    & skf21("7","3","1","4","4","1","4","1") = "6"
    & skf21("7","3","1","4","4","1","5","1") = "6"
    & skf21("7","3","1","4","4","1","6","1") = "6"
    & skf21("7","3","1","4","4","1","7","1") = "6"
    & skf21("7","3","1","4","4","2","1","1") = "6"
    & skf21("7","3","1","4","4","2","2","1") = "6"
    & skf21("7","3","1","4","4","2","3","1") = "6"
    & skf21("7","3","1","4","4","2","4","1") = "6"
    & skf21("7","3","1","4","4","2","5","1") = "6"
    & skf21("7","3","1","4","4","2","6","1") = "6"
    & skf21("7","3","1","4","4","2","7","1") = "6"
    & skf21("7","3","1","4","4","3","1","1") = "6"
    & skf21("7","3","1","4","4","3","2","1") = "6"
    & skf21("7","3","1","4","4","3","3","1") = "6"
    & skf21("7","3","1","4","4","3","4","1") = "6"
    & skf21("7","3","1","4","4","3","5","1") = "6"
    & skf21("7","3","1","4","4","3","6","1") = "6"
    & skf21("7","3","1","4","4","3","7","1") = "6"
    & skf21("7","3","1","4","4","4","1","1") = "6"
    & skf21("7","3","1","4","4","4","2","1") = "6"
    & skf21("7","3","1","4","4","4","3","1") = "6"
    & skf21("7","3","1","4","4","4","4","1") = "6"
    & skf21("7","3","1","4","4","4","5","1") = "6"
    & skf21("7","3","1","4","4","4","6","1") = "6"
    & skf21("7","3","1","4","4","4","7","1") = "6"
    & skf21("7","3","1","4","4","5","1","1") = "6"
    & skf21("7","3","1","4","4","5","2","1") = "6"
    & skf21("7","3","1","4","4","5","3","1") = "6"
    & skf21("7","3","1","4","4","5","4","1") = "6"
    & skf21("7","3","1","4","4","5","5","1") = "6"
    & skf21("7","3","1","4","4","5","6","1") = "6"
    & skf21("7","3","1","4","4","5","7","1") = "6"
    & skf21("7","3","1","4","4","6","1","1") = "6"
    & skf21("7","3","1","4","4","6","2","1") = "6"
    & skf21("7","3","1","4","4","6","3","1") = "6"
    & skf21("7","3","1","4","4","6","4","1") = "6"
    & skf21("7","3","1","4","4","6","5","1") = "6"
    & skf21("7","3","1","4","4","6","6","1") = "6"
    & skf21("7","3","1","4","4","6","7","1") = "6"
    & skf21("7","3","1","4","4","7","1","1") = "6"
    & skf21("7","3","1","4","4","7","2","1") = "6"
    & skf21("7","3","1","4","4","7","3","1") = "6"
    & skf21("7","3","1","4","4","7","4","1") = "6"
    & skf21("7","3","1","4","4","7","5","1") = "6"
    & skf21("7","3","1","4","4","7","6","1") = "6"
    & skf21("7","3","1","4","4","7","7","1") = "6"
    & skf21("7","3","1","4","5","1","1","1") = "6"
    & skf21("7","3","1","4","5","1","2","1") = "6"
    & skf21("7","3","1","4","5","1","3","1") = "6"
    & skf21("7","3","1","4","5","1","4","1") = "6"
    & skf21("7","3","1","4","5","1","5","1") = "6"
    & skf21("7","3","1","4","5","1","6","1") = "6"
    & skf21("7","3","1","4","5","1","7","1") = "6"
    & skf21("7","3","1","4","5","2","1","1") = "6"
    & skf21("7","3","1","4","5","2","2","1") = "6"
    & skf21("7","3","1","4","5","2","3","1") = "6"
    & skf21("7","3","1","4","5","2","4","1") = "6"
    & skf21("7","3","1","4","5","2","5","1") = "6"
    & skf21("7","3","1","4","5","2","6","1") = "6"
    & skf21("7","3","1","4","5","2","7","1") = "6"
    & skf21("7","3","1","4","5","3","1","1") = "6"
    & skf21("7","3","1","4","5","3","2","1") = "6"
    & skf21("7","3","1","4","5","3","3","1") = "6"
    & skf21("7","3","1","4","5","3","4","1") = "6"
    & skf21("7","3","1","4","5","3","5","1") = "6"
    & skf21("7","3","1","4","5","3","6","1") = "6"
    & skf21("7","3","1","4","5","3","7","1") = "6"
    & skf21("7","3","1","4","5","4","1","1") = "6"
    & skf21("7","3","1","4","5","4","2","1") = "6"
    & skf21("7","3","1","4","5","4","3","1") = "6"
    & skf21("7","3","1","4","5","4","4","1") = "6"
    & skf21("7","3","1","4","5","4","5","1") = "6"
    & skf21("7","3","1","4","5","4","6","1") = "6"
    & skf21("7","3","1","4","5","4","7","1") = "6"
    & skf21("7","3","1","4","5","5","1","1") = "6"
    & skf21("7","3","1","4","5","5","2","1") = "6"
    & skf21("7","3","1","4","5","5","3","1") = "6"
    & skf21("7","3","1","4","5","5","4","1") = "6"
    & skf21("7","3","1","4","5","5","5","1") = "6"
    & skf21("7","3","1","4","5","5","6","1") = "6"
    & skf21("7","3","1","4","5","5","7","1") = "6"
    & skf21("7","3","1","4","5","6","1","1") = "6"
    & skf21("7","3","1","4","5","6","2","1") = "6"
    & skf21("7","3","1","4","5","6","3","1") = "6"
    & skf21("7","3","1","4","5","6","4","1") = "6"
    & skf21("7","3","1","4","5","6","5","1") = "6"
    & skf21("7","3","1","4","5","6","6","1") = "6"
    & skf21("7","3","1","4","5","6","7","1") = "6"
    & skf21("7","3","1","4","5","7","1","1") = "6"
    & skf21("7","3","1","4","5","7","2","1") = "6"
    & skf21("7","3","1","4","5","7","3","1") = "6"
    & skf21("7","3","1","4","5","7","4","1") = "6"
    & skf21("7","3","1","4","5","7","5","1") = "6"
    & skf21("7","3","1","4","5","7","6","1") = "6"
    & skf21("7","3","1","4","5","7","7","1") = "6"
    & skf21("7","3","1","4","6","1","1","1") = "6"
    & skf21("7","3","1","4","6","1","2","1") = "6"
    & skf21("7","3","1","4","6","1","3","1") = "6"
    & skf21("7","3","1","4","6","1","4","1") = "6"
    & skf21("7","3","1","4","6","1","5","1") = "6"
    & skf21("7","3","1","4","6","1","6","1") = "6"
    & skf21("7","3","1","4","6","1","7","1") = "6"
    & skf21("7","3","1","4","6","2","1","1") = "6"
    & skf21("7","3","1","4","6","2","2","1") = "6"
    & skf21("7","3","1","4","6","2","3","1") = "6"
    & skf21("7","3","1","4","6","2","4","1") = "6"
    & skf21("7","3","1","4","6","2","5","1") = "6"
    & skf21("7","3","1","4","6","2","6","1") = "6"
    & skf21("7","3","1","4","6","2","7","1") = "6"
    & skf21("7","3","1","4","6","3","1","1") = "6"
    & skf21("7","3","1","4","6","3","2","1") = "6"
    & skf21("7","3","1","4","6","3","3","1") = "6"
    & skf21("7","3","1","4","6","3","4","1") = "6"
    & skf21("7","3","1","4","6","3","5","1") = "6"
    & skf21("7","3","1","4","6","3","6","1") = "6"
    & skf21("7","3","1","4","6","3","7","1") = "6"
    & skf21("7","3","1","4","6","4","1","1") = "6"
    & skf21("7","3","1","4","6","4","2","1") = "6"
    & skf21("7","3","1","4","6","4","3","1") = "6"
    & skf21("7","3","1","4","6","4","4","1") = "6"
    & skf21("7","3","1","4","6","4","5","1") = "6"
    & skf21("7","3","1","4","6","4","6","1") = "6"
    & skf21("7","3","1","4","6","4","7","1") = "6"
    & skf21("7","3","1","4","6","5","1","1") = "6"
    & skf21("7","3","1","4","6","5","2","1") = "6"
    & skf21("7","3","1","4","6","5","3","1") = "6"
    & skf21("7","3","1","4","6","5","4","1") = "6"
    & skf21("7","3","1","4","6","5","5","1") = "6"
    & skf21("7","3","1","4","6","5","6","1") = "6"
    & skf21("7","3","1","4","6","5","7","1") = "6"
    & skf21("7","3","1","4","6","6","1","1") = "6"
    & skf21("7","3","1","4","6","6","2","1") = "6"
    & skf21("7","3","1","4","6","6","3","1") = "6"
    & skf21("7","3","1","4","6","6","4","1") = "6"
    & skf21("7","3","1","4","6","6","5","1") = "6"
    & skf21("7","3","1","4","6","6","6","1") = "6"
    & skf21("7","3","1","4","6","6","7","1") = "6"
    & skf21("7","3","1","4","6","7","1","1") = "6"
    & skf21("7","3","1","4","6","7","2","1") = "6"
    & skf21("7","3","1","4","6","7","3","1") = "6"
    & skf21("7","3","1","4","6","7","4","1") = "6"
    & skf21("7","3","1","4","6","7","5","1") = "6"
    & skf21("7","3","1","4","6","7","6","1") = "6"
    & skf21("7","3","1","4","6","7","7","1") = "6"
    & skf21("7","3","1","4","7","1","1","1") = "6"
    & skf21("7","3","1","4","7","1","2","1") = "6"
    & skf21("7","3","1","4","7","1","3","1") = "6"
    & skf21("7","3","1","4","7","1","4","1") = "6"
    & skf21("7","3","1","4","7","1","5","1") = "6"
    & skf21("7","3","1","4","7","1","6","1") = "6"
    & skf21("7","3","1","4","7","1","7","1") = "6"
    & skf21("7","3","1","4","7","2","1","1") = "6"
    & skf21("7","3","1","4","7","2","2","1") = "6"
    & skf21("7","3","1","4","7","2","3","1") = "6"
    & skf21("7","3","1","4","7","2","4","1") = "6"
    & skf21("7","3","1","4","7","2","5","1") = "6"
    & skf21("7","3","1","4","7","2","6","1") = "6"
    & skf21("7","3","1","4","7","2","7","1") = "6"
    & skf21("7","3","1","4","7","3","1","1") = "6"
    & skf21("7","3","1","4","7","3","2","1") = "6"
    & skf21("7","3","1","4","7","3","3","1") = "6"
    & skf21("7","3","1","4","7","3","4","1") = "6"
    & skf21("7","3","1","4","7","3","5","1") = "6"
    & skf21("7","3","1","4","7","3","6","1") = "6"
    & skf21("7","3","1","4","7","3","7","1") = "6"
    & skf21("7","3","1","4","7","4","1","1") = "6"
    & skf21("7","3","1","4","7","4","2","1") = "6"
    & skf21("7","3","1","4","7","4","3","1") = "6"
    & skf21("7","3","1","4","7","4","4","1") = "6"
    & skf21("7","3","1","4","7","4","5","1") = "6"
    & skf21("7","3","1","4","7","4","6","1") = "6"
    & skf21("7","3","1","4","7","4","7","1") = "6"
    & skf21("7","3","1","4","7","5","1","1") = "6"
    & skf21("7","3","1","4","7","5","2","1") = "6"
    & skf21("7","3","1","4","7","5","3","1") = "6"
    & skf21("7","3","1","4","7","5","4","1") = "6"
    & skf21("7","3","1","4","7","5","5","1") = "6"
    & skf21("7","3","1","4","7","5","6","1") = "6"
    & skf21("7","3","1","4","7","5","7","1") = "6"
    & skf21("7","3","1","4","7","6","1","1") = "6"
    & skf21("7","3","1","4","7","6","2","1") = "6"
    & skf21("7","3","1","4","7","6","3","1") = "6"
    & skf21("7","3","1","4","7","6","4","1") = "6"
    & skf21("7","3","1","4","7","6","5","1") = "6"
    & skf21("7","3","1","4","7","6","6","1") = "6"
    & skf21("7","3","1","4","7","6","7","1") = "6"
    & skf21("7","3","1","4","7","7","1","1") = "6"
    & skf21("7","3","1","4","7","7","2","1") = "6"
    & skf21("7","3","1","4","7","7","3","1") = "6"
    & skf21("7","3","1","4","7","7","4","1") = "6"
    & skf21("7","3","1","4","7","7","5","1") = "6"
    & skf21("7","3","1","4","7","7","6","1") = "6"
    & skf21("7","3","1","4","7","7","7","1") = "6"
    & skf21("7","3","1","5","1","1","1","1") = "6"
    & skf21("7","3","1","5","1","1","2","1") = "6"
    & skf21("7","3","1","5","1","1","3","1") = "6"
    & skf21("7","3","1","5","1","1","4","1") = "6"
    & skf21("7","3","1","5","1","1","5","1") = "6"
    & skf21("7","3","1","5","1","1","6","1") = "6"
    & skf21("7","3","1","5","1","1","7","1") = "6"
    & skf21("7","3","1","5","1","2","1","1") = "6"
    & skf21("7","3","1","5","1","2","2","1") = "6"
    & skf21("7","3","1","5","1","2","3","1") = "6"
    & skf21("7","3","1","5","1","2","4","1") = "6"
    & skf21("7","3","1","5","1","2","5","1") = "6"
    & skf21("7","3","1","5","1","2","6","1") = "6"
    & skf21("7","3","1","5","1","2","7","1") = "6"
    & skf21("7","3","1","5","1","3","1","1") = "6"
    & skf21("7","3","1","5","1","3","2","1") = "6"
    & skf21("7","3","1","5","1","3","3","1") = "6"
    & skf21("7","3","1","5","1","3","4","1") = "6"
    & skf21("7","3","1","5","1","3","5","1") = "6"
    & skf21("7","3","1","5","1","3","6","1") = "6"
    & skf21("7","3","1","5","1","3","7","1") = "6"
    & skf21("7","3","1","5","1","4","1","1") = "6"
    & skf21("7","3","1","5","1","4","2","1") = "6"
    & skf21("7","3","1","5","1","4","3","1") = "6"
    & skf21("7","3","1","5","1","4","4","1") = "6"
    & skf21("7","3","1","5","1","4","5","1") = "6"
    & skf21("7","3","1","5","1","4","6","1") = "6"
    & skf21("7","3","1","5","1","4","7","1") = "6"
    & skf21("7","3","1","5","1","5","1","1") = "6"
    & skf21("7","3","1","5","1","5","2","1") = "6"
    & skf21("7","3","1","5","1","5","3","1") = "6"
    & skf21("7","3","1","5","1","5","4","1") = "6"
    & skf21("7","3","1","5","1","5","5","1") = "6"
    & skf21("7","3","1","5","1","5","6","1") = "6"
    & skf21("7","3","1","5","1","5","7","1") = "6"
    & skf21("7","3","1","5","1","6","1","1") = "6"
    & skf21("7","3","1","5","1","6","2","1") = "6"
    & skf21("7","3","1","5","1","6","3","1") = "6"
    & skf21("7","3","1","5","1","6","4","1") = "6"
    & skf21("7","3","1","5","1","6","5","1") = "6"
    & skf21("7","3","1","5","1","6","6","1") = "6"
    & skf21("7","3","1","5","1","6","7","1") = "6"
    & skf21("7","3","1","5","1","7","1","1") = "6"
    & skf21("7","3","1","5","1","7","2","1") = "6"
    & skf21("7","3","1","5","1","7","3","1") = "6"
    & skf21("7","3","1","5","1","7","4","1") = "6"
    & skf21("7","3","1","5","1","7","5","1") = "6"
    & skf21("7","3","1","5","1","7","6","1") = "6"
    & skf21("7","3","1","5","1","7","7","1") = "6"
    & skf21("7","3","1","5","2","1","1","1") = "6"
    & skf21("7","3","1","5","2","1","2","1") = "6"
    & skf21("7","3","1","5","2","1","3","1") = "6"
    & skf21("7","3","1","5","2","1","4","1") = "6"
    & skf21("7","3","1","5","2","1","5","1") = "6"
    & skf21("7","3","1","5","2","1","6","1") = "6"
    & skf21("7","3","1","5","2","1","7","1") = "6"
    & skf21("7","3","1","5","2","2","1","1") = "6"
    & skf21("7","3","1","5","2","2","2","1") = "6"
    & skf21("7","3","1","5","2","2","3","1") = "6"
    & skf21("7","3","1","5","2","2","4","1") = "6"
    & skf21("7","3","1","5","2","2","5","1") = "6"
    & skf21("7","3","1","5","2","2","6","1") = "6"
    & skf21("7","3","1","5","2","2","7","1") = "6"
    & skf21("7","3","1","5","2","3","1","1") = "6"
    & skf21("7","3","1","5","2","3","2","1") = "6"
    & skf21("7","3","1","5","2","3","3","1") = "6"
    & skf21("7","3","1","5","2","3","4","1") = "6"
    & skf21("7","3","1","5","2","3","5","1") = "6"
    & skf21("7","3","1","5","2","3","6","1") = "6"
    & skf21("7","3","1","5","2","3","7","1") = "6"
    & skf21("7","3","1","5","2","4","1","1") = "6"
    & skf21("7","3","1","5","2","4","2","1") = "6"
    & skf21("7","3","1","5","2","4","3","1") = "6"
    & skf21("7","3","1","5","2","4","4","1") = "6"
    & skf21("7","3","1","5","2","4","5","1") = "6"
    & skf21("7","3","1","5","2","4","6","1") = "6"
    & skf21("7","3","1","5","2","4","7","1") = "6"
    & skf21("7","3","1","5","2","5","1","1") = "6"
    & skf21("7","3","1","5","2","5","2","1") = "6"
    & skf21("7","3","1","5","2","5","3","1") = "6"
    & skf21("7","3","1","5","2","5","4","1") = "6"
    & skf21("7","3","1","5","2","5","5","1") = "6"
    & skf21("7","3","1","5","2","5","6","1") = "6"
    & skf21("7","3","1","5","2","5","7","1") = "6"
    & skf21("7","3","1","5","2","6","1","1") = "6"
    & skf21("7","3","1","5","2","6","2","1") = "6"
    & skf21("7","3","1","5","2","6","3","1") = "6"
    & skf21("7","3","1","5","2","6","4","1") = "6"
    & skf21("7","3","1","5","2","6","5","1") = "6"
    & skf21("7","3","1","5","2","6","6","1") = "6"
    & skf21("7","3","1","5","2","6","7","1") = "6"
    & skf21("7","3","1","5","2","7","1","1") = "6"
    & skf21("7","3","1","5","2","7","2","1") = "6"
    & skf21("7","3","1","5","2","7","3","1") = "6"
    & skf21("7","3","1","5","2","7","4","1") = "6"
    & skf21("7","3","1","5","2","7","5","1") = "6"
    & skf21("7","3","1","5","2","7","6","1") = "6"
    & skf21("7","3","1","5","2","7","7","1") = "6"
    & skf21("7","3","1","5","3","1","1","1") = "6"
    & skf21("7","3","1","5","3","1","2","1") = "6"
    & skf21("7","3","1","5","3","1","3","1") = "6"
    & skf21("7","3","1","5","3","1","4","1") = "6"
    & skf21("7","3","1","5","3","1","5","1") = "6"
    & skf21("7","3","1","5","3","1","6","1") = "6"
    & skf21("7","3","1","5","3","1","7","1") = "6"
    & skf21("7","3","1","5","3","2","1","1") = "6"
    & skf21("7","3","1","5","3","2","2","1") = "6"
    & skf21("7","3","1","5","3","2","3","1") = "6"
    & skf21("7","3","1","5","3","2","4","1") = "6"
    & skf21("7","3","1","5","3","2","5","1") = "6"
    & skf21("7","3","1","5","3","2","6","1") = "6"
    & skf21("7","3","1","5","3","2","7","1") = "6"
    & skf21("7","3","1","5","3","3","1","1") = "6"
    & skf21("7","3","1","5","3","3","2","1") = "6"
    & skf21("7","3","1","5","3","3","3","1") = "6"
    & skf21("7","3","1","5","3","3","4","1") = "6"
    & skf21("7","3","1","5","3","3","5","1") = "6"
    & skf21("7","3","1","5","3","3","6","1") = "6"
    & skf21("7","3","1","5","3","3","7","1") = "6"
    & skf21("7","3","1","5","3","4","1","1") = "6"
    & skf21("7","3","1","5","3","4","2","1") = "6"
    & skf21("7","3","1","5","3","4","3","1") = "6"
    & skf21("7","3","1","5","3","4","4","1") = "6"
    & skf21("7","3","1","5","3","4","5","1") = "6"
    & skf21("7","3","1","5","3","4","6","1") = "6"
    & skf21("7","3","1","5","3","4","7","1") = "6"
    & skf21("7","3","1","5","3","5","1","1") = "6"
    & skf21("7","3","1","5","3","5","2","1") = "6"
    & skf21("7","3","1","5","3","5","3","1") = "6"
    & skf21("7","3","1","5","3","5","4","1") = "6"
    & skf21("7","3","1","5","3","5","5","1") = "6"
    & skf21("7","3","1","5","3","5","6","1") = "6"
    & skf21("7","3","1","5","3","5","7","1") = "6"
    & skf21("7","3","1","5","3","6","1","1") = "6"
    & skf21("7","3","1","5","3","6","2","1") = "6"
    & skf21("7","3","1","5","3","6","3","1") = "6"
    & skf21("7","3","1","5","3","6","4","1") = "6"
    & skf21("7","3","1","5","3","6","5","1") = "6"
    & skf21("7","3","1","5","3","6","6","1") = "6"
    & skf21("7","3","1","5","3","6","7","1") = "6"
    & skf21("7","3","1","5","3","7","1","1") = "6"
    & skf21("7","3","1","5","3","7","2","1") = "6"
    & skf21("7","3","1","5","3","7","3","1") = "6"
    & skf21("7","3","1","5","3","7","4","1") = "6"
    & skf21("7","3","1","5","3","7","5","1") = "6"
    & skf21("7","3","1","5","3","7","6","1") = "6"
    & skf21("7","3","1","5","3","7","7","1") = "6"
    & skf21("7","3","1","5","4","1","1","1") = "6"
    & skf21("7","3","1","5","4","1","2","1") = "6"
    & skf21("7","3","1","5","4","1","3","1") = "6"
    & skf21("7","3","1","5","4","1","4","1") = "6"
    & skf21("7","3","1","5","4","1","5","1") = "6"
    & skf21("7","3","1","5","4","1","6","1") = "6"
    & skf21("7","3","1","5","4","1","7","1") = "6"
    & skf21("7","3","1","5","4","2","1","1") = "6"
    & skf21("7","3","1","5","4","2","2","1") = "6"
    & skf21("7","3","1","5","4","2","3","1") = "6"
    & skf21("7","3","1","5","4","2","4","1") = "6"
    & skf21("7","3","1","5","4","2","5","1") = "6"
    & skf21("7","3","1","5","4","2","6","1") = "6"
    & skf21("7","3","1","5","4","2","7","1") = "6"
    & skf21("7","3","1","5","4","3","1","1") = "6"
    & skf21("7","3","1","5","4","3","2","1") = "6"
    & skf21("7","3","1","5","4","3","3","1") = "6"
    & skf21("7","3","1","5","4","3","4","1") = "6"
    & skf21("7","3","1","5","4","3","5","1") = "6"
    & skf21("7","3","1","5","4","3","6","1") = "6"
    & skf21("7","3","1","5","4","3","7","1") = "6"
    & skf21("7","3","1","5","4","4","1","1") = "6"
    & skf21("7","3","1","5","4","4","2","1") = "6"
    & skf21("7","3","1","5","4","4","3","1") = "6"
    & skf21("7","3","1","5","4","4","4","1") = "6"
    & skf21("7","3","1","5","4","4","5","1") = "6"
    & skf21("7","3","1","5","4","4","6","1") = "6"
    & skf21("7","3","1","5","4","4","7","1") = "6"
    & skf21("7","3","1","5","4","5","1","1") = "6"
    & skf21("7","3","1","5","4","5","2","1") = "6"
    & skf21("7","3","1","5","4","5","3","1") = "6"
    & skf21("7","3","1","5","4","5","4","1") = "6"
    & skf21("7","3","1","5","4","5","5","1") = "6"
    & skf21("7","3","1","5","4","5","6","1") = "6"
    & skf21("7","3","1","5","4","5","7","1") = "6"
    & skf21("7","3","1","5","4","6","1","1") = "6"
    & skf21("7","3","1","5","4","6","2","1") = "6"
    & skf21("7","3","1","5","4","6","3","1") = "6"
    & skf21("7","3","1","5","4","6","4","1") = "6"
    & skf21("7","3","1","5","4","6","5","1") = "6"
    & skf21("7","3","1","5","4","6","6","1") = "6"
    & skf21("7","3","1","5","4","6","7","1") = "6"
    & skf21("7","3","1","5","4","7","1","1") = "6"
    & skf21("7","3","1","5","4","7","2","1") = "6"
    & skf21("7","3","1","5","4","7","3","1") = "6"
    & skf21("7","3","1","5","4","7","4","1") = "6"
    & skf21("7","3","1","5","4","7","5","1") = "6"
    & skf21("7","3","1","5","4","7","6","1") = "6"
    & skf21("7","3","1","5","4","7","7","1") = "6"
    & skf21("7","3","1","5","5","1","1","1") = "6"
    & skf21("7","3","1","5","5","1","2","1") = "6"
    & skf21("7","3","1","5","5","1","3","1") = "6"
    & skf21("7","3","1","5","5","1","4","1") = "6"
    & skf21("7","3","1","5","5","1","5","1") = "6"
    & skf21("7","3","1","5","5","1","6","1") = "6"
    & skf21("7","3","1","5","5","1","7","1") = "6"
    & skf21("7","3","1","5","5","2","1","1") = "6"
    & skf21("7","3","1","5","5","2","2","1") = "6"
    & skf21("7","3","1","5","5","2","3","1") = "6"
    & skf21("7","3","1","5","5","2","4","1") = "6"
    & skf21("7","3","1","5","5","2","5","1") = "6"
    & skf21("7","3","1","5","5","2","6","1") = "6"
    & skf21("7","3","1","5","5","2","7","1") = "6"
    & skf21("7","3","1","5","5","3","1","1") = "6"
    & skf21("7","3","1","5","5","3","2","1") = "6"
    & skf21("7","3","1","5","5","3","3","1") = "6"
    & skf21("7","3","1","5","5","3","4","1") = "6"
    & skf21("7","3","1","5","5","3","5","1") = "6"
    & skf21("7","3","1","5","5","3","6","1") = "6"
    & skf21("7","3","1","5","5","3","7","1") = "6"
    & skf21("7","3","1","5","5","4","1","1") = "6"
    & skf21("7","3","1","5","5","4","2","1") = "6"
    & skf21("7","3","1","5","5","4","3","1") = "6"
    & skf21("7","3","1","5","5","4","4","1") = "6"
    & skf21("7","3","1","5","5","4","5","1") = "6"
    & skf21("7","3","1","5","5","4","6","1") = "6"
    & skf21("7","3","1","5","5","4","7","1") = "6"
    & skf21("7","3","1","5","5","5","1","1") = "6"
    & skf21("7","3","1","5","5","5","2","1") = "6"
    & skf21("7","3","1","5","5","5","3","1") = "6"
    & skf21("7","3","1","5","5","5","4","1") = "6"
    & skf21("7","3","1","5","5","5","5","1") = "6"
    & skf21("7","3","1","5","5","5","6","1") = "6"
    & skf21("7","3","1","5","5","5","7","1") = "6"
    & skf21("7","3","1","5","5","6","1","1") = "6"
    & skf21("7","3","1","5","5","6","2","1") = "6"
    & skf21("7","3","1","5","5","6","3","1") = "6"
    & skf21("7","3","1","5","5","6","4","1") = "6"
    & skf21("7","3","1","5","5","6","5","1") = "6"
    & skf21("7","3","1","5","5","6","6","1") = "6"
    & skf21("7","3","1","5","5","6","7","1") = "6"
    & skf21("7","3","1","5","5","7","1","1") = "6"
    & skf21("7","3","1","5","5","7","2","1") = "6"
    & skf21("7","3","1","5","5","7","3","1") = "6"
    & skf21("7","3","1","5","5","7","4","1") = "6"
    & skf21("7","3","1","5","5","7","5","1") = "6"
    & skf21("7","3","1","5","5","7","6","1") = "6"
    & skf21("7","3","1","5","5","7","7","1") = "6"
    & skf21("7","3","1","5","6","1","1","1") = "6"
    & skf21("7","3","1","5","6","1","2","1") = "6"
    & skf21("7","3","1","5","6","1","3","1") = "6"
    & skf21("7","3","1","5","6","1","4","1") = "6"
    & skf21("7","3","1","5","6","1","5","1") = "6"
    & skf21("7","3","1","5","6","1","6","1") = "6"
    & skf21("7","3","1","5","6","1","7","1") = "6"
    & skf21("7","3","1","5","6","2","1","1") = "6"
    & skf21("7","3","1","5","6","2","2","1") = "6"
    & skf21("7","3","1","5","6","2","3","1") = "6"
    & skf21("7","3","1","5","6","2","4","1") = "6"
    & skf21("7","3","1","5","6","2","5","1") = "6"
    & skf21("7","3","1","5","6","2","6","1") = "6"
    & skf21("7","3","1","5","6","2","7","1") = "6"
    & skf21("7","3","1","5","6","3","1","1") = "6"
    & skf21("7","3","1","5","6","3","2","1") = "6"
    & skf21("7","3","1","5","6","3","3","1") = "6"
    & skf21("7","3","1","5","6","3","4","1") = "6"
    & skf21("7","3","1","5","6","3","5","1") = "6"
    & skf21("7","3","1","5","6","3","6","1") = "6"
    & skf21("7","3","1","5","6","3","7","1") = "6"
    & skf21("7","3","1","5","6","4","1","1") = "6"
    & skf21("7","3","1","5","6","4","2","1") = "6"
    & skf21("7","3","1","5","6","4","3","1") = "6"
    & skf21("7","3","1","5","6","4","4","1") = "6"
    & skf21("7","3","1","5","6","4","5","1") = "6"
    & skf21("7","3","1","5","6","4","6","1") = "6"
    & skf21("7","3","1","5","6","4","7","1") = "6"
    & skf21("7","3","1","5","6","5","1","1") = "6"
    & skf21("7","3","1","5","6","5","2","1") = "6"
    & skf21("7","3","1","5","6","5","3","1") = "6"
    & skf21("7","3","1","5","6","5","4","1") = "6"
    & skf21("7","3","1","5","6","5","5","1") = "6"
    & skf21("7","3","1","5","6","5","6","1") = "6"
    & skf21("7","3","1","5","6","5","7","1") = "6"
    & skf21("7","3","1","5","6","6","1","1") = "6"
    & skf21("7","3","1","5","6","6","2","1") = "6"
    & skf21("7","3","1","5","6","6","3","1") = "6"
    & skf21("7","3","1","5","6","6","4","1") = "6"
    & skf21("7","3","1","5","6","6","5","1") = "6"
    & skf21("7","3","1","5","6","6","6","1") = "6"
    & skf21("7","3","1","5","6","6","7","1") = "6"
    & skf21("7","3","1","5","6","7","1","1") = "6"
    & skf21("7","3","1","5","6","7","2","1") = "6"
    & skf21("7","3","1","5","6","7","3","1") = "6"
    & skf21("7","3","1","5","6","7","4","1") = "6"
    & skf21("7","3","1","5","6","7","5","1") = "6"
    & skf21("7","3","1","5","6","7","6","1") = "6"
    & skf21("7","3","1","5","6","7","7","1") = "6"
    & skf21("7","3","1","5","7","1","1","1") = "6"
    & skf21("7","3","1","5","7","1","2","1") = "6"
    & skf21("7","3","1","5","7","1","3","1") = "6"
    & skf21("7","3","1","5","7","1","4","1") = "6"
    & skf21("7","3","1","5","7","1","5","1") = "6"
    & skf21("7","3","1","5","7","1","6","1") = "6"
    & skf21("7","3","1","5","7","1","7","1") = "6"
    & skf21("7","3","1","5","7","2","1","1") = "6"
    & skf21("7","3","1","5","7","2","2","1") = "6"
    & skf21("7","3","1","5","7","2","3","1") = "6"
    & skf21("7","3","1","5","7","2","4","1") = "6"
    & skf21("7","3","1","5","7","2","5","1") = "6"
    & skf21("7","3","1","5","7","2","6","1") = "6"
    & skf21("7","3","1","5","7","2","7","1") = "6"
    & skf21("7","3","1","5","7","3","1","1") = "6"
    & skf21("7","3","1","5","7","3","2","1") = "6"
    & skf21("7","3","1","5","7","3","3","1") = "6"
    & skf21("7","3","1","5","7","3","4","1") = "6"
    & skf21("7","3","1","5","7","3","5","1") = "6"
    & skf21("7","3","1","5","7","3","6","1") = "6"
    & skf21("7","3","1","5","7","3","7","1") = "6"
    & skf21("7","3","1","5","7","4","1","1") = "6"
    & skf21("7","3","1","5","7","4","2","1") = "6"
    & skf21("7","3","1","5","7","4","3","1") = "6"
    & skf21("7","3","1","5","7","4","4","1") = "6"
    & skf21("7","3","1","5","7","4","5","1") = "6"
    & skf21("7","3","1","5","7","4","6","1") = "6"
    & skf21("7","3","1","5","7","4","7","1") = "6"
    & skf21("7","3","1","5","7","5","1","1") = "6"
    & skf21("7","3","1","5","7","5","2","1") = "6"
    & skf21("7","3","1","5","7","5","3","1") = "6"
    & skf21("7","3","1","5","7","5","4","1") = "6"
    & skf21("7","3","1","5","7","5","5","1") = "6"
    & skf21("7","3","1","5","7","5","6","1") = "6"
    & skf21("7","3","1","5","7","5","7","1") = "6"
    & skf21("7","3","1","5","7","6","1","1") = "6"
    & skf21("7","3","1","5","7","6","2","1") = "6"
    & skf21("7","3","1","5","7","6","3","1") = "6"
    & skf21("7","3","1","5","7","6","4","1") = "6"
    & skf21("7","3","1","5","7","6","5","1") = "6"
    & skf21("7","3","1","5","7","6","6","1") = "6"
    & skf21("7","3","1","5","7","6","7","1") = "6"
    & skf21("7","3","1","5","7","7","1","1") = "6"
    & skf21("7","3","1","5","7","7","2","1") = "6"
    & skf21("7","3","1","5","7","7","3","1") = "6"
    & skf21("7","3","1","5","7","7","4","1") = "6"
    & skf21("7","3","1","5","7","7","5","1") = "6"
    & skf21("7","3","1","5","7","7","6","1") = "6"
    & skf21("7","3","1","5","7","7","7","1") = "6"
    & skf21("7","3","1","6","1","1","1","1") = "6"
    & skf21("7","3","1","6","1","1","2","1") = "6"
    & skf21("7","3","1","6","1","1","3","1") = "6"
    & skf21("7","3","1","6","1","1","4","1") = "6"
    & skf21("7","3","1","6","1","1","5","1") = "6"
    & skf21("7","3","1","6","1","1","6","1") = "6"
    & skf21("7","3","1","6","1","1","7","1") = "6"
    & skf21("7","3","1","6","1","2","1","1") = "6"
    & skf21("7","3","1","6","1","2","2","1") = "6"
    & skf21("7","3","1","6","1","2","3","1") = "6"
    & skf21("7","3","1","6","1","2","4","1") = "6"
    & skf21("7","3","1","6","1","2","5","1") = "6"
    & skf21("7","3","1","6","1","2","6","1") = "6"
    & skf21("7","3","1","6","1","2","7","1") = "6"
    & skf21("7","3","1","6","1","3","1","1") = "6"
    & skf21("7","3","1","6","1","3","2","1") = "6"
    & skf21("7","3","1","6","1","3","3","1") = "6"
    & skf21("7","3","1","6","1","3","4","1") = "6"
    & skf21("7","3","1","6","1","3","5","1") = "6"
    & skf21("7","3","1","6","1","3","6","1") = "6"
    & skf21("7","3","1","6","1","3","7","1") = "6"
    & skf21("7","3","1","6","1","4","1","1") = "6"
    & skf21("7","3","1","6","1","4","2","1") = "6"
    & skf21("7","3","1","6","1","4","3","1") = "6"
    & skf21("7","3","1","6","1","4","4","1") = "6"
    & skf21("7","3","1","6","1","4","5","1") = "6"
    & skf21("7","3","1","6","1","4","6","1") = "6"
    & skf21("7","3","1","6","1","4","7","1") = "6"
    & skf21("7","3","1","6","1","5","1","1") = "6"
    & skf21("7","3","1","6","1","5","2","1") = "6"
    & skf21("7","3","1","6","1","5","3","1") = "6"
    & skf21("7","3","1","6","1","5","4","1") = "6"
    & skf21("7","3","1","6","1","5","5","1") = "6"
    & skf21("7","3","1","6","1","5","6","1") = "6"
    & skf21("7","3","1","6","1","5","7","1") = "6"
    & skf21("7","3","1","6","1","6","1","1") = "6"
    & skf21("7","3","1","6","1","6","2","1") = "6"
    & skf21("7","3","1","6","1","6","3","1") = "6"
    & skf21("7","3","1","6","1","6","4","1") = "6"
    & skf21("7","3","1","6","1","6","5","1") = "6"
    & skf21("7","3","1","6","1","6","6","1") = "6"
    & skf21("7","3","1","6","1","6","7","1") = "6"
    & skf21("7","3","1","6","1","7","1","1") = "6"
    & skf21("7","3","1","6","1","7","2","1") = "6"
    & skf21("7","3","1","6","1","7","3","1") = "6"
    & skf21("7","3","1","6","1","7","4","1") = "6"
    & skf21("7","3","1","6","1","7","5","1") = "6"
    & skf21("7","3","1","6","1","7","6","1") = "6"
    & skf21("7","3","1","6","1","7","7","1") = "6"
    & skf21("7","3","1","6","2","1","1","1") = "6"
    & skf21("7","3","1","6","2","1","2","1") = "6"
    & skf21("7","3","1","6","2","1","3","1") = "6"
    & skf21("7","3","1","6","2","1","4","1") = "6"
    & skf21("7","3","1","6","2","1","5","1") = "6"
    & skf21("7","3","1","6","2","1","6","1") = "6"
    & skf21("7","3","1","6","2","1","7","1") = "6"
    & skf21("7","3","1","6","2","2","1","1") = "6"
    & skf21("7","3","1","6","2","2","2","1") = "6"
    & skf21("7","3","1","6","2","2","3","1") = "6"
    & skf21("7","3","1","6","2","2","4","1") = "6"
    & skf21("7","3","1","6","2","2","5","1") = "6"
    & skf21("7","3","1","6","2","2","6","1") = "6"
    & skf21("7","3","1","6","2","2","7","1") = "6"
    & skf21("7","3","1","6","2","3","1","1") = "6"
    & skf21("7","3","1","6","2","3","2","1") = "6"
    & skf21("7","3","1","6","2","3","3","1") = "6"
    & skf21("7","3","1","6","2","3","4","1") = "6"
    & skf21("7","3","1","6","2","3","5","1") = "6"
    & skf21("7","3","1","6","2","3","6","1") = "6"
    & skf21("7","3","1","6","2","3","7","1") = "6"
    & skf21("7","3","1","6","2","4","1","1") = "6"
    & skf21("7","3","1","6","2","4","2","1") = "6"
    & skf21("7","3","1","6","2","4","3","1") = "6"
    & skf21("7","3","1","6","2","4","4","1") = "6"
    & skf21("7","3","1","6","2","4","5","1") = "6"
    & skf21("7","3","1","6","2","4","6","1") = "6"
    & skf21("7","3","1","6","2","4","7","1") = "6"
    & skf21("7","3","1","6","2","5","1","1") = "6"
    & skf21("7","3","1","6","2","5","2","1") = "6"
    & skf21("7","3","1","6","2","5","3","1") = "6"
    & skf21("7","3","1","6","2","5","4","1") = "6"
    & skf21("7","3","1","6","2","5","5","1") = "6"
    & skf21("7","3","1","6","2","5","6","1") = "6"
    & skf21("7","3","1","6","2","5","7","1") = "6"
    & skf21("7","3","1","6","2","6","1","1") = "6"
    & skf21("7","3","1","6","2","6","2","1") = "6"
    & skf21("7","3","1","6","2","6","3","1") = "6"
    & skf21("7","3","1","6","2","6","4","1") = "6"
    & skf21("7","3","1","6","2","6","5","1") = "6"
    & skf21("7","3","1","6","2","6","6","1") = "6"
    & skf21("7","3","1","6","2","6","7","1") = "6"
    & skf21("7","3","1","6","2","7","1","1") = "6"
    & skf21("7","3","1","6","2","7","2","1") = "6"
    & skf21("7","3","1","6","2","7","3","1") = "6"
    & skf21("7","3","1","6","2","7","4","1") = "6"
    & skf21("7","3","1","6","2","7","5","1") = "6"
    & skf21("7","3","1","6","2","7","6","1") = "6"
    & skf21("7","3","1","6","2","7","7","1") = "6"
    & skf21("7","3","1","6","3","1","1","1") = "6"
    & skf21("7","3","1","6","3","1","2","1") = "6"
    & skf21("7","3","1","6","3","1","3","1") = "6"
    & skf21("7","3","1","6","3","1","4","1") = "6"
    & skf21("7","3","1","6","3","1","5","1") = "6"
    & skf21("7","3","1","6","3","1","6","1") = "6"
    & skf21("7","3","1","6","3","1","7","1") = "6"
    & skf21("7","3","1","6","3","2","1","1") = "6"
    & skf21("7","3","1","6","3","2","2","1") = "6"
    & skf21("7","3","1","6","3","2","3","1") = "6"
    & skf21("7","3","1","6","3","2","4","1") = "6"
    & skf21("7","3","1","6","3","2","5","1") = "6"
    & skf21("7","3","1","6","3","2","6","1") = "6"
    & skf21("7","3","1","6","3","2","7","1") = "6"
    & skf21("7","3","1","6","3","3","1","1") = "6"
    & skf21("7","3","1","6","3","3","2","1") = "6"
    & skf21("7","3","1","6","3","3","3","1") = "6"
    & skf21("7","3","1","6","3","3","4","1") = "6"
    & skf21("7","3","1","6","3","3","5","1") = "6"
    & skf21("7","3","1","6","3","3","6","1") = "6"
    & skf21("7","3","1","6","3","3","7","1") = "6"
    & skf21("7","3","1","6","3","4","1","1") = "6"
    & skf21("7","3","1","6","3","4","2","1") = "6"
    & skf21("7","3","1","6","3","4","3","1") = "6"
    & skf21("7","3","1","6","3","4","4","1") = "6"
    & skf21("7","3","1","6","3","4","5","1") = "6"
    & skf21("7","3","1","6","3","4","6","1") = "6"
    & skf21("7","3","1","6","3","4","7","1") = "6"
    & skf21("7","3","1","6","3","5","1","1") = "6"
    & skf21("7","3","1","6","3","5","2","1") = "6"
    & skf21("7","3","1","6","3","5","3","1") = "6"
    & skf21("7","3","1","6","3","5","4","1") = "6"
    & skf21("7","3","1","6","3","5","5","1") = "6"
    & skf21("7","3","1","6","3","5","6","1") = "6"
    & skf21("7","3","1","6","3","5","7","1") = "6"
    & skf21("7","3","1","6","3","6","1","1") = "6"
    & skf21("7","3","1","6","3","6","2","1") = "6"
    & skf21("7","3","1","6","3","6","3","1") = "6"
    & skf21("7","3","1","6","3","6","4","1") = "6"
    & skf21("7","3","1","6","3","6","5","1") = "6"
    & skf21("7","3","1","6","3","6","6","1") = "6"
    & skf21("7","3","1","6","3","6","7","1") = "6"
    & skf21("7","3","1","6","3","7","1","1") = "6"
    & skf21("7","3","1","6","3","7","2","1") = "6"
    & skf21("7","3","1","6","3","7","3","1") = "6"
    & skf21("7","3","1","6","3","7","4","1") = "6"
    & skf21("7","3","1","6","3","7","5","1") = "6"
    & skf21("7","3","1","6","3","7","6","1") = "6"
    & skf21("7","3","1","6","3","7","7","1") = "6"
    & skf21("7","3","1","6","4","1","1","1") = "6"
    & skf21("7","3","1","6","4","1","2","1") = "6"
    & skf21("7","3","1","6","4","1","3","1") = "6"
    & skf21("7","3","1","6","4","1","4","1") = "6"
    & skf21("7","3","1","6","4","1","5","1") = "6"
    & skf21("7","3","1","6","4","1","6","1") = "6"
    & skf21("7","3","1","6","4","1","7","1") = "6"
    & skf21("7","3","1","6","4","2","1","1") = "6"
    & skf21("7","3","1","6","4","2","2","1") = "6"
    & skf21("7","3","1","6","4","2","3","1") = "6"
    & skf21("7","3","1","6","4","2","4","1") = "6"
    & skf21("7","3","1","6","4","2","5","1") = "6"
    & skf21("7","3","1","6","4","2","6","1") = "6"
    & skf21("7","3","1","6","4","2","7","1") = "6"
    & skf21("7","3","1","6","4","3","1","1") = "6"
    & skf21("7","3","1","6","4","3","2","1") = "6"
    & skf21("7","3","1","6","4","3","3","1") = "6"
    & skf21("7","3","1","6","4","3","4","1") = "6"
    & skf21("7","3","1","6","4","3","5","1") = "6"
    & skf21("7","3","1","6","4","3","6","1") = "6"
    & skf21("7","3","1","6","4","3","7","1") = "6"
    & skf21("7","3","1","6","4","4","1","1") = "6"
    & skf21("7","3","1","6","4","4","2","1") = "6"
    & skf21("7","3","1","6","4","4","3","1") = "6"
    & skf21("7","3","1","6","4","4","4","1") = "6"
    & skf21("7","3","1","6","4","4","5","1") = "6"
    & skf21("7","3","1","6","4","4","6","1") = "6"
    & skf21("7","3","1","6","4","4","7","1") = "6"
    & skf21("7","3","1","6","4","5","1","1") = "6"
    & skf21("7","3","1","6","4","5","2","1") = "6"
    & skf21("7","3","1","6","4","5","3","1") = "6"
    & skf21("7","3","1","6","4","5","4","1") = "6"
    & skf21("7","3","1","6","4","5","5","1") = "6"
    & skf21("7","3","1","6","4","5","6","1") = "6"
    & skf21("7","3","1","6","4","5","7","1") = "6"
    & skf21("7","3","1","6","4","6","1","1") = "6"
    & skf21("7","3","1","6","4","6","2","1") = "6"
    & skf21("7","3","1","6","4","6","3","1") = "6"
    & skf21("7","3","1","6","4","6","4","1") = "6"
    & skf21("7","3","1","6","4","6","5","1") = "6"
    & skf21("7","3","1","6","4","6","6","1") = "6"
    & skf21("7","3","1","6","4","6","7","1") = "6"
    & skf21("7","3","1","6","4","7","1","1") = "6"
    & skf21("7","3","1","6","4","7","2","1") = "6"
    & skf21("7","3","1","6","4","7","3","1") = "6"
    & skf21("7","3","1","6","4","7","4","1") = "6"
    & skf21("7","3","1","6","4","7","5","1") = "6"
    & skf21("7","3","1","6","4","7","6","1") = "6"
    & skf21("7","3","1","6","4","7","7","1") = "6"
    & skf21("7","3","1","6","5","1","1","1") = "6"
    & skf21("7","3","1","6","5","1","2","1") = "6"
    & skf21("7","3","1","6","5","1","3","1") = "6"
    & skf21("7","3","1","6","5","1","4","1") = "6"
    & skf21("7","3","1","6","5","1","5","1") = "6"
    & skf21("7","3","1","6","5","1","6","1") = "6"
    & skf21("7","3","1","6","5","1","7","1") = "6"
    & skf21("7","3","1","6","5","2","1","1") = "6"
    & skf21("7","3","1","6","5","2","2","1") = "6"
    & skf21("7","3","1","6","5","2","3","1") = "6"
    & skf21("7","3","1","6","5","2","4","1") = "6"
    & skf21("7","3","1","6","5","2","5","1") = "6"
    & skf21("7","3","1","6","5","2","6","1") = "6"
    & skf21("7","3","1","6","5","2","7","1") = "6"
    & skf21("7","3","1","6","5","3","1","1") = "6"
    & skf21("7","3","1","6","5","3","2","1") = "6"
    & skf21("7","3","1","6","5","3","3","1") = "6"
    & skf21("7","3","1","6","5","3","4","1") = "6"
    & skf21("7","3","1","6","5","3","5","1") = "6"
    & skf21("7","3","1","6","5","3","6","1") = "6"
    & skf21("7","3","1","6","5","3","7","1") = "6"
    & skf21("7","3","1","6","5","4","1","1") = "6"
    & skf21("7","3","1","6","5","4","2","1") = "6"
    & skf21("7","3","1","6","5","4","3","1") = "6"
    & skf21("7","3","1","6","5","4","4","1") = "6"
    & skf21("7","3","1","6","5","4","5","1") = "6"
    & skf21("7","3","1","6","5","4","6","1") = "6"
    & skf21("7","3","1","6","5","4","7","1") = "6"
    & skf21("7","3","1","6","5","5","1","1") = "6"
    & skf21("7","3","1","6","5","5","2","1") = "6"
    & skf21("7","3","1","6","5","5","3","1") = "6"
    & skf21("7","3","1","6","5","5","4","1") = "6"
    & skf21("7","3","1","6","5","5","5","1") = "6"
    & skf21("7","3","1","6","5","5","6","1") = "6"
    & skf21("7","3","1","6","5","5","7","1") = "6"
    & skf21("7","3","1","6","5","6","1","1") = "6"
    & skf21("7","3","1","6","5","6","2","1") = "6"
    & skf21("7","3","1","6","5","6","3","1") = "6"
    & skf21("7","3","1","6","5","6","4","1") = "6"
    & skf21("7","3","1","6","5","6","5","1") = "6"
    & skf21("7","3","1","6","5","6","6","1") = "6"
    & skf21("7","3","1","6","5","6","7","1") = "6"
    & skf21("7","3","1","6","5","7","1","1") = "6"
    & skf21("7","3","1","6","5","7","2","1") = "6"
    & skf21("7","3","1","6","5","7","3","1") = "6"
    & skf21("7","3","1","6","5","7","4","1") = "6"
    & skf21("7","3","1","6","5","7","5","1") = "6"
    & skf21("7","3","1","6","5","7","6","1") = "6"
    & skf21("7","3","1","6","5","7","7","1") = "6"
    & skf21("7","3","1","6","6","1","1","1") = "6"
    & skf21("7","3","1","6","6","1","2","1") = "6"
    & skf21("7","3","1","6","6","1","3","1") = "6"
    & skf21("7","3","1","6","6","1","4","1") = "6"
    & skf21("7","3","1","6","6","1","5","1") = "6"
    & skf21("7","3","1","6","6","1","6","1") = "6"
    & skf21("7","3","1","6","6","1","7","1") = "6"
    & skf21("7","3","1","6","6","2","1","1") = "6"
    & skf21("7","3","1","6","6","2","2","1") = "6"
    & skf21("7","3","1","6","6","2","3","1") = "6"
    & skf21("7","3","1","6","6","2","4","1") = "6"
    & skf21("7","3","1","6","6","2","5","1") = "6"
    & skf21("7","3","1","6","6","2","6","1") = "6"
    & skf21("7","3","1","6","6","2","7","1") = "6"
    & skf21("7","3","1","6","6","3","1","1") = "6"
    & skf21("7","3","1","6","6","3","2","1") = "6"
    & skf21("7","3","1","6","6","3","3","1") = "6"
    & skf21("7","3","1","6","6","3","4","1") = "6"
    & skf21("7","3","1","6","6","3","5","1") = "6"
    & skf21("7","3","1","6","6","3","6","1") = "6"
    & skf21("7","3","1","6","6","3","7","1") = "6"
    & skf21("7","3","1","6","6","4","1","1") = "6"
    & skf21("7","3","1","6","6","4","2","1") = "6"
    & skf21("7","3","1","6","6","4","3","1") = "6"
    & skf21("7","3","1","6","6","4","4","1") = "6"
    & skf21("7","3","1","6","6","4","5","1") = "6"
    & skf21("7","3","1","6","6","4","6","1") = "6"
    & skf21("7","3","1","6","6","4","7","1") = "6"
    & skf21("7","3","1","6","6","5","1","1") = "6"
    & skf21("7","3","1","6","6","5","2","1") = "6"
    & skf21("7","3","1","6","6","5","3","1") = "6"
    & skf21("7","3","1","6","6","5","4","1") = "6"
    & skf21("7","3","1","6","6","5","5","1") = "6"
    & skf21("7","3","1","6","6","5","6","1") = "6"
    & skf21("7","3","1","6","6","5","7","1") = "6"
    & skf21("7","3","1","6","6","6","1","1") = "6"
    & skf21("7","3","1","6","6","6","2","1") = "6"
    & skf21("7","3","1","6","6","6","3","1") = "6"
    & skf21("7","3","1","6","6","6","4","1") = "6"
    & skf21("7","3","1","6","6","6","5","1") = "6"
    & skf21("7","3","1","6","6","6","6","1") = "6"
    & skf21("7","3","1","6","6","6","7","1") = "6"
    & skf21("7","3","1","6","6","7","1","1") = "6"
    & skf21("7","3","1","6","6","7","2","1") = "6"
    & skf21("7","3","1","6","6","7","3","1") = "6"
    & skf21("7","3","1","6","6","7","4","1") = "6"
    & skf21("7","3","1","6","6","7","5","1") = "6"
    & skf21("7","3","1","6","6","7","6","1") = "6"
    & skf21("7","3","1","6","6","7","7","1") = "6"
    & skf21("7","3","1","6","7","1","1","1") = "6"
    & skf21("7","3","1","6","7","1","2","1") = "6"
    & skf21("7","3","1","6","7","1","3","1") = "6"
    & skf21("7","3","1","6","7","1","4","1") = "6"
    & skf21("7","3","1","6","7","1","5","1") = "6"
    & skf21("7","3","1","6","7","1","6","1") = "6"
    & skf21("7","3","1","6","7","1","7","1") = "6"
    & skf21("7","3","1","6","7","2","1","1") = "6"
    & skf21("7","3","1","6","7","2","2","1") = "6"
    & skf21("7","3","1","6","7","2","3","1") = "6"
    & skf21("7","3","1","6","7","2","4","1") = "6"
    & skf21("7","3","1","6","7","2","5","1") = "6"
    & skf21("7","3","1","6","7","2","6","1") = "6"
    & skf21("7","3","1","6","7","2","7","1") = "6"
    & skf21("7","3","1","6","7","3","1","1") = "6"
    & skf21("7","3","1","6","7","3","2","1") = "6"
    & skf21("7","3","1","6","7","3","3","1") = "6"
    & skf21("7","3","1","6","7","3","4","1") = "6"
    & skf21("7","3","1","6","7","3","5","1") = "6"
    & skf21("7","3","1","6","7","3","6","1") = "6"
    & skf21("7","3","1","6","7","3","7","1") = "6"
    & skf21("7","3","1","6","7","4","1","1") = "6"
    & skf21("7","3","1","6","7","4","2","1") = "6"
    & skf21("7","3","1","6","7","4","3","1") = "6"
    & skf21("7","3","1","6","7","4","4","1") = "6"
    & skf21("7","3","1","6","7","4","5","1") = "6"
    & skf21("7","3","1","6","7","4","6","1") = "6"
    & skf21("7","3","1","6","7","4","7","1") = "6"
    & skf21("7","3","1","6","7","5","1","1") = "6"
    & skf21("7","3","1","6","7","5","2","1") = "6"
    & skf21("7","3","1","6","7","5","3","1") = "6"
    & skf21("7","3","1","6","7","5","4","1") = "6"
    & skf21("7","3","1","6","7","5","5","1") = "6"
    & skf21("7","3","1","6","7","5","6","1") = "6"
    & skf21("7","3","1","6","7","5","7","1") = "6"
    & skf21("7","3","1","6","7","6","1","1") = "6"
    & skf21("7","3","1","6","7","6","2","1") = "6"
    & skf21("7","3","1","6","7","6","3","1") = "6"
    & skf21("7","3","1","6","7","6","4","1") = "6"
    & skf21("7","3","1","6","7","6","5","1") = "6"
    & skf21("7","3","1","6","7","6","6","1") = "6"
    & skf21("7","3","1","6","7","6","7","1") = "6"
    & skf21("7","3","1","6","7","7","1","1") = "6"
    & skf21("7","3","1","6","7","7","2","1") = "6"
    & skf21("7","3","1","6","7","7","3","1") = "6"
    & skf21("7","3","1","6","7","7","4","1") = "6"
    & skf21("7","3","1","6","7","7","5","1") = "6"
    & skf21("7","3","1","6","7","7","6","1") = "6"
    & skf21("7","3","1","6","7","7","7","1") = "6"
    & skf21("7","3","1","7","1","1","1","1") = "6"
    & skf21("7","3","1","7","1","1","2","1") = "6"
    & skf21("7","3","1","7","1","1","3","1") = "6"
    & skf21("7","3","1","7","1","1","4","1") = "6"
    & skf21("7","3","1","7","1","1","5","1") = "6"
    & skf21("7","3","1","7","1","1","6","1") = "6"
    & skf21("7","3","1","7","1","1","7","1") = "6"
    & skf21("7","3","1","7","1","2","1","1") = "6"
    & skf21("7","3","1","7","1","2","2","1") = "6"
    & skf21("7","3","1","7","1","2","3","1") = "6"
    & skf21("7","3","1","7","1","2","4","1") = "6"
    & skf21("7","3","1","7","1","2","5","1") = "6"
    & skf21("7","3","1","7","1","2","6","1") = "6"
    & skf21("7","3","1","7","1","2","7","1") = "6"
    & skf21("7","3","1","7","1","3","1","1") = "6"
    & skf21("7","3","1","7","1","3","2","1") = "6"
    & skf21("7","3","1","7","1","3","3","1") = "6"
    & skf21("7","3","1","7","1","3","4","1") = "6"
    & skf21("7","3","1","7","1","3","5","1") = "6"
    & skf21("7","3","1","7","1","3","6","1") = "6"
    & skf21("7","3","1","7","1","3","7","1") = "6"
    & skf21("7","3","1","7","1","4","1","1") = "6"
    & skf21("7","3","1","7","1","4","2","1") = "6"
    & skf21("7","3","1","7","1","4","3","1") = "6"
    & skf21("7","3","1","7","1","4","4","1") = "6"
    & skf21("7","3","1","7","1","4","5","1") = "6"
    & skf21("7","3","1","7","1","4","6","1") = "6"
    & skf21("7","3","1","7","1","4","7","1") = "6"
    & skf21("7","3","1","7","1","5","1","1") = "6"
    & skf21("7","3","1","7","1","5","2","1") = "6"
    & skf21("7","3","1","7","1","5","3","1") = "6"
    & skf21("7","3","1","7","1","5","4","1") = "6"
    & skf21("7","3","1","7","1","5","5","1") = "6"
    & skf21("7","3","1","7","1","5","6","1") = "6"
    & skf21("7","3","1","7","1","5","7","1") = "6"
    & skf21("7","3","1","7","1","6","1","1") = "6"
    & skf21("7","3","1","7","1","6","2","1") = "6"
    & skf21("7","3","1","7","1","6","3","1") = "6"
    & skf21("7","3","1","7","1","6","4","1") = "6"
    & skf21("7","3","1","7","1","6","5","1") = "6"
    & skf21("7","3","1","7","1","6","6","1") = "6"
    & skf21("7","3","1","7","1","6","7","1") = "6"
    & skf21("7","3","1","7","1","7","1","1") = "6"
    & skf21("7","3","1","7","1","7","2","1") = "6"
    & skf21("7","3","1","7","1","7","3","1") = "6"
    & skf21("7","3","1","7","1","7","4","1") = "6"
    & skf21("7","3","1","7","1","7","5","1") = "6"
    & skf21("7","3","1","7","1","7","6","1") = "6"
    & skf21("7","3","1","7","1","7","7","1") = "6"
    & skf21("7","3","1","7","2","1","1","1") = "6"
    & skf21("7","3","1","7","2","1","2","1") = "6"
    & skf21("7","3","1","7","2","1","3","1") = "6"
    & skf21("7","3","1","7","2","1","4","1") = "6"
    & skf21("7","3","1","7","2","1","5","1") = "6"
    & skf21("7","3","1","7","2","1","6","1") = "6"
    & skf21("7","3","1","7","2","1","7","1") = "6"
    & skf21("7","3","1","7","2","2","1","1") = "6"
    & skf21("7","3","1","7","2","2","2","1") = "6"
    & skf21("7","3","1","7","2","2","3","1") = "6"
    & skf21("7","3","1","7","2","2","4","1") = "6"
    & skf21("7","3","1","7","2","2","5","1") = "6"
    & skf21("7","3","1","7","2","2","6","1") = "6"
    & skf21("7","3","1","7","2","2","7","1") = "6"
    & skf21("7","3","1","7","2","3","1","1") = "6"
    & skf21("7","3","1","7","2","3","2","1") = "6"
    & skf21("7","3","1","7","2","3","3","1") = "6"
    & skf21("7","3","1","7","2","3","4","1") = "6"
    & skf21("7","3","1","7","2","3","5","1") = "6"
    & skf21("7","3","1","7","2","3","6","1") = "6"
    & skf21("7","3","1","7","2","3","7","1") = "6"
    & skf21("7","3","1","7","2","4","1","1") = "6"
    & skf21("7","3","1","7","2","4","2","1") = "6"
    & skf21("7","3","1","7","2","4","3","1") = "6"
    & skf21("7","3","1","7","2","4","4","1") = "6"
    & skf21("7","3","1","7","2","4","5","1") = "6"
    & skf21("7","3","1","7","2","4","6","1") = "6"
    & skf21("7","3","1","7","2","4","7","1") = "6"
    & skf21("7","3","1","7","2","5","1","1") = "6"
    & skf21("7","3","1","7","2","5","2","1") = "6"
    & skf21("7","3","1","7","2","5","3","1") = "6"
    & skf21("7","3","1","7","2","5","4","1") = "6"
    & skf21("7","3","1","7","2","5","5","1") = "6"
    & skf21("7","3","1","7","2","5","6","1") = "6"
    & skf21("7","3","1","7","2","5","7","1") = "6"
    & skf21("7","3","1","7","2","6","1","1") = "6"
    & skf21("7","3","1","7","2","6","2","1") = "6"
    & skf21("7","3","1","7","2","6","3","1") = "6"
    & skf21("7","3","1","7","2","6","4","1") = "6"
    & skf21("7","3","1","7","2","6","5","1") = "6"
    & skf21("7","3","1","7","2","6","6","1") = "6"
    & skf21("7","3","1","7","2","6","7","1") = "6"
    & skf21("7","3","1","7","2","7","1","1") = "6"
    & skf21("7","3","1","7","2","7","2","1") = "6"
    & skf21("7","3","1","7","2","7","3","1") = "6"
    & skf21("7","3","1","7","2","7","4","1") = "6"
    & skf21("7","3","1","7","2","7","5","1") = "6"
    & skf21("7","3","1","7","2","7","6","1") = "6"
    & skf21("7","3","1","7","2","7","7","1") = "6"
    & skf21("7","3","1","7","3","1","1","1") = "6"
    & skf21("7","3","1","7","3","1","2","1") = "6"
    & skf21("7","3","1","7","3","1","3","1") = "6"
    & skf21("7","3","1","7","3","1","4","1") = "6"
    & skf21("7","3","1","7","3","1","5","1") = "6"
    & skf21("7","3","1","7","3","1","6","1") = "6"
    & skf21("7","3","1","7","3","1","7","1") = "6"
    & skf21("7","3","1","7","3","2","1","1") = "6"
    & skf21("7","3","1","7","3","2","2","1") = "6"
    & skf21("7","3","1","7","3","2","3","1") = "6"
    & skf21("7","3","1","7","3","2","4","1") = "6"
    & skf21("7","3","1","7","3","2","5","1") = "6"
    & skf21("7","3","1","7","3","2","6","1") = "6"
    & skf21("7","3","1","7","3","2","7","1") = "6"
    & skf21("7","3","1","7","3","3","1","1") = "6"
    & skf21("7","3","1","7","3","3","2","1") = "6"
    & skf21("7","3","1","7","3","3","3","1") = "6"
    & skf21("7","3","1","7","3","3","4","1") = "6"
    & skf21("7","3","1","7","3","3","5","1") = "6"
    & skf21("7","3","1","7","3","3","6","1") = "6"
    & skf21("7","3","1","7","3","3","7","1") = "6"
    & skf21("7","3","1","7","3","4","1","1") = "6"
    & skf21("7","3","1","7","3","4","2","1") = "6"
    & skf21("7","3","1","7","3","4","3","1") = "6"
    & skf21("7","3","1","7","3","4","4","1") = "6"
    & skf21("7","3","1","7","3","4","5","1") = "6"
    & skf21("7","3","1","7","3","4","6","1") = "6"
    & skf21("7","3","1","7","3","4","7","1") = "6"
    & skf21("7","3","1","7","3","5","1","1") = "6"
    & skf21("7","3","1","7","3","5","2","1") = "6"
    & skf21("7","3","1","7","3","5","3","1") = "6"
    & skf21("7","3","1","7","3","5","4","1") = "6"
    & skf21("7","3","1","7","3","5","5","1") = "6"
    & skf21("7","3","1","7","3","5","6","1") = "6"
    & skf21("7","3","1","7","3","5","7","1") = "6"
    & skf21("7","3","1","7","3","6","1","1") = "6"
    & skf21("7","3","1","7","3","6","2","1") = "6"
    & skf21("7","3","1","7","3","6","3","1") = "6"
    & skf21("7","3","1","7","3","6","4","1") = "6"
    & skf21("7","3","1","7","3","6","5","1") = "6"
    & skf21("7","3","1","7","3","6","6","1") = "6"
    & skf21("7","3","1","7","3","6","7","1") = "6"
    & skf21("7","3","1","7","3","7","1","1") = "6"
    & skf21("7","3","1","7","3","7","2","1") = "6"
    & skf21("7","3","1","7","3","7","3","1") = "6"
    & skf21("7","3","1","7","3","7","4","1") = "6"
    & skf21("7","3","1","7","3","7","5","1") = "6"
    & skf21("7","3","1","7","3","7","6","1") = "6"
    & skf21("7","3","1","7","3","7","7","1") = "6"
    & skf21("7","3","1","7","4","1","1","1") = "6"
    & skf21("7","3","1","7","4","1","2","1") = "6"
    & skf21("7","3","1","7","4","1","3","1") = "6"
    & skf21("7","3","1","7","4","1","4","1") = "6"
    & skf21("7","3","1","7","4","1","5","1") = "6"
    & skf21("7","3","1","7","4","1","6","1") = "6"
    & skf21("7","3","1","7","4","1","7","1") = "6"
    & skf21("7","3","1","7","4","2","1","1") = "6"
    & skf21("7","3","1","7","4","2","2","1") = "6"
    & skf21("7","3","1","7","4","2","3","1") = "6"
    & skf21("7","3","1","7","4","2","4","1") = "6"
    & skf21("7","3","1","7","4","2","5","1") = "6"
    & skf21("7","3","1","7","4","2","6","1") = "6"
    & skf21("7","3","1","7","4","2","7","1") = "6"
    & skf21("7","3","1","7","4","3","1","1") = "6"
    & skf21("7","3","1","7","4","3","2","1") = "6"
    & skf21("7","3","1","7","4","3","3","1") = "6"
    & skf21("7","3","1","7","4","3","4","1") = "6"
    & skf21("7","3","1","7","4","3","5","1") = "6"
    & skf21("7","3","1","7","4","3","6","1") = "6"
    & skf21("7","3","1","7","4","3","7","1") = "6"
    & skf21("7","3","1","7","4","4","1","1") = "6"
    & skf21("7","3","1","7","4","4","2","1") = "6"
    & skf21("7","3","1","7","4","4","3","1") = "6"
    & skf21("7","3","1","7","4","4","4","1") = "6"
    & skf21("7","3","1","7","4","4","5","1") = "6"
    & skf21("7","3","1","7","4","4","6","1") = "6"
    & skf21("7","3","1","7","4","4","7","1") = "6"
    & skf21("7","3","1","7","4","5","1","1") = "6"
    & skf21("7","3","1","7","4","5","2","1") = "6"
    & skf21("7","3","1","7","4","5","3","1") = "6"
    & skf21("7","3","1","7","4","5","4","1") = "6"
    & skf21("7","3","1","7","4","5","5","1") = "6"
    & skf21("7","3","1","7","4","5","6","1") = "6"
    & skf21("7","3","1","7","4","5","7","1") = "6"
    & skf21("7","3","1","7","4","6","1","1") = "6"
    & skf21("7","3","1","7","4","6","2","1") = "6"
    & skf21("7","3","1","7","4","6","3","1") = "6"
    & skf21("7","3","1","7","4","6","4","1") = "6"
    & skf21("7","3","1","7","4","6","5","1") = "6"
    & skf21("7","3","1","7","4","6","6","1") = "6"
    & skf21("7","3","1","7","4","6","7","1") = "6"
    & skf21("7","3","1","7","4","7","1","1") = "6"
    & skf21("7","3","1","7","4","7","2","1") = "6"
    & skf21("7","3","1","7","4","7","3","1") = "6"
    & skf21("7","3","1","7","4","7","4","1") = "6"
    & skf21("7","3","1","7","4","7","5","1") = "6"
    & skf21("7","3","1","7","4","7","6","1") = "6"
    & skf21("7","3","1","7","4","7","7","1") = "6"
    & skf21("7","3","1","7","5","1","1","1") = "6"
    & skf21("7","3","1","7","5","1","2","1") = "6"
    & skf21("7","3","1","7","5","1","3","1") = "6"
    & skf21("7","3","1","7","5","1","4","1") = "6"
    & skf21("7","3","1","7","5","1","5","1") = "6"
    & skf21("7","3","1","7","5","1","6","1") = "6"
    & skf21("7","3","1","7","5","1","7","1") = "6"
    & skf21("7","3","1","7","5","2","1","1") = "6"
    & skf21("7","3","1","7","5","2","2","1") = "6"
    & skf21("7","3","1","7","5","2","3","1") = "6"
    & skf21("7","3","1","7","5","2","4","1") = "6"
    & skf21("7","3","1","7","5","2","5","1") = "6"
    & skf21("7","3","1","7","5","2","6","1") = "6"
    & skf21("7","3","1","7","5","2","7","1") = "6"
    & skf21("7","3","1","7","5","3","1","1") = "6"
    & skf21("7","3","1","7","5","3","2","1") = "6"
    & skf21("7","3","1","7","5","3","3","1") = "6"
    & skf21("7","3","1","7","5","3","4","1") = "6"
    & skf21("7","3","1","7","5","3","5","1") = "6"
    & skf21("7","3","1","7","5","3","6","1") = "6"
    & skf21("7","3","1","7","5","3","7","1") = "6"
    & skf21("7","3","1","7","5","4","1","1") = "6"
    & skf21("7","3","1","7","5","4","2","1") = "6"
    & skf21("7","3","1","7","5","4","3","1") = "6"
    & skf21("7","3","1","7","5","4","4","1") = "6"
    & skf21("7","3","1","7","5","4","5","1") = "6"
    & skf21("7","3","1","7","5","4","6","1") = "6"
    & skf21("7","3","1","7","5","4","7","1") = "6"
    & skf21("7","3","1","7","5","5","1","1") = "6"
    & skf21("7","3","1","7","5","5","2","1") = "6"
    & skf21("7","3","1","7","5","5","3","1") = "6"
    & skf21("7","3","1","7","5","5","4","1") = "6"
    & skf21("7","3","1","7","5","5","5","1") = "6"
    & skf21("7","3","1","7","5","5","6","1") = "6"
    & skf21("7","3","1","7","5","5","7","1") = "6"
    & skf21("7","3","1","7","5","6","1","1") = "6"
    & skf21("7","3","1","7","5","6","2","1") = "6"
    & skf21("7","3","1","7","5","6","3","1") = "6"
    & skf21("7","3","1","7","5","6","4","1") = "6"
    & skf21("7","3","1","7","5","6","5","1") = "6"
    & skf21("7","3","1","7","5","6","6","1") = "6"
    & skf21("7","3","1","7","5","6","7","1") = "6"
    & skf21("7","3","1","7","5","7","1","1") = "6"
    & skf21("7","3","1","7","5","7","2","1") = "6"
    & skf21("7","3","1","7","5","7","3","1") = "6"
    & skf21("7","3","1","7","5","7","4","1") = "6"
    & skf21("7","3","1","7","5","7","5","1") = "6"
    & skf21("7","3","1","7","5","7","6","1") = "6"
    & skf21("7","3","1","7","5","7","7","1") = "6"
    & skf21("7","3","1","7","6","1","1","1") = "6"
    & skf21("7","3","1","7","6","1","2","1") = "6"
    & skf21("7","3","1","7","6","1","3","1") = "6"
    & skf21("7","3","1","7","6","1","4","1") = "6"
    & skf21("7","3","1","7","6","1","5","1") = "6"
    & skf21("7","3","1","7","6","1","6","1") = "6"
    & skf21("7","3","1","7","6","1","7","1") = "6"
    & skf21("7","3","1","7","6","2","1","1") = "6"
    & skf21("7","3","1","7","6","2","2","1") = "6"
    & skf21("7","3","1","7","6","2","3","1") = "6"
    & skf21("7","3","1","7","6","2","4","1") = "6"
    & skf21("7","3","1","7","6","2","5","1") = "6"
    & skf21("7","3","1","7","6","2","6","1") = "6"
    & skf21("7","3","1","7","6","2","7","1") = "6"
    & skf21("7","3","1","7","6","3","1","1") = "6"
    & skf21("7","3","1","7","6","3","2","1") = "6"
    & skf21("7","3","1","7","6","3","3","1") = "6"
    & skf21("7","3","1","7","6","3","4","1") = "6"
    & skf21("7","3","1","7","6","3","5","1") = "6"
    & skf21("7","3","1","7","6","3","6","1") = "6"
    & skf21("7","3","1","7","6","3","7","1") = "6"
    & skf21("7","3","1","7","6","4","1","1") = "6"
    & skf21("7","3","1","7","6","4","2","1") = "6"
    & skf21("7","3","1","7","6","4","3","1") = "6"
    & skf21("7","3","1","7","6","4","4","1") = "6"
    & skf21("7","3","1","7","6","4","5","1") = "6"
    & skf21("7","3","1","7","6","4","6","1") = "6"
    & skf21("7","3","1","7","6","4","7","1") = "6"
    & skf21("7","3","1","7","6","5","1","1") = "6"
    & skf21("7","3","1","7","6","5","2","1") = "6"
    & skf21("7","3","1","7","6","5","3","1") = "6"
    & skf21("7","3","1","7","6","5","4","1") = "6"
    & skf21("7","3","1","7","6","5","5","1") = "6"
    & skf21("7","3","1","7","6","5","6","1") = "6"
    & skf21("7","3","1","7","6","5","7","1") = "6"
    & skf21("7","3","1","7","6","6","1","1") = "6"
    & skf21("7","3","1","7","6","6","2","1") = "6"
    & skf21("7","3","1","7","6","6","3","1") = "6"
    & skf21("7","3","1","7","6","6","4","1") = "6"
    & skf21("7","3","1","7","6","6","5","1") = "6"
    & skf21("7","3","1","7","6","6","6","1") = "6"
    & skf21("7","3","1","7","6","6","7","1") = "6"
    & skf21("7","3","1","7","6","7","1","1") = "6"
    & skf21("7","3","1","7","6","7","2","1") = "6"
    & skf21("7","3","1","7","6","7","3","1") = "6"
    & skf21("7","3","1","7","6","7","4","1") = "6"
    & skf21("7","3","1","7","6","7","5","1") = "6"
    & skf21("7","3","1","7","6","7","6","1") = "6"
    & skf21("7","3","1","7","6","7","7","1") = "6"
    & skf21("7","3","1","7","7","1","1","1") = "6"
    & skf21("7","3","1","7","7","1","2","1") = "6"
    & skf21("7","3","1","7","7","1","3","1") = "6"
    & skf21("7","3","1","7","7","1","4","1") = "6"
    & skf21("7","3","1","7","7","1","5","1") = "6"
    & skf21("7","3","1","7","7","1","6","1") = "6"
    & skf21("7","3","1","7","7","1","7","1") = "6"
    & skf21("7","3","1","7","7","2","1","1") = "6"
    & skf21("7","3","1","7","7","2","2","1") = "6"
    & skf21("7","3","1","7","7","2","3","1") = "6"
    & skf21("7","3","1","7","7","2","4","1") = "6"
    & skf21("7","3","1","7","7","2","5","1") = "6"
    & skf21("7","3","1","7","7","2","6","1") = "6"
    & skf21("7","3","1","7","7","2","7","1") = "6"
    & skf21("7","3","1","7","7","3","1","1") = "6"
    & skf21("7","3","1","7","7","3","2","1") = "6"
    & skf21("7","3","1","7","7","3","3","1") = "6"
    & skf21("7","3","1","7","7","3","4","1") = "6"
    & skf21("7","3","1","7","7","3","5","1") = "6"
    & skf21("7","3","1","7","7","3","6","1") = "6"
    & skf21("7","3","1","7","7","3","7","1") = "6"
    & skf21("7","3","1","7","7","4","1","1") = "6"
    & skf21("7","3","1","7","7","4","2","1") = "6"
    & skf21("7","3","1","7","7","4","3","1") = "6"
    & skf21("7","3","1","7","7","4","4","1") = "6"
    & skf21("7","3","1","7","7","4","5","1") = "6"
    & skf21("7","3","1","7","7","4","6","1") = "6"
    & skf21("7","3","1","7","7","4","7","1") = "6"
    & skf21("7","3","1","7","7","5","1","1") = "6"
    & skf21("7","3","1","7","7","5","2","1") = "6"
    & skf21("7","3","1","7","7","5","3","1") = "6"
    & skf21("7","3","1","7","7","5","4","1") = "6"
    & skf21("7","3","1","7","7","5","5","1") = "6"
    & skf21("7","3","1","7","7","5","6","1") = "6"
    & skf21("7","3","1","7","7","5","7","1") = "6"
    & skf21("7","3","1","7","7","6","1","1") = "6"
    & skf21("7","3","1","7","7","6","2","1") = "6"
    & skf21("7","3","1","7","7","6","3","1") = "6"
    & skf21("7","3","1","7","7","6","4","1") = "6"
    & skf21("7","3","1","7","7","6","5","1") = "6"
    & skf21("7","3","1","7","7","6","6","1") = "6"
    & skf21("7","3","1","7","7","6","7","1") = "6"
    & skf21("7","3","1","7","7","7","1","1") = "6"
    & skf21("7","3","1","7","7","7","2","1") = "6"
    & skf21("7","3","1","7","7","7","3","1") = "6"
    & skf21("7","3","1","7","7","7","4","1") = "6"
    & skf21("7","3","1","7","7","7","5","1") = "6"
    & skf21("7","3","1","7","7","7","6","1") = "6"
    & skf21("7","3","1","7","7","7","7","1") = "6"
    & skf21("7","3","2","1","1","1","1","1") = "6"
    & skf21("7","3","2","1","1","1","2","1") = "6"
    & skf21("7","3","2","1","1","1","3","1") = "6"
    & skf21("7","3","2","1","1","1","4","1") = "6"
    & skf21("7","3","2","1","1","1","5","1") = "6"
    & skf21("7","3","2","1","1","1","6","1") = "6"
    & skf21("7","3","2","1","1","1","7","1") = "6"
    & skf21("7","3","2","1","1","2","1","1") = "6"
    & skf21("7","3","2","1","1","2","2","1") = "6"
    & skf21("7","3","2","1","1","2","3","1") = "6"
    & skf21("7","3","2","1","1","2","4","1") = "6"
    & skf21("7","3","2","1","1","2","5","1") = "6"
    & skf21("7","3","2","1","1","2","6","1") = "6"
    & skf21("7","3","2","1","1","2","7","1") = "6"
    & skf21("7","3","2","1","1","3","1","1") = "6"
    & skf21("7","3","2","1","1","3","2","1") = "6"
    & skf21("7","3","2","1","1","3","3","1") = "6"
    & skf21("7","3","2","1","1","3","4","1") = "6"
    & skf21("7","3","2","1","1","3","5","1") = "6"
    & skf21("7","3","2","1","1","3","6","1") = "6"
    & skf21("7","3","2","1","1","3","7","1") = "6"
    & skf21("7","3","2","1","1","4","1","1") = "6"
    & skf21("7","3","2","1","1","4","2","1") = "6"
    & skf21("7","3","2","1","1","4","3","1") = "6"
    & skf21("7","3","2","1","1","4","4","1") = "6"
    & skf21("7","3","2","1","1","4","5","1") = "6"
    & skf21("7","3","2","1","1","4","6","1") = "6"
    & skf21("7","3","2","1","1","4","7","1") = "6"
    & skf21("7","3","2","1","1","5","1","1") = "6"
    & skf21("7","3","2","1","1","5","2","1") = "6"
    & skf21("7","3","2","1","1","5","3","1") = "6"
    & skf21("7","3","2","1","1","5","4","1") = "6"
    & skf21("7","3","2","1","1","5","5","1") = "6"
    & skf21("7","3","2","1","1","5","6","1") = "6"
    & skf21("7","3","2","1","1","5","7","1") = "6"
    & skf21("7","3","2","1","1","6","1","1") = "6"
    & skf21("7","3","2","1","1","6","2","1") = "6"
    & skf21("7","3","2","1","1","6","3","1") = "6"
    & skf21("7","3","2","1","1","6","4","1") = "6"
    & skf21("7","3","2","1","1","6","5","1") = "6"
    & skf21("7","3","2","1","1","6","6","1") = "6"
    & skf21("7","3","2","1","1","6","7","1") = "6"
    & skf21("7","3","2","1","1","7","1","1") = "6"
    & skf21("7","3","2","1","1","7","2","1") = "6"
    & skf21("7","3","2","1","1","7","3","1") = "6"
    & skf21("7","3","2","1","1","7","4","1") = "6"
    & skf21("7","3","2","1","1","7","5","1") = "6"
    & skf21("7","3","2","1","1","7","6","1") = "6"
    & skf21("7","3","2","1","1","7","7","1") = "6"
    & skf21("7","3","2","1","2","1","1","1") = "6"
    & skf21("7","3","2","1","2","1","2","1") = "6"
    & skf21("7","3","2","1","2","1","3","1") = "6"
    & skf21("7","3","2","1","2","1","4","1") = "6"
    & skf21("7","3","2","1","2","1","5","1") = "6"
    & skf21("7","3","2","1","2","1","6","1") = "6"
    & skf21("7","3","2","1","2","1","7","1") = "6"
    & skf21("7","3","2","1","2","2","1","1") = "6"
    & skf21("7","3","2","1","2","2","2","1") = "6"
    & skf21("7","3","2","1","2","2","3","1") = "6"
    & skf21("7","3","2","1","2","2","4","1") = "6"
    & skf21("7","3","2","1","2","2","5","1") = "6"
    & skf21("7","3","2","1","2","2","6","1") = "6"
    & skf21("7","3","2","1","2","2","7","1") = "6"
    & skf21("7","3","2","1","2","3","1","1") = "6"
    & skf21("7","3","2","1","2","3","2","1") = "6"
    & skf21("7","3","2","1","2","3","3","1") = "6"
    & skf21("7","3","2","1","2","3","4","1") = "6"
    & skf21("7","3","2","1","2","3","5","1") = "6"
    & skf21("7","3","2","1","2","3","6","1") = "6"
    & skf21("7","3","2","1","2","3","7","1") = "6"
    & skf21("7","3","2","1","2","4","1","1") = "6"
    & skf21("7","3","2","1","2","4","2","1") = "6"
    & skf21("7","3","2","1","2","4","3","1") = "6"
    & skf21("7","3","2","1","2","4","4","1") = "6"
    & skf21("7","3","2","1","2","4","5","1") = "6"
    & skf21("7","3","2","1","2","4","6","1") = "6"
    & skf21("7","3","2","1","2","4","7","1") = "6"
    & skf21("7","3","2","1","2","5","1","1") = "6"
    & skf21("7","3","2","1","2","5","2","1") = "6"
    & skf21("7","3","2","1","2","5","3","1") = "6"
    & skf21("7","3","2","1","2","5","4","1") = "6"
    & skf21("7","3","2","1","2","5","5","1") = "6"
    & skf21("7","3","2","1","2","5","6","1") = "6"
    & skf21("7","3","2","1","2","5","7","1") = "6"
    & skf21("7","3","2","1","2","6","1","1") = "6"
    & skf21("7","3","2","1","2","6","2","1") = "6"
    & skf21("7","3","2","1","2","6","3","1") = "6"
    & skf21("7","3","2","1","2","6","4","1") = "6"
    & skf21("7","3","2","1","2","6","5","1") = "6"
    & skf21("7","3","2","1","2","6","6","1") = "6"
    & skf21("7","3","2","1","2","6","7","1") = "6"
    & skf21("7","3","2","1","2","7","1","1") = "6"
    & skf21("7","3","2","1","2","7","2","1") = "6"
    & skf21("7","3","2","1","2","7","3","1") = "6"
    & skf21("7","3","2","1","2","7","4","1") = "6"
    & skf21("7","3","2","1","2","7","5","1") = "6"
    & skf21("7","3","2","1","2","7","6","1") = "6"
    & skf21("7","3","2","1","2","7","7","1") = "6"
    & skf21("7","3","2","1","3","1","1","1") = "6"
    & skf21("7","3","2","1","3","1","2","1") = "6"
    & skf21("7","3","2","1","3","1","3","1") = "6"
    & skf21("7","3","2","1","3","1","4","1") = "6"
    & skf21("7","3","2","1","3","1","5","1") = "6"
    & skf21("7","3","2","1","3","1","6","1") = "6"
    & skf21("7","3","2","1","3","1","7","1") = "6"
    & skf21("7","3","2","1","3","2","1","1") = "6"
    & skf21("7","3","2","1","3","2","2","1") = "6"
    & skf21("7","3","2","1","3","2","3","1") = "6"
    & skf21("7","3","2","1","3","2","4","1") = "6"
    & skf21("7","3","2","1","3","2","5","1") = "6"
    & skf21("7","3","2","1","3","2","6","1") = "6"
    & skf21("7","3","2","1","3","2","7","1") = "6"
    & skf21("7","3","2","1","3","3","1","1") = "6"
    & skf21("7","3","2","1","3","3","2","1") = "6"
    & skf21("7","3","2","1","3","3","3","1") = "6"
    & skf21("7","3","2","1","3","3","4","1") = "6"
    & skf21("7","3","2","1","3","3","5","1") = "6"
    & skf21("7","3","2","1","3","3","6","1") = "6"
    & skf21("7","3","2","1","3","3","7","1") = "6"
    & skf21("7","3","2","1","3","4","1","1") = "6"
    & skf21("7","3","2","1","3","4","2","1") = "6"
    & skf21("7","3","2","1","3","4","3","1") = "6"
    & skf21("7","3","2","1","3","4","4","1") = "6"
    & skf21("7","3","2","1","3","4","5","1") = "6"
    & skf21("7","3","2","1","3","4","6","1") = "6"
    & skf21("7","3","2","1","3","4","7","1") = "6"
    & skf21("7","3","2","1","3","5","1","1") = "6"
    & skf21("7","3","2","1","3","5","2","1") = "6"
    & skf21("7","3","2","1","3","5","3","1") = "6"
    & skf21("7","3","2","1","3","5","4","1") = "6"
    & skf21("7","3","2","1","3","5","5","1") = "6"
    & skf21("7","3","2","1","3","5","6","1") = "6"
    & skf21("7","3","2","1","3","5","7","1") = "6"
    & skf21("7","3","2","1","3","6","1","1") = "6"
    & skf21("7","3","2","1","3","6","2","1") = "6"
    & skf21("7","3","2","1","3","6","3","1") = "6"
    & skf21("7","3","2","1","3","6","4","1") = "6"
    & skf21("7","3","2","1","3","6","5","1") = "6"
    & skf21("7","3","2","1","3","6","6","1") = "6"
    & skf21("7","3","2","1","3","6","7","1") = "6"
    & skf21("7","3","2","1","3","7","1","1") = "6"
    & skf21("7","3","2","1","3","7","2","1") = "6"
    & skf21("7","3","2","1","3","7","3","1") = "6"
    & skf21("7","3","2","1","3","7","4","1") = "6"
    & skf21("7","3","2","1","3","7","5","1") = "6"
    & skf21("7","3","2","1","3","7","6","1") = "6"
    & skf21("7","3","2","1","3","7","7","1") = "6"
    & skf21("7","3","2","1","4","1","1","1") = "6"
    & skf21("7","3","2","1","4","1","2","1") = "6"
    & skf21("7","3","2","1","4","1","3","1") = "6"
    & skf21("7","3","2","1","4","1","4","1") = "6"
    & skf21("7","3","2","1","4","1","5","1") = "6"
    & skf21("7","3","2","1","4","1","6","1") = "6"
    & skf21("7","3","2","1","4","1","7","1") = "6"
    & skf21("7","3","2","1","4","2","1","1") = "6"
    & skf21("7","3","2","1","4","2","2","1") = "6"
    & skf21("7","3","2","1","4","2","3","1") = "6"
    & skf21("7","3","2","1","4","2","4","1") = "6"
    & skf21("7","3","2","1","4","2","5","1") = "6"
    & skf21("7","3","2","1","4","2","6","1") = "6"
    & skf21("7","3","2","1","4","2","7","1") = "6"
    & skf21("7","3","2","1","4","3","1","1") = "6"
    & skf21("7","3","2","1","4","3","2","1") = "6"
    & skf21("7","3","2","1","4","3","3","1") = "6"
    & skf21("7","3","2","1","4","3","4","1") = "6"
    & skf21("7","3","2","1","4","3","5","1") = "6"
    & skf21("7","3","2","1","4","3","6","1") = "6"
    & skf21("7","3","2","1","4","3","7","1") = "6"
    & skf21("7","3","2","1","4","4","1","1") = "6"
    & skf21("7","3","2","1","4","4","2","1") = "6"
    & skf21("7","3","2","1","4","4","3","1") = "6"
    & skf21("7","3","2","1","4","4","4","1") = "6"
    & skf21("7","3","2","1","4","4","5","1") = "6"
    & skf21("7","3","2","1","4","4","6","1") = "6"
    & skf21("7","3","2","1","4","4","7","1") = "6"
    & skf21("7","3","2","1","4","5","1","1") = "6"
    & skf21("7","3","2","1","4","5","2","1") = "6"
    & skf21("7","3","2","1","4","5","3","1") = "6"
    & skf21("7","3","2","1","4","5","4","1") = "6"
    & skf21("7","3","2","1","4","5","5","1") = "6"
    & skf21("7","3","2","1","4","5","6","1") = "6"
    & skf21("7","3","2","1","4","5","7","1") = "6"
    & skf21("7","3","2","1","4","6","1","1") = "6"
    & skf21("7","3","2","1","4","6","2","1") = "6"
    & skf21("7","3","2","1","4","6","3","1") = "6"
    & skf21("7","3","2","1","4","6","4","1") = "6"
    & skf21("7","3","2","1","4","6","5","1") = "6"
    & skf21("7","3","2","1","4","6","6","1") = "6"
    & skf21("7","3","2","1","4","6","7","1") = "6"
    & skf21("7","3","2","1","4","7","1","1") = "6"
    & skf21("7","3","2","1","4","7","2","1") = "6"
    & skf21("7","3","2","1","4","7","3","1") = "6"
    & skf21("7","3","2","1","4","7","4","1") = "6"
    & skf21("7","3","2","1","4","7","5","1") = "6"
    & skf21("7","3","2","1","4","7","6","1") = "6"
    & skf21("7","3","2","1","4","7","7","1") = "6"
    & skf21("7","3","2","1","5","1","1","1") = "6"
    & skf21("7","3","2","1","5","1","2","1") = "6"
    & skf21("7","3","2","1","5","1","3","1") = "6"
    & skf21("7","3","2","1","5","1","4","1") = "6"
    & skf21("7","3","2","1","5","1","5","1") = "6"
    & skf21("7","3","2","1","5","1","6","1") = "6"
    & skf21("7","3","2","1","5","1","7","1") = "6"
    & skf21("7","3","2","1","5","2","1","1") = "6"
    & skf21("7","3","2","1","5","2","2","1") = "6"
    & skf21("7","3","2","1","5","2","3","1") = "6"
    & skf21("7","3","2","1","5","2","4","1") = "6"
    & skf21("7","3","2","1","5","2","5","1") = "6"
    & skf21("7","3","2","1","5","2","6","1") = "6"
    & skf21("7","3","2","1","5","2","7","1") = "6"
    & skf21("7","3","2","1","5","3","1","1") = "6"
    & skf21("7","3","2","1","5","3","2","1") = "6"
    & skf21("7","3","2","1","5","3","3","1") = "6"
    & skf21("7","3","2","1","5","3","4","1") = "6"
    & skf21("7","3","2","1","5","3","5","1") = "6"
    & skf21("7","3","2","1","5","3","6","1") = "6"
    & skf21("7","3","2","1","5","3","7","1") = "6"
    & skf21("7","3","2","1","5","4","1","1") = "6"
    & skf21("7","3","2","1","5","4","2","1") = "6"
    & skf21("7","3","2","1","5","4","3","1") = "6"
    & skf21("7","3","2","1","5","4","4","1") = "6"
    & skf21("7","3","2","1","5","4","5","1") = "6"
    & skf21("7","3","2","1","5","4","6","1") = "6"
    & skf21("7","3","2","1","5","4","7","1") = "6"
    & skf21("7","3","2","1","5","5","1","1") = "6"
    & skf21("7","3","2","1","5","5","2","1") = "6"
    & skf21("7","3","2","1","5","5","3","1") = "6"
    & skf21("7","3","2","1","5","5","4","1") = "6"
    & skf21("7","3","2","1","5","5","5","1") = "6"
    & skf21("7","3","2","1","5","5","6","1") = "6"
    & skf21("7","3","2","1","5","5","7","1") = "6"
    & skf21("7","3","2","1","5","6","1","1") = "6"
    & skf21("7","3","2","1","5","6","2","1") = "6"
    & skf21("7","3","2","1","5","6","3","1") = "6"
    & skf21("7","3","2","1","5","6","4","1") = "6"
    & skf21("7","3","2","1","5","6","5","1") = "6"
    & skf21("7","3","2","1","5","6","6","1") = "6"
    & skf21("7","3","2","1","5","6","7","1") = "6"
    & skf21("7","3","2","1","5","7","1","1") = "6"
    & skf21("7","3","2","1","5","7","2","1") = "6"
    & skf21("7","3","2","1","5","7","3","1") = "6"
    & skf21("7","3","2","1","5","7","4","1") = "6"
    & skf21("7","3","2","1","5","7","5","1") = "6"
    & skf21("7","3","2","1","5","7","6","1") = "6"
    & skf21("7","3","2","1","5","7","7","1") = "6"
    & skf21("7","3","2","1","6","1","1","1") = "6"
    & skf21("7","3","2","1","6","1","2","1") = "6"
    & skf21("7","3","2","1","6","1","3","1") = "6"
    & skf21("7","3","2","1","6","1","4","1") = "6"
    & skf21("7","3","2","1","6","1","5","1") = "6"
    & skf21("7","3","2","1","6","1","6","1") = "6"
    & skf21("7","3","2","1","6","1","7","1") = "6"
    & skf21("7","3","2","1","6","2","1","1") = "6"
    & skf21("7","3","2","1","6","2","2","1") = "6"
    & skf21("7","3","2","1","6","2","3","1") = "6"
    & skf21("7","3","2","1","6","2","4","1") = "6"
    & skf21("7","3","2","1","6","2","5","1") = "6"
    & skf21("7","3","2","1","6","2","6","1") = "6"
    & skf21("7","3","2","1","6","2","7","1") = "6"
    & skf21("7","3","2","1","6","3","1","1") = "6"
    & skf21("7","3","2","1","6","3","2","1") = "6"
    & skf21("7","3","2","1","6","3","3","1") = "6"
    & skf21("7","3","2","1","6","3","4","1") = "6"
    & skf21("7","3","2","1","6","3","5","1") = "6"
    & skf21("7","3","2","1","6","3","6","1") = "6"
    & skf21("7","3","2","1","6","3","7","1") = "6"
    & skf21("7","3","2","1","6","4","1","1") = "6"
    & skf21("7","3","2","1","6","4","2","1") = "6"
    & skf21("7","3","2","1","6","4","3","1") = "6"
    & skf21("7","3","2","1","6","4","4","1") = "6"
    & skf21("7","3","2","1","6","4","5","1") = "6"
    & skf21("7","3","2","1","6","4","6","1") = "6"
    & skf21("7","3","2","1","6","4","7","1") = "6"
    & skf21("7","3","2","1","6","5","1","1") = "6"
    & skf21("7","3","2","1","6","5","2","1") = "6"
    & skf21("7","3","2","1","6","5","3","1") = "6"
    & skf21("7","3","2","1","6","5","4","1") = "6"
    & skf21("7","3","2","1","6","5","5","1") = "6"
    & skf21("7","3","2","1","6","5","6","1") = "6"
    & skf21("7","3","2","1","6","5","7","1") = "6"
    & skf21("7","3","2","1","6","6","1","1") = "6"
    & skf21("7","3","2","1","6","6","2","1") = "6"
    & skf21("7","3","2","1","6","6","3","1") = "6"
    & skf21("7","3","2","1","6","6","4","1") = "6"
    & skf21("7","3","2","1","6","6","5","1") = "6"
    & skf21("7","3","2","1","6","6","6","1") = "6"
    & skf21("7","3","2","1","6","6","7","1") = "6"
    & skf21("7","3","2","1","6","7","1","1") = "6"
    & skf21("7","3","2","1","6","7","2","1") = "6"
    & skf21("7","3","2","1","6","7","3","1") = "6"
    & skf21("7","3","2","1","6","7","4","1") = "6"
    & skf21("7","3","2","1","6","7","5","1") = "6"
    & skf21("7","3","2","1","6","7","6","1") = "6"
    & skf21("7","3","2","1","6","7","7","1") = "6"
    & skf21("7","3","2","1","7","1","1","1") = "6"
    & skf21("7","3","2","1","7","1","2","1") = "6"
    & skf21("7","3","2","1","7","1","3","1") = "6"
    & skf21("7","3","2","1","7","1","4","1") = "6"
    & skf21("7","3","2","1","7","1","5","1") = "6"
    & skf21("7","3","2","1","7","1","6","1") = "6"
    & skf21("7","3","2","1","7","1","7","1") = "6"
    & skf21("7","3","2","1","7","2","1","1") = "6"
    & skf21("7","3","2","1","7","2","2","1") = "6"
    & skf21("7","3","2","1","7","2","3","1") = "6"
    & skf21("7","3","2","1","7","2","4","1") = "6"
    & skf21("7","3","2","1","7","2","5","1") = "6"
    & skf21("7","3","2","1","7","2","6","1") = "6"
    & skf21("7","3","2","1","7","2","7","1") = "6"
    & skf21("7","3","2","1","7","3","1","1") = "6"
    & skf21("7","3","2","1","7","3","2","1") = "6"
    & skf21("7","3","2","1","7","3","3","1") = "6"
    & skf21("7","3","2","1","7","3","4","1") = "6"
    & skf21("7","3","2","1","7","3","5","1") = "6"
    & skf21("7","3","2","1","7","3","6","1") = "6"
    & skf21("7","3","2","1","7","3","7","1") = "6"
    & skf21("7","3","2","1","7","4","1","1") = "6"
    & skf21("7","3","2","1","7","4","2","1") = "6"
    & skf21("7","3","2","1","7","4","3","1") = "6"
    & skf21("7","3","2","1","7","4","4","1") = "6"
    & skf21("7","3","2","1","7","4","5","1") = "6"
    & skf21("7","3","2","1","7","4","6","1") = "6"
    & skf21("7","3","2","1","7","4","7","1") = "6"
    & skf21("7","3","2","1","7","5","1","1") = "6"
    & skf21("7","3","2","1","7","5","2","1") = "6"
    & skf21("7","3","2","1","7","5","3","1") = "6"
    & skf21("7","3","2","1","7","5","4","1") = "6"
    & skf21("7","3","2","1","7","5","5","1") = "6"
    & skf21("7","3","2","1","7","5","6","1") = "6"
    & skf21("7","3","2","1","7","5","7","1") = "6"
    & skf21("7","3","2","1","7","6","1","1") = "6"
    & skf21("7","3","2","1","7","6","2","1") = "6"
    & skf21("7","3","2","1","7","6","3","1") = "6"
    & skf21("7","3","2","1","7","6","4","1") = "6"
    & skf21("7","3","2","1","7","6","5","1") = "6"
    & skf21("7","3","2","1","7","6","6","1") = "6"
    & skf21("7","3","2","1","7","6","7","1") = "6"
    & skf21("7","3","2","1","7","7","1","1") = "6"
    & skf21("7","3","2","1","7","7","2","1") = "6"
    & skf21("7","3","2","1","7","7","3","1") = "6"
    & skf21("7","3","2","1","7","7","4","1") = "6"
    & skf21("7","3","2","1","7","7","5","1") = "6"
    & skf21("7","3","2","1","7","7","6","1") = "6"
    & skf21("7","3","2","1","7","7","7","1") = "6"
    & skf21("7","3","2","2","1","1","1","1") = "6"
    & skf21("7","3","2","2","1","1","2","1") = "6"
    & skf21("7","3","2","2","1","1","3","1") = "6"
    & skf21("7","3","2","2","1","1","4","1") = "6"
    & skf21("7","3","2","2","1","1","5","1") = "6"
    & skf21("7","3","2","2","1","1","6","1") = "6"
    & skf21("7","3","2","2","1","1","7","1") = "6"
    & skf21("7","3","2","2","1","2","1","1") = "6"
    & skf21("7","3","2","2","1","2","2","1") = "6"
    & skf21("7","3","2","2","1","2","3","1") = "6"
    & skf21("7","3","2","2","1","2","4","1") = "6"
    & skf21("7","3","2","2","1","2","5","1") = "6"
    & skf21("7","3","2","2","1","2","6","1") = "6"
    & skf21("7","3","2","2","1","2","7","1") = "6"
    & skf21("7","3","2","2","1","3","1","1") = "6"
    & skf21("7","3","2","2","1","3","2","1") = "6"
    & skf21("7","3","2","2","1","3","3","1") = "6"
    & skf21("7","3","2","2","1","3","4","1") = "6"
    & skf21("7","3","2","2","1","3","5","1") = "6"
    & skf21("7","3","2","2","1","3","6","1") = "6"
    & skf21("7","3","2","2","1","3","7","1") = "6"
    & skf21("7","3","2","2","1","4","1","1") = "6"
    & skf21("7","3","2","2","1","4","2","1") = "6"
    & skf21("7","3","2","2","1","4","3","1") = "6"
    & skf21("7","3","2","2","1","4","4","1") = "6"
    & skf21("7","3","2","2","1","4","5","1") = "6"
    & skf21("7","3","2","2","1","4","6","1") = "6"
    & skf21("7","3","2","2","1","4","7","1") = "6"
    & skf21("7","3","2","2","1","5","1","1") = "6"
    & skf21("7","3","2","2","1","5","2","1") = "6"
    & skf21("7","3","2","2","1","5","3","1") = "6"
    & skf21("7","3","2","2","1","5","4","1") = "6"
    & skf21("7","3","2","2","1","5","5","1") = "6"
    & skf21("7","3","2","2","1","5","6","1") = "6"
    & skf21("7","3","2","2","1","5","7","1") = "6"
    & skf21("7","3","2","2","1","6","1","1") = "6"
    & skf21("7","3","2","2","1","6","2","1") = "6"
    & skf21("7","3","2","2","1","6","3","1") = "6"
    & skf21("7","3","2","2","1","6","4","1") = "6"
    & skf21("7","3","2","2","1","6","5","1") = "6"
    & skf21("7","3","2","2","1","6","6","1") = "6"
    & skf21("7","3","2","2","1","6","7","1") = "6"
    & skf21("7","3","2","2","1","7","1","1") = "6"
    & skf21("7","3","2","2","1","7","2","1") = "6"
    & skf21("7","3","2","2","1","7","3","1") = "6"
    & skf21("7","3","2","2","1","7","4","1") = "6"
    & skf21("7","3","2","2","1","7","5","1") = "6"
    & skf21("7","3","2","2","1","7","6","1") = "6"
    & skf21("7","3","2","2","1","7","7","1") = "6"
    & skf21("7","3","2","2","2","1","1","1") = "6"
    & skf21("7","3","2","2","2","1","2","1") = "6"
    & skf21("7","3","2","2","2","1","3","1") = "6"
    & skf21("7","3","2","2","2","1","4","1") = "6"
    & skf21("7","3","2","2","2","1","5","1") = "6"
    & skf21("7","3","2","2","2","1","6","1") = "6"
    & skf21("7","3","2","2","2","1","7","1") = "6"
    & skf21("7","3","2","2","2","2","1","1") = "6"
    & skf21("7","3","2","2","2","2","2","1") = "6"
    & skf21("7","3","2","2","2","2","3","1") = "6"
    & skf21("7","3","2","2","2","2","4","1") = "6"
    & skf21("7","3","2","2","2","2","5","1") = "6"
    & skf21("7","3","2","2","2","2","6","1") = "6"
    & skf21("7","3","2","2","2","2","7","1") = "6"
    & skf21("7","3","2","2","2","3","1","1") = "6"
    & skf21("7","3","2","2","2","3","2","1") = "6"
    & skf21("7","3","2","2","2","3","3","1") = "6"
    & skf21("7","3","2","2","2","3","4","1") = "6"
    & skf21("7","3","2","2","2","3","5","1") = "6"
    & skf21("7","3","2","2","2","3","6","1") = "6"
    & skf21("7","3","2","2","2","3","7","1") = "6"
    & skf21("7","3","2","2","2","4","1","1") = "6"
    & skf21("7","3","2","2","2","4","2","1") = "6"
    & skf21("7","3","2","2","2","4","3","1") = "6"
    & skf21("7","3","2","2","2","4","4","1") = "6"
    & skf21("7","3","2","2","2","4","5","1") = "6"
    & skf21("7","3","2","2","2","4","6","1") = "6"
    & skf21("7","3","2","2","2","4","7","1") = "6"
    & skf21("7","3","2","2","2","5","1","1") = "6"
    & skf21("7","3","2","2","2","5","2","1") = "6"
    & skf21("7","3","2","2","2","5","3","1") = "6"
    & skf21("7","3","2","2","2","5","4","1") = "6"
    & skf21("7","3","2","2","2","5","5","1") = "6"
    & skf21("7","3","2","2","2","5","6","1") = "6"
    & skf21("7","3","2","2","2","5","7","1") = "6"
    & skf21("7","3","2","2","2","6","1","1") = "6"
    & skf21("7","3","2","2","2","6","2","1") = "6"
    & skf21("7","3","2","2","2","6","3","1") = "6"
    & skf21("7","3","2","2","2","6","4","1") = "6"
    & skf21("7","3","2","2","2","6","5","1") = "6"
    & skf21("7","3","2","2","2","6","6","1") = "6"
    & skf21("7","3","2","2","2","6","7","1") = "6"
    & skf21("7","3","2","2","2","7","1","1") = "6"
    & skf21("7","3","2","2","2","7","2","1") = "6"
    & skf21("7","3","2","2","2","7","3","1") = "6"
    & skf21("7","3","2","2","2","7","4","1") = "6"
    & skf21("7","3","2","2","2","7","5","1") = "6"
    & skf21("7","3","2","2","2","7","6","1") = "6"
    & skf21("7","3","2","2","2","7","7","1") = "6"
    & skf21("7","3","2","2","3","1","1","1") = "6"
    & skf21("7","3","2","2","3","1","2","1") = "6"
    & skf21("7","3","2","2","3","1","3","1") = "6"
    & skf21("7","3","2","2","3","1","4","1") = "6"
    & skf21("7","3","2","2","3","1","5","1") = "6"
    & skf21("7","3","2","2","3","1","6","1") = "6"
    & skf21("7","3","2","2","3","1","7","1") = "6"
    & skf21("7","3","2","2","3","2","1","1") = "6"
    & skf21("7","3","2","2","3","2","2","1") = "6"
    & skf21("7","3","2","2","3","2","3","1") = "6"
    & skf21("7","3","2","2","3","2","4","1") = "6"
    & skf21("7","3","2","2","3","2","5","1") = "6"
    & skf21("7","3","2","2","3","2","6","1") = "6"
    & skf21("7","3","2","2","3","2","7","1") = "6"
    & skf21("7","3","2","2","3","3","1","1") = "6"
    & skf21("7","3","2","2","3","3","2","1") = "6"
    & skf21("7","3","2","2","3","3","3","1") = "6"
    & skf21("7","3","2","2","3","3","4","1") = "6"
    & skf21("7","3","2","2","3","3","5","1") = "6"
    & skf21("7","3","2","2","3","3","6","1") = "6"
    & skf21("7","3","2","2","3","3","7","1") = "6"
    & skf21("7","3","2","2","3","4","1","1") = "6"
    & skf21("7","3","2","2","3","4","2","1") = "6"
    & skf21("7","3","2","2","3","4","3","1") = "6"
    & skf21("7","3","2","2","3","4","4","1") = "6"
    & skf21("7","3","2","2","3","4","5","1") = "6"
    & skf21("7","3","2","2","3","4","6","1") = "6"
    & skf21("7","3","2","2","3","4","7","1") = "6"
    & skf21("7","3","2","2","3","5","1","1") = "6"
    & skf21("7","3","2","2","3","5","2","1") = "6"
    & skf21("7","3","2","2","3","5","3","1") = "6"
    & skf21("7","3","2","2","3","5","4","1") = "6"
    & skf21("7","3","2","2","3","5","5","1") = "6"
    & skf21("7","3","2","2","3","5","6","1") = "6"
    & skf21("7","3","2","2","3","5","7","1") = "6"
    & skf21("7","3","2","2","3","6","1","1") = "6"
    & skf21("7","3","2","2","3","6","2","1") = "6"
    & skf21("7","3","2","2","3","6","3","1") = "6"
    & skf21("7","3","2","2","3","6","4","1") = "6"
    & skf21("7","3","2","2","3","6","5","1") = "6"
    & skf21("7","3","2","2","3","6","6","1") = "6"
    & skf21("7","3","2","2","3","6","7","1") = "6"
    & skf21("7","3","2","2","3","7","1","1") = "6"
    & skf21("7","3","2","2","3","7","2","1") = "6"
    & skf21("7","3","2","2","3","7","3","1") = "6"
    & skf21("7","3","2","2","3","7","4","1") = "6"
    & skf21("7","3","2","2","3","7","5","1") = "6"
    & skf21("7","3","2","2","3","7","6","1") = "6"
    & skf21("7","3","2","2","3","7","7","1") = "6"
    & skf21("7","3","2","2","4","1","1","1") = "6"
    & skf21("7","3","2","2","4","1","2","1") = "6"
    & skf21("7","3","2","2","4","1","3","1") = "6"
    & skf21("7","3","2","2","4","1","4","1") = "6"
    & skf21("7","3","2","2","4","1","5","1") = "6"
    & skf21("7","3","2","2","4","1","6","1") = "6"
    & skf21("7","3","2","2","4","1","7","1") = "6"
    & skf21("7","3","2","2","4","2","1","1") = "6"
    & skf21("7","3","2","2","4","2","2","1") = "6"
    & skf21("7","3","2","2","4","2","3","1") = "6"
    & skf21("7","3","2","2","4","2","4","1") = "6"
    & skf21("7","3","2","2","4","2","5","1") = "6"
    & skf21("7","3","2","2","4","2","6","1") = "6"
    & skf21("7","3","2","2","4","2","7","1") = "6"
    & skf21("7","3","2","2","4","3","1","1") = "6"
    & skf21("7","3","2","2","4","3","2","1") = "6"
    & skf21("7","3","2","2","4","3","3","1") = "6"
    & skf21("7","3","2","2","4","3","4","1") = "6"
    & skf21("7","3","2","2","4","3","5","1") = "6"
    & skf21("7","3","2","2","4","3","6","1") = "6"
    & skf21("7","3","2","2","4","3","7","1") = "6"
    & skf21("7","3","2","2","4","4","1","1") = "6"
    & skf21("7","3","2","2","4","4","2","1") = "6"
    & skf21("7","3","2","2","4","4","3","1") = "6"
    & skf21("7","3","2","2","4","4","4","1") = "6"
    & skf21("7","3","2","2","4","4","5","1") = "6"
    & skf21("7","3","2","2","4","4","6","1") = "6"
    & skf21("7","3","2","2","4","4","7","1") = "6"
    & skf21("7","3","2","2","4","5","1","1") = "6"
    & skf21("7","3","2","2","4","5","2","1") = "6"
    & skf21("7","3","2","2","4","5","3","1") = "6"
    & skf21("7","3","2","2","4","5","4","1") = "6"
    & skf21("7","3","2","2","4","5","5","1") = "6"
    & skf21("7","3","2","2","4","5","6","1") = "6"
    & skf21("7","3","2","2","4","5","7","1") = "6"
    & skf21("7","3","2","2","4","6","1","1") = "6"
    & skf21("7","3","2","2","4","6","2","1") = "6"
    & skf21("7","3","2","2","4","6","3","1") = "6"
    & skf21("7","3","2","2","4","6","4","1") = "6"
    & skf21("7","3","2","2","4","6","5","1") = "6"
    & skf21("7","3","2","2","4","6","6","1") = "6"
    & skf21("7","3","2","2","4","6","7","1") = "6"
    & skf21("7","3","2","2","4","7","1","1") = "6"
    & skf21("7","3","2","2","4","7","2","1") = "6"
    & skf21("7","3","2","2","4","7","3","1") = "6"
    & skf21("7","3","2","2","4","7","4","1") = "6"
    & skf21("7","3","2","2","4","7","5","1") = "6"
    & skf21("7","3","2","2","4","7","6","1") = "6"
    & skf21("7","3","2","2","4","7","7","1") = "6"
    & skf21("7","3","2","2","5","1","1","1") = "6"
    & skf21("7","3","2","2","5","1","2","1") = "6"
    & skf21("7","3","2","2","5","1","3","1") = "6"
    & skf21("7","3","2","2","5","1","4","1") = "6"
    & skf21("7","3","2","2","5","1","5","1") = "6"
    & skf21("7","3","2","2","5","1","6","1") = "6"
    & skf21("7","3","2","2","5","1","7","1") = "6"
    & skf21("7","3","2","2","5","2","1","1") = "6"
    & skf21("7","3","2","2","5","2","2","1") = "6"
    & skf21("7","3","2","2","5","2","3","1") = "6"
    & skf21("7","3","2","2","5","2","4","1") = "6"
    & skf21("7","3","2","2","5","2","5","1") = "6"
    & skf21("7","3","2","2","5","2","6","1") = "6"
    & skf21("7","3","2","2","5","2","7","1") = "6"
    & skf21("7","3","2","2","5","3","1","1") = "6"
    & skf21("7","3","2","2","5","3","2","1") = "6"
    & skf21("7","3","2","2","5","3","3","1") = "6"
    & skf21("7","3","2","2","5","3","4","1") = "6"
    & skf21("7","3","2","2","5","3","5","1") = "6"
    & skf21("7","3","2","2","5","3","6","1") = "6"
    & skf21("7","3","2","2","5","3","7","1") = "6"
    & skf21("7","3","2","2","5","4","1","1") = "6"
    & skf21("7","3","2","2","5","4","2","1") = "6"
    & skf21("7","3","2","2","5","4","3","1") = "6"
    & skf21("7","3","2","2","5","4","4","1") = "6"
    & skf21("7","3","2","2","5","4","5","1") = "6"
    & skf21("7","3","2","2","5","4","6","1") = "6"
    & skf21("7","3","2","2","5","4","7","1") = "6"
    & skf21("7","3","2","2","5","5","1","1") = "6"
    & skf21("7","3","2","2","5","5","2","1") = "6"
    & skf21("7","3","2","2","5","5","3","1") = "6"
    & skf21("7","3","2","2","5","5","4","1") = "6"
    & skf21("7","3","2","2","5","5","5","1") = "6"
    & skf21("7","3","2","2","5","5","6","1") = "6"
    & skf21("7","3","2","2","5","5","7","1") = "6"
    & skf21("7","3","2","2","5","6","1","1") = "6"
    & skf21("7","3","2","2","5","6","2","1") = "6"
    & skf21("7","3","2","2","5","6","3","1") = "6"
    & skf21("7","3","2","2","5","6","4","1") = "6"
    & skf21("7","3","2","2","5","6","5","1") = "6"
    & skf21("7","3","2","2","5","6","6","1") = "6"
    & skf21("7","3","2","2","5","6","7","1") = "6"
    & skf21("7","3","2","2","5","7","1","1") = "6"
    & skf21("7","3","2","2","5","7","2","1") = "6"
    & skf21("7","3","2","2","5","7","3","1") = "6"
    & skf21("7","3","2","2","5","7","4","1") = "6"
    & skf21("7","3","2","2","5","7","5","1") = "6"
    & skf21("7","3","2","2","5","7","6","1") = "6"
    & skf21("7","3","2","2","5","7","7","1") = "6"
    & skf21("7","3","2","2","6","1","1","1") = "6"
    & skf21("7","3","2","2","6","1","2","1") = "6"
    & skf21("7","3","2","2","6","1","3","1") = "6"
    & skf21("7","3","2","2","6","1","4","1") = "6"
    & skf21("7","3","2","2","6","1","5","1") = "6"
    & skf21("7","3","2","2","6","1","6","1") = "6"
    & skf21("7","3","2","2","6","1","7","1") = "6"
    & skf21("7","3","2","2","6","2","1","1") = "6"
    & skf21("7","3","2","2","6","2","2","1") = "6"
    & skf21("7","3","2","2","6","2","3","1") = "6"
    & skf21("7","3","2","2","6","2","4","1") = "6"
    & skf21("7","3","2","2","6","2","5","1") = "6"
    & skf21("7","3","2","2","6","2","6","1") = "6"
    & skf21("7","3","2","2","6","2","7","1") = "6"
    & skf21("7","3","2","2","6","3","1","1") = "6"
    & skf21("7","3","2","2","6","3","2","1") = "6"
    & skf21("7","3","2","2","6","3","3","1") = "6"
    & skf21("7","3","2","2","6","3","4","1") = "6"
    & skf21("7","3","2","2","6","3","5","1") = "6"
    & skf21("7","3","2","2","6","3","6","1") = "6"
    & skf21("7","3","2","2","6","3","7","1") = "6"
    & skf21("7","3","2","2","6","4","1","1") = "6"
    & skf21("7","3","2","2","6","4","2","1") = "6"
    & skf21("7","3","2","2","6","4","3","1") = "6"
    & skf21("7","3","2","2","6","4","4","1") = "6"
    & skf21("7","3","2","2","6","4","5","1") = "6"
    & skf21("7","3","2","2","6","4","6","1") = "6"
    & skf21("7","3","2","2","6","4","7","1") = "6"
    & skf21("7","3","2","2","6","5","1","1") = "6"
    & skf21("7","3","2","2","6","5","2","1") = "6"
    & skf21("7","3","2","2","6","5","3","1") = "6"
    & skf21("7","3","2","2","6","5","4","1") = "6"
    & skf21("7","3","2","2","6","5","5","1") = "6"
    & skf21("7","3","2","2","6","5","6","1") = "6"
    & skf21("7","3","2","2","6","5","7","1") = "6"
    & skf21("7","3","2","2","6","6","1","1") = "6"
    & skf21("7","3","2","2","6","6","2","1") = "6"
    & skf21("7","3","2","2","6","6","3","1") = "6"
    & skf21("7","3","2","2","6","6","4","1") = "6"
    & skf21("7","3","2","2","6","6","5","1") = "6"
    & skf21("7","3","2","2","6","6","6","1") = "6"
    & skf21("7","3","2","2","6","6","7","1") = "6"
    & skf21("7","3","2","2","6","7","1","1") = "6"
    & skf21("7","3","2","2","6","7","2","1") = "6"
    & skf21("7","3","2","2","6","7","3","1") = "6"
    & skf21("7","3","2","2","6","7","4","1") = "6"
    & skf21("7","3","2","2","6","7","5","1") = "6"
    & skf21("7","3","2","2","6","7","6","1") = "6"
    & skf21("7","3","2","2","6","7","7","1") = "6"
    & skf21("7","3","2","2","7","1","1","1") = "6"
    & skf21("7","3","2","2","7","1","2","1") = "6"
    & skf21("7","3","2","2","7","1","3","1") = "6"
    & skf21("7","3","2","2","7","1","4","1") = "6"
    & skf21("7","3","2","2","7","1","5","1") = "6"
    & skf21("7","3","2","2","7","1","6","1") = "6"
    & skf21("7","3","2","2","7","1","7","1") = "6"
    & skf21("7","3","2","2","7","2","1","1") = "6"
    & skf21("7","3","2","2","7","2","2","1") = "6"
    & skf21("7","3","2","2","7","2","3","1") = "6"
    & skf21("7","3","2","2","7","2","4","1") = "6"
    & skf21("7","3","2","2","7","2","5","1") = "6"
    & skf21("7","3","2","2","7","2","6","1") = "6"
    & skf21("7","3","2","2","7","2","7","1") = "6"
    & skf21("7","3","2","2","7","3","1","1") = "6"
    & skf21("7","3","2","2","7","3","2","1") = "6"
    & skf21("7","3","2","2","7","3","3","1") = "6"
    & skf21("7","3","2","2","7","3","4","1") = "6"
    & skf21("7","3","2","2","7","3","5","1") = "6"
    & skf21("7","3","2","2","7","3","6","1") = "6"
    & skf21("7","3","2","2","7","3","7","1") = "6"
    & skf21("7","3","2","2","7","4","1","1") = "6"
    & skf21("7","3","2","2","7","4","2","1") = "6"
    & skf21("7","3","2","2","7","4","3","1") = "6"
    & skf21("7","3","2","2","7","4","4","1") = "6"
    & skf21("7","3","2","2","7","4","5","1") = "6"
    & skf21("7","3","2","2","7","4","6","1") = "6"
    & skf21("7","3","2","2","7","4","7","1") = "6"
    & skf21("7","3","2","2","7","5","1","1") = "6"
    & skf21("7","3","2","2","7","5","2","1") = "6"
    & skf21("7","3","2","2","7","5","3","1") = "6"
    & skf21("7","3","2","2","7","5","4","1") = "6"
    & skf21("7","3","2","2","7","5","5","1") = "6"
    & skf21("7","3","2","2","7","5","6","1") = "6"
    & skf21("7","3","2","2","7","5","7","1") = "6"
    & skf21("7","3","2","2","7","6","1","1") = "6"
    & skf21("7","3","2","2","7","6","2","1") = "6"
    & skf21("7","3","2","2","7","6","3","1") = "6"
    & skf21("7","3","2","2","7","6","4","1") = "6"
    & skf21("7","3","2","2","7","6","5","1") = "6"
    & skf21("7","3","2","2","7","6","6","1") = "6"
    & skf21("7","3","2","2","7","6","7","1") = "6"
    & skf21("7","3","2","2","7","7","1","1") = "6"
    & skf21("7","3","2","2","7","7","2","1") = "6"
    & skf21("7","3","2","2","7","7","3","1") = "6"
    & skf21("7","3","2","2","7","7","4","1") = "6"
    & skf21("7","3","2","2","7","7","5","1") = "6"
    & skf21("7","3","2","2","7","7","6","1") = "6"
    & skf21("7","3","2","2","7","7","7","1") = "6"
    & skf21("7","3","2","3","1","1","1","1") = "6"
    & skf21("7","3","2","3","1","1","2","1") = "6"
    & skf21("7","3","2","3","1","1","3","1") = "6"
    & skf21("7","3","2","3","1","1","4","1") = "6"
    & skf21("7","3","2","3","1","1","5","1") = "6"
    & skf21("7","3","2","3","1","1","6","1") = "6"
    & skf21("7","3","2","3","1","1","7","1") = "6"
    & skf21("7","3","2","3","1","2","1","1") = "6"
    & skf21("7","3","2","3","1","2","2","1") = "6"
    & skf21("7","3","2","3","1","2","3","1") = "6"
    & skf21("7","3","2","3","1","2","4","1") = "6"
    & skf21("7","3","2","3","1","2","5","1") = "6"
    & skf21("7","3","2","3","1","2","6","1") = "6"
    & skf21("7","3","2","3","1","2","7","1") = "6"
    & skf21("7","3","2","3","1","3","1","1") = "6"
    & skf21("7","3","2","3","1","3","2","1") = "6"
    & skf21("7","3","2","3","1","3","3","1") = "6"
    & skf21("7","3","2","3","1","3","4","1") = "6"
    & skf21("7","3","2","3","1","3","5","1") = "6"
    & skf21("7","3","2","3","1","3","6","1") = "6"
    & skf21("7","3","2","3","1","3","7","1") = "6"
    & skf21("7","3","2","3","1","4","1","1") = "6"
    & skf21("7","3","2","3","1","4","2","1") = "6"
    & skf21("7","3","2","3","1","4","3","1") = "6"
    & skf21("7","3","2","3","1","4","4","1") = "6"
    & skf21("7","3","2","3","1","4","5","1") = "6"
    & skf21("7","3","2","3","1","4","6","1") = "6"
    & skf21("7","3","2","3","1","4","7","1") = "6"
    & skf21("7","3","2","3","1","5","1","1") = "6"
    & skf21("7","3","2","3","1","5","2","1") = "6"
    & skf21("7","3","2","3","1","5","3","1") = "6"
    & skf21("7","3","2","3","1","5","4","1") = "6"
    & skf21("7","3","2","3","1","5","5","1") = "6"
    & skf21("7","3","2","3","1","5","6","1") = "6"
    & skf21("7","3","2","3","1","5","7","1") = "6"
    & skf21("7","3","2","3","1","6","1","1") = "6"
    & skf21("7","3","2","3","1","6","2","1") = "6"
    & skf21("7","3","2","3","1","6","3","1") = "6"
    & skf21("7","3","2","3","1","6","4","1") = "6"
    & skf21("7","3","2","3","1","6","5","1") = "6"
    & skf21("7","3","2","3","1","6","6","1") = "6"
    & skf21("7","3","2","3","1","6","7","1") = "6"
    & skf21("7","3","2","3","1","7","1","1") = "6"
    & skf21("7","3","2","3","1","7","2","1") = "6"
    & skf21("7","3","2","3","1","7","3","1") = "6"
    & skf21("7","3","2","3","1","7","4","1") = "6"
    & skf21("7","3","2","3","1","7","5","1") = "6"
    & skf21("7","3","2","3","1","7","6","1") = "6"
    & skf21("7","3","2","3","1","7","7","1") = "6"
    & skf21("7","3","2","3","2","1","1","1") = "6"
    & skf21("7","3","2","3","2","1","2","1") = "6"
    & skf21("7","3","2","3","2","1","3","1") = "6"
    & skf21("7","3","2","3","2","1","4","1") = "6"
    & skf21("7","3","2","3","2","1","5","1") = "6"
    & skf21("7","3","2","3","2","1","6","1") = "6"
    & skf21("7","3","2","3","2","1","7","1") = "6"
    & skf21("7","3","2","3","2","2","1","1") = "6"
    & skf21("7","3","2","3","2","2","2","1") = "6"
    & skf21("7","3","2","3","2","2","3","1") = "6"
    & skf21("7","3","2","3","2","2","4","1") = "6"
    & skf21("7","3","2","3","2","2","5","1") = "6"
    & skf21("7","3","2","3","2","2","6","1") = "6"
    & skf21("7","3","2","3","2","2","7","1") = "6"
    & skf21("7","3","2","3","2","3","1","1") = "6"
    & skf21("7","3","2","3","2","3","2","1") = "6"
    & skf21("7","3","2","3","2","3","3","1") = "6"
    & skf21("7","3","2","3","2","3","4","1") = "6"
    & skf21("7","3","2","3","2","3","5","1") = "6"
    & skf21("7","3","2","3","2","3","6","1") = "6"
    & skf21("7","3","2","3","2","3","7","1") = "6"
    & skf21("7","3","2","3","2","4","1","1") = "6"
    & skf21("7","3","2","3","2","4","2","1") = "6"
    & skf21("7","3","2","3","2","4","3","1") = "6"
    & skf21("7","3","2","3","2","4","4","1") = "6"
    & skf21("7","3","2","3","2","4","5","1") = "6"
    & skf21("7","3","2","3","2","4","6","1") = "6"
    & skf21("7","3","2","3","2","4","7","1") = "6"
    & skf21("7","3","2","3","2","5","1","1") = "6"
    & skf21("7","3","2","3","2","5","2","1") = "6"
    & skf21("7","3","2","3","2","5","3","1") = "6"
    & skf21("7","3","2","3","2","5","4","1") = "6"
    & skf21("7","3","2","3","2","5","5","1") = "6"
    & skf21("7","3","2","3","2","5","6","1") = "6"
    & skf21("7","3","2","3","2","5","7","1") = "6"
    & skf21("7","3","2","3","2","6","1","1") = "6"
    & skf21("7","3","2","3","2","6","2","1") = "6"
    & skf21("7","3","2","3","2","6","3","1") = "6"
    & skf21("7","3","2","3","2","6","4","1") = "6"
    & skf21("7","3","2","3","2","6","5","1") = "6"
    & skf21("7","3","2","3","2","6","6","1") = "6"
    & skf21("7","3","2","3","2","6","7","1") = "6"
    & skf21("7","3","2","3","2","7","1","1") = "6"
    & skf21("7","3","2","3","2","7","2","1") = "6"
    & skf21("7","3","2","3","2","7","3","1") = "6"
    & skf21("7","3","2","3","2","7","4","1") = "6"
    & skf21("7","3","2","3","2","7","5","1") = "6"
    & skf21("7","3","2","3","2","7","6","1") = "6"
    & skf21("7","3","2","3","2","7","7","1") = "6"
    & skf21("7","3","2","3","3","1","1","1") = "6"
    & skf21("7","3","2","3","3","1","2","1") = "6"
    & skf21("7","3","2","3","3","1","3","1") = "6"
    & skf21("7","3","2","3","3","1","4","1") = "6"
    & skf21("7","3","2","3","3","1","5","1") = "6"
    & skf21("7","3","2","3","3","1","6","1") = "6"
    & skf21("7","3","2","3","3","1","7","1") = "6"
    & skf21("7","3","2","3","3","2","1","1") = "6"
    & skf21("7","3","2","3","3","2","2","1") = "6"
    & skf21("7","3","2","3","3","2","3","1") = "6"
    & skf21("7","3","2","3","3","2","4","1") = "6"
    & skf21("7","3","2","3","3","2","5","1") = "6"
    & skf21("7","3","2","3","3","2","6","1") = "6"
    & skf21("7","3","2","3","3","2","7","1") = "6"
    & skf21("7","3","2","3","3","3","1","1") = "6"
    & skf21("7","3","2","3","3","3","2","1") = "6"
    & skf21("7","3","2","3","3","3","3","1") = "6"
    & skf21("7","3","2","3","3","3","4","1") = "6"
    & skf21("7","3","2","3","3","3","5","1") = "6"
    & skf21("7","3","2","3","3","3","6","1") = "6"
    & skf21("7","3","2","3","3","3","7","1") = "6"
    & skf21("7","3","2","3","3","4","1","1") = "6"
    & skf21("7","3","2","3","3","4","2","1") = "6"
    & skf21("7","3","2","3","3","4","3","1") = "6"
    & skf21("7","3","2","3","3","4","4","1") = "6"
    & skf21("7","3","2","3","3","4","5","1") = "6"
    & skf21("7","3","2","3","3","4","6","1") = "6"
    & skf21("7","3","2","3","3","4","7","1") = "6"
    & skf21("7","3","2","3","3","5","1","1") = "6"
    & skf21("7","3","2","3","3","5","2","1") = "6"
    & skf21("7","3","2","3","3","5","3","1") = "6"
    & skf21("7","3","2","3","3","5","4","1") = "6"
    & skf21("7","3","2","3","3","5","5","1") = "6"
    & skf21("7","3","2","3","3","5","6","1") = "6"
    & skf21("7","3","2","3","3","5","7","1") = "6"
    & skf21("7","3","2","3","3","6","1","1") = "6"
    & skf21("7","3","2","3","3","6","2","1") = "6"
    & skf21("7","3","2","3","3","6","3","1") = "6"
    & skf21("7","3","2","3","3","6","4","1") = "6"
    & skf21("7","3","2","3","3","6","5","1") = "6"
    & skf21("7","3","2","3","3","6","6","1") = "6"
    & skf21("7","3","2","3","3","6","7","1") = "6"
    & skf21("7","3","2","3","3","7","1","1") = "6"
    & skf21("7","3","2","3","3","7","2","1") = "6"
    & skf21("7","3","2","3","3","7","3","1") = "6"
    & skf21("7","3","2","3","3","7","4","1") = "6"
    & skf21("7","3","2","3","3","7","5","1") = "6"
    & skf21("7","3","2","3","3","7","6","1") = "6"
    & skf21("7","3","2","3","3","7","7","1") = "6"
    & skf21("7","3","2","3","4","1","1","1") = "6"
    & skf21("7","3","2","3","4","1","2","1") = "6"
    & skf21("7","3","2","3","4","1","3","1") = "6"
    & skf21("7","3","2","3","4","1","4","1") = "6"
    & skf21("7","3","2","3","4","1","5","1") = "6"
    & skf21("7","3","2","3","4","1","6","1") = "6"
    & skf21("7","3","2","3","4","1","7","1") = "6"
    & skf21("7","3","2","3","4","2","1","1") = "6"
    & skf21("7","3","2","3","4","2","2","1") = "6"
    & skf21("7","3","2","3","4","2","3","1") = "6"
    & skf21("7","3","2","3","4","2","4","1") = "6"
    & skf21("7","3","2","3","4","2","5","1") = "6"
    & skf21("7","3","2","3","4","2","6","1") = "6"
    & skf21("7","3","2","3","4","2","7","1") = "6"
    & skf21("7","3","2","3","4","3","1","1") = "6"
    & skf21("7","3","2","3","4","3","2","1") = "6"
    & skf21("7","3","2","3","4","3","3","1") = "6"
    & skf21("7","3","2","3","4","3","4","1") = "6"
    & skf21("7","3","2","3","4","3","5","1") = "6"
    & skf21("7","3","2","3","4","3","6","1") = "6"
    & skf21("7","3","2","3","4","3","7","1") = "6"
    & skf21("7","3","2","3","4","4","1","1") = "6"
    & skf21("7","3","2","3","4","4","2","1") = "6"
    & skf21("7","3","2","3","4","4","3","1") = "6"
    & skf21("7","3","2","3","4","4","4","1") = "6"
    & skf21("7","3","2","3","4","4","5","1") = "6"
    & skf21("7","3","2","3","4","4","6","1") = "6"
    & skf21("7","3","2","3","4","4","7","1") = "6"
    & skf21("7","3","2","3","4","5","1","1") = "6"
    & skf21("7","3","2","3","4","5","2","1") = "6"
    & skf21("7","3","2","3","4","5","3","1") = "6"
    & skf21("7","3","2","3","4","5","4","1") = "6"
    & skf21("7","3","2","3","4","5","5","1") = "6"
    & skf21("7","3","2","3","4","5","6","1") = "6"
    & skf21("7","3","2","3","4","5","7","1") = "6"
    & skf21("7","3","2","3","4","6","1","1") = "6"
    & skf21("7","3","2","3","4","6","2","1") = "6"
    & skf21("7","3","2","3","4","6","3","1") = "6"
    & skf21("7","3","2","3","4","6","4","1") = "6"
    & skf21("7","3","2","3","4","6","5","1") = "6"
    & skf21("7","3","2","3","4","6","6","1") = "6"
    & skf21("7","3","2","3","4","6","7","1") = "6"
    & skf21("7","3","2","3","4","7","1","1") = "6"
    & skf21("7","3","2","3","4","7","2","1") = "6"
    & skf21("7","3","2","3","4","7","3","1") = "6"
    & skf21("7","3","2","3","4","7","4","1") = "6"
    & skf21("7","3","2","3","4","7","5","1") = "6"
    & skf21("7","3","2","3","4","7","6","1") = "6"
    & skf21("7","3","2","3","4","7","7","1") = "6"
    & skf21("7","3","2","3","5","1","1","1") = "6"
    & skf21("7","3","2","3","5","1","2","1") = "6"
    & skf21("7","3","2","3","5","1","3","1") = "6"
    & skf21("7","3","2","3","5","1","4","1") = "6"
    & skf21("7","3","2","3","5","1","5","1") = "6"
    & skf21("7","3","2","3","5","1","6","1") = "6"
    & skf21("7","3","2","3","5","1","7","1") = "6"
    & skf21("7","3","2","3","5","2","1","1") = "6"
    & skf21("7","3","2","3","5","2","2","1") = "6"
    & skf21("7","3","2","3","5","2","3","1") = "6"
    & skf21("7","3","2","3","5","2","4","1") = "6"
    & skf21("7","3","2","3","5","2","5","1") = "6"
    & skf21("7","3","2","3","5","2","6","1") = "6"
    & skf21("7","3","2","3","5","2","7","1") = "6"
    & skf21("7","3","2","3","5","3","1","1") = "6"
    & skf21("7","3","2","3","5","3","2","1") = "6"
    & skf21("7","3","2","3","5","3","3","1") = "6"
    & skf21("7","3","2","3","5","3","4","1") = "6"
    & skf21("7","3","2","3","5","3","5","1") = "6"
    & skf21("7","3","2","3","5","3","6","1") = "6"
    & skf21("7","3","2","3","5","3","7","1") = "6"
    & skf21("7","3","2","3","5","4","1","1") = "6"
    & skf21("7","3","2","3","5","4","2","1") = "6"
    & skf21("7","3","2","3","5","4","3","1") = "6"
    & skf21("7","3","2","3","5","4","4","1") = "6"
    & skf21("7","3","2","3","5","4","5","1") = "6"
    & skf21("7","3","2","3","5","4","6","1") = "6"
    & skf21("7","3","2","3","5","4","7","1") = "6"
    & skf21("7","3","2","3","5","5","1","1") = "6"
    & skf21("7","3","2","3","5","5","2","1") = "6"
    & skf21("7","3","2","3","5","5","3","1") = "6"
    & skf21("7","3","2","3","5","5","4","1") = "6"
    & skf21("7","3","2","3","5","5","5","1") = "6"
    & skf21("7","3","2","3","5","5","6","1") = "6"
    & skf21("7","3","2","3","5","5","7","1") = "6"
    & skf21("7","3","2","3","5","6","1","1") = "6"
    & skf21("7","3","2","3","5","6","2","1") = "6"
    & skf21("7","3","2","3","5","6","3","1") = "6"
    & skf21("7","3","2","3","5","6","4","1") = "6"
    & skf21("7","3","2","3","5","6","5","1") = "6"
    & skf21("7","3","2","3","5","6","6","1") = "6"
    & skf21("7","3","2","3","5","6","7","1") = "6"
    & skf21("7","3","2","3","5","7","1","1") = "6"
    & skf21("7","3","2","3","5","7","2","1") = "6"
    & skf21("7","3","2","3","5","7","3","1") = "6"
    & skf21("7","3","2","3","5","7","4","1") = "6"
    & skf21("7","3","2","3","5","7","5","1") = "6"
    & skf21("7","3","2","3","5","7","6","1") = "6"
    & skf21("7","3","2","3","5","7","7","1") = "6"
    & skf21("7","3","2","3","6","1","1","1") = "6"
    & skf21("7","3","2","3","6","1","2","1") = "6"
    & skf21("7","3","2","3","6","1","3","1") = "6"
    & skf21("7","3","2","3","6","1","4","1") = "6"
    & skf21("7","3","2","3","6","1","5","1") = "6"
    & skf21("7","3","2","3","6","1","6","1") = "6"
    & skf21("7","3","2","3","6","1","7","1") = "6"
    & skf21("7","3","2","3","6","2","1","1") = "6"
    & skf21("7","3","2","3","6","2","2","1") = "6"
    & skf21("7","3","2","3","6","2","3","1") = "6"
    & skf21("7","3","2","3","6","2","4","1") = "6"
    & skf21("7","3","2","3","6","2","5","1") = "6"
    & skf21("7","3","2","3","6","2","6","1") = "6"
    & skf21("7","3","2","3","6","2","7","1") = "6"
    & skf21("7","3","2","3","6","3","1","1") = "6"
    & skf21("7","3","2","3","6","3","2","1") = "6"
    & skf21("7","3","2","3","6","3","3","1") = "6"
    & skf21("7","3","2","3","6","3","4","1") = "6"
    & skf21("7","3","2","3","6","3","5","1") = "6"
    & skf21("7","3","2","3","6","3","6","1") = "6"
    & skf21("7","3","2","3","6","3","7","1") = "6"
    & skf21("7","3","2","3","6","4","1","1") = "6"
    & skf21("7","3","2","3","6","4","2","1") = "6"
    & skf21("7","3","2","3","6","4","3","1") = "6"
    & skf21("7","3","2","3","6","4","4","1") = "6"
    & skf21("7","3","2","3","6","4","5","1") = "6"
    & skf21("7","3","2","3","6","4","6","1") = "6"
    & skf21("7","3","2","3","6","4","7","1") = "6"
    & skf21("7","3","2","3","6","5","1","1") = "6"
    & skf21("7","3","2","3","6","5","2","1") = "6"
    & skf21("7","3","2","3","6","5","3","1") = "6"
    & skf21("7","3","2","3","6","5","4","1") = "6"
    & skf21("7","3","2","3","6","5","5","1") = "6"
    & skf21("7","3","2","3","6","5","6","1") = "6"
    & skf21("7","3","2","3","6","5","7","1") = "6"
    & skf21("7","3","2","3","6","6","1","1") = "6"
    & skf21("7","3","2","3","6","6","2","1") = "6"
    & skf21("7","3","2","3","6","6","3","1") = "6"
    & skf21("7","3","2","3","6","6","4","1") = "6"
    & skf21("7","3","2","3","6","6","5","1") = "6"
    & skf21("7","3","2","3","6","6","6","1") = "6"
    & skf21("7","3","2","3","6","6","7","1") = "6"
    & skf21("7","3","2","3","6","7","1","1") = "6"
    & skf21("7","3","2","3","6","7","2","1") = "6"
    & skf21("7","3","2","3","6","7","3","1") = "6"
    & skf21("7","3","2","3","6","7","4","1") = "6"
    & skf21("7","3","2","3","6","7","5","1") = "6"
    & skf21("7","3","2","3","6","7","6","1") = "6"
    & skf21("7","3","2","3","6","7","7","1") = "6"
    & skf21("7","3","2","3","7","1","1","1") = "6"
    & skf21("7","3","2","3","7","1","2","1") = "6"
    & skf21("7","3","2","3","7","1","3","1") = "6"
    & skf21("7","3","2","3","7","1","4","1") = "6"
    & skf21("7","3","2","3","7","1","5","1") = "6"
    & skf21("7","3","2","3","7","1","6","1") = "6"
    & skf21("7","3","2","3","7","1","7","1") = "6"
    & skf21("7","3","2","3","7","2","1","1") = "6"
    & skf21("7","3","2","3","7","2","2","1") = "6"
    & skf21("7","3","2","3","7","2","3","1") = "6"
    & skf21("7","3","2","3","7","2","4","1") = "6"
    & skf21("7","3","2","3","7","2","5","1") = "6"
    & skf21("7","3","2","3","7","2","6","1") = "6"
    & skf21("7","3","2","3","7","2","7","1") = "6"
    & skf21("7","3","2","3","7","3","1","1") = "6"
    & skf21("7","3","2","3","7","3","2","1") = "6"
    & skf21("7","3","2","3","7","3","3","1") = "6"
    & skf21("7","3","2","3","7","3","4","1") = "6"
    & skf21("7","3","2","3","7","3","5","1") = "6"
    & skf21("7","3","2","3","7","3","6","1") = "6"
    & skf21("7","3","2","3","7","3","7","1") = "6"
    & skf21("7","3","2","3","7","4","1","1") = "6"
    & skf21("7","3","2","3","7","4","2","1") = "6"
    & skf21("7","3","2","3","7","4","3","1") = "6"
    & skf21("7","3","2","3","7","4","4","1") = "6"
    & skf21("7","3","2","3","7","4","5","1") = "6"
    & skf21("7","3","2","3","7","4","6","1") = "6"
    & skf21("7","3","2","3","7","4","7","1") = "6"
    & skf21("7","3","2","3","7","5","1","1") = "6"
    & skf21("7","3","2","3","7","5","2","1") = "6"
    & skf21("7","3","2","3","7","5","3","1") = "6"
    & skf21("7","3","2","3","7","5","4","1") = "6"
    & skf21("7","3","2","3","7","5","5","1") = "6"
    & skf21("7","3","2","3","7","5","6","1") = "6"
    & skf21("7","3","2","3","7","5","7","1") = "6"
    & skf21("7","3","2","3","7","6","1","1") = "6"
    & skf21("7","3","2","3","7","6","2","1") = "6"
    & skf21("7","3","2","3","7","6","3","1") = "6"
    & skf21("7","3","2","3","7","6","4","1") = "6"
    & skf21("7","3","2","3","7","6","5","1") = "6"
    & skf21("7","3","2","3","7","6","6","1") = "6"
    & skf21("7","3","2","3","7","6","7","1") = "6"
    & skf21("7","3","2","3","7","7","1","1") = "6"
    & skf21("7","3","2","3","7","7","2","1") = "6"
    & skf21("7","3","2","3","7","7","3","1") = "6"
    & skf21("7","3","2","3","7","7","4","1") = "6"
    & skf21("7","3","2","3","7","7","5","1") = "6"
    & skf21("7","3","2","3","7","7","6","1") = "6"
    & skf21("7","3","2","3","7","7","7","1") = "6"
    & skf21("7","3","2","4","1","1","1","1") = "6"
    & skf21("7","3","2","4","1","1","2","1") = "6"
    & skf21("7","3","2","4","1","1","3","1") = "6"
    & skf21("7","3","2","4","1","1","4","1") = "6"
    & skf21("7","3","2","4","1","1","5","1") = "6"
    & skf21("7","3","2","4","1","1","6","1") = "6"
    & skf21("7","3","2","4","1","1","7","1") = "6"
    & skf21("7","3","2","4","1","2","1","1") = "6"
    & skf21("7","3","2","4","1","2","2","1") = "6"
    & skf21("7","3","2","4","1","2","3","1") = "6"
    & skf21("7","3","2","4","1","2","4","1") = "6"
    & skf21("7","3","2","4","1","2","5","1") = "6"
    & skf21("7","3","2","4","1","2","6","1") = "6"
    & skf21("7","3","2","4","1","2","7","1") = "6"
    & skf21("7","3","2","4","1","3","1","1") = "6"
    & skf21("7","3","2","4","1","3","2","1") = "6"
    & skf21("7","3","2","4","1","3","3","1") = "6"
    & skf21("7","3","2","4","1","3","4","1") = "6"
    & skf21("7","3","2","4","1","3","5","1") = "6"
    & skf21("7","3","2","4","1","3","6","1") = "6"
    & skf21("7","3","2","4","1","3","7","1") = "6"
    & skf21("7","3","2","4","1","4","1","1") = "6"
    & skf21("7","3","2","4","1","4","2","1") = "6"
    & skf21("7","3","2","4","1","4","3","1") = "6"
    & skf21("7","3","2","4","1","4","4","1") = "6"
    & skf21("7","3","2","4","1","4","5","1") = "6"
    & skf21("7","3","2","4","1","4","6","1") = "6"
    & skf21("7","3","2","4","1","4","7","1") = "6"
    & skf21("7","3","2","4","1","5","1","1") = "6"
    & skf21("7","3","2","4","1","5","2","1") = "6"
    & skf21("7","3","2","4","1","5","3","1") = "6"
    & skf21("7","3","2","4","1","5","4","1") = "6"
    & skf21("7","3","2","4","1","5","5","1") = "6"
    & skf21("7","3","2","4","1","5","6","1") = "6"
    & skf21("7","3","2","4","1","5","7","1") = "6"
    & skf21("7","3","2","4","1","6","1","1") = "6"
    & skf21("7","3","2","4","1","6","2","1") = "6"
    & skf21("7","3","2","4","1","6","3","1") = "6"
    & skf21("7","3","2","4","1","6","4","1") = "6"
    & skf21("7","3","2","4","1","6","5","1") = "6"
    & skf21("7","3","2","4","1","6","6","1") = "6"
    & skf21("7","3","2","4","1","6","7","1") = "6"
    & skf21("7","3","2","4","1","7","1","1") = "6"
    & skf21("7","3","2","4","1","7","2","1") = "6"
    & skf21("7","3","2","4","1","7","3","1") = "6"
    & skf21("7","3","2","4","1","7","4","1") = "6"
    & skf21("7","3","2","4","1","7","5","1") = "6"
    & skf21("7","3","2","4","1","7","6","1") = "6"
    & skf21("7","3","2","4","1","7","7","1") = "6"
    & skf21("7","3","2","4","2","1","1","1") = "6"
    & skf21("7","3","2","4","2","1","2","1") = "6"
    & skf21("7","3","2","4","2","1","3","1") = "6"
    & skf21("7","3","2","4","2","1","4","1") = "6"
    & skf21("7","3","2","4","2","1","5","1") = "6"
    & skf21("7","3","2","4","2","1","6","1") = "6"
    & skf21("7","3","2","4","2","1","7","1") = "6"
    & skf21("7","3","2","4","2","2","1","1") = "6"
    & skf21("7","3","2","4","2","2","2","1") = "6"
    & skf21("7","3","2","4","2","2","3","1") = "6"
    & skf21("7","3","2","4","2","2","4","1") = "6"
    & skf21("7","3","2","4","2","2","5","1") = "6"
    & skf21("7","3","2","4","2","2","6","1") = "6"
    & skf21("7","3","2","4","2","2","7","1") = "6"
    & skf21("7","3","2","4","2","3","1","1") = "6"
    & skf21("7","3","2","4","2","3","2","1") = "6"
    & skf21("7","3","2","4","2","3","3","1") = "6"
    & skf21("7","3","2","4","2","3","4","1") = "6"
    & skf21("7","3","2","4","2","3","5","1") = "6"
    & skf21("7","3","2","4","2","3","6","1") = "6"
    & skf21("7","3","2","4","2","3","7","1") = "6"
    & skf21("7","3","2","4","2","4","1","1") = "6"
    & skf21("7","3","2","4","2","4","2","1") = "6"
    & skf21("7","3","2","4","2","4","3","1") = "6"
    & skf21("7","3","2","4","2","4","4","1") = "6"
    & skf21("7","3","2","4","2","4","5","1") = "6"
    & skf21("7","3","2","4","2","4","6","1") = "6"
    & skf21("7","3","2","4","2","4","7","1") = "6"
    & skf21("7","3","2","4","2","5","1","1") = "6"
    & skf21("7","3","2","4","2","5","2","1") = "6"
    & skf21("7","3","2","4","2","5","3","1") = "6"
    & skf21("7","3","2","4","2","5","4","1") = "6"
    & skf21("7","3","2","4","2","5","5","1") = "6"
    & skf21("7","3","2","4","2","5","6","1") = "6"
    & skf21("7","3","2","4","2","5","7","1") = "6"
    & skf21("7","3","2","4","2","6","1","1") = "6"
    & skf21("7","3","2","4","2","6","2","1") = "6"
    & skf21("7","3","2","4","2","6","3","1") = "6"
    & skf21("7","3","2","4","2","6","4","1") = "6"
    & skf21("7","3","2","4","2","6","5","1") = "6"
    & skf21("7","3","2","4","2","6","6","1") = "6"
    & skf21("7","3","2","4","2","6","7","1") = "6"
    & skf21("7","3","2","4","2","7","1","1") = "6"
    & skf21("7","3","2","4","2","7","2","1") = "6"
    & skf21("7","3","2","4","2","7","3","1") = "6"
    & skf21("7","3","2","4","2","7","4","1") = "6"
    & skf21("7","3","2","4","2","7","5","1") = "6"
    & skf21("7","3","2","4","2","7","6","1") = "6"
    & skf21("7","3","2","4","2","7","7","1") = "6"
    & skf21("7","3","2","4","3","1","1","1") = "6"
    & skf21("7","3","2","4","3","1","2","1") = "6"
    & skf21("7","3","2","4","3","1","3","1") = "6"
    & skf21("7","3","2","4","3","1","4","1") = "6"
    & skf21("7","3","2","4","3","1","5","1") = "6"
    & skf21("7","3","2","4","3","1","6","1") = "6"
    & skf21("7","3","2","4","3","1","7","1") = "6"
    & skf21("7","3","2","4","3","2","1","1") = "6"
    & skf21("7","3","2","4","3","2","2","1") = "6"
    & skf21("7","3","2","4","3","2","3","1") = "6"
    & skf21("7","3","2","4","3","2","4","1") = "6"
    & skf21("7","3","2","4","3","2","5","1") = "6"
    & skf21("7","3","2","4","3","2","6","1") = "6"
    & skf21("7","3","2","4","3","2","7","1") = "6"
    & skf21("7","3","2","4","3","3","1","1") = "6"
    & skf21("7","3","2","4","3","3","2","1") = "6"
    & skf21("7","3","2","4","3","3","3","1") = "6"
    & skf21("7","3","2","4","3","3","4","1") = "6"
    & skf21("7","3","2","4","3","3","5","1") = "6"
    & skf21("7","3","2","4","3","3","6","1") = "6"
    & skf21("7","3","2","4","3","3","7","1") = "6"
    & skf21("7","3","2","4","3","4","1","1") = "6"
    & skf21("7","3","2","4","3","4","2","1") = "6"
    & skf21("7","3","2","4","3","4","3","1") = "6"
    & skf21("7","3","2","4","3","4","4","1") = "6"
    & skf21("7","3","2","4","3","4","5","1") = "6"
    & skf21("7","3","2","4","3","4","6","1") = "6"
    & skf21("7","3","2","4","3","4","7","1") = "6"
    & skf21("7","3","2","4","3","5","1","1") = "6"
    & skf21("7","3","2","4","3","5","2","1") = "6"
    & skf21("7","3","2","4","3","5","3","1") = "6"
    & skf21("7","3","2","4","3","5","4","1") = "6"
    & skf21("7","3","2","4","3","5","5","1") = "6"
    & skf21("7","3","2","4","3","5","6","1") = "6"
    & skf21("7","3","2","4","3","5","7","1") = "6"
    & skf21("7","3","2","4","3","6","1","1") = "6"
    & skf21("7","3","2","4","3","6","2","1") = "6"
    & skf21("7","3","2","4","3","6","3","1") = "6"
    & skf21("7","3","2","4","3","6","4","1") = "6"
    & skf21("7","3","2","4","3","6","5","1") = "6"
    & skf21("7","3","2","4","3","6","6","1") = "6"
    & skf21("7","3","2","4","3","6","7","1") = "6"
    & skf21("7","3","2","4","3","7","1","1") = "6"
    & skf21("7","3","2","4","3","7","2","1") = "6"
    & skf21("7","3","2","4","3","7","3","1") = "6"
    & skf21("7","3","2","4","3","7","4","1") = "6"
    & skf21("7","3","2","4","3","7","5","1") = "6"
    & skf21("7","3","2","4","3","7","6","1") = "6"
    & skf21("7","3","2","4","3","7","7","1") = "6"
    & skf21("7","3","2","4","4","1","1","1") = "6"
    & skf21("7","3","2","4","4","1","2","1") = "6"
    & skf21("7","3","2","4","4","1","3","1") = "6"
    & skf21("7","3","2","4","4","1","4","1") = "6"
    & skf21("7","3","2","4","4","1","5","1") = "6"
    & skf21("7","3","2","4","4","1","6","1") = "6"
    & skf21("7","3","2","4","4","1","7","1") = "6"
    & skf21("7","3","2","4","4","2","1","1") = "6"
    & skf21("7","3","2","4","4","2","2","1") = "6"
    & skf21("7","3","2","4","4","2","3","1") = "6"
    & skf21("7","3","2","4","4","2","4","1") = "6"
    & skf21("7","3","2","4","4","2","5","1") = "6"
    & skf21("7","3","2","4","4","2","6","1") = "6"
    & skf21("7","3","2","4","4","2","7","1") = "6"
    & skf21("7","3","2","4","4","3","1","1") = "6"
    & skf21("7","3","2","4","4","3","2","1") = "6"
    & skf21("7","3","2","4","4","3","3","1") = "6"
    & skf21("7","3","2","4","4","3","4","1") = "6"
    & skf21("7","3","2","4","4","3","5","1") = "6"
    & skf21("7","3","2","4","4","3","6","1") = "6"
    & skf21("7","3","2","4","4","3","7","1") = "6"
    & skf21("7","3","2","4","4","4","1","1") = "6"
    & skf21("7","3","2","4","4","4","2","1") = "6"
    & skf21("7","3","2","4","4","4","3","1") = "6"
    & skf21("7","3","2","4","4","4","4","1") = "6"
    & skf21("7","3","2","4","4","4","5","1") = "6"
    & skf21("7","3","2","4","4","4","6","1") = "6"
    & skf21("7","3","2","4","4","4","7","1") = "6"
    & skf21("7","3","2","4","4","5","1","1") = "6"
    & skf21("7","3","2","4","4","5","2","1") = "6"
    & skf21("7","3","2","4","4","5","3","1") = "6"
    & skf21("7","3","2","4","4","5","4","1") = "6"
    & skf21("7","3","2","4","4","5","5","1") = "6"
    & skf21("7","3","2","4","4","5","6","1") = "6"
    & skf21("7","3","2","4","4","5","7","1") = "6"
    & skf21("7","3","2","4","4","6","1","1") = "6"
    & skf21("7","3","2","4","4","6","2","1") = "6"
    & skf21("7","3","2","4","4","6","3","1") = "6"
    & skf21("7","3","2","4","4","6","4","1") = "6"
    & skf21("7","3","2","4","4","6","5","1") = "6"
    & skf21("7","3","2","4","4","6","6","1") = "6"
    & skf21("7","3","2","4","4","6","7","1") = "6"
    & skf21("7","3","2","4","4","7","1","1") = "6"
    & skf21("7","3","2","4","4","7","2","1") = "6"
    & skf21("7","3","2","4","4","7","3","1") = "6"
    & skf21("7","3","2","4","4","7","4","1") = "6"
    & skf21("7","3","2","4","4","7","5","1") = "6"
    & skf21("7","3","2","4","4","7","6","1") = "6"
    & skf21("7","3","2","4","4","7","7","1") = "6"
    & skf21("7","3","2","4","5","1","1","1") = "6"
    & skf21("7","3","2","4","5","1","2","1") = "6"
    & skf21("7","3","2","4","5","1","3","1") = "6"
    & skf21("7","3","2","4","5","1","4","1") = "6"
    & skf21("7","3","2","4","5","1","5","1") = "6"
    & skf21("7","3","2","4","5","1","6","1") = "6"
    & skf21("7","3","2","4","5","1","7","1") = "6"
    & skf21("7","3","2","4","5","2","1","1") = "6"
    & skf21("7","3","2","4","5","2","2","1") = "6"
    & skf21("7","3","2","4","5","2","3","1") = "6"
    & skf21("7","3","2","4","5","2","4","1") = "6"
    & skf21("7","3","2","4","5","2","5","1") = "6"
    & skf21("7","3","2","4","5","2","6","1") = "6"
    & skf21("7","3","2","4","5","2","7","1") = "6"
    & skf21("7","3","2","4","5","3","1","1") = "6"
    & skf21("7","3","2","4","5","3","2","1") = "6"
    & skf21("7","3","2","4","5","3","3","1") = "6"
    & skf21("7","3","2","4","5","3","4","1") = "6"
    & skf21("7","3","2","4","5","3","5","1") = "6"
    & skf21("7","3","2","4","5","3","6","1") = "6"
    & skf21("7","3","2","4","5","3","7","1") = "6"
    & skf21("7","3","2","4","5","4","1","1") = "6"
    & skf21("7","3","2","4","5","4","2","1") = "6"
    & skf21("7","3","2","4","5","4","3","1") = "6"
    & skf21("7","3","2","4","5","4","4","1") = "6"
    & skf21("7","3","2","4","5","4","5","1") = "6"
    & skf21("7","3","2","4","5","4","6","1") = "6"
    & skf21("7","3","2","4","5","4","7","1") = "6"
    & skf21("7","3","2","4","5","5","1","1") = "6"
    & skf21("7","3","2","4","5","5","2","1") = "6"
    & skf21("7","3","2","4","5","5","3","1") = "6"
    & skf21("7","3","2","4","5","5","4","1") = "6"
    & skf21("7","3","2","4","5","5","5","1") = "6"
    & skf21("7","3","2","4","5","5","6","1") = "6"
    & skf21("7","3","2","4","5","5","7","1") = "6"
    & skf21("7","3","2","4","5","6","1","1") = "6"
    & skf21("7","3","2","4","5","6","2","1") = "6"
    & skf21("7","3","2","4","5","6","3","1") = "6"
    & skf21("7","3","2","4","5","6","4","1") = "6"
    & skf21("7","3","2","4","5","6","5","1") = "6"
    & skf21("7","3","2","4","5","6","6","1") = "6"
    & skf21("7","3","2","4","5","6","7","1") = "6"
    & skf21("7","3","2","4","5","7","1","1") = "6"
    & skf21("7","3","2","4","5","7","2","1") = "6"
    & skf21("7","3","2","4","5","7","3","1") = "6"
    & skf21("7","3","2","4","5","7","4","1") = "6"
    & skf21("7","3","2","4","5","7","5","1") = "6"
    & skf21("7","3","2","4","5","7","6","1") = "6"
    & skf21("7","3","2","4","5","7","7","1") = "6"
    & skf21("7","3","2","4","6","1","1","1") = "6"
    & skf21("7","3","2","4","6","1","2","1") = "6"
    & skf21("7","3","2","4","6","1","3","1") = "6"
    & skf21("7","3","2","4","6","1","4","1") = "6"
    & skf21("7","3","2","4","6","1","5","1") = "6"
    & skf21("7","3","2","4","6","1","6","1") = "6"
    & skf21("7","3","2","4","6","1","7","1") = "6"
    & skf21("7","3","2","4","6","2","1","1") = "6"
    & skf21("7","3","2","4","6","2","2","1") = "6"
    & skf21("7","3","2","4","6","2","3","1") = "6"
    & skf21("7","3","2","4","6","2","4","1") = "6"
    & skf21("7","3","2","4","6","2","5","1") = "6"
    & skf21("7","3","2","4","6","2","6","1") = "6"
    & skf21("7","3","2","4","6","2","7","1") = "6"
    & skf21("7","3","2","4","6","3","1","1") = "6"
    & skf21("7","3","2","4","6","3","2","1") = "6"
    & skf21("7","3","2","4","6","3","3","1") = "6"
    & skf21("7","3","2","4","6","3","4","1") = "6"
    & skf21("7","3","2","4","6","3","5","1") = "6"
    & skf21("7","3","2","4","6","3","6","1") = "6"
    & skf21("7","3","2","4","6","3","7","1") = "6"
    & skf21("7","3","2","4","6","4","1","1") = "6"
    & skf21("7","3","2","4","6","4","2","1") = "6"
    & skf21("7","3","2","4","6","4","3","1") = "6"
    & skf21("7","3","2","4","6","4","4","1") = "6"
    & skf21("7","3","2","4","6","4","5","1") = "6"
    & skf21("7","3","2","4","6","4","6","1") = "6"
    & skf21("7","3","2","4","6","4","7","1") = "6"
    & skf21("7","3","2","4","6","5","1","1") = "6"
    & skf21("7","3","2","4","6","5","2","1") = "6"
    & skf21("7","3","2","4","6","5","3","1") = "6"
    & skf21("7","3","2","4","6","5","4","1") = "6"
    & skf21("7","3","2","4","6","5","5","1") = "6"
    & skf21("7","3","2","4","6","5","6","1") = "6"
    & skf21("7","3","2","4","6","5","7","1") = "6"
    & skf21("7","3","2","4","6","6","1","1") = "6"
    & skf21("7","3","2","4","6","6","2","1") = "6"
    & skf21("7","3","2","4","6","6","3","1") = "6"
    & skf21("7","3","2","4","6","6","4","1") = "6"
    & skf21("7","3","2","4","6","6","5","1") = "6"
    & skf21("7","3","2","4","6","6","6","1") = "6"
    & skf21("7","3","2","4","6","6","7","1") = "6"
    & skf21("7","3","2","4","6","7","1","1") = "6"
    & skf21("7","3","2","4","6","7","2","1") = "6"
    & skf21("7","3","2","4","6","7","3","1") = "6"
    & skf21("7","3","2","4","6","7","4","1") = "6"
    & skf21("7","3","2","4","6","7","5","1") = "6"
    & skf21("7","3","2","4","6","7","6","1") = "6"
    & skf21("7","3","2","4","6","7","7","1") = "6"
    & skf21("7","3","2","4","7","1","1","1") = "6"
    & skf21("7","3","2","4","7","1","2","1") = "6"
    & skf21("7","3","2","4","7","1","3","1") = "6"
    & skf21("7","3","2","4","7","1","4","1") = "6"
    & skf21("7","3","2","4","7","1","5","1") = "6"
    & skf21("7","3","2","4","7","1","6","1") = "6"
    & skf21("7","3","2","4","7","1","7","1") = "6"
    & skf21("7","3","2","4","7","2","1","1") = "6"
    & skf21("7","3","2","4","7","2","2","1") = "6"
    & skf21("7","3","2","4","7","2","3","1") = "6"
    & skf21("7","3","2","4","7","2","4","1") = "6"
    & skf21("7","3","2","4","7","2","5","1") = "6"
    & skf21("7","3","2","4","7","2","6","1") = "6"
    & skf21("7","3","2","4","7","2","7","1") = "6"
    & skf21("7","3","2","4","7","3","1","1") = "6"
    & skf21("7","3","2","4","7","3","2","1") = "6"
    & skf21("7","3","2","4","7","3","3","1") = "6"
    & skf21("7","3","2","4","7","3","4","1") = "6"
    & skf21("7","3","2","4","7","3","5","1") = "6"
    & skf21("7","3","2","4","7","3","6","1") = "6"
    & skf21("7","3","2","4","7","3","7","1") = "6"
    & skf21("7","3","2","4","7","4","1","1") = "6"
    & skf21("7","3","2","4","7","4","2","1") = "6"
    & skf21("7","3","2","4","7","4","3","1") = "6"
    & skf21("7","3","2","4","7","4","4","1") = "6"
    & skf21("7","3","2","4","7","4","5","1") = "6"
    & skf21("7","3","2","4","7","4","6","1") = "6"
    & skf21("7","3","2","4","7","4","7","1") = "6"
    & skf21("7","3","2","4","7","5","1","1") = "6"
    & skf21("7","3","2","4","7","5","2","1") = "6"
    & skf21("7","3","2","4","7","5","3","1") = "6"
    & skf21("7","3","2","4","7","5","4","1") = "6"
    & skf21("7","3","2","4","7","5","5","1") = "6"
    & skf21("7","3","2","4","7","5","6","1") = "6"
    & skf21("7","3","2","4","7","5","7","1") = "6"
    & skf21("7","3","2","4","7","6","1","1") = "6"
    & skf21("7","3","2","4","7","6","2","1") = "6"
    & skf21("7","3","2","4","7","6","3","1") = "6"
    & skf21("7","3","2","4","7","6","4","1") = "6"
    & skf21("7","3","2","4","7","6","5","1") = "6"
    & skf21("7","3","2","4","7","6","6","1") = "6"
    & skf21("7","3","2","4","7","6","7","1") = "6"
    & skf21("7","3","2","4","7","7","1","1") = "6"
    & skf21("7","3","2","4","7","7","2","1") = "6"
    & skf21("7","3","2","4","7","7","3","1") = "6"
    & skf21("7","3","2","4","7","7","4","1") = "6"
    & skf21("7","3","2","4","7","7","5","1") = "6"
    & skf21("7","3","2","4","7","7","6","1") = "6"
    & skf21("7","3","2","4","7","7","7","1") = "6"
    & skf21("7","3","2","5","1","1","1","1") = "6"
    & skf21("7","3","2","5","1","1","2","1") = "6"
    & skf21("7","3","2","5","1","1","3","1") = "6"
    & skf21("7","3","2","5","1","1","4","1") = "6"
    & skf21("7","3","2","5","1","1","5","1") = "6"
    & skf21("7","3","2","5","1","1","6","1") = "6"
    & skf21("7","3","2","5","1","1","7","1") = "6"
    & skf21("7","3","2","5","1","2","1","1") = "6"
    & skf21("7","3","2","5","1","2","2","1") = "6"
    & skf21("7","3","2","5","1","2","3","1") = "6"
    & skf21("7","3","2","5","1","2","4","1") = "6"
    & skf21("7","3","2","5","1","2","5","1") = "6"
    & skf21("7","3","2","5","1","2","6","1") = "6"
    & skf21("7","3","2","5","1","2","7","1") = "6"
    & skf21("7","3","2","5","1","3","1","1") = "6"
    & skf21("7","3","2","5","1","3","2","1") = "6"
    & skf21("7","3","2","5","1","3","3","1") = "6"
    & skf21("7","3","2","5","1","3","4","1") = "6"
    & skf21("7","3","2","5","1","3","5","1") = "6"
    & skf21("7","3","2","5","1","3","6","1") = "6"
    & skf21("7","3","2","5","1","3","7","1") = "6"
    & skf21("7","3","2","5","1","4","1","1") = "6"
    & skf21("7","3","2","5","1","4","2","1") = "6"
    & skf21("7","3","2","5","1","4","3","1") = "6"
    & skf21("7","3","2","5","1","4","4","1") = "6"
    & skf21("7","3","2","5","1","4","5","1") = "6"
    & skf21("7","3","2","5","1","4","6","1") = "6"
    & skf21("7","3","2","5","1","4","7","1") = "6"
    & skf21("7","3","2","5","1","5","1","1") = "6"
    & skf21("7","3","2","5","1","5","2","1") = "6"
    & skf21("7","3","2","5","1","5","3","1") = "6"
    & skf21("7","3","2","5","1","5","4","1") = "6"
    & skf21("7","3","2","5","1","5","5","1") = "6"
    & skf21("7","3","2","5","1","5","6","1") = "6"
    & skf21("7","3","2","5","1","5","7","1") = "6"
    & skf21("7","3","2","5","1","6","1","1") = "6"
    & skf21("7","3","2","5","1","6","2","1") = "6"
    & skf21("7","3","2","5","1","6","3","1") = "6"
    & skf21("7","3","2","5","1","6","4","1") = "6"
    & skf21("7","3","2","5","1","6","5","1") = "6"
    & skf21("7","3","2","5","1","6","6","1") = "6"
    & skf21("7","3","2","5","1","6","7","1") = "6"
    & skf21("7","3","2","5","1","7","1","1") = "6"
    & skf21("7","3","2","5","1","7","2","1") = "6"
    & skf21("7","3","2","5","1","7","3","1") = "6"
    & skf21("7","3","2","5","1","7","4","1") = "6"
    & skf21("7","3","2","5","1","7","5","1") = "6"
    & skf21("7","3","2","5","1","7","6","1") = "6"
    & skf21("7","3","2","5","1","7","7","1") = "6"
    & skf21("7","3","2","5","2","1","1","1") = "6"
    & skf21("7","3","2","5","2","1","2","1") = "6"
    & skf21("7","3","2","5","2","1","3","1") = "6"
    & skf21("7","3","2","5","2","1","4","1") = "6"
    & skf21("7","3","2","5","2","1","5","1") = "6"
    & skf21("7","3","2","5","2","1","6","1") = "6"
    & skf21("7","3","2","5","2","1","7","1") = "6"
    & skf21("7","3","2","5","2","2","1","1") = "6"
    & skf21("7","3","2","5","2","2","2","1") = "6"
    & skf21("7","3","2","5","2","2","3","1") = "6"
    & skf21("7","3","2","5","2","2","4","1") = "6"
    & skf21("7","3","2","5","2","2","5","1") = "6"
    & skf21("7","3","2","5","2","2","6","1") = "6"
    & skf21("7","3","2","5","2","2","7","1") = "6"
    & skf21("7","3","2","5","2","3","1","1") = "6"
    & skf21("7","3","2","5","2","3","2","1") = "6"
    & skf21("7","3","2","5","2","3","3","1") = "6"
    & skf21("7","3","2","5","2","3","4","1") = "6"
    & skf21("7","3","2","5","2","3","5","1") = "6"
    & skf21("7","3","2","5","2","3","6","1") = "6"
    & skf21("7","3","2","5","2","3","7","1") = "6"
    & skf21("7","3","2","5","2","4","1","1") = "6"
    & skf21("7","3","2","5","2","4","2","1") = "6"
    & skf21("7","3","2","5","2","4","3","1") = "6"
    & skf21("7","3","2","5","2","4","4","1") = "6"
    & skf21("7","3","2","5","2","4","5","1") = "6"
    & skf21("7","3","2","5","2","4","6","1") = "6"
    & skf21("7","3","2","5","2","4","7","1") = "6"
    & skf21("7","3","2","5","2","5","1","1") = "6"
    & skf21("7","3","2","5","2","5","2","1") = "6"
    & skf21("7","3","2","5","2","5","3","1") = "6"
    & skf21("7","3","2","5","2","5","4","1") = "6"
    & skf21("7","3","2","5","2","5","5","1") = "6"
    & skf21("7","3","2","5","2","5","6","1") = "6"
    & skf21("7","3","2","5","2","5","7","1") = "6"
    & skf21("7","3","2","5","2","6","1","1") = "6"
    & skf21("7","3","2","5","2","6","2","1") = "6"
    & skf21("7","3","2","5","2","6","3","1") = "6"
    & skf21("7","3","2","5","2","6","4","1") = "6"
    & skf21("7","3","2","5","2","6","5","1") = "6"
    & skf21("7","3","2","5","2","6","6","1") = "6"
    & skf21("7","3","2","5","2","6","7","1") = "6"
    & skf21("7","3","2","5","2","7","1","1") = "6"
    & skf21("7","3","2","5","2","7","2","1") = "6"
    & skf21("7","3","2","5","2","7","3","1") = "6"
    & skf21("7","3","2","5","2","7","4","1") = "6"
    & skf21("7","3","2","5","2","7","5","1") = "6"
    & skf21("7","3","2","5","2","7","6","1") = "6"
    & skf21("7","3","2","5","2","7","7","1") = "6"
    & skf21("7","3","2","5","3","1","1","1") = "6"
    & skf21("7","3","2","5","3","1","2","1") = "6"
    & skf21("7","3","2","5","3","1","3","1") = "6"
    & skf21("7","3","2","5","3","1","4","1") = "6"
    & skf21("7","3","2","5","3","1","5","1") = "6"
    & skf21("7","3","2","5","3","1","6","1") = "6"
    & skf21("7","3","2","5","3","1","7","1") = "6"
    & skf21("7","3","2","5","3","2","1","1") = "6"
    & skf21("7","3","2","5","3","2","2","1") = "6"
    & skf21("7","3","2","5","3","2","3","1") = "6"
    & skf21("7","3","2","5","3","2","4","1") = "6"
    & skf21("7","3","2","5","3","2","5","1") = "6"
    & skf21("7","3","2","5","3","2","6","1") = "6"
    & skf21("7","3","2","5","3","2","7","1") = "6"
    & skf21("7","3","2","5","3","3","1","1") = "6"
    & skf21("7","3","2","5","3","3","2","1") = "6"
    & skf21("7","3","2","5","3","3","3","1") = "6"
    & skf21("7","3","2","5","3","3","4","1") = "6"
    & skf21("7","3","2","5","3","3","5","1") = "6"
    & skf21("7","3","2","5","3","3","6","1") = "6"
    & skf21("7","3","2","5","3","3","7","1") = "6"
    & skf21("7","3","2","5","3","4","1","1") = "6"
    & skf21("7","3","2","5","3","4","2","1") = "6"
    & skf21("7","3","2","5","3","4","3","1") = "6"
    & skf21("7","3","2","5","3","4","4","1") = "6"
    & skf21("7","3","2","5","3","4","5","1") = "6"
    & skf21("7","3","2","5","3","4","6","1") = "6"
    & skf21("7","3","2","5","3","4","7","1") = "6"
    & skf21("7","3","2","5","3","5","1","1") = "6"
    & skf21("7","3","2","5","3","5","2","1") = "6"
    & skf21("7","3","2","5","3","5","3","1") = "6"
    & skf21("7","3","2","5","3","5","4","1") = "6"
    & skf21("7","3","2","5","3","5","5","1") = "6"
    & skf21("7","3","2","5","3","5","6","1") = "6"
    & skf21("7","3","2","5","3","5","7","1") = "6"
    & skf21("7","3","2","5","3","6","1","1") = "6"
    & skf21("7","3","2","5","3","6","2","1") = "6"
    & skf21("7","3","2","5","3","6","3","1") = "6"
    & skf21("7","3","2","5","3","6","4","1") = "6"
    & skf21("7","3","2","5","3","6","5","1") = "6"
    & skf21("7","3","2","5","3","6","6","1") = "6"
    & skf21("7","3","2","5","3","6","7","1") = "6"
    & skf21("7","3","2","5","3","7","1","1") = "6"
    & skf21("7","3","2","5","3","7","2","1") = "6"
    & skf21("7","3","2","5","3","7","3","1") = "6"
    & skf21("7","3","2","5","3","7","4","1") = "6"
    & skf21("7","3","2","5","3","7","5","1") = "6"
    & skf21("7","3","2","5","3","7","6","1") = "6"
    & skf21("7","3","2","5","3","7","7","1") = "6"
    & skf21("7","3","2","5","4","1","1","1") = "6"
    & skf21("7","3","2","5","4","1","2","1") = "6"
    & skf21("7","3","2","5","4","1","3","1") = "6"
    & skf21("7","3","2","5","4","1","4","1") = "6"
    & skf21("7","3","2","5","4","1","5","1") = "6"
    & skf21("7","3","2","5","4","1","6","1") = "6"
    & skf21("7","3","2","5","4","1","7","1") = "6"
    & skf21("7","3","2","5","4","2","1","1") = "6"
    & skf21("7","3","2","5","4","2","2","1") = "6"
    & skf21("7","3","2","5","4","2","3","1") = "6"
    & skf21("7","3","2","5","4","2","4","1") = "6"
    & skf21("7","3","2","5","4","2","5","1") = "6"
    & skf21("7","3","2","5","4","2","6","1") = "6"
    & skf21("7","3","2","5","4","2","7","1") = "6"
    & skf21("7","3","2","5","4","3","1","1") = "6"
    & skf21("7","3","2","5","4","3","2","1") = "6"
    & skf21("7","3","2","5","4","3","3","1") = "6"
    & skf21("7","3","2","5","4","3","4","1") = "6"
    & skf21("7","3","2","5","4","3","5","1") = "6"
    & skf21("7","3","2","5","4","3","6","1") = "6"
    & skf21("7","3","2","5","4","3","7","1") = "6"
    & skf21("7","3","2","5","4","4","1","1") = "6"
    & skf21("7","3","2","5","4","4","2","1") = "6"
    & skf21("7","3","2","5","4","4","3","1") = "6"
    & skf21("7","3","2","5","4","4","4","1") = "6"
    & skf21("7","3","2","5","4","4","5","1") = "6"
    & skf21("7","3","2","5","4","4","6","1") = "6"
    & skf21("7","3","2","5","4","4","7","1") = "6"
    & skf21("7","3","2","5","4","5","1","1") = "6"
    & skf21("7","3","2","5","4","5","2","1") = "6"
    & skf21("7","3","2","5","4","5","3","1") = "6"
    & skf21("7","3","2","5","4","5","4","1") = "6"
    & skf21("7","3","2","5","4","5","5","1") = "6"
    & skf21("7","3","2","5","4","5","6","1") = "6"
    & skf21("7","3","2","5","4","5","7","1") = "6"
    & skf21("7","3","2","5","4","6","1","1") = "6"
    & skf21("7","3","2","5","4","6","2","1") = "6"
    & skf21("7","3","2","5","4","6","3","1") = "6"
    & skf21("7","3","2","5","4","6","4","1") = "6"
    & skf21("7","3","2","5","4","6","5","1") = "6"
    & skf21("7","3","2","5","4","6","6","1") = "6"
    & skf21("7","3","2","5","4","6","7","1") = "6"
    & skf21("7","3","2","5","4","7","1","1") = "6"
    & skf21("7","3","2","5","4","7","2","1") = "6"
    & skf21("7","3","2","5","4","7","3","1") = "6"
    & skf21("7","3","2","5","4","7","4","1") = "6"
    & skf21("7","3","2","5","4","7","5","1") = "6"
    & skf21("7","3","2","5","4","7","6","1") = "6"
    & skf21("7","3","2","5","4","7","7","1") = "6"
    & skf21("7","3","2","5","5","1","1","1") = "6"
    & skf21("7","3","2","5","5","1","2","1") = "6"
    & skf21("7","3","2","5","5","1","3","1") = "6"
    & skf21("7","3","2","5","5","1","4","1") = "6"
    & skf21("7","3","2","5","5","1","5","1") = "6"
    & skf21("7","3","2","5","5","1","6","1") = "6"
    & skf21("7","3","2","5","5","1","7","1") = "6"
    & skf21("7","3","2","5","5","2","1","1") = "6"
    & skf21("7","3","2","5","5","2","2","1") = "6"
    & skf21("7","3","2","5","5","2","3","1") = "6"
    & skf21("7","3","2","5","5","2","4","1") = "6"
    & skf21("7","3","2","5","5","2","5","1") = "6"
    & skf21("7","3","2","5","5","2","6","1") = "6"
    & skf21("7","3","2","5","5","2","7","1") = "6"
    & skf21("7","3","2","5","5","3","1","1") = "6"
    & skf21("7","3","2","5","5","3","2","1") = "6"
    & skf21("7","3","2","5","5","3","3","1") = "6"
    & skf21("7","3","2","5","5","3","4","1") = "6"
    & skf21("7","3","2","5","5","3","5","1") = "6"
    & skf21("7","3","2","5","5","3","6","1") = "6"
    & skf21("7","3","2","5","5","3","7","1") = "6"
    & skf21("7","3","2","5","5","4","1","1") = "6"
    & skf21("7","3","2","5","5","4","2","1") = "6"
    & skf21("7","3","2","5","5","4","3","1") = "6"
    & skf21("7","3","2","5","5","4","4","1") = "6"
    & skf21("7","3","2","5","5","4","5","1") = "6"
    & skf21("7","3","2","5","5","4","6","1") = "6"
    & skf21("7","3","2","5","5","4","7","1") = "6"
    & skf21("7","3","2","5","5","5","1","1") = "6"
    & skf21("7","3","2","5","5","5","2","1") = "6"
    & skf21("7","3","2","5","5","5","3","1") = "6"
    & skf21("7","3","2","5","5","5","4","1") = "6"
    & skf21("7","3","2","5","5","5","5","1") = "6"
    & skf21("7","3","2","5","5","5","6","1") = "6"
    & skf21("7","3","2","5","5","5","7","1") = "6"
    & skf21("7","3","2","5","5","6","1","1") = "6"
    & skf21("7","3","2","5","5","6","2","1") = "6"
    & skf21("7","3","2","5","5","6","3","1") = "6"
    & skf21("7","3","2","5","5","6","4","1") = "6"
    & skf21("7","3","2","5","5","6","5","1") = "6"
    & skf21("7","3","2","5","5","6","6","1") = "6"
    & skf21("7","3","2","5","5","6","7","1") = "6"
    & skf21("7","3","2","5","5","7","1","1") = "6"
    & skf21("7","3","2","5","5","7","2","1") = "6"
    & skf21("7","3","2","5","5","7","3","1") = "6"
    & skf21("7","3","2","5","5","7","4","1") = "6"
    & skf21("7","3","2","5","5","7","5","1") = "6"
    & skf21("7","3","2","5","5","7","6","1") = "6"
    & skf21("7","3","2","5","5","7","7","1") = "6"
    & skf21("7","3","2","5","6","1","1","1") = "6"
    & skf21("7","3","2","5","6","1","2","1") = "6"
    & skf21("7","3","2","5","6","1","3","1") = "6"
    & skf21("7","3","2","5","6","1","4","1") = "6"
    & skf21("7","3","2","5","6","1","5","1") = "6"
    & skf21("7","3","2","5","6","1","6","1") = "6"
    & skf21("7","3","2","5","6","1","7","1") = "6"
    & skf21("7","3","2","5","6","2","1","1") = "6"
    & skf21("7","3","2","5","6","2","2","1") = "6"
    & skf21("7","3","2","5","6","2","3","1") = "6"
    & skf21("7","3","2","5","6","2","4","1") = "6"
    & skf21("7","3","2","5","6","2","5","1") = "6"
    & skf21("7","3","2","5","6","2","6","1") = "6"
    & skf21("7","3","2","5","6","2","7","1") = "6"
    & skf21("7","3","2","5","6","3","1","1") = "6"
    & skf21("7","3","2","5","6","3","2","1") = "6"
    & skf21("7","3","2","5","6","3","3","1") = "6"
    & skf21("7","3","2","5","6","3","4","1") = "6"
    & skf21("7","3","2","5","6","3","5","1") = "6"
    & skf21("7","3","2","5","6","3","6","1") = "6"
    & skf21("7","3","2","5","6","3","7","1") = "6"
    & skf21("7","3","2","5","6","4","1","1") = "6"
    & skf21("7","3","2","5","6","4","2","1") = "6"
    & skf21("7","3","2","5","6","4","3","1") = "6"
    & skf21("7","3","2","5","6","4","4","1") = "6"
    & skf21("7","3","2","5","6","4","5","1") = "6"
    & skf21("7","3","2","5","6","4","6","1") = "6"
    & skf21("7","3","2","5","6","4","7","1") = "6"
    & skf21("7","3","2","5","6","5","1","1") = "6"
    & skf21("7","3","2","5","6","5","2","1") = "6"
    & skf21("7","3","2","5","6","5","3","1") = "6"
    & skf21("7","3","2","5","6","5","4","1") = "6"
    & skf21("7","3","2","5","6","5","5","1") = "6"
    & skf21("7","3","2","5","6","5","6","1") = "6"
    & skf21("7","3","2","5","6","5","7","1") = "6"
    & skf21("7","3","2","5","6","6","1","1") = "6"
    & skf21("7","3","2","5","6","6","2","1") = "6"
    & skf21("7","3","2","5","6","6","3","1") = "6"
    & skf21("7","3","2","5","6","6","4","1") = "6"
    & skf21("7","3","2","5","6","6","5","1") = "6"
    & skf21("7","3","2","5","6","6","6","1") = "6"
    & skf21("7","3","2","5","6","6","7","1") = "6"
    & skf21("7","3","2","5","6","7","1","1") = "6"
    & skf21("7","3","2","5","6","7","2","1") = "6"
    & skf21("7","3","2","5","6","7","3","1") = "6"
    & skf21("7","3","2","5","6","7","4","1") = "6"
    & skf21("7","3","2","5","6","7","5","1") = "6"
    & skf21("7","3","2","5","6","7","6","1") = "6"
    & skf21("7","3","2","5","6","7","7","1") = "6"
    & skf21("7","3","2","5","7","1","1","1") = "6"
    & skf21("7","3","2","5","7","1","2","1") = "6"
    & skf21("7","3","2","5","7","1","3","1") = "6"
    & skf21("7","3","2","5","7","1","4","1") = "6"
    & skf21("7","3","2","5","7","1","5","1") = "6"
    & skf21("7","3","2","5","7","1","6","1") = "6"
    & skf21("7","3","2","5","7","1","7","1") = "6"
    & skf21("7","3","2","5","7","2","1","1") = "6"
    & skf21("7","3","2","5","7","2","2","1") = "6"
    & skf21("7","3","2","5","7","2","3","1") = "6"
    & skf21("7","3","2","5","7","2","4","1") = "6"
    & skf21("7","3","2","5","7","2","5","1") = "6"
    & skf21("7","3","2","5","7","2","6","1") = "6"
    & skf21("7","3","2","5","7","2","7","1") = "6"
    & skf21("7","3","2","5","7","3","1","1") = "6"
    & skf21("7","3","2","5","7","3","2","1") = "6"
    & skf21("7","3","2","5","7","3","3","1") = "6"
    & skf21("7","3","2","5","7","3","4","1") = "6"
    & skf21("7","3","2","5","7","3","5","1") = "6"
    & skf21("7","3","2","5","7","3","6","1") = "6"
    & skf21("7","3","2","5","7","3","7","1") = "6"
    & skf21("7","3","2","5","7","4","1","1") = "6"
    & skf21("7","3","2","5","7","4","2","1") = "6"
    & skf21("7","3","2","5","7","4","3","1") = "6"
    & skf21("7","3","2","5","7","4","4","1") = "6"
    & skf21("7","3","2","5","7","4","5","1") = "6"
    & skf21("7","3","2","5","7","4","6","1") = "6"
    & skf21("7","3","2","5","7","4","7","1") = "6"
    & skf21("7","3","2","5","7","5","1","1") = "6"
    & skf21("7","3","2","5","7","5","2","1") = "6"
    & skf21("7","3","2","5","7","5","3","1") = "6"
    & skf21("7","3","2","5","7","5","4","1") = "6"
    & skf21("7","3","2","5","7","5","5","1") = "6"
    & skf21("7","3","2","5","7","5","6","1") = "6"
    & skf21("7","3","2","5","7","5","7","1") = "6"
    & skf21("7","3","2","5","7","6","1","1") = "6"
    & skf21("7","3","2","5","7","6","2","1") = "6"
    & skf21("7","3","2","5","7","6","3","1") = "6"
    & skf21("7","3","2","5","7","6","4","1") = "6"
    & skf21("7","3","2","5","7","6","5","1") = "6"
    & skf21("7","3","2","5","7","6","6","1") = "6"
    & skf21("7","3","2","5","7","6","7","1") = "6"
    & skf21("7","3","2","5","7","7","1","1") = "6"
    & skf21("7","3","2","5","7","7","2","1") = "6"
    & skf21("7","3","2","5","7","7","3","1") = "6"
    & skf21("7","3","2","5","7","7","4","1") = "6"
    & skf21("7","3","2","5","7","7","5","1") = "6"
    & skf21("7","3","2","5","7","7","6","1") = "6"
    & skf21("7","3","2","5","7","7","7","1") = "6"
    & skf21("7","3","2","6","1","1","1","1") = "6"
    & skf21("7","3","2","6","1","1","2","1") = "6"
    & skf21("7","3","2","6","1","1","3","1") = "6"
    & skf21("7","3","2","6","1","1","4","1") = "6"
    & skf21("7","3","2","6","1","1","5","1") = "6"
    & skf21("7","3","2","6","1","1","6","1") = "6"
    & skf21("7","3","2","6","1","1","7","1") = "6"
    & skf21("7","3","2","6","1","2","1","1") = "6"
    & skf21("7","3","2","6","1","2","2","1") = "6"
    & skf21("7","3","2","6","1","2","3","1") = "6"
    & skf21("7","3","2","6","1","2","4","1") = "6"
    & skf21("7","3","2","6","1","2","5","1") = "6"
    & skf21("7","3","2","6","1","2","6","1") = "6"
    & skf21("7","3","2","6","1","2","7","1") = "6"
    & skf21("7","3","2","6","1","3","1","1") = "6"
    & skf21("7","3","2","6","1","3","2","1") = "6"
    & skf21("7","3","2","6","1","3","3","1") = "6"
    & skf21("7","3","2","6","1","3","4","1") = "6"
    & skf21("7","3","2","6","1","3","5","1") = "6"
    & skf21("7","3","2","6","1","3","6","1") = "6"
    & skf21("7","3","2","6","1","3","7","1") = "6"
    & skf21("7","3","2","6","1","4","1","1") = "6"
    & skf21("7","3","2","6","1","4","2","1") = "6"
    & skf21("7","3","2","6","1","4","3","1") = "6"
    & skf21("7","3","2","6","1","4","4","1") = "6"
    & skf21("7","3","2","6","1","4","5","1") = "6"
    & skf21("7","3","2","6","1","4","6","1") = "6"
    & skf21("7","3","2","6","1","4","7","1") = "6"
    & skf21("7","3","2","6","1","5","1","1") = "6"
    & skf21("7","3","2","6","1","5","2","1") = "6"
    & skf21("7","3","2","6","1","5","3","1") = "6"
    & skf21("7","3","2","6","1","5","4","1") = "6"
    & skf21("7","3","2","6","1","5","5","1") = "6"
    & skf21("7","3","2","6","1","5","6","1") = "6"
    & skf21("7","3","2","6","1","5","7","1") = "6"
    & skf21("7","3","2","6","1","6","1","1") = "6"
    & skf21("7","3","2","6","1","6","2","1") = "6"
    & skf21("7","3","2","6","1","6","3","1") = "6"
    & skf21("7","3","2","6","1","6","4","1") = "6"
    & skf21("7","3","2","6","1","6","5","1") = "6"
    & skf21("7","3","2","6","1","6","6","1") = "6"
    & skf21("7","3","2","6","1","6","7","1") = "6"
    & skf21("7","3","2","6","1","7","1","1") = "6"
    & skf21("7","3","2","6","1","7","2","1") = "6"
    & skf21("7","3","2","6","1","7","3","1") = "6"
    & skf21("7","3","2","6","1","7","4","1") = "6"
    & skf21("7","3","2","6","1","7","5","1") = "6"
    & skf21("7","3","2","6","1","7","6","1") = "6"
    & skf21("7","3","2","6","1","7","7","1") = "6"
    & skf21("7","3","2","6","2","1","1","1") = "6"
    & skf21("7","3","2","6","2","1","2","1") = "6"
    & skf21("7","3","2","6","2","1","3","1") = "6"
    & skf21("7","3","2","6","2","1","4","1") = "6"
    & skf21("7","3","2","6","2","1","5","1") = "6"
    & skf21("7","3","2","6","2","1","6","1") = "6"
    & skf21("7","3","2","6","2","1","7","1") = "6"
    & skf21("7","3","2","6","2","2","1","1") = "6"
    & skf21("7","3","2","6","2","2","2","1") = "6"
    & skf21("7","3","2","6","2","2","3","1") = "6"
    & skf21("7","3","2","6","2","2","4","1") = "6"
    & skf21("7","3","2","6","2","2","5","1") = "6"
    & skf21("7","3","2","6","2","2","6","1") = "6"
    & skf21("7","3","2","6","2","2","7","1") = "6"
    & skf21("7","3","2","6","2","3","1","1") = "6"
    & skf21("7","3","2","6","2","3","2","1") = "6"
    & skf21("7","3","2","6","2","3","3","1") = "6"
    & skf21("7","3","2","6","2","3","4","1") = "6"
    & skf21("7","3","2","6","2","3","5","1") = "6"
    & skf21("7","3","2","6","2","3","6","1") = "6"
    & skf21("7","3","2","6","2","3","7","1") = "6"
    & skf21("7","3","2","6","2","4","1","1") = "6"
    & skf21("7","3","2","6","2","4","2","1") = "6"
    & skf21("7","3","2","6","2","4","3","1") = "6"
    & skf21("7","3","2","6","2","4","4","1") = "6"
    & skf21("7","3","2","6","2","4","5","1") = "6"
    & skf21("7","3","2","6","2","4","6","1") = "6"
    & skf21("7","3","2","6","2","4","7","1") = "6"
    & skf21("7","3","2","6","2","5","1","1") = "6"
    & skf21("7","3","2","6","2","5","2","1") = "6"
    & skf21("7","3","2","6","2","5","3","1") = "6"
    & skf21("7","3","2","6","2","5","4","1") = "6"
    & skf21("7","3","2","6","2","5","5","1") = "6"
    & skf21("7","3","2","6","2","5","6","1") = "6"
    & skf21("7","3","2","6","2","5","7","1") = "6"
    & skf21("7","3","2","6","2","6","1","1") = "6"
    & skf21("7","3","2","6","2","6","2","1") = "6"
    & skf21("7","3","2","6","2","6","3","1") = "6"
    & skf21("7","3","2","6","2","6","4","1") = "6"
    & skf21("7","3","2","6","2","6","5","1") = "6"
    & skf21("7","3","2","6","2","6","6","1") = "6"
    & skf21("7","3","2","6","2","6","7","1") = "6"
    & skf21("7","3","2","6","2","7","1","1") = "6"
    & skf21("7","3","2","6","2","7","2","1") = "6"
    & skf21("7","3","2","6","2","7","3","1") = "6"
    & skf21("7","3","2","6","2","7","4","1") = "6"
    & skf21("7","3","2","6","2","7","5","1") = "6"
    & skf21("7","3","2","6","2","7","6","1") = "6"
    & skf21("7","3","2","6","2","7","7","1") = "6"
    & skf21("7","3","2","6","3","1","1","1") = "6"
    & skf21("7","3","2","6","3","1","2","1") = "6"
    & skf21("7","3","2","6","3","1","3","1") = "6"
    & skf21("7","3","2","6","3","1","4","1") = "6"
    & skf21("7","3","2","6","3","1","5","1") = "6"
    & skf21("7","3","2","6","3","1","6","1") = "6"
    & skf21("7","3","2","6","3","1","7","1") = "6"
    & skf21("7","3","2","6","3","2","1","1") = "6"
    & skf21("7","3","2","6","3","2","2","1") = "6"
    & skf21("7","3","2","6","3","2","3","1") = "6"
    & skf21("7","3","2","6","3","2","4","1") = "6"
    & skf21("7","3","2","6","3","2","5","1") = "6"
    & skf21("7","3","2","6","3","2","6","1") = "6"
    & skf21("7","3","2","6","3","2","7","1") = "6"
    & skf21("7","3","2","6","3","3","1","1") = "6"
    & skf21("7","3","2","6","3","3","2","1") = "6"
    & skf21("7","3","2","6","3","3","3","1") = "6"
    & skf21("7","3","2","6","3","3","4","1") = "6"
    & skf21("7","3","2","6","3","3","5","1") = "6"
    & skf21("7","3","2","6","3","3","6","1") = "6"
    & skf21("7","3","2","6","3","3","7","1") = "6"
    & skf21("7","3","2","6","3","4","1","1") = "6"
    & skf21("7","3","2","6","3","4","2","1") = "6"
    & skf21("7","3","2","6","3","4","3","1") = "6"
    & skf21("7","3","2","6","3","4","4","1") = "6"
    & skf21("7","3","2","6","3","4","5","1") = "6"
    & skf21("7","3","2","6","3","4","6","1") = "6"
    & skf21("7","3","2","6","3","4","7","1") = "6"
    & skf21("7","3","2","6","3","5","1","1") = "6"
    & skf21("7","3","2","6","3","5","2","1") = "6"
    & skf21("7","3","2","6","3","5","3","1") = "6"
    & skf21("7","3","2","6","3","5","4","1") = "6"
    & skf21("7","3","2","6","3","5","5","1") = "6"
    & skf21("7","3","2","6","3","5","6","1") = "6"
    & skf21("7","3","2","6","3","5","7","1") = "6"
    & skf21("7","3","2","6","3","6","1","1") = "6"
    & skf21("7","3","2","6","3","6","2","1") = "6"
    & skf21("7","3","2","6","3","6","3","1") = "6"
    & skf21("7","3","2","6","3","6","4","1") = "6"
    & skf21("7","3","2","6","3","6","5","1") = "6"
    & skf21("7","3","2","6","3","6","6","1") = "6"
    & skf21("7","3","2","6","3","6","7","1") = "6"
    & skf21("7","3","2","6","3","7","1","1") = "6"
    & skf21("7","3","2","6","3","7","2","1") = "6"
    & skf21("7","3","2","6","3","7","3","1") = "6"
    & skf21("7","3","2","6","3","7","4","1") = "6"
    & skf21("7","3","2","6","3","7","5","1") = "6"
    & skf21("7","3","2","6","3","7","6","1") = "6"
    & skf21("7","3","2","6","3","7","7","1") = "6"
    & skf21("7","3","2","6","4","1","1","1") = "6"
    & skf21("7","3","2","6","4","1","2","1") = "6"
    & skf21("7","3","2","6","4","1","3","1") = "6"
    & skf21("7","3","2","6","4","1","4","1") = "6"
    & skf21("7","3","2","6","4","1","5","1") = "6"
    & skf21("7","3","2","6","4","1","6","1") = "6"
    & skf21("7","3","2","6","4","1","7","1") = "6"
    & skf21("7","3","2","6","4","2","1","1") = "6"
    & skf21("7","3","2","6","4","2","2","1") = "6"
    & skf21("7","3","2","6","4","2","3","1") = "6"
    & skf21("7","3","2","6","4","2","4","1") = "6"
    & skf21("7","3","2","6","4","2","5","1") = "6"
    & skf21("7","3","2","6","4","2","6","1") = "6"
    & skf21("7","3","2","6","4","2","7","1") = "6"
    & skf21("7","3","2","6","4","3","1","1") = "6"
    & skf21("7","3","2","6","4","3","2","1") = "6"
    & skf21("7","3","2","6","4","3","3","1") = "6"
    & skf21("7","3","2","6","4","3","4","1") = "6"
    & skf21("7","3","2","6","4","3","5","1") = "6"
    & skf21("7","3","2","6","4","3","6","1") = "6"
    & skf21("7","3","2","6","4","3","7","1") = "6"
    & skf21("7","3","2","6","4","4","1","1") = "6"
    & skf21("7","3","2","6","4","4","2","1") = "6"
    & skf21("7","3","2","6","4","4","3","1") = "6"
    & skf21("7","3","2","6","4","4","4","1") = "6"
    & skf21("7","3","2","6","4","4","5","1") = "6"
    & skf21("7","3","2","6","4","4","6","1") = "6"
    & skf21("7","3","2","6","4","4","7","1") = "6"
    & skf21("7","3","2","6","4","5","1","1") = "6"
    & skf21("7","3","2","6","4","5","2","1") = "6"
    & skf21("7","3","2","6","4","5","3","1") = "6"
    & skf21("7","3","2","6","4","5","4","1") = "6"
    & skf21("7","3","2","6","4","5","5","1") = "6"
    & skf21("7","3","2","6","4","5","6","1") = "6"
    & skf21("7","3","2","6","4","5","7","1") = "6"
    & skf21("7","3","2","6","4","6","1","1") = "6"
    & skf21("7","3","2","6","4","6","2","1") = "6"
    & skf21("7","3","2","6","4","6","3","1") = "6"
    & skf21("7","3","2","6","4","6","4","1") = "6"
    & skf21("7","3","2","6","4","6","5","1") = "6"
    & skf21("7","3","2","6","4","6","6","1") = "6"
    & skf21("7","3","2","6","4","6","7","1") = "6"
    & skf21("7","3","2","6","4","7","1","1") = "6"
    & skf21("7","3","2","6","4","7","2","1") = "6"
    & skf21("7","3","2","6","4","7","3","1") = "6"
    & skf21("7","3","2","6","4","7","4","1") = "6"
    & skf21("7","3","2","6","4","7","5","1") = "6"
    & skf21("7","3","2","6","4","7","6","1") = "6"
    & skf21("7","3","2","6","4","7","7","1") = "6"
    & skf21("7","3","2","6","5","1","1","1") = "6"
    & skf21("7","3","2","6","5","1","2","1") = "6"
    & skf21("7","3","2","6","5","1","3","1") = "6"
    & skf21("7","3","2","6","5","1","4","1") = "6"
    & skf21("7","3","2","6","5","1","5","1") = "6"
    & skf21("7","3","2","6","5","1","6","1") = "6"
    & skf21("7","3","2","6","5","1","7","1") = "6"
    & skf21("7","3","2","6","5","2","1","1") = "6"
    & skf21("7","3","2","6","5","2","2","1") = "6"
    & skf21("7","3","2","6","5","2","3","1") = "6"
    & skf21("7","3","2","6","5","2","4","1") = "6"
    & skf21("7","3","2","6","5","2","5","1") = "6"
    & skf21("7","3","2","6","5","2","6","1") = "6"
    & skf21("7","3","2","6","5","2","7","1") = "6"
    & skf21("7","3","2","6","5","3","1","1") = "6"
    & skf21("7","3","2","6","5","3","2","1") = "6"
    & skf21("7","3","2","6","5","3","3","1") = "6"
    & skf21("7","3","2","6","5","3","4","1") = "6"
    & skf21("7","3","2","6","5","3","5","1") = "6"
    & skf21("7","3","2","6","5","3","6","1") = "6"
    & skf21("7","3","2","6","5","3","7","1") = "6"
    & skf21("7","3","2","6","5","4","1","1") = "6"
    & skf21("7","3","2","6","5","4","2","1") = "6"
    & skf21("7","3","2","6","5","4","3","1") = "6"
    & skf21("7","3","2","6","5","4","4","1") = "6"
    & skf21("7","3","2","6","5","4","5","1") = "6"
    & skf21("7","3","2","6","5","4","6","1") = "6"
    & skf21("7","3","2","6","5","4","7","1") = "6"
    & skf21("7","3","2","6","5","5","1","1") = "6"
    & skf21("7","3","2","6","5","5","2","1") = "6"
    & skf21("7","3","2","6","5","5","3","1") = "6"
    & skf21("7","3","2","6","5","5","4","1") = "6"
    & skf21("7","3","2","6","5","5","5","1") = "6"
    & skf21("7","3","2","6","5","5","6","1") = "6"
    & skf21("7","3","2","6","5","5","7","1") = "6"
    & skf21("7","3","2","6","5","6","1","1") = "6"
    & skf21("7","3","2","6","5","6","2","1") = "6"
    & skf21("7","3","2","6","5","6","3","1") = "6"
    & skf21("7","3","2","6","5","6","4","1") = "6"
    & skf21("7","3","2","6","5","6","5","1") = "6"
    & skf21("7","3","2","6","5","6","6","1") = "6"
    & skf21("7","3","2","6","5","6","7","1") = "6"
    & skf21("7","3","2","6","5","7","1","1") = "6"
    & skf21("7","3","2","6","5","7","2","1") = "6"
    & skf21("7","3","2","6","5","7","3","1") = "6"
    & skf21("7","3","2","6","5","7","4","1") = "6"
    & skf21("7","3","2","6","5","7","5","1") = "6"
    & skf21("7","3","2","6","5","7","6","1") = "6"
    & skf21("7","3","2","6","5","7","7","1") = "6"
    & skf21("7","3","2","6","6","1","1","1") = "6"
    & skf21("7","3","2","6","6","1","2","1") = "6"
    & skf21("7","3","2","6","6","1","3","1") = "6"
    & skf21("7","3","2","6","6","1","4","1") = "6"
    & skf21("7","3","2","6","6","1","5","1") = "6"
    & skf21("7","3","2","6","6","1","6","1") = "6"
    & skf21("7","3","2","6","6","1","7","1") = "6"
    & skf21("7","3","2","6","6","2","1","1") = "6"
    & skf21("7","3","2","6","6","2","2","1") = "6"
    & skf21("7","3","2","6","6","2","3","1") = "6"
    & skf21("7","3","2","6","6","2","4","1") = "6"
    & skf21("7","3","2","6","6","2","5","1") = "6"
    & skf21("7","3","2","6","6","2","6","1") = "6"
    & skf21("7","3","2","6","6","2","7","1") = "6"
    & skf21("7","3","2","6","6","3","1","1") = "6"
    & skf21("7","3","2","6","6","3","2","1") = "6"
    & skf21("7","3","2","6","6","3","3","1") = "6"
    & skf21("7","3","2","6","6","3","4","1") = "6"
    & skf21("7","3","2","6","6","3","5","1") = "6"
    & skf21("7","3","2","6","6","3","6","1") = "6"
    & skf21("7","3","2","6","6","3","7","1") = "6"
    & skf21("7","3","2","6","6","4","1","1") = "6"
    & skf21("7","3","2","6","6","4","2","1") = "6"
    & skf21("7","3","2","6","6","4","3","1") = "6"
    & skf21("7","3","2","6","6","4","4","1") = "6"
    & skf21("7","3","2","6","6","4","5","1") = "6"
    & skf21("7","3","2","6","6","4","6","1") = "6"
    & skf21("7","3","2","6","6","4","7","1") = "6"
    & skf21("7","3","2","6","6","5","1","1") = "6"
    & skf21("7","3","2","6","6","5","2","1") = "6"
    & skf21("7","3","2","6","6","5","3","1") = "6"
    & skf21("7","3","2","6","6","5","4","1") = "6"
    & skf21("7","3","2","6","6","5","5","1") = "6"
    & skf21("7","3","2","6","6","5","6","1") = "6"
    & skf21("7","3","2","6","6","5","7","1") = "6"
    & skf21("7","3","2","6","6","6","1","1") = "6"
    & skf21("7","3","2","6","6","6","2","1") = "6"
    & skf21("7","3","2","6","6","6","3","1") = "6"
    & skf21("7","3","2","6","6","6","4","1") = "6"
    & skf21("7","3","2","6","6","6","5","1") = "6"
    & skf21("7","3","2","6","6","6","6","1") = "6"
    & skf21("7","3","2","6","6","6","7","1") = "6"
    & skf21("7","3","2","6","6","7","1","1") = "6"
    & skf21("7","3","2","6","6","7","2","1") = "6"
    & skf21("7","3","2","6","6","7","3","1") = "6"
    & skf21("7","3","2","6","6","7","4","1") = "6"
    & skf21("7","3","2","6","6","7","5","1") = "6"
    & skf21("7","3","2","6","6","7","6","1") = "6"
    & skf21("7","3","2","6","6","7","7","1") = "6"
    & skf21("7","3","2","6","7","1","1","1") = "6"
    & skf21("7","3","2","6","7","1","2","1") = "6"
    & skf21("7","3","2","6","7","1","3","1") = "6"
    & skf21("7","3","2","6","7","1","4","1") = "6"
    & skf21("7","3","2","6","7","1","5","1") = "6"
    & skf21("7","3","2","6","7","1","6","1") = "6"
    & skf21("7","3","2","6","7","1","7","1") = "6"
    & skf21("7","3","2","6","7","2","1","1") = "6"
    & skf21("7","3","2","6","7","2","2","1") = "6"
    & skf21("7","3","2","6","7","2","3","1") = "6"
    & skf21("7","3","2","6","7","2","4","1") = "6"
    & skf21("7","3","2","6","7","2","5","1") = "6"
    & skf21("7","3","2","6","7","2","6","1") = "6"
    & skf21("7","3","2","6","7","2","7","1") = "6"
    & skf21("7","3","2","6","7","3","1","1") = "6"
    & skf21("7","3","2","6","7","3","2","1") = "6"
    & skf21("7","3","2","6","7","3","3","1") = "6"
    & skf21("7","3","2","6","7","3","4","1") = "6"
    & skf21("7","3","2","6","7","3","5","1") = "6"
    & skf21("7","3","2","6","7","3","6","1") = "6"
    & skf21("7","3","2","6","7","3","7","1") = "6"
    & skf21("7","3","2","6","7","4","1","1") = "6"
    & skf21("7","3","2","6","7","4","2","1") = "6"
    & skf21("7","3","2","6","7","4","3","1") = "6"
    & skf21("7","3","2","6","7","4","4","1") = "6"
    & skf21("7","3","2","6","7","4","5","1") = "6"
    & skf21("7","3","2","6","7","4","6","1") = "6"
    & skf21("7","3","2","6","7","4","7","1") = "6"
    & skf21("7","3","2","6","7","5","1","1") = "6"
    & skf21("7","3","2","6","7","5","2","1") = "6"
    & skf21("7","3","2","6","7","5","3","1") = "6"
    & skf21("7","3","2","6","7","5","4","1") = "6"
    & skf21("7","3","2","6","7","5","5","1") = "6"
    & skf21("7","3","2","6","7","5","6","1") = "6"
    & skf21("7","3","2","6","7","5","7","1") = "6"
    & skf21("7","3","2","6","7","6","1","1") = "6"
    & skf21("7","3","2","6","7","6","2","1") = "6"
    & skf21("7","3","2","6","7","6","3","1") = "6"
    & skf21("7","3","2","6","7","6","4","1") = "6"
    & skf21("7","3","2","6","7","6","5","1") = "6"
    & skf21("7","3","2","6","7","6","6","1") = "6"
    & skf21("7","3","2","6","7","6","7","1") = "6"
    & skf21("7","3","2","6","7","7","1","1") = "6"
    & skf21("7","3","2","6","7","7","2","1") = "6"
    & skf21("7","3","2","6","7","7","3","1") = "6"
    & skf21("7","3","2","6","7","7","4","1") = "6"
    & skf21("7","3","2","6","7","7","5","1") = "6"
    & skf21("7","3","2","6","7","7","6","1") = "6"
    & skf21("7","3","2","6","7","7","7","1") = "6"
    & skf21("7","3","2","7","1","1","1","1") = "6"
    & skf21("7","3","2","7","1","1","2","1") = "6"
    & skf21("7","3","2","7","1","1","3","1") = "6"
    & skf21("7","3","2","7","1","1","4","1") = "6"
    & skf21("7","3","2","7","1","1","5","1") = "6"
    & skf21("7","3","2","7","1","1","6","1") = "6"
    & skf21("7","3","2","7","1","1","7","1") = "6"
    & skf21("7","3","2","7","1","2","1","1") = "6"
    & skf21("7","3","2","7","1","2","2","1") = "6"
    & skf21("7","3","2","7","1","2","3","1") = "6"
    & skf21("7","3","2","7","1","2","4","1") = "6"
    & skf21("7","3","2","7","1","2","5","1") = "6"
    & skf21("7","3","2","7","1","2","6","1") = "6"
    & skf21("7","3","2","7","1","2","7","1") = "6"
    & skf21("7","3","2","7","1","3","1","1") = "6"
    & skf21("7","3","2","7","1","3","2","1") = "6"
    & skf21("7","3","2","7","1","3","3","1") = "6"
    & skf21("7","3","2","7","1","3","4","1") = "6"
    & skf21("7","3","2","7","1","3","5","1") = "6"
    & skf21("7","3","2","7","1","3","6","1") = "6"
    & skf21("7","3","2","7","1","3","7","1") = "6"
    & skf21("7","3","2","7","1","4","1","1") = "6"
    & skf21("7","3","2","7","1","4","2","1") = "6"
    & skf21("7","3","2","7","1","4","3","1") = "6"
    & skf21("7","3","2","7","1","4","4","1") = "6"
    & skf21("7","3","2","7","1","4","5","1") = "6"
    & skf21("7","3","2","7","1","4","6","1") = "6"
    & skf21("7","3","2","7","1","4","7","1") = "6"
    & skf21("7","3","2","7","1","5","1","1") = "6"
    & skf21("7","3","2","7","1","5","2","1") = "6"
    & skf21("7","3","2","7","1","5","3","1") = "6"
    & skf21("7","3","2","7","1","5","4","1") = "6"
    & skf21("7","3","2","7","1","5","5","1") = "6"
    & skf21("7","3","2","7","1","5","6","1") = "6"
    & skf21("7","3","2","7","1","5","7","1") = "6"
    & skf21("7","3","2","7","1","6","1","1") = "6"
    & skf21("7","3","2","7","1","6","2","1") = "6"
    & skf21("7","3","2","7","1","6","3","1") = "6"
    & skf21("7","3","2","7","1","6","4","1") = "6"
    & skf21("7","3","2","7","1","6","5","1") = "6"
    & skf21("7","3","2","7","1","6","6","1") = "6"
    & skf21("7","3","2","7","1","6","7","1") = "6"
    & skf21("7","3","2","7","1","7","1","1") = "6"
    & skf21("7","3","2","7","1","7","2","1") = "6"
    & skf21("7","3","2","7","1","7","3","1") = "6"
    & skf21("7","3","2","7","1","7","4","1") = "6"
    & skf21("7","3","2","7","1","7","5","1") = "6"
    & skf21("7","3","2","7","1","7","6","1") = "6"
    & skf21("7","3","2","7","1","7","7","1") = "6"
    & skf21("7","3","2","7","2","1","1","1") = "6"
    & skf21("7","3","2","7","2","1","2","1") = "6"
    & skf21("7","3","2","7","2","1","3","1") = "6"
    & skf21("7","3","2","7","2","1","4","1") = "6"
    & skf21("7","3","2","7","2","1","5","1") = "6"
    & skf21("7","3","2","7","2","1","6","1") = "6"
    & skf21("7","3","2","7","2","1","7","1") = "6"
    & skf21("7","3","2","7","2","2","1","1") = "6"
    & skf21("7","3","2","7","2","2","2","1") = "6"
    & skf21("7","3","2","7","2","2","3","1") = "6"
    & skf21("7","3","2","7","2","2","4","1") = "6"
    & skf21("7","3","2","7","2","2","5","1") = "6"
    & skf21("7","3","2","7","2","2","6","1") = "6"
    & skf21("7","3","2","7","2","2","7","1") = "6"
    & skf21("7","3","2","7","2","3","1","1") = "6"
    & skf21("7","3","2","7","2","3","2","1") = "6"
    & skf21("7","3","2","7","2","3","3","1") = "6"
    & skf21("7","3","2","7","2","3","4","1") = "6"
    & skf21("7","3","2","7","2","3","5","1") = "6"
    & skf21("7","3","2","7","2","3","6","1") = "6"
    & skf21("7","3","2","7","2","3","7","1") = "6"
    & skf21("7","3","2","7","2","4","1","1") = "6"
    & skf21("7","3","2","7","2","4","2","1") = "6"
    & skf21("7","3","2","7","2","4","3","1") = "6"
    & skf21("7","3","2","7","2","4","4","1") = "6"
    & skf21("7","3","2","7","2","4","5","1") = "6"
    & skf21("7","3","2","7","2","4","6","1") = "6"
    & skf21("7","3","2","7","2","4","7","1") = "6"
    & skf21("7","3","2","7","2","5","1","1") = "6"
    & skf21("7","3","2","7","2","5","2","1") = "6"
    & skf21("7","3","2","7","2","5","3","1") = "6"
    & skf21("7","3","2","7","2","5","4","1") = "6"
    & skf21("7","3","2","7","2","5","5","1") = "6"
    & skf21("7","3","2","7","2","5","6","1") = "6"
    & skf21("7","3","2","7","2","5","7","1") = "6"
    & skf21("7","3","2","7","2","6","1","1") = "6"
    & skf21("7","3","2","7","2","6","2","1") = "6"
    & skf21("7","3","2","7","2","6","3","1") = "6"
    & skf21("7","3","2","7","2","6","4","1") = "6"
    & skf21("7","3","2","7","2","6","5","1") = "6"
    & skf21("7","3","2","7","2","6","6","1") = "6"
    & skf21("7","3","2","7","2","6","7","1") = "6"
    & skf21("7","3","2","7","2","7","1","1") = "6"
    & skf21("7","3","2","7","2","7","2","1") = "6"
    & skf21("7","3","2","7","2","7","3","1") = "6"
    & skf21("7","3","2","7","2","7","4","1") = "6"
    & skf21("7","3","2","7","2","7","5","1") = "6"
    & skf21("7","3","2","7","2","7","6","1") = "6"
    & skf21("7","3","2","7","2","7","7","1") = "6"
    & skf21("7","3","2","7","3","1","1","1") = "6"
    & skf21("7","3","2","7","3","1","2","1") = "6"
    & skf21("7","3","2","7","3","1","3","1") = "6"
    & skf21("7","3","2","7","3","1","4","1") = "6"
    & skf21("7","3","2","7","3","1","5","1") = "6"
    & skf21("7","3","2","7","3","1","6","1") = "6"
    & skf21("7","3","2","7","3","1","7","1") = "6"
    & skf21("7","3","2","7","3","2","1","1") = "6"
    & skf21("7","3","2","7","3","2","2","1") = "6"
    & skf21("7","3","2","7","3","2","3","1") = "6"
    & skf21("7","3","2","7","3","2","4","1") = "6"
    & skf21("7","3","2","7","3","2","5","1") = "6"
    & skf21("7","3","2","7","3","2","6","1") = "6"
    & skf21("7","3","2","7","3","2","7","1") = "6"
    & skf21("7","3","2","7","3","3","1","1") = "6"
    & skf21("7","3","2","7","3","3","2","1") = "6"
    & skf21("7","3","2","7","3","3","3","1") = "6"
    & skf21("7","3","2","7","3","3","4","1") = "6"
    & skf21("7","3","2","7","3","3","5","1") = "6"
    & skf21("7","3","2","7","3","3","6","1") = "6"
    & skf21("7","3","2","7","3","3","7","1") = "6"
    & skf21("7","3","2","7","3","4","1","1") = "6"
    & skf21("7","3","2","7","3","4","2","1") = "6"
    & skf21("7","3","2","7","3","4","3","1") = "6"
    & skf21("7","3","2","7","3","4","4","1") = "6"
    & skf21("7","3","2","7","3","4","5","1") = "6"
    & skf21("7","3","2","7","3","4","6","1") = "6"
    & skf21("7","3","2","7","3","4","7","1") = "6"
    & skf21("7","3","2","7","3","5","1","1") = "6"
    & skf21("7","3","2","7","3","5","2","1") = "6"
    & skf21("7","3","2","7","3","5","3","1") = "6"
    & skf21("7","3","2","7","3","5","4","1") = "6"
    & skf21("7","3","2","7","3","5","5","1") = "6"
    & skf21("7","3","2","7","3","5","6","1") = "6"
    & skf21("7","3","2","7","3","5","7","1") = "6"
    & skf21("7","3","2","7","3","6","1","1") = "6"
    & skf21("7","3","2","7","3","6","2","1") = "6"
    & skf21("7","3","2","7","3","6","3","1") = "6"
    & skf21("7","3","2","7","3","6","4","1") = "6"
    & skf21("7","3","2","7","3","6","5","1") = "6"
    & skf21("7","3","2","7","3","6","6","1") = "6"
    & skf21("7","3","2","7","3","6","7","1") = "6"
    & skf21("7","3","2","7","3","7","1","1") = "6"
    & skf21("7","3","2","7","3","7","2","1") = "6"
    & skf21("7","3","2","7","3","7","3","1") = "6"
    & skf21("7","3","2","7","3","7","4","1") = "6"
    & skf21("7","3","2","7","3","7","5","1") = "6"
    & skf21("7","3","2","7","3","7","6","1") = "6"
    & skf21("7","3","2","7","3","7","7","1") = "6"
    & skf21("7","3","2","7","4","1","1","1") = "6"
    & skf21("7","3","2","7","4","1","2","1") = "6"
    & skf21("7","3","2","7","4","1","3","1") = "6"
    & skf21("7","3","2","7","4","1","4","1") = "6"
    & skf21("7","3","2","7","4","1","5","1") = "6"
    & skf21("7","3","2","7","4","1","6","1") = "6"
    & skf21("7","3","2","7","4","1","7","1") = "6"
    & skf21("7","3","2","7","4","2","1","1") = "6"
    & skf21("7","3","2","7","4","2","2","1") = "6"
    & skf21("7","3","2","7","4","2","3","1") = "6"
    & skf21("7","3","2","7","4","2","4","1") = "6"
    & skf21("7","3","2","7","4","2","5","1") = "6"
    & skf21("7","3","2","7","4","2","6","1") = "6"
    & skf21("7","3","2","7","4","2","7","1") = "6"
    & skf21("7","3","2","7","4","3","1","1") = "6"
    & skf21("7","3","2","7","4","3","2","1") = "6"
    & skf21("7","3","2","7","4","3","3","1") = "6"
    & skf21("7","3","2","7","4","3","4","1") = "6"
    & skf21("7","3","2","7","4","3","5","1") = "6"
    & skf21("7","3","2","7","4","3","6","1") = "6"
    & skf21("7","3","2","7","4","3","7","1") = "6"
    & skf21("7","3","2","7","4","4","1","1") = "6"
    & skf21("7","3","2","7","4","4","2","1") = "6"
    & skf21("7","3","2","7","4","4","3","1") = "6"
    & skf21("7","3","2","7","4","4","4","1") = "6"
    & skf21("7","3","2","7","4","4","5","1") = "6"
    & skf21("7","3","2","7","4","4","6","1") = "6"
    & skf21("7","3","2","7","4","4","7","1") = "6"
    & skf21("7","3","2","7","4","5","1","1") = "6"
    & skf21("7","3","2","7","4","5","2","1") = "6"
    & skf21("7","3","2","7","4","5","3","1") = "6"
    & skf21("7","3","2","7","4","5","4","1") = "6"
    & skf21("7","3","2","7","4","5","5","1") = "6"
    & skf21("7","3","2","7","4","5","6","1") = "6"
    & skf21("7","3","2","7","4","5","7","1") = "6"
    & skf21("7","3","2","7","4","6","1","1") = "6"
    & skf21("7","3","2","7","4","6","2","1") = "6"
    & skf21("7","3","2","7","4","6","3","1") = "6"
    & skf21("7","3","2","7","4","6","4","1") = "6"
    & skf21("7","3","2","7","4","6","5","1") = "6"
    & skf21("7","3","2","7","4","6","6","1") = "6"
    & skf21("7","3","2","7","4","6","7","1") = "6"
    & skf21("7","3","2","7","4","7","1","1") = "6"
    & skf21("7","3","2","7","4","7","2","1") = "6"
    & skf21("7","3","2","7","4","7","3","1") = "6"
    & skf21("7","3","2","7","4","7","4","1") = "6"
    & skf21("7","3","2","7","4","7","5","1") = "6"
    & skf21("7","3","2","7","4","7","6","1") = "6"
    & skf21("7","3","2","7","4","7","7","1") = "6"
    & skf21("7","3","2","7","5","1","1","1") = "6"
    & skf21("7","3","2","7","5","1","2","1") = "6"
    & skf21("7","3","2","7","5","1","3","1") = "6"
    & skf21("7","3","2","7","5","1","4","1") = "6"
    & skf21("7","3","2","7","5","1","5","1") = "6"
    & skf21("7","3","2","7","5","1","6","1") = "6"
    & skf21("7","3","2","7","5","1","7","1") = "6"
    & skf21("7","3","2","7","5","2","1","1") = "6"
    & skf21("7","3","2","7","5","2","2","1") = "6"
    & skf21("7","3","2","7","5","2","3","1") = "6"
    & skf21("7","3","2","7","5","2","4","1") = "6"
    & skf21("7","3","2","7","5","2","5","1") = "6"
    & skf21("7","3","2","7","5","2","6","1") = "6"
    & skf21("7","3","2","7","5","2","7","1") = "6"
    & skf21("7","3","2","7","5","3","1","1") = "6"
    & skf21("7","3","2","7","5","3","2","1") = "6"
    & skf21("7","3","2","7","5","3","3","1") = "6"
    & skf21("7","3","2","7","5","3","4","1") = "6"
    & skf21("7","3","2","7","5","3","5","1") = "6"
    & skf21("7","3","2","7","5","3","6","1") = "6"
    & skf21("7","3","2","7","5","3","7","1") = "6"
    & skf21("7","3","2","7","5","4","1","1") = "6"
    & skf21("7","3","2","7","5","4","2","1") = "6"
    & skf21("7","3","2","7","5","4","3","1") = "6"
    & skf21("7","3","2","7","5","4","4","1") = "6"
    & skf21("7","3","2","7","5","4","5","1") = "6"
    & skf21("7","3","2","7","5","4","6","1") = "6"
    & skf21("7","3","2","7","5","4","7","1") = "6"
    & skf21("7","3","2","7","5","5","1","1") = "6"
    & skf21("7","3","2","7","5","5","2","1") = "6"
    & skf21("7","3","2","7","5","5","3","1") = "6"
    & skf21("7","3","2","7","5","5","4","1") = "6"
    & skf21("7","3","2","7","5","5","5","1") = "6"
    & skf21("7","3","2","7","5","5","6","1") = "6"
    & skf21("7","3","2","7","5","5","7","1") = "6"
    & skf21("7","3","2","7","5","6","1","1") = "6"
    & skf21("7","3","2","7","5","6","2","1") = "6"
    & skf21("7","3","2","7","5","6","3","1") = "6"
    & skf21("7","3","2","7","5","6","4","1") = "6"
    & skf21("7","3","2","7","5","6","5","1") = "6"
    & skf21("7","3","2","7","5","6","6","1") = "6"
    & skf21("7","3","2","7","5","6","7","1") = "6"
    & skf21("7","3","2","7","5","7","1","1") = "6"
    & skf21("7","3","2","7","5","7","2","1") = "6"
    & skf21("7","3","2","7","5","7","3","1") = "6"
    & skf21("7","3","2","7","5","7","4","1") = "6"
    & skf21("7","3","2","7","5","7","5","1") = "6"
    & skf21("7","3","2","7","5","7","6","1") = "6"
    & skf21("7","3","2","7","5","7","7","1") = "6"
    & skf21("7","3","2","7","6","1","1","1") = "6"
    & skf21("7","3","2","7","6","1","2","1") = "6"
    & skf21("7","3","2","7","6","1","3","1") = "6"
    & skf21("7","3","2","7","6","1","4","1") = "6"
    & skf21("7","3","2","7","6","1","5","1") = "6"
    & skf21("7","3","2","7","6","1","6","1") = "6"
    & skf21("7","3","2","7","6","1","7","1") = "6"
    & skf21("7","3","2","7","6","2","1","1") = "6"
    & skf21("7","3","2","7","6","2","2","1") = "6"
    & skf21("7","3","2","7","6","2","3","1") = "6"
    & skf21("7","3","2","7","6","2","4","1") = "6"
    & skf21("7","3","2","7","6","2","5","1") = "6"
    & skf21("7","3","2","7","6","2","6","1") = "6"
    & skf21("7","3","2","7","6","2","7","1") = "6"
    & skf21("7","3","2","7","6","3","1","1") = "6"
    & skf21("7","3","2","7","6","3","2","1") = "6"
    & skf21("7","3","2","7","6","3","3","1") = "6"
    & skf21("7","3","2","7","6","3","4","1") = "6"
    & skf21("7","3","2","7","6","3","5","1") = "6"
    & skf21("7","3","2","7","6","3","6","1") = "6"
    & skf21("7","3","2","7","6","3","7","1") = "6"
    & skf21("7","3","2","7","6","4","1","1") = "6"
    & skf21("7","3","2","7","6","4","2","1") = "6"
    & skf21("7","3","2","7","6","4","3","1") = "6"
    & skf21("7","3","2","7","6","4","4","1") = "6"
    & skf21("7","3","2","7","6","4","5","1") = "6"
    & skf21("7","3","2","7","6","4","6","1") = "6"
    & skf21("7","3","2","7","6","4","7","1") = "6"
    & skf21("7","3","2","7","6","5","1","1") = "6"
    & skf21("7","3","2","7","6","5","2","1") = "6"
    & skf21("7","3","2","7","6","5","3","1") = "6"
    & skf21("7","3","2","7","6","5","4","1") = "6"
    & skf21("7","3","2","7","6","5","5","1") = "6"
    & skf21("7","3","2","7","6","5","6","1") = "6"
    & skf21("7","3","2","7","6","5","7","1") = "6"
    & skf21("7","3","2","7","6","6","1","1") = "6"
    & skf21("7","3","2","7","6","6","2","1") = "6"
    & skf21("7","3","2","7","6","6","3","1") = "6"
    & skf21("7","3","2","7","6","6","4","1") = "6"
    & skf21("7","3","2","7","6","6","5","1") = "6"
    & skf21("7","3","2","7","6","6","6","1") = "6"
    & skf21("7","3","2","7","6","6","7","1") = "6"
    & skf21("7","3","2","7","6","7","1","1") = "6"
    & skf21("7","3","2","7","6","7","2","1") = "6"
    & skf21("7","3","2","7","6","7","3","1") = "6"
    & skf21("7","3","2","7","6","7","4","1") = "6"
    & skf21("7","3","2","7","6","7","5","1") = "6"
    & skf21("7","3","2","7","6","7","6","1") = "6"
    & skf21("7","3","2","7","6","7","7","1") = "6"
    & skf21("7","3","2","7","7","1","1","1") = "6"
    & skf21("7","3","2","7","7","1","2","1") = "6"
    & skf21("7","3","2","7","7","1","3","1") = "6"
    & skf21("7","3","2","7","7","1","4","1") = "6"
    & skf21("7","3","2","7","7","1","5","1") = "6"
    & skf21("7","3","2","7","7","1","6","1") = "6"
    & skf21("7","3","2","7","7","1","7","1") = "6"
    & skf21("7","3","2","7","7","2","1","1") = "6"
    & skf21("7","3","2","7","7","2","2","1") = "6"
    & skf21("7","3","2","7","7","2","3","1") = "6"
    & skf21("7","3","2","7","7","2","4","1") = "6"
    & skf21("7","3","2","7","7","2","5","1") = "6"
    & skf21("7","3","2","7","7","2","6","1") = "6"
    & skf21("7","3","2","7","7","2","7","1") = "6"
    & skf21("7","3","2","7","7","3","1","1") = "6"
    & skf21("7","3","2","7","7","3","2","1") = "6"
    & skf21("7","3","2","7","7","3","3","1") = "6"
    & skf21("7","3","2","7","7","3","4","1") = "6"
    & skf21("7","3","2","7","7","3","5","1") = "6"
    & skf21("7","3","2","7","7","3","6","1") = "6"
    & skf21("7","3","2","7","7","3","7","1") = "6"
    & skf21("7","3","2","7","7","4","1","1") = "6"
    & skf21("7","3","2","7","7","4","2","1") = "6"
    & skf21("7","3","2","7","7","4","3","1") = "6"
    & skf21("7","3","2","7","7","4","4","1") = "6"
    & skf21("7","3","2","7","7","4","5","1") = "6"
    & skf21("7","3","2","7","7","4","6","1") = "6"
    & skf21("7","3","2","7","7","4","7","1") = "6"
    & skf21("7","3","2","7","7","5","1","1") = "6"
    & skf21("7","3","2","7","7","5","2","1") = "6"
    & skf21("7","3","2","7","7","5","3","1") = "6"
    & skf21("7","3","2","7","7","5","4","1") = "6"
    & skf21("7","3","2","7","7","5","5","1") = "6"
    & skf21("7","3","2","7","7","5","6","1") = "6"
    & skf21("7","3","2","7","7","5","7","1") = "6"
    & skf21("7","3","2","7","7","6","1","1") = "6"
    & skf21("7","3","2","7","7","6","2","1") = "6"
    & skf21("7","3","2","7","7","6","3","1") = "6"
    & skf21("7","3","2","7","7","6","4","1") = "6"
    & skf21("7","3","2","7","7","6","5","1") = "6"
    & skf21("7","3","2","7","7","6","6","1") = "6"
    & skf21("7","3","2","7","7","6","7","1") = "6"
    & skf21("7","3","2","7","7","7","1","1") = "6"
    & skf21("7","3","2","7","7","7","2","1") = "6"
    & skf21("7","3","2","7","7","7","3","1") = "6"
    & skf21("7","3","2","7","7","7","4","1") = "6"
    & skf21("7","3","2","7","7","7","5","1") = "6"
    & skf21("7","3","2","7","7","7","6","1") = "6"
    & skf21("7","3","2","7","7","7","7","1") = "6"
    & skf21("7","3","3","1","1","1","1","1") = "6"
    & skf21("7","3","3","1","1","1","2","1") = "6"
    & skf21("7","3","3","1","1","1","3","1") = "6"
    & skf21("7","3","3","1","1","1","4","1") = "6"
    & skf21("7","3","3","1","1","1","5","1") = "6"
    & skf21("7","3","3","1","1","1","6","1") = "6"
    & skf21("7","3","3","1","1","1","7","1") = "6"
    & skf21("7","3","3","1","1","2","1","1") = "6"
    & skf21("7","3","3","1","1","2","2","1") = "6"
    & skf21("7","3","3","1","1","2","3","1") = "6"
    & skf21("7","3","3","1","1","2","4","1") = "6"
    & skf21("7","3","3","1","1","2","5","1") = "6"
    & skf21("7","3","3","1","1","2","6","1") = "6"
    & skf21("7","3","3","1","1","2","7","1") = "6"
    & skf21("7","3","3","1","1","3","1","1") = "6"
    & skf21("7","3","3","1","1","3","2","1") = "6"
    & skf21("7","3","3","1","1","3","3","1") = "6"
    & skf21("7","3","3","1","1","3","4","1") = "6"
    & skf21("7","3","3","1","1","3","5","1") = "6"
    & skf21("7","3","3","1","1","3","6","1") = "6"
    & skf21("7","3","3","1","1","3","7","1") = "6"
    & skf21("7","3","3","1","1","4","1","1") = "6"
    & skf21("7","3","3","1","1","4","2","1") = "6"
    & skf21("7","3","3","1","1","4","3","1") = "6"
    & skf21("7","3","3","1","1","4","4","1") = "6"
    & skf21("7","3","3","1","1","4","5","1") = "6"
    & skf21("7","3","3","1","1","4","6","1") = "6"
    & skf21("7","3","3","1","1","4","7","1") = "6"
    & skf21("7","3","3","1","1","5","1","1") = "6"
    & skf21("7","3","3","1","1","5","2","1") = "6"
    & skf21("7","3","3","1","1","5","3","1") = "6"
    & skf21("7","3","3","1","1","5","4","1") = "6"
    & skf21("7","3","3","1","1","5","5","1") = "6"
    & skf21("7","3","3","1","1","5","6","1") = "6"
    & skf21("7","3","3","1","1","5","7","1") = "6"
    & skf21("7","3","3","1","1","6","1","1") = "6"
    & skf21("7","3","3","1","1","6","2","1") = "6"
    & skf21("7","3","3","1","1","6","3","1") = "6"
    & skf21("7","3","3","1","1","6","4","1") = "6"
    & skf21("7","3","3","1","1","6","5","1") = "6"
    & skf21("7","3","3","1","1","6","6","1") = "6"
    & skf21("7","3","3","1","1","6","7","1") = "6"
    & skf21("7","3","3","1","1","7","1","1") = "6"
    & skf21("7","3","3","1","1","7","2","1") = "6"
    & skf21("7","3","3","1","1","7","3","1") = "6"
    & skf21("7","3","3","1","1","7","4","1") = "6"
    & skf21("7","3","3","1","1","7","5","1") = "6"
    & skf21("7","3","3","1","1","7","6","1") = "6"
    & skf21("7","3","3","1","1","7","7","1") = "6"
    & skf21("7","3","3","1","2","1","1","1") = "6"
    & skf21("7","3","3","1","2","1","2","1") = "6"
    & skf21("7","3","3","1","2","1","3","1") = "6"
    & skf21("7","3","3","1","2","1","4","1") = "6"
    & skf21("7","3","3","1","2","1","5","1") = "6"
    & skf21("7","3","3","1","2","1","6","1") = "6"
    & skf21("7","3","3","1","2","1","7","1") = "6"
    & skf21("7","3","3","1","2","2","1","1") = "6"
    & skf21("7","3","3","1","2","2","2","1") = "6"
    & skf21("7","3","3","1","2","2","3","1") = "6"
    & skf21("7","3","3","1","2","2","4","1") = "6"
    & skf21("7","3","3","1","2","2","5","1") = "6"
    & skf21("7","3","3","1","2","2","6","1") = "6"
    & skf21("7","3","3","1","2","2","7","1") = "6"
    & skf21("7","3","3","1","2","3","1","1") = "6"
    & skf21("7","3","3","1","2","3","2","1") = "6"
    & skf21("7","3","3","1","2","3","3","1") = "6"
    & skf21("7","3","3","1","2","3","4","1") = "6"
    & skf21("7","3","3","1","2","3","5","1") = "6"
    & skf21("7","3","3","1","2","3","6","1") = "6"
    & skf21("7","3","3","1","2","3","7","1") = "6"
    & skf21("7","3","3","1","2","4","1","1") = "6"
    & skf21("7","3","3","1","2","4","2","1") = "6"
    & skf21("7","3","3","1","2","4","3","1") = "6"
    & skf21("7","3","3","1","2","4","4","1") = "6"
    & skf21("7","3","3","1","2","4","5","1") = "6"
    & skf21("7","3","3","1","2","4","6","1") = "6"
    & skf21("7","3","3","1","2","4","7","1") = "6"
    & skf21("7","3","3","1","2","5","1","1") = "6"
    & skf21("7","3","3","1","2","5","2","1") = "6"
    & skf21("7","3","3","1","2","5","3","1") = "6"
    & skf21("7","3","3","1","2","5","4","1") = "6"
    & skf21("7","3","3","1","2","5","5","1") = "6"
    & skf21("7","3","3","1","2","5","6","1") = "6"
    & skf21("7","3","3","1","2","5","7","1") = "6"
    & skf21("7","3","3","1","2","6","1","1") = "6"
    & skf21("7","3","3","1","2","6","2","1") = "6"
    & skf21("7","3","3","1","2","6","3","1") = "6"
    & skf21("7","3","3","1","2","6","4","1") = "6"
    & skf21("7","3","3","1","2","6","5","1") = "6"
    & skf21("7","3","3","1","2","6","6","1") = "6"
    & skf21("7","3","3","1","2","6","7","1") = "6"
    & skf21("7","3","3","1","2","7","1","1") = "6"
    & skf21("7","3","3","1","2","7","2","1") = "6"
    & skf21("7","3","3","1","2","7","3","1") = "6"
    & skf21("7","3","3","1","2","7","4","1") = "6"
    & skf21("7","3","3","1","2","7","5","1") = "6"
    & skf21("7","3","3","1","2","7","6","1") = "6"
    & skf21("7","3","3","1","2","7","7","1") = "6"
    & skf21("7","3","3","1","3","1","1","1") = "6"
    & skf21("7","3","3","1","3","1","2","1") = "6"
    & skf21("7","3","3","1","3","1","3","1") = "6"
    & skf21("7","3","3","1","3","1","4","1") = "6"
    & skf21("7","3","3","1","3","1","5","1") = "6"
    & skf21("7","3","3","1","3","1","6","1") = "6"
    & skf21("7","3","3","1","3","1","7","1") = "6"
    & skf21("7","3","3","1","3","2","1","1") = "6"
    & skf21("7","3","3","1","3","2","2","1") = "6"
    & skf21("7","3","3","1","3","2","3","1") = "6"
    & skf21("7","3","3","1","3","2","4","1") = "6"
    & skf21("7","3","3","1","3","2","5","1") = "6"
    & skf21("7","3","3","1","3","2","6","1") = "6"
    & skf21("7","3","3","1","3","2","7","1") = "6"
    & skf21("7","3","3","1","3","3","1","1") = "6"
    & skf21("7","3","3","1","3","3","2","1") = "6"
    & skf21("7","3","3","1","3","3","3","1") = "6"
    & skf21("7","3","3","1","3","3","4","1") = "6"
    & skf21("7","3","3","1","3","3","5","1") = "6"
    & skf21("7","3","3","1","3","3","6","1") = "6"
    & skf21("7","3","3","1","3","3","7","1") = "6"
    & skf21("7","3","3","1","3","4","1","1") = "6"
    & skf21("7","3","3","1","3","4","2","1") = "6"
    & skf21("7","3","3","1","3","4","3","1") = "6"
    & skf21("7","3","3","1","3","4","4","1") = "6"
    & skf21("7","3","3","1","3","4","5","1") = "6"
    & skf21("7","3","3","1","3","4","6","1") = "6"
    & skf21("7","3","3","1","3","4","7","1") = "6"
    & skf21("7","3","3","1","3","5","1","1") = "6"
    & skf21("7","3","3","1","3","5","2","1") = "6"
    & skf21("7","3","3","1","3","5","3","1") = "6"
    & skf21("7","3","3","1","3","5","4","1") = "6"
    & skf21("7","3","3","1","3","5","5","1") = "6"
    & skf21("7","3","3","1","3","5","6","1") = "6"
    & skf21("7","3","3","1","3","5","7","1") = "6"
    & skf21("7","3","3","1","3","6","1","1") = "6"
    & skf21("7","3","3","1","3","6","2","1") = "6"
    & skf21("7","3","3","1","3","6","3","1") = "6"
    & skf21("7","3","3","1","3","6","4","1") = "6"
    & skf21("7","3","3","1","3","6","5","1") = "6"
    & skf21("7","3","3","1","3","6","6","1") = "6"
    & skf21("7","3","3","1","3","6","7","1") = "6"
    & skf21("7","3","3","1","3","7","1","1") = "6"
    & skf21("7","3","3","1","3","7","2","1") = "6"
    & skf21("7","3","3","1","3","7","3","1") = "6"
    & skf21("7","3","3","1","3","7","4","1") = "6"
    & skf21("7","3","3","1","3","7","5","1") = "6"
    & skf21("7","3","3","1","3","7","6","1") = "6"
    & skf21("7","3","3","1","3","7","7","1") = "6"
    & skf21("7","3","3","1","4","1","1","1") = "6"
    & skf21("7","3","3","1","4","1","2","1") = "6"
    & skf21("7","3","3","1","4","1","3","1") = "6"
    & skf21("7","3","3","1","4","1","4","1") = "6"
    & skf21("7","3","3","1","4","1","5","1") = "6"
    & skf21("7","3","3","1","4","1","6","1") = "6"
    & skf21("7","3","3","1","4","1","7","1") = "6"
    & skf21("7","3","3","1","4","2","1","1") = "6"
    & skf21("7","3","3","1","4","2","2","1") = "6"
    & skf21("7","3","3","1","4","2","3","1") = "6"
    & skf21("7","3","3","1","4","2","4","1") = "6"
    & skf21("7","3","3","1","4","2","5","1") = "6"
    & skf21("7","3","3","1","4","2","6","1") = "6"
    & skf21("7","3","3","1","4","2","7","1") = "6"
    & skf21("7","3","3","1","4","3","1","1") = "6"
    & skf21("7","3","3","1","4","3","2","1") = "6"
    & skf21("7","3","3","1","4","3","3","1") = "6"
    & skf21("7","3","3","1","4","3","4","1") = "6"
    & skf21("7","3","3","1","4","3","5","1") = "6"
    & skf21("7","3","3","1","4","3","6","1") = "6"
    & skf21("7","3","3","1","4","3","7","1") = "6"
    & skf21("7","3","3","1","4","4","1","1") = "6"
    & skf21("7","3","3","1","4","4","2","1") = "6"
    & skf21("7","3","3","1","4","4","3","1") = "6"
    & skf21("7","3","3","1","4","4","4","1") = "6"
    & skf21("7","3","3","1","4","4","5","1") = "6"
    & skf21("7","3","3","1","4","4","6","1") = "6"
    & skf21("7","3","3","1","4","4","7","1") = "6"
    & skf21("7","3","3","1","4","5","1","1") = "6"
    & skf21("7","3","3","1","4","5","2","1") = "6"
    & skf21("7","3","3","1","4","5","3","1") = "6"
    & skf21("7","3","3","1","4","5","4","1") = "6"
    & skf21("7","3","3","1","4","5","5","1") = "6"
    & skf21("7","3","3","1","4","5","6","1") = "6"
    & skf21("7","3","3","1","4","5","7","1") = "6"
    & skf21("7","3","3","1","4","6","1","1") = "6"
    & skf21("7","3","3","1","4","6","2","1") = "6"
    & skf21("7","3","3","1","4","6","3","1") = "6"
    & skf21("7","3","3","1","4","6","4","1") = "6"
    & skf21("7","3","3","1","4","6","5","1") = "6"
    & skf21("7","3","3","1","4","6","6","1") = "6"
    & skf21("7","3","3","1","4","6","7","1") = "6"
    & skf21("7","3","3","1","4","7","1","1") = "6"
    & skf21("7","3","3","1","4","7","2","1") = "6"
    & skf21("7","3","3","1","4","7","3","1") = "6"
    & skf21("7","3","3","1","4","7","4","1") = "6"
    & skf21("7","3","3","1","4","7","5","1") = "6"
    & skf21("7","3","3","1","4","7","6","1") = "6"
    & skf21("7","3","3","1","4","7","7","1") = "6"
    & skf21("7","3","3","1","5","1","1","1") = "6"
    & skf21("7","3","3","1","5","1","2","1") = "6"
    & skf21("7","3","3","1","5","1","3","1") = "6"
    & skf21("7","3","3","1","5","1","4","1") = "6"
    & skf21("7","3","3","1","5","1","5","1") = "6"
    & skf21("7","3","3","1","5","1","6","1") = "6"
    & skf21("7","3","3","1","5","1","7","1") = "6"
    & skf21("7","3","3","1","5","2","1","1") = "6"
    & skf21("7","3","3","1","5","2","2","1") = "6"
    & skf21("7","3","3","1","5","2","3","1") = "6"
    & skf21("7","3","3","1","5","2","4","1") = "6"
    & skf21("7","3","3","1","5","2","5","1") = "6"
    & skf21("7","3","3","1","5","2","6","1") = "6"
    & skf21("7","3","3","1","5","2","7","1") = "6"
    & skf21("7","3","3","1","5","3","1","1") = "6"
    & skf21("7","3","3","1","5","3","2","1") = "6"
    & skf21("7","3","3","1","5","3","3","1") = "6"
    & skf21("7","3","3","1","5","3","4","1") = "6"
    & skf21("7","3","3","1","5","3","5","1") = "6"
    & skf21("7","3","3","1","5","3","6","1") = "6"
    & skf21("7","3","3","1","5","3","7","1") = "6"
    & skf21("7","3","3","1","5","4","1","1") = "6"
    & skf21("7","3","3","1","5","4","2","1") = "6"
    & skf21("7","3","3","1","5","4","3","1") = "6"
    & skf21("7","3","3","1","5","4","4","1") = "6"
    & skf21("7","3","3","1","5","4","5","1") = "6"
    & skf21("7","3","3","1","5","4","6","1") = "6"
    & skf21("7","3","3","1","5","4","7","1") = "6"
    & skf21("7","3","3","1","5","5","1","1") = "6"
    & skf21("7","3","3","1","5","5","2","1") = "6"
    & skf21("7","3","3","1","5","5","3","1") = "6"
    & skf21("7","3","3","1","5","5","4","1") = "6"
    & skf21("7","3","3","1","5","5","5","1") = "6"
    & skf21("7","3","3","1","5","5","6","1") = "6"
    & skf21("7","3","3","1","5","5","7","1") = "6"
    & skf21("7","3","3","1","5","6","1","1") = "6"
    & skf21("7","3","3","1","5","6","2","1") = "6"
    & skf21("7","3","3","1","5","6","3","1") = "6"
    & skf21("7","3","3","1","5","6","4","1") = "6"
    & skf21("7","3","3","1","5","6","5","1") = "6"
    & skf21("7","3","3","1","5","6","6","1") = "6"
    & skf21("7","3","3","1","5","6","7","1") = "6"
    & skf21("7","3","3","1","5","7","1","1") = "6"
    & skf21("7","3","3","1","5","7","2","1") = "6"
    & skf21("7","3","3","1","5","7","3","1") = "6"
    & skf21("7","3","3","1","5","7","4","1") = "6"
    & skf21("7","3","3","1","5","7","5","1") = "6"
    & skf21("7","3","3","1","5","7","6","1") = "6"
    & skf21("7","3","3","1","5","7","7","1") = "6"
    & skf21("7","3","3","1","6","1","1","1") = "6"
    & skf21("7","3","3","1","6","1","2","1") = "6"
    & skf21("7","3","3","1","6","1","3","1") = "6"
    & skf21("7","3","3","1","6","1","4","1") = "6"
    & skf21("7","3","3","1","6","1","5","1") = "6"
    & skf21("7","3","3","1","6","1","6","1") = "6"
    & skf21("7","3","3","1","6","1","7","1") = "6"
    & skf21("7","3","3","1","6","2","1","1") = "6"
    & skf21("7","3","3","1","6","2","2","1") = "6"
    & skf21("7","3","3","1","6","2","3","1") = "6"
    & skf21("7","3","3","1","6","2","4","1") = "6"
    & skf21("7","3","3","1","6","2","5","1") = "6"
    & skf21("7","3","3","1","6","2","6","1") = "6"
    & skf21("7","3","3","1","6","2","7","1") = "6"
    & skf21("7","3","3","1","6","3","1","1") = "6"
    & skf21("7","3","3","1","6","3","2","1") = "6"
    & skf21("7","3","3","1","6","3","3","1") = "6"
    & skf21("7","3","3","1","6","3","4","1") = "6"
    & skf21("7","3","3","1","6","3","5","1") = "6"
    & skf21("7","3","3","1","6","3","6","1") = "6"
    & skf21("7","3","3","1","6","3","7","1") = "6"
    & skf21("7","3","3","1","6","4","1","1") = "6"
    & skf21("7","3","3","1","6","4","2","1") = "6"
    & skf21("7","3","3","1","6","4","3","1") = "6"
    & skf21("7","3","3","1","6","4","4","1") = "6"
    & skf21("7","3","3","1","6","4","5","1") = "6"
    & skf21("7","3","3","1","6","4","6","1") = "6"
    & skf21("7","3","3","1","6","4","7","1") = "6"
    & skf21("7","3","3","1","6","5","1","1") = "6"
    & skf21("7","3","3","1","6","5","2","1") = "6"
    & skf21("7","3","3","1","6","5","3","1") = "6"
    & skf21("7","3","3","1","6","5","4","1") = "6"
    & skf21("7","3","3","1","6","5","5","1") = "6"
    & skf21("7","3","3","1","6","5","6","1") = "6"
    & skf21("7","3","3","1","6","5","7","1") = "6"
    & skf21("7","3","3","1","6","6","1","1") = "6"
    & skf21("7","3","3","1","6","6","2","1") = "6"
    & skf21("7","3","3","1","6","6","3","1") = "6"
    & skf21("7","3","3","1","6","6","4","1") = "6"
    & skf21("7","3","3","1","6","6","5","1") = "6"
    & skf21("7","3","3","1","6","6","6","1") = "6"
    & skf21("7","3","3","1","6","6","7","1") = "6"
    & skf21("7","3","3","1","6","7","1","1") = "6"
    & skf21("7","3","3","1","6","7","2","1") = "6"
    & skf21("7","3","3","1","6","7","3","1") = "6"
    & skf21("7","3","3","1","6","7","4","1") = "6"
    & skf21("7","3","3","1","6","7","5","1") = "6"
    & skf21("7","3","3","1","6","7","6","1") = "6"
    & skf21("7","3","3","1","6","7","7","1") = "6"
    & skf21("7","3","3","1","7","1","1","1") = "6"
    & skf21("7","3","3","1","7","1","2","1") = "6"
    & skf21("7","3","3","1","7","1","3","1") = "6"
    & skf21("7","3","3","1","7","1","4","1") = "6"
    & skf21("7","3","3","1","7","1","5","1") = "6"
    & skf21("7","3","3","1","7","1","6","1") = "6"
    & skf21("7","3","3","1","7","1","7","1") = "6"
    & skf21("7","3","3","1","7","2","1","1") = "6"
    & skf21("7","3","3","1","7","2","2","1") = "6"
    & skf21("7","3","3","1","7","2","3","1") = "6"
    & skf21("7","3","3","1","7","2","4","1") = "6"
    & skf21("7","3","3","1","7","2","5","1") = "6"
    & skf21("7","3","3","1","7","2","6","1") = "6"
    & skf21("7","3","3","1","7","2","7","1") = "6"
    & skf21("7","3","3","1","7","3","1","1") = "6"
    & skf21("7","3","3","1","7","3","2","1") = "6"
    & skf21("7","3","3","1","7","3","3","1") = "6"
    & skf21("7","3","3","1","7","3","4","1") = "6"
    & skf21("7","3","3","1","7","3","5","1") = "6"
    & skf21("7","3","3","1","7","3","6","1") = "6"
    & skf21("7","3","3","1","7","3","7","1") = "6"
    & skf21("7","3","3","1","7","4","1","1") = "6"
    & skf21("7","3","3","1","7","4","2","1") = "6"
    & skf21("7","3","3","1","7","4","3","1") = "6"
    & skf21("7","3","3","1","7","4","4","1") = "6"
    & skf21("7","3","3","1","7","4","5","1") = "6"
    & skf21("7","3","3","1","7","4","6","1") = "6"
    & skf21("7","3","3","1","7","4","7","1") = "6"
    & skf21("7","3","3","1","7","5","1","1") = "6"
    & skf21("7","3","3","1","7","5","2","1") = "6"
    & skf21("7","3","3","1","7","5","3","1") = "6"
    & skf21("7","3","3","1","7","5","4","1") = "6"
    & skf21("7","3","3","1","7","5","5","1") = "6"
    & skf21("7","3","3","1","7","5","6","1") = "6"
    & skf21("7","3","3","1","7","5","7","1") = "6"
    & skf21("7","3","3","1","7","6","1","1") = "6"
    & skf21("7","3","3","1","7","6","2","1") = "6"
    & skf21("7","3","3","1","7","6","3","1") = "6"
    & skf21("7","3","3","1","7","6","4","1") = "6"
    & skf21("7","3","3","1","7","6","5","1") = "6"
    & skf21("7","3","3","1","7","6","6","1") = "6"
    & skf21("7","3","3","1","7","6","7","1") = "6"
    & skf21("7","3","3","1","7","7","1","1") = "6"
    & skf21("7","3","3","1","7","7","2","1") = "6"
    & skf21("7","3","3","1","7","7","3","1") = "6"
    & skf21("7","3","3","1","7","7","4","1") = "6"
    & skf21("7","3","3","1","7","7","5","1") = "6"
    & skf21("7","3","3","1","7","7","6","1") = "6"
    & skf21("7","3","3","1","7","7","7","1") = "6"
    & skf21("7","3","3","2","1","1","1","1") = "6"
    & skf21("7","3","3","2","1","1","2","1") = "6"
    & skf21("7","3","3","2","1","1","3","1") = "6"
    & skf21("7","3","3","2","1","1","4","1") = "6"
    & skf21("7","3","3","2","1","1","5","1") = "6"
    & skf21("7","3","3","2","1","1","6","1") = "6"
    & skf21("7","3","3","2","1","1","7","1") = "6"
    & skf21("7","3","3","2","1","2","1","1") = "6"
    & skf21("7","3","3","2","1","2","2","1") = "6"
    & skf21("7","3","3","2","1","2","3","1") = "6"
    & skf21("7","3","3","2","1","2","4","1") = "6"
    & skf21("7","3","3","2","1","2","5","1") = "6"
    & skf21("7","3","3","2","1","2","6","1") = "6"
    & skf21("7","3","3","2","1","2","7","1") = "6"
    & skf21("7","3","3","2","1","3","1","1") = "6"
    & skf21("7","3","3","2","1","3","2","1") = "6"
    & skf21("7","3","3","2","1","3","3","1") = "6"
    & skf21("7","3","3","2","1","3","4","1") = "6"
    & skf21("7","3","3","2","1","3","5","1") = "6"
    & skf21("7","3","3","2","1","3","6","1") = "6"
    & skf21("7","3","3","2","1","3","7","1") = "6"
    & skf21("7","3","3","2","1","4","1","1") = "6"
    & skf21("7","3","3","2","1","4","2","1") = "6"
    & skf21("7","3","3","2","1","4","3","1") = "6"
    & skf21("7","3","3","2","1","4","4","1") = "6"
    & skf21("7","3","3","2","1","4","5","1") = "6"
    & skf21("7","3","3","2","1","4","6","1") = "6"
    & skf21("7","3","3","2","1","4","7","1") = "6"
    & skf21("7","3","3","2","1","5","1","1") = "6"
    & skf21("7","3","3","2","1","5","2","1") = "6"
    & skf21("7","3","3","2","1","5","3","1") = "6"
    & skf21("7","3","3","2","1","5","4","1") = "6"
    & skf21("7","3","3","2","1","5","5","1") = "6"
    & skf21("7","3","3","2","1","5","6","1") = "6"
    & skf21("7","3","3","2","1","5","7","1") = "6"
    & skf21("7","3","3","2","1","6","1","1") = "6"
    & skf21("7","3","3","2","1","6","2","1") = "6"
    & skf21("7","3","3","2","1","6","3","1") = "6"
    & skf21("7","3","3","2","1","6","4","1") = "6"
    & skf21("7","3","3","2","1","6","5","1") = "6"
    & skf21("7","3","3","2","1","6","6","1") = "6"
    & skf21("7","3","3","2","1","6","7","1") = "6"
    & skf21("7","3","3","2","1","7","1","1") = "6"
    & skf21("7","3","3","2","1","7","2","1") = "6"
    & skf21("7","3","3","2","1","7","3","1") = "6"
    & skf21("7","3","3","2","1","7","4","1") = "6"
    & skf21("7","3","3","2","1","7","5","1") = "6"
    & skf21("7","3","3","2","1","7","6","1") = "6"
    & skf21("7","3","3","2","1","7","7","1") = "6"
    & skf21("7","3","3","2","2","1","1","1") = "6"
    & skf21("7","3","3","2","2","1","2","1") = "6"
    & skf21("7","3","3","2","2","1","3","1") = "6"
    & skf21("7","3","3","2","2","1","4","1") = "6"
    & skf21("7","3","3","2","2","1","5","1") = "6"
    & skf21("7","3","3","2","2","1","6","1") = "6"
    & skf21("7","3","3","2","2","1","7","1") = "6"
    & skf21("7","3","3","2","2","2","1","1") = "6"
    & skf21("7","3","3","2","2","2","2","1") = "6"
    & skf21("7","3","3","2","2","2","3","1") = "6"
    & skf21("7","3","3","2","2","2","4","1") = "6"
    & skf21("7","3","3","2","2","2","5","1") = "6"
    & skf21("7","3","3","2","2","2","6","1") = "6"
    & skf21("7","3","3","2","2","2","7","1") = "6"
    & skf21("7","3","3","2","2","3","1","1") = "6"
    & skf21("7","3","3","2","2","3","2","1") = "6"
    & skf21("7","3","3","2","2","3","3","1") = "6"
    & skf21("7","3","3","2","2","3","4","1") = "6"
    & skf21("7","3","3","2","2","3","5","1") = "6"
    & skf21("7","3","3","2","2","3","6","1") = "6"
    & skf21("7","3","3","2","2","3","7","1") = "6"
    & skf21("7","3","3","2","2","4","1","1") = "6"
    & skf21("7","3","3","2","2","4","2","1") = "6"
    & skf21("7","3","3","2","2","4","3","1") = "6"
    & skf21("7","3","3","2","2","4","4","1") = "6"
    & skf21("7","3","3","2","2","4","5","1") = "6"
    & skf21("7","3","3","2","2","4","6","1") = "6"
    & skf21("7","3","3","2","2","4","7","1") = "6"
    & skf21("7","3","3","2","2","5","1","1") = "6"
    & skf21("7","3","3","2","2","5","2","1") = "6"
    & skf21("7","3","3","2","2","5","3","1") = "6"
    & skf21("7","3","3","2","2","5","4","1") = "6"
    & skf21("7","3","3","2","2","5","5","1") = "6"
    & skf21("7","3","3","2","2","5","6","1") = "6"
    & skf21("7","3","3","2","2","5","7","1") = "6"
    & skf21("7","3","3","2","2","6","1","1") = "6"
    & skf21("7","3","3","2","2","6","2","1") = "6"
    & skf21("7","3","3","2","2","6","3","1") = "6"
    & skf21("7","3","3","2","2","6","4","1") = "6"
    & skf21("7","3","3","2","2","6","5","1") = "6"
    & skf21("7","3","3","2","2","6","6","1") = "6"
    & skf21("7","3","3","2","2","6","7","1") = "6"
    & skf21("7","3","3","2","2","7","1","1") = "6"
    & skf21("7","3","3","2","2","7","2","1") = "6"
    & skf21("7","3","3","2","2","7","3","1") = "6"
    & skf21("7","3","3","2","2","7","4","1") = "6"
    & skf21("7","3","3","2","2","7","5","1") = "6"
    & skf21("7","3","3","2","2","7","6","1") = "6"
    & skf21("7","3","3","2","2","7","7","1") = "6"
    & skf21("7","3","3","2","3","1","1","1") = "6"
    & skf21("7","3","3","2","3","1","2","1") = "6"
    & skf21("7","3","3","2","3","1","3","1") = "6"
    & skf21("7","3","3","2","3","1","4","1") = "6"
    & skf21("7","3","3","2","3","1","5","1") = "6"
    & skf21("7","3","3","2","3","1","6","1") = "6"
    & skf21("7","3","3","2","3","1","7","1") = "6"
    & skf21("7","3","3","2","3","2","1","1") = "6"
    & skf21("7","3","3","2","3","2","2","1") = "6"
    & skf21("7","3","3","2","3","2","3","1") = "6"
    & skf21("7","3","3","2","3","2","4","1") = "6"
    & skf21("7","3","3","2","3","2","5","1") = "6"
    & skf21("7","3","3","2","3","2","6","1") = "6"
    & skf21("7","3","3","2","3","2","7","1") = "6"
    & skf21("7","3","3","2","3","3","1","1") = "6"
    & skf21("7","3","3","2","3","3","2","1") = "6"
    & skf21("7","3","3","2","3","3","3","1") = "6"
    & skf21("7","3","3","2","3","3","4","1") = "6"
    & skf21("7","3","3","2","3","3","5","1") = "6"
    & skf21("7","3","3","2","3","3","6","1") = "6"
    & skf21("7","3","3","2","3","3","7","1") = "6"
    & skf21("7","3","3","2","3","4","1","1") = "6"
    & skf21("7","3","3","2","3","4","2","1") = "6"
    & skf21("7","3","3","2","3","4","3","1") = "6"
    & skf21("7","3","3","2","3","4","4","1") = "6"
    & skf21("7","3","3","2","3","4","5","1") = "6"
    & skf21("7","3","3","2","3","4","6","1") = "6"
    & skf21("7","3","3","2","3","4","7","1") = "6"
    & skf21("7","3","3","2","3","5","1","1") = "6"
    & skf21("7","3","3","2","3","5","2","1") = "6"
    & skf21("7","3","3","2","3","5","3","1") = "6"
    & skf21("7","3","3","2","3","5","4","1") = "6"
    & skf21("7","3","3","2","3","5","5","1") = "6"
    & skf21("7","3","3","2","3","5","6","1") = "6"
    & skf21("7","3","3","2","3","5","7","1") = "6"
    & skf21("7","3","3","2","3","6","1","1") = "6"
    & skf21("7","3","3","2","3","6","2","1") = "6"
    & skf21("7","3","3","2","3","6","3","1") = "6"
    & skf21("7","3","3","2","3","6","4","1") = "6"
    & skf21("7","3","3","2","3","6","5","1") = "6"
    & skf21("7","3","3","2","3","6","6","1") = "6"
    & skf21("7","3","3","2","3","6","7","1") = "6"
    & skf21("7","3","3","2","3","7","1","1") = "6"
    & skf21("7","3","3","2","3","7","2","1") = "6"
    & skf21("7","3","3","2","3","7","3","1") = "6"
    & skf21("7","3","3","2","3","7","4","1") = "6"
    & skf21("7","3","3","2","3","7","5","1") = "6"
    & skf21("7","3","3","2","3","7","6","1") = "6"
    & skf21("7","3","3","2","3","7","7","1") = "6"
    & skf21("7","3","3","2","4","1","1","1") = "6"
    & skf21("7","3","3","2","4","1","2","1") = "6"
    & skf21("7","3","3","2","4","1","3","1") = "6"
    & skf21("7","3","3","2","4","1","4","1") = "6"
    & skf21("7","3","3","2","4","1","5","1") = "6"
    & skf21("7","3","3","2","4","1","6","1") = "6"
    & skf21("7","3","3","2","4","1","7","1") = "6"
    & skf21("7","3","3","2","4","2","1","1") = "6"
    & skf21("7","3","3","2","4","2","2","1") = "6"
    & skf21("7","3","3","2","4","2","3","1") = "6"
    & skf21("7","3","3","2","4","2","4","1") = "6"
    & skf21("7","3","3","2","4","2","5","1") = "6"
    & skf21("7","3","3","2","4","2","6","1") = "6"
    & skf21("7","3","3","2","4","2","7","1") = "6"
    & skf21("7","3","3","2","4","3","1","1") = "6"
    & skf21("7","3","3","2","4","3","2","1") = "6"
    & skf21("7","3","3","2","4","3","3","1") = "6"
    & skf21("7","3","3","2","4","3","4","1") = "6"
    & skf21("7","3","3","2","4","3","5","1") = "6"
    & skf21("7","3","3","2","4","3","6","1") = "6"
    & skf21("7","3","3","2","4","3","7","1") = "6"
    & skf21("7","3","3","2","4","4","1","1") = "6"
    & skf21("7","3","3","2","4","4","2","1") = "6"
    & skf21("7","3","3","2","4","4","3","1") = "6"
    & skf21("7","3","3","2","4","4","4","1") = "6"
    & skf21("7","3","3","2","4","4","5","1") = "6"
    & skf21("7","3","3","2","4","4","6","1") = "6"
    & skf21("7","3","3","2","4","4","7","1") = "6"
    & skf21("7","3","3","2","4","5","1","1") = "6"
    & skf21("7","3","3","2","4","5","2","1") = "6"
    & skf21("7","3","3","2","4","5","3","1") = "6"
    & skf21("7","3","3","2","4","5","4","1") = "6"
    & skf21("7","3","3","2","4","5","5","1") = "6"
    & skf21("7","3","3","2","4","5","6","1") = "6"
    & skf21("7","3","3","2","4","5","7","1") = "6"
    & skf21("7","3","3","2","4","6","1","1") = "6"
    & skf21("7","3","3","2","4","6","2","1") = "6"
    & skf21("7","3","3","2","4","6","3","1") = "6"
    & skf21("7","3","3","2","4","6","4","1") = "6"
    & skf21("7","3","3","2","4","6","5","1") = "6"
    & skf21("7","3","3","2","4","6","6","1") = "6"
    & skf21("7","3","3","2","4","6","7","1") = "6"
    & skf21("7","3","3","2","4","7","1","1") = "6"
    & skf21("7","3","3","2","4","7","2","1") = "6"
    & skf21("7","3","3","2","4","7","3","1") = "6"
    & skf21("7","3","3","2","4","7","4","1") = "6"
    & skf21("7","3","3","2","4","7","5","1") = "6"
    & skf21("7","3","3","2","4","7","6","1") = "6"
    & skf21("7","3","3","2","4","7","7","1") = "6"
    & skf21("7","3","3","2","5","1","1","1") = "6"
    & skf21("7","3","3","2","5","1","2","1") = "6"
    & skf21("7","3","3","2","5","1","3","1") = "6"
    & skf21("7","3","3","2","5","1","4","1") = "6"
    & skf21("7","3","3","2","5","1","5","1") = "6"
    & skf21("7","3","3","2","5","1","6","1") = "6"
    & skf21("7","3","3","2","5","1","7","1") = "6"
    & skf21("7","3","3","2","5","2","1","1") = "6"
    & skf21("7","3","3","2","5","2","2","1") = "6"
    & skf21("7","3","3","2","5","2","3","1") = "6"
    & skf21("7","3","3","2","5","2","4","1") = "6"
    & skf21("7","3","3","2","5","2","5","1") = "6"
    & skf21("7","3","3","2","5","2","6","1") = "6"
    & skf21("7","3","3","2","5","2","7","1") = "6"
    & skf21("7","3","3","2","5","3","1","1") = "6"
    & skf21("7","3","3","2","5","3","2","1") = "6"
    & skf21("7","3","3","2","5","3","3","1") = "6"
    & skf21("7","3","3","2","5","3","4","1") = "6"
    & skf21("7","3","3","2","5","3","5","1") = "6"
    & skf21("7","3","3","2","5","3","6","1") = "6"
    & skf21("7","3","3","2","5","3","7","1") = "6"
    & skf21("7","3","3","2","5","4","1","1") = "6"
    & skf21("7","3","3","2","5","4","2","1") = "6"
    & skf21("7","3","3","2","5","4","3","1") = "6"
    & skf21("7","3","3","2","5","4","4","1") = "6"
    & skf21("7","3","3","2","5","4","5","1") = "6"
    & skf21("7","3","3","2","5","4","6","1") = "6"
    & skf21("7","3","3","2","5","4","7","1") = "6"
    & skf21("7","3","3","2","5","5","1","1") = "6"
    & skf21("7","3","3","2","5","5","2","1") = "6"
    & skf21("7","3","3","2","5","5","3","1") = "6"
    & skf21("7","3","3","2","5","5","4","1") = "6"
    & skf21("7","3","3","2","5","5","5","1") = "6"
    & skf21("7","3","3","2","5","5","6","1") = "6"
    & skf21("7","3","3","2","5","5","7","1") = "6"
    & skf21("7","3","3","2","5","6","1","1") = "6"
    & skf21("7","3","3","2","5","6","2","1") = "6"
    & skf21("7","3","3","2","5","6","3","1") = "6"
    & skf21("7","3","3","2","5","6","4","1") = "6"
    & skf21("7","3","3","2","5","6","5","1") = "6"
    & skf21("7","3","3","2","5","6","6","1") = "6"
    & skf21("7","3","3","2","5","6","7","1") = "6"
    & skf21("7","3","3","2","5","7","1","1") = "6"
    & skf21("7","3","3","2","5","7","2","1") = "6"
    & skf21("7","3","3","2","5","7","3","1") = "6"
    & skf21("7","3","3","2","5","7","4","1") = "6"
    & skf21("7","3","3","2","5","7","5","1") = "6"
    & skf21("7","3","3","2","5","7","6","1") = "6"
    & skf21("7","3","3","2","5","7","7","1") = "6"
    & skf21("7","3","3","2","6","1","1","1") = "6"
    & skf21("7","3","3","2","6","1","2","1") = "6"
    & skf21("7","3","3","2","6","1","3","1") = "6"
    & skf21("7","3","3","2","6","1","4","1") = "6"
    & skf21("7","3","3","2","6","1","5","1") = "6"
    & skf21("7","3","3","2","6","1","6","1") = "6"
    & skf21("7","3","3","2","6","1","7","1") = "6"
    & skf21("7","3","3","2","6","2","1","1") = "6"
    & skf21("7","3","3","2","6","2","2","1") = "6"
    & skf21("7","3","3","2","6","2","3","1") = "6"
    & skf21("7","3","3","2","6","2","4","1") = "6"
    & skf21("7","3","3","2","6","2","5","1") = "6"
    & skf21("7","3","3","2","6","2","6","1") = "6"
    & skf21("7","3","3","2","6","2","7","1") = "6"
    & skf21("7","3","3","2","6","3","1","1") = "6"
    & skf21("7","3","3","2","6","3","2","1") = "6"
    & skf21("7","3","3","2","6","3","3","1") = "6"
    & skf21("7","3","3","2","6","3","4","1") = "6"
    & skf21("7","3","3","2","6","3","5","1") = "6"
    & skf21("7","3","3","2","6","3","6","1") = "6"
    & skf21("7","3","3","2","6","3","7","1") = "6"
    & skf21("7","3","3","2","6","4","1","1") = "6"
    & skf21("7","3","3","2","6","4","2","1") = "6"
    & skf21("7","3","3","2","6","4","3","1") = "6"
    & skf21("7","3","3","2","6","4","4","1") = "6"
    & skf21("7","3","3","2","6","4","5","1") = "6"
    & skf21("7","3","3","2","6","4","6","1") = "6"
    & skf21("7","3","3","2","6","4","7","1") = "6"
    & skf21("7","3","3","2","6","5","1","1") = "6"
    & skf21("7","3","3","2","6","5","2","1") = "6"
    & skf21("7","3","3","2","6","5","3","1") = "6"
    & skf21("7","3","3","2","6","5","4","1") = "6"
    & skf21("7","3","3","2","6","5","5","1") = "6"
    & skf21("7","3","3","2","6","5","6","1") = "6"
    & skf21("7","3","3","2","6","5","7","1") = "6"
    & skf21("7","3","3","2","6","6","1","1") = "6"
    & skf21("7","3","3","2","6","6","2","1") = "6"
    & skf21("7","3","3","2","6","6","3","1") = "6"
    & skf21("7","3","3","2","6","6","4","1") = "6"
    & skf21("7","3","3","2","6","6","5","1") = "6"
    & skf21("7","3","3","2","6","6","6","1") = "6"
    & skf21("7","3","3","2","6","6","7","1") = "6"
    & skf21("7","3","3","2","6","7","1","1") = "6"
    & skf21("7","3","3","2","6","7","2","1") = "6"
    & skf21("7","3","3","2","6","7","3","1") = "6"
    & skf21("7","3","3","2","6","7","4","1") = "6"
    & skf21("7","3","3","2","6","7","5","1") = "6"
    & skf21("7","3","3","2","6","7","6","1") = "6"
    & skf21("7","3","3","2","6","7","7","1") = "6"
    & skf21("7","3","3","2","7","1","1","1") = "6"
    & skf21("7","3","3","2","7","1","2","1") = "6"
    & skf21("7","3","3","2","7","1","3","1") = "6"
    & skf21("7","3","3","2","7","1","4","1") = "6"
    & skf21("7","3","3","2","7","1","5","1") = "6"
    & skf21("7","3","3","2","7","1","6","1") = "6"
    & skf21("7","3","3","2","7","1","7","1") = "6"
    & skf21("7","3","3","2","7","2","1","1") = "6"
    & skf21("7","3","3","2","7","2","2","1") = "6"
    & skf21("7","3","3","2","7","2","3","1") = "6"
    & skf21("7","3","3","2","7","2","4","1") = "6"
    & skf21("7","3","3","2","7","2","5","1") = "6"
    & skf21("7","3","3","2","7","2","6","1") = "6"
    & skf21("7","3","3","2","7","2","7","1") = "6"
    & skf21("7","3","3","2","7","3","1","1") = "6"
    & skf21("7","3","3","2","7","3","2","1") = "6"
    & skf21("7","3","3","2","7","3","3","1") = "6"
    & skf21("7","3","3","2","7","3","4","1") = "6"
    & skf21("7","3","3","2","7","3","5","1") = "6"
    & skf21("7","3","3","2","7","3","6","1") = "6"
    & skf21("7","3","3","2","7","3","7","1") = "6"
    & skf21("7","3","3","2","7","4","1","1") = "6"
    & skf21("7","3","3","2","7","4","2","1") = "6"
    & skf21("7","3","3","2","7","4","3","1") = "6"
    & skf21("7","3","3","2","7","4","4","1") = "6"
    & skf21("7","3","3","2","7","4","5","1") = "6"
    & skf21("7","3","3","2","7","4","6","1") = "6"
    & skf21("7","3","3","2","7","4","7","1") = "6"
    & skf21("7","3","3","2","7","5","1","1") = "6"
    & skf21("7","3","3","2","7","5","2","1") = "6"
    & skf21("7","3","3","2","7","5","3","1") = "6"
    & skf21("7","3","3","2","7","5","4","1") = "6"
    & skf21("7","3","3","2","7","5","5","1") = "6"
    & skf21("7","3","3","2","7","5","6","1") = "6"
    & skf21("7","3","3","2","7","5","7","1") = "6"
    & skf21("7","3","3","2","7","6","1","1") = "6"
    & skf21("7","3","3","2","7","6","2","1") = "6"
    & skf21("7","3","3","2","7","6","3","1") = "6"
    & skf21("7","3","3","2","7","6","4","1") = "6"
    & skf21("7","3","3","2","7","6","5","1") = "6"
    & skf21("7","3","3","2","7","6","6","1") = "6"
    & skf21("7","3","3","2","7","6","7","1") = "6"
    & skf21("7","3","3","2","7","7","1","1") = "6"
    & skf21("7","3","3","2","7","7","2","1") = "6"
    & skf21("7","3","3","2","7","7","3","1") = "6"
    & skf21("7","3","3","2","7","7","4","1") = "6"
    & skf21("7","3","3","2","7","7","5","1") = "6"
    & skf21("7","3","3","2","7","7","6","1") = "6"
    & skf21("7","3","3","2","7","7","7","1") = "6"
    & skf21("7","3","3","3","1","1","1","1") = "6"
    & skf21("7","3","3","3","1","1","2","1") = "6"
    & skf21("7","3","3","3","1","1","3","1") = "6"
    & skf21("7","3","3","3","1","1","4","1") = "6"
    & skf21("7","3","3","3","1","1","5","1") = "6"
    & skf21("7","3","3","3","1","1","6","1") = "6"
    & skf21("7","3","3","3","1","1","7","1") = "6"
    & skf21("7","3","3","3","1","2","1","1") = "6"
    & skf21("7","3","3","3","1","2","2","1") = "6"
    & skf21("7","3","3","3","1","2","3","1") = "6"
    & skf21("7","3","3","3","1","2","4","1") = "6"
    & skf21("7","3","3","3","1","2","5","1") = "6"
    & skf21("7","3","3","3","1","2","6","1") = "6"
    & skf21("7","3","3","3","1","2","7","1") = "6"
    & skf21("7","3","3","3","1","3","1","1") = "6"
    & skf21("7","3","3","3","1","3","2","1") = "6"
    & skf21("7","3","3","3","1","3","3","1") = "6"
    & skf21("7","3","3","3","1","3","4","1") = "6"
    & skf21("7","3","3","3","1","3","5","1") = "6"
    & skf21("7","3","3","3","1","3","6","1") = "6"
    & skf21("7","3","3","3","1","3","7","1") = "6"
    & skf21("7","3","3","3","1","4","1","1") = "6"
    & skf21("7","3","3","3","1","4","2","1") = "6"
    & skf21("7","3","3","3","1","4","3","1") = "6"
    & skf21("7","3","3","3","1","4","4","1") = "6"
    & skf21("7","3","3","3","1","4","5","1") = "6"
    & skf21("7","3","3","3","1","4","6","1") = "6"
    & skf21("7","3","3","3","1","4","7","1") = "6"
    & skf21("7","3","3","3","1","5","1","1") = "6"
    & skf21("7","3","3","3","1","5","2","1") = "6"
    & skf21("7","3","3","3","1","5","3","1") = "6"
    & skf21("7","3","3","3","1","5","4","1") = "6"
    & skf21("7","3","3","3","1","5","5","1") = "6"
    & skf21("7","3","3","3","1","5","6","1") = "6"
    & skf21("7","3","3","3","1","5","7","1") = "6"
    & skf21("7","3","3","3","1","6","1","1") = "6"
    & skf21("7","3","3","3","1","6","2","1") = "6"
    & skf21("7","3","3","3","1","6","3","1") = "6"
    & skf21("7","3","3","3","1","6","4","1") = "6"
    & skf21("7","3","3","3","1","6","5","1") = "6"
    & skf21("7","3","3","3","1","6","6","1") = "6"
    & skf21("7","3","3","3","1","6","7","1") = "6"
    & skf21("7","3","3","3","1","7","1","1") = "6"
    & skf21("7","3","3","3","1","7","2","1") = "6"
    & skf21("7","3","3","3","1","7","3","1") = "6"
    & skf21("7","3","3","3","1","7","4","1") = "6"
    & skf21("7","3","3","3","1","7","5","1") = "6"
    & skf21("7","3","3","3","1","7","6","1") = "6"
    & skf21("7","3","3","3","1","7","7","1") = "6"
    & skf21("7","3","3","3","2","1","1","1") = "6"
    & skf21("7","3","3","3","2","1","2","1") = "6"
    & skf21("7","3","3","3","2","1","3","1") = "6"
    & skf21("7","3","3","3","2","1","4","1") = "6"
    & skf21("7","3","3","3","2","1","5","1") = "6"
    & skf21("7","3","3","3","2","1","6","1") = "6"
    & skf21("7","3","3","3","2","1","7","1") = "6"
    & skf21("7","3","3","3","2","2","1","1") = "6"
    & skf21("7","3","3","3","2","2","2","1") = "6"
    & skf21("7","3","3","3","2","2","3","1") = "6"
    & skf21("7","3","3","3","2","2","4","1") = "6"
    & skf21("7","3","3","3","2","2","5","1") = "6"
    & skf21("7","3","3","3","2","2","6","1") = "6"
    & skf21("7","3","3","3","2","2","7","1") = "6"
    & skf21("7","3","3","3","2","3","1","1") = "6"
    & skf21("7","3","3","3","2","3","2","1") = "6"
    & skf21("7","3","3","3","2","3","3","1") = "6"
    & skf21("7","3","3","3","2","3","4","1") = "6"
    & skf21("7","3","3","3","2","3","5","1") = "6"
    & skf21("7","3","3","3","2","3","6","1") = "6"
    & skf21("7","3","3","3","2","3","7","1") = "6"
    & skf21("7","3","3","3","2","4","1","1") = "6"
    & skf21("7","3","3","3","2","4","2","1") = "6"
    & skf21("7","3","3","3","2","4","3","1") = "6"
    & skf21("7","3","3","3","2","4","4","1") = "6"
    & skf21("7","3","3","3","2","4","5","1") = "6"
    & skf21("7","3","3","3","2","4","6","1") = "6"
    & skf21("7","3","3","3","2","4","7","1") = "6"
    & skf21("7","3","3","3","2","5","1","1") = "6"
    & skf21("7","3","3","3","2","5","2","1") = "6"
    & skf21("7","3","3","3","2","5","3","1") = "6"
    & skf21("7","3","3","3","2","5","4","1") = "6"
    & skf21("7","3","3","3","2","5","5","1") = "6"
    & skf21("7","3","3","3","2","5","6","1") = "6"
    & skf21("7","3","3","3","2","5","7","1") = "6"
    & skf21("7","3","3","3","2","6","1","1") = "6"
    & skf21("7","3","3","3","2","6","2","1") = "6"
    & skf21("7","3","3","3","2","6","3","1") = "6"
    & skf21("7","3","3","3","2","6","4","1") = "6"
    & skf21("7","3","3","3","2","6","5","1") = "6"
    & skf21("7","3","3","3","2","6","6","1") = "6"
    & skf21("7","3","3","3","2","6","7","1") = "6"
    & skf21("7","3","3","3","2","7","1","1") = "6"
    & skf21("7","3","3","3","2","7","2","1") = "6"
    & skf21("7","3","3","3","2","7","3","1") = "6"
    & skf21("7","3","3","3","2","7","4","1") = "6"
    & skf21("7","3","3","3","2","7","5","1") = "6"
    & skf21("7","3","3","3","2","7","6","1") = "6"
    & skf21("7","3","3","3","2","7","7","1") = "6"
    & skf21("7","3","3","3","3","1","1","1") = "6"
    & skf21("7","3","3","3","3","1","2","1") = "6"
    & skf21("7","3","3","3","3","1","3","1") = "6"
    & skf21("7","3","3","3","3","1","4","1") = "6"
    & skf21("7","3","3","3","3","1","5","1") = "6"
    & skf21("7","3","3","3","3","1","6","1") = "6"
    & skf21("7","3","3","3","3","1","7","1") = "6"
    & skf21("7","3","3","3","3","2","1","1") = "6"
    & skf21("7","3","3","3","3","2","2","1") = "6"
    & skf21("7","3","3","3","3","2","3","1") = "6"
    & skf21("7","3","3","3","3","2","4","1") = "6"
    & skf21("7","3","3","3","3","2","5","1") = "6"
    & skf21("7","3","3","3","3","2","6","1") = "6"
    & skf21("7","3","3","3","3","2","7","1") = "6"
    & skf21("7","3","3","3","3","3","1","1") = "6"
    & skf21("7","3","3","3","3","3","2","1") = "6"
    & skf21("7","3","3","3","3","3","3","1") = "6"
    & skf21("7","3","3","3","3","3","4","1") = "6"
    & skf21("7","3","3","3","3","3","5","1") = "6"
    & skf21("7","3","3","3","3","3","6","1") = "6"
    & skf21("7","3","3","3","3","3","7","1") = "6"
    & skf21("7","3","3","3","3","4","1","1") = "6"
    & skf21("7","3","3","3","3","4","2","1") = "6"
    & skf21("7","3","3","3","3","4","3","1") = "6"
    & skf21("7","3","3","3","3","4","4","1") = "6"
    & skf21("7","3","3","3","3","4","5","1") = "6"
    & skf21("7","3","3","3","3","4","6","1") = "6"
    & skf21("7","3","3","3","3","4","7","1") = "6"
    & skf21("7","3","3","3","3","5","1","1") = "6"
    & skf21("7","3","3","3","3","5","2","1") = "6"
    & skf21("7","3","3","3","3","5","3","1") = "6"
    & skf21("7","3","3","3","3","5","4","1") = "6"
    & skf21("7","3","3","3","3","5","5","1") = "6"
    & skf21("7","3","3","3","3","5","6","1") = "6"
    & skf21("7","3","3","3","3","5","7","1") = "6"
    & skf21("7","3","3","3","3","6","1","1") = "6"
    & skf21("7","3","3","3","3","6","2","1") = "6"
    & skf21("7","3","3","3","3","6","3","1") = "6"
    & skf21("7","3","3","3","3","6","4","1") = "6"
    & skf21("7","3","3","3","3","6","5","1") = "6"
    & skf21("7","3","3","3","3","6","6","1") = "6"
    & skf21("7","3","3","3","3","6","7","1") = "6"
    & skf21("7","3","3","3","3","7","1","1") = "6"
    & skf21("7","3","3","3","3","7","2","1") = "6"
    & skf21("7","3","3","3","3","7","3","1") = "6"
    & skf21("7","3","3","3","3","7","4","1") = "6"
    & skf21("7","3","3","3","3","7","5","1") = "6"
    & skf21("7","3","3","3","3","7","6","1") = "6"
    & skf21("7","3","3","3","3","7","7","1") = "6"
    & skf21("7","3","3","3","4","1","1","1") = "6"
    & skf21("7","3","3","3","4","1","2","1") = "6"
    & skf21("7","3","3","3","4","1","3","1") = "6"
    & skf21("7","3","3","3","4","1","4","1") = "6"
    & skf21("7","3","3","3","4","1","5","1") = "6"
    & skf21("7","3","3","3","4","1","6","1") = "6"
    & skf21("7","3","3","3","4","1","7","1") = "6"
    & skf21("7","3","3","3","4","2","1","1") = "6"
    & skf21("7","3","3","3","4","2","2","1") = "6"
    & skf21("7","3","3","3","4","2","3","1") = "6"
    & skf21("7","3","3","3","4","2","4","1") = "6"
    & skf21("7","3","3","3","4","2","5","1") = "6"
    & skf21("7","3","3","3","4","2","6","1") = "6"
    & skf21("7","3","3","3","4","2","7","1") = "6"
    & skf21("7","3","3","3","4","3","1","1") = "6"
    & skf21("7","3","3","3","4","3","2","1") = "6"
    & skf21("7","3","3","3","4","3","3","1") = "6"
    & skf21("7","3","3","3","4","3","4","1") = "6"
    & skf21("7","3","3","3","4","3","5","1") = "6"
    & skf21("7","3","3","3","4","3","6","1") = "6"
    & skf21("7","3","3","3","4","3","7","1") = "6"
    & skf21("7","3","3","3","4","4","1","1") = "6"
    & skf21("7","3","3","3","4","4","2","1") = "6"
    & skf21("7","3","3","3","4","4","3","1") = "6"
    & skf21("7","3","3","3","4","4","4","1") = "6"
    & skf21("7","3","3","3","4","4","5","1") = "6"
    & skf21("7","3","3","3","4","4","6","1") = "6"
    & skf21("7","3","3","3","4","4","7","1") = "6"
    & skf21("7","3","3","3","4","5","1","1") = "6"
    & skf21("7","3","3","3","4","5","2","1") = "6"
    & skf21("7","3","3","3","4","5","3","1") = "6"
    & skf21("7","3","3","3","4","5","4","1") = "6"
    & skf21("7","3","3","3","4","5","5","1") = "6"
    & skf21("7","3","3","3","4","5","6","1") = "6"
    & skf21("7","3","3","3","4","5","7","1") = "6"
    & skf21("7","3","3","3","4","6","1","1") = "6"
    & skf21("7","3","3","3","4","6","2","1") = "6"
    & skf21("7","3","3","3","4","6","3","1") = "6"
    & skf21("7","3","3","3","4","6","4","1") = "6"
    & skf21("7","3","3","3","4","6","5","1") = "6"
    & skf21("7","3","3","3","4","6","6","1") = "6"
    & skf21("7","3","3","3","4","6","7","1") = "6"
    & skf21("7","3","3","3","4","7","1","1") = "6"
    & skf21("7","3","3","3","4","7","2","1") = "6"
    & skf21("7","3","3","3","4","7","3","1") = "6"
    & skf21("7","3","3","3","4","7","4","1") = "6"
    & skf21("7","3","3","3","4","7","5","1") = "6"
    & skf21("7","3","3","3","4","7","6","1") = "6"
    & skf21("7","3","3","3","4","7","7","1") = "6"
    & skf21("7","3","3","3","5","1","1","1") = "6"
    & skf21("7","3","3","3","5","1","2","1") = "6"
    & skf21("7","3","3","3","5","1","3","1") = "6"
    & skf21("7","3","3","3","5","1","4","1") = "6"
    & skf21("7","3","3","3","5","1","5","1") = "6"
    & skf21("7","3","3","3","5","1","6","1") = "6"
    & skf21("7","3","3","3","5","1","7","1") = "6"
    & skf21("7","3","3","3","5","2","1","1") = "6"
    & skf21("7","3","3","3","5","2","2","1") = "6"
    & skf21("7","3","3","3","5","2","3","1") = "6"
    & skf21("7","3","3","3","5","2","4","1") = "6"
    & skf21("7","3","3","3","5","2","5","1") = "6"
    & skf21("7","3","3","3","5","2","6","1") = "6"
    & skf21("7","3","3","3","5","2","7","1") = "6"
    & skf21("7","3","3","3","5","3","1","1") = "6"
    & skf21("7","3","3","3","5","3","2","1") = "6"
    & skf21("7","3","3","3","5","3","3","1") = "6"
    & skf21("7","3","3","3","5","3","4","1") = "6"
    & skf21("7","3","3","3","5","3","5","1") = "6"
    & skf21("7","3","3","3","5","3","6","1") = "6"
    & skf21("7","3","3","3","5","3","7","1") = "6"
    & skf21("7","3","3","3","5","4","1","1") = "6"
    & skf21("7","3","3","3","5","4","2","1") = "6"
    & skf21("7","3","3","3","5","4","3","1") = "6"
    & skf21("7","3","3","3","5","4","4","1") = "6"
    & skf21("7","3","3","3","5","4","5","1") = "6"
    & skf21("7","3","3","3","5","4","6","1") = "6"
    & skf21("7","3","3","3","5","4","7","1") = "6"
    & skf21("7","3","3","3","5","5","1","1") = "6"
    & skf21("7","3","3","3","5","5","2","1") = "6"
    & skf21("7","3","3","3","5","5","3","1") = "6"
    & skf21("7","3","3","3","5","5","4","1") = "6"
    & skf21("7","3","3","3","5","5","5","1") = "6"
    & skf21("7","3","3","3","5","5","6","1") = "6"
    & skf21("7","3","3","3","5","5","7","1") = "6"
    & skf21("7","3","3","3","5","6","1","1") = "6"
    & skf21("7","3","3","3","5","6","2","1") = "6"
    & skf21("7","3","3","3","5","6","3","1") = "6"
    & skf21("7","3","3","3","5","6","4","1") = "6"
    & skf21("7","3","3","3","5","6","5","1") = "6"
    & skf21("7","3","3","3","5","6","6","1") = "6"
    & skf21("7","3","3","3","5","6","7","1") = "6"
    & skf21("7","3","3","3","5","7","1","1") = "6"
    & skf21("7","3","3","3","5","7","2","1") = "6"
    & skf21("7","3","3","3","5","7","3","1") = "6"
    & skf21("7","3","3","3","5","7","4","1") = "6"
    & skf21("7","3","3","3","5","7","5","1") = "6"
    & skf21("7","3","3","3","5","7","6","1") = "6"
    & skf21("7","3","3","3","5","7","7","1") = "6"
    & skf21("7","3","3","3","6","1","1","1") = "6"
    & skf21("7","3","3","3","6","1","2","1") = "6"
    & skf21("7","3","3","3","6","1","3","1") = "6"
    & skf21("7","3","3","3","6","1","4","1") = "6"
    & skf21("7","3","3","3","6","1","5","1") = "6"
    & skf21("7","3","3","3","6","1","6","1") = "6"
    & skf21("7","3","3","3","6","1","7","1") = "6"
    & skf21("7","3","3","3","6","2","1","1") = "6"
    & skf21("7","3","3","3","6","2","2","1") = "6"
    & skf21("7","3","3","3","6","2","3","1") = "6"
    & skf21("7","3","3","3","6","2","4","1") = "6"
    & skf21("7","3","3","3","6","2","5","1") = "6"
    & skf21("7","3","3","3","6","2","6","1") = "6"
    & skf21("7","3","3","3","6","2","7","1") = "6"
    & skf21("7","3","3","3","6","3","1","1") = "6"
    & skf21("7","3","3","3","6","3","2","1") = "6"
    & skf21("7","3","3","3","6","3","3","1") = "6"
    & skf21("7","3","3","3","6","3","4","1") = "6"
    & skf21("7","3","3","3","6","3","5","1") = "6"
    & skf21("7","3","3","3","6","3","6","1") = "6"
    & skf21("7","3","3","3","6","3","7","1") = "6"
    & skf21("7","3","3","3","6","4","1","1") = "6"
    & skf21("7","3","3","3","6","4","2","1") = "6"
    & skf21("7","3","3","3","6","4","3","1") = "6"
    & skf21("7","3","3","3","6","4","4","1") = "6"
    & skf21("7","3","3","3","6","4","5","1") = "6"
    & skf21("7","3","3","3","6","4","6","1") = "6"
    & skf21("7","3","3","3","6","4","7","1") = "6"
    & skf21("7","3","3","3","6","5","1","1") = "6"
    & skf21("7","3","3","3","6","5","2","1") = "6"
    & skf21("7","3","3","3","6","5","3","1") = "6"
    & skf21("7","3","3","3","6","5","4","1") = "6"
    & skf21("7","3","3","3","6","5","5","1") = "6"
    & skf21("7","3","3","3","6","5","6","1") = "6"
    & skf21("7","3","3","3","6","5","7","1") = "6"
    & skf21("7","3","3","3","6","6","1","1") = "6"
    & skf21("7","3","3","3","6","6","2","1") = "6"
    & skf21("7","3","3","3","6","6","3","1") = "6"
    & skf21("7","3","3","3","6","6","4","1") = "6"
    & skf21("7","3","3","3","6","6","5","1") = "6"
    & skf21("7","3","3","3","6","6","6","1") = "6"
    & skf21("7","3","3","3","6","6","7","1") = "6"
    & skf21("7","3","3","3","6","7","1","1") = "6"
    & skf21("7","3","3","3","6","7","2","1") = "6"
    & skf21("7","3","3","3","6","7","3","1") = "6"
    & skf21("7","3","3","3","6","7","4","1") = "6"
    & skf21("7","3","3","3","6","7","5","1") = "6"
    & skf21("7","3","3","3","6","7","6","1") = "6"
    & skf21("7","3","3","3","6","7","7","1") = "6"
    & skf21("7","3","3","3","7","1","1","1") = "6"
    & skf21("7","3","3","3","7","1","2","1") = "6"
    & skf21("7","3","3","3","7","1","3","1") = "6"
    & skf21("7","3","3","3","7","1","4","1") = "6"
    & skf21("7","3","3","3","7","1","5","1") = "6"
    & skf21("7","3","3","3","7","1","6","1") = "6"
    & skf21("7","3","3","3","7","1","7","1") = "6"
    & skf21("7","3","3","3","7","2","1","1") = "6"
    & skf21("7","3","3","3","7","2","2","1") = "6"
    & skf21("7","3","3","3","7","2","3","1") = "6"
    & skf21("7","3","3","3","7","2","4","1") = "6"
    & skf21("7","3","3","3","7","2","5","1") = "6"
    & skf21("7","3","3","3","7","2","6","1") = "6"
    & skf21("7","3","3","3","7","2","7","1") = "6"
    & skf21("7","3","3","3","7","3","1","1") = "6"
    & skf21("7","3","3","3","7","3","2","1") = "6"
    & skf21("7","3","3","3","7","3","3","1") = "6"
    & skf21("7","3","3","3","7","3","4","1") = "6"
    & skf21("7","3","3","3","7","3","5","1") = "6"
    & skf21("7","3","3","3","7","3","6","1") = "6"
    & skf21("7","3","3","3","7","3","7","1") = "6"
    & skf21("7","3","3","3","7","4","1","1") = "6"
    & skf21("7","3","3","3","7","4","2","1") = "6"
    & skf21("7","3","3","3","7","4","3","1") = "6"
    & skf21("7","3","3","3","7","4","4","1") = "6"
    & skf21("7","3","3","3","7","4","5","1") = "6"
    & skf21("7","3","3","3","7","4","6","1") = "6"
    & skf21("7","3","3","3","7","4","7","1") = "6"
    & skf21("7","3","3","3","7","5","1","1") = "6"
    & skf21("7","3","3","3","7","5","2","1") = "6"
    & skf21("7","3","3","3","7","5","3","1") = "6"
    & skf21("7","3","3","3","7","5","4","1") = "6"
    & skf21("7","3","3","3","7","5","5","1") = "6"
    & skf21("7","3","3","3","7","5","6","1") = "6"
    & skf21("7","3","3","3","7","5","7","1") = "6"
    & skf21("7","3","3","3","7","6","1","1") = "6"
    & skf21("7","3","3","3","7","6","2","1") = "6"
    & skf21("7","3","3","3","7","6","3","1") = "6"
    & skf21("7","3","3","3","7","6","4","1") = "6"
    & skf21("7","3","3","3","7","6","5","1") = "6"
    & skf21("7","3","3","3","7","6","6","1") = "6"
    & skf21("7","3","3","3","7","6","7","1") = "6"
    & skf21("7","3","3","3","7","7","1","1") = "6"
    & skf21("7","3","3","3","7","7","2","1") = "6"
    & skf21("7","3","3","3","7","7","3","1") = "6"
    & skf21("7","3","3","3","7","7","4","1") = "6"
    & skf21("7","3","3","3","7","7","5","1") = "6"
    & skf21("7","3","3","3","7","7","6","1") = "6"
    & skf21("7","3","3","3","7","7","7","1") = "6"
    & skf21("7","3","3","4","1","1","1","1") = "6"
    & skf21("7","3","3","4","1","1","2","1") = "6"
    & skf21("7","3","3","4","1","1","3","1") = "6"
    & skf21("7","3","3","4","1","1","4","1") = "6"
    & skf21("7","3","3","4","1","1","5","1") = "6"
    & skf21("7","3","3","4","1","1","6","1") = "6"
    & skf21("7","3","3","4","1","1","7","1") = "6"
    & skf21("7","3","3","4","1","2","1","1") = "6"
    & skf21("7","3","3","4","1","2","2","1") = "6"
    & skf21("7","3","3","4","1","2","3","1") = "6"
    & skf21("7","3","3","4","1","2","4","1") = "6"
    & skf21("7","3","3","4","1","2","5","1") = "6"
    & skf21("7","3","3","4","1","2","6","1") = "6"
    & skf21("7","3","3","4","1","2","7","1") = "6"
    & skf21("7","3","3","4","1","3","1","1") = "6"
    & skf21("7","3","3","4","1","3","2","1") = "6"
    & skf21("7","3","3","4","1","3","3","1") = "6"
    & skf21("7","3","3","4","1","3","4","1") = "6"
    & skf21("7","3","3","4","1","3","5","1") = "6"
    & skf21("7","3","3","4","1","3","6","1") = "6"
    & skf21("7","3","3","4","1","3","7","1") = "6"
    & skf21("7","3","3","4","1","4","1","1") = "6"
    & skf21("7","3","3","4","1","4","2","1") = "6"
    & skf21("7","3","3","4","1","4","3","1") = "6"
    & skf21("7","3","3","4","1","4","4","1") = "6"
    & skf21("7","3","3","4","1","4","5","1") = "6"
    & skf21("7","3","3","4","1","4","6","1") = "6"
    & skf21("7","3","3","4","1","4","7","1") = "6"
    & skf21("7","3","3","4","1","5","1","1") = "6"
    & skf21("7","3","3","4","1","5","2","1") = "6"
    & skf21("7","3","3","4","1","5","3","1") = "6"
    & skf21("7","3","3","4","1","5","4","1") = "6"
    & skf21("7","3","3","4","1","5","5","1") = "6"
    & skf21("7","3","3","4","1","5","6","1") = "6"
    & skf21("7","3","3","4","1","5","7","1") = "6"
    & skf21("7","3","3","4","1","6","1","1") = "6"
    & skf21("7","3","3","4","1","6","2","1") = "6"
    & skf21("7","3","3","4","1","6","3","1") = "6"
    & skf21("7","3","3","4","1","6","4","1") = "6"
    & skf21("7","3","3","4","1","6","5","1") = "6"
    & skf21("7","3","3","4","1","6","6","1") = "6"
    & skf21("7","3","3","4","1","6","7","1") = "6"
    & skf21("7","3","3","4","1","7","1","1") = "6"
    & skf21("7","3","3","4","1","7","2","1") = "6"
    & skf21("7","3","3","4","1","7","3","1") = "6"
    & skf21("7","3","3","4","1","7","4","1") = "6"
    & skf21("7","3","3","4","1","7","5","1") = "6"
    & skf21("7","3","3","4","1","7","6","1") = "6"
    & skf21("7","3","3","4","1","7","7","1") = "6"
    & skf21("7","3","3","4","2","1","1","1") = "6"
    & skf21("7","3","3","4","2","1","2","1") = "6"
    & skf21("7","3","3","4","2","1","3","1") = "6"
    & skf21("7","3","3","4","2","1","4","1") = "6"
    & skf21("7","3","3","4","2","1","5","1") = "6"
    & skf21("7","3","3","4","2","1","6","1") = "6"
    & skf21("7","3","3","4","2","1","7","1") = "6"
    & skf21("7","3","3","4","2","2","1","1") = "6"
    & skf21("7","3","3","4","2","2","2","1") = "6"
    & skf21("7","3","3","4","2","2","3","1") = "6"
    & skf21("7","3","3","4","2","2","4","1") = "6"
    & skf21("7","3","3","4","2","2","5","1") = "6"
    & skf21("7","3","3","4","2","2","6","1") = "6"
    & skf21("7","3","3","4","2","2","7","1") = "6"
    & skf21("7","3","3","4","2","3","1","1") = "6"
    & skf21("7","3","3","4","2","3","2","1") = "6"
    & skf21("7","3","3","4","2","3","3","1") = "6"
    & skf21("7","3","3","4","2","3","4","1") = "6"
    & skf21("7","3","3","4","2","3","5","1") = "6"
    & skf21("7","3","3","4","2","3","6","1") = "6"
    & skf21("7","3","3","4","2","3","7","1") = "6"
    & skf21("7","3","3","4","2","4","1","1") = "6"
    & skf21("7","3","3","4","2","4","2","1") = "6"
    & skf21("7","3","3","4","2","4","3","1") = "6"
    & skf21("7","3","3","4","2","4","4","1") = "6"
    & skf21("7","3","3","4","2","4","5","1") = "6"
    & skf21("7","3","3","4","2","4","6","1") = "6"
    & skf21("7","3","3","4","2","4","7","1") = "6"
    & skf21("7","3","3","4","2","5","1","1") = "6"
    & skf21("7","3","3","4","2","5","2","1") = "6"
    & skf21("7","3","3","4","2","5","3","1") = "6"
    & skf21("7","3","3","4","2","5","4","1") = "6"
    & skf21("7","3","3","4","2","5","5","1") = "6"
    & skf21("7","3","3","4","2","5","6","1") = "6"
    & skf21("7","3","3","4","2","5","7","1") = "6"
    & skf21("7","3","3","4","2","6","1","1") = "6"
    & skf21("7","3","3","4","2","6","2","1") = "6"
    & skf21("7","3","3","4","2","6","3","1") = "6"
    & skf21("7","3","3","4","2","6","4","1") = "6"
    & skf21("7","3","3","4","2","6","5","1") = "6"
    & skf21("7","3","3","4","2","6","6","1") = "6"
    & skf21("7","3","3","4","2","6","7","1") = "6"
    & skf21("7","3","3","4","2","7","1","1") = "6"
    & skf21("7","3","3","4","2","7","2","1") = "6"
    & skf21("7","3","3","4","2","7","3","1") = "6"
    & skf21("7","3","3","4","2","7","4","1") = "6"
    & skf21("7","3","3","4","2","7","5","1") = "6"
    & skf21("7","3","3","4","2","7","6","1") = "6"
    & skf21("7","3","3","4","2","7","7","1") = "6"
    & skf21("7","3","3","4","3","1","1","1") = "6"
    & skf21("7","3","3","4","3","1","2","1") = "6"
    & skf21("7","3","3","4","3","1","3","1") = "6"
    & skf21("7","3","3","4","3","1","4","1") = "6"
    & skf21("7","3","3","4","3","1","5","1") = "6"
    & skf21("7","3","3","4","3","1","6","1") = "6"
    & skf21("7","3","3","4","3","1","7","1") = "6"
    & skf21("7","3","3","4","3","2","1","1") = "6"
    & skf21("7","3","3","4","3","2","2","1") = "6"
    & skf21("7","3","3","4","3","2","3","1") = "6"
    & skf21("7","3","3","4","3","2","4","1") = "6"
    & skf21("7","3","3","4","3","2","5","1") = "6"
    & skf21("7","3","3","4","3","2","6","1") = "6"
    & skf21("7","3","3","4","3","2","7","1") = "6"
    & skf21("7","3","3","4","3","3","1","1") = "6"
    & skf21("7","3","3","4","3","3","2","1") = "6"
    & skf21("7","3","3","4","3","3","3","1") = "6"
    & skf21("7","3","3","4","3","3","4","1") = "6"
    & skf21("7","3","3","4","3","3","5","1") = "6"
    & skf21("7","3","3","4","3","3","6","1") = "6"
    & skf21("7","3","3","4","3","3","7","1") = "6"
    & skf21("7","3","3","4","3","4","1","1") = "6"
    & skf21("7","3","3","4","3","4","2","1") = "6"
    & skf21("7","3","3","4","3","4","3","1") = "6"
    & skf21("7","3","3","4","3","4","4","1") = "6"
    & skf21("7","3","3","4","3","4","5","1") = "6"
    & skf21("7","3","3","4","3","4","6","1") = "6"
    & skf21("7","3","3","4","3","4","7","1") = "6"
    & skf21("7","3","3","4","3","5","1","1") = "6"
    & skf21("7","3","3","4","3","5","2","1") = "6"
    & skf21("7","3","3","4","3","5","3","1") = "6"
    & skf21("7","3","3","4","3","5","4","1") = "6"
    & skf21("7","3","3","4","3","5","5","1") = "6"
    & skf21("7","3","3","4","3","5","6","1") = "6"
    & skf21("7","3","3","4","3","5","7","1") = "6"
    & skf21("7","3","3","4","3","6","1","1") = "6"
    & skf21("7","3","3","4","3","6","2","1") = "6"
    & skf21("7","3","3","4","3","6","3","1") = "6"
    & skf21("7","3","3","4","3","6","4","1") = "6"
    & skf21("7","3","3","4","3","6","5","1") = "6"
    & skf21("7","3","3","4","3","6","6","1") = "6"
    & skf21("7","3","3","4","3","6","7","1") = "6"
    & skf21("7","3","3","4","3","7","1","1") = "6"
    & skf21("7","3","3","4","3","7","2","1") = "6"
    & skf21("7","3","3","4","3","7","3","1") = "6"
    & skf21("7","3","3","4","3","7","4","1") = "6"
    & skf21("7","3","3","4","3","7","5","1") = "6"
    & skf21("7","3","3","4","3","7","6","1") = "6"
    & skf21("7","3","3","4","3","7","7","1") = "6"
    & skf21("7","3","3","4","4","1","1","1") = "6"
    & skf21("7","3","3","4","4","1","2","1") = "6"
    & skf21("7","3","3","4","4","1","3","1") = "6"
    & skf21("7","3","3","4","4","1","4","1") = "6"
    & skf21("7","3","3","4","4","1","5","1") = "6"
    & skf21("7","3","3","4","4","1","6","1") = "6"
    & skf21("7","3","3","4","4","1","7","1") = "6"
    & skf21("7","3","3","4","4","2","1","1") = "6"
    & skf21("7","3","3","4","4","2","2","1") = "6"
    & skf21("7","3","3","4","4","2","3","1") = "6"
    & skf21("7","3","3","4","4","2","4","1") = "6"
    & skf21("7","3","3","4","4","2","5","1") = "6"
    & skf21("7","3","3","4","4","2","6","1") = "6"
    & skf21("7","3","3","4","4","2","7","1") = "6"
    & skf21("7","3","3","4","4","3","1","1") = "6"
    & skf21("7","3","3","4","4","3","2","1") = "6"
    & skf21("7","3","3","4","4","3","3","1") = "6"
    & skf21("7","3","3","4","4","3","4","1") = "6"
    & skf21("7","3","3","4","4","3","5","1") = "6"
    & skf21("7","3","3","4","4","3","6","1") = "6"
    & skf21("7","3","3","4","4","3","7","1") = "6"
    & skf21("7","3","3","4","4","4","1","1") = "6"
    & skf21("7","3","3","4","4","4","2","1") = "6"
    & skf21("7","3","3","4","4","4","3","1") = "6"
    & skf21("7","3","3","4","4","4","4","1") = "6"
    & skf21("7","3","3","4","4","4","5","1") = "6"
    & skf21("7","3","3","4","4","4","6","1") = "6"
    & skf21("7","3","3","4","4","4","7","1") = "6"
    & skf21("7","3","3","4","4","5","1","1") = "6"
    & skf21("7","3","3","4","4","5","2","1") = "6"
    & skf21("7","3","3","4","4","5","3","1") = "6"
    & skf21("7","3","3","4","4","5","4","1") = "6"
    & skf21("7","3","3","4","4","5","5","1") = "6"
    & skf21("7","3","3","4","4","5","6","1") = "6"
    & skf21("7","3","3","4","4","5","7","1") = "6"
    & skf21("7","3","3","4","4","6","1","1") = "6"
    & skf21("7","3","3","4","4","6","2","1") = "6"
    & skf21("7","3","3","4","4","6","3","1") = "6"
    & skf21("7","3","3","4","4","6","4","1") = "6"
    & skf21("7","3","3","4","4","6","5","1") = "6"
    & skf21("7","3","3","4","4","6","6","1") = "6"
    & skf21("7","3","3","4","4","6","7","1") = "6"
    & skf21("7","3","3","4","4","7","1","1") = "6"
    & skf21("7","3","3","4","4","7","2","1") = "6"
    & skf21("7","3","3","4","4","7","3","1") = "6"
    & skf21("7","3","3","4","4","7","4","1") = "6"
    & skf21("7","3","3","4","4","7","5","1") = "6"
    & skf21("7","3","3","4","4","7","6","1") = "6"
    & skf21("7","3","3","4","4","7","7","1") = "6"
    & skf21("7","3","3","4","5","1","1","1") = "6"
    & skf21("7","3","3","4","5","1","2","1") = "6"
    & skf21("7","3","3","4","5","1","3","1") = "6"
    & skf21("7","3","3","4","5","1","4","1") = "6"
    & skf21("7","3","3","4","5","1","5","1") = "6"
    & skf21("7","3","3","4","5","1","6","1") = "6"
    & skf21("7","3","3","4","5","1","7","1") = "6"
    & skf21("7","3","3","4","5","2","1","1") = "6"
    & skf21("7","3","3","4","5","2","2","1") = "6"
    & skf21("7","3","3","4","5","2","3","1") = "6"
    & skf21("7","3","3","4","5","2","4","1") = "6"
    & skf21("7","3","3","4","5","2","5","1") = "6"
    & skf21("7","3","3","4","5","2","6","1") = "6"
    & skf21("7","3","3","4","5","2","7","1") = "6"
    & skf21("7","3","3","4","5","3","1","1") = "6"
    & skf21("7","3","3","4","5","3","2","1") = "6"
    & skf21("7","3","3","4","5","3","3","1") = "6"
    & skf21("7","3","3","4","5","3","4","1") = "6"
    & skf21("7","3","3","4","5","3","5","1") = "6"
    & skf21("7","3","3","4","5","3","6","1") = "6"
    & skf21("7","3","3","4","5","3","7","1") = "6"
    & skf21("7","3","3","4","5","4","1","1") = "6"
    & skf21("7","3","3","4","5","4","2","1") = "6"
    & skf21("7","3","3","4","5","4","3","1") = "6"
    & skf21("7","3","3","4","5","4","4","1") = "6"
    & skf21("7","3","3","4","5","4","5","1") = "6"
    & skf21("7","3","3","4","5","4","6","1") = "6"
    & skf21("7","3","3","4","5","4","7","1") = "6"
    & skf21("7","3","3","4","5","5","1","1") = "6"
    & skf21("7","3","3","4","5","5","2","1") = "6"
    & skf21("7","3","3","4","5","5","3","1") = "6"
    & skf21("7","3","3","4","5","5","4","1") = "6"
    & skf21("7","3","3","4","5","5","5","1") = "6"
    & skf21("7","3","3","4","5","5","6","1") = "6"
    & skf21("7","3","3","4","5","5","7","1") = "6"
    & skf21("7","3","3","4","5","6","1","1") = "6"
    & skf21("7","3","3","4","5","6","2","1") = "6"
    & skf21("7","3","3","4","5","6","3","1") = "6"
    & skf21("7","3","3","4","5","6","4","1") = "6"
    & skf21("7","3","3","4","5","6","5","1") = "6"
    & skf21("7","3","3","4","5","6","6","1") = "6"
    & skf21("7","3","3","4","5","6","7","1") = "6"
    & skf21("7","3","3","4","5","7","1","1") = "6"
    & skf21("7","3","3","4","5","7","2","1") = "6"
    & skf21("7","3","3","4","5","7","3","1") = "6"
    & skf21("7","3","3","4","5","7","4","1") = "6"
    & skf21("7","3","3","4","5","7","5","1") = "6"
    & skf21("7","3","3","4","5","7","6","1") = "6"
    & skf21("7","3","3","4","5","7","7","1") = "6"
    & skf21("7","3","3","4","6","1","1","1") = "6"
    & skf21("7","3","3","4","6","1","2","1") = "6"
    & skf21("7","3","3","4","6","1","3","1") = "6"
    & skf21("7","3","3","4","6","1","4","1") = "6"
    & skf21("7","3","3","4","6","1","5","1") = "6"
    & skf21("7","3","3","4","6","1","6","1") = "6"
    & skf21("7","3","3","4","6","1","7","1") = "6"
    & skf21("7","3","3","4","6","2","1","1") = "6"
    & skf21("7","3","3","4","6","2","2","1") = "6"
    & skf21("7","3","3","4","6","2","3","1") = "6"
    & skf21("7","3","3","4","6","2","4","1") = "6"
    & skf21("7","3","3","4","6","2","5","1") = "6"
    & skf21("7","3","3","4","6","2","6","1") = "6"
    & skf21("7","3","3","4","6","2","7","1") = "6"
    & skf21("7","3","3","4","6","3","1","1") = "6"
    & skf21("7","3","3","4","6","3","2","1") = "6"
    & skf21("7","3","3","4","6","3","3","1") = "6"
    & skf21("7","3","3","4","6","3","4","1") = "6"
    & skf21("7","3","3","4","6","3","5","1") = "6"
    & skf21("7","3","3","4","6","3","6","1") = "6"
    & skf21("7","3","3","4","6","3","7","1") = "6"
    & skf21("7","3","3","4","6","4","1","1") = "6"
    & skf21("7","3","3","4","6","4","2","1") = "6"
    & skf21("7","3","3","4","6","4","3","1") = "6"
    & skf21("7","3","3","4","6","4","4","1") = "6"
    & skf21("7","3","3","4","6","4","5","1") = "6"
    & skf21("7","3","3","4","6","4","6","1") = "6"
    & skf21("7","3","3","4","6","4","7","1") = "6"
    & skf21("7","3","3","4","6","5","1","1") = "6"
    & skf21("7","3","3","4","6","5","2","1") = "6"
    & skf21("7","3","3","4","6","5","3","1") = "6"
    & skf21("7","3","3","4","6","5","4","1") = "6"
    & skf21("7","3","3","4","6","5","5","1") = "6"
    & skf21("7","3","3","4","6","5","6","1") = "6"
    & skf21("7","3","3","4","6","5","7","1") = "6"
    & skf21("7","3","3","4","6","6","1","1") = "6"
    & skf21("7","3","3","4","6","6","2","1") = "6"
    & skf21("7","3","3","4","6","6","3","1") = "6"
    & skf21("7","3","3","4","6","6","4","1") = "6"
    & skf21("7","3","3","4","6","6","5","1") = "6"
    & skf21("7","3","3","4","6","6","6","1") = "6"
    & skf21("7","3","3","4","6","6","7","1") = "6"
    & skf21("7","3","3","4","6","7","1","1") = "6"
    & skf21("7","3","3","4","6","7","2","1") = "6"
    & skf21("7","3","3","4","6","7","3","1") = "6"
    & skf21("7","3","3","4","6","7","4","1") = "6"
    & skf21("7","3","3","4","6","7","5","1") = "6"
    & skf21("7","3","3","4","6","7","6","1") = "6"
    & skf21("7","3","3","4","6","7","7","1") = "6"
    & skf21("7","3","3","4","7","1","1","1") = "6"
    & skf21("7","3","3","4","7","1","2","1") = "6"
    & skf21("7","3","3","4","7","1","3","1") = "6"
    & skf21("7","3","3","4","7","1","4","1") = "6"
    & skf21("7","3","3","4","7","1","5","1") = "6"
    & skf21("7","3","3","4","7","1","6","1") = "6"
    & skf21("7","3","3","4","7","1","7","1") = "6"
    & skf21("7","3","3","4","7","2","1","1") = "6"
    & skf21("7","3","3","4","7","2","2","1") = "6"
    & skf21("7","3","3","4","7","2","3","1") = "6"
    & skf21("7","3","3","4","7","2","4","1") = "6"
    & skf21("7","3","3","4","7","2","5","1") = "6"
    & skf21("7","3","3","4","7","2","6","1") = "6"
    & skf21("7","3","3","4","7","2","7","1") = "6"
    & skf21("7","3","3","4","7","3","1","1") = "6"
    & skf21("7","3","3","4","7","3","2","1") = "6"
    & skf21("7","3","3","4","7","3","3","1") = "6"
    & skf21("7","3","3","4","7","3","4","1") = "6"
    & skf21("7","3","3","4","7","3","5","1") = "6"
    & skf21("7","3","3","4","7","3","6","1") = "6"
    & skf21("7","3","3","4","7","3","7","1") = "6"
    & skf21("7","3","3","4","7","4","1","1") = "6"
    & skf21("7","3","3","4","7","4","2","1") = "6"
    & skf21("7","3","3","4","7","4","3","1") = "6"
    & skf21("7","3","3","4","7","4","4","1") = "6"
    & skf21("7","3","3","4","7","4","5","1") = "6"
    & skf21("7","3","3","4","7","4","6","1") = "6"
    & skf21("7","3","3","4","7","4","7","1") = "6"
    & skf21("7","3","3","4","7","5","1","1") = "6"
    & skf21("7","3","3","4","7","5","2","1") = "6"
    & skf21("7","3","3","4","7","5","3","1") = "6"
    & skf21("7","3","3","4","7","5","4","1") = "6"
    & skf21("7","3","3","4","7","5","5","1") = "6"
    & skf21("7","3","3","4","7","5","6","1") = "6"
    & skf21("7","3","3","4","7","5","7","1") = "6"
    & skf21("7","3","3","4","7","6","1","1") = "6"
    & skf21("7","3","3","4","7","6","2","1") = "6"
    & skf21("7","3","3","4","7","6","3","1") = "6"
    & skf21("7","3","3","4","7","6","4","1") = "6"
    & skf21("7","3","3","4","7","6","5","1") = "6"
    & skf21("7","3","3","4","7","6","6","1") = "6"
    & skf21("7","3","3","4","7","6","7","1") = "6"
    & skf21("7","3","3","4","7","7","1","1") = "6"
    & skf21("7","3","3","4","7","7","2","1") = "6"
    & skf21("7","3","3","4","7","7","3","1") = "6"
    & skf21("7","3","3","4","7","7","4","1") = "6"
    & skf21("7","3","3","4","7","7","5","1") = "6"
    & skf21("7","3","3","4","7","7","6","1") = "6"
    & skf21("7","3","3","4","7","7","7","1") = "6"
    & skf21("7","3","3","5","1","1","1","1") = "6"
    & skf21("7","3","3","5","1","1","2","1") = "6"
    & skf21("7","3","3","5","1","1","3","1") = "6"
    & skf21("7","3","3","5","1","1","4","1") = "6"
    & skf21("7","3","3","5","1","1","5","1") = "6"
    & skf21("7","3","3","5","1","1","6","1") = "6"
    & skf21("7","3","3","5","1","1","7","1") = "6"
    & skf21("7","3","3","5","1","2","1","1") = "6"
    & skf21("7","3","3","5","1","2","2","1") = "6"
    & skf21("7","3","3","5","1","2","3","1") = "6"
    & skf21("7","3","3","5","1","2","4","1") = "6"
    & skf21("7","3","3","5","1","2","5","1") = "6"
    & skf21("7","3","3","5","1","2","6","1") = "6"
    & skf21("7","3","3","5","1","2","7","1") = "6"
    & skf21("7","3","3","5","1","3","1","1") = "6"
    & skf21("7","3","3","5","1","3","2","1") = "6"
    & skf21("7","3","3","5","1","3","3","1") = "6"
    & skf21("7","3","3","5","1","3","4","1") = "6"
    & skf21("7","3","3","5","1","3","5","1") = "6"
    & skf21("7","3","3","5","1","3","6","1") = "6"
    & skf21("7","3","3","5","1","3","7","1") = "6"
    & skf21("7","3","3","5","1","4","1","1") = "6"
    & skf21("7","3","3","5","1","4","2","1") = "6"
    & skf21("7","3","3","5","1","4","3","1") = "6"
    & skf21("7","3","3","5","1","4","4","1") = "6"
    & skf21("7","3","3","5","1","4","5","1") = "6"
    & skf21("7","3","3","5","1","4","6","1") = "6"
    & skf21("7","3","3","5","1","4","7","1") = "6"
    & skf21("7","3","3","5","1","5","1","1") = "6"
    & skf21("7","3","3","5","1","5","2","1") = "6"
    & skf21("7","3","3","5","1","5","3","1") = "6"
    & skf21("7","3","3","5","1","5","4","1") = "6"
    & skf21("7","3","3","5","1","5","5","1") = "6"
    & skf21("7","3","3","5","1","5","6","1") = "6"
    & skf21("7","3","3","5","1","5","7","1") = "6"
    & skf21("7","3","3","5","1","6","1","1") = "6"
    & skf21("7","3","3","5","1","6","2","1") = "6"
    & skf21("7","3","3","5","1","6","3","1") = "6"
    & skf21("7","3","3","5","1","6","4","1") = "6"
    & skf21("7","3","3","5","1","6","5","1") = "6"
    & skf21("7","3","3","5","1","6","6","1") = "6"
    & skf21("7","3","3","5","1","6","7","1") = "6"
    & skf21("7","3","3","5","1","7","1","1") = "6"
    & skf21("7","3","3","5","1","7","2","1") = "6"
    & skf21("7","3","3","5","1","7","3","1") = "6"
    & skf21("7","3","3","5","1","7","4","1") = "6"
    & skf21("7","3","3","5","1","7","5","1") = "6"
    & skf21("7","3","3","5","1","7","6","1") = "6"
    & skf21("7","3","3","5","1","7","7","1") = "6"
    & skf21("7","3","3","5","2","1","1","1") = "6"
    & skf21("7","3","3","5","2","1","2","1") = "6"
    & skf21("7","3","3","5","2","1","3","1") = "6"
    & skf21("7","3","3","5","2","1","4","1") = "6"
    & skf21("7","3","3","5","2","1","5","1") = "6"
    & skf21("7","3","3","5","2","1","6","1") = "6"
    & skf21("7","3","3","5","2","1","7","1") = "6"
    & skf21("7","3","3","5","2","2","1","1") = "6"
    & skf21("7","3","3","5","2","2","2","1") = "6"
    & skf21("7","3","3","5","2","2","3","1") = "6"
    & skf21("7","3","3","5","2","2","4","1") = "6"
    & skf21("7","3","3","5","2","2","5","1") = "6"
    & skf21("7","3","3","5","2","2","6","1") = "6"
    & skf21("7","3","3","5","2","2","7","1") = "6"
    & skf21("7","3","3","5","2","3","1","1") = "6"
    & skf21("7","3","3","5","2","3","2","1") = "6"
    & skf21("7","3","3","5","2","3","3","1") = "6"
    & skf21("7","3","3","5","2","3","4","1") = "6"
    & skf21("7","3","3","5","2","3","5","1") = "6"
    & skf21("7","3","3","5","2","3","6","1") = "6"
    & skf21("7","3","3","5","2","3","7","1") = "6"
    & skf21("7","3","3","5","2","4","1","1") = "6"
    & skf21("7","3","3","5","2","4","2","1") = "6"
    & skf21("7","3","3","5","2","4","3","1") = "6"
    & skf21("7","3","3","5","2","4","4","1") = "6"
    & skf21("7","3","3","5","2","4","5","1") = "6"
    & skf21("7","3","3","5","2","4","6","1") = "6"
    & skf21("7","3","3","5","2","4","7","1") = "6"
    & skf21("7","3","3","5","2","5","1","1") = "6"
    & skf21("7","3","3","5","2","5","2","1") = "6"
    & skf21("7","3","3","5","2","5","3","1") = "6"
    & skf21("7","3","3","5","2","5","4","1") = "6"
    & skf21("7","3","3","5","2","5","5","1") = "6"
    & skf21("7","3","3","5","2","5","6","1") = "6"
    & skf21("7","3","3","5","2","5","7","1") = "6"
    & skf21("7","3","3","5","2","6","1","1") = "6"
    & skf21("7","3","3","5","2","6","2","1") = "6"
    & skf21("7","3","3","5","2","6","3","1") = "6"
    & skf21("7","3","3","5","2","6","4","1") = "6"
    & skf21("7","3","3","5","2","6","5","1") = "6"
    & skf21("7","3","3","5","2","6","6","1") = "6"
    & skf21("7","3","3","5","2","6","7","1") = "6"
    & skf21("7","3","3","5","2","7","1","1") = "6"
    & skf21("7","3","3","5","2","7","2","1") = "6"
    & skf21("7","3","3","5","2","7","3","1") = "6"
    & skf21("7","3","3","5","2","7","4","1") = "6"
    & skf21("7","3","3","5","2","7","5","1") = "6"
    & skf21("7","3","3","5","2","7","6","1") = "6"
    & skf21("7","3","3","5","2","7","7","1") = "6"
    & skf21("7","3","3","5","3","1","1","1") = "6"
    & skf21("7","3","3","5","3","1","2","1") = "6"
    & skf21("7","3","3","5","3","1","3","1") = "6"
    & skf21("7","3","3","5","3","1","4","1") = "6"
    & skf21("7","3","3","5","3","1","5","1") = "6"
    & skf21("7","3","3","5","3","1","6","1") = "6"
    & skf21("7","3","3","5","3","1","7","1") = "6"
    & skf21("7","3","3","5","3","2","1","1") = "6"
    & skf21("7","3","3","5","3","2","2","1") = "6"
    & skf21("7","3","3","5","3","2","3","1") = "6"
    & skf21("7","3","3","5","3","2","4","1") = "6"
    & skf21("7","3","3","5","3","2","5","1") = "6"
    & skf21("7","3","3","5","3","2","6","1") = "6"
    & skf21("7","3","3","5","3","2","7","1") = "6"
    & skf21("7","3","3","5","3","3","1","1") = "6"
    & skf21("7","3","3","5","3","3","2","1") = "6"
    & skf21("7","3","3","5","3","3","3","1") = "6"
    & skf21("7","3","3","5","3","3","4","1") = "6"
    & skf21("7","3","3","5","3","3","5","1") = "6"
    & skf21("7","3","3","5","3","3","6","1") = "6"
    & skf21("7","3","3","5","3","3","7","1") = "6"
    & skf21("7","3","3","5","3","4","1","1") = "6"
    & skf21("7","3","3","5","3","4","2","1") = "6"
    & skf21("7","3","3","5","3","4","3","1") = "6"
    & skf21("7","3","3","5","3","4","4","1") = "6"
    & skf21("7","3","3","5","3","4","5","1") = "6"
    & skf21("7","3","3","5","3","4","6","1") = "6"
    & skf21("7","3","3","5","3","4","7","1") = "6"
    & skf21("7","3","3","5","3","5","1","1") = "6"
    & skf21("7","3","3","5","3","5","2","1") = "6"
    & skf21("7","3","3","5","3","5","3","1") = "6"
    & skf21("7","3","3","5","3","5","4","1") = "6"
    & skf21("7","3","3","5","3","5","5","1") = "6"
    & skf21("7","3","3","5","3","5","6","1") = "6"
    & skf21("7","3","3","5","3","5","7","1") = "6"
    & skf21("7","3","3","5","3","6","1","1") = "6"
    & skf21("7","3","3","5","3","6","2","1") = "6"
    & skf21("7","3","3","5","3","6","3","1") = "6"
    & skf21("7","3","3","5","3","6","4","1") = "6"
    & skf21("7","3","3","5","3","6","5","1") = "6"
    & skf21("7","3","3","5","3","6","6","1") = "6"
    & skf21("7","3","3","5","3","6","7","1") = "6"
    & skf21("7","3","3","5","3","7","1","1") = "6"
    & skf21("7","3","3","5","3","7","2","1") = "6"
    & skf21("7","3","3","5","3","7","3","1") = "6"
    & skf21("7","3","3","5","3","7","4","1") = "6"
    & skf21("7","3","3","5","3","7","5","1") = "6"
    & skf21("7","3","3","5","3","7","6","1") = "6"
    & skf21("7","3","3","5","3","7","7","1") = "6"
    & skf21("7","3","3","5","4","1","1","1") = "6"
    & skf21("7","3","3","5","4","1","2","1") = "6"
    & skf21("7","3","3","5","4","1","3","1") = "6"
    & skf21("7","3","3","5","4","1","4","1") = "6"
    & skf21("7","3","3","5","4","1","5","1") = "6"
    & skf21("7","3","3","5","4","1","6","1") = "6"
    & skf21("7","3","3","5","4","1","7","1") = "6"
    & skf21("7","3","3","5","4","2","1","1") = "6"
    & skf21("7","3","3","5","4","2","2","1") = "6"
    & skf21("7","3","3","5","4","2","3","1") = "6"
    & skf21("7","3","3","5","4","2","4","1") = "6"
    & skf21("7","3","3","5","4","2","5","1") = "6"
    & skf21("7","3","3","5","4","2","6","1") = "6"
    & skf21("7","3","3","5","4","2","7","1") = "6"
    & skf21("7","3","3","5","4","3","1","1") = "6"
    & skf21("7","3","3","5","4","3","2","1") = "6"
    & skf21("7","3","3","5","4","3","3","1") = "6"
    & skf21("7","3","3","5","4","3","4","1") = "6"
    & skf21("7","3","3","5","4","3","5","1") = "6"
    & skf21("7","3","3","5","4","3","6","1") = "6"
    & skf21("7","3","3","5","4","3","7","1") = "6"
    & skf21("7","3","3","5","4","4","1","1") = "6"
    & skf21("7","3","3","5","4","4","2","1") = "6"
    & skf21("7","3","3","5","4","4","3","1") = "6"
    & skf21("7","3","3","5","4","4","4","1") = "6"
    & skf21("7","3","3","5","4","4","5","1") = "6"
    & skf21("7","3","3","5","4","4","6","1") = "6"
    & skf21("7","3","3","5","4","4","7","1") = "6"
    & skf21("7","3","3","5","4","5","1","1") = "6"
    & skf21("7","3","3","5","4","5","2","1") = "6"
    & skf21("7","3","3","5","4","5","3","1") = "6"
    & skf21("7","3","3","5","4","5","4","1") = "6"
    & skf21("7","3","3","5","4","5","5","1") = "6"
    & skf21("7","3","3","5","4","5","6","1") = "6"
    & skf21("7","3","3","5","4","5","7","1") = "6"
    & skf21("7","3","3","5","4","6","1","1") = "6"
    & skf21("7","3","3","5","4","6","2","1") = "6"
    & skf21("7","3","3","5","4","6","3","1") = "6"
    & skf21("7","3","3","5","4","6","4","1") = "6"
    & skf21("7","3","3","5","4","6","5","1") = "6"
    & skf21("7","3","3","5","4","6","6","1") = "6"
    & skf21("7","3","3","5","4","6","7","1") = "6"
    & skf21("7","3","3","5","4","7","1","1") = "6"
    & skf21("7","3","3","5","4","7","2","1") = "6"
    & skf21("7","3","3","5","4","7","3","1") = "6"
    & skf21("7","3","3","5","4","7","4","1") = "6"
    & skf21("7","3","3","5","4","7","5","1") = "6"
    & skf21("7","3","3","5","4","7","6","1") = "6"
    & skf21("7","3","3","5","4","7","7","1") = "6"
    & skf21("7","3","3","5","5","1","1","1") = "6"
    & skf21("7","3","3","5","5","1","2","1") = "6"
    & skf21("7","3","3","5","5","1","3","1") = "6"
    & skf21("7","3","3","5","5","1","4","1") = "6"
    & skf21("7","3","3","5","5","1","5","1") = "6"
    & skf21("7","3","3","5","5","1","6","1") = "6"
    & skf21("7","3","3","5","5","1","7","1") = "6"
    & skf21("7","3","3","5","5","2","1","1") = "6"
    & skf21("7","3","3","5","5","2","2","1") = "6"
    & skf21("7","3","3","5","5","2","3","1") = "6"
    & skf21("7","3","3","5","5","2","4","1") = "6"
    & skf21("7","3","3","5","5","2","5","1") = "6"
    & skf21("7","3","3","5","5","2","6","1") = "6"
    & skf21("7","3","3","5","5","2","7","1") = "6"
    & skf21("7","3","3","5","5","3","1","1") = "6"
    & skf21("7","3","3","5","5","3","2","1") = "6"
    & skf21("7","3","3","5","5","3","3","1") = "6"
    & skf21("7","3","3","5","5","3","4","1") = "6"
    & skf21("7","3","3","5","5","3","5","1") = "6"
    & skf21("7","3","3","5","5","3","6","1") = "6"
    & skf21("7","3","3","5","5","3","7","1") = "6"
    & skf21("7","3","3","5","5","4","1","1") = "6"
    & skf21("7","3","3","5","5","4","2","1") = "6"
    & skf21("7","3","3","5","5","4","3","1") = "6"
    & skf21("7","3","3","5","5","4","4","1") = "6"
    & skf21("7","3","3","5","5","4","5","1") = "6"
    & skf21("7","3","3","5","5","4","6","1") = "6"
    & skf21("7","3","3","5","5","4","7","1") = "6"
    & skf21("7","3","3","5","5","5","1","1") = "6"
    & skf21("7","3","3","5","5","5","2","1") = "6"
    & skf21("7","3","3","5","5","5","3","1") = "6"
    & skf21("7","3","3","5","5","5","4","1") = "6"
    & skf21("7","3","3","5","5","5","5","1") = "6"
    & skf21("7","3","3","5","5","5","6","1") = "6"
    & skf21("7","3","3","5","5","5","7","1") = "6"
    & skf21("7","3","3","5","5","6","1","1") = "6"
    & skf21("7","3","3","5","5","6","2","1") = "6"
    & skf21("7","3","3","5","5","6","3","1") = "6"
    & skf21("7","3","3","5","5","6","4","1") = "6"
    & skf21("7","3","3","5","5","6","5","1") = "6"
    & skf21("7","3","3","5","5","6","6","1") = "6"
    & skf21("7","3","3","5","5","6","7","1") = "6"
    & skf21("7","3","3","5","5","7","1","1") = "6"
    & skf21("7","3","3","5","5","7","2","1") = "6"
    & skf21("7","3","3","5","5","7","3","1") = "6"
    & skf21("7","3","3","5","5","7","4","1") = "6"
    & skf21("7","3","3","5","5","7","5","1") = "6"
    & skf21("7","3","3","5","5","7","6","1") = "6"
    & skf21("7","3","3","5","5","7","7","1") = "6"
    & skf21("7","3","3","5","6","1","1","1") = "6"
    & skf21("7","3","3","5","6","1","2","1") = "6"
    & skf21("7","3","3","5","6","1","3","1") = "6"
    & skf21("7","3","3","5","6","1","4","1") = "6"
    & skf21("7","3","3","5","6","1","5","1") = "6"
    & skf21("7","3","3","5","6","1","6","1") = "6"
    & skf21("7","3","3","5","6","1","7","1") = "6"
    & skf21("7","3","3","5","6","2","1","1") = "6"
    & skf21("7","3","3","5","6","2","2","1") = "6"
    & skf21("7","3","3","5","6","2","3","1") = "6"
    & skf21("7","3","3","5","6","2","4","1") = "6"
    & skf21("7","3","3","5","6","2","5","1") = "6"
    & skf21("7","3","3","5","6","2","6","1") = "6"
    & skf21("7","3","3","5","6","2","7","1") = "6"
    & skf21("7","3","3","5","6","3","1","1") = "6"
    & skf21("7","3","3","5","6","3","2","1") = "6"
    & skf21("7","3","3","5","6","3","3","1") = "6"
    & skf21("7","3","3","5","6","3","4","1") = "6"
    & skf21("7","3","3","5","6","3","5","1") = "6"
    & skf21("7","3","3","5","6","3","6","1") = "6"
    & skf21("7","3","3","5","6","3","7","1") = "6"
    & skf21("7","3","3","5","6","4","1","1") = "6"
    & skf21("7","3","3","5","6","4","2","1") = "6"
    & skf21("7","3","3","5","6","4","3","1") = "6"
    & skf21("7","3","3","5","6","4","4","1") = "6"
    & skf21("7","3","3","5","6","4","5","1") = "6"
    & skf21("7","3","3","5","6","4","6","1") = "6"
    & skf21("7","3","3","5","6","4","7","1") = "6"
    & skf21("7","3","3","5","6","5","1","1") = "6"
    & skf21("7","3","3","5","6","5","2","1") = "6"
    & skf21("7","3","3","5","6","5","3","1") = "6"
    & skf21("7","3","3","5","6","5","4","1") = "6"
    & skf21("7","3","3","5","6","5","5","1") = "6"
    & skf21("7","3","3","5","6","5","6","1") = "6"
    & skf21("7","3","3","5","6","5","7","1") = "6"
    & skf21("7","3","3","5","6","6","1","1") = "6"
    & skf21("7","3","3","5","6","6","2","1") = "6"
    & skf21("7","3","3","5","6","6","3","1") = "6"
    & skf21("7","3","3","5","6","6","4","1") = "6"
    & skf21("7","3","3","5","6","6","5","1") = "6"
    & skf21("7","3","3","5","6","6","6","1") = "6"
    & skf21("7","3","3","5","6","6","7","1") = "6"
    & skf21("7","3","3","5","6","7","1","1") = "6"
    & skf21("7","3","3","5","6","7","2","1") = "6"
    & skf21("7","3","3","5","6","7","3","1") = "6"
    & skf21("7","3","3","5","6","7","4","1") = "6"
    & skf21("7","3","3","5","6","7","5","1") = "6"
    & skf21("7","3","3","5","6","7","6","1") = "6"
    & skf21("7","3","3","5","6","7","7","1") = "6"
    & skf21("7","3","3","5","7","1","1","1") = "6"
    & skf21("7","3","3","5","7","1","2","1") = "6"
    & skf21("7","3","3","5","7","1","3","1") = "6"
    & skf21("7","3","3","5","7","1","4","1") = "6"
    & skf21("7","3","3","5","7","1","5","1") = "6"
    & skf21("7","3","3","5","7","1","6","1") = "6"
    & skf21("7","3","3","5","7","1","7","1") = "6"
    & skf21("7","3","3","5","7","2","1","1") = "6"
    & skf21("7","3","3","5","7","2","2","1") = "6"
    & skf21("7","3","3","5","7","2","3","1") = "6"
    & skf21("7","3","3","5","7","2","4","1") = "6"
    & skf21("7","3","3","5","7","2","5","1") = "6"
    & skf21("7","3","3","5","7","2","6","1") = "6"
    & skf21("7","3","3","5","7","2","7","1") = "6"
    & skf21("7","3","3","5","7","3","1","1") = "6"
    & skf21("7","3","3","5","7","3","2","1") = "6"
    & skf21("7","3","3","5","7","3","3","1") = "6"
    & skf21("7","3","3","5","7","3","4","1") = "6"
    & skf21("7","3","3","5","7","3","5","1") = "6"
    & skf21("7","3","3","5","7","3","6","1") = "6"
    & skf21("7","3","3","5","7","3","7","1") = "6"
    & skf21("7","3","3","5","7","4","1","1") = "6"
    & skf21("7","3","3","5","7","4","2","1") = "6"
    & skf21("7","3","3","5","7","4","3","1") = "6"
    & skf21("7","3","3","5","7","4","4","1") = "6"
    & skf21("7","3","3","5","7","4","5","1") = "6"
    & skf21("7","3","3","5","7","4","6","1") = "6"
    & skf21("7","3","3","5","7","4","7","1") = "6"
    & skf21("7","3","3","5","7","5","1","1") = "6"
    & skf21("7","3","3","5","7","5","2","1") = "6"
    & skf21("7","3","3","5","7","5","3","1") = "6"
    & skf21("7","3","3","5","7","5","4","1") = "6"
    & skf21("7","3","3","5","7","5","5","1") = "6"
    & skf21("7","3","3","5","7","5","6","1") = "6"
    & skf21("7","3","3","5","7","5","7","1") = "6"
    & skf21("7","3","3","5","7","6","1","1") = "6"
    & skf21("7","3","3","5","7","6","2","1") = "6"
    & skf21("7","3","3","5","7","6","3","1") = "6"
    & skf21("7","3","3","5","7","6","4","1") = "6"
    & skf21("7","3","3","5","7","6","5","1") = "6"
    & skf21("7","3","3","5","7","6","6","1") = "6"
    & skf21("7","3","3","5","7","6","7","1") = "6"
    & skf21("7","3","3","5","7","7","1","1") = "6"
    & skf21("7","3","3","5","7","7","2","1") = "6"
    & skf21("7","3","3","5","7","7","3","1") = "6"
    & skf21("7","3","3","5","7","7","4","1") = "6"
    & skf21("7","3","3","5","7","7","5","1") = "6"
    & skf21("7","3","3","5","7","7","6","1") = "6"
    & skf21("7","3","3","5","7","7","7","1") = "6"
    & skf21("7","3","3","6","1","1","1","1") = "6"
    & skf21("7","3","3","6","1","1","2","1") = "6"
    & skf21("7","3","3","6","1","1","3","1") = "6"
    & skf21("7","3","3","6","1","1","4","1") = "6"
    & skf21("7","3","3","6","1","1","5","1") = "6"
    & skf21("7","3","3","6","1","1","6","1") = "6"
    & skf21("7","3","3","6","1","1","7","1") = "6"
    & skf21("7","3","3","6","1","2","1","1") = "6"
    & skf21("7","3","3","6","1","2","2","1") = "6"
    & skf21("7","3","3","6","1","2","3","1") = "6"
    & skf21("7","3","3","6","1","2","4","1") = "6"
    & skf21("7","3","3","6","1","2","5","1") = "6"
    & skf21("7","3","3","6","1","2","6","1") = "6"
    & skf21("7","3","3","6","1","2","7","1") = "6"
    & skf21("7","3","3","6","1","3","1","1") = "6"
    & skf21("7","3","3","6","1","3","2","1") = "6"
    & skf21("7","3","3","6","1","3","3","1") = "6"
    & skf21("7","3","3","6","1","3","4","1") = "6"
    & skf21("7","3","3","6","1","3","5","1") = "6"
    & skf21("7","3","3","6","1","3","6","1") = "6"
    & skf21("7","3","3","6","1","3","7","1") = "6"
    & skf21("7","3","3","6","1","4","1","1") = "6"
    & skf21("7","3","3","6","1","4","2","1") = "6"
    & skf21("7","3","3","6","1","4","3","1") = "6"
    & skf21("7","3","3","6","1","4","4","1") = "6"
    & skf21("7","3","3","6","1","4","5","1") = "6"
    & skf21("7","3","3","6","1","4","6","1") = "6"
    & skf21("7","3","3","6","1","4","7","1") = "6"
    & skf21("7","3","3","6","1","5","1","1") = "6"
    & skf21("7","3","3","6","1","5","2","1") = "6"
    & skf21("7","3","3","6","1","5","3","1") = "6"
    & skf21("7","3","3","6","1","5","4","1") = "6"
    & skf21("7","3","3","6","1","5","5","1") = "6"
    & skf21("7","3","3","6","1","5","6","1") = "6"
    & skf21("7","3","3","6","1","5","7","1") = "6"
    & skf21("7","3","3","6","1","6","1","1") = "6"
    & skf21("7","3","3","6","1","6","2","1") = "6"
    & skf21("7","3","3","6","1","6","3","1") = "6"
    & skf21("7","3","3","6","1","6","4","1") = "6"
    & skf21("7","3","3","6","1","6","5","1") = "6"
    & skf21("7","3","3","6","1","6","6","1") = "6"
    & skf21("7","3","3","6","1","6","7","1") = "6"
    & skf21("7","3","3","6","1","7","1","1") = "6"
    & skf21("7","3","3","6","1","7","2","1") = "6"
    & skf21("7","3","3","6","1","7","3","1") = "6"
    & skf21("7","3","3","6","1","7","4","1") = "6"
    & skf21("7","3","3","6","1","7","5","1") = "6"
    & skf21("7","3","3","6","1","7","6","1") = "6"
    & skf21("7","3","3","6","1","7","7","1") = "6"
    & skf21("7","3","3","6","2","1","1","1") = "6"
    & skf21("7","3","3","6","2","1","2","1") = "6"
    & skf21("7","3","3","6","2","1","3","1") = "6"
    & skf21("7","3","3","6","2","1","4","1") = "6"
    & skf21("7","3","3","6","2","1","5","1") = "6"
    & skf21("7","3","3","6","2","1","6","1") = "6"
    & skf21("7","3","3","6","2","1","7","1") = "6"
    & skf21("7","3","3","6","2","2","1","1") = "6"
    & skf21("7","3","3","6","2","2","2","1") = "6"
    & skf21("7","3","3","6","2","2","3","1") = "6"
    & skf21("7","3","3","6","2","2","4","1") = "6"
    & skf21("7","3","3","6","2","2","5","1") = "6"
    & skf21("7","3","3","6","2","2","6","1") = "6"
    & skf21("7","3","3","6","2","2","7","1") = "6"
    & skf21("7","3","3","6","2","3","1","1") = "6"
    & skf21("7","3","3","6","2","3","2","1") = "6"
    & skf21("7","3","3","6","2","3","3","1") = "6"
    & skf21("7","3","3","6","2","3","4","1") = "6"
    & skf21("7","3","3","6","2","3","5","1") = "6"
    & skf21("7","3","3","6","2","3","6","1") = "6"
    & skf21("7","3","3","6","2","3","7","1") = "6"
    & skf21("7","3","3","6","2","4","1","1") = "6"
    & skf21("7","3","3","6","2","4","2","1") = "6"
    & skf21("7","3","3","6","2","4","3","1") = "6"
    & skf21("7","3","3","6","2","4","4","1") = "6"
    & skf21("7","3","3","6","2","4","5","1") = "6"
    & skf21("7","3","3","6","2","4","6","1") = "6"
    & skf21("7","3","3","6","2","4","7","1") = "6"
    & skf21("7","3","3","6","2","5","1","1") = "6"
    & skf21("7","3","3","6","2","5","2","1") = "6"
    & skf21("7","3","3","6","2","5","3","1") = "6"
    & skf21("7","3","3","6","2","5","4","1") = "6"
    & skf21("7","3","3","6","2","5","5","1") = "6"
    & skf21("7","3","3","6","2","5","6","1") = "6"
    & skf21("7","3","3","6","2","5","7","1") = "6"
    & skf21("7","3","3","6","2","6","1","1") = "6"
    & skf21("7","3","3","6","2","6","2","1") = "6"
    & skf21("7","3","3","6","2","6","3","1") = "6"
    & skf21("7","3","3","6","2","6","4","1") = "6"
    & skf21("7","3","3","6","2","6","5","1") = "6"
    & skf21("7","3","3","6","2","6","6","1") = "6"
    & skf21("7","3","3","6","2","6","7","1") = "6"
    & skf21("7","3","3","6","2","7","1","1") = "6"
    & skf21("7","3","3","6","2","7","2","1") = "6"
    & skf21("7","3","3","6","2","7","3","1") = "6"
    & skf21("7","3","3","6","2","7","4","1") = "6"
    & skf21("7","3","3","6","2","7","5","1") = "6"
    & skf21("7","3","3","6","2","7","6","1") = "6"
    & skf21("7","3","3","6","2","7","7","1") = "6"
    & skf21("7","3","3","6","3","1","1","1") = "6"
    & skf21("7","3","3","6","3","1","2","1") = "6"
    & skf21("7","3","3","6","3","1","3","1") = "6"
    & skf21("7","3","3","6","3","1","4","1") = "6"
    & skf21("7","3","3","6","3","1","5","1") = "6"
    & skf21("7","3","3","6","3","1","6","1") = "6"
    & skf21("7","3","3","6","3","1","7","1") = "6"
    & skf21("7","3","3","6","3","2","1","1") = "6"
    & skf21("7","3","3","6","3","2","2","1") = "6"
    & skf21("7","3","3","6","3","2","3","1") = "6"
    & skf21("7","3","3","6","3","2","4","1") = "6"
    & skf21("7","3","3","6","3","2","5","1") = "6"
    & skf21("7","3","3","6","3","2","6","1") = "6"
    & skf21("7","3","3","6","3","2","7","1") = "6"
    & skf21("7","3","3","6","3","3","1","1") = "6"
    & skf21("7","3","3","6","3","3","2","1") = "6"
    & skf21("7","3","3","6","3","3","3","1") = "6"
    & skf21("7","3","3","6","3","3","4","1") = "6"
    & skf21("7","3","3","6","3","3","5","1") = "6"
    & skf21("7","3","3","6","3","3","6","1") = "6"
    & skf21("7","3","3","6","3","3","7","1") = "6"
    & skf21("7","3","3","6","3","4","1","1") = "6"
    & skf21("7","3","3","6","3","4","2","1") = "6"
    & skf21("7","3","3","6","3","4","3","1") = "6"
    & skf21("7","3","3","6","3","4","4","1") = "6"
    & skf21("7","3","3","6","3","4","5","1") = "6"
    & skf21("7","3","3","6","3","4","6","1") = "6"
    & skf21("7","3","3","6","3","4","7","1") = "6"
    & skf21("7","3","3","6","3","5","1","1") = "6"
    & skf21("7","3","3","6","3","5","2","1") = "6"
    & skf21("7","3","3","6","3","5","3","1") = "6"
    & skf21("7","3","3","6","3","5","4","1") = "6"
    & skf21("7","3","3","6","3","5","5","1") = "6"
    & skf21("7","3","3","6","3","5","6","1") = "6"
    & skf21("7","3","3","6","3","5","7","1") = "6"
    & skf21("7","3","3","6","3","6","1","1") = "6"
    & skf21("7","3","3","6","3","6","2","1") = "6"
    & skf21("7","3","3","6","3","6","3","1") = "6"
    & skf21("7","3","3","6","3","6","4","1") = "6"
    & skf21("7","3","3","6","3","6","5","1") = "6"
    & skf21("7","3","3","6","3","6","6","1") = "6"
    & skf21("7","3","3","6","3","6","7","1") = "6"
    & skf21("7","3","3","6","3","7","1","1") = "6"
    & skf21("7","3","3","6","3","7","2","1") = "6"
    & skf21("7","3","3","6","3","7","3","1") = "6"
    & skf21("7","3","3","6","3","7","4","1") = "6"
    & skf21("7","3","3","6","3","7","5","1") = "6"
    & skf21("7","3","3","6","3","7","6","1") = "6"
    & skf21("7","3","3","6","3","7","7","1") = "6"
    & skf21("7","3","3","6","4","1","1","1") = "6"
    & skf21("7","3","3","6","4","1","2","1") = "6"
    & skf21("7","3","3","6","4","1","3","1") = "6"
    & skf21("7","3","3","6","4","1","4","1") = "6"
    & skf21("7","3","3","6","4","1","5","1") = "6"
    & skf21("7","3","3","6","4","1","6","1") = "6"
    & skf21("7","3","3","6","4","1","7","1") = "6"
    & skf21("7","3","3","6","4","2","1","1") = "6"
    & skf21("7","3","3","6","4","2","2","1") = "6"
    & skf21("7","3","3","6","4","2","3","1") = "6"
    & skf21("7","3","3","6","4","2","4","1") = "6"
    & skf21("7","3","3","6","4","2","5","1") = "6"
    & skf21("7","3","3","6","4","2","6","1") = "6"
    & skf21("7","3","3","6","4","2","7","1") = "6"
    & skf21("7","3","3","6","4","3","1","1") = "6"
    & skf21("7","3","3","6","4","3","2","1") = "6"
    & skf21("7","3","3","6","4","3","3","1") = "6"
    & skf21("7","3","3","6","4","3","4","1") = "6"
    & skf21("7","3","3","6","4","3","5","1") = "6"
    & skf21("7","3","3","6","4","3","6","1") = "6"
    & skf21("7","3","3","6","4","3","7","1") = "6"
    & skf21("7","3","3","6","4","4","1","1") = "6"
    & skf21("7","3","3","6","4","4","2","1") = "6"
    & skf21("7","3","3","6","4","4","3","1") = "6"
    & skf21("7","3","3","6","4","4","4","1") = "6"
    & skf21("7","3","3","6","4","4","5","1") = "6"
    & skf21("7","3","3","6","4","4","6","1") = "6"
    & skf21("7","3","3","6","4","4","7","1") = "6"
    & skf21("7","3","3","6","4","5","1","1") = "6"
    & skf21("7","3","3","6","4","5","2","1") = "6"
    & skf21("7","3","3","6","4","5","3","1") = "6"
    & skf21("7","3","3","6","4","5","4","1") = "6"
    & skf21("7","3","3","6","4","5","5","1") = "6"
    & skf21("7","3","3","6","4","5","6","1") = "6"
    & skf21("7","3","3","6","4","5","7","1") = "6"
    & skf21("7","3","3","6","4","6","1","1") = "6"
    & skf21("7","3","3","6","4","6","2","1") = "6"
    & skf21("7","3","3","6","4","6","3","1") = "6"
    & skf21("7","3","3","6","4","6","4","1") = "6"
    & skf21("7","3","3","6","4","6","5","1") = "6"
    & skf21("7","3","3","6","4","6","6","1") = "6"
    & skf21("7","3","3","6","4","6","7","1") = "6"
    & skf21("7","3","3","6","4","7","1","1") = "6"
    & skf21("7","3","3","6","4","7","2","1") = "6"
    & skf21("7","3","3","6","4","7","3","1") = "6"
    & skf21("7","3","3","6","4","7","4","1") = "6"
    & skf21("7","3","3","6","4","7","5","1") = "6"
    & skf21("7","3","3","6","4","7","6","1") = "6"
    & skf21("7","3","3","6","4","7","7","1") = "6"
    & skf21("7","3","3","6","5","1","1","1") = "6"
    & skf21("7","3","3","6","5","1","2","1") = "6"
    & skf21("7","3","3","6","5","1","3","1") = "6"
    & skf21("7","3","3","6","5","1","4","1") = "6"
    & skf21("7","3","3","6","5","1","5","1") = "6"
    & skf21("7","3","3","6","5","1","6","1") = "6"
    & skf21("7","3","3","6","5","1","7","1") = "6"
    & skf21("7","3","3","6","5","2","1","1") = "6"
    & skf21("7","3","3","6","5","2","2","1") = "6"
    & skf21("7","3","3","6","5","2","3","1") = "6"
    & skf21("7","3","3","6","5","2","4","1") = "6"
    & skf21("7","3","3","6","5","2","5","1") = "6"
    & skf21("7","3","3","6","5","2","6","1") = "6"
    & skf21("7","3","3","6","5","2","7","1") = "6"
    & skf21("7","3","3","6","5","3","1","1") = "6"
    & skf21("7","3","3","6","5","3","2","1") = "6"
    & skf21("7","3","3","6","5","3","3","1") = "6"
    & skf21("7","3","3","6","5","3","4","1") = "6"
    & skf21("7","3","3","6","5","3","5","1") = "6"
    & skf21("7","3","3","6","5","3","6","1") = "6"
    & skf21("7","3","3","6","5","3","7","1") = "6"
    & skf21("7","3","3","6","5","4","1","1") = "6"
    & skf21("7","3","3","6","5","4","2","1") = "6"
    & skf21("7","3","3","6","5","4","3","1") = "6"
    & skf21("7","3","3","6","5","4","4","1") = "6"
    & skf21("7","3","3","6","5","4","5","1") = "6"
    & skf21("7","3","3","6","5","4","6","1") = "6"
    & skf21("7","3","3","6","5","4","7","1") = "6"
    & skf21("7","3","3","6","5","5","1","1") = "6"
    & skf21("7","3","3","6","5","5","2","1") = "6"
    & skf21("7","3","3","6","5","5","3","1") = "6"
    & skf21("7","3","3","6","5","5","4","1") = "6"
    & skf21("7","3","3","6","5","5","5","1") = "6"
    & skf21("7","3","3","6","5","5","6","1") = "6"
    & skf21("7","3","3","6","5","5","7","1") = "6"
    & skf21("7","3","3","6","5","6","1","1") = "6"
    & skf21("7","3","3","6","5","6","2","1") = "6"
    & skf21("7","3","3","6","5","6","3","1") = "6"
    & skf21("7","3","3","6","5","6","4","1") = "6"
    & skf21("7","3","3","6","5","6","5","1") = "6"
    & skf21("7","3","3","6","5","6","6","1") = "6"
    & skf21("7","3","3","6","5","6","7","1") = "6"
    & skf21("7","3","3","6","5","7","1","1") = "6"
    & skf21("7","3","3","6","5","7","2","1") = "6"
    & skf21("7","3","3","6","5","7","3","1") = "6"
    & skf21("7","3","3","6","5","7","4","1") = "6"
    & skf21("7","3","3","6","5","7","5","1") = "6"
    & skf21("7","3","3","6","5","7","6","1") = "6"
    & skf21("7","3","3","6","5","7","7","1") = "6"
    & skf21("7","3","3","6","6","1","1","1") = "6"
    & skf21("7","3","3","6","6","1","2","1") = "6"
    & skf21("7","3","3","6","6","1","3","1") = "6"
    & skf21("7","3","3","6","6","1","4","1") = "6"
    & skf21("7","3","3","6","6","1","5","1") = "6"
    & skf21("7","3","3","6","6","1","6","1") = "6"
    & skf21("7","3","3","6","6","1","7","1") = "6"
    & skf21("7","3","3","6","6","2","1","1") = "6"
    & skf21("7","3","3","6","6","2","2","1") = "6"
    & skf21("7","3","3","6","6","2","3","1") = "6"
    & skf21("7","3","3","6","6","2","4","1") = "6"
    & skf21("7","3","3","6","6","2","5","1") = "6"
    & skf21("7","3","3","6","6","2","6","1") = "6"
    & skf21("7","3","3","6","6","2","7","1") = "6"
    & skf21("7","3","3","6","6","3","1","1") = "6"
    & skf21("7","3","3","6","6","3","2","1") = "6"
    & skf21("7","3","3","6","6","3","3","1") = "6"
    & skf21("7","3","3","6","6","3","4","1") = "6"
    & skf21("7","3","3","6","6","3","5","1") = "6"
    & skf21("7","3","3","6","6","3","6","1") = "6"
    & skf21("7","3","3","6","6","3","7","1") = "6"
    & skf21("7","3","3","6","6","4","1","1") = "6"
    & skf21("7","3","3","6","6","4","2","1") = "6"
    & skf21("7","3","3","6","6","4","3","1") = "6"
    & skf21("7","3","3","6","6","4","4","1") = "6"
    & skf21("7","3","3","6","6","4","5","1") = "6"
    & skf21("7","3","3","6","6","4","6","1") = "6"
    & skf21("7","3","3","6","6","4","7","1") = "6"
    & skf21("7","3","3","6","6","5","1","1") = "6"
    & skf21("7","3","3","6","6","5","2","1") = "6"
    & skf21("7","3","3","6","6","5","3","1") = "6"
    & skf21("7","3","3","6","6","5","4","1") = "6"
    & skf21("7","3","3","6","6","5","5","1") = "6"
    & skf21("7","3","3","6","6","5","6","1") = "6"
    & skf21("7","3","3","6","6","5","7","1") = "6"
    & skf21("7","3","3","6","6","6","1","1") = "6"
    & skf21("7","3","3","6","6","6","2","1") = "6"
    & skf21("7","3","3","6","6","6","3","1") = "6"
    & skf21("7","3","3","6","6","6","4","1") = "6"
    & skf21("7","3","3","6","6","6","5","1") = "6"
    & skf21("7","3","3","6","6","6","6","1") = "6"
    & skf21("7","3","3","6","6","6","7","1") = "6"
    & skf21("7","3","3","6","6","7","1","1") = "6"
    & skf21("7","3","3","6","6","7","2","1") = "6"
    & skf21("7","3","3","6","6","7","3","1") = "6"
    & skf21("7","3","3","6","6","7","4","1") = "6"
    & skf21("7","3","3","6","6","7","5","1") = "6"
    & skf21("7","3","3","6","6","7","6","1") = "6"
    & skf21("7","3","3","6","6","7","7","1") = "6"
    & skf21("7","3","3","6","7","1","1","1") = "6"
    & skf21("7","3","3","6","7","1","2","1") = "6"
    & skf21("7","3","3","6","7","1","3","1") = "6"
    & skf21("7","3","3","6","7","1","4","1") = "6"
    & skf21("7","3","3","6","7","1","5","1") = "6"
    & skf21("7","3","3","6","7","1","6","1") = "6"
    & skf21("7","3","3","6","7","1","7","1") = "6"
    & skf21("7","3","3","6","7","2","1","1") = "6"
    & skf21("7","3","3","6","7","2","2","1") = "6"
    & skf21("7","3","3","6","7","2","3","1") = "6"
    & skf21("7","3","3","6","7","2","4","1") = "6"
    & skf21("7","3","3","6","7","2","5","1") = "6"
    & skf21("7","3","3","6","7","2","6","1") = "6"
    & skf21("7","3","3","6","7","2","7","1") = "6"
    & skf21("7","3","3","6","7","3","1","1") = "6"
    & skf21("7","3","3","6","7","3","2","1") = "6"
    & skf21("7","3","3","6","7","3","3","1") = "6"
    & skf21("7","3","3","6","7","3","4","1") = "6"
    & skf21("7","3","3","6","7","3","5","1") = "6"
    & skf21("7","3","3","6","7","3","6","1") = "6"
    & skf21("7","3","3","6","7","3","7","1") = "6"
    & skf21("7","3","3","6","7","4","1","1") = "6"
    & skf21("7","3","3","6","7","4","2","1") = "6"
    & skf21("7","3","3","6","7","4","3","1") = "6"
    & skf21("7","3","3","6","7","4","4","1") = "6"
    & skf21("7","3","3","6","7","4","5","1") = "6"
    & skf21("7","3","3","6","7","4","6","1") = "6"
    & skf21("7","3","3","6","7","4","7","1") = "6"
    & skf21("7","3","3","6","7","5","1","1") = "6"
    & skf21("7","3","3","6","7","5","2","1") = "6"
    & skf21("7","3","3","6","7","5","3","1") = "6"
    & skf21("7","3","3","6","7","5","4","1") = "6"
    & skf21("7","3","3","6","7","5","5","1") = "6"
    & skf21("7","3","3","6","7","5","6","1") = "6"
    & skf21("7","3","3","6","7","5","7","1") = "6"
    & skf21("7","3","3","6","7","6","1","1") = "6"
    & skf21("7","3","3","6","7","6","2","1") = "6"
    & skf21("7","3","3","6","7","6","3","1") = "6"
    & skf21("7","3","3","6","7","6","4","1") = "6"
    & skf21("7","3","3","6","7","6","5","1") = "6"
    & skf21("7","3","3","6","7","6","6","1") = "6"
    & skf21("7","3","3","6","7","6","7","1") = "6"
    & skf21("7","3","3","6","7","7","1","1") = "6"
    & skf21("7","3","3","6","7","7","2","1") = "6"
    & skf21("7","3","3","6","7","7","3","1") = "6"
    & skf21("7","3","3","6","7","7","4","1") = "6"
    & skf21("7","3","3","6","7","7","5","1") = "6"
    & skf21("7","3","3","6","7","7","6","1") = "6"
    & skf21("7","3","3","6","7","7","7","1") = "6"
    & skf21("7","3","3","7","1","1","1","1") = "6"
    & skf21("7","3","3","7","1","1","2","1") = "6"
    & skf21("7","3","3","7","1","1","3","1") = "6"
    & skf21("7","3","3","7","1","1","4","1") = "6"
    & skf21("7","3","3","7","1","1","5","1") = "6"
    & skf21("7","3","3","7","1","1","6","1") = "6"
    & skf21("7","3","3","7","1","1","7","1") = "6"
    & skf21("7","3","3","7","1","2","1","1") = "6"
    & skf21("7","3","3","7","1","2","2","1") = "6"
    & skf21("7","3","3","7","1","2","3","1") = "6"
    & skf21("7","3","3","7","1","2","4","1") = "6"
    & skf21("7","3","3","7","1","2","5","1") = "6"
    & skf21("7","3","3","7","1","2","6","1") = "6"
    & skf21("7","3","3","7","1","2","7","1") = "6"
    & skf21("7","3","3","7","1","3","1","1") = "6"
    & skf21("7","3","3","7","1","3","2","1") = "6"
    & skf21("7","3","3","7","1","3","3","1") = "6"
    & skf21("7","3","3","7","1","3","4","1") = "6"
    & skf21("7","3","3","7","1","3","5","1") = "6"
    & skf21("7","3","3","7","1","3","6","1") = "6"
    & skf21("7","3","3","7","1","3","7","1") = "6"
    & skf21("7","3","3","7","1","4","1","1") = "6"
    & skf21("7","3","3","7","1","4","2","1") = "6"
    & skf21("7","3","3","7","1","4","3","1") = "6"
    & skf21("7","3","3","7","1","4","4","1") = "6"
    & skf21("7","3","3","7","1","4","5","1") = "6"
    & skf21("7","3","3","7","1","4","6","1") = "6"
    & skf21("7","3","3","7","1","4","7","1") = "6"
    & skf21("7","3","3","7","1","5","1","1") = "6"
    & skf21("7","3","3","7","1","5","2","1") = "6"
    & skf21("7","3","3","7","1","5","3","1") = "6"
    & skf21("7","3","3","7","1","5","4","1") = "6"
    & skf21("7","3","3","7","1","5","5","1") = "6"
    & skf21("7","3","3","7","1","5","6","1") = "6"
    & skf21("7","3","3","7","1","5","7","1") = "6"
    & skf21("7","3","3","7","1","6","1","1") = "6"
    & skf21("7","3","3","7","1","6","2","1") = "6"
    & skf21("7","3","3","7","1","6","3","1") = "6"
    & skf21("7","3","3","7","1","6","4","1") = "6"
    & skf21("7","3","3","7","1","6","5","1") = "6"
    & skf21("7","3","3","7","1","6","6","1") = "6"
    & skf21("7","3","3","7","1","6","7","1") = "6"
    & skf21("7","3","3","7","1","7","1","1") = "6"
    & skf21("7","3","3","7","1","7","2","1") = "6"
    & skf21("7","3","3","7","1","7","3","1") = "6"
    & skf21("7","3","3","7","1","7","4","1") = "6"
    & skf21("7","3","3","7","1","7","5","1") = "6"
    & skf21("7","3","3","7","1","7","6","1") = "6"
    & skf21("7","3","3","7","1","7","7","1") = "6"
    & skf21("7","3","3","7","2","1","1","1") = "6"
    & skf21("7","3","3","7","2","1","2","1") = "6"
    & skf21("7","3","3","7","2","1","3","1") = "6"
    & skf21("7","3","3","7","2","1","4","1") = "6"
    & skf21("7","3","3","7","2","1","5","1") = "6"
    & skf21("7","3","3","7","2","1","6","1") = "6"
    & skf21("7","3","3","7","2","1","7","1") = "6"
    & skf21("7","3","3","7","2","2","1","1") = "6"
    & skf21("7","3","3","7","2","2","2","1") = "6"
    & skf21("7","3","3","7","2","2","3","1") = "6"
    & skf21("7","3","3","7","2","2","4","1") = "6"
    & skf21("7","3","3","7","2","2","5","1") = "6"
    & skf21("7","3","3","7","2","2","6","1") = "6"
    & skf21("7","3","3","7","2","2","7","1") = "6"
    & skf21("7","3","3","7","2","3","1","1") = "6"
    & skf21("7","3","3","7","2","3","2","1") = "6"
    & skf21("7","3","3","7","2","3","3","1") = "6"
    & skf21("7","3","3","7","2","3","4","1") = "6"
    & skf21("7","3","3","7","2","3","5","1") = "6"
    & skf21("7","3","3","7","2","3","6","1") = "6"
    & skf21("7","3","3","7","2","3","7","1") = "6"
    & skf21("7","3","3","7","2","4","1","1") = "6"
    & skf21("7","3","3","7","2","4","2","1") = "6"
    & skf21("7","3","3","7","2","4","3","1") = "6"
    & skf21("7","3","3","7","2","4","4","1") = "6"
    & skf21("7","3","3","7","2","4","5","1") = "6"
    & skf21("7","3","3","7","2","4","6","1") = "6"
    & skf21("7","3","3","7","2","4","7","1") = "6"
    & skf21("7","3","3","7","2","5","1","1") = "6"
    & skf21("7","3","3","7","2","5","2","1") = "6"
    & skf21("7","3","3","7","2","5","3","1") = "6"
    & skf21("7","3","3","7","2","5","4","1") = "6"
    & skf21("7","3","3","7","2","5","5","1") = "6"
    & skf21("7","3","3","7","2","5","6","1") = "6"
    & skf21("7","3","3","7","2","5","7","1") = "6"
    & skf21("7","3","3","7","2","6","1","1") = "6"
    & skf21("7","3","3","7","2","6","2","1") = "6"
    & skf21("7","3","3","7","2","6","3","1") = "6"
    & skf21("7","3","3","7","2","6","4","1") = "6"
    & skf21("7","3","3","7","2","6","5","1") = "6"
    & skf21("7","3","3","7","2","6","6","1") = "6"
    & skf21("7","3","3","7","2","6","7","1") = "6"
    & skf21("7","3","3","7","2","7","1","1") = "6"
    & skf21("7","3","3","7","2","7","2","1") = "6"
    & skf21("7","3","3","7","2","7","3","1") = "6"
    & skf21("7","3","3","7","2","7","4","1") = "6"
    & skf21("7","3","3","7","2","7","5","1") = "6"
    & skf21("7","3","3","7","2","7","6","1") = "6"
    & skf21("7","3","3","7","2","7","7","1") = "6"
    & skf21("7","3","3","7","3","1","1","1") = "6"
    & skf21("7","3","3","7","3","1","2","1") = "6"
    & skf21("7","3","3","7","3","1","3","1") = "6"
    & skf21("7","3","3","7","3","1","4","1") = "6"
    & skf21("7","3","3","7","3","1","5","1") = "6"
    & skf21("7","3","3","7","3","1","6","1") = "6"
    & skf21("7","3","3","7","3","1","7","1") = "6"
    & skf21("7","3","3","7","3","2","1","1") = "6"
    & skf21("7","3","3","7","3","2","2","1") = "6"
    & skf21("7","3","3","7","3","2","3","1") = "6"
    & skf21("7","3","3","7","3","2","4","1") = "6"
    & skf21("7","3","3","7","3","2","5","1") = "6"
    & skf21("7","3","3","7","3","2","6","1") = "6"
    & skf21("7","3","3","7","3","2","7","1") = "6"
    & skf21("7","3","3","7","3","3","1","1") = "6"
    & skf21("7","3","3","7","3","3","2","1") = "6"
    & skf21("7","3","3","7","3","3","3","1") = "6"
    & skf21("7","3","3","7","3","3","4","1") = "6"
    & skf21("7","3","3","7","3","3","5","1") = "6"
    & skf21("7","3","3","7","3","3","6","1") = "6"
    & skf21("7","3","3","7","3","3","7","1") = "6"
    & skf21("7","3","3","7","3","4","1","1") = "6"
    & skf21("7","3","3","7","3","4","2","1") = "6"
    & skf21("7","3","3","7","3","4","3","1") = "6"
    & skf21("7","3","3","7","3","4","4","1") = "6"
    & skf21("7","3","3","7","3","4","5","1") = "6"
    & skf21("7","3","3","7","3","4","6","1") = "6"
    & skf21("7","3","3","7","3","4","7","1") = "6"
    & skf21("7","3","3","7","3","5","1","1") = "6"
    & skf21("7","3","3","7","3","5","2","1") = "6"
    & skf21("7","3","3","7","3","5","3","1") = "6"
    & skf21("7","3","3","7","3","5","4","1") = "6"
    & skf21("7","3","3","7","3","5","5","1") = "6"
    & skf21("7","3","3","7","3","5","6","1") = "6"
    & skf21("7","3","3","7","3","5","7","1") = "6"
    & skf21("7","3","3","7","3","6","1","1") = "6"
    & skf21("7","3","3","7","3","6","2","1") = "6"
    & skf21("7","3","3","7","3","6","3","1") = "6"
    & skf21("7","3","3","7","3","6","4","1") = "6"
    & skf21("7","3","3","7","3","6","5","1") = "6"
    & skf21("7","3","3","7","3","6","6","1") = "6"
    & skf21("7","3","3","7","3","6","7","1") = "6"
    & skf21("7","3","3","7","3","7","1","1") = "6"
    & skf21("7","3","3","7","3","7","2","1") = "6"
    & skf21("7","3","3","7","3","7","3","1") = "6"
    & skf21("7","3","3","7","3","7","4","1") = "6"
    & skf21("7","3","3","7","3","7","5","1") = "6"
    & skf21("7","3","3","7","3","7","6","1") = "6"
    & skf21("7","3","3","7","3","7","7","1") = "6"
    & skf21("7","3","3","7","4","1","1","1") = "6"
    & skf21("7","3","3","7","4","1","2","1") = "6"
    & skf21("7","3","3","7","4","1","3","1") = "6"
    & skf21("7","3","3","7","4","1","4","1") = "6"
    & skf21("7","3","3","7","4","1","5","1") = "6"
    & skf21("7","3","3","7","4","1","6","1") = "6"
    & skf21("7","3","3","7","4","1","7","1") = "6"
    & skf21("7","3","3","7","4","2","1","1") = "6"
    & skf21("7","3","3","7","4","2","2","1") = "6"
    & skf21("7","3","3","7","4","2","3","1") = "6"
    & skf21("7","3","3","7","4","2","4","1") = "6"
    & skf21("7","3","3","7","4","2","5","1") = "6"
    & skf21("7","3","3","7","4","2","6","1") = "6"
    & skf21("7","3","3","7","4","2","7","1") = "6"
    & skf21("7","3","3","7","4","3","1","1") = "6"
    & skf21("7","3","3","7","4","3","2","1") = "6"
    & skf21("7","3","3","7","4","3","3","1") = "6"
    & skf21("7","3","3","7","4","3","4","1") = "6"
    & skf21("7","3","3","7","4","3","5","1") = "6"
    & skf21("7","3","3","7","4","3","6","1") = "6"
    & skf21("7","3","3","7","4","3","7","1") = "6"
    & skf21("7","3","3","7","4","4","1","1") = "6"
    & skf21("7","3","3","7","4","4","2","1") = "6"
    & skf21("7","3","3","7","4","4","3","1") = "6"
    & skf21("7","3","3","7","4","4","4","1") = "6"
    & skf21("7","3","3","7","4","4","5","1") = "6"
    & skf21("7","3","3","7","4","4","6","1") = "6"
    & skf21("7","3","3","7","4","4","7","1") = "6"
    & skf21("7","3","3","7","4","5","1","1") = "6"
    & skf21("7","3","3","7","4","5","2","1") = "6"
    & skf21("7","3","3","7","4","5","3","1") = "6"
    & skf21("7","3","3","7","4","5","4","1") = "6"
    & skf21("7","3","3","7","4","5","5","1") = "6"
    & skf21("7","3","3","7","4","5","6","1") = "6"
    & skf21("7","3","3","7","4","5","7","1") = "6"
    & skf21("7","3","3","7","4","6","1","1") = "6"
    & skf21("7","3","3","7","4","6","2","1") = "6"
    & skf21("7","3","3","7","4","6","3","1") = "6"
    & skf21("7","3","3","7","4","6","4","1") = "6"
    & skf21("7","3","3","7","4","6","5","1") = "6"
    & skf21("7","3","3","7","4","6","6","1") = "6"
    & skf21("7","3","3","7","4","6","7","1") = "6"
    & skf21("7","3","3","7","4","7","1","1") = "6"
    & skf21("7","3","3","7","4","7","2","1") = "6"
    & skf21("7","3","3","7","4","7","3","1") = "6"
    & skf21("7","3","3","7","4","7","4","1") = "6"
    & skf21("7","3","3","7","4","7","5","1") = "6"
    & skf21("7","3","3","7","4","7","6","1") = "6"
    & skf21("7","3","3","7","4","7","7","1") = "6"
    & skf21("7","3","3","7","5","1","1","1") = "6"
    & skf21("7","3","3","7","5","1","2","1") = "6"
    & skf21("7","3","3","7","5","1","3","1") = "6"
    & skf21("7","3","3","7","5","1","4","1") = "6"
    & skf21("7","3","3","7","5","1","5","1") = "6"
    & skf21("7","3","3","7","5","1","6","1") = "6"
    & skf21("7","3","3","7","5","1","7","1") = "6"
    & skf21("7","3","3","7","5","2","1","1") = "6"
    & skf21("7","3","3","7","5","2","2","1") = "6"
    & skf21("7","3","3","7","5","2","3","1") = "6"
    & skf21("7","3","3","7","5","2","4","1") = "6"
    & skf21("7","3","3","7","5","2","5","1") = "6"
    & skf21("7","3","3","7","5","2","6","1") = "6"
    & skf21("7","3","3","7","5","2","7","1") = "6"
    & skf21("7","3","3","7","5","3","1","1") = "6"
    & skf21("7","3","3","7","5","3","2","1") = "6"
    & skf21("7","3","3","7","5","3","3","1") = "6"
    & skf21("7","3","3","7","5","3","4","1") = "6"
    & skf21("7","3","3","7","5","3","5","1") = "6"
    & skf21("7","3","3","7","5","3","6","1") = "6"
    & skf21("7","3","3","7","5","3","7","1") = "6"
    & skf21("7","3","3","7","5","4","1","1") = "6"
    & skf21("7","3","3","7","5","4","2","1") = "6"
    & skf21("7","3","3","7","5","4","3","1") = "6"
    & skf21("7","3","3","7","5","4","4","1") = "6"
    & skf21("7","3","3","7","5","4","5","1") = "6"
    & skf21("7","3","3","7","5","4","6","1") = "6"
    & skf21("7","3","3","7","5","4","7","1") = "6"
    & skf21("7","3","3","7","5","5","1","1") = "6"
    & skf21("7","3","3","7","5","5","2","1") = "6"
    & skf21("7","3","3","7","5","5","3","1") = "6"
    & skf21("7","3","3","7","5","5","4","1") = "6"
    & skf21("7","3","3","7","5","5","5","1") = "6"
    & skf21("7","3","3","7","5","5","6","1") = "6"
    & skf21("7","3","3","7","5","5","7","1") = "6"
    & skf21("7","3","3","7","5","6","1","1") = "6"
    & skf21("7","3","3","7","5","6","2","1") = "6"
    & skf21("7","3","3","7","5","6","3","1") = "6"
    & skf21("7","3","3","7","5","6","4","1") = "6"
    & skf21("7","3","3","7","5","6","5","1") = "6"
    & skf21("7","3","3","7","5","6","6","1") = "6"
    & skf21("7","3","3","7","5","6","7","1") = "6"
    & skf21("7","3","3","7","5","7","1","1") = "6"
    & skf21("7","3","3","7","5","7","2","1") = "6"
    & skf21("7","3","3","7","5","7","3","1") = "6"
    & skf21("7","3","3","7","5","7","4","1") = "6"
    & skf21("7","3","3","7","5","7","5","1") = "6"
    & skf21("7","3","3","7","5","7","6","1") = "6"
    & skf21("7","3","3","7","5","7","7","1") = "6"
    & skf21("7","3","3","7","6","1","1","1") = "6"
    & skf21("7","3","3","7","6","1","2","1") = "6"
    & skf21("7","3","3","7","6","1","3","1") = "6"
    & skf21("7","3","3","7","6","1","4","1") = "6"
    & skf21("7","3","3","7","6","1","5","1") = "6"
    & skf21("7","3","3","7","6","1","6","1") = "6"
    & skf21("7","3","3","7","6","1","7","1") = "6"
    & skf21("7","3","3","7","6","2","1","1") = "6"
    & skf21("7","3","3","7","6","2","2","1") = "6"
    & skf21("7","3","3","7","6","2","3","1") = "6"
    & skf21("7","3","3","7","6","2","4","1") = "6"
    & skf21("7","3","3","7","6","2","5","1") = "6"
    & skf21("7","3","3","7","6","2","6","1") = "6"
    & skf21("7","3","3","7","6","2","7","1") = "6"
    & skf21("7","3","3","7","6","3","1","1") = "6"
    & skf21("7","3","3","7","6","3","2","1") = "6"
    & skf21("7","3","3","7","6","3","3","1") = "6"
    & skf21("7","3","3","7","6","3","4","1") = "6"
    & skf21("7","3","3","7","6","3","5","1") = "6"
    & skf21("7","3","3","7","6","3","6","1") = "6"
    & skf21("7","3","3","7","6","3","7","1") = "6"
    & skf21("7","3","3","7","6","4","1","1") = "6"
    & skf21("7","3","3","7","6","4","2","1") = "6"
    & skf21("7","3","3","7","6","4","3","1") = "6"
    & skf21("7","3","3","7","6","4","4","1") = "6"
    & skf21("7","3","3","7","6","4","5","1") = "6"
    & skf21("7","3","3","7","6","4","6","1") = "6"
    & skf21("7","3","3","7","6","4","7","1") = "6"
    & skf21("7","3","3","7","6","5","1","1") = "6"
    & skf21("7","3","3","7","6","5","2","1") = "6"
    & skf21("7","3","3","7","6","5","3","1") = "6"
    & skf21("7","3","3","7","6","5","4","1") = "6"
    & skf21("7","3","3","7","6","5","5","1") = "6"
    & skf21("7","3","3","7","6","5","6","1") = "6"
    & skf21("7","3","3","7","6","5","7","1") = "6"
    & skf21("7","3","3","7","6","6","1","1") = "6"
    & skf21("7","3","3","7","6","6","2","1") = "6"
    & skf21("7","3","3","7","6","6","3","1") = "6"
    & skf21("7","3","3","7","6","6","4","1") = "6"
    & skf21("7","3","3","7","6","6","5","1") = "6"
    & skf21("7","3","3","7","6","6","6","1") = "6"
    & skf21("7","3","3","7","6","6","7","1") = "6"
    & skf21("7","3","3","7","6","7","1","1") = "6"
    & skf21("7","3","3","7","6","7","2","1") = "6"
    & skf21("7","3","3","7","6","7","3","1") = "6"
    & skf21("7","3","3","7","6","7","4","1") = "6"
    & skf21("7","3","3","7","6","7","5","1") = "6"
    & skf21("7","3","3","7","6","7","6","1") = "6"
    & skf21("7","3","3","7","6","7","7","1") = "6"
    & skf21("7","3","3","7","7","1","1","1") = "6"
    & skf21("7","3","3","7","7","1","2","1") = "6"
    & skf21("7","3","3","7","7","1","3","1") = "6"
    & skf21("7","3","3","7","7","1","4","1") = "6"
    & skf21("7","3","3","7","7","1","5","1") = "6"
    & skf21("7","3","3","7","7","1","6","1") = "6"
    & skf21("7","3","3","7","7","1","7","1") = "6"
    & skf21("7","3","3","7","7","2","1","1") = "6"
    & skf21("7","3","3","7","7","2","2","1") = "6"
    & skf21("7","3","3","7","7","2","3","1") = "6"
    & skf21("7","3","3","7","7","2","4","1") = "6"
    & skf21("7","3","3","7","7","2","5","1") = "6"
    & skf21("7","3","3","7","7","2","6","1") = "6"
    & skf21("7","3","3","7","7","2","7","1") = "6"
    & skf21("7","3","3","7","7","3","1","1") = "6"
    & skf21("7","3","3","7","7","3","2","1") = "6"
    & skf21("7","3","3","7","7","3","3","1") = "6"
    & skf21("7","3","3","7","7","3","4","1") = "6"
    & skf21("7","3","3","7","7","3","5","1") = "6"
    & skf21("7","3","3","7","7","3","6","1") = "6"
    & skf21("7","3","3","7","7","3","7","1") = "6"
    & skf21("7","3","3","7","7","4","1","1") = "6"
    & skf21("7","3","3","7","7","4","2","1") = "6"
    & skf21("7","3","3","7","7","4","3","1") = "6"
    & skf21("7","3","3","7","7","4","4","1") = "6"
    & skf21("7","3","3","7","7","4","5","1") = "6"
    & skf21("7","3","3","7","7","4","6","1") = "6"
    & skf21("7","3","3","7","7","4","7","1") = "6"
    & skf21("7","3","3","7","7","5","1","1") = "6"
    & skf21("7","3","3","7","7","5","2","1") = "6"
    & skf21("7","3","3","7","7","5","3","1") = "6"
    & skf21("7","3","3","7","7","5","4","1") = "6"
    & skf21("7","3","3","7","7","5","5","1") = "6"
    & skf21("7","3","3","7","7","5","6","1") = "6"
    & skf21("7","3","3","7","7","5","7","1") = "6"
    & skf21("7","3","3","7","7","6","1","1") = "6"
    & skf21("7","3","3","7","7","6","2","1") = "6"
    & skf21("7","3","3","7","7","6","3","1") = "6"
    & skf21("7","3","3","7","7","6","4","1") = "6"
    & skf21("7","3","3","7","7","6","5","1") = "6"
    & skf21("7","3","3","7","7","6","6","1") = "6"
    & skf21("7","3","3","7","7","6","7","1") = "6"
    & skf21("7","3","3","7","7","7","1","1") = "6"
    & skf21("7","3","3","7","7","7","2","1") = "6"
    & skf21("7","3","3","7","7","7","3","1") = "6"
    & skf21("7","3","3","7","7","7","4","1") = "6"
    & skf21("7","3","3","7","7","7","5","1") = "6"
    & skf21("7","3","3","7","7","7","6","1") = "6"
    & skf21("7","3","3","7","7","7","7","1") = "6"
    & skf21("7","3","4","1","1","1","1","1") = "6"
    & skf21("7","3","4","1","1","1","2","1") = "6"
    & skf21("7","3","4","1","1","1","3","1") = "6"
    & skf21("7","3","4","1","1","1","4","1") = "6"
    & skf21("7","3","4","1","1","1","5","1") = "6"
    & skf21("7","3","4","1","1","1","6","1") = "6"
    & skf21("7","3","4","1","1","1","7","1") = "6"
    & skf21("7","3","4","1","1","2","1","1") = "6"
    & skf21("7","3","4","1","1","2","2","1") = "6"
    & skf21("7","3","4","1","1","2","3","1") = "6"
    & skf21("7","3","4","1","1","2","4","1") = "6"
    & skf21("7","3","4","1","1","2","5","1") = "6"
    & skf21("7","3","4","1","1","2","6","1") = "6"
    & skf21("7","3","4","1","1","2","7","1") = "6"
    & skf21("7","3","4","1","1","3","1","1") = "6"
    & skf21("7","3","4","1","1","3","2","1") = "6"
    & skf21("7","3","4","1","1","3","3","1") = "6"
    & skf21("7","3","4","1","1","3","4","1") = "6"
    & skf21("7","3","4","1","1","3","5","1") = "6"
    & skf21("7","3","4","1","1","3","6","1") = "6"
    & skf21("7","3","4","1","1","3","7","1") = "6"
    & skf21("7","3","4","1","1","4","1","1") = "6"
    & skf21("7","3","4","1","1","4","2","1") = "6"
    & skf21("7","3","4","1","1","4","3","1") = "6"
    & skf21("7","3","4","1","1","4","4","1") = "6"
    & skf21("7","3","4","1","1","4","5","1") = "6"
    & skf21("7","3","4","1","1","4","6","1") = "6"
    & skf21("7","3","4","1","1","4","7","1") = "6"
    & skf21("7","3","4","1","1","5","1","1") = "6"
    & skf21("7","3","4","1","1","5","2","1") = "6"
    & skf21("7","3","4","1","1","5","3","1") = "6"
    & skf21("7","3","4","1","1","5","4","1") = "6"
    & skf21("7","3","4","1","1","5","5","1") = "6"
    & skf21("7","3","4","1","1","5","6","1") = "6"
    & skf21("7","3","4","1","1","5","7","1") = "6"
    & skf21("7","3","4","1","1","6","1","1") = "6"
    & skf21("7","3","4","1","1","6","2","1") = "6"
    & skf21("7","3","4","1","1","6","3","1") = "6"
    & skf21("7","3","4","1","1","6","4","1") = "6"
    & skf21("7","3","4","1","1","6","5","1") = "6"
    & skf21("7","3","4","1","1","6","6","1") = "6"
    & skf21("7","3","4","1","1","6","7","1") = "6"
    & skf21("7","3","4","1","1","7","1","1") = "6"
    & skf21("7","3","4","1","1","7","2","1") = "6"
    & skf21("7","3","4","1","1","7","3","1") = "6"
    & skf21("7","3","4","1","1","7","4","1") = "6"
    & skf21("7","3","4","1","1","7","5","1") = "6"
    & skf21("7","3","4","1","1","7","6","1") = "6"
    & skf21("7","3","4","1","1","7","7","1") = "6"
    & skf21("7","3","4","1","2","1","1","1") = "6"
    & skf21("7","3","4","1","2","1","2","1") = "6"
    & skf21("7","3","4","1","2","1","3","1") = "6"
    & skf21("7","3","4","1","2","1","4","1") = "6"
    & skf21("7","3","4","1","2","1","5","1") = "6"
    & skf21("7","3","4","1","2","1","6","1") = "6"
    & skf21("7","3","4","1","2","1","7","1") = "6"
    & skf21("7","3","4","1","2","2","1","1") = "6"
    & skf21("7","3","4","1","2","2","2","1") = "6"
    & skf21("7","3","4","1","2","2","3","1") = "6"
    & skf21("7","3","4","1","2","2","4","1") = "6"
    & skf21("7","3","4","1","2","2","5","1") = "6"
    & skf21("7","3","4","1","2","2","6","1") = "6"
    & skf21("7","3","4","1","2","2","7","1") = "6"
    & skf21("7","3","4","1","2","3","1","1") = "6"
    & skf21("7","3","4","1","2","3","2","1") = "6"
    & skf21("7","3","4","1","2","3","3","1") = "6"
    & skf21("7","3","4","1","2","3","4","1") = "6"
    & skf21("7","3","4","1","2","3","5","1") = "6"
    & skf21("7","3","4","1","2","3","6","1") = "6"
    & skf21("7","3","4","1","2","3","7","1") = "6"
    & skf21("7","3","4","1","2","4","1","1") = "6"
    & skf21("7","3","4","1","2","4","2","1") = "6"
    & skf21("7","3","4","1","2","4","3","1") = "6"
    & skf21("7","3","4","1","2","4","4","1") = "6"
    & skf21("7","3","4","1","2","4","5","1") = "6"
    & skf21("7","3","4","1","2","4","6","1") = "6"
    & skf21("7","3","4","1","2","4","7","1") = "6"
    & skf21("7","3","4","1","2","5","1","1") = "6"
    & skf21("7","3","4","1","2","5","2","1") = "6"
    & skf21("7","3","4","1","2","5","3","1") = "6"
    & skf21("7","3","4","1","2","5","4","1") = "6"
    & skf21("7","3","4","1","2","5","5","1") = "6"
    & skf21("7","3","4","1","2","5","6","1") = "6"
    & skf21("7","3","4","1","2","5","7","1") = "6"
    & skf21("7","3","4","1","2","6","1","1") = "6"
    & skf21("7","3","4","1","2","6","2","1") = "6"
    & skf21("7","3","4","1","2","6","3","1") = "6"
    & skf21("7","3","4","1","2","6","4","1") = "6"
    & skf21("7","3","4","1","2","6","5","1") = "6"
    & skf21("7","3","4","1","2","6","6","1") = "6"
    & skf21("7","3","4","1","2","6","7","1") = "6"
    & skf21("7","3","4","1","2","7","1","1") = "6"
    & skf21("7","3","4","1","2","7","2","1") = "6"
    & skf21("7","3","4","1","2","7","3","1") = "6"
    & skf21("7","3","4","1","2","7","4","1") = "6"
    & skf21("7","3","4","1","2","7","5","1") = "6"
    & skf21("7","3","4","1","2","7","6","1") = "6"
    & skf21("7","3","4","1","2","7","7","1") = "6"
    & skf21("7","3","4","1","3","1","1","1") = "6"
    & skf21("7","3","4","1","3","1","2","1") = "6"
    & skf21("7","3","4","1","3","1","3","1") = "6"
    & skf21("7","3","4","1","3","1","4","1") = "6"
    & skf21("7","3","4","1","3","1","5","1") = "6"
    & skf21("7","3","4","1","3","1","6","1") = "6"
    & skf21("7","3","4","1","3","1","7","1") = "6"
    & skf21("7","3","4","1","3","2","1","1") = "6"
    & skf21("7","3","4","1","3","2","2","1") = "6"
    & skf21("7","3","4","1","3","2","3","1") = "6"
    & skf21("7","3","4","1","3","2","4","1") = "6"
    & skf21("7","3","4","1","3","2","5","1") = "6"
    & skf21("7","3","4","1","3","2","6","1") = "6"
    & skf21("7","3","4","1","3","2","7","1") = "6"
    & skf21("7","3","4","1","3","3","1","1") = "6"
    & skf21("7","3","4","1","3","3","2","1") = "6"
    & skf21("7","3","4","1","3","3","3","1") = "6"
    & skf21("7","3","4","1","3","3","4","1") = "6"
    & skf21("7","3","4","1","3","3","5","1") = "6"
    & skf21("7","3","4","1","3","3","6","1") = "6"
    & skf21("7","3","4","1","3","3","7","1") = "6"
    & skf21("7","3","4","1","3","4","1","1") = "6"
    & skf21("7","3","4","1","3","4","2","1") = "6"
    & skf21("7","3","4","1","3","4","3","1") = "6"
    & skf21("7","3","4","1","3","4","4","1") = "6"
    & skf21("7","3","4","1","3","4","5","1") = "6"
    & skf21("7","3","4","1","3","4","6","1") = "6"
    & skf21("7","3","4","1","3","4","7","1") = "6"
    & skf21("7","3","4","1","3","5","1","1") = "6"
    & skf21("7","3","4","1","3","5","2","1") = "6"
    & skf21("7","3","4","1","3","5","3","1") = "6"
    & skf21("7","3","4","1","3","5","4","1") = "6"
    & skf21("7","3","4","1","3","5","5","1") = "6"
    & skf21("7","3","4","1","3","5","6","1") = "6"
    & skf21("7","3","4","1","3","5","7","1") = "6"
    & skf21("7","3","4","1","3","6","1","1") = "6"
    & skf21("7","3","4","1","3","6","2","1") = "6"
    & skf21("7","3","4","1","3","6","3","1") = "6"
    & skf21("7","3","4","1","3","6","4","1") = "6"
    & skf21("7","3","4","1","3","6","5","1") = "6"
    & skf21("7","3","4","1","3","6","6","1") = "6"
    & skf21("7","3","4","1","3","6","7","1") = "6"
    & skf21("7","3","4","1","3","7","1","1") = "6"
    & skf21("7","3","4","1","3","7","2","1") = "6"
    & skf21("7","3","4","1","3","7","3","1") = "6"
    & skf21("7","3","4","1","3","7","4","1") = "6"
    & skf21("7","3","4","1","3","7","5","1") = "6"
    & skf21("7","3","4","1","3","7","6","1") = "6"
    & skf21("7","3","4","1","3","7","7","1") = "6"
    & skf21("7","3","4","1","4","1","1","1") = "6"
    & skf21("7","3","4","1","4","1","2","1") = "6"
    & skf21("7","3","4","1","4","1","3","1") = "6"
    & skf21("7","3","4","1","4","1","4","1") = "6"
    & skf21("7","3","4","1","4","1","5","1") = "6"
    & skf21("7","3","4","1","4","1","6","1") = "6"
    & skf21("7","3","4","1","4","1","7","1") = "6"
    & skf21("7","3","4","1","4","2","1","1") = "6"
    & skf21("7","3","4","1","4","2","2","1") = "6"
    & skf21("7","3","4","1","4","2","3","1") = "6"
    & skf21("7","3","4","1","4","2","4","1") = "6"
    & skf21("7","3","4","1","4","2","5","1") = "6"
    & skf21("7","3","4","1","4","2","6","1") = "6"
    & skf21("7","3","4","1","4","2","7","1") = "6"
    & skf21("7","3","4","1","4","3","1","1") = "6"
    & skf21("7","3","4","1","4","3","2","1") = "6"
    & skf21("7","3","4","1","4","3","3","1") = "6"
    & skf21("7","3","4","1","4","3","4","1") = "6"
    & skf21("7","3","4","1","4","3","5","1") = "6"
    & skf21("7","3","4","1","4","3","6","1") = "6"
    & skf21("7","3","4","1","4","3","7","1") = "6"
    & skf21("7","3","4","1","4","4","1","1") = "6"
    & skf21("7","3","4","1","4","4","2","1") = "6"
    & skf21("7","3","4","1","4","4","3","1") = "6"
    & skf21("7","3","4","1","4","4","4","1") = "6"
    & skf21("7","3","4","1","4","4","5","1") = "6"
    & skf21("7","3","4","1","4","4","6","1") = "6"
    & skf21("7","3","4","1","4","4","7","1") = "6"
    & skf21("7","3","4","1","4","5","1","1") = "6"
    & skf21("7","3","4","1","4","5","2","1") = "6"
    & skf21("7","3","4","1","4","5","3","1") = "6"
    & skf21("7","3","4","1","4","5","4","1") = "6"
    & skf21("7","3","4","1","4","5","5","1") = "6"
    & skf21("7","3","4","1","4","5","6","1") = "6"
    & skf21("7","3","4","1","4","5","7","1") = "6"
    & skf21("7","3","4","1","4","6","1","1") = "6"
    & skf21("7","3","4","1","4","6","2","1") = "6"
    & skf21("7","3","4","1","4","6","3","1") = "6"
    & skf21("7","3","4","1","4","6","4","1") = "6"
    & skf21("7","3","4","1","4","6","5","1") = "6"
    & skf21("7","3","4","1","4","6","6","1") = "6"
    & skf21("7","3","4","1","4","6","7","1") = "6"
    & skf21("7","3","4","1","4","7","1","1") = "6"
    & skf21("7","3","4","1","4","7","2","1") = "6"
    & skf21("7","3","4","1","4","7","3","1") = "6"
    & skf21("7","3","4","1","4","7","4","1") = "6"
    & skf21("7","3","4","1","4","7","5","1") = "6"
    & skf21("7","3","4","1","4","7","6","1") = "6"
    & skf21("7","3","4","1","4","7","7","1") = "6"
    & skf21("7","3","4","1","5","1","1","1") = "6"
    & skf21("7","3","4","1","5","1","2","1") = "6"
    & skf21("7","3","4","1","5","1","3","1") = "6"
    & skf21("7","3","4","1","5","1","4","1") = "6"
    & skf21("7","3","4","1","5","1","5","1") = "6"
    & skf21("7","3","4","1","5","1","6","1") = "6"
    & skf21("7","3","4","1","5","1","7","1") = "6"
    & skf21("7","3","4","1","5","2","1","1") = "6"
    & skf21("7","3","4","1","5","2","2","1") = "6"
    & skf21("7","3","4","1","5","2","3","1") = "6"
    & skf21("7","3","4","1","5","2","4","1") = "6"
    & skf21("7","3","4","1","5","2","5","1") = "6"
    & skf21("7","3","4","1","5","2","6","1") = "6"
    & skf21("7","3","4","1","5","2","7","1") = "6"
    & skf21("7","3","4","1","5","3","1","1") = "6"
    & skf21("7","3","4","1","5","3","2","1") = "6"
    & skf21("7","3","4","1","5","3","3","1") = "6"
    & skf21("7","3","4","1","5","3","4","1") = "6"
    & skf21("7","3","4","1","5","3","5","1") = "6"
    & skf21("7","3","4","1","5","3","6","1") = "6"
    & skf21("7","3","4","1","5","3","7","1") = "6"
    & skf21("7","3","4","1","5","4","1","1") = "6"
    & skf21("7","3","4","1","5","4","2","1") = "6"
    & skf21("7","3","4","1","5","4","3","1") = "6"
    & skf21("7","3","4","1","5","4","4","1") = "6"
    & skf21("7","3","4","1","5","4","5","1") = "6"
    & skf21("7","3","4","1","5","4","6","1") = "6"
    & skf21("7","3","4","1","5","4","7","1") = "6"
    & skf21("7","3","4","1","5","5","1","1") = "6"
    & skf21("7","3","4","1","5","5","2","1") = "6"
    & skf21("7","3","4","1","5","5","3","1") = "6"
    & skf21("7","3","4","1","5","5","4","1") = "6"
    & skf21("7","3","4","1","5","5","5","1") = "6"
    & skf21("7","3","4","1","5","5","6","1") = "6"
    & skf21("7","3","4","1","5","5","7","1") = "6"
    & skf21("7","3","4","1","5","6","1","1") = "6"
    & skf21("7","3","4","1","5","6","2","1") = "6"
    & skf21("7","3","4","1","5","6","3","1") = "6"
    & skf21("7","3","4","1","5","6","4","1") = "6"
    & skf21("7","3","4","1","5","6","5","1") = "6"
    & skf21("7","3","4","1","5","6","6","1") = "6"
    & skf21("7","3","4","1","5","6","7","1") = "6"
    & skf21("7","3","4","1","5","7","1","1") = "6"
    & skf21("7","3","4","1","5","7","2","1") = "6"
    & skf21("7","3","4","1","5","7","3","1") = "6"
    & skf21("7","3","4","1","5","7","4","1") = "6"
    & skf21("7","3","4","1","5","7","5","1") = "6"
    & skf21("7","3","4","1","5","7","6","1") = "6"
    & skf21("7","3","4","1","5","7","7","1") = "6"
    & skf21("7","3","4","1","6","1","1","1") = "6"
    & skf21("7","3","4","1","6","1","2","1") = "6"
    & skf21("7","3","4","1","6","1","3","1") = "6"
    & skf21("7","3","4","1","6","1","4","1") = "6"
    & skf21("7","3","4","1","6","1","5","1") = "6"
    & skf21("7","3","4","1","6","1","6","1") = "6"
    & skf21("7","3","4","1","6","1","7","1") = "6"
    & skf21("7","3","4","1","6","2","1","1") = "6"
    & skf21("7","3","4","1","6","2","2","1") = "6"
    & skf21("7","3","4","1","6","2","3","1") = "6"
    & skf21("7","3","4","1","6","2","4","1") = "6"
    & skf21("7","3","4","1","6","2","5","1") = "6"
    & skf21("7","3","4","1","6","2","6","1") = "6"
    & skf21("7","3","4","1","6","2","7","1") = "6"
    & skf21("7","3","4","1","6","3","1","1") = "6"
    & skf21("7","3","4","1","6","3","2","1") = "6"
    & skf21("7","3","4","1","6","3","3","1") = "6"
    & skf21("7","3","4","1","6","3","4","1") = "6"
    & skf21("7","3","4","1","6","3","5","1") = "6"
    & skf21("7","3","4","1","6","3","6","1") = "6"
    & skf21("7","3","4","1","6","3","7","1") = "6"
    & skf21("7","3","4","1","6","4","1","1") = "6"
    & skf21("7","3","4","1","6","4","2","1") = "6"
    & skf21("7","3","4","1","6","4","3","1") = "6"
    & skf21("7","3","4","1","6","4","4","1") = "6"
    & skf21("7","3","4","1","6","4","5","1") = "6"
    & skf21("7","3","4","1","6","4","6","1") = "6"
    & skf21("7","3","4","1","6","4","7","1") = "6"
    & skf21("7","3","4","1","6","5","1","1") = "6"
    & skf21("7","3","4","1","6","5","2","1") = "6"
    & skf21("7","3","4","1","6","5","3","1") = "6"
    & skf21("7","3","4","1","6","5","4","1") = "6"
    & skf21("7","3","4","1","6","5","5","1") = "6"
    & skf21("7","3","4","1","6","5","6","1") = "6"
    & skf21("7","3","4","1","6","5","7","1") = "6"
    & skf21("7","3","4","1","6","6","1","1") = "6"
    & skf21("7","3","4","1","6","6","2","1") = "6"
    & skf21("7","3","4","1","6","6","3","1") = "6"
    & skf21("7","3","4","1","6","6","4","1") = "6"
    & skf21("7","3","4","1","6","6","5","1") = "6"
    & skf21("7","3","4","1","6","6","6","1") = "6"
    & skf21("7","3","4","1","6","6","7","1") = "6"
    & skf21("7","3","4","1","6","7","1","1") = "6"
    & skf21("7","3","4","1","6","7","2","1") = "6"
    & skf21("7","3","4","1","6","7","3","1") = "6"
    & skf21("7","3","4","1","6","7","4","1") = "6"
    & skf21("7","3","4","1","6","7","5","1") = "6"
    & skf21("7","3","4","1","6","7","6","1") = "6"
    & skf21("7","3","4","1","6","7","7","1") = "6"
    & skf21("7","3","4","1","7","1","1","1") = "6"
    & skf21("7","3","4","1","7","1","2","1") = "6"
    & skf21("7","3","4","1","7","1","3","1") = "6"
    & skf21("7","3","4","1","7","1","4","1") = "6"
    & skf21("7","3","4","1","7","1","5","1") = "6"
    & skf21("7","3","4","1","7","1","6","1") = "6"
    & skf21("7","3","4","1","7","1","7","1") = "6"
    & skf21("7","3","4","1","7","2","1","1") = "6"
    & skf21("7","3","4","1","7","2","2","1") = "6"
    & skf21("7","3","4","1","7","2","3","1") = "6"
    & skf21("7","3","4","1","7","2","4","1") = "6"
    & skf21("7","3","4","1","7","2","5","1") = "6"
    & skf21("7","3","4","1","7","2","6","1") = "6"
    & skf21("7","3","4","1","7","2","7","1") = "6"
    & skf21("7","3","4","1","7","3","1","1") = "6"
    & skf21("7","3","4","1","7","3","2","1") = "6"
    & skf21("7","3","4","1","7","3","3","1") = "6"
    & skf21("7","3","4","1","7","3","4","1") = "6"
    & skf21("7","3","4","1","7","3","5","1") = "6"
    & skf21("7","3","4","1","7","3","6","1") = "6"
    & skf21("7","3","4","1","7","3","7","1") = "6"
    & skf21("7","3","4","1","7","4","1","1") = "6"
    & skf21("7","3","4","1","7","4","2","1") = "6"
    & skf21("7","3","4","1","7","4","3","1") = "6"
    & skf21("7","3","4","1","7","4","4","1") = "6"
    & skf21("7","3","4","1","7","4","5","1") = "6"
    & skf21("7","3","4","1","7","4","6","1") = "6"
    & skf21("7","3","4","1","7","4","7","1") = "6"
    & skf21("7","3","4","1","7","5","1","1") = "6"
    & skf21("7","3","4","1","7","5","2","1") = "6"
    & skf21("7","3","4","1","7","5","3","1") = "6"
    & skf21("7","3","4","1","7","5","4","1") = "6"
    & skf21("7","3","4","1","7","5","5","1") = "6"
    & skf21("7","3","4","1","7","5","6","1") = "6"
    & skf21("7","3","4","1","7","5","7","1") = "6"
    & skf21("7","3","4","1","7","6","1","1") = "6"
    & skf21("7","3","4","1","7","6","2","1") = "6"
    & skf21("7","3","4","1","7","6","3","1") = "6"
    & skf21("7","3","4","1","7","6","4","1") = "6"
    & skf21("7","3","4","1","7","6","5","1") = "6"
    & skf21("7","3","4","1","7","6","6","1") = "6"
    & skf21("7","3","4","1","7","6","7","1") = "6"
    & skf21("7","3","4","1","7","7","1","1") = "6"
    & skf21("7","3","4","1","7","7","2","1") = "6"
    & skf21("7","3","4","1","7","7","3","1") = "6"
    & skf21("7","3","4","1","7","7","4","1") = "6"
    & skf21("7","3","4","1","7","7","5","1") = "6"
    & skf21("7","3","4","1","7","7","6","1") = "6"
    & skf21("7","3","4","1","7","7","7","1") = "6"
    & skf21("7","3","4","2","1","1","1","1") = "6"
    & skf21("7","3","4","2","1","1","2","1") = "6"
    & skf21("7","3","4","2","1","1","3","1") = "6"
    & skf21("7","3","4","2","1","1","4","1") = "6"
    & skf21("7","3","4","2","1","1","5","1") = "6"
    & skf21("7","3","4","2","1","1","6","1") = "6"
    & skf21("7","3","4","2","1","1","7","1") = "6"
    & skf21("7","3","4","2","1","2","1","1") = "6"
    & skf21("7","3","4","2","1","2","2","1") = "6"
    & skf21("7","3","4","2","1","2","3","1") = "6"
    & skf21("7","3","4","2","1","2","4","1") = "6"
    & skf21("7","3","4","2","1","2","5","1") = "6"
    & skf21("7","3","4","2","1","2","6","1") = "6"
    & skf21("7","3","4","2","1","2","7","1") = "6"
    & skf21("7","3","4","2","1","3","1","1") = "6"
    & skf21("7","3","4","2","1","3","2","1") = "6"
    & skf21("7","3","4","2","1","3","3","1") = "6"
    & skf21("7","3","4","2","1","3","4","1") = "6"
    & skf21("7","3","4","2","1","3","5","1") = "6"
    & skf21("7","3","4","2","1","3","6","1") = "6"
    & skf21("7","3","4","2","1","3","7","1") = "6"
    & skf21("7","3","4","2","1","4","1","1") = "6"
    & skf21("7","3","4","2","1","4","2","1") = "6"
    & skf21("7","3","4","2","1","4","3","1") = "6"
    & skf21("7","3","4","2","1","4","4","1") = "6"
    & skf21("7","3","4","2","1","4","5","1") = "6"
    & skf21("7","3","4","2","1","4","6","1") = "6"
    & skf21("7","3","4","2","1","4","7","1") = "6"
    & skf21("7","3","4","2","1","5","1","1") = "6"
    & skf21("7","3","4","2","1","5","2","1") = "6"
    & skf21("7","3","4","2","1","5","3","1") = "6"
    & skf21("7","3","4","2","1","5","4","1") = "6"
    & skf21("7","3","4","2","1","5","5","1") = "6"
    & skf21("7","3","4","2","1","5","6","1") = "6"
    & skf21("7","3","4","2","1","5","7","1") = "6"
    & skf21("7","3","4","2","1","6","1","1") = "6"
    & skf21("7","3","4","2","1","6","2","1") = "6"
    & skf21("7","3","4","2","1","6","3","1") = "6"
    & skf21("7","3","4","2","1","6","4","1") = "6"
    & skf21("7","3","4","2","1","6","5","1") = "6"
    & skf21("7","3","4","2","1","6","6","1") = "6"
    & skf21("7","3","4","2","1","6","7","1") = "6"
    & skf21("7","3","4","2","1","7","1","1") = "6"
    & skf21("7","3","4","2","1","7","2","1") = "6"
    & skf21("7","3","4","2","1","7","3","1") = "6"
    & skf21("7","3","4","2","1","7","4","1") = "6"
    & skf21("7","3","4","2","1","7","5","1") = "6"
    & skf21("7","3","4","2","1","7","6","1") = "6"
    & skf21("7","3","4","2","1","7","7","1") = "6"
    & skf21("7","3","4","2","2","1","1","1") = "6"
    & skf21("7","3","4","2","2","1","2","1") = "6"
    & skf21("7","3","4","2","2","1","3","1") = "6"
    & skf21("7","3","4","2","2","1","4","1") = "6"
    & skf21("7","3","4","2","2","1","5","1") = "6"
    & skf21("7","3","4","2","2","1","6","1") = "6"
    & skf21("7","3","4","2","2","1","7","1") = "6"
    & skf21("7","3","4","2","2","2","1","1") = "6"
    & skf21("7","3","4","2","2","2","2","1") = "6"
    & skf21("7","3","4","2","2","2","3","1") = "6"
    & skf21("7","3","4","2","2","2","4","1") = "6"
    & skf21("7","3","4","2","2","2","5","1") = "6"
    & skf21("7","3","4","2","2","2","6","1") = "6"
    & skf21("7","3","4","2","2","2","7","1") = "6"
    & skf21("7","3","4","2","2","3","1","1") = "6"
    & skf21("7","3","4","2","2","3","2","1") = "6"
    & skf21("7","3","4","2","2","3","3","1") = "6"
    & skf21("7","3","4","2","2","3","4","1") = "6"
    & skf21("7","3","4","2","2","3","5","1") = "6"
    & skf21("7","3","4","2","2","3","6","1") = "6"
    & skf21("7","3","4","2","2","3","7","1") = "6"
    & skf21("7","3","4","2","2","4","1","1") = "6"
    & skf21("7","3","4","2","2","4","2","1") = "6"
    & skf21("7","3","4","2","2","4","3","1") = "6"
    & skf21("7","3","4","2","2","4","4","1") = "6"
    & skf21("7","3","4","2","2","4","5","1") = "6"
    & skf21("7","3","4","2","2","4","6","1") = "6"
    & skf21("7","3","4","2","2","4","7","1") = "6"
    & skf21("7","3","4","2","2","5","1","1") = "6"
    & skf21("7","3","4","2","2","5","2","1") = "6"
    & skf21("7","3","4","2","2","5","3","1") = "6"
    & skf21("7","3","4","2","2","5","4","1") = "6"
    & skf21("7","3","4","2","2","5","5","1") = "6"
    & skf21("7","3","4","2","2","5","6","1") = "6"
    & skf21("7","3","4","2","2","5","7","1") = "6"
    & skf21("7","3","4","2","2","6","1","1") = "6"
    & skf21("7","3","4","2","2","6","2","1") = "6"
    & skf21("7","3","4","2","2","6","3","1") = "6"
    & skf21("7","3","4","2","2","6","4","1") = "6"
    & skf21("7","3","4","2","2","6","5","1") = "6"
    & skf21("7","3","4","2","2","6","6","1") = "6"
    & skf21("7","3","4","2","2","6","7","1") = "6"
    & skf21("7","3","4","2","2","7","1","1") = "6"
    & skf21("7","3","4","2","2","7","2","1") = "6"
    & skf21("7","3","4","2","2","7","3","1") = "6"
    & skf21("7","3","4","2","2","7","4","1") = "6"
    & skf21("7","3","4","2","2","7","5","1") = "6"
    & skf21("7","3","4","2","2","7","6","1") = "6"
    & skf21("7","3","4","2","2","7","7","1") = "6"
    & skf21("7","3","4","2","3","1","1","1") = "6"
    & skf21("7","3","4","2","3","1","2","1") = "6"
    & skf21("7","3","4","2","3","1","3","1") = "6"
    & skf21("7","3","4","2","3","1","4","1") = "6"
    & skf21("7","3","4","2","3","1","5","1") = "6"
    & skf21("7","3","4","2","3","1","6","1") = "6"
    & skf21("7","3","4","2","3","1","7","1") = "6"
    & skf21("7","3","4","2","3","2","1","1") = "6"
    & skf21("7","3","4","2","3","2","2","1") = "6"
    & skf21("7","3","4","2","3","2","3","1") = "6"
    & skf21("7","3","4","2","3","2","4","1") = "6"
    & skf21("7","3","4","2","3","2","5","1") = "6"
    & skf21("7","3","4","2","3","2","6","1") = "6"
    & skf21("7","3","4","2","3","2","7","1") = "6"
    & skf21("7","3","4","2","3","3","1","1") = "6"
    & skf21("7","3","4","2","3","3","2","1") = "6"
    & skf21("7","3","4","2","3","3","3","1") = "6"
    & skf21("7","3","4","2","3","3","4","1") = "6"
    & skf21("7","3","4","2","3","3","5","1") = "6"
    & skf21("7","3","4","2","3","3","6","1") = "6"
    & skf21("7","3","4","2","3","3","7","1") = "6"
    & skf21("7","3","4","2","3","4","1","1") = "6"
    & skf21("7","3","4","2","3","4","2","1") = "6"
    & skf21("7","3","4","2","3","4","3","1") = "6"
    & skf21("7","3","4","2","3","4","4","1") = "6"
    & skf21("7","3","4","2","3","4","5","1") = "6"
    & skf21("7","3","4","2","3","4","6","1") = "6"
    & skf21("7","3","4","2","3","4","7","1") = "6"
    & skf21("7","3","4","2","3","5","1","1") = "6"
    & skf21("7","3","4","2","3","5","2","1") = "6"
    & skf21("7","3","4","2","3","5","3","1") = "6"
    & skf21("7","3","4","2","3","5","4","1") = "6"
    & skf21("7","3","4","2","3","5","5","1") = "6"
    & skf21("7","3","4","2","3","5","6","1") = "6"
    & skf21("7","3","4","2","3","5","7","1") = "6"
    & skf21("7","3","4","2","3","6","1","1") = "6"
    & skf21("7","3","4","2","3","6","2","1") = "6"
    & skf21("7","3","4","2","3","6","3","1") = "6"
    & skf21("7","3","4","2","3","6","4","1") = "6"
    & skf21("7","3","4","2","3","6","5","1") = "6"
    & skf21("7","3","4","2","3","6","6","1") = "6"
    & skf21("7","3","4","2","3","6","7","1") = "6"
    & skf21("7","3","4","2","3","7","1","1") = "6"
    & skf21("7","3","4","2","3","7","2","1") = "6"
    & skf21("7","3","4","2","3","7","3","1") = "6"
    & skf21("7","3","4","2","3","7","4","1") = "6"
    & skf21("7","3","4","2","3","7","5","1") = "6"
    & skf21("7","3","4","2","3","7","6","1") = "6"
    & skf21("7","3","4","2","3","7","7","1") = "6"
    & skf21("7","3","4","2","4","1","1","1") = "6"
    & skf21("7","3","4","2","4","1","2","1") = "6"
    & skf21("7","3","4","2","4","1","3","1") = "6"
    & skf21("7","3","4","2","4","1","4","1") = "6"
    & skf21("7","3","4","2","4","1","5","1") = "6"
    & skf21("7","3","4","2","4","1","6","1") = "6"
    & skf21("7","3","4","2","4","1","7","1") = "6"
    & skf21("7","3","4","2","4","2","1","1") = "6"
    & skf21("7","3","4","2","4","2","2","1") = "6"
    & skf21("7","3","4","2","4","2","3","1") = "6"
    & skf21("7","3","4","2","4","2","4","1") = "6"
    & skf21("7","3","4","2","4","2","5","1") = "6"
    & skf21("7","3","4","2","4","2","6","1") = "6"
    & skf21("7","3","4","2","4","2","7","1") = "6"
    & skf21("7","3","4","2","4","3","1","1") = "6"
    & skf21("7","3","4","2","4","3","2","1") = "6"
    & skf21("7","3","4","2","4","3","3","1") = "6"
    & skf21("7","3","4","2","4","3","4","1") = "6"
    & skf21("7","3","4","2","4","3","5","1") = "6"
    & skf21("7","3","4","2","4","3","6","1") = "6"
    & skf21("7","3","4","2","4","3","7","1") = "6"
    & skf21("7","3","4","2","4","4","1","1") = "6"
    & skf21("7","3","4","2","4","4","2","1") = "6"
    & skf21("7","3","4","2","4","4","3","1") = "6"
    & skf21("7","3","4","2","4","4","4","1") = "6"
    & skf21("7","3","4","2","4","4","5","1") = "6"
    & skf21("7","3","4","2","4","4","6","1") = "6"
    & skf21("7","3","4","2","4","4","7","1") = "6"
    & skf21("7","3","4","2","4","5","1","1") = "6"
    & skf21("7","3","4","2","4","5","2","1") = "6"
    & skf21("7","3","4","2","4","5","3","1") = "6"
    & skf21("7","3","4","2","4","5","4","1") = "6"
    & skf21("7","3","4","2","4","5","5","1") = "6"
    & skf21("7","3","4","2","4","5","6","1") = "6"
    & skf21("7","3","4","2","4","5","7","1") = "6"
    & skf21("7","3","4","2","4","6","1","1") = "6"
    & skf21("7","3","4","2","4","6","2","1") = "6"
    & skf21("7","3","4","2","4","6","3","1") = "6"
    & skf21("7","3","4","2","4","6","4","1") = "6"
    & skf21("7","3","4","2","4","6","5","1") = "6"
    & skf21("7","3","4","2","4","6","6","1") = "6"
    & skf21("7","3","4","2","4","6","7","1") = "6"
    & skf21("7","3","4","2","4","7","1","1") = "6"
    & skf21("7","3","4","2","4","7","2","1") = "6"
    & skf21("7","3","4","2","4","7","3","1") = "6"
    & skf21("7","3","4","2","4","7","4","1") = "6"
    & skf21("7","3","4","2","4","7","5","1") = "6"
    & skf21("7","3","4","2","4","7","6","1") = "6"
    & skf21("7","3","4","2","4","7","7","1") = "6"
    & skf21("7","3","4","2","5","1","1","1") = "6"
    & skf21("7","3","4","2","5","1","2","1") = "6"
    & skf21("7","3","4","2","5","1","3","1") = "6"
    & skf21("7","3","4","2","5","1","4","1") = "6"
    & skf21("7","3","4","2","5","1","5","1") = "6"
    & skf21("7","3","4","2","5","1","6","1") = "6"
    & skf21("7","3","4","2","5","1","7","1") = "6"
    & skf21("7","3","4","2","5","2","1","1") = "6"
    & skf21("7","3","4","2","5","2","2","1") = "6"
    & skf21("7","3","4","2","5","2","3","1") = "6"
    & skf21("7","3","4","2","5","2","4","1") = "6"
    & skf21("7","3","4","2","5","2","5","1") = "6"
    & skf21("7","3","4","2","5","2","6","1") = "6"
    & skf21("7","3","4","2","5","2","7","1") = "6"
    & skf21("7","3","4","2","5","3","1","1") = "6"
    & skf21("7","3","4","2","5","3","2","1") = "6"
    & skf21("7","3","4","2","5","3","3","1") = "6"
    & skf21("7","3","4","2","5","3","4","1") = "6"
    & skf21("7","3","4","2","5","3","5","1") = "6"
    & skf21("7","3","4","2","5","3","6","1") = "6"
    & skf21("7","3","4","2","5","3","7","1") = "6"
    & skf21("7","3","4","2","5","4","1","1") = "6"
    & skf21("7","3","4","2","5","4","2","1") = "6"
    & skf21("7","3","4","2","5","4","3","1") = "6"
    & skf21("7","3","4","2","5","4","4","1") = "6"
    & skf21("7","3","4","2","5","4","5","1") = "6"
    & skf21("7","3","4","2","5","4","6","1") = "6"
    & skf21("7","3","4","2","5","4","7","1") = "6"
    & skf21("7","3","4","2","5","5","1","1") = "6"
    & skf21("7","3","4","2","5","5","2","1") = "6"
    & skf21("7","3","4","2","5","5","3","1") = "6"
    & skf21("7","3","4","2","5","5","4","1") = "6"
    & skf21("7","3","4","2","5","5","5","1") = "6"
    & skf21("7","3","4","2","5","5","6","1") = "6"
    & skf21("7","3","4","2","5","5","7","1") = "6"
    & skf21("7","3","4","2","5","6","1","1") = "6"
    & skf21("7","3","4","2","5","6","2","1") = "6"
    & skf21("7","3","4","2","5","6","3","1") = "6"
    & skf21("7","3","4","2","5","6","4","1") = "6"
    & skf21("7","3","4","2","5","6","5","1") = "6"
    & skf21("7","3","4","2","5","6","6","1") = "6"
    & skf21("7","3","4","2","5","6","7","1") = "6"
    & skf21("7","3","4","2","5","7","1","1") = "6"
    & skf21("7","3","4","2","5","7","2","1") = "6"
    & skf21("7","3","4","2","5","7","3","1") = "6"
    & skf21("7","3","4","2","5","7","4","1") = "6"
    & skf21("7","3","4","2","5","7","5","1") = "6"
    & skf21("7","3","4","2","5","7","6","1") = "6"
    & skf21("7","3","4","2","5","7","7","1") = "6"
    & skf21("7","3","4","2","6","1","1","1") = "6"
    & skf21("7","3","4","2","6","1","2","1") = "6"
    & skf21("7","3","4","2","6","1","3","1") = "6"
    & skf21("7","3","4","2","6","1","4","1") = "6"
    & skf21("7","3","4","2","6","1","5","1") = "6"
    & skf21("7","3","4","2","6","1","6","1") = "6"
    & skf21("7","3","4","2","6","1","7","1") = "6"
    & skf21("7","3","4","2","6","2","1","1") = "6"
    & skf21("7","3","4","2","6","2","2","1") = "6"
    & skf21("7","3","4","2","6","2","3","1") = "6"
    & skf21("7","3","4","2","6","2","4","1") = "6"
    & skf21("7","3","4","2","6","2","5","1") = "6"
    & skf21("7","3","4","2","6","2","6","1") = "6"
    & skf21("7","3","4","2","6","2","7","1") = "6"
    & skf21("7","3","4","2","6","3","1","1") = "6"
    & skf21("7","3","4","2","6","3","2","1") = "6"
    & skf21("7","3","4","2","6","3","3","1") = "6"
    & skf21("7","3","4","2","6","3","4","1") = "6"
    & skf21("7","3","4","2","6","3","5","1") = "6"
    & skf21("7","3","4","2","6","3","6","1") = "6"
    & skf21("7","3","4","2","6","3","7","1") = "6"
    & skf21("7","3","4","2","6","4","1","1") = "6"
    & skf21("7","3","4","2","6","4","2","1") = "6"
    & skf21("7","3","4","2","6","4","3","1") = "6"
    & skf21("7","3","4","2","6","4","4","1") = "6"
    & skf21("7","3","4","2","6","4","5","1") = "6"
    & skf21("7","3","4","2","6","4","6","1") = "6"
    & skf21("7","3","4","2","6","4","7","1") = "6"
    & skf21("7","3","4","2","6","5","1","1") = "6"
    & skf21("7","3","4","2","6","5","2","1") = "6"
    & skf21("7","3","4","2","6","5","3","1") = "6"
    & skf21("7","3","4","2","6","5","4","1") = "6"
    & skf21("7","3","4","2","6","5","5","1") = "6"
    & skf21("7","3","4","2","6","5","6","1") = "6"
    & skf21("7","3","4","2","6","5","7","1") = "6"
    & skf21("7","3","4","2","6","6","1","1") = "6"
    & skf21("7","3","4","2","6","6","2","1") = "6"
    & skf21("7","3","4","2","6","6","3","1") = "6"
    & skf21("7","3","4","2","6","6","4","1") = "6"
    & skf21("7","3","4","2","6","6","5","1") = "6"
    & skf21("7","3","4","2","6","6","6","1") = "6"
    & skf21("7","3","4","2","6","6","7","1") = "6"
    & skf21("7","3","4","2","6","7","1","1") = "6"
    & skf21("7","3","4","2","6","7","2","1") = "6"
    & skf21("7","3","4","2","6","7","3","1") = "6"
    & skf21("7","3","4","2","6","7","4","1") = "6"
    & skf21("7","3","4","2","6","7","5","1") = "6"
    & skf21("7","3","4","2","6","7","6","1") = "6"
    & skf21("7","3","4","2","6","7","7","1") = "6"
    & skf21("7","3","4","2","7","1","1","1") = "6"
    & skf21("7","3","4","2","7","1","2","1") = "6"
    & skf21("7","3","4","2","7","1","3","1") = "6"
    & skf21("7","3","4","2","7","1","4","1") = "6"
    & skf21("7","3","4","2","7","1","5","1") = "6"
    & skf21("7","3","4","2","7","1","6","1") = "6"
    & skf21("7","3","4","2","7","1","7","1") = "6"
    & skf21("7","3","4","2","7","2","1","1") = "6"
    & skf21("7","3","4","2","7","2","2","1") = "6"
    & skf21("7","3","4","2","7","2","3","1") = "6"
    & skf21("7","3","4","2","7","2","4","1") = "6"
    & skf21("7","3","4","2","7","2","5","1") = "6"
    & skf21("7","3","4","2","7","2","6","1") = "6"
    & skf21("7","3","4","2","7","2","7","1") = "6"
    & skf21("7","3","4","2","7","3","1","1") = "6"
    & skf21("7","3","4","2","7","3","2","1") = "6"
    & skf21("7","3","4","2","7","3","3","1") = "6"
    & skf21("7","3","4","2","7","3","4","1") = "6"
    & skf21("7","3","4","2","7","3","5","1") = "6"
    & skf21("7","3","4","2","7","3","6","1") = "6"
    & skf21("7","3","4","2","7","3","7","1") = "6"
    & skf21("7","3","4","2","7","4","1","1") = "6"
    & skf21("7","3","4","2","7","4","2","1") = "6"
    & skf21("7","3","4","2","7","4","3","1") = "6"
    & skf21("7","3","4","2","7","4","4","1") = "6"
    & skf21("7","3","4","2","7","4","5","1") = "6"
    & skf21("7","3","4","2","7","4","6","1") = "6"
    & skf21("7","3","4","2","7","4","7","1") = "6"
    & skf21("7","3","4","2","7","5","1","1") = "6"
    & skf21("7","3","4","2","7","5","2","1") = "6"
    & skf21("7","3","4","2","7","5","3","1") = "6"
    & skf21("7","3","4","2","7","5","4","1") = "6"
    & skf21("7","3","4","2","7","5","5","1") = "6"
    & skf21("7","3","4","2","7","5","6","1") = "6"
    & skf21("7","3","4","2","7","5","7","1") = "6"
    & skf21("7","3","4","2","7","6","1","1") = "6"
    & skf21("7","3","4","2","7","6","2","1") = "6"
    & skf21("7","3","4","2","7","6","3","1") = "6"
    & skf21("7","3","4","2","7","6","4","1") = "6"
    & skf21("7","3","4","2","7","6","5","1") = "6"
    & skf21("7","3","4","2","7","6","6","1") = "6"
    & skf21("7","3","4","2","7","6","7","1") = "6"
    & skf21("7","3","4","2","7","7","1","1") = "6"
    & skf21("7","3","4","2","7","7","2","1") = "6"
    & skf21("7","3","4","2","7","7","3","1") = "6"
    & skf21("7","3","4","2","7","7","4","1") = "6"
    & skf21("7","3","4","2","7","7","5","1") = "6"
    & skf21("7","3","4","2","7","7","6","1") = "6"
    & skf21("7","3","4","2","7","7","7","1") = "6"
    & skf21("7","3","4","3","1","1","1","1") = "6"
    & skf21("7","3","4","3","1","1","2","1") = "6"
    & skf21("7","3","4","3","1","1","3","1") = "6"
    & skf21("7","3","4","3","1","1","4","1") = "6"
    & skf21("7","3","4","3","1","1","5","1") = "6"
    & skf21("7","3","4","3","1","1","6","1") = "6"
    & skf21("7","3","4","3","1","1","7","1") = "6"
    & skf21("7","3","4","3","1","2","1","1") = "6"
    & skf21("7","3","4","3","1","2","2","1") = "6"
    & skf21("7","3","4","3","1","2","3","1") = "6"
    & skf21("7","3","4","3","1","2","4","1") = "6"
    & skf21("7","3","4","3","1","2","5","1") = "6"
    & skf21("7","3","4","3","1","2","6","1") = "6"
    & skf21("7","3","4","3","1","2","7","1") = "6"
    & skf21("7","3","4","3","1","3","1","1") = "6"
    & skf21("7","3","4","3","1","3","2","1") = "6"
    & skf21("7","3","4","3","1","3","3","1") = "6"
    & skf21("7","3","4","3","1","3","4","1") = "6"
    & skf21("7","3","4","3","1","3","5","1") = "6"
    & skf21("7","3","4","3","1","3","6","1") = "6"
    & skf21("7","3","4","3","1","3","7","1") = "6"
    & skf21("7","3","4","3","1","4","1","1") = "6"
    & skf21("7","3","4","3","1","4","2","1") = "6"
    & skf21("7","3","4","3","1","4","3","1") = "6"
    & skf21("7","3","4","3","1","4","4","1") = "6"
    & skf21("7","3","4","3","1","4","5","1") = "6"
    & skf21("7","3","4","3","1","4","6","1") = "6"
    & skf21("7","3","4","3","1","4","7","1") = "6"
    & skf21("7","3","4","3","1","5","1","1") = "6"
    & skf21("7","3","4","3","1","5","2","1") = "6"
    & skf21("7","3","4","3","1","5","3","1") = "6"
    & skf21("7","3","4","3","1","5","4","1") = "6"
    & skf21("7","3","4","3","1","5","5","1") = "6"
    & skf21("7","3","4","3","1","5","6","1") = "6"
    & skf21("7","3","4","3","1","5","7","1") = "6"
    & skf21("7","3","4","3","1","6","1","1") = "6"
    & skf21("7","3","4","3","1","6","2","1") = "6"
    & skf21("7","3","4","3","1","6","3","1") = "6"
    & skf21("7","3","4","3","1","6","4","1") = "6"
    & skf21("7","3","4","3","1","6","5","1") = "6"
    & skf21("7","3","4","3","1","6","6","1") = "6"
    & skf21("7","3","4","3","1","6","7","1") = "6"
    & skf21("7","3","4","3","1","7","1","1") = "6"
    & skf21("7","3","4","3","1","7","2","1") = "6"
    & skf21("7","3","4","3","1","7","3","1") = "6"
    & skf21("7","3","4","3","1","7","4","1") = "6"
    & skf21("7","3","4","3","1","7","5","1") = "6"
    & skf21("7","3","4","3","1","7","6","1") = "6"
    & skf21("7","3","4","3","1","7","7","1") = "6"
    & skf21("7","3","4","3","2","1","1","1") = "6"
    & skf21("7","3","4","3","2","1","2","1") = "6"
    & skf21("7","3","4","3","2","1","3","1") = "6"
    & skf21("7","3","4","3","2","1","4","1") = "6"
    & skf21("7","3","4","3","2","1","5","1") = "6"
    & skf21("7","3","4","3","2","1","6","1") = "6"
    & skf21("7","3","4","3","2","1","7","1") = "6"
    & skf21("7","3","4","3","2","2","1","1") = "6"
    & skf21("7","3","4","3","2","2","2","1") = "6"
    & skf21("7","3","4","3","2","2","3","1") = "6"
    & skf21("7","3","4","3","2","2","4","1") = "6"
    & skf21("7","3","4","3","2","2","5","1") = "6"
    & skf21("7","3","4","3","2","2","6","1") = "6"
    & skf21("7","3","4","3","2","2","7","1") = "6"
    & skf21("7","3","4","3","2","3","1","1") = "6"
    & skf21("7","3","4","3","2","3","2","1") = "6"
    & skf21("7","3","4","3","2","3","3","1") = "6"
    & skf21("7","3","4","3","2","3","4","1") = "6"
    & skf21("7","3","4","3","2","3","5","1") = "6"
    & skf21("7","3","4","3","2","3","6","1") = "6"
    & skf21("7","3","4","3","2","3","7","1") = "6"
    & skf21("7","3","4","3","2","4","1","1") = "6"
    & skf21("7","3","4","3","2","4","2","1") = "6"
    & skf21("7","3","4","3","2","4","3","1") = "6"
    & skf21("7","3","4","3","2","4","4","1") = "6"
    & skf21("7","3","4","3","2","4","5","1") = "6"
    & skf21("7","3","4","3","2","4","6","1") = "6"
    & skf21("7","3","4","3","2","4","7","1") = "6"
    & skf21("7","3","4","3","2","5","1","1") = "6"
    & skf21("7","3","4","3","2","5","2","1") = "6"
    & skf21("7","3","4","3","2","5","3","1") = "6"
    & skf21("7","3","4","3","2","5","4","1") = "6"
    & skf21("7","3","4","3","2","5","5","1") = "6"
    & skf21("7","3","4","3","2","5","6","1") = "6"
    & skf21("7","3","4","3","2","5","7","1") = "6"
    & skf21("7","3","4","3","2","6","1","1") = "6"
    & skf21("7","3","4","3","2","6","2","1") = "6"
    & skf21("7","3","4","3","2","6","3","1") = "6"
    & skf21("7","3","4","3","2","6","4","1") = "6"
    & skf21("7","3","4","3","2","6","5","1") = "6"
    & skf21("7","3","4","3","2","6","6","1") = "6"
    & skf21("7","3","4","3","2","6","7","1") = "6"
    & skf21("7","3","4","3","2","7","1","1") = "6"
    & skf21("7","3","4","3","2","7","2","1") = "6"
    & skf21("7","3","4","3","2","7","3","1") = "6"
    & skf21("7","3","4","3","2","7","4","1") = "6"
    & skf21("7","3","4","3","2","7","5","1") = "6"
    & skf21("7","3","4","3","2","7","6","1") = "6"
    & skf21("7","3","4","3","2","7","7","1") = "6"
    & skf21("7","3","4","3","3","1","1","1") = "6"
    & skf21("7","3","4","3","3","1","2","1") = "6"
    & skf21("7","3","4","3","3","1","3","1") = "6"
    & skf21("7","3","4","3","3","1","4","1") = "6"
    & skf21("7","3","4","3","3","1","5","1") = "6"
    & skf21("7","3","4","3","3","1","6","1") = "6"
    & skf21("7","3","4","3","3","1","7","1") = "6"
    & skf21("7","3","4","3","3","2","1","1") = "6"
    & skf21("7","3","4","3","3","2","2","1") = "6"
    & skf21("7","3","4","3","3","2","3","1") = "6"
    & skf21("7","3","4","3","3","2","4","1") = "6"
    & skf21("7","3","4","3","3","2","5","1") = "6"
    & skf21("7","3","4","3","3","2","6","1") = "6"
    & skf21("7","3","4","3","3","2","7","1") = "6"
    & skf21("7","3","4","3","3","3","1","1") = "6"
    & skf21("7","3","4","3","3","3","2","1") = "6"
    & skf21("7","3","4","3","3","3","3","1") = "6"
    & skf21("7","3","4","3","3","3","4","1") = "6"
    & skf21("7","3","4","3","3","3","5","1") = "6"
    & skf21("7","3","4","3","3","3","6","1") = "6"
    & skf21("7","3","4","3","3","3","7","1") = "6"
    & skf21("7","3","4","3","3","4","1","1") = "6"
    & skf21("7","3","4","3","3","4","2","1") = "6"
    & skf21("7","3","4","3","3","4","3","1") = "6"
    & skf21("7","3","4","3","3","4","4","1") = "6"
    & skf21("7","3","4","3","3","4","5","1") = "6"
    & skf21("7","3","4","3","3","4","6","1") = "6"
    & skf21("7","3","4","3","3","4","7","1") = "6"
    & skf21("7","3","4","3","3","5","1","1") = "6"
    & skf21("7","3","4","3","3","5","2","1") = "6"
    & skf21("7","3","4","3","3","5","3","1") = "6"
    & skf21("7","3","4","3","3","5","4","1") = "6"
    & skf21("7","3","4","3","3","5","5","1") = "6"
    & skf21("7","3","4","3","3","5","6","1") = "6"
    & skf21("7","3","4","3","3","5","7","1") = "6"
    & skf21("7","3","4","3","3","6","1","1") = "6"
    & skf21("7","3","4","3","3","6","2","1") = "6"
    & skf21("7","3","4","3","3","6","3","1") = "6"
    & skf21("7","3","4","3","3","6","4","1") = "6"
    & skf21("7","3","4","3","3","6","5","1") = "6"
    & skf21("7","3","4","3","3","6","6","1") = "6"
    & skf21("7","3","4","3","3","6","7","1") = "6"
    & skf21("7","3","4","3","3","7","1","1") = "6"
    & skf21("7","3","4","3","3","7","2","1") = "6"
    & skf21("7","3","4","3","3","7","3","1") = "6"
    & skf21("7","3","4","3","3","7","4","1") = "6"
    & skf21("7","3","4","3","3","7","5","1") = "6"
    & skf21("7","3","4","3","3","7","6","1") = "6"
    & skf21("7","3","4","3","3","7","7","1") = "6"
    & skf21("7","3","4","3","4","1","1","1") = "6"
    & skf21("7","3","4","3","4","1","2","1") = "6"
    & skf21("7","3","4","3","4","1","3","1") = "6"
    & skf21("7","3","4","3","4","1","4","1") = "6"
    & skf21("7","3","4","3","4","1","5","1") = "6"
    & skf21("7","3","4","3","4","1","6","1") = "6"
    & skf21("7","3","4","3","4","1","7","1") = "6"
    & skf21("7","3","4","3","4","2","1","1") = "6"
    & skf21("7","3","4","3","4","2","2","1") = "6"
    & skf21("7","3","4","3","4","2","3","1") = "6"
    & skf21("7","3","4","3","4","2","4","1") = "6"
    & skf21("7","3","4","3","4","2","5","1") = "6"
    & skf21("7","3","4","3","4","2","6","1") = "6"
    & skf21("7","3","4","3","4","2","7","1") = "6"
    & skf21("7","3","4","3","4","3","1","1") = "6"
    & skf21("7","3","4","3","4","3","2","1") = "6"
    & skf21("7","3","4","3","4","3","3","1") = "6"
    & skf21("7","3","4","3","4","3","4","1") = "6"
    & skf21("7","3","4","3","4","3","5","1") = "6"
    & skf21("7","3","4","3","4","3","6","1") = "6"
    & skf21("7","3","4","3","4","3","7","1") = "6"
    & skf21("7","3","4","3","4","4","1","1") = "6"
    & skf21("7","3","4","3","4","4","2","1") = "6"
    & skf21("7","3","4","3","4","4","3","1") = "6"
    & skf21("7","3","4","3","4","4","4","1") = "6"
    & skf21("7","3","4","3","4","4","5","1") = "6"
    & skf21("7","3","4","3","4","4","6","1") = "6"
    & skf21("7","3","4","3","4","4","7","1") = "6"
    & skf21("7","3","4","3","4","5","1","1") = "6"
    & skf21("7","3","4","3","4","5","2","1") = "6"
    & skf21("7","3","4","3","4","5","3","1") = "6"
    & skf21("7","3","4","3","4","5","4","1") = "6"
    & skf21("7","3","4","3","4","5","5","1") = "6"
    & skf21("7","3","4","3","4","5","6","1") = "6"
    & skf21("7","3","4","3","4","5","7","1") = "6"
    & skf21("7","3","4","3","4","6","1","1") = "6"
    & skf21("7","3","4","3","4","6","2","1") = "6"
    & skf21("7","3","4","3","4","6","3","1") = "6"
    & skf21("7","3","4","3","4","6","4","1") = "6"
    & skf21("7","3","4","3","4","6","5","1") = "6"
    & skf21("7","3","4","3","4","6","6","1") = "6"
    & skf21("7","3","4","3","4","6","7","1") = "6"
    & skf21("7","3","4","3","4","7","1","1") = "6"
    & skf21("7","3","4","3","4","7","2","1") = "6"
    & skf21("7","3","4","3","4","7","3","1") = "6"
    & skf21("7","3","4","3","4","7","4","1") = "6"
    & skf21("7","3","4","3","4","7","5","1") = "6"
    & skf21("7","3","4","3","4","7","6","1") = "6"
    & skf21("7","3","4","3","4","7","7","1") = "6"
    & skf21("7","3","4","3","5","1","1","1") = "6"
    & skf21("7","3","4","3","5","1","2","1") = "6"
    & skf21("7","3","4","3","5","1","3","1") = "6"
    & skf21("7","3","4","3","5","1","4","1") = "6"
    & skf21("7","3","4","3","5","1","5","1") = "6"
    & skf21("7","3","4","3","5","1","6","1") = "6"
    & skf21("7","3","4","3","5","1","7","1") = "6"
    & skf21("7","3","4","3","5","2","1","1") = "6"
    & skf21("7","3","4","3","5","2","2","1") = "6"
    & skf21("7","3","4","3","5","2","3","1") = "6"
    & skf21("7","3","4","3","5","2","4","1") = "6"
    & skf21("7","3","4","3","5","2","5","1") = "6"
    & skf21("7","3","4","3","5","2","6","1") = "6"
    & skf21("7","3","4","3","5","2","7","1") = "6"
    & skf21("7","3","4","3","5","3","1","1") = "6"
    & skf21("7","3","4","3","5","3","2","1") = "6"
    & skf21("7","3","4","3","5","3","3","1") = "6"
    & skf21("7","3","4","3","5","3","4","1") = "6"
    & skf21("7","3","4","3","5","3","5","1") = "6"
    & skf21("7","3","4","3","5","3","6","1") = "6"
    & skf21("7","3","4","3","5","3","7","1") = "6"
    & skf21("7","3","4","3","5","4","1","1") = "6"
    & skf21("7","3","4","3","5","4","2","1") = "6"
    & skf21("7","3","4","3","5","4","3","1") = "6"
    & skf21("7","3","4","3","5","4","4","1") = "6"
    & skf21("7","3","4","3","5","4","5","1") = "6"
    & skf21("7","3","4","3","5","4","6","1") = "6"
    & skf21("7","3","4","3","5","4","7","1") = "6"
    & skf21("7","3","4","3","5","5","1","1") = "6"
    & skf21("7","3","4","3","5","5","2","1") = "6"
    & skf21("7","3","4","3","5","5","3","1") = "6"
    & skf21("7","3","4","3","5","5","4","1") = "6"
    & skf21("7","3","4","3","5","5","5","1") = "6"
    & skf21("7","3","4","3","5","5","6","1") = "6"
    & skf21("7","3","4","3","5","5","7","1") = "6"
    & skf21("7","3","4","3","5","6","1","1") = "6"
    & skf21("7","3","4","3","5","6","2","1") = "6"
    & skf21("7","3","4","3","5","6","3","1") = "6"
    & skf21("7","3","4","3","5","6","4","1") = "6"
    & skf21("7","3","4","3","5","6","5","1") = "6"
    & skf21("7","3","4","3","5","6","6","1") = "6"
    & skf21("7","3","4","3","5","6","7","1") = "6"
    & skf21("7","3","4","3","5","7","1","1") = "6"
    & skf21("7","3","4","3","5","7","2","1") = "6"
    & skf21("7","3","4","3","5","7","3","1") = "6"
    & skf21("7","3","4","3","5","7","4","1") = "6"
    & skf21("7","3","4","3","5","7","5","1") = "6"
    & skf21("7","3","4","3","5","7","6","1") = "6"
    & skf21("7","3","4","3","5","7","7","1") = "6"
    & skf21("7","3","4","3","6","1","1","1") = "6"
    & skf21("7","3","4","3","6","1","2","1") = "6"
    & skf21("7","3","4","3","6","1","3","1") = "6"
    & skf21("7","3","4","3","6","1","4","1") = "6"
    & skf21("7","3","4","3","6","1","5","1") = "6"
    & skf21("7","3","4","3","6","1","6","1") = "6"
    & skf21("7","3","4","3","6","1","7","1") = "6"
    & skf21("7","3","4","3","6","2","1","1") = "6"
    & skf21("7","3","4","3","6","2","2","1") = "6"
    & skf21("7","3","4","3","6","2","3","1") = "6"
    & skf21("7","3","4","3","6","2","4","1") = "6"
    & skf21("7","3","4","3","6","2","5","1") = "6"
    & skf21("7","3","4","3","6","2","6","1") = "6"
    & skf21("7","3","4","3","6","2","7","1") = "6"
    & skf21("7","3","4","3","6","3","1","1") = "6"
    & skf21("7","3","4","3","6","3","2","1") = "6"
    & skf21("7","3","4","3","6","3","3","1") = "6"
    & skf21("7","3","4","3","6","3","4","1") = "6"
    & skf21("7","3","4","3","6","3","5","1") = "6"
    & skf21("7","3","4","3","6","3","6","1") = "6"
    & skf21("7","3","4","3","6","3","7","1") = "6"
    & skf21("7","3","4","3","6","4","1","1") = "6"
    & skf21("7","3","4","3","6","4","2","1") = "6"
    & skf21("7","3","4","3","6","4","3","1") = "6"
    & skf21("7","3","4","3","6","4","4","1") = "6"
    & skf21("7","3","4","3","6","4","5","1") = "6"
    & skf21("7","3","4","3","6","4","6","1") = "6"
    & skf21("7","3","4","3","6","4","7","1") = "6"
    & skf21("7","3","4","3","6","5","1","1") = "6"
    & skf21("7","3","4","3","6","5","2","1") = "6"
    & skf21("7","3","4","3","6","5","3","1") = "6"
    & skf21("7","3","4","3","6","5","4","1") = "6"
    & skf21("7","3","4","3","6","5","5","1") = "6"
    & skf21("7","3","4","3","6","5","6","1") = "6"
    & skf21("7","3","4","3","6","5","7","1") = "6"
    & skf21("7","3","4","3","6","6","1","1") = "6"
    & skf21("7","3","4","3","6","6","2","1") = "6"
    & skf21("7","3","4","3","6","6","3","1") = "6"
    & skf21("7","3","4","3","6","6","4","1") = "6"
    & skf21("7","3","4","3","6","6","5","1") = "6"
    & skf21("7","3","4","3","6","6","6","1") = "6"
    & skf21("7","3","4","3","6","6","7","1") = "6"
    & skf21("7","3","4","3","6","7","1","1") = "6"
    & skf21("7","3","4","3","6","7","2","1") = "6"
    & skf21("7","3","4","3","6","7","3","1") = "6"
    & skf21("7","3","4","3","6","7","4","1") = "6"
    & skf21("7","3","4","3","6","7","5","1") = "6"
    & skf21("7","3","4","3","6","7","6","1") = "6"
    & skf21("7","3","4","3","6","7","7","1") = "6"
    & skf21("7","3","4","3","7","1","1","1") = "6"
    & skf21("7","3","4","3","7","1","2","1") = "6"
    & skf21("7","3","4","3","7","1","3","1") = "6"
    & skf21("7","3","4","3","7","1","4","1") = "6"
    & skf21("7","3","4","3","7","1","5","1") = "6"
    & skf21("7","3","4","3","7","1","6","1") = "6"
    & skf21("7","3","4","3","7","1","7","1") = "6"
    & skf21("7","3","4","3","7","2","1","1") = "6"
    & skf21("7","3","4","3","7","2","2","1") = "6"
    & skf21("7","3","4","3","7","2","3","1") = "6"
    & skf21("7","3","4","3","7","2","4","1") = "6"
    & skf21("7","3","4","3","7","2","5","1") = "6"
    & skf21("7","3","4","3","7","2","6","1") = "6"
    & skf21("7","3","4","3","7","2","7","1") = "6"
    & skf21("7","3","4","3","7","3","1","1") = "6"
    & skf21("7","3","4","3","7","3","2","1") = "6"
    & skf21("7","3","4","3","7","3","3","1") = "6"
    & skf21("7","3","4","3","7","3","4","1") = "6"
    & skf21("7","3","4","3","7","3","5","1") = "6"
    & skf21("7","3","4","3","7","3","6","1") = "6"
    & skf21("7","3","4","3","7","3","7","1") = "6"
    & skf21("7","3","4","3","7","4","1","1") = "6"
    & skf21("7","3","4","3","7","4","2","1") = "6"
    & skf21("7","3","4","3","7","4","3","1") = "6"
    & skf21("7","3","4","3","7","4","4","1") = "6"
    & skf21("7","3","4","3","7","4","5","1") = "6"
    & skf21("7","3","4","3","7","4","6","1") = "6"
    & skf21("7","3","4","3","7","4","7","1") = "6"
    & skf21("7","3","4","3","7","5","1","1") = "6"
    & skf21("7","3","4","3","7","5","2","1") = "6"
    & skf21("7","3","4","3","7","5","3","1") = "6"
    & skf21("7","3","4","3","7","5","4","1") = "6"
    & skf21("7","3","4","3","7","5","5","1") = "6"
    & skf21("7","3","4","3","7","5","6","1") = "6"
    & skf21("7","3","4","3","7","5","7","1") = "6"
    & skf21("7","3","4","3","7","6","1","1") = "6"
    & skf21("7","3","4","3","7","6","2","1") = "6"
    & skf21("7","3","4","3","7","6","3","1") = "6"
    & skf21("7","3","4","3","7","6","4","1") = "6"
    & skf21("7","3","4","3","7","6","5","1") = "6"
    & skf21("7","3","4","3","7","6","6","1") = "6"
    & skf21("7","3","4","3","7","6","7","1") = "6"
    & skf21("7","3","4","3","7","7","1","1") = "6"
    & skf21("7","3","4","3","7","7","2","1") = "6"
    & skf21("7","3","4","3","7","7","3","1") = "6"
    & skf21("7","3","4","3","7","7","4","1") = "6"
    & skf21("7","3","4","3","7","7","5","1") = "6"
    & skf21("7","3","4","3","7","7","6","1") = "6"
    & skf21("7","3","4","3","7","7","7","1") = "6"
    & skf21("7","3","4","4","1","1","1","1") = "6"
    & skf21("7","3","4","4","1","1","2","1") = "6"
    & skf21("7","3","4","4","1","1","3","1") = "6"
    & skf21("7","3","4","4","1","1","4","1") = "6"
    & skf21("7","3","4","4","1","1","5","1") = "6"
    & skf21("7","3","4","4","1","1","6","1") = "6"
    & skf21("7","3","4","4","1","1","7","1") = "6"
    & skf21("7","3","4","4","1","2","1","1") = "6"
    & skf21("7","3","4","4","1","2","2","1") = "6"
    & skf21("7","3","4","4","1","2","3","1") = "6"
    & skf21("7","3","4","4","1","2","4","1") = "6"
    & skf21("7","3","4","4","1","2","5","1") = "6"
    & skf21("7","3","4","4","1","2","6","1") = "6"
    & skf21("7","3","4","4","1","2","7","1") = "6"
    & skf21("7","3","4","4","1","3","1","1") = "6"
    & skf21("7","3","4","4","1","3","2","1") = "6"
    & skf21("7","3","4","4","1","3","3","1") = "6"
    & skf21("7","3","4","4","1","3","4","1") = "6"
    & skf21("7","3","4","4","1","3","5","1") = "6"
    & skf21("7","3","4","4","1","3","6","1") = "6"
    & skf21("7","3","4","4","1","3","7","1") = "6"
    & skf21("7","3","4","4","1","4","1","1") = "6"
    & skf21("7","3","4","4","1","4","2","1") = "6"
    & skf21("7","3","4","4","1","4","3","1") = "6"
    & skf21("7","3","4","4","1","4","4","1") = "6"
    & skf21("7","3","4","4","1","4","5","1") = "6"
    & skf21("7","3","4","4","1","4","6","1") = "6"
    & skf21("7","3","4","4","1","4","7","1") = "6"
    & skf21("7","3","4","4","1","5","1","1") = "6"
    & skf21("7","3","4","4","1","5","2","1") = "6"
    & skf21("7","3","4","4","1","5","3","1") = "6"
    & skf21("7","3","4","4","1","5","4","1") = "6"
    & skf21("7","3","4","4","1","5","5","1") = "6"
    & skf21("7","3","4","4","1","5","6","1") = "6"
    & skf21("7","3","4","4","1","5","7","1") = "6"
    & skf21("7","3","4","4","1","6","1","1") = "6"
    & skf21("7","3","4","4","1","6","2","1") = "6"
    & skf21("7","3","4","4","1","6","3","1") = "6"
    & skf21("7","3","4","4","1","6","4","1") = "6"
    & skf21("7","3","4","4","1","6","5","1") = "6"
    & skf21("7","3","4","4","1","6","6","1") = "6"
    & skf21("7","3","4","4","1","6","7","1") = "6"
    & skf21("7","3","4","4","1","7","1","1") = "6"
    & skf21("7","3","4","4","1","7","2","1") = "6"
    & skf21("7","3","4","4","1","7","3","1") = "6"
    & skf21("7","3","4","4","1","7","4","1") = "6"
    & skf21("7","3","4","4","1","7","5","1") = "6"
    & skf21("7","3","4","4","1","7","6","1") = "6"
    & skf21("7","3","4","4","1","7","7","1") = "6"
    & skf21("7","3","4","4","2","1","1","1") = "6"
    & skf21("7","3","4","4","2","1","2","1") = "6"
    & skf21("7","3","4","4","2","1","3","1") = "6"
    & skf21("7","3","4","4","2","1","4","1") = "6"
    & skf21("7","3","4","4","2","1","5","1") = "6"
    & skf21("7","3","4","4","2","1","6","1") = "6"
    & skf21("7","3","4","4","2","1","7","1") = "6"
    & skf21("7","3","4","4","2","2","1","1") = "6"
    & skf21("7","3","4","4","2","2","2","1") = "6"
    & skf21("7","3","4","4","2","2","3","1") = "6"
    & skf21("7","3","4","4","2","2","4","1") = "6"
    & skf21("7","3","4","4","2","2","5","1") = "6"
    & skf21("7","3","4","4","2","2","6","1") = "6"
    & skf21("7","3","4","4","2","2","7","1") = "6"
    & skf21("7","3","4","4","2","3","1","1") = "6"
    & skf21("7","3","4","4","2","3","2","1") = "6"
    & skf21("7","3","4","4","2","3","3","1") = "6"
    & skf21("7","3","4","4","2","3","4","1") = "6"
    & skf21("7","3","4","4","2","3","5","1") = "6"
    & skf21("7","3","4","4","2","3","6","1") = "6"
    & skf21("7","3","4","4","2","3","7","1") = "6"
    & skf21("7","3","4","4","2","4","1","1") = "6"
    & skf21("7","3","4","4","2","4","2","1") = "6"
    & skf21("7","3","4","4","2","4","3","1") = "6"
    & skf21("7","3","4","4","2","4","4","1") = "6"
    & skf21("7","3","4","4","2","4","5","1") = "6"
    & skf21("7","3","4","4","2","4","6","1") = "6"
    & skf21("7","3","4","4","2","4","7","1") = "6"
    & skf21("7","3","4","4","2","5","1","1") = "6"
    & skf21("7","3","4","4","2","5","2","1") = "6"
    & skf21("7","3","4","4","2","5","3","1") = "6"
    & skf21("7","3","4","4","2","5","4","1") = "6"
    & skf21("7","3","4","4","2","5","5","1") = "6"
    & skf21("7","3","4","4","2","5","6","1") = "6"
    & skf21("7","3","4","4","2","5","7","1") = "6"
    & skf21("7","3","4","4","2","6","1","1") = "6"
    & skf21("7","3","4","4","2","6","2","1") = "6"
    & skf21("7","3","4","4","2","6","3","1") = "6"
    & skf21("7","3","4","4","2","6","4","1") = "6"
    & skf21("7","3","4","4","2","6","5","1") = "6"
    & skf21("7","3","4","4","2","6","6","1") = "6"
    & skf21("7","3","4","4","2","6","7","1") = "6"
    & skf21("7","3","4","4","2","7","1","1") = "6"
    & skf21("7","3","4","4","2","7","2","1") = "6"
    & skf21("7","3","4","4","2","7","3","1") = "6"
    & skf21("7","3","4","4","2","7","4","1") = "6"
    & skf21("7","3","4","4","2","7","5","1") = "6"
    & skf21("7","3","4","4","2","7","6","1") = "6"
    & skf21("7","3","4","4","2","7","7","1") = "6"
    & skf21("7","3","4","4","3","1","1","1") = "6"
    & skf21("7","3","4","4","3","1","2","1") = "6"
    & skf21("7","3","4","4","3","1","3","1") = "6"
    & skf21("7","3","4","4","3","1","4","1") = "6"
    & skf21("7","3","4","4","3","1","5","1") = "6"
    & skf21("7","3","4","4","3","1","6","1") = "6"
    & skf21("7","3","4","4","3","1","7","1") = "6"
    & skf21("7","3","4","4","3","2","1","1") = "6"
    & skf21("7","3","4","4","3","2","2","1") = "6"
    & skf21("7","3","4","4","3","2","3","1") = "6"
    & skf21("7","3","4","4","3","2","4","1") = "6"
    & skf21("7","3","4","4","3","2","5","1") = "6"
    & skf21("7","3","4","4","3","2","6","1") = "6"
    & skf21("7","3","4","4","3","2","7","1") = "6"
    & skf21("7","3","4","4","3","3","1","1") = "6"
    & skf21("7","3","4","4","3","3","2","1") = "6"
    & skf21("7","3","4","4","3","3","3","1") = "6"
    & skf21("7","3","4","4","3","3","4","1") = "6"
    & skf21("7","3","4","4","3","3","5","1") = "6"
    & skf21("7","3","4","4","3","3","6","1") = "6"
    & skf21("7","3","4","4","3","3","7","1") = "6"
    & skf21("7","3","4","4","3","4","1","1") = "6"
    & skf21("7","3","4","4","3","4","2","1") = "6"
    & skf21("7","3","4","4","3","4","3","1") = "6"
    & skf21("7","3","4","4","3","4","4","1") = "6"
    & skf21("7","3","4","4","3","4","5","1") = "6"
    & skf21("7","3","4","4","3","4","6","1") = "6"
    & skf21("7","3","4","4","3","4","7","1") = "6"
    & skf21("7","3","4","4","3","5","1","1") = "6"
    & skf21("7","3","4","4","3","5","2","1") = "6"
    & skf21("7","3","4","4","3","5","3","1") = "6"
    & skf21("7","3","4","4","3","5","4","1") = "6"
    & skf21("7","3","4","4","3","5","5","1") = "6"
    & skf21("7","3","4","4","3","5","6","1") = "6"
    & skf21("7","3","4","4","3","5","7","1") = "6"
    & skf21("7","3","4","4","3","6","1","1") = "6"
    & skf21("7","3","4","4","3","6","2","1") = "6"
    & skf21("7","3","4","4","3","6","3","1") = "6"
    & skf21("7","3","4","4","3","6","4","1") = "6"
    & skf21("7","3","4","4","3","6","5","1") = "6"
    & skf21("7","3","4","4","3","6","6","1") = "6"
    & skf21("7","3","4","4","3","6","7","1") = "6"
    & skf21("7","3","4","4","3","7","1","1") = "6"
    & skf21("7","3","4","4","3","7","2","1") = "6"
    & skf21("7","3","4","4","3","7","3","1") = "6"
    & skf21("7","3","4","4","3","7","4","1") = "6"
    & skf21("7","3","4","4","3","7","5","1") = "6"
    & skf21("7","3","4","4","3","7","6","1") = "6"
    & skf21("7","3","4","4","3","7","7","1") = "6"
    & skf21("7","3","4","4","4","1","1","1") = "6"
    & skf21("7","3","4","4","4","1","2","1") = "6"
    & skf21("7","3","4","4","4","1","3","1") = "6"
    & skf21("7","3","4","4","4","1","4","1") = "6"
    & skf21("7","3","4","4","4","1","5","1") = "6"
    & skf21("7","3","4","4","4","1","6","1") = "6"
    & skf21("7","3","4","4","4","1","7","1") = "6"
    & skf21("7","3","4","4","4","2","1","1") = "6"
    & skf21("7","3","4","4","4","2","2","1") = "6"
    & skf21("7","3","4","4","4","2","3","1") = "6"
    & skf21("7","3","4","4","4","2","4","1") = "6"
    & skf21("7","3","4","4","4","2","5","1") = "6"
    & skf21("7","3","4","4","4","2","6","1") = "6"
    & skf21("7","3","4","4","4","2","7","1") = "6"
    & skf21("7","3","4","4","4","3","1","1") = "6"
    & skf21("7","3","4","4","4","3","2","1") = "6"
    & skf21("7","3","4","4","4","3","3","1") = "6"
    & skf21("7","3","4","4","4","3","4","1") = "6"
    & skf21("7","3","4","4","4","3","5","1") = "6"
    & skf21("7","3","4","4","4","3","6","1") = "6"
    & skf21("7","3","4","4","4","3","7","1") = "6"
    & skf21("7","3","4","4","4","4","1","1") = "6"
    & skf21("7","3","4","4","4","4","2","1") = "6"
    & skf21("7","3","4","4","4","4","3","1") = "6"
    & skf21("7","3","4","4","4","4","4","1") = "6"
    & skf21("7","3","4","4","4","4","5","1") = "6"
    & skf21("7","3","4","4","4","4","6","1") = "6"
    & skf21("7","3","4","4","4","4","7","1") = "6"
    & skf21("7","3","4","4","4","5","1","1") = "6"
    & skf21("7","3","4","4","4","5","2","1") = "6"
    & skf21("7","3","4","4","4","5","3","1") = "6"
    & skf21("7","3","4","4","4","5","4","1") = "6"
    & skf21("7","3","4","4","4","5","5","1") = "6"
    & skf21("7","3","4","4","4","5","6","1") = "6"
    & skf21("7","3","4","4","4","5","7","1") = "6"
    & skf21("7","3","4","4","4","6","1","1") = "6"
    & skf21("7","3","4","4","4","6","2","1") = "6"
    & skf21("7","3","4","4","4","6","3","1") = "6"
    & skf21("7","3","4","4","4","6","4","1") = "6"
    & skf21("7","3","4","4","4","6","5","1") = "6"
    & skf21("7","3","4","4","4","6","6","1") = "6"
    & skf21("7","3","4","4","4","6","7","1") = "6"
    & skf21("7","3","4","4","4","7","1","1") = "6"
    & skf21("7","3","4","4","4","7","2","1") = "6"
    & skf21("7","3","4","4","4","7","3","1") = "6"
    & skf21("7","3","4","4","4","7","4","1") = "6"
    & skf21("7","3","4","4","4","7","5","1") = "6"
    & skf21("7","3","4","4","4","7","6","1") = "6"
    & skf21("7","3","4","4","4","7","7","1") = "6"
    & skf21("7","3","4","4","5","1","1","1") = "6"
    & skf21("7","3","4","4","5","1","2","1") = "6"
    & skf21("7","3","4","4","5","1","3","1") = "6"
    & skf21("7","3","4","4","5","1","4","1") = "6"
    & skf21("7","3","4","4","5","1","5","1") = "6"
    & skf21("7","3","4","4","5","1","6","1") = "6"
    & skf21("7","3","4","4","5","1","7","1") = "6"
    & skf21("7","3","4","4","5","2","1","1") = "6"
    & skf21("7","3","4","4","5","2","2","1") = "6"
    & skf21("7","3","4","4","5","2","3","1") = "6"
    & skf21("7","3","4","4","5","2","4","1") = "6"
    & skf21("7","3","4","4","5","2","5","1") = "6"
    & skf21("7","3","4","4","5","2","6","1") = "6"
    & skf21("7","3","4","4","5","2","7","1") = "6"
    & skf21("7","3","4","4","5","3","1","1") = "6"
    & skf21("7","3","4","4","5","3","2","1") = "6"
    & skf21("7","3","4","4","5","3","3","1") = "6"
    & skf21("7","3","4","4","5","3","4","1") = "6"
    & skf21("7","3","4","4","5","3","5","1") = "6"
    & skf21("7","3","4","4","5","3","6","1") = "6"
    & skf21("7","3","4","4","5","3","7","1") = "6"
    & skf21("7","3","4","4","5","4","1","1") = "6"
    & skf21("7","3","4","4","5","4","2","1") = "6"
    & skf21("7","3","4","4","5","4","3","1") = "6"
    & skf21("7","3","4","4","5","4","4","1") = "6"
    & skf21("7","3","4","4","5","4","5","1") = "6"
    & skf21("7","3","4","4","5","4","6","1") = "6"
    & skf21("7","3","4","4","5","4","7","1") = "6"
    & skf21("7","3","4","4","5","5","1","1") = "6"
    & skf21("7","3","4","4","5","5","2","1") = "6"
    & skf21("7","3","4","4","5","5","3","1") = "6"
    & skf21("7","3","4","4","5","5","4","1") = "6"
    & skf21("7","3","4","4","5","5","5","1") = "6"
    & skf21("7","3","4","4","5","5","6","1") = "6"
    & skf21("7","3","4","4","5","5","7","1") = "6"
    & skf21("7","3","4","4","5","6","1","1") = "6"
    & skf21("7","3","4","4","5","6","2","1") = "6"
    & skf21("7","3","4","4","5","6","3","1") = "6"
    & skf21("7","3","4","4","5","6","4","1") = "6"
    & skf21("7","3","4","4","5","6","5","1") = "6"
    & skf21("7","3","4","4","5","6","6","1") = "6"
    & skf21("7","3","4","4","5","6","7","1") = "6"
    & skf21("7","3","4","4","5","7","1","1") = "6"
    & skf21("7","3","4","4","5","7","2","1") = "6"
    & skf21("7","3","4","4","5","7","3","1") = "6"
    & skf21("7","3","4","4","5","7","4","1") = "6"
    & skf21("7","3","4","4","5","7","5","1") = "6"
    & skf21("7","3","4","4","5","7","6","1") = "6"
    & skf21("7","3","4","4","5","7","7","1") = "6"
    & skf21("7","3","4","4","6","1","1","1") = "6"
    & skf21("7","3","4","4","6","1","2","1") = "6"
    & skf21("7","3","4","4","6","1","3","1") = "6"
    & skf21("7","3","4","4","6","1","4","1") = "6"
    & skf21("7","3","4","4","6","1","5","1") = "6"
    & skf21("7","3","4","4","6","1","6","1") = "6"
    & skf21("7","3","4","4","6","1","7","1") = "6"
    & skf21("7","3","4","4","6","2","1","1") = "6"
    & skf21("7","3","4","4","6","2","2","1") = "6"
    & skf21("7","3","4","4","6","2","3","1") = "6"
    & skf21("7","3","4","4","6","2","4","1") = "6"
    & skf21("7","3","4","4","6","2","5","1") = "6"
    & skf21("7","3","4","4","6","2","6","1") = "6"
    & skf21("7","3","4","4","6","2","7","1") = "6"
    & skf21("7","3","4","4","6","3","1","1") = "6"
    & skf21("7","3","4","4","6","3","2","1") = "6"
    & skf21("7","3","4","4","6","3","3","1") = "6"
    & skf21("7","3","4","4","6","3","4","1") = "6"
    & skf21("7","3","4","4","6","3","5","1") = "6"
    & skf21("7","3","4","4","6","3","6","1") = "6"
    & skf21("7","3","4","4","6","3","7","1") = "6"
    & skf21("7","3","4","4","6","4","1","1") = "6"
    & skf21("7","3","4","4","6","4","2","1") = "6"
    & skf21("7","3","4","4","6","4","3","1") = "6"
    & skf21("7","3","4","4","6","4","4","1") = "6"
    & skf21("7","3","4","4","6","4","5","1") = "6"
    & skf21("7","3","4","4","6","4","6","1") = "6"
    & skf21("7","3","4","4","6","4","7","1") = "6"
    & skf21("7","3","4","4","6","5","1","1") = "6"
    & skf21("7","3","4","4","6","5","2","1") = "6"
    & skf21("7","3","4","4","6","5","3","1") = "6"
    & skf21("7","3","4","4","6","5","4","1") = "6"
    & skf21("7","3","4","4","6","5","5","1") = "6"
    & skf21("7","3","4","4","6","5","6","1") = "6"
    & skf21("7","3","4","4","6","5","7","1") = "6"
    & skf21("7","3","4","4","6","6","1","1") = "6"
    & skf21("7","3","4","4","6","6","2","1") = "6"
    & skf21("7","3","4","4","6","6","3","1") = "6"
    & skf21("7","3","4","4","6","6","4","1") = "6"
    & skf21("7","3","4","4","6","6","5","1") = "6"
    & skf21("7","3","4","4","6","6","6","1") = "6"
    & skf21("7","3","4","4","6","6","7","1") = "6"
    & skf21("7","3","4","4","6","7","1","1") = "6"
    & skf21("7","3","4","4","6","7","2","1") = "6"
    & skf21("7","3","4","4","6","7","3","1") = "6"
    & skf21("7","3","4","4","6","7","4","1") = "6"
    & skf21("7","3","4","4","6","7","5","1") = "6"
    & skf21("7","3","4","4","6","7","6","1") = "6"
    & skf21("7","3","4","4","6","7","7","1") = "6"
    & skf21("7","3","4","4","7","1","1","1") = "6"
    & skf21("7","3","4","4","7","1","2","1") = "6"
    & skf21("7","3","4","4","7","1","3","1") = "6"
    & skf21("7","3","4","4","7","1","4","1") = "6"
    & skf21("7","3","4","4","7","1","5","1") = "6"
    & skf21("7","3","4","4","7","1","6","1") = "6"
    & skf21("7","3","4","4","7","1","7","1") = "6"
    & skf21("7","3","4","4","7","2","1","1") = "6"
    & skf21("7","3","4","4","7","2","2","1") = "6"
    & skf21("7","3","4","4","7","2","3","1") = "6"
    & skf21("7","3","4","4","7","2","4","1") = "6"
    & skf21("7","3","4","4","7","2","5","1") = "6"
    & skf21("7","3","4","4","7","2","6","1") = "6"
    & skf21("7","3","4","4","7","2","7","1") = "6"
    & skf21("7","3","4","4","7","3","1","1") = "6"
    & skf21("7","3","4","4","7","3","2","1") = "6"
    & skf21("7","3","4","4","7","3","3","1") = "6"
    & skf21("7","3","4","4","7","3","4","1") = "6"
    & skf21("7","3","4","4","7","3","5","1") = "6"
    & skf21("7","3","4","4","7","3","6","1") = "6"
    & skf21("7","3","4","4","7","3","7","1") = "6"
    & skf21("7","3","4","4","7","4","1","1") = "6"
    & skf21("7","3","4","4","7","4","2","1") = "6"
    & skf21("7","3","4","4","7","4","3","1") = "6"
    & skf21("7","3","4","4","7","4","4","1") = "6"
    & skf21("7","3","4","4","7","4","5","1") = "6"
    & skf21("7","3","4","4","7","4","6","1") = "6"
    & skf21("7","3","4","4","7","4","7","1") = "6"
    & skf21("7","3","4","4","7","5","1","1") = "6"
    & skf21("7","3","4","4","7","5","2","1") = "6"
    & skf21("7","3","4","4","7","5","3","1") = "6"
    & skf21("7","3","4","4","7","5","4","1") = "6"
    & skf21("7","3","4","4","7","5","5","1") = "6"
    & skf21("7","3","4","4","7","5","6","1") = "6"
    & skf21("7","3","4","4","7","5","7","1") = "6"
    & skf21("7","3","4","4","7","6","1","1") = "6"
    & skf21("7","3","4","4","7","6","2","1") = "6"
    & skf21("7","3","4","4","7","6","3","1") = "6"
    & skf21("7","3","4","4","7","6","4","1") = "6"
    & skf21("7","3","4","4","7","6","5","1") = "6"
    & skf21("7","3","4","4","7","6","6","1") = "6"
    & skf21("7","3","4","4","7","6","7","1") = "6"
    & skf21("7","3","4","4","7","7","1","1") = "6"
    & skf21("7","3","4","4","7","7","2","1") = "6"
    & skf21("7","3","4","4","7","7","3","1") = "6"
    & skf21("7","3","4","4","7","7","4","1") = "6"
    & skf21("7","3","4","4","7","7","5","1") = "6"
    & skf21("7","3","4","4","7","7","6","1") = "6"
    & skf21("7","3","4","4","7","7","7","1") = "6"
    & skf21("7","3","4","5","1","1","1","1") = "6"
    & skf21("7","3","4","5","1","1","2","1") = "6"
    & skf21("7","3","4","5","1","1","3","1") = "6"
    & skf21("7","3","4","5","1","1","4","1") = "6"
    & skf21("7","3","4","5","1","1","5","1") = "6"
    & skf21("7","3","4","5","1","1","6","1") = "6"
    & skf21("7","3","4","5","1","1","7","1") = "6"
    & skf21("7","3","4","5","1","2","1","1") = "6"
    & skf21("7","3","4","5","1","2","2","1") = "6"
    & skf21("7","3","4","5","1","2","3","1") = "6"
    & skf21("7","3","4","5","1","2","4","1") = "6"
    & skf21("7","3","4","5","1","2","5","1") = "6"
    & skf21("7","3","4","5","1","2","6","1") = "6"
    & skf21("7","3","4","5","1","2","7","1") = "6"
    & skf21("7","3","4","5","1","3","1","1") = "6"
    & skf21("7","3","4","5","1","3","2","1") = "6"
    & skf21("7","3","4","5","1","3","3","1") = "6"
    & skf21("7","3","4","5","1","3","4","1") = "6"
    & skf21("7","3","4","5","1","3","5","1") = "6"
    & skf21("7","3","4","5","1","3","6","1") = "6"
    & skf21("7","3","4","5","1","3","7","1") = "6"
    & skf21("7","3","4","5","1","4","1","1") = "6"
    & skf21("7","3","4","5","1","4","2","1") = "6"
    & skf21("7","3","4","5","1","4","3","1") = "6"
    & skf21("7","3","4","5","1","4","4","1") = "6"
    & skf21("7","3","4","5","1","4","5","1") = "6"
    & skf21("7","3","4","5","1","4","6","1") = "6"
    & skf21("7","3","4","5","1","4","7","1") = "6"
    & skf21("7","3","4","5","1","5","1","1") = "6"
    & skf21("7","3","4","5","1","5","2","1") = "6"
    & skf21("7","3","4","5","1","5","3","1") = "6"
    & skf21("7","3","4","5","1","5","4","1") = "6"
    & skf21("7","3","4","5","1","5","5","1") = "6"
    & skf21("7","3","4","5","1","5","6","1") = "6"
    & skf21("7","3","4","5","1","5","7","1") = "6"
    & skf21("7","3","4","5","1","6","1","1") = "6"
    & skf21("7","3","4","5","1","6","2","1") = "6"
    & skf21("7","3","4","5","1","6","3","1") = "6"
    & skf21("7","3","4","5","1","6","4","1") = "6"
    & skf21("7","3","4","5","1","6","5","1") = "6"
    & skf21("7","3","4","5","1","6","6","1") = "6"
    & skf21("7","3","4","5","1","6","7","1") = "6"
    & skf21("7","3","4","5","1","7","1","1") = "6"
    & skf21("7","3","4","5","1","7","2","1") = "6"
    & skf21("7","3","4","5","1","7","3","1") = "6"
    & skf21("7","3","4","5","1","7","4","1") = "6"
    & skf21("7","3","4","5","1","7","5","1") = "6"
    & skf21("7","3","4","5","1","7","6","1") = "6"
    & skf21("7","3","4","5","1","7","7","1") = "6"
    & skf21("7","3","4","5","2","1","1","1") = "6"
    & skf21("7","3","4","5","2","1","2","1") = "6"
    & skf21("7","3","4","5","2","1","3","1") = "6"
    & skf21("7","3","4","5","2","1","4","1") = "6"
    & skf21("7","3","4","5","2","1","5","1") = "6"
    & skf21("7","3","4","5","2","1","6","1") = "6"
    & skf21("7","3","4","5","2","1","7","1") = "6"
    & skf21("7","3","4","5","2","2","1","1") = "6"
    & skf21("7","3","4","5","2","2","2","1") = "6"
    & skf21("7","3","4","5","2","2","3","1") = "6"
    & skf21("7","3","4","5","2","2","4","1") = "6"
    & skf21("7","3","4","5","2","2","5","1") = "6"
    & skf21("7","3","4","5","2","2","6","1") = "6"
    & skf21("7","3","4","5","2","2","7","1") = "6"
    & skf21("7","3","4","5","2","3","1","1") = "6"
    & skf21("7","3","4","5","2","3","2","1") = "6"
    & skf21("7","3","4","5","2","3","3","1") = "6"
    & skf21("7","3","4","5","2","3","4","1") = "6"
    & skf21("7","3","4","5","2","3","5","1") = "6"
    & skf21("7","3","4","5","2","3","6","1") = "6"
    & skf21("7","3","4","5","2","3","7","1") = "6"
    & skf21("7","3","4","5","2","4","1","1") = "6"
    & skf21("7","3","4","5","2","4","2","1") = "6"
    & skf21("7","3","4","5","2","4","3","1") = "6"
    & skf21("7","3","4","5","2","4","4","1") = "6"
    & skf21("7","3","4","5","2","4","5","1") = "6"
    & skf21("7","3","4","5","2","4","6","1") = "6"
    & skf21("7","3","4","5","2","4","7","1") = "6"
    & skf21("7","3","4","5","2","5","1","1") = "6"
    & skf21("7","3","4","5","2","5","2","1") = "6"
    & skf21("7","3","4","5","2","5","3","1") = "6"
    & skf21("7","3","4","5","2","5","4","1") = "6"
    & skf21("7","3","4","5","2","5","5","1") = "6"
    & skf21("7","3","4","5","2","5","6","1") = "6"
    & skf21("7","3","4","5","2","5","7","1") = "6"
    & skf21("7","3","4","5","2","6","1","1") = "6"
    & skf21("7","3","4","5","2","6","2","1") = "6"
    & skf21("7","3","4","5","2","6","3","1") = "6"
    & skf21("7","3","4","5","2","6","4","1") = "6"
    & skf21("7","3","4","5","2","6","5","1") = "6"
    & skf21("7","3","4","5","2","6","6","1") = "6"
    & skf21("7","3","4","5","2","6","7","1") = "6"
    & skf21("7","3","4","5","2","7","1","1") = "6"
    & skf21("7","3","4","5","2","7","2","1") = "6"
    & skf21("7","3","4","5","2","7","3","1") = "6"
    & skf21("7","3","4","5","2","7","4","1") = "6"
    & skf21("7","3","4","5","2","7","5","1") = "6"
    & skf21("7","3","4","5","2","7","6","1") = "6"
    & skf21("7","3","4","5","2","7","7","1") = "6"
    & skf21("7","3","4","5","3","1","1","1") = "6"
    & skf21("7","3","4","5","3","1","2","1") = "6"
    & skf21("7","3","4","5","3","1","3","1") = "6"
    & skf21("7","3","4","5","3","1","4","1") = "6"
    & skf21("7","3","4","5","3","1","5","1") = "6"
    & skf21("7","3","4","5","3","1","6","1") = "6"
    & skf21("7","3","4","5","3","1","7","1") = "6"
    & skf21("7","3","4","5","3","2","1","1") = "6"
    & skf21("7","3","4","5","3","2","2","1") = "6"
    & skf21("7","3","4","5","3","2","3","1") = "6"
    & skf21("7","3","4","5","3","2","4","1") = "6"
    & skf21("7","3","4","5","3","2","5","1") = "6"
    & skf21("7","3","4","5","3","2","6","1") = "6"
    & skf21("7","3","4","5","3","2","7","1") = "6"
    & skf21("7","3","4","5","3","3","1","1") = "6"
    & skf21("7","3","4","5","3","3","2","1") = "6"
    & skf21("7","3","4","5","3","3","3","1") = "6"
    & skf21("7","3","4","5","3","3","4","1") = "6"
    & skf21("7","3","4","5","3","3","5","1") = "6"
    & skf21("7","3","4","5","3","3","6","1") = "6"
    & skf21("7","3","4","5","3","3","7","1") = "6"
    & skf21("7","3","4","5","3","4","1","1") = "6"
    & skf21("7","3","4","5","3","4","2","1") = "6"
    & skf21("7","3","4","5","3","4","3","1") = "6"
    & skf21("7","3","4","5","3","4","4","1") = "6"
    & skf21("7","3","4","5","3","4","5","1") = "6"
    & skf21("7","3","4","5","3","4","6","1") = "6"
    & skf21("7","3","4","5","3","4","7","1") = "6"
    & skf21("7","3","4","5","3","5","1","1") = "6"
    & skf21("7","3","4","5","3","5","2","1") = "6"
    & skf21("7","3","4","5","3","5","3","1") = "6"
    & skf21("7","3","4","5","3","5","4","1") = "6"
    & skf21("7","3","4","5","3","5","5","1") = "6"
    & skf21("7","3","4","5","3","5","6","1") = "6"
    & skf21("7","3","4","5","3","5","7","1") = "6"
    & skf21("7","3","4","5","3","6","1","1") = "6"
    & skf21("7","3","4","5","3","6","2","1") = "6"
    & skf21("7","3","4","5","3","6","3","1") = "6"
    & skf21("7","3","4","5","3","6","4","1") = "6"
    & skf21("7","3","4","5","3","6","5","1") = "6"
    & skf21("7","3","4","5","3","6","6","1") = "6"
    & skf21("7","3","4","5","3","6","7","1") = "6"
    & skf21("7","3","4","5","3","7","1","1") = "6"
    & skf21("7","3","4","5","3","7","2","1") = "6"
    & skf21("7","3","4","5","3","7","3","1") = "6"
    & skf21("7","3","4","5","3","7","4","1") = "6"
    & skf21("7","3","4","5","3","7","5","1") = "6"
    & skf21("7","3","4","5","3","7","6","1") = "6"
    & skf21("7","3","4","5","3","7","7","1") = "6"
    & skf21("7","3","4","5","4","1","1","1") = "6"
    & skf21("7","3","4","5","4","1","2","1") = "6"
    & skf21("7","3","4","5","4","1","3","1") = "6"
    & skf21("7","3","4","5","4","1","4","1") = "6"
    & skf21("7","3","4","5","4","1","5","1") = "6"
    & skf21("7","3","4","5","4","1","6","1") = "6"
    & skf21("7","3","4","5","4","1","7","1") = "6"
    & skf21("7","3","4","5","4","2","1","1") = "6"
    & skf21("7","3","4","5","4","2","2","1") = "6"
    & skf21("7","3","4","5","4","2","3","1") = "6"
    & skf21("7","3","4","5","4","2","4","1") = "6"
    & skf21("7","3","4","5","4","2","5","1") = "6"
    & skf21("7","3","4","5","4","2","6","1") = "6"
    & skf21("7","3","4","5","4","2","7","1") = "6"
    & skf21("7","3","4","5","4","3","1","1") = "6"
    & skf21("7","3","4","5","4","3","2","1") = "6"
    & skf21("7","3","4","5","4","3","3","1") = "6"
    & skf21("7","3","4","5","4","3","4","1") = "6"
    & skf21("7","3","4","5","4","3","5","1") = "6"
    & skf21("7","3","4","5","4","3","6","1") = "6"
    & skf21("7","3","4","5","4","3","7","1") = "6"
    & skf21("7","3","4","5","4","4","1","1") = "6"
    & skf21("7","3","4","5","4","4","2","1") = "6"
    & skf21("7","3","4","5","4","4","3","1") = "6"
    & skf21("7","3","4","5","4","4","4","1") = "6"
    & skf21("7","3","4","5","4","4","5","1") = "6"
    & skf21("7","3","4","5","4","4","6","1") = "6"
    & skf21("7","3","4","5","4","4","7","1") = "6"
    & skf21("7","3","4","5","4","5","1","1") = "6"
    & skf21("7","3","4","5","4","5","2","1") = "6"
    & skf21("7","3","4","5","4","5","3","1") = "6"
    & skf21("7","3","4","5","4","5","4","1") = "6"
    & skf21("7","3","4","5","4","5","5","1") = "6"
    & skf21("7","3","4","5","4","5","6","1") = "6"
    & skf21("7","3","4","5","4","5","7","1") = "6"
    & skf21("7","3","4","5","4","6","1","1") = "6"
    & skf21("7","3","4","5","4","6","2","1") = "6"
    & skf21("7","3","4","5","4","6","3","1") = "6"
    & skf21("7","3","4","5","4","6","4","1") = "6"
    & skf21("7","3","4","5","4","6","5","1") = "6"
    & skf21("7","3","4","5","4","6","6","1") = "6"
    & skf21("7","3","4","5","4","6","7","1") = "6"
    & skf21("7","3","4","5","4","7","1","1") = "6"
    & skf21("7","3","4","5","4","7","2","1") = "6"
    & skf21("7","3","4","5","4","7","3","1") = "6"
    & skf21("7","3","4","5","4","7","4","1") = "6"
    & skf21("7","3","4","5","4","7","5","1") = "6"
    & skf21("7","3","4","5","4","7","6","1") = "6"
    & skf21("7","3","4","5","4","7","7","1") = "6"
    & skf21("7","3","4","5","5","1","1","1") = "6"
    & skf21("7","3","4","5","5","1","2","1") = "6"
    & skf21("7","3","4","5","5","1","3","1") = "6"
    & skf21("7","3","4","5","5","1","4","1") = "6"
    & skf21("7","3","4","5","5","1","5","1") = "6"
    & skf21("7","3","4","5","5","1","6","1") = "6"
    & skf21("7","3","4","5","5","1","7","1") = "6"
    & skf21("7","3","4","5","5","2","1","1") = "6"
    & skf21("7","3","4","5","5","2","2","1") = "6"
    & skf21("7","3","4","5","5","2","3","1") = "6"
    & skf21("7","3","4","5","5","2","4","1") = "6"
    & skf21("7","3","4","5","5","2","5","1") = "6"
    & skf21("7","3","4","5","5","2","6","1") = "6"
    & skf21("7","3","4","5","5","2","7","1") = "6"
    & skf21("7","3","4","5","5","3","1","1") = "6"
    & skf21("7","3","4","5","5","3","2","1") = "6"
    & skf21("7","3","4","5","5","3","3","1") = "6"
    & skf21("7","3","4","5","5","3","4","1") = "6"
    & skf21("7","3","4","5","5","3","5","1") = "6"
    & skf21("7","3","4","5","5","3","6","1") = "6"
    & skf21("7","3","4","5","5","3","7","1") = "6"
    & skf21("7","3","4","5","5","4","1","1") = "6"
    & skf21("7","3","4","5","5","4","2","1") = "6"
    & skf21("7","3","4","5","5","4","3","1") = "6"
    & skf21("7","3","4","5","5","4","4","1") = "6"
    & skf21("7","3","4","5","5","4","5","1") = "6"
    & skf21("7","3","4","5","5","4","6","1") = "6"
    & skf21("7","3","4","5","5","4","7","1") = "6"
    & skf21("7","3","4","5","5","5","1","1") = "6"
    & skf21("7","3","4","5","5","5","2","1") = "6"
    & skf21("7","3","4","5","5","5","3","1") = "6"
    & skf21("7","3","4","5","5","5","4","1") = "6"
    & skf21("7","3","4","5","5","5","5","1") = "6"
    & skf21("7","3","4","5","5","5","6","1") = "6"
    & skf21("7","3","4","5","5","5","7","1") = "6"
    & skf21("7","3","4","5","5","6","1","1") = "6"
    & skf21("7","3","4","5","5","6","2","1") = "6"
    & skf21("7","3","4","5","5","6","3","1") = "6"
    & skf21("7","3","4","5","5","6","4","1") = "6"
    & skf21("7","3","4","5","5","6","5","1") = "6"
    & skf21("7","3","4","5","5","6","6","1") = "6"
    & skf21("7","3","4","5","5","6","7","1") = "6"
    & skf21("7","3","4","5","5","7","1","1") = "6"
    & skf21("7","3","4","5","5","7","2","1") = "6"
    & skf21("7","3","4","5","5","7","3","1") = "6"
    & skf21("7","3","4","5","5","7","4","1") = "6"
    & skf21("7","3","4","5","5","7","5","1") = "6"
    & skf21("7","3","4","5","5","7","6","1") = "6"
    & skf21("7","3","4","5","5","7","7","1") = "6"
    & skf21("7","3","4","5","6","1","1","1") = "6"
    & skf21("7","3","4","5","6","1","2","1") = "6"
    & skf21("7","3","4","5","6","1","3","1") = "6"
    & skf21("7","3","4","5","6","1","4","1") = "6"
    & skf21("7","3","4","5","6","1","5","1") = "6"
    & skf21("7","3","4","5","6","1","6","1") = "6"
    & skf21("7","3","4","5","6","1","7","1") = "6"
    & skf21("7","3","4","5","6","2","1","1") = "6"
    & skf21("7","3","4","5","6","2","2","1") = "6"
    & skf21("7","3","4","5","6","2","3","1") = "6"
    & skf21("7","3","4","5","6","2","4","1") = "6"
    & skf21("7","3","4","5","6","2","5","1") = "6"
    & skf21("7","3","4","5","6","2","6","1") = "6"
    & skf21("7","3","4","5","6","2","7","1") = "6"
    & skf21("7","3","4","5","6","3","1","1") = "6"
    & skf21("7","3","4","5","6","3","2","1") = "6"
    & skf21("7","3","4","5","6","3","3","1") = "6"
    & skf21("7","3","4","5","6","3","4","1") = "6"
    & skf21("7","3","4","5","6","3","5","1") = "6"
    & skf21("7","3","4","5","6","3","6","1") = "6"
    & skf21("7","3","4","5","6","3","7","1") = "6"
    & skf21("7","3","4","5","6","4","1","1") = "6"
    & skf21("7","3","4","5","6","4","2","1") = "6"
    & skf21("7","3","4","5","6","4","3","1") = "6"
    & skf21("7","3","4","5","6","4","4","1") = "6"
    & skf21("7","3","4","5","6","4","5","1") = "6"
    & skf21("7","3","4","5","6","4","6","1") = "6"
    & skf21("7","3","4","5","6","4","7","1") = "6"
    & skf21("7","3","4","5","6","5","1","1") = "6"
    & skf21("7","3","4","5","6","5","2","1") = "6"
    & skf21("7","3","4","5","6","5","3","1") = "6"
    & skf21("7","3","4","5","6","5","4","1") = "6"
    & skf21("7","3","4","5","6","5","5","1") = "6"
    & skf21("7","3","4","5","6","5","6","1") = "6"
    & skf21("7","3","4","5","6","5","7","1") = "6"
    & skf21("7","3","4","5","6","6","1","1") = "6"
    & skf21("7","3","4","5","6","6","2","1") = "6"
    & skf21("7","3","4","5","6","6","3","1") = "6"
    & skf21("7","3","4","5","6","6","4","1") = "6"
    & skf21("7","3","4","5","6","6","5","1") = "6"
    & skf21("7","3","4","5","6","6","6","1") = "6"
    & skf21("7","3","4","5","6","6","7","1") = "6"
    & skf21("7","3","4","5","6","7","1","1") = "6"
    & skf21("7","3","4","5","6","7","2","1") = "6"
    & skf21("7","3","4","5","6","7","3","1") = "6"
    & skf21("7","3","4","5","6","7","4","1") = "6"
    & skf21("7","3","4","5","6","7","5","1") = "6"
    & skf21("7","3","4","5","6","7","6","1") = "6"
    & skf21("7","3","4","5","6","7","7","1") = "6"
    & skf21("7","3","4","5","7","1","1","1") = "6"
    & skf21("7","3","4","5","7","1","2","1") = "6"
    & skf21("7","3","4","5","7","1","3","1") = "6"
    & skf21("7","3","4","5","7","1","4","1") = "6"
    & skf21("7","3","4","5","7","1","5","1") = "6"
    & skf21("7","3","4","5","7","1","6","1") = "6"
    & skf21("7","3","4","5","7","1","7","1") = "6"
    & skf21("7","3","4","5","7","2","1","1") = "6"
    & skf21("7","3","4","5","7","2","2","1") = "6"
    & skf21("7","3","4","5","7","2","3","1") = "6"
    & skf21("7","3","4","5","7","2","4","1") = "6"
    & skf21("7","3","4","5","7","2","5","1") = "6"
    & skf21("7","3","4","5","7","2","6","1") = "6"
    & skf21("7","3","4","5","7","2","7","1") = "6"
    & skf21("7","3","4","5","7","3","1","1") = "6"
    & skf21("7","3","4","5","7","3","2","1") = "6"
    & skf21("7","3","4","5","7","3","3","1") = "6"
    & skf21("7","3","4","5","7","3","4","1") = "6"
    & skf21("7","3","4","5","7","3","5","1") = "6"
    & skf21("7","3","4","5","7","3","6","1") = "6"
    & skf21("7","3","4","5","7","3","7","1") = "6"
    & skf21("7","3","4","5","7","4","1","1") = "6"
    & skf21("7","3","4","5","7","4","2","1") = "6"
    & skf21("7","3","4","5","7","4","3","1") = "6"
    & skf21("7","3","4","5","7","4","4","1") = "6"
    & skf21("7","3","4","5","7","4","5","1") = "6"
    & skf21("7","3","4","5","7","4","6","1") = "6"
    & skf21("7","3","4","5","7","4","7","1") = "6"
    & skf21("7","3","4","5","7","5","1","1") = "6"
    & skf21("7","3","4","5","7","5","2","1") = "6"
    & skf21("7","3","4","5","7","5","3","1") = "6"
    & skf21("7","3","4","5","7","5","4","1") = "6"
    & skf21("7","3","4","5","7","5","5","1") = "6"
    & skf21("7","3","4","5","7","5","6","1") = "6"
    & skf21("7","3","4","5","7","5","7","1") = "6"
    & skf21("7","3","4","5","7","6","1","1") = "6"
    & skf21("7","3","4","5","7","6","2","1") = "6"
    & skf21("7","3","4","5","7","6","3","1") = "6"
    & skf21("7","3","4","5","7","6","4","1") = "6"
    & skf21("7","3","4","5","7","6","5","1") = "6"
    & skf21("7","3","4","5","7","6","6","1") = "6"
    & skf21("7","3","4","5","7","6","7","1") = "6"
    & skf21("7","3","4","5","7","7","1","1") = "6"
    & skf21("7","3","4","5","7","7","2","1") = "6"
    & skf21("7","3","4","5","7","7","3","1") = "6"
    & skf21("7","3","4","5","7","7","4","1") = "6"
    & skf21("7","3","4","5","7","7","5","1") = "6"
    & skf21("7","3","4","5","7","7","6","1") = "6"
    & skf21("7","3","4","5","7","7","7","1") = "6"
    & skf21("7","3","4","6","1","1","1","1") = "6"
    & skf21("7","3","4","6","1","1","2","1") = "6"
    & skf21("7","3","4","6","1","1","3","1") = "6"
    & skf21("7","3","4","6","1","1","4","1") = "6"
    & skf21("7","3","4","6","1","1","5","1") = "6"
    & skf21("7","3","4","6","1","1","6","1") = "6"
    & skf21("7","3","4","6","1","1","7","1") = "6"
    & skf21("7","3","4","6","1","2","1","1") = "6"
    & skf21("7","3","4","6","1","2","2","1") = "6"
    & skf21("7","3","4","6","1","2","3","1") = "6"
    & skf21("7","3","4","6","1","2","4","1") = "6"
    & skf21("7","3","4","6","1","2","5","1") = "6"
    & skf21("7","3","4","6","1","2","6","1") = "6"
    & skf21("7","3","4","6","1","2","7","1") = "6"
    & skf21("7","3","4","6","1","3","1","1") = "6"
    & skf21("7","3","4","6","1","3","2","1") = "6"
    & skf21("7","3","4","6","1","3","3","1") = "6"
    & skf21("7","3","4","6","1","3","4","1") = "6"
    & skf21("7","3","4","6","1","3","5","1") = "6"
    & skf21("7","3","4","6","1","3","6","1") = "6"
    & skf21("7","3","4","6","1","3","7","1") = "6"
    & skf21("7","3","4","6","1","4","1","1") = "6"
    & skf21("7","3","4","6","1","4","2","1") = "6"
    & skf21("7","3","4","6","1","4","3","1") = "6"
    & skf21("7","3","4","6","1","4","4","1") = "6"
    & skf21("7","3","4","6","1","4","5","1") = "6"
    & skf21("7","3","4","6","1","4","6","1") = "6"
    & skf21("7","3","4","6","1","4","7","1") = "6"
    & skf21("7","3","4","6","1","5","1","1") = "6"
    & skf21("7","3","4","6","1","5","2","1") = "6"
    & skf21("7","3","4","6","1","5","3","1") = "6"
    & skf21("7","3","4","6","1","5","4","1") = "6"
    & skf21("7","3","4","6","1","5","5","1") = "6"
    & skf21("7","3","4","6","1","5","6","1") = "6"
    & skf21("7","3","4","6","1","5","7","1") = "6"
    & skf21("7","3","4","6","1","6","1","1") = "6"
    & skf21("7","3","4","6","1","6","2","1") = "6"
    & skf21("7","3","4","6","1","6","3","1") = "6"
    & skf21("7","3","4","6","1","6","4","1") = "6"
    & skf21("7","3","4","6","1","6","5","1") = "6"
    & skf21("7","3","4","6","1","6","6","1") = "6"
    & skf21("7","3","4","6","1","6","7","1") = "6"
    & skf21("7","3","4","6","1","7","1","1") = "6"
    & skf21("7","3","4","6","1","7","2","1") = "6"
    & skf21("7","3","4","6","1","7","3","1") = "6"
    & skf21("7","3","4","6","1","7","4","1") = "6"
    & skf21("7","3","4","6","1","7","5","1") = "6"
    & skf21("7","3","4","6","1","7","6","1") = "6"
    & skf21("7","3","4","6","1","7","7","1") = "6"
    & skf21("7","3","4","6","2","1","1","1") = "6"
    & skf21("7","3","4","6","2","1","2","1") = "6"
    & skf21("7","3","4","6","2","1","3","1") = "6"
    & skf21("7","3","4","6","2","1","4","1") = "6"
    & skf21("7","3","4","6","2","1","5","1") = "6"
    & skf21("7","3","4","6","2","1","6","1") = "6"
    & skf21("7","3","4","6","2","1","7","1") = "6"
    & skf21("7","3","4","6","2","2","1","1") = "6"
    & skf21("7","3","4","6","2","2","2","1") = "6"
    & skf21("7","3","4","6","2","2","3","1") = "6"
    & skf21("7","3","4","6","2","2","4","1") = "6"
    & skf21("7","3","4","6","2","2","5","1") = "6"
    & skf21("7","3","4","6","2","2","6","1") = "6"
    & skf21("7","3","4","6","2","2","7","1") = "6"
    & skf21("7","3","4","6","2","3","1","1") = "6"
    & skf21("7","3","4","6","2","3","2","1") = "6"
    & skf21("7","3","4","6","2","3","3","1") = "6"
    & skf21("7","3","4","6","2","3","4","1") = "6"
    & skf21("7","3","4","6","2","3","5","1") = "6"
    & skf21("7","3","4","6","2","3","6","1") = "6"
    & skf21("7","3","4","6","2","3","7","1") = "6"
    & skf21("7","3","4","6","2","4","1","1") = "6"
    & skf21("7","3","4","6","2","4","2","1") = "6"
    & skf21("7","3","4","6","2","4","3","1") = "6"
    & skf21("7","3","4","6","2","4","4","1") = "6"
    & skf21("7","3","4","6","2","4","5","1") = "6"
    & skf21("7","3","4","6","2","4","6","1") = "6"
    & skf21("7","3","4","6","2","4","7","1") = "6"
    & skf21("7","3","4","6","2","5","1","1") = "6"
    & skf21("7","3","4","6","2","5","2","1") = "6"
    & skf21("7","3","4","6","2","5","3","1") = "6"
    & skf21("7","3","4","6","2","5","4","1") = "6"
    & skf21("7","3","4","6","2","5","5","1") = "6"
    & skf21("7","3","4","6","2","5","6","1") = "6"
    & skf21("7","3","4","6","2","5","7","1") = "6"
    & skf21("7","3","4","6","2","6","1","1") = "6"
    & skf21("7","3","4","6","2","6","2","1") = "6"
    & skf21("7","3","4","6","2","6","3","1") = "6"
    & skf21("7","3","4","6","2","6","4","1") = "6"
    & skf21("7","3","4","6","2","6","5","1") = "6"
    & skf21("7","3","4","6","2","6","6","1") = "6"
    & skf21("7","3","4","6","2","6","7","1") = "6"
    & skf21("7","3","4","6","2","7","1","1") = "6"
    & skf21("7","3","4","6","2","7","2","1") = "6"
    & skf21("7","3","4","6","2","7","3","1") = "6"
    & skf21("7","3","4","6","2","7","4","1") = "6"
    & skf21("7","3","4","6","2","7","5","1") = "6"
    & skf21("7","3","4","6","2","7","6","1") = "6"
    & skf21("7","3","4","6","2","7","7","1") = "6"
    & skf21("7","3","4","6","3","1","1","1") = "6"
    & skf21("7","3","4","6","3","1","2","1") = "6"
    & skf21("7","3","4","6","3","1","3","1") = "6"
    & skf21("7","3","4","6","3","1","4","1") = "6"
    & skf21("7","3","4","6","3","1","5","1") = "6"
    & skf21("7","3","4","6","3","1","6","1") = "6"
    & skf21("7","3","4","6","3","1","7","1") = "6"
    & skf21("7","3","4","6","3","2","1","1") = "6"
    & skf21("7","3","4","6","3","2","2","1") = "6"
    & skf21("7","3","4","6","3","2","3","1") = "6"
    & skf21("7","3","4","6","3","2","4","1") = "6"
    & skf21("7","3","4","6","3","2","5","1") = "6"
    & skf21("7","3","4","6","3","2","6","1") = "6"
    & skf21("7","3","4","6","3","2","7","1") = "6"
    & skf21("7","3","4","6","3","3","1","1") = "6"
    & skf21("7","3","4","6","3","3","2","1") = "6"
    & skf21("7","3","4","6","3","3","3","1") = "6"
    & skf21("7","3","4","6","3","3","4","1") = "6"
    & skf21("7","3","4","6","3","3","5","1") = "6"
    & skf21("7","3","4","6","3","3","6","1") = "6"
    & skf21("7","3","4","6","3","3","7","1") = "6"
    & skf21("7","3","4","6","3","4","1","1") = "6"
    & skf21("7","3","4","6","3","4","2","1") = "6"
    & skf21("7","3","4","6","3","4","3","1") = "6"
    & skf21("7","3","4","6","3","4","4","1") = "6"
    & skf21("7","3","4","6","3","4","5","1") = "6"
    & skf21("7","3","4","6","3","4","6","1") = "6"
    & skf21("7","3","4","6","3","4","7","1") = "6"
    & skf21("7","3","4","6","3","5","1","1") = "6"
    & skf21("7","3","4","6","3","5","2","1") = "6"
    & skf21("7","3","4","6","3","5","3","1") = "6"
    & skf21("7","3","4","6","3","5","4","1") = "6"
    & skf21("7","3","4","6","3","5","5","1") = "6"
    & skf21("7","3","4","6","3","5","6","1") = "6"
    & skf21("7","3","4","6","3","5","7","1") = "6"
    & skf21("7","3","4","6","3","6","1","1") = "6"
    & skf21("7","3","4","6","3","6","2","1") = "6"
    & skf21("7","3","4","6","3","6","3","1") = "6"
    & skf21("7","3","4","6","3","6","4","1") = "6"
    & skf21("7","3","4","6","3","6","5","1") = "6"
    & skf21("7","3","4","6","3","6","6","1") = "6"
    & skf21("7","3","4","6","3","6","7","1") = "6"
    & skf21("7","3","4","6","3","7","1","1") = "6"
    & skf21("7","3","4","6","3","7","2","1") = "6"
    & skf21("7","3","4","6","3","7","3","1") = "6"
    & skf21("7","3","4","6","3","7","4","1") = "6"
    & skf21("7","3","4","6","3","7","5","1") = "6"
    & skf21("7","3","4","6","3","7","6","1") = "6"
    & skf21("7","3","4","6","3","7","7","1") = "6"
    & skf21("7","3","4","6","4","1","1","1") = "6"
    & skf21("7","3","4","6","4","1","2","1") = "6"
    & skf21("7","3","4","6","4","1","3","1") = "6"
    & skf21("7","3","4","6","4","1","4","1") = "6"
    & skf21("7","3","4","6","4","1","5","1") = "6"
    & skf21("7","3","4","6","4","1","6","1") = "6"
    & skf21("7","3","4","6","4","1","7","1") = "6"
    & skf21("7","3","4","6","4","2","1","1") = "6"
    & skf21("7","3","4","6","4","2","2","1") = "6"
    & skf21("7","3","4","6","4","2","3","1") = "6"
    & skf21("7","3","4","6","4","2","4","1") = "6"
    & skf21("7","3","4","6","4","2","5","1") = "6"
    & skf21("7","3","4","6","4","2","6","1") = "6"
    & skf21("7","3","4","6","4","2","7","1") = "6"
    & skf21("7","3","4","6","4","3","1","1") = "6"
    & skf21("7","3","4","6","4","3","2","1") = "6"
    & skf21("7","3","4","6","4","3","3","1") = "6"
    & skf21("7","3","4","6","4","3","4","1") = "6"
    & skf21("7","3","4","6","4","3","5","1") = "6"
    & skf21("7","3","4","6","4","3","6","1") = "6"
    & skf21("7","3","4","6","4","3","7","1") = "6"
    & skf21("7","3","4","6","4","4","1","1") = "6"
    & skf21("7","3","4","6","4","4","2","1") = "6"
    & skf21("7","3","4","6","4","4","3","1") = "6"
    & skf21("7","3","4","6","4","4","4","1") = "6"
    & skf21("7","3","4","6","4","4","5","1") = "6"
    & skf21("7","3","4","6","4","4","6","1") = "6"
    & skf21("7","3","4","6","4","4","7","1") = "6"
    & skf21("7","3","4","6","4","5","1","1") = "6"
    & skf21("7","3","4","6","4","5","2","1") = "6"
    & skf21("7","3","4","6","4","5","3","1") = "6"
    & skf21("7","3","4","6","4","5","4","1") = "6"
    & skf21("7","3","4","6","4","5","5","1") = "6"
    & skf21("7","3","4","6","4","5","6","1") = "6"
    & skf21("7","3","4","6","4","5","7","1") = "6"
    & skf21("7","3","4","6","4","6","1","1") = "6"
    & skf21("7","3","4","6","4","6","2","1") = "6"
    & skf21("7","3","4","6","4","6","3","1") = "6"
    & skf21("7","3","4","6","4","6","4","1") = "6"
    & skf21("7","3","4","6","4","6","5","1") = "6"
    & skf21("7","3","4","6","4","6","6","1") = "6"
    & skf21("7","3","4","6","4","6","7","1") = "6"
    & skf21("7","3","4","6","4","7","1","1") = "6"
    & skf21("7","3","4","6","4","7","2","1") = "6"
    & skf21("7","3","4","6","4","7","3","1") = "6"
    & skf21("7","3","4","6","4","7","4","1") = "6"
    & skf21("7","3","4","6","4","7","5","1") = "6"
    & skf21("7","3","4","6","4","7","6","1") = "6"
    & skf21("7","3","4","6","4","7","7","1") = "6"
    & skf21("7","3","4","6","5","1","1","1") = "6"
    & skf21("7","3","4","6","5","1","2","1") = "6"
    & skf21("7","3","4","6","5","1","3","1") = "6"
    & skf21("7","3","4","6","5","1","4","1") = "6"
    & skf21("7","3","4","6","5","1","5","1") = "6"
    & skf21("7","3","4","6","5","1","6","1") = "6"
    & skf21("7","3","4","6","5","1","7","1") = "6"
    & skf21("7","3","4","6","5","2","1","1") = "6"
    & skf21("7","3","4","6","5","2","2","1") = "6"
    & skf21("7","3","4","6","5","2","3","1") = "6"
    & skf21("7","3","4","6","5","2","4","1") = "6"
    & skf21("7","3","4","6","5","2","5","1") = "6"
    & skf21("7","3","4","6","5","2","6","1") = "6"
    & skf21("7","3","4","6","5","2","7","1") = "6"
    & skf21("7","3","4","6","5","3","1","1") = "6"
    & skf21("7","3","4","6","5","3","2","1") = "6"
    & skf21("7","3","4","6","5","3","3","1") = "6"
    & skf21("7","3","4","6","5","3","4","1") = "6"
    & skf21("7","3","4","6","5","3","5","1") = "6"
    & skf21("7","3","4","6","5","3","6","1") = "6"
    & skf21("7","3","4","6","5","3","7","1") = "6"
    & skf21("7","3","4","6","5","4","1","1") = "6"
    & skf21("7","3","4","6","5","4","2","1") = "6"
    & skf21("7","3","4","6","5","4","3","1") = "6"
    & skf21("7","3","4","6","5","4","4","1") = "6"
    & skf21("7","3","4","6","5","4","5","1") = "6"
    & skf21("7","3","4","6","5","4","6","1") = "6"
    & skf21("7","3","4","6","5","4","7","1") = "6"
    & skf21("7","3","4","6","5","5","1","1") = "6"
    & skf21("7","3","4","6","5","5","2","1") = "6"
    & skf21("7","3","4","6","5","5","3","1") = "6"
    & skf21("7","3","4","6","5","5","4","1") = "6"
    & skf21("7","3","4","6","5","5","5","1") = "6"
    & skf21("7","3","4","6","5","5","6","1") = "6"
    & skf21("7","3","4","6","5","5","7","1") = "6"
    & skf21("7","3","4","6","5","6","1","1") = "6"
    & skf21("7","3","4","6","5","6","2","1") = "6"
    & skf21("7","3","4","6","5","6","3","1") = "6"
    & skf21("7","3","4","6","5","6","4","1") = "6"
    & skf21("7","3","4","6","5","6","5","1") = "6"
    & skf21("7","3","4","6","5","6","6","1") = "6"
    & skf21("7","3","4","6","5","6","7","1") = "6"
    & skf21("7","3","4","6","5","7","1","1") = "6"
    & skf21("7","3","4","6","5","7","2","1") = "6"
    & skf21("7","3","4","6","5","7","3","1") = "6"
    & skf21("7","3","4","6","5","7","4","1") = "6"
    & skf21("7","3","4","6","5","7","5","1") = "6"
    & skf21("7","3","4","6","5","7","6","1") = "6"
    & skf21("7","3","4","6","5","7","7","1") = "6"
    & skf21("7","3","4","6","6","1","1","1") = "6"
    & skf21("7","3","4","6","6","1","2","1") = "6"
    & skf21("7","3","4","6","6","1","3","1") = "6"
    & skf21("7","3","4","6","6","1","4","1") = "6"
    & skf21("7","3","4","6","6","1","5","1") = "6"
    & skf21("7","3","4","6","6","1","6","1") = "6"
    & skf21("7","3","4","6","6","1","7","1") = "6"
    & skf21("7","3","4","6","6","2","1","1") = "6"
    & skf21("7","3","4","6","6","2","2","1") = "6"
    & skf21("7","3","4","6","6","2","3","1") = "6"
    & skf21("7","3","4","6","6","2","4","1") = "6"
    & skf21("7","3","4","6","6","2","5","1") = "6"
    & skf21("7","3","4","6","6","2","6","1") = "6"
    & skf21("7","3","4","6","6","2","7","1") = "6"
    & skf21("7","3","4","6","6","3","1","1") = "6"
    & skf21("7","3","4","6","6","3","2","1") = "6"
    & skf21("7","3","4","6","6","3","3","1") = "6"
    & skf21("7","3","4","6","6","3","4","1") = "6"
    & skf21("7","3","4","6","6","3","5","1") = "6"
    & skf21("7","3","4","6","6","3","6","1") = "6"
    & skf21("7","3","4","6","6","3","7","1") = "6"
    & skf21("7","3","4","6","6","4","1","1") = "6"
    & skf21("7","3","4","6","6","4","2","1") = "6"
    & skf21("7","3","4","6","6","4","3","1") = "6"
    & skf21("7","3","4","6","6","4","4","1") = "6"
    & skf21("7","3","4","6","6","4","5","1") = "6"
    & skf21("7","3","4","6","6","4","6","1") = "6"
    & skf21("7","3","4","6","6","4","7","1") = "6"
    & skf21("7","3","4","6","6","5","1","1") = "6"
    & skf21("7","3","4","6","6","5","2","1") = "6"
    & skf21("7","3","4","6","6","5","3","1") = "6"
    & skf21("7","3","4","6","6","5","4","1") = "6"
    & skf21("7","3","4","6","6","5","5","1") = "6"
    & skf21("7","3","4","6","6","5","6","1") = "6"
    & skf21("7","3","4","6","6","5","7","1") = "6"
    & skf21("7","3","4","6","6","6","1","1") = "6"
    & skf21("7","3","4","6","6","6","2","1") = "6"
    & skf21("7","3","4","6","6","6","3","1") = "6"
    & skf21("7","3","4","6","6","6","4","1") = "6"
    & skf21("7","3","4","6","6","6","5","1") = "6"
    & skf21("7","3","4","6","6","6","6","1") = "6"
    & skf21("7","3","4","6","6","6","7","1") = "6"
    & skf21("7","3","4","6","6","7","1","1") = "6"
    & skf21("7","3","4","6","6","7","2","1") = "6"
    & skf21("7","3","4","6","6","7","3","1") = "6"
    & skf21("7","3","4","6","6","7","4","1") = "6"
    & skf21("7","3","4","6","6","7","5","1") = "6"
    & skf21("7","3","4","6","6","7","6","1") = "6"
    & skf21("7","3","4","6","6","7","7","1") = "6"
    & skf21("7","3","4","6","7","1","1","1") = "6"
    & skf21("7","3","4","6","7","1","2","1") = "6"
    & skf21("7","3","4","6","7","1","3","1") = "6"
    & skf21("7","3","4","6","7","1","4","1") = "6"
    & skf21("7","3","4","6","7","1","5","1") = "6"
    & skf21("7","3","4","6","7","1","6","1") = "6"
    & skf21("7","3","4","6","7","1","7","1") = "6"
    & skf21("7","3","4","6","7","2","1","1") = "6"
    & skf21("7","3","4","6","7","2","2","1") = "6"
    & skf21("7","3","4","6","7","2","3","1") = "6"
    & skf21("7","3","4","6","7","2","4","1") = "6"
    & skf21("7","3","4","6","7","2","5","1") = "6"
    & skf21("7","3","4","6","7","2","6","1") = "6"
    & skf21("7","3","4","6","7","2","7","1") = "6"
    & skf21("7","3","4","6","7","3","1","1") = "6"
    & skf21("7","3","4","6","7","3","2","1") = "6"
    & skf21("7","3","4","6","7","3","3","1") = "6"
    & skf21("7","3","4","6","7","3","4","1") = "6"
    & skf21("7","3","4","6","7","3","5","1") = "6"
    & skf21("7","3","4","6","7","3","6","1") = "6"
    & skf21("7","3","4","6","7","3","7","1") = "6"
    & skf21("7","3","4","6","7","4","1","1") = "6"
    & skf21("7","3","4","6","7","4","2","1") = "6"
    & skf21("7","3","4","6","7","4","3","1") = "6"
    & skf21("7","3","4","6","7","4","4","1") = "6"
    & skf21("7","3","4","6","7","4","5","1") = "6"
    & skf21("7","3","4","6","7","4","6","1") = "6"
    & skf21("7","3","4","6","7","4","7","1") = "6"
    & skf21("7","3","4","6","7","5","1","1") = "6"
    & skf21("7","3","4","6","7","5","2","1") = "6"
    & skf21("7","3","4","6","7","5","3","1") = "6"
    & skf21("7","3","4","6","7","5","4","1") = "6"
    & skf21("7","3","4","6","7","5","5","1") = "6"
    & skf21("7","3","4","6","7","5","6","1") = "6"
    & skf21("7","3","4","6","7","5","7","1") = "6"
    & skf21("7","3","4","6","7","6","1","1") = "6"
    & skf21("7","3","4","6","7","6","2","1") = "6"
    & skf21("7","3","4","6","7","6","3","1") = "6"
    & skf21("7","3","4","6","7","6","4","1") = "6"
    & skf21("7","3","4","6","7","6","5","1") = "6"
    & skf21("7","3","4","6","7","6","6","1") = "6"
    & skf21("7","3","4","6","7","6","7","1") = "6"
    & skf21("7","3","4","6","7","7","1","1") = "6"
    & skf21("7","3","4","6","7","7","2","1") = "6"
    & skf21("7","3","4","6","7","7","3","1") = "6"
    & skf21("7","3","4","6","7","7","4","1") = "6"
    & skf21("7","3","4","6","7","7","5","1") = "6"
    & skf21("7","3","4","6","7","7","6","1") = "6"
    & skf21("7","3","4","6","7","7","7","1") = "6"
    & skf21("7","3","4","7","1","1","1","1") = "6"
    & skf21("7","3","4","7","1","1","2","1") = "6"
    & skf21("7","3","4","7","1","1","3","1") = "6"
    & skf21("7","3","4","7","1","1","4","1") = "6"
    & skf21("7","3","4","7","1","1","5","1") = "6"
    & skf21("7","3","4","7","1","1","6","1") = "6"
    & skf21("7","3","4","7","1","1","7","1") = "6"
    & skf21("7","3","4","7","1","2","1","1") = "6"
    & skf21("7","3","4","7","1","2","2","1") = "6"
    & skf21("7","3","4","7","1","2","3","1") = "6"
    & skf21("7","3","4","7","1","2","4","1") = "6"
    & skf21("7","3","4","7","1","2","5","1") = "6"
    & skf21("7","3","4","7","1","2","6","1") = "6"
    & skf21("7","3","4","7","1","2","7","1") = "6"
    & skf21("7","3","4","7","1","3","1","1") = "6"
    & skf21("7","3","4","7","1","3","2","1") = "6"
    & skf21("7","3","4","7","1","3","3","1") = "6"
    & skf21("7","3","4","7","1","3","4","1") = "6"
    & skf21("7","3","4","7","1","3","5","1") = "6"
    & skf21("7","3","4","7","1","3","6","1") = "6"
    & skf21("7","3","4","7","1","3","7","1") = "6"
    & skf21("7","3","4","7","1","4","1","1") = "6"
    & skf21("7","3","4","7","1","4","2","1") = "6"
    & skf21("7","3","4","7","1","4","3","1") = "6"
    & skf21("7","3","4","7","1","4","4","1") = "6"
    & skf21("7","3","4","7","1","4","5","1") = "6"
    & skf21("7","3","4","7","1","4","6","1") = "6"
    & skf21("7","3","4","7","1","4","7","1") = "6"
    & skf21("7","3","4","7","1","5","1","1") = "6"
    & skf21("7","3","4","7","1","5","2","1") = "6"
    & skf21("7","3","4","7","1","5","3","1") = "6"
    & skf21("7","3","4","7","1","5","4","1") = "6"
    & skf21("7","3","4","7","1","5","5","1") = "6"
    & skf21("7","3","4","7","1","5","6","1") = "6"
    & skf21("7","3","4","7","1","5","7","1") = "6"
    & skf21("7","3","4","7","1","6","1","1") = "6"
    & skf21("7","3","4","7","1","6","2","1") = "6"
    & skf21("7","3","4","7","1","6","3","1") = "6"
    & skf21("7","3","4","7","1","6","4","1") = "6"
    & skf21("7","3","4","7","1","6","5","1") = "6"
    & skf21("7","3","4","7","1","6","6","1") = "6"
    & skf21("7","3","4","7","1","6","7","1") = "6"
    & skf21("7","3","4","7","1","7","1","1") = "6"
    & skf21("7","3","4","7","1","7","2","1") = "6"
    & skf21("7","3","4","7","1","7","3","1") = "6"
    & skf21("7","3","4","7","1","7","4","1") = "6"
    & skf21("7","3","4","7","1","7","5","1") = "6"
    & skf21("7","3","4","7","1","7","6","1") = "6"
    & skf21("7","3","4","7","1","7","7","1") = "6"
    & skf21("7","3","4","7","2","1","1","1") = "6"
    & skf21("7","3","4","7","2","1","2","1") = "6"
    & skf21("7","3","4","7","2","1","3","1") = "6"
    & skf21("7","3","4","7","2","1","4","1") = "6"
    & skf21("7","3","4","7","2","1","5","1") = "6"
    & skf21("7","3","4","7","2","1","6","1") = "6"
    & skf21("7","3","4","7","2","1","7","1") = "6"
    & skf21("7","3","4","7","2","2","1","1") = "6"
    & skf21("7","3","4","7","2","2","2","1") = "6"
    & skf21("7","3","4","7","2","2","3","1") = "6"
    & skf21("7","3","4","7","2","2","4","1") = "6"
    & skf21("7","3","4","7","2","2","5","1") = "6"
    & skf21("7","3","4","7","2","2","6","1") = "6"
    & skf21("7","3","4","7","2","2","7","1") = "6"
    & skf21("7","3","4","7","2","3","1","1") = "6"
    & skf21("7","3","4","7","2","3","2","1") = "6"
    & skf21("7","3","4","7","2","3","3","1") = "6"
    & skf21("7","3","4","7","2","3","4","1") = "6"
    & skf21("7","3","4","7","2","3","5","1") = "6"
    & skf21("7","3","4","7","2","3","6","1") = "6"
    & skf21("7","3","4","7","2","3","7","1") = "6"
    & skf21("7","3","4","7","2","4","1","1") = "6"
    & skf21("7","3","4","7","2","4","2","1") = "6"
    & skf21("7","3","4","7","2","4","3","1") = "6"
    & skf21("7","3","4","7","2","4","4","1") = "6"
    & skf21("7","3","4","7","2","4","5","1") = "6"
    & skf21("7","3","4","7","2","4","6","1") = "6"
    & skf21("7","3","4","7","2","4","7","1") = "6"
    & skf21("7","3","4","7","2","5","1","1") = "6"
    & skf21("7","3","4","7","2","5","2","1") = "6"
    & skf21("7","3","4","7","2","5","3","1") = "6"
    & skf21("7","3","4","7","2","5","4","1") = "6"
    & skf21("7","3","4","7","2","5","5","1") = "6"
    & skf21("7","3","4","7","2","5","6","1") = "6"
    & skf21("7","3","4","7","2","5","7","1") = "6"
    & skf21("7","3","4","7","2","6","1","1") = "6"
    & skf21("7","3","4","7","2","6","2","1") = "6"
    & skf21("7","3","4","7","2","6","3","1") = "6"
    & skf21("7","3","4","7","2","6","4","1") = "6"
    & skf21("7","3","4","7","2","6","5","1") = "6"
    & skf21("7","3","4","7","2","6","6","1") = "6"
    & skf21("7","3","4","7","2","6","7","1") = "6"
    & skf21("7","3","4","7","2","7","1","1") = "6"
    & skf21("7","3","4","7","2","7","2","1") = "6"
    & skf21("7","3","4","7","2","7","3","1") = "6"
    & skf21("7","3","4","7","2","7","4","1") = "6"
    & skf21("7","3","4","7","2","7","5","1") = "6"
    & skf21("7","3","4","7","2","7","6","1") = "6"
    & skf21("7","3","4","7","2","7","7","1") = "6"
    & skf21("7","3","4","7","3","1","1","1") = "6"
    & skf21("7","3","4","7","3","1","2","1") = "6"
    & skf21("7","3","4","7","3","1","3","1") = "6"
    & skf21("7","3","4","7","3","1","4","1") = "6"
    & skf21("7","3","4","7","3","1","5","1") = "6"
    & skf21("7","3","4","7","3","1","6","1") = "6"
    & skf21("7","3","4","7","3","1","7","1") = "6"
    & skf21("7","3","4","7","3","2","1","1") = "6"
    & skf21("7","3","4","7","3","2","2","1") = "6"
    & skf21("7","3","4","7","3","2","3","1") = "6"
    & skf21("7","3","4","7","3","2","4","1") = "6"
    & skf21("7","3","4","7","3","2","5","1") = "6"
    & skf21("7","3","4","7","3","2","6","1") = "6"
    & skf21("7","3","4","7","3","2","7","1") = "6"
    & skf21("7","3","4","7","3","3","1","1") = "6"
    & skf21("7","3","4","7","3","3","2","1") = "6"
    & skf21("7","3","4","7","3","3","3","1") = "6"
    & skf21("7","3","4","7","3","3","4","1") = "6"
    & skf21("7","3","4","7","3","3","5","1") = "6"
    & skf21("7","3","4","7","3","3","6","1") = "6"
    & skf21("7","3","4","7","3","3","7","1") = "6"
    & skf21("7","3","4","7","3","4","1","1") = "6"
    & skf21("7","3","4","7","3","4","2","1") = "6"
    & skf21("7","3","4","7","3","4","3","1") = "6"
    & skf21("7","3","4","7","3","4","4","1") = "6"
    & skf21("7","3","4","7","3","4","5","1") = "6"
    & skf21("7","3","4","7","3","4","6","1") = "6"
    & skf21("7","3","4","7","3","4","7","1") = "6"
    & skf21("7","3","4","7","3","5","1","1") = "6"
    & skf21("7","3","4","7","3","5","2","1") = "6"
    & skf21("7","3","4","7","3","5","3","1") = "6"
    & skf21("7","3","4","7","3","5","4","1") = "6"
    & skf21("7","3","4","7","3","5","5","1") = "6"
    & skf21("7","3","4","7","3","5","6","1") = "6"
    & skf21("7","3","4","7","3","5","7","1") = "6"
    & skf21("7","3","4","7","3","6","1","1") = "6"
    & skf21("7","3","4","7","3","6","2","1") = "6"
    & skf21("7","3","4","7","3","6","3","1") = "6"
    & skf21("7","3","4","7","3","6","4","1") = "6"
    & skf21("7","3","4","7","3","6","5","1") = "6"
    & skf21("7","3","4","7","3","6","6","1") = "6"
    & skf21("7","3","4","7","3","6","7","1") = "6"
    & skf21("7","3","4","7","3","7","1","1") = "6"
    & skf21("7","3","4","7","3","7","2","1") = "6"
    & skf21("7","3","4","7","3","7","3","1") = "6"
    & skf21("7","3","4","7","3","7","4","1") = "6"
    & skf21("7","3","4","7","3","7","5","1") = "6"
    & skf21("7","3","4","7","3","7","6","1") = "6"
    & skf21("7","3","4","7","3","7","7","1") = "6"
    & skf21("7","3","4","7","4","1","1","1") = "6"
    & skf21("7","3","4","7","4","1","2","1") = "6"
    & skf21("7","3","4","7","4","1","3","1") = "6"
    & skf21("7","3","4","7","4","1","4","1") = "6"
    & skf21("7","3","4","7","4","1","5","1") = "6"
    & skf21("7","3","4","7","4","1","6","1") = "6"
    & skf21("7","3","4","7","4","1","7","1") = "6"
    & skf21("7","3","4","7","4","2","1","1") = "6"
    & skf21("7","3","4","7","4","2","2","1") = "6"
    & skf21("7","3","4","7","4","2","3","1") = "6"
    & skf21("7","3","4","7","4","2","4","1") = "6"
    & skf21("7","3","4","7","4","2","5","1") = "6"
    & skf21("7","3","4","7","4","2","6","1") = "6"
    & skf21("7","3","4","7","4","2","7","1") = "6"
    & skf21("7","3","4","7","4","3","1","1") = "6"
    & skf21("7","3","4","7","4","3","2","1") = "6"
    & skf21("7","3","4","7","4","3","3","1") = "6"
    & skf21("7","3","4","7","4","3","4","1") = "6"
    & skf21("7","3","4","7","4","3","5","1") = "6"
    & skf21("7","3","4","7","4","3","6","1") = "6"
    & skf21("7","3","4","7","4","3","7","1") = "6"
    & skf21("7","3","4","7","4","4","1","1") = "6"
    & skf21("7","3","4","7","4","4","2","1") = "6"
    & skf21("7","3","4","7","4","4","3","1") = "6"
    & skf21("7","3","4","7","4","4","4","1") = "6"
    & skf21("7","3","4","7","4","4","5","1") = "6"
    & skf21("7","3","4","7","4","4","6","1") = "6"
    & skf21("7","3","4","7","4","4","7","1") = "6"
    & skf21("7","3","4","7","4","5","1","1") = "6"
    & skf21("7","3","4","7","4","5","2","1") = "6"
    & skf21("7","3","4","7","4","5","3","1") = "6"
    & skf21("7","3","4","7","4","5","4","1") = "6"
    & skf21("7","3","4","7","4","5","5","1") = "6"
    & skf21("7","3","4","7","4","5","6","1") = "6"
    & skf21("7","3","4","7","4","5","7","1") = "6"
    & skf21("7","3","4","7","4","6","1","1") = "6"
    & skf21("7","3","4","7","4","6","2","1") = "6"
    & skf21("7","3","4","7","4","6","3","1") = "6"
    & skf21("7","3","4","7","4","6","4","1") = "6"
    & skf21("7","3","4","7","4","6","5","1") = "6"
    & skf21("7","3","4","7","4","6","6","1") = "6"
    & skf21("7","3","4","7","4","6","7","1") = "6"
    & skf21("7","3","4","7","4","7","1","1") = "6"
    & skf21("7","3","4","7","4","7","2","1") = "6"
    & skf21("7","3","4","7","4","7","3","1") = "6"
    & skf21("7","3","4","7","4","7","4","1") = "6"
    & skf21("7","3","4","7","4","7","5","1") = "6"
    & skf21("7","3","4","7","4","7","6","1") = "6"
    & skf21("7","3","4","7","4","7","7","1") = "6"
    & skf21("7","3","4","7","5","1","1","1") = "6"
    & skf21("7","3","4","7","5","1","2","1") = "6"
    & skf21("7","3","4","7","5","1","3","1") = "6"
    & skf21("7","3","4","7","5","1","4","1") = "6"
    & skf21("7","3","4","7","5","1","5","1") = "6"
    & skf21("7","3","4","7","5","1","6","1") = "6"
    & skf21("7","3","4","7","5","1","7","1") = "6"
    & skf21("7","3","4","7","5","2","1","1") = "6"
    & skf21("7","3","4","7","5","2","2","1") = "6"
    & skf21("7","3","4","7","5","2","3","1") = "6"
    & skf21("7","3","4","7","5","2","4","1") = "6"
    & skf21("7","3","4","7","5","2","5","1") = "6"
    & skf21("7","3","4","7","5","2","6","1") = "6"
    & skf21("7","3","4","7","5","2","7","1") = "6"
    & skf21("7","3","4","7","5","3","1","1") = "6"
    & skf21("7","3","4","7","5","3","2","1") = "6"
    & skf21("7","3","4","7","5","3","3","1") = "6"
    & skf21("7","3","4","7","5","3","4","1") = "6"
    & skf21("7","3","4","7","5","3","5","1") = "6"
    & skf21("7","3","4","7","5","3","6","1") = "6"
    & skf21("7","3","4","7","5","3","7","1") = "6"
    & skf21("7","3","4","7","5","4","1","1") = "6"
    & skf21("7","3","4","7","5","4","2","1") = "6"
    & skf21("7","3","4","7","5","4","3","1") = "6"
    & skf21("7","3","4","7","5","4","4","1") = "6"
    & skf21("7","3","4","7","5","4","5","1") = "6"
    & skf21("7","3","4","7","5","4","6","1") = "6"
    & skf21("7","3","4","7","5","4","7","1") = "6"
    & skf21("7","3","4","7","5","5","1","1") = "6"
    & skf21("7","3","4","7","5","5","2","1") = "6"
    & skf21("7","3","4","7","5","5","3","1") = "6"
    & skf21("7","3","4","7","5","5","4","1") = "6"
    & skf21("7","3","4","7","5","5","5","1") = "6"
    & skf21("7","3","4","7","5","5","6","1") = "6"
    & skf21("7","3","4","7","5","5","7","1") = "6"
    & skf21("7","3","4","7","5","6","1","1") = "6"
    & skf21("7","3","4","7","5","6","2","1") = "6"
    & skf21("7","3","4","7","5","6","3","1") = "6"
    & skf21("7","3","4","7","5","6","4","1") = "6"
    & skf21("7","3","4","7","5","6","5","1") = "6"
    & skf21("7","3","4","7","5","6","6","1") = "6"
    & skf21("7","3","4","7","5","6","7","1") = "6"
    & skf21("7","3","4","7","5","7","1","1") = "6"
    & skf21("7","3","4","7","5","7","2","1") = "6"
    & skf21("7","3","4","7","5","7","3","1") = "6"
    & skf21("7","3","4","7","5","7","4","1") = "6"
    & skf21("7","3","4","7","5","7","5","1") = "6"
    & skf21("7","3","4","7","5","7","6","1") = "6"
    & skf21("7","3","4","7","5","7","7","1") = "6"
    & skf21("7","3","4","7","6","1","1","1") = "6"
    & skf21("7","3","4","7","6","1","2","1") = "6"
    & skf21("7","3","4","7","6","1","3","1") = "6"
    & skf21("7","3","4","7","6","1","4","1") = "6"
    & skf21("7","3","4","7","6","1","5","1") = "6"
    & skf21("7","3","4","7","6","1","6","1") = "6"
    & skf21("7","3","4","7","6","1","7","1") = "6"
    & skf21("7","3","4","7","6","2","1","1") = "6"
    & skf21("7","3","4","7","6","2","2","1") = "6"
    & skf21("7","3","4","7","6","2","3","1") = "6"
    & skf21("7","3","4","7","6","2","4","1") = "6"
    & skf21("7","3","4","7","6","2","5","1") = "6"
    & skf21("7","3","4","7","6","2","6","1") = "6"
    & skf21("7","3","4","7","6","2","7","1") = "6"
    & skf21("7","3","4","7","6","3","1","1") = "6"
    & skf21("7","3","4","7","6","3","2","1") = "6"
    & skf21("7","3","4","7","6","3","3","1") = "6"
    & skf21("7","3","4","7","6","3","4","1") = "6"
    & skf21("7","3","4","7","6","3","5","1") = "6"
    & skf21("7","3","4","7","6","3","6","1") = "6"
    & skf21("7","3","4","7","6","3","7","1") = "6"
    & skf21("7","3","4","7","6","4","1","1") = "6"
    & skf21("7","3","4","7","6","4","2","1") = "6"
    & skf21("7","3","4","7","6","4","3","1") = "6"
    & skf21("7","3","4","7","6","4","4","1") = "6"
    & skf21("7","3","4","7","6","4","5","1") = "6"
    & skf21("7","3","4","7","6","4","6","1") = "6"
    & skf21("7","3","4","7","6","4","7","1") = "6"
    & skf21("7","3","4","7","6","5","1","1") = "6"
    & skf21("7","3","4","7","6","5","2","1") = "6"
    & skf21("7","3","4","7","6","5","3","1") = "6"
    & skf21("7","3","4","7","6","5","4","1") = "6"
    & skf21("7","3","4","7","6","5","5","1") = "6"
    & skf21("7","3","4","7","6","5","6","1") = "6"
    & skf21("7","3","4","7","6","5","7","1") = "6"
    & skf21("7","3","4","7","6","6","1","1") = "6"
    & skf21("7","3","4","7","6","6","2","1") = "6"
    & skf21("7","3","4","7","6","6","3","1") = "6"
    & skf21("7","3","4","7","6","6","4","1") = "6"
    & skf21("7","3","4","7","6","6","5","1") = "6"
    & skf21("7","3","4","7","6","6","6","1") = "6"
    & skf21("7","3","4","7","6","6","7","1") = "6"
    & skf21("7","3","4","7","6","7","1","1") = "6"
    & skf21("7","3","4","7","6","7","2","1") = "6"
    & skf21("7","3","4","7","6","7","3","1") = "6"
    & skf21("7","3","4","7","6","7","4","1") = "6"
    & skf21("7","3","4","7","6","7","5","1") = "6"
    & skf21("7","3","4","7","6","7","6","1") = "6"
    & skf21("7","3","4","7","6","7","7","1") = "6"
    & skf21("7","3","4","7","7","1","1","1") = "6"
    & skf21("7","3","4","7","7","1","2","1") = "6"
    & skf21("7","3","4","7","7","1","3","1") = "6"
    & skf21("7","3","4","7","7","1","4","1") = "6"
    & skf21("7","3","4","7","7","1","5","1") = "6"
    & skf21("7","3","4","7","7","1","6","1") = "6"
    & skf21("7","3","4","7","7","1","7","1") = "6"
    & skf21("7","3","4","7","7","2","1","1") = "6"
    & skf21("7","3","4","7","7","2","2","1") = "6"
    & skf21("7","3","4","7","7","2","3","1") = "6"
    & skf21("7","3","4","7","7","2","4","1") = "6"
    & skf21("7","3","4","7","7","2","5","1") = "6"
    & skf21("7","3","4","7","7","2","6","1") = "6"
    & skf21("7","3","4","7","7","2","7","1") = "6"
    & skf21("7","3","4","7","7","3","1","1") = "6"
    & skf21("7","3","4","7","7","3","2","1") = "6"
    & skf21("7","3","4","7","7","3","3","1") = "6"
    & skf21("7","3","4","7","7","3","4","1") = "6"
    & skf21("7","3","4","7","7","3","5","1") = "6"
    & skf21("7","3","4","7","7","3","6","1") = "6"
    & skf21("7","3","4","7","7","3","7","1") = "6"
    & skf21("7","3","4","7","7","4","1","1") = "6"
    & skf21("7","3","4","7","7","4","2","1") = "6"
    & skf21("7","3","4","7","7","4","3","1") = "6"
    & skf21("7","3","4","7","7","4","4","1") = "6"
    & skf21("7","3","4","7","7","4","5","1") = "6"
    & skf21("7","3","4","7","7","4","6","1") = "6"
    & skf21("7","3","4","7","7","4","7","1") = "6"
    & skf21("7","3","4","7","7","5","1","1") = "6"
    & skf21("7","3","4","7","7","5","2","1") = "6"
    & skf21("7","3","4","7","7","5","3","1") = "6"
    & skf21("7","3","4","7","7","5","4","1") = "6"
    & skf21("7","3","4","7","7","5","5","1") = "6"
    & skf21("7","3","4","7","7","5","6","1") = "6"
    & skf21("7","3","4","7","7","5","7","1") = "6"
    & skf21("7","3","4","7","7","6","1","1") = "6"
    & skf21("7","3","4","7","7","6","2","1") = "6"
    & skf21("7","3","4","7","7","6","3","1") = "6"
    & skf21("7","3","4","7","7","6","4","1") = "6"
    & skf21("7","3","4","7","7","6","5","1") = "6"
    & skf21("7","3","4","7","7","6","6","1") = "6"
    & skf21("7","3","4","7","7","6","7","1") = "6"
    & skf21("7","3","4","7","7","7","1","1") = "6"
    & skf21("7","3","4","7","7","7","2","1") = "6"
    & skf21("7","3","4","7","7","7","3","1") = "6"
    & skf21("7","3","4","7","7","7","4","1") = "6"
    & skf21("7","3","4","7","7","7","5","1") = "6"
    & skf21("7","3","4","7","7","7","6","1") = "6"
    & skf21("7","3","4","7","7","7","7","1") = "6"
    & skf21("7","3","5","1","1","1","1","1") = "6"
    & skf21("7","3","5","1","1","1","2","1") = "6"
    & skf21("7","3","5","1","1","1","3","1") = "6"
    & skf21("7","3","5","1","1","1","4","1") = "6"
    & skf21("7","3","5","1","1","1","5","1") = "6"
    & skf21("7","3","5","1","1","1","6","1") = "6"
    & skf21("7","3","5","1","1","1","7","1") = "6"
    & skf21("7","3","5","1","1","2","1","1") = "6"
    & skf21("7","3","5","1","1","2","2","1") = "6"
    & skf21("7","3","5","1","1","2","3","1") = "6"
    & skf21("7","3","5","1","1","2","4","1") = "6"
    & skf21("7","3","5","1","1","2","5","1") = "6"
    & skf21("7","3","5","1","1","2","6","1") = "6"
    & skf21("7","3","5","1","1","2","7","1") = "6"
    & skf21("7","3","5","1","1","3","1","1") = "6"
    & skf21("7","3","5","1","1","3","2","1") = "6"
    & skf21("7","3","5","1","1","3","3","1") = "6"
    & skf21("7","3","5","1","1","3","4","1") = "6"
    & skf21("7","3","5","1","1","3","5","1") = "6"
    & skf21("7","3","5","1","1","3","6","1") = "6"
    & skf21("7","3","5","1","1","3","7","1") = "6"
    & skf21("7","3","5","1","1","4","1","1") = "6"
    & skf21("7","3","5","1","1","4","2","1") = "6"
    & skf21("7","3","5","1","1","4","3","1") = "6"
    & skf21("7","3","5","1","1","4","4","1") = "6"
    & skf21("7","3","5","1","1","4","5","1") = "6"
    & skf21("7","3","5","1","1","4","6","1") = "6"
    & skf21("7","3","5","1","1","4","7","1") = "6"
    & skf21("7","3","5","1","1","5","1","1") = "6"
    & skf21("7","3","5","1","1","5","2","1") = "6"
    & skf21("7","3","5","1","1","5","3","1") = "6"
    & skf21("7","3","5","1","1","5","4","1") = "6"
    & skf21("7","3","5","1","1","5","5","1") = "6"
    & skf21("7","3","5","1","1","5","6","1") = "6"
    & skf21("7","3","5","1","1","5","7","1") = "6"
    & skf21("7","3","5","1","1","6","1","1") = "6"
    & skf21("7","3","5","1","1","6","2","1") = "6"
    & skf21("7","3","5","1","1","6","3","1") = "6"
    & skf21("7","3","5","1","1","6","4","1") = "6"
    & skf21("7","3","5","1","1","6","5","1") = "6"
    & skf21("7","3","5","1","1","6","6","1") = "6"
    & skf21("7","3","5","1","1","6","7","1") = "6"
    & skf21("7","3","5","1","1","7","1","1") = "6"
    & skf21("7","3","5","1","1","7","2","1") = "6"
    & skf21("7","3","5","1","1","7","3","1") = "6"
    & skf21("7","3","5","1","1","7","4","1") = "6"
    & skf21("7","3","5","1","1","7","5","1") = "6"
    & skf21("7","3","5","1","1","7","6","1") = "6"
    & skf21("7","3","5","1","1","7","7","1") = "6"
    & skf21("7","3","5","1","2","1","1","1") = "6"
    & skf21("7","3","5","1","2","1","2","1") = "6"
    & skf21("7","3","5","1","2","1","3","1") = "6"
    & skf21("7","3","5","1","2","1","4","1") = "6"
    & skf21("7","3","5","1","2","1","5","1") = "6"
    & skf21("7","3","5","1","2","1","6","1") = "6"
    & skf21("7","3","5","1","2","1","7","1") = "6"
    & skf21("7","3","5","1","2","2","1","1") = "6"
    & skf21("7","3","5","1","2","2","2","1") = "6"
    & skf21("7","3","5","1","2","2","3","1") = "6"
    & skf21("7","3","5","1","2","2","4","1") = "6"
    & skf21("7","3","5","1","2","2","5","1") = "6"
    & skf21("7","3","5","1","2","2","6","1") = "6"
    & skf21("7","3","5","1","2","2","7","1") = "6"
    & skf21("7","3","5","1","2","3","1","1") = "6"
    & skf21("7","3","5","1","2","3","2","1") = "6"
    & skf21("7","3","5","1","2","3","3","1") = "6"
    & skf21("7","3","5","1","2","3","4","1") = "6"
    & skf21("7","3","5","1","2","3","5","1") = "6"
    & skf21("7","3","5","1","2","3","6","1") = "6"
    & skf21("7","3","5","1","2","3","7","1") = "6"
    & skf21("7","3","5","1","2","4","1","1") = "6"
    & skf21("7","3","5","1","2","4","2","1") = "6"
    & skf21("7","3","5","1","2","4","3","1") = "6"
    & skf21("7","3","5","1","2","4","4","1") = "6"
    & skf21("7","3","5","1","2","4","5","1") = "6"
    & skf21("7","3","5","1","2","4","6","1") = "6"
    & skf21("7","3","5","1","2","4","7","1") = "6"
    & skf21("7","3","5","1","2","5","1","1") = "6"
    & skf21("7","3","5","1","2","5","2","1") = "6"
    & skf21("7","3","5","1","2","5","3","1") = "6"
    & skf21("7","3","5","1","2","5","4","1") = "6"
    & skf21("7","3","5","1","2","5","5","1") = "6"
    & skf21("7","3","5","1","2","5","6","1") = "6"
    & skf21("7","3","5","1","2","5","7","1") = "6"
    & skf21("7","3","5","1","2","6","1","1") = "6"
    & skf21("7","3","5","1","2","6","2","1") = "6"
    & skf21("7","3","5","1","2","6","3","1") = "6"
    & skf21("7","3","5","1","2","6","4","1") = "6"
    & skf21("7","3","5","1","2","6","5","1") = "6"
    & skf21("7","3","5","1","2","6","6","1") = "6"
    & skf21("7","3","5","1","2","6","7","1") = "6"
    & skf21("7","3","5","1","2","7","1","1") = "6"
    & skf21("7","3","5","1","2","7","2","1") = "6"
    & skf21("7","3","5","1","2","7","3","1") = "6"
    & skf21("7","3","5","1","2","7","4","1") = "6"
    & skf21("7","3","5","1","2","7","5","1") = "6"
    & skf21("7","3","5","1","2","7","6","1") = "6"
    & skf21("7","3","5","1","2","7","7","1") = "6"
    & skf21("7","3","5","1","3","1","1","1") = "6"
    & skf21("7","3","5","1","3","1","2","1") = "6"
    & skf21("7","3","5","1","3","1","3","1") = "6"
    & skf21("7","3","5","1","3","1","4","1") = "6"
    & skf21("7","3","5","1","3","1","5","1") = "6"
    & skf21("7","3","5","1","3","1","6","1") = "6"
    & skf21("7","3","5","1","3","1","7","1") = "6"
    & skf21("7","3","5","1","3","2","1","1") = "6"
    & skf21("7","3","5","1","3","2","2","1") = "6"
    & skf21("7","3","5","1","3","2","3","1") = "6"
    & skf21("7","3","5","1","3","2","4","1") = "6"
    & skf21("7","3","5","1","3","2","5","1") = "6"
    & skf21("7","3","5","1","3","2","6","1") = "6"
    & skf21("7","3","5","1","3","2","7","1") = "6"
    & skf21("7","3","5","1","3","3","1","1") = "6"
    & skf21("7","3","5","1","3","3","2","1") = "6"
    & skf21("7","3","5","1","3","3","3","1") = "6"
    & skf21("7","3","5","1","3","3","4","1") = "6"
    & skf21("7","3","5","1","3","3","5","1") = "6"
    & skf21("7","3","5","1","3","3","6","1") = "6"
    & skf21("7","3","5","1","3","3","7","1") = "6"
    & skf21("7","3","5","1","3","4","1","1") = "6"
    & skf21("7","3","5","1","3","4","2","1") = "6"
    & skf21("7","3","5","1","3","4","3","1") = "6"
    & skf21("7","3","5","1","3","4","4","1") = "6"
    & skf21("7","3","5","1","3","4","5","1") = "6"
    & skf21("7","3","5","1","3","4","6","1") = "6"
    & skf21("7","3","5","1","3","4","7","1") = "6"
    & skf21("7","3","5","1","3","5","1","1") = "6"
    & skf21("7","3","5","1","3","5","2","1") = "6"
    & skf21("7","3","5","1","3","5","3","1") = "6"
    & skf21("7","3","5","1","3","5","4","1") = "6"
    & skf21("7","3","5","1","3","5","5","1") = "6"
    & skf21("7","3","5","1","3","5","6","1") = "6"
    & skf21("7","3","5","1","3","5","7","1") = "6"
    & skf21("7","3","5","1","3","6","1","1") = "6"
    & skf21("7","3","5","1","3","6","2","1") = "6"
    & skf21("7","3","5","1","3","6","3","1") = "6"
    & skf21("7","3","5","1","3","6","4","1") = "6"
    & skf21("7","3","5","1","3","6","5","1") = "6"
    & skf21("7","3","5","1","3","6","6","1") = "6"
    & skf21("7","3","5","1","3","6","7","1") = "6"
    & skf21("7","3","5","1","3","7","1","1") = "6"
    & skf21("7","3","5","1","3","7","2","1") = "6"
    & skf21("7","3","5","1","3","7","3","1") = "6"
    & skf21("7","3","5","1","3","7","4","1") = "6"
    & skf21("7","3","5","1","3","7","5","1") = "6"
    & skf21("7","3","5","1","3","7","6","1") = "6"
    & skf21("7","3","5","1","3","7","7","1") = "6"
    & skf21("7","3","5","1","4","1","1","1") = "6"
    & skf21("7","3","5","1","4","1","2","1") = "6"
    & skf21("7","3","5","1","4","1","3","1") = "6"
    & skf21("7","3","5","1","4","1","4","1") = "6"
    & skf21("7","3","5","1","4","1","5","1") = "6"
    & skf21("7","3","5","1","4","1","6","1") = "6"
    & skf21("7","3","5","1","4","1","7","1") = "6"
    & skf21("7","3","5","1","4","2","1","1") = "6"
    & skf21("7","3","5","1","4","2","2","1") = "6"
    & skf21("7","3","5","1","4","2","3","1") = "6"
    & skf21("7","3","5","1","4","2","4","1") = "6"
    & skf21("7","3","5","1","4","2","5","1") = "6"
    & skf21("7","3","5","1","4","2","6","1") = "6"
    & skf21("7","3","5","1","4","2","7","1") = "6"
    & skf21("7","3","5","1","4","3","1","1") = "6"
    & skf21("7","3","5","1","4","3","2","1") = "6"
    & skf21("7","3","5","1","4","3","3","1") = "6"
    & skf21("7","3","5","1","4","3","4","1") = "6"
    & skf21("7","3","5","1","4","3","5","1") = "6"
    & skf21("7","3","5","1","4","3","6","1") = "6"
    & skf21("7","3","5","1","4","3","7","1") = "6"
    & skf21("7","3","5","1","4","4","1","1") = "6"
    & skf21("7","3","5","1","4","4","2","1") = "6"
    & skf21("7","3","5","1","4","4","3","1") = "6"
    & skf21("7","3","5","1","4","4","4","1") = "6"
    & skf21("7","3","5","1","4","4","5","1") = "6"
    & skf21("7","3","5","1","4","4","6","1") = "6"
    & skf21("7","3","5","1","4","4","7","1") = "6"
    & skf21("7","3","5","1","4","5","1","1") = "6"
    & skf21("7","3","5","1","4","5","2","1") = "6"
    & skf21("7","3","5","1","4","5","3","1") = "6"
    & skf21("7","3","5","1","4","5","4","1") = "6"
    & skf21("7","3","5","1","4","5","5","1") = "6"
    & skf21("7","3","5","1","4","5","6","1") = "6"
    & skf21("7","3","5","1","4","5","7","1") = "6"
    & skf21("7","3","5","1","4","6","1","1") = "6"
    & skf21("7","3","5","1","4","6","2","1") = "6"
    & skf21("7","3","5","1","4","6","3","1") = "6"
    & skf21("7","3","5","1","4","6","4","1") = "6"
    & skf21("7","3","5","1","4","6","5","1") = "6"
    & skf21("7","3","5","1","4","6","6","1") = "6"
    & skf21("7","3","5","1","4","6","7","1") = "6"
    & skf21("7","3","5","1","4","7","1","1") = "6"
    & skf21("7","3","5","1","4","7","2","1") = "6"
    & skf21("7","3","5","1","4","7","3","1") = "6"
    & skf21("7","3","5","1","4","7","4","1") = "6"
    & skf21("7","3","5","1","4","7","5","1") = "6"
    & skf21("7","3","5","1","4","7","6","1") = "6"
    & skf21("7","3","5","1","4","7","7","1") = "6"
    & skf21("7","3","5","1","5","1","1","1") = "6"
    & skf21("7","3","5","1","5","1","2","1") = "6"
    & skf21("7","3","5","1","5","1","3","1") = "6"
    & skf21("7","3","5","1","5","1","4","1") = "6"
    & skf21("7","3","5","1","5","1","5","1") = "6"
    & skf21("7","3","5","1","5","1","6","1") = "6"
    & skf21("7","3","5","1","5","1","7","1") = "6"
    & skf21("7","3","5","1","5","2","1","1") = "6"
    & skf21("7","3","5","1","5","2","2","1") = "6"
    & skf21("7","3","5","1","5","2","3","1") = "6"
    & skf21("7","3","5","1","5","2","4","1") = "6"
    & skf21("7","3","5","1","5","2","5","1") = "6"
    & skf21("7","3","5","1","5","2","6","1") = "6"
    & skf21("7","3","5","1","5","2","7","1") = "6"
    & skf21("7","3","5","1","5","3","1","1") = "6"
    & skf21("7","3","5","1","5","3","2","1") = "6"
    & skf21("7","3","5","1","5","3","3","1") = "6"
    & skf21("7","3","5","1","5","3","4","1") = "6"
    & skf21("7","3","5","1","5","3","5","1") = "6"
    & skf21("7","3","5","1","5","3","6","1") = "6"
    & skf21("7","3","5","1","5","3","7","1") = "6"
    & skf21("7","3","5","1","5","4","1","1") = "6"
    & skf21("7","3","5","1","5","4","2","1") = "6"
    & skf21("7","3","5","1","5","4","3","1") = "6"
    & skf21("7","3","5","1","5","4","4","1") = "6"
    & skf21("7","3","5","1","5","4","5","1") = "6"
    & skf21("7","3","5","1","5","4","6","1") = "6"
    & skf21("7","3","5","1","5","4","7","1") = "6"
    & skf21("7","3","5","1","5","5","1","1") = "6"
    & skf21("7","3","5","1","5","5","2","1") = "6"
    & skf21("7","3","5","1","5","5","3","1") = "6"
    & skf21("7","3","5","1","5","5","4","1") = "6"
    & skf21("7","3","5","1","5","5","5","1") = "6"
    & skf21("7","3","5","1","5","5","6","1") = "6"
    & skf21("7","3","5","1","5","5","7","1") = "6"
    & skf21("7","3","5","1","5","6","1","1") = "6"
    & skf21("7","3","5","1","5","6","2","1") = "6"
    & skf21("7","3","5","1","5","6","3","1") = "6"
    & skf21("7","3","5","1","5","6","4","1") = "6"
    & skf21("7","3","5","1","5","6","5","1") = "6"
    & skf21("7","3","5","1","5","6","6","1") = "6"
    & skf21("7","3","5","1","5","6","7","1") = "6"
    & skf21("7","3","5","1","5","7","1","1") = "6"
    & skf21("7","3","5","1","5","7","2","1") = "6"
    & skf21("7","3","5","1","5","7","3","1") = "6"
    & skf21("7","3","5","1","5","7","4","1") = "6"
    & skf21("7","3","5","1","5","7","5","1") = "6"
    & skf21("7","3","5","1","5","7","6","1") = "6"
    & skf21("7","3","5","1","5","7","7","1") = "6"
    & skf21("7","3","5","1","6","1","1","1") = "6"
    & skf21("7","3","5","1","6","1","2","1") = "6"
    & skf21("7","3","5","1","6","1","3","1") = "6"
    & skf21("7","3","5","1","6","1","4","1") = "6"
    & skf21("7","3","5","1","6","1","5","1") = "6"
    & skf21("7","3","5","1","6","1","6","1") = "6"
    & skf21("7","3","5","1","6","1","7","1") = "6"
    & skf21("7","3","5","1","6","2","1","1") = "6"
    & skf21("7","3","5","1","6","2","2","1") = "6"
    & skf21("7","3","5","1","6","2","3","1") = "6"
    & skf21("7","3","5","1","6","2","4","1") = "6"
    & skf21("7","3","5","1","6","2","5","1") = "6"
    & skf21("7","3","5","1","6","2","6","1") = "6"
    & skf21("7","3","5","1","6","2","7","1") = "6"
    & skf21("7","3","5","1","6","3","1","1") = "6"
    & skf21("7","3","5","1","6","3","2","1") = "6"
    & skf21("7","3","5","1","6","3","3","1") = "6"
    & skf21("7","3","5","1","6","3","4","1") = "6"
    & skf21("7","3","5","1","6","3","5","1") = "6"
    & skf21("7","3","5","1","6","3","6","1") = "6"
    & skf21("7","3","5","1","6","3","7","1") = "6"
    & skf21("7","3","5","1","6","4","1","1") = "6"
    & skf21("7","3","5","1","6","4","2","1") = "6"
    & skf21("7","3","5","1","6","4","3","1") = "6"
    & skf21("7","3","5","1","6","4","4","1") = "6"
    & skf21("7","3","5","1","6","4","5","1") = "6"
    & skf21("7","3","5","1","6","4","6","1") = "6"
    & skf21("7","3","5","1","6","4","7","1") = "6"
    & skf21("7","3","5","1","6","5","1","1") = "6"
    & skf21("7","3","5","1","6","5","2","1") = "6"
    & skf21("7","3","5","1","6","5","3","1") = "6"
    & skf21("7","3","5","1","6","5","4","1") = "6"
    & skf21("7","3","5","1","6","5","5","1") = "6"
    & skf21("7","3","5","1","6","5","6","1") = "6"
    & skf21("7","3","5","1","6","5","7","1") = "6"
    & skf21("7","3","5","1","6","6","1","1") = "6"
    & skf21("7","3","5","1","6","6","2","1") = "6"
    & skf21("7","3","5","1","6","6","3","1") = "6"
    & skf21("7","3","5","1","6","6","4","1") = "6"
    & skf21("7","3","5","1","6","6","5","1") = "6"
    & skf21("7","3","5","1","6","6","6","1") = "6"
    & skf21("7","3","5","1","6","6","7","1") = "6"
    & skf21("7","3","5","1","6","7","1","1") = "6"
    & skf21("7","3","5","1","6","7","2","1") = "6"
    & skf21("7","3","5","1","6","7","3","1") = "6"
    & skf21("7","3","5","1","6","7","4","1") = "6"
    & skf21("7","3","5","1","6","7","5","1") = "6"
    & skf21("7","3","5","1","6","7","6","1") = "6"
    & skf21("7","3","5","1","6","7","7","1") = "6"
    & skf21("7","3","5","1","7","1","1","1") = "6"
    & skf21("7","3","5","1","7","1","2","1") = "6"
    & skf21("7","3","5","1","7","1","3","1") = "6"
    & skf21("7","3","5","1","7","1","4","1") = "6"
    & skf21("7","3","5","1","7","1","5","1") = "6"
    & skf21("7","3","5","1","7","1","6","1") = "6"
    & skf21("7","3","5","1","7","1","7","1") = "6"
    & skf21("7","3","5","1","7","2","1","1") = "6"
    & skf21("7","3","5","1","7","2","2","1") = "6"
    & skf21("7","3","5","1","7","2","3","1") = "6"
    & skf21("7","3","5","1","7","2","4","1") = "6"
    & skf21("7","3","5","1","7","2","5","1") = "6"
    & skf21("7","3","5","1","7","2","6","1") = "6"
    & skf21("7","3","5","1","7","2","7","1") = "6"
    & skf21("7","3","5","1","7","3","1","1") = "6"
    & skf21("7","3","5","1","7","3","2","1") = "6"
    & skf21("7","3","5","1","7","3","3","1") = "6"
    & skf21("7","3","5","1","7","3","4","1") = "6"
    & skf21("7","3","5","1","7","3","5","1") = "6"
    & skf21("7","3","5","1","7","3","6","1") = "6"
    & skf21("7","3","5","1","7","3","7","1") = "6"
    & skf21("7","3","5","1","7","4","1","1") = "6"
    & skf21("7","3","5","1","7","4","2","1") = "6"
    & skf21("7","3","5","1","7","4","3","1") = "6"
    & skf21("7","3","5","1","7","4","4","1") = "6"
    & skf21("7","3","5","1","7","4","5","1") = "6"
    & skf21("7","3","5","1","7","4","6","1") = "6"
    & skf21("7","3","5","1","7","4","7","1") = "6"
    & skf21("7","3","5","1","7","5","1","1") = "6"
    & skf21("7","3","5","1","7","5","2","1") = "6"
    & skf21("7","3","5","1","7","5","3","1") = "6"
    & skf21("7","3","5","1","7","5","4","1") = "6"
    & skf21("7","3","5","1","7","5","5","1") = "6"
    & skf21("7","3","5","1","7","5","6","1") = "6"
    & skf21("7","3","5","1","7","5","7","1") = "6"
    & skf21("7","3","5","1","7","6","1","1") = "6"
    & skf21("7","3","5","1","7","6","2","1") = "6"
    & skf21("7","3","5","1","7","6","3","1") = "6"
    & skf21("7","3","5","1","7","6","4","1") = "6"
    & skf21("7","3","5","1","7","6","5","1") = "6"
    & skf21("7","3","5","1","7","6","6","1") = "6"
    & skf21("7","3","5","1","7","6","7","1") = "6"
    & skf21("7","3","5","1","7","7","1","1") = "6"
    & skf21("7","3","5","1","7","7","2","1") = "6"
    & skf21("7","3","5","1","7","7","3","1") = "6"
    & skf21("7","3","5","1","7","7","4","1") = "6"
    & skf21("7","3","5","1","7","7","5","1") = "6"
    & skf21("7","3","5","1","7","7","6","1") = "6"
    & skf21("7","3","5","1","7","7","7","1") = "6"
    & skf21("7","3","5","2","1","1","1","1") = "6"
    & skf21("7","3","5","2","1","1","2","1") = "6"
    & skf21("7","3","5","2","1","1","3","1") = "6"
    & skf21("7","3","5","2","1","1","4","1") = "6"
    & skf21("7","3","5","2","1","1","5","1") = "6"
    & skf21("7","3","5","2","1","1","6","1") = "6"
    & skf21("7","3","5","2","1","1","7","1") = "6"
    & skf21("7","3","5","2","1","2","1","1") = "6"
    & skf21("7","3","5","2","1","2","2","1") = "6"
    & skf21("7","3","5","2","1","2","3","1") = "6"
    & skf21("7","3","5","2","1","2","4","1") = "6"
    & skf21("7","3","5","2","1","2","5","1") = "6"
    & skf21("7","3","5","2","1","2","6","1") = "6"
    & skf21("7","3","5","2","1","2","7","1") = "6"
    & skf21("7","3","5","2","1","3","1","1") = "6"
    & skf21("7","3","5","2","1","3","2","1") = "6"
    & skf21("7","3","5","2","1","3","3","1") = "6"
    & skf21("7","3","5","2","1","3","4","1") = "6"
    & skf21("7","3","5","2","1","3","5","1") = "6"
    & skf21("7","3","5","2","1","3","6","1") = "6"
    & skf21("7","3","5","2","1","3","7","1") = "6"
    & skf21("7","3","5","2","1","4","1","1") = "6"
    & skf21("7","3","5","2","1","4","2","1") = "6"
    & skf21("7","3","5","2","1","4","3","1") = "6"
    & skf21("7","3","5","2","1","4","4","1") = "6"
    & skf21("7","3","5","2","1","4","5","1") = "6"
    & skf21("7","3","5","2","1","4","6","1") = "6"
    & skf21("7","3","5","2","1","4","7","1") = "6"
    & skf21("7","3","5","2","1","5","1","1") = "6"
    & skf21("7","3","5","2","1","5","2","1") = "6"
    & skf21("7","3","5","2","1","5","3","1") = "6"
    & skf21("7","3","5","2","1","5","4","1") = "6"
    & skf21("7","3","5","2","1","5","5","1") = "6"
    & skf21("7","3","5","2","1","5","6","1") = "6"
    & skf21("7","3","5","2","1","5","7","1") = "6"
    & skf21("7","3","5","2","1","6","1","1") = "6"
    & skf21("7","3","5","2","1","6","2","1") = "6"
    & skf21("7","3","5","2","1","6","3","1") = "6"
    & skf21("7","3","5","2","1","6","4","1") = "6"
    & skf21("7","3","5","2","1","6","5","1") = "6"
    & skf21("7","3","5","2","1","6","6","1") = "6"
    & skf21("7","3","5","2","1","6","7","1") = "6"
    & skf21("7","3","5","2","1","7","1","1") = "6"
    & skf21("7","3","5","2","1","7","2","1") = "6"
    & skf21("7","3","5","2","1","7","3","1") = "6"
    & skf21("7","3","5","2","1","7","4","1") = "6"
    & skf21("7","3","5","2","1","7","5","1") = "6"
    & skf21("7","3","5","2","1","7","6","1") = "6"
    & skf21("7","3","5","2","1","7","7","1") = "6"
    & skf21("7","3","5","2","2","1","1","1") = "6"
    & skf21("7","3","5","2","2","1","2","1") = "6"
    & skf21("7","3","5","2","2","1","3","1") = "6"
    & skf21("7","3","5","2","2","1","4","1") = "6"
    & skf21("7","3","5","2","2","1","5","1") = "6"
    & skf21("7","3","5","2","2","1","6","1") = "6"
    & skf21("7","3","5","2","2","1","7","1") = "6"
    & skf21("7","3","5","2","2","2","1","1") = "6"
    & skf21("7","3","5","2","2","2","2","1") = "6"
    & skf21("7","3","5","2","2","2","3","1") = "6"
    & skf21("7","3","5","2","2","2","4","1") = "6"
    & skf21("7","3","5","2","2","2","5","1") = "6"
    & skf21("7","3","5","2","2","2","6","1") = "6"
    & skf21("7","3","5","2","2","2","7","1") = "6"
    & skf21("7","3","5","2","2","3","1","1") = "6"
    & skf21("7","3","5","2","2","3","2","1") = "6"
    & skf21("7","3","5","2","2","3","3","1") = "6"
    & skf21("7","3","5","2","2","3","4","1") = "6"
    & skf21("7","3","5","2","2","3","5","1") = "6"
    & skf21("7","3","5","2","2","3","6","1") = "6"
    & skf21("7","3","5","2","2","3","7","1") = "6"
    & skf21("7","3","5","2","2","4","1","1") = "6"
    & skf21("7","3","5","2","2","4","2","1") = "6"
    & skf21("7","3","5","2","2","4","3","1") = "6"
    & skf21("7","3","5","2","2","4","4","1") = "6"
    & skf21("7","3","5","2","2","4","5","1") = "6"
    & skf21("7","3","5","2","2","4","6","1") = "6"
    & skf21("7","3","5","2","2","4","7","1") = "6"
    & skf21("7","3","5","2","2","5","1","1") = "6"
    & skf21("7","3","5","2","2","5","2","1") = "6"
    & skf21("7","3","5","2","2","5","3","1") = "6"
    & skf21("7","3","5","2","2","5","4","1") = "6"
    & skf21("7","3","5","2","2","5","5","1") = "6"
    & skf21("7","3","5","2","2","5","6","1") = "6"
    & skf21("7","3","5","2","2","5","7","1") = "6"
    & skf21("7","3","5","2","2","6","1","1") = "6"
    & skf21("7","3","5","2","2","6","2","1") = "6"
    & skf21("7","3","5","2","2","6","3","1") = "6"
    & skf21("7","3","5","2","2","6","4","1") = "6"
    & skf21("7","3","5","2","2","6","5","1") = "6"
    & skf21("7","3","5","2","2","6","6","1") = "6"
    & skf21("7","3","5","2","2","6","7","1") = "6"
    & skf21("7","3","5","2","2","7","1","1") = "6"
    & skf21("7","3","5","2","2","7","2","1") = "6"
    & skf21("7","3","5","2","2","7","3","1") = "6"
    & skf21("7","3","5","2","2","7","4","1") = "6"
    & skf21("7","3","5","2","2","7","5","1") = "6"
    & skf21("7","3","5","2","2","7","6","1") = "6"
    & skf21("7","3","5","2","2","7","7","1") = "6"
    & skf21("7","3","5","2","3","1","1","1") = "6"
    & skf21("7","3","5","2","3","1","2","1") = "6"
    & skf21("7","3","5","2","3","1","3","1") = "6"
    & skf21("7","3","5","2","3","1","4","1") = "6"
    & skf21("7","3","5","2","3","1","5","1") = "6"
    & skf21("7","3","5","2","3","1","6","1") = "6"
    & skf21("7","3","5","2","3","1","7","1") = "6"
    & skf21("7","3","5","2","3","2","1","1") = "6"
    & skf21("7","3","5","2","3","2","2","1") = "6"
    & skf21("7","3","5","2","3","2","3","1") = "6"
    & skf21("7","3","5","2","3","2","4","1") = "6"
    & skf21("7","3","5","2","3","2","5","1") = "6"
    & skf21("7","3","5","2","3","2","6","1") = "6"
    & skf21("7","3","5","2","3","2","7","1") = "6"
    & skf21("7","3","5","2","3","3","1","1") = "6"
    & skf21("7","3","5","2","3","3","2","1") = "6"
    & skf21("7","3","5","2","3","3","3","1") = "6"
    & skf21("7","3","5","2","3","3","4","1") = "6"
    & skf21("7","3","5","2","3","3","5","1") = "6"
    & skf21("7","3","5","2","3","3","6","1") = "6"
    & skf21("7","3","5","2","3","3","7","1") = "6"
    & skf21("7","3","5","2","3","4","1","1") = "6"
    & skf21("7","3","5","2","3","4","2","1") = "6"
    & skf21("7","3","5","2","3","4","3","1") = "6"
    & skf21("7","3","5","2","3","4","4","1") = "6"
    & skf21("7","3","5","2","3","4","5","1") = "6"
    & skf21("7","3","5","2","3","4","6","1") = "6"
    & skf21("7","3","5","2","3","4","7","1") = "6"
    & skf21("7","3","5","2","3","5","1","1") = "6"
    & skf21("7","3","5","2","3","5","2","1") = "6"
    & skf21("7","3","5","2","3","5","3","1") = "6"
    & skf21("7","3","5","2","3","5","4","1") = "6"
    & skf21("7","3","5","2","3","5","5","1") = "6"
    & skf21("7","3","5","2","3","5","6","1") = "6"
    & skf21("7","3","5","2","3","5","7","1") = "6"
    & skf21("7","3","5","2","3","6","1","1") = "6"
    & skf21("7","3","5","2","3","6","2","1") = "6"
    & skf21("7","3","5","2","3","6","3","1") = "6"
    & skf21("7","3","5","2","3","6","4","1") = "6"
    & skf21("7","3","5","2","3","6","5","1") = "6"
    & skf21("7","3","5","2","3","6","6","1") = "6"
    & skf21("7","3","5","2","3","6","7","1") = "6"
    & skf21("7","3","5","2","3","7","1","1") = "6"
    & skf21("7","3","5","2","3","7","2","1") = "6"
    & skf21("7","3","5","2","3","7","3","1") = "6"
    & skf21("7","3","5","2","3","7","4","1") = "6"
    & skf21("7","3","5","2","3","7","5","1") = "6"
    & skf21("7","3","5","2","3","7","6","1") = "6"
    & skf21("7","3","5","2","3","7","7","1") = "6"
    & skf21("7","3","5","2","4","1","1","1") = "6"
    & skf21("7","3","5","2","4","1","2","1") = "6"
    & skf21("7","3","5","2","4","1","3","1") = "6"
    & skf21("7","3","5","2","4","1","4","1") = "6"
    & skf21("7","3","5","2","4","1","5","1") = "6"
    & skf21("7","3","5","2","4","1","6","1") = "6"
    & skf21("7","3","5","2","4","1","7","1") = "6"
    & skf21("7","3","5","2","4","2","1","1") = "6"
    & skf21("7","3","5","2","4","2","2","1") = "6"
    & skf21("7","3","5","2","4","2","3","1") = "6"
    & skf21("7","3","5","2","4","2","4","1") = "6"
    & skf21("7","3","5","2","4","2","5","1") = "6"
    & skf21("7","3","5","2","4","2","6","1") = "6"
    & skf21("7","3","5","2","4","2","7","1") = "6"
    & skf21("7","3","5","2","4","3","1","1") = "6"
    & skf21("7","3","5","2","4","3","2","1") = "6"
    & skf21("7","3","5","2","4","3","3","1") = "6"
    & skf21("7","3","5","2","4","3","4","1") = "6"
    & skf21("7","3","5","2","4","3","5","1") = "6"
    & skf21("7","3","5","2","4","3","6","1") = "6"
    & skf21("7","3","5","2","4","3","7","1") = "6"
    & skf21("7","3","5","2","4","4","1","1") = "6"
    & skf21("7","3","5","2","4","4","2","1") = "6"
    & skf21("7","3","5","2","4","4","3","1") = "6"
    & skf21("7","3","5","2","4","4","4","1") = "6"
    & skf21("7","3","5","2","4","4","5","1") = "6"
    & skf21("7","3","5","2","4","4","6","1") = "6"
    & skf21("7","3","5","2","4","4","7","1") = "6"
    & skf21("7","3","5","2","4","5","1","1") = "6"
    & skf21("7","3","5","2","4","5","2","1") = "6"
    & skf21("7","3","5","2","4","5","3","1") = "6"
    & skf21("7","3","5","2","4","5","4","1") = "6"
    & skf21("7","3","5","2","4","5","5","1") = "6"
    & skf21("7","3","5","2","4","5","6","1") = "6"
    & skf21("7","3","5","2","4","5","7","1") = "6"
    & skf21("7","3","5","2","4","6","1","1") = "6"
    & skf21("7","3","5","2","4","6","2","1") = "6"
    & skf21("7","3","5","2","4","6","3","1") = "6"
    & skf21("7","3","5","2","4","6","4","1") = "6"
    & skf21("7","3","5","2","4","6","5","1") = "6"
    & skf21("7","3","5","2","4","6","6","1") = "6"
    & skf21("7","3","5","2","4","6","7","1") = "6"
    & skf21("7","3","5","2","4","7","1","1") = "6"
    & skf21("7","3","5","2","4","7","2","1") = "6"
    & skf21("7","3","5","2","4","7","3","1") = "6"
    & skf21("7","3","5","2","4","7","4","1") = "6"
    & skf21("7","3","5","2","4","7","5","1") = "6"
    & skf21("7","3","5","2","4","7","6","1") = "6"
    & skf21("7","3","5","2","4","7","7","1") = "6"
    & skf21("7","3","5","2","5","1","1","1") = "6"
    & skf21("7","3","5","2","5","1","2","1") = "6"
    & skf21("7","3","5","2","5","1","3","1") = "6"
    & skf21("7","3","5","2","5","1","4","1") = "6"
    & skf21("7","3","5","2","5","1","5","1") = "6"
    & skf21("7","3","5","2","5","1","6","1") = "6"
    & skf21("7","3","5","2","5","1","7","1") = "6"
    & skf21("7","3","5","2","5","2","1","1") = "6"
    & skf21("7","3","5","2","5","2","2","1") = "6"
    & skf21("7","3","5","2","5","2","3","1") = "6"
    & skf21("7","3","5","2","5","2","4","1") = "6"
    & skf21("7","3","5","2","5","2","5","1") = "6"
    & skf21("7","3","5","2","5","2","6","1") = "6"
    & skf21("7","3","5","2","5","2","7","1") = "6"
    & skf21("7","3","5","2","5","3","1","1") = "6"
    & skf21("7","3","5","2","5","3","2","1") = "6"
    & skf21("7","3","5","2","5","3","3","1") = "6"
    & skf21("7","3","5","2","5","3","4","1") = "6"
    & skf21("7","3","5","2","5","3","5","1") = "6"
    & skf21("7","3","5","2","5","3","6","1") = "6"
    & skf21("7","3","5","2","5","3","7","1") = "6"
    & skf21("7","3","5","2","5","4","1","1") = "6"
    & skf21("7","3","5","2","5","4","2","1") = "6"
    & skf21("7","3","5","2","5","4","3","1") = "6"
    & skf21("7","3","5","2","5","4","4","1") = "6"
    & skf21("7","3","5","2","5","4","5","1") = "6"
    & skf21("7","3","5","2","5","4","6","1") = "6"
    & skf21("7","3","5","2","5","4","7","1") = "6"
    & skf21("7","3","5","2","5","5","1","1") = "6"
    & skf21("7","3","5","2","5","5","2","1") = "6"
    & skf21("7","3","5","2","5","5","3","1") = "6"
    & skf21("7","3","5","2","5","5","4","1") = "6"
    & skf21("7","3","5","2","5","5","5","1") = "6"
    & skf21("7","3","5","2","5","5","6","1") = "6"
    & skf21("7","3","5","2","5","5","7","1") = "6"
    & skf21("7","3","5","2","5","6","1","1") = "6"
    & skf21("7","3","5","2","5","6","2","1") = "6"
    & skf21("7","3","5","2","5","6","3","1") = "6"
    & skf21("7","3","5","2","5","6","4","1") = "6"
    & skf21("7","3","5","2","5","6","5","1") = "6"
    & skf21("7","3","5","2","5","6","6","1") = "6"
    & skf21("7","3","5","2","5","6","7","1") = "6"
    & skf21("7","3","5","2","5","7","1","1") = "6"
    & skf21("7","3","5","2","5","7","2","1") = "6"
    & skf21("7","3","5","2","5","7","3","1") = "6"
    & skf21("7","3","5","2","5","7","4","1") = "6"
    & skf21("7","3","5","2","5","7","5","1") = "6"
    & skf21("7","3","5","2","5","7","6","1") = "6"
    & skf21("7","3","5","2","5","7","7","1") = "6"
    & skf21("7","3","5","2","6","1","1","1") = "6"
    & skf21("7","3","5","2","6","1","2","1") = "6"
    & skf21("7","3","5","2","6","1","3","1") = "6"
    & skf21("7","3","5","2","6","1","4","1") = "6"
    & skf21("7","3","5","2","6","1","5","1") = "6"
    & skf21("7","3","5","2","6","1","6","1") = "6"
    & skf21("7","3","5","2","6","1","7","1") = "6"
    & skf21("7","3","5","2","6","2","1","1") = "6"
    & skf21("7","3","5","2","6","2","2","1") = "6"
    & skf21("7","3","5","2","6","2","3","1") = "6"
    & skf21("7","3","5","2","6","2","4","1") = "6"
    & skf21("7","3","5","2","6","2","5","1") = "6"
    & skf21("7","3","5","2","6","2","6","1") = "6"
    & skf21("7","3","5","2","6","2","7","1") = "6"
    & skf21("7","3","5","2","6","3","1","1") = "6"
    & skf21("7","3","5","2","6","3","2","1") = "6"
    & skf21("7","3","5","2","6","3","3","1") = "6"
    & skf21("7","3","5","2","6","3","4","1") = "6"
    & skf21("7","3","5","2","6","3","5","1") = "6"
    & skf21("7","3","5","2","6","3","6","1") = "6"
    & skf21("7","3","5","2","6","3","7","1") = "6"
    & skf21("7","3","5","2","6","4","1","1") = "6"
    & skf21("7","3","5","2","6","4","2","1") = "6"
    & skf21("7","3","5","2","6","4","3","1") = "6"
    & skf21("7","3","5","2","6","4","4","1") = "6"
    & skf21("7","3","5","2","6","4","5","1") = "6"
    & skf21("7","3","5","2","6","4","6","1") = "6"
    & skf21("7","3","5","2","6","4","7","1") = "6"
    & skf21("7","3","5","2","6","5","1","1") = "6"
    & skf21("7","3","5","2","6","5","2","1") = "6"
    & skf21("7","3","5","2","6","5","3","1") = "6"
    & skf21("7","3","5","2","6","5","4","1") = "6"
    & skf21("7","3","5","2","6","5","5","1") = "6"
    & skf21("7","3","5","2","6","5","6","1") = "6"
    & skf21("7","3","5","2","6","5","7","1") = "6"
    & skf21("7","3","5","2","6","6","1","1") = "6"
    & skf21("7","3","5","2","6","6","2","1") = "6"
    & skf21("7","3","5","2","6","6","3","1") = "6"
    & skf21("7","3","5","2","6","6","4","1") = "6"
    & skf21("7","3","5","2","6","6","5","1") = "6"
    & skf21("7","3","5","2","6","6","6","1") = "6"
    & skf21("7","3","5","2","6","6","7","1") = "6"
    & skf21("7","3","5","2","6","7","1","1") = "6"
    & skf21("7","3","5","2","6","7","2","1") = "6"
    & skf21("7","3","5","2","6","7","3","1") = "6"
    & skf21("7","3","5","2","6","7","4","1") = "6"
    & skf21("7","3","5","2","6","7","5","1") = "6"
    & skf21("7","3","5","2","6","7","6","1") = "6"
    & skf21("7","3","5","2","6","7","7","1") = "6"
    & skf21("7","3","5","2","7","1","1","1") = "6"
    & skf21("7","3","5","2","7","1","2","1") = "6"
    & skf21("7","3","5","2","7","1","3","1") = "6"
    & skf21("7","3","5","2","7","1","4","1") = "6"
    & skf21("7","3","5","2","7","1","5","1") = "6"
    & skf21("7","3","5","2","7","1","6","1") = "6"
    & skf21("7","3","5","2","7","1","7","1") = "6"
    & skf21("7","3","5","2","7","2","1","1") = "6"
    & skf21("7","3","5","2","7","2","2","1") = "6"
    & skf21("7","3","5","2","7","2","3","1") = "6"
    & skf21("7","3","5","2","7","2","4","1") = "6"
    & skf21("7","3","5","2","7","2","5","1") = "6"
    & skf21("7","3","5","2","7","2","6","1") = "6"
    & skf21("7","3","5","2","7","2","7","1") = "6"
    & skf21("7","3","5","2","7","3","1","1") = "6"
    & skf21("7","3","5","2","7","3","2","1") = "6"
    & skf21("7","3","5","2","7","3","3","1") = "6"
    & skf21("7","3","5","2","7","3","4","1") = "6"
    & skf21("7","3","5","2","7","3","5","1") = "6"
    & skf21("7","3","5","2","7","3","6","1") = "6"
    & skf21("7","3","5","2","7","3","7","1") = "6"
    & skf21("7","3","5","2","7","4","1","1") = "6"
    & skf21("7","3","5","2","7","4","2","1") = "6"
    & skf21("7","3","5","2","7","4","3","1") = "6"
    & skf21("7","3","5","2","7","4","4","1") = "6"
    & skf21("7","3","5","2","7","4","5","1") = "6"
    & skf21("7","3","5","2","7","4","6","1") = "6"
    & skf21("7","3","5","2","7","4","7","1") = "6"
    & skf21("7","3","5","2","7","5","1","1") = "6"
    & skf21("7","3","5","2","7","5","2","1") = "6"
    & skf21("7","3","5","2","7","5","3","1") = "6"
    & skf21("7","3","5","2","7","5","4","1") = "6"
    & skf21("7","3","5","2","7","5","5","1") = "6"
    & skf21("7","3","5","2","7","5","6","1") = "6"
    & skf21("7","3","5","2","7","5","7","1") = "6"
    & skf21("7","3","5","2","7","6","1","1") = "6"
    & skf21("7","3","5","2","7","6","2","1") = "6"
    & skf21("7","3","5","2","7","6","3","1") = "6"
    & skf21("7","3","5","2","7","6","4","1") = "6"
    & skf21("7","3","5","2","7","6","5","1") = "6"
    & skf21("7","3","5","2","7","6","6","1") = "6"
    & skf21("7","3","5","2","7","6","7","1") = "6"
    & skf21("7","3","5","2","7","7","1","1") = "6"
    & skf21("7","3","5","2","7","7","2","1") = "6"
    & skf21("7","3","5","2","7","7","3","1") = "6"
    & skf21("7","3","5","2","7","7","4","1") = "6"
    & skf21("7","3","5","2","7","7","5","1") = "6"
    & skf21("7","3","5","2","7","7","6","1") = "6"
    & skf21("7","3","5","2","7","7","7","1") = "6"
    & skf21("7","3","5","3","1","1","1","1") = "6"
    & skf21("7","3","5","3","1","1","2","1") = "6"
    & skf21("7","3","5","3","1","1","3","1") = "6"
    & skf21("7","3","5","3","1","1","4","1") = "6"
    & skf21("7","3","5","3","1","1","5","1") = "6"
    & skf21("7","3","5","3","1","1","6","1") = "6"
    & skf21("7","3","5","3","1","1","7","1") = "6"
    & skf21("7","3","5","3","1","2","1","1") = "6"
    & skf21("7","3","5","3","1","2","2","1") = "6"
    & skf21("7","3","5","3","1","2","3","1") = "6"
    & skf21("7","3","5","3","1","2","4","1") = "6"
    & skf21("7","3","5","3","1","2","5","1") = "6"
    & skf21("7","3","5","3","1","2","6","1") = "6"
    & skf21("7","3","5","3","1","2","7","1") = "6"
    & skf21("7","3","5","3","1","3","1","1") = "6"
    & skf21("7","3","5","3","1","3","2","1") = "6"
    & skf21("7","3","5","3","1","3","3","1") = "6"
    & skf21("7","3","5","3","1","3","4","1") = "6"
    & skf21("7","3","5","3","1","3","5","1") = "6"
    & skf21("7","3","5","3","1","3","6","1") = "6"
    & skf21("7","3","5","3","1","3","7","1") = "6"
    & skf21("7","3","5","3","1","4","1","1") = "6"
    & skf21("7","3","5","3","1","4","2","1") = "6"
    & skf21("7","3","5","3","1","4","3","1") = "6"
    & skf21("7","3","5","3","1","4","4","1") = "6"
    & skf21("7","3","5","3","1","4","5","1") = "6"
    & skf21("7","3","5","3","1","4","6","1") = "6"
    & skf21("7","3","5","3","1","4","7","1") = "6"
    & skf21("7","3","5","3","1","5","1","1") = "6"
    & skf21("7","3","5","3","1","5","2","1") = "6"
    & skf21("7","3","5","3","1","5","3","1") = "6"
    & skf21("7","3","5","3","1","5","4","1") = "6"
    & skf21("7","3","5","3","1","5","5","1") = "6"
    & skf21("7","3","5","3","1","5","6","1") = "6"
    & skf21("7","3","5","3","1","5","7","1") = "6"
    & skf21("7","3","5","3","1","6","1","1") = "6"
    & skf21("7","3","5","3","1","6","2","1") = "6"
    & skf21("7","3","5","3","1","6","3","1") = "6"
    & skf21("7","3","5","3","1","6","4","1") = "6"
    & skf21("7","3","5","3","1","6","5","1") = "6"
    & skf21("7","3","5","3","1","6","6","1") = "6"
    & skf21("7","3","5","3","1","6","7","1") = "6"
    & skf21("7","3","5","3","1","7","1","1") = "6"
    & skf21("7","3","5","3","1","7","2","1") = "6"
    & skf21("7","3","5","3","1","7","3","1") = "6"
    & skf21("7","3","5","3","1","7","4","1") = "6"
    & skf21("7","3","5","3","1","7","5","1") = "6"
    & skf21("7","3","5","3","1","7","6","1") = "6"
    & skf21("7","3","5","3","1","7","7","1") = "6"
    & skf21("7","3","5","3","2","1","1","1") = "6"
    & skf21("7","3","5","3","2","1","2","1") = "6"
    & skf21("7","3","5","3","2","1","3","1") = "6"
    & skf21("7","3","5","3","2","1","4","1") = "6"
    & skf21("7","3","5","3","2","1","5","1") = "6"
    & skf21("7","3","5","3","2","1","6","1") = "6"
    & skf21("7","3","5","3","2","1","7","1") = "6"
    & skf21("7","3","5","3","2","2","1","1") = "6"
    & skf21("7","3","5","3","2","2","2","1") = "6"
    & skf21("7","3","5","3","2","2","3","1") = "6"
    & skf21("7","3","5","3","2","2","4","1") = "6"
    & skf21("7","3","5","3","2","2","5","1") = "6"
    & skf21("7","3","5","3","2","2","6","1") = "6"
    & skf21("7","3","5","3","2","2","7","1") = "6"
    & skf21("7","3","5","3","2","3","1","1") = "6"
    & skf21("7","3","5","3","2","3","2","1") = "6"
    & skf21("7","3","5","3","2","3","3","1") = "6"
    & skf21("7","3","5","3","2","3","4","1") = "6"
    & skf21("7","3","5","3","2","3","5","1") = "6"
    & skf21("7","3","5","3","2","3","6","1") = "6"
    & skf21("7","3","5","3","2","3","7","1") = "6"
    & skf21("7","3","5","3","2","4","1","1") = "6"
    & skf21("7","3","5","3","2","4","2","1") = "6"
    & skf21("7","3","5","3","2","4","3","1") = "6"
    & skf21("7","3","5","3","2","4","4","1") = "6"
    & skf21("7","3","5","3","2","4","5","1") = "6"
    & skf21("7","3","5","3","2","4","6","1") = "6"
    & skf21("7","3","5","3","2","4","7","1") = "6"
    & skf21("7","3","5","3","2","5","1","1") = "6"
    & skf21("7","3","5","3","2","5","2","1") = "6"
    & skf21("7","3","5","3","2","5","3","1") = "6"
    & skf21("7","3","5","3","2","5","4","1") = "6"
    & skf21("7","3","5","3","2","5","5","1") = "6"
    & skf21("7","3","5","3","2","5","6","1") = "6"
    & skf21("7","3","5","3","2","5","7","1") = "6"
    & skf21("7","3","5","3","2","6","1","1") = "6"
    & skf21("7","3","5","3","2","6","2","1") = "6"
    & skf21("7","3","5","3","2","6","3","1") = "6"
    & skf21("7","3","5","3","2","6","4","1") = "6"
    & skf21("7","3","5","3","2","6","5","1") = "6"
    & skf21("7","3","5","3","2","6","6","1") = "6"
    & skf21("7","3","5","3","2","6","7","1") = "6"
    & skf21("7","3","5","3","2","7","1","1") = "6"
    & skf21("7","3","5","3","2","7","2","1") = "6"
    & skf21("7","3","5","3","2","7","3","1") = "6"
    & skf21("7","3","5","3","2","7","4","1") = "6"
    & skf21("7","3","5","3","2","7","5","1") = "6"
    & skf21("7","3","5","3","2","7","6","1") = "6"
    & skf21("7","3","5","3","2","7","7","1") = "6"
    & skf21("7","3","5","3","3","1","1","1") = "6"
    & skf21("7","3","5","3","3","1","2","1") = "6"
    & skf21("7","3","5","3","3","1","3","1") = "6"
    & skf21("7","3","5","3","3","1","4","1") = "6"
    & skf21("7","3","5","3","3","1","5","1") = "6"
    & skf21("7","3","5","3","3","1","6","1") = "6"
    & skf21("7","3","5","3","3","1","7","1") = "6"
    & skf21("7","3","5","3","3","2","1","1") = "6"
    & skf21("7","3","5","3","3","2","2","1") = "6"
    & skf21("7","3","5","3","3","2","3","1") = "6"
    & skf21("7","3","5","3","3","2","4","1") = "6"
    & skf21("7","3","5","3","3","2","5","1") = "6"
    & skf21("7","3","5","3","3","2","6","1") = "6"
    & skf21("7","3","5","3","3","2","7","1") = "6"
    & skf21("7","3","5","3","3","3","1","1") = "6"
    & skf21("7","3","5","3","3","3","2","1") = "6"
    & skf21("7","3","5","3","3","3","3","1") = "6"
    & skf21("7","3","5","3","3","3","4","1") = "6"
    & skf21("7","3","5","3","3","3","5","1") = "6"
    & skf21("7","3","5","3","3","3","6","1") = "6"
    & skf21("7","3","5","3","3","3","7","1") = "6"
    & skf21("7","3","5","3","3","4","1","1") = "6"
    & skf21("7","3","5","3","3","4","2","1") = "6"
    & skf21("7","3","5","3","3","4","3","1") = "6"
    & skf21("7","3","5","3","3","4","4","1") = "6"
    & skf21("7","3","5","3","3","4","5","1") = "6"
    & skf21("7","3","5","3","3","4","6","1") = "6"
    & skf21("7","3","5","3","3","4","7","1") = "6"
    & skf21("7","3","5","3","3","5","1","1") = "6"
    & skf21("7","3","5","3","3","5","2","1") = "6"
    & skf21("7","3","5","3","3","5","3","1") = "6"
    & skf21("7","3","5","3","3","5","4","1") = "6"
    & skf21("7","3","5","3","3","5","5","1") = "6"
    & skf21("7","3","5","3","3","5","6","1") = "6"
    & skf21("7","3","5","3","3","5","7","1") = "6"
    & skf21("7","3","5","3","3","6","1","1") = "6"
    & skf21("7","3","5","3","3","6","2","1") = "6"
    & skf21("7","3","5","3","3","6","3","1") = "6"
    & skf21("7","3","5","3","3","6","4","1") = "6"
    & skf21("7","3","5","3","3","6","5","1") = "6"
    & skf21("7","3","5","3","3","6","6","1") = "6"
    & skf21("7","3","5","3","3","6","7","1") = "6"
    & skf21("7","3","5","3","3","7","1","1") = "6"
    & skf21("7","3","5","3","3","7","2","1") = "6"
    & skf21("7","3","5","3","3","7","3","1") = "6"
    & skf21("7","3","5","3","3","7","4","1") = "6"
    & skf21("7","3","5","3","3","7","5","1") = "6"
    & skf21("7","3","5","3","3","7","6","1") = "6"
    & skf21("7","3","5","3","3","7","7","1") = "6"
    & skf21("7","3","5","3","4","1","1","1") = "6"
    & skf21("7","3","5","3","4","1","2","1") = "6"
    & skf21("7","3","5","3","4","1","3","1") = "6"
    & skf21("7","3","5","3","4","1","4","1") = "6"
    & skf21("7","3","5","3","4","1","5","1") = "6"
    & skf21("7","3","5","3","4","1","6","1") = "6"
    & skf21("7","3","5","3","4","1","7","1") = "6"
    & skf21("7","3","5","3","4","2","1","1") = "6"
    & skf21("7","3","5","3","4","2","2","1") = "6"
    & skf21("7","3","5","3","4","2","3","1") = "6"
    & skf21("7","3","5","3","4","2","4","1") = "6"
    & skf21("7","3","5","3","4","2","5","1") = "6"
    & skf21("7","3","5","3","4","2","6","1") = "6"
    & skf21("7","3","5","3","4","2","7","1") = "6"
    & skf21("7","3","5","3","4","3","1","1") = "6"
    & skf21("7","3","5","3","4","3","2","1") = "6"
    & skf21("7","3","5","3","4","3","3","1") = "6"
    & skf21("7","3","5","3","4","3","4","1") = "6"
    & skf21("7","3","5","3","4","3","5","1") = "6"
    & skf21("7","3","5","3","4","3","6","1") = "6"
    & skf21("7","3","5","3","4","3","7","1") = "6"
    & skf21("7","3","5","3","4","4","1","1") = "6"
    & skf21("7","3","5","3","4","4","2","1") = "6"
    & skf21("7","3","5","3","4","4","3","1") = "6"
    & skf21("7","3","5","3","4","4","4","1") = "6"
    & skf21("7","3","5","3","4","4","5","1") = "6"
    & skf21("7","3","5","3","4","4","6","1") = "6"
    & skf21("7","3","5","3","4","4","7","1") = "6"
    & skf21("7","3","5","3","4","5","1","1") = "6"
    & skf21("7","3","5","3","4","5","2","1") = "6"
    & skf21("7","3","5","3","4","5","3","1") = "6"
    & skf21("7","3","5","3","4","5","4","1") = "6"
    & skf21("7","3","5","3","4","5","5","1") = "6"
    & skf21("7","3","5","3","4","5","6","1") = "6"
    & skf21("7","3","5","3","4","5","7","1") = "6"
    & skf21("7","3","5","3","4","6","1","1") = "6"
    & skf21("7","3","5","3","4","6","2","1") = "6"
    & skf21("7","3","5","3","4","6","3","1") = "6"
    & skf21("7","3","5","3","4","6","4","1") = "6"
    & skf21("7","3","5","3","4","6","5","1") = "6"
    & skf21("7","3","5","3","4","6","6","1") = "6"
    & skf21("7","3","5","3","4","6","7","1") = "6"
    & skf21("7","3","5","3","4","7","1","1") = "6"
    & skf21("7","3","5","3","4","7","2","1") = "6"
    & skf21("7","3","5","3","4","7","3","1") = "6"
    & skf21("7","3","5","3","4","7","4","1") = "6"
    & skf21("7","3","5","3","4","7","5","1") = "6"
    & skf21("7","3","5","3","4","7","6","1") = "6"
    & skf21("7","3","5","3","4","7","7","1") = "6"
    & skf21("7","3","5","3","5","1","1","1") = "6"
    & skf21("7","3","5","3","5","1","2","1") = "6"
    & skf21("7","3","5","3","5","1","3","1") = "6"
    & skf21("7","3","5","3","5","1","4","1") = "6"
    & skf21("7","3","5","3","5","1","5","1") = "6"
    & skf21("7","3","5","3","5","1","6","1") = "6"
    & skf21("7","3","5","3","5","1","7","1") = "6"
    & skf21("7","3","5","3","5","2","1","1") = "6"
    & skf21("7","3","5","3","5","2","2","1") = "6"
    & skf21("7","3","5","3","5","2","3","1") = "6"
    & skf21("7","3","5","3","5","2","4","1") = "6"
    & skf21("7","3","5","3","5","2","5","1") = "6"
    & skf21("7","3","5","3","5","2","6","1") = "6"
    & skf21("7","3","5","3","5","2","7","1") = "6"
    & skf21("7","3","5","3","5","3","1","1") = "6"
    & skf21("7","3","5","3","5","3","2","1") = "6"
    & skf21("7","3","5","3","5","3","3","1") = "6"
    & skf21("7","3","5","3","5","3","4","1") = "6"
    & skf21("7","3","5","3","5","3","5","1") = "6"
    & skf21("7","3","5","3","5","3","6","1") = "6"
    & skf21("7","3","5","3","5","3","7","1") = "6"
    & skf21("7","3","5","3","5","4","1","1") = "6"
    & skf21("7","3","5","3","5","4","2","1") = "6"
    & skf21("7","3","5","3","5","4","3","1") = "6"
    & skf21("7","3","5","3","5","4","4","1") = "6"
    & skf21("7","3","5","3","5","4","5","1") = "6"
    & skf21("7","3","5","3","5","4","6","1") = "6"
    & skf21("7","3","5","3","5","4","7","1") = "6"
    & skf21("7","3","5","3","5","5","1","1") = "6"
    & skf21("7","3","5","3","5","5","2","1") = "6"
    & skf21("7","3","5","3","5","5","3","1") = "6"
    & skf21("7","3","5","3","5","5","4","1") = "6"
    & skf21("7","3","5","3","5","5","5","1") = "6"
    & skf21("7","3","5","3","5","5","6","1") = "6"
    & skf21("7","3","5","3","5","5","7","1") = "6"
    & skf21("7","3","5","3","5","6","1","1") = "6"
    & skf21("7","3","5","3","5","6","2","1") = "6"
    & skf21("7","3","5","3","5","6","3","1") = "6"
    & skf21("7","3","5","3","5","6","4","1") = "6"
    & skf21("7","3","5","3","5","6","5","1") = "6"
    & skf21("7","3","5","3","5","6","6","1") = "6"
    & skf21("7","3","5","3","5","6","7","1") = "6"
    & skf21("7","3","5","3","5","7","1","1") = "6"
    & skf21("7","3","5","3","5","7","2","1") = "6"
    & skf21("7","3","5","3","5","7","3","1") = "6"
    & skf21("7","3","5","3","5","7","4","1") = "6"
    & skf21("7","3","5","3","5","7","5","1") = "6"
    & skf21("7","3","5","3","5","7","6","1") = "6"
    & skf21("7","3","5","3","5","7","7","1") = "6"
    & skf21("7","3","5","3","6","1","1","1") = "6"
    & skf21("7","3","5","3","6","1","2","1") = "6"
    & skf21("7","3","5","3","6","1","3","1") = "6"
    & skf21("7","3","5","3","6","1","4","1") = "6"
    & skf21("7","3","5","3","6","1","5","1") = "6"
    & skf21("7","3","5","3","6","1","6","1") = "6"
    & skf21("7","3","5","3","6","1","7","1") = "6"
    & skf21("7","3","5","3","6","2","1","1") = "6"
    & skf21("7","3","5","3","6","2","2","1") = "6"
    & skf21("7","3","5","3","6","2","3","1") = "6"
    & skf21("7","3","5","3","6","2","4","1") = "6"
    & skf21("7","3","5","3","6","2","5","1") = "6"
    & skf21("7","3","5","3","6","2","6","1") = "6"
    & skf21("7","3","5","3","6","2","7","1") = "6"
    & skf21("7","3","5","3","6","3","1","1") = "6"
    & skf21("7","3","5","3","6","3","2","1") = "6"
    & skf21("7","3","5","3","6","3","3","1") = "6"
    & skf21("7","3","5","3","6","3","4","1") = "6"
    & skf21("7","3","5","3","6","3","5","1") = "6"
    & skf21("7","3","5","3","6","3","6","1") = "6"
    & skf21("7","3","5","3","6","3","7","1") = "6"
    & skf21("7","3","5","3","6","4","1","1") = "6"
    & skf21("7","3","5","3","6","4","2","1") = "6"
    & skf21("7","3","5","3","6","4","3","1") = "6"
    & skf21("7","3","5","3","6","4","4","1") = "6"
    & skf21("7","3","5","3","6","4","5","1") = "6"
    & skf21("7","3","5","3","6","4","6","1") = "6"
    & skf21("7","3","5","3","6","4","7","1") = "6"
    & skf21("7","3","5","3","6","5","1","1") = "6"
    & skf21("7","3","5","3","6","5","2","1") = "6"
    & skf21("7","3","5","3","6","5","3","1") = "6"
    & skf21("7","3","5","3","6","5","4","1") = "6"
    & skf21("7","3","5","3","6","5","5","1") = "6"
    & skf21("7","3","5","3","6","5","6","1") = "6"
    & skf21("7","3","5","3","6","5","7","1") = "6"
    & skf21("7","3","5","3","6","6","1","1") = "6"
    & skf21("7","3","5","3","6","6","2","1") = "6"
    & skf21("7","3","5","3","6","6","3","1") = "6"
    & skf21("7","3","5","3","6","6","4","1") = "6"
    & skf21("7","3","5","3","6","6","5","1") = "6"
    & skf21("7","3","5","3","6","6","6","1") = "6"
    & skf21("7","3","5","3","6","6","7","1") = "6"
    & skf21("7","3","5","3","6","7","1","1") = "6"
    & skf21("7","3","5","3","6","7","2","1") = "6"
    & skf21("7","3","5","3","6","7","3","1") = "6"
    & skf21("7","3","5","3","6","7","4","1") = "6"
    & skf21("7","3","5","3","6","7","5","1") = "6"
    & skf21("7","3","5","3","6","7","6","1") = "6"
    & skf21("7","3","5","3","6","7","7","1") = "6"
    & skf21("7","3","5","3","7","1","1","1") = "6"
    & skf21("7","3","5","3","7","1","2","1") = "6"
    & skf21("7","3","5","3","7","1","3","1") = "6"
    & skf21("7","3","5","3","7","1","4","1") = "6"
    & skf21("7","3","5","3","7","1","5","1") = "6"
    & skf21("7","3","5","3","7","1","6","1") = "6"
    & skf21("7","3","5","3","7","1","7","1") = "6"
    & skf21("7","3","5","3","7","2","1","1") = "6"
    & skf21("7","3","5","3","7","2","2","1") = "6"
    & skf21("7","3","5","3","7","2","3","1") = "6"
    & skf21("7","3","5","3","7","2","4","1") = "6"
    & skf21("7","3","5","3","7","2","5","1") = "6"
    & skf21("7","3","5","3","7","2","6","1") = "6"
    & skf21("7","3","5","3","7","2","7","1") = "6"
    & skf21("7","3","5","3","7","3","1","1") = "6"
    & skf21("7","3","5","3","7","3","2","1") = "6"
    & skf21("7","3","5","3","7","3","3","1") = "6"
    & skf21("7","3","5","3","7","3","4","1") = "6"
    & skf21("7","3","5","3","7","3","5","1") = "6"
    & skf21("7","3","5","3","7","3","6","1") = "6"
    & skf21("7","3","5","3","7","3","7","1") = "6"
    & skf21("7","3","5","3","7","4","1","1") = "6"
    & skf21("7","3","5","3","7","4","2","1") = "6"
    & skf21("7","3","5","3","7","4","3","1") = "6"
    & skf21("7","3","5","3","7","4","4","1") = "6"
    & skf21("7","3","5","3","7","4","5","1") = "6"
    & skf21("7","3","5","3","7","4","6","1") = "6"
    & skf21("7","3","5","3","7","4","7","1") = "6"
    & skf21("7","3","5","3","7","5","1","1") = "6"
    & skf21("7","3","5","3","7","5","2","1") = "6"
    & skf21("7","3","5","3","7","5","3","1") = "6"
    & skf21("7","3","5","3","7","5","4","1") = "6"
    & skf21("7","3","5","3","7","5","5","1") = "6"
    & skf21("7","3","5","3","7","5","6","1") = "6"
    & skf21("7","3","5","3","7","5","7","1") = "6"
    & skf21("7","3","5","3","7","6","1","1") = "6"
    & skf21("7","3","5","3","7","6","2","1") = "6"
    & skf21("7","3","5","3","7","6","3","1") = "6"
    & skf21("7","3","5","3","7","6","4","1") = "6"
    & skf21("7","3","5","3","7","6","5","1") = "6"
    & skf21("7","3","5","3","7","6","6","1") = "6"
    & skf21("7","3","5","3","7","6","7","1") = "6"
    & skf21("7","3","5","3","7","7","1","1") = "6"
    & skf21("7","3","5","3","7","7","2","1") = "6"
    & skf21("7","3","5","3","7","7","3","1") = "6"
    & skf21("7","3","5","3","7","7","4","1") = "6"
    & skf21("7","3","5","3","7","7","5","1") = "6"
    & skf21("7","3","5","3","7","7","6","1") = "6"
    & skf21("7","3","5","3","7","7","7","1") = "6"
    & skf21("7","3","5","4","1","1","1","1") = "6"
    & skf21("7","3","5","4","1","1","2","1") = "6"
    & skf21("7","3","5","4","1","1","3","1") = "6"
    & skf21("7","3","5","4","1","1","4","1") = "6"
    & skf21("7","3","5","4","1","1","5","1") = "6"
    & skf21("7","3","5","4","1","1","6","1") = "6"
    & skf21("7","3","5","4","1","1","7","1") = "6"
    & skf21("7","3","5","4","1","2","1","1") = "6"
    & skf21("7","3","5","4","1","2","2","1") = "6"
    & skf21("7","3","5","4","1","2","3","1") = "6"
    & skf21("7","3","5","4","1","2","4","1") = "6"
    & skf21("7","3","5","4","1","2","5","1") = "6"
    & skf21("7","3","5","4","1","2","6","1") = "6"
    & skf21("7","3","5","4","1","2","7","1") = "6"
    & skf21("7","3","5","4","1","3","1","1") = "6"
    & skf21("7","3","5","4","1","3","2","1") = "6"
    & skf21("7","3","5","4","1","3","3","1") = "6"
    & skf21("7","3","5","4","1","3","4","1") = "6"
    & skf21("7","3","5","4","1","3","5","1") = "6"
    & skf21("7","3","5","4","1","3","6","1") = "6"
    & skf21("7","3","5","4","1","3","7","1") = "6"
    & skf21("7","3","5","4","1","4","1","1") = "6"
    & skf21("7","3","5","4","1","4","2","1") = "6"
    & skf21("7","3","5","4","1","4","3","1") = "6"
    & skf21("7","3","5","4","1","4","4","1") = "6"
    & skf21("7","3","5","4","1","4","5","1") = "6"
    & skf21("7","3","5","4","1","4","6","1") = "6"
    & skf21("7","3","5","4","1","4","7","1") = "6"
    & skf21("7","3","5","4","1","5","1","1") = "6"
    & skf21("7","3","5","4","1","5","2","1") = "6"
    & skf21("7","3","5","4","1","5","3","1") = "6"
    & skf21("7","3","5","4","1","5","4","1") = "6"
    & skf21("7","3","5","4","1","5","5","1") = "6"
    & skf21("7","3","5","4","1","5","6","1") = "6"
    & skf21("7","3","5","4","1","5","7","1") = "6"
    & skf21("7","3","5","4","1","6","1","1") = "6"
    & skf21("7","3","5","4","1","6","2","1") = "6"
    & skf21("7","3","5","4","1","6","3","1") = "6"
    & skf21("7","3","5","4","1","6","4","1") = "6"
    & skf21("7","3","5","4","1","6","5","1") = "6"
    & skf21("7","3","5","4","1","6","6","1") = "6"
    & skf21("7","3","5","4","1","6","7","1") = "6"
    & skf21("7","3","5","4","1","7","1","1") = "6"
    & skf21("7","3","5","4","1","7","2","1") = "6"
    & skf21("7","3","5","4","1","7","3","1") = "6"
    & skf21("7","3","5","4","1","7","4","1") = "6"
    & skf21("7","3","5","4","1","7","5","1") = "6"
    & skf21("7","3","5","4","1","7","6","1") = "6"
    & skf21("7","3","5","4","1","7","7","1") = "6"
    & skf21("7","3","5","4","2","1","1","1") = "6"
    & skf21("7","3","5","4","2","1","2","1") = "6"
    & skf21("7","3","5","4","2","1","3","1") = "6"
    & skf21("7","3","5","4","2","1","4","1") = "6"
    & skf21("7","3","5","4","2","1","5","1") = "6"
    & skf21("7","3","5","4","2","1","6","1") = "6"
    & skf21("7","3","5","4","2","1","7","1") = "6"
    & skf21("7","3","5","4","2","2","1","1") = "6"
    & skf21("7","3","5","4","2","2","2","1") = "6"
    & skf21("7","3","5","4","2","2","3","1") = "6"
    & skf21("7","3","5","4","2","2","4","1") = "6"
    & skf21("7","3","5","4","2","2","5","1") = "6"
    & skf21("7","3","5","4","2","2","6","1") = "6"
    & skf21("7","3","5","4","2","2","7","1") = "6"
    & skf21("7","3","5","4","2","3","1","1") = "6"
    & skf21("7","3","5","4","2","3","2","1") = "6"
    & skf21("7","3","5","4","2","3","3","1") = "6"
    & skf21("7","3","5","4","2","3","4","1") = "6"
    & skf21("7","3","5","4","2","3","5","1") = "6"
    & skf21("7","3","5","4","2","3","6","1") = "6"
    & skf21("7","3","5","4","2","3","7","1") = "6"
    & skf21("7","3","5","4","2","4","1","1") = "6"
    & skf21("7","3","5","4","2","4","2","1") = "6"
    & skf21("7","3","5","4","2","4","3","1") = "6"
    & skf21("7","3","5","4","2","4","4","1") = "6"
    & skf21("7","3","5","4","2","4","5","1") = "6"
    & skf21("7","3","5","4","2","4","6","1") = "6"
    & skf21("7","3","5","4","2","4","7","1") = "6"
    & skf21("7","3","5","4","2","5","1","1") = "6"
    & skf21("7","3","5","4","2","5","2","1") = "6"
    & skf21("7","3","5","4","2","5","3","1") = "6"
    & skf21("7","3","5","4","2","5","4","1") = "6"
    & skf21("7","3","5","4","2","5","5","1") = "6"
    & skf21("7","3","5","4","2","5","6","1") = "6"
    & skf21("7","3","5","4","2","5","7","1") = "6"
    & skf21("7","3","5","4","2","6","1","1") = "6"
    & skf21("7","3","5","4","2","6","2","1") = "6"
    & skf21("7","3","5","4","2","6","3","1") = "6"
    & skf21("7","3","5","4","2","6","4","1") = "6"
    & skf21("7","3","5","4","2","6","5","1") = "6"
    & skf21("7","3","5","4","2","6","6","1") = "6"
    & skf21("7","3","5","4","2","6","7","1") = "6"
    & skf21("7","3","5","4","2","7","1","1") = "6"
    & skf21("7","3","5","4","2","7","2","1") = "6"
    & skf21("7","3","5","4","2","7","3","1") = "6"
    & skf21("7","3","5","4","2","7","4","1") = "6"
    & skf21("7","3","5","4","2","7","5","1") = "6"
    & skf21("7","3","5","4","2","7","6","1") = "6"
    & skf21("7","3","5","4","2","7","7","1") = "6"
    & skf21("7","3","5","4","3","1","1","1") = "6"
    & skf21("7","3","5","4","3","1","2","1") = "6"
    & skf21("7","3","5","4","3","1","3","1") = "6"
    & skf21("7","3","5","4","3","1","4","1") = "6"
    & skf21("7","3","5","4","3","1","5","1") = "6"
    & skf21("7","3","5","4","3","1","6","1") = "6"
    & skf21("7","3","5","4","3","1","7","1") = "6"
    & skf21("7","3","5","4","3","2","1","1") = "6"
    & skf21("7","3","5","4","3","2","2","1") = "6"
    & skf21("7","3","5","4","3","2","3","1") = "6"
    & skf21("7","3","5","4","3","2","4","1") = "6"
    & skf21("7","3","5","4","3","2","5","1") = "6"
    & skf21("7","3","5","4","3","2","6","1") = "6"
    & skf21("7","3","5","4","3","2","7","1") = "6"
    & skf21("7","3","5","4","3","3","1","1") = "6"
    & skf21("7","3","5","4","3","3","2","1") = "6"
    & skf21("7","3","5","4","3","3","3","1") = "6"
    & skf21("7","3","5","4","3","3","4","1") = "6"
    & skf21("7","3","5","4","3","3","5","1") = "6"
    & skf21("7","3","5","4","3","3","6","1") = "6"
    & skf21("7","3","5","4","3","3","7","1") = "6"
    & skf21("7","3","5","4","3","4","1","1") = "6"
    & skf21("7","3","5","4","3","4","2","1") = "6"
    & skf21("7","3","5","4","3","4","3","1") = "6"
    & skf21("7","3","5","4","3","4","4","1") = "6"
    & skf21("7","3","5","4","3","4","5","1") = "6"
    & skf21("7","3","5","4","3","4","6","1") = "6"
    & skf21("7","3","5","4","3","4","7","1") = "6"
    & skf21("7","3","5","4","3","5","1","1") = "6"
    & skf21("7","3","5","4","3","5","2","1") = "6"
    & skf21("7","3","5","4","3","5","3","1") = "6"
    & skf21("7","3","5","4","3","5","4","1") = "6"
    & skf21("7","3","5","4","3","5","5","1") = "6"
    & skf21("7","3","5","4","3","5","6","1") = "6"
    & skf21("7","3","5","4","3","5","7","1") = "6"
    & skf21("7","3","5","4","3","6","1","1") = "6"
    & skf21("7","3","5","4","3","6","2","1") = "6"
    & skf21("7","3","5","4","3","6","3","1") = "6"
    & skf21("7","3","5","4","3","6","4","1") = "6"
    & skf21("7","3","5","4","3","6","5","1") = "6"
    & skf21("7","3","5","4","3","6","6","1") = "6"
    & skf21("7","3","5","4","3","6","7","1") = "6"
    & skf21("7","3","5","4","3","7","1","1") = "6"
    & skf21("7","3","5","4","3","7","2","1") = "6"
    & skf21("7","3","5","4","3","7","3","1") = "6"
    & skf21("7","3","5","4","3","7","4","1") = "6"
    & skf21("7","3","5","4","3","7","5","1") = "6"
    & skf21("7","3","5","4","3","7","6","1") = "6"
    & skf21("7","3","5","4","3","7","7","1") = "6"
    & skf21("7","3","5","4","4","1","1","1") = "6"
    & skf21("7","3","5","4","4","1","2","1") = "6"
    & skf21("7","3","5","4","4","1","3","1") = "6"
    & skf21("7","3","5","4","4","1","4","1") = "6"
    & skf21("7","3","5","4","4","1","5","1") = "6"
    & skf21("7","3","5","4","4","1","6","1") = "6"
    & skf21("7","3","5","4","4","1","7","1") = "6"
    & skf21("7","3","5","4","4","2","1","1") = "6"
    & skf21("7","3","5","4","4","2","2","1") = "6"
    & skf21("7","3","5","4","4","2","3","1") = "6"
    & skf21("7","3","5","4","4","2","4","1") = "6"
    & skf21("7","3","5","4","4","2","5","1") = "6"
    & skf21("7","3","5","4","4","2","6","1") = "6"
    & skf21("7","3","5","4","4","2","7","1") = "6"
    & skf21("7","3","5","4","4","3","1","1") = "6"
    & skf21("7","3","5","4","4","3","2","1") = "6"
    & skf21("7","3","5","4","4","3","3","1") = "6"
    & skf21("7","3","5","4","4","3","4","1") = "6"
    & skf21("7","3","5","4","4","3","5","1") = "6"
    & skf21("7","3","5","4","4","3","6","1") = "6"
    & skf21("7","3","5","4","4","3","7","1") = "6"
    & skf21("7","3","5","4","4","4","1","1") = "6"
    & skf21("7","3","5","4","4","4","2","1") = "6"
    & skf21("7","3","5","4","4","4","3","1") = "6"
    & skf21("7","3","5","4","4","4","4","1") = "6"
    & skf21("7","3","5","4","4","4","5","1") = "6"
    & skf21("7","3","5","4","4","4","6","1") = "6"
    & skf21("7","3","5","4","4","4","7","1") = "6"
    & skf21("7","3","5","4","4","5","1","1") = "6"
    & skf21("7","3","5","4","4","5","2","1") = "6"
    & skf21("7","3","5","4","4","5","3","1") = "6"
    & skf21("7","3","5","4","4","5","4","1") = "6"
    & skf21("7","3","5","4","4","5","5","1") = "6"
    & skf21("7","3","5","4","4","5","6","1") = "6"
    & skf21("7","3","5","4","4","5","7","1") = "6"
    & skf21("7","3","5","4","4","6","1","1") = "6"
    & skf21("7","3","5","4","4","6","2","1") = "6"
    & skf21("7","3","5","4","4","6","3","1") = "6"
    & skf21("7","3","5","4","4","6","4","1") = "6"
    & skf21("7","3","5","4","4","6","5","1") = "6"
    & skf21("7","3","5","4","4","6","6","1") = "6"
    & skf21("7","3","5","4","4","6","7","1") = "6"
    & skf21("7","3","5","4","4","7","1","1") = "6"
    & skf21("7","3","5","4","4","7","2","1") = "6"
    & skf21("7","3","5","4","4","7","3","1") = "6"
    & skf21("7","3","5","4","4","7","4","1") = "6"
    & skf21("7","3","5","4","4","7","5","1") = "6"
    & skf21("7","3","5","4","4","7","6","1") = "6"
    & skf21("7","3","5","4","4","7","7","1") = "6"
    & skf21("7","3","5","4","5","1","1","1") = "6"
    & skf21("7","3","5","4","5","1","2","1") = "6"
    & skf21("7","3","5","4","5","1","3","1") = "6"
    & skf21("7","3","5","4","5","1","4","1") = "6"
    & skf21("7","3","5","4","5","1","5","1") = "6"
    & skf21("7","3","5","4","5","1","6","1") = "6"
    & skf21("7","3","5","4","5","1","7","1") = "6"
    & skf21("7","3","5","4","5","2","1","1") = "6"
    & skf21("7","3","5","4","5","2","2","1") = "6"
    & skf21("7","3","5","4","5","2","3","1") = "6"
    & skf21("7","3","5","4","5","2","4","1") = "6"
    & skf21("7","3","5","4","5","2","5","1") = "6"
    & skf21("7","3","5","4","5","2","6","1") = "6"
    & skf21("7","3","5","4","5","2","7","1") = "6"
    & skf21("7","3","5","4","5","3","1","1") = "6"
    & skf21("7","3","5","4","5","3","2","1") = "6"
    & skf21("7","3","5","4","5","3","3","1") = "6"
    & skf21("7","3","5","4","5","3","4","1") = "6"
    & skf21("7","3","5","4","5","3","5","1") = "6"
    & skf21("7","3","5","4","5","3","6","1") = "6"
    & skf21("7","3","5","4","5","3","7","1") = "6"
    & skf21("7","3","5","4","5","4","1","1") = "6"
    & skf21("7","3","5","4","5","4","2","1") = "6"
    & skf21("7","3","5","4","5","4","3","1") = "6"
    & skf21("7","3","5","4","5","4","4","1") = "6"
    & skf21("7","3","5","4","5","4","5","1") = "6"
    & skf21("7","3","5","4","5","4","6","1") = "6"
    & skf21("7","3","5","4","5","4","7","1") = "6"
    & skf21("7","3","5","4","5","5","1","1") = "6"
    & skf21("7","3","5","4","5","5","2","1") = "6"
    & skf21("7","3","5","4","5","5","3","1") = "6"
    & skf21("7","3","5","4","5","5","4","1") = "6"
    & skf21("7","3","5","4","5","5","5","1") = "6"
    & skf21("7","3","5","4","5","5","6","1") = "6"
    & skf21("7","3","5","4","5","5","7","1") = "6"
    & skf21("7","3","5","4","5","6","1","1") = "6"
    & skf21("7","3","5","4","5","6","2","1") = "6"
    & skf21("7","3","5","4","5","6","3","1") = "6"
    & skf21("7","3","5","4","5","6","4","1") = "6"
    & skf21("7","3","5","4","5","6","5","1") = "6"
    & skf21("7","3","5","4","5","6","6","1") = "6"
    & skf21("7","3","5","4","5","6","7","1") = "6"
    & skf21("7","3","5","4","5","7","1","1") = "6"
    & skf21("7","3","5","4","5","7","2","1") = "6"
    & skf21("7","3","5","4","5","7","3","1") = "6"
    & skf21("7","3","5","4","5","7","4","1") = "6"
    & skf21("7","3","5","4","5","7","5","1") = "6"
    & skf21("7","3","5","4","5","7","6","1") = "6"
    & skf21("7","3","5","4","5","7","7","1") = "6"
    & skf21("7","3","5","4","6","1","1","1") = "6"
    & skf21("7","3","5","4","6","1","2","1") = "6"
    & skf21("7","3","5","4","6","1","3","1") = "6"
    & skf21("7","3","5","4","6","1","4","1") = "6"
    & skf21("7","3","5","4","6","1","5","1") = "6"
    & skf21("7","3","5","4","6","1","6","1") = "6"
    & skf21("7","3","5","4","6","1","7","1") = "6"
    & skf21("7","3","5","4","6","2","1","1") = "6"
    & skf21("7","3","5","4","6","2","2","1") = "6"
    & skf21("7","3","5","4","6","2","3","1") = "6"
    & skf21("7","3","5","4","6","2","4","1") = "6"
    & skf21("7","3","5","4","6","2","5","1") = "6"
    & skf21("7","3","5","4","6","2","6","1") = "6"
    & skf21("7","3","5","4","6","2","7","1") = "6"
    & skf21("7","3","5","4","6","3","1","1") = "6"
    & skf21("7","3","5","4","6","3","2","1") = "6"
    & skf21("7","3","5","4","6","3","3","1") = "6"
    & skf21("7","3","5","4","6","3","4","1") = "6"
    & skf21("7","3","5","4","6","3","5","1") = "6"
    & skf21("7","3","5","4","6","3","6","1") = "6"
    & skf21("7","3","5","4","6","3","7","1") = "6"
    & skf21("7","3","5","4","6","4","1","1") = "6"
    & skf21("7","3","5","4","6","4","2","1") = "6"
    & skf21("7","3","5","4","6","4","3","1") = "6"
    & skf21("7","3","5","4","6","4","4","1") = "6"
    & skf21("7","3","5","4","6","4","5","1") = "6"
    & skf21("7","3","5","4","6","4","6","1") = "6"
    & skf21("7","3","5","4","6","4","7","1") = "6"
    & skf21("7","3","5","4","6","5","1","1") = "6"
    & skf21("7","3","5","4","6","5","2","1") = "6"
    & skf21("7","3","5","4","6","5","3","1") = "6"
    & skf21("7","3","5","4","6","5","4","1") = "6"
    & skf21("7","3","5","4","6","5","5","1") = "6"
    & skf21("7","3","5","4","6","5","6","1") = "6"
    & skf21("7","3","5","4","6","5","7","1") = "6"
    & skf21("7","3","5","4","6","6","1","1") = "6"
    & skf21("7","3","5","4","6","6","2","1") = "6"
    & skf21("7","3","5","4","6","6","3","1") = "6"
    & skf21("7","3","5","4","6","6","4","1") = "6"
    & skf21("7","3","5","4","6","6","5","1") = "6"
    & skf21("7","3","5","4","6","6","6","1") = "6"
    & skf21("7","3","5","4","6","6","7","1") = "6"
    & skf21("7","3","5","4","6","7","1","1") = "6"
    & skf21("7","3","5","4","6","7","2","1") = "6"
    & skf21("7","3","5","4","6","7","3","1") = "6"
    & skf21("7","3","5","4","6","7","4","1") = "6"
    & skf21("7","3","5","4","6","7","5","1") = "6"
    & skf21("7","3","5","4","6","7","6","1") = "6"
    & skf21("7","3","5","4","6","7","7","1") = "6"
    & skf21("7","3","5","4","7","1","1","1") = "6"
    & skf21("7","3","5","4","7","1","2","1") = "6"
    & skf21("7","3","5","4","7","1","3","1") = "6"
    & skf21("7","3","5","4","7","1","4","1") = "6"
    & skf21("7","3","5","4","7","1","5","1") = "6"
    & skf21("7","3","5","4","7","1","6","1") = "6"
    & skf21("7","3","5","4","7","1","7","1") = "6"
    & skf21("7","3","5","4","7","2","1","1") = "6"
    & skf21("7","3","5","4","7","2","2","1") = "6"
    & skf21("7","3","5","4","7","2","3","1") = "6"
    & skf21("7","3","5","4","7","2","4","1") = "6"
    & skf21("7","3","5","4","7","2","5","1") = "6"
    & skf21("7","3","5","4","7","2","6","1") = "6"
    & skf21("7","3","5","4","7","2","7","1") = "6"
    & skf21("7","3","5","4","7","3","1","1") = "6"
    & skf21("7","3","5","4","7","3","2","1") = "6"
    & skf21("7","3","5","4","7","3","3","1") = "6"
    & skf21("7","3","5","4","7","3","4","1") = "6"
    & skf21("7","3","5","4","7","3","5","1") = "6"
    & skf21("7","3","5","4","7","3","6","1") = "6"
    & skf21("7","3","5","4","7","3","7","1") = "6"
    & skf21("7","3","5","4","7","4","1","1") = "6"
    & skf21("7","3","5","4","7","4","2","1") = "6"
    & skf21("7","3","5","4","7","4","3","1") = "6"
    & skf21("7","3","5","4","7","4","4","1") = "6"
    & skf21("7","3","5","4","7","4","5","1") = "6"
    & skf21("7","3","5","4","7","4","6","1") = "6"
    & skf21("7","3","5","4","7","4","7","1") = "6"
    & skf21("7","3","5","4","7","5","1","1") = "6"
    & skf21("7","3","5","4","7","5","2","1") = "6"
    & skf21("7","3","5","4","7","5","3","1") = "6"
    & skf21("7","3","5","4","7","5","4","1") = "6"
    & skf21("7","3","5","4","7","5","5","1") = "6"
    & skf21("7","3","5","4","7","5","6","1") = "6"
    & skf21("7","3","5","4","7","5","7","1") = "6"
    & skf21("7","3","5","4","7","6","1","1") = "6"
    & skf21("7","3","5","4","7","6","2","1") = "6"
    & skf21("7","3","5","4","7","6","3","1") = "6"
    & skf21("7","3","5","4","7","6","4","1") = "6"
    & skf21("7","3","5","4","7","6","5","1") = "6"
    & skf21("7","3","5","4","7","6","6","1") = "6"
    & skf21("7","3","5","4","7","6","7","1") = "6"
    & skf21("7","3","5","4","7","7","1","1") = "6"
    & skf21("7","3","5","4","7","7","2","1") = "6"
    & skf21("7","3","5","4","7","7","3","1") = "6"
    & skf21("7","3","5","4","7","7","4","1") = "6"
    & skf21("7","3","5","4","7","7","5","1") = "6"
    & skf21("7","3","5","4","7","7","6","1") = "6"
    & skf21("7","3","5","4","7","7","7","1") = "6"
    & skf21("7","3","5","5","1","1","1","1") = "6"
    & skf21("7","3","5","5","1","1","2","1") = "6"
    & skf21("7","3","5","5","1","1","3","1") = "6"
    & skf21("7","3","5","5","1","1","4","1") = "6"
    & skf21("7","3","5","5","1","1","5","1") = "6"
    & skf21("7","3","5","5","1","1","6","1") = "6"
    & skf21("7","3","5","5","1","1","7","1") = "6"
    & skf21("7","3","5","5","1","2","1","1") = "6"
    & skf21("7","3","5","5","1","2","2","1") = "6"
    & skf21("7","3","5","5","1","2","3","1") = "6"
    & skf21("7","3","5","5","1","2","4","1") = "6"
    & skf21("7","3","5","5","1","2","5","1") = "6"
    & skf21("7","3","5","5","1","2","6","1") = "6"
    & skf21("7","3","5","5","1","2","7","1") = "6"
    & skf21("7","3","5","5","1","3","1","1") = "6"
    & skf21("7","3","5","5","1","3","2","1") = "6"
    & skf21("7","3","5","5","1","3","3","1") = "6"
    & skf21("7","3","5","5","1","3","4","1") = "6"
    & skf21("7","3","5","5","1","3","5","1") = "6"
    & skf21("7","3","5","5","1","3","6","1") = "6"
    & skf21("7","3","5","5","1","3","7","1") = "6"
    & skf21("7","3","5","5","1","4","1","1") = "6"
    & skf21("7","3","5","5","1","4","2","1") = "6"
    & skf21("7","3","5","5","1","4","3","1") = "6"
    & skf21("7","3","5","5","1","4","4","1") = "6"
    & skf21("7","3","5","5","1","4","5","1") = "6"
    & skf21("7","3","5","5","1","4","6","1") = "6"
    & skf21("7","3","5","5","1","4","7","1") = "6"
    & skf21("7","3","5","5","1","5","1","1") = "6"
    & skf21("7","3","5","5","1","5","2","1") = "6"
    & skf21("7","3","5","5","1","5","3","1") = "6"
    & skf21("7","3","5","5","1","5","4","1") = "6"
    & skf21("7","3","5","5","1","5","5","1") = "6"
    & skf21("7","3","5","5","1","5","6","1") = "6"
    & skf21("7","3","5","5","1","5","7","1") = "6"
    & skf21("7","3","5","5","1","6","1","1") = "6"
    & skf21("7","3","5","5","1","6","2","1") = "6"
    & skf21("7","3","5","5","1","6","3","1") = "6"
    & skf21("7","3","5","5","1","6","4","1") = "6"
    & skf21("7","3","5","5","1","6","5","1") = "6"
    & skf21("7","3","5","5","1","6","6","1") = "6"
    & skf21("7","3","5","5","1","6","7","1") = "6"
    & skf21("7","3","5","5","1","7","1","1") = "6"
    & skf21("7","3","5","5","1","7","2","1") = "6"
    & skf21("7","3","5","5","1","7","3","1") = "6"
    & skf21("7","3","5","5","1","7","4","1") = "6"
    & skf21("7","3","5","5","1","7","5","1") = "6"
    & skf21("7","3","5","5","1","7","6","1") = "6"
    & skf21("7","3","5","5","1","7","7","1") = "6"
    & skf21("7","3","5","5","2","1","1","1") = "6"
    & skf21("7","3","5","5","2","1","2","1") = "6"
    & skf21("7","3","5","5","2","1","3","1") = "6"
    & skf21("7","3","5","5","2","1","4","1") = "6"
    & skf21("7","3","5","5","2","1","5","1") = "6"
    & skf21("7","3","5","5","2","1","6","1") = "6"
    & skf21("7","3","5","5","2","1","7","1") = "6"
    & skf21("7","3","5","5","2","2","1","1") = "6"
    & skf21("7","3","5","5","2","2","2","1") = "6"
    & skf21("7","3","5","5","2","2","3","1") = "6"
    & skf21("7","3","5","5","2","2","4","1") = "6"
    & skf21("7","3","5","5","2","2","5","1") = "6"
    & skf21("7","3","5","5","2","2","6","1") = "6"
    & skf21("7","3","5","5","2","2","7","1") = "6"
    & skf21("7","3","5","5","2","3","1","1") = "6"
    & skf21("7","3","5","5","2","3","2","1") = "6"
    & skf21("7","3","5","5","2","3","3","1") = "6"
    & skf21("7","3","5","5","2","3","4","1") = "6"
    & skf21("7","3","5","5","2","3","5","1") = "6"
    & skf21("7","3","5","5","2","3","6","1") = "6"
    & skf21("7","3","5","5","2","3","7","1") = "6"
    & skf21("7","3","5","5","2","4","1","1") = "6"
    & skf21("7","3","5","5","2","4","2","1") = "6"
    & skf21("7","3","5","5","2","4","3","1") = "6"
    & skf21("7","3","5","5","2","4","4","1") = "6"
    & skf21("7","3","5","5","2","4","5","1") = "6"
    & skf21("7","3","5","5","2","4","6","1") = "6"
    & skf21("7","3","5","5","2","4","7","1") = "6"
    & skf21("7","3","5","5","2","5","1","1") = "6"
    & skf21("7","3","5","5","2","5","2","1") = "6"
    & skf21("7","3","5","5","2","5","3","1") = "6"
    & skf21("7","3","5","5","2","5","4","1") = "6"
    & skf21("7","3","5","5","2","5","5","1") = "6"
    & skf21("7","3","5","5","2","5","6","1") = "6"
    & skf21("7","3","5","5","2","5","7","1") = "6"
    & skf21("7","3","5","5","2","6","1","1") = "6"
    & skf21("7","3","5","5","2","6","2","1") = "6"
    & skf21("7","3","5","5","2","6","3","1") = "6"
    & skf21("7","3","5","5","2","6","4","1") = "6"
    & skf21("7","3","5","5","2","6","5","1") = "6"
    & skf21("7","3","5","5","2","6","6","1") = "6"
    & skf21("7","3","5","5","2","6","7","1") = "6"
    & skf21("7","3","5","5","2","7","1","1") = "6"
    & skf21("7","3","5","5","2","7","2","1") = "6"
    & skf21("7","3","5","5","2","7","3","1") = "6"
    & skf21("7","3","5","5","2","7","4","1") = "6"
    & skf21("7","3","5","5","2","7","5","1") = "6"
    & skf21("7","3","5","5","2","7","6","1") = "6"
    & skf21("7","3","5","5","2","7","7","1") = "6"
    & skf21("7","3","5","5","3","1","1","1") = "6"
    & skf21("7","3","5","5","3","1","2","1") = "6"
    & skf21("7","3","5","5","3","1","3","1") = "6"
    & skf21("7","3","5","5","3","1","4","1") = "6"
    & skf21("7","3","5","5","3","1","5","1") = "6"
    & skf21("7","3","5","5","3","1","6","1") = "6"
    & skf21("7","3","5","5","3","1","7","1") = "6"
    & skf21("7","3","5","5","3","2","1","1") = "6"
    & skf21("7","3","5","5","3","2","2","1") = "6"
    & skf21("7","3","5","5","3","2","3","1") = "6"
    & skf21("7","3","5","5","3","2","4","1") = "6"
    & skf21("7","3","5","5","3","2","5","1") = "6"
    & skf21("7","3","5","5","3","2","6","1") = "6"
    & skf21("7","3","5","5","3","2","7","1") = "6"
    & skf21("7","3","5","5","3","3","1","1") = "6"
    & skf21("7","3","5","5","3","3","2","1") = "6"
    & skf21("7","3","5","5","3","3","3","1") = "6"
    & skf21("7","3","5","5","3","3","4","1") = "6"
    & skf21("7","3","5","5","3","3","5","1") = "6"
    & skf21("7","3","5","5","3","3","6","1") = "6"
    & skf21("7","3","5","5","3","3","7","1") = "6"
    & skf21("7","3","5","5","3","4","1","1") = "6"
    & skf21("7","3","5","5","3","4","2","1") = "6"
    & skf21("7","3","5","5","3","4","3","1") = "6"
    & skf21("7","3","5","5","3","4","4","1") = "6"
    & skf21("7","3","5","5","3","4","5","1") = "6"
    & skf21("7","3","5","5","3","4","6","1") = "6"
    & skf21("7","3","5","5","3","4","7","1") = "6"
    & skf21("7","3","5","5","3","5","1","1") = "6"
    & skf21("7","3","5","5","3","5","2","1") = "6"
    & skf21("7","3","5","5","3","5","3","1") = "6"
    & skf21("7","3","5","5","3","5","4","1") = "6"
    & skf21("7","3","5","5","3","5","5","1") = "6"
    & skf21("7","3","5","5","3","5","6","1") = "6"
    & skf21("7","3","5","5","3","5","7","1") = "6"
    & skf21("7","3","5","5","3","6","1","1") = "6"
    & skf21("7","3","5","5","3","6","2","1") = "6"
    & skf21("7","3","5","5","3","6","3","1") = "6"
    & skf21("7","3","5","5","3","6","4","1") = "6"
    & skf21("7","3","5","5","3","6","5","1") = "6"
    & skf21("7","3","5","5","3","6","6","1") = "6"
    & skf21("7","3","5","5","3","6","7","1") = "6"
    & skf21("7","3","5","5","3","7","1","1") = "6"
    & skf21("7","3","5","5","3","7","2","1") = "6"
    & skf21("7","3","5","5","3","7","3","1") = "6"
    & skf21("7","3","5","5","3","7","4","1") = "6"
    & skf21("7","3","5","5","3","7","5","1") = "6"
    & skf21("7","3","5","5","3","7","6","1") = "6"
    & skf21("7","3","5","5","3","7","7","1") = "6"
    & skf21("7","3","5","5","4","1","1","1") = "6"
    & skf21("7","3","5","5","4","1","2","1") = "6"
    & skf21("7","3","5","5","4","1","3","1") = "6"
    & skf21("7","3","5","5","4","1","4","1") = "6"
    & skf21("7","3","5","5","4","1","5","1") = "6"
    & skf21("7","3","5","5","4","1","6","1") = "6"
    & skf21("7","3","5","5","4","1","7","1") = "6"
    & skf21("7","3","5","5","4","2","1","1") = "6"
    & skf21("7","3","5","5","4","2","2","1") = "6"
    & skf21("7","3","5","5","4","2","3","1") = "6"
    & skf21("7","3","5","5","4","2","4","1") = "6"
    & skf21("7","3","5","5","4","2","5","1") = "6"
    & skf21("7","3","5","5","4","2","6","1") = "6"
    & skf21("7","3","5","5","4","2","7","1") = "6"
    & skf21("7","3","5","5","4","3","1","1") = "6"
    & skf21("7","3","5","5","4","3","2","1") = "6"
    & skf21("7","3","5","5","4","3","3","1") = "6"
    & skf21("7","3","5","5","4","3","4","1") = "6"
    & skf21("7","3","5","5","4","3","5","1") = "6"
    & skf21("7","3","5","5","4","3","6","1") = "6"
    & skf21("7","3","5","5","4","3","7","1") = "6"
    & skf21("7","3","5","5","4","4","1","1") = "6"
    & skf21("7","3","5","5","4","4","2","1") = "6"
    & skf21("7","3","5","5","4","4","3","1") = "6"
    & skf21("7","3","5","5","4","4","4","1") = "6"
    & skf21("7","3","5","5","4","4","5","1") = "6"
    & skf21("7","3","5","5","4","4","6","1") = "6"
    & skf21("7","3","5","5","4","4","7","1") = "6"
    & skf21("7","3","5","5","4","5","1","1") = "6"
    & skf21("7","3","5","5","4","5","2","1") = "6"
    & skf21("7","3","5","5","4","5","3","1") = "6"
    & skf21("7","3","5","5","4","5","4","1") = "6"
    & skf21("7","3","5","5","4","5","5","1") = "6"
    & skf21("7","3","5","5","4","5","6","1") = "6"
    & skf21("7","3","5","5","4","5","7","1") = "6"
    & skf21("7","3","5","5","4","6","1","1") = "6"
    & skf21("7","3","5","5","4","6","2","1") = "6"
    & skf21("7","3","5","5","4","6","3","1") = "6"
    & skf21("7","3","5","5","4","6","4","1") = "6"
    & skf21("7","3","5","5","4","6","5","1") = "6"
    & skf21("7","3","5","5","4","6","6","1") = "6"
    & skf21("7","3","5","5","4","6","7","1") = "6"
    & skf21("7","3","5","5","4","7","1","1") = "6"
    & skf21("7","3","5","5","4","7","2","1") = "6"
    & skf21("7","3","5","5","4","7","3","1") = "6"
    & skf21("7","3","5","5","4","7","4","1") = "6"
    & skf21("7","3","5","5","4","7","5","1") = "6"
    & skf21("7","3","5","5","4","7","6","1") = "6"
    & skf21("7","3","5","5","4","7","7","1") = "6"
    & skf21("7","3","5","5","5","1","1","1") = "6"
    & skf21("7","3","5","5","5","1","2","1") = "6"
    & skf21("7","3","5","5","5","1","3","1") = "6"
    & skf21("7","3","5","5","5","1","4","1") = "6"
    & skf21("7","3","5","5","5","1","5","1") = "6"
    & skf21("7","3","5","5","5","1","6","1") = "6"
    & skf21("7","3","5","5","5","1","7","1") = "6"
    & skf21("7","3","5","5","5","2","1","1") = "6"
    & skf21("7","3","5","5","5","2","2","1") = "6"
    & skf21("7","3","5","5","5","2","3","1") = "6"
    & skf21("7","3","5","5","5","2","4","1") = "6"
    & skf21("7","3","5","5","5","2","5","1") = "6"
    & skf21("7","3","5","5","5","2","6","1") = "6"
    & skf21("7","3","5","5","5","2","7","1") = "6"
    & skf21("7","3","5","5","5","3","1","1") = "6"
    & skf21("7","3","5","5","5","3","2","1") = "6"
    & skf21("7","3","5","5","5","3","3","1") = "6"
    & skf21("7","3","5","5","5","3","4","1") = "6"
    & skf21("7","3","5","5","5","3","5","1") = "6"
    & skf21("7","3","5","5","5","3","6","1") = "6"
    & skf21("7","3","5","5","5","3","7","1") = "6"
    & skf21("7","3","5","5","5","4","1","1") = "6"
    & skf21("7","3","5","5","5","4","2","1") = "6"
    & skf21("7","3","5","5","5","4","3","1") = "6"
    & skf21("7","3","5","5","5","4","4","1") = "6"
    & skf21("7","3","5","5","5","4","5","1") = "6"
    & skf21("7","3","5","5","5","4","6","1") = "6"
    & skf21("7","3","5","5","5","4","7","1") = "6"
    & skf21("7","3","5","5","5","5","1","1") = "6"
    & skf21("7","3","5","5","5","5","2","1") = "6"
    & skf21("7","3","5","5","5","5","3","1") = "6"
    & skf21("7","3","5","5","5","5","4","1") = "6"
    & skf21("7","3","5","5","5","5","5","1") = "6"
    & skf21("7","3","5","5","5","5","6","1") = "6"
    & skf21("7","3","5","5","5","5","7","1") = "6"
    & skf21("7","3","5","5","5","6","1","1") = "6"
    & skf21("7","3","5","5","5","6","2","1") = "6"
    & skf21("7","3","5","5","5","6","3","1") = "6"
    & skf21("7","3","5","5","5","6","4","1") = "6"
    & skf21("7","3","5","5","5","6","5","1") = "6"
    & skf21("7","3","5","5","5","6","6","1") = "6"
    & skf21("7","3","5","5","5","6","7","1") = "6"
    & skf21("7","3","5","5","5","7","1","1") = "6"
    & skf21("7","3","5","5","5","7","2","1") = "6"
    & skf21("7","3","5","5","5","7","3","1") = "6"
    & skf21("7","3","5","5","5","7","4","1") = "6"
    & skf21("7","3","5","5","5","7","5","1") = "6"
    & skf21("7","3","5","5","5","7","6","1") = "6"
    & skf21("7","3","5","5","5","7","7","1") = "6"
    & skf21("7","3","5","5","6","1","1","1") = "6"
    & skf21("7","3","5","5","6","1","2","1") = "6"
    & skf21("7","3","5","5","6","1","3","1") = "6"
    & skf21("7","3","5","5","6","1","4","1") = "6"
    & skf21("7","3","5","5","6","1","5","1") = "6"
    & skf21("7","3","5","5","6","1","6","1") = "6"
    & skf21("7","3","5","5","6","1","7","1") = "6"
    & skf21("7","3","5","5","6","2","1","1") = "6"
    & skf21("7","3","5","5","6","2","2","1") = "6"
    & skf21("7","3","5","5","6","2","3","1") = "6"
    & skf21("7","3","5","5","6","2","4","1") = "6"
    & skf21("7","3","5","5","6","2","5","1") = "6"
    & skf21("7","3","5","5","6","2","6","1") = "6"
    & skf21("7","3","5","5","6","2","7","1") = "6"
    & skf21("7","3","5","5","6","3","1","1") = "6"
    & skf21("7","3","5","5","6","3","2","1") = "6"
    & skf21("7","3","5","5","6","3","3","1") = "6"
    & skf21("7","3","5","5","6","3","4","1") = "6"
    & skf21("7","3","5","5","6","3","5","1") = "6"
    & skf21("7","3","5","5","6","3","6","1") = "6"
    & skf21("7","3","5","5","6","3","7","1") = "6"
    & skf21("7","3","5","5","6","4","1","1") = "6"
    & skf21("7","3","5","5","6","4","2","1") = "6"
    & skf21("7","3","5","5","6","4","3","1") = "6"
    & skf21("7","3","5","5","6","4","4","1") = "6"
    & skf21("7","3","5","5","6","4","5","1") = "6"
    & skf21("7","3","5","5","6","4","6","1") = "6"
    & skf21("7","3","5","5","6","4","7","1") = "6"
    & skf21("7","3","5","5","6","5","1","1") = "6"
    & skf21("7","3","5","5","6","5","2","1") = "6"
    & skf21("7","3","5","5","6","5","3","1") = "6"
    & skf21("7","3","5","5","6","5","4","1") = "6"
    & skf21("7","3","5","5","6","5","5","1") = "6"
    & skf21("7","3","5","5","6","5","6","1") = "6"
    & skf21("7","3","5","5","6","5","7","1") = "6"
    & skf21("7","3","5","5","6","6","1","1") = "6"
    & skf21("7","3","5","5","6","6","2","1") = "6"
    & skf21("7","3","5","5","6","6","3","1") = "6"
    & skf21("7","3","5","5","6","6","4","1") = "6"
    & skf21("7","3","5","5","6","6","5","1") = "6"
    & skf21("7","3","5","5","6","6","6","1") = "6"
    & skf21("7","3","5","5","6","6","7","1") = "6"
    & skf21("7","3","5","5","6","7","1","1") = "6"
    & skf21("7","3","5","5","6","7","2","1") = "6"
    & skf21("7","3","5","5","6","7","3","1") = "6"
    & skf21("7","3","5","5","6","7","4","1") = "6"
    & skf21("7","3","5","5","6","7","5","1") = "6"
    & skf21("7","3","5","5","6","7","6","1") = "6"
    & skf21("7","3","5","5","6","7","7","1") = "6"
    & skf21("7","3","5","5","7","1","1","1") = "6"
    & skf21("7","3","5","5","7","1","2","1") = "6"
    & skf21("7","3","5","5","7","1","3","1") = "6"
    & skf21("7","3","5","5","7","1","4","1") = "6"
    & skf21("7","3","5","5","7","1","5","1") = "6"
    & skf21("7","3","5","5","7","1","6","1") = "6"
    & skf21("7","3","5","5","7","1","7","1") = "6"
    & skf21("7","3","5","5","7","2","1","1") = "6"
    & skf21("7","3","5","5","7","2","2","1") = "6"
    & skf21("7","3","5","5","7","2","3","1") = "6"
    & skf21("7","3","5","5","7","2","4","1") = "6"
    & skf21("7","3","5","5","7","2","5","1") = "6"
    & skf21("7","3","5","5","7","2","6","1") = "6"
    & skf21("7","3","5","5","7","2","7","1") = "6"
    & skf21("7","3","5","5","7","3","1","1") = "6"
    & skf21("7","3","5","5","7","3","2","1") = "6"
    & skf21("7","3","5","5","7","3","3","1") = "6"
    & skf21("7","3","5","5","7","3","4","1") = "6"
    & skf21("7","3","5","5","7","3","5","1") = "6"
    & skf21("7","3","5","5","7","3","6","1") = "6"
    & skf21("7","3","5","5","7","3","7","1") = "6"
    & skf21("7","3","5","5","7","4","1","1") = "6"
    & skf21("7","3","5","5","7","4","2","1") = "6"
    & skf21("7","3","5","5","7","4","3","1") = "6"
    & skf21("7","3","5","5","7","4","4","1") = "6"
    & skf21("7","3","5","5","7","4","5","1") = "6"
    & skf21("7","3","5","5","7","4","6","1") = "6"
    & skf21("7","3","5","5","7","4","7","1") = "6"
    & skf21("7","3","5","5","7","5","1","1") = "6"
    & skf21("7","3","5","5","7","5","2","1") = "6"
    & skf21("7","3","5","5","7","5","3","1") = "6"
    & skf21("7","3","5","5","7","5","4","1") = "6"
    & skf21("7","3","5","5","7","5","5","1") = "6"
    & skf21("7","3","5","5","7","5","6","1") = "6"
    & skf21("7","3","5","5","7","5","7","1") = "6"
    & skf21("7","3","5","5","7","6","1","1") = "6"
    & skf21("7","3","5","5","7","6","2","1") = "6"
    & skf21("7","3","5","5","7","6","3","1") = "6"
    & skf21("7","3","5","5","7","6","4","1") = "6"
    & skf21("7","3","5","5","7","6","5","1") = "6"
    & skf21("7","3","5","5","7","6","6","1") = "6"
    & skf21("7","3","5","5","7","6","7","1") = "6"
    & skf21("7","3","5","5","7","7","1","1") = "6"
    & skf21("7","3","5","5","7","7","2","1") = "6"
    & skf21("7","3","5","5","7","7","3","1") = "6"
    & skf21("7","3","5","5","7","7","4","1") = "6"
    & skf21("7","3","5","5","7","7","5","1") = "6"
    & skf21("7","3","5","5","7","7","6","1") = "6"
    & skf21("7","3","5","5","7","7","7","1") = "6"
    & skf21("7","3","5","6","1","1","1","1") = "6"
    & skf21("7","3","5","6","1","1","2","1") = "6"
    & skf21("7","3","5","6","1","1","3","1") = "6"
    & skf21("7","3","5","6","1","1","4","1") = "6"
    & skf21("7","3","5","6","1","1","5","1") = "6"
    & skf21("7","3","5","6","1","1","6","1") = "6"
    & skf21("7","3","5","6","1","1","7","1") = "6"
    & skf21("7","3","5","6","1","2","1","1") = "6"
    & skf21("7","3","5","6","1","2","2","1") = "6"
    & skf21("7","3","5","6","1","2","3","1") = "6"
    & skf21("7","3","5","6","1","2","4","1") = "6"
    & skf21("7","3","5","6","1","2","5","1") = "6"
    & skf21("7","3","5","6","1","2","6","1") = "6"
    & skf21("7","3","5","6","1","2","7","1") = "6"
    & skf21("7","3","5","6","1","3","1","1") = "6"
    & skf21("7","3","5","6","1","3","2","1") = "6"
    & skf21("7","3","5","6","1","3","3","1") = "6"
    & skf21("7","3","5","6","1","3","4","1") = "6"
    & skf21("7","3","5","6","1","3","5","1") = "6"
    & skf21("7","3","5","6","1","3","6","1") = "6"
    & skf21("7","3","5","6","1","3","7","1") = "6"
    & skf21("7","3","5","6","1","4","1","1") = "6"
    & skf21("7","3","5","6","1","4","2","1") = "6"
    & skf21("7","3","5","6","1","4","3","1") = "6"
    & skf21("7","3","5","6","1","4","4","1") = "6"
    & skf21("7","3","5","6","1","4","5","1") = "6"
    & skf21("7","3","5","6","1","4","6","1") = "6"
    & skf21("7","3","5","6","1","4","7","1") = "6"
    & skf21("7","3","5","6","1","5","1","1") = "6"
    & skf21("7","3","5","6","1","5","2","1") = "6"
    & skf21("7","3","5","6","1","5","3","1") = "6"
    & skf21("7","3","5","6","1","5","4","1") = "6"
    & skf21("7","3","5","6","1","5","5","1") = "6"
    & skf21("7","3","5","6","1","5","6","1") = "6"
    & skf21("7","3","5","6","1","5","7","1") = "6"
    & skf21("7","3","5","6","1","6","1","1") = "6"
    & skf21("7","3","5","6","1","6","2","1") = "6"
    & skf21("7","3","5","6","1","6","3","1") = "6"
    & skf21("7","3","5","6","1","6","4","1") = "6"
    & skf21("7","3","5","6","1","6","5","1") = "6"
    & skf21("7","3","5","6","1","6","6","1") = "6"
    & skf21("7","3","5","6","1","6","7","1") = "6"
    & skf21("7","3","5","6","1","7","1","1") = "6"
    & skf21("7","3","5","6","1","7","2","1") = "6"
    & skf21("7","3","5","6","1","7","3","1") = "6"
    & skf21("7","3","5","6","1","7","4","1") = "6"
    & skf21("7","3","5","6","1","7","5","1") = "6"
    & skf21("7","3","5","6","1","7","6","1") = "6"
    & skf21("7","3","5","6","1","7","7","1") = "6"
    & skf21("7","3","5","6","2","1","1","1") = "6"
    & skf21("7","3","5","6","2","1","2","1") = "6"
    & skf21("7","3","5","6","2","1","3","1") = "6"
    & skf21("7","3","5","6","2","1","4","1") = "6"
    & skf21("7","3","5","6","2","1","5","1") = "6"
    & skf21("7","3","5","6","2","1","6","1") = "6"
    & skf21("7","3","5","6","2","1","7","1") = "6"
    & skf21("7","3","5","6","2","2","1","1") = "6"
    & skf21("7","3","5","6","2","2","2","1") = "6"
    & skf21("7","3","5","6","2","2","3","1") = "6"
    & skf21("7","3","5","6","2","2","4","1") = "6"
    & skf21("7","3","5","6","2","2","5","1") = "6"
    & skf21("7","3","5","6","2","2","6","1") = "6"
    & skf21("7","3","5","6","2","2","7","1") = "6"
    & skf21("7","3","5","6","2","3","1","1") = "6"
    & skf21("7","3","5","6","2","3","2","1") = "6"
    & skf21("7","3","5","6","2","3","3","1") = "6"
    & skf21("7","3","5","6","2","3","4","1") = "6"
    & skf21("7","3","5","6","2","3","5","1") = "6"
    & skf21("7","3","5","6","2","3","6","1") = "6"
    & skf21("7","3","5","6","2","3","7","1") = "6"
    & skf21("7","3","5","6","2","4","1","1") = "6"
    & skf21("7","3","5","6","2","4","2","1") = "6"
    & skf21("7","3","5","6","2","4","3","1") = "6"
    & skf21("7","3","5","6","2","4","4","1") = "6"
    & skf21("7","3","5","6","2","4","5","1") = "6"
    & skf21("7","3","5","6","2","4","6","1") = "6"
    & skf21("7","3","5","6","2","4","7","1") = "6"
    & skf21("7","3","5","6","2","5","1","1") = "6"
    & skf21("7","3","5","6","2","5","2","1") = "6"
    & skf21("7","3","5","6","2","5","3","1") = "6"
    & skf21("7","3","5","6","2","5","4","1") = "6"
    & skf21("7","3","5","6","2","5","5","1") = "6"
    & skf21("7","3","5","6","2","5","6","1") = "6"
    & skf21("7","3","5","6","2","5","7","1") = "6"
    & skf21("7","3","5","6","2","6","1","1") = "6"
    & skf21("7","3","5","6","2","6","2","1") = "6"
    & skf21("7","3","5","6","2","6","3","1") = "6"
    & skf21("7","3","5","6","2","6","4","1") = "6"
    & skf21("7","3","5","6","2","6","5","1") = "6"
    & skf21("7","3","5","6","2","6","6","1") = "6"
    & skf21("7","3","5","6","2","6","7","1") = "6"
    & skf21("7","3","5","6","2","7","1","1") = "6"
    & skf21("7","3","5","6","2","7","2","1") = "6"
    & skf21("7","3","5","6","2","7","3","1") = "6"
    & skf21("7","3","5","6","2","7","4","1") = "6"
    & skf21("7","3","5","6","2","7","5","1") = "6"
    & skf21("7","3","5","6","2","7","6","1") = "6"
    & skf21("7","3","5","6","2","7","7","1") = "6"
    & skf21("7","3","5","6","3","1","1","1") = "6"
    & skf21("7","3","5","6","3","1","2","1") = "6"
    & skf21("7","3","5","6","3","1","3","1") = "6"
    & skf21("7","3","5","6","3","1","4","1") = "6"
    & skf21("7","3","5","6","3","1","5","1") = "6"
    & skf21("7","3","5","6","3","1","6","1") = "6"
    & skf21("7","3","5","6","3","1","7","1") = "6"
    & skf21("7","3","5","6","3","2","1","1") = "6"
    & skf21("7","3","5","6","3","2","2","1") = "6"
    & skf21("7","3","5","6","3","2","3","1") = "6"
    & skf21("7","3","5","6","3","2","4","1") = "6"
    & skf21("7","3","5","6","3","2","5","1") = "6"
    & skf21("7","3","5","6","3","2","6","1") = "6"
    & skf21("7","3","5","6","3","2","7","1") = "6"
    & skf21("7","3","5","6","3","3","1","1") = "6"
    & skf21("7","3","5","6","3","3","2","1") = "6"
    & skf21("7","3","5","6","3","3","3","1") = "6"
    & skf21("7","3","5","6","3","3","4","1") = "6"
    & skf21("7","3","5","6","3","3","5","1") = "6"
    & skf21("7","3","5","6","3","3","6","1") = "6"
    & skf21("7","3","5","6","3","3","7","1") = "6"
    & skf21("7","3","5","6","3","4","1","1") = "6"
    & skf21("7","3","5","6","3","4","2","1") = "6"
    & skf21("7","3","5","6","3","4","3","1") = "6"
    & skf21("7","3","5","6","3","4","4","1") = "6"
    & skf21("7","3","5","6","3","4","5","1") = "6"
    & skf21("7","3","5","6","3","4","6","1") = "6"
    & skf21("7","3","5","6","3","4","7","1") = "6"
    & skf21("7","3","5","6","3","5","1","1") = "6"
    & skf21("7","3","5","6","3","5","2","1") = "6"
    & skf21("7","3","5","6","3","5","3","1") = "6"
    & skf21("7","3","5","6","3","5","4","1") = "6"
    & skf21("7","3","5","6","3","5","5","1") = "6"
    & skf21("7","3","5","6","3","5","6","1") = "6"
    & skf21("7","3","5","6","3","5","7","1") = "6"
    & skf21("7","3","5","6","3","6","1","1") = "6"
    & skf21("7","3","5","6","3","6","2","1") = "6"
    & skf21("7","3","5","6","3","6","3","1") = "6"
    & skf21("7","3","5","6","3","6","4","1") = "6"
    & skf21("7","3","5","6","3","6","5","1") = "6"
    & skf21("7","3","5","6","3","6","6","1") = "6"
    & skf21("7","3","5","6","3","6","7","1") = "6"
    & skf21("7","3","5","6","3","7","1","1") = "6"
    & skf21("7","3","5","6","3","7","2","1") = "6"
    & skf21("7","3","5","6","3","7","3","1") = "6"
    & skf21("7","3","5","6","3","7","4","1") = "6"
    & skf21("7","3","5","6","3","7","5","1") = "6"
    & skf21("7","3","5","6","3","7","6","1") = "6"
    & skf21("7","3","5","6","3","7","7","1") = "6"
    & skf21("7","3","5","6","4","1","1","1") = "6"
    & skf21("7","3","5","6","4","1","2","1") = "6"
    & skf21("7","3","5","6","4","1","3","1") = "6"
    & skf21("7","3","5","6","4","1","4","1") = "6"
    & skf21("7","3","5","6","4","1","5","1") = "6"
    & skf21("7","3","5","6","4","1","6","1") = "6"
    & skf21("7","3","5","6","4","1","7","1") = "6"
    & skf21("7","3","5","6","4","2","1","1") = "6"
    & skf21("7","3","5","6","4","2","2","1") = "6"
    & skf21("7","3","5","6","4","2","3","1") = "6"
    & skf21("7","3","5","6","4","2","4","1") = "6"
    & skf21("7","3","5","6","4","2","5","1") = "6"
    & skf21("7","3","5","6","4","2","6","1") = "6"
    & skf21("7","3","5","6","4","2","7","1") = "6"
    & skf21("7","3","5","6","4","3","1","1") = "6"
    & skf21("7","3","5","6","4","3","2","1") = "6"
    & skf21("7","3","5","6","4","3","3","1") = "6"
    & skf21("7","3","5","6","4","3","4","1") = "6"
    & skf21("7","3","5","6","4","3","5","1") = "6"
    & skf21("7","3","5","6","4","3","6","1") = "6"
    & skf21("7","3","5","6","4","3","7","1") = "6"
    & skf21("7","3","5","6","4","4","1","1") = "6"
    & skf21("7","3","5","6","4","4","2","1") = "6"
    & skf21("7","3","5","6","4","4","3","1") = "6"
    & skf21("7","3","5","6","4","4","4","1") = "6"
    & skf21("7","3","5","6","4","4","5","1") = "6"
    & skf21("7","3","5","6","4","4","6","1") = "6"
    & skf21("7","3","5","6","4","4","7","1") = "6"
    & skf21("7","3","5","6","4","5","1","1") = "6"
    & skf21("7","3","5","6","4","5","2","1") = "6"
    & skf21("7","3","5","6","4","5","3","1") = "6"
    & skf21("7","3","5","6","4","5","4","1") = "6"
    & skf21("7","3","5","6","4","5","5","1") = "6"
    & skf21("7","3","5","6","4","5","6","1") = "6"
    & skf21("7","3","5","6","4","5","7","1") = "6"
    & skf21("7","3","5","6","4","6","1","1") = "6"
    & skf21("7","3","5","6","4","6","2","1") = "6"
    & skf21("7","3","5","6","4","6","3","1") = "6"
    & skf21("7","3","5","6","4","6","4","1") = "6"
    & skf21("7","3","5","6","4","6","5","1") = "6"
    & skf21("7","3","5","6","4","6","6","1") = "6"
    & skf21("7","3","5","6","4","6","7","1") = "6"
    & skf21("7","3","5","6","4","7","1","1") = "6"
    & skf21("7","3","5","6","4","7","2","1") = "6"
    & skf21("7","3","5","6","4","7","3","1") = "6"
    & skf21("7","3","5","6","4","7","4","1") = "6"
    & skf21("7","3","5","6","4","7","5","1") = "6"
    & skf21("7","3","5","6","4","7","6","1") = "6"
    & skf21("7","3","5","6","4","7","7","1") = "6"
    & skf21("7","3","5","6","5","1","1","1") = "6"
    & skf21("7","3","5","6","5","1","2","1") = "6"
    & skf21("7","3","5","6","5","1","3","1") = "6"
    & skf21("7","3","5","6","5","1","4","1") = "6"
    & skf21("7","3","5","6","5","1","5","1") = "6"
    & skf21("7","3","5","6","5","1","6","1") = "6"
    & skf21("7","3","5","6","5","1","7","1") = "6"
    & skf21("7","3","5","6","5","2","1","1") = "6"
    & skf21("7","3","5","6","5","2","2","1") = "6"
    & skf21("7","3","5","6","5","2","3","1") = "6"
    & skf21("7","3","5","6","5","2","4","1") = "6"
    & skf21("7","3","5","6","5","2","5","1") = "6"
    & skf21("7","3","5","6","5","2","6","1") = "6"
    & skf21("7","3","5","6","5","2","7","1") = "6"
    & skf21("7","3","5","6","5","3","1","1") = "6"
    & skf21("7","3","5","6","5","3","2","1") = "6"
    & skf21("7","3","5","6","5","3","3","1") = "6"
    & skf21("7","3","5","6","5","3","4","1") = "6"
    & skf21("7","3","5","6","5","3","5","1") = "6"
    & skf21("7","3","5","6","5","3","6","1") = "6"
    & skf21("7","3","5","6","5","3","7","1") = "6"
    & skf21("7","3","5","6","5","4","1","1") = "6"
    & skf21("7","3","5","6","5","4","2","1") = "6"
    & skf21("7","3","5","6","5","4","3","1") = "6"
    & skf21("7","3","5","6","5","4","4","1") = "6"
    & skf21("7","3","5","6","5","4","5","1") = "6"
    & skf21("7","3","5","6","5","4","6","1") = "6"
    & skf21("7","3","5","6","5","4","7","1") = "6"
    & skf21("7","3","5","6","5","5","1","1") = "6"
    & skf21("7","3","5","6","5","5","2","1") = "6"
    & skf21("7","3","5","6","5","5","3","1") = "6"
    & skf21("7","3","5","6","5","5","4","1") = "6"
    & skf21("7","3","5","6","5","5","5","1") = "6"
    & skf21("7","3","5","6","5","5","6","1") = "6"
    & skf21("7","3","5","6","5","5","7","1") = "6"
    & skf21("7","3","5","6","5","6","1","1") = "6"
    & skf21("7","3","5","6","5","6","2","1") = "6"
    & skf21("7","3","5","6","5","6","3","1") = "6"
    & skf21("7","3","5","6","5","6","4","1") = "6"
    & skf21("7","3","5","6","5","6","5","1") = "6"
    & skf21("7","3","5","6","5","6","6","1") = "6"
    & skf21("7","3","5","6","5","6","7","1") = "6"
    & skf21("7","3","5","6","5","7","1","1") = "6"
    & skf21("7","3","5","6","5","7","2","1") = "6"
    & skf21("7","3","5","6","5","7","3","1") = "6"
    & skf21("7","3","5","6","5","7","4","1") = "6"
    & skf21("7","3","5","6","5","7","5","1") = "6"
    & skf21("7","3","5","6","5","7","6","1") = "6"
    & skf21("7","3","5","6","5","7","7","1") = "6"
    & skf21("7","3","5","6","6","1","1","1") = "6"
    & skf21("7","3","5","6","6","1","2","1") = "6"
    & skf21("7","3","5","6","6","1","3","1") = "6"
    & skf21("7","3","5","6","6","1","4","1") = "6"
    & skf21("7","3","5","6","6","1","5","1") = "6"
    & skf21("7","3","5","6","6","1","6","1") = "6"
    & skf21("7","3","5","6","6","1","7","1") = "6"
    & skf21("7","3","5","6","6","2","1","1") = "6"
    & skf21("7","3","5","6","6","2","2","1") = "6"
    & skf21("7","3","5","6","6","2","3","1") = "6"
    & skf21("7","3","5","6","6","2","4","1") = "6"
    & skf21("7","3","5","6","6","2","5","1") = "6"
    & skf21("7","3","5","6","6","2","6","1") = "6"
    & skf21("7","3","5","6","6","2","7","1") = "6"
    & skf21("7","3","5","6","6","3","1","1") = "6"
    & skf21("7","3","5","6","6","3","2","1") = "6"
    & skf21("7","3","5","6","6","3","3","1") = "6"
    & skf21("7","3","5","6","6","3","4","1") = "6"
    & skf21("7","3","5","6","6","3","5","1") = "6"
    & skf21("7","3","5","6","6","3","6","1") = "6"
    & skf21("7","3","5","6","6","3","7","1") = "6"
    & skf21("7","3","5","6","6","4","1","1") = "6"
    & skf21("7","3","5","6","6","4","2","1") = "6"
    & skf21("7","3","5","6","6","4","3","1") = "6"
    & skf21("7","3","5","6","6","4","4","1") = "6"
    & skf21("7","3","5","6","6","4","5","1") = "6"
    & skf21("7","3","5","6","6","4","6","1") = "6"
    & skf21("7","3","5","6","6","4","7","1") = "6"
    & skf21("7","3","5","6","6","5","1","1") = "6"
    & skf21("7","3","5","6","6","5","2","1") = "6"
    & skf21("7","3","5","6","6","5","3","1") = "6"
    & skf21("7","3","5","6","6","5","4","1") = "6"
    & skf21("7","3","5","6","6","5","5","1") = "6"
    & skf21("7","3","5","6","6","5","6","1") = "6"
    & skf21("7","3","5","6","6","5","7","1") = "6"
    & skf21("7","3","5","6","6","6","1","1") = "6"
    & skf21("7","3","5","6","6","6","2","1") = "6"
    & skf21("7","3","5","6","6","6","3","1") = "6"
    & skf21("7","3","5","6","6","6","4","1") = "6"
    & skf21("7","3","5","6","6","6","5","1") = "6"
    & skf21("7","3","5","6","6","6","6","1") = "6"
    & skf21("7","3","5","6","6","6","7","1") = "6"
    & skf21("7","3","5","6","6","7","1","1") = "6"
    & skf21("7","3","5","6","6","7","2","1") = "6"
    & skf21("7","3","5","6","6","7","3","1") = "6"
    & skf21("7","3","5","6","6","7","4","1") = "6"
    & skf21("7","3","5","6","6","7","5","1") = "6"
    & skf21("7","3","5","6","6","7","6","1") = "6"
    & skf21("7","3","5","6","6","7","7","1") = "6"
    & skf21("7","3","5","6","7","1","1","1") = "6"
    & skf21("7","3","5","6","7","1","2","1") = "6"
    & skf21("7","3","5","6","7","1","3","1") = "6"
    & skf21("7","3","5","6","7","1","4","1") = "6"
    & skf21("7","3","5","6","7","1","5","1") = "6"
    & skf21("7","3","5","6","7","1","6","1") = "6"
    & skf21("7","3","5","6","7","1","7","1") = "6"
    & skf21("7","3","5","6","7","2","1","1") = "6"
    & skf21("7","3","5","6","7","2","2","1") = "6"
    & skf21("7","3","5","6","7","2","3","1") = "6"
    & skf21("7","3","5","6","7","2","4","1") = "6"
    & skf21("7","3","5","6","7","2","5","1") = "6"
    & skf21("7","3","5","6","7","2","6","1") = "6"
    & skf21("7","3","5","6","7","2","7","1") = "6"
    & skf21("7","3","5","6","7","3","1","1") = "6"
    & skf21("7","3","5","6","7","3","2","1") = "6"
    & skf21("7","3","5","6","7","3","3","1") = "6"
    & skf21("7","3","5","6","7","3","4","1") = "6"
    & skf21("7","3","5","6","7","3","5","1") = "6"
    & skf21("7","3","5","6","7","3","6","1") = "6"
    & skf21("7","3","5","6","7","3","7","1") = "6"
    & skf21("7","3","5","6","7","4","1","1") = "6"
    & skf21("7","3","5","6","7","4","2","1") = "6"
    & skf21("7","3","5","6","7","4","3","1") = "6"
    & skf21("7","3","5","6","7","4","4","1") = "6"
    & skf21("7","3","5","6","7","4","5","1") = "6"
    & skf21("7","3","5","6","7","4","6","1") = "6"
    & skf21("7","3","5","6","7","4","7","1") = "6"
    & skf21("7","3","5","6","7","5","1","1") = "6"
    & skf21("7","3","5","6","7","5","2","1") = "6"
    & skf21("7","3","5","6","7","5","3","1") = "6"
    & skf21("7","3","5","6","7","5","4","1") = "6"
    & skf21("7","3","5","6","7","5","5","1") = "6"
    & skf21("7","3","5","6","7","5","6","1") = "6"
    & skf21("7","3","5","6","7","5","7","1") = "6"
    & skf21("7","3","5","6","7","6","1","1") = "6"
    & skf21("7","3","5","6","7","6","2","1") = "6"
    & skf21("7","3","5","6","7","6","3","1") = "6"
    & skf21("7","3","5","6","7","6","4","1") = "6"
    & skf21("7","3","5","6","7","6","5","1") = "6"
    & skf21("7","3","5","6","7","6","6","1") = "6"
    & skf21("7","3","5","6","7","6","7","1") = "6"
    & skf21("7","3","5","6","7","7","1","1") = "6"
    & skf21("7","3","5","6","7","7","2","1") = "6"
    & skf21("7","3","5","6","7","7","3","1") = "6"
    & skf21("7","3","5","6","7","7","4","1") = "6"
    & skf21("7","3","5","6","7","7","5","1") = "6"
    & skf21("7","3","5","6","7","7","6","1") = "6"
    & skf21("7","3","5","6","7","7","7","1") = "6"
    & skf21("7","3","5","7","1","1","1","1") = "6"
    & skf21("7","3","5","7","1","1","2","1") = "6"
    & skf21("7","3","5","7","1","1","3","1") = "6"
    & skf21("7","3","5","7","1","1","4","1") = "6"
    & skf21("7","3","5","7","1","1","5","1") = "6"
    & skf21("7","3","5","7","1","1","6","1") = "6"
    & skf21("7","3","5","7","1","1","7","1") = "6"
    & skf21("7","3","5","7","1","2","1","1") = "6"
    & skf21("7","3","5","7","1","2","2","1") = "6"
    & skf21("7","3","5","7","1","2","3","1") = "6"
    & skf21("7","3","5","7","1","2","4","1") = "6"
    & skf21("7","3","5","7","1","2","5","1") = "6"
    & skf21("7","3","5","7","1","2","6","1") = "6"
    & skf21("7","3","5","7","1","2","7","1") = "6"
    & skf21("7","3","5","7","1","3","1","1") = "6"
    & skf21("7","3","5","7","1","3","2","1") = "6"
    & skf21("7","3","5","7","1","3","3","1") = "6"
    & skf21("7","3","5","7","1","3","4","1") = "6"
    & skf21("7","3","5","7","1","3","5","1") = "6"
    & skf21("7","3","5","7","1","3","6","1") = "6"
    & skf21("7","3","5","7","1","3","7","1") = "6"
    & skf21("7","3","5","7","1","4","1","1") = "6"
    & skf21("7","3","5","7","1","4","2","1") = "6"
    & skf21("7","3","5","7","1","4","3","1") = "6"
    & skf21("7","3","5","7","1","4","4","1") = "6"
    & skf21("7","3","5","7","1","4","5","1") = "6"
    & skf21("7","3","5","7","1","4","6","1") = "6"
    & skf21("7","3","5","7","1","4","7","1") = "6"
    & skf21("7","3","5","7","1","5","1","1") = "6"
    & skf21("7","3","5","7","1","5","2","1") = "6"
    & skf21("7","3","5","7","1","5","3","1") = "6"
    & skf21("7","3","5","7","1","5","4","1") = "6"
    & skf21("7","3","5","7","1","5","5","1") = "6"
    & skf21("7","3","5","7","1","5","6","1") = "6"
    & skf21("7","3","5","7","1","5","7","1") = "6"
    & skf21("7","3","5","7","1","6","1","1") = "6"
    & skf21("7","3","5","7","1","6","2","1") = "6"
    & skf21("7","3","5","7","1","6","3","1") = "6"
    & skf21("7","3","5","7","1","6","4","1") = "6"
    & skf21("7","3","5","7","1","6","5","1") = "6"
    & skf21("7","3","5","7","1","6","6","1") = "6"
    & skf21("7","3","5","7","1","6","7","1") = "6"
    & skf21("7","3","5","7","1","7","1","1") = "6"
    & skf21("7","3","5","7","1","7","2","1") = "6"
    & skf21("7","3","5","7","1","7","3","1") = "6"
    & skf21("7","3","5","7","1","7","4","1") = "6"
    & skf21("7","3","5","7","1","7","5","1") = "6"
    & skf21("7","3","5","7","1","7","6","1") = "6"
    & skf21("7","3","5","7","1","7","7","1") = "6"
    & skf21("7","3","5","7","2","1","1","1") = "6"
    & skf21("7","3","5","7","2","1","2","1") = "6"
    & skf21("7","3","5","7","2","1","3","1") = "6"
    & skf21("7","3","5","7","2","1","4","1") = "6"
    & skf21("7","3","5","7","2","1","5","1") = "6"
    & skf21("7","3","5","7","2","1","6","1") = "6"
    & skf21("7","3","5","7","2","1","7","1") = "6"
    & skf21("7","3","5","7","2","2","1","1") = "6"
    & skf21("7","3","5","7","2","2","2","1") = "6"
    & skf21("7","3","5","7","2","2","3","1") = "6"
    & skf21("7","3","5","7","2","2","4","1") = "6"
    & skf21("7","3","5","7","2","2","5","1") = "6"
    & skf21("7","3","5","7","2","2","6","1") = "6"
    & skf21("7","3","5","7","2","2","7","1") = "6"
    & skf21("7","3","5","7","2","3","1","1") = "6"
    & skf21("7","3","5","7","2","3","2","1") = "6"
    & skf21("7","3","5","7","2","3","3","1") = "6"
    & skf21("7","3","5","7","2","3","4","1") = "6"
    & skf21("7","3","5","7","2","3","5","1") = "6"
    & skf21("7","3","5","7","2","3","6","1") = "6"
    & skf21("7","3","5","7","2","3","7","1") = "6"
    & skf21("7","3","5","7","2","4","1","1") = "6"
    & skf21("7","3","5","7","2","4","2","1") = "6"
    & skf21("7","3","5","7","2","4","3","1") = "6"
    & skf21("7","3","5","7","2","4","4","1") = "6"
    & skf21("7","3","5","7","2","4","5","1") = "6"
    & skf21("7","3","5","7","2","4","6","1") = "6"
    & skf21("7","3","5","7","2","4","7","1") = "6"
    & skf21("7","3","5","7","2","5","1","1") = "6"
    & skf21("7","3","5","7","2","5","2","1") = "6"
    & skf21("7","3","5","7","2","5","3","1") = "6"
    & skf21("7","3","5","7","2","5","4","1") = "6"
    & skf21("7","3","5","7","2","5","5","1") = "6"
    & skf21("7","3","5","7","2","5","6","1") = "6"
    & skf21("7","3","5","7","2","5","7","1") = "6"
    & skf21("7","3","5","7","2","6","1","1") = "6"
    & skf21("7","3","5","7","2","6","2","1") = "6"
    & skf21("7","3","5","7","2","6","3","1") = "6"
    & skf21("7","3","5","7","2","6","4","1") = "6"
    & skf21("7","3","5","7","2","6","5","1") = "6"
    & skf21("7","3","5","7","2","6","6","1") = "6"
    & skf21("7","3","5","7","2","6","7","1") = "6"
    & skf21("7","3","5","7","2","7","1","1") = "6"
    & skf21("7","3","5","7","2","7","2","1") = "6"
    & skf21("7","3","5","7","2","7","3","1") = "6"
    & skf21("7","3","5","7","2","7","4","1") = "6"
    & skf21("7","3","5","7","2","7","5","1") = "6"
    & skf21("7","3","5","7","2","7","6","1") = "6"
    & skf21("7","3","5","7","2","7","7","1") = "6"
    & skf21("7","3","5","7","3","1","1","1") = "6"
    & skf21("7","3","5","7","3","1","2","1") = "6"
    & skf21("7","3","5","7","3","1","3","1") = "6"
    & skf21("7","3","5","7","3","1","4","1") = "6"
    & skf21("7","3","5","7","3","1","5","1") = "6"
    & skf21("7","3","5","7","3","1","6","1") = "6"
    & skf21("7","3","5","7","3","1","7","1") = "6"
    & skf21("7","3","5","7","3","2","1","1") = "6"
    & skf21("7","3","5","7","3","2","2","1") = "6"
    & skf21("7","3","5","7","3","2","3","1") = "6"
    & skf21("7","3","5","7","3","2","4","1") = "6"
    & skf21("7","3","5","7","3","2","5","1") = "6"
    & skf21("7","3","5","7","3","2","6","1") = "6"
    & skf21("7","3","5","7","3","2","7","1") = "6"
    & skf21("7","3","5","7","3","3","1","1") = "6"
    & skf21("7","3","5","7","3","3","2","1") = "6"
    & skf21("7","3","5","7","3","3","3","1") = "6"
    & skf21("7","3","5","7","3","3","4","1") = "6"
    & skf21("7","3","5","7","3","3","5","1") = "6"
    & skf21("7","3","5","7","3","3","6","1") = "6"
    & skf21("7","3","5","7","3","3","7","1") = "6"
    & skf21("7","3","5","7","3","4","1","1") = "6"
    & skf21("7","3","5","7","3","4","2","1") = "6"
    & skf21("7","3","5","7","3","4","3","1") = "6"
    & skf21("7","3","5","7","3","4","4","1") = "6"
    & skf21("7","3","5","7","3","4","5","1") = "6"
    & skf21("7","3","5","7","3","4","6","1") = "6"
    & skf21("7","3","5","7","3","4","7","1") = "6"
    & skf21("7","3","5","7","3","5","1","1") = "6"
    & skf21("7","3","5","7","3","5","2","1") = "6"
    & skf21("7","3","5","7","3","5","3","1") = "6"
    & skf21("7","3","5","7","3","5","4","1") = "6"
    & skf21("7","3","5","7","3","5","5","1") = "6"
    & skf21("7","3","5","7","3","5","6","1") = "6"
    & skf21("7","3","5","7","3","5","7","1") = "6"
    & skf21("7","3","5","7","3","6","1","1") = "6"
    & skf21("7","3","5","7","3","6","2","1") = "6"
    & skf21("7","3","5","7","3","6","3","1") = "6"
    & skf21("7","3","5","7","3","6","4","1") = "6"
    & skf21("7","3","5","7","3","6","5","1") = "6"
    & skf21("7","3","5","7","3","6","6","1") = "6"
    & skf21("7","3","5","7","3","6","7","1") = "6"
    & skf21("7","3","5","7","3","7","1","1") = "6"
    & skf21("7","3","5","7","3","7","2","1") = "6"
    & skf21("7","3","5","7","3","7","3","1") = "6"
    & skf21("7","3","5","7","3","7","4","1") = "6"
    & skf21("7","3","5","7","3","7","5","1") = "6"
    & skf21("7","3","5","7","3","7","6","1") = "6"
    & skf21("7","3","5","7","3","7","7","1") = "6"
    & skf21("7","3","5","7","4","1","1","1") = "6"
    & skf21("7","3","5","7","4","1","2","1") = "6"
    & skf21("7","3","5","7","4","1","3","1") = "6"
    & skf21("7","3","5","7","4","1","4","1") = "6"
    & skf21("7","3","5","7","4","1","5","1") = "6"
    & skf21("7","3","5","7","4","1","6","1") = "6"
    & skf21("7","3","5","7","4","1","7","1") = "6"
    & skf21("7","3","5","7","4","2","1","1") = "6"
    & skf21("7","3","5","7","4","2","2","1") = "6"
    & skf21("7","3","5","7","4","2","3","1") = "6"
    & skf21("7","3","5","7","4","2","4","1") = "6"
    & skf21("7","3","5","7","4","2","5","1") = "6"
    & skf21("7","3","5","7","4","2","6","1") = "6"
    & skf21("7","3","5","7","4","2","7","1") = "6"
    & skf21("7","3","5","7","4","3","1","1") = "6"
    & skf21("7","3","5","7","4","3","2","1") = "6"
    & skf21("7","3","5","7","4","3","3","1") = "6"
    & skf21("7","3","5","7","4","3","4","1") = "6"
    & skf21("7","3","5","7","4","3","5","1") = "6"
    & skf21("7","3","5","7","4","3","6","1") = "6"
    & skf21("7","3","5","7","4","3","7","1") = "6"
    & skf21("7","3","5","7","4","4","1","1") = "6"
    & skf21("7","3","5","7","4","4","2","1") = "6"
    & skf21("7","3","5","7","4","4","3","1") = "6"
    & skf21("7","3","5","7","4","4","4","1") = "6"
    & skf21("7","3","5","7","4","4","5","1") = "6"
    & skf21("7","3","5","7","4","4","6","1") = "6"
    & skf21("7","3","5","7","4","4","7","1") = "6"
    & skf21("7","3","5","7","4","5","1","1") = "6"
    & skf21("7","3","5","7","4","5","2","1") = "6"
    & skf21("7","3","5","7","4","5","3","1") = "6"
    & skf21("7","3","5","7","4","5","4","1") = "6"
    & skf21("7","3","5","7","4","5","5","1") = "6"
    & skf21("7","3","5","7","4","5","6","1") = "6"
    & skf21("7","3","5","7","4","5","7","1") = "6"
    & skf21("7","3","5","7","4","6","1","1") = "6"
    & skf21("7","3","5","7","4","6","2","1") = "6"
    & skf21("7","3","5","7","4","6","3","1") = "6"
    & skf21("7","3","5","7","4","6","4","1") = "6"
    & skf21("7","3","5","7","4","6","5","1") = "6"
    & skf21("7","3","5","7","4","6","6","1") = "6"
    & skf21("7","3","5","7","4","6","7","1") = "6"
    & skf21("7","3","5","7","4","7","1","1") = "6"
    & skf21("7","3","5","7","4","7","2","1") = "6"
    & skf21("7","3","5","7","4","7","3","1") = "6"
    & skf21("7","3","5","7","4","7","4","1") = "6"
    & skf21("7","3","5","7","4","7","5","1") = "6"
    & skf21("7","3","5","7","4","7","6","1") = "6"
    & skf21("7","3","5","7","4","7","7","1") = "6"
    & skf21("7","3","5","7","5","1","1","1") = "6"
    & skf21("7","3","5","7","5","1","2","1") = "6"
    & skf21("7","3","5","7","5","1","3","1") = "6"
    & skf21("7","3","5","7","5","1","4","1") = "6"
    & skf21("7","3","5","7","5","1","5","1") = "6"
    & skf21("7","3","5","7","5","1","6","1") = "6"
    & skf21("7","3","5","7","5","1","7","1") = "6"
    & skf21("7","3","5","7","5","2","1","1") = "6"
    & skf21("7","3","5","7","5","2","2","1") = "6"
    & skf21("7","3","5","7","5","2","3","1") = "6"
    & skf21("7","3","5","7","5","2","4","1") = "6"
    & skf21("7","3","5","7","5","2","5","1") = "6"
    & skf21("7","3","5","7","5","2","6","1") = "6"
    & skf21("7","3","5","7","5","2","7","1") = "6"
    & skf21("7","3","5","7","5","3","1","1") = "6"
    & skf21("7","3","5","7","5","3","2","1") = "6"
    & skf21("7","3","5","7","5","3","3","1") = "6"
    & skf21("7","3","5","7","5","3","4","1") = "6"
    & skf21("7","3","5","7","5","3","5","1") = "6"
    & skf21("7","3","5","7","5","3","6","1") = "6"
    & skf21("7","3","5","7","5","3","7","1") = "6"
    & skf21("7","3","5","7","5","4","1","1") = "6"
    & skf21("7","3","5","7","5","4","2","1") = "6"
    & skf21("7","3","5","7","5","4","3","1") = "6"
    & skf21("7","3","5","7","5","4","4","1") = "6"
    & skf21("7","3","5","7","5","4","5","1") = "6"
    & skf21("7","3","5","7","5","4","6","1") = "6"
    & skf21("7","3","5","7","5","4","7","1") = "6"
    & skf21("7","3","5","7","5","5","1","1") = "6"
    & skf21("7","3","5","7","5","5","2","1") = "6"
    & skf21("7","3","5","7","5","5","3","1") = "6"
    & skf21("7","3","5","7","5","5","4","1") = "6"
    & skf21("7","3","5","7","5","5","5","1") = "6"
    & skf21("7","3","5","7","5","5","6","1") = "6"
    & skf21("7","3","5","7","5","5","7","1") = "6"
    & skf21("7","3","5","7","5","6","1","1") = "6"
    & skf21("7","3","5","7","5","6","2","1") = "6"
    & skf21("7","3","5","7","5","6","3","1") = "6"
    & skf21("7","3","5","7","5","6","4","1") = "6"
    & skf21("7","3","5","7","5","6","5","1") = "6"
    & skf21("7","3","5","7","5","6","6","1") = "6"
    & skf21("7","3","5","7","5","6","7","1") = "6"
    & skf21("7","3","5","7","5","7","1","1") = "6"
    & skf21("7","3","5","7","5","7","2","1") = "6"
    & skf21("7","3","5","7","5","7","3","1") = "6"
    & skf21("7","3","5","7","5","7","4","1") = "6"
    & skf21("7","3","5","7","5","7","5","1") = "6"
    & skf21("7","3","5","7","5","7","6","1") = "6"
    & skf21("7","3","5","7","5","7","7","1") = "6"
    & skf21("7","3","5","7","6","1","1","1") = "6"
    & skf21("7","3","5","7","6","1","2","1") = "6"
    & skf21("7","3","5","7","6","1","3","1") = "6"
    & skf21("7","3","5","7","6","1","4","1") = "6"
    & skf21("7","3","5","7","6","1","5","1") = "6"
    & skf21("7","3","5","7","6","1","6","1") = "6"
    & skf21("7","3","5","7","6","1","7","1") = "6"
    & skf21("7","3","5","7","6","2","1","1") = "6"
    & skf21("7","3","5","7","6","2","2","1") = "6"
    & skf21("7","3","5","7","6","2","3","1") = "6"
    & skf21("7","3","5","7","6","2","4","1") = "6"
    & skf21("7","3","5","7","6","2","5","1") = "6"
    & skf21("7","3","5","7","6","2","6","1") = "6"
    & skf21("7","3","5","7","6","2","7","1") = "6"
    & skf21("7","3","5","7","6","3","1","1") = "6"
    & skf21("7","3","5","7","6","3","2","1") = "6"
    & skf21("7","3","5","7","6","3","3","1") = "6"
    & skf21("7","3","5","7","6","3","4","1") = "6"
    & skf21("7","3","5","7","6","3","5","1") = "6"
    & skf21("7","3","5","7","6","3","6","1") = "6"
    & skf21("7","3","5","7","6","3","7","1") = "6"
    & skf21("7","3","5","7","6","4","1","1") = "6"
    & skf21("7","3","5","7","6","4","2","1") = "6"
    & skf21("7","3","5","7","6","4","3","1") = "6"
    & skf21("7","3","5","7","6","4","4","1") = "6"
    & skf21("7","3","5","7","6","4","5","1") = "6"
    & skf21("7","3","5","7","6","4","6","1") = "6"
    & skf21("7","3","5","7","6","4","7","1") = "6"
    & skf21("7","3","5","7","6","5","1","1") = "6"
    & skf21("7","3","5","7","6","5","2","1") = "6"
    & skf21("7","3","5","7","6","5","3","1") = "6"
    & skf21("7","3","5","7","6","5","4","1") = "6"
    & skf21("7","3","5","7","6","5","5","1") = "6"
    & skf21("7","3","5","7","6","5","6","1") = "6"
    & skf21("7","3","5","7","6","5","7","1") = "6"
    & skf21("7","3","5","7","6","6","1","1") = "6"
    & skf21("7","3","5","7","6","6","2","1") = "6"
    & skf21("7","3","5","7","6","6","3","1") = "6"
    & skf21("7","3","5","7","6","6","4","1") = "6"
    & skf21("7","3","5","7","6","6","5","1") = "6"
    & skf21("7","3","5","7","6","6","6","1") = "6"
    & skf21("7","3","5","7","6","6","7","1") = "6"
    & skf21("7","3","5","7","6","7","1","1") = "6"
    & skf21("7","3","5","7","6","7","2","1") = "6"
    & skf21("7","3","5","7","6","7","3","1") = "6"
    & skf21("7","3","5","7","6","7","4","1") = "6"
    & skf21("7","3","5","7","6","7","5","1") = "6"
    & skf21("7","3","5","7","6","7","6","1") = "6"
    & skf21("7","3","5","7","6","7","7","1") = "6"
    & skf21("7","3","5","7","7","1","1","1") = "6"
    & skf21("7","3","5","7","7","1","2","1") = "6"
    & skf21("7","3","5","7","7","1","3","1") = "6"
    & skf21("7","3","5","7","7","1","4","1") = "6"
    & skf21("7","3","5","7","7","1","5","1") = "6"
    & skf21("7","3","5","7","7","1","6","1") = "6"
    & skf21("7","3","5","7","7","1","7","1") = "6"
    & skf21("7","3","5","7","7","2","1","1") = "6"
    & skf21("7","3","5","7","7","2","2","1") = "6"
    & skf21("7","3","5","7","7","2","3","1") = "6"
    & skf21("7","3","5","7","7","2","4","1") = "6"
    & skf21("7","3","5","7","7","2","5","1") = "6"
    & skf21("7","3","5","7","7","2","6","1") = "6"
    & skf21("7","3","5","7","7","2","7","1") = "6"
    & skf21("7","3","5","7","7","3","1","1") = "6"
    & skf21("7","3","5","7","7","3","2","1") = "6"
    & skf21("7","3","5","7","7","3","3","1") = "6"
    & skf21("7","3","5","7","7","3","4","1") = "6"
    & skf21("7","3","5","7","7","3","5","1") = "6"
    & skf21("7","3","5","7","7","3","6","1") = "6"
    & skf21("7","3","5","7","7","3","7","1") = "6"
    & skf21("7","3","5","7","7","4","1","1") = "6"
    & skf21("7","3","5","7","7","4","2","1") = "6"
    & skf21("7","3","5","7","7","4","3","1") = "6"
    & skf21("7","3","5","7","7","4","4","1") = "6"
    & skf21("7","3","5","7","7","4","5","1") = "6"
    & skf21("7","3","5","7","7","4","6","1") = "6"
    & skf21("7","3","5","7","7","4","7","1") = "6"
    & skf21("7","3","5","7","7","5","1","1") = "6"
    & skf21("7","3","5","7","7","5","2","1") = "6"
    & skf21("7","3","5","7","7","5","3","1") = "6"
    & skf21("7","3","5","7","7","5","4","1") = "6"
    & skf21("7","3","5","7","7","5","5","1") = "6"
    & skf21("7","3","5","7","7","5","6","1") = "6"
    & skf21("7","3","5","7","7","5","7","1") = "6"
    & skf21("7","3","5","7","7","6","1","1") = "6"
    & skf21("7","3","5","7","7","6","2","1") = "6"
    & skf21("7","3","5","7","7","6","3","1") = "6"
    & skf21("7","3","5","7","7","6","4","1") = "6"
    & skf21("7","3","5","7","7","6","5","1") = "6"
    & skf21("7","3","5","7","7","6","6","1") = "6"
    & skf21("7","3","5","7","7","6","7","1") = "6"
    & skf21("7","3","5","7","7","7","1","1") = "6"
    & skf21("7","3","5","7","7","7","2","1") = "6"
    & skf21("7","3","5","7","7","7","3","1") = "6"
    & skf21("7","3","5","7","7","7","4","1") = "6"
    & skf21("7","3","5","7","7","7","5","1") = "6"
    & skf21("7","3","5","7","7","7","6","1") = "6"
    & skf21("7","3","5","7","7","7","7","1") = "6"
    & skf21("7","3","6","1","1","1","1","1") = "6"
    & skf21("7","3","6","1","1","1","2","1") = "6"
    & skf21("7","3","6","1","1","1","3","1") = "6"
    & skf21("7","3","6","1","1","1","4","1") = "6"
    & skf21("7","3","6","1","1","1","5","1") = "6"
    & skf21("7","3","6","1","1","1","6","1") = "6"
    & skf21("7","3","6","1","1","1","7","1") = "6"
    & skf21("7","3","6","1","1","2","1","1") = "6"
    & skf21("7","3","6","1","1","2","2","1") = "6"
    & skf21("7","3","6","1","1","2","3","1") = "6"
    & skf21("7","3","6","1","1","2","4","1") = "6"
    & skf21("7","3","6","1","1","2","5","1") = "6"
    & skf21("7","3","6","1","1","2","6","1") = "6"
    & skf21("7","3","6","1","1","2","7","1") = "6"
    & skf21("7","3","6","1","1","3","1","1") = "6"
    & skf21("7","3","6","1","1","3","2","1") = "6"
    & skf21("7","3","6","1","1","3","3","1") = "6"
    & skf21("7","3","6","1","1","3","4","1") = "6"
    & skf21("7","3","6","1","1","3","5","1") = "6"
    & skf21("7","3","6","1","1","3","6","1") = "6"
    & skf21("7","3","6","1","1","3","7","1") = "6"
    & skf21("7","3","6","1","1","4","1","1") = "6"
    & skf21("7","3","6","1","1","4","2","1") = "6"
    & skf21("7","3","6","1","1","4","3","1") = "6"
    & skf21("7","3","6","1","1","4","4","1") = "6"
    & skf21("7","3","6","1","1","4","5","1") = "6"
    & skf21("7","3","6","1","1","4","6","1") = "6"
    & skf21("7","3","6","1","1","4","7","1") = "6"
    & skf21("7","3","6","1","1","5","1","1") = "6"
    & skf21("7","3","6","1","1","5","2","1") = "6"
    & skf21("7","3","6","1","1","5","3","1") = "6"
    & skf21("7","3","6","1","1","5","4","1") = "6"
    & skf21("7","3","6","1","1","5","5","1") = "6"
    & skf21("7","3","6","1","1","5","6","1") = "6"
    & skf21("7","3","6","1","1","5","7","1") = "6"
    & skf21("7","3","6","1","1","6","1","1") = "6"
    & skf21("7","3","6","1","1","6","2","1") = "6"
    & skf21("7","3","6","1","1","6","3","1") = "6"
    & skf21("7","3","6","1","1","6","4","1") = "6"
    & skf21("7","3","6","1","1","6","5","1") = "6"
    & skf21("7","3","6","1","1","6","6","1") = "6"
    & skf21("7","3","6","1","1","6","7","1") = "6"
    & skf21("7","3","6","1","1","7","1","1") = "6"
    & skf21("7","3","6","1","1","7","2","1") = "6"
    & skf21("7","3","6","1","1","7","3","1") = "6"
    & skf21("7","3","6","1","1","7","4","1") = "6"
    & skf21("7","3","6","1","1","7","5","1") = "6"
    & skf21("7","3","6","1","1","7","6","1") = "6"
    & skf21("7","3","6","1","1","7","7","1") = "6"
    & skf21("7","3","6","1","2","1","1","1") = "6"
    & skf21("7","3","6","1","2","1","2","1") = "6"
    & skf21("7","3","6","1","2","1","3","1") = "6"
    & skf21("7","3","6","1","2","1","4","1") = "6"
    & skf21("7","3","6","1","2","1","5","1") = "6"
    & skf21("7","3","6","1","2","1","6","1") = "6"
    & skf21("7","3","6","1","2","1","7","1") = "6"
    & skf21("7","3","6","1","2","2","1","1") = "6"
    & skf21("7","3","6","1","2","2","2","1") = "6"
    & skf21("7","3","6","1","2","2","3","1") = "6"
    & skf21("7","3","6","1","2","2","4","1") = "6"
    & skf21("7","3","6","1","2","2","5","1") = "6"
    & skf21("7","3","6","1","2","2","6","1") = "6"
    & skf21("7","3","6","1","2","2","7","1") = "6"
    & skf21("7","3","6","1","2","3","1","1") = "6"
    & skf21("7","3","6","1","2","3","2","1") = "6"
    & skf21("7","3","6","1","2","3","3","1") = "6"
    & skf21("7","3","6","1","2","3","4","1") = "6"
    & skf21("7","3","6","1","2","3","5","1") = "6"
    & skf21("7","3","6","1","2","3","6","1") = "6"
    & skf21("7","3","6","1","2","3","7","1") = "6"
    & skf21("7","3","6","1","2","4","1","1") = "6"
    & skf21("7","3","6","1","2","4","2","1") = "6"
    & skf21("7","3","6","1","2","4","3","1") = "6"
    & skf21("7","3","6","1","2","4","4","1") = "6"
    & skf21("7","3","6","1","2","4","5","1") = "6"
    & skf21("7","3","6","1","2","4","6","1") = "6"
    & skf21("7","3","6","1","2","4","7","1") = "6"
    & skf21("7","3","6","1","2","5","1","1") = "6"
    & skf21("7","3","6","1","2","5","2","1") = "6"
    & skf21("7","3","6","1","2","5","3","1") = "6"
    & skf21("7","3","6","1","2","5","4","1") = "6"
    & skf21("7","3","6","1","2","5","5","1") = "6"
    & skf21("7","3","6","1","2","5","6","1") = "6"
    & skf21("7","3","6","1","2","5","7","1") = "6"
    & skf21("7","3","6","1","2","6","1","1") = "6"
    & skf21("7","3","6","1","2","6","2","1") = "6"
    & skf21("7","3","6","1","2","6","3","1") = "6"
    & skf21("7","3","6","1","2","6","4","1") = "6"
    & skf21("7","3","6","1","2","6","5","1") = "6"
    & skf21("7","3","6","1","2","6","6","1") = "6"
    & skf21("7","3","6","1","2","6","7","1") = "6"
    & skf21("7","3","6","1","2","7","1","1") = "6"
    & skf21("7","3","6","1","2","7","2","1") = "6"
    & skf21("7","3","6","1","2","7","3","1") = "6"
    & skf21("7","3","6","1","2","7","4","1") = "6"
    & skf21("7","3","6","1","2","7","5","1") = "6"
    & skf21("7","3","6","1","2","7","6","1") = "6"
    & skf21("7","3","6","1","2","7","7","1") = "6"
    & skf21("7","3","6","1","3","1","1","1") = "6"
    & skf21("7","3","6","1","3","1","2","1") = "6"
    & skf21("7","3","6","1","3","1","3","1") = "6"
    & skf21("7","3","6","1","3","1","4","1") = "6"
    & skf21("7","3","6","1","3","1","5","1") = "6"
    & skf21("7","3","6","1","3","1","6","1") = "6"
    & skf21("7","3","6","1","3","1","7","1") = "6"
    & skf21("7","3","6","1","3","2","1","1") = "6"
    & skf21("7","3","6","1","3","2","2","1") = "6"
    & skf21("7","3","6","1","3","2","3","1") = "6"
    & skf21("7","3","6","1","3","2","4","1") = "6"
    & skf21("7","3","6","1","3","2","5","1") = "6"
    & skf21("7","3","6","1","3","2","6","1") = "6"
    & skf21("7","3","6","1","3","2","7","1") = "6"
    & skf21("7","3","6","1","3","3","1","1") = "6"
    & skf21("7","3","6","1","3","3","2","1") = "6"
    & skf21("7","3","6","1","3","3","3","1") = "6"
    & skf21("7","3","6","1","3","3","4","1") = "6"
    & skf21("7","3","6","1","3","3","5","1") = "6"
    & skf21("7","3","6","1","3","3","6","1") = "6"
    & skf21("7","3","6","1","3","3","7","1") = "6"
    & skf21("7","3","6","1","3","4","1","1") = "6"
    & skf21("7","3","6","1","3","4","2","1") = "6"
    & skf21("7","3","6","1","3","4","3","1") = "6"
    & skf21("7","3","6","1","3","4","4","1") = "6"
    & skf21("7","3","6","1","3","4","5","1") = "6"
    & skf21("7","3","6","1","3","4","6","1") = "6"
    & skf21("7","3","6","1","3","4","7","1") = "6"
    & skf21("7","3","6","1","3","5","1","1") = "6"
    & skf21("7","3","6","1","3","5","2","1") = "6"
    & skf21("7","3","6","1","3","5","3","1") = "6"
    & skf21("7","3","6","1","3","5","4","1") = "6"
    & skf21("7","3","6","1","3","5","5","1") = "6"
    & skf21("7","3","6","1","3","5","6","1") = "6"
    & skf21("7","3","6","1","3","5","7","1") = "6"
    & skf21("7","3","6","1","3","6","1","1") = "6"
    & skf21("7","3","6","1","3","6","2","1") = "6"
    & skf21("7","3","6","1","3","6","3","1") = "6"
    & skf21("7","3","6","1","3","6","4","1") = "6"
    & skf21("7","3","6","1","3","6","5","1") = "6"
    & skf21("7","3","6","1","3","6","6","1") = "6"
    & skf21("7","3","6","1","3","6","7","1") = "6"
    & skf21("7","3","6","1","3","7","1","1") = "6"
    & skf21("7","3","6","1","3","7","2","1") = "6"
    & skf21("7","3","6","1","3","7","3","1") = "6"
    & skf21("7","3","6","1","3","7","4","1") = "6"
    & skf21("7","3","6","1","3","7","5","1") = "6"
    & skf21("7","3","6","1","3","7","6","1") = "6"
    & skf21("7","3","6","1","3","7","7","1") = "6"
    & skf21("7","3","6","1","4","1","1","1") = "6"
    & skf21("7","3","6","1","4","1","2","1") = "6"
    & skf21("7","3","6","1","4","1","3","1") = "6"
    & skf21("7","3","6","1","4","1","4","1") = "6"
    & skf21("7","3","6","1","4","1","5","1") = "6"
    & skf21("7","3","6","1","4","1","6","1") = "6"
    & skf21("7","3","6","1","4","1","7","1") = "6"
    & skf21("7","3","6","1","4","2","1","1") = "6"
    & skf21("7","3","6","1","4","2","2","1") = "6"
    & skf21("7","3","6","1","4","2","3","1") = "6"
    & skf21("7","3","6","1","4","2","4","1") = "6"
    & skf21("7","3","6","1","4","2","5","1") = "6"
    & skf21("7","3","6","1","4","2","6","1") = "6"
    & skf21("7","3","6","1","4","2","7","1") = "6"
    & skf21("7","3","6","1","4","3","1","1") = "6"
    & skf21("7","3","6","1","4","3","2","1") = "6"
    & skf21("7","3","6","1","4","3","3","1") = "6"
    & skf21("7","3","6","1","4","3","4","1") = "6"
    & skf21("7","3","6","1","4","3","5","1") = "6"
    & skf21("7","3","6","1","4","3","6","1") = "6"
    & skf21("7","3","6","1","4","3","7","1") = "6"
    & skf21("7","3","6","1","4","4","1","1") = "6"
    & skf21("7","3","6","1","4","4","2","1") = "6"
    & skf21("7","3","6","1","4","4","3","1") = "6"
    & skf21("7","3","6","1","4","4","4","1") = "6"
    & skf21("7","3","6","1","4","4","5","1") = "6"
    & skf21("7","3","6","1","4","4","6","1") = "6"
    & skf21("7","3","6","1","4","4","7","1") = "6"
    & skf21("7","3","6","1","4","5","1","1") = "6"
    & skf21("7","3","6","1","4","5","2","1") = "6"
    & skf21("7","3","6","1","4","5","3","1") = "6"
    & skf21("7","3","6","1","4","5","4","1") = "6"
    & skf21("7","3","6","1","4","5","5","1") = "6"
    & skf21("7","3","6","1","4","5","6","1") = "6"
    & skf21("7","3","6","1","4","5","7","1") = "6"
    & skf21("7","3","6","1","4","6","1","1") = "6"
    & skf21("7","3","6","1","4","6","2","1") = "6"
    & skf21("7","3","6","1","4","6","3","1") = "6"
    & skf21("7","3","6","1","4","6","4","1") = "6"
    & skf21("7","3","6","1","4","6","5","1") = "6"
    & skf21("7","3","6","1","4","6","6","1") = "6"
    & skf21("7","3","6","1","4","6","7","1") = "6"
    & skf21("7","3","6","1","4","7","1","1") = "6"
    & skf21("7","3","6","1","4","7","2","1") = "6"
    & skf21("7","3","6","1","4","7","3","1") = "6"
    & skf21("7","3","6","1","4","7","4","1") = "6"
    & skf21("7","3","6","1","4","7","5","1") = "6"
    & skf21("7","3","6","1","4","7","6","1") = "6"
    & skf21("7","3","6","1","4","7","7","1") = "6"
    & skf21("7","3","6","1","5","1","1","1") = "6"
    & skf21("7","3","6","1","5","1","2","1") = "6"
    & skf21("7","3","6","1","5","1","3","1") = "6"
    & skf21("7","3","6","1","5","1","4","1") = "6"
    & skf21("7","3","6","1","5","1","5","1") = "6"
    & skf21("7","3","6","1","5","1","6","1") = "6"
    & skf21("7","3","6","1","5","1","7","1") = "6"
    & skf21("7","3","6","1","5","2","1","1") = "6"
    & skf21("7","3","6","1","5","2","2","1") = "6"
    & skf21("7","3","6","1","5","2","3","1") = "6"
    & skf21("7","3","6","1","5","2","4","1") = "6"
    & skf21("7","3","6","1","5","2","5","1") = "6"
    & skf21("7","3","6","1","5","2","6","1") = "6"
    & skf21("7","3","6","1","5","2","7","1") = "6"
    & skf21("7","3","6","1","5","3","1","1") = "6"
    & skf21("7","3","6","1","5","3","2","1") = "6"
    & skf21("7","3","6","1","5","3","3","1") = "6"
    & skf21("7","3","6","1","5","3","4","1") = "6"
    & skf21("7","3","6","1","5","3","5","1") = "6"
    & skf21("7","3","6","1","5","3","6","1") = "6"
    & skf21("7","3","6","1","5","3","7","1") = "6"
    & skf21("7","3","6","1","5","4","1","1") = "6"
    & skf21("7","3","6","1","5","4","2","1") = "6"
    & skf21("7","3","6","1","5","4","3","1") = "6"
    & skf21("7","3","6","1","5","4","4","1") = "6"
    & skf21("7","3","6","1","5","4","5","1") = "6"
    & skf21("7","3","6","1","5","4","6","1") = "6"
    & skf21("7","3","6","1","5","4","7","1") = "6"
    & skf21("7","3","6","1","5","5","1","1") = "6"
    & skf21("7","3","6","1","5","5","2","1") = "6"
    & skf21("7","3","6","1","5","5","3","1") = "6"
    & skf21("7","3","6","1","5","5","4","1") = "6"
    & skf21("7","3","6","1","5","5","5","1") = "6"
    & skf21("7","3","6","1","5","5","6","1") = "6"
    & skf21("7","3","6","1","5","5","7","1") = "6"
    & skf21("7","3","6","1","5","6","1","1") = "6"
    & skf21("7","3","6","1","5","6","2","1") = "6"
    & skf21("7","3","6","1","5","6","3","1") = "6"
    & skf21("7","3","6","1","5","6","4","1") = "6"
    & skf21("7","3","6","1","5","6","5","1") = "6"
    & skf21("7","3","6","1","5","6","6","1") = "6"
    & skf21("7","3","6","1","5","6","7","1") = "6"
    & skf21("7","3","6","1","5","7","1","1") = "6"
    & skf21("7","3","6","1","5","7","2","1") = "6"
    & skf21("7","3","6","1","5","7","3","1") = "6"
    & skf21("7","3","6","1","5","7","4","1") = "6"
    & skf21("7","3","6","1","5","7","5","1") = "6"
    & skf21("7","3","6","1","5","7","6","1") = "6"
    & skf21("7","3","6","1","5","7","7","1") = "6"
    & skf21("7","3","6","1","6","1","1","1") = "6"
    & skf21("7","3","6","1","6","1","2","1") = "6"
    & skf21("7","3","6","1","6","1","3","1") = "6"
    & skf21("7","3","6","1","6","1","4","1") = "6"
    & skf21("7","3","6","1","6","1","5","1") = "6"
    & skf21("7","3","6","1","6","1","6","1") = "6"
    & skf21("7","3","6","1","6","1","7","1") = "6"
    & skf21("7","3","6","1","6","2","1","1") = "6"
    & skf21("7","3","6","1","6","2","2","1") = "6"
    & skf21("7","3","6","1","6","2","3","1") = "6"
    & skf21("7","3","6","1","6","2","4","1") = "6"
    & skf21("7","3","6","1","6","2","5","1") = "6"
    & skf21("7","3","6","1","6","2","6","1") = "6"
    & skf21("7","3","6","1","6","2","7","1") = "6"
    & skf21("7","3","6","1","6","3","1","1") = "6"
    & skf21("7","3","6","1","6","3","2","1") = "6"
    & skf21("7","3","6","1","6","3","3","1") = "6"
    & skf21("7","3","6","1","6","3","4","1") = "6"
    & skf21("7","3","6","1","6","3","5","1") = "6"
    & skf21("7","3","6","1","6","3","6","1") = "6"
    & skf21("7","3","6","1","6","3","7","1") = "6"
    & skf21("7","3","6","1","6","4","1","1") = "6"
    & skf21("7","3","6","1","6","4","2","1") = "6"
    & skf21("7","3","6","1","6","4","3","1") = "6"
    & skf21("7","3","6","1","6","4","4","1") = "6"
    & skf21("7","3","6","1","6","4","5","1") = "6"
    & skf21("7","3","6","1","6","4","6","1") = "6"
    & skf21("7","3","6","1","6","4","7","1") = "6"
    & skf21("7","3","6","1","6","5","1","1") = "6"
    & skf21("7","3","6","1","6","5","2","1") = "6"
    & skf21("7","3","6","1","6","5","3","1") = "6"
    & skf21("7","3","6","1","6","5","4","1") = "6"
    & skf21("7","3","6","1","6","5","5","1") = "6"
    & skf21("7","3","6","1","6","5","6","1") = "6"
    & skf21("7","3","6","1","6","5","7","1") = "6"
    & skf21("7","3","6","1","6","6","1","1") = "6"
    & skf21("7","3","6","1","6","6","2","1") = "6"
    & skf21("7","3","6","1","6","6","3","1") = "6"
    & skf21("7","3","6","1","6","6","4","1") = "6"
    & skf21("7","3","6","1","6","6","5","1") = "6"
    & skf21("7","3","6","1","6","6","6","1") = "6"
    & skf21("7","3","6","1","6","6","7","1") = "6"
    & skf21("7","3","6","1","6","7","1","1") = "6"
    & skf21("7","3","6","1","6","7","2","1") = "6"
    & skf21("7","3","6","1","6","7","3","1") = "6"
    & skf21("7","3","6","1","6","7","4","1") = "6"
    & skf21("7","3","6","1","6","7","5","1") = "6"
    & skf21("7","3","6","1","6","7","6","1") = "6"
    & skf21("7","3","6","1","6","7","7","1") = "6"
    & skf21("7","3","6","1","7","1","1","1") = "6"
    & skf21("7","3","6","1","7","1","2","1") = "6"
    & skf21("7","3","6","1","7","1","3","1") = "6"
    & skf21("7","3","6","1","7","1","4","1") = "6"
    & skf21("7","3","6","1","7","1","5","1") = "6"
    & skf21("7","3","6","1","7","1","6","1") = "6"
    & skf21("7","3","6","1","7","1","7","1") = "6"
    & skf21("7","3","6","1","7","2","1","1") = "6"
    & skf21("7","3","6","1","7","2","2","1") = "6"
    & skf21("7","3","6","1","7","2","3","1") = "6"
    & skf21("7","3","6","1","7","2","4","1") = "6"
    & skf21("7","3","6","1","7","2","5","1") = "6"
    & skf21("7","3","6","1","7","2","6","1") = "6"
    & skf21("7","3","6","1","7","2","7","1") = "6"
    & skf21("7","3","6","1","7","3","1","1") = "6"
    & skf21("7","3","6","1","7","3","2","1") = "6"
    & skf21("7","3","6","1","7","3","3","1") = "6"
    & skf21("7","3","6","1","7","3","4","1") = "6"
    & skf21("7","3","6","1","7","3","5","1") = "6"
    & skf21("7","3","6","1","7","3","6","1") = "6"
    & skf21("7","3","6","1","7","3","7","1") = "6"
    & skf21("7","3","6","1","7","4","1","1") = "6"
    & skf21("7","3","6","1","7","4","2","1") = "6"
    & skf21("7","3","6","1","7","4","3","1") = "6"
    & skf21("7","3","6","1","7","4","4","1") = "6"
    & skf21("7","3","6","1","7","4","5","1") = "6"
    & skf21("7","3","6","1","7","4","6","1") = "6"
    & skf21("7","3","6","1","7","4","7","1") = "6"
    & skf21("7","3","6","1","7","5","1","1") = "6"
    & skf21("7","3","6","1","7","5","2","1") = "6"
    & skf21("7","3","6","1","7","5","3","1") = "6"
    & skf21("7","3","6","1","7","5","4","1") = "6"
    & skf21("7","3","6","1","7","5","5","1") = "6"
    & skf21("7","3","6","1","7","5","6","1") = "6"
    & skf21("7","3","6","1","7","5","7","1") = "6"
    & skf21("7","3","6","1","7","6","1","1") = "6"
    & skf21("7","3","6","1","7","6","2","1") = "6"
    & skf21("7","3","6","1","7","6","3","1") = "6"
    & skf21("7","3","6","1","7","6","4","1") = "6"
    & skf21("7","3","6","1","7","6","5","1") = "6"
    & skf21("7","3","6","1","7","6","6","1") = "6"
    & skf21("7","3","6","1","7","6","7","1") = "6"
    & skf21("7","3","6","1","7","7","1","1") = "6"
    & skf21("7","3","6","1","7","7","2","1") = "6"
    & skf21("7","3","6","1","7","7","3","1") = "6"
    & skf21("7","3","6","1","7","7","4","1") = "6"
    & skf21("7","3","6","1","7","7","5","1") = "6"
    & skf21("7","3","6","1","7","7","6","1") = "6"
    & skf21("7","3","6","1","7","7","7","1") = "6"
    & skf21("7","3","6","2","1","1","1","1") = "6"
    & skf21("7","3","6","2","1","1","2","1") = "6"
    & skf21("7","3","6","2","1","1","3","1") = "6"
    & skf21("7","3","6","2","1","1","4","1") = "6"
    & skf21("7","3","6","2","1","1","5","1") = "6"
    & skf21("7","3","6","2","1","1","6","1") = "6"
    & skf21("7","3","6","2","1","1","7","1") = "6"
    & skf21("7","3","6","2","1","2","1","1") = "6"
    & skf21("7","3","6","2","1","2","2","1") = "6"
    & skf21("7","3","6","2","1","2","3","1") = "6"
    & skf21("7","3","6","2","1","2","4","1") = "6"
    & skf21("7","3","6","2","1","2","5","1") = "6"
    & skf21("7","3","6","2","1","2","6","1") = "6"
    & skf21("7","3","6","2","1","2","7","1") = "6"
    & skf21("7","3","6","2","1","3","1","1") = "6"
    & skf21("7","3","6","2","1","3","2","1") = "6"
    & skf21("7","3","6","2","1","3","3","1") = "6"
    & skf21("7","3","6","2","1","3","4","1") = "6"
    & skf21("7","3","6","2","1","3","5","1") = "6"
    & skf21("7","3","6","2","1","3","6","1") = "6"
    & skf21("7","3","6","2","1","3","7","1") = "6"
    & skf21("7","3","6","2","1","4","1","1") = "6"
    & skf21("7","3","6","2","1","4","2","1") = "6"
    & skf21("7","3","6","2","1","4","3","1") = "6"
    & skf21("7","3","6","2","1","4","4","1") = "6"
    & skf21("7","3","6","2","1","4","5","1") = "6"
    & skf21("7","3","6","2","1","4","6","1") = "6"
    & skf21("7","3","6","2","1","4","7","1") = "6"
    & skf21("7","3","6","2","1","5","1","1") = "6"
    & skf21("7","3","6","2","1","5","2","1") = "6"
    & skf21("7","3","6","2","1","5","3","1") = "6"
    & skf21("7","3","6","2","1","5","4","1") = "6"
    & skf21("7","3","6","2","1","5","5","1") = "6"
    & skf21("7","3","6","2","1","5","6","1") = "6"
    & skf21("7","3","6","2","1","5","7","1") = "6"
    & skf21("7","3","6","2","1","6","1","1") = "6"
    & skf21("7","3","6","2","1","6","2","1") = "6"
    & skf21("7","3","6","2","1","6","3","1") = "6"
    & skf21("7","3","6","2","1","6","4","1") = "6"
    & skf21("7","3","6","2","1","6","5","1") = "6"
    & skf21("7","3","6","2","1","6","6","1") = "6"
    & skf21("7","3","6","2","1","6","7","1") = "6"
    & skf21("7","3","6","2","1","7","1","1") = "6"
    & skf21("7","3","6","2","1","7","2","1") = "6"
    & skf21("7","3","6","2","1","7","3","1") = "6"
    & skf21("7","3","6","2","1","7","4","1") = "6"
    & skf21("7","3","6","2","1","7","5","1") = "6"
    & skf21("7","3","6","2","1","7","6","1") = "6"
    & skf21("7","3","6","2","1","7","7","1") = "6"
    & skf21("7","3","6","2","2","1","1","1") = "6"
    & skf21("7","3","6","2","2","1","2","1") = "6"
    & skf21("7","3","6","2","2","1","3","1") = "6"
    & skf21("7","3","6","2","2","1","4","1") = "6"
    & skf21("7","3","6","2","2","1","5","1") = "6"
    & skf21("7","3","6","2","2","1","6","1") = "6"
    & skf21("7","3","6","2","2","1","7","1") = "6"
    & skf21("7","3","6","2","2","2","1","1") = "6"
    & skf21("7","3","6","2","2","2","2","1") = "6"
    & skf21("7","3","6","2","2","2","3","1") = "6"
    & skf21("7","3","6","2","2","2","4","1") = "6"
    & skf21("7","3","6","2","2","2","5","1") = "6"
    & skf21("7","3","6","2","2","2","6","1") = "6"
    & skf21("7","3","6","2","2","2","7","1") = "6"
    & skf21("7","3","6","2","2","3","1","1") = "6"
    & skf21("7","3","6","2","2","3","2","1") = "6"
    & skf21("7","3","6","2","2","3","3","1") = "6"
    & skf21("7","3","6","2","2","3","4","1") = "6"
    & skf21("7","3","6","2","2","3","5","1") = "6"
    & skf21("7","3","6","2","2","3","6","1") = "6"
    & skf21("7","3","6","2","2","3","7","1") = "6"
    & skf21("7","3","6","2","2","4","1","1") = "6"
    & skf21("7","3","6","2","2","4","2","1") = "6"
    & skf21("7","3","6","2","2","4","3","1") = "6"
    & skf21("7","3","6","2","2","4","4","1") = "6"
    & skf21("7","3","6","2","2","4","5","1") = "6"
    & skf21("7","3","6","2","2","4","6","1") = "6"
    & skf21("7","3","6","2","2","4","7","1") = "6"
    & skf21("7","3","6","2","2","5","1","1") = "6"
    & skf21("7","3","6","2","2","5","2","1") = "6"
    & skf21("7","3","6","2","2","5","3","1") = "6"
    & skf21("7","3","6","2","2","5","4","1") = "6"
    & skf21("7","3","6","2","2","5","5","1") = "6"
    & skf21("7","3","6","2","2","5","6","1") = "6"
    & skf21("7","3","6","2","2","5","7","1") = "6"
    & skf21("7","3","6","2","2","6","1","1") = "6"
    & skf21("7","3","6","2","2","6","2","1") = "6"
    & skf21("7","3","6","2","2","6","3","1") = "6"
    & skf21("7","3","6","2","2","6","4","1") = "6"
    & skf21("7","3","6","2","2","6","5","1") = "6"
    & skf21("7","3","6","2","2","6","6","1") = "6"
    & skf21("7","3","6","2","2","6","7","1") = "6"
    & skf21("7","3","6","2","2","7","1","1") = "6"
    & skf21("7","3","6","2","2","7","2","1") = "6"
    & skf21("7","3","6","2","2","7","3","1") = "6"
    & skf21("7","3","6","2","2","7","4","1") = "6"
    & skf21("7","3","6","2","2","7","5","1") = "6"
    & skf21("7","3","6","2","2","7","6","1") = "6"
    & skf21("7","3","6","2","2","7","7","1") = "6"
    & skf21("7","3","6","2","3","1","1","1") = "6"
    & skf21("7","3","6","2","3","1","2","1") = "6"
    & skf21("7","3","6","2","3","1","3","1") = "6"
    & skf21("7","3","6","2","3","1","4","1") = "6"
    & skf21("7","3","6","2","3","1","5","1") = "6"
    & skf21("7","3","6","2","3","1","6","1") = "6"
    & skf21("7","3","6","2","3","1","7","1") = "6"
    & skf21("7","3","6","2","3","2","1","1") = "6"
    & skf21("7","3","6","2","3","2","2","1") = "6"
    & skf21("7","3","6","2","3","2","3","1") = "6"
    & skf21("7","3","6","2","3","2","4","1") = "6"
    & skf21("7","3","6","2","3","2","5","1") = "6"
    & skf21("7","3","6","2","3","2","6","1") = "6"
    & skf21("7","3","6","2","3","2","7","1") = "6"
    & skf21("7","3","6","2","3","3","1","1") = "6"
    & skf21("7","3","6","2","3","3","2","1") = "6"
    & skf21("7","3","6","2","3","3","3","1") = "6"
    & skf21("7","3","6","2","3","3","4","1") = "6"
    & skf21("7","3","6","2","3","3","5","1") = "6"
    & skf21("7","3","6","2","3","3","6","1") = "6"
    & skf21("7","3","6","2","3","3","7","1") = "6"
    & skf21("7","3","6","2","3","4","1","1") = "6"
    & skf21("7","3","6","2","3","4","2","1") = "6"
    & skf21("7","3","6","2","3","4","3","1") = "6"
    & skf21("7","3","6","2","3","4","4","1") = "6"
    & skf21("7","3","6","2","3","4","5","1") = "6"
    & skf21("7","3","6","2","3","4","6","1") = "6"
    & skf21("7","3","6","2","3","4","7","1") = "6"
    & skf21("7","3","6","2","3","5","1","1") = "6"
    & skf21("7","3","6","2","3","5","2","1") = "6"
    & skf21("7","3","6","2","3","5","3","1") = "6"
    & skf21("7","3","6","2","3","5","4","1") = "6"
    & skf21("7","3","6","2","3","5","5","1") = "6"
    & skf21("7","3","6","2","3","5","6","1") = "6"
    & skf21("7","3","6","2","3","5","7","1") = "6"
    & skf21("7","3","6","2","3","6","1","1") = "6"
    & skf21("7","3","6","2","3","6","2","1") = "6"
    & skf21("7","3","6","2","3","6","3","1") = "6"
    & skf21("7","3","6","2","3","6","4","1") = "6"
    & skf21("7","3","6","2","3","6","5","1") = "6"
    & skf21("7","3","6","2","3","6","6","1") = "6"
    & skf21("7","3","6","2","3","6","7","1") = "6"
    & skf21("7","3","6","2","3","7","1","1") = "6"
    & skf21("7","3","6","2","3","7","2","1") = "6"
    & skf21("7","3","6","2","3","7","3","1") = "6"
    & skf21("7","3","6","2","3","7","4","1") = "6"
    & skf21("7","3","6","2","3","7","5","1") = "6"
    & skf21("7","3","6","2","3","7","6","1") = "6"
    & skf21("7","3","6","2","3","7","7","1") = "6"
    & skf21("7","3","6","2","4","1","1","1") = "6"
    & skf21("7","3","6","2","4","1","2","1") = "6"
    & skf21("7","3","6","2","4","1","3","1") = "6"
    & skf21("7","3","6","2","4","1","4","1") = "6"
    & skf21("7","3","6","2","4","1","5","1") = "6"
    & skf21("7","3","6","2","4","1","6","1") = "6"
    & skf21("7","3","6","2","4","1","7","1") = "6"
    & skf21("7","3","6","2","4","2","1","1") = "6"
    & skf21("7","3","6","2","4","2","2","1") = "6"
    & skf21("7","3","6","2","4","2","3","1") = "6"
    & skf21("7","3","6","2","4","2","4","1") = "6"
    & skf21("7","3","6","2","4","2","5","1") = "6"
    & skf21("7","3","6","2","4","2","6","1") = "6"
    & skf21("7","3","6","2","4","2","7","1") = "6"
    & skf21("7","3","6","2","4","3","1","1") = "6"
    & skf21("7","3","6","2","4","3","2","1") = "6"
    & skf21("7","3","6","2","4","3","3","1") = "6"
    & skf21("7","3","6","2","4","3","4","1") = "6"
    & skf21("7","3","6","2","4","3","5","1") = "6"
    & skf21("7","3","6","2","4","3","6","1") = "6"
    & skf21("7","3","6","2","4","3","7","1") = "6"
    & skf21("7","3","6","2","4","4","1","1") = "6"
    & skf21("7","3","6","2","4","4","2","1") = "6"
    & skf21("7","3","6","2","4","4","3","1") = "6"
    & skf21("7","3","6","2","4","4","4","1") = "6"
    & skf21("7","3","6","2","4","4","5","1") = "6"
    & skf21("7","3","6","2","4","4","6","1") = "6"
    & skf21("7","3","6","2","4","4","7","1") = "6"
    & skf21("7","3","6","2","4","5","1","1") = "6"
    & skf21("7","3","6","2","4","5","2","1") = "6"
    & skf21("7","3","6","2","4","5","3","1") = "6"
    & skf21("7","3","6","2","4","5","4","1") = "6"
    & skf21("7","3","6","2","4","5","5","1") = "6"
    & skf21("7","3","6","2","4","5","6","1") = "6"
    & skf21("7","3","6","2","4","5","7","1") = "6"
    & skf21("7","3","6","2","4","6","1","1") = "6"
    & skf21("7","3","6","2","4","6","2","1") = "6"
    & skf21("7","3","6","2","4","6","3","1") = "6"
    & skf21("7","3","6","2","4","6","4","1") = "6"
    & skf21("7","3","6","2","4","6","5","1") = "6"
    & skf21("7","3","6","2","4","6","6","1") = "6"
    & skf21("7","3","6","2","4","6","7","1") = "6"
    & skf21("7","3","6","2","4","7","1","1") = "6"
    & skf21("7","3","6","2","4","7","2","1") = "6"
    & skf21("7","3","6","2","4","7","3","1") = "6"
    & skf21("7","3","6","2","4","7","4","1") = "6"
    & skf21("7","3","6","2","4","7","5","1") = "6"
    & skf21("7","3","6","2","4","7","6","1") = "6"
    & skf21("7","3","6","2","4","7","7","1") = "6"
    & skf21("7","3","6","2","5","1","1","1") = "6"
    & skf21("7","3","6","2","5","1","2","1") = "6"
    & skf21("7","3","6","2","5","1","3","1") = "6"
    & skf21("7","3","6","2","5","1","4","1") = "6"
    & skf21("7","3","6","2","5","1","5","1") = "6"
    & skf21("7","3","6","2","5","1","6","1") = "6"
    & skf21("7","3","6","2","5","1","7","1") = "6"
    & skf21("7","3","6","2","5","2","1","1") = "6"
    & skf21("7","3","6","2","5","2","2","1") = "6"
    & skf21("7","3","6","2","5","2","3","1") = "6"
    & skf21("7","3","6","2","5","2","4","1") = "6"
    & skf21("7","3","6","2","5","2","5","1") = "6"
    & skf21("7","3","6","2","5","2","6","1") = "6"
    & skf21("7","3","6","2","5","2","7","1") = "6"
    & skf21("7","3","6","2","5","3","1","1") = "6"
    & skf21("7","3","6","2","5","3","2","1") = "6"
    & skf21("7","3","6","2","5","3","3","1") = "6"
    & skf21("7","3","6","2","5","3","4","1") = "6"
    & skf21("7","3","6","2","5","3","5","1") = "6"
    & skf21("7","3","6","2","5","3","6","1") = "6"
    & skf21("7","3","6","2","5","3","7","1") = "6"
    & skf21("7","3","6","2","5","4","1","1") = "6"
    & skf21("7","3","6","2","5","4","2","1") = "6"
    & skf21("7","3","6","2","5","4","3","1") = "6"
    & skf21("7","3","6","2","5","4","4","1") = "6"
    & skf21("7","3","6","2","5","4","5","1") = "6"
    & skf21("7","3","6","2","5","4","6","1") = "6"
    & skf21("7","3","6","2","5","4","7","1") = "6"
    & skf21("7","3","6","2","5","5","1","1") = "6"
    & skf21("7","3","6","2","5","5","2","1") = "6"
    & skf21("7","3","6","2","5","5","3","1") = "6"
    & skf21("7","3","6","2","5","5","4","1") = "6"
    & skf21("7","3","6","2","5","5","5","1") = "6"
    & skf21("7","3","6","2","5","5","6","1") = "6"
    & skf21("7","3","6","2","5","5","7","1") = "6"
    & skf21("7","3","6","2","5","6","1","1") = "6"
    & skf21("7","3","6","2","5","6","2","1") = "6"
    & skf21("7","3","6","2","5","6","3","1") = "6"
    & skf21("7","3","6","2","5","6","4","1") = "6"
    & skf21("7","3","6","2","5","6","5","1") = "6"
    & skf21("7","3","6","2","5","6","6","1") = "6"
    & skf21("7","3","6","2","5","6","7","1") = "6"
    & skf21("7","3","6","2","5","7","1","1") = "6"
    & skf21("7","3","6","2","5","7","2","1") = "6"
    & skf21("7","3","6","2","5","7","3","1") = "6"
    & skf21("7","3","6","2","5","7","4","1") = "6"
    & skf21("7","3","6","2","5","7","5","1") = "6"
    & skf21("7","3","6","2","5","7","6","1") = "6"
    & skf21("7","3","6","2","5","7","7","1") = "6"
    & skf21("7","3","6","2","6","1","1","1") = "6"
    & skf21("7","3","6","2","6","1","2","1") = "6"
    & skf21("7","3","6","2","6","1","3","1") = "6"
    & skf21("7","3","6","2","6","1","4","1") = "6"
    & skf21("7","3","6","2","6","1","5","1") = "6"
    & skf21("7","3","6","2","6","1","6","1") = "6"
    & skf21("7","3","6","2","6","1","7","1") = "6"
    & skf21("7","3","6","2","6","2","1","1") = "6"
    & skf21("7","3","6","2","6","2","2","1") = "6"
    & skf21("7","3","6","2","6","2","3","1") = "6"
    & skf21("7","3","6","2","6","2","4","1") = "6"
    & skf21("7","3","6","2","6","2","5","1") = "6"
    & skf21("7","3","6","2","6","2","6","1") = "6"
    & skf21("7","3","6","2","6","2","7","1") = "6"
    & skf21("7","3","6","2","6","3","1","1") = "6"
    & skf21("7","3","6","2","6","3","2","1") = "6"
    & skf21("7","3","6","2","6","3","3","1") = "6"
    & skf21("7","3","6","2","6","3","4","1") = "6"
    & skf21("7","3","6","2","6","3","5","1") = "6"
    & skf21("7","3","6","2","6","3","6","1") = "6"
    & skf21("7","3","6","2","6","3","7","1") = "6"
    & skf21("7","3","6","2","6","4","1","1") = "6"
    & skf21("7","3","6","2","6","4","2","1") = "6"
    & skf21("7","3","6","2","6","4","3","1") = "6"
    & skf21("7","3","6","2","6","4","4","1") = "6"
    & skf21("7","3","6","2","6","4","5","1") = "6"
    & skf21("7","3","6","2","6","4","6","1") = "6"
    & skf21("7","3","6","2","6","4","7","1") = "6"
    & skf21("7","3","6","2","6","5","1","1") = "6"
    & skf21("7","3","6","2","6","5","2","1") = "6"
    & skf21("7","3","6","2","6","5","3","1") = "6"
    & skf21("7","3","6","2","6","5","4","1") = "6"
    & skf21("7","3","6","2","6","5","5","1") = "6"
    & skf21("7","3","6","2","6","5","6","1") = "6"
    & skf21("7","3","6","2","6","5","7","1") = "6"
    & skf21("7","3","6","2","6","6","1","1") = "6"
    & skf21("7","3","6","2","6","6","2","1") = "6"
    & skf21("7","3","6","2","6","6","3","1") = "6"
    & skf21("7","3","6","2","6","6","4","1") = "6"
    & skf21("7","3","6","2","6","6","5","1") = "6"
    & skf21("7","3","6","2","6","6","6","1") = "6"
    & skf21("7","3","6","2","6","6","7","1") = "6"
    & skf21("7","3","6","2","6","7","1","1") = "6"
    & skf21("7","3","6","2","6","7","2","1") = "6"
    & skf21("7","3","6","2","6","7","3","1") = "6"
    & skf21("7","3","6","2","6","7","4","1") = "6"
    & skf21("7","3","6","2","6","7","5","1") = "6"
    & skf21("7","3","6","2","6","7","6","1") = "6"
    & skf21("7","3","6","2","6","7","7","1") = "6"
    & skf21("7","3","6","2","7","1","1","1") = "6"
    & skf21("7","3","6","2","7","1","2","1") = "6"
    & skf21("7","3","6","2","7","1","3","1") = "6"
    & skf21("7","3","6","2","7","1","4","1") = "6"
    & skf21("7","3","6","2","7","1","5","1") = "6"
    & skf21("7","3","6","2","7","1","6","1") = "6"
    & skf21("7","3","6","2","7","1","7","1") = "6"
    & skf21("7","3","6","2","7","2","1","1") = "6"
    & skf21("7","3","6","2","7","2","2","1") = "6"
    & skf21("7","3","6","2","7","2","3","1") = "6"
    & skf21("7","3","6","2","7","2","4","1") = "6"
    & skf21("7","3","6","2","7","2","5","1") = "6"
    & skf21("7","3","6","2","7","2","6","1") = "6"
    & skf21("7","3","6","2","7","2","7","1") = "6"
    & skf21("7","3","6","2","7","3","1","1") = "6"
    & skf21("7","3","6","2","7","3","2","1") = "6"
    & skf21("7","3","6","2","7","3","3","1") = "6"
    & skf21("7","3","6","2","7","3","4","1") = "6"
    & skf21("7","3","6","2","7","3","5","1") = "6"
    & skf21("7","3","6","2","7","3","6","1") = "6"
    & skf21("7","3","6","2","7","3","7","1") = "6"
    & skf21("7","3","6","2","7","4","1","1") = "6"
    & skf21("7","3","6","2","7","4","2","1") = "6"
    & skf21("7","3","6","2","7","4","3","1") = "6"
    & skf21("7","3","6","2","7","4","4","1") = "6"
    & skf21("7","3","6","2","7","4","5","1") = "6"
    & skf21("7","3","6","2","7","4","6","1") = "6"
    & skf21("7","3","6","2","7","4","7","1") = "6"
    & skf21("7","3","6","2","7","5","1","1") = "6"
    & skf21("7","3","6","2","7","5","2","1") = "6"
    & skf21("7","3","6","2","7","5","3","1") = "6"
    & skf21("7","3","6","2","7","5","4","1") = "6"
    & skf21("7","3","6","2","7","5","5","1") = "6"
    & skf21("7","3","6","2","7","5","6","1") = "6"
    & skf21("7","3","6","2","7","5","7","1") = "6"
    & skf21("7","3","6","2","7","6","1","1") = "6"
    & skf21("7","3","6","2","7","6","2","1") = "6"
    & skf21("7","3","6","2","7","6","3","1") = "6"
    & skf21("7","3","6","2","7","6","4","1") = "6"
    & skf21("7","3","6","2","7","6","5","1") = "6"
    & skf21("7","3","6","2","7","6","6","1") = "6"
    & skf21("7","3","6","2","7","6","7","1") = "6"
    & skf21("7","3","6","2","7","7","1","1") = "6"
    & skf21("7","3","6","2","7","7","2","1") = "6"
    & skf21("7","3","6","2","7","7","3","1") = "6"
    & skf21("7","3","6","2","7","7","4","1") = "6"
    & skf21("7","3","6","2","7","7","5","1") = "6"
    & skf21("7","3","6","2","7","7","6","1") = "6"
    & skf21("7","3","6","2","7","7","7","1") = "6"
    & skf21("7","3","6","3","1","1","1","1") = "6"
    & skf21("7","3","6","3","1","1","2","1") = "6"
    & skf21("7","3","6","3","1","1","3","1") = "6"
    & skf21("7","3","6","3","1","1","4","1") = "6"
    & skf21("7","3","6","3","1","1","5","1") = "6"
    & skf21("7","3","6","3","1","1","6","1") = "6"
    & skf21("7","3","6","3","1","1","7","1") = "6"
    & skf21("7","3","6","3","1","2","1","1") = "6"
    & skf21("7","3","6","3","1","2","2","1") = "6"
    & skf21("7","3","6","3","1","2","3","1") = "6"
    & skf21("7","3","6","3","1","2","4","1") = "6"
    & skf21("7","3","6","3","1","2","5","1") = "6"
    & skf21("7","3","6","3","1","2","6","1") = "6"
    & skf21("7","3","6","3","1","2","7","1") = "6"
    & skf21("7","3","6","3","1","3","1","1") = "6"
    & skf21("7","3","6","3","1","3","2","1") = "6"
    & skf21("7","3","6","3","1","3","3","1") = "6"
    & skf21("7","3","6","3","1","3","4","1") = "6"
    & skf21("7","3","6","3","1","3","5","1") = "6"
    & skf21("7","3","6","3","1","3","6","1") = "6"
    & skf21("7","3","6","3","1","3","7","1") = "6"
    & skf21("7","3","6","3","1","4","1","1") = "6"
    & skf21("7","3","6","3","1","4","2","1") = "6"
    & skf21("7","3","6","3","1","4","3","1") = "6"
    & skf21("7","3","6","3","1","4","4","1") = "6"
    & skf21("7","3","6","3","1","4","5","1") = "6"
    & skf21("7","3","6","3","1","4","6","1") = "6"
    & skf21("7","3","6","3","1","4","7","1") = "6"
    & skf21("7","3","6","3","1","5","1","1") = "6"
    & skf21("7","3","6","3","1","5","2","1") = "6"
    & skf21("7","3","6","3","1","5","3","1") = "6"
    & skf21("7","3","6","3","1","5","4","1") = "6"
    & skf21("7","3","6","3","1","5","5","1") = "6"
    & skf21("7","3","6","3","1","5","6","1") = "6"
    & skf21("7","3","6","3","1","5","7","1") = "6"
    & skf21("7","3","6","3","1","6","1","1") = "6"
    & skf21("7","3","6","3","1","6","2","1") = "6"
    & skf21("7","3","6","3","1","6","3","1") = "6"
    & skf21("7","3","6","3","1","6","4","1") = "6"
    & skf21("7","3","6","3","1","6","5","1") = "6"
    & skf21("7","3","6","3","1","6","6","1") = "6"
    & skf21("7","3","6","3","1","6","7","1") = "6"
    & skf21("7","3","6","3","1","7","1","1") = "6"
    & skf21("7","3","6","3","1","7","2","1") = "6"
    & skf21("7","3","6","3","1","7","3","1") = "6"
    & skf21("7","3","6","3","1","7","4","1") = "6"
    & skf21("7","3","6","3","1","7","5","1") = "6"
    & skf21("7","3","6","3","1","7","6","1") = "6"
    & skf21("7","3","6","3","1","7","7","1") = "6"
    & skf21("7","3","6","3","2","1","1","1") = "6"
    & skf21("7","3","6","3","2","1","2","1") = "6"
    & skf21("7","3","6","3","2","1","3","1") = "6"
    & skf21("7","3","6","3","2","1","4","1") = "6"
    & skf21("7","3","6","3","2","1","5","1") = "6"
    & skf21("7","3","6","3","2","1","6","1") = "6"
    & skf21("7","3","6","3","2","1","7","1") = "6"
    & skf21("7","3","6","3","2","2","1","1") = "6"
    & skf21("7","3","6","3","2","2","2","1") = "6"
    & skf21("7","3","6","3","2","2","3","1") = "6"
    & skf21("7","3","6","3","2","2","4","1") = "6"
    & skf21("7","3","6","3","2","2","5","1") = "6"
    & skf21("7","3","6","3","2","2","6","1") = "6"
    & skf21("7","3","6","3","2","2","7","1") = "6"
    & skf21("7","3","6","3","2","3","1","1") = "6"
    & skf21("7","3","6","3","2","3","2","1") = "6"
    & skf21("7","3","6","3","2","3","3","1") = "6"
    & skf21("7","3","6","3","2","3","4","1") = "6"
    & skf21("7","3","6","3","2","3","5","1") = "6"
    & skf21("7","3","6","3","2","3","6","1") = "6"
    & skf21("7","3","6","3","2","3","7","1") = "6"
    & skf21("7","3","6","3","2","4","1","1") = "6"
    & skf21("7","3","6","3","2","4","2","1") = "6"
    & skf21("7","3","6","3","2","4","3","1") = "6"
    & skf21("7","3","6","3","2","4","4","1") = "6"
    & skf21("7","3","6","3","2","4","5","1") = "6"
    & skf21("7","3","6","3","2","4","6","1") = "6"
    & skf21("7","3","6","3","2","4","7","1") = "6"
    & skf21("7","3","6","3","2","5","1","1") = "6"
    & skf21("7","3","6","3","2","5","2","1") = "6"
    & skf21("7","3","6","3","2","5","3","1") = "6"
    & skf21("7","3","6","3","2","5","4","1") = "6"
    & skf21("7","3","6","3","2","5","5","1") = "6"
    & skf21("7","3","6","3","2","5","6","1") = "6"
    & skf21("7","3","6","3","2","5","7","1") = "6"
    & skf21("7","3","6","3","2","6","1","1") = "6"
    & skf21("7","3","6","3","2","6","2","1") = "6"
    & skf21("7","3","6","3","2","6","3","1") = "6"
    & skf21("7","3","6","3","2","6","4","1") = "6"
    & skf21("7","3","6","3","2","6","5","1") = "6"
    & skf21("7","3","6","3","2","6","6","1") = "6"
    & skf21("7","3","6","3","2","6","7","1") = "6"
    & skf21("7","3","6","3","2","7","1","1") = "6"
    & skf21("7","3","6","3","2","7","2","1") = "6"
    & skf21("7","3","6","3","2","7","3","1") = "6"
    & skf21("7","3","6","3","2","7","4","1") = "6"
    & skf21("7","3","6","3","2","7","5","1") = "6"
    & skf21("7","3","6","3","2","7","6","1") = "6"
    & skf21("7","3","6","3","2","7","7","1") = "6"
    & skf21("7","3","6","3","3","1","1","1") = "6"
    & skf21("7","3","6","3","3","1","2","1") = "6"
    & skf21("7","3","6","3","3","1","3","1") = "6"
    & skf21("7","3","6","3","3","1","4","1") = "6"
    & skf21("7","3","6","3","3","1","5","1") = "6"
    & skf21("7","3","6","3","3","1","6","1") = "6"
    & skf21("7","3","6","3","3","1","7","1") = "6"
    & skf21("7","3","6","3","3","2","1","1") = "6"
    & skf21("7","3","6","3","3","2","2","1") = "6"
    & skf21("7","3","6","3","3","2","3","1") = "6"
    & skf21("7","3","6","3","3","2","4","1") = "6"
    & skf21("7","3","6","3","3","2","5","1") = "6"
    & skf21("7","3","6","3","3","2","6","1") = "6"
    & skf21("7","3","6","3","3","2","7","1") = "6"
    & skf21("7","3","6","3","3","3","1","1") = "6"
    & skf21("7","3","6","3","3","3","2","1") = "6"
    & skf21("7","3","6","3","3","3","3","1") = "6"
    & skf21("7","3","6","3","3","3","4","1") = "6"
    & skf21("7","3","6","3","3","3","5","1") = "6"
    & skf21("7","3","6","3","3","3","6","1") = "6"
    & skf21("7","3","6","3","3","3","7","1") = "6"
    & skf21("7","3","6","3","3","4","1","1") = "6"
    & skf21("7","3","6","3","3","4","2","1") = "6"
    & skf21("7","3","6","3","3","4","3","1") = "6"
    & skf21("7","3","6","3","3","4","4","1") = "6"
    & skf21("7","3","6","3","3","4","5","1") = "6"
    & skf21("7","3","6","3","3","4","6","1") = "6"
    & skf21("7","3","6","3","3","4","7","1") = "6"
    & skf21("7","3","6","3","3","5","1","1") = "6"
    & skf21("7","3","6","3","3","5","2","1") = "6"
    & skf21("7","3","6","3","3","5","3","1") = "6"
    & skf21("7","3","6","3","3","5","4","1") = "6"
    & skf21("7","3","6","3","3","5","5","1") = "6"
    & skf21("7","3","6","3","3","5","6","1") = "6"
    & skf21("7","3","6","3","3","5","7","1") = "6"
    & skf21("7","3","6","3","3","6","1","1") = "6"
    & skf21("7","3","6","3","3","6","2","1") = "6"
    & skf21("7","3","6","3","3","6","3","1") = "6"
    & skf21("7","3","6","3","3","6","4","1") = "6"
    & skf21("7","3","6","3","3","6","5","1") = "6"
    & skf21("7","3","6","3","3","6","6","1") = "6"
    & skf21("7","3","6","3","3","6","7","1") = "6"
    & skf21("7","3","6","3","3","7","1","1") = "6"
    & skf21("7","3","6","3","3","7","2","1") = "6"
    & skf21("7","3","6","3","3","7","3","1") = "6"
    & skf21("7","3","6","3","3","7","4","1") = "6"
    & skf21("7","3","6","3","3","7","5","1") = "6"
    & skf21("7","3","6","3","3","7","6","1") = "6"
    & skf21("7","3","6","3","3","7","7","1") = "6"
    & skf21("7","3","6","3","4","1","1","1") = "6"
    & skf21("7","3","6","3","4","1","2","1") = "6"
    & skf21("7","3","6","3","4","1","3","1") = "6"
    & skf21("7","3","6","3","4","1","4","1") = "6"
    & skf21("7","3","6","3","4","1","5","1") = "6"
    & skf21("7","3","6","3","4","1","6","1") = "6"
    & skf21("7","3","6","3","4","1","7","1") = "6"
    & skf21("7","3","6","3","4","2","1","1") = "6"
    & skf21("7","3","6","3","4","2","2","1") = "6"
    & skf21("7","3","6","3","4","2","3","1") = "6"
    & skf21("7","3","6","3","4","2","4","1") = "6"
    & skf21("7","3","6","3","4","2","5","1") = "6"
    & skf21("7","3","6","3","4","2","6","1") = "6"
    & skf21("7","3","6","3","4","2","7","1") = "6"
    & skf21("7","3","6","3","4","3","1","1") = "6"
    & skf21("7","3","6","3","4","3","2","1") = "6"
    & skf21("7","3","6","3","4","3","3","1") = "6"
    & skf21("7","3","6","3","4","3","4","1") = "6"
    & skf21("7","3","6","3","4","3","5","1") = "6"
    & skf21("7","3","6","3","4","3","6","1") = "6"
    & skf21("7","3","6","3","4","3","7","1") = "6"
    & skf21("7","3","6","3","4","4","1","1") = "6"
    & skf21("7","3","6","3","4","4","2","1") = "6"
    & skf21("7","3","6","3","4","4","3","1") = "6"
    & skf21("7","3","6","3","4","4","4","1") = "6"
    & skf21("7","3","6","3","4","4","5","1") = "6"
    & skf21("7","3","6","3","4","4","6","1") = "6"
    & skf21("7","3","6","3","4","4","7","1") = "6"
    & skf21("7","3","6","3","4","5","1","1") = "6"
    & skf21("7","3","6","3","4","5","2","1") = "6"
    & skf21("7","3","6","3","4","5","3","1") = "6"
    & skf21("7","3","6","3","4","5","4","1") = "6"
    & skf21("7","3","6","3","4","5","5","1") = "6"
    & skf21("7","3","6","3","4","5","6","1") = "6"
    & skf21("7","3","6","3","4","5","7","1") = "6"
    & skf21("7","3","6","3","4","6","1","1") = "6"
    & skf21("7","3","6","3","4","6","2","1") = "6"
    & skf21("7","3","6","3","4","6","3","1") = "6"
    & skf21("7","3","6","3","4","6","4","1") = "6"
    & skf21("7","3","6","3","4","6","5","1") = "6"
    & skf21("7","3","6","3","4","6","6","1") = "6"
    & skf21("7","3","6","3","4","6","7","1") = "6"
    & skf21("7","3","6","3","4","7","1","1") = "6"
    & skf21("7","3","6","3","4","7","2","1") = "6"
    & skf21("7","3","6","3","4","7","3","1") = "6"
    & skf21("7","3","6","3","4","7","4","1") = "6"
    & skf21("7","3","6","3","4","7","5","1") = "6"
    & skf21("7","3","6","3","4","7","6","1") = "6"
    & skf21("7","3","6","3","4","7","7","1") = "6"
    & skf21("7","3","6","3","5","1","1","1") = "6"
    & skf21("7","3","6","3","5","1","2","1") = "6"
    & skf21("7","3","6","3","5","1","3","1") = "6"
    & skf21("7","3","6","3","5","1","4","1") = "6"
    & skf21("7","3","6","3","5","1","5","1") = "6"
    & skf21("7","3","6","3","5","1","6","1") = "6"
    & skf21("7","3","6","3","5","1","7","1") = "6"
    & skf21("7","3","6","3","5","2","1","1") = "6"
    & skf21("7","3","6","3","5","2","2","1") = "6"
    & skf21("7","3","6","3","5","2","3","1") = "6"
    & skf21("7","3","6","3","5","2","4","1") = "6"
    & skf21("7","3","6","3","5","2","5","1") = "6"
    & skf21("7","3","6","3","5","2","6","1") = "6"
    & skf21("7","3","6","3","5","2","7","1") = "6"
    & skf21("7","3","6","3","5","3","1","1") = "6"
    & skf21("7","3","6","3","5","3","2","1") = "6"
    & skf21("7","3","6","3","5","3","3","1") = "6"
    & skf21("7","3","6","3","5","3","4","1") = "6"
    & skf21("7","3","6","3","5","3","5","1") = "6"
    & skf21("7","3","6","3","5","3","6","1") = "6"
    & skf21("7","3","6","3","5","3","7","1") = "6"
    & skf21("7","3","6","3","5","4","1","1") = "6"
    & skf21("7","3","6","3","5","4","2","1") = "6"
    & skf21("7","3","6","3","5","4","3","1") = "6"
    & skf21("7","3","6","3","5","4","4","1") = "6"
    & skf21("7","3","6","3","5","4","5","1") = "6"
    & skf21("7","3","6","3","5","4","6","1") = "6"
    & skf21("7","3","6","3","5","4","7","1") = "6"
    & skf21("7","3","6","3","5","5","1","1") = "6"
    & skf21("7","3","6","3","5","5","2","1") = "6"
    & skf21("7","3","6","3","5","5","3","1") = "6"
    & skf21("7","3","6","3","5","5","4","1") = "6"
    & skf21("7","3","6","3","5","5","5","1") = "6"
    & skf21("7","3","6","3","5","5","6","1") = "6"
    & skf21("7","3","6","3","5","5","7","1") = "6"
    & skf21("7","3","6","3","5","6","1","1") = "6"
    & skf21("7","3","6","3","5","6","2","1") = "6"
    & skf21("7","3","6","3","5","6","3","1") = "6"
    & skf21("7","3","6","3","5","6","4","1") = "6"
    & skf21("7","3","6","3","5","6","5","1") = "6"
    & skf21("7","3","6","3","5","6","6","1") = "6"
    & skf21("7","3","6","3","5","6","7","1") = "6"
    & skf21("7","3","6","3","5","7","1","1") = "6"
    & skf21("7","3","6","3","5","7","2","1") = "6"
    & skf21("7","3","6","3","5","7","3","1") = "6"
    & skf21("7","3","6","3","5","7","4","1") = "6"
    & skf21("7","3","6","3","5","7","5","1") = "6"
    & skf21("7","3","6","3","5","7","6","1") = "6"
    & skf21("7","3","6","3","5","7","7","1") = "6"
    & skf21("7","3","6","3","6","1","1","1") = "6"
    & skf21("7","3","6","3","6","1","2","1") = "6"
    & skf21("7","3","6","3","6","1","3","1") = "6"
    & skf21("7","3","6","3","6","1","4","1") = "6"
    & skf21("7","3","6","3","6","1","5","1") = "6"
    & skf21("7","3","6","3","6","1","6","1") = "6"
    & skf21("7","3","6","3","6","1","7","1") = "6"
    & skf21("7","3","6","3","6","2","1","1") = "6"
    & skf21("7","3","6","3","6","2","2","1") = "6"
    & skf21("7","3","6","3","6","2","3","1") = "6"
    & skf21("7","3","6","3","6","2","4","1") = "6"
    & skf21("7","3","6","3","6","2","5","1") = "6"
    & skf21("7","3","6","3","6","2","6","1") = "6"
    & skf21("7","3","6","3","6","2","7","1") = "6"
    & skf21("7","3","6","3","6","3","1","1") = "6"
    & skf21("7","3","6","3","6","3","2","1") = "6"
    & skf21("7","3","6","3","6","3","3","1") = "6"
    & skf21("7","3","6","3","6","3","4","1") = "6"
    & skf21("7","3","6","3","6","3","5","1") = "6"
    & skf21("7","3","6","3","6","3","6","1") = "6"
    & skf21("7","3","6","3","6","3","7","1") = "6"
    & skf21("7","3","6","3","6","4","1","1") = "6"
    & skf21("7","3","6","3","6","4","2","1") = "6"
    & skf21("7","3","6","3","6","4","3","1") = "6"
    & skf21("7","3","6","3","6","4","4","1") = "6"
    & skf21("7","3","6","3","6","4","5","1") = "6"
    & skf21("7","3","6","3","6","4","6","1") = "6"
    & skf21("7","3","6","3","6","4","7","1") = "6"
    & skf21("7","3","6","3","6","5","1","1") = "6"
    & skf21("7","3","6","3","6","5","2","1") = "6"
    & skf21("7","3","6","3","6","5","3","1") = "6"
    & skf21("7","3","6","3","6","5","4","1") = "6"
    & skf21("7","3","6","3","6","5","5","1") = "6"
    & skf21("7","3","6","3","6","5","6","1") = "6"
    & skf21("7","3","6","3","6","5","7","1") = "6"
    & skf21("7","3","6","3","6","6","1","1") = "6"
    & skf21("7","3","6","3","6","6","2","1") = "6"
    & skf21("7","3","6","3","6","6","3","1") = "6"
    & skf21("7","3","6","3","6","6","4","1") = "6"
    & skf21("7","3","6","3","6","6","5","1") = "6"
    & skf21("7","3","6","3","6","6","6","1") = "6"
    & skf21("7","3","6","3","6","6","7","1") = "6"
    & skf21("7","3","6","3","6","7","1","1") = "6"
    & skf21("7","3","6","3","6","7","2","1") = "6"
    & skf21("7","3","6","3","6","7","3","1") = "6"
    & skf21("7","3","6","3","6","7","4","1") = "6"
    & skf21("7","3","6","3","6","7","5","1") = "6"
    & skf21("7","3","6","3","6","7","6","1") = "6"
    & skf21("7","3","6","3","6","7","7","1") = "6"
    & skf21("7","3","6","3","7","1","1","1") = "6"
    & skf21("7","3","6","3","7","1","2","1") = "6"
    & skf21("7","3","6","3","7","1","3","1") = "6"
    & skf21("7","3","6","3","7","1","4","1") = "6"
    & skf21("7","3","6","3","7","1","5","1") = "6"
    & skf21("7","3","6","3","7","1","6","1") = "6"
    & skf21("7","3","6","3","7","1","7","1") = "6"
    & skf21("7","3","6","3","7","2","1","1") = "6"
    & skf21("7","3","6","3","7","2","2","1") = "6"
    & skf21("7","3","6","3","7","2","3","1") = "6"
    & skf21("7","3","6","3","7","2","4","1") = "6"
    & skf21("7","3","6","3","7","2","5","1") = "6"
    & skf21("7","3","6","3","7","2","6","1") = "6"
    & skf21("7","3","6","3","7","2","7","1") = "6"
    & skf21("7","3","6","3","7","3","1","1") = "6"
    & skf21("7","3","6","3","7","3","2","1") = "6"
    & skf21("7","3","6","3","7","3","3","1") = "6"
    & skf21("7","3","6","3","7","3","4","1") = "6"
    & skf21("7","3","6","3","7","3","5","1") = "6"
    & skf21("7","3","6","3","7","3","6","1") = "6"
    & skf21("7","3","6","3","7","3","7","1") = "6"
    & skf21("7","3","6","3","7","4","1","1") = "6"
    & skf21("7","3","6","3","7","4","2","1") = "6"
    & skf21("7","3","6","3","7","4","3","1") = "6"
    & skf21("7","3","6","3","7","4","4","1") = "6"
    & skf21("7","3","6","3","7","4","5","1") = "6"
    & skf21("7","3","6","3","7","4","6","1") = "6"
    & skf21("7","3","6","3","7","4","7","1") = "6"
    & skf21("7","3","6","3","7","5","1","1") = "6"
    & skf21("7","3","6","3","7","5","2","1") = "6"
    & skf21("7","3","6","3","7","5","3","1") = "6"
    & skf21("7","3","6","3","7","5","4","1") = "6"
    & skf21("7","3","6","3","7","5","5","1") = "6"
    & skf21("7","3","6","3","7","5","6","1") = "6"
    & skf21("7","3","6","3","7","5","7","1") = "6"
    & skf21("7","3","6","3","7","6","1","1") = "6"
    & skf21("7","3","6","3","7","6","2","1") = "6"
    & skf21("7","3","6","3","7","6","3","1") = "6"
    & skf21("7","3","6","3","7","6","4","1") = "6"
    & skf21("7","3","6","3","7","6","5","1") = "6"
    & skf21("7","3","6","3","7","6","6","1") = "6"
    & skf21("7","3","6","3","7","6","7","1") = "6"
    & skf21("7","3","6","3","7","7","1","1") = "6"
    & skf21("7","3","6","3","7","7","2","1") = "6"
    & skf21("7","3","6","3","7","7","3","1") = "6"
    & skf21("7","3","6","3","7","7","4","1") = "6"
    & skf21("7","3","6","3","7","7","5","1") = "6"
    & skf21("7","3","6","3","7","7","6","1") = "6"
    & skf21("7","3","6","3","7","7","7","1") = "6"
    & skf21("7","3","6","4","1","1","1","1") = "6"
    & skf21("7","3","6","4","1","1","2","1") = "6"
    & skf21("7","3","6","4","1","1","3","1") = "6"
    & skf21("7","3","6","4","1","1","4","1") = "6"
    & skf21("7","3","6","4","1","1","5","1") = "6"
    & skf21("7","3","6","4","1","1","6","1") = "6"
    & skf21("7","3","6","4","1","1","7","1") = "6"
    & skf21("7","3","6","4","1","2","1","1") = "6"
    & skf21("7","3","6","4","1","2","2","1") = "6"
    & skf21("7","3","6","4","1","2","3","1") = "6"
    & skf21("7","3","6","4","1","2","4","1") = "6"
    & skf21("7","3","6","4","1","2","5","1") = "6"
    & skf21("7","3","6","4","1","2","6","1") = "6"
    & skf21("7","3","6","4","1","2","7","1") = "6"
    & skf21("7","3","6","4","1","3","1","1") = "6"
    & skf21("7","3","6","4","1","3","2","1") = "6"
    & skf21("7","3","6","4","1","3","3","1") = "6"
    & skf21("7","3","6","4","1","3","4","1") = "6"
    & skf21("7","3","6","4","1","3","5","1") = "6"
    & skf21("7","3","6","4","1","3","6","1") = "6"
    & skf21("7","3","6","4","1","3","7","1") = "6"
    & skf21("7","3","6","4","1","4","1","1") = "6"
    & skf21("7","3","6","4","1","4","2","1") = "6"
    & skf21("7","3","6","4","1","4","3","1") = "6"
    & skf21("7","3","6","4","1","4","4","1") = "6"
    & skf21("7","3","6","4","1","4","5","1") = "6"
    & skf21("7","3","6","4","1","4","6","1") = "6"
    & skf21("7","3","6","4","1","4","7","1") = "6"
    & skf21("7","3","6","4","1","5","1","1") = "6"
    & skf21("7","3","6","4","1","5","2","1") = "6"
    & skf21("7","3","6","4","1","5","3","1") = "6"
    & skf21("7","3","6","4","1","5","4","1") = "6"
    & skf21("7","3","6","4","1","5","5","1") = "6"
    & skf21("7","3","6","4","1","5","6","1") = "6"
    & skf21("7","3","6","4","1","5","7","1") = "6"
    & skf21("7","3","6","4","1","6","1","1") = "6"
    & skf21("7","3","6","4","1","6","2","1") = "6"
    & skf21("7","3","6","4","1","6","3","1") = "6"
    & skf21("7","3","6","4","1","6","4","1") = "6"
    & skf21("7","3","6","4","1","6","5","1") = "6"
    & skf21("7","3","6","4","1","6","6","1") = "6"
    & skf21("7","3","6","4","1","6","7","1") = "6"
    & skf21("7","3","6","4","1","7","1","1") = "6"
    & skf21("7","3","6","4","1","7","2","1") = "6"
    & skf21("7","3","6","4","1","7","3","1") = "6"
    & skf21("7","3","6","4","1","7","4","1") = "6"
    & skf21("7","3","6","4","1","7","5","1") = "6"
    & skf21("7","3","6","4","1","7","6","1") = "6"
    & skf21("7","3","6","4","1","7","7","1") = "6"
    & skf21("7","3","6","4","2","1","1","1") = "6"
    & skf21("7","3","6","4","2","1","2","1") = "6"
    & skf21("7","3","6","4","2","1","3","1") = "6"
    & skf21("7","3","6","4","2","1","4","1") = "6"
    & skf21("7","3","6","4","2","1","5","1") = "6"
    & skf21("7","3","6","4","2","1","6","1") = "6"
    & skf21("7","3","6","4","2","1","7","1") = "6"
    & skf21("7","3","6","4","2","2","1","1") = "6"
    & skf21("7","3","6","4","2","2","2","1") = "6"
    & skf21("7","3","6","4","2","2","3","1") = "6"
    & skf21("7","3","6","4","2","2","4","1") = "6"
    & skf21("7","3","6","4","2","2","5","1") = "6"
    & skf21("7","3","6","4","2","2","6","1") = "6"
    & skf21("7","3","6","4","2","2","7","1") = "6"
    & skf21("7","3","6","4","2","3","1","1") = "6"
    & skf21("7","3","6","4","2","3","2","1") = "6"
    & skf21("7","3","6","4","2","3","3","1") = "6"
    & skf21("7","3","6","4","2","3","4","1") = "6"
    & skf21("7","3","6","4","2","3","5","1") = "6"
    & skf21("7","3","6","4","2","3","6","1") = "6"
    & skf21("7","3","6","4","2","3","7","1") = "6"
    & skf21("7","3","6","4","2","4","1","1") = "6"
    & skf21("7","3","6","4","2","4","2","1") = "6"
    & skf21("7","3","6","4","2","4","3","1") = "6"
    & skf21("7","3","6","4","2","4","4","1") = "6"
    & skf21("7","3","6","4","2","4","5","1") = "6"
    & skf21("7","3","6","4","2","4","6","1") = "6"
    & skf21("7","3","6","4","2","4","7","1") = "6"
    & skf21("7","3","6","4","2","5","1","1") = "6"
    & skf21("7","3","6","4","2","5","2","1") = "6"
    & skf21("7","3","6","4","2","5","3","1") = "6"
    & skf21("7","3","6","4","2","5","4","1") = "6"
    & skf21("7","3","6","4","2","5","5","1") = "6"
    & skf21("7","3","6","4","2","5","6","1") = "6"
    & skf21("7","3","6","4","2","5","7","1") = "6"
    & skf21("7","3","6","4","2","6","1","1") = "6"
    & skf21("7","3","6","4","2","6","2","1") = "6"
    & skf21("7","3","6","4","2","6","3","1") = "6"
    & skf21("7","3","6","4","2","6","4","1") = "6"
    & skf21("7","3","6","4","2","6","5","1") = "6"
    & skf21("7","3","6","4","2","6","6","1") = "6"
    & skf21("7","3","6","4","2","6","7","1") = "6"
    & skf21("7","3","6","4","2","7","1","1") = "6"
    & skf21("7","3","6","4","2","7","2","1") = "6"
    & skf21("7","3","6","4","2","7","3","1") = "6"
    & skf21("7","3","6","4","2","7","4","1") = "6"
    & skf21("7","3","6","4","2","7","5","1") = "6"
    & skf21("7","3","6","4","2","7","6","1") = "6"
    & skf21("7","3","6","4","2","7","7","1") = "6"
    & skf21("7","3","6","4","3","1","1","1") = "6"
    & skf21("7","3","6","4","3","1","2","1") = "6"
    & skf21("7","3","6","4","3","1","3","1") = "6"
    & skf21("7","3","6","4","3","1","4","1") = "6"
    & skf21("7","3","6","4","3","1","5","1") = "6"
    & skf21("7","3","6","4","3","1","6","1") = "6"
    & skf21("7","3","6","4","3","1","7","1") = "6"
    & skf21("7","3","6","4","3","2","1","1") = "6"
    & skf21("7","3","6","4","3","2","2","1") = "6"
    & skf21("7","3","6","4","3","2","3","1") = "6"
    & skf21("7","3","6","4","3","2","4","1") = "6"
    & skf21("7","3","6","4","3","2","5","1") = "6"
    & skf21("7","3","6","4","3","2","6","1") = "6"
    & skf21("7","3","6","4","3","2","7","1") = "6"
    & skf21("7","3","6","4","3","3","1","1") = "6"
    & skf21("7","3","6","4","3","3","2","1") = "6"
    & skf21("7","3","6","4","3","3","3","1") = "6"
    & skf21("7","3","6","4","3","3","4","1") = "6"
    & skf21("7","3","6","4","3","3","5","1") = "6"
    & skf21("7","3","6","4","3","3","6","1") = "6"
    & skf21("7","3","6","4","3","3","7","1") = "6"
    & skf21("7","3","6","4","3","4","1","1") = "6"
    & skf21("7","3","6","4","3","4","2","1") = "6"
    & skf21("7","3","6","4","3","4","3","1") = "6"
    & skf21("7","3","6","4","3","4","4","1") = "6"
    & skf21("7","3","6","4","3","4","5","1") = "6"
    & skf21("7","3","6","4","3","4","6","1") = "6"
    & skf21("7","3","6","4","3","4","7","1") = "6"
    & skf21("7","3","6","4","3","5","1","1") = "6"
    & skf21("7","3","6","4","3","5","2","1") = "6"
    & skf21("7","3","6","4","3","5","3","1") = "6"
    & skf21("7","3","6","4","3","5","4","1") = "6"
    & skf21("7","3","6","4","3","5","5","1") = "6"
    & skf21("7","3","6","4","3","5","6","1") = "6"
    & skf21("7","3","6","4","3","5","7","1") = "6"
    & skf21("7","3","6","4","3","6","1","1") = "6"
    & skf21("7","3","6","4","3","6","2","1") = "6"
    & skf21("7","3","6","4","3","6","3","1") = "6"
    & skf21("7","3","6","4","3","6","4","1") = "6"
    & skf21("7","3","6","4","3","6","5","1") = "6"
    & skf21("7","3","6","4","3","6","6","1") = "6"
    & skf21("7","3","6","4","3","6","7","1") = "6"
    & skf21("7","3","6","4","3","7","1","1") = "6"
    & skf21("7","3","6","4","3","7","2","1") = "6"
    & skf21("7","3","6","4","3","7","3","1") = "6"
    & skf21("7","3","6","4","3","7","4","1") = "6"
    & skf21("7","3","6","4","3","7","5","1") = "6"
    & skf21("7","3","6","4","3","7","6","1") = "6"
    & skf21("7","3","6","4","3","7","7","1") = "6"
    & skf21("7","3","6","4","4","1","1","1") = "6"
    & skf21("7","3","6","4","4","1","2","1") = "6"
    & skf21("7","3","6","4","4","1","3","1") = "6"
    & skf21("7","3","6","4","4","1","4","1") = "6"
    & skf21("7","3","6","4","4","1","5","1") = "6"
    & skf21("7","3","6","4","4","1","6","1") = "6"
    & skf21("7","3","6","4","4","1","7","1") = "6"
    & skf21("7","3","6","4","4","2","1","1") = "6"
    & skf21("7","3","6","4","4","2","2","1") = "6"
    & skf21("7","3","6","4","4","2","3","1") = "6"
    & skf21("7","3","6","4","4","2","4","1") = "6"
    & skf21("7","3","6","4","4","2","5","1") = "6"
    & skf21("7","3","6","4","4","2","6","1") = "6"
    & skf21("7","3","6","4","4","2","7","1") = "6"
    & skf21("7","3","6","4","4","3","1","1") = "6"
    & skf21("7","3","6","4","4","3","2","1") = "6"
    & skf21("7","3","6","4","4","3","3","1") = "6"
    & skf21("7","3","6","4","4","3","4","1") = "6"
    & skf21("7","3","6","4","4","3","5","1") = "6"
    & skf21("7","3","6","4","4","3","6","1") = "6"
    & skf21("7","3","6","4","4","3","7","1") = "6"
    & skf21("7","3","6","4","4","4","1","1") = "6"
    & skf21("7","3","6","4","4","4","2","1") = "6"
    & skf21("7","3","6","4","4","4","3","1") = "6"
    & skf21("7","3","6","4","4","4","4","1") = "6"
    & skf21("7","3","6","4","4","4","5","1") = "6"
    & skf21("7","3","6","4","4","4","6","1") = "6"
    & skf21("7","3","6","4","4","4","7","1") = "6"
    & skf21("7","3","6","4","4","5","1","1") = "6"
    & skf21("7","3","6","4","4","5","2","1") = "6"
    & skf21("7","3","6","4","4","5","3","1") = "6"
    & skf21("7","3","6","4","4","5","4","1") = "6"
    & skf21("7","3","6","4","4","5","5","1") = "6"
    & skf21("7","3","6","4","4","5","6","1") = "6"
    & skf21("7","3","6","4","4","5","7","1") = "6"
    & skf21("7","3","6","4","4","6","1","1") = "6"
    & skf21("7","3","6","4","4","6","2","1") = "6"
    & skf21("7","3","6","4","4","6","3","1") = "6"
    & skf21("7","3","6","4","4","6","4","1") = "6"
    & skf21("7","3","6","4","4","6","5","1") = "6"
    & skf21("7","3","6","4","4","6","6","1") = "6"
    & skf21("7","3","6","4","4","6","7","1") = "6"
    & skf21("7","3","6","4","4","7","1","1") = "6"
    & skf21("7","3","6","4","4","7","2","1") = "6"
    & skf21("7","3","6","4","4","7","3","1") = "6"
    & skf21("7","3","6","4","4","7","4","1") = "6"
    & skf21("7","3","6","4","4","7","5","1") = "6"
    & skf21("7","3","6","4","4","7","6","1") = "6"
    & skf21("7","3","6","4","4","7","7","1") = "6"
    & skf21("7","3","6","4","5","1","1","1") = "6"
    & skf21("7","3","6","4","5","1","2","1") = "6"
    & skf21("7","3","6","4","5","1","3","1") = "6"
    & skf21("7","3","6","4","5","1","4","1") = "6"
    & skf21("7","3","6","4","5","1","5","1") = "6"
    & skf21("7","3","6","4","5","1","6","1") = "6"
    & skf21("7","3","6","4","5","1","7","1") = "6"
    & skf21("7","3","6","4","5","2","1","1") = "6"
    & skf21("7","3","6","4","5","2","2","1") = "6"
    & skf21("7","3","6","4","5","2","3","1") = "6"
    & skf21("7","3","6","4","5","2","4","1") = "6"
    & skf21("7","3","6","4","5","2","5","1") = "6"
    & skf21("7","3","6","4","5","2","6","1") = "6"
    & skf21("7","3","6","4","5","2","7","1") = "6"
    & skf21("7","3","6","4","5","3","1","1") = "6"
    & skf21("7","3","6","4","5","3","2","1") = "6"
    & skf21("7","3","6","4","5","3","3","1") = "6"
    & skf21("7","3","6","4","5","3","4","1") = "6"
    & skf21("7","3","6","4","5","3","5","1") = "6"
    & skf21("7","3","6","4","5","3","6","1") = "6"
    & skf21("7","3","6","4","5","3","7","1") = "6"
    & skf21("7","3","6","4","5","4","1","1") = "6"
    & skf21("7","3","6","4","5","4","2","1") = "6"
    & skf21("7","3","6","4","5","4","3","1") = "6"
    & skf21("7","3","6","4","5","4","4","1") = "6"
    & skf21("7","3","6","4","5","4","5","1") = "6"
    & skf21("7","3","6","4","5","4","6","1") = "6"
    & skf21("7","3","6","4","5","4","7","1") = "6"
    & skf21("7","3","6","4","5","5","1","1") = "6"
    & skf21("7","3","6","4","5","5","2","1") = "6"
    & skf21("7","3","6","4","5","5","3","1") = "6"
    & skf21("7","3","6","4","5","5","4","1") = "6"
    & skf21("7","3","6","4","5","5","5","1") = "6"
    & skf21("7","3","6","4","5","5","6","1") = "6"
    & skf21("7","3","6","4","5","5","7","1") = "6"
    & skf21("7","3","6","4","5","6","1","1") = "6"
    & skf21("7","3","6","4","5","6","2","1") = "6"
    & skf21("7","3","6","4","5","6","3","1") = "6"
    & skf21("7","3","6","4","5","6","4","1") = "6"
    & skf21("7","3","6","4","5","6","5","1") = "6"
    & skf21("7","3","6","4","5","6","6","1") = "6"
    & skf21("7","3","6","4","5","6","7","1") = "6"
    & skf21("7","3","6","4","5","7","1","1") = "6"
    & skf21("7","3","6","4","5","7","2","1") = "6"
    & skf21("7","3","6","4","5","7","3","1") = "6"
    & skf21("7","3","6","4","5","7","4","1") = "6"
    & skf21("7","3","6","4","5","7","5","1") = "6"
    & skf21("7","3","6","4","5","7","6","1") = "6"
    & skf21("7","3","6","4","5","7","7","1") = "6"
    & skf21("7","3","6","4","6","1","1","1") = "6"
    & skf21("7","3","6","4","6","1","2","1") = "6"
    & skf21("7","3","6","4","6","1","3","1") = "6"
    & skf21("7","3","6","4","6","1","4","1") = "6"
    & skf21("7","3","6","4","6","1","5","1") = "6"
    & skf21("7","3","6","4","6","1","6","1") = "6"
    & skf21("7","3","6","4","6","1","7","1") = "6"
    & skf21("7","3","6","4","6","2","1","1") = "6"
    & skf21("7","3","6","4","6","2","2","1") = "6"
    & skf21("7","3","6","4","6","2","3","1") = "6"
    & skf21("7","3","6","4","6","2","4","1") = "6"
    & skf21("7","3","6","4","6","2","5","1") = "6"
    & skf21("7","3","6","4","6","2","6","1") = "6"
    & skf21("7","3","6","4","6","2","7","1") = "6"
    & skf21("7","3","6","4","6","3","1","1") = "6"
    & skf21("7","3","6","4","6","3","2","1") = "6"
    & skf21("7","3","6","4","6","3","3","1") = "6"
    & skf21("7","3","6","4","6","3","4","1") = "6"
    & skf21("7","3","6","4","6","3","5","1") = "6"
    & skf21("7","3","6","4","6","3","6","1") = "6"
    & skf21("7","3","6","4","6","3","7","1") = "6"
    & skf21("7","3","6","4","6","4","1","1") = "6"
    & skf21("7","3","6","4","6","4","2","1") = "6"
    & skf21("7","3","6","4","6","4","3","1") = "6"
    & skf21("7","3","6","4","6","4","4","1") = "6"
    & skf21("7","3","6","4","6","4","5","1") = "6"
    & skf21("7","3","6","4","6","4","6","1") = "6"
    & skf21("7","3","6","4","6","4","7","1") = "6"
    & skf21("7","3","6","4","6","5","1","1") = "6"
    & skf21("7","3","6","4","6","5","2","1") = "6"
    & skf21("7","3","6","4","6","5","3","1") = "6"
    & skf21("7","3","6","4","6","5","4","1") = "6"
    & skf21("7","3","6","4","6","5","5","1") = "6"
    & skf21("7","3","6","4","6","5","6","1") = "6"
    & skf21("7","3","6","4","6","5","7","1") = "6"
    & skf21("7","3","6","4","6","6","1","1") = "6"
    & skf21("7","3","6","4","6","6","2","1") = "6"
    & skf21("7","3","6","4","6","6","3","1") = "6"
    & skf21("7","3","6","4","6","6","4","1") = "6"
    & skf21("7","3","6","4","6","6","5","1") = "6"
    & skf21("7","3","6","4","6","6","6","1") = "6"
    & skf21("7","3","6","4","6","6","7","1") = "6"
    & skf21("7","3","6","4","6","7","1","1") = "6"
    & skf21("7","3","6","4","6","7","2","1") = "6"
    & skf21("7","3","6","4","6","7","3","1") = "6"
    & skf21("7","3","6","4","6","7","4","1") = "6"
    & skf21("7","3","6","4","6","7","5","1") = "6"
    & skf21("7","3","6","4","6","7","6","1") = "6"
    & skf21("7","3","6","4","6","7","7","1") = "6"
    & skf21("7","3","6","4","7","1","1","1") = "6"
    & skf21("7","3","6","4","7","1","2","1") = "6"
    & skf21("7","3","6","4","7","1","3","1") = "6"
    & skf21("7","3","6","4","7","1","4","1") = "6"
    & skf21("7","3","6","4","7","1","5","1") = "6"
    & skf21("7","3","6","4","7","1","6","1") = "6"
    & skf21("7","3","6","4","7","1","7","1") = "6"
    & skf21("7","3","6","4","7","2","1","1") = "6"
    & skf21("7","3","6","4","7","2","2","1") = "6"
    & skf21("7","3","6","4","7","2","3","1") = "6"
    & skf21("7","3","6","4","7","2","4","1") = "6"
    & skf21("7","3","6","4","7","2","5","1") = "6"
    & skf21("7","3","6","4","7","2","6","1") = "6"
    & skf21("7","3","6","4","7","2","7","1") = "6"
    & skf21("7","3","6","4","7","3","1","1") = "6"
    & skf21("7","3","6","4","7","3","2","1") = "6"
    & skf21("7","3","6","4","7","3","3","1") = "6"
    & skf21("7","3","6","4","7","3","4","1") = "6"
    & skf21("7","3","6","4","7","3","5","1") = "6"
    & skf21("7","3","6","4","7","3","6","1") = "6"
    & skf21("7","3","6","4","7","3","7","1") = "6"
    & skf21("7","3","6","4","7","4","1","1") = "6"
    & skf21("7","3","6","4","7","4","2","1") = "6"
    & skf21("7","3","6","4","7","4","3","1") = "6"
    & skf21("7","3","6","4","7","4","4","1") = "6"
    & skf21("7","3","6","4","7","4","5","1") = "6"
    & skf21("7","3","6","4","7","4","6","1") = "6"
    & skf21("7","3","6","4","7","4","7","1") = "6"
    & skf21("7","3","6","4","7","5","1","1") = "6"
    & skf21("7","3","6","4","7","5","2","1") = "6"
    & skf21("7","3","6","4","7","5","3","1") = "6"
    & skf21("7","3","6","4","7","5","4","1") = "6"
    & skf21("7","3","6","4","7","5","5","1") = "6"
    & skf21("7","3","6","4","7","5","6","1") = "6"
    & skf21("7","3","6","4","7","5","7","1") = "6"
    & skf21("7","3","6","4","7","6","1","1") = "6"
    & skf21("7","3","6","4","7","6","2","1") = "6"
    & skf21("7","3","6","4","7","6","3","1") = "6"
    & skf21("7","3","6","4","7","6","4","1") = "6"
    & skf21("7","3","6","4","7","6","5","1") = "6"
    & skf21("7","3","6","4","7","6","6","1") = "6"
    & skf21("7","3","6","4","7","6","7","1") = "6"
    & skf21("7","3","6","4","7","7","1","1") = "6"
    & skf21("7","3","6","4","7","7","2","1") = "6"
    & skf21("7","3","6","4","7","7","3","1") = "6"
    & skf21("7","3","6","4","7","7","4","1") = "6"
    & skf21("7","3","6","4","7","7","5","1") = "6"
    & skf21("7","3","6","4","7","7","6","1") = "6"
    & skf21("7","3","6","4","7","7","7","1") = "6"
    & skf21("7","3","6","5","1","1","1","1") = "6"
    & skf21("7","3","6","5","1","1","2","1") = "6"
    & skf21("7","3","6","5","1","1","3","1") = "6"
    & skf21("7","3","6","5","1","1","4","1") = "6"
    & skf21("7","3","6","5","1","1","5","1") = "6"
    & skf21("7","3","6","5","1","1","6","1") = "6"
    & skf21("7","3","6","5","1","1","7","1") = "6"
    & skf21("7","3","6","5","1","2","1","1") = "6"
    & skf21("7","3","6","5","1","2","2","1") = "6"
    & skf21("7","3","6","5","1","2","3","1") = "6"
    & skf21("7","3","6","5","1","2","4","1") = "6"
    & skf21("7","3","6","5","1","2","5","1") = "6"
    & skf21("7","3","6","5","1","2","6","1") = "6"
    & skf21("7","3","6","5","1","2","7","1") = "6"
    & skf21("7","3","6","5","1","3","1","1") = "6"
    & skf21("7","3","6","5","1","3","2","1") = "6"
    & skf21("7","3","6","5","1","3","3","1") = "6"
    & skf21("7","3","6","5","1","3","4","1") = "6"
    & skf21("7","3","6","5","1","3","5","1") = "6"
    & skf21("7","3","6","5","1","3","6","1") = "6"
    & skf21("7","3","6","5","1","3","7","1") = "6"
    & skf21("7","3","6","5","1","4","1","1") = "6"
    & skf21("7","3","6","5","1","4","2","1") = "6"
    & skf21("7","3","6","5","1","4","3","1") = "6"
    & skf21("7","3","6","5","1","4","4","1") = "6"
    & skf21("7","3","6","5","1","4","5","1") = "6"
    & skf21("7","3","6","5","1","4","6","1") = "6"
    & skf21("7","3","6","5","1","4","7","1") = "6"
    & skf21("7","3","6","5","1","5","1","1") = "6"
    & skf21("7","3","6","5","1","5","2","1") = "6"
    & skf21("7","3","6","5","1","5","3","1") = "6"
    & skf21("7","3","6","5","1","5","4","1") = "6"
    & skf21("7","3","6","5","1","5","5","1") = "6"
    & skf21("7","3","6","5","1","5","6","1") = "6"
    & skf21("7","3","6","5","1","5","7","1") = "6"
    & skf21("7","3","6","5","1","6","1","1") = "6"
    & skf21("7","3","6","5","1","6","2","1") = "6"
    & skf21("7","3","6","5","1","6","3","1") = "6"
    & skf21("7","3","6","5","1","6","4","1") = "6"
    & skf21("7","3","6","5","1","6","5","1") = "6"
    & skf21("7","3","6","5","1","6","6","1") = "6"
    & skf21("7","3","6","5","1","6","7","1") = "6"
    & skf21("7","3","6","5","1","7","1","1") = "6"
    & skf21("7","3","6","5","1","7","2","1") = "6"
    & skf21("7","3","6","5","1","7","3","1") = "6"
    & skf21("7","3","6","5","1","7","4","1") = "6"
    & skf21("7","3","6","5","1","7","5","1") = "6"
    & skf21("7","3","6","5","1","7","6","1") = "6"
    & skf21("7","3","6","5","1","7","7","1") = "6"
    & skf21("7","3","6","5","2","1","1","1") = "6"
    & skf21("7","3","6","5","2","1","2","1") = "6"
    & skf21("7","3","6","5","2","1","3","1") = "6"
    & skf21("7","3","6","5","2","1","4","1") = "6"
    & skf21("7","3","6","5","2","1","5","1") = "6"
    & skf21("7","3","6","5","2","1","6","1") = "6"
    & skf21("7","3","6","5","2","1","7","1") = "6"
    & skf21("7","3","6","5","2","2","1","1") = "6"
    & skf21("7","3","6","5","2","2","2","1") = "6"
    & skf21("7","3","6","5","2","2","3","1") = "6"
    & skf21("7","3","6","5","2","2","4","1") = "6"
    & skf21("7","3","6","5","2","2","5","1") = "6"
    & skf21("7","3","6","5","2","2","6","1") = "6"
    & skf21("7","3","6","5","2","2","7","1") = "6"
    & skf21("7","3","6","5","2","3","1","1") = "6"
    & skf21("7","3","6","5","2","3","2","1") = "6"
    & skf21("7","3","6","5","2","3","3","1") = "6"
    & skf21("7","3","6","5","2","3","4","1") = "6"
    & skf21("7","3","6","5","2","3","5","1") = "6"
    & skf21("7","3","6","5","2","3","6","1") = "6"
    & skf21("7","3","6","5","2","3","7","1") = "6"
    & skf21("7","3","6","5","2","4","1","1") = "6"
    & skf21("7","3","6","5","2","4","2","1") = "6"
    & skf21("7","3","6","5","2","4","3","1") = "6"
    & skf21("7","3","6","5","2","4","4","1") = "6"
    & skf21("7","3","6","5","2","4","5","1") = "6"
    & skf21("7","3","6","5","2","4","6","1") = "6"
    & skf21("7","3","6","5","2","4","7","1") = "6"
    & skf21("7","3","6","5","2","5","1","1") = "6"
    & skf21("7","3","6","5","2","5","2","1") = "6"
    & skf21("7","3","6","5","2","5","3","1") = "6"
    & skf21("7","3","6","5","2","5","4","1") = "6"
    & skf21("7","3","6","5","2","5","5","1") = "6"
    & skf21("7","3","6","5","2","5","6","1") = "6"
    & skf21("7","3","6","5","2","5","7","1") = "6"
    & skf21("7","3","6","5","2","6","1","1") = "6"
    & skf21("7","3","6","5","2","6","2","1") = "6"
    & skf21("7","3","6","5","2","6","3","1") = "6"
    & skf21("7","3","6","5","2","6","4","1") = "6"
    & skf21("7","3","6","5","2","6","5","1") = "6"
    & skf21("7","3","6","5","2","6","6","1") = "6"
    & skf21("7","3","6","5","2","6","7","1") = "6"
    & skf21("7","3","6","5","2","7","1","1") = "6"
    & skf21("7","3","6","5","2","7","2","1") = "6"
    & skf21("7","3","6","5","2","7","3","1") = "6"
    & skf21("7","3","6","5","2","7","4","1") = "6"
    & skf21("7","3","6","5","2","7","5","1") = "6"
    & skf21("7","3","6","5","2","7","6","1") = "6"
    & skf21("7","3","6","5","2","7","7","1") = "6"
    & skf21("7","3","6","5","3","1","1","1") = "6"
    & skf21("7","3","6","5","3","1","2","1") = "6"
    & skf21("7","3","6","5","3","1","3","1") = "6"
    & skf21("7","3","6","5","3","1","4","1") = "6"
    & skf21("7","3","6","5","3","1","5","1") = "6"
    & skf21("7","3","6","5","3","1","6","1") = "6"
    & skf21("7","3","6","5","3","1","7","1") = "6"
    & skf21("7","3","6","5","3","2","1","1") = "6"
    & skf21("7","3","6","5","3","2","2","1") = "6"
    & skf21("7","3","6","5","3","2","3","1") = "6"
    & skf21("7","3","6","5","3","2","4","1") = "6"
    & skf21("7","3","6","5","3","2","5","1") = "6"
    & skf21("7","3","6","5","3","2","6","1") = "6"
    & skf21("7","3","6","5","3","2","7","1") = "6"
    & skf21("7","3","6","5","3","3","1","1") = "6"
    & skf21("7","3","6","5","3","3","2","1") = "6"
    & skf21("7","3","6","5","3","3","3","1") = "6"
    & skf21("7","3","6","5","3","3","4","1") = "6"
    & skf21("7","3","6","5","3","3","5","1") = "6"
    & skf21("7","3","6","5","3","3","6","1") = "6"
    & skf21("7","3","6","5","3","3","7","1") = "6"
    & skf21("7","3","6","5","3","4","1","1") = "6"
    & skf21("7","3","6","5","3","4","2","1") = "6"
    & skf21("7","3","6","5","3","4","3","1") = "6"
    & skf21("7","3","6","5","3","4","4","1") = "6"
    & skf21("7","3","6","5","3","4","5","1") = "6"
    & skf21("7","3","6","5","3","4","6","1") = "6"
    & skf21("7","3","6","5","3","4","7","1") = "6"
    & skf21("7","3","6","5","3","5","1","1") = "6"
    & skf21("7","3","6","5","3","5","2","1") = "6"
    & skf21("7","3","6","5","3","5","3","1") = "6"
    & skf21("7","3","6","5","3","5","4","1") = "6"
    & skf21("7","3","6","5","3","5","5","1") = "6"
    & skf21("7","3","6","5","3","5","6","1") = "6"
    & skf21("7","3","6","5","3","5","7","1") = "6"
    & skf21("7","3","6","5","3","6","1","1") = "6"
    & skf21("7","3","6","5","3","6","2","1") = "6"
    & skf21("7","3","6","5","3","6","3","1") = "6"
    & skf21("7","3","6","5","3","6","4","1") = "6"
    & skf21("7","3","6","5","3","6","5","1") = "6"
    & skf21("7","3","6","5","3","6","6","1") = "6"
    & skf21("7","3","6","5","3","6","7","1") = "6"
    & skf21("7","3","6","5","3","7","1","1") = "6"
    & skf21("7","3","6","5","3","7","2","1") = "6"
    & skf21("7","3","6","5","3","7","3","1") = "6"
    & skf21("7","3","6","5","3","7","4","1") = "6"
    & skf21("7","3","6","5","3","7","5","1") = "6"
    & skf21("7","3","6","5","3","7","6","1") = "6"
    & skf21("7","3","6","5","3","7","7","1") = "6"
    & skf21("7","3","6","5","4","1","1","1") = "6"
    & skf21("7","3","6","5","4","1","2","1") = "6"
    & skf21("7","3","6","5","4","1","3","1") = "6"
    & skf21("7","3","6","5","4","1","4","1") = "6"
    & skf21("7","3","6","5","4","1","5","1") = "6"
    & skf21("7","3","6","5","4","1","6","1") = "6"
    & skf21("7","3","6","5","4","1","7","1") = "6"
    & skf21("7","3","6","5","4","2","1","1") = "6"
    & skf21("7","3","6","5","4","2","2","1") = "6"
    & skf21("7","3","6","5","4","2","3","1") = "6"
    & skf21("7","3","6","5","4","2","4","1") = "6"
    & skf21("7","3","6","5","4","2","5","1") = "6"
    & skf21("7","3","6","5","4","2","6","1") = "6"
    & skf21("7","3","6","5","4","2","7","1") = "6"
    & skf21("7","3","6","5","4","3","1","1") = "6"
    & skf21("7","3","6","5","4","3","2","1") = "6"
    & skf21("7","3","6","5","4","3","3","1") = "6"
    & skf21("7","3","6","5","4","3","4","1") = "6"
    & skf21("7","3","6","5","4","3","5","1") = "6"
    & skf21("7","3","6","5","4","3","6","1") = "6"
    & skf21("7","3","6","5","4","3","7","1") = "6"
    & skf21("7","3","6","5","4","4","1","1") = "6"
    & skf21("7","3","6","5","4","4","2","1") = "6"
    & skf21("7","3","6","5","4","4","3","1") = "6"
    & skf21("7","3","6","5","4","4","4","1") = "6"
    & skf21("7","3","6","5","4","4","5","1") = "6"
    & skf21("7","3","6","5","4","4","6","1") = "6"
    & skf21("7","3","6","5","4","4","7","1") = "6"
    & skf21("7","3","6","5","4","5","1","1") = "6"
    & skf21("7","3","6","5","4","5","2","1") = "6"
    & skf21("7","3","6","5","4","5","3","1") = "6"
    & skf21("7","3","6","5","4","5","4","1") = "6"
    & skf21("7","3","6","5","4","5","5","1") = "6"
    & skf21("7","3","6","5","4","5","6","1") = "6"
    & skf21("7","3","6","5","4","5","7","1") = "6"
    & skf21("7","3","6","5","4","6","1","1") = "6"
    & skf21("7","3","6","5","4","6","2","1") = "6"
    & skf21("7","3","6","5","4","6","3","1") = "6"
    & skf21("7","3","6","5","4","6","4","1") = "6"
    & skf21("7","3","6","5","4","6","5","1") = "6"
    & skf21("7","3","6","5","4","6","6","1") = "6"
    & skf21("7","3","6","5","4","6","7","1") = "6"
    & skf21("7","3","6","5","4","7","1","1") = "6"
    & skf21("7","3","6","5","4","7","2","1") = "6"
    & skf21("7","3","6","5","4","7","3","1") = "6"
    & skf21("7","3","6","5","4","7","4","1") = "6"
    & skf21("7","3","6","5","4","7","5","1") = "6"
    & skf21("7","3","6","5","4","7","6","1") = "6"
    & skf21("7","3","6","5","4","7","7","1") = "6"
    & skf21("7","3","6","5","5","1","1","1") = "6"
    & skf21("7","3","6","5","5","1","2","1") = "6"
    & skf21("7","3","6","5","5","1","3","1") = "6"
    & skf21("7","3","6","5","5","1","4","1") = "6"
    & skf21("7","3","6","5","5","1","5","1") = "6"
    & skf21("7","3","6","5","5","1","6","1") = "6"
    & skf21("7","3","6","5","5","1","7","1") = "6"
    & skf21("7","3","6","5","5","2","1","1") = "6"
    & skf21("7","3","6","5","5","2","2","1") = "6"
    & skf21("7","3","6","5","5","2","3","1") = "6"
    & skf21("7","3","6","5","5","2","4","1") = "6"
    & skf21("7","3","6","5","5","2","5","1") = "6"
    & skf21("7","3","6","5","5","2","6","1") = "6"
    & skf21("7","3","6","5","5","2","7","1") = "6"
    & skf21("7","3","6","5","5","3","1","1") = "6"
    & skf21("7","3","6","5","5","3","2","1") = "6"
    & skf21("7","3","6","5","5","3","3","1") = "6"
    & skf21("7","3","6","5","5","3","4","1") = "6"
    & skf21("7","3","6","5","5","3","5","1") = "6"
    & skf21("7","3","6","5","5","3","6","1") = "6"
    & skf21("7","3","6","5","5","3","7","1") = "6"
    & skf21("7","3","6","5","5","4","1","1") = "6"
    & skf21("7","3","6","5","5","4","2","1") = "6"
    & skf21("7","3","6","5","5","4","3","1") = "6"
    & skf21("7","3","6","5","5","4","4","1") = "6"
    & skf21("7","3","6","5","5","4","5","1") = "6"
    & skf21("7","3","6","5","5","4","6","1") = "6"
    & skf21("7","3","6","5","5","4","7","1") = "6"
    & skf21("7","3","6","5","5","5","1","1") = "6"
    & skf21("7","3","6","5","5","5","2","1") = "6"
    & skf21("7","3","6","5","5","5","3","1") = "6"
    & skf21("7","3","6","5","5","5","4","1") = "6"
    & skf21("7","3","6","5","5","5","5","1") = "6"
    & skf21("7","3","6","5","5","5","6","1") = "6"
    & skf21("7","3","6","5","5","5","7","1") = "6"
    & skf21("7","3","6","5","5","6","1","1") = "6"
    & skf21("7","3","6","5","5","6","2","1") = "6"
    & skf21("7","3","6","5","5","6","3","1") = "6"
    & skf21("7","3","6","5","5","6","4","1") = "6"
    & skf21("7","3","6","5","5","6","5","1") = "6"
    & skf21("7","3","6","5","5","6","6","1") = "6"
    & skf21("7","3","6","5","5","6","7","1") = "6"
    & skf21("7","3","6","5","5","7","1","1") = "6"
    & skf21("7","3","6","5","5","7","2","1") = "6"
    & skf21("7","3","6","5","5","7","3","1") = "6"
    & skf21("7","3","6","5","5","7","4","1") = "6"
    & skf21("7","3","6","5","5","7","5","1") = "6"
    & skf21("7","3","6","5","5","7","6","1") = "6"
    & skf21("7","3","6","5","5","7","7","1") = "6"
    & skf21("7","3","6","5","6","1","1","1") = "6"
    & skf21("7","3","6","5","6","1","2","1") = "6"
    & skf21("7","3","6","5","6","1","3","1") = "6"
    & skf21("7","3","6","5","6","1","4","1") = "6"
    & skf21("7","3","6","5","6","1","5","1") = "6"
    & skf21("7","3","6","5","6","1","6","1") = "6"
    & skf21("7","3","6","5","6","1","7","1") = "6"
    & skf21("7","3","6","5","6","2","1","1") = "6"
    & skf21("7","3","6","5","6","2","2","1") = "6"
    & skf21("7","3","6","5","6","2","3","1") = "6"
    & skf21("7","3","6","5","6","2","4","1") = "6"
    & skf21("7","3","6","5","6","2","5","1") = "6"
    & skf21("7","3","6","5","6","2","6","1") = "6"
    & skf21("7","3","6","5","6","2","7","1") = "6"
    & skf21("7","3","6","5","6","3","1","1") = "6"
    & skf21("7","3","6","5","6","3","2","1") = "6"
    & skf21("7","3","6","5","6","3","3","1") = "6"
    & skf21("7","3","6","5","6","3","4","1") = "6"
    & skf21("7","3","6","5","6","3","5","1") = "6"
    & skf21("7","3","6","5","6","3","6","1") = "6"
    & skf21("7","3","6","5","6","3","7","1") = "6"
    & skf21("7","3","6","5","6","4","1","1") = "6"
    & skf21("7","3","6","5","6","4","2","1") = "6"
    & skf21("7","3","6","5","6","4","3","1") = "6"
    & skf21("7","3","6","5","6","4","4","1") = "6"
    & skf21("7","3","6","5","6","4","5","1") = "6"
    & skf21("7","3","6","5","6","4","6","1") = "6"
    & skf21("7","3","6","5","6","4","7","1") = "6"
    & skf21("7","3","6","5","6","5","1","1") = "6"
    & skf21("7","3","6","5","6","5","2","1") = "6"
    & skf21("7","3","6","5","6","5","3","1") = "6"
    & skf21("7","3","6","5","6","5","4","1") = "6"
    & skf21("7","3","6","5","6","5","5","1") = "6"
    & skf21("7","3","6","5","6","5","6","1") = "6"
    & skf21("7","3","6","5","6","5","7","1") = "6"
    & skf21("7","3","6","5","6","6","1","1") = "6"
    & skf21("7","3","6","5","6","6","2","1") = "6"
    & skf21("7","3","6","5","6","6","3","1") = "6"
    & skf21("7","3","6","5","6","6","4","1") = "6"
    & skf21("7","3","6","5","6","6","5","1") = "6"
    & skf21("7","3","6","5","6","6","6","1") = "6"
    & skf21("7","3","6","5","6","6","7","1") = "6"
    & skf21("7","3","6","5","6","7","1","1") = "6"
    & skf21("7","3","6","5","6","7","2","1") = "6"
    & skf21("7","3","6","5","6","7","3","1") = "6"
    & skf21("7","3","6","5","6","7","4","1") = "6"
    & skf21("7","3","6","5","6","7","5","1") = "6"
    & skf21("7","3","6","5","6","7","6","1") = "6"
    & skf21("7","3","6","5","6","7","7","1") = "6"
    & skf21("7","3","6","5","7","1","1","1") = "6"
    & skf21("7","3","6","5","7","1","2","1") = "6"
    & skf21("7","3","6","5","7","1","3","1") = "6"
    & skf21("7","3","6","5","7","1","4","1") = "6"
    & skf21("7","3","6","5","7","1","5","1") = "6"
    & skf21("7","3","6","5","7","1","6","1") = "6"
    & skf21("7","3","6","5","7","1","7","1") = "6"
    & skf21("7","3","6","5","7","2","1","1") = "6"
    & skf21("7","3","6","5","7","2","2","1") = "6"
    & skf21("7","3","6","5","7","2","3","1") = "6"
    & skf21("7","3","6","5","7","2","4","1") = "6"
    & skf21("7","3","6","5","7","2","5","1") = "6"
    & skf21("7","3","6","5","7","2","6","1") = "6"
    & skf21("7","3","6","5","7","2","7","1") = "6"
    & skf21("7","3","6","5","7","3","1","1") = "6"
    & skf21("7","3","6","5","7","3","2","1") = "6"
    & skf21("7","3","6","5","7","3","3","1") = "6"
    & skf21("7","3","6","5","7","3","4","1") = "6"
    & skf21("7","3","6","5","7","3","5","1") = "6"
    & skf21("7","3","6","5","7","3","6","1") = "6"
    & skf21("7","3","6","5","7","3","7","1") = "6"
    & skf21("7","3","6","5","7","4","1","1") = "6"
    & skf21("7","3","6","5","7","4","2","1") = "6"
    & skf21("7","3","6","5","7","4","3","1") = "6"
    & skf21("7","3","6","5","7","4","4","1") = "6"
    & skf21("7","3","6","5","7","4","5","1") = "6"
    & skf21("7","3","6","5","7","4","6","1") = "6"
    & skf21("7","3","6","5","7","4","7","1") = "6"
    & skf21("7","3","6","5","7","5","1","1") = "6"
    & skf21("7","3","6","5","7","5","2","1") = "6"
    & skf21("7","3","6","5","7","5","3","1") = "6"
    & skf21("7","3","6","5","7","5","4","1") = "6"
    & skf21("7","3","6","5","7","5","5","1") = "6"
    & skf21("7","3","6","5","7","5","6","1") = "6"
    & skf21("7","3","6","5","7","5","7","1") = "6"
    & skf21("7","3","6","5","7","6","1","1") = "6"
    & skf21("7","3","6","5","7","6","2","1") = "6"
    & skf21("7","3","6","5","7","6","3","1") = "6"
    & skf21("7","3","6","5","7","6","4","1") = "6"
    & skf21("7","3","6","5","7","6","5","1") = "6"
    & skf21("7","3","6","5","7","6","6","1") = "6"
    & skf21("7","3","6","5","7","6","7","1") = "6"
    & skf21("7","3","6","5","7","7","1","1") = "6"
    & skf21("7","3","6","5","7","7","2","1") = "6"
    & skf21("7","3","6","5","7","7","3","1") = "6"
    & skf21("7","3","6","5","7","7","4","1") = "6"
    & skf21("7","3","6","5","7","7","5","1") = "6"
    & skf21("7","3","6","5","7","7","6","1") = "6"
    & skf21("7","3","6","5","7","7","7","1") = "6"
    & skf21("7","3","6","6","1","1","1","1") = "6"
    & skf21("7","3","6","6","1","1","2","1") = "6"
    & skf21("7","3","6","6","1","1","3","1") = "6"
    & skf21("7","3","6","6","1","1","4","1") = "6"
    & skf21("7","3","6","6","1","1","5","1") = "6"
    & skf21("7","3","6","6","1","1","6","1") = "6"
    & skf21("7","3","6","6","1","1","7","1") = "6"
    & skf21("7","3","6","6","1","2","1","1") = "6"
    & skf21("7","3","6","6","1","2","2","1") = "6"
    & skf21("7","3","6","6","1","2","3","1") = "6"
    & skf21("7","3","6","6","1","2","4","1") = "6"
    & skf21("7","3","6","6","1","2","5","1") = "6"
    & skf21("7","3","6","6","1","2","6","1") = "6"
    & skf21("7","3","6","6","1","2","7","1") = "6"
    & skf21("7","3","6","6","1","3","1","1") = "6"
    & skf21("7","3","6","6","1","3","2","1") = "6"
    & skf21("7","3","6","6","1","3","3","1") = "6"
    & skf21("7","3","6","6","1","3","4","1") = "6"
    & skf21("7","3","6","6","1","3","5","1") = "6"
    & skf21("7","3","6","6","1","3","6","1") = "6"
    & skf21("7","3","6","6","1","3","7","1") = "6"
    & skf21("7","3","6","6","1","4","1","1") = "6"
    & skf21("7","3","6","6","1","4","2","1") = "6"
    & skf21("7","3","6","6","1","4","3","1") = "6"
    & skf21("7","3","6","6","1","4","4","1") = "6"
    & skf21("7","3","6","6","1","4","5","1") = "6"
    & skf21("7","3","6","6","1","4","6","1") = "6"
    & skf21("7","3","6","6","1","4","7","1") = "6"
    & skf21("7","3","6","6","1","5","1","1") = "6"
    & skf21("7","3","6","6","1","5","2","1") = "6"
    & skf21("7","3","6","6","1","5","3","1") = "6"
    & skf21("7","3","6","6","1","5","4","1") = "6"
    & skf21("7","3","6","6","1","5","5","1") = "6"
    & skf21("7","3","6","6","1","5","6","1") = "6"
    & skf21("7","3","6","6","1","5","7","1") = "6"
    & skf21("7","3","6","6","1","6","1","1") = "6"
    & skf21("7","3","6","6","1","6","2","1") = "6"
    & skf21("7","3","6","6","1","6","3","1") = "6"
    & skf21("7","3","6","6","1","6","4","1") = "6"
    & skf21("7","3","6","6","1","6","5","1") = "6"
    & skf21("7","3","6","6","1","6","6","1") = "6"
    & skf21("7","3","6","6","1","6","7","1") = "6"
    & skf21("7","3","6","6","1","7","1","1") = "6"
    & skf21("7","3","6","6","1","7","2","1") = "6"
    & skf21("7","3","6","6","1","7","3","1") = "6"
    & skf21("7","3","6","6","1","7","4","1") = "6"
    & skf21("7","3","6","6","1","7","5","1") = "6"
    & skf21("7","3","6","6","1","7","6","1") = "6"
    & skf21("7","3","6","6","1","7","7","1") = "6"
    & skf21("7","3","6","6","2","1","1","1") = "6"
    & skf21("7","3","6","6","2","1","2","1") = "6"
    & skf21("7","3","6","6","2","1","3","1") = "6"
    & skf21("7","3","6","6","2","1","4","1") = "6"
    & skf21("7","3","6","6","2","1","5","1") = "6"
    & skf21("7","3","6","6","2","1","6","1") = "6"
    & skf21("7","3","6","6","2","1","7","1") = "6"
    & skf21("7","3","6","6","2","2","1","1") = "6"
    & skf21("7","3","6","6","2","2","2","1") = "6"
    & skf21("7","3","6","6","2","2","3","1") = "6"
    & skf21("7","3","6","6","2","2","4","1") = "6"
    & skf21("7","3","6","6","2","2","5","1") = "6"
    & skf21("7","3","6","6","2","2","6","1") = "6"
    & skf21("7","3","6","6","2","2","7","1") = "6"
    & skf21("7","3","6","6","2","3","1","1") = "6"
    & skf21("7","3","6","6","2","3","2","1") = "6"
    & skf21("7","3","6","6","2","3","3","1") = "6"
    & skf21("7","3","6","6","2","3","4","1") = "6"
    & skf21("7","3","6","6","2","3","5","1") = "6"
    & skf21("7","3","6","6","2","3","6","1") = "6"
    & skf21("7","3","6","6","2","3","7","1") = "6"
    & skf21("7","3","6","6","2","4","1","1") = "6"
    & skf21("7","3","6","6","2","4","2","1") = "6"
    & skf21("7","3","6","6","2","4","3","1") = "6"
    & skf21("7","3","6","6","2","4","4","1") = "6"
    & skf21("7","3","6","6","2","4","5","1") = "6"
    & skf21("7","3","6","6","2","4","6","1") = "6"
    & skf21("7","3","6","6","2","4","7","1") = "6"
    & skf21("7","3","6","6","2","5","1","1") = "6"
    & skf21("7","3","6","6","2","5","2","1") = "6"
    & skf21("7","3","6","6","2","5","3","1") = "6"
    & skf21("7","3","6","6","2","5","4","1") = "6"
    & skf21("7","3","6","6","2","5","5","1") = "6"
    & skf21("7","3","6","6","2","5","6","1") = "6"
    & skf21("7","3","6","6","2","5","7","1") = "6"
    & skf21("7","3","6","6","2","6","1","1") = "6"
    & skf21("7","3","6","6","2","6","2","1") = "6"
    & skf21("7","3","6","6","2","6","3","1") = "6"
    & skf21("7","3","6","6","2","6","4","1") = "6"
    & skf21("7","3","6","6","2","6","5","1") = "6"
    & skf21("7","3","6","6","2","6","6","1") = "6"
    & skf21("7","3","6","6","2","6","7","1") = "6"
    & skf21("7","3","6","6","2","7","1","1") = "6"
    & skf21("7","3","6","6","2","7","2","1") = "6"
    & skf21("7","3","6","6","2","7","3","1") = "6"
    & skf21("7","3","6","6","2","7","4","1") = "6"
    & skf21("7","3","6","6","2","7","5","1") = "6"
    & skf21("7","3","6","6","2","7","6","1") = "6"
    & skf21("7","3","6","6","2","7","7","1") = "6"
    & skf21("7","3","6","6","3","1","1","1") = "6"
    & skf21("7","3","6","6","3","1","2","1") = "6"
    & skf21("7","3","6","6","3","1","3","1") = "6"
    & skf21("7","3","6","6","3","1","4","1") = "6"
    & skf21("7","3","6","6","3","1","5","1") = "6"
    & skf21("7","3","6","6","3","1","6","1") = "6"
    & skf21("7","3","6","6","3","1","7","1") = "6"
    & skf21("7","3","6","6","3","2","1","1") = "6"
    & skf21("7","3","6","6","3","2","2","1") = "6"
    & skf21("7","3","6","6","3","2","3","1") = "6"
    & skf21("7","3","6","6","3","2","4","1") = "6"
    & skf21("7","3","6","6","3","2","5","1") = "6"
    & skf21("7","3","6","6","3","2","6","1") = "6"
    & skf21("7","3","6","6","3","2","7","1") = "6"
    & skf21("7","3","6","6","3","3","1","1") = "6"
    & skf21("7","3","6","6","3","3","2","1") = "6"
    & skf21("7","3","6","6","3","3","3","1") = "6"
    & skf21("7","3","6","6","3","3","4","1") = "6"
    & skf21("7","3","6","6","3","3","5","1") = "6"
    & skf21("7","3","6","6","3","3","6","1") = "6"
    & skf21("7","3","6","6","3","3","7","1") = "6"
    & skf21("7","3","6","6","3","4","1","1") = "6"
    & skf21("7","3","6","6","3","4","2","1") = "6"
    & skf21("7","3","6","6","3","4","3","1") = "6"
    & skf21("7","3","6","6","3","4","4","1") = "6"
    & skf21("7","3","6","6","3","4","5","1") = "6"
    & skf21("7","3","6","6","3","4","6","1") = "6"
    & skf21("7","3","6","6","3","4","7","1") = "6"
    & skf21("7","3","6","6","3","5","1","1") = "6"
    & skf21("7","3","6","6","3","5","2","1") = "6"
    & skf21("7","3","6","6","3","5","3","1") = "6"
    & skf21("7","3","6","6","3","5","4","1") = "6"
    & skf21("7","3","6","6","3","5","5","1") = "6"
    & skf21("7","3","6","6","3","5","6","1") = "6"
    & skf21("7","3","6","6","3","5","7","1") = "6"
    & skf21("7","3","6","6","3","6","1","1") = "6"
    & skf21("7","3","6","6","3","6","2","1") = "6"
    & skf21("7","3","6","6","3","6","3","1") = "6"
    & skf21("7","3","6","6","3","6","4","1") = "6"
    & skf21("7","3","6","6","3","6","5","1") = "6"
    & skf21("7","3","6","6","3","6","6","1") = "6"
    & skf21("7","3","6","6","3","6","7","1") = "6"
    & skf21("7","3","6","6","3","7","1","1") = "6"
    & skf21("7","3","6","6","3","7","2","1") = "6"
    & skf21("7","3","6","6","3","7","3","1") = "6"
    & skf21("7","3","6","6","3","7","4","1") = "6"
    & skf21("7","3","6","6","3","7","5","1") = "6"
    & skf21("7","3","6","6","3","7","6","1") = "6"
    & skf21("7","3","6","6","3","7","7","1") = "6"
    & skf21("7","3","6","6","4","1","1","1") = "6"
    & skf21("7","3","6","6","4","1","2","1") = "6"
    & skf21("7","3","6","6","4","1","3","1") = "6"
    & skf21("7","3","6","6","4","1","4","1") = "6"
    & skf21("7","3","6","6","4","1","5","1") = "6"
    & skf21("7","3","6","6","4","1","6","1") = "6"
    & skf21("7","3","6","6","4","1","7","1") = "6"
    & skf21("7","3","6","6","4","2","1","1") = "6"
    & skf21("7","3","6","6","4","2","2","1") = "6"
    & skf21("7","3","6","6","4","2","3","1") = "6"
    & skf21("7","3","6","6","4","2","4","1") = "6"
    & skf21("7","3","6","6","4","2","5","1") = "6"
    & skf21("7","3","6","6","4","2","6","1") = "6"
    & skf21("7","3","6","6","4","2","7","1") = "6"
    & skf21("7","3","6","6","4","3","1","1") = "6"
    & skf21("7","3","6","6","4","3","2","1") = "6"
    & skf21("7","3","6","6","4","3","3","1") = "6"
    & skf21("7","3","6","6","4","3","4","1") = "6"
    & skf21("7","3","6","6","4","3","5","1") = "6"
    & skf21("7","3","6","6","4","3","6","1") = "6"
    & skf21("7","3","6","6","4","3","7","1") = "6"
    & skf21("7","3","6","6","4","4","1","1") = "6"
    & skf21("7","3","6","6","4","4","2","1") = "6"
    & skf21("7","3","6","6","4","4","3","1") = "6"
    & skf21("7","3","6","6","4","4","4","1") = "6"
    & skf21("7","3","6","6","4","4","5","1") = "6"
    & skf21("7","3","6","6","4","4","6","1") = "6"
    & skf21("7","3","6","6","4","4","7","1") = "6"
    & skf21("7","3","6","6","4","5","1","1") = "6"
    & skf21("7","3","6","6","4","5","2","1") = "6"
    & skf21("7","3","6","6","4","5","3","1") = "6"
    & skf21("7","3","6","6","4","5","4","1") = "6"
    & skf21("7","3","6","6","4","5","5","1") = "6"
    & skf21("7","3","6","6","4","5","6","1") = "6"
    & skf21("7","3","6","6","4","5","7","1") = "6"
    & skf21("7","3","6","6","4","6","1","1") = "6"
    & skf21("7","3","6","6","4","6","2","1") = "6"
    & skf21("7","3","6","6","4","6","3","1") = "6"
    & skf21("7","3","6","6","4","6","4","1") = "6"
    & skf21("7","3","6","6","4","6","5","1") = "6"
    & skf21("7","3","6","6","4","6","6","1") = "6"
    & skf21("7","3","6","6","4","6","7","1") = "6"
    & skf21("7","3","6","6","4","7","1","1") = "6"
    & skf21("7","3","6","6","4","7","2","1") = "6"
    & skf21("7","3","6","6","4","7","3","1") = "6"
    & skf21("7","3","6","6","4","7","4","1") = "6"
    & skf21("7","3","6","6","4","7","5","1") = "6"
    & skf21("7","3","6","6","4","7","6","1") = "6"
    & skf21("7","3","6","6","4","7","7","1") = "6"
    & skf21("7","3","6","6","5","1","1","1") = "6"
    & skf21("7","3","6","6","5","1","2","1") = "6"
    & skf21("7","3","6","6","5","1","3","1") = "6"
    & skf21("7","3","6","6","5","1","4","1") = "6"
    & skf21("7","3","6","6","5","1","5","1") = "6"
    & skf21("7","3","6","6","5","1","6","1") = "6"
    & skf21("7","3","6","6","5","1","7","1") = "6"
    & skf21("7","3","6","6","5","2","1","1") = "6"
    & skf21("7","3","6","6","5","2","2","1") = "6"
    & skf21("7","3","6","6","5","2","3","1") = "6"
    & skf21("7","3","6","6","5","2","4","1") = "6"
    & skf21("7","3","6","6","5","2","5","1") = "6"
    & skf21("7","3","6","6","5","2","6","1") = "6"
    & skf21("7","3","6","6","5","2","7","1") = "6"
    & skf21("7","3","6","6","5","3","1","1") = "6"
    & skf21("7","3","6","6","5","3","2","1") = "6"
    & skf21("7","3","6","6","5","3","3","1") = "6"
    & skf21("7","3","6","6","5","3","4","1") = "6"
    & skf21("7","3","6","6","5","3","5","1") = "6"
    & skf21("7","3","6","6","5","3","6","1") = "6"
    & skf21("7","3","6","6","5","3","7","1") = "6"
    & skf21("7","3","6","6","5","4","1","1") = "6"
    & skf21("7","3","6","6","5","4","2","1") = "6"
    & skf21("7","3","6","6","5","4","3","1") = "6"
    & skf21("7","3","6","6","5","4","4","1") = "6"
    & skf21("7","3","6","6","5","4","5","1") = "6"
    & skf21("7","3","6","6","5","4","6","1") = "6"
    & skf21("7","3","6","6","5","4","7","1") = "6"
    & skf21("7","3","6","6","5","5","1","1") = "6"
    & skf21("7","3","6","6","5","5","2","1") = "6"
    & skf21("7","3","6","6","5","5","3","1") = "6"
    & skf21("7","3","6","6","5","5","4","1") = "6"
    & skf21("7","3","6","6","5","5","5","1") = "6"
    & skf21("7","3","6","6","5","5","6","1") = "6"
    & skf21("7","3","6","6","5","5","7","1") = "6"
    & skf21("7","3","6","6","5","6","1","1") = "6"
    & skf21("7","3","6","6","5","6","2","1") = "6"
    & skf21("7","3","6","6","5","6","3","1") = "6"
    & skf21("7","3","6","6","5","6","4","1") = "6"
    & skf21("7","3","6","6","5","6","5","1") = "6"
    & skf21("7","3","6","6","5","6","6","1") = "6"
    & skf21("7","3","6","6","5","6","7","1") = "6"
    & skf21("7","3","6","6","5","7","1","1") = "6"
    & skf21("7","3","6","6","5","7","2","1") = "6"
    & skf21("7","3","6","6","5","7","3","1") = "6"
    & skf21("7","3","6","6","5","7","4","1") = "6"
    & skf21("7","3","6","6","5","7","5","1") = "6"
    & skf21("7","3","6","6","5","7","6","1") = "6"
    & skf21("7","3","6","6","5","7","7","1") = "6"
    & skf21("7","3","6","6","6","1","1","1") = "6"
    & skf21("7","3","6","6","6","1","2","1") = "6"
    & skf21("7","3","6","6","6","1","3","1") = "6"
    & skf21("7","3","6","6","6","1","4","1") = "6"
    & skf21("7","3","6","6","6","1","5","1") = "6"
    & skf21("7","3","6","6","6","1","6","1") = "6"
    & skf21("7","3","6","6","6","1","7","1") = "6"
    & skf21("7","3","6","6","6","2","1","1") = "6"
    & skf21("7","3","6","6","6","2","2","1") = "6"
    & skf21("7","3","6","6","6","2","3","1") = "6"
    & skf21("7","3","6","6","6","2","4","1") = "6"
    & skf21("7","3","6","6","6","2","5","1") = "6"
    & skf21("7","3","6","6","6","2","6","1") = "6"
    & skf21("7","3","6","6","6","2","7","1") = "6"
    & skf21("7","3","6","6","6","3","1","1") = "6"
    & skf21("7","3","6","6","6","3","2","1") = "6"
    & skf21("7","3","6","6","6","3","3","1") = "6"
    & skf21("7","3","6","6","6","3","4","1") = "6"
    & skf21("7","3","6","6","6","3","5","1") = "6"
    & skf21("7","3","6","6","6","3","6","1") = "6"
    & skf21("7","3","6","6","6","3","7","1") = "6"
    & skf21("7","3","6","6","6","4","1","1") = "6"
    & skf21("7","3","6","6","6","4","2","1") = "6"
    & skf21("7","3","6","6","6","4","3","1") = "6"
    & skf21("7","3","6","6","6","4","4","1") = "6"
    & skf21("7","3","6","6","6","4","5","1") = "6"
    & skf21("7","3","6","6","6","4","6","1") = "6"
    & skf21("7","3","6","6","6","4","7","1") = "6"
    & skf21("7","3","6","6","6","5","1","1") = "6"
    & skf21("7","3","6","6","6","5","2","1") = "6"
    & skf21("7","3","6","6","6","5","3","1") = "6"
    & skf21("7","3","6","6","6","5","4","1") = "6"
    & skf21("7","3","6","6","6","5","5","1") = "6"
    & skf21("7","3","6","6","6","5","6","1") = "6"
    & skf21("7","3","6","6","6","5","7","1") = "6"
    & skf21("7","3","6","6","6","6","1","1") = "6"
    & skf21("7","3","6","6","6","6","2","1") = "6"
    & skf21("7","3","6","6","6","6","3","1") = "6"
    & skf21("7","3","6","6","6","6","4","1") = "6"
    & skf21("7","3","6","6","6","6","5","1") = "6"
    & skf21("7","3","6","6","6","6","6","1") = "6"
    & skf21("7","3","6","6","6","6","7","1") = "6"
    & skf21("7","3","6","6","6","7","1","1") = "6"
    & skf21("7","3","6","6","6","7","2","1") = "6"
    & skf21("7","3","6","6","6","7","3","1") = "6"
    & skf21("7","3","6","6","6","7","4","1") = "6"
    & skf21("7","3","6","6","6","7","5","1") = "6"
    & skf21("7","3","6","6","6","7","6","1") = "6"
    & skf21("7","3","6","6","6","7","7","1") = "6"
    & skf21("7","3","6","6","7","1","1","1") = "6"
    & skf21("7","3","6","6","7","1","2","1") = "6"
    & skf21("7","3","6","6","7","1","3","1") = "6"
    & skf21("7","3","6","6","7","1","4","1") = "6"
    & skf21("7","3","6","6","7","1","5","1") = "6"
    & skf21("7","3","6","6","7","1","6","1") = "6"
    & skf21("7","3","6","6","7","1","7","1") = "6"
    & skf21("7","3","6","6","7","2","1","1") = "6"
    & skf21("7","3","6","6","7","2","2","1") = "6"
    & skf21("7","3","6","6","7","2","3","1") = "6"
    & skf21("7","3","6","6","7","2","4","1") = "6"
    & skf21("7","3","6","6","7","2","5","1") = "6"
    & skf21("7","3","6","6","7","2","6","1") = "6"
    & skf21("7","3","6","6","7","2","7","1") = "6"
    & skf21("7","3","6","6","7","3","1","1") = "6"
    & skf21("7","3","6","6","7","3","2","1") = "6"
    & skf21("7","3","6","6","7","3","3","1") = "6"
    & skf21("7","3","6","6","7","3","4","1") = "6"
    & skf21("7","3","6","6","7","3","5","1") = "6"
    & skf21("7","3","6","6","7","3","6","1") = "6"
    & skf21("7","3","6","6","7","3","7","1") = "6"
    & skf21("7","3","6","6","7","4","1","1") = "6"
    & skf21("7","3","6","6","7","4","2","1") = "6"
    & skf21("7","3","6","6","7","4","3","1") = "6"
    & skf21("7","3","6","6","7","4","4","1") = "6"
    & skf21("7","3","6","6","7","4","5","1") = "6"
    & skf21("7","3","6","6","7","4","6","1") = "6"
    & skf21("7","3","6","6","7","4","7","1") = "6"
    & skf21("7","3","6","6","7","5","1","1") = "6"
    & skf21("7","3","6","6","7","5","2","1") = "6"
    & skf21("7","3","6","6","7","5","3","1") = "6"
    & skf21("7","3","6","6","7","5","4","1") = "6"
    & skf21("7","3","6","6","7","5","5","1") = "6"
    & skf21("7","3","6","6","7","5","6","1") = "6"
    & skf21("7","3","6","6","7","5","7","1") = "6"
    & skf21("7","3","6","6","7","6","1","1") = "6"
    & skf21("7","3","6","6","7","6","2","1") = "6"
    & skf21("7","3","6","6","7","6","3","1") = "6"
    & skf21("7","3","6","6","7","6","4","1") = "6"
    & skf21("7","3","6","6","7","6","5","1") = "6"
    & skf21("7","3","6","6","7","6","6","1") = "6"
    & skf21("7","3","6","6","7","6","7","1") = "6"
    & skf21("7","3","6","6","7","7","1","1") = "6"
    & skf21("7","3","6","6","7","7","2","1") = "6"
    & skf21("7","3","6","6","7","7","3","1") = "6"
    & skf21("7","3","6","6","7","7","4","1") = "6"
    & skf21("7","3","6","6","7","7","5","1") = "6"
    & skf21("7","3","6","6","7","7","6","1") = "6"
    & skf21("7","3","6","6","7","7","7","1") = "6"
    & skf21("7","3","6","7","1","1","1","1") = "6"
    & skf21("7","3","6","7","1","1","2","1") = "6"
    & skf21("7","3","6","7","1","1","3","1") = "6"
    & skf21("7","3","6","7","1","1","4","1") = "6"
    & skf21("7","3","6","7","1","1","5","1") = "6"
    & skf21("7","3","6","7","1","1","6","1") = "6"
    & skf21("7","3","6","7","1","1","7","1") = "6"
    & skf21("7","3","6","7","1","2","1","1") = "6"
    & skf21("7","3","6","7","1","2","2","1") = "6"
    & skf21("7","3","6","7","1","2","3","1") = "6"
    & skf21("7","3","6","7","1","2","4","1") = "6"
    & skf21("7","3","6","7","1","2","5","1") = "6"
    & skf21("7","3","6","7","1","2","6","1") = "6"
    & skf21("7","3","6","7","1","2","7","1") = "6"
    & skf21("7","3","6","7","1","3","1","1") = "6"
    & skf21("7","3","6","7","1","3","2","1") = "6"
    & skf21("7","3","6","7","1","3","3","1") = "6"
    & skf21("7","3","6","7","1","3","4","1") = "6"
    & skf21("7","3","6","7","1","3","5","1") = "6"
    & skf21("7","3","6","7","1","3","6","1") = "6"
    & skf21("7","3","6","7","1","3","7","1") = "6"
    & skf21("7","3","6","7","1","4","1","1") = "6"
    & skf21("7","3","6","7","1","4","2","1") = "6"
    & skf21("7","3","6","7","1","4","3","1") = "6"
    & skf21("7","3","6","7","1","4","4","1") = "6"
    & skf21("7","3","6","7","1","4","5","1") = "6"
    & skf21("7","3","6","7","1","4","6","1") = "6"
    & skf21("7","3","6","7","1","4","7","1") = "6"
    & skf21("7","3","6","7","1","5","1","1") = "6"
    & skf21("7","3","6","7","1","5","2","1") = "6"
    & skf21("7","3","6","7","1","5","3","1") = "6"
    & skf21("7","3","6","7","1","5","4","1") = "6"
    & skf21("7","3","6","7","1","5","5","1") = "6"
    & skf21("7","3","6","7","1","5","6","1") = "6"
    & skf21("7","3","6","7","1","5","7","1") = "6"
    & skf21("7","3","6","7","1","6","1","1") = "6"
    & skf21("7","3","6","7","1","6","2","1") = "6"
    & skf21("7","3","6","7","1","6","3","1") = "6"
    & skf21("7","3","6","7","1","6","4","1") = "6"
    & skf21("7","3","6","7","1","6","5","1") = "6"
    & skf21("7","3","6","7","1","6","6","1") = "6"
    & skf21("7","3","6","7","1","6","7","1") = "6"
    & skf21("7","3","6","7","1","7","1","1") = "6"
    & skf21("7","3","6","7","1","7","2","1") = "6"
    & skf21("7","3","6","7","1","7","3","1") = "6"
    & skf21("7","3","6","7","1","7","4","1") = "6"
    & skf21("7","3","6","7","1","7","5","1") = "6"
    & skf21("7","3","6","7","1","7","6","1") = "6"
    & skf21("7","3","6","7","1","7","7","1") = "6"
    & skf21("7","3","6","7","2","1","1","1") = "6"
    & skf21("7","3","6","7","2","1","2","1") = "6"
    & skf21("7","3","6","7","2","1","3","1") = "6"
    & skf21("7","3","6","7","2","1","4","1") = "6"
    & skf21("7","3","6","7","2","1","5","1") = "6"
    & skf21("7","3","6","7","2","1","6","1") = "6"
    & skf21("7","3","6","7","2","1","7","1") = "6"
    & skf21("7","3","6","7","2","2","1","1") = "6"
    & skf21("7","3","6","7","2","2","2","1") = "6"
    & skf21("7","3","6","7","2","2","3","1") = "6"
    & skf21("7","3","6","7","2","2","4","1") = "6"
    & skf21("7","3","6","7","2","2","5","1") = "6"
    & skf21("7","3","6","7","2","2","6","1") = "6"
    & skf21("7","3","6","7","2","2","7","1") = "6"
    & skf21("7","3","6","7","2","3","1","1") = "6"
    & skf21("7","3","6","7","2","3","2","1") = "6"
    & skf21("7","3","6","7","2","3","3","1") = "6"
    & skf21("7","3","6","7","2","3","4","1") = "6"
    & skf21("7","3","6","7","2","3","5","1") = "6"
    & skf21("7","3","6","7","2","3","6","1") = "6"
    & skf21("7","3","6","7","2","3","7","1") = "6"
    & skf21("7","3","6","7","2","4","1","1") = "6"
    & skf21("7","3","6","7","2","4","2","1") = "6"
    & skf21("7","3","6","7","2","4","3","1") = "6"
    & skf21("7","3","6","7","2","4","4","1") = "6"
    & skf21("7","3","6","7","2","4","5","1") = "6"
    & skf21("7","3","6","7","2","4","6","1") = "6"
    & skf21("7","3","6","7","2","4","7","1") = "6"
    & skf21("7","3","6","7","2","5","1","1") = "6"
    & skf21("7","3","6","7","2","5","2","1") = "6"
    & skf21("7","3","6","7","2","5","3","1") = "6"
    & skf21("7","3","6","7","2","5","4","1") = "6"
    & skf21("7","3","6","7","2","5","5","1") = "6"
    & skf21("7","3","6","7","2","5","6","1") = "6"
    & skf21("7","3","6","7","2","5","7","1") = "6"
    & skf21("7","3","6","7","2","6","1","1") = "6"
    & skf21("7","3","6","7","2","6","2","1") = "6"
    & skf21("7","3","6","7","2","6","3","1") = "6"
    & skf21("7","3","6","7","2","6","4","1") = "6"
    & skf21("7","3","6","7","2","6","5","1") = "6"
    & skf21("7","3","6","7","2","6","6","1") = "6"
    & skf21("7","3","6","7","2","6","7","1") = "6"
    & skf21("7","3","6","7","2","7","1","1") = "6"
    & skf21("7","3","6","7","2","7","2","1") = "6"
    & skf21("7","3","6","7","2","7","3","1") = "6"
    & skf21("7","3","6","7","2","7","4","1") = "6"
    & skf21("7","3","6","7","2","7","5","1") = "6"
    & skf21("7","3","6","7","2","7","6","1") = "6"
    & skf21("7","3","6","7","2","7","7","1") = "6"
    & skf21("7","3","6","7","3","1","1","1") = "6"
    & skf21("7","3","6","7","3","1","2","1") = "6"
    & skf21("7","3","6","7","3","1","3","1") = "6"
    & skf21("7","3","6","7","3","1","4","1") = "6"
    & skf21("7","3","6","7","3","1","5","1") = "6"
    & skf21("7","3","6","7","3","1","6","1") = "6"
    & skf21("7","3","6","7","3","1","7","1") = "6"
    & skf21("7","3","6","7","3","2","1","1") = "6"
    & skf21("7","3","6","7","3","2","2","1") = "6"
    & skf21("7","3","6","7","3","2","3","1") = "6"
    & skf21("7","3","6","7","3","2","4","1") = "6"
    & skf21("7","3","6","7","3","2","5","1") = "6"
    & skf21("7","3","6","7","3","2","6","1") = "6"
    & skf21("7","3","6","7","3","2","7","1") = "6"
    & skf21("7","3","6","7","3","3","1","1") = "6"
    & skf21("7","3","6","7","3","3","2","1") = "6"
    & skf21("7","3","6","7","3","3","3","1") = "6"
    & skf21("7","3","6","7","3","3","4","1") = "6"
    & skf21("7","3","6","7","3","3","5","1") = "6"
    & skf21("7","3","6","7","3","3","6","1") = "6"
    & skf21("7","3","6","7","3","3","7","1") = "6"
    & skf21("7","3","6","7","3","4","1","1") = "6"
    & skf21("7","3","6","7","3","4","2","1") = "6"
    & skf21("7","3","6","7","3","4","3","1") = "6"
    & skf21("7","3","6","7","3","4","4","1") = "6"
    & skf21("7","3","6","7","3","4","5","1") = "6"
    & skf21("7","3","6","7","3","4","6","1") = "6"
    & skf21("7","3","6","7","3","4","7","1") = "6"
    & skf21("7","3","6","7","3","5","1","1") = "6"
    & skf21("7","3","6","7","3","5","2","1") = "6"
    & skf21("7","3","6","7","3","5","3","1") = "6"
    & skf21("7","3","6","7","3","5","4","1") = "6"
    & skf21("7","3","6","7","3","5","5","1") = "6"
    & skf21("7","3","6","7","3","5","6","1") = "6"
    & skf21("7","3","6","7","3","5","7","1") = "6"
    & skf21("7","3","6","7","3","6","1","1") = "6"
    & skf21("7","3","6","7","3","6","2","1") = "6"
    & skf21("7","3","6","7","3","6","3","1") = "6"
    & skf21("7","3","6","7","3","6","4","1") = "6"
    & skf21("7","3","6","7","3","6","5","1") = "6"
    & skf21("7","3","6","7","3","6","6","1") = "6"
    & skf21("7","3","6","7","3","6","7","1") = "6"
    & skf21("7","3","6","7","3","7","1","1") = "6"
    & skf21("7","3","6","7","3","7","2","1") = "6"
    & skf21("7","3","6","7","3","7","3","1") = "6"
    & skf21("7","3","6","7","3","7","4","1") = "6"
    & skf21("7","3","6","7","3","7","5","1") = "6"
    & skf21("7","3","6","7","3","7","6","1") = "6"
    & skf21("7","3","6","7","3","7","7","1") = "6"
    & skf21("7","3","6","7","4","1","1","1") = "6"
    & skf21("7","3","6","7","4","1","2","1") = "6"
    & skf21("7","3","6","7","4","1","3","1") = "6"
    & skf21("7","3","6","7","4","1","4","1") = "6"
    & skf21("7","3","6","7","4","1","5","1") = "6"
    & skf21("7","3","6","7","4","1","6","1") = "6"
    & skf21("7","3","6","7","4","1","7","1") = "6"
    & skf21("7","3","6","7","4","2","1","1") = "6"
    & skf21("7","3","6","7","4","2","2","1") = "6"
    & skf21("7","3","6","7","4","2","3","1") = "6"
    & skf21("7","3","6","7","4","2","4","1") = "6"
    & skf21("7","3","6","7","4","2","5","1") = "6"
    & skf21("7","3","6","7","4","2","6","1") = "6"
    & skf21("7","3","6","7","4","2","7","1") = "6"
    & skf21("7","3","6","7","4","3","1","1") = "6"
    & skf21("7","3","6","7","4","3","2","1") = "6"
    & skf21("7","3","6","7","4","3","3","1") = "6"
    & skf21("7","3","6","7","4","3","4","1") = "6"
    & skf21("7","3","6","7","4","3","5","1") = "6"
    & skf21("7","3","6","7","4","3","6","1") = "6"
    & skf21("7","3","6","7","4","3","7","1") = "6"
    & skf21("7","3","6","7","4","4","1","1") = "6"
    & skf21("7","3","6","7","4","4","2","1") = "6"
    & skf21("7","3","6","7","4","4","3","1") = "6"
    & skf21("7","3","6","7","4","4","4","1") = "6"
    & skf21("7","3","6","7","4","4","5","1") = "6"
    & skf21("7","3","6","7","4","4","6","1") = "6"
    & skf21("7","3","6","7","4","4","7","1") = "6"
    & skf21("7","3","6","7","4","5","1","1") = "6"
    & skf21("7","3","6","7","4","5","2","1") = "6"
    & skf21("7","3","6","7","4","5","3","1") = "6"
    & skf21("7","3","6","7","4","5","4","1") = "6"
    & skf21("7","3","6","7","4","5","5","1") = "6"
    & skf21("7","3","6","7","4","5","6","1") = "6"
    & skf21("7","3","6","7","4","5","7","1") = "6"
    & skf21("7","3","6","7","4","6","1","1") = "6"
    & skf21("7","3","6","7","4","6","2","1") = "6"
    & skf21("7","3","6","7","4","6","3","1") = "6"
    & skf21("7","3","6","7","4","6","4","1") = "6"
    & skf21("7","3","6","7","4","6","5","1") = "6"
    & skf21("7","3","6","7","4","6","6","1") = "6"
    & skf21("7","3","6","7","4","6","7","1") = "6"
    & skf21("7","3","6","7","4","7","1","1") = "6"
    & skf21("7","3","6","7","4","7","2","1") = "6"
    & skf21("7","3","6","7","4","7","3","1") = "6"
    & skf21("7","3","6","7","4","7","4","1") = "6"
    & skf21("7","3","6","7","4","7","5","1") = "6"
    & skf21("7","3","6","7","4","7","6","1") = "6"
    & skf21("7","3","6","7","4","7","7","1") = "6"
    & skf21("7","3","6","7","5","1","1","1") = "6"
    & skf21("7","3","6","7","5","1","2","1") = "6"
    & skf21("7","3","6","7","5","1","3","1") = "6"
    & skf21("7","3","6","7","5","1","4","1") = "6"
    & skf21("7","3","6","7","5","1","5","1") = "6"
    & skf21("7","3","6","7","5","1","6","1") = "6"
    & skf21("7","3","6","7","5","1","7","1") = "6"
    & skf21("7","3","6","7","5","2","1","1") = "6"
    & skf21("7","3","6","7","5","2","2","1") = "6"
    & skf21("7","3","6","7","5","2","3","1") = "6"
    & skf21("7","3","6","7","5","2","4","1") = "6"
    & skf21("7","3","6","7","5","2","5","1") = "6"
    & skf21("7","3","6","7","5","2","6","1") = "6"
    & skf21("7","3","6","7","5","2","7","1") = "6"
    & skf21("7","3","6","7","5","3","1","1") = "6"
    & skf21("7","3","6","7","5","3","2","1") = "6"
    & skf21("7","3","6","7","5","3","3","1") = "6"
    & skf21("7","3","6","7","5","3","4","1") = "6"
    & skf21("7","3","6","7","5","3","5","1") = "6"
    & skf21("7","3","6","7","5","3","6","1") = "6"
    & skf21("7","3","6","7","5","3","7","1") = "6"
    & skf21("7","3","6","7","5","4","1","1") = "6"
    & skf21("7","3","6","7","5","4","2","1") = "6"
    & skf21("7","3","6","7","5","4","3","1") = "6"
    & skf21("7","3","6","7","5","4","4","1") = "6"
    & skf21("7","3","6","7","5","4","5","1") = "6"
    & skf21("7","3","6","7","5","4","6","1") = "6"
    & skf21("7","3","6","7","5","4","7","1") = "6"
    & skf21("7","3","6","7","5","5","1","1") = "6"
    & skf21("7","3","6","7","5","5","2","1") = "6"
    & skf21("7","3","6","7","5","5","3","1") = "6"
    & skf21("7","3","6","7","5","5","4","1") = "6"
    & skf21("7","3","6","7","5","5","5","1") = "6"
    & skf21("7","3","6","7","5","5","6","1") = "6"
    & skf21("7","3","6","7","5","5","7","1") = "6"
    & skf21("7","3","6","7","5","6","1","1") = "6"
    & skf21("7","3","6","7","5","6","2","1") = "6"
    & skf21("7","3","6","7","5","6","3","1") = "6"
    & skf21("7","3","6","7","5","6","4","1") = "6"
    & skf21("7","3","6","7","5","6","5","1") = "6"
    & skf21("7","3","6","7","5","6","6","1") = "6"
    & skf21("7","3","6","7","5","6","7","1") = "6"
    & skf21("7","3","6","7","5","7","1","1") = "6"
    & skf21("7","3","6","7","5","7","2","1") = "6"
    & skf21("7","3","6","7","5","7","3","1") = "6"
    & skf21("7","3","6","7","5","7","4","1") = "6"
    & skf21("7","3","6","7","5","7","5","1") = "6"
    & skf21("7","3","6","7","5","7","6","1") = "6"
    & skf21("7","3","6","7","5","7","7","1") = "6"
    & skf21("7","3","6","7","6","1","1","1") = "6"
    & skf21("7","3","6","7","6","1","2","1") = "6"
    & skf21("7","3","6","7","6","1","3","1") = "6"
    & skf21("7","3","6","7","6","1","4","1") = "6"
    & skf21("7","3","6","7","6","1","5","1") = "6"
    & skf21("7","3","6","7","6","1","6","1") = "6"
    & skf21("7","3","6","7","6","1","7","1") = "6"
    & skf21("7","3","6","7","6","2","1","1") = "6"
    & skf21("7","3","6","7","6","2","2","1") = "6"
    & skf21("7","3","6","7","6","2","3","1") = "6"
    & skf21("7","3","6","7","6","2","4","1") = "6"
    & skf21("7","3","6","7","6","2","5","1") = "6"
    & skf21("7","3","6","7","6","2","6","1") = "6"
    & skf21("7","3","6","7","6","2","7","1") = "6"
    & skf21("7","3","6","7","6","3","1","1") = "6"
    & skf21("7","3","6","7","6","3","2","1") = "6"
    & skf21("7","3","6","7","6","3","3","1") = "6"
    & skf21("7","3","6","7","6","3","4","1") = "6"
    & skf21("7","3","6","7","6","3","5","1") = "6"
    & skf21("7","3","6","7","6","3","6","1") = "6"
    & skf21("7","3","6","7","6","3","7","1") = "6"
    & skf21("7","3","6","7","6","4","1","1") = "6"
    & skf21("7","3","6","7","6","4","2","1") = "6"
    & skf21("7","3","6","7","6","4","3","1") = "6"
    & skf21("7","3","6","7","6","4","4","1") = "6"
    & skf21("7","3","6","7","6","4","5","1") = "6"
    & skf21("7","3","6","7","6","4","6","1") = "6"
    & skf21("7","3","6","7","6","4","7","1") = "6"
    & skf21("7","3","6","7","6","5","1","1") = "6"
    & skf21("7","3","6","7","6","5","2","1") = "6"
    & skf21("7","3","6","7","6","5","3","1") = "6"
    & skf21("7","3","6","7","6","5","4","1") = "6"
    & skf21("7","3","6","7","6","5","5","1") = "6"
    & skf21("7","3","6","7","6","5","6","1") = "6"
    & skf21("7","3","6","7","6","5","7","1") = "6"
    & skf21("7","3","6","7","6","6","1","1") = "6"
    & skf21("7","3","6","7","6","6","2","1") = "6"
    & skf21("7","3","6","7","6","6","3","1") = "6"
    & skf21("7","3","6","7","6","6","4","1") = "6"
    & skf21("7","3","6","7","6","6","5","1") = "6"
    & skf21("7","3","6","7","6","6","6","1") = "6"
    & skf21("7","3","6","7","6","6","7","1") = "6"
    & skf21("7","3","6","7","6","7","1","1") = "6"
    & skf21("7","3","6","7","6","7","2","1") = "6"
    & skf21("7","3","6","7","6","7","3","1") = "6"
    & skf21("7","3","6","7","6","7","4","1") = "6"
    & skf21("7","3","6","7","6","7","5","1") = "6"
    & skf21("7","3","6","7","6","7","6","1") = "6"
    & skf21("7","3","6","7","6","7","7","1") = "6"
    & skf21("7","3","6","7","7","1","1","1") = "6"
    & skf21("7","3","6","7","7","1","2","1") = "6"
    & skf21("7","3","6","7","7","1","3","1") = "6"
    & skf21("7","3","6","7","7","1","4","1") = "6"
    & skf21("7","3","6","7","7","1","5","1") = "6"
    & skf21("7","3","6","7","7","1","6","1") = "6"
    & skf21("7","3","6","7","7","1","7","1") = "6"
    & skf21("7","3","6","7","7","2","1","1") = "6"
    & skf21("7","3","6","7","7","2","2","1") = "6"
    & skf21("7","3","6","7","7","2","3","1") = "6"
    & skf21("7","3","6","7","7","2","4","1") = "6"
    & skf21("7","3","6","7","7","2","5","1") = "6"
    & skf21("7","3","6","7","7","2","6","1") = "6"
    & skf21("7","3","6","7","7","2","7","1") = "6"
    & skf21("7","3","6","7","7","3","1","1") = "6"
    & skf21("7","3","6","7","7","3","2","1") = "6"
    & skf21("7","3","6","7","7","3","3","1") = "6"
    & skf21("7","3","6","7","7","3","4","1") = "6"
    & skf21("7","3","6","7","7","3","5","1") = "6"
    & skf21("7","3","6","7","7","3","6","1") = "6"
    & skf21("7","3","6","7","7","3","7","1") = "6"
    & skf21("7","3","6","7","7","4","1","1") = "6"
    & skf21("7","3","6","7","7","4","2","1") = "6"
    & skf21("7","3","6","7","7","4","3","1") = "6"
    & skf21("7","3","6","7","7","4","4","1") = "6"
    & skf21("7","3","6","7","7","4","5","1") = "6"
    & skf21("7","3","6","7","7","4","6","1") = "6"
    & skf21("7","3","6","7","7","4","7","1") = "6"
    & skf21("7","3","6","7","7","5","1","1") = "6"
    & skf21("7","3","6","7","7","5","2","1") = "6"
    & skf21("7","3","6","7","7","5","3","1") = "6"
    & skf21("7","3","6","7","7","5","4","1") = "6"
    & skf21("7","3","6","7","7","5","5","1") = "6"
    & skf21("7","3","6","7","7","5","6","1") = "6"
    & skf21("7","3","6","7","7","5","7","1") = "6"
    & skf21("7","3","6","7","7","6","1","1") = "6"
    & skf21("7","3","6","7","7","6","2","1") = "6"
    & skf21("7","3","6","7","7","6","3","1") = "6"
    & skf21("7","3","6","7","7","6","4","1") = "6"
    & skf21("7","3","6","7","7","6","5","1") = "6"
    & skf21("7","3","6","7","7","6","6","1") = "6"
    & skf21("7","3","6","7","7","6","7","1") = "6"
    & skf21("7","3","6","7","7","7","1","1") = "6"
    & skf21("7","3","6","7","7","7","2","1") = "6"
    & skf21("7","3","6","7","7","7","3","1") = "6"
    & skf21("7","3","6","7","7","7","4","1") = "6"
    & skf21("7","3","6","7","7","7","5","1") = "6"
    & skf21("7","3","6","7","7","7","6","1") = "6"
    & skf21("7","3","6","7","7","7","7","1") = "6"
    & skf21("7","3","7","1","1","1","1","1") = "6"
    & skf21("7","3","7","1","1","1","2","1") = "6"
    & skf21("7","3","7","1","1","1","3","1") = "6"
    & skf21("7","3","7","1","1","1","4","1") = "6"
    & skf21("7","3","7","1","1","1","5","1") = "6"
    & skf21("7","3","7","1","1","1","6","1") = "6"
    & skf21("7","3","7","1","1","1","7","1") = "6"
    & skf21("7","3","7","1","1","2","1","1") = "6"
    & skf21("7","3","7","1","1","2","2","1") = "6"
    & skf21("7","3","7","1","1","2","3","1") = "6"
    & skf21("7","3","7","1","1","2","4","1") = "6"
    & skf21("7","3","7","1","1","2","5","1") = "6"
    & skf21("7","3","7","1","1","2","6","1") = "6"
    & skf21("7","3","7","1","1","2","7","1") = "6"
    & skf21("7","3","7","1","1","3","1","1") = "6"
    & skf21("7","3","7","1","1","3","2","1") = "6"
    & skf21("7","3","7","1","1","3","3","1") = "6"
    & skf21("7","3","7","1","1","3","4","1") = "6"
    & skf21("7","3","7","1","1","3","5","1") = "6"
    & skf21("7","3","7","1","1","3","6","1") = "6"
    & skf21("7","3","7","1","1","3","7","1") = "6"
    & skf21("7","3","7","1","1","4","1","1") = "6"
    & skf21("7","3","7","1","1","4","2","1") = "6"
    & skf21("7","3","7","1","1","4","3","1") = "6"
    & skf21("7","3","7","1","1","4","4","1") = "6"
    & skf21("7","3","7","1","1","4","5","1") = "6"
    & skf21("7","3","7","1","1","4","6","1") = "6"
    & skf21("7","3","7","1","1","4","7","1") = "6"
    & skf21("7","3","7","1","1","5","1","1") = "6"
    & skf21("7","3","7","1","1","5","2","1") = "6"
    & skf21("7","3","7","1","1","5","3","1") = "6"
    & skf21("7","3","7","1","1","5","4","1") = "6"
    & skf21("7","3","7","1","1","5","5","1") = "6"
    & skf21("7","3","7","1","1","5","6","1") = "6"
    & skf21("7","3","7","1","1","5","7","1") = "6"
    & skf21("7","3","7","1","1","6","1","1") = "6"
    & skf21("7","3","7","1","1","6","2","1") = "6"
    & skf21("7","3","7","1","1","6","3","1") = "6"
    & skf21("7","3","7","1","1","6","4","1") = "6"
    & skf21("7","3","7","1","1","6","5","1") = "6"
    & skf21("7","3","7","1","1","6","6","1") = "6"
    & skf21("7","3","7","1","1","6","7","1") = "6"
    & skf21("7","3","7","1","1","7","1","1") = "6"
    & skf21("7","3","7","1","1","7","2","1") = "6"
    & skf21("7","3","7","1","1","7","3","1") = "6"
    & skf21("7","3","7","1","1","7","4","1") = "6"
    & skf21("7","3","7","1","1","7","5","1") = "6"
    & skf21("7","3","7","1","1","7","6","1") = "6"
    & skf21("7","3","7","1","1","7","7","1") = "6"
    & skf21("7","3","7","1","2","1","1","1") = "6"
    & skf21("7","3","7","1","2","1","2","1") = "6"
    & skf21("7","3","7","1","2","1","3","1") = "6"
    & skf21("7","3","7","1","2","1","4","1") = "6"
    & skf21("7","3","7","1","2","1","5","1") = "6"
    & skf21("7","3","7","1","2","1","6","1") = "6"
    & skf21("7","3","7","1","2","1","7","1") = "6"
    & skf21("7","3","7","1","2","2","1","1") = "6"
    & skf21("7","3","7","1","2","2","2","1") = "6"
    & skf21("7","3","7","1","2","2","3","1") = "6"
    & skf21("7","3","7","1","2","2","4","1") = "6"
    & skf21("7","3","7","1","2","2","5","1") = "6"
    & skf21("7","3","7","1","2","2","6","1") = "6"
    & skf21("7","3","7","1","2","2","7","1") = "6"
    & skf21("7","3","7","1","2","3","1","1") = "6"
    & skf21("7","3","7","1","2","3","2","1") = "6"
    & skf21("7","3","7","1","2","3","3","1") = "6"
    & skf21("7","3","7","1","2","3","4","1") = "6"
    & skf21("7","3","7","1","2","3","5","1") = "6"
    & skf21("7","3","7","1","2","3","6","1") = "6"
    & skf21("7","3","7","1","2","3","7","1") = "6"
    & skf21("7","3","7","1","2","4","1","1") = "6"
    & skf21("7","3","7","1","2","4","2","1") = "6"
    & skf21("7","3","7","1","2","4","3","1") = "6"
    & skf21("7","3","7","1","2","4","4","1") = "6"
    & skf21("7","3","7","1","2","4","5","1") = "6"
    & skf21("7","3","7","1","2","4","6","1") = "6"
    & skf21("7","3","7","1","2","4","7","1") = "6"
    & skf21("7","3","7","1","2","5","1","1") = "6"
    & skf21("7","3","7","1","2","5","2","1") = "6"
    & skf21("7","3","7","1","2","5","3","1") = "6"
    & skf21("7","3","7","1","2","5","4","1") = "6"
    & skf21("7","3","7","1","2","5","5","1") = "6"
    & skf21("7","3","7","1","2","5","6","1") = "6"
    & skf21("7","3","7","1","2","5","7","1") = "6"
    & skf21("7","3","7","1","2","6","1","1") = "6"
    & skf21("7","3","7","1","2","6","2","1") = "6"
    & skf21("7","3","7","1","2","6","3","1") = "6"
    & skf21("7","3","7","1","2","6","4","1") = "6"
    & skf21("7","3","7","1","2","6","5","1") = "6"
    & skf21("7","3","7","1","2","6","6","1") = "6"
    & skf21("7","3","7","1","2","6","7","1") = "6"
    & skf21("7","3","7","1","2","7","1","1") = "6"
    & skf21("7","3","7","1","2","7","2","1") = "6"
    & skf21("7","3","7","1","2","7","3","1") = "6"
    & skf21("7","3","7","1","2","7","4","1") = "6"
    & skf21("7","3","7","1","2","7","5","1") = "6"
    & skf21("7","3","7","1","2","7","6","1") = "6"
    & skf21("7","3","7","1","2","7","7","1") = "6"
    & skf21("7","3","7","1","3","1","1","1") = "6"
    & skf21("7","3","7","1","3","1","2","1") = "6"
    & skf21("7","3","7","1","3","1","3","1") = "6"
    & skf21("7","3","7","1","3","1","4","1") = "6"
    & skf21("7","3","7","1","3","1","5","1") = "6"
    & skf21("7","3","7","1","3","1","6","1") = "6"
    & skf21("7","3","7","1","3","1","7","1") = "6"
    & skf21("7","3","7","1","3","2","1","1") = "6"
    & skf21("7","3","7","1","3","2","2","1") = "6"
    & skf21("7","3","7","1","3","2","3","1") = "6"
    & skf21("7","3","7","1","3","2","4","1") = "6"
    & skf21("7","3","7","1","3","2","5","1") = "6"
    & skf21("7","3","7","1","3","2","6","1") = "6"
    & skf21("7","3","7","1","3","2","7","1") = "6"
    & skf21("7","3","7","1","3","3","1","1") = "6"
    & skf21("7","3","7","1","3","3","2","1") = "6"
    & skf21("7","3","7","1","3","3","3","1") = "6"
    & skf21("7","3","7","1","3","3","4","1") = "6"
    & skf21("7","3","7","1","3","3","5","1") = "6"
    & skf21("7","3","7","1","3","3","6","1") = "6"
    & skf21("7","3","7","1","3","3","7","1") = "6"
    & skf21("7","3","7","1","3","4","1","1") = "6"
    & skf21("7","3","7","1","3","4","2","1") = "6"
    & skf21("7","3","7","1","3","4","3","1") = "6"
    & skf21("7","3","7","1","3","4","4","1") = "6"
    & skf21("7","3","7","1","3","4","5","1") = "6"
    & skf21("7","3","7","1","3","4","6","1") = "6"
    & skf21("7","3","7","1","3","4","7","1") = "6"
    & skf21("7","3","7","1","3","5","1","1") = "6"
    & skf21("7","3","7","1","3","5","2","1") = "6"
    & skf21("7","3","7","1","3","5","3","1") = "6"
    & skf21("7","3","7","1","3","5","4","1") = "6"
    & skf21("7","3","7","1","3","5","5","1") = "6"
    & skf21("7","3","7","1","3","5","6","1") = "6"
    & skf21("7","3","7","1","3","5","7","1") = "6"
    & skf21("7","3","7","1","3","6","1","1") = "6"
    & skf21("7","3","7","1","3","6","2","1") = "6"
    & skf21("7","3","7","1","3","6","3","1") = "6"
    & skf21("7","3","7","1","3","6","4","1") = "6"
    & skf21("7","3","7","1","3","6","5","1") = "6"
    & skf21("7","3","7","1","3","6","6","1") = "6"
    & skf21("7","3","7","1","3","6","7","1") = "6"
    & skf21("7","3","7","1","3","7","1","1") = "6"
    & skf21("7","3","7","1","3","7","2","1") = "6"
    & skf21("7","3","7","1","3","7","3","1") = "6"
    & skf21("7","3","7","1","3","7","4","1") = "6"
    & skf21("7","3","7","1","3","7","5","1") = "6"
    & skf21("7","3","7","1","3","7","6","1") = "6"
    & skf21("7","3","7","1","3","7","7","1") = "6"
    & skf21("7","3","7","1","4","1","1","1") = "6"
    & skf21("7","3","7","1","4","1","2","1") = "6"
    & skf21("7","3","7","1","4","1","3","1") = "6"
    & skf21("7","3","7","1","4","1","4","1") = "6"
    & skf21("7","3","7","1","4","1","5","1") = "6"
    & skf21("7","3","7","1","4","1","6","1") = "6"
    & skf21("7","3","7","1","4","1","7","1") = "6"
    & skf21("7","3","7","1","4","2","1","1") = "6"
    & skf21("7","3","7","1","4","2","2","1") = "6"
    & skf21("7","3","7","1","4","2","3","1") = "6"
    & skf21("7","3","7","1","4","2","4","1") = "6"
    & skf21("7","3","7","1","4","2","5","1") = "6"
    & skf21("7","3","7","1","4","2","6","1") = "6"
    & skf21("7","3","7","1","4","2","7","1") = "6"
    & skf21("7","3","7","1","4","3","1","1") = "6"
    & skf21("7","3","7","1","4","3","2","1") = "6"
    & skf21("7","3","7","1","4","3","3","1") = "6"
    & skf21("7","3","7","1","4","3","4","1") = "6"
    & skf21("7","3","7","1","4","3","5","1") = "6"
    & skf21("7","3","7","1","4","3","6","1") = "6"
    & skf21("7","3","7","1","4","3","7","1") = "6"
    & skf21("7","3","7","1","4","4","1","1") = "6"
    & skf21("7","3","7","1","4","4","2","1") = "6"
    & skf21("7","3","7","1","4","4","3","1") = "6"
    & skf21("7","3","7","1","4","4","4","1") = "6"
    & skf21("7","3","7","1","4","4","5","1") = "6"
    & skf21("7","3","7","1","4","4","6","1") = "6"
    & skf21("7","3","7","1","4","4","7","1") = "6"
    & skf21("7","3","7","1","4","5","1","1") = "6"
    & skf21("7","3","7","1","4","5","2","1") = "6"
    & skf21("7","3","7","1","4","5","3","1") = "6"
    & skf21("7","3","7","1","4","5","4","1") = "6"
    & skf21("7","3","7","1","4","5","5","1") = "6"
    & skf21("7","3","7","1","4","5","6","1") = "6"
    & skf21("7","3","7","1","4","5","7","1") = "6"
    & skf21("7","3","7","1","4","6","1","1") = "6"
    & skf21("7","3","7","1","4","6","2","1") = "6"
    & skf21("7","3","7","1","4","6","3","1") = "6"
    & skf21("7","3","7","1","4","6","4","1") = "6"
    & skf21("7","3","7","1","4","6","5","1") = "6"
    & skf21("7","3","7","1","4","6","6","1") = "6"
    & skf21("7","3","7","1","4","6","7","1") = "6"
    & skf21("7","3","7","1","4","7","1","1") = "6"
    & skf21("7","3","7","1","4","7","2","1") = "6"
    & skf21("7","3","7","1","4","7","3","1") = "6"
    & skf21("7","3","7","1","4","7","4","1") = "6"
    & skf21("7","3","7","1","4","7","5","1") = "6"
    & skf21("7","3","7","1","4","7","6","1") = "6"
    & skf21("7","3","7","1","4","7","7","1") = "6"
    & skf21("7","3","7","1","5","1","1","1") = "6"
    & skf21("7","3","7","1","5","1","2","1") = "6"
    & skf21("7","3","7","1","5","1","3","1") = "6"
    & skf21("7","3","7","1","5","1","4","1") = "6"
    & skf21("7","3","7","1","5","1","5","1") = "6"
    & skf21("7","3","7","1","5","1","6","1") = "6"
    & skf21("7","3","7","1","5","1","7","1") = "6"
    & skf21("7","3","7","1","5","2","1","1") = "6"
    & skf21("7","3","7","1","5","2","2","1") = "6"
    & skf21("7","3","7","1","5","2","3","1") = "6"
    & skf21("7","3","7","1","5","2","4","1") = "6"
    & skf21("7","3","7","1","5","2","5","1") = "6"
    & skf21("7","3","7","1","5","2","6","1") = "6"
    & skf21("7","3","7","1","5","2","7","1") = "6"
    & skf21("7","3","7","1","5","3","1","1") = "6"
    & skf21("7","3","7","1","5","3","2","1") = "6"
    & skf21("7","3","7","1","5","3","3","1") = "6"
    & skf21("7","3","7","1","5","3","4","1") = "6"
    & skf21("7","3","7","1","5","3","5","1") = "6"
    & skf21("7","3","7","1","5","3","6","1") = "6"
    & skf21("7","3","7","1","5","3","7","1") = "6"
    & skf21("7","3","7","1","5","4","1","1") = "6"
    & skf21("7","3","7","1","5","4","2","1") = "6"
    & skf21("7","3","7","1","5","4","3","1") = "6"
    & skf21("7","3","7","1","5","4","4","1") = "6"
    & skf21("7","3","7","1","5","4","5","1") = "6"
    & skf21("7","3","7","1","5","4","6","1") = "6"
    & skf21("7","3","7","1","5","4","7","1") = "6"
    & skf21("7","3","7","1","5","5","1","1") = "6"
    & skf21("7","3","7","1","5","5","2","1") = "6"
    & skf21("7","3","7","1","5","5","3","1") = "6"
    & skf21("7","3","7","1","5","5","4","1") = "6"
    & skf21("7","3","7","1","5","5","5","1") = "6"
    & skf21("7","3","7","1","5","5","6","1") = "6"
    & skf21("7","3","7","1","5","5","7","1") = "6"
    & skf21("7","3","7","1","5","6","1","1") = "6"
    & skf21("7","3","7","1","5","6","2","1") = "6"
    & skf21("7","3","7","1","5","6","3","1") = "6"
    & skf21("7","3","7","1","5","6","4","1") = "6"
    & skf21("7","3","7","1","5","6","5","1") = "6"
    & skf21("7","3","7","1","5","6","6","1") = "6"
    & skf21("7","3","7","1","5","6","7","1") = "6"
    & skf21("7","3","7","1","5","7","1","1") = "6"
    & skf21("7","3","7","1","5","7","2","1") = "6"
    & skf21("7","3","7","1","5","7","3","1") = "6"
    & skf21("7","3","7","1","5","7","4","1") = "6"
    & skf21("7","3","7","1","5","7","5","1") = "6"
    & skf21("7","3","7","1","5","7","6","1") = "6"
    & skf21("7","3","7","1","5","7","7","1") = "6"
    & skf21("7","3","7","1","6","1","1","1") = "6"
    & skf21("7","3","7","1","6","1","2","1") = "6"
    & skf21("7","3","7","1","6","1","3","1") = "6"
    & skf21("7","3","7","1","6","1","4","1") = "6"
    & skf21("7","3","7","1","6","1","5","1") = "6"
    & skf21("7","3","7","1","6","1","6","1") = "6"
    & skf21("7","3","7","1","6","1","7","1") = "6"
    & skf21("7","3","7","1","6","2","1","1") = "6"
    & skf21("7","3","7","1","6","2","2","1") = "6"
    & skf21("7","3","7","1","6","2","3","1") = "6"
    & skf21("7","3","7","1","6","2","4","1") = "6"
    & skf21("7","3","7","1","6","2","5","1") = "6"
    & skf21("7","3","7","1","6","2","6","1") = "6"
    & skf21("7","3","7","1","6","2","7","1") = "6"
    & skf21("7","3","7","1","6","3","1","1") = "6"
    & skf21("7","3","7","1","6","3","2","1") = "6"
    & skf21("7","3","7","1","6","3","3","1") = "6"
    & skf21("7","3","7","1","6","3","4","1") = "6"
    & skf21("7","3","7","1","6","3","5","1") = "6"
    & skf21("7","3","7","1","6","3","6","1") = "6"
    & skf21("7","3","7","1","6","3","7","1") = "6"
    & skf21("7","3","7","1","6","4","1","1") = "6"
    & skf21("7","3","7","1","6","4","2","1") = "6"
    & skf21("7","3","7","1","6","4","3","1") = "6"
    & skf21("7","3","7","1","6","4","4","1") = "6"
    & skf21("7","3","7","1","6","4","5","1") = "6"
    & skf21("7","3","7","1","6","4","6","1") = "6"
    & skf21("7","3","7","1","6","4","7","1") = "6"
    & skf21("7","3","7","1","6","5","1","1") = "6"
    & skf21("7","3","7","1","6","5","2","1") = "6"
    & skf21("7","3","7","1","6","5","3","1") = "6"
    & skf21("7","3","7","1","6","5","4","1") = "6"
    & skf21("7","3","7","1","6","5","5","1") = "6"
    & skf21("7","3","7","1","6","5","6","1") = "6"
    & skf21("7","3","7","1","6","5","7","1") = "6"
    & skf21("7","3","7","1","6","6","1","1") = "6"
    & skf21("7","3","7","1","6","6","2","1") = "6"
    & skf21("7","3","7","1","6","6","3","1") = "6"
    & skf21("7","3","7","1","6","6","4","1") = "6"
    & skf21("7","3","7","1","6","6","5","1") = "6"
    & skf21("7","3","7","1","6","6","6","1") = "6"
    & skf21("7","3","7","1","6","6","7","1") = "6"
    & skf21("7","3","7","1","6","7","1","1") = "6"
    & skf21("7","3","7","1","6","7","2","1") = "6"
    & skf21("7","3","7","1","6","7","3","1") = "6"
    & skf21("7","3","7","1","6","7","4","1") = "6"
    & skf21("7","3","7","1","6","7","5","1") = "6"
    & skf21("7","3","7","1","6","7","6","1") = "6"
    & skf21("7","3","7","1","6","7","7","1") = "6"
    & skf21("7","3","7","1","7","1","1","1") = "6"
    & skf21("7","3","7","1","7","1","2","1") = "6"
    & skf21("7","3","7","1","7","1","3","1") = "6"
    & skf21("7","3","7","1","7","1","4","1") = "6"
    & skf21("7","3","7","1","7","1","5","1") = "6"
    & skf21("7","3","7","1","7","1","6","1") = "6"
    & skf21("7","3","7","1","7","1","7","1") = "6"
    & skf21("7","3","7","1","7","2","1","1") = "6"
    & skf21("7","3","7","1","7","2","2","1") = "6"
    & skf21("7","3","7","1","7","2","3","1") = "6"
    & skf21("7","3","7","1","7","2","4","1") = "6"
    & skf21("7","3","7","1","7","2","5","1") = "6"
    & skf21("7","3","7","1","7","2","6","1") = "6"
    & skf21("7","3","7","1","7","2","7","1") = "6"
    & skf21("7","3","7","1","7","3","1","1") = "6"
    & skf21("7","3","7","1","7","3","2","1") = "6"
    & skf21("7","3","7","1","7","3","3","1") = "6"
    & skf21("7","3","7","1","7","3","4","1") = "6"
    & skf21("7","3","7","1","7","3","5","1") = "6"
    & skf21("7","3","7","1","7","3","6","1") = "6"
    & skf21("7","3","7","1","7","3","7","1") = "6"
    & skf21("7","3","7","1","7","4","1","1") = "6"
    & skf21("7","3","7","1","7","4","2","1") = "6"
    & skf21("7","3","7","1","7","4","3","1") = "6"
    & skf21("7","3","7","1","7","4","4","1") = "6"
    & skf21("7","3","7","1","7","4","5","1") = "6"
    & skf21("7","3","7","1","7","4","6","1") = "6"
    & skf21("7","3","7","1","7","4","7","1") = "6"
    & skf21("7","3","7","1","7","5","1","1") = "6"
    & skf21("7","3","7","1","7","5","2","1") = "6"
    & skf21("7","3","7","1","7","5","3","1") = "6"
    & skf21("7","3","7","1","7","5","4","1") = "6"
    & skf21("7","3","7","1","7","5","5","1") = "6"
    & skf21("7","3","7","1","7","5","6","1") = "6"
    & skf21("7","3","7","1","7","5","7","1") = "6"
    & skf21("7","3","7","1","7","6","1","1") = "6"
    & skf21("7","3","7","1","7","6","2","1") = "6"
    & skf21("7","3","7","1","7","6","3","1") = "6"
    & skf21("7","3","7","1","7","6","4","1") = "6"
    & skf21("7","3","7","1","7","6","5","1") = "6"
    & skf21("7","3","7","1","7","6","6","1") = "6"
    & skf21("7","3","7","1","7","6","7","1") = "6"
    & skf21("7","3","7","1","7","7","1","1") = "6"
    & skf21("7","3","7","1","7","7","2","1") = "6"
    & skf21("7","3","7","1","7","7","3","1") = "6"
    & skf21("7","3","7","1","7","7","4","1") = "6"
    & skf21("7","3","7","1","7","7","5","1") = "6"
    & skf21("7","3","7","1","7","7","6","1") = "6"
    & skf21("7","3","7","1","7","7","7","1") = "6"
    & skf21("7","3","7","2","1","1","1","1") = "6"
    & skf21("7","3","7","2","1","1","2","1") = "6"
    & skf21("7","3","7","2","1","1","3","1") = "6"
    & skf21("7","3","7","2","1","1","4","1") = "6"
    & skf21("7","3","7","2","1","1","5","1") = "6"
    & skf21("7","3","7","2","1","1","6","1") = "6"
    & skf21("7","3","7","2","1","1","7","1") = "6"
    & skf21("7","3","7","2","1","2","1","1") = "6"
    & skf21("7","3","7","2","1","2","2","1") = "6"
    & skf21("7","3","7","2","1","2","3","1") = "6"
    & skf21("7","3","7","2","1","2","4","1") = "6"
    & skf21("7","3","7","2","1","2","5","1") = "6"
    & skf21("7","3","7","2","1","2","6","1") = "6"
    & skf21("7","3","7","2","1","2","7","1") = "6"
    & skf21("7","3","7","2","1","3","1","1") = "6"
    & skf21("7","3","7","2","1","3","2","1") = "6"
    & skf21("7","3","7","2","1","3","3","1") = "6"
    & skf21("7","3","7","2","1","3","4","1") = "6"
    & skf21("7","3","7","2","1","3","5","1") = "6"
    & skf21("7","3","7","2","1","3","6","1") = "6"
    & skf21("7","3","7","2","1","3","7","1") = "6"
    & skf21("7","3","7","2","1","4","1","1") = "6"
    & skf21("7","3","7","2","1","4","2","1") = "6"
    & skf21("7","3","7","2","1","4","3","1") = "6"
    & skf21("7","3","7","2","1","4","4","1") = "6"
    & skf21("7","3","7","2","1","4","5","1") = "6"
    & skf21("7","3","7","2","1","4","6","1") = "6"
    & skf21("7","3","7","2","1","4","7","1") = "6"
    & skf21("7","3","7","2","1","5","1","1") = "6"
    & skf21("7","3","7","2","1","5","2","1") = "6"
    & skf21("7","3","7","2","1","5","3","1") = "6"
    & skf21("7","3","7","2","1","5","4","1") = "6"
    & skf21("7","3","7","2","1","5","5","1") = "6"
    & skf21("7","3","7","2","1","5","6","1") = "6"
    & skf21("7","3","7","2","1","5","7","1") = "6"
    & skf21("7","3","7","2","1","6","1","1") = "6"
    & skf21("7","3","7","2","1","6","2","1") = "6"
    & skf21("7","3","7","2","1","6","3","1") = "6"
    & skf21("7","3","7","2","1","6","4","1") = "6"
    & skf21("7","3","7","2","1","6","5","1") = "6"
    & skf21("7","3","7","2","1","6","6","1") = "6"
    & skf21("7","3","7","2","1","6","7","1") = "6"
    & skf21("7","3","7","2","1","7","1","1") = "6"
    & skf21("7","3","7","2","1","7","2","1") = "6"
    & skf21("7","3","7","2","1","7","3","1") = "6"
    & skf21("7","3","7","2","1","7","4","1") = "6"
    & skf21("7","3","7","2","1","7","5","1") = "6"
    & skf21("7","3","7","2","1","7","6","1") = "6"
    & skf21("7","3","7","2","1","7","7","1") = "6"
    & skf21("7","3","7","2","2","1","1","1") = "6"
    & skf21("7","3","7","2","2","1","2","1") = "6"
    & skf21("7","3","7","2","2","1","3","1") = "6"
    & skf21("7","3","7","2","2","1","4","1") = "6"
    & skf21("7","3","7","2","2","1","5","1") = "6"
    & skf21("7","3","7","2","2","1","6","1") = "6"
    & skf21("7","3","7","2","2","1","7","1") = "6"
    & skf21("7","3","7","2","2","2","1","1") = "6"
    & skf21("7","3","7","2","2","2","2","1") = "6"
    & skf21("7","3","7","2","2","2","3","1") = "6"
    & skf21("7","3","7","2","2","2","4","1") = "6"
    & skf21("7","3","7","2","2","2","5","1") = "6"
    & skf21("7","3","7","2","2","2","6","1") = "6"
    & skf21("7","3","7","2","2","2","7","1") = "6"
    & skf21("7","3","7","2","2","3","1","1") = "6"
    & skf21("7","3","7","2","2","3","2","1") = "6"
    & skf21("7","3","7","2","2","3","3","1") = "6"
    & skf21("7","3","7","2","2","3","4","1") = "6"
    & skf21("7","3","7","2","2","3","5","1") = "6"
    & skf21("7","3","7","2","2","3","6","1") = "6"
    & skf21("7","3","7","2","2","3","7","1") = "6"
    & skf21("7","3","7","2","2","4","1","1") = "6"
    & skf21("7","3","7","2","2","4","2","1") = "6"
    & skf21("7","3","7","2","2","4","3","1") = "6"
    & skf21("7","3","7","2","2","4","4","1") = "6"
    & skf21("7","3","7","2","2","4","5","1") = "6"
    & skf21("7","3","7","2","2","4","6","1") = "6"
    & skf21("7","3","7","2","2","4","7","1") = "6"
    & skf21("7","3","7","2","2","5","1","1") = "6"
    & skf21("7","3","7","2","2","5","2","1") = "6"
    & skf21("7","3","7","2","2","5","3","1") = "6"
    & skf21("7","3","7","2","2","5","4","1") = "6"
    & skf21("7","3","7","2","2","5","5","1") = "6"
    & skf21("7","3","7","2","2","5","6","1") = "6"
    & skf21("7","3","7","2","2","5","7","1") = "6"
    & skf21("7","3","7","2","2","6","1","1") = "6"
    & skf21("7","3","7","2","2","6","2","1") = "6"
    & skf21("7","3","7","2","2","6","3","1") = "6"
    & skf21("7","3","7","2","2","6","4","1") = "6"
    & skf21("7","3","7","2","2","6","5","1") = "6"
    & skf21("7","3","7","2","2","6","6","1") = "6"
    & skf21("7","3","7","2","2","6","7","1") = "6"
    & skf21("7","3","7","2","2","7","1","1") = "6"
    & skf21("7","3","7","2","2","7","2","1") = "6"
    & skf21("7","3","7","2","2","7","3","1") = "6"
    & skf21("7","3","7","2","2","7","4","1") = "6"
    & skf21("7","3","7","2","2","7","5","1") = "6"
    & skf21("7","3","7","2","2","7","6","1") = "6"
    & skf21("7","3","7","2","2","7","7","1") = "6"
    & skf21("7","3","7","2","3","1","1","1") = "6"
    & skf21("7","3","7","2","3","1","2","1") = "6"
    & skf21("7","3","7","2","3","1","3","1") = "6"
    & skf21("7","3","7","2","3","1","4","1") = "6"
    & skf21("7","3","7","2","3","1","5","1") = "6"
    & skf21("7","3","7","2","3","1","6","1") = "6"
    & skf21("7","3","7","2","3","1","7","1") = "6"
    & skf21("7","3","7","2","3","2","1","1") = "6"
    & skf21("7","3","7","2","3","2","2","1") = "6"
    & skf21("7","3","7","2","3","2","3","1") = "6"
    & skf21("7","3","7","2","3","2","4","1") = "6"
    & skf21("7","3","7","2","3","2","5","1") = "6"
    & skf21("7","3","7","2","3","2","6","1") = "6"
    & skf21("7","3","7","2","3","2","7","1") = "6"
    & skf21("7","3","7","2","3","3","1","1") = "6"
    & skf21("7","3","7","2","3","3","2","1") = "6"
    & skf21("7","3","7","2","3","3","3","1") = "6"
    & skf21("7","3","7","2","3","3","4","1") = "6"
    & skf21("7","3","7","2","3","3","5","1") = "6"
    & skf21("7","3","7","2","3","3","6","1") = "6"
    & skf21("7","3","7","2","3","3","7","1") = "6"
    & skf21("7","3","7","2","3","4","1","1") = "6"
    & skf21("7","3","7","2","3","4","2","1") = "6"
    & skf21("7","3","7","2","3","4","3","1") = "6"
    & skf21("7","3","7","2","3","4","4","1") = "6"
    & skf21("7","3","7","2","3","4","5","1") = "6"
    & skf21("7","3","7","2","3","4","6","1") = "6"
    & skf21("7","3","7","2","3","4","7","1") = "6"
    & skf21("7","3","7","2","3","5","1","1") = "6"
    & skf21("7","3","7","2","3","5","2","1") = "6"
    & skf21("7","3","7","2","3","5","3","1") = "6"
    & skf21("7","3","7","2","3","5","4","1") = "6"
    & skf21("7","3","7","2","3","5","5","1") = "6"
    & skf21("7","3","7","2","3","5","6","1") = "6"
    & skf21("7","3","7","2","3","5","7","1") = "6"
    & skf21("7","3","7","2","3","6","1","1") = "6"
    & skf21("7","3","7","2","3","6","2","1") = "6"
    & skf21("7","3","7","2","3","6","3","1") = "6"
    & skf21("7","3","7","2","3","6","4","1") = "6"
    & skf21("7","3","7","2","3","6","5","1") = "6"
    & skf21("7","3","7","2","3","6","6","1") = "6"
    & skf21("7","3","7","2","3","6","7","1") = "6"
    & skf21("7","3","7","2","3","7","1","1") = "6"
    & skf21("7","3","7","2","3","7","2","1") = "6"
    & skf21("7","3","7","2","3","7","3","1") = "6"
    & skf21("7","3","7","2","3","7","4","1") = "6"
    & skf21("7","3","7","2","3","7","5","1") = "6"
    & skf21("7","3","7","2","3","7","6","1") = "6"
    & skf21("7","3","7","2","3","7","7","1") = "6"
    & skf21("7","3","7","2","4","1","1","1") = "6"
    & skf21("7","3","7","2","4","1","2","1") = "6"
    & skf21("7","3","7","2","4","1","3","1") = "6"
    & skf21("7","3","7","2","4","1","4","1") = "6"
    & skf21("7","3","7","2","4","1","5","1") = "6"
    & skf21("7","3","7","2","4","1","6","1") = "6"
    & skf21("7","3","7","2","4","1","7","1") = "6"
    & skf21("7","3","7","2","4","2","1","1") = "6"
    & skf21("7","3","7","2","4","2","2","1") = "6"
    & skf21("7","3","7","2","4","2","3","1") = "6"
    & skf21("7","3","7","2","4","2","4","1") = "6"
    & skf21("7","3","7","2","4","2","5","1") = "6"
    & skf21("7","3","7","2","4","2","6","1") = "6"
    & skf21("7","3","7","2","4","2","7","1") = "6"
    & skf21("7","3","7","2","4","3","1","1") = "6"
    & skf21("7","3","7","2","4","3","2","1") = "6"
    & skf21("7","3","7","2","4","3","3","1") = "6"
    & skf21("7","3","7","2","4","3","4","1") = "6"
    & skf21("7","3","7","2","4","3","5","1") = "6"
    & skf21("7","3","7","2","4","3","6","1") = "6"
    & skf21("7","3","7","2","4","3","7","1") = "6"
    & skf21("7","3","7","2","4","4","1","1") = "6"
    & skf21("7","3","7","2","4","4","2","1") = "6"
    & skf21("7","3","7","2","4","4","3","1") = "6"
    & skf21("7","3","7","2","4","4","4","1") = "6"
    & skf21("7","3","7","2","4","4","5","1") = "6"
    & skf21("7","3","7","2","4","4","6","1") = "6"
    & skf21("7","3","7","2","4","4","7","1") = "6"
    & skf21("7","3","7","2","4","5","1","1") = "6"
    & skf21("7","3","7","2","4","5","2","1") = "6"
    & skf21("7","3","7","2","4","5","3","1") = "6"
    & skf21("7","3","7","2","4","5","4","1") = "6"
    & skf21("7","3","7","2","4","5","5","1") = "6"
    & skf21("7","3","7","2","4","5","6","1") = "6"
    & skf21("7","3","7","2","4","5","7","1") = "6"
    & skf21("7","3","7","2","4","6","1","1") = "6"
    & skf21("7","3","7","2","4","6","2","1") = "6"
    & skf21("7","3","7","2","4","6","3","1") = "6"
    & skf21("7","3","7","2","4","6","4","1") = "6"
    & skf21("7","3","7","2","4","6","5","1") = "6"
    & skf21("7","3","7","2","4","6","6","1") = "6"
    & skf21("7","3","7","2","4","6","7","1") = "6"
    & skf21("7","3","7","2","4","7","1","1") = "6"
    & skf21("7","3","7","2","4","7","2","1") = "6"
    & skf21("7","3","7","2","4","7","3","1") = "6"
    & skf21("7","3","7","2","4","7","4","1") = "6"
    & skf21("7","3","7","2","4","7","5","1") = "6"
    & skf21("7","3","7","2","4","7","6","1") = "6"
    & skf21("7","3","7","2","4","7","7","1") = "6"
    & skf21("7","3","7","2","5","1","1","1") = "6"
    & skf21("7","3","7","2","5","1","2","1") = "6"
    & skf21("7","3","7","2","5","1","3","1") = "6"
    & skf21("7","3","7","2","5","1","4","1") = "6"
    & skf21("7","3","7","2","5","1","5","1") = "6"
    & skf21("7","3","7","2","5","1","6","1") = "6"
    & skf21("7","3","7","2","5","1","7","1") = "6"
    & skf21("7","3","7","2","5","2","1","1") = "6"
    & skf21("7","3","7","2","5","2","2","1") = "6"
    & skf21("7","3","7","2","5","2","3","1") = "6"
    & skf21("7","3","7","2","5","2","4","1") = "6"
    & skf21("7","3","7","2","5","2","5","1") = "6"
    & skf21("7","3","7","2","5","2","6","1") = "6"
    & skf21("7","3","7","2","5","2","7","1") = "6"
    & skf21("7","3","7","2","5","3","1","1") = "6"
    & skf21("7","3","7","2","5","3","2","1") = "6"
    & skf21("7","3","7","2","5","3","3","1") = "6"
    & skf21("7","3","7","2","5","3","4","1") = "6"
    & skf21("7","3","7","2","5","3","5","1") = "6"
    & skf21("7","3","7","2","5","3","6","1") = "6"
    & skf21("7","3","7","2","5","3","7","1") = "6"
    & skf21("7","3","7","2","5","4","1","1") = "6"
    & skf21("7","3","7","2","5","4","2","1") = "6"
    & skf21("7","3","7","2","5","4","3","1") = "6"
    & skf21("7","3","7","2","5","4","4","1") = "6"
    & skf21("7","3","7","2","5","4","5","1") = "6"
    & skf21("7","3","7","2","5","4","6","1") = "6"
    & skf21("7","3","7","2","5","4","7","1") = "6"
    & skf21("7","3","7","2","5","5","1","1") = "6"
    & skf21("7","3","7","2","5","5","2","1") = "6"
    & skf21("7","3","7","2","5","5","3","1") = "6"
    & skf21("7","3","7","2","5","5","4","1") = "6"
    & skf21("7","3","7","2","5","5","5","1") = "6"
    & skf21("7","3","7","2","5","5","6","1") = "6"
    & skf21("7","3","7","2","5","5","7","1") = "6"
    & skf21("7","3","7","2","5","6","1","1") = "6"
    & skf21("7","3","7","2","5","6","2","1") = "6"
    & skf21("7","3","7","2","5","6","3","1") = "6"
    & skf21("7","3","7","2","5","6","4","1") = "6"
    & skf21("7","3","7","2","5","6","5","1") = "6"
    & skf21("7","3","7","2","5","6","6","1") = "6"
    & skf21("7","3","7","2","5","6","7","1") = "6"
    & skf21("7","3","7","2","5","7","1","1") = "6"
    & skf21("7","3","7","2","5","7","2","1") = "6"
    & skf21("7","3","7","2","5","7","3","1") = "6"
    & skf21("7","3","7","2","5","7","4","1") = "6"
    & skf21("7","3","7","2","5","7","5","1") = "6"
    & skf21("7","3","7","2","5","7","6","1") = "6"
    & skf21("7","3","7","2","5","7","7","1") = "6"
    & skf21("7","3","7","2","6","1","1","1") = "6"
    & skf21("7","3","7","2","6","1","2","1") = "6"
    & skf21("7","3","7","2","6","1","3","1") = "6"
    & skf21("7","3","7","2","6","1","4","1") = "6"
    & skf21("7","3","7","2","6","1","5","1") = "6"
    & skf21("7","3","7","2","6","1","6","1") = "6"
    & skf21("7","3","7","2","6","1","7","1") = "6"
    & skf21("7","3","7","2","6","2","1","1") = "6"
    & skf21("7","3","7","2","6","2","2","1") = "6"
    & skf21("7","3","7","2","6","2","3","1") = "6"
    & skf21("7","3","7","2","6","2","4","1") = "6"
    & skf21("7","3","7","2","6","2","5","1") = "6"
    & skf21("7","3","7","2","6","2","6","1") = "6"
    & skf21("7","3","7","2","6","2","7","1") = "6"
    & skf21("7","3","7","2","6","3","1","1") = "6"
    & skf21("7","3","7","2","6","3","2","1") = "6"
    & skf21("7","3","7","2","6","3","3","1") = "6"
    & skf21("7","3","7","2","6","3","4","1") = "6"
    & skf21("7","3","7","2","6","3","5","1") = "6"
    & skf21("7","3","7","2","6","3","6","1") = "6"
    & skf21("7","3","7","2","6","3","7","1") = "6"
    & skf21("7","3","7","2","6","4","1","1") = "6"
    & skf21("7","3","7","2","6","4","2","1") = "6"
    & skf21("7","3","7","2","6","4","3","1") = "6"
    & skf21("7","3","7","2","6","4","4","1") = "6"
    & skf21("7","3","7","2","6","4","5","1") = "6"
    & skf21("7","3","7","2","6","4","6","1") = "6"
    & skf21("7","3","7","2","6","4","7","1") = "6"
    & skf21("7","3","7","2","6","5","1","1") = "6"
    & skf21("7","3","7","2","6","5","2","1") = "6"
    & skf21("7","3","7","2","6","5","3","1") = "6"
    & skf21("7","3","7","2","6","5","4","1") = "6"
    & skf21("7","3","7","2","6","5","5","1") = "6"
    & skf21("7","3","7","2","6","5","6","1") = "6"
    & skf21("7","3","7","2","6","5","7","1") = "6"
    & skf21("7","3","7","2","6","6","1","1") = "6"
    & skf21("7","3","7","2","6","6","2","1") = "6"
    & skf21("7","3","7","2","6","6","3","1") = "6"
    & skf21("7","3","7","2","6","6","4","1") = "6"
    & skf21("7","3","7","2","6","6","5","1") = "6"
    & skf21("7","3","7","2","6","6","6","1") = "6"
    & skf21("7","3","7","2","6","6","7","1") = "6"
    & skf21("7","3","7","2","6","7","1","1") = "6"
    & skf21("7","3","7","2","6","7","2","1") = "6"
    & skf21("7","3","7","2","6","7","3","1") = "6"
    & skf21("7","3","7","2","6","7","4","1") = "6"
    & skf21("7","3","7","2","6","7","5","1") = "6"
    & skf21("7","3","7","2","6","7","6","1") = "6"
    & skf21("7","3","7","2","6","7","7","1") = "6"
    & skf21("7","3","7","2","7","1","1","1") = "6"
    & skf21("7","3","7","2","7","1","2","1") = "6"
    & skf21("7","3","7","2","7","1","3","1") = "6"
    & skf21("7","3","7","2","7","1","4","1") = "6"
    & skf21("7","3","7","2","7","1","5","1") = "6"
    & skf21("7","3","7","2","7","1","6","1") = "6"
    & skf21("7","3","7","2","7","1","7","1") = "6"
    & skf21("7","3","7","2","7","2","1","1") = "6"
    & skf21("7","3","7","2","7","2","2","1") = "6"
    & skf21("7","3","7","2","7","2","3","1") = "6"
    & skf21("7","3","7","2","7","2","4","1") = "6"
    & skf21("7","3","7","2","7","2","5","1") = "6"
    & skf21("7","3","7","2","7","2","6","1") = "6"
    & skf21("7","3","7","2","7","2","7","1") = "6"
    & skf21("7","3","7","2","7","3","1","1") = "6"
    & skf21("7","3","7","2","7","3","2","1") = "6"
    & skf21("7","3","7","2","7","3","3","1") = "6"
    & skf21("7","3","7","2","7","3","4","1") = "6"
    & skf21("7","3","7","2","7","3","5","1") = "6"
    & skf21("7","3","7","2","7","3","6","1") = "6"
    & skf21("7","3","7","2","7","3","7","1") = "6"
    & skf21("7","3","7","2","7","4","1","1") = "6"
    & skf21("7","3","7","2","7","4","2","1") = "6"
    & skf21("7","3","7","2","7","4","3","1") = "6"
    & skf21("7","3","7","2","7","4","4","1") = "6"
    & skf21("7","3","7","2","7","4","5","1") = "6"
    & skf21("7","3","7","2","7","4","6","1") = "6"
    & skf21("7","3","7","2","7","4","7","1") = "6"
    & skf21("7","3","7","2","7","5","1","1") = "6"
    & skf21("7","3","7","2","7","5","2","1") = "6"
    & skf21("7","3","7","2","7","5","3","1") = "6"
    & skf21("7","3","7","2","7","5","4","1") = "6"
    & skf21("7","3","7","2","7","5","5","1") = "6"
    & skf21("7","3","7","2","7","5","6","1") = "6"
    & skf21("7","3","7","2","7","5","7","1") = "6"
    & skf21("7","3","7","2","7","6","1","1") = "6"
    & skf21("7","3","7","2","7","6","2","1") = "6"
    & skf21("7","3","7","2","7","6","3","1") = "6"
    & skf21("7","3","7","2","7","6","4","1") = "6"
    & skf21("7","3","7","2","7","6","5","1") = "6"
    & skf21("7","3","7","2","7","6","6","1") = "6"
    & skf21("7","3","7","2","7","6","7","1") = "6"
    & skf21("7","3","7","2","7","7","1","1") = "6"
    & skf21("7","3","7","2","7","7","2","1") = "6"
    & skf21("7","3","7","2","7","7","3","1") = "6"
    & skf21("7","3","7","2","7","7","4","1") = "6"
    & skf21("7","3","7","2","7","7","5","1") = "6"
    & skf21("7","3","7","2","7","7","6","1") = "6"
    & skf21("7","3","7","2","7","7","7","1") = "6"
    & skf21("7","3","7","3","1","1","1","1") = "6"
    & skf21("7","3","7","3","1","1","2","1") = "6"
    & skf21("7","3","7","3","1","1","3","1") = "6"
    & skf21("7","3","7","3","1","1","4","1") = "6"
    & skf21("7","3","7","3","1","1","5","1") = "6"
    & skf21("7","3","7","3","1","1","6","1") = "6"
    & skf21("7","3","7","3","1","1","7","1") = "6"
    & skf21("7","3","7","3","1","2","1","1") = "6"
    & skf21("7","3","7","3","1","2","2","1") = "6"
    & skf21("7","3","7","3","1","2","3","1") = "6"
    & skf21("7","3","7","3","1","2","4","1") = "6"
    & skf21("7","3","7","3","1","2","5","1") = "6"
    & skf21("7","3","7","3","1","2","6","1") = "6"
    & skf21("7","3","7","3","1","2","7","1") = "6"
    & skf21("7","3","7","3","1","3","1","1") = "6"
    & skf21("7","3","7","3","1","3","2","1") = "6"
    & skf21("7","3","7","3","1","3","3","1") = "6"
    & skf21("7","3","7","3","1","3","4","1") = "6"
    & skf21("7","3","7","3","1","3","5","1") = "6"
    & skf21("7","3","7","3","1","3","6","1") = "6"
    & skf21("7","3","7","3","1","3","7","1") = "6"
    & skf21("7","3","7","3","1","4","1","1") = "6"
    & skf21("7","3","7","3","1","4","2","1") = "6"
    & skf21("7","3","7","3","1","4","3","1") = "6"
    & skf21("7","3","7","3","1","4","4","1") = "6"
    & skf21("7","3","7","3","1","4","5","1") = "6"
    & skf21("7","3","7","3","1","4","6","1") = "6"
    & skf21("7","3","7","3","1","4","7","1") = "6"
    & skf21("7","3","7","3","1","5","1","1") = "6"
    & skf21("7","3","7","3","1","5","2","1") = "6"
    & skf21("7","3","7","3","1","5","3","1") = "6"
    & skf21("7","3","7","3","1","5","4","1") = "6"
    & skf21("7","3","7","3","1","5","5","1") = "6"
    & skf21("7","3","7","3","1","5","6","1") = "6"
    & skf21("7","3","7","3","1","5","7","1") = "6"
    & skf21("7","3","7","3","1","6","1","1") = "6"
    & skf21("7","3","7","3","1","6","2","1") = "6"
    & skf21("7","3","7","3","1","6","3","1") = "6"
    & skf21("7","3","7","3","1","6","4","1") = "6"
    & skf21("7","3","7","3","1","6","5","1") = "6"
    & skf21("7","3","7","3","1","6","6","1") = "6"
    & skf21("7","3","7","3","1","6","7","1") = "6"
    & skf21("7","3","7","3","1","7","1","1") = "6"
    & skf21("7","3","7","3","1","7","2","1") = "6"
    & skf21("7","3","7","3","1","7","3","1") = "6"
    & skf21("7","3","7","3","1","7","4","1") = "6"
    & skf21("7","3","7","3","1","7","5","1") = "6"
    & skf21("7","3","7","3","1","7","6","1") = "6"
    & skf21("7","3","7","3","1","7","7","1") = "6"
    & skf21("7","3","7","3","2","1","1","1") = "6"
    & skf21("7","3","7","3","2","1","2","1") = "6"
    & skf21("7","3","7","3","2","1","3","1") = "6"
    & skf21("7","3","7","3","2","1","4","1") = "6"
    & skf21("7","3","7","3","2","1","5","1") = "6"
    & skf21("7","3","7","3","2","1","6","1") = "6"
    & skf21("7","3","7","3","2","1","7","1") = "6"
    & skf21("7","3","7","3","2","2","1","1") = "6"
    & skf21("7","3","7","3","2","2","2","1") = "6"
    & skf21("7","3","7","3","2","2","3","1") = "6"
    & skf21("7","3","7","3","2","2","4","1") = "6"
    & skf21("7","3","7","3","2","2","5","1") = "6"
    & skf21("7","3","7","3","2","2","6","1") = "6"
    & skf21("7","3","7","3","2","2","7","1") = "6"
    & skf21("7","3","7","3","2","3","1","1") = "6"
    & skf21("7","3","7","3","2","3","2","1") = "6"
    & skf21("7","3","7","3","2","3","3","1") = "6"
    & skf21("7","3","7","3","2","3","4","1") = "6"
    & skf21("7","3","7","3","2","3","5","1") = "6"
    & skf21("7","3","7","3","2","3","6","1") = "6"
    & skf21("7","3","7","3","2","3","7","1") = "6"
    & skf21("7","3","7","3","2","4","1","1") = "6"
    & skf21("7","3","7","3","2","4","2","1") = "6"
    & skf21("7","3","7","3","2","4","3","1") = "6"
    & skf21("7","3","7","3","2","4","4","1") = "6"
    & skf21("7","3","7","3","2","4","5","1") = "6"
    & skf21("7","3","7","3","2","4","6","1") = "6"
    & skf21("7","3","7","3","2","4","7","1") = "6"
    & skf21("7","3","7","3","2","5","1","1") = "6"
    & skf21("7","3","7","3","2","5","2","1") = "6"
    & skf21("7","3","7","3","2","5","3","1") = "6"
    & skf21("7","3","7","3","2","5","4","1") = "6"
    & skf21("7","3","7","3","2","5","5","1") = "6"
    & skf21("7","3","7","3","2","5","6","1") = "6"
    & skf21("7","3","7","3","2","5","7","1") = "6"
    & skf21("7","3","7","3","2","6","1","1") = "6"
    & skf21("7","3","7","3","2","6","2","1") = "6"
    & skf21("7","3","7","3","2","6","3","1") = "6"
    & skf21("7","3","7","3","2","6","4","1") = "6"
    & skf21("7","3","7","3","2","6","5","1") = "6"
    & skf21("7","3","7","3","2","6","6","1") = "6"
    & skf21("7","3","7","3","2","6","7","1") = "6"
    & skf21("7","3","7","3","2","7","1","1") = "6"
    & skf21("7","3","7","3","2","7","2","1") = "6"
    & skf21("7","3","7","3","2","7","3","1") = "6"
    & skf21("7","3","7","3","2","7","4","1") = "6"
    & skf21("7","3","7","3","2","7","5","1") = "6"
    & skf21("7","3","7","3","2","7","6","1") = "6"
    & skf21("7","3","7","3","2","7","7","1") = "6"
    & skf21("7","3","7","3","3","1","1","1") = "6"
    & skf21("7","3","7","3","3","1","2","1") = "6"
    & skf21("7","3","7","3","3","1","3","1") = "6"
    & skf21("7","3","7","3","3","1","4","1") = "6"
    & skf21("7","3","7","3","3","1","5","1") = "6"
    & skf21("7","3","7","3","3","1","6","1") = "6"
    & skf21("7","3","7","3","3","1","7","1") = "6"
    & skf21("7","3","7","3","3","2","1","1") = "6"
    & skf21("7","3","7","3","3","2","2","1") = "6"
    & skf21("7","3","7","3","3","2","3","1") = "6"
    & skf21("7","3","7","3","3","2","4","1") = "6"
    & skf21("7","3","7","3","3","2","5","1") = "6"
    & skf21("7","3","7","3","3","2","6","1") = "6"
    & skf21("7","3","7","3","3","2","7","1") = "6"
    & skf21("7","3","7","3","3","3","1","1") = "6"
    & skf21("7","3","7","3","3","3","2","1") = "6"
    & skf21("7","3","7","3","3","3","3","1") = "6"
    & skf21("7","3","7","3","3","3","4","1") = "6"
    & skf21("7","3","7","3","3","3","5","1") = "6"
    & skf21("7","3","7","3","3","3","6","1") = "6"
    & skf21("7","3","7","3","3","3","7","1") = "6"
    & skf21("7","3","7","3","3","4","1","1") = "6"
    & skf21("7","3","7","3","3","4","2","1") = "6"
    & skf21("7","3","7","3","3","4","3","1") = "6"
    & skf21("7","3","7","3","3","4","4","1") = "6"
    & skf21("7","3","7","3","3","4","5","1") = "6"
    & skf21("7","3","7","3","3","4","6","1") = "6"
    & skf21("7","3","7","3","3","4","7","1") = "6"
    & skf21("7","3","7","3","3","5","1","1") = "6"
    & skf21("7","3","7","3","3","5","2","1") = "6"
    & skf21("7","3","7","3","3","5","3","1") = "6"
    & skf21("7","3","7","3","3","5","4","1") = "6"
    & skf21("7","3","7","3","3","5","5","1") = "6"
    & skf21("7","3","7","3","3","5","6","1") = "6"
    & skf21("7","3","7","3","3","5","7","1") = "6"
    & skf21("7","3","7","3","3","6","1","1") = "6"
    & skf21("7","3","7","3","3","6","2","1") = "6"
    & skf21("7","3","7","3","3","6","3","1") = "6"
    & skf21("7","3","7","3","3","6","4","1") = "6"
    & skf21("7","3","7","3","3","6","5","1") = "6"
    & skf21("7","3","7","3","3","6","6","1") = "6"
    & skf21("7","3","7","3","3","6","7","1") = "6"
    & skf21("7","3","7","3","3","7","1","1") = "6"
    & skf21("7","3","7","3","3","7","2","1") = "6"
    & skf21("7","3","7","3","3","7","3","1") = "6"
    & skf21("7","3","7","3","3","7","4","1") = "6"
    & skf21("7","3","7","3","3","7","5","1") = "6"
    & skf21("7","3","7","3","3","7","6","1") = "6"
    & skf21("7","3","7","3","3","7","7","1") = "6"
    & skf21("7","3","7","3","4","1","1","1") = "6"
    & skf21("7","3","7","3","4","1","2","1") = "6"
    & skf21("7","3","7","3","4","1","3","1") = "6"
    & skf21("7","3","7","3","4","1","4","1") = "6"
    & skf21("7","3","7","3","4","1","5","1") = "6"
    & skf21("7","3","7","3","4","1","6","1") = "6"
    & skf21("7","3","7","3","4","1","7","1") = "6"
    & skf21("7","3","7","3","4","2","1","1") = "6"
    & skf21("7","3","7","3","4","2","2","1") = "6"
    & skf21("7","3","7","3","4","2","3","1") = "6"
    & skf21("7","3","7","3","4","2","4","1") = "6"
    & skf21("7","3","7","3","4","2","5","1") = "6"
    & skf21("7","3","7","3","4","2","6","1") = "6"
    & skf21("7","3","7","3","4","2","7","1") = "6"
    & skf21("7","3","7","3","4","3","1","1") = "6"
    & skf21("7","3","7","3","4","3","2","1") = "6"
    & skf21("7","3","7","3","4","3","3","1") = "6"
    & skf21("7","3","7","3","4","3","4","1") = "6"
    & skf21("7","3","7","3","4","3","5","1") = "6"
    & skf21("7","3","7","3","4","3","6","1") = "6"
    & skf21("7","3","7","3","4","3","7","1") = "6"
    & skf21("7","3","7","3","4","4","1","1") = "6"
    & skf21("7","3","7","3","4","4","2","1") = "6"
    & skf21("7","3","7","3","4","4","3","1") = "6"
    & skf21("7","3","7","3","4","4","4","1") = "6"
    & skf21("7","3","7","3","4","4","5","1") = "6"
    & skf21("7","3","7","3","4","4","6","1") = "6"
    & skf21("7","3","7","3","4","4","7","1") = "6"
    & skf21("7","3","7","3","4","5","1","1") = "6"
    & skf21("7","3","7","3","4","5","2","1") = "6"
    & skf21("7","3","7","3","4","5","3","1") = "6"
    & skf21("7","3","7","3","4","5","4","1") = "6"
    & skf21("7","3","7","3","4","5","5","1") = "6"
    & skf21("7","3","7","3","4","5","6","1") = "6"
    & skf21("7","3","7","3","4","5","7","1") = "6"
    & skf21("7","3","7","3","4","6","1","1") = "6"
    & skf21("7","3","7","3","4","6","2","1") = "6"
    & skf21("7","3","7","3","4","6","3","1") = "6"
    & skf21("7","3","7","3","4","6","4","1") = "6"
    & skf21("7","3","7","3","4","6","5","1") = "6"
    & skf21("7","3","7","3","4","6","6","1") = "6"
    & skf21("7","3","7","3","4","6","7","1") = "6"
    & skf21("7","3","7","3","4","7","1","1") = "6"
    & skf21("7","3","7","3","4","7","2","1") = "6"
    & skf21("7","3","7","3","4","7","3","1") = "6"
    & skf21("7","3","7","3","4","7","4","1") = "6"
    & skf21("7","3","7","3","4","7","5","1") = "6"
    & skf21("7","3","7","3","4","7","6","1") = "6"
    & skf21("7","3","7","3","4","7","7","1") = "6"
    & skf21("7","3","7","3","5","1","1","1") = "6"
    & skf21("7","3","7","3","5","1","2","1") = "6"
    & skf21("7","3","7","3","5","1","3","1") = "6"
    & skf21("7","3","7","3","5","1","4","1") = "6"
    & skf21("7","3","7","3","5","1","5","1") = "6"
    & skf21("7","3","7","3","5","1","6","1") = "6"
    & skf21("7","3","7","3","5","1","7","1") = "6"
    & skf21("7","3","7","3","5","2","1","1") = "6"
    & skf21("7","3","7","3","5","2","2","1") = "6"
    & skf21("7","3","7","3","5","2","3","1") = "6"
    & skf21("7","3","7","3","5","2","4","1") = "6"
    & skf21("7","3","7","3","5","2","5","1") = "6"
    & skf21("7","3","7","3","5","2","6","1") = "6"
    & skf21("7","3","7","3","5","2","7","1") = "6"
    & skf21("7","3","7","3","5","3","1","1") = "6"
    & skf21("7","3","7","3","5","3","2","1") = "6"
    & skf21("7","3","7","3","5","3","3","1") = "6"
    & skf21("7","3","7","3","5","3","4","1") = "6"
    & skf21("7","3","7","3","5","3","5","1") = "6"
    & skf21("7","3","7","3","5","3","6","1") = "6"
    & skf21("7","3","7","3","5","3","7","1") = "6"
    & skf21("7","3","7","3","5","4","1","1") = "6"
    & skf21("7","3","7","3","5","4","2","1") = "6"
    & skf21("7","3","7","3","5","4","3","1") = "6"
    & skf21("7","3","7","3","5","4","4","1") = "6"
    & skf21("7","3","7","3","5","4","5","1") = "6"
    & skf21("7","3","7","3","5","4","6","1") = "6"
    & skf21("7","3","7","3","5","4","7","1") = "6"
    & skf21("7","3","7","3","5","5","1","1") = "6"
    & skf21("7","3","7","3","5","5","2","1") = "6"
    & skf21("7","3","7","3","5","5","3","1") = "6"
    & skf21("7","3","7","3","5","5","4","1") = "6"
    & skf21("7","3","7","3","5","5","5","1") = "6"
    & skf21("7","3","7","3","5","5","6","1") = "6"
    & skf21("7","3","7","3","5","5","7","1") = "6"
    & skf21("7","3","7","3","5","6","1","1") = "6"
    & skf21("7","3","7","3","5","6","2","1") = "6"
    & skf21("7","3","7","3","5","6","3","1") = "6"
    & skf21("7","3","7","3","5","6","4","1") = "6"
    & skf21("7","3","7","3","5","6","5","1") = "6"
    & skf21("7","3","7","3","5","6","6","1") = "6"
    & skf21("7","3","7","3","5","6","7","1") = "6"
    & skf21("7","3","7","3","5","7","1","1") = "6"
    & skf21("7","3","7","3","5","7","2","1") = "6"
    & skf21("7","3","7","3","5","7","3","1") = "6"
    & skf21("7","3","7","3","5","7","4","1") = "6"
    & skf21("7","3","7","3","5","7","5","1") = "6"
    & skf21("7","3","7","3","5","7","6","1") = "6"
    & skf21("7","3","7","3","5","7","7","1") = "6"
    & skf21("7","3","7","3","6","1","1","1") = "6"
    & skf21("7","3","7","3","6","1","2","1") = "6"
    & skf21("7","3","7","3","6","1","3","1") = "6"
    & skf21("7","3","7","3","6","1","4","1") = "6"
    & skf21("7","3","7","3","6","1","5","1") = "6"
    & skf21("7","3","7","3","6","1","6","1") = "6"
    & skf21("7","3","7","3","6","1","7","1") = "6"
    & skf21("7","3","7","3","6","2","1","1") = "6"
    & skf21("7","3","7","3","6","2","2","1") = "6"
    & skf21("7","3","7","3","6","2","3","1") = "6"
    & skf21("7","3","7","3","6","2","4","1") = "6"
    & skf21("7","3","7","3","6","2","5","1") = "6"
    & skf21("7","3","7","3","6","2","6","1") = "6"
    & skf21("7","3","7","3","6","2","7","1") = "6"
    & skf21("7","3","7","3","6","3","1","1") = "6"
    & skf21("7","3","7","3","6","3","2","1") = "6"
    & skf21("7","3","7","3","6","3","3","1") = "6"
    & skf21("7","3","7","3","6","3","4","1") = "6"
    & skf21("7","3","7","3","6","3","5","1") = "6"
    & skf21("7","3","7","3","6","3","6","1") = "6"
    & skf21("7","3","7","3","6","3","7","1") = "6"
    & skf21("7","3","7","3","6","4","1","1") = "6"
    & skf21("7","3","7","3","6","4","2","1") = "6"
    & skf21("7","3","7","3","6","4","3","1") = "6"
    & skf21("7","3","7","3","6","4","4","1") = "6"
    & skf21("7","3","7","3","6","4","5","1") = "6"
    & skf21("7","3","7","3","6","4","6","1") = "6"
    & skf21("7","3","7","3","6","4","7","1") = "6"
    & skf21("7","3","7","3","6","5","1","1") = "6"
    & skf21("7","3","7","3","6","5","2","1") = "6"
    & skf21("7","3","7","3","6","5","3","1") = "6"
    & skf21("7","3","7","3","6","5","4","1") = "6"
    & skf21("7","3","7","3","6","5","5","1") = "6"
    & skf21("7","3","7","3","6","5","6","1") = "6"
    & skf21("7","3","7","3","6","5","7","1") = "6"
    & skf21("7","3","7","3","6","6","1","1") = "6"
    & skf21("7","3","7","3","6","6","2","1") = "6"
    & skf21("7","3","7","3","6","6","3","1") = "6"
    & skf21("7","3","7","3","6","6","4","1") = "6"
    & skf21("7","3","7","3","6","6","5","1") = "6"
    & skf21("7","3","7","3","6","6","6","1") = "6"
    & skf21("7","3","7","3","6","6","7","1") = "6"
    & skf21("7","3","7","3","6","7","1","1") = "6"
    & skf21("7","3","7","3","6","7","2","1") = "6"
    & skf21("7","3","7","3","6","7","3","1") = "6"
    & skf21("7","3","7","3","6","7","4","1") = "6"
    & skf21("7","3","7","3","6","7","5","1") = "6"
    & skf21("7","3","7","3","6","7","6","1") = "6"
    & skf21("7","3","7","3","6","7","7","1") = "6"
    & skf21("7","3","7","3","7","1","1","1") = "6"
    & skf21("7","3","7","3","7","1","2","1") = "6"
    & skf21("7","3","7","3","7","1","3","1") = "6"
    & skf21("7","3","7","3","7","1","4","1") = "6"
    & skf21("7","3","7","3","7","1","5","1") = "6"
    & skf21("7","3","7","3","7","1","6","1") = "6"
    & skf21("7","3","7","3","7","1","7","1") = "6"
    & skf21("7","3","7","3","7","2","1","1") = "6"
    & skf21("7","3","7","3","7","2","2","1") = "6"
    & skf21("7","3","7","3","7","2","3","1") = "6"
    & skf21("7","3","7","3","7","2","4","1") = "6"
    & skf21("7","3","7","3","7","2","5","1") = "6"
    & skf21("7","3","7","3","7","2","6","1") = "6"
    & skf21("7","3","7","3","7","2","7","1") = "6"
    & skf21("7","3","7","3","7","3","1","1") = "6"
    & skf21("7","3","7","3","7","3","2","1") = "6"
    & skf21("7","3","7","3","7","3","3","1") = "6"
    & skf21("7","3","7","3","7","3","4","1") = "6"
    & skf21("7","3","7","3","7","3","5","1") = "6"
    & skf21("7","3","7","3","7","3","6","1") = "6"
    & skf21("7","3","7","3","7","3","7","1") = "6"
    & skf21("7","3","7","3","7","4","1","1") = "6"
    & skf21("7","3","7","3","7","4","2","1") = "6"
    & skf21("7","3","7","3","7","4","3","1") = "6"
    & skf21("7","3","7","3","7","4","4","1") = "6"
    & skf21("7","3","7","3","7","4","5","1") = "6"
    & skf21("7","3","7","3","7","4","6","1") = "6"
    & skf21("7","3","7","3","7","4","7","1") = "6"
    & skf21("7","3","7","3","7","5","1","1") = "6"
    & skf21("7","3","7","3","7","5","2","1") = "6"
    & skf21("7","3","7","3","7","5","3","1") = "6"
    & skf21("7","3","7","3","7","5","4","1") = "6"
    & skf21("7","3","7","3","7","5","5","1") = "6"
    & skf21("7","3","7","3","7","5","6","1") = "6"
    & skf21("7","3","7","3","7","5","7","1") = "6"
    & skf21("7","3","7","3","7","6","1","1") = "6"
    & skf21("7","3","7","3","7","6","2","1") = "6"
    & skf21("7","3","7","3","7","6","3","1") = "6"
    & skf21("7","3","7","3","7","6","4","1") = "6"
    & skf21("7","3","7","3","7","6","5","1") = "6"
    & skf21("7","3","7","3","7","6","6","1") = "6"
    & skf21("7","3","7","3","7","6","7","1") = "6"
    & skf21("7","3","7","3","7","7","1","1") = "6"
    & skf21("7","3","7","3","7","7","2","1") = "6"
    & skf21("7","3","7","3","7","7","3","1") = "6"
    & skf21("7","3","7","3","7","7","4","1") = "6"
    & skf21("7","3","7","3","7","7","5","1") = "6"
    & skf21("7","3","7","3","7","7","6","1") = "6"
    & skf21("7","3","7","3","7","7","7","1") = "6"
    & skf21("7","3","7","4","1","1","1","1") = "6"
    & skf21("7","3","7","4","1","1","2","1") = "6"
    & skf21("7","3","7","4","1","1","3","1") = "6"
    & skf21("7","3","7","4","1","1","4","1") = "6"
    & skf21("7","3","7","4","1","1","5","1") = "6"
    & skf21("7","3","7","4","1","1","6","1") = "6"
    & skf21("7","3","7","4","1","1","7","1") = "6"
    & skf21("7","3","7","4","1","2","1","1") = "6"
    & skf21("7","3","7","4","1","2","2","1") = "6"
    & skf21("7","3","7","4","1","2","3","1") = "6"
    & skf21("7","3","7","4","1","2","4","1") = "6"
    & skf21("7","3","7","4","1","2","5","1") = "6"
    & skf21("7","3","7","4","1","2","6","1") = "6"
    & skf21("7","3","7","4","1","2","7","1") = "6"
    & skf21("7","3","7","4","1","3","1","1") = "6"
    & skf21("7","3","7","4","1","3","2","1") = "6"
    & skf21("7","3","7","4","1","3","3","1") = "6"
    & skf21("7","3","7","4","1","3","4","1") = "6"
    & skf21("7","3","7","4","1","3","5","1") = "6"
    & skf21("7","3","7","4","1","3","6","1") = "6"
    & skf21("7","3","7","4","1","3","7","1") = "6"
    & skf21("7","3","7","4","1","4","1","1") = "6"
    & skf21("7","3","7","4","1","4","2","1") = "6"
    & skf21("7","3","7","4","1","4","3","1") = "6"
    & skf21("7","3","7","4","1","4","4","1") = "6"
    & skf21("7","3","7","4","1","4","5","1") = "6"
    & skf21("7","3","7","4","1","4","6","1") = "6"
    & skf21("7","3","7","4","1","4","7","1") = "6"
    & skf21("7","3","7","4","1","5","1","1") = "6"
    & skf21("7","3","7","4","1","5","2","1") = "6"
    & skf21("7","3","7","4","1","5","3","1") = "6"
    & skf21("7","3","7","4","1","5","4","1") = "6"
    & skf21("7","3","7","4","1","5","5","1") = "6"
    & skf21("7","3","7","4","1","5","6","1") = "6"
    & skf21("7","3","7","4","1","5","7","1") = "6"
    & skf21("7","3","7","4","1","6","1","1") = "6"
    & skf21("7","3","7","4","1","6","2","1") = "6"
    & skf21("7","3","7","4","1","6","3","1") = "6"
    & skf21("7","3","7","4","1","6","4","1") = "6"
    & skf21("7","3","7","4","1","6","5","1") = "6"
    & skf21("7","3","7","4","1","6","6","1") = "6"
    & skf21("7","3","7","4","1","6","7","1") = "6"
    & skf21("7","3","7","4","1","7","1","1") = "6"
    & skf21("7","3","7","4","1","7","2","1") = "6"
    & skf21("7","3","7","4","1","7","3","1") = "6"
    & skf21("7","3","7","4","1","7","4","1") = "6"
    & skf21("7","3","7","4","1","7","5","1") = "6"
    & skf21("7","3","7","4","1","7","6","1") = "6"
    & skf21("7","3","7","4","1","7","7","1") = "6"
    & skf21("7","3","7","4","2","1","1","1") = "6"
    & skf21("7","3","7","4","2","1","2","1") = "6"
    & skf21("7","3","7","4","2","1","3","1") = "6"
    & skf21("7","3","7","4","2","1","4","1") = "6"
    & skf21("7","3","7","4","2","1","5","1") = "6"
    & skf21("7","3","7","4","2","1","6","1") = "6"
    & skf21("7","3","7","4","2","1","7","1") = "6"
    & skf21("7","3","7","4","2","2","1","1") = "6"
    & skf21("7","3","7","4","2","2","2","1") = "6"
    & skf21("7","3","7","4","2","2","3","1") = "6"
    & skf21("7","3","7","4","2","2","4","1") = "6"
    & skf21("7","3","7","4","2","2","5","1") = "6"
    & skf21("7","3","7","4","2","2","6","1") = "6"
    & skf21("7","3","7","4","2","2","7","1") = "6"
    & skf21("7","3","7","4","2","3","1","1") = "6"
    & skf21("7","3","7","4","2","3","2","1") = "6"
    & skf21("7","3","7","4","2","3","3","1") = "6"
    & skf21("7","3","7","4","2","3","4","1") = "6"
    & skf21("7","3","7","4","2","3","5","1") = "6"
    & skf21("7","3","7","4","2","3","6","1") = "6"
    & skf21("7","3","7","4","2","3","7","1") = "6"
    & skf21("7","3","7","4","2","4","1","1") = "6"
    & skf21("7","3","7","4","2","4","2","1") = "6"
    & skf21("7","3","7","4","2","4","3","1") = "6"
    & skf21("7","3","7","4","2","4","4","1") = "6"
    & skf21("7","3","7","4","2","4","5","1") = "6"
    & skf21("7","3","7","4","2","4","6","1") = "6"
    & skf21("7","3","7","4","2","4","7","1") = "6"
    & skf21("7","3","7","4","2","5","1","1") = "6"
    & skf21("7","3","7","4","2","5","2","1") = "6"
    & skf21("7","3","7","4","2","5","3","1") = "6"
    & skf21("7","3","7","4","2","5","4","1") = "6"
    & skf21("7","3","7","4","2","5","5","1") = "6"
    & skf21("7","3","7","4","2","5","6","1") = "6"
    & skf21("7","3","7","4","2","5","7","1") = "6"
    & skf21("7","3","7","4","2","6","1","1") = "6"
    & skf21("7","3","7","4","2","6","2","1") = "6"
    & skf21("7","3","7","4","2","6","3","1") = "6"
    & skf21("7","3","7","4","2","6","4","1") = "6"
    & skf21("7","3","7","4","2","6","5","1") = "6"
    & skf21("7","3","7","4","2","6","6","1") = "6"
    & skf21("7","3","7","4","2","6","7","1") = "6"
    & skf21("7","3","7","4","2","7","1","1") = "6"
    & skf21("7","3","7","4","2","7","2","1") = "6"
    & skf21("7","3","7","4","2","7","3","1") = "6"
    & skf21("7","3","7","4","2","7","4","1") = "6"
    & skf21("7","3","7","4","2","7","5","1") = "6"
    & skf21("7","3","7","4","2","7","6","1") = "6"
    & skf21("7","3","7","4","2","7","7","1") = "6"
    & skf21("7","3","7","4","3","1","1","1") = "6"
    & skf21("7","3","7","4","3","1","2","1") = "6"
    & skf21("7","3","7","4","3","1","3","1") = "6"
    & skf21("7","3","7","4","3","1","4","1") = "6"
    & skf21("7","3","7","4","3","1","5","1") = "6"
    & skf21("7","3","7","4","3","1","6","1") = "6"
    & skf21("7","3","7","4","3","1","7","1") = "6"
    & skf21("7","3","7","4","3","2","1","1") = "6"
    & skf21("7","3","7","4","3","2","2","1") = "6"
    & skf21("7","3","7","4","3","2","3","1") = "6"
    & skf21("7","3","7","4","3","2","4","1") = "6"
    & skf21("7","3","7","4","3","2","5","1") = "6"
    & skf21("7","3","7","4","3","2","6","1") = "6"
    & skf21("7","3","7","4","3","2","7","1") = "6"
    & skf21("7","3","7","4","3","3","1","1") = "6"
    & skf21("7","3","7","4","3","3","2","1") = "6"
    & skf21("7","3","7","4","3","3","3","1") = "6"
    & skf21("7","3","7","4","3","3","4","1") = "6"
    & skf21("7","3","7","4","3","3","5","1") = "6"
    & skf21("7","3","7","4","3","3","6","1") = "6"
    & skf21("7","3","7","4","3","3","7","1") = "6"
    & skf21("7","3","7","4","3","4","1","1") = "6"
    & skf21("7","3","7","4","3","4","2","1") = "6"
    & skf21("7","3","7","4","3","4","3","1") = "6"
    & skf21("7","3","7","4","3","4","4","1") = "6"
    & skf21("7","3","7","4","3","4","5","1") = "6"
    & skf21("7","3","7","4","3","4","6","1") = "6"
    & skf21("7","3","7","4","3","4","7","1") = "6"
    & skf21("7","3","7","4","3","5","1","1") = "6"
    & skf21("7","3","7","4","3","5","2","1") = "6"
    & skf21("7","3","7","4","3","5","3","1") = "6"
    & skf21("7","3","7","4","3","5","4","1") = "6"
    & skf21("7","3","7","4","3","5","5","1") = "6"
    & skf21("7","3","7","4","3","5","6","1") = "6"
    & skf21("7","3","7","4","3","5","7","1") = "6"
    & skf21("7","3","7","4","3","6","1","1") = "6"
    & skf21("7","3","7","4","3","6","2","1") = "6"
    & skf21("7","3","7","4","3","6","3","1") = "6"
    & skf21("7","3","7","4","3","6","4","1") = "6"
    & skf21("7","3","7","4","3","6","5","1") = "6"
    & skf21("7","3","7","4","3","6","6","1") = "6"
    & skf21("7","3","7","4","3","6","7","1") = "6"
    & skf21("7","3","7","4","3","7","1","1") = "6"
    & skf21("7","3","7","4","3","7","2","1") = "6"
    & skf21("7","3","7","4","3","7","3","1") = "6"
    & skf21("7","3","7","4","3","7","4","1") = "6"
    & skf21("7","3","7","4","3","7","5","1") = "6"
    & skf21("7","3","7","4","3","7","6","1") = "6"
    & skf21("7","3","7","4","3","7","7","1") = "6"
    & skf21("7","3","7","4","4","1","1","1") = "6"
    & skf21("7","3","7","4","4","1","2","1") = "6"
    & skf21("7","3","7","4","4","1","3","1") = "6"
    & skf21("7","3","7","4","4","1","4","1") = "6"
    & skf21("7","3","7","4","4","1","5","1") = "6"
    & skf21("7","3","7","4","4","1","6","1") = "6"
    & skf21("7","3","7","4","4","1","7","1") = "6"
    & skf21("7","3","7","4","4","2","1","1") = "6"
    & skf21("7","3","7","4","4","2","2","1") = "6"
    & skf21("7","3","7","4","4","2","3","1") = "6"
    & skf21("7","3","7","4","4","2","4","1") = "6"
    & skf21("7","3","7","4","4","2","5","1") = "6"
    & skf21("7","3","7","4","4","2","6","1") = "6"
    & skf21("7","3","7","4","4","2","7","1") = "6"
    & skf21("7","3","7","4","4","3","1","1") = "6"
    & skf21("7","3","7","4","4","3","2","1") = "6"
    & skf21("7","3","7","4","4","3","3","1") = "6"
    & skf21("7","3","7","4","4","3","4","1") = "6"
    & skf21("7","3","7","4","4","3","5","1") = "6"
    & skf21("7","3","7","4","4","3","6","1") = "6"
    & skf21("7","3","7","4","4","3","7","1") = "6"
    & skf21("7","3","7","4","4","4","1","1") = "6"
    & skf21("7","3","7","4","4","4","2","1") = "6"
    & skf21("7","3","7","4","4","4","3","1") = "6"
    & skf21("7","3","7","4","4","4","4","1") = "6"
    & skf21("7","3","7","4","4","4","5","1") = "6"
    & skf21("7","3","7","4","4","4","6","1") = "6"
    & skf21("7","3","7","4","4","4","7","1") = "6"
    & skf21("7","3","7","4","4","5","1","1") = "6"
    & skf21("7","3","7","4","4","5","2","1") = "6"
    & skf21("7","3","7","4","4","5","3","1") = "6"
    & skf21("7","3","7","4","4","5","4","1") = "6"
    & skf21("7","3","7","4","4","5","5","1") = "6"
    & skf21("7","3","7","4","4","5","6","1") = "6"
    & skf21("7","3","7","4","4","5","7","1") = "6"
    & skf21("7","3","7","4","4","6","1","1") = "6"
    & skf21("7","3","7","4","4","6","2","1") = "6"
    & skf21("7","3","7","4","4","6","3","1") = "6"
    & skf21("7","3","7","4","4","6","4","1") = "6"
    & skf21("7","3","7","4","4","6","5","1") = "6"
    & skf21("7","3","7","4","4","6","6","1") = "6"
    & skf21("7","3","7","4","4","6","7","1") = "6"
    & skf21("7","3","7","4","4","7","1","1") = "6"
    & skf21("7","3","7","4","4","7","2","1") = "6"
    & skf21("7","3","7","4","4","7","3","1") = "6"
    & skf21("7","3","7","4","4","7","4","1") = "6"
    & skf21("7","3","7","4","4","7","5","1") = "6"
    & skf21("7","3","7","4","4","7","6","1") = "6"
    & skf21("7","3","7","4","4","7","7","1") = "6"
    & skf21("7","3","7","4","5","1","1","1") = "6"
    & skf21("7","3","7","4","5","1","2","1") = "6"
    & skf21("7","3","7","4","5","1","3","1") = "6"
    & skf21("7","3","7","4","5","1","4","1") = "6"
    & skf21("7","3","7","4","5","1","5","1") = "6"
    & skf21("7","3","7","4","5","1","6","1") = "6"
    & skf21("7","3","7","4","5","1","7","1") = "6"
    & skf21("7","3","7","4","5","2","1","1") = "6"
    & skf21("7","3","7","4","5","2","2","1") = "6"
    & skf21("7","3","7","4","5","2","3","1") = "6"
    & skf21("7","3","7","4","5","2","4","1") = "6"
    & skf21("7","3","7","4","5","2","5","1") = "6"
    & skf21("7","3","7","4","5","2","6","1") = "6"
    & skf21("7","3","7","4","5","2","7","1") = "6"
    & skf21("7","3","7","4","5","3","1","1") = "6"
    & skf21("7","3","7","4","5","3","2","1") = "6"
    & skf21("7","3","7","4","5","3","3","1") = "6"
    & skf21("7","3","7","4","5","3","4","1") = "6"
    & skf21("7","3","7","4","5","3","5","1") = "6"
    & skf21("7","3","7","4","5","3","6","1") = "6"
    & skf21("7","3","7","4","5","3","7","1") = "6"
    & skf21("7","3","7","4","5","4","1","1") = "6"
    & skf21("7","3","7","4","5","4","2","1") = "6"
    & skf21("7","3","7","4","5","4","3","1") = "6"
    & skf21("7","3","7","4","5","4","4","1") = "6"
    & skf21("7","3","7","4","5","4","5","1") = "6"
    & skf21("7","3","7","4","5","4","6","1") = "6"
    & skf21("7","3","7","4","5","4","7","1") = "6"
    & skf21("7","3","7","4","5","5","1","1") = "6"
    & skf21("7","3","7","4","5","5","2","1") = "6"
    & skf21("7","3","7","4","5","5","3","1") = "6"
    & skf21("7","3","7","4","5","5","4","1") = "6"
    & skf21("7","3","7","4","5","5","5","1") = "6"
    & skf21("7","3","7","4","5","5","6","1") = "6"
    & skf21("7","3","7","4","5","5","7","1") = "6"
    & skf21("7","3","7","4","5","6","1","1") = "6"
    & skf21("7","3","7","4","5","6","2","1") = "6"
    & skf21("7","3","7","4","5","6","3","1") = "6"
    & skf21("7","3","7","4","5","6","4","1") = "6"
    & skf21("7","3","7","4","5","6","5","1") = "6"
    & skf21("7","3","7","4","5","6","6","1") = "6"
    & skf21("7","3","7","4","5","6","7","1") = "6"
    & skf21("7","3","7","4","5","7","1","1") = "6"
    & skf21("7","3","7","4","5","7","2","1") = "6"
    & skf21("7","3","7","4","5","7","3","1") = "6"
    & skf21("7","3","7","4","5","7","4","1") = "6"
    & skf21("7","3","7","4","5","7","5","1") = "6"
    & skf21("7","3","7","4","5","7","6","1") = "6"
    & skf21("7","3","7","4","5","7","7","1") = "6"
    & skf21("7","3","7","4","6","1","1","1") = "6"
    & skf21("7","3","7","4","6","1","2","1") = "6"
    & skf21("7","3","7","4","6","1","3","1") = "6"
    & skf21("7","3","7","4","6","1","4","1") = "6"
    & skf21("7","3","7","4","6","1","5","1") = "6"
    & skf21("7","3","7","4","6","1","6","1") = "6"
    & skf21("7","3","7","4","6","1","7","1") = "6"
    & skf21("7","3","7","4","6","2","1","1") = "6"
    & skf21("7","3","7","4","6","2","2","1") = "6"
    & skf21("7","3","7","4","6","2","3","1") = "6"
    & skf21("7","3","7","4","6","2","4","1") = "6"
    & skf21("7","3","7","4","6","2","5","1") = "6"
    & skf21("7","3","7","4","6","2","6","1") = "6"
    & skf21("7","3","7","4","6","2","7","1") = "6"
    & skf21("7","3","7","4","6","3","1","1") = "6"
    & skf21("7","3","7","4","6","3","2","1") = "6"
    & skf21("7","3","7","4","6","3","3","1") = "6"
    & skf21("7","3","7","4","6","3","4","1") = "6"
    & skf21("7","3","7","4","6","3","5","1") = "6"
    & skf21("7","3","7","4","6","3","6","1") = "6"
    & skf21("7","3","7","4","6","3","7","1") = "6"
    & skf21("7","3","7","4","6","4","1","1") = "6"
    & skf21("7","3","7","4","6","4","2","1") = "6"
    & skf21("7","3","7","4","6","4","3","1") = "6"
    & skf21("7","3","7","4","6","4","4","1") = "6"
    & skf21("7","3","7","4","6","4","5","1") = "6"
    & skf21("7","3","7","4","6","4","6","1") = "6"
    & skf21("7","3","7","4","6","4","7","1") = "6"
    & skf21("7","3","7","4","6","5","1","1") = "6"
    & skf21("7","3","7","4","6","5","2","1") = "6"
    & skf21("7","3","7","4","6","5","3","1") = "6"
    & skf21("7","3","7","4","6","5","4","1") = "6"
    & skf21("7","3","7","4","6","5","5","1") = "6"
    & skf21("7","3","7","4","6","5","6","1") = "6"
    & skf21("7","3","7","4","6","5","7","1") = "6"
    & skf21("7","3","7","4","6","6","1","1") = "6"
    & skf21("7","3","7","4","6","6","2","1") = "6"
    & skf21("7","3","7","4","6","6","3","1") = "6"
    & skf21("7","3","7","4","6","6","4","1") = "6"
    & skf21("7","3","7","4","6","6","5","1") = "6"
    & skf21("7","3","7","4","6","6","6","1") = "6"
    & skf21("7","3","7","4","6","6","7","1") = "6"
    & skf21("7","3","7","4","6","7","1","1") = "6"
    & skf21("7","3","7","4","6","7","2","1") = "6"
    & skf21("7","3","7","4","6","7","3","1") = "6"
    & skf21("7","3","7","4","6","7","4","1") = "6"
    & skf21("7","3","7","4","6","7","5","1") = "6"
    & skf21("7","3","7","4","6","7","6","1") = "6"
    & skf21("7","3","7","4","6","7","7","1") = "6"
    & skf21("7","3","7","4","7","1","1","1") = "6"
    & skf21("7","3","7","4","7","1","2","1") = "6"
    & skf21("7","3","7","4","7","1","3","1") = "6"
    & skf21("7","3","7","4","7","1","4","1") = "6"
    & skf21("7","3","7","4","7","1","5","1") = "6"
    & skf21("7","3","7","4","7","1","6","1") = "6"
    & skf21("7","3","7","4","7","1","7","1") = "6"
    & skf21("7","3","7","4","7","2","1","1") = "6"
    & skf21("7","3","7","4","7","2","2","1") = "6"
    & skf21("7","3","7","4","7","2","3","1") = "6"
    & skf21("7","3","7","4","7","2","4","1") = "6"
    & skf21("7","3","7","4","7","2","5","1") = "6"
    & skf21("7","3","7","4","7","2","6","1") = "6"
    & skf21("7","3","7","4","7","2","7","1") = "6"
    & skf21("7","3","7","4","7","3","1","1") = "6"
    & skf21("7","3","7","4","7","3","2","1") = "6"
    & skf21("7","3","7","4","7","3","3","1") = "6"
    & skf21("7","3","7","4","7","3","4","1") = "6"
    & skf21("7","3","7","4","7","3","5","1") = "6"
    & skf21("7","3","7","4","7","3","6","1") = "6"
    & skf21("7","3","7","4","7","3","7","1") = "6"
    & skf21("7","3","7","4","7","4","1","1") = "6"
    & skf21("7","3","7","4","7","4","2","1") = "6"
    & skf21("7","3","7","4","7","4","3","1") = "6"
    & skf21("7","3","7","4","7","4","4","1") = "6"
    & skf21("7","3","7","4","7","4","5","1") = "6"
    & skf21("7","3","7","4","7","4","6","1") = "6"
    & skf21("7","3","7","4","7","4","7","1") = "6"
    & skf21("7","3","7","4","7","5","1","1") = "6"
    & skf21("7","3","7","4","7","5","2","1") = "6"
    & skf21("7","3","7","4","7","5","3","1") = "6"
    & skf21("7","3","7","4","7","5","4","1") = "6"
    & skf21("7","3","7","4","7","5","5","1") = "6"
    & skf21("7","3","7","4","7","5","6","1") = "6"
    & skf21("7","3","7","4","7","5","7","1") = "6"
    & skf21("7","3","7","4","7","6","1","1") = "6"
    & skf21("7","3","7","4","7","6","2","1") = "6"
    & skf21("7","3","7","4","7","6","3","1") = "6"
    & skf21("7","3","7","4","7","6","4","1") = "6"
    & skf21("7","3","7","4","7","6","5","1") = "6"
    & skf21("7","3","7","4","7","6","6","1") = "6"
    & skf21("7","3","7","4","7","6","7","1") = "6"
    & skf21("7","3","7","4","7","7","1","1") = "6"
    & skf21("7","3","7","4","7","7","2","1") = "6"
    & skf21("7","3","7","4","7","7","3","1") = "6"
    & skf21("7","3","7","4","7","7","4","1") = "6"
    & skf21("7","3","7","4","7","7","5","1") = "6"
    & skf21("7","3","7","4","7","7","6","1") = "6"
    & skf21("7","3","7","4","7","7","7","1") = "6"
    & skf21("7","3","7","5","1","1","1","1") = "6"
    & skf21("7","3","7","5","1","1","2","1") = "6"
    & skf21("7","3","7","5","1","1","3","1") = "6"
    & skf21("7","3","7","5","1","1","4","1") = "6"
    & skf21("7","3","7","5","1","1","5","1") = "6"
    & skf21("7","3","7","5","1","1","6","1") = "6"
    & skf21("7","3","7","5","1","1","7","1") = "6"
    & skf21("7","3","7","5","1","2","1","1") = "6"
    & skf21("7","3","7","5","1","2","2","1") = "6"
    & skf21("7","3","7","5","1","2","3","1") = "6"
    & skf21("7","3","7","5","1","2","4","1") = "6"
    & skf21("7","3","7","5","1","2","5","1") = "6"
    & skf21("7","3","7","5","1","2","6","1") = "6"
    & skf21("7","3","7","5","1","2","7","1") = "6"
    & skf21("7","3","7","5","1","3","1","1") = "6"
    & skf21("7","3","7","5","1","3","2","1") = "6"
    & skf21("7","3","7","5","1","3","3","1") = "6"
    & skf21("7","3","7","5","1","3","4","1") = "6"
    & skf21("7","3","7","5","1","3","5","1") = "6"
    & skf21("7","3","7","5","1","3","6","1") = "6"
    & skf21("7","3","7","5","1","3","7","1") = "6"
    & skf21("7","3","7","5","1","4","1","1") = "6"
    & skf21("7","3","7","5","1","4","2","1") = "6"
    & skf21("7","3","7","5","1","4","3","1") = "6"
    & skf21("7","3","7","5","1","4","4","1") = "6"
    & skf21("7","3","7","5","1","4","5","1") = "6"
    & skf21("7","3","7","5","1","4","6","1") = "6"
    & skf21("7","3","7","5","1","4","7","1") = "6"
    & skf21("7","3","7","5","1","5","1","1") = "6"
    & skf21("7","3","7","5","1","5","2","1") = "6"
    & skf21("7","3","7","5","1","5","3","1") = "6"
    & skf21("7","3","7","5","1","5","4","1") = "6"
    & skf21("7","3","7","5","1","5","5","1") = "6"
    & skf21("7","3","7","5","1","5","6","1") = "6"
    & skf21("7","3","7","5","1","5","7","1") = "6"
    & skf21("7","3","7","5","1","6","1","1") = "6"
    & skf21("7","3","7","5","1","6","2","1") = "6"
    & skf21("7","3","7","5","1","6","3","1") = "6"
    & skf21("7","3","7","5","1","6","4","1") = "6"
    & skf21("7","3","7","5","1","6","5","1") = "6"
    & skf21("7","3","7","5","1","6","6","1") = "6"
    & skf21("7","3","7","5","1","6","7","1") = "6"
    & skf21("7","3","7","5","1","7","1","1") = "6"
    & skf21("7","3","7","5","1","7","2","1") = "6"
    & skf21("7","3","7","5","1","7","3","1") = "6"
    & skf21("7","3","7","5","1","7","4","1") = "6"
    & skf21("7","3","7","5","1","7","5","1") = "6"
    & skf21("7","3","7","5","1","7","6","1") = "6"
    & skf21("7","3","7","5","1","7","7","1") = "6"
    & skf21("7","3","7","5","2","1","1","1") = "6"
    & skf21("7","3","7","5","2","1","2","1") = "6"
    & skf21("7","3","7","5","2","1","3","1") = "6"
    & skf21("7","3","7","5","2","1","4","1") = "6"
    & skf21("7","3","7","5","2","1","5","1") = "6"
    & skf21("7","3","7","5","2","1","6","1") = "6"
    & skf21("7","3","7","5","2","1","7","1") = "6"
    & skf21("7","3","7","5","2","2","1","1") = "6"
    & skf21("7","3","7","5","2","2","2","1") = "6"
    & skf21("7","3","7","5","2","2","3","1") = "6"
    & skf21("7","3","7","5","2","2","4","1") = "6"
    & skf21("7","3","7","5","2","2","5","1") = "6"
    & skf21("7","3","7","5","2","2","6","1") = "6"
    & skf21("7","3","7","5","2","2","7","1") = "6"
    & skf21("7","3","7","5","2","3","1","1") = "6"
    & skf21("7","3","7","5","2","3","2","1") = "6"
    & skf21("7","3","7","5","2","3","3","1") = "6"
    & skf21("7","3","7","5","2","3","4","1") = "6"
    & skf21("7","3","7","5","2","3","5","1") = "6"
    & skf21("7","3","7","5","2","3","6","1") = "6"
    & skf21("7","3","7","5","2","3","7","1") = "6"
    & skf21("7","3","7","5","2","4","1","1") = "6"
    & skf21("7","3","7","5","2","4","2","1") = "6"
    & skf21("7","3","7","5","2","4","3","1") = "6"
    & skf21("7","3","7","5","2","4","4","1") = "6"
    & skf21("7","3","7","5","2","4","5","1") = "6"
    & skf21("7","3","7","5","2","4","6","1") = "6"
    & skf21("7","3","7","5","2","4","7","1") = "6"
    & skf21("7","3","7","5","2","5","1","1") = "6"
    & skf21("7","3","7","5","2","5","2","1") = "6"
    & skf21("7","3","7","5","2","5","3","1") = "6"
    & skf21("7","3","7","5","2","5","4","1") = "6"
    & skf21("7","3","7","5","2","5","5","1") = "6"
    & skf21("7","3","7","5","2","5","6","1") = "6"
    & skf21("7","3","7","5","2","5","7","1") = "6"
    & skf21("7","3","7","5","2","6","1","1") = "6"
    & skf21("7","3","7","5","2","6","2","1") = "6"
    & skf21("7","3","7","5","2","6","3","1") = "6"
    & skf21("7","3","7","5","2","6","4","1") = "6"
    & skf21("7","3","7","5","2","6","5","1") = "6"
    & skf21("7","3","7","5","2","6","6","1") = "6"
    & skf21("7","3","7","5","2","6","7","1") = "6"
    & skf21("7","3","7","5","2","7","1","1") = "6"
    & skf21("7","3","7","5","2","7","2","1") = "6"
    & skf21("7","3","7","5","2","7","3","1") = "6"
    & skf21("7","3","7","5","2","7","4","1") = "6"
    & skf21("7","3","7","5","2","7","5","1") = "6"
    & skf21("7","3","7","5","2","7","6","1") = "6"
    & skf21("7","3","7","5","2","7","7","1") = "6"
    & skf21("7","3","7","5","3","1","1","1") = "6"
    & skf21("7","3","7","5","3","1","2","1") = "6"
    & skf21("7","3","7","5","3","1","3","1") = "6"
    & skf21("7","3","7","5","3","1","4","1") = "6"
    & skf21("7","3","7","5","3","1","5","1") = "6"
    & skf21("7","3","7","5","3","1","6","1") = "6"
    & skf21("7","3","7","5","3","1","7","1") = "6"
    & skf21("7","3","7","5","3","2","1","1") = "6"
    & skf21("7","3","7","5","3","2","2","1") = "6"
    & skf21("7","3","7","5","3","2","3","1") = "6"
    & skf21("7","3","7","5","3","2","4","1") = "6"
    & skf21("7","3","7","5","3","2","5","1") = "6"
    & skf21("7","3","7","5","3","2","6","1") = "6"
    & skf21("7","3","7","5","3","2","7","1") = "6"
    & skf21("7","3","7","5","3","3","1","1") = "6"
    & skf21("7","3","7","5","3","3","2","1") = "6"
    & skf21("7","3","7","5","3","3","3","1") = "6"
    & skf21("7","3","7","5","3","3","4","1") = "6"
    & skf21("7","3","7","5","3","3","5","1") = "6"
    & skf21("7","3","7","5","3","3","6","1") = "6"
    & skf21("7","3","7","5","3","3","7","1") = "6"
    & skf21("7","3","7","5","3","4","1","1") = "6"
    & skf21("7","3","7","5","3","4","2","1") = "6"
    & skf21("7","3","7","5","3","4","3","1") = "6"
    & skf21("7","3","7","5","3","4","4","1") = "6"
    & skf21("7","3","7","5","3","4","5","1") = "6"
    & skf21("7","3","7","5","3","4","6","1") = "6"
    & skf21("7","3","7","5","3","4","7","1") = "6"
    & skf21("7","3","7","5","3","5","1","1") = "6"
    & skf21("7","3","7","5","3","5","2","1") = "6"
    & skf21("7","3","7","5","3","5","3","1") = "6"
    & skf21("7","3","7","5","3","5","4","1") = "6"
    & skf21("7","3","7","5","3","5","5","1") = "6"
    & skf21("7","3","7","5","3","5","6","1") = "6"
    & skf21("7","3","7","5","3","5","7","1") = "6"
    & skf21("7","3","7","5","3","6","1","1") = "6"
    & skf21("7","3","7","5","3","6","2","1") = "6"
    & skf21("7","3","7","5","3","6","3","1") = "6"
    & skf21("7","3","7","5","3","6","4","1") = "6"
    & skf21("7","3","7","5","3","6","5","1") = "6"
    & skf21("7","3","7","5","3","6","6","1") = "6"
    & skf21("7","3","7","5","3","6","7","1") = "6"
    & skf21("7","3","7","5","3","7","1","1") = "6"
    & skf21("7","3","7","5","3","7","2","1") = "6"
    & skf21("7","3","7","5","3","7","3","1") = "6"
    & skf21("7","3","7","5","3","7","4","1") = "6"
    & skf21("7","3","7","5","3","7","5","1") = "6"
    & skf21("7","3","7","5","3","7","6","1") = "6"
    & skf21("7","3","7","5","3","7","7","1") = "6"
    & skf21("7","3","7","5","4","1","1","1") = "6"
    & skf21("7","3","7","5","4","1","2","1") = "6"
    & skf21("7","3","7","5","4","1","3","1") = "6"
    & skf21("7","3","7","5","4","1","4","1") = "6"
    & skf21("7","3","7","5","4","1","5","1") = "6"
    & skf21("7","3","7","5","4","1","6","1") = "6"
    & skf21("7","3","7","5","4","1","7","1") = "6"
    & skf21("7","3","7","5","4","2","1","1") = "6"
    & skf21("7","3","7","5","4","2","2","1") = "6"
    & skf21("7","3","7","5","4","2","3","1") = "6"
    & skf21("7","3","7","5","4","2","4","1") = "6"
    & skf21("7","3","7","5","4","2","5","1") = "6"
    & skf21("7","3","7","5","4","2","6","1") = "6"
    & skf21("7","3","7","5","4","2","7","1") = "6"
    & skf21("7","3","7","5","4","3","1","1") = "6"
    & skf21("7","3","7","5","4","3","2","1") = "6"
    & skf21("7","3","7","5","4","3","3","1") = "6"
    & skf21("7","3","7","5","4","3","4","1") = "6"
    & skf21("7","3","7","5","4","3","5","1") = "6"
    & skf21("7","3","7","5","4","3","6","1") = "6"
    & skf21("7","3","7","5","4","3","7","1") = "6"
    & skf21("7","3","7","5","4","4","1","1") = "6"
    & skf21("7","3","7","5","4","4","2","1") = "6"
    & skf21("7","3","7","5","4","4","3","1") = "6"
    & skf21("7","3","7","5","4","4","4","1") = "6"
    & skf21("7","3","7","5","4","4","5","1") = "6"
    & skf21("7","3","7","5","4","4","6","1") = "6"
    & skf21("7","3","7","5","4","4","7","1") = "6"
    & skf21("7","3","7","5","4","5","1","1") = "6"
    & skf21("7","3","7","5","4","5","2","1") = "6"
    & skf21("7","3","7","5","4","5","3","1") = "6"
    & skf21("7","3","7","5","4","5","4","1") = "6"
    & skf21("7","3","7","5","4","5","5","1") = "6"
    & skf21("7","3","7","5","4","5","6","1") = "6"
    & skf21("7","3","7","5","4","5","7","1") = "6"
    & skf21("7","3","7","5","4","6","1","1") = "6"
    & skf21("7","3","7","5","4","6","2","1") = "6"
    & skf21("7","3","7","5","4","6","3","1") = "6"
    & skf21("7","3","7","5","4","6","4","1") = "6"
    & skf21("7","3","7","5","4","6","5","1") = "6"
    & skf21("7","3","7","5","4","6","6","1") = "6"
    & skf21("7","3","7","5","4","6","7","1") = "6"
    & skf21("7","3","7","5","4","7","1","1") = "6"
    & skf21("7","3","7","5","4","7","2","1") = "6"
    & skf21("7","3","7","5","4","7","3","1") = "6"
    & skf21("7","3","7","5","4","7","4","1") = "6"
    & skf21("7","3","7","5","4","7","5","1") = "6"
    & skf21("7","3","7","5","4","7","6","1") = "6"
    & skf21("7","3","7","5","4","7","7","1") = "6"
    & skf21("7","3","7","5","5","1","1","1") = "6"
    & skf21("7","3","7","5","5","1","2","1") = "6"
    & skf21("7","3","7","5","5","1","3","1") = "6"
    & skf21("7","3","7","5","5","1","4","1") = "6"
    & skf21("7","3","7","5","5","1","5","1") = "6"
    & skf21("7","3","7","5","5","1","6","1") = "6"
    & skf21("7","3","7","5","5","1","7","1") = "6"
    & skf21("7","3","7","5","5","2","1","1") = "6"
    & skf21("7","3","7","5","5","2","2","1") = "6"
    & skf21("7","3","7","5","5","2","3","1") = "6"
    & skf21("7","3","7","5","5","2","4","1") = "6"
    & skf21("7","3","7","5","5","2","5","1") = "6"
    & skf21("7","3","7","5","5","2","6","1") = "6"
    & skf21("7","3","7","5","5","2","7","1") = "6"
    & skf21("7","3","7","5","5","3","1","1") = "6"
    & skf21("7","3","7","5","5","3","2","1") = "6"
    & skf21("7","3","7","5","5","3","3","1") = "6"
    & skf21("7","3","7","5","5","3","4","1") = "6"
    & skf21("7","3","7","5","5","3","5","1") = "6"
    & skf21("7","3","7","5","5","3","6","1") = "6"
    & skf21("7","3","7","5","5","3","7","1") = "6"
    & skf21("7","3","7","5","5","4","1","1") = "6"
    & skf21("7","3","7","5","5","4","2","1") = "6"
    & skf21("7","3","7","5","5","4","3","1") = "6"
    & skf21("7","3","7","5","5","4","4","1") = "6"
    & skf21("7","3","7","5","5","4","5","1") = "6"
    & skf21("7","3","7","5","5","4","6","1") = "6"
    & skf21("7","3","7","5","5","4","7","1") = "6"
    & skf21("7","3","7","5","5","5","1","1") = "6"
    & skf21("7","3","7","5","5","5","2","1") = "6"
    & skf21("7","3","7","5","5","5","3","1") = "6"
    & skf21("7","3","7","5","5","5","4","1") = "6"
    & skf21("7","3","7","5","5","5","5","1") = "6"
    & skf21("7","3","7","5","5","5","6","1") = "6"
    & skf21("7","3","7","5","5","5","7","1") = "6"
    & skf21("7","3","7","5","5","6","1","1") = "6"
    & skf21("7","3","7","5","5","6","2","1") = "6"
    & skf21("7","3","7","5","5","6","3","1") = "6"
    & skf21("7","3","7","5","5","6","4","1") = "6"
    & skf21("7","3","7","5","5","6","5","1") = "6"
    & skf21("7","3","7","5","5","6","6","1") = "6"
    & skf21("7","3","7","5","5","6","7","1") = "6"
    & skf21("7","3","7","5","5","7","1","1") = "6"
    & skf21("7","3","7","5","5","7","2","1") = "6"
    & skf21("7","3","7","5","5","7","3","1") = "6"
    & skf21("7","3","7","5","5","7","4","1") = "6"
    & skf21("7","3","7","5","5","7","5","1") = "6"
    & skf21("7","3","7","5","5","7","6","1") = "6"
    & skf21("7","3","7","5","5","7","7","1") = "6"
    & skf21("7","3","7","5","6","1","1","1") = "6"
    & skf21("7","3","7","5","6","1","2","1") = "6"
    & skf21("7","3","7","5","6","1","3","1") = "6"
    & skf21("7","3","7","5","6","1","4","1") = "6"
    & skf21("7","3","7","5","6","1","5","1") = "6"
    & skf21("7","3","7","5","6","1","6","1") = "6"
    & skf21("7","3","7","5","6","1","7","1") = "6"
    & skf21("7","3","7","5","6","2","1","1") = "6"
    & skf21("7","3","7","5","6","2","2","1") = "6"
    & skf21("7","3","7","5","6","2","3","1") = "6"
    & skf21("7","3","7","5","6","2","4","1") = "6"
    & skf21("7","3","7","5","6","2","5","1") = "6"
    & skf21("7","3","7","5","6","2","6","1") = "6"
    & skf21("7","3","7","5","6","2","7","1") = "6"
    & skf21("7","3","7","5","6","3","1","1") = "6"
    & skf21("7","3","7","5","6","3","2","1") = "6"
    & skf21("7","3","7","5","6","3","3","1") = "6"
    & skf21("7","3","7","5","6","3","4","1") = "6"
    & skf21("7","3","7","5","6","3","5","1") = "6"
    & skf21("7","3","7","5","6","3","6","1") = "6"
    & skf21("7","3","7","5","6","3","7","1") = "6"
    & skf21("7","3","7","5","6","4","1","1") = "6"
    & skf21("7","3","7","5","6","4","2","1") = "6"
    & skf21("7","3","7","5","6","4","3","1") = "6"
    & skf21("7","3","7","5","6","4","4","1") = "6"
    & skf21("7","3","7","5","6","4","5","1") = "6"
    & skf21("7","3","7","5","6","4","6","1") = "6"
    & skf21("7","3","7","5","6","4","7","1") = "6"
    & skf21("7","3","7","5","6","5","1","1") = "6"
    & skf21("7","3","7","5","6","5","2","1") = "6"
    & skf21("7","3","7","5","6","5","3","1") = "6"
    & skf21("7","3","7","5","6","5","4","1") = "6"
    & skf21("7","3","7","5","6","5","5","1") = "6"
    & skf21("7","3","7","5","6","5","6","1") = "6"
    & skf21("7","3","7","5","6","5","7","1") = "6"
    & skf21("7","3","7","5","6","6","1","1") = "6"
    & skf21("7","3","7","5","6","6","2","1") = "6"
    & skf21("7","3","7","5","6","6","3","1") = "6"
    & skf21("7","3","7","5","6","6","4","1") = "6"
    & skf21("7","3","7","5","6","6","5","1") = "6"
    & skf21("7","3","7","5","6","6","6","1") = "6"
    & skf21("7","3","7","5","6","6","7","1") = "6"
    & skf21("7","3","7","5","6","7","1","1") = "6"
    & skf21("7","3","7","5","6","7","2","1") = "6"
    & skf21("7","3","7","5","6","7","3","1") = "6"
    & skf21("7","3","7","5","6","7","4","1") = "6"
    & skf21("7","3","7","5","6","7","5","1") = "6"
    & skf21("7","3","7","5","6","7","6","1") = "6"
    & skf21("7","3","7","5","6","7","7","1") = "6"
    & skf21("7","3","7","5","7","1","1","1") = "6"
    & skf21("7","3","7","5","7","1","2","1") = "6"
    & skf21("7","3","7","5","7","1","3","1") = "6"
    & skf21("7","3","7","5","7","1","4","1") = "6"
    & skf21("7","3","7","5","7","1","5","1") = "6"
    & skf21("7","3","7","5","7","1","6","1") = "6"
    & skf21("7","3","7","5","7","1","7","1") = "6"
    & skf21("7","3","7","5","7","2","1","1") = "6"
    & skf21("7","3","7","5","7","2","2","1") = "6"
    & skf21("7","3","7","5","7","2","3","1") = "6"
    & skf21("7","3","7","5","7","2","4","1") = "6"
    & skf21("7","3","7","5","7","2","5","1") = "6"
    & skf21("7","3","7","5","7","2","6","1") = "6"
    & skf21("7","3","7","5","7","2","7","1") = "6"
    & skf21("7","3","7","5","7","3","1","1") = "6"
    & skf21("7","3","7","5","7","3","2","1") = "6"
    & skf21("7","3","7","5","7","3","3","1") = "6"
    & skf21("7","3","7","5","7","3","4","1") = "6"
    & skf21("7","3","7","5","7","3","5","1") = "6"
    & skf21("7","3","7","5","7","3","6","1") = "6"
    & skf21("7","3","7","5","7","3","7","1") = "6"
    & skf21("7","3","7","5","7","4","1","1") = "6"
    & skf21("7","3","7","5","7","4","2","1") = "6"
    & skf21("7","3","7","5","7","4","3","1") = "6"
    & skf21("7","3","7","5","7","4","4","1") = "6"
    & skf21("7","3","7","5","7","4","5","1") = "6"
    & skf21("7","3","7","5","7","4","6","1") = "6"
    & skf21("7","3","7","5","7","4","7","1") = "6"
    & skf21("7","3","7","5","7","5","1","1") = "6"
    & skf21("7","3","7","5","7","5","2","1") = "6"
    & skf21("7","3","7","5","7","5","3","1") = "6"
    & skf21("7","3","7","5","7","5","4","1") = "6"
    & skf21("7","3","7","5","7","5","5","1") = "6"
    & skf21("7","3","7","5","7","5","6","1") = "6"
    & skf21("7","3","7","5","7","5","7","1") = "6"
    & skf21("7","3","7","5","7","6","1","1") = "6"
    & skf21("7","3","7","5","7","6","2","1") = "6"
    & skf21("7","3","7","5","7","6","3","1") = "6"
    & skf21("7","3","7","5","7","6","4","1") = "6"
    & skf21("7","3","7","5","7","6","5","1") = "6"
    & skf21("7","3","7","5","7","6","6","1") = "6"
    & skf21("7","3","7","5","7","6","7","1") = "6"
    & skf21("7","3","7","5","7","7","1","1") = "6"
    & skf21("7","3","7","5","7","7","2","1") = "6"
    & skf21("7","3","7","5","7","7","3","1") = "6"
    & skf21("7","3","7","5","7","7","4","1") = "6"
    & skf21("7","3","7","5","7","7","5","1") = "6"
    & skf21("7","3","7","5","7","7","6","1") = "6"
    & skf21("7","3","7","5","7","7","7","1") = "6"
    & skf21("7","3","7","6","1","1","1","1") = "6"
    & skf21("7","3","7","6","1","1","2","1") = "6"
    & skf21("7","3","7","6","1","1","3","1") = "6"
    & skf21("7","3","7","6","1","1","4","1") = "6"
    & skf21("7","3","7","6","1","1","5","1") = "6"
    & skf21("7","3","7","6","1","1","6","1") = "6"
    & skf21("7","3","7","6","1","1","7","1") = "6"
    & skf21("7","3","7","6","1","2","1","1") = "6"
    & skf21("7","3","7","6","1","2","2","1") = "6"
    & skf21("7","3","7","6","1","2","3","1") = "6"
    & skf21("7","3","7","6","1","2","4","1") = "6"
    & skf21("7","3","7","6","1","2","5","1") = "6"
    & skf21("7","3","7","6","1","2","6","1") = "6"
    & skf21("7","3","7","6","1","2","7","1") = "6"
    & skf21("7","3","7","6","1","3","1","1") = "6"
    & skf21("7","3","7","6","1","3","2","1") = "6"
    & skf21("7","3","7","6","1","3","3","1") = "6"
    & skf21("7","3","7","6","1","3","4","1") = "6"
    & skf21("7","3","7","6","1","3","5","1") = "6"
    & skf21("7","3","7","6","1","3","6","1") = "6"
    & skf21("7","3","7","6","1","3","7","1") = "6"
    & skf21("7","3","7","6","1","4","1","1") = "6"
    & skf21("7","3","7","6","1","4","2","1") = "6"
    & skf21("7","3","7","6","1","4","3","1") = "6"
    & skf21("7","3","7","6","1","4","4","1") = "6"
    & skf21("7","3","7","6","1","4","5","1") = "6"
    & skf21("7","3","7","6","1","4","6","1") = "6"
    & skf21("7","3","7","6","1","4","7","1") = "6"
    & skf21("7","3","7","6","1","5","1","1") = "6"
    & skf21("7","3","7","6","1","5","2","1") = "6"
    & skf21("7","3","7","6","1","5","3","1") = "6"
    & skf21("7","3","7","6","1","5","4","1") = "6"
    & skf21("7","3","7","6","1","5","5","1") = "6"
    & skf21("7","3","7","6","1","5","6","1") = "6"
    & skf21("7","3","7","6","1","5","7","1") = "6"
    & skf21("7","3","7","6","1","6","1","1") = "6"
    & skf21("7","3","7","6","1","6","2","1") = "6"
    & skf21("7","3","7","6","1","6","3","1") = "6"
    & skf21("7","3","7","6","1","6","4","1") = "6"
    & skf21("7","3","7","6","1","6","5","1") = "6"
    & skf21("7","3","7","6","1","6","6","1") = "6"
    & skf21("7","3","7","6","1","6","7","1") = "6"
    & skf21("7","3","7","6","1","7","1","1") = "6"
    & skf21("7","3","7","6","1","7","2","1") = "6"
    & skf21("7","3","7","6","1","7","3","1") = "6"
    & skf21("7","3","7","6","1","7","4","1") = "6"
    & skf21("7","3","7","6","1","7","5","1") = "6"
    & skf21("7","3","7","6","1","7","6","1") = "6"
    & skf21("7","3","7","6","1","7","7","1") = "6"
    & skf21("7","3","7","6","2","1","1","1") = "6"
    & skf21("7","3","7","6","2","1","2","1") = "6"
    & skf21("7","3","7","6","2","1","3","1") = "6"
    & skf21("7","3","7","6","2","1","4","1") = "6"
    & skf21("7","3","7","6","2","1","5","1") = "6"
    & skf21("7","3","7","6","2","1","6","1") = "6"
    & skf21("7","3","7","6","2","1","7","1") = "6"
    & skf21("7","3","7","6","2","2","1","1") = "6"
    & skf21("7","3","7","6","2","2","2","1") = "6"
    & skf21("7","3","7","6","2","2","3","1") = "6"
    & skf21("7","3","7","6","2","2","4","1") = "6"
    & skf21("7","3","7","6","2","2","5","1") = "6"
    & skf21("7","3","7","6","2","2","6","1") = "6"
    & skf21("7","3","7","6","2","2","7","1") = "6"
    & skf21("7","3","7","6","2","3","1","1") = "6"
    & skf21("7","3","7","6","2","3","2","1") = "6"
    & skf21("7","3","7","6","2","3","3","1") = "6"
    & skf21("7","3","7","6","2","3","4","1") = "6"
    & skf21("7","3","7","6","2","3","5","1") = "6"
    & skf21("7","3","7","6","2","3","6","1") = "6"
    & skf21("7","3","7","6","2","3","7","1") = "6"
    & skf21("7","3","7","6","2","4","1","1") = "6"
    & skf21("7","3","7","6","2","4","2","1") = "6"
    & skf21("7","3","7","6","2","4","3","1") = "6"
    & skf21("7","3","7","6","2","4","4","1") = "6"
    & skf21("7","3","7","6","2","4","5","1") = "6"
    & skf21("7","3","7","6","2","4","6","1") = "6"
    & skf21("7","3","7","6","2","4","7","1") = "6"
    & skf21("7","3","7","6","2","5","1","1") = "6"
    & skf21("7","3","7","6","2","5","2","1") = "6"
    & skf21("7","3","7","6","2","5","3","1") = "6"
    & skf21("7","3","7","6","2","5","4","1") = "6"
    & skf21("7","3","7","6","2","5","5","1") = "6"
    & skf21("7","3","7","6","2","5","6","1") = "6"
    & skf21("7","3","7","6","2","5","7","1") = "6"
    & skf21("7","3","7","6","2","6","1","1") = "6"
    & skf21("7","3","7","6","2","6","2","1") = "6"
    & skf21("7","3","7","6","2","6","3","1") = "6"
    & skf21("7","3","7","6","2","6","4","1") = "6"
    & skf21("7","3","7","6","2","6","5","1") = "6"
    & skf21("7","3","7","6","2","6","6","1") = "6"
    & skf21("7","3","7","6","2","6","7","1") = "6"
    & skf21("7","3","7","6","2","7","1","1") = "6"
    & skf21("7","3","7","6","2","7","2","1") = "6"
    & skf21("7","3","7","6","2","7","3","1") = "6"
    & skf21("7","3","7","6","2","7","4","1") = "6"
    & skf21("7","3","7","6","2","7","5","1") = "6"
    & skf21("7","3","7","6","2","7","6","1") = "6"
    & skf21("7","3","7","6","2","7","7","1") = "6"
    & skf21("7","3","7","6","3","1","1","1") = "6"
    & skf21("7","3","7","6","3","1","2","1") = "6"
    & skf21("7","3","7","6","3","1","3","1") = "6"
    & skf21("7","3","7","6","3","1","4","1") = "6"
    & skf21("7","3","7","6","3","1","5","1") = "6"
    & skf21("7","3","7","6","3","1","6","1") = "6"
    & skf21("7","3","7","6","3","1","7","1") = "6"
    & skf21("7","3","7","6","3","2","1","1") = "6"
    & skf21("7","3","7","6","3","2","2","1") = "6"
    & skf21("7","3","7","6","3","2","3","1") = "6"
    & skf21("7","3","7","6","3","2","4","1") = "6"
    & skf21("7","3","7","6","3","2","5","1") = "6"
    & skf21("7","3","7","6","3","2","6","1") = "6"
    & skf21("7","3","7","6","3","2","7","1") = "6"
    & skf21("7","3","7","6","3","3","1","1") = "6"
    & skf21("7","3","7","6","3","3","2","1") = "6"
    & skf21("7","3","7","6","3","3","3","1") = "6"
    & skf21("7","3","7","6","3","3","4","1") = "6"
    & skf21("7","3","7","6","3","3","5","1") = "6"
    & skf21("7","3","7","6","3","3","6","1") = "6"
    & skf21("7","3","7","6","3","3","7","1") = "6"
    & skf21("7","3","7","6","3","4","1","1") = "6"
    & skf21("7","3","7","6","3","4","2","1") = "6"
    & skf21("7","3","7","6","3","4","3","1") = "6"
    & skf21("7","3","7","6","3","4","4","1") = "6"
    & skf21("7","3","7","6","3","4","5","1") = "6"
    & skf21("7","3","7","6","3","4","6","1") = "6"
    & skf21("7","3","7","6","3","4","7","1") = "6"
    & skf21("7","3","7","6","3","5","1","1") = "6"
    & skf21("7","3","7","6","3","5","2","1") = "6"
    & skf21("7","3","7","6","3","5","3","1") = "6"
    & skf21("7","3","7","6","3","5","4","1") = "6"
    & skf21("7","3","7","6","3","5","5","1") = "6"
    & skf21("7","3","7","6","3","5","6","1") = "6"
    & skf21("7","3","7","6","3","5","7","1") = "6"
    & skf21("7","3","7","6","3","6","1","1") = "6"
    & skf21("7","3","7","6","3","6","2","1") = "6"
    & skf21("7","3","7","6","3","6","3","1") = "6"
    & skf21("7","3","7","6","3","6","4","1") = "6"
    & skf21("7","3","7","6","3","6","5","1") = "6"
    & skf21("7","3","7","6","3","6","6","1") = "6"
    & skf21("7","3","7","6","3","6","7","1") = "6"
    & skf21("7","3","7","6","3","7","1","1") = "6"
    & skf21("7","3","7","6","3","7","2","1") = "6"
    & skf21("7","3","7","6","3","7","3","1") = "6"
    & skf21("7","3","7","6","3","7","4","1") = "6"
    & skf21("7","3","7","6","3","7","5","1") = "6"
    & skf21("7","3","7","6","3","7","6","1") = "6"
    & skf21("7","3","7","6","3","7","7","1") = "6"
    & skf21("7","3","7","6","4","1","1","1") = "6"
    & skf21("7","3","7","6","4","1","2","1") = "6"
    & skf21("7","3","7","6","4","1","3","1") = "6"
    & skf21("7","3","7","6","4","1","4","1") = "6"
    & skf21("7","3","7","6","4","1","5","1") = "6"
    & skf21("7","3","7","6","4","1","6","1") = "6"
    & skf21("7","3","7","6","4","1","7","1") = "6"
    & skf21("7","3","7","6","4","2","1","1") = "6"
    & skf21("7","3","7","6","4","2","2","1") = "6"
    & skf21("7","3","7","6","4","2","3","1") = "6"
    & skf21("7","3","7","6","4","2","4","1") = "6"
    & skf21("7","3","7","6","4","2","5","1") = "6"
    & skf21("7","3","7","6","4","2","6","1") = "6"
    & skf21("7","3","7","6","4","2","7","1") = "6"
    & skf21("7","3","7","6","4","3","1","1") = "6"
    & skf21("7","3","7","6","4","3","2","1") = "6"
    & skf21("7","3","7","6","4","3","3","1") = "6"
    & skf21("7","3","7","6","4","3","4","1") = "6"
    & skf21("7","3","7","6","4","3","5","1") = "6"
    & skf21("7","3","7","6","4","3","6","1") = "6"
    & skf21("7","3","7","6","4","3","7","1") = "6"
    & skf21("7","3","7","6","4","4","1","1") = "6"
    & skf21("7","3","7","6","4","4","2","1") = "6"
    & skf21("7","3","7","6","4","4","3","1") = "6"
    & skf21("7","3","7","6","4","4","4","1") = "6"
    & skf21("7","3","7","6","4","4","5","1") = "6"
    & skf21("7","3","7","6","4","4","6","1") = "6"
    & skf21("7","3","7","6","4","4","7","1") = "6"
    & skf21("7","3","7","6","4","5","1","1") = "6"
    & skf21("7","3","7","6","4","5","2","1") = "6"
    & skf21("7","3","7","6","4","5","3","1") = "6"
    & skf21("7","3","7","6","4","5","4","1") = "6"
    & skf21("7","3","7","6","4","5","5","1") = "6"
    & skf21("7","3","7","6","4","5","6","1") = "6"
    & skf21("7","3","7","6","4","5","7","1") = "6"
    & skf21("7","3","7","6","4","6","1","1") = "6"
    & skf21("7","3","7","6","4","6","2","1") = "6"
    & skf21("7","3","7","6","4","6","3","1") = "6"
    & skf21("7","3","7","6","4","6","4","1") = "6"
    & skf21("7","3","7","6","4","6","5","1") = "6"
    & skf21("7","3","7","6","4","6","6","1") = "6"
    & skf21("7","3","7","6","4","6","7","1") = "6"
    & skf21("7","3","7","6","4","7","1","1") = "6"
    & skf21("7","3","7","6","4","7","2","1") = "6"
    & skf21("7","3","7","6","4","7","3","1") = "6"
    & skf21("7","3","7","6","4","7","4","1") = "6"
    & skf21("7","3","7","6","4","7","5","1") = "6"
    & skf21("7","3","7","6","4","7","6","1") = "6"
    & skf21("7","3","7","6","4","7","7","1") = "6"
    & skf21("7","3","7","6","5","1","1","1") = "6"
    & skf21("7","3","7","6","5","1","2","1") = "6"
    & skf21("7","3","7","6","5","1","3","1") = "6"
    & skf21("7","3","7","6","5","1","4","1") = "6"
    & skf21("7","3","7","6","5","1","5","1") = "6"
    & skf21("7","3","7","6","5","1","6","1") = "6"
    & skf21("7","3","7","6","5","1","7","1") = "6"
    & skf21("7","3","7","6","5","2","1","1") = "6"
    & skf21("7","3","7","6","5","2","2","1") = "6"
    & skf21("7","3","7","6","5","2","3","1") = "6"
    & skf21("7","3","7","6","5","2","4","1") = "6"
    & skf21("7","3","7","6","5","2","5","1") = "6"
    & skf21("7","3","7","6","5","2","6","1") = "6"
    & skf21("7","3","7","6","5","2","7","1") = "6"
    & skf21("7","3","7","6","5","3","1","1") = "6"
    & skf21("7","3","7","6","5","3","2","1") = "6"
    & skf21("7","3","7","6","5","3","3","1") = "6"
    & skf21("7","3","7","6","5","3","4","1") = "6"
    & skf21("7","3","7","6","5","3","5","1") = "6"
    & skf21("7","3","7","6","5","3","6","1") = "6"
    & skf21("7","3","7","6","5","3","7","1") = "6"
    & skf21("7","3","7","6","5","4","1","1") = "6"
    & skf21("7","3","7","6","5","4","2","1") = "6"
    & skf21("7","3","7","6","5","4","3","1") = "6"
    & skf21("7","3","7","6","5","4","4","1") = "6"
    & skf21("7","3","7","6","5","4","5","1") = "6"
    & skf21("7","3","7","6","5","4","6","1") = "6"
    & skf21("7","3","7","6","5","4","7","1") = "6"
    & skf21("7","3","7","6","5","5","1","1") = "6"
    & skf21("7","3","7","6","5","5","2","1") = "6"
    & skf21("7","3","7","6","5","5","3","1") = "6"
    & skf21("7","3","7","6","5","5","4","1") = "6"
    & skf21("7","3","7","6","5","5","5","1") = "6"
    & skf21("7","3","7","6","5","5","6","1") = "6"
    & skf21("7","3","7","6","5","5","7","1") = "6"
    & skf21("7","3","7","6","5","6","1","1") = "6"
    & skf21("7","3","7","6","5","6","2","1") = "6"
    & skf21("7","3","7","6","5","6","3","1") = "6"
    & skf21("7","3","7","6","5","6","4","1") = "6"
    & skf21("7","3","7","6","5","6","5","1") = "6"
    & skf21("7","3","7","6","5","6","6","1") = "6"
    & skf21("7","3","7","6","5","6","7","1") = "6"
    & skf21("7","3","7","6","5","7","1","1") = "6"
    & skf21("7","3","7","6","5","7","2","1") = "6"
    & skf21("7","3","7","6","5","7","3","1") = "6"
    & skf21("7","3","7","6","5","7","4","1") = "6"
    & skf21("7","3","7","6","5","7","5","1") = "6"
    & skf21("7","3","7","6","5","7","6","1") = "6"
    & skf21("7","3","7","6","5","7","7","1") = "6"
    & skf21("7","3","7","6","6","1","1","1") = "6"
    & skf21("7","3","7","6","6","1","2","1") = "6"
    & skf21("7","3","7","6","6","1","3","1") = "6"
    & skf21("7","3","7","6","6","1","4","1") = "6"
    & skf21("7","3","7","6","6","1","5","1") = "6"
    & skf21("7","3","7","6","6","1","6","1") = "6"
    & skf21("7","3","7","6","6","1","7","1") = "6"
    & skf21("7","3","7","6","6","2","1","1") = "6"
    & skf21("7","3","7","6","6","2","2","1") = "6"
    & skf21("7","3","7","6","6","2","3","1") = "6"
    & skf21("7","3","7","6","6","2","4","1") = "6"
    & skf21("7","3","7","6","6","2","5","1") = "6"
    & skf21("7","3","7","6","6","2","6","1") = "6"
    & skf21("7","3","7","6","6","2","7","1") = "6"
    & skf21("7","3","7","6","6","3","1","1") = "6"
    & skf21("7","3","7","6","6","3","2","1") = "6"
    & skf21("7","3","7","6","6","3","3","1") = "6"
    & skf21("7","3","7","6","6","3","4","1") = "6"
    & skf21("7","3","7","6","6","3","5","1") = "6"
    & skf21("7","3","7","6","6","3","6","1") = "6"
    & skf21("7","3","7","6","6","3","7","1") = "6"
    & skf21("7","3","7","6","6","4","1","1") = "6"
    & skf21("7","3","7","6","6","4","2","1") = "6"
    & skf21("7","3","7","6","6","4","3","1") = "6"
    & skf21("7","3","7","6","6","4","4","1") = "6"
    & skf21("7","3","7","6","6","4","5","1") = "6"
    & skf21("7","3","7","6","6","4","6","1") = "6"
    & skf21("7","3","7","6","6","4","7","1") = "6"
    & skf21("7","3","7","6","6","5","1","1") = "6"
    & skf21("7","3","7","6","6","5","2","1") = "6"
    & skf21("7","3","7","6","6","5","3","1") = "6"
    & skf21("7","3","7","6","6","5","4","1") = "6"
    & skf21("7","3","7","6","6","5","5","1") = "6"
    & skf21("7","3","7","6","6","5","6","1") = "6"
    & skf21("7","3","7","6","6","5","7","1") = "6"
    & skf21("7","3","7","6","6","6","1","1") = "6"
    & skf21("7","3","7","6","6","6","2","1") = "6"
    & skf21("7","3","7","6","6","6","3","1") = "6"
    & skf21("7","3","7","6","6","6","4","1") = "6"
    & skf21("7","3","7","6","6","6","5","1") = "6"
    & skf21("7","3","7","6","6","6","6","1") = "6"
    & skf21("7","3","7","6","6","6","7","1") = "6"
    & skf21("7","3","7","6","6","7","1","1") = "6"
    & skf21("7","3","7","6","6","7","2","1") = "6"
    & skf21("7","3","7","6","6","7","3","1") = "6"
    & skf21("7","3","7","6","6","7","4","1") = "6"
    & skf21("7","3","7","6","6","7","5","1") = "6"
    & skf21("7","3","7","6","6","7","6","1") = "6"
    & skf21("7","3","7","6","6","7","7","1") = "6"
    & skf21("7","3","7","6","7","1","1","1") = "6"
    & skf21("7","3","7","6","7","1","2","1") = "6"
    & skf21("7","3","7","6","7","1","3","1") = "6"
    & skf21("7","3","7","6","7","1","4","1") = "6"
    & skf21("7","3","7","6","7","1","5","1") = "6"
    & skf21("7","3","7","6","7","1","6","1") = "6"
    & skf21("7","3","7","6","7","1","7","1") = "6"
    & skf21("7","3","7","6","7","2","1","1") = "6"
    & skf21("7","3","7","6","7","2","2","1") = "6"
    & skf21("7","3","7","6","7","2","3","1") = "6"
    & skf21("7","3","7","6","7","2","4","1") = "6"
    & skf21("7","3","7","6","7","2","5","1") = "6"
    & skf21("7","3","7","6","7","2","6","1") = "6"
    & skf21("7","3","7","6","7","2","7","1") = "6"
    & skf21("7","3","7","6","7","3","1","1") = "6"
    & skf21("7","3","7","6","7","3","2","1") = "6"
    & skf21("7","3","7","6","7","3","3","1") = "6"
    & skf21("7","3","7","6","7","3","4","1") = "6"
    & skf21("7","3","7","6","7","3","5","1") = "6"
    & skf21("7","3","7","6","7","3","6","1") = "6"
    & skf21("7","3","7","6","7","3","7","1") = "6"
    & skf21("7","3","7","6","7","4","1","1") = "6"
    & skf21("7","3","7","6","7","4","2","1") = "6"
    & skf21("7","3","7","6","7","4","3","1") = "6"
    & skf21("7","3","7","6","7","4","4","1") = "6"
    & skf21("7","3","7","6","7","4","5","1") = "6"
    & skf21("7","3","7","6","7","4","6","1") = "6"
    & skf21("7","3","7","6","7","4","7","1") = "6"
    & skf21("7","3","7","6","7","5","1","1") = "6"
    & skf21("7","3","7","6","7","5","2","1") = "6"
    & skf21("7","3","7","6","7","5","3","1") = "6"
    & skf21("7","3","7","6","7","5","4","1") = "6"
    & skf21("7","3","7","6","7","5","5","1") = "6"
    & skf21("7","3","7","6","7","5","6","1") = "6"
    & skf21("7","3","7","6","7","5","7","1") = "6"
    & skf21("7","3","7","6","7","6","1","1") = "6"
    & skf21("7","3","7","6","7","6","2","1") = "6"
    & skf21("7","3","7","6","7","6","3","1") = "6"
    & skf21("7","3","7","6","7","6","4","1") = "6"
    & skf21("7","3","7","6","7","6","5","1") = "6"
    & skf21("7","3","7","6","7","6","6","1") = "6"
    & skf21("7","3","7","6","7","6","7","1") = "6"
    & skf21("7","3","7","6","7","7","1","1") = "6"
    & skf21("7","3","7","6","7","7","2","1") = "6"
    & skf21("7","3","7","6","7","7","3","1") = "6"
    & skf21("7","3","7","6","7","7","4","1") = "6"
    & skf21("7","3","7","6","7","7","5","1") = "6"
    & skf21("7","3","7","6","7","7","6","1") = "6"
    & skf21("7","3","7","6","7","7","7","1") = "6"
    & skf21("7","3","7","7","1","1","1","1") = "6"
    & skf21("7","3","7","7","1","1","2","1") = "6"
    & skf21("7","3","7","7","1","1","3","1") = "6"
    & skf21("7","3","7","7","1","1","4","1") = "6"
    & skf21("7","3","7","7","1","1","5","1") = "6"
    & skf21("7","3","7","7","1","1","6","1") = "6"
    & skf21("7","3","7","7","1","1","7","1") = "6"
    & skf21("7","3","7","7","1","2","1","1") = "6"
    & skf21("7","3","7","7","1","2","2","1") = "6"
    & skf21("7","3","7","7","1","2","3","1") = "6"
    & skf21("7","3","7","7","1","2","4","1") = "6"
    & skf21("7","3","7","7","1","2","5","1") = "6"
    & skf21("7","3","7","7","1","2","6","1") = "6"
    & skf21("7","3","7","7","1","2","7","1") = "6"
    & skf21("7","3","7","7","1","3","1","1") = "6"
    & skf21("7","3","7","7","1","3","2","1") = "6"
    & skf21("7","3","7","7","1","3","3","1") = "6"
    & skf21("7","3","7","7","1","3","4","1") = "6"
    & skf21("7","3","7","7","1","3","5","1") = "6"
    & skf21("7","3","7","7","1","3","6","1") = "6"
    & skf21("7","3","7","7","1","3","7","1") = "6"
    & skf21("7","3","7","7","1","4","1","1") = "6"
    & skf21("7","3","7","7","1","4","2","1") = "6"
    & skf21("7","3","7","7","1","4","3","1") = "6"
    & skf21("7","3","7","7","1","4","4","1") = "6"
    & skf21("7","3","7","7","1","4","5","1") = "6"
    & skf21("7","3","7","7","1","4","6","1") = "6"
    & skf21("7","3","7","7","1","4","7","1") = "6"
    & skf21("7","3","7","7","1","5","1","1") = "6"
    & skf21("7","3","7","7","1","5","2","1") = "6"
    & skf21("7","3","7","7","1","5","3","1") = "6"
    & skf21("7","3","7","7","1","5","4","1") = "6"
    & skf21("7","3","7","7","1","5","5","1") = "6"
    & skf21("7","3","7","7","1","5","6","1") = "6"
    & skf21("7","3","7","7","1","5","7","1") = "6"
    & skf21("7","3","7","7","1","6","1","1") = "6"
    & skf21("7","3","7","7","1","6","2","1") = "6"
    & skf21("7","3","7","7","1","6","3","1") = "6"
    & skf21("7","3","7","7","1","6","4","1") = "6"
    & skf21("7","3","7","7","1","6","5","1") = "6"
    & skf21("7","3","7","7","1","6","6","1") = "6"
    & skf21("7","3","7","7","1","6","7","1") = "6"
    & skf21("7","3","7","7","1","7","1","1") = "6"
    & skf21("7","3","7","7","1","7","2","1") = "6"
    & skf21("7","3","7","7","1","7","3","1") = "6"
    & skf21("7","3","7","7","1","7","4","1") = "6"
    & skf21("7","3","7","7","1","7","5","1") = "6"
    & skf21("7","3","7","7","1","7","6","1") = "6"
    & skf21("7","3","7","7","1","7","7","1") = "6"
    & skf21("7","3","7","7","2","1","1","1") = "6"
    & skf21("7","3","7","7","2","1","2","1") = "6"
    & skf21("7","3","7","7","2","1","3","1") = "6"
    & skf21("7","3","7","7","2","1","4","1") = "6"
    & skf21("7","3","7","7","2","1","5","1") = "6"
    & skf21("7","3","7","7","2","1","6","1") = "6"
    & skf21("7","3","7","7","2","1","7","1") = "6"
    & skf21("7","3","7","7","2","2","1","1") = "6"
    & skf21("7","3","7","7","2","2","2","1") = "6"
    & skf21("7","3","7","7","2","2","3","1") = "6"
    & skf21("7","3","7","7","2","2","4","1") = "6"
    & skf21("7","3","7","7","2","2","5","1") = "6"
    & skf21("7","3","7","7","2","2","6","1") = "6"
    & skf21("7","3","7","7","2","2","7","1") = "6"
    & skf21("7","3","7","7","2","3","1","1") = "6"
    & skf21("7","3","7","7","2","3","2","1") = "6"
    & skf21("7","3","7","7","2","3","3","1") = "6"
    & skf21("7","3","7","7","2","3","4","1") = "6"
    & skf21("7","3","7","7","2","3","5","1") = "6"
    & skf21("7","3","7","7","2","3","6","1") = "6"
    & skf21("7","3","7","7","2","3","7","1") = "6"
    & skf21("7","3","7","7","2","4","1","1") = "6"
    & skf21("7","3","7","7","2","4","2","1") = "6"
    & skf21("7","3","7","7","2","4","3","1") = "6"
    & skf21("7","3","7","7","2","4","4","1") = "6"
    & skf21("7","3","7","7","2","4","5","1") = "6"
    & skf21("7","3","7","7","2","4","6","1") = "6"
    & skf21("7","3","7","7","2","4","7","1") = "6"
    & skf21("7","3","7","7","2","5","1","1") = "6"
    & skf21("7","3","7","7","2","5","2","1") = "6"
    & skf21("7","3","7","7","2","5","3","1") = "6"
    & skf21("7","3","7","7","2","5","4","1") = "6"
    & skf21("7","3","7","7","2","5","5","1") = "6"
    & skf21("7","3","7","7","2","5","6","1") = "6"
    & skf21("7","3","7","7","2","5","7","1") = "6"
    & skf21("7","3","7","7","2","6","1","1") = "6"
    & skf21("7","3","7","7","2","6","2","1") = "6"
    & skf21("7","3","7","7","2","6","3","1") = "6"
    & skf21("7","3","7","7","2","6","4","1") = "6"
    & skf21("7","3","7","7","2","6","5","1") = "6"
    & skf21("7","3","7","7","2","6","6","1") = "6"
    & skf21("7","3","7","7","2","6","7","1") = "6"
    & skf21("7","3","7","7","2","7","1","1") = "6"
    & skf21("7","3","7","7","2","7","2","1") = "6"
    & skf21("7","3","7","7","2","7","3","1") = "6"
    & skf21("7","3","7","7","2","7","4","1") = "6"
    & skf21("7","3","7","7","2","7","5","1") = "6"
    & skf21("7","3","7","7","2","7","6","1") = "6"
    & skf21("7","3","7","7","2","7","7","1") = "6"
    & skf21("7","3","7","7","3","1","1","1") = "6"
    & skf21("7","3","7","7","3","1","2","1") = "6"
    & skf21("7","3","7","7","3","1","3","1") = "6"
    & skf21("7","3","7","7","3","1","4","1") = "6"
    & skf21("7","3","7","7","3","1","5","1") = "6"
    & skf21("7","3","7","7","3","1","6","1") = "6"
    & skf21("7","3","7","7","3","1","7","1") = "6"
    & skf21("7","3","7","7","3","2","1","1") = "6"
    & skf21("7","3","7","7","3","2","2","1") = "6"
    & skf21("7","3","7","7","3","2","3","1") = "6"
    & skf21("7","3","7","7","3","2","4","1") = "6"
    & skf21("7","3","7","7","3","2","5","1") = "6"
    & skf21("7","3","7","7","3","2","6","1") = "6"
    & skf21("7","3","7","7","3","2","7","1") = "6"
    & skf21("7","3","7","7","3","3","1","1") = "6"
    & skf21("7","3","7","7","3","3","2","1") = "6"
    & skf21("7","3","7","7","3","3","3","1") = "6"
    & skf21("7","3","7","7","3","3","4","1") = "6"
    & skf21("7","3","7","7","3","3","5","1") = "6"
    & skf21("7","3","7","7","3","3","6","1") = "6"
    & skf21("7","3","7","7","3","3","7","1") = "6"
    & skf21("7","3","7","7","3","4","1","1") = "6"
    & skf21("7","3","7","7","3","4","2","1") = "6"
    & skf21("7","3","7","7","3","4","3","1") = "6"
    & skf21("7","3","7","7","3","4","4","1") = "6"
    & skf21("7","3","7","7","3","4","5","1") = "6"
    & skf21("7","3","7","7","3","4","6","1") = "6"
    & skf21("7","3","7","7","3","4","7","1") = "6"
    & skf21("7","3","7","7","3","5","1","1") = "6"
    & skf21("7","3","7","7","3","5","2","1") = "6"
    & skf21("7","3","7","7","3","5","3","1") = "6"
    & skf21("7","3","7","7","3","5","4","1") = "6"
    & skf21("7","3","7","7","3","5","5","1") = "6"
    & skf21("7","3","7","7","3","5","6","1") = "6"
    & skf21("7","3","7","7","3","5","7","1") = "6"
    & skf21("7","3","7","7","3","6","1","1") = "6"
    & skf21("7","3","7","7","3","6","2","1") = "6"
    & skf21("7","3","7","7","3","6","3","1") = "6"
    & skf21("7","3","7","7","3","6","4","1") = "6"
    & skf21("7","3","7","7","3","6","5","1") = "6"
    & skf21("7","3","7","7","3","6","6","1") = "6"
    & skf21("7","3","7","7","3","6","7","1") = "6"
    & skf21("7","3","7","7","3","7","1","1") = "6"
    & skf21("7","3","7","7","3","7","2","1") = "6"
    & skf21("7","3","7","7","3","7","3","1") = "6"
    & skf21("7","3","7","7","3","7","4","1") = "6"
    & skf21("7","3","7","7","3","7","5","1") = "6"
    & skf21("7","3","7","7","3","7","6","1") = "6"
    & skf21("7","3","7","7","3","7","7","1") = "6"
    & skf21("7","3","7","7","4","1","1","1") = "6"
    & skf21("7","3","7","7","4","1","2","1") = "6"
    & skf21("7","3","7","7","4","1","3","1") = "6"
    & skf21("7","3","7","7","4","1","4","1") = "6"
    & skf21("7","3","7","7","4","1","5","1") = "6"
    & skf21("7","3","7","7","4","1","6","1") = "6"
    & skf21("7","3","7","7","4","1","7","1") = "6"
    & skf21("7","3","7","7","4","2","1","1") = "6"
    & skf21("7","3","7","7","4","2","2","1") = "6"
    & skf21("7","3","7","7","4","2","3","1") = "6"
    & skf21("7","3","7","7","4","2","4","1") = "6"
    & skf21("7","3","7","7","4","2","5","1") = "6"
    & skf21("7","3","7","7","4","2","6","1") = "6"
    & skf21("7","3","7","7","4","2","7","1") = "6"
    & skf21("7","3","7","7","4","3","1","1") = "6"
    & skf21("7","3","7","7","4","3","2","1") = "6"
    & skf21("7","3","7","7","4","3","3","1") = "6"
    & skf21("7","3","7","7","4","3","4","1") = "6"
    & skf21("7","3","7","7","4","3","5","1") = "6"
    & skf21("7","3","7","7","4","3","6","1") = "6"
    & skf21("7","3","7","7","4","3","7","1") = "6"
    & skf21("7","3","7","7","4","4","1","1") = "6"
    & skf21("7","3","7","7","4","4","2","1") = "6"
    & skf21("7","3","7","7","4","4","3","1") = "6"
    & skf21("7","3","7","7","4","4","4","1") = "6"
    & skf21("7","3","7","7","4","4","5","1") = "6"
    & skf21("7","3","7","7","4","4","6","1") = "6"
    & skf21("7","3","7","7","4","4","7","1") = "6"
    & skf21("7","3","7","7","4","5","1","1") = "6"
    & skf21("7","3","7","7","4","5","2","1") = "6"
    & skf21("7","3","7","7","4","5","3","1") = "6"
    & skf21("7","3","7","7","4","5","4","1") = "6"
    & skf21("7","3","7","7","4","5","5","1") = "6"
    & skf21("7","3","7","7","4","5","6","1") = "6"
    & skf21("7","3","7","7","4","5","7","1") = "6"
    & skf21("7","3","7","7","4","6","1","1") = "6"
    & skf21("7","3","7","7","4","6","2","1") = "6"
    & skf21("7","3","7","7","4","6","3","1") = "6"
    & skf21("7","3","7","7","4","6","4","1") = "6"
    & skf21("7","3","7","7","4","6","5","1") = "6"
    & skf21("7","3","7","7","4","6","6","1") = "6"
    & skf21("7","3","7","7","4","6","7","1") = "6"
    & skf21("7","3","7","7","4","7","1","1") = "6"
    & skf21("7","3","7","7","4","7","2","1") = "6"
    & skf21("7","3","7","7","4","7","3","1") = "6"
    & skf21("7","3","7","7","4","7","4","1") = "6"
    & skf21("7","3","7","7","4","7","5","1") = "6"
    & skf21("7","3","7","7","4","7","6","1") = "6"
    & skf21("7","3","7","7","4","7","7","1") = "6"
    & skf21("7","3","7","7","5","1","1","1") = "6"
    & skf21("7","3","7","7","5","1","2","1") = "6"
    & skf21("7","3","7","7","5","1","3","1") = "6"
    & skf21("7","3","7","7","5","1","4","1") = "6"
    & skf21("7","3","7","7","5","1","5","1") = "6"
    & skf21("7","3","7","7","5","1","6","1") = "6"
    & skf21("7","3","7","7","5","1","7","1") = "6"
    & skf21("7","3","7","7","5","2","1","1") = "6"
    & skf21("7","3","7","7","5","2","2","1") = "6"
    & skf21("7","3","7","7","5","2","3","1") = "6"
    & skf21("7","3","7","7","5","2","4","1") = "6"
    & skf21("7","3","7","7","5","2","5","1") = "6"
    & skf21("7","3","7","7","5","2","6","1") = "6"
    & skf21("7","3","7","7","5","2","7","1") = "6"
    & skf21("7","3","7","7","5","3","1","1") = "6"
    & skf21("7","3","7","7","5","3","2","1") = "6"
    & skf21("7","3","7","7","5","3","3","1") = "6"
    & skf21("7","3","7","7","5","3","4","1") = "6"
    & skf21("7","3","7","7","5","3","5","1") = "6"
    & skf21("7","3","7","7","5","3","6","1") = "6"
    & skf21("7","3","7","7","5","3","7","1") = "6"
    & skf21("7","3","7","7","5","4","1","1") = "6"
    & skf21("7","3","7","7","5","4","2","1") = "6"
    & skf21("7","3","7","7","5","4","3","1") = "6"
    & skf21("7","3","7","7","5","4","4","1") = "6"
    & skf21("7","3","7","7","5","4","5","1") = "6"
    & skf21("7","3","7","7","5","4","6","1") = "6"
    & skf21("7","3","7","7","5","4","7","1") = "6"
    & skf21("7","3","7","7","5","5","1","1") = "6"
    & skf21("7","3","7","7","5","5","2","1") = "6"
    & skf21("7","3","7","7","5","5","3","1") = "6"
    & skf21("7","3","7","7","5","5","4","1") = "6"
    & skf21("7","3","7","7","5","5","5","1") = "6"
    & skf21("7","3","7","7","5","5","6","1") = "6"
    & skf21("7","3","7","7","5","5","7","1") = "6"
    & skf21("7","3","7","7","5","6","1","1") = "6"
    & skf21("7","3","7","7","5","6","2","1") = "6"
    & skf21("7","3","7","7","5","6","3","1") = "6"
    & skf21("7","3","7","7","5","6","4","1") = "6"
    & skf21("7","3","7","7","5","6","5","1") = "6"
    & skf21("7","3","7","7","5","6","6","1") = "6"
    & skf21("7","3","7","7","5","6","7","1") = "6"
    & skf21("7","3","7","7","5","7","1","1") = "6"
    & skf21("7","3","7","7","5","7","2","1") = "6"
    & skf21("7","3","7","7","5","7","3","1") = "6"
    & skf21("7","3","7","7","5","7","4","1") = "6"
    & skf21("7","3","7","7","5","7","5","1") = "6"
    & skf21("7","3","7","7","5","7","6","1") = "6"
    & skf21("7","3","7","7","5","7","7","1") = "6"
    & skf21("7","3","7","7","6","1","1","1") = "6"
    & skf21("7","3","7","7","6","1","2","1") = "6"
    & skf21("7","3","7","7","6","1","3","1") = "6"
    & skf21("7","3","7","7","6","1","4","1") = "6"
    & skf21("7","3","7","7","6","1","5","1") = "6"
    & skf21("7","3","7","7","6","1","6","1") = "6"
    & skf21("7","3","7","7","6","1","7","1") = "6"
    & skf21("7","3","7","7","6","2","1","1") = "6"
    & skf21("7","3","7","7","6","2","2","1") = "6"
    & skf21("7","3","7","7","6","2","3","1") = "6"
    & skf21("7","3","7","7","6","2","4","1") = "6"
    & skf21("7","3","7","7","6","2","5","1") = "6"
    & skf21("7","3","7","7","6","2","6","1") = "6"
    & skf21("7","3","7","7","6","2","7","1") = "6"
    & skf21("7","3","7","7","6","3","1","1") = "6"
    & skf21("7","3","7","7","6","3","2","1") = "6"
    & skf21("7","3","7","7","6","3","3","1") = "6"
    & skf21("7","3","7","7","6","3","4","1") = "6"
    & skf21("7","3","7","7","6","3","5","1") = "6"
    & skf21("7","3","7","7","6","3","6","1") = "6"
    & skf21("7","3","7","7","6","3","7","1") = "6"
    & skf21("7","3","7","7","6","4","1","1") = "6"
    & skf21("7","3","7","7","6","4","2","1") = "6"
    & skf21("7","3","7","7","6","4","3","1") = "6"
    & skf21("7","3","7","7","6","4","4","1") = "6"
    & skf21("7","3","7","7","6","4","5","1") = "6"
    & skf21("7","3","7","7","6","4","6","1") = "6"
    & skf21("7","3","7","7","6","4","7","1") = "6"
    & skf21("7","3","7","7","6","5","1","1") = "6"
    & skf21("7","3","7","7","6","5","2","1") = "6"
    & skf21("7","3","7","7","6","5","3","1") = "6"
    & skf21("7","3","7","7","6","5","4","1") = "6"
    & skf21("7","3","7","7","6","5","5","1") = "6"
    & skf21("7","3","7","7","6","5","6","1") = "6"
    & skf21("7","3","7","7","6","5","7","1") = "6"
    & skf21("7","3","7","7","6","6","1","1") = "6"
    & skf21("7","3","7","7","6","6","2","1") = "6"
    & skf21("7","3","7","7","6","6","3","1") = "6"
    & skf21("7","3","7","7","6","6","4","1") = "6"
    & skf21("7","3","7","7","6","6","5","1") = "6"
    & skf21("7","3","7","7","6","6","6","1") = "6"
    & skf21("7","3","7","7","6","6","7","1") = "6"
    & skf21("7","3","7","7","6","7","1","1") = "6"
    & skf21("7","3","7","7","6","7","2","1") = "6"
    & skf21("7","3","7","7","6","7","3","1") = "6"
    & skf21("7","3","7","7","6","7","4","1") = "6"
    & skf21("7","3","7","7","6","7","5","1") = "6"
    & skf21("7","3","7","7","6","7","6","1") = "6"
    & skf21("7","3","7","7","6","7","7","1") = "6"
    & skf21("7","3","7","7","7","1","1","1") = "6"
    & skf21("7","3","7","7","7","1","2","1") = "6"
    & skf21("7","3","7","7","7","1","3","1") = "6"
    & skf21("7","3","7","7","7","1","4","1") = "6"
    & skf21("7","3","7","7","7","1","5","1") = "6"
    & skf21("7","3","7","7","7","1","6","1") = "6"
    & skf21("7","3","7","7","7","1","7","1") = "6"
    & skf21("7","3","7","7","7","2","1","1") = "6"
    & skf21("7","3","7","7","7","2","2","1") = "6"
    & skf21("7","3","7","7","7","2","3","1") = "6"
    & skf21("7","3","7","7","7","2","4","1") = "6"
    & skf21("7","3","7","7","7","2","5","1") = "6"
    & skf21("7","3","7","7","7","2","6","1") = "6"
    & skf21("7","3","7","7","7","2","7","1") = "6"
    & skf21("7","3","7","7","7","3","1","1") = "6"
    & skf21("7","3","7","7","7","3","2","1") = "6"
    & skf21("7","3","7","7","7","3","3","1") = "6"
    & skf21("7","3","7","7","7","3","4","1") = "6"
    & skf21("7","3","7","7","7","3","5","1") = "6"
    & skf21("7","3","7","7","7","3","6","1") = "6"
    & skf21("7","3","7","7","7","3","7","1") = "6"
    & skf21("7","3","7","7","7","4","1","1") = "6"
    & skf21("7","3","7","7","7","4","2","1") = "6"
    & skf21("7","3","7","7","7","4","3","1") = "6"
    & skf21("7","3","7","7","7","4","4","1") = "6"
    & skf21("7","3","7","7","7","4","5","1") = "6"
    & skf21("7","3","7","7","7","4","6","1") = "6"
    & skf21("7","3","7","7","7","4","7","1") = "6"
    & skf21("7","3","7","7","7","5","1","1") = "6"
    & skf21("7","3","7","7","7","5","2","1") = "6"
    & skf21("7","3","7","7","7","5","3","1") = "6"
    & skf21("7","3","7","7","7","5","4","1") = "6"
    & skf21("7","3","7","7","7","5","5","1") = "6"
    & skf21("7","3","7","7","7","5","6","1") = "6"
    & skf21("7","3","7","7","7","5","7","1") = "6"
    & skf21("7","3","7","7","7","6","1","1") = "6"
    & skf21("7","3","7","7","7","6","2","1") = "6"
    & skf21("7","3","7","7","7","6","3","1") = "6"
    & skf21("7","3","7","7","7","6","4","1") = "6"
    & skf21("7","3","7","7","7","6","5","1") = "6"
    & skf21("7","3","7","7","7","6","6","1") = "6"
    & skf21("7","3","7","7","7","6","7","1") = "6"
    & skf21("7","3","7","7","7","7","1","1") = "6"
    & skf21("7","3","7","7","7","7","2","1") = "6"
    & skf21("7","3","7","7","7","7","3","1") = "6"
    & skf21("7","3","7","7","7","7","4","1") = "6"
    & skf21("7","3","7","7","7","7","5","1") = "6"
    & skf21("7","3","7","7","7","7","6","1") = "6"
    & skf21("7","3","7","7","7","7","7","1") = "6"
    & skf21("7","4","1","1","1","1","1","1") = "6"
    & skf21("7","4","1","1","1","1","2","1") = "6"
    & skf21("7","4","1","1","1","1","3","1") = "6"
    & skf21("7","4","1","1","1","1","4","1") = "6"
    & skf21("7","4","1","1","1","1","5","1") = "6"
    & skf21("7","4","1","1","1","1","6","1") = "6"
    & skf21("7","4","1","1","1","1","7","1") = "6"
    & skf21("7","4","1","1","1","2","1","1") = "6"
    & skf21("7","4","1","1","1","2","2","1") = "6"
    & skf21("7","4","1","1","1","2","3","1") = "6"
    & skf21("7","4","1","1","1","2","4","1") = "6"
    & skf21("7","4","1","1","1","2","5","1") = "6"
    & skf21("7","4","1","1","1","2","6","1") = "6"
    & skf21("7","4","1","1","1","2","7","1") = "6"
    & skf21("7","4","1","1","1","3","1","1") = "6"
    & skf21("7","4","1","1","1","3","2","1") = "6"
    & skf21("7","4","1","1","1","3","3","1") = "6"
    & skf21("7","4","1","1","1","3","4","1") = "6"
    & skf21("7","4","1","1","1","3","5","1") = "6"
    & skf21("7","4","1","1","1","3","6","1") = "6"
    & skf21("7","4","1","1","1","3","7","1") = "6"
    & skf21("7","4","1","1","1","4","1","1") = "6"
    & skf21("7","4","1","1","1","4","2","1") = "6"
    & skf21("7","4","1","1","1","4","3","1") = "6"
    & skf21("7","4","1","1","1","4","4","1") = "6"
    & skf21("7","4","1","1","1","4","5","1") = "6"
    & skf21("7","4","1","1","1","4","6","1") = "6"
    & skf21("7","4","1","1","1","4","7","1") = "6"
    & skf21("7","4","1","1","1","5","1","1") = "6"
    & skf21("7","4","1","1","1","5","2","1") = "6"
    & skf21("7","4","1","1","1","5","3","1") = "6"
    & skf21("7","4","1","1","1","5","4","1") = "6"
    & skf21("7","4","1","1","1","5","5","1") = "6"
    & skf21("7","4","1","1","1","5","6","1") = "6"
    & skf21("7","4","1","1","1","5","7","1") = "6"
    & skf21("7","4","1","1","1","6","1","1") = "6"
    & skf21("7","4","1","1","1","6","2","1") = "6"
    & skf21("7","4","1","1","1","6","3","1") = "6"
    & skf21("7","4","1","1","1","6","4","1") = "6"
    & skf21("7","4","1","1","1","6","5","1") = "6"
    & skf21("7","4","1","1","1","6","6","1") = "6"
    & skf21("7","4","1","1","1","6","7","1") = "6"
    & skf21("7","4","1","1","1","7","1","1") = "6"
    & skf21("7","4","1","1","1","7","2","1") = "6"
    & skf21("7","4","1","1","1","7","3","1") = "6"
    & skf21("7","4","1","1","1","7","4","1") = "6"
    & skf21("7","4","1","1","1","7","5","1") = "6"
    & skf21("7","4","1","1","1","7","6","1") = "6"
    & skf21("7","4","1","1","1","7","7","1") = "6"
    & skf21("7","4","1","1","2","1","1","1") = "6"
    & skf21("7","4","1","1","2","1","2","1") = "6"
    & skf21("7","4","1","1","2","1","3","1") = "6"
    & skf21("7","4","1","1","2","1","4","1") = "6"
    & skf21("7","4","1","1","2","1","5","1") = "6"
    & skf21("7","4","1","1","2","1","6","1") = "6"
    & skf21("7","4","1","1","2","1","7","1") = "6"
    & skf21("7","4","1","1","2","2","1","1") = "6"
    & skf21("7","4","1","1","2","2","2","1") = "6"
    & skf21("7","4","1","1","2","2","3","1") = "6"
    & skf21("7","4","1","1","2","2","4","1") = "6"
    & skf21("7","4","1","1","2","2","5","1") = "6"
    & skf21("7","4","1","1","2","2","6","1") = "6"
    & skf21("7","4","1","1","2","2","7","1") = "6"
    & skf21("7","4","1","1","2","3","1","1") = "6"
    & skf21("7","4","1","1","2","3","2","1") = "6"
    & skf21("7","4","1","1","2","3","3","1") = "6"
    & skf21("7","4","1","1","2","3","4","1") = "6"
    & skf21("7","4","1","1","2","3","5","1") = "6"
    & skf21("7","4","1","1","2","3","6","1") = "6"
    & skf21("7","4","1","1","2","3","7","1") = "6"
    & skf21("7","4","1","1","2","4","1","1") = "6"
    & skf21("7","4","1","1","2","4","2","1") = "6"
    & skf21("7","4","1","1","2","4","3","1") = "6"
    & skf21("7","4","1","1","2","4","4","1") = "6"
    & skf21("7","4","1","1","2","4","5","1") = "6"
    & skf21("7","4","1","1","2","4","6","1") = "6"
    & skf21("7","4","1","1","2","4","7","1") = "6"
    & skf21("7","4","1","1","2","5","1","1") = "6"
    & skf21("7","4","1","1","2","5","2","1") = "6"
    & skf21("7","4","1","1","2","5","3","1") = "6"
    & skf21("7","4","1","1","2","5","4","1") = "6"
    & skf21("7","4","1","1","2","5","5","1") = "6"
    & skf21("7","4","1","1","2","5","6","1") = "6"
    & skf21("7","4","1","1","2","5","7","1") = "6"
    & skf21("7","4","1","1","2","6","1","1") = "6"
    & skf21("7","4","1","1","2","6","2","1") = "6"
    & skf21("7","4","1","1","2","6","3","1") = "6"
    & skf21("7","4","1","1","2","6","4","1") = "6"
    & skf21("7","4","1","1","2","6","5","1") = "6"
    & skf21("7","4","1","1","2","6","6","1") = "6"
    & skf21("7","4","1","1","2","6","7","1") = "6"
    & skf21("7","4","1","1","2","7","1","1") = "6"
    & skf21("7","4","1","1","2","7","2","1") = "6"
    & skf21("7","4","1","1","2","7","3","1") = "6"
    & skf21("7","4","1","1","2","7","4","1") = "6"
    & skf21("7","4","1","1","2","7","5","1") = "6"
    & skf21("7","4","1","1","2","7","6","1") = "6"
    & skf21("7","4","1","1","2","7","7","1") = "6"
    & skf21("7","4","1","1","3","1","1","1") = "6"
    & skf21("7","4","1","1","3","1","2","1") = "6"
    & skf21("7","4","1","1","3","1","3","1") = "6"
    & skf21("7","4","1","1","3","1","4","1") = "6"
    & skf21("7","4","1","1","3","1","5","1") = "6"
    & skf21("7","4","1","1","3","1","6","1") = "6"
    & skf21("7","4","1","1","3","1","7","1") = "6"
    & skf21("7","4","1","1","3","2","1","1") = "6"
    & skf21("7","4","1","1","3","2","2","1") = "6"
    & skf21("7","4","1","1","3","2","3","1") = "6"
    & skf21("7","4","1","1","3","2","4","1") = "6"
    & skf21("7","4","1","1","3","2","5","1") = "6"
    & skf21("7","4","1","1","3","2","6","1") = "6"
    & skf21("7","4","1","1","3","2","7","1") = "6"
    & skf21("7","4","1","1","3","3","1","1") = "6"
    & skf21("7","4","1","1","3","3","2","1") = "6"
    & skf21("7","4","1","1","3","3","3","1") = "6"
    & skf21("7","4","1","1","3","3","4","1") = "6"
    & skf21("7","4","1","1","3","3","5","1") = "6"
    & skf21("7","4","1","1","3","3","6","1") = "6"
    & skf21("7","4","1","1","3","3","7","1") = "6"
    & skf21("7","4","1","1","3","4","1","1") = "6"
    & skf21("7","4","1","1","3","4","2","1") = "6"
    & skf21("7","4","1","1","3","4","3","1") = "6"
    & skf21("7","4","1","1","3","4","4","1") = "6"
    & skf21("7","4","1","1","3","4","5","1") = "6"
    & skf21("7","4","1","1","3","4","6","1") = "6"
    & skf21("7","4","1","1","3","4","7","1") = "6"
    & skf21("7","4","1","1","3","5","1","1") = "6"
    & skf21("7","4","1","1","3","5","2","1") = "6"
    & skf21("7","4","1","1","3","5","3","1") = "6"
    & skf21("7","4","1","1","3","5","4","1") = "6"
    & skf21("7","4","1","1","3","5","5","1") = "6"
    & skf21("7","4","1","1","3","5","6","1") = "6"
    & skf21("7","4","1","1","3","5","7","1") = "6"
    & skf21("7","4","1","1","3","6","1","1") = "6"
    & skf21("7","4","1","1","3","6","2","1") = "6"
    & skf21("7","4","1","1","3","6","3","1") = "6"
    & skf21("7","4","1","1","3","6","4","1") = "6"
    & skf21("7","4","1","1","3","6","5","1") = "6"
    & skf21("7","4","1","1","3","6","6","1") = "6"
    & skf21("7","4","1","1","3","6","7","1") = "6"
    & skf21("7","4","1","1","3","7","1","1") = "6"
    & skf21("7","4","1","1","3","7","2","1") = "6"
    & skf21("7","4","1","1","3","7","3","1") = "6"
    & skf21("7","4","1","1","3","7","4","1") = "6"
    & skf21("7","4","1","1","3","7","5","1") = "6"
    & skf21("7","4","1","1","3","7","6","1") = "6"
    & skf21("7","4","1","1","3","7","7","1") = "6"
    & skf21("7","4","1","1","4","1","1","1") = "6"
    & skf21("7","4","1","1","4","1","2","1") = "6"
    & skf21("7","4","1","1","4","1","3","1") = "6"
    & skf21("7","4","1","1","4","1","4","1") = "6"
    & skf21("7","4","1","1","4","1","5","1") = "6"
    & skf21("7","4","1","1","4","1","6","1") = "6"
    & skf21("7","4","1","1","4","1","7","1") = "6"
    & skf21("7","4","1","1","4","2","1","1") = "6"
    & skf21("7","4","1","1","4","2","2","1") = "6"
    & skf21("7","4","1","1","4","2","3","1") = "6"
    & skf21("7","4","1","1","4","2","4","1") = "6"
    & skf21("7","4","1","1","4","2","5","1") = "6"
    & skf21("7","4","1","1","4","2","6","1") = "6"
    & skf21("7","4","1","1","4","2","7","1") = "6"
    & skf21("7","4","1","1","4","3","1","1") = "6"
    & skf21("7","4","1","1","4","3","2","1") = "6"
    & skf21("7","4","1","1","4","3","3","1") = "6"
    & skf21("7","4","1","1","4","3","4","1") = "6"
    & skf21("7","4","1","1","4","3","5","1") = "6"
    & skf21("7","4","1","1","4","3","6","1") = "6"
    & skf21("7","4","1","1","4","3","7","1") = "6"
    & skf21("7","4","1","1","4","4","1","1") = "6"
    & skf21("7","4","1","1","4","4","2","1") = "6"
    & skf21("7","4","1","1","4","4","3","1") = "6"
    & skf21("7","4","1","1","4","4","4","1") = "6"
    & skf21("7","4","1","1","4","4","5","1") = "6"
    & skf21("7","4","1","1","4","4","6","1") = "6"
    & skf21("7","4","1","1","4","4","7","1") = "6"
    & skf21("7","4","1","1","4","5","1","1") = "6"
    & skf21("7","4","1","1","4","5","2","1") = "6"
    & skf21("7","4","1","1","4","5","3","1") = "6"
    & skf21("7","4","1","1","4","5","4","1") = "6"
    & skf21("7","4","1","1","4","5","5","1") = "6"
    & skf21("7","4","1","1","4","5","6","1") = "6"
    & skf21("7","4","1","1","4","5","7","1") = "6"
    & skf21("7","4","1","1","4","6","1","1") = "6"
    & skf21("7","4","1","1","4","6","2","1") = "6"
    & skf21("7","4","1","1","4","6","3","1") = "6"
    & skf21("7","4","1","1","4","6","4","1") = "6"
    & skf21("7","4","1","1","4","6","5","1") = "6"
    & skf21("7","4","1","1","4","6","6","1") = "6"
    & skf21("7","4","1","1","4","6","7","1") = "6"
    & skf21("7","4","1","1","4","7","1","1") = "6"
    & skf21("7","4","1","1","4","7","2","1") = "6"
    & skf21("7","4","1","1","4","7","3","1") = "6"
    & skf21("7","4","1","1","4","7","4","1") = "6"
    & skf21("7","4","1","1","4","7","5","1") = "6"
    & skf21("7","4","1","1","4","7","6","1") = "6"
    & skf21("7","4","1","1","4","7","7","1") = "6"
    & skf21("7","4","1","1","5","1","1","1") = "6"
    & skf21("7","4","1","1","5","1","2","1") = "6"
    & skf21("7","4","1","1","5","1","3","1") = "6"
    & skf21("7","4","1","1","5","1","4","1") = "6"
    & skf21("7","4","1","1","5","1","5","1") = "6"
    & skf21("7","4","1","1","5","1","6","1") = "6"
    & skf21("7","4","1","1","5","1","7","1") = "6"
    & skf21("7","4","1","1","5","2","1","1") = "6"
    & skf21("7","4","1","1","5","2","2","1") = "6"
    & skf21("7","4","1","1","5","2","3","1") = "6"
    & skf21("7","4","1","1","5","2","4","1") = "6"
    & skf21("7","4","1","1","5","2","5","1") = "6"
    & skf21("7","4","1","1","5","2","6","1") = "6"
    & skf21("7","4","1","1","5","2","7","1") = "6"
    & skf21("7","4","1","1","5","3","1","1") = "6"
    & skf21("7","4","1","1","5","3","2","1") = "6"
    & skf21("7","4","1","1","5","3","3","1") = "6"
    & skf21("7","4","1","1","5","3","4","1") = "6"
    & skf21("7","4","1","1","5","3","5","1") = "6"
    & skf21("7","4","1","1","5","3","6","1") = "6"
    & skf21("7","4","1","1","5","3","7","1") = "6"
    & skf21("7","4","1","1","5","4","1","1") = "6"
    & skf21("7","4","1","1","5","4","2","1") = "6"
    & skf21("7","4","1","1","5","4","3","1") = "6"
    & skf21("7","4","1","1","5","4","4","1") = "6"
    & skf21("7","4","1","1","5","4","5","1") = "6"
    & skf21("7","4","1","1","5","4","6","1") = "6"
    & skf21("7","4","1","1","5","4","7","1") = "6"
    & skf21("7","4","1","1","5","5","1","1") = "6"
    & skf21("7","4","1","1","5","5","2","1") = "6"
    & skf21("7","4","1","1","5","5","3","1") = "6"
    & skf21("7","4","1","1","5","5","4","1") = "6"
    & skf21("7","4","1","1","5","5","5","1") = "6"
    & skf21("7","4","1","1","5","5","6","1") = "6"
    & skf21("7","4","1","1","5","5","7","1") = "6"
    & skf21("7","4","1","1","5","6","1","1") = "6"
    & skf21("7","4","1","1","5","6","2","1") = "6"
    & skf21("7","4","1","1","5","6","3","1") = "6"
    & skf21("7","4","1","1","5","6","4","1") = "6"
    & skf21("7","4","1","1","5","6","5","1") = "6"
    & skf21("7","4","1","1","5","6","6","1") = "6"
    & skf21("7","4","1","1","5","6","7","1") = "6"
    & skf21("7","4","1","1","5","7","1","1") = "6"
    & skf21("7","4","1","1","5","7","2","1") = "6"
    & skf21("7","4","1","1","5","7","3","1") = "6"
    & skf21("7","4","1","1","5","7","4","1") = "6"
    & skf21("7","4","1","1","5","7","5","1") = "6"
    & skf21("7","4","1","1","5","7","6","1") = "6"
    & skf21("7","4","1","1","5","7","7","1") = "6"
    & skf21("7","4","1","1","6","1","1","1") = "6"
    & skf21("7","4","1","1","6","1","2","1") = "6"
    & skf21("7","4","1","1","6","1","3","1") = "6"
    & skf21("7","4","1","1","6","1","4","1") = "6"
    & skf21("7","4","1","1","6","1","5","1") = "6"
    & skf21("7","4","1","1","6","1","6","1") = "6"
    & skf21("7","4","1","1","6","1","7","1") = "6"
    & skf21("7","4","1","1","6","2","1","1") = "6"
    & skf21("7","4","1","1","6","2","2","1") = "6"
    & skf21("7","4","1","1","6","2","3","1") = "6"
    & skf21("7","4","1","1","6","2","4","1") = "6"
    & skf21("7","4","1","1","6","2","5","1") = "6"
    & skf21("7","4","1","1","6","2","6","1") = "6"
    & skf21("7","4","1","1","6","2","7","1") = "6"
    & skf21("7","4","1","1","6","3","1","1") = "6"
    & skf21("7","4","1","1","6","3","2","1") = "6"
    & skf21("7","4","1","1","6","3","3","1") = "6"
    & skf21("7","4","1","1","6","3","4","1") = "6"
    & skf21("7","4","1","1","6","3","5","1") = "6"
    & skf21("7","4","1","1","6","3","6","1") = "6"
    & skf21("7","4","1","1","6","3","7","1") = "6"
    & skf21("7","4","1","1","6","4","1","1") = "6"
    & skf21("7","4","1","1","6","4","2","1") = "6"
    & skf21("7","4","1","1","6","4","3","1") = "6"
    & skf21("7","4","1","1","6","4","4","1") = "6"
    & skf21("7","4","1","1","6","4","5","1") = "6"
    & skf21("7","4","1","1","6","4","6","1") = "6"
    & skf21("7","4","1","1","6","4","7","1") = "6"
    & skf21("7","4","1","1","6","5","1","1") = "6"
    & skf21("7","4","1","1","6","5","2","1") = "6"
    & skf21("7","4","1","1","6","5","3","1") = "6"
    & skf21("7","4","1","1","6","5","4","1") = "6"
    & skf21("7","4","1","1","6","5","5","1") = "6"
    & skf21("7","4","1","1","6","5","6","1") = "6"
    & skf21("7","4","1","1","6","5","7","1") = "6"
    & skf21("7","4","1","1","6","6","1","1") = "6"
    & skf21("7","4","1","1","6","6","2","1") = "6"
    & skf21("7","4","1","1","6","6","3","1") = "6"
    & skf21("7","4","1","1","6","6","4","1") = "6"
    & skf21("7","4","1","1","6","6","5","1") = "6"
    & skf21("7","4","1","1","6","6","6","1") = "6"
    & skf21("7","4","1","1","6","6","7","1") = "6"
    & skf21("7","4","1","1","6","7","1","1") = "6"
    & skf21("7","4","1","1","6","7","2","1") = "6"
    & skf21("7","4","1","1","6","7","3","1") = "6"
    & skf21("7","4","1","1","6","7","4","1") = "6"
    & skf21("7","4","1","1","6","7","5","1") = "6"
    & skf21("7","4","1","1","6","7","6","1") = "6"
    & skf21("7","4","1","1","6","7","7","1") = "6"
    & skf21("7","4","1","1","7","1","1","1") = "6"
    & skf21("7","4","1","1","7","1","2","1") = "6"
    & skf21("7","4","1","1","7","1","3","1") = "6"
    & skf21("7","4","1","1","7","1","4","1") = "6"
    & skf21("7","4","1","1","7","1","5","1") = "6"
    & skf21("7","4","1","1","7","1","6","1") = "6"
    & skf21("7","4","1","1","7","1","7","1") = "6"
    & skf21("7","4","1","1","7","2","1","1") = "6"
    & skf21("7","4","1","1","7","2","2","1") = "6"
    & skf21("7","4","1","1","7","2","3","1") = "6"
    & skf21("7","4","1","1","7","2","4","1") = "6"
    & skf21("7","4","1","1","7","2","5","1") = "6"
    & skf21("7","4","1","1","7","2","6","1") = "6"
    & skf21("7","4","1","1","7","2","7","1") = "6"
    & skf21("7","4","1","1","7","3","1","1") = "6"
    & skf21("7","4","1","1","7","3","2","1") = "6"
    & skf21("7","4","1","1","7","3","3","1") = "6"
    & skf21("7","4","1","1","7","3","4","1") = "6"
    & skf21("7","4","1","1","7","3","5","1") = "6"
    & skf21("7","4","1","1","7","3","6","1") = "6"
    & skf21("7","4","1","1","7","3","7","1") = "6"
    & skf21("7","4","1","1","7","4","1","1") = "6"
    & skf21("7","4","1","1","7","4","2","1") = "6"
    & skf21("7","4","1","1","7","4","3","1") = "6"
    & skf21("7","4","1","1","7","4","4","1") = "6"
    & skf21("7","4","1","1","7","4","5","1") = "6"
    & skf21("7","4","1","1","7","4","6","1") = "6"
    & skf21("7","4","1","1","7","4","7","1") = "6"
    & skf21("7","4","1","1","7","5","1","1") = "6"
    & skf21("7","4","1","1","7","5","2","1") = "6"
    & skf21("7","4","1","1","7","5","3","1") = "6"
    & skf21("7","4","1","1","7","5","4","1") = "6"
    & skf21("7","4","1","1","7","5","5","1") = "6"
    & skf21("7","4","1","1","7","5","6","1") = "6"
    & skf21("7","4","1","1","7","5","7","1") = "6"
    & skf21("7","4","1","1","7","6","1","1") = "6"
    & skf21("7","4","1","1","7","6","2","1") = "6"
    & skf21("7","4","1","1","7","6","3","1") = "6"
    & skf21("7","4","1","1","7","6","4","1") = "6"
    & skf21("7","4","1","1","7","6","5","1") = "6"
    & skf21("7","4","1","1","7","6","6","1") = "6"
    & skf21("7","4","1","1","7","6","7","1") = "6"
    & skf21("7","4","1","1","7","7","1","1") = "6"
    & skf21("7","4","1","1","7","7","2","1") = "6"
    & skf21("7","4","1","1","7","7","3","1") = "6"
    & skf21("7","4","1","1","7","7","4","1") = "6"
    & skf21("7","4","1","1","7","7","5","1") = "6"
    & skf21("7","4","1","1","7","7","6","1") = "6"
    & skf21("7","4","1","1","7","7","7","1") = "6"
    & skf21("7","4","1","2","1","1","1","1") = "6"
    & skf21("7","4","1","2","1","1","2","1") = "6"
    & skf21("7","4","1","2","1","1","3","1") = "6"
    & skf21("7","4","1","2","1","1","4","1") = "6"
    & skf21("7","4","1","2","1","1","5","1") = "6"
    & skf21("7","4","1","2","1","1","6","1") = "6"
    & skf21("7","4","1","2","1","1","7","1") = "6"
    & skf21("7","4","1","2","1","2","1","1") = "6"
    & skf21("7","4","1","2","1","2","2","1") = "6"
    & skf21("7","4","1","2","1","2","3","1") = "6"
    & skf21("7","4","1","2","1","2","4","1") = "6"
    & skf21("7","4","1","2","1","2","5","1") = "6"
    & skf21("7","4","1","2","1","2","6","1") = "6"
    & skf21("7","4","1","2","1","2","7","1") = "6"
    & skf21("7","4","1","2","1","3","1","1") = "6"
    & skf21("7","4","1","2","1","3","2","1") = "6"
    & skf21("7","4","1","2","1","3","3","1") = "6"
    & skf21("7","4","1","2","1","3","4","1") = "6"
    & skf21("7","4","1","2","1","3","5","1") = "6"
    & skf21("7","4","1","2","1","3","6","1") = "6"
    & skf21("7","4","1","2","1","3","7","1") = "6"
    & skf21("7","4","1","2","1","4","1","1") = "6"
    & skf21("7","4","1","2","1","4","2","1") = "6"
    & skf21("7","4","1","2","1","4","3","1") = "6"
    & skf21("7","4","1","2","1","4","4","1") = "6"
    & skf21("7","4","1","2","1","4","5","1") = "6"
    & skf21("7","4","1","2","1","4","6","1") = "6"
    & skf21("7","4","1","2","1","4","7","1") = "6"
    & skf21("7","4","1","2","1","5","1","1") = "6"
    & skf21("7","4","1","2","1","5","2","1") = "6"
    & skf21("7","4","1","2","1","5","3","1") = "6"
    & skf21("7","4","1","2","1","5","4","1") = "6"
    & skf21("7","4","1","2","1","5","5","1") = "6"
    & skf21("7","4","1","2","1","5","6","1") = "6"
    & skf21("7","4","1","2","1","5","7","1") = "6"
    & skf21("7","4","1","2","1","6","1","1") = "6"
    & skf21("7","4","1","2","1","6","2","1") = "6"
    & skf21("7","4","1","2","1","6","3","1") = "6"
    & skf21("7","4","1","2","1","6","4","1") = "6"
    & skf21("7","4","1","2","1","6","5","1") = "6"
    & skf21("7","4","1","2","1","6","6","1") = "6"
    & skf21("7","4","1","2","1","6","7","1") = "6"
    & skf21("7","4","1","2","1","7","1","1") = "6"
    & skf21("7","4","1","2","1","7","2","1") = "6"
    & skf21("7","4","1","2","1","7","3","1") = "6"
    & skf21("7","4","1","2","1","7","4","1") = "6"
    & skf21("7","4","1","2","1","7","5","1") = "6"
    & skf21("7","4","1","2","1","7","6","1") = "6"
    & skf21("7","4","1","2","1","7","7","1") = "6"
    & skf21("7","4","1","2","2","1","1","1") = "6"
    & skf21("7","4","1","2","2","1","2","1") = "6"
    & skf21("7","4","1","2","2","1","3","1") = "6"
    & skf21("7","4","1","2","2","1","4","1") = "6"
    & skf21("7","4","1","2","2","1","5","1") = "6"
    & skf21("7","4","1","2","2","1","6","1") = "6"
    & skf21("7","4","1","2","2","1","7","1") = "6"
    & skf21("7","4","1","2","2","2","1","1") = "6"
    & skf21("7","4","1","2","2","2","2","1") = "6"
    & skf21("7","4","1","2","2","2","3","1") = "6"
    & skf21("7","4","1","2","2","2","4","1") = "6"
    & skf21("7","4","1","2","2","2","5","1") = "6"
    & skf21("7","4","1","2","2","2","6","1") = "6"
    & skf21("7","4","1","2","2","2","7","1") = "6"
    & skf21("7","4","1","2","2","3","1","1") = "6"
    & skf21("7","4","1","2","2","3","2","1") = "6"
    & skf21("7","4","1","2","2","3","3","1") = "6"
    & skf21("7","4","1","2","2","3","4","1") = "6"
    & skf21("7","4","1","2","2","3","5","1") = "6"
    & skf21("7","4","1","2","2","3","6","1") = "6"
    & skf21("7","4","1","2","2","3","7","1") = "6"
    & skf21("7","4","1","2","2","4","1","1") = "6"
    & skf21("7","4","1","2","2","4","2","1") = "6"
    & skf21("7","4","1","2","2","4","3","1") = "6"
    & skf21("7","4","1","2","2","4","4","1") = "6"
    & skf21("7","4","1","2","2","4","5","1") = "6"
    & skf21("7","4","1","2","2","4","6","1") = "6"
    & skf21("7","4","1","2","2","4","7","1") = "6"
    & skf21("7","4","1","2","2","5","1","1") = "6"
    & skf21("7","4","1","2","2","5","2","1") = "6"
    & skf21("7","4","1","2","2","5","3","1") = "6"
    & skf21("7","4","1","2","2","5","4","1") = "6"
    & skf21("7","4","1","2","2","5","5","1") = "6"
    & skf21("7","4","1","2","2","5","6","1") = "6"
    & skf21("7","4","1","2","2","5","7","1") = "6"
    & skf21("7","4","1","2","2","6","1","1") = "6"
    & skf21("7","4","1","2","2","6","2","1") = "6"
    & skf21("7","4","1","2","2","6","3","1") = "6"
    & skf21("7","4","1","2","2","6","4","1") = "6"
    & skf21("7","4","1","2","2","6","5","1") = "6"
    & skf21("7","4","1","2","2","6","6","1") = "6"
    & skf21("7","4","1","2","2","6","7","1") = "6"
    & skf21("7","4","1","2","2","7","1","1") = "6"
    & skf21("7","4","1","2","2","7","2","1") = "6"
    & skf21("7","4","1","2","2","7","3","1") = "6"
    & skf21("7","4","1","2","2","7","4","1") = "6"
    & skf21("7","4","1","2","2","7","5","1") = "6"
    & skf21("7","4","1","2","2","7","6","1") = "6"
    & skf21("7","4","1","2","2","7","7","1") = "6"
    & skf21("7","4","1","2","3","1","1","1") = "6"
    & skf21("7","4","1","2","3","1","2","1") = "6"
    & skf21("7","4","1","2","3","1","3","1") = "6"
    & skf21("7","4","1","2","3","1","4","1") = "6"
    & skf21("7","4","1","2","3","1","5","1") = "6"
    & skf21("7","4","1","2","3","1","6","1") = "6"
    & skf21("7","4","1","2","3","1","7","1") = "6"
    & skf21("7","4","1","2","3","2","1","1") = "6"
    & skf21("7","4","1","2","3","2","2","1") = "6"
    & skf21("7","4","1","2","3","2","3","1") = "6"
    & skf21("7","4","1","2","3","2","4","1") = "6"
    & skf21("7","4","1","2","3","2","5","1") = "6"
    & skf21("7","4","1","2","3","2","6","1") = "6"
    & skf21("7","4","1","2","3","2","7","1") = "6"
    & skf21("7","4","1","2","3","3","1","1") = "6"
    & skf21("7","4","1","2","3","3","2","1") = "6"
    & skf21("7","4","1","2","3","3","3","1") = "6"
    & skf21("7","4","1","2","3","3","4","1") = "6"
    & skf21("7","4","1","2","3","3","5","1") = "6"
    & skf21("7","4","1","2","3","3","6","1") = "6"
    & skf21("7","4","1","2","3","3","7","1") = "6"
    & skf21("7","4","1","2","3","4","1","1") = "6"
    & skf21("7","4","1","2","3","4","2","1") = "6"
    & skf21("7","4","1","2","3","4","3","1") = "6"
    & skf21("7","4","1","2","3","4","4","1") = "6"
    & skf21("7","4","1","2","3","4","5","1") = "6"
    & skf21("7","4","1","2","3","4","6","1") = "6"
    & skf21("7","4","1","2","3","4","7","1") = "6"
    & skf21("7","4","1","2","3","5","1","1") = "6"
    & skf21("7","4","1","2","3","5","2","1") = "6"
    & skf21("7","4","1","2","3","5","3","1") = "6"
    & skf21("7","4","1","2","3","5","4","1") = "6"
    & skf21("7","4","1","2","3","5","5","1") = "6"
    & skf21("7","4","1","2","3","5","6","1") = "6"
    & skf21("7","4","1","2","3","5","7","1") = "6"
    & skf21("7","4","1","2","3","6","1","1") = "6"
    & skf21("7","4","1","2","3","6","2","1") = "6"
    & skf21("7","4","1","2","3","6","3","1") = "6"
    & skf21("7","4","1","2","3","6","4","1") = "6"
    & skf21("7","4","1","2","3","6","5","1") = "6"
    & skf21("7","4","1","2","3","6","6","1") = "6"
    & skf21("7","4","1","2","3","6","7","1") = "6"
    & skf21("7","4","1","2","3","7","1","1") = "6"
    & skf21("7","4","1","2","3","7","2","1") = "6"
    & skf21("7","4","1","2","3","7","3","1") = "6"
    & skf21("7","4","1","2","3","7","4","1") = "6"
    & skf21("7","4","1","2","3","7","5","1") = "6"
    & skf21("7","4","1","2","3","7","6","1") = "6"
    & skf21("7","4","1","2","3","7","7","1") = "6"
    & skf21("7","4","1","2","4","1","1","1") = "6"
    & skf21("7","4","1","2","4","1","2","1") = "6"
    & skf21("7","4","1","2","4","1","3","1") = "6"
    & skf21("7","4","1","2","4","1","4","1") = "6"
    & skf21("7","4","1","2","4","1","5","1") = "6"
    & skf21("7","4","1","2","4","1","6","1") = "6"
    & skf21("7","4","1","2","4","1","7","1") = "6"
    & skf21("7","4","1","2","4","2","1","1") = "6"
    & skf21("7","4","1","2","4","2","2","1") = "6"
    & skf21("7","4","1","2","4","2","3","1") = "6"
    & skf21("7","4","1","2","4","2","4","1") = "6"
    & skf21("7","4","1","2","4","2","5","1") = "6"
    & skf21("7","4","1","2","4","2","6","1") = "6"
    & skf21("7","4","1","2","4","2","7","1") = "6"
    & skf21("7","4","1","2","4","3","1","1") = "6"
    & skf21("7","4","1","2","4","3","2","1") = "6"
    & skf21("7","4","1","2","4","3","3","1") = "6"
    & skf21("7","4","1","2","4","3","4","1") = "6"
    & skf21("7","4","1","2","4","3","5","1") = "6"
    & skf21("7","4","1","2","4","3","6","1") = "6"
    & skf21("7","4","1","2","4","3","7","1") = "6"
    & skf21("7","4","1","2","4","4","1","1") = "6"
    & skf21("7","4","1","2","4","4","2","1") = "6"
    & skf21("7","4","1","2","4","4","3","1") = "6"
    & skf21("7","4","1","2","4","4","4","1") = "6"
    & skf21("7","4","1","2","4","4","5","1") = "6"
    & skf21("7","4","1","2","4","4","6","1") = "6"
    & skf21("7","4","1","2","4","4","7","1") = "6"
    & skf21("7","4","1","2","4","5","1","1") = "6"
    & skf21("7","4","1","2","4","5","2","1") = "6"
    & skf21("7","4","1","2","4","5","3","1") = "6"
    & skf21("7","4","1","2","4","5","4","1") = "6"
    & skf21("7","4","1","2","4","5","5","1") = "6"
    & skf21("7","4","1","2","4","5","6","1") = "6"
    & skf21("7","4","1","2","4","5","7","1") = "6"
    & skf21("7","4","1","2","4","6","1","1") = "6"
    & skf21("7","4","1","2","4","6","2","1") = "6"
    & skf21("7","4","1","2","4","6","3","1") = "6"
    & skf21("7","4","1","2","4","6","4","1") = "6"
    & skf21("7","4","1","2","4","6","5","1") = "6"
    & skf21("7","4","1","2","4","6","6","1") = "6"
    & skf21("7","4","1","2","4","6","7","1") = "6"
    & skf21("7","4","1","2","4","7","1","1") = "6"
    & skf21("7","4","1","2","4","7","2","1") = "6"
    & skf21("7","4","1","2","4","7","3","1") = "6"
    & skf21("7","4","1","2","4","7","4","1") = "6"
    & skf21("7","4","1","2","4","7","5","1") = "6"
    & skf21("7","4","1","2","4","7","6","1") = "6"
    & skf21("7","4","1","2","4","7","7","1") = "6"
    & skf21("7","4","1","2","5","1","1","1") = "6"
    & skf21("7","4","1","2","5","1","2","1") = "6"
    & skf21("7","4","1","2","5","1","3","1") = "6"
    & skf21("7","4","1","2","5","1","4","1") = "6"
    & skf21("7","4","1","2","5","1","5","1") = "6"
    & skf21("7","4","1","2","5","1","6","1") = "6"
    & skf21("7","4","1","2","5","1","7","1") = "6"
    & skf21("7","4","1","2","5","2","1","1") = "6"
    & skf21("7","4","1","2","5","2","2","1") = "6"
    & skf21("7","4","1","2","5","2","3","1") = "6"
    & skf21("7","4","1","2","5","2","4","1") = "6"
    & skf21("7","4","1","2","5","2","5","1") = "6"
    & skf21("7","4","1","2","5","2","6","1") = "6"
    & skf21("7","4","1","2","5","2","7","1") = "6"
    & skf21("7","4","1","2","5","3","1","1") = "6"
    & skf21("7","4","1","2","5","3","2","1") = "6"
    & skf21("7","4","1","2","5","3","3","1") = "6"
    & skf21("7","4","1","2","5","3","4","1") = "6"
    & skf21("7","4","1","2","5","3","5","1") = "6"
    & skf21("7","4","1","2","5","3","6","1") = "6"
    & skf21("7","4","1","2","5","3","7","1") = "6"
    & skf21("7","4","1","2","5","4","1","1") = "6"
    & skf21("7","4","1","2","5","4","2","1") = "6"
    & skf21("7","4","1","2","5","4","3","1") = "6"
    & skf21("7","4","1","2","5","4","4","1") = "6"
    & skf21("7","4","1","2","5","4","5","1") = "6"
    & skf21("7","4","1","2","5","4","6","1") = "6"
    & skf21("7","4","1","2","5","4","7","1") = "6"
    & skf21("7","4","1","2","5","5","1","1") = "6"
    & skf21("7","4","1","2","5","5","2","1") = "6"
    & skf21("7","4","1","2","5","5","3","1") = "6"
    & skf21("7","4","1","2","5","5","4","1") = "6"
    & skf21("7","4","1","2","5","5","5","1") = "6"
    & skf21("7","4","1","2","5","5","6","1") = "6"
    & skf21("7","4","1","2","5","5","7","1") = "6"
    & skf21("7","4","1","2","5","6","1","1") = "6"
    & skf21("7","4","1","2","5","6","2","1") = "6"
    & skf21("7","4","1","2","5","6","3","1") = "6"
    & skf21("7","4","1","2","5","6","4","1") = "6"
    & skf21("7","4","1","2","5","6","5","1") = "6"
    & skf21("7","4","1","2","5","6","6","1") = "6"
    & skf21("7","4","1","2","5","6","7","1") = "6"
    & skf21("7","4","1","2","5","7","1","1") = "6"
    & skf21("7","4","1","2","5","7","2","1") = "6"
    & skf21("7","4","1","2","5","7","3","1") = "6"
    & skf21("7","4","1","2","5","7","4","1") = "6"
    & skf21("7","4","1","2","5","7","5","1") = "6"
    & skf21("7","4","1","2","5","7","6","1") = "6"
    & skf21("7","4","1","2","5","7","7","1") = "6"
    & skf21("7","4","1","2","6","1","1","1") = "6"
    & skf21("7","4","1","2","6","1","2","1") = "6"
    & skf21("7","4","1","2","6","1","3","1") = "6"
    & skf21("7","4","1","2","6","1","4","1") = "6"
    & skf21("7","4","1","2","6","1","5","1") = "6"
    & skf21("7","4","1","2","6","1","6","1") = "6"
    & skf21("7","4","1","2","6","1","7","1") = "6"
    & skf21("7","4","1","2","6","2","1","1") = "6"
    & skf21("7","4","1","2","6","2","2","1") = "6"
    & skf21("7","4","1","2","6","2","3","1") = "6"
    & skf21("7","4","1","2","6","2","4","1") = "6"
    & skf21("7","4","1","2","6","2","5","1") = "6"
    & skf21("7","4","1","2","6","2","6","1") = "6"
    & skf21("7","4","1","2","6","2","7","1") = "6"
    & skf21("7","4","1","2","6","3","1","1") = "6"
    & skf21("7","4","1","2","6","3","2","1") = "6"
    & skf21("7","4","1","2","6","3","3","1") = "6"
    & skf21("7","4","1","2","6","3","4","1") = "6"
    & skf21("7","4","1","2","6","3","5","1") = "6"
    & skf21("7","4","1","2","6","3","6","1") = "6"
    & skf21("7","4","1","2","6","3","7","1") = "6"
    & skf21("7","4","1","2","6","4","1","1") = "6"
    & skf21("7","4","1","2","6","4","2","1") = "6"
    & skf21("7","4","1","2","6","4","3","1") = "6"
    & skf21("7","4","1","2","6","4","4","1") = "6"
    & skf21("7","4","1","2","6","4","5","1") = "6"
    & skf21("7","4","1","2","6","4","6","1") = "6"
    & skf21("7","4","1","2","6","4","7","1") = "6"
    & skf21("7","4","1","2","6","5","1","1") = "6"
    & skf21("7","4","1","2","6","5","2","1") = "6"
    & skf21("7","4","1","2","6","5","3","1") = "6"
    & skf21("7","4","1","2","6","5","4","1") = "6"
    & skf21("7","4","1","2","6","5","5","1") = "6"
    & skf21("7","4","1","2","6","5","6","1") = "6"
    & skf21("7","4","1","2","6","5","7","1") = "6"
    & skf21("7","4","1","2","6","6","1","1") = "6"
    & skf21("7","4","1","2","6","6","2","1") = "6"
    & skf21("7","4","1","2","6","6","3","1") = "6"
    & skf21("7","4","1","2","6","6","4","1") = "6"
    & skf21("7","4","1","2","6","6","5","1") = "6"
    & skf21("7","4","1","2","6","6","6","1") = "6"
    & skf21("7","4","1","2","6","6","7","1") = "6"
    & skf21("7","4","1","2","6","7","1","1") = "6"
    & skf21("7","4","1","2","6","7","2","1") = "6"
    & skf21("7","4","1","2","6","7","3","1") = "6"
    & skf21("7","4","1","2","6","7","4","1") = "6"
    & skf21("7","4","1","2","6","7","5","1") = "6"
    & skf21("7","4","1","2","6","7","6","1") = "6"
    & skf21("7","4","1","2","6","7","7","1") = "6"
    & skf21("7","4","1","2","7","1","1","1") = "6"
    & skf21("7","4","1","2","7","1","2","1") = "6"
    & skf21("7","4","1","2","7","1","3","1") = "6"
    & skf21("7","4","1","2","7","1","4","1") = "6"
    & skf21("7","4","1","2","7","1","5","1") = "6"
    & skf21("7","4","1","2","7","1","6","1") = "6"
    & skf21("7","4","1","2","7","1","7","1") = "6"
    & skf21("7","4","1","2","7","2","1","1") = "6"
    & skf21("7","4","1","2","7","2","2","1") = "6"
    & skf21("7","4","1","2","7","2","3","1") = "6"
    & skf21("7","4","1","2","7","2","4","1") = "6"
    & skf21("7","4","1","2","7","2","5","1") = "6"
    & skf21("7","4","1","2","7","2","6","1") = "6"
    & skf21("7","4","1","2","7","2","7","1") = "6"
    & skf21("7","4","1","2","7","3","1","1") = "6"
    & skf21("7","4","1","2","7","3","2","1") = "6"
    & skf21("7","4","1","2","7","3","3","1") = "6"
    & skf21("7","4","1","2","7","3","4","1") = "6"
    & skf21("7","4","1","2","7","3","5","1") = "6"
    & skf21("7","4","1","2","7","3","6","1") = "6"
    & skf21("7","4","1","2","7","3","7","1") = "6"
    & skf21("7","4","1","2","7","4","1","1") = "6"
    & skf21("7","4","1","2","7","4","2","1") = "6"
    & skf21("7","4","1","2","7","4","3","1") = "6"
    & skf21("7","4","1","2","7","4","4","1") = "6"
    & skf21("7","4","1","2","7","4","5","1") = "6"
    & skf21("7","4","1","2","7","4","6","1") = "6"
    & skf21("7","4","1","2","7","4","7","1") = "6"
    & skf21("7","4","1","2","7","5","1","1") = "6"
    & skf21("7","4","1","2","7","5","2","1") = "6"
    & skf21("7","4","1","2","7","5","3","1") = "6"
    & skf21("7","4","1","2","7","5","4","1") = "6"
    & skf21("7","4","1","2","7","5","5","1") = "6"
    & skf21("7","4","1","2","7","5","6","1") = "6"
    & skf21("7","4","1","2","7","5","7","1") = "6"
    & skf21("7","4","1","2","7","6","1","1") = "6"
    & skf21("7","4","1","2","7","6","2","1") = "6"
    & skf21("7","4","1","2","7","6","3","1") = "6"
    & skf21("7","4","1","2","7","6","4","1") = "6"
    & skf21("7","4","1","2","7","6","5","1") = "6"
    & skf21("7","4","1","2","7","6","6","1") = "6"
    & skf21("7","4","1","2","7","6","7","1") = "6"
    & skf21("7","4","1","2","7","7","1","1") = "6"
    & skf21("7","4","1","2","7","7","2","1") = "6"
    & skf21("7","4","1","2","7","7","3","1") = "6"
    & skf21("7","4","1","2","7","7","4","1") = "6"
    & skf21("7","4","1","2","7","7","5","1") = "6"
    & skf21("7","4","1","2","7","7","6","1") = "6"
    & skf21("7","4","1","2","7","7","7","1") = "6"
    & skf21("7","4","1","3","1","1","1","1") = "6"
    & skf21("7","4","1","3","1","1","2","1") = "6"
    & skf21("7","4","1","3","1","1","3","1") = "6"
    & skf21("7","4","1","3","1","1","4","1") = "6"
    & skf21("7","4","1","3","1","1","5","1") = "6"
    & skf21("7","4","1","3","1","1","6","1") = "6"
    & skf21("7","4","1","3","1","1","7","1") = "6"
    & skf21("7","4","1","3","1","2","1","1") = "6"
    & skf21("7","4","1","3","1","2","2","1") = "6"
    & skf21("7","4","1","3","1","2","3","1") = "6"
    & skf21("7","4","1","3","1","2","4","1") = "6"
    & skf21("7","4","1","3","1","2","5","1") = "6"
    & skf21("7","4","1","3","1","2","6","1") = "6"
    & skf21("7","4","1","3","1","2","7","1") = "6"
    & skf21("7","4","1","3","1","3","1","1") = "6"
    & skf21("7","4","1","3","1","3","2","1") = "6"
    & skf21("7","4","1","3","1","3","3","1") = "6"
    & skf21("7","4","1","3","1","3","4","1") = "6"
    & skf21("7","4","1","3","1","3","5","1") = "6"
    & skf21("7","4","1","3","1","3","6","1") = "6"
    & skf21("7","4","1","3","1","3","7","1") = "6"
    & skf21("7","4","1","3","1","4","1","1") = "6"
    & skf21("7","4","1","3","1","4","2","1") = "6"
    & skf21("7","4","1","3","1","4","3","1") = "6"
    & skf21("7","4","1","3","1","4","4","1") = "6"
    & skf21("7","4","1","3","1","4","5","1") = "6"
    & skf21("7","4","1","3","1","4","6","1") = "6"
    & skf21("7","4","1","3","1","4","7","1") = "6"
    & skf21("7","4","1","3","1","5","1","1") = "6"
    & skf21("7","4","1","3","1","5","2","1") = "6"
    & skf21("7","4","1","3","1","5","3","1") = "6"
    & skf21("7","4","1","3","1","5","4","1") = "6"
    & skf21("7","4","1","3","1","5","5","1") = "6"
    & skf21("7","4","1","3","1","5","6","1") = "6"
    & skf21("7","4","1","3","1","5","7","1") = "6"
    & skf21("7","4","1","3","1","6","1","1") = "6"
    & skf21("7","4","1","3","1","6","2","1") = "6"
    & skf21("7","4","1","3","1","6","3","1") = "6"
    & skf21("7","4","1","3","1","6","4","1") = "6"
    & skf21("7","4","1","3","1","6","5","1") = "6"
    & skf21("7","4","1","3","1","6","6","1") = "6"
    & skf21("7","4","1","3","1","6","7","1") = "6"
    & skf21("7","4","1","3","1","7","1","1") = "6"
    & skf21("7","4","1","3","1","7","2","1") = "6"
    & skf21("7","4","1","3","1","7","3","1") = "6"
    & skf21("7","4","1","3","1","7","4","1") = "6"
    & skf21("7","4","1","3","1","7","5","1") = "6"
    & skf21("7","4","1","3","1","7","6","1") = "6"
    & skf21("7","4","1","3","1","7","7","1") = "6"
    & skf21("7","4","1","3","2","1","1","1") = "6"
    & skf21("7","4","1","3","2","1","2","1") = "6"
    & skf21("7","4","1","3","2","1","3","1") = "6"
    & skf21("7","4","1","3","2","1","4","1") = "6"
    & skf21("7","4","1","3","2","1","5","1") = "6"
    & skf21("7","4","1","3","2","1","6","1") = "6"
    & skf21("7","4","1","3","2","1","7","1") = "6"
    & skf21("7","4","1","3","2","2","1","1") = "6"
    & skf21("7","4","1","3","2","2","2","1") = "6"
    & skf21("7","4","1","3","2","2","3","1") = "6"
    & skf21("7","4","1","3","2","2","4","1") = "6"
    & skf21("7","4","1","3","2","2","5","1") = "6"
    & skf21("7","4","1","3","2","2","6","1") = "6"
    & skf21("7","4","1","3","2","2","7","1") = "6"
    & skf21("7","4","1","3","2","3","1","1") = "6"
    & skf21("7","4","1","3","2","3","2","1") = "6"
    & skf21("7","4","1","3","2","3","3","1") = "6"
    & skf21("7","4","1","3","2","3","4","1") = "6"
    & skf21("7","4","1","3","2","3","5","1") = "6"
    & skf21("7","4","1","3","2","3","6","1") = "6"
    & skf21("7","4","1","3","2","3","7","1") = "6"
    & skf21("7","4","1","3","2","4","1","1") = "6"
    & skf21("7","4","1","3","2","4","2","1") = "6"
    & skf21("7","4","1","3","2","4","3","1") = "6"
    & skf21("7","4","1","3","2","4","4","1") = "6"
    & skf21("7","4","1","3","2","4","5","1") = "6"
    & skf21("7","4","1","3","2","4","6","1") = "6"
    & skf21("7","4","1","3","2","4","7","1") = "6"
    & skf21("7","4","1","3","2","5","1","1") = "6"
    & skf21("7","4","1","3","2","5","2","1") = "6"
    & skf21("7","4","1","3","2","5","3","1") = "6"
    & skf21("7","4","1","3","2","5","4","1") = "6"
    & skf21("7","4","1","3","2","5","5","1") = "6"
    & skf21("7","4","1","3","2","5","6","1") = "6"
    & skf21("7","4","1","3","2","5","7","1") = "6"
    & skf21("7","4","1","3","2","6","1","1") = "6"
    & skf21("7","4","1","3","2","6","2","1") = "6"
    & skf21("7","4","1","3","2","6","3","1") = "6"
    & skf21("7","4","1","3","2","6","4","1") = "6"
    & skf21("7","4","1","3","2","6","5","1") = "6"
    & skf21("7","4","1","3","2","6","6","1") = "6"
    & skf21("7","4","1","3","2","6","7","1") = "6"
    & skf21("7","4","1","3","2","7","1","1") = "6"
    & skf21("7","4","1","3","2","7","2","1") = "6"
    & skf21("7","4","1","3","2","7","3","1") = "6"
    & skf21("7","4","1","3","2","7","4","1") = "6"
    & skf21("7","4","1","3","2","7","5","1") = "6"
    & skf21("7","4","1","3","2","7","6","1") = "6"
    & skf21("7","4","1","3","2","7","7","1") = "6"
    & skf21("7","4","1","3","3","1","1","1") = "6"
    & skf21("7","4","1","3","3","1","2","1") = "6"
    & skf21("7","4","1","3","3","1","3","1") = "6"
    & skf21("7","4","1","3","3","1","4","1") = "6"
    & skf21("7","4","1","3","3","1","5","1") = "6"
    & skf21("7","4","1","3","3","1","6","1") = "6"
    & skf21("7","4","1","3","3","1","7","1") = "6"
    & skf21("7","4","1","3","3","2","1","1") = "6"
    & skf21("7","4","1","3","3","2","2","1") = "6"
    & skf21("7","4","1","3","3","2","3","1") = "6"
    & skf21("7","4","1","3","3","2","4","1") = "6"
    & skf21("7","4","1","3","3","2","5","1") = "6"
    & skf21("7","4","1","3","3","2","6","1") = "6"
    & skf21("7","4","1","3","3","2","7","1") = "6"
    & skf21("7","4","1","3","3","3","1","1") = "6"
    & skf21("7","4","1","3","3","3","2","1") = "6"
    & skf21("7","4","1","3","3","3","3","1") = "6"
    & skf21("7","4","1","3","3","3","4","1") = "6"
    & skf21("7","4","1","3","3","3","5","1") = "6"
    & skf21("7","4","1","3","3","3","6","1") = "6"
    & skf21("7","4","1","3","3","3","7","1") = "6"
    & skf21("7","4","1","3","3","4","1","1") = "6"
    & skf21("7","4","1","3","3","4","2","1") = "6"
    & skf21("7","4","1","3","3","4","3","1") = "6"
    & skf21("7","4","1","3","3","4","4","1") = "6"
    & skf21("7","4","1","3","3","4","5","1") = "6"
    & skf21("7","4","1","3","3","4","6","1") = "6"
    & skf21("7","4","1","3","3","4","7","1") = "6"
    & skf21("7","4","1","3","3","5","1","1") = "6"
    & skf21("7","4","1","3","3","5","2","1") = "6"
    & skf21("7","4","1","3","3","5","3","1") = "6"
    & skf21("7","4","1","3","3","5","4","1") = "6"
    & skf21("7","4","1","3","3","5","5","1") = "6"
    & skf21("7","4","1","3","3","5","6","1") = "6"
    & skf21("7","4","1","3","3","5","7","1") = "6"
    & skf21("7","4","1","3","3","6","1","1") = "6"
    & skf21("7","4","1","3","3","6","2","1") = "6"
    & skf21("7","4","1","3","3","6","3","1") = "6"
    & skf21("7","4","1","3","3","6","4","1") = "6"
    & skf21("7","4","1","3","3","6","5","1") = "6"
    & skf21("7","4","1","3","3","6","6","1") = "6"
    & skf21("7","4","1","3","3","6","7","1") = "6"
    & skf21("7","4","1","3","3","7","1","1") = "6"
    & skf21("7","4","1","3","3","7","2","1") = "6"
    & skf21("7","4","1","3","3","7","3","1") = "6"
    & skf21("7","4","1","3","3","7","4","1") = "6"
    & skf21("7","4","1","3","3","7","5","1") = "6"
    & skf21("7","4","1","3","3","7","6","1") = "6"
    & skf21("7","4","1","3","3","7","7","1") = "6"
    & skf21("7","4","1","3","4","1","1","1") = "6"
    & skf21("7","4","1","3","4","1","2","1") = "6"
    & skf21("7","4","1","3","4","1","3","1") = "6"
    & skf21("7","4","1","3","4","1","4","1") = "6"
    & skf21("7","4","1","3","4","1","5","1") = "6"
    & skf21("7","4","1","3","4","1","6","1") = "6"
    & skf21("7","4","1","3","4","1","7","1") = "6"
    & skf21("7","4","1","3","4","2","1","1") = "6"
    & skf21("7","4","1","3","4","2","2","1") = "6"
    & skf21("7","4","1","3","4","2","3","1") = "6"
    & skf21("7","4","1","3","4","2","4","1") = "6"
    & skf21("7","4","1","3","4","2","5","1") = "6"
    & skf21("7","4","1","3","4","2","6","1") = "6"
    & skf21("7","4","1","3","4","2","7","1") = "6"
    & skf21("7","4","1","3","4","3","1","1") = "6"
    & skf21("7","4","1","3","4","3","2","1") = "6"
    & skf21("7","4","1","3","4","3","3","1") = "6"
    & skf21("7","4","1","3","4","3","4","1") = "6"
    & skf21("7","4","1","3","4","3","5","1") = "6"
    & skf21("7","4","1","3","4","3","6","1") = "6"
    & skf21("7","4","1","3","4","3","7","1") = "6"
    & skf21("7","4","1","3","4","4","1","1") = "6"
    & skf21("7","4","1","3","4","4","2","1") = "6"
    & skf21("7","4","1","3","4","4","3","1") = "6"
    & skf21("7","4","1","3","4","4","4","1") = "6"
    & skf21("7","4","1","3","4","4","5","1") = "6"
    & skf21("7","4","1","3","4","4","6","1") = "6"
    & skf21("7","4","1","3","4","4","7","1") = "6"
    & skf21("7","4","1","3","4","5","1","1") = "6"
    & skf21("7","4","1","3","4","5","2","1") = "6"
    & skf21("7","4","1","3","4","5","3","1") = "6"
    & skf21("7","4","1","3","4","5","4","1") = "6"
    & skf21("7","4","1","3","4","5","5","1") = "6"
    & skf21("7","4","1","3","4","5","6","1") = "6"
    & skf21("7","4","1","3","4","5","7","1") = "6"
    & skf21("7","4","1","3","4","6","1","1") = "6"
    & skf21("7","4","1","3","4","6","2","1") = "6"
    & skf21("7","4","1","3","4","6","3","1") = "6"
    & skf21("7","4","1","3","4","6","4","1") = "6"
    & skf21("7","4","1","3","4","6","5","1") = "6"
    & skf21("7","4","1","3","4","6","6","1") = "6"
    & skf21("7","4","1","3","4","6","7","1") = "6"
    & skf21("7","4","1","3","4","7","1","1") = "6"
    & skf21("7","4","1","3","4","7","2","1") = "6"
    & skf21("7","4","1","3","4","7","3","1") = "6"
    & skf21("7","4","1","3","4","7","4","1") = "6"
    & skf21("7","4","1","3","4","7","5","1") = "6"
    & skf21("7","4","1","3","4","7","6","1") = "6"
    & skf21("7","4","1","3","4","7","7","1") = "6"
    & skf21("7","4","1","3","5","1","1","1") = "6"
    & skf21("7","4","1","3","5","1","2","1") = "6"
    & skf21("7","4","1","3","5","1","3","1") = "6"
    & skf21("7","4","1","3","5","1","4","1") = "6"
    & skf21("7","4","1","3","5","1","5","1") = "6"
    & skf21("7","4","1","3","5","1","6","1") = "6"
    & skf21("7","4","1","3","5","1","7","1") = "6"
    & skf21("7","4","1","3","5","2","1","1") = "6"
    & skf21("7","4","1","3","5","2","2","1") = "6"
    & skf21("7","4","1","3","5","2","3","1") = "6"
    & skf21("7","4","1","3","5","2","4","1") = "6"
    & skf21("7","4","1","3","5","2","5","1") = "6"
    & skf21("7","4","1","3","5","2","6","1") = "6"
    & skf21("7","4","1","3","5","2","7","1") = "6"
    & skf21("7","4","1","3","5","3","1","1") = "6"
    & skf21("7","4","1","3","5","3","2","1") = "6"
    & skf21("7","4","1","3","5","3","3","1") = "6"
    & skf21("7","4","1","3","5","3","4","1") = "6"
    & skf21("7","4","1","3","5","3","5","1") = "6"
    & skf21("7","4","1","3","5","3","6","1") = "6"
    & skf21("7","4","1","3","5","3","7","1") = "6"
    & skf21("7","4","1","3","5","4","1","1") = "6"
    & skf21("7","4","1","3","5","4","2","1") = "6"
    & skf21("7","4","1","3","5","4","3","1") = "6"
    & skf21("7","4","1","3","5","4","4","1") = "6"
    & skf21("7","4","1","3","5","4","5","1") = "6"
    & skf21("7","4","1","3","5","4","6","1") = "6"
    & skf21("7","4","1","3","5","4","7","1") = "6"
    & skf21("7","4","1","3","5","5","1","1") = "6"
    & skf21("7","4","1","3","5","5","2","1") = "6"
    & skf21("7","4","1","3","5","5","3","1") = "6"
    & skf21("7","4","1","3","5","5","4","1") = "6"
    & skf21("7","4","1","3","5","5","5","1") = "6"
    & skf21("7","4","1","3","5","5","6","1") = "6"
    & skf21("7","4","1","3","5","5","7","1") = "6"
    & skf21("7","4","1","3","5","6","1","1") = "6"
    & skf21("7","4","1","3","5","6","2","1") = "6"
    & skf21("7","4","1","3","5","6","3","1") = "6"
    & skf21("7","4","1","3","5","6","4","1") = "6"
    & skf21("7","4","1","3","5","6","5","1") = "6"
    & skf21("7","4","1","3","5","6","6","1") = "6"
    & skf21("7","4","1","3","5","6","7","1") = "6"
    & skf21("7","4","1","3","5","7","1","1") = "6"
    & skf21("7","4","1","3","5","7","2","1") = "6"
    & skf21("7","4","1","3","5","7","3","1") = "6"
    & skf21("7","4","1","3","5","7","4","1") = "6"
    & skf21("7","4","1","3","5","7","5","1") = "6"
    & skf21("7","4","1","3","5","7","6","1") = "6"
    & skf21("7","4","1","3","5","7","7","1") = "6"
    & skf21("7","4","1","3","6","1","1","1") = "6"
    & skf21("7","4","1","3","6","1","2","1") = "6"
    & skf21("7","4","1","3","6","1","3","1") = "6"
    & skf21("7","4","1","3","6","1","4","1") = "6"
    & skf21("7","4","1","3","6","1","5","1") = "6"
    & skf21("7","4","1","3","6","1","6","1") = "6"
    & skf21("7","4","1","3","6","1","7","1") = "6"
    & skf21("7","4","1","3","6","2","1","1") = "6"
    & skf21("7","4","1","3","6","2","2","1") = "6"
    & skf21("7","4","1","3","6","2","3","1") = "6"
    & skf21("7","4","1","3","6","2","4","1") = "6"
    & skf21("7","4","1","3","6","2","5","1") = "6"
    & skf21("7","4","1","3","6","2","6","1") = "6"
    & skf21("7","4","1","3","6","2","7","1") = "6"
    & skf21("7","4","1","3","6","3","1","1") = "6"
    & skf21("7","4","1","3","6","3","2","1") = "6"
    & skf21("7","4","1","3","6","3","3","1") = "6"
    & skf21("7","4","1","3","6","3","4","1") = "6"
    & skf21("7","4","1","3","6","3","5","1") = "6"
    & skf21("7","4","1","3","6","3","6","1") = "6"
    & skf21("7","4","1","3","6","3","7","1") = "6"
    & skf21("7","4","1","3","6","4","1","1") = "6"
    & skf21("7","4","1","3","6","4","2","1") = "6"
    & skf21("7","4","1","3","6","4","3","1") = "6"
    & skf21("7","4","1","3","6","4","4","1") = "6"
    & skf21("7","4","1","3","6","4","5","1") = "6"
    & skf21("7","4","1","3","6","4","6","1") = "6"
    & skf21("7","4","1","3","6","4","7","1") = "6"
    & skf21("7","4","1","3","6","5","1","1") = "6"
    & skf21("7","4","1","3","6","5","2","1") = "6"
    & skf21("7","4","1","3","6","5","3","1") = "6"
    & skf21("7","4","1","3","6","5","4","1") = "6"
    & skf21("7","4","1","3","6","5","5","1") = "6"
    & skf21("7","4","1","3","6","5","6","1") = "6"
    & skf21("7","4","1","3","6","5","7","1") = "6"
    & skf21("7","4","1","3","6","6","1","1") = "6"
    & skf21("7","4","1","3","6","6","2","1") = "6"
    & skf21("7","4","1","3","6","6","3","1") = "6"
    & skf21("7","4","1","3","6","6","4","1") = "6"
    & skf21("7","4","1","3","6","6","5","1") = "6"
    & skf21("7","4","1","3","6","6","6","1") = "6"
    & skf21("7","4","1","3","6","6","7","1") = "6"
    & skf21("7","4","1","3","6","7","1","1") = "6"
    & skf21("7","4","1","3","6","7","2","1") = "6"
    & skf21("7","4","1","3","6","7","3","1") = "6"
    & skf21("7","4","1","3","6","7","4","1") = "6"
    & skf21("7","4","1","3","6","7","5","1") = "6"
    & skf21("7","4","1","3","6","7","6","1") = "6"
    & skf21("7","4","1","3","6","7","7","1") = "6"
    & skf21("7","4","1","3","7","1","1","1") = "6"
    & skf21("7","4","1","3","7","1","2","1") = "6"
    & skf21("7","4","1","3","7","1","3","1") = "6"
    & skf21("7","4","1","3","7","1","4","1") = "6"
    & skf21("7","4","1","3","7","1","5","1") = "6"
    & skf21("7","4","1","3","7","1","6","1") = "6"
    & skf21("7","4","1","3","7","1","7","1") = "6"
    & skf21("7","4","1","3","7","2","1","1") = "6"
    & skf21("7","4","1","3","7","2","2","1") = "6"
    & skf21("7","4","1","3","7","2","3","1") = "6"
    & skf21("7","4","1","3","7","2","4","1") = "6"
    & skf21("7","4","1","3","7","2","5","1") = "6"
    & skf21("7","4","1","3","7","2","6","1") = "6"
    & skf21("7","4","1","3","7","2","7","1") = "6"
    & skf21("7","4","1","3","7","3","1","1") = "6"
    & skf21("7","4","1","3","7","3","2","1") = "6"
    & skf21("7","4","1","3","7","3","3","1") = "6"
    & skf21("7","4","1","3","7","3","4","1") = "6"
    & skf21("7","4","1","3","7","3","5","1") = "6"
    & skf21("7","4","1","3","7","3","6","1") = "6"
    & skf21("7","4","1","3","7","3","7","1") = "6"
    & skf21("7","4","1","3","7","4","1","1") = "6"
    & skf21("7","4","1","3","7","4","2","1") = "6"
    & skf21("7","4","1","3","7","4","3","1") = "6"
    & skf21("7","4","1","3","7","4","4","1") = "6"
    & skf21("7","4","1","3","7","4","5","1") = "6"
    & skf21("7","4","1","3","7","4","6","1") = "6"
    & skf21("7","4","1","3","7","4","7","1") = "6"
    & skf21("7","4","1","3","7","5","1","1") = "6"
    & skf21("7","4","1","3","7","5","2","1") = "6"
    & skf21("7","4","1","3","7","5","3","1") = "6"
    & skf21("7","4","1","3","7","5","4","1") = "6"
    & skf21("7","4","1","3","7","5","5","1") = "6"
    & skf21("7","4","1","3","7","5","6","1") = "6"
    & skf21("7","4","1","3","7","5","7","1") = "6"
    & skf21("7","4","1","3","7","6","1","1") = "6"
    & skf21("7","4","1","3","7","6","2","1") = "6"
    & skf21("7","4","1","3","7","6","3","1") = "6"
    & skf21("7","4","1","3","7","6","4","1") = "6"
    & skf21("7","4","1","3","7","6","5","1") = "6"
    & skf21("7","4","1","3","7","6","6","1") = "6"
    & skf21("7","4","1","3","7","6","7","1") = "6"
    & skf21("7","4","1","3","7","7","1","1") = "6"
    & skf21("7","4","1","3","7","7","2","1") = "6"
    & skf21("7","4","1","3","7","7","3","1") = "6"
    & skf21("7","4","1","3","7","7","4","1") = "6"
    & skf21("7","4","1","3","7","7","5","1") = "6"
    & skf21("7","4","1","3","7","7","6","1") = "6"
    & skf21("7","4","1","3","7","7","7","1") = "6"
    & skf21("7","4","1","4","1","1","1","1") = "6"
    & skf21("7","4","1","4","1","1","2","1") = "6"
    & skf21("7","4","1","4","1","1","3","1") = "6"
    & skf21("7","4","1","4","1","1","4","1") = "6"
    & skf21("7","4","1","4","1","1","5","1") = "6"
    & skf21("7","4","1","4","1","1","6","1") = "6"
    & skf21("7","4","1","4","1","1","7","1") = "6"
    & skf21("7","4","1","4","1","2","1","1") = "6"
    & skf21("7","4","1","4","1","2","2","1") = "6"
    & skf21("7","4","1","4","1","2","3","1") = "6"
    & skf21("7","4","1","4","1","2","4","1") = "6"
    & skf21("7","4","1","4","1","2","5","1") = "6"
    & skf21("7","4","1","4","1","2","6","1") = "6"
    & skf21("7","4","1","4","1","2","7","1") = "6"
    & skf21("7","4","1","4","1","3","1","1") = "6"
    & skf21("7","4","1","4","1","3","2","1") = "6"
    & skf21("7","4","1","4","1","3","3","1") = "6"
    & skf21("7","4","1","4","1","3","4","1") = "6"
    & skf21("7","4","1","4","1","3","5","1") = "6"
    & skf21("7","4","1","4","1","3","6","1") = "6"
    & skf21("7","4","1","4","1","3","7","1") = "6"
    & skf21("7","4","1","4","1","4","1","1") = "6"
    & skf21("7","4","1","4","1","4","2","1") = "6"
    & skf21("7","4","1","4","1","4","3","1") = "6"
    & skf21("7","4","1","4","1","4","4","1") = "6"
    & skf21("7","4","1","4","1","4","5","1") = "6"
    & skf21("7","4","1","4","1","4","6","1") = "6"
    & skf21("7","4","1","4","1","4","7","1") = "6"
    & skf21("7","4","1","4","1","5","1","1") = "6"
    & skf21("7","4","1","4","1","5","2","1") = "6"
    & skf21("7","4","1","4","1","5","3","1") = "6"
    & skf21("7","4","1","4","1","5","4","1") = "6"
    & skf21("7","4","1","4","1","5","5","1") = "6"
    & skf21("7","4","1","4","1","5","6","1") = "6"
    & skf21("7","4","1","4","1","5","7","1") = "6"
    & skf21("7","4","1","4","1","6","1","1") = "6"
    & skf21("7","4","1","4","1","6","2","1") = "6"
    & skf21("7","4","1","4","1","6","3","1") = "6"
    & skf21("7","4","1","4","1","6","4","1") = "6"
    & skf21("7","4","1","4","1","6","5","1") = "6"
    & skf21("7","4","1","4","1","6","6","1") = "6"
    & skf21("7","4","1","4","1","6","7","1") = "6"
    & skf21("7","4","1","4","1","7","1","1") = "6"
    & skf21("7","4","1","4","1","7","2","1") = "6"
    & skf21("7","4","1","4","1","7","3","1") = "6"
    & skf21("7","4","1","4","1","7","4","1") = "6"
    & skf21("7","4","1","4","1","7","5","1") = "6"
    & skf21("7","4","1","4","1","7","6","1") = "6"
    & skf21("7","4","1","4","1","7","7","1") = "6"
    & skf21("7","4","1","4","2","1","1","1") = "6"
    & skf21("7","4","1","4","2","1","2","1") = "6"
    & skf21("7","4","1","4","2","1","3","1") = "6"
    & skf21("7","4","1","4","2","1","4","1") = "6"
    & skf21("7","4","1","4","2","1","5","1") = "6"
    & skf21("7","4","1","4","2","1","6","1") = "6"
    & skf21("7","4","1","4","2","1","7","1") = "6"
    & skf21("7","4","1","4","2","2","1","1") = "6"
    & skf21("7","4","1","4","2","2","2","1") = "6"
    & skf21("7","4","1","4","2","2","3","1") = "6"
    & skf21("7","4","1","4","2","2","4","1") = "6"
    & skf21("7","4","1","4","2","2","5","1") = "6"
    & skf21("7","4","1","4","2","2","6","1") = "6"
    & skf21("7","4","1","4","2","2","7","1") = "6"
    & skf21("7","4","1","4","2","3","1","1") = "6"
    & skf21("7","4","1","4","2","3","2","1") = "6"
    & skf21("7","4","1","4","2","3","3","1") = "6"
    & skf21("7","4","1","4","2","3","4","1") = "6"
    & skf21("7","4","1","4","2","3","5","1") = "6"
    & skf21("7","4","1","4","2","3","6","1") = "6"
    & skf21("7","4","1","4","2","3","7","1") = "6"
    & skf21("7","4","1","4","2","4","1","1") = "6"
    & skf21("7","4","1","4","2","4","2","1") = "6"
    & skf21("7","4","1","4","2","4","3","1") = "6"
    & skf21("7","4","1","4","2","4","4","1") = "6"
    & skf21("7","4","1","4","2","4","5","1") = "6"
    & skf21("7","4","1","4","2","4","6","1") = "6"
    & skf21("7","4","1","4","2","4","7","1") = "6"
    & skf21("7","4","1","4","2","5","1","1") = "6"
    & skf21("7","4","1","4","2","5","2","1") = "6"
    & skf21("7","4","1","4","2","5","3","1") = "6"
    & skf21("7","4","1","4","2","5","4","1") = "6"
    & skf21("7","4","1","4","2","5","5","1") = "6"
    & skf21("7","4","1","4","2","5","6","1") = "6"
    & skf21("7","4","1","4","2","5","7","1") = "6"
    & skf21("7","4","1","4","2","6","1","1") = "6"
    & skf21("7","4","1","4","2","6","2","1") = "6"
    & skf21("7","4","1","4","2","6","3","1") = "6"
    & skf21("7","4","1","4","2","6","4","1") = "6"
    & skf21("7","4","1","4","2","6","5","1") = "6"
    & skf21("7","4","1","4","2","6","6","1") = "6"
    & skf21("7","4","1","4","2","6","7","1") = "6"
    & skf21("7","4","1","4","2","7","1","1") = "6"
    & skf21("7","4","1","4","2","7","2","1") = "6"
    & skf21("7","4","1","4","2","7","3","1") = "6"
    & skf21("7","4","1","4","2","7","4","1") = "6"
    & skf21("7","4","1","4","2","7","5","1") = "6"
    & skf21("7","4","1","4","2","7","6","1") = "6"
    & skf21("7","4","1","4","2","7","7","1") = "6"
    & skf21("7","4","1","4","3","1","1","1") = "6"
    & skf21("7","4","1","4","3","1","2","1") = "6"
    & skf21("7","4","1","4","3","1","3","1") = "6"
    & skf21("7","4","1","4","3","1","4","1") = "6"
    & skf21("7","4","1","4","3","1","5","1") = "6"
    & skf21("7","4","1","4","3","1","6","1") = "6"
    & skf21("7","4","1","4","3","1","7","1") = "6"
    & skf21("7","4","1","4","3","2","1","1") = "6"
    & skf21("7","4","1","4","3","2","2","1") = "6"
    & skf21("7","4","1","4","3","2","3","1") = "6"
    & skf21("7","4","1","4","3","2","4","1") = "6"
    & skf21("7","4","1","4","3","2","5","1") = "6"
    & skf21("7","4","1","4","3","2","6","1") = "6"
    & skf21("7","4","1","4","3","2","7","1") = "6"
    & skf21("7","4","1","4","3","3","1","1") = "6"
    & skf21("7","4","1","4","3","3","2","1") = "6"
    & skf21("7","4","1","4","3","3","3","1") = "6"
    & skf21("7","4","1","4","3","3","4","1") = "6"
    & skf21("7","4","1","4","3","3","5","1") = "6"
    & skf21("7","4","1","4","3","3","6","1") = "6"
    & skf21("7","4","1","4","3","3","7","1") = "6"
    & skf21("7","4","1","4","3","4","1","1") = "6"
    & skf21("7","4","1","4","3","4","2","1") = "6"
    & skf21("7","4","1","4","3","4","3","1") = "6"
    & skf21("7","4","1","4","3","4","4","1") = "6"
    & skf21("7","4","1","4","3","4","5","1") = "6"
    & skf21("7","4","1","4","3","4","6","1") = "6"
    & skf21("7","4","1","4","3","4","7","1") = "6"
    & skf21("7","4","1","4","3","5","1","1") = "6"
    & skf21("7","4","1","4","3","5","2","1") = "6"
    & skf21("7","4","1","4","3","5","3","1") = "6"
    & skf21("7","4","1","4","3","5","4","1") = "6"
    & skf21("7","4","1","4","3","5","5","1") = "6"
    & skf21("7","4","1","4","3","5","6","1") = "6"
    & skf21("7","4","1","4","3","5","7","1") = "6"
    & skf21("7","4","1","4","3","6","1","1") = "6"
    & skf21("7","4","1","4","3","6","2","1") = "6"
    & skf21("7","4","1","4","3","6","3","1") = "6"
    & skf21("7","4","1","4","3","6","4","1") = "6"
    & skf21("7","4","1","4","3","6","5","1") = "6"
    & skf21("7","4","1","4","3","6","6","1") = "6"
    & skf21("7","4","1","4","3","6","7","1") = "6"
    & skf21("7","4","1","4","3","7","1","1") = "6"
    & skf21("7","4","1","4","3","7","2","1") = "6"
    & skf21("7","4","1","4","3","7","3","1") = "6"
    & skf21("7","4","1","4","3","7","4","1") = "6"
    & skf21("7","4","1","4","3","7","5","1") = "6"
    & skf21("7","4","1","4","3","7","6","1") = "6"
    & skf21("7","4","1","4","3","7","7","1") = "6"
    & skf21("7","4","1","4","4","1","1","1") = "6"
    & skf21("7","4","1","4","4","1","2","1") = "6"
    & skf21("7","4","1","4","4","1","3","1") = "6"
    & skf21("7","4","1","4","4","1","4","1") = "6"
    & skf21("7","4","1","4","4","1","5","1") = "6"
    & skf21("7","4","1","4","4","1","6","1") = "6"
    & skf21("7","4","1","4","4","1","7","1") = "6"
    & skf21("7","4","1","4","4","2","1","1") = "6"
    & skf21("7","4","1","4","4","2","2","1") = "6"
    & skf21("7","4","1","4","4","2","3","1") = "6"
    & skf21("7","4","1","4","4","2","4","1") = "6"
    & skf21("7","4","1","4","4","2","5","1") = "6"
    & skf21("7","4","1","4","4","2","6","1") = "6"
    & skf21("7","4","1","4","4","2","7","1") = "6"
    & skf21("7","4","1","4","4","3","1","1") = "6"
    & skf21("7","4","1","4","4","3","2","1") = "6"
    & skf21("7","4","1","4","4","3","3","1") = "6"
    & skf21("7","4","1","4","4","3","4","1") = "6"
    & skf21("7","4","1","4","4","3","5","1") = "6"
    & skf21("7","4","1","4","4","3","6","1") = "6"
    & skf21("7","4","1","4","4","3","7","1") = "6"
    & skf21("7","4","1","4","4","4","1","1") = "6"
    & skf21("7","4","1","4","4","4","2","1") = "6"
    & skf21("7","4","1","4","4","4","3","1") = "6"
    & skf21("7","4","1","4","4","4","4","1") = "6"
    & skf21("7","4","1","4","4","4","5","1") = "6"
    & skf21("7","4","1","4","4","4","6","1") = "6"
    & skf21("7","4","1","4","4","4","7","1") = "6"
    & skf21("7","4","1","4","4","5","1","1") = "6"
    & skf21("7","4","1","4","4","5","2","1") = "6"
    & skf21("7","4","1","4","4","5","3","1") = "6"
    & skf21("7","4","1","4","4","5","4","1") = "6"
    & skf21("7","4","1","4","4","5","5","1") = "6"
    & skf21("7","4","1","4","4","5","6","1") = "6"
    & skf21("7","4","1","4","4","5","7","1") = "6"
    & skf21("7","4","1","4","4","6","1","1") = "6"
    & skf21("7","4","1","4","4","6","2","1") = "6"
    & skf21("7","4","1","4","4","6","3","1") = "6"
    & skf21("7","4","1","4","4","6","4","1") = "6"
    & skf21("7","4","1","4","4","6","5","1") = "6"
    & skf21("7","4","1","4","4","6","6","1") = "6"
    & skf21("7","4","1","4","4","6","7","1") = "6"
    & skf21("7","4","1","4","4","7","1","1") = "6"
    & skf21("7","4","1","4","4","7","2","1") = "6"
    & skf21("7","4","1","4","4","7","3","1") = "6"
    & skf21("7","4","1","4","4","7","4","1") = "6"
    & skf21("7","4","1","4","4","7","5","1") = "6"
    & skf21("7","4","1","4","4","7","6","1") = "6"
    & skf21("7","4","1","4","4","7","7","1") = "6"
    & skf21("7","4","1","4","5","1","1","1") = "6"
    & skf21("7","4","1","4","5","1","2","1") = "6"
    & skf21("7","4","1","4","5","1","3","1") = "6"
    & skf21("7","4","1","4","5","1","4","1") = "6"
    & skf21("7","4","1","4","5","1","5","1") = "6"
    & skf21("7","4","1","4","5","1","6","1") = "6"
    & skf21("7","4","1","4","5","1","7","1") = "6"
    & skf21("7","4","1","4","5","2","1","1") = "6"
    & skf21("7","4","1","4","5","2","2","1") = "6"
    & skf21("7","4","1","4","5","2","3","1") = "6"
    & skf21("7","4","1","4","5","2","4","1") = "6"
    & skf21("7","4","1","4","5","2","5","1") = "6"
    & skf21("7","4","1","4","5","2","6","1") = "6"
    & skf21("7","4","1","4","5","2","7","1") = "6"
    & skf21("7","4","1","4","5","3","1","1") = "6"
    & skf21("7","4","1","4","5","3","2","1") = "6"
    & skf21("7","4","1","4","5","3","3","1") = "6"
    & skf21("7","4","1","4","5","3","4","1") = "6"
    & skf21("7","4","1","4","5","3","5","1") = "6"
    & skf21("7","4","1","4","5","3","6","1") = "6"
    & skf21("7","4","1","4","5","3","7","1") = "6"
    & skf21("7","4","1","4","5","4","1","1") = "6"
    & skf21("7","4","1","4","5","4","2","1") = "6"
    & skf21("7","4","1","4","5","4","3","1") = "6"
    & skf21("7","4","1","4","5","4","4","1") = "6"
    & skf21("7","4","1","4","5","4","5","1") = "6"
    & skf21("7","4","1","4","5","4","6","1") = "6"
    & skf21("7","4","1","4","5","4","7","1") = "6"
    & skf21("7","4","1","4","5","5","1","1") = "6"
    & skf21("7","4","1","4","5","5","2","1") = "6"
    & skf21("7","4","1","4","5","5","3","1") = "6"
    & skf21("7","4","1","4","5","5","4","1") = "6"
    & skf21("7","4","1","4","5","5","5","1") = "6"
    & skf21("7","4","1","4","5","5","6","1") = "6"
    & skf21("7","4","1","4","5","5","7","1") = "6"
    & skf21("7","4","1","4","5","6","1","1") = "6"
    & skf21("7","4","1","4","5","6","2","1") = "6"
    & skf21("7","4","1","4","5","6","3","1") = "6"
    & skf21("7","4","1","4","5","6","4","1") = "6"
    & skf21("7","4","1","4","5","6","5","1") = "6"
    & skf21("7","4","1","4","5","6","6","1") = "6"
    & skf21("7","4","1","4","5","6","7","1") = "6"
    & skf21("7","4","1","4","5","7","1","1") = "6"
    & skf21("7","4","1","4","5","7","2","1") = "6"
    & skf21("7","4","1","4","5","7","3","1") = "6"
    & skf21("7","4","1","4","5","7","4","1") = "6"
    & skf21("7","4","1","4","5","7","5","1") = "6"
    & skf21("7","4","1","4","5","7","6","1") = "6"
    & skf21("7","4","1","4","5","7","7","1") = "6"
    & skf21("7","4","1","4","6","1","1","1") = "6"
    & skf21("7","4","1","4","6","1","2","1") = "6"
    & skf21("7","4","1","4","6","1","3","1") = "6"
    & skf21("7","4","1","4","6","1","4","1") = "6"
    & skf21("7","4","1","4","6","1","5","1") = "6"
    & skf21("7","4","1","4","6","1","6","1") = "6"
    & skf21("7","4","1","4","6","1","7","1") = "6"
    & skf21("7","4","1","4","6","2","1","1") = "6"
    & skf21("7","4","1","4","6","2","2","1") = "6"
    & skf21("7","4","1","4","6","2","3","1") = "6"
    & skf21("7","4","1","4","6","2","4","1") = "6"
    & skf21("7","4","1","4","6","2","5","1") = "6"
    & skf21("7","4","1","4","6","2","6","1") = "6"
    & skf21("7","4","1","4","6","2","7","1") = "6"
    & skf21("7","4","1","4","6","3","1","1") = "6"
    & skf21("7","4","1","4","6","3","2","1") = "6"
    & skf21("7","4","1","4","6","3","3","1") = "6"
    & skf21("7","4","1","4","6","3","4","1") = "6"
    & skf21("7","4","1","4","6","3","5","1") = "6"
    & skf21("7","4","1","4","6","3","6","1") = "6"
    & skf21("7","4","1","4","6","3","7","1") = "6"
    & skf21("7","4","1","4","6","4","1","1") = "6"
    & skf21("7","4","1","4","6","4","2","1") = "6"
    & skf21("7","4","1","4","6","4","3","1") = "6"
    & skf21("7","4","1","4","6","4","4","1") = "6"
    & skf21("7","4","1","4","6","4","5","1") = "6"
    & skf21("7","4","1","4","6","4","6","1") = "6"
    & skf21("7","4","1","4","6","4","7","1") = "6"
    & skf21("7","4","1","4","6","5","1","1") = "6"
    & skf21("7","4","1","4","6","5","2","1") = "6"
    & skf21("7","4","1","4","6","5","3","1") = "6"
    & skf21("7","4","1","4","6","5","4","1") = "6"
    & skf21("7","4","1","4","6","5","5","1") = "6"
    & skf21("7","4","1","4","6","5","6","1") = "6"
    & skf21("7","4","1","4","6","5","7","1") = "6"
    & skf21("7","4","1","4","6","6","1","1") = "6"
    & skf21("7","4","1","4","6","6","2","1") = "6"
    & skf21("7","4","1","4","6","6","3","1") = "6"
    & skf21("7","4","1","4","6","6","4","1") = "6"
    & skf21("7","4","1","4","6","6","5","1") = "6"
    & skf21("7","4","1","4","6","6","6","1") = "6"
    & skf21("7","4","1","4","6","6","7","1") = "6"
    & skf21("7","4","1","4","6","7","1","1") = "6"
    & skf21("7","4","1","4","6","7","2","1") = "6"
    & skf21("7","4","1","4","6","7","3","1") = "6"
    & skf21("7","4","1","4","6","7","4","1") = "6"
    & skf21("7","4","1","4","6","7","5","1") = "6"
    & skf21("7","4","1","4","6","7","6","1") = "6"
    & skf21("7","4","1","4","6","7","7","1") = "6"
    & skf21("7","4","1","4","7","1","1","1") = "6"
    & skf21("7","4","1","4","7","1","2","1") = "6"
    & skf21("7","4","1","4","7","1","3","1") = "6"
    & skf21("7","4","1","4","7","1","4","1") = "6"
    & skf21("7","4","1","4","7","1","5","1") = "6"
    & skf21("7","4","1","4","7","1","6","1") = "6"
    & skf21("7","4","1","4","7","1","7","1") = "6"
    & skf21("7","4","1","4","7","2","1","1") = "6"
    & skf21("7","4","1","4","7","2","2","1") = "6"
    & skf21("7","4","1","4","7","2","3","1") = "6"
    & skf21("7","4","1","4","7","2","4","1") = "6"
    & skf21("7","4","1","4","7","2","5","1") = "6"
    & skf21("7","4","1","4","7","2","6","1") = "6"
    & skf21("7","4","1","4","7","2","7","1") = "6"
    & skf21("7","4","1","4","7","3","1","1") = "6"
    & skf21("7","4","1","4","7","3","2","1") = "6"
    & skf21("7","4","1","4","7","3","3","1") = "6"
    & skf21("7","4","1","4","7","3","4","1") = "6"
    & skf21("7","4","1","4","7","3","5","1") = "6"
    & skf21("7","4","1","4","7","3","6","1") = "6"
    & skf21("7","4","1","4","7","3","7","1") = "6"
    & skf21("7","4","1","4","7","4","1","1") = "6"
    & skf21("7","4","1","4","7","4","2","1") = "6"
    & skf21("7","4","1","4","7","4","3","1") = "6"
    & skf21("7","4","1","4","7","4","4","1") = "6"
    & skf21("7","4","1","4","7","4","5","1") = "6"
    & skf21("7","4","1","4","7","4","6","1") = "6"
    & skf21("7","4","1","4","7","4","7","1") = "6"
    & skf21("7","4","1","4","7","5","1","1") = "6"
    & skf21("7","4","1","4","7","5","2","1") = "6"
    & skf21("7","4","1","4","7","5","3","1") = "6"
    & skf21("7","4","1","4","7","5","4","1") = "6"
    & skf21("7","4","1","4","7","5","5","1") = "6"
    & skf21("7","4","1","4","7","5","6","1") = "6"
    & skf21("7","4","1","4","7","5","7","1") = "6"
    & skf21("7","4","1","4","7","6","1","1") = "6"
    & skf21("7","4","1","4","7","6","2","1") = "6"
    & skf21("7","4","1","4","7","6","3","1") = "6"
    & skf21("7","4","1","4","7","6","4","1") = "6"
    & skf21("7","4","1","4","7","6","5","1") = "6"
    & skf21("7","4","1","4","7","6","6","1") = "6"
    & skf21("7","4","1","4","7","6","7","1") = "6"
    & skf21("7","4","1","4","7","7","1","1") = "6"
    & skf21("7","4","1","4","7","7","2","1") = "6"
    & skf21("7","4","1","4","7","7","3","1") = "6"
    & skf21("7","4","1","4","7","7","4","1") = "6"
    & skf21("7","4","1","4","7","7","5","1") = "6"
    & skf21("7","4","1","4","7","7","6","1") = "6"
    & skf21("7","4","1","4","7","7","7","1") = "6"
    & skf21("7","4","1","5","1","1","1","1") = "6"
    & skf21("7","4","1","5","1","1","2","1") = "6"
    & skf21("7","4","1","5","1","1","3","1") = "6"
    & skf21("7","4","1","5","1","1","4","1") = "6"
    & skf21("7","4","1","5","1","1","5","1") = "6"
    & skf21("7","4","1","5","1","1","6","1") = "6"
    & skf21("7","4","1","5","1","1","7","1") = "6"
    & skf21("7","4","1","5","1","2","1","1") = "6"
    & skf21("7","4","1","5","1","2","2","1") = "6"
    & skf21("7","4","1","5","1","2","3","1") = "6"
    & skf21("7","4","1","5","1","2","4","1") = "6"
    & skf21("7","4","1","5","1","2","5","1") = "6"
    & skf21("7","4","1","5","1","2","6","1") = "6"
    & skf21("7","4","1","5","1","2","7","1") = "6"
    & skf21("7","4","1","5","1","3","1","1") = "6"
    & skf21("7","4","1","5","1","3","2","1") = "6"
    & skf21("7","4","1","5","1","3","3","1") = "6"
    & skf21("7","4","1","5","1","3","4","1") = "6"
    & skf21("7","4","1","5","1","3","5","1") = "6"
    & skf21("7","4","1","5","1","3","6","1") = "6"
    & skf21("7","4","1","5","1","3","7","1") = "6"
    & skf21("7","4","1","5","1","4","1","1") = "6"
    & skf21("7","4","1","5","1","4","2","1") = "6"
    & skf21("7","4","1","5","1","4","3","1") = "6"
    & skf21("7","4","1","5","1","4","4","1") = "6"
    & skf21("7","4","1","5","1","4","5","1") = "6"
    & skf21("7","4","1","5","1","4","6","1") = "6"
    & skf21("7","4","1","5","1","4","7","1") = "6"
    & skf21("7","4","1","5","1","5","1","1") = "6"
    & skf21("7","4","1","5","1","5","2","1") = "6"
    & skf21("7","4","1","5","1","5","3","1") = "6"
    & skf21("7","4","1","5","1","5","4","1") = "6"
    & skf21("7","4","1","5","1","5","5","1") = "6"
    & skf21("7","4","1","5","1","5","6","1") = "6"
    & skf21("7","4","1","5","1","5","7","1") = "6"
    & skf21("7","4","1","5","1","6","1","1") = "6"
    & skf21("7","4","1","5","1","6","2","1") = "6"
    & skf21("7","4","1","5","1","6","3","1") = "6"
    & skf21("7","4","1","5","1","6","4","1") = "6"
    & skf21("7","4","1","5","1","6","5","1") = "6"
    & skf21("7","4","1","5","1","6","6","1") = "6"
    & skf21("7","4","1","5","1","6","7","1") = "6"
    & skf21("7","4","1","5","1","7","1","1") = "6"
    & skf21("7","4","1","5","1","7","2","1") = "6"
    & skf21("7","4","1","5","1","7","3","1") = "6"
    & skf21("7","4","1","5","1","7","4","1") = "6"
    & skf21("7","4","1","5","1","7","5","1") = "6"
    & skf21("7","4","1","5","1","7","6","1") = "6"
    & skf21("7","4","1","5","1","7","7","1") = "6"
    & skf21("7","4","1","5","2","1","1","1") = "6"
    & skf21("7","4","1","5","2","1","2","1") = "6"
    & skf21("7","4","1","5","2","1","3","1") = "6"
    & skf21("7","4","1","5","2","1","4","1") = "6"
    & skf21("7","4","1","5","2","1","5","1") = "6"
    & skf21("7","4","1","5","2","1","6","1") = "6"
    & skf21("7","4","1","5","2","1","7","1") = "6"
    & skf21("7","4","1","5","2","2","1","1") = "6"
    & skf21("7","4","1","5","2","2","2","1") = "6"
    & skf21("7","4","1","5","2","2","3","1") = "6"
    & skf21("7","4","1","5","2","2","4","1") = "6"
    & skf21("7","4","1","5","2","2","5","1") = "6"
    & skf21("7","4","1","5","2","2","6","1") = "6"
    & skf21("7","4","1","5","2","2","7","1") = "6"
    & skf21("7","4","1","5","2","3","1","1") = "6"
    & skf21("7","4","1","5","2","3","2","1") = "6"
    & skf21("7","4","1","5","2","3","3","1") = "6"
    & skf21("7","4","1","5","2","3","4","1") = "6"
    & skf21("7","4","1","5","2","3","5","1") = "6"
    & skf21("7","4","1","5","2","3","6","1") = "6"
    & skf21("7","4","1","5","2","3","7","1") = "6"
    & skf21("7","4","1","5","2","4","1","1") = "6"
    & skf21("7","4","1","5","2","4","2","1") = "6"
    & skf21("7","4","1","5","2","4","3","1") = "6"
    & skf21("7","4","1","5","2","4","4","1") = "6"
    & skf21("7","4","1","5","2","4","5","1") = "6"
    & skf21("7","4","1","5","2","4","6","1") = "6"
    & skf21("7","4","1","5","2","4","7","1") = "6"
    & skf21("7","4","1","5","2","5","1","1") = "6"
    & skf21("7","4","1","5","2","5","2","1") = "6"
    & skf21("7","4","1","5","2","5","3","1") = "6"
    & skf21("7","4","1","5","2","5","4","1") = "6"
    & skf21("7","4","1","5","2","5","5","1") = "6"
    & skf21("7","4","1","5","2","5","6","1") = "6"
    & skf21("7","4","1","5","2","5","7","1") = "6"
    & skf21("7","4","1","5","2","6","1","1") = "6"
    & skf21("7","4","1","5","2","6","2","1") = "6"
    & skf21("7","4","1","5","2","6","3","1") = "6"
    & skf21("7","4","1","5","2","6","4","1") = "6"
    & skf21("7","4","1","5","2","6","5","1") = "6"
    & skf21("7","4","1","5","2","6","6","1") = "6"
    & skf21("7","4","1","5","2","6","7","1") = "6"
    & skf21("7","4","1","5","2","7","1","1") = "6"
    & skf21("7","4","1","5","2","7","2","1") = "6"
    & skf21("7","4","1","5","2","7","3","1") = "6"
    & skf21("7","4","1","5","2","7","4","1") = "6"
    & skf21("7","4","1","5","2","7","5","1") = "6"
    & skf21("7","4","1","5","2","7","6","1") = "6"
    & skf21("7","4","1","5","2","7","7","1") = "6"
    & skf21("7","4","1","5","3","1","1","1") = "6"
    & skf21("7","4","1","5","3","1","2","1") = "6"
    & skf21("7","4","1","5","3","1","3","1") = "6"
    & skf21("7","4","1","5","3","1","4","1") = "6"
    & skf21("7","4","1","5","3","1","5","1") = "6"
    & skf21("7","4","1","5","3","1","6","1") = "6"
    & skf21("7","4","1","5","3","1","7","1") = "6"
    & skf21("7","4","1","5","3","2","1","1") = "6"
    & skf21("7","4","1","5","3","2","2","1") = "6"
    & skf21("7","4","1","5","3","2","3","1") = "6"
    & skf21("7","4","1","5","3","2","4","1") = "6"
    & skf21("7","4","1","5","3","2","5","1") = "6"
    & skf21("7","4","1","5","3","2","6","1") = "6"
    & skf21("7","4","1","5","3","2","7","1") = "6"
    & skf21("7","4","1","5","3","3","1","1") = "6"
    & skf21("7","4","1","5","3","3","2","1") = "6"
    & skf21("7","4","1","5","3","3","3","1") = "6"
    & skf21("7","4","1","5","3","3","4","1") = "6"
    & skf21("7","4","1","5","3","3","5","1") = "6"
    & skf21("7","4","1","5","3","3","6","1") = "6"
    & skf21("7","4","1","5","3","3","7","1") = "6"
    & skf21("7","4","1","5","3","4","1","1") = "6"
    & skf21("7","4","1","5","3","4","2","1") = "6"
    & skf21("7","4","1","5","3","4","3","1") = "6"
    & skf21("7","4","1","5","3","4","4","1") = "6"
    & skf21("7","4","1","5","3","4","5","1") = "6"
    & skf21("7","4","1","5","3","4","6","1") = "6"
    & skf21("7","4","1","5","3","4","7","1") = "6"
    & skf21("7","4","1","5","3","5","1","1") = "6"
    & skf21("7","4","1","5","3","5","2","1") = "6"
    & skf21("7","4","1","5","3","5","3","1") = "6"
    & skf21("7","4","1","5","3","5","4","1") = "6"
    & skf21("7","4","1","5","3","5","5","1") = "6"
    & skf21("7","4","1","5","3","5","6","1") = "6"
    & skf21("7","4","1","5","3","5","7","1") = "6"
    & skf21("7","4","1","5","3","6","1","1") = "6"
    & skf21("7","4","1","5","3","6","2","1") = "6"
    & skf21("7","4","1","5","3","6","3","1") = "6"
    & skf21("7","4","1","5","3","6","4","1") = "6"
    & skf21("7","4","1","5","3","6","5","1") = "6"
    & skf21("7","4","1","5","3","6","6","1") = "6"
    & skf21("7","4","1","5","3","6","7","1") = "6"
    & skf21("7","4","1","5","3","7","1","1") = "6"
    & skf21("7","4","1","5","3","7","2","1") = "6"
    & skf21("7","4","1","5","3","7","3","1") = "6"
    & skf21("7","4","1","5","3","7","4","1") = "6"
    & skf21("7","4","1","5","3","7","5","1") = "6"
    & skf21("7","4","1","5","3","7","6","1") = "6"
    & skf21("7","4","1","5","3","7","7","1") = "6"
    & skf21("7","4","1","5","4","1","1","1") = "6"
    & skf21("7","4","1","5","4","1","2","1") = "6"
    & skf21("7","4","1","5","4","1","3","1") = "6"
    & skf21("7","4","1","5","4","1","4","1") = "6"
    & skf21("7","4","1","5","4","1","5","1") = "6"
    & skf21("7","4","1","5","4","1","6","1") = "6"
    & skf21("7","4","1","5","4","1","7","1") = "6"
    & skf21("7","4","1","5","4","2","1","1") = "6"
    & skf21("7","4","1","5","4","2","2","1") = "6"
    & skf21("7","4","1","5","4","2","3","1") = "6"
    & skf21("7","4","1","5","4","2","4","1") = "6"
    & skf21("7","4","1","5","4","2","5","1") = "6"
    & skf21("7","4","1","5","4","2","6","1") = "6"
    & skf21("7","4","1","5","4","2","7","1") = "6"
    & skf21("7","4","1","5","4","3","1","1") = "6"
    & skf21("7","4","1","5","4","3","2","1") = "6"
    & skf21("7","4","1","5","4","3","3","1") = "6"
    & skf21("7","4","1","5","4","3","4","1") = "6"
    & skf21("7","4","1","5","4","3","5","1") = "6"
    & skf21("7","4","1","5","4","3","6","1") = "6"
    & skf21("7","4","1","5","4","3","7","1") = "6"
    & skf21("7","4","1","5","4","4","1","1") = "6"
    & skf21("7","4","1","5","4","4","2","1") = "6"
    & skf21("7","4","1","5","4","4","3","1") = "6"
    & skf21("7","4","1","5","4","4","4","1") = "6"
    & skf21("7","4","1","5","4","4","5","1") = "6"
    & skf21("7","4","1","5","4","4","6","1") = "6"
    & skf21("7","4","1","5","4","4","7","1") = "6"
    & skf21("7","4","1","5","4","5","1","1") = "6"
    & skf21("7","4","1","5","4","5","2","1") = "6"
    & skf21("7","4","1","5","4","5","3","1") = "6"
    & skf21("7","4","1","5","4","5","4","1") = "6"
    & skf21("7","4","1","5","4","5","5","1") = "6"
    & skf21("7","4","1","5","4","5","6","1") = "6"
    & skf21("7","4","1","5","4","5","7","1") = "6"
    & skf21("7","4","1","5","4","6","1","1") = "6"
    & skf21("7","4","1","5","4","6","2","1") = "6"
    & skf21("7","4","1","5","4","6","3","1") = "6"
    & skf21("7","4","1","5","4","6","4","1") = "6"
    & skf21("7","4","1","5","4","6","5","1") = "6"
    & skf21("7","4","1","5","4","6","6","1") = "6"
    & skf21("7","4","1","5","4","6","7","1") = "6"
    & skf21("7","4","1","5","4","7","1","1") = "6"
    & skf21("7","4","1","5","4","7","2","1") = "6"
    & skf21("7","4","1","5","4","7","3","1") = "6"
    & skf21("7","4","1","5","4","7","4","1") = "6"
    & skf21("7","4","1","5","4","7","5","1") = "6"
    & skf21("7","4","1","5","4","7","6","1") = "6"
    & skf21("7","4","1","5","4","7","7","1") = "6"
    & skf21("7","4","1","5","5","1","1","1") = "6"
    & skf21("7","4","1","5","5","1","2","1") = "6"
    & skf21("7","4","1","5","5","1","3","1") = "6"
    & skf21("7","4","1","5","5","1","4","1") = "6"
    & skf21("7","4","1","5","5","1","5","1") = "6"
    & skf21("7","4","1","5","5","1","6","1") = "6"
    & skf21("7","4","1","5","5","1","7","1") = "6"
    & skf21("7","4","1","5","5","2","1","1") = "6"
    & skf21("7","4","1","5","5","2","2","1") = "6"
    & skf21("7","4","1","5","5","2","3","1") = "6"
    & skf21("7","4","1","5","5","2","4","1") = "6"
    & skf21("7","4","1","5","5","2","5","1") = "6"
    & skf21("7","4","1","5","5","2","6","1") = "6"
    & skf21("7","4","1","5","5","2","7","1") = "6"
    & skf21("7","4","1","5","5","3","1","1") = "6"
    & skf21("7","4","1","5","5","3","2","1") = "6"
    & skf21("7","4","1","5","5","3","3","1") = "6"
    & skf21("7","4","1","5","5","3","4","1") = "6"
    & skf21("7","4","1","5","5","3","5","1") = "6"
    & skf21("7","4","1","5","5","3","6","1") = "6"
    & skf21("7","4","1","5","5","3","7","1") = "6"
    & skf21("7","4","1","5","5","4","1","1") = "6"
    & skf21("7","4","1","5","5","4","2","1") = "6"
    & skf21("7","4","1","5","5","4","3","1") = "6"
    & skf21("7","4","1","5","5","4","4","1") = "6"
    & skf21("7","4","1","5","5","4","5","1") = "6"
    & skf21("7","4","1","5","5","4","6","1") = "6"
    & skf21("7","4","1","5","5","4","7","1") = "6"
    & skf21("7","4","1","5","5","5","1","1") = "6"
    & skf21("7","4","1","5","5","5","2","1") = "6"
    & skf21("7","4","1","5","5","5","3","1") = "6"
    & skf21("7","4","1","5","5","5","4","1") = "6"
    & skf21("7","4","1","5","5","5","5","1") = "6"
    & skf21("7","4","1","5","5","5","6","1") = "6"
    & skf21("7","4","1","5","5","5","7","1") = "6"
    & skf21("7","4","1","5","5","6","1","1") = "6"
    & skf21("7","4","1","5","5","6","2","1") = "6"
    & skf21("7","4","1","5","5","6","3","1") = "6"
    & skf21("7","4","1","5","5","6","4","1") = "6"
    & skf21("7","4","1","5","5","6","5","1") = "6"
    & skf21("7","4","1","5","5","6","6","1") = "6"
    & skf21("7","4","1","5","5","6","7","1") = "6"
    & skf21("7","4","1","5","5","7","1","1") = "6"
    & skf21("7","4","1","5","5","7","2","1") = "6"
    & skf21("7","4","1","5","5","7","3","1") = "6"
    & skf21("7","4","1","5","5","7","4","1") = "6"
    & skf21("7","4","1","5","5","7","5","1") = "6"
    & skf21("7","4","1","5","5","7","6","1") = "6"
    & skf21("7","4","1","5","5","7","7","1") = "6"
    & skf21("7","4","1","5","6","1","1","1") = "6"
    & skf21("7","4","1","5","6","1","2","1") = "6"
    & skf21("7","4","1","5","6","1","3","1") = "6"
    & skf21("7","4","1","5","6","1","4","1") = "6"
    & skf21("7","4","1","5","6","1","5","1") = "6"
    & skf21("7","4","1","5","6","1","6","1") = "6"
    & skf21("7","4","1","5","6","1","7","1") = "6"
    & skf21("7","4","1","5","6","2","1","1") = "6"
    & skf21("7","4","1","5","6","2","2","1") = "6"
    & skf21("7","4","1","5","6","2","3","1") = "6"
    & skf21("7","4","1","5","6","2","4","1") = "6"
    & skf21("7","4","1","5","6","2","5","1") = "6"
    & skf21("7","4","1","5","6","2","6","1") = "6"
    & skf21("7","4","1","5","6","2","7","1") = "6"
    & skf21("7","4","1","5","6","3","1","1") = "6"
    & skf21("7","4","1","5","6","3","2","1") = "6"
    & skf21("7","4","1","5","6","3","3","1") = "6"
    & skf21("7","4","1","5","6","3","4","1") = "6"
    & skf21("7","4","1","5","6","3","5","1") = "6"
    & skf21("7","4","1","5","6","3","6","1") = "6"
    & skf21("7","4","1","5","6","3","7","1") = "6"
    & skf21("7","4","1","5","6","4","1","1") = "6"
    & skf21("7","4","1","5","6","4","2","1") = "6"
    & skf21("7","4","1","5","6","4","3","1") = "6"
    & skf21("7","4","1","5","6","4","4","1") = "6"
    & skf21("7","4","1","5","6","4","5","1") = "6"
    & skf21("7","4","1","5","6","4","6","1") = "6"
    & skf21("7","4","1","5","6","4","7","1") = "6"
    & skf21("7","4","1","5","6","5","1","1") = "6"
    & skf21("7","4","1","5","6","5","2","1") = "6"
    & skf21("7","4","1","5","6","5","3","1") = "6"
    & skf21("7","4","1","5","6","5","4","1") = "6"
    & skf21("7","4","1","5","6","5","5","1") = "6"
    & skf21("7","4","1","5","6","5","6","1") = "6"
    & skf21("7","4","1","5","6","5","7","1") = "6"
    & skf21("7","4","1","5","6","6","1","1") = "6"
    & skf21("7","4","1","5","6","6","2","1") = "6"
    & skf21("7","4","1","5","6","6","3","1") = "6"
    & skf21("7","4","1","5","6","6","4","1") = "6"
    & skf21("7","4","1","5","6","6","5","1") = "6"
    & skf21("7","4","1","5","6","6","6","1") = "6"
    & skf21("7","4","1","5","6","6","7","1") = "6"
    & skf21("7","4","1","5","6","7","1","1") = "6"
    & skf21("7","4","1","5","6","7","2","1") = "6"
    & skf21("7","4","1","5","6","7","3","1") = "6"
    & skf21("7","4","1","5","6","7","4","1") = "6"
    & skf21("7","4","1","5","6","7","5","1") = "6"
    & skf21("7","4","1","5","6","7","6","1") = "6"
    & skf21("7","4","1","5","6","7","7","1") = "6"
    & skf21("7","4","1","5","7","1","1","1") = "6"
    & skf21("7","4","1","5","7","1","2","1") = "6"
    & skf21("7","4","1","5","7","1","3","1") = "6"
    & skf21("7","4","1","5","7","1","4","1") = "6"
    & skf21("7","4","1","5","7","1","5","1") = "6"
    & skf21("7","4","1","5","7","1","6","1") = "6"
    & skf21("7","4","1","5","7","1","7","1") = "6"
    & skf21("7","4","1","5","7","2","1","1") = "6"
    & skf21("7","4","1","5","7","2","2","1") = "6"
    & skf21("7","4","1","5","7","2","3","1") = "6"
    & skf21("7","4","1","5","7","2","4","1") = "6"
    & skf21("7","4","1","5","7","2","5","1") = "6"
    & skf21("7","4","1","5","7","2","6","1") = "6"
    & skf21("7","4","1","5","7","2","7","1") = "6"
    & skf21("7","4","1","5","7","3","1","1") = "6"
    & skf21("7","4","1","5","7","3","2","1") = "6"
    & skf21("7","4","1","5","7","3","3","1") = "6"
    & skf21("7","4","1","5","7","3","4","1") = "6"
    & skf21("7","4","1","5","7","3","5","1") = "6"
    & skf21("7","4","1","5","7","3","6","1") = "6"
    & skf21("7","4","1","5","7","3","7","1") = "6"
    & skf21("7","4","1","5","7","4","1","1") = "6"
    & skf21("7","4","1","5","7","4","2","1") = "6"
    & skf21("7","4","1","5","7","4","3","1") = "6"
    & skf21("7","4","1","5","7","4","4","1") = "6"
    & skf21("7","4","1","5","7","4","5","1") = "6"
    & skf21("7","4","1","5","7","4","6","1") = "6"
    & skf21("7","4","1","5","7","4","7","1") = "6"
    & skf21("7","4","1","5","7","5","1","1") = "6"
    & skf21("7","4","1","5","7","5","2","1") = "6"
    & skf21("7","4","1","5","7","5","3","1") = "6"
    & skf21("7","4","1","5","7","5","4","1") = "6"
    & skf21("7","4","1","5","7","5","5","1") = "6"
    & skf21("7","4","1","5","7","5","6","1") = "6"
    & skf21("7","4","1","5","7","5","7","1") = "6"
    & skf21("7","4","1","5","7","6","1","1") = "6"
    & skf21("7","4","1","5","7","6","2","1") = "6"
    & skf21("7","4","1","5","7","6","3","1") = "6"
    & skf21("7","4","1","5","7","6","4","1") = "6"
    & skf21("7","4","1","5","7","6","5","1") = "6"
    & skf21("7","4","1","5","7","6","6","1") = "6"
    & skf21("7","4","1","5","7","6","7","1") = "6"
    & skf21("7","4","1","5","7","7","1","1") = "6"
    & skf21("7","4","1","5","7","7","2","1") = "6"
    & skf21("7","4","1","5","7","7","3","1") = "6"
    & skf21("7","4","1","5","7","7","4","1") = "6"
    & skf21("7","4","1","5","7","7","5","1") = "6"
    & skf21("7","4","1","5","7","7","6","1") = "6"
    & skf21("7","4","1","5","7","7","7","1") = "6"
    & skf21("7","4","1","6","1","1","1","1") = "6"
    & skf21("7","4","1","6","1","1","2","1") = "6"
    & skf21("7","4","1","6","1","1","3","1") = "6"
    & skf21("7","4","1","6","1","1","4","1") = "6"
    & skf21("7","4","1","6","1","1","5","1") = "6"
    & skf21("7","4","1","6","1","1","6","1") = "6"
    & skf21("7","4","1","6","1","1","7","1") = "6"
    & skf21("7","4","1","6","1","2","1","1") = "6"
    & skf21("7","4","1","6","1","2","2","1") = "6"
    & skf21("7","4","1","6","1","2","3","1") = "6"
    & skf21("7","4","1","6","1","2","4","1") = "6"
    & skf21("7","4","1","6","1","2","5","1") = "6"
    & skf21("7","4","1","6","1","2","6","1") = "6"
    & skf21("7","4","1","6","1","2","7","1") = "6"
    & skf21("7","4","1","6","1","3","1","1") = "6"
    & skf21("7","4","1","6","1","3","2","1") = "6"
    & skf21("7","4","1","6","1","3","3","1") = "6"
    & skf21("7","4","1","6","1","3","4","1") = "6"
    & skf21("7","4","1","6","1","3","5","1") = "6"
    & skf21("7","4","1","6","1","3","6","1") = "6"
    & skf21("7","4","1","6","1","3","7","1") = "6"
    & skf21("7","4","1","6","1","4","1","1") = "6"
    & skf21("7","4","1","6","1","4","2","1") = "6"
    & skf21("7","4","1","6","1","4","3","1") = "6"
    & skf21("7","4","1","6","1","4","4","1") = "6"
    & skf21("7","4","1","6","1","4","5","1") = "6"
    & skf21("7","4","1","6","1","4","6","1") = "6"
    & skf21("7","4","1","6","1","4","7","1") = "6"
    & skf21("7","4","1","6","1","5","1","1") = "6"
    & skf21("7","4","1","6","1","5","2","1") = "6"
    & skf21("7","4","1","6","1","5","3","1") = "6"
    & skf21("7","4","1","6","1","5","4","1") = "6"
    & skf21("7","4","1","6","1","5","5","1") = "6"
    & skf21("7","4","1","6","1","5","6","1") = "6"
    & skf21("7","4","1","6","1","5","7","1") = "6"
    & skf21("7","4","1","6","1","6","1","1") = "6"
    & skf21("7","4","1","6","1","6","2","1") = "6"
    & skf21("7","4","1","6","1","6","3","1") = "6"
    & skf21("7","4","1","6","1","6","4","1") = "6"
    & skf21("7","4","1","6","1","6","5","1") = "6"
    & skf21("7","4","1","6","1","6","6","1") = "6"
    & skf21("7","4","1","6","1","6","7","1") = "6"
    & skf21("7","4","1","6","1","7","1","1") = "6"
    & skf21("7","4","1","6","1","7","2","1") = "6"
    & skf21("7","4","1","6","1","7","3","1") = "6"
    & skf21("7","4","1","6","1","7","4","1") = "6"
    & skf21("7","4","1","6","1","7","5","1") = "6"
    & skf21("7","4","1","6","1","7","6","1") = "6"
    & skf21("7","4","1","6","1","7","7","1") = "6"
    & skf21("7","4","1","6","2","1","1","1") = "6"
    & skf21("7","4","1","6","2","1","2","1") = "6"
    & skf21("7","4","1","6","2","1","3","1") = "6"
    & skf21("7","4","1","6","2","1","4","1") = "6"
    & skf21("7","4","1","6","2","1","5","1") = "6"
    & skf21("7","4","1","6","2","1","6","1") = "6"
    & skf21("7","4","1","6","2","1","7","1") = "6"
    & skf21("7","4","1","6","2","2","1","1") = "6"
    & skf21("7","4","1","6","2","2","2","1") = "6"
    & skf21("7","4","1","6","2","2","3","1") = "6"
    & skf21("7","4","1","6","2","2","4","1") = "6"
    & skf21("7","4","1","6","2","2","5","1") = "6"
    & skf21("7","4","1","6","2","2","6","1") = "6"
    & skf21("7","4","1","6","2","2","7","1") = "6"
    & skf21("7","4","1","6","2","3","1","1") = "6"
    & skf21("7","4","1","6","2","3","2","1") = "6"
    & skf21("7","4","1","6","2","3","3","1") = "6"
    & skf21("7","4","1","6","2","3","4","1") = "6"
    & skf21("7","4","1","6","2","3","5","1") = "6"
    & skf21("7","4","1","6","2","3","6","1") = "6"
    & skf21("7","4","1","6","2","3","7","1") = "6"
    & skf21("7","4","1","6","2","4","1","1") = "6"
    & skf21("7","4","1","6","2","4","2","1") = "6"
    & skf21("7","4","1","6","2","4","3","1") = "6"
    & skf21("7","4","1","6","2","4","4","1") = "6"
    & skf21("7","4","1","6","2","4","5","1") = "6"
    & skf21("7","4","1","6","2","4","6","1") = "6"
    & skf21("7","4","1","6","2","4","7","1") = "6"
    & skf21("7","4","1","6","2","5","1","1") = "6"
    & skf21("7","4","1","6","2","5","2","1") = "6"
    & skf21("7","4","1","6","2","5","3","1") = "6"
    & skf21("7","4","1","6","2","5","4","1") = "6"
    & skf21("7","4","1","6","2","5","5","1") = "6"
    & skf21("7","4","1","6","2","5","6","1") = "6"
    & skf21("7","4","1","6","2","5","7","1") = "6"
    & skf21("7","4","1","6","2","6","1","1") = "6"
    & skf21("7","4","1","6","2","6","2","1") = "6"
    & skf21("7","4","1","6","2","6","3","1") = "6"
    & skf21("7","4","1","6","2","6","4","1") = "6"
    & skf21("7","4","1","6","2","6","5","1") = "6"
    & skf21("7","4","1","6","2","6","6","1") = "6"
    & skf21("7","4","1","6","2","6","7","1") = "6"
    & skf21("7","4","1","6","2","7","1","1") = "6"
    & skf21("7","4","1","6","2","7","2","1") = "6"
    & skf21("7","4","1","6","2","7","3","1") = "6"
    & skf21("7","4","1","6","2","7","4","1") = "6"
    & skf21("7","4","1","6","2","7","5","1") = "6"
    & skf21("7","4","1","6","2","7","6","1") = "6"
    & skf21("7","4","1","6","2","7","7","1") = "6"
    & skf21("7","4","1","6","3","1","1","1") = "6"
    & skf21("7","4","1","6","3","1","2","1") = "6"
    & skf21("7","4","1","6","3","1","3","1") = "6"
    & skf21("7","4","1","6","3","1","4","1") = "6"
    & skf21("7","4","1","6","3","1","5","1") = "6"
    & skf21("7","4","1","6","3","1","6","1") = "6"
    & skf21("7","4","1","6","3","1","7","1") = "6"
    & skf21("7","4","1","6","3","2","1","1") = "6"
    & skf21("7","4","1","6","3","2","2","1") = "6"
    & skf21("7","4","1","6","3","2","3","1") = "6"
    & skf21("7","4","1","6","3","2","4","1") = "6"
    & skf21("7","4","1","6","3","2","5","1") = "6"
    & skf21("7","4","1","6","3","2","6","1") = "6"
    & skf21("7","4","1","6","3","2","7","1") = "6"
    & skf21("7","4","1","6","3","3","1","1") = "6"
    & skf21("7","4","1","6","3","3","2","1") = "6"
    & skf21("7","4","1","6","3","3","3","1") = "6"
    & skf21("7","4","1","6","3","3","4","1") = "6"
    & skf21("7","4","1","6","3","3","5","1") = "6"
    & skf21("7","4","1","6","3","3","6","1") = "6"
    & skf21("7","4","1","6","3","3","7","1") = "6"
    & skf21("7","4","1","6","3","4","1","1") = "6"
    & skf21("7","4","1","6","3","4","2","1") = "6"
    & skf21("7","4","1","6","3","4","3","1") = "6"
    & skf21("7","4","1","6","3","4","4","1") = "6"
    & skf21("7","4","1","6","3","4","5","1") = "6"
    & skf21("7","4","1","6","3","4","6","1") = "6"
    & skf21("7","4","1","6","3","4","7","1") = "6"
    & skf21("7","4","1","6","3","5","1","1") = "6"
    & skf21("7","4","1","6","3","5","2","1") = "6"
    & skf21("7","4","1","6","3","5","3","1") = "6"
    & skf21("7","4","1","6","3","5","4","1") = "6"
    & skf21("7","4","1","6","3","5","5","1") = "6"
    & skf21("7","4","1","6","3","5","6","1") = "6"
    & skf21("7","4","1","6","3","5","7","1") = "6"
    & skf21("7","4","1","6","3","6","1","1") = "6"
    & skf21("7","4","1","6","3","6","2","1") = "6"
    & skf21("7","4","1","6","3","6","3","1") = "6"
    & skf21("7","4","1","6","3","6","4","1") = "6"
    & skf21("7","4","1","6","3","6","5","1") = "6"
    & skf21("7","4","1","6","3","6","6","1") = "6"
    & skf21("7","4","1","6","3","6","7","1") = "6"
    & skf21("7","4","1","6","3","7","1","1") = "6"
    & skf21("7","4","1","6","3","7","2","1") = "6"
    & skf21("7","4","1","6","3","7","3","1") = "6"
    & skf21("7","4","1","6","3","7","4","1") = "6"
    & skf21("7","4","1","6","3","7","5","1") = "6"
    & skf21("7","4","1","6","3","7","6","1") = "6"
    & skf21("7","4","1","6","3","7","7","1") = "6"
    & skf21("7","4","1","6","4","1","1","1") = "6"
    & skf21("7","4","1","6","4","1","2","1") = "6"
    & skf21("7","4","1","6","4","1","3","1") = "6"
    & skf21("7","4","1","6","4","1","4","1") = "6"
    & skf21("7","4","1","6","4","1","5","1") = "6"
    & skf21("7","4","1","6","4","1","6","1") = "6"
    & skf21("7","4","1","6","4","1","7","1") = "6"
    & skf21("7","4","1","6","4","2","1","1") = "6"
    & skf21("7","4","1","6","4","2","2","1") = "6"
    & skf21("7","4","1","6","4","2","3","1") = "6"
    & skf21("7","4","1","6","4","2","4","1") = "6"
    & skf21("7","4","1","6","4","2","5","1") = "6"
    & skf21("7","4","1","6","4","2","6","1") = "6"
    & skf21("7","4","1","6","4","2","7","1") = "6"
    & skf21("7","4","1","6","4","3","1","1") = "6"
    & skf21("7","4","1","6","4","3","2","1") = "6"
    & skf21("7","4","1","6","4","3","3","1") = "6"
    & skf21("7","4","1","6","4","3","4","1") = "6"
    & skf21("7","4","1","6","4","3","5","1") = "6"
    & skf21("7","4","1","6","4","3","6","1") = "6"
    & skf21("7","4","1","6","4","3","7","1") = "6"
    & skf21("7","4","1","6","4","4","1","1") = "6"
    & skf21("7","4","1","6","4","4","2","1") = "6"
    & skf21("7","4","1","6","4","4","3","1") = "6"
    & skf21("7","4","1","6","4","4","4","1") = "6"
    & skf21("7","4","1","6","4","4","5","1") = "6"
    & skf21("7","4","1","6","4","4","6","1") = "6"
    & skf21("7","4","1","6","4","4","7","1") = "6"
    & skf21("7","4","1","6","4","5","1","1") = "6"
    & skf21("7","4","1","6","4","5","2","1") = "6"
    & skf21("7","4","1","6","4","5","3","1") = "6"
    & skf21("7","4","1","6","4","5","4","1") = "6"
    & skf21("7","4","1","6","4","5","5","1") = "6"
    & skf21("7","4","1","6","4","5","6","1") = "6"
    & skf21("7","4","1","6","4","5","7","1") = "6"
    & skf21("7","4","1","6","4","6","1","1") = "6"
    & skf21("7","4","1","6","4","6","2","1") = "6"
    & skf21("7","4","1","6","4","6","3","1") = "6"
    & skf21("7","4","1","6","4","6","4","1") = "6"
    & skf21("7","4","1","6","4","6","5","1") = "6"
    & skf21("7","4","1","6","4","6","6","1") = "6"
    & skf21("7","4","1","6","4","6","7","1") = "6"
    & skf21("7","4","1","6","4","7","1","1") = "6"
    & skf21("7","4","1","6","4","7","2","1") = "6"
    & skf21("7","4","1","6","4","7","3","1") = "6"
    & skf21("7","4","1","6","4","7","4","1") = "6"
    & skf21("7","4","1","6","4","7","5","1") = "6"
    & skf21("7","4","1","6","4","7","6","1") = "6"
    & skf21("7","4","1","6","4","7","7","1") = "6"
    & skf21("7","4","1","6","5","1","1","1") = "6"
    & skf21("7","4","1","6","5","1","2","1") = "6"
    & skf21("7","4","1","6","5","1","3","1") = "6"
    & skf21("7","4","1","6","5","1","4","1") = "6"
    & skf21("7","4","1","6","5","1","5","1") = "6"
    & skf21("7","4","1","6","5","1","6","1") = "6"
    & skf21("7","4","1","6","5","1","7","1") = "6"
    & skf21("7","4","1","6","5","2","1","1") = "6"
    & skf21("7","4","1","6","5","2","2","1") = "6"
    & skf21("7","4","1","6","5","2","3","1") = "6"
    & skf21("7","4","1","6","5","2","4","1") = "6"
    & skf21("7","4","1","6","5","2","5","1") = "6"
    & skf21("7","4","1","6","5","2","6","1") = "6"
    & skf21("7","4","1","6","5","2","7","1") = "6"
    & skf21("7","4","1","6","5","3","1","1") = "6"
    & skf21("7","4","1","6","5","3","2","1") = "6"
    & skf21("7","4","1","6","5","3","3","1") = "6"
    & skf21("7","4","1","6","5","3","4","1") = "6"
    & skf21("7","4","1","6","5","3","5","1") = "6"
    & skf21("7","4","1","6","5","3","6","1") = "6"
    & skf21("7","4","1","6","5","3","7","1") = "6"
    & skf21("7","4","1","6","5","4","1","1") = "6"
    & skf21("7","4","1","6","5","4","2","1") = "6"
    & skf21("7","4","1","6","5","4","3","1") = "6"
    & skf21("7","4","1","6","5","4","4","1") = "6"
    & skf21("7","4","1","6","5","4","5","1") = "6"
    & skf21("7","4","1","6","5","4","6","1") = "6"
    & skf21("7","4","1","6","5","4","7","1") = "6"
    & skf21("7","4","1","6","5","5","1","1") = "6"
    & skf21("7","4","1","6","5","5","2","1") = "6"
    & skf21("7","4","1","6","5","5","3","1") = "6"
    & skf21("7","4","1","6","5","5","4","1") = "6"
    & skf21("7","4","1","6","5","5","5","1") = "6"
    & skf21("7","4","1","6","5","5","6","1") = "6"
    & skf21("7","4","1","6","5","5","7","1") = "6"
    & skf21("7","4","1","6","5","6","1","1") = "6"
    & skf21("7","4","1","6","5","6","2","1") = "6"
    & skf21("7","4","1","6","5","6","3","1") = "6"
    & skf21("7","4","1","6","5","6","4","1") = "6"
    & skf21("7","4","1","6","5","6","5","1") = "6"
    & skf21("7","4","1","6","5","6","6","1") = "6"
    & skf21("7","4","1","6","5","6","7","1") = "6"
    & skf21("7","4","1","6","5","7","1","1") = "6"
    & skf21("7","4","1","6","5","7","2","1") = "6"
    & skf21("7","4","1","6","5","7","3","1") = "6"
    & skf21("7","4","1","6","5","7","4","1") = "6"
    & skf21("7","4","1","6","5","7","5","1") = "6"
    & skf21("7","4","1","6","5","7","6","1") = "6"
    & skf21("7","4","1","6","5","7","7","1") = "6"
    & skf21("7","4","1","6","6","1","1","1") = "6"
    & skf21("7","4","1","6","6","1","2","1") = "6"
    & skf21("7","4","1","6","6","1","3","1") = "6"
    & skf21("7","4","1","6","6","1","4","1") = "6"
    & skf21("7","4","1","6","6","1","5","1") = "6"
    & skf21("7","4","1","6","6","1","6","1") = "6"
    & skf21("7","4","1","6","6","1","7","1") = "6"
    & skf21("7","4","1","6","6","2","1","1") = "6"
    & skf21("7","4","1","6","6","2","2","1") = "6"
    & skf21("7","4","1","6","6","2","3","1") = "6"
    & skf21("7","4","1","6","6","2","4","1") = "6"
    & skf21("7","4","1","6","6","2","5","1") = "6"
    & skf21("7","4","1","6","6","2","6","1") = "6"
    & skf21("7","4","1","6","6","2","7","1") = "6"
    & skf21("7","4","1","6","6","3","1","1") = "6"
    & skf21("7","4","1","6","6","3","2","1") = "6"
    & skf21("7","4","1","6","6","3","3","1") = "6"
    & skf21("7","4","1","6","6","3","4","1") = "6"
    & skf21("7","4","1","6","6","3","5","1") = "6"
    & skf21("7","4","1","6","6","3","6","1") = "6"
    & skf21("7","4","1","6","6","3","7","1") = "6"
    & skf21("7","4","1","6","6","4","1","1") = "6"
    & skf21("7","4","1","6","6","4","2","1") = "6"
    & skf21("7","4","1","6","6","4","3","1") = "6"
    & skf21("7","4","1","6","6","4","4","1") = "6"
    & skf21("7","4","1","6","6","4","5","1") = "6"
    & skf21("7","4","1","6","6","4","6","1") = "6"
    & skf21("7","4","1","6","6","4","7","1") = "6"
    & skf21("7","4","1","6","6","5","1","1") = "6"
    & skf21("7","4","1","6","6","5","2","1") = "6"
    & skf21("7","4","1","6","6","5","3","1") = "6"
    & skf21("7","4","1","6","6","5","4","1") = "6"
    & skf21("7","4","1","6","6","5","5","1") = "6"
    & skf21("7","4","1","6","6","5","6","1") = "6"
    & skf21("7","4","1","6","6","5","7","1") = "6"
    & skf21("7","4","1","6","6","6","1","1") = "6"
    & skf21("7","4","1","6","6","6","2","1") = "6"
    & skf21("7","4","1","6","6","6","3","1") = "6"
    & skf21("7","4","1","6","6","6","4","1") = "6"
    & skf21("7","4","1","6","6","6","5","1") = "6"
    & skf21("7","4","1","6","6","6","6","1") = "6"
    & skf21("7","4","1","6","6","6","7","1") = "6"
    & skf21("7","4","1","6","6","7","1","1") = "6"
    & skf21("7","4","1","6","6","7","2","1") = "6"
    & skf21("7","4","1","6","6","7","3","1") = "6"
    & skf21("7","4","1","6","6","7","4","1") = "6"
    & skf21("7","4","1","6","6","7","5","1") = "6"
    & skf21("7","4","1","6","6","7","6","1") = "6"
    & skf21("7","4","1","6","6","7","7","1") = "6"
    & skf21("7","4","1","6","7","1","1","1") = "6"
    & skf21("7","4","1","6","7","1","2","1") = "6"
    & skf21("7","4","1","6","7","1","3","1") = "6"
    & skf21("7","4","1","6","7","1","4","1") = "6"
    & skf21("7","4","1","6","7","1","5","1") = "6"
    & skf21("7","4","1","6","7","1","6","1") = "6"
    & skf21("7","4","1","6","7","1","7","1") = "6"
    & skf21("7","4","1","6","7","2","1","1") = "6"
    & skf21("7","4","1","6","7","2","2","1") = "6"
    & skf21("7","4","1","6","7","2","3","1") = "6"
    & skf21("7","4","1","6","7","2","4","1") = "6"
    & skf21("7","4","1","6","7","2","5","1") = "6"
    & skf21("7","4","1","6","7","2","6","1") = "6"
    & skf21("7","4","1","6","7","2","7","1") = "6"
    & skf21("7","4","1","6","7","3","1","1") = "6"
    & skf21("7","4","1","6","7","3","2","1") = "6"
    & skf21("7","4","1","6","7","3","3","1") = "6"
    & skf21("7","4","1","6","7","3","4","1") = "6"
    & skf21("7","4","1","6","7","3","5","1") = "6"
    & skf21("7","4","1","6","7","3","6","1") = "6"
    & skf21("7","4","1","6","7","3","7","1") = "6"
    & skf21("7","4","1","6","7","4","1","1") = "6"
    & skf21("7","4","1","6","7","4","2","1") = "6"
    & skf21("7","4","1","6","7","4","3","1") = "6"
    & skf21("7","4","1","6","7","4","4","1") = "6"
    & skf21("7","4","1","6","7","4","5","1") = "6"
    & skf21("7","4","1","6","7","4","6","1") = "6"
    & skf21("7","4","1","6","7","4","7","1") = "6"
    & skf21("7","4","1","6","7","5","1","1") = "6"
    & skf21("7","4","1","6","7","5","2","1") = "6"
    & skf21("7","4","1","6","7","5","3","1") = "6"
    & skf21("7","4","1","6","7","5","4","1") = "6"
    & skf21("7","4","1","6","7","5","5","1") = "6"
    & skf21("7","4","1","6","7","5","6","1") = "6"
    & skf21("7","4","1","6","7","5","7","1") = "6"
    & skf21("7","4","1","6","7","6","1","1") = "6"
    & skf21("7","4","1","6","7","6","2","1") = "6"
    & skf21("7","4","1","6","7","6","3","1") = "6"
    & skf21("7","4","1","6","7","6","4","1") = "6"
    & skf21("7","4","1","6","7","6","5","1") = "6"
    & skf21("7","4","1","6","7","6","6","1") = "6"
    & skf21("7","4","1","6","7","6","7","1") = "6"
    & skf21("7","4","1","6","7","7","1","1") = "6"
    & skf21("7","4","1","6","7","7","2","1") = "6"
    & skf21("7","4","1","6","7","7","3","1") = "6"
    & skf21("7","4","1","6","7","7","4","1") = "6"
    & skf21("7","4","1","6","7","7","5","1") = "6"
    & skf21("7","4","1","6","7","7","6","1") = "6"
    & skf21("7","4","1","6","7","7","7","1") = "6"
    & skf21("7","4","1","7","1","1","1","1") = "6"
    & skf21("7","4","1","7","1","1","2","1") = "6"
    & skf21("7","4","1","7","1","1","3","1") = "6"
    & skf21("7","4","1","7","1","1","4","1") = "6"
    & skf21("7","4","1","7","1","1","5","1") = "6"
    & skf21("7","4","1","7","1","1","6","1") = "6"
    & skf21("7","4","1","7","1","1","7","1") = "6"
    & skf21("7","4","1","7","1","2","1","1") = "6"
    & skf21("7","4","1","7","1","2","2","1") = "6"
    & skf21("7","4","1","7","1","2","3","1") = "6"
    & skf21("7","4","1","7","1","2","4","1") = "6"
    & skf21("7","4","1","7","1","2","5","1") = "6"
    & skf21("7","4","1","7","1","2","6","1") = "6"
    & skf21("7","4","1","7","1","2","7","1") = "6"
    & skf21("7","4","1","7","1","3","1","1") = "6"
    & skf21("7","4","1","7","1","3","2","1") = "6"
    & skf21("7","4","1","7","1","3","3","1") = "6"
    & skf21("7","4","1","7","1","3","4","1") = "6"
    & skf21("7","4","1","7","1","3","5","1") = "6"
    & skf21("7","4","1","7","1","3","6","1") = "6"
    & skf21("7","4","1","7","1","3","7","1") = "6"
    & skf21("7","4","1","7","1","4","1","1") = "6"
    & skf21("7","4","1","7","1","4","2","1") = "6"
    & skf21("7","4","1","7","1","4","3","1") = "6"
    & skf21("7","4","1","7","1","4","4","1") = "6"
    & skf21("7","4","1","7","1","4","5","1") = "6"
    & skf21("7","4","1","7","1","4","6","1") = "6"
    & skf21("7","4","1","7","1","4","7","1") = "6"
    & skf21("7","4","1","7","1","5","1","1") = "6"
    & skf21("7","4","1","7","1","5","2","1") = "6"
    & skf21("7","4","1","7","1","5","3","1") = "6"
    & skf21("7","4","1","7","1","5","4","1") = "6"
    & skf21("7","4","1","7","1","5","5","1") = "6"
    & skf21("7","4","1","7","1","5","6","1") = "6"
    & skf21("7","4","1","7","1","5","7","1") = "6"
    & skf21("7","4","1","7","1","6","1","1") = "6"
    & skf21("7","4","1","7","1","6","2","1") = "6"
    & skf21("7","4","1","7","1","6","3","1") = "6"
    & skf21("7","4","1","7","1","6","4","1") = "6"
    & skf21("7","4","1","7","1","6","5","1") = "6"
    & skf21("7","4","1","7","1","6","6","1") = "6"
    & skf21("7","4","1","7","1","6","7","1") = "6"
    & skf21("7","4","1","7","1","7","1","1") = "6"
    & skf21("7","4","1","7","1","7","2","1") = "6"
    & skf21("7","4","1","7","1","7","3","1") = "6"
    & skf21("7","4","1","7","1","7","4","1") = "6"
    & skf21("7","4","1","7","1","7","5","1") = "6"
    & skf21("7","4","1","7","1","7","6","1") = "6"
    & skf21("7","4","1","7","1","7","7","1") = "6"
    & skf21("7","4","1","7","2","1","1","1") = "6"
    & skf21("7","4","1","7","2","1","2","1") = "6"
    & skf21("7","4","1","7","2","1","3","1") = "6"
    & skf21("7","4","1","7","2","1","4","1") = "6"
    & skf21("7","4","1","7","2","1","5","1") = "6"
    & skf21("7","4","1","7","2","1","6","1") = "6"
    & skf21("7","4","1","7","2","1","7","1") = "6"
    & skf21("7","4","1","7","2","2","1","1") = "6"
    & skf21("7","4","1","7","2","2","2","1") = "6"
    & skf21("7","4","1","7","2","2","3","1") = "6"
    & skf21("7","4","1","7","2","2","4","1") = "6"
    & skf21("7","4","1","7","2","2","5","1") = "6"
    & skf21("7","4","1","7","2","2","6","1") = "6"
    & skf21("7","4","1","7","2","2","7","1") = "6"
    & skf21("7","4","1","7","2","3","1","1") = "6"
    & skf21("7","4","1","7","2","3","2","1") = "6"
    & skf21("7","4","1","7","2","3","3","1") = "6"
    & skf21("7","4","1","7","2","3","4","1") = "6"
    & skf21("7","4","1","7","2","3","5","1") = "6"
    & skf21("7","4","1","7","2","3","6","1") = "6"
    & skf21("7","4","1","7","2","3","7","1") = "6"
    & skf21("7","4","1","7","2","4","1","1") = "6"
    & skf21("7","4","1","7","2","4","2","1") = "6"
    & skf21("7","4","1","7","2","4","3","1") = "6"
    & skf21("7","4","1","7","2","4","4","1") = "6"
    & skf21("7","4","1","7","2","4","5","1") = "6"
    & skf21("7","4","1","7","2","4","6","1") = "6"
    & skf21("7","4","1","7","2","4","7","1") = "6"
    & skf21("7","4","1","7","2","5","1","1") = "6"
    & skf21("7","4","1","7","2","5","2","1") = "6"
    & skf21("7","4","1","7","2","5","3","1") = "6"
    & skf21("7","4","1","7","2","5","4","1") = "6"
    & skf21("7","4","1","7","2","5","5","1") = "6"
    & skf21("7","4","1","7","2","5","6","1") = "6"
    & skf21("7","4","1","7","2","5","7","1") = "6"
    & skf21("7","4","1","7","2","6","1","1") = "6"
    & skf21("7","4","1","7","2","6","2","1") = "6"
    & skf21("7","4","1","7","2","6","3","1") = "6"
    & skf21("7","4","1","7","2","6","4","1") = "6"
    & skf21("7","4","1","7","2","6","5","1") = "6"
    & skf21("7","4","1","7","2","6","6","1") = "6"
    & skf21("7","4","1","7","2","6","7","1") = "6"
    & skf21("7","4","1","7","2","7","1","1") = "6"
    & skf21("7","4","1","7","2","7","2","1") = "6"
    & skf21("7","4","1","7","2","7","3","1") = "6"
    & skf21("7","4","1","7","2","7","4","1") = "6"
    & skf21("7","4","1","7","2","7","5","1") = "6"
    & skf21("7","4","1","7","2","7","6","1") = "6"
    & skf21("7","4","1","7","2","7","7","1") = "6"
    & skf21("7","4","1","7","3","1","1","1") = "6"
    & skf21("7","4","1","7","3","1","2","1") = "6"
    & skf21("7","4","1","7","3","1","3","1") = "6"
    & skf21("7","4","1","7","3","1","4","1") = "6"
    & skf21("7","4","1","7","3","1","5","1") = "6"
    & skf21("7","4","1","7","3","1","6","1") = "6"
    & skf21("7","4","1","7","3","1","7","1") = "6"
    & skf21("7","4","1","7","3","2","1","1") = "6"
    & skf21("7","4","1","7","3","2","2","1") = "6"
    & skf21("7","4","1","7","3","2","3","1") = "6"
    & skf21("7","4","1","7","3","2","4","1") = "6"
    & skf21("7","4","1","7","3","2","5","1") = "6"
    & skf21("7","4","1","7","3","2","6","1") = "6"
    & skf21("7","4","1","7","3","2","7","1") = "6"
    & skf21("7","4","1","7","3","3","1","1") = "6"
    & skf21("7","4","1","7","3","3","2","1") = "6"
    & skf21("7","4","1","7","3","3","3","1") = "6"
    & skf21("7","4","1","7","3","3","4","1") = "6"
    & skf21("7","4","1","7","3","3","5","1") = "6"
    & skf21("7","4","1","7","3","3","6","1") = "6"
    & skf21("7","4","1","7","3","3","7","1") = "6"
    & skf21("7","4","1","7","3","4","1","1") = "6"
    & skf21("7","4","1","7","3","4","2","1") = "6"
    & skf21("7","4","1","7","3","4","3","1") = "6"
    & skf21("7","4","1","7","3","4","4","1") = "6"
    & skf21("7","4","1","7","3","4","5","1") = "6"
    & skf21("7","4","1","7","3","4","6","1") = "6"
    & skf21("7","4","1","7","3","4","7","1") = "6"
    & skf21("7","4","1","7","3","5","1","1") = "6"
    & skf21("7","4","1","7","3","5","2","1") = "6"
    & skf21("7","4","1","7","3","5","3","1") = "6"
    & skf21("7","4","1","7","3","5","4","1") = "6"
    & skf21("7","4","1","7","3","5","5","1") = "6"
    & skf21("7","4","1","7","3","5","6","1") = "6"
    & skf21("7","4","1","7","3","5","7","1") = "6"
    & skf21("7","4","1","7","3","6","1","1") = "6"
    & skf21("7","4","1","7","3","6","2","1") = "6"
    & skf21("7","4","1","7","3","6","3","1") = "6"
    & skf21("7","4","1","7","3","6","4","1") = "6"
    & skf21("7","4","1","7","3","6","5","1") = "6"
    & skf21("7","4","1","7","3","6","6","1") = "6"
    & skf21("7","4","1","7","3","6","7","1") = "6"
    & skf21("7","4","1","7","3","7","1","1") = "6"
    & skf21("7","4","1","7","3","7","2","1") = "6"
    & skf21("7","4","1","7","3","7","3","1") = "6"
    & skf21("7","4","1","7","3","7","4","1") = "6"
    & skf21("7","4","1","7","3","7","5","1") = "6"
    & skf21("7","4","1","7","3","7","6","1") = "6"
    & skf21("7","4","1","7","3","7","7","1") = "6"
    & skf21("7","4","1","7","4","1","1","1") = "6"
    & skf21("7","4","1","7","4","1","2","1") = "6"
    & skf21("7","4","1","7","4","1","3","1") = "6"
    & skf21("7","4","1","7","4","1","4","1") = "6"
    & skf21("7","4","1","7","4","1","5","1") = "6"
    & skf21("7","4","1","7","4","1","6","1") = "6"
    & skf21("7","4","1","7","4","1","7","1") = "6"
    & skf21("7","4","1","7","4","2","1","1") = "6"
    & skf21("7","4","1","7","4","2","2","1") = "6"
    & skf21("7","4","1","7","4","2","3","1") = "6"
    & skf21("7","4","1","7","4","2","4","1") = "6"
    & skf21("7","4","1","7","4","2","5","1") = "6"
    & skf21("7","4","1","7","4","2","6","1") = "6"
    & skf21("7","4","1","7","4","2","7","1") = "6"
    & skf21("7","4","1","7","4","3","1","1") = "6"
    & skf21("7","4","1","7","4","3","2","1") = "6"
    & skf21("7","4","1","7","4","3","3","1") = "6"
    & skf21("7","4","1","7","4","3","4","1") = "6"
    & skf21("7","4","1","7","4","3","5","1") = "6"
    & skf21("7","4","1","7","4","3","6","1") = "6"
    & skf21("7","4","1","7","4","3","7","1") = "6"
    & skf21("7","4","1","7","4","4","1","1") = "6"
    & skf21("7","4","1","7","4","4","2","1") = "6"
    & skf21("7","4","1","7","4","4","3","1") = "6"
    & skf21("7","4","1","7","4","4","4","1") = "6"
    & skf21("7","4","1","7","4","4","5","1") = "6"
    & skf21("7","4","1","7","4","4","6","1") = "6"
    & skf21("7","4","1","7","4","4","7","1") = "6"
    & skf21("7","4","1","7","4","5","1","1") = "6"
    & skf21("7","4","1","7","4","5","2","1") = "6"
    & skf21("7","4","1","7","4","5","3","1") = "6"
    & skf21("7","4","1","7","4","5","4","1") = "6"
    & skf21("7","4","1","7","4","5","5","1") = "6"
    & skf21("7","4","1","7","4","5","6","1") = "6"
    & skf21("7","4","1","7","4","5","7","1") = "6"
    & skf21("7","4","1","7","4","6","1","1") = "6"
    & skf21("7","4","1","7","4","6","2","1") = "6"
    & skf21("7","4","1","7","4","6","3","1") = "6"
    & skf21("7","4","1","7","4","6","4","1") = "6"
    & skf21("7","4","1","7","4","6","5","1") = "6"
    & skf21("7","4","1","7","4","6","6","1") = "6"
    & skf21("7","4","1","7","4","6","7","1") = "6"
    & skf21("7","4","1","7","4","7","1","1") = "6"
    & skf21("7","4","1","7","4","7","2","1") = "6"
    & skf21("7","4","1","7","4","7","3","1") = "6"
    & skf21("7","4","1","7","4","7","4","1") = "6"
    & skf21("7","4","1","7","4","7","5","1") = "6"
    & skf21("7","4","1","7","4","7","6","1") = "6"
    & skf21("7","4","1","7","4","7","7","1") = "6"
    & skf21("7","4","1","7","5","1","1","1") = "6"
    & skf21("7","4","1","7","5","1","2","1") = "6"
    & skf21("7","4","1","7","5","1","3","1") = "6"
    & skf21("7","4","1","7","5","1","4","1") = "6"
    & skf21("7","4","1","7","5","1","5","1") = "6"
    & skf21("7","4","1","7","5","1","6","1") = "6"
    & skf21("7","4","1","7","5","1","7","1") = "6"
    & skf21("7","4","1","7","5","2","1","1") = "6"
    & skf21("7","4","1","7","5","2","2","1") = "6"
    & skf21("7","4","1","7","5","2","3","1") = "6"
    & skf21("7","4","1","7","5","2","4","1") = "6"
    & skf21("7","4","1","7","5","2","5","1") = "6"
    & skf21("7","4","1","7","5","2","6","1") = "6"
    & skf21("7","4","1","7","5","2","7","1") = "6"
    & skf21("7","4","1","7","5","3","1","1") = "6"
    & skf21("7","4","1","7","5","3","2","1") = "6"
    & skf21("7","4","1","7","5","3","3","1") = "6"
    & skf21("7","4","1","7","5","3","4","1") = "6"
    & skf21("7","4","1","7","5","3","5","1") = "6"
    & skf21("7","4","1","7","5","3","6","1") = "6"
    & skf21("7","4","1","7","5","3","7","1") = "6"
    & skf21("7","4","1","7","5","4","1","1") = "6"
    & skf21("7","4","1","7","5","4","2","1") = "6"
    & skf21("7","4","1","7","5","4","3","1") = "6"
    & skf21("7","4","1","7","5","4","4","1") = "6"
    & skf21("7","4","1","7","5","4","5","1") = "6"
    & skf21("7","4","1","7","5","4","6","1") = "6"
    & skf21("7","4","1","7","5","4","7","1") = "6"
    & skf21("7","4","1","7","5","5","1","1") = "6"
    & skf21("7","4","1","7","5","5","2","1") = "6"
    & skf21("7","4","1","7","5","5","3","1") = "6"
    & skf21("7","4","1","7","5","5","4","1") = "6"
    & skf21("7","4","1","7","5","5","5","1") = "6"
    & skf21("7","4","1","7","5","5","6","1") = "6"
    & skf21("7","4","1","7","5","5","7","1") = "6"
    & skf21("7","4","1","7","5","6","1","1") = "6"
    & skf21("7","4","1","7","5","6","2","1") = "6"
    & skf21("7","4","1","7","5","6","3","1") = "6"
    & skf21("7","4","1","7","5","6","4","1") = "6"
    & skf21("7","4","1","7","5","6","5","1") = "6"
    & skf21("7","4","1","7","5","6","6","1") = "6"
    & skf21("7","4","1","7","5","6","7","1") = "6"
    & skf21("7","4","1","7","5","7","1","1") = "6"
    & skf21("7","4","1","7","5","7","2","1") = "6"
    & skf21("7","4","1","7","5","7","3","1") = "6"
    & skf21("7","4","1","7","5","7","4","1") = "6"
    & skf21("7","4","1","7","5","7","5","1") = "6"
    & skf21("7","4","1","7","5","7","6","1") = "6"
    & skf21("7","4","1","7","5","7","7","1") = "6"
    & skf21("7","4","1","7","6","1","1","1") = "6"
    & skf21("7","4","1","7","6","1","2","1") = "6"
    & skf21("7","4","1","7","6","1","3","1") = "6"
    & skf21("7","4","1","7","6","1","4","1") = "6"
    & skf21("7","4","1","7","6","1","5","1") = "6"
    & skf21("7","4","1","7","6","1","6","1") = "6"
    & skf21("7","4","1","7","6","1","7","1") = "6"
    & skf21("7","4","1","7","6","2","1","1") = "6"
    & skf21("7","4","1","7","6","2","2","1") = "6"
    & skf21("7","4","1","7","6","2","3","1") = "6"
    & skf21("7","4","1","7","6","2","4","1") = "6"
    & skf21("7","4","1","7","6","2","5","1") = "6"
    & skf21("7","4","1","7","6","2","6","1") = "6"
    & skf21("7","4","1","7","6","2","7","1") = "6"
    & skf21("7","4","1","7","6","3","1","1") = "6"
    & skf21("7","4","1","7","6","3","2","1") = "6"
    & skf21("7","4","1","7","6","3","3","1") = "6"
    & skf21("7","4","1","7","6","3","4","1") = "6"
    & skf21("7","4","1","7","6","3","5","1") = "6"
    & skf21("7","4","1","7","6","3","6","1") = "6"
    & skf21("7","4","1","7","6","3","7","1") = "6"
    & skf21("7","4","1","7","6","4","1","1") = "6"
    & skf21("7","4","1","7","6","4","2","1") = "6"
    & skf21("7","4","1","7","6","4","3","1") = "6"
    & skf21("7","4","1","7","6","4","4","1") = "6"
    & skf21("7","4","1","7","6","4","5","1") = "6"
    & skf21("7","4","1","7","6","4","6","1") = "6"
    & skf21("7","4","1","7","6","4","7","1") = "6"
    & skf21("7","4","1","7","6","5","1","1") = "6"
    & skf21("7","4","1","7","6","5","2","1") = "6"
    & skf21("7","4","1","7","6","5","3","1") = "6"
    & skf21("7","4","1","7","6","5","4","1") = "6"
    & skf21("7","4","1","7","6","5","5","1") = "6"
    & skf21("7","4","1","7","6","5","6","1") = "6"
    & skf21("7","4","1","7","6","5","7","1") = "6"
    & skf21("7","4","1","7","6","6","1","1") = "6"
    & skf21("7","4","1","7","6","6","2","1") = "6"
    & skf21("7","4","1","7","6","6","3","1") = "6"
    & skf21("7","4","1","7","6","6","4","1") = "6"
    & skf21("7","4","1","7","6","6","5","1") = "6"
    & skf21("7","4","1","7","6","6","6","1") = "6"
    & skf21("7","4","1","7","6","6","7","1") = "6"
    & skf21("7","4","1","7","6","7","1","1") = "6"
    & skf21("7","4","1","7","6","7","2","1") = "6"
    & skf21("7","4","1","7","6","7","3","1") = "6"
    & skf21("7","4","1","7","6","7","4","1") = "6"
    & skf21("7","4","1","7","6","7","5","1") = "6"
    & skf21("7","4","1","7","6","7","6","1") = "6"
    & skf21("7","4","1","7","6","7","7","1") = "6"
    & skf21("7","4","1","7","7","1","1","1") = "6"
    & skf21("7","4","1","7","7","1","2","1") = "6"
    & skf21("7","4","1","7","7","1","3","1") = "6"
    & skf21("7","4","1","7","7","1","4","1") = "6"
    & skf21("7","4","1","7","7","1","5","1") = "6"
    & skf21("7","4","1","7","7","1","6","1") = "6"
    & skf21("7","4","1","7","7","1","7","1") = "6"
    & skf21("7","4","1","7","7","2","1","1") = "6"
    & skf21("7","4","1","7","7","2","2","1") = "6"
    & skf21("7","4","1","7","7","2","3","1") = "6"
    & skf21("7","4","1","7","7","2","4","1") = "6"
    & skf21("7","4","1","7","7","2","5","1") = "6"
    & skf21("7","4","1","7","7","2","6","1") = "6"
    & skf21("7","4","1","7","7","2","7","1") = "6"
    & skf21("7","4","1","7","7","3","1","1") = "6"
    & skf21("7","4","1","7","7","3","2","1") = "6"
    & skf21("7","4","1","7","7","3","3","1") = "6"
    & skf21("7","4","1","7","7","3","4","1") = "6"
    & skf21("7","4","1","7","7","3","5","1") = "6"
    & skf21("7","4","1","7","7","3","6","1") = "6"
    & skf21("7","4","1","7","7","3","7","1") = "6"
    & skf21("7","4","1","7","7","4","1","1") = "6"
    & skf21("7","4","1","7","7","4","2","1") = "6"
    & skf21("7","4","1","7","7","4","3","1") = "6"
    & skf21("7","4","1","7","7","4","4","1") = "6"
    & skf21("7","4","1","7","7","4","5","1") = "6"
    & skf21("7","4","1","7","7","4","6","1") = "6"
    & skf21("7","4","1","7","7","4","7","1") = "6"
    & skf21("7","4","1","7","7","5","1","1") = "6"
    & skf21("7","4","1","7","7","5","2","1") = "6"
    & skf21("7","4","1","7","7","5","3","1") = "6"
    & skf21("7","4","1","7","7","5","4","1") = "6"
    & skf21("7","4","1","7","7","5","5","1") = "6"
    & skf21("7","4","1","7","7","5","6","1") = "6"
    & skf21("7","4","1","7","7","5","7","1") = "6"
    & skf21("7","4","1","7","7","6","1","1") = "6"
    & skf21("7","4","1","7","7","6","2","1") = "6"
    & skf21("7","4","1","7","7","6","3","1") = "6"
    & skf21("7","4","1","7","7","6","4","1") = "6"
    & skf21("7","4","1","7","7","6","5","1") = "6"
    & skf21("7","4","1","7","7","6","6","1") = "6"
    & skf21("7","4","1","7","7","6","7","1") = "6"
    & skf21("7","4","1","7","7","7","1","1") = "6"
    & skf21("7","4","1","7","7","7","2","1") = "6"
    & skf21("7","4","1","7","7","7","3","1") = "6"
    & skf21("7","4","1","7","7","7","4","1") = "6"
    & skf21("7","4","1","7","7","7","5","1") = "6"
    & skf21("7","4","1","7","7","7","6","1") = "6"
    & skf21("7","4","1","7","7","7","7","1") = "6"
    & skf21("7","4","2","1","1","1","1","1") = "6"
    & skf21("7","4","2","1","1","1","2","1") = "6"
    & skf21("7","4","2","1","1","1","3","1") = "6"
    & skf21("7","4","2","1","1","1","4","1") = "6"
    & skf21("7","4","2","1","1","1","5","1") = "6"
    & skf21("7","4","2","1","1","1","6","1") = "6"
    & skf21("7","4","2","1","1","1","7","1") = "6"
    & skf21("7","4","2","1","1","2","1","1") = "6"
    & skf21("7","4","2","1","1","2","2","1") = "6"
    & skf21("7","4","2","1","1","2","3","1") = "6"
    & skf21("7","4","2","1","1","2","4","1") = "6"
    & skf21("7","4","2","1","1","2","5","1") = "6"
    & skf21("7","4","2","1","1","2","6","1") = "6"
    & skf21("7","4","2","1","1","2","7","1") = "6"
    & skf21("7","4","2","1","1","3","1","1") = "6"
    & skf21("7","4","2","1","1","3","2","1") = "6"
    & skf21("7","4","2","1","1","3","3","1") = "6"
    & skf21("7","4","2","1","1","3","4","1") = "6"
    & skf21("7","4","2","1","1","3","5","1") = "6"
    & skf21("7","4","2","1","1","3","6","1") = "6"
    & skf21("7","4","2","1","1","3","7","1") = "6"
    & skf21("7","4","2","1","1","4","1","1") = "6"
    & skf21("7","4","2","1","1","4","2","1") = "6"
    & skf21("7","4","2","1","1","4","3","1") = "6"
    & skf21("7","4","2","1","1","4","4","1") = "6"
    & skf21("7","4","2","1","1","4","5","1") = "6"
    & skf21("7","4","2","1","1","4","6","1") = "6"
    & skf21("7","4","2","1","1","4","7","1") = "6"
    & skf21("7","4","2","1","1","5","1","1") = "6"
    & skf21("7","4","2","1","1","5","2","1") = "6"
    & skf21("7","4","2","1","1","5","3","1") = "6"
    & skf21("7","4","2","1","1","5","4","1") = "6"
    & skf21("7","4","2","1","1","5","5","1") = "6"
    & skf21("7","4","2","1","1","5","6","1") = "6"
    & skf21("7","4","2","1","1","5","7","1") = "6"
    & skf21("7","4","2","1","1","6","1","1") = "6"
    & skf21("7","4","2","1","1","6","2","1") = "6"
    & skf21("7","4","2","1","1","6","3","1") = "6"
    & skf21("7","4","2","1","1","6","4","1") = "6"
    & skf21("7","4","2","1","1","6","5","1") = "6"
    & skf21("7","4","2","1","1","6","6","1") = "6"
    & skf21("7","4","2","1","1","6","7","1") = "6"
    & skf21("7","4","2","1","1","7","1","1") = "6"
    & skf21("7","4","2","1","1","7","2","1") = "6"
    & skf21("7","4","2","1","1","7","3","1") = "6"
    & skf21("7","4","2","1","1","7","4","1") = "6"
    & skf21("7","4","2","1","1","7","5","1") = "6"
    & skf21("7","4","2","1","1","7","6","1") = "6"
    & skf21("7","4","2","1","1","7","7","1") = "6"
    & skf21("7","4","2","1","2","1","1","1") = "6"
    & skf21("7","4","2","1","2","1","2","1") = "6"
    & skf21("7","4","2","1","2","1","3","1") = "6"
    & skf21("7","4","2","1","2","1","4","1") = "6"
    & skf21("7","4","2","1","2","1","5","1") = "6"
    & skf21("7","4","2","1","2","1","6","1") = "6"
    & skf21("7","4","2","1","2","1","7","1") = "6"
    & skf21("7","4","2","1","2","2","1","1") = "6"
    & skf21("7","4","2","1","2","2","2","1") = "6"
    & skf21("7","4","2","1","2","2","3","1") = "6"
    & skf21("7","4","2","1","2","2","4","1") = "6"
    & skf21("7","4","2","1","2","2","5","1") = "6"
    & skf21("7","4","2","1","2","2","6","1") = "6"
    & skf21("7","4","2","1","2","2","7","1") = "6"
    & skf21("7","4","2","1","2","3","1","1") = "6"
    & skf21("7","4","2","1","2","3","2","1") = "6"
    & skf21("7","4","2","1","2","3","3","1") = "6"
    & skf21("7","4","2","1","2","3","4","1") = "6"
    & skf21("7","4","2","1","2","3","5","1") = "6"
    & skf21("7","4","2","1","2","3","6","1") = "6"
    & skf21("7","4","2","1","2","3","7","1") = "6"
    & skf21("7","4","2","1","2","4","1","1") = "6"
    & skf21("7","4","2","1","2","4","2","1") = "6"
    & skf21("7","4","2","1","2","4","3","1") = "6"
    & skf21("7","4","2","1","2","4","4","1") = "6"
    & skf21("7","4","2","1","2","4","5","1") = "6"
    & skf21("7","4","2","1","2","4","6","1") = "6"
    & skf21("7","4","2","1","2","4","7","1") = "6"
    & skf21("7","4","2","1","2","5","1","1") = "6"
    & skf21("7","4","2","1","2","5","2","1") = "6"
    & skf21("7","4","2","1","2","5","3","1") = "6"
    & skf21("7","4","2","1","2","5","4","1") = "6"
    & skf21("7","4","2","1","2","5","5","1") = "6"
    & skf21("7","4","2","1","2","5","6","1") = "6"
    & skf21("7","4","2","1","2","5","7","1") = "6"
    & skf21("7","4","2","1","2","6","1","1") = "6"
    & skf21("7","4","2","1","2","6","2","1") = "6"
    & skf21("7","4","2","1","2","6","3","1") = "6"
    & skf21("7","4","2","1","2","6","4","1") = "6"
    & skf21("7","4","2","1","2","6","5","1") = "6"
    & skf21("7","4","2","1","2","6","6","1") = "6"
    & skf21("7","4","2","1","2","6","7","1") = "6"
    & skf21("7","4","2","1","2","7","1","1") = "6"
    & skf21("7","4","2","1","2","7","2","1") = "6"
    & skf21("7","4","2","1","2","7","3","1") = "6"
    & skf21("7","4","2","1","2","7","4","1") = "6"
    & skf21("7","4","2","1","2","7","5","1") = "6"
    & skf21("7","4","2","1","2","7","6","1") = "6"
    & skf21("7","4","2","1","2","7","7","1") = "6"
    & skf21("7","4","2","1","3","1","1","1") = "6"
    & skf21("7","4","2","1","3","1","2","1") = "6"
    & skf21("7","4","2","1","3","1","3","1") = "6"
    & skf21("7","4","2","1","3","1","4","1") = "6"
    & skf21("7","4","2","1","3","1","5","1") = "6"
    & skf21("7","4","2","1","3","1","6","1") = "6"
    & skf21("7","4","2","1","3","1","7","1") = "6"
    & skf21("7","4","2","1","3","2","1","1") = "6"
    & skf21("7","4","2","1","3","2","2","1") = "6"
    & skf21("7","4","2","1","3","2","3","1") = "6"
    & skf21("7","4","2","1","3","2","4","1") = "6"
    & skf21("7","4","2","1","3","2","5","1") = "6"
    & skf21("7","4","2","1","3","2","6","1") = "6"
    & skf21("7","4","2","1","3","2","7","1") = "6"
    & skf21("7","4","2","1","3","3","1","1") = "6"
    & skf21("7","4","2","1","3","3","2","1") = "6"
    & skf21("7","4","2","1","3","3","3","1") = "6"
    & skf21("7","4","2","1","3","3","4","1") = "6"
    & skf21("7","4","2","1","3","3","5","1") = "6"
    & skf21("7","4","2","1","3","3","6","1") = "6"
    & skf21("7","4","2","1","3","3","7","1") = "6"
    & skf21("7","4","2","1","3","4","1","1") = "6"
    & skf21("7","4","2","1","3","4","2","1") = "6"
    & skf21("7","4","2","1","3","4","3","1") = "6"
    & skf21("7","4","2","1","3","4","4","1") = "6"
    & skf21("7","4","2","1","3","4","5","1") = "6"
    & skf21("7","4","2","1","3","4","6","1") = "6"
    & skf21("7","4","2","1","3","4","7","1") = "6"
    & skf21("7","4","2","1","3","5","1","1") = "6"
    & skf21("7","4","2","1","3","5","2","1") = "6"
    & skf21("7","4","2","1","3","5","3","1") = "6"
    & skf21("7","4","2","1","3","5","4","1") = "6"
    & skf21("7","4","2","1","3","5","5","1") = "6"
    & skf21("7","4","2","1","3","5","6","1") = "6"
    & skf21("7","4","2","1","3","5","7","1") = "6"
    & skf21("7","4","2","1","3","6","1","1") = "6"
    & skf21("7","4","2","1","3","6","2","1") = "6"
    & skf21("7","4","2","1","3","6","3","1") = "6"
    & skf21("7","4","2","1","3","6","4","1") = "6"
    & skf21("7","4","2","1","3","6","5","1") = "6"
    & skf21("7","4","2","1","3","6","6","1") = "6"
    & skf21("7","4","2","1","3","6","7","1") = "6"
    & skf21("7","4","2","1","3","7","1","1") = "6"
    & skf21("7","4","2","1","3","7","2","1") = "6"
    & skf21("7","4","2","1","3","7","3","1") = "6"
    & skf21("7","4","2","1","3","7","4","1") = "6"
    & skf21("7","4","2","1","3","7","5","1") = "6"
    & skf21("7","4","2","1","3","7","6","1") = "6"
    & skf21("7","4","2","1","3","7","7","1") = "6"
    & skf21("7","4","2","1","4","1","1","1") = "6"
    & skf21("7","4","2","1","4","1","2","1") = "6"
    & skf21("7","4","2","1","4","1","3","1") = "6"
    & skf21("7","4","2","1","4","1","4","1") = "6"
    & skf21("7","4","2","1","4","1","5","1") = "6"
    & skf21("7","4","2","1","4","1","6","1") = "6"
    & skf21("7","4","2","1","4","1","7","1") = "6"
    & skf21("7","4","2","1","4","2","1","1") = "6"
    & skf21("7","4","2","1","4","2","2","1") = "6"
    & skf21("7","4","2","1","4","2","3","1") = "6"
    & skf21("7","4","2","1","4","2","4","1") = "6"
    & skf21("7","4","2","1","4","2","5","1") = "6"
    & skf21("7","4","2","1","4","2","6","1") = "6"
    & skf21("7","4","2","1","4","2","7","1") = "6"
    & skf21("7","4","2","1","4","3","1","1") = "6"
    & skf21("7","4","2","1","4","3","2","1") = "6"
    & skf21("7","4","2","1","4","3","3","1") = "6"
    & skf21("7","4","2","1","4","3","4","1") = "6"
    & skf21("7","4","2","1","4","3","5","1") = "6"
    & skf21("7","4","2","1","4","3","6","1") = "6"
    & skf21("7","4","2","1","4","3","7","1") = "6"
    & skf21("7","4","2","1","4","4","1","1") = "6"
    & skf21("7","4","2","1","4","4","2","1") = "6"
    & skf21("7","4","2","1","4","4","3","1") = "6"
    & skf21("7","4","2","1","4","4","4","1") = "6"
    & skf21("7","4","2","1","4","4","5","1") = "6"
    & skf21("7","4","2","1","4","4","6","1") = "6"
    & skf21("7","4","2","1","4","4","7","1") = "6"
    & skf21("7","4","2","1","4","5","1","1") = "6"
    & skf21("7","4","2","1","4","5","2","1") = "6"
    & skf21("7","4","2","1","4","5","3","1") = "6"
    & skf21("7","4","2","1","4","5","4","1") = "6"
    & skf21("7","4","2","1","4","5","5","1") = "6"
    & skf21("7","4","2","1","4","5","6","1") = "6"
    & skf21("7","4","2","1","4","5","7","1") = "6"
    & skf21("7","4","2","1","4","6","1","1") = "6"
    & skf21("7","4","2","1","4","6","2","1") = "6"
    & skf21("7","4","2","1","4","6","3","1") = "6"
    & skf21("7","4","2","1","4","6","4","1") = "6"
    & skf21("7","4","2","1","4","6","5","1") = "6"
    & skf21("7","4","2","1","4","6","6","1") = "6"
    & skf21("7","4","2","1","4","6","7","1") = "6"
    & skf21("7","4","2","1","4","7","1","1") = "6"
    & skf21("7","4","2","1","4","7","2","1") = "6"
    & skf21("7","4","2","1","4","7","3","1") = "6"
    & skf21("7","4","2","1","4","7","4","1") = "6"
    & skf21("7","4","2","1","4","7","5","1") = "6"
    & skf21("7","4","2","1","4","7","6","1") = "6"
    & skf21("7","4","2","1","4","7","7","1") = "6"
    & skf21("7","4","2","1","5","1","1","1") = "6"
    & skf21("7","4","2","1","5","1","2","1") = "6"
    & skf21("7","4","2","1","5","1","3","1") = "6"
    & skf21("7","4","2","1","5","1","4","1") = "6"
    & skf21("7","4","2","1","5","1","5","1") = "6"
    & skf21("7","4","2","1","5","1","6","1") = "6"
    & skf21("7","4","2","1","5","1","7","1") = "6"
    & skf21("7","4","2","1","5","2","1","1") = "6"
    & skf21("7","4","2","1","5","2","2","1") = "6"
    & skf21("7","4","2","1","5","2","3","1") = "6"
    & skf21("7","4","2","1","5","2","4","1") = "6"
    & skf21("7","4","2","1","5","2","5","1") = "6"
    & skf21("7","4","2","1","5","2","6","1") = "6"
    & skf21("7","4","2","1","5","2","7","1") = "6"
    & skf21("7","4","2","1","5","3","1","1") = "6"
    & skf21("7","4","2","1","5","3","2","1") = "6"
    & skf21("7","4","2","1","5","3","3","1") = "6"
    & skf21("7","4","2","1","5","3","4","1") = "6"
    & skf21("7","4","2","1","5","3","5","1") = "6"
    & skf21("7","4","2","1","5","3","6","1") = "6"
    & skf21("7","4","2","1","5","3","7","1") = "6"
    & skf21("7","4","2","1","5","4","1","1") = "6"
    & skf21("7","4","2","1","5","4","2","1") = "6"
    & skf21("7","4","2","1","5","4","3","1") = "6"
    & skf21("7","4","2","1","5","4","4","1") = "6"
    & skf21("7","4","2","1","5","4","5","1") = "6"
    & skf21("7","4","2","1","5","4","6","1") = "6"
    & skf21("7","4","2","1","5","4","7","1") = "6"
    & skf21("7","4","2","1","5","5","1","1") = "6"
    & skf21("7","4","2","1","5","5","2","1") = "6"
    & skf21("7","4","2","1","5","5","3","1") = "6"
    & skf21("7","4","2","1","5","5","4","1") = "6"
    & skf21("7","4","2","1","5","5","5","1") = "6"
    & skf21("7","4","2","1","5","5","6","1") = "6"
    & skf21("7","4","2","1","5","5","7","1") = "6"
    & skf21("7","4","2","1","5","6","1","1") = "6"
    & skf21("7","4","2","1","5","6","2","1") = "6"
    & skf21("7","4","2","1","5","6","3","1") = "6"
    & skf21("7","4","2","1","5","6","4","1") = "6"
    & skf21("7","4","2","1","5","6","5","1") = "6"
    & skf21("7","4","2","1","5","6","6","1") = "6"
    & skf21("7","4","2","1","5","6","7","1") = "6"
    & skf21("7","4","2","1","5","7","1","1") = "6"
    & skf21("7","4","2","1","5","7","2","1") = "6"
    & skf21("7","4","2","1","5","7","3","1") = "6"
    & skf21("7","4","2","1","5","7","4","1") = "6"
    & skf21("7","4","2","1","5","7","5","1") = "6"
    & skf21("7","4","2","1","5","7","6","1") = "6"
    & skf21("7","4","2","1","5","7","7","1") = "6"
    & skf21("7","4","2","1","6","1","1","1") = "6"
    & skf21("7","4","2","1","6","1","2","1") = "6"
    & skf21("7","4","2","1","6","1","3","1") = "6"
    & skf21("7","4","2","1","6","1","4","1") = "6"
    & skf21("7","4","2","1","6","1","5","1") = "6"
    & skf21("7","4","2","1","6","1","6","1") = "6"
    & skf21("7","4","2","1","6","1","7","1") = "6"
    & skf21("7","4","2","1","6","2","1","1") = "6"
    & skf21("7","4","2","1","6","2","2","1") = "6"
    & skf21("7","4","2","1","6","2","3","1") = "6"
    & skf21("7","4","2","1","6","2","4","1") = "6"
    & skf21("7","4","2","1","6","2","5","1") = "6"
    & skf21("7","4","2","1","6","2","6","1") = "6"
    & skf21("7","4","2","1","6","2","7","1") = "6"
    & skf21("7","4","2","1","6","3","1","1") = "6"
    & skf21("7","4","2","1","6","3","2","1") = "6"
    & skf21("7","4","2","1","6","3","3","1") = "6"
    & skf21("7","4","2","1","6","3","4","1") = "6"
    & skf21("7","4","2","1","6","3","5","1") = "6"
    & skf21("7","4","2","1","6","3","6","1") = "6"
    & skf21("7","4","2","1","6","3","7","1") = "6"
    & skf21("7","4","2","1","6","4","1","1") = "6"
    & skf21("7","4","2","1","6","4","2","1") = "6"
    & skf21("7","4","2","1","6","4","3","1") = "6"
    & skf21("7","4","2","1","6","4","4","1") = "6"
    & skf21("7","4","2","1","6","4","5","1") = "6"
    & skf21("7","4","2","1","6","4","6","1") = "6"
    & skf21("7","4","2","1","6","4","7","1") = "6"
    & skf21("7","4","2","1","6","5","1","1") = "6"
    & skf21("7","4","2","1","6","5","2","1") = "6"
    & skf21("7","4","2","1","6","5","3","1") = "6"
    & skf21("7","4","2","1","6","5","4","1") = "6"
    & skf21("7","4","2","1","6","5","5","1") = "6"
    & skf21("7","4","2","1","6","5","6","1") = "6"
    & skf21("7","4","2","1","6","5","7","1") = "6"
    & skf21("7","4","2","1","6","6","1","1") = "6"
    & skf21("7","4","2","1","6","6","2","1") = "6"
    & skf21("7","4","2","1","6","6","3","1") = "6"
    & skf21("7","4","2","1","6","6","4","1") = "6"
    & skf21("7","4","2","1","6","6","5","1") = "6"
    & skf21("7","4","2","1","6","6","6","1") = "6"
    & skf21("7","4","2","1","6","6","7","1") = "6"
    & skf21("7","4","2","1","6","7","1","1") = "6"
    & skf21("7","4","2","1","6","7","2","1") = "6"
    & skf21("7","4","2","1","6","7","3","1") = "6"
    & skf21("7","4","2","1","6","7","4","1") = "6"
    & skf21("7","4","2","1","6","7","5","1") = "6"
    & skf21("7","4","2","1","6","7","6","1") = "6"
    & skf21("7","4","2","1","6","7","7","1") = "6"
    & skf21("7","4","2","1","7","1","1","1") = "6"
    & skf21("7","4","2","1","7","1","2","1") = "6"
    & skf21("7","4","2","1","7","1","3","1") = "6"
    & skf21("7","4","2","1","7","1","4","1") = "6"
    & skf21("7","4","2","1","7","1","5","1") = "6"
    & skf21("7","4","2","1","7","1","6","1") = "6"
    & skf21("7","4","2","1","7","1","7","1") = "6"
    & skf21("7","4","2","1","7","2","1","1") = "6"
    & skf21("7","4","2","1","7","2","2","1") = "6"
    & skf21("7","4","2","1","7","2","3","1") = "6"
    & skf21("7","4","2","1","7","2","4","1") = "6"
    & skf21("7","4","2","1","7","2","5","1") = "6"
    & skf21("7","4","2","1","7","2","6","1") = "6"
    & skf21("7","4","2","1","7","2","7","1") = "6"
    & skf21("7","4","2","1","7","3","1","1") = "6"
    & skf21("7","4","2","1","7","3","2","1") = "6"
    & skf21("7","4","2","1","7","3","3","1") = "6"
    & skf21("7","4","2","1","7","3","4","1") = "6"
    & skf21("7","4","2","1","7","3","5","1") = "6"
    & skf21("7","4","2","1","7","3","6","1") = "6"
    & skf21("7","4","2","1","7","3","7","1") = "6"
    & skf21("7","4","2","1","7","4","1","1") = "6"
    & skf21("7","4","2","1","7","4","2","1") = "6"
    & skf21("7","4","2","1","7","4","3","1") = "6"
    & skf21("7","4","2","1","7","4","4","1") = "6"
    & skf21("7","4","2","1","7","4","5","1") = "6"
    & skf21("7","4","2","1","7","4","6","1") = "6"
    & skf21("7","4","2","1","7","4","7","1") = "6"
    & skf21("7","4","2","1","7","5","1","1") = "6"
    & skf21("7","4","2","1","7","5","2","1") = "6"
    & skf21("7","4","2","1","7","5","3","1") = "6"
    & skf21("7","4","2","1","7","5","4","1") = "6"
    & skf21("7","4","2","1","7","5","5","1") = "6"
    & skf21("7","4","2","1","7","5","6","1") = "6"
    & skf21("7","4","2","1","7","5","7","1") = "6"
    & skf21("7","4","2","1","7","6","1","1") = "6"
    & skf21("7","4","2","1","7","6","2","1") = "6"
    & skf21("7","4","2","1","7","6","3","1") = "6"
    & skf21("7","4","2","1","7","6","4","1") = "6"
    & skf21("7","4","2","1","7","6","5","1") = "6"
    & skf21("7","4","2","1","7","6","6","1") = "6"
    & skf21("7","4","2","1","7","6","7","1") = "6"
    & skf21("7","4","2","1","7","7","1","1") = "6"
    & skf21("7","4","2","1","7","7","2","1") = "6"
    & skf21("7","4","2","1","7","7","3","1") = "6"
    & skf21("7","4","2","1","7","7","4","1") = "6"
    & skf21("7","4","2","1","7","7","5","1") = "6"
    & skf21("7","4","2","1","7","7","6","1") = "6"
    & skf21("7","4","2","1","7","7","7","1") = "6"
    & skf21("7","4","2","2","1","1","1","1") = "6"
    & skf21("7","4","2","2","1","1","2","1") = "6"
    & skf21("7","4","2","2","1","1","3","1") = "6"
    & skf21("7","4","2","2","1","1","4","1") = "6"
    & skf21("7","4","2","2","1","1","5","1") = "6"
    & skf21("7","4","2","2","1","1","6","1") = "6"
    & skf21("7","4","2","2","1","1","7","1") = "6"
    & skf21("7","4","2","2","1","2","1","1") = "6"
    & skf21("7","4","2","2","1","2","2","1") = "6"
    & skf21("7","4","2","2","1","2","3","1") = "6"
    & skf21("7","4","2","2","1","2","4","1") = "6"
    & skf21("7","4","2","2","1","2","5","1") = "6"
    & skf21("7","4","2","2","1","2","6","1") = "6"
    & skf21("7","4","2","2","1","2","7","1") = "6"
    & skf21("7","4","2","2","1","3","1","1") = "6"
    & skf21("7","4","2","2","1","3","2","1") = "6"
    & skf21("7","4","2","2","1","3","3","1") = "6"
    & skf21("7","4","2","2","1","3","4","1") = "6"
    & skf21("7","4","2","2","1","3","5","1") = "6"
    & skf21("7","4","2","2","1","3","6","1") = "6"
    & skf21("7","4","2","2","1","3","7","1") = "6"
    & skf21("7","4","2","2","1","4","1","1") = "6"
    & skf21("7","4","2","2","1","4","2","1") = "6"
    & skf21("7","4","2","2","1","4","3","1") = "6"
    & skf21("7","4","2","2","1","4","4","1") = "6"
    & skf21("7","4","2","2","1","4","5","1") = "6"
    & skf21("7","4","2","2","1","4","6","1") = "6"
    & skf21("7","4","2","2","1","4","7","1") = "6"
    & skf21("7","4","2","2","1","5","1","1") = "6"
    & skf21("7","4","2","2","1","5","2","1") = "6"
    & skf21("7","4","2","2","1","5","3","1") = "6"
    & skf21("7","4","2","2","1","5","4","1") = "6"
    & skf21("7","4","2","2","1","5","5","1") = "6"
    & skf21("7","4","2","2","1","5","6","1") = "6"
    & skf21("7","4","2","2","1","5","7","1") = "6"
    & skf21("7","4","2","2","1","6","1","1") = "6"
    & skf21("7","4","2","2","1","6","2","1") = "6"
    & skf21("7","4","2","2","1","6","3","1") = "6"
    & skf21("7","4","2","2","1","6","4","1") = "6"
    & skf21("7","4","2","2","1","6","5","1") = "6"
    & skf21("7","4","2","2","1","6","6","1") = "6"
    & skf21("7","4","2","2","1","6","7","1") = "6"
    & skf21("7","4","2","2","1","7","1","1") = "6"
    & skf21("7","4","2","2","1","7","2","1") = "6"
    & skf21("7","4","2","2","1","7","3","1") = "6"
    & skf21("7","4","2","2","1","7","4","1") = "6"
    & skf21("7","4","2","2","1","7","5","1") = "6"
    & skf21("7","4","2","2","1","7","6","1") = "6"
    & skf21("7","4","2","2","1","7","7","1") = "6"
    & skf21("7","4","2","2","2","1","1","1") = "6"
    & skf21("7","4","2","2","2","1","2","1") = "6"
    & skf21("7","4","2","2","2","1","3","1") = "6"
    & skf21("7","4","2","2","2","1","4","1") = "6"
    & skf21("7","4","2","2","2","1","5","1") = "6"
    & skf21("7","4","2","2","2","1","6","1") = "6"
    & skf21("7","4","2","2","2","1","7","1") = "6"
    & skf21("7","4","2","2","2","2","1","1") = "6"
    & skf21("7","4","2","2","2","2","2","1") = "6"
    & skf21("7","4","2","2","2","2","3","1") = "6"
    & skf21("7","4","2","2","2","2","4","1") = "6"
    & skf21("7","4","2","2","2","2","5","1") = "6"
    & skf21("7","4","2","2","2","2","6","1") = "6"
    & skf21("7","4","2","2","2","2","7","1") = "6"
    & skf21("7","4","2","2","2","3","1","1") = "6"
    & skf21("7","4","2","2","2","3","2","1") = "6"
    & skf21("7","4","2","2","2","3","3","1") = "6"
    & skf21("7","4","2","2","2","3","4","1") = "6"
    & skf21("7","4","2","2","2","3","5","1") = "6"
    & skf21("7","4","2","2","2","3","6","1") = "6"
    & skf21("7","4","2","2","2","3","7","1") = "6"
    & skf21("7","4","2","2","2","4","1","1") = "6"
    & skf21("7","4","2","2","2","4","2","1") = "6"
    & skf21("7","4","2","2","2","4","3","1") = "6"
    & skf21("7","4","2","2","2","4","4","1") = "6"
    & skf21("7","4","2","2","2","4","5","1") = "6"
    & skf21("7","4","2","2","2","4","6","1") = "6"
    & skf21("7","4","2","2","2","4","7","1") = "6"
    & skf21("7","4","2","2","2","5","1","1") = "6"
    & skf21("7","4","2","2","2","5","2","1") = "6"
    & skf21("7","4","2","2","2","5","3","1") = "6"
    & skf21("7","4","2","2","2","5","4","1") = "6"
    & skf21("7","4","2","2","2","5","5","1") = "6"
    & skf21("7","4","2","2","2","5","6","1") = "6"
    & skf21("7","4","2","2","2","5","7","1") = "6"
    & skf21("7","4","2","2","2","6","1","1") = "6"
    & skf21("7","4","2","2","2","6","2","1") = "6"
    & skf21("7","4","2","2","2","6","3","1") = "6"
    & skf21("7","4","2","2","2","6","4","1") = "6"
    & skf21("7","4","2","2","2","6","5","1") = "6"
    & skf21("7","4","2","2","2","6","6","1") = "6"
    & skf21("7","4","2","2","2","6","7","1") = "6"
    & skf21("7","4","2","2","2","7","1","1") = "6"
    & skf21("7","4","2","2","2","7","2","1") = "6"
    & skf21("7","4","2","2","2","7","3","1") = "6"
    & skf21("7","4","2","2","2","7","4","1") = "6"
    & skf21("7","4","2","2","2","7","5","1") = "6"
    & skf21("7","4","2","2","2","7","6","1") = "6"
    & skf21("7","4","2","2","2","7","7","1") = "6"
    & skf21("7","4","2","2","3","1","1","1") = "6"
    & skf21("7","4","2","2","3","1","2","1") = "6"
    & skf21("7","4","2","2","3","1","3","1") = "6"
    & skf21("7","4","2","2","3","1","4","1") = "6"
    & skf21("7","4","2","2","3","1","5","1") = "6"
    & skf21("7","4","2","2","3","1","6","1") = "6"
    & skf21("7","4","2","2","3","1","7","1") = "6"
    & skf21("7","4","2","2","3","2","1","1") = "6"
    & skf21("7","4","2","2","3","2","2","1") = "6"
    & skf21("7","4","2","2","3","2","3","1") = "6"
    & skf21("7","4","2","2","3","2","4","1") = "6"
    & skf21("7","4","2","2","3","2","5","1") = "6"
    & skf21("7","4","2","2","3","2","6","1") = "6"
    & skf21("7","4","2","2","3","2","7","1") = "6"
    & skf21("7","4","2","2","3","3","1","1") = "6"
    & skf21("7","4","2","2","3","3","2","1") = "6"
    & skf21("7","4","2","2","3","3","3","1") = "6"
    & skf21("7","4","2","2","3","3","4","1") = "6"
    & skf21("7","4","2","2","3","3","5","1") = "6"
    & skf21("7","4","2","2","3","3","6","1") = "6"
    & skf21("7","4","2","2","3","3","7","1") = "6"
    & skf21("7","4","2","2","3","4","1","1") = "6"
    & skf21("7","4","2","2","3","4","2","1") = "6"
    & skf21("7","4","2","2","3","4","3","1") = "6"
    & skf21("7","4","2","2","3","4","4","1") = "6"
    & skf21("7","4","2","2","3","4","5","1") = "6"
    & skf21("7","4","2","2","3","4","6","1") = "6"
    & skf21("7","4","2","2","3","4","7","1") = "6"
    & skf21("7","4","2","2","3","5","1","1") = "6"
    & skf21("7","4","2","2","3","5","2","1") = "6"
    & skf21("7","4","2","2","3","5","3","1") = "6"
    & skf21("7","4","2","2","3","5","4","1") = "6"
    & skf21("7","4","2","2","3","5","5","1") = "6"
    & skf21("7","4","2","2","3","5","6","1") = "6"
    & skf21("7","4","2","2","3","5","7","1") = "6"
    & skf21("7","4","2","2","3","6","1","1") = "6"
    & skf21("7","4","2","2","3","6","2","1") = "6"
    & skf21("7","4","2","2","3","6","3","1") = "6"
    & skf21("7","4","2","2","3","6","4","1") = "6"
    & skf21("7","4","2","2","3","6","5","1") = "6"
    & skf21("7","4","2","2","3","6","6","1") = "6"
    & skf21("7","4","2","2","3","6","7","1") = "6"
    & skf21("7","4","2","2","3","7","1","1") = "6"
    & skf21("7","4","2","2","3","7","2","1") = "6"
    & skf21("7","4","2","2","3","7","3","1") = "6"
    & skf21("7","4","2","2","3","7","4","1") = "6"
    & skf21("7","4","2","2","3","7","5","1") = "6"
    & skf21("7","4","2","2","3","7","6","1") = "6"
    & skf21("7","4","2","2","3","7","7","1") = "6"
    & skf21("7","4","2","2","4","1","1","1") = "6"
    & skf21("7","4","2","2","4","1","2","1") = "6"
    & skf21("7","4","2","2","4","1","3","1") = "6"
    & skf21("7","4","2","2","4","1","4","1") = "6"
    & skf21("7","4","2","2","4","1","5","1") = "6"
    & skf21("7","4","2","2","4","1","6","1") = "6"
    & skf21("7","4","2","2","4","1","7","1") = "6"
    & skf21("7","4","2","2","4","2","1","1") = "6"
    & skf21("7","4","2","2","4","2","2","1") = "6"
    & skf21("7","4","2","2","4","2","3","1") = "6"
    & skf21("7","4","2","2","4","2","4","1") = "6"
    & skf21("7","4","2","2","4","2","5","1") = "6"
    & skf21("7","4","2","2","4","2","6","1") = "6"
    & skf21("7","4","2","2","4","2","7","1") = "6"
    & skf21("7","4","2","2","4","3","1","1") = "6"
    & skf21("7","4","2","2","4","3","2","1") = "6"
    & skf21("7","4","2","2","4","3","3","1") = "6"
    & skf21("7","4","2","2","4","3","4","1") = "6"
    & skf21("7","4","2","2","4","3","5","1") = "6"
    & skf21("7","4","2","2","4","3","6","1") = "6"
    & skf21("7","4","2","2","4","3","7","1") = "6"
    & skf21("7","4","2","2","4","4","1","1") = "6"
    & skf21("7","4","2","2","4","4","2","1") = "6"
    & skf21("7","4","2","2","4","4","3","1") = "6"
    & skf21("7","4","2","2","4","4","4","1") = "6"
    & skf21("7","4","2","2","4","4","5","1") = "6"
    & skf21("7","4","2","2","4","4","6","1") = "6"
    & skf21("7","4","2","2","4","4","7","1") = "6"
    & skf21("7","4","2","2","4","5","1","1") = "6"
    & skf21("7","4","2","2","4","5","2","1") = "6"
    & skf21("7","4","2","2","4","5","3","1") = "6"
    & skf21("7","4","2","2","4","5","4","1") = "6"
    & skf21("7","4","2","2","4","5","5","1") = "6"
    & skf21("7","4","2","2","4","5","6","1") = "6"
    & skf21("7","4","2","2","4","5","7","1") = "6"
    & skf21("7","4","2","2","4","6","1","1") = "6"
    & skf21("7","4","2","2","4","6","2","1") = "6"
    & skf21("7","4","2","2","4","6","3","1") = "6"
    & skf21("7","4","2","2","4","6","4","1") = "6"
    & skf21("7","4","2","2","4","6","5","1") = "6"
    & skf21("7","4","2","2","4","6","6","1") = "6"
    & skf21("7","4","2","2","4","6","7","1") = "6"
    & skf21("7","4","2","2","4","7","1","1") = "6"
    & skf21("7","4","2","2","4","7","2","1") = "6"
    & skf21("7","4","2","2","4","7","3","1") = "6"
    & skf21("7","4","2","2","4","7","4","1") = "6"
    & skf21("7","4","2","2","4","7","5","1") = "6"
    & skf21("7","4","2","2","4","7","6","1") = "6"
    & skf21("7","4","2","2","4","7","7","1") = "6"
    & skf21("7","4","2","2","5","1","1","1") = "6"
    & skf21("7","4","2","2","5","1","2","1") = "6"
    & skf21("7","4","2","2","5","1","3","1") = "6"
    & skf21("7","4","2","2","5","1","4","1") = "6"
    & skf21("7","4","2","2","5","1","5","1") = "6"
    & skf21("7","4","2","2","5","1","6","1") = "6"
    & skf21("7","4","2","2","5","1","7","1") = "6"
    & skf21("7","4","2","2","5","2","1","1") = "6"
    & skf21("7","4","2","2","5","2","2","1") = "6"
    & skf21("7","4","2","2","5","2","3","1") = "6"
    & skf21("7","4","2","2","5","2","4","1") = "6"
    & skf21("7","4","2","2","5","2","5","1") = "6"
    & skf21("7","4","2","2","5","2","6","1") = "6"
    & skf21("7","4","2","2","5","2","7","1") = "6"
    & skf21("7","4","2","2","5","3","1","1") = "6"
    & skf21("7","4","2","2","5","3","2","1") = "6"
    & skf21("7","4","2","2","5","3","3","1") = "6"
    & skf21("7","4","2","2","5","3","4","1") = "6"
    & skf21("7","4","2","2","5","3","5","1") = "6"
    & skf21("7","4","2","2","5","3","6","1") = "6"
    & skf21("7","4","2","2","5","3","7","1") = "6"
    & skf21("7","4","2","2","5","4","1","1") = "6"
    & skf21("7","4","2","2","5","4","2","1") = "6"
    & skf21("7","4","2","2","5","4","3","1") = "6"
    & skf21("7","4","2","2","5","4","4","1") = "6"
    & skf21("7","4","2","2","5","4","5","1") = "6"
    & skf21("7","4","2","2","5","4","6","1") = "6"
    & skf21("7","4","2","2","5","4","7","1") = "6"
    & skf21("7","4","2","2","5","5","1","1") = "6"
    & skf21("7","4","2","2","5","5","2","1") = "6"
    & skf21("7","4","2","2","5","5","3","1") = "6"
    & skf21("7","4","2","2","5","5","4","1") = "6"
    & skf21("7","4","2","2","5","5","5","1") = "6"
    & skf21("7","4","2","2","5","5","6","1") = "6"
    & skf21("7","4","2","2","5","5","7","1") = "6"
    & skf21("7","4","2","2","5","6","1","1") = "6"
    & skf21("7","4","2","2","5","6","2","1") = "6"
    & skf21("7","4","2","2","5","6","3","1") = "6"
    & skf21("7","4","2","2","5","6","4","1") = "6"
    & skf21("7","4","2","2","5","6","5","1") = "6"
    & skf21("7","4","2","2","5","6","6","1") = "6"
    & skf21("7","4","2","2","5","6","7","1") = "6"
    & skf21("7","4","2","2","5","7","1","1") = "6"
    & skf21("7","4","2","2","5","7","2","1") = "6"
    & skf21("7","4","2","2","5","7","3","1") = "6"
    & skf21("7","4","2","2","5","7","4","1") = "6"
    & skf21("7","4","2","2","5","7","5","1") = "6"
    & skf21("7","4","2","2","5","7","6","1") = "6"
    & skf21("7","4","2","2","5","7","7","1") = "6"
    & skf21("7","4","2","2","6","1","1","1") = "6"
    & skf21("7","4","2","2","6","1","2","1") = "6"
    & skf21("7","4","2","2","6","1","3","1") = "6"
    & skf21("7","4","2","2","6","1","4","1") = "6"
    & skf21("7","4","2","2","6","1","5","1") = "6"
    & skf21("7","4","2","2","6","1","6","1") = "6"
    & skf21("7","4","2","2","6","1","7","1") = "6"
    & skf21("7","4","2","2","6","2","1","1") = "6"
    & skf21("7","4","2","2","6","2","2","1") = "6"
    & skf21("7","4","2","2","6","2","3","1") = "6"
    & skf21("7","4","2","2","6","2","4","1") = "6"
    & skf21("7","4","2","2","6","2","5","1") = "6"
    & skf21("7","4","2","2","6","2","6","1") = "6"
    & skf21("7","4","2","2","6","2","7","1") = "6"
    & skf21("7","4","2","2","6","3","1","1") = "6"
    & skf21("7","4","2","2","6","3","2","1") = "6"
    & skf21("7","4","2","2","6","3","3","1") = "6"
    & skf21("7","4","2","2","6","3","4","1") = "6"
    & skf21("7","4","2","2","6","3","5","1") = "6"
    & skf21("7","4","2","2","6","3","6","1") = "6"
    & skf21("7","4","2","2","6","3","7","1") = "6"
    & skf21("7","4","2","2","6","4","1","1") = "6"
    & skf21("7","4","2","2","6","4","2","1") = "6"
    & skf21("7","4","2","2","6","4","3","1") = "6"
    & skf21("7","4","2","2","6","4","4","1") = "6"
    & skf21("7","4","2","2","6","4","5","1") = "6"
    & skf21("7","4","2","2","6","4","6","1") = "6"
    & skf21("7","4","2","2","6","4","7","1") = "6"
    & skf21("7","4","2","2","6","5","1","1") = "6"
    & skf21("7","4","2","2","6","5","2","1") = "6"
    & skf21("7","4","2","2","6","5","3","1") = "6"
    & skf21("7","4","2","2","6","5","4","1") = "6"
    & skf21("7","4","2","2","6","5","5","1") = "6"
    & skf21("7","4","2","2","6","5","6","1") = "6"
    & skf21("7","4","2","2","6","5","7","1") = "6"
    & skf21("7","4","2","2","6","6","1","1") = "6"
    & skf21("7","4","2","2","6","6","2","1") = "6"
    & skf21("7","4","2","2","6","6","3","1") = "6"
    & skf21("7","4","2","2","6","6","4","1") = "6"
    & skf21("7","4","2","2","6","6","5","1") = "6"
    & skf21("7","4","2","2","6","6","6","1") = "6"
    & skf21("7","4","2","2","6","6","7","1") = "6"
    & skf21("7","4","2","2","6","7","1","1") = "6"
    & skf21("7","4","2","2","6","7","2","1") = "6"
    & skf21("7","4","2","2","6","7","3","1") = "6"
    & skf21("7","4","2","2","6","7","4","1") = "6"
    & skf21("7","4","2","2","6","7","5","1") = "6"
    & skf21("7","4","2","2","6","7","6","1") = "6"
    & skf21("7","4","2","2","6","7","7","1") = "6"
    & skf21("7","4","2","2","7","1","1","1") = "6"
    & skf21("7","4","2","2","7","1","2","1") = "6"
    & skf21("7","4","2","2","7","1","3","1") = "6"
    & skf21("7","4","2","2","7","1","4","1") = "6"
    & skf21("7","4","2","2","7","1","5","1") = "6"
    & skf21("7","4","2","2","7","1","6","1") = "6"
    & skf21("7","4","2","2","7","1","7","1") = "6"
    & skf21("7","4","2","2","7","2","1","1") = "6"
    & skf21("7","4","2","2","7","2","2","1") = "6"
    & skf21("7","4","2","2","7","2","3","1") = "6"
    & skf21("7","4","2","2","7","2","4","1") = "6"
    & skf21("7","4","2","2","7","2","5","1") = "6"
    & skf21("7","4","2","2","7","2","6","1") = "6"
    & skf21("7","4","2","2","7","2","7","1") = "6"
    & skf21("7","4","2","2","7","3","1","1") = "6"
    & skf21("7","4","2","2","7","3","2","1") = "6"
    & skf21("7","4","2","2","7","3","3","1") = "6"
    & skf21("7","4","2","2","7","3","4","1") = "6"
    & skf21("7","4","2","2","7","3","5","1") = "6"
    & skf21("7","4","2","2","7","3","6","1") = "6"
    & skf21("7","4","2","2","7","3","7","1") = "6"
    & skf21("7","4","2","2","7","4","1","1") = "6"
    & skf21("7","4","2","2","7","4","2","1") = "6"
    & skf21("7","4","2","2","7","4","3","1") = "6"
    & skf21("7","4","2","2","7","4","4","1") = "6"
    & skf21("7","4","2","2","7","4","5","1") = "6"
    & skf21("7","4","2","2","7","4","6","1") = "6"
    & skf21("7","4","2","2","7","4","7","1") = "6"
    & skf21("7","4","2","2","7","5","1","1") = "6"
    & skf21("7","4","2","2","7","5","2","1") = "6"
    & skf21("7","4","2","2","7","5","3","1") = "6"
    & skf21("7","4","2","2","7","5","4","1") = "6"
    & skf21("7","4","2","2","7","5","5","1") = "6"
    & skf21("7","4","2","2","7","5","6","1") = "6"
    & skf21("7","4","2","2","7","5","7","1") = "6"
    & skf21("7","4","2","2","7","6","1","1") = "6"
    & skf21("7","4","2","2","7","6","2","1") = "6"
    & skf21("7","4","2","2","7","6","3","1") = "6"
    & skf21("7","4","2","2","7","6","4","1") = "6"
    & skf21("7","4","2","2","7","6","5","1") = "6"
    & skf21("7","4","2","2","7","6","6","1") = "6"
    & skf21("7","4","2","2","7","6","7","1") = "6"
    & skf21("7","4","2","2","7","7","1","1") = "6"
    & skf21("7","4","2","2","7","7","2","1") = "6"
    & skf21("7","4","2","2","7","7","3","1") = "6"
    & skf21("7","4","2","2","7","7","4","1") = "6"
    & skf21("7","4","2","2","7","7","5","1") = "6"
    & skf21("7","4","2","2","7","7","6","1") = "6"
    & skf21("7","4","2","2","7","7","7","1") = "6"
    & skf21("7","4","2","3","1","1","1","1") = "6"
    & skf21("7","4","2","3","1","1","2","1") = "6"
    & skf21("7","4","2","3","1","1","3","1") = "6"
    & skf21("7","4","2","3","1","1","4","1") = "6"
    & skf21("7","4","2","3","1","1","5","1") = "6"
    & skf21("7","4","2","3","1","1","6","1") = "6"
    & skf21("7","4","2","3","1","1","7","1") = "6"
    & skf21("7","4","2","3","1","2","1","1") = "6"
    & skf21("7","4","2","3","1","2","2","1") = "6"
    & skf21("7","4","2","3","1","2","3","1") = "6"
    & skf21("7","4","2","3","1","2","4","1") = "6"
    & skf21("7","4","2","3","1","2","5","1") = "6"
    & skf21("7","4","2","3","1","2","6","1") = "6"
    & skf21("7","4","2","3","1","2","7","1") = "6"
    & skf21("7","4","2","3","1","3","1","1") = "6"
    & skf21("7","4","2","3","1","3","2","1") = "6"
    & skf21("7","4","2","3","1","3","3","1") = "6"
    & skf21("7","4","2","3","1","3","4","1") = "6"
    & skf21("7","4","2","3","1","3","5","1") = "6"
    & skf21("7","4","2","3","1","3","6","1") = "6"
    & skf21("7","4","2","3","1","3","7","1") = "6"
    & skf21("7","4","2","3","1","4","1","1") = "6"
    & skf21("7","4","2","3","1","4","2","1") = "6"
    & skf21("7","4","2","3","1","4","3","1") = "6"
    & skf21("7","4","2","3","1","4","4","1") = "6"
    & skf21("7","4","2","3","1","4","5","1") = "6"
    & skf21("7","4","2","3","1","4","6","1") = "6"
    & skf21("7","4","2","3","1","4","7","1") = "6"
    & skf21("7","4","2","3","1","5","1","1") = "6"
    & skf21("7","4","2","3","1","5","2","1") = "6"
    & skf21("7","4","2","3","1","5","3","1") = "6"
    & skf21("7","4","2","3","1","5","4","1") = "6"
    & skf21("7","4","2","3","1","5","5","1") = "6"
    & skf21("7","4","2","3","1","5","6","1") = "6"
    & skf21("7","4","2","3","1","5","7","1") = "6"
    & skf21("7","4","2","3","1","6","1","1") = "6"
    & skf21("7","4","2","3","1","6","2","1") = "6"
    & skf21("7","4","2","3","1","6","3","1") = "6"
    & skf21("7","4","2","3","1","6","4","1") = "6"
    & skf21("7","4","2","3","1","6","5","1") = "6"
    & skf21("7","4","2","3","1","6","6","1") = "6"
    & skf21("7","4","2","3","1","6","7","1") = "6"
    & skf21("7","4","2","3","1","7","1","1") = "6"
    & skf21("7","4","2","3","1","7","2","1") = "6"
    & skf21("7","4","2","3","1","7","3","1") = "6"
    & skf21("7","4","2","3","1","7","4","1") = "6"
    & skf21("7","4","2","3","1","7","5","1") = "6"
    & skf21("7","4","2","3","1","7","6","1") = "6"
    & skf21("7","4","2","3","1","7","7","1") = "6"
    & skf21("7","4","2","3","2","1","1","1") = "6"
    & skf21("7","4","2","3","2","1","2","1") = "6"
    & skf21("7","4","2","3","2","1","3","1") = "6"
    & skf21("7","4","2","3","2","1","4","1") = "6"
    & skf21("7","4","2","3","2","1","5","1") = "6"
    & skf21("7","4","2","3","2","1","6","1") = "6"
    & skf21("7","4","2","3","2","1","7","1") = "6"
    & skf21("7","4","2","3","2","2","1","1") = "6"
    & skf21("7","4","2","3","2","2","2","1") = "6"
    & skf21("7","4","2","3","2","2","3","1") = "6"
    & skf21("7","4","2","3","2","2","4","1") = "6"
    & skf21("7","4","2","3","2","2","5","1") = "6"
    & skf21("7","4","2","3","2","2","6","1") = "6"
    & skf21("7","4","2","3","2","2","7","1") = "6"
    & skf21("7","4","2","3","2","3","1","1") = "6"
    & skf21("7","4","2","3","2","3","2","1") = "6"
    & skf21("7","4","2","3","2","3","3","1") = "6"
    & skf21("7","4","2","3","2","3","4","1") = "6"
    & skf21("7","4","2","3","2","3","5","1") = "6"
    & skf21("7","4","2","3","2","3","6","1") = "6"
    & skf21("7","4","2","3","2","3","7","1") = "6"
    & skf21("7","4","2","3","2","4","1","1") = "6"
    & skf21("7","4","2","3","2","4","2","1") = "6"
    & skf21("7","4","2","3","2","4","3","1") = "6"
    & skf21("7","4","2","3","2","4","4","1") = "6"
    & skf21("7","4","2","3","2","4","5","1") = "6"
    & skf21("7","4","2","3","2","4","6","1") = "6"
    & skf21("7","4","2","3","2","4","7","1") = "6"
    & skf21("7","4","2","3","2","5","1","1") = "6"
    & skf21("7","4","2","3","2","5","2","1") = "6"
    & skf21("7","4","2","3","2","5","3","1") = "6"
    & skf21("7","4","2","3","2","5","4","1") = "6"
    & skf21("7","4","2","3","2","5","5","1") = "6"
    & skf21("7","4","2","3","2","5","6","1") = "6"
    & skf21("7","4","2","3","2","5","7","1") = "6"
    & skf21("7","4","2","3","2","6","1","1") = "6"
    & skf21("7","4","2","3","2","6","2","1") = "6"
    & skf21("7","4","2","3","2","6","3","1") = "6"
    & skf21("7","4","2","3","2","6","4","1") = "6"
    & skf21("7","4","2","3","2","6","5","1") = "6"
    & skf21("7","4","2","3","2","6","6","1") = "6"
    & skf21("7","4","2","3","2","6","7","1") = "6"
    & skf21("7","4","2","3","2","7","1","1") = "6"
    & skf21("7","4","2","3","2","7","2","1") = "6"
    & skf21("7","4","2","3","2","7","3","1") = "6"
    & skf21("7","4","2","3","2","7","4","1") = "6"
    & skf21("7","4","2","3","2","7","5","1") = "6"
    & skf21("7","4","2","3","2","7","6","1") = "6"
    & skf21("7","4","2","3","2","7","7","1") = "6"
    & skf21("7","4","2","3","3","1","1","1") = "6"
    & skf21("7","4","2","3","3","1","2","1") = "6"
    & skf21("7","4","2","3","3","1","3","1") = "6"
    & skf21("7","4","2","3","3","1","4","1") = "6"
    & skf21("7","4","2","3","3","1","5","1") = "6"
    & skf21("7","4","2","3","3","1","6","1") = "6"
    & skf21("7","4","2","3","3","1","7","1") = "6"
    & skf21("7","4","2","3","3","2","1","1") = "6"
    & skf21("7","4","2","3","3","2","2","1") = "6"
    & skf21("7","4","2","3","3","2","3","1") = "6"
    & skf21("7","4","2","3","3","2","4","1") = "6"
    & skf21("7","4","2","3","3","2","5","1") = "6"
    & skf21("7","4","2","3","3","2","6","1") = "6"
    & skf21("7","4","2","3","3","2","7","1") = "6"
    & skf21("7","4","2","3","3","3","1","1") = "6"
    & skf21("7","4","2","3","3","3","2","1") = "6"
    & skf21("7","4","2","3","3","3","3","1") = "6"
    & skf21("7","4","2","3","3","3","4","1") = "6"
    & skf21("7","4","2","3","3","3","5","1") = "6"
    & skf21("7","4","2","3","3","3","6","1") = "6"
    & skf21("7","4","2","3","3","3","7","1") = "6"
    & skf21("7","4","2","3","3","4","1","1") = "6"
    & skf21("7","4","2","3","3","4","2","1") = "6"
    & skf21("7","4","2","3","3","4","3","1") = "6"
    & skf21("7","4","2","3","3","4","4","1") = "6"
    & skf21("7","4","2","3","3","4","5","1") = "6"
    & skf21("7","4","2","3","3","4","6","1") = "6"
    & skf21("7","4","2","3","3","4","7","1") = "6"
    & skf21("7","4","2","3","3","5","1","1") = "6"
    & skf21("7","4","2","3","3","5","2","1") = "6"
    & skf21("7","4","2","3","3","5","3","1") = "6"
    & skf21("7","4","2","3","3","5","4","1") = "6"
    & skf21("7","4","2","3","3","5","5","1") = "6"
    & skf21("7","4","2","3","3","5","6","1") = "6"
    & skf21("7","4","2","3","3","5","7","1") = "6"
    & skf21("7","4","2","3","3","6","1","1") = "6"
    & skf21("7","4","2","3","3","6","2","1") = "6"
    & skf21("7","4","2","3","3","6","3","1") = "6"
    & skf21("7","4","2","3","3","6","4","1") = "6"
    & skf21("7","4","2","3","3","6","5","1") = "6"
    & skf21("7","4","2","3","3","6","6","1") = "6"
    & skf21("7","4","2","3","3","6","7","1") = "6"
    & skf21("7","4","2","3","3","7","1","1") = "6"
    & skf21("7","4","2","3","3","7","2","1") = "6"
    & skf21("7","4","2","3","3","7","3","1") = "6"
    & skf21("7","4","2","3","3","7","4","1") = "6"
    & skf21("7","4","2","3","3","7","5","1") = "6"
    & skf21("7","4","2","3","3","7","6","1") = "6"
    & skf21("7","4","2","3","3","7","7","1") = "6"
    & skf21("7","4","2","3","4","1","1","1") = "6"
    & skf21("7","4","2","3","4","1","2","1") = "6"
    & skf21("7","4","2","3","4","1","3","1") = "6"
    & skf21("7","4","2","3","4","1","4","1") = "6"
    & skf21("7","4","2","3","4","1","5","1") = "6"
    & skf21("7","4","2","3","4","1","6","1") = "6"
    & skf21("7","4","2","3","4","1","7","1") = "6"
    & skf21("7","4","2","3","4","2","1","1") = "6"
    & skf21("7","4","2","3","4","2","2","1") = "6"
    & skf21("7","4","2","3","4","2","3","1") = "6"
    & skf21("7","4","2","3","4","2","4","1") = "6"
    & skf21("7","4","2","3","4","2","5","1") = "6"
    & skf21("7","4","2","3","4","2","6","1") = "6"
    & skf21("7","4","2","3","4","2","7","1") = "6"
    & skf21("7","4","2","3","4","3","1","1") = "6"
    & skf21("7","4","2","3","4","3","2","1") = "6"
    & skf21("7","4","2","3","4","3","3","1") = "6"
    & skf21("7","4","2","3","4","3","4","1") = "6"
    & skf21("7","4","2","3","4","3","5","1") = "6"
    & skf21("7","4","2","3","4","3","6","1") = "6"
    & skf21("7","4","2","3","4","3","7","1") = "6"
    & skf21("7","4","2","3","4","4","1","1") = "6"
    & skf21("7","4","2","3","4","4","2","1") = "6"
    & skf21("7","4","2","3","4","4","3","1") = "6"
    & skf21("7","4","2","3","4","4","4","1") = "6"
    & skf21("7","4","2","3","4","4","5","1") = "6"
    & skf21("7","4","2","3","4","4","6","1") = "6"
    & skf21("7","4","2","3","4","4","7","1") = "6"
    & skf21("7","4","2","3","4","5","1","1") = "6"
    & skf21("7","4","2","3","4","5","2","1") = "6"
    & skf21("7","4","2","3","4","5","3","1") = "6"
    & skf21("7","4","2","3","4","5","4","1") = "6"
    & skf21("7","4","2","3","4","5","5","1") = "6"
    & skf21("7","4","2","3","4","5","6","1") = "6"
    & skf21("7","4","2","3","4","5","7","1") = "6"
    & skf21("7","4","2","3","4","6","1","1") = "6"
    & skf21("7","4","2","3","4","6","2","1") = "6"
    & skf21("7","4","2","3","4","6","3","1") = "6"
    & skf21("7","4","2","3","4","6","4","1") = "6"
    & skf21("7","4","2","3","4","6","5","1") = "6"
    & skf21("7","4","2","3","4","6","6","1") = "6"
    & skf21("7","4","2","3","4","6","7","1") = "6"
    & skf21("7","4","2","3","4","7","1","1") = "6"
    & skf21("7","4","2","3","4","7","2","1") = "6"
    & skf21("7","4","2","3","4","7","3","1") = "6"
    & skf21("7","4","2","3","4","7","4","1") = "6"
    & skf21("7","4","2","3","4","7","5","1") = "6"
    & skf21("7","4","2","3","4","7","6","1") = "6"
    & skf21("7","4","2","3","4","7","7","1") = "6"
    & skf21("7","4","2","3","5","1","1","1") = "6"
    & skf21("7","4","2","3","5","1","2","1") = "6"
    & skf21("7","4","2","3","5","1","3","1") = "6"
    & skf21("7","4","2","3","5","1","4","1") = "6"
    & skf21("7","4","2","3","5","1","5","1") = "6"
    & skf21("7","4","2","3","5","1","6","1") = "6"
    & skf21("7","4","2","3","5","1","7","1") = "6"
    & skf21("7","4","2","3","5","2","1","1") = "6"
    & skf21("7","4","2","3","5","2","2","1") = "6"
    & skf21("7","4","2","3","5","2","3","1") = "6"
    & skf21("7","4","2","3","5","2","4","1") = "6"
    & skf21("7","4","2","3","5","2","5","1") = "6"
    & skf21("7","4","2","3","5","2","6","1") = "6"
    & skf21("7","4","2","3","5","2","7","1") = "6"
    & skf21("7","4","2","3","5","3","1","1") = "6"
    & skf21("7","4","2","3","5","3","2","1") = "6"
    & skf21("7","4","2","3","5","3","3","1") = "6"
    & skf21("7","4","2","3","5","3","4","1") = "6"
    & skf21("7","4","2","3","5","3","5","1") = "6"
    & skf21("7","4","2","3","5","3","6","1") = "6"
    & skf21("7","4","2","3","5","3","7","1") = "6"
    & skf21("7","4","2","3","5","4","1","1") = "6"
    & skf21("7","4","2","3","5","4","2","1") = "6"
    & skf21("7","4","2","3","5","4","3","1") = "6"
    & skf21("7","4","2","3","5","4","4","1") = "6"
    & skf21("7","4","2","3","5","4","5","1") = "6"
    & skf21("7","4","2","3","5","4","6","1") = "6"
    & skf21("7","4","2","3","5","4","7","1") = "6"
    & skf21("7","4","2","3","5","5","1","1") = "6"
    & skf21("7","4","2","3","5","5","2","1") = "6"
    & skf21("7","4","2","3","5","5","3","1") = "6"
    & skf21("7","4","2","3","5","5","4","1") = "6"
    & skf21("7","4","2","3","5","5","5","1") = "6"
    & skf21("7","4","2","3","5","5","6","1") = "6"
    & skf21("7","4","2","3","5","5","7","1") = "6"
    & skf21("7","4","2","3","5","6","1","1") = "6"
    & skf21("7","4","2","3","5","6","2","1") = "6"
    & skf21("7","4","2","3","5","6","3","1") = "6"
    & skf21("7","4","2","3","5","6","4","1") = "6"
    & skf21("7","4","2","3","5","6","5","1") = "6"
    & skf21("7","4","2","3","5","6","6","1") = "6"
    & skf21("7","4","2","3","5","6","7","1") = "6"
    & skf21("7","4","2","3","5","7","1","1") = "6"
    & skf21("7","4","2","3","5","7","2","1") = "6"
    & skf21("7","4","2","3","5","7","3","1") = "6"
    & skf21("7","4","2","3","5","7","4","1") = "6"
    & skf21("7","4","2","3","5","7","5","1") = "6"
    & skf21("7","4","2","3","5","7","6","1") = "6"
    & skf21("7","4","2","3","5","7","7","1") = "6"
    & skf21("7","4","2","3","6","1","1","1") = "6"
    & skf21("7","4","2","3","6","1","2","1") = "6"
    & skf21("7","4","2","3","6","1","3","1") = "6"
    & skf21("7","4","2","3","6","1","4","1") = "6"
    & skf21("7","4","2","3","6","1","5","1") = "6"
    & skf21("7","4","2","3","6","1","6","1") = "6"
    & skf21("7","4","2","3","6","1","7","1") = "6"
    & skf21("7","4","2","3","6","2","1","1") = "6"
    & skf21("7","4","2","3","6","2","2","1") = "6"
    & skf21("7","4","2","3","6","2","3","1") = "6"
    & skf21("7","4","2","3","6","2","4","1") = "6"
    & skf21("7","4","2","3","6","2","5","1") = "6"
    & skf21("7","4","2","3","6","2","6","1") = "6"
    & skf21("7","4","2","3","6","2","7","1") = "6"
    & skf21("7","4","2","3","6","3","1","1") = "6"
    & skf21("7","4","2","3","6","3","2","1") = "6"
    & skf21("7","4","2","3","6","3","3","1") = "6"
    & skf21("7","4","2","3","6","3","4","1") = "6"
    & skf21("7","4","2","3","6","3","5","1") = "6"
    & skf21("7","4","2","3","6","3","6","1") = "6"
    & skf21("7","4","2","3","6","3","7","1") = "6"
    & skf21("7","4","2","3","6","4","1","1") = "6"
    & skf21("7","4","2","3","6","4","2","1") = "6"
    & skf21("7","4","2","3","6","4","3","1") = "6"
    & skf21("7","4","2","3","6","4","4","1") = "6"
    & skf21("7","4","2","3","6","4","5","1") = "6"
    & skf21("7","4","2","3","6","4","6","1") = "6"
    & skf21("7","4","2","3","6","4","7","1") = "6"
    & skf21("7","4","2","3","6","5","1","1") = "6"
    & skf21("7","4","2","3","6","5","2","1") = "6"
    & skf21("7","4","2","3","6","5","3","1") = "6"
    & skf21("7","4","2","3","6","5","4","1") = "6"
    & skf21("7","4","2","3","6","5","5","1") = "6"
    & skf21("7","4","2","3","6","5","6","1") = "6"
    & skf21("7","4","2","3","6","5","7","1") = "6"
    & skf21("7","4","2","3","6","6","1","1") = "6"
    & skf21("7","4","2","3","6","6","2","1") = "6"
    & skf21("7","4","2","3","6","6","3","1") = "6"
    & skf21("7","4","2","3","6","6","4","1") = "6"
    & skf21("7","4","2","3","6","6","5","1") = "6"
    & skf21("7","4","2","3","6","6","6","1") = "6"
    & skf21("7","4","2","3","6","6","7","1") = "6"
    & skf21("7","4","2","3","6","7","1","1") = "6"
    & skf21("7","4","2","3","6","7","2","1") = "6"
    & skf21("7","4","2","3","6","7","3","1") = "6"
    & skf21("7","4","2","3","6","7","4","1") = "6"
    & skf21("7","4","2","3","6","7","5","1") = "6"
    & skf21("7","4","2","3","6","7","6","1") = "6"
    & skf21("7","4","2","3","6","7","7","1") = "6"
    & skf21("7","4","2","3","7","1","1","1") = "6"
    & skf21("7","4","2","3","7","1","2","1") = "6"
    & skf21("7","4","2","3","7","1","3","1") = "6"
    & skf21("7","4","2","3","7","1","4","1") = "6"
    & skf21("7","4","2","3","7","1","5","1") = "6"
    & skf21("7","4","2","3","7","1","6","1") = "6"
    & skf21("7","4","2","3","7","1","7","1") = "6"
    & skf21("7","4","2","3","7","2","1","1") = "6"
    & skf21("7","4","2","3","7","2","2","1") = "6"
    & skf21("7","4","2","3","7","2","3","1") = "6"
    & skf21("7","4","2","3","7","2","4","1") = "6"
    & skf21("7","4","2","3","7","2","5","1") = "6"
    & skf21("7","4","2","3","7","2","6","1") = "6"
    & skf21("7","4","2","3","7","2","7","1") = "6"
    & skf21("7","4","2","3","7","3","1","1") = "6"
    & skf21("7","4","2","3","7","3","2","1") = "6"
    & skf21("7","4","2","3","7","3","3","1") = "6"
    & skf21("7","4","2","3","7","3","4","1") = "6"
    & skf21("7","4","2","3","7","3","5","1") = "6"
    & skf21("7","4","2","3","7","3","6","1") = "6"
    & skf21("7","4","2","3","7","3","7","1") = "6"
    & skf21("7","4","2","3","7","4","1","1") = "6"
    & skf21("7","4","2","3","7","4","2","1") = "6"
    & skf21("7","4","2","3","7","4","3","1") = "6"
    & skf21("7","4","2","3","7","4","4","1") = "6"
    & skf21("7","4","2","3","7","4","5","1") = "6"
    & skf21("7","4","2","3","7","4","6","1") = "6"
    & skf21("7","4","2","3","7","4","7","1") = "6"
    & skf21("7","4","2","3","7","5","1","1") = "6"
    & skf21("7","4","2","3","7","5","2","1") = "6"
    & skf21("7","4","2","3","7","5","3","1") = "6"
    & skf21("7","4","2","3","7","5","4","1") = "6"
    & skf21("7","4","2","3","7","5","5","1") = "6"
    & skf21("7","4","2","3","7","5","6","1") = "6"
    & skf21("7","4","2","3","7","5","7","1") = "6"
    & skf21("7","4","2","3","7","6","1","1") = "6"
    & skf21("7","4","2","3","7","6","2","1") = "6"
    & skf21("7","4","2","3","7","6","3","1") = "6"
    & skf21("7","4","2","3","7","6","4","1") = "6"
    & skf21("7","4","2","3","7","6","5","1") = "6"
    & skf21("7","4","2","3","7","6","6","1") = "6"
    & skf21("7","4","2","3","7","6","7","1") = "6"
    & skf21("7","4","2","3","7","7","1","1") = "6"
    & skf21("7","4","2","3","7","7","2","1") = "6"
    & skf21("7","4","2","3","7","7","3","1") = "6"
    & skf21("7","4","2","3","7","7","4","1") = "6"
    & skf21("7","4","2","3","7","7","5","1") = "6"
    & skf21("7","4","2","3","7","7","6","1") = "6"
    & skf21("7","4","2","3","7","7","7","1") = "6"
    & skf21("7","4","2","4","1","1","1","1") = "6"
    & skf21("7","4","2","4","1","1","2","1") = "6"
    & skf21("7","4","2","4","1","1","3","1") = "6"
    & skf21("7","4","2","4","1","1","4","1") = "6"
    & skf21("7","4","2","4","1","1","5","1") = "6"
    & skf21("7","4","2","4","1","1","6","1") = "6"
    & skf21("7","4","2","4","1","1","7","1") = "6"
    & skf21("7","4","2","4","1","2","1","1") = "6"
    & skf21("7","4","2","4","1","2","2","1") = "6"
    & skf21("7","4","2","4","1","2","3","1") = "6"
    & skf21("7","4","2","4","1","2","4","1") = "6"
    & skf21("7","4","2","4","1","2","5","1") = "6"
    & skf21("7","4","2","4","1","2","6","1") = "6"
    & skf21("7","4","2","4","1","2","7","1") = "6"
    & skf21("7","4","2","4","1","3","1","1") = "6"
    & skf21("7","4","2","4","1","3","2","1") = "6"
    & skf21("7","4","2","4","1","3","3","1") = "6"
    & skf21("7","4","2","4","1","3","4","1") = "6"
    & skf21("7","4","2","4","1","3","5","1") = "6"
    & skf21("7","4","2","4","1","3","6","1") = "6"
    & skf21("7","4","2","4","1","3","7","1") = "6"
    & skf21("7","4","2","4","1","4","1","1") = "6"
    & skf21("7","4","2","4","1","4","2","1") = "6"
    & skf21("7","4","2","4","1","4","3","1") = "6"
    & skf21("7","4","2","4","1","4","4","1") = "6"
    & skf21("7","4","2","4","1","4","5","1") = "6"
    & skf21("7","4","2","4","1","4","6","1") = "6"
    & skf21("7","4","2","4","1","4","7","1") = "6"
    & skf21("7","4","2","4","1","5","1","1") = "6"
    & skf21("7","4","2","4","1","5","2","1") = "6"
    & skf21("7","4","2","4","1","5","3","1") = "6"
    & skf21("7","4","2","4","1","5","4","1") = "6"
    & skf21("7","4","2","4","1","5","5","1") = "6"
    & skf21("7","4","2","4","1","5","6","1") = "6"
    & skf21("7","4","2","4","1","5","7","1") = "6"
    & skf21("7","4","2","4","1","6","1","1") = "6"
    & skf21("7","4","2","4","1","6","2","1") = "6"
    & skf21("7","4","2","4","1","6","3","1") = "6"
    & skf21("7","4","2","4","1","6","4","1") = "6"
    & skf21("7","4","2","4","1","6","5","1") = "6"
    & skf21("7","4","2","4","1","6","6","1") = "6"
    & skf21("7","4","2","4","1","6","7","1") = "6"
    & skf21("7","4","2","4","1","7","1","1") = "6"
    & skf21("7","4","2","4","1","7","2","1") = "6"
    & skf21("7","4","2","4","1","7","3","1") = "6"
    & skf21("7","4","2","4","1","7","4","1") = "6"
    & skf21("7","4","2","4","1","7","5","1") = "6"
    & skf21("7","4","2","4","1","7","6","1") = "6"
    & skf21("7","4","2","4","1","7","7","1") = "6"
    & skf21("7","4","2","4","2","1","1","1") = "6"
    & skf21("7","4","2","4","2","1","2","1") = "6"
    & skf21("7","4","2","4","2","1","3","1") = "6"
    & skf21("7","4","2","4","2","1","4","1") = "6"
    & skf21("7","4","2","4","2","1","5","1") = "6"
    & skf21("7","4","2","4","2","1","6","1") = "6"
    & skf21("7","4","2","4","2","1","7","1") = "6"
    & skf21("7","4","2","4","2","2","1","1") = "6"
    & skf21("7","4","2","4","2","2","2","1") = "6"
    & skf21("7","4","2","4","2","2","3","1") = "6"
    & skf21("7","4","2","4","2","2","4","1") = "6"
    & skf21("7","4","2","4","2","2","5","1") = "6"
    & skf21("7","4","2","4","2","2","6","1") = "6"
    & skf21("7","4","2","4","2","2","7","1") = "6"
    & skf21("7","4","2","4","2","3","1","1") = "6"
    & skf21("7","4","2","4","2","3","2","1") = "6"
    & skf21("7","4","2","4","2","3","3","1") = "6"
    & skf21("7","4","2","4","2","3","4","1") = "6"
    & skf21("7","4","2","4","2","3","5","1") = "6"
    & skf21("7","4","2","4","2","3","6","1") = "6"
    & skf21("7","4","2","4","2","3","7","1") = "6"
    & skf21("7","4","2","4","2","4","1","1") = "6"
    & skf21("7","4","2","4","2","4","2","1") = "6"
    & skf21("7","4","2","4","2","4","3","1") = "6"
    & skf21("7","4","2","4","2","4","4","1") = "6"
    & skf21("7","4","2","4","2","4","5","1") = "6"
    & skf21("7","4","2","4","2","4","6","1") = "6"
    & skf21("7","4","2","4","2","4","7","1") = "6"
    & skf21("7","4","2","4","2","5","1","1") = "6"
    & skf21("7","4","2","4","2","5","2","1") = "6"
    & skf21("7","4","2","4","2","5","3","1") = "6"
    & skf21("7","4","2","4","2","5","4","1") = "6"
    & skf21("7","4","2","4","2","5","5","1") = "6"
    & skf21("7","4","2","4","2","5","6","1") = "6"
    & skf21("7","4","2","4","2","5","7","1") = "6"
    & skf21("7","4","2","4","2","6","1","1") = "6"
    & skf21("7","4","2","4","2","6","2","1") = "6"
    & skf21("7","4","2","4","2","6","3","1") = "6"
    & skf21("7","4","2","4","2","6","4","1") = "6"
    & skf21("7","4","2","4","2","6","5","1") = "6"
    & skf21("7","4","2","4","2","6","6","1") = "6"
    & skf21("7","4","2","4","2","6","7","1") = "6"
    & skf21("7","4","2","4","2","7","1","1") = "6"
    & skf21("7","4","2","4","2","7","2","1") = "6"
    & skf21("7","4","2","4","2","7","3","1") = "6"
    & skf21("7","4","2","4","2","7","4","1") = "6"
    & skf21("7","4","2","4","2","7","5","1") = "6"
    & skf21("7","4","2","4","2","7","6","1") = "6"
    & skf21("7","4","2","4","2","7","7","1") = "6"
    & skf21("7","4","2","4","3","1","1","1") = "6"
    & skf21("7","4","2","4","3","1","2","1") = "6"
    & skf21("7","4","2","4","3","1","3","1") = "6"
    & skf21("7","4","2","4","3","1","4","1") = "6"
    & skf21("7","4","2","4","3","1","5","1") = "6"
    & skf21("7","4","2","4","3","1","6","1") = "6"
    & skf21("7","4","2","4","3","1","7","1") = "6"
    & skf21("7","4","2","4","3","2","1","1") = "6"
    & skf21("7","4","2","4","3","2","2","1") = "6"
    & skf21("7","4","2","4","3","2","3","1") = "6"
    & skf21("7","4","2","4","3","2","4","1") = "6"
    & skf21("7","4","2","4","3","2","5","1") = "6"
    & skf21("7","4","2","4","3","2","6","1") = "6"
    & skf21("7","4","2","4","3","2","7","1") = "6"
    & skf21("7","4","2","4","3","3","1","1") = "6"
    & skf21("7","4","2","4","3","3","2","1") = "6"
    & skf21("7","4","2","4","3","3","3","1") = "6"
    & skf21("7","4","2","4","3","3","4","1") = "6"
    & skf21("7","4","2","4","3","3","5","1") = "6"
    & skf21("7","4","2","4","3","3","6","1") = "6"
    & skf21("7","4","2","4","3","3","7","1") = "6"
    & skf21("7","4","2","4","3","4","1","1") = "6"
    & skf21("7","4","2","4","3","4","2","1") = "6"
    & skf21("7","4","2","4","3","4","3","1") = "6"
    & skf21("7","4","2","4","3","4","4","1") = "6"
    & skf21("7","4","2","4","3","4","5","1") = "6"
    & skf21("7","4","2","4","3","4","6","1") = "6"
    & skf21("7","4","2","4","3","4","7","1") = "6"
    & skf21("7","4","2","4","3","5","1","1") = "6"
    & skf21("7","4","2","4","3","5","2","1") = "6"
    & skf21("7","4","2","4","3","5","3","1") = "6"
    & skf21("7","4","2","4","3","5","4","1") = "6"
    & skf21("7","4","2","4","3","5","5","1") = "6"
    & skf21("7","4","2","4","3","5","6","1") = "6"
    & skf21("7","4","2","4","3","5","7","1") = "6"
    & skf21("7","4","2","4","3","6","1","1") = "6"
    & skf21("7","4","2","4","3","6","2","1") = "6"
    & skf21("7","4","2","4","3","6","3","1") = "6"
    & skf21("7","4","2","4","3","6","4","1") = "6"
    & skf21("7","4","2","4","3","6","5","1") = "6"
    & skf21("7","4","2","4","3","6","6","1") = "6"
    & skf21("7","4","2","4","3","6","7","1") = "6"
    & skf21("7","4","2","4","3","7","1","1") = "6"
    & skf21("7","4","2","4","3","7","2","1") = "6"
    & skf21("7","4","2","4","3","7","3","1") = "6"
    & skf21("7","4","2","4","3","7","4","1") = "6"
    & skf21("7","4","2","4","3","7","5","1") = "6"
    & skf21("7","4","2","4","3","7","6","1") = "6"
    & skf21("7","4","2","4","3","7","7","1") = "6"
    & skf21("7","4","2","4","4","1","1","1") = "6"
    & skf21("7","4","2","4","4","1","2","1") = "6"
    & skf21("7","4","2","4","4","1","3","1") = "6"
    & skf21("7","4","2","4","4","1","4","1") = "6"
    & skf21("7","4","2","4","4","1","5","1") = "6"
    & skf21("7","4","2","4","4","1","6","1") = "6"
    & skf21("7","4","2","4","4","1","7","1") = "6"
    & skf21("7","4","2","4","4","2","1","1") = "6"
    & skf21("7","4","2","4","4","2","2","1") = "6"
    & skf21("7","4","2","4","4","2","3","1") = "6"
    & skf21("7","4","2","4","4","2","4","1") = "6"
    & skf21("7","4","2","4","4","2","5","1") = "6"
    & skf21("7","4","2","4","4","2","6","1") = "6"
    & skf21("7","4","2","4","4","2","7","1") = "6"
    & skf21("7","4","2","4","4","3","1","1") = "6"
    & skf21("7","4","2","4","4","3","2","1") = "6"
    & skf21("7","4","2","4","4","3","3","1") = "6"
    & skf21("7","4","2","4","4","3","4","1") = "6"
    & skf21("7","4","2","4","4","3","5","1") = "6"
    & skf21("7","4","2","4","4","3","6","1") = "6"
    & skf21("7","4","2","4","4","3","7","1") = "6"
    & skf21("7","4","2","4","4","4","1","1") = "6"
    & skf21("7","4","2","4","4","4","2","1") = "6"
    & skf21("7","4","2","4","4","4","3","1") = "6"
    & skf21("7","4","2","4","4","4","4","1") = "6"
    & skf21("7","4","2","4","4","4","5","1") = "6"
    & skf21("7","4","2","4","4","4","6","1") = "6"
    & skf21("7","4","2","4","4","4","7","1") = "6"
    & skf21("7","4","2","4","4","5","1","1") = "6"
    & skf21("7","4","2","4","4","5","2","1") = "6"
    & skf21("7","4","2","4","4","5","3","1") = "6"
    & skf21("7","4","2","4","4","5","4","1") = "6"
    & skf21("7","4","2","4","4","5","5","1") = "6"
    & skf21("7","4","2","4","4","5","6","1") = "6"
    & skf21("7","4","2","4","4","5","7","1") = "6"
    & skf21("7","4","2","4","4","6","1","1") = "6"
    & skf21("7","4","2","4","4","6","2","1") = "6"
    & skf21("7","4","2","4","4","6","3","1") = "6"
    & skf21("7","4","2","4","4","6","4","1") = "6"
    & skf21("7","4","2","4","4","6","5","1") = "6"
    & skf21("7","4","2","4","4","6","6","1") = "6"
    & skf21("7","4","2","4","4","6","7","1") = "6"
    & skf21("7","4","2","4","4","7","1","1") = "6"
    & skf21("7","4","2","4","4","7","2","1") = "6"
    & skf21("7","4","2","4","4","7","3","1") = "6"
    & skf21("7","4","2","4","4","7","4","1") = "6"
    & skf21("7","4","2","4","4","7","5","1") = "6"
    & skf21("7","4","2","4","4","7","6","1") = "6"
    & skf21("7","4","2","4","4","7","7","1") = "6"
    & skf21("7","4","2","4","5","1","1","1") = "6"
    & skf21("7","4","2","4","5","1","2","1") = "6"
    & skf21("7","4","2","4","5","1","3","1") = "6"
    & skf21("7","4","2","4","5","1","4","1") = "6"
    & skf21("7","4","2","4","5","1","5","1") = "6"
    & skf21("7","4","2","4","5","1","6","1") = "6"
    & skf21("7","4","2","4","5","1","7","1") = "6"
    & skf21("7","4","2","4","5","2","1","1") = "6"
    & skf21("7","4","2","4","5","2","2","1") = "6"
    & skf21("7","4","2","4","5","2","3","1") = "6"
    & skf21("7","4","2","4","5","2","4","1") = "6"
    & skf21("7","4","2","4","5","2","5","1") = "6"
    & skf21("7","4","2","4","5","2","6","1") = "6"
    & skf21("7","4","2","4","5","2","7","1") = "6"
    & skf21("7","4","2","4","5","3","1","1") = "6"
    & skf21("7","4","2","4","5","3","2","1") = "6"
    & skf21("7","4","2","4","5","3","3","1") = "6"
    & skf21("7","4","2","4","5","3","4","1") = "6"
    & skf21("7","4","2","4","5","3","5","1") = "6"
    & skf21("7","4","2","4","5","3","6","1") = "6"
    & skf21("7","4","2","4","5","3","7","1") = "6"
    & skf21("7","4","2","4","5","4","1","1") = "6"
    & skf21("7","4","2","4","5","4","2","1") = "6"
    & skf21("7","4","2","4","5","4","3","1") = "6"
    & skf21("7","4","2","4","5","4","4","1") = "6"
    & skf21("7","4","2","4","5","4","5","1") = "6"
    & skf21("7","4","2","4","5","4","6","1") = "6"
    & skf21("7","4","2","4","5","4","7","1") = "6"
    & skf21("7","4","2","4","5","5","1","1") = "6"
    & skf21("7","4","2","4","5","5","2","1") = "6"
    & skf21("7","4","2","4","5","5","3","1") = "6"
    & skf21("7","4","2","4","5","5","4","1") = "6"
    & skf21("7","4","2","4","5","5","5","1") = "6"
    & skf21("7","4","2","4","5","5","6","1") = "6"
    & skf21("7","4","2","4","5","5","7","1") = "6"
    & skf21("7","4","2","4","5","6","1","1") = "6"
    & skf21("7","4","2","4","5","6","2","1") = "6"
    & skf21("7","4","2","4","5","6","3","1") = "6"
    & skf21("7","4","2","4","5","6","4","1") = "6"
    & skf21("7","4","2","4","5","6","5","1") = "6"
    & skf21("7","4","2","4","5","6","6","1") = "6"
    & skf21("7","4","2","4","5","6","7","1") = "6"
    & skf21("7","4","2","4","5","7","1","1") = "6"
    & skf21("7","4","2","4","5","7","2","1") = "6"
    & skf21("7","4","2","4","5","7","3","1") = "6"
    & skf21("7","4","2","4","5","7","4","1") = "6"
    & skf21("7","4","2","4","5","7","5","1") = "6"
    & skf21("7","4","2","4","5","7","6","1") = "6"
    & skf21("7","4","2","4","5","7","7","1") = "6"
    & skf21("7","4","2","4","6","1","1","1") = "6"
    & skf21("7","4","2","4","6","1","2","1") = "6"
    & skf21("7","4","2","4","6","1","3","1") = "6"
    & skf21("7","4","2","4","6","1","4","1") = "6"
    & skf21("7","4","2","4","6","1","5","1") = "6"
    & skf21("7","4","2","4","6","1","6","1") = "6"
    & skf21("7","4","2","4","6","1","7","1") = "6"
    & skf21("7","4","2","4","6","2","1","1") = "6"
    & skf21("7","4","2","4","6","2","2","1") = "6"
    & skf21("7","4","2","4","6","2","3","1") = "6"
    & skf21("7","4","2","4","6","2","4","1") = "6"
    & skf21("7","4","2","4","6","2","5","1") = "6"
    & skf21("7","4","2","4","6","2","6","1") = "6"
    & skf21("7","4","2","4","6","2","7","1") = "6"
    & skf21("7","4","2","4","6","3","1","1") = "6"
    & skf21("7","4","2","4","6","3","2","1") = "6"
    & skf21("7","4","2","4","6","3","3","1") = "6"
    & skf21("7","4","2","4","6","3","4","1") = "6"
    & skf21("7","4","2","4","6","3","5","1") = "6"
    & skf21("7","4","2","4","6","3","6","1") = "6"
    & skf21("7","4","2","4","6","3","7","1") = "6"
    & skf21("7","4","2","4","6","4","1","1") = "6"
    & skf21("7","4","2","4","6","4","2","1") = "6"
    & skf21("7","4","2","4","6","4","3","1") = "6"
    & skf21("7","4","2","4","6","4","4","1") = "6"
    & skf21("7","4","2","4","6","4","5","1") = "6"
    & skf21("7","4","2","4","6","4","6","1") = "6"
    & skf21("7","4","2","4","6","4","7","1") = "6"
    & skf21("7","4","2","4","6","5","1","1") = "6"
    & skf21("7","4","2","4","6","5","2","1") = "6"
    & skf21("7","4","2","4","6","5","3","1") = "6"
    & skf21("7","4","2","4","6","5","4","1") = "6"
    & skf21("7","4","2","4","6","5","5","1") = "6"
    & skf21("7","4","2","4","6","5","6","1") = "6"
    & skf21("7","4","2","4","6","5","7","1") = "6"
    & skf21("7","4","2","4","6","6","1","1") = "6"
    & skf21("7","4","2","4","6","6","2","1") = "6"
    & skf21("7","4","2","4","6","6","3","1") = "6"
    & skf21("7","4","2","4","6","6","4","1") = "6"
    & skf21("7","4","2","4","6","6","5","1") = "6"
    & skf21("7","4","2","4","6","6","6","1") = "6"
    & skf21("7","4","2","4","6","6","7","1") = "6"
    & skf21("7","4","2","4","6","7","1","1") = "6"
    & skf21("7","4","2","4","6","7","2","1") = "6"
    & skf21("7","4","2","4","6","7","3","1") = "6"
    & skf21("7","4","2","4","6","7","4","1") = "6"
    & skf21("7","4","2","4","6","7","5","1") = "6"
    & skf21("7","4","2","4","6","7","6","1") = "6"
    & skf21("7","4","2","4","6","7","7","1") = "6"
    & skf21("7","4","2","4","7","1","1","1") = "6"
    & skf21("7","4","2","4","7","1","2","1") = "6"
    & skf21("7","4","2","4","7","1","3","1") = "6"
    & skf21("7","4","2","4","7","1","4","1") = "6"
    & skf21("7","4","2","4","7","1","5","1") = "6"
    & skf21("7","4","2","4","7","1","6","1") = "6"
    & skf21("7","4","2","4","7","1","7","1") = "6"
    & skf21("7","4","2","4","7","2","1","1") = "6"
    & skf21("7","4","2","4","7","2","2","1") = "6"
    & skf21("7","4","2","4","7","2","3","1") = "6"
    & skf21("7","4","2","4","7","2","4","1") = "6"
    & skf21("7","4","2","4","7","2","5","1") = "6"
    & skf21("7","4","2","4","7","2","6","1") = "6"
    & skf21("7","4","2","4","7","2","7","1") = "6"
    & skf21("7","4","2","4","7","3","1","1") = "6"
    & skf21("7","4","2","4","7","3","2","1") = "6"
    & skf21("7","4","2","4","7","3","3","1") = "6"
    & skf21("7","4","2","4","7","3","4","1") = "6"
    & skf21("7","4","2","4","7","3","5","1") = "6"
    & skf21("7","4","2","4","7","3","6","1") = "6"
    & skf21("7","4","2","4","7","3","7","1") = "6"
    & skf21("7","4","2","4","7","4","1","1") = "6"
    & skf21("7","4","2","4","7","4","2","1") = "6"
    & skf21("7","4","2","4","7","4","3","1") = "6"
    & skf21("7","4","2","4","7","4","4","1") = "6"
    & skf21("7","4","2","4","7","4","5","1") = "6"
    & skf21("7","4","2","4","7","4","6","1") = "6"
    & skf21("7","4","2","4","7","4","7","1") = "6"
    & skf21("7","4","2","4","7","5","1","1") = "6"
    & skf21("7","4","2","4","7","5","2","1") = "6"
    & skf21("7","4","2","4","7","5","3","1") = "6"
    & skf21("7","4","2","4","7","5","4","1") = "6"
    & skf21("7","4","2","4","7","5","5","1") = "6"
    & skf21("7","4","2","4","7","5","6","1") = "6"
    & skf21("7","4","2","4","7","5","7","1") = "6"
    & skf21("7","4","2","4","7","6","1","1") = "6"
    & skf21("7","4","2","4","7","6","2","1") = "6"
    & skf21("7","4","2","4","7","6","3","1") = "6"
    & skf21("7","4","2","4","7","6","4","1") = "6"
    & skf21("7","4","2","4","7","6","5","1") = "6"
    & skf21("7","4","2","4","7","6","6","1") = "6"
    & skf21("7","4","2","4","7","6","7","1") = "6"
    & skf21("7","4","2","4","7","7","1","1") = "6"
    & skf21("7","4","2","4","7","7","2","1") = "6"
    & skf21("7","4","2","4","7","7","3","1") = "6"
    & skf21("7","4","2","4","7","7","4","1") = "6"
    & skf21("7","4","2","4","7","7","5","1") = "6"
    & skf21("7","4","2","4","7","7","6","1") = "6"
    & skf21("7","4","2","4","7","7","7","1") = "6"
    & skf21("7","4","2","5","1","1","1","1") = "6"
    & skf21("7","4","2","5","1","1","2","1") = "6"
    & skf21("7","4","2","5","1","1","3","1") = "6"
    & skf21("7","4","2","5","1","1","4","1") = "6"
    & skf21("7","4","2","5","1","1","5","1") = "6"
    & skf21("7","4","2","5","1","1","6","1") = "6"
    & skf21("7","4","2","5","1","1","7","1") = "6"
    & skf21("7","4","2","5","1","2","1","1") = "6"
    & skf21("7","4","2","5","1","2","2","1") = "6"
    & skf21("7","4","2","5","1","2","3","1") = "6"
    & skf21("7","4","2","5","1","2","4","1") = "6"
    & skf21("7","4","2","5","1","2","5","1") = "6"
    & skf21("7","4","2","5","1","2","6","1") = "6"
    & skf21("7","4","2","5","1","2","7","1") = "6"
    & skf21("7","4","2","5","1","3","1","1") = "6"
    & skf21("7","4","2","5","1","3","2","1") = "6"
    & skf21("7","4","2","5","1","3","3","1") = "6"
    & skf21("7","4","2","5","1","3","4","1") = "6"
    & skf21("7","4","2","5","1","3","5","1") = "6"
    & skf21("7","4","2","5","1","3","6","1") = "6"
    & skf21("7","4","2","5","1","3","7","1") = "6"
    & skf21("7","4","2","5","1","4","1","1") = "6"
    & skf21("7","4","2","5","1","4","2","1") = "6"
    & skf21("7","4","2","5","1","4","3","1") = "6"
    & skf21("7","4","2","5","1","4","4","1") = "6"
    & skf21("7","4","2","5","1","4","5","1") = "6"
    & skf21("7","4","2","5","1","4","6","1") = "6"
    & skf21("7","4","2","5","1","4","7","1") = "6"
    & skf21("7","4","2","5","1","5","1","1") = "6"
    & skf21("7","4","2","5","1","5","2","1") = "6"
    & skf21("7","4","2","5","1","5","3","1") = "6"
    & skf21("7","4","2","5","1","5","4","1") = "6"
    & skf21("7","4","2","5","1","5","5","1") = "6"
    & skf21("7","4","2","5","1","5","6","1") = "6"
    & skf21("7","4","2","5","1","5","7","1") = "6"
    & skf21("7","4","2","5","1","6","1","1") = "6"
    & skf21("7","4","2","5","1","6","2","1") = "6"
    & skf21("7","4","2","5","1","6","3","1") = "6"
    & skf21("7","4","2","5","1","6","4","1") = "6"
    & skf21("7","4","2","5","1","6","5","1") = "6"
    & skf21("7","4","2","5","1","6","6","1") = "6"
    & skf21("7","4","2","5","1","6","7","1") = "6"
    & skf21("7","4","2","5","1","7","1","1") = "6"
    & skf21("7","4","2","5","1","7","2","1") = "6"
    & skf21("7","4","2","5","1","7","3","1") = "6"
    & skf21("7","4","2","5","1","7","4","1") = "6"
    & skf21("7","4","2","5","1","7","5","1") = "6"
    & skf21("7","4","2","5","1","7","6","1") = "6"
    & skf21("7","4","2","5","1","7","7","1") = "6"
    & skf21("7","4","2","5","2","1","1","1") = "6"
    & skf21("7","4","2","5","2","1","2","1") = "6"
    & skf21("7","4","2","5","2","1","3","1") = "6"
    & skf21("7","4","2","5","2","1","4","1") = "6"
    & skf21("7","4","2","5","2","1","5","1") = "6"
    & skf21("7","4","2","5","2","1","6","1") = "6"
    & skf21("7","4","2","5","2","1","7","1") = "6"
    & skf21("7","4","2","5","2","2","1","1") = "6"
    & skf21("7","4","2","5","2","2","2","1") = "6"
    & skf21("7","4","2","5","2","2","3","1") = "6"
    & skf21("7","4","2","5","2","2","4","1") = "6"
    & skf21("7","4","2","5","2","2","5","1") = "6"
    & skf21("7","4","2","5","2","2","6","1") = "6"
    & skf21("7","4","2","5","2","2","7","1") = "6"
    & skf21("7","4","2","5","2","3","1","1") = "6"
    & skf21("7","4","2","5","2","3","2","1") = "6"
    & skf21("7","4","2","5","2","3","3","1") = "6"
    & skf21("7","4","2","5","2","3","4","1") = "6"
    & skf21("7","4","2","5","2","3","5","1") = "6"
    & skf21("7","4","2","5","2","3","6","1") = "6"
    & skf21("7","4","2","5","2","3","7","1") = "6"
    & skf21("7","4","2","5","2","4","1","1") = "6"
    & skf21("7","4","2","5","2","4","2","1") = "6"
    & skf21("7","4","2","5","2","4","3","1") = "6"
    & skf21("7","4","2","5","2","4","4","1") = "6"
    & skf21("7","4","2","5","2","4","5","1") = "6"
    & skf21("7","4","2","5","2","4","6","1") = "6"
    & skf21("7","4","2","5","2","4","7","1") = "6"
    & skf21("7","4","2","5","2","5","1","1") = "6"
    & skf21("7","4","2","5","2","5","2","1") = "6"
    & skf21("7","4","2","5","2","5","3","1") = "6"
    & skf21("7","4","2","5","2","5","4","1") = "6"
    & skf21("7","4","2","5","2","5","5","1") = "6"
    & skf21("7","4","2","5","2","5","6","1") = "6"
    & skf21("7","4","2","5","2","5","7","1") = "6"
    & skf21("7","4","2","5","2","6","1","1") = "6"
    & skf21("7","4","2","5","2","6","2","1") = "6"
    & skf21("7","4","2","5","2","6","3","1") = "6"
    & skf21("7","4","2","5","2","6","4","1") = "6"
    & skf21("7","4","2","5","2","6","5","1") = "6"
    & skf21("7","4","2","5","2","6","6","1") = "6"
    & skf21("7","4","2","5","2","6","7","1") = "6"
    & skf21("7","4","2","5","2","7","1","1") = "6"
    & skf21("7","4","2","5","2","7","2","1") = "6"
    & skf21("7","4","2","5","2","7","3","1") = "6"
    & skf21("7","4","2","5","2","7","4","1") = "6"
    & skf21("7","4","2","5","2","7","5","1") = "6"
    & skf21("7","4","2","5","2","7","6","1") = "6"
    & skf21("7","4","2","5","2","7","7","1") = "6"
    & skf21("7","4","2","5","3","1","1","1") = "6"
    & skf21("7","4","2","5","3","1","2","1") = "6"
    & skf21("7","4","2","5","3","1","3","1") = "6"
    & skf21("7","4","2","5","3","1","4","1") = "6"
    & skf21("7","4","2","5","3","1","5","1") = "6"
    & skf21("7","4","2","5","3","1","6","1") = "6"
    & skf21("7","4","2","5","3","1","7","1") = "6"
    & skf21("7","4","2","5","3","2","1","1") = "6"
    & skf21("7","4","2","5","3","2","2","1") = "6"
    & skf21("7","4","2","5","3","2","3","1") = "6"
    & skf21("7","4","2","5","3","2","4","1") = "6"
    & skf21("7","4","2","5","3","2","5","1") = "6"
    & skf21("7","4","2","5","3","2","6","1") = "6"
    & skf21("7","4","2","5","3","2","7","1") = "6"
    & skf21("7","4","2","5","3","3","1","1") = "6"
    & skf21("7","4","2","5","3","3","2","1") = "6"
    & skf21("7","4","2","5","3","3","3","1") = "6"
    & skf21("7","4","2","5","3","3","4","1") = "6"
    & skf21("7","4","2","5","3","3","5","1") = "6"
    & skf21("7","4","2","5","3","3","6","1") = "6"
    & skf21("7","4","2","5","3","3","7","1") = "6"
    & skf21("7","4","2","5","3","4","1","1") = "6"
    & skf21("7","4","2","5","3","4","2","1") = "6"
    & skf21("7","4","2","5","3","4","3","1") = "6"
    & skf21("7","4","2","5","3","4","4","1") = "6"
    & skf21("7","4","2","5","3","4","5","1") = "6"
    & skf21("7","4","2","5","3","4","6","1") = "6"
    & skf21("7","4","2","5","3","4","7","1") = "6"
    & skf21("7","4","2","5","3","5","1","1") = "6"
    & skf21("7","4","2","5","3","5","2","1") = "6"
    & skf21("7","4","2","5","3","5","3","1") = "6"
    & skf21("7","4","2","5","3","5","4","1") = "6"
    & skf21("7","4","2","5","3","5","5","1") = "6"
    & skf21("7","4","2","5","3","5","6","1") = "6"
    & skf21("7","4","2","5","3","5","7","1") = "6"
    & skf21("7","4","2","5","3","6","1","1") = "6"
    & skf21("7","4","2","5","3","6","2","1") = "6"
    & skf21("7","4","2","5","3","6","3","1") = "6"
    & skf21("7","4","2","5","3","6","4","1") = "6"
    & skf21("7","4","2","5","3","6","5","1") = "6"
    & skf21("7","4","2","5","3","6","6","1") = "6"
    & skf21("7","4","2","5","3","6","7","1") = "6"
    & skf21("7","4","2","5","3","7","1","1") = "6"
    & skf21("7","4","2","5","3","7","2","1") = "6"
    & skf21("7","4","2","5","3","7","3","1") = "6"
    & skf21("7","4","2","5","3","7","4","1") = "6"
    & skf21("7","4","2","5","3","7","5","1") = "6"
    & skf21("7","4","2","5","3","7","6","1") = "6"
    & skf21("7","4","2","5","3","7","7","1") = "6"
    & skf21("7","4","2","5","4","1","1","1") = "6"
    & skf21("7","4","2","5","4","1","2","1") = "6"
    & skf21("7","4","2","5","4","1","3","1") = "6"
    & skf21("7","4","2","5","4","1","4","1") = "6"
    & skf21("7","4","2","5","4","1","5","1") = "6"
    & skf21("7","4","2","5","4","1","6","1") = "6"
    & skf21("7","4","2","5","4","1","7","1") = "6"
    & skf21("7","4","2","5","4","2","1","1") = "6"
    & skf21("7","4","2","5","4","2","2","1") = "6"
    & skf21("7","4","2","5","4","2","3","1") = "6"
    & skf21("7","4","2","5","4","2","4","1") = "6"
    & skf21("7","4","2","5","4","2","5","1") = "6"
    & skf21("7","4","2","5","4","2","6","1") = "6"
    & skf21("7","4","2","5","4","2","7","1") = "6"
    & skf21("7","4","2","5","4","3","1","1") = "6"
    & skf21("7","4","2","5","4","3","2","1") = "6"
    & skf21("7","4","2","5","4","3","3","1") = "6"
    & skf21("7","4","2","5","4","3","4","1") = "6"
    & skf21("7","4","2","5","4","3","5","1") = "6"
    & skf21("7","4","2","5","4","3","6","1") = "6"
    & skf21("7","4","2","5","4","3","7","1") = "6"
    & skf21("7","4","2","5","4","4","1","1") = "6"
    & skf21("7","4","2","5","4","4","2","1") = "6"
    & skf21("7","4","2","5","4","4","3","1") = "6"
    & skf21("7","4","2","5","4","4","4","1") = "6"
    & skf21("7","4","2","5","4","4","5","1") = "6"
    & skf21("7","4","2","5","4","4","6","1") = "6"
    & skf21("7","4","2","5","4","4","7","1") = "6"
    & skf21("7","4","2","5","4","5","1","1") = "6"
    & skf21("7","4","2","5","4","5","2","1") = "6"
    & skf21("7","4","2","5","4","5","3","1") = "6"
    & skf21("7","4","2","5","4","5","4","1") = "6"
    & skf21("7","4","2","5","4","5","5","1") = "6"
    & skf21("7","4","2","5","4","5","6","1") = "6"
    & skf21("7","4","2","5","4","5","7","1") = "6"
    & skf21("7","4","2","5","4","6","1","1") = "6"
    & skf21("7","4","2","5","4","6","2","1") = "6"
    & skf21("7","4","2","5","4","6","3","1") = "6"
    & skf21("7","4","2","5","4","6","4","1") = "6"
    & skf21("7","4","2","5","4","6","5","1") = "6"
    & skf21("7","4","2","5","4","6","6","1") = "6"
    & skf21("7","4","2","5","4","6","7","1") = "6"
    & skf21("7","4","2","5","4","7","1","1") = "6"
    & skf21("7","4","2","5","4","7","2","1") = "6"
    & skf21("7","4","2","5","4","7","3","1") = "6"
    & skf21("7","4","2","5","4","7","4","1") = "6"
    & skf21("7","4","2","5","4","7","5","1") = "6"
    & skf21("7","4","2","5","4","7","6","1") = "6"
    & skf21("7","4","2","5","4","7","7","1") = "6"
    & skf21("7","4","2","5","5","1","1","1") = "6"
    & skf21("7","4","2","5","5","1","2","1") = "6"
    & skf21("7","4","2","5","5","1","3","1") = "6"
    & skf21("7","4","2","5","5","1","4","1") = "6"
    & skf21("7","4","2","5","5","1","5","1") = "6"
    & skf21("7","4","2","5","5","1","6","1") = "6"
    & skf21("7","4","2","5","5","1","7","1") = "6"
    & skf21("7","4","2","5","5","2","1","1") = "6"
    & skf21("7","4","2","5","5","2","2","1") = "6"
    & skf21("7","4","2","5","5","2","3","1") = "6"
    & skf21("7","4","2","5","5","2","4","1") = "6"
    & skf21("7","4","2","5","5","2","5","1") = "6"
    & skf21("7","4","2","5","5","2","6","1") = "6"
    & skf21("7","4","2","5","5","2","7","1") = "6"
    & skf21("7","4","2","5","5","3","1","1") = "6"
    & skf21("7","4","2","5","5","3","2","1") = "6"
    & skf21("7","4","2","5","5","3","3","1") = "6"
    & skf21("7","4","2","5","5","3","4","1") = "6"
    & skf21("7","4","2","5","5","3","5","1") = "6"
    & skf21("7","4","2","5","5","3","6","1") = "6"
    & skf21("7","4","2","5","5","3","7","1") = "6"
    & skf21("7","4","2","5","5","4","1","1") = "6"
    & skf21("7","4","2","5","5","4","2","1") = "6"
    & skf21("7","4","2","5","5","4","3","1") = "6"
    & skf21("7","4","2","5","5","4","4","1") = "6"
    & skf21("7","4","2","5","5","4","5","1") = "6"
    & skf21("7","4","2","5","5","4","6","1") = "6"
    & skf21("7","4","2","5","5","4","7","1") = "6"
    & skf21("7","4","2","5","5","5","1","1") = "6"
    & skf21("7","4","2","5","5","5","2","1") = "6"
    & skf21("7","4","2","5","5","5","3","1") = "6"
    & skf21("7","4","2","5","5","5","4","1") = "6"
    & skf21("7","4","2","5","5","5","5","1") = "6"
    & skf21("7","4","2","5","5","5","6","1") = "6"
    & skf21("7","4","2","5","5","5","7","1") = "6"
    & skf21("7","4","2","5","5","6","1","1") = "6"
    & skf21("7","4","2","5","5","6","2","1") = "6"
    & skf21("7","4","2","5","5","6","3","1") = "6"
    & skf21("7","4","2","5","5","6","4","1") = "6"
    & skf21("7","4","2","5","5","6","5","1") = "6"
    & skf21("7","4","2","5","5","6","6","1") = "6"
    & skf21("7","4","2","5","5","6","7","1") = "6"
    & skf21("7","4","2","5","5","7","1","1") = "6"
    & skf21("7","4","2","5","5","7","2","1") = "6"
    & skf21("7","4","2","5","5","7","3","1") = "6"
    & skf21("7","4","2","5","5","7","4","1") = "6"
    & skf21("7","4","2","5","5","7","5","1") = "6"
    & skf21("7","4","2","5","5","7","6","1") = "6"
    & skf21("7","4","2","5","5","7","7","1") = "6"
    & skf21("7","4","2","5","6","1","1","1") = "6"
    & skf21("7","4","2","5","6","1","2","1") = "6"
    & skf21("7","4","2","5","6","1","3","1") = "6"
    & skf21("7","4","2","5","6","1","4","1") = "6"
    & skf21("7","4","2","5","6","1","5","1") = "6"
    & skf21("7","4","2","5","6","1","6","1") = "6"
    & skf21("7","4","2","5","6","1","7","1") = "6"
    & skf21("7","4","2","5","6","2","1","1") = "6"
    & skf21("7","4","2","5","6","2","2","1") = "6"
    & skf21("7","4","2","5","6","2","3","1") = "6"
    & skf21("7","4","2","5","6","2","4","1") = "6"
    & skf21("7","4","2","5","6","2","5","1") = "6"
    & skf21("7","4","2","5","6","2","6","1") = "6"
    & skf21("7","4","2","5","6","2","7","1") = "6"
    & skf21("7","4","2","5","6","3","1","1") = "6"
    & skf21("7","4","2","5","6","3","2","1") = "6"
    & skf21("7","4","2","5","6","3","3","1") = "6"
    & skf21("7","4","2","5","6","3","4","1") = "6"
    & skf21("7","4","2","5","6","3","5","1") = "6"
    & skf21("7","4","2","5","6","3","6","1") = "6"
    & skf21("7","4","2","5","6","3","7","1") = "6"
    & skf21("7","4","2","5","6","4","1","1") = "6"
    & skf21("7","4","2","5","6","4","2","1") = "6"
    & skf21("7","4","2","5","6","4","3","1") = "6"
    & skf21("7","4","2","5","6","4","4","1") = "6"
    & skf21("7","4","2","5","6","4","5","1") = "6"
    & skf21("7","4","2","5","6","4","6","1") = "6"
    & skf21("7","4","2","5","6","4","7","1") = "6"
    & skf21("7","4","2","5","6","5","1","1") = "6"
    & skf21("7","4","2","5","6","5","2","1") = "6"
    & skf21("7","4","2","5","6","5","3","1") = "6"
    & skf21("7","4","2","5","6","5","4","1") = "6"
    & skf21("7","4","2","5","6","5","5","1") = "6"
    & skf21("7","4","2","5","6","5","6","1") = "6"
    & skf21("7","4","2","5","6","5","7","1") = "6"
    & skf21("7","4","2","5","6","6","1","1") = "6"
    & skf21("7","4","2","5","6","6","2","1") = "6"
    & skf21("7","4","2","5","6","6","3","1") = "6"
    & skf21("7","4","2","5","6","6","4","1") = "6"
    & skf21("7","4","2","5","6","6","5","1") = "6"
    & skf21("7","4","2","5","6","6","6","1") = "6"
    & skf21("7","4","2","5","6","6","7","1") = "6"
    & skf21("7","4","2","5","6","7","1","1") = "6"
    & skf21("7","4","2","5","6","7","2","1") = "6"
    & skf21("7","4","2","5","6","7","3","1") = "6"
    & skf21("7","4","2","5","6","7","4","1") = "6"
    & skf21("7","4","2","5","6","7","5","1") = "6"
    & skf21("7","4","2","5","6","7","6","1") = "6"
    & skf21("7","4","2","5","6","7","7","1") = "6"
    & skf21("7","4","2","5","7","1","1","1") = "6"
    & skf21("7","4","2","5","7","1","2","1") = "6"
    & skf21("7","4","2","5","7","1","3","1") = "6"
    & skf21("7","4","2","5","7","1","4","1") = "6"
    & skf21("7","4","2","5","7","1","5","1") = "6"
    & skf21("7","4","2","5","7","1","6","1") = "6"
    & skf21("7","4","2","5","7","1","7","1") = "6"
    & skf21("7","4","2","5","7","2","1","1") = "6"
    & skf21("7","4","2","5","7","2","2","1") = "6"
    & skf21("7","4","2","5","7","2","3","1") = "6"
    & skf21("7","4","2","5","7","2","4","1") = "6"
    & skf21("7","4","2","5","7","2","5","1") = "6"
    & skf21("7","4","2","5","7","2","6","1") = "6"
    & skf21("7","4","2","5","7","2","7","1") = "6"
    & skf21("7","4","2","5","7","3","1","1") = "6"
    & skf21("7","4","2","5","7","3","2","1") = "6"
    & skf21("7","4","2","5","7","3","3","1") = "6"
    & skf21("7","4","2","5","7","3","4","1") = "6"
    & skf21("7","4","2","5","7","3","5","1") = "6"
    & skf21("7","4","2","5","7","3","6","1") = "6"
    & skf21("7","4","2","5","7","3","7","1") = "6"
    & skf21("7","4","2","5","7","4","1","1") = "6"
    & skf21("7","4","2","5","7","4","2","1") = "6"
    & skf21("7","4","2","5","7","4","3","1") = "6"
    & skf21("7","4","2","5","7","4","4","1") = "6"
    & skf21("7","4","2","5","7","4","5","1") = "6"
    & skf21("7","4","2","5","7","4","6","1") = "6"
    & skf21("7","4","2","5","7","4","7","1") = "6"
    & skf21("7","4","2","5","7","5","1","1") = "6"
    & skf21("7","4","2","5","7","5","2","1") = "6"
    & skf21("7","4","2","5","7","5","3","1") = "6"
    & skf21("7","4","2","5","7","5","4","1") = "6"
    & skf21("7","4","2","5","7","5","5","1") = "6"
    & skf21("7","4","2","5","7","5","6","1") = "6"
    & skf21("7","4","2","5","7","5","7","1") = "6"
    & skf21("7","4","2","5","7","6","1","1") = "6"
    & skf21("7","4","2","5","7","6","2","1") = "6"
    & skf21("7","4","2","5","7","6","3","1") = "6"
    & skf21("7","4","2","5","7","6","4","1") = "6"
    & skf21("7","4","2","5","7","6","5","1") = "6"
    & skf21("7","4","2","5","7","6","6","1") = "6"
    & skf21("7","4","2","5","7","6","7","1") = "6"
    & skf21("7","4","2","5","7","7","1","1") = "6"
    & skf21("7","4","2","5","7","7","2","1") = "6"
    & skf21("7","4","2","5","7","7","3","1") = "6"
    & skf21("7","4","2","5","7","7","4","1") = "6"
    & skf21("7","4","2","5","7","7","5","1") = "6"
    & skf21("7","4","2","5","7","7","6","1") = "6"
    & skf21("7","4","2","5","7","7","7","1") = "6"
    & skf21("7","4","2","6","1","1","1","1") = "6"
    & skf21("7","4","2","6","1","1","2","1") = "6"
    & skf21("7","4","2","6","1","1","3","1") = "6"
    & skf21("7","4","2","6","1","1","4","1") = "6"
    & skf21("7","4","2","6","1","1","5","1") = "6"
    & skf21("7","4","2","6","1","1","6","1") = "6"
    & skf21("7","4","2","6","1","1","7","1") = "6"
    & skf21("7","4","2","6","1","2","1","1") = "6"
    & skf21("7","4","2","6","1","2","2","1") = "6"
    & skf21("7","4","2","6","1","2","3","1") = "6"
    & skf21("7","4","2","6","1","2","4","1") = "6"
    & skf21("7","4","2","6","1","2","5","1") = "6"
    & skf21("7","4","2","6","1","2","6","1") = "6"
    & skf21("7","4","2","6","1","2","7","1") = "6"
    & skf21("7","4","2","6","1","3","1","1") = "6"
    & skf21("7","4","2","6","1","3","2","1") = "6"
    & skf21("7","4","2","6","1","3","3","1") = "6"
    & skf21("7","4","2","6","1","3","4","1") = "6"
    & skf21("7","4","2","6","1","3","5","1") = "6"
    & skf21("7","4","2","6","1","3","6","1") = "6"
    & skf21("7","4","2","6","1","3","7","1") = "6"
    & skf21("7","4","2","6","1","4","1","1") = "6"
    & skf21("7","4","2","6","1","4","2","1") = "6"
    & skf21("7","4","2","6","1","4","3","1") = "6"
    & skf21("7","4","2","6","1","4","4","1") = "6"
    & skf21("7","4","2","6","1","4","5","1") = "6"
    & skf21("7","4","2","6","1","4","6","1") = "6"
    & skf21("7","4","2","6","1","4","7","1") = "6"
    & skf21("7","4","2","6","1","5","1","1") = "6"
    & skf21("7","4","2","6","1","5","2","1") = "6"
    & skf21("7","4","2","6","1","5","3","1") = "6"
    & skf21("7","4","2","6","1","5","4","1") = "6"
    & skf21("7","4","2","6","1","5","5","1") = "6"
    & skf21("7","4","2","6","1","5","6","1") = "6"
    & skf21("7","4","2","6","1","5","7","1") = "6"
    & skf21("7","4","2","6","1","6","1","1") = "6"
    & skf21("7","4","2","6","1","6","2","1") = "6"
    & skf21("7","4","2","6","1","6","3","1") = "6"
    & skf21("7","4","2","6","1","6","4","1") = "6"
    & skf21("7","4","2","6","1","6","5","1") = "6"
    & skf21("7","4","2","6","1","6","6","1") = "6"
    & skf21("7","4","2","6","1","6","7","1") = "6"
    & skf21("7","4","2","6","1","7","1","1") = "6"
    & skf21("7","4","2","6","1","7","2","1") = "6"
    & skf21("7","4","2","6","1","7","3","1") = "6"
    & skf21("7","4","2","6","1","7","4","1") = "6"
    & skf21("7","4","2","6","1","7","5","1") = "6"
    & skf21("7","4","2","6","1","7","6","1") = "6"
    & skf21("7","4","2","6","1","7","7","1") = "6"
    & skf21("7","4","2","6","2","1","1","1") = "6"
    & skf21("7","4","2","6","2","1","2","1") = "6"
    & skf21("7","4","2","6","2","1","3","1") = "6"
    & skf21("7","4","2","6","2","1","4","1") = "6"
    & skf21("7","4","2","6","2","1","5","1") = "6"
    & skf21("7","4","2","6","2","1","6","1") = "6"
    & skf21("7","4","2","6","2","1","7","1") = "6"
    & skf21("7","4","2","6","2","2","1","1") = "6"
    & skf21("7","4","2","6","2","2","2","1") = "6"
    & skf21("7","4","2","6","2","2","3","1") = "6"
    & skf21("7","4","2","6","2","2","4","1") = "6"
    & skf21("7","4","2","6","2","2","5","1") = "6"
    & skf21("7","4","2","6","2","2","6","1") = "6"
    & skf21("7","4","2","6","2","2","7","1") = "6"
    & skf21("7","4","2","6","2","3","1","1") = "6"
    & skf21("7","4","2","6","2","3","2","1") = "6"
    & skf21("7","4","2","6","2","3","3","1") = "6"
    & skf21("7","4","2","6","2","3","4","1") = "6"
    & skf21("7","4","2","6","2","3","5","1") = "6"
    & skf21("7","4","2","6","2","3","6","1") = "6"
    & skf21("7","4","2","6","2","3","7","1") = "6"
    & skf21("7","4","2","6","2","4","1","1") = "6"
    & skf21("7","4","2","6","2","4","2","1") = "6"
    & skf21("7","4","2","6","2","4","3","1") = "6"
    & skf21("7","4","2","6","2","4","4","1") = "6"
    & skf21("7","4","2","6","2","4","5","1") = "6"
    & skf21("7","4","2","6","2","4","6","1") = "6"
    & skf21("7","4","2","6","2","4","7","1") = "6"
    & skf21("7","4","2","6","2","5","1","1") = "6"
    & skf21("7","4","2","6","2","5","2","1") = "6"
    & skf21("7","4","2","6","2","5","3","1") = "6"
    & skf21("7","4","2","6","2","5","4","1") = "6"
    & skf21("7","4","2","6","2","5","5","1") = "6"
    & skf21("7","4","2","6","2","5","6","1") = "6"
    & skf21("7","4","2","6","2","5","7","1") = "6"
    & skf21("7","4","2","6","2","6","1","1") = "6"
    & skf21("7","4","2","6","2","6","2","1") = "6"
    & skf21("7","4","2","6","2","6","3","1") = "6"
    & skf21("7","4","2","6","2","6","4","1") = "6"
    & skf21("7","4","2","6","2","6","5","1") = "6"
    & skf21("7","4","2","6","2","6","6","1") = "6"
    & skf21("7","4","2","6","2","6","7","1") = "6"
    & skf21("7","4","2","6","2","7","1","1") = "6"
    & skf21("7","4","2","6","2","7","2","1") = "6"
    & skf21("7","4","2","6","2","7","3","1") = "6"
    & skf21("7","4","2","6","2","7","4","1") = "6"
    & skf21("7","4","2","6","2","7","5","1") = "6"
    & skf21("7","4","2","6","2","7","6","1") = "6"
    & skf21("7","4","2","6","2","7","7","1") = "6"
    & skf21("7","4","2","6","3","1","1","1") = "6"
    & skf21("7","4","2","6","3","1","2","1") = "6"
    & skf21("7","4","2","6","3","1","3","1") = "6"
    & skf21("7","4","2","6","3","1","4","1") = "6"
    & skf21("7","4","2","6","3","1","5","1") = "6"
    & skf21("7","4","2","6","3","1","6","1") = "6"
    & skf21("7","4","2","6","3","1","7","1") = "6"
    & skf21("7","4","2","6","3","2","1","1") = "6"
    & skf21("7","4","2","6","3","2","2","1") = "6"
    & skf21("7","4","2","6","3","2","3","1") = "6"
    & skf21("7","4","2","6","3","2","4","1") = "6"
    & skf21("7","4","2","6","3","2","5","1") = "6"
    & skf21("7","4","2","6","3","2","6","1") = "6"
    & skf21("7","4","2","6","3","2","7","1") = "6"
    & skf21("7","4","2","6","3","3","1","1") = "6"
    & skf21("7","4","2","6","3","3","2","1") = "6"
    & skf21("7","4","2","6","3","3","3","1") = "6"
    & skf21("7","4","2","6","3","3","4","1") = "6"
    & skf21("7","4","2","6","3","3","5","1") = "6"
    & skf21("7","4","2","6","3","3","6","1") = "6"
    & skf21("7","4","2","6","3","3","7","1") = "6"
    & skf21("7","4","2","6","3","4","1","1") = "6"
    & skf21("7","4","2","6","3","4","2","1") = "6"
    & skf21("7","4","2","6","3","4","3","1") = "6"
    & skf21("7","4","2","6","3","4","4","1") = "6"
    & skf21("7","4","2","6","3","4","5","1") = "6"
    & skf21("7","4","2","6","3","4","6","1") = "6"
    & skf21("7","4","2","6","3","4","7","1") = "6"
    & skf21("7","4","2","6","3","5","1","1") = "6"
    & skf21("7","4","2","6","3","5","2","1") = "6"
    & skf21("7","4","2","6","3","5","3","1") = "6"
    & skf21("7","4","2","6","3","5","4","1") = "6"
    & skf21("7","4","2","6","3","5","5","1") = "6"
    & skf21("7","4","2","6","3","5","6","1") = "6"
    & skf21("7","4","2","6","3","5","7","1") = "6"
    & skf21("7","4","2","6","3","6","1","1") = "6"
    & skf21("7","4","2","6","3","6","2","1") = "6"
    & skf21("7","4","2","6","3","6","3","1") = "6"
    & skf21("7","4","2","6","3","6","4","1") = "6"
    & skf21("7","4","2","6","3","6","5","1") = "6"
    & skf21("7","4","2","6","3","6","6","1") = "6"
    & skf21("7","4","2","6","3","6","7","1") = "6"
    & skf21("7","4","2","6","3","7","1","1") = "6"
    & skf21("7","4","2","6","3","7","2","1") = "6"
    & skf21("7","4","2","6","3","7","3","1") = "6"
    & skf21("7","4","2","6","3","7","4","1") = "6"
    & skf21("7","4","2","6","3","7","5","1") = "6"
    & skf21("7","4","2","6","3","7","6","1") = "6"
    & skf21("7","4","2","6","3","7","7","1") = "6"
    & skf21("7","4","2","6","4","1","1","1") = "6"
    & skf21("7","4","2","6","4","1","2","1") = "6"
    & skf21("7","4","2","6","4","1","3","1") = "6"
    & skf21("7","4","2","6","4","1","4","1") = "6"
    & skf21("7","4","2","6","4","1","5","1") = "6"
    & skf21("7","4","2","6","4","1","6","1") = "6"
    & skf21("7","4","2","6","4","1","7","1") = "6"
    & skf21("7","4","2","6","4","2","1","1") = "6"
    & skf21("7","4","2","6","4","2","2","1") = "6"
    & skf21("7","4","2","6","4","2","3","1") = "6"
    & skf21("7","4","2","6","4","2","4","1") = "6"
    & skf21("7","4","2","6","4","2","5","1") = "6"
    & skf21("7","4","2","6","4","2","6","1") = "6"
    & skf21("7","4","2","6","4","2","7","1") = "6"
    & skf21("7","4","2","6","4","3","1","1") = "6"
    & skf21("7","4","2","6","4","3","2","1") = "6"
    & skf21("7","4","2","6","4","3","3","1") = "6"
    & skf21("7","4","2","6","4","3","4","1") = "6"
    & skf21("7","4","2","6","4","3","5","1") = "6"
    & skf21("7","4","2","6","4","3","6","1") = "6"
    & skf21("7","4","2","6","4","3","7","1") = "6"
    & skf21("7","4","2","6","4","4","1","1") = "6"
    & skf21("7","4","2","6","4","4","2","1") = "6"
    & skf21("7","4","2","6","4","4","3","1") = "6"
    & skf21("7","4","2","6","4","4","4","1") = "6"
    & skf21("7","4","2","6","4","4","5","1") = "6"
    & skf21("7","4","2","6","4","4","6","1") = "6"
    & skf21("7","4","2","6","4","4","7","1") = "6"
    & skf21("7","4","2","6","4","5","1","1") = "6"
    & skf21("7","4","2","6","4","5","2","1") = "6"
    & skf21("7","4","2","6","4","5","3","1") = "6"
    & skf21("7","4","2","6","4","5","4","1") = "6"
    & skf21("7","4","2","6","4","5","5","1") = "6"
    & skf21("7","4","2","6","4","5","6","1") = "6"
    & skf21("7","4","2","6","4","5","7","1") = "6"
    & skf21("7","4","2","6","4","6","1","1") = "6"
    & skf21("7","4","2","6","4","6","2","1") = "6"
    & skf21("7","4","2","6","4","6","3","1") = "6"
    & skf21("7","4","2","6","4","6","4","1") = "6"
    & skf21("7","4","2","6","4","6","5","1") = "6"
    & skf21("7","4","2","6","4","6","6","1") = "6"
    & skf21("7","4","2","6","4","6","7","1") = "6"
    & skf21("7","4","2","6","4","7","1","1") = "6"
    & skf21("7","4","2","6","4","7","2","1") = "6"
    & skf21("7","4","2","6","4","7","3","1") = "6"
    & skf21("7","4","2","6","4","7","4","1") = "6"
    & skf21("7","4","2","6","4","7","5","1") = "6"
    & skf21("7","4","2","6","4","7","6","1") = "6"
    & skf21("7","4","2","6","4","7","7","1") = "6"
    & skf21("7","4","2","6","5","1","1","1") = "6"
    & skf21("7","4","2","6","5","1","2","1") = "6"
    & skf21("7","4","2","6","5","1","3","1") = "6"
    & skf21("7","4","2","6","5","1","4","1") = "6"
    & skf21("7","4","2","6","5","1","5","1") = "6"
    & skf21("7","4","2","6","5","1","6","1") = "6"
    & skf21("7","4","2","6","5","1","7","1") = "6"
    & skf21("7","4","2","6","5","2","1","1") = "6"
    & skf21("7","4","2","6","5","2","2","1") = "6"
    & skf21("7","4","2","6","5","2","3","1") = "6"
    & skf21("7","4","2","6","5","2","4","1") = "6"
    & skf21("7","4","2","6","5","2","5","1") = "6"
    & skf21("7","4","2","6","5","2","6","1") = "6"
    & skf21("7","4","2","6","5","2","7","1") = "6"
    & skf21("7","4","2","6","5","3","1","1") = "6"
    & skf21("7","4","2","6","5","3","2","1") = "6"
    & skf21("7","4","2","6","5","3","3","1") = "6"
    & skf21("7","4","2","6","5","3","4","1") = "6"
    & skf21("7","4","2","6","5","3","5","1") = "6"
    & skf21("7","4","2","6","5","3","6","1") = "6"
    & skf21("7","4","2","6","5","3","7","1") = "6"
    & skf21("7","4","2","6","5","4","1","1") = "6"
    & skf21("7","4","2","6","5","4","2","1") = "6"
    & skf21("7","4","2","6","5","4","3","1") = "6"
    & skf21("7","4","2","6","5","4","4","1") = "6"
    & skf21("7","4","2","6","5","4","5","1") = "6"
    & skf21("7","4","2","6","5","4","6","1") = "6"
    & skf21("7","4","2","6","5","4","7","1") = "6"
    & skf21("7","4","2","6","5","5","1","1") = "6"
    & skf21("7","4","2","6","5","5","2","1") = "6"
    & skf21("7","4","2","6","5","5","3","1") = "6"
    & skf21("7","4","2","6","5","5","4","1") = "6"
    & skf21("7","4","2","6","5","5","5","1") = "6"
    & skf21("7","4","2","6","5","5","6","1") = "6"
    & skf21("7","4","2","6","5","5","7","1") = "6"
    & skf21("7","4","2","6","5","6","1","1") = "6"
    & skf21("7","4","2","6","5","6","2","1") = "6"
    & skf21("7","4","2","6","5","6","3","1") = "6"
    & skf21("7","4","2","6","5","6","4","1") = "6"
    & skf21("7","4","2","6","5","6","5","1") = "6"
    & skf21("7","4","2","6","5","6","6","1") = "6"
    & skf21("7","4","2","6","5","6","7","1") = "6"
    & skf21("7","4","2","6","5","7","1","1") = "6"
    & skf21("7","4","2","6","5","7","2","1") = "6"
    & skf21("7","4","2","6","5","7","3","1") = "6"
    & skf21("7","4","2","6","5","7","4","1") = "6"
    & skf21("7","4","2","6","5","7","5","1") = "6"
    & skf21("7","4","2","6","5","7","6","1") = "6"
    & skf21("7","4","2","6","5","7","7","1") = "6"
    & skf21("7","4","2","6","6","1","1","1") = "6"
    & skf21("7","4","2","6","6","1","2","1") = "6"
    & skf21("7","4","2","6","6","1","3","1") = "6"
    & skf21("7","4","2","6","6","1","4","1") = "6"
    & skf21("7","4","2","6","6","1","5","1") = "6"
    & skf21("7","4","2","6","6","1","6","1") = "6"
    & skf21("7","4","2","6","6","1","7","1") = "6"
    & skf21("7","4","2","6","6","2","1","1") = "6"
    & skf21("7","4","2","6","6","2","2","1") = "6"
    & skf21("7","4","2","6","6","2","3","1") = "6"
    & skf21("7","4","2","6","6","2","4","1") = "6"
    & skf21("7","4","2","6","6","2","5","1") = "6"
    & skf21("7","4","2","6","6","2","6","1") = "6"
    & skf21("7","4","2","6","6","2","7","1") = "6"
    & skf21("7","4","2","6","6","3","1","1") = "6"
    & skf21("7","4","2","6","6","3","2","1") = "6"
    & skf21("7","4","2","6","6","3","3","1") = "6"
    & skf21("7","4","2","6","6","3","4","1") = "6"
    & skf21("7","4","2","6","6","3","5","1") = "6"
    & skf21("7","4","2","6","6","3","6","1") = "6"
    & skf21("7","4","2","6","6","3","7","1") = "6"
    & skf21("7","4","2","6","6","4","1","1") = "6"
    & skf21("7","4","2","6","6","4","2","1") = "6"
    & skf21("7","4","2","6","6","4","3","1") = "6"
    & skf21("7","4","2","6","6","4","4","1") = "6"
    & skf21("7","4","2","6","6","4","5","1") = "6"
    & skf21("7","4","2","6","6","4","6","1") = "6"
    & skf21("7","4","2","6","6","4","7","1") = "6"
    & skf21("7","4","2","6","6","5","1","1") = "6"
    & skf21("7","4","2","6","6","5","2","1") = "6"
    & skf21("7","4","2","6","6","5","3","1") = "6"
    & skf21("7","4","2","6","6","5","4","1") = "6"
    & skf21("7","4","2","6","6","5","5","1") = "6"
    & skf21("7","4","2","6","6","5","6","1") = "6"
    & skf21("7","4","2","6","6","5","7","1") = "6"
    & skf21("7","4","2","6","6","6","1","1") = "6"
    & skf21("7","4","2","6","6","6","2","1") = "6"
    & skf21("7","4","2","6","6","6","3","1") = "6"
    & skf21("7","4","2","6","6","6","4","1") = "6"
    & skf21("7","4","2","6","6","6","5","1") = "6"
    & skf21("7","4","2","6","6","6","6","1") = "6"
    & skf21("7","4","2","6","6","6","7","1") = "6"
    & skf21("7","4","2","6","6","7","1","1") = "6"
    & skf21("7","4","2","6","6","7","2","1") = "6"
    & skf21("7","4","2","6","6","7","3","1") = "6"
    & skf21("7","4","2","6","6","7","4","1") = "6"
    & skf21("7","4","2","6","6","7","5","1") = "6"
    & skf21("7","4","2","6","6","7","6","1") = "6"
    & skf21("7","4","2","6","6","7","7","1") = "6"
    & skf21("7","4","2","6","7","1","1","1") = "6"
    & skf21("7","4","2","6","7","1","2","1") = "6"
    & skf21("7","4","2","6","7","1","3","1") = "6"
    & skf21("7","4","2","6","7","1","4","1") = "6"
    & skf21("7","4","2","6","7","1","5","1") = "6"
    & skf21("7","4","2","6","7","1","6","1") = "6"
    & skf21("7","4","2","6","7","1","7","1") = "6"
    & skf21("7","4","2","6","7","2","1","1") = "6"
    & skf21("7","4","2","6","7","2","2","1") = "6"
    & skf21("7","4","2","6","7","2","3","1") = "6"
    & skf21("7","4","2","6","7","2","4","1") = "6"
    & skf21("7","4","2","6","7","2","5","1") = "6"
    & skf21("7","4","2","6","7","2","6","1") = "6"
    & skf21("7","4","2","6","7","2","7","1") = "6"
    & skf21("7","4","2","6","7","3","1","1") = "6"
    & skf21("7","4","2","6","7","3","2","1") = "6"
    & skf21("7","4","2","6","7","3","3","1") = "6"
    & skf21("7","4","2","6","7","3","4","1") = "6"
    & skf21("7","4","2","6","7","3","5","1") = "6"
    & skf21("7","4","2","6","7","3","6","1") = "6"
    & skf21("7","4","2","6","7","3","7","1") = "6"
    & skf21("7","4","2","6","7","4","1","1") = "6"
    & skf21("7","4","2","6","7","4","2","1") = "6"
    & skf21("7","4","2","6","7","4","3","1") = "6"
    & skf21("7","4","2","6","7","4","4","1") = "6"
    & skf21("7","4","2","6","7","4","5","1") = "6"
    & skf21("7","4","2","6","7","4","6","1") = "6"
    & skf21("7","4","2","6","7","4","7","1") = "6"
    & skf21("7","4","2","6","7","5","1","1") = "6"
    & skf21("7","4","2","6","7","5","2","1") = "6"
    & skf21("7","4","2","6","7","5","3","1") = "6"
    & skf21("7","4","2","6","7","5","4","1") = "6"
    & skf21("7","4","2","6","7","5","5","1") = "6"
    & skf21("7","4","2","6","7","5","6","1") = "6"
    & skf21("7","4","2","6","7","5","7","1") = "6"
    & skf21("7","4","2","6","7","6","1","1") = "6"
    & skf21("7","4","2","6","7","6","2","1") = "6"
    & skf21("7","4","2","6","7","6","3","1") = "6"
    & skf21("7","4","2","6","7","6","4","1") = "6"
    & skf21("7","4","2","6","7","6","5","1") = "6"
    & skf21("7","4","2","6","7","6","6","1") = "6"
    & skf21("7","4","2","6","7","6","7","1") = "6"
    & skf21("7","4","2","6","7","7","1","1") = "6"
    & skf21("7","4","2","6","7","7","2","1") = "6"
    & skf21("7","4","2","6","7","7","3","1") = "6"
    & skf21("7","4","2","6","7","7","4","1") = "6"
    & skf21("7","4","2","6","7","7","5","1") = "6"
    & skf21("7","4","2","6","7","7","6","1") = "6"
    & skf21("7","4","2","6","7","7","7","1") = "6"
    & skf21("7","4","2","7","1","1","1","1") = "6"
    & skf21("7","4","2","7","1","1","2","1") = "6"
    & skf21("7","4","2","7","1","1","3","1") = "6"
    & skf21("7","4","2","7","1","1","4","1") = "6"
    & skf21("7","4","2","7","1","1","5","1") = "6"
    & skf21("7","4","2","7","1","1","6","1") = "6"
    & skf21("7","4","2","7","1","1","7","1") = "6"
    & skf21("7","4","2","7","1","2","1","1") = "6"
    & skf21("7","4","2","7","1","2","2","1") = "6"
    & skf21("7","4","2","7","1","2","3","1") = "6"
    & skf21("7","4","2","7","1","2","4","1") = "6"
    & skf21("7","4","2","7","1","2","5","1") = "6"
    & skf21("7","4","2","7","1","2","6","1") = "6"
    & skf21("7","4","2","7","1","2","7","1") = "6"
    & skf21("7","4","2","7","1","3","1","1") = "6"
    & skf21("7","4","2","7","1","3","2","1") = "6"
    & skf21("7","4","2","7","1","3","3","1") = "6"
    & skf21("7","4","2","7","1","3","4","1") = "6"
    & skf21("7","4","2","7","1","3","5","1") = "6"
    & skf21("7","4","2","7","1","3","6","1") = "6"
    & skf21("7","4","2","7","1","3","7","1") = "6"
    & skf21("7","4","2","7","1","4","1","1") = "6"
    & skf21("7","4","2","7","1","4","2","1") = "6"
    & skf21("7","4","2","7","1","4","3","1") = "6"
    & skf21("7","4","2","7","1","4","4","1") = "6"
    & skf21("7","4","2","7","1","4","5","1") = "6"
    & skf21("7","4","2","7","1","4","6","1") = "6"
    & skf21("7","4","2","7","1","4","7","1") = "6"
    & skf21("7","4","2","7","1","5","1","1") = "6"
    & skf21("7","4","2","7","1","5","2","1") = "6"
    & skf21("7","4","2","7","1","5","3","1") = "6"
    & skf21("7","4","2","7","1","5","4","1") = "6"
    & skf21("7","4","2","7","1","5","5","1") = "6"
    & skf21("7","4","2","7","1","5","6","1") = "6"
    & skf21("7","4","2","7","1","5","7","1") = "6"
    & skf21("7","4","2","7","1","6","1","1") = "6"
    & skf21("7","4","2","7","1","6","2","1") = "6"
    & skf21("7","4","2","7","1","6","3","1") = "6"
    & skf21("7","4","2","7","1","6","4","1") = "6"
    & skf21("7","4","2","7","1","6","5","1") = "6"
    & skf21("7","4","2","7","1","6","6","1") = "6"
    & skf21("7","4","2","7","1","6","7","1") = "6"
    & skf21("7","4","2","7","1","7","1","1") = "6"
    & skf21("7","4","2","7","1","7","2","1") = "6"
    & skf21("7","4","2","7","1","7","3","1") = "6"
    & skf21("7","4","2","7","1","7","4","1") = "6"
    & skf21("7","4","2","7","1","7","5","1") = "6"
    & skf21("7","4","2","7","1","7","6","1") = "6"
    & skf21("7","4","2","7","1","7","7","1") = "6"
    & skf21("7","4","2","7","2","1","1","1") = "6"
    & skf21("7","4","2","7","2","1","2","1") = "6"
    & skf21("7","4","2","7","2","1","3","1") = "6"
    & skf21("7","4","2","7","2","1","4","1") = "6"
    & skf21("7","4","2","7","2","1","5","1") = "6"
    & skf21("7","4","2","7","2","1","6","1") = "6"
    & skf21("7","4","2","7","2","1","7","1") = "6"
    & skf21("7","4","2","7","2","2","1","1") = "6"
    & skf21("7","4","2","7","2","2","2","1") = "6"
    & skf21("7","4","2","7","2","2","3","1") = "6"
    & skf21("7","4","2","7","2","2","4","1") = "6"
    & skf21("7","4","2","7","2","2","5","1") = "6"
    & skf21("7","4","2","7","2","2","6","1") = "6"
    & skf21("7","4","2","7","2","2","7","1") = "6"
    & skf21("7","4","2","7","2","3","1","1") = "6"
    & skf21("7","4","2","7","2","3","2","1") = "6"
    & skf21("7","4","2","7","2","3","3","1") = "6"
    & skf21("7","4","2","7","2","3","4","1") = "6"
    & skf21("7","4","2","7","2","3","5","1") = "6"
    & skf21("7","4","2","7","2","3","6","1") = "6"
    & skf21("7","4","2","7","2","3","7","1") = "6"
    & skf21("7","4","2","7","2","4","1","1") = "6"
    & skf21("7","4","2","7","2","4","2","1") = "6"
    & skf21("7","4","2","7","2","4","3","1") = "6"
    & skf21("7","4","2","7","2","4","4","1") = "6"
    & skf21("7","4","2","7","2","4","5","1") = "6"
    & skf21("7","4","2","7","2","4","6","1") = "6"
    & skf21("7","4","2","7","2","4","7","1") = "6"
    & skf21("7","4","2","7","2","5","1","1") = "6"
    & skf21("7","4","2","7","2","5","2","1") = "6"
    & skf21("7","4","2","7","2","5","3","1") = "6"
    & skf21("7","4","2","7","2","5","4","1") = "6"
    & skf21("7","4","2","7","2","5","5","1") = "6"
    & skf21("7","4","2","7","2","5","6","1") = "6"
    & skf21("7","4","2","7","2","5","7","1") = "6"
    & skf21("7","4","2","7","2","6","1","1") = "6"
    & skf21("7","4","2","7","2","6","2","1") = "6"
    & skf21("7","4","2","7","2","6","3","1") = "6"
    & skf21("7","4","2","7","2","6","4","1") = "6"
    & skf21("7","4","2","7","2","6","5","1") = "6"
    & skf21("7","4","2","7","2","6","6","1") = "6"
    & skf21("7","4","2","7","2","6","7","1") = "6"
    & skf21("7","4","2","7","2","7","1","1") = "6"
    & skf21("7","4","2","7","2","7","2","1") = "6"
    & skf21("7","4","2","7","2","7","3","1") = "6"
    & skf21("7","4","2","7","2","7","4","1") = "6"
    & skf21("7","4","2","7","2","7","5","1") = "6"
    & skf21("7","4","2","7","2","7","6","1") = "6"
    & skf21("7","4","2","7","2","7","7","1") = "6"
    & skf21("7","4","2","7","3","1","1","1") = "6"
    & skf21("7","4","2","7","3","1","2","1") = "6"
    & skf21("7","4","2","7","3","1","3","1") = "6"
    & skf21("7","4","2","7","3","1","4","1") = "6"
    & skf21("7","4","2","7","3","1","5","1") = "6"
    & skf21("7","4","2","7","3","1","6","1") = "6"
    & skf21("7","4","2","7","3","1","7","1") = "6"
    & skf21("7","4","2","7","3","2","1","1") = "6"
    & skf21("7","4","2","7","3","2","2","1") = "6"
    & skf21("7","4","2","7","3","2","3","1") = "6"
    & skf21("7","4","2","7","3","2","4","1") = "6"
    & skf21("7","4","2","7","3","2","5","1") = "6"
    & skf21("7","4","2","7","3","2","6","1") = "6"
    & skf21("7","4","2","7","3","2","7","1") = "6"
    & skf21("7","4","2","7","3","3","1","1") = "6"
    & skf21("7","4","2","7","3","3","2","1") = "6"
    & skf21("7","4","2","7","3","3","3","1") = "6"
    & skf21("7","4","2","7","3","3","4","1") = "6"
    & skf21("7","4","2","7","3","3","5","1") = "6"
    & skf21("7","4","2","7","3","3","6","1") = "6"
    & skf21("7","4","2","7","3","3","7","1") = "6"
    & skf21("7","4","2","7","3","4","1","1") = "6"
    & skf21("7","4","2","7","3","4","2","1") = "6"
    & skf21("7","4","2","7","3","4","3","1") = "6"
    & skf21("7","4","2","7","3","4","4","1") = "6"
    & skf21("7","4","2","7","3","4","5","1") = "6"
    & skf21("7","4","2","7","3","4","6","1") = "6"
    & skf21("7","4","2","7","3","4","7","1") = "6"
    & skf21("7","4","2","7","3","5","1","1") = "6"
    & skf21("7","4","2","7","3","5","2","1") = "6"
    & skf21("7","4","2","7","3","5","3","1") = "6"
    & skf21("7","4","2","7","3","5","4","1") = "6"
    & skf21("7","4","2","7","3","5","5","1") = "6"
    & skf21("7","4","2","7","3","5","6","1") = "6"
    & skf21("7","4","2","7","3","5","7","1") = "6"
    & skf21("7","4","2","7","3","6","1","1") = "6"
    & skf21("7","4","2","7","3","6","2","1") = "6"
    & skf21("7","4","2","7","3","6","3","1") = "6"
    & skf21("7","4","2","7","3","6","4","1") = "6"
    & skf21("7","4","2","7","3","6","5","1") = "6"
    & skf21("7","4","2","7","3","6","6","1") = "6"
    & skf21("7","4","2","7","3","6","7","1") = "6"
    & skf21("7","4","2","7","3","7","1","1") = "6"
    & skf21("7","4","2","7","3","7","2","1") = "6"
    & skf21("7","4","2","7","3","7","3","1") = "6"
    & skf21("7","4","2","7","3","7","4","1") = "6"
    & skf21("7","4","2","7","3","7","5","1") = "6"
    & skf21("7","4","2","7","3","7","6","1") = "6"
    & skf21("7","4","2","7","3","7","7","1") = "6"
    & skf21("7","4","2","7","4","1","1","1") = "6"
    & skf21("7","4","2","7","4","1","2","1") = "6"
    & skf21("7","4","2","7","4","1","3","1") = "6"
    & skf21("7","4","2","7","4","1","4","1") = "6"
    & skf21("7","4","2","7","4","1","5","1") = "6"
    & skf21("7","4","2","7","4","1","6","1") = "6"
    & skf21("7","4","2","7","4","1","7","1") = "6"
    & skf21("7","4","2","7","4","2","1","1") = "6"
    & skf21("7","4","2","7","4","2","2","1") = "6"
    & skf21("7","4","2","7","4","2","3","1") = "6"
    & skf21("7","4","2","7","4","2","4","1") = "6"
    & skf21("7","4","2","7","4","2","5","1") = "6"
    & skf21("7","4","2","7","4","2","6","1") = "6"
    & skf21("7","4","2","7","4","2","7","1") = "6"
    & skf21("7","4","2","7","4","3","1","1") = "6"
    & skf21("7","4","2","7","4","3","2","1") = "6"
    & skf21("7","4","2","7","4","3","3","1") = "6"
    & skf21("7","4","2","7","4","3","4","1") = "6"
    & skf21("7","4","2","7","4","3","5","1") = "6"
    & skf21("7","4","2","7","4","3","6","1") = "6"
    & skf21("7","4","2","7","4","3","7","1") = "6"
    & skf21("7","4","2","7","4","4","1","1") = "6"
    & skf21("7","4","2","7","4","4","2","1") = "6"
    & skf21("7","4","2","7","4","4","3","1") = "6"
    & skf21("7","4","2","7","4","4","4","1") = "6"
    & skf21("7","4","2","7","4","4","5","1") = "6"
    & skf21("7","4","2","7","4","4","6","1") = "6"
    & skf21("7","4","2","7","4","4","7","1") = "6"
    & skf21("7","4","2","7","4","5","1","1") = "6"
    & skf21("7","4","2","7","4","5","2","1") = "6"
    & skf21("7","4","2","7","4","5","3","1") = "6"
    & skf21("7","4","2","7","4","5","4","1") = "6"
    & skf21("7","4","2","7","4","5","5","1") = "6"
    & skf21("7","4","2","7","4","5","6","1") = "6"
    & skf21("7","4","2","7","4","5","7","1") = "6"
    & skf21("7","4","2","7","4","6","1","1") = "6"
    & skf21("7","4","2","7","4","6","2","1") = "6"
    & skf21("7","4","2","7","4","6","3","1") = "6"
    & skf21("7","4","2","7","4","6","4","1") = "6"
    & skf21("7","4","2","7","4","6","5","1") = "6"
    & skf21("7","4","2","7","4","6","6","1") = "6"
    & skf21("7","4","2","7","4","6","7","1") = "6"
    & skf21("7","4","2","7","4","7","1","1") = "6"
    & skf21("7","4","2","7","4","7","2","1") = "6"
    & skf21("7","4","2","7","4","7","3","1") = "6"
    & skf21("7","4","2","7","4","7","4","1") = "6"
    & skf21("7","4","2","7","4","7","5","1") = "6"
    & skf21("7","4","2","7","4","7","6","1") = "6"
    & skf21("7","4","2","7","4","7","7","1") = "6"
    & skf21("7","4","2","7","5","1","1","1") = "6"
    & skf21("7","4","2","7","5","1","2","1") = "6"
    & skf21("7","4","2","7","5","1","3","1") = "6"
    & skf21("7","4","2","7","5","1","4","1") = "6"
    & skf21("7","4","2","7","5","1","5","1") = "6"
    & skf21("7","4","2","7","5","1","6","1") = "6"
    & skf21("7","4","2","7","5","1","7","1") = "6"
    & skf21("7","4","2","7","5","2","1","1") = "6"
    & skf21("7","4","2","7","5","2","2","1") = "6"
    & skf21("7","4","2","7","5","2","3","1") = "6"
    & skf21("7","4","2","7","5","2","4","1") = "6"
    & skf21("7","4","2","7","5","2","5","1") = "6"
    & skf21("7","4","2","7","5","2","6","1") = "6"
    & skf21("7","4","2","7","5","2","7","1") = "6"
    & skf21("7","4","2","7","5","3","1","1") = "6"
    & skf21("7","4","2","7","5","3","2","1") = "6"
    & skf21("7","4","2","7","5","3","3","1") = "6"
    & skf21("7","4","2","7","5","3","4","1") = "6"
    & skf21("7","4","2","7","5","3","5","1") = "6"
    & skf21("7","4","2","7","5","3","6","1") = "6"
    & skf21("7","4","2","7","5","3","7","1") = "6"
    & skf21("7","4","2","7","5","4","1","1") = "6"
    & skf21("7","4","2","7","5","4","2","1") = "6"
    & skf21("7","4","2","7","5","4","3","1") = "6"
    & skf21("7","4","2","7","5","4","4","1") = "6"
    & skf21("7","4","2","7","5","4","5","1") = "6"
    & skf21("7","4","2","7","5","4","6","1") = "6"
    & skf21("7","4","2","7","5","4","7","1") = "6"
    & skf21("7","4","2","7","5","5","1","1") = "6"
    & skf21("7","4","2","7","5","5","2","1") = "6"
    & skf21("7","4","2","7","5","5","3","1") = "6"
    & skf21("7","4","2","7","5","5","4","1") = "6"
    & skf21("7","4","2","7","5","5","5","1") = "6"
    & skf21("7","4","2","7","5","5","6","1") = "6"
    & skf21("7","4","2","7","5","5","7","1") = "6"
    & skf21("7","4","2","7","5","6","1","1") = "6"
    & skf21("7","4","2","7","5","6","2","1") = "6"
    & skf21("7","4","2","7","5","6","3","1") = "6"
    & skf21("7","4","2","7","5","6","4","1") = "6"
    & skf21("7","4","2","7","5","6","5","1") = "6"
    & skf21("7","4","2","7","5","6","6","1") = "6"
    & skf21("7","4","2","7","5","6","7","1") = "6"
    & skf21("7","4","2","7","5","7","1","1") = "6"
    & skf21("7","4","2","7","5","7","2","1") = "6"
    & skf21("7","4","2","7","5","7","3","1") = "6"
    & skf21("7","4","2","7","5","7","4","1") = "6"
    & skf21("7","4","2","7","5","7","5","1") = "6"
    & skf21("7","4","2","7","5","7","6","1") = "6"
    & skf21("7","4","2","7","5","7","7","1") = "6"
    & skf21("7","4","2","7","6","1","1","1") = "6"
    & skf21("7","4","2","7","6","1","2","1") = "6"
    & skf21("7","4","2","7","6","1","3","1") = "6"
    & skf21("7","4","2","7","6","1","4","1") = "6"
    & skf21("7","4","2","7","6","1","5","1") = "6"
    & skf21("7","4","2","7","6","1","6","1") = "6"
    & skf21("7","4","2","7","6","1","7","1") = "6"
    & skf21("7","4","2","7","6","2","1","1") = "6"
    & skf21("7","4","2","7","6","2","2","1") = "6"
    & skf21("7","4","2","7","6","2","3","1") = "6"
    & skf21("7","4","2","7","6","2","4","1") = "6"
    & skf21("7","4","2","7","6","2","5","1") = "6"
    & skf21("7","4","2","7","6","2","6","1") = "6"
    & skf21("7","4","2","7","6","2","7","1") = "6"
    & skf21("7","4","2","7","6","3","1","1") = "6"
    & skf21("7","4","2","7","6","3","2","1") = "6"
    & skf21("7","4","2","7","6","3","3","1") = "6"
    & skf21("7","4","2","7","6","3","4","1") = "6"
    & skf21("7","4","2","7","6","3","5","1") = "6"
    & skf21("7","4","2","7","6","3","6","1") = "6"
    & skf21("7","4","2","7","6","3","7","1") = "6"
    & skf21("7","4","2","7","6","4","1","1") = "6"
    & skf21("7","4","2","7","6","4","2","1") = "6"
    & skf21("7","4","2","7","6","4","3","1") = "6"
    & skf21("7","4","2","7","6","4","4","1") = "6"
    & skf21("7","4","2","7","6","4","5","1") = "6"
    & skf21("7","4","2","7","6","4","6","1") = "6"
    & skf21("7","4","2","7","6","4","7","1") = "6"
    & skf21("7","4","2","7","6","5","1","1") = "6"
    & skf21("7","4","2","7","6","5","2","1") = "6"
    & skf21("7","4","2","7","6","5","3","1") = "6"
    & skf21("7","4","2","7","6","5","4","1") = "6"
    & skf21("7","4","2","7","6","5","5","1") = "6"
    & skf21("7","4","2","7","6","5","6","1") = "6"
    & skf21("7","4","2","7","6","5","7","1") = "6"
    & skf21("7","4","2","7","6","6","1","1") = "6"
    & skf21("7","4","2","7","6","6","2","1") = "6"
    & skf21("7","4","2","7","6","6","3","1") = "6"
    & skf21("7","4","2","7","6","6","4","1") = "6"
    & skf21("7","4","2","7","6","6","5","1") = "6"
    & skf21("7","4","2","7","6","6","6","1") = "6"
    & skf21("7","4","2","7","6","6","7","1") = "6"
    & skf21("7","4","2","7","6","7","1","1") = "6"
    & skf21("7","4","2","7","6","7","2","1") = "6"
    & skf21("7","4","2","7","6","7","3","1") = "6"
    & skf21("7","4","2","7","6","7","4","1") = "6"
    & skf21("7","4","2","7","6","7","5","1") = "6"
    & skf21("7","4","2","7","6","7","6","1") = "6"
    & skf21("7","4","2","7","6","7","7","1") = "6"
    & skf21("7","4","2","7","7","1","1","1") = "6"
    & skf21("7","4","2","7","7","1","2","1") = "6"
    & skf21("7","4","2","7","7","1","3","1") = "6"
    & skf21("7","4","2","7","7","1","4","1") = "6"
    & skf21("7","4","2","7","7","1","5","1") = "6"
    & skf21("7","4","2","7","7","1","6","1") = "6"
    & skf21("7","4","2","7","7","1","7","1") = "6"
    & skf21("7","4","2","7","7","2","1","1") = "6"
    & skf21("7","4","2","7","7","2","2","1") = "6"
    & skf21("7","4","2","7","7","2","3","1") = "6"
    & skf21("7","4","2","7","7","2","4","1") = "6"
    & skf21("7","4","2","7","7","2","5","1") = "6"
    & skf21("7","4","2","7","7","2","6","1") = "6"
    & skf21("7","4","2","7","7","2","7","1") = "6"
    & skf21("7","4","2","7","7","3","1","1") = "6"
    & skf21("7","4","2","7","7","3","2","1") = "6"
    & skf21("7","4","2","7","7","3","3","1") = "6"
    & skf21("7","4","2","7","7","3","4","1") = "6"
    & skf21("7","4","2","7","7","3","5","1") = "6"
    & skf21("7","4","2","7","7","3","6","1") = "6"
    & skf21("7","4","2","7","7","3","7","1") = "6"
    & skf21("7","4","2","7","7","4","1","1") = "6"
    & skf21("7","4","2","7","7","4","2","1") = "6"
    & skf21("7","4","2","7","7","4","3","1") = "6"
    & skf21("7","4","2","7","7","4","4","1") = "6"
    & skf21("7","4","2","7","7","4","5","1") = "6"
    & skf21("7","4","2","7","7","4","6","1") = "6"
    & skf21("7","4","2","7","7","4","7","1") = "6"
    & skf21("7","4","2","7","7","5","1","1") = "6"
    & skf21("7","4","2","7","7","5","2","1") = "6"
    & skf21("7","4","2","7","7","5","3","1") = "6"
    & skf21("7","4","2","7","7","5","4","1") = "6"
    & skf21("7","4","2","7","7","5","5","1") = "6"
    & skf21("7","4","2","7","7","5","6","1") = "6"
    & skf21("7","4","2","7","7","5","7","1") = "6"
    & skf21("7","4","2","7","7","6","1","1") = "6"
    & skf21("7","4","2","7","7","6","2","1") = "6"
    & skf21("7","4","2","7","7","6","3","1") = "6"
    & skf21("7","4","2","7","7","6","4","1") = "6"
    & skf21("7","4","2","7","7","6","5","1") = "6"
    & skf21("7","4","2","7","7","6","6","1") = "6"
    & skf21("7","4","2","7","7","6","7","1") = "6"
    & skf21("7","4","2","7","7","7","1","1") = "6"
    & skf21("7","4","2","7","7","7","2","1") = "6"
    & skf21("7","4","2","7","7","7","3","1") = "6"
    & skf21("7","4","2","7","7","7","4","1") = "6"
    & skf21("7","4","2","7","7","7","5","1") = "6"
    & skf21("7","4","2","7","7","7","6","1") = "6"
    & skf21("7","4","2","7","7","7","7","1") = "6"
    & skf21("7","4","3","1","1","1","1","1") = "6"
    & skf21("7","4","3","1","1","1","2","1") = "6"
    & skf21("7","4","3","1","1","1","3","1") = "6"
    & skf21("7","4","3","1","1","1","4","1") = "6"
    & skf21("7","4","3","1","1","1","5","1") = "6"
    & skf21("7","4","3","1","1","1","6","1") = "6"
    & skf21("7","4","3","1","1","1","7","1") = "6"
    & skf21("7","4","3","1","1","2","1","1") = "6"
    & skf21("7","4","3","1","1","2","2","1") = "6"
    & skf21("7","4","3","1","1","2","3","1") = "6"
    & skf21("7","4","3","1","1","2","4","1") = "6"
    & skf21("7","4","3","1","1","2","5","1") = "6"
    & skf21("7","4","3","1","1","2","6","1") = "6"
    & skf21("7","4","3","1","1","2","7","1") = "6"
    & skf21("7","4","3","1","1","3","1","1") = "6"
    & skf21("7","4","3","1","1","3","2","1") = "6"
    & skf21("7","4","3","1","1","3","3","1") = "6"
    & skf21("7","4","3","1","1","3","4","1") = "6"
    & skf21("7","4","3","1","1","3","5","1") = "6"
    & skf21("7","4","3","1","1","3","6","1") = "6"
    & skf21("7","4","3","1","1","3","7","1") = "6"
    & skf21("7","4","3","1","1","4","1","1") = "6"
    & skf21("7","4","3","1","1","4","2","1") = "6"
    & skf21("7","4","3","1","1","4","3","1") = "6"
    & skf21("7","4","3","1","1","4","4","1") = "6"
    & skf21("7","4","3","1","1","4","5","1") = "6"
    & skf21("7","4","3","1","1","4","6","1") = "6"
    & skf21("7","4","3","1","1","4","7","1") = "6"
    & skf21("7","4","3","1","1","5","1","1") = "6"
    & skf21("7","4","3","1","1","5","2","1") = "6"
    & skf21("7","4","3","1","1","5","3","1") = "6"
    & skf21("7","4","3","1","1","5","4","1") = "6"
    & skf21("7","4","3","1","1","5","5","1") = "6"
    & skf21("7","4","3","1","1","5","6","1") = "6"
    & skf21("7","4","3","1","1","5","7","1") = "6"
    & skf21("7","4","3","1","1","6","1","1") = "6"
    & skf21("7","4","3","1","1","6","2","1") = "6"
    & skf21("7","4","3","1","1","6","3","1") = "6"
    & skf21("7","4","3","1","1","6","4","1") = "6"
    & skf21("7","4","3","1","1","6","5","1") = "6"
    & skf21("7","4","3","1","1","6","6","1") = "6"
    & skf21("7","4","3","1","1","6","7","1") = "6"
    & skf21("7","4","3","1","1","7","1","1") = "6"
    & skf21("7","4","3","1","1","7","2","1") = "6"
    & skf21("7","4","3","1","1","7","3","1") = "6"
    & skf21("7","4","3","1","1","7","4","1") = "6"
    & skf21("7","4","3","1","1","7","5","1") = "6"
    & skf21("7","4","3","1","1","7","6","1") = "6"
    & skf21("7","4","3","1","1","7","7","1") = "6"
    & skf21("7","4","3","1","2","1","1","1") = "6"
    & skf21("7","4","3","1","2","1","2","1") = "6"
    & skf21("7","4","3","1","2","1","3","1") = "6"
    & skf21("7","4","3","1","2","1","4","1") = "6"
    & skf21("7","4","3","1","2","1","5","1") = "6"
    & skf21("7","4","3","1","2","1","6","1") = "6"
    & skf21("7","4","3","1","2","1","7","1") = "6"
    & skf21("7","4","3","1","2","2","1","1") = "6"
    & skf21("7","4","3","1","2","2","2","1") = "6"
    & skf21("7","4","3","1","2","2","3","1") = "6"
    & skf21("7","4","3","1","2","2","4","1") = "6"
    & skf21("7","4","3","1","2","2","5","1") = "6"
    & skf21("7","4","3","1","2","2","6","1") = "6"
    & skf21("7","4","3","1","2","2","7","1") = "6"
    & skf21("7","4","3","1","2","3","1","1") = "6"
    & skf21("7","4","3","1","2","3","2","1") = "6"
    & skf21("7","4","3","1","2","3","3","1") = "6"
    & skf21("7","4","3","1","2","3","4","1") = "6"
    & skf21("7","4","3","1","2","3","5","1") = "6"
    & skf21("7","4","3","1","2","3","6","1") = "6"
    & skf21("7","4","3","1","2","3","7","1") = "6"
    & skf21("7","4","3","1","2","4","1","1") = "6"
    & skf21("7","4","3","1","2","4","2","1") = "6"
    & skf21("7","4","3","1","2","4","3","1") = "6"
    & skf21("7","4","3","1","2","4","4","1") = "6"
    & skf21("7","4","3","1","2","4","5","1") = "6"
    & skf21("7","4","3","1","2","4","6","1") = "6"
    & skf21("7","4","3","1","2","4","7","1") = "6"
    & skf21("7","4","3","1","2","5","1","1") = "6"
    & skf21("7","4","3","1","2","5","2","1") = "6"
    & skf21("7","4","3","1","2","5","3","1") = "6"
    & skf21("7","4","3","1","2","5","4","1") = "6"
    & skf21("7","4","3","1","2","5","5","1") = "6"
    & skf21("7","4","3","1","2","5","6","1") = "6"
    & skf21("7","4","3","1","2","5","7","1") = "6"
    & skf21("7","4","3","1","2","6","1","1") = "6"
    & skf21("7","4","3","1","2","6","2","1") = "6"
    & skf21("7","4","3","1","2","6","3","1") = "6"
    & skf21("7","4","3","1","2","6","4","1") = "6"
    & skf21("7","4","3","1","2","6","5","1") = "6"
    & skf21("7","4","3","1","2","6","6","1") = "6"
    & skf21("7","4","3","1","2","6","7","1") = "6"
    & skf21("7","4","3","1","2","7","1","1") = "6"
    & skf21("7","4","3","1","2","7","2","1") = "6"
    & skf21("7","4","3","1","2","7","3","1") = "6"
    & skf21("7","4","3","1","2","7","4","1") = "6"
    & skf21("7","4","3","1","2","7","5","1") = "6"
    & skf21("7","4","3","1","2","7","6","1") = "6"
    & skf21("7","4","3","1","2","7","7","1") = "6"
    & skf21("7","4","3","1","3","1","1","1") = "6"
    & skf21("7","4","3","1","3","1","2","1") = "6"
    & skf21("7","4","3","1","3","1","3","1") = "6"
    & skf21("7","4","3","1","3","1","4","1") = "6"
    & skf21("7","4","3","1","3","1","5","1") = "6"
    & skf21("7","4","3","1","3","1","6","1") = "6"
    & skf21("7","4","3","1","3","1","7","1") = "6"
    & skf21("7","4","3","1","3","2","1","1") = "6"
    & skf21("7","4","3","1","3","2","2","1") = "6"
    & skf21("7","4","3","1","3","2","3","1") = "6"
    & skf21("7","4","3","1","3","2","4","1") = "6"
    & skf21("7","4","3","1","3","2","5","1") = "6"
    & skf21("7","4","3","1","3","2","6","1") = "6"
    & skf21("7","4","3","1","3","2","7","1") = "6"
    & skf21("7","4","3","1","3","3","1","1") = "6"
    & skf21("7","4","3","1","3","3","2","1") = "6"
    & skf21("7","4","3","1","3","3","3","1") = "6"
    & skf21("7","4","3","1","3","3","4","1") = "6"
    & skf21("7","4","3","1","3","3","5","1") = "6"
    & skf21("7","4","3","1","3","3","6","1") = "6"
    & skf21("7","4","3","1","3","3","7","1") = "6"
    & skf21("7","4","3","1","3","4","1","1") = "6"
    & skf21("7","4","3","1","3","4","2","1") = "6"
    & skf21("7","4","3","1","3","4","3","1") = "6"
    & skf21("7","4","3","1","3","4","4","1") = "6"
    & skf21("7","4","3","1","3","4","5","1") = "6"
    & skf21("7","4","3","1","3","4","6","1") = "6"
    & skf21("7","4","3","1","3","4","7","1") = "6"
    & skf21("7","4","3","1","3","5","1","1") = "6"
    & skf21("7","4","3","1","3","5","2","1") = "6"
    & skf21("7","4","3","1","3","5","3","1") = "6"
    & skf21("7","4","3","1","3","5","4","1") = "6"
    & skf21("7","4","3","1","3","5","5","1") = "6"
    & skf21("7","4","3","1","3","5","6","1") = "6"
    & skf21("7","4","3","1","3","5","7","1") = "6"
    & skf21("7","4","3","1","3","6","1","1") = "6"
    & skf21("7","4","3","1","3","6","2","1") = "6"
    & skf21("7","4","3","1","3","6","3","1") = "6"
    & skf21("7","4","3","1","3","6","4","1") = "6"
    & skf21("7","4","3","1","3","6","5","1") = "6"
    & skf21("7","4","3","1","3","6","6","1") = "6"
    & skf21("7","4","3","1","3","6","7","1") = "6"
    & skf21("7","4","3","1","3","7","1","1") = "6"
    & skf21("7","4","3","1","3","7","2","1") = "6"
    & skf21("7","4","3","1","3","7","3","1") = "6"
    & skf21("7","4","3","1","3","7","4","1") = "6"
    & skf21("7","4","3","1","3","7","5","1") = "6"
    & skf21("7","4","3","1","3","7","6","1") = "6"
    & skf21("7","4","3","1","3","7","7","1") = "6"
    & skf21("7","4","3","1","4","1","1","1") = "6"
    & skf21("7","4","3","1","4","1","2","1") = "6"
    & skf21("7","4","3","1","4","1","3","1") = "6"
    & skf21("7","4","3","1","4","1","4","1") = "6"
    & skf21("7","4","3","1","4","1","5","1") = "6"
    & skf21("7","4","3","1","4","1","6","1") = "6"
    & skf21("7","4","3","1","4","1","7","1") = "6"
    & skf21("7","4","3","1","4","2","1","1") = "6"
    & skf21("7","4","3","1","4","2","2","1") = "6"
    & skf21("7","4","3","1","4","2","3","1") = "6"
    & skf21("7","4","3","1","4","2","4","1") = "6"
    & skf21("7","4","3","1","4","2","5","1") = "6"
    & skf21("7","4","3","1","4","2","6","1") = "6"
    & skf21("7","4","3","1","4","2","7","1") = "6"
    & skf21("7","4","3","1","4","3","1","1") = "6"
    & skf21("7","4","3","1","4","3","2","1") = "6"
    & skf21("7","4","3","1","4","3","3","1") = "6"
    & skf21("7","4","3","1","4","3","4","1") = "6"
    & skf21("7","4","3","1","4","3","5","1") = "6"
    & skf21("7","4","3","1","4","3","6","1") = "6"
    & skf21("7","4","3","1","4","3","7","1") = "6"
    & skf21("7","4","3","1","4","4","1","1") = "6"
    & skf21("7","4","3","1","4","4","2","1") = "6"
    & skf21("7","4","3","1","4","4","3","1") = "6"
    & skf21("7","4","3","1","4","4","4","1") = "6"
    & skf21("7","4","3","1","4","4","5","1") = "6"
    & skf21("7","4","3","1","4","4","6","1") = "6"
    & skf21("7","4","3","1","4","4","7","1") = "6"
    & skf21("7","4","3","1","4","5","1","1") = "6"
    & skf21("7","4","3","1","4","5","2","1") = "6"
    & skf21("7","4","3","1","4","5","3","1") = "6"
    & skf21("7","4","3","1","4","5","4","1") = "6"
    & skf21("7","4","3","1","4","5","5","1") = "6"
    & skf21("7","4","3","1","4","5","6","1") = "6"
    & skf21("7","4","3","1","4","5","7","1") = "6"
    & skf21("7","4","3","1","4","6","1","1") = "6"
    & skf21("7","4","3","1","4","6","2","1") = "6"
    & skf21("7","4","3","1","4","6","3","1") = "6"
    & skf21("7","4","3","1","4","6","4","1") = "6"
    & skf21("7","4","3","1","4","6","5","1") = "6"
    & skf21("7","4","3","1","4","6","6","1") = "6"
    & skf21("7","4","3","1","4","6","7","1") = "6"
    & skf21("7","4","3","1","4","7","1","1") = "6"
    & skf21("7","4","3","1","4","7","2","1") = "6"
    & skf21("7","4","3","1","4","7","3","1") = "6"
    & skf21("7","4","3","1","4","7","4","1") = "6"
    & skf21("7","4","3","1","4","7","5","1") = "6"
    & skf21("7","4","3","1","4","7","6","1") = "6"
    & skf21("7","4","3","1","4","7","7","1") = "6"
    & skf21("7","4","3","1","5","1","1","1") = "6"
    & skf21("7","4","3","1","5","1","2","1") = "6"
    & skf21("7","4","3","1","5","1","3","1") = "6"
    & skf21("7","4","3","1","5","1","4","1") = "6"
    & skf21("7","4","3","1","5","1","5","1") = "6"
    & skf21("7","4","3","1","5","1","6","1") = "6"
    & skf21("7","4","3","1","5","1","7","1") = "6"
    & skf21("7","4","3","1","5","2","1","1") = "6"
    & skf21("7","4","3","1","5","2","2","1") = "6"
    & skf21("7","4","3","1","5","2","3","1") = "6"
    & skf21("7","4","3","1","5","2","4","1") = "6"
    & skf21("7","4","3","1","5","2","5","1") = "6"
    & skf21("7","4","3","1","5","2","6","1") = "6"
    & skf21("7","4","3","1","5","2","7","1") = "6"
    & skf21("7","4","3","1","5","3","1","1") = "6"
    & skf21("7","4","3","1","5","3","2","1") = "6"
    & skf21("7","4","3","1","5","3","3","1") = "6"
    & skf21("7","4","3","1","5","3","4","1") = "6"
    & skf21("7","4","3","1","5","3","5","1") = "6"
    & skf21("7","4","3","1","5","3","6","1") = "6"
    & skf21("7","4","3","1","5","3","7","1") = "6"
    & skf21("7","4","3","1","5","4","1","1") = "6"
    & skf21("7","4","3","1","5","4","2","1") = "6"
    & skf21("7","4","3","1","5","4","3","1") = "6"
    & skf21("7","4","3","1","5","4","4","1") = "6"
    & skf21("7","4","3","1","5","4","5","1") = "6"
    & skf21("7","4","3","1","5","4","6","1") = "6"
    & skf21("7","4","3","1","5","4","7","1") = "6"
    & skf21("7","4","3","1","5","5","1","1") = "6"
    & skf21("7","4","3","1","5","5","2","1") = "6"
    & skf21("7","4","3","1","5","5","3","1") = "6"
    & skf21("7","4","3","1","5","5","4","1") = "6"
    & skf21("7","4","3","1","5","5","5","1") = "6"
    & skf21("7","4","3","1","5","5","6","1") = "6"
    & skf21("7","4","3","1","5","5","7","1") = "6"
    & skf21("7","4","3","1","5","6","1","1") = "6"
    & skf21("7","4","3","1","5","6","2","1") = "6"
    & skf21("7","4","3","1","5","6","3","1") = "6"
    & skf21("7","4","3","1","5","6","4","1") = "6"
    & skf21("7","4","3","1","5","6","5","1") = "6"
    & skf21("7","4","3","1","5","6","6","1") = "6"
    & skf21("7","4","3","1","5","6","7","1") = "6"
    & skf21("7","4","3","1","5","7","1","1") = "6"
    & skf21("7","4","3","1","5","7","2","1") = "6"
    & skf21("7","4","3","1","5","7","3","1") = "6"
    & skf21("7","4","3","1","5","7","4","1") = "6"
    & skf21("7","4","3","1","5","7","5","1") = "6"
    & skf21("7","4","3","1","5","7","6","1") = "6"
    & skf21("7","4","3","1","5","7","7","1") = "6"
    & skf21("7","4","3","1","6","1","1","1") = "6"
    & skf21("7","4","3","1","6","1","2","1") = "6"
    & skf21("7","4","3","1","6","1","3","1") = "6"
    & skf21("7","4","3","1","6","1","4","1") = "6"
    & skf21("7","4","3","1","6","1","5","1") = "6"
    & skf21("7","4","3","1","6","1","6","1") = "6"
    & skf21("7","4","3","1","6","1","7","1") = "6"
    & skf21("7","4","3","1","6","2","1","1") = "6"
    & skf21("7","4","3","1","6","2","2","1") = "6"
    & skf21("7","4","3","1","6","2","3","1") = "6"
    & skf21("7","4","3","1","6","2","4","1") = "6"
    & skf21("7","4","3","1","6","2","5","1") = "6"
    & skf21("7","4","3","1","6","2","6","1") = "6"
    & skf21("7","4","3","1","6","2","7","1") = "6"
    & skf21("7","4","3","1","6","3","1","1") = "6"
    & skf21("7","4","3","1","6","3","2","1") = "6"
    & skf21("7","4","3","1","6","3","3","1") = "6"
    & skf21("7","4","3","1","6","3","4","1") = "6"
    & skf21("7","4","3","1","6","3","5","1") = "6"
    & skf21("7","4","3","1","6","3","6","1") = "6"
    & skf21("7","4","3","1","6","3","7","1") = "6"
    & skf21("7","4","3","1","6","4","1","1") = "6"
    & skf21("7","4","3","1","6","4","2","1") = "6"
    & skf21("7","4","3","1","6","4","3","1") = "6"
    & skf21("7","4","3","1","6","4","4","1") = "6"
    & skf21("7","4","3","1","6","4","5","1") = "6"
    & skf21("7","4","3","1","6","4","6","1") = "6"
    & skf21("7","4","3","1","6","4","7","1") = "6"
    & skf21("7","4","3","1","6","5","1","1") = "6"
    & skf21("7","4","3","1","6","5","2","1") = "6"
    & skf21("7","4","3","1","6","5","3","1") = "6"
    & skf21("7","4","3","1","6","5","4","1") = "6"
    & skf21("7","4","3","1","6","5","5","1") = "6"
    & skf21("7","4","3","1","6","5","6","1") = "6"
    & skf21("7","4","3","1","6","5","7","1") = "6"
    & skf21("7","4","3","1","6","6","1","1") = "6"
    & skf21("7","4","3","1","6","6","2","1") = "6"
    & skf21("7","4","3","1","6","6","3","1") = "6"
    & skf21("7","4","3","1","6","6","4","1") = "6"
    & skf21("7","4","3","1","6","6","5","1") = "6"
    & skf21("7","4","3","1","6","6","6","1") = "6"
    & skf21("7","4","3","1","6","6","7","1") = "6"
    & skf21("7","4","3","1","6","7","1","1") = "6"
    & skf21("7","4","3","1","6","7","2","1") = "6"
    & skf21("7","4","3","1","6","7","3","1") = "6"
    & skf21("7","4","3","1","6","7","4","1") = "6"
    & skf21("7","4","3","1","6","7","5","1") = "6"
    & skf21("7","4","3","1","6","7","6","1") = "6"
    & skf21("7","4","3","1","6","7","7","1") = "6"
    & skf21("7","4","3","1","7","1","1","1") = "6"
    & skf21("7","4","3","1","7","1","2","1") = "6"
    & skf21("7","4","3","1","7","1","3","1") = "6"
    & skf21("7","4","3","1","7","1","4","1") = "6"
    & skf21("7","4","3","1","7","1","5","1") = "6"
    & skf21("7","4","3","1","7","1","6","1") = "6"
    & skf21("7","4","3","1","7","1","7","1") = "6"
    & skf21("7","4","3","1","7","2","1","1") = "6"
    & skf21("7","4","3","1","7","2","2","1") = "6"
    & skf21("7","4","3","1","7","2","3","1") = "6"
    & skf21("7","4","3","1","7","2","4","1") = "6"
    & skf21("7","4","3","1","7","2","5","1") = "6"
    & skf21("7","4","3","1","7","2","6","1") = "6"
    & skf21("7","4","3","1","7","2","7","1") = "6"
    & skf21("7","4","3","1","7","3","1","1") = "6"
    & skf21("7","4","3","1","7","3","2","1") = "6"
    & skf21("7","4","3","1","7","3","3","1") = "6"
    & skf21("7","4","3","1","7","3","4","1") = "6"
    & skf21("7","4","3","1","7","3","5","1") = "6"
    & skf21("7","4","3","1","7","3","6","1") = "6"
    & skf21("7","4","3","1","7","3","7","1") = "6"
    & skf21("7","4","3","1","7","4","1","1") = "6"
    & skf21("7","4","3","1","7","4","2","1") = "6"
    & skf21("7","4","3","1","7","4","3","1") = "6"
    & skf21("7","4","3","1","7","4","4","1") = "6"
    & skf21("7","4","3","1","7","4","5","1") = "6"
    & skf21("7","4","3","1","7","4","6","1") = "6"
    & skf21("7","4","3","1","7","4","7","1") = "6"
    & skf21("7","4","3","1","7","5","1","1") = "6"
    & skf21("7","4","3","1","7","5","2","1") = "6"
    & skf21("7","4","3","1","7","5","3","1") = "6"
    & skf21("7","4","3","1","7","5","4","1") = "6"
    & skf21("7","4","3","1","7","5","5","1") = "6"
    & skf21("7","4","3","1","7","5","6","1") = "6"
    & skf21("7","4","3","1","7","5","7","1") = "6"
    & skf21("7","4","3","1","7","6","1","1") = "6"
    & skf21("7","4","3","1","7","6","2","1") = "6"
    & skf21("7","4","3","1","7","6","3","1") = "6"
    & skf21("7","4","3","1","7","6","4","1") = "6"
    & skf21("7","4","3","1","7","6","5","1") = "6"
    & skf21("7","4","3","1","7","6","6","1") = "6"
    & skf21("7","4","3","1","7","6","7","1") = "6"
    & skf21("7","4","3","1","7","7","1","1") = "6"
    & skf21("7","4","3","1","7","7","2","1") = "6"
    & skf21("7","4","3","1","7","7","3","1") = "6"
    & skf21("7","4","3","1","7","7","4","1") = "6"
    & skf21("7","4","3","1","7","7","5","1") = "6"
    & skf21("7","4","3","1","7","7","6","1") = "6"
    & skf21("7","4","3","1","7","7","7","1") = "6"
    & skf21("7","4","3","2","1","1","1","1") = "6"
    & skf21("7","4","3","2","1","1","2","1") = "6"
    & skf21("7","4","3","2","1","1","3","1") = "6"
    & skf21("7","4","3","2","1","1","4","1") = "6"
    & skf21("7","4","3","2","1","1","5","1") = "6"
    & skf21("7","4","3","2","1","1","6","1") = "6"
    & skf21("7","4","3","2","1","1","7","1") = "6"
    & skf21("7","4","3","2","1","2","1","1") = "6"
    & skf21("7","4","3","2","1","2","2","1") = "6"
    & skf21("7","4","3","2","1","2","3","1") = "6"
    & skf21("7","4","3","2","1","2","4","1") = "6"
    & skf21("7","4","3","2","1","2","5","1") = "6"
    & skf21("7","4","3","2","1","2","6","1") = "6"
    & skf21("7","4","3","2","1","2","7","1") = "6"
    & skf21("7","4","3","2","1","3","1","1") = "6"
    & skf21("7","4","3","2","1","3","2","1") = "6"
    & skf21("7","4","3","2","1","3","3","1") = "6"
    & skf21("7","4","3","2","1","3","4","1") = "6"
    & skf21("7","4","3","2","1","3","5","1") = "6"
    & skf21("7","4","3","2","1","3","6","1") = "6"
    & skf21("7","4","3","2","1","3","7","1") = "6"
    & skf21("7","4","3","2","1","4","1","1") = "6"
    & skf21("7","4","3","2","1","4","2","1") = "6"
    & skf21("7","4","3","2","1","4","3","1") = "6"
    & skf21("7","4","3","2","1","4","4","1") = "6"
    & skf21("7","4","3","2","1","4","5","1") = "6"
    & skf21("7","4","3","2","1","4","6","1") = "6"
    & skf21("7","4","3","2","1","4","7","1") = "6"
    & skf21("7","4","3","2","1","5","1","1") = "6"
    & skf21("7","4","3","2","1","5","2","1") = "6"
    & skf21("7","4","3","2","1","5","3","1") = "6"
    & skf21("7","4","3","2","1","5","4","1") = "6"
    & skf21("7","4","3","2","1","5","5","1") = "6"
    & skf21("7","4","3","2","1","5","6","1") = "6"
    & skf21("7","4","3","2","1","5","7","1") = "6"
    & skf21("7","4","3","2","1","6","1","1") = "6"
    & skf21("7","4","3","2","1","6","2","1") = "6"
    & skf21("7","4","3","2","1","6","3","1") = "6"
    & skf21("7","4","3","2","1","6","4","1") = "6"
    & skf21("7","4","3","2","1","6","5","1") = "6"
    & skf21("7","4","3","2","1","6","6","1") = "6"
    & skf21("7","4","3","2","1","6","7","1") = "6"
    & skf21("7","4","3","2","1","7","1","1") = "6"
    & skf21("7","4","3","2","1","7","2","1") = "6"
    & skf21("7","4","3","2","1","7","3","1") = "6"
    & skf21("7","4","3","2","1","7","4","1") = "6"
    & skf21("7","4","3","2","1","7","5","1") = "6"
    & skf21("7","4","3","2","1","7","6","1") = "6"
    & skf21("7","4","3","2","1","7","7","1") = "6"
    & skf21("7","4","3","2","2","1","1","1") = "6"
    & skf21("7","4","3","2","2","1","2","1") = "6"
    & skf21("7","4","3","2","2","1","3","1") = "6"
    & skf21("7","4","3","2","2","1","4","1") = "6"
    & skf21("7","4","3","2","2","1","5","1") = "6"
    & skf21("7","4","3","2","2","1","6","1") = "6"
    & skf21("7","4","3","2","2","1","7","1") = "6"
    & skf21("7","4","3","2","2","2","1","1") = "6"
    & skf21("7","4","3","2","2","2","2","1") = "6"
    & skf21("7","4","3","2","2","2","3","1") = "6"
    & skf21("7","4","3","2","2","2","4","1") = "6"
    & skf21("7","4","3","2","2","2","5","1") = "6"
    & skf21("7","4","3","2","2","2","6","1") = "6"
    & skf21("7","4","3","2","2","2","7","1") = "6"
    & skf21("7","4","3","2","2","3","1","1") = "6"
    & skf21("7","4","3","2","2","3","2","1") = "6"
    & skf21("7","4","3","2","2","3","3","1") = "6"
    & skf21("7","4","3","2","2","3","4","1") = "6"
    & skf21("7","4","3","2","2","3","5","1") = "6"
    & skf21("7","4","3","2","2","3","6","1") = "6"
    & skf21("7","4","3","2","2","3","7","1") = "6"
    & skf21("7","4","3","2","2","4","1","1") = "6"
    & skf21("7","4","3","2","2","4","2","1") = "6"
    & skf21("7","4","3","2","2","4","3","1") = "6"
    & skf21("7","4","3","2","2","4","4","1") = "6"
    & skf21("7","4","3","2","2","4","5","1") = "6"
    & skf21("7","4","3","2","2","4","6","1") = "6"
    & skf21("7","4","3","2","2","4","7","1") = "6"
    & skf21("7","4","3","2","2","5","1","1") = "6"
    & skf21("7","4","3","2","2","5","2","1") = "6"
    & skf21("7","4","3","2","2","5","3","1") = "6"
    & skf21("7","4","3","2","2","5","4","1") = "6"
    & skf21("7","4","3","2","2","5","5","1") = "6"
    & skf21("7","4","3","2","2","5","6","1") = "6"
    & skf21("7","4","3","2","2","5","7","1") = "6"
    & skf21("7","4","3","2","2","6","1","1") = "6"
    & skf21("7","4","3","2","2","6","2","1") = "6"
    & skf21("7","4","3","2","2","6","3","1") = "6"
    & skf21("7","4","3","2","2","6","4","1") = "6"
    & skf21("7","4","3","2","2","6","5","1") = "6"
    & skf21("7","4","3","2","2","6","6","1") = "6"
    & skf21("7","4","3","2","2","6","7","1") = "6"
    & skf21("7","4","3","2","2","7","1","1") = "6"
    & skf21("7","4","3","2","2","7","2","1") = "6"
    & skf21("7","4","3","2","2","7","3","1") = "6"
    & skf21("7","4","3","2","2","7","4","1") = "6"
    & skf21("7","4","3","2","2","7","5","1") = "6"
    & skf21("7","4","3","2","2","7","6","1") = "6"
    & skf21("7","4","3","2","2","7","7","1") = "6"
    & skf21("7","4","3","2","3","1","1","1") = "6"
    & skf21("7","4","3","2","3","1","2","1") = "6"
    & skf21("7","4","3","2","3","1","3","1") = "6"
    & skf21("7","4","3","2","3","1","4","1") = "6"
    & skf21("7","4","3","2","3","1","5","1") = "6"
    & skf21("7","4","3","2","3","1","6","1") = "6"
    & skf21("7","4","3","2","3","1","7","1") = "6"
    & skf21("7","4","3","2","3","2","1","1") = "6"
    & skf21("7","4","3","2","3","2","2","1") = "6"
    & skf21("7","4","3","2","3","2","3","1") = "6"
    & skf21("7","4","3","2","3","2","4","1") = "6"
    & skf21("7","4","3","2","3","2","5","1") = "6"
    & skf21("7","4","3","2","3","2","6","1") = "6"
    & skf21("7","4","3","2","3","2","7","1") = "6"
    & skf21("7","4","3","2","3","3","1","1") = "6"
    & skf21("7","4","3","2","3","3","2","1") = "6"
    & skf21("7","4","3","2","3","3","3","1") = "6"
    & skf21("7","4","3","2","3","3","4","1") = "6"
    & skf21("7","4","3","2","3","3","5","1") = "6"
    & skf21("7","4","3","2","3","3","6","1") = "6"
    & skf21("7","4","3","2","3","3","7","1") = "6"
    & skf21("7","4","3","2","3","4","1","1") = "6"
    & skf21("7","4","3","2","3","4","2","1") = "6"
    & skf21("7","4","3","2","3","4","3","1") = "6"
    & skf21("7","4","3","2","3","4","4","1") = "6"
    & skf21("7","4","3","2","3","4","5","1") = "6"
    & skf21("7","4","3","2","3","4","6","1") = "6"
    & skf21("7","4","3","2","3","4","7","1") = "6"
    & skf21("7","4","3","2","3","5","1","1") = "6"
    & skf21("7","4","3","2","3","5","2","1") = "6"
    & skf21("7","4","3","2","3","5","3","1") = "6"
    & skf21("7","4","3","2","3","5","4","1") = "6"
    & skf21("7","4","3","2","3","5","5","1") = "6"
    & skf21("7","4","3","2","3","5","6","1") = "6"
    & skf21("7","4","3","2","3","5","7","1") = "6"
    & skf21("7","4","3","2","3","6","1","1") = "6"
    & skf21("7","4","3","2","3","6","2","1") = "6"
    & skf21("7","4","3","2","3","6","3","1") = "6"
    & skf21("7","4","3","2","3","6","4","1") = "6"
    & skf21("7","4","3","2","3","6","5","1") = "6"
    & skf21("7","4","3","2","3","6","6","1") = "6"
    & skf21("7","4","3","2","3","6","7","1") = "6"
    & skf21("7","4","3","2","3","7","1","1") = "6"
    & skf21("7","4","3","2","3","7","2","1") = "6"
    & skf21("7","4","3","2","3","7","3","1") = "6"
    & skf21("7","4","3","2","3","7","4","1") = "6"
    & skf21("7","4","3","2","3","7","5","1") = "6"
    & skf21("7","4","3","2","3","7","6","1") = "6"
    & skf21("7","4","3","2","3","7","7","1") = "6"
    & skf21("7","4","3","2","4","1","1","1") = "6"
    & skf21("7","4","3","2","4","1","2","1") = "6"
    & skf21("7","4","3","2","4","1","3","1") = "6"
    & skf21("7","4","3","2","4","1","4","1") = "6"
    & skf21("7","4","3","2","4","1","5","1") = "6"
    & skf21("7","4","3","2","4","1","6","1") = "6"
    & skf21("7","4","3","2","4","1","7","1") = "6"
    & skf21("7","4","3","2","4","2","1","1") = "6"
    & skf21("7","4","3","2","4","2","2","1") = "6"
    & skf21("7","4","3","2","4","2","3","1") = "6"
    & skf21("7","4","3","2","4","2","4","1") = "6"
    & skf21("7","4","3","2","4","2","5","1") = "6"
    & skf21("7","4","3","2","4","2","6","1") = "6"
    & skf21("7","4","3","2","4","2","7","1") = "6"
    & skf21("7","4","3","2","4","3","1","1") = "6"
    & skf21("7","4","3","2","4","3","2","1") = "6"
    & skf21("7","4","3","2","4","3","3","1") = "6"
    & skf21("7","4","3","2","4","3","4","1") = "6"
    & skf21("7","4","3","2","4","3","5","1") = "6"
    & skf21("7","4","3","2","4","3","6","1") = "6"
    & skf21("7","4","3","2","4","3","7","1") = "6"
    & skf21("7","4","3","2","4","4","1","1") = "6"
    & skf21("7","4","3","2","4","4","2","1") = "6"
    & skf21("7","4","3","2","4","4","3","1") = "6"
    & skf21("7","4","3","2","4","4","4","1") = "6"
    & skf21("7","4","3","2","4","4","5","1") = "6"
    & skf21("7","4","3","2","4","4","6","1") = "6"
    & skf21("7","4","3","2","4","4","7","1") = "6"
    & skf21("7","4","3","2","4","5","1","1") = "6"
    & skf21("7","4","3","2","4","5","2","1") = "6"
    & skf21("7","4","3","2","4","5","3","1") = "6"
    & skf21("7","4","3","2","4","5","4","1") = "6"
    & skf21("7","4","3","2","4","5","5","1") = "6"
    & skf21("7","4","3","2","4","5","6","1") = "6"
    & skf21("7","4","3","2","4","5","7","1") = "6"
    & skf21("7","4","3","2","4","6","1","1") = "6"
    & skf21("7","4","3","2","4","6","2","1") = "6"
    & skf21("7","4","3","2","4","6","3","1") = "6"
    & skf21("7","4","3","2","4","6","4","1") = "6"
    & skf21("7","4","3","2","4","6","5","1") = "6"
    & skf21("7","4","3","2","4","6","6","1") = "6"
    & skf21("7","4","3","2","4","6","7","1") = "6"
    & skf21("7","4","3","2","4","7","1","1") = "6"
    & skf21("7","4","3","2","4","7","2","1") = "6"
    & skf21("7","4","3","2","4","7","3","1") = "6"
    & skf21("7","4","3","2","4","7","4","1") = "6"
    & skf21("7","4","3","2","4","7","5","1") = "6"
    & skf21("7","4","3","2","4","7","6","1") = "6"
    & skf21("7","4","3","2","4","7","7","1") = "6"
    & skf21("7","4","3","2","5","1","1","1") = "6"
    & skf21("7","4","3","2","5","1","2","1") = "6"
    & skf21("7","4","3","2","5","1","3","1") = "6"
    & skf21("7","4","3","2","5","1","4","1") = "6"
    & skf21("7","4","3","2","5","1","5","1") = "6"
    & skf21("7","4","3","2","5","1","6","1") = "6"
    & skf21("7","4","3","2","5","1","7","1") = "6"
    & skf21("7","4","3","2","5","2","1","1") = "6"
    & skf21("7","4","3","2","5","2","2","1") = "6"
    & skf21("7","4","3","2","5","2","3","1") = "6"
    & skf21("7","4","3","2","5","2","4","1") = "6"
    & skf21("7","4","3","2","5","2","5","1") = "6"
    & skf21("7","4","3","2","5","2","6","1") = "6"
    & skf21("7","4","3","2","5","2","7","1") = "6"
    & skf21("7","4","3","2","5","3","1","1") = "6"
    & skf21("7","4","3","2","5","3","2","1") = "6"
    & skf21("7","4","3","2","5","3","3","1") = "6"
    & skf21("7","4","3","2","5","3","4","1") = "6"
    & skf21("7","4","3","2","5","3","5","1") = "6"
    & skf21("7","4","3","2","5","3","6","1") = "6"
    & skf21("7","4","3","2","5","3","7","1") = "6"
    & skf21("7","4","3","2","5","4","1","1") = "6"
    & skf21("7","4","3","2","5","4","2","1") = "6"
    & skf21("7","4","3","2","5","4","3","1") = "6"
    & skf21("7","4","3","2","5","4","4","1") = "6"
    & skf21("7","4","3","2","5","4","5","1") = "6"
    & skf21("7","4","3","2","5","4","6","1") = "6"
    & skf21("7","4","3","2","5","4","7","1") = "6"
    & skf21("7","4","3","2","5","5","1","1") = "6"
    & skf21("7","4","3","2","5","5","2","1") = "6"
    & skf21("7","4","3","2","5","5","3","1") = "6"
    & skf21("7","4","3","2","5","5","4","1") = "6"
    & skf21("7","4","3","2","5","5","5","1") = "6"
    & skf21("7","4","3","2","5","5","6","1") = "6"
    & skf21("7","4","3","2","5","5","7","1") = "6"
    & skf21("7","4","3","2","5","6","1","1") = "6"
    & skf21("7","4","3","2","5","6","2","1") = "6"
    & skf21("7","4","3","2","5","6","3","1") = "6"
    & skf21("7","4","3","2","5","6","4","1") = "6"
    & skf21("7","4","3","2","5","6","5","1") = "6"
    & skf21("7","4","3","2","5","6","6","1") = "6"
    & skf21("7","4","3","2","5","6","7","1") = "6"
    & skf21("7","4","3","2","5","7","1","1") = "6"
    & skf21("7","4","3","2","5","7","2","1") = "6"
    & skf21("7","4","3","2","5","7","3","1") = "6"
    & skf21("7","4","3","2","5","7","4","1") = "6"
    & skf21("7","4","3","2","5","7","5","1") = "6"
    & skf21("7","4","3","2","5","7","6","1") = "6"
    & skf21("7","4","3","2","5","7","7","1") = "6"
    & skf21("7","4","3","2","6","1","1","1") = "6"
    & skf21("7","4","3","2","6","1","2","1") = "6"
    & skf21("7","4","3","2","6","1","3","1") = "6"
    & skf21("7","4","3","2","6","1","4","1") = "6"
    & skf21("7","4","3","2","6","1","5","1") = "6"
    & skf21("7","4","3","2","6","1","6","1") = "6"
    & skf21("7","4","3","2","6","1","7","1") = "6"
    & skf21("7","4","3","2","6","2","1","1") = "6"
    & skf21("7","4","3","2","6","2","2","1") = "6"
    & skf21("7","4","3","2","6","2","3","1") = "6"
    & skf21("7","4","3","2","6","2","4","1") = "6"
    & skf21("7","4","3","2","6","2","5","1") = "6"
    & skf21("7","4","3","2","6","2","6","1") = "6"
    & skf21("7","4","3","2","6","2","7","1") = "6"
    & skf21("7","4","3","2","6","3","1","1") = "6"
    & skf21("7","4","3","2","6","3","2","1") = "6"
    & skf21("7","4","3","2","6","3","3","1") = "6"
    & skf21("7","4","3","2","6","3","4","1") = "6"
    & skf21("7","4","3","2","6","3","5","1") = "6"
    & skf21("7","4","3","2","6","3","6","1") = "6"
    & skf21("7","4","3","2","6","3","7","1") = "6"
    & skf21("7","4","3","2","6","4","1","1") = "6"
    & skf21("7","4","3","2","6","4","2","1") = "6"
    & skf21("7","4","3","2","6","4","3","1") = "6"
    & skf21("7","4","3","2","6","4","4","1") = "6"
    & skf21("7","4","3","2","6","4","5","1") = "6"
    & skf21("7","4","3","2","6","4","6","1") = "6"
    & skf21("7","4","3","2","6","4","7","1") = "6"
    & skf21("7","4","3","2","6","5","1","1") = "6"
    & skf21("7","4","3","2","6","5","2","1") = "6"
    & skf21("7","4","3","2","6","5","3","1") = "6"
    & skf21("7","4","3","2","6","5","4","1") = "6"
    & skf21("7","4","3","2","6","5","5","1") = "6"
    & skf21("7","4","3","2","6","5","6","1") = "6"
    & skf21("7","4","3","2","6","5","7","1") = "6"
    & skf21("7","4","3","2","6","6","1","1") = "6"
    & skf21("7","4","3","2","6","6","2","1") = "6"
    & skf21("7","4","3","2","6","6","3","1") = "6"
    & skf21("7","4","3","2","6","6","4","1") = "6"
    & skf21("7","4","3","2","6","6","5","1") = "6"
    & skf21("7","4","3","2","6","6","6","1") = "6"
    & skf21("7","4","3","2","6","6","7","1") = "6"
    & skf21("7","4","3","2","6","7","1","1") = "6"
    & skf21("7","4","3","2","6","7","2","1") = "6"
    & skf21("7","4","3","2","6","7","3","1") = "6"
    & skf21("7","4","3","2","6","7","4","1") = "6"
    & skf21("7","4","3","2","6","7","5","1") = "6"
    & skf21("7","4","3","2","6","7","6","1") = "6"
    & skf21("7","4","3","2","6","7","7","1") = "6"
    & skf21("7","4","3","2","7","1","1","1") = "6"
    & skf21("7","4","3","2","7","1","2","1") = "6"
    & skf21("7","4","3","2","7","1","3","1") = "6"
    & skf21("7","4","3","2","7","1","4","1") = "6"
    & skf21("7","4","3","2","7","1","5","1") = "6"
    & skf21("7","4","3","2","7","1","6","1") = "6"
    & skf21("7","4","3","2","7","1","7","1") = "6"
    & skf21("7","4","3","2","7","2","1","1") = "6"
    & skf21("7","4","3","2","7","2","2","1") = "6"
    & skf21("7","4","3","2","7","2","3","1") = "6"
    & skf21("7","4","3","2","7","2","4","1") = "6"
    & skf21("7","4","3","2","7","2","5","1") = "6"
    & skf21("7","4","3","2","7","2","6","1") = "6"
    & skf21("7","4","3","2","7","2","7","1") = "6"
    & skf21("7","4","3","2","7","3","1","1") = "6"
    & skf21("7","4","3","2","7","3","2","1") = "6"
    & skf21("7","4","3","2","7","3","3","1") = "6"
    & skf21("7","4","3","2","7","3","4","1") = "6"
    & skf21("7","4","3","2","7","3","5","1") = "6"
    & skf21("7","4","3","2","7","3","6","1") = "6"
    & skf21("7","4","3","2","7","3","7","1") = "6"
    & skf21("7","4","3","2","7","4","1","1") = "6"
    & skf21("7","4","3","2","7","4","2","1") = "6"
    & skf21("7","4","3","2","7","4","3","1") = "6"
    & skf21("7","4","3","2","7","4","4","1") = "6"
    & skf21("7","4","3","2","7","4","5","1") = "6"
    & skf21("7","4","3","2","7","4","6","1") = "6"
    & skf21("7","4","3","2","7","4","7","1") = "6"
    & skf21("7","4","3","2","7","5","1","1") = "6"
    & skf21("7","4","3","2","7","5","2","1") = "6"
    & skf21("7","4","3","2","7","5","3","1") = "6"
    & skf21("7","4","3","2","7","5","4","1") = "6"
    & skf21("7","4","3","2","7","5","5","1") = "6"
    & skf21("7","4","3","2","7","5","6","1") = "6"
    & skf21("7","4","3","2","7","5","7","1") = "6"
    & skf21("7","4","3","2","7","6","1","1") = "6"
    & skf21("7","4","3","2","7","6","2","1") = "6"
    & skf21("7","4","3","2","7","6","3","1") = "6"
    & skf21("7","4","3","2","7","6","4","1") = "6"
    & skf21("7","4","3","2","7","6","5","1") = "6"
    & skf21("7","4","3","2","7","6","6","1") = "6"
    & skf21("7","4","3","2","7","6","7","1") = "6"
    & skf21("7","4","3","2","7","7","1","1") = "6"
    & skf21("7","4","3","2","7","7","2","1") = "6"
    & skf21("7","4","3","2","7","7","3","1") = "6"
    & skf21("7","4","3","2","7","7","4","1") = "6"
    & skf21("7","4","3","2","7","7","5","1") = "6"
    & skf21("7","4","3","2","7","7","6","1") = "6"
    & skf21("7","4","3","2","7","7","7","1") = "6"
    & skf21("7","4","3","3","1","1","1","1") = "6"
    & skf21("7","4","3","3","1","1","2","1") = "6"
    & skf21("7","4","3","3","1","1","3","1") = "6"
    & skf21("7","4","3","3","1","1","4","1") = "6"
    & skf21("7","4","3","3","1","1","5","1") = "6"
    & skf21("7","4","3","3","1","1","6","1") = "6"
    & skf21("7","4","3","3","1","1","7","1") = "6"
    & skf21("7","4","3","3","1","2","1","1") = "6"
    & skf21("7","4","3","3","1","2","2","1") = "6"
    & skf21("7","4","3","3","1","2","3","1") = "6"
    & skf21("7","4","3","3","1","2","4","1") = "6"
    & skf21("7","4","3","3","1","2","5","1") = "6"
    & skf21("7","4","3","3","1","2","6","1") = "6"
    & skf21("7","4","3","3","1","2","7","1") = "6"
    & skf21("7","4","3","3","1","3","1","1") = "6"
    & skf21("7","4","3","3","1","3","2","1") = "6"
    & skf21("7","4","3","3","1","3","3","1") = "6"
    & skf21("7","4","3","3","1","3","4","1") = "6"
    & skf21("7","4","3","3","1","3","5","1") = "6"
    & skf21("7","4","3","3","1","3","6","1") = "6"
    & skf21("7","4","3","3","1","3","7","1") = "6"
    & skf21("7","4","3","3","1","4","1","1") = "6"
    & skf21("7","4","3","3","1","4","2","1") = "6"
    & skf21("7","4","3","3","1","4","3","1") = "6"
    & skf21("7","4","3","3","1","4","4","1") = "6"
    & skf21("7","4","3","3","1","4","5","1") = "6"
    & skf21("7","4","3","3","1","4","6","1") = "6"
    & skf21("7","4","3","3","1","4","7","1") = "6"
    & skf21("7","4","3","3","1","5","1","1") = "6"
    & skf21("7","4","3","3","1","5","2","1") = "6"
    & skf21("7","4","3","3","1","5","3","1") = "6"
    & skf21("7","4","3","3","1","5","4","1") = "6"
    & skf21("7","4","3","3","1","5","5","1") = "6"
    & skf21("7","4","3","3","1","5","6","1") = "6"
    & skf21("7","4","3","3","1","5","7","1") = "6"
    & skf21("7","4","3","3","1","6","1","1") = "6"
    & skf21("7","4","3","3","1","6","2","1") = "6"
    & skf21("7","4","3","3","1","6","3","1") = "6"
    & skf21("7","4","3","3","1","6","4","1") = "6"
    & skf21("7","4","3","3","1","6","5","1") = "6"
    & skf21("7","4","3","3","1","6","6","1") = "6"
    & skf21("7","4","3","3","1","6","7","1") = "6"
    & skf21("7","4","3","3","1","7","1","1") = "6"
    & skf21("7","4","3","3","1","7","2","1") = "6"
    & skf21("7","4","3","3","1","7","3","1") = "6"
    & skf21("7","4","3","3","1","7","4","1") = "6"
    & skf21("7","4","3","3","1","7","5","1") = "6"
    & skf21("7","4","3","3","1","7","6","1") = "6"
    & skf21("7","4","3","3","1","7","7","1") = "6"
    & skf21("7","4","3","3","2","1","1","1") = "6"
    & skf21("7","4","3","3","2","1","2","1") = "6"
    & skf21("7","4","3","3","2","1","3","1") = "6"
    & skf21("7","4","3","3","2","1","4","1") = "6"
    & skf21("7","4","3","3","2","1","5","1") = "6"
    & skf21("7","4","3","3","2","1","6","1") = "6"
    & skf21("7","4","3","3","2","1","7","1") = "6"
    & skf21("7","4","3","3","2","2","1","1") = "6"
    & skf21("7","4","3","3","2","2","2","1") = "6"
    & skf21("7","4","3","3","2","2","3","1") = "6"
    & skf21("7","4","3","3","2","2","4","1") = "6"
    & skf21("7","4","3","3","2","2","5","1") = "6"
    & skf21("7","4","3","3","2","2","6","1") = "6"
    & skf21("7","4","3","3","2","2","7","1") = "6"
    & skf21("7","4","3","3","2","3","1","1") = "6"
    & skf21("7","4","3","3","2","3","2","1") = "6"
    & skf21("7","4","3","3","2","3","3","1") = "6"
    & skf21("7","4","3","3","2","3","4","1") = "6"
    & skf21("7","4","3","3","2","3","5","1") = "6"
    & skf21("7","4","3","3","2","3","6","1") = "6"
    & skf21("7","4","3","3","2","3","7","1") = "6"
    & skf21("7","4","3","3","2","4","1","1") = "6"
    & skf21("7","4","3","3","2","4","2","1") = "6"
    & skf21("7","4","3","3","2","4","3","1") = "6"
    & skf21("7","4","3","3","2","4","4","1") = "6"
    & skf21("7","4","3","3","2","4","5","1") = "6"
    & skf21("7","4","3","3","2","4","6","1") = "6"
    & skf21("7","4","3","3","2","4","7","1") = "6"
    & skf21("7","4","3","3","2","5","1","1") = "6"
    & skf21("7","4","3","3","2","5","2","1") = "6"
    & skf21("7","4","3","3","2","5","3","1") = "6"
    & skf21("7","4","3","3","2","5","4","1") = "6"
    & skf21("7","4","3","3","2","5","5","1") = "6"
    & skf21("7","4","3","3","2","5","6","1") = "6"
    & skf21("7","4","3","3","2","5","7","1") = "6"
    & skf21("7","4","3","3","2","6","1","1") = "6"
    & skf21("7","4","3","3","2","6","2","1") = "6"
    & skf21("7","4","3","3","2","6","3","1") = "6"
    & skf21("7","4","3","3","2","6","4","1") = "6"
    & skf21("7","4","3","3","2","6","5","1") = "6"
    & skf21("7","4","3","3","2","6","6","1") = "6"
    & skf21("7","4","3","3","2","6","7","1") = "6"
    & skf21("7","4","3","3","2","7","1","1") = "6"
    & skf21("7","4","3","3","2","7","2","1") = "6"
    & skf21("7","4","3","3","2","7","3","1") = "6"
    & skf21("7","4","3","3","2","7","4","1") = "6"
    & skf21("7","4","3","3","2","7","5","1") = "6"
    & skf21("7","4","3","3","2","7","6","1") = "6"
    & skf21("7","4","3","3","2","7","7","1") = "6"
    & skf21("7","4","3","3","3","1","1","1") = "6"
    & skf21("7","4","3","3","3","1","2","1") = "6"
    & skf21("7","4","3","3","3","1","3","1") = "6"
    & skf21("7","4","3","3","3","1","4","1") = "6"
    & skf21("7","4","3","3","3","1","5","1") = "6"
    & skf21("7","4","3","3","3","1","6","1") = "6"
    & skf21("7","4","3","3","3","1","7","1") = "6"
    & skf21("7","4","3","3","3","2","1","1") = "6"
    & skf21("7","4","3","3","3","2","2","1") = "6"
    & skf21("7","4","3","3","3","2","3","1") = "6"
    & skf21("7","4","3","3","3","2","4","1") = "6"
    & skf21("7","4","3","3","3","2","5","1") = "6"
    & skf21("7","4","3","3","3","2","6","1") = "6"
    & skf21("7","4","3","3","3","2","7","1") = "6"
    & skf21("7","4","3","3","3","3","1","1") = "6"
    & skf21("7","4","3","3","3","3","2","1") = "6"
    & skf21("7","4","3","3","3","3","3","1") = "6"
    & skf21("7","4","3","3","3","3","4","1") = "6"
    & skf21("7","4","3","3","3","3","5","1") = "6"
    & skf21("7","4","3","3","3","3","6","1") = "6"
    & skf21("7","4","3","3","3","3","7","1") = "6"
    & skf21("7","4","3","3","3","4","1","1") = "6"
    & skf21("7","4","3","3","3","4","2","1") = "6"
    & skf21("7","4","3","3","3","4","3","1") = "6"
    & skf21("7","4","3","3","3","4","4","1") = "6"
    & skf21("7","4","3","3","3","4","5","1") = "6"
    & skf21("7","4","3","3","3","4","6","1") = "6"
    & skf21("7","4","3","3","3","4","7","1") = "6"
    & skf21("7","4","3","3","3","5","1","1") = "6"
    & skf21("7","4","3","3","3","5","2","1") = "6"
    & skf21("7","4","3","3","3","5","3","1") = "6"
    & skf21("7","4","3","3","3","5","4","1") = "6"
    & skf21("7","4","3","3","3","5","5","1") = "6"
    & skf21("7","4","3","3","3","5","6","1") = "6"
    & skf21("7","4","3","3","3","5","7","1") = "6"
    & skf21("7","4","3","3","3","6","1","1") = "6"
    & skf21("7","4","3","3","3","6","2","1") = "6"
    & skf21("7","4","3","3","3","6","3","1") = "6"
    & skf21("7","4","3","3","3","6","4","1") = "6"
    & skf21("7","4","3","3","3","6","5","1") = "6"
    & skf21("7","4","3","3","3","6","6","1") = "6"
    & skf21("7","4","3","3","3","6","7","1") = "6"
    & skf21("7","4","3","3","3","7","1","1") = "6"
    & skf21("7","4","3","3","3","7","2","1") = "6"
    & skf21("7","4","3","3","3","7","3","1") = "6"
    & skf21("7","4","3","3","3","7","4","1") = "6"
    & skf21("7","4","3","3","3","7","5","1") = "6"
    & skf21("7","4","3","3","3","7","6","1") = "6"
    & skf21("7","4","3","3","3","7","7","1") = "6"
    & skf21("7","4","3","3","4","1","1","1") = "6"
    & skf21("7","4","3","3","4","1","2","1") = "6"
    & skf21("7","4","3","3","4","1","3","1") = "6"
    & skf21("7","4","3","3","4","1","4","1") = "6"
    & skf21("7","4","3","3","4","1","5","1") = "6"
    & skf21("7","4","3","3","4","1","6","1") = "6"
    & skf21("7","4","3","3","4","1","7","1") = "6"
    & skf21("7","4","3","3","4","2","1","1") = "6"
    & skf21("7","4","3","3","4","2","2","1") = "6"
    & skf21("7","4","3","3","4","2","3","1") = "6"
    & skf21("7","4","3","3","4","2","4","1") = "6"
    & skf21("7","4","3","3","4","2","5","1") = "6"
    & skf21("7","4","3","3","4","2","6","1") = "6"
    & skf21("7","4","3","3","4","2","7","1") = "6"
    & skf21("7","4","3","3","4","3","1","1") = "6"
    & skf21("7","4","3","3","4","3","2","1") = "6"
    & skf21("7","4","3","3","4","3","3","1") = "6"
    & skf21("7","4","3","3","4","3","4","1") = "6"
    & skf21("7","4","3","3","4","3","5","1") = "6"
    & skf21("7","4","3","3","4","3","6","1") = "6"
    & skf21("7","4","3","3","4","3","7","1") = "6"
    & skf21("7","4","3","3","4","4","1","1") = "6"
    & skf21("7","4","3","3","4","4","2","1") = "6"
    & skf21("7","4","3","3","4","4","3","1") = "6"
    & skf21("7","4","3","3","4","4","4","1") = "6"
    & skf21("7","4","3","3","4","4","5","1") = "6"
    & skf21("7","4","3","3","4","4","6","1") = "6"
    & skf21("7","4","3","3","4","4","7","1") = "6"
    & skf21("7","4","3","3","4","5","1","1") = "6"
    & skf21("7","4","3","3","4","5","2","1") = "6"
    & skf21("7","4","3","3","4","5","3","1") = "6"
    & skf21("7","4","3","3","4","5","4","1") = "6"
    & skf21("7","4","3","3","4","5","5","1") = "6"
    & skf21("7","4","3","3","4","5","6","1") = "6"
    & skf21("7","4","3","3","4","5","7","1") = "6"
    & skf21("7","4","3","3","4","6","1","1") = "6"
    & skf21("7","4","3","3","4","6","2","1") = "6"
    & skf21("7","4","3","3","4","6","3","1") = "6"
    & skf21("7","4","3","3","4","6","4","1") = "6"
    & skf21("7","4","3","3","4","6","5","1") = "6"
    & skf21("7","4","3","3","4","6","6","1") = "6"
    & skf21("7","4","3","3","4","6","7","1") = "6"
    & skf21("7","4","3","3","4","7","1","1") = "6"
    & skf21("7","4","3","3","4","7","2","1") = "6"
    & skf21("7","4","3","3","4","7","3","1") = "6"
    & skf21("7","4","3","3","4","7","4","1") = "6"
    & skf21("7","4","3","3","4","7","5","1") = "6"
    & skf21("7","4","3","3","4","7","6","1") = "6"
    & skf21("7","4","3","3","4","7","7","1") = "6"
    & skf21("7","4","3","3","5","1","1","1") = "6"
    & skf21("7","4","3","3","5","1","2","1") = "6"
    & skf21("7","4","3","3","5","1","3","1") = "6"
    & skf21("7","4","3","3","5","1","4","1") = "6"
    & skf21("7","4","3","3","5","1","5","1") = "6"
    & skf21("7","4","3","3","5","1","6","1") = "6"
    & skf21("7","4","3","3","5","1","7","1") = "6"
    & skf21("7","4","3","3","5","2","1","1") = "6"
    & skf21("7","4","3","3","5","2","2","1") = "6"
    & skf21("7","4","3","3","5","2","3","1") = "6"
    & skf21("7","4","3","3","5","2","4","1") = "6"
    & skf21("7","4","3","3","5","2","5","1") = "6"
    & skf21("7","4","3","3","5","2","6","1") = "6"
    & skf21("7","4","3","3","5","2","7","1") = "6"
    & skf21("7","4","3","3","5","3","1","1") = "6"
    & skf21("7","4","3","3","5","3","2","1") = "6"
    & skf21("7","4","3","3","5","3","3","1") = "6"
    & skf21("7","4","3","3","5","3","4","1") = "6"
    & skf21("7","4","3","3","5","3","5","1") = "6"
    & skf21("7","4","3","3","5","3","6","1") = "6"
    & skf21("7","4","3","3","5","3","7","1") = "6"
    & skf21("7","4","3","3","5","4","1","1") = "6"
    & skf21("7","4","3","3","5","4","2","1") = "6"
    & skf21("7","4","3","3","5","4","3","1") = "6"
    & skf21("7","4","3","3","5","4","4","1") = "6"
    & skf21("7","4","3","3","5","4","5","1") = "6"
    & skf21("7","4","3","3","5","4","6","1") = "6"
    & skf21("7","4","3","3","5","4","7","1") = "6"
    & skf21("7","4","3","3","5","5","1","1") = "6"
    & skf21("7","4","3","3","5","5","2","1") = "6"
    & skf21("7","4","3","3","5","5","3","1") = "6"
    & skf21("7","4","3","3","5","5","4","1") = "6"
    & skf21("7","4","3","3","5","5","5","1") = "6"
    & skf21("7","4","3","3","5","5","6","1") = "6"
    & skf21("7","4","3","3","5","5","7","1") = "6"
    & skf21("7","4","3","3","5","6","1","1") = "6"
    & skf21("7","4","3","3","5","6","2","1") = "6"
    & skf21("7","4","3","3","5","6","3","1") = "6"
    & skf21("7","4","3","3","5","6","4","1") = "6"
    & skf21("7","4","3","3","5","6","5","1") = "6"
    & skf21("7","4","3","3","5","6","6","1") = "6"
    & skf21("7","4","3","3","5","6","7","1") = "6"
    & skf21("7","4","3","3","5","7","1","1") = "6"
    & skf21("7","4","3","3","5","7","2","1") = "6"
    & skf21("7","4","3","3","5","7","3","1") = "6"
    & skf21("7","4","3","3","5","7","4","1") = "6"
    & skf21("7","4","3","3","5","7","5","1") = "6"
    & skf21("7","4","3","3","5","7","6","1") = "6"
    & skf21("7","4","3","3","5","7","7","1") = "6"
    & skf21("7","4","3","3","6","1","1","1") = "6"
    & skf21("7","4","3","3","6","1","2","1") = "6"
    & skf21("7","4","3","3","6","1","3","1") = "6"
    & skf21("7","4","3","3","6","1","4","1") = "6"
    & skf21("7","4","3","3","6","1","5","1") = "6"
    & skf21("7","4","3","3","6","1","6","1") = "6"
    & skf21("7","4","3","3","6","1","7","1") = "6"
    & skf21("7","4","3","3","6","2","1","1") = "6"
    & skf21("7","4","3","3","6","2","2","1") = "6"
    & skf21("7","4","3","3","6","2","3","1") = "6"
    & skf21("7","4","3","3","6","2","4","1") = "6"
    & skf21("7","4","3","3","6","2","5","1") = "6"
    & skf21("7","4","3","3","6","2","6","1") = "6"
    & skf21("7","4","3","3","6","2","7","1") = "6"
    & skf21("7","4","3","3","6","3","1","1") = "6"
    & skf21("7","4","3","3","6","3","2","1") = "6"
    & skf21("7","4","3","3","6","3","3","1") = "6"
    & skf21("7","4","3","3","6","3","4","1") = "6"
    & skf21("7","4","3","3","6","3","5","1") = "6"
    & skf21("7","4","3","3","6","3","6","1") = "6"
    & skf21("7","4","3","3","6","3","7","1") = "6"
    & skf21("7","4","3","3","6","4","1","1") = "6"
    & skf21("7","4","3","3","6","4","2","1") = "6"
    & skf21("7","4","3","3","6","4","3","1") = "6"
    & skf21("7","4","3","3","6","4","4","1") = "6"
    & skf21("7","4","3","3","6","4","5","1") = "6"
    & skf21("7","4","3","3","6","4","6","1") = "6"
    & skf21("7","4","3","3","6","4","7","1") = "6"
    & skf21("7","4","3","3","6","5","1","1") = "6"
    & skf21("7","4","3","3","6","5","2","1") = "6"
    & skf21("7","4","3","3","6","5","3","1") = "6"
    & skf21("7","4","3","3","6","5","4","1") = "6"
    & skf21("7","4","3","3","6","5","5","1") = "6"
    & skf21("7","4","3","3","6","5","6","1") = "6"
    & skf21("7","4","3","3","6","5","7","1") = "6"
    & skf21("7","4","3","3","6","6","1","1") = "6"
    & skf21("7","4","3","3","6","6","2","1") = "6"
    & skf21("7","4","3","3","6","6","3","1") = "6"
    & skf21("7","4","3","3","6","6","4","1") = "6"
    & skf21("7","4","3","3","6","6","5","1") = "6"
    & skf21("7","4","3","3","6","6","6","1") = "6"
    & skf21("7","4","3","3","6","6","7","1") = "6"
    & skf21("7","4","3","3","6","7","1","1") = "6"
    & skf21("7","4","3","3","6","7","2","1") = "6"
    & skf21("7","4","3","3","6","7","3","1") = "6"
    & skf21("7","4","3","3","6","7","4","1") = "6"
    & skf21("7","4","3","3","6","7","5","1") = "6"
    & skf21("7","4","3","3","6","7","6","1") = "6"
    & skf21("7","4","3","3","6","7","7","1") = "6"
    & skf21("7","4","3","3","7","1","1","1") = "6"
    & skf21("7","4","3","3","7","1","2","1") = "6"
    & skf21("7","4","3","3","7","1","3","1") = "6"
    & skf21("7","4","3","3","7","1","4","1") = "6"
    & skf21("7","4","3","3","7","1","5","1") = "6"
    & skf21("7","4","3","3","7","1","6","1") = "6"
    & skf21("7","4","3","3","7","1","7","1") = "6"
    & skf21("7","4","3","3","7","2","1","1") = "6"
    & skf21("7","4","3","3","7","2","2","1") = "6"
    & skf21("7","4","3","3","7","2","3","1") = "6"
    & skf21("7","4","3","3","7","2","4","1") = "6"
    & skf21("7","4","3","3","7","2","5","1") = "6"
    & skf21("7","4","3","3","7","2","6","1") = "6"
    & skf21("7","4","3","3","7","2","7","1") = "6"
    & skf21("7","4","3","3","7","3","1","1") = "6"
    & skf21("7","4","3","3","7","3","2","1") = "6"
    & skf21("7","4","3","3","7","3","3","1") = "6"
    & skf21("7","4","3","3","7","3","4","1") = "6"
    & skf21("7","4","3","3","7","3","5","1") = "6"
    & skf21("7","4","3","3","7","3","6","1") = "6"
    & skf21("7","4","3","3","7","3","7","1") = "6"
    & skf21("7","4","3","3","7","4","1","1") = "6"
    & skf21("7","4","3","3","7","4","2","1") = "6"
    & skf21("7","4","3","3","7","4","3","1") = "6"
    & skf21("7","4","3","3","7","4","4","1") = "6"
    & skf21("7","4","3","3","7","4","5","1") = "6"
    & skf21("7","4","3","3","7","4","6","1") = "6"
    & skf21("7","4","3","3","7","4","7","1") = "6"
    & skf21("7","4","3","3","7","5","1","1") = "6"
    & skf21("7","4","3","3","7","5","2","1") = "6"
    & skf21("7","4","3","3","7","5","3","1") = "6"
    & skf21("7","4","3","3","7","5","4","1") = "6"
    & skf21("7","4","3","3","7","5","5","1") = "6"
    & skf21("7","4","3","3","7","5","6","1") = "6"
    & skf21("7","4","3","3","7","5","7","1") = "6"
    & skf21("7","4","3","3","7","6","1","1") = "6"
    & skf21("7","4","3","3","7","6","2","1") = "6"
    & skf21("7","4","3","3","7","6","3","1") = "6"
    & skf21("7","4","3","3","7","6","4","1") = "6"
    & skf21("7","4","3","3","7","6","5","1") = "6"
    & skf21("7","4","3","3","7","6","6","1") = "6"
    & skf21("7","4","3","3","7","6","7","1") = "6"
    & skf21("7","4","3","3","7","7","1","1") = "6"
    & skf21("7","4","3","3","7","7","2","1") = "6"
    & skf21("7","4","3","3","7","7","3","1") = "6"
    & skf21("7","4","3","3","7","7","4","1") = "6"
    & skf21("7","4","3","3","7","7","5","1") = "6"
    & skf21("7","4","3","3","7","7","6","1") = "6"
    & skf21("7","4","3","3","7","7","7","1") = "6"
    & skf21("7","4","3","4","1","1","1","1") = "6"
    & skf21("7","4","3","4","1","1","2","1") = "6"
    & skf21("7","4","3","4","1","1","3","1") = "6"
    & skf21("7","4","3","4","1","1","4","1") = "6"
    & skf21("7","4","3","4","1","1","5","1") = "6"
    & skf21("7","4","3","4","1","1","6","1") = "6"
    & skf21("7","4","3","4","1","1","7","1") = "6"
    & skf21("7","4","3","4","1","2","1","1") = "6"
    & skf21("7","4","3","4","1","2","2","1") = "6"
    & skf21("7","4","3","4","1","2","3","1") = "6"
    & skf21("7","4","3","4","1","2","4","1") = "6"
    & skf21("7","4","3","4","1","2","5","1") = "6"
    & skf21("7","4","3","4","1","2","6","1") = "6"
    & skf21("7","4","3","4","1","2","7","1") = "6"
    & skf21("7","4","3","4","1","3","1","1") = "6"
    & skf21("7","4","3","4","1","3","2","1") = "6"
    & skf21("7","4","3","4","1","3","3","1") = "6"
    & skf21("7","4","3","4","1","3","4","1") = "6"
    & skf21("7","4","3","4","1","3","5","1") = "6"
    & skf21("7","4","3","4","1","3","6","1") = "6"
    & skf21("7","4","3","4","1","3","7","1") = "6"
    & skf21("7","4","3","4","1","4","1","1") = "6"
    & skf21("7","4","3","4","1","4","2","1") = "6"
    & skf21("7","4","3","4","1","4","3","1") = "6"
    & skf21("7","4","3","4","1","4","4","1") = "6"
    & skf21("7","4","3","4","1","4","5","1") = "6"
    & skf21("7","4","3","4","1","4","6","1") = "6"
    & skf21("7","4","3","4","1","4","7","1") = "6"
    & skf21("7","4","3","4","1","5","1","1") = "6"
    & skf21("7","4","3","4","1","5","2","1") = "6"
    & skf21("7","4","3","4","1","5","3","1") = "6"
    & skf21("7","4","3","4","1","5","4","1") = "6"
    & skf21("7","4","3","4","1","5","5","1") = "6"
    & skf21("7","4","3","4","1","5","6","1") = "6"
    & skf21("7","4","3","4","1","5","7","1") = "6"
    & skf21("7","4","3","4","1","6","1","1") = "6"
    & skf21("7","4","3","4","1","6","2","1") = "6"
    & skf21("7","4","3","4","1","6","3","1") = "6"
    & skf21("7","4","3","4","1","6","4","1") = "6"
    & skf21("7","4","3","4","1","6","5","1") = "6"
    & skf21("7","4","3","4","1","6","6","1") = "6"
    & skf21("7","4","3","4","1","6","7","1") = "6"
    & skf21("7","4","3","4","1","7","1","1") = "6"
    & skf21("7","4","3","4","1","7","2","1") = "6"
    & skf21("7","4","3","4","1","7","3","1") = "6"
    & skf21("7","4","3","4","1","7","4","1") = "6"
    & skf21("7","4","3","4","1","7","5","1") = "6"
    & skf21("7","4","3","4","1","7","6","1") = "6"
    & skf21("7","4","3","4","1","7","7","1") = "6"
    & skf21("7","4","3","4","2","1","1","1") = "6"
    & skf21("7","4","3","4","2","1","2","1") = "6"
    & skf21("7","4","3","4","2","1","3","1") = "6"
    & skf21("7","4","3","4","2","1","4","1") = "6"
    & skf21("7","4","3","4","2","1","5","1") = "6"
    & skf21("7","4","3","4","2","1","6","1") = "6"
    & skf21("7","4","3","4","2","1","7","1") = "6"
    & skf21("7","4","3","4","2","2","1","1") = "6"
    & skf21("7","4","3","4","2","2","2","1") = "6"
    & skf21("7","4","3","4","2","2","3","1") = "6"
    & skf21("7","4","3","4","2","2","4","1") = "6"
    & skf21("7","4","3","4","2","2","5","1") = "6"
    & skf21("7","4","3","4","2","2","6","1") = "6"
    & skf21("7","4","3","4","2","2","7","1") = "6"
    & skf21("7","4","3","4","2","3","1","1") = "6"
    & skf21("7","4","3","4","2","3","2","1") = "6"
    & skf21("7","4","3","4","2","3","3","1") = "6"
    & skf21("7","4","3","4","2","3","4","1") = "6"
    & skf21("7","4","3","4","2","3","5","1") = "6"
    & skf21("7","4","3","4","2","3","6","1") = "6"
    & skf21("7","4","3","4","2","3","7","1") = "6"
    & skf21("7","4","3","4","2","4","1","1") = "6"
    & skf21("7","4","3","4","2","4","2","1") = "6"
    & skf21("7","4","3","4","2","4","3","1") = "6"
    & skf21("7","4","3","4","2","4","4","1") = "6"
    & skf21("7","4","3","4","2","4","5","1") = "6"
    & skf21("7","4","3","4","2","4","6","1") = "6"
    & skf21("7","4","3","4","2","4","7","1") = "6"
    & skf21("7","4","3","4","2","5","1","1") = "6"
    & skf21("7","4","3","4","2","5","2","1") = "6"
    & skf21("7","4","3","4","2","5","3","1") = "6"
    & skf21("7","4","3","4","2","5","4","1") = "6"
    & skf21("7","4","3","4","2","5","5","1") = "6"
    & skf21("7","4","3","4","2","5","6","1") = "6"
    & skf21("7","4","3","4","2","5","7","1") = "6"
    & skf21("7","4","3","4","2","6","1","1") = "6"
    & skf21("7","4","3","4","2","6","2","1") = "6"
    & skf21("7","4","3","4","2","6","3","1") = "6"
    & skf21("7","4","3","4","2","6","4","1") = "6"
    & skf21("7","4","3","4","2","6","5","1") = "6"
    & skf21("7","4","3","4","2","6","6","1") = "6"
    & skf21("7","4","3","4","2","6","7","1") = "6"
    & skf21("7","4","3","4","2","7","1","1") = "6"
    & skf21("7","4","3","4","2","7","2","1") = "6"
    & skf21("7","4","3","4","2","7","3","1") = "6"
    & skf21("7","4","3","4","2","7","4","1") = "6"
    & skf21("7","4","3","4","2","7","5","1") = "6"
    & skf21("7","4","3","4","2","7","6","1") = "6"
    & skf21("7","4","3","4","2","7","7","1") = "6"
    & skf21("7","4","3","4","3","1","1","1") = "6"
    & skf21("7","4","3","4","3","1","2","1") = "6"
    & skf21("7","4","3","4","3","1","3","1") = "6"
    & skf21("7","4","3","4","3","1","4","1") = "6"
    & skf21("7","4","3","4","3","1","5","1") = "6"
    & skf21("7","4","3","4","3","1","6","1") = "6"
    & skf21("7","4","3","4","3","1","7","1") = "6"
    & skf21("7","4","3","4","3","2","1","1") = "6"
    & skf21("7","4","3","4","3","2","2","1") = "6"
    & skf21("7","4","3","4","3","2","3","1") = "6"
    & skf21("7","4","3","4","3","2","4","1") = "6"
    & skf21("7","4","3","4","3","2","5","1") = "6"
    & skf21("7","4","3","4","3","2","6","1") = "6"
    & skf21("7","4","3","4","3","2","7","1") = "6"
    & skf21("7","4","3","4","3","3","1","1") = "6"
    & skf21("7","4","3","4","3","3","2","1") = "6"
    & skf21("7","4","3","4","3","3","3","1") = "6"
    & skf21("7","4","3","4","3","3","4","1") = "6"
    & skf21("7","4","3","4","3","3","5","1") = "6"
    & skf21("7","4","3","4","3","3","6","1") = "6"
    & skf21("7","4","3","4","3","3","7","1") = "6"
    & skf21("7","4","3","4","3","4","1","1") = "6"
    & skf21("7","4","3","4","3","4","2","1") = "6"
    & skf21("7","4","3","4","3","4","3","1") = "6"
    & skf21("7","4","3","4","3","4","4","1") = "6"
    & skf21("7","4","3","4","3","4","5","1") = "6"
    & skf21("7","4","3","4","3","4","6","1") = "6"
    & skf21("7","4","3","4","3","4","7","1") = "6"
    & skf21("7","4","3","4","3","5","1","1") = "6"
    & skf21("7","4","3","4","3","5","2","1") = "6"
    & skf21("7","4","3","4","3","5","3","1") = "6"
    & skf21("7","4","3","4","3","5","4","1") = "6"
    & skf21("7","4","3","4","3","5","5","1") = "6"
    & skf21("7","4","3","4","3","5","6","1") = "6"
    & skf21("7","4","3","4","3","5","7","1") = "6"
    & skf21("7","4","3","4","3","6","1","1") = "6"
    & skf21("7","4","3","4","3","6","2","1") = "6"
    & skf21("7","4","3","4","3","6","3","1") = "6"
    & skf21("7","4","3","4","3","6","4","1") = "6"
    & skf21("7","4","3","4","3","6","5","1") = "6"
    & skf21("7","4","3","4","3","6","6","1") = "6"
    & skf21("7","4","3","4","3","6","7","1") = "6"
    & skf21("7","4","3","4","3","7","1","1") = "6"
    & skf21("7","4","3","4","3","7","2","1") = "6"
    & skf21("7","4","3","4","3","7","3","1") = "6"
    & skf21("7","4","3","4","3","7","4","1") = "6"
    & skf21("7","4","3","4","3","7","5","1") = "6"
    & skf21("7","4","3","4","3","7","6","1") = "6"
    & skf21("7","4","3","4","3","7","7","1") = "6"
    & skf21("7","4","3","4","4","1","1","1") = "6"
    & skf21("7","4","3","4","4","1","2","1") = "6"
    & skf21("7","4","3","4","4","1","3","1") = "6"
    & skf21("7","4","3","4","4","1","4","1") = "6"
    & skf21("7","4","3","4","4","1","5","1") = "6"
    & skf21("7","4","3","4","4","1","6","1") = "6"
    & skf21("7","4","3","4","4","1","7","1") = "6"
    & skf21("7","4","3","4","4","2","1","1") = "6"
    & skf21("7","4","3","4","4","2","2","1") = "6"
    & skf21("7","4","3","4","4","2","3","1") = "6"
    & skf21("7","4","3","4","4","2","4","1") = "6"
    & skf21("7","4","3","4","4","2","5","1") = "6"
    & skf21("7","4","3","4","4","2","6","1") = "6"
    & skf21("7","4","3","4","4","2","7","1") = "6"
    & skf21("7","4","3","4","4","3","1","1") = "6"
    & skf21("7","4","3","4","4","3","2","1") = "6"
    & skf21("7","4","3","4","4","3","3","1") = "6"
    & skf21("7","4","3","4","4","3","4","1") = "6"
    & skf21("7","4","3","4","4","3","5","1") = "6"
    & skf21("7","4","3","4","4","3","6","1") = "6"
    & skf21("7","4","3","4","4","3","7","1") = "6"
    & skf21("7","4","3","4","4","4","1","1") = "6"
    & skf21("7","4","3","4","4","4","2","1") = "6"
    & skf21("7","4","3","4","4","4","3","1") = "6"
    & skf21("7","4","3","4","4","4","4","1") = "6"
    & skf21("7","4","3","4","4","4","5","1") = "6"
    & skf21("7","4","3","4","4","4","6","1") = "6"
    & skf21("7","4","3","4","4","4","7","1") = "6"
    & skf21("7","4","3","4","4","5","1","1") = "6"
    & skf21("7","4","3","4","4","5","2","1") = "6"
    & skf21("7","4","3","4","4","5","3","1") = "6"
    & skf21("7","4","3","4","4","5","4","1") = "6"
    & skf21("7","4","3","4","4","5","5","1") = "6"
    & skf21("7","4","3","4","4","5","6","1") = "6"
    & skf21("7","4","3","4","4","5","7","1") = "6"
    & skf21("7","4","3","4","4","6","1","1") = "6"
    & skf21("7","4","3","4","4","6","2","1") = "6"
    & skf21("7","4","3","4","4","6","3","1") = "6"
    & skf21("7","4","3","4","4","6","4","1") = "6"
    & skf21("7","4","3","4","4","6","5","1") = "6"
    & skf21("7","4","3","4","4","6","6","1") = "6"
    & skf21("7","4","3","4","4","6","7","1") = "6"
    & skf21("7","4","3","4","4","7","1","1") = "6"
    & skf21("7","4","3","4","4","7","2","1") = "6"
    & skf21("7","4","3","4","4","7","3","1") = "6"
    & skf21("7","4","3","4","4","7","4","1") = "6"
    & skf21("7","4","3","4","4","7","5","1") = "6"
    & skf21("7","4","3","4","4","7","6","1") = "6"
    & skf21("7","4","3","4","4","7","7","1") = "6"
    & skf21("7","4","3","4","5","1","1","1") = "6"
    & skf21("7","4","3","4","5","1","2","1") = "6"
    & skf21("7","4","3","4","5","1","3","1") = "6"
    & skf21("7","4","3","4","5","1","4","1") = "6"
    & skf21("7","4","3","4","5","1","5","1") = "6"
    & skf21("7","4","3","4","5","1","6","1") = "6"
    & skf21("7","4","3","4","5","1","7","1") = "6"
    & skf21("7","4","3","4","5","2","1","1") = "6"
    & skf21("7","4","3","4","5","2","2","1") = "6"
    & skf21("7","4","3","4","5","2","3","1") = "6"
    & skf21("7","4","3","4","5","2","4","1") = "6"
    & skf21("7","4","3","4","5","2","5","1") = "6"
    & skf21("7","4","3","4","5","2","6","1") = "6"
    & skf21("7","4","3","4","5","2","7","1") = "6"
    & skf21("7","4","3","4","5","3","1","1") = "6"
    & skf21("7","4","3","4","5","3","2","1") = "6"
    & skf21("7","4","3","4","5","3","3","1") = "6"
    & skf21("7","4","3","4","5","3","4","1") = "6"
    & skf21("7","4","3","4","5","3","5","1") = "6"
    & skf21("7","4","3","4","5","3","6","1") = "6"
    & skf21("7","4","3","4","5","3","7","1") = "6"
    & skf21("7","4","3","4","5","4","1","1") = "6"
    & skf21("7","4","3","4","5","4","2","1") = "6"
    & skf21("7","4","3","4","5","4","3","1") = "6"
    & skf21("7","4","3","4","5","4","4","1") = "6"
    & skf21("7","4","3","4","5","4","5","1") = "6"
    & skf21("7","4","3","4","5","4","6","1") = "6"
    & skf21("7","4","3","4","5","4","7","1") = "6"
    & skf21("7","4","3","4","5","5","1","1") = "6"
    & skf21("7","4","3","4","5","5","2","1") = "6"
    & skf21("7","4","3","4","5","5","3","1") = "6"
    & skf21("7","4","3","4","5","5","4","1") = "6"
    & skf21("7","4","3","4","5","5","5","1") = "6"
    & skf21("7","4","3","4","5","5","6","1") = "6"
    & skf21("7","4","3","4","5","5","7","1") = "6"
    & skf21("7","4","3","4","5","6","1","1") = "6"
    & skf21("7","4","3","4","5","6","2","1") = "6"
    & skf21("7","4","3","4","5","6","3","1") = "6"
    & skf21("7","4","3","4","5","6","4","1") = "6"
    & skf21("7","4","3","4","5","6","5","1") = "6"
    & skf21("7","4","3","4","5","6","6","1") = "6"
    & skf21("7","4","3","4","5","6","7","1") = "6"
    & skf21("7","4","3","4","5","7","1","1") = "6"
    & skf21("7","4","3","4","5","7","2","1") = "6"
    & skf21("7","4","3","4","5","7","3","1") = "6"
    & skf21("7","4","3","4","5","7","4","1") = "6"
    & skf21("7","4","3","4","5","7","5","1") = "6"
    & skf21("7","4","3","4","5","7","6","1") = "6"
    & skf21("7","4","3","4","5","7","7","1") = "6"
    & skf21("7","4","3","4","6","1","1","1") = "6"
    & skf21("7","4","3","4","6","1","2","1") = "6"
    & skf21("7","4","3","4","6","1","3","1") = "6"
    & skf21("7","4","3","4","6","1","4","1") = "6"
    & skf21("7","4","3","4","6","1","5","1") = "6"
    & skf21("7","4","3","4","6","1","6","1") = "6"
    & skf21("7","4","3","4","6","1","7","1") = "6"
    & skf21("7","4","3","4","6","2","1","1") = "6"
    & skf21("7","4","3","4","6","2","2","1") = "6"
    & skf21("7","4","3","4","6","2","3","1") = "6"
    & skf21("7","4","3","4","6","2","4","1") = "6"
    & skf21("7","4","3","4","6","2","5","1") = "6"
    & skf21("7","4","3","4","6","2","6","1") = "6"
    & skf21("7","4","3","4","6","2","7","1") = "6"
    & skf21("7","4","3","4","6","3","1","1") = "6"
    & skf21("7","4","3","4","6","3","2","1") = "6"
    & skf21("7","4","3","4","6","3","3","1") = "6"
    & skf21("7","4","3","4","6","3","4","1") = "6"
    & skf21("7","4","3","4","6","3","5","1") = "6"
    & skf21("7","4","3","4","6","3","6","1") = "6"
    & skf21("7","4","3","4","6","3","7","1") = "6"
    & skf21("7","4","3","4","6","4","1","1") = "6"
    & skf21("7","4","3","4","6","4","2","1") = "6"
    & skf21("7","4","3","4","6","4","3","1") = "6"
    & skf21("7","4","3","4","6","4","4","1") = "6"
    & skf21("7","4","3","4","6","4","5","1") = "6"
    & skf21("7","4","3","4","6","4","6","1") = "6"
    & skf21("7","4","3","4","6","4","7","1") = "6"
    & skf21("7","4","3","4","6","5","1","1") = "6"
    & skf21("7","4","3","4","6","5","2","1") = "6"
    & skf21("7","4","3","4","6","5","3","1") = "6"
    & skf21("7","4","3","4","6","5","4","1") = "6"
    & skf21("7","4","3","4","6","5","5","1") = "6"
    & skf21("7","4","3","4","6","5","6","1") = "6"
    & skf21("7","4","3","4","6","5","7","1") = "6"
    & skf21("7","4","3","4","6","6","1","1") = "6"
    & skf21("7","4","3","4","6","6","2","1") = "6"
    & skf21("7","4","3","4","6","6","3","1") = "6"
    & skf21("7","4","3","4","6","6","4","1") = "6"
    & skf21("7","4","3","4","6","6","5","1") = "6"
    & skf21("7","4","3","4","6","6","6","1") = "6"
    & skf21("7","4","3","4","6","6","7","1") = "6"
    & skf21("7","4","3","4","6","7","1","1") = "6"
    & skf21("7","4","3","4","6","7","2","1") = "6"
    & skf21("7","4","3","4","6","7","3","1") = "6"
    & skf21("7","4","3","4","6","7","4","1") = "6"
    & skf21("7","4","3","4","6","7","5","1") = "6"
    & skf21("7","4","3","4","6","7","6","1") = "6"
    & skf21("7","4","3","4","6","7","7","1") = "6"
    & skf21("7","4","3","4","7","1","1","1") = "6"
    & skf21("7","4","3","4","7","1","2","1") = "6"
    & skf21("7","4","3","4","7","1","3","1") = "6"
    & skf21("7","4","3","4","7","1","4","1") = "6"
    & skf21("7","4","3","4","7","1","5","1") = "6"
    & skf21("7","4","3","4","7","1","6","1") = "6"
    & skf21("7","4","3","4","7","1","7","1") = "6"
    & skf21("7","4","3","4","7","2","1","1") = "6"
    & skf21("7","4","3","4","7","2","2","1") = "6"
    & skf21("7","4","3","4","7","2","3","1") = "6"
    & skf21("7","4","3","4","7","2","4","1") = "6"
    & skf21("7","4","3","4","7","2","5","1") = "6"
    & skf21("7","4","3","4","7","2","6","1") = "6"
    & skf21("7","4","3","4","7","2","7","1") = "6"
    & skf21("7","4","3","4","7","3","1","1") = "6"
    & skf21("7","4","3","4","7","3","2","1") = "6"
    & skf21("7","4","3","4","7","3","3","1") = "6"
    & skf21("7","4","3","4","7","3","4","1") = "6"
    & skf21("7","4","3","4","7","3","5","1") = "6"
    & skf21("7","4","3","4","7","3","6","1") = "6"
    & skf21("7","4","3","4","7","3","7","1") = "6"
    & skf21("7","4","3","4","7","4","1","1") = "6"
    & skf21("7","4","3","4","7","4","2","1") = "6"
    & skf21("7","4","3","4","7","4","3","1") = "6"
    & skf21("7","4","3","4","7","4","4","1") = "6"
    & skf21("7","4","3","4","7","4","5","1") = "6"
    & skf21("7","4","3","4","7","4","6","1") = "6"
    & skf21("7","4","3","4","7","4","7","1") = "6"
    & skf21("7","4","3","4","7","5","1","1") = "6"
    & skf21("7","4","3","4","7","5","2","1") = "6"
    & skf21("7","4","3","4","7","5","3","1") = "6"
    & skf21("7","4","3","4","7","5","4","1") = "6"
    & skf21("7","4","3","4","7","5","5","1") = "6"
    & skf21("7","4","3","4","7","5","6","1") = "6"
    & skf21("7","4","3","4","7","5","7","1") = "6"
    & skf21("7","4","3","4","7","6","1","1") = "6"
    & skf21("7","4","3","4","7","6","2","1") = "6"
    & skf21("7","4","3","4","7","6","3","1") = "6"
    & skf21("7","4","3","4","7","6","4","1") = "6"
    & skf21("7","4","3","4","7","6","5","1") = "6"
    & skf21("7","4","3","4","7","6","6","1") = "6"
    & skf21("7","4","3","4","7","6","7","1") = "6"
    & skf21("7","4","3","4","7","7","1","1") = "6"
    & skf21("7","4","3","4","7","7","2","1") = "6"
    & skf21("7","4","3","4","7","7","3","1") = "6"
    & skf21("7","4","3","4","7","7","4","1") = "6"
    & skf21("7","4","3","4","7","7","5","1") = "6"
    & skf21("7","4","3","4","7","7","6","1") = "6"
    & skf21("7","4","3","4","7","7","7","1") = "6"
    & skf21("7","4","3","5","1","1","1","1") = "6"
    & skf21("7","4","3","5","1","1","2","1") = "6"
    & skf21("7","4","3","5","1","1","3","1") = "6"
    & skf21("7","4","3","5","1","1","4","1") = "6"
    & skf21("7","4","3","5","1","1","5","1") = "6"
    & skf21("7","4","3","5","1","1","6","1") = "6"
    & skf21("7","4","3","5","1","1","7","1") = "6"
    & skf21("7","4","3","5","1","2","1","1") = "6"
    & skf21("7","4","3","5","1","2","2","1") = "6"
    & skf21("7","4","3","5","1","2","3","1") = "6"
    & skf21("7","4","3","5","1","2","4","1") = "6"
    & skf21("7","4","3","5","1","2","5","1") = "6"
    & skf21("7","4","3","5","1","2","6","1") = "6"
    & skf21("7","4","3","5","1","2","7","1") = "6"
    & skf21("7","4","3","5","1","3","1","1") = "6"
    & skf21("7","4","3","5","1","3","2","1") = "6"
    & skf21("7","4","3","5","1","3","3","1") = "6"
    & skf21("7","4","3","5","1","3","4","1") = "6"
    & skf21("7","4","3","5","1","3","5","1") = "6"
    & skf21("7","4","3","5","1","3","6","1") = "6"
    & skf21("7","4","3","5","1","3","7","1") = "6"
    & skf21("7","4","3","5","1","4","1","1") = "6"
    & skf21("7","4","3","5","1","4","2","1") = "6"
    & skf21("7","4","3","5","1","4","3","1") = "6"
    & skf21("7","4","3","5","1","4","4","1") = "6"
    & skf21("7","4","3","5","1","4","5","1") = "6"
    & skf21("7","4","3","5","1","4","6","1") = "6"
    & skf21("7","4","3","5","1","4","7","1") = "6"
    & skf21("7","4","3","5","1","5","1","1") = "6"
    & skf21("7","4","3","5","1","5","2","1") = "6"
    & skf21("7","4","3","5","1","5","3","1") = "6"
    & skf21("7","4","3","5","1","5","4","1") = "6"
    & skf21("7","4","3","5","1","5","5","1") = "6"
    & skf21("7","4","3","5","1","5","6","1") = "6"
    & skf21("7","4","3","5","1","5","7","1") = "6"
    & skf21("7","4","3","5","1","6","1","1") = "6"
    & skf21("7","4","3","5","1","6","2","1") = "6"
    & skf21("7","4","3","5","1","6","3","1") = "6"
    & skf21("7","4","3","5","1","6","4","1") = "6"
    & skf21("7","4","3","5","1","6","5","1") = "6"
    & skf21("7","4","3","5","1","6","6","1") = "6"
    & skf21("7","4","3","5","1","6","7","1") = "6"
    & skf21("7","4","3","5","1","7","1","1") = "6"
    & skf21("7","4","3","5","1","7","2","1") = "6"
    & skf21("7","4","3","5","1","7","3","1") = "6"
    & skf21("7","4","3","5","1","7","4","1") = "6"
    & skf21("7","4","3","5","1","7","5","1") = "6"
    & skf21("7","4","3","5","1","7","6","1") = "6"
    & skf21("7","4","3","5","1","7","7","1") = "6"
    & skf21("7","4","3","5","2","1","1","1") = "6"
    & skf21("7","4","3","5","2","1","2","1") = "6"
    & skf21("7","4","3","5","2","1","3","1") = "6"
    & skf21("7","4","3","5","2","1","4","1") = "6"
    & skf21("7","4","3","5","2","1","5","1") = "6"
    & skf21("7","4","3","5","2","1","6","1") = "6"
    & skf21("7","4","3","5","2","1","7","1") = "6"
    & skf21("7","4","3","5","2","2","1","1") = "6"
    & skf21("7","4","3","5","2","2","2","1") = "6"
    & skf21("7","4","3","5","2","2","3","1") = "6"
    & skf21("7","4","3","5","2","2","4","1") = "6"
    & skf21("7","4","3","5","2","2","5","1") = "6"
    & skf21("7","4","3","5","2","2","6","1") = "6"
    & skf21("7","4","3","5","2","2","7","1") = "6"
    & skf21("7","4","3","5","2","3","1","1") = "6"
    & skf21("7","4","3","5","2","3","2","1") = "6"
    & skf21("7","4","3","5","2","3","3","1") = "6"
    & skf21("7","4","3","5","2","3","4","1") = "6"
    & skf21("7","4","3","5","2","3","5","1") = "6"
    & skf21("7","4","3","5","2","3","6","1") = "6"
    & skf21("7","4","3","5","2","3","7","1") = "6"
    & skf21("7","4","3","5","2","4","1","1") = "6"
    & skf21("7","4","3","5","2","4","2","1") = "6"
    & skf21("7","4","3","5","2","4","3","1") = "6"
    & skf21("7","4","3","5","2","4","4","1") = "6"
    & skf21("7","4","3","5","2","4","5","1") = "6"
    & skf21("7","4","3","5","2","4","6","1") = "6"
    & skf21("7","4","3","5","2","4","7","1") = "6"
    & skf21("7","4","3","5","2","5","1","1") = "6"
    & skf21("7","4","3","5","2","5","2","1") = "6"
    & skf21("7","4","3","5","2","5","3","1") = "6"
    & skf21("7","4","3","5","2","5","4","1") = "6"
    & skf21("7","4","3","5","2","5","5","1") = "6"
    & skf21("7","4","3","5","2","5","6","1") = "6"
    & skf21("7","4","3","5","2","5","7","1") = "6"
    & skf21("7","4","3","5","2","6","1","1") = "6"
    & skf21("7","4","3","5","2","6","2","1") = "6"
    & skf21("7","4","3","5","2","6","3","1") = "6"
    & skf21("7","4","3","5","2","6","4","1") = "6"
    & skf21("7","4","3","5","2","6","5","1") = "6"
    & skf21("7","4","3","5","2","6","6","1") = "6"
    & skf21("7","4","3","5","2","6","7","1") = "6"
    & skf21("7","4","3","5","2","7","1","1") = "6"
    & skf21("7","4","3","5","2","7","2","1") = "6"
    & skf21("7","4","3","5","2","7","3","1") = "6"
    & skf21("7","4","3","5","2","7","4","1") = "6"
    & skf21("7","4","3","5","2","7","5","1") = "6"
    & skf21("7","4","3","5","2","7","6","1") = "6"
    & skf21("7","4","3","5","2","7","7","1") = "6"
    & skf21("7","4","3","5","3","1","1","1") = "6"
    & skf21("7","4","3","5","3","1","2","1") = "6"
    & skf21("7","4","3","5","3","1","3","1") = "6"
    & skf21("7","4","3","5","3","1","4","1") = "6"
    & skf21("7","4","3","5","3","1","5","1") = "6"
    & skf21("7","4","3","5","3","1","6","1") = "6"
    & skf21("7","4","3","5","3","1","7","1") = "6"
    & skf21("7","4","3","5","3","2","1","1") = "6"
    & skf21("7","4","3","5","3","2","2","1") = "6"
    & skf21("7","4","3","5","3","2","3","1") = "6"
    & skf21("7","4","3","5","3","2","4","1") = "6"
    & skf21("7","4","3","5","3","2","5","1") = "6"
    & skf21("7","4","3","5","3","2","6","1") = "6"
    & skf21("7","4","3","5","3","2","7","1") = "6"
    & skf21("7","4","3","5","3","3","1","1") = "6"
    & skf21("7","4","3","5","3","3","2","1") = "6"
    & skf21("7","4","3","5","3","3","3","1") = "6"
    & skf21("7","4","3","5","3","3","4","1") = "6"
    & skf21("7","4","3","5","3","3","5","1") = "6"
    & skf21("7","4","3","5","3","3","6","1") = "6"
    & skf21("7","4","3","5","3","3","7","1") = "6"
    & skf21("7","4","3","5","3","4","1","1") = "6"
    & skf21("7","4","3","5","3","4","2","1") = "6"
    & skf21("7","4","3","5","3","4","3","1") = "6"
    & skf21("7","4","3","5","3","4","4","1") = "6"
    & skf21("7","4","3","5","3","4","5","1") = "6"
    & skf21("7","4","3","5","3","4","6","1") = "6"
    & skf21("7","4","3","5","3","4","7","1") = "6"
    & skf21("7","4","3","5","3","5","1","1") = "6"
    & skf21("7","4","3","5","3","5","2","1") = "6"
    & skf21("7","4","3","5","3","5","3","1") = "6"
    & skf21("7","4","3","5","3","5","4","1") = "6"
    & skf21("7","4","3","5","3","5","5","1") = "6"
    & skf21("7","4","3","5","3","5","6","1") = "6"
    & skf21("7","4","3","5","3","5","7","1") = "6"
    & skf21("7","4","3","5","3","6","1","1") = "6"
    & skf21("7","4","3","5","3","6","2","1") = "6"
    & skf21("7","4","3","5","3","6","3","1") = "6"
    & skf21("7","4","3","5","3","6","4","1") = "6"
    & skf21("7","4","3","5","3","6","5","1") = "6"
    & skf21("7","4","3","5","3","6","6","1") = "6"
    & skf21("7","4","3","5","3","6","7","1") = "6"
    & skf21("7","4","3","5","3","7","1","1") = "6"
    & skf21("7","4","3","5","3","7","2","1") = "6"
    & skf21("7","4","3","5","3","7","3","1") = "6"
    & skf21("7","4","3","5","3","7","4","1") = "6"
    & skf21("7","4","3","5","3","7","5","1") = "6"
    & skf21("7","4","3","5","3","7","6","1") = "6"
    & skf21("7","4","3","5","3","7","7","1") = "6"
    & skf21("7","4","3","5","4","1","1","1") = "6"
    & skf21("7","4","3","5","4","1","2","1") = "6"
    & skf21("7","4","3","5","4","1","3","1") = "6"
    & skf21("7","4","3","5","4","1","4","1") = "6"
    & skf21("7","4","3","5","4","1","5","1") = "6"
    & skf21("7","4","3","5","4","1","6","1") = "6"
    & skf21("7","4","3","5","4","1","7","1") = "6"
    & skf21("7","4","3","5","4","2","1","1") = "6"
    & skf21("7","4","3","5","4","2","2","1") = "6"
    & skf21("7","4","3","5","4","2","3","1") = "6"
    & skf21("7","4","3","5","4","2","4","1") = "6"
    & skf21("7","4","3","5","4","2","5","1") = "6"
    & skf21("7","4","3","5","4","2","6","1") = "6"
    & skf21("7","4","3","5","4","2","7","1") = "6"
    & skf21("7","4","3","5","4","3","1","1") = "6"
    & skf21("7","4","3","5","4","3","2","1") = "6"
    & skf21("7","4","3","5","4","3","3","1") = "6"
    & skf21("7","4","3","5","4","3","4","1") = "6"
    & skf21("7","4","3","5","4","3","5","1") = "6"
    & skf21("7","4","3","5","4","3","6","1") = "6"
    & skf21("7","4","3","5","4","3","7","1") = "6"
    & skf21("7","4","3","5","4","4","1","1") = "6"
    & skf21("7","4","3","5","4","4","2","1") = "6"
    & skf21("7","4","3","5","4","4","3","1") = "6"
    & skf21("7","4","3","5","4","4","4","1") = "6"
    & skf21("7","4","3","5","4","4","5","1") = "6"
    & skf21("7","4","3","5","4","4","6","1") = "6"
    & skf21("7","4","3","5","4","4","7","1") = "6"
    & skf21("7","4","3","5","4","5","1","1") = "6"
    & skf21("7","4","3","5","4","5","2","1") = "6"
    & skf21("7","4","3","5","4","5","3","1") = "6"
    & skf21("7","4","3","5","4","5","4","1") = "6"
    & skf21("7","4","3","5","4","5","5","1") = "6"
    & skf21("7","4","3","5","4","5","6","1") = "6"
    & skf21("7","4","3","5","4","5","7","1") = "6"
    & skf21("7","4","3","5","4","6","1","1") = "6"
    & skf21("7","4","3","5","4","6","2","1") = "6"
    & skf21("7","4","3","5","4","6","3","1") = "6"
    & skf21("7","4","3","5","4","6","4","1") = "6"
    & skf21("7","4","3","5","4","6","5","1") = "6"
    & skf21("7","4","3","5","4","6","6","1") = "6"
    & skf21("7","4","3","5","4","6","7","1") = "6"
    & skf21("7","4","3","5","4","7","1","1") = "6"
    & skf21("7","4","3","5","4","7","2","1") = "6"
    & skf21("7","4","3","5","4","7","3","1") = "6"
    & skf21("7","4","3","5","4","7","4","1") = "6"
    & skf21("7","4","3","5","4","7","5","1") = "6"
    & skf21("7","4","3","5","4","7","6","1") = "6"
    & skf21("7","4","3","5","4","7","7","1") = "6"
    & skf21("7","4","3","5","5","1","1","1") = "6"
    & skf21("7","4","3","5","5","1","2","1") = "6"
    & skf21("7","4","3","5","5","1","3","1") = "6"
    & skf21("7","4","3","5","5","1","4","1") = "6"
    & skf21("7","4","3","5","5","1","5","1") = "6"
    & skf21("7","4","3","5","5","1","6","1") = "6"
    & skf21("7","4","3","5","5","1","7","1") = "6"
    & skf21("7","4","3","5","5","2","1","1") = "6"
    & skf21("7","4","3","5","5","2","2","1") = "6"
    & skf21("7","4","3","5","5","2","3","1") = "6"
    & skf21("7","4","3","5","5","2","4","1") = "6"
    & skf21("7","4","3","5","5","2","5","1") = "6"
    & skf21("7","4","3","5","5","2","6","1") = "6"
    & skf21("7","4","3","5","5","2","7","1") = "6"
    & skf21("7","4","3","5","5","3","1","1") = "6"
    & skf21("7","4","3","5","5","3","2","1") = "6"
    & skf21("7","4","3","5","5","3","3","1") = "6"
    & skf21("7","4","3","5","5","3","4","1") = "6"
    & skf21("7","4","3","5","5","3","5","1") = "6"
    & skf21("7","4","3","5","5","3","6","1") = "6"
    & skf21("7","4","3","5","5","3","7","1") = "6"
    & skf21("7","4","3","5","5","4","1","1") = "6"
    & skf21("7","4","3","5","5","4","2","1") = "6"
    & skf21("7","4","3","5","5","4","3","1") = "6"
    & skf21("7","4","3","5","5","4","4","1") = "6"
    & skf21("7","4","3","5","5","4","5","1") = "6"
    & skf21("7","4","3","5","5","4","6","1") = "6"
    & skf21("7","4","3","5","5","4","7","1") = "6"
    & skf21("7","4","3","5","5","5","1","1") = "6"
    & skf21("7","4","3","5","5","5","2","1") = "6"
    & skf21("7","4","3","5","5","5","3","1") = "6"
    & skf21("7","4","3","5","5","5","4","1") = "6"
    & skf21("7","4","3","5","5","5","5","1") = "6"
    & skf21("7","4","3","5","5","5","6","1") = "6"
    & skf21("7","4","3","5","5","5","7","1") = "6"
    & skf21("7","4","3","5","5","6","1","1") = "6"
    & skf21("7","4","3","5","5","6","2","1") = "6"
    & skf21("7","4","3","5","5","6","3","1") = "6"
    & skf21("7","4","3","5","5","6","4","1") = "6"
    & skf21("7","4","3","5","5","6","5","1") = "6"
    & skf21("7","4","3","5","5","6","6","1") = "6"
    & skf21("7","4","3","5","5","6","7","1") = "6"
    & skf21("7","4","3","5","5","7","1","1") = "6"
    & skf21("7","4","3","5","5","7","2","1") = "6"
    & skf21("7","4","3","5","5","7","3","1") = "6"
    & skf21("7","4","3","5","5","7","4","1") = "6"
    & skf21("7","4","3","5","5","7","5","1") = "6"
    & skf21("7","4","3","5","5","7","6","1") = "6"
    & skf21("7","4","3","5","5","7","7","1") = "6"
    & skf21("7","4","3","5","6","1","1","1") = "6"
    & skf21("7","4","3","5","6","1","2","1") = "6"
    & skf21("7","4","3","5","6","1","3","1") = "6"
    & skf21("7","4","3","5","6","1","4","1") = "6"
    & skf21("7","4","3","5","6","1","5","1") = "6"
    & skf21("7","4","3","5","6","1","6","1") = "6"
    & skf21("7","4","3","5","6","1","7","1") = "6"
    & skf21("7","4","3","5","6","2","1","1") = "6"
    & skf21("7","4","3","5","6","2","2","1") = "6"
    & skf21("7","4","3","5","6","2","3","1") = "6"
    & skf21("7","4","3","5","6","2","4","1") = "6"
    & skf21("7","4","3","5","6","2","5","1") = "6"
    & skf21("7","4","3","5","6","2","6","1") = "6"
    & skf21("7","4","3","5","6","2","7","1") = "6"
    & skf21("7","4","3","5","6","3","1","1") = "6"
    & skf21("7","4","3","5","6","3","2","1") = "6"
    & skf21("7","4","3","5","6","3","3","1") = "6"
    & skf21("7","4","3","5","6","3","4","1") = "6"
    & skf21("7","4","3","5","6","3","5","1") = "6"
    & skf21("7","4","3","5","6","3","6","1") = "6"
    & skf21("7","4","3","5","6","3","7","1") = "6"
    & skf21("7","4","3","5","6","4","1","1") = "6"
    & skf21("7","4","3","5","6","4","2","1") = "6"
    & skf21("7","4","3","5","6","4","3","1") = "6"
    & skf21("7","4","3","5","6","4","4","1") = "6"
    & skf21("7","4","3","5","6","4","5","1") = "6"
    & skf21("7","4","3","5","6","4","6","1") = "6"
    & skf21("7","4","3","5","6","4","7","1") = "6"
    & skf21("7","4","3","5","6","5","1","1") = "6"
    & skf21("7","4","3","5","6","5","2","1") = "6"
    & skf21("7","4","3","5","6","5","3","1") = "6"
    & skf21("7","4","3","5","6","5","4","1") = "6"
    & skf21("7","4","3","5","6","5","5","1") = "6"
    & skf21("7","4","3","5","6","5","6","1") = "6"
    & skf21("7","4","3","5","6","5","7","1") = "6"
    & skf21("7","4","3","5","6","6","1","1") = "6"
    & skf21("7","4","3","5","6","6","2","1") = "6"
    & skf21("7","4","3","5","6","6","3","1") = "6"
    & skf21("7","4","3","5","6","6","4","1") = "6"
    & skf21("7","4","3","5","6","6","5","1") = "6"
    & skf21("7","4","3","5","6","6","6","1") = "6"
    & skf21("7","4","3","5","6","6","7","1") = "6"
    & skf21("7","4","3","5","6","7","1","1") = "6"
    & skf21("7","4","3","5","6","7","2","1") = "6"
    & skf21("7","4","3","5","6","7","3","1") = "6"
    & skf21("7","4","3","5","6","7","4","1") = "6"
    & skf21("7","4","3","5","6","7","5","1") = "6"
    & skf21("7","4","3","5","6","7","6","1") = "6"
    & skf21("7","4","3","5","6","7","7","1") = "6"
    & skf21("7","4","3","5","7","1","1","1") = "6"
    & skf21("7","4","3","5","7","1","2","1") = "6"
    & skf21("7","4","3","5","7","1","3","1") = "6"
    & skf21("7","4","3","5","7","1","4","1") = "6"
    & skf21("7","4","3","5","7","1","5","1") = "6"
    & skf21("7","4","3","5","7","1","6","1") = "6"
    & skf21("7","4","3","5","7","1","7","1") = "6"
    & skf21("7","4","3","5","7","2","1","1") = "6"
    & skf21("7","4","3","5","7","2","2","1") = "6"
    & skf21("7","4","3","5","7","2","3","1") = "6"
    & skf21("7","4","3","5","7","2","4","1") = "6"
    & skf21("7","4","3","5","7","2","5","1") = "6"
    & skf21("7","4","3","5","7","2","6","1") = "6"
    & skf21("7","4","3","5","7","2","7","1") = "6"
    & skf21("7","4","3","5","7","3","1","1") = "6"
    & skf21("7","4","3","5","7","3","2","1") = "6"
    & skf21("7","4","3","5","7","3","3","1") = "6"
    & skf21("7","4","3","5","7","3","4","1") = "6"
    & skf21("7","4","3","5","7","3","5","1") = "6"
    & skf21("7","4","3","5","7","3","6","1") = "6"
    & skf21("7","4","3","5","7","3","7","1") = "6"
    & skf21("7","4","3","5","7","4","1","1") = "6"
    & skf21("7","4","3","5","7","4","2","1") = "6"
    & skf21("7","4","3","5","7","4","3","1") = "6"
    & skf21("7","4","3","5","7","4","4","1") = "6"
    & skf21("7","4","3","5","7","4","5","1") = "6"
    & skf21("7","4","3","5","7","4","6","1") = "6"
    & skf21("7","4","3","5","7","4","7","1") = "6"
    & skf21("7","4","3","5","7","5","1","1") = "6"
    & skf21("7","4","3","5","7","5","2","1") = "6"
    & skf21("7","4","3","5","7","5","3","1") = "6"
    & skf21("7","4","3","5","7","5","4","1") = "6"
    & skf21("7","4","3","5","7","5","5","1") = "6"
    & skf21("7","4","3","5","7","5","6","1") = "6"
    & skf21("7","4","3","5","7","5","7","1") = "6"
    & skf21("7","4","3","5","7","6","1","1") = "6"
    & skf21("7","4","3","5","7","6","2","1") = "6"
    & skf21("7","4","3","5","7","6","3","1") = "6"
    & skf21("7","4","3","5","7","6","4","1") = "6"
    & skf21("7","4","3","5","7","6","5","1") = "6"
    & skf21("7","4","3","5","7","6","6","1") = "6"
    & skf21("7","4","3","5","7","6","7","1") = "6"
    & skf21("7","4","3","5","7","7","1","1") = "6"
    & skf21("7","4","3","5","7","7","2","1") = "6"
    & skf21("7","4","3","5","7","7","3","1") = "6"
    & skf21("7","4","3","5","7","7","4","1") = "6"
    & skf21("7","4","3","5","7","7","5","1") = "6"
    & skf21("7","4","3","5","7","7","6","1") = "6"
    & skf21("7","4","3","5","7","7","7","1") = "6"
    & skf21("7","4","3","6","1","1","1","1") = "6"
    & skf21("7","4","3","6","1","1","2","1") = "6"
    & skf21("7","4","3","6","1","1","3","1") = "6"
    & skf21("7","4","3","6","1","1","4","1") = "6"
    & skf21("7","4","3","6","1","1","5","1") = "6"
    & skf21("7","4","3","6","1","1","6","1") = "6"
    & skf21("7","4","3","6","1","1","7","1") = "6"
    & skf21("7","4","3","6","1","2","1","1") = "6"
    & skf21("7","4","3","6","1","2","2","1") = "6"
    & skf21("7","4","3","6","1","2","3","1") = "6"
    & skf21("7","4","3","6","1","2","4","1") = "6"
    & skf21("7","4","3","6","1","2","5","1") = "6"
    & skf21("7","4","3","6","1","2","6","1") = "6"
    & skf21("7","4","3","6","1","2","7","1") = "6"
    & skf21("7","4","3","6","1","3","1","1") = "6"
    & skf21("7","4","3","6","1","3","2","1") = "6"
    & skf21("7","4","3","6","1","3","3","1") = "6"
    & skf21("7","4","3","6","1","3","4","1") = "6"
    & skf21("7","4","3","6","1","3","5","1") = "6"
    & skf21("7","4","3","6","1","3","6","1") = "6"
    & skf21("7","4","3","6","1","3","7","1") = "6"
    & skf21("7","4","3","6","1","4","1","1") = "6"
    & skf21("7","4","3","6","1","4","2","1") = "6"
    & skf21("7","4","3","6","1","4","3","1") = "6"
    & skf21("7","4","3","6","1","4","4","1") = "6"
    & skf21("7","4","3","6","1","4","5","1") = "6"
    & skf21("7","4","3","6","1","4","6","1") = "6"
    & skf21("7","4","3","6","1","4","7","1") = "6"
    & skf21("7","4","3","6","1","5","1","1") = "6"
    & skf21("7","4","3","6","1","5","2","1") = "6"
    & skf21("7","4","3","6","1","5","3","1") = "6"
    & skf21("7","4","3","6","1","5","4","1") = "6"
    & skf21("7","4","3","6","1","5","5","1") = "6"
    & skf21("7","4","3","6","1","5","6","1") = "6"
    & skf21("7","4","3","6","1","5","7","1") = "6"
    & skf21("7","4","3","6","1","6","1","1") = "6"
    & skf21("7","4","3","6","1","6","2","1") = "6"
    & skf21("7","4","3","6","1","6","3","1") = "6"
    & skf21("7","4","3","6","1","6","4","1") = "6"
    & skf21("7","4","3","6","1","6","5","1") = "6"
    & skf21("7","4","3","6","1","6","6","1") = "6"
    & skf21("7","4","3","6","1","6","7","1") = "6"
    & skf21("7","4","3","6","1","7","1","1") = "6"
    & skf21("7","4","3","6","1","7","2","1") = "6"
    & skf21("7","4","3","6","1","7","3","1") = "6"
    & skf21("7","4","3","6","1","7","4","1") = "6"
    & skf21("7","4","3","6","1","7","5","1") = "6"
    & skf21("7","4","3","6","1","7","6","1") = "6"
    & skf21("7","4","3","6","1","7","7","1") = "6"
    & skf21("7","4","3","6","2","1","1","1") = "6"
    & skf21("7","4","3","6","2","1","2","1") = "6"
    & skf21("7","4","3","6","2","1","3","1") = "6"
    & skf21("7","4","3","6","2","1","4","1") = "6"
    & skf21("7","4","3","6","2","1","5","1") = "6"
    & skf21("7","4","3","6","2","1","6","1") = "6"
    & skf21("7","4","3","6","2","1","7","1") = "6"
    & skf21("7","4","3","6","2","2","1","1") = "6"
    & skf21("7","4","3","6","2","2","2","1") = "6"
    & skf21("7","4","3","6","2","2","3","1") = "6"
    & skf21("7","4","3","6","2","2","4","1") = "6"
    & skf21("7","4","3","6","2","2","5","1") = "6"
    & skf21("7","4","3","6","2","2","6","1") = "6"
    & skf21("7","4","3","6","2","2","7","1") = "6"
    & skf21("7","4","3","6","2","3","1","1") = "6"
    & skf21("7","4","3","6","2","3","2","1") = "6"
    & skf21("7","4","3","6","2","3","3","1") = "6"
    & skf21("7","4","3","6","2","3","4","1") = "6"
    & skf21("7","4","3","6","2","3","5","1") = "6"
    & skf21("7","4","3","6","2","3","6","1") = "6"
    & skf21("7","4","3","6","2","3","7","1") = "6"
    & skf21("7","4","3","6","2","4","1","1") = "6"
    & skf21("7","4","3","6","2","4","2","1") = "6"
    & skf21("7","4","3","6","2","4","3","1") = "6"
    & skf21("7","4","3","6","2","4","4","1") = "6"
    & skf21("7","4","3","6","2","4","5","1") = "6"
    & skf21("7","4","3","6","2","4","6","1") = "6"
    & skf21("7","4","3","6","2","4","7","1") = "6"
    & skf21("7","4","3","6","2","5","1","1") = "6"
    & skf21("7","4","3","6","2","5","2","1") = "6"
    & skf21("7","4","3","6","2","5","3","1") = "6"
    & skf21("7","4","3","6","2","5","4","1") = "6"
    & skf21("7","4","3","6","2","5","5","1") = "6"
    & skf21("7","4","3","6","2","5","6","1") = "6"
    & skf21("7","4","3","6","2","5","7","1") = "6"
    & skf21("7","4","3","6","2","6","1","1") = "6"
    & skf21("7","4","3","6","2","6","2","1") = "6"
    & skf21("7","4","3","6","2","6","3","1") = "6"
    & skf21("7","4","3","6","2","6","4","1") = "6"
    & skf21("7","4","3","6","2","6","5","1") = "6"
    & skf21("7","4","3","6","2","6","6","1") = "6"
    & skf21("7","4","3","6","2","6","7","1") = "6"
    & skf21("7","4","3","6","2","7","1","1") = "6"
    & skf21("7","4","3","6","2","7","2","1") = "6"
    & skf21("7","4","3","6","2","7","3","1") = "6"
    & skf21("7","4","3","6","2","7","4","1") = "6"
    & skf21("7","4","3","6","2","7","5","1") = "6"
    & skf21("7","4","3","6","2","7","6","1") = "6"
    & skf21("7","4","3","6","2","7","7","1") = "6"
    & skf21("7","4","3","6","3","1","1","1") = "6"
    & skf21("7","4","3","6","3","1","2","1") = "6"
    & skf21("7","4","3","6","3","1","3","1") = "6"
    & skf21("7","4","3","6","3","1","4","1") = "6"
    & skf21("7","4","3","6","3","1","5","1") = "6"
    & skf21("7","4","3","6","3","1","6","1") = "6"
    & skf21("7","4","3","6","3","1","7","1") = "6"
    & skf21("7","4","3","6","3","2","1","1") = "6"
    & skf21("7","4","3","6","3","2","2","1") = "6"
    & skf21("7","4","3","6","3","2","3","1") = "6"
    & skf21("7","4","3","6","3","2","4","1") = "6"
    & skf21("7","4","3","6","3","2","5","1") = "6"
    & skf21("7","4","3","6","3","2","6","1") = "6"
    & skf21("7","4","3","6","3","2","7","1") = "6"
    & skf21("7","4","3","6","3","3","1","1") = "6"
    & skf21("7","4","3","6","3","3","2","1") = "6"
    & skf21("7","4","3","6","3","3","3","1") = "6"
    & skf21("7","4","3","6","3","3","4","1") = "6"
    & skf21("7","4","3","6","3","3","5","1") = "6"
    & skf21("7","4","3","6","3","3","6","1") = "6"
    & skf21("7","4","3","6","3","3","7","1") = "6"
    & skf21("7","4","3","6","3","4","1","1") = "6"
    & skf21("7","4","3","6","3","4","2","1") = "6"
    & skf21("7","4","3","6","3","4","3","1") = "6"
    & skf21("7","4","3","6","3","4","4","1") = "6"
    & skf21("7","4","3","6","3","4","5","1") = "6"
    & skf21("7","4","3","6","3","4","6","1") = "6"
    & skf21("7","4","3","6","3","4","7","1") = "6"
    & skf21("7","4","3","6","3","5","1","1") = "6"
    & skf21("7","4","3","6","3","5","2","1") = "6"
    & skf21("7","4","3","6","3","5","3","1") = "6"
    & skf21("7","4","3","6","3","5","4","1") = "6"
    & skf21("7","4","3","6","3","5","5","1") = "6"
    & skf21("7","4","3","6","3","5","6","1") = "6"
    & skf21("7","4","3","6","3","5","7","1") = "6"
    & skf21("7","4","3","6","3","6","1","1") = "6"
    & skf21("7","4","3","6","3","6","2","1") = "6"
    & skf21("7","4","3","6","3","6","3","1") = "6"
    & skf21("7","4","3","6","3","6","4","1") = "6"
    & skf21("7","4","3","6","3","6","5","1") = "6"
    & skf21("7","4","3","6","3","6","6","1") = "6"
    & skf21("7","4","3","6","3","6","7","1") = "6"
    & skf21("7","4","3","6","3","7","1","1") = "6"
    & skf21("7","4","3","6","3","7","2","1") = "6"
    & skf21("7","4","3","6","3","7","3","1") = "6"
    & skf21("7","4","3","6","3","7","4","1") = "6"
    & skf21("7","4","3","6","3","7","5","1") = "6"
    & skf21("7","4","3","6","3","7","6","1") = "6"
    & skf21("7","4","3","6","3","7","7","1") = "6"
    & skf21("7","4","3","6","4","1","1","1") = "6"
    & skf21("7","4","3","6","4","1","2","1") = "6"
    & skf21("7","4","3","6","4","1","3","1") = "6"
    & skf21("7","4","3","6","4","1","4","1") = "6"
    & skf21("7","4","3","6","4","1","5","1") = "6"
    & skf21("7","4","3","6","4","1","6","1") = "6"
    & skf21("7","4","3","6","4","1","7","1") = "6"
    & skf21("7","4","3","6","4","2","1","1") = "6"
    & skf21("7","4","3","6","4","2","2","1") = "6"
    & skf21("7","4","3","6","4","2","3","1") = "6"
    & skf21("7","4","3","6","4","2","4","1") = "6"
    & skf21("7","4","3","6","4","2","5","1") = "6"
    & skf21("7","4","3","6","4","2","6","1") = "6"
    & skf21("7","4","3","6","4","2","7","1") = "6"
    & skf21("7","4","3","6","4","3","1","1") = "6"
    & skf21("7","4","3","6","4","3","2","1") = "6"
    & skf21("7","4","3","6","4","3","3","1") = "6"
    & skf21("7","4","3","6","4","3","4","1") = "6"
    & skf21("7","4","3","6","4","3","5","1") = "6"
    & skf21("7","4","3","6","4","3","6","1") = "6"
    & skf21("7","4","3","6","4","3","7","1") = "6"
    & skf21("7","4","3","6","4","4","1","1") = "6"
    & skf21("7","4","3","6","4","4","2","1") = "6"
    & skf21("7","4","3","6","4","4","3","1") = "6"
    & skf21("7","4","3","6","4","4","4","1") = "6"
    & skf21("7","4","3","6","4","4","5","1") = "6"
    & skf21("7","4","3","6","4","4","6","1") = "6"
    & skf21("7","4","3","6","4","4","7","1") = "6"
    & skf21("7","4","3","6","4","5","1","1") = "6"
    & skf21("7","4","3","6","4","5","2","1") = "6"
    & skf21("7","4","3","6","4","5","3","1") = "6"
    & skf21("7","4","3","6","4","5","4","1") = "6"
    & skf21("7","4","3","6","4","5","5","1") = "6"
    & skf21("7","4","3","6","4","5","6","1") = "6"
    & skf21("7","4","3","6","4","5","7","1") = "6"
    & skf21("7","4","3","6","4","6","1","1") = "6"
    & skf21("7","4","3","6","4","6","2","1") = "6"
    & skf21("7","4","3","6","4","6","3","1") = "6"
    & skf21("7","4","3","6","4","6","4","1") = "6"
    & skf21("7","4","3","6","4","6","5","1") = "6"
    & skf21("7","4","3","6","4","6","6","1") = "6"
    & skf21("7","4","3","6","4","6","7","1") = "6"
    & skf21("7","4","3","6","4","7","1","1") = "6"
    & skf21("7","4","3","6","4","7","2","1") = "6"
    & skf21("7","4","3","6","4","7","3","1") = "6"
    & skf21("7","4","3","6","4","7","4","1") = "6"
    & skf21("7","4","3","6","4","7","5","1") = "6"
    & skf21("7","4","3","6","4","7","6","1") = "6"
    & skf21("7","4","3","6","4","7","7","1") = "6"
    & skf21("7","4","3","6","5","1","1","1") = "6"
    & skf21("7","4","3","6","5","1","2","1") = "6"
    & skf21("7","4","3","6","5","1","3","1") = "6"
    & skf21("7","4","3","6","5","1","4","1") = "6"
    & skf21("7","4","3","6","5","1","5","1") = "6"
    & skf21("7","4","3","6","5","1","6","1") = "6"
    & skf21("7","4","3","6","5","1","7","1") = "6"
    & skf21("7","4","3","6","5","2","1","1") = "6"
    & skf21("7","4","3","6","5","2","2","1") = "6"
    & skf21("7","4","3","6","5","2","3","1") = "6"
    & skf21("7","4","3","6","5","2","4","1") = "6"
    & skf21("7","4","3","6","5","2","5","1") = "6"
    & skf21("7","4","3","6","5","2","6","1") = "6"
    & skf21("7","4","3","6","5","2","7","1") = "6"
    & skf21("7","4","3","6","5","3","1","1") = "6"
    & skf21("7","4","3","6","5","3","2","1") = "6"
    & skf21("7","4","3","6","5","3","3","1") = "6"
    & skf21("7","4","3","6","5","3","4","1") = "6"
    & skf21("7","4","3","6","5","3","5","1") = "6"
    & skf21("7","4","3","6","5","3","6","1") = "6"
    & skf21("7","4","3","6","5","3","7","1") = "6"
    & skf21("7","4","3","6","5","4","1","1") = "6"
    & skf21("7","4","3","6","5","4","2","1") = "6"
    & skf21("7","4","3","6","5","4","3","1") = "6"
    & skf21("7","4","3","6","5","4","4","1") = "6"
    & skf21("7","4","3","6","5","4","5","1") = "6"
    & skf21("7","4","3","6","5","4","6","1") = "6"
    & skf21("7","4","3","6","5","4","7","1") = "6"
    & skf21("7","4","3","6","5","5","1","1") = "6"
    & skf21("7","4","3","6","5","5","2","1") = "6"
    & skf21("7","4","3","6","5","5","3","1") = "6"
    & skf21("7","4","3","6","5","5","4","1") = "6"
    & skf21("7","4","3","6","5","5","5","1") = "6"
    & skf21("7","4","3","6","5","5","6","1") = "6"
    & skf21("7","4","3","6","5","5","7","1") = "6"
    & skf21("7","4","3","6","5","6","1","1") = "6"
    & skf21("7","4","3","6","5","6","2","1") = "6"
    & skf21("7","4","3","6","5","6","3","1") = "6"
    & skf21("7","4","3","6","5","6","4","1") = "6"
    & skf21("7","4","3","6","5","6","5","1") = "6"
    & skf21("7","4","3","6","5","6","6","1") = "6"
    & skf21("7","4","3","6","5","6","7","1") = "6"
    & skf21("7","4","3","6","5","7","1","1") = "6"
    & skf21("7","4","3","6","5","7","2","1") = "6"
    & skf21("7","4","3","6","5","7","3","1") = "6"
    & skf21("7","4","3","6","5","7","4","1") = "6"
    & skf21("7","4","3","6","5","7","5","1") = "6"
    & skf21("7","4","3","6","5","7","6","1") = "6"
    & skf21("7","4","3","6","5","7","7","1") = "6"
    & skf21("7","4","3","6","6","1","1","1") = "6"
    & skf21("7","4","3","6","6","1","2","1") = "6"
    & skf21("7","4","3","6","6","1","3","1") = "6"
    & skf21("7","4","3","6","6","1","4","1") = "6"
    & skf21("7","4","3","6","6","1","5","1") = "6"
    & skf21("7","4","3","6","6","1","6","1") = "6"
    & skf21("7","4","3","6","6","1","7","1") = "6"
    & skf21("7","4","3","6","6","2","1","1") = "6"
    & skf21("7","4","3","6","6","2","2","1") = "6"
    & skf21("7","4","3","6","6","2","3","1") = "6"
    & skf21("7","4","3","6","6","2","4","1") = "6"
    & skf21("7","4","3","6","6","2","5","1") = "6"
    & skf21("7","4","3","6","6","2","6","1") = "6"
    & skf21("7","4","3","6","6","2","7","1") = "6"
    & skf21("7","4","3","6","6","3","1","1") = "6"
    & skf21("7","4","3","6","6","3","2","1") = "6"
    & skf21("7","4","3","6","6","3","3","1") = "6"
    & skf21("7","4","3","6","6","3","4","1") = "6"
    & skf21("7","4","3","6","6","3","5","1") = "6"
    & skf21("7","4","3","6","6","3","6","1") = "6"
    & skf21("7","4","3","6","6","3","7","1") = "6"
    & skf21("7","4","3","6","6","4","1","1") = "6"
    & skf21("7","4","3","6","6","4","2","1") = "6"
    & skf21("7","4","3","6","6","4","3","1") = "6"
    & skf21("7","4","3","6","6","4","4","1") = "6"
    & skf21("7","4","3","6","6","4","5","1") = "6"
    & skf21("7","4","3","6","6","4","6","1") = "6"
    & skf21("7","4","3","6","6","4","7","1") = "6"
    & skf21("7","4","3","6","6","5","1","1") = "6"
    & skf21("7","4","3","6","6","5","2","1") = "6"
    & skf21("7","4","3","6","6","5","3","1") = "6"
    & skf21("7","4","3","6","6","5","4","1") = "6"
    & skf21("7","4","3","6","6","5","5","1") = "6"
    & skf21("7","4","3","6","6","5","6","1") = "6"
    & skf21("7","4","3","6","6","5","7","1") = "6"
    & skf21("7","4","3","6","6","6","1","1") = "6"
    & skf21("7","4","3","6","6","6","2","1") = "6"
    & skf21("7","4","3","6","6","6","3","1") = "6"
    & skf21("7","4","3","6","6","6","4","1") = "6"
    & skf21("7","4","3","6","6","6","5","1") = "6"
    & skf21("7","4","3","6","6","6","6","1") = "6"
    & skf21("7","4","3","6","6","6","7","1") = "6"
    & skf21("7","4","3","6","6","7","1","1") = "6"
    & skf21("7","4","3","6","6","7","2","1") = "6"
    & skf21("7","4","3","6","6","7","3","1") = "6"
    & skf21("7","4","3","6","6","7","4","1") = "6"
    & skf21("7","4","3","6","6","7","5","1") = "6"
    & skf21("7","4","3","6","6","7","6","1") = "6"
    & skf21("7","4","3","6","6","7","7","1") = "6"
    & skf21("7","4","3","6","7","1","1","1") = "6"
    & skf21("7","4","3","6","7","1","2","1") = "6"
    & skf21("7","4","3","6","7","1","3","1") = "6"
    & skf21("7","4","3","6","7","1","4","1") = "6"
    & skf21("7","4","3","6","7","1","5","1") = "6"
    & skf21("7","4","3","6","7","1","6","1") = "6"
    & skf21("7","4","3","6","7","1","7","1") = "6"
    & skf21("7","4","3","6","7","2","1","1") = "6"
    & skf21("7","4","3","6","7","2","2","1") = "6"
    & skf21("7","4","3","6","7","2","3","1") = "6"
    & skf21("7","4","3","6","7","2","4","1") = "6"
    & skf21("7","4","3","6","7","2","5","1") = "6"
    & skf21("7","4","3","6","7","2","6","1") = "6"
    & skf21("7","4","3","6","7","2","7","1") = "6"
    & skf21("7","4","3","6","7","3","1","1") = "6"
    & skf21("7","4","3","6","7","3","2","1") = "6"
    & skf21("7","4","3","6","7","3","3","1") = "6"
    & skf21("7","4","3","6","7","3","4","1") = "6"
    & skf21("7","4","3","6","7","3","5","1") = "6"
    & skf21("7","4","3","6","7","3","6","1") = "6"
    & skf21("7","4","3","6","7","3","7","1") = "6"
    & skf21("7","4","3","6","7","4","1","1") = "6"
    & skf21("7","4","3","6","7","4","2","1") = "6"
    & skf21("7","4","3","6","7","4","3","1") = "6"
    & skf21("7","4","3","6","7","4","4","1") = "6"
    & skf21("7","4","3","6","7","4","5","1") = "6"
    & skf21("7","4","3","6","7","4","6","1") = "6"
    & skf21("7","4","3","6","7","4","7","1") = "6"
    & skf21("7","4","3","6","7","5","1","1") = "6"
    & skf21("7","4","3","6","7","5","2","1") = "6"
    & skf21("7","4","3","6","7","5","3","1") = "6"
    & skf21("7","4","3","6","7","5","4","1") = "6"
    & skf21("7","4","3","6","7","5","5","1") = "6"
    & skf21("7","4","3","6","7","5","6","1") = "6"
    & skf21("7","4","3","6","7","5","7","1") = "6"
    & skf21("7","4","3","6","7","6","1","1") = "6"
    & skf21("7","4","3","6","7","6","2","1") = "6"
    & skf21("7","4","3","6","7","6","3","1") = "6"
    & skf21("7","4","3","6","7","6","4","1") = "6"
    & skf21("7","4","3","6","7","6","5","1") = "6"
    & skf21("7","4","3","6","7","6","6","1") = "6"
    & skf21("7","4","3","6","7","6","7","1") = "6"
    & skf21("7","4","3","6","7","7","1","1") = "6"
    & skf21("7","4","3","6","7","7","2","1") = "6"
    & skf21("7","4","3","6","7","7","3","1") = "6"
    & skf21("7","4","3","6","7","7","4","1") = "6"
    & skf21("7","4","3","6","7","7","5","1") = "6"
    & skf21("7","4","3","6","7","7","6","1") = "6"
    & skf21("7","4","3","6","7","7","7","1") = "6"
    & skf21("7","4","3","7","1","1","1","1") = "6"
    & skf21("7","4","3","7","1","1","2","1") = "6"
    & skf21("7","4","3","7","1","1","3","1") = "6"
    & skf21("7","4","3","7","1","1","4","1") = "6"
    & skf21("7","4","3","7","1","1","5","1") = "6"
    & skf21("7","4","3","7","1","1","6","1") = "6"
    & skf21("7","4","3","7","1","1","7","1") = "6"
    & skf21("7","4","3","7","1","2","1","1") = "6"
    & skf21("7","4","3","7","1","2","2","1") = "6"
    & skf21("7","4","3","7","1","2","3","1") = "6"
    & skf21("7","4","3","7","1","2","4","1") = "6"
    & skf21("7","4","3","7","1","2","5","1") = "6"
    & skf21("7","4","3","7","1","2","6","1") = "6"
    & skf21("7","4","3","7","1","2","7","1") = "6"
    & skf21("7","4","3","7","1","3","1","1") = "6"
    & skf21("7","4","3","7","1","3","2","1") = "6"
    & skf21("7","4","3","7","1","3","3","1") = "6"
    & skf21("7","4","3","7","1","3","4","1") = "6"
    & skf21("7","4","3","7","1","3","5","1") = "6"
    & skf21("7","4","3","7","1","3","6","1") = "6"
    & skf21("7","4","3","7","1","3","7","1") = "6"
    & skf21("7","4","3","7","1","4","1","1") = "6"
    & skf21("7","4","3","7","1","4","2","1") = "6"
    & skf21("7","4","3","7","1","4","3","1") = "6"
    & skf21("7","4","3","7","1","4","4","1") = "6"
    & skf21("7","4","3","7","1","4","5","1") = "6"
    & skf21("7","4","3","7","1","4","6","1") = "6"
    & skf21("7","4","3","7","1","4","7","1") = "6"
    & skf21("7","4","3","7","1","5","1","1") = "6"
    & skf21("7","4","3","7","1","5","2","1") = "6"
    & skf21("7","4","3","7","1","5","3","1") = "6"
    & skf21("7","4","3","7","1","5","4","1") = "6"
    & skf21("7","4","3","7","1","5","5","1") = "6"
    & skf21("7","4","3","7","1","5","6","1") = "6"
    & skf21("7","4","3","7","1","5","7","1") = "6"
    & skf21("7","4","3","7","1","6","1","1") = "6"
    & skf21("7","4","3","7","1","6","2","1") = "6"
    & skf21("7","4","3","7","1","6","3","1") = "6"
    & skf21("7","4","3","7","1","6","4","1") = "6"
    & skf21("7","4","3","7","1","6","5","1") = "6"
    & skf21("7","4","3","7","1","6","6","1") = "6"
    & skf21("7","4","3","7","1","6","7","1") = "6"
    & skf21("7","4","3","7","1","7","1","1") = "6"
    & skf21("7","4","3","7","1","7","2","1") = "6"
    & skf21("7","4","3","7","1","7","3","1") = "6"
    & skf21("7","4","3","7","1","7","4","1") = "6"
    & skf21("7","4","3","7","1","7","5","1") = "6"
    & skf21("7","4","3","7","1","7","6","1") = "6"
    & skf21("7","4","3","7","1","7","7","1") = "6"
    & skf21("7","4","3","7","2","1","1","1") = "6"
    & skf21("7","4","3","7","2","1","2","1") = "6"
    & skf21("7","4","3","7","2","1","3","1") = "6"
    & skf21("7","4","3","7","2","1","4","1") = "6"
    & skf21("7","4","3","7","2","1","5","1") = "6"
    & skf21("7","4","3","7","2","1","6","1") = "6"
    & skf21("7","4","3","7","2","1","7","1") = "6"
    & skf21("7","4","3","7","2","2","1","1") = "6"
    & skf21("7","4","3","7","2","2","2","1") = "6"
    & skf21("7","4","3","7","2","2","3","1") = "6"
    & skf21("7","4","3","7","2","2","4","1") = "6"
    & skf21("7","4","3","7","2","2","5","1") = "6"
    & skf21("7","4","3","7","2","2","6","1") = "6"
    & skf21("7","4","3","7","2","2","7","1") = "6"
    & skf21("7","4","3","7","2","3","1","1") = "6"
    & skf21("7","4","3","7","2","3","2","1") = "6"
    & skf21("7","4","3","7","2","3","3","1") = "6"
    & skf21("7","4","3","7","2","3","4","1") = "6"
    & skf21("7","4","3","7","2","3","5","1") = "6"
    & skf21("7","4","3","7","2","3","6","1") = "6"
    & skf21("7","4","3","7","2","3","7","1") = "6"
    & skf21("7","4","3","7","2","4","1","1") = "6"
    & skf21("7","4","3","7","2","4","2","1") = "6"
    & skf21("7","4","3","7","2","4","3","1") = "6"
    & skf21("7","4","3","7","2","4","4","1") = "6"
    & skf21("7","4","3","7","2","4","5","1") = "6"
    & skf21("7","4","3","7","2","4","6","1") = "6"
    & skf21("7","4","3","7","2","4","7","1") = "6"
    & skf21("7","4","3","7","2","5","1","1") = "6"
    & skf21("7","4","3","7","2","5","2","1") = "6"
    & skf21("7","4","3","7","2","5","3","1") = "6"
    & skf21("7","4","3","7","2","5","4","1") = "6"
    & skf21("7","4","3","7","2","5","5","1") = "6"
    & skf21("7","4","3","7","2","5","6","1") = "6"
    & skf21("7","4","3","7","2","5","7","1") = "6"
    & skf21("7","4","3","7","2","6","1","1") = "6"
    & skf21("7","4","3","7","2","6","2","1") = "6"
    & skf21("7","4","3","7","2","6","3","1") = "6"
    & skf21("7","4","3","7","2","6","4","1") = "6"
    & skf21("7","4","3","7","2","6","5","1") = "6"
    & skf21("7","4","3","7","2","6","6","1") = "6"
    & skf21("7","4","3","7","2","6","7","1") = "6"
    & skf21("7","4","3","7","2","7","1","1") = "6"
    & skf21("7","4","3","7","2","7","2","1") = "6"
    & skf21("7","4","3","7","2","7","3","1") = "6"
    & skf21("7","4","3","7","2","7","4","1") = "6"
    & skf21("7","4","3","7","2","7","5","1") = "6"
    & skf21("7","4","3","7","2","7","6","1") = "6"
    & skf21("7","4","3","7","2","7","7","1") = "6"
    & skf21("7","4","3","7","3","1","1","1") = "6"
    & skf21("7","4","3","7","3","1","2","1") = "6"
    & skf21("7","4","3","7","3","1","3","1") = "6"
    & skf21("7","4","3","7","3","1","4","1") = "6"
    & skf21("7","4","3","7","3","1","5","1") = "6"
    & skf21("7","4","3","7","3","1","6","1") = "6"
    & skf21("7","4","3","7","3","1","7","1") = "6"
    & skf21("7","4","3","7","3","2","1","1") = "6"
    & skf21("7","4","3","7","3","2","2","1") = "6"
    & skf21("7","4","3","7","3","2","3","1") = "6"
    & skf21("7","4","3","7","3","2","4","1") = "6"
    & skf21("7","4","3","7","3","2","5","1") = "6"
    & skf21("7","4","3","7","3","2","6","1") = "6"
    & skf21("7","4","3","7","3","2","7","1") = "6"
    & skf21("7","4","3","7","3","3","1","1") = "6"
    & skf21("7","4","3","7","3","3","2","1") = "6"
    & skf21("7","4","3","7","3","3","3","1") = "6"
    & skf21("7","4","3","7","3","3","4","1") = "6"
    & skf21("7","4","3","7","3","3","5","1") = "6"
    & skf21("7","4","3","7","3","3","6","1") = "6"
    & skf21("7","4","3","7","3","3","7","1") = "6"
    & skf21("7","4","3","7","3","4","1","1") = "6"
    & skf21("7","4","3","7","3","4","2","1") = "6"
    & skf21("7","4","3","7","3","4","3","1") = "6"
    & skf21("7","4","3","7","3","4","4","1") = "6"
    & skf21("7","4","3","7","3","4","5","1") = "6"
    & skf21("7","4","3","7","3","4","6","1") = "6"
    & skf21("7","4","3","7","3","4","7","1") = "6"
    & skf21("7","4","3","7","3","5","1","1") = "6"
    & skf21("7","4","3","7","3","5","2","1") = "6"
    & skf21("7","4","3","7","3","5","3","1") = "6"
    & skf21("7","4","3","7","3","5","4","1") = "6"
    & skf21("7","4","3","7","3","5","5","1") = "6"
    & skf21("7","4","3","7","3","5","6","1") = "6"
    & skf21("7","4","3","7","3","5","7","1") = "6"
    & skf21("7","4","3","7","3","6","1","1") = "6"
    & skf21("7","4","3","7","3","6","2","1") = "6"
    & skf21("7","4","3","7","3","6","3","1") = "6"
    & skf21("7","4","3","7","3","6","4","1") = "6"
    & skf21("7","4","3","7","3","6","5","1") = "6"
    & skf21("7","4","3","7","3","6","6","1") = "6"
    & skf21("7","4","3","7","3","6","7","1") = "6"
    & skf21("7","4","3","7","3","7","1","1") = "6"
    & skf21("7","4","3","7","3","7","2","1") = "6"
    & skf21("7","4","3","7","3","7","3","1") = "6"
    & skf21("7","4","3","7","3","7","4","1") = "6"
    & skf21("7","4","3","7","3","7","5","1") = "6"
    & skf21("7","4","3","7","3","7","6","1") = "6"
    & skf21("7","4","3","7","3","7","7","1") = "6"
    & skf21("7","4","3","7","4","1","1","1") = "6"
    & skf21("7","4","3","7","4","1","2","1") = "6"
    & skf21("7","4","3","7","4","1","3","1") = "6"
    & skf21("7","4","3","7","4","1","4","1") = "6"
    & skf21("7","4","3","7","4","1","5","1") = "6"
    & skf21("7","4","3","7","4","1","6","1") = "6"
    & skf21("7","4","3","7","4","1","7","1") = "6"
    & skf21("7","4","3","7","4","2","1","1") = "6"
    & skf21("7","4","3","7","4","2","2","1") = "6"
    & skf21("7","4","3","7","4","2","3","1") = "6"
    & skf21("7","4","3","7","4","2","4","1") = "6"
    & skf21("7","4","3","7","4","2","5","1") = "6"
    & skf21("7","4","3","7","4","2","6","1") = "6"
    & skf21("7","4","3","7","4","2","7","1") = "6"
    & skf21("7","4","3","7","4","3","1","1") = "6"
    & skf21("7","4","3","7","4","3","2","1") = "6"
    & skf21("7","4","3","7","4","3","3","1") = "6"
    & skf21("7","4","3","7","4","3","4","1") = "6"
    & skf21("7","4","3","7","4","3","5","1") = "6"
    & skf21("7","4","3","7","4","3","6","1") = "6"
    & skf21("7","4","3","7","4","3","7","1") = "6"
    & skf21("7","4","3","7","4","4","1","1") = "6"
    & skf21("7","4","3","7","4","4","2","1") = "6"
    & skf21("7","4","3","7","4","4","3","1") = "6"
    & skf21("7","4","3","7","4","4","4","1") = "6"
    & skf21("7","4","3","7","4","4","5","1") = "6"
    & skf21("7","4","3","7","4","4","6","1") = "6"
    & skf21("7","4","3","7","4","4","7","1") = "6"
    & skf21("7","4","3","7","4","5","1","1") = "6"
    & skf21("7","4","3","7","4","5","2","1") = "6"
    & skf21("7","4","3","7","4","5","3","1") = "6"
    & skf21("7","4","3","7","4","5","4","1") = "6"
    & skf21("7","4","3","7","4","5","5","1") = "6"
    & skf21("7","4","3","7","4","5","6","1") = "6"
    & skf21("7","4","3","7","4","5","7","1") = "6"
    & skf21("7","4","3","7","4","6","1","1") = "6"
    & skf21("7","4","3","7","4","6","2","1") = "6"
    & skf21("7","4","3","7","4","6","3","1") = "6"
    & skf21("7","4","3","7","4","6","4","1") = "6"
    & skf21("7","4","3","7","4","6","5","1") = "6"
    & skf21("7","4","3","7","4","6","6","1") = "6"
    & skf21("7","4","3","7","4","6","7","1") = "6"
    & skf21("7","4","3","7","4","7","1","1") = "6"
    & skf21("7","4","3","7","4","7","2","1") = "6"
    & skf21("7","4","3","7","4","7","3","1") = "6"
    & skf21("7","4","3","7","4","7","4","1") = "6"
    & skf21("7","4","3","7","4","7","5","1") = "6"
    & skf21("7","4","3","7","4","7","6","1") = "6"
    & skf21("7","4","3","7","4","7","7","1") = "6"
    & skf21("7","4","3","7","5","1","1","1") = "6"
    & skf21("7","4","3","7","5","1","2","1") = "6"
    & skf21("7","4","3","7","5","1","3","1") = "6"
    & skf21("7","4","3","7","5","1","4","1") = "6"
    & skf21("7","4","3","7","5","1","5","1") = "6"
    & skf21("7","4","3","7","5","1","6","1") = "6"
    & skf21("7","4","3","7","5","1","7","1") = "6"
    & skf21("7","4","3","7","5","2","1","1") = "6"
    & skf21("7","4","3","7","5","2","2","1") = "6"
    & skf21("7","4","3","7","5","2","3","1") = "6"
    & skf21("7","4","3","7","5","2","4","1") = "6"
    & skf21("7","4","3","7","5","2","5","1") = "6"
    & skf21("7","4","3","7","5","2","6","1") = "6"
    & skf21("7","4","3","7","5","2","7","1") = "6"
    & skf21("7","4","3","7","5","3","1","1") = "6"
    & skf21("7","4","3","7","5","3","2","1") = "6"
    & skf21("7","4","3","7","5","3","3","1") = "6"
    & skf21("7","4","3","7","5","3","4","1") = "6"
    & skf21("7","4","3","7","5","3","5","1") = "6"
    & skf21("7","4","3","7","5","3","6","1") = "6"
    & skf21("7","4","3","7","5","3","7","1") = "6"
    & skf21("7","4","3","7","5","4","1","1") = "6"
    & skf21("7","4","3","7","5","4","2","1") = "6"
    & skf21("7","4","3","7","5","4","3","1") = "6"
    & skf21("7","4","3","7","5","4","4","1") = "6"
    & skf21("7","4","3","7","5","4","5","1") = "6"
    & skf21("7","4","3","7","5","4","6","1") = "6"
    & skf21("7","4","3","7","5","4","7","1") = "6"
    & skf21("7","4","3","7","5","5","1","1") = "6"
    & skf21("7","4","3","7","5","5","2","1") = "6"
    & skf21("7","4","3","7","5","5","3","1") = "6"
    & skf21("7","4","3","7","5","5","4","1") = "6"
    & skf21("7","4","3","7","5","5","5","1") = "6"
    & skf21("7","4","3","7","5","5","6","1") = "6"
    & skf21("7","4","3","7","5","5","7","1") = "6"
    & skf21("7","4","3","7","5","6","1","1") = "6"
    & skf21("7","4","3","7","5","6","2","1") = "6"
    & skf21("7","4","3","7","5","6","3","1") = "6"
    & skf21("7","4","3","7","5","6","4","1") = "6"
    & skf21("7","4","3","7","5","6","5","1") = "6"
    & skf21("7","4","3","7","5","6","6","1") = "6"
    & skf21("7","4","3","7","5","6","7","1") = "6"
    & skf21("7","4","3","7","5","7","1","1") = "6"
    & skf21("7","4","3","7","5","7","2","1") = "6"
    & skf21("7","4","3","7","5","7","3","1") = "6"
    & skf21("7","4","3","7","5","7","4","1") = "6"
    & skf21("7","4","3","7","5","7","5","1") = "6"
    & skf21("7","4","3","7","5","7","6","1") = "6"
    & skf21("7","4","3","7","5","7","7","1") = "6"
    & skf21("7","4","3","7","6","1","1","1") = "6"
    & skf21("7","4","3","7","6","1","2","1") = "6"
    & skf21("7","4","3","7","6","1","3","1") = "6"
    & skf21("7","4","3","7","6","1","4","1") = "6"
    & skf21("7","4","3","7","6","1","5","1") = "6"
    & skf21("7","4","3","7","6","1","6","1") = "6"
    & skf21("7","4","3","7","6","1","7","1") = "6"
    & skf21("7","4","3","7","6","2","1","1") = "6"
    & skf21("7","4","3","7","6","2","2","1") = "6"
    & skf21("7","4","3","7","6","2","3","1") = "6"
    & skf21("7","4","3","7","6","2","4","1") = "6"
    & skf21("7","4","3","7","6","2","5","1") = "6"
    & skf21("7","4","3","7","6","2","6","1") = "6"
    & skf21("7","4","3","7","6","2","7","1") = "6"
    & skf21("7","4","3","7","6","3","1","1") = "6"
    & skf21("7","4","3","7","6","3","2","1") = "6"
    & skf21("7","4","3","7","6","3","3","1") = "6"
    & skf21("7","4","3","7","6","3","4","1") = "6"
    & skf21("7","4","3","7","6","3","5","1") = "6"
    & skf21("7","4","3","7","6","3","6","1") = "6"
    & skf21("7","4","3","7","6","3","7","1") = "6"
    & skf21("7","4","3","7","6","4","1","1") = "6"
    & skf21("7","4","3","7","6","4","2","1") = "6"
    & skf21("7","4","3","7","6","4","3","1") = "6"
    & skf21("7","4","3","7","6","4","4","1") = "6"
    & skf21("7","4","3","7","6","4","5","1") = "6"
    & skf21("7","4","3","7","6","4","6","1") = "6"
    & skf21("7","4","3","7","6","4","7","1") = "6"
    & skf21("7","4","3","7","6","5","1","1") = "6"
    & skf21("7","4","3","7","6","5","2","1") = "6"
    & skf21("7","4","3","7","6","5","3","1") = "6"
    & skf21("7","4","3","7","6","5","4","1") = "6"
    & skf21("7","4","3","7","6","5","5","1") = "6"
    & skf21("7","4","3","7","6","5","6","1") = "6"
    & skf21("7","4","3","7","6","5","7","1") = "6"
    & skf21("7","4","3","7","6","6","1","1") = "6"
    & skf21("7","4","3","7","6","6","2","1") = "6"
    & skf21("7","4","3","7","6","6","3","1") = "6"
    & skf21("7","4","3","7","6","6","4","1") = "6"
    & skf21("7","4","3","7","6","6","5","1") = "6"
    & skf21("7","4","3","7","6","6","6","1") = "6"
    & skf21("7","4","3","7","6","6","7","1") = "6"
    & skf21("7","4","3","7","6","7","1","1") = "6"
    & skf21("7","4","3","7","6","7","2","1") = "6"
    & skf21("7","4","3","7","6","7","3","1") = "6"
    & skf21("7","4","3","7","6","7","4","1") = "6"
    & skf21("7","4","3","7","6","7","5","1") = "6"
    & skf21("7","4","3","7","6","7","6","1") = "6"
    & skf21("7","4","3","7","6","7","7","1") = "6"
    & skf21("7","4","3","7","7","1","1","1") = "6"
    & skf21("7","4","3","7","7","1","2","1") = "6"
    & skf21("7","4","3","7","7","1","3","1") = "6"
    & skf21("7","4","3","7","7","1","4","1") = "6"
    & skf21("7","4","3","7","7","1","5","1") = "6"
    & skf21("7","4","3","7","7","1","6","1") = "6"
    & skf21("7","4","3","7","7","1","7","1") = "6"
    & skf21("7","4","3","7","7","2","1","1") = "6"
    & skf21("7","4","3","7","7","2","2","1") = "6"
    & skf21("7","4","3","7","7","2","3","1") = "6"
    & skf21("7","4","3","7","7","2","4","1") = "6"
    & skf21("7","4","3","7","7","2","5","1") = "6"
    & skf21("7","4","3","7","7","2","6","1") = "6"
    & skf21("7","4","3","7","7","2","7","1") = "6"
    & skf21("7","4","3","7","7","3","1","1") = "6"
    & skf21("7","4","3","7","7","3","2","1") = "6"
    & skf21("7","4","3","7","7","3","3","1") = "6"
    & skf21("7","4","3","7","7","3","4","1") = "6"
    & skf21("7","4","3","7","7","3","5","1") = "6"
    & skf21("7","4","3","7","7","3","6","1") = "6"
    & skf21("7","4","3","7","7","3","7","1") = "6"
    & skf21("7","4","3","7","7","4","1","1") = "6"
    & skf21("7","4","3","7","7","4","2","1") = "6"
    & skf21("7","4","3","7","7","4","3","1") = "6"
    & skf21("7","4","3","7","7","4","4","1") = "6"
    & skf21("7","4","3","7","7","4","5","1") = "6"
    & skf21("7","4","3","7","7","4","6","1") = "6"
    & skf21("7","4","3","7","7","4","7","1") = "6"
    & skf21("7","4","3","7","7","5","1","1") = "6"
    & skf21("7","4","3","7","7","5","2","1") = "6"
    & skf21("7","4","3","7","7","5","3","1") = "6"
    & skf21("7","4","3","7","7","5","4","1") = "6"
    & skf21("7","4","3","7","7","5","5","1") = "6"
    & skf21("7","4","3","7","7","5","6","1") = "6"
    & skf21("7","4","3","7","7","5","7","1") = "6"
    & skf21("7","4","3","7","7","6","1","1") = "6"
    & skf21("7","4","3","7","7","6","2","1") = "6"
    & skf21("7","4","3","7","7","6","3","1") = "6"
    & skf21("7","4","3","7","7","6","4","1") = "6"
    & skf21("7","4","3","7","7","6","5","1") = "6"
    & skf21("7","4","3","7","7","6","6","1") = "6"
    & skf21("7","4","3","7","7","6","7","1") = "6"
    & skf21("7","4","3","7","7","7","1","1") = "6"
    & skf21("7","4","3","7","7","7","2","1") = "6"
    & skf21("7","4","3","7","7","7","3","1") = "6"
    & skf21("7","4","3","7","7","7","4","1") = "6"
    & skf21("7","4","3","7","7","7","5","1") = "6"
    & skf21("7","4","3","7","7","7","6","1") = "6"
    & skf21("7","4","3","7","7","7","7","1") = "6"
    & skf21("7","4","4","1","1","1","1","1") = "6"
    & skf21("7","4","4","1","1","1","2","1") = "6"
    & skf21("7","4","4","1","1","1","3","1") = "6"
    & skf21("7","4","4","1","1","1","4","1") = "6"
    & skf21("7","4","4","1","1","1","5","1") = "6"
    & skf21("7","4","4","1","1","1","6","1") = "6"
    & skf21("7","4","4","1","1","1","7","1") = "6"
    & skf21("7","4","4","1","1","2","1","1") = "6"
    & skf21("7","4","4","1","1","2","2","1") = "6"
    & skf21("7","4","4","1","1","2","3","1") = "6"
    & skf21("7","4","4","1","1","2","4","1") = "6"
    & skf21("7","4","4","1","1","2","5","1") = "6"
    & skf21("7","4","4","1","1","2","6","1") = "6"
    & skf21("7","4","4","1","1","2","7","1") = "6"
    & skf21("7","4","4","1","1","3","1","1") = "6"
    & skf21("7","4","4","1","1","3","2","1") = "6"
    & skf21("7","4","4","1","1","3","3","1") = "6"
    & skf21("7","4","4","1","1","3","4","1") = "6"
    & skf21("7","4","4","1","1","3","5","1") = "6"
    & skf21("7","4","4","1","1","3","6","1") = "6"
    & skf21("7","4","4","1","1","3","7","1") = "6"
    & skf21("7","4","4","1","1","4","1","1") = "6"
    & skf21("7","4","4","1","1","4","2","1") = "6"
    & skf21("7","4","4","1","1","4","3","1") = "6"
    & skf21("7","4","4","1","1","4","4","1") = "6"
    & skf21("7","4","4","1","1","4","5","1") = "6"
    & skf21("7","4","4","1","1","4","6","1") = "6"
    & skf21("7","4","4","1","1","4","7","1") = "6"
    & skf21("7","4","4","1","1","5","1","1") = "6"
    & skf21("7","4","4","1","1","5","2","1") = "6"
    & skf21("7","4","4","1","1","5","3","1") = "6"
    & skf21("7","4","4","1","1","5","4","1") = "6"
    & skf21("7","4","4","1","1","5","5","1") = "6"
    & skf21("7","4","4","1","1","5","6","1") = "6"
    & skf21("7","4","4","1","1","5","7","1") = "6"
    & skf21("7","4","4","1","1","6","1","1") = "6"
    & skf21("7","4","4","1","1","6","2","1") = "6"
    & skf21("7","4","4","1","1","6","3","1") = "6"
    & skf21("7","4","4","1","1","6","4","1") = "6"
    & skf21("7","4","4","1","1","6","5","1") = "6"
    & skf21("7","4","4","1","1","6","6","1") = "6"
    & skf21("7","4","4","1","1","6","7","1") = "6"
    & skf21("7","4","4","1","1","7","1","1") = "6"
    & skf21("7","4","4","1","1","7","2","1") = "6"
    & skf21("7","4","4","1","1","7","3","1") = "6"
    & skf21("7","4","4","1","1","7","4","1") = "6"
    & skf21("7","4","4","1","1","7","5","1") = "6"
    & skf21("7","4","4","1","1","7","6","1") = "6"
    & skf21("7","4","4","1","1","7","7","1") = "6"
    & skf21("7","4","4","1","2","1","1","1") = "6"
    & skf21("7","4","4","1","2","1","2","1") = "6"
    & skf21("7","4","4","1","2","1","3","1") = "6"
    & skf21("7","4","4","1","2","1","4","1") = "6"
    & skf21("7","4","4","1","2","1","5","1") = "6"
    & skf21("7","4","4","1","2","1","6","1") = "6"
    & skf21("7","4","4","1","2","1","7","1") = "6"
    & skf21("7","4","4","1","2","2","1","1") = "6"
    & skf21("7","4","4","1","2","2","2","1") = "6"
    & skf21("7","4","4","1","2","2","3","1") = "6"
    & skf21("7","4","4","1","2","2","4","1") = "6"
    & skf21("7","4","4","1","2","2","5","1") = "6"
    & skf21("7","4","4","1","2","2","6","1") = "6"
    & skf21("7","4","4","1","2","2","7","1") = "6"
    & skf21("7","4","4","1","2","3","1","1") = "6"
    & skf21("7","4","4","1","2","3","2","1") = "6"
    & skf21("7","4","4","1","2","3","3","1") = "6"
    & skf21("7","4","4","1","2","3","4","1") = "6"
    & skf21("7","4","4","1","2","3","5","1") = "6"
    & skf21("7","4","4","1","2","3","6","1") = "6"
    & skf21("7","4","4","1","2","3","7","1") = "6"
    & skf21("7","4","4","1","2","4","1","1") = "6"
    & skf21("7","4","4","1","2","4","2","1") = "6"
    & skf21("7","4","4","1","2","4","3","1") = "6"
    & skf21("7","4","4","1","2","4","4","1") = "6"
    & skf21("7","4","4","1","2","4","5","1") = "6"
    & skf21("7","4","4","1","2","4","6","1") = "6"
    & skf21("7","4","4","1","2","4","7","1") = "6"
    & skf21("7","4","4","1","2","5","1","1") = "6"
    & skf21("7","4","4","1","2","5","2","1") = "6"
    & skf21("7","4","4","1","2","5","3","1") = "6"
    & skf21("7","4","4","1","2","5","4","1") = "6"
    & skf21("7","4","4","1","2","5","5","1") = "6"
    & skf21("7","4","4","1","2","5","6","1") = "6"
    & skf21("7","4","4","1","2","5","7","1") = "6"
    & skf21("7","4","4","1","2","6","1","1") = "6"
    & skf21("7","4","4","1","2","6","2","1") = "6"
    & skf21("7","4","4","1","2","6","3","1") = "6"
    & skf21("7","4","4","1","2","6","4","1") = "6"
    & skf21("7","4","4","1","2","6","5","1") = "6"
    & skf21("7","4","4","1","2","6","6","1") = "6"
    & skf21("7","4","4","1","2","6","7","1") = "6"
    & skf21("7","4","4","1","2","7","1","1") = "6"
    & skf21("7","4","4","1","2","7","2","1") = "6"
    & skf21("7","4","4","1","2","7","3","1") = "6"
    & skf21("7","4","4","1","2","7","4","1") = "6"
    & skf21("7","4","4","1","2","7","5","1") = "6"
    & skf21("7","4","4","1","2","7","6","1") = "6"
    & skf21("7","4","4","1","2","7","7","1") = "6"
    & skf21("7","4","4","1","3","1","1","1") = "6"
    & skf21("7","4","4","1","3","1","2","1") = "6"
    & skf21("7","4","4","1","3","1","3","1") = "6"
    & skf21("7","4","4","1","3","1","4","1") = "6"
    & skf21("7","4","4","1","3","1","5","1") = "6"
    & skf21("7","4","4","1","3","1","6","1") = "6"
    & skf21("7","4","4","1","3","1","7","1") = "6"
    & skf21("7","4","4","1","3","2","1","1") = "6"
    & skf21("7","4","4","1","3","2","2","1") = "6"
    & skf21("7","4","4","1","3","2","3","1") = "6"
    & skf21("7","4","4","1","3","2","4","1") = "6"
    & skf21("7","4","4","1","3","2","5","1") = "6"
    & skf21("7","4","4","1","3","2","6","1") = "6"
    & skf21("7","4","4","1","3","2","7","1") = "6"
    & skf21("7","4","4","1","3","3","1","1") = "6"
    & skf21("7","4","4","1","3","3","2","1") = "6"
    & skf21("7","4","4","1","3","3","3","1") = "6"
    & skf21("7","4","4","1","3","3","4","1") = "6"
    & skf21("7","4","4","1","3","3","5","1") = "6"
    & skf21("7","4","4","1","3","3","6","1") = "6"
    & skf21("7","4","4","1","3","3","7","1") = "6"
    & skf21("7","4","4","1","3","4","1","1") = "6"
    & skf21("7","4","4","1","3","4","2","1") = "6"
    & skf21("7","4","4","1","3","4","3","1") = "6"
    & skf21("7","4","4","1","3","4","4","1") = "6"
    & skf21("7","4","4","1","3","4","5","1") = "6"
    & skf21("7","4","4","1","3","4","6","1") = "6"
    & skf21("7","4","4","1","3","4","7","1") = "6"
    & skf21("7","4","4","1","3","5","1","1") = "6"
    & skf21("7","4","4","1","3","5","2","1") = "6"
    & skf21("7","4","4","1","3","5","3","1") = "6"
    & skf21("7","4","4","1","3","5","4","1") = "6"
    & skf21("7","4","4","1","3","5","5","1") = "6"
    & skf21("7","4","4","1","3","5","6","1") = "6"
    & skf21("7","4","4","1","3","5","7","1") = "6"
    & skf21("7","4","4","1","3","6","1","1") = "6"
    & skf21("7","4","4","1","3","6","2","1") = "6"
    & skf21("7","4","4","1","3","6","3","1") = "6"
    & skf21("7","4","4","1","3","6","4","1") = "6"
    & skf21("7","4","4","1","3","6","5","1") = "6"
    & skf21("7","4","4","1","3","6","6","1") = "6"
    & skf21("7","4","4","1","3","6","7","1") = "6"
    & skf21("7","4","4","1","3","7","1","1") = "6"
    & skf21("7","4","4","1","3","7","2","1") = "6"
    & skf21("7","4","4","1","3","7","3","1") = "6"
    & skf21("7","4","4","1","3","7","4","1") = "6"
    & skf21("7","4","4","1","3","7","5","1") = "6"
    & skf21("7","4","4","1","3","7","6","1") = "6"
    & skf21("7","4","4","1","3","7","7","1") = "6"
    & skf21("7","4","4","1","4","1","1","1") = "6"
    & skf21("7","4","4","1","4","1","2","1") = "6"
    & skf21("7","4","4","1","4","1","3","1") = "6"
    & skf21("7","4","4","1","4","1","4","1") = "6"
    & skf21("7","4","4","1","4","1","5","1") = "6"
    & skf21("7","4","4","1","4","1","6","1") = "6"
    & skf21("7","4","4","1","4","1","7","1") = "6"
    & skf21("7","4","4","1","4","2","1","1") = "6"
    & skf21("7","4","4","1","4","2","2","1") = "6"
    & skf21("7","4","4","1","4","2","3","1") = "6"
    & skf21("7","4","4","1","4","2","4","1") = "6"
    & skf21("7","4","4","1","4","2","5","1") = "6"
    & skf21("7","4","4","1","4","2","6","1") = "6"
    & skf21("7","4","4","1","4","2","7","1") = "6"
    & skf21("7","4","4","1","4","3","1","1") = "6"
    & skf21("7","4","4","1","4","3","2","1") = "6"
    & skf21("7","4","4","1","4","3","3","1") = "6"
    & skf21("7","4","4","1","4","3","4","1") = "6"
    & skf21("7","4","4","1","4","3","5","1") = "6"
    & skf21("7","4","4","1","4","3","6","1") = "6"
    & skf21("7","4","4","1","4","3","7","1") = "6"
    & skf21("7","4","4","1","4","4","1","1") = "6"
    & skf21("7","4","4","1","4","4","2","1") = "6"
    & skf21("7","4","4","1","4","4","3","1") = "6"
    & skf21("7","4","4","1","4","4","4","1") = "6"
    & skf21("7","4","4","1","4","4","5","1") = "6"
    & skf21("7","4","4","1","4","4","6","1") = "6"
    & skf21("7","4","4","1","4","4","7","1") = "6"
    & skf21("7","4","4","1","4","5","1","1") = "6"
    & skf21("7","4","4","1","4","5","2","1") = "6"
    & skf21("7","4","4","1","4","5","3","1") = "6"
    & skf21("7","4","4","1","4","5","4","1") = "6"
    & skf21("7","4","4","1","4","5","5","1") = "6"
    & skf21("7","4","4","1","4","5","6","1") = "6"
    & skf21("7","4","4","1","4","5","7","1") = "6"
    & skf21("7","4","4","1","4","6","1","1") = "6"
    & skf21("7","4","4","1","4","6","2","1") = "6"
    & skf21("7","4","4","1","4","6","3","1") = "6"
    & skf21("7","4","4","1","4","6","4","1") = "6"
    & skf21("7","4","4","1","4","6","5","1") = "6"
    & skf21("7","4","4","1","4","6","6","1") = "6"
    & skf21("7","4","4","1","4","6","7","1") = "6"
    & skf21("7","4","4","1","4","7","1","1") = "6"
    & skf21("7","4","4","1","4","7","2","1") = "6"
    & skf21("7","4","4","1","4","7","3","1") = "6"
    & skf21("7","4","4","1","4","7","4","1") = "6"
    & skf21("7","4","4","1","4","7","5","1") = "6"
    & skf21("7","4","4","1","4","7","6","1") = "6"
    & skf21("7","4","4","1","4","7","7","1") = "6"
    & skf21("7","4","4","1","5","1","1","1") = "6"
    & skf21("7","4","4","1","5","1","2","1") = "6"
    & skf21("7","4","4","1","5","1","3","1") = "6"
    & skf21("7","4","4","1","5","1","4","1") = "6"
    & skf21("7","4","4","1","5","1","5","1") = "6"
    & skf21("7","4","4","1","5","1","6","1") = "6"
    & skf21("7","4","4","1","5","1","7","1") = "6"
    & skf21("7","4","4","1","5","2","1","1") = "6"
    & skf21("7","4","4","1","5","2","2","1") = "6"
    & skf21("7","4","4","1","5","2","3","1") = "6"
    & skf21("7","4","4","1","5","2","4","1") = "6"
    & skf21("7","4","4","1","5","2","5","1") = "6"
    & skf21("7","4","4","1","5","2","6","1") = "6"
    & skf21("7","4","4","1","5","2","7","1") = "6"
    & skf21("7","4","4","1","5","3","1","1") = "6"
    & skf21("7","4","4","1","5","3","2","1") = "6"
    & skf21("7","4","4","1","5","3","3","1") = "6"
    & skf21("7","4","4","1","5","3","4","1") = "6"
    & skf21("7","4","4","1","5","3","5","1") = "6"
    & skf21("7","4","4","1","5","3","6","1") = "6"
    & skf21("7","4","4","1","5","3","7","1") = "6"
    & skf21("7","4","4","1","5","4","1","1") = "6"
    & skf21("7","4","4","1","5","4","2","1") = "6"
    & skf21("7","4","4","1","5","4","3","1") = "6"
    & skf21("7","4","4","1","5","4","4","1") = "6"
    & skf21("7","4","4","1","5","4","5","1") = "6"
    & skf21("7","4","4","1","5","4","6","1") = "6"
    & skf21("7","4","4","1","5","4","7","1") = "6"
    & skf21("7","4","4","1","5","5","1","1") = "6"
    & skf21("7","4","4","1","5","5","2","1") = "6"
    & skf21("7","4","4","1","5","5","3","1") = "6"
    & skf21("7","4","4","1","5","5","4","1") = "6"
    & skf21("7","4","4","1","5","5","5","1") = "6"
    & skf21("7","4","4","1","5","5","6","1") = "6"
    & skf21("7","4","4","1","5","5","7","1") = "6"
    & skf21("7","4","4","1","5","6","1","1") = "6"
    & skf21("7","4","4","1","5","6","2","1") = "6"
    & skf21("7","4","4","1","5","6","3","1") = "6"
    & skf21("7","4","4","1","5","6","4","1") = "6"
    & skf21("7","4","4","1","5","6","5","1") = "6"
    & skf21("7","4","4","1","5","6","6","1") = "6"
    & skf21("7","4","4","1","5","6","7","1") = "6"
    & skf21("7","4","4","1","5","7","1","1") = "6"
    & skf21("7","4","4","1","5","7","2","1") = "6"
    & skf21("7","4","4","1","5","7","3","1") = "6"
    & skf21("7","4","4","1","5","7","4","1") = "6"
    & skf21("7","4","4","1","5","7","5","1") = "6"
    & skf21("7","4","4","1","5","7","6","1") = "6"
    & skf21("7","4","4","1","5","7","7","1") = "6"
    & skf21("7","4","4","1","6","1","1","1") = "6"
    & skf21("7","4","4","1","6","1","2","1") = "6"
    & skf21("7","4","4","1","6","1","3","1") = "6"
    & skf21("7","4","4","1","6","1","4","1") = "6"
    & skf21("7","4","4","1","6","1","5","1") = "6"
    & skf21("7","4","4","1","6","1","6","1") = "6"
    & skf21("7","4","4","1","6","1","7","1") = "6"
    & skf21("7","4","4","1","6","2","1","1") = "6"
    & skf21("7","4","4","1","6","2","2","1") = "6"
    & skf21("7","4","4","1","6","2","3","1") = "6"
    & skf21("7","4","4","1","6","2","4","1") = "6"
    & skf21("7","4","4","1","6","2","5","1") = "6"
    & skf21("7","4","4","1","6","2","6","1") = "6"
    & skf21("7","4","4","1","6","2","7","1") = "6"
    & skf21("7","4","4","1","6","3","1","1") = "6"
    & skf21("7","4","4","1","6","3","2","1") = "6"
    & skf21("7","4","4","1","6","3","3","1") = "6"
    & skf21("7","4","4","1","6","3","4","1") = "6"
    & skf21("7","4","4","1","6","3","5","1") = "6"
    & skf21("7","4","4","1","6","3","6","1") = "6"
    & skf21("7","4","4","1","6","3","7","1") = "6"
    & skf21("7","4","4","1","6","4","1","1") = "6"
    & skf21("7","4","4","1","6","4","2","1") = "6"
    & skf21("7","4","4","1","6","4","3","1") = "6"
    & skf21("7","4","4","1","6","4","4","1") = "6"
    & skf21("7","4","4","1","6","4","5","1") = "6"
    & skf21("7","4","4","1","6","4","6","1") = "6"
    & skf21("7","4","4","1","6","4","7","1") = "6"
    & skf21("7","4","4","1","6","5","1","1") = "6"
    & skf21("7","4","4","1","6","5","2","1") = "6"
    & skf21("7","4","4","1","6","5","3","1") = "6"
    & skf21("7","4","4","1","6","5","4","1") = "6"
    & skf21("7","4","4","1","6","5","5","1") = "6"
    & skf21("7","4","4","1","6","5","6","1") = "6"
    & skf21("7","4","4","1","6","5","7","1") = "6"
    & skf21("7","4","4","1","6","6","1","1") = "6"
    & skf21("7","4","4","1","6","6","2","1") = "6"
    & skf21("7","4","4","1","6","6","3","1") = "6"
    & skf21("7","4","4","1","6","6","4","1") = "6"
    & skf21("7","4","4","1","6","6","5","1") = "6"
    & skf21("7","4","4","1","6","6","6","1") = "6"
    & skf21("7","4","4","1","6","6","7","1") = "6"
    & skf21("7","4","4","1","6","7","1","1") = "6"
    & skf21("7","4","4","1","6","7","2","1") = "6"
    & skf21("7","4","4","1","6","7","3","1") = "6"
    & skf21("7","4","4","1","6","7","4","1") = "6"
    & skf21("7","4","4","1","6","7","5","1") = "6"
    & skf21("7","4","4","1","6","7","6","1") = "6"
    & skf21("7","4","4","1","6","7","7","1") = "6"
    & skf21("7","4","4","1","7","1","1","1") = "6"
    & skf21("7","4","4","1","7","1","2","1") = "6"
    & skf21("7","4","4","1","7","1","3","1") = "6"
    & skf21("7","4","4","1","7","1","4","1") = "6"
    & skf21("7","4","4","1","7","1","5","1") = "6"
    & skf21("7","4","4","1","7","1","6","1") = "6"
    & skf21("7","4","4","1","7","1","7","1") = "6"
    & skf21("7","4","4","1","7","2","1","1") = "6"
    & skf21("7","4","4","1","7","2","2","1") = "6"
    & skf21("7","4","4","1","7","2","3","1") = "6"
    & skf21("7","4","4","1","7","2","4","1") = "6"
    & skf21("7","4","4","1","7","2","5","1") = "6"
    & skf21("7","4","4","1","7","2","6","1") = "6"
    & skf21("7","4","4","1","7","2","7","1") = "6"
    & skf21("7","4","4","1","7","3","1","1") = "6"
    & skf21("7","4","4","1","7","3","2","1") = "6"
    & skf21("7","4","4","1","7","3","3","1") = "6"
    & skf21("7","4","4","1","7","3","4","1") = "6"
    & skf21("7","4","4","1","7","3","5","1") = "6"
    & skf21("7","4","4","1","7","3","6","1") = "6"
    & skf21("7","4","4","1","7","3","7","1") = "6"
    & skf21("7","4","4","1","7","4","1","1") = "6"
    & skf21("7","4","4","1","7","4","2","1") = "6"
    & skf21("7","4","4","1","7","4","3","1") = "6"
    & skf21("7","4","4","1","7","4","4","1") = "6"
    & skf21("7","4","4","1","7","4","5","1") = "6"
    & skf21("7","4","4","1","7","4","6","1") = "6"
    & skf21("7","4","4","1","7","4","7","1") = "6"
    & skf21("7","4","4","1","7","5","1","1") = "6"
    & skf21("7","4","4","1","7","5","2","1") = "6"
    & skf21("7","4","4","1","7","5","3","1") = "6"
    & skf21("7","4","4","1","7","5","4","1") = "6"
    & skf21("7","4","4","1","7","5","5","1") = "6"
    & skf21("7","4","4","1","7","5","6","1") = "6"
    & skf21("7","4","4","1","7","5","7","1") = "6"
    & skf21("7","4","4","1","7","6","1","1") = "6"
    & skf21("7","4","4","1","7","6","2","1") = "6"
    & skf21("7","4","4","1","7","6","3","1") = "6"
    & skf21("7","4","4","1","7","6","4","1") = "6"
    & skf21("7","4","4","1","7","6","5","1") = "6"
    & skf21("7","4","4","1","7","6","6","1") = "6"
    & skf21("7","4","4","1","7","6","7","1") = "6"
    & skf21("7","4","4","1","7","7","1","1") = "6"
    & skf21("7","4","4","1","7","7","2","1") = "6"
    & skf21("7","4","4","1","7","7","3","1") = "6"
    & skf21("7","4","4","1","7","7","4","1") = "6"
    & skf21("7","4","4","1","7","7","5","1") = "6"
    & skf21("7","4","4","1","7","7","6","1") = "6"
    & skf21("7","4","4","1","7","7","7","1") = "6"
    & skf21("7","4","4","2","1","1","1","1") = "6"
    & skf21("7","4","4","2","1","1","2","1") = "6"
    & skf21("7","4","4","2","1","1","3","1") = "6"
    & skf21("7","4","4","2","1","1","4","1") = "6"
    & skf21("7","4","4","2","1","1","5","1") = "6"
    & skf21("7","4","4","2","1","1","6","1") = "6"
    & skf21("7","4","4","2","1","1","7","1") = "6"
    & skf21("7","4","4","2","1","2","1","1") = "6"
    & skf21("7","4","4","2","1","2","2","1") = "6"
    & skf21("7","4","4","2","1","2","3","1") = "6"
    & skf21("7","4","4","2","1","2","4","1") = "6"
    & skf21("7","4","4","2","1","2","5","1") = "6"
    & skf21("7","4","4","2","1","2","6","1") = "6"
    & skf21("7","4","4","2","1","2","7","1") = "6"
    & skf21("7","4","4","2","1","3","1","1") = "6"
    & skf21("7","4","4","2","1","3","2","1") = "6"
    & skf21("7","4","4","2","1","3","3","1") = "6"
    & skf21("7","4","4","2","1","3","4","1") = "6"
    & skf21("7","4","4","2","1","3","5","1") = "6"
    & skf21("7","4","4","2","1","3","6","1") = "6"
    & skf21("7","4","4","2","1","3","7","1") = "6"
    & skf21("7","4","4","2","1","4","1","1") = "6"
    & skf21("7","4","4","2","1","4","2","1") = "6"
    & skf21("7","4","4","2","1","4","3","1") = "6"
    & skf21("7","4","4","2","1","4","4","1") = "6"
    & skf21("7","4","4","2","1","4","5","1") = "6"
    & skf21("7","4","4","2","1","4","6","1") = "6"
    & skf21("7","4","4","2","1","4","7","1") = "6"
    & skf21("7","4","4","2","1","5","1","1") = "6"
    & skf21("7","4","4","2","1","5","2","1") = "6"
    & skf21("7","4","4","2","1","5","3","1") = "6"
    & skf21("7","4","4","2","1","5","4","1") = "6"
    & skf21("7","4","4","2","1","5","5","1") = "6"
    & skf21("7","4","4","2","1","5","6","1") = "6"
    & skf21("7","4","4","2","1","5","7","1") = "6"
    & skf21("7","4","4","2","1","6","1","1") = "6"
    & skf21("7","4","4","2","1","6","2","1") = "6"
    & skf21("7","4","4","2","1","6","3","1") = "6"
    & skf21("7","4","4","2","1","6","4","1") = "6"
    & skf21("7","4","4","2","1","6","5","1") = "6"
    & skf21("7","4","4","2","1","6","6","1") = "6"
    & skf21("7","4","4","2","1","6","7","1") = "6"
    & skf21("7","4","4","2","1","7","1","1") = "6"
    & skf21("7","4","4","2","1","7","2","1") = "6"
    & skf21("7","4","4","2","1","7","3","1") = "6"
    & skf21("7","4","4","2","1","7","4","1") = "6"
    & skf21("7","4","4","2","1","7","5","1") = "6"
    & skf21("7","4","4","2","1","7","6","1") = "6"
    & skf21("7","4","4","2","1","7","7","1") = "6"
    & skf21("7","4","4","2","2","1","1","1") = "6"
    & skf21("7","4","4","2","2","1","2","1") = "6"
    & skf21("7","4","4","2","2","1","3","1") = "6"
    & skf21("7","4","4","2","2","1","4","1") = "6"
    & skf21("7","4","4","2","2","1","5","1") = "6"
    & skf21("7","4","4","2","2","1","6","1") = "6"
    & skf21("7","4","4","2","2","1","7","1") = "6"
    & skf21("7","4","4","2","2","2","1","1") = "6"
    & skf21("7","4","4","2","2","2","2","1") = "6"
    & skf21("7","4","4","2","2","2","3","1") = "6"
    & skf21("7","4","4","2","2","2","4","1") = "6"
    & skf21("7","4","4","2","2","2","5","1") = "6"
    & skf21("7","4","4","2","2","2","6","1") = "6"
    & skf21("7","4","4","2","2","2","7","1") = "6"
    & skf21("7","4","4","2","2","3","1","1") = "6"
    & skf21("7","4","4","2","2","3","2","1") = "6"
    & skf21("7","4","4","2","2","3","3","1") = "6"
    & skf21("7","4","4","2","2","3","4","1") = "6"
    & skf21("7","4","4","2","2","3","5","1") = "6"
    & skf21("7","4","4","2","2","3","6","1") = "6"
    & skf21("7","4","4","2","2","3","7","1") = "6"
    & skf21("7","4","4","2","2","4","1","1") = "6"
    & skf21("7","4","4","2","2","4","2","1") = "6"
    & skf21("7","4","4","2","2","4","3","1") = "6"
    & skf21("7","4","4","2","2","4","4","1") = "6"
    & skf21("7","4","4","2","2","4","5","1") = "6"
    & skf21("7","4","4","2","2","4","6","1") = "6"
    & skf21("7","4","4","2","2","4","7","1") = "6"
    & skf21("7","4","4","2","2","5","1","1") = "6"
    & skf21("7","4","4","2","2","5","2","1") = "6"
    & skf21("7","4","4","2","2","5","3","1") = "6"
    & skf21("7","4","4","2","2","5","4","1") = "6"
    & skf21("7","4","4","2","2","5","5","1") = "6"
    & skf21("7","4","4","2","2","5","6","1") = "6"
    & skf21("7","4","4","2","2","5","7","1") = "6"
    & skf21("7","4","4","2","2","6","1","1") = "6"
    & skf21("7","4","4","2","2","6","2","1") = "6"
    & skf21("7","4","4","2","2","6","3","1") = "6"
    & skf21("7","4","4","2","2","6","4","1") = "6"
    & skf21("7","4","4","2","2","6","5","1") = "6"
    & skf21("7","4","4","2","2","6","6","1") = "6"
    & skf21("7","4","4","2","2","6","7","1") = "6"
    & skf21("7","4","4","2","2","7","1","1") = "6"
    & skf21("7","4","4","2","2","7","2","1") = "6"
    & skf21("7","4","4","2","2","7","3","1") = "6"
    & skf21("7","4","4","2","2","7","4","1") = "6"
    & skf21("7","4","4","2","2","7","5","1") = "6"
    & skf21("7","4","4","2","2","7","6","1") = "6"
    & skf21("7","4","4","2","2","7","7","1") = "6"
    & skf21("7","4","4","2","3","1","1","1") = "6"
    & skf21("7","4","4","2","3","1","2","1") = "6"
    & skf21("7","4","4","2","3","1","3","1") = "6"
    & skf21("7","4","4","2","3","1","4","1") = "6"
    & skf21("7","4","4","2","3","1","5","1") = "6"
    & skf21("7","4","4","2","3","1","6","1") = "6"
    & skf21("7","4","4","2","3","1","7","1") = "6"
    & skf21("7","4","4","2","3","2","1","1") = "6"
    & skf21("7","4","4","2","3","2","2","1") = "6"
    & skf21("7","4","4","2","3","2","3","1") = "6"
    & skf21("7","4","4","2","3","2","4","1") = "6"
    & skf21("7","4","4","2","3","2","5","1") = "6"
    & skf21("7","4","4","2","3","2","6","1") = "6"
    & skf21("7","4","4","2","3","2","7","1") = "6"
    & skf21("7","4","4","2","3","3","1","1") = "6"
    & skf21("7","4","4","2","3","3","2","1") = "6"
    & skf21("7","4","4","2","3","3","3","1") = "6"
    & skf21("7","4","4","2","3","3","4","1") = "6"
    & skf21("7","4","4","2","3","3","5","1") = "6"
    & skf21("7","4","4","2","3","3","6","1") = "6"
    & skf21("7","4","4","2","3","3","7","1") = "6"
    & skf21("7","4","4","2","3","4","1","1") = "6"
    & skf21("7","4","4","2","3","4","2","1") = "6"
    & skf21("7","4","4","2","3","4","3","1") = "6"
    & skf21("7","4","4","2","3","4","4","1") = "6"
    & skf21("7","4","4","2","3","4","5","1") = "6"
    & skf21("7","4","4","2","3","4","6","1") = "6"
    & skf21("7","4","4","2","3","4","7","1") = "6"
    & skf21("7","4","4","2","3","5","1","1") = "6"
    & skf21("7","4","4","2","3","5","2","1") = "6"
    & skf21("7","4","4","2","3","5","3","1") = "6"
    & skf21("7","4","4","2","3","5","4","1") = "6"
    & skf21("7","4","4","2","3","5","5","1") = "6"
    & skf21("7","4","4","2","3","5","6","1") = "6"
    & skf21("7","4","4","2","3","5","7","1") = "6"
    & skf21("7","4","4","2","3","6","1","1") = "6"
    & skf21("7","4","4","2","3","6","2","1") = "6"
    & skf21("7","4","4","2","3","6","3","1") = "6"
    & skf21("7","4","4","2","3","6","4","1") = "6"
    & skf21("7","4","4","2","3","6","5","1") = "6"
    & skf21("7","4","4","2","3","6","6","1") = "6"
    & skf21("7","4","4","2","3","6","7","1") = "6"
    & skf21("7","4","4","2","3","7","1","1") = "6"
    & skf21("7","4","4","2","3","7","2","1") = "6"
    & skf21("7","4","4","2","3","7","3","1") = "6"
    & skf21("7","4","4","2","3","7","4","1") = "6"
    & skf21("7","4","4","2","3","7","5","1") = "6"
    & skf21("7","4","4","2","3","7","6","1") = "6"
    & skf21("7","4","4","2","3","7","7","1") = "6"
    & skf21("7","4","4","2","4","1","1","1") = "6"
    & skf21("7","4","4","2","4","1","2","1") = "6"
    & skf21("7","4","4","2","4","1","3","1") = "6"
    & skf21("7","4","4","2","4","1","4","1") = "6"
    & skf21("7","4","4","2","4","1","5","1") = "6"
    & skf21("7","4","4","2","4","1","6","1") = "6"
    & skf21("7","4","4","2","4","1","7","1") = "6"
    & skf21("7","4","4","2","4","2","1","1") = "6"
    & skf21("7","4","4","2","4","2","2","1") = "6"
    & skf21("7","4","4","2","4","2","3","1") = "6"
    & skf21("7","4","4","2","4","2","4","1") = "6"
    & skf21("7","4","4","2","4","2","5","1") = "6"
    & skf21("7","4","4","2","4","2","6","1") = "6"
    & skf21("7","4","4","2","4","2","7","1") = "6"
    & skf21("7","4","4","2","4","3","1","1") = "6"
    & skf21("7","4","4","2","4","3","2","1") = "6"
    & skf21("7","4","4","2","4","3","3","1") = "6"
    & skf21("7","4","4","2","4","3","4","1") = "6"
    & skf21("7","4","4","2","4","3","5","1") = "6"
    & skf21("7","4","4","2","4","3","6","1") = "6"
    & skf21("7","4","4","2","4","3","7","1") = "6"
    & skf21("7","4","4","2","4","4","1","1") = "6"
    & skf21("7","4","4","2","4","4","2","1") = "6"
    & skf21("7","4","4","2","4","4","3","1") = "6"
    & skf21("7","4","4","2","4","4","4","1") = "6"
    & skf21("7","4","4","2","4","4","5","1") = "6"
    & skf21("7","4","4","2","4","4","6","1") = "6"
    & skf21("7","4","4","2","4","4","7","1") = "6"
    & skf21("7","4","4","2","4","5","1","1") = "6"
    & skf21("7","4","4","2","4","5","2","1") = "6"
    & skf21("7","4","4","2","4","5","3","1") = "6"
    & skf21("7","4","4","2","4","5","4","1") = "6"
    & skf21("7","4","4","2","4","5","5","1") = "6"
    & skf21("7","4","4","2","4","5","6","1") = "6"
    & skf21("7","4","4","2","4","5","7","1") = "6"
    & skf21("7","4","4","2","4","6","1","1") = "6"
    & skf21("7","4","4","2","4","6","2","1") = "6"
    & skf21("7","4","4","2","4","6","3","1") = "6"
    & skf21("7","4","4","2","4","6","4","1") = "6"
    & skf21("7","4","4","2","4","6","5","1") = "6"
    & skf21("7","4","4","2","4","6","6","1") = "6"
    & skf21("7","4","4","2","4","6","7","1") = "6"
    & skf21("7","4","4","2","4","7","1","1") = "6"
    & skf21("7","4","4","2","4","7","2","1") = "6"
    & skf21("7","4","4","2","4","7","3","1") = "6"
    & skf21("7","4","4","2","4","7","4","1") = "6"
    & skf21("7","4","4","2","4","7","5","1") = "6"
    & skf21("7","4","4","2","4","7","6","1") = "6"
    & skf21("7","4","4","2","4","7","7","1") = "6"
    & skf21("7","4","4","2","5","1","1","1") = "6"
    & skf21("7","4","4","2","5","1","2","1") = "6"
    & skf21("7","4","4","2","5","1","3","1") = "6"
    & skf21("7","4","4","2","5","1","4","1") = "6"
    & skf21("7","4","4","2","5","1","5","1") = "6"
    & skf21("7","4","4","2","5","1","6","1") = "6"
    & skf21("7","4","4","2","5","1","7","1") = "6"
    & skf21("7","4","4","2","5","2","1","1") = "6"
    & skf21("7","4","4","2","5","2","2","1") = "6"
    & skf21("7","4","4","2","5","2","3","1") = "6"
    & skf21("7","4","4","2","5","2","4","1") = "6"
    & skf21("7","4","4","2","5","2","5","1") = "6"
    & skf21("7","4","4","2","5","2","6","1") = "6"
    & skf21("7","4","4","2","5","2","7","1") = "6"
    & skf21("7","4","4","2","5","3","1","1") = "6"
    & skf21("7","4","4","2","5","3","2","1") = "6"
    & skf21("7","4","4","2","5","3","3","1") = "6"
    & skf21("7","4","4","2","5","3","4","1") = "6"
    & skf21("7","4","4","2","5","3","5","1") = "6"
    & skf21("7","4","4","2","5","3","6","1") = "6"
    & skf21("7","4","4","2","5","3","7","1") = "6"
    & skf21("7","4","4","2","5","4","1","1") = "6"
    & skf21("7","4","4","2","5","4","2","1") = "6"
    & skf21("7","4","4","2","5","4","3","1") = "6"
    & skf21("7","4","4","2","5","4","4","1") = "6"
    & skf21("7","4","4","2","5","4","5","1") = "6"
    & skf21("7","4","4","2","5","4","6","1") = "6"
    & skf21("7","4","4","2","5","4","7","1") = "6"
    & skf21("7","4","4","2","5","5","1","1") = "6"
    & skf21("7","4","4","2","5","5","2","1") = "6"
    & skf21("7","4","4","2","5","5","3","1") = "6"
    & skf21("7","4","4","2","5","5","4","1") = "6"
    & skf21("7","4","4","2","5","5","5","1") = "6"
    & skf21("7","4","4","2","5","5","6","1") = "6"
    & skf21("7","4","4","2","5","5","7","1") = "6"
    & skf21("7","4","4","2","5","6","1","1") = "6"
    & skf21("7","4","4","2","5","6","2","1") = "6"
    & skf21("7","4","4","2","5","6","3","1") = "6"
    & skf21("7","4","4","2","5","6","4","1") = "6"
    & skf21("7","4","4","2","5","6","5","1") = "6"
    & skf21("7","4","4","2","5","6","6","1") = "6"
    & skf21("7","4","4","2","5","6","7","1") = "6"
    & skf21("7","4","4","2","5","7","1","1") = "6"
    & skf21("7","4","4","2","5","7","2","1") = "6"
    & skf21("7","4","4","2","5","7","3","1") = "6"
    & skf21("7","4","4","2","5","7","4","1") = "6"
    & skf21("7","4","4","2","5","7","5","1") = "6"
    & skf21("7","4","4","2","5","7","6","1") = "6"
    & skf21("7","4","4","2","5","7","7","1") = "6"
    & skf21("7","4","4","2","6","1","1","1") = "6"
    & skf21("7","4","4","2","6","1","2","1") = "6"
    & skf21("7","4","4","2","6","1","3","1") = "6"
    & skf21("7","4","4","2","6","1","4","1") = "6"
    & skf21("7","4","4","2","6","1","5","1") = "6"
    & skf21("7","4","4","2","6","1","6","1") = "6"
    & skf21("7","4","4","2","6","1","7","1") = "6"
    & skf21("7","4","4","2","6","2","1","1") = "6"
    & skf21("7","4","4","2","6","2","2","1") = "6"
    & skf21("7","4","4","2","6","2","3","1") = "6"
    & skf21("7","4","4","2","6","2","4","1") = "6"
    & skf21("7","4","4","2","6","2","5","1") = "6"
    & skf21("7","4","4","2","6","2","6","1") = "6"
    & skf21("7","4","4","2","6","2","7","1") = "6"
    & skf21("7","4","4","2","6","3","1","1") = "6"
    & skf21("7","4","4","2","6","3","2","1") = "6"
    & skf21("7","4","4","2","6","3","3","1") = "6"
    & skf21("7","4","4","2","6","3","4","1") = "6"
    & skf21("7","4","4","2","6","3","5","1") = "6"
    & skf21("7","4","4","2","6","3","6","1") = "6"
    & skf21("7","4","4","2","6","3","7","1") = "6"
    & skf21("7","4","4","2","6","4","1","1") = "6"
    & skf21("7","4","4","2","6","4","2","1") = "6"
    & skf21("7","4","4","2","6","4","3","1") = "6"
    & skf21("7","4","4","2","6","4","4","1") = "6"
    & skf21("7","4","4","2","6","4","5","1") = "6"
    & skf21("7","4","4","2","6","4","6","1") = "6"
    & skf21("7","4","4","2","6","4","7","1") = "6"
    & skf21("7","4","4","2","6","5","1","1") = "6"
    & skf21("7","4","4","2","6","5","2","1") = "6"
    & skf21("7","4","4","2","6","5","3","1") = "6"
    & skf21("7","4","4","2","6","5","4","1") = "6"
    & skf21("7","4","4","2","6","5","5","1") = "6"
    & skf21("7","4","4","2","6","5","6","1") = "6"
    & skf21("7","4","4","2","6","5","7","1") = "6"
    & skf21("7","4","4","2","6","6","1","1") = "6"
    & skf21("7","4","4","2","6","6","2","1") = "6"
    & skf21("7","4","4","2","6","6","3","1") = "6"
    & skf21("7","4","4","2","6","6","4","1") = "6"
    & skf21("7","4","4","2","6","6","5","1") = "6"
    & skf21("7","4","4","2","6","6","6","1") = "6"
    & skf21("7","4","4","2","6","6","7","1") = "6"
    & skf21("7","4","4","2","6","7","1","1") = "6"
    & skf21("7","4","4","2","6","7","2","1") = "6"
    & skf21("7","4","4","2","6","7","3","1") = "6"
    & skf21("7","4","4","2","6","7","4","1") = "6"
    & skf21("7","4","4","2","6","7","5","1") = "6"
    & skf21("7","4","4","2","6","7","6","1") = "6"
    & skf21("7","4","4","2","6","7","7","1") = "6"
    & skf21("7","4","4","2","7","1","1","1") = "6"
    & skf21("7","4","4","2","7","1","2","1") = "6"
    & skf21("7","4","4","2","7","1","3","1") = "6"
    & skf21("7","4","4","2","7","1","4","1") = "6"
    & skf21("7","4","4","2","7","1","5","1") = "6"
    & skf21("7","4","4","2","7","1","6","1") = "6"
    & skf21("7","4","4","2","7","1","7","1") = "6"
    & skf21("7","4","4","2","7","2","1","1") = "6"
    & skf21("7","4","4","2","7","2","2","1") = "6"
    & skf21("7","4","4","2","7","2","3","1") = "6"
    & skf21("7","4","4","2","7","2","4","1") = "6"
    & skf21("7","4","4","2","7","2","5","1") = "6"
    & skf21("7","4","4","2","7","2","6","1") = "6"
    & skf21("7","4","4","2","7","2","7","1") = "6"
    & skf21("7","4","4","2","7","3","1","1") = "6"
    & skf21("7","4","4","2","7","3","2","1") = "6"
    & skf21("7","4","4","2","7","3","3","1") = "6"
    & skf21("7","4","4","2","7","3","4","1") = "6"
    & skf21("7","4","4","2","7","3","5","1") = "6"
    & skf21("7","4","4","2","7","3","6","1") = "6"
    & skf21("7","4","4","2","7","3","7","1") = "6"
    & skf21("7","4","4","2","7","4","1","1") = "6"
    & skf21("7","4","4","2","7","4","2","1") = "6"
    & skf21("7","4","4","2","7","4","3","1") = "6"
    & skf21("7","4","4","2","7","4","4","1") = "6"
    & skf21("7","4","4","2","7","4","5","1") = "6"
    & skf21("7","4","4","2","7","4","6","1") = "6"
    & skf21("7","4","4","2","7","4","7","1") = "6"
    & skf21("7","4","4","2","7","5","1","1") = "6"
    & skf21("7","4","4","2","7","5","2","1") = "6"
    & skf21("7","4","4","2","7","5","3","1") = "6"
    & skf21("7","4","4","2","7","5","4","1") = "6"
    & skf21("7","4","4","2","7","5","5","1") = "6"
    & skf21("7","4","4","2","7","5","6","1") = "6"
    & skf21("7","4","4","2","7","5","7","1") = "6"
    & skf21("7","4","4","2","7","6","1","1") = "6"
    & skf21("7","4","4","2","7","6","2","1") = "6"
    & skf21("7","4","4","2","7","6","3","1") = "6"
    & skf21("7","4","4","2","7","6","4","1") = "6"
    & skf21("7","4","4","2","7","6","5","1") = "6"
    & skf21("7","4","4","2","7","6","6","1") = "6"
    & skf21("7","4","4","2","7","6","7","1") = "6"
    & skf21("7","4","4","2","7","7","1","1") = "6"
    & skf21("7","4","4","2","7","7","2","1") = "6"
    & skf21("7","4","4","2","7","7","3","1") = "6"
    & skf21("7","4","4","2","7","7","4","1") = "6"
    & skf21("7","4","4","2","7","7","5","1") = "6"
    & skf21("7","4","4","2","7","7","6","1") = "6"
    & skf21("7","4","4","2","7","7","7","1") = "6"
    & skf21("7","4","4","3","1","1","1","1") = "6"
    & skf21("7","4","4","3","1","1","2","1") = "6"
    & skf21("7","4","4","3","1","1","3","1") = "6"
    & skf21("7","4","4","3","1","1","4","1") = "6"
    & skf21("7","4","4","3","1","1","5","1") = "6"
    & skf21("7","4","4","3","1","1","6","1") = "6"
    & skf21("7","4","4","3","1","1","7","1") = "6"
    & skf21("7","4","4","3","1","2","1","1") = "6"
    & skf21("7","4","4","3","1","2","2","1") = "6"
    & skf21("7","4","4","3","1","2","3","1") = "6"
    & skf21("7","4","4","3","1","2","4","1") = "6"
    & skf21("7","4","4","3","1","2","5","1") = "6"
    & skf21("7","4","4","3","1","2","6","1") = "6"
    & skf21("7","4","4","3","1","2","7","1") = "6"
    & skf21("7","4","4","3","1","3","1","1") = "6"
    & skf21("7","4","4","3","1","3","2","1") = "6"
    & skf21("7","4","4","3","1","3","3","1") = "6"
    & skf21("7","4","4","3","1","3","4","1") = "6"
    & skf21("7","4","4","3","1","3","5","1") = "6"
    & skf21("7","4","4","3","1","3","6","1") = "6"
    & skf21("7","4","4","3","1","3","7","1") = "6"
    & skf21("7","4","4","3","1","4","1","1") = "6"
    & skf21("7","4","4","3","1","4","2","1") = "6"
    & skf21("7","4","4","3","1","4","3","1") = "6"
    & skf21("7","4","4","3","1","4","4","1") = "6"
    & skf21("7","4","4","3","1","4","5","1") = "6"
    & skf21("7","4","4","3","1","4","6","1") = "6"
    & skf21("7","4","4","3","1","4","7","1") = "6"
    & skf21("7","4","4","3","1","5","1","1") = "6"
    & skf21("7","4","4","3","1","5","2","1") = "6"
    & skf21("7","4","4","3","1","5","3","1") = "6"
    & skf21("7","4","4","3","1","5","4","1") = "6"
    & skf21("7","4","4","3","1","5","5","1") = "6"
    & skf21("7","4","4","3","1","5","6","1") = "6"
    & skf21("7","4","4","3","1","5","7","1") = "6"
    & skf21("7","4","4","3","1","6","1","1") = "6"
    & skf21("7","4","4","3","1","6","2","1") = "6"
    & skf21("7","4","4","3","1","6","3","1") = "6"
    & skf21("7","4","4","3","1","6","4","1") = "6"
    & skf21("7","4","4","3","1","6","5","1") = "6"
    & skf21("7","4","4","3","1","6","6","1") = "6"
    & skf21("7","4","4","3","1","6","7","1") = "6"
    & skf21("7","4","4","3","1","7","1","1") = "6"
    & skf21("7","4","4","3","1","7","2","1") = "6"
    & skf21("7","4","4","3","1","7","3","1") = "6"
    & skf21("7","4","4","3","1","7","4","1") = "6"
    & skf21("7","4","4","3","1","7","5","1") = "6"
    & skf21("7","4","4","3","1","7","6","1") = "6"
    & skf21("7","4","4","3","1","7","7","1") = "6"
    & skf21("7","4","4","3","2","1","1","1") = "6"
    & skf21("7","4","4","3","2","1","2","1") = "6"
    & skf21("7","4","4","3","2","1","3","1") = "6"
    & skf21("7","4","4","3","2","1","4","1") = "6"
    & skf21("7","4","4","3","2","1","5","1") = "6"
    & skf21("7","4","4","3","2","1","6","1") = "6"
    & skf21("7","4","4","3","2","1","7","1") = "6"
    & skf21("7","4","4","3","2","2","1","1") = "6"
    & skf21("7","4","4","3","2","2","2","1") = "6"
    & skf21("7","4","4","3","2","2","3","1") = "6"
    & skf21("7","4","4","3","2","2","4","1") = "6"
    & skf21("7","4","4","3","2","2","5","1") = "6"
    & skf21("7","4","4","3","2","2","6","1") = "6"
    & skf21("7","4","4","3","2","2","7","1") = "6"
    & skf21("7","4","4","3","2","3","1","1") = "6"
    & skf21("7","4","4","3","2","3","2","1") = "6"
    & skf21("7","4","4","3","2","3","3","1") = "6"
    & skf21("7","4","4","3","2","3","4","1") = "6"
    & skf21("7","4","4","3","2","3","5","1") = "6"
    & skf21("7","4","4","3","2","3","6","1") = "6"
    & skf21("7","4","4","3","2","3","7","1") = "6"
    & skf21("7","4","4","3","2","4","1","1") = "6"
    & skf21("7","4","4","3","2","4","2","1") = "6"
    & skf21("7","4","4","3","2","4","3","1") = "6"
    & skf21("7","4","4","3","2","4","4","1") = "6"
    & skf21("7","4","4","3","2","4","5","1") = "6"
    & skf21("7","4","4","3","2","4","6","1") = "6"
    & skf21("7","4","4","3","2","4","7","1") = "6"
    & skf21("7","4","4","3","2","5","1","1") = "6"
    & skf21("7","4","4","3","2","5","2","1") = "6"
    & skf21("7","4","4","3","2","5","3","1") = "6"
    & skf21("7","4","4","3","2","5","4","1") = "6"
    & skf21("7","4","4","3","2","5","5","1") = "6"
    & skf21("7","4","4","3","2","5","6","1") = "6"
    & skf21("7","4","4","3","2","5","7","1") = "6"
    & skf21("7","4","4","3","2","6","1","1") = "6"
    & skf21("7","4","4","3","2","6","2","1") = "6"
    & skf21("7","4","4","3","2","6","3","1") = "6"
    & skf21("7","4","4","3","2","6","4","1") = "6"
    & skf21("7","4","4","3","2","6","5","1") = "6"
    & skf21("7","4","4","3","2","6","6","1") = "6"
    & skf21("7","4","4","3","2","6","7","1") = "6"
    & skf21("7","4","4","3","2","7","1","1") = "6"
    & skf21("7","4","4","3","2","7","2","1") = "6"
    & skf21("7","4","4","3","2","7","3","1") = "6"
    & skf21("7","4","4","3","2","7","4","1") = "6"
    & skf21("7","4","4","3","2","7","5","1") = "6"
    & skf21("7","4","4","3","2","7","6","1") = "6"
    & skf21("7","4","4","3","2","7","7","1") = "6"
    & skf21("7","4","4","3","3","1","1","1") = "6"
    & skf21("7","4","4","3","3","1","2","1") = "6"
    & skf21("7","4","4","3","3","1","3","1") = "6"
    & skf21("7","4","4","3","3","1","4","1") = "6"
    & skf21("7","4","4","3","3","1","5","1") = "6"
    & skf21("7","4","4","3","3","1","6","1") = "6"
    & skf21("7","4","4","3","3","1","7","1") = "6"
    & skf21("7","4","4","3","3","2","1","1") = "6"
    & skf21("7","4","4","3","3","2","2","1") = "6"
    & skf21("7","4","4","3","3","2","3","1") = "6"
    & skf21("7","4","4","3","3","2","4","1") = "6"
    & skf21("7","4","4","3","3","2","5","1") = "6"
    & skf21("7","4","4","3","3","2","6","1") = "6"
    & skf21("7","4","4","3","3","2","7","1") = "6"
    & skf21("7","4","4","3","3","3","1","1") = "6"
    & skf21("7","4","4","3","3","3","2","1") = "6"
    & skf21("7","4","4","3","3","3","3","1") = "6"
    & skf21("7","4","4","3","3","3","4","1") = "6"
    & skf21("7","4","4","3","3","3","5","1") = "6"
    & skf21("7","4","4","3","3","3","6","1") = "6"
    & skf21("7","4","4","3","3","3","7","1") = "6"
    & skf21("7","4","4","3","3","4","1","1") = "6"
    & skf21("7","4","4","3","3","4","2","1") = "6"
    & skf21("7","4","4","3","3","4","3","1") = "6"
    & skf21("7","4","4","3","3","4","4","1") = "6"
    & skf21("7","4","4","3","3","4","5","1") = "6"
    & skf21("7","4","4","3","3","4","6","1") = "6"
    & skf21("7","4","4","3","3","4","7","1") = "6"
    & skf21("7","4","4","3","3","5","1","1") = "6"
    & skf21("7","4","4","3","3","5","2","1") = "6"
    & skf21("7","4","4","3","3","5","3","1") = "6"
    & skf21("7","4","4","3","3","5","4","1") = "6"
    & skf21("7","4","4","3","3","5","5","1") = "6"
    & skf21("7","4","4","3","3","5","6","1") = "6"
    & skf21("7","4","4","3","3","5","7","1") = "6"
    & skf21("7","4","4","3","3","6","1","1") = "6"
    & skf21("7","4","4","3","3","6","2","1") = "6"
    & skf21("7","4","4","3","3","6","3","1") = "6"
    & skf21("7","4","4","3","3","6","4","1") = "6"
    & skf21("7","4","4","3","3","6","5","1") = "6"
    & skf21("7","4","4","3","3","6","6","1") = "6"
    & skf21("7","4","4","3","3","6","7","1") = "6"
    & skf21("7","4","4","3","3","7","1","1") = "6"
    & skf21("7","4","4","3","3","7","2","1") = "6"
    & skf21("7","4","4","3","3","7","3","1") = "6"
    & skf21("7","4","4","3","3","7","4","1") = "6"
    & skf21("7","4","4","3","3","7","5","1") = "6"
    & skf21("7","4","4","3","3","7","6","1") = "6"
    & skf21("7","4","4","3","3","7","7","1") = "6"
    & skf21("7","4","4","3","4","1","1","1") = "6"
    & skf21("7","4","4","3","4","1","2","1") = "6"
    & skf21("7","4","4","3","4","1","3","1") = "6"
    & skf21("7","4","4","3","4","1","4","1") = "6"
    & skf21("7","4","4","3","4","1","5","1") = "6"
    & skf21("7","4","4","3","4","1","6","1") = "6"
    & skf21("7","4","4","3","4","1","7","1") = "6"
    & skf21("7","4","4","3","4","2","1","1") = "6"
    & skf21("7","4","4","3","4","2","2","1") = "6"
    & skf21("7","4","4","3","4","2","3","1") = "6"
    & skf21("7","4","4","3","4","2","4","1") = "6"
    & skf21("7","4","4","3","4","2","5","1") = "6"
    & skf21("7","4","4","3","4","2","6","1") = "6"
    & skf21("7","4","4","3","4","2","7","1") = "6"
    & skf21("7","4","4","3","4","3","1","1") = "6"
    & skf21("7","4","4","3","4","3","2","1") = "6"
    & skf21("7","4","4","3","4","3","3","1") = "6"
    & skf21("7","4","4","3","4","3","4","1") = "6"
    & skf21("7","4","4","3","4","3","5","1") = "6"
    & skf21("7","4","4","3","4","3","6","1") = "6"
    & skf21("7","4","4","3","4","3","7","1") = "6"
    & skf21("7","4","4","3","4","4","1","1") = "6"
    & skf21("7","4","4","3","4","4","2","1") = "6"
    & skf21("7","4","4","3","4","4","3","1") = "6"
    & skf21("7","4","4","3","4","4","4","1") = "6"
    & skf21("7","4","4","3","4","4","5","1") = "6"
    & skf21("7","4","4","3","4","4","6","1") = "6"
    & skf21("7","4","4","3","4","4","7","1") = "6"
    & skf21("7","4","4","3","4","5","1","1") = "6"
    & skf21("7","4","4","3","4","5","2","1") = "6"
    & skf21("7","4","4","3","4","5","3","1") = "6"
    & skf21("7","4","4","3","4","5","4","1") = "6"
    & skf21("7","4","4","3","4","5","5","1") = "6"
    & skf21("7","4","4","3","4","5","6","1") = "6"
    & skf21("7","4","4","3","4","5","7","1") = "6"
    & skf21("7","4","4","3","4","6","1","1") = "6"
    & skf21("7","4","4","3","4","6","2","1") = "6"
    & skf21("7","4","4","3","4","6","3","1") = "6"
    & skf21("7","4","4","3","4","6","4","1") = "6"
    & skf21("7","4","4","3","4","6","5","1") = "6"
    & skf21("7","4","4","3","4","6","6","1") = "6"
    & skf21("7","4","4","3","4","6","7","1") = "6"
    & skf21("7","4","4","3","4","7","1","1") = "6"
    & skf21("7","4","4","3","4","7","2","1") = "6"
    & skf21("7","4","4","3","4","7","3","1") = "6"
    & skf21("7","4","4","3","4","7","4","1") = "6"
    & skf21("7","4","4","3","4","7","5","1") = "6"
    & skf21("7","4","4","3","4","7","6","1") = "6"
    & skf21("7","4","4","3","4","7","7","1") = "6"
    & skf21("7","4","4","3","5","1","1","1") = "6"
    & skf21("7","4","4","3","5","1","2","1") = "6"
    & skf21("7","4","4","3","5","1","3","1") = "6"
    & skf21("7","4","4","3","5","1","4","1") = "6"
    & skf21("7","4","4","3","5","1","5","1") = "6"
    & skf21("7","4","4","3","5","1","6","1") = "6"
    & skf21("7","4","4","3","5","1","7","1") = "6"
    & skf21("7","4","4","3","5","2","1","1") = "6"
    & skf21("7","4","4","3","5","2","2","1") = "6"
    & skf21("7","4","4","3","5","2","3","1") = "6"
    & skf21("7","4","4","3","5","2","4","1") = "6"
    & skf21("7","4","4","3","5","2","5","1") = "6"
    & skf21("7","4","4","3","5","2","6","1") = "6"
    & skf21("7","4","4","3","5","2","7","1") = "6"
    & skf21("7","4","4","3","5","3","1","1") = "6"
    & skf21("7","4","4","3","5","3","2","1") = "6"
    & skf21("7","4","4","3","5","3","3","1") = "6"
    & skf21("7","4","4","3","5","3","4","1") = "6"
    & skf21("7","4","4","3","5","3","5","1") = "6"
    & skf21("7","4","4","3","5","3","6","1") = "6"
    & skf21("7","4","4","3","5","3","7","1") = "6"
    & skf21("7","4","4","3","5","4","1","1") = "6"
    & skf21("7","4","4","3","5","4","2","1") = "6"
    & skf21("7","4","4","3","5","4","3","1") = "6"
    & skf21("7","4","4","3","5","4","4","1") = "6"
    & skf21("7","4","4","3","5","4","5","1") = "6"
    & skf21("7","4","4","3","5","4","6","1") = "6"
    & skf21("7","4","4","3","5","4","7","1") = "6"
    & skf21("7","4","4","3","5","5","1","1") = "6"
    & skf21("7","4","4","3","5","5","2","1") = "6"
    & skf21("7","4","4","3","5","5","3","1") = "6"
    & skf21("7","4","4","3","5","5","4","1") = "6"
    & skf21("7","4","4","3","5","5","5","1") = "6"
    & skf21("7","4","4","3","5","5","6","1") = "6"
    & skf21("7","4","4","3","5","5","7","1") = "6"
    & skf21("7","4","4","3","5","6","1","1") = "6"
    & skf21("7","4","4","3","5","6","2","1") = "6"
    & skf21("7","4","4","3","5","6","3","1") = "6"
    & skf21("7","4","4","3","5","6","4","1") = "6"
    & skf21("7","4","4","3","5","6","5","1") = "6"
    & skf21("7","4","4","3","5","6","6","1") = "6"
    & skf21("7","4","4","3","5","6","7","1") = "6"
    & skf21("7","4","4","3","5","7","1","1") = "6"
    & skf21("7","4","4","3","5","7","2","1") = "6"
    & skf21("7","4","4","3","5","7","3","1") = "6"
    & skf21("7","4","4","3","5","7","4","1") = "6"
    & skf21("7","4","4","3","5","7","5","1") = "6"
    & skf21("7","4","4","3","5","7","6","1") = "6"
    & skf21("7","4","4","3","5","7","7","1") = "6"
    & skf21("7","4","4","3","6","1","1","1") = "6"
    & skf21("7","4","4","3","6","1","2","1") = "6"
    & skf21("7","4","4","3","6","1","3","1") = "6"
    & skf21("7","4","4","3","6","1","4","1") = "6"
    & skf21("7","4","4","3","6","1","5","1") = "6"
    & skf21("7","4","4","3","6","1","6","1") = "6"
    & skf21("7","4","4","3","6","1","7","1") = "6"
    & skf21("7","4","4","3","6","2","1","1") = "6"
    & skf21("7","4","4","3","6","2","2","1") = "6"
    & skf21("7","4","4","3","6","2","3","1") = "6"
    & skf21("7","4","4","3","6","2","4","1") = "6"
    & skf21("7","4","4","3","6","2","5","1") = "6"
    & skf21("7","4","4","3","6","2","6","1") = "6"
    & skf21("7","4","4","3","6","2","7","1") = "6"
    & skf21("7","4","4","3","6","3","1","1") = "6"
    & skf21("7","4","4","3","6","3","2","1") = "6"
    & skf21("7","4","4","3","6","3","3","1") = "6"
    & skf21("7","4","4","3","6","3","4","1") = "6"
    & skf21("7","4","4","3","6","3","5","1") = "6"
    & skf21("7","4","4","3","6","3","6","1") = "6"
    & skf21("7","4","4","3","6","3","7","1") = "6"
    & skf21("7","4","4","3","6","4","1","1") = "6"
    & skf21("7","4","4","3","6","4","2","1") = "6"
    & skf21("7","4","4","3","6","4","3","1") = "6"
    & skf21("7","4","4","3","6","4","4","1") = "6"
    & skf21("7","4","4","3","6","4","5","1") = "6"
    & skf21("7","4","4","3","6","4","6","1") = "6"
    & skf21("7","4","4","3","6","4","7","1") = "6"
    & skf21("7","4","4","3","6","5","1","1") = "6"
    & skf21("7","4","4","3","6","5","2","1") = "6"
    & skf21("7","4","4","3","6","5","3","1") = "6"
    & skf21("7","4","4","3","6","5","4","1") = "6"
    & skf21("7","4","4","3","6","5","5","1") = "6"
    & skf21("7","4","4","3","6","5","6","1") = "6"
    & skf21("7","4","4","3","6","5","7","1") = "6"
    & skf21("7","4","4","3","6","6","1","1") = "6"
    & skf21("7","4","4","3","6","6","2","1") = "6"
    & skf21("7","4","4","3","6","6","3","1") = "6"
    & skf21("7","4","4","3","6","6","4","1") = "6"
    & skf21("7","4","4","3","6","6","5","1") = "6"
    & skf21("7","4","4","3","6","6","6","1") = "6"
    & skf21("7","4","4","3","6","6","7","1") = "6"
    & skf21("7","4","4","3","6","7","1","1") = "6"
    & skf21("7","4","4","3","6","7","2","1") = "6"
    & skf21("7","4","4","3","6","7","3","1") = "6"
    & skf21("7","4","4","3","6","7","4","1") = "6"
    & skf21("7","4","4","3","6","7","5","1") = "6"
    & skf21("7","4","4","3","6","7","6","1") = "6"
    & skf21("7","4","4","3","6","7","7","1") = "6"
    & skf21("7","4","4","3","7","1","1","1") = "6"
    & skf21("7","4","4","3","7","1","2","1") = "6"
    & skf21("7","4","4","3","7","1","3","1") = "6"
    & skf21("7","4","4","3","7","1","4","1") = "6"
    & skf21("7","4","4","3","7","1","5","1") = "6"
    & skf21("7","4","4","3","7","1","6","1") = "6"
    & skf21("7","4","4","3","7","1","7","1") = "6"
    & skf21("7","4","4","3","7","2","1","1") = "6"
    & skf21("7","4","4","3","7","2","2","1") = "6"
    & skf21("7","4","4","3","7","2","3","1") = "6"
    & skf21("7","4","4","3","7","2","4","1") = "6"
    & skf21("7","4","4","3","7","2","5","1") = "6"
    & skf21("7","4","4","3","7","2","6","1") = "6"
    & skf21("7","4","4","3","7","2","7","1") = "6"
    & skf21("7","4","4","3","7","3","1","1") = "6"
    & skf21("7","4","4","3","7","3","2","1") = "6"
    & skf21("7","4","4","3","7","3","3","1") = "6"
    & skf21("7","4","4","3","7","3","4","1") = "6"
    & skf21("7","4","4","3","7","3","5","1") = "6"
    & skf21("7","4","4","3","7","3","6","1") = "6"
    & skf21("7","4","4","3","7","3","7","1") = "6"
    & skf21("7","4","4","3","7","4","1","1") = "6"
    & skf21("7","4","4","3","7","4","2","1") = "6"
    & skf21("7","4","4","3","7","4","3","1") = "6"
    & skf21("7","4","4","3","7","4","4","1") = "6"
    & skf21("7","4","4","3","7","4","5","1") = "6"
    & skf21("7","4","4","3","7","4","6","1") = "6"
    & skf21("7","4","4","3","7","4","7","1") = "6"
    & skf21("7","4","4","3","7","5","1","1") = "6"
    & skf21("7","4","4","3","7","5","2","1") = "6"
    & skf21("7","4","4","3","7","5","3","1") = "6"
    & skf21("7","4","4","3","7","5","4","1") = "6"
    & skf21("7","4","4","3","7","5","5","1") = "6"
    & skf21("7","4","4","3","7","5","6","1") = "6"
    & skf21("7","4","4","3","7","5","7","1") = "6"
    & skf21("7","4","4","3","7","6","1","1") = "6"
    & skf21("7","4","4","3","7","6","2","1") = "6"
    & skf21("7","4","4","3","7","6","3","1") = "6"
    & skf21("7","4","4","3","7","6","4","1") = "6"
    & skf21("7","4","4","3","7","6","5","1") = "6"
    & skf21("7","4","4","3","7","6","6","1") = "6"
    & skf21("7","4","4","3","7","6","7","1") = "6"
    & skf21("7","4","4","3","7","7","1","1") = "6"
    & skf21("7","4","4","3","7","7","2","1") = "6"
    & skf21("7","4","4","3","7","7","3","1") = "6"
    & skf21("7","4","4","3","7","7","4","1") = "6"
    & skf21("7","4","4","3","7","7","5","1") = "6"
    & skf21("7","4","4","3","7","7","6","1") = "6"
    & skf21("7","4","4","3","7","7","7","1") = "6"
    & skf21("7","4","4","4","1","1","1","1") = "6"
    & skf21("7","4","4","4","1","1","2","1") = "6"
    & skf21("7","4","4","4","1","1","3","1") = "6"
    & skf21("7","4","4","4","1","1","4","1") = "6"
    & skf21("7","4","4","4","1","1","5","1") = "6"
    & skf21("7","4","4","4","1","1","6","1") = "6"
    & skf21("7","4","4","4","1","1","7","1") = "6"
    & skf21("7","4","4","4","1","2","1","1") = "6"
    & skf21("7","4","4","4","1","2","2","1") = "6"
    & skf21("7","4","4","4","1","2","3","1") = "6"
    & skf21("7","4","4","4","1","2","4","1") = "6"
    & skf21("7","4","4","4","1","2","5","1") = "6"
    & skf21("7","4","4","4","1","2","6","1") = "6"
    & skf21("7","4","4","4","1","2","7","1") = "6"
    & skf21("7","4","4","4","1","3","1","1") = "6"
    & skf21("7","4","4","4","1","3","2","1") = "6"
    & skf21("7","4","4","4","1","3","3","1") = "6"
    & skf21("7","4","4","4","1","3","4","1") = "6"
    & skf21("7","4","4","4","1","3","5","1") = "6"
    & skf21("7","4","4","4","1","3","6","1") = "6"
    & skf21("7","4","4","4","1","3","7","1") = "6"
    & skf21("7","4","4","4","1","4","1","1") = "6"
    & skf21("7","4","4","4","1","4","2","1") = "6"
    & skf21("7","4","4","4","1","4","3","1") = "6"
    & skf21("7","4","4","4","1","4","4","1") = "6"
    & skf21("7","4","4","4","1","4","5","1") = "6"
    & skf21("7","4","4","4","1","4","6","1") = "6"
    & skf21("7","4","4","4","1","4","7","1") = "6"
    & skf21("7","4","4","4","1","5","1","1") = "6"
    & skf21("7","4","4","4","1","5","2","1") = "6"
    & skf21("7","4","4","4","1","5","3","1") = "6"
    & skf21("7","4","4","4","1","5","4","1") = "6"
    & skf21("7","4","4","4","1","5","5","1") = "6"
    & skf21("7","4","4","4","1","5","6","1") = "6"
    & skf21("7","4","4","4","1","5","7","1") = "6"
    & skf21("7","4","4","4","1","6","1","1") = "6"
    & skf21("7","4","4","4","1","6","2","1") = "6"
    & skf21("7","4","4","4","1","6","3","1") = "6"
    & skf21("7","4","4","4","1","6","4","1") = "6"
    & skf21("7","4","4","4","1","6","5","1") = "6"
    & skf21("7","4","4","4","1","6","6","1") = "6"
    & skf21("7","4","4","4","1","6","7","1") = "6"
    & skf21("7","4","4","4","1","7","1","1") = "6"
    & skf21("7","4","4","4","1","7","2","1") = "6"
    & skf21("7","4","4","4","1","7","3","1") = "6"
    & skf21("7","4","4","4","1","7","4","1") = "6"
    & skf21("7","4","4","4","1","7","5","1") = "6"
    & skf21("7","4","4","4","1","7","6","1") = "6"
    & skf21("7","4","4","4","1","7","7","1") = "6"
    & skf21("7","4","4","4","2","1","1","1") = "6"
    & skf21("7","4","4","4","2","1","2","1") = "6"
    & skf21("7","4","4","4","2","1","3","1") = "6"
    & skf21("7","4","4","4","2","1","4","1") = "6"
    & skf21("7","4","4","4","2","1","5","1") = "6"
    & skf21("7","4","4","4","2","1","6","1") = "6"
    & skf21("7","4","4","4","2","1","7","1") = "6"
    & skf21("7","4","4","4","2","2","1","1") = "6"
    & skf21("7","4","4","4","2","2","2","1") = "6"
    & skf21("7","4","4","4","2","2","3","1") = "6"
    & skf21("7","4","4","4","2","2","4","1") = "6"
    & skf21("7","4","4","4","2","2","5","1") = "6"
    & skf21("7","4","4","4","2","2","6","1") = "6"
    & skf21("7","4","4","4","2","2","7","1") = "6"
    & skf21("7","4","4","4","2","3","1","1") = "6"
    & skf21("7","4","4","4","2","3","2","1") = "6"
    & skf21("7","4","4","4","2","3","3","1") = "6"
    & skf21("7","4","4","4","2","3","4","1") = "6"
    & skf21("7","4","4","4","2","3","5","1") = "6"
    & skf21("7","4","4","4","2","3","6","1") = "6"
    & skf21("7","4","4","4","2","3","7","1") = "6"
    & skf21("7","4","4","4","2","4","1","1") = "6"
    & skf21("7","4","4","4","2","4","2","1") = "6"
    & skf21("7","4","4","4","2","4","3","1") = "6"
    & skf21("7","4","4","4","2","4","4","1") = "6"
    & skf21("7","4","4","4","2","4","5","1") = "6"
    & skf21("7","4","4","4","2","4","6","1") = "6"
    & skf21("7","4","4","4","2","4","7","1") = "6"
    & skf21("7","4","4","4","2","5","1","1") = "6"
    & skf21("7","4","4","4","2","5","2","1") = "6"
    & skf21("7","4","4","4","2","5","3","1") = "6"
    & skf21("7","4","4","4","2","5","4","1") = "6"
    & skf21("7","4","4","4","2","5","5","1") = "6"
    & skf21("7","4","4","4","2","5","6","1") = "6"
    & skf21("7","4","4","4","2","5","7","1") = "6"
    & skf21("7","4","4","4","2","6","1","1") = "6"
    & skf21("7","4","4","4","2","6","2","1") = "6"
    & skf21("7","4","4","4","2","6","3","1") = "6"
    & skf21("7","4","4","4","2","6","4","1") = "6"
    & skf21("7","4","4","4","2","6","5","1") = "6"
    & skf21("7","4","4","4","2","6","6","1") = "6"
    & skf21("7","4","4","4","2","6","7","1") = "6"
    & skf21("7","4","4","4","2","7","1","1") = "6"
    & skf21("7","4","4","4","2","7","2","1") = "6"
    & skf21("7","4","4","4","2","7","3","1") = "6"
    & skf21("7","4","4","4","2","7","4","1") = "6"
    & skf21("7","4","4","4","2","7","5","1") = "6"
    & skf21("7","4","4","4","2","7","6","1") = "6"
    & skf21("7","4","4","4","2","7","7","1") = "6"
    & skf21("7","4","4","4","3","1","1","1") = "6"
    & skf21("7","4","4","4","3","1","2","1") = "6"
    & skf21("7","4","4","4","3","1","3","1") = "6"
    & skf21("7","4","4","4","3","1","4","1") = "6"
    & skf21("7","4","4","4","3","1","5","1") = "6"
    & skf21("7","4","4","4","3","1","6","1") = "6"
    & skf21("7","4","4","4","3","1","7","1") = "6"
    & skf21("7","4","4","4","3","2","1","1") = "6"
    & skf21("7","4","4","4","3","2","2","1") = "6"
    & skf21("7","4","4","4","3","2","3","1") = "6"
    & skf21("7","4","4","4","3","2","4","1") = "6"
    & skf21("7","4","4","4","3","2","5","1") = "6"
    & skf21("7","4","4","4","3","2","6","1") = "6"
    & skf21("7","4","4","4","3","2","7","1") = "6"
    & skf21("7","4","4","4","3","3","1","1") = "6"
    & skf21("7","4","4","4","3","3","2","1") = "6"
    & skf21("7","4","4","4","3","3","3","1") = "6"
    & skf21("7","4","4","4","3","3","4","1") = "6"
    & skf21("7","4","4","4","3","3","5","1") = "6"
    & skf21("7","4","4","4","3","3","6","1") = "6"
    & skf21("7","4","4","4","3","3","7","1") = "6"
    & skf21("7","4","4","4","3","4","1","1") = "6"
    & skf21("7","4","4","4","3","4","2","1") = "6"
    & skf21("7","4","4","4","3","4","3","1") = "6"
    & skf21("7","4","4","4","3","4","4","1") = "6"
    & skf21("7","4","4","4","3","4","5","1") = "6"
    & skf21("7","4","4","4","3","4","6","1") = "6"
    & skf21("7","4","4","4","3","4","7","1") = "6"
    & skf21("7","4","4","4","3","5","1","1") = "6"
    & skf21("7","4","4","4","3","5","2","1") = "6"
    & skf21("7","4","4","4","3","5","3","1") = "6"
    & skf21("7","4","4","4","3","5","4","1") = "6"
    & skf21("7","4","4","4","3","5","5","1") = "6"
    & skf21("7","4","4","4","3","5","6","1") = "6"
    & skf21("7","4","4","4","3","5","7","1") = "6"
    & skf21("7","4","4","4","3","6","1","1") = "6"
    & skf21("7","4","4","4","3","6","2","1") = "6"
    & skf21("7","4","4","4","3","6","3","1") = "6"
    & skf21("7","4","4","4","3","6","4","1") = "6"
    & skf21("7","4","4","4","3","6","5","1") = "6"
    & skf21("7","4","4","4","3","6","6","1") = "6"
    & skf21("7","4","4","4","3","6","7","1") = "6"
    & skf21("7","4","4","4","3","7","1","1") = "6"
    & skf21("7","4","4","4","3","7","2","1") = "6"
    & skf21("7","4","4","4","3","7","3","1") = "6"
    & skf21("7","4","4","4","3","7","4","1") = "6"
    & skf21("7","4","4","4","3","7","5","1") = "6"
    & skf21("7","4","4","4","3","7","6","1") = "6"
    & skf21("7","4","4","4","3","7","7","1") = "6"
    & skf21("7","4","4","4","4","1","1","1") = "6"
    & skf21("7","4","4","4","4","1","2","1") = "6"
    & skf21("7","4","4","4","4","1","3","1") = "6"
    & skf21("7","4","4","4","4","1","4","1") = "6"
    & skf21("7","4","4","4","4","1","5","1") = "6"
    & skf21("7","4","4","4","4","1","6","1") = "6"
    & skf21("7","4","4","4","4","1","7","1") = "6"
    & skf21("7","4","4","4","4","2","1","1") = "6"
    & skf21("7","4","4","4","4","2","2","1") = "6"
    & skf21("7","4","4","4","4","2","3","1") = "6"
    & skf21("7","4","4","4","4","2","4","1") = "6"
    & skf21("7","4","4","4","4","2","5","1") = "6"
    & skf21("7","4","4","4","4","2","6","1") = "6"
    & skf21("7","4","4","4","4","2","7","1") = "6"
    & skf21("7","4","4","4","4","3","1","1") = "6"
    & skf21("7","4","4","4","4","3","2","1") = "6"
    & skf21("7","4","4","4","4","3","3","1") = "6"
    & skf21("7","4","4","4","4","3","4","1") = "6"
    & skf21("7","4","4","4","4","3","5","1") = "6"
    & skf21("7","4","4","4","4","3","6","1") = "6"
    & skf21("7","4","4","4","4","3","7","1") = "6"
    & skf21("7","4","4","4","4","4","1","1") = "6"
    & skf21("7","4","4","4","4","4","2","1") = "6"
    & skf21("7","4","4","4","4","4","3","1") = "6"
    & skf21("7","4","4","4","4","4","4","1") = "6"
    & skf21("7","4","4","4","4","4","5","1") = "6"
    & skf21("7","4","4","4","4","4","6","1") = "6"
    & skf21("7","4","4","4","4","4","7","1") = "6"
    & skf21("7","4","4","4","4","5","1","1") = "6"
    & skf21("7","4","4","4","4","5","2","1") = "6"
    & skf21("7","4","4","4","4","5","3","1") = "6"
    & skf21("7","4","4","4","4","5","4","1") = "6"
    & skf21("7","4","4","4","4","5","5","1") = "6"
    & skf21("7","4","4","4","4","5","6","1") = "6"
    & skf21("7","4","4","4","4","5","7","1") = "6"
    & skf21("7","4","4","4","4","6","1","1") = "6"
    & skf21("7","4","4","4","4","6","2","1") = "6"
    & skf21("7","4","4","4","4","6","3","1") = "6"
    & skf21("7","4","4","4","4","6","4","1") = "6"
    & skf21("7","4","4","4","4","6","5","1") = "6"
    & skf21("7","4","4","4","4","6","6","1") = "6"
    & skf21("7","4","4","4","4","6","7","1") = "6"
    & skf21("7","4","4","4","4","7","1","1") = "6"
    & skf21("7","4","4","4","4","7","2","1") = "6"
    & skf21("7","4","4","4","4","7","3","1") = "6"
    & skf21("7","4","4","4","4","7","4","1") = "6"
    & skf21("7","4","4","4","4","7","5","1") = "6"
    & skf21("7","4","4","4","4","7","6","1") = "6"
    & skf21("7","4","4","4","4","7","7","1") = "6"
    & skf21("7","4","4","4","5","1","1","1") = "6"
    & skf21("7","4","4","4","5","1","2","1") = "6"
    & skf21("7","4","4","4","5","1","3","1") = "6"
    & skf21("7","4","4","4","5","1","4","1") = "6"
    & skf21("7","4","4","4","5","1","5","1") = "6"
    & skf21("7","4","4","4","5","1","6","1") = "6"
    & skf21("7","4","4","4","5","1","7","1") = "6"
    & skf21("7","4","4","4","5","2","1","1") = "6"
    & skf21("7","4","4","4","5","2","2","1") = "6"
    & skf21("7","4","4","4","5","2","3","1") = "6"
    & skf21("7","4","4","4","5","2","4","1") = "6"
    & skf21("7","4","4","4","5","2","5","1") = "6"
    & skf21("7","4","4","4","5","2","6","1") = "6"
    & skf21("7","4","4","4","5","2","7","1") = "6"
    & skf21("7","4","4","4","5","3","1","1") = "6"
    & skf21("7","4","4","4","5","3","2","1") = "6"
    & skf21("7","4","4","4","5","3","3","1") = "6"
    & skf21("7","4","4","4","5","3","4","1") = "6"
    & skf21("7","4","4","4","5","3","5","1") = "6"
    & skf21("7","4","4","4","5","3","6","1") = "6"
    & skf21("7","4","4","4","5","3","7","1") = "6"
    & skf21("7","4","4","4","5","4","1","1") = "6"
    & skf21("7","4","4","4","5","4","2","1") = "6"
    & skf21("7","4","4","4","5","4","3","1") = "6"
    & skf21("7","4","4","4","5","4","4","1") = "6"
    & skf21("7","4","4","4","5","4","5","1") = "6"
    & skf21("7","4","4","4","5","4","6","1") = "6"
    & skf21("7","4","4","4","5","4","7","1") = "6"
    & skf21("7","4","4","4","5","5","1","1") = "6"
    & skf21("7","4","4","4","5","5","2","1") = "6"
    & skf21("7","4","4","4","5","5","3","1") = "6"
    & skf21("7","4","4","4","5","5","4","1") = "6"
    & skf21("7","4","4","4","5","5","5","1") = "6"
    & skf21("7","4","4","4","5","5","6","1") = "6"
    & skf21("7","4","4","4","5","5","7","1") = "6"
    & skf21("7","4","4","4","5","6","1","1") = "6"
    & skf21("7","4","4","4","5","6","2","1") = "6"
    & skf21("7","4","4","4","5","6","3","1") = "6"
    & skf21("7","4","4","4","5","6","4","1") = "6"
    & skf21("7","4","4","4","5","6","5","1") = "6"
    & skf21("7","4","4","4","5","6","6","1") = "6"
    & skf21("7","4","4","4","5","6","7","1") = "6"
    & skf21("7","4","4","4","5","7","1","1") = "6"
    & skf21("7","4","4","4","5","7","2","1") = "6"
    & skf21("7","4","4","4","5","7","3","1") = "6"
    & skf21("7","4","4","4","5","7","4","1") = "6"
    & skf21("7","4","4","4","5","7","5","1") = "6"
    & skf21("7","4","4","4","5","7","6","1") = "6"
    & skf21("7","4","4","4","5","7","7","1") = "6"
    & skf21("7","4","4","4","6","1","1","1") = "6"
    & skf21("7","4","4","4","6","1","2","1") = "6"
    & skf21("7","4","4","4","6","1","3","1") = "6"
    & skf21("7","4","4","4","6","1","4","1") = "6"
    & skf21("7","4","4","4","6","1","5","1") = "6"
    & skf21("7","4","4","4","6","1","6","1") = "6"
    & skf21("7","4","4","4","6","1","7","1") = "6"
    & skf21("7","4","4","4","6","2","1","1") = "6"
    & skf21("7","4","4","4","6","2","2","1") = "6"
    & skf21("7","4","4","4","6","2","3","1") = "6"
    & skf21("7","4","4","4","6","2","4","1") = "6"
    & skf21("7","4","4","4","6","2","5","1") = "6"
    & skf21("7","4","4","4","6","2","6","1") = "6"
    & skf21("7","4","4","4","6","2","7","1") = "6"
    & skf21("7","4","4","4","6","3","1","1") = "6"
    & skf21("7","4","4","4","6","3","2","1") = "6"
    & skf21("7","4","4","4","6","3","3","1") = "6"
    & skf21("7","4","4","4","6","3","4","1") = "6"
    & skf21("7","4","4","4","6","3","5","1") = "6"
    & skf21("7","4","4","4","6","3","6","1") = "6"
    & skf21("7","4","4","4","6","3","7","1") = "6"
    & skf21("7","4","4","4","6","4","1","1") = "6"
    & skf21("7","4","4","4","6","4","2","1") = "6"
    & skf21("7","4","4","4","6","4","3","1") = "6"
    & skf21("7","4","4","4","6","4","4","1") = "6"
    & skf21("7","4","4","4","6","4","5","1") = "6"
    & skf21("7","4","4","4","6","4","6","1") = "6"
    & skf21("7","4","4","4","6","4","7","1") = "6"
    & skf21("7","4","4","4","6","5","1","1") = "6"
    & skf21("7","4","4","4","6","5","2","1") = "6"
    & skf21("7","4","4","4","6","5","3","1") = "6"
    & skf21("7","4","4","4","6","5","4","1") = "6"
    & skf21("7","4","4","4","6","5","5","1") = "6"
    & skf21("7","4","4","4","6","5","6","1") = "6"
    & skf21("7","4","4","4","6","5","7","1") = "6"
    & skf21("7","4","4","4","6","6","1","1") = "6"
    & skf21("7","4","4","4","6","6","2","1") = "6"
    & skf21("7","4","4","4","6","6","3","1") = "6"
    & skf21("7","4","4","4","6","6","4","1") = "6"
    & skf21("7","4","4","4","6","6","5","1") = "6"
    & skf21("7","4","4","4","6","6","6","1") = "6"
    & skf21("7","4","4","4","6","6","7","1") = "6"
    & skf21("7","4","4","4","6","7","1","1") = "6"
    & skf21("7","4","4","4","6","7","2","1") = "6"
    & skf21("7","4","4","4","6","7","3","1") = "6"
    & skf21("7","4","4","4","6","7","4","1") = "6"
    & skf21("7","4","4","4","6","7","5","1") = "6"
    & skf21("7","4","4","4","6","7","6","1") = "6"
    & skf21("7","4","4","4","6","7","7","1") = "6"
    & skf21("7","4","4","4","7","1","1","1") = "6"
    & skf21("7","4","4","4","7","1","2","1") = "6"
    & skf21("7","4","4","4","7","1","3","1") = "6"
    & skf21("7","4","4","4","7","1","4","1") = "6"
    & skf21("7","4","4","4","7","1","5","1") = "6"
    & skf21("7","4","4","4","7","1","6","1") = "6"
    & skf21("7","4","4","4","7","1","7","1") = "6"
    & skf21("7","4","4","4","7","2","1","1") = "6"
    & skf21("7","4","4","4","7","2","2","1") = "6"
    & skf21("7","4","4","4","7","2","3","1") = "6"
    & skf21("7","4","4","4","7","2","4","1") = "6"
    & skf21("7","4","4","4","7","2","5","1") = "6"
    & skf21("7","4","4","4","7","2","6","1") = "6"
    & skf21("7","4","4","4","7","2","7","1") = "6"
    & skf21("7","4","4","4","7","3","1","1") = "6"
    & skf21("7","4","4","4","7","3","2","1") = "6"
    & skf21("7","4","4","4","7","3","3","1") = "6"
    & skf21("7","4","4","4","7","3","4","1") = "6"
    & skf21("7","4","4","4","7","3","5","1") = "6"
    & skf21("7","4","4","4","7","3","6","1") = "6"
    & skf21("7","4","4","4","7","3","7","1") = "6"
    & skf21("7","4","4","4","7","4","1","1") = "6"
    & skf21("7","4","4","4","7","4","2","1") = "6"
    & skf21("7","4","4","4","7","4","3","1") = "6"
    & skf21("7","4","4","4","7","4","4","1") = "6"
    & skf21("7","4","4","4","7","4","5","1") = "6"
    & skf21("7","4","4","4","7","4","6","1") = "6"
    & skf21("7","4","4","4","7","4","7","1") = "6"
    & skf21("7","4","4","4","7","5","1","1") = "6"
    & skf21("7","4","4","4","7","5","2","1") = "6"
    & skf21("7","4","4","4","7","5","3","1") = "6"
    & skf21("7","4","4","4","7","5","4","1") = "6"
    & skf21("7","4","4","4","7","5","5","1") = "6"
    & skf21("7","4","4","4","7","5","6","1") = "6"
    & skf21("7","4","4","4","7","5","7","1") = "6"
    & skf21("7","4","4","4","7","6","1","1") = "6"
    & skf21("7","4","4","4","7","6","2","1") = "6"
    & skf21("7","4","4","4","7","6","3","1") = "6"
    & skf21("7","4","4","4","7","6","4","1") = "6"
    & skf21("7","4","4","4","7","6","5","1") = "6"
    & skf21("7","4","4","4","7","6","6","1") = "6"
    & skf21("7","4","4","4","7","6","7","1") = "6"
    & skf21("7","4","4","4","7","7","1","1") = "6"
    & skf21("7","4","4","4","7","7","2","1") = "6"
    & skf21("7","4","4","4","7","7","3","1") = "6"
    & skf21("7","4","4","4","7","7","4","1") = "6"
    & skf21("7","4","4","4","7","7","5","1") = "6"
    & skf21("7","4","4","4","7","7","6","1") = "6"
    & skf21("7","4","4","4","7","7","7","1") = "6"
    & skf21("7","4","4","5","1","1","1","1") = "6"
    & skf21("7","4","4","5","1","1","2","1") = "6"
    & skf21("7","4","4","5","1","1","3","1") = "6"
    & skf21("7","4","4","5","1","1","4","1") = "6"
    & skf21("7","4","4","5","1","1","5","1") = "6"
    & skf21("7","4","4","5","1","1","6","1") = "6"
    & skf21("7","4","4","5","1","1","7","1") = "6"
    & skf21("7","4","4","5","1","2","1","1") = "6"
    & skf21("7","4","4","5","1","2","2","1") = "6"
    & skf21("7","4","4","5","1","2","3","1") = "6"
    & skf21("7","4","4","5","1","2","4","1") = "6"
    & skf21("7","4","4","5","1","2","5","1") = "6"
    & skf21("7","4","4","5","1","2","6","1") = "6"
    & skf21("7","4","4","5","1","2","7","1") = "6"
    & skf21("7","4","4","5","1","3","1","1") = "6"
    & skf21("7","4","4","5","1","3","2","1") = "6"
    & skf21("7","4","4","5","1","3","3","1") = "6"
    & skf21("7","4","4","5","1","3","4","1") = "6"
    & skf21("7","4","4","5","1","3","5","1") = "6"
    & skf21("7","4","4","5","1","3","6","1") = "6"
    & skf21("7","4","4","5","1","3","7","1") = "6"
    & skf21("7","4","4","5","1","4","1","1") = "6"
    & skf21("7","4","4","5","1","4","2","1") = "6"
    & skf21("7","4","4","5","1","4","3","1") = "6"
    & skf21("7","4","4","5","1","4","4","1") = "6"
    & skf21("7","4","4","5","1","4","5","1") = "6"
    & skf21("7","4","4","5","1","4","6","1") = "6"
    & skf21("7","4","4","5","1","4","7","1") = "6"
    & skf21("7","4","4","5","1","5","1","1") = "6"
    & skf21("7","4","4","5","1","5","2","1") = "6"
    & skf21("7","4","4","5","1","5","3","1") = "6"
    & skf21("7","4","4","5","1","5","4","1") = "6"
    & skf21("7","4","4","5","1","5","5","1") = "6"
    & skf21("7","4","4","5","1","5","6","1") = "6"
    & skf21("7","4","4","5","1","5","7","1") = "6"
    & skf21("7","4","4","5","1","6","1","1") = "6"
    & skf21("7","4","4","5","1","6","2","1") = "6"
    & skf21("7","4","4","5","1","6","3","1") = "6"
    & skf21("7","4","4","5","1","6","4","1") = "6"
    & skf21("7","4","4","5","1","6","5","1") = "6"
    & skf21("7","4","4","5","1","6","6","1") = "6"
    & skf21("7","4","4","5","1","6","7","1") = "6"
    & skf21("7","4","4","5","1","7","1","1") = "6"
    & skf21("7","4","4","5","1","7","2","1") = "6"
    & skf21("7","4","4","5","1","7","3","1") = "6"
    & skf21("7","4","4","5","1","7","4","1") = "6"
    & skf21("7","4","4","5","1","7","5","1") = "6"
    & skf21("7","4","4","5","1","7","6","1") = "6"
    & skf21("7","4","4","5","1","7","7","1") = "6"
    & skf21("7","4","4","5","2","1","1","1") = "6"
    & skf21("7","4","4","5","2","1","2","1") = "6"
    & skf21("7","4","4","5","2","1","3","1") = "6"
    & skf21("7","4","4","5","2","1","4","1") = "6"
    & skf21("7","4","4","5","2","1","5","1") = "6"
    & skf21("7","4","4","5","2","1","6","1") = "6"
    & skf21("7","4","4","5","2","1","7","1") = "6"
    & skf21("7","4","4","5","2","2","1","1") = "6"
    & skf21("7","4","4","5","2","2","2","1") = "6"
    & skf21("7","4","4","5","2","2","3","1") = "6"
    & skf21("7","4","4","5","2","2","4","1") = "6"
    & skf21("7","4","4","5","2","2","5","1") = "6"
    & skf21("7","4","4","5","2","2","6","1") = "6"
    & skf21("7","4","4","5","2","2","7","1") = "6"
    & skf21("7","4","4","5","2","3","1","1") = "6"
    & skf21("7","4","4","5","2","3","2","1") = "6"
    & skf21("7","4","4","5","2","3","3","1") = "6"
    & skf21("7","4","4","5","2","3","4","1") = "6"
    & skf21("7","4","4","5","2","3","5","1") = "6"
    & skf21("7","4","4","5","2","3","6","1") = "6"
    & skf21("7","4","4","5","2","3","7","1") = "6"
    & skf21("7","4","4","5","2","4","1","1") = "6"
    & skf21("7","4","4","5","2","4","2","1") = "6"
    & skf21("7","4","4","5","2","4","3","1") = "6"
    & skf21("7","4","4","5","2","4","4","1") = "6"
    & skf21("7","4","4","5","2","4","5","1") = "6"
    & skf21("7","4","4","5","2","4","6","1") = "6"
    & skf21("7","4","4","5","2","4","7","1") = "6"
    & skf21("7","4","4","5","2","5","1","1") = "6"
    & skf21("7","4","4","5","2","5","2","1") = "6"
    & skf21("7","4","4","5","2","5","3","1") = "6"
    & skf21("7","4","4","5","2","5","4","1") = "6"
    & skf21("7","4","4","5","2","5","5","1") = "6"
    & skf21("7","4","4","5","2","5","6","1") = "6"
    & skf21("7","4","4","5","2","5","7","1") = "6"
    & skf21("7","4","4","5","2","6","1","1") = "6"
    & skf21("7","4","4","5","2","6","2","1") = "6"
    & skf21("7","4","4","5","2","6","3","1") = "6"
    & skf21("7","4","4","5","2","6","4","1") = "6"
    & skf21("7","4","4","5","2","6","5","1") = "6"
    & skf21("7","4","4","5","2","6","6","1") = "6"
    & skf21("7","4","4","5","2","6","7","1") = "6"
    & skf21("7","4","4","5","2","7","1","1") = "6"
    & skf21("7","4","4","5","2","7","2","1") = "6"
    & skf21("7","4","4","5","2","7","3","1") = "6"
    & skf21("7","4","4","5","2","7","4","1") = "6"
    & skf21("7","4","4","5","2","7","5","1") = "6"
    & skf21("7","4","4","5","2","7","6","1") = "6"
    & skf21("7","4","4","5","2","7","7","1") = "6"
    & skf21("7","4","4","5","3","1","1","1") = "6"
    & skf21("7","4","4","5","3","1","2","1") = "6"
    & skf21("7","4","4","5","3","1","3","1") = "6"
    & skf21("7","4","4","5","3","1","4","1") = "6"
    & skf21("7","4","4","5","3","1","5","1") = "6"
    & skf21("7","4","4","5","3","1","6","1") = "6"
    & skf21("7","4","4","5","3","1","7","1") = "6"
    & skf21("7","4","4","5","3","2","1","1") = "6"
    & skf21("7","4","4","5","3","2","2","1") = "6"
    & skf21("7","4","4","5","3","2","3","1") = "6"
    & skf21("7","4","4","5","3","2","4","1") = "6"
    & skf21("7","4","4","5","3","2","5","1") = "6"
    & skf21("7","4","4","5","3","2","6","1") = "6"
    & skf21("7","4","4","5","3","2","7","1") = "6"
    & skf21("7","4","4","5","3","3","1","1") = "6"
    & skf21("7","4","4","5","3","3","2","1") = "6"
    & skf21("7","4","4","5","3","3","3","1") = "6"
    & skf21("7","4","4","5","3","3","4","1") = "6"
    & skf21("7","4","4","5","3","3","5","1") = "6"
    & skf21("7","4","4","5","3","3","6","1") = "6"
    & skf21("7","4","4","5","3","3","7","1") = "6"
    & skf21("7","4","4","5","3","4","1","1") = "6"
    & skf21("7","4","4","5","3","4","2","1") = "6"
    & skf21("7","4","4","5","3","4","3","1") = "6"
    & skf21("7","4","4","5","3","4","4","1") = "6"
    & skf21("7","4","4","5","3","4","5","1") = "6"
    & skf21("7","4","4","5","3","4","6","1") = "6"
    & skf21("7","4","4","5","3","4","7","1") = "6"
    & skf21("7","4","4","5","3","5","1","1") = "6"
    & skf21("7","4","4","5","3","5","2","1") = "6"
    & skf21("7","4","4","5","3","5","3","1") = "6"
    & skf21("7","4","4","5","3","5","4","1") = "6"
    & skf21("7","4","4","5","3","5","5","1") = "6"
    & skf21("7","4","4","5","3","5","6","1") = "6"
    & skf21("7","4","4","5","3","5","7","1") = "6"
    & skf21("7","4","4","5","3","6","1","1") = "6"
    & skf21("7","4","4","5","3","6","2","1") = "6"
    & skf21("7","4","4","5","3","6","3","1") = "6"
    & skf21("7","4","4","5","3","6","4","1") = "6"
    & skf21("7","4","4","5","3","6","5","1") = "6"
    & skf21("7","4","4","5","3","6","6","1") = "6"
    & skf21("7","4","4","5","3","6","7","1") = "6"
    & skf21("7","4","4","5","3","7","1","1") = "6"
    & skf21("7","4","4","5","3","7","2","1") = "6"
    & skf21("7","4","4","5","3","7","3","1") = "6"
    & skf21("7","4","4","5","3","7","4","1") = "6"
    & skf21("7","4","4","5","3","7","5","1") = "6"
    & skf21("7","4","4","5","3","7","6","1") = "6"
    & skf21("7","4","4","5","3","7","7","1") = "6"
    & skf21("7","4","4","5","4","1","1","1") = "6"
    & skf21("7","4","4","5","4","1","2","1") = "6"
    & skf21("7","4","4","5","4","1","3","1") = "6"
    & skf21("7","4","4","5","4","1","4","1") = "6"
    & skf21("7","4","4","5","4","1","5","1") = "6"
    & skf21("7","4","4","5","4","1","6","1") = "6"
    & skf21("7","4","4","5","4","1","7","1") = "6"
    & skf21("7","4","4","5","4","2","1","1") = "6"
    & skf21("7","4","4","5","4","2","2","1") = "6"
    & skf21("7","4","4","5","4","2","3","1") = "6"
    & skf21("7","4","4","5","4","2","4","1") = "6"
    & skf21("7","4","4","5","4","2","5","1") = "6"
    & skf21("7","4","4","5","4","2","6","1") = "6"
    & skf21("7","4","4","5","4","2","7","1") = "6"
    & skf21("7","4","4","5","4","3","1","1") = "6"
    & skf21("7","4","4","5","4","3","2","1") = "6"
    & skf21("7","4","4","5","4","3","3","1") = "6"
    & skf21("7","4","4","5","4","3","4","1") = "6"
    & skf21("7","4","4","5","4","3","5","1") = "6"
    & skf21("7","4","4","5","4","3","6","1") = "6"
    & skf21("7","4","4","5","4","3","7","1") = "6"
    & skf21("7","4","4","5","4","4","1","1") = "6"
    & skf21("7","4","4","5","4","4","2","1") = "6"
    & skf21("7","4","4","5","4","4","3","1") = "6"
    & skf21("7","4","4","5","4","4","4","1") = "6"
    & skf21("7","4","4","5","4","4","5","1") = "6"
    & skf21("7","4","4","5","4","4","6","1") = "6"
    & skf21("7","4","4","5","4","4","7","1") = "6"
    & skf21("7","4","4","5","4","5","1","1") = "6"
    & skf21("7","4","4","5","4","5","2","1") = "6"
    & skf21("7","4","4","5","4","5","3","1") = "6"
    & skf21("7","4","4","5","4","5","4","1") = "6"
    & skf21("7","4","4","5","4","5","5","1") = "6"
    & skf21("7","4","4","5","4","5","6","1") = "6"
    & skf21("7","4","4","5","4","5","7","1") = "6"
    & skf21("7","4","4","5","4","6","1","1") = "6"
    & skf21("7","4","4","5","4","6","2","1") = "6"
    & skf21("7","4","4","5","4","6","3","1") = "6"
    & skf21("7","4","4","5","4","6","4","1") = "6"
    & skf21("7","4","4","5","4","6","5","1") = "6"
    & skf21("7","4","4","5","4","6","6","1") = "6"
    & skf21("7","4","4","5","4","6","7","1") = "6"
    & skf21("7","4","4","5","4","7","1","1") = "6"
    & skf21("7","4","4","5","4","7","2","1") = "6"
    & skf21("7","4","4","5","4","7","3","1") = "6"
    & skf21("7","4","4","5","4","7","4","1") = "6"
    & skf21("7","4","4","5","4","7","5","1") = "6"
    & skf21("7","4","4","5","4","7","6","1") = "6"
    & skf21("7","4","4","5","4","7","7","1") = "6"
    & skf21("7","4","4","5","5","1","1","1") = "6"
    & skf21("7","4","4","5","5","1","2","1") = "6"
    & skf21("7","4","4","5","5","1","3","1") = "6"
    & skf21("7","4","4","5","5","1","4","1") = "6"
    & skf21("7","4","4","5","5","1","5","1") = "6"
    & skf21("7","4","4","5","5","1","6","1") = "6"
    & skf21("7","4","4","5","5","1","7","1") = "6"
    & skf21("7","4","4","5","5","2","1","1") = "6"
    & skf21("7","4","4","5","5","2","2","1") = "6"
    & skf21("7","4","4","5","5","2","3","1") = "6"
    & skf21("7","4","4","5","5","2","4","1") = "6"
    & skf21("7","4","4","5","5","2","5","1") = "6"
    & skf21("7","4","4","5","5","2","6","1") = "6"
    & skf21("7","4","4","5","5","2","7","1") = "6"
    & skf21("7","4","4","5","5","3","1","1") = "6"
    & skf21("7","4","4","5","5","3","2","1") = "6"
    & skf21("7","4","4","5","5","3","3","1") = "6"
    & skf21("7","4","4","5","5","3","4","1") = "6"
    & skf21("7","4","4","5","5","3","5","1") = "6"
    & skf21("7","4","4","5","5","3","6","1") = "6"
    & skf21("7","4","4","5","5","3","7","1") = "6"
    & skf21("7","4","4","5","5","4","1","1") = "6"
    & skf21("7","4","4","5","5","4","2","1") = "6"
    & skf21("7","4","4","5","5","4","3","1") = "6"
    & skf21("7","4","4","5","5","4","4","1") = "6"
    & skf21("7","4","4","5","5","4","5","1") = "6"
    & skf21("7","4","4","5","5","4","6","1") = "6"
    & skf21("7","4","4","5","5","4","7","1") = "6"
    & skf21("7","4","4","5","5","5","1","1") = "6"
    & skf21("7","4","4","5","5","5","2","1") = "6"
    & skf21("7","4","4","5","5","5","3","1") = "6"
    & skf21("7","4","4","5","5","5","4","1") = "6"
    & skf21("7","4","4","5","5","5","5","1") = "6"
    & skf21("7","4","4","5","5","5","6","1") = "6"
    & skf21("7","4","4","5","5","5","7","1") = "6"
    & skf21("7","4","4","5","5","6","1","1") = "6"
    & skf21("7","4","4","5","5","6","2","1") = "6"
    & skf21("7","4","4","5","5","6","3","1") = "6"
    & skf21("7","4","4","5","5","6","4","1") = "6"
    & skf21("7","4","4","5","5","6","5","1") = "6"
    & skf21("7","4","4","5","5","6","6","1") = "6"
    & skf21("7","4","4","5","5","6","7","1") = "6"
    & skf21("7","4","4","5","5","7","1","1") = "6"
    & skf21("7","4","4","5","5","7","2","1") = "6"
    & skf21("7","4","4","5","5","7","3","1") = "6"
    & skf21("7","4","4","5","5","7","4","1") = "6"
    & skf21("7","4","4","5","5","7","5","1") = "6"
    & skf21("7","4","4","5","5","7","6","1") = "6"
    & skf21("7","4","4","5","5","7","7","1") = "6"
    & skf21("7","4","4","5","6","1","1","1") = "6"
    & skf21("7","4","4","5","6","1","2","1") = "6"
    & skf21("7","4","4","5","6","1","3","1") = "6"
    & skf21("7","4","4","5","6","1","4","1") = "6"
    & skf21("7","4","4","5","6","1","5","1") = "6"
    & skf21("7","4","4","5","6","1","6","1") = "6"
    & skf21("7","4","4","5","6","1","7","1") = "6"
    & skf21("7","4","4","5","6","2","1","1") = "6"
    & skf21("7","4","4","5","6","2","2","1") = "6"
    & skf21("7","4","4","5","6","2","3","1") = "6"
    & skf21("7","4","4","5","6","2","4","1") = "6"
    & skf21("7","4","4","5","6","2","5","1") = "6"
    & skf21("7","4","4","5","6","2","6","1") = "6"
    & skf21("7","4","4","5","6","2","7","1") = "6"
    & skf21("7","4","4","5","6","3","1","1") = "6"
    & skf21("7","4","4","5","6","3","2","1") = "6"
    & skf21("7","4","4","5","6","3","3","1") = "6"
    & skf21("7","4","4","5","6","3","4","1") = "6"
    & skf21("7","4","4","5","6","3","5","1") = "6"
    & skf21("7","4","4","5","6","3","6","1") = "6"
    & skf21("7","4","4","5","6","3","7","1") = "6"
    & skf21("7","4","4","5","6","4","1","1") = "6"
    & skf21("7","4","4","5","6","4","2","1") = "6"
    & skf21("7","4","4","5","6","4","3","1") = "6"
    & skf21("7","4","4","5","6","4","4","1") = "6"
    & skf21("7","4","4","5","6","4","5","1") = "6"
    & skf21("7","4","4","5","6","4","6","1") = "6"
    & skf21("7","4","4","5","6","4","7","1") = "6"
    & skf21("7","4","4","5","6","5","1","1") = "6"
    & skf21("7","4","4","5","6","5","2","1") = "6"
    & skf21("7","4","4","5","6","5","3","1") = "6"
    & skf21("7","4","4","5","6","5","4","1") = "6"
    & skf21("7","4","4","5","6","5","5","1") = "6"
    & skf21("7","4","4","5","6","5","6","1") = "6"
    & skf21("7","4","4","5","6","5","7","1") = "6"
    & skf21("7","4","4","5","6","6","1","1") = "6"
    & skf21("7","4","4","5","6","6","2","1") = "6"
    & skf21("7","4","4","5","6","6","3","1") = "6"
    & skf21("7","4","4","5","6","6","4","1") = "6"
    & skf21("7","4","4","5","6","6","5","1") = "6"
    & skf21("7","4","4","5","6","6","6","1") = "6"
    & skf21("7","4","4","5","6","6","7","1") = "6"
    & skf21("7","4","4","5","6","7","1","1") = "6"
    & skf21("7","4","4","5","6","7","2","1") = "6"
    & skf21("7","4","4","5","6","7","3","1") = "6"
    & skf21("7","4","4","5","6","7","4","1") = "6"
    & skf21("7","4","4","5","6","7","5","1") = "6"
    & skf21("7","4","4","5","6","7","6","1") = "6"
    & skf21("7","4","4","5","6","7","7","1") = "6"
    & skf21("7","4","4","5","7","1","1","1") = "6"
    & skf21("7","4","4","5","7","1","2","1") = "6"
    & skf21("7","4","4","5","7","1","3","1") = "6"
    & skf21("7","4","4","5","7","1","4","1") = "6"
    & skf21("7","4","4","5","7","1","5","1") = "6"
    & skf21("7","4","4","5","7","1","6","1") = "6"
    & skf21("7","4","4","5","7","1","7","1") = "6"
    & skf21("7","4","4","5","7","2","1","1") = "6"
    & skf21("7","4","4","5","7","2","2","1") = "6"
    & skf21("7","4","4","5","7","2","3","1") = "6"
    & skf21("7","4","4","5","7","2","4","1") = "6"
    & skf21("7","4","4","5","7","2","5","1") = "6"
    & skf21("7","4","4","5","7","2","6","1") = "6"
    & skf21("7","4","4","5","7","2","7","1") = "6"
    & skf21("7","4","4","5","7","3","1","1") = "6"
    & skf21("7","4","4","5","7","3","2","1") = "6"
    & skf21("7","4","4","5","7","3","3","1") = "6"
    & skf21("7","4","4","5","7","3","4","1") = "6"
    & skf21("7","4","4","5","7","3","5","1") = "6"
    & skf21("7","4","4","5","7","3","6","1") = "6"
    & skf21("7","4","4","5","7","3","7","1") = "6"
    & skf21("7","4","4","5","7","4","1","1") = "6"
    & skf21("7","4","4","5","7","4","2","1") = "6"
    & skf21("7","4","4","5","7","4","3","1") = "6"
    & skf21("7","4","4","5","7","4","4","1") = "6"
    & skf21("7","4","4","5","7","4","5","1") = "6"
    & skf21("7","4","4","5","7","4","6","1") = "6"
    & skf21("7","4","4","5","7","4","7","1") = "6"
    & skf21("7","4","4","5","7","5","1","1") = "6"
    & skf21("7","4","4","5","7","5","2","1") = "6"
    & skf21("7","4","4","5","7","5","3","1") = "6"
    & skf21("7","4","4","5","7","5","4","1") = "6"
    & skf21("7","4","4","5","7","5","5","1") = "6"
    & skf21("7","4","4","5","7","5","6","1") = "6"
    & skf21("7","4","4","5","7","5","7","1") = "6"
    & skf21("7","4","4","5","7","6","1","1") = "6"
    & skf21("7","4","4","5","7","6","2","1") = "6"
    & skf21("7","4","4","5","7","6","3","1") = "6"
    & skf21("7","4","4","5","7","6","4","1") = "6"
    & skf21("7","4","4","5","7","6","5","1") = "6"
    & skf21("7","4","4","5","7","6","6","1") = "6"
    & skf21("7","4","4","5","7","6","7","1") = "6"
    & skf21("7","4","4","5","7","7","1","1") = "6"
    & skf21("7","4","4","5","7","7","2","1") = "6"
    & skf21("7","4","4","5","7","7","3","1") = "6"
    & skf21("7","4","4","5","7","7","4","1") = "6"
    & skf21("7","4","4","5","7","7","5","1") = "6"
    & skf21("7","4","4","5","7","7","6","1") = "6"
    & skf21("7","4","4","5","7","7","7","1") = "6"
    & skf21("7","4","4","6","1","1","1","1") = "6"
    & skf21("7","4","4","6","1","1","2","1") = "6"
    & skf21("7","4","4","6","1","1","3","1") = "6"
    & skf21("7","4","4","6","1","1","4","1") = "6"
    & skf21("7","4","4","6","1","1","5","1") = "6"
    & skf21("7","4","4","6","1","1","6","1") = "6"
    & skf21("7","4","4","6","1","1","7","1") = "6"
    & skf21("7","4","4","6","1","2","1","1") = "6"
    & skf21("7","4","4","6","1","2","2","1") = "6"
    & skf21("7","4","4","6","1","2","3","1") = "6"
    & skf21("7","4","4","6","1","2","4","1") = "6"
    & skf21("7","4","4","6","1","2","5","1") = "6"
    & skf21("7","4","4","6","1","2","6","1") = "6"
    & skf21("7","4","4","6","1","2","7","1") = "6"
    & skf21("7","4","4","6","1","3","1","1") = "6"
    & skf21("7","4","4","6","1","3","2","1") = "6"
    & skf21("7","4","4","6","1","3","3","1") = "6"
    & skf21("7","4","4","6","1","3","4","1") = "6"
    & skf21("7","4","4","6","1","3","5","1") = "6"
    & skf21("7","4","4","6","1","3","6","1") = "6"
    & skf21("7","4","4","6","1","3","7","1") = "6"
    & skf21("7","4","4","6","1","4","1","1") = "6"
    & skf21("7","4","4","6","1","4","2","1") = "6"
    & skf21("7","4","4","6","1","4","3","1") = "6"
    & skf21("7","4","4","6","1","4","4","1") = "6"
    & skf21("7","4","4","6","1","4","5","1") = "6"
    & skf21("7","4","4","6","1","4","6","1") = "6"
    & skf21("7","4","4","6","1","4","7","1") = "6"
    & skf21("7","4","4","6","1","5","1","1") = "6"
    & skf21("7","4","4","6","1","5","2","1") = "6"
    & skf21("7","4","4","6","1","5","3","1") = "6"
    & skf21("7","4","4","6","1","5","4","1") = "6"
    & skf21("7","4","4","6","1","5","5","1") = "6"
    & skf21("7","4","4","6","1","5","6","1") = "6"
    & skf21("7","4","4","6","1","5","7","1") = "6"
    & skf21("7","4","4","6","1","6","1","1") = "6"
    & skf21("7","4","4","6","1","6","2","1") = "6"
    & skf21("7","4","4","6","1","6","3","1") = "6"
    & skf21("7","4","4","6","1","6","4","1") = "6"
    & skf21("7","4","4","6","1","6","5","1") = "6"
    & skf21("7","4","4","6","1","6","6","1") = "6"
    & skf21("7","4","4","6","1","6","7","1") = "6"
    & skf21("7","4","4","6","1","7","1","1") = "6"
    & skf21("7","4","4","6","1","7","2","1") = "6"
    & skf21("7","4","4","6","1","7","3","1") = "6"
    & skf21("7","4","4","6","1","7","4","1") = "6"
    & skf21("7","4","4","6","1","7","5","1") = "6"
    & skf21("7","4","4","6","1","7","6","1") = "6"
    & skf21("7","4","4","6","1","7","7","1") = "6"
    & skf21("7","4","4","6","2","1","1","1") = "6"
    & skf21("7","4","4","6","2","1","2","1") = "6"
    & skf21("7","4","4","6","2","1","3","1") = "6"
    & skf21("7","4","4","6","2","1","4","1") = "6"
    & skf21("7","4","4","6","2","1","5","1") = "6"
    & skf21("7","4","4","6","2","1","6","1") = "6"
    & skf21("7","4","4","6","2","1","7","1") = "6"
    & skf21("7","4","4","6","2","2","1","1") = "6"
    & skf21("7","4","4","6","2","2","2","1") = "6"
    & skf21("7","4","4","6","2","2","3","1") = "6"
    & skf21("7","4","4","6","2","2","4","1") = "6"
    & skf21("7","4","4","6","2","2","5","1") = "6"
    & skf21("7","4","4","6","2","2","6","1") = "6"
    & skf21("7","4","4","6","2","2","7","1") = "6"
    & skf21("7","4","4","6","2","3","1","1") = "6"
    & skf21("7","4","4","6","2","3","2","1") = "6"
    & skf21("7","4","4","6","2","3","3","1") = "6"
    & skf21("7","4","4","6","2","3","4","1") = "6"
    & skf21("7","4","4","6","2","3","5","1") = "6"
    & skf21("7","4","4","6","2","3","6","1") = "6"
    & skf21("7","4","4","6","2","3","7","1") = "6"
    & skf21("7","4","4","6","2","4","1","1") = "6"
    & skf21("7","4","4","6","2","4","2","1") = "6"
    & skf21("7","4","4","6","2","4","3","1") = "6"
    & skf21("7","4","4","6","2","4","4","1") = "6"
    & skf21("7","4","4","6","2","4","5","1") = "6"
    & skf21("7","4","4","6","2","4","6","1") = "6"
    & skf21("7","4","4","6","2","4","7","1") = "6"
    & skf21("7","4","4","6","2","5","1","1") = "6"
    & skf21("7","4","4","6","2","5","2","1") = "6"
    & skf21("7","4","4","6","2","5","3","1") = "6"
    & skf21("7","4","4","6","2","5","4","1") = "6"
    & skf21("7","4","4","6","2","5","5","1") = "6"
    & skf21("7","4","4","6","2","5","6","1") = "6"
    & skf21("7","4","4","6","2","5","7","1") = "6"
    & skf21("7","4","4","6","2","6","1","1") = "6"
    & skf21("7","4","4","6","2","6","2","1") = "6"
    & skf21("7","4","4","6","2","6","3","1") = "6"
    & skf21("7","4","4","6","2","6","4","1") = "6"
    & skf21("7","4","4","6","2","6","5","1") = "6"
    & skf21("7","4","4","6","2","6","6","1") = "6"
    & skf21("7","4","4","6","2","6","7","1") = "6"
    & skf21("7","4","4","6","2","7","1","1") = "6"
    & skf21("7","4","4","6","2","7","2","1") = "6"
    & skf21("7","4","4","6","2","7","3","1") = "6"
    & skf21("7","4","4","6","2","7","4","1") = "6"
    & skf21("7","4","4","6","2","7","5","1") = "6"
    & skf21("7","4","4","6","2","7","6","1") = "6"
    & skf21("7","4","4","6","2","7","7","1") = "6"
    & skf21("7","4","4","6","3","1","1","1") = "6"
    & skf21("7","4","4","6","3","1","2","1") = "6"
    & skf21("7","4","4","6","3","1","3","1") = "6"
    & skf21("7","4","4","6","3","1","4","1") = "6"
    & skf21("7","4","4","6","3","1","5","1") = "6"
    & skf21("7","4","4","6","3","1","6","1") = "6"
    & skf21("7","4","4","6","3","1","7","1") = "6"
    & skf21("7","4","4","6","3","2","1","1") = "6"
    & skf21("7","4","4","6","3","2","2","1") = "6"
    & skf21("7","4","4","6","3","2","3","1") = "6"
    & skf21("7","4","4","6","3","2","4","1") = "6"
    & skf21("7","4","4","6","3","2","5","1") = "6"
    & skf21("7","4","4","6","3","2","6","1") = "6"
    & skf21("7","4","4","6","3","2","7","1") = "6"
    & skf21("7","4","4","6","3","3","1","1") = "6"
    & skf21("7","4","4","6","3","3","2","1") = "6"
    & skf21("7","4","4","6","3","3","3","1") = "6"
    & skf21("7","4","4","6","3","3","4","1") = "6"
    & skf21("7","4","4","6","3","3","5","1") = "6"
    & skf21("7","4","4","6","3","3","6","1") = "6"
    & skf21("7","4","4","6","3","3","7","1") = "6"
    & skf21("7","4","4","6","3","4","1","1") = "6"
    & skf21("7","4","4","6","3","4","2","1") = "6"
    & skf21("7","4","4","6","3","4","3","1") = "6"
    & skf21("7","4","4","6","3","4","4","1") = "6"
    & skf21("7","4","4","6","3","4","5","1") = "6"
    & skf21("7","4","4","6","3","4","6","1") = "6"
    & skf21("7","4","4","6","3","4","7","1") = "6"
    & skf21("7","4","4","6","3","5","1","1") = "6"
    & skf21("7","4","4","6","3","5","2","1") = "6"
    & skf21("7","4","4","6","3","5","3","1") = "6"
    & skf21("7","4","4","6","3","5","4","1") = "6"
    & skf21("7","4","4","6","3","5","5","1") = "6"
    & skf21("7","4","4","6","3","5","6","1") = "6"
    & skf21("7","4","4","6","3","5","7","1") = "6"
    & skf21("7","4","4","6","3","6","1","1") = "6"
    & skf21("7","4","4","6","3","6","2","1") = "6"
    & skf21("7","4","4","6","3","6","3","1") = "6"
    & skf21("7","4","4","6","3","6","4","1") = "6"
    & skf21("7","4","4","6","3","6","5","1") = "6"
    & skf21("7","4","4","6","3","6","6","1") = "6"
    & skf21("7","4","4","6","3","6","7","1") = "6"
    & skf21("7","4","4","6","3","7","1","1") = "6"
    & skf21("7","4","4","6","3","7","2","1") = "6"
    & skf21("7","4","4","6","3","7","3","1") = "6"
    & skf21("7","4","4","6","3","7","4","1") = "6"
    & skf21("7","4","4","6","3","7","5","1") = "6"
    & skf21("7","4","4","6","3","7","6","1") = "6"
    & skf21("7","4","4","6","3","7","7","1") = "6"
    & skf21("7","4","4","6","4","1","1","1") = "6"
    & skf21("7","4","4","6","4","1","2","1") = "6"
    & skf21("7","4","4","6","4","1","3","1") = "6"
    & skf21("7","4","4","6","4","1","4","1") = "6"
    & skf21("7","4","4","6","4","1","5","1") = "6"
    & skf21("7","4","4","6","4","1","6","1") = "6"
    & skf21("7","4","4","6","4","1","7","1") = "6"
    & skf21("7","4","4","6","4","2","1","1") = "6"
    & skf21("7","4","4","6","4","2","2","1") = "6"
    & skf21("7","4","4","6","4","2","3","1") = "6"
    & skf21("7","4","4","6","4","2","4","1") = "6"
    & skf21("7","4","4","6","4","2","5","1") = "6"
    & skf21("7","4","4","6","4","2","6","1") = "6"
    & skf21("7","4","4","6","4","2","7","1") = "6"
    & skf21("7","4","4","6","4","3","1","1") = "6"
    & skf21("7","4","4","6","4","3","2","1") = "6"
    & skf21("7","4","4","6","4","3","3","1") = "6"
    & skf21("7","4","4","6","4","3","4","1") = "6"
    & skf21("7","4","4","6","4","3","5","1") = "6"
    & skf21("7","4","4","6","4","3","6","1") = "6"
    & skf21("7","4","4","6","4","3","7","1") = "6"
    & skf21("7","4","4","6","4","4","1","1") = "6"
    & skf21("7","4","4","6","4","4","2","1") = "6"
    & skf21("7","4","4","6","4","4","3","1") = "6"
    & skf21("7","4","4","6","4","4","4","1") = "6"
    & skf21("7","4","4","6","4","4","5","1") = "6"
    & skf21("7","4","4","6","4","4","6","1") = "6"
    & skf21("7","4","4","6","4","4","7","1") = "6"
    & skf21("7","4","4","6","4","5","1","1") = "6"
    & skf21("7","4","4","6","4","5","2","1") = "6"
    & skf21("7","4","4","6","4","5","3","1") = "6"
    & skf21("7","4","4","6","4","5","4","1") = "6"
    & skf21("7","4","4","6","4","5","5","1") = "6"
    & skf21("7","4","4","6","4","5","6","1") = "6"
    & skf21("7","4","4","6","4","5","7","1") = "6"
    & skf21("7","4","4","6","4","6","1","1") = "6"
    & skf21("7","4","4","6","4","6","2","1") = "6"
    & skf21("7","4","4","6","4","6","3","1") = "6"
    & skf21("7","4","4","6","4","6","4","1") = "6"
    & skf21("7","4","4","6","4","6","5","1") = "6"
    & skf21("7","4","4","6","4","6","6","1") = "6"
    & skf21("7","4","4","6","4","6","7","1") = "6"
    & skf21("7","4","4","6","4","7","1","1") = "6"
    & skf21("7","4","4","6","4","7","2","1") = "6"
    & skf21("7","4","4","6","4","7","3","1") = "6"
    & skf21("7","4","4","6","4","7","4","1") = "6"
    & skf21("7","4","4","6","4","7","5","1") = "6"
    & skf21("7","4","4","6","4","7","6","1") = "6"
    & skf21("7","4","4","6","4","7","7","1") = "6"
    & skf21("7","4","4","6","5","1","1","1") = "6"
    & skf21("7","4","4","6","5","1","2","1") = "6"
    & skf21("7","4","4","6","5","1","3","1") = "6"
    & skf21("7","4","4","6","5","1","4","1") = "6"
    & skf21("7","4","4","6","5","1","5","1") = "6"
    & skf21("7","4","4","6","5","1","6","1") = "6"
    & skf21("7","4","4","6","5","1","7","1") = "6"
    & skf21("7","4","4","6","5","2","1","1") = "6"
    & skf21("7","4","4","6","5","2","2","1") = "6"
    & skf21("7","4","4","6","5","2","3","1") = "6"
    & skf21("7","4","4","6","5","2","4","1") = "6"
    & skf21("7","4","4","6","5","2","5","1") = "6"
    & skf21("7","4","4","6","5","2","6","1") = "6"
    & skf21("7","4","4","6","5","2","7","1") = "6"
    & skf21("7","4","4","6","5","3","1","1") = "6"
    & skf21("7","4","4","6","5","3","2","1") = "6"
    & skf21("7","4","4","6","5","3","3","1") = "6"
    & skf21("7","4","4","6","5","3","4","1") = "6"
    & skf21("7","4","4","6","5","3","5","1") = "6"
    & skf21("7","4","4","6","5","3","6","1") = "6"
    & skf21("7","4","4","6","5","3","7","1") = "6"
    & skf21("7","4","4","6","5","4","1","1") = "6"
    & skf21("7","4","4","6","5","4","2","1") = "6"
    & skf21("7","4","4","6","5","4","3","1") = "6"
    & skf21("7","4","4","6","5","4","4","1") = "6"
    & skf21("7","4","4","6","5","4","5","1") = "6"
    & skf21("7","4","4","6","5","4","6","1") = "6"
    & skf21("7","4","4","6","5","4","7","1") = "6"
    & skf21("7","4","4","6","5","5","1","1") = "6"
    & skf21("7","4","4","6","5","5","2","1") = "6"
    & skf21("7","4","4","6","5","5","3","1") = "6"
    & skf21("7","4","4","6","5","5","4","1") = "6"
    & skf21("7","4","4","6","5","5","5","1") = "6"
    & skf21("7","4","4","6","5","5","6","1") = "6"
    & skf21("7","4","4","6","5","5","7","1") = "6"
    & skf21("7","4","4","6","5","6","1","1") = "6"
    & skf21("7","4","4","6","5","6","2","1") = "6"
    & skf21("7","4","4","6","5","6","3","1") = "6"
    & skf21("7","4","4","6","5","6","4","1") = "6"
    & skf21("7","4","4","6","5","6","5","1") = "6"
    & skf21("7","4","4","6","5","6","6","1") = "6"
    & skf21("7","4","4","6","5","6","7","1") = "6"
    & skf21("7","4","4","6","5","7","1","1") = "6"
    & skf21("7","4","4","6","5","7","2","1") = "6"
    & skf21("7","4","4","6","5","7","3","1") = "6"
    & skf21("7","4","4","6","5","7","4","1") = "6"
    & skf21("7","4","4","6","5","7","5","1") = "6"
    & skf21("7","4","4","6","5","7","6","1") = "6"
    & skf21("7","4","4","6","5","7","7","1") = "6"
    & skf21("7","4","4","6","6","1","1","1") = "6"
    & skf21("7","4","4","6","6","1","2","1") = "6"
    & skf21("7","4","4","6","6","1","3","1") = "6"
    & skf21("7","4","4","6","6","1","4","1") = "6"
    & skf21("7","4","4","6","6","1","5","1") = "6"
    & skf21("7","4","4","6","6","1","6","1") = "6"
    & skf21("7","4","4","6","6","1","7","1") = "6"
    & skf21("7","4","4","6","6","2","1","1") = "6"
    & skf21("7","4","4","6","6","2","2","1") = "6"
    & skf21("7","4","4","6","6","2","3","1") = "6"
    & skf21("7","4","4","6","6","2","4","1") = "6"
    & skf21("7","4","4","6","6","2","5","1") = "6"
    & skf21("7","4","4","6","6","2","6","1") = "6"
    & skf21("7","4","4","6","6","2","7","1") = "6"
    & skf21("7","4","4","6","6","3","1","1") = "6"
    & skf21("7","4","4","6","6","3","2","1") = "6"
    & skf21("7","4","4","6","6","3","3","1") = "6"
    & skf21("7","4","4","6","6","3","4","1") = "6"
    & skf21("7","4","4","6","6","3","5","1") = "6"
    & skf21("7","4","4","6","6","3","6","1") = "6"
    & skf21("7","4","4","6","6","3","7","1") = "6"
    & skf21("7","4","4","6","6","4","1","1") = "6"
    & skf21("7","4","4","6","6","4","2","1") = "6"
    & skf21("7","4","4","6","6","4","3","1") = "6"
    & skf21("7","4","4","6","6","4","4","1") = "6"
    & skf21("7","4","4","6","6","4","5","1") = "6"
    & skf21("7","4","4","6","6","4","6","1") = "6"
    & skf21("7","4","4","6","6","4","7","1") = "6"
    & skf21("7","4","4","6","6","5","1","1") = "6"
    & skf21("7","4","4","6","6","5","2","1") = "6"
    & skf21("7","4","4","6","6","5","3","1") = "6"
    & skf21("7","4","4","6","6","5","4","1") = "6"
    & skf21("7","4","4","6","6","5","5","1") = "6"
    & skf21("7","4","4","6","6","5","6","1") = "6"
    & skf21("7","4","4","6","6","5","7","1") = "6"
    & skf21("7","4","4","6","6","6","1","1") = "6"
    & skf21("7","4","4","6","6","6","2","1") = "6"
    & skf21("7","4","4","6","6","6","3","1") = "6"
    & skf21("7","4","4","6","6","6","4","1") = "6"
    & skf21("7","4","4","6","6","6","5","1") = "6"
    & skf21("7","4","4","6","6","6","6","1") = "6"
    & skf21("7","4","4","6","6","6","7","1") = "6"
    & skf21("7","4","4","6","6","7","1","1") = "6"
    & skf21("7","4","4","6","6","7","2","1") = "6"
    & skf21("7","4","4","6","6","7","3","1") = "6"
    & skf21("7","4","4","6","6","7","4","1") = "6"
    & skf21("7","4","4","6","6","7","5","1") = "6"
    & skf21("7","4","4","6","6","7","6","1") = "6"
    & skf21("7","4","4","6","6","7","7","1") = "6"
    & skf21("7","4","4","6","7","1","1","1") = "6"
    & skf21("7","4","4","6","7","1","2","1") = "6"
    & skf21("7","4","4","6","7","1","3","1") = "6"
    & skf21("7","4","4","6","7","1","4","1") = "6"
    & skf21("7","4","4","6","7","1","5","1") = "6"
    & skf21("7","4","4","6","7","1","6","1") = "6"
    & skf21("7","4","4","6","7","1","7","1") = "6"
    & skf21("7","4","4","6","7","2","1","1") = "6"
    & skf21("7","4","4","6","7","2","2","1") = "6"
    & skf21("7","4","4","6","7","2","3","1") = "6"
    & skf21("7","4","4","6","7","2","4","1") = "6"
    & skf21("7","4","4","6","7","2","5","1") = "6"
    & skf21("7","4","4","6","7","2","6","1") = "6"
    & skf21("7","4","4","6","7","2","7","1") = "6"
    & skf21("7","4","4","6","7","3","1","1") = "6"
    & skf21("7","4","4","6","7","3","2","1") = "6"
    & skf21("7","4","4","6","7","3","3","1") = "6"
    & skf21("7","4","4","6","7","3","4","1") = "6"
    & skf21("7","4","4","6","7","3","5","1") = "6"
    & skf21("7","4","4","6","7","3","6","1") = "6"
    & skf21("7","4","4","6","7","3","7","1") = "6"
    & skf21("7","4","4","6","7","4","1","1") = "6"
    & skf21("7","4","4","6","7","4","2","1") = "6"
    & skf21("7","4","4","6","7","4","3","1") = "6"
    & skf21("7","4","4","6","7","4","4","1") = "6"
    & skf21("7","4","4","6","7","4","5","1") = "6"
    & skf21("7","4","4","6","7","4","6","1") = "6"
    & skf21("7","4","4","6","7","4","7","1") = "6"
    & skf21("7","4","4","6","7","5","1","1") = "6"
    & skf21("7","4","4","6","7","5","2","1") = "6"
    & skf21("7","4","4","6","7","5","3","1") = "6"
    & skf21("7","4","4","6","7","5","4","1") = "6"
    & skf21("7","4","4","6","7","5","5","1") = "6"
    & skf21("7","4","4","6","7","5","6","1") = "6"
    & skf21("7","4","4","6","7","5","7","1") = "6"
    & skf21("7","4","4","6","7","6","1","1") = "6"
    & skf21("7","4","4","6","7","6","2","1") = "6"
    & skf21("7","4","4","6","7","6","3","1") = "6"
    & skf21("7","4","4","6","7","6","4","1") = "6"
    & skf21("7","4","4","6","7","6","5","1") = "6"
    & skf21("7","4","4","6","7","6","6","1") = "6"
    & skf21("7","4","4","6","7","6","7","1") = "6"
    & skf21("7","4","4","6","7","7","1","1") = "6"
    & skf21("7","4","4","6","7","7","2","1") = "6"
    & skf21("7","4","4","6","7","7","3","1") = "6"
    & skf21("7","4","4","6","7","7","4","1") = "6"
    & skf21("7","4","4","6","7","7","5","1") = "6"
    & skf21("7","4","4","6","7","7","6","1") = "6"
    & skf21("7","4","4","6","7","7","7","1") = "6"
    & skf21("7","4","4","7","1","1","1","1") = "6"
    & skf21("7","4","4","7","1","1","2","1") = "6"
    & skf21("7","4","4","7","1","1","3","1") = "6"
    & skf21("7","4","4","7","1","1","4","1") = "6"
    & skf21("7","4","4","7","1","1","5","1") = "6"
    & skf21("7","4","4","7","1","1","6","1") = "6"
    & skf21("7","4","4","7","1","1","7","1") = "6"
    & skf21("7","4","4","7","1","2","1","1") = "6"
    & skf21("7","4","4","7","1","2","2","1") = "6"
    & skf21("7","4","4","7","1","2","3","1") = "6"
    & skf21("7","4","4","7","1","2","4","1") = "6"
    & skf21("7","4","4","7","1","2","5","1") = "6"
    & skf21("7","4","4","7","1","2","6","1") = "6"
    & skf21("7","4","4","7","1","2","7","1") = "6"
    & skf21("7","4","4","7","1","3","1","1") = "6"
    & skf21("7","4","4","7","1","3","2","1") = "6"
    & skf21("7","4","4","7","1","3","3","1") = "6"
    & skf21("7","4","4","7","1","3","4","1") = "6"
    & skf21("7","4","4","7","1","3","5","1") = "6"
    & skf21("7","4","4","7","1","3","6","1") = "6"
    & skf21("7","4","4","7","1","3","7","1") = "6"
    & skf21("7","4","4","7","1","4","1","1") = "6"
    & skf21("7","4","4","7","1","4","2","1") = "6"
    & skf21("7","4","4","7","1","4","3","1") = "6"
    & skf21("7","4","4","7","1","4","4","1") = "6"
    & skf21("7","4","4","7","1","4","5","1") = "6"
    & skf21("7","4","4","7","1","4","6","1") = "6"
    & skf21("7","4","4","7","1","4","7","1") = "6"
    & skf21("7","4","4","7","1","5","1","1") = "6"
    & skf21("7","4","4","7","1","5","2","1") = "6"
    & skf21("7","4","4","7","1","5","3","1") = "6"
    & skf21("7","4","4","7","1","5","4","1") = "6"
    & skf21("7","4","4","7","1","5","5","1") = "6"
    & skf21("7","4","4","7","1","5","6","1") = "6"
    & skf21("7","4","4","7","1","5","7","1") = "6"
    & skf21("7","4","4","7","1","6","1","1") = "6"
    & skf21("7","4","4","7","1","6","2","1") = "6"
    & skf21("7","4","4","7","1","6","3","1") = "6"
    & skf21("7","4","4","7","1","6","4","1") = "6"
    & skf21("7","4","4","7","1","6","5","1") = "6"
    & skf21("7","4","4","7","1","6","6","1") = "6"
    & skf21("7","4","4","7","1","6","7","1") = "6"
    & skf21("7","4","4","7","1","7","1","1") = "6"
    & skf21("7","4","4","7","1","7","2","1") = "6"
    & skf21("7","4","4","7","1","7","3","1") = "6"
    & skf21("7","4","4","7","1","7","4","1") = "6"
    & skf21("7","4","4","7","1","7","5","1") = "6"
    & skf21("7","4","4","7","1","7","6","1") = "6"
    & skf21("7","4","4","7","1","7","7","1") = "6"
    & skf21("7","4","4","7","2","1","1","1") = "6"
    & skf21("7","4","4","7","2","1","2","1") = "6"
    & skf21("7","4","4","7","2","1","3","1") = "6"
    & skf21("7","4","4","7","2","1","4","1") = "6"
    & skf21("7","4","4","7","2","1","5","1") = "6"
    & skf21("7","4","4","7","2","1","6","1") = "6"
    & skf21("7","4","4","7","2","1","7","1") = "6"
    & skf21("7","4","4","7","2","2","1","1") = "6"
    & skf21("7","4","4","7","2","2","2","1") = "6"
    & skf21("7","4","4","7","2","2","3","1") = "6"
    & skf21("7","4","4","7","2","2","4","1") = "6"
    & skf21("7","4","4","7","2","2","5","1") = "6"
    & skf21("7","4","4","7","2","2","6","1") = "6"
    & skf21("7","4","4","7","2","2","7","1") = "6"
    & skf21("7","4","4","7","2","3","1","1") = "6"
    & skf21("7","4","4","7","2","3","2","1") = "6"
    & skf21("7","4","4","7","2","3","3","1") = "6"
    & skf21("7","4","4","7","2","3","4","1") = "6"
    & skf21("7","4","4","7","2","3","5","1") = "6"
    & skf21("7","4","4","7","2","3","6","1") = "6"
    & skf21("7","4","4","7","2","3","7","1") = "6"
    & skf21("7","4","4","7","2","4","1","1") = "6"
    & skf21("7","4","4","7","2","4","2","1") = "6"
    & skf21("7","4","4","7","2","4","3","1") = "6"
    & skf21("7","4","4","7","2","4","4","1") = "6"
    & skf21("7","4","4","7","2","4","5","1") = "6"
    & skf21("7","4","4","7","2","4","6","1") = "6"
    & skf21("7","4","4","7","2","4","7","1") = "6"
    & skf21("7","4","4","7","2","5","1","1") = "6"
    & skf21("7","4","4","7","2","5","2","1") = "6"
    & skf21("7","4","4","7","2","5","3","1") = "6"
    & skf21("7","4","4","7","2","5","4","1") = "6"
    & skf21("7","4","4","7","2","5","5","1") = "6"
    & skf21("7","4","4","7","2","5","6","1") = "6"
    & skf21("7","4","4","7","2","5","7","1") = "6"
    & skf21("7","4","4","7","2","6","1","1") = "6"
    & skf21("7","4","4","7","2","6","2","1") = "6"
    & skf21("7","4","4","7","2","6","3","1") = "6"
    & skf21("7","4","4","7","2","6","4","1") = "6"
    & skf21("7","4","4","7","2","6","5","1") = "6"
    & skf21("7","4","4","7","2","6","6","1") = "6"
    & skf21("7","4","4","7","2","6","7","1") = "6"
    & skf21("7","4","4","7","2","7","1","1") = "6"
    & skf21("7","4","4","7","2","7","2","1") = "6"
    & skf21("7","4","4","7","2","7","3","1") = "6"
    & skf21("7","4","4","7","2","7","4","1") = "6"
    & skf21("7","4","4","7","2","7","5","1") = "6"
    & skf21("7","4","4","7","2","7","6","1") = "6"
    & skf21("7","4","4","7","2","7","7","1") = "6"
    & skf21("7","4","4","7","3","1","1","1") = "6"
    & skf21("7","4","4","7","3","1","2","1") = "6"
    & skf21("7","4","4","7","3","1","3","1") = "6"
    & skf21("7","4","4","7","3","1","4","1") = "6"
    & skf21("7","4","4","7","3","1","5","1") = "6"
    & skf21("7","4","4","7","3","1","6","1") = "6"
    & skf21("7","4","4","7","3","1","7","1") = "6"
    & skf21("7","4","4","7","3","2","1","1") = "6"
    & skf21("7","4","4","7","3","2","2","1") = "6"
    & skf21("7","4","4","7","3","2","3","1") = "6"
    & skf21("7","4","4","7","3","2","4","1") = "6"
    & skf21("7","4","4","7","3","2","5","1") = "6"
    & skf21("7","4","4","7","3","2","6","1") = "6"
    & skf21("7","4","4","7","3","2","7","1") = "6"
    & skf21("7","4","4","7","3","3","1","1") = "6"
    & skf21("7","4","4","7","3","3","2","1") = "6"
    & skf21("7","4","4","7","3","3","3","1") = "6"
    & skf21("7","4","4","7","3","3","4","1") = "6"
    & skf21("7","4","4","7","3","3","5","1") = "6"
    & skf21("7","4","4","7","3","3","6","1") = "6"
    & skf21("7","4","4","7","3","3","7","1") = "6"
    & skf21("7","4","4","7","3","4","1","1") = "6"
    & skf21("7","4","4","7","3","4","2","1") = "6"
    & skf21("7","4","4","7","3","4","3","1") = "6"
    & skf21("7","4","4","7","3","4","4","1") = "6"
    & skf21("7","4","4","7","3","4","5","1") = "6"
    & skf21("7","4","4","7","3","4","6","1") = "6"
    & skf21("7","4","4","7","3","4","7","1") = "6"
    & skf21("7","4","4","7","3","5","1","1") = "6"
    & skf21("7","4","4","7","3","5","2","1") = "6"
    & skf21("7","4","4","7","3","5","3","1") = "6"
    & skf21("7","4","4","7","3","5","4","1") = "6"
    & skf21("7","4","4","7","3","5","5","1") = "6"
    & skf21("7","4","4","7","3","5","6","1") = "6"
    & skf21("7","4","4","7","3","5","7","1") = "6"
    & skf21("7","4","4","7","3","6","1","1") = "6"
    & skf21("7","4","4","7","3","6","2","1") = "6"
    & skf21("7","4","4","7","3","6","3","1") = "6"
    & skf21("7","4","4","7","3","6","4","1") = "6"
    & skf21("7","4","4","7","3","6","5","1") = "6"
    & skf21("7","4","4","7","3","6","6","1") = "6"
    & skf21("7","4","4","7","3","6","7","1") = "6"
    & skf21("7","4","4","7","3","7","1","1") = "6"
    & skf21("7","4","4","7","3","7","2","1") = "6"
    & skf21("7","4","4","7","3","7","3","1") = "6"
    & skf21("7","4","4","7","3","7","4","1") = "6"
    & skf21("7","4","4","7","3","7","5","1") = "6"
    & skf21("7","4","4","7","3","7","6","1") = "6"
    & skf21("7","4","4","7","3","7","7","1") = "6"
    & skf21("7","4","4","7","4","1","1","1") = "6"
    & skf21("7","4","4","7","4","1","2","1") = "6"
    & skf21("7","4","4","7","4","1","3","1") = "6"
    & skf21("7","4","4","7","4","1","4","1") = "6"
    & skf21("7","4","4","7","4","1","5","1") = "6"
    & skf21("7","4","4","7","4","1","6","1") = "6"
    & skf21("7","4","4","7","4","1","7","1") = "6"
    & skf21("7","4","4","7","4","2","1","1") = "6"
    & skf21("7","4","4","7","4","2","2","1") = "6"
    & skf21("7","4","4","7","4","2","3","1") = "6"
    & skf21("7","4","4","7","4","2","4","1") = "6"
    & skf21("7","4","4","7","4","2","5","1") = "6"
    & skf21("7","4","4","7","4","2","6","1") = "6"
    & skf21("7","4","4","7","4","2","7","1") = "6"
    & skf21("7","4","4","7","4","3","1","1") = "6"
    & skf21("7","4","4","7","4","3","2","1") = "6"
    & skf21("7","4","4","7","4","3","3","1") = "6"
    & skf21("7","4","4","7","4","3","4","1") = "6"
    & skf21("7","4","4","7","4","3","5","1") = "6"
    & skf21("7","4","4","7","4","3","6","1") = "6"
    & skf21("7","4","4","7","4","3","7","1") = "6"
    & skf21("7","4","4","7","4","4","1","1") = "6"
    & skf21("7","4","4","7","4","4","2","1") = "6"
    & skf21("7","4","4","7","4","4","3","1") = "6"
    & skf21("7","4","4","7","4","4","4","1") = "6"
    & skf21("7","4","4","7","4","4","5","1") = "6"
    & skf21("7","4","4","7","4","4","6","1") = "6"
    & skf21("7","4","4","7","4","4","7","1") = "6"
    & skf21("7","4","4","7","4","5","1","1") = "6"
    & skf21("7","4","4","7","4","5","2","1") = "6"
    & skf21("7","4","4","7","4","5","3","1") = "6"
    & skf21("7","4","4","7","4","5","4","1") = "6"
    & skf21("7","4","4","7","4","5","5","1") = "6"
    & skf21("7","4","4","7","4","5","6","1") = "6"
    & skf21("7","4","4","7","4","5","7","1") = "6"
    & skf21("7","4","4","7","4","6","1","1") = "6"
    & skf21("7","4","4","7","4","6","2","1") = "6"
    & skf21("7","4","4","7","4","6","3","1") = "6"
    & skf21("7","4","4","7","4","6","4","1") = "6"
    & skf21("7","4","4","7","4","6","5","1") = "6"
    & skf21("7","4","4","7","4","6","6","1") = "6"
    & skf21("7","4","4","7","4","6","7","1") = "6"
    & skf21("7","4","4","7","4","7","1","1") = "6"
    & skf21("7","4","4","7","4","7","2","1") = "6"
    & skf21("7","4","4","7","4","7","3","1") = "6"
    & skf21("7","4","4","7","4","7","4","1") = "6"
    & skf21("7","4","4","7","4","7","5","1") = "6"
    & skf21("7","4","4","7","4","7","6","1") = "6"
    & skf21("7","4","4","7","4","7","7","1") = "6"
    & skf21("7","4","4","7","5","1","1","1") = "6"
    & skf21("7","4","4","7","5","1","2","1") = "6"
    & skf21("7","4","4","7","5","1","3","1") = "6"
    & skf21("7","4","4","7","5","1","4","1") = "6"
    & skf21("7","4","4","7","5","1","5","1") = "6"
    & skf21("7","4","4","7","5","1","6","1") = "6"
    & skf21("7","4","4","7","5","1","7","1") = "6"
    & skf21("7","4","4","7","5","2","1","1") = "6"
    & skf21("7","4","4","7","5","2","2","1") = "6"
    & skf21("7","4","4","7","5","2","3","1") = "6"
    & skf21("7","4","4","7","5","2","4","1") = "6"
    & skf21("7","4","4","7","5","2","5","1") = "6"
    & skf21("7","4","4","7","5","2","6","1") = "6"
    & skf21("7","4","4","7","5","2","7","1") = "6"
    & skf21("7","4","4","7","5","3","1","1") = "6"
    & skf21("7","4","4","7","5","3","2","1") = "6"
    & skf21("7","4","4","7","5","3","3","1") = "6"
    & skf21("7","4","4","7","5","3","4","1") = "6"
    & skf21("7","4","4","7","5","3","5","1") = "6"
    & skf21("7","4","4","7","5","3","6","1") = "6"
    & skf21("7","4","4","7","5","3","7","1") = "6"
    & skf21("7","4","4","7","5","4","1","1") = "6"
    & skf21("7","4","4","7","5","4","2","1") = "6"
    & skf21("7","4","4","7","5","4","3","1") = "6"
    & skf21("7","4","4","7","5","4","4","1") = "6"
    & skf21("7","4","4","7","5","4","5","1") = "6"
    & skf21("7","4","4","7","5","4","6","1") = "6"
    & skf21("7","4","4","7","5","4","7","1") = "6"
    & skf21("7","4","4","7","5","5","1","1") = "6"
    & skf21("7","4","4","7","5","5","2","1") = "6"
    & skf21("7","4","4","7","5","5","3","1") = "6"
    & skf21("7","4","4","7","5","5","4","1") = "6"
    & skf21("7","4","4","7","5","5","5","1") = "6"
    & skf21("7","4","4","7","5","5","6","1") = "6"
    & skf21("7","4","4","7","5","5","7","1") = "6"
    & skf21("7","4","4","7","5","6","1","1") = "6"
    & skf21("7","4","4","7","5","6","2","1") = "6"
    & skf21("7","4","4","7","5","6","3","1") = "6"
    & skf21("7","4","4","7","5","6","4","1") = "6"
    & skf21("7","4","4","7","5","6","5","1") = "6"
    & skf21("7","4","4","7","5","6","6","1") = "6"
    & skf21("7","4","4","7","5","6","7","1") = "6"
    & skf21("7","4","4","7","5","7","1","1") = "6"
    & skf21("7","4","4","7","5","7","2","1") = "6"
    & skf21("7","4","4","7","5","7","3","1") = "6"
    & skf21("7","4","4","7","5","7","4","1") = "6"
    & skf21("7","4","4","7","5","7","5","1") = "6"
    & skf21("7","4","4","7","5","7","6","1") = "6"
    & skf21("7","4","4","7","5","7","7","1") = "6"
    & skf21("7","4","4","7","6","1","1","1") = "6"
    & skf21("7","4","4","7","6","1","2","1") = "6"
    & skf21("7","4","4","7","6","1","3","1") = "6"
    & skf21("7","4","4","7","6","1","4","1") = "6"
    & skf21("7","4","4","7","6","1","5","1") = "6"
    & skf21("7","4","4","7","6","1","6","1") = "6"
    & skf21("7","4","4","7","6","1","7","1") = "6"
    & skf21("7","4","4","7","6","2","1","1") = "6"
    & skf21("7","4","4","7","6","2","2","1") = "6"
    & skf21("7","4","4","7","6","2","3","1") = "6"
    & skf21("7","4","4","7","6","2","4","1") = "6"
    & skf21("7","4","4","7","6","2","5","1") = "6"
    & skf21("7","4","4","7","6","2","6","1") = "6"
    & skf21("7","4","4","7","6","2","7","1") = "6"
    & skf21("7","4","4","7","6","3","1","1") = "6"
    & skf21("7","4","4","7","6","3","2","1") = "6"
    & skf21("7","4","4","7","6","3","3","1") = "6"
    & skf21("7","4","4","7","6","3","4","1") = "6"
    & skf21("7","4","4","7","6","3","5","1") = "6"
    & skf21("7","4","4","7","6","3","6","1") = "6"
    & skf21("7","4","4","7","6","3","7","1") = "6"
    & skf21("7","4","4","7","6","4","1","1") = "6"
    & skf21("7","4","4","7","6","4","2","1") = "6"
    & skf21("7","4","4","7","6","4","3","1") = "6"
    & skf21("7","4","4","7","6","4","4","1") = "6"
    & skf21("7","4","4","7","6","4","5","1") = "6"
    & skf21("7","4","4","7","6","4","6","1") = "6"
    & skf21("7","4","4","7","6","4","7","1") = "6"
    & skf21("7","4","4","7","6","5","1","1") = "6"
    & skf21("7","4","4","7","6","5","2","1") = "6"
    & skf21("7","4","4","7","6","5","3","1") = "6"
    & skf21("7","4","4","7","6","5","4","1") = "6"
    & skf21("7","4","4","7","6","5","5","1") = "6"
    & skf21("7","4","4","7","6","5","6","1") = "6"
    & skf21("7","4","4","7","6","5","7","1") = "6"
    & skf21("7","4","4","7","6","6","1","1") = "6"
    & skf21("7","4","4","7","6","6","2","1") = "6"
    & skf21("7","4","4","7","6","6","3","1") = "6"
    & skf21("7","4","4","7","6","6","4","1") = "6"
    & skf21("7","4","4","7","6","6","5","1") = "6"
    & skf21("7","4","4","7","6","6","6","1") = "6"
    & skf21("7","4","4","7","6","6","7","1") = "6"
    & skf21("7","4","4","7","6","7","1","1") = "6"
    & skf21("7","4","4","7","6","7","2","1") = "6"
    & skf21("7","4","4","7","6","7","3","1") = "6"
    & skf21("7","4","4","7","6","7","4","1") = "6"
    & skf21("7","4","4","7","6","7","5","1") = "6"
    & skf21("7","4","4","7","6","7","6","1") = "6"
    & skf21("7","4","4","7","6","7","7","1") = "6"
    & skf21("7","4","4","7","7","1","1","1") = "6"
    & skf21("7","4","4","7","7","1","2","1") = "6"
    & skf21("7","4","4","7","7","1","3","1") = "6"
    & skf21("7","4","4","7","7","1","4","1") = "6"
    & skf21("7","4","4","7","7","1","5","1") = "6"
    & skf21("7","4","4","7","7","1","6","1") = "6"
    & skf21("7","4","4","7","7","1","7","1") = "6"
    & skf21("7","4","4","7","7","2","1","1") = "6"
    & skf21("7","4","4","7","7","2","2","1") = "6"
    & skf21("7","4","4","7","7","2","3","1") = "6"
    & skf21("7","4","4","7","7","2","4","1") = "6"
    & skf21("7","4","4","7","7","2","5","1") = "6"
    & skf21("7","4","4","7","7","2","6","1") = "6"
    & skf21("7","4","4","7","7","2","7","1") = "6"
    & skf21("7","4","4","7","7","3","1","1") = "6"
    & skf21("7","4","4","7","7","3","2","1") = "6"
    & skf21("7","4","4","7","7","3","3","1") = "6"
    & skf21("7","4","4","7","7","3","4","1") = "6"
    & skf21("7","4","4","7","7","3","5","1") = "6"
    & skf21("7","4","4","7","7","3","6","1") = "6"
    & skf21("7","4","4","7","7","3","7","1") = "6"
    & skf21("7","4","4","7","7","4","1","1") = "6"
    & skf21("7","4","4","7","7","4","2","1") = "6"
    & skf21("7","4","4","7","7","4","3","1") = "6"
    & skf21("7","4","4","7","7","4","4","1") = "6"
    & skf21("7","4","4","7","7","4","5","1") = "6"
    & skf21("7","4","4","7","7","4","6","1") = "6"
    & skf21("7","4","4","7","7","4","7","1") = "6"
    & skf21("7","4","4","7","7","5","1","1") = "6"
    & skf21("7","4","4","7","7","5","2","1") = "6"
    & skf21("7","4","4","7","7","5","3","1") = "6"
    & skf21("7","4","4","7","7","5","4","1") = "6"
    & skf21("7","4","4","7","7","5","5","1") = "6"
    & skf21("7","4","4","7","7","5","6","1") = "6"
    & skf21("7","4","4","7","7","5","7","1") = "6"
    & skf21("7","4","4","7","7","6","1","1") = "6"
    & skf21("7","4","4","7","7","6","2","1") = "6"
    & skf21("7","4","4","7","7","6","3","1") = "6"
    & skf21("7","4","4","7","7","6","4","1") = "6"
    & skf21("7","4","4","7","7","6","5","1") = "6"
    & skf21("7","4","4","7","7","6","6","1") = "6"
    & skf21("7","4","4","7","7","6","7","1") = "6"
    & skf21("7","4","4","7","7","7","1","1") = "6"
    & skf21("7","4","4","7","7","7","2","1") = "6"
    & skf21("7","4","4","7","7","7","3","1") = "6"
    & skf21("7","4","4","7","7","7","4","1") = "6"
    & skf21("7","4","4","7","7","7","5","1") = "6"
    & skf21("7","4","4","7","7","7","6","1") = "6"
    & skf21("7","4","4","7","7","7","7","1") = "6"
    & skf21("7","4","5","1","1","1","1","1") = "6"
    & skf21("7","4","5","1","1","1","2","1") = "6"
    & skf21("7","4","5","1","1","1","3","1") = "6"
    & skf21("7","4","5","1","1","1","4","1") = "6"
    & skf21("7","4","5","1","1","1","5","1") = "6"
    & skf21("7","4","5","1","1","1","6","1") = "6"
    & skf21("7","4","5","1","1","1","7","1") = "6"
    & skf21("7","4","5","1","1","2","1","1") = "6"
    & skf21("7","4","5","1","1","2","2","1") = "6"
    & skf21("7","4","5","1","1","2","3","1") = "6"
    & skf21("7","4","5","1","1","2","4","1") = "6"
    & skf21("7","4","5","1","1","2","5","1") = "6"
    & skf21("7","4","5","1","1","2","6","1") = "6"
    & skf21("7","4","5","1","1","2","7","1") = "6"
    & skf21("7","4","5","1","1","3","1","1") = "6"
    & skf21("7","4","5","1","1","3","2","1") = "6"
    & skf21("7","4","5","1","1","3","3","1") = "6"
    & skf21("7","4","5","1","1","3","4","1") = "6"
    & skf21("7","4","5","1","1","3","5","1") = "6"
    & skf21("7","4","5","1","1","3","6","1") = "6"
    & skf21("7","4","5","1","1","3","7","1") = "6"
    & skf21("7","4","5","1","1","4","1","1") = "6"
    & skf21("7","4","5","1","1","4","2","1") = "6"
    & skf21("7","4","5","1","1","4","3","1") = "6"
    & skf21("7","4","5","1","1","4","4","1") = "6"
    & skf21("7","4","5","1","1","4","5","1") = "6"
    & skf21("7","4","5","1","1","4","6","1") = "6"
    & skf21("7","4","5","1","1","4","7","1") = "6"
    & skf21("7","4","5","1","1","5","1","1") = "6"
    & skf21("7","4","5","1","1","5","2","1") = "6"
    & skf21("7","4","5","1","1","5","3","1") = "6"
    & skf21("7","4","5","1","1","5","4","1") = "6"
    & skf21("7","4","5","1","1","5","5","1") = "6"
    & skf21("7","4","5","1","1","5","6","1") = "6"
    & skf21("7","4","5","1","1","5","7","1") = "6"
    & skf21("7","4","5","1","1","6","1","1") = "6"
    & skf21("7","4","5","1","1","6","2","1") = "6"
    & skf21("7","4","5","1","1","6","3","1") = "6"
    & skf21("7","4","5","1","1","6","4","1") = "6"
    & skf21("7","4","5","1","1","6","5","1") = "6"
    & skf21("7","4","5","1","1","6","6","1") = "6"
    & skf21("7","4","5","1","1","6","7","1") = "6"
    & skf21("7","4","5","1","1","7","1","1") = "6"
    & skf21("7","4","5","1","1","7","2","1") = "6"
    & skf21("7","4","5","1","1","7","3","1") = "6"
    & skf21("7","4","5","1","1","7","4","1") = "6"
    & skf21("7","4","5","1","1","7","5","1") = "6"
    & skf21("7","4","5","1","1","7","6","1") = "6"
    & skf21("7","4","5","1","1","7","7","1") = "6"
    & skf21("7","4","5","1","2","1","1","1") = "6"
    & skf21("7","4","5","1","2","1","2","1") = "6"
    & skf21("7","4","5","1","2","1","3","1") = "6"
    & skf21("7","4","5","1","2","1","4","1") = "6"
    & skf21("7","4","5","1","2","1","5","1") = "6"
    & skf21("7","4","5","1","2","1","6","1") = "6"
    & skf21("7","4","5","1","2","1","7","1") = "6"
    & skf21("7","4","5","1","2","2","1","1") = "6"
    & skf21("7","4","5","1","2","2","2","1") = "6"
    & skf21("7","4","5","1","2","2","3","1") = "6"
    & skf21("7","4","5","1","2","2","4","1") = "6"
    & skf21("7","4","5","1","2","2","5","1") = "6"
    & skf21("7","4","5","1","2","2","6","1") = "6"
    & skf21("7","4","5","1","2","2","7","1") = "6"
    & skf21("7","4","5","1","2","3","1","1") = "6"
    & skf21("7","4","5","1","2","3","2","1") = "6"
    & skf21("7","4","5","1","2","3","3","1") = "6"
    & skf21("7","4","5","1","2","3","4","1") = "6"
    & skf21("7","4","5","1","2","3","5","1") = "6"
    & skf21("7","4","5","1","2","3","6","1") = "6"
    & skf21("7","4","5","1","2","3","7","1") = "6"
    & skf21("7","4","5","1","2","4","1","1") = "6"
    & skf21("7","4","5","1","2","4","2","1") = "6"
    & skf21("7","4","5","1","2","4","3","1") = "6"
    & skf21("7","4","5","1","2","4","4","1") = "6"
    & skf21("7","4","5","1","2","4","5","1") = "6"
    & skf21("7","4","5","1","2","4","6","1") = "6"
    & skf21("7","4","5","1","2","4","7","1") = "6"
    & skf21("7","4","5","1","2","5","1","1") = "6"
    & skf21("7","4","5","1","2","5","2","1") = "6"
    & skf21("7","4","5","1","2","5","3","1") = "6"
    & skf21("7","4","5","1","2","5","4","1") = "6"
    & skf21("7","4","5","1","2","5","5","1") = "6"
    & skf21("7","4","5","1","2","5","6","1") = "6"
    & skf21("7","4","5","1","2","5","7","1") = "6"
    & skf21("7","4","5","1","2","6","1","1") = "6"
    & skf21("7","4","5","1","2","6","2","1") = "6"
    & skf21("7","4","5","1","2","6","3","1") = "6"
    & skf21("7","4","5","1","2","6","4","1") = "6"
    & skf21("7","4","5","1","2","6","5","1") = "6"
    & skf21("7","4","5","1","2","6","6","1") = "6"
    & skf21("7","4","5","1","2","6","7","1") = "6"
    & skf21("7","4","5","1","2","7","1","1") = "6"
    & skf21("7","4","5","1","2","7","2","1") = "6"
    & skf21("7","4","5","1","2","7","3","1") = "6"
    & skf21("7","4","5","1","2","7","4","1") = "6"
    & skf21("7","4","5","1","2","7","5","1") = "6"
    & skf21("7","4","5","1","2","7","6","1") = "6"
    & skf21("7","4","5","1","2","7","7","1") = "6"
    & skf21("7","4","5","1","3","1","1","1") = "6"
    & skf21("7","4","5","1","3","1","2","1") = "6"
    & skf21("7","4","5","1","3","1","3","1") = "6"
    & skf21("7","4","5","1","3","1","4","1") = "6"
    & skf21("7","4","5","1","3","1","5","1") = "6"
    & skf21("7","4","5","1","3","1","6","1") = "6"
    & skf21("7","4","5","1","3","1","7","1") = "6"
    & skf21("7","4","5","1","3","2","1","1") = "6"
    & skf21("7","4","5","1","3","2","2","1") = "6"
    & skf21("7","4","5","1","3","2","3","1") = "6"
    & skf21("7","4","5","1","3","2","4","1") = "6"
    & skf21("7","4","5","1","3","2","5","1") = "6"
    & skf21("7","4","5","1","3","2","6","1") = "6"
    & skf21("7","4","5","1","3","2","7","1") = "6"
    & skf21("7","4","5","1","3","3","1","1") = "6"
    & skf21("7","4","5","1","3","3","2","1") = "6"
    & skf21("7","4","5","1","3","3","3","1") = "6"
    & skf21("7","4","5","1","3","3","4","1") = "6"
    & skf21("7","4","5","1","3","3","5","1") = "6"
    & skf21("7","4","5","1","3","3","6","1") = "6"
    & skf21("7","4","5","1","3","3","7","1") = "6"
    & skf21("7","4","5","1","3","4","1","1") = "6"
    & skf21("7","4","5","1","3","4","2","1") = "6"
    & skf21("7","4","5","1","3","4","3","1") = "6"
    & skf21("7","4","5","1","3","4","4","1") = "6"
    & skf21("7","4","5","1","3","4","5","1") = "6"
    & skf21("7","4","5","1","3","4","6","1") = "6"
    & skf21("7","4","5","1","3","4","7","1") = "6"
    & skf21("7","4","5","1","3","5","1","1") = "6"
    & skf21("7","4","5","1","3","5","2","1") = "6"
    & skf21("7","4","5","1","3","5","3","1") = "6"
    & skf21("7","4","5","1","3","5","4","1") = "6"
    & skf21("7","4","5","1","3","5","5","1") = "6"
    & skf21("7","4","5","1","3","5","6","1") = "6"
    & skf21("7","4","5","1","3","5","7","1") = "6"
    & skf21("7","4","5","1","3","6","1","1") = "6"
    & skf21("7","4","5","1","3","6","2","1") = "6"
    & skf21("7","4","5","1","3","6","3","1") = "6"
    & skf21("7","4","5","1","3","6","4","1") = "6"
    & skf21("7","4","5","1","3","6","5","1") = "6"
    & skf21("7","4","5","1","3","6","6","1") = "6"
    & skf21("7","4","5","1","3","6","7","1") = "6"
    & skf21("7","4","5","1","3","7","1","1") = "6"
    & skf21("7","4","5","1","3","7","2","1") = "6"
    & skf21("7","4","5","1","3","7","3","1") = "6"
    & skf21("7","4","5","1","3","7","4","1") = "6"
    & skf21("7","4","5","1","3","7","5","1") = "6"
    & skf21("7","4","5","1","3","7","6","1") = "6"
    & skf21("7","4","5","1","3","7","7","1") = "6"
    & skf21("7","4","5","1","4","1","1","1") = "6"
    & skf21("7","4","5","1","4","1","2","1") = "6"
    & skf21("7","4","5","1","4","1","3","1") = "6"
    & skf21("7","4","5","1","4","1","4","1") = "6"
    & skf21("7","4","5","1","4","1","5","1") = "6"
    & skf21("7","4","5","1","4","1","6","1") = "6"
    & skf21("7","4","5","1","4","1","7","1") = "6"
    & skf21("7","4","5","1","4","2","1","1") = "6"
    & skf21("7","4","5","1","4","2","2","1") = "6"
    & skf21("7","4","5","1","4","2","3","1") = "6"
    & skf21("7","4","5","1","4","2","4","1") = "6"
    & skf21("7","4","5","1","4","2","5","1") = "6"
    & skf21("7","4","5","1","4","2","6","1") = "6"
    & skf21("7","4","5","1","4","2","7","1") = "6"
    & skf21("7","4","5","1","4","3","1","1") = "6"
    & skf21("7","4","5","1","4","3","2","1") = "6"
    & skf21("7","4","5","1","4","3","3","1") = "6"
    & skf21("7","4","5","1","4","3","4","1") = "6"
    & skf21("7","4","5","1","4","3","5","1") = "6"
    & skf21("7","4","5","1","4","3","6","1") = "6"
    & skf21("7","4","5","1","4","3","7","1") = "6"
    & skf21("7","4","5","1","4","4","1","1") = "6"
    & skf21("7","4","5","1","4","4","2","1") = "6"
    & skf21("7","4","5","1","4","4","3","1") = "6"
    & skf21("7","4","5","1","4","4","4","1") = "6"
    & skf21("7","4","5","1","4","4","5","1") = "6"
    & skf21("7","4","5","1","4","4","6","1") = "6"
    & skf21("7","4","5","1","4","4","7","1") = "6"
    & skf21("7","4","5","1","4","5","1","1") = "6"
    & skf21("7","4","5","1","4","5","2","1") = "6"
    & skf21("7","4","5","1","4","5","3","1") = "6"
    & skf21("7","4","5","1","4","5","4","1") = "6"
    & skf21("7","4","5","1","4","5","5","1") = "6"
    & skf21("7","4","5","1","4","5","6","1") = "6"
    & skf21("7","4","5","1","4","5","7","1") = "6"
    & skf21("7","4","5","1","4","6","1","1") = "6"
    & skf21("7","4","5","1","4","6","2","1") = "6"
    & skf21("7","4","5","1","4","6","3","1") = "6"
    & skf21("7","4","5","1","4","6","4","1") = "6"
    & skf21("7","4","5","1","4","6","5","1") = "6"
    & skf21("7","4","5","1","4","6","6","1") = "6"
    & skf21("7","4","5","1","4","6","7","1") = "6"
    & skf21("7","4","5","1","4","7","1","1") = "6"
    & skf21("7","4","5","1","4","7","2","1") = "6"
    & skf21("7","4","5","1","4","7","3","1") = "6"
    & skf21("7","4","5","1","4","7","4","1") = "6"
    & skf21("7","4","5","1","4","7","5","1") = "6"
    & skf21("7","4","5","1","4","7","6","1") = "6"
    & skf21("7","4","5","1","4","7","7","1") = "6"
    & skf21("7","4","5","1","5","1","1","1") = "6"
    & skf21("7","4","5","1","5","1","2","1") = "6"
    & skf21("7","4","5","1","5","1","3","1") = "6"
    & skf21("7","4","5","1","5","1","4","1") = "6"
    & skf21("7","4","5","1","5","1","5","1") = "6"
    & skf21("7","4","5","1","5","1","6","1") = "6"
    & skf21("7","4","5","1","5","1","7","1") = "6"
    & skf21("7","4","5","1","5","2","1","1") = "6"
    & skf21("7","4","5","1","5","2","2","1") = "6"
    & skf21("7","4","5","1","5","2","3","1") = "6"
    & skf21("7","4","5","1","5","2","4","1") = "6"
    & skf21("7","4","5","1","5","2","5","1") = "6"
    & skf21("7","4","5","1","5","2","6","1") = "6"
    & skf21("7","4","5","1","5","2","7","1") = "6"
    & skf21("7","4","5","1","5","3","1","1") = "6"
    & skf21("7","4","5","1","5","3","2","1") = "6"
    & skf21("7","4","5","1","5","3","3","1") = "6"
    & skf21("7","4","5","1","5","3","4","1") = "6"
    & skf21("7","4","5","1","5","3","5","1") = "6"
    & skf21("7","4","5","1","5","3","6","1") = "6"
    & skf21("7","4","5","1","5","3","7","1") = "6"
    & skf21("7","4","5","1","5","4","1","1") = "6"
    & skf21("7","4","5","1","5","4","2","1") = "6"
    & skf21("7","4","5","1","5","4","3","1") = "6"
    & skf21("7","4","5","1","5","4","4","1") = "6"
    & skf21("7","4","5","1","5","4","5","1") = "6"
    & skf21("7","4","5","1","5","4","6","1") = "6"
    & skf21("7","4","5","1","5","4","7","1") = "6"
    & skf21("7","4","5","1","5","5","1","1") = "6"
    & skf21("7","4","5","1","5","5","2","1") = "6"
    & skf21("7","4","5","1","5","5","3","1") = "6"
    & skf21("7","4","5","1","5","5","4","1") = "6"
    & skf21("7","4","5","1","5","5","5","1") = "6"
    & skf21("7","4","5","1","5","5","6","1") = "6"
    & skf21("7","4","5","1","5","5","7","1") = "6"
    & skf21("7","4","5","1","5","6","1","1") = "6"
    & skf21("7","4","5","1","5","6","2","1") = "6"
    & skf21("7","4","5","1","5","6","3","1") = "6"
    & skf21("7","4","5","1","5","6","4","1") = "6"
    & skf21("7","4","5","1","5","6","5","1") = "6"
    & skf21("7","4","5","1","5","6","6","1") = "6"
    & skf21("7","4","5","1","5","6","7","1") = "6"
    & skf21("7","4","5","1","5","7","1","1") = "6"
    & skf21("7","4","5","1","5","7","2","1") = "6"
    & skf21("7","4","5","1","5","7","3","1") = "6"
    & skf21("7","4","5","1","5","7","4","1") = "6"
    & skf21("7","4","5","1","5","7","5","1") = "6"
    & skf21("7","4","5","1","5","7","6","1") = "6"
    & skf21("7","4","5","1","5","7","7","1") = "6"
    & skf21("7","4","5","1","6","1","1","1") = "6"
    & skf21("7","4","5","1","6","1","2","1") = "6"
    & skf21("7","4","5","1","6","1","3","1") = "6"
    & skf21("7","4","5","1","6","1","4","1") = "6"
    & skf21("7","4","5","1","6","1","5","1") = "6"
    & skf21("7","4","5","1","6","1","6","1") = "6"
    & skf21("7","4","5","1","6","1","7","1") = "6"
    & skf21("7","4","5","1","6","2","1","1") = "6"
    & skf21("7","4","5","1","6","2","2","1") = "6"
    & skf21("7","4","5","1","6","2","3","1") = "6"
    & skf21("7","4","5","1","6","2","4","1") = "6"
    & skf21("7","4","5","1","6","2","5","1") = "6"
    & skf21("7","4","5","1","6","2","6","1") = "6"
    & skf21("7","4","5","1","6","2","7","1") = "6"
    & skf21("7","4","5","1","6","3","1","1") = "6"
    & skf21("7","4","5","1","6","3","2","1") = "6"
    & skf21("7","4","5","1","6","3","3","1") = "6"
    & skf21("7","4","5","1","6","3","4","1") = "6"
    & skf21("7","4","5","1","6","3","5","1") = "6"
    & skf21("7","4","5","1","6","3","6","1") = "6"
    & skf21("7","4","5","1","6","3","7","1") = "6"
    & skf21("7","4","5","1","6","4","1","1") = "6"
    & skf21("7","4","5","1","6","4","2","1") = "6"
    & skf21("7","4","5","1","6","4","3","1") = "6"
    & skf21("7","4","5","1","6","4","4","1") = "6"
    & skf21("7","4","5","1","6","4","5","1") = "6"
    & skf21("7","4","5","1","6","4","6","1") = "6"
    & skf21("7","4","5","1","6","4","7","1") = "6"
    & skf21("7","4","5","1","6","5","1","1") = "6"
    & skf21("7","4","5","1","6","5","2","1") = "6"
    & skf21("7","4","5","1","6","5","3","1") = "6"
    & skf21("7","4","5","1","6","5","4","1") = "6"
    & skf21("7","4","5","1","6","5","5","1") = "6"
    & skf21("7","4","5","1","6","5","6","1") = "6"
    & skf21("7","4","5","1","6","5","7","1") = "6"
    & skf21("7","4","5","1","6","6","1","1") = "6"
    & skf21("7","4","5","1","6","6","2","1") = "6"
    & skf21("7","4","5","1","6","6","3","1") = "6"
    & skf21("7","4","5","1","6","6","4","1") = "6"
    & skf21("7","4","5","1","6","6","5","1") = "6"
    & skf21("7","4","5","1","6","6","6","1") = "6"
    & skf21("7","4","5","1","6","6","7","1") = "6"
    & skf21("7","4","5","1","6","7","1","1") = "6"
    & skf21("7","4","5","1","6","7","2","1") = "6"
    & skf21("7","4","5","1","6","7","3","1") = "6"
    & skf21("7","4","5","1","6","7","4","1") = "6"
    & skf21("7","4","5","1","6","7","5","1") = "6"
    & skf21("7","4","5","1","6","7","6","1") = "6"
    & skf21("7","4","5","1","6","7","7","1") = "6"
    & skf21("7","4","5","1","7","1","1","1") = "6"
    & skf21("7","4","5","1","7","1","2","1") = "6"
    & skf21("7","4","5","1","7","1","3","1") = "6"
    & skf21("7","4","5","1","7","1","4","1") = "6"
    & skf21("7","4","5","1","7","1","5","1") = "6"
    & skf21("7","4","5","1","7","1","6","1") = "6"
    & skf21("7","4","5","1","7","1","7","1") = "6"
    & skf21("7","4","5","1","7","2","1","1") = "6"
    & skf21("7","4","5","1","7","2","2","1") = "6"
    & skf21("7","4","5","1","7","2","3","1") = "6"
    & skf21("7","4","5","1","7","2","4","1") = "6"
    & skf21("7","4","5","1","7","2","5","1") = "6"
    & skf21("7","4","5","1","7","2","6","1") = "6"
    & skf21("7","4","5","1","7","2","7","1") = "6"
    & skf21("7","4","5","1","7","3","1","1") = "6"
    & skf21("7","4","5","1","7","3","2","1") = "6"
    & skf21("7","4","5","1","7","3","3","1") = "6"
    & skf21("7","4","5","1","7","3","4","1") = "6"
    & skf21("7","4","5","1","7","3","5","1") = "6"
    & skf21("7","4","5","1","7","3","6","1") = "6"
    & skf21("7","4","5","1","7","3","7","1") = "6"
    & skf21("7","4","5","1","7","4","1","1") = "6"
    & skf21("7","4","5","1","7","4","2","1") = "6"
    & skf21("7","4","5","1","7","4","3","1") = "6"
    & skf21("7","4","5","1","7","4","4","1") = "6"
    & skf21("7","4","5","1","7","4","5","1") = "6"
    & skf21("7","4","5","1","7","4","6","1") = "6"
    & skf21("7","4","5","1","7","4","7","1") = "6"
    & skf21("7","4","5","1","7","5","1","1") = "6"
    & skf21("7","4","5","1","7","5","2","1") = "6"
    & skf21("7","4","5","1","7","5","3","1") = "6"
    & skf21("7","4","5","1","7","5","4","1") = "6"
    & skf21("7","4","5","1","7","5","5","1") = "6"
    & skf21("7","4","5","1","7","5","6","1") = "6"
    & skf21("7","4","5","1","7","5","7","1") = "6"
    & skf21("7","4","5","1","7","6","1","1") = "6"
    & skf21("7","4","5","1","7","6","2","1") = "6"
    & skf21("7","4","5","1","7","6","3","1") = "6"
    & skf21("7","4","5","1","7","6","4","1") = "6"
    & skf21("7","4","5","1","7","6","5","1") = "6"
    & skf21("7","4","5","1","7","6","6","1") = "6"
    & skf21("7","4","5","1","7","6","7","1") = "6"
    & skf21("7","4","5","1","7","7","1","1") = "6"
    & skf21("7","4","5","1","7","7","2","1") = "6"
    & skf21("7","4","5","1","7","7","3","1") = "6"
    & skf21("7","4","5","1","7","7","4","1") = "6"
    & skf21("7","4","5","1","7","7","5","1") = "6"
    & skf21("7","4","5","1","7","7","6","1") = "6"
    & skf21("7","4","5","1","7","7","7","1") = "6"
    & skf21("7","4","5","2","1","1","1","1") = "6"
    & skf21("7","4","5","2","1","1","2","1") = "6"
    & skf21("7","4","5","2","1","1","3","1") = "6"
    & skf21("7","4","5","2","1","1","4","1") = "6"
    & skf21("7","4","5","2","1","1","5","1") = "6"
    & skf21("7","4","5","2","1","1","6","1") = "6"
    & skf21("7","4","5","2","1","1","7","1") = "6"
    & skf21("7","4","5","2","1","2","1","1") = "6"
    & skf21("7","4","5","2","1","2","2","1") = "6"
    & skf21("7","4","5","2","1","2","3","1") = "6"
    & skf21("7","4","5","2","1","2","4","1") = "6"
    & skf21("7","4","5","2","1","2","5","1") = "6"
    & skf21("7","4","5","2","1","2","6","1") = "6"
    & skf21("7","4","5","2","1","2","7","1") = "6"
    & skf21("7","4","5","2","1","3","1","1") = "6"
    & skf21("7","4","5","2","1","3","2","1") = "6"
    & skf21("7","4","5","2","1","3","3","1") = "6"
    & skf21("7","4","5","2","1","3","4","1") = "6"
    & skf21("7","4","5","2","1","3","5","1") = "6"
    & skf21("7","4","5","2","1","3","6","1") = "6"
    & skf21("7","4","5","2","1","3","7","1") = "6"
    & skf21("7","4","5","2","1","4","1","1") = "6"
    & skf21("7","4","5","2","1","4","2","1") = "6"
    & skf21("7","4","5","2","1","4","3","1") = "6"
    & skf21("7","4","5","2","1","4","4","1") = "6"
    & skf21("7","4","5","2","1","4","5","1") = "6"
    & skf21("7","4","5","2","1","4","6","1") = "6"
    & skf21("7","4","5","2","1","4","7","1") = "6"
    & skf21("7","4","5","2","1","5","1","1") = "6"
    & skf21("7","4","5","2","1","5","2","1") = "6"
    & skf21("7","4","5","2","1","5","3","1") = "6"
    & skf21("7","4","5","2","1","5","4","1") = "6"
    & skf21("7","4","5","2","1","5","5","1") = "6"
    & skf21("7","4","5","2","1","5","6","1") = "6"
    & skf21("7","4","5","2","1","5","7","1") = "6"
    & skf21("7","4","5","2","1","6","1","1") = "6"
    & skf21("7","4","5","2","1","6","2","1") = "6"
    & skf21("7","4","5","2","1","6","3","1") = "6"
    & skf21("7","4","5","2","1","6","4","1") = "6"
    & skf21("7","4","5","2","1","6","5","1") = "6"
    & skf21("7","4","5","2","1","6","6","1") = "6"
    & skf21("7","4","5","2","1","6","7","1") = "6"
    & skf21("7","4","5","2","1","7","1","1") = "6"
    & skf21("7","4","5","2","1","7","2","1") = "6"
    & skf21("7","4","5","2","1","7","3","1") = "6"
    & skf21("7","4","5","2","1","7","4","1") = "6"
    & skf21("7","4","5","2","1","7","5","1") = "6"
    & skf21("7","4","5","2","1","7","6","1") = "6"
    & skf21("7","4","5","2","1","7","7","1") = "6"
    & skf21("7","4","5","2","2","1","1","1") = "6"
    & skf21("7","4","5","2","2","1","2","1") = "6"
    & skf21("7","4","5","2","2","1","3","1") = "6"
    & skf21("7","4","5","2","2","1","4","1") = "6"
    & skf21("7","4","5","2","2","1","5","1") = "6"
    & skf21("7","4","5","2","2","1","6","1") = "6"
    & skf21("7","4","5","2","2","1","7","1") = "6"
    & skf21("7","4","5","2","2","2","1","1") = "6"
    & skf21("7","4","5","2","2","2","2","1") = "6"
    & skf21("7","4","5","2","2","2","3","1") = "6"
    & skf21("7","4","5","2","2","2","4","1") = "6"
    & skf21("7","4","5","2","2","2","5","1") = "6"
    & skf21("7","4","5","2","2","2","6","1") = "6"
    & skf21("7","4","5","2","2","2","7","1") = "6"
    & skf21("7","4","5","2","2","3","1","1") = "6"
    & skf21("7","4","5","2","2","3","2","1") = "6"
    & skf21("7","4","5","2","2","3","3","1") = "6"
    & skf21("7","4","5","2","2","3","4","1") = "6"
    & skf21("7","4","5","2","2","3","5","1") = "6"
    & skf21("7","4","5","2","2","3","6","1") = "6"
    & skf21("7","4","5","2","2","3","7","1") = "6"
    & skf21("7","4","5","2","2","4","1","1") = "6"
    & skf21("7","4","5","2","2","4","2","1") = "6"
    & skf21("7","4","5","2","2","4","3","1") = "6"
    & skf21("7","4","5","2","2","4","4","1") = "6"
    & skf21("7","4","5","2","2","4","5","1") = "6"
    & skf21("7","4","5","2","2","4","6","1") = "6"
    & skf21("7","4","5","2","2","4","7","1") = "6"
    & skf21("7","4","5","2","2","5","1","1") = "6"
    & skf21("7","4","5","2","2","5","2","1") = "6"
    & skf21("7","4","5","2","2","5","3","1") = "6"
    & skf21("7","4","5","2","2","5","4","1") = "6"
    & skf21("7","4","5","2","2","5","5","1") = "6"
    & skf21("7","4","5","2","2","5","6","1") = "6"
    & skf21("7","4","5","2","2","5","7","1") = "6"
    & skf21("7","4","5","2","2","6","1","1") = "6"
    & skf21("7","4","5","2","2","6","2","1") = "6"
    & skf21("7","4","5","2","2","6","3","1") = "6"
    & skf21("7","4","5","2","2","6","4","1") = "6"
    & skf21("7","4","5","2","2","6","5","1") = "6"
    & skf21("7","4","5","2","2","6","6","1") = "6"
    & skf21("7","4","5","2","2","6","7","1") = "6"
    & skf21("7","4","5","2","2","7","1","1") = "6"
    & skf21("7","4","5","2","2","7","2","1") = "6"
    & skf21("7","4","5","2","2","7","3","1") = "6"
    & skf21("7","4","5","2","2","7","4","1") = "6"
    & skf21("7","4","5","2","2","7","5","1") = "6"
    & skf21("7","4","5","2","2","7","6","1") = "6"
    & skf21("7","4","5","2","2","7","7","1") = "6"
    & skf21("7","4","5","2","3","1","1","1") = "6"
    & skf21("7","4","5","2","3","1","2","1") = "6"
    & skf21("7","4","5","2","3","1","3","1") = "6"
    & skf21("7","4","5","2","3","1","4","1") = "6"
    & skf21("7","4","5","2","3","1","5","1") = "6"
    & skf21("7","4","5","2","3","1","6","1") = "6"
    & skf21("7","4","5","2","3","1","7","1") = "6"
    & skf21("7","4","5","2","3","2","1","1") = "6"
    & skf21("7","4","5","2","3","2","2","1") = "6"
    & skf21("7","4","5","2","3","2","3","1") = "6"
    & skf21("7","4","5","2","3","2","4","1") = "6"
    & skf21("7","4","5","2","3","2","5","1") = "6"
    & skf21("7","4","5","2","3","2","6","1") = "6"
    & skf21("7","4","5","2","3","2","7","1") = "6"
    & skf21("7","4","5","2","3","3","1","1") = "6"
    & skf21("7","4","5","2","3","3","2","1") = "6"
    & skf21("7","4","5","2","3","3","3","1") = "6"
    & skf21("7","4","5","2","3","3","4","1") = "6"
    & skf21("7","4","5","2","3","3","5","1") = "6"
    & skf21("7","4","5","2","3","3","6","1") = "6"
    & skf21("7","4","5","2","3","3","7","1") = "6"
    & skf21("7","4","5","2","3","4","1","1") = "6"
    & skf21("7","4","5","2","3","4","2","1") = "6"
    & skf21("7","4","5","2","3","4","3","1") = "6"
    & skf21("7","4","5","2","3","4","4","1") = "6"
    & skf21("7","4","5","2","3","4","5","1") = "6"
    & skf21("7","4","5","2","3","4","6","1") = "6"
    & skf21("7","4","5","2","3","4","7","1") = "6"
    & skf21("7","4","5","2","3","5","1","1") = "6"
    & skf21("7","4","5","2","3","5","2","1") = "6"
    & skf21("7","4","5","2","3","5","3","1") = "6"
    & skf21("7","4","5","2","3","5","4","1") = "6"
    & skf21("7","4","5","2","3","5","5","1") = "6"
    & skf21("7","4","5","2","3","5","6","1") = "6"
    & skf21("7","4","5","2","3","5","7","1") = "6"
    & skf21("7","4","5","2","3","6","1","1") = "6"
    & skf21("7","4","5","2","3","6","2","1") = "6"
    & skf21("7","4","5","2","3","6","3","1") = "6"
    & skf21("7","4","5","2","3","6","4","1") = "6"
    & skf21("7","4","5","2","3","6","5","1") = "6"
    & skf21("7","4","5","2","3","6","6","1") = "6"
    & skf21("7","4","5","2","3","6","7","1") = "6"
    & skf21("7","4","5","2","3","7","1","1") = "6"
    & skf21("7","4","5","2","3","7","2","1") = "6"
    & skf21("7","4","5","2","3","7","3","1") = "6"
    & skf21("7","4","5","2","3","7","4","1") = "6"
    & skf21("7","4","5","2","3","7","5","1") = "6"
    & skf21("7","4","5","2","3","7","6","1") = "6"
    & skf21("7","4","5","2","3","7","7","1") = "6"
    & skf21("7","4","5","2","4","1","1","1") = "6"
    & skf21("7","4","5","2","4","1","2","1") = "6"
    & skf21("7","4","5","2","4","1","3","1") = "6"
    & skf21("7","4","5","2","4","1","4","1") = "6"
    & skf21("7","4","5","2","4","1","5","1") = "6"
    & skf21("7","4","5","2","4","1","6","1") = "6"
    & skf21("7","4","5","2","4","1","7","1") = "6"
    & skf21("7","4","5","2","4","2","1","1") = "6"
    & skf21("7","4","5","2","4","2","2","1") = "6"
    & skf21("7","4","5","2","4","2","3","1") = "6"
    & skf21("7","4","5","2","4","2","4","1") = "6"
    & skf21("7","4","5","2","4","2","5","1") = "6"
    & skf21("7","4","5","2","4","2","6","1") = "6"
    & skf21("7","4","5","2","4","2","7","1") = "6"
    & skf21("7","4","5","2","4","3","1","1") = "6"
    & skf21("7","4","5","2","4","3","2","1") = "6"
    & skf21("7","4","5","2","4","3","3","1") = "6"
    & skf21("7","4","5","2","4","3","4","1") = "6"
    & skf21("7","4","5","2","4","3","5","1") = "6"
    & skf21("7","4","5","2","4","3","6","1") = "6"
    & skf21("7","4","5","2","4","3","7","1") = "6"
    & skf21("7","4","5","2","4","4","1","1") = "6"
    & skf21("7","4","5","2","4","4","2","1") = "6"
    & skf21("7","4","5","2","4","4","3","1") = "6"
    & skf21("7","4","5","2","4","4","4","1") = "6"
    & skf21("7","4","5","2","4","4","5","1") = "6"
    & skf21("7","4","5","2","4","4","6","1") = "6"
    & skf21("7","4","5","2","4","4","7","1") = "6"
    & skf21("7","4","5","2","4","5","1","1") = "6"
    & skf21("7","4","5","2","4","5","2","1") = "6"
    & skf21("7","4","5","2","4","5","3","1") = "6"
    & skf21("7","4","5","2","4","5","4","1") = "6"
    & skf21("7","4","5","2","4","5","5","1") = "6"
    & skf21("7","4","5","2","4","5","6","1") = "6"
    & skf21("7","4","5","2","4","5","7","1") = "6"
    & skf21("7","4","5","2","4","6","1","1") = "6"
    & skf21("7","4","5","2","4","6","2","1") = "6"
    & skf21("7","4","5","2","4","6","3","1") = "6"
    & skf21("7","4","5","2","4","6","4","1") = "6"
    & skf21("7","4","5","2","4","6","5","1") = "6"
    & skf21("7","4","5","2","4","6","6","1") = "6"
    & skf21("7","4","5","2","4","6","7","1") = "6"
    & skf21("7","4","5","2","4","7","1","1") = "6"
    & skf21("7","4","5","2","4","7","2","1") = "6"
    & skf21("7","4","5","2","4","7","3","1") = "6"
    & skf21("7","4","5","2","4","7","4","1") = "6"
    & skf21("7","4","5","2","4","7","5","1") = "6"
    & skf21("7","4","5","2","4","7","6","1") = "6"
    & skf21("7","4","5","2","4","7","7","1") = "6"
    & skf21("7","4","5","2","5","1","1","1") = "6"
    & skf21("7","4","5","2","5","1","2","1") = "6"
    & skf21("7","4","5","2","5","1","3","1") = "6"
    & skf21("7","4","5","2","5","1","4","1") = "6"
    & skf21("7","4","5","2","5","1","5","1") = "6"
    & skf21("7","4","5","2","5","1","6","1") = "6"
    & skf21("7","4","5","2","5","1","7","1") = "6"
    & skf21("7","4","5","2","5","2","1","1") = "6"
    & skf21("7","4","5","2","5","2","2","1") = "6"
    & skf21("7","4","5","2","5","2","3","1") = "6"
    & skf21("7","4","5","2","5","2","4","1") = "6"
    & skf21("7","4","5","2","5","2","5","1") = "6"
    & skf21("7","4","5","2","5","2","6","1") = "6"
    & skf21("7","4","5","2","5","2","7","1") = "6"
    & skf21("7","4","5","2","5","3","1","1") = "6"
    & skf21("7","4","5","2","5","3","2","1") = "6"
    & skf21("7","4","5","2","5","3","3","1") = "6"
    & skf21("7","4","5","2","5","3","4","1") = "6"
    & skf21("7","4","5","2","5","3","5","1") = "6"
    & skf21("7","4","5","2","5","3","6","1") = "6"
    & skf21("7","4","5","2","5","3","7","1") = "6"
    & skf21("7","4","5","2","5","4","1","1") = "6"
    & skf21("7","4","5","2","5","4","2","1") = "6"
    & skf21("7","4","5","2","5","4","3","1") = "6"
    & skf21("7","4","5","2","5","4","4","1") = "6"
    & skf21("7","4","5","2","5","4","5","1") = "6"
    & skf21("7","4","5","2","5","4","6","1") = "6"
    & skf21("7","4","5","2","5","4","7","1") = "6"
    & skf21("7","4","5","2","5","5","1","1") = "6"
    & skf21("7","4","5","2","5","5","2","1") = "6"
    & skf21("7","4","5","2","5","5","3","1") = "6"
    & skf21("7","4","5","2","5","5","4","1") = "6"
    & skf21("7","4","5","2","5","5","5","1") = "6"
    & skf21("7","4","5","2","5","5","6","1") = "6"
    & skf21("7","4","5","2","5","5","7","1") = "6"
    & skf21("7","4","5","2","5","6","1","1") = "6"
    & skf21("7","4","5","2","5","6","2","1") = "6"
    & skf21("7","4","5","2","5","6","3","1") = "6"
    & skf21("7","4","5","2","5","6","4","1") = "6"
    & skf21("7","4","5","2","5","6","5","1") = "6"
    & skf21("7","4","5","2","5","6","6","1") = "6"
    & skf21("7","4","5","2","5","6","7","1") = "6"
    & skf21("7","4","5","2","5","7","1","1") = "6"
    & skf21("7","4","5","2","5","7","2","1") = "6"
    & skf21("7","4","5","2","5","7","3","1") = "6"
    & skf21("7","4","5","2","5","7","4","1") = "6"
    & skf21("7","4","5","2","5","7","5","1") = "6"
    & skf21("7","4","5","2","5","7","6","1") = "6"
    & skf21("7","4","5","2","5","7","7","1") = "6"
    & skf21("7","4","5","2","6","1","1","1") = "6"
    & skf21("7","4","5","2","6","1","2","1") = "6"
    & skf21("7","4","5","2","6","1","3","1") = "6"
    & skf21("7","4","5","2","6","1","4","1") = "6"
    & skf21("7","4","5","2","6","1","5","1") = "6"
    & skf21("7","4","5","2","6","1","6","1") = "6"
    & skf21("7","4","5","2","6","1","7","1") = "6"
    & skf21("7","4","5","2","6","2","1","1") = "6"
    & skf21("7","4","5","2","6","2","2","1") = "6"
    & skf21("7","4","5","2","6","2","3","1") = "6"
    & skf21("7","4","5","2","6","2","4","1") = "6"
    & skf21("7","4","5","2","6","2","5","1") = "6"
    & skf21("7","4","5","2","6","2","6","1") = "6"
    & skf21("7","4","5","2","6","2","7","1") = "6"
    & skf21("7","4","5","2","6","3","1","1") = "6"
    & skf21("7","4","5","2","6","3","2","1") = "6"
    & skf21("7","4","5","2","6","3","3","1") = "6"
    & skf21("7","4","5","2","6","3","4","1") = "6"
    & skf21("7","4","5","2","6","3","5","1") = "6"
    & skf21("7","4","5","2","6","3","6","1") = "6"
    & skf21("7","4","5","2","6","3","7","1") = "6"
    & skf21("7","4","5","2","6","4","1","1") = "6"
    & skf21("7","4","5","2","6","4","2","1") = "6"
    & skf21("7","4","5","2","6","4","3","1") = "6"
    & skf21("7","4","5","2","6","4","4","1") = "6"
    & skf21("7","4","5","2","6","4","5","1") = "6"
    & skf21("7","4","5","2","6","4","6","1") = "6"
    & skf21("7","4","5","2","6","4","7","1") = "6"
    & skf21("7","4","5","2","6","5","1","1") = "6"
    & skf21("7","4","5","2","6","5","2","1") = "6"
    & skf21("7","4","5","2","6","5","3","1") = "6"
    & skf21("7","4","5","2","6","5","4","1") = "6"
    & skf21("7","4","5","2","6","5","5","1") = "6"
    & skf21("7","4","5","2","6","5","6","1") = "6"
    & skf21("7","4","5","2","6","5","7","1") = "6"
    & skf21("7","4","5","2","6","6","1","1") = "6"
    & skf21("7","4","5","2","6","6","2","1") = "6"
    & skf21("7","4","5","2","6","6","3","1") = "6"
    & skf21("7","4","5","2","6","6","4","1") = "6"
    & skf21("7","4","5","2","6","6","5","1") = "6"
    & skf21("7","4","5","2","6","6","6","1") = "6"
    & skf21("7","4","5","2","6","6","7","1") = "6"
    & skf21("7","4","5","2","6","7","1","1") = "6"
    & skf21("7","4","5","2","6","7","2","1") = "6"
    & skf21("7","4","5","2","6","7","3","1") = "6"
    & skf21("7","4","5","2","6","7","4","1") = "6"
    & skf21("7","4","5","2","6","7","5","1") = "6"
    & skf21("7","4","5","2","6","7","6","1") = "6"
    & skf21("7","4","5","2","6","7","7","1") = "6"
    & skf21("7","4","5","2","7","1","1","1") = "6"
    & skf21("7","4","5","2","7","1","2","1") = "6"
    & skf21("7","4","5","2","7","1","3","1") = "6"
    & skf21("7","4","5","2","7","1","4","1") = "6"
    & skf21("7","4","5","2","7","1","5","1") = "6"
    & skf21("7","4","5","2","7","1","6","1") = "6"
    & skf21("7","4","5","2","7","1","7","1") = "6"
    & skf21("7","4","5","2","7","2","1","1") = "6"
    & skf21("7","4","5","2","7","2","2","1") = "6"
    & skf21("7","4","5","2","7","2","3","1") = "6"
    & skf21("7","4","5","2","7","2","4","1") = "6"
    & skf21("7","4","5","2","7","2","5","1") = "6"
    & skf21("7","4","5","2","7","2","6","1") = "6"
    & skf21("7","4","5","2","7","2","7","1") = "6"
    & skf21("7","4","5","2","7","3","1","1") = "6"
    & skf21("7","4","5","2","7","3","2","1") = "6"
    & skf21("7","4","5","2","7","3","3","1") = "6"
    & skf21("7","4","5","2","7","3","4","1") = "6"
    & skf21("7","4","5","2","7","3","5","1") = "6"
    & skf21("7","4","5","2","7","3","6","1") = "6"
    & skf21("7","4","5","2","7","3","7","1") = "6"
    & skf21("7","4","5","2","7","4","1","1") = "6"
    & skf21("7","4","5","2","7","4","2","1") = "6"
    & skf21("7","4","5","2","7","4","3","1") = "6"
    & skf21("7","4","5","2","7","4","4","1") = "6"
    & skf21("7","4","5","2","7","4","5","1") = "6"
    & skf21("7","4","5","2","7","4","6","1") = "6"
    & skf21("7","4","5","2","7","4","7","1") = "6"
    & skf21("7","4","5","2","7","5","1","1") = "6"
    & skf21("7","4","5","2","7","5","2","1") = "6"
    & skf21("7","4","5","2","7","5","3","1") = "6"
    & skf21("7","4","5","2","7","5","4","1") = "6"
    & skf21("7","4","5","2","7","5","5","1") = "6"
    & skf21("7","4","5","2","7","5","6","1") = "6"
    & skf21("7","4","5","2","7","5","7","1") = "6"
    & skf21("7","4","5","2","7","6","1","1") = "6"
    & skf21("7","4","5","2","7","6","2","1") = "6"
    & skf21("7","4","5","2","7","6","3","1") = "6"
    & skf21("7","4","5","2","7","6","4","1") = "6"
    & skf21("7","4","5","2","7","6","5","1") = "6"
    & skf21("7","4","5","2","7","6","6","1") = "6"
    & skf21("7","4","5","2","7","6","7","1") = "6"
    & skf21("7","4","5","2","7","7","1","1") = "6"
    & skf21("7","4","5","2","7","7","2","1") = "6"
    & skf21("7","4","5","2","7","7","3","1") = "6"
    & skf21("7","4","5","2","7","7","4","1") = "6"
    & skf21("7","4","5","2","7","7","5","1") = "6"
    & skf21("7","4","5","2","7","7","6","1") = "6"
    & skf21("7","4","5","2","7","7","7","1") = "6"
    & skf21("7","4","5","3","1","1","1","1") = "6"
    & skf21("7","4","5","3","1","1","2","1") = "6"
    & skf21("7","4","5","3","1","1","3","1") = "6"
    & skf21("7","4","5","3","1","1","4","1") = "6"
    & skf21("7","4","5","3","1","1","5","1") = "6"
    & skf21("7","4","5","3","1","1","6","1") = "6"
    & skf21("7","4","5","3","1","1","7","1") = "6"
    & skf21("7","4","5","3","1","2","1","1") = "6"
    & skf21("7","4","5","3","1","2","2","1") = "6"
    & skf21("7","4","5","3","1","2","3","1") = "6"
    & skf21("7","4","5","3","1","2","4","1") = "6"
    & skf21("7","4","5","3","1","2","5","1") = "6"
    & skf21("7","4","5","3","1","2","6","1") = "6"
    & skf21("7","4","5","3","1","2","7","1") = "6"
    & skf21("7","4","5","3","1","3","1","1") = "6"
    & skf21("7","4","5","3","1","3","2","1") = "6"
    & skf21("7","4","5","3","1","3","3","1") = "6"
    & skf21("7","4","5","3","1","3","4","1") = "6"
    & skf21("7","4","5","3","1","3","5","1") = "6"
    & skf21("7","4","5","3","1","3","6","1") = "6"
    & skf21("7","4","5","3","1","3","7","1") = "6"
    & skf21("7","4","5","3","1","4","1","1") = "6"
    & skf21("7","4","5","3","1","4","2","1") = "6"
    & skf21("7","4","5","3","1","4","3","1") = "6"
    & skf21("7","4","5","3","1","4","4","1") = "6"
    & skf21("7","4","5","3","1","4","5","1") = "6"
    & skf21("7","4","5","3","1","4","6","1") = "6"
    & skf21("7","4","5","3","1","4","7","1") = "6"
    & skf21("7","4","5","3","1","5","1","1") = "6"
    & skf21("7","4","5","3","1","5","2","1") = "6"
    & skf21("7","4","5","3","1","5","3","1") = "6"
    & skf21("7","4","5","3","1","5","4","1") = "6"
    & skf21("7","4","5","3","1","5","5","1") = "6"
    & skf21("7","4","5","3","1","5","6","1") = "6"
    & skf21("7","4","5","3","1","5","7","1") = "6"
    & skf21("7","4","5","3","1","6","1","1") = "6"
    & skf21("7","4","5","3","1","6","2","1") = "6"
    & skf21("7","4","5","3","1","6","3","1") = "6"
    & skf21("7","4","5","3","1","6","4","1") = "6"
    & skf21("7","4","5","3","1","6","5","1") = "6"
    & skf21("7","4","5","3","1","6","6","1") = "6"
    & skf21("7","4","5","3","1","6","7","1") = "6"
    & skf21("7","4","5","3","1","7","1","1") = "6"
    & skf21("7","4","5","3","1","7","2","1") = "6"
    & skf21("7","4","5","3","1","7","3","1") = "6"
    & skf21("7","4","5","3","1","7","4","1") = "6"
    & skf21("7","4","5","3","1","7","5","1") = "6"
    & skf21("7","4","5","3","1","7","6","1") = "6"
    & skf21("7","4","5","3","1","7","7","1") = "6"
    & skf21("7","4","5","3","2","1","1","1") = "6"
    & skf21("7","4","5","3","2","1","2","1") = "6"
    & skf21("7","4","5","3","2","1","3","1") = "6"
    & skf21("7","4","5","3","2","1","4","1") = "6"
    & skf21("7","4","5","3","2","1","5","1") = "6"
    & skf21("7","4","5","3","2","1","6","1") = "6"
    & skf21("7","4","5","3","2","1","7","1") = "6"
    & skf21("7","4","5","3","2","2","1","1") = "6"
    & skf21("7","4","5","3","2","2","2","1") = "6"
    & skf21("7","4","5","3","2","2","3","1") = "6"
    & skf21("7","4","5","3","2","2","4","1") = "6"
    & skf21("7","4","5","3","2","2","5","1") = "6"
    & skf21("7","4","5","3","2","2","6","1") = "6"
    & skf21("7","4","5","3","2","2","7","1") = "6"
    & skf21("7","4","5","3","2","3","1","1") = "6"
    & skf21("7","4","5","3","2","3","2","1") = "6"
    & skf21("7","4","5","3","2","3","3","1") = "6"
    & skf21("7","4","5","3","2","3","4","1") = "6"
    & skf21("7","4","5","3","2","3","5","1") = "6"
    & skf21("7","4","5","3","2","3","6","1") = "6"
    & skf21("7","4","5","3","2","3","7","1") = "6"
    & skf21("7","4","5","3","2","4","1","1") = "6"
    & skf21("7","4","5","3","2","4","2","1") = "6"
    & skf21("7","4","5","3","2","4","3","1") = "6"
    & skf21("7","4","5","3","2","4","4","1") = "6"
    & skf21("7","4","5","3","2","4","5","1") = "6"
    & skf21("7","4","5","3","2","4","6","1") = "6"
    & skf21("7","4","5","3","2","4","7","1") = "6"
    & skf21("7","4","5","3","2","5","1","1") = "6"
    & skf21("7","4","5","3","2","5","2","1") = "6"
    & skf21("7","4","5","3","2","5","3","1") = "6"
    & skf21("7","4","5","3","2","5","4","1") = "6"
    & skf21("7","4","5","3","2","5","5","1") = "6"
    & skf21("7","4","5","3","2","5","6","1") = "6"
    & skf21("7","4","5","3","2","5","7","1") = "6"
    & skf21("7","4","5","3","2","6","1","1") = "6"
    & skf21("7","4","5","3","2","6","2","1") = "6"
    & skf21("7","4","5","3","2","6","3","1") = "6"
    & skf21("7","4","5","3","2","6","4","1") = "6"
    & skf21("7","4","5","3","2","6","5","1") = "6"
    & skf21("7","4","5","3","2","6","6","1") = "6"
    & skf21("7","4","5","3","2","6","7","1") = "6"
    & skf21("7","4","5","3","2","7","1","1") = "6"
    & skf21("7","4","5","3","2","7","2","1") = "6"
    & skf21("7","4","5","3","2","7","3","1") = "6"
    & skf21("7","4","5","3","2","7","4","1") = "6"
    & skf21("7","4","5","3","2","7","5","1") = "6"
    & skf21("7","4","5","3","2","7","6","1") = "6"
    & skf21("7","4","5","3","2","7","7","1") = "6"
    & skf21("7","4","5","3","3","1","1","1") = "6"
    & skf21("7","4","5","3","3","1","2","1") = "6"
    & skf21("7","4","5","3","3","1","3","1") = "6"
    & skf21("7","4","5","3","3","1","4","1") = "6"
    & skf21("7","4","5","3","3","1","5","1") = "6"
    & skf21("7","4","5","3","3","1","6","1") = "6"
    & skf21("7","4","5","3","3","1","7","1") = "6"
    & skf21("7","4","5","3","3","2","1","1") = "6"
    & skf21("7","4","5","3","3","2","2","1") = "6"
    & skf21("7","4","5","3","3","2","3","1") = "6"
    & skf21("7","4","5","3","3","2","4","1") = "6"
    & skf21("7","4","5","3","3","2","5","1") = "6"
    & skf21("7","4","5","3","3","2","6","1") = "6"
    & skf21("7","4","5","3","3","2","7","1") = "6"
    & skf21("7","4","5","3","3","3","1","1") = "6"
    & skf21("7","4","5","3","3","3","2","1") = "6"
    & skf21("7","4","5","3","3","3","3","1") = "6"
    & skf21("7","4","5","3","3","3","4","1") = "6"
    & skf21("7","4","5","3","3","3","5","1") = "6"
    & skf21("7","4","5","3","3","3","6","1") = "6"
    & skf21("7","4","5","3","3","3","7","1") = "6"
    & skf21("7","4","5","3","3","4","1","1") = "6"
    & skf21("7","4","5","3","3","4","2","1") = "6"
    & skf21("7","4","5","3","3","4","3","1") = "6"
    & skf21("7","4","5","3","3","4","4","1") = "6"
    & skf21("7","4","5","3","3","4","5","1") = "6"
    & skf21("7","4","5","3","3","4","6","1") = "6"
    & skf21("7","4","5","3","3","4","7","1") = "6"
    & skf21("7","4","5","3","3","5","1","1") = "6"
    & skf21("7","4","5","3","3","5","2","1") = "6"
    & skf21("7","4","5","3","3","5","3","1") = "6"
    & skf21("7","4","5","3","3","5","4","1") = "6"
    & skf21("7","4","5","3","3","5","5","1") = "6"
    & skf21("7","4","5","3","3","5","6","1") = "6"
    & skf21("7","4","5","3","3","5","7","1") = "6"
    & skf21("7","4","5","3","3","6","1","1") = "6"
    & skf21("7","4","5","3","3","6","2","1") = "6"
    & skf21("7","4","5","3","3","6","3","1") = "6"
    & skf21("7","4","5","3","3","6","4","1") = "6"
    & skf21("7","4","5","3","3","6","5","1") = "6"
    & skf21("7","4","5","3","3","6","6","1") = "6"
    & skf21("7","4","5","3","3","6","7","1") = "6"
    & skf21("7","4","5","3","3","7","1","1") = "6"
    & skf21("7","4","5","3","3","7","2","1") = "6"
    & skf21("7","4","5","3","3","7","3","1") = "6"
    & skf21("7","4","5","3","3","7","4","1") = "6"
    & skf21("7","4","5","3","3","7","5","1") = "6"
    & skf21("7","4","5","3","3","7","6","1") = "6"
    & skf21("7","4","5","3","3","7","7","1") = "6"
    & skf21("7","4","5","3","4","1","1","1") = "6"
    & skf21("7","4","5","3","4","1","2","1") = "6"
    & skf21("7","4","5","3","4","1","3","1") = "6"
    & skf21("7","4","5","3","4","1","4","1") = "6"
    & skf21("7","4","5","3","4","1","5","1") = "6"
    & skf21("7","4","5","3","4","1","6","1") = "6"
    & skf21("7","4","5","3","4","1","7","1") = "6"
    & skf21("7","4","5","3","4","2","1","1") = "6"
    & skf21("7","4","5","3","4","2","2","1") = "6"
    & skf21("7","4","5","3","4","2","3","1") = "6"
    & skf21("7","4","5","3","4","2","4","1") = "6"
    & skf21("7","4","5","3","4","2","5","1") = "6"
    & skf21("7","4","5","3","4","2","6","1") = "6"
    & skf21("7","4","5","3","4","2","7","1") = "6"
    & skf21("7","4","5","3","4","3","1","1") = "6"
    & skf21("7","4","5","3","4","3","2","1") = "6"
    & skf21("7","4","5","3","4","3","3","1") = "6"
    & skf21("7","4","5","3","4","3","4","1") = "6"
    & skf21("7","4","5","3","4","3","5","1") = "6"
    & skf21("7","4","5","3","4","3","6","1") = "6"
    & skf21("7","4","5","3","4","3","7","1") = "6"
    & skf21("7","4","5","3","4","4","1","1") = "6"
    & skf21("7","4","5","3","4","4","2","1") = "6"
    & skf21("7","4","5","3","4","4","3","1") = "6"
    & skf21("7","4","5","3","4","4","4","1") = "6"
    & skf21("7","4","5","3","4","4","5","1") = "6"
    & skf21("7","4","5","3","4","4","6","1") = "6"
    & skf21("7","4","5","3","4","4","7","1") = "6"
    & skf21("7","4","5","3","4","5","1","1") = "6"
    & skf21("7","4","5","3","4","5","2","1") = "6"
    & skf21("7","4","5","3","4","5","3","1") = "6"
    & skf21("7","4","5","3","4","5","4","1") = "6"
    & skf21("7","4","5","3","4","5","5","1") = "6"
    & skf21("7","4","5","3","4","5","6","1") = "6"
    & skf21("7","4","5","3","4","5","7","1") = "6"
    & skf21("7","4","5","3","4","6","1","1") = "6"
    & skf21("7","4","5","3","4","6","2","1") = "6"
    & skf21("7","4","5","3","4","6","3","1") = "6"
    & skf21("7","4","5","3","4","6","4","1") = "6"
    & skf21("7","4","5","3","4","6","5","1") = "6"
    & skf21("7","4","5","3","4","6","6","1") = "6"
    & skf21("7","4","5","3","4","6","7","1") = "6"
    & skf21("7","4","5","3","4","7","1","1") = "6"
    & skf21("7","4","5","3","4","7","2","1") = "6"
    & skf21("7","4","5","3","4","7","3","1") = "6"
    & skf21("7","4","5","3","4","7","4","1") = "6"
    & skf21("7","4","5","3","4","7","5","1") = "6"
    & skf21("7","4","5","3","4","7","6","1") = "6"
    & skf21("7","4","5","3","4","7","7","1") = "6"
    & skf21("7","4","5","3","5","1","1","1") = "6"
    & skf21("7","4","5","3","5","1","2","1") = "6"
    & skf21("7","4","5","3","5","1","3","1") = "6"
    & skf21("7","4","5","3","5","1","4","1") = "6"
    & skf21("7","4","5","3","5","1","5","1") = "6"
    & skf21("7","4","5","3","5","1","6","1") = "6"
    & skf21("7","4","5","3","5","1","7","1") = "6"
    & skf21("7","4","5","3","5","2","1","1") = "6"
    & skf21("7","4","5","3","5","2","2","1") = "6"
    & skf21("7","4","5","3","5","2","3","1") = "6"
    & skf21("7","4","5","3","5","2","4","1") = "6"
    & skf21("7","4","5","3","5","2","5","1") = "6"
    & skf21("7","4","5","3","5","2","6","1") = "6"
    & skf21("7","4","5","3","5","2","7","1") = "6"
    & skf21("7","4","5","3","5","3","1","1") = "6"
    & skf21("7","4","5","3","5","3","2","1") = "6"
    & skf21("7","4","5","3","5","3","3","1") = "6"
    & skf21("7","4","5","3","5","3","4","1") = "6"
    & skf21("7","4","5","3","5","3","5","1") = "6"
    & skf21("7","4","5","3","5","3","6","1") = "6"
    & skf21("7","4","5","3","5","3","7","1") = "6"
    & skf21("7","4","5","3","5","4","1","1") = "6"
    & skf21("7","4","5","3","5","4","2","1") = "6"
    & skf21("7","4","5","3","5","4","3","1") = "6"
    & skf21("7","4","5","3","5","4","4","1") = "6"
    & skf21("7","4","5","3","5","4","5","1") = "6"
    & skf21("7","4","5","3","5","4","6","1") = "6"
    & skf21("7","4","5","3","5","4","7","1") = "6"
    & skf21("7","4","5","3","5","5","1","1") = "6"
    & skf21("7","4","5","3","5","5","2","1") = "6"
    & skf21("7","4","5","3","5","5","3","1") = "6"
    & skf21("7","4","5","3","5","5","4","1") = "6"
    & skf21("7","4","5","3","5","5","5","1") = "6"
    & skf21("7","4","5","3","5","5","6","1") = "6"
    & skf21("7","4","5","3","5","5","7","1") = "6"
    & skf21("7","4","5","3","5","6","1","1") = "6"
    & skf21("7","4","5","3","5","6","2","1") = "6"
    & skf21("7","4","5","3","5","6","3","1") = "6"
    & skf21("7","4","5","3","5","6","4","1") = "6"
    & skf21("7","4","5","3","5","6","5","1") = "6"
    & skf21("7","4","5","3","5","6","6","1") = "6"
    & skf21("7","4","5","3","5","6","7","1") = "6"
    & skf21("7","4","5","3","5","7","1","1") = "6"
    & skf21("7","4","5","3","5","7","2","1") = "6"
    & skf21("7","4","5","3","5","7","3","1") = "6"
    & skf21("7","4","5","3","5","7","4","1") = "6"
    & skf21("7","4","5","3","5","7","5","1") = "6"
    & skf21("7","4","5","3","5","7","6","1") = "6"
    & skf21("7","4","5","3","5","7","7","1") = "6"
    & skf21("7","4","5","3","6","1","1","1") = "6"
    & skf21("7","4","5","3","6","1","2","1") = "6"
    & skf21("7","4","5","3","6","1","3","1") = "6"
    & skf21("7","4","5","3","6","1","4","1") = "6"
    & skf21("7","4","5","3","6","1","5","1") = "6"
    & skf21("7","4","5","3","6","1","6","1") = "6"
    & skf21("7","4","5","3","6","1","7","1") = "6"
    & skf21("7","4","5","3","6","2","1","1") = "6"
    & skf21("7","4","5","3","6","2","2","1") = "6"
    & skf21("7","4","5","3","6","2","3","1") = "6"
    & skf21("7","4","5","3","6","2","4","1") = "6"
    & skf21("7","4","5","3","6","2","5","1") = "6"
    & skf21("7","4","5","3","6","2","6","1") = "6"
    & skf21("7","4","5","3","6","2","7","1") = "6"
    & skf21("7","4","5","3","6","3","1","1") = "6"
    & skf21("7","4","5","3","6","3","2","1") = "6"
    & skf21("7","4","5","3","6","3","3","1") = "6"
    & skf21("7","4","5","3","6","3","4","1") = "6"
    & skf21("7","4","5","3","6","3","5","1") = "6"
    & skf21("7","4","5","3","6","3","6","1") = "6"
    & skf21("7","4","5","3","6","3","7","1") = "6"
    & skf21("7","4","5","3","6","4","1","1") = "6"
    & skf21("7","4","5","3","6","4","2","1") = "6"
    & skf21("7","4","5","3","6","4","3","1") = "6"
    & skf21("7","4","5","3","6","4","4","1") = "6"
    & skf21("7","4","5","3","6","4","5","1") = "6"
    & skf21("7","4","5","3","6","4","6","1") = "6"
    & skf21("7","4","5","3","6","4","7","1") = "6"
    & skf21("7","4","5","3","6","5","1","1") = "6"
    & skf21("7","4","5","3","6","5","2","1") = "6"
    & skf21("7","4","5","3","6","5","3","1") = "6"
    & skf21("7","4","5","3","6","5","4","1") = "6"
    & skf21("7","4","5","3","6","5","5","1") = "6"
    & skf21("7","4","5","3","6","5","6","1") = "6"
    & skf21("7","4","5","3","6","5","7","1") = "6"
    & skf21("7","4","5","3","6","6","1","1") = "6"
    & skf21("7","4","5","3","6","6","2","1") = "6"
    & skf21("7","4","5","3","6","6","3","1") = "6"
    & skf21("7","4","5","3","6","6","4","1") = "6"
    & skf21("7","4","5","3","6","6","5","1") = "6"
    & skf21("7","4","5","3","6","6","6","1") = "6"
    & skf21("7","4","5","3","6","6","7","1") = "6"
    & skf21("7","4","5","3","6","7","1","1") = "6"
    & skf21("7","4","5","3","6","7","2","1") = "6"
    & skf21("7","4","5","3","6","7","3","1") = "6"
    & skf21("7","4","5","3","6","7","4","1") = "6"
    & skf21("7","4","5","3","6","7","5","1") = "6"
    & skf21("7","4","5","3","6","7","6","1") = "6"
    & skf21("7","4","5","3","6","7","7","1") = "6"
    & skf21("7","4","5","3","7","1","1","1") = "6"
    & skf21("7","4","5","3","7","1","2","1") = "6"
    & skf21("7","4","5","3","7","1","3","1") = "6"
    & skf21("7","4","5","3","7","1","4","1") = "6"
    & skf21("7","4","5","3","7","1","5","1") = "6"
    & skf21("7","4","5","3","7","1","6","1") = "6"
    & skf21("7","4","5","3","7","1","7","1") = "6"
    & skf21("7","4","5","3","7","2","1","1") = "6"
    & skf21("7","4","5","3","7","2","2","1") = "6"
    & skf21("7","4","5","3","7","2","3","1") = "6"
    & skf21("7","4","5","3","7","2","4","1") = "6"
    & skf21("7","4","5","3","7","2","5","1") = "6"
    & skf21("7","4","5","3","7","2","6","1") = "6"
    & skf21("7","4","5","3","7","2","7","1") = "6"
    & skf21("7","4","5","3","7","3","1","1") = "6"
    & skf21("7","4","5","3","7","3","2","1") = "6"
    & skf21("7","4","5","3","7","3","3","1") = "6"
    & skf21("7","4","5","3","7","3","4","1") = "6"
    & skf21("7","4","5","3","7","3","5","1") = "6"
    & skf21("7","4","5","3","7","3","6","1") = "6"
    & skf21("7","4","5","3","7","3","7","1") = "6"
    & skf21("7","4","5","3","7","4","1","1") = "6"
    & skf21("7","4","5","3","7","4","2","1") = "6"
    & skf21("7","4","5","3","7","4","3","1") = "6"
    & skf21("7","4","5","3","7","4","4","1") = "6"
    & skf21("7","4","5","3","7","4","5","1") = "6"
    & skf21("7","4","5","3","7","4","6","1") = "6"
    & skf21("7","4","5","3","7","4","7","1") = "6"
    & skf21("7","4","5","3","7","5","1","1") = "6"
    & skf21("7","4","5","3","7","5","2","1") = "6"
    & skf21("7","4","5","3","7","5","3","1") = "6"
    & skf21("7","4","5","3","7","5","4","1") = "6"
    & skf21("7","4","5","3","7","5","5","1") = "6"
    & skf21("7","4","5","3","7","5","6","1") = "6"
    & skf21("7","4","5","3","7","5","7","1") = "6"
    & skf21("7","4","5","3","7","6","1","1") = "6"
    & skf21("7","4","5","3","7","6","2","1") = "6"
    & skf21("7","4","5","3","7","6","3","1") = "6"
    & skf21("7","4","5","3","7","6","4","1") = "6"
    & skf21("7","4","5","3","7","6","5","1") = "6"
    & skf21("7","4","5","3","7","6","6","1") = "6"
    & skf21("7","4","5","3","7","6","7","1") = "6"
    & skf21("7","4","5","3","7","7","1","1") = "6"
    & skf21("7","4","5","3","7","7","2","1") = "6"
    & skf21("7","4","5","3","7","7","3","1") = "6"
    & skf21("7","4","5","3","7","7","4","1") = "6"
    & skf21("7","4","5","3","7","7","5","1") = "6"
    & skf21("7","4","5","3","7","7","6","1") = "6"
    & skf21("7","4","5","3","7","7","7","1") = "6"
    & skf21("7","4","5","4","1","1","1","1") = "6"
    & skf21("7","4","5","4","1","1","2","1") = "6"
    & skf21("7","4","5","4","1","1","3","1") = "6"
    & skf21("7","4","5","4","1","1","4","1") = "6"
    & skf21("7","4","5","4","1","1","5","1") = "6"
    & skf21("7","4","5","4","1","1","6","1") = "6"
    & skf21("7","4","5","4","1","1","7","1") = "6"
    & skf21("7","4","5","4","1","2","1","1") = "6"
    & skf21("7","4","5","4","1","2","2","1") = "6"
    & skf21("7","4","5","4","1","2","3","1") = "6"
    & skf21("7","4","5","4","1","2","4","1") = "6"
    & skf21("7","4","5","4","1","2","5","1") = "6"
    & skf21("7","4","5","4","1","2","6","1") = "6"
    & skf21("7","4","5","4","1","2","7","1") = "6"
    & skf21("7","4","5","4","1","3","1","1") = "6"
    & skf21("7","4","5","4","1","3","2","1") = "6"
    & skf21("7","4","5","4","1","3","3","1") = "6"
    & skf21("7","4","5","4","1","3","4","1") = "6"
    & skf21("7","4","5","4","1","3","5","1") = "6"
    & skf21("7","4","5","4","1","3","6","1") = "6"
    & skf21("7","4","5","4","1","3","7","1") = "6"
    & skf21("7","4","5","4","1","4","1","1") = "6"
    & skf21("7","4","5","4","1","4","2","1") = "6"
    & skf21("7","4","5","4","1","4","3","1") = "6"
    & skf21("7","4","5","4","1","4","4","1") = "6"
    & skf21("7","4","5","4","1","4","5","1") = "6"
    & skf21("7","4","5","4","1","4","6","1") = "6"
    & skf21("7","4","5","4","1","4","7","1") = "6"
    & skf21("7","4","5","4","1","5","1","1") = "6"
    & skf21("7","4","5","4","1","5","2","1") = "6"
    & skf21("7","4","5","4","1","5","3","1") = "6"
    & skf21("7","4","5","4","1","5","4","1") = "6"
    & skf21("7","4","5","4","1","5","5","1") = "6"
    & skf21("7","4","5","4","1","5","6","1") = "6"
    & skf21("7","4","5","4","1","5","7","1") = "6"
    & skf21("7","4","5","4","1","6","1","1") = "6"
    & skf21("7","4","5","4","1","6","2","1") = "6"
    & skf21("7","4","5","4","1","6","3","1") = "6"
    & skf21("7","4","5","4","1","6","4","1") = "6"
    & skf21("7","4","5","4","1","6","5","1") = "6"
    & skf21("7","4","5","4","1","6","6","1") = "6"
    & skf21("7","4","5","4","1","6","7","1") = "6"
    & skf21("7","4","5","4","1","7","1","1") = "6"
    & skf21("7","4","5","4","1","7","2","1") = "6"
    & skf21("7","4","5","4","1","7","3","1") = "6"
    & skf21("7","4","5","4","1","7","4","1") = "6"
    & skf21("7","4","5","4","1","7","5","1") = "6"
    & skf21("7","4","5","4","1","7","6","1") = "6"
    & skf21("7","4","5","4","1","7","7","1") = "6"
    & skf21("7","4","5","4","2","1","1","1") = "6"
    & skf21("7","4","5","4","2","1","2","1") = "6"
    & skf21("7","4","5","4","2","1","3","1") = "6"
    & skf21("7","4","5","4","2","1","4","1") = "6"
    & skf21("7","4","5","4","2","1","5","1") = "6"
    & skf21("7","4","5","4","2","1","6","1") = "6"
    & skf21("7","4","5","4","2","1","7","1") = "6"
    & skf21("7","4","5","4","2","2","1","1") = "6"
    & skf21("7","4","5","4","2","2","2","1") = "6"
    & skf21("7","4","5","4","2","2","3","1") = "6"
    & skf21("7","4","5","4","2","2","4","1") = "6"
    & skf21("7","4","5","4","2","2","5","1") = "6"
    & skf21("7","4","5","4","2","2","6","1") = "6"
    & skf21("7","4","5","4","2","2","7","1") = "6"
    & skf21("7","4","5","4","2","3","1","1") = "6"
    & skf21("7","4","5","4","2","3","2","1") = "6"
    & skf21("7","4","5","4","2","3","3","1") = "6"
    & skf21("7","4","5","4","2","3","4","1") = "6"
    & skf21("7","4","5","4","2","3","5","1") = "6"
    & skf21("7","4","5","4","2","3","6","1") = "6"
    & skf21("7","4","5","4","2","3","7","1") = "6"
    & skf21("7","4","5","4","2","4","1","1") = "6"
    & skf21("7","4","5","4","2","4","2","1") = "6"
    & skf21("7","4","5","4","2","4","3","1") = "6"
    & skf21("7","4","5","4","2","4","4","1") = "6"
    & skf21("7","4","5","4","2","4","5","1") = "6"
    & skf21("7","4","5","4","2","4","6","1") = "6"
    & skf21("7","4","5","4","2","4","7","1") = "6"
    & skf21("7","4","5","4","2","5","1","1") = "6"
    & skf21("7","4","5","4","2","5","2","1") = "6"
    & skf21("7","4","5","4","2","5","3","1") = "6"
    & skf21("7","4","5","4","2","5","4","1") = "6"
    & skf21("7","4","5","4","2","5","5","1") = "6"
    & skf21("7","4","5","4","2","5","6","1") = "6"
    & skf21("7","4","5","4","2","5","7","1") = "6"
    & skf21("7","4","5","4","2","6","1","1") = "6"
    & skf21("7","4","5","4","2","6","2","1") = "6"
    & skf21("7","4","5","4","2","6","3","1") = "6"
    & skf21("7","4","5","4","2","6","4","1") = "6"
    & skf21("7","4","5","4","2","6","5","1") = "6"
    & skf21("7","4","5","4","2","6","6","1") = "6"
    & skf21("7","4","5","4","2","6","7","1") = "6"
    & skf21("7","4","5","4","2","7","1","1") = "6"
    & skf21("7","4","5","4","2","7","2","1") = "6"
    & skf21("7","4","5","4","2","7","3","1") = "6"
    & skf21("7","4","5","4","2","7","4","1") = "6"
    & skf21("7","4","5","4","2","7","5","1") = "6"
    & skf21("7","4","5","4","2","7","6","1") = "6"
    & skf21("7","4","5","4","2","7","7","1") = "6"
    & skf21("7","4","5","4","3","1","1","1") = "6"
    & skf21("7","4","5","4","3","1","2","1") = "6"
    & skf21("7","4","5","4","3","1","3","1") = "6"
    & skf21("7","4","5","4","3","1","4","1") = "6"
    & skf21("7","4","5","4","3","1","5","1") = "6"
    & skf21("7","4","5","4","3","1","6","1") = "6"
    & skf21("7","4","5","4","3","1","7","1") = "6"
    & skf21("7","4","5","4","3","2","1","1") = "6"
    & skf21("7","4","5","4","3","2","2","1") = "6"
    & skf21("7","4","5","4","3","2","3","1") = "6"
    & skf21("7","4","5","4","3","2","4","1") = "6"
    & skf21("7","4","5","4","3","2","5","1") = "6"
    & skf21("7","4","5","4","3","2","6","1") = "6"
    & skf21("7","4","5","4","3","2","7","1") = "6"
    & skf21("7","4","5","4","3","3","1","1") = "6"
    & skf21("7","4","5","4","3","3","2","1") = "6"
    & skf21("7","4","5","4","3","3","3","1") = "6"
    & skf21("7","4","5","4","3","3","4","1") = "6"
    & skf21("7","4","5","4","3","3","5","1") = "6"
    & skf21("7","4","5","4","3","3","6","1") = "6"
    & skf21("7","4","5","4","3","3","7","1") = "6"
    & skf21("7","4","5","4","3","4","1","1") = "6"
    & skf21("7","4","5","4","3","4","2","1") = "6"
    & skf21("7","4","5","4","3","4","3","1") = "6"
    & skf21("7","4","5","4","3","4","4","1") = "6"
    & skf21("7","4","5","4","3","4","5","1") = "6"
    & skf21("7","4","5","4","3","4","6","1") = "6"
    & skf21("7","4","5","4","3","4","7","1") = "6"
    & skf21("7","4","5","4","3","5","1","1") = "6"
    & skf21("7","4","5","4","3","5","2","1") = "6"
    & skf21("7","4","5","4","3","5","3","1") = "6"
    & skf21("7","4","5","4","3","5","4","1") = "6"
    & skf21("7","4","5","4","3","5","5","1") = "6"
    & skf21("7","4","5","4","3","5","6","1") = "6"
    & skf21("7","4","5","4","3","5","7","1") = "6"
    & skf21("7","4","5","4","3","6","1","1") = "6"
    & skf21("7","4","5","4","3","6","2","1") = "6"
    & skf21("7","4","5","4","3","6","3","1") = "6"
    & skf21("7","4","5","4","3","6","4","1") = "6"
    & skf21("7","4","5","4","3","6","5","1") = "6"
    & skf21("7","4","5","4","3","6","6","1") = "6"
    & skf21("7","4","5","4","3","6","7","1") = "6"
    & skf21("7","4","5","4","3","7","1","1") = "6"
    & skf21("7","4","5","4","3","7","2","1") = "6"
    & skf21("7","4","5","4","3","7","3","1") = "6"
    & skf21("7","4","5","4","3","7","4","1") = "6"
    & skf21("7","4","5","4","3","7","5","1") = "6"
    & skf21("7","4","5","4","3","7","6","1") = "6"
    & skf21("7","4","5","4","3","7","7","1") = "6"
    & skf21("7","4","5","4","4","1","1","1") = "6"
    & skf21("7","4","5","4","4","1","2","1") = "6"
    & skf21("7","4","5","4","4","1","3","1") = "6"
    & skf21("7","4","5","4","4","1","4","1") = "6"
    & skf21("7","4","5","4","4","1","5","1") = "6"
    & skf21("7","4","5","4","4","1","6","1") = "6"
    & skf21("7","4","5","4","4","1","7","1") = "6"
    & skf21("7","4","5","4","4","2","1","1") = "6"
    & skf21("7","4","5","4","4","2","2","1") = "6"
    & skf21("7","4","5","4","4","2","3","1") = "6"
    & skf21("7","4","5","4","4","2","4","1") = "6"
    & skf21("7","4","5","4","4","2","5","1") = "6"
    & skf21("7","4","5","4","4","2","6","1") = "6"
    & skf21("7","4","5","4","4","2","7","1") = "6"
    & skf21("7","4","5","4","4","3","1","1") = "6"
    & skf21("7","4","5","4","4","3","2","1") = "6"
    & skf21("7","4","5","4","4","3","3","1") = "6"
    & skf21("7","4","5","4","4","3","4","1") = "6"
    & skf21("7","4","5","4","4","3","5","1") = "6"
    & skf21("7","4","5","4","4","3","6","1") = "6"
    & skf21("7","4","5","4","4","3","7","1") = "6"
    & skf21("7","4","5","4","4","4","1","1") = "6"
    & skf21("7","4","5","4","4","4","2","1") = "6"
    & skf21("7","4","5","4","4","4","3","1") = "6"
    & skf21("7","4","5","4","4","4","4","1") = "6"
    & skf21("7","4","5","4","4","4","5","1") = "6"
    & skf21("7","4","5","4","4","4","6","1") = "6"
    & skf21("7","4","5","4","4","4","7","1") = "6"
    & skf21("7","4","5","4","4","5","1","1") = "6"
    & skf21("7","4","5","4","4","5","2","1") = "6"
    & skf21("7","4","5","4","4","5","3","1") = "6"
    & skf21("7","4","5","4","4","5","4","1") = "6"
    & skf21("7","4","5","4","4","5","5","1") = "6"
    & skf21("7","4","5","4","4","5","6","1") = "6"
    & skf21("7","4","5","4","4","5","7","1") = "6"
    & skf21("7","4","5","4","4","6","1","1") = "6"
    & skf21("7","4","5","4","4","6","2","1") = "6"
    & skf21("7","4","5","4","4","6","3","1") = "6"
    & skf21("7","4","5","4","4","6","4","1") = "6"
    & skf21("7","4","5","4","4","6","5","1") = "6"
    & skf21("7","4","5","4","4","6","6","1") = "6"
    & skf21("7","4","5","4","4","6","7","1") = "6"
    & skf21("7","4","5","4","4","7","1","1") = "6"
    & skf21("7","4","5","4","4","7","2","1") = "6"
    & skf21("7","4","5","4","4","7","3","1") = "6"
    & skf21("7","4","5","4","4","7","4","1") = "6"
    & skf21("7","4","5","4","4","7","5","1") = "6"
    & skf21("7","4","5","4","4","7","6","1") = "6"
    & skf21("7","4","5","4","4","7","7","1") = "6"
    & skf21("7","4","5","4","5","1","1","1") = "6"
    & skf21("7","4","5","4","5","1","2","1") = "6"
    & skf21("7","4","5","4","5","1","3","1") = "6"
    & skf21("7","4","5","4","5","1","4","1") = "6"
    & skf21("7","4","5","4","5","1","5","1") = "6"
    & skf21("7","4","5","4","5","1","6","1") = "6"
    & skf21("7","4","5","4","5","1","7","1") = "6"
    & skf21("7","4","5","4","5","2","1","1") = "6"
    & skf21("7","4","5","4","5","2","2","1") = "6"
    & skf21("7","4","5","4","5","2","3","1") = "6"
    & skf21("7","4","5","4","5","2","4","1") = "6"
    & skf21("7","4","5","4","5","2","5","1") = "6"
    & skf21("7","4","5","4","5","2","6","1") = "6"
    & skf21("7","4","5","4","5","2","7","1") = "6"
    & skf21("7","4","5","4","5","3","1","1") = "6"
    & skf21("7","4","5","4","5","3","2","1") = "6"
    & skf21("7","4","5","4","5","3","3","1") = "6"
    & skf21("7","4","5","4","5","3","4","1") = "6"
    & skf21("7","4","5","4","5","3","5","1") = "6"
    & skf21("7","4","5","4","5","3","6","1") = "6"
    & skf21("7","4","5","4","5","3","7","1") = "6"
    & skf21("7","4","5","4","5","4","1","1") = "6"
    & skf21("7","4","5","4","5","4","2","1") = "6"
    & skf21("7","4","5","4","5","4","3","1") = "6"
    & skf21("7","4","5","4","5","4","4","1") = "6"
    & skf21("7","4","5","4","5","4","5","1") = "6"
    & skf21("7","4","5","4","5","4","6","1") = "6"
    & skf21("7","4","5","4","5","4","7","1") = "6"
    & skf21("7","4","5","4","5","5","1","1") = "6"
    & skf21("7","4","5","4","5","5","2","1") = "6"
    & skf21("7","4","5","4","5","5","3","1") = "6"
    & skf21("7","4","5","4","5","5","4","1") = "6"
    & skf21("7","4","5","4","5","5","5","1") = "6"
    & skf21("7","4","5","4","5","5","6","1") = "6"
    & skf21("7","4","5","4","5","5","7","1") = "6"
    & skf21("7","4","5","4","5","6","1","1") = "6"
    & skf21("7","4","5","4","5","6","2","1") = "6"
    & skf21("7","4","5","4","5","6","3","1") = "6"
    & skf21("7","4","5","4","5","6","4","1") = "6"
    & skf21("7","4","5","4","5","6","5","1") = "6"
    & skf21("7","4","5","4","5","6","6","1") = "6"
    & skf21("7","4","5","4","5","6","7","1") = "6"
    & skf21("7","4","5","4","5","7","1","1") = "6"
    & skf21("7","4","5","4","5","7","2","1") = "6"
    & skf21("7","4","5","4","5","7","3","1") = "6"
    & skf21("7","4","5","4","5","7","4","1") = "6"
    & skf21("7","4","5","4","5","7","5","1") = "6"
    & skf21("7","4","5","4","5","7","6","1") = "6"
    & skf21("7","4","5","4","5","7","7","1") = "6"
    & skf21("7","4","5","4","6","1","1","1") = "6"
    & skf21("7","4","5","4","6","1","2","1") = "6"
    & skf21("7","4","5","4","6","1","3","1") = "6"
    & skf21("7","4","5","4","6","1","4","1") = "6"
    & skf21("7","4","5","4","6","1","5","1") = "6"
    & skf21("7","4","5","4","6","1","6","1") = "6"
    & skf21("7","4","5","4","6","1","7","1") = "6"
    & skf21("7","4","5","4","6","2","1","1") = "6"
    & skf21("7","4","5","4","6","2","2","1") = "6"
    & skf21("7","4","5","4","6","2","3","1") = "6"
    & skf21("7","4","5","4","6","2","4","1") = "6"
    & skf21("7","4","5","4","6","2","5","1") = "6"
    & skf21("7","4","5","4","6","2","6","1") = "6"
    & skf21("7","4","5","4","6","2","7","1") = "6"
    & skf21("7","4","5","4","6","3","1","1") = "6"
    & skf21("7","4","5","4","6","3","2","1") = "6"
    & skf21("7","4","5","4","6","3","3","1") = "6"
    & skf21("7","4","5","4","6","3","4","1") = "6"
    & skf21("7","4","5","4","6","3","5","1") = "6"
    & skf21("7","4","5","4","6","3","6","1") = "6"
    & skf21("7","4","5","4","6","3","7","1") = "6"
    & skf21("7","4","5","4","6","4","1","1") = "6"
    & skf21("7","4","5","4","6","4","2","1") = "6"
    & skf21("7","4","5","4","6","4","3","1") = "6"
    & skf21("7","4","5","4","6","4","4","1") = "6"
    & skf21("7","4","5","4","6","4","5","1") = "6"
    & skf21("7","4","5","4","6","4","6","1") = "6"
    & skf21("7","4","5","4","6","4","7","1") = "6"
    & skf21("7","4","5","4","6","5","1","1") = "6"
    & skf21("7","4","5","4","6","5","2","1") = "6"
    & skf21("7","4","5","4","6","5","3","1") = "6"
    & skf21("7","4","5","4","6","5","4","1") = "6"
    & skf21("7","4","5","4","6","5","5","1") = "6"
    & skf21("7","4","5","4","6","5","6","1") = "6"
    & skf21("7","4","5","4","6","5","7","1") = "6"
    & skf21("7","4","5","4","6","6","1","1") = "6"
    & skf21("7","4","5","4","6","6","2","1") = "6"
    & skf21("7","4","5","4","6","6","3","1") = "6"
    & skf21("7","4","5","4","6","6","4","1") = "6"
    & skf21("7","4","5","4","6","6","5","1") = "6"
    & skf21("7","4","5","4","6","6","6","1") = "6"
    & skf21("7","4","5","4","6","6","7","1") = "6"
    & skf21("7","4","5","4","6","7","1","1") = "6"
    & skf21("7","4","5","4","6","7","2","1") = "6"
    & skf21("7","4","5","4","6","7","3","1") = "6"
    & skf21("7","4","5","4","6","7","4","1") = "6"
    & skf21("7","4","5","4","6","7","5","1") = "6"
    & skf21("7","4","5","4","6","7","6","1") = "6"
    & skf21("7","4","5","4","6","7","7","1") = "6"
    & skf21("7","4","5","4","7","1","1","1") = "6"
    & skf21("7","4","5","4","7","1","2","1") = "6"
    & skf21("7","4","5","4","7","1","3","1") = "6"
    & skf21("7","4","5","4","7","1","4","1") = "6"
    & skf21("7","4","5","4","7","1","5","1") = "6"
    & skf21("7","4","5","4","7","1","6","1") = "6"
    & skf21("7","4","5","4","7","1","7","1") = "6"
    & skf21("7","4","5","4","7","2","1","1") = "6"
    & skf21("7","4","5","4","7","2","2","1") = "6"
    & skf21("7","4","5","4","7","2","3","1") = "6"
    & skf21("7","4","5","4","7","2","4","1") = "6"
    & skf21("7","4","5","4","7","2","5","1") = "6"
    & skf21("7","4","5","4","7","2","6","1") = "6"
    & skf21("7","4","5","4","7","2","7","1") = "6"
    & skf21("7","4","5","4","7","3","1","1") = "6"
    & skf21("7","4","5","4","7","3","2","1") = "6"
    & skf21("7","4","5","4","7","3","3","1") = "6"
    & skf21("7","4","5","4","7","3","4","1") = "6"
    & skf21("7","4","5","4","7","3","5","1") = "6"
    & skf21("7","4","5","4","7","3","6","1") = "6"
    & skf21("7","4","5","4","7","3","7","1") = "6"
    & skf21("7","4","5","4","7","4","1","1") = "6"
    & skf21("7","4","5","4","7","4","2","1") = "6"
    & skf21("7","4","5","4","7","4","3","1") = "6"
    & skf21("7","4","5","4","7","4","4","1") = "6"
    & skf21("7","4","5","4","7","4","5","1") = "6"
    & skf21("7","4","5","4","7","4","6","1") = "6"
    & skf21("7","4","5","4","7","4","7","1") = "6"
    & skf21("7","4","5","4","7","5","1","1") = "6"
    & skf21("7","4","5","4","7","5","2","1") = "6"
    & skf21("7","4","5","4","7","5","3","1") = "6"
    & skf21("7","4","5","4","7","5","4","1") = "6"
    & skf21("7","4","5","4","7","5","5","1") = "6"
    & skf21("7","4","5","4","7","5","6","1") = "6"
    & skf21("7","4","5","4","7","5","7","1") = "6"
    & skf21("7","4","5","4","7","6","1","1") = "6"
    & skf21("7","4","5","4","7","6","2","1") = "6"
    & skf21("7","4","5","4","7","6","3","1") = "6"
    & skf21("7","4","5","4","7","6","4","1") = "6"
    & skf21("7","4","5","4","7","6","5","1") = "6"
    & skf21("7","4","5","4","7","6","6","1") = "6"
    & skf21("7","4","5","4","7","6","7","1") = "6"
    & skf21("7","4","5","4","7","7","1","1") = "6"
    & skf21("7","4","5","4","7","7","2","1") = "6"
    & skf21("7","4","5","4","7","7","3","1") = "6"
    & skf21("7","4","5","4","7","7","4","1") = "6"
    & skf21("7","4","5","4","7","7","5","1") = "6"
    & skf21("7","4","5","4","7","7","6","1") = "6"
    & skf21("7","4","5","4","7","7","7","1") = "6"
    & skf21("7","4","5","5","1","1","1","1") = "6"
    & skf21("7","4","5","5","1","1","2","1") = "6"
    & skf21("7","4","5","5","1","1","3","1") = "6"
    & skf21("7","4","5","5","1","1","4","1") = "6"
    & skf21("7","4","5","5","1","1","5","1") = "6"
    & skf21("7","4","5","5","1","1","6","1") = "6"
    & skf21("7","4","5","5","1","1","7","1") = "6"
    & skf21("7","4","5","5","1","2","1","1") = "6"
    & skf21("7","4","5","5","1","2","2","1") = "6"
    & skf21("7","4","5","5","1","2","3","1") = "6"
    & skf21("7","4","5","5","1","2","4","1") = "6"
    & skf21("7","4","5","5","1","2","5","1") = "6"
    & skf21("7","4","5","5","1","2","6","1") = "6"
    & skf21("7","4","5","5","1","2","7","1") = "6"
    & skf21("7","4","5","5","1","3","1","1") = "6"
    & skf21("7","4","5","5","1","3","2","1") = "6"
    & skf21("7","4","5","5","1","3","3","1") = "6"
    & skf21("7","4","5","5","1","3","4","1") = "6"
    & skf21("7","4","5","5","1","3","5","1") = "6"
    & skf21("7","4","5","5","1","3","6","1") = "6"
    & skf21("7","4","5","5","1","3","7","1") = "6"
    & skf21("7","4","5","5","1","4","1","1") = "6"
    & skf21("7","4","5","5","1","4","2","1") = "6"
    & skf21("7","4","5","5","1","4","3","1") = "6"
    & skf21("7","4","5","5","1","4","4","1") = "6"
    & skf21("7","4","5","5","1","4","5","1") = "6"
    & skf21("7","4","5","5","1","4","6","1") = "6"
    & skf21("7","4","5","5","1","4","7","1") = "6"
    & skf21("7","4","5","5","1","5","1","1") = "6"
    & skf21("7","4","5","5","1","5","2","1") = "6"
    & skf21("7","4","5","5","1","5","3","1") = "6"
    & skf21("7","4","5","5","1","5","4","1") = "6"
    & skf21("7","4","5","5","1","5","5","1") = "6"
    & skf21("7","4","5","5","1","5","6","1") = "6"
    & skf21("7","4","5","5","1","5","7","1") = "6"
    & skf21("7","4","5","5","1","6","1","1") = "6"
    & skf21("7","4","5","5","1","6","2","1") = "6"
    & skf21("7","4","5","5","1","6","3","1") = "6"
    & skf21("7","4","5","5","1","6","4","1") = "6"
    & skf21("7","4","5","5","1","6","5","1") = "6"
    & skf21("7","4","5","5","1","6","6","1") = "6"
    & skf21("7","4","5","5","1","6","7","1") = "6"
    & skf21("7","4","5","5","1","7","1","1") = "6"
    & skf21("7","4","5","5","1","7","2","1") = "6"
    & skf21("7","4","5","5","1","7","3","1") = "6"
    & skf21("7","4","5","5","1","7","4","1") = "6"
    & skf21("7","4","5","5","1","7","5","1") = "6"
    & skf21("7","4","5","5","1","7","6","1") = "6"
    & skf21("7","4","5","5","1","7","7","1") = "6"
    & skf21("7","4","5","5","2","1","1","1") = "6"
    & skf21("7","4","5","5","2","1","2","1") = "6"
    & skf21("7","4","5","5","2","1","3","1") = "6"
    & skf21("7","4","5","5","2","1","4","1") = "6"
    & skf21("7","4","5","5","2","1","5","1") = "6"
    & skf21("7","4","5","5","2","1","6","1") = "6"
    & skf21("7","4","5","5","2","1","7","1") = "6"
    & skf21("7","4","5","5","2","2","1","1") = "6"
    & skf21("7","4","5","5","2","2","2","1") = "6"
    & skf21("7","4","5","5","2","2","3","1") = "6"
    & skf21("7","4","5","5","2","2","4","1") = "6"
    & skf21("7","4","5","5","2","2","5","1") = "6"
    & skf21("7","4","5","5","2","2","6","1") = "6"
    & skf21("7","4","5","5","2","2","7","1") = "6"
    & skf21("7","4","5","5","2","3","1","1") = "6"
    & skf21("7","4","5","5","2","3","2","1") = "6"
    & skf21("7","4","5","5","2","3","3","1") = "6"
    & skf21("7","4","5","5","2","3","4","1") = "6"
    & skf21("7","4","5","5","2","3","5","1") = "6"
    & skf21("7","4","5","5","2","3","6","1") = "6"
    & skf21("7","4","5","5","2","3","7","1") = "6"
    & skf21("7","4","5","5","2","4","1","1") = "6"
    & skf21("7","4","5","5","2","4","2","1") = "6"
    & skf21("7","4","5","5","2","4","3","1") = "6"
    & skf21("7","4","5","5","2","4","4","1") = "6"
    & skf21("7","4","5","5","2","4","5","1") = "6"
    & skf21("7","4","5","5","2","4","6","1") = "6"
    & skf21("7","4","5","5","2","4","7","1") = "6"
    & skf21("7","4","5","5","2","5","1","1") = "6"
    & skf21("7","4","5","5","2","5","2","1") = "6"
    & skf21("7","4","5","5","2","5","3","1") = "6"
    & skf21("7","4","5","5","2","5","4","1") = "6"
    & skf21("7","4","5","5","2","5","5","1") = "6"
    & skf21("7","4","5","5","2","5","6","1") = "6"
    & skf21("7","4","5","5","2","5","7","1") = "6"
    & skf21("7","4","5","5","2","6","1","1") = "6"
    & skf21("7","4","5","5","2","6","2","1") = "6"
    & skf21("7","4","5","5","2","6","3","1") = "6"
    & skf21("7","4","5","5","2","6","4","1") = "6"
    & skf21("7","4","5","5","2","6","5","1") = "6"
    & skf21("7","4","5","5","2","6","6","1") = "6"
    & skf21("7","4","5","5","2","6","7","1") = "6"
    & skf21("7","4","5","5","2","7","1","1") = "6"
    & skf21("7","4","5","5","2","7","2","1") = "6"
    & skf21("7","4","5","5","2","7","3","1") = "6"
    & skf21("7","4","5","5","2","7","4","1") = "6"
    & skf21("7","4","5","5","2","7","5","1") = "6"
    & skf21("7","4","5","5","2","7","6","1") = "6"
    & skf21("7","4","5","5","2","7","7","1") = "6"
    & skf21("7","4","5","5","3","1","1","1") = "6"
    & skf21("7","4","5","5","3","1","2","1") = "6"
    & skf21("7","4","5","5","3","1","3","1") = "6"
    & skf21("7","4","5","5","3","1","4","1") = "6"
    & skf21("7","4","5","5","3","1","5","1") = "6"
    & skf21("7","4","5","5","3","1","6","1") = "6"
    & skf21("7","4","5","5","3","1","7","1") = "6"
    & skf21("7","4","5","5","3","2","1","1") = "6"
    & skf21("7","4","5","5","3","2","2","1") = "6"
    & skf21("7","4","5","5","3","2","3","1") = "6"
    & skf21("7","4","5","5","3","2","4","1") = "6"
    & skf21("7","4","5","5","3","2","5","1") = "6"
    & skf21("7","4","5","5","3","2","6","1") = "6"
    & skf21("7","4","5","5","3","2","7","1") = "6"
    & skf21("7","4","5","5","3","3","1","1") = "6"
    & skf21("7","4","5","5","3","3","2","1") = "6"
    & skf21("7","4","5","5","3","3","3","1") = "6"
    & skf21("7","4","5","5","3","3","4","1") = "6"
    & skf21("7","4","5","5","3","3","5","1") = "6"
    & skf21("7","4","5","5","3","3","6","1") = "6"
    & skf21("7","4","5","5","3","3","7","1") = "6"
    & skf21("7","4","5","5","3","4","1","1") = "6"
    & skf21("7","4","5","5","3","4","2","1") = "6"
    & skf21("7","4","5","5","3","4","3","1") = "6"
    & skf21("7","4","5","5","3","4","4","1") = "6"
    & skf21("7","4","5","5","3","4","5","1") = "6"
    & skf21("7","4","5","5","3","4","6","1") = "6"
    & skf21("7","4","5","5","3","4","7","1") = "6"
    & skf21("7","4","5","5","3","5","1","1") = "6"
    & skf21("7","4","5","5","3","5","2","1") = "6"
    & skf21("7","4","5","5","3","5","3","1") = "6"
    & skf21("7","4","5","5","3","5","4","1") = "6"
    & skf21("7","4","5","5","3","5","5","1") = "6"
    & skf21("7","4","5","5","3","5","6","1") = "6"
    & skf21("7","4","5","5","3","5","7","1") = "6"
    & skf21("7","4","5","5","3","6","1","1") = "6"
    & skf21("7","4","5","5","3","6","2","1") = "6"
    & skf21("7","4","5","5","3","6","3","1") = "6"
    & skf21("7","4","5","5","3","6","4","1") = "6"
    & skf21("7","4","5","5","3","6","5","1") = "6"
    & skf21("7","4","5","5","3","6","6","1") = "6"
    & skf21("7","4","5","5","3","6","7","1") = "6"
    & skf21("7","4","5","5","3","7","1","1") = "6"
    & skf21("7","4","5","5","3","7","2","1") = "6"
    & skf21("7","4","5","5","3","7","3","1") = "6"
    & skf21("7","4","5","5","3","7","4","1") = "6"
    & skf21("7","4","5","5","3","7","5","1") = "6"
    & skf21("7","4","5","5","3","7","6","1") = "6"
    & skf21("7","4","5","5","3","7","7","1") = "6"
    & skf21("7","4","5","5","4","1","1","1") = "6"
    & skf21("7","4","5","5","4","1","2","1") = "6"
    & skf21("7","4","5","5","4","1","3","1") = "6"
    & skf21("7","4","5","5","4","1","4","1") = "6"
    & skf21("7","4","5","5","4","1","5","1") = "6"
    & skf21("7","4","5","5","4","1","6","1") = "6"
    & skf21("7","4","5","5","4","1","7","1") = "6"
    & skf21("7","4","5","5","4","2","1","1") = "6"
    & skf21("7","4","5","5","4","2","2","1") = "6"
    & skf21("7","4","5","5","4","2","3","1") = "6"
    & skf21("7","4","5","5","4","2","4","1") = "6"
    & skf21("7","4","5","5","4","2","5","1") = "6"
    & skf21("7","4","5","5","4","2","6","1") = "6"
    & skf21("7","4","5","5","4","2","7","1") = "6"
    & skf21("7","4","5","5","4","3","1","1") = "6"
    & skf21("7","4","5","5","4","3","2","1") = "6"
    & skf21("7","4","5","5","4","3","3","1") = "6"
    & skf21("7","4","5","5","4","3","4","1") = "6"
    & skf21("7","4","5","5","4","3","5","1") = "6"
    & skf21("7","4","5","5","4","3","6","1") = "6"
    & skf21("7","4","5","5","4","3","7","1") = "6"
    & skf21("7","4","5","5","4","4","1","1") = "6"
    & skf21("7","4","5","5","4","4","2","1") = "6"
    & skf21("7","4","5","5","4","4","3","1") = "6"
    & skf21("7","4","5","5","4","4","4","1") = "6"
    & skf21("7","4","5","5","4","4","5","1") = "6"
    & skf21("7","4","5","5","4","4","6","1") = "6"
    & skf21("7","4","5","5","4","4","7","1") = "6"
    & skf21("7","4","5","5","4","5","1","1") = "6"
    & skf21("7","4","5","5","4","5","2","1") = "6"
    & skf21("7","4","5","5","4","5","3","1") = "6"
    & skf21("7","4","5","5","4","5","4","1") = "6"
    & skf21("7","4","5","5","4","5","5","1") = "6"
    & skf21("7","4","5","5","4","5","6","1") = "6"
    & skf21("7","4","5","5","4","5","7","1") = "6"
    & skf21("7","4","5","5","4","6","1","1") = "6"
    & skf21("7","4","5","5","4","6","2","1") = "6"
    & skf21("7","4","5","5","4","6","3","1") = "6"
    & skf21("7","4","5","5","4","6","4","1") = "6"
    & skf21("7","4","5","5","4","6","5","1") = "6"
    & skf21("7","4","5","5","4","6","6","1") = "6"
    & skf21("7","4","5","5","4","6","7","1") = "6"
    & skf21("7","4","5","5","4","7","1","1") = "6"
    & skf21("7","4","5","5","4","7","2","1") = "6"
    & skf21("7","4","5","5","4","7","3","1") = "6"
    & skf21("7","4","5","5","4","7","4","1") = "6"
    & skf21("7","4","5","5","4","7","5","1") = "6"
    & skf21("7","4","5","5","4","7","6","1") = "6"
    & skf21("7","4","5","5","4","7","7","1") = "6"
    & skf21("7","4","5","5","5","1","1","1") = "6"
    & skf21("7","4","5","5","5","1","2","1") = "6"
    & skf21("7","4","5","5","5","1","3","1") = "6"
    & skf21("7","4","5","5","5","1","4","1") = "6"
    & skf21("7","4","5","5","5","1","5","1") = "6"
    & skf21("7","4","5","5","5","1","6","1") = "6"
    & skf21("7","4","5","5","5","1","7","1") = "6"
    & skf21("7","4","5","5","5","2","1","1") = "6"
    & skf21("7","4","5","5","5","2","2","1") = "6"
    & skf21("7","4","5","5","5","2","3","1") = "6"
    & skf21("7","4","5","5","5","2","4","1") = "6"
    & skf21("7","4","5","5","5","2","5","1") = "6"
    & skf21("7","4","5","5","5","2","6","1") = "6"
    & skf21("7","4","5","5","5","2","7","1") = "6"
    & skf21("7","4","5","5","5","3","1","1") = "6"
    & skf21("7","4","5","5","5","3","2","1") = "6"
    & skf21("7","4","5","5","5","3","3","1") = "6"
    & skf21("7","4","5","5","5","3","4","1") = "6"
    & skf21("7","4","5","5","5","3","5","1") = "6"
    & skf21("7","4","5","5","5","3","6","1") = "6"
    & skf21("7","4","5","5","5","3","7","1") = "6"
    & skf21("7","4","5","5","5","4","1","1") = "6"
    & skf21("7","4","5","5","5","4","2","1") = "6"
    & skf21("7","4","5","5","5","4","3","1") = "6"
    & skf21("7","4","5","5","5","4","4","1") = "6"
    & skf21("7","4","5","5","5","4","5","1") = "6"
    & skf21("7","4","5","5","5","4","6","1") = "6"
    & skf21("7","4","5","5","5","4","7","1") = "6"
    & skf21("7","4","5","5","5","5","1","1") = "6"
    & skf21("7","4","5","5","5","5","2","1") = "6"
    & skf21("7","4","5","5","5","5","3","1") = "6"
    & skf21("7","4","5","5","5","5","4","1") = "6"
    & skf21("7","4","5","5","5","5","5","1") = "6"
    & skf21("7","4","5","5","5","5","6","1") = "6"
    & skf21("7","4","5","5","5","5","7","1") = "6"
    & skf21("7","4","5","5","5","6","1","1") = "6"
    & skf21("7","4","5","5","5","6","2","1") = "6"
    & skf21("7","4","5","5","5","6","3","1") = "6"
    & skf21("7","4","5","5","5","6","4","1") = "6"
    & skf21("7","4","5","5","5","6","5","1") = "6"
    & skf21("7","4","5","5","5","6","6","1") = "6"
    & skf21("7","4","5","5","5","6","7","1") = "6"
    & skf21("7","4","5","5","5","7","1","1") = "6"
    & skf21("7","4","5","5","5","7","2","1") = "6"
    & skf21("7","4","5","5","5","7","3","1") = "6"
    & skf21("7","4","5","5","5","7","4","1") = "6"
    & skf21("7","4","5","5","5","7","5","1") = "6"
    & skf21("7","4","5","5","5","7","6","1") = "6"
    & skf21("7","4","5","5","5","7","7","1") = "6"
    & skf21("7","4","5","5","6","1","1","1") = "6"
    & skf21("7","4","5","5","6","1","2","1") = "6"
    & skf21("7","4","5","5","6","1","3","1") = "6"
    & skf21("7","4","5","5","6","1","4","1") = "6"
    & skf21("7","4","5","5","6","1","5","1") = "6"
    & skf21("7","4","5","5","6","1","6","1") = "6"
    & skf21("7","4","5","5","6","1","7","1") = "6"
    & skf21("7","4","5","5","6","2","1","1") = "6"
    & skf21("7","4","5","5","6","2","2","1") = "6"
    & skf21("7","4","5","5","6","2","3","1") = "6"
    & skf21("7","4","5","5","6","2","4","1") = "6"
    & skf21("7","4","5","5","6","2","5","1") = "6"
    & skf21("7","4","5","5","6","2","6","1") = "6"
    & skf21("7","4","5","5","6","2","7","1") = "6"
    & skf21("7","4","5","5","6","3","1","1") = "6"
    & skf21("7","4","5","5","6","3","2","1") = "6"
    & skf21("7","4","5","5","6","3","3","1") = "6"
    & skf21("7","4","5","5","6","3","4","1") = "6"
    & skf21("7","4","5","5","6","3","5","1") = "6"
    & skf21("7","4","5","5","6","3","6","1") = "6"
    & skf21("7","4","5","5","6","3","7","1") = "6"
    & skf21("7","4","5","5","6","4","1","1") = "6"
    & skf21("7","4","5","5","6","4","2","1") = "6"
    & skf21("7","4","5","5","6","4","3","1") = "6"
    & skf21("7","4","5","5","6","4","4","1") = "6"
    & skf21("7","4","5","5","6","4","5","1") = "6"
    & skf21("7","4","5","5","6","4","6","1") = "6"
    & skf21("7","4","5","5","6","4","7","1") = "6"
    & skf21("7","4","5","5","6","5","1","1") = "6"
    & skf21("7","4","5","5","6","5","2","1") = "6"
    & skf21("7","4","5","5","6","5","3","1") = "6"
    & skf21("7","4","5","5","6","5","4","1") = "6"
    & skf21("7","4","5","5","6","5","5","1") = "6"
    & skf21("7","4","5","5","6","5","6","1") = "6"
    & skf21("7","4","5","5","6","5","7","1") = "6"
    & skf21("7","4","5","5","6","6","1","1") = "6"
    & skf21("7","4","5","5","6","6","2","1") = "6"
    & skf21("7","4","5","5","6","6","3","1") = "6"
    & skf21("7","4","5","5","6","6","4","1") = "6"
    & skf21("7","4","5","5","6","6","5","1") = "6"
    & skf21("7","4","5","5","6","6","6","1") = "6"
    & skf21("7","4","5","5","6","6","7","1") = "6"
    & skf21("7","4","5","5","6","7","1","1") = "6"
    & skf21("7","4","5","5","6","7","2","1") = "6"
    & skf21("7","4","5","5","6","7","3","1") = "6"
    & skf21("7","4","5","5","6","7","4","1") = "6"
    & skf21("7","4","5","5","6","7","5","1") = "6"
    & skf21("7","4","5","5","6","7","6","1") = "6"
    & skf21("7","4","5","5","6","7","7","1") = "6"
    & skf21("7","4","5","5","7","1","1","1") = "6"
    & skf21("7","4","5","5","7","1","2","1") = "6"
    & skf21("7","4","5","5","7","1","3","1") = "6"
    & skf21("7","4","5","5","7","1","4","1") = "6"
    & skf21("7","4","5","5","7","1","5","1") = "6"
    & skf21("7","4","5","5","7","1","6","1") = "6"
    & skf21("7","4","5","5","7","1","7","1") = "6"
    & skf21("7","4","5","5","7","2","1","1") = "6"
    & skf21("7","4","5","5","7","2","2","1") = "6"
    & skf21("7","4","5","5","7","2","3","1") = "6"
    & skf21("7","4","5","5","7","2","4","1") = "6"
    & skf21("7","4","5","5","7","2","5","1") = "6"
    & skf21("7","4","5","5","7","2","6","1") = "6"
    & skf21("7","4","5","5","7","2","7","1") = "6"
    & skf21("7","4","5","5","7","3","1","1") = "6"
    & skf21("7","4","5","5","7","3","2","1") = "6"
    & skf21("7","4","5","5","7","3","3","1") = "6"
    & skf21("7","4","5","5","7","3","4","1") = "6"
    & skf21("7","4","5","5","7","3","5","1") = "6"
    & skf21("7","4","5","5","7","3","6","1") = "6"
    & skf21("7","4","5","5","7","3","7","1") = "6"
    & skf21("7","4","5","5","7","4","1","1") = "6"
    & skf21("7","4","5","5","7","4","2","1") = "6"
    & skf21("7","4","5","5","7","4","3","1") = "6"
    & skf21("7","4","5","5","7","4","4","1") = "6"
    & skf21("7","4","5","5","7","4","5","1") = "6"
    & skf21("7","4","5","5","7","4","6","1") = "6"
    & skf21("7","4","5","5","7","4","7","1") = "6"
    & skf21("7","4","5","5","7","5","1","1") = "6"
    & skf21("7","4","5","5","7","5","2","1") = "6"
    & skf21("7","4","5","5","7","5","3","1") = "6"
    & skf21("7","4","5","5","7","5","4","1") = "6"
    & skf21("7","4","5","5","7","5","5","1") = "6"
    & skf21("7","4","5","5","7","5","6","1") = "6"
    & skf21("7","4","5","5","7","5","7","1") = "6"
    & skf21("7","4","5","5","7","6","1","1") = "6"
    & skf21("7","4","5","5","7","6","2","1") = "6"
    & skf21("7","4","5","5","7","6","3","1") = "6"
    & skf21("7","4","5","5","7","6","4","1") = "6"
    & skf21("7","4","5","5","7","6","5","1") = "6"
    & skf21("7","4","5","5","7","6","6","1") = "6"
    & skf21("7","4","5","5","7","6","7","1") = "6"
    & skf21("7","4","5","5","7","7","1","1") = "6"
    & skf21("7","4","5","5","7","7","2","1") = "6"
    & skf21("7","4","5","5","7","7","3","1") = "6"
    & skf21("7","4","5","5","7","7","4","1") = "6"
    & skf21("7","4","5","5","7","7","5","1") = "6"
    & skf21("7","4","5","5","7","7","6","1") = "6"
    & skf21("7","4","5","5","7","7","7","1") = "6"
    & skf21("7","4","5","6","1","1","1","1") = "6"
    & skf21("7","4","5","6","1","1","2","1") = "6"
    & skf21("7","4","5","6","1","1","3","1") = "6"
    & skf21("7","4","5","6","1","1","4","1") = "6"
    & skf21("7","4","5","6","1","1","5","1") = "6"
    & skf21("7","4","5","6","1","1","6","1") = "6"
    & skf21("7","4","5","6","1","1","7","1") = "6"
    & skf21("7","4","5","6","1","2","1","1") = "6"
    & skf21("7","4","5","6","1","2","2","1") = "6"
    & skf21("7","4","5","6","1","2","3","1") = "6"
    & skf21("7","4","5","6","1","2","4","1") = "6"
    & skf21("7","4","5","6","1","2","5","1") = "6"
    & skf21("7","4","5","6","1","2","6","1") = "6"
    & skf21("7","4","5","6","1","2","7","1") = "6"
    & skf21("7","4","5","6","1","3","1","1") = "6"
    & skf21("7","4","5","6","1","3","2","1") = "6"
    & skf21("7","4","5","6","1","3","3","1") = "6"
    & skf21("7","4","5","6","1","3","4","1") = "6"
    & skf21("7","4","5","6","1","3","5","1") = "6"
    & skf21("7","4","5","6","1","3","6","1") = "6"
    & skf21("7","4","5","6","1","3","7","1") = "6"
    & skf21("7","4","5","6","1","4","1","1") = "6"
    & skf21("7","4","5","6","1","4","2","1") = "6"
    & skf21("7","4","5","6","1","4","3","1") = "6"
    & skf21("7","4","5","6","1","4","4","1") = "6"
    & skf21("7","4","5","6","1","4","5","1") = "6"
    & skf21("7","4","5","6","1","4","6","1") = "6"
    & skf21("7","4","5","6","1","4","7","1") = "6"
    & skf21("7","4","5","6","1","5","1","1") = "6"
    & skf21("7","4","5","6","1","5","2","1") = "6"
    & skf21("7","4","5","6","1","5","3","1") = "6"
    & skf21("7","4","5","6","1","5","4","1") = "6"
    & skf21("7","4","5","6","1","5","5","1") = "6"
    & skf21("7","4","5","6","1","5","6","1") = "6"
    & skf21("7","4","5","6","1","5","7","1") = "6"
    & skf21("7","4","5","6","1","6","1","1") = "6"
    & skf21("7","4","5","6","1","6","2","1") = "6"
    & skf21("7","4","5","6","1","6","3","1") = "6"
    & skf21("7","4","5","6","1","6","4","1") = "6"
    & skf21("7","4","5","6","1","6","5","1") = "6"
    & skf21("7","4","5","6","1","6","6","1") = "6"
    & skf21("7","4","5","6","1","6","7","1") = "6"
    & skf21("7","4","5","6","1","7","1","1") = "6"
    & skf21("7","4","5","6","1","7","2","1") = "6"
    & skf21("7","4","5","6","1","7","3","1") = "6"
    & skf21("7","4","5","6","1","7","4","1") = "6"
    & skf21("7","4","5","6","1","7","5","1") = "6"
    & skf21("7","4","5","6","1","7","6","1") = "6"
    & skf21("7","4","5","6","1","7","7","1") = "6"
    & skf21("7","4","5","6","2","1","1","1") = "6"
    & skf21("7","4","5","6","2","1","2","1") = "6"
    & skf21("7","4","5","6","2","1","3","1") = "6"
    & skf21("7","4","5","6","2","1","4","1") = "6"
    & skf21("7","4","5","6","2","1","5","1") = "6"
    & skf21("7","4","5","6","2","1","6","1") = "6"
    & skf21("7","4","5","6","2","1","7","1") = "6"
    & skf21("7","4","5","6","2","2","1","1") = "6"
    & skf21("7","4","5","6","2","2","2","1") = "6"
    & skf21("7","4","5","6","2","2","3","1") = "6"
    & skf21("7","4","5","6","2","2","4","1") = "6"
    & skf21("7","4","5","6","2","2","5","1") = "6"
    & skf21("7","4","5","6","2","2","6","1") = "6"
    & skf21("7","4","5","6","2","2","7","1") = "6"
    & skf21("7","4","5","6","2","3","1","1") = "6"
    & skf21("7","4","5","6","2","3","2","1") = "6"
    & skf21("7","4","5","6","2","3","3","1") = "6"
    & skf21("7","4","5","6","2","3","4","1") = "6"
    & skf21("7","4","5","6","2","3","5","1") = "6"
    & skf21("7","4","5","6","2","3","6","1") = "6"
    & skf21("7","4","5","6","2","3","7","1") = "6"
    & skf21("7","4","5","6","2","4","1","1") = "6"
    & skf21("7","4","5","6","2","4","2","1") = "6"
    & skf21("7","4","5","6","2","4","3","1") = "6"
    & skf21("7","4","5","6","2","4","4","1") = "6"
    & skf21("7","4","5","6","2","4","5","1") = "6"
    & skf21("7","4","5","6","2","4","6","1") = "6"
    & skf21("7","4","5","6","2","4","7","1") = "6"
    & skf21("7","4","5","6","2","5","1","1") = "6"
    & skf21("7","4","5","6","2","5","2","1") = "6"
    & skf21("7","4","5","6","2","5","3","1") = "6"
    & skf21("7","4","5","6","2","5","4","1") = "6"
    & skf21("7","4","5","6","2","5","5","1") = "6"
    & skf21("7","4","5","6","2","5","6","1") = "6"
    & skf21("7","4","5","6","2","5","7","1") = "6"
    & skf21("7","4","5","6","2","6","1","1") = "6"
    & skf21("7","4","5","6","2","6","2","1") = "6"
    & skf21("7","4","5","6","2","6","3","1") = "6"
    & skf21("7","4","5","6","2","6","4","1") = "6"
    & skf21("7","4","5","6","2","6","5","1") = "6"
    & skf21("7","4","5","6","2","6","6","1") = "6"
    & skf21("7","4","5","6","2","6","7","1") = "6"
    & skf21("7","4","5","6","2","7","1","1") = "6"
    & skf21("7","4","5","6","2","7","2","1") = "6"
    & skf21("7","4","5","6","2","7","3","1") = "6"
    & skf21("7","4","5","6","2","7","4","1") = "6"
    & skf21("7","4","5","6","2","7","5","1") = "6"
    & skf21("7","4","5","6","2","7","6","1") = "6"
    & skf21("7","4","5","6","2","7","7","1") = "6"
    & skf21("7","4","5","6","3","1","1","1") = "6"
    & skf21("7","4","5","6","3","1","2","1") = "6"
    & skf21("7","4","5","6","3","1","3","1") = "6"
    & skf21("7","4","5","6","3","1","4","1") = "6"
    & skf21("7","4","5","6","3","1","5","1") = "6"
    & skf21("7","4","5","6","3","1","6","1") = "6"
    & skf21("7","4","5","6","3","1","7","1") = "6"
    & skf21("7","4","5","6","3","2","1","1") = "6"
    & skf21("7","4","5","6","3","2","2","1") = "6"
    & skf21("7","4","5","6","3","2","3","1") = "6"
    & skf21("7","4","5","6","3","2","4","1") = "6"
    & skf21("7","4","5","6","3","2","5","1") = "6"
    & skf21("7","4","5","6","3","2","6","1") = "6"
    & skf21("7","4","5","6","3","2","7","1") = "6"
    & skf21("7","4","5","6","3","3","1","1") = "6"
    & skf21("7","4","5","6","3","3","2","1") = "6"
    & skf21("7","4","5","6","3","3","3","1") = "6"
    & skf21("7","4","5","6","3","3","4","1") = "6"
    & skf21("7","4","5","6","3","3","5","1") = "6"
    & skf21("7","4","5","6","3","3","6","1") = "6"
    & skf21("7","4","5","6","3","3","7","1") = "6"
    & skf21("7","4","5","6","3","4","1","1") = "6"
    & skf21("7","4","5","6","3","4","2","1") = "6"
    & skf21("7","4","5","6","3","4","3","1") = "6"
    & skf21("7","4","5","6","3","4","4","1") = "6"
    & skf21("7","4","5","6","3","4","5","1") = "6"
    & skf21("7","4","5","6","3","4","6","1") = "6"
    & skf21("7","4","5","6","3","4","7","1") = "6"
    & skf21("7","4","5","6","3","5","1","1") = "6"
    & skf21("7","4","5","6","3","5","2","1") = "6"
    & skf21("7","4","5","6","3","5","3","1") = "6"
    & skf21("7","4","5","6","3","5","4","1") = "6"
    & skf21("7","4","5","6","3","5","5","1") = "6"
    & skf21("7","4","5","6","3","5","6","1") = "6"
    & skf21("7","4","5","6","3","5","7","1") = "6"
    & skf21("7","4","5","6","3","6","1","1") = "6"
    & skf21("7","4","5","6","3","6","2","1") = "6"
    & skf21("7","4","5","6","3","6","3","1") = "6"
    & skf21("7","4","5","6","3","6","4","1") = "6"
    & skf21("7","4","5","6","3","6","5","1") = "6"
    & skf21("7","4","5","6","3","6","6","1") = "6"
    & skf21("7","4","5","6","3","6","7","1") = "6"
    & skf21("7","4","5","6","3","7","1","1") = "6"
    & skf21("7","4","5","6","3","7","2","1") = "6"
    & skf21("7","4","5","6","3","7","3","1") = "6"
    & skf21("7","4","5","6","3","7","4","1") = "6"
    & skf21("7","4","5","6","3","7","5","1") = "6"
    & skf21("7","4","5","6","3","7","6","1") = "6"
    & skf21("7","4","5","6","3","7","7","1") = "6"
    & skf21("7","4","5","6","4","1","1","1") = "6"
    & skf21("7","4","5","6","4","1","2","1") = "6"
    & skf21("7","4","5","6","4","1","3","1") = "6"
    & skf21("7","4","5","6","4","1","4","1") = "6"
    & skf21("7","4","5","6","4","1","5","1") = "6"
    & skf21("7","4","5","6","4","1","6","1") = "6"
    & skf21("7","4","5","6","4","1","7","1") = "6"
    & skf21("7","4","5","6","4","2","1","1") = "6"
    & skf21("7","4","5","6","4","2","2","1") = "6"
    & skf21("7","4","5","6","4","2","3","1") = "6"
    & skf21("7","4","5","6","4","2","4","1") = "6"
    & skf21("7","4","5","6","4","2","5","1") = "6"
    & skf21("7","4","5","6","4","2","6","1") = "6"
    & skf21("7","4","5","6","4","2","7","1") = "6"
    & skf21("7","4","5","6","4","3","1","1") = "6"
    & skf21("7","4","5","6","4","3","2","1") = "6"
    & skf21("7","4","5","6","4","3","3","1") = "6"
    & skf21("7","4","5","6","4","3","4","1") = "6"
    & skf21("7","4","5","6","4","3","5","1") = "6"
    & skf21("7","4","5","6","4","3","6","1") = "6"
    & skf21("7","4","5","6","4","3","7","1") = "6"
    & skf21("7","4","5","6","4","4","1","1") = "6"
    & skf21("7","4","5","6","4","4","2","1") = "6"
    & skf21("7","4","5","6","4","4","3","1") = "6"
    & skf21("7","4","5","6","4","4","4","1") = "6"
    & skf21("7","4","5","6","4","4","5","1") = "6"
    & skf21("7","4","5","6","4","4","6","1") = "6"
    & skf21("7","4","5","6","4","4","7","1") = "6"
    & skf21("7","4","5","6","4","5","1","1") = "6"
    & skf21("7","4","5","6","4","5","2","1") = "6"
    & skf21("7","4","5","6","4","5","3","1") = "6"
    & skf21("7","4","5","6","4","5","4","1") = "6"
    & skf21("7","4","5","6","4","5","5","1") = "6"
    & skf21("7","4","5","6","4","5","6","1") = "6"
    & skf21("7","4","5","6","4","5","7","1") = "6"
    & skf21("7","4","5","6","4","6","1","1") = "6"
    & skf21("7","4","5","6","4","6","2","1") = "6"
    & skf21("7","4","5","6","4","6","3","1") = "6"
    & skf21("7","4","5","6","4","6","4","1") = "6"
    & skf21("7","4","5","6","4","6","5","1") = "6"
    & skf21("7","4","5","6","4","6","6","1") = "6"
    & skf21("7","4","5","6","4","6","7","1") = "6"
    & skf21("7","4","5","6","4","7","1","1") = "6"
    & skf21("7","4","5","6","4","7","2","1") = "6"
    & skf21("7","4","5","6","4","7","3","1") = "6"
    & skf21("7","4","5","6","4","7","4","1") = "6"
    & skf21("7","4","5","6","4","7","5","1") = "6"
    & skf21("7","4","5","6","4","7","6","1") = "6"
    & skf21("7","4","5","6","4","7","7","1") = "6"
    & skf21("7","4","5","6","5","1","1","1") = "6"
    & skf21("7","4","5","6","5","1","2","1") = "6"
    & skf21("7","4","5","6","5","1","3","1") = "6"
    & skf21("7","4","5","6","5","1","4","1") = "6"
    & skf21("7","4","5","6","5","1","5","1") = "6"
    & skf21("7","4","5","6","5","1","6","1") = "6"
    & skf21("7","4","5","6","5","1","7","1") = "6"
    & skf21("7","4","5","6","5","2","1","1") = "6"
    & skf21("7","4","5","6","5","2","2","1") = "6"
    & skf21("7","4","5","6","5","2","3","1") = "6"
    & skf21("7","4","5","6","5","2","4","1") = "6"
    & skf21("7","4","5","6","5","2","5","1") = "6"
    & skf21("7","4","5","6","5","2","6","1") = "6"
    & skf21("7","4","5","6","5","2","7","1") = "6"
    & skf21("7","4","5","6","5","3","1","1") = "6"
    & skf21("7","4","5","6","5","3","2","1") = "6"
    & skf21("7","4","5","6","5","3","3","1") = "6"
    & skf21("7","4","5","6","5","3","4","1") = "6"
    & skf21("7","4","5","6","5","3","5","1") = "6"
    & skf21("7","4","5","6","5","3","6","1") = "6"
    & skf21("7","4","5","6","5","3","7","1") = "6"
    & skf21("7","4","5","6","5","4","1","1") = "6"
    & skf21("7","4","5","6","5","4","2","1") = "6"
    & skf21("7","4","5","6","5","4","3","1") = "6"
    & skf21("7","4","5","6","5","4","4","1") = "6"
    & skf21("7","4","5","6","5","4","5","1") = "6"
    & skf21("7","4","5","6","5","4","6","1") = "6"
    & skf21("7","4","5","6","5","4","7","1") = "6"
    & skf21("7","4","5","6","5","5","1","1") = "6"
    & skf21("7","4","5","6","5","5","2","1") = "6"
    & skf21("7","4","5","6","5","5","3","1") = "6"
    & skf21("7","4","5","6","5","5","4","1") = "6"
    & skf21("7","4","5","6","5","5","5","1") = "6"
    & skf21("7","4","5","6","5","5","6","1") = "6"
    & skf21("7","4","5","6","5","5","7","1") = "6"
    & skf21("7","4","5","6","5","6","1","1") = "6"
    & skf21("7","4","5","6","5","6","2","1") = "6"
    & skf21("7","4","5","6","5","6","3","1") = "6"
    & skf21("7","4","5","6","5","6","4","1") = "6"
    & skf21("7","4","5","6","5","6","5","1") = "6"
    & skf21("7","4","5","6","5","6","6","1") = "6"
    & skf21("7","4","5","6","5","6","7","1") = "6"
    & skf21("7","4","5","6","5","7","1","1") = "6"
    & skf21("7","4","5","6","5","7","2","1") = "6"
    & skf21("7","4","5","6","5","7","3","1") = "6"
    & skf21("7","4","5","6","5","7","4","1") = "6"
    & skf21("7","4","5","6","5","7","5","1") = "6"
    & skf21("7","4","5","6","5","7","6","1") = "6"
    & skf21("7","4","5","6","5","7","7","1") = "6"
    & skf21("7","4","5","6","6","1","1","1") = "6"
    & skf21("7","4","5","6","6","1","2","1") = "6"
    & skf21("7","4","5","6","6","1","3","1") = "6"
    & skf21("7","4","5","6","6","1","4","1") = "6"
    & skf21("7","4","5","6","6","1","5","1") = "6"
    & skf21("7","4","5","6","6","1","6","1") = "6"
    & skf21("7","4","5","6","6","1","7","1") = "6"
    & skf21("7","4","5","6","6","2","1","1") = "6"
    & skf21("7","4","5","6","6","2","2","1") = "6"
    & skf21("7","4","5","6","6","2","3","1") = "6"
    & skf21("7","4","5","6","6","2","4","1") = "6"
    & skf21("7","4","5","6","6","2","5","1") = "6"
    & skf21("7","4","5","6","6","2","6","1") = "6"
    & skf21("7","4","5","6","6","2","7","1") = "6"
    & skf21("7","4","5","6","6","3","1","1") = "6"
    & skf21("7","4","5","6","6","3","2","1") = "6"
    & skf21("7","4","5","6","6","3","3","1") = "6"
    & skf21("7","4","5","6","6","3","4","1") = "6"
    & skf21("7","4","5","6","6","3","5","1") = "6"
    & skf21("7","4","5","6","6","3","6","1") = "6"
    & skf21("7","4","5","6","6","3","7","1") = "6"
    & skf21("7","4","5","6","6","4","1","1") = "6"
    & skf21("7","4","5","6","6","4","2","1") = "6"
    & skf21("7","4","5","6","6","4","3","1") = "6"
    & skf21("7","4","5","6","6","4","4","1") = "6"
    & skf21("7","4","5","6","6","4","5","1") = "6"
    & skf21("7","4","5","6","6","4","6","1") = "6"
    & skf21("7","4","5","6","6","4","7","1") = "6"
    & skf21("7","4","5","6","6","5","1","1") = "6"
    & skf21("7","4","5","6","6","5","2","1") = "6"
    & skf21("7","4","5","6","6","5","3","1") = "6"
    & skf21("7","4","5","6","6","5","4","1") = "6"
    & skf21("7","4","5","6","6","5","5","1") = "6"
    & skf21("7","4","5","6","6","5","6","1") = "6"
    & skf21("7","4","5","6","6","5","7","1") = "6"
    & skf21("7","4","5","6","6","6","1","1") = "6"
    & skf21("7","4","5","6","6","6","2","1") = "6"
    & skf21("7","4","5","6","6","6","3","1") = "6"
    & skf21("7","4","5","6","6","6","4","1") = "6"
    & skf21("7","4","5","6","6","6","5","1") = "6"
    & skf21("7","4","5","6","6","6","6","1") = "6"
    & skf21("7","4","5","6","6","6","7","1") = "6"
    & skf21("7","4","5","6","6","7","1","1") = "6"
    & skf21("7","4","5","6","6","7","2","1") = "6"
    & skf21("7","4","5","6","6","7","3","1") = "6"
    & skf21("7","4","5","6","6","7","4","1") = "6"
    & skf21("7","4","5","6","6","7","5","1") = "6"
    & skf21("7","4","5","6","6","7","6","1") = "6"
    & skf21("7","4","5","6","6","7","7","1") = "6"
    & skf21("7","4","5","6","7","1","1","1") = "6"
    & skf21("7","4","5","6","7","1","2","1") = "6"
    & skf21("7","4","5","6","7","1","3","1") = "6"
    & skf21("7","4","5","6","7","1","4","1") = "6"
    & skf21("7","4","5","6","7","1","5","1") = "6"
    & skf21("7","4","5","6","7","1","6","1") = "6"
    & skf21("7","4","5","6","7","1","7","1") = "6"
    & skf21("7","4","5","6","7","2","1","1") = "6"
    & skf21("7","4","5","6","7","2","2","1") = "6"
    & skf21("7","4","5","6","7","2","3","1") = "6"
    & skf21("7","4","5","6","7","2","4","1") = "6"
    & skf21("7","4","5","6","7","2","5","1") = "6"
    & skf21("7","4","5","6","7","2","6","1") = "6"
    & skf21("7","4","5","6","7","2","7","1") = "6"
    & skf21("7","4","5","6","7","3","1","1") = "6"
    & skf21("7","4","5","6","7","3","2","1") = "6"
    & skf21("7","4","5","6","7","3","3","1") = "6"
    & skf21("7","4","5","6","7","3","4","1") = "6"
    & skf21("7","4","5","6","7","3","5","1") = "6"
    & skf21("7","4","5","6","7","3","6","1") = "6"
    & skf21("7","4","5","6","7","3","7","1") = "6"
    & skf21("7","4","5","6","7","4","1","1") = "6"
    & skf21("7","4","5","6","7","4","2","1") = "6"
    & skf21("7","4","5","6","7","4","3","1") = "6"
    & skf21("7","4","5","6","7","4","4","1") = "6"
    & skf21("7","4","5","6","7","4","5","1") = "6"
    & skf21("7","4","5","6","7","4","6","1") = "6"
    & skf21("7","4","5","6","7","4","7","1") = "6"
    & skf21("7","4","5","6","7","5","1","1") = "6"
    & skf21("7","4","5","6","7","5","2","1") = "6"
    & skf21("7","4","5","6","7","5","3","1") = "6"
    & skf21("7","4","5","6","7","5","4","1") = "6"
    & skf21("7","4","5","6","7","5","5","1") = "6"
    & skf21("7","4","5","6","7","5","6","1") = "6"
    & skf21("7","4","5","6","7","5","7","1") = "6"
    & skf21("7","4","5","6","7","6","1","1") = "6"
    & skf21("7","4","5","6","7","6","2","1") = "6"
    & skf21("7","4","5","6","7","6","3","1") = "6"
    & skf21("7","4","5","6","7","6","4","1") = "6"
    & skf21("7","4","5","6","7","6","5","1") = "6"
    & skf21("7","4","5","6","7","6","6","1") = "6"
    & skf21("7","4","5","6","7","6","7","1") = "6"
    & skf21("7","4","5","6","7","7","1","1") = "6"
    & skf21("7","4","5","6","7","7","2","1") = "6"
    & skf21("7","4","5","6","7","7","3","1") = "6"
    & skf21("7","4","5","6","7","7","4","1") = "6"
    & skf21("7","4","5","6","7","7","5","1") = "6"
    & skf21("7","4","5","6","7","7","6","1") = "6"
    & skf21("7","4","5","6","7","7","7","1") = "6"
    & skf21("7","4","5","7","1","1","1","1") = "6"
    & skf21("7","4","5","7","1","1","2","1") = "6"
    & skf21("7","4","5","7","1","1","3","1") = "6"
    & skf21("7","4","5","7","1","1","4","1") = "6"
    & skf21("7","4","5","7","1","1","5","1") = "6"
    & skf21("7","4","5","7","1","1","6","1") = "6"
    & skf21("7","4","5","7","1","1","7","1") = "6"
    & skf21("7","4","5","7","1","2","1","1") = "6"
    & skf21("7","4","5","7","1","2","2","1") = "6"
    & skf21("7","4","5","7","1","2","3","1") = "6"
    & skf21("7","4","5","7","1","2","4","1") = "6"
    & skf21("7","4","5","7","1","2","5","1") = "6"
    & skf21("7","4","5","7","1","2","6","1") = "6"
    & skf21("7","4","5","7","1","2","7","1") = "6"
    & skf21("7","4","5","7","1","3","1","1") = "6"
    & skf21("7","4","5","7","1","3","2","1") = "6"
    & skf21("7","4","5","7","1","3","3","1") = "6"
    & skf21("7","4","5","7","1","3","4","1") = "6"
    & skf21("7","4","5","7","1","3","5","1") = "6"
    & skf21("7","4","5","7","1","3","6","1") = "6"
    & skf21("7","4","5","7","1","3","7","1") = "6"
    & skf21("7","4","5","7","1","4","1","1") = "6"
    & skf21("7","4","5","7","1","4","2","1") = "6"
    & skf21("7","4","5","7","1","4","3","1") = "6"
    & skf21("7","4","5","7","1","4","4","1") = "6"
    & skf21("7","4","5","7","1","4","5","1") = "6"
    & skf21("7","4","5","7","1","4","6","1") = "6"
    & skf21("7","4","5","7","1","4","7","1") = "6"
    & skf21("7","4","5","7","1","5","1","1") = "6"
    & skf21("7","4","5","7","1","5","2","1") = "6"
    & skf21("7","4","5","7","1","5","3","1") = "6"
    & skf21("7","4","5","7","1","5","4","1") = "6"
    & skf21("7","4","5","7","1","5","5","1") = "6"
    & skf21("7","4","5","7","1","5","6","1") = "6"
    & skf21("7","4","5","7","1","5","7","1") = "6"
    & skf21("7","4","5","7","1","6","1","1") = "6"
    & skf21("7","4","5","7","1","6","2","1") = "6"
    & skf21("7","4","5","7","1","6","3","1") = "6"
    & skf21("7","4","5","7","1","6","4","1") = "6"
    & skf21("7","4","5","7","1","6","5","1") = "6"
    & skf21("7","4","5","7","1","6","6","1") = "6"
    & skf21("7","4","5","7","1","6","7","1") = "6"
    & skf21("7","4","5","7","1","7","1","1") = "6"
    & skf21("7","4","5","7","1","7","2","1") = "6"
    & skf21("7","4","5","7","1","7","3","1") = "6"
    & skf21("7","4","5","7","1","7","4","1") = "6"
    & skf21("7","4","5","7","1","7","5","1") = "6"
    & skf21("7","4","5","7","1","7","6","1") = "6"
    & skf21("7","4","5","7","1","7","7","1") = "6"
    & skf21("7","4","5","7","2","1","1","1") = "6"
    & skf21("7","4","5","7","2","1","2","1") = "6"
    & skf21("7","4","5","7","2","1","3","1") = "6"
    & skf21("7","4","5","7","2","1","4","1") = "6"
    & skf21("7","4","5","7","2","1","5","1") = "6"
    & skf21("7","4","5","7","2","1","6","1") = "6"
    & skf21("7","4","5","7","2","1","7","1") = "6"
    & skf21("7","4","5","7","2","2","1","1") = "6"
    & skf21("7","4","5","7","2","2","2","1") = "6"
    & skf21("7","4","5","7","2","2","3","1") = "6"
    & skf21("7","4","5","7","2","2","4","1") = "6"
    & skf21("7","4","5","7","2","2","5","1") = "6"
    & skf21("7","4","5","7","2","2","6","1") = "6"
    & skf21("7","4","5","7","2","2","7","1") = "6"
    & skf21("7","4","5","7","2","3","1","1") = "6"
    & skf21("7","4","5","7","2","3","2","1") = "6"
    & skf21("7","4","5","7","2","3","3","1") = "6"
    & skf21("7","4","5","7","2","3","4","1") = "6"
    & skf21("7","4","5","7","2","3","5","1") = "6"
    & skf21("7","4","5","7","2","3","6","1") = "6"
    & skf21("7","4","5","7","2","3","7","1") = "6"
    & skf21("7","4","5","7","2","4","1","1") = "6"
    & skf21("7","4","5","7","2","4","2","1") = "6"
    & skf21("7","4","5","7","2","4","3","1") = "6"
    & skf21("7","4","5","7","2","4","4","1") = "6"
    & skf21("7","4","5","7","2","4","5","1") = "6"
    & skf21("7","4","5","7","2","4","6","1") = "6"
    & skf21("7","4","5","7","2","4","7","1") = "6"
    & skf21("7","4","5","7","2","5","1","1") = "6"
    & skf21("7","4","5","7","2","5","2","1") = "6"
    & skf21("7","4","5","7","2","5","3","1") = "6"
    & skf21("7","4","5","7","2","5","4","1") = "6"
    & skf21("7","4","5","7","2","5","5","1") = "6"
    & skf21("7","4","5","7","2","5","6","1") = "6"
    & skf21("7","4","5","7","2","5","7","1") = "6"
    & skf21("7","4","5","7","2","6","1","1") = "6"
    & skf21("7","4","5","7","2","6","2","1") = "6"
    & skf21("7","4","5","7","2","6","3","1") = "6"
    & skf21("7","4","5","7","2","6","4","1") = "6"
    & skf21("7","4","5","7","2","6","5","1") = "6"
    & skf21("7","4","5","7","2","6","6","1") = "6"
    & skf21("7","4","5","7","2","6","7","1") = "6"
    & skf21("7","4","5","7","2","7","1","1") = "6"
    & skf21("7","4","5","7","2","7","2","1") = "6"
    & skf21("7","4","5","7","2","7","3","1") = "6"
    & skf21("7","4","5","7","2","7","4","1") = "6"
    & skf21("7","4","5","7","2","7","5","1") = "6"
    & skf21("7","4","5","7","2","7","6","1") = "6"
    & skf21("7","4","5","7","2","7","7","1") = "6"
    & skf21("7","4","5","7","3","1","1","1") = "6"
    & skf21("7","4","5","7","3","1","2","1") = "6"
    & skf21("7","4","5","7","3","1","3","1") = "6"
    & skf21("7","4","5","7","3","1","4","1") = "6"
    & skf21("7","4","5","7","3","1","5","1") = "6"
    & skf21("7","4","5","7","3","1","6","1") = "6"
    & skf21("7","4","5","7","3","1","7","1") = "6"
    & skf21("7","4","5","7","3","2","1","1") = "6"
    & skf21("7","4","5","7","3","2","2","1") = "6"
    & skf21("7","4","5","7","3","2","3","1") = "6"
    & skf21("7","4","5","7","3","2","4","1") = "6"
    & skf21("7","4","5","7","3","2","5","1") = "6"
    & skf21("7","4","5","7","3","2","6","1") = "6"
    & skf21("7","4","5","7","3","2","7","1") = "6"
    & skf21("7","4","5","7","3","3","1","1") = "6"
    & skf21("7","4","5","7","3","3","2","1") = "6"
    & skf21("7","4","5","7","3","3","3","1") = "6"
    & skf21("7","4","5","7","3","3","4","1") = "6"
    & skf21("7","4","5","7","3","3","5","1") = "6"
    & skf21("7","4","5","7","3","3","6","1") = "6"
    & skf21("7","4","5","7","3","3","7","1") = "6"
    & skf21("7","4","5","7","3","4","1","1") = "6"
    & skf21("7","4","5","7","3","4","2","1") = "6"
    & skf21("7","4","5","7","3","4","3","1") = "6"
    & skf21("7","4","5","7","3","4","4","1") = "6"
    & skf21("7","4","5","7","3","4","5","1") = "6"
    & skf21("7","4","5","7","3","4","6","1") = "6"
    & skf21("7","4","5","7","3","4","7","1") = "6"
    & skf21("7","4","5","7","3","5","1","1") = "6"
    & skf21("7","4","5","7","3","5","2","1") = "6"
    & skf21("7","4","5","7","3","5","3","1") = "6"
    & skf21("7","4","5","7","3","5","4","1") = "6"
    & skf21("7","4","5","7","3","5","5","1") = "6"
    & skf21("7","4","5","7","3","5","6","1") = "6"
    & skf21("7","4","5","7","3","5","7","1") = "6"
    & skf21("7","4","5","7","3","6","1","1") = "6"
    & skf21("7","4","5","7","3","6","2","1") = "6"
    & skf21("7","4","5","7","3","6","3","1") = "6"
    & skf21("7","4","5","7","3","6","4","1") = "6"
    & skf21("7","4","5","7","3","6","5","1") = "6"
    & skf21("7","4","5","7","3","6","6","1") = "6"
    & skf21("7","4","5","7","3","6","7","1") = "6"
    & skf21("7","4","5","7","3","7","1","1") = "6"
    & skf21("7","4","5","7","3","7","2","1") = "6"
    & skf21("7","4","5","7","3","7","3","1") = "6"
    & skf21("7","4","5","7","3","7","4","1") = "6"
    & skf21("7","4","5","7","3","7","5","1") = "6"
    & skf21("7","4","5","7","3","7","6","1") = "6"
    & skf21("7","4","5","7","3","7","7","1") = "6"
    & skf21("7","4","5","7","4","1","1","1") = "6"
    & skf21("7","4","5","7","4","1","2","1") = "6"
    & skf21("7","4","5","7","4","1","3","1") = "6"
    & skf21("7","4","5","7","4","1","4","1") = "6"
    & skf21("7","4","5","7","4","1","5","1") = "6"
    & skf21("7","4","5","7","4","1","6","1") = "6"
    & skf21("7","4","5","7","4","1","7","1") = "6"
    & skf21("7","4","5","7","4","2","1","1") = "6"
    & skf21("7","4","5","7","4","2","2","1") = "6"
    & skf21("7","4","5","7","4","2","3","1") = "6"
    & skf21("7","4","5","7","4","2","4","1") = "6"
    & skf21("7","4","5","7","4","2","5","1") = "6"
    & skf21("7","4","5","7","4","2","6","1") = "6"
    & skf21("7","4","5","7","4","2","7","1") = "6"
    & skf21("7","4","5","7","4","3","1","1") = "6"
    & skf21("7","4","5","7","4","3","2","1") = "6"
    & skf21("7","4","5","7","4","3","3","1") = "6"
    & skf21("7","4","5","7","4","3","4","1") = "6"
    & skf21("7","4","5","7","4","3","5","1") = "6"
    & skf21("7","4","5","7","4","3","6","1") = "6"
    & skf21("7","4","5","7","4","3","7","1") = "6"
    & skf21("7","4","5","7","4","4","1","1") = "6"
    & skf21("7","4","5","7","4","4","2","1") = "6"
    & skf21("7","4","5","7","4","4","3","1") = "6"
    & skf21("7","4","5","7","4","4","4","1") = "6"
    & skf21("7","4","5","7","4","4","5","1") = "6"
    & skf21("7","4","5","7","4","4","6","1") = "6"
    & skf21("7","4","5","7","4","4","7","1") = "6"
    & skf21("7","4","5","7","4","5","1","1") = "6"
    & skf21("7","4","5","7","4","5","2","1") = "6"
    & skf21("7","4","5","7","4","5","3","1") = "6"
    & skf21("7","4","5","7","4","5","4","1") = "6"
    & skf21("7","4","5","7","4","5","5","1") = "6"
    & skf21("7","4","5","7","4","5","6","1") = "6"
    & skf21("7","4","5","7","4","5","7","1") = "6"
    & skf21("7","4","5","7","4","6","1","1") = "6"
    & skf21("7","4","5","7","4","6","2","1") = "6"
    & skf21("7","4","5","7","4","6","3","1") = "6"
    & skf21("7","4","5","7","4","6","4","1") = "6"
    & skf21("7","4","5","7","4","6","5","1") = "6"
    & skf21("7","4","5","7","4","6","6","1") = "6"
    & skf21("7","4","5","7","4","6","7","1") = "6"
    & skf21("7","4","5","7","4","7","1","1") = "6"
    & skf21("7","4","5","7","4","7","2","1") = "6"
    & skf21("7","4","5","7","4","7","3","1") = "6"
    & skf21("7","4","5","7","4","7","4","1") = "6"
    & skf21("7","4","5","7","4","7","5","1") = "6"
    & skf21("7","4","5","7","4","7","6","1") = "6"
    & skf21("7","4","5","7","4","7","7","1") = "6"
    & skf21("7","4","5","7","5","1","1","1") = "6"
    & skf21("7","4","5","7","5","1","2","1") = "6"
    & skf21("7","4","5","7","5","1","3","1") = "6"
    & skf21("7","4","5","7","5","1","4","1") = "6"
    & skf21("7","4","5","7","5","1","5","1") = "6"
    & skf21("7","4","5","7","5","1","6","1") = "6"
    & skf21("7","4","5","7","5","1","7","1") = "6"
    & skf21("7","4","5","7","5","2","1","1") = "6"
    & skf21("7","4","5","7","5","2","2","1") = "6"
    & skf21("7","4","5","7","5","2","3","1") = "6"
    & skf21("7","4","5","7","5","2","4","1") = "6"
    & skf21("7","4","5","7","5","2","5","1") = "6"
    & skf21("7","4","5","7","5","2","6","1") = "6"
    & skf21("7","4","5","7","5","2","7","1") = "6"
    & skf21("7","4","5","7","5","3","1","1") = "6"
    & skf21("7","4","5","7","5","3","2","1") = "6"
    & skf21("7","4","5","7","5","3","3","1") = "6"
    & skf21("7","4","5","7","5","3","4","1") = "6"
    & skf21("7","4","5","7","5","3","5","1") = "6"
    & skf21("7","4","5","7","5","3","6","1") = "6"
    & skf21("7","4","5","7","5","3","7","1") = "6"
    & skf21("7","4","5","7","5","4","1","1") = "6"
    & skf21("7","4","5","7","5","4","2","1") = "6"
    & skf21("7","4","5","7","5","4","3","1") = "6"
    & skf21("7","4","5","7","5","4","4","1") = "6"
    & skf21("7","4","5","7","5","4","5","1") = "6"
    & skf21("7","4","5","7","5","4","6","1") = "6"
    & skf21("7","4","5","7","5","4","7","1") = "6"
    & skf21("7","4","5","7","5","5","1","1") = "6"
    & skf21("7","4","5","7","5","5","2","1") = "6"
    & skf21("7","4","5","7","5","5","3","1") = "6"
    & skf21("7","4","5","7","5","5","4","1") = "6"
    & skf21("7","4","5","7","5","5","5","1") = "6"
    & skf21("7","4","5","7","5","5","6","1") = "6"
    & skf21("7","4","5","7","5","5","7","1") = "6"
    & skf21("7","4","5","7","5","6","1","1") = "6"
    & skf21("7","4","5","7","5","6","2","1") = "6"
    & skf21("7","4","5","7","5","6","3","1") = "6"
    & skf21("7","4","5","7","5","6","4","1") = "6"
    & skf21("7","4","5","7","5","6","5","1") = "6"
    & skf21("7","4","5","7","5","6","6","1") = "6"
    & skf21("7","4","5","7","5","6","7","1") = "6"
    & skf21("7","4","5","7","5","7","1","1") = "6"
    & skf21("7","4","5","7","5","7","2","1") = "6"
    & skf21("7","4","5","7","5","7","3","1") = "6"
    & skf21("7","4","5","7","5","7","4","1") = "6"
    & skf21("7","4","5","7","5","7","5","1") = "6"
    & skf21("7","4","5","7","5","7","6","1") = "6"
    & skf21("7","4","5","7","5","7","7","1") = "6"
    & skf21("7","4","5","7","6","1","1","1") = "6"
    & skf21("7","4","5","7","6","1","2","1") = "6"
    & skf21("7","4","5","7","6","1","3","1") = "6"
    & skf21("7","4","5","7","6","1","4","1") = "6"
    & skf21("7","4","5","7","6","1","5","1") = "6"
    & skf21("7","4","5","7","6","1","6","1") = "6"
    & skf21("7","4","5","7","6","1","7","1") = "6"
    & skf21("7","4","5","7","6","2","1","1") = "6"
    & skf21("7","4","5","7","6","2","2","1") = "6"
    & skf21("7","4","5","7","6","2","3","1") = "6"
    & skf21("7","4","5","7","6","2","4","1") = "6"
    & skf21("7","4","5","7","6","2","5","1") = "6"
    & skf21("7","4","5","7","6","2","6","1") = "6"
    & skf21("7","4","5","7","6","2","7","1") = "6"
    & skf21("7","4","5","7","6","3","1","1") = "6"
    & skf21("7","4","5","7","6","3","2","1") = "6"
    & skf21("7","4","5","7","6","3","3","1") = "6"
    & skf21("7","4","5","7","6","3","4","1") = "6"
    & skf21("7","4","5","7","6","3","5","1") = "6"
    & skf21("7","4","5","7","6","3","6","1") = "6"
    & skf21("7","4","5","7","6","3","7","1") = "6"
    & skf21("7","4","5","7","6","4","1","1") = "6"
    & skf21("7","4","5","7","6","4","2","1") = "6"
    & skf21("7","4","5","7","6","4","3","1") = "6"
    & skf21("7","4","5","7","6","4","4","1") = "6"
    & skf21("7","4","5","7","6","4","5","1") = "6"
    & skf21("7","4","5","7","6","4","6","1") = "6"
    & skf21("7","4","5","7","6","4","7","1") = "6"
    & skf21("7","4","5","7","6","5","1","1") = "6"
    & skf21("7","4","5","7","6","5","2","1") = "6"
    & skf21("7","4","5","7","6","5","3","1") = "6"
    & skf21("7","4","5","7","6","5","4","1") = "6"
    & skf21("7","4","5","7","6","5","5","1") = "6"
    & skf21("7","4","5","7","6","5","6","1") = "6"
    & skf21("7","4","5","7","6","5","7","1") = "6"
    & skf21("7","4","5","7","6","6","1","1") = "6"
    & skf21("7","4","5","7","6","6","2","1") = "6"
    & skf21("7","4","5","7","6","6","3","1") = "6"
    & skf21("7","4","5","7","6","6","4","1") = "6"
    & skf21("7","4","5","7","6","6","5","1") = "6"
    & skf21("7","4","5","7","6","6","6","1") = "6"
    & skf21("7","4","5","7","6","6","7","1") = "6"
    & skf21("7","4","5","7","6","7","1","1") = "6"
    & skf21("7","4","5","7","6","7","2","1") = "6"
    & skf21("7","4","5","7","6","7","3","1") = "6"
    & skf21("7","4","5","7","6","7","4","1") = "6"
    & skf21("7","4","5","7","6","7","5","1") = "6"
    & skf21("7","4","5","7","6","7","6","1") = "6"
    & skf21("7","4","5","7","6","7","7","1") = "6"
    & skf21("7","4","5","7","7","1","1","1") = "6"
    & skf21("7","4","5","7","7","1","2","1") = "6"
    & skf21("7","4","5","7","7","1","3","1") = "6"
    & skf21("7","4","5","7","7","1","4","1") = "6"
    & skf21("7","4","5","7","7","1","5","1") = "6"
    & skf21("7","4","5","7","7","1","6","1") = "6"
    & skf21("7","4","5","7","7","1","7","1") = "6"
    & skf21("7","4","5","7","7","2","1","1") = "6"
    & skf21("7","4","5","7","7","2","2","1") = "6"
    & skf21("7","4","5","7","7","2","3","1") = "6"
    & skf21("7","4","5","7","7","2","4","1") = "6"
    & skf21("7","4","5","7","7","2","5","1") = "6"
    & skf21("7","4","5","7","7","2","6","1") = "6"
    & skf21("7","4","5","7","7","2","7","1") = "6"
    & skf21("7","4","5","7","7","3","1","1") = "6"
    & skf21("7","4","5","7","7","3","2","1") = "6"
    & skf21("7","4","5","7","7","3","3","1") = "6"
    & skf21("7","4","5","7","7","3","4","1") = "6"
    & skf21("7","4","5","7","7","3","5","1") = "6"
    & skf21("7","4","5","7","7","3","6","1") = "6"
    & skf21("7","4","5","7","7","3","7","1") = "6"
    & skf21("7","4","5","7","7","4","1","1") = "6"
    & skf21("7","4","5","7","7","4","2","1") = "6"
    & skf21("7","4","5","7","7","4","3","1") = "6"
    & skf21("7","4","5","7","7","4","4","1") = "6"
    & skf21("7","4","5","7","7","4","5","1") = "6"
    & skf21("7","4","5","7","7","4","6","1") = "6"
    & skf21("7","4","5","7","7","4","7","1") = "6"
    & skf21("7","4","5","7","7","5","1","1") = "6"
    & skf21("7","4","5","7","7","5","2","1") = "6"
    & skf21("7","4","5","7","7","5","3","1") = "6"
    & skf21("7","4","5","7","7","5","4","1") = "6"
    & skf21("7","4","5","7","7","5","5","1") = "6"
    & skf21("7","4","5","7","7","5","6","1") = "6"
    & skf21("7","4","5","7","7","5","7","1") = "6"
    & skf21("7","4","5","7","7","6","1","1") = "6"
    & skf21("7","4","5","7","7","6","2","1") = "6"
    & skf21("7","4","5","7","7","6","3","1") = "6"
    & skf21("7","4","5","7","7","6","4","1") = "6"
    & skf21("7","4","5","7","7","6","5","1") = "6"
    & skf21("7","4","5","7","7","6","6","1") = "6"
    & skf21("7","4","5","7","7","6","7","1") = "6"
    & skf21("7","4","5","7","7","7","1","1") = "6"
    & skf21("7","4","5","7","7","7","2","1") = "6"
    & skf21("7","4","5","7","7","7","3","1") = "6"
    & skf21("7","4","5","7","7","7","4","1") = "6"
    & skf21("7","4","5","7","7","7","5","1") = "6"
    & skf21("7","4","5","7","7","7","6","1") = "6"
    & skf21("7","4","5","7","7","7","7","1") = "6"
    & skf21("7","4","6","1","1","1","1","1") = "6"
    & skf21("7","4","6","1","1","1","2","1") = "6"
    & skf21("7","4","6","1","1","1","3","1") = "6"
    & skf21("7","4","6","1","1","1","4","1") = "6"
    & skf21("7","4","6","1","1","1","5","1") = "6"
    & skf21("7","4","6","1","1","1","6","1") = "6"
    & skf21("7","4","6","1","1","1","7","1") = "6"
    & skf21("7","4","6","1","1","2","1","1") = "6"
    & skf21("7","4","6","1","1","2","2","1") = "6"
    & skf21("7","4","6","1","1","2","3","1") = "6"
    & skf21("7","4","6","1","1","2","4","1") = "6"
    & skf21("7","4","6","1","1","2","5","1") = "6"
    & skf21("7","4","6","1","1","2","6","1") = "6"
    & skf21("7","4","6","1","1","2","7","1") = "6"
    & skf21("7","4","6","1","1","3","1","1") = "6"
    & skf21("7","4","6","1","1","3","2","1") = "6"
    & skf21("7","4","6","1","1","3","3","1") = "6"
    & skf21("7","4","6","1","1","3","4","1") = "6"
    & skf21("7","4","6","1","1","3","5","1") = "6"
    & skf21("7","4","6","1","1","3","6","1") = "6"
    & skf21("7","4","6","1","1","3","7","1") = "6"
    & skf21("7","4","6","1","1","4","1","1") = "6"
    & skf21("7","4","6","1","1","4","2","1") = "6"
    & skf21("7","4","6","1","1","4","3","1") = "6"
    & skf21("7","4","6","1","1","4","4","1") = "6"
    & skf21("7","4","6","1","1","4","5","1") = "6"
    & skf21("7","4","6","1","1","4","6","1") = "6"
    & skf21("7","4","6","1","1","4","7","1") = "6"
    & skf21("7","4","6","1","1","5","1","1") = "6"
    & skf21("7","4","6","1","1","5","2","1") = "6"
    & skf21("7","4","6","1","1","5","3","1") = "6"
    & skf21("7","4","6","1","1","5","4","1") = "6"
    & skf21("7","4","6","1","1","5","5","1") = "6"
    & skf21("7","4","6","1","1","5","6","1") = "6"
    & skf21("7","4","6","1","1","5","7","1") = "6"
    & skf21("7","4","6","1","1","6","1","1") = "6"
    & skf21("7","4","6","1","1","6","2","1") = "6"
    & skf21("7","4","6","1","1","6","3","1") = "6"
    & skf21("7","4","6","1","1","6","4","1") = "6"
    & skf21("7","4","6","1","1","6","5","1") = "6"
    & skf21("7","4","6","1","1","6","6","1") = "6"
    & skf21("7","4","6","1","1","6","7","1") = "6"
    & skf21("7","4","6","1","1","7","1","1") = "6"
    & skf21("7","4","6","1","1","7","2","1") = "6"
    & skf21("7","4","6","1","1","7","3","1") = "6"
    & skf21("7","4","6","1","1","7","4","1") = "6"
    & skf21("7","4","6","1","1","7","5","1") = "6"
    & skf21("7","4","6","1","1","7","6","1") = "6"
    & skf21("7","4","6","1","1","7","7","1") = "6"
    & skf21("7","4","6","1","2","1","1","1") = "6"
    & skf21("7","4","6","1","2","1","2","1") = "6"
    & skf21("7","4","6","1","2","1","3","1") = "6"
    & skf21("7","4","6","1","2","1","4","1") = "6"
    & skf21("7","4","6","1","2","1","5","1") = "6"
    & skf21("7","4","6","1","2","1","6","1") = "6"
    & skf21("7","4","6","1","2","1","7","1") = "6"
    & skf21("7","4","6","1","2","2","1","1") = "6"
    & skf21("7","4","6","1","2","2","2","1") = "6"
    & skf21("7","4","6","1","2","2","3","1") = "6"
    & skf21("7","4","6","1","2","2","4","1") = "6"
    & skf21("7","4","6","1","2","2","5","1") = "6"
    & skf21("7","4","6","1","2","2","6","1") = "6"
    & skf21("7","4","6","1","2","2","7","1") = "6"
    & skf21("7","4","6","1","2","3","1","1") = "6"
    & skf21("7","4","6","1","2","3","2","1") = "6"
    & skf21("7","4","6","1","2","3","3","1") = "6"
    & skf21("7","4","6","1","2","3","4","1") = "6"
    & skf21("7","4","6","1","2","3","5","1") = "6"
    & skf21("7","4","6","1","2","3","6","1") = "6"
    & skf21("7","4","6","1","2","3","7","1") = "6"
    & skf21("7","4","6","1","2","4","1","1") = "6"
    & skf21("7","4","6","1","2","4","2","1") = "6"
    & skf21("7","4","6","1","2","4","3","1") = "6"
    & skf21("7","4","6","1","2","4","4","1") = "6"
    & skf21("7","4","6","1","2","4","5","1") = "6"
    & skf21("7","4","6","1","2","4","6","1") = "6"
    & skf21("7","4","6","1","2","4","7","1") = "6"
    & skf21("7","4","6","1","2","5","1","1") = "6"
    & skf21("7","4","6","1","2","5","2","1") = "6"
    & skf21("7","4","6","1","2","5","3","1") = "6"
    & skf21("7","4","6","1","2","5","4","1") = "6"
    & skf21("7","4","6","1","2","5","5","1") = "6"
    & skf21("7","4","6","1","2","5","6","1") = "6"
    & skf21("7","4","6","1","2","5","7","1") = "6"
    & skf21("7","4","6","1","2","6","1","1") = "6"
    & skf21("7","4","6","1","2","6","2","1") = "6"
    & skf21("7","4","6","1","2","6","3","1") = "6"
    & skf21("7","4","6","1","2","6","4","1") = "6"
    & skf21("7","4","6","1","2","6","5","1") = "6"
    & skf21("7","4","6","1","2","6","6","1") = "6"
    & skf21("7","4","6","1","2","6","7","1") = "6"
    & skf21("7","4","6","1","2","7","1","1") = "6"
    & skf21("7","4","6","1","2","7","2","1") = "6"
    & skf21("7","4","6","1","2","7","3","1") = "6"
    & skf21("7","4","6","1","2","7","4","1") = "6"
    & skf21("7","4","6","1","2","7","5","1") = "6"
    & skf21("7","4","6","1","2","7","6","1") = "6"
    & skf21("7","4","6","1","2","7","7","1") = "6"
    & skf21("7","4","6","1","3","1","1","1") = "6"
    & skf21("7","4","6","1","3","1","2","1") = "6"
    & skf21("7","4","6","1","3","1","3","1") = "6"
    & skf21("7","4","6","1","3","1","4","1") = "6"
    & skf21("7","4","6","1","3","1","5","1") = "6"
    & skf21("7","4","6","1","3","1","6","1") = "6"
    & skf21("7","4","6","1","3","1","7","1") = "6"
    & skf21("7","4","6","1","3","2","1","1") = "6"
    & skf21("7","4","6","1","3","2","2","1") = "6"
    & skf21("7","4","6","1","3","2","3","1") = "6"
    & skf21("7","4","6","1","3","2","4","1") = "6"
    & skf21("7","4","6","1","3","2","5","1") = "6"
    & skf21("7","4","6","1","3","2","6","1") = "6"
    & skf21("7","4","6","1","3","2","7","1") = "6"
    & skf21("7","4","6","1","3","3","1","1") = "6"
    & skf21("7","4","6","1","3","3","2","1") = "6"
    & skf21("7","4","6","1","3","3","3","1") = "6"
    & skf21("7","4","6","1","3","3","4","1") = "6"
    & skf21("7","4","6","1","3","3","5","1") = "6"
    & skf21("7","4","6","1","3","3","6","1") = "6"
    & skf21("7","4","6","1","3","3","7","1") = "6"
    & skf21("7","4","6","1","3","4","1","1") = "6"
    & skf21("7","4","6","1","3","4","2","1") = "6"
    & skf21("7","4","6","1","3","4","3","1") = "6"
    & skf21("7","4","6","1","3","4","4","1") = "6"
    & skf21("7","4","6","1","3","4","5","1") = "6"
    & skf21("7","4","6","1","3","4","6","1") = "6"
    & skf21("7","4","6","1","3","4","7","1") = "6"
    & skf21("7","4","6","1","3","5","1","1") = "6"
    & skf21("7","4","6","1","3","5","2","1") = "6"
    & skf21("7","4","6","1","3","5","3","1") = "6"
    & skf21("7","4","6","1","3","5","4","1") = "6"
    & skf21("7","4","6","1","3","5","5","1") = "6"
    & skf21("7","4","6","1","3","5","6","1") = "6"
    & skf21("7","4","6","1","3","5","7","1") = "6"
    & skf21("7","4","6","1","3","6","1","1") = "6"
    & skf21("7","4","6","1","3","6","2","1") = "6"
    & skf21("7","4","6","1","3","6","3","1") = "6"
    & skf21("7","4","6","1","3","6","4","1") = "6"
    & skf21("7","4","6","1","3","6","5","1") = "6"
    & skf21("7","4","6","1","3","6","6","1") = "6"
    & skf21("7","4","6","1","3","6","7","1") = "6"
    & skf21("7","4","6","1","3","7","1","1") = "6"
    & skf21("7","4","6","1","3","7","2","1") = "6"
    & skf21("7","4","6","1","3","7","3","1") = "6"
    & skf21("7","4","6","1","3","7","4","1") = "6"
    & skf21("7","4","6","1","3","7","5","1") = "6"
    & skf21("7","4","6","1","3","7","6","1") = "6"
    & skf21("7","4","6","1","3","7","7","1") = "6"
    & skf21("7","4","6","1","4","1","1","1") = "6"
    & skf21("7","4","6","1","4","1","2","1") = "6"
    & skf21("7","4","6","1","4","1","3","1") = "6"
    & skf21("7","4","6","1","4","1","4","1") = "6"
    & skf21("7","4","6","1","4","1","5","1") = "6"
    & skf21("7","4","6","1","4","1","6","1") = "6"
    & skf21("7","4","6","1","4","1","7","1") = "6"
    & skf21("7","4","6","1","4","2","1","1") = "6"
    & skf21("7","4","6","1","4","2","2","1") = "6"
    & skf21("7","4","6","1","4","2","3","1") = "6"
    & skf21("7","4","6","1","4","2","4","1") = "6"
    & skf21("7","4","6","1","4","2","5","1") = "6"
    & skf21("7","4","6","1","4","2","6","1") = "6"
    & skf21("7","4","6","1","4","2","7","1") = "6"
    & skf21("7","4","6","1","4","3","1","1") = "6"
    & skf21("7","4","6","1","4","3","2","1") = "6"
    & skf21("7","4","6","1","4","3","3","1") = "6"
    & skf21("7","4","6","1","4","3","4","1") = "6"
    & skf21("7","4","6","1","4","3","5","1") = "6"
    & skf21("7","4","6","1","4","3","6","1") = "6"
    & skf21("7","4","6","1","4","3","7","1") = "6"
    & skf21("7","4","6","1","4","4","1","1") = "6"
    & skf21("7","4","6","1","4","4","2","1") = "6"
    & skf21("7","4","6","1","4","4","3","1") = "6"
    & skf21("7","4","6","1","4","4","4","1") = "6"
    & skf21("7","4","6","1","4","4","5","1") = "6"
    & skf21("7","4","6","1","4","4","6","1") = "6"
    & skf21("7","4","6","1","4","4","7","1") = "6"
    & skf21("7","4","6","1","4","5","1","1") = "6"
    & skf21("7","4","6","1","4","5","2","1") = "6"
    & skf21("7","4","6","1","4","5","3","1") = "6"
    & skf21("7","4","6","1","4","5","4","1") = "6"
    & skf21("7","4","6","1","4","5","5","1") = "6"
    & skf21("7","4","6","1","4","5","6","1") = "6"
    & skf21("7","4","6","1","4","5","7","1") = "6"
    & skf21("7","4","6","1","4","6","1","1") = "6"
    & skf21("7","4","6","1","4","6","2","1") = "6"
    & skf21("7","4","6","1","4","6","3","1") = "6"
    & skf21("7","4","6","1","4","6","4","1") = "6"
    & skf21("7","4","6","1","4","6","5","1") = "6"
    & skf21("7","4","6","1","4","6","6","1") = "6"
    & skf21("7","4","6","1","4","6","7","1") = "6"
    & skf21("7","4","6","1","4","7","1","1") = "6"
    & skf21("7","4","6","1","4","7","2","1") = "6"
    & skf21("7","4","6","1","4","7","3","1") = "6"
    & skf21("7","4","6","1","4","7","4","1") = "6"
    & skf21("7","4","6","1","4","7","5","1") = "6"
    & skf21("7","4","6","1","4","7","6","1") = "6"
    & skf21("7","4","6","1","4","7","7","1") = "6"
    & skf21("7","4","6","1","5","1","1","1") = "6"
    & skf21("7","4","6","1","5","1","2","1") = "6"
    & skf21("7","4","6","1","5","1","3","1") = "6"
    & skf21("7","4","6","1","5","1","4","1") = "6"
    & skf21("7","4","6","1","5","1","5","1") = "6"
    & skf21("7","4","6","1","5","1","6","1") = "6"
    & skf21("7","4","6","1","5","1","7","1") = "6"
    & skf21("7","4","6","1","5","2","1","1") = "6"
    & skf21("7","4","6","1","5","2","2","1") = "6"
    & skf21("7","4","6","1","5","2","3","1") = "6"
    & skf21("7","4","6","1","5","2","4","1") = "6"
    & skf21("7","4","6","1","5","2","5","1") = "6"
    & skf21("7","4","6","1","5","2","6","1") = "6"
    & skf21("7","4","6","1","5","2","7","1") = "6"
    & skf21("7","4","6","1","5","3","1","1") = "6"
    & skf21("7","4","6","1","5","3","2","1") = "6"
    & skf21("7","4","6","1","5","3","3","1") = "6"
    & skf21("7","4","6","1","5","3","4","1") = "6"
    & skf21("7","4","6","1","5","3","5","1") = "6"
    & skf21("7","4","6","1","5","3","6","1") = "6"
    & skf21("7","4","6","1","5","3","7","1") = "6"
    & skf21("7","4","6","1","5","4","1","1") = "6"
    & skf21("7","4","6","1","5","4","2","1") = "6"
    & skf21("7","4","6","1","5","4","3","1") = "6"
    & skf21("7","4","6","1","5","4","4","1") = "6"
    & skf21("7","4","6","1","5","4","5","1") = "6"
    & skf21("7","4","6","1","5","4","6","1") = "6"
    & skf21("7","4","6","1","5","4","7","1") = "6"
    & skf21("7","4","6","1","5","5","1","1") = "6"
    & skf21("7","4","6","1","5","5","2","1") = "6"
    & skf21("7","4","6","1","5","5","3","1") = "6"
    & skf21("7","4","6","1","5","5","4","1") = "6"
    & skf21("7","4","6","1","5","5","5","1") = "6"
    & skf21("7","4","6","1","5","5","6","1") = "6"
    & skf21("7","4","6","1","5","5","7","1") = "6"
    & skf21("7","4","6","1","5","6","1","1") = "6"
    & skf21("7","4","6","1","5","6","2","1") = "6"
    & skf21("7","4","6","1","5","6","3","1") = "6"
    & skf21("7","4","6","1","5","6","4","1") = "6"
    & skf21("7","4","6","1","5","6","5","1") = "6"
    & skf21("7","4","6","1","5","6","6","1") = "6"
    & skf21("7","4","6","1","5","6","7","1") = "6"
    & skf21("7","4","6","1","5","7","1","1") = "6"
    & skf21("7","4","6","1","5","7","2","1") = "6"
    & skf21("7","4","6","1","5","7","3","1") = "6"
    & skf21("7","4","6","1","5","7","4","1") = "6"
    & skf21("7","4","6","1","5","7","5","1") = "6"
    & skf21("7","4","6","1","5","7","6","1") = "6"
    & skf21("7","4","6","1","5","7","7","1") = "6"
    & skf21("7","4","6","1","6","1","1","1") = "6"
    & skf21("7","4","6","1","6","1","2","1") = "6"
    & skf21("7","4","6","1","6","1","3","1") = "6"
    & skf21("7","4","6","1","6","1","4","1") = "6"
    & skf21("7","4","6","1","6","1","5","1") = "6"
    & skf21("7","4","6","1","6","1","6","1") = "6"
    & skf21("7","4","6","1","6","1","7","1") = "6"
    & skf21("7","4","6","1","6","2","1","1") = "6"
    & skf21("7","4","6","1","6","2","2","1") = "6"
    & skf21("7","4","6","1","6","2","3","1") = "6"
    & skf21("7","4","6","1","6","2","4","1") = "6"
    & skf21("7","4","6","1","6","2","5","1") = "6"
    & skf21("7","4","6","1","6","2","6","1") = "6"
    & skf21("7","4","6","1","6","2","7","1") = "6"
    & skf21("7","4","6","1","6","3","1","1") = "6"
    & skf21("7","4","6","1","6","3","2","1") = "6"
    & skf21("7","4","6","1","6","3","3","1") = "6"
    & skf21("7","4","6","1","6","3","4","1") = "6"
    & skf21("7","4","6","1","6","3","5","1") = "6"
    & skf21("7","4","6","1","6","3","6","1") = "6"
    & skf21("7","4","6","1","6","3","7","1") = "6"
    & skf21("7","4","6","1","6","4","1","1") = "6"
    & skf21("7","4","6","1","6","4","2","1") = "6"
    & skf21("7","4","6","1","6","4","3","1") = "6"
    & skf21("7","4","6","1","6","4","4","1") = "6"
    & skf21("7","4","6","1","6","4","5","1") = "6"
    & skf21("7","4","6","1","6","4","6","1") = "6"
    & skf21("7","4","6","1","6","4","7","1") = "6"
    & skf21("7","4","6","1","6","5","1","1") = "6"
    & skf21("7","4","6","1","6","5","2","1") = "6"
    & skf21("7","4","6","1","6","5","3","1") = "6"
    & skf21("7","4","6","1","6","5","4","1") = "6"
    & skf21("7","4","6","1","6","5","5","1") = "6"
    & skf21("7","4","6","1","6","5","6","1") = "6"
    & skf21("7","4","6","1","6","5","7","1") = "6"
    & skf21("7","4","6","1","6","6","1","1") = "6"
    & skf21("7","4","6","1","6","6","2","1") = "6"
    & skf21("7","4","6","1","6","6","3","1") = "6"
    & skf21("7","4","6","1","6","6","4","1") = "6"
    & skf21("7","4","6","1","6","6","5","1") = "6"
    & skf21("7","4","6","1","6","6","6","1") = "6"
    & skf21("7","4","6","1","6","6","7","1") = "6"
    & skf21("7","4","6","1","6","7","1","1") = "6"
    & skf21("7","4","6","1","6","7","2","1") = "6"
    & skf21("7","4","6","1","6","7","3","1") = "6"
    & skf21("7","4","6","1","6","7","4","1") = "6"
    & skf21("7","4","6","1","6","7","5","1") = "6"
    & skf21("7","4","6","1","6","7","6","1") = "6"
    & skf21("7","4","6","1","6","7","7","1") = "6"
    & skf21("7","4","6","1","7","1","1","1") = "6"
    & skf21("7","4","6","1","7","1","2","1") = "6"
    & skf21("7","4","6","1","7","1","3","1") = "6"
    & skf21("7","4","6","1","7","1","4","1") = "6"
    & skf21("7","4","6","1","7","1","5","1") = "6"
    & skf21("7","4","6","1","7","1","6","1") = "6"
    & skf21("7","4","6","1","7","1","7","1") = "6"
    & skf21("7","4","6","1","7","2","1","1") = "6"
    & skf21("7","4","6","1","7","2","2","1") = "6"
    & skf21("7","4","6","1","7","2","3","1") = "6"
    & skf21("7","4","6","1","7","2","4","1") = "6"
    & skf21("7","4","6","1","7","2","5","1") = "6"
    & skf21("7","4","6","1","7","2","6","1") = "6"
    & skf21("7","4","6","1","7","2","7","1") = "6"
    & skf21("7","4","6","1","7","3","1","1") = "6"
    & skf21("7","4","6","1","7","3","2","1") = "6"
    & skf21("7","4","6","1","7","3","3","1") = "6"
    & skf21("7","4","6","1","7","3","4","1") = "6"
    & skf21("7","4","6","1","7","3","5","1") = "6"
    & skf21("7","4","6","1","7","3","6","1") = "6"
    & skf21("7","4","6","1","7","3","7","1") = "6"
    & skf21("7","4","6","1","7","4","1","1") = "6"
    & skf21("7","4","6","1","7","4","2","1") = "6"
    & skf21("7","4","6","1","7","4","3","1") = "6"
    & skf21("7","4","6","1","7","4","4","1") = "6"
    & skf21("7","4","6","1","7","4","5","1") = "6"
    & skf21("7","4","6","1","7","4","6","1") = "6"
    & skf21("7","4","6","1","7","4","7","1") = "6"
    & skf21("7","4","6","1","7","5","1","1") = "6"
    & skf21("7","4","6","1","7","5","2","1") = "6"
    & skf21("7","4","6","1","7","5","3","1") = "6"
    & skf21("7","4","6","1","7","5","4","1") = "6"
    & skf21("7","4","6","1","7","5","5","1") = "6"
    & skf21("7","4","6","1","7","5","6","1") = "6"
    & skf21("7","4","6","1","7","5","7","1") = "6"
    & skf21("7","4","6","1","7","6","1","1") = "6"
    & skf21("7","4","6","1","7","6","2","1") = "6"
    & skf21("7","4","6","1","7","6","3","1") = "6"
    & skf21("7","4","6","1","7","6","4","1") = "6"
    & skf21("7","4","6","1","7","6","5","1") = "6"
    & skf21("7","4","6","1","7","6","6","1") = "6"
    & skf21("7","4","6","1","7","6","7","1") = "6"
    & skf21("7","4","6","1","7","7","1","1") = "6"
    & skf21("7","4","6","1","7","7","2","1") = "6"
    & skf21("7","4","6","1","7","7","3","1") = "6"
    & skf21("7","4","6","1","7","7","4","1") = "6"
    & skf21("7","4","6","1","7","7","5","1") = "6"
    & skf21("7","4","6","1","7","7","6","1") = "6"
    & skf21("7","4","6","1","7","7","7","1") = "6"
    & skf21("7","4","6","2","1","1","1","1") = "6"
    & skf21("7","4","6","2","1","1","2","1") = "6"
    & skf21("7","4","6","2","1","1","3","1") = "6"
    & skf21("7","4","6","2","1","1","4","1") = "6"
    & skf21("7","4","6","2","1","1","5","1") = "6"
    & skf21("7","4","6","2","1","1","6","1") = "6"
    & skf21("7","4","6","2","1","1","7","1") = "6"
    & skf21("7","4","6","2","1","2","1","1") = "6"
    & skf21("7","4","6","2","1","2","2","1") = "6"
    & skf21("7","4","6","2","1","2","3","1") = "6"
    & skf21("7","4","6","2","1","2","4","1") = "6"
    & skf21("7","4","6","2","1","2","5","1") = "6"
    & skf21("7","4","6","2","1","2","6","1") = "6"
    & skf21("7","4","6","2","1","2","7","1") = "6"
    & skf21("7","4","6","2","1","3","1","1") = "6"
    & skf21("7","4","6","2","1","3","2","1") = "6"
    & skf21("7","4","6","2","1","3","3","1") = "6"
    & skf21("7","4","6","2","1","3","4","1") = "6"
    & skf21("7","4","6","2","1","3","5","1") = "6"
    & skf21("7","4","6","2","1","3","6","1") = "6"
    & skf21("7","4","6","2","1","3","7","1") = "6"
    & skf21("7","4","6","2","1","4","1","1") = "6"
    & skf21("7","4","6","2","1","4","2","1") = "6"
    & skf21("7","4","6","2","1","4","3","1") = "6"
    & skf21("7","4","6","2","1","4","4","1") = "6"
    & skf21("7","4","6","2","1","4","5","1") = "6"
    & skf21("7","4","6","2","1","4","6","1") = "6"
    & skf21("7","4","6","2","1","4","7","1") = "6"
    & skf21("7","4","6","2","1","5","1","1") = "6"
    & skf21("7","4","6","2","1","5","2","1") = "6"
    & skf21("7","4","6","2","1","5","3","1") = "6"
    & skf21("7","4","6","2","1","5","4","1") = "6"
    & skf21("7","4","6","2","1","5","5","1") = "6"
    & skf21("7","4","6","2","1","5","6","1") = "6"
    & skf21("7","4","6","2","1","5","7","1") = "6"
    & skf21("7","4","6","2","1","6","1","1") = "6"
    & skf21("7","4","6","2","1","6","2","1") = "6"
    & skf21("7","4","6","2","1","6","3","1") = "6"
    & skf21("7","4","6","2","1","6","4","1") = "6"
    & skf21("7","4","6","2","1","6","5","1") = "6"
    & skf21("7","4","6","2","1","6","6","1") = "6"
    & skf21("7","4","6","2","1","6","7","1") = "6"
    & skf21("7","4","6","2","1","7","1","1") = "6"
    & skf21("7","4","6","2","1","7","2","1") = "6"
    & skf21("7","4","6","2","1","7","3","1") = "6"
    & skf21("7","4","6","2","1","7","4","1") = "6"
    & skf21("7","4","6","2","1","7","5","1") = "6"
    & skf21("7","4","6","2","1","7","6","1") = "6"
    & skf21("7","4","6","2","1","7","7","1") = "6"
    & skf21("7","4","6","2","2","1","1","1") = "6"
    & skf21("7","4","6","2","2","1","2","1") = "6"
    & skf21("7","4","6","2","2","1","3","1") = "6"
    & skf21("7","4","6","2","2","1","4","1") = "6"
    & skf21("7","4","6","2","2","1","5","1") = "6"
    & skf21("7","4","6","2","2","1","6","1") = "6"
    & skf21("7","4","6","2","2","1","7","1") = "6"
    & skf21("7","4","6","2","2","2","1","1") = "6"
    & skf21("7","4","6","2","2","2","2","1") = "6"
    & skf21("7","4","6","2","2","2","3","1") = "6"
    & skf21("7","4","6","2","2","2","4","1") = "6"
    & skf21("7","4","6","2","2","2","5","1") = "6"
    & skf21("7","4","6","2","2","2","6","1") = "6"
    & skf21("7","4","6","2","2","2","7","1") = "6"
    & skf21("7","4","6","2","2","3","1","1") = "6"
    & skf21("7","4","6","2","2","3","2","1") = "6"
    & skf21("7","4","6","2","2","3","3","1") = "6"
    & skf21("7","4","6","2","2","3","4","1") = "6"
    & skf21("7","4","6","2","2","3","5","1") = "6"
    & skf21("7","4","6","2","2","3","6","1") = "6"
    & skf21("7","4","6","2","2","3","7","1") = "6"
    & skf21("7","4","6","2","2","4","1","1") = "6"
    & skf21("7","4","6","2","2","4","2","1") = "6"
    & skf21("7","4","6","2","2","4","3","1") = "6"
    & skf21("7","4","6","2","2","4","4","1") = "6"
    & skf21("7","4","6","2","2","4","5","1") = "6"
    & skf21("7","4","6","2","2","4","6","1") = "6"
    & skf21("7","4","6","2","2","4","7","1") = "6"
    & skf21("7","4","6","2","2","5","1","1") = "6"
    & skf21("7","4","6","2","2","5","2","1") = "6"
    & skf21("7","4","6","2","2","5","3","1") = "6"
    & skf21("7","4","6","2","2","5","4","1") = "6"
    & skf21("7","4","6","2","2","5","5","1") = "6"
    & skf21("7","4","6","2","2","5","6","1") = "6"
    & skf21("7","4","6","2","2","5","7","1") = "6"
    & skf21("7","4","6","2","2","6","1","1") = "6"
    & skf21("7","4","6","2","2","6","2","1") = "6"
    & skf21("7","4","6","2","2","6","3","1") = "6"
    & skf21("7","4","6","2","2","6","4","1") = "6"
    & skf21("7","4","6","2","2","6","5","1") = "6"
    & skf21("7","4","6","2","2","6","6","1") = "6"
    & skf21("7","4","6","2","2","6","7","1") = "6"
    & skf21("7","4","6","2","2","7","1","1") = "6"
    & skf21("7","4","6","2","2","7","2","1") = "6"
    & skf21("7","4","6","2","2","7","3","1") = "6"
    & skf21("7","4","6","2","2","7","4","1") = "6"
    & skf21("7","4","6","2","2","7","5","1") = "6"
    & skf21("7","4","6","2","2","7","6","1") = "6"
    & skf21("7","4","6","2","2","7","7","1") = "6"
    & skf21("7","4","6","2","3","1","1","1") = "6"
    & skf21("7","4","6","2","3","1","2","1") = "6"
    & skf21("7","4","6","2","3","1","3","1") = "6"
    & skf21("7","4","6","2","3","1","4","1") = "6"
    & skf21("7","4","6","2","3","1","5","1") = "6"
    & skf21("7","4","6","2","3","1","6","1") = "6"
    & skf21("7","4","6","2","3","1","7","1") = "6"
    & skf21("7","4","6","2","3","2","1","1") = "6"
    & skf21("7","4","6","2","3","2","2","1") = "6"
    & skf21("7","4","6","2","3","2","3","1") = "6"
    & skf21("7","4","6","2","3","2","4","1") = "6"
    & skf21("7","4","6","2","3","2","5","1") = "6"
    & skf21("7","4","6","2","3","2","6","1") = "6"
    & skf21("7","4","6","2","3","2","7","1") = "6"
    & skf21("7","4","6","2","3","3","1","1") = "6"
    & skf21("7","4","6","2","3","3","2","1") = "6"
    & skf21("7","4","6","2","3","3","3","1") = "6"
    & skf21("7","4","6","2","3","3","4","1") = "6"
    & skf21("7","4","6","2","3","3","5","1") = "6"
    & skf21("7","4","6","2","3","3","6","1") = "6"
    & skf21("7","4","6","2","3","3","7","1") = "6"
    & skf21("7","4","6","2","3","4","1","1") = "6"
    & skf21("7","4","6","2","3","4","2","1") = "6"
    & skf21("7","4","6","2","3","4","3","1") = "6"
    & skf21("7","4","6","2","3","4","4","1") = "6"
    & skf21("7","4","6","2","3","4","5","1") = "6"
    & skf21("7","4","6","2","3","4","6","1") = "6"
    & skf21("7","4","6","2","3","4","7","1") = "6"
    & skf21("7","4","6","2","3","5","1","1") = "6"
    & skf21("7","4","6","2","3","5","2","1") = "6"
    & skf21("7","4","6","2","3","5","3","1") = "6"
    & skf21("7","4","6","2","3","5","4","1") = "6"
    & skf21("7","4","6","2","3","5","5","1") = "6"
    & skf21("7","4","6","2","3","5","6","1") = "6"
    & skf21("7","4","6","2","3","5","7","1") = "6"
    & skf21("7","4","6","2","3","6","1","1") = "6"
    & skf21("7","4","6","2","3","6","2","1") = "6"
    & skf21("7","4","6","2","3","6","3","1") = "6"
    & skf21("7","4","6","2","3","6","4","1") = "6"
    & skf21("7","4","6","2","3","6","5","1") = "6"
    & skf21("7","4","6","2","3","6","6","1") = "6"
    & skf21("7","4","6","2","3","6","7","1") = "6"
    & skf21("7","4","6","2","3","7","1","1") = "6"
    & skf21("7","4","6","2","3","7","2","1") = "6"
    & skf21("7","4","6","2","3","7","3","1") = "6"
    & skf21("7","4","6","2","3","7","4","1") = "6"
    & skf21("7","4","6","2","3","7","5","1") = "6"
    & skf21("7","4","6","2","3","7","6","1") = "6"
    & skf21("7","4","6","2","3","7","7","1") = "6"
    & skf21("7","4","6","2","4","1","1","1") = "6"
    & skf21("7","4","6","2","4","1","2","1") = "6"
    & skf21("7","4","6","2","4","1","3","1") = "6"
    & skf21("7","4","6","2","4","1","4","1") = "6"
    & skf21("7","4","6","2","4","1","5","1") = "6"
    & skf21("7","4","6","2","4","1","6","1") = "6"
    & skf21("7","4","6","2","4","1","7","1") = "6"
    & skf21("7","4","6","2","4","2","1","1") = "6"
    & skf21("7","4","6","2","4","2","2","1") = "6"
    & skf21("7","4","6","2","4","2","3","1") = "6"
    & skf21("7","4","6","2","4","2","4","1") = "6"
    & skf21("7","4","6","2","4","2","5","1") = "6"
    & skf21("7","4","6","2","4","2","6","1") = "6"
    & skf21("7","4","6","2","4","2","7","1") = "6"
    & skf21("7","4","6","2","4","3","1","1") = "6"
    & skf21("7","4","6","2","4","3","2","1") = "6"
    & skf21("7","4","6","2","4","3","3","1") = "6"
    & skf21("7","4","6","2","4","3","4","1") = "6"
    & skf21("7","4","6","2","4","3","5","1") = "6"
    & skf21("7","4","6","2","4","3","6","1") = "6"
    & skf21("7","4","6","2","4","3","7","1") = "6"
    & skf21("7","4","6","2","4","4","1","1") = "6"
    & skf21("7","4","6","2","4","4","2","1") = "6"
    & skf21("7","4","6","2","4","4","3","1") = "6"
    & skf21("7","4","6","2","4","4","4","1") = "6"
    & skf21("7","4","6","2","4","4","5","1") = "6"
    & skf21("7","4","6","2","4","4","6","1") = "6"
    & skf21("7","4","6","2","4","4","7","1") = "6"
    & skf21("7","4","6","2","4","5","1","1") = "6"
    & skf21("7","4","6","2","4","5","2","1") = "6"
    & skf21("7","4","6","2","4","5","3","1") = "6"
    & skf21("7","4","6","2","4","5","4","1") = "6"
    & skf21("7","4","6","2","4","5","5","1") = "6"
    & skf21("7","4","6","2","4","5","6","1") = "6"
    & skf21("7","4","6","2","4","5","7","1") = "6"
    & skf21("7","4","6","2","4","6","1","1") = "6"
    & skf21("7","4","6","2","4","6","2","1") = "6"
    & skf21("7","4","6","2","4","6","3","1") = "6"
    & skf21("7","4","6","2","4","6","4","1") = "6"
    & skf21("7","4","6","2","4","6","5","1") = "6"
    & skf21("7","4","6","2","4","6","6","1") = "6"
    & skf21("7","4","6","2","4","6","7","1") = "6"
    & skf21("7","4","6","2","4","7","1","1") = "6"
    & skf21("7","4","6","2","4","7","2","1") = "6"
    & skf21("7","4","6","2","4","7","3","1") = "6"
    & skf21("7","4","6","2","4","7","4","1") = "6"
    & skf21("7","4","6","2","4","7","5","1") = "6"
    & skf21("7","4","6","2","4","7","6","1") = "6"
    & skf21("7","4","6","2","4","7","7","1") = "6"
    & skf21("7","4","6","2","5","1","1","1") = "6"
    & skf21("7","4","6","2","5","1","2","1") = "6"
    & skf21("7","4","6","2","5","1","3","1") = "6"
    & skf21("7","4","6","2","5","1","4","1") = "6"
    & skf21("7","4","6","2","5","1","5","1") = "6"
    & skf21("7","4","6","2","5","1","6","1") = "6"
    & skf21("7","4","6","2","5","1","7","1") = "6"
    & skf21("7","4","6","2","5","2","1","1") = "6"
    & skf21("7","4","6","2","5","2","2","1") = "6"
    & skf21("7","4","6","2","5","2","3","1") = "6"
    & skf21("7","4","6","2","5","2","4","1") = "6"
    & skf21("7","4","6","2","5","2","5","1") = "6"
    & skf21("7","4","6","2","5","2","6","1") = "6"
    & skf21("7","4","6","2","5","2","7","1") = "6"
    & skf21("7","4","6","2","5","3","1","1") = "6"
    & skf21("7","4","6","2","5","3","2","1") = "6"
    & skf21("7","4","6","2","5","3","3","1") = "6"
    & skf21("7","4","6","2","5","3","4","1") = "6"
    & skf21("7","4","6","2","5","3","5","1") = "6"
    & skf21("7","4","6","2","5","3","6","1") = "6"
    & skf21("7","4","6","2","5","3","7","1") = "6"
    & skf21("7","4","6","2","5","4","1","1") = "6"
    & skf21("7","4","6","2","5","4","2","1") = "6"
    & skf21("7","4","6","2","5","4","3","1") = "6"
    & skf21("7","4","6","2","5","4","4","1") = "6"
    & skf21("7","4","6","2","5","4","5","1") = "6"
    & skf21("7","4","6","2","5","4","6","1") = "6"
    & skf21("7","4","6","2","5","4","7","1") = "6"
    & skf21("7","4","6","2","5","5","1","1") = "6"
    & skf21("7","4","6","2","5","5","2","1") = "6"
    & skf21("7","4","6","2","5","5","3","1") = "6"
    & skf21("7","4","6","2","5","5","4","1") = "6"
    & skf21("7","4","6","2","5","5","5","1") = "6"
    & skf21("7","4","6","2","5","5","6","1") = "6"
    & skf21("7","4","6","2","5","5","7","1") = "6"
    & skf21("7","4","6","2","5","6","1","1") = "6"
    & skf21("7","4","6","2","5","6","2","1") = "6"
    & skf21("7","4","6","2","5","6","3","1") = "6"
    & skf21("7","4","6","2","5","6","4","1") = "6"
    & skf21("7","4","6","2","5","6","5","1") = "6"
    & skf21("7","4","6","2","5","6","6","1") = "6"
    & skf21("7","4","6","2","5","6","7","1") = "6"
    & skf21("7","4","6","2","5","7","1","1") = "6"
    & skf21("7","4","6","2","5","7","2","1") = "6"
    & skf21("7","4","6","2","5","7","3","1") = "6"
    & skf21("7","4","6","2","5","7","4","1") = "6"
    & skf21("7","4","6","2","5","7","5","1") = "6"
    & skf21("7","4","6","2","5","7","6","1") = "6"
    & skf21("7","4","6","2","5","7","7","1") = "6"
    & skf21("7","4","6","2","6","1","1","1") = "6"
    & skf21("7","4","6","2","6","1","2","1") = "6"
    & skf21("7","4","6","2","6","1","3","1") = "6"
    & skf21("7","4","6","2","6","1","4","1") = "6"
    & skf21("7","4","6","2","6","1","5","1") = "6"
    & skf21("7","4","6","2","6","1","6","1") = "6"
    & skf21("7","4","6","2","6","1","7","1") = "6"
    & skf21("7","4","6","2","6","2","1","1") = "6"
    & skf21("7","4","6","2","6","2","2","1") = "6"
    & skf21("7","4","6","2","6","2","3","1") = "6"
    & skf21("7","4","6","2","6","2","4","1") = "6"
    & skf21("7","4","6","2","6","2","5","1") = "6"
    & skf21("7","4","6","2","6","2","6","1") = "6"
    & skf21("7","4","6","2","6","2","7","1") = "6"
    & skf21("7","4","6","2","6","3","1","1") = "6"
    & skf21("7","4","6","2","6","3","2","1") = "6"
    & skf21("7","4","6","2","6","3","3","1") = "6"
    & skf21("7","4","6","2","6","3","4","1") = "6"
    & skf21("7","4","6","2","6","3","5","1") = "6"
    & skf21("7","4","6","2","6","3","6","1") = "6"
    & skf21("7","4","6","2","6","3","7","1") = "6"
    & skf21("7","4","6","2","6","4","1","1") = "6"
    & skf21("7","4","6","2","6","4","2","1") = "6"
    & skf21("7","4","6","2","6","4","3","1") = "6"
    & skf21("7","4","6","2","6","4","4","1") = "6"
    & skf21("7","4","6","2","6","4","5","1") = "6"
    & skf21("7","4","6","2","6","4","6","1") = "6"
    & skf21("7","4","6","2","6","4","7","1") = "6"
    & skf21("7","4","6","2","6","5","1","1") = "6"
    & skf21("7","4","6","2","6","5","2","1") = "6"
    & skf21("7","4","6","2","6","5","3","1") = "6"
    & skf21("7","4","6","2","6","5","4","1") = "6"
    & skf21("7","4","6","2","6","5","5","1") = "6"
    & skf21("7","4","6","2","6","5","6","1") = "6"
    & skf21("7","4","6","2","6","5","7","1") = "6"
    & skf21("7","4","6","2","6","6","1","1") = "6"
    & skf21("7","4","6","2","6","6","2","1") = "6"
    & skf21("7","4","6","2","6","6","3","1") = "6"
    & skf21("7","4","6","2","6","6","4","1") = "6"
    & skf21("7","4","6","2","6","6","5","1") = "6"
    & skf21("7","4","6","2","6","6","6","1") = "6"
    & skf21("7","4","6","2","6","6","7","1") = "6"
    & skf21("7","4","6","2","6","7","1","1") = "6"
    & skf21("7","4","6","2","6","7","2","1") = "6"
    & skf21("7","4","6","2","6","7","3","1") = "6"
    & skf21("7","4","6","2","6","7","4","1") = "6"
    & skf21("7","4","6","2","6","7","5","1") = "6"
    & skf21("7","4","6","2","6","7","6","1") = "6"
    & skf21("7","4","6","2","6","7","7","1") = "6"
    & skf21("7","4","6","2","7","1","1","1") = "6"
    & skf21("7","4","6","2","7","1","2","1") = "6"
    & skf21("7","4","6","2","7","1","3","1") = "6"
    & skf21("7","4","6","2","7","1","4","1") = "6"
    & skf21("7","4","6","2","7","1","5","1") = "6"
    & skf21("7","4","6","2","7","1","6","1") = "6"
    & skf21("7","4","6","2","7","1","7","1") = "6"
    & skf21("7","4","6","2","7","2","1","1") = "6"
    & skf21("7","4","6","2","7","2","2","1") = "6"
    & skf21("7","4","6","2","7","2","3","1") = "6"
    & skf21("7","4","6","2","7","2","4","1") = "6"
    & skf21("7","4","6","2","7","2","5","1") = "6"
    & skf21("7","4","6","2","7","2","6","1") = "6"
    & skf21("7","4","6","2","7","2","7","1") = "6"
    & skf21("7","4","6","2","7","3","1","1") = "6"
    & skf21("7","4","6","2","7","3","2","1") = "6"
    & skf21("7","4","6","2","7","3","3","1") = "6"
    & skf21("7","4","6","2","7","3","4","1") = "6"
    & skf21("7","4","6","2","7","3","5","1") = "6"
    & skf21("7","4","6","2","7","3","6","1") = "6"
    & skf21("7","4","6","2","7","3","7","1") = "6"
    & skf21("7","4","6","2","7","4","1","1") = "6"
    & skf21("7","4","6","2","7","4","2","1") = "6"
    & skf21("7","4","6","2","7","4","3","1") = "6"
    & skf21("7","4","6","2","7","4","4","1") = "6"
    & skf21("7","4","6","2","7","4","5","1") = "6"
    & skf21("7","4","6","2","7","4","6","1") = "6"
    & skf21("7","4","6","2","7","4","7","1") = "6"
    & skf21("7","4","6","2","7","5","1","1") = "6"
    & skf21("7","4","6","2","7","5","2","1") = "6"
    & skf21("7","4","6","2","7","5","3","1") = "6"
    & skf21("7","4","6","2","7","5","4","1") = "6"
    & skf21("7","4","6","2","7","5","5","1") = "6"
    & skf21("7","4","6","2","7","5","6","1") = "6"
    & skf21("7","4","6","2","7","5","7","1") = "6"
    & skf21("7","4","6","2","7","6","1","1") = "6"
    & skf21("7","4","6","2","7","6","2","1") = "6"
    & skf21("7","4","6","2","7","6","3","1") = "6"
    & skf21("7","4","6","2","7","6","4","1") = "6"
    & skf21("7","4","6","2","7","6","5","1") = "6"
    & skf21("7","4","6","2","7","6","6","1") = "6"
    & skf21("7","4","6","2","7","6","7","1") = "6"
    & skf21("7","4","6","2","7","7","1","1") = "6"
    & skf21("7","4","6","2","7","7","2","1") = "6"
    & skf21("7","4","6","2","7","7","3","1") = "6"
    & skf21("7","4","6","2","7","7","4","1") = "6"
    & skf21("7","4","6","2","7","7","5","1") = "6"
    & skf21("7","4","6","2","7","7","6","1") = "6"
    & skf21("7","4","6","2","7","7","7","1") = "6"
    & skf21("7","4","6","3","1","1","1","1") = "6"
    & skf21("7","4","6","3","1","1","2","1") = "6"
    & skf21("7","4","6","3","1","1","3","1") = "6"
    & skf21("7","4","6","3","1","1","4","1") = "6"
    & skf21("7","4","6","3","1","1","5","1") = "6"
    & skf21("7","4","6","3","1","1","6","1") = "6"
    & skf21("7","4","6","3","1","1","7","1") = "6"
    & skf21("7","4","6","3","1","2","1","1") = "6"
    & skf21("7","4","6","3","1","2","2","1") = "6"
    & skf21("7","4","6","3","1","2","3","1") = "6"
    & skf21("7","4","6","3","1","2","4","1") = "6"
    & skf21("7","4","6","3","1","2","5","1") = "6"
    & skf21("7","4","6","3","1","2","6","1") = "6"
    & skf21("7","4","6","3","1","2","7","1") = "6"
    & skf21("7","4","6","3","1","3","1","1") = "6"
    & skf21("7","4","6","3","1","3","2","1") = "6"
    & skf21("7","4","6","3","1","3","3","1") = "6"
    & skf21("7","4","6","3","1","3","4","1") = "6"
    & skf21("7","4","6","3","1","3","5","1") = "6"
    & skf21("7","4","6","3","1","3","6","1") = "6"
    & skf21("7","4","6","3","1","3","7","1") = "6"
    & skf21("7","4","6","3","1","4","1","1") = "6"
    & skf21("7","4","6","3","1","4","2","1") = "6"
    & skf21("7","4","6","3","1","4","3","1") = "6"
    & skf21("7","4","6","3","1","4","4","1") = "6"
    & skf21("7","4","6","3","1","4","5","1") = "6"
    & skf21("7","4","6","3","1","4","6","1") = "6"
    & skf21("7","4","6","3","1","4","7","1") = "6"
    & skf21("7","4","6","3","1","5","1","1") = "6"
    & skf21("7","4","6","3","1","5","2","1") = "6"
    & skf21("7","4","6","3","1","5","3","1") = "6"
    & skf21("7","4","6","3","1","5","4","1") = "6"
    & skf21("7","4","6","3","1","5","5","1") = "6"
    & skf21("7","4","6","3","1","5","6","1") = "6"
    & skf21("7","4","6","3","1","5","7","1") = "6"
    & skf21("7","4","6","3","1","6","1","1") = "6"
    & skf21("7","4","6","3","1","6","2","1") = "6"
    & skf21("7","4","6","3","1","6","3","1") = "6"
    & skf21("7","4","6","3","1","6","4","1") = "6"
    & skf21("7","4","6","3","1","6","5","1") = "6"
    & skf21("7","4","6","3","1","6","6","1") = "6"
    & skf21("7","4","6","3","1","6","7","1") = "6"
    & skf21("7","4","6","3","1","7","1","1") = "6"
    & skf21("7","4","6","3","1","7","2","1") = "6"
    & skf21("7","4","6","3","1","7","3","1") = "6"
    & skf21("7","4","6","3","1","7","4","1") = "6"
    & skf21("7","4","6","3","1","7","5","1") = "6"
    & skf21("7","4","6","3","1","7","6","1") = "6"
    & skf21("7","4","6","3","1","7","7","1") = "6"
    & skf21("7","4","6","3","2","1","1","1") = "6"
    & skf21("7","4","6","3","2","1","2","1") = "6"
    & skf21("7","4","6","3","2","1","3","1") = "6"
    & skf21("7","4","6","3","2","1","4","1") = "6"
    & skf21("7","4","6","3","2","1","5","1") = "6"
    & skf21("7","4","6","3","2","1","6","1") = "6"
    & skf21("7","4","6","3","2","1","7","1") = "6"
    & skf21("7","4","6","3","2","2","1","1") = "6"
    & skf21("7","4","6","3","2","2","2","1") = "6"
    & skf21("7","4","6","3","2","2","3","1") = "6"
    & skf21("7","4","6","3","2","2","4","1") = "6"
    & skf21("7","4","6","3","2","2","5","1") = "6"
    & skf21("7","4","6","3","2","2","6","1") = "6"
    & skf21("7","4","6","3","2","2","7","1") = "6"
    & skf21("7","4","6","3","2","3","1","1") = "6"
    & skf21("7","4","6","3","2","3","2","1") = "6"
    & skf21("7","4","6","3","2","3","3","1") = "6"
    & skf21("7","4","6","3","2","3","4","1") = "6"
    & skf21("7","4","6","3","2","3","5","1") = "6"
    & skf21("7","4","6","3","2","3","6","1") = "6"
    & skf21("7","4","6","3","2","3","7","1") = "6"
    & skf21("7","4","6","3","2","4","1","1") = "6"
    & skf21("7","4","6","3","2","4","2","1") = "6"
    & skf21("7","4","6","3","2","4","3","1") = "6"
    & skf21("7","4","6","3","2","4","4","1") = "6"
    & skf21("7","4","6","3","2","4","5","1") = "6"
    & skf21("7","4","6","3","2","4","6","1") = "6"
    & skf21("7","4","6","3","2","4","7","1") = "6"
    & skf21("7","4","6","3","2","5","1","1") = "6"
    & skf21("7","4","6","3","2","5","2","1") = "6"
    & skf21("7","4","6","3","2","5","3","1") = "6"
    & skf21("7","4","6","3","2","5","4","1") = "6"
    & skf21("7","4","6","3","2","5","5","1") = "6"
    & skf21("7","4","6","3","2","5","6","1") = "6"
    & skf21("7","4","6","3","2","5","7","1") = "6"
    & skf21("7","4","6","3","2","6","1","1") = "6"
    & skf21("7","4","6","3","2","6","2","1") = "6"
    & skf21("7","4","6","3","2","6","3","1") = "6"
    & skf21("7","4","6","3","2","6","4","1") = "6"
    & skf21("7","4","6","3","2","6","5","1") = "6"
    & skf21("7","4","6","3","2","6","6","1") = "6"
    & skf21("7","4","6","3","2","6","7","1") = "6"
    & skf21("7","4","6","3","2","7","1","1") = "6"
    & skf21("7","4","6","3","2","7","2","1") = "6"
    & skf21("7","4","6","3","2","7","3","1") = "6"
    & skf21("7","4","6","3","2","7","4","1") = "6"
    & skf21("7","4","6","3","2","7","5","1") = "6"
    & skf21("7","4","6","3","2","7","6","1") = "6"
    & skf21("7","4","6","3","2","7","7","1") = "6"
    & skf21("7","4","6","3","3","1","1","1") = "6"
    & skf21("7","4","6","3","3","1","2","1") = "6"
    & skf21("7","4","6","3","3","1","3","1") = "6"
    & skf21("7","4","6","3","3","1","4","1") = "6"
    & skf21("7","4","6","3","3","1","5","1") = "6"
    & skf21("7","4","6","3","3","1","6","1") = "6"
    & skf21("7","4","6","3","3","1","7","1") = "6"
    & skf21("7","4","6","3","3","2","1","1") = "6"
    & skf21("7","4","6","3","3","2","2","1") = "6"
    & skf21("7","4","6","3","3","2","3","1") = "6"
    & skf21("7","4","6","3","3","2","4","1") = "6"
    & skf21("7","4","6","3","3","2","5","1") = "6"
    & skf21("7","4","6","3","3","2","6","1") = "6"
    & skf21("7","4","6","3","3","2","7","1") = "6"
    & skf21("7","4","6","3","3","3","1","1") = "6"
    & skf21("7","4","6","3","3","3","2","1") = "6"
    & skf21("7","4","6","3","3","3","3","1") = "6"
    & skf21("7","4","6","3","3","3","4","1") = "6"
    & skf21("7","4","6","3","3","3","5","1") = "6"
    & skf21("7","4","6","3","3","3","6","1") = "6"
    & skf21("7","4","6","3","3","3","7","1") = "6"
    & skf21("7","4","6","3","3","4","1","1") = "6"
    & skf21("7","4","6","3","3","4","2","1") = "6"
    & skf21("7","4","6","3","3","4","3","1") = "6"
    & skf21("7","4","6","3","3","4","4","1") = "6"
    & skf21("7","4","6","3","3","4","5","1") = "6"
    & skf21("7","4","6","3","3","4","6","1") = "6"
    & skf21("7","4","6","3","3","4","7","1") = "6"
    & skf21("7","4","6","3","3","5","1","1") = "6"
    & skf21("7","4","6","3","3","5","2","1") = "6"
    & skf21("7","4","6","3","3","5","3","1") = "6"
    & skf21("7","4","6","3","3","5","4","1") = "6"
    & skf21("7","4","6","3","3","5","5","1") = "6"
    & skf21("7","4","6","3","3","5","6","1") = "6"
    & skf21("7","4","6","3","3","5","7","1") = "6"
    & skf21("7","4","6","3","3","6","1","1") = "6"
    & skf21("7","4","6","3","3","6","2","1") = "6"
    & skf21("7","4","6","3","3","6","3","1") = "6"
    & skf21("7","4","6","3","3","6","4","1") = "6"
    & skf21("7","4","6","3","3","6","5","1") = "6"
    & skf21("7","4","6","3","3","6","6","1") = "6"
    & skf21("7","4","6","3","3","6","7","1") = "6"
    & skf21("7","4","6","3","3","7","1","1") = "6"
    & skf21("7","4","6","3","3","7","2","1") = "6"
    & skf21("7","4","6","3","3","7","3","1") = "6"
    & skf21("7","4","6","3","3","7","4","1") = "6"
    & skf21("7","4","6","3","3","7","5","1") = "6"
    & skf21("7","4","6","3","3","7","6","1") = "6"
    & skf21("7","4","6","3","3","7","7","1") = "6"
    & skf21("7","4","6","3","4","1","1","1") = "6"
    & skf21("7","4","6","3","4","1","2","1") = "6"
    & skf21("7","4","6","3","4","1","3","1") = "6"
    & skf21("7","4","6","3","4","1","4","1") = "6"
    & skf21("7","4","6","3","4","1","5","1") = "6"
    & skf21("7","4","6","3","4","1","6","1") = "6"
    & skf21("7","4","6","3","4","1","7","1") = "6"
    & skf21("7","4","6","3","4","2","1","1") = "6"
    & skf21("7","4","6","3","4","2","2","1") = "6"
    & skf21("7","4","6","3","4","2","3","1") = "6"
    & skf21("7","4","6","3","4","2","4","1") = "6"
    & skf21("7","4","6","3","4","2","5","1") = "6"
    & skf21("7","4","6","3","4","2","6","1") = "6"
    & skf21("7","4","6","3","4","2","7","1") = "6"
    & skf21("7","4","6","3","4","3","1","1") = "6"
    & skf21("7","4","6","3","4","3","2","1") = "6"
    & skf21("7","4","6","3","4","3","3","1") = "6"
    & skf21("7","4","6","3","4","3","4","1") = "6"
    & skf21("7","4","6","3","4","3","5","1") = "6"
    & skf21("7","4","6","3","4","3","6","1") = "6"
    & skf21("7","4","6","3","4","3","7","1") = "6"
    & skf21("7","4","6","3","4","4","1","1") = "6"
    & skf21("7","4","6","3","4","4","2","1") = "6"
    & skf21("7","4","6","3","4","4","3","1") = "6"
    & skf21("7","4","6","3","4","4","4","1") = "6"
    & skf21("7","4","6","3","4","4","5","1") = "6"
    & skf21("7","4","6","3","4","4","6","1") = "6"
    & skf21("7","4","6","3","4","4","7","1") = "6"
    & skf21("7","4","6","3","4","5","1","1") = "6"
    & skf21("7","4","6","3","4","5","2","1") = "6"
    & skf21("7","4","6","3","4","5","3","1") = "6"
    & skf21("7","4","6","3","4","5","4","1") = "6"
    & skf21("7","4","6","3","4","5","5","1") = "6"
    & skf21("7","4","6","3","4","5","6","1") = "6"
    & skf21("7","4","6","3","4","5","7","1") = "6"
    & skf21("7","4","6","3","4","6","1","1") = "6"
    & skf21("7","4","6","3","4","6","2","1") = "6"
    & skf21("7","4","6","3","4","6","3","1") = "6"
    & skf21("7","4","6","3","4","6","4","1") = "6"
    & skf21("7","4","6","3","4","6","5","1") = "6"
    & skf21("7","4","6","3","4","6","6","1") = "6"
    & skf21("7","4","6","3","4","6","7","1") = "6"
    & skf21("7","4","6","3","4","7","1","1") = "6"
    & skf21("7","4","6","3","4","7","2","1") = "6"
    & skf21("7","4","6","3","4","7","3","1") = "6"
    & skf21("7","4","6","3","4","7","4","1") = "6"
    & skf21("7","4","6","3","4","7","5","1") = "6"
    & skf21("7","4","6","3","4","7","6","1") = "6"
    & skf21("7","4","6","3","4","7","7","1") = "6"
    & skf21("7","4","6","3","5","1","1","1") = "6"
    & skf21("7","4","6","3","5","1","2","1") = "6"
    & skf21("7","4","6","3","5","1","3","1") = "6"
    & skf21("7","4","6","3","5","1","4","1") = "6"
    & skf21("7","4","6","3","5","1","5","1") = "6"
    & skf21("7","4","6","3","5","1","6","1") = "6"
    & skf21("7","4","6","3","5","1","7","1") = "6"
    & skf21("7","4","6","3","5","2","1","1") = "6"
    & skf21("7","4","6","3","5","2","2","1") = "6"
    & skf21("7","4","6","3","5","2","3","1") = "6"
    & skf21("7","4","6","3","5","2","4","1") = "6"
    & skf21("7","4","6","3","5","2","5","1") = "6"
    & skf21("7","4","6","3","5","2","6","1") = "6"
    & skf21("7","4","6","3","5","2","7","1") = "6"
    & skf21("7","4","6","3","5","3","1","1") = "6"
    & skf21("7","4","6","3","5","3","2","1") = "6"
    & skf21("7","4","6","3","5","3","3","1") = "6"
    & skf21("7","4","6","3","5","3","4","1") = "6"
    & skf21("7","4","6","3","5","3","5","1") = "6"
    & skf21("7","4","6","3","5","3","6","1") = "6"
    & skf21("7","4","6","3","5","3","7","1") = "6"
    & skf21("7","4","6","3","5","4","1","1") = "6"
    & skf21("7","4","6","3","5","4","2","1") = "6"
    & skf21("7","4","6","3","5","4","3","1") = "6"
    & skf21("7","4","6","3","5","4","4","1") = "6"
    & skf21("7","4","6","3","5","4","5","1") = "6"
    & skf21("7","4","6","3","5","4","6","1") = "6"
    & skf21("7","4","6","3","5","4","7","1") = "6"
    & skf21("7","4","6","3","5","5","1","1") = "6"
    & skf21("7","4","6","3","5","5","2","1") = "6"
    & skf21("7","4","6","3","5","5","3","1") = "6"
    & skf21("7","4","6","3","5","5","4","1") = "6"
    & skf21("7","4","6","3","5","5","5","1") = "6"
    & skf21("7","4","6","3","5","5","6","1") = "6"
    & skf21("7","4","6","3","5","5","7","1") = "6"
    & skf21("7","4","6","3","5","6","1","1") = "6"
    & skf21("7","4","6","3","5","6","2","1") = "6"
    & skf21("7","4","6","3","5","6","3","1") = "6"
    & skf21("7","4","6","3","5","6","4","1") = "6"
    & skf21("7","4","6","3","5","6","5","1") = "6"
    & skf21("7","4","6","3","5","6","6","1") = "6"
    & skf21("7","4","6","3","5","6","7","1") = "6"
    & skf21("7","4","6","3","5","7","1","1") = "6"
    & skf21("7","4","6","3","5","7","2","1") = "6"
    & skf21("7","4","6","3","5","7","3","1") = "6"
    & skf21("7","4","6","3","5","7","4","1") = "6"
    & skf21("7","4","6","3","5","7","5","1") = "6"
    & skf21("7","4","6","3","5","7","6","1") = "6"
    & skf21("7","4","6","3","5","7","7","1") = "6"
    & skf21("7","4","6","3","6","1","1","1") = "6"
    & skf21("7","4","6","3","6","1","2","1") = "6"
    & skf21("7","4","6","3","6","1","3","1") = "6"
    & skf21("7","4","6","3","6","1","4","1") = "6"
    & skf21("7","4","6","3","6","1","5","1") = "6"
    & skf21("7","4","6","3","6","1","6","1") = "6"
    & skf21("7","4","6","3","6","1","7","1") = "6"
    & skf21("7","4","6","3","6","2","1","1") = "6"
    & skf21("7","4","6","3","6","2","2","1") = "6"
    & skf21("7","4","6","3","6","2","3","1") = "6"
    & skf21("7","4","6","3","6","2","4","1") = "6"
    & skf21("7","4","6","3","6","2","5","1") = "6"
    & skf21("7","4","6","3","6","2","6","1") = "6"
    & skf21("7","4","6","3","6","2","7","1") = "6"
    & skf21("7","4","6","3","6","3","1","1") = "6"
    & skf21("7","4","6","3","6","3","2","1") = "6"
    & skf21("7","4","6","3","6","3","3","1") = "6"
    & skf21("7","4","6","3","6","3","4","1") = "6"
    & skf21("7","4","6","3","6","3","5","1") = "6"
    & skf21("7","4","6","3","6","3","6","1") = "6"
    & skf21("7","4","6","3","6","3","7","1") = "6"
    & skf21("7","4","6","3","6","4","1","1") = "6"
    & skf21("7","4","6","3","6","4","2","1") = "6"
    & skf21("7","4","6","3","6","4","3","1") = "6"
    & skf21("7","4","6","3","6","4","4","1") = "6"
    & skf21("7","4","6","3","6","4","5","1") = "6"
    & skf21("7","4","6","3","6","4","6","1") = "6"
    & skf21("7","4","6","3","6","4","7","1") = "6"
    & skf21("7","4","6","3","6","5","1","1") = "6"
    & skf21("7","4","6","3","6","5","2","1") = "6"
    & skf21("7","4","6","3","6","5","3","1") = "6"
    & skf21("7","4","6","3","6","5","4","1") = "6"
    & skf21("7","4","6","3","6","5","5","1") = "6"
    & skf21("7","4","6","3","6","5","6","1") = "6"
    & skf21("7","4","6","3","6","5","7","1") = "6"
    & skf21("7","4","6","3","6","6","1","1") = "6"
    & skf21("7","4","6","3","6","6","2","1") = "6"
    & skf21("7","4","6","3","6","6","3","1") = "6"
    & skf21("7","4","6","3","6","6","4","1") = "6"
    & skf21("7","4","6","3","6","6","5","1") = "6"
    & skf21("7","4","6","3","6","6","6","1") = "6"
    & skf21("7","4","6","3","6","6","7","1") = "6"
    & skf21("7","4","6","3","6","7","1","1") = "6"
    & skf21("7","4","6","3","6","7","2","1") = "6"
    & skf21("7","4","6","3","6","7","3","1") = "6"
    & skf21("7","4","6","3","6","7","4","1") = "6"
    & skf21("7","4","6","3","6","7","5","1") = "6"
    & skf21("7","4","6","3","6","7","6","1") = "6"
    & skf21("7","4","6","3","6","7","7","1") = "6"
    & skf21("7","4","6","3","7","1","1","1") = "6"
    & skf21("7","4","6","3","7","1","2","1") = "6"
    & skf21("7","4","6","3","7","1","3","1") = "6"
    & skf21("7","4","6","3","7","1","4","1") = "6"
    & skf21("7","4","6","3","7","1","5","1") = "6"
    & skf21("7","4","6","3","7","1","6","1") = "6"
    & skf21("7","4","6","3","7","1","7","1") = "6"
    & skf21("7","4","6","3","7","2","1","1") = "6"
    & skf21("7","4","6","3","7","2","2","1") = "6"
    & skf21("7","4","6","3","7","2","3","1") = "6"
    & skf21("7","4","6","3","7","2","4","1") = "6"
    & skf21("7","4","6","3","7","2","5","1") = "6"
    & skf21("7","4","6","3","7","2","6","1") = "6"
    & skf21("7","4","6","3","7","2","7","1") = "6"
    & skf21("7","4","6","3","7","3","1","1") = "6"
    & skf21("7","4","6","3","7","3","2","1") = "6"
    & skf21("7","4","6","3","7","3","3","1") = "6"
    & skf21("7","4","6","3","7","3","4","1") = "6"
    & skf21("7","4","6","3","7","3","5","1") = "6"
    & skf21("7","4","6","3","7","3","6","1") = "6"
    & skf21("7","4","6","3","7","3","7","1") = "6"
    & skf21("7","4","6","3","7","4","1","1") = "6"
    & skf21("7","4","6","3","7","4","2","1") = "6"
    & skf21("7","4","6","3","7","4","3","1") = "6"
    & skf21("7","4","6","3","7","4","4","1") = "6"
    & skf21("7","4","6","3","7","4","5","1") = "6"
    & skf21("7","4","6","3","7","4","6","1") = "6"
    & skf21("7","4","6","3","7","4","7","1") = "6"
    & skf21("7","4","6","3","7","5","1","1") = "6"
    & skf21("7","4","6","3","7","5","2","1") = "6"
    & skf21("7","4","6","3","7","5","3","1") = "6"
    & skf21("7","4","6","3","7","5","4","1") = "6"
    & skf21("7","4","6","3","7","5","5","1") = "6"
    & skf21("7","4","6","3","7","5","6","1") = "6"
    & skf21("7","4","6","3","7","5","7","1") = "6"
    & skf21("7","4","6","3","7","6","1","1") = "6"
    & skf21("7","4","6","3","7","6","2","1") = "6"
    & skf21("7","4","6","3","7","6","3","1") = "6"
    & skf21("7","4","6","3","7","6","4","1") = "6"
    & skf21("7","4","6","3","7","6","5","1") = "6"
    & skf21("7","4","6","3","7","6","6","1") = "6"
    & skf21("7","4","6","3","7","6","7","1") = "6"
    & skf21("7","4","6","3","7","7","1","1") = "6"
    & skf21("7","4","6","3","7","7","2","1") = "6"
    & skf21("7","4","6","3","7","7","3","1") = "6"
    & skf21("7","4","6","3","7","7","4","1") = "6"
    & skf21("7","4","6","3","7","7","5","1") = "6"
    & skf21("7","4","6","3","7","7","6","1") = "6"
    & skf21("7","4","6","3","7","7","7","1") = "6"
    & skf21("7","4","6","4","1","1","1","1") = "6"
    & skf21("7","4","6","4","1","1","2","1") = "6"
    & skf21("7","4","6","4","1","1","3","1") = "6"
    & skf21("7","4","6","4","1","1","4","1") = "6"
    & skf21("7","4","6","4","1","1","5","1") = "6"
    & skf21("7","4","6","4","1","1","6","1") = "6"
    & skf21("7","4","6","4","1","1","7","1") = "6"
    & skf21("7","4","6","4","1","2","1","1") = "6"
    & skf21("7","4","6","4","1","2","2","1") = "6"
    & skf21("7","4","6","4","1","2","3","1") = "6"
    & skf21("7","4","6","4","1","2","4","1") = "6"
    & skf21("7","4","6","4","1","2","5","1") = "6"
    & skf21("7","4","6","4","1","2","6","1") = "6"
    & skf21("7","4","6","4","1","2","7","1") = "6"
    & skf21("7","4","6","4","1","3","1","1") = "6"
    & skf21("7","4","6","4","1","3","2","1") = "6"
    & skf21("7","4","6","4","1","3","3","1") = "6"
    & skf21("7","4","6","4","1","3","4","1") = "6"
    & skf21("7","4","6","4","1","3","5","1") = "6"
    & skf21("7","4","6","4","1","3","6","1") = "6"
    & skf21("7","4","6","4","1","3","7","1") = "6"
    & skf21("7","4","6","4","1","4","1","1") = "6"
    & skf21("7","4","6","4","1","4","2","1") = "6"
    & skf21("7","4","6","4","1","4","3","1") = "6"
    & skf21("7","4","6","4","1","4","4","1") = "6"
    & skf21("7","4","6","4","1","4","5","1") = "6"
    & skf21("7","4","6","4","1","4","6","1") = "6"
    & skf21("7","4","6","4","1","4","7","1") = "6"
    & skf21("7","4","6","4","1","5","1","1") = "6"
    & skf21("7","4","6","4","1","5","2","1") = "6"
    & skf21("7","4","6","4","1","5","3","1") = "6"
    & skf21("7","4","6","4","1","5","4","1") = "6"
    & skf21("7","4","6","4","1","5","5","1") = "6"
    & skf21("7","4","6","4","1","5","6","1") = "6"
    & skf21("7","4","6","4","1","5","7","1") = "6"
    & skf21("7","4","6","4","1","6","1","1") = "6"
    & skf21("7","4","6","4","1","6","2","1") = "6"
    & skf21("7","4","6","4","1","6","3","1") = "6"
    & skf21("7","4","6","4","1","6","4","1") = "6"
    & skf21("7","4","6","4","1","6","5","1") = "6"
    & skf21("7","4","6","4","1","6","6","1") = "6"
    & skf21("7","4","6","4","1","6","7","1") = "6"
    & skf21("7","4","6","4","1","7","1","1") = "6"
    & skf21("7","4","6","4","1","7","2","1") = "6"
    & skf21("7","4","6","4","1","7","3","1") = "6"
    & skf21("7","4","6","4","1","7","4","1") = "6"
    & skf21("7","4","6","4","1","7","5","1") = "6"
    & skf21("7","4","6","4","1","7","6","1") = "6"
    & skf21("7","4","6","4","1","7","7","1") = "6"
    & skf21("7","4","6","4","2","1","1","1") = "6"
    & skf21("7","4","6","4","2","1","2","1") = "6"
    & skf21("7","4","6","4","2","1","3","1") = "6"
    & skf21("7","4","6","4","2","1","4","1") = "6"
    & skf21("7","4","6","4","2","1","5","1") = "6"
    & skf21("7","4","6","4","2","1","6","1") = "6"
    & skf21("7","4","6","4","2","1","7","1") = "6"
    & skf21("7","4","6","4","2","2","1","1") = "6"
    & skf21("7","4","6","4","2","2","2","1") = "6"
    & skf21("7","4","6","4","2","2","3","1") = "6"
    & skf21("7","4","6","4","2","2","4","1") = "6"
    & skf21("7","4","6","4","2","2","5","1") = "6"
    & skf21("7","4","6","4","2","2","6","1") = "6"
    & skf21("7","4","6","4","2","2","7","1") = "6"
    & skf21("7","4","6","4","2","3","1","1") = "6"
    & skf21("7","4","6","4","2","3","2","1") = "6"
    & skf21("7","4","6","4","2","3","3","1") = "6"
    & skf21("7","4","6","4","2","3","4","1") = "6"
    & skf21("7","4","6","4","2","3","5","1") = "6"
    & skf21("7","4","6","4","2","3","6","1") = "6"
    & skf21("7","4","6","4","2","3","7","1") = "6"
    & skf21("7","4","6","4","2","4","1","1") = "6"
    & skf21("7","4","6","4","2","4","2","1") = "6"
    & skf21("7","4","6","4","2","4","3","1") = "6"
    & skf21("7","4","6","4","2","4","4","1") = "6"
    & skf21("7","4","6","4","2","4","5","1") = "6"
    & skf21("7","4","6","4","2","4","6","1") = "6"
    & skf21("7","4","6","4","2","4","7","1") = "6"
    & skf21("7","4","6","4","2","5","1","1") = "6"
    & skf21("7","4","6","4","2","5","2","1") = "6"
    & skf21("7","4","6","4","2","5","3","1") = "6"
    & skf21("7","4","6","4","2","5","4","1") = "6"
    & skf21("7","4","6","4","2","5","5","1") = "6"
    & skf21("7","4","6","4","2","5","6","1") = "6"
    & skf21("7","4","6","4","2","5","7","1") = "6"
    & skf21("7","4","6","4","2","6","1","1") = "6"
    & skf21("7","4","6","4","2","6","2","1") = "6"
    & skf21("7","4","6","4","2","6","3","1") = "6"
    & skf21("7","4","6","4","2","6","4","1") = "6"
    & skf21("7","4","6","4","2","6","5","1") = "6"
    & skf21("7","4","6","4","2","6","6","1") = "6"
    & skf21("7","4","6","4","2","6","7","1") = "6"
    & skf21("7","4","6","4","2","7","1","1") = "6"
    & skf21("7","4","6","4","2","7","2","1") = "6"
    & skf21("7","4","6","4","2","7","3","1") = "6"
    & skf21("7","4","6","4","2","7","4","1") = "6"
    & skf21("7","4","6","4","2","7","5","1") = "6"
    & skf21("7","4","6","4","2","7","6","1") = "6"
    & skf21("7","4","6","4","2","7","7","1") = "6"
    & skf21("7","4","6","4","3","1","1","1") = "6"
    & skf21("7","4","6","4","3","1","2","1") = "6"
    & skf21("7","4","6","4","3","1","3","1") = "6"
    & skf21("7","4","6","4","3","1","4","1") = "6"
    & skf21("7","4","6","4","3","1","5","1") = "6"
    & skf21("7","4","6","4","3","1","6","1") = "6"
    & skf21("7","4","6","4","3","1","7","1") = "6"
    & skf21("7","4","6","4","3","2","1","1") = "6"
    & skf21("7","4","6","4","3","2","2","1") = "6"
    & skf21("7","4","6","4","3","2","3","1") = "6"
    & skf21("7","4","6","4","3","2","4","1") = "6"
    & skf21("7","4","6","4","3","2","5","1") = "6"
    & skf21("7","4","6","4","3","2","6","1") = "6"
    & skf21("7","4","6","4","3","2","7","1") = "6"
    & skf21("7","4","6","4","3","3","1","1") = "6"
    & skf21("7","4","6","4","3","3","2","1") = "6"
    & skf21("7","4","6","4","3","3","3","1") = "6"
    & skf21("7","4","6","4","3","3","4","1") = "6"
    & skf21("7","4","6","4","3","3","5","1") = "6"
    & skf21("7","4","6","4","3","3","6","1") = "6"
    & skf21("7","4","6","4","3","3","7","1") = "6"
    & skf21("7","4","6","4","3","4","1","1") = "6"
    & skf21("7","4","6","4","3","4","2","1") = "6"
    & skf21("7","4","6","4","3","4","3","1") = "6"
    & skf21("7","4","6","4","3","4","4","1") = "6"
    & skf21("7","4","6","4","3","4","5","1") = "6"
    & skf21("7","4","6","4","3","4","6","1") = "6"
    & skf21("7","4","6","4","3","4","7","1") = "6"
    & skf21("7","4","6","4","3","5","1","1") = "6"
    & skf21("7","4","6","4","3","5","2","1") = "6"
    & skf21("7","4","6","4","3","5","3","1") = "6"
    & skf21("7","4","6","4","3","5","4","1") = "6"
    & skf21("7","4","6","4","3","5","5","1") = "6"
    & skf21("7","4","6","4","3","5","6","1") = "6"
    & skf21("7","4","6","4","3","5","7","1") = "6"
    & skf21("7","4","6","4","3","6","1","1") = "6"
    & skf21("7","4","6","4","3","6","2","1") = "6"
    & skf21("7","4","6","4","3","6","3","1") = "6"
    & skf21("7","4","6","4","3","6","4","1") = "6"
    & skf21("7","4","6","4","3","6","5","1") = "6"
    & skf21("7","4","6","4","3","6","6","1") = "6"
    & skf21("7","4","6","4","3","6","7","1") = "6"
    & skf21("7","4","6","4","3","7","1","1") = "6"
    & skf21("7","4","6","4","3","7","2","1") = "6"
    & skf21("7","4","6","4","3","7","3","1") = "6"
    & skf21("7","4","6","4","3","7","4","1") = "6"
    & skf21("7","4","6","4","3","7","5","1") = "6"
    & skf21("7","4","6","4","3","7","6","1") = "6"
    & skf21("7","4","6","4","3","7","7","1") = "6"
    & skf21("7","4","6","4","4","1","1","1") = "6"
    & skf21("7","4","6","4","4","1","2","1") = "6"
    & skf21("7","4","6","4","4","1","3","1") = "6"
    & skf21("7","4","6","4","4","1","4","1") = "6"
    & skf21("7","4","6","4","4","1","5","1") = "6"
    & skf21("7","4","6","4","4","1","6","1") = "6"
    & skf21("7","4","6","4","4","1","7","1") = "6"
    & skf21("7","4","6","4","4","2","1","1") = "6"
    & skf21("7","4","6","4","4","2","2","1") = "6"
    & skf21("7","4","6","4","4","2","3","1") = "6"
    & skf21("7","4","6","4","4","2","4","1") = "6"
    & skf21("7","4","6","4","4","2","5","1") = "6"
    & skf21("7","4","6","4","4","2","6","1") = "6"
    & skf21("7","4","6","4","4","2","7","1") = "6"
    & skf21("7","4","6","4","4","3","1","1") = "6"
    & skf21("7","4","6","4","4","3","2","1") = "6"
    & skf21("7","4","6","4","4","3","3","1") = "6"
    & skf21("7","4","6","4","4","3","4","1") = "6"
    & skf21("7","4","6","4","4","3","5","1") = "6"
    & skf21("7","4","6","4","4","3","6","1") = "6"
    & skf21("7","4","6","4","4","3","7","1") = "6"
    & skf21("7","4","6","4","4","4","1","1") = "6"
    & skf21("7","4","6","4","4","4","2","1") = "6"
    & skf21("7","4","6","4","4","4","3","1") = "6"
    & skf21("7","4","6","4","4","4","4","1") = "6"
    & skf21("7","4","6","4","4","4","5","1") = "6"
    & skf21("7","4","6","4","4","4","6","1") = "6"
    & skf21("7","4","6","4","4","4","7","1") = "6"
    & skf21("7","4","6","4","4","5","1","1") = "6"
    & skf21("7","4","6","4","4","5","2","1") = "6"
    & skf21("7","4","6","4","4","5","3","1") = "6"
    & skf21("7","4","6","4","4","5","4","1") = "6"
    & skf21("7","4","6","4","4","5","5","1") = "6"
    & skf21("7","4","6","4","4","5","6","1") = "6"
    & skf21("7","4","6","4","4","5","7","1") = "6"
    & skf21("7","4","6","4","4","6","1","1") = "6"
    & skf21("7","4","6","4","4","6","2","1") = "6"
    & skf21("7","4","6","4","4","6","3","1") = "6"
    & skf21("7","4","6","4","4","6","4","1") = "6"
    & skf21("7","4","6","4","4","6","5","1") = "6"
    & skf21("7","4","6","4","4","6","6","1") = "6"
    & skf21("7","4","6","4","4","6","7","1") = "6"
    & skf21("7","4","6","4","4","7","1","1") = "6"
    & skf21("7","4","6","4","4","7","2","1") = "6"
    & skf21("7","4","6","4","4","7","3","1") = "6"
    & skf21("7","4","6","4","4","7","4","1") = "6"
    & skf21("7","4","6","4","4","7","5","1") = "6"
    & skf21("7","4","6","4","4","7","6","1") = "6"
    & skf21("7","4","6","4","4","7","7","1") = "6"
    & skf21("7","4","6","4","5","1","1","1") = "6"
    & skf21("7","4","6","4","5","1","2","1") = "6"
    & skf21("7","4","6","4","5","1","3","1") = "6"
    & skf21("7","4","6","4","5","1","4","1") = "6"
    & skf21("7","4","6","4","5","1","5","1") = "6"
    & skf21("7","4","6","4","5","1","6","1") = "6"
    & skf21("7","4","6","4","5","1","7","1") = "6"
    & skf21("7","4","6","4","5","2","1","1") = "6"
    & skf21("7","4","6","4","5","2","2","1") = "6"
    & skf21("7","4","6","4","5","2","3","1") = "6"
    & skf21("7","4","6","4","5","2","4","1") = "6"
    & skf21("7","4","6","4","5","2","5","1") = "6"
    & skf21("7","4","6","4","5","2","6","1") = "6"
    & skf21("7","4","6","4","5","2","7","1") = "6"
    & skf21("7","4","6","4","5","3","1","1") = "6"
    & skf21("7","4","6","4","5","3","2","1") = "6"
    & skf21("7","4","6","4","5","3","3","1") = "6"
    & skf21("7","4","6","4","5","3","4","1") = "6"
    & skf21("7","4","6","4","5","3","5","1") = "6"
    & skf21("7","4","6","4","5","3","6","1") = "6"
    & skf21("7","4","6","4","5","3","7","1") = "6"
    & skf21("7","4","6","4","5","4","1","1") = "6"
    & skf21("7","4","6","4","5","4","2","1") = "6"
    & skf21("7","4","6","4","5","4","3","1") = "6"
    & skf21("7","4","6","4","5","4","4","1") = "6"
    & skf21("7","4","6","4","5","4","5","1") = "6"
    & skf21("7","4","6","4","5","4","6","1") = "6"
    & skf21("7","4","6","4","5","4","7","1") = "6"
    & skf21("7","4","6","4","5","5","1","1") = "6"
    & skf21("7","4","6","4","5","5","2","1") = "6"
    & skf21("7","4","6","4","5","5","3","1") = "6"
    & skf21("7","4","6","4","5","5","4","1") = "6"
    & skf21("7","4","6","4","5","5","5","1") = "6"
    & skf21("7","4","6","4","5","5","6","1") = "6"
    & skf21("7","4","6","4","5","5","7","1") = "6"
    & skf21("7","4","6","4","5","6","1","1") = "6"
    & skf21("7","4","6","4","5","6","2","1") = "6"
    & skf21("7","4","6","4","5","6","3","1") = "6"
    & skf21("7","4","6","4","5","6","4","1") = "6"
    & skf21("7","4","6","4","5","6","5","1") = "6"
    & skf21("7","4","6","4","5","6","6","1") = "6"
    & skf21("7","4","6","4","5","6","7","1") = "6"
    & skf21("7","4","6","4","5","7","1","1") = "6"
    & skf21("7","4","6","4","5","7","2","1") = "6"
    & skf21("7","4","6","4","5","7","3","1") = "6"
    & skf21("7","4","6","4","5","7","4","1") = "6"
    & skf21("7","4","6","4","5","7","5","1") = "6"
    & skf21("7","4","6","4","5","7","6","1") = "6"
    & skf21("7","4","6","4","5","7","7","1") = "6"
    & skf21("7","4","6","4","6","1","1","1") = "6"
    & skf21("7","4","6","4","6","1","2","1") = "6"
    & skf21("7","4","6","4","6","1","3","1") = "6"
    & skf21("7","4","6","4","6","1","4","1") = "6"
    & skf21("7","4","6","4","6","1","5","1") = "6"
    & skf21("7","4","6","4","6","1","6","1") = "6"
    & skf21("7","4","6","4","6","1","7","1") = "6"
    & skf21("7","4","6","4","6","2","1","1") = "6"
    & skf21("7","4","6","4","6","2","2","1") = "6"
    & skf21("7","4","6","4","6","2","3","1") = "6"
    & skf21("7","4","6","4","6","2","4","1") = "6"
    & skf21("7","4","6","4","6","2","5","1") = "6"
    & skf21("7","4","6","4","6","2","6","1") = "6"
    & skf21("7","4","6","4","6","2","7","1") = "6"
    & skf21("7","4","6","4","6","3","1","1") = "6"
    & skf21("7","4","6","4","6","3","2","1") = "6"
    & skf21("7","4","6","4","6","3","3","1") = "6"
    & skf21("7","4","6","4","6","3","4","1") = "6"
    & skf21("7","4","6","4","6","3","5","1") = "6"
    & skf21("7","4","6","4","6","3","6","1") = "6"
    & skf21("7","4","6","4","6","3","7","1") = "6"
    & skf21("7","4","6","4","6","4","1","1") = "6"
    & skf21("7","4","6","4","6","4","2","1") = "6"
    & skf21("7","4","6","4","6","4","3","1") = "6"
    & skf21("7","4","6","4","6","4","4","1") = "6"
    & skf21("7","4","6","4","6","4","5","1") = "6"
    & skf21("7","4","6","4","6","4","6","1") = "6"
    & skf21("7","4","6","4","6","4","7","1") = "6"
    & skf21("7","4","6","4","6","5","1","1") = "6"
    & skf21("7","4","6","4","6","5","2","1") = "6"
    & skf21("7","4","6","4","6","5","3","1") = "6"
    & skf21("7","4","6","4","6","5","4","1") = "6"
    & skf21("7","4","6","4","6","5","5","1") = "6"
    & skf21("7","4","6","4","6","5","6","1") = "6"
    & skf21("7","4","6","4","6","5","7","1") = "6"
    & skf21("7","4","6","4","6","6","1","1") = "6"
    & skf21("7","4","6","4","6","6","2","1") = "6"
    & skf21("7","4","6","4","6","6","3","1") = "6"
    & skf21("7","4","6","4","6","6","4","1") = "6"
    & skf21("7","4","6","4","6","6","5","1") = "6"
    & skf21("7","4","6","4","6","6","6","1") = "6"
    & skf21("7","4","6","4","6","6","7","1") = "6"
    & skf21("7","4","6","4","6","7","1","1") = "6"
    & skf21("7","4","6","4","6","7","2","1") = "6"
    & skf21("7","4","6","4","6","7","3","1") = "6"
    & skf21("7","4","6","4","6","7","4","1") = "6"
    & skf21("7","4","6","4","6","7","5","1") = "6"
    & skf21("7","4","6","4","6","7","6","1") = "6"
    & skf21("7","4","6","4","6","7","7","1") = "6"
    & skf21("7","4","6","4","7","1","1","1") = "6"
    & skf21("7","4","6","4","7","1","2","1") = "6"
    & skf21("7","4","6","4","7","1","3","1") = "6"
    & skf21("7","4","6","4","7","1","4","1") = "6"
    & skf21("7","4","6","4","7","1","5","1") = "6"
    & skf21("7","4","6","4","7","1","6","1") = "6"
    & skf21("7","4","6","4","7","1","7","1") = "6"
    & skf21("7","4","6","4","7","2","1","1") = "6"
    & skf21("7","4","6","4","7","2","2","1") = "6"
    & skf21("7","4","6","4","7","2","3","1") = "6"
    & skf21("7","4","6","4","7","2","4","1") = "6"
    & skf21("7","4","6","4","7","2","5","1") = "6"
    & skf21("7","4","6","4","7","2","6","1") = "6"
    & skf21("7","4","6","4","7","2","7","1") = "6"
    & skf21("7","4","6","4","7","3","1","1") = "6"
    & skf21("7","4","6","4","7","3","2","1") = "6"
    & skf21("7","4","6","4","7","3","3","1") = "6"
    & skf21("7","4","6","4","7","3","4","1") = "6"
    & skf21("7","4","6","4","7","3","5","1") = "6"
    & skf21("7","4","6","4","7","3","6","1") = "6"
    & skf21("7","4","6","4","7","3","7","1") = "6"
    & skf21("7","4","6","4","7","4","1","1") = "6"
    & skf21("7","4","6","4","7","4","2","1") = "6"
    & skf21("7","4","6","4","7","4","3","1") = "6"
    & skf21("7","4","6","4","7","4","4","1") = "6"
    & skf21("7","4","6","4","7","4","5","1") = "6"
    & skf21("7","4","6","4","7","4","6","1") = "6"
    & skf21("7","4","6","4","7","4","7","1") = "6"
    & skf21("7","4","6","4","7","5","1","1") = "6"
    & skf21("7","4","6","4","7","5","2","1") = "6"
    & skf21("7","4","6","4","7","5","3","1") = "6"
    & skf21("7","4","6","4","7","5","4","1") = "6"
    & skf21("7","4","6","4","7","5","5","1") = "6"
    & skf21("7","4","6","4","7","5","6","1") = "6"
    & skf21("7","4","6","4","7","5","7","1") = "6"
    & skf21("7","4","6","4","7","6","1","1") = "6"
    & skf21("7","4","6","4","7","6","2","1") = "6"
    & skf21("7","4","6","4","7","6","3","1") = "6"
    & skf21("7","4","6","4","7","6","4","1") = "6"
    & skf21("7","4","6","4","7","6","5","1") = "6"
    & skf21("7","4","6","4","7","6","6","1") = "6"
    & skf21("7","4","6","4","7","6","7","1") = "6"
    & skf21("7","4","6","4","7","7","1","1") = "6"
    & skf21("7","4","6","4","7","7","2","1") = "6"
    & skf21("7","4","6","4","7","7","3","1") = "6"
    & skf21("7","4","6","4","7","7","4","1") = "6"
    & skf21("7","4","6","4","7","7","5","1") = "6"
    & skf21("7","4","6","4","7","7","6","1") = "6"
    & skf21("7","4","6","4","7","7","7","1") = "6"
    & skf21("7","4","6","5","1","1","1","1") = "6"
    & skf21("7","4","6","5","1","1","2","1") = "6"
    & skf21("7","4","6","5","1","1","3","1") = "6"
    & skf21("7","4","6","5","1","1","4","1") = "6"
    & skf21("7","4","6","5","1","1","5","1") = "6"
    & skf21("7","4","6","5","1","1","6","1") = "6"
    & skf21("7","4","6","5","1","1","7","1") = "6"
    & skf21("7","4","6","5","1","2","1","1") = "6"
    & skf21("7","4","6","5","1","2","2","1") = "6"
    & skf21("7","4","6","5","1","2","3","1") = "6"
    & skf21("7","4","6","5","1","2","4","1") = "6"
    & skf21("7","4","6","5","1","2","5","1") = "6"
    & skf21("7","4","6","5","1","2","6","1") = "6"
    & skf21("7","4","6","5","1","2","7","1") = "6"
    & skf21("7","4","6","5","1","3","1","1") = "6"
    & skf21("7","4","6","5","1","3","2","1") = "6"
    & skf21("7","4","6","5","1","3","3","1") = "6"
    & skf21("7","4","6","5","1","3","4","1") = "6"
    & skf21("7","4","6","5","1","3","5","1") = "6"
    & skf21("7","4","6","5","1","3","6","1") = "6"
    & skf21("7","4","6","5","1","3","7","1") = "6"
    & skf21("7","4","6","5","1","4","1","1") = "6"
    & skf21("7","4","6","5","1","4","2","1") = "6"
    & skf21("7","4","6","5","1","4","3","1") = "6"
    & skf21("7","4","6","5","1","4","4","1") = "6"
    & skf21("7","4","6","5","1","4","5","1") = "6"
    & skf21("7","4","6","5","1","4","6","1") = "6"
    & skf21("7","4","6","5","1","4","7","1") = "6"
    & skf21("7","4","6","5","1","5","1","1") = "6"
    & skf21("7","4","6","5","1","5","2","1") = "6"
    & skf21("7","4","6","5","1","5","3","1") = "6"
    & skf21("7","4","6","5","1","5","4","1") = "6"
    & skf21("7","4","6","5","1","5","5","1") = "6"
    & skf21("7","4","6","5","1","5","6","1") = "6"
    & skf21("7","4","6","5","1","5","7","1") = "6"
    & skf21("7","4","6","5","1","6","1","1") = "6"
    & skf21("7","4","6","5","1","6","2","1") = "6"
    & skf21("7","4","6","5","1","6","3","1") = "6"
    & skf21("7","4","6","5","1","6","4","1") = "6"
    & skf21("7","4","6","5","1","6","5","1") = "6"
    & skf21("7","4","6","5","1","6","6","1") = "6"
    & skf21("7","4","6","5","1","6","7","1") = "6"
    & skf21("7","4","6","5","1","7","1","1") = "6"
    & skf21("7","4","6","5","1","7","2","1") = "6"
    & skf21("7","4","6","5","1","7","3","1") = "6"
    & skf21("7","4","6","5","1","7","4","1") = "6"
    & skf21("7","4","6","5","1","7","5","1") = "6"
    & skf21("7","4","6","5","1","7","6","1") = "6"
    & skf21("7","4","6","5","1","7","7","1") = "6"
    & skf21("7","4","6","5","2","1","1","1") = "6"
    & skf21("7","4","6","5","2","1","2","1") = "6"
    & skf21("7","4","6","5","2","1","3","1") = "6"
    & skf21("7","4","6","5","2","1","4","1") = "6"
    & skf21("7","4","6","5","2","1","5","1") = "6"
    & skf21("7","4","6","5","2","1","6","1") = "6"
    & skf21("7","4","6","5","2","1","7","1") = "6"
    & skf21("7","4","6","5","2","2","1","1") = "6"
    & skf21("7","4","6","5","2","2","2","1") = "6"
    & skf21("7","4","6","5","2","2","3","1") = "6"
    & skf21("7","4","6","5","2","2","4","1") = "6"
    & skf21("7","4","6","5","2","2","5","1") = "6"
    & skf21("7","4","6","5","2","2","6","1") = "6"
    & skf21("7","4","6","5","2","2","7","1") = "6"
    & skf21("7","4","6","5","2","3","1","1") = "6"
    & skf21("7","4","6","5","2","3","2","1") = "6"
    & skf21("7","4","6","5","2","3","3","1") = "6"
    & skf21("7","4","6","5","2","3","4","1") = "6"
    & skf21("7","4","6","5","2","3","5","1") = "6"
    & skf21("7","4","6","5","2","3","6","1") = "6"
    & skf21("7","4","6","5","2","3","7","1") = "6"
    & skf21("7","4","6","5","2","4","1","1") = "6"
    & skf21("7","4","6","5","2","4","2","1") = "6"
    & skf21("7","4","6","5","2","4","3","1") = "6"
    & skf21("7","4","6","5","2","4","4","1") = "6"
    & skf21("7","4","6","5","2","4","5","1") = "6"
    & skf21("7","4","6","5","2","4","6","1") = "6"
    & skf21("7","4","6","5","2","4","7","1") = "6"
    & skf21("7","4","6","5","2","5","1","1") = "6"
    & skf21("7","4","6","5","2","5","2","1") = "6"
    & skf21("7","4","6","5","2","5","3","1") = "6"
    & skf21("7","4","6","5","2","5","4","1") = "6"
    & skf21("7","4","6","5","2","5","5","1") = "6"
    & skf21("7","4","6","5","2","5","6","1") = "6"
    & skf21("7","4","6","5","2","5","7","1") = "6"
    & skf21("7","4","6","5","2","6","1","1") = "6"
    & skf21("7","4","6","5","2","6","2","1") = "6"
    & skf21("7","4","6","5","2","6","3","1") = "6"
    & skf21("7","4","6","5","2","6","4","1") = "6"
    & skf21("7","4","6","5","2","6","5","1") = "6"
    & skf21("7","4","6","5","2","6","6","1") = "6"
    & skf21("7","4","6","5","2","6","7","1") = "6"
    & skf21("7","4","6","5","2","7","1","1") = "6"
    & skf21("7","4","6","5","2","7","2","1") = "6"
    & skf21("7","4","6","5","2","7","3","1") = "6"
    & skf21("7","4","6","5","2","7","4","1") = "6"
    & skf21("7","4","6","5","2","7","5","1") = "6"
    & skf21("7","4","6","5","2","7","6","1") = "6"
    & skf21("7","4","6","5","2","7","7","1") = "6"
    & skf21("7","4","6","5","3","1","1","1") = "6"
    & skf21("7","4","6","5","3","1","2","1") = "6"
    & skf21("7","4","6","5","3","1","3","1") = "6"
    & skf21("7","4","6","5","3","1","4","1") = "6"
    & skf21("7","4","6","5","3","1","5","1") = "6"
    & skf21("7","4","6","5","3","1","6","1") = "6"
    & skf21("7","4","6","5","3","1","7","1") = "6"
    & skf21("7","4","6","5","3","2","1","1") = "6"
    & skf21("7","4","6","5","3","2","2","1") = "6"
    & skf21("7","4","6","5","3","2","3","1") = "6"
    & skf21("7","4","6","5","3","2","4","1") = "6"
    & skf21("7","4","6","5","3","2","5","1") = "6"
    & skf21("7","4","6","5","3","2","6","1") = "6"
    & skf21("7","4","6","5","3","2","7","1") = "6"
    & skf21("7","4","6","5","3","3","1","1") = "6"
    & skf21("7","4","6","5","3","3","2","1") = "6"
    & skf21("7","4","6","5","3","3","3","1") = "6"
    & skf21("7","4","6","5","3","3","4","1") = "6"
    & skf21("7","4","6","5","3","3","5","1") = "6"
    & skf21("7","4","6","5","3","3","6","1") = "6"
    & skf21("7","4","6","5","3","3","7","1") = "6"
    & skf21("7","4","6","5","3","4","1","1") = "6"
    & skf21("7","4","6","5","3","4","2","1") = "6"
    & skf21("7","4","6","5","3","4","3","1") = "6"
    & skf21("7","4","6","5","3","4","4","1") = "6"
    & skf21("7","4","6","5","3","4","5","1") = "6"
    & skf21("7","4","6","5","3","4","6","1") = "6"
    & skf21("7","4","6","5","3","4","7","1") = "6"
    & skf21("7","4","6","5","3","5","1","1") = "6"
    & skf21("7","4","6","5","3","5","2","1") = "6"
    & skf21("7","4","6","5","3","5","3","1") = "6"
    & skf21("7","4","6","5","3","5","4","1") = "6"
    & skf21("7","4","6","5","3","5","5","1") = "6"
    & skf21("7","4","6","5","3","5","6","1") = "6"
    & skf21("7","4","6","5","3","5","7","1") = "6"
    & skf21("7","4","6","5","3","6","1","1") = "6"
    & skf21("7","4","6","5","3","6","2","1") = "6"
    & skf21("7","4","6","5","3","6","3","1") = "6"
    & skf21("7","4","6","5","3","6","4","1") = "6"
    & skf21("7","4","6","5","3","6","5","1") = "6"
    & skf21("7","4","6","5","3","6","6","1") = "6"
    & skf21("7","4","6","5","3","6","7","1") = "6"
    & skf21("7","4","6","5","3","7","1","1") = "6"
    & skf21("7","4","6","5","3","7","2","1") = "6"
    & skf21("7","4","6","5","3","7","3","1") = "6"
    & skf21("7","4","6","5","3","7","4","1") = "6"
    & skf21("7","4","6","5","3","7","5","1") = "6"
    & skf21("7","4","6","5","3","7","6","1") = "6"
    & skf21("7","4","6","5","3","7","7","1") = "6"
    & skf21("7","4","6","5","4","1","1","1") = "6"
    & skf21("7","4","6","5","4","1","2","1") = "6"
    & skf21("7","4","6","5","4","1","3","1") = "6"
    & skf21("7","4","6","5","4","1","4","1") = "6"
    & skf21("7","4","6","5","4","1","5","1") = "6"
    & skf21("7","4","6","5","4","1","6","1") = "6"
    & skf21("7","4","6","5","4","1","7","1") = "6"
    & skf21("7","4","6","5","4","2","1","1") = "6"
    & skf21("7","4","6","5","4","2","2","1") = "6"
    & skf21("7","4","6","5","4","2","3","1") = "6"
    & skf21("7","4","6","5","4","2","4","1") = "6"
    & skf21("7","4","6","5","4","2","5","1") = "6"
    & skf21("7","4","6","5","4","2","6","1") = "6"
    & skf21("7","4","6","5","4","2","7","1") = "6"
    & skf21("7","4","6","5","4","3","1","1") = "6"
    & skf21("7","4","6","5","4","3","2","1") = "6"
    & skf21("7","4","6","5","4","3","3","1") = "6"
    & skf21("7","4","6","5","4","3","4","1") = "6"
    & skf21("7","4","6","5","4","3","5","1") = "6"
    & skf21("7","4","6","5","4","3","6","1") = "6"
    & skf21("7","4","6","5","4","3","7","1") = "6"
    & skf21("7","4","6","5","4","4","1","1") = "6"
    & skf21("7","4","6","5","4","4","2","1") = "6"
    & skf21("7","4","6","5","4","4","3","1") = "6"
    & skf21("7","4","6","5","4","4","4","1") = "6"
    & skf21("7","4","6","5","4","4","5","1") = "6"
    & skf21("7","4","6","5","4","4","6","1") = "6"
    & skf21("7","4","6","5","4","4","7","1") = "6"
    & skf21("7","4","6","5","4","5","1","1") = "6"
    & skf21("7","4","6","5","4","5","2","1") = "6"
    & skf21("7","4","6","5","4","5","3","1") = "6"
    & skf21("7","4","6","5","4","5","4","1") = "6"
    & skf21("7","4","6","5","4","5","5","1") = "6"
    & skf21("7","4","6","5","4","5","6","1") = "6"
    & skf21("7","4","6","5","4","5","7","1") = "6"
    & skf21("7","4","6","5","4","6","1","1") = "6"
    & skf21("7","4","6","5","4","6","2","1") = "6"
    & skf21("7","4","6","5","4","6","3","1") = "6"
    & skf21("7","4","6","5","4","6","4","1") = "6"
    & skf21("7","4","6","5","4","6","5","1") = "6"
    & skf21("7","4","6","5","4","6","6","1") = "6"
    & skf21("7","4","6","5","4","6","7","1") = "6"
    & skf21("7","4","6","5","4","7","1","1") = "6"
    & skf21("7","4","6","5","4","7","2","1") = "6"
    & skf21("7","4","6","5","4","7","3","1") = "6"
    & skf21("7","4","6","5","4","7","4","1") = "6"
    & skf21("7","4","6","5","4","7","5","1") = "6"
    & skf21("7","4","6","5","4","7","6","1") = "6"
    & skf21("7","4","6","5","4","7","7","1") = "6"
    & skf21("7","4","6","5","5","1","1","1") = "6"
    & skf21("7","4","6","5","5","1","2","1") = "6"
    & skf21("7","4","6","5","5","1","3","1") = "6"
    & skf21("7","4","6","5","5","1","4","1") = "6"
    & skf21("7","4","6","5","5","1","5","1") = "6"
    & skf21("7","4","6","5","5","1","6","1") = "6"
    & skf21("7","4","6","5","5","1","7","1") = "6"
    & skf21("7","4","6","5","5","2","1","1") = "6"
    & skf21("7","4","6","5","5","2","2","1") = "6"
    & skf21("7","4","6","5","5","2","3","1") = "6"
    & skf21("7","4","6","5","5","2","4","1") = "6"
    & skf21("7","4","6","5","5","2","5","1") = "6"
    & skf21("7","4","6","5","5","2","6","1") = "6"
    & skf21("7","4","6","5","5","2","7","1") = "6"
    & skf21("7","4","6","5","5","3","1","1") = "6"
    & skf21("7","4","6","5","5","3","2","1") = "6"
    & skf21("7","4","6","5","5","3","3","1") = "6"
    & skf21("7","4","6","5","5","3","4","1") = "6"
    & skf21("7","4","6","5","5","3","5","1") = "6"
    & skf21("7","4","6","5","5","3","6","1") = "6"
    & skf21("7","4","6","5","5","3","7","1") = "6"
    & skf21("7","4","6","5","5","4","1","1") = "6"
    & skf21("7","4","6","5","5","4","2","1") = "6"
    & skf21("7","4","6","5","5","4","3","1") = "6"
    & skf21("7","4","6","5","5","4","4","1") = "6"
    & skf21("7","4","6","5","5","4","5","1") = "6"
    & skf21("7","4","6","5","5","4","6","1") = "6"
    & skf21("7","4","6","5","5","4","7","1") = "6"
    & skf21("7","4","6","5","5","5","1","1") = "6"
    & skf21("7","4","6","5","5","5","2","1") = "6"
    & skf21("7","4","6","5","5","5","3","1") = "6"
    & skf21("7","4","6","5","5","5","4","1") = "6"
    & skf21("7","4","6","5","5","5","5","1") = "6"
    & skf21("7","4","6","5","5","5","6","1") = "6"
    & skf21("7","4","6","5","5","5","7","1") = "6"
    & skf21("7","4","6","5","5","6","1","1") = "6"
    & skf21("7","4","6","5","5","6","2","1") = "6"
    & skf21("7","4","6","5","5","6","3","1") = "6"
    & skf21("7","4","6","5","5","6","4","1") = "6"
    & skf21("7","4","6","5","5","6","5","1") = "6"
    & skf21("7","4","6","5","5","6","6","1") = "6"
    & skf21("7","4","6","5","5","6","7","1") = "6"
    & skf21("7","4","6","5","5","7","1","1") = "6"
    & skf21("7","4","6","5","5","7","2","1") = "6"
    & skf21("7","4","6","5","5","7","3","1") = "6"
    & skf21("7","4","6","5","5","7","4","1") = "6"
    & skf21("7","4","6","5","5","7","5","1") = "6"
    & skf21("7","4","6","5","5","7","6","1") = "6"
    & skf21("7","4","6","5","5","7","7","1") = "6"
    & skf21("7","4","6","5","6","1","1","1") = "6"
    & skf21("7","4","6","5","6","1","2","1") = "6"
    & skf21("7","4","6","5","6","1","3","1") = "6"
    & skf21("7","4","6","5","6","1","4","1") = "6"
    & skf21("7","4","6","5","6","1","5","1") = "6"
    & skf21("7","4","6","5","6","1","6","1") = "6"
    & skf21("7","4","6","5","6","1","7","1") = "6"
    & skf21("7","4","6","5","6","2","1","1") = "6"
    & skf21("7","4","6","5","6","2","2","1") = "6"
    & skf21("7","4","6","5","6","2","3","1") = "6"
    & skf21("7","4","6","5","6","2","4","1") = "6"
    & skf21("7","4","6","5","6","2","5","1") = "6"
    & skf21("7","4","6","5","6","2","6","1") = "6"
    & skf21("7","4","6","5","6","2","7","1") = "6"
    & skf21("7","4","6","5","6","3","1","1") = "6"
    & skf21("7","4","6","5","6","3","2","1") = "6"
    & skf21("7","4","6","5","6","3","3","1") = "6"
    & skf21("7","4","6","5","6","3","4","1") = "6"
    & skf21("7","4","6","5","6","3","5","1") = "6"
    & skf21("7","4","6","5","6","3","6","1") = "6"
    & skf21("7","4","6","5","6","3","7","1") = "6"
    & skf21("7","4","6","5","6","4","1","1") = "6"
    & skf21("7","4","6","5","6","4","2","1") = "6"
    & skf21("7","4","6","5","6","4","3","1") = "6"
    & skf21("7","4","6","5","6","4","4","1") = "6"
    & skf21("7","4","6","5","6","4","5","1") = "6"
    & skf21("7","4","6","5","6","4","6","1") = "6"
    & skf21("7","4","6","5","6","4","7","1") = "6"
    & skf21("7","4","6","5","6","5","1","1") = "6"
    & skf21("7","4","6","5","6","5","2","1") = "6"
    & skf21("7","4","6","5","6","5","3","1") = "6"
    & skf21("7","4","6","5","6","5","4","1") = "6"
    & skf21("7","4","6","5","6","5","5","1") = "6"
    & skf21("7","4","6","5","6","5","6","1") = "6"
    & skf21("7","4","6","5","6","5","7","1") = "6"
    & skf21("7","4","6","5","6","6","1","1") = "6"
    & skf21("7","4","6","5","6","6","2","1") = "6"
    & skf21("7","4","6","5","6","6","3","1") = "6"
    & skf21("7","4","6","5","6","6","4","1") = "6"
    & skf21("7","4","6","5","6","6","5","1") = "6"
    & skf21("7","4","6","5","6","6","6","1") = "6"
    & skf21("7","4","6","5","6","6","7","1") = "6"
    & skf21("7","4","6","5","6","7","1","1") = "6"
    & skf21("7","4","6","5","6","7","2","1") = "6"
    & skf21("7","4","6","5","6","7","3","1") = "6"
    & skf21("7","4","6","5","6","7","4","1") = "6"
    & skf21("7","4","6","5","6","7","5","1") = "6"
    & skf21("7","4","6","5","6","7","6","1") = "6"
    & skf21("7","4","6","5","6","7","7","1") = "6"
    & skf21("7","4","6","5","7","1","1","1") = "6"
    & skf21("7","4","6","5","7","1","2","1") = "6"
    & skf21("7","4","6","5","7","1","3","1") = "6"
    & skf21("7","4","6","5","7","1","4","1") = "6"
    & skf21("7","4","6","5","7","1","5","1") = "6"
    & skf21("7","4","6","5","7","1","6","1") = "6"
    & skf21("7","4","6","5","7","1","7","1") = "6"
    & skf21("7","4","6","5","7","2","1","1") = "6"
    & skf21("7","4","6","5","7","2","2","1") = "6"
    & skf21("7","4","6","5","7","2","3","1") = "6"
    & skf21("7","4","6","5","7","2","4","1") = "6"
    & skf21("7","4","6","5","7","2","5","1") = "6"
    & skf21("7","4","6","5","7","2","6","1") = "6"
    & skf21("7","4","6","5","7","2","7","1") = "6"
    & skf21("7","4","6","5","7","3","1","1") = "6"
    & skf21("7","4","6","5","7","3","2","1") = "6"
    & skf21("7","4","6","5","7","3","3","1") = "6"
    & skf21("7","4","6","5","7","3","4","1") = "6"
    & skf21("7","4","6","5","7","3","5","1") = "6"
    & skf21("7","4","6","5","7","3","6","1") = "6"
    & skf21("7","4","6","5","7","3","7","1") = "6"
    & skf21("7","4","6","5","7","4","1","1") = "6"
    & skf21("7","4","6","5","7","4","2","1") = "6"
    & skf21("7","4","6","5","7","4","3","1") = "6"
    & skf21("7","4","6","5","7","4","4","1") = "6"
    & skf21("7","4","6","5","7","4","5","1") = "6"
    & skf21("7","4","6","5","7","4","6","1") = "6"
    & skf21("7","4","6","5","7","4","7","1") = "6"
    & skf21("7","4","6","5","7","5","1","1") = "6"
    & skf21("7","4","6","5","7","5","2","1") = "6"
    & skf21("7","4","6","5","7","5","3","1") = "6"
    & skf21("7","4","6","5","7","5","4","1") = "6"
    & skf21("7","4","6","5","7","5","5","1") = "6"
    & skf21("7","4","6","5","7","5","6","1") = "6"
    & skf21("7","4","6","5","7","5","7","1") = "6"
    & skf21("7","4","6","5","7","6","1","1") = "6"
    & skf21("7","4","6","5","7","6","2","1") = "6"
    & skf21("7","4","6","5","7","6","3","1") = "6"
    & skf21("7","4","6","5","7","6","4","1") = "6"
    & skf21("7","4","6","5","7","6","5","1") = "6"
    & skf21("7","4","6","5","7","6","6","1") = "6"
    & skf21("7","4","6","5","7","6","7","1") = "6"
    & skf21("7","4","6","5","7","7","1","1") = "6"
    & skf21("7","4","6","5","7","7","2","1") = "6"
    & skf21("7","4","6","5","7","7","3","1") = "6"
    & skf21("7","4","6","5","7","7","4","1") = "6"
    & skf21("7","4","6","5","7","7","5","1") = "6"
    & skf21("7","4","6","5","7","7","6","1") = "6"
    & skf21("7","4","6","5","7","7","7","1") = "6"
    & skf21("7","4","6","6","1","1","1","1") = "6"
    & skf21("7","4","6","6","1","1","2","1") = "6"
    & skf21("7","4","6","6","1","1","3","1") = "6"
    & skf21("7","4","6","6","1","1","4","1") = "6"
    & skf21("7","4","6","6","1","1","5","1") = "6"
    & skf21("7","4","6","6","1","1","6","1") = "6"
    & skf21("7","4","6","6","1","1","7","1") = "6"
    & skf21("7","4","6","6","1","2","1","1") = "6"
    & skf21("7","4","6","6","1","2","2","1") = "6"
    & skf21("7","4","6","6","1","2","3","1") = "6"
    & skf21("7","4","6","6","1","2","4","1") = "6"
    & skf21("7","4","6","6","1","2","5","1") = "6"
    & skf21("7","4","6","6","1","2","6","1") = "6"
    & skf21("7","4","6","6","1","2","7","1") = "6"
    & skf21("7","4","6","6","1","3","1","1") = "6"
    & skf21("7","4","6","6","1","3","2","1") = "6"
    & skf21("7","4","6","6","1","3","3","1") = "6"
    & skf21("7","4","6","6","1","3","4","1") = "6"
    & skf21("7","4","6","6","1","3","5","1") = "6"
    & skf21("7","4","6","6","1","3","6","1") = "6"
    & skf21("7","4","6","6","1","3","7","1") = "6"
    & skf21("7","4","6","6","1","4","1","1") = "6"
    & skf21("7","4","6","6","1","4","2","1") = "6"
    & skf21("7","4","6","6","1","4","3","1") = "6"
    & skf21("7","4","6","6","1","4","4","1") = "6"
    & skf21("7","4","6","6","1","4","5","1") = "6"
    & skf21("7","4","6","6","1","4","6","1") = "6"
    & skf21("7","4","6","6","1","4","7","1") = "6"
    & skf21("7","4","6","6","1","5","1","1") = "6"
    & skf21("7","4","6","6","1","5","2","1") = "6"
    & skf21("7","4","6","6","1","5","3","1") = "6"
    & skf21("7","4","6","6","1","5","4","1") = "6"
    & skf21("7","4","6","6","1","5","5","1") = "6"
    & skf21("7","4","6","6","1","5","6","1") = "6"
    & skf21("7","4","6","6","1","5","7","1") = "6"
    & skf21("7","4","6","6","1","6","1","1") = "6"
    & skf21("7","4","6","6","1","6","2","1") = "6"
    & skf21("7","4","6","6","1","6","3","1") = "6"
    & skf21("7","4","6","6","1","6","4","1") = "6"
    & skf21("7","4","6","6","1","6","5","1") = "6"
    & skf21("7","4","6","6","1","6","6","1") = "6"
    & skf21("7","4","6","6","1","6","7","1") = "6"
    & skf21("7","4","6","6","1","7","1","1") = "6"
    & skf21("7","4","6","6","1","7","2","1") = "6"
    & skf21("7","4","6","6","1","7","3","1") = "6"
    & skf21("7","4","6","6","1","7","4","1") = "6"
    & skf21("7","4","6","6","1","7","5","1") = "6"
    & skf21("7","4","6","6","1","7","6","1") = "6"
    & skf21("7","4","6","6","1","7","7","1") = "6"
    & skf21("7","4","6","6","2","1","1","1") = "6"
    & skf21("7","4","6","6","2","1","2","1") = "6"
    & skf21("7","4","6","6","2","1","3","1") = "6"
    & skf21("7","4","6","6","2","1","4","1") = "6"
    & skf21("7","4","6","6","2","1","5","1") = "6"
    & skf21("7","4","6","6","2","1","6","1") = "6"
    & skf21("7","4","6","6","2","1","7","1") = "6"
    & skf21("7","4","6","6","2","2","1","1") = "6"
    & skf21("7","4","6","6","2","2","2","1") = "6"
    & skf21("7","4","6","6","2","2","3","1") = "6"
    & skf21("7","4","6","6","2","2","4","1") = "6"
    & skf21("7","4","6","6","2","2","5","1") = "6"
    & skf21("7","4","6","6","2","2","6","1") = "6"
    & skf21("7","4","6","6","2","2","7","1") = "6"
    & skf21("7","4","6","6","2","3","1","1") = "6"
    & skf21("7","4","6","6","2","3","2","1") = "6"
    & skf21("7","4","6","6","2","3","3","1") = "6"
    & skf21("7","4","6","6","2","3","4","1") = "6"
    & skf21("7","4","6","6","2","3","5","1") = "6"
    & skf21("7","4","6","6","2","3","6","1") = "6"
    & skf21("7","4","6","6","2","3","7","1") = "6"
    & skf21("7","4","6","6","2","4","1","1") = "6"
    & skf21("7","4","6","6","2","4","2","1") = "6"
    & skf21("7","4","6","6","2","4","3","1") = "6"
    & skf21("7","4","6","6","2","4","4","1") = "6"
    & skf21("7","4","6","6","2","4","5","1") = "6"
    & skf21("7","4","6","6","2","4","6","1") = "6"
    & skf21("7","4","6","6","2","4","7","1") = "6"
    & skf21("7","4","6","6","2","5","1","1") = "6"
    & skf21("7","4","6","6","2","5","2","1") = "6"
    & skf21("7","4","6","6","2","5","3","1") = "6"
    & skf21("7","4","6","6","2","5","4","1") = "6"
    & skf21("7","4","6","6","2","5","5","1") = "6"
    & skf21("7","4","6","6","2","5","6","1") = "6"
    & skf21("7","4","6","6","2","5","7","1") = "6"
    & skf21("7","4","6","6","2","6","1","1") = "6"
    & skf21("7","4","6","6","2","6","2","1") = "6"
    & skf21("7","4","6","6","2","6","3","1") = "6"
    & skf21("7","4","6","6","2","6","4","1") = "6"
    & skf21("7","4","6","6","2","6","5","1") = "6"
    & skf21("7","4","6","6","2","6","6","1") = "6"
    & skf21("7","4","6","6","2","6","7","1") = "6"
    & skf21("7","4","6","6","2","7","1","1") = "6"
    & skf21("7","4","6","6","2","7","2","1") = "6"
    & skf21("7","4","6","6","2","7","3","1") = "6"
    & skf21("7","4","6","6","2","7","4","1") = "6"
    & skf21("7","4","6","6","2","7","5","1") = "6"
    & skf21("7","4","6","6","2","7","6","1") = "6"
    & skf21("7","4","6","6","2","7","7","1") = "6"
    & skf21("7","4","6","6","3","1","1","1") = "6"
    & skf21("7","4","6","6","3","1","2","1") = "6"
    & skf21("7","4","6","6","3","1","3","1") = "6"
    & skf21("7","4","6","6","3","1","4","1") = "6"
    & skf21("7","4","6","6","3","1","5","1") = "6"
    & skf21("7","4","6","6","3","1","6","1") = "6"
    & skf21("7","4","6","6","3","1","7","1") = "6"
    & skf21("7","4","6","6","3","2","1","1") = "6"
    & skf21("7","4","6","6","3","2","2","1") = "6"
    & skf21("7","4","6","6","3","2","3","1") = "6"
    & skf21("7","4","6","6","3","2","4","1") = "6"
    & skf21("7","4","6","6","3","2","5","1") = "6"
    & skf21("7","4","6","6","3","2","6","1") = "6"
    & skf21("7","4","6","6","3","2","7","1") = "6"
    & skf21("7","4","6","6","3","3","1","1") = "6"
    & skf21("7","4","6","6","3","3","2","1") = "6"
    & skf21("7","4","6","6","3","3","3","1") = "6"
    & skf21("7","4","6","6","3","3","4","1") = "6"
    & skf21("7","4","6","6","3","3","5","1") = "6"
    & skf21("7","4","6","6","3","3","6","1") = "6"
    & skf21("7","4","6","6","3","3","7","1") = "6"
    & skf21("7","4","6","6","3","4","1","1") = "6"
    & skf21("7","4","6","6","3","4","2","1") = "6"
    & skf21("7","4","6","6","3","4","3","1") = "6"
    & skf21("7","4","6","6","3","4","4","1") = "6"
    & skf21("7","4","6","6","3","4","5","1") = "6"
    & skf21("7","4","6","6","3","4","6","1") = "6"
    & skf21("7","4","6","6","3","4","7","1") = "6"
    & skf21("7","4","6","6","3","5","1","1") = "6"
    & skf21("7","4","6","6","3","5","2","1") = "6"
    & skf21("7","4","6","6","3","5","3","1") = "6"
    & skf21("7","4","6","6","3","5","4","1") = "6"
    & skf21("7","4","6","6","3","5","5","1") = "6"
    & skf21("7","4","6","6","3","5","6","1") = "6"
    & skf21("7","4","6","6","3","5","7","1") = "6"
    & skf21("7","4","6","6","3","6","1","1") = "6"
    & skf21("7","4","6","6","3","6","2","1") = "6"
    & skf21("7","4","6","6","3","6","3","1") = "6"
    & skf21("7","4","6","6","3","6","4","1") = "6"
    & skf21("7","4","6","6","3","6","5","1") = "6"
    & skf21("7","4","6","6","3","6","6","1") = "6"
    & skf21("7","4","6","6","3","6","7","1") = "6"
    & skf21("7","4","6","6","3","7","1","1") = "6"
    & skf21("7","4","6","6","3","7","2","1") = "6"
    & skf21("7","4","6","6","3","7","3","1") = "6"
    & skf21("7","4","6","6","3","7","4","1") = "6"
    & skf21("7","4","6","6","3","7","5","1") = "6"
    & skf21("7","4","6","6","3","7","6","1") = "6"
    & skf21("7","4","6","6","3","7","7","1") = "6"
    & skf21("7","4","6","6","4","1","1","1") = "6"
    & skf21("7","4","6","6","4","1","2","1") = "6"
    & skf21("7","4","6","6","4","1","3","1") = "6"
    & skf21("7","4","6","6","4","1","4","1") = "6"
    & skf21("7","4","6","6","4","1","5","1") = "6"
    & skf21("7","4","6","6","4","1","6","1") = "6"
    & skf21("7","4","6","6","4","1","7","1") = "6"
    & skf21("7","4","6","6","4","2","1","1") = "6"
    & skf21("7","4","6","6","4","2","2","1") = "6"
    & skf21("7","4","6","6","4","2","3","1") = "6"
    & skf21("7","4","6","6","4","2","4","1") = "6"
    & skf21("7","4","6","6","4","2","5","1") = "6"
    & skf21("7","4","6","6","4","2","6","1") = "6"
    & skf21("7","4","6","6","4","2","7","1") = "6"
    & skf21("7","4","6","6","4","3","1","1") = "6"
    & skf21("7","4","6","6","4","3","2","1") = "6"
    & skf21("7","4","6","6","4","3","3","1") = "6"
    & skf21("7","4","6","6","4","3","4","1") = "6"
    & skf21("7","4","6","6","4","3","5","1") = "6"
    & skf21("7","4","6","6","4","3","6","1") = "6"
    & skf21("7","4","6","6","4","3","7","1") = "6"
    & skf21("7","4","6","6","4","4","1","1") = "6"
    & skf21("7","4","6","6","4","4","2","1") = "6"
    & skf21("7","4","6","6","4","4","3","1") = "6"
    & skf21("7","4","6","6","4","4","4","1") = "6"
    & skf21("7","4","6","6","4","4","5","1") = "6"
    & skf21("7","4","6","6","4","4","6","1") = "6"
    & skf21("7","4","6","6","4","4","7","1") = "6"
    & skf21("7","4","6","6","4","5","1","1") = "6"
    & skf21("7","4","6","6","4","5","2","1") = "6"
    & skf21("7","4","6","6","4","5","3","1") = "6"
    & skf21("7","4","6","6","4","5","4","1") = "6"
    & skf21("7","4","6","6","4","5","5","1") = "6"
    & skf21("7","4","6","6","4","5","6","1") = "6"
    & skf21("7","4","6","6","4","5","7","1") = "6"
    & skf21("7","4","6","6","4","6","1","1") = "6"
    & skf21("7","4","6","6","4","6","2","1") = "6"
    & skf21("7","4","6","6","4","6","3","1") = "6"
    & skf21("7","4","6","6","4","6","4","1") = "6"
    & skf21("7","4","6","6","4","6","5","1") = "6"
    & skf21("7","4","6","6","4","6","6","1") = "6"
    & skf21("7","4","6","6","4","6","7","1") = "6"
    & skf21("7","4","6","6","4","7","1","1") = "6"
    & skf21("7","4","6","6","4","7","2","1") = "6"
    & skf21("7","4","6","6","4","7","3","1") = "6"
    & skf21("7","4","6","6","4","7","4","1") = "6"
    & skf21("7","4","6","6","4","7","5","1") = "6"
    & skf21("7","4","6","6","4","7","6","1") = "6"
    & skf21("7","4","6","6","4","7","7","1") = "6"
    & skf21("7","4","6","6","5","1","1","1") = "6"
    & skf21("7","4","6","6","5","1","2","1") = "6"
    & skf21("7","4","6","6","5","1","3","1") = "6"
    & skf21("7","4","6","6","5","1","4","1") = "6"
    & skf21("7","4","6","6","5","1","5","1") = "6"
    & skf21("7","4","6","6","5","1","6","1") = "6"
    & skf21("7","4","6","6","5","1","7","1") = "6"
    & skf21("7","4","6","6","5","2","1","1") = "6"
    & skf21("7","4","6","6","5","2","2","1") = "6"
    & skf21("7","4","6","6","5","2","3","1") = "6"
    & skf21("7","4","6","6","5","2","4","1") = "6"
    & skf21("7","4","6","6","5","2","5","1") = "6"
    & skf21("7","4","6","6","5","2","6","1") = "6"
    & skf21("7","4","6","6","5","2","7","1") = "6"
    & skf21("7","4","6","6","5","3","1","1") = "6"
    & skf21("7","4","6","6","5","3","2","1") = "6"
    & skf21("7","4","6","6","5","3","3","1") = "6"
    & skf21("7","4","6","6","5","3","4","1") = "6"
    & skf21("7","4","6","6","5","3","5","1") = "6"
    & skf21("7","4","6","6","5","3","6","1") = "6"
    & skf21("7","4","6","6","5","3","7","1") = "6"
    & skf21("7","4","6","6","5","4","1","1") = "6"
    & skf21("7","4","6","6","5","4","2","1") = "6"
    & skf21("7","4","6","6","5","4","3","1") = "6"
    & skf21("7","4","6","6","5","4","4","1") = "6"
    & skf21("7","4","6","6","5","4","5","1") = "6"
    & skf21("7","4","6","6","5","4","6","1") = "6"
    & skf21("7","4","6","6","5","4","7","1") = "6"
    & skf21("7","4","6","6","5","5","1","1") = "6"
    & skf21("7","4","6","6","5","5","2","1") = "6"
    & skf21("7","4","6","6","5","5","3","1") = "6"
    & skf21("7","4","6","6","5","5","4","1") = "6"
    & skf21("7","4","6","6","5","5","5","1") = "6"
    & skf21("7","4","6","6","5","5","6","1") = "6"
    & skf21("7","4","6","6","5","5","7","1") = "6"
    & skf21("7","4","6","6","5","6","1","1") = "6"
    & skf21("7","4","6","6","5","6","2","1") = "6"
    & skf21("7","4","6","6","5","6","3","1") = "6"
    & skf21("7","4","6","6","5","6","4","1") = "6"
    & skf21("7","4","6","6","5","6","5","1") = "6"
    & skf21("7","4","6","6","5","6","6","1") = "6"
    & skf21("7","4","6","6","5","6","7","1") = "6"
    & skf21("7","4","6","6","5","7","1","1") = "6"
    & skf21("7","4","6","6","5","7","2","1") = "6"
    & skf21("7","4","6","6","5","7","3","1") = "6"
    & skf21("7","4","6","6","5","7","4","1") = "6"
    & skf21("7","4","6","6","5","7","5","1") = "6"
    & skf21("7","4","6","6","5","7","6","1") = "6"
    & skf21("7","4","6","6","5","7","7","1") = "6"
    & skf21("7","4","6","6","6","1","1","1") = "6"
    & skf21("7","4","6","6","6","1","2","1") = "6"
    & skf21("7","4","6","6","6","1","3","1") = "6"
    & skf21("7","4","6","6","6","1","4","1") = "6"
    & skf21("7","4","6","6","6","1","5","1") = "6"
    & skf21("7","4","6","6","6","1","6","1") = "6"
    & skf21("7","4","6","6","6","1","7","1") = "6"
    & skf21("7","4","6","6","6","2","1","1") = "6"
    & skf21("7","4","6","6","6","2","2","1") = "6"
    & skf21("7","4","6","6","6","2","3","1") = "6"
    & skf21("7","4","6","6","6","2","4","1") = "6"
    & skf21("7","4","6","6","6","2","5","1") = "6"
    & skf21("7","4","6","6","6","2","6","1") = "6"
    & skf21("7","4","6","6","6","2","7","1") = "6"
    & skf21("7","4","6","6","6","3","1","1") = "6"
    & skf21("7","4","6","6","6","3","2","1") = "6"
    & skf21("7","4","6","6","6","3","3","1") = "6"
    & skf21("7","4","6","6","6","3","4","1") = "6"
    & skf21("7","4","6","6","6","3","5","1") = "6"
    & skf21("7","4","6","6","6","3","6","1") = "6"
    & skf21("7","4","6","6","6","3","7","1") = "6"
    & skf21("7","4","6","6","6","4","1","1") = "6"
    & skf21("7","4","6","6","6","4","2","1") = "6"
    & skf21("7","4","6","6","6","4","3","1") = "6"
    & skf21("7","4","6","6","6","4","4","1") = "6"
    & skf21("7","4","6","6","6","4","5","1") = "6"
    & skf21("7","4","6","6","6","4","6","1") = "6"
    & skf21("7","4","6","6","6","4","7","1") = "6"
    & skf21("7","4","6","6","6","5","1","1") = "6"
    & skf21("7","4","6","6","6","5","2","1") = "6"
    & skf21("7","4","6","6","6","5","3","1") = "6"
    & skf21("7","4","6","6","6","5","4","1") = "6"
    & skf21("7","4","6","6","6","5","5","1") = "6"
    & skf21("7","4","6","6","6","5","6","1") = "6"
    & skf21("7","4","6","6","6","5","7","1") = "6"
    & skf21("7","4","6","6","6","6","1","1") = "6"
    & skf21("7","4","6","6","6","6","2","1") = "6"
    & skf21("7","4","6","6","6","6","3","1") = "6"
    & skf21("7","4","6","6","6","6","4","1") = "6"
    & skf21("7","4","6","6","6","6","5","1") = "6"
    & skf21("7","4","6","6","6","6","6","1") = "6"
    & skf21("7","4","6","6","6","6","7","1") = "6"
    & skf21("7","4","6","6","6","7","1","1") = "6"
    & skf21("7","4","6","6","6","7","2","1") = "6"
    & skf21("7","4","6","6","6","7","3","1") = "6"
    & skf21("7","4","6","6","6","7","4","1") = "6"
    & skf21("7","4","6","6","6","7","5","1") = "6"
    & skf21("7","4","6","6","6","7","6","1") = "6"
    & skf21("7","4","6","6","6","7","7","1") = "6"
    & skf21("7","4","6","6","7","1","1","1") = "6"
    & skf21("7","4","6","6","7","1","2","1") = "6"
    & skf21("7","4","6","6","7","1","3","1") = "6"
    & skf21("7","4","6","6","7","1","4","1") = "6"
    & skf21("7","4","6","6","7","1","5","1") = "6"
    & skf21("7","4","6","6","7","1","6","1") = "6"
    & skf21("7","4","6","6","7","1","7","1") = "6"
    & skf21("7","4","6","6","7","2","1","1") = "6"
    & skf21("7","4","6","6","7","2","2","1") = "6"
    & skf21("7","4","6","6","7","2","3","1") = "6"
    & skf21("7","4","6","6","7","2","4","1") = "6"
    & skf21("7","4","6","6","7","2","5","1") = "6"
    & skf21("7","4","6","6","7","2","6","1") = "6"
    & skf21("7","4","6","6","7","2","7","1") = "6"
    & skf21("7","4","6","6","7","3","1","1") = "6"
    & skf21("7","4","6","6","7","3","2","1") = "6"
    & skf21("7","4","6","6","7","3","3","1") = "6"
    & skf21("7","4","6","6","7","3","4","1") = "6"
    & skf21("7","4","6","6","7","3","5","1") = "6"
    & skf21("7","4","6","6","7","3","6","1") = "6"
    & skf21("7","4","6","6","7","3","7","1") = "6"
    & skf21("7","4","6","6","7","4","1","1") = "6"
    & skf21("7","4","6","6","7","4","2","1") = "6"
    & skf21("7","4","6","6","7","4","3","1") = "6"
    & skf21("7","4","6","6","7","4","4","1") = "6"
    & skf21("7","4","6","6","7","4","5","1") = "6"
    & skf21("7","4","6","6","7","4","6","1") = "6"
    & skf21("7","4","6","6","7","4","7","1") = "6"
    & skf21("7","4","6","6","7","5","1","1") = "6"
    & skf21("7","4","6","6","7","5","2","1") = "6"
    & skf21("7","4","6","6","7","5","3","1") = "6"
    & skf21("7","4","6","6","7","5","4","1") = "6"
    & skf21("7","4","6","6","7","5","5","1") = "6"
    & skf21("7","4","6","6","7","5","6","1") = "6"
    & skf21("7","4","6","6","7","5","7","1") = "6"
    & skf21("7","4","6","6","7","6","1","1") = "6"
    & skf21("7","4","6","6","7","6","2","1") = "6"
    & skf21("7","4","6","6","7","6","3","1") = "6"
    & skf21("7","4","6","6","7","6","4","1") = "6"
    & skf21("7","4","6","6","7","6","5","1") = "6"
    & skf21("7","4","6","6","7","6","6","1") = "6"
    & skf21("7","4","6","6","7","6","7","1") = "6"
    & skf21("7","4","6","6","7","7","1","1") = "6"
    & skf21("7","4","6","6","7","7","2","1") = "6"
    & skf21("7","4","6","6","7","7","3","1") = "6"
    & skf21("7","4","6","6","7","7","4","1") = "6"
    & skf21("7","4","6","6","7","7","5","1") = "6"
    & skf21("7","4","6","6","7","7","6","1") = "6"
    & skf21("7","4","6","6","7","7","7","1") = "6"
    & skf21("7","4","6","7","1","1","1","1") = "6"
    & skf21("7","4","6","7","1","1","2","1") = "6"
    & skf21("7","4","6","7","1","1","3","1") = "6"
    & skf21("7","4","6","7","1","1","4","1") = "6"
    & skf21("7","4","6","7","1","1","5","1") = "6"
    & skf21("7","4","6","7","1","1","6","1") = "6"
    & skf21("7","4","6","7","1","1","7","1") = "6"
    & skf21("7","4","6","7","1","2","1","1") = "6"
    & skf21("7","4","6","7","1","2","2","1") = "6"
    & skf21("7","4","6","7","1","2","3","1") = "6"
    & skf21("7","4","6","7","1","2","4","1") = "6"
    & skf21("7","4","6","7","1","2","5","1") = "6"
    & skf21("7","4","6","7","1","2","6","1") = "6"
    & skf21("7","4","6","7","1","2","7","1") = "6"
    & skf21("7","4","6","7","1","3","1","1") = "6"
    & skf21("7","4","6","7","1","3","2","1") = "6"
    & skf21("7","4","6","7","1","3","3","1") = "6"
    & skf21("7","4","6","7","1","3","4","1") = "6"
    & skf21("7","4","6","7","1","3","5","1") = "6"
    & skf21("7","4","6","7","1","3","6","1") = "6"
    & skf21("7","4","6","7","1","3","7","1") = "6"
    & skf21("7","4","6","7","1","4","1","1") = "6"
    & skf21("7","4","6","7","1","4","2","1") = "6"
    & skf21("7","4","6","7","1","4","3","1") = "6"
    & skf21("7","4","6","7","1","4","4","1") = "6"
    & skf21("7","4","6","7","1","4","5","1") = "6"
    & skf21("7","4","6","7","1","4","6","1") = "6"
    & skf21("7","4","6","7","1","4","7","1") = "6"
    & skf21("7","4","6","7","1","5","1","1") = "6"
    & skf21("7","4","6","7","1","5","2","1") = "6"
    & skf21("7","4","6","7","1","5","3","1") = "6"
    & skf21("7","4","6","7","1","5","4","1") = "6"
    & skf21("7","4","6","7","1","5","5","1") = "6"
    & skf21("7","4","6","7","1","5","6","1") = "6"
    & skf21("7","4","6","7","1","5","7","1") = "6"
    & skf21("7","4","6","7","1","6","1","1") = "6"
    & skf21("7","4","6","7","1","6","2","1") = "6"
    & skf21("7","4","6","7","1","6","3","1") = "6"
    & skf21("7","4","6","7","1","6","4","1") = "6"
    & skf21("7","4","6","7","1","6","5","1") = "6"
    & skf21("7","4","6","7","1","6","6","1") = "6"
    & skf21("7","4","6","7","1","6","7","1") = "6"
    & skf21("7","4","6","7","1","7","1","1") = "6"
    & skf21("7","4","6","7","1","7","2","1") = "6"
    & skf21("7","4","6","7","1","7","3","1") = "6"
    & skf21("7","4","6","7","1","7","4","1") = "6"
    & skf21("7","4","6","7","1","7","5","1") = "6"
    & skf21("7","4","6","7","1","7","6","1") = "6"
    & skf21("7","4","6","7","1","7","7","1") = "6"
    & skf21("7","4","6","7","2","1","1","1") = "6"
    & skf21("7","4","6","7","2","1","2","1") = "6"
    & skf21("7","4","6","7","2","1","3","1") = "6"
    & skf21("7","4","6","7","2","1","4","1") = "6"
    & skf21("7","4","6","7","2","1","5","1") = "6"
    & skf21("7","4","6","7","2","1","6","1") = "6"
    & skf21("7","4","6","7","2","1","7","1") = "6"
    & skf21("7","4","6","7","2","2","1","1") = "6"
    & skf21("7","4","6","7","2","2","2","1") = "6"
    & skf21("7","4","6","7","2","2","3","1") = "6"
    & skf21("7","4","6","7","2","2","4","1") = "6"
    & skf21("7","4","6","7","2","2","5","1") = "6"
    & skf21("7","4","6","7","2","2","6","1") = "6"
    & skf21("7","4","6","7","2","2","7","1") = "6"
    & skf21("7","4","6","7","2","3","1","1") = "6"
    & skf21("7","4","6","7","2","3","2","1") = "6"
    & skf21("7","4","6","7","2","3","3","1") = "6"
    & skf21("7","4","6","7","2","3","4","1") = "6"
    & skf21("7","4","6","7","2","3","5","1") = "6"
    & skf21("7","4","6","7","2","3","6","1") = "6"
    & skf21("7","4","6","7","2","3","7","1") = "6"
    & skf21("7","4","6","7","2","4","1","1") = "6"
    & skf21("7","4","6","7","2","4","2","1") = "6"
    & skf21("7","4","6","7","2","4","3","1") = "6"
    & skf21("7","4","6","7","2","4","4","1") = "6"
    & skf21("7","4","6","7","2","4","5","1") = "6"
    & skf21("7","4","6","7","2","4","6","1") = "6"
    & skf21("7","4","6","7","2","4","7","1") = "6"
    & skf21("7","4","6","7","2","5","1","1") = "6"
    & skf21("7","4","6","7","2","5","2","1") = "6"
    & skf21("7","4","6","7","2","5","3","1") = "6"
    & skf21("7","4","6","7","2","5","4","1") = "6"
    & skf21("7","4","6","7","2","5","5","1") = "6"
    & skf21("7","4","6","7","2","5","6","1") = "6"
    & skf21("7","4","6","7","2","5","7","1") = "6"
    & skf21("7","4","6","7","2","6","1","1") = "6"
    & skf21("7","4","6","7","2","6","2","1") = "6"
    & skf21("7","4","6","7","2","6","3","1") = "6"
    & skf21("7","4","6","7","2","6","4","1") = "6"
    & skf21("7","4","6","7","2","6","5","1") = "6"
    & skf21("7","4","6","7","2","6","6","1") = "6"
    & skf21("7","4","6","7","2","6","7","1") = "6"
    & skf21("7","4","6","7","2","7","1","1") = "6"
    & skf21("7","4","6","7","2","7","2","1") = "6"
    & skf21("7","4","6","7","2","7","3","1") = "6"
    & skf21("7","4","6","7","2","7","4","1") = "6"
    & skf21("7","4","6","7","2","7","5","1") = "6"
    & skf21("7","4","6","7","2","7","6","1") = "6"
    & skf21("7","4","6","7","2","7","7","1") = "6"
    & skf21("7","4","6","7","3","1","1","1") = "6"
    & skf21("7","4","6","7","3","1","2","1") = "6"
    & skf21("7","4","6","7","3","1","3","1") = "6"
    & skf21("7","4","6","7","3","1","4","1") = "6"
    & skf21("7","4","6","7","3","1","5","1") = "6"
    & skf21("7","4","6","7","3","1","6","1") = "6"
    & skf21("7","4","6","7","3","1","7","1") = "6"
    & skf21("7","4","6","7","3","2","1","1") = "6"
    & skf21("7","4","6","7","3","2","2","1") = "6"
    & skf21("7","4","6","7","3","2","3","1") = "6"
    & skf21("7","4","6","7","3","2","4","1") = "6"
    & skf21("7","4","6","7","3","2","5","1") = "6"
    & skf21("7","4","6","7","3","2","6","1") = "6"
    & skf21("7","4","6","7","3","2","7","1") = "6"
    & skf21("7","4","6","7","3","3","1","1") = "6"
    & skf21("7","4","6","7","3","3","2","1") = "6"
    & skf21("7","4","6","7","3","3","3","1") = "6"
    & skf21("7","4","6","7","3","3","4","1") = "6"
    & skf21("7","4","6","7","3","3","5","1") = "6"
    & skf21("7","4","6","7","3","3","6","1") = "6"
    & skf21("7","4","6","7","3","3","7","1") = "6"
    & skf21("7","4","6","7","3","4","1","1") = "6"
    & skf21("7","4","6","7","3","4","2","1") = "6"
    & skf21("7","4","6","7","3","4","3","1") = "6"
    & skf21("7","4","6","7","3","4","4","1") = "6"
    & skf21("7","4","6","7","3","4","5","1") = "6"
    & skf21("7","4","6","7","3","4","6","1") = "6"
    & skf21("7","4","6","7","3","4","7","1") = "6"
    & skf21("7","4","6","7","3","5","1","1") = "6"
    & skf21("7","4","6","7","3","5","2","1") = "6"
    & skf21("7","4","6","7","3","5","3","1") = "6"
    & skf21("7","4","6","7","3","5","4","1") = "6"
    & skf21("7","4","6","7","3","5","5","1") = "6"
    & skf21("7","4","6","7","3","5","6","1") = "6"
    & skf21("7","4","6","7","3","5","7","1") = "6"
    & skf21("7","4","6","7","3","6","1","1") = "6"
    & skf21("7","4","6","7","3","6","2","1") = "6"
    & skf21("7","4","6","7","3","6","3","1") = "6"
    & skf21("7","4","6","7","3","6","4","1") = "6"
    & skf21("7","4","6","7","3","6","5","1") = "6"
    & skf21("7","4","6","7","3","6","6","1") = "6"
    & skf21("7","4","6","7","3","6","7","1") = "6"
    & skf21("7","4","6","7","3","7","1","1") = "6"
    & skf21("7","4","6","7","3","7","2","1") = "6"
    & skf21("7","4","6","7","3","7","3","1") = "6"
    & skf21("7","4","6","7","3","7","4","1") = "6"
    & skf21("7","4","6","7","3","7","5","1") = "6"
    & skf21("7","4","6","7","3","7","6","1") = "6"
    & skf21("7","4","6","7","3","7","7","1") = "6"
    & skf21("7","4","6","7","4","1","1","1") = "6"
    & skf21("7","4","6","7","4","1","2","1") = "6"
    & skf21("7","4","6","7","4","1","3","1") = "6"
    & skf21("7","4","6","7","4","1","4","1") = "6"
    & skf21("7","4","6","7","4","1","5","1") = "6"
    & skf21("7","4","6","7","4","1","6","1") = "6"
    & skf21("7","4","6","7","4","1","7","1") = "6"
    & skf21("7","4","6","7","4","2","1","1") = "6"
    & skf21("7","4","6","7","4","2","2","1") = "6"
    & skf21("7","4","6","7","4","2","3","1") = "6"
    & skf21("7","4","6","7","4","2","4","1") = "6"
    & skf21("7","4","6","7","4","2","5","1") = "6"
    & skf21("7","4","6","7","4","2","6","1") = "6"
    & skf21("7","4","6","7","4","2","7","1") = "6"
    & skf21("7","4","6","7","4","3","1","1") = "6"
    & skf21("7","4","6","7","4","3","2","1") = "6"
    & skf21("7","4","6","7","4","3","3","1") = "6"
    & skf21("7","4","6","7","4","3","4","1") = "6"
    & skf21("7","4","6","7","4","3","5","1") = "6"
    & skf21("7","4","6","7","4","3","6","1") = "6"
    & skf21("7","4","6","7","4","3","7","1") = "6"
    & skf21("7","4","6","7","4","4","1","1") = "6"
    & skf21("7","4","6","7","4","4","2","1") = "6"
    & skf21("7","4","6","7","4","4","3","1") = "6"
    & skf21("7","4","6","7","4","4","4","1") = "6"
    & skf21("7","4","6","7","4","4","5","1") = "6"
    & skf21("7","4","6","7","4","4","6","1") = "6"
    & skf21("7","4","6","7","4","4","7","1") = "6"
    & skf21("7","4","6","7","4","5","1","1") = "6"
    & skf21("7","4","6","7","4","5","2","1") = "6"
    & skf21("7","4","6","7","4","5","3","1") = "6"
    & skf21("7","4","6","7","4","5","4","1") = "6"
    & skf21("7","4","6","7","4","5","5","1") = "6"
    & skf21("7","4","6","7","4","5","6","1") = "6"
    & skf21("7","4","6","7","4","5","7","1") = "6"
    & skf21("7","4","6","7","4","6","1","1") = "6"
    & skf21("7","4","6","7","4","6","2","1") = "6"
    & skf21("7","4","6","7","4","6","3","1") = "6"
    & skf21("7","4","6","7","4","6","4","1") = "6"
    & skf21("7","4","6","7","4","6","5","1") = "6"
    & skf21("7","4","6","7","4","6","6","1") = "6"
    & skf21("7","4","6","7","4","6","7","1") = "6"
    & skf21("7","4","6","7","4","7","1","1") = "6"
    & skf21("7","4","6","7","4","7","2","1") = "6"
    & skf21("7","4","6","7","4","7","3","1") = "6"
    & skf21("7","4","6","7","4","7","4","1") = "6"
    & skf21("7","4","6","7","4","7","5","1") = "6"
    & skf21("7","4","6","7","4","7","6","1") = "6"
    & skf21("7","4","6","7","4","7","7","1") = "6"
    & skf21("7","4","6","7","5","1","1","1") = "6"
    & skf21("7","4","6","7","5","1","2","1") = "6"
    & skf21("7","4","6","7","5","1","3","1") = "6"
    & skf21("7","4","6","7","5","1","4","1") = "6"
    & skf21("7","4","6","7","5","1","5","1") = "6"
    & skf21("7","4","6","7","5","1","6","1") = "6"
    & skf21("7","4","6","7","5","1","7","1") = "6"
    & skf21("7","4","6","7","5","2","1","1") = "6"
    & skf21("7","4","6","7","5","2","2","1") = "6"
    & skf21("7","4","6","7","5","2","3","1") = "6"
    & skf21("7","4","6","7","5","2","4","1") = "6"
    & skf21("7","4","6","7","5","2","5","1") = "6"
    & skf21("7","4","6","7","5","2","6","1") = "6"
    & skf21("7","4","6","7","5","2","7","1") = "6"
    & skf21("7","4","6","7","5","3","1","1") = "6"
    & skf21("7","4","6","7","5","3","2","1") = "6"
    & skf21("7","4","6","7","5","3","3","1") = "6"
    & skf21("7","4","6","7","5","3","4","1") = "6"
    & skf21("7","4","6","7","5","3","5","1") = "6"
    & skf21("7","4","6","7","5","3","6","1") = "6"
    & skf21("7","4","6","7","5","3","7","1") = "6"
    & skf21("7","4","6","7","5","4","1","1") = "6"
    & skf21("7","4","6","7","5","4","2","1") = "6"
    & skf21("7","4","6","7","5","4","3","1") = "6"
    & skf21("7","4","6","7","5","4","4","1") = "6"
    & skf21("7","4","6","7","5","4","5","1") = "6"
    & skf21("7","4","6","7","5","4","6","1") = "6"
    & skf21("7","4","6","7","5","4","7","1") = "6"
    & skf21("7","4","6","7","5","5","1","1") = "6"
    & skf21("7","4","6","7","5","5","2","1") = "6"
    & skf21("7","4","6","7","5","5","3","1") = "6"
    & skf21("7","4","6","7","5","5","4","1") = "6"
    & skf21("7","4","6","7","5","5","5","1") = "6"
    & skf21("7","4","6","7","5","5","6","1") = "6"
    & skf21("7","4","6","7","5","5","7","1") = "6"
    & skf21("7","4","6","7","5","6","1","1") = "6"
    & skf21("7","4","6","7","5","6","2","1") = "6"
    & skf21("7","4","6","7","5","6","3","1") = "6"
    & skf21("7","4","6","7","5","6","4","1") = "6"
    & skf21("7","4","6","7","5","6","5","1") = "6"
    & skf21("7","4","6","7","5","6","6","1") = "6"
    & skf21("7","4","6","7","5","6","7","1") = "6"
    & skf21("7","4","6","7","5","7","1","1") = "6"
    & skf21("7","4","6","7","5","7","2","1") = "6"
    & skf21("7","4","6","7","5","7","3","1") = "6"
    & skf21("7","4","6","7","5","7","4","1") = "6"
    & skf21("7","4","6","7","5","7","5","1") = "6"
    & skf21("7","4","6","7","5","7","6","1") = "6"
    & skf21("7","4","6","7","5","7","7","1") = "6"
    & skf21("7","4","6","7","6","1","1","1") = "6"
    & skf21("7","4","6","7","6","1","2","1") = "6"
    & skf21("7","4","6","7","6","1","3","1") = "6"
    & skf21("7","4","6","7","6","1","4","1") = "6"
    & skf21("7","4","6","7","6","1","5","1") = "6"
    & skf21("7","4","6","7","6","1","6","1") = "6"
    & skf21("7","4","6","7","6","1","7","1") = "6"
    & skf21("7","4","6","7","6","2","1","1") = "6"
    & skf21("7","4","6","7","6","2","2","1") = "6"
    & skf21("7","4","6","7","6","2","3","1") = "6"
    & skf21("7","4","6","7","6","2","4","1") = "6"
    & skf21("7","4","6","7","6","2","5","1") = "6"
    & skf21("7","4","6","7","6","2","6","1") = "6"
    & skf21("7","4","6","7","6","2","7","1") = "6"
    & skf21("7","4","6","7","6","3","1","1") = "6"
    & skf21("7","4","6","7","6","3","2","1") = "6"
    & skf21("7","4","6","7","6","3","3","1") = "6"
    & skf21("7","4","6","7","6","3","4","1") = "6"
    & skf21("7","4","6","7","6","3","5","1") = "6"
    & skf21("7","4","6","7","6","3","6","1") = "6"
    & skf21("7","4","6","7","6","3","7","1") = "6"
    & skf21("7","4","6","7","6","4","1","1") = "6"
    & skf21("7","4","6","7","6","4","2","1") = "6"
    & skf21("7","4","6","7","6","4","3","1") = "6"
    & skf21("7","4","6","7","6","4","4","1") = "6"
    & skf21("7","4","6","7","6","4","5","1") = "6"
    & skf21("7","4","6","7","6","4","6","1") = "6"
    & skf21("7","4","6","7","6","4","7","1") = "6"
    & skf21("7","4","6","7","6","5","1","1") = "6"
    & skf21("7","4","6","7","6","5","2","1") = "6"
    & skf21("7","4","6","7","6","5","3","1") = "6"
    & skf21("7","4","6","7","6","5","4","1") = "6"
    & skf21("7","4","6","7","6","5","5","1") = "6"
    & skf21("7","4","6","7","6","5","6","1") = "6"
    & skf21("7","4","6","7","6","5","7","1") = "6"
    & skf21("7","4","6","7","6","6","1","1") = "6"
    & skf21("7","4","6","7","6","6","2","1") = "6"
    & skf21("7","4","6","7","6","6","3","1") = "6"
    & skf21("7","4","6","7","6","6","4","1") = "6"
    & skf21("7","4","6","7","6","6","5","1") = "6"
    & skf21("7","4","6","7","6","6","6","1") = "6"
    & skf21("7","4","6","7","6","6","7","1") = "6"
    & skf21("7","4","6","7","6","7","1","1") = "6"
    & skf21("7","4","6","7","6","7","2","1") = "6"
    & skf21("7","4","6","7","6","7","3","1") = "6"
    & skf21("7","4","6","7","6","7","4","1") = "6"
    & skf21("7","4","6","7","6","7","5","1") = "6"
    & skf21("7","4","6","7","6","7","6","1") = "6"
    & skf21("7","4","6","7","6","7","7","1") = "6"
    & skf21("7","4","6","7","7","1","1","1") = "6"
    & skf21("7","4","6","7","7","1","2","1") = "6"
    & skf21("7","4","6","7","7","1","3","1") = "6"
    & skf21("7","4","6","7","7","1","4","1") = "6"
    & skf21("7","4","6","7","7","1","5","1") = "6"
    & skf21("7","4","6","7","7","1","6","1") = "6"
    & skf21("7","4","6","7","7","1","7","1") = "6"
    & skf21("7","4","6","7","7","2","1","1") = "6"
    & skf21("7","4","6","7","7","2","2","1") = "6"
    & skf21("7","4","6","7","7","2","3","1") = "6"
    & skf21("7","4","6","7","7","2","4","1") = "6"
    & skf21("7","4","6","7","7","2","5","1") = "6"
    & skf21("7","4","6","7","7","2","6","1") = "6"
    & skf21("7","4","6","7","7","2","7","1") = "6"
    & skf21("7","4","6","7","7","3","1","1") = "6"
    & skf21("7","4","6","7","7","3","2","1") = "6"
    & skf21("7","4","6","7","7","3","3","1") = "6"
    & skf21("7","4","6","7","7","3","4","1") = "6"
    & skf21("7","4","6","7","7","3","5","1") = "6"
    & skf21("7","4","6","7","7","3","6","1") = "6"
    & skf21("7","4","6","7","7","3","7","1") = "6"
    & skf21("7","4","6","7","7","4","1","1") = "6"
    & skf21("7","4","6","7","7","4","2","1") = "6"
    & skf21("7","4","6","7","7","4","3","1") = "6"
    & skf21("7","4","6","7","7","4","4","1") = "6"
    & skf21("7","4","6","7","7","4","5","1") = "6"
    & skf21("7","4","6","7","7","4","6","1") = "6"
    & skf21("7","4","6","7","7","4","7","1") = "6"
    & skf21("7","4","6","7","7","5","1","1") = "6"
    & skf21("7","4","6","7","7","5","2","1") = "6"
    & skf21("7","4","6","7","7","5","3","1") = "6"
    & skf21("7","4","6","7","7","5","4","1") = "6"
    & skf21("7","4","6","7","7","5","5","1") = "6"
    & skf21("7","4","6","7","7","5","6","1") = "6"
    & skf21("7","4","6","7","7","5","7","1") = "6"
    & skf21("7","4","6","7","7","6","1","1") = "6"
    & skf21("7","4","6","7","7","6","2","1") = "6"
    & skf21("7","4","6","7","7","6","3","1") = "6"
    & skf21("7","4","6","7","7","6","4","1") = "6"
    & skf21("7","4","6","7","7","6","5","1") = "6"
    & skf21("7","4","6","7","7","6","6","1") = "6"
    & skf21("7","4","6","7","7","6","7","1") = "6"
    & skf21("7","4","6","7","7","7","1","1") = "6"
    & skf21("7","4","6","7","7","7","2","1") = "6"
    & skf21("7","4","6","7","7","7","3","1") = "6"
    & skf21("7","4","6","7","7","7","4","1") = "6"
    & skf21("7","4","6","7","7","7","5","1") = "6"
    & skf21("7","4","6","7","7","7","6","1") = "6"
    & skf21("7","4","6","7","7","7","7","1") = "6"
    & skf21("7","4","7","1","1","1","1","1") = "6"
    & skf21("7","4","7","1","1","1","2","1") = "6"
    & skf21("7","4","7","1","1","1","3","1") = "6"
    & skf21("7","4","7","1","1","1","4","1") = "6"
    & skf21("7","4","7","1","1","1","5","1") = "6"
    & skf21("7","4","7","1","1","1","6","1") = "6"
    & skf21("7","4","7","1","1","1","7","1") = "6"
    & skf21("7","4","7","1","1","2","1","1") = "6"
    & skf21("7","4","7","1","1","2","2","1") = "6"
    & skf21("7","4","7","1","1","2","3","1") = "6"
    & skf21("7","4","7","1","1","2","4","1") = "6"
    & skf21("7","4","7","1","1","2","5","1") = "6"
    & skf21("7","4","7","1","1","2","6","1") = "6"
    & skf21("7","4","7","1","1","2","7","1") = "6"
    & skf21("7","4","7","1","1","3","1","1") = "6"
    & skf21("7","4","7","1","1","3","2","1") = "6"
    & skf21("7","4","7","1","1","3","3","1") = "6"
    & skf21("7","4","7","1","1","3","4","1") = "6"
    & skf21("7","4","7","1","1","3","5","1") = "6"
    & skf21("7","4","7","1","1","3","6","1") = "6"
    & skf21("7","4","7","1","1","3","7","1") = "6"
    & skf21("7","4","7","1","1","4","1","1") = "6"
    & skf21("7","4","7","1","1","4","2","1") = "6"
    & skf21("7","4","7","1","1","4","3","1") = "6"
    & skf21("7","4","7","1","1","4","4","1") = "6"
    & skf21("7","4","7","1","1","4","5","1") = "6"
    & skf21("7","4","7","1","1","4","6","1") = "6"
    & skf21("7","4","7","1","1","4","7","1") = "6"
    & skf21("7","4","7","1","1","5","1","1") = "6"
    & skf21("7","4","7","1","1","5","2","1") = "6"
    & skf21("7","4","7","1","1","5","3","1") = "6"
    & skf21("7","4","7","1","1","5","4","1") = "6"
    & skf21("7","4","7","1","1","5","5","1") = "6"
    & skf21("7","4","7","1","1","5","6","1") = "6"
    & skf21("7","4","7","1","1","5","7","1") = "6"
    & skf21("7","4","7","1","1","6","1","1") = "6"
    & skf21("7","4","7","1","1","6","2","1") = "6"
    & skf21("7","4","7","1","1","6","3","1") = "6"
    & skf21("7","4","7","1","1","6","4","1") = "6"
    & skf21("7","4","7","1","1","6","5","1") = "6"
    & skf21("7","4","7","1","1","6","6","1") = "6"
    & skf21("7","4","7","1","1","6","7","1") = "6"
    & skf21("7","4","7","1","1","7","1","1") = "6"
    & skf21("7","4","7","1","1","7","2","1") = "6"
    & skf21("7","4","7","1","1","7","3","1") = "6"
    & skf21("7","4","7","1","1","7","4","1") = "6"
    & skf21("7","4","7","1","1","7","5","1") = "6"
    & skf21("7","4","7","1","1","7","6","1") = "6"
    & skf21("7","4","7","1","1","7","7","1") = "6"
    & skf21("7","4","7","1","2","1","1","1") = "6"
    & skf21("7","4","7","1","2","1","2","1") = "6"
    & skf21("7","4","7","1","2","1","3","1") = "6"
    & skf21("7","4","7","1","2","1","4","1") = "6"
    & skf21("7","4","7","1","2","1","5","1") = "6"
    & skf21("7","4","7","1","2","1","6","1") = "6"
    & skf21("7","4","7","1","2","1","7","1") = "6"
    & skf21("7","4","7","1","2","2","1","1") = "6"
    & skf21("7","4","7","1","2","2","2","1") = "6"
    & skf21("7","4","7","1","2","2","3","1") = "6"
    & skf21("7","4","7","1","2","2","4","1") = "6"
    & skf21("7","4","7","1","2","2","5","1") = "6"
    & skf21("7","4","7","1","2","2","6","1") = "6"
    & skf21("7","4","7","1","2","2","7","1") = "6"
    & skf21("7","4","7","1","2","3","1","1") = "6"
    & skf21("7","4","7","1","2","3","2","1") = "6"
    & skf21("7","4","7","1","2","3","3","1") = "6"
    & skf21("7","4","7","1","2","3","4","1") = "6"
    & skf21("7","4","7","1","2","3","5","1") = "6"
    & skf21("7","4","7","1","2","3","6","1") = "6"
    & skf21("7","4","7","1","2","3","7","1") = "6"
    & skf21("7","4","7","1","2","4","1","1") = "6"
    & skf21("7","4","7","1","2","4","2","1") = "6"
    & skf21("7","4","7","1","2","4","3","1") = "6"
    & skf21("7","4","7","1","2","4","4","1") = "6"
    & skf21("7","4","7","1","2","4","5","1") = "6"
    & skf21("7","4","7","1","2","4","6","1") = "6"
    & skf21("7","4","7","1","2","4","7","1") = "6"
    & skf21("7","4","7","1","2","5","1","1") = "6"
    & skf21("7","4","7","1","2","5","2","1") = "6"
    & skf21("7","4","7","1","2","5","3","1") = "6"
    & skf21("7","4","7","1","2","5","4","1") = "6"
    & skf21("7","4","7","1","2","5","5","1") = "6"
    & skf21("7","4","7","1","2","5","6","1") = "6"
    & skf21("7","4","7","1","2","5","7","1") = "6"
    & skf21("7","4","7","1","2","6","1","1") = "6"
    & skf21("7","4","7","1","2","6","2","1") = "6"
    & skf21("7","4","7","1","2","6","3","1") = "6"
    & skf21("7","4","7","1","2","6","4","1") = "6"
    & skf21("7","4","7","1","2","6","5","1") = "6"
    & skf21("7","4","7","1","2","6","6","1") = "6"
    & skf21("7","4","7","1","2","6","7","1") = "6"
    & skf21("7","4","7","1","2","7","1","1") = "6"
    & skf21("7","4","7","1","2","7","2","1") = "6"
    & skf21("7","4","7","1","2","7","3","1") = "6"
    & skf21("7","4","7","1","2","7","4","1") = "6"
    & skf21("7","4","7","1","2","7","5","1") = "6"
    & skf21("7","4","7","1","2","7","6","1") = "6"
    & skf21("7","4","7","1","2","7","7","1") = "6"
    & skf21("7","4","7","1","3","1","1","1") = "6"
    & skf21("7","4","7","1","3","1","2","1") = "6"
    & skf21("7","4","7","1","3","1","3","1") = "6"
    & skf21("7","4","7","1","3","1","4","1") = "6"
    & skf21("7","4","7","1","3","1","5","1") = "6"
    & skf21("7","4","7","1","3","1","6","1") = "6"
    & skf21("7","4","7","1","3","1","7","1") = "6"
    & skf21("7","4","7","1","3","2","1","1") = "6"
    & skf21("7","4","7","1","3","2","2","1") = "6"
    & skf21("7","4","7","1","3","2","3","1") = "6"
    & skf21("7","4","7","1","3","2","4","1") = "6"
    & skf21("7","4","7","1","3","2","5","1") = "6"
    & skf21("7","4","7","1","3","2","6","1") = "6"
    & skf21("7","4","7","1","3","2","7","1") = "6"
    & skf21("7","4","7","1","3","3","1","1") = "6"
    & skf21("7","4","7","1","3","3","2","1") = "6"
    & skf21("7","4","7","1","3","3","3","1") = "6"
    & skf21("7","4","7","1","3","3","4","1") = "6"
    & skf21("7","4","7","1","3","3","5","1") = "6"
    & skf21("7","4","7","1","3","3","6","1") = "6"
    & skf21("7","4","7","1","3","3","7","1") = "6"
    & skf21("7","4","7","1","3","4","1","1") = "6"
    & skf21("7","4","7","1","3","4","2","1") = "6"
    & skf21("7","4","7","1","3","4","3","1") = "6"
    & skf21("7","4","7","1","3","4","4","1") = "6"
    & skf21("7","4","7","1","3","4","5","1") = "6"
    & skf21("7","4","7","1","3","4","6","1") = "6"
    & skf21("7","4","7","1","3","4","7","1") = "6"
    & skf21("7","4","7","1","3","5","1","1") = "6"
    & skf21("7","4","7","1","3","5","2","1") = "6"
    & skf21("7","4","7","1","3","5","3","1") = "6"
    & skf21("7","4","7","1","3","5","4","1") = "6"
    & skf21("7","4","7","1","3","5","5","1") = "6"
    & skf21("7","4","7","1","3","5","6","1") = "6"
    & skf21("7","4","7","1","3","5","7","1") = "6"
    & skf21("7","4","7","1","3","6","1","1") = "6"
    & skf21("7","4","7","1","3","6","2","1") = "6"
    & skf21("7","4","7","1","3","6","3","1") = "6"
    & skf21("7","4","7","1","3","6","4","1") = "6"
    & skf21("7","4","7","1","3","6","5","1") = "6"
    & skf21("7","4","7","1","3","6","6","1") = "6"
    & skf21("7","4","7","1","3","6","7","1") = "6"
    & skf21("7","4","7","1","3","7","1","1") = "6"
    & skf21("7","4","7","1","3","7","2","1") = "6"
    & skf21("7","4","7","1","3","7","3","1") = "6"
    & skf21("7","4","7","1","3","7","4","1") = "6"
    & skf21("7","4","7","1","3","7","5","1") = "6"
    & skf21("7","4","7","1","3","7","6","1") = "6"
    & skf21("7","4","7","1","3","7","7","1") = "6"
    & skf21("7","4","7","1","4","1","1","1") = "6"
    & skf21("7","4","7","1","4","1","2","1") = "6"
    & skf21("7","4","7","1","4","1","3","1") = "6"
    & skf21("7","4","7","1","4","1","4","1") = "6"
    & skf21("7","4","7","1","4","1","5","1") = "6"
    & skf21("7","4","7","1","4","1","6","1") = "6"
    & skf21("7","4","7","1","4","1","7","1") = "6"
    & skf21("7","4","7","1","4","2","1","1") = "6"
    & skf21("7","4","7","1","4","2","2","1") = "6"
    & skf21("7","4","7","1","4","2","3","1") = "6"
    & skf21("7","4","7","1","4","2","4","1") = "6"
    & skf21("7","4","7","1","4","2","5","1") = "6"
    & skf21("7","4","7","1","4","2","6","1") = "6"
    & skf21("7","4","7","1","4","2","7","1") = "6"
    & skf21("7","4","7","1","4","3","1","1") = "6"
    & skf21("7","4","7","1","4","3","2","1") = "6"
    & skf21("7","4","7","1","4","3","3","1") = "6"
    & skf21("7","4","7","1","4","3","4","1") = "6"
    & skf21("7","4","7","1","4","3","5","1") = "6"
    & skf21("7","4","7","1","4","3","6","1") = "6"
    & skf21("7","4","7","1","4","3","7","1") = "6"
    & skf21("7","4","7","1","4","4","1","1") = "6"
    & skf21("7","4","7","1","4","4","2","1") = "6"
    & skf21("7","4","7","1","4","4","3","1") = "6"
    & skf21("7","4","7","1","4","4","4","1") = "6"
    & skf21("7","4","7","1","4","4","5","1") = "6"
    & skf21("7","4","7","1","4","4","6","1") = "6"
    & skf21("7","4","7","1","4","4","7","1") = "6"
    & skf21("7","4","7","1","4","5","1","1") = "6"
    & skf21("7","4","7","1","4","5","2","1") = "6"
    & skf21("7","4","7","1","4","5","3","1") = "6"
    & skf21("7","4","7","1","4","5","4","1") = "6"
    & skf21("7","4","7","1","4","5","5","1") = "6"
    & skf21("7","4","7","1","4","5","6","1") = "6"
    & skf21("7","4","7","1","4","5","7","1") = "6"
    & skf21("7","4","7","1","4","6","1","1") = "6"
    & skf21("7","4","7","1","4","6","2","1") = "6"
    & skf21("7","4","7","1","4","6","3","1") = "6"
    & skf21("7","4","7","1","4","6","4","1") = "6"
    & skf21("7","4","7","1","4","6","5","1") = "6"
    & skf21("7","4","7","1","4","6","6","1") = "6"
    & skf21("7","4","7","1","4","6","7","1") = "6"
    & skf21("7","4","7","1","4","7","1","1") = "6"
    & skf21("7","4","7","1","4","7","2","1") = "6"
    & skf21("7","4","7","1","4","7","3","1") = "6"
    & skf21("7","4","7","1","4","7","4","1") = "6"
    & skf21("7","4","7","1","4","7","5","1") = "6"
    & skf21("7","4","7","1","4","7","6","1") = "6"
    & skf21("7","4","7","1","4","7","7","1") = "6"
    & skf21("7","4","7","1","5","1","1","1") = "6"
    & skf21("7","4","7","1","5","1","2","1") = "6"
    & skf21("7","4","7","1","5","1","3","1") = "6"
    & skf21("7","4","7","1","5","1","4","1") = "6"
    & skf21("7","4","7","1","5","1","5","1") = "6"
    & skf21("7","4","7","1","5","1","6","1") = "6"
    & skf21("7","4","7","1","5","1","7","1") = "6"
    & skf21("7","4","7","1","5","2","1","1") = "6"
    & skf21("7","4","7","1","5","2","2","1") = "6"
    & skf21("7","4","7","1","5","2","3","1") = "6"
    & skf21("7","4","7","1","5","2","4","1") = "6"
    & skf21("7","4","7","1","5","2","5","1") = "6"
    & skf21("7","4","7","1","5","2","6","1") = "6"
    & skf21("7","4","7","1","5","2","7","1") = "6"
    & skf21("7","4","7","1","5","3","1","1") = "6"
    & skf21("7","4","7","1","5","3","2","1") = "6"
    & skf21("7","4","7","1","5","3","3","1") = "6"
    & skf21("7","4","7","1","5","3","4","1") = "6"
    & skf21("7","4","7","1","5","3","5","1") = "6"
    & skf21("7","4","7","1","5","3","6","1") = "6"
    & skf21("7","4","7","1","5","3","7","1") = "6"
    & skf21("7","4","7","1","5","4","1","1") = "6"
    & skf21("7","4","7","1","5","4","2","1") = "6"
    & skf21("7","4","7","1","5","4","3","1") = "6"
    & skf21("7","4","7","1","5","4","4","1") = "6"
    & skf21("7","4","7","1","5","4","5","1") = "6"
    & skf21("7","4","7","1","5","4","6","1") = "6"
    & skf21("7","4","7","1","5","4","7","1") = "6"
    & skf21("7","4","7","1","5","5","1","1") = "6"
    & skf21("7","4","7","1","5","5","2","1") = "6"
    & skf21("7","4","7","1","5","5","3","1") = "6"
    & skf21("7","4","7","1","5","5","4","1") = "6"
    & skf21("7","4","7","1","5","5","5","1") = "6"
    & skf21("7","4","7","1","5","5","6","1") = "6"
    & skf21("7","4","7","1","5","5","7","1") = "6"
    & skf21("7","4","7","1","5","6","1","1") = "6"
    & skf21("7","4","7","1","5","6","2","1") = "6"
    & skf21("7","4","7","1","5","6","3","1") = "6"
    & skf21("7","4","7","1","5","6","4","1") = "6"
    & skf21("7","4","7","1","5","6","5","1") = "6"
    & skf21("7","4","7","1","5","6","6","1") = "6"
    & skf21("7","4","7","1","5","6","7","1") = "6"
    & skf21("7","4","7","1","5","7","1","1") = "6"
    & skf21("7","4","7","1","5","7","2","1") = "6"
    & skf21("7","4","7","1","5","7","3","1") = "6"
    & skf21("7","4","7","1","5","7","4","1") = "6"
    & skf21("7","4","7","1","5","7","5","1") = "6"
    & skf21("7","4","7","1","5","7","6","1") = "6"
    & skf21("7","4","7","1","5","7","7","1") = "6"
    & skf21("7","4","7","1","6","1","1","1") = "6"
    & skf21("7","4","7","1","6","1","2","1") = "6"
    & skf21("7","4","7","1","6","1","3","1") = "6"
    & skf21("7","4","7","1","6","1","4","1") = "6"
    & skf21("7","4","7","1","6","1","5","1") = "6"
    & skf21("7","4","7","1","6","1","6","1") = "6"
    & skf21("7","4","7","1","6","1","7","1") = "6"
    & skf21("7","4","7","1","6","2","1","1") = "6"
    & skf21("7","4","7","1","6","2","2","1") = "6"
    & skf21("7","4","7","1","6","2","3","1") = "6"
    & skf21("7","4","7","1","6","2","4","1") = "6"
    & skf21("7","4","7","1","6","2","5","1") = "6"
    & skf21("7","4","7","1","6","2","6","1") = "6"
    & skf21("7","4","7","1","6","2","7","1") = "6"
    & skf21("7","4","7","1","6","3","1","1") = "6"
    & skf21("7","4","7","1","6","3","2","1") = "6"
    & skf21("7","4","7","1","6","3","3","1") = "6"
    & skf21("7","4","7","1","6","3","4","1") = "6"
    & skf21("7","4","7","1","6","3","5","1") = "6"
    & skf21("7","4","7","1","6","3","6","1") = "6"
    & skf21("7","4","7","1","6","3","7","1") = "6"
    & skf21("7","4","7","1","6","4","1","1") = "6"
    & skf21("7","4","7","1","6","4","2","1") = "6"
    & skf21("7","4","7","1","6","4","3","1") = "6"
    & skf21("7","4","7","1","6","4","4","1") = "6"
    & skf21("7","4","7","1","6","4","5","1") = "6"
    & skf21("7","4","7","1","6","4","6","1") = "6"
    & skf21("7","4","7","1","6","4","7","1") = "6"
    & skf21("7","4","7","1","6","5","1","1") = "6"
    & skf21("7","4","7","1","6","5","2","1") = "6"
    & skf21("7","4","7","1","6","5","3","1") = "6"
    & skf21("7","4","7","1","6","5","4","1") = "6"
    & skf21("7","4","7","1","6","5","5","1") = "6"
    & skf21("7","4","7","1","6","5","6","1") = "6"
    & skf21("7","4","7","1","6","5","7","1") = "6"
    & skf21("7","4","7","1","6","6","1","1") = "6"
    & skf21("7","4","7","1","6","6","2","1") = "6"
    & skf21("7","4","7","1","6","6","3","1") = "6"
    & skf21("7","4","7","1","6","6","4","1") = "6"
    & skf21("7","4","7","1","6","6","5","1") = "6"
    & skf21("7","4","7","1","6","6","6","1") = "6"
    & skf21("7","4","7","1","6","6","7","1") = "6"
    & skf21("7","4","7","1","6","7","1","1") = "6"
    & skf21("7","4","7","1","6","7","2","1") = "6"
    & skf21("7","4","7","1","6","7","3","1") = "6"
    & skf21("7","4","7","1","6","7","4","1") = "6"
    & skf21("7","4","7","1","6","7","5","1") = "6"
    & skf21("7","4","7","1","6","7","6","1") = "6"
    & skf21("7","4","7","1","6","7","7","1") = "6"
    & skf21("7","4","7","1","7","1","1","1") = "6"
    & skf21("7","4","7","1","7","1","2","1") = "6"
    & skf21("7","4","7","1","7","1","3","1") = "6"
    & skf21("7","4","7","1","7","1","4","1") = "6"
    & skf21("7","4","7","1","7","1","5","1") = "6"
    & skf21("7","4","7","1","7","1","6","1") = "6"
    & skf21("7","4","7","1","7","1","7","1") = "6"
    & skf21("7","4","7","1","7","2","1","1") = "6"
    & skf21("7","4","7","1","7","2","2","1") = "6"
    & skf21("7","4","7","1","7","2","3","1") = "6"
    & skf21("7","4","7","1","7","2","4","1") = "6"
    & skf21("7","4","7","1","7","2","5","1") = "6"
    & skf21("7","4","7","1","7","2","6","1") = "6"
    & skf21("7","4","7","1","7","2","7","1") = "6"
    & skf21("7","4","7","1","7","3","1","1") = "6"
    & skf21("7","4","7","1","7","3","2","1") = "6"
    & skf21("7","4","7","1","7","3","3","1") = "6"
    & skf21("7","4","7","1","7","3","4","1") = "6"
    & skf21("7","4","7","1","7","3","5","1") = "6"
    & skf21("7","4","7","1","7","3","6","1") = "6"
    & skf21("7","4","7","1","7","3","7","1") = "6"
    & skf21("7","4","7","1","7","4","1","1") = "6"
    & skf21("7","4","7","1","7","4","2","1") = "6"
    & skf21("7","4","7","1","7","4","3","1") = "6"
    & skf21("7","4","7","1","7","4","4","1") = "6"
    & skf21("7","4","7","1","7","4","5","1") = "6"
    & skf21("7","4","7","1","7","4","6","1") = "6"
    & skf21("7","4","7","1","7","4","7","1") = "6"
    & skf21("7","4","7","1","7","5","1","1") = "6"
    & skf21("7","4","7","1","7","5","2","1") = "6"
    & skf21("7","4","7","1","7","5","3","1") = "6"
    & skf21("7","4","7","1","7","5","4","1") = "6"
    & skf21("7","4","7","1","7","5","5","1") = "6"
    & skf21("7","4","7","1","7","5","6","1") = "6"
    & skf21("7","4","7","1","7","5","7","1") = "6"
    & skf21("7","4","7","1","7","6","1","1") = "6"
    & skf21("7","4","7","1","7","6","2","1") = "6"
    & skf21("7","4","7","1","7","6","3","1") = "6"
    & skf21("7","4","7","1","7","6","4","1") = "6"
    & skf21("7","4","7","1","7","6","5","1") = "6"
    & skf21("7","4","7","1","7","6","6","1") = "6"
    & skf21("7","4","7","1","7","6","7","1") = "6"
    & skf21("7","4","7","1","7","7","1","1") = "6"
    & skf21("7","4","7","1","7","7","2","1") = "6"
    & skf21("7","4","7","1","7","7","3","1") = "6"
    & skf21("7","4","7","1","7","7","4","1") = "6"
    & skf21("7","4","7","1","7","7","5","1") = "6"
    & skf21("7","4","7","1","7","7","6","1") = "6"
    & skf21("7","4","7","1","7","7","7","1") = "6"
    & skf21("7","4","7","2","1","1","1","1") = "6"
    & skf21("7","4","7","2","1","1","2","1") = "6"
    & skf21("7","4","7","2","1","1","3","1") = "6"
    & skf21("7","4","7","2","1","1","4","1") = "6"
    & skf21("7","4","7","2","1","1","5","1") = "6"
    & skf21("7","4","7","2","1","1","6","1") = "6"
    & skf21("7","4","7","2","1","1","7","1") = "6"
    & skf21("7","4","7","2","1","2","1","1") = "6"
    & skf21("7","4","7","2","1","2","2","1") = "6"
    & skf21("7","4","7","2","1","2","3","1") = "6"
    & skf21("7","4","7","2","1","2","4","1") = "6"
    & skf21("7","4","7","2","1","2","5","1") = "6"
    & skf21("7","4","7","2","1","2","6","1") = "6"
    & skf21("7","4","7","2","1","2","7","1") = "6"
    & skf21("7","4","7","2","1","3","1","1") = "6"
    & skf21("7","4","7","2","1","3","2","1") = "6"
    & skf21("7","4","7","2","1","3","3","1") = "6"
    & skf21("7","4","7","2","1","3","4","1") = "6"
    & skf21("7","4","7","2","1","3","5","1") = "6"
    & skf21("7","4","7","2","1","3","6","1") = "6"
    & skf21("7","4","7","2","1","3","7","1") = "6"
    & skf21("7","4","7","2","1","4","1","1") = "6"
    & skf21("7","4","7","2","1","4","2","1") = "6"
    & skf21("7","4","7","2","1","4","3","1") = "6"
    & skf21("7","4","7","2","1","4","4","1") = "6"
    & skf21("7","4","7","2","1","4","5","1") = "6"
    & skf21("7","4","7","2","1","4","6","1") = "6"
    & skf21("7","4","7","2","1","4","7","1") = "6"
    & skf21("7","4","7","2","1","5","1","1") = "6"
    & skf21("7","4","7","2","1","5","2","1") = "6"
    & skf21("7","4","7","2","1","5","3","1") = "6"
    & skf21("7","4","7","2","1","5","4","1") = "6"
    & skf21("7","4","7","2","1","5","5","1") = "6"
    & skf21("7","4","7","2","1","5","6","1") = "6"
    & skf21("7","4","7","2","1","5","7","1") = "6"
    & skf21("7","4","7","2","1","6","1","1") = "6"
    & skf21("7","4","7","2","1","6","2","1") = "6"
    & skf21("7","4","7","2","1","6","3","1") = "6"
    & skf21("7","4","7","2","1","6","4","1") = "6"
    & skf21("7","4","7","2","1","6","5","1") = "6"
    & skf21("7","4","7","2","1","6","6","1") = "6"
    & skf21("7","4","7","2","1","6","7","1") = "6"
    & skf21("7","4","7","2","1","7","1","1") = "6"
    & skf21("7","4","7","2","1","7","2","1") = "6"
    & skf21("7","4","7","2","1","7","3","1") = "6"
    & skf21("7","4","7","2","1","7","4","1") = "6"
    & skf21("7","4","7","2","1","7","5","1") = "6"
    & skf21("7","4","7","2","1","7","6","1") = "6"
    & skf21("7","4","7","2","1","7","7","1") = "6"
    & skf21("7","4","7","2","2","1","1","1") = "6"
    & skf21("7","4","7","2","2","1","2","1") = "6"
    & skf21("7","4","7","2","2","1","3","1") = "6"
    & skf21("7","4","7","2","2","1","4","1") = "6"
    & skf21("7","4","7","2","2","1","5","1") = "6"
    & skf21("7","4","7","2","2","1","6","1") = "6"
    & skf21("7","4","7","2","2","1","7","1") = "6"
    & skf21("7","4","7","2","2","2","1","1") = "6"
    & skf21("7","4","7","2","2","2","2","1") = "6"
    & skf21("7","4","7","2","2","2","3","1") = "6"
    & skf21("7","4","7","2","2","2","4","1") = "6"
    & skf21("7","4","7","2","2","2","5","1") = "6"
    & skf21("7","4","7","2","2","2","6","1") = "6"
    & skf21("7","4","7","2","2","2","7","1") = "6"
    & skf21("7","4","7","2","2","3","1","1") = "6"
    & skf21("7","4","7","2","2","3","2","1") = "6"
    & skf21("7","4","7","2","2","3","3","1") = "6"
    & skf21("7","4","7","2","2","3","4","1") = "6"
    & skf21("7","4","7","2","2","3","5","1") = "6"
    & skf21("7","4","7","2","2","3","6","1") = "6"
    & skf21("7","4","7","2","2","3","7","1") = "6"
    & skf21("7","4","7","2","2","4","1","1") = "6"
    & skf21("7","4","7","2","2","4","2","1") = "6"
    & skf21("7","4","7","2","2","4","3","1") = "6"
    & skf21("7","4","7","2","2","4","4","1") = "6"
    & skf21("7","4","7","2","2","4","5","1") = "6"
    & skf21("7","4","7","2","2","4","6","1") = "6"
    & skf21("7","4","7","2","2","4","7","1") = "6"
    & skf21("7","4","7","2","2","5","1","1") = "6"
    & skf21("7","4","7","2","2","5","2","1") = "6"
    & skf21("7","4","7","2","2","5","3","1") = "6"
    & skf21("7","4","7","2","2","5","4","1") = "6"
    & skf21("7","4","7","2","2","5","5","1") = "6"
    & skf21("7","4","7","2","2","5","6","1") = "6"
    & skf21("7","4","7","2","2","5","7","1") = "6"
    & skf21("7","4","7","2","2","6","1","1") = "6"
    & skf21("7","4","7","2","2","6","2","1") = "6"
    & skf21("7","4","7","2","2","6","3","1") = "6"
    & skf21("7","4","7","2","2","6","4","1") = "6"
    & skf21("7","4","7","2","2","6","5","1") = "6"
    & skf21("7","4","7","2","2","6","6","1") = "6"
    & skf21("7","4","7","2","2","6","7","1") = "6"
    & skf21("7","4","7","2","2","7","1","1") = "6"
    & skf21("7","4","7","2","2","7","2","1") = "6"
    & skf21("7","4","7","2","2","7","3","1") = "6"
    & skf21("7","4","7","2","2","7","4","1") = "6"
    & skf21("7","4","7","2","2","7","5","1") = "6"
    & skf21("7","4","7","2","2","7","6","1") = "6"
    & skf21("7","4","7","2","2","7","7","1") = "6"
    & skf21("7","4","7","2","3","1","1","1") = "6"
    & skf21("7","4","7","2","3","1","2","1") = "6"
    & skf21("7","4","7","2","3","1","3","1") = "6"
    & skf21("7","4","7","2","3","1","4","1") = "6"
    & skf21("7","4","7","2","3","1","5","1") = "6"
    & skf21("7","4","7","2","3","1","6","1") = "6"
    & skf21("7","4","7","2","3","1","7","1") = "6"
    & skf21("7","4","7","2","3","2","1","1") = "6"
    & skf21("7","4","7","2","3","2","2","1") = "6"
    & skf21("7","4","7","2","3","2","3","1") = "6"
    & skf21("7","4","7","2","3","2","4","1") = "6"
    & skf21("7","4","7","2","3","2","5","1") = "6"
    & skf21("7","4","7","2","3","2","6","1") = "6"
    & skf21("7","4","7","2","3","2","7","1") = "6"
    & skf21("7","4","7","2","3","3","1","1") = "6"
    & skf21("7","4","7","2","3","3","2","1") = "6"
    & skf21("7","4","7","2","3","3","3","1") = "6"
    & skf21("7","4","7","2","3","3","4","1") = "6"
    & skf21("7","4","7","2","3","3","5","1") = "6"
    & skf21("7","4","7","2","3","3","6","1") = "6"
    & skf21("7","4","7","2","3","3","7","1") = "6"
    & skf21("7","4","7","2","3","4","1","1") = "6"
    & skf21("7","4","7","2","3","4","2","1") = "6"
    & skf21("7","4","7","2","3","4","3","1") = "6"
    & skf21("7","4","7","2","3","4","4","1") = "6"
    & skf21("7","4","7","2","3","4","5","1") = "6"
    & skf21("7","4","7","2","3","4","6","1") = "6"
    & skf21("7","4","7","2","3","4","7","1") = "6"
    & skf21("7","4","7","2","3","5","1","1") = "6"
    & skf21("7","4","7","2","3","5","2","1") = "6"
    & skf21("7","4","7","2","3","5","3","1") = "6"
    & skf21("7","4","7","2","3","5","4","1") = "6"
    & skf21("7","4","7","2","3","5","5","1") = "6"
    & skf21("7","4","7","2","3","5","6","1") = "6"
    & skf21("7","4","7","2","3","5","7","1") = "6"
    & skf21("7","4","7","2","3","6","1","1") = "6"
    & skf21("7","4","7","2","3","6","2","1") = "6"
    & skf21("7","4","7","2","3","6","3","1") = "6"
    & skf21("7","4","7","2","3","6","4","1") = "6"
    & skf21("7","4","7","2","3","6","5","1") = "6"
    & skf21("7","4","7","2","3","6","6","1") = "6"
    & skf21("7","4","7","2","3","6","7","1") = "6"
    & skf21("7","4","7","2","3","7","1","1") = "6"
    & skf21("7","4","7","2","3","7","2","1") = "6"
    & skf21("7","4","7","2","3","7","3","1") = "6"
    & skf21("7","4","7","2","3","7","4","1") = "6"
    & skf21("7","4","7","2","3","7","5","1") = "6"
    & skf21("7","4","7","2","3","7","6","1") = "6"
    & skf21("7","4","7","2","3","7","7","1") = "6"
    & skf21("7","4","7","2","4","1","1","1") = "6"
    & skf21("7","4","7","2","4","1","2","1") = "6"
    & skf21("7","4","7","2","4","1","3","1") = "6"
    & skf21("7","4","7","2","4","1","4","1") = "6"
    & skf21("7","4","7","2","4","1","5","1") = "6"
    & skf21("7","4","7","2","4","1","6","1") = "6"
    & skf21("7","4","7","2","4","1","7","1") = "6"
    & skf21("7","4","7","2","4","2","1","1") = "6"
    & skf21("7","4","7","2","4","2","2","1") = "6"
    & skf21("7","4","7","2","4","2","3","1") = "6"
    & skf21("7","4","7","2","4","2","4","1") = "6"
    & skf21("7","4","7","2","4","2","5","1") = "6"
    & skf21("7","4","7","2","4","2","6","1") = "6"
    & skf21("7","4","7","2","4","2","7","1") = "6"
    & skf21("7","4","7","2","4","3","1","1") = "6"
    & skf21("7","4","7","2","4","3","2","1") = "6"
    & skf21("7","4","7","2","4","3","3","1") = "6"
    & skf21("7","4","7","2","4","3","4","1") = "6"
    & skf21("7","4","7","2","4","3","5","1") = "6"
    & skf21("7","4","7","2","4","3","6","1") = "6"
    & skf21("7","4","7","2","4","3","7","1") = "6"
    & skf21("7","4","7","2","4","4","1","1") = "6"
    & skf21("7","4","7","2","4","4","2","1") = "6"
    & skf21("7","4","7","2","4","4","3","1") = "6"
    & skf21("7","4","7","2","4","4","4","1") = "6"
    & skf21("7","4","7","2","4","4","5","1") = "6"
    & skf21("7","4","7","2","4","4","6","1") = "6"
    & skf21("7","4","7","2","4","4","7","1") = "6"
    & skf21("7","4","7","2","4","5","1","1") = "6"
    & skf21("7","4","7","2","4","5","2","1") = "6"
    & skf21("7","4","7","2","4","5","3","1") = "6"
    & skf21("7","4","7","2","4","5","4","1") = "6"
    & skf21("7","4","7","2","4","5","5","1") = "6"
    & skf21("7","4","7","2","4","5","6","1") = "6"
    & skf21("7","4","7","2","4","5","7","1") = "6"
    & skf21("7","4","7","2","4","6","1","1") = "6"
    & skf21("7","4","7","2","4","6","2","1") = "6"
    & skf21("7","4","7","2","4","6","3","1") = "6"
    & skf21("7","4","7","2","4","6","4","1") = "6"
    & skf21("7","4","7","2","4","6","5","1") = "6"
    & skf21("7","4","7","2","4","6","6","1") = "6"
    & skf21("7","4","7","2","4","6","7","1") = "6"
    & skf21("7","4","7","2","4","7","1","1") = "6"
    & skf21("7","4","7","2","4","7","2","1") = "6"
    & skf21("7","4","7","2","4","7","3","1") = "6"
    & skf21("7","4","7","2","4","7","4","1") = "6"
    & skf21("7","4","7","2","4","7","5","1") = "6"
    & skf21("7","4","7","2","4","7","6","1") = "6"
    & skf21("7","4","7","2","4","7","7","1") = "6"
    & skf21("7","4","7","2","5","1","1","1") = "6"
    & skf21("7","4","7","2","5","1","2","1") = "6"
    & skf21("7","4","7","2","5","1","3","1") = "6"
    & skf21("7","4","7","2","5","1","4","1") = "6"
    & skf21("7","4","7","2","5","1","5","1") = "6"
    & skf21("7","4","7","2","5","1","6","1") = "6"
    & skf21("7","4","7","2","5","1","7","1") = "6"
    & skf21("7","4","7","2","5","2","1","1") = "6"
    & skf21("7","4","7","2","5","2","2","1") = "6"
    & skf21("7","4","7","2","5","2","3","1") = "6"
    & skf21("7","4","7","2","5","2","4","1") = "6"
    & skf21("7","4","7","2","5","2","5","1") = "6"
    & skf21("7","4","7","2","5","2","6","1") = "6"
    & skf21("7","4","7","2","5","2","7","1") = "6"
    & skf21("7","4","7","2","5","3","1","1") = "6"
    & skf21("7","4","7","2","5","3","2","1") = "6"
    & skf21("7","4","7","2","5","3","3","1") = "6"
    & skf21("7","4","7","2","5","3","4","1") = "6"
    & skf21("7","4","7","2","5","3","5","1") = "6"
    & skf21("7","4","7","2","5","3","6","1") = "6"
    & skf21("7","4","7","2","5","3","7","1") = "6"
    & skf21("7","4","7","2","5","4","1","1") = "6"
    & skf21("7","4","7","2","5","4","2","1") = "6"
    & skf21("7","4","7","2","5","4","3","1") = "6"
    & skf21("7","4","7","2","5","4","4","1") = "6"
    & skf21("7","4","7","2","5","4","5","1") = "6"
    & skf21("7","4","7","2","5","4","6","1") = "6"
    & skf21("7","4","7","2","5","4","7","1") = "6"
    & skf21("7","4","7","2","5","5","1","1") = "6"
    & skf21("7","4","7","2","5","5","2","1") = "6"
    & skf21("7","4","7","2","5","5","3","1") = "6"
    & skf21("7","4","7","2","5","5","4","1") = "6"
    & skf21("7","4","7","2","5","5","5","1") = "6"
    & skf21("7","4","7","2","5","5","6","1") = "6"
    & skf21("7","4","7","2","5","5","7","1") = "6"
    & skf21("7","4","7","2","5","6","1","1") = "6"
    & skf21("7","4","7","2","5","6","2","1") = "6"
    & skf21("7","4","7","2","5","6","3","1") = "6"
    & skf21("7","4","7","2","5","6","4","1") = "6"
    & skf21("7","4","7","2","5","6","5","1") = "6"
    & skf21("7","4","7","2","5","6","6","1") = "6"
    & skf21("7","4","7","2","5","6","7","1") = "6"
    & skf21("7","4","7","2","5","7","1","1") = "6"
    & skf21("7","4","7","2","5","7","2","1") = "6"
    & skf21("7","4","7","2","5","7","3","1") = "6"
    & skf21("7","4","7","2","5","7","4","1") = "6"
    & skf21("7","4","7","2","5","7","5","1") = "6"
    & skf21("7","4","7","2","5","7","6","1") = "6"
    & skf21("7","4","7","2","5","7","7","1") = "6"
    & skf21("7","4","7","2","6","1","1","1") = "6"
    & skf21("7","4","7","2","6","1","2","1") = "6"
    & skf21("7","4","7","2","6","1","3","1") = "6"
    & skf21("7","4","7","2","6","1","4","1") = "6"
    & skf21("7","4","7","2","6","1","5","1") = "6"
    & skf21("7","4","7","2","6","1","6","1") = "6"
    & skf21("7","4","7","2","6","1","7","1") = "6"
    & skf21("7","4","7","2","6","2","1","1") = "6"
    & skf21("7","4","7","2","6","2","2","1") = "6"
    & skf21("7","4","7","2","6","2","3","1") = "6"
    & skf21("7","4","7","2","6","2","4","1") = "6"
    & skf21("7","4","7","2","6","2","5","1") = "6"
    & skf21("7","4","7","2","6","2","6","1") = "6"
    & skf21("7","4","7","2","6","2","7","1") = "6"
    & skf21("7","4","7","2","6","3","1","1") = "6"
    & skf21("7","4","7","2","6","3","2","1") = "6"
    & skf21("7","4","7","2","6","3","3","1") = "6"
    & skf21("7","4","7","2","6","3","4","1") = "6"
    & skf21("7","4","7","2","6","3","5","1") = "6"
    & skf21("7","4","7","2","6","3","6","1") = "6"
    & skf21("7","4","7","2","6","3","7","1") = "6"
    & skf21("7","4","7","2","6","4","1","1") = "6"
    & skf21("7","4","7","2","6","4","2","1") = "6"
    & skf21("7","4","7","2","6","4","3","1") = "6"
    & skf21("7","4","7","2","6","4","4","1") = "6"
    & skf21("7","4","7","2","6","4","5","1") = "6"
    & skf21("7","4","7","2","6","4","6","1") = "6"
    & skf21("7","4","7","2","6","4","7","1") = "6"
    & skf21("7","4","7","2","6","5","1","1") = "6"
    & skf21("7","4","7","2","6","5","2","1") = "6"
    & skf21("7","4","7","2","6","5","3","1") = "6"
    & skf21("7","4","7","2","6","5","4","1") = "6"
    & skf21("7","4","7","2","6","5","5","1") = "6"
    & skf21("7","4","7","2","6","5","6","1") = "6"
    & skf21("7","4","7","2","6","5","7","1") = "6"
    & skf21("7","4","7","2","6","6","1","1") = "6"
    & skf21("7","4","7","2","6","6","2","1") = "6"
    & skf21("7","4","7","2","6","6","3","1") = "6"
    & skf21("7","4","7","2","6","6","4","1") = "6"
    & skf21("7","4","7","2","6","6","5","1") = "6"
    & skf21("7","4","7","2","6","6","6","1") = "6"
    & skf21("7","4","7","2","6","6","7","1") = "6"
    & skf21("7","4","7","2","6","7","1","1") = "6"
    & skf21("7","4","7","2","6","7","2","1") = "6"
    & skf21("7","4","7","2","6","7","3","1") = "6"
    & skf21("7","4","7","2","6","7","4","1") = "6"
    & skf21("7","4","7","2","6","7","5","1") = "6"
    & skf21("7","4","7","2","6","7","6","1") = "6"
    & skf21("7","4","7","2","6","7","7","1") = "6"
    & skf21("7","4","7","2","7","1","1","1") = "6"
    & skf21("7","4","7","2","7","1","2","1") = "6"
    & skf21("7","4","7","2","7","1","3","1") = "6"
    & skf21("7","4","7","2","7","1","4","1") = "6"
    & skf21("7","4","7","2","7","1","5","1") = "6"
    & skf21("7","4","7","2","7","1","6","1") = "6"
    & skf21("7","4","7","2","7","1","7","1") = "6"
    & skf21("7","4","7","2","7","2","1","1") = "6"
    & skf21("7","4","7","2","7","2","2","1") = "6"
    & skf21("7","4","7","2","7","2","3","1") = "6"
    & skf21("7","4","7","2","7","2","4","1") = "6"
    & skf21("7","4","7","2","7","2","5","1") = "6"
    & skf21("7","4","7","2","7","2","6","1") = "6"
    & skf21("7","4","7","2","7","2","7","1") = "6"
    & skf21("7","4","7","2","7","3","1","1") = "6"
    & skf21("7","4","7","2","7","3","2","1") = "6"
    & skf21("7","4","7","2","7","3","3","1") = "6"
    & skf21("7","4","7","2","7","3","4","1") = "6"
    & skf21("7","4","7","2","7","3","5","1") = "6"
    & skf21("7","4","7","2","7","3","6","1") = "6"
    & skf21("7","4","7","2","7","3","7","1") = "6"
    & skf21("7","4","7","2","7","4","1","1") = "6"
    & skf21("7","4","7","2","7","4","2","1") = "6"
    & skf21("7","4","7","2","7","4","3","1") = "6"
    & skf21("7","4","7","2","7","4","4","1") = "6"
    & skf21("7","4","7","2","7","4","5","1") = "6"
    & skf21("7","4","7","2","7","4","6","1") = "6"
    & skf21("7","4","7","2","7","4","7","1") = "6"
    & skf21("7","4","7","2","7","5","1","1") = "6"
    & skf21("7","4","7","2","7","5","2","1") = "6"
    & skf21("7","4","7","2","7","5","3","1") = "6"
    & skf21("7","4","7","2","7","5","4","1") = "6"
    & skf21("7","4","7","2","7","5","5","1") = "6"
    & skf21("7","4","7","2","7","5","6","1") = "6"
    & skf21("7","4","7","2","7","5","7","1") = "6"
    & skf21("7","4","7","2","7","6","1","1") = "6"
    & skf21("7","4","7","2","7","6","2","1") = "6"
    & skf21("7","4","7","2","7","6","3","1") = "6"
    & skf21("7","4","7","2","7","6","4","1") = "6"
    & skf21("7","4","7","2","7","6","5","1") = "6"
    & skf21("7","4","7","2","7","6","6","1") = "6"
    & skf21("7","4","7","2","7","6","7","1") = "6"
    & skf21("7","4","7","2","7","7","1","1") = "6"
    & skf21("7","4","7","2","7","7","2","1") = "6"
    & skf21("7","4","7","2","7","7","3","1") = "6"
    & skf21("7","4","7","2","7","7","4","1") = "6"
    & skf21("7","4","7","2","7","7","5","1") = "6"
    & skf21("7","4","7","2","7","7","6","1") = "6"
    & skf21("7","4","7","2","7","7","7","1") = "6"
    & skf21("7","4","7","3","1","1","1","1") = "6"
    & skf21("7","4","7","3","1","1","2","1") = "6"
    & skf21("7","4","7","3","1","1","3","1") = "6"
    & skf21("7","4","7","3","1","1","4","1") = "6"
    & skf21("7","4","7","3","1","1","5","1") = "6"
    & skf21("7","4","7","3","1","1","6","1") = "6"
    & skf21("7","4","7","3","1","1","7","1") = "6"
    & skf21("7","4","7","3","1","2","1","1") = "6"
    & skf21("7","4","7","3","1","2","2","1") = "6"
    & skf21("7","4","7","3","1","2","3","1") = "6"
    & skf21("7","4","7","3","1","2","4","1") = "6"
    & skf21("7","4","7","3","1","2","5","1") = "6"
    & skf21("7","4","7","3","1","2","6","1") = "6"
    & skf21("7","4","7","3","1","2","7","1") = "6"
    & skf21("7","4","7","3","1","3","1","1") = "6"
    & skf21("7","4","7","3","1","3","2","1") = "6"
    & skf21("7","4","7","3","1","3","3","1") = "6"
    & skf21("7","4","7","3","1","3","4","1") = "6"
    & skf21("7","4","7","3","1","3","5","1") = "6"
    & skf21("7","4","7","3","1","3","6","1") = "6"
    & skf21("7","4","7","3","1","3","7","1") = "6"
    & skf21("7","4","7","3","1","4","1","1") = "6"
    & skf21("7","4","7","3","1","4","2","1") = "6"
    & skf21("7","4","7","3","1","4","3","1") = "6"
    & skf21("7","4","7","3","1","4","4","1") = "6"
    & skf21("7","4","7","3","1","4","5","1") = "6"
    & skf21("7","4","7","3","1","4","6","1") = "6"
    & skf21("7","4","7","3","1","4","7","1") = "6"
    & skf21("7","4","7","3","1","5","1","1") = "6"
    & skf21("7","4","7","3","1","5","2","1") = "6"
    & skf21("7","4","7","3","1","5","3","1") = "6"
    & skf21("7","4","7","3","1","5","4","1") = "6"
    & skf21("7","4","7","3","1","5","5","1") = "6"
    & skf21("7","4","7","3","1","5","6","1") = "6"
    & skf21("7","4","7","3","1","5","7","1") = "6"
    & skf21("7","4","7","3","1","6","1","1") = "6"
    & skf21("7","4","7","3","1","6","2","1") = "6"
    & skf21("7","4","7","3","1","6","3","1") = "6"
    & skf21("7","4","7","3","1","6","4","1") = "6"
    & skf21("7","4","7","3","1","6","5","1") = "6"
    & skf21("7","4","7","3","1","6","6","1") = "6"
    & skf21("7","4","7","3","1","6","7","1") = "6"
    & skf21("7","4","7","3","1","7","1","1") = "6"
    & skf21("7","4","7","3","1","7","2","1") = "6"
    & skf21("7","4","7","3","1","7","3","1") = "6"
    & skf21("7","4","7","3","1","7","4","1") = "6"
    & skf21("7","4","7","3","1","7","5","1") = "6"
    & skf21("7","4","7","3","1","7","6","1") = "6"
    & skf21("7","4","7","3","1","7","7","1") = "6"
    & skf21("7","4","7","3","2","1","1","1") = "6"
    & skf21("7","4","7","3","2","1","2","1") = "6"
    & skf21("7","4","7","3","2","1","3","1") = "6"
    & skf21("7","4","7","3","2","1","4","1") = "6"
    & skf21("7","4","7","3","2","1","5","1") = "6"
    & skf21("7","4","7","3","2","1","6","1") = "6"
    & skf21("7","4","7","3","2","1","7","1") = "6"
    & skf21("7","4","7","3","2","2","1","1") = "6"
    & skf21("7","4","7","3","2","2","2","1") = "6"
    & skf21("7","4","7","3","2","2","3","1") = "6"
    & skf21("7","4","7","3","2","2","4","1") = "6"
    & skf21("7","4","7","3","2","2","5","1") = "6"
    & skf21("7","4","7","3","2","2","6","1") = "6"
    & skf21("7","4","7","3","2","2","7","1") = "6"
    & skf21("7","4","7","3","2","3","1","1") = "6"
    & skf21("7","4","7","3","2","3","2","1") = "6"
    & skf21("7","4","7","3","2","3","3","1") = "6"
    & skf21("7","4","7","3","2","3","4","1") = "6"
    & skf21("7","4","7","3","2","3","5","1") = "6"
    & skf21("7","4","7","3","2","3","6","1") = "6"
    & skf21("7","4","7","3","2","3","7","1") = "6"
    & skf21("7","4","7","3","2","4","1","1") = "6"
    & skf21("7","4","7","3","2","4","2","1") = "6"
    & skf21("7","4","7","3","2","4","3","1") = "6"
    & skf21("7","4","7","3","2","4","4","1") = "6"
    & skf21("7","4","7","3","2","4","5","1") = "6"
    & skf21("7","4","7","3","2","4","6","1") = "6"
    & skf21("7","4","7","3","2","4","7","1") = "6"
    & skf21("7","4","7","3","2","5","1","1") = "6"
    & skf21("7","4","7","3","2","5","2","1") = "6"
    & skf21("7","4","7","3","2","5","3","1") = "6"
    & skf21("7","4","7","3","2","5","4","1") = "6"
    & skf21("7","4","7","3","2","5","5","1") = "6"
    & skf21("7","4","7","3","2","5","6","1") = "6"
    & skf21("7","4","7","3","2","5","7","1") = "6"
    & skf21("7","4","7","3","2","6","1","1") = "6"
    & skf21("7","4","7","3","2","6","2","1") = "6"
    & skf21("7","4","7","3","2","6","3","1") = "6"
    & skf21("7","4","7","3","2","6","4","1") = "6"
    & skf21("7","4","7","3","2","6","5","1") = "6"
    & skf21("7","4","7","3","2","6","6","1") = "6"
    & skf21("7","4","7","3","2","6","7","1") = "6"
    & skf21("7","4","7","3","2","7","1","1") = "6"
    & skf21("7","4","7","3","2","7","2","1") = "6"
    & skf21("7","4","7","3","2","7","3","1") = "6"
    & skf21("7","4","7","3","2","7","4","1") = "6"
    & skf21("7","4","7","3","2","7","5","1") = "6"
    & skf21("7","4","7","3","2","7","6","1") = "6"
    & skf21("7","4","7","3","2","7","7","1") = "6"
    & skf21("7","4","7","3","3","1","1","1") = "6"
    & skf21("7","4","7","3","3","1","2","1") = "6"
    & skf21("7","4","7","3","3","1","3","1") = "6"
    & skf21("7","4","7","3","3","1","4","1") = "6"
    & skf21("7","4","7","3","3","1","5","1") = "6"
    & skf21("7","4","7","3","3","1","6","1") = "6"
    & skf21("7","4","7","3","3","1","7","1") = "6"
    & skf21("7","4","7","3","3","2","1","1") = "6"
    & skf21("7","4","7","3","3","2","2","1") = "6"
    & skf21("7","4","7","3","3","2","3","1") = "6"
    & skf21("7","4","7","3","3","2","4","1") = "6"
    & skf21("7","4","7","3","3","2","5","1") = "6"
    & skf21("7","4","7","3","3","2","6","1") = "6"
    & skf21("7","4","7","3","3","2","7","1") = "6"
    & skf21("7","4","7","3","3","3","1","1") = "6"
    & skf21("7","4","7","3","3","3","2","1") = "6"
    & skf21("7","4","7","3","3","3","3","1") = "6"
    & skf21("7","4","7","3","3","3","4","1") = "6"
    & skf21("7","4","7","3","3","3","5","1") = "6"
    & skf21("7","4","7","3","3","3","6","1") = "6"
    & skf21("7","4","7","3","3","3","7","1") = "6"
    & skf21("7","4","7","3","3","4","1","1") = "6"
    & skf21("7","4","7","3","3","4","2","1") = "6"
    & skf21("7","4","7","3","3","4","3","1") = "6"
    & skf21("7","4","7","3","3","4","4","1") = "6"
    & skf21("7","4","7","3","3","4","5","1") = "6"
    & skf21("7","4","7","3","3","4","6","1") = "6"
    & skf21("7","4","7","3","3","4","7","1") = "6"
    & skf21("7","4","7","3","3","5","1","1") = "6"
    & skf21("7","4","7","3","3","5","2","1") = "6"
    & skf21("7","4","7","3","3","5","3","1") = "6"
    & skf21("7","4","7","3","3","5","4","1") = "6"
    & skf21("7","4","7","3","3","5","5","1") = "6"
    & skf21("7","4","7","3","3","5","6","1") = "6"
    & skf21("7","4","7","3","3","5","7","1") = "6"
    & skf21("7","4","7","3","3","6","1","1") = "6"
    & skf21("7","4","7","3","3","6","2","1") = "6"
    & skf21("7","4","7","3","3","6","3","1") = "6"
    & skf21("7","4","7","3","3","6","4","1") = "6"
    & skf21("7","4","7","3","3","6","5","1") = "6"
    & skf21("7","4","7","3","3","6","6","1") = "6"
    & skf21("7","4","7","3","3","6","7","1") = "6"
    & skf21("7","4","7","3","3","7","1","1") = "6"
    & skf21("7","4","7","3","3","7","2","1") = "6"
    & skf21("7","4","7","3","3","7","3","1") = "6"
    & skf21("7","4","7","3","3","7","4","1") = "6"
    & skf21("7","4","7","3","3","7","5","1") = "6"
    & skf21("7","4","7","3","3","7","6","1") = "6"
    & skf21("7","4","7","3","3","7","7","1") = "6"
    & skf21("7","4","7","3","4","1","1","1") = "6"
    & skf21("7","4","7","3","4","1","2","1") = "6"
    & skf21("7","4","7","3","4","1","3","1") = "6"
    & skf21("7","4","7","3","4","1","4","1") = "6"
    & skf21("7","4","7","3","4","1","5","1") = "6"
    & skf21("7","4","7","3","4","1","6","1") = "6"
    & skf21("7","4","7","3","4","1","7","1") = "6"
    & skf21("7","4","7","3","4","2","1","1") = "6"
    & skf21("7","4","7","3","4","2","2","1") = "6"
    & skf21("7","4","7","3","4","2","3","1") = "6"
    & skf21("7","4","7","3","4","2","4","1") = "6"
    & skf21("7","4","7","3","4","2","5","1") = "6"
    & skf21("7","4","7","3","4","2","6","1") = "6"
    & skf21("7","4","7","3","4","2","7","1") = "6"
    & skf21("7","4","7","3","4","3","1","1") = "6"
    & skf21("7","4","7","3","4","3","2","1") = "6"
    & skf21("7","4","7","3","4","3","3","1") = "6"
    & skf21("7","4","7","3","4","3","4","1") = "6"
    & skf21("7","4","7","3","4","3","5","1") = "6"
    & skf21("7","4","7","3","4","3","6","1") = "6"
    & skf21("7","4","7","3","4","3","7","1") = "6"
    & skf21("7","4","7","3","4","4","1","1") = "6"
    & skf21("7","4","7","3","4","4","2","1") = "6"
    & skf21("7","4","7","3","4","4","3","1") = "6"
    & skf21("7","4","7","3","4","4","4","1") = "6"
    & skf21("7","4","7","3","4","4","5","1") = "6"
    & skf21("7","4","7","3","4","4","6","1") = "6"
    & skf21("7","4","7","3","4","4","7","1") = "6"
    & skf21("7","4","7","3","4","5","1","1") = "6"
    & skf21("7","4","7","3","4","5","2","1") = "6"
    & skf21("7","4","7","3","4","5","3","1") = "6"
    & skf21("7","4","7","3","4","5","4","1") = "6"
    & skf21("7","4","7","3","4","5","5","1") = "6"
    & skf21("7","4","7","3","4","5","6","1") = "6"
    & skf21("7","4","7","3","4","5","7","1") = "6"
    & skf21("7","4","7","3","4","6","1","1") = "6"
    & skf21("7","4","7","3","4","6","2","1") = "6"
    & skf21("7","4","7","3","4","6","3","1") = "6"
    & skf21("7","4","7","3","4","6","4","1") = "6"
    & skf21("7","4","7","3","4","6","5","1") = "6"
    & skf21("7","4","7","3","4","6","6","1") = "6"
    & skf21("7","4","7","3","4","6","7","1") = "6"
    & skf21("7","4","7","3","4","7","1","1") = "6"
    & skf21("7","4","7","3","4","7","2","1") = "6"
    & skf21("7","4","7","3","4","7","3","1") = "6"
    & skf21("7","4","7","3","4","7","4","1") = "6"
    & skf21("7","4","7","3","4","7","5","1") = "6"
    & skf21("7","4","7","3","4","7","6","1") = "6"
    & skf21("7","4","7","3","4","7","7","1") = "6"
    & skf21("7","4","7","3","5","1","1","1") = "6"
    & skf21("7","4","7","3","5","1","2","1") = "6"
    & skf21("7","4","7","3","5","1","3","1") = "6"
    & skf21("7","4","7","3","5","1","4","1") = "6"
    & skf21("7","4","7","3","5","1","5","1") = "6"
    & skf21("7","4","7","3","5","1","6","1") = "6"
    & skf21("7","4","7","3","5","1","7","1") = "6"
    & skf21("7","4","7","3","5","2","1","1") = "6"
    & skf21("7","4","7","3","5","2","2","1") = "6"
    & skf21("7","4","7","3","5","2","3","1") = "6"
    & skf21("7","4","7","3","5","2","4","1") = "6"
    & skf21("7","4","7","3","5","2","5","1") = "6"
    & skf21("7","4","7","3","5","2","6","1") = "6"
    & skf21("7","4","7","3","5","2","7","1") = "6"
    & skf21("7","4","7","3","5","3","1","1") = "6"
    & skf21("7","4","7","3","5","3","2","1") = "6"
    & skf21("7","4","7","3","5","3","3","1") = "6"
    & skf21("7","4","7","3","5","3","4","1") = "6"
    & skf21("7","4","7","3","5","3","5","1") = "6"
    & skf21("7","4","7","3","5","3","6","1") = "6"
    & skf21("7","4","7","3","5","3","7","1") = "6"
    & skf21("7","4","7","3","5","4","1","1") = "6"
    & skf21("7","4","7","3","5","4","2","1") = "6"
    & skf21("7","4","7","3","5","4","3","1") = "6"
    & skf21("7","4","7","3","5","4","4","1") = "6"
    & skf21("7","4","7","3","5","4","5","1") = "6"
    & skf21("7","4","7","3","5","4","6","1") = "6"
    & skf21("7","4","7","3","5","4","7","1") = "6"
    & skf21("7","4","7","3","5","5","1","1") = "6"
    & skf21("7","4","7","3","5","5","2","1") = "6"
    & skf21("7","4","7","3","5","5","3","1") = "6"
    & skf21("7","4","7","3","5","5","4","1") = "6"
    & skf21("7","4","7","3","5","5","5","1") = "6"
    & skf21("7","4","7","3","5","5","6","1") = "6"
    & skf21("7","4","7","3","5","5","7","1") = "6"
    & skf21("7","4","7","3","5","6","1","1") = "6"
    & skf21("7","4","7","3","5","6","2","1") = "6"
    & skf21("7","4","7","3","5","6","3","1") = "6"
    & skf21("7","4","7","3","5","6","4","1") = "6"
    & skf21("7","4","7","3","5","6","5","1") = "6"
    & skf21("7","4","7","3","5","6","6","1") = "6"
    & skf21("7","4","7","3","5","6","7","1") = "6"
    & skf21("7","4","7","3","5","7","1","1") = "6"
    & skf21("7","4","7","3","5","7","2","1") = "6"
    & skf21("7","4","7","3","5","7","3","1") = "6"
    & skf21("7","4","7","3","5","7","4","1") = "6"
    & skf21("7","4","7","3","5","7","5","1") = "6"
    & skf21("7","4","7","3","5","7","6","1") = "6"
    & skf21("7","4","7","3","5","7","7","1") = "6"
    & skf21("7","4","7","3","6","1","1","1") = "6"
    & skf21("7","4","7","3","6","1","2","1") = "6"
    & skf21("7","4","7","3","6","1","3","1") = "6"
    & skf21("7","4","7","3","6","1","4","1") = "6"
    & skf21("7","4","7","3","6","1","5","1") = "6"
    & skf21("7","4","7","3","6","1","6","1") = "6"
    & skf21("7","4","7","3","6","1","7","1") = "6"
    & skf21("7","4","7","3","6","2","1","1") = "6"
    & skf21("7","4","7","3","6","2","2","1") = "6"
    & skf21("7","4","7","3","6","2","3","1") = "6"
    & skf21("7","4","7","3","6","2","4","1") = "6"
    & skf21("7","4","7","3","6","2","5","1") = "6"
    & skf21("7","4","7","3","6","2","6","1") = "6"
    & skf21("7","4","7","3","6","2","7","1") = "6"
    & skf21("7","4","7","3","6","3","1","1") = "6"
    & skf21("7","4","7","3","6","3","2","1") = "6"
    & skf21("7","4","7","3","6","3","3","1") = "6"
    & skf21("7","4","7","3","6","3","4","1") = "6"
    & skf21("7","4","7","3","6","3","5","1") = "6"
    & skf21("7","4","7","3","6","3","6","1") = "6"
    & skf21("7","4","7","3","6","3","7","1") = "6"
    & skf21("7","4","7","3","6","4","1","1") = "6"
    & skf21("7","4","7","3","6","4","2","1") = "6"
    & skf21("7","4","7","3","6","4","3","1") = "6"
    & skf21("7","4","7","3","6","4","4","1") = "6"
    & skf21("7","4","7","3","6","4","5","1") = "6"
    & skf21("7","4","7","3","6","4","6","1") = "6"
    & skf21("7","4","7","3","6","4","7","1") = "6"
    & skf21("7","4","7","3","6","5","1","1") = "6"
    & skf21("7","4","7","3","6","5","2","1") = "6"
    & skf21("7","4","7","3","6","5","3","1") = "6"
    & skf21("7","4","7","3","6","5","4","1") = "6"
    & skf21("7","4","7","3","6","5","5","1") = "6"
    & skf21("7","4","7","3","6","5","6","1") = "6"
    & skf21("7","4","7","3","6","5","7","1") = "6"
    & skf21("7","4","7","3","6","6","1","1") = "6"
    & skf21("7","4","7","3","6","6","2","1") = "6"
    & skf21("7","4","7","3","6","6","3","1") = "6"
    & skf21("7","4","7","3","6","6","4","1") = "6"
    & skf21("7","4","7","3","6","6","5","1") = "6"
    & skf21("7","4","7","3","6","6","6","1") = "6"
    & skf21("7","4","7","3","6","6","7","1") = "6"
    & skf21("7","4","7","3","6","7","1","1") = "6"
    & skf21("7","4","7","3","6","7","2","1") = "6"
    & skf21("7","4","7","3","6","7","3","1") = "6"
    & skf21("7","4","7","3","6","7","4","1") = "6"
    & skf21("7","4","7","3","6","7","5","1") = "6"
    & skf21("7","4","7","3","6","7","6","1") = "6"
    & skf21("7","4","7","3","6","7","7","1") = "6"
    & skf21("7","4","7","3","7","1","1","1") = "6"
    & skf21("7","4","7","3","7","1","2","1") = "6"
    & skf21("7","4","7","3","7","1","3","1") = "6"
    & skf21("7","4","7","3","7","1","4","1") = "6"
    & skf21("7","4","7","3","7","1","5","1") = "6"
    & skf21("7","4","7","3","7","1","6","1") = "6"
    & skf21("7","4","7","3","7","1","7","1") = "6"
    & skf21("7","4","7","3","7","2","1","1") = "6"
    & skf21("7","4","7","3","7","2","2","1") = "6"
    & skf21("7","4","7","3","7","2","3","1") = "6"
    & skf21("7","4","7","3","7","2","4","1") = "6"
    & skf21("7","4","7","3","7","2","5","1") = "6"
    & skf21("7","4","7","3","7","2","6","1") = "6"
    & skf21("7","4","7","3","7","2","7","1") = "6"
    & skf21("7","4","7","3","7","3","1","1") = "6"
    & skf21("7","4","7","3","7","3","2","1") = "6"
    & skf21("7","4","7","3","7","3","3","1") = "6"
    & skf21("7","4","7","3","7","3","4","1") = "6"
    & skf21("7","4","7","3","7","3","5","1") = "6"
    & skf21("7","4","7","3","7","3","6","1") = "6"
    & skf21("7","4","7","3","7","3","7","1") = "6"
    & skf21("7","4","7","3","7","4","1","1") = "6"
    & skf21("7","4","7","3","7","4","2","1") = "6"
    & skf21("7","4","7","3","7","4","3","1") = "6"
    & skf21("7","4","7","3","7","4","4","1") = "6"
    & skf21("7","4","7","3","7","4","5","1") = "6"
    & skf21("7","4","7","3","7","4","6","1") = "6"
    & skf21("7","4","7","3","7","4","7","1") = "6"
    & skf21("7","4","7","3","7","5","1","1") = "6"
    & skf21("7","4","7","3","7","5","2","1") = "6"
    & skf21("7","4","7","3","7","5","3","1") = "6"
    & skf21("7","4","7","3","7","5","4","1") = "6"
    & skf21("7","4","7","3","7","5","5","1") = "6"
    & skf21("7","4","7","3","7","5","6","1") = "6"
    & skf21("7","4","7","3","7","5","7","1") = "6"
    & skf21("7","4","7","3","7","6","1","1") = "6"
    & skf21("7","4","7","3","7","6","2","1") = "6"
    & skf21("7","4","7","3","7","6","3","1") = "6"
    & skf21("7","4","7","3","7","6","4","1") = "6"
    & skf21("7","4","7","3","7","6","5","1") = "6"
    & skf21("7","4","7","3","7","6","6","1") = "6"
    & skf21("7","4","7","3","7","6","7","1") = "6"
    & skf21("7","4","7","3","7","7","1","1") = "6"
    & skf21("7","4","7","3","7","7","2","1") = "6"
    & skf21("7","4","7","3","7","7","3","1") = "6"
    & skf21("7","4","7","3","7","7","4","1") = "6"
    & skf21("7","4","7","3","7","7","5","1") = "6"
    & skf21("7","4","7","3","7","7","6","1") = "6"
    & skf21("7","4","7","3","7","7","7","1") = "6"
    & skf21("7","4","7","4","1","1","1","1") = "6"
    & skf21("7","4","7","4","1","1","2","1") = "6"
    & skf21("7","4","7","4","1","1","3","1") = "6"
    & skf21("7","4","7","4","1","1","4","1") = "6"
    & skf21("7","4","7","4","1","1","5","1") = "6"
    & skf21("7","4","7","4","1","1","6","1") = "6"
    & skf21("7","4","7","4","1","1","7","1") = "6"
    & skf21("7","4","7","4","1","2","1","1") = "6"
    & skf21("7","4","7","4","1","2","2","1") = "6"
    & skf21("7","4","7","4","1","2","3","1") = "6"
    & skf21("7","4","7","4","1","2","4","1") = "6"
    & skf21("7","4","7","4","1","2","5","1") = "6"
    & skf21("7","4","7","4","1","2","6","1") = "6"
    & skf21("7","4","7","4","1","2","7","1") = "6"
    & skf21("7","4","7","4","1","3","1","1") = "6"
    & skf21("7","4","7","4","1","3","2","1") = "6"
    & skf21("7","4","7","4","1","3","3","1") = "6"
    & skf21("7","4","7","4","1","3","4","1") = "6"
    & skf21("7","4","7","4","1","3","5","1") = "6"
    & skf21("7","4","7","4","1","3","6","1") = "6"
    & skf21("7","4","7","4","1","3","7","1") = "6"
    & skf21("7","4","7","4","1","4","1","1") = "6"
    & skf21("7","4","7","4","1","4","2","1") = "6"
    & skf21("7","4","7","4","1","4","3","1") = "6"
    & skf21("7","4","7","4","1","4","4","1") = "6"
    & skf21("7","4","7","4","1","4","5","1") = "6"
    & skf21("7","4","7","4","1","4","6","1") = "6"
    & skf21("7","4","7","4","1","4","7","1") = "6"
    & skf21("7","4","7","4","1","5","1","1") = "6"
    & skf21("7","4","7","4","1","5","2","1") = "6"
    & skf21("7","4","7","4","1","5","3","1") = "6"
    & skf21("7","4","7","4","1","5","4","1") = "6"
    & skf21("7","4","7","4","1","5","5","1") = "6"
    & skf21("7","4","7","4","1","5","6","1") = "6"
    & skf21("7","4","7","4","1","5","7","1") = "6"
    & skf21("7","4","7","4","1","6","1","1") = "6"
    & skf21("7","4","7","4","1","6","2","1") = "6"
    & skf21("7","4","7","4","1","6","3","1") = "6"
    & skf21("7","4","7","4","1","6","4","1") = "6"
    & skf21("7","4","7","4","1","6","5","1") = "6"
    & skf21("7","4","7","4","1","6","6","1") = "6"
    & skf21("7","4","7","4","1","6","7","1") = "6"
    & skf21("7","4","7","4","1","7","1","1") = "6"
    & skf21("7","4","7","4","1","7","2","1") = "6"
    & skf21("7","4","7","4","1","7","3","1") = "6"
    & skf21("7","4","7","4","1","7","4","1") = "6"
    & skf21("7","4","7","4","1","7","5","1") = "6"
    & skf21("7","4","7","4","1","7","6","1") = "6"
    & skf21("7","4","7","4","1","7","7","1") = "6"
    & skf21("7","4","7","4","2","1","1","1") = "6"
    & skf21("7","4","7","4","2","1","2","1") = "6"
    & skf21("7","4","7","4","2","1","3","1") = "6"
    & skf21("7","4","7","4","2","1","4","1") = "6"
    & skf21("7","4","7","4","2","1","5","1") = "6"
    & skf21("7","4","7","4","2","1","6","1") = "6"
    & skf21("7","4","7","4","2","1","7","1") = "6"
    & skf21("7","4","7","4","2","2","1","1") = "6"
    & skf21("7","4","7","4","2","2","2","1") = "6"
    & skf21("7","4","7","4","2","2","3","1") = "6"
    & skf21("7","4","7","4","2","2","4","1") = "6"
    & skf21("7","4","7","4","2","2","5","1") = "6"
    & skf21("7","4","7","4","2","2","6","1") = "6"
    & skf21("7","4","7","4","2","2","7","1") = "6"
    & skf21("7","4","7","4","2","3","1","1") = "6"
    & skf21("7","4","7","4","2","3","2","1") = "6"
    & skf21("7","4","7","4","2","3","3","1") = "6"
    & skf21("7","4","7","4","2","3","4","1") = "6"
    & skf21("7","4","7","4","2","3","5","1") = "6"
    & skf21("7","4","7","4","2","3","6","1") = "6"
    & skf21("7","4","7","4","2","3","7","1") = "6"
    & skf21("7","4","7","4","2","4","1","1") = "6"
    & skf21("7","4","7","4","2","4","2","1") = "6"
    & skf21("7","4","7","4","2","4","3","1") = "6"
    & skf21("7","4","7","4","2","4","4","1") = "6"
    & skf21("7","4","7","4","2","4","5","1") = "6"
    & skf21("7","4","7","4","2","4","6","1") = "6"
    & skf21("7","4","7","4","2","4","7","1") = "6"
    & skf21("7","4","7","4","2","5","1","1") = "6"
    & skf21("7","4","7","4","2","5","2","1") = "6"
    & skf21("7","4","7","4","2","5","3","1") = "6"
    & skf21("7","4","7","4","2","5","4","1") = "6"
    & skf21("7","4","7","4","2","5","5","1") = "6"
    & skf21("7","4","7","4","2","5","6","1") = "6"
    & skf21("7","4","7","4","2","5","7","1") = "6"
    & skf21("7","4","7","4","2","6","1","1") = "6"
    & skf21("7","4","7","4","2","6","2","1") = "6"
    & skf21("7","4","7","4","2","6","3","1") = "6"
    & skf21("7","4","7","4","2","6","4","1") = "6"
    & skf21("7","4","7","4","2","6","5","1") = "6"
    & skf21("7","4","7","4","2","6","6","1") = "6"
    & skf21("7","4","7","4","2","6","7","1") = "6"
    & skf21("7","4","7","4","2","7","1","1") = "6"
    & skf21("7","4","7","4","2","7","2","1") = "6"
    & skf21("7","4","7","4","2","7","3","1") = "6"
    & skf21("7","4","7","4","2","7","4","1") = "6"
    & skf21("7","4","7","4","2","7","5","1") = "6"
    & skf21("7","4","7","4","2","7","6","1") = "6"
    & skf21("7","4","7","4","2","7","7","1") = "6"
    & skf21("7","4","7","4","3","1","1","1") = "6"
    & skf21("7","4","7","4","3","1","2","1") = "6"
    & skf21("7","4","7","4","3","1","3","1") = "6"
    & skf21("7","4","7","4","3","1","4","1") = "6"
    & skf21("7","4","7","4","3","1","5","1") = "6"
    & skf21("7","4","7","4","3","1","6","1") = "6"
    & skf21("7","4","7","4","3","1","7","1") = "6"
    & skf21("7","4","7","4","3","2","1","1") = "6"
    & skf21("7","4","7","4","3","2","2","1") = "6"
    & skf21("7","4","7","4","3","2","3","1") = "6"
    & skf21("7","4","7","4","3","2","4","1") = "6"
    & skf21("7","4","7","4","3","2","5","1") = "6"
    & skf21("7","4","7","4","3","2","6","1") = "6"
    & skf21("7","4","7","4","3","2","7","1") = "6"
    & skf21("7","4","7","4","3","3","1","1") = "6"
    & skf21("7","4","7","4","3","3","2","1") = "6"
    & skf21("7","4","7","4","3","3","3","1") = "6"
    & skf21("7","4","7","4","3","3","4","1") = "6"
    & skf21("7","4","7","4","3","3","5","1") = "6"
    & skf21("7","4","7","4","3","3","6","1") = "6"
    & skf21("7","4","7","4","3","3","7","1") = "6"
    & skf21("7","4","7","4","3","4","1","1") = "6"
    & skf21("7","4","7","4","3","4","2","1") = "6"
    & skf21("7","4","7","4","3","4","3","1") = "6"
    & skf21("7","4","7","4","3","4","4","1") = "6"
    & skf21("7","4","7","4","3","4","5","1") = "6"
    & skf21("7","4","7","4","3","4","6","1") = "6"
    & skf21("7","4","7","4","3","4","7","1") = "6"
    & skf21("7","4","7","4","3","5","1","1") = "6"
    & skf21("7","4","7","4","3","5","2","1") = "6"
    & skf21("7","4","7","4","3","5","3","1") = "6"
    & skf21("7","4","7","4","3","5","4","1") = "6"
    & skf21("7","4","7","4","3","5","5","1") = "6"
    & skf21("7","4","7","4","3","5","6","1") = "6"
    & skf21("7","4","7","4","3","5","7","1") = "6"
    & skf21("7","4","7","4","3","6","1","1") = "6"
    & skf21("7","4","7","4","3","6","2","1") = "6"
    & skf21("7","4","7","4","3","6","3","1") = "6"
    & skf21("7","4","7","4","3","6","4","1") = "6"
    & skf21("7","4","7","4","3","6","5","1") = "6"
    & skf21("7","4","7","4","3","6","6","1") = "6"
    & skf21("7","4","7","4","3","6","7","1") = "6"
    & skf21("7","4","7","4","3","7","1","1") = "6"
    & skf21("7","4","7","4","3","7","2","1") = "6"
    & skf21("7","4","7","4","3","7","3","1") = "6"
    & skf21("7","4","7","4","3","7","4","1") = "6"
    & skf21("7","4","7","4","3","7","5","1") = "6"
    & skf21("7","4","7","4","3","7","6","1") = "6"
    & skf21("7","4","7","4","3","7","7","1") = "6"
    & skf21("7","4","7","4","4","1","1","1") = "6"
    & skf21("7","4","7","4","4","1","2","1") = "6"
    & skf21("7","4","7","4","4","1","3","1") = "6"
    & skf21("7","4","7","4","4","1","4","1") = "6"
    & skf21("7","4","7","4","4","1","5","1") = "6"
    & skf21("7","4","7","4","4","1","6","1") = "6"
    & skf21("7","4","7","4","4","1","7","1") = "6"
    & skf21("7","4","7","4","4","2","1","1") = "6"
    & skf21("7","4","7","4","4","2","2","1") = "6"
    & skf21("7","4","7","4","4","2","3","1") = "6"
    & skf21("7","4","7","4","4","2","4","1") = "6"
    & skf21("7","4","7","4","4","2","5","1") = "6"
    & skf21("7","4","7","4","4","2","6","1") = "6"
    & skf21("7","4","7","4","4","2","7","1") = "6"
    & skf21("7","4","7","4","4","3","1","1") = "6"
    & skf21("7","4","7","4","4","3","2","1") = "6"
    & skf21("7","4","7","4","4","3","3","1") = "6"
    & skf21("7","4","7","4","4","3","4","1") = "6"
    & skf21("7","4","7","4","4","3","5","1") = "6"
    & skf21("7","4","7","4","4","3","6","1") = "6"
    & skf21("7","4","7","4","4","3","7","1") = "6"
    & skf21("7","4","7","4","4","4","1","1") = "6"
    & skf21("7","4","7","4","4","4","2","1") = "6"
    & skf21("7","4","7","4","4","4","3","1") = "6"
    & skf21("7","4","7","4","4","4","4","1") = "6"
    & skf21("7","4","7","4","4","4","5","1") = "6"
    & skf21("7","4","7","4","4","4","6","1") = "6"
    & skf21("7","4","7","4","4","4","7","1") = "6"
    & skf21("7","4","7","4","4","5","1","1") = "6"
    & skf21("7","4","7","4","4","5","2","1") = "6"
    & skf21("7","4","7","4","4","5","3","1") = "6"
    & skf21("7","4","7","4","4","5","4","1") = "6"
    & skf21("7","4","7","4","4","5","5","1") = "6"
    & skf21("7","4","7","4","4","5","6","1") = "6"
    & skf21("7","4","7","4","4","5","7","1") = "6"
    & skf21("7","4","7","4","4","6","1","1") = "6"
    & skf21("7","4","7","4","4","6","2","1") = "6"
    & skf21("7","4","7","4","4","6","3","1") = "6"
    & skf21("7","4","7","4","4","6","4","1") = "6"
    & skf21("7","4","7","4","4","6","5","1") = "6"
    & skf21("7","4","7","4","4","6","6","1") = "6"
    & skf21("7","4","7","4","4","6","7","1") = "6"
    & skf21("7","4","7","4","4","7","1","1") = "6"
    & skf21("7","4","7","4","4","7","2","1") = "6"
    & skf21("7","4","7","4","4","7","3","1") = "6"
    & skf21("7","4","7","4","4","7","4","1") = "6"
    & skf21("7","4","7","4","4","7","5","1") = "6"
    & skf21("7","4","7","4","4","7","6","1") = "6"
    & skf21("7","4","7","4","4","7","7","1") = "6"
    & skf21("7","4","7","4","5","1","1","1") = "6"
    & skf21("7","4","7","4","5","1","2","1") = "6"
    & skf21("7","4","7","4","5","1","3","1") = "6"
    & skf21("7","4","7","4","5","1","4","1") = "6"
    & skf21("7","4","7","4","5","1","5","1") = "6"
    & skf21("7","4","7","4","5","1","6","1") = "6"
    & skf21("7","4","7","4","5","1","7","1") = "6"
    & skf21("7","4","7","4","5","2","1","1") = "6"
    & skf21("7","4","7","4","5","2","2","1") = "6"
    & skf21("7","4","7","4","5","2","3","1") = "6"
    & skf21("7","4","7","4","5","2","4","1") = "6"
    & skf21("7","4","7","4","5","2","5","1") = "6"
    & skf21("7","4","7","4","5","2","6","1") = "6"
    & skf21("7","4","7","4","5","2","7","1") = "6"
    & skf21("7","4","7","4","5","3","1","1") = "6"
    & skf21("7","4","7","4","5","3","2","1") = "6"
    & skf21("7","4","7","4","5","3","3","1") = "6"
    & skf21("7","4","7","4","5","3","4","1") = "6"
    & skf21("7","4","7","4","5","3","5","1") = "6"
    & skf21("7","4","7","4","5","3","6","1") = "6"
    & skf21("7","4","7","4","5","3","7","1") = "6"
    & skf21("7","4","7","4","5","4","1","1") = "6"
    & skf21("7","4","7","4","5","4","2","1") = "6"
    & skf21("7","4","7","4","5","4","3","1") = "6"
    & skf21("7","4","7","4","5","4","4","1") = "6"
    & skf21("7","4","7","4","5","4","5","1") = "6"
    & skf21("7","4","7","4","5","4","6","1") = "6"
    & skf21("7","4","7","4","5","4","7","1") = "6"
    & skf21("7","4","7","4","5","5","1","1") = "6"
    & skf21("7","4","7","4","5","5","2","1") = "6"
    & skf21("7","4","7","4","5","5","3","1") = "6"
    & skf21("7","4","7","4","5","5","4","1") = "6"
    & skf21("7","4","7","4","5","5","5","1") = "6"
    & skf21("7","4","7","4","5","5","6","1") = "6"
    & skf21("7","4","7","4","5","5","7","1") = "6"
    & skf21("7","4","7","4","5","6","1","1") = "6"
    & skf21("7","4","7","4","5","6","2","1") = "6"
    & skf21("7","4","7","4","5","6","3","1") = "6"
    & skf21("7","4","7","4","5","6","4","1") = "6"
    & skf21("7","4","7","4","5","6","5","1") = "6"
    & skf21("7","4","7","4","5","6","6","1") = "6"
    & skf21("7","4","7","4","5","6","7","1") = "6"
    & skf21("7","4","7","4","5","7","1","1") = "6"
    & skf21("7","4","7","4","5","7","2","1") = "6"
    & skf21("7","4","7","4","5","7","3","1") = "6"
    & skf21("7","4","7","4","5","7","4","1") = "6"
    & skf21("7","4","7","4","5","7","5","1") = "6"
    & skf21("7","4","7","4","5","7","6","1") = "6"
    & skf21("7","4","7","4","5","7","7","1") = "6"
    & skf21("7","4","7","4","6","1","1","1") = "6"
    & skf21("7","4","7","4","6","1","2","1") = "6"
    & skf21("7","4","7","4","6","1","3","1") = "6"
    & skf21("7","4","7","4","6","1","4","1") = "6"
    & skf21("7","4","7","4","6","1","5","1") = "6"
    & skf21("7","4","7","4","6","1","6","1") = "6"
    & skf21("7","4","7","4","6","1","7","1") = "6"
    & skf21("7","4","7","4","6","2","1","1") = "6"
    & skf21("7","4","7","4","6","2","2","1") = "6"
    & skf21("7","4","7","4","6","2","3","1") = "6"
    & skf21("7","4","7","4","6","2","4","1") = "6"
    & skf21("7","4","7","4","6","2","5","1") = "6"
    & skf21("7","4","7","4","6","2","6","1") = "6"
    & skf21("7","4","7","4","6","2","7","1") = "6"
    & skf21("7","4","7","4","6","3","1","1") = "6"
    & skf21("7","4","7","4","6","3","2","1") = "6"
    & skf21("7","4","7","4","6","3","3","1") = "6"
    & skf21("7","4","7","4","6","3","4","1") = "6"
    & skf21("7","4","7","4","6","3","5","1") = "6"
    & skf21("7","4","7","4","6","3","6","1") = "6"
    & skf21("7","4","7","4","6","3","7","1") = "6"
    & skf21("7","4","7","4","6","4","1","1") = "6"
    & skf21("7","4","7","4","6","4","2","1") = "6"
    & skf21("7","4","7","4","6","4","3","1") = "6"
    & skf21("7","4","7","4","6","4","4","1") = "6"
    & skf21("7","4","7","4","6","4","5","1") = "6"
    & skf21("7","4","7","4","6","4","6","1") = "6"
    & skf21("7","4","7","4","6","4","7","1") = "6"
    & skf21("7","4","7","4","6","5","1","1") = "6"
    & skf21("7","4","7","4","6","5","2","1") = "6"
    & skf21("7","4","7","4","6","5","3","1") = "6"
    & skf21("7","4","7","4","6","5","4","1") = "6"
    & skf21("7","4","7","4","6","5","5","1") = "6"
    & skf21("7","4","7","4","6","5","6","1") = "6"
    & skf21("7","4","7","4","6","5","7","1") = "6"
    & skf21("7","4","7","4","6","6","1","1") = "6"
    & skf21("7","4","7","4","6","6","2","1") = "6"
    & skf21("7","4","7","4","6","6","3","1") = "6"
    & skf21("7","4","7","4","6","6","4","1") = "6"
    & skf21("7","4","7","4","6","6","5","1") = "6"
    & skf21("7","4","7","4","6","6","6","1") = "6"
    & skf21("7","4","7","4","6","6","7","1") = "6"
    & skf21("7","4","7","4","6","7","1","1") = "6"
    & skf21("7","4","7","4","6","7","2","1") = "6"
    & skf21("7","4","7","4","6","7","3","1") = "6"
    & skf21("7","4","7","4","6","7","4","1") = "6"
    & skf21("7","4","7","4","6","7","5","1") = "6"
    & skf21("7","4","7","4","6","7","6","1") = "6"
    & skf21("7","4","7","4","6","7","7","1") = "6"
    & skf21("7","4","7","4","7","1","1","1") = "6"
    & skf21("7","4","7","4","7","1","2","1") = "6"
    & skf21("7","4","7","4","7","1","3","1") = "6"
    & skf21("7","4","7","4","7","1","4","1") = "6"
    & skf21("7","4","7","4","7","1","5","1") = "6"
    & skf21("7","4","7","4","7","1","6","1") = "6"
    & skf21("7","4","7","4","7","1","7","1") = "6"
    & skf21("7","4","7","4","7","2","1","1") = "6"
    & skf21("7","4","7","4","7","2","2","1") = "6"
    & skf21("7","4","7","4","7","2","3","1") = "6"
    & skf21("7","4","7","4","7","2","4","1") = "6"
    & skf21("7","4","7","4","7","2","5","1") = "6"
    & skf21("7","4","7","4","7","2","6","1") = "6"
    & skf21("7","4","7","4","7","2","7","1") = "6"
    & skf21("7","4","7","4","7","3","1","1") = "6"
    & skf21("7","4","7","4","7","3","2","1") = "6"
    & skf21("7","4","7","4","7","3","3","1") = "6"
    & skf21("7","4","7","4","7","3","4","1") = "6"
    & skf21("7","4","7","4","7","3","5","1") = "6"
    & skf21("7","4","7","4","7","3","6","1") = "6"
    & skf21("7","4","7","4","7","3","7","1") = "6"
    & skf21("7","4","7","4","7","4","1","1") = "6"
    & skf21("7","4","7","4","7","4","2","1") = "6"
    & skf21("7","4","7","4","7","4","3","1") = "6"
    & skf21("7","4","7","4","7","4","4","1") = "6"
    & skf21("7","4","7","4","7","4","5","1") = "6"
    & skf21("7","4","7","4","7","4","6","1") = "6"
    & skf21("7","4","7","4","7","4","7","1") = "6"
    & skf21("7","4","7","4","7","5","1","1") = "6"
    & skf21("7","4","7","4","7","5","2","1") = "6"
    & skf21("7","4","7","4","7","5","3","1") = "6"
    & skf21("7","4","7","4","7","5","4","1") = "6"
    & skf21("7","4","7","4","7","5","5","1") = "6"
    & skf21("7","4","7","4","7","5","6","1") = "6"
    & skf21("7","4","7","4","7","5","7","1") = "6"
    & skf21("7","4","7","4","7","6","1","1") = "6"
    & skf21("7","4","7","4","7","6","2","1") = "6"
    & skf21("7","4","7","4","7","6","3","1") = "6"
    & skf21("7","4","7","4","7","6","4","1") = "6"
    & skf21("7","4","7","4","7","6","5","1") = "6"
    & skf21("7","4","7","4","7","6","6","1") = "6"
    & skf21("7","4","7","4","7","6","7","1") = "6"
    & skf21("7","4","7","4","7","7","1","1") = "6"
    & skf21("7","4","7","4","7","7","2","1") = "6"
    & skf21("7","4","7","4","7","7","3","1") = "6"
    & skf21("7","4","7","4","7","7","4","1") = "6"
    & skf21("7","4","7","4","7","7","5","1") = "6"
    & skf21("7","4","7","4","7","7","6","1") = "6"
    & skf21("7","4","7","4","7","7","7","1") = "6"
    & skf21("7","4","7","5","1","1","1","1") = "6"
    & skf21("7","4","7","5","1","1","2","1") = "6"
    & skf21("7","4","7","5","1","1","3","1") = "6"
    & skf21("7","4","7","5","1","1","4","1") = "6"
    & skf21("7","4","7","5","1","1","5","1") = "6"
    & skf21("7","4","7","5","1","1","6","1") = "6"
    & skf21("7","4","7","5","1","1","7","1") = "6"
    & skf21("7","4","7","5","1","2","1","1") = "6"
    & skf21("7","4","7","5","1","2","2","1") = "6"
    & skf21("7","4","7","5","1","2","3","1") = "6"
    & skf21("7","4","7","5","1","2","4","1") = "6"
    & skf21("7","4","7","5","1","2","5","1") = "6"
    & skf21("7","4","7","5","1","2","6","1") = "6"
    & skf21("7","4","7","5","1","2","7","1") = "6"
    & skf21("7","4","7","5","1","3","1","1") = "6"
    & skf21("7","4","7","5","1","3","2","1") = "6"
    & skf21("7","4","7","5","1","3","3","1") = "6"
    & skf21("7","4","7","5","1","3","4","1") = "6"
    & skf21("7","4","7","5","1","3","5","1") = "6"
    & skf21("7","4","7","5","1","3","6","1") = "6"
    & skf21("7","4","7","5","1","3","7","1") = "6"
    & skf21("7","4","7","5","1","4","1","1") = "6"
    & skf21("7","4","7","5","1","4","2","1") = "6"
    & skf21("7","4","7","5","1","4","3","1") = "6"
    & skf21("7","4","7","5","1","4","4","1") = "6"
    & skf21("7","4","7","5","1","4","5","1") = "6"
    & skf21("7","4","7","5","1","4","6","1") = "6"
    & skf21("7","4","7","5","1","4","7","1") = "6"
    & skf21("7","4","7","5","1","5","1","1") = "6"
    & skf21("7","4","7","5","1","5","2","1") = "6"
    & skf21("7","4","7","5","1","5","3","1") = "6"
    & skf21("7","4","7","5","1","5","4","1") = "6"
    & skf21("7","4","7","5","1","5","5","1") = "6"
    & skf21("7","4","7","5","1","5","6","1") = "6"
    & skf21("7","4","7","5","1","5","7","1") = "6"
    & skf21("7","4","7","5","1","6","1","1") = "6"
    & skf21("7","4","7","5","1","6","2","1") = "6"
    & skf21("7","4","7","5","1","6","3","1") = "6"
    & skf21("7","4","7","5","1","6","4","1") = "6"
    & skf21("7","4","7","5","1","6","5","1") = "6"
    & skf21("7","4","7","5","1","6","6","1") = "6"
    & skf21("7","4","7","5","1","6","7","1") = "6"
    & skf21("7","4","7","5","1","7","1","1") = "6"
    & skf21("7","4","7","5","1","7","2","1") = "6"
    & skf21("7","4","7","5","1","7","3","1") = "6"
    & skf21("7","4","7","5","1","7","4","1") = "6"
    & skf21("7","4","7","5","1","7","5","1") = "6"
    & skf21("7","4","7","5","1","7","6","1") = "6"
    & skf21("7","4","7","5","1","7","7","1") = "6"
    & skf21("7","4","7","5","2","1","1","1") = "6"
    & skf21("7","4","7","5","2","1","2","1") = "6"
    & skf21("7","4","7","5","2","1","3","1") = "6"
    & skf21("7","4","7","5","2","1","4","1") = "6"
    & skf21("7","4","7","5","2","1","5","1") = "6"
    & skf21("7","4","7","5","2","1","6","1") = "6"
    & skf21("7","4","7","5","2","1","7","1") = "6"
    & skf21("7","4","7","5","2","2","1","1") = "6"
    & skf21("7","4","7","5","2","2","2","1") = "6"
    & skf21("7","4","7","5","2","2","3","1") = "6"
    & skf21("7","4","7","5","2","2","4","1") = "6"
    & skf21("7","4","7","5","2","2","5","1") = "6"
    & skf21("7","4","7","5","2","2","6","1") = "6"
    & skf21("7","4","7","5","2","2","7","1") = "6"
    & skf21("7","4","7","5","2","3","1","1") = "6"
    & skf21("7","4","7","5","2","3","2","1") = "6"
    & skf21("7","4","7","5","2","3","3","1") = "6"
    & skf21("7","4","7","5","2","3","4","1") = "6"
    & skf21("7","4","7","5","2","3","5","1") = "6"
    & skf21("7","4","7","5","2","3","6","1") = "6"
    & skf21("7","4","7","5","2","3","7","1") = "6"
    & skf21("7","4","7","5","2","4","1","1") = "6"
    & skf21("7","4","7","5","2","4","2","1") = "6"
    & skf21("7","4","7","5","2","4","3","1") = "6"
    & skf21("7","4","7","5","2","4","4","1") = "6"
    & skf21("7","4","7","5","2","4","5","1") = "6"
    & skf21("7","4","7","5","2","4","6","1") = "6"
    & skf21("7","4","7","5","2","4","7","1") = "6"
    & skf21("7","4","7","5","2","5","1","1") = "6"
    & skf21("7","4","7","5","2","5","2","1") = "6"
    & skf21("7","4","7","5","2","5","3","1") = "6"
    & skf21("7","4","7","5","2","5","4","1") = "6"
    & skf21("7","4","7","5","2","5","5","1") = "6"
    & skf21("7","4","7","5","2","5","6","1") = "6"
    & skf21("7","4","7","5","2","5","7","1") = "6"
    & skf21("7","4","7","5","2","6","1","1") = "6"
    & skf21("7","4","7","5","2","6","2","1") = "6"
    & skf21("7","4","7","5","2","6","3","1") = "6"
    & skf21("7","4","7","5","2","6","4","1") = "6"
    & skf21("7","4","7","5","2","6","5","1") = "6"
    & skf21("7","4","7","5","2","6","6","1") = "6"
    & skf21("7","4","7","5","2","6","7","1") = "6"
    & skf21("7","4","7","5","2","7","1","1") = "6"
    & skf21("7","4","7","5","2","7","2","1") = "6"
    & skf21("7","4","7","5","2","7","3","1") = "6"
    & skf21("7","4","7","5","2","7","4","1") = "6"
    & skf21("7","4","7","5","2","7","5","1") = "6"
    & skf21("7","4","7","5","2","7","6","1") = "6"
    & skf21("7","4","7","5","2","7","7","1") = "6"
    & skf21("7","4","7","5","3","1","1","1") = "6"
    & skf21("7","4","7","5","3","1","2","1") = "6"
    & skf21("7","4","7","5","3","1","3","1") = "6"
    & skf21("7","4","7","5","3","1","4","1") = "6"
    & skf21("7","4","7","5","3","1","5","1") = "6"
    & skf21("7","4","7","5","3","1","6","1") = "6"
    & skf21("7","4","7","5","3","1","7","1") = "6"
    & skf21("7","4","7","5","3","2","1","1") = "6"
    & skf21("7","4","7","5","3","2","2","1") = "6"
    & skf21("7","4","7","5","3","2","3","1") = "6"
    & skf21("7","4","7","5","3","2","4","1") = "6"
    & skf21("7","4","7","5","3","2","5","1") = "6"
    & skf21("7","4","7","5","3","2","6","1") = "6"
    & skf21("7","4","7","5","3","2","7","1") = "6"
    & skf21("7","4","7","5","3","3","1","1") = "6"
    & skf21("7","4","7","5","3","3","2","1") = "6"
    & skf21("7","4","7","5","3","3","3","1") = "6"
    & skf21("7","4","7","5","3","3","4","1") = "6"
    & skf21("7","4","7","5","3","3","5","1") = "6"
    & skf21("7","4","7","5","3","3","6","1") = "6"
    & skf21("7","4","7","5","3","3","7","1") = "6"
    & skf21("7","4","7","5","3","4","1","1") = "6"
    & skf21("7","4","7","5","3","4","2","1") = "6"
    & skf21("7","4","7","5","3","4","3","1") = "6"
    & skf21("7","4","7","5","3","4","4","1") = "6"
    & skf21("7","4","7","5","3","4","5","1") = "6"
    & skf21("7","4","7","5","3","4","6","1") = "6"
    & skf21("7","4","7","5","3","4","7","1") = "6"
    & skf21("7","4","7","5","3","5","1","1") = "6"
    & skf21("7","4","7","5","3","5","2","1") = "6"
    & skf21("7","4","7","5","3","5","3","1") = "6"
    & skf21("7","4","7","5","3","5","4","1") = "6"
    & skf21("7","4","7","5","3","5","5","1") = "6"
    & skf21("7","4","7","5","3","5","6","1") = "6"
    & skf21("7","4","7","5","3","5","7","1") = "6"
    & skf21("7","4","7","5","3","6","1","1") = "6"
    & skf21("7","4","7","5","3","6","2","1") = "6"
    & skf21("7","4","7","5","3","6","3","1") = "6"
    & skf21("7","4","7","5","3","6","4","1") = "6"
    & skf21("7","4","7","5","3","6","5","1") = "6"
    & skf21("7","4","7","5","3","6","6","1") = "6"
    & skf21("7","4","7","5","3","6","7","1") = "6"
    & skf21("7","4","7","5","3","7","1","1") = "6"
    & skf21("7","4","7","5","3","7","2","1") = "6"
    & skf21("7","4","7","5","3","7","3","1") = "6"
    & skf21("7","4","7","5","3","7","4","1") = "6"
    & skf21("7","4","7","5","3","7","5","1") = "6"
    & skf21("7","4","7","5","3","7","6","1") = "6"
    & skf21("7","4","7","5","3","7","7","1") = "6"
    & skf21("7","4","7","5","4","1","1","1") = "6"
    & skf21("7","4","7","5","4","1","2","1") = "6"
    & skf21("7","4","7","5","4","1","3","1") = "6"
    & skf21("7","4","7","5","4","1","4","1") = "6"
    & skf21("7","4","7","5","4","1","5","1") = "6"
    & skf21("7","4","7","5","4","1","6","1") = "6"
    & skf21("7","4","7","5","4","1","7","1") = "6"
    & skf21("7","4","7","5","4","2","1","1") = "6"
    & skf21("7","4","7","5","4","2","2","1") = "6"
    & skf21("7","4","7","5","4","2","3","1") = "6"
    & skf21("7","4","7","5","4","2","4","1") = "6"
    & skf21("7","4","7","5","4","2","5","1") = "6"
    & skf21("7","4","7","5","4","2","6","1") = "6"
    & skf21("7","4","7","5","4","2","7","1") = "6"
    & skf21("7","4","7","5","4","3","1","1") = "6"
    & skf21("7","4","7","5","4","3","2","1") = "6"
    & skf21("7","4","7","5","4","3","3","1") = "6"
    & skf21("7","4","7","5","4","3","4","1") = "6"
    & skf21("7","4","7","5","4","3","5","1") = "6"
    & skf21("7","4","7","5","4","3","6","1") = "6"
    & skf21("7","4","7","5","4","3","7","1") = "6"
    & skf21("7","4","7","5","4","4","1","1") = "6"
    & skf21("7","4","7","5","4","4","2","1") = "6"
    & skf21("7","4","7","5","4","4","3","1") = "6"
    & skf21("7","4","7","5","4","4","4","1") = "6"
    & skf21("7","4","7","5","4","4","5","1") = "6"
    & skf21("7","4","7","5","4","4","6","1") = "6"
    & skf21("7","4","7","5","4","4","7","1") = "6"
    & skf21("7","4","7","5","4","5","1","1") = "6"
    & skf21("7","4","7","5","4","5","2","1") = "6"
    & skf21("7","4","7","5","4","5","3","1") = "6"
    & skf21("7","4","7","5","4","5","4","1") = "6"
    & skf21("7","4","7","5","4","5","5","1") = "6"
    & skf21("7","4","7","5","4","5","6","1") = "6"
    & skf21("7","4","7","5","4","5","7","1") = "6"
    & skf21("7","4","7","5","4","6","1","1") = "6"
    & skf21("7","4","7","5","4","6","2","1") = "6"
    & skf21("7","4","7","5","4","6","3","1") = "6"
    & skf21("7","4","7","5","4","6","4","1") = "6"
    & skf21("7","4","7","5","4","6","5","1") = "6"
    & skf21("7","4","7","5","4","6","6","1") = "6"
    & skf21("7","4","7","5","4","6","7","1") = "6"
    & skf21("7","4","7","5","4","7","1","1") = "6"
    & skf21("7","4","7","5","4","7","2","1") = "6"
    & skf21("7","4","7","5","4","7","3","1") = "6"
    & skf21("7","4","7","5","4","7","4","1") = "6"
    & skf21("7","4","7","5","4","7","5","1") = "6"
    & skf21("7","4","7","5","4","7","6","1") = "6"
    & skf21("7","4","7","5","4","7","7","1") = "6"
    & skf21("7","4","7","5","5","1","1","1") = "6"
    & skf21("7","4","7","5","5","1","2","1") = "6"
    & skf21("7","4","7","5","5","1","3","1") = "6"
    & skf21("7","4","7","5","5","1","4","1") = "6"
    & skf21("7","4","7","5","5","1","5","1") = "6"
    & skf21("7","4","7","5","5","1","6","1") = "6"
    & skf21("7","4","7","5","5","1","7","1") = "6"
    & skf21("7","4","7","5","5","2","1","1") = "6"
    & skf21("7","4","7","5","5","2","2","1") = "6"
    & skf21("7","4","7","5","5","2","3","1") = "6"
    & skf21("7","4","7","5","5","2","4","1") = "6"
    & skf21("7","4","7","5","5","2","5","1") = "6"
    & skf21("7","4","7","5","5","2","6","1") = "6"
    & skf21("7","4","7","5","5","2","7","1") = "6"
    & skf21("7","4","7","5","5","3","1","1") = "6"
    & skf21("7","4","7","5","5","3","2","1") = "6"
    & skf21("7","4","7","5","5","3","3","1") = "6"
    & skf21("7","4","7","5","5","3","4","1") = "6"
    & skf21("7","4","7","5","5","3","5","1") = "6"
    & skf21("7","4","7","5","5","3","6","1") = "6"
    & skf21("7","4","7","5","5","3","7","1") = "6"
    & skf21("7","4","7","5","5","4","1","1") = "6"
    & skf21("7","4","7","5","5","4","2","1") = "6"
    & skf21("7","4","7","5","5","4","3","1") = "6"
    & skf21("7","4","7","5","5","4","4","1") = "6"
    & skf21("7","4","7","5","5","4","5","1") = "6"
    & skf21("7","4","7","5","5","4","6","1") = "6"
    & skf21("7","4","7","5","5","4","7","1") = "6"
    & skf21("7","4","7","5","5","5","1","1") = "6"
    & skf21("7","4","7","5","5","5","2","1") = "6"
    & skf21("7","4","7","5","5","5","3","1") = "6"
    & skf21("7","4","7","5","5","5","4","1") = "6"
    & skf21("7","4","7","5","5","5","5","1") = "6"
    & skf21("7","4","7","5","5","5","6","1") = "6"
    & skf21("7","4","7","5","5","5","7","1") = "6"
    & skf21("7","4","7","5","5","6","1","1") = "6"
    & skf21("7","4","7","5","5","6","2","1") = "6"
    & skf21("7","4","7","5","5","6","3","1") = "6"
    & skf21("7","4","7","5","5","6","4","1") = "6"
    & skf21("7","4","7","5","5","6","5","1") = "6"
    & skf21("7","4","7","5","5","6","6","1") = "6"
    & skf21("7","4","7","5","5","6","7","1") = "6"
    & skf21("7","4","7","5","5","7","1","1") = "6"
    & skf21("7","4","7","5","5","7","2","1") = "6"
    & skf21("7","4","7","5","5","7","3","1") = "6"
    & skf21("7","4","7","5","5","7","4","1") = "6"
    & skf21("7","4","7","5","5","7","5","1") = "6"
    & skf21("7","4","7","5","5","7","6","1") = "6"
    & skf21("7","4","7","5","5","7","7","1") = "6"
    & skf21("7","4","7","5","6","1","1","1") = "6"
    & skf21("7","4","7","5","6","1","2","1") = "6"
    & skf21("7","4","7","5","6","1","3","1") = "6"
    & skf21("7","4","7","5","6","1","4","1") = "6"
    & skf21("7","4","7","5","6","1","5","1") = "6"
    & skf21("7","4","7","5","6","1","6","1") = "6"
    & skf21("7","4","7","5","6","1","7","1") = "6"
    & skf21("7","4","7","5","6","2","1","1") = "6"
    & skf21("7","4","7","5","6","2","2","1") = "6"
    & skf21("7","4","7","5","6","2","3","1") = "6"
    & skf21("7","4","7","5","6","2","4","1") = "6"
    & skf21("7","4","7","5","6","2","5","1") = "6"
    & skf21("7","4","7","5","6","2","6","1") = "6"
    & skf21("7","4","7","5","6","2","7","1") = "6"
    & skf21("7","4","7","5","6","3","1","1") = "6"
    & skf21("7","4","7","5","6","3","2","1") = "6"
    & skf21("7","4","7","5","6","3","3","1") = "6"
    & skf21("7","4","7","5","6","3","4","1") = "6"
    & skf21("7","4","7","5","6","3","5","1") = "6"
    & skf21("7","4","7","5","6","3","6","1") = "6"
    & skf21("7","4","7","5","6","3","7","1") = "6"
    & skf21("7","4","7","5","6","4","1","1") = "6"
    & skf21("7","4","7","5","6","4","2","1") = "6"
    & skf21("7","4","7","5","6","4","3","1") = "6"
    & skf21("7","4","7","5","6","4","4","1") = "6"
    & skf21("7","4","7","5","6","4","5","1") = "6"
    & skf21("7","4","7","5","6","4","6","1") = "6"
    & skf21("7","4","7","5","6","4","7","1") = "6"
    & skf21("7","4","7","5","6","5","1","1") = "6"
    & skf21("7","4","7","5","6","5","2","1") = "6"
    & skf21("7","4","7","5","6","5","3","1") = "6"
    & skf21("7","4","7","5","6","5","4","1") = "6"
    & skf21("7","4","7","5","6","5","5","1") = "6"
    & skf21("7","4","7","5","6","5","6","1") = "6"
    & skf21("7","4","7","5","6","5","7","1") = "6"
    & skf21("7","4","7","5","6","6","1","1") = "6"
    & skf21("7","4","7","5","6","6","2","1") = "6"
    & skf21("7","4","7","5","6","6","3","1") = "6"
    & skf21("7","4","7","5","6","6","4","1") = "6"
    & skf21("7","4","7","5","6","6","5","1") = "6"
    & skf21("7","4","7","5","6","6","6","1") = "6"
    & skf21("7","4","7","5","6","6","7","1") = "6"
    & skf21("7","4","7","5","6","7","1","1") = "6"
    & skf21("7","4","7","5","6","7","2","1") = "6"
    & skf21("7","4","7","5","6","7","3","1") = "6"
    & skf21("7","4","7","5","6","7","4","1") = "6"
    & skf21("7","4","7","5","6","7","5","1") = "6"
    & skf21("7","4","7","5","6","7","6","1") = "6"
    & skf21("7","4","7","5","6","7","7","1") = "6"
    & skf21("7","4","7","5","7","1","1","1") = "6"
    & skf21("7","4","7","5","7","1","2","1") = "6"
    & skf21("7","4","7","5","7","1","3","1") = "6"
    & skf21("7","4","7","5","7","1","4","1") = "6"
    & skf21("7","4","7","5","7","1","5","1") = "6"
    & skf21("7","4","7","5","7","1","6","1") = "6"
    & skf21("7","4","7","5","7","1","7","1") = "6"
    & skf21("7","4","7","5","7","2","1","1") = "6"
    & skf21("7","4","7","5","7","2","2","1") = "6"
    & skf21("7","4","7","5","7","2","3","1") = "6"
    & skf21("7","4","7","5","7","2","4","1") = "6"
    & skf21("7","4","7","5","7","2","5","1") = "6"
    & skf21("7","4","7","5","7","2","6","1") = "6"
    & skf21("7","4","7","5","7","2","7","1") = "6"
    & skf21("7","4","7","5","7","3","1","1") = "6"
    & skf21("7","4","7","5","7","3","2","1") = "6"
    & skf21("7","4","7","5","7","3","3","1") = "6"
    & skf21("7","4","7","5","7","3","4","1") = "6"
    & skf21("7","4","7","5","7","3","5","1") = "6"
    & skf21("7","4","7","5","7","3","6","1") = "6"
    & skf21("7","4","7","5","7","3","7","1") = "6"
    & skf21("7","4","7","5","7","4","1","1") = "6"
    & skf21("7","4","7","5","7","4","2","1") = "6"
    & skf21("7","4","7","5","7","4","3","1") = "6"
    & skf21("7","4","7","5","7","4","4","1") = "6"
    & skf21("7","4","7","5","7","4","5","1") = "6"
    & skf21("7","4","7","5","7","4","6","1") = "6"
    & skf21("7","4","7","5","7","4","7","1") = "6"
    & skf21("7","4","7","5","7","5","1","1") = "6"
    & skf21("7","4","7","5","7","5","2","1") = "6"
    & skf21("7","4","7","5","7","5","3","1") = "6"
    & skf21("7","4","7","5","7","5","4","1") = "6"
    & skf21("7","4","7","5","7","5","5","1") = "6"
    & skf21("7","4","7","5","7","5","6","1") = "6"
    & skf21("7","4","7","5","7","5","7","1") = "6"
    & skf21("7","4","7","5","7","6","1","1") = "6"
    & skf21("7","4","7","5","7","6","2","1") = "6"
    & skf21("7","4","7","5","7","6","3","1") = "6"
    & skf21("7","4","7","5","7","6","4","1") = "6"
    & skf21("7","4","7","5","7","6","5","1") = "6"
    & skf21("7","4","7","5","7","6","6","1") = "6"
    & skf21("7","4","7","5","7","6","7","1") = "6"
    & skf21("7","4","7","5","7","7","1","1") = "6"
    & skf21("7","4","7","5","7","7","2","1") = "6"
    & skf21("7","4","7","5","7","7","3","1") = "6"
    & skf21("7","4","7","5","7","7","4","1") = "6"
    & skf21("7","4","7","5","7","7","5","1") = "6"
    & skf21("7","4","7","5","7","7","6","1") = "6"
    & skf21("7","4","7","5","7","7","7","1") = "6"
    & skf21("7","4","7","6","1","1","1","1") = "6"
    & skf21("7","4","7","6","1","1","2","1") = "6"
    & skf21("7","4","7","6","1","1","3","1") = "6"
    & skf21("7","4","7","6","1","1","4","1") = "6"
    & skf21("7","4","7","6","1","1","5","1") = "6"
    & skf21("7","4","7","6","1","1","6","1") = "6"
    & skf21("7","4","7","6","1","1","7","1") = "6"
    & skf21("7","4","7","6","1","2","1","1") = "6"
    & skf21("7","4","7","6","1","2","2","1") = "6"
    & skf21("7","4","7","6","1","2","3","1") = "6"
    & skf21("7","4","7","6","1","2","4","1") = "6"
    & skf21("7","4","7","6","1","2","5","1") = "6"
    & skf21("7","4","7","6","1","2","6","1") = "6"
    & skf21("7","4","7","6","1","2","7","1") = "6"
    & skf21("7","4","7","6","1","3","1","1") = "6"
    & skf21("7","4","7","6","1","3","2","1") = "6"
    & skf21("7","4","7","6","1","3","3","1") = "6"
    & skf21("7","4","7","6","1","3","4","1") = "6"
    & skf21("7","4","7","6","1","3","5","1") = "6"
    & skf21("7","4","7","6","1","3","6","1") = "6"
    & skf21("7","4","7","6","1","3","7","1") = "6"
    & skf21("7","4","7","6","1","4","1","1") = "6"
    & skf21("7","4","7","6","1","4","2","1") = "6"
    & skf21("7","4","7","6","1","4","3","1") = "6"
    & skf21("7","4","7","6","1","4","4","1") = "6"
    & skf21("7","4","7","6","1","4","5","1") = "6"
    & skf21("7","4","7","6","1","4","6","1") = "6"
    & skf21("7","4","7","6","1","4","7","1") = "6"
    & skf21("7","4","7","6","1","5","1","1") = "6"
    & skf21("7","4","7","6","1","5","2","1") = "6"
    & skf21("7","4","7","6","1","5","3","1") = "6"
    & skf21("7","4","7","6","1","5","4","1") = "6"
    & skf21("7","4","7","6","1","5","5","1") = "6"
    & skf21("7","4","7","6","1","5","6","1") = "6"
    & skf21("7","4","7","6","1","5","7","1") = "6"
    & skf21("7","4","7","6","1","6","1","1") = "6"
    & skf21("7","4","7","6","1","6","2","1") = "6"
    & skf21("7","4","7","6","1","6","3","1") = "6"
    & skf21("7","4","7","6","1","6","4","1") = "6"
    & skf21("7","4","7","6","1","6","5","1") = "6"
    & skf21("7","4","7","6","1","6","6","1") = "6"
    & skf21("7","4","7","6","1","6","7","1") = "6"
    & skf21("7","4","7","6","1","7","1","1") = "6"
    & skf21("7","4","7","6","1","7","2","1") = "6"
    & skf21("7","4","7","6","1","7","3","1") = "6"
    & skf21("7","4","7","6","1","7","4","1") = "6"
    & skf21("7","4","7","6","1","7","5","1") = "6"
    & skf21("7","4","7","6","1","7","6","1") = "6"
    & skf21("7","4","7","6","1","7","7","1") = "6"
    & skf21("7","4","7","6","2","1","1","1") = "6"
    & skf21("7","4","7","6","2","1","2","1") = "6"
    & skf21("7","4","7","6","2","1","3","1") = "6"
    & skf21("7","4","7","6","2","1","4","1") = "6"
    & skf21("7","4","7","6","2","1","5","1") = "6"
    & skf21("7","4","7","6","2","1","6","1") = "6"
    & skf21("7","4","7","6","2","1","7","1") = "6"
    & skf21("7","4","7","6","2","2","1","1") = "6"
    & skf21("7","4","7","6","2","2","2","1") = "6"
    & skf21("7","4","7","6","2","2","3","1") = "6"
    & skf21("7","4","7","6","2","2","4","1") = "6"
    & skf21("7","4","7","6","2","2","5","1") = "6"
    & skf21("7","4","7","6","2","2","6","1") = "6"
    & skf21("7","4","7","6","2","2","7","1") = "6"
    & skf21("7","4","7","6","2","3","1","1") = "6"
    & skf21("7","4","7","6","2","3","2","1") = "6"
    & skf21("7","4","7","6","2","3","3","1") = "6"
    & skf21("7","4","7","6","2","3","4","1") = "6"
    & skf21("7","4","7","6","2","3","5","1") = "6"
    & skf21("7","4","7","6","2","3","6","1") = "6"
    & skf21("7","4","7","6","2","3","7","1") = "6"
    & skf21("7","4","7","6","2","4","1","1") = "6"
    & skf21("7","4","7","6","2","4","2","1") = "6"
    & skf21("7","4","7","6","2","4","3","1") = "6"
    & skf21("7","4","7","6","2","4","4","1") = "6"
    & skf21("7","4","7","6","2","4","5","1") = "6"
    & skf21("7","4","7","6","2","4","6","1") = "6"
    & skf21("7","4","7","6","2","4","7","1") = "6"
    & skf21("7","4","7","6","2","5","1","1") = "6"
    & skf21("7","4","7","6","2","5","2","1") = "6"
    & skf21("7","4","7","6","2","5","3","1") = "6"
    & skf21("7","4","7","6","2","5","4","1") = "6"
    & skf21("7","4","7","6","2","5","5","1") = "6"
    & skf21("7","4","7","6","2","5","6","1") = "6"
    & skf21("7","4","7","6","2","5","7","1") = "6"
    & skf21("7","4","7","6","2","6","1","1") = "6"
    & skf21("7","4","7","6","2","6","2","1") = "6"
    & skf21("7","4","7","6","2","6","3","1") = "6"
    & skf21("7","4","7","6","2","6","4","1") = "6"
    & skf21("7","4","7","6","2","6","5","1") = "6"
    & skf21("7","4","7","6","2","6","6","1") = "6"
    & skf21("7","4","7","6","2","6","7","1") = "6"
    & skf21("7","4","7","6","2","7","1","1") = "6"
    & skf21("7","4","7","6","2","7","2","1") = "6"
    & skf21("7","4","7","6","2","7","3","1") = "6"
    & skf21("7","4","7","6","2","7","4","1") = "6"
    & skf21("7","4","7","6","2","7","5","1") = "6"
    & skf21("7","4","7","6","2","7","6","1") = "6"
    & skf21("7","4","7","6","2","7","7","1") = "6"
    & skf21("7","4","7","6","3","1","1","1") = "6"
    & skf21("7","4","7","6","3","1","2","1") = "6"
    & skf21("7","4","7","6","3","1","3","1") = "6"
    & skf21("7","4","7","6","3","1","4","1") = "6"
    & skf21("7","4","7","6","3","1","5","1") = "6"
    & skf21("7","4","7","6","3","1","6","1") = "6"
    & skf21("7","4","7","6","3","1","7","1") = "6"
    & skf21("7","4","7","6","3","2","1","1") = "6"
    & skf21("7","4","7","6","3","2","2","1") = "6"
    & skf21("7","4","7","6","3","2","3","1") = "6"
    & skf21("7","4","7","6","3","2","4","1") = "6"
    & skf21("7","4","7","6","3","2","5","1") = "6"
    & skf21("7","4","7","6","3","2","6","1") = "6"
    & skf21("7","4","7","6","3","2","7","1") = "6"
    & skf21("7","4","7","6","3","3","1","1") = "6"
    & skf21("7","4","7","6","3","3","2","1") = "6"
    & skf21("7","4","7","6","3","3","3","1") = "6"
    & skf21("7","4","7","6","3","3","4","1") = "6"
    & skf21("7","4","7","6","3","3","5","1") = "6"
    & skf21("7","4","7","6","3","3","6","1") = "6"
    & skf21("7","4","7","6","3","3","7","1") = "6"
    & skf21("7","4","7","6","3","4","1","1") = "6"
    & skf21("7","4","7","6","3","4","2","1") = "6"
    & skf21("7","4","7","6","3","4","3","1") = "6"
    & skf21("7","4","7","6","3","4","4","1") = "6"
    & skf21("7","4","7","6","3","4","5","1") = "6"
    & skf21("7","4","7","6","3","4","6","1") = "6"
    & skf21("7","4","7","6","3","4","7","1") = "6"
    & skf21("7","4","7","6","3","5","1","1") = "6"
    & skf21("7","4","7","6","3","5","2","1") = "6"
    & skf21("7","4","7","6","3","5","3","1") = "6"
    & skf21("7","4","7","6","3","5","4","1") = "6"
    & skf21("7","4","7","6","3","5","5","1") = "6"
    & skf21("7","4","7","6","3","5","6","1") = "6"
    & skf21("7","4","7","6","3","5","7","1") = "6"
    & skf21("7","4","7","6","3","6","1","1") = "6"
    & skf21("7","4","7","6","3","6","2","1") = "6"
    & skf21("7","4","7","6","3","6","3","1") = "6"
    & skf21("7","4","7","6","3","6","4","1") = "6"
    & skf21("7","4","7","6","3","6","5","1") = "6"
    & skf21("7","4","7","6","3","6","6","1") = "6"
    & skf21("7","4","7","6","3","6","7","1") = "6"
    & skf21("7","4","7","6","3","7","1","1") = "6"
    & skf21("7","4","7","6","3","7","2","1") = "6"
    & skf21("7","4","7","6","3","7","3","1") = "6"
    & skf21("7","4","7","6","3","7","4","1") = "6"
    & skf21("7","4","7","6","3","7","5","1") = "6"
    & skf21("7","4","7","6","3","7","6","1") = "6"
    & skf21("7","4","7","6","3","7","7","1") = "6"
    & skf21("7","4","7","6","4","1","1","1") = "6"
    & skf21("7","4","7","6","4","1","2","1") = "6"
    & skf21("7","4","7","6","4","1","3","1") = "6"
    & skf21("7","4","7","6","4","1","4","1") = "6"
    & skf21("7","4","7","6","4","1","5","1") = "6"
    & skf21("7","4","7","6","4","1","6","1") = "6"
    & skf21("7","4","7","6","4","1","7","1") = "6"
    & skf21("7","4","7","6","4","2","1","1") = "6"
    & skf21("7","4","7","6","4","2","2","1") = "6"
    & skf21("7","4","7","6","4","2","3","1") = "6"
    & skf21("7","4","7","6","4","2","4","1") = "6"
    & skf21("7","4","7","6","4","2","5","1") = "6"
    & skf21("7","4","7","6","4","2","6","1") = "6"
    & skf21("7","4","7","6","4","2","7","1") = "6"
    & skf21("7","4","7","6","4","3","1","1") = "6"
    & skf21("7","4","7","6","4","3","2","1") = "6"
    & skf21("7","4","7","6","4","3","3","1") = "6"
    & skf21("7","4","7","6","4","3","4","1") = "6"
    & skf21("7","4","7","6","4","3","5","1") = "6"
    & skf21("7","4","7","6","4","3","6","1") = "6"
    & skf21("7","4","7","6","4","3","7","1") = "6"
    & skf21("7","4","7","6","4","4","1","1") = "6"
    & skf21("7","4","7","6","4","4","2","1") = "6"
    & skf21("7","4","7","6","4","4","3","1") = "6"
    & skf21("7","4","7","6","4","4","4","1") = "6"
    & skf21("7","4","7","6","4","4","5","1") = "6"
    & skf21("7","4","7","6","4","4","6","1") = "6"
    & skf21("7","4","7","6","4","4","7","1") = "6"
    & skf21("7","4","7","6","4","5","1","1") = "6"
    & skf21("7","4","7","6","4","5","2","1") = "6"
    & skf21("7","4","7","6","4","5","3","1") = "6"
    & skf21("7","4","7","6","4","5","4","1") = "6"
    & skf21("7","4","7","6","4","5","5","1") = "6"
    & skf21("7","4","7","6","4","5","6","1") = "6"
    & skf21("7","4","7","6","4","5","7","1") = "6"
    & skf21("7","4","7","6","4","6","1","1") = "6"
    & skf21("7","4","7","6","4","6","2","1") = "6"
    & skf21("7","4","7","6","4","6","3","1") = "6"
    & skf21("7","4","7","6","4","6","4","1") = "6"
    & skf21("7","4","7","6","4","6","5","1") = "6"
    & skf21("7","4","7","6","4","6","6","1") = "6"
    & skf21("7","4","7","6","4","6","7","1") = "6"
    & skf21("7","4","7","6","4","7","1","1") = "6"
    & skf21("7","4","7","6","4","7","2","1") = "6"
    & skf21("7","4","7","6","4","7","3","1") = "6"
    & skf21("7","4","7","6","4","7","4","1") = "6"
    & skf21("7","4","7","6","4","7","5","1") = "6"
    & skf21("7","4","7","6","4","7","6","1") = "6"
    & skf21("7","4","7","6","4","7","7","1") = "6"
    & skf21("7","4","7","6","5","1","1","1") = "6"
    & skf21("7","4","7","6","5","1","2","1") = "6"
    & skf21("7","4","7","6","5","1","3","1") = "6"
    & skf21("7","4","7","6","5","1","4","1") = "6"
    & skf21("7","4","7","6","5","1","5","1") = "6"
    & skf21("7","4","7","6","5","1","6","1") = "6"
    & skf21("7","4","7","6","5","1","7","1") = "6"
    & skf21("7","4","7","6","5","2","1","1") = "6"
    & skf21("7","4","7","6","5","2","2","1") = "6"
    & skf21("7","4","7","6","5","2","3","1") = "6"
    & skf21("7","4","7","6","5","2","4","1") = "6"
    & skf21("7","4","7","6","5","2","5","1") = "6"
    & skf21("7","4","7","6","5","2","6","1") = "6"
    & skf21("7","4","7","6","5","2","7","1") = "6"
    & skf21("7","4","7","6","5","3","1","1") = "6"
    & skf21("7","4","7","6","5","3","2","1") = "6"
    & skf21("7","4","7","6","5","3","3","1") = "6"
    & skf21("7","4","7","6","5","3","4","1") = "6"
    & skf21("7","4","7","6","5","3","5","1") = "6"
    & skf21("7","4","7","6","5","3","6","1") = "6"
    & skf21("7","4","7","6","5","3","7","1") = "6"
    & skf21("7","4","7","6","5","4","1","1") = "6"
    & skf21("7","4","7","6","5","4","2","1") = "6"
    & skf21("7","4","7","6","5","4","3","1") = "6"
    & skf21("7","4","7","6","5","4","4","1") = "6"
    & skf21("7","4","7","6","5","4","5","1") = "6"
    & skf21("7","4","7","6","5","4","6","1") = "6"
    & skf21("7","4","7","6","5","4","7","1") = "6"
    & skf21("7","4","7","6","5","5","1","1") = "6"
    & skf21("7","4","7","6","5","5","2","1") = "6"
    & skf21("7","4","7","6","5","5","3","1") = "6"
    & skf21("7","4","7","6","5","5","4","1") = "6"
    & skf21("7","4","7","6","5","5","5","1") = "6"
    & skf21("7","4","7","6","5","5","6","1") = "6"
    & skf21("7","4","7","6","5","5","7","1") = "6"
    & skf21("7","4","7","6","5","6","1","1") = "6"
    & skf21("7","4","7","6","5","6","2","1") = "6"
    & skf21("7","4","7","6","5","6","3","1") = "6"
    & skf21("7","4","7","6","5","6","4","1") = "6"
    & skf21("7","4","7","6","5","6","5","1") = "6"
    & skf21("7","4","7","6","5","6","6","1") = "6"
    & skf21("7","4","7","6","5","6","7","1") = "6"
    & skf21("7","4","7","6","5","7","1","1") = "6"
    & skf21("7","4","7","6","5","7","2","1") = "6"
    & skf21("7","4","7","6","5","7","3","1") = "6"
    & skf21("7","4","7","6","5","7","4","1") = "6"
    & skf21("7","4","7","6","5","7","5","1") = "6"
    & skf21("7","4","7","6","5","7","6","1") = "6"
    & skf21("7","4","7","6","5","7","7","1") = "6"
    & skf21("7","4","7","6","6","1","1","1") = "6"
    & skf21("7","4","7","6","6","1","2","1") = "6"
    & skf21("7","4","7","6","6","1","3","1") = "6"
    & skf21("7","4","7","6","6","1","4","1") = "6"
    & skf21("7","4","7","6","6","1","5","1") = "6"
    & skf21("7","4","7","6","6","1","6","1") = "6"
    & skf21("7","4","7","6","6","1","7","1") = "6"
    & skf21("7","4","7","6","6","2","1","1") = "6"
    & skf21("7","4","7","6","6","2","2","1") = "6"
    & skf21("7","4","7","6","6","2","3","1") = "6"
    & skf21("7","4","7","6","6","2","4","1") = "6"
    & skf21("7","4","7","6","6","2","5","1") = "6"
    & skf21("7","4","7","6","6","2","6","1") = "6"
    & skf21("7","4","7","6","6","2","7","1") = "6"
    & skf21("7","4","7","6","6","3","1","1") = "6"
    & skf21("7","4","7","6","6","3","2","1") = "6"
    & skf21("7","4","7","6","6","3","3","1") = "6"
    & skf21("7","4","7","6","6","3","4","1") = "6"
    & skf21("7","4","7","6","6","3","5","1") = "6"
    & skf21("7","4","7","6","6","3","6","1") = "6"
    & skf21("7","4","7","6","6","3","7","1") = "6"
    & skf21("7","4","7","6","6","4","1","1") = "6"
    & skf21("7","4","7","6","6","4","2","1") = "6"
    & skf21("7","4","7","6","6","4","3","1") = "6"
    & skf21("7","4","7","6","6","4","4","1") = "6"
    & skf21("7","4","7","6","6","4","5","1") = "6"
    & skf21("7","4","7","6","6","4","6","1") = "6"
    & skf21("7","4","7","6","6","4","7","1") = "6"
    & skf21("7","4","7","6","6","5","1","1") = "6"
    & skf21("7","4","7","6","6","5","2","1") = "6"
    & skf21("7","4","7","6","6","5","3","1") = "6"
    & skf21("7","4","7","6","6","5","4","1") = "6"
    & skf21("7","4","7","6","6","5","5","1") = "6"
    & skf21("7","4","7","6","6","5","6","1") = "6"
    & skf21("7","4","7","6","6","5","7","1") = "6"
    & skf21("7","4","7","6","6","6","1","1") = "6"
    & skf21("7","4","7","6","6","6","2","1") = "6"
    & skf21("7","4","7","6","6","6","3","1") = "6"
    & skf21("7","4","7","6","6","6","4","1") = "6"
    & skf21("7","4","7","6","6","6","5","1") = "6"
    & skf21("7","4","7","6","6","6","6","1") = "6"
    & skf21("7","4","7","6","6","6","7","1") = "6"
    & skf21("7","4","7","6","6","7","1","1") = "6"
    & skf21("7","4","7","6","6","7","2","1") = "6"
    & skf21("7","4","7","6","6","7","3","1") = "6"
    & skf21("7","4","7","6","6","7","4","1") = "6"
    & skf21("7","4","7","6","6","7","5","1") = "6"
    & skf21("7","4","7","6","6","7","6","1") = "6"
    & skf21("7","4","7","6","6","7","7","1") = "6"
    & skf21("7","4","7","6","7","1","1","1") = "6"
    & skf21("7","4","7","6","7","1","2","1") = "6"
    & skf21("7","4","7","6","7","1","3","1") = "6"
    & skf21("7","4","7","6","7","1","4","1") = "6"
    & skf21("7","4","7","6","7","1","5","1") = "6"
    & skf21("7","4","7","6","7","1","6","1") = "6"
    & skf21("7","4","7","6","7","1","7","1") = "6"
    & skf21("7","4","7","6","7","2","1","1") = "6"
    & skf21("7","4","7","6","7","2","2","1") = "6"
    & skf21("7","4","7","6","7","2","3","1") = "6"
    & skf21("7","4","7","6","7","2","4","1") = "6"
    & skf21("7","4","7","6","7","2","5","1") = "6"
    & skf21("7","4","7","6","7","2","6","1") = "6"
    & skf21("7","4","7","6","7","2","7","1") = "6"
    & skf21("7","4","7","6","7","3","1","1") = "6"
    & skf21("7","4","7","6","7","3","2","1") = "6"
    & skf21("7","4","7","6","7","3","3","1") = "6"
    & skf21("7","4","7","6","7","3","4","1") = "6"
    & skf21("7","4","7","6","7","3","5","1") = "6"
    & skf21("7","4","7","6","7","3","6","1") = "6"
    & skf21("7","4","7","6","7","3","7","1") = "6"
    & skf21("7","4","7","6","7","4","1","1") = "6"
    & skf21("7","4","7","6","7","4","2","1") = "6"
    & skf21("7","4","7","6","7","4","3","1") = "6"
    & skf21("7","4","7","6","7","4","4","1") = "6"
    & skf21("7","4","7","6","7","4","5","1") = "6"
    & skf21("7","4","7","6","7","4","6","1") = "6"
    & skf21("7","4","7","6","7","4","7","1") = "6"
    & skf21("7","4","7","6","7","5","1","1") = "6"
    & skf21("7","4","7","6","7","5","2","1") = "6"
    & skf21("7","4","7","6","7","5","3","1") = "6"
    & skf21("7","4","7","6","7","5","4","1") = "6"
    & skf21("7","4","7","6","7","5","5","1") = "6"
    & skf21("7","4","7","6","7","5","6","1") = "6"
    & skf21("7","4","7","6","7","5","7","1") = "6"
    & skf21("7","4","7","6","7","6","1","1") = "6"
    & skf21("7","4","7","6","7","6","2","1") = "6"
    & skf21("7","4","7","6","7","6","3","1") = "6"
    & skf21("7","4","7","6","7","6","4","1") = "6"
    & skf21("7","4","7","6","7","6","5","1") = "6"
    & skf21("7","4","7","6","7","6","6","1") = "6"
    & skf21("7","4","7","6","7","6","7","1") = "6"
    & skf21("7","4","7","6","7","7","1","1") = "6"
    & skf21("7","4","7","6","7","7","2","1") = "6"
    & skf21("7","4","7","6","7","7","3","1") = "6"
    & skf21("7","4","7","6","7","7","4","1") = "6"
    & skf21("7","4","7","6","7","7","5","1") = "6"
    & skf21("7","4","7","6","7","7","6","1") = "6"
    & skf21("7","4","7","6","7","7","7","1") = "6"
    & skf21("7","4","7","7","1","1","1","1") = "6"
    & skf21("7","4","7","7","1","1","2","1") = "6"
    & skf21("7","4","7","7","1","1","3","1") = "6"
    & skf21("7","4","7","7","1","1","4","1") = "6"
    & skf21("7","4","7","7","1","1","5","1") = "6"
    & skf21("7","4","7","7","1","1","6","1") = "6"
    & skf21("7","4","7","7","1","1","7","1") = "6"
    & skf21("7","4","7","7","1","2","1","1") = "6"
    & skf21("7","4","7","7","1","2","2","1") = "6"
    & skf21("7","4","7","7","1","2","3","1") = "6"
    & skf21("7","4","7","7","1","2","4","1") = "6"
    & skf21("7","4","7","7","1","2","5","1") = "6"
    & skf21("7","4","7","7","1","2","6","1") = "6"
    & skf21("7","4","7","7","1","2","7","1") = "6"
    & skf21("7","4","7","7","1","3","1","1") = "6"
    & skf21("7","4","7","7","1","3","2","1") = "6"
    & skf21("7","4","7","7","1","3","3","1") = "6"
    & skf21("7","4","7","7","1","3","4","1") = "6"
    & skf21("7","4","7","7","1","3","5","1") = "6"
    & skf21("7","4","7","7","1","3","6","1") = "6"
    & skf21("7","4","7","7","1","3","7","1") = "6"
    & skf21("7","4","7","7","1","4","1","1") = "6"
    & skf21("7","4","7","7","1","4","2","1") = "6"
    & skf21("7","4","7","7","1","4","3","1") = "6"
    & skf21("7","4","7","7","1","4","4","1") = "6"
    & skf21("7","4","7","7","1","4","5","1") = "6"
    & skf21("7","4","7","7","1","4","6","1") = "6"
    & skf21("7","4","7","7","1","4","7","1") = "6"
    & skf21("7","4","7","7","1","5","1","1") = "6"
    & skf21("7","4","7","7","1","5","2","1") = "6"
    & skf21("7","4","7","7","1","5","3","1") = "6"
    & skf21("7","4","7","7","1","5","4","1") = "6"
    & skf21("7","4","7","7","1","5","5","1") = "6"
    & skf21("7","4","7","7","1","5","6","1") = "6"
    & skf21("7","4","7","7","1","5","7","1") = "6"
    & skf21("7","4","7","7","1","6","1","1") = "6"
    & skf21("7","4","7","7","1","6","2","1") = "6"
    & skf21("7","4","7","7","1","6","3","1") = "6"
    & skf21("7","4","7","7","1","6","4","1") = "6"
    & skf21("7","4","7","7","1","6","5","1") = "6"
    & skf21("7","4","7","7","1","6","6","1") = "6"
    & skf21("7","4","7","7","1","6","7","1") = "6"
    & skf21("7","4","7","7","1","7","1","1") = "6"
    & skf21("7","4","7","7","1","7","2","1") = "6"
    & skf21("7","4","7","7","1","7","3","1") = "6"
    & skf21("7","4","7","7","1","7","4","1") = "6"
    & skf21("7","4","7","7","1","7","5","1") = "6"
    & skf21("7","4","7","7","1","7","6","1") = "6"
    & skf21("7","4","7","7","1","7","7","1") = "6"
    & skf21("7","4","7","7","2","1","1","1") = "6"
    & skf21("7","4","7","7","2","1","2","1") = "6"
    & skf21("7","4","7","7","2","1","3","1") = "6"
    & skf21("7","4","7","7","2","1","4","1") = "6"
    & skf21("7","4","7","7","2","1","5","1") = "6"
    & skf21("7","4","7","7","2","1","6","1") = "6"
    & skf21("7","4","7","7","2","1","7","1") = "6"
    & skf21("7","4","7","7","2","2","1","1") = "6"
    & skf21("7","4","7","7","2","2","2","1") = "6"
    & skf21("7","4","7","7","2","2","3","1") = "6"
    & skf21("7","4","7","7","2","2","4","1") = "6"
    & skf21("7","4","7","7","2","2","5","1") = "6"
    & skf21("7","4","7","7","2","2","6","1") = "6"
    & skf21("7","4","7","7","2","2","7","1") = "6"
    & skf21("7","4","7","7","2","3","1","1") = "6"
    & skf21("7","4","7","7","2","3","2","1") = "6"
    & skf21("7","4","7","7","2","3","3","1") = "6"
    & skf21("7","4","7","7","2","3","4","1") = "6"
    & skf21("7","4","7","7","2","3","5","1") = "6"
    & skf21("7","4","7","7","2","3","6","1") = "6"
    & skf21("7","4","7","7","2","3","7","1") = "6"
    & skf21("7","4","7","7","2","4","1","1") = "6"
    & skf21("7","4","7","7","2","4","2","1") = "6"
    & skf21("7","4","7","7","2","4","3","1") = "6"
    & skf21("7","4","7","7","2","4","4","1") = "6"
    & skf21("7","4","7","7","2","4","5","1") = "6"
    & skf21("7","4","7","7","2","4","6","1") = "6"
    & skf21("7","4","7","7","2","4","7","1") = "6"
    & skf21("7","4","7","7","2","5","1","1") = "6"
    & skf21("7","4","7","7","2","5","2","1") = "6"
    & skf21("7","4","7","7","2","5","3","1") = "6"
    & skf21("7","4","7","7","2","5","4","1") = "6"
    & skf21("7","4","7","7","2","5","5","1") = "6"
    & skf21("7","4","7","7","2","5","6","1") = "6"
    & skf21("7","4","7","7","2","5","7","1") = "6"
    & skf21("7","4","7","7","2","6","1","1") = "6"
    & skf21("7","4","7","7","2","6","2","1") = "6"
    & skf21("7","4","7","7","2","6","3","1") = "6"
    & skf21("7","4","7","7","2","6","4","1") = "6"
    & skf21("7","4","7","7","2","6","5","1") = "6"
    & skf21("7","4","7","7","2","6","6","1") = "6"
    & skf21("7","4","7","7","2","6","7","1") = "6"
    & skf21("7","4","7","7","2","7","1","1") = "6"
    & skf21("7","4","7","7","2","7","2","1") = "6"
    & skf21("7","4","7","7","2","7","3","1") = "6"
    & skf21("7","4","7","7","2","7","4","1") = "6"
    & skf21("7","4","7","7","2","7","5","1") = "6"
    & skf21("7","4","7","7","2","7","6","1") = "6"
    & skf21("7","4","7","7","2","7","7","1") = "6"
    & skf21("7","4","7","7","3","1","1","1") = "6"
    & skf21("7","4","7","7","3","1","2","1") = "6"
    & skf21("7","4","7","7","3","1","3","1") = "6"
    & skf21("7","4","7","7","3","1","4","1") = "6"
    & skf21("7","4","7","7","3","1","5","1") = "6"
    & skf21("7","4","7","7","3","1","6","1") = "6"
    & skf21("7","4","7","7","3","1","7","1") = "6"
    & skf21("7","4","7","7","3","2","1","1") = "6"
    & skf21("7","4","7","7","3","2","2","1") = "6"
    & skf21("7","4","7","7","3","2","3","1") = "6"
    & skf21("7","4","7","7","3","2","4","1") = "6"
    & skf21("7","4","7","7","3","2","5","1") = "6"
    & skf21("7","4","7","7","3","2","6","1") = "6"
    & skf21("7","4","7","7","3","2","7","1") = "6"
    & skf21("7","4","7","7","3","3","1","1") = "6"
    & skf21("7","4","7","7","3","3","2","1") = "6"
    & skf21("7","4","7","7","3","3","3","1") = "6"
    & skf21("7","4","7","7","3","3","4","1") = "6"
    & skf21("7","4","7","7","3","3","5","1") = "6"
    & skf21("7","4","7","7","3","3","6","1") = "6"
    & skf21("7","4","7","7","3","3","7","1") = "6"
    & skf21("7","4","7","7","3","4","1","1") = "6"
    & skf21("7","4","7","7","3","4","2","1") = "6"
    & skf21("7","4","7","7","3","4","3","1") = "6"
    & skf21("7","4","7","7","3","4","4","1") = "6"
    & skf21("7","4","7","7","3","4","5","1") = "6"
    & skf21("7","4","7","7","3","4","6","1") = "6"
    & skf21("7","4","7","7","3","4","7","1") = "6"
    & skf21("7","4","7","7","3","5","1","1") = "6"
    & skf21("7","4","7","7","3","5","2","1") = "6"
    & skf21("7","4","7","7","3","5","3","1") = "6"
    & skf21("7","4","7","7","3","5","4","1") = "6"
    & skf21("7","4","7","7","3","5","5","1") = "6"
    & skf21("7","4","7","7","3","5","6","1") = "6"
    & skf21("7","4","7","7","3","5","7","1") = "6"
    & skf21("7","4","7","7","3","6","1","1") = "6"
    & skf21("7","4","7","7","3","6","2","1") = "6"
    & skf21("7","4","7","7","3","6","3","1") = "6"
    & skf21("7","4","7","7","3","6","4","1") = "6"
    & skf21("7","4","7","7","3","6","5","1") = "6"
    & skf21("7","4","7","7","3","6","6","1") = "6"
    & skf21("7","4","7","7","3","6","7","1") = "6"
    & skf21("7","4","7","7","3","7","1","1") = "6"
    & skf21("7","4","7","7","3","7","2","1") = "6"
    & skf21("7","4","7","7","3","7","3","1") = "6"
    & skf21("7","4","7","7","3","7","4","1") = "6"
    & skf21("7","4","7","7","3","7","5","1") = "6"
    & skf21("7","4","7","7","3","7","6","1") = "6"
    & skf21("7","4","7","7","3","7","7","1") = "6"
    & skf21("7","4","7","7","4","1","1","1") = "6"
    & skf21("7","4","7","7","4","1","2","1") = "6"
    & skf21("7","4","7","7","4","1","3","1") = "6"
    & skf21("7","4","7","7","4","1","4","1") = "6"
    & skf21("7","4","7","7","4","1","5","1") = "6"
    & skf21("7","4","7","7","4","1","6","1") = "6"
    & skf21("7","4","7","7","4","1","7","1") = "6"
    & skf21("7","4","7","7","4","2","1","1") = "6"
    & skf21("7","4","7","7","4","2","2","1") = "6"
    & skf21("7","4","7","7","4","2","3","1") = "6"
    & skf21("7","4","7","7","4","2","4","1") = "6"
    & skf21("7","4","7","7","4","2","5","1") = "6"
    & skf21("7","4","7","7","4","2","6","1") = "6"
    & skf21("7","4","7","7","4","2","7","1") = "6"
    & skf21("7","4","7","7","4","3","1","1") = "6"
    & skf21("7","4","7","7","4","3","2","1") = "6"
    & skf21("7","4","7","7","4","3","3","1") = "6"
    & skf21("7","4","7","7","4","3","4","1") = "6"
    & skf21("7","4","7","7","4","3","5","1") = "6"
    & skf21("7","4","7","7","4","3","6","1") = "6"
    & skf21("7","4","7","7","4","3","7","1") = "6"
    & skf21("7","4","7","7","4","4","1","1") = "6"
    & skf21("7","4","7","7","4","4","2","1") = "6"
    & skf21("7","4","7","7","4","4","3","1") = "6"
    & skf21("7","4","7","7","4","4","4","1") = "6"
    & skf21("7","4","7","7","4","4","5","1") = "6"
    & skf21("7","4","7","7","4","4","6","1") = "6"
    & skf21("7","4","7","7","4","4","7","1") = "6"
    & skf21("7","4","7","7","4","5","1","1") = "6"
    & skf21("7","4","7","7","4","5","2","1") = "6"
    & skf21("7","4","7","7","4","5","3","1") = "6"
    & skf21("7","4","7","7","4","5","4","1") = "6"
    & skf21("7","4","7","7","4","5","5","1") = "6"
    & skf21("7","4","7","7","4","5","6","1") = "6"
    & skf21("7","4","7","7","4","5","7","1") = "6"
    & skf21("7","4","7","7","4","6","1","1") = "6"
    & skf21("7","4","7","7","4","6","2","1") = "6"
    & skf21("7","4","7","7","4","6","3","1") = "6"
    & skf21("7","4","7","7","4","6","4","1") = "6"
    & skf21("7","4","7","7","4","6","5","1") = "6"
    & skf21("7","4","7","7","4","6","6","1") = "6"
    & skf21("7","4","7","7","4","6","7","1") = "6"
    & skf21("7","4","7","7","4","7","1","1") = "6"
    & skf21("7","4","7","7","4","7","2","1") = "6"
    & skf21("7","4","7","7","4","7","3","1") = "6"
    & skf21("7","4","7","7","4","7","4","1") = "6"
    & skf21("7","4","7","7","4","7","5","1") = "6"
    & skf21("7","4","7","7","4","7","6","1") = "6"
    & skf21("7","4","7","7","4","7","7","1") = "6"
    & skf21("7","4","7","7","5","1","1","1") = "6"
    & skf21("7","4","7","7","5","1","2","1") = "6"
    & skf21("7","4","7","7","5","1","3","1") = "6"
    & skf21("7","4","7","7","5","1","4","1") = "6"
    & skf21("7","4","7","7","5","1","5","1") = "6"
    & skf21("7","4","7","7","5","1","6","1") = "6"
    & skf21("7","4","7","7","5","1","7","1") = "6"
    & skf21("7","4","7","7","5","2","1","1") = "6"
    & skf21("7","4","7","7","5","2","2","1") = "6"
    & skf21("7","4","7","7","5","2","3","1") = "6"
    & skf21("7","4","7","7","5","2","4","1") = "6"
    & skf21("7","4","7","7","5","2","5","1") = "6"
    & skf21("7","4","7","7","5","2","6","1") = "6"
    & skf21("7","4","7","7","5","2","7","1") = "6"
    & skf21("7","4","7","7","5","3","1","1") = "6"
    & skf21("7","4","7","7","5","3","2","1") = "6"
    & skf21("7","4","7","7","5","3","3","1") = "6"
    & skf21("7","4","7","7","5","3","4","1") = "6"
    & skf21("7","4","7","7","5","3","5","1") = "6"
    & skf21("7","4","7","7","5","3","6","1") = "6"
    & skf21("7","4","7","7","5","3","7","1") = "6"
    & skf21("7","4","7","7","5","4","1","1") = "6"
    & skf21("7","4","7","7","5","4","2","1") = "6"
    & skf21("7","4","7","7","5","4","3","1") = "6"
    & skf21("7","4","7","7","5","4","4","1") = "6"
    & skf21("7","4","7","7","5","4","5","1") = "6"
    & skf21("7","4","7","7","5","4","6","1") = "6"
    & skf21("7","4","7","7","5","4","7","1") = "6"
    & skf21("7","4","7","7","5","5","1","1") = "6"
    & skf21("7","4","7","7","5","5","2","1") = "6"
    & skf21("7","4","7","7","5","5","3","1") = "6"
    & skf21("7","4","7","7","5","5","4","1") = "6"
    & skf21("7","4","7","7","5","5","5","1") = "6"
    & skf21("7","4","7","7","5","5","6","1") = "6"
    & skf21("7","4","7","7","5","5","7","1") = "6"
    & skf21("7","4","7","7","5","6","1","1") = "6"
    & skf21("7","4","7","7","5","6","2","1") = "6"
    & skf21("7","4","7","7","5","6","3","1") = "6"
    & skf21("7","4","7","7","5","6","4","1") = "6"
    & skf21("7","4","7","7","5","6","5","1") = "6"
    & skf21("7","4","7","7","5","6","6","1") = "6"
    & skf21("7","4","7","7","5","6","7","1") = "6"
    & skf21("7","4","7","7","5","7","1","1") = "6"
    & skf21("7","4","7","7","5","7","2","1") = "6"
    & skf21("7","4","7","7","5","7","3","1") = "6"
    & skf21("7","4","7","7","5","7","4","1") = "6"
    & skf21("7","4","7","7","5","7","5","1") = "6"
    & skf21("7","4","7","7","5","7","6","1") = "6"
    & skf21("7","4","7","7","5","7","7","1") = "6"
    & skf21("7","4","7","7","6","1","1","1") = "6"
    & skf21("7","4","7","7","6","1","2","1") = "6"
    & skf21("7","4","7","7","6","1","3","1") = "6"
    & skf21("7","4","7","7","6","1","4","1") = "6"
    & skf21("7","4","7","7","6","1","5","1") = "6"
    & skf21("7","4","7","7","6","1","6","1") = "6"
    & skf21("7","4","7","7","6","1","7","1") = "6"
    & skf21("7","4","7","7","6","2","1","1") = "6"
    & skf21("7","4","7","7","6","2","2","1") = "6"
    & skf21("7","4","7","7","6","2","3","1") = "6"
    & skf21("7","4","7","7","6","2","4","1") = "6"
    & skf21("7","4","7","7","6","2","5","1") = "6"
    & skf21("7","4","7","7","6","2","6","1") = "6"
    & skf21("7","4","7","7","6","2","7","1") = "6"
    & skf21("7","4","7","7","6","3","1","1") = "6"
    & skf21("7","4","7","7","6","3","2","1") = "6"
    & skf21("7","4","7","7","6","3","3","1") = "6"
    & skf21("7","4","7","7","6","3","4","1") = "6"
    & skf21("7","4","7","7","6","3","5","1") = "6"
    & skf21("7","4","7","7","6","3","6","1") = "6"
    & skf21("7","4","7","7","6","3","7","1") = "6"
    & skf21("7","4","7","7","6","4","1","1") = "6"
    & skf21("7","4","7","7","6","4","2","1") = "6"
    & skf21("7","4","7","7","6","4","3","1") = "6"
    & skf21("7","4","7","7","6","4","4","1") = "6"
    & skf21("7","4","7","7","6","4","5","1") = "6"
    & skf21("7","4","7","7","6","4","6","1") = "6"
    & skf21("7","4","7","7","6","4","7","1") = "6"
    & skf21("7","4","7","7","6","5","1","1") = "6"
    & skf21("7","4","7","7","6","5","2","1") = "6"
    & skf21("7","4","7","7","6","5","3","1") = "6"
    & skf21("7","4","7","7","6","5","4","1") = "6"
    & skf21("7","4","7","7","6","5","5","1") = "6"
    & skf21("7","4","7","7","6","5","6","1") = "6"
    & skf21("7","4","7","7","6","5","7","1") = "6"
    & skf21("7","4","7","7","6","6","1","1") = "6"
    & skf21("7","4","7","7","6","6","2","1") = "6"
    & skf21("7","4","7","7","6","6","3","1") = "6"
    & skf21("7","4","7","7","6","6","4","1") = "6"
    & skf21("7","4","7","7","6","6","5","1") = "6"
    & skf21("7","4","7","7","6","6","6","1") = "6"
    & skf21("7","4","7","7","6","6","7","1") = "6"
    & skf21("7","4","7","7","6","7","1","1") = "6"
    & skf21("7","4","7","7","6","7","2","1") = "6"
    & skf21("7","4","7","7","6","7","3","1") = "6"
    & skf21("7","4","7","7","6","7","4","1") = "6"
    & skf21("7","4","7","7","6","7","5","1") = "6"
    & skf21("7","4","7","7","6","7","6","1") = "6"
    & skf21("7","4","7","7","6","7","7","1") = "6"
    & skf21("7","4","7","7","7","1","1","1") = "6"
    & skf21("7","4","7","7","7","1","2","1") = "6"
    & skf21("7","4","7","7","7","1","3","1") = "6"
    & skf21("7","4","7","7","7","1","4","1") = "6"
    & skf21("7","4","7","7","7","1","5","1") = "6"
    & skf21("7","4","7","7","7","1","6","1") = "6"
    & skf21("7","4","7","7","7","1","7","1") = "6"
    & skf21("7","4","7","7","7","2","1","1") = "6"
    & skf21("7","4","7","7","7","2","2","1") = "6"
    & skf21("7","4","7","7","7","2","3","1") = "6"
    & skf21("7","4","7","7","7","2","4","1") = "6"
    & skf21("7","4","7","7","7","2","5","1") = "6"
    & skf21("7","4","7","7","7","2","6","1") = "6"
    & skf21("7","4","7","7","7","2","7","1") = "6"
    & skf21("7","4","7","7","7","3","1","1") = "6"
    & skf21("7","4","7","7","7","3","2","1") = "6"
    & skf21("7","4","7","7","7","3","3","1") = "6"
    & skf21("7","4","7","7","7","3","4","1") = "6"
    & skf21("7","4","7","7","7","3","5","1") = "6"
    & skf21("7","4","7","7","7","3","6","1") = "6"
    & skf21("7","4","7","7","7","3","7","1") = "6"
    & skf21("7","4","7","7","7","4","1","1") = "6"
    & skf21("7","4","7","7","7","4","2","1") = "6"
    & skf21("7","4","7","7","7","4","3","1") = "6"
    & skf21("7","4","7","7","7","4","4","1") = "6"
    & skf21("7","4","7","7","7","4","5","1") = "6"
    & skf21("7","4","7","7","7","4","6","1") = "6"
    & skf21("7","4","7","7","7","4","7","1") = "6"
    & skf21("7","4","7","7","7","5","1","1") = "6"
    & skf21("7","4","7","7","7","5","2","1") = "6"
    & skf21("7","4","7","7","7","5","3","1") = "6"
    & skf21("7","4","7","7","7","5","4","1") = "6"
    & skf21("7","4","7","7","7","5","5","1") = "6"
    & skf21("7","4","7","7","7","5","6","1") = "6"
    & skf21("7","4","7","7","7","5","7","1") = "6"
    & skf21("7","4","7","7","7","6","1","1") = "6"
    & skf21("7","4","7","7","7","6","2","1") = "6"
    & skf21("7","4","7","7","7","6","3","1") = "6"
    & skf21("7","4","7","7","7","6","4","1") = "6"
    & skf21("7","4","7","7","7","6","5","1") = "6"
    & skf21("7","4","7","7","7","6","6","1") = "6"
    & skf21("7","4","7","7","7","6","7","1") = "6"
    & skf21("7","4","7","7","7","7","1","1") = "6"
    & skf21("7","4","7","7","7","7","2","1") = "6"
    & skf21("7","4","7","7","7","7","3","1") = "6"
    & skf21("7","4","7","7","7","7","4","1") = "6"
    & skf21("7","4","7","7","7","7","5","1") = "6"
    & skf21("7","4","7","7","7","7","6","1") = "6"
    & skf21("7","4","7","7","7","7","7","1") = "6"
    & skf21("7","5","1","1","1","1","1","1") = "6"
    & skf21("7","5","1","1","1","1","2","1") = "6"
    & skf21("7","5","1","1","1","1","3","1") = "6"
    & skf21("7","5","1","1","1","1","4","1") = "6"
    & skf21("7","5","1","1","1","1","5","1") = "6"
    & skf21("7","5","1","1","1","1","6","1") = "6"
    & skf21("7","5","1","1","1","1","7","1") = "6"
    & skf21("7","5","1","1","1","2","1","1") = "6"
    & skf21("7","5","1","1","1","2","2","1") = "6"
    & skf21("7","5","1","1","1","2","3","1") = "6"
    & skf21("7","5","1","1","1","2","4","1") = "6"
    & skf21("7","5","1","1","1","2","5","1") = "6"
    & skf21("7","5","1","1","1","2","6","1") = "6"
    & skf21("7","5","1","1","1","2","7","1") = "6"
    & skf21("7","5","1","1","1","3","1","1") = "6"
    & skf21("7","5","1","1","1","3","2","1") = "6"
    & skf21("7","5","1","1","1","3","3","1") = "6"
    & skf21("7","5","1","1","1","3","4","1") = "6"
    & skf21("7","5","1","1","1","3","5","1") = "6"
    & skf21("7","5","1","1","1","3","6","1") = "6"
    & skf21("7","5","1","1","1","3","7","1") = "6"
    & skf21("7","5","1","1","1","4","1","1") = "6"
    & skf21("7","5","1","1","1","4","2","1") = "6"
    & skf21("7","5","1","1","1","4","3","1") = "6"
    & skf21("7","5","1","1","1","4","4","1") = "6"
    & skf21("7","5","1","1","1","4","5","1") = "6"
    & skf21("7","5","1","1","1","4","6","1") = "6"
    & skf21("7","5","1","1","1","4","7","1") = "6"
    & skf21("7","5","1","1","1","5","1","1") = "6"
    & skf21("7","5","1","1","1","5","2","1") = "6"
    & skf21("7","5","1","1","1","5","3","1") = "6"
    & skf21("7","5","1","1","1","5","4","1") = "6"
    & skf21("7","5","1","1","1","5","5","1") = "6"
    & skf21("7","5","1","1","1","5","6","1") = "6"
    & skf21("7","5","1","1","1","5","7","1") = "6"
    & skf21("7","5","1","1","1","6","1","1") = "6"
    & skf21("7","5","1","1","1","6","2","1") = "6"
    & skf21("7","5","1","1","1","6","3","1") = "6"
    & skf21("7","5","1","1","1","6","4","1") = "6"
    & skf21("7","5","1","1","1","6","5","1") = "6"
    & skf21("7","5","1","1","1","6","6","1") = "6"
    & skf21("7","5","1","1","1","6","7","1") = "6"
    & skf21("7","5","1","1","1","7","1","1") = "6"
    & skf21("7","5","1","1","1","7","2","1") = "6"
    & skf21("7","5","1","1","1","7","3","1") = "6"
    & skf21("7","5","1","1","1","7","4","1") = "6"
    & skf21("7","5","1","1","1","7","5","1") = "6"
    & skf21("7","5","1","1","1","7","6","1") = "6"
    & skf21("7","5","1","1","1","7","7","1") = "6"
    & skf21("7","5","1","1","2","1","1","1") = "6"
    & skf21("7","5","1","1","2","1","2","1") = "6"
    & skf21("7","5","1","1","2","1","3","1") = "6"
    & skf21("7","5","1","1","2","1","4","1") = "6"
    & skf21("7","5","1","1","2","1","5","1") = "6"
    & skf21("7","5","1","1","2","1","6","1") = "6"
    & skf21("7","5","1","1","2","1","7","1") = "6"
    & skf21("7","5","1","1","2","2","1","1") = "6"
    & skf21("7","5","1","1","2","2","2","1") = "6"
    & skf21("7","5","1","1","2","2","3","1") = "6"
    & skf21("7","5","1","1","2","2","4","1") = "6"
    & skf21("7","5","1","1","2","2","5","1") = "6"
    & skf21("7","5","1","1","2","2","6","1") = "6"
    & skf21("7","5","1","1","2","2","7","1") = "6"
    & skf21("7","5","1","1","2","3","1","1") = "6"
    & skf21("7","5","1","1","2","3","2","1") = "6"
    & skf21("7","5","1","1","2","3","3","1") = "6"
    & skf21("7","5","1","1","2","3","4","1") = "6"
    & skf21("7","5","1","1","2","3","5","1") = "6"
    & skf21("7","5","1","1","2","3","6","1") = "6"
    & skf21("7","5","1","1","2","3","7","1") = "6"
    & skf21("7","5","1","1","2","4","1","1") = "6"
    & skf21("7","5","1","1","2","4","2","1") = "6"
    & skf21("7","5","1","1","2","4","3","1") = "6"
    & skf21("7","5","1","1","2","4","4","1") = "6"
    & skf21("7","5","1","1","2","4","5","1") = "6"
    & skf21("7","5","1","1","2","4","6","1") = "6"
    & skf21("7","5","1","1","2","4","7","1") = "6"
    & skf21("7","5","1","1","2","5","1","1") = "6"
    & skf21("7","5","1","1","2","5","2","1") = "6"
    & skf21("7","5","1","1","2","5","3","1") = "6"
    & skf21("7","5","1","1","2","5","4","1") = "6"
    & skf21("7","5","1","1","2","5","5","1") = "6"
    & skf21("7","5","1","1","2","5","6","1") = "6"
    & skf21("7","5","1","1","2","5","7","1") = "6"
    & skf21("7","5","1","1","2","6","1","1") = "6"
    & skf21("7","5","1","1","2","6","2","1") = "6"
    & skf21("7","5","1","1","2","6","3","1") = "6"
    & skf21("7","5","1","1","2","6","4","1") = "6"
    & skf21("7","5","1","1","2","6","5","1") = "6"
    & skf21("7","5","1","1","2","6","6","1") = "6"
    & skf21("7","5","1","1","2","6","7","1") = "6"
    & skf21("7","5","1","1","2","7","1","1") = "6"
    & skf21("7","5","1","1","2","7","2","1") = "6"
    & skf21("7","5","1","1","2","7","3","1") = "6"
    & skf21("7","5","1","1","2","7","4","1") = "6"
    & skf21("7","5","1","1","2","7","5","1") = "6"
    & skf21("7","5","1","1","2","7","6","1") = "6"
    & skf21("7","5","1","1","2","7","7","1") = "6"
    & skf21("7","5","1","1","3","1","1","1") = "6"
    & skf21("7","5","1","1","3","1","2","1") = "6"
    & skf21("7","5","1","1","3","1","3","1") = "6"
    & skf21("7","5","1","1","3","1","4","1") = "6"
    & skf21("7","5","1","1","3","1","5","1") = "6"
    & skf21("7","5","1","1","3","1","6","1") = "6"
    & skf21("7","5","1","1","3","1","7","1") = "6"
    & skf21("7","5","1","1","3","2","1","1") = "6"
    & skf21("7","5","1","1","3","2","2","1") = "6"
    & skf21("7","5","1","1","3","2","3","1") = "6"
    & skf21("7","5","1","1","3","2","4","1") = "6"
    & skf21("7","5","1","1","3","2","5","1") = "6"
    & skf21("7","5","1","1","3","2","6","1") = "6"
    & skf21("7","5","1","1","3","2","7","1") = "6"
    & skf21("7","5","1","1","3","3","1","1") = "6"
    & skf21("7","5","1","1","3","3","2","1") = "6"
    & skf21("7","5","1","1","3","3","3","1") = "6"
    & skf21("7","5","1","1","3","3","4","1") = "6"
    & skf21("7","5","1","1","3","3","5","1") = "6"
    & skf21("7","5","1","1","3","3","6","1") = "6"
    & skf21("7","5","1","1","3","3","7","1") = "6"
    & skf21("7","5","1","1","3","4","1","1") = "6"
    & skf21("7","5","1","1","3","4","2","1") = "6"
    & skf21("7","5","1","1","3","4","3","1") = "6"
    & skf21("7","5","1","1","3","4","4","1") = "6"
    & skf21("7","5","1","1","3","4","5","1") = "6"
    & skf21("7","5","1","1","3","4","6","1") = "6"
    & skf21("7","5","1","1","3","4","7","1") = "6"
    & skf21("7","5","1","1","3","5","1","1") = "6"
    & skf21("7","5","1","1","3","5","2","1") = "6"
    & skf21("7","5","1","1","3","5","3","1") = "6"
    & skf21("7","5","1","1","3","5","4","1") = "6"
    & skf21("7","5","1","1","3","5","5","1") = "6"
    & skf21("7","5","1","1","3","5","6","1") = "6"
    & skf21("7","5","1","1","3","5","7","1") = "6"
    & skf21("7","5","1","1","3","6","1","1") = "6"
    & skf21("7","5","1","1","3","6","2","1") = "6"
    & skf21("7","5","1","1","3","6","3","1") = "6"
    & skf21("7","5","1","1","3","6","4","1") = "6"
    & skf21("7","5","1","1","3","6","5","1") = "6"
    & skf21("7","5","1","1","3","6","6","1") = "6"
    & skf21("7","5","1","1","3","6","7","1") = "6"
    & skf21("7","5","1","1","3","7","1","1") = "6"
    & skf21("7","5","1","1","3","7","2","1") = "6"
    & skf21("7","5","1","1","3","7","3","1") = "6"
    & skf21("7","5","1","1","3","7","4","1") = "6"
    & skf21("7","5","1","1","3","7","5","1") = "6"
    & skf21("7","5","1","1","3","7","6","1") = "6"
    & skf21("7","5","1","1","3","7","7","1") = "6"
    & skf21("7","5","1","1","4","1","1","1") = "6"
    & skf21("7","5","1","1","4","1","2","1") = "6"
    & skf21("7","5","1","1","4","1","3","1") = "6"
    & skf21("7","5","1","1","4","1","4","1") = "6"
    & skf21("7","5","1","1","4","1","5","1") = "6"
    & skf21("7","5","1","1","4","1","6","1") = "6"
    & skf21("7","5","1","1","4","1","7","1") = "6"
    & skf21("7","5","1","1","4","2","1","1") = "6"
    & skf21("7","5","1","1","4","2","2","1") = "6"
    & skf21("7","5","1","1","4","2","3","1") = "6"
    & skf21("7","5","1","1","4","2","4","1") = "6"
    & skf21("7","5","1","1","4","2","5","1") = "6"
    & skf21("7","5","1","1","4","2","6","1") = "6"
    & skf21("7","5","1","1","4","2","7","1") = "6"
    & skf21("7","5","1","1","4","3","1","1") = "6"
    & skf21("7","5","1","1","4","3","2","1") = "6"
    & skf21("7","5","1","1","4","3","3","1") = "6"
    & skf21("7","5","1","1","4","3","4","1") = "6"
    & skf21("7","5","1","1","4","3","5","1") = "6"
    & skf21("7","5","1","1","4","3","6","1") = "6"
    & skf21("7","5","1","1","4","3","7","1") = "6"
    & skf21("7","5","1","1","4","4","1","1") = "6"
    & skf21("7","5","1","1","4","4","2","1") = "6"
    & skf21("7","5","1","1","4","4","3","1") = "6"
    & skf21("7","5","1","1","4","4","4","1") = "6"
    & skf21("7","5","1","1","4","4","5","1") = "6"
    & skf21("7","5","1","1","4","4","6","1") = "6"
    & skf21("7","5","1","1","4","4","7","1") = "6"
    & skf21("7","5","1","1","4","5","1","1") = "6"
    & skf21("7","5","1","1","4","5","2","1") = "6"
    & skf21("7","5","1","1","4","5","3","1") = "6"
    & skf21("7","5","1","1","4","5","4","1") = "6"
    & skf21("7","5","1","1","4","5","5","1") = "6"
    & skf21("7","5","1","1","4","5","6","1") = "6"
    & skf21("7","5","1","1","4","5","7","1") = "6"
    & skf21("7","5","1","1","4","6","1","1") = "6"
    & skf21("7","5","1","1","4","6","2","1") = "6"
    & skf21("7","5","1","1","4","6","3","1") = "6"
    & skf21("7","5","1","1","4","6","4","1") = "6"
    & skf21("7","5","1","1","4","6","5","1") = "6"
    & skf21("7","5","1","1","4","6","6","1") = "6"
    & skf21("7","5","1","1","4","6","7","1") = "6"
    & skf21("7","5","1","1","4","7","1","1") = "6"
    & skf21("7","5","1","1","4","7","2","1") = "6"
    & skf21("7","5","1","1","4","7","3","1") = "6"
    & skf21("7","5","1","1","4","7","4","1") = "6"
    & skf21("7","5","1","1","4","7","5","1") = "6"
    & skf21("7","5","1","1","4","7","6","1") = "6"
    & skf21("7","5","1","1","4","7","7","1") = "6"
    & skf21("7","5","1","1","5","1","1","1") = "6"
    & skf21("7","5","1","1","5","1","2","1") = "6"
    & skf21("7","5","1","1","5","1","3","1") = "6"
    & skf21("7","5","1","1","5","1","4","1") = "6"
    & skf21("7","5","1","1","5","1","5","1") = "6"
    & skf21("7","5","1","1","5","1","6","1") = "6"
    & skf21("7","5","1","1","5","1","7","1") = "6"
    & skf21("7","5","1","1","5","2","1","1") = "6"
    & skf21("7","5","1","1","5","2","2","1") = "6"
    & skf21("7","5","1","1","5","2","3","1") = "6"
    & skf21("7","5","1","1","5","2","4","1") = "6"
    & skf21("7","5","1","1","5","2","5","1") = "6"
    & skf21("7","5","1","1","5","2","6","1") = "6"
    & skf21("7","5","1","1","5","2","7","1") = "6"
    & skf21("7","5","1","1","5","3","1","1") = "6"
    & skf21("7","5","1","1","5","3","2","1") = "6"
    & skf21("7","5","1","1","5","3","3","1") = "6"
    & skf21("7","5","1","1","5","3","4","1") = "6"
    & skf21("7","5","1","1","5","3","5","1") = "6"
    & skf21("7","5","1","1","5","3","6","1") = "6"
    & skf21("7","5","1","1","5","3","7","1") = "6"
    & skf21("7","5","1","1","5","4","1","1") = "6"
    & skf21("7","5","1","1","5","4","2","1") = "6"
    & skf21("7","5","1","1","5","4","3","1") = "6"
    & skf21("7","5","1","1","5","4","4","1") = "6"
    & skf21("7","5","1","1","5","4","5","1") = "6"
    & skf21("7","5","1","1","5","4","6","1") = "6"
    & skf21("7","5","1","1","5","4","7","1") = "6"
    & skf21("7","5","1","1","5","5","1","1") = "6"
    & skf21("7","5","1","1","5","5","2","1") = "6"
    & skf21("7","5","1","1","5","5","3","1") = "6"
    & skf21("7","5","1","1","5","5","4","1") = "6"
    & skf21("7","5","1","1","5","5","5","1") = "6"
    & skf21("7","5","1","1","5","5","6","1") = "6"
    & skf21("7","5","1","1","5","5","7","1") = "6"
    & skf21("7","5","1","1","5","6","1","1") = "6"
    & skf21("7","5","1","1","5","6","2","1") = "6"
    & skf21("7","5","1","1","5","6","3","1") = "6"
    & skf21("7","5","1","1","5","6","4","1") = "6"
    & skf21("7","5","1","1","5","6","5","1") = "6"
    & skf21("7","5","1","1","5","6","6","1") = "6"
    & skf21("7","5","1","1","5","6","7","1") = "6"
    & skf21("7","5","1","1","5","7","1","1") = "6"
    & skf21("7","5","1","1","5","7","2","1") = "6"
    & skf21("7","5","1","1","5","7","3","1") = "6"
    & skf21("7","5","1","1","5","7","4","1") = "6"
    & skf21("7","5","1","1","5","7","5","1") = "6"
    & skf21("7","5","1","1","5","7","6","1") = "6"
    & skf21("7","5","1","1","5","7","7","1") = "6"
    & skf21("7","5","1","1","6","1","1","1") = "6"
    & skf21("7","5","1","1","6","1","2","1") = "6"
    & skf21("7","5","1","1","6","1","3","1") = "6"
    & skf21("7","5","1","1","6","1","4","1") = "6"
    & skf21("7","5","1","1","6","1","5","1") = "6"
    & skf21("7","5","1","1","6","1","6","1") = "6"
    & skf21("7","5","1","1","6","1","7","1") = "6"
    & skf21("7","5","1","1","6","2","1","1") = "6"
    & skf21("7","5","1","1","6","2","2","1") = "6"
    & skf21("7","5","1","1","6","2","3","1") = "6"
    & skf21("7","5","1","1","6","2","4","1") = "6"
    & skf21("7","5","1","1","6","2","5","1") = "6"
    & skf21("7","5","1","1","6","2","6","1") = "6"
    & skf21("7","5","1","1","6","2","7","1") = "6"
    & skf21("7","5","1","1","6","3","1","1") = "6"
    & skf21("7","5","1","1","6","3","2","1") = "6"
    & skf21("7","5","1","1","6","3","3","1") = "6"
    & skf21("7","5","1","1","6","3","4","1") = "6"
    & skf21("7","5","1","1","6","3","5","1") = "6"
    & skf21("7","5","1","1","6","3","6","1") = "6"
    & skf21("7","5","1","1","6","3","7","1") = "6"
    & skf21("7","5","1","1","6","4","1","1") = "6"
    & skf21("7","5","1","1","6","4","2","1") = "6"
    & skf21("7","5","1","1","6","4","3","1") = "6"
    & skf21("7","5","1","1","6","4","4","1") = "6"
    & skf21("7","5","1","1","6","4","5","1") = "6"
    & skf21("7","5","1","1","6","4","6","1") = "6"
    & skf21("7","5","1","1","6","4","7","1") = "6"
    & skf21("7","5","1","1","6","5","1","1") = "6"
    & skf21("7","5","1","1","6","5","2","1") = "6"
    & skf21("7","5","1","1","6","5","3","1") = "6"
    & skf21("7","5","1","1","6","5","4","1") = "6"
    & skf21("7","5","1","1","6","5","5","1") = "6"
    & skf21("7","5","1","1","6","5","6","1") = "6"
    & skf21("7","5","1","1","6","5","7","1") = "6"
    & skf21("7","5","1","1","6","6","1","1") = "6"
    & skf21("7","5","1","1","6","6","2","1") = "6"
    & skf21("7","5","1","1","6","6","3","1") = "6"
    & skf21("7","5","1","1","6","6","4","1") = "6"
    & skf21("7","5","1","1","6","6","5","1") = "6"
    & skf21("7","5","1","1","6","6","6","1") = "6"
    & skf21("7","5","1","1","6","6","7","1") = "6"
    & skf21("7","5","1","1","6","7","1","1") = "6"
    & skf21("7","5","1","1","6","7","2","1") = "6"
    & skf21("7","5","1","1","6","7","3","1") = "6"
    & skf21("7","5","1","1","6","7","4","1") = "6"
    & skf21("7","5","1","1","6","7","5","1") = "6"
    & skf21("7","5","1","1","6","7","6","1") = "6"
    & skf21("7","5","1","1","6","7","7","1") = "6"
    & skf21("7","5","1","1","7","1","1","1") = "6"
    & skf21("7","5","1","1","7","1","2","1") = "6"
    & skf21("7","5","1","1","7","1","3","1") = "6"
    & skf21("7","5","1","1","7","1","4","1") = "6"
    & skf21("7","5","1","1","7","1","5","1") = "6"
    & skf21("7","5","1","1","7","1","6","1") = "6"
    & skf21("7","5","1","1","7","1","7","1") = "6"
    & skf21("7","5","1","1","7","2","1","1") = "6"
    & skf21("7","5","1","1","7","2","2","1") = "6"
    & skf21("7","5","1","1","7","2","3","1") = "6"
    & skf21("7","5","1","1","7","2","4","1") = "6"
    & skf21("7","5","1","1","7","2","5","1") = "6"
    & skf21("7","5","1","1","7","2","6","1") = "6"
    & skf21("7","5","1","1","7","2","7","1") = "6"
    & skf21("7","5","1","1","7","3","1","1") = "6"
    & skf21("7","5","1","1","7","3","2","1") = "6"
    & skf21("7","5","1","1","7","3","3","1") = "6"
    & skf21("7","5","1","1","7","3","4","1") = "6"
    & skf21("7","5","1","1","7","3","5","1") = "6"
    & skf21("7","5","1","1","7","3","6","1") = "6"
    & skf21("7","5","1","1","7","3","7","1") = "6"
    & skf21("7","5","1","1","7","4","1","1") = "6"
    & skf21("7","5","1","1","7","4","2","1") = "6"
    & skf21("7","5","1","1","7","4","3","1") = "6"
    & skf21("7","5","1","1","7","4","4","1") = "6"
    & skf21("7","5","1","1","7","4","5","1") = "6"
    & skf21("7","5","1","1","7","4","6","1") = "6"
    & skf21("7","5","1","1","7","4","7","1") = "6"
    & skf21("7","5","1","1","7","5","1","1") = "6"
    & skf21("7","5","1","1","7","5","2","1") = "6"
    & skf21("7","5","1","1","7","5","3","1") = "6"
    & skf21("7","5","1","1","7","5","4","1") = "6"
    & skf21("7","5","1","1","7","5","5","1") = "6"
    & skf21("7","5","1","1","7","5","6","1") = "6"
    & skf21("7","5","1","1","7","5","7","1") = "6"
    & skf21("7","5","1","1","7","6","1","1") = "6"
    & skf21("7","5","1","1","7","6","2","1") = "6"
    & skf21("7","5","1","1","7","6","3","1") = "6"
    & skf21("7","5","1","1","7","6","4","1") = "6"
    & skf21("7","5","1","1","7","6","5","1") = "6"
    & skf21("7","5","1","1","7","6","6","1") = "6"
    & skf21("7","5","1","1","7","6","7","1") = "6"
    & skf21("7","5","1","1","7","7","1","1") = "6"
    & skf21("7","5","1","1","7","7","2","1") = "6"
    & skf21("7","5","1","1","7","7","3","1") = "6"
    & skf21("7","5","1","1","7","7","4","1") = "6"
    & skf21("7","5","1","1","7","7","5","1") = "6"
    & skf21("7","5","1","1","7","7","6","1") = "6"
    & skf21("7","5","1","1","7","7","7","1") = "6"
    & skf21("7","5","1","2","1","1","1","1") = "6"
    & skf21("7","5","1","2","1","1","2","1") = "6"
    & skf21("7","5","1","2","1","1","3","1") = "6"
    & skf21("7","5","1","2","1","1","4","1") = "6"
    & skf21("7","5","1","2","1","1","5","1") = "6"
    & skf21("7","5","1","2","1","1","6","1") = "6"
    & skf21("7","5","1","2","1","1","7","1") = "6"
    & skf21("7","5","1","2","1","2","1","1") = "6"
    & skf21("7","5","1","2","1","2","2","1") = "6"
    & skf21("7","5","1","2","1","2","3","1") = "6"
    & skf21("7","5","1","2","1","2","4","1") = "6"
    & skf21("7","5","1","2","1","2","5","1") = "6"
    & skf21("7","5","1","2","1","2","6","1") = "6"
    & skf21("7","5","1","2","1","2","7","1") = "6"
    & skf21("7","5","1","2","1","3","1","1") = "6"
    & skf21("7","5","1","2","1","3","2","1") = "6"
    & skf21("7","5","1","2","1","3","3","1") = "6"
    & skf21("7","5","1","2","1","3","4","1") = "6"
    & skf21("7","5","1","2","1","3","5","1") = "6"
    & skf21("7","5","1","2","1","3","6","1") = "6"
    & skf21("7","5","1","2","1","3","7","1") = "6"
    & skf21("7","5","1","2","1","4","1","1") = "6"
    & skf21("7","5","1","2","1","4","2","1") = "6"
    & skf21("7","5","1","2","1","4","3","1") = "6"
    & skf21("7","5","1","2","1","4","4","1") = "6"
    & skf21("7","5","1","2","1","4","5","1") = "6"
    & skf21("7","5","1","2","1","4","6","1") = "6"
    & skf21("7","5","1","2","1","4","7","1") = "6"
    & skf21("7","5","1","2","1","5","1","1") = "6"
    & skf21("7","5","1","2","1","5","2","1") = "6"
    & skf21("7","5","1","2","1","5","3","1") = "6"
    & skf21("7","5","1","2","1","5","4","1") = "6"
    & skf21("7","5","1","2","1","5","5","1") = "6"
    & skf21("7","5","1","2","1","5","6","1") = "6"
    & skf21("7","5","1","2","1","5","7","1") = "6"
    & skf21("7","5","1","2","1","6","1","1") = "6"
    & skf21("7","5","1","2","1","6","2","1") = "6"
    & skf21("7","5","1","2","1","6","3","1") = "6"
    & skf21("7","5","1","2","1","6","4","1") = "6"
    & skf21("7","5","1","2","1","6","5","1") = "6"
    & skf21("7","5","1","2","1","6","6","1") = "6"
    & skf21("7","5","1","2","1","6","7","1") = "6"
    & skf21("7","5","1","2","1","7","1","1") = "6"
    & skf21("7","5","1","2","1","7","2","1") = "6"
    & skf21("7","5","1","2","1","7","3","1") = "6"
    & skf21("7","5","1","2","1","7","4","1") = "6"
    & skf21("7","5","1","2","1","7","5","1") = "6"
    & skf21("7","5","1","2","1","7","6","1") = "6"
    & skf21("7","5","1","2","1","7","7","1") = "6"
    & skf21("7","5","1","2","2","1","1","1") = "6"
    & skf21("7","5","1","2","2","1","2","1") = "6"
    & skf21("7","5","1","2","2","1","3","1") = "6"
    & skf21("7","5","1","2","2","1","4","1") = "6"
    & skf21("7","5","1","2","2","1","5","1") = "6"
    & skf21("7","5","1","2","2","1","6","1") = "6"
    & skf21("7","5","1","2","2","1","7","1") = "6"
    & skf21("7","5","1","2","2","2","1","1") = "6"
    & skf21("7","5","1","2","2","2","2","1") = "6"
    & skf21("7","5","1","2","2","2","3","1") = "6"
    & skf21("7","5","1","2","2","2","4","1") = "6"
    & skf21("7","5","1","2","2","2","5","1") = "6"
    & skf21("7","5","1","2","2","2","6","1") = "6"
    & skf21("7","5","1","2","2","2","7","1") = "6"
    & skf21("7","5","1","2","2","3","1","1") = "6"
    & skf21("7","5","1","2","2","3","2","1") = "6"
    & skf21("7","5","1","2","2","3","3","1") = "6"
    & skf21("7","5","1","2","2","3","4","1") = "6"
    & skf21("7","5","1","2","2","3","5","1") = "6"
    & skf21("7","5","1","2","2","3","6","1") = "6"
    & skf21("7","5","1","2","2","3","7","1") = "6"
    & skf21("7","5","1","2","2","4","1","1") = "6"
    & skf21("7","5","1","2","2","4","2","1") = "6"
    & skf21("7","5","1","2","2","4","3","1") = "6"
    & skf21("7","5","1","2","2","4","4","1") = "6"
    & skf21("7","5","1","2","2","4","5","1") = "6"
    & skf21("7","5","1","2","2","4","6","1") = "6"
    & skf21("7","5","1","2","2","4","7","1") = "6"
    & skf21("7","5","1","2","2","5","1","1") = "6"
    & skf21("7","5","1","2","2","5","2","1") = "6"
    & skf21("7","5","1","2","2","5","3","1") = "6"
    & skf21("7","5","1","2","2","5","4","1") = "6"
    & skf21("7","5","1","2","2","5","5","1") = "6"
    & skf21("7","5","1","2","2","5","6","1") = "6"
    & skf21("7","5","1","2","2","5","7","1") = "6"
    & skf21("7","5","1","2","2","6","1","1") = "6"
    & skf21("7","5","1","2","2","6","2","1") = "6"
    & skf21("7","5","1","2","2","6","3","1") = "6"
    & skf21("7","5","1","2","2","6","4","1") = "6"
    & skf21("7","5","1","2","2","6","5","1") = "6"
    & skf21("7","5","1","2","2","6","6","1") = "6"
    & skf21("7","5","1","2","2","6","7","1") = "6"
    & skf21("7","5","1","2","2","7","1","1") = "6"
    & skf21("7","5","1","2","2","7","2","1") = "6"
    & skf21("7","5","1","2","2","7","3","1") = "6"
    & skf21("7","5","1","2","2","7","4","1") = "6"
    & skf21("7","5","1","2","2","7","5","1") = "6"
    & skf21("7","5","1","2","2","7","6","1") = "6"
    & skf21("7","5","1","2","2","7","7","1") = "6"
    & skf21("7","5","1","2","3","1","1","1") = "6"
    & skf21("7","5","1","2","3","1","2","1") = "6"
    & skf21("7","5","1","2","3","1","3","1") = "6"
    & skf21("7","5","1","2","3","1","4","1") = "6"
    & skf21("7","5","1","2","3","1","5","1") = "6"
    & skf21("7","5","1","2","3","1","6","1") = "6"
    & skf21("7","5","1","2","3","1","7","1") = "6"
    & skf21("7","5","1","2","3","2","1","1") = "6"
    & skf21("7","5","1","2","3","2","2","1") = "6"
    & skf21("7","5","1","2","3","2","3","1") = "6"
    & skf21("7","5","1","2","3","2","4","1") = "6"
    & skf21("7","5","1","2","3","2","5","1") = "6"
    & skf21("7","5","1","2","3","2","6","1") = "6"
    & skf21("7","5","1","2","3","2","7","1") = "6"
    & skf21("7","5","1","2","3","3","1","1") = "6"
    & skf21("7","5","1","2","3","3","2","1") = "6"
    & skf21("7","5","1","2","3","3","3","1") = "6"
    & skf21("7","5","1","2","3","3","4","1") = "6"
    & skf21("7","5","1","2","3","3","5","1") = "6"
    & skf21("7","5","1","2","3","3","6","1") = "6"
    & skf21("7","5","1","2","3","3","7","1") = "6"
    & skf21("7","5","1","2","3","4","1","1") = "6"
    & skf21("7","5","1","2","3","4","2","1") = "6"
    & skf21("7","5","1","2","3","4","3","1") = "6"
    & skf21("7","5","1","2","3","4","4","1") = "6"
    & skf21("7","5","1","2","3","4","5","1") = "6"
    & skf21("7","5","1","2","3","4","6","1") = "6"
    & skf21("7","5","1","2","3","4","7","1") = "6"
    & skf21("7","5","1","2","3","5","1","1") = "6"
    & skf21("7","5","1","2","3","5","2","1") = "6"
    & skf21("7","5","1","2","3","5","3","1") = "6"
    & skf21("7","5","1","2","3","5","4","1") = "6"
    & skf21("7","5","1","2","3","5","5","1") = "6"
    & skf21("7","5","1","2","3","5","6","1") = "6"
    & skf21("7","5","1","2","3","5","7","1") = "6"
    & skf21("7","5","1","2","3","6","1","1") = "6"
    & skf21("7","5","1","2","3","6","2","1") = "6"
    & skf21("7","5","1","2","3","6","3","1") = "6"
    & skf21("7","5","1","2","3","6","4","1") = "6"
    & skf21("7","5","1","2","3","6","5","1") = "6"
    & skf21("7","5","1","2","3","6","6","1") = "6"
    & skf21("7","5","1","2","3","6","7","1") = "6"
    & skf21("7","5","1","2","3","7","1","1") = "6"
    & skf21("7","5","1","2","3","7","2","1") = "6"
    & skf21("7","5","1","2","3","7","3","1") = "6"
    & skf21("7","5","1","2","3","7","4","1") = "6"
    & skf21("7","5","1","2","3","7","5","1") = "6"
    & skf21("7","5","1","2","3","7","6","1") = "6"
    & skf21("7","5","1","2","3","7","7","1") = "6"
    & skf21("7","5","1","2","4","1","1","1") = "6"
    & skf21("7","5","1","2","4","1","2","1") = "6"
    & skf21("7","5","1","2","4","1","3","1") = "6"
    & skf21("7","5","1","2","4","1","4","1") = "6"
    & skf21("7","5","1","2","4","1","5","1") = "6"
    & skf21("7","5","1","2","4","1","6","1") = "6"
    & skf21("7","5","1","2","4","1","7","1") = "6"
    & skf21("7","5","1","2","4","2","1","1") = "6"
    & skf21("7","5","1","2","4","2","2","1") = "6"
    & skf21("7","5","1","2","4","2","3","1") = "6"
    & skf21("7","5","1","2","4","2","4","1") = "6"
    & skf21("7","5","1","2","4","2","5","1") = "6"
    & skf21("7","5","1","2","4","2","6","1") = "6"
    & skf21("7","5","1","2","4","2","7","1") = "6"
    & skf21("7","5","1","2","4","3","1","1") = "6"
    & skf21("7","5","1","2","4","3","2","1") = "6"
    & skf21("7","5","1","2","4","3","3","1") = "6"
    & skf21("7","5","1","2","4","3","4","1") = "6"
    & skf21("7","5","1","2","4","3","5","1") = "6"
    & skf21("7","5","1","2","4","3","6","1") = "6"
    & skf21("7","5","1","2","4","3","7","1") = "6"
    & skf21("7","5","1","2","4","4","1","1") = "6"
    & skf21("7","5","1","2","4","4","2","1") = "6"
    & skf21("7","5","1","2","4","4","3","1") = "6"
    & skf21("7","5","1","2","4","4","4","1") = "6"
    & skf21("7","5","1","2","4","4","5","1") = "6"
    & skf21("7","5","1","2","4","4","6","1") = "6"
    & skf21("7","5","1","2","4","4","7","1") = "6"
    & skf21("7","5","1","2","4","5","1","1") = "6"
    & skf21("7","5","1","2","4","5","2","1") = "6"
    & skf21("7","5","1","2","4","5","3","1") = "6"
    & skf21("7","5","1","2","4","5","4","1") = "6"
    & skf21("7","5","1","2","4","5","5","1") = "6"
    & skf21("7","5","1","2","4","5","6","1") = "6"
    & skf21("7","5","1","2","4","5","7","1") = "6"
    & skf21("7","5","1","2","4","6","1","1") = "6"
    & skf21("7","5","1","2","4","6","2","1") = "6"
    & skf21("7","5","1","2","4","6","3","1") = "6"
    & skf21("7","5","1","2","4","6","4","1") = "6"
    & skf21("7","5","1","2","4","6","5","1") = "6"
    & skf21("7","5","1","2","4","6","6","1") = "6"
    & skf21("7","5","1","2","4","6","7","1") = "6"
    & skf21("7","5","1","2","4","7","1","1") = "6"
    & skf21("7","5","1","2","4","7","2","1") = "6"
    & skf21("7","5","1","2","4","7","3","1") = "6"
    & skf21("7","5","1","2","4","7","4","1") = "6"
    & skf21("7","5","1","2","4","7","5","1") = "6"
    & skf21("7","5","1","2","4","7","6","1") = "6"
    & skf21("7","5","1","2","4","7","7","1") = "6"
    & skf21("7","5","1","2","5","1","1","1") = "6"
    & skf21("7","5","1","2","5","1","2","1") = "6"
    & skf21("7","5","1","2","5","1","3","1") = "6"
    & skf21("7","5","1","2","5","1","4","1") = "6"
    & skf21("7","5","1","2","5","1","5","1") = "6"
    & skf21("7","5","1","2","5","1","6","1") = "6"
    & skf21("7","5","1","2","5","1","7","1") = "6"
    & skf21("7","5","1","2","5","2","1","1") = "6"
    & skf21("7","5","1","2","5","2","2","1") = "6"
    & skf21("7","5","1","2","5","2","3","1") = "6"
    & skf21("7","5","1","2","5","2","4","1") = "6"
    & skf21("7","5","1","2","5","2","5","1") = "6"
    & skf21("7","5","1","2","5","2","6","1") = "6"
    & skf21("7","5","1","2","5","2","7","1") = "6"
    & skf21("7","5","1","2","5","3","1","1") = "6"
    & skf21("7","5","1","2","5","3","2","1") = "6"
    & skf21("7","5","1","2","5","3","3","1") = "6"
    & skf21("7","5","1","2","5","3","4","1") = "6"
    & skf21("7","5","1","2","5","3","5","1") = "6"
    & skf21("7","5","1","2","5","3","6","1") = "6"
    & skf21("7","5","1","2","5","3","7","1") = "6"
    & skf21("7","5","1","2","5","4","1","1") = "6"
    & skf21("7","5","1","2","5","4","2","1") = "6"
    & skf21("7","5","1","2","5","4","3","1") = "6"
    & skf21("7","5","1","2","5","4","4","1") = "6"
    & skf21("7","5","1","2","5","4","5","1") = "6"
    & skf21("7","5","1","2","5","4","6","1") = "6"
    & skf21("7","5","1","2","5","4","7","1") = "6"
    & skf21("7","5","1","2","5","5","1","1") = "6"
    & skf21("7","5","1","2","5","5","2","1") = "6"
    & skf21("7","5","1","2","5","5","3","1") = "6"
    & skf21("7","5","1","2","5","5","4","1") = "6"
    & skf21("7","5","1","2","5","5","5","1") = "6"
    & skf21("7","5","1","2","5","5","6","1") = "6"
    & skf21("7","5","1","2","5","5","7","1") = "6"
    & skf21("7","5","1","2","5","6","1","1") = "6"
    & skf21("7","5","1","2","5","6","2","1") = "6"
    & skf21("7","5","1","2","5","6","3","1") = "6"
    & skf21("7","5","1","2","5","6","4","1") = "6"
    & skf21("7","5","1","2","5","6","5","1") = "6"
    & skf21("7","5","1","2","5","6","6","1") = "6"
    & skf21("7","5","1","2","5","6","7","1") = "6"
    & skf21("7","5","1","2","5","7","1","1") = "6"
    & skf21("7","5","1","2","5","7","2","1") = "6"
    & skf21("7","5","1","2","5","7","3","1") = "6"
    & skf21("7","5","1","2","5","7","4","1") = "6"
    & skf21("7","5","1","2","5","7","5","1") = "6"
    & skf21("7","5","1","2","5","7","6","1") = "6"
    & skf21("7","5","1","2","5","7","7","1") = "6"
    & skf21("7","5","1","2","6","1","1","1") = "6"
    & skf21("7","5","1","2","6","1","2","1") = "6"
    & skf21("7","5","1","2","6","1","3","1") = "6"
    & skf21("7","5","1","2","6","1","4","1") = "6"
    & skf21("7","5","1","2","6","1","5","1") = "6"
    & skf21("7","5","1","2","6","1","6","1") = "6"
    & skf21("7","5","1","2","6","1","7","1") = "6"
    & skf21("7","5","1","2","6","2","1","1") = "6"
    & skf21("7","5","1","2","6","2","2","1") = "6"
    & skf21("7","5","1","2","6","2","3","1") = "6"
    & skf21("7","5","1","2","6","2","4","1") = "6"
    & skf21("7","5","1","2","6","2","5","1") = "6"
    & skf21("7","5","1","2","6","2","6","1") = "6"
    & skf21("7","5","1","2","6","2","7","1") = "6"
    & skf21("7","5","1","2","6","3","1","1") = "6"
    & skf21("7","5","1","2","6","3","2","1") = "6"
    & skf21("7","5","1","2","6","3","3","1") = "6"
    & skf21("7","5","1","2","6","3","4","1") = "6"
    & skf21("7","5","1","2","6","3","5","1") = "6"
    & skf21("7","5","1","2","6","3","6","1") = "6"
    & skf21("7","5","1","2","6","3","7","1") = "6"
    & skf21("7","5","1","2","6","4","1","1") = "6"
    & skf21("7","5","1","2","6","4","2","1") = "6"
    & skf21("7","5","1","2","6","4","3","1") = "6"
    & skf21("7","5","1","2","6","4","4","1") = "6"
    & skf21("7","5","1","2","6","4","5","1") = "6"
    & skf21("7","5","1","2","6","4","6","1") = "6"
    & skf21("7","5","1","2","6","4","7","1") = "6"
    & skf21("7","5","1","2","6","5","1","1") = "6"
    & skf21("7","5","1","2","6","5","2","1") = "6"
    & skf21("7","5","1","2","6","5","3","1") = "6"
    & skf21("7","5","1","2","6","5","4","1") = "6"
    & skf21("7","5","1","2","6","5","5","1") = "6"
    & skf21("7","5","1","2","6","5","6","1") = "6"
    & skf21("7","5","1","2","6","5","7","1") = "6"
    & skf21("7","5","1","2","6","6","1","1") = "6"
    & skf21("7","5","1","2","6","6","2","1") = "6"
    & skf21("7","5","1","2","6","6","3","1") = "6"
    & skf21("7","5","1","2","6","6","4","1") = "6"
    & skf21("7","5","1","2","6","6","5","1") = "6"
    & skf21("7","5","1","2","6","6","6","1") = "6"
    & skf21("7","5","1","2","6","6","7","1") = "6"
    & skf21("7","5","1","2","6","7","1","1") = "6"
    & skf21("7","5","1","2","6","7","2","1") = "6"
    & skf21("7","5","1","2","6","7","3","1") = "6"
    & skf21("7","5","1","2","6","7","4","1") = "6"
    & skf21("7","5","1","2","6","7","5","1") = "6"
    & skf21("7","5","1","2","6","7","6","1") = "6"
    & skf21("7","5","1","2","6","7","7","1") = "6"
    & skf21("7","5","1","2","7","1","1","1") = "6"
    & skf21("7","5","1","2","7","1","2","1") = "6"
    & skf21("7","5","1","2","7","1","3","1") = "6"
    & skf21("7","5","1","2","7","1","4","1") = "6"
    & skf21("7","5","1","2","7","1","5","1") = "6"
    & skf21("7","5","1","2","7","1","6","1") = "6"
    & skf21("7","5","1","2","7","1","7","1") = "6"
    & skf21("7","5","1","2","7","2","1","1") = "6"
    & skf21("7","5","1","2","7","2","2","1") = "6"
    & skf21("7","5","1","2","7","2","3","1") = "6"
    & skf21("7","5","1","2","7","2","4","1") = "6"
    & skf21("7","5","1","2","7","2","5","1") = "6"
    & skf21("7","5","1","2","7","2","6","1") = "6"
    & skf21("7","5","1","2","7","2","7","1") = "6"
    & skf21("7","5","1","2","7","3","1","1") = "6"
    & skf21("7","5","1","2","7","3","2","1") = "6"
    & skf21("7","5","1","2","7","3","3","1") = "6"
    & skf21("7","5","1","2","7","3","4","1") = "6"
    & skf21("7","5","1","2","7","3","5","1") = "6"
    & skf21("7","5","1","2","7","3","6","1") = "6"
    & skf21("7","5","1","2","7","3","7","1") = "6"
    & skf21("7","5","1","2","7","4","1","1") = "6"
    & skf21("7","5","1","2","7","4","2","1") = "6"
    & skf21("7","5","1","2","7","4","3","1") = "6"
    & skf21("7","5","1","2","7","4","4","1") = "6"
    & skf21("7","5","1","2","7","4","5","1") = "6"
    & skf21("7","5","1","2","7","4","6","1") = "6"
    & skf21("7","5","1","2","7","4","7","1") = "6"
    & skf21("7","5","1","2","7","5","1","1") = "6"
    & skf21("7","5","1","2","7","5","2","1") = "6"
    & skf21("7","5","1","2","7","5","3","1") = "6"
    & skf21("7","5","1","2","7","5","4","1") = "6"
    & skf21("7","5","1","2","7","5","5","1") = "6"
    & skf21("7","5","1","2","7","5","6","1") = "6"
    & skf21("7","5","1","2","7","5","7","1") = "6"
    & skf21("7","5","1","2","7","6","1","1") = "6"
    & skf21("7","5","1","2","7","6","2","1") = "6"
    & skf21("7","5","1","2","7","6","3","1") = "6"
    & skf21("7","5","1","2","7","6","4","1") = "6"
    & skf21("7","5","1","2","7","6","5","1") = "6"
    & skf21("7","5","1","2","7","6","6","1") = "6"
    & skf21("7","5","1","2","7","6","7","1") = "6"
    & skf21("7","5","1","2","7","7","1","1") = "6"
    & skf21("7","5","1","2","7","7","2","1") = "6"
    & skf21("7","5","1","2","7","7","3","1") = "6"
    & skf21("7","5","1","2","7","7","4","1") = "6"
    & skf21("7","5","1","2","7","7","5","1") = "6"
    & skf21("7","5","1","2","7","7","6","1") = "6"
    & skf21("7","5","1","2","7","7","7","1") = "6"
    & skf21("7","5","1","3","1","1","1","1") = "6"
    & skf21("7","5","1","3","1","1","2","1") = "6"
    & skf21("7","5","1","3","1","1","3","1") = "6"
    & skf21("7","5","1","3","1","1","4","1") = "6"
    & skf21("7","5","1","3","1","1","5","1") = "6"
    & skf21("7","5","1","3","1","1","6","1") = "6"
    & skf21("7","5","1","3","1","1","7","1") = "6"
    & skf21("7","5","1","3","1","2","1","1") = "6"
    & skf21("7","5","1","3","1","2","2","1") = "6"
    & skf21("7","5","1","3","1","2","3","1") = "6"
    & skf21("7","5","1","3","1","2","4","1") = "6"
    & skf21("7","5","1","3","1","2","5","1") = "6"
    & skf21("7","5","1","3","1","2","6","1") = "6"
    & skf21("7","5","1","3","1","2","7","1") = "6"
    & skf21("7","5","1","3","1","3","1","1") = "6"
    & skf21("7","5","1","3","1","3","2","1") = "6"
    & skf21("7","5","1","3","1","3","3","1") = "6"
    & skf21("7","5","1","3","1","3","4","1") = "6"
    & skf21("7","5","1","3","1","3","5","1") = "6"
    & skf21("7","5","1","3","1","3","6","1") = "6"
    & skf21("7","5","1","3","1","3","7","1") = "6"
    & skf21("7","5","1","3","1","4","1","1") = "6"
    & skf21("7","5","1","3","1","4","2","1") = "6"
    & skf21("7","5","1","3","1","4","3","1") = "6"
    & skf21("7","5","1","3","1","4","4","1") = "6"
    & skf21("7","5","1","3","1","4","5","1") = "6"
    & skf21("7","5","1","3","1","4","6","1") = "6"
    & skf21("7","5","1","3","1","4","7","1") = "6"
    & skf21("7","5","1","3","1","5","1","1") = "6"
    & skf21("7","5","1","3","1","5","2","1") = "6"
    & skf21("7","5","1","3","1","5","3","1") = "6"
    & skf21("7","5","1","3","1","5","4","1") = "6"
    & skf21("7","5","1","3","1","5","5","1") = "6"
    & skf21("7","5","1","3","1","5","6","1") = "6"
    & skf21("7","5","1","3","1","5","7","1") = "6"
    & skf21("7","5","1","3","1","6","1","1") = "6"
    & skf21("7","5","1","3","1","6","2","1") = "6"
    & skf21("7","5","1","3","1","6","3","1") = "6"
    & skf21("7","5","1","3","1","6","4","1") = "6"
    & skf21("7","5","1","3","1","6","5","1") = "6"
    & skf21("7","5","1","3","1","6","6","1") = "6"
    & skf21("7","5","1","3","1","6","7","1") = "6"
    & skf21("7","5","1","3","1","7","1","1") = "6"
    & skf21("7","5","1","3","1","7","2","1") = "6"
    & skf21("7","5","1","3","1","7","3","1") = "6"
    & skf21("7","5","1","3","1","7","4","1") = "6"
    & skf21("7","5","1","3","1","7","5","1") = "6"
    & skf21("7","5","1","3","1","7","6","1") = "6"
    & skf21("7","5","1","3","1","7","7","1") = "6"
    & skf21("7","5","1","3","2","1","1","1") = "6"
    & skf21("7","5","1","3","2","1","2","1") = "6"
    & skf21("7","5","1","3","2","1","3","1") = "6"
    & skf21("7","5","1","3","2","1","4","1") = "6"
    & skf21("7","5","1","3","2","1","5","1") = "6"
    & skf21("7","5","1","3","2","1","6","1") = "6"
    & skf21("7","5","1","3","2","1","7","1") = "6"
    & skf21("7","5","1","3","2","2","1","1") = "6"
    & skf21("7","5","1","3","2","2","2","1") = "6"
    & skf21("7","5","1","3","2","2","3","1") = "6"
    & skf21("7","5","1","3","2","2","4","1") = "6"
    & skf21("7","5","1","3","2","2","5","1") = "6"
    & skf21("7","5","1","3","2","2","6","1") = "6"
    & skf21("7","5","1","3","2","2","7","1") = "6"
    & skf21("7","5","1","3","2","3","1","1") = "6"
    & skf21("7","5","1","3","2","3","2","1") = "6"
    & skf21("7","5","1","3","2","3","3","1") = "6"
    & skf21("7","5","1","3","2","3","4","1") = "6"
    & skf21("7","5","1","3","2","3","5","1") = "6"
    & skf21("7","5","1","3","2","3","6","1") = "6"
    & skf21("7","5","1","3","2","3","7","1") = "6"
    & skf21("7","5","1","3","2","4","1","1") = "6"
    & skf21("7","5","1","3","2","4","2","1") = "6"
    & skf21("7","5","1","3","2","4","3","1") = "6"
    & skf21("7","5","1","3","2","4","4","1") = "6"
    & skf21("7","5","1","3","2","4","5","1") = "6"
    & skf21("7","5","1","3","2","4","6","1") = "6"
    & skf21("7","5","1","3","2","4","7","1") = "6"
    & skf21("7","5","1","3","2","5","1","1") = "6"
    & skf21("7","5","1","3","2","5","2","1") = "6"
    & skf21("7","5","1","3","2","5","3","1") = "6"
    & skf21("7","5","1","3","2","5","4","1") = "6"
    & skf21("7","5","1","3","2","5","5","1") = "6"
    & skf21("7","5","1","3","2","5","6","1") = "6"
    & skf21("7","5","1","3","2","5","7","1") = "6"
    & skf21("7","5","1","3","2","6","1","1") = "6"
    & skf21("7","5","1","3","2","6","2","1") = "6"
    & skf21("7","5","1","3","2","6","3","1") = "6"
    & skf21("7","5","1","3","2","6","4","1") = "6"
    & skf21("7","5","1","3","2","6","5","1") = "6"
    & skf21("7","5","1","3","2","6","6","1") = "6"
    & skf21("7","5","1","3","2","6","7","1") = "6"
    & skf21("7","5","1","3","2","7","1","1") = "6"
    & skf21("7","5","1","3","2","7","2","1") = "6"
    & skf21("7","5","1","3","2","7","3","1") = "6"
    & skf21("7","5","1","3","2","7","4","1") = "6"
    & skf21("7","5","1","3","2","7","5","1") = "6"
    & skf21("7","5","1","3","2","7","6","1") = "6"
    & skf21("7","5","1","3","2","7","7","1") = "6"
    & skf21("7","5","1","3","3","1","1","1") = "6"
    & skf21("7","5","1","3","3","1","2","1") = "6"
    & skf21("7","5","1","3","3","1","3","1") = "6"
    & skf21("7","5","1","3","3","1","4","1") = "6"
    & skf21("7","5","1","3","3","1","5","1") = "6"
    & skf21("7","5","1","3","3","1","6","1") = "6"
    & skf21("7","5","1","3","3","1","7","1") = "6"
    & skf21("7","5","1","3","3","2","1","1") = "6"
    & skf21("7","5","1","3","3","2","2","1") = "6"
    & skf21("7","5","1","3","3","2","3","1") = "6"
    & skf21("7","5","1","3","3","2","4","1") = "6"
    & skf21("7","5","1","3","3","2","5","1") = "6"
    & skf21("7","5","1","3","3","2","6","1") = "6"
    & skf21("7","5","1","3","3","2","7","1") = "6"
    & skf21("7","5","1","3","3","3","1","1") = "6"
    & skf21("7","5","1","3","3","3","2","1") = "6"
    & skf21("7","5","1","3","3","3","3","1") = "6"
    & skf21("7","5","1","3","3","3","4","1") = "6"
    & skf21("7","5","1","3","3","3","5","1") = "6"
    & skf21("7","5","1","3","3","3","6","1") = "6"
    & skf21("7","5","1","3","3","3","7","1") = "6"
    & skf21("7","5","1","3","3","4","1","1") = "6"
    & skf21("7","5","1","3","3","4","2","1") = "6"
    & skf21("7","5","1","3","3","4","3","1") = "6"
    & skf21("7","5","1","3","3","4","4","1") = "6"
    & skf21("7","5","1","3","3","4","5","1") = "6"
    & skf21("7","5","1","3","3","4","6","1") = "6"
    & skf21("7","5","1","3","3","4","7","1") = "6"
    & skf21("7","5","1","3","3","5","1","1") = "6"
    & skf21("7","5","1","3","3","5","2","1") = "6"
    & skf21("7","5","1","3","3","5","3","1") = "6"
    & skf21("7","5","1","3","3","5","4","1") = "6"
    & skf21("7","5","1","3","3","5","5","1") = "6"
    & skf21("7","5","1","3","3","5","6","1") = "6"
    & skf21("7","5","1","3","3","5","7","1") = "6"
    & skf21("7","5","1","3","3","6","1","1") = "6"
    & skf21("7","5","1","3","3","6","2","1") = "6"
    & skf21("7","5","1","3","3","6","3","1") = "6"
    & skf21("7","5","1","3","3","6","4","1") = "6"
    & skf21("7","5","1","3","3","6","5","1") = "6"
    & skf21("7","5","1","3","3","6","6","1") = "6"
    & skf21("7","5","1","3","3","6","7","1") = "6"
    & skf21("7","5","1","3","3","7","1","1") = "6"
    & skf21("7","5","1","3","3","7","2","1") = "6"
    & skf21("7","5","1","3","3","7","3","1") = "6"
    & skf21("7","5","1","3","3","7","4","1") = "6"
    & skf21("7","5","1","3","3","7","5","1") = "6"
    & skf21("7","5","1","3","3","7","6","1") = "6"
    & skf21("7","5","1","3","3","7","7","1") = "6"
    & skf21("7","5","1","3","4","1","1","1") = "6"
    & skf21("7","5","1","3","4","1","2","1") = "6"
    & skf21("7","5","1","3","4","1","3","1") = "6"
    & skf21("7","5","1","3","4","1","4","1") = "6"
    & skf21("7","5","1","3","4","1","5","1") = "6"
    & skf21("7","5","1","3","4","1","6","1") = "6"
    & skf21("7","5","1","3","4","1","7","1") = "6"
    & skf21("7","5","1","3","4","2","1","1") = "6"
    & skf21("7","5","1","3","4","2","2","1") = "6"
    & skf21("7","5","1","3","4","2","3","1") = "6"
    & skf21("7","5","1","3","4","2","4","1") = "6"
    & skf21("7","5","1","3","4","2","5","1") = "6"
    & skf21("7","5","1","3","4","2","6","1") = "6"
    & skf21("7","5","1","3","4","2","7","1") = "6"
    & skf21("7","5","1","3","4","3","1","1") = "6"
    & skf21("7","5","1","3","4","3","2","1") = "6"
    & skf21("7","5","1","3","4","3","3","1") = "6"
    & skf21("7","5","1","3","4","3","4","1") = "6"
    & skf21("7","5","1","3","4","3","5","1") = "6"
    & skf21("7","5","1","3","4","3","6","1") = "6"
    & skf21("7","5","1","3","4","3","7","1") = "6"
    & skf21("7","5","1","3","4","4","1","1") = "6"
    & skf21("7","5","1","3","4","4","2","1") = "6"
    & skf21("7","5","1","3","4","4","3","1") = "6"
    & skf21("7","5","1","3","4","4","4","1") = "6"
    & skf21("7","5","1","3","4","4","5","1") = "6"
    & skf21("7","5","1","3","4","4","6","1") = "6"
    & skf21("7","5","1","3","4","4","7","1") = "6"
    & skf21("7","5","1","3","4","5","1","1") = "6"
    & skf21("7","5","1","3","4","5","2","1") = "6"
    & skf21("7","5","1","3","4","5","3","1") = "6"
    & skf21("7","5","1","3","4","5","4","1") = "6"
    & skf21("7","5","1","3","4","5","5","1") = "6"
    & skf21("7","5","1","3","4","5","6","1") = "6"
    & skf21("7","5","1","3","4","5","7","1") = "6"
    & skf21("7","5","1","3","4","6","1","1") = "6"
    & skf21("7","5","1","3","4","6","2","1") = "6"
    & skf21("7","5","1","3","4","6","3","1") = "6"
    & skf21("7","5","1","3","4","6","4","1") = "6"
    & skf21("7","5","1","3","4","6","5","1") = "6"
    & skf21("7","5","1","3","4","6","6","1") = "6"
    & skf21("7","5","1","3","4","6","7","1") = "6"
    & skf21("7","5","1","3","4","7","1","1") = "6"
    & skf21("7","5","1","3","4","7","2","1") = "6"
    & skf21("7","5","1","3","4","7","3","1") = "6"
    & skf21("7","5","1","3","4","7","4","1") = "6"
    & skf21("7","5","1","3","4","7","5","1") = "6"
    & skf21("7","5","1","3","4","7","6","1") = "6"
    & skf21("7","5","1","3","4","7","7","1") = "6"
    & skf21("7","5","1","3","5","1","1","1") = "6"
    & skf21("7","5","1","3","5","1","2","1") = "6"
    & skf21("7","5","1","3","5","1","3","1") = "6"
    & skf21("7","5","1","3","5","1","4","1") = "6"
    & skf21("7","5","1","3","5","1","5","1") = "6"
    & skf21("7","5","1","3","5","1","6","1") = "6"
    & skf21("7","5","1","3","5","1","7","1") = "6"
    & skf21("7","5","1","3","5","2","1","1") = "6"
    & skf21("7","5","1","3","5","2","2","1") = "6"
    & skf21("7","5","1","3","5","2","3","1") = "6"
    & skf21("7","5","1","3","5","2","4","1") = "6"
    & skf21("7","5","1","3","5","2","5","1") = "6"
    & skf21("7","5","1","3","5","2","6","1") = "6"
    & skf21("7","5","1","3","5","2","7","1") = "6"
    & skf21("7","5","1","3","5","3","1","1") = "6"
    & skf21("7","5","1","3","5","3","2","1") = "6"
    & skf21("7","5","1","3","5","3","3","1") = "6"
    & skf21("7","5","1","3","5","3","4","1") = "6"
    & skf21("7","5","1","3","5","3","5","1") = "6"
    & skf21("7","5","1","3","5","3","6","1") = "6"
    & skf21("7","5","1","3","5","3","7","1") = "6"
    & skf21("7","5","1","3","5","4","1","1") = "6"
    & skf21("7","5","1","3","5","4","2","1") = "6"
    & skf21("7","5","1","3","5","4","3","1") = "6"
    & skf21("7","5","1","3","5","4","4","1") = "6"
    & skf21("7","5","1","3","5","4","5","1") = "6"
    & skf21("7","5","1","3","5","4","6","1") = "6"
    & skf21("7","5","1","3","5","4","7","1") = "6"
    & skf21("7","5","1","3","5","5","1","1") = "6"
    & skf21("7","5","1","3","5","5","2","1") = "6"
    & skf21("7","5","1","3","5","5","3","1") = "6"
    & skf21("7","5","1","3","5","5","4","1") = "6"
    & skf21("7","5","1","3","5","5","5","1") = "6"
    & skf21("7","5","1","3","5","5","6","1") = "6"
    & skf21("7","5","1","3","5","5","7","1") = "6"
    & skf21("7","5","1","3","5","6","1","1") = "6"
    & skf21("7","5","1","3","5","6","2","1") = "6"
    & skf21("7","5","1","3","5","6","3","1") = "6"
    & skf21("7","5","1","3","5","6","4","1") = "6"
    & skf21("7","5","1","3","5","6","5","1") = "6"
    & skf21("7","5","1","3","5","6","6","1") = "6"
    & skf21("7","5","1","3","5","6","7","1") = "6"
    & skf21("7","5","1","3","5","7","1","1") = "6"
    & skf21("7","5","1","3","5","7","2","1") = "6"
    & skf21("7","5","1","3","5","7","3","1") = "6"
    & skf21("7","5","1","3","5","7","4","1") = "6"
    & skf21("7","5","1","3","5","7","5","1") = "6"
    & skf21("7","5","1","3","5","7","6","1") = "6"
    & skf21("7","5","1","3","5","7","7","1") = "6"
    & skf21("7","5","1","3","6","1","1","1") = "6"
    & skf21("7","5","1","3","6","1","2","1") = "6"
    & skf21("7","5","1","3","6","1","3","1") = "6"
    & skf21("7","5","1","3","6","1","4","1") = "6"
    & skf21("7","5","1","3","6","1","5","1") = "6"
    & skf21("7","5","1","3","6","1","6","1") = "6"
    & skf21("7","5","1","3","6","1","7","1") = "6"
    & skf21("7","5","1","3","6","2","1","1") = "6"
    & skf21("7","5","1","3","6","2","2","1") = "6"
    & skf21("7","5","1","3","6","2","3","1") = "6"
    & skf21("7","5","1","3","6","2","4","1") = "6"
    & skf21("7","5","1","3","6","2","5","1") = "6"
    & skf21("7","5","1","3","6","2","6","1") = "6"
    & skf21("7","5","1","3","6","2","7","1") = "6"
    & skf21("7","5","1","3","6","3","1","1") = "6"
    & skf21("7","5","1","3","6","3","2","1") = "6"
    & skf21("7","5","1","3","6","3","3","1") = "6"
    & skf21("7","5","1","3","6","3","4","1") = "6"
    & skf21("7","5","1","3","6","3","5","1") = "6"
    & skf21("7","5","1","3","6","3","6","1") = "6"
    & skf21("7","5","1","3","6","3","7","1") = "6"
    & skf21("7","5","1","3","6","4","1","1") = "6"
    & skf21("7","5","1","3","6","4","2","1") = "6"
    & skf21("7","5","1","3","6","4","3","1") = "6"
    & skf21("7","5","1","3","6","4","4","1") = "6"
    & skf21("7","5","1","3","6","4","5","1") = "6"
    & skf21("7","5","1","3","6","4","6","1") = "6"
    & skf21("7","5","1","3","6","4","7","1") = "6"
    & skf21("7","5","1","3","6","5","1","1") = "6"
    & skf21("7","5","1","3","6","5","2","1") = "6"
    & skf21("7","5","1","3","6","5","3","1") = "6"
    & skf21("7","5","1","3","6","5","4","1") = "6"
    & skf21("7","5","1","3","6","5","5","1") = "6"
    & skf21("7","5","1","3","6","5","6","1") = "6"
    & skf21("7","5","1","3","6","5","7","1") = "6"
    & skf21("7","5","1","3","6","6","1","1") = "6"
    & skf21("7","5","1","3","6","6","2","1") = "6"
    & skf21("7","5","1","3","6","6","3","1") = "6"
    & skf21("7","5","1","3","6","6","4","1") = "6"
    & skf21("7","5","1","3","6","6","5","1") = "6"
    & skf21("7","5","1","3","6","6","6","1") = "6"
    & skf21("7","5","1","3","6","6","7","1") = "6"
    & skf21("7","5","1","3","6","7","1","1") = "6"
    & skf21("7","5","1","3","6","7","2","1") = "6"
    & skf21("7","5","1","3","6","7","3","1") = "6"
    & skf21("7","5","1","3","6","7","4","1") = "6"
    & skf21("7","5","1","3","6","7","5","1") = "6"
    & skf21("7","5","1","3","6","7","6","1") = "6"
    & skf21("7","5","1","3","6","7","7","1") = "6"
    & skf21("7","5","1","3","7","1","1","1") = "6"
    & skf21("7","5","1","3","7","1","2","1") = "6"
    & skf21("7","5","1","3","7","1","3","1") = "6"
    & skf21("7","5","1","3","7","1","4","1") = "6"
    & skf21("7","5","1","3","7","1","5","1") = "6"
    & skf21("7","5","1","3","7","1","6","1") = "6"
    & skf21("7","5","1","3","7","1","7","1") = "6"
    & skf21("7","5","1","3","7","2","1","1") = "6"
    & skf21("7","5","1","3","7","2","2","1") = "6"
    & skf21("7","5","1","3","7","2","3","1") = "6"
    & skf21("7","5","1","3","7","2","4","1") = "6"
    & skf21("7","5","1","3","7","2","5","1") = "6"
    & skf21("7","5","1","3","7","2","6","1") = "6"
    & skf21("7","5","1","3","7","2","7","1") = "6"
    & skf21("7","5","1","3","7","3","1","1") = "6"
    & skf21("7","5","1","3","7","3","2","1") = "6"
    & skf21("7","5","1","3","7","3","3","1") = "6"
    & skf21("7","5","1","3","7","3","4","1") = "6"
    & skf21("7","5","1","3","7","3","5","1") = "6"
    & skf21("7","5","1","3","7","3","6","1") = "6"
    & skf21("7","5","1","3","7","3","7","1") = "6"
    & skf21("7","5","1","3","7","4","1","1") = "6"
    & skf21("7","5","1","3","7","4","2","1") = "6"
    & skf21("7","5","1","3","7","4","3","1") = "6"
    & skf21("7","5","1","3","7","4","4","1") = "6"
    & skf21("7","5","1","3","7","4","5","1") = "6"
    & skf21("7","5","1","3","7","4","6","1") = "6"
    & skf21("7","5","1","3","7","4","7","1") = "6"
    & skf21("7","5","1","3","7","5","1","1") = "6"
    & skf21("7","5","1","3","7","5","2","1") = "6"
    & skf21("7","5","1","3","7","5","3","1") = "6"
    & skf21("7","5","1","3","7","5","4","1") = "6"
    & skf21("7","5","1","3","7","5","5","1") = "6"
    & skf21("7","5","1","3","7","5","6","1") = "6"
    & skf21("7","5","1","3","7","5","7","1") = "6"
    & skf21("7","5","1","3","7","6","1","1") = "6"
    & skf21("7","5","1","3","7","6","2","1") = "6"
    & skf21("7","5","1","3","7","6","3","1") = "6"
    & skf21("7","5","1","3","7","6","4","1") = "6"
    & skf21("7","5","1","3","7","6","5","1") = "6"
    & skf21("7","5","1","3","7","6","6","1") = "6"
    & skf21("7","5","1","3","7","6","7","1") = "6"
    & skf21("7","5","1","3","7","7","1","1") = "6"
    & skf21("7","5","1","3","7","7","2","1") = "6"
    & skf21("7","5","1","3","7","7","3","1") = "6"
    & skf21("7","5","1","3","7","7","4","1") = "6"
    & skf21("7","5","1","3","7","7","5","1") = "6"
    & skf21("7","5","1","3","7","7","6","1") = "6"
    & skf21("7","5","1","3","7","7","7","1") = "6"
    & skf21("7","5","1","4","1","1","1","1") = "6"
    & skf21("7","5","1","4","1","1","2","1") = "6"
    & skf21("7","5","1","4","1","1","3","1") = "6"
    & skf21("7","5","1","4","1","1","4","1") = "6"
    & skf21("7","5","1","4","1","1","5","1") = "6"
    & skf21("7","5","1","4","1","1","6","1") = "6"
    & skf21("7","5","1","4","1","1","7","1") = "6"
    & skf21("7","5","1","4","1","2","1","1") = "6"
    & skf21("7","5","1","4","1","2","2","1") = "6"
    & skf21("7","5","1","4","1","2","3","1") = "6"
    & skf21("7","5","1","4","1","2","4","1") = "6"
    & skf21("7","5","1","4","1","2","5","1") = "6"
    & skf21("7","5","1","4","1","2","6","1") = "6"
    & skf21("7","5","1","4","1","2","7","1") = "6"
    & skf21("7","5","1","4","1","3","1","1") = "6"
    & skf21("7","5","1","4","1","3","2","1") = "6"
    & skf21("7","5","1","4","1","3","3","1") = "6"
    & skf21("7","5","1","4","1","3","4","1") = "6"
    & skf21("7","5","1","4","1","3","5","1") = "6"
    & skf21("7","5","1","4","1","3","6","1") = "6"
    & skf21("7","5","1","4","1","3","7","1") = "6"
    & skf21("7","5","1","4","1","4","1","1") = "6"
    & skf21("7","5","1","4","1","4","2","1") = "6"
    & skf21("7","5","1","4","1","4","3","1") = "6"
    & skf21("7","5","1","4","1","4","4","1") = "6"
    & skf21("7","5","1","4","1","4","5","1") = "6"
    & skf21("7","5","1","4","1","4","6","1") = "6"
    & skf21("7","5","1","4","1","4","7","1") = "6"
    & skf21("7","5","1","4","1","5","1","1") = "6"
    & skf21("7","5","1","4","1","5","2","1") = "6"
    & skf21("7","5","1","4","1","5","3","1") = "6"
    & skf21("7","5","1","4","1","5","4","1") = "6"
    & skf21("7","5","1","4","1","5","5","1") = "6"
    & skf21("7","5","1","4","1","5","6","1") = "6"
    & skf21("7","5","1","4","1","5","7","1") = "6"
    & skf21("7","5","1","4","1","6","1","1") = "6"
    & skf21("7","5","1","4","1","6","2","1") = "6"
    & skf21("7","5","1","4","1","6","3","1") = "6"
    & skf21("7","5","1","4","1","6","4","1") = "6"
    & skf21("7","5","1","4","1","6","5","1") = "6"
    & skf21("7","5","1","4","1","6","6","1") = "6"
    & skf21("7","5","1","4","1","6","7","1") = "6"
    & skf21("7","5","1","4","1","7","1","1") = "6"
    & skf21("7","5","1","4","1","7","2","1") = "6"
    & skf21("7","5","1","4","1","7","3","1") = "6"
    & skf21("7","5","1","4","1","7","4","1") = "6"
    & skf21("7","5","1","4","1","7","5","1") = "6"
    & skf21("7","5","1","4","1","7","6","1") = "6"
    & skf21("7","5","1","4","1","7","7","1") = "6"
    & skf21("7","5","1","4","2","1","1","1") = "6"
    & skf21("7","5","1","4","2","1","2","1") = "6"
    & skf21("7","5","1","4","2","1","3","1") = "6"
    & skf21("7","5","1","4","2","1","4","1") = "6"
    & skf21("7","5","1","4","2","1","5","1") = "6"
    & skf21("7","5","1","4","2","1","6","1") = "6"
    & skf21("7","5","1","4","2","1","7","1") = "6"
    & skf21("7","5","1","4","2","2","1","1") = "6"
    & skf21("7","5","1","4","2","2","2","1") = "6"
    & skf21("7","5","1","4","2","2","3","1") = "6"
    & skf21("7","5","1","4","2","2","4","1") = "6"
    & skf21("7","5","1","4","2","2","5","1") = "6"
    & skf21("7","5","1","4","2","2","6","1") = "6"
    & skf21("7","5","1","4","2","2","7","1") = "6"
    & skf21("7","5","1","4","2","3","1","1") = "6"
    & skf21("7","5","1","4","2","3","2","1") = "6"
    & skf21("7","5","1","4","2","3","3","1") = "6"
    & skf21("7","5","1","4","2","3","4","1") = "6"
    & skf21("7","5","1","4","2","3","5","1") = "6"
    & skf21("7","5","1","4","2","3","6","1") = "6"
    & skf21("7","5","1","4","2","3","7","1") = "6"
    & skf21("7","5","1","4","2","4","1","1") = "6"
    & skf21("7","5","1","4","2","4","2","1") = "6"
    & skf21("7","5","1","4","2","4","3","1") = "6"
    & skf21("7","5","1","4","2","4","4","1") = "6"
    & skf21("7","5","1","4","2","4","5","1") = "6"
    & skf21("7","5","1","4","2","4","6","1") = "6"
    & skf21("7","5","1","4","2","4","7","1") = "6"
    & skf21("7","5","1","4","2","5","1","1") = "6"
    & skf21("7","5","1","4","2","5","2","1") = "6"
    & skf21("7","5","1","4","2","5","3","1") = "6"
    & skf21("7","5","1","4","2","5","4","1") = "6"
    & skf21("7","5","1","4","2","5","5","1") = "6"
    & skf21("7","5","1","4","2","5","6","1") = "6"
    & skf21("7","5","1","4","2","5","7","1") = "6"
    & skf21("7","5","1","4","2","6","1","1") = "6"
    & skf21("7","5","1","4","2","6","2","1") = "6"
    & skf21("7","5","1","4","2","6","3","1") = "6"
    & skf21("7","5","1","4","2","6","4","1") = "6"
    & skf21("7","5","1","4","2","6","5","1") = "6"
    & skf21("7","5","1","4","2","6","6","1") = "6"
    & skf21("7","5","1","4","2","6","7","1") = "6"
    & skf21("7","5","1","4","2","7","1","1") = "6"
    & skf21("7","5","1","4","2","7","2","1") = "6"
    & skf21("7","5","1","4","2","7","3","1") = "6"
    & skf21("7","5","1","4","2","7","4","1") = "6"
    & skf21("7","5","1","4","2","7","5","1") = "6"
    & skf21("7","5","1","4","2","7","6","1") = "6"
    & skf21("7","5","1","4","2","7","7","1") = "6"
    & skf21("7","5","1","4","3","1","1","1") = "6"
    & skf21("7","5","1","4","3","1","2","1") = "6"
    & skf21("7","5","1","4","3","1","3","1") = "6"
    & skf21("7","5","1","4","3","1","4","1") = "6"
    & skf21("7","5","1","4","3","1","5","1") = "6"
    & skf21("7","5","1","4","3","1","6","1") = "6"
    & skf21("7","5","1","4","3","1","7","1") = "6"
    & skf21("7","5","1","4","3","2","1","1") = "6"
    & skf21("7","5","1","4","3","2","2","1") = "6"
    & skf21("7","5","1","4","3","2","3","1") = "6"
    & skf21("7","5","1","4","3","2","4","1") = "6"
    & skf21("7","5","1","4","3","2","5","1") = "6"
    & skf21("7","5","1","4","3","2","6","1") = "6"
    & skf21("7","5","1","4","3","2","7","1") = "6"
    & skf21("7","5","1","4","3","3","1","1") = "6"
    & skf21("7","5","1","4","3","3","2","1") = "6"
    & skf21("7","5","1","4","3","3","3","1") = "6"
    & skf21("7","5","1","4","3","3","4","1") = "6"
    & skf21("7","5","1","4","3","3","5","1") = "6"
    & skf21("7","5","1","4","3","3","6","1") = "6"
    & skf21("7","5","1","4","3","3","7","1") = "6"
    & skf21("7","5","1","4","3","4","1","1") = "6"
    & skf21("7","5","1","4","3","4","2","1") = "6"
    & skf21("7","5","1","4","3","4","3","1") = "6"
    & skf21("7","5","1","4","3","4","4","1") = "6"
    & skf21("7","5","1","4","3","4","5","1") = "6"
    & skf21("7","5","1","4","3","4","6","1") = "6"
    & skf21("7","5","1","4","3","4","7","1") = "6"
    & skf21("7","5","1","4","3","5","1","1") = "6"
    & skf21("7","5","1","4","3","5","2","1") = "6"
    & skf21("7","5","1","4","3","5","3","1") = "6"
    & skf21("7","5","1","4","3","5","4","1") = "6"
    & skf21("7","5","1","4","3","5","5","1") = "6"
    & skf21("7","5","1","4","3","5","6","1") = "6"
    & skf21("7","5","1","4","3","5","7","1") = "6"
    & skf21("7","5","1","4","3","6","1","1") = "6"
    & skf21("7","5","1","4","3","6","2","1") = "6"
    & skf21("7","5","1","4","3","6","3","1") = "6"
    & skf21("7","5","1","4","3","6","4","1") = "6"
    & skf21("7","5","1","4","3","6","5","1") = "6"
    & skf21("7","5","1","4","3","6","6","1") = "6"
    & skf21("7","5","1","4","3","6","7","1") = "6"
    & skf21("7","5","1","4","3","7","1","1") = "6"
    & skf21("7","5","1","4","3","7","2","1") = "6"
    & skf21("7","5","1","4","3","7","3","1") = "6"
    & skf21("7","5","1","4","3","7","4","1") = "6"
    & skf21("7","5","1","4","3","7","5","1") = "6"
    & skf21("7","5","1","4","3","7","6","1") = "6"
    & skf21("7","5","1","4","3","7","7","1") = "6"
    & skf21("7","5","1","4","4","1","1","1") = "6"
    & skf21("7","5","1","4","4","1","2","1") = "6"
    & skf21("7","5","1","4","4","1","3","1") = "6"
    & skf21("7","5","1","4","4","1","4","1") = "6"
    & skf21("7","5","1","4","4","1","5","1") = "6"
    & skf21("7","5","1","4","4","1","6","1") = "6"
    & skf21("7","5","1","4","4","1","7","1") = "6"
    & skf21("7","5","1","4","4","2","1","1") = "6"
    & skf21("7","5","1","4","4","2","2","1") = "6"
    & skf21("7","5","1","4","4","2","3","1") = "6"
    & skf21("7","5","1","4","4","2","4","1") = "6"
    & skf21("7","5","1","4","4","2","5","1") = "6"
    & skf21("7","5","1","4","4","2","6","1") = "6"
    & skf21("7","5","1","4","4","2","7","1") = "6"
    & skf21("7","5","1","4","4","3","1","1") = "6"
    & skf21("7","5","1","4","4","3","2","1") = "6"
    & skf21("7","5","1","4","4","3","3","1") = "6"
    & skf21("7","5","1","4","4","3","4","1") = "6"
    & skf21("7","5","1","4","4","3","5","1") = "6"
    & skf21("7","5","1","4","4","3","6","1") = "6"
    & skf21("7","5","1","4","4","3","7","1") = "6"
    & skf21("7","5","1","4","4","4","1","1") = "6"
    & skf21("7","5","1","4","4","4","2","1") = "6"
    & skf21("7","5","1","4","4","4","3","1") = "6"
    & skf21("7","5","1","4","4","4","4","1") = "6"
    & skf21("7","5","1","4","4","4","5","1") = "6"
    & skf21("7","5","1","4","4","4","6","1") = "6"
    & skf21("7","5","1","4","4","4","7","1") = "6"
    & skf21("7","5","1","4","4","5","1","1") = "6"
    & skf21("7","5","1","4","4","5","2","1") = "6"
    & skf21("7","5","1","4","4","5","3","1") = "6"
    & skf21("7","5","1","4","4","5","4","1") = "6"
    & skf21("7","5","1","4","4","5","5","1") = "6"
    & skf21("7","5","1","4","4","5","6","1") = "6"
    & skf21("7","5","1","4","4","5","7","1") = "6"
    & skf21("7","5","1","4","4","6","1","1") = "6"
    & skf21("7","5","1","4","4","6","2","1") = "6"
    & skf21("7","5","1","4","4","6","3","1") = "6"
    & skf21("7","5","1","4","4","6","4","1") = "6"
    & skf21("7","5","1","4","4","6","5","1") = "6"
    & skf21("7","5","1","4","4","6","6","1") = "6"
    & skf21("7","5","1","4","4","6","7","1") = "6"
    & skf21("7","5","1","4","4","7","1","1") = "6"
    & skf21("7","5","1","4","4","7","2","1") = "6"
    & skf21("7","5","1","4","4","7","3","1") = "6"
    & skf21("7","5","1","4","4","7","4","1") = "6"
    & skf21("7","5","1","4","4","7","5","1") = "6"
    & skf21("7","5","1","4","4","7","6","1") = "6"
    & skf21("7","5","1","4","4","7","7","1") = "6"
    & skf21("7","5","1","4","5","1","1","1") = "6"
    & skf21("7","5","1","4","5","1","2","1") = "6"
    & skf21("7","5","1","4","5","1","3","1") = "6"
    & skf21("7","5","1","4","5","1","4","1") = "6"
    & skf21("7","5","1","4","5","1","5","1") = "6"
    & skf21("7","5","1","4","5","1","6","1") = "6"
    & skf21("7","5","1","4","5","1","7","1") = "6"
    & skf21("7","5","1","4","5","2","1","1") = "6"
    & skf21("7","5","1","4","5","2","2","1") = "6"
    & skf21("7","5","1","4","5","2","3","1") = "6"
    & skf21("7","5","1","4","5","2","4","1") = "6"
    & skf21("7","5","1","4","5","2","5","1") = "6"
    & skf21("7","5","1","4","5","2","6","1") = "6"
    & skf21("7","5","1","4","5","2","7","1") = "6"
    & skf21("7","5","1","4","5","3","1","1") = "6"
    & skf21("7","5","1","4","5","3","2","1") = "6"
    & skf21("7","5","1","4","5","3","3","1") = "6"
    & skf21("7","5","1","4","5","3","4","1") = "6"
    & skf21("7","5","1","4","5","3","5","1") = "6"
    & skf21("7","5","1","4","5","3","6","1") = "6"
    & skf21("7","5","1","4","5","3","7","1") = "6"
    & skf21("7","5","1","4","5","4","1","1") = "6"
    & skf21("7","5","1","4","5","4","2","1") = "6"
    & skf21("7","5","1","4","5","4","3","1") = "6"
    & skf21("7","5","1","4","5","4","4","1") = "6"
    & skf21("7","5","1","4","5","4","5","1") = "6"
    & skf21("7","5","1","4","5","4","6","1") = "6"
    & skf21("7","5","1","4","5","4","7","1") = "6"
    & skf21("7","5","1","4","5","5","1","1") = "6"
    & skf21("7","5","1","4","5","5","2","1") = "6"
    & skf21("7","5","1","4","5","5","3","1") = "6"
    & skf21("7","5","1","4","5","5","4","1") = "6"
    & skf21("7","5","1","4","5","5","5","1") = "6"
    & skf21("7","5","1","4","5","5","6","1") = "6"
    & skf21("7","5","1","4","5","5","7","1") = "6"
    & skf21("7","5","1","4","5","6","1","1") = "6"
    & skf21("7","5","1","4","5","6","2","1") = "6"
    & skf21("7","5","1","4","5","6","3","1") = "6"
    & skf21("7","5","1","4","5","6","4","1") = "6"
    & skf21("7","5","1","4","5","6","5","1") = "6"
    & skf21("7","5","1","4","5","6","6","1") = "6"
    & skf21("7","5","1","4","5","6","7","1") = "6"
    & skf21("7","5","1","4","5","7","1","1") = "6"
    & skf21("7","5","1","4","5","7","2","1") = "6"
    & skf21("7","5","1","4","5","7","3","1") = "6"
    & skf21("7","5","1","4","5","7","4","1") = "6"
    & skf21("7","5","1","4","5","7","5","1") = "6"
    & skf21("7","5","1","4","5","7","6","1") = "6"
    & skf21("7","5","1","4","5","7","7","1") = "6"
    & skf21("7","5","1","4","6","1","1","1") = "6"
    & skf21("7","5","1","4","6","1","2","1") = "6"
    & skf21("7","5","1","4","6","1","3","1") = "6"
    & skf21("7","5","1","4","6","1","4","1") = "6"
    & skf21("7","5","1","4","6","1","5","1") = "6"
    & skf21("7","5","1","4","6","1","6","1") = "6"
    & skf21("7","5","1","4","6","1","7","1") = "6"
    & skf21("7","5","1","4","6","2","1","1") = "6"
    & skf21("7","5","1","4","6","2","2","1") = "6"
    & skf21("7","5","1","4","6","2","3","1") = "6"
    & skf21("7","5","1","4","6","2","4","1") = "6"
    & skf21("7","5","1","4","6","2","5","1") = "6"
    & skf21("7","5","1","4","6","2","6","1") = "6"
    & skf21("7","5","1","4","6","2","7","1") = "6"
    & skf21("7","5","1","4","6","3","1","1") = "6"
    & skf21("7","5","1","4","6","3","2","1") = "6"
    & skf21("7","5","1","4","6","3","3","1") = "6"
    & skf21("7","5","1","4","6","3","4","1") = "6"
    & skf21("7","5","1","4","6","3","5","1") = "6"
    & skf21("7","5","1","4","6","3","6","1") = "6"
    & skf21("7","5","1","4","6","3","7","1") = "6"
    & skf21("7","5","1","4","6","4","1","1") = "6"
    & skf21("7","5","1","4","6","4","2","1") = "6"
    & skf21("7","5","1","4","6","4","3","1") = "6"
    & skf21("7","5","1","4","6","4","4","1") = "6"
    & skf21("7","5","1","4","6","4","5","1") = "6"
    & skf21("7","5","1","4","6","4","6","1") = "6"
    & skf21("7","5","1","4","6","4","7","1") = "6"
    & skf21("7","5","1","4","6","5","1","1") = "6"
    & skf21("7","5","1","4","6","5","2","1") = "6"
    & skf21("7","5","1","4","6","5","3","1") = "6"
    & skf21("7","5","1","4","6","5","4","1") = "6"
    & skf21("7","5","1","4","6","5","5","1") = "6"
    & skf21("7","5","1","4","6","5","6","1") = "6"
    & skf21("7","5","1","4","6","5","7","1") = "6"
    & skf21("7","5","1","4","6","6","1","1") = "6"
    & skf21("7","5","1","4","6","6","2","1") = "6"
    & skf21("7","5","1","4","6","6","3","1") = "6"
    & skf21("7","5","1","4","6","6","4","1") = "6"
    & skf21("7","5","1","4","6","6","5","1") = "6"
    & skf21("7","5","1","4","6","6","6","1") = "6"
    & skf21("7","5","1","4","6","6","7","1") = "6"
    & skf21("7","5","1","4","6","7","1","1") = "6"
    & skf21("7","5","1","4","6","7","2","1") = "6"
    & skf21("7","5","1","4","6","7","3","1") = "6"
    & skf21("7","5","1","4","6","7","4","1") = "6"
    & skf21("7","5","1","4","6","7","5","1") = "6"
    & skf21("7","5","1","4","6","7","6","1") = "6"
    & skf21("7","5","1","4","6","7","7","1") = "6"
    & skf21("7","5","1","4","7","1","1","1") = "6"
    & skf21("7","5","1","4","7","1","2","1") = "6"
    & skf21("7","5","1","4","7","1","3","1") = "6"
    & skf21("7","5","1","4","7","1","4","1") = "6"
    & skf21("7","5","1","4","7","1","5","1") = "6"
    & skf21("7","5","1","4","7","1","6","1") = "6"
    & skf21("7","5","1","4","7","1","7","1") = "6"
    & skf21("7","5","1","4","7","2","1","1") = "6"
    & skf21("7","5","1","4","7","2","2","1") = "6"
    & skf21("7","5","1","4","7","2","3","1") = "6"
    & skf21("7","5","1","4","7","2","4","1") = "6"
    & skf21("7","5","1","4","7","2","5","1") = "6"
    & skf21("7","5","1","4","7","2","6","1") = "6"
    & skf21("7","5","1","4","7","2","7","1") = "6"
    & skf21("7","5","1","4","7","3","1","1") = "6"
    & skf21("7","5","1","4","7","3","2","1") = "6"
    & skf21("7","5","1","4","7","3","3","1") = "6"
    & skf21("7","5","1","4","7","3","4","1") = "6"
    & skf21("7","5","1","4","7","3","5","1") = "6"
    & skf21("7","5","1","4","7","3","6","1") = "6"
    & skf21("7","5","1","4","7","3","7","1") = "6"
    & skf21("7","5","1","4","7","4","1","1") = "6"
    & skf21("7","5","1","4","7","4","2","1") = "6"
    & skf21("7","5","1","4","7","4","3","1") = "6"
    & skf21("7","5","1","4","7","4","4","1") = "6"
    & skf21("7","5","1","4","7","4","5","1") = "6"
    & skf21("7","5","1","4","7","4","6","1") = "6"
    & skf21("7","5","1","4","7","4","7","1") = "6"
    & skf21("7","5","1","4","7","5","1","1") = "6"
    & skf21("7","5","1","4","7","5","2","1") = "6"
    & skf21("7","5","1","4","7","5","3","1") = "6"
    & skf21("7","5","1","4","7","5","4","1") = "6"
    & skf21("7","5","1","4","7","5","5","1") = "6"
    & skf21("7","5","1","4","7","5","6","1") = "6"
    & skf21("7","5","1","4","7","5","7","1") = "6"
    & skf21("7","5","1","4","7","6","1","1") = "6"
    & skf21("7","5","1","4","7","6","2","1") = "6"
    & skf21("7","5","1","4","7","6","3","1") = "6"
    & skf21("7","5","1","4","7","6","4","1") = "6"
    & skf21("7","5","1","4","7","6","5","1") = "6"
    & skf21("7","5","1","4","7","6","6","1") = "6"
    & skf21("7","5","1","4","7","6","7","1") = "6"
    & skf21("7","5","1","4","7","7","1","1") = "6"
    & skf21("7","5","1","4","7","7","2","1") = "6"
    & skf21("7","5","1","4","7","7","3","1") = "6"
    & skf21("7","5","1","4","7","7","4","1") = "6"
    & skf21("7","5","1","4","7","7","5","1") = "6"
    & skf21("7","5","1","4","7","7","6","1") = "6"
    & skf21("7","5","1","4","7","7","7","1") = "6"
    & skf21("7","5","1","5","1","1","1","1") = "6"
    & skf21("7","5","1","5","1","1","2","1") = "6"
    & skf21("7","5","1","5","1","1","3","1") = "6"
    & skf21("7","5","1","5","1","1","4","1") = "6"
    & skf21("7","5","1","5","1","1","5","1") = "6"
    & skf21("7","5","1","5","1","1","6","1") = "6"
    & skf21("7","5","1","5","1","1","7","1") = "6"
    & skf21("7","5","1","5","1","2","1","1") = "6"
    & skf21("7","5","1","5","1","2","2","1") = "6"
    & skf21("7","5","1","5","1","2","3","1") = "6"
    & skf21("7","5","1","5","1","2","4","1") = "6"
    & skf21("7","5","1","5","1","2","5","1") = "6"
    & skf21("7","5","1","5","1","2","6","1") = "6"
    & skf21("7","5","1","5","1","2","7","1") = "6"
    & skf21("7","5","1","5","1","3","1","1") = "6"
    & skf21("7","5","1","5","1","3","2","1") = "6"
    & skf21("7","5","1","5","1","3","3","1") = "6"
    & skf21("7","5","1","5","1","3","4","1") = "6"
    & skf21("7","5","1","5","1","3","5","1") = "6"
    & skf21("7","5","1","5","1","3","6","1") = "6"
    & skf21("7","5","1","5","1","3","7","1") = "6"
    & skf21("7","5","1","5","1","4","1","1") = "6"
    & skf21("7","5","1","5","1","4","2","1") = "6"
    & skf21("7","5","1","5","1","4","3","1") = "6"
    & skf21("7","5","1","5","1","4","4","1") = "6"
    & skf21("7","5","1","5","1","4","5","1") = "6"
    & skf21("7","5","1","5","1","4","6","1") = "6"
    & skf21("7","5","1","5","1","4","7","1") = "6"
    & skf21("7","5","1","5","1","5","1","1") = "6"
    & skf21("7","5","1","5","1","5","2","1") = "6"
    & skf21("7","5","1","5","1","5","3","1") = "6"
    & skf21("7","5","1","5","1","5","4","1") = "6"
    & skf21("7","5","1","5","1","5","5","1") = "6"
    & skf21("7","5","1","5","1","5","6","1") = "6"
    & skf21("7","5","1","5","1","5","7","1") = "6"
    & skf21("7","5","1","5","1","6","1","1") = "6"
    & skf21("7","5","1","5","1","6","2","1") = "6"
    & skf21("7","5","1","5","1","6","3","1") = "6"
    & skf21("7","5","1","5","1","6","4","1") = "6"
    & skf21("7","5","1","5","1","6","5","1") = "6"
    & skf21("7","5","1","5","1","6","6","1") = "6"
    & skf21("7","5","1","5","1","6","7","1") = "6"
    & skf21("7","5","1","5","1","7","1","1") = "6"
    & skf21("7","5","1","5","1","7","2","1") = "6"
    & skf21("7","5","1","5","1","7","3","1") = "6"
    & skf21("7","5","1","5","1","7","4","1") = "6"
    & skf21("7","5","1","5","1","7","5","1") = "6"
    & skf21("7","5","1","5","1","7","6","1") = "6"
    & skf21("7","5","1","5","1","7","7","1") = "6"
    & skf21("7","5","1","5","2","1","1","1") = "6"
    & skf21("7","5","1","5","2","1","2","1") = "6"
    & skf21("7","5","1","5","2","1","3","1") = "6"
    & skf21("7","5","1","5","2","1","4","1") = "6"
    & skf21("7","5","1","5","2","1","5","1") = "6"
    & skf21("7","5","1","5","2","1","6","1") = "6"
    & skf21("7","5","1","5","2","1","7","1") = "6"
    & skf21("7","5","1","5","2","2","1","1") = "6"
    & skf21("7","5","1","5","2","2","2","1") = "6"
    & skf21("7","5","1","5","2","2","3","1") = "6"
    & skf21("7","5","1","5","2","2","4","1") = "6"
    & skf21("7","5","1","5","2","2","5","1") = "6"
    & skf21("7","5","1","5","2","2","6","1") = "6"
    & skf21("7","5","1","5","2","2","7","1") = "6"
    & skf21("7","5","1","5","2","3","1","1") = "6"
    & skf21("7","5","1","5","2","3","2","1") = "6"
    & skf21("7","5","1","5","2","3","3","1") = "6"
    & skf21("7","5","1","5","2","3","4","1") = "6"
    & skf21("7","5","1","5","2","3","5","1") = "6"
    & skf21("7","5","1","5","2","3","6","1") = "6"
    & skf21("7","5","1","5","2","3","7","1") = "6"
    & skf21("7","5","1","5","2","4","1","1") = "6"
    & skf21("7","5","1","5","2","4","2","1") = "6"
    & skf21("7","5","1","5","2","4","3","1") = "6"
    & skf21("7","5","1","5","2","4","4","1") = "6"
    & skf21("7","5","1","5","2","4","5","1") = "6"
    & skf21("7","5","1","5","2","4","6","1") = "6"
    & skf21("7","5","1","5","2","4","7","1") = "6"
    & skf21("7","5","1","5","2","5","1","1") = "6"
    & skf21("7","5","1","5","2","5","2","1") = "6"
    & skf21("7","5","1","5","2","5","3","1") = "6"
    & skf21("7","5","1","5","2","5","4","1") = "6"
    & skf21("7","5","1","5","2","5","5","1") = "6"
    & skf21("7","5","1","5","2","5","6","1") = "6"
    & skf21("7","5","1","5","2","5","7","1") = "6"
    & skf21("7","5","1","5","2","6","1","1") = "6"
    & skf21("7","5","1","5","2","6","2","1") = "6"
    & skf21("7","5","1","5","2","6","3","1") = "6"
    & skf21("7","5","1","5","2","6","4","1") = "6"
    & skf21("7","5","1","5","2","6","5","1") = "6"
    & skf21("7","5","1","5","2","6","6","1") = "6"
    & skf21("7","5","1","5","2","6","7","1") = "6"
    & skf21("7","5","1","5","2","7","1","1") = "6"
    & skf21("7","5","1","5","2","7","2","1") = "6"
    & skf21("7","5","1","5","2","7","3","1") = "6"
    & skf21("7","5","1","5","2","7","4","1") = "6"
    & skf21("7","5","1","5","2","7","5","1") = "6"
    & skf21("7","5","1","5","2","7","6","1") = "6"
    & skf21("7","5","1","5","2","7","7","1") = "6"
    & skf21("7","5","1","5","3","1","1","1") = "6"
    & skf21("7","5","1","5","3","1","2","1") = "6"
    & skf21("7","5","1","5","3","1","3","1") = "6"
    & skf21("7","5","1","5","3","1","4","1") = "6"
    & skf21("7","5","1","5","3","1","5","1") = "6"
    & skf21("7","5","1","5","3","1","6","1") = "6"
    & skf21("7","5","1","5","3","1","7","1") = "6"
    & skf21("7","5","1","5","3","2","1","1") = "6"
    & skf21("7","5","1","5","3","2","2","1") = "6"
    & skf21("7","5","1","5","3","2","3","1") = "6"
    & skf21("7","5","1","5","3","2","4","1") = "6"
    & skf21("7","5","1","5","3","2","5","1") = "6"
    & skf21("7","5","1","5","3","2","6","1") = "6"
    & skf21("7","5","1","5","3","2","7","1") = "6"
    & skf21("7","5","1","5","3","3","1","1") = "6"
    & skf21("7","5","1","5","3","3","2","1") = "6"
    & skf21("7","5","1","5","3","3","3","1") = "6"
    & skf21("7","5","1","5","3","3","4","1") = "6"
    & skf21("7","5","1","5","3","3","5","1") = "6"
    & skf21("7","5","1","5","3","3","6","1") = "6"
    & skf21("7","5","1","5","3","3","7","1") = "6"
    & skf21("7","5","1","5","3","4","1","1") = "6"
    & skf21("7","5","1","5","3","4","2","1") = "6"
    & skf21("7","5","1","5","3","4","3","1") = "6"
    & skf21("7","5","1","5","3","4","4","1") = "6"
    & skf21("7","5","1","5","3","4","5","1") = "6"
    & skf21("7","5","1","5","3","4","6","1") = "6"
    & skf21("7","5","1","5","3","4","7","1") = "6"
    & skf21("7","5","1","5","3","5","1","1") = "6"
    & skf21("7","5","1","5","3","5","2","1") = "6"
    & skf21("7","5","1","5","3","5","3","1") = "6"
    & skf21("7","5","1","5","3","5","4","1") = "6"
    & skf21("7","5","1","5","3","5","5","1") = "6"
    & skf21("7","5","1","5","3","5","6","1") = "6"
    & skf21("7","5","1","5","3","5","7","1") = "6"
    & skf21("7","5","1","5","3","6","1","1") = "6"
    & skf21("7","5","1","5","3","6","2","1") = "6"
    & skf21("7","5","1","5","3","6","3","1") = "6"
    & skf21("7","5","1","5","3","6","4","1") = "6"
    & skf21("7","5","1","5","3","6","5","1") = "6"
    & skf21("7","5","1","5","3","6","6","1") = "6"
    & skf21("7","5","1","5","3","6","7","1") = "6"
    & skf21("7","5","1","5","3","7","1","1") = "6"
    & skf21("7","5","1","5","3","7","2","1") = "6"
    & skf21("7","5","1","5","3","7","3","1") = "6"
    & skf21("7","5","1","5","3","7","4","1") = "6"
    & skf21("7","5","1","5","3","7","5","1") = "6"
    & skf21("7","5","1","5","3","7","6","1") = "6"
    & skf21("7","5","1","5","3","7","7","1") = "6"
    & skf21("7","5","1","5","4","1","1","1") = "6"
    & skf21("7","5","1","5","4","1","2","1") = "6"
    & skf21("7","5","1","5","4","1","3","1") = "6"
    & skf21("7","5","1","5","4","1","4","1") = "6"
    & skf21("7","5","1","5","4","1","5","1") = "6"
    & skf21("7","5","1","5","4","1","6","1") = "6"
    & skf21("7","5","1","5","4","1","7","1") = "6"
    & skf21("7","5","1","5","4","2","1","1") = "6"
    & skf21("7","5","1","5","4","2","2","1") = "6"
    & skf21("7","5","1","5","4","2","3","1") = "6"
    & skf21("7","5","1","5","4","2","4","1") = "6"
    & skf21("7","5","1","5","4","2","5","1") = "6"
    & skf21("7","5","1","5","4","2","6","1") = "6"
    & skf21("7","5","1","5","4","2","7","1") = "6"
    & skf21("7","5","1","5","4","3","1","1") = "6"
    & skf21("7","5","1","5","4","3","2","1") = "6"
    & skf21("7","5","1","5","4","3","3","1") = "6"
    & skf21("7","5","1","5","4","3","4","1") = "6"
    & skf21("7","5","1","5","4","3","5","1") = "6"
    & skf21("7","5","1","5","4","3","6","1") = "6"
    & skf21("7","5","1","5","4","3","7","1") = "6"
    & skf21("7","5","1","5","4","4","1","1") = "6"
    & skf21("7","5","1","5","4","4","2","1") = "6"
    & skf21("7","5","1","5","4","4","3","1") = "6"
    & skf21("7","5","1","5","4","4","4","1") = "6"
    & skf21("7","5","1","5","4","4","5","1") = "6"
    & skf21("7","5","1","5","4","4","6","1") = "6"
    & skf21("7","5","1","5","4","4","7","1") = "6"
    & skf21("7","5","1","5","4","5","1","1") = "6"
    & skf21("7","5","1","5","4","5","2","1") = "6"
    & skf21("7","5","1","5","4","5","3","1") = "6"
    & skf21("7","5","1","5","4","5","4","1") = "6"
    & skf21("7","5","1","5","4","5","5","1") = "6"
    & skf21("7","5","1","5","4","5","6","1") = "6"
    & skf21("7","5","1","5","4","5","7","1") = "6"
    & skf21("7","5","1","5","4","6","1","1") = "6"
    & skf21("7","5","1","5","4","6","2","1") = "6"
    & skf21("7","5","1","5","4","6","3","1") = "6"
    & skf21("7","5","1","5","4","6","4","1") = "6"
    & skf21("7","5","1","5","4","6","5","1") = "6"
    & skf21("7","5","1","5","4","6","6","1") = "6"
    & skf21("7","5","1","5","4","6","7","1") = "6"
    & skf21("7","5","1","5","4","7","1","1") = "6"
    & skf21("7","5","1","5","4","7","2","1") = "6"
    & skf21("7","5","1","5","4","7","3","1") = "6"
    & skf21("7","5","1","5","4","7","4","1") = "6"
    & skf21("7","5","1","5","4","7","5","1") = "6"
    & skf21("7","5","1","5","4","7","6","1") = "6"
    & skf21("7","5","1","5","4","7","7","1") = "6"
    & skf21("7","5","1","5","5","1","1","1") = "6"
    & skf21("7","5","1","5","5","1","2","1") = "6"
    & skf21("7","5","1","5","5","1","3","1") = "6"
    & skf21("7","5","1","5","5","1","4","1") = "6"
    & skf21("7","5","1","5","5","1","5","1") = "6"
    & skf21("7","5","1","5","5","1","6","1") = "6"
    & skf21("7","5","1","5","5","1","7","1") = "6"
    & skf21("7","5","1","5","5","2","1","1") = "6"
    & skf21("7","5","1","5","5","2","2","1") = "6"
    & skf21("7","5","1","5","5","2","3","1") = "6"
    & skf21("7","5","1","5","5","2","4","1") = "6"
    & skf21("7","5","1","5","5","2","5","1") = "6"
    & skf21("7","5","1","5","5","2","6","1") = "6"
    & skf21("7","5","1","5","5","2","7","1") = "6"
    & skf21("7","5","1","5","5","3","1","1") = "6"
    & skf21("7","5","1","5","5","3","2","1") = "6"
    & skf21("7","5","1","5","5","3","3","1") = "6"
    & skf21("7","5","1","5","5","3","4","1") = "6"
    & skf21("7","5","1","5","5","3","5","1") = "6"
    & skf21("7","5","1","5","5","3","6","1") = "6"
    & skf21("7","5","1","5","5","3","7","1") = "6"
    & skf21("7","5","1","5","5","4","1","1") = "6"
    & skf21("7","5","1","5","5","4","2","1") = "6"
    & skf21("7","5","1","5","5","4","3","1") = "6"
    & skf21("7","5","1","5","5","4","4","1") = "6"
    & skf21("7","5","1","5","5","4","5","1") = "6"
    & skf21("7","5","1","5","5","4","6","1") = "6"
    & skf21("7","5","1","5","5","4","7","1") = "6"
    & skf21("7","5","1","5","5","5","1","1") = "6"
    & skf21("7","5","1","5","5","5","2","1") = "6"
    & skf21("7","5","1","5","5","5","3","1") = "6"
    & skf21("7","5","1","5","5","5","4","1") = "6"
    & skf21("7","5","1","5","5","5","5","1") = "6"
    & skf21("7","5","1","5","5","5","6","1") = "6"
    & skf21("7","5","1","5","5","5","7","1") = "6"
    & skf21("7","5","1","5","5","6","1","1") = "6"
    & skf21("7","5","1","5","5","6","2","1") = "6"
    & skf21("7","5","1","5","5","6","3","1") = "6"
    & skf21("7","5","1","5","5","6","4","1") = "6"
    & skf21("7","5","1","5","5","6","5","1") = "6"
    & skf21("7","5","1","5","5","6","6","1") = "6"
    & skf21("7","5","1","5","5","6","7","1") = "6"
    & skf21("7","5","1","5","5","7","1","1") = "6"
    & skf21("7","5","1","5","5","7","2","1") = "6"
    & skf21("7","5","1","5","5","7","3","1") = "6"
    & skf21("7","5","1","5","5","7","4","1") = "6"
    & skf21("7","5","1","5","5","7","5","1") = "6"
    & skf21("7","5","1","5","5","7","6","1") = "6"
    & skf21("7","5","1","5","5","7","7","1") = "6"
    & skf21("7","5","1","5","6","1","1","1") = "6"
    & skf21("7","5","1","5","6","1","2","1") = "6"
    & skf21("7","5","1","5","6","1","3","1") = "6"
    & skf21("7","5","1","5","6","1","4","1") = "6"
    & skf21("7","5","1","5","6","1","5","1") = "6"
    & skf21("7","5","1","5","6","1","6","1") = "6"
    & skf21("7","5","1","5","6","1","7","1") = "6"
    & skf21("7","5","1","5","6","2","1","1") = "6"
    & skf21("7","5","1","5","6","2","2","1") = "6"
    & skf21("7","5","1","5","6","2","3","1") = "6"
    & skf21("7","5","1","5","6","2","4","1") = "6"
    & skf21("7","5","1","5","6","2","5","1") = "6"
    & skf21("7","5","1","5","6","2","6","1") = "6"
    & skf21("7","5","1","5","6","2","7","1") = "6"
    & skf21("7","5","1","5","6","3","1","1") = "6"
    & skf21("7","5","1","5","6","3","2","1") = "6"
    & skf21("7","5","1","5","6","3","3","1") = "6"
    & skf21("7","5","1","5","6","3","4","1") = "6"
    & skf21("7","5","1","5","6","3","5","1") = "6"
    & skf21("7","5","1","5","6","3","6","1") = "6"
    & skf21("7","5","1","5","6","3","7","1") = "6"
    & skf21("7","5","1","5","6","4","1","1") = "6"
    & skf21("7","5","1","5","6","4","2","1") = "6"
    & skf21("7","5","1","5","6","4","3","1") = "6"
    & skf21("7","5","1","5","6","4","4","1") = "6"
    & skf21("7","5","1","5","6","4","5","1") = "6"
    & skf21("7","5","1","5","6","4","6","1") = "6"
    & skf21("7","5","1","5","6","4","7","1") = "6"
    & skf21("7","5","1","5","6","5","1","1") = "6"
    & skf21("7","5","1","5","6","5","2","1") = "6"
    & skf21("7","5","1","5","6","5","3","1") = "6"
    & skf21("7","5","1","5","6","5","4","1") = "6"
    & skf21("7","5","1","5","6","5","5","1") = "6"
    & skf21("7","5","1","5","6","5","6","1") = "6"
    & skf21("7","5","1","5","6","5","7","1") = "6"
    & skf21("7","5","1","5","6","6","1","1") = "6"
    & skf21("7","5","1","5","6","6","2","1") = "6"
    & skf21("7","5","1","5","6","6","3","1") = "6"
    & skf21("7","5","1","5","6","6","4","1") = "6"
    & skf21("7","5","1","5","6","6","5","1") = "6"
    & skf21("7","5","1","5","6","6","6","1") = "6"
    & skf21("7","5","1","5","6","6","7","1") = "6"
    & skf21("7","5","1","5","6","7","1","1") = "6"
    & skf21("7","5","1","5","6","7","2","1") = "6"
    & skf21("7","5","1","5","6","7","3","1") = "6"
    & skf21("7","5","1","5","6","7","4","1") = "6"
    & skf21("7","5","1","5","6","7","5","1") = "6"
    & skf21("7","5","1","5","6","7","6","1") = "6"
    & skf21("7","5","1","5","6","7","7","1") = "6"
    & skf21("7","5","1","5","7","1","1","1") = "6"
    & skf21("7","5","1","5","7","1","2","1") = "6"
    & skf21("7","5","1","5","7","1","3","1") = "6"
    & skf21("7","5","1","5","7","1","4","1") = "6"
    & skf21("7","5","1","5","7","1","5","1") = "6"
    & skf21("7","5","1","5","7","1","6","1") = "6"
    & skf21("7","5","1","5","7","1","7","1") = "6"
    & skf21("7","5","1","5","7","2","1","1") = "6"
    & skf21("7","5","1","5","7","2","2","1") = "6"
    & skf21("7","5","1","5","7","2","3","1") = "6"
    & skf21("7","5","1","5","7","2","4","1") = "6"
    & skf21("7","5","1","5","7","2","5","1") = "6"
    & skf21("7","5","1","5","7","2","6","1") = "6"
    & skf21("7","5","1","5","7","2","7","1") = "6"
    & skf21("7","5","1","5","7","3","1","1") = "6"
    & skf21("7","5","1","5","7","3","2","1") = "6"
    & skf21("7","5","1","5","7","3","3","1") = "6"
    & skf21("7","5","1","5","7","3","4","1") = "6"
    & skf21("7","5","1","5","7","3","5","1") = "6"
    & skf21("7","5","1","5","7","3","6","1") = "6"
    & skf21("7","5","1","5","7","3","7","1") = "6"
    & skf21("7","5","1","5","7","4","1","1") = "6"
    & skf21("7","5","1","5","7","4","2","1") = "6"
    & skf21("7","5","1","5","7","4","3","1") = "6"
    & skf21("7","5","1","5","7","4","4","1") = "6"
    & skf21("7","5","1","5","7","4","5","1") = "6"
    & skf21("7","5","1","5","7","4","6","1") = "6"
    & skf21("7","5","1","5","7","4","7","1") = "6"
    & skf21("7","5","1","5","7","5","1","1") = "6"
    & skf21("7","5","1","5","7","5","2","1") = "6"
    & skf21("7","5","1","5","7","5","3","1") = "6"
    & skf21("7","5","1","5","7","5","4","1") = "6"
    & skf21("7","5","1","5","7","5","5","1") = "6"
    & skf21("7","5","1","5","7","5","6","1") = "6"
    & skf21("7","5","1","5","7","5","7","1") = "6"
    & skf21("7","5","1","5","7","6","1","1") = "6"
    & skf21("7","5","1","5","7","6","2","1") = "6"
    & skf21("7","5","1","5","7","6","3","1") = "6"
    & skf21("7","5","1","5","7","6","4","1") = "6"
    & skf21("7","5","1","5","7","6","5","1") = "6"
    & skf21("7","5","1","5","7","6","6","1") = "6"
    & skf21("7","5","1","5","7","6","7","1") = "6"
    & skf21("7","5","1","5","7","7","1","1") = "6"
    & skf21("7","5","1","5","7","7","2","1") = "6"
    & skf21("7","5","1","5","7","7","3","1") = "6"
    & skf21("7","5","1","5","7","7","4","1") = "6"
    & skf21("7","5","1","5","7","7","5","1") = "6"
    & skf21("7","5","1","5","7","7","6","1") = "6"
    & skf21("7","5","1","5","7","7","7","1") = "6"
    & skf21("7","5","1","6","1","1","1","1") = "6"
    & skf21("7","5","1","6","1","1","2","1") = "6"
    & skf21("7","5","1","6","1","1","3","1") = "6"
    & skf21("7","5","1","6","1","1","4","1") = "6"
    & skf21("7","5","1","6","1","1","5","1") = "6"
    & skf21("7","5","1","6","1","1","6","1") = "6"
    & skf21("7","5","1","6","1","1","7","1") = "6"
    & skf21("7","5","1","6","1","2","1","1") = "6"
    & skf21("7","5","1","6","1","2","2","1") = "6"
    & skf21("7","5","1","6","1","2","3","1") = "6"
    & skf21("7","5","1","6","1","2","4","1") = "6"
    & skf21("7","5","1","6","1","2","5","1") = "6"
    & skf21("7","5","1","6","1","2","6","1") = "6"
    & skf21("7","5","1","6","1","2","7","1") = "6"
    & skf21("7","5","1","6","1","3","1","1") = "6"
    & skf21("7","5","1","6","1","3","2","1") = "6"
    & skf21("7","5","1","6","1","3","3","1") = "6"
    & skf21("7","5","1","6","1","3","4","1") = "6"
    & skf21("7","5","1","6","1","3","5","1") = "6"
    & skf21("7","5","1","6","1","3","6","1") = "6"
    & skf21("7","5","1","6","1","3","7","1") = "6"
    & skf21("7","5","1","6","1","4","1","1") = "6"
    & skf21("7","5","1","6","1","4","2","1") = "6"
    & skf21("7","5","1","6","1","4","3","1") = "6"
    & skf21("7","5","1","6","1","4","4","1") = "6"
    & skf21("7","5","1","6","1","4","5","1") = "6"
    & skf21("7","5","1","6","1","4","6","1") = "6"
    & skf21("7","5","1","6","1","4","7","1") = "6"
    & skf21("7","5","1","6","1","5","1","1") = "6"
    & skf21("7","5","1","6","1","5","2","1") = "6"
    & skf21("7","5","1","6","1","5","3","1") = "6"
    & skf21("7","5","1","6","1","5","4","1") = "6"
    & skf21("7","5","1","6","1","5","5","1") = "6"
    & skf21("7","5","1","6","1","5","6","1") = "6"
    & skf21("7","5","1","6","1","5","7","1") = "6"
    & skf21("7","5","1","6","1","6","1","1") = "6"
    & skf21("7","5","1","6","1","6","2","1") = "6"
    & skf21("7","5","1","6","1","6","3","1") = "6"
    & skf21("7","5","1","6","1","6","4","1") = "6"
    & skf21("7","5","1","6","1","6","5","1") = "6"
    & skf21("7","5","1","6","1","6","6","1") = "6"
    & skf21("7","5","1","6","1","6","7","1") = "6"
    & skf21("7","5","1","6","1","7","1","1") = "6"
    & skf21("7","5","1","6","1","7","2","1") = "6"
    & skf21("7","5","1","6","1","7","3","1") = "6"
    & skf21("7","5","1","6","1","7","4","1") = "6"
    & skf21("7","5","1","6","1","7","5","1") = "6"
    & skf21("7","5","1","6","1","7","6","1") = "6"
    & skf21("7","5","1","6","1","7","7","1") = "6"
    & skf21("7","5","1","6","2","1","1","1") = "6"
    & skf21("7","5","1","6","2","1","2","1") = "6"
    & skf21("7","5","1","6","2","1","3","1") = "6"
    & skf21("7","5","1","6","2","1","4","1") = "6"
    & skf21("7","5","1","6","2","1","5","1") = "6"
    & skf21("7","5","1","6","2","1","6","1") = "6"
    & skf21("7","5","1","6","2","1","7","1") = "6"
    & skf21("7","5","1","6","2","2","1","1") = "6"
    & skf21("7","5","1","6","2","2","2","1") = "6"
    & skf21("7","5","1","6","2","2","3","1") = "6"
    & skf21("7","5","1","6","2","2","4","1") = "6"
    & skf21("7","5","1","6","2","2","5","1") = "6"
    & skf21("7","5","1","6","2","2","6","1") = "6"
    & skf21("7","5","1","6","2","2","7","1") = "6"
    & skf21("7","5","1","6","2","3","1","1") = "6"
    & skf21("7","5","1","6","2","3","2","1") = "6"
    & skf21("7","5","1","6","2","3","3","1") = "6"
    & skf21("7","5","1","6","2","3","4","1") = "6"
    & skf21("7","5","1","6","2","3","5","1") = "6"
    & skf21("7","5","1","6","2","3","6","1") = "6"
    & skf21("7","5","1","6","2","3","7","1") = "6"
    & skf21("7","5","1","6","2","4","1","1") = "6"
    & skf21("7","5","1","6","2","4","2","1") = "6"
    & skf21("7","5","1","6","2","4","3","1") = "6"
    & skf21("7","5","1","6","2","4","4","1") = "6"
    & skf21("7","5","1","6","2","4","5","1") = "6"
    & skf21("7","5","1","6","2","4","6","1") = "6"
    & skf21("7","5","1","6","2","4","7","1") = "6"
    & skf21("7","5","1","6","2","5","1","1") = "6"
    & skf21("7","5","1","6","2","5","2","1") = "6"
    & skf21("7","5","1","6","2","5","3","1") = "6"
    & skf21("7","5","1","6","2","5","4","1") = "6"
    & skf21("7","5","1","6","2","5","5","1") = "6"
    & skf21("7","5","1","6","2","5","6","1") = "6"
    & skf21("7","5","1","6","2","5","7","1") = "6"
    & skf21("7","5","1","6","2","6","1","1") = "6"
    & skf21("7","5","1","6","2","6","2","1") = "6"
    & skf21("7","5","1","6","2","6","3","1") = "6"
    & skf21("7","5","1","6","2","6","4","1") = "6"
    & skf21("7","5","1","6","2","6","5","1") = "6"
    & skf21("7","5","1","6","2","6","6","1") = "6"
    & skf21("7","5","1","6","2","6","7","1") = "6"
    & skf21("7","5","1","6","2","7","1","1") = "6"
    & skf21("7","5","1","6","2","7","2","1") = "6"
    & skf21("7","5","1","6","2","7","3","1") = "6"
    & skf21("7","5","1","6","2","7","4","1") = "6"
    & skf21("7","5","1","6","2","7","5","1") = "6"
    & skf21("7","5","1","6","2","7","6","1") = "6"
    & skf21("7","5","1","6","2","7","7","1") = "6"
    & skf21("7","5","1","6","3","1","1","1") = "6"
    & skf21("7","5","1","6","3","1","2","1") = "6"
    & skf21("7","5","1","6","3","1","3","1") = "6"
    & skf21("7","5","1","6","3","1","4","1") = "6"
    & skf21("7","5","1","6","3","1","5","1") = "6"
    & skf21("7","5","1","6","3","1","6","1") = "6"
    & skf21("7","5","1","6","3","1","7","1") = "6"
    & skf21("7","5","1","6","3","2","1","1") = "6"
    & skf21("7","5","1","6","3","2","2","1") = "6"
    & skf21("7","5","1","6","3","2","3","1") = "6"
    & skf21("7","5","1","6","3","2","4","1") = "6"
    & skf21("7","5","1","6","3","2","5","1") = "6"
    & skf21("7","5","1","6","3","2","6","1") = "6"
    & skf21("7","5","1","6","3","2","7","1") = "6"
    & skf21("7","5","1","6","3","3","1","1") = "6"
    & skf21("7","5","1","6","3","3","2","1") = "6"
    & skf21("7","5","1","6","3","3","3","1") = "6"
    & skf21("7","5","1","6","3","3","4","1") = "6"
    & skf21("7","5","1","6","3","3","5","1") = "6"
    & skf21("7","5","1","6","3","3","6","1") = "6"
    & skf21("7","5","1","6","3","3","7","1") = "6"
    & skf21("7","5","1","6","3","4","1","1") = "6"
    & skf21("7","5","1","6","3","4","2","1") = "6"
    & skf21("7","5","1","6","3","4","3","1") = "6"
    & skf21("7","5","1","6","3","4","4","1") = "6"
    & skf21("7","5","1","6","3","4","5","1") = "6"
    & skf21("7","5","1","6","3","4","6","1") = "6"
    & skf21("7","5","1","6","3","4","7","1") = "6"
    & skf21("7","5","1","6","3","5","1","1") = "6"
    & skf21("7","5","1","6","3","5","2","1") = "6"
    & skf21("7","5","1","6","3","5","3","1") = "6"
    & skf21("7","5","1","6","3","5","4","1") = "6"
    & skf21("7","5","1","6","3","5","5","1") = "6"
    & skf21("7","5","1","6","3","5","6","1") = "6"
    & skf21("7","5","1","6","3","5","7","1") = "6"
    & skf21("7","5","1","6","3","6","1","1") = "6"
    & skf21("7","5","1","6","3","6","2","1") = "6"
    & skf21("7","5","1","6","3","6","3","1") = "6"
    & skf21("7","5","1","6","3","6","4","1") = "6"
    & skf21("7","5","1","6","3","6","5","1") = "6"
    & skf21("7","5","1","6","3","6","6","1") = "6"
    & skf21("7","5","1","6","3","6","7","1") = "6"
    & skf21("7","5","1","6","3","7","1","1") = "6"
    & skf21("7","5","1","6","3","7","2","1") = "6"
    & skf21("7","5","1","6","3","7","3","1") = "6"
    & skf21("7","5","1","6","3","7","4","1") = "6"
    & skf21("7","5","1","6","3","7","5","1") = "6"
    & skf21("7","5","1","6","3","7","6","1") = "6"
    & skf21("7","5","1","6","3","7","7","1") = "6"
    & skf21("7","5","1","6","4","1","1","1") = "6"
    & skf21("7","5","1","6","4","1","2","1") = "6"
    & skf21("7","5","1","6","4","1","3","1") = "6"
    & skf21("7","5","1","6","4","1","4","1") = "6"
    & skf21("7","5","1","6","4","1","5","1") = "6"
    & skf21("7","5","1","6","4","1","6","1") = "6"
    & skf21("7","5","1","6","4","1","7","1") = "6"
    & skf21("7","5","1","6","4","2","1","1") = "6"
    & skf21("7","5","1","6","4","2","2","1") = "6"
    & skf21("7","5","1","6","4","2","3","1") = "6"
    & skf21("7","5","1","6","4","2","4","1") = "6"
    & skf21("7","5","1","6","4","2","5","1") = "6"
    & skf21("7","5","1","6","4","2","6","1") = "6"
    & skf21("7","5","1","6","4","2","7","1") = "6"
    & skf21("7","5","1","6","4","3","1","1") = "6"
    & skf21("7","5","1","6","4","3","2","1") = "6"
    & skf21("7","5","1","6","4","3","3","1") = "6"
    & skf21("7","5","1","6","4","3","4","1") = "6"
    & skf21("7","5","1","6","4","3","5","1") = "6"
    & skf21("7","5","1","6","4","3","6","1") = "6"
    & skf21("7","5","1","6","4","3","7","1") = "6"
    & skf21("7","5","1","6","4","4","1","1") = "6"
    & skf21("7","5","1","6","4","4","2","1") = "6"
    & skf21("7","5","1","6","4","4","3","1") = "6"
    & skf21("7","5","1","6","4","4","4","1") = "6"
    & skf21("7","5","1","6","4","4","5","1") = "6"
    & skf21("7","5","1","6","4","4","6","1") = "6"
    & skf21("7","5","1","6","4","4","7","1") = "6"
    & skf21("7","5","1","6","4","5","1","1") = "6"
    & skf21("7","5","1","6","4","5","2","1") = "6"
    & skf21("7","5","1","6","4","5","3","1") = "6"
    & skf21("7","5","1","6","4","5","4","1") = "6"
    & skf21("7","5","1","6","4","5","5","1") = "6"
    & skf21("7","5","1","6","4","5","6","1") = "6"
    & skf21("7","5","1","6","4","5","7","1") = "6"
    & skf21("7","5","1","6","4","6","1","1") = "6"
    & skf21("7","5","1","6","4","6","2","1") = "6"
    & skf21("7","5","1","6","4","6","3","1") = "6"
    & skf21("7","5","1","6","4","6","4","1") = "6"
    & skf21("7","5","1","6","4","6","5","1") = "6"
    & skf21("7","5","1","6","4","6","6","1") = "6"
    & skf21("7","5","1","6","4","6","7","1") = "6"
    & skf21("7","5","1","6","4","7","1","1") = "6"
    & skf21("7","5","1","6","4","7","2","1") = "6"
    & skf21("7","5","1","6","4","7","3","1") = "6"
    & skf21("7","5","1","6","4","7","4","1") = "6"
    & skf21("7","5","1","6","4","7","5","1") = "6"
    & skf21("7","5","1","6","4","7","6","1") = "6"
    & skf21("7","5","1","6","4","7","7","1") = "6"
    & skf21("7","5","1","6","5","1","1","1") = "6"
    & skf21("7","5","1","6","5","1","2","1") = "6"
    & skf21("7","5","1","6","5","1","3","1") = "6"
    & skf21("7","5","1","6","5","1","4","1") = "6"
    & skf21("7","5","1","6","5","1","5","1") = "6"
    & skf21("7","5","1","6","5","1","6","1") = "6"
    & skf21("7","5","1","6","5","1","7","1") = "6"
    & skf21("7","5","1","6","5","2","1","1") = "6"
    & skf21("7","5","1","6","5","2","2","1") = "6"
    & skf21("7","5","1","6","5","2","3","1") = "6"
    & skf21("7","5","1","6","5","2","4","1") = "6"
    & skf21("7","5","1","6","5","2","5","1") = "6"
    & skf21("7","5","1","6","5","2","6","1") = "6"
    & skf21("7","5","1","6","5","2","7","1") = "6"
    & skf21("7","5","1","6","5","3","1","1") = "6"
    & skf21("7","5","1","6","5","3","2","1") = "6"
    & skf21("7","5","1","6","5","3","3","1") = "6"
    & skf21("7","5","1","6","5","3","4","1") = "6"
    & skf21("7","5","1","6","5","3","5","1") = "6"
    & skf21("7","5","1","6","5","3","6","1") = "6"
    & skf21("7","5","1","6","5","3","7","1") = "6"
    & skf21("7","5","1","6","5","4","1","1") = "6"
    & skf21("7","5","1","6","5","4","2","1") = "6"
    & skf21("7","5","1","6","5","4","3","1") = "6"
    & skf21("7","5","1","6","5","4","4","1") = "6"
    & skf21("7","5","1","6","5","4","5","1") = "6"
    & skf21("7","5","1","6","5","4","6","1") = "6"
    & skf21("7","5","1","6","5","4","7","1") = "6"
    & skf21("7","5","1","6","5","5","1","1") = "6"
    & skf21("7","5","1","6","5","5","2","1") = "6"
    & skf21("7","5","1","6","5","5","3","1") = "6"
    & skf21("7","5","1","6","5","5","4","1") = "6"
    & skf21("7","5","1","6","5","5","5","1") = "6"
    & skf21("7","5","1","6","5","5","6","1") = "6"
    & skf21("7","5","1","6","5","5","7","1") = "6"
    & skf21("7","5","1","6","5","6","1","1") = "6"
    & skf21("7","5","1","6","5","6","2","1") = "6"
    & skf21("7","5","1","6","5","6","3","1") = "6"
    & skf21("7","5","1","6","5","6","4","1") = "6"
    & skf21("7","5","1","6","5","6","5","1") = "6"
    & skf21("7","5","1","6","5","6","6","1") = "6"
    & skf21("7","5","1","6","5","6","7","1") = "6"
    & skf21("7","5","1","6","5","7","1","1") = "6"
    & skf21("7","5","1","6","5","7","2","1") = "6"
    & skf21("7","5","1","6","5","7","3","1") = "6"
    & skf21("7","5","1","6","5","7","4","1") = "6"
    & skf21("7","5","1","6","5","7","5","1") = "6"
    & skf21("7","5","1","6","5","7","6","1") = "6"
    & skf21("7","5","1","6","5","7","7","1") = "6"
    & skf21("7","5","1","6","6","1","1","1") = "6"
    & skf21("7","5","1","6","6","1","2","1") = "6"
    & skf21("7","5","1","6","6","1","3","1") = "6"
    & skf21("7","5","1","6","6","1","4","1") = "6"
    & skf21("7","5","1","6","6","1","5","1") = "6"
    & skf21("7","5","1","6","6","1","6","1") = "6"
    & skf21("7","5","1","6","6","1","7","1") = "6"
    & skf21("7","5","1","6","6","2","1","1") = "6"
    & skf21("7","5","1","6","6","2","2","1") = "6"
    & skf21("7","5","1","6","6","2","3","1") = "6"
    & skf21("7","5","1","6","6","2","4","1") = "6"
    & skf21("7","5","1","6","6","2","5","1") = "6"
    & skf21("7","5","1","6","6","2","6","1") = "6"
    & skf21("7","5","1","6","6","2","7","1") = "6"
    & skf21("7","5","1","6","6","3","1","1") = "6"
    & skf21("7","5","1","6","6","3","2","1") = "6"
    & skf21("7","5","1","6","6","3","3","1") = "6"
    & skf21("7","5","1","6","6","3","4","1") = "6"
    & skf21("7","5","1","6","6","3","5","1") = "6"
    & skf21("7","5","1","6","6","3","6","1") = "6"
    & skf21("7","5","1","6","6","3","7","1") = "6"
    & skf21("7","5","1","6","6","4","1","1") = "6"
    & skf21("7","5","1","6","6","4","2","1") = "6"
    & skf21("7","5","1","6","6","4","3","1") = "6"
    & skf21("7","5","1","6","6","4","4","1") = "6"
    & skf21("7","5","1","6","6","4","5","1") = "6"
    & skf21("7","5","1","6","6","4","6","1") = "6"
    & skf21("7","5","1","6","6","4","7","1") = "6"
    & skf21("7","5","1","6","6","5","1","1") = "6"
    & skf21("7","5","1","6","6","5","2","1") = "6"
    & skf21("7","5","1","6","6","5","3","1") = "6"
    & skf21("7","5","1","6","6","5","4","1") = "6"
    & skf21("7","5","1","6","6","5","5","1") = "6"
    & skf21("7","5","1","6","6","5","6","1") = "6"
    & skf21("7","5","1","6","6","5","7","1") = "6"
    & skf21("7","5","1","6","6","6","1","1") = "6"
    & skf21("7","5","1","6","6","6","2","1") = "6"
    & skf21("7","5","1","6","6","6","3","1") = "6"
    & skf21("7","5","1","6","6","6","4","1") = "6"
    & skf21("7","5","1","6","6","6","5","1") = "6"
    & skf21("7","5","1","6","6","6","6","1") = "6"
    & skf21("7","5","1","6","6","6","7","1") = "6"
    & skf21("7","5","1","6","6","7","1","1") = "6"
    & skf21("7","5","1","6","6","7","2","1") = "6"
    & skf21("7","5","1","6","6","7","3","1") = "6"
    & skf21("7","5","1","6","6","7","4","1") = "6"
    & skf21("7","5","1","6","6","7","5","1") = "6"
    & skf21("7","5","1","6","6","7","6","1") = "6"
    & skf21("7","5","1","6","6","7","7","1") = "6"
    & skf21("7","5","1","6","7","1","1","1") = "6"
    & skf21("7","5","1","6","7","1","2","1") = "6"
    & skf21("7","5","1","6","7","1","3","1") = "6"
    & skf21("7","5","1","6","7","1","4","1") = "6"
    & skf21("7","5","1","6","7","1","5","1") = "6"
    & skf21("7","5","1","6","7","1","6","1") = "6"
    & skf21("7","5","1","6","7","1","7","1") = "6"
    & skf21("7","5","1","6","7","2","1","1") = "6"
    & skf21("7","5","1","6","7","2","2","1") = "6"
    & skf21("7","5","1","6","7","2","3","1") = "6"
    & skf21("7","5","1","6","7","2","4","1") = "6"
    & skf21("7","5","1","6","7","2","5","1") = "6"
    & skf21("7","5","1","6","7","2","6","1") = "6"
    & skf21("7","5","1","6","7","2","7","1") = "6"
    & skf21("7","5","1","6","7","3","1","1") = "6"
    & skf21("7","5","1","6","7","3","2","1") = "6"
    & skf21("7","5","1","6","7","3","3","1") = "6"
    & skf21("7","5","1","6","7","3","4","1") = "6"
    & skf21("7","5","1","6","7","3","5","1") = "6"
    & skf21("7","5","1","6","7","3","6","1") = "6"
    & skf21("7","5","1","6","7","3","7","1") = "6"
    & skf21("7","5","1","6","7","4","1","1") = "6"
    & skf21("7","5","1","6","7","4","2","1") = "6"
    & skf21("7","5","1","6","7","4","3","1") = "6"
    & skf21("7","5","1","6","7","4","4","1") = "6"
    & skf21("7","5","1","6","7","4","5","1") = "6"
    & skf21("7","5","1","6","7","4","6","1") = "6"
    & skf21("7","5","1","6","7","4","7","1") = "6"
    & skf21("7","5","1","6","7","5","1","1") = "6"
    & skf21("7","5","1","6","7","5","2","1") = "6"
    & skf21("7","5","1","6","7","5","3","1") = "6"
    & skf21("7","5","1","6","7","5","4","1") = "6"
    & skf21("7","5","1","6","7","5","5","1") = "6"
    & skf21("7","5","1","6","7","5","6","1") = "6"
    & skf21("7","5","1","6","7","5","7","1") = "6"
    & skf21("7","5","1","6","7","6","1","1") = "6"
    & skf21("7","5","1","6","7","6","2","1") = "6"
    & skf21("7","5","1","6","7","6","3","1") = "6"
    & skf21("7","5","1","6","7","6","4","1") = "6"
    & skf21("7","5","1","6","7","6","5","1") = "6"
    & skf21("7","5","1","6","7","6","6","1") = "6"
    & skf21("7","5","1","6","7","6","7","1") = "6"
    & skf21("7","5","1","6","7","7","1","1") = "6"
    & skf21("7","5","1","6","7","7","2","1") = "6"
    & skf21("7","5","1","6","7","7","3","1") = "6"
    & skf21("7","5","1","6","7","7","4","1") = "6"
    & skf21("7","5","1","6","7","7","5","1") = "6"
    & skf21("7","5","1","6","7","7","6","1") = "6"
    & skf21("7","5","1","6","7","7","7","1") = "6"
    & skf21("7","5","1","7","1","1","1","1") = "6"
    & skf21("7","5","1","7","1","1","2","1") = "6"
    & skf21("7","5","1","7","1","1","3","1") = "6"
    & skf21("7","5","1","7","1","1","4","1") = "6"
    & skf21("7","5","1","7","1","1","5","1") = "6"
    & skf21("7","5","1","7","1","1","6","1") = "6"
    & skf21("7","5","1","7","1","1","7","1") = "6"
    & skf21("7","5","1","7","1","2","1","1") = "6"
    & skf21("7","5","1","7","1","2","2","1") = "6"
    & skf21("7","5","1","7","1","2","3","1") = "6"
    & skf21("7","5","1","7","1","2","4","1") = "6"
    & skf21("7","5","1","7","1","2","5","1") = "6"
    & skf21("7","5","1","7","1","2","6","1") = "6"
    & skf21("7","5","1","7","1","2","7","1") = "6"
    & skf21("7","5","1","7","1","3","1","1") = "6"
    & skf21("7","5","1","7","1","3","2","1") = "6"
    & skf21("7","5","1","7","1","3","3","1") = "6"
    & skf21("7","5","1","7","1","3","4","1") = "6"
    & skf21("7","5","1","7","1","3","5","1") = "6"
    & skf21("7","5","1","7","1","3","6","1") = "6"
    & skf21("7","5","1","7","1","3","7","1") = "6"
    & skf21("7","5","1","7","1","4","1","1") = "6"
    & skf21("7","5","1","7","1","4","2","1") = "6"
    & skf21("7","5","1","7","1","4","3","1") = "6"
    & skf21("7","5","1","7","1","4","4","1") = "6"
    & skf21("7","5","1","7","1","4","5","1") = "6"
    & skf21("7","5","1","7","1","4","6","1") = "6"
    & skf21("7","5","1","7","1","4","7","1") = "6"
    & skf21("7","5","1","7","1","5","1","1") = "6"
    & skf21("7","5","1","7","1","5","2","1") = "6"
    & skf21("7","5","1","7","1","5","3","1") = "6"
    & skf21("7","5","1","7","1","5","4","1") = "6"
    & skf21("7","5","1","7","1","5","5","1") = "6"
    & skf21("7","5","1","7","1","5","6","1") = "6"
    & skf21("7","5","1","7","1","5","7","1") = "6"
    & skf21("7","5","1","7","1","6","1","1") = "6"
    & skf21("7","5","1","7","1","6","2","1") = "6"
    & skf21("7","5","1","7","1","6","3","1") = "6"
    & skf21("7","5","1","7","1","6","4","1") = "6"
    & skf21("7","5","1","7","1","6","5","1") = "6"
    & skf21("7","5","1","7","1","6","6","1") = "6"
    & skf21("7","5","1","7","1","6","7","1") = "6"
    & skf21("7","5","1","7","1","7","1","1") = "6"
    & skf21("7","5","1","7","1","7","2","1") = "6"
    & skf21("7","5","1","7","1","7","3","1") = "6"
    & skf21("7","5","1","7","1","7","4","1") = "6"
    & skf21("7","5","1","7","1","7","5","1") = "6"
    & skf21("7","5","1","7","1","7","6","1") = "6"
    & skf21("7","5","1","7","1","7","7","1") = "6"
    & skf21("7","5","1","7","2","1","1","1") = "6"
    & skf21("7","5","1","7","2","1","2","1") = "6"
    & skf21("7","5","1","7","2","1","3","1") = "6"
    & skf21("7","5","1","7","2","1","4","1") = "6"
    & skf21("7","5","1","7","2","1","5","1") = "6"
    & skf21("7","5","1","7","2","1","6","1") = "6"
    & skf21("7","5","1","7","2","1","7","1") = "6"
    & skf21("7","5","1","7","2","2","1","1") = "6"
    & skf21("7","5","1","7","2","2","2","1") = "6"
    & skf21("7","5","1","7","2","2","3","1") = "6"
    & skf21("7","5","1","7","2","2","4","1") = "6"
    & skf21("7","5","1","7","2","2","5","1") = "6"
    & skf21("7","5","1","7","2","2","6","1") = "6"
    & skf21("7","5","1","7","2","2","7","1") = "6"
    & skf21("7","5","1","7","2","3","1","1") = "6"
    & skf21("7","5","1","7","2","3","2","1") = "6"
    & skf21("7","5","1","7","2","3","3","1") = "6"
    & skf21("7","5","1","7","2","3","4","1") = "6"
    & skf21("7","5","1","7","2","3","5","1") = "6"
    & skf21("7","5","1","7","2","3","6","1") = "6"
    & skf21("7","5","1","7","2","3","7","1") = "6"
    & skf21("7","5","1","7","2","4","1","1") = "6"
    & skf21("7","5","1","7","2","4","2","1") = "6"
    & skf21("7","5","1","7","2","4","3","1") = "6"
    & skf21("7","5","1","7","2","4","4","1") = "6"
    & skf21("7","5","1","7","2","4","5","1") = "6"
    & skf21("7","5","1","7","2","4","6","1") = "6"
    & skf21("7","5","1","7","2","4","7","1") = "6"
    & skf21("7","5","1","7","2","5","1","1") = "6"
    & skf21("7","5","1","7","2","5","2","1") = "6"
    & skf21("7","5","1","7","2","5","3","1") = "6"
    & skf21("7","5","1","7","2","5","4","1") = "6"
    & skf21("7","5","1","7","2","5","5","1") = "6"
    & skf21("7","5","1","7","2","5","6","1") = "6"
    & skf21("7","5","1","7","2","5","7","1") = "6"
    & skf21("7","5","1","7","2","6","1","1") = "6"
    & skf21("7","5","1","7","2","6","2","1") = "6"
    & skf21("7","5","1","7","2","6","3","1") = "6"
    & skf21("7","5","1","7","2","6","4","1") = "6"
    & skf21("7","5","1","7","2","6","5","1") = "6"
    & skf21("7","5","1","7","2","6","6","1") = "6"
    & skf21("7","5","1","7","2","6","7","1") = "6"
    & skf21("7","5","1","7","2","7","1","1") = "6"
    & skf21("7","5","1","7","2","7","2","1") = "6"
    & skf21("7","5","1","7","2","7","3","1") = "6"
    & skf21("7","5","1","7","2","7","4","1") = "6"
    & skf21("7","5","1","7","2","7","5","1") = "6"
    & skf21("7","5","1","7","2","7","6","1") = "6"
    & skf21("7","5","1","7","2","7","7","1") = "6"
    & skf21("7","5","1","7","3","1","1","1") = "6"
    & skf21("7","5","1","7","3","1","2","1") = "6"
    & skf21("7","5","1","7","3","1","3","1") = "6"
    & skf21("7","5","1","7","3","1","4","1") = "6"
    & skf21("7","5","1","7","3","1","5","1") = "6"
    & skf21("7","5","1","7","3","1","6","1") = "6"
    & skf21("7","5","1","7","3","1","7","1") = "6"
    & skf21("7","5","1","7","3","2","1","1") = "6"
    & skf21("7","5","1","7","3","2","2","1") = "6"
    & skf21("7","5","1","7","3","2","3","1") = "6"
    & skf21("7","5","1","7","3","2","4","1") = "6"
    & skf21("7","5","1","7","3","2","5","1") = "6"
    & skf21("7","5","1","7","3","2","6","1") = "6"
    & skf21("7","5","1","7","3","2","7","1") = "6"
    & skf21("7","5","1","7","3","3","1","1") = "6"
    & skf21("7","5","1","7","3","3","2","1") = "6"
    & skf21("7","5","1","7","3","3","3","1") = "6"
    & skf21("7","5","1","7","3","3","4","1") = "6"
    & skf21("7","5","1","7","3","3","5","1") = "6"
    & skf21("7","5","1","7","3","3","6","1") = "6"
    & skf21("7","5","1","7","3","3","7","1") = "6"
    & skf21("7","5","1","7","3","4","1","1") = "6"
    & skf21("7","5","1","7","3","4","2","1") = "6"
    & skf21("7","5","1","7","3","4","3","1") = "6"
    & skf21("7","5","1","7","3","4","4","1") = "6"
    & skf21("7","5","1","7","3","4","5","1") = "6"
    & skf21("7","5","1","7","3","4","6","1") = "6"
    & skf21("7","5","1","7","3","4","7","1") = "6"
    & skf21("7","5","1","7","3","5","1","1") = "6"
    & skf21("7","5","1","7","3","5","2","1") = "6"
    & skf21("7","5","1","7","3","5","3","1") = "6"
    & skf21("7","5","1","7","3","5","4","1") = "6"
    & skf21("7","5","1","7","3","5","5","1") = "6"
    & skf21("7","5","1","7","3","5","6","1") = "6"
    & skf21("7","5","1","7","3","5","7","1") = "6"
    & skf21("7","5","1","7","3","6","1","1") = "6"
    & skf21("7","5","1","7","3","6","2","1") = "6"
    & skf21("7","5","1","7","3","6","3","1") = "6"
    & skf21("7","5","1","7","3","6","4","1") = "6"
    & skf21("7","5","1","7","3","6","5","1") = "6"
    & skf21("7","5","1","7","3","6","6","1") = "6"
    & skf21("7","5","1","7","3","6","7","1") = "6"
    & skf21("7","5","1","7","3","7","1","1") = "6"
    & skf21("7","5","1","7","3","7","2","1") = "6"
    & skf21("7","5","1","7","3","7","3","1") = "6"
    & skf21("7","5","1","7","3","7","4","1") = "6"
    & skf21("7","5","1","7","3","7","5","1") = "6"
    & skf21("7","5","1","7","3","7","6","1") = "6"
    & skf21("7","5","1","7","3","7","7","1") = "6"
    & skf21("7","5","1","7","4","1","1","1") = "6"
    & skf21("7","5","1","7","4","1","2","1") = "6"
    & skf21("7","5","1","7","4","1","3","1") = "6"
    & skf21("7","5","1","7","4","1","4","1") = "6"
    & skf21("7","5","1","7","4","1","5","1") = "6"
    & skf21("7","5","1","7","4","1","6","1") = "6"
    & skf21("7","5","1","7","4","1","7","1") = "6"
    & skf21("7","5","1","7","4","2","1","1") = "6"
    & skf21("7","5","1","7","4","2","2","1") = "6"
    & skf21("7","5","1","7","4","2","3","1") = "6"
    & skf21("7","5","1","7","4","2","4","1") = "6"
    & skf21("7","5","1","7","4","2","5","1") = "6"
    & skf21("7","5","1","7","4","2","6","1") = "6"
    & skf21("7","5","1","7","4","2","7","1") = "6"
    & skf21("7","5","1","7","4","3","1","1") = "6"
    & skf21("7","5","1","7","4","3","2","1") = "6"
    & skf21("7","5","1","7","4","3","3","1") = "6"
    & skf21("7","5","1","7","4","3","4","1") = "6"
    & skf21("7","5","1","7","4","3","5","1") = "6"
    & skf21("7","5","1","7","4","3","6","1") = "6"
    & skf21("7","5","1","7","4","3","7","1") = "6"
    & skf21("7","5","1","7","4","4","1","1") = "6"
    & skf21("7","5","1","7","4","4","2","1") = "6"
    & skf21("7","5","1","7","4","4","3","1") = "6"
    & skf21("7","5","1","7","4","4","4","1") = "6"
    & skf21("7","5","1","7","4","4","5","1") = "6"
    & skf21("7","5","1","7","4","4","6","1") = "6"
    & skf21("7","5","1","7","4","4","7","1") = "6"
    & skf21("7","5","1","7","4","5","1","1") = "6"
    & skf21("7","5","1","7","4","5","2","1") = "6"
    & skf21("7","5","1","7","4","5","3","1") = "6"
    & skf21("7","5","1","7","4","5","4","1") = "6"
    & skf21("7","5","1","7","4","5","5","1") = "6"
    & skf21("7","5","1","7","4","5","6","1") = "6"
    & skf21("7","5","1","7","4","5","7","1") = "6"
    & skf21("7","5","1","7","4","6","1","1") = "6"
    & skf21("7","5","1","7","4","6","2","1") = "6"
    & skf21("7","5","1","7","4","6","3","1") = "6"
    & skf21("7","5","1","7","4","6","4","1") = "6"
    & skf21("7","5","1","7","4","6","5","1") = "6"
    & skf21("7","5","1","7","4","6","6","1") = "6"
    & skf21("7","5","1","7","4","6","7","1") = "6"
    & skf21("7","5","1","7","4","7","1","1") = "6"
    & skf21("7","5","1","7","4","7","2","1") = "6"
    & skf21("7","5","1","7","4","7","3","1") = "6"
    & skf21("7","5","1","7","4","7","4","1") = "6"
    & skf21("7","5","1","7","4","7","5","1") = "6"
    & skf21("7","5","1","7","4","7","6","1") = "6"
    & skf21("7","5","1","7","4","7","7","1") = "6"
    & skf21("7","5","1","7","5","1","1","1") = "6"
    & skf21("7","5","1","7","5","1","2","1") = "6"
    & skf21("7","5","1","7","5","1","3","1") = "6"
    & skf21("7","5","1","7","5","1","4","1") = "6"
    & skf21("7","5","1","7","5","1","5","1") = "6"
    & skf21("7","5","1","7","5","1","6","1") = "6"
    & skf21("7","5","1","7","5","1","7","1") = "6"
    & skf21("7","5","1","7","5","2","1","1") = "6"
    & skf21("7","5","1","7","5","2","2","1") = "6"
    & skf21("7","5","1","7","5","2","3","1") = "6"
    & skf21("7","5","1","7","5","2","4","1") = "6"
    & skf21("7","5","1","7","5","2","5","1") = "6"
    & skf21("7","5","1","7","5","2","6","1") = "6"
    & skf21("7","5","1","7","5","2","7","1") = "6"
    & skf21("7","5","1","7","5","3","1","1") = "6"
    & skf21("7","5","1","7","5","3","2","1") = "6"
    & skf21("7","5","1","7","5","3","3","1") = "6"
    & skf21("7","5","1","7","5","3","4","1") = "6"
    & skf21("7","5","1","7","5","3","5","1") = "6"
    & skf21("7","5","1","7","5","3","6","1") = "6"
    & skf21("7","5","1","7","5","3","7","1") = "6"
    & skf21("7","5","1","7","5","4","1","1") = "6"
    & skf21("7","5","1","7","5","4","2","1") = "6"
    & skf21("7","5","1","7","5","4","3","1") = "6"
    & skf21("7","5","1","7","5","4","4","1") = "6"
    & skf21("7","5","1","7","5","4","5","1") = "6"
    & skf21("7","5","1","7","5","4","6","1") = "6"
    & skf21("7","5","1","7","5","4","7","1") = "6"
    & skf21("7","5","1","7","5","5","1","1") = "6"
    & skf21("7","5","1","7","5","5","2","1") = "6"
    & skf21("7","5","1","7","5","5","3","1") = "6"
    & skf21("7","5","1","7","5","5","4","1") = "6"
    & skf21("7","5","1","7","5","5","5","1") = "6"
    & skf21("7","5","1","7","5","5","6","1") = "6"
    & skf21("7","5","1","7","5","5","7","1") = "6"
    & skf21("7","5","1","7","5","6","1","1") = "6"
    & skf21("7","5","1","7","5","6","2","1") = "6"
    & skf21("7","5","1","7","5","6","3","1") = "6"
    & skf21("7","5","1","7","5","6","4","1") = "6"
    & skf21("7","5","1","7","5","6","5","1") = "6"
    & skf21("7","5","1","7","5","6","6","1") = "6"
    & skf21("7","5","1","7","5","6","7","1") = "6"
    & skf21("7","5","1","7","5","7","1","1") = "6"
    & skf21("7","5","1","7","5","7","2","1") = "6"
    & skf21("7","5","1","7","5","7","3","1") = "6"
    & skf21("7","5","1","7","5","7","4","1") = "6"
    & skf21("7","5","1","7","5","7","5","1") = "6"
    & skf21("7","5","1","7","5","7","6","1") = "6"
    & skf21("7","5","1","7","5","7","7","1") = "6"
    & skf21("7","5","1","7","6","1","1","1") = "6"
    & skf21("7","5","1","7","6","1","2","1") = "6"
    & skf21("7","5","1","7","6","1","3","1") = "6"
    & skf21("7","5","1","7","6","1","4","1") = "6"
    & skf21("7","5","1","7","6","1","5","1") = "6"
    & skf21("7","5","1","7","6","1","6","1") = "6"
    & skf21("7","5","1","7","6","1","7","1") = "6"
    & skf21("7","5","1","7","6","2","1","1") = "6"
    & skf21("7","5","1","7","6","2","2","1") = "6"
    & skf21("7","5","1","7","6","2","3","1") = "6"
    & skf21("7","5","1","7","6","2","4","1") = "6"
    & skf21("7","5","1","7","6","2","5","1") = "6"
    & skf21("7","5","1","7","6","2","6","1") = "6"
    & skf21("7","5","1","7","6","2","7","1") = "6"
    & skf21("7","5","1","7","6","3","1","1") = "6"
    & skf21("7","5","1","7","6","3","2","1") = "6"
    & skf21("7","5","1","7","6","3","3","1") = "6"
    & skf21("7","5","1","7","6","3","4","1") = "6"
    & skf21("7","5","1","7","6","3","5","1") = "6"
    & skf21("7","5","1","7","6","3","6","1") = "6"
    & skf21("7","5","1","7","6","3","7","1") = "6"
    & skf21("7","5","1","7","6","4","1","1") = "6"
    & skf21("7","5","1","7","6","4","2","1") = "6"
    & skf21("7","5","1","7","6","4","3","1") = "6"
    & skf21("7","5","1","7","6","4","4","1") = "6"
    & skf21("7","5","1","7","6","4","5","1") = "6"
    & skf21("7","5","1","7","6","4","6","1") = "6"
    & skf21("7","5","1","7","6","4","7","1") = "6"
    & skf21("7","5","1","7","6","5","1","1") = "6"
    & skf21("7","5","1","7","6","5","2","1") = "6"
    & skf21("7","5","1","7","6","5","3","1") = "6"
    & skf21("7","5","1","7","6","5","4","1") = "6"
    & skf21("7","5","1","7","6","5","5","1") = "6"
    & skf21("7","5","1","7","6","5","6","1") = "6"
    & skf21("7","5","1","7","6","5","7","1") = "6"
    & skf21("7","5","1","7","6","6","1","1") = "6"
    & skf21("7","5","1","7","6","6","2","1") = "6"
    & skf21("7","5","1","7","6","6","3","1") = "6"
    & skf21("7","5","1","7","6","6","4","1") = "6"
    & skf21("7","5","1","7","6","6","5","1") = "6"
    & skf21("7","5","1","7","6","6","6","1") = "6"
    & skf21("7","5","1","7","6","6","7","1") = "6"
    & skf21("7","5","1","7","6","7","1","1") = "6"
    & skf21("7","5","1","7","6","7","2","1") = "6"
    & skf21("7","5","1","7","6","7","3","1") = "6"
    & skf21("7","5","1","7","6","7","4","1") = "6"
    & skf21("7","5","1","7","6","7","5","1") = "6"
    & skf21("7","5","1","7","6","7","6","1") = "6"
    & skf21("7","5","1","7","6","7","7","1") = "6"
    & skf21("7","5","1","7","7","1","1","1") = "6"
    & skf21("7","5","1","7","7","1","2","1") = "6"
    & skf21("7","5","1","7","7","1","3","1") = "6"
    & skf21("7","5","1","7","7","1","4","1") = "6"
    & skf21("7","5","1","7","7","1","5","1") = "6"
    & skf21("7","5","1","7","7","1","6","1") = "6"
    & skf21("7","5","1","7","7","1","7","1") = "6"
    & skf21("7","5","1","7","7","2","1","1") = "6"
    & skf21("7","5","1","7","7","2","2","1") = "6"
    & skf21("7","5","1","7","7","2","3","1") = "6"
    & skf21("7","5","1","7","7","2","4","1") = "6"
    & skf21("7","5","1","7","7","2","5","1") = "6"
    & skf21("7","5","1","7","7","2","6","1") = "6"
    & skf21("7","5","1","7","7","2","7","1") = "6"
    & skf21("7","5","1","7","7","3","1","1") = "6"
    & skf21("7","5","1","7","7","3","2","1") = "6"
    & skf21("7","5","1","7","7","3","3","1") = "6"
    & skf21("7","5","1","7","7","3","4","1") = "6"
    & skf21("7","5","1","7","7","3","5","1") = "6"
    & skf21("7","5","1","7","7","3","6","1") = "6"
    & skf21("7","5","1","7","7","3","7","1") = "6"
    & skf21("7","5","1","7","7","4","1","1") = "6"
    & skf21("7","5","1","7","7","4","2","1") = "6"
    & skf21("7","5","1","7","7","4","3","1") = "6"
    & skf21("7","5","1","7","7","4","4","1") = "6"
    & skf21("7","5","1","7","7","4","5","1") = "6"
    & skf21("7","5","1","7","7","4","6","1") = "6"
    & skf21("7","5","1","7","7","4","7","1") = "6"
    & skf21("7","5","1","7","7","5","1","1") = "6"
    & skf21("7","5","1","7","7","5","2","1") = "6"
    & skf21("7","5","1","7","7","5","3","1") = "6"
    & skf21("7","5","1","7","7","5","4","1") = "6"
    & skf21("7","5","1","7","7","5","5","1") = "6"
    & skf21("7","5","1","7","7","5","6","1") = "6"
    & skf21("7","5","1","7","7","5","7","1") = "6"
    & skf21("7","5","1","7","7","6","1","1") = "6"
    & skf21("7","5","1","7","7","6","2","1") = "6"
    & skf21("7","5","1","7","7","6","3","1") = "6"
    & skf21("7","5","1","7","7","6","4","1") = "6"
    & skf21("7","5","1","7","7","6","5","1") = "6"
    & skf21("7","5","1","7","7","6","6","1") = "6"
    & skf21("7","5","1","7","7","6","7","1") = "6"
    & skf21("7","5","1","7","7","7","1","1") = "6"
    & skf21("7","5","1","7","7","7","2","1") = "6"
    & skf21("7","5","1","7","7","7","3","1") = "6"
    & skf21("7","5","1","7","7","7","4","1") = "6"
    & skf21("7","5","1","7","7","7","5","1") = "6"
    & skf21("7","5","1","7","7","7","6","1") = "6"
    & skf21("7","5","1","7","7","7","7","1") = "6"
    & skf21("7","5","2","1","1","1","1","1") = "6"
    & skf21("7","5","2","1","1","1","2","1") = "6"
    & skf21("7","5","2","1","1","1","3","1") = "6"
    & skf21("7","5","2","1","1","1","4","1") = "6"
    & skf21("7","5","2","1","1","1","5","1") = "6"
    & skf21("7","5","2","1","1","1","6","1") = "6"
    & skf21("7","5","2","1","1","1","7","1") = "6"
    & skf21("7","5","2","1","1","2","1","1") = "6"
    & skf21("7","5","2","1","1","2","2","1") = "6"
    & skf21("7","5","2","1","1","2","3","1") = "6"
    & skf21("7","5","2","1","1","2","4","1") = "6"
    & skf21("7","5","2","1","1","2","5","1") = "6"
    & skf21("7","5","2","1","1","2","6","1") = "6"
    & skf21("7","5","2","1","1","2","7","1") = "6"
    & skf21("7","5","2","1","1","3","1","1") = "6"
    & skf21("7","5","2","1","1","3","2","1") = "6"
    & skf21("7","5","2","1","1","3","3","1") = "6"
    & skf21("7","5","2","1","1","3","4","1") = "6"
    & skf21("7","5","2","1","1","3","5","1") = "6"
    & skf21("7","5","2","1","1","3","6","1") = "6"
    & skf21("7","5","2","1","1","3","7","1") = "6"
    & skf21("7","5","2","1","1","4","1","1") = "6"
    & skf21("7","5","2","1","1","4","2","1") = "6"
    & skf21("7","5","2","1","1","4","3","1") = "6"
    & skf21("7","5","2","1","1","4","4","1") = "6"
    & skf21("7","5","2","1","1","4","5","1") = "6"
    & skf21("7","5","2","1","1","4","6","1") = "6"
    & skf21("7","5","2","1","1","4","7","1") = "6"
    & skf21("7","5","2","1","1","5","1","1") = "6"
    & skf21("7","5","2","1","1","5","2","1") = "6"
    & skf21("7","5","2","1","1","5","3","1") = "6"
    & skf21("7","5","2","1","1","5","4","1") = "6"
    & skf21("7","5","2","1","1","5","5","1") = "6"
    & skf21("7","5","2","1","1","5","6","1") = "6"
    & skf21("7","5","2","1","1","5","7","1") = "6"
    & skf21("7","5","2","1","1","6","1","1") = "6"
    & skf21("7","5","2","1","1","6","2","1") = "6"
    & skf21("7","5","2","1","1","6","3","1") = "6"
    & skf21("7","5","2","1","1","6","4","1") = "6"
    & skf21("7","5","2","1","1","6","5","1") = "6"
    & skf21("7","5","2","1","1","6","6","1") = "6"
    & skf21("7","5","2","1","1","6","7","1") = "6"
    & skf21("7","5","2","1","1","7","1","1") = "6"
    & skf21("7","5","2","1","1","7","2","1") = "6"
    & skf21("7","5","2","1","1","7","3","1") = "6"
    & skf21("7","5","2","1","1","7","4","1") = "6"
    & skf21("7","5","2","1","1","7","5","1") = "6"
    & skf21("7","5","2","1","1","7","6","1") = "6"
    & skf21("7","5","2","1","1","7","7","1") = "6"
    & skf21("7","5","2","1","2","1","1","1") = "6"
    & skf21("7","5","2","1","2","1","2","1") = "6"
    & skf21("7","5","2","1","2","1","3","1") = "6"
    & skf21("7","5","2","1","2","1","4","1") = "6"
    & skf21("7","5","2","1","2","1","5","1") = "6"
    & skf21("7","5","2","1","2","1","6","1") = "6"
    & skf21("7","5","2","1","2","1","7","1") = "6"
    & skf21("7","5","2","1","2","2","1","1") = "6"
    & skf21("7","5","2","1","2","2","2","1") = "6"
    & skf21("7","5","2","1","2","2","3","1") = "6"
    & skf21("7","5","2","1","2","2","4","1") = "6"
    & skf21("7","5","2","1","2","2","5","1") = "6"
    & skf21("7","5","2","1","2","2","6","1") = "6"
    & skf21("7","5","2","1","2","2","7","1") = "6"
    & skf21("7","5","2","1","2","3","1","1") = "6"
    & skf21("7","5","2","1","2","3","2","1") = "6"
    & skf21("7","5","2","1","2","3","3","1") = "6"
    & skf21("7","5","2","1","2","3","4","1") = "6"
    & skf21("7","5","2","1","2","3","5","1") = "6"
    & skf21("7","5","2","1","2","3","6","1") = "6"
    & skf21("7","5","2","1","2","3","7","1") = "6"
    & skf21("7","5","2","1","2","4","1","1") = "6"
    & skf21("7","5","2","1","2","4","2","1") = "6"
    & skf21("7","5","2","1","2","4","3","1") = "6"
    & skf21("7","5","2","1","2","4","4","1") = "6"
    & skf21("7","5","2","1","2","4","5","1") = "6"
    & skf21("7","5","2","1","2","4","6","1") = "6"
    & skf21("7","5","2","1","2","4","7","1") = "6"
    & skf21("7","5","2","1","2","5","1","1") = "6"
    & skf21("7","5","2","1","2","5","2","1") = "6"
    & skf21("7","5","2","1","2","5","3","1") = "6"
    & skf21("7","5","2","1","2","5","4","1") = "6"
    & skf21("7","5","2","1","2","5","5","1") = "6"
    & skf21("7","5","2","1","2","5","6","1") = "6"
    & skf21("7","5","2","1","2","5","7","1") = "6"
    & skf21("7","5","2","1","2","6","1","1") = "6"
    & skf21("7","5","2","1","2","6","2","1") = "6"
    & skf21("7","5","2","1","2","6","3","1") = "6"
    & skf21("7","5","2","1","2","6","4","1") = "6"
    & skf21("7","5","2","1","2","6","5","1") = "6"
    & skf21("7","5","2","1","2","6","6","1") = "6"
    & skf21("7","5","2","1","2","6","7","1") = "6"
    & skf21("7","5","2","1","2","7","1","1") = "6"
    & skf21("7","5","2","1","2","7","2","1") = "6"
    & skf21("7","5","2","1","2","7","3","1") = "6"
    & skf21("7","5","2","1","2","7","4","1") = "6"
    & skf21("7","5","2","1","2","7","5","1") = "6"
    & skf21("7","5","2","1","2","7","6","1") = "6"
    & skf21("7","5","2","1","2","7","7","1") = "6"
    & skf21("7","5","2","1","3","1","1","1") = "6"
    & skf21("7","5","2","1","3","1","2","1") = "6"
    & skf21("7","5","2","1","3","1","3","1") = "6"
    & skf21("7","5","2","1","3","1","4","1") = "6"
    & skf21("7","5","2","1","3","1","5","1") = "6"
    & skf21("7","5","2","1","3","1","6","1") = "6"
    & skf21("7","5","2","1","3","1","7","1") = "6"
    & skf21("7","5","2","1","3","2","1","1") = "6"
    & skf21("7","5","2","1","3","2","2","1") = "6"
    & skf21("7","5","2","1","3","2","3","1") = "6"
    & skf21("7","5","2","1","3","2","4","1") = "6"
    & skf21("7","5","2","1","3","2","5","1") = "6"
    & skf21("7","5","2","1","3","2","6","1") = "6"
    & skf21("7","5","2","1","3","2","7","1") = "6"
    & skf21("7","5","2","1","3","3","1","1") = "6"
    & skf21("7","5","2","1","3","3","2","1") = "6"
    & skf21("7","5","2","1","3","3","3","1") = "6"
    & skf21("7","5","2","1","3","3","4","1") = "6"
    & skf21("7","5","2","1","3","3","5","1") = "6"
    & skf21("7","5","2","1","3","3","6","1") = "6"
    & skf21("7","5","2","1","3","3","7","1") = "6"
    & skf21("7","5","2","1","3","4","1","1") = "6"
    & skf21("7","5","2","1","3","4","2","1") = "6"
    & skf21("7","5","2","1","3","4","3","1") = "6"
    & skf21("7","5","2","1","3","4","4","1") = "6"
    & skf21("7","5","2","1","3","4","5","1") = "6"
    & skf21("7","5","2","1","3","4","6","1") = "6"
    & skf21("7","5","2","1","3","4","7","1") = "6"
    & skf21("7","5","2","1","3","5","1","1") = "6"
    & skf21("7","5","2","1","3","5","2","1") = "6"
    & skf21("7","5","2","1","3","5","3","1") = "6"
    & skf21("7","5","2","1","3","5","4","1") = "6"
    & skf21("7","5","2","1","3","5","5","1") = "6"
    & skf21("7","5","2","1","3","5","6","1") = "6"
    & skf21("7","5","2","1","3","5","7","1") = "6"
    & skf21("7","5","2","1","3","6","1","1") = "6"
    & skf21("7","5","2","1","3","6","2","1") = "6"
    & skf21("7","5","2","1","3","6","3","1") = "6"
    & skf21("7","5","2","1","3","6","4","1") = "6"
    & skf21("7","5","2","1","3","6","5","1") = "6"
    & skf21("7","5","2","1","3","6","6","1") = "6"
    & skf21("7","5","2","1","3","6","7","1") = "6"
    & skf21("7","5","2","1","3","7","1","1") = "6"
    & skf21("7","5","2","1","3","7","2","1") = "6"
    & skf21("7","5","2","1","3","7","3","1") = "6"
    & skf21("7","5","2","1","3","7","4","1") = "6"
    & skf21("7","5","2","1","3","7","5","1") = "6"
    & skf21("7","5","2","1","3","7","6","1") = "6"
    & skf21("7","5","2","1","3","7","7","1") = "6"
    & skf21("7","5","2","1","4","1","1","1") = "6"
    & skf21("7","5","2","1","4","1","2","1") = "6"
    & skf21("7","5","2","1","4","1","3","1") = "6"
    & skf21("7","5","2","1","4","1","4","1") = "6"
    & skf21("7","5","2","1","4","1","5","1") = "6"
    & skf21("7","5","2","1","4","1","6","1") = "6"
    & skf21("7","5","2","1","4","1","7","1") = "6"
    & skf21("7","5","2","1","4","2","1","1") = "6"
    & skf21("7","5","2","1","4","2","2","1") = "6"
    & skf21("7","5","2","1","4","2","3","1") = "6"
    & skf21("7","5","2","1","4","2","4","1") = "6"
    & skf21("7","5","2","1","4","2","5","1") = "6"
    & skf21("7","5","2","1","4","2","6","1") = "6"
    & skf21("7","5","2","1","4","2","7","1") = "6"
    & skf21("7","5","2","1","4","3","1","1") = "6"
    & skf21("7","5","2","1","4","3","2","1") = "6"
    & skf21("7","5","2","1","4","3","3","1") = "6"
    & skf21("7","5","2","1","4","3","4","1") = "6"
    & skf21("7","5","2","1","4","3","5","1") = "6"
    & skf21("7","5","2","1","4","3","6","1") = "6"
    & skf21("7","5","2","1","4","3","7","1") = "6"
    & skf21("7","5","2","1","4","4","1","1") = "6"
    & skf21("7","5","2","1","4","4","2","1") = "6"
    & skf21("7","5","2","1","4","4","3","1") = "6"
    & skf21("7","5","2","1","4","4","4","1") = "6"
    & skf21("7","5","2","1","4","4","5","1") = "6"
    & skf21("7","5","2","1","4","4","6","1") = "6"
    & skf21("7","5","2","1","4","4","7","1") = "6"
    & skf21("7","5","2","1","4","5","1","1") = "6"
    & skf21("7","5","2","1","4","5","2","1") = "6"
    & skf21("7","5","2","1","4","5","3","1") = "6"
    & skf21("7","5","2","1","4","5","4","1") = "6"
    & skf21("7","5","2","1","4","5","5","1") = "6"
    & skf21("7","5","2","1","4","5","6","1") = "6"
    & skf21("7","5","2","1","4","5","7","1") = "6"
    & skf21("7","5","2","1","4","6","1","1") = "6"
    & skf21("7","5","2","1","4","6","2","1") = "6"
    & skf21("7","5","2","1","4","6","3","1") = "6"
    & skf21("7","5","2","1","4","6","4","1") = "6"
    & skf21("7","5","2","1","4","6","5","1") = "6"
    & skf21("7","5","2","1","4","6","6","1") = "6"
    & skf21("7","5","2","1","4","6","7","1") = "6"
    & skf21("7","5","2","1","4","7","1","1") = "6"
    & skf21("7","5","2","1","4","7","2","1") = "6"
    & skf21("7","5","2","1","4","7","3","1") = "6"
    & skf21("7","5","2","1","4","7","4","1") = "6"
    & skf21("7","5","2","1","4","7","5","1") = "6"
    & skf21("7","5","2","1","4","7","6","1") = "6"
    & skf21("7","5","2","1","4","7","7","1") = "6"
    & skf21("7","5","2","1","5","1","1","1") = "6"
    & skf21("7","5","2","1","5","1","2","1") = "6"
    & skf21("7","5","2","1","5","1","3","1") = "6"
    & skf21("7","5","2","1","5","1","4","1") = "6"
    & skf21("7","5","2","1","5","1","5","1") = "6"
    & skf21("7","5","2","1","5","1","6","1") = "6"
    & skf21("7","5","2","1","5","1","7","1") = "6"
    & skf21("7","5","2","1","5","2","1","1") = "6"
    & skf21("7","5","2","1","5","2","2","1") = "6"
    & skf21("7","5","2","1","5","2","3","1") = "6"
    & skf21("7","5","2","1","5","2","4","1") = "6"
    & skf21("7","5","2","1","5","2","5","1") = "6"
    & skf21("7","5","2","1","5","2","6","1") = "6"
    & skf21("7","5","2","1","5","2","7","1") = "6"
    & skf21("7","5","2","1","5","3","1","1") = "6"
    & skf21("7","5","2","1","5","3","2","1") = "6"
    & skf21("7","5","2","1","5","3","3","1") = "6"
    & skf21("7","5","2","1","5","3","4","1") = "6"
    & skf21("7","5","2","1","5","3","5","1") = "6"
    & skf21("7","5","2","1","5","3","6","1") = "6"
    & skf21("7","5","2","1","5","3","7","1") = "6"
    & skf21("7","5","2","1","5","4","1","1") = "6"
    & skf21("7","5","2","1","5","4","2","1") = "6"
    & skf21("7","5","2","1","5","4","3","1") = "6"
    & skf21("7","5","2","1","5","4","4","1") = "6"
    & skf21("7","5","2","1","5","4","5","1") = "6"
    & skf21("7","5","2","1","5","4","6","1") = "6"
    & skf21("7","5","2","1","5","4","7","1") = "6"
    & skf21("7","5","2","1","5","5","1","1") = "6"
    & skf21("7","5","2","1","5","5","2","1") = "6"
    & skf21("7","5","2","1","5","5","3","1") = "6"
    & skf21("7","5","2","1","5","5","4","1") = "6"
    & skf21("7","5","2","1","5","5","5","1") = "6"
    & skf21("7","5","2","1","5","5","6","1") = "6"
    & skf21("7","5","2","1","5","5","7","1") = "6"
    & skf21("7","5","2","1","5","6","1","1") = "6"
    & skf21("7","5","2","1","5","6","2","1") = "6"
    & skf21("7","5","2","1","5","6","3","1") = "6"
    & skf21("7","5","2","1","5","6","4","1") = "6"
    & skf21("7","5","2","1","5","6","5","1") = "6"
    & skf21("7","5","2","1","5","6","6","1") = "6"
    & skf21("7","5","2","1","5","6","7","1") = "6"
    & skf21("7","5","2","1","5","7","1","1") = "6"
    & skf21("7","5","2","1","5","7","2","1") = "6"
    & skf21("7","5","2","1","5","7","3","1") = "6"
    & skf21("7","5","2","1","5","7","4","1") = "6"
    & skf21("7","5","2","1","5","7","5","1") = "6"
    & skf21("7","5","2","1","5","7","6","1") = "6"
    & skf21("7","5","2","1","5","7","7","1") = "6"
    & skf21("7","5","2","1","6","1","1","1") = "6"
    & skf21("7","5","2","1","6","1","2","1") = "6"
    & skf21("7","5","2","1","6","1","3","1") = "6"
    & skf21("7","5","2","1","6","1","4","1") = "6"
    & skf21("7","5","2","1","6","1","5","1") = "6"
    & skf21("7","5","2","1","6","1","6","1") = "6"
    & skf21("7","5","2","1","6","1","7","1") = "6"
    & skf21("7","5","2","1","6","2","1","1") = "6"
    & skf21("7","5","2","1","6","2","2","1") = "6"
    & skf21("7","5","2","1","6","2","3","1") = "6"
    & skf21("7","5","2","1","6","2","4","1") = "6"
    & skf21("7","5","2","1","6","2","5","1") = "6"
    & skf21("7","5","2","1","6","2","6","1") = "6"
    & skf21("7","5","2","1","6","2","7","1") = "6"
    & skf21("7","5","2","1","6","3","1","1") = "6"
    & skf21("7","5","2","1","6","3","2","1") = "6"
    & skf21("7","5","2","1","6","3","3","1") = "6"
    & skf21("7","5","2","1","6","3","4","1") = "6"
    & skf21("7","5","2","1","6","3","5","1") = "6"
    & skf21("7","5","2","1","6","3","6","1") = "6"
    & skf21("7","5","2","1","6","3","7","1") = "6"
    & skf21("7","5","2","1","6","4","1","1") = "6"
    & skf21("7","5","2","1","6","4","2","1") = "6"
    & skf21("7","5","2","1","6","4","3","1") = "6"
    & skf21("7","5","2","1","6","4","4","1") = "6"
    & skf21("7","5","2","1","6","4","5","1") = "6"
    & skf21("7","5","2","1","6","4","6","1") = "6"
    & skf21("7","5","2","1","6","4","7","1") = "6"
    & skf21("7","5","2","1","6","5","1","1") = "6"
    & skf21("7","5","2","1","6","5","2","1") = "6"
    & skf21("7","5","2","1","6","5","3","1") = "6"
    & skf21("7","5","2","1","6","5","4","1") = "6"
    & skf21("7","5","2","1","6","5","5","1") = "6"
    & skf21("7","5","2","1","6","5","6","1") = "6"
    & skf21("7","5","2","1","6","5","7","1") = "6"
    & skf21("7","5","2","1","6","6","1","1") = "6"
    & skf21("7","5","2","1","6","6","2","1") = "6"
    & skf21("7","5","2","1","6","6","3","1") = "6"
    & skf21("7","5","2","1","6","6","4","1") = "6"
    & skf21("7","5","2","1","6","6","5","1") = "6"
    & skf21("7","5","2","1","6","6","6","1") = "6"
    & skf21("7","5","2","1","6","6","7","1") = "6"
    & skf21("7","5","2","1","6","7","1","1") = "6"
    & skf21("7","5","2","1","6","7","2","1") = "6"
    & skf21("7","5","2","1","6","7","3","1") = "6"
    & skf21("7","5","2","1","6","7","4","1") = "6"
    & skf21("7","5","2","1","6","7","5","1") = "6"
    & skf21("7","5","2","1","6","7","6","1") = "6"
    & skf21("7","5","2","1","6","7","7","1") = "6"
    & skf21("7","5","2","1","7","1","1","1") = "6"
    & skf21("7","5","2","1","7","1","2","1") = "6"
    & skf21("7","5","2","1","7","1","3","1") = "6"
    & skf21("7","5","2","1","7","1","4","1") = "6"
    & skf21("7","5","2","1","7","1","5","1") = "6"
    & skf21("7","5","2","1","7","1","6","1") = "6"
    & skf21("7","5","2","1","7","1","7","1") = "6"
    & skf21("7","5","2","1","7","2","1","1") = "6"
    & skf21("7","5","2","1","7","2","2","1") = "6"
    & skf21("7","5","2","1","7","2","3","1") = "6"
    & skf21("7","5","2","1","7","2","4","1") = "6"
    & skf21("7","5","2","1","7","2","5","1") = "6"
    & skf21("7","5","2","1","7","2","6","1") = "6"
    & skf21("7","5","2","1","7","2","7","1") = "6"
    & skf21("7","5","2","1","7","3","1","1") = "6"
    & skf21("7","5","2","1","7","3","2","1") = "6"
    & skf21("7","5","2","1","7","3","3","1") = "6"
    & skf21("7","5","2","1","7","3","4","1") = "6"
    & skf21("7","5","2","1","7","3","5","1") = "6"
    & skf21("7","5","2","1","7","3","6","1") = "6"
    & skf21("7","5","2","1","7","3","7","1") = "6"
    & skf21("7","5","2","1","7","4","1","1") = "6"
    & skf21("7","5","2","1","7","4","2","1") = "6"
    & skf21("7","5","2","1","7","4","3","1") = "6"
    & skf21("7","5","2","1","7","4","4","1") = "6"
    & skf21("7","5","2","1","7","4","5","1") = "6"
    & skf21("7","5","2","1","7","4","6","1") = "6"
    & skf21("7","5","2","1","7","4","7","1") = "6"
    & skf21("7","5","2","1","7","5","1","1") = "6"
    & skf21("7","5","2","1","7","5","2","1") = "6"
    & skf21("7","5","2","1","7","5","3","1") = "6"
    & skf21("7","5","2","1","7","5","4","1") = "6"
    & skf21("7","5","2","1","7","5","5","1") = "6"
    & skf21("7","5","2","1","7","5","6","1") = "6"
    & skf21("7","5","2","1","7","5","7","1") = "6"
    & skf21("7","5","2","1","7","6","1","1") = "6"
    & skf21("7","5","2","1","7","6","2","1") = "6"
    & skf21("7","5","2","1","7","6","3","1") = "6"
    & skf21("7","5","2","1","7","6","4","1") = "6"
    & skf21("7","5","2","1","7","6","5","1") = "6"
    & skf21("7","5","2","1","7","6","6","1") = "6"
    & skf21("7","5","2","1","7","6","7","1") = "6"
    & skf21("7","5","2","1","7","7","1","1") = "6"
    & skf21("7","5","2","1","7","7","2","1") = "6"
    & skf21("7","5","2","1","7","7","3","1") = "6"
    & skf21("7","5","2","1","7","7","4","1") = "6"
    & skf21("7","5","2","1","7","7","5","1") = "6"
    & skf21("7","5","2","1","7","7","6","1") = "6"
    & skf21("7","5","2","1","7","7","7","1") = "6"
    & skf21("7","5","2","2","1","1","1","1") = "6"
    & skf21("7","5","2","2","1","1","2","1") = "6"
    & skf21("7","5","2","2","1","1","3","1") = "6"
    & skf21("7","5","2","2","1","1","4","1") = "6"
    & skf21("7","5","2","2","1","1","5","1") = "6"
    & skf21("7","5","2","2","1","1","6","1") = "6"
    & skf21("7","5","2","2","1","1","7","1") = "6"
    & skf21("7","5","2","2","1","2","1","1") = "6"
    & skf21("7","5","2","2","1","2","2","1") = "6"
    & skf21("7","5","2","2","1","2","3","1") = "6"
    & skf21("7","5","2","2","1","2","4","1") = "6"
    & skf21("7","5","2","2","1","2","5","1") = "6"
    & skf21("7","5","2","2","1","2","6","1") = "6"
    & skf21("7","5","2","2","1","2","7","1") = "6"
    & skf21("7","5","2","2","1","3","1","1") = "6"
    & skf21("7","5","2","2","1","3","2","1") = "6"
    & skf21("7","5","2","2","1","3","3","1") = "6"
    & skf21("7","5","2","2","1","3","4","1") = "6"
    & skf21("7","5","2","2","1","3","5","1") = "6"
    & skf21("7","5","2","2","1","3","6","1") = "6"
    & skf21("7","5","2","2","1","3","7","1") = "6"
    & skf21("7","5","2","2","1","4","1","1") = "6"
    & skf21("7","5","2","2","1","4","2","1") = "6"
    & skf21("7","5","2","2","1","4","3","1") = "6"
    & skf21("7","5","2","2","1","4","4","1") = "6"
    & skf21("7","5","2","2","1","4","5","1") = "6"
    & skf21("7","5","2","2","1","4","6","1") = "6"
    & skf21("7","5","2","2","1","4","7","1") = "6"
    & skf21("7","5","2","2","1","5","1","1") = "6"
    & skf21("7","5","2","2","1","5","2","1") = "6"
    & skf21("7","5","2","2","1","5","3","1") = "6"
    & skf21("7","5","2","2","1","5","4","1") = "6"
    & skf21("7","5","2","2","1","5","5","1") = "6"
    & skf21("7","5","2","2","1","5","6","1") = "6"
    & skf21("7","5","2","2","1","5","7","1") = "6"
    & skf21("7","5","2","2","1","6","1","1") = "6"
    & skf21("7","5","2","2","1","6","2","1") = "6"
    & skf21("7","5","2","2","1","6","3","1") = "6"
    & skf21("7","5","2","2","1","6","4","1") = "6"
    & skf21("7","5","2","2","1","6","5","1") = "6"
    & skf21("7","5","2","2","1","6","6","1") = "6"
    & skf21("7","5","2","2","1","6","7","1") = "6"
    & skf21("7","5","2","2","1","7","1","1") = "6"
    & skf21("7","5","2","2","1","7","2","1") = "6"
    & skf21("7","5","2","2","1","7","3","1") = "6"
    & skf21("7","5","2","2","1","7","4","1") = "6"
    & skf21("7","5","2","2","1","7","5","1") = "6"
    & skf21("7","5","2","2","1","7","6","1") = "6"
    & skf21("7","5","2","2","1","7","7","1") = "6"
    & skf21("7","5","2","2","2","1","1","1") = "6"
    & skf21("7","5","2","2","2","1","2","1") = "6"
    & skf21("7","5","2","2","2","1","3","1") = "6"
    & skf21("7","5","2","2","2","1","4","1") = "6"
    & skf21("7","5","2","2","2","1","5","1") = "6"
    & skf21("7","5","2","2","2","1","6","1") = "6"
    & skf21("7","5","2","2","2","1","7","1") = "6"
    & skf21("7","5","2","2","2","2","1","1") = "6"
    & skf21("7","5","2","2","2","2","2","1") = "6"
    & skf21("7","5","2","2","2","2","3","1") = "6"
    & skf21("7","5","2","2","2","2","4","1") = "6"
    & skf21("7","5","2","2","2","2","5","1") = "6"
    & skf21("7","5","2","2","2","2","6","1") = "6"
    & skf21("7","5","2","2","2","2","7","1") = "6"
    & skf21("7","5","2","2","2","3","1","1") = "6"
    & skf21("7","5","2","2","2","3","2","1") = "6"
    & skf21("7","5","2","2","2","3","3","1") = "6"
    & skf21("7","5","2","2","2","3","4","1") = "6"
    & skf21("7","5","2","2","2","3","5","1") = "6"
    & skf21("7","5","2","2","2","3","6","1") = "6"
    & skf21("7","5","2","2","2","3","7","1") = "6"
    & skf21("7","5","2","2","2","4","1","1") = "6"
    & skf21("7","5","2","2","2","4","2","1") = "6"
    & skf21("7","5","2","2","2","4","3","1") = "6"
    & skf21("7","5","2","2","2","4","4","1") = "6"
    & skf21("7","5","2","2","2","4","5","1") = "6"
    & skf21("7","5","2","2","2","4","6","1") = "6"
    & skf21("7","5","2","2","2","4","7","1") = "6"
    & skf21("7","5","2","2","2","5","1","1") = "6"
    & skf21("7","5","2","2","2","5","2","1") = "6"
    & skf21("7","5","2","2","2","5","3","1") = "6"
    & skf21("7","5","2","2","2","5","4","1") = "6"
    & skf21("7","5","2","2","2","5","5","1") = "6"
    & skf21("7","5","2","2","2","5","6","1") = "6"
    & skf21("7","5","2","2","2","5","7","1") = "6"
    & skf21("7","5","2","2","2","6","1","1") = "6"
    & skf21("7","5","2","2","2","6","2","1") = "6"
    & skf21("7","5","2","2","2","6","3","1") = "6"
    & skf21("7","5","2","2","2","6","4","1") = "6"
    & skf21("7","5","2","2","2","6","5","1") = "6"
    & skf21("7","5","2","2","2","6","6","1") = "6"
    & skf21("7","5","2","2","2","6","7","1") = "6"
    & skf21("7","5","2","2","2","7","1","1") = "6"
    & skf21("7","5","2","2","2","7","2","1") = "6"
    & skf21("7","5","2","2","2","7","3","1") = "6"
    & skf21("7","5","2","2","2","7","4","1") = "6"
    & skf21("7","5","2","2","2","7","5","1") = "6"
    & skf21("7","5","2","2","2","7","6","1") = "6"
    & skf21("7","5","2","2","2","7","7","1") = "6"
    & skf21("7","5","2","2","3","1","1","1") = "6"
    & skf21("7","5","2","2","3","1","2","1") = "6"
    & skf21("7","5","2","2","3","1","3","1") = "6"
    & skf21("7","5","2","2","3","1","4","1") = "6"
    & skf21("7","5","2","2","3","1","5","1") = "6"
    & skf21("7","5","2","2","3","1","6","1") = "6"
    & skf21("7","5","2","2","3","1","7","1") = "6"
    & skf21("7","5","2","2","3","2","1","1") = "6"
    & skf21("7","5","2","2","3","2","2","1") = "6"
    & skf21("7","5","2","2","3","2","3","1") = "6"
    & skf21("7","5","2","2","3","2","4","1") = "6"
    & skf21("7","5","2","2","3","2","5","1") = "6"
    & skf21("7","5","2","2","3","2","6","1") = "6"
    & skf21("7","5","2","2","3","2","7","1") = "6"
    & skf21("7","5","2","2","3","3","1","1") = "6"
    & skf21("7","5","2","2","3","3","2","1") = "6"
    & skf21("7","5","2","2","3","3","3","1") = "6"
    & skf21("7","5","2","2","3","3","4","1") = "6"
    & skf21("7","5","2","2","3","3","5","1") = "6"
    & skf21("7","5","2","2","3","3","6","1") = "6"
    & skf21("7","5","2","2","3","3","7","1") = "6"
    & skf21("7","5","2","2","3","4","1","1") = "6"
    & skf21("7","5","2","2","3","4","2","1") = "6"
    & skf21("7","5","2","2","3","4","3","1") = "6"
    & skf21("7","5","2","2","3","4","4","1") = "6"
    & skf21("7","5","2","2","3","4","5","1") = "6"
    & skf21("7","5","2","2","3","4","6","1") = "6"
    & skf21("7","5","2","2","3","4","7","1") = "6"
    & skf21("7","5","2","2","3","5","1","1") = "6"
    & skf21("7","5","2","2","3","5","2","1") = "6"
    & skf21("7","5","2","2","3","5","3","1") = "6"
    & skf21("7","5","2","2","3","5","4","1") = "6"
    & skf21("7","5","2","2","3","5","5","1") = "6"
    & skf21("7","5","2","2","3","5","6","1") = "6"
    & skf21("7","5","2","2","3","5","7","1") = "6"
    & skf21("7","5","2","2","3","6","1","1") = "6"
    & skf21("7","5","2","2","3","6","2","1") = "6"
    & skf21("7","5","2","2","3","6","3","1") = "6"
    & skf21("7","5","2","2","3","6","4","1") = "6"
    & skf21("7","5","2","2","3","6","5","1") = "6"
    & skf21("7","5","2","2","3","6","6","1") = "6"
    & skf21("7","5","2","2","3","6","7","1") = "6"
    & skf21("7","5","2","2","3","7","1","1") = "6"
    & skf21("7","5","2","2","3","7","2","1") = "6"
    & skf21("7","5","2","2","3","7","3","1") = "6"
    & skf21("7","5","2","2","3","7","4","1") = "6"
    & skf21("7","5","2","2","3","7","5","1") = "6"
    & skf21("7","5","2","2","3","7","6","1") = "6"
    & skf21("7","5","2","2","3","7","7","1") = "6"
    & skf21("7","5","2","2","4","1","1","1") = "6"
    & skf21("7","5","2","2","4","1","2","1") = "6"
    & skf21("7","5","2","2","4","1","3","1") = "6"
    & skf21("7","5","2","2","4","1","4","1") = "6"
    & skf21("7","5","2","2","4","1","5","1") = "6"
    & skf21("7","5","2","2","4","1","6","1") = "6"
    & skf21("7","5","2","2","4","1","7","1") = "6"
    & skf21("7","5","2","2","4","2","1","1") = "6"
    & skf21("7","5","2","2","4","2","2","1") = "6"
    & skf21("7","5","2","2","4","2","3","1") = "6"
    & skf21("7","5","2","2","4","2","4","1") = "6"
    & skf21("7","5","2","2","4","2","5","1") = "6"
    & skf21("7","5","2","2","4","2","6","1") = "6"
    & skf21("7","5","2","2","4","2","7","1") = "6"
    & skf21("7","5","2","2","4","3","1","1") = "6"
    & skf21("7","5","2","2","4","3","2","1") = "6"
    & skf21("7","5","2","2","4","3","3","1") = "6"
    & skf21("7","5","2","2","4","3","4","1") = "6"
    & skf21("7","5","2","2","4","3","5","1") = "6"
    & skf21("7","5","2","2","4","3","6","1") = "6"
    & skf21("7","5","2","2","4","3","7","1") = "6"
    & skf21("7","5","2","2","4","4","1","1") = "6"
    & skf21("7","5","2","2","4","4","2","1") = "6"
    & skf21("7","5","2","2","4","4","3","1") = "6"
    & skf21("7","5","2","2","4","4","4","1") = "6"
    & skf21("7","5","2","2","4","4","5","1") = "6"
    & skf21("7","5","2","2","4","4","6","1") = "6"
    & skf21("7","5","2","2","4","4","7","1") = "6"
    & skf21("7","5","2","2","4","5","1","1") = "6"
    & skf21("7","5","2","2","4","5","2","1") = "6"
    & skf21("7","5","2","2","4","5","3","1") = "6"
    & skf21("7","5","2","2","4","5","4","1") = "6"
    & skf21("7","5","2","2","4","5","5","1") = "6"
    & skf21("7","5","2","2","4","5","6","1") = "6"
    & skf21("7","5","2","2","4","5","7","1") = "6"
    & skf21("7","5","2","2","4","6","1","1") = "6"
    & skf21("7","5","2","2","4","6","2","1") = "6"
    & skf21("7","5","2","2","4","6","3","1") = "6"
    & skf21("7","5","2","2","4","6","4","1") = "6"
    & skf21("7","5","2","2","4","6","5","1") = "6"
    & skf21("7","5","2","2","4","6","6","1") = "6"
    & skf21("7","5","2","2","4","6","7","1") = "6"
    & skf21("7","5","2","2","4","7","1","1") = "6"
    & skf21("7","5","2","2","4","7","2","1") = "6"
    & skf21("7","5","2","2","4","7","3","1") = "6"
    & skf21("7","5","2","2","4","7","4","1") = "6"
    & skf21("7","5","2","2","4","7","5","1") = "6"
    & skf21("7","5","2","2","4","7","6","1") = "6"
    & skf21("7","5","2","2","4","7","7","1") = "6"
    & skf21("7","5","2","2","5","1","1","1") = "6"
    & skf21("7","5","2","2","5","1","2","1") = "6"
    & skf21("7","5","2","2","5","1","3","1") = "6"
    & skf21("7","5","2","2","5","1","4","1") = "6"
    & skf21("7","5","2","2","5","1","5","1") = "6"
    & skf21("7","5","2","2","5","1","6","1") = "6"
    & skf21("7","5","2","2","5","1","7","1") = "6"
    & skf21("7","5","2","2","5","2","1","1") = "6"
    & skf21("7","5","2","2","5","2","2","1") = "6"
    & skf21("7","5","2","2","5","2","3","1") = "6"
    & skf21("7","5","2","2","5","2","4","1") = "6"
    & skf21("7","5","2","2","5","2","5","1") = "6"
    & skf21("7","5","2","2","5","2","6","1") = "6"
    & skf21("7","5","2","2","5","2","7","1") = "6"
    & skf21("7","5","2","2","5","3","1","1") = "6"
    & skf21("7","5","2","2","5","3","2","1") = "6"
    & skf21("7","5","2","2","5","3","3","1") = "6"
    & skf21("7","5","2","2","5","3","4","1") = "6"
    & skf21("7","5","2","2","5","3","5","1") = "6"
    & skf21("7","5","2","2","5","3","6","1") = "6"
    & skf21("7","5","2","2","5","3","7","1") = "6"
    & skf21("7","5","2","2","5","4","1","1") = "6"
    & skf21("7","5","2","2","5","4","2","1") = "6"
    & skf21("7","5","2","2","5","4","3","1") = "6"
    & skf21("7","5","2","2","5","4","4","1") = "6"
    & skf21("7","5","2","2","5","4","5","1") = "6"
    & skf21("7","5","2","2","5","4","6","1") = "6"
    & skf21("7","5","2","2","5","4","7","1") = "6"
    & skf21("7","5","2","2","5","5","1","1") = "6"
    & skf21("7","5","2","2","5","5","2","1") = "6"
    & skf21("7","5","2","2","5","5","3","1") = "6"
    & skf21("7","5","2","2","5","5","4","1") = "6"
    & skf21("7","5","2","2","5","5","5","1") = "6"
    & skf21("7","5","2","2","5","5","6","1") = "6"
    & skf21("7","5","2","2","5","5","7","1") = "6"
    & skf21("7","5","2","2","5","6","1","1") = "6"
    & skf21("7","5","2","2","5","6","2","1") = "6"
    & skf21("7","5","2","2","5","6","3","1") = "6"
    & skf21("7","5","2","2","5","6","4","1") = "6"
    & skf21("7","5","2","2","5","6","5","1") = "6"
    & skf21("7","5","2","2","5","6","6","1") = "6"
    & skf21("7","5","2","2","5","6","7","1") = "6"
    & skf21("7","5","2","2","5","7","1","1") = "6"
    & skf21("7","5","2","2","5","7","2","1") = "6"
    & skf21("7","5","2","2","5","7","3","1") = "6"
    & skf21("7","5","2","2","5","7","4","1") = "6"
    & skf21("7","5","2","2","5","7","5","1") = "6"
    & skf21("7","5","2","2","5","7","6","1") = "6"
    & skf21("7","5","2","2","5","7","7","1") = "6"
    & skf21("7","5","2","2","6","1","1","1") = "6"
    & skf21("7","5","2","2","6","1","2","1") = "6"
    & skf21("7","5","2","2","6","1","3","1") = "6"
    & skf21("7","5","2","2","6","1","4","1") = "6"
    & skf21("7","5","2","2","6","1","5","1") = "6"
    & skf21("7","5","2","2","6","1","6","1") = "6"
    & skf21("7","5","2","2","6","1","7","1") = "6"
    & skf21("7","5","2","2","6","2","1","1") = "6"
    & skf21("7","5","2","2","6","2","2","1") = "6"
    & skf21("7","5","2","2","6","2","3","1") = "6"
    & skf21("7","5","2","2","6","2","4","1") = "6"
    & skf21("7","5","2","2","6","2","5","1") = "6"
    & skf21("7","5","2","2","6","2","6","1") = "6"
    & skf21("7","5","2","2","6","2","7","1") = "6"
    & skf21("7","5","2","2","6","3","1","1") = "6"
    & skf21("7","5","2","2","6","3","2","1") = "6"
    & skf21("7","5","2","2","6","3","3","1") = "6"
    & skf21("7","5","2","2","6","3","4","1") = "6"
    & skf21("7","5","2","2","6","3","5","1") = "6"
    & skf21("7","5","2","2","6","3","6","1") = "6"
    & skf21("7","5","2","2","6","3","7","1") = "6"
    & skf21("7","5","2","2","6","4","1","1") = "6"
    & skf21("7","5","2","2","6","4","2","1") = "6"
    & skf21("7","5","2","2","6","4","3","1") = "6"
    & skf21("7","5","2","2","6","4","4","1") = "6"
    & skf21("7","5","2","2","6","4","5","1") = "6"
    & skf21("7","5","2","2","6","4","6","1") = "6"
    & skf21("7","5","2","2","6","4","7","1") = "6"
    & skf21("7","5","2","2","6","5","1","1") = "6"
    & skf21("7","5","2","2","6","5","2","1") = "6"
    & skf21("7","5","2","2","6","5","3","1") = "6"
    & skf21("7","5","2","2","6","5","4","1") = "6"
    & skf21("7","5","2","2","6","5","5","1") = "6"
    & skf21("7","5","2","2","6","5","6","1") = "6"
    & skf21("7","5","2","2","6","5","7","1") = "6"
    & skf21("7","5","2","2","6","6","1","1") = "6"
    & skf21("7","5","2","2","6","6","2","1") = "6"
    & skf21("7","5","2","2","6","6","3","1") = "6"
    & skf21("7","5","2","2","6","6","4","1") = "6"
    & skf21("7","5","2","2","6","6","5","1") = "6"
    & skf21("7","5","2","2","6","6","6","1") = "6"
    & skf21("7","5","2","2","6","6","7","1") = "6"
    & skf21("7","5","2","2","6","7","1","1") = "6"
    & skf21("7","5","2","2","6","7","2","1") = "6"
    & skf21("7","5","2","2","6","7","3","1") = "6"
    & skf21("7","5","2","2","6","7","4","1") = "6"
    & skf21("7","5","2","2","6","7","5","1") = "6"
    & skf21("7","5","2","2","6","7","6","1") = "6"
    & skf21("7","5","2","2","6","7","7","1") = "6"
    & skf21("7","5","2","2","7","1","1","1") = "6"
    & skf21("7","5","2","2","7","1","2","1") = "6"
    & skf21("7","5","2","2","7","1","3","1") = "6"
    & skf21("7","5","2","2","7","1","4","1") = "6"
    & skf21("7","5","2","2","7","1","5","1") = "6"
    & skf21("7","5","2","2","7","1","6","1") = "6"
    & skf21("7","5","2","2","7","1","7","1") = "6"
    & skf21("7","5","2","2","7","2","1","1") = "6"
    & skf21("7","5","2","2","7","2","2","1") = "6"
    & skf21("7","5","2","2","7","2","3","1") = "6"
    & skf21("7","5","2","2","7","2","4","1") = "6"
    & skf21("7","5","2","2","7","2","5","1") = "6"
    & skf21("7","5","2","2","7","2","6","1") = "6"
    & skf21("7","5","2","2","7","2","7","1") = "6"
    & skf21("7","5","2","2","7","3","1","1") = "6"
    & skf21("7","5","2","2","7","3","2","1") = "6"
    & skf21("7","5","2","2","7","3","3","1") = "6"
    & skf21("7","5","2","2","7","3","4","1") = "6"
    & skf21("7","5","2","2","7","3","5","1") = "6"
    & skf21("7","5","2","2","7","3","6","1") = "6"
    & skf21("7","5","2","2","7","3","7","1") = "6"
    & skf21("7","5","2","2","7","4","1","1") = "6"
    & skf21("7","5","2","2","7","4","2","1") = "6"
    & skf21("7","5","2","2","7","4","3","1") = "6"
    & skf21("7","5","2","2","7","4","4","1") = "6"
    & skf21("7","5","2","2","7","4","5","1") = "6"
    & skf21("7","5","2","2","7","4","6","1") = "6"
    & skf21("7","5","2","2","7","4","7","1") = "6"
    & skf21("7","5","2","2","7","5","1","1") = "6"
    & skf21("7","5","2","2","7","5","2","1") = "6"
    & skf21("7","5","2","2","7","5","3","1") = "6"
    & skf21("7","5","2","2","7","5","4","1") = "6"
    & skf21("7","5","2","2","7","5","5","1") = "6"
    & skf21("7","5","2","2","7","5","6","1") = "6"
    & skf21("7","5","2","2","7","5","7","1") = "6"
    & skf21("7","5","2","2","7","6","1","1") = "6"
    & skf21("7","5","2","2","7","6","2","1") = "6"
    & skf21("7","5","2","2","7","6","3","1") = "6"
    & skf21("7","5","2","2","7","6","4","1") = "6"
    & skf21("7","5","2","2","7","6","5","1") = "6"
    & skf21("7","5","2","2","7","6","6","1") = "6"
    & skf21("7","5","2","2","7","6","7","1") = "6"
    & skf21("7","5","2","2","7","7","1","1") = "6"
    & skf21("7","5","2","2","7","7","2","1") = "6"
    & skf21("7","5","2","2","7","7","3","1") = "6"
    & skf21("7","5","2","2","7","7","4","1") = "6"
    & skf21("7","5","2","2","7","7","5","1") = "6"
    & skf21("7","5","2","2","7","7","6","1") = "6"
    & skf21("7","5","2","2","7","7","7","1") = "6"
    & skf21("7","5","2","3","1","1","1","1") = "6"
    & skf21("7","5","2","3","1","1","2","1") = "6"
    & skf21("7","5","2","3","1","1","3","1") = "6"
    & skf21("7","5","2","3","1","1","4","1") = "6"
    & skf21("7","5","2","3","1","1","5","1") = "6"
    & skf21("7","5","2","3","1","1","6","1") = "6"
    & skf21("7","5","2","3","1","1","7","1") = "6"
    & skf21("7","5","2","3","1","2","1","1") = "6"
    & skf21("7","5","2","3","1","2","2","1") = "6"
    & skf21("7","5","2","3","1","2","3","1") = "6"
    & skf21("7","5","2","3","1","2","4","1") = "6"
    & skf21("7","5","2","3","1","2","5","1") = "6"
    & skf21("7","5","2","3","1","2","6","1") = "6"
    & skf21("7","5","2","3","1","2","7","1") = "6"
    & skf21("7","5","2","3","1","3","1","1") = "6"
    & skf21("7","5","2","3","1","3","2","1") = "6"
    & skf21("7","5","2","3","1","3","3","1") = "6"
    & skf21("7","5","2","3","1","3","4","1") = "6"
    & skf21("7","5","2","3","1","3","5","1") = "6"
    & skf21("7","5","2","3","1","3","6","1") = "6"
    & skf21("7","5","2","3","1","3","7","1") = "6"
    & skf21("7","5","2","3","1","4","1","1") = "6"
    & skf21("7","5","2","3","1","4","2","1") = "6"
    & skf21("7","5","2","3","1","4","3","1") = "6"
    & skf21("7","5","2","3","1","4","4","1") = "6"
    & skf21("7","5","2","3","1","4","5","1") = "6"
    & skf21("7","5","2","3","1","4","6","1") = "6"
    & skf21("7","5","2","3","1","4","7","1") = "6"
    & skf21("7","5","2","3","1","5","1","1") = "6"
    & skf21("7","5","2","3","1","5","2","1") = "6"
    & skf21("7","5","2","3","1","5","3","1") = "6"
    & skf21("7","5","2","3","1","5","4","1") = "6"
    & skf21("7","5","2","3","1","5","5","1") = "6"
    & skf21("7","5","2","3","1","5","6","1") = "6"
    & skf21("7","5","2","3","1","5","7","1") = "6"
    & skf21("7","5","2","3","1","6","1","1") = "6"
    & skf21("7","5","2","3","1","6","2","1") = "6"
    & skf21("7","5","2","3","1","6","3","1") = "6"
    & skf21("7","5","2","3","1","6","4","1") = "6"
    & skf21("7","5","2","3","1","6","5","1") = "6"
    & skf21("7","5","2","3","1","6","6","1") = "6"
    & skf21("7","5","2","3","1","6","7","1") = "6"
    & skf21("7","5","2","3","1","7","1","1") = "6"
    & skf21("7","5","2","3","1","7","2","1") = "6"
    & skf21("7","5","2","3","1","7","3","1") = "6"
    & skf21("7","5","2","3","1","7","4","1") = "6"
    & skf21("7","5","2","3","1","7","5","1") = "6"
    & skf21("7","5","2","3","1","7","6","1") = "6"
    & skf21("7","5","2","3","1","7","7","1") = "6"
    & skf21("7","5","2","3","2","1","1","1") = "6"
    & skf21("7","5","2","3","2","1","2","1") = "6"
    & skf21("7","5","2","3","2","1","3","1") = "6"
    & skf21("7","5","2","3","2","1","4","1") = "6"
    & skf21("7","5","2","3","2","1","5","1") = "6"
    & skf21("7","5","2","3","2","1","6","1") = "6"
    & skf21("7","5","2","3","2","1","7","1") = "6"
    & skf21("7","5","2","3","2","2","1","1") = "6"
    & skf21("7","5","2","3","2","2","2","1") = "6"
    & skf21("7","5","2","3","2","2","3","1") = "6"
    & skf21("7","5","2","3","2","2","4","1") = "6"
    & skf21("7","5","2","3","2","2","5","1") = "6"
    & skf21("7","5","2","3","2","2","6","1") = "6"
    & skf21("7","5","2","3","2","2","7","1") = "6"
    & skf21("7","5","2","3","2","3","1","1") = "6"
    & skf21("7","5","2","3","2","3","2","1") = "6"
    & skf21("7","5","2","3","2","3","3","1") = "6"
    & skf21("7","5","2","3","2","3","4","1") = "6"
    & skf21("7","5","2","3","2","3","5","1") = "6"
    & skf21("7","5","2","3","2","3","6","1") = "6"
    & skf21("7","5","2","3","2","3","7","1") = "6"
    & skf21("7","5","2","3","2","4","1","1") = "6"
    & skf21("7","5","2","3","2","4","2","1") = "6"
    & skf21("7","5","2","3","2","4","3","1") = "6"
    & skf21("7","5","2","3","2","4","4","1") = "6"
    & skf21("7","5","2","3","2","4","5","1") = "6"
    & skf21("7","5","2","3","2","4","6","1") = "6"
    & skf21("7","5","2","3","2","4","7","1") = "6"
    & skf21("7","5","2","3","2","5","1","1") = "6"
    & skf21("7","5","2","3","2","5","2","1") = "6"
    & skf21("7","5","2","3","2","5","3","1") = "6"
    & skf21("7","5","2","3","2","5","4","1") = "6"
    & skf21("7","5","2","3","2","5","5","1") = "6"
    & skf21("7","5","2","3","2","5","6","1") = "6"
    & skf21("7","5","2","3","2","5","7","1") = "6"
    & skf21("7","5","2","3","2","6","1","1") = "6"
    & skf21("7","5","2","3","2","6","2","1") = "6"
    & skf21("7","5","2","3","2","6","3","1") = "6"
    & skf21("7","5","2","3","2","6","4","1") = "6"
    & skf21("7","5","2","3","2","6","5","1") = "6"
    & skf21("7","5","2","3","2","6","6","1") = "6"
    & skf21("7","5","2","3","2","6","7","1") = "6"
    & skf21("7","5","2","3","2","7","1","1") = "6"
    & skf21("7","5","2","3","2","7","2","1") = "6"
    & skf21("7","5","2","3","2","7","3","1") = "6"
    & skf21("7","5","2","3","2","7","4","1") = "6"
    & skf21("7","5","2","3","2","7","5","1") = "6"
    & skf21("7","5","2","3","2","7","6","1") = "6"
    & skf21("7","5","2","3","2","7","7","1") = "6"
    & skf21("7","5","2","3","3","1","1","1") = "6"
    & skf21("7","5","2","3","3","1","2","1") = "6"
    & skf21("7","5","2","3","3","1","3","1") = "6"
    & skf21("7","5","2","3","3","1","4","1") = "6"
    & skf21("7","5","2","3","3","1","5","1") = "6"
    & skf21("7","5","2","3","3","1","6","1") = "6"
    & skf21("7","5","2","3","3","1","7","1") = "6"
    & skf21("7","5","2","3","3","2","1","1") = "6"
    & skf21("7","5","2","3","3","2","2","1") = "6"
    & skf21("7","5","2","3","3","2","3","1") = "6"
    & skf21("7","5","2","3","3","2","4","1") = "6"
    & skf21("7","5","2","3","3","2","5","1") = "6"
    & skf21("7","5","2","3","3","2","6","1") = "6"
    & skf21("7","5","2","3","3","2","7","1") = "6"
    & skf21("7","5","2","3","3","3","1","1") = "6"
    & skf21("7","5","2","3","3","3","2","1") = "6"
    & skf21("7","5","2","3","3","3","3","1") = "6"
    & skf21("7","5","2","3","3","3","4","1") = "6"
    & skf21("7","5","2","3","3","3","5","1") = "6"
    & skf21("7","5","2","3","3","3","6","1") = "6"
    & skf21("7","5","2","3","3","3","7","1") = "6"
    & skf21("7","5","2","3","3","4","1","1") = "6"
    & skf21("7","5","2","3","3","4","2","1") = "6"
    & skf21("7","5","2","3","3","4","3","1") = "6"
    & skf21("7","5","2","3","3","4","4","1") = "6"
    & skf21("7","5","2","3","3","4","5","1") = "6"
    & skf21("7","5","2","3","3","4","6","1") = "6"
    & skf21("7","5","2","3","3","4","7","1") = "6"
    & skf21("7","5","2","3","3","5","1","1") = "6"
    & skf21("7","5","2","3","3","5","2","1") = "6"
    & skf21("7","5","2","3","3","5","3","1") = "6"
    & skf21("7","5","2","3","3","5","4","1") = "6"
    & skf21("7","5","2","3","3","5","5","1") = "6"
    & skf21("7","5","2","3","3","5","6","1") = "6"
    & skf21("7","5","2","3","3","5","7","1") = "6"
    & skf21("7","5","2","3","3","6","1","1") = "6"
    & skf21("7","5","2","3","3","6","2","1") = "6"
    & skf21("7","5","2","3","3","6","3","1") = "6"
    & skf21("7","5","2","3","3","6","4","1") = "6"
    & skf21("7","5","2","3","3","6","5","1") = "6"
    & skf21("7","5","2","3","3","6","6","1") = "6"
    & skf21("7","5","2","3","3","6","7","1") = "6"
    & skf21("7","5","2","3","3","7","1","1") = "6"
    & skf21("7","5","2","3","3","7","2","1") = "6"
    & skf21("7","5","2","3","3","7","3","1") = "6"
    & skf21("7","5","2","3","3","7","4","1") = "6"
    & skf21("7","5","2","3","3","7","5","1") = "6"
    & skf21("7","5","2","3","3","7","6","1") = "6"
    & skf21("7","5","2","3","3","7","7","1") = "6"
    & skf21("7","5","2","3","4","1","1","1") = "6"
    & skf21("7","5","2","3","4","1","2","1") = "6"
    & skf21("7","5","2","3","4","1","3","1") = "6"
    & skf21("7","5","2","3","4","1","4","1") = "6"
    & skf21("7","5","2","3","4","1","5","1") = "6"
    & skf21("7","5","2","3","4","1","6","1") = "6"
    & skf21("7","5","2","3","4","1","7","1") = "6"
    & skf21("7","5","2","3","4","2","1","1") = "6"
    & skf21("7","5","2","3","4","2","2","1") = "6"
    & skf21("7","5","2","3","4","2","3","1") = "6"
    & skf21("7","5","2","3","4","2","4","1") = "6"
    & skf21("7","5","2","3","4","2","5","1") = "6"
    & skf21("7","5","2","3","4","2","6","1") = "6"
    & skf21("7","5","2","3","4","2","7","1") = "6"
    & skf21("7","5","2","3","4","3","1","1") = "6"
    & skf21("7","5","2","3","4","3","2","1") = "6"
    & skf21("7","5","2","3","4","3","3","1") = "6"
    & skf21("7","5","2","3","4","3","4","1") = "6"
    & skf21("7","5","2","3","4","3","5","1") = "6"
    & skf21("7","5","2","3","4","3","6","1") = "6"
    & skf21("7","5","2","3","4","3","7","1") = "6"
    & skf21("7","5","2","3","4","4","1","1") = "6"
    & skf21("7","5","2","3","4","4","2","1") = "6"
    & skf21("7","5","2","3","4","4","3","1") = "6"
    & skf21("7","5","2","3","4","4","4","1") = "6"
    & skf21("7","5","2","3","4","4","5","1") = "6"
    & skf21("7","5","2","3","4","4","6","1") = "6"
    & skf21("7","5","2","3","4","4","7","1") = "6"
    & skf21("7","5","2","3","4","5","1","1") = "6"
    & skf21("7","5","2","3","4","5","2","1") = "6"
    & skf21("7","5","2","3","4","5","3","1") = "6"
    & skf21("7","5","2","3","4","5","4","1") = "6"
    & skf21("7","5","2","3","4","5","5","1") = "6"
    & skf21("7","5","2","3","4","5","6","1") = "6"
    & skf21("7","5","2","3","4","5","7","1") = "6"
    & skf21("7","5","2","3","4","6","1","1") = "6"
    & skf21("7","5","2","3","4","6","2","1") = "6"
    & skf21("7","5","2","3","4","6","3","1") = "6"
    & skf21("7","5","2","3","4","6","4","1") = "6"
    & skf21("7","5","2","3","4","6","5","1") = "6"
    & skf21("7","5","2","3","4","6","6","1") = "6"
    & skf21("7","5","2","3","4","6","7","1") = "6"
    & skf21("7","5","2","3","4","7","1","1") = "6"
    & skf21("7","5","2","3","4","7","2","1") = "6"
    & skf21("7","5","2","3","4","7","3","1") = "6"
    & skf21("7","5","2","3","4","7","4","1") = "6"
    & skf21("7","5","2","3","4","7","5","1") = "6"
    & skf21("7","5","2","3","4","7","6","1") = "6"
    & skf21("7","5","2","3","4","7","7","1") = "6"
    & skf21("7","5","2","3","5","1","1","1") = "6"
    & skf21("7","5","2","3","5","1","2","1") = "6"
    & skf21("7","5","2","3","5","1","3","1") = "6"
    & skf21("7","5","2","3","5","1","4","1") = "6"
    & skf21("7","5","2","3","5","1","5","1") = "6"
    & skf21("7","5","2","3","5","1","6","1") = "6"
    & skf21("7","5","2","3","5","1","7","1") = "6"
    & skf21("7","5","2","3","5","2","1","1") = "6"
    & skf21("7","5","2","3","5","2","2","1") = "6"
    & skf21("7","5","2","3","5","2","3","1") = "6"
    & skf21("7","5","2","3","5","2","4","1") = "6"
    & skf21("7","5","2","3","5","2","5","1") = "6"
    & skf21("7","5","2","3","5","2","6","1") = "6"
    & skf21("7","5","2","3","5","2","7","1") = "6"
    & skf21("7","5","2","3","5","3","1","1") = "6"
    & skf21("7","5","2","3","5","3","2","1") = "6"
    & skf21("7","5","2","3","5","3","3","1") = "6"
    & skf21("7","5","2","3","5","3","4","1") = "6"
    & skf21("7","5","2","3","5","3","5","1") = "6"
    & skf21("7","5","2","3","5","3","6","1") = "6"
    & skf21("7","5","2","3","5","3","7","1") = "6"
    & skf21("7","5","2","3","5","4","1","1") = "6"
    & skf21("7","5","2","3","5","4","2","1") = "6"
    & skf21("7","5","2","3","5","4","3","1") = "6"
    & skf21("7","5","2","3","5","4","4","1") = "6"
    & skf21("7","5","2","3","5","4","5","1") = "6"
    & skf21("7","5","2","3","5","4","6","1") = "6"
    & skf21("7","5","2","3","5","4","7","1") = "6"
    & skf21("7","5","2","3","5","5","1","1") = "6"
    & skf21("7","5","2","3","5","5","2","1") = "6"
    & skf21("7","5","2","3","5","5","3","1") = "6"
    & skf21("7","5","2","3","5","5","4","1") = "6"
    & skf21("7","5","2","3","5","5","5","1") = "6"
    & skf21("7","5","2","3","5","5","6","1") = "6"
    & skf21("7","5","2","3","5","5","7","1") = "6"
    & skf21("7","5","2","3","5","6","1","1") = "6"
    & skf21("7","5","2","3","5","6","2","1") = "6"
    & skf21("7","5","2","3","5","6","3","1") = "6"
    & skf21("7","5","2","3","5","6","4","1") = "6"
    & skf21("7","5","2","3","5","6","5","1") = "6"
    & skf21("7","5","2","3","5","6","6","1") = "6"
    & skf21("7","5","2","3","5","6","7","1") = "6"
    & skf21("7","5","2","3","5","7","1","1") = "6"
    & skf21("7","5","2","3","5","7","2","1") = "6"
    & skf21("7","5","2","3","5","7","3","1") = "6"
    & skf21("7","5","2","3","5","7","4","1") = "6"
    & skf21("7","5","2","3","5","7","5","1") = "6"
    & skf21("7","5","2","3","5","7","6","1") = "6"
    & skf21("7","5","2","3","5","7","7","1") = "6"
    & skf21("7","5","2","3","6","1","1","1") = "6"
    & skf21("7","5","2","3","6","1","2","1") = "6"
    & skf21("7","5","2","3","6","1","3","1") = "6"
    & skf21("7","5","2","3","6","1","4","1") = "6"
    & skf21("7","5","2","3","6","1","5","1") = "6"
    & skf21("7","5","2","3","6","1","6","1") = "6"
    & skf21("7","5","2","3","6","1","7","1") = "6"
    & skf21("7","5","2","3","6","2","1","1") = "6"
    & skf21("7","5","2","3","6","2","2","1") = "6"
    & skf21("7","5","2","3","6","2","3","1") = "6"
    & skf21("7","5","2","3","6","2","4","1") = "6"
    & skf21("7","5","2","3","6","2","5","1") = "6"
    & skf21("7","5","2","3","6","2","6","1") = "6"
    & skf21("7","5","2","3","6","2","7","1") = "6"
    & skf21("7","5","2","3","6","3","1","1") = "6"
    & skf21("7","5","2","3","6","3","2","1") = "6"
    & skf21("7","5","2","3","6","3","3","1") = "6"
    & skf21("7","5","2","3","6","3","4","1") = "6"
    & skf21("7","5","2","3","6","3","5","1") = "6"
    & skf21("7","5","2","3","6","3","6","1") = "6"
    & skf21("7","5","2","3","6","3","7","1") = "6"
    & skf21("7","5","2","3","6","4","1","1") = "6"
    & skf21("7","5","2","3","6","4","2","1") = "6"
    & skf21("7","5","2","3","6","4","3","1") = "6"
    & skf21("7","5","2","3","6","4","4","1") = "6"
    & skf21("7","5","2","3","6","4","5","1") = "6"
    & skf21("7","5","2","3","6","4","6","1") = "6"
    & skf21("7","5","2","3","6","4","7","1") = "6"
    & skf21("7","5","2","3","6","5","1","1") = "6"
    & skf21("7","5","2","3","6","5","2","1") = "6"
    & skf21("7","5","2","3","6","5","3","1") = "6"
    & skf21("7","5","2","3","6","5","4","1") = "6"
    & skf21("7","5","2","3","6","5","5","1") = "6"
    & skf21("7","5","2","3","6","5","6","1") = "6"
    & skf21("7","5","2","3","6","5","7","1") = "6"
    & skf21("7","5","2","3","6","6","1","1") = "6"
    & skf21("7","5","2","3","6","6","2","1") = "6"
    & skf21("7","5","2","3","6","6","3","1") = "6"
    & skf21("7","5","2","3","6","6","4","1") = "6"
    & skf21("7","5","2","3","6","6","5","1") = "6"
    & skf21("7","5","2","3","6","6","6","1") = "6"
    & skf21("7","5","2","3","6","6","7","1") = "6"
    & skf21("7","5","2","3","6","7","1","1") = "6"
    & skf21("7","5","2","3","6","7","2","1") = "6"
    & skf21("7","5","2","3","6","7","3","1") = "6"
    & skf21("7","5","2","3","6","7","4","1") = "6"
    & skf21("7","5","2","3","6","7","5","1") = "6"
    & skf21("7","5","2","3","6","7","6","1") = "6"
    & skf21("7","5","2","3","6","7","7","1") = "6"
    & skf21("7","5","2","3","7","1","1","1") = "6"
    & skf21("7","5","2","3","7","1","2","1") = "6"
    & skf21("7","5","2","3","7","1","3","1") = "6"
    & skf21("7","5","2","3","7","1","4","1") = "6"
    & skf21("7","5","2","3","7","1","5","1") = "6"
    & skf21("7","5","2","3","7","1","6","1") = "6"
    & skf21("7","5","2","3","7","1","7","1") = "6"
    & skf21("7","5","2","3","7","2","1","1") = "6"
    & skf21("7","5","2","3","7","2","2","1") = "6"
    & skf21("7","5","2","3","7","2","3","1") = "6"
    & skf21("7","5","2","3","7","2","4","1") = "6"
    & skf21("7","5","2","3","7","2","5","1") = "6"
    & skf21("7","5","2","3","7","2","6","1") = "6"
    & skf21("7","5","2","3","7","2","7","1") = "6"
    & skf21("7","5","2","3","7","3","1","1") = "6"
    & skf21("7","5","2","3","7","3","2","1") = "6"
    & skf21("7","5","2","3","7","3","3","1") = "6"
    & skf21("7","5","2","3","7","3","4","1") = "6"
    & skf21("7","5","2","3","7","3","5","1") = "6"
    & skf21("7","5","2","3","7","3","6","1") = "6"
    & skf21("7","5","2","3","7","3","7","1") = "6"
    & skf21("7","5","2","3","7","4","1","1") = "6"
    & skf21("7","5","2","3","7","4","2","1") = "6"
    & skf21("7","5","2","3","7","4","3","1") = "6"
    & skf21("7","5","2","3","7","4","4","1") = "6"
    & skf21("7","5","2","3","7","4","5","1") = "6"
    & skf21("7","5","2","3","7","4","6","1") = "6"
    & skf21("7","5","2","3","7","4","7","1") = "6"
    & skf21("7","5","2","3","7","5","1","1") = "6"
    & skf21("7","5","2","3","7","5","2","1") = "6"
    & skf21("7","5","2","3","7","5","3","1") = "6"
    & skf21("7","5","2","3","7","5","4","1") = "6"
    & skf21("7","5","2","3","7","5","5","1") = "6"
    & skf21("7","5","2","3","7","5","6","1") = "6"
    & skf21("7","5","2","3","7","5","7","1") = "6"
    & skf21("7","5","2","3","7","6","1","1") = "6"
    & skf21("7","5","2","3","7","6","2","1") = "6"
    & skf21("7","5","2","3","7","6","3","1") = "6"
    & skf21("7","5","2","3","7","6","4","1") = "6"
    & skf21("7","5","2","3","7","6","5","1") = "6"
    & skf21("7","5","2","3","7","6","6","1") = "6"
    & skf21("7","5","2","3","7","6","7","1") = "6"
    & skf21("7","5","2","3","7","7","1","1") = "6"
    & skf21("7","5","2","3","7","7","2","1") = "6"
    & skf21("7","5","2","3","7","7","3","1") = "6"
    & skf21("7","5","2","3","7","7","4","1") = "6"
    & skf21("7","5","2","3","7","7","5","1") = "6"
    & skf21("7","5","2","3","7","7","6","1") = "6"
    & skf21("7","5","2","3","7","7","7","1") = "6"
    & skf21("7","5","2","4","1","1","1","1") = "6"
    & skf21("7","5","2","4","1","1","2","1") = "6"
    & skf21("7","5","2","4","1","1","3","1") = "6"
    & skf21("7","5","2","4","1","1","4","1") = "6"
    & skf21("7","5","2","4","1","1","5","1") = "6"
    & skf21("7","5","2","4","1","1","6","1") = "6"
    & skf21("7","5","2","4","1","1","7","1") = "6"
    & skf21("7","5","2","4","1","2","1","1") = "6"
    & skf21("7","5","2","4","1","2","2","1") = "6"
    & skf21("7","5","2","4","1","2","3","1") = "6"
    & skf21("7","5","2","4","1","2","4","1") = "6"
    & skf21("7","5","2","4","1","2","5","1") = "6"
    & skf21("7","5","2","4","1","2","6","1") = "6"
    & skf21("7","5","2","4","1","2","7","1") = "6"
    & skf21("7","5","2","4","1","3","1","1") = "6"
    & skf21("7","5","2","4","1","3","2","1") = "6"
    & skf21("7","5","2","4","1","3","3","1") = "6"
    & skf21("7","5","2","4","1","3","4","1") = "6"
    & skf21("7","5","2","4","1","3","5","1") = "6"
    & skf21("7","5","2","4","1","3","6","1") = "6"
    & skf21("7","5","2","4","1","3","7","1") = "6"
    & skf21("7","5","2","4","1","4","1","1") = "6"
    & skf21("7","5","2","4","1","4","2","1") = "6"
    & skf21("7","5","2","4","1","4","3","1") = "6"
    & skf21("7","5","2","4","1","4","4","1") = "6"
    & skf21("7","5","2","4","1","4","5","1") = "6"
    & skf21("7","5","2","4","1","4","6","1") = "6"
    & skf21("7","5","2","4","1","4","7","1") = "6"
    & skf21("7","5","2","4","1","5","1","1") = "6"
    & skf21("7","5","2","4","1","5","2","1") = "6"
    & skf21("7","5","2","4","1","5","3","1") = "6"
    & skf21("7","5","2","4","1","5","4","1") = "6"
    & skf21("7","5","2","4","1","5","5","1") = "6"
    & skf21("7","5","2","4","1","5","6","1") = "6"
    & skf21("7","5","2","4","1","5","7","1") = "6"
    & skf21("7","5","2","4","1","6","1","1") = "6"
    & skf21("7","5","2","4","1","6","2","1") = "6"
    & skf21("7","5","2","4","1","6","3","1") = "6"
    & skf21("7","5","2","4","1","6","4","1") = "6"
    & skf21("7","5","2","4","1","6","5","1") = "6"
    & skf21("7","5","2","4","1","6","6","1") = "6"
    & skf21("7","5","2","4","1","6","7","1") = "6"
    & skf21("7","5","2","4","1","7","1","1") = "6"
    & skf21("7","5","2","4","1","7","2","1") = "6"
    & skf21("7","5","2","4","1","7","3","1") = "6"
    & skf21("7","5","2","4","1","7","4","1") = "6"
    & skf21("7","5","2","4","1","7","5","1") = "6"
    & skf21("7","5","2","4","1","7","6","1") = "6"
    & skf21("7","5","2","4","1","7","7","1") = "6"
    & skf21("7","5","2","4","2","1","1","1") = "6"
    & skf21("7","5","2","4","2","1","2","1") = "6"
    & skf21("7","5","2","4","2","1","3","1") = "6"
    & skf21("7","5","2","4","2","1","4","1") = "6"
    & skf21("7","5","2","4","2","1","5","1") = "6"
    & skf21("7","5","2","4","2","1","6","1") = "6"
    & skf21("7","5","2","4","2","1","7","1") = "6"
    & skf21("7","5","2","4","2","2","1","1") = "6"
    & skf21("7","5","2","4","2","2","2","1") = "6"
    & skf21("7","5","2","4","2","2","3","1") = "6"
    & skf21("7","5","2","4","2","2","4","1") = "6"
    & skf21("7","5","2","4","2","2","5","1") = "6"
    & skf21("7","5","2","4","2","2","6","1") = "6"
    & skf21("7","5","2","4","2","2","7","1") = "6"
    & skf21("7","5","2","4","2","3","1","1") = "6"
    & skf21("7","5","2","4","2","3","2","1") = "6"
    & skf21("7","5","2","4","2","3","3","1") = "6"
    & skf21("7","5","2","4","2","3","4","1") = "6"
    & skf21("7","5","2","4","2","3","5","1") = "6"
    & skf21("7","5","2","4","2","3","6","1") = "6"
    & skf21("7","5","2","4","2","3","7","1") = "6"
    & skf21("7","5","2","4","2","4","1","1") = "6"
    & skf21("7","5","2","4","2","4","2","1") = "6"
    & skf21("7","5","2","4","2","4","3","1") = "6"
    & skf21("7","5","2","4","2","4","4","1") = "6"
    & skf21("7","5","2","4","2","4","5","1") = "6"
    & skf21("7","5","2","4","2","4","6","1") = "6"
    & skf21("7","5","2","4","2","4","7","1") = "6"
    & skf21("7","5","2","4","2","5","1","1") = "6"
    & skf21("7","5","2","4","2","5","2","1") = "6"
    & skf21("7","5","2","4","2","5","3","1") = "6"
    & skf21("7","5","2","4","2","5","4","1") = "6"
    & skf21("7","5","2","4","2","5","5","1") = "6"
    & skf21("7","5","2","4","2","5","6","1") = "6"
    & skf21("7","5","2","4","2","5","7","1") = "6"
    & skf21("7","5","2","4","2","6","1","1") = "6"
    & skf21("7","5","2","4","2","6","2","1") = "6"
    & skf21("7","5","2","4","2","6","3","1") = "6"
    & skf21("7","5","2","4","2","6","4","1") = "6"
    & skf21("7","5","2","4","2","6","5","1") = "6"
    & skf21("7","5","2","4","2","6","6","1") = "6"
    & skf21("7","5","2","4","2","6","7","1") = "6"
    & skf21("7","5","2","4","2","7","1","1") = "6"
    & skf21("7","5","2","4","2","7","2","1") = "6"
    & skf21("7","5","2","4","2","7","3","1") = "6"
    & skf21("7","5","2","4","2","7","4","1") = "6"
    & skf21("7","5","2","4","2","7","5","1") = "6"
    & skf21("7","5","2","4","2","7","6","1") = "6"
    & skf21("7","5","2","4","2","7","7","1") = "6"
    & skf21("7","5","2","4","3","1","1","1") = "6"
    & skf21("7","5","2","4","3","1","2","1") = "6"
    & skf21("7","5","2","4","3","1","3","1") = "6"
    & skf21("7","5","2","4","3","1","4","1") = "6"
    & skf21("7","5","2","4","3","1","5","1") = "6"
    & skf21("7","5","2","4","3","1","6","1") = "6"
    & skf21("7","5","2","4","3","1","7","1") = "6"
    & skf21("7","5","2","4","3","2","1","1") = "6"
    & skf21("7","5","2","4","3","2","2","1") = "6"
    & skf21("7","5","2","4","3","2","3","1") = "6"
    & skf21("7","5","2","4","3","2","4","1") = "6"
    & skf21("7","5","2","4","3","2","5","1") = "6"
    & skf21("7","5","2","4","3","2","6","1") = "6"
    & skf21("7","5","2","4","3","2","7","1") = "6"
    & skf21("7","5","2","4","3","3","1","1") = "6"
    & skf21("7","5","2","4","3","3","2","1") = "6"
    & skf21("7","5","2","4","3","3","3","1") = "6"
    & skf21("7","5","2","4","3","3","4","1") = "6"
    & skf21("7","5","2","4","3","3","5","1") = "6"
    & skf21("7","5","2","4","3","3","6","1") = "6"
    & skf21("7","5","2","4","3","3","7","1") = "6"
    & skf21("7","5","2","4","3","4","1","1") = "6"
    & skf21("7","5","2","4","3","4","2","1") = "6"
    & skf21("7","5","2","4","3","4","3","1") = "6"
    & skf21("7","5","2","4","3","4","4","1") = "6"
    & skf21("7","5","2","4","3","4","5","1") = "6"
    & skf21("7","5","2","4","3","4","6","1") = "6"
    & skf21("7","5","2","4","3","4","7","1") = "6"
    & skf21("7","5","2","4","3","5","1","1") = "6"
    & skf21("7","5","2","4","3","5","2","1") = "6"
    & skf21("7","5","2","4","3","5","3","1") = "6"
    & skf21("7","5","2","4","3","5","4","1") = "6"
    & skf21("7","5","2","4","3","5","5","1") = "6"
    & skf21("7","5","2","4","3","5","6","1") = "6"
    & skf21("7","5","2","4","3","5","7","1") = "6"
    & skf21("7","5","2","4","3","6","1","1") = "6"
    & skf21("7","5","2","4","3","6","2","1") = "6"
    & skf21("7","5","2","4","3","6","3","1") = "6"
    & skf21("7","5","2","4","3","6","4","1") = "6"
    & skf21("7","5","2","4","3","6","5","1") = "6"
    & skf21("7","5","2","4","3","6","6","1") = "6"
    & skf21("7","5","2","4","3","6","7","1") = "6"
    & skf21("7","5","2","4","3","7","1","1") = "6"
    & skf21("7","5","2","4","3","7","2","1") = "6"
    & skf21("7","5","2","4","3","7","3","1") = "6"
    & skf21("7","5","2","4","3","7","4","1") = "6"
    & skf21("7","5","2","4","3","7","5","1") = "6"
    & skf21("7","5","2","4","3","7","6","1") = "6"
    & skf21("7","5","2","4","3","7","7","1") = "6"
    & skf21("7","5","2","4","4","1","1","1") = "6"
    & skf21("7","5","2","4","4","1","2","1") = "6"
    & skf21("7","5","2","4","4","1","3","1") = "6"
    & skf21("7","5","2","4","4","1","4","1") = "6"
    & skf21("7","5","2","4","4","1","5","1") = "6"
    & skf21("7","5","2","4","4","1","6","1") = "6"
    & skf21("7","5","2","4","4","1","7","1") = "6"
    & skf21("7","5","2","4","4","2","1","1") = "6"
    & skf21("7","5","2","4","4","2","2","1") = "6"
    & skf21("7","5","2","4","4","2","3","1") = "6"
    & skf21("7","5","2","4","4","2","4","1") = "6"
    & skf21("7","5","2","4","4","2","5","1") = "6"
    & skf21("7","5","2","4","4","2","6","1") = "6"
    & skf21("7","5","2","4","4","2","7","1") = "6"
    & skf21("7","5","2","4","4","3","1","1") = "6"
    & skf21("7","5","2","4","4","3","2","1") = "6"
    & skf21("7","5","2","4","4","3","3","1") = "6"
    & skf21("7","5","2","4","4","3","4","1") = "6"
    & skf21("7","5","2","4","4","3","5","1") = "6"
    & skf21("7","5","2","4","4","3","6","1") = "6"
    & skf21("7","5","2","4","4","3","7","1") = "6"
    & skf21("7","5","2","4","4","4","1","1") = "6"
    & skf21("7","5","2","4","4","4","2","1") = "6"
    & skf21("7","5","2","4","4","4","3","1") = "6"
    & skf21("7","5","2","4","4","4","4","1") = "6"
    & skf21("7","5","2","4","4","4","5","1") = "6"
    & skf21("7","5","2","4","4","4","6","1") = "6"
    & skf21("7","5","2","4","4","4","7","1") = "6"
    & skf21("7","5","2","4","4","5","1","1") = "6"
    & skf21("7","5","2","4","4","5","2","1") = "6"
    & skf21("7","5","2","4","4","5","3","1") = "6"
    & skf21("7","5","2","4","4","5","4","1") = "6"
    & skf21("7","5","2","4","4","5","5","1") = "6"
    & skf21("7","5","2","4","4","5","6","1") = "6"
    & skf21("7","5","2","4","4","5","7","1") = "6"
    & skf21("7","5","2","4","4","6","1","1") = "6"
    & skf21("7","5","2","4","4","6","2","1") = "6"
    & skf21("7","5","2","4","4","6","3","1") = "6"
    & skf21("7","5","2","4","4","6","4","1") = "6"
    & skf21("7","5","2","4","4","6","5","1") = "6"
    & skf21("7","5","2","4","4","6","6","1") = "6"
    & skf21("7","5","2","4","4","6","7","1") = "6"
    & skf21("7","5","2","4","4","7","1","1") = "6"
    & skf21("7","5","2","4","4","7","2","1") = "6"
    & skf21("7","5","2","4","4","7","3","1") = "6"
    & skf21("7","5","2","4","4","7","4","1") = "6"
    & skf21("7","5","2","4","4","7","5","1") = "6"
    & skf21("7","5","2","4","4","7","6","1") = "6"
    & skf21("7","5","2","4","4","7","7","1") = "6"
    & skf21("7","5","2","4","5","1","1","1") = "6"
    & skf21("7","5","2","4","5","1","2","1") = "6"
    & skf21("7","5","2","4","5","1","3","1") = "6"
    & skf21("7","5","2","4","5","1","4","1") = "6"
    & skf21("7","5","2","4","5","1","5","1") = "6"
    & skf21("7","5","2","4","5","1","6","1") = "6"
    & skf21("7","5","2","4","5","1","7","1") = "6"
    & skf21("7","5","2","4","5","2","1","1") = "6"
    & skf21("7","5","2","4","5","2","2","1") = "6"
    & skf21("7","5","2","4","5","2","3","1") = "6"
    & skf21("7","5","2","4","5","2","4","1") = "6"
    & skf21("7","5","2","4","5","2","5","1") = "6"
    & skf21("7","5","2","4","5","2","6","1") = "6"
    & skf21("7","5","2","4","5","2","7","1") = "6"
    & skf21("7","5","2","4","5","3","1","1") = "6"
    & skf21("7","5","2","4","5","3","2","1") = "6"
    & skf21("7","5","2","4","5","3","3","1") = "6"
    & skf21("7","5","2","4","5","3","4","1") = "6"
    & skf21("7","5","2","4","5","3","5","1") = "6"
    & skf21("7","5","2","4","5","3","6","1") = "6"
    & skf21("7","5","2","4","5","3","7","1") = "6"
    & skf21("7","5","2","4","5","4","1","1") = "6"
    & skf21("7","5","2","4","5","4","2","1") = "6"
    & skf21("7","5","2","4","5","4","3","1") = "6"
    & skf21("7","5","2","4","5","4","4","1") = "6"
    & skf21("7","5","2","4","5","4","5","1") = "6"
    & skf21("7","5","2","4","5","4","6","1") = "6"
    & skf21("7","5","2","4","5","4","7","1") = "6"
    & skf21("7","5","2","4","5","5","1","1") = "6"
    & skf21("7","5","2","4","5","5","2","1") = "6"
    & skf21("7","5","2","4","5","5","3","1") = "6"
    & skf21("7","5","2","4","5","5","4","1") = "6"
    & skf21("7","5","2","4","5","5","5","1") = "6"
    & skf21("7","5","2","4","5","5","6","1") = "6"
    & skf21("7","5","2","4","5","5","7","1") = "6"
    & skf21("7","5","2","4","5","6","1","1") = "6"
    & skf21("7","5","2","4","5","6","2","1") = "6"
    & skf21("7","5","2","4","5","6","3","1") = "6"
    & skf21("7","5","2","4","5","6","4","1") = "6"
    & skf21("7","5","2","4","5","6","5","1") = "6"
    & skf21("7","5","2","4","5","6","6","1") = "6"
    & skf21("7","5","2","4","5","6","7","1") = "6"
    & skf21("7","5","2","4","5","7","1","1") = "6"
    & skf21("7","5","2","4","5","7","2","1") = "6"
    & skf21("7","5","2","4","5","7","3","1") = "6"
    & skf21("7","5","2","4","5","7","4","1") = "6"
    & skf21("7","5","2","4","5","7","5","1") = "6"
    & skf21("7","5","2","4","5","7","6","1") = "6"
    & skf21("7","5","2","4","5","7","7","1") = "6"
    & skf21("7","5","2","4","6","1","1","1") = "6"
    & skf21("7","5","2","4","6","1","2","1") = "6"
    & skf21("7","5","2","4","6","1","3","1") = "6"
    & skf21("7","5","2","4","6","1","4","1") = "6"
    & skf21("7","5","2","4","6","1","5","1") = "6"
    & skf21("7","5","2","4","6","1","6","1") = "6"
    & skf21("7","5","2","4","6","1","7","1") = "6"
    & skf21("7","5","2","4","6","2","1","1") = "6"
    & skf21("7","5","2","4","6","2","2","1") = "6"
    & skf21("7","5","2","4","6","2","3","1") = "6"
    & skf21("7","5","2","4","6","2","4","1") = "6"
    & skf21("7","5","2","4","6","2","5","1") = "6"
    & skf21("7","5","2","4","6","2","6","1") = "6"
    & skf21("7","5","2","4","6","2","7","1") = "6"
    & skf21("7","5","2","4","6","3","1","1") = "6"
    & skf21("7","5","2","4","6","3","2","1") = "6"
    & skf21("7","5","2","4","6","3","3","1") = "6"
    & skf21("7","5","2","4","6","3","4","1") = "6"
    & skf21("7","5","2","4","6","3","5","1") = "6"
    & skf21("7","5","2","4","6","3","6","1") = "6"
    & skf21("7","5","2","4","6","3","7","1") = "6"
    & skf21("7","5","2","4","6","4","1","1") = "6"
    & skf21("7","5","2","4","6","4","2","1") = "6"
    & skf21("7","5","2","4","6","4","3","1") = "6"
    & skf21("7","5","2","4","6","4","4","1") = "6"
    & skf21("7","5","2","4","6","4","5","1") = "6"
    & skf21("7","5","2","4","6","4","6","1") = "6"
    & skf21("7","5","2","4","6","4","7","1") = "6"
    & skf21("7","5","2","4","6","5","1","1") = "6"
    & skf21("7","5","2","4","6","5","2","1") = "6"
    & skf21("7","5","2","4","6","5","3","1") = "6"
    & skf21("7","5","2","4","6","5","4","1") = "6"
    & skf21("7","5","2","4","6","5","5","1") = "6"
    & skf21("7","5","2","4","6","5","6","1") = "6"
    & skf21("7","5","2","4","6","5","7","1") = "6"
    & skf21("7","5","2","4","6","6","1","1") = "6"
    & skf21("7","5","2","4","6","6","2","1") = "6"
    & skf21("7","5","2","4","6","6","3","1") = "6"
    & skf21("7","5","2","4","6","6","4","1") = "6"
    & skf21("7","5","2","4","6","6","5","1") = "6"
    & skf21("7","5","2","4","6","6","6","1") = "6"
    & skf21("7","5","2","4","6","6","7","1") = "6"
    & skf21("7","5","2","4","6","7","1","1") = "6"
    & skf21("7","5","2","4","6","7","2","1") = "6"
    & skf21("7","5","2","4","6","7","3","1") = "6"
    & skf21("7","5","2","4","6","7","4","1") = "6"
    & skf21("7","5","2","4","6","7","5","1") = "6"
    & skf21("7","5","2","4","6","7","6","1") = "6"
    & skf21("7","5","2","4","6","7","7","1") = "6"
    & skf21("7","5","2","4","7","1","1","1") = "6"
    & skf21("7","5","2","4","7","1","2","1") = "6"
    & skf21("7","5","2","4","7","1","3","1") = "6"
    & skf21("7","5","2","4","7","1","4","1") = "6"
    & skf21("7","5","2","4","7","1","5","1") = "6"
    & skf21("7","5","2","4","7","1","6","1") = "6"
    & skf21("7","5","2","4","7","1","7","1") = "6"
    & skf21("7","5","2","4","7","2","1","1") = "6"
    & skf21("7","5","2","4","7","2","2","1") = "6"
    & skf21("7","5","2","4","7","2","3","1") = "6"
    & skf21("7","5","2","4","7","2","4","1") = "6"
    & skf21("7","5","2","4","7","2","5","1") = "6"
    & skf21("7","5","2","4","7","2","6","1") = "6"
    & skf21("7","5","2","4","7","2","7","1") = "6"
    & skf21("7","5","2","4","7","3","1","1") = "6"
    & skf21("7","5","2","4","7","3","2","1") = "6"
    & skf21("7","5","2","4","7","3","3","1") = "6"
    & skf21("7","5","2","4","7","3","4","1") = "6"
    & skf21("7","5","2","4","7","3","5","1") = "6"
    & skf21("7","5","2","4","7","3","6","1") = "6"
    & skf21("7","5","2","4","7","3","7","1") = "6"
    & skf21("7","5","2","4","7","4","1","1") = "6"
    & skf21("7","5","2","4","7","4","2","1") = "6"
    & skf21("7","5","2","4","7","4","3","1") = "6"
    & skf21("7","5","2","4","7","4","4","1") = "6"
    & skf21("7","5","2","4","7","4","5","1") = "6"
    & skf21("7","5","2","4","7","4","6","1") = "6"
    & skf21("7","5","2","4","7","4","7","1") = "6"
    & skf21("7","5","2","4","7","5","1","1") = "6"
    & skf21("7","5","2","4","7","5","2","1") = "6"
    & skf21("7","5","2","4","7","5","3","1") = "6"
    & skf21("7","5","2","4","7","5","4","1") = "6"
    & skf21("7","5","2","4","7","5","5","1") = "6"
    & skf21("7","5","2","4","7","5","6","1") = "6"
    & skf21("7","5","2","4","7","5","7","1") = "6"
    & skf21("7","5","2","4","7","6","1","1") = "6"
    & skf21("7","5","2","4","7","6","2","1") = "6"
    & skf21("7","5","2","4","7","6","3","1") = "6"
    & skf21("7","5","2","4","7","6","4","1") = "6"
    & skf21("7","5","2","4","7","6","5","1") = "6"
    & skf21("7","5","2","4","7","6","6","1") = "6"
    & skf21("7","5","2","4","7","6","7","1") = "6"
    & skf21("7","5","2","4","7","7","1","1") = "6"
    & skf21("7","5","2","4","7","7","2","1") = "6"
    & skf21("7","5","2","4","7","7","3","1") = "6"
    & skf21("7","5","2","4","7","7","4","1") = "6"
    & skf21("7","5","2","4","7","7","5","1") = "6"
    & skf21("7","5","2","4","7","7","6","1") = "6"
    & skf21("7","5","2","4","7","7","7","1") = "6"
    & skf21("7","5","2","5","1","1","1","1") = "6"
    & skf21("7","5","2","5","1","1","2","1") = "6"
    & skf21("7","5","2","5","1","1","3","1") = "6"
    & skf21("7","5","2","5","1","1","4","1") = "6"
    & skf21("7","5","2","5","1","1","5","1") = "6"
    & skf21("7","5","2","5","1","1","6","1") = "6"
    & skf21("7","5","2","5","1","1","7","1") = "6"
    & skf21("7","5","2","5","1","2","1","1") = "6"
    & skf21("7","5","2","5","1","2","2","1") = "6"
    & skf21("7","5","2","5","1","2","3","1") = "6"
    & skf21("7","5","2","5","1","2","4","1") = "6"
    & skf21("7","5","2","5","1","2","5","1") = "6"
    & skf21("7","5","2","5","1","2","6","1") = "6"
    & skf21("7","5","2","5","1","2","7","1") = "6"
    & skf21("7","5","2","5","1","3","1","1") = "6"
    & skf21("7","5","2","5","1","3","2","1") = "6"
    & skf21("7","5","2","5","1","3","3","1") = "6"
    & skf21("7","5","2","5","1","3","4","1") = "6"
    & skf21("7","5","2","5","1","3","5","1") = "6"
    & skf21("7","5","2","5","1","3","6","1") = "6"
    & skf21("7","5","2","5","1","3","7","1") = "6"
    & skf21("7","5","2","5","1","4","1","1") = "6"
    & skf21("7","5","2","5","1","4","2","1") = "6"
    & skf21("7","5","2","5","1","4","3","1") = "6"
    & skf21("7","5","2","5","1","4","4","1") = "6"
    & skf21("7","5","2","5","1","4","5","1") = "6"
    & skf21("7","5","2","5","1","4","6","1") = "6"
    & skf21("7","5","2","5","1","4","7","1") = "6"
    & skf21("7","5","2","5","1","5","1","1") = "6"
    & skf21("7","5","2","5","1","5","2","1") = "6"
    & skf21("7","5","2","5","1","5","3","1") = "6"
    & skf21("7","5","2","5","1","5","4","1") = "6"
    & skf21("7","5","2","5","1","5","5","1") = "6"
    & skf21("7","5","2","5","1","5","6","1") = "6"
    & skf21("7","5","2","5","1","5","7","1") = "6"
    & skf21("7","5","2","5","1","6","1","1") = "6"
    & skf21("7","5","2","5","1","6","2","1") = "6"
    & skf21("7","5","2","5","1","6","3","1") = "6"
    & skf21("7","5","2","5","1","6","4","1") = "6"
    & skf21("7","5","2","5","1","6","5","1") = "6"
    & skf21("7","5","2","5","1","6","6","1") = "6"
    & skf21("7","5","2","5","1","6","7","1") = "6"
    & skf21("7","5","2","5","1","7","1","1") = "6"
    & skf21("7","5","2","5","1","7","2","1") = "6"
    & skf21("7","5","2","5","1","7","3","1") = "6"
    & skf21("7","5","2","5","1","7","4","1") = "6"
    & skf21("7","5","2","5","1","7","5","1") = "6"
    & skf21("7","5","2","5","1","7","6","1") = "6"
    & skf21("7","5","2","5","1","7","7","1") = "6"
    & skf21("7","5","2","5","2","1","1","1") = "6"
    & skf21("7","5","2","5","2","1","2","1") = "6"
    & skf21("7","5","2","5","2","1","3","1") = "6"
    & skf21("7","5","2","5","2","1","4","1") = "6"
    & skf21("7","5","2","5","2","1","5","1") = "6"
    & skf21("7","5","2","5","2","1","6","1") = "6"
    & skf21("7","5","2","5","2","1","7","1") = "6"
    & skf21("7","5","2","5","2","2","1","1") = "6"
    & skf21("7","5","2","5","2","2","2","1") = "6"
    & skf21("7","5","2","5","2","2","3","1") = "6"
    & skf21("7","5","2","5","2","2","4","1") = "6"
    & skf21("7","5","2","5","2","2","5","1") = "6"
    & skf21("7","5","2","5","2","2","6","1") = "6"
    & skf21("7","5","2","5","2","2","7","1") = "6"
    & skf21("7","5","2","5","2","3","1","1") = "6"
    & skf21("7","5","2","5","2","3","2","1") = "6"
    & skf21("7","5","2","5","2","3","3","1") = "6"
    & skf21("7","5","2","5","2","3","4","1") = "6"
    & skf21("7","5","2","5","2","3","5","1") = "6"
    & skf21("7","5","2","5","2","3","6","1") = "6"
    & skf21("7","5","2","5","2","3","7","1") = "6"
    & skf21("7","5","2","5","2","4","1","1") = "6"
    & skf21("7","5","2","5","2","4","2","1") = "6"
    & skf21("7","5","2","5","2","4","3","1") = "6"
    & skf21("7","5","2","5","2","4","4","1") = "6"
    & skf21("7","5","2","5","2","4","5","1") = "6"
    & skf21("7","5","2","5","2","4","6","1") = "6"
    & skf21("7","5","2","5","2","4","7","1") = "6"
    & skf21("7","5","2","5","2","5","1","1") = "6"
    & skf21("7","5","2","5","2","5","2","1") = "6"
    & skf21("7","5","2","5","2","5","3","1") = "6"
    & skf21("7","5","2","5","2","5","4","1") = "6"
    & skf21("7","5","2","5","2","5","5","1") = "6"
    & skf21("7","5","2","5","2","5","6","1") = "6"
    & skf21("7","5","2","5","2","5","7","1") = "6"
    & skf21("7","5","2","5","2","6","1","1") = "6"
    & skf21("7","5","2","5","2","6","2","1") = "6"
    & skf21("7","5","2","5","2","6","3","1") = "6"
    & skf21("7","5","2","5","2","6","4","1") = "6"
    & skf21("7","5","2","5","2","6","5","1") = "6"
    & skf21("7","5","2","5","2","6","6","1") = "6"
    & skf21("7","5","2","5","2","6","7","1") = "6"
    & skf21("7","5","2","5","2","7","1","1") = "6"
    & skf21("7","5","2","5","2","7","2","1") = "6"
    & skf21("7","5","2","5","2","7","3","1") = "6"
    & skf21("7","5","2","5","2","7","4","1") = "6"
    & skf21("7","5","2","5","2","7","5","1") = "6"
    & skf21("7","5","2","5","2","7","6","1") = "6"
    & skf21("7","5","2","5","2","7","7","1") = "6"
    & skf21("7","5","2","5","3","1","1","1") = "6"
    & skf21("7","5","2","5","3","1","2","1") = "6"
    & skf21("7","5","2","5","3","1","3","1") = "6"
    & skf21("7","5","2","5","3","1","4","1") = "6"
    & skf21("7","5","2","5","3","1","5","1") = "6"
    & skf21("7","5","2","5","3","1","6","1") = "6"
    & skf21("7","5","2","5","3","1","7","1") = "6"
    & skf21("7","5","2","5","3","2","1","1") = "6"
    & skf21("7","5","2","5","3","2","2","1") = "6"
    & skf21("7","5","2","5","3","2","3","1") = "6"
    & skf21("7","5","2","5","3","2","4","1") = "6"
    & skf21("7","5","2","5","3","2","5","1") = "6"
    & skf21("7","5","2","5","3","2","6","1") = "6"
    & skf21("7","5","2","5","3","2","7","1") = "6"
    & skf21("7","5","2","5","3","3","1","1") = "6"
    & skf21("7","5","2","5","3","3","2","1") = "6"
    & skf21("7","5","2","5","3","3","3","1") = "6"
    & skf21("7","5","2","5","3","3","4","1") = "6"
    & skf21("7","5","2","5","3","3","5","1") = "6"
    & skf21("7","5","2","5","3","3","6","1") = "6"
    & skf21("7","5","2","5","3","3","7","1") = "6"
    & skf21("7","5","2","5","3","4","1","1") = "6"
    & skf21("7","5","2","5","3","4","2","1") = "6"
    & skf21("7","5","2","5","3","4","3","1") = "6"
    & skf21("7","5","2","5","3","4","4","1") = "6"
    & skf21("7","5","2","5","3","4","5","1") = "6"
    & skf21("7","5","2","5","3","4","6","1") = "6"
    & skf21("7","5","2","5","3","4","7","1") = "6"
    & skf21("7","5","2","5","3","5","1","1") = "6"
    & skf21("7","5","2","5","3","5","2","1") = "6"
    & skf21("7","5","2","5","3","5","3","1") = "6"
    & skf21("7","5","2","5","3","5","4","1") = "6"
    & skf21("7","5","2","5","3","5","5","1") = "6"
    & skf21("7","5","2","5","3","5","6","1") = "6"
    & skf21("7","5","2","5","3","5","7","1") = "6"
    & skf21("7","5","2","5","3","6","1","1") = "6"
    & skf21("7","5","2","5","3","6","2","1") = "6"
    & skf21("7","5","2","5","3","6","3","1") = "6"
    & skf21("7","5","2","5","3","6","4","1") = "6"
    & skf21("7","5","2","5","3","6","5","1") = "6"
    & skf21("7","5","2","5","3","6","6","1") = "6"
    & skf21("7","5","2","5","3","6","7","1") = "6"
    & skf21("7","5","2","5","3","7","1","1") = "6"
    & skf21("7","5","2","5","3","7","2","1") = "6"
    & skf21("7","5","2","5","3","7","3","1") = "6"
    & skf21("7","5","2","5","3","7","4","1") = "6"
    & skf21("7","5","2","5","3","7","5","1") = "6"
    & skf21("7","5","2","5","3","7","6","1") = "6"
    & skf21("7","5","2","5","3","7","7","1") = "6"
    & skf21("7","5","2","5","4","1","1","1") = "6"
    & skf21("7","5","2","5","4","1","2","1") = "6"
    & skf21("7","5","2","5","4","1","3","1") = "6"
    & skf21("7","5","2","5","4","1","4","1") = "6"
    & skf21("7","5","2","5","4","1","5","1") = "6"
    & skf21("7","5","2","5","4","1","6","1") = "6"
    & skf21("7","5","2","5","4","1","7","1") = "6"
    & skf21("7","5","2","5","4","2","1","1") = "6"
    & skf21("7","5","2","5","4","2","2","1") = "6"
    & skf21("7","5","2","5","4","2","3","1") = "6"
    & skf21("7","5","2","5","4","2","4","1") = "6"
    & skf21("7","5","2","5","4","2","5","1") = "6"
    & skf21("7","5","2","5","4","2","6","1") = "6"
    & skf21("7","5","2","5","4","2","7","1") = "6"
    & skf21("7","5","2","5","4","3","1","1") = "6"
    & skf21("7","5","2","5","4","3","2","1") = "6"
    & skf21("7","5","2","5","4","3","3","1") = "6"
    & skf21("7","5","2","5","4","3","4","1") = "6"
    & skf21("7","5","2","5","4","3","5","1") = "6"
    & skf21("7","5","2","5","4","3","6","1") = "6"
    & skf21("7","5","2","5","4","3","7","1") = "6"
    & skf21("7","5","2","5","4","4","1","1") = "6"
    & skf21("7","5","2","5","4","4","2","1") = "6"
    & skf21("7","5","2","5","4","4","3","1") = "6"
    & skf21("7","5","2","5","4","4","4","1") = "6"
    & skf21("7","5","2","5","4","4","5","1") = "6"
    & skf21("7","5","2","5","4","4","6","1") = "6"
    & skf21("7","5","2","5","4","4","7","1") = "6"
    & skf21("7","5","2","5","4","5","1","1") = "6"
    & skf21("7","5","2","5","4","5","2","1") = "6"
    & skf21("7","5","2","5","4","5","3","1") = "6"
    & skf21("7","5","2","5","4","5","4","1") = "6"
    & skf21("7","5","2","5","4","5","5","1") = "6"
    & skf21("7","5","2","5","4","5","6","1") = "6"
    & skf21("7","5","2","5","4","5","7","1") = "6"
    & skf21("7","5","2","5","4","6","1","1") = "6"
    & skf21("7","5","2","5","4","6","2","1") = "6"
    & skf21("7","5","2","5","4","6","3","1") = "6"
    & skf21("7","5","2","5","4","6","4","1") = "6"
    & skf21("7","5","2","5","4","6","5","1") = "6"
    & skf21("7","5","2","5","4","6","6","1") = "6"
    & skf21("7","5","2","5","4","6","7","1") = "6"
    & skf21("7","5","2","5","4","7","1","1") = "6"
    & skf21("7","5","2","5","4","7","2","1") = "6"
    & skf21("7","5","2","5","4","7","3","1") = "6"
    & skf21("7","5","2","5","4","7","4","1") = "6"
    & skf21("7","5","2","5","4","7","5","1") = "6"
    & skf21("7","5","2","5","4","7","6","1") = "6"
    & skf21("7","5","2","5","4","7","7","1") = "6"
    & skf21("7","5","2","5","5","1","1","1") = "6"
    & skf21("7","5","2","5","5","1","2","1") = "6"
    & skf21("7","5","2","5","5","1","3","1") = "6"
    & skf21("7","5","2","5","5","1","4","1") = "6"
    & skf21("7","5","2","5","5","1","5","1") = "6"
    & skf21("7","5","2","5","5","1","6","1") = "6"
    & skf21("7","5","2","5","5","1","7","1") = "6"
    & skf21("7","5","2","5","5","2","1","1") = "6"
    & skf21("7","5","2","5","5","2","2","1") = "6"
    & skf21("7","5","2","5","5","2","3","1") = "6"
    & skf21("7","5","2","5","5","2","4","1") = "6"
    & skf21("7","5","2","5","5","2","5","1") = "6"
    & skf21("7","5","2","5","5","2","6","1") = "6"
    & skf21("7","5","2","5","5","2","7","1") = "6"
    & skf21("7","5","2","5","5","3","1","1") = "6"
    & skf21("7","5","2","5","5","3","2","1") = "6"
    & skf21("7","5","2","5","5","3","3","1") = "6"
    & skf21("7","5","2","5","5","3","4","1") = "6"
    & skf21("7","5","2","5","5","3","5","1") = "6"
    & skf21("7","5","2","5","5","3","6","1") = "6"
    & skf21("7","5","2","5","5","3","7","1") = "6"
    & skf21("7","5","2","5","5","4","1","1") = "6"
    & skf21("7","5","2","5","5","4","2","1") = "6"
    & skf21("7","5","2","5","5","4","3","1") = "6"
    & skf21("7","5","2","5","5","4","4","1") = "6"
    & skf21("7","5","2","5","5","4","5","1") = "6"
    & skf21("7","5","2","5","5","4","6","1") = "6"
    & skf21("7","5","2","5","5","4","7","1") = "6"
    & skf21("7","5","2","5","5","5","1","1") = "6"
    & skf21("7","5","2","5","5","5","2","1") = "6"
    & skf21("7","5","2","5","5","5","3","1") = "6"
    & skf21("7","5","2","5","5","5","4","1") = "6"
    & skf21("7","5","2","5","5","5","5","1") = "6"
    & skf21("7","5","2","5","5","5","6","1") = "6"
    & skf21("7","5","2","5","5","5","7","1") = "6"
    & skf21("7","5","2","5","5","6","1","1") = "6"
    & skf21("7","5","2","5","5","6","2","1") = "6"
    & skf21("7","5","2","5","5","6","3","1") = "6"
    & skf21("7","5","2","5","5","6","4","1") = "6"
    & skf21("7","5","2","5","5","6","5","1") = "6"
    & skf21("7","5","2","5","5","6","6","1") = "6"
    & skf21("7","5","2","5","5","6","7","1") = "6"
    & skf21("7","5","2","5","5","7","1","1") = "6"
    & skf21("7","5","2","5","5","7","2","1") = "6"
    & skf21("7","5","2","5","5","7","3","1") = "6"
    & skf21("7","5","2","5","5","7","4","1") = "6"
    & skf21("7","5","2","5","5","7","5","1") = "6"
    & skf21("7","5","2","5","5","7","6","1") = "6"
    & skf21("7","5","2","5","5","7","7","1") = "6"
    & skf21("7","5","2","5","6","1","1","1") = "6"
    & skf21("7","5","2","5","6","1","2","1") = "6"
    & skf21("7","5","2","5","6","1","3","1") = "6"
    & skf21("7","5","2","5","6","1","4","1") = "6"
    & skf21("7","5","2","5","6","1","5","1") = "6"
    & skf21("7","5","2","5","6","1","6","1") = "6"
    & skf21("7","5","2","5","6","1","7","1") = "6"
    & skf21("7","5","2","5","6","2","1","1") = "6"
    & skf21("7","5","2","5","6","2","2","1") = "6"
    & skf21("7","5","2","5","6","2","3","1") = "6"
    & skf21("7","5","2","5","6","2","4","1") = "6"
    & skf21("7","5","2","5","6","2","5","1") = "6"
    & skf21("7","5","2","5","6","2","6","1") = "6"
    & skf21("7","5","2","5","6","2","7","1") = "6"
    & skf21("7","5","2","5","6","3","1","1") = "6"
    & skf21("7","5","2","5","6","3","2","1") = "6"
    & skf21("7","5","2","5","6","3","3","1") = "6"
    & skf21("7","5","2","5","6","3","4","1") = "6"
    & skf21("7","5","2","5","6","3","5","1") = "6"
    & skf21("7","5","2","5","6","3","6","1") = "6"
    & skf21("7","5","2","5","6","3","7","1") = "6"
    & skf21("7","5","2","5","6","4","1","1") = "6"
    & skf21("7","5","2","5","6","4","2","1") = "6"
    & skf21("7","5","2","5","6","4","3","1") = "6"
    & skf21("7","5","2","5","6","4","4","1") = "6"
    & skf21("7","5","2","5","6","4","5","1") = "6"
    & skf21("7","5","2","5","6","4","6","1") = "6"
    & skf21("7","5","2","5","6","4","7","1") = "6"
    & skf21("7","5","2","5","6","5","1","1") = "6"
    & skf21("7","5","2","5","6","5","2","1") = "6"
    & skf21("7","5","2","5","6","5","3","1") = "6"
    & skf21("7","5","2","5","6","5","4","1") = "6"
    & skf21("7","5","2","5","6","5","5","1") = "6"
    & skf21("7","5","2","5","6","5","6","1") = "6"
    & skf21("7","5","2","5","6","5","7","1") = "6"
    & skf21("7","5","2","5","6","6","1","1") = "6"
    & skf21("7","5","2","5","6","6","2","1") = "6"
    & skf21("7","5","2","5","6","6","3","1") = "6"
    & skf21("7","5","2","5","6","6","4","1") = "6"
    & skf21("7","5","2","5","6","6","5","1") = "6"
    & skf21("7","5","2","5","6","6","6","1") = "6"
    & skf21("7","5","2","5","6","6","7","1") = "6"
    & skf21("7","5","2","5","6","7","1","1") = "6"
    & skf21("7","5","2","5","6","7","2","1") = "6"
    & skf21("7","5","2","5","6","7","3","1") = "6"
    & skf21("7","5","2","5","6","7","4","1") = "6"
    & skf21("7","5","2","5","6","7","5","1") = "6"
    & skf21("7","5","2","5","6","7","6","1") = "6"
    & skf21("7","5","2","5","6","7","7","1") = "6"
    & skf21("7","5","2","5","7","1","1","1") = "6"
    & skf21("7","5","2","5","7","1","2","1") = "6"
    & skf21("7","5","2","5","7","1","3","1") = "6"
    & skf21("7","5","2","5","7","1","4","1") = "6"
    & skf21("7","5","2","5","7","1","5","1") = "6"
    & skf21("7","5","2","5","7","1","6","1") = "6"
    & skf21("7","5","2","5","7","1","7","1") = "6"
    & skf21("7","5","2","5","7","2","1","1") = "6"
    & skf21("7","5","2","5","7","2","2","1") = "6"
    & skf21("7","5","2","5","7","2","3","1") = "6"
    & skf21("7","5","2","5","7","2","4","1") = "6"
    & skf21("7","5","2","5","7","2","5","1") = "6"
    & skf21("7","5","2","5","7","2","6","1") = "6"
    & skf21("7","5","2","5","7","2","7","1") = "6"
    & skf21("7","5","2","5","7","3","1","1") = "6"
    & skf21("7","5","2","5","7","3","2","1") = "6"
    & skf21("7","5","2","5","7","3","3","1") = "6"
    & skf21("7","5","2","5","7","3","4","1") = "6"
    & skf21("7","5","2","5","7","3","5","1") = "6"
    & skf21("7","5","2","5","7","3","6","1") = "6"
    & skf21("7","5","2","5","7","3","7","1") = "6"
    & skf21("7","5","2","5","7","4","1","1") = "6"
    & skf21("7","5","2","5","7","4","2","1") = "6"
    & skf21("7","5","2","5","7","4","3","1") = "6"
    & skf21("7","5","2","5","7","4","4","1") = "6"
    & skf21("7","5","2","5","7","4","5","1") = "6"
    & skf21("7","5","2","5","7","4","6","1") = "6"
    & skf21("7","5","2","5","7","4","7","1") = "6"
    & skf21("7","5","2","5","7","5","1","1") = "6"
    & skf21("7","5","2","5","7","5","2","1") = "6"
    & skf21("7","5","2","5","7","5","3","1") = "6"
    & skf21("7","5","2","5","7","5","4","1") = "6"
    & skf21("7","5","2","5","7","5","5","1") = "6"
    & skf21("7","5","2","5","7","5","6","1") = "6"
    & skf21("7","5","2","5","7","5","7","1") = "6"
    & skf21("7","5","2","5","7","6","1","1") = "6"
    & skf21("7","5","2","5","7","6","2","1") = "6"
    & skf21("7","5","2","5","7","6","3","1") = "6"
    & skf21("7","5","2","5","7","6","4","1") = "6"
    & skf21("7","5","2","5","7","6","5","1") = "6"
    & skf21("7","5","2","5","7","6","6","1") = "6"
    & skf21("7","5","2","5","7","6","7","1") = "6"
    & skf21("7","5","2","5","7","7","1","1") = "6"
    & skf21("7","5","2","5","7","7","2","1") = "6"
    & skf21("7","5","2","5","7","7","3","1") = "6"
    & skf21("7","5","2","5","7","7","4","1") = "6"
    & skf21("7","5","2","5","7","7","5","1") = "6"
    & skf21("7","5","2","5","7","7","6","1") = "6"
    & skf21("7","5","2","5","7","7","7","1") = "6"
    & skf21("7","5","2","6","1","1","1","1") = "6"
    & skf21("7","5","2","6","1","1","2","1") = "6"
    & skf21("7","5","2","6","1","1","3","1") = "6"
    & skf21("7","5","2","6","1","1","4","1") = "6"
    & skf21("7","5","2","6","1","1","5","1") = "6"
    & skf21("7","5","2","6","1","1","6","1") = "6"
    & skf21("7","5","2","6","1","1","7","1") = "6"
    & skf21("7","5","2","6","1","2","1","1") = "6"
    & skf21("7","5","2","6","1","2","2","1") = "6"
    & skf21("7","5","2","6","1","2","3","1") = "6"
    & skf21("7","5","2","6","1","2","4","1") = "6"
    & skf21("7","5","2","6","1","2","5","1") = "6"
    & skf21("7","5","2","6","1","2","6","1") = "6"
    & skf21("7","5","2","6","1","2","7","1") = "6"
    & skf21("7","5","2","6","1","3","1","1") = "6"
    & skf21("7","5","2","6","1","3","2","1") = "6"
    & skf21("7","5","2","6","1","3","3","1") = "6"
    & skf21("7","5","2","6","1","3","4","1") = "6"
    & skf21("7","5","2","6","1","3","5","1") = "6"
    & skf21("7","5","2","6","1","3","6","1") = "6"
    & skf21("7","5","2","6","1","3","7","1") = "6"
    & skf21("7","5","2","6","1","4","1","1") = "6"
    & skf21("7","5","2","6","1","4","2","1") = "6"
    & skf21("7","5","2","6","1","4","3","1") = "6"
    & skf21("7","5","2","6","1","4","4","1") = "6"
    & skf21("7","5","2","6","1","4","5","1") = "6"
    & skf21("7","5","2","6","1","4","6","1") = "6"
    & skf21("7","5","2","6","1","4","7","1") = "6"
    & skf21("7","5","2","6","1","5","1","1") = "6"
    & skf21("7","5","2","6","1","5","2","1") = "6"
    & skf21("7","5","2","6","1","5","3","1") = "6"
    & skf21("7","5","2","6","1","5","4","1") = "6"
    & skf21("7","5","2","6","1","5","5","1") = "6"
    & skf21("7","5","2","6","1","5","6","1") = "6"
    & skf21("7","5","2","6","1","5","7","1") = "6"
    & skf21("7","5","2","6","1","6","1","1") = "6"
    & skf21("7","5","2","6","1","6","2","1") = "6"
    & skf21("7","5","2","6","1","6","3","1") = "6"
    & skf21("7","5","2","6","1","6","4","1") = "6"
    & skf21("7","5","2","6","1","6","5","1") = "6"
    & skf21("7","5","2","6","1","6","6","1") = "6"
    & skf21("7","5","2","6","1","6","7","1") = "6"
    & skf21("7","5","2","6","1","7","1","1") = "6"
    & skf21("7","5","2","6","1","7","2","1") = "6"
    & skf21("7","5","2","6","1","7","3","1") = "6"
    & skf21("7","5","2","6","1","7","4","1") = "6"
    & skf21("7","5","2","6","1","7","5","1") = "6"
    & skf21("7","5","2","6","1","7","6","1") = "6"
    & skf21("7","5","2","6","1","7","7","1") = "6"
    & skf21("7","5","2","6","2","1","1","1") = "6"
    & skf21("7","5","2","6","2","1","2","1") = "6"
    & skf21("7","5","2","6","2","1","3","1") = "6"
    & skf21("7","5","2","6","2","1","4","1") = "6"
    & skf21("7","5","2","6","2","1","5","1") = "6"
    & skf21("7","5","2","6","2","1","6","1") = "6"
    & skf21("7","5","2","6","2","1","7","1") = "6"
    & skf21("7","5","2","6","2","2","1","1") = "6"
    & skf21("7","5","2","6","2","2","2","1") = "6"
    & skf21("7","5","2","6","2","2","3","1") = "6"
    & skf21("7","5","2","6","2","2","4","1") = "6"
    & skf21("7","5","2","6","2","2","5","1") = "6"
    & skf21("7","5","2","6","2","2","6","1") = "6"
    & skf21("7","5","2","6","2","2","7","1") = "6"
    & skf21("7","5","2","6","2","3","1","1") = "6"
    & skf21("7","5","2","6","2","3","2","1") = "6"
    & skf21("7","5","2","6","2","3","3","1") = "6"
    & skf21("7","5","2","6","2","3","4","1") = "6"
    & skf21("7","5","2","6","2","3","5","1") = "6"
    & skf21("7","5","2","6","2","3","6","1") = "6"
    & skf21("7","5","2","6","2","3","7","1") = "6"
    & skf21("7","5","2","6","2","4","1","1") = "6"
    & skf21("7","5","2","6","2","4","2","1") = "6"
    & skf21("7","5","2","6","2","4","3","1") = "6"
    & skf21("7","5","2","6","2","4","4","1") = "6"
    & skf21("7","5","2","6","2","4","5","1") = "6"
    & skf21("7","5","2","6","2","4","6","1") = "6"
    & skf21("7","5","2","6","2","4","7","1") = "6"
    & skf21("7","5","2","6","2","5","1","1") = "6"
    & skf21("7","5","2","6","2","5","2","1") = "6"
    & skf21("7","5","2","6","2","5","3","1") = "6"
    & skf21("7","5","2","6","2","5","4","1") = "6"
    & skf21("7","5","2","6","2","5","5","1") = "6"
    & skf21("7","5","2","6","2","5","6","1") = "6"
    & skf21("7","5","2","6","2","5","7","1") = "6"
    & skf21("7","5","2","6","2","6","1","1") = "6"
    & skf21("7","5","2","6","2","6","2","1") = "6"
    & skf21("7","5","2","6","2","6","3","1") = "6"
    & skf21("7","5","2","6","2","6","4","1") = "6"
    & skf21("7","5","2","6","2","6","5","1") = "6"
    & skf21("7","5","2","6","2","6","6","1") = "6"
    & skf21("7","5","2","6","2","6","7","1") = "6"
    & skf21("7","5","2","6","2","7","1","1") = "6"
    & skf21("7","5","2","6","2","7","2","1") = "6"
    & skf21("7","5","2","6","2","7","3","1") = "6"
    & skf21("7","5","2","6","2","7","4","1") = "6"
    & skf21("7","5","2","6","2","7","5","1") = "6"
    & skf21("7","5","2","6","2","7","6","1") = "6"
    & skf21("7","5","2","6","2","7","7","1") = "6"
    & skf21("7","5","2","6","3","1","1","1") = "6"
    & skf21("7","5","2","6","3","1","2","1") = "6"
    & skf21("7","5","2","6","3","1","3","1") = "6"
    & skf21("7","5","2","6","3","1","4","1") = "6"
    & skf21("7","5","2","6","3","1","5","1") = "6"
    & skf21("7","5","2","6","3","1","6","1") = "6"
    & skf21("7","5","2","6","3","1","7","1") = "6"
    & skf21("7","5","2","6","3","2","1","1") = "6"
    & skf21("7","5","2","6","3","2","2","1") = "6"
    & skf21("7","5","2","6","3","2","3","1") = "6"
    & skf21("7","5","2","6","3","2","4","1") = "6"
    & skf21("7","5","2","6","3","2","5","1") = "6"
    & skf21("7","5","2","6","3","2","6","1") = "6"
    & skf21("7","5","2","6","3","2","7","1") = "6"
    & skf21("7","5","2","6","3","3","1","1") = "6"
    & skf21("7","5","2","6","3","3","2","1") = "6"
    & skf21("7","5","2","6","3","3","3","1") = "6"
    & skf21("7","5","2","6","3","3","4","1") = "6"
    & skf21("7","5","2","6","3","3","5","1") = "6"
    & skf21("7","5","2","6","3","3","6","1") = "6"
    & skf21("7","5","2","6","3","3","7","1") = "6"
    & skf21("7","5","2","6","3","4","1","1") = "6"
    & skf21("7","5","2","6","3","4","2","1") = "6"
    & skf21("7","5","2","6","3","4","3","1") = "6"
    & skf21("7","5","2","6","3","4","4","1") = "6"
    & skf21("7","5","2","6","3","4","5","1") = "6"
    & skf21("7","5","2","6","3","4","6","1") = "6"
    & skf21("7","5","2","6","3","4","7","1") = "6"
    & skf21("7","5","2","6","3","5","1","1") = "6"
    & skf21("7","5","2","6","3","5","2","1") = "6"
    & skf21("7","5","2","6","3","5","3","1") = "6"
    & skf21("7","5","2","6","3","5","4","1") = "6"
    & skf21("7","5","2","6","3","5","5","1") = "6"
    & skf21("7","5","2","6","3","5","6","1") = "6"
    & skf21("7","5","2","6","3","5","7","1") = "6"
    & skf21("7","5","2","6","3","6","1","1") = "6"
    & skf21("7","5","2","6","3","6","2","1") = "6"
    & skf21("7","5","2","6","3","6","3","1") = "6"
    & skf21("7","5","2","6","3","6","4","1") = "6"
    & skf21("7","5","2","6","3","6","5","1") = "6"
    & skf21("7","5","2","6","3","6","6","1") = "6"
    & skf21("7","5","2","6","3","6","7","1") = "6"
    & skf21("7","5","2","6","3","7","1","1") = "6"
    & skf21("7","5","2","6","3","7","2","1") = "6"
    & skf21("7","5","2","6","3","7","3","1") = "6"
    & skf21("7","5","2","6","3","7","4","1") = "6"
    & skf21("7","5","2","6","3","7","5","1") = "6"
    & skf21("7","5","2","6","3","7","6","1") = "6"
    & skf21("7","5","2","6","3","7","7","1") = "6"
    & skf21("7","5","2","6","4","1","1","1") = "6"
    & skf21("7","5","2","6","4","1","2","1") = "6"
    & skf21("7","5","2","6","4","1","3","1") = "6"
    & skf21("7","5","2","6","4","1","4","1") = "6"
    & skf21("7","5","2","6","4","1","5","1") = "6"
    & skf21("7","5","2","6","4","1","6","1") = "6"
    & skf21("7","5","2","6","4","1","7","1") = "6"
    & skf21("7","5","2","6","4","2","1","1") = "6"
    & skf21("7","5","2","6","4","2","2","1") = "6"
    & skf21("7","5","2","6","4","2","3","1") = "6"
    & skf21("7","5","2","6","4","2","4","1") = "6"
    & skf21("7","5","2","6","4","2","5","1") = "6"
    & skf21("7","5","2","6","4","2","6","1") = "6"
    & skf21("7","5","2","6","4","2","7","1") = "6"
    & skf21("7","5","2","6","4","3","1","1") = "6"
    & skf21("7","5","2","6","4","3","2","1") = "6"
    & skf21("7","5","2","6","4","3","3","1") = "6"
    & skf21("7","5","2","6","4","3","4","1") = "6"
    & skf21("7","5","2","6","4","3","5","1") = "6"
    & skf21("7","5","2","6","4","3","6","1") = "6"
    & skf21("7","5","2","6","4","3","7","1") = "6"
    & skf21("7","5","2","6","4","4","1","1") = "6"
    & skf21("7","5","2","6","4","4","2","1") = "6"
    & skf21("7","5","2","6","4","4","3","1") = "6"
    & skf21("7","5","2","6","4","4","4","1") = "6"
    & skf21("7","5","2","6","4","4","5","1") = "6"
    & skf21("7","5","2","6","4","4","6","1") = "6"
    & skf21("7","5","2","6","4","4","7","1") = "6"
    & skf21("7","5","2","6","4","5","1","1") = "6"
    & skf21("7","5","2","6","4","5","2","1") = "6"
    & skf21("7","5","2","6","4","5","3","1") = "6"
    & skf21("7","5","2","6","4","5","4","1") = "6"
    & skf21("7","5","2","6","4","5","5","1") = "6"
    & skf21("7","5","2","6","4","5","6","1") = "6"
    & skf21("7","5","2","6","4","5","7","1") = "6"
    & skf21("7","5","2","6","4","6","1","1") = "6"
    & skf21("7","5","2","6","4","6","2","1") = "6"
    & skf21("7","5","2","6","4","6","3","1") = "6"
    & skf21("7","5","2","6","4","6","4","1") = "6"
    & skf21("7","5","2","6","4","6","5","1") = "6"
    & skf21("7","5","2","6","4","6","6","1") = "6"
    & skf21("7","5","2","6","4","6","7","1") = "6"
    & skf21("7","5","2","6","4","7","1","1") = "6"
    & skf21("7","5","2","6","4","7","2","1") = "6"
    & skf21("7","5","2","6","4","7","3","1") = "6"
    & skf21("7","5","2","6","4","7","4","1") = "6"
    & skf21("7","5","2","6","4","7","5","1") = "6"
    & skf21("7","5","2","6","4","7","6","1") = "6"
    & skf21("7","5","2","6","4","7","7","1") = "6"
    & skf21("7","5","2","6","5","1","1","1") = "6"
    & skf21("7","5","2","6","5","1","2","1") = "6"
    & skf21("7","5","2","6","5","1","3","1") = "6"
    & skf21("7","5","2","6","5","1","4","1") = "6"
    & skf21("7","5","2","6","5","1","5","1") = "6"
    & skf21("7","5","2","6","5","1","6","1") = "6"
    & skf21("7","5","2","6","5","1","7","1") = "6"
    & skf21("7","5","2","6","5","2","1","1") = "6"
    & skf21("7","5","2","6","5","2","2","1") = "6"
    & skf21("7","5","2","6","5","2","3","1") = "6"
    & skf21("7","5","2","6","5","2","4","1") = "6"
    & skf21("7","5","2","6","5","2","5","1") = "6"
    & skf21("7","5","2","6","5","2","6","1") = "6"
    & skf21("7","5","2","6","5","2","7","1") = "6"
    & skf21("7","5","2","6","5","3","1","1") = "6"
    & skf21("7","5","2","6","5","3","2","1") = "6"
    & skf21("7","5","2","6","5","3","3","1") = "6"
    & skf21("7","5","2","6","5","3","4","1") = "6"
    & skf21("7","5","2","6","5","3","5","1") = "6"
    & skf21("7","5","2","6","5","3","6","1") = "6"
    & skf21("7","5","2","6","5","3","7","1") = "6"
    & skf21("7","5","2","6","5","4","1","1") = "6"
    & skf21("7","5","2","6","5","4","2","1") = "6"
    & skf21("7","5","2","6","5","4","3","1") = "6"
    & skf21("7","5","2","6","5","4","4","1") = "6"
    & skf21("7","5","2","6","5","4","5","1") = "6"
    & skf21("7","5","2","6","5","4","6","1") = "6"
    & skf21("7","5","2","6","5","4","7","1") = "6"
    & skf21("7","5","2","6","5","5","1","1") = "6"
    & skf21("7","5","2","6","5","5","2","1") = "6"
    & skf21("7","5","2","6","5","5","3","1") = "6"
    & skf21("7","5","2","6","5","5","4","1") = "6"
    & skf21("7","5","2","6","5","5","5","1") = "6"
    & skf21("7","5","2","6","5","5","6","1") = "6"
    & skf21("7","5","2","6","5","5","7","1") = "6"
    & skf21("7","5","2","6","5","6","1","1") = "6"
    & skf21("7","5","2","6","5","6","2","1") = "6"
    & skf21("7","5","2","6","5","6","3","1") = "6"
    & skf21("7","5","2","6","5","6","4","1") = "6"
    & skf21("7","5","2","6","5","6","5","1") = "6"
    & skf21("7","5","2","6","5","6","6","1") = "6"
    & skf21("7","5","2","6","5","6","7","1") = "6"
    & skf21("7","5","2","6","5","7","1","1") = "6"
    & skf21("7","5","2","6","5","7","2","1") = "6"
    & skf21("7","5","2","6","5","7","3","1") = "6"
    & skf21("7","5","2","6","5","7","4","1") = "6"
    & skf21("7","5","2","6","5","7","5","1") = "6"
    & skf21("7","5","2","6","5","7","6","1") = "6"
    & skf21("7","5","2","6","5","7","7","1") = "6"
    & skf21("7","5","2","6","6","1","1","1") = "6"
    & skf21("7","5","2","6","6","1","2","1") = "6"
    & skf21("7","5","2","6","6","1","3","1") = "6"
    & skf21("7","5","2","6","6","1","4","1") = "6"
    & skf21("7","5","2","6","6","1","5","1") = "6"
    & skf21("7","5","2","6","6","1","6","1") = "6"
    & skf21("7","5","2","6","6","1","7","1") = "6"
    & skf21("7","5","2","6","6","2","1","1") = "6"
    & skf21("7","5","2","6","6","2","2","1") = "6"
    & skf21("7","5","2","6","6","2","3","1") = "6"
    & skf21("7","5","2","6","6","2","4","1") = "6"
    & skf21("7","5","2","6","6","2","5","1") = "6"
    & skf21("7","5","2","6","6","2","6","1") = "6"
    & skf21("7","5","2","6","6","2","7","1") = "6"
    & skf21("7","5","2","6","6","3","1","1") = "6"
    & skf21("7","5","2","6","6","3","2","1") = "6"
    & skf21("7","5","2","6","6","3","3","1") = "6"
    & skf21("7","5","2","6","6","3","4","1") = "6"
    & skf21("7","5","2","6","6","3","5","1") = "6"
    & skf21("7","5","2","6","6","3","6","1") = "6"
    & skf21("7","5","2","6","6","3","7","1") = "6"
    & skf21("7","5","2","6","6","4","1","1") = "6"
    & skf21("7","5","2","6","6","4","2","1") = "6"
    & skf21("7","5","2","6","6","4","3","1") = "6"
    & skf21("7","5","2","6","6","4","4","1") = "6"
    & skf21("7","5","2","6","6","4","5","1") = "6"
    & skf21("7","5","2","6","6","4","6","1") = "6"
    & skf21("7","5","2","6","6","4","7","1") = "6"
    & skf21("7","5","2","6","6","5","1","1") = "6"
    & skf21("7","5","2","6","6","5","2","1") = "6"
    & skf21("7","5","2","6","6","5","3","1") = "6"
    & skf21("7","5","2","6","6","5","4","1") = "6"
    & skf21("7","5","2","6","6","5","5","1") = "6"
    & skf21("7","5","2","6","6","5","6","1") = "6"
    & skf21("7","5","2","6","6","5","7","1") = "6"
    & skf21("7","5","2","6","6","6","1","1") = "6"
    & skf21("7","5","2","6","6","6","2","1") = "6"
    & skf21("7","5","2","6","6","6","3","1") = "6"
    & skf21("7","5","2","6","6","6","4","1") = "6"
    & skf21("7","5","2","6","6","6","5","1") = "6"
    & skf21("7","5","2","6","6","6","6","1") = "6"
    & skf21("7","5","2","6","6","6","7","1") = "6"
    & skf21("7","5","2","6","6","7","1","1") = "6"
    & skf21("7","5","2","6","6","7","2","1") = "6"
    & skf21("7","5","2","6","6","7","3","1") = "6"
    & skf21("7","5","2","6","6","7","4","1") = "6"
    & skf21("7","5","2","6","6","7","5","1") = "6"
    & skf21("7","5","2","6","6","7","6","1") = "6"
    & skf21("7","5","2","6","6","7","7","1") = "6"
    & skf21("7","5","2","6","7","1","1","1") = "6"
    & skf21("7","5","2","6","7","1","2","1") = "6"
    & skf21("7","5","2","6","7","1","3","1") = "6"
    & skf21("7","5","2","6","7","1","4","1") = "6"
    & skf21("7","5","2","6","7","1","5","1") = "6"
    & skf21("7","5","2","6","7","1","6","1") = "6"
    & skf21("7","5","2","6","7","1","7","1") = "6"
    & skf21("7","5","2","6","7","2","1","1") = "6"
    & skf21("7","5","2","6","7","2","2","1") = "6"
    & skf21("7","5","2","6","7","2","3","1") = "6"
    & skf21("7","5","2","6","7","2","4","1") = "6"
    & skf21("7","5","2","6","7","2","5","1") = "6"
    & skf21("7","5","2","6","7","2","6","1") = "6"
    & skf21("7","5","2","6","7","2","7","1") = "6"
    & skf21("7","5","2","6","7","3","1","1") = "6"
    & skf21("7","5","2","6","7","3","2","1") = "6"
    & skf21("7","5","2","6","7","3","3","1") = "6"
    & skf21("7","5","2","6","7","3","4","1") = "6"
    & skf21("7","5","2","6","7","3","5","1") = "6"
    & skf21("7","5","2","6","7","3","6","1") = "6"
    & skf21("7","5","2","6","7","3","7","1") = "6"
    & skf21("7","5","2","6","7","4","1","1") = "6"
    & skf21("7","5","2","6","7","4","2","1") = "6"
    & skf21("7","5","2","6","7","4","3","1") = "6"
    & skf21("7","5","2","6","7","4","4","1") = "6"
    & skf21("7","5","2","6","7","4","5","1") = "6"
    & skf21("7","5","2","6","7","4","6","1") = "6"
    & skf21("7","5","2","6","7","4","7","1") = "6"
    & skf21("7","5","2","6","7","5","1","1") = "6"
    & skf21("7","5","2","6","7","5","2","1") = "6"
    & skf21("7","5","2","6","7","5","3","1") = "6"
    & skf21("7","5","2","6","7","5","4","1") = "6"
    & skf21("7","5","2","6","7","5","5","1") = "6"
    & skf21("7","5","2","6","7","5","6","1") = "6"
    & skf21("7","5","2","6","7","5","7","1") = "6"
    & skf21("7","5","2","6","7","6","1","1") = "6"
    & skf21("7","5","2","6","7","6","2","1") = "6"
    & skf21("7","5","2","6","7","6","3","1") = "6"
    & skf21("7","5","2","6","7","6","4","1") = "6"
    & skf21("7","5","2","6","7","6","5","1") = "6"
    & skf21("7","5","2","6","7","6","6","1") = "6"
    & skf21("7","5","2","6","7","6","7","1") = "6"
    & skf21("7","5","2","6","7","7","1","1") = "6"
    & skf21("7","5","2","6","7","7","2","1") = "6"
    & skf21("7","5","2","6","7","7","3","1") = "6"
    & skf21("7","5","2","6","7","7","4","1") = "6"
    & skf21("7","5","2","6","7","7","5","1") = "6"
    & skf21("7","5","2","6","7","7","6","1") = "6"
    & skf21("7","5","2","6","7","7","7","1") = "6"
    & skf21("7","5","2","7","1","1","1","1") = "6"
    & skf21("7","5","2","7","1","1","2","1") = "6"
    & skf21("7","5","2","7","1","1","3","1") = "6"
    & skf21("7","5","2","7","1","1","4","1") = "6"
    & skf21("7","5","2","7","1","1","5","1") = "6"
    & skf21("7","5","2","7","1","1","6","1") = "6"
    & skf21("7","5","2","7","1","1","7","1") = "6"
    & skf21("7","5","2","7","1","2","1","1") = "6"
    & skf21("7","5","2","7","1","2","2","1") = "6"
    & skf21("7","5","2","7","1","2","3","1") = "6"
    & skf21("7","5","2","7","1","2","4","1") = "6"
    & skf21("7","5","2","7","1","2","5","1") = "6"
    & skf21("7","5","2","7","1","2","6","1") = "6"
    & skf21("7","5","2","7","1","2","7","1") = "6"
    & skf21("7","5","2","7","1","3","1","1") = "6"
    & skf21("7","5","2","7","1","3","2","1") = "6"
    & skf21("7","5","2","7","1","3","3","1") = "6"
    & skf21("7","5","2","7","1","3","4","1") = "6"
    & skf21("7","5","2","7","1","3","5","1") = "6"
    & skf21("7","5","2","7","1","3","6","1") = "6"
    & skf21("7","5","2","7","1","3","7","1") = "6"
    & skf21("7","5","2","7","1","4","1","1") = "6"
    & skf21("7","5","2","7","1","4","2","1") = "6"
    & skf21("7","5","2","7","1","4","3","1") = "6"
    & skf21("7","5","2","7","1","4","4","1") = "6"
    & skf21("7","5","2","7","1","4","5","1") = "6"
    & skf21("7","5","2","7","1","4","6","1") = "6"
    & skf21("7","5","2","7","1","4","7","1") = "6"
    & skf21("7","5","2","7","1","5","1","1") = "6"
    & skf21("7","5","2","7","1","5","2","1") = "6"
    & skf21("7","5","2","7","1","5","3","1") = "6"
    & skf21("7","5","2","7","1","5","4","1") = "6"
    & skf21("7","5","2","7","1","5","5","1") = "6"
    & skf21("7","5","2","7","1","5","6","1") = "6"
    & skf21("7","5","2","7","1","5","7","1") = "6"
    & skf21("7","5","2","7","1","6","1","1") = "6"
    & skf21("7","5","2","7","1","6","2","1") = "6"
    & skf21("7","5","2","7","1","6","3","1") = "6"
    & skf21("7","5","2","7","1","6","4","1") = "6"
    & skf21("7","5","2","7","1","6","5","1") = "6"
    & skf21("7","5","2","7","1","6","6","1") = "6"
    & skf21("7","5","2","7","1","6","7","1") = "6"
    & skf21("7","5","2","7","1","7","1","1") = "6"
    & skf21("7","5","2","7","1","7","2","1") = "6"
    & skf21("7","5","2","7","1","7","3","1") = "6"
    & skf21("7","5","2","7","1","7","4","1") = "6"
    & skf21("7","5","2","7","1","7","5","1") = "6"
    & skf21("7","5","2","7","1","7","6","1") = "6"
    & skf21("7","5","2","7","1","7","7","1") = "6"
    & skf21("7","5","2","7","2","1","1","1") = "6"
    & skf21("7","5","2","7","2","1","2","1") = "6"
    & skf21("7","5","2","7","2","1","3","1") = "6"
    & skf21("7","5","2","7","2","1","4","1") = "6"
    & skf21("7","5","2","7","2","1","5","1") = "6"
    & skf21("7","5","2","7","2","1","6","1") = "6"
    & skf21("7","5","2","7","2","1","7","1") = "6"
    & skf21("7","5","2","7","2","2","1","1") = "6"
    & skf21("7","5","2","7","2","2","2","1") = "6"
    & skf21("7","5","2","7","2","2","3","1") = "6"
    & skf21("7","5","2","7","2","2","4","1") = "6"
    & skf21("7","5","2","7","2","2","5","1") = "6"
    & skf21("7","5","2","7","2","2","6","1") = "6"
    & skf21("7","5","2","7","2","2","7","1") = "6"
    & skf21("7","5","2","7","2","3","1","1") = "6"
    & skf21("7","5","2","7","2","3","2","1") = "6"
    & skf21("7","5","2","7","2","3","3","1") = "6"
    & skf21("7","5","2","7","2","3","4","1") = "6"
    & skf21("7","5","2","7","2","3","5","1") = "6"
    & skf21("7","5","2","7","2","3","6","1") = "6"
    & skf21("7","5","2","7","2","3","7","1") = "6"
    & skf21("7","5","2","7","2","4","1","1") = "6"
    & skf21("7","5","2","7","2","4","2","1") = "6"
    & skf21("7","5","2","7","2","4","3","1") = "6"
    & skf21("7","5","2","7","2","4","4","1") = "6"
    & skf21("7","5","2","7","2","4","5","1") = "6"
    & skf21("7","5","2","7","2","4","6","1") = "6"
    & skf21("7","5","2","7","2","4","7","1") = "6"
    & skf21("7","5","2","7","2","5","1","1") = "6"
    & skf21("7","5","2","7","2","5","2","1") = "6"
    & skf21("7","5","2","7","2","5","3","1") = "6"
    & skf21("7","5","2","7","2","5","4","1") = "6"
    & skf21("7","5","2","7","2","5","5","1") = "6"
    & skf21("7","5","2","7","2","5","6","1") = "6"
    & skf21("7","5","2","7","2","5","7","1") = "6"
    & skf21("7","5","2","7","2","6","1","1") = "6"
    & skf21("7","5","2","7","2","6","2","1") = "6"
    & skf21("7","5","2","7","2","6","3","1") = "6"
    & skf21("7","5","2","7","2","6","4","1") = "6"
    & skf21("7","5","2","7","2","6","5","1") = "6"
    & skf21("7","5","2","7","2","6","6","1") = "6"
    & skf21("7","5","2","7","2","6","7","1") = "6"
    & skf21("7","5","2","7","2","7","1","1") = "6"
    & skf21("7","5","2","7","2","7","2","1") = "6"
    & skf21("7","5","2","7","2","7","3","1") = "6"
    & skf21("7","5","2","7","2","7","4","1") = "6"
    & skf21("7","5","2","7","2","7","5","1") = "6"
    & skf21("7","5","2","7","2","7","6","1") = "6"
    & skf21("7","5","2","7","2","7","7","1") = "6"
    & skf21("7","5","2","7","3","1","1","1") = "6"
    & skf21("7","5","2","7","3","1","2","1") = "6"
    & skf21("7","5","2","7","3","1","3","1") = "6"
    & skf21("7","5","2","7","3","1","4","1") = "6"
    & skf21("7","5","2","7","3","1","5","1") = "6"
    & skf21("7","5","2","7","3","1","6","1") = "6"
    & skf21("7","5","2","7","3","1","7","1") = "6"
    & skf21("7","5","2","7","3","2","1","1") = "6"
    & skf21("7","5","2","7","3","2","2","1") = "6"
    & skf21("7","5","2","7","3","2","3","1") = "6"
    & skf21("7","5","2","7","3","2","4","1") = "6"
    & skf21("7","5","2","7","3","2","5","1") = "6"
    & skf21("7","5","2","7","3","2","6","1") = "6"
    & skf21("7","5","2","7","3","2","7","1") = "6"
    & skf21("7","5","2","7","3","3","1","1") = "6"
    & skf21("7","5","2","7","3","3","2","1") = "6"
    & skf21("7","5","2","7","3","3","3","1") = "6"
    & skf21("7","5","2","7","3","3","4","1") = "6"
    & skf21("7","5","2","7","3","3","5","1") = "6"
    & skf21("7","5","2","7","3","3","6","1") = "6"
    & skf21("7","5","2","7","3","3","7","1") = "6"
    & skf21("7","5","2","7","3","4","1","1") = "6"
    & skf21("7","5","2","7","3","4","2","1") = "6"
    & skf21("7","5","2","7","3","4","3","1") = "6"
    & skf21("7","5","2","7","3","4","4","1") = "6"
    & skf21("7","5","2","7","3","4","5","1") = "6"
    & skf21("7","5","2","7","3","4","6","1") = "6"
    & skf21("7","5","2","7","3","4","7","1") = "6"
    & skf21("7","5","2","7","3","5","1","1") = "6"
    & skf21("7","5","2","7","3","5","2","1") = "6"
    & skf21("7","5","2","7","3","5","3","1") = "6"
    & skf21("7","5","2","7","3","5","4","1") = "6"
    & skf21("7","5","2","7","3","5","5","1") = "6"
    & skf21("7","5","2","7","3","5","6","1") = "6"
    & skf21("7","5","2","7","3","5","7","1") = "6"
    & skf21("7","5","2","7","3","6","1","1") = "6"
    & skf21("7","5","2","7","3","6","2","1") = "6"
    & skf21("7","5","2","7","3","6","3","1") = "6"
    & skf21("7","5","2","7","3","6","4","1") = "6"
    & skf21("7","5","2","7","3","6","5","1") = "6"
    & skf21("7","5","2","7","3","6","6","1") = "6"
    & skf21("7","5","2","7","3","6","7","1") = "6"
    & skf21("7","5","2","7","3","7","1","1") = "6"
    & skf21("7","5","2","7","3","7","2","1") = "6"
    & skf21("7","5","2","7","3","7","3","1") = "6"
    & skf21("7","5","2","7","3","7","4","1") = "6"
    & skf21("7","5","2","7","3","7","5","1") = "6"
    & skf21("7","5","2","7","3","7","6","1") = "6"
    & skf21("7","5","2","7","3","7","7","1") = "6"
    & skf21("7","5","2","7","4","1","1","1") = "6"
    & skf21("7","5","2","7","4","1","2","1") = "6"
    & skf21("7","5","2","7","4","1","3","1") = "6"
    & skf21("7","5","2","7","4","1","4","1") = "6"
    & skf21("7","5","2","7","4","1","5","1") = "6"
    & skf21("7","5","2","7","4","1","6","1") = "6"
    & skf21("7","5","2","7","4","1","7","1") = "6"
    & skf21("7","5","2","7","4","2","1","1") = "6"
    & skf21("7","5","2","7","4","2","2","1") = "6"
    & skf21("7","5","2","7","4","2","3","1") = "6"
    & skf21("7","5","2","7","4","2","4","1") = "6"
    & skf21("7","5","2","7","4","2","5","1") = "6"
    & skf21("7","5","2","7","4","2","6","1") = "6"
    & skf21("7","5","2","7","4","2","7","1") = "6"
    & skf21("7","5","2","7","4","3","1","1") = "6"
    & skf21("7","5","2","7","4","3","2","1") = "6"
    & skf21("7","5","2","7","4","3","3","1") = "6"
    & skf21("7","5","2","7","4","3","4","1") = "6"
    & skf21("7","5","2","7","4","3","5","1") = "6"
    & skf21("7","5","2","7","4","3","6","1") = "6"
    & skf21("7","5","2","7","4","3","7","1") = "6"
    & skf21("7","5","2","7","4","4","1","1") = "6"
    & skf21("7","5","2","7","4","4","2","1") = "6"
    & skf21("7","5","2","7","4","4","3","1") = "6"
    & skf21("7","5","2","7","4","4","4","1") = "6"
    & skf21("7","5","2","7","4","4","5","1") = "6"
    & skf21("7","5","2","7","4","4","6","1") = "6"
    & skf21("7","5","2","7","4","4","7","1") = "6"
    & skf21("7","5","2","7","4","5","1","1") = "6"
    & skf21("7","5","2","7","4","5","2","1") = "6"
    & skf21("7","5","2","7","4","5","3","1") = "6"
    & skf21("7","5","2","7","4","5","4","1") = "6"
    & skf21("7","5","2","7","4","5","5","1") = "6"
    & skf21("7","5","2","7","4","5","6","1") = "6"
    & skf21("7","5","2","7","4","5","7","1") = "6"
    & skf21("7","5","2","7","4","6","1","1") = "6"
    & skf21("7","5","2","7","4","6","2","1") = "6"
    & skf21("7","5","2","7","4","6","3","1") = "6"
    & skf21("7","5","2","7","4","6","4","1") = "6"
    & skf21("7","5","2","7","4","6","5","1") = "6"
    & skf21("7","5","2","7","4","6","6","1") = "6"
    & skf21("7","5","2","7","4","6","7","1") = "6"
    & skf21("7","5","2","7","4","7","1","1") = "6"
    & skf21("7","5","2","7","4","7","2","1") = "6"
    & skf21("7","5","2","7","4","7","3","1") = "6"
    & skf21("7","5","2","7","4","7","4","1") = "6"
    & skf21("7","5","2","7","4","7","5","1") = "6"
    & skf21("7","5","2","7","4","7","6","1") = "6"
    & skf21("7","5","2","7","4","7","7","1") = "6"
    & skf21("7","5","2","7","5","1","1","1") = "6"
    & skf21("7","5","2","7","5","1","2","1") = "6"
    & skf21("7","5","2","7","5","1","3","1") = "6"
    & skf21("7","5","2","7","5","1","4","1") = "6"
    & skf21("7","5","2","7","5","1","5","1") = "6"
    & skf21("7","5","2","7","5","1","6","1") = "6"
    & skf21("7","5","2","7","5","1","7","1") = "6"
    & skf21("7","5","2","7","5","2","1","1") = "6"
    & skf21("7","5","2","7","5","2","2","1") = "6"
    & skf21("7","5","2","7","5","2","3","1") = "6"
    & skf21("7","5","2","7","5","2","4","1") = "6"
    & skf21("7","5","2","7","5","2","5","1") = "6"
    & skf21("7","5","2","7","5","2","6","1") = "6"
    & skf21("7","5","2","7","5","2","7","1") = "6"
    & skf21("7","5","2","7","5","3","1","1") = "6"
    & skf21("7","5","2","7","5","3","2","1") = "6"
    & skf21("7","5","2","7","5","3","3","1") = "6"
    & skf21("7","5","2","7","5","3","4","1") = "6"
    & skf21("7","5","2","7","5","3","5","1") = "6"
    & skf21("7","5","2","7","5","3","6","1") = "6"
    & skf21("7","5","2","7","5","3","7","1") = "6"
    & skf21("7","5","2","7","5","4","1","1") = "6"
    & skf21("7","5","2","7","5","4","2","1") = "6"
    & skf21("7","5","2","7","5","4","3","1") = "6"
    & skf21("7","5","2","7","5","4","4","1") = "6"
    & skf21("7","5","2","7","5","4","5","1") = "6"
    & skf21("7","5","2","7","5","4","6","1") = "6"
    & skf21("7","5","2","7","5","4","7","1") = "6"
    & skf21("7","5","2","7","5","5","1","1") = "6"
    & skf21("7","5","2","7","5","5","2","1") = "6"
    & skf21("7","5","2","7","5","5","3","1") = "6"
    & skf21("7","5","2","7","5","5","4","1") = "6"
    & skf21("7","5","2","7","5","5","5","1") = "6"
    & skf21("7","5","2","7","5","5","6","1") = "6"
    & skf21("7","5","2","7","5","5","7","1") = "6"
    & skf21("7","5","2","7","5","6","1","1") = "6"
    & skf21("7","5","2","7","5","6","2","1") = "6"
    & skf21("7","5","2","7","5","6","3","1") = "6"
    & skf21("7","5","2","7","5","6","4","1") = "6"
    & skf21("7","5","2","7","5","6","5","1") = "6"
    & skf21("7","5","2","7","5","6","6","1") = "6"
    & skf21("7","5","2","7","5","6","7","1") = "6"
    & skf21("7","5","2","7","5","7","1","1") = "6"
    & skf21("7","5","2","7","5","7","2","1") = "6"
    & skf21("7","5","2","7","5","7","3","1") = "6"
    & skf21("7","5","2","7","5","7","4","1") = "6"
    & skf21("7","5","2","7","5","7","5","1") = "6"
    & skf21("7","5","2","7","5","7","6","1") = "6"
    & skf21("7","5","2","7","5","7","7","1") = "6"
    & skf21("7","5","2","7","6","1","1","1") = "6"
    & skf21("7","5","2","7","6","1","2","1") = "6"
    & skf21("7","5","2","7","6","1","3","1") = "6"
    & skf21("7","5","2","7","6","1","4","1") = "6"
    & skf21("7","5","2","7","6","1","5","1") = "6"
    & skf21("7","5","2","7","6","1","6","1") = "6"
    & skf21("7","5","2","7","6","1","7","1") = "6"
    & skf21("7","5","2","7","6","2","1","1") = "6"
    & skf21("7","5","2","7","6","2","2","1") = "6"
    & skf21("7","5","2","7","6","2","3","1") = "6"
    & skf21("7","5","2","7","6","2","4","1") = "6"
    & skf21("7","5","2","7","6","2","5","1") = "6"
    & skf21("7","5","2","7","6","2","6","1") = "6"
    & skf21("7","5","2","7","6","2","7","1") = "6"
    & skf21("7","5","2","7","6","3","1","1") = "6"
    & skf21("7","5","2","7","6","3","2","1") = "6"
    & skf21("7","5","2","7","6","3","3","1") = "6"
    & skf21("7","5","2","7","6","3","4","1") = "6"
    & skf21("7","5","2","7","6","3","5","1") = "6"
    & skf21("7","5","2","7","6","3","6","1") = "6"
    & skf21("7","5","2","7","6","3","7","1") = "6"
    & skf21("7","5","2","7","6","4","1","1") = "6"
    & skf21("7","5","2","7","6","4","2","1") = "6"
    & skf21("7","5","2","7","6","4","3","1") = "6"
    & skf21("7","5","2","7","6","4","4","1") = "6"
    & skf21("7","5","2","7","6","4","5","1") = "6"
    & skf21("7","5","2","7","6","4","6","1") = "6"
    & skf21("7","5","2","7","6","4","7","1") = "6"
    & skf21("7","5","2","7","6","5","1","1") = "6"
    & skf21("7","5","2","7","6","5","2","1") = "6"
    & skf21("7","5","2","7","6","5","3","1") = "6"
    & skf21("7","5","2","7","6","5","4","1") = "6"
    & skf21("7","5","2","7","6","5","5","1") = "6"
    & skf21("7","5","2","7","6","5","6","1") = "6"
    & skf21("7","5","2","7","6","5","7","1") = "6"
    & skf21("7","5","2","7","6","6","1","1") = "6"
    & skf21("7","5","2","7","6","6","2","1") = "6"
    & skf21("7","5","2","7","6","6","3","1") = "6"
    & skf21("7","5","2","7","6","6","4","1") = "6"
    & skf21("7","5","2","7","6","6","5","1") = "6"
    & skf21("7","5","2","7","6","6","6","1") = "6"
    & skf21("7","5","2","7","6","6","7","1") = "6"
    & skf21("7","5","2","7","6","7","1","1") = "6"
    & skf21("7","5","2","7","6","7","2","1") = "6"
    & skf21("7","5","2","7","6","7","3","1") = "6"
    & skf21("7","5","2","7","6","7","4","1") = "6"
    & skf21("7","5","2","7","6","7","5","1") = "6"
    & skf21("7","5","2","7","6","7","6","1") = "6"
    & skf21("7","5","2","7","6","7","7","1") = "6"
    & skf21("7","5","2","7","7","1","1","1") = "6"
    & skf21("7","5","2","7","7","1","2","1") = "6"
    & skf21("7","5","2","7","7","1","3","1") = "6"
    & skf21("7","5","2","7","7","1","4","1") = "6"
    & skf21("7","5","2","7","7","1","5","1") = "6"
    & skf21("7","5","2","7","7","1","6","1") = "6"
    & skf21("7","5","2","7","7","1","7","1") = "6"
    & skf21("7","5","2","7","7","2","1","1") = "6"
    & skf21("7","5","2","7","7","2","2","1") = "6"
    & skf21("7","5","2","7","7","2","3","1") = "6"
    & skf21("7","5","2","7","7","2","4","1") = "6"
    & skf21("7","5","2","7","7","2","5","1") = "6"
    & skf21("7","5","2","7","7","2","6","1") = "6"
    & skf21("7","5","2","7","7","2","7","1") = "6"
    & skf21("7","5","2","7","7","3","1","1") = "6"
    & skf21("7","5","2","7","7","3","2","1") = "6"
    & skf21("7","5","2","7","7","3","3","1") = "6"
    & skf21("7","5","2","7","7","3","4","1") = "6"
    & skf21("7","5","2","7","7","3","5","1") = "6"
    & skf21("7","5","2","7","7","3","6","1") = "6"
    & skf21("7","5","2","7","7","3","7","1") = "6"
    & skf21("7","5","2","7","7","4","1","1") = "6"
    & skf21("7","5","2","7","7","4","2","1") = "6"
    & skf21("7","5","2","7","7","4","3","1") = "6"
    & skf21("7","5","2","7","7","4","4","1") = "6"
    & skf21("7","5","2","7","7","4","5","1") = "6"
    & skf21("7","5","2","7","7","4","6","1") = "6"
    & skf21("7","5","2","7","7","4","7","1") = "6"
    & skf21("7","5","2","7","7","5","1","1") = "6"
    & skf21("7","5","2","7","7","5","2","1") = "6"
    & skf21("7","5","2","7","7","5","3","1") = "6"
    & skf21("7","5","2","7","7","5","4","1") = "6"
    & skf21("7","5","2","7","7","5","5","1") = "6"
    & skf21("7","5","2","7","7","5","6","1") = "6"
    & skf21("7","5","2","7","7","5","7","1") = "6"
    & skf21("7","5","2","7","7","6","1","1") = "6"
    & skf21("7","5","2","7","7","6","2","1") = "6"
    & skf21("7","5","2","7","7","6","3","1") = "6"
    & skf21("7","5","2","7","7","6","4","1") = "6"
    & skf21("7","5","2","7","7","6","5","1") = "6"
    & skf21("7","5","2","7","7","6","6","1") = "6"
    & skf21("7","5","2","7","7","6","7","1") = "6"
    & skf21("7","5","2","7","7","7","1","1") = "6"
    & skf21("7","5","2","7","7","7","2","1") = "6"
    & skf21("7","5","2","7","7","7","3","1") = "6"
    & skf21("7","5","2","7","7","7","4","1") = "6"
    & skf21("7","5","2","7","7","7","5","1") = "6"
    & skf21("7","5","2","7","7","7","6","1") = "6"
    & skf21("7","5","2","7","7","7","7","1") = "6"
    & skf21("7","5","3","1","1","1","1","1") = "6"
    & skf21("7","5","3","1","1","1","2","1") = "6"
    & skf21("7","5","3","1","1","1","3","1") = "6"
    & skf21("7","5","3","1","1","1","4","1") = "6"
    & skf21("7","5","3","1","1","1","5","1") = "6"
    & skf21("7","5","3","1","1","1","6","1") = "6"
    & skf21("7","5","3","1","1","1","7","1") = "6"
    & skf21("7","5","3","1","1","2","1","1") = "6"
    & skf21("7","5","3","1","1","2","2","1") = "6"
    & skf21("7","5","3","1","1","2","3","1") = "6"
    & skf21("7","5","3","1","1","2","4","1") = "6"
    & skf21("7","5","3","1","1","2","5","1") = "6"
    & skf21("7","5","3","1","1","2","6","1") = "6"
    & skf21("7","5","3","1","1","2","7","1") = "6"
    & skf21("7","5","3","1","1","3","1","1") = "6"
    & skf21("7","5","3","1","1","3","2","1") = "6"
    & skf21("7","5","3","1","1","3","3","1") = "6"
    & skf21("7","5","3","1","1","3","4","1") = "6"
    & skf21("7","5","3","1","1","3","5","1") = "6"
    & skf21("7","5","3","1","1","3","6","1") = "6"
    & skf21("7","5","3","1","1","3","7","1") = "6"
    & skf21("7","5","3","1","1","4","1","1") = "6"
    & skf21("7","5","3","1","1","4","2","1") = "6"
    & skf21("7","5","3","1","1","4","3","1") = "6"
    & skf21("7","5","3","1","1","4","4","1") = "6"
    & skf21("7","5","3","1","1","4","5","1") = "6"
    & skf21("7","5","3","1","1","4","6","1") = "6"
    & skf21("7","5","3","1","1","4","7","1") = "6"
    & skf21("7","5","3","1","1","5","1","1") = "6"
    & skf21("7","5","3","1","1","5","2","1") = "6"
    & skf21("7","5","3","1","1","5","3","1") = "6"
    & skf21("7","5","3","1","1","5","4","1") = "6"
    & skf21("7","5","3","1","1","5","5","1") = "6"
    & skf21("7","5","3","1","1","5","6","1") = "6"
    & skf21("7","5","3","1","1","5","7","1") = "6"
    & skf21("7","5","3","1","1","6","1","1") = "6"
    & skf21("7","5","3","1","1","6","2","1") = "6"
    & skf21("7","5","3","1","1","6","3","1") = "6"
    & skf21("7","5","3","1","1","6","4","1") = "6"
    & skf21("7","5","3","1","1","6","5","1") = "6"
    & skf21("7","5","3","1","1","6","6","1") = "6"
    & skf21("7","5","3","1","1","6","7","1") = "6"
    & skf21("7","5","3","1","1","7","1","1") = "6"
    & skf21("7","5","3","1","1","7","2","1") = "6"
    & skf21("7","5","3","1","1","7","3","1") = "6"
    & skf21("7","5","3","1","1","7","4","1") = "6"
    & skf21("7","5","3","1","1","7","5","1") = "6"
    & skf21("7","5","3","1","1","7","6","1") = "6"
    & skf21("7","5","3","1","1","7","7","1") = "6"
    & skf21("7","5","3","1","2","1","1","1") = "6"
    & skf21("7","5","3","1","2","1","2","1") = "6"
    & skf21("7","5","3","1","2","1","3","1") = "6"
    & skf21("7","5","3","1","2","1","4","1") = "6"
    & skf21("7","5","3","1","2","1","5","1") = "6"
    & skf21("7","5","3","1","2","1","6","1") = "6"
    & skf21("7","5","3","1","2","1","7","1") = "6"
    & skf21("7","5","3","1","2","2","1","1") = "6"
    & skf21("7","5","3","1","2","2","2","1") = "6"
    & skf21("7","5","3","1","2","2","3","1") = "6"
    & skf21("7","5","3","1","2","2","4","1") = "6"
    & skf21("7","5","3","1","2","2","5","1") = "6"
    & skf21("7","5","3","1","2","2","6","1") = "6"
    & skf21("7","5","3","1","2","2","7","1") = "6"
    & skf21("7","5","3","1","2","3","1","1") = "6"
    & skf21("7","5","3","1","2","3","2","1") = "6"
    & skf21("7","5","3","1","2","3","3","1") = "6"
    & skf21("7","5","3","1","2","3","4","1") = "6"
    & skf21("7","5","3","1","2","3","5","1") = "6"
    & skf21("7","5","3","1","2","3","6","1") = "6"
    & skf21("7","5","3","1","2","3","7","1") = "6"
    & skf21("7","5","3","1","2","4","1","1") = "6"
    & skf21("7","5","3","1","2","4","2","1") = "6"
    & skf21("7","5","3","1","2","4","3","1") = "6"
    & skf21("7","5","3","1","2","4","4","1") = "6"
    & skf21("7","5","3","1","2","4","5","1") = "6"
    & skf21("7","5","3","1","2","4","6","1") = "6"
    & skf21("7","5","3","1","2","4","7","1") = "6"
    & skf21("7","5","3","1","2","5","1","1") = "6"
    & skf21("7","5","3","1","2","5","2","1") = "6"
    & skf21("7","5","3","1","2","5","3","1") = "6"
    & skf21("7","5","3","1","2","5","4","1") = "6"
    & skf21("7","5","3","1","2","5","5","1") = "6"
    & skf21("7","5","3","1","2","5","6","1") = "6"
    & skf21("7","5","3","1","2","5","7","1") = "6"
    & skf21("7","5","3","1","2","6","1","1") = "6"
    & skf21("7","5","3","1","2","6","2","1") = "6"
    & skf21("7","5","3","1","2","6","3","1") = "6"
    & skf21("7","5","3","1","2","6","4","1") = "6"
    & skf21("7","5","3","1","2","6","5","1") = "6"
    & skf21("7","5","3","1","2","6","6","1") = "6"
    & skf21("7","5","3","1","2","6","7","1") = "6"
    & skf21("7","5","3","1","2","7","1","1") = "6"
    & skf21("7","5","3","1","2","7","2","1") = "6"
    & skf21("7","5","3","1","2","7","3","1") = "6"
    & skf21("7","5","3","1","2","7","4","1") = "6"
    & skf21("7","5","3","1","2","7","5","1") = "6"
    & skf21("7","5","3","1","2","7","6","1") = "6"
    & skf21("7","5","3","1","2","7","7","1") = "6"
    & skf21("7","5","3","1","3","1","1","1") = "6"
    & skf21("7","5","3","1","3","1","2","1") = "6"
    & skf21("7","5","3","1","3","1","3","1") = "6"
    & skf21("7","5","3","1","3","1","4","1") = "6"
    & skf21("7","5","3","1","3","1","5","1") = "6"
    & skf21("7","5","3","1","3","1","6","1") = "6"
    & skf21("7","5","3","1","3","1","7","1") = "6"
    & skf21("7","5","3","1","3","2","1","1") = "6"
    & skf21("7","5","3","1","3","2","2","1") = "6"
    & skf21("7","5","3","1","3","2","3","1") = "6"
    & skf21("7","5","3","1","3","2","4","1") = "6"
    & skf21("7","5","3","1","3","2","5","1") = "6"
    & skf21("7","5","3","1","3","2","6","1") = "6"
    & skf21("7","5","3","1","3","2","7","1") = "6"
    & skf21("7","5","3","1","3","3","1","1") = "6"
    & skf21("7","5","3","1","3","3","2","1") = "6"
    & skf21("7","5","3","1","3","3","3","1") = "6"
    & skf21("7","5","3","1","3","3","4","1") = "6"
    & skf21("7","5","3","1","3","3","5","1") = "6"
    & skf21("7","5","3","1","3","3","6","1") = "6"
    & skf21("7","5","3","1","3","3","7","1") = "6"
    & skf21("7","5","3","1","3","4","1","1") = "6"
    & skf21("7","5","3","1","3","4","2","1") = "6"
    & skf21("7","5","3","1","3","4","3","1") = "6"
    & skf21("7","5","3","1","3","4","4","1") = "6"
    & skf21("7","5","3","1","3","4","5","1") = "6"
    & skf21("7","5","3","1","3","4","6","1") = "6"
    & skf21("7","5","3","1","3","4","7","1") = "6"
    & skf21("7","5","3","1","3","5","1","1") = "6"
    & skf21("7","5","3","1","3","5","2","1") = "6"
    & skf21("7","5","3","1","3","5","3","1") = "6"
    & skf21("7","5","3","1","3","5","4","1") = "6"
    & skf21("7","5","3","1","3","5","5","1") = "6"
    & skf21("7","5","3","1","3","5","6","1") = "6"
    & skf21("7","5","3","1","3","5","7","1") = "6"
    & skf21("7","5","3","1","3","6","1","1") = "6"
    & skf21("7","5","3","1","3","6","2","1") = "6"
    & skf21("7","5","3","1","3","6","3","1") = "6"
    & skf21("7","5","3","1","3","6","4","1") = "6"
    & skf21("7","5","3","1","3","6","5","1") = "6"
    & skf21("7","5","3","1","3","6","6","1") = "6"
    & skf21("7","5","3","1","3","6","7","1") = "6"
    & skf21("7","5","3","1","3","7","1","1") = "6"
    & skf21("7","5","3","1","3","7","2","1") = "6"
    & skf21("7","5","3","1","3","7","3","1") = "6"
    & skf21("7","5","3","1","3","7","4","1") = "6"
    & skf21("7","5","3","1","3","7","5","1") = "6"
    & skf21("7","5","3","1","3","7","6","1") = "6"
    & skf21("7","5","3","1","3","7","7","1") = "6"
    & skf21("7","5","3","1","4","1","1","1") = "6"
    & skf21("7","5","3","1","4","1","2","1") = "6"
    & skf21("7","5","3","1","4","1","3","1") = "6"
    & skf21("7","5","3","1","4","1","4","1") = "6"
    & skf21("7","5","3","1","4","1","5","1") = "6"
    & skf21("7","5","3","1","4","1","6","1") = "6"
    & skf21("7","5","3","1","4","1","7","1") = "6"
    & skf21("7","5","3","1","4","2","1","1") = "6"
    & skf21("7","5","3","1","4","2","2","1") = "6"
    & skf21("7","5","3","1","4","2","3","1") = "6"
    & skf21("7","5","3","1","4","2","4","1") = "6"
    & skf21("7","5","3","1","4","2","5","1") = "6"
    & skf21("7","5","3","1","4","2","6","1") = "6"
    & skf21("7","5","3","1","4","2","7","1") = "6"
    & skf21("7","5","3","1","4","3","1","1") = "6"
    & skf21("7","5","3","1","4","3","2","1") = "6"
    & skf21("7","5","3","1","4","3","3","1") = "6"
    & skf21("7","5","3","1","4","3","4","1") = "6"
    & skf21("7","5","3","1","4","3","5","1") = "6"
    & skf21("7","5","3","1","4","3","6","1") = "6"
    & skf21("7","5","3","1","4","3","7","1") = "6"
    & skf21("7","5","3","1","4","4","1","1") = "6"
    & skf21("7","5","3","1","4","4","2","1") = "6"
    & skf21("7","5","3","1","4","4","3","1") = "6"
    & skf21("7","5","3","1","4","4","4","1") = "6"
    & skf21("7","5","3","1","4","4","5","1") = "6"
    & skf21("7","5","3","1","4","4","6","1") = "6"
    & skf21("7","5","3","1","4","4","7","1") = "6"
    & skf21("7","5","3","1","4","5","1","1") = "6"
    & skf21("7","5","3","1","4","5","2","1") = "6"
    & skf21("7","5","3","1","4","5","3","1") = "6"
    & skf21("7","5","3","1","4","5","4","1") = "6"
    & skf21("7","5","3","1","4","5","5","1") = "6"
    & skf21("7","5","3","1","4","5","6","1") = "6"
    & skf21("7","5","3","1","4","5","7","1") = "6"
    & skf21("7","5","3","1","4","6","1","1") = "6"
    & skf21("7","5","3","1","4","6","2","1") = "6"
    & skf21("7","5","3","1","4","6","3","1") = "6"
    & skf21("7","5","3","1","4","6","4","1") = "6"
    & skf21("7","5","3","1","4","6","5","1") = "6"
    & skf21("7","5","3","1","4","6","6","1") = "6"
    & skf21("7","5","3","1","4","6","7","1") = "6"
    & skf21("7","5","3","1","4","7","1","1") = "6"
    & skf21("7","5","3","1","4","7","2","1") = "6"
    & skf21("7","5","3","1","4","7","3","1") = "6"
    & skf21("7","5","3","1","4","7","4","1") = "6"
    & skf21("7","5","3","1","4","7","5","1") = "6"
    & skf21("7","5","3","1","4","7","6","1") = "6"
    & skf21("7","5","3","1","4","7","7","1") = "6"
    & skf21("7","5","3","1","5","1","1","1") = "6"
    & skf21("7","5","3","1","5","1","2","1") = "6"
    & skf21("7","5","3","1","5","1","3","1") = "6"
    & skf21("7","5","3","1","5","1","4","1") = "6"
    & skf21("7","5","3","1","5","1","5","1") = "6"
    & skf21("7","5","3","1","5","1","6","1") = "6"
    & skf21("7","5","3","1","5","1","7","1") = "6"
    & skf21("7","5","3","1","5","2","1","1") = "6"
    & skf21("7","5","3","1","5","2","2","1") = "6"
    & skf21("7","5","3","1","5","2","3","1") = "6"
    & skf21("7","5","3","1","5","2","4","1") = "6"
    & skf21("7","5","3","1","5","2","5","1") = "6"
    & skf21("7","5","3","1","5","2","6","1") = "6"
    & skf21("7","5","3","1","5","2","7","1") = "6"
    & skf21("7","5","3","1","5","3","1","1") = "6"
    & skf21("7","5","3","1","5","3","2","1") = "6"
    & skf21("7","5","3","1","5","3","3","1") = "6"
    & skf21("7","5","3","1","5","3","4","1") = "6"
    & skf21("7","5","3","1","5","3","5","1") = "6"
    & skf21("7","5","3","1","5","3","6","1") = "6"
    & skf21("7","5","3","1","5","3","7","1") = "6"
    & skf21("7","5","3","1","5","4","1","1") = "6"
    & skf21("7","5","3","1","5","4","2","1") = "6"
    & skf21("7","5","3","1","5","4","3","1") = "6"
    & skf21("7","5","3","1","5","4","4","1") = "6"
    & skf21("7","5","3","1","5","4","5","1") = "6"
    & skf21("7","5","3","1","5","4","6","1") = "6"
    & skf21("7","5","3","1","5","4","7","1") = "6"
    & skf21("7","5","3","1","5","5","1","1") = "6"
    & skf21("7","5","3","1","5","5","2","1") = "6"
    & skf21("7","5","3","1","5","5","3","1") = "6"
    & skf21("7","5","3","1","5","5","4","1") = "6"
    & skf21("7","5","3","1","5","5","5","1") = "6"
    & skf21("7","5","3","1","5","5","6","1") = "6"
    & skf21("7","5","3","1","5","5","7","1") = "6"
    & skf21("7","5","3","1","5","6","1","1") = "6"
    & skf21("7","5","3","1","5","6","2","1") = "6"
    & skf21("7","5","3","1","5","6","3","1") = "6"
    & skf21("7","5","3","1","5","6","4","1") = "6"
    & skf21("7","5","3","1","5","6","5","1") = "6"
    & skf21("7","5","3","1","5","6","6","1") = "6"
    & skf21("7","5","3","1","5","6","7","1") = "6"
    & skf21("7","5","3","1","5","7","1","1") = "6"
    & skf21("7","5","3","1","5","7","2","1") = "6"
    & skf21("7","5","3","1","5","7","3","1") = "6"
    & skf21("7","5","3","1","5","7","4","1") = "6"
    & skf21("7","5","3","1","5","7","5","1") = "6"
    & skf21("7","5","3","1","5","7","6","1") = "6"
    & skf21("7","5","3","1","5","7","7","1") = "6"
    & skf21("7","5","3","1","6","1","1","1") = "6"
    & skf21("7","5","3","1","6","1","2","1") = "6"
    & skf21("7","5","3","1","6","1","3","1") = "6"
    & skf21("7","5","3","1","6","1","4","1") = "6"
    & skf21("7","5","3","1","6","1","5","1") = "6"
    & skf21("7","5","3","1","6","1","6","1") = "6"
    & skf21("7","5","3","1","6","1","7","1") = "6"
    & skf21("7","5","3","1","6","2","1","1") = "6"
    & skf21("7","5","3","1","6","2","2","1") = "6"
    & skf21("7","5","3","1","6","2","3","1") = "6"
    & skf21("7","5","3","1","6","2","4","1") = "6"
    & skf21("7","5","3","1","6","2","5","1") = "6"
    & skf21("7","5","3","1","6","2","6","1") = "6"
    & skf21("7","5","3","1","6","2","7","1") = "6"
    & skf21("7","5","3","1","6","3","1","1") = "6"
    & skf21("7","5","3","1","6","3","2","1") = "6"
    & skf21("7","5","3","1","6","3","3","1") = "6"
    & skf21("7","5","3","1","6","3","4","1") = "6"
    & skf21("7","5","3","1","6","3","5","1") = "6"
    & skf21("7","5","3","1","6","3","6","1") = "6"
    & skf21("7","5","3","1","6","3","7","1") = "6"
    & skf21("7","5","3","1","6","4","1","1") = "6"
    & skf21("7","5","3","1","6","4","2","1") = "6"
    & skf21("7","5","3","1","6","4","3","1") = "6"
    & skf21("7","5","3","1","6","4","4","1") = "6"
    & skf21("7","5","3","1","6","4","5","1") = "6"
    & skf21("7","5","3","1","6","4","6","1") = "6"
    & skf21("7","5","3","1","6","4","7","1") = "6"
    & skf21("7","5","3","1","6","5","1","1") = "6"
    & skf21("7","5","3","1","6","5","2","1") = "6"
    & skf21("7","5","3","1","6","5","3","1") = "6"
    & skf21("7","5","3","1","6","5","4","1") = "6"
    & skf21("7","5","3","1","6","5","5","1") = "6"
    & skf21("7","5","3","1","6","5","6","1") = "6"
    & skf21("7","5","3","1","6","5","7","1") = "6"
    & skf21("7","5","3","1","6","6","1","1") = "6"
    & skf21("7","5","3","1","6","6","2","1") = "6"
    & skf21("7","5","3","1","6","6","3","1") = "6"
    & skf21("7","5","3","1","6","6","4","1") = "6"
    & skf21("7","5","3","1","6","6","5","1") = "6"
    & skf21("7","5","3","1","6","6","6","1") = "6"
    & skf21("7","5","3","1","6","6","7","1") = "6"
    & skf21("7","5","3","1","6","7","1","1") = "6"
    & skf21("7","5","3","1","6","7","2","1") = "6"
    & skf21("7","5","3","1","6","7","3","1") = "6"
    & skf21("7","5","3","1","6","7","4","1") = "6"
    & skf21("7","5","3","1","6","7","5","1") = "6"
    & skf21("7","5","3","1","6","7","6","1") = "6"
    & skf21("7","5","3","1","6","7","7","1") = "6"
    & skf21("7","5","3","1","7","1","1","1") = "6"
    & skf21("7","5","3","1","7","1","2","1") = "6"
    & skf21("7","5","3","1","7","1","3","1") = "6"
    & skf21("7","5","3","1","7","1","4","1") = "6"
    & skf21("7","5","3","1","7","1","5","1") = "6"
    & skf21("7","5","3","1","7","1","6","1") = "6"
    & skf21("7","5","3","1","7","1","7","1") = "6"
    & skf21("7","5","3","1","7","2","1","1") = "6"
    & skf21("7","5","3","1","7","2","2","1") = "6"
    & skf21("7","5","3","1","7","2","3","1") = "6"
    & skf21("7","5","3","1","7","2","4","1") = "6"
    & skf21("7","5","3","1","7","2","5","1") = "6"
    & skf21("7","5","3","1","7","2","6","1") = "6"
    & skf21("7","5","3","1","7","2","7","1") = "6"
    & skf21("7","5","3","1","7","3","1","1") = "6"
    & skf21("7","5","3","1","7","3","2","1") = "6"
    & skf21("7","5","3","1","7","3","3","1") = "6"
    & skf21("7","5","3","1","7","3","4","1") = "6"
    & skf21("7","5","3","1","7","3","5","1") = "6"
    & skf21("7","5","3","1","7","3","6","1") = "6"
    & skf21("7","5","3","1","7","3","7","1") = "6"
    & skf21("7","5","3","1","7","4","1","1") = "6"
    & skf21("7","5","3","1","7","4","2","1") = "6"
    & skf21("7","5","3","1","7","4","3","1") = "6"
    & skf21("7","5","3","1","7","4","4","1") = "6"
    & skf21("7","5","3","1","7","4","5","1") = "6"
    & skf21("7","5","3","1","7","4","6","1") = "6"
    & skf21("7","5","3","1","7","4","7","1") = "6"
    & skf21("7","5","3","1","7","5","1","1") = "6"
    & skf21("7","5","3","1","7","5","2","1") = "6"
    & skf21("7","5","3","1","7","5","3","1") = "6"
    & skf21("7","5","3","1","7","5","4","1") = "6"
    & skf21("7","5","3","1","7","5","5","1") = "6"
    & skf21("7","5","3","1","7","5","6","1") = "6"
    & skf21("7","5","3","1","7","5","7","1") = "6"
    & skf21("7","5","3","1","7","6","1","1") = "6"
    & skf21("7","5","3","1","7","6","2","1") = "6"
    & skf21("7","5","3","1","7","6","3","1") = "6"
    & skf21("7","5","3","1","7","6","4","1") = "6"
    & skf21("7","5","3","1","7","6","5","1") = "6"
    & skf21("7","5","3","1","7","6","6","1") = "6"
    & skf21("7","5","3","1","7","6","7","1") = "6"
    & skf21("7","5","3","1","7","7","1","1") = "6"
    & skf21("7","5","3","1","7","7","2","1") = "6"
    & skf21("7","5","3","1","7","7","3","1") = "6"
    & skf21("7","5","3","1","7","7","4","1") = "6"
    & skf21("7","5","3","1","7","7","5","1") = "6"
    & skf21("7","5","3","1","7","7","6","1") = "6"
    & skf21("7","5","3","1","7","7","7","1") = "6"
    & skf21("7","5","3","2","1","1","1","1") = "6"
    & skf21("7","5","3","2","1","1","2","1") = "6"
    & skf21("7","5","3","2","1","1","3","1") = "6"
    & skf21("7","5","3","2","1","1","4","1") = "6"
    & skf21("7","5","3","2","1","1","5","1") = "6"
    & skf21("7","5","3","2","1","1","6","1") = "6"
    & skf21("7","5","3","2","1","1","7","1") = "6"
    & skf21("7","5","3","2","1","2","1","1") = "6"
    & skf21("7","5","3","2","1","2","2","1") = "6"
    & skf21("7","5","3","2","1","2","3","1") = "6"
    & skf21("7","5","3","2","1","2","4","1") = "6"
    & skf21("7","5","3","2","1","2","5","1") = "6"
    & skf21("7","5","3","2","1","2","6","1") = "6"
    & skf21("7","5","3","2","1","2","7","1") = "6"
    & skf21("7","5","3","2","1","3","1","1") = "6"
    & skf21("7","5","3","2","1","3","2","1") = "6"
    & skf21("7","5","3","2","1","3","3","1") = "6"
    & skf21("7","5","3","2","1","3","4","1") = "6"
    & skf21("7","5","3","2","1","3","5","1") = "6"
    & skf21("7","5","3","2","1","3","6","1") = "6"
    & skf21("7","5","3","2","1","3","7","1") = "6"
    & skf21("7","5","3","2","1","4","1","1") = "6"
    & skf21("7","5","3","2","1","4","2","1") = "6"
    & skf21("7","5","3","2","1","4","3","1") = "6"
    & skf21("7","5","3","2","1","4","4","1") = "6"
    & skf21("7","5","3","2","1","4","5","1") = "6"
    & skf21("7","5","3","2","1","4","6","1") = "6"
    & skf21("7","5","3","2","1","4","7","1") = "6"
    & skf21("7","5","3","2","1","5","1","1") = "6"
    & skf21("7","5","3","2","1","5","2","1") = "6"
    & skf21("7","5","3","2","1","5","3","1") = "6"
    & skf21("7","5","3","2","1","5","4","1") = "6"
    & skf21("7","5","3","2","1","5","5","1") = "6"
    & skf21("7","5","3","2","1","5","6","1") = "6"
    & skf21("7","5","3","2","1","5","7","1") = "6"
    & skf21("7","5","3","2","1","6","1","1") = "6"
    & skf21("7","5","3","2","1","6","2","1") = "6"
    & skf21("7","5","3","2","1","6","3","1") = "6"
    & skf21("7","5","3","2","1","6","4","1") = "6"
    & skf21("7","5","3","2","1","6","5","1") = "6"
    & skf21("7","5","3","2","1","6","6","1") = "6"
    & skf21("7","5","3","2","1","6","7","1") = "6"
    & skf21("7","5","3","2","1","7","1","1") = "6"
    & skf21("7","5","3","2","1","7","2","1") = "6"
    & skf21("7","5","3","2","1","7","3","1") = "6"
    & skf21("7","5","3","2","1","7","4","1") = "6"
    & skf21("7","5","3","2","1","7","5","1") = "6"
    & skf21("7","5","3","2","1","7","6","1") = "6"
    & skf21("7","5","3","2","1","7","7","1") = "6"
    & skf21("7","5","3","2","2","1","1","1") = "6"
    & skf21("7","5","3","2","2","1","2","1") = "6"
    & skf21("7","5","3","2","2","1","3","1") = "6"
    & skf21("7","5","3","2","2","1","4","1") = "6"
    & skf21("7","5","3","2","2","1","5","1") = "6"
    & skf21("7","5","3","2","2","1","6","1") = "6"
    & skf21("7","5","3","2","2","1","7","1") = "6"
    & skf21("7","5","3","2","2","2","1","1") = "6"
    & skf21("7","5","3","2","2","2","2","1") = "6"
    & skf21("7","5","3","2","2","2","3","1") = "6"
    & skf21("7","5","3","2","2","2","4","1") = "6"
    & skf21("7","5","3","2","2","2","5","1") = "6"
    & skf21("7","5","3","2","2","2","6","1") = "6"
    & skf21("7","5","3","2","2","2","7","1") = "6"
    & skf21("7","5","3","2","2","3","1","1") = "6"
    & skf21("7","5","3","2","2","3","2","1") = "6"
    & skf21("7","5","3","2","2","3","3","1") = "6"
    & skf21("7","5","3","2","2","3","4","1") = "6"
    & skf21("7","5","3","2","2","3","5","1") = "6"
    & skf21("7","5","3","2","2","3","6","1") = "6"
    & skf21("7","5","3","2","2","3","7","1") = "6"
    & skf21("7","5","3","2","2","4","1","1") = "6"
    & skf21("7","5","3","2","2","4","2","1") = "6"
    & skf21("7","5","3","2","2","4","3","1") = "6"
    & skf21("7","5","3","2","2","4","4","1") = "6"
    & skf21("7","5","3","2","2","4","5","1") = "6"
    & skf21("7","5","3","2","2","4","6","1") = "6"
    & skf21("7","5","3","2","2","4","7","1") = "6"
    & skf21("7","5","3","2","2","5","1","1") = "6"
    & skf21("7","5","3","2","2","5","2","1") = "6"
    & skf21("7","5","3","2","2","5","3","1") = "6"
    & skf21("7","5","3","2","2","5","4","1") = "6"
    & skf21("7","5","3","2","2","5","5","1") = "6"
    & skf21("7","5","3","2","2","5","6","1") = "6"
    & skf21("7","5","3","2","2","5","7","1") = "6"
    & skf21("7","5","3","2","2","6","1","1") = "6"
    & skf21("7","5","3","2","2","6","2","1") = "6"
    & skf21("7","5","3","2","2","6","3","1") = "6"
    & skf21("7","5","3","2","2","6","4","1") = "6"
    & skf21("7","5","3","2","2","6","5","1") = "6"
    & skf21("7","5","3","2","2","6","6","1") = "6"
    & skf21("7","5","3","2","2","6","7","1") = "6"
    & skf21("7","5","3","2","2","7","1","1") = "6"
    & skf21("7","5","3","2","2","7","2","1") = "6"
    & skf21("7","5","3","2","2","7","3","1") = "6"
    & skf21("7","5","3","2","2","7","4","1") = "6"
    & skf21("7","5","3","2","2","7","5","1") = "6"
    & skf21("7","5","3","2","2","7","6","1") = "6"
    & skf21("7","5","3","2","2","7","7","1") = "6"
    & skf21("7","5","3","2","3","1","1","1") = "6"
    & skf21("7","5","3","2","3","1","2","1") = "6"
    & skf21("7","5","3","2","3","1","3","1") = "6"
    & skf21("7","5","3","2","3","1","4","1") = "6"
    & skf21("7","5","3","2","3","1","5","1") = "6"
    & skf21("7","5","3","2","3","1","6","1") = "6"
    & skf21("7","5","3","2","3","1","7","1") = "6"
    & skf21("7","5","3","2","3","2","1","1") = "6"
    & skf21("7","5","3","2","3","2","2","1") = "6"
    & skf21("7","5","3","2","3","2","3","1") = "6"
    & skf21("7","5","3","2","3","2","4","1") = "6"
    & skf21("7","5","3","2","3","2","5","1") = "6"
    & skf21("7","5","3","2","3","2","6","1") = "6"
    & skf21("7","5","3","2","3","2","7","1") = "6"
    & skf21("7","5","3","2","3","3","1","1") = "6"
    & skf21("7","5","3","2","3","3","2","1") = "6"
    & skf21("7","5","3","2","3","3","3","1") = "6"
    & skf21("7","5","3","2","3","3","4","1") = "6"
    & skf21("7","5","3","2","3","3","5","1") = "6"
    & skf21("7","5","3","2","3","3","6","1") = "6"
    & skf21("7","5","3","2","3","3","7","1") = "6"
    & skf21("7","5","3","2","3","4","1","1") = "6"
    & skf21("7","5","3","2","3","4","2","1") = "6"
    & skf21("7","5","3","2","3","4","3","1") = "6"
    & skf21("7","5","3","2","3","4","4","1") = "6"
    & skf21("7","5","3","2","3","4","5","1") = "6"
    & skf21("7","5","3","2","3","4","6","1") = "6"
    & skf21("7","5","3","2","3","4","7","1") = "6"
    & skf21("7","5","3","2","3","5","1","1") = "6"
    & skf21("7","5","3","2","3","5","2","1") = "6"
    & skf21("7","5","3","2","3","5","3","1") = "6"
    & skf21("7","5","3","2","3","5","4","1") = "6"
    & skf21("7","5","3","2","3","5","5","1") = "6"
    & skf21("7","5","3","2","3","5","6","1") = "6"
    & skf21("7","5","3","2","3","5","7","1") = "6"
    & skf21("7","5","3","2","3","6","1","1") = "6"
    & skf21("7","5","3","2","3","6","2","1") = "6"
    & skf21("7","5","3","2","3","6","3","1") = "6"
    & skf21("7","5","3","2","3","6","4","1") = "6"
    & skf21("7","5","3","2","3","6","5","1") = "6"
    & skf21("7","5","3","2","3","6","6","1") = "6"
    & skf21("7","5","3","2","3","6","7","1") = "6"
    & skf21("7","5","3","2","3","7","1","1") = "6"
    & skf21("7","5","3","2","3","7","2","1") = "6"
    & skf21("7","5","3","2","3","7","3","1") = "6"
    & skf21("7","5","3","2","3","7","4","1") = "6"
    & skf21("7","5","3","2","3","7","5","1") = "6"
    & skf21("7","5","3","2","3","7","6","1") = "6"
    & skf21("7","5","3","2","3","7","7","1") = "6"
    & skf21("7","5","3","2","4","1","1","1") = "6"
    & skf21("7","5","3","2","4","1","2","1") = "6"
    & skf21("7","5","3","2","4","1","3","1") = "6"
    & skf21("7","5","3","2","4","1","4","1") = "6"
    & skf21("7","5","3","2","4","1","5","1") = "6"
    & skf21("7","5","3","2","4","1","6","1") = "6"
    & skf21("7","5","3","2","4","1","7","1") = "6"
    & skf21("7","5","3","2","4","2","1","1") = "6"
    & skf21("7","5","3","2","4","2","2","1") = "6"
    & skf21("7","5","3","2","4","2","3","1") = "6"
    & skf21("7","5","3","2","4","2","4","1") = "6"
    & skf21("7","5","3","2","4","2","5","1") = "6"
    & skf21("7","5","3","2","4","2","6","1") = "6"
    & skf21("7","5","3","2","4","2","7","1") = "6"
    & skf21("7","5","3","2","4","3","1","1") = "6"
    & skf21("7","5","3","2","4","3","2","1") = "6"
    & skf21("7","5","3","2","4","3","3","1") = "6"
    & skf21("7","5","3","2","4","3","4","1") = "6"
    & skf21("7","5","3","2","4","3","5","1") = "6"
    & skf21("7","5","3","2","4","3","6","1") = "6"
    & skf21("7","5","3","2","4","3","7","1") = "6"
    & skf21("7","5","3","2","4","4","1","1") = "6"
    & skf21("7","5","3","2","4","4","2","1") = "6"
    & skf21("7","5","3","2","4","4","3","1") = "6"
    & skf21("7","5","3","2","4","4","4","1") = "6"
    & skf21("7","5","3","2","4","4","5","1") = "6"
    & skf21("7","5","3","2","4","4","6","1") = "6"
    & skf21("7","5","3","2","4","4","7","1") = "6"
    & skf21("7","5","3","2","4","5","1","1") = "6"
    & skf21("7","5","3","2","4","5","2","1") = "6"
    & skf21("7","5","3","2","4","5","3","1") = "6"
    & skf21("7","5","3","2","4","5","4","1") = "6"
    & skf21("7","5","3","2","4","5","5","1") = "6"
    & skf21("7","5","3","2","4","5","6","1") = "6"
    & skf21("7","5","3","2","4","5","7","1") = "6"
    & skf21("7","5","3","2","4","6","1","1") = "6"
    & skf21("7","5","3","2","4","6","2","1") = "6"
    & skf21("7","5","3","2","4","6","3","1") = "6"
    & skf21("7","5","3","2","4","6","4","1") = "6"
    & skf21("7","5","3","2","4","6","5","1") = "6"
    & skf21("7","5","3","2","4","6","6","1") = "6"
    & skf21("7","5","3","2","4","6","7","1") = "6"
    & skf21("7","5","3","2","4","7","1","1") = "6"
    & skf21("7","5","3","2","4","7","2","1") = "6"
    & skf21("7","5","3","2","4","7","3","1") = "6"
    & skf21("7","5","3","2","4","7","4","1") = "6"
    & skf21("7","5","3","2","4","7","5","1") = "6"
    & skf21("7","5","3","2","4","7","6","1") = "6"
    & skf21("7","5","3","2","4","7","7","1") = "6"
    & skf21("7","5","3","2","5","1","1","1") = "6"
    & skf21("7","5","3","2","5","1","2","1") = "6"
    & skf21("7","5","3","2","5","1","3","1") = "6"
    & skf21("7","5","3","2","5","1","4","1") = "6"
    & skf21("7","5","3","2","5","1","5","1") = "6"
    & skf21("7","5","3","2","5","1","6","1") = "6"
    & skf21("7","5","3","2","5","1","7","1") = "6"
    & skf21("7","5","3","2","5","2","1","1") = "6"
    & skf21("7","5","3","2","5","2","2","1") = "6"
    & skf21("7","5","3","2","5","2","3","1") = "6"
    & skf21("7","5","3","2","5","2","4","1") = "6"
    & skf21("7","5","3","2","5","2","5","1") = "6"
    & skf21("7","5","3","2","5","2","6","1") = "6"
    & skf21("7","5","3","2","5","2","7","1") = "6"
    & skf21("7","5","3","2","5","3","1","1") = "6"
    & skf21("7","5","3","2","5","3","2","1") = "6"
    & skf21("7","5","3","2","5","3","3","1") = "6"
    & skf21("7","5","3","2","5","3","4","1") = "6"
    & skf21("7","5","3","2","5","3","5","1") = "6"
    & skf21("7","5","3","2","5","3","6","1") = "6"
    & skf21("7","5","3","2","5","3","7","1") = "6"
    & skf21("7","5","3","2","5","4","1","1") = "6"
    & skf21("7","5","3","2","5","4","2","1") = "6"
    & skf21("7","5","3","2","5","4","3","1") = "6"
    & skf21("7","5","3","2","5","4","4","1") = "6"
    & skf21("7","5","3","2","5","4","5","1") = "6"
    & skf21("7","5","3","2","5","4","6","1") = "6"
    & skf21("7","5","3","2","5","4","7","1") = "6"
    & skf21("7","5","3","2","5","5","1","1") = "6"
    & skf21("7","5","3","2","5","5","2","1") = "6"
    & skf21("7","5","3","2","5","5","3","1") = "6"
    & skf21("7","5","3","2","5","5","4","1") = "6"
    & skf21("7","5","3","2","5","5","5","1") = "6"
    & skf21("7","5","3","2","5","5","6","1") = "6"
    & skf21("7","5","3","2","5","5","7","1") = "6"
    & skf21("7","5","3","2","5","6","1","1") = "6"
    & skf21("7","5","3","2","5","6","2","1") = "6"
    & skf21("7","5","3","2","5","6","3","1") = "6"
    & skf21("7","5","3","2","5","6","4","1") = "6"
    & skf21("7","5","3","2","5","6","5","1") = "6"
    & skf21("7","5","3","2","5","6","6","1") = "6"
    & skf21("7","5","3","2","5","6","7","1") = "6"
    & skf21("7","5","3","2","5","7","1","1") = "6"
    & skf21("7","5","3","2","5","7","2","1") = "6"
    & skf21("7","5","3","2","5","7","3","1") = "6"
    & skf21("7","5","3","2","5","7","4","1") = "6"
    & skf21("7","5","3","2","5","7","5","1") = "6"
    & skf21("7","5","3","2","5","7","6","1") = "6"
    & skf21("7","5","3","2","5","7","7","1") = "6"
    & skf21("7","5","3","2","6","1","1","1") = "6"
    & skf21("7","5","3","2","6","1","2","1") = "6"
    & skf21("7","5","3","2","6","1","3","1") = "6"
    & skf21("7","5","3","2","6","1","4","1") = "6"
    & skf21("7","5","3","2","6","1","5","1") = "6"
    & skf21("7","5","3","2","6","1","6","1") = "6"
    & skf21("7","5","3","2","6","1","7","1") = "6"
    & skf21("7","5","3","2","6","2","1","1") = "6"
    & skf21("7","5","3","2","6","2","2","1") = "6"
    & skf21("7","5","3","2","6","2","3","1") = "6"
    & skf21("7","5","3","2","6","2","4","1") = "6"
    & skf21("7","5","3","2","6","2","5","1") = "6"
    & skf21("7","5","3","2","6","2","6","1") = "6"
    & skf21("7","5","3","2","6","2","7","1") = "6"
    & skf21("7","5","3","2","6","3","1","1") = "6"
    & skf21("7","5","3","2","6","3","2","1") = "6"
    & skf21("7","5","3","2","6","3","3","1") = "6"
    & skf21("7","5","3","2","6","3","4","1") = "6"
    & skf21("7","5","3","2","6","3","5","1") = "6"
    & skf21("7","5","3","2","6","3","6","1") = "6"
    & skf21("7","5","3","2","6","3","7","1") = "6"
    & skf21("7","5","3","2","6","4","1","1") = "6"
    & skf21("7","5","3","2","6","4","2","1") = "6"
    & skf21("7","5","3","2","6","4","3","1") = "6"
    & skf21("7","5","3","2","6","4","4","1") = "6"
    & skf21("7","5","3","2","6","4","5","1") = "6"
    & skf21("7","5","3","2","6","4","6","1") = "6"
    & skf21("7","5","3","2","6","4","7","1") = "6"
    & skf21("7","5","3","2","6","5","1","1") = "6"
    & skf21("7","5","3","2","6","5","2","1") = "6"
    & skf21("7","5","3","2","6","5","3","1") = "6"
    & skf21("7","5","3","2","6","5","4","1") = "6"
    & skf21("7","5","3","2","6","5","5","1") = "6"
    & skf21("7","5","3","2","6","5","6","1") = "6"
    & skf21("7","5","3","2","6","5","7","1") = "6"
    & skf21("7","5","3","2","6","6","1","1") = "6"
    & skf21("7","5","3","2","6","6","2","1") = "6"
    & skf21("7","5","3","2","6","6","3","1") = "6"
    & skf21("7","5","3","2","6","6","4","1") = "6"
    & skf21("7","5","3","2","6","6","5","1") = "6"
    & skf21("7","5","3","2","6","6","6","1") = "6"
    & skf21("7","5","3","2","6","6","7","1") = "6"
    & skf21("7","5","3","2","6","7","1","1") = "6"
    & skf21("7","5","3","2","6","7","2","1") = "6"
    & skf21("7","5","3","2","6","7","3","1") = "6"
    & skf21("7","5","3","2","6","7","4","1") = "6"
    & skf21("7","5","3","2","6","7","5","1") = "6"
    & skf21("7","5","3","2","6","7","6","1") = "6"
    & skf21("7","5","3","2","6","7","7","1") = "6"
    & skf21("7","5","3","2","7","1","1","1") = "6"
    & skf21("7","5","3","2","7","1","2","1") = "6"
    & skf21("7","5","3","2","7","1","3","1") = "6"
    & skf21("7","5","3","2","7","1","4","1") = "6"
    & skf21("7","5","3","2","7","1","5","1") = "6"
    & skf21("7","5","3","2","7","1","6","1") = "6"
    & skf21("7","5","3","2","7","1","7","1") = "6"
    & skf21("7","5","3","2","7","2","1","1") = "6"
    & skf21("7","5","3","2","7","2","2","1") = "6"
    & skf21("7","5","3","2","7","2","3","1") = "6"
    & skf21("7","5","3","2","7","2","4","1") = "6"
    & skf21("7","5","3","2","7","2","5","1") = "6"
    & skf21("7","5","3","2","7","2","6","1") = "6"
    & skf21("7","5","3","2","7","2","7","1") = "6"
    & skf21("7","5","3","2","7","3","1","1") = "6"
    & skf21("7","5","3","2","7","3","2","1") = "6"
    & skf21("7","5","3","2","7","3","3","1") = "6"
    & skf21("7","5","3","2","7","3","4","1") = "6"
    & skf21("7","5","3","2","7","3","5","1") = "6"
    & skf21("7","5","3","2","7","3","6","1") = "6"
    & skf21("7","5","3","2","7","3","7","1") = "6"
    & skf21("7","5","3","2","7","4","1","1") = "6"
    & skf21("7","5","3","2","7","4","2","1") = "6"
    & skf21("7","5","3","2","7","4","3","1") = "6"
    & skf21("7","5","3","2","7","4","4","1") = "6"
    & skf21("7","5","3","2","7","4","5","1") = "6"
    & skf21("7","5","3","2","7","4","6","1") = "6"
    & skf21("7","5","3","2","7","4","7","1") = "6"
    & skf21("7","5","3","2","7","5","1","1") = "6"
    & skf21("7","5","3","2","7","5","2","1") = "6"
    & skf21("7","5","3","2","7","5","3","1") = "6"
    & skf21("7","5","3","2","7","5","4","1") = "6"
    & skf21("7","5","3","2","7","5","5","1") = "6"
    & skf21("7","5","3","2","7","5","6","1") = "6"
    & skf21("7","5","3","2","7","5","7","1") = "6"
    & skf21("7","5","3","2","7","6","1","1") = "6"
    & skf21("7","5","3","2","7","6","2","1") = "6"
    & skf21("7","5","3","2","7","6","3","1") = "6"
    & skf21("7","5","3","2","7","6","4","1") = "6"
    & skf21("7","5","3","2","7","6","5","1") = "6"
    & skf21("7","5","3","2","7","6","6","1") = "6"
    & skf21("7","5","3","2","7","6","7","1") = "6"
    & skf21("7","5","3","2","7","7","1","1") = "6"
    & skf21("7","5","3","2","7","7","2","1") = "6"
    & skf21("7","5","3","2","7","7","3","1") = "6"
    & skf21("7","5","3","2","7","7","4","1") = "6"
    & skf21("7","5","3","2","7","7","5","1") = "6"
    & skf21("7","5","3","2","7","7","6","1") = "6"
    & skf21("7","5","3","2","7","7","7","1") = "6"
    & skf21("7","5","3","3","1","1","1","1") = "6"
    & skf21("7","5","3","3","1","1","2","1") = "6"
    & skf21("7","5","3","3","1","1","3","1") = "6"
    & skf21("7","5","3","3","1","1","4","1") = "6"
    & skf21("7","5","3","3","1","1","5","1") = "6"
    & skf21("7","5","3","3","1","1","6","1") = "6"
    & skf21("7","5","3","3","1","1","7","1") = "6"
    & skf21("7","5","3","3","1","2","1","1") = "6"
    & skf21("7","5","3","3","1","2","2","1") = "6"
    & skf21("7","5","3","3","1","2","3","1") = "6"
    & skf21("7","5","3","3","1","2","4","1") = "6"
    & skf21("7","5","3","3","1","2","5","1") = "6"
    & skf21("7","5","3","3","1","2","6","1") = "6"
    & skf21("7","5","3","3","1","2","7","1") = "6"
    & skf21("7","5","3","3","1","3","1","1") = "6"
    & skf21("7","5","3","3","1","3","2","1") = "6"
    & skf21("7","5","3","3","1","3","3","1") = "6"
    & skf21("7","5","3","3","1","3","4","1") = "6"
    & skf21("7","5","3","3","1","3","5","1") = "6"
    & skf21("7","5","3","3","1","3","6","1") = "6"
    & skf21("7","5","3","3","1","3","7","1") = "6"
    & skf21("7","5","3","3","1","4","1","1") = "6"
    & skf21("7","5","3","3","1","4","2","1") = "6"
    & skf21("7","5","3","3","1","4","3","1") = "6"
    & skf21("7","5","3","3","1","4","4","1") = "6"
    & skf21("7","5","3","3","1","4","5","1") = "6"
    & skf21("7","5","3","3","1","4","6","1") = "6"
    & skf21("7","5","3","3","1","4","7","1") = "6"
    & skf21("7","5","3","3","1","5","1","1") = "6"
    & skf21("7","5","3","3","1","5","2","1") = "6"
    & skf21("7","5","3","3","1","5","3","1") = "6"
    & skf21("7","5","3","3","1","5","4","1") = "6"
    & skf21("7","5","3","3","1","5","5","1") = "6"
    & skf21("7","5","3","3","1","5","6","1") = "6"
    & skf21("7","5","3","3","1","5","7","1") = "6"
    & skf21("7","5","3","3","1","6","1","1") = "6"
    & skf21("7","5","3","3","1","6","2","1") = "6"
    & skf21("7","5","3","3","1","6","3","1") = "6"
    & skf21("7","5","3","3","1","6","4","1") = "6"
    & skf21("7","5","3","3","1","6","5","1") = "6"
    & skf21("7","5","3","3","1","6","6","1") = "6"
    & skf21("7","5","3","3","1","6","7","1") = "6"
    & skf21("7","5","3","3","1","7","1","1") = "6"
    & skf21("7","5","3","3","1","7","2","1") = "6"
    & skf21("7","5","3","3","1","7","3","1") = "6"
    & skf21("7","5","3","3","1","7","4","1") = "6"
    & skf21("7","5","3","3","1","7","5","1") = "6"
    & skf21("7","5","3","3","1","7","6","1") = "6"
    & skf21("7","5","3","3","1","7","7","1") = "6"
    & skf21("7","5","3","3","2","1","1","1") = "6"
    & skf21("7","5","3","3","2","1","2","1") = "6"
    & skf21("7","5","3","3","2","1","3","1") = "6"
    & skf21("7","5","3","3","2","1","4","1") = "6"
    & skf21("7","5","3","3","2","1","5","1") = "6"
    & skf21("7","5","3","3","2","1","6","1") = "6"
    & skf21("7","5","3","3","2","1","7","1") = "6"
    & skf21("7","5","3","3","2","2","1","1") = "6"
    & skf21("7","5","3","3","2","2","2","1") = "6"
    & skf21("7","5","3","3","2","2","3","1") = "6"
    & skf21("7","5","3","3","2","2","4","1") = "6"
    & skf21("7","5","3","3","2","2","5","1") = "6"
    & skf21("7","5","3","3","2","2","6","1") = "6"
    & skf21("7","5","3","3","2","2","7","1") = "6"
    & skf21("7","5","3","3","2","3","1","1") = "6"
    & skf21("7","5","3","3","2","3","2","1") = "6"
    & skf21("7","5","3","3","2","3","3","1") = "6"
    & skf21("7","5","3","3","2","3","4","1") = "6"
    & skf21("7","5","3","3","2","3","5","1") = "6"
    & skf21("7","5","3","3","2","3","6","1") = "6"
    & skf21("7","5","3","3","2","3","7","1") = "6"
    & skf21("7","5","3","3","2","4","1","1") = "6"
    & skf21("7","5","3","3","2","4","2","1") = "6"
    & skf21("7","5","3","3","2","4","3","1") = "6"
    & skf21("7","5","3","3","2","4","4","1") = "6"
    & skf21("7","5","3","3","2","4","5","1") = "6"
    & skf21("7","5","3","3","2","4","6","1") = "6"
    & skf21("7","5","3","3","2","4","7","1") = "6"
    & skf21("7","5","3","3","2","5","1","1") = "6"
    & skf21("7","5","3","3","2","5","2","1") = "6"
    & skf21("7","5","3","3","2","5","3","1") = "6"
    & skf21("7","5","3","3","2","5","4","1") = "6"
    & skf21("7","5","3","3","2","5","5","1") = "6"
    & skf21("7","5","3","3","2","5","6","1") = "6"
    & skf21("7","5","3","3","2","5","7","1") = "6"
    & skf21("7","5","3","3","2","6","1","1") = "6"
    & skf21("7","5","3","3","2","6","2","1") = "6"
    & skf21("7","5","3","3","2","6","3","1") = "6"
    & skf21("7","5","3","3","2","6","4","1") = "6"
    & skf21("7","5","3","3","2","6","5","1") = "6"
    & skf21("7","5","3","3","2","6","6","1") = "6"
    & skf21("7","5","3","3","2","6","7","1") = "6"
    & skf21("7","5","3","3","2","7","1","1") = "6"
    & skf21("7","5","3","3","2","7","2","1") = "6"
    & skf21("7","5","3","3","2","7","3","1") = "6"
    & skf21("7","5","3","3","2","7","4","1") = "6"
    & skf21("7","5","3","3","2","7","5","1") = "6"
    & skf21("7","5","3","3","2","7","6","1") = "6"
    & skf21("7","5","3","3","2","7","7","1") = "6"
    & skf21("7","5","3","3","3","1","1","1") = "6"
    & skf21("7","5","3","3","3","1","2","1") = "6"
    & skf21("7","5","3","3","3","1","3","1") = "6"
    & skf21("7","5","3","3","3","1","4","1") = "6"
    & skf21("7","5","3","3","3","1","5","1") = "6"
    & skf21("7","5","3","3","3","1","6","1") = "6"
    & skf21("7","5","3","3","3","1","7","1") = "6"
    & skf21("7","5","3","3","3","2","1","1") = "6"
    & skf21("7","5","3","3","3","2","2","1") = "6"
    & skf21("7","5","3","3","3","2","3","1") = "6"
    & skf21("7","5","3","3","3","2","4","1") = "6"
    & skf21("7","5","3","3","3","2","5","1") = "6"
    & skf21("7","5","3","3","3","2","6","1") = "6"
    & skf21("7","5","3","3","3","2","7","1") = "6"
    & skf21("7","5","3","3","3","3","1","1") = "6"
    & skf21("7","5","3","3","3","3","2","1") = "6"
    & skf21("7","5","3","3","3","3","3","1") = "6"
    & skf21("7","5","3","3","3","3","4","1") = "6"
    & skf21("7","5","3","3","3","3","5","1") = "6"
    & skf21("7","5","3","3","3","3","6","1") = "6"
    & skf21("7","5","3","3","3","3","7","1") = "6"
    & skf21("7","5","3","3","3","4","1","1") = "6"
    & skf21("7","5","3","3","3","4","2","1") = "6"
    & skf21("7","5","3","3","3","4","3","1") = "6"
    & skf21("7","5","3","3","3","4","4","1") = "6"
    & skf21("7","5","3","3","3","4","5","1") = "6"
    & skf21("7","5","3","3","3","4","6","1") = "6"
    & skf21("7","5","3","3","3","4","7","1") = "6"
    & skf21("7","5","3","3","3","5","1","1") = "6"
    & skf21("7","5","3","3","3","5","2","1") = "6"
    & skf21("7","5","3","3","3","5","3","1") = "6"
    & skf21("7","5","3","3","3","5","4","1") = "6"
    & skf21("7","5","3","3","3","5","5","1") = "6"
    & skf21("7","5","3","3","3","5","6","1") = "6"
    & skf21("7","5","3","3","3","5","7","1") = "6"
    & skf21("7","5","3","3","3","6","1","1") = "6"
    & skf21("7","5","3","3","3","6","2","1") = "6"
    & skf21("7","5","3","3","3","6","3","1") = "6"
    & skf21("7","5","3","3","3","6","4","1") = "6"
    & skf21("7","5","3","3","3","6","5","1") = "6"
    & skf21("7","5","3","3","3","6","6","1") = "6"
    & skf21("7","5","3","3","3","6","7","1") = "6"
    & skf21("7","5","3","3","3","7","1","1") = "6"
    & skf21("7","5","3","3","3","7","2","1") = "6"
    & skf21("7","5","3","3","3","7","3","1") = "6"
    & skf21("7","5","3","3","3","7","4","1") = "6"
    & skf21("7","5","3","3","3","7","5","1") = "6"
    & skf21("7","5","3","3","3","7","6","1") = "6"
    & skf21("7","5","3","3","3","7","7","1") = "6"
    & skf21("7","5","3","3","4","1","1","1") = "6"
    & skf21("7","5","3","3","4","1","2","1") = "6"
    & skf21("7","5","3","3","4","1","3","1") = "6"
    & skf21("7","5","3","3","4","1","4","1") = "6"
    & skf21("7","5","3","3","4","1","5","1") = "6"
    & skf21("7","5","3","3","4","1","6","1") = "6"
    & skf21("7","5","3","3","4","1","7","1") = "6"
    & skf21("7","5","3","3","4","2","1","1") = "6"
    & skf21("7","5","3","3","4","2","2","1") = "6"
    & skf21("7","5","3","3","4","2","3","1") = "6"
    & skf21("7","5","3","3","4","2","4","1") = "6"
    & skf21("7","5","3","3","4","2","5","1") = "6"
    & skf21("7","5","3","3","4","2","6","1") = "6"
    & skf21("7","5","3","3","4","2","7","1") = "6"
    & skf21("7","5","3","3","4","3","1","1") = "6"
    & skf21("7","5","3","3","4","3","2","1") = "6"
    & skf21("7","5","3","3","4","3","3","1") = "6"
    & skf21("7","5","3","3","4","3","4","1") = "6"
    & skf21("7","5","3","3","4","3","5","1") = "6"
    & skf21("7","5","3","3","4","3","6","1") = "6"
    & skf21("7","5","3","3","4","3","7","1") = "6"
    & skf21("7","5","3","3","4","4","1","1") = "6"
    & skf21("7","5","3","3","4","4","2","1") = "6"
    & skf21("7","5","3","3","4","4","3","1") = "6"
    & skf21("7","5","3","3","4","4","4","1") = "6"
    & skf21("7","5","3","3","4","4","5","1") = "6"
    & skf21("7","5","3","3","4","4","6","1") = "6"
    & skf21("7","5","3","3","4","4","7","1") = "6"
    & skf21("7","5","3","3","4","5","1","1") = "6"
    & skf21("7","5","3","3","4","5","2","1") = "6"
    & skf21("7","5","3","3","4","5","3","1") = "6"
    & skf21("7","5","3","3","4","5","4","1") = "6"
    & skf21("7","5","3","3","4","5","5","1") = "6"
    & skf21("7","5","3","3","4","5","6","1") = "6"
    & skf21("7","5","3","3","4","5","7","1") = "6"
    & skf21("7","5","3","3","4","6","1","1") = "6"
    & skf21("7","5","3","3","4","6","2","1") = "6"
    & skf21("7","5","3","3","4","6","3","1") = "6"
    & skf21("7","5","3","3","4","6","4","1") = "6"
    & skf21("7","5","3","3","4","6","5","1") = "6"
    & skf21("7","5","3","3","4","6","6","1") = "6"
    & skf21("7","5","3","3","4","6","7","1") = "6"
    & skf21("7","5","3","3","4","7","1","1") = "6"
    & skf21("7","5","3","3","4","7","2","1") = "6"
    & skf21("7","5","3","3","4","7","3","1") = "6"
    & skf21("7","5","3","3","4","7","4","1") = "6"
    & skf21("7","5","3","3","4","7","5","1") = "6"
    & skf21("7","5","3","3","4","7","6","1") = "6"
    & skf21("7","5","3","3","4","7","7","1") = "6"
    & skf21("7","5","3","3","5","1","1","1") = "6"
    & skf21("7","5","3","3","5","1","2","1") = "6"
    & skf21("7","5","3","3","5","1","3","1") = "6"
    & skf21("7","5","3","3","5","1","4","1") = "6"
    & skf21("7","5","3","3","5","1","5","1") = "6"
    & skf21("7","5","3","3","5","1","6","1") = "6"
    & skf21("7","5","3","3","5","1","7","1") = "6"
    & skf21("7","5","3","3","5","2","1","1") = "6"
    & skf21("7","5","3","3","5","2","2","1") = "6"
    & skf21("7","5","3","3","5","2","3","1") = "6"
    & skf21("7","5","3","3","5","2","4","1") = "6"
    & skf21("7","5","3","3","5","2","5","1") = "6"
    & skf21("7","5","3","3","5","2","6","1") = "6"
    & skf21("7","5","3","3","5","2","7","1") = "6"
    & skf21("7","5","3","3","5","3","1","1") = "6"
    & skf21("7","5","3","3","5","3","2","1") = "6"
    & skf21("7","5","3","3","5","3","3","1") = "6"
    & skf21("7","5","3","3","5","3","4","1") = "6"
    & skf21("7","5","3","3","5","3","5","1") = "6"
    & skf21("7","5","3","3","5","3","6","1") = "6"
    & skf21("7","5","3","3","5","3","7","1") = "6"
    & skf21("7","5","3","3","5","4","1","1") = "6"
    & skf21("7","5","3","3","5","4","2","1") = "6"
    & skf21("7","5","3","3","5","4","3","1") = "6"
    & skf21("7","5","3","3","5","4","4","1") = "6"
    & skf21("7","5","3","3","5","4","5","1") = "6"
    & skf21("7","5","3","3","5","4","6","1") = "6"
    & skf21("7","5","3","3","5","4","7","1") = "6"
    & skf21("7","5","3","3","5","5","1","1") = "6"
    & skf21("7","5","3","3","5","5","2","1") = "6"
    & skf21("7","5","3","3","5","5","3","1") = "6"
    & skf21("7","5","3","3","5","5","4","1") = "6"
    & skf21("7","5","3","3","5","5","5","1") = "6"
    & skf21("7","5","3","3","5","5","6","1") = "6"
    & skf21("7","5","3","3","5","5","7","1") = "6"
    & skf21("7","5","3","3","5","6","1","1") = "6"
    & skf21("7","5","3","3","5","6","2","1") = "6"
    & skf21("7","5","3","3","5","6","3","1") = "6"
    & skf21("7","5","3","3","5","6","4","1") = "6"
    & skf21("7","5","3","3","5","6","5","1") = "6"
    & skf21("7","5","3","3","5","6","6","1") = "6"
    & skf21("7","5","3","3","5","6","7","1") = "6"
    & skf21("7","5","3","3","5","7","1","1") = "6"
    & skf21("7","5","3","3","5","7","2","1") = "6"
    & skf21("7","5","3","3","5","7","3","1") = "6"
    & skf21("7","5","3","3","5","7","4","1") = "6"
    & skf21("7","5","3","3","5","7","5","1") = "6"
    & skf21("7","5","3","3","5","7","6","1") = "6"
    & skf21("7","5","3","3","5","7","7","1") = "6"
    & skf21("7","5","3","3","6","1","1","1") = "6"
    & skf21("7","5","3","3","6","1","2","1") = "6"
    & skf21("7","5","3","3","6","1","3","1") = "6"
    & skf21("7","5","3","3","6","1","4","1") = "6"
    & skf21("7","5","3","3","6","1","5","1") = "6"
    & skf21("7","5","3","3","6","1","6","1") = "6"
    & skf21("7","5","3","3","6","1","7","1") = "6"
    & skf21("7","5","3","3","6","2","1","1") = "6"
    & skf21("7","5","3","3","6","2","2","1") = "6"
    & skf21("7","5","3","3","6","2","3","1") = "6"
    & skf21("7","5","3","3","6","2","4","1") = "6"
    & skf21("7","5","3","3","6","2","5","1") = "6"
    & skf21("7","5","3","3","6","2","6","1") = "6"
    & skf21("7","5","3","3","6","2","7","1") = "6"
    & skf21("7","5","3","3","6","3","1","1") = "6"
    & skf21("7","5","3","3","6","3","2","1") = "6"
    & skf21("7","5","3","3","6","3","3","1") = "6"
    & skf21("7","5","3","3","6","3","4","1") = "6"
    & skf21("7","5","3","3","6","3","5","1") = "6"
    & skf21("7","5","3","3","6","3","6","1") = "6"
    & skf21("7","5","3","3","6","3","7","1") = "6"
    & skf21("7","5","3","3","6","4","1","1") = "6"
    & skf21("7","5","3","3","6","4","2","1") = "6"
    & skf21("7","5","3","3","6","4","3","1") = "6"
    & skf21("7","5","3","3","6","4","4","1") = "6"
    & skf21("7","5","3","3","6","4","5","1") = "6"
    & skf21("7","5","3","3","6","4","6","1") = "6"
    & skf21("7","5","3","3","6","4","7","1") = "6"
    & skf21("7","5","3","3","6","5","1","1") = "6"
    & skf21("7","5","3","3","6","5","2","1") = "6"
    & skf21("7","5","3","3","6","5","3","1") = "6"
    & skf21("7","5","3","3","6","5","4","1") = "6"
    & skf21("7","5","3","3","6","5","5","1") = "6"
    & skf21("7","5","3","3","6","5","6","1") = "6"
    & skf21("7","5","3","3","6","5","7","1") = "6"
    & skf21("7","5","3","3","6","6","1","1") = "6"
    & skf21("7","5","3","3","6","6","2","1") = "6"
    & skf21("7","5","3","3","6","6","3","1") = "6"
    & skf21("7","5","3","3","6","6","4","1") = "6"
    & skf21("7","5","3","3","6","6","5","1") = "6"
    & skf21("7","5","3","3","6","6","6","1") = "6"
    & skf21("7","5","3","3","6","6","7","1") = "6"
    & skf21("7","5","3","3","6","7","1","1") = "6"
    & skf21("7","5","3","3","6","7","2","1") = "6"
    & skf21("7","5","3","3","6","7","3","1") = "6"
    & skf21("7","5","3","3","6","7","4","1") = "6"
    & skf21("7","5","3","3","6","7","5","1") = "6"
    & skf21("7","5","3","3","6","7","6","1") = "6"
    & skf21("7","5","3","3","6","7","7","1") = "6"
    & skf21("7","5","3","3","7","1","1","1") = "6"
    & skf21("7","5","3","3","7","1","2","1") = "6"
    & skf21("7","5","3","3","7","1","3","1") = "6"
    & skf21("7","5","3","3","7","1","4","1") = "6"
    & skf21("7","5","3","3","7","1","5","1") = "6"
    & skf21("7","5","3","3","7","1","6","1") = "6"
    & skf21("7","5","3","3","7","1","7","1") = "6"
    & skf21("7","5","3","3","7","2","1","1") = "6"
    & skf21("7","5","3","3","7","2","2","1") = "6"
    & skf21("7","5","3","3","7","2","3","1") = "6"
    & skf21("7","5","3","3","7","2","4","1") = "6"
    & skf21("7","5","3","3","7","2","5","1") = "6"
    & skf21("7","5","3","3","7","2","6","1") = "6"
    & skf21("7","5","3","3","7","2","7","1") = "6"
    & skf21("7","5","3","3","7","3","1","1") = "6"
    & skf21("7","5","3","3","7","3","2","1") = "6"
    & skf21("7","5","3","3","7","3","3","1") = "6"
    & skf21("7","5","3","3","7","3","4","1") = "6"
    & skf21("7","5","3","3","7","3","5","1") = "6"
    & skf21("7","5","3","3","7","3","6","1") = "6"
    & skf21("7","5","3","3","7","3","7","1") = "6"
    & skf21("7","5","3","3","7","4","1","1") = "6"
    & skf21("7","5","3","3","7","4","2","1") = "6"
    & skf21("7","5","3","3","7","4","3","1") = "6"
    & skf21("7","5","3","3","7","4","4","1") = "6"
    & skf21("7","5","3","3","7","4","5","1") = "6"
    & skf21("7","5","3","3","7","4","6","1") = "6"
    & skf21("7","5","3","3","7","4","7","1") = "6"
    & skf21("7","5","3","3","7","5","1","1") = "6"
    & skf21("7","5","3","3","7","5","2","1") = "6"
    & skf21("7","5","3","3","7","5","3","1") = "6"
    & skf21("7","5","3","3","7","5","4","1") = "6"
    & skf21("7","5","3","3","7","5","5","1") = "6"
    & skf21("7","5","3","3","7","5","6","1") = "6"
    & skf21("7","5","3","3","7","5","7","1") = "6"
    & skf21("7","5","3","3","7","6","1","1") = "6"
    & skf21("7","5","3","3","7","6","2","1") = "6"
    & skf21("7","5","3","3","7","6","3","1") = "6"
    & skf21("7","5","3","3","7","6","4","1") = "6"
    & skf21("7","5","3","3","7","6","5","1") = "6"
    & skf21("7","5","3","3","7","6","6","1") = "6"
    & skf21("7","5","3","3","7","6","7","1") = "6"
    & skf21("7","5","3","3","7","7","1","1") = "6"
    & skf21("7","5","3","3","7","7","2","1") = "6"
    & skf21("7","5","3","3","7","7","3","1") = "6"
    & skf21("7","5","3","3","7","7","4","1") = "6"
    & skf21("7","5","3","3","7","7","5","1") = "6"
    & skf21("7","5","3","3","7","7","6","1") = "6"
    & skf21("7","5","3","3","7","7","7","1") = "6"
    & skf21("7","5","3","4","1","1","1","1") = "6"
    & skf21("7","5","3","4","1","1","2","1") = "6"
    & skf21("7","5","3","4","1","1","3","1") = "6"
    & skf21("7","5","3","4","1","1","4","1") = "6"
    & skf21("7","5","3","4","1","1","5","1") = "6"
    & skf21("7","5","3","4","1","1","6","1") = "6"
    & skf21("7","5","3","4","1","1","7","1") = "6"
    & skf21("7","5","3","4","1","2","1","1") = "6"
    & skf21("7","5","3","4","1","2","2","1") = "6"
    & skf21("7","5","3","4","1","2","3","1") = "6"
    & skf21("7","5","3","4","1","2","4","1") = "6"
    & skf21("7","5","3","4","1","2","5","1") = "6"
    & skf21("7","5","3","4","1","2","6","1") = "6"
    & skf21("7","5","3","4","1","2","7","1") = "6"
    & skf21("7","5","3","4","1","3","1","1") = "6"
    & skf21("7","5","3","4","1","3","2","1") = "6"
    & skf21("7","5","3","4","1","3","3","1") = "6"
    & skf21("7","5","3","4","1","3","4","1") = "6"
    & skf21("7","5","3","4","1","3","5","1") = "6"
    & skf21("7","5","3","4","1","3","6","1") = "6"
    & skf21("7","5","3","4","1","3","7","1") = "6"
    & skf21("7","5","3","4","1","4","1","1") = "6"
    & skf21("7","5","3","4","1","4","2","1") = "6"
    & skf21("7","5","3","4","1","4","3","1") = "6"
    & skf21("7","5","3","4","1","4","4","1") = "6"
    & skf21("7","5","3","4","1","4","5","1") = "6"
    & skf21("7","5","3","4","1","4","6","1") = "6"
    & skf21("7","5","3","4","1","4","7","1") = "6"
    & skf21("7","5","3","4","1","5","1","1") = "6"
    & skf21("7","5","3","4","1","5","2","1") = "6"
    & skf21("7","5","3","4","1","5","3","1") = "6"
    & skf21("7","5","3","4","1","5","4","1") = "6"
    & skf21("7","5","3","4","1","5","5","1") = "6"
    & skf21("7","5","3","4","1","5","6","1") = "6"
    & skf21("7","5","3","4","1","5","7","1") = "6"
    & skf21("7","5","3","4","1","6","1","1") = "6"
    & skf21("7","5","3","4","1","6","2","1") = "6"
    & skf21("7","5","3","4","1","6","3","1") = "6"
    & skf21("7","5","3","4","1","6","4","1") = "6"
    & skf21("7","5","3","4","1","6","5","1") = "6"
    & skf21("7","5","3","4","1","6","6","1") = "6"
    & skf21("7","5","3","4","1","6","7","1") = "6"
    & skf21("7","5","3","4","1","7","1","1") = "6"
    & skf21("7","5","3","4","1","7","2","1") = "6"
    & skf21("7","5","3","4","1","7","3","1") = "6"
    & skf21("7","5","3","4","1","7","4","1") = "6"
    & skf21("7","5","3","4","1","7","5","1") = "6"
    & skf21("7","5","3","4","1","7","6","1") = "6"
    & skf21("7","5","3","4","1","7","7","1") = "6"
    & skf21("7","5","3","4","2","1","1","1") = "6"
    & skf21("7","5","3","4","2","1","2","1") = "6"
    & skf21("7","5","3","4","2","1","3","1") = "6"
    & skf21("7","5","3","4","2","1","4","1") = "6"
    & skf21("7","5","3","4","2","1","5","1") = "6"
    & skf21("7","5","3","4","2","1","6","1") = "6"
    & skf21("7","5","3","4","2","1","7","1") = "6"
    & skf21("7","5","3","4","2","2","1","1") = "6"
    & skf21("7","5","3","4","2","2","2","1") = "6"
    & skf21("7","5","3","4","2","2","3","1") = "6"
    & skf21("7","5","3","4","2","2","4","1") = "6"
    & skf21("7","5","3","4","2","2","5","1") = "6"
    & skf21("7","5","3","4","2","2","6","1") = "6"
    & skf21("7","5","3","4","2","2","7","1") = "6"
    & skf21("7","5","3","4","2","3","1","1") = "6"
    & skf21("7","5","3","4","2","3","2","1") = "6"
    & skf21("7","5","3","4","2","3","3","1") = "6"
    & skf21("7","5","3","4","2","3","4","1") = "6"
    & skf21("7","5","3","4","2","3","5","1") = "6"
    & skf21("7","5","3","4","2","3","6","1") = "6"
    & skf21("7","5","3","4","2","3","7","1") = "6"
    & skf21("7","5","3","4","2","4","1","1") = "6"
    & skf21("7","5","3","4","2","4","2","1") = "6"
    & skf21("7","5","3","4","2","4","3","1") = "6"
    & skf21("7","5","3","4","2","4","4","1") = "6"
    & skf21("7","5","3","4","2","4","5","1") = "6"
    & skf21("7","5","3","4","2","4","6","1") = "6"
    & skf21("7","5","3","4","2","4","7","1") = "6"
    & skf21("7","5","3","4","2","5","1","1") = "6"
    & skf21("7","5","3","4","2","5","2","1") = "6"
    & skf21("7","5","3","4","2","5","3","1") = "6"
    & skf21("7","5","3","4","2","5","4","1") = "6"
    & skf21("7","5","3","4","2","5","5","1") = "6"
    & skf21("7","5","3","4","2","5","6","1") = "6"
    & skf21("7","5","3","4","2","5","7","1") = "6"
    & skf21("7","5","3","4","2","6","1","1") = "6"
    & skf21("7","5","3","4","2","6","2","1") = "6"
    & skf21("7","5","3","4","2","6","3","1") = "6"
    & skf21("7","5","3","4","2","6","4","1") = "6"
    & skf21("7","5","3","4","2","6","5","1") = "6"
    & skf21("7","5","3","4","2","6","6","1") = "6"
    & skf21("7","5","3","4","2","6","7","1") = "6"
    & skf21("7","5","3","4","2","7","1","1") = "6"
    & skf21("7","5","3","4","2","7","2","1") = "6"
    & skf21("7","5","3","4","2","7","3","1") = "6"
    & skf21("7","5","3","4","2","7","4","1") = "6"
    & skf21("7","5","3","4","2","7","5","1") = "6"
    & skf21("7","5","3","4","2","7","6","1") = "6"
    & skf21("7","5","3","4","2","7","7","1") = "6"
    & skf21("7","5","3","4","3","1","1","1") = "6"
    & skf21("7","5","3","4","3","1","2","1") = "6"
    & skf21("7","5","3","4","3","1","3","1") = "6"
    & skf21("7","5","3","4","3","1","4","1") = "6"
    & skf21("7","5","3","4","3","1","5","1") = "6"
    & skf21("7","5","3","4","3","1","6","1") = "6"
    & skf21("7","5","3","4","3","1","7","1") = "6"
    & skf21("7","5","3","4","3","2","1","1") = "6"
    & skf21("7","5","3","4","3","2","2","1") = "6"
    & skf21("7","5","3","4","3","2","3","1") = "6"
    & skf21("7","5","3","4","3","2","4","1") = "6"
    & skf21("7","5","3","4","3","2","5","1") = "6"
    & skf21("7","5","3","4","3","2","6","1") = "6"
    & skf21("7","5","3","4","3","2","7","1") = "6"
    & skf21("7","5","3","4","3","3","1","1") = "6"
    & skf21("7","5","3","4","3","3","2","1") = "6"
    & skf21("7","5","3","4","3","3","3","1") = "6"
    & skf21("7","5","3","4","3","3","4","1") = "6"
    & skf21("7","5","3","4","3","3","5","1") = "6"
    & skf21("7","5","3","4","3","3","6","1") = "6"
    & skf21("7","5","3","4","3","3","7","1") = "6"
    & skf21("7","5","3","4","3","4","1","1") = "6"
    & skf21("7","5","3","4","3","4","2","1") = "6"
    & skf21("7","5","3","4","3","4","3","1") = "6"
    & skf21("7","5","3","4","3","4","4","1") = "6"
    & skf21("7","5","3","4","3","4","5","1") = "6"
    & skf21("7","5","3","4","3","4","6","1") = "6"
    & skf21("7","5","3","4","3","4","7","1") = "6"
    & skf21("7","5","3","4","3","5","1","1") = "6"
    & skf21("7","5","3","4","3","5","2","1") = "6"
    & skf21("7","5","3","4","3","5","3","1") = "6"
    & skf21("7","5","3","4","3","5","4","1") = "6"
    & skf21("7","5","3","4","3","5","5","1") = "6"
    & skf21("7","5","3","4","3","5","6","1") = "6"
    & skf21("7","5","3","4","3","5","7","1") = "6"
    & skf21("7","5","3","4","3","6","1","1") = "6"
    & skf21("7","5","3","4","3","6","2","1") = "6"
    & skf21("7","5","3","4","3","6","3","1") = "6"
    & skf21("7","5","3","4","3","6","4","1") = "6"
    & skf21("7","5","3","4","3","6","5","1") = "6"
    & skf21("7","5","3","4","3","6","6","1") = "6"
    & skf21("7","5","3","4","3","6","7","1") = "6"
    & skf21("7","5","3","4","3","7","1","1") = "6"
    & skf21("7","5","3","4","3","7","2","1") = "6"
    & skf21("7","5","3","4","3","7","3","1") = "6"
    & skf21("7","5","3","4","3","7","4","1") = "6"
    & skf21("7","5","3","4","3","7","5","1") = "6"
    & skf21("7","5","3","4","3","7","6","1") = "6"
    & skf21("7","5","3","4","3","7","7","1") = "6"
    & skf21("7","5","3","4","4","1","1","1") = "6"
    & skf21("7","5","3","4","4","1","2","1") = "6"
    & skf21("7","5","3","4","4","1","3","1") = "6"
    & skf21("7","5","3","4","4","1","4","1") = "6"
    & skf21("7","5","3","4","4","1","5","1") = "6"
    & skf21("7","5","3","4","4","1","6","1") = "6"
    & skf21("7","5","3","4","4","1","7","1") = "6"
    & skf21("7","5","3","4","4","2","1","1") = "6"
    & skf21("7","5","3","4","4","2","2","1") = "6"
    & skf21("7","5","3","4","4","2","3","1") = "6"
    & skf21("7","5","3","4","4","2","4","1") = "6"
    & skf21("7","5","3","4","4","2","5","1") = "6"
    & skf21("7","5","3","4","4","2","6","1") = "6"
    & skf21("7","5","3","4","4","2","7","1") = "6"
    & skf21("7","5","3","4","4","3","1","1") = "6"
    & skf21("7","5","3","4","4","3","2","1") = "6"
    & skf21("7","5","3","4","4","3","3","1") = "6"
    & skf21("7","5","3","4","4","3","4","1") = "6"
    & skf21("7","5","3","4","4","3","5","1") = "6"
    & skf21("7","5","3","4","4","3","6","1") = "6"
    & skf21("7","5","3","4","4","3","7","1") = "6"
    & skf21("7","5","3","4","4","4","1","1") = "6"
    & skf21("7","5","3","4","4","4","2","1") = "6"
    & skf21("7","5","3","4","4","4","3","1") = "6"
    & skf21("7","5","3","4","4","4","4","1") = "6"
    & skf21("7","5","3","4","4","4","5","1") = "6"
    & skf21("7","5","3","4","4","4","6","1") = "6"
    & skf21("7","5","3","4","4","4","7","1") = "6"
    & skf21("7","5","3","4","4","5","1","1") = "6"
    & skf21("7","5","3","4","4","5","2","1") = "6"
    & skf21("7","5","3","4","4","5","3","1") = "6"
    & skf21("7","5","3","4","4","5","4","1") = "6"
    & skf21("7","5","3","4","4","5","5","1") = "6"
    & skf21("7","5","3","4","4","5","6","1") = "6"
    & skf21("7","5","3","4","4","5","7","1") = "6"
    & skf21("7","5","3","4","4","6","1","1") = "6"
    & skf21("7","5","3","4","4","6","2","1") = "6"
    & skf21("7","5","3","4","4","6","3","1") = "6"
    & skf21("7","5","3","4","4","6","4","1") = "6"
    & skf21("7","5","3","4","4","6","5","1") = "6"
    & skf21("7","5","3","4","4","6","6","1") = "6"
    & skf21("7","5","3","4","4","6","7","1") = "6"
    & skf21("7","5","3","4","4","7","1","1") = "6"
    & skf21("7","5","3","4","4","7","2","1") = "6"
    & skf21("7","5","3","4","4","7","3","1") = "6"
    & skf21("7","5","3","4","4","7","4","1") = "6"
    & skf21("7","5","3","4","4","7","5","1") = "6"
    & skf21("7","5","3","4","4","7","6","1") = "6"
    & skf21("7","5","3","4","4","7","7","1") = "6"
    & skf21("7","5","3","4","5","1","1","1") = "6"
    & skf21("7","5","3","4","5","1","2","1") = "6"
    & skf21("7","5","3","4","5","1","3","1") = "6"
    & skf21("7","5","3","4","5","1","4","1") = "6"
    & skf21("7","5","3","4","5","1","5","1") = "6"
    & skf21("7","5","3","4","5","1","6","1") = "6"
    & skf21("7","5","3","4","5","1","7","1") = "6"
    & skf21("7","5","3","4","5","2","1","1") = "6"
    & skf21("7","5","3","4","5","2","2","1") = "6"
    & skf21("7","5","3","4","5","2","3","1") = "6"
    & skf21("7","5","3","4","5","2","4","1") = "6"
    & skf21("7","5","3","4","5","2","5","1") = "6"
    & skf21("7","5","3","4","5","2","6","1") = "6"
    & skf21("7","5","3","4","5","2","7","1") = "6"
    & skf21("7","5","3","4","5","3","1","1") = "6"
    & skf21("7","5","3","4","5","3","2","1") = "6"
    & skf21("7","5","3","4","5","3","3","1") = "6"
    & skf21("7","5","3","4","5","3","4","1") = "6"
    & skf21("7","5","3","4","5","3","5","1") = "6"
    & skf21("7","5","3","4","5","3","6","1") = "6"
    & skf21("7","5","3","4","5","3","7","1") = "6"
    & skf21("7","5","3","4","5","4","1","1") = "6"
    & skf21("7","5","3","4","5","4","2","1") = "6"
    & skf21("7","5","3","4","5","4","3","1") = "6"
    & skf21("7","5","3","4","5","4","4","1") = "6"
    & skf21("7","5","3","4","5","4","5","1") = "6"
    & skf21("7","5","3","4","5","4","6","1") = "6"
    & skf21("7","5","3","4","5","4","7","1") = "6"
    & skf21("7","5","3","4","5","5","1","1") = "6"
    & skf21("7","5","3","4","5","5","2","1") = "6"
    & skf21("7","5","3","4","5","5","3","1") = "6"
    & skf21("7","5","3","4","5","5","4","1") = "6"
    & skf21("7","5","3","4","5","5","5","1") = "6"
    & skf21("7","5","3","4","5","5","6","1") = "6"
    & skf21("7","5","3","4","5","5","7","1") = "6"
    & skf21("7","5","3","4","5","6","1","1") = "6"
    & skf21("7","5","3","4","5","6","2","1") = "6"
    & skf21("7","5","3","4","5","6","3","1") = "6"
    & skf21("7","5","3","4","5","6","4","1") = "6"
    & skf21("7","5","3","4","5","6","5","1") = "6"
    & skf21("7","5","3","4","5","6","6","1") = "6"
    & skf21("7","5","3","4","5","6","7","1") = "6"
    & skf21("7","5","3","4","5","7","1","1") = "6"
    & skf21("7","5","3","4","5","7","2","1") = "6"
    & skf21("7","5","3","4","5","7","3","1") = "6"
    & skf21("7","5","3","4","5","7","4","1") = "6"
    & skf21("7","5","3","4","5","7","5","1") = "6"
    & skf21("7","5","3","4","5","7","6","1") = "6"
    & skf21("7","5","3","4","5","7","7","1") = "6"
    & skf21("7","5","3","4","6","1","1","1") = "6"
    & skf21("7","5","3","4","6","1","2","1") = "6"
    & skf21("7","5","3","4","6","1","3","1") = "6"
    & skf21("7","5","3","4","6","1","4","1") = "6"
    & skf21("7","5","3","4","6","1","5","1") = "6"
    & skf21("7","5","3","4","6","1","6","1") = "6"
    & skf21("7","5","3","4","6","1","7","1") = "6"
    & skf21("7","5","3","4","6","2","1","1") = "6"
    & skf21("7","5","3","4","6","2","2","1") = "6"
    & skf21("7","5","3","4","6","2","3","1") = "6"
    & skf21("7","5","3","4","6","2","4","1") = "6"
    & skf21("7","5","3","4","6","2","5","1") = "6"
    & skf21("7","5","3","4","6","2","6","1") = "6"
    & skf21("7","5","3","4","6","2","7","1") = "6"
    & skf21("7","5","3","4","6","3","1","1") = "6"
    & skf21("7","5","3","4","6","3","2","1") = "6"
    & skf21("7","5","3","4","6","3","3","1") = "6"
    & skf21("7","5","3","4","6","3","4","1") = "6"
    & skf21("7","5","3","4","6","3","5","1") = "6"
    & skf21("7","5","3","4","6","3","6","1") = "6"
    & skf21("7","5","3","4","6","3","7","1") = "6"
    & skf21("7","5","3","4","6","4","1","1") = "6"
    & skf21("7","5","3","4","6","4","2","1") = "6"
    & skf21("7","5","3","4","6","4","3","1") = "6"
    & skf21("7","5","3","4","6","4","4","1") = "6"
    & skf21("7","5","3","4","6","4","5","1") = "6"
    & skf21("7","5","3","4","6","4","6","1") = "6"
    & skf21("7","5","3","4","6","4","7","1") = "6"
    & skf21("7","5","3","4","6","5","1","1") = "6"
    & skf21("7","5","3","4","6","5","2","1") = "6"
    & skf21("7","5","3","4","6","5","3","1") = "6"
    & skf21("7","5","3","4","6","5","4","1") = "6"
    & skf21("7","5","3","4","6","5","5","1") = "6"
    & skf21("7","5","3","4","6","5","6","1") = "6"
    & skf21("7","5","3","4","6","5","7","1") = "6"
    & skf21("7","5","3","4","6","6","1","1") = "6"
    & skf21("7","5","3","4","6","6","2","1") = "6"
    & skf21("7","5","3","4","6","6","3","1") = "6"
    & skf21("7","5","3","4","6","6","4","1") = "6"
    & skf21("7","5","3","4","6","6","5","1") = "6"
    & skf21("7","5","3","4","6","6","6","1") = "6"
    & skf21("7","5","3","4","6","6","7","1") = "6"
    & skf21("7","5","3","4","6","7","1","1") = "6"
    & skf21("7","5","3","4","6","7","2","1") = "6"
    & skf21("7","5","3","4","6","7","3","1") = "6"
    & skf21("7","5","3","4","6","7","4","1") = "6"
    & skf21("7","5","3","4","6","7","5","1") = "6"
    & skf21("7","5","3","4","6","7","6","1") = "6"
    & skf21("7","5","3","4","6","7","7","1") = "6"
    & skf21("7","5","3","4","7","1","1","1") = "6"
    & skf21("7","5","3","4","7","1","2","1") = "6"
    & skf21("7","5","3","4","7","1","3","1") = "6"
    & skf21("7","5","3","4","7","1","4","1") = "6"
    & skf21("7","5","3","4","7","1","5","1") = "6"
    & skf21("7","5","3","4","7","1","6","1") = "6"
    & skf21("7","5","3","4","7","1","7","1") = "6"
    & skf21("7","5","3","4","7","2","1","1") = "6"
    & skf21("7","5","3","4","7","2","2","1") = "6"
    & skf21("7","5","3","4","7","2","3","1") = "6"
    & skf21("7","5","3","4","7","2","4","1") = "6"
    & skf21("7","5","3","4","7","2","5","1") = "6"
    & skf21("7","5","3","4","7","2","6","1") = "6"
    & skf21("7","5","3","4","7","2","7","1") = "6"
    & skf21("7","5","3","4","7","3","1","1") = "6"
    & skf21("7","5","3","4","7","3","2","1") = "6"
    & skf21("7","5","3","4","7","3","3","1") = "6"
    & skf21("7","5","3","4","7","3","4","1") = "6"
    & skf21("7","5","3","4","7","3","5","1") = "6"
    & skf21("7","5","3","4","7","3","6","1") = "6"
    & skf21("7","5","3","4","7","3","7","1") = "6"
    & skf21("7","5","3","4","7","4","1","1") = "6"
    & skf21("7","5","3","4","7","4","2","1") = "6"
    & skf21("7","5","3","4","7","4","3","1") = "6"
    & skf21("7","5","3","4","7","4","4","1") = "6"
    & skf21("7","5","3","4","7","4","5","1") = "6"
    & skf21("7","5","3","4","7","4","6","1") = "6"
    & skf21("7","5","3","4","7","4","7","1") = "6"
    & skf21("7","5","3","4","7","5","1","1") = "6"
    & skf21("7","5","3","4","7","5","2","1") = "6"
    & skf21("7","5","3","4","7","5","3","1") = "6"
    & skf21("7","5","3","4","7","5","4","1") = "6"
    & skf21("7","5","3","4","7","5","5","1") = "6"
    & skf21("7","5","3","4","7","5","6","1") = "6"
    & skf21("7","5","3","4","7","5","7","1") = "6"
    & skf21("7","5","3","4","7","6","1","1") = "6"
    & skf21("7","5","3","4","7","6","2","1") = "6"
    & skf21("7","5","3","4","7","6","3","1") = "6"
    & skf21("7","5","3","4","7","6","4","1") = "6"
    & skf21("7","5","3","4","7","6","5","1") = "6"
    & skf21("7","5","3","4","7","6","6","1") = "6"
    & skf21("7","5","3","4","7","6","7","1") = "6"
    & skf21("7","5","3","4","7","7","1","1") = "6"
    & skf21("7","5","3","4","7","7","2","1") = "6"
    & skf21("7","5","3","4","7","7","3","1") = "6"
    & skf21("7","5","3","4","7","7","4","1") = "6"
    & skf21("7","5","3","4","7","7","5","1") = "6"
    & skf21("7","5","3","4","7","7","6","1") = "6"
    & skf21("7","5","3","4","7","7","7","1") = "6"
    & skf21("7","5","3","5","1","1","1","1") = "6"
    & skf21("7","5","3","5","1","1","2","1") = "6"
    & skf21("7","5","3","5","1","1","3","1") = "6"
    & skf21("7","5","3","5","1","1","4","1") = "6"
    & skf21("7","5","3","5","1","1","5","1") = "6"
    & skf21("7","5","3","5","1","1","6","1") = "6"
    & skf21("7","5","3","5","1","1","7","1") = "6"
    & skf21("7","5","3","5","1","2","1","1") = "6"
    & skf21("7","5","3","5","1","2","2","1") = "6"
    & skf21("7","5","3","5","1","2","3","1") = "6"
    & skf21("7","5","3","5","1","2","4","1") = "6"
    & skf21("7","5","3","5","1","2","5","1") = "6"
    & skf21("7","5","3","5","1","2","6","1") = "6"
    & skf21("7","5","3","5","1","2","7","1") = "6"
    & skf21("7","5","3","5","1","3","1","1") = "6"
    & skf21("7","5","3","5","1","3","2","1") = "6"
    & skf21("7","5","3","5","1","3","3","1") = "6"
    & skf21("7","5","3","5","1","3","4","1") = "6"
    & skf21("7","5","3","5","1","3","5","1") = "6"
    & skf21("7","5","3","5","1","3","6","1") = "6"
    & skf21("7","5","3","5","1","3","7","1") = "6"
    & skf21("7","5","3","5","1","4","1","1") = "6"
    & skf21("7","5","3","5","1","4","2","1") = "6"
    & skf21("7","5","3","5","1","4","3","1") = "6"
    & skf21("7","5","3","5","1","4","4","1") = "6"
    & skf21("7","5","3","5","1","4","5","1") = "6"
    & skf21("7","5","3","5","1","4","6","1") = "6"
    & skf21("7","5","3","5","1","4","7","1") = "6"
    & skf21("7","5","3","5","1","5","1","1") = "6"
    & skf21("7","5","3","5","1","5","2","1") = "6"
    & skf21("7","5","3","5","1","5","3","1") = "6"
    & skf21("7","5","3","5","1","5","4","1") = "6"
    & skf21("7","5","3","5","1","5","5","1") = "6"
    & skf21("7","5","3","5","1","5","6","1") = "6"
    & skf21("7","5","3","5","1","5","7","1") = "6"
    & skf21("7","5","3","5","1","6","1","1") = "6"
    & skf21("7","5","3","5","1","6","2","1") = "6"
    & skf21("7","5","3","5","1","6","3","1") = "6"
    & skf21("7","5","3","5","1","6","4","1") = "6"
    & skf21("7","5","3","5","1","6","5","1") = "6"
    & skf21("7","5","3","5","1","6","6","1") = "6"
    & skf21("7","5","3","5","1","6","7","1") = "6"
    & skf21("7","5","3","5","1","7","1","1") = "6"
    & skf21("7","5","3","5","1","7","2","1") = "6"
    & skf21("7","5","3","5","1","7","3","1") = "6"
    & skf21("7","5","3","5","1","7","4","1") = "6"
    & skf21("7","5","3","5","1","7","5","1") = "6"
    & skf21("7","5","3","5","1","7","6","1") = "6"
    & skf21("7","5","3","5","1","7","7","1") = "6"
    & skf21("7","5","3","5","2","1","1","1") = "6"
    & skf21("7","5","3","5","2","1","2","1") = "6"
    & skf21("7","5","3","5","2","1","3","1") = "6"
    & skf21("7","5","3","5","2","1","4","1") = "6"
    & skf21("7","5","3","5","2","1","5","1") = "6"
    & skf21("7","5","3","5","2","1","6","1") = "6"
    & skf21("7","5","3","5","2","1","7","1") = "6"
    & skf21("7","5","3","5","2","2","1","1") = "6"
    & skf21("7","5","3","5","2","2","2","1") = "6"
    & skf21("7","5","3","5","2","2","3","1") = "6"
    & skf21("7","5","3","5","2","2","4","1") = "6"
    & skf21("7","5","3","5","2","2","5","1") = "6"
    & skf21("7","5","3","5","2","2","6","1") = "6"
    & skf21("7","5","3","5","2","2","7","1") = "6"
    & skf21("7","5","3","5","2","3","1","1") = "6"
    & skf21("7","5","3","5","2","3","2","1") = "6"
    & skf21("7","5","3","5","2","3","3","1") = "6"
    & skf21("7","5","3","5","2","3","4","1") = "6"
    & skf21("7","5","3","5","2","3","5","1") = "6"
    & skf21("7","5","3","5","2","3","6","1") = "6"
    & skf21("7","5","3","5","2","3","7","1") = "6"
    & skf21("7","5","3","5","2","4","1","1") = "6"
    & skf21("7","5","3","5","2","4","2","1") = "6"
    & skf21("7","5","3","5","2","4","3","1") = "6"
    & skf21("7","5","3","5","2","4","4","1") = "6"
    & skf21("7","5","3","5","2","4","5","1") = "6"
    & skf21("7","5","3","5","2","4","6","1") = "6"
    & skf21("7","5","3","5","2","4","7","1") = "6"
    & skf21("7","5","3","5","2","5","1","1") = "6"
    & skf21("7","5","3","5","2","5","2","1") = "6"
    & skf21("7","5","3","5","2","5","3","1") = "6"
    & skf21("7","5","3","5","2","5","4","1") = "6"
    & skf21("7","5","3","5","2","5","5","1") = "6"
    & skf21("7","5","3","5","2","5","6","1") = "6"
    & skf21("7","5","3","5","2","5","7","1") = "6"
    & skf21("7","5","3","5","2","6","1","1") = "6"
    & skf21("7","5","3","5","2","6","2","1") = "6"
    & skf21("7","5","3","5","2","6","3","1") = "6"
    & skf21("7","5","3","5","2","6","4","1") = "6"
    & skf21("7","5","3","5","2","6","5","1") = "6"
    & skf21("7","5","3","5","2","6","6","1") = "6"
    & skf21("7","5","3","5","2","6","7","1") = "6"
    & skf21("7","5","3","5","2","7","1","1") = "6"
    & skf21("7","5","3","5","2","7","2","1") = "6"
    & skf21("7","5","3","5","2","7","3","1") = "6"
    & skf21("7","5","3","5","2","7","4","1") = "6"
    & skf21("7","5","3","5","2","7","5","1") = "6"
    & skf21("7","5","3","5","2","7","6","1") = "6"
    & skf21("7","5","3","5","2","7","7","1") = "6"
    & skf21("7","5","3","5","3","1","1","1") = "6"
    & skf21("7","5","3","5","3","1","2","1") = "6"
    & skf21("7","5","3","5","3","1","3","1") = "6"
    & skf21("7","5","3","5","3","1","4","1") = "6"
    & skf21("7","5","3","5","3","1","5","1") = "6"
    & skf21("7","5","3","5","3","1","6","1") = "6"
    & skf21("7","5","3","5","3","1","7","1") = "6"
    & skf21("7","5","3","5","3","2","1","1") = "6"
    & skf21("7","5","3","5","3","2","2","1") = "6"
    & skf21("7","5","3","5","3","2","3","1") = "6"
    & skf21("7","5","3","5","3","2","4","1") = "6"
    & skf21("7","5","3","5","3","2","5","1") = "6"
    & skf21("7","5","3","5","3","2","6","1") = "6"
    & skf21("7","5","3","5","3","2","7","1") = "6"
    & skf21("7","5","3","5","3","3","1","1") = "6"
    & skf21("7","5","3","5","3","3","2","1") = "6"
    & skf21("7","5","3","5","3","3","3","1") = "6"
    & skf21("7","5","3","5","3","3","4","1") = "6"
    & skf21("7","5","3","5","3","3","5","1") = "6"
    & skf21("7","5","3","5","3","3","6","1") = "6"
    & skf21("7","5","3","5","3","3","7","1") = "6"
    & skf21("7","5","3","5","3","4","1","1") = "6"
    & skf21("7","5","3","5","3","4","2","1") = "6"
    & skf21("7","5","3","5","3","4","3","1") = "6"
    & skf21("7","5","3","5","3","4","4","1") = "6"
    & skf21("7","5","3","5","3","4","5","1") = "6"
    & skf21("7","5","3","5","3","4","6","1") = "6"
    & skf21("7","5","3","5","3","4","7","1") = "6"
    & skf21("7","5","3","5","3","5","1","1") = "6"
    & skf21("7","5","3","5","3","5","2","1") = "6"
    & skf21("7","5","3","5","3","5","3","1") = "6"
    & skf21("7","5","3","5","3","5","4","1") = "6"
    & skf21("7","5","3","5","3","5","5","1") = "6"
    & skf21("7","5","3","5","3","5","6","1") = "6"
    & skf21("7","5","3","5","3","5","7","1") = "6"
    & skf21("7","5","3","5","3","6","1","1") = "6"
    & skf21("7","5","3","5","3","6","2","1") = "6"
    & skf21("7","5","3","5","3","6","3","1") = "6"
    & skf21("7","5","3","5","3","6","4","1") = "6"
    & skf21("7","5","3","5","3","6","5","1") = "6"
    & skf21("7","5","3","5","3","6","6","1") = "6"
    & skf21("7","5","3","5","3","6","7","1") = "6"
    & skf21("7","5","3","5","3","7","1","1") = "6"
    & skf21("7","5","3","5","3","7","2","1") = "6"
    & skf21("7","5","3","5","3","7","3","1") = "6"
    & skf21("7","5","3","5","3","7","4","1") = "6"
    & skf21("7","5","3","5","3","7","5","1") = "6"
    & skf21("7","5","3","5","3","7","6","1") = "6"
    & skf21("7","5","3","5","3","7","7","1") = "6"
    & skf21("7","5","3","5","4","1","1","1") = "6"
    & skf21("7","5","3","5","4","1","2","1") = "6"
    & skf21("7","5","3","5","4","1","3","1") = "6"
    & skf21("7","5","3","5","4","1","4","1") = "6"
    & skf21("7","5","3","5","4","1","5","1") = "6"
    & skf21("7","5","3","5","4","1","6","1") = "6"
    & skf21("7","5","3","5","4","1","7","1") = "6"
    & skf21("7","5","3","5","4","2","1","1") = "6"
    & skf21("7","5","3","5","4","2","2","1") = "6"
    & skf21("7","5","3","5","4","2","3","1") = "6"
    & skf21("7","5","3","5","4","2","4","1") = "6"
    & skf21("7","5","3","5","4","2","5","1") = "6"
    & skf21("7","5","3","5","4","2","6","1") = "6"
    & skf21("7","5","3","5","4","2","7","1") = "6"
    & skf21("7","5","3","5","4","3","1","1") = "6"
    & skf21("7","5","3","5","4","3","2","1") = "6"
    & skf21("7","5","3","5","4","3","3","1") = "6"
    & skf21("7","5","3","5","4","3","4","1") = "6"
    & skf21("7","5","3","5","4","3","5","1") = "6"
    & skf21("7","5","3","5","4","3","6","1") = "6"
    & skf21("7","5","3","5","4","3","7","1") = "6"
    & skf21("7","5","3","5","4","4","1","1") = "6"
    & skf21("7","5","3","5","4","4","2","1") = "6"
    & skf21("7","5","3","5","4","4","3","1") = "6"
    & skf21("7","5","3","5","4","4","4","1") = "6"
    & skf21("7","5","3","5","4","4","5","1") = "6"
    & skf21("7","5","3","5","4","4","6","1") = "6"
    & skf21("7","5","3","5","4","4","7","1") = "6"
    & skf21("7","5","3","5","4","5","1","1") = "6"
    & skf21("7","5","3","5","4","5","2","1") = "6"
    & skf21("7","5","3","5","4","5","3","1") = "6"
    & skf21("7","5","3","5","4","5","4","1") = "6"
    & skf21("7","5","3","5","4","5","5","1") = "6"
    & skf21("7","5","3","5","4","5","6","1") = "6"
    & skf21("7","5","3","5","4","5","7","1") = "6"
    & skf21("7","5","3","5","4","6","1","1") = "6"
    & skf21("7","5","3","5","4","6","2","1") = "6"
    & skf21("7","5","3","5","4","6","3","1") = "6"
    & skf21("7","5","3","5","4","6","4","1") = "6"
    & skf21("7","5","3","5","4","6","5","1") = "6"
    & skf21("7","5","3","5","4","6","6","1") = "6"
    & skf21("7","5","3","5","4","6","7","1") = "6"
    & skf21("7","5","3","5","4","7","1","1") = "6"
    & skf21("7","5","3","5","4","7","2","1") = "6"
    & skf21("7","5","3","5","4","7","3","1") = "6"
    & skf21("7","5","3","5","4","7","4","1") = "6"
    & skf21("7","5","3","5","4","7","5","1") = "6"
    & skf21("7","5","3","5","4","7","6","1") = "6"
    & skf21("7","5","3","5","4","7","7","1") = "6"
    & skf21("7","5","3","5","5","1","1","1") = "6"
    & skf21("7","5","3","5","5","1","2","1") = "6"
    & skf21("7","5","3","5","5","1","3","1") = "6"
    & skf21("7","5","3","5","5","1","4","1") = "6"
    & skf21("7","5","3","5","5","1","5","1") = "6"
    & skf21("7","5","3","5","5","1","6","1") = "6"
    & skf21("7","5","3","5","5","1","7","1") = "6"
    & skf21("7","5","3","5","5","2","1","1") = "6"
    & skf21("7","5","3","5","5","2","2","1") = "6"
    & skf21("7","5","3","5","5","2","3","1") = "6"
    & skf21("7","5","3","5","5","2","4","1") = "6"
    & skf21("7","5","3","5","5","2","5","1") = "6"
    & skf21("7","5","3","5","5","2","6","1") = "6"
    & skf21("7","5","3","5","5","2","7","1") = "6"
    & skf21("7","5","3","5","5","3","1","1") = "6"
    & skf21("7","5","3","5","5","3","2","1") = "6"
    & skf21("7","5","3","5","5","3","3","1") = "6"
    & skf21("7","5","3","5","5","3","4","1") = "6"
    & skf21("7","5","3","5","5","3","5","1") = "6"
    & skf21("7","5","3","5","5","3","6","1") = "6"
    & skf21("7","5","3","5","5","3","7","1") = "6"
    & skf21("7","5","3","5","5","4","1","1") = "6"
    & skf21("7","5","3","5","5","4","2","1") = "6"
    & skf21("7","5","3","5","5","4","3","1") = "6"
    & skf21("7","5","3","5","5","4","4","1") = "6"
    & skf21("7","5","3","5","5","4","5","1") = "6"
    & skf21("7","5","3","5","5","4","6","1") = "6"
    & skf21("7","5","3","5","5","4","7","1") = "6"
    & skf21("7","5","3","5","5","5","1","1") = "6"
    & skf21("7","5","3","5","5","5","2","1") = "6"
    & skf21("7","5","3","5","5","5","3","1") = "6"
    & skf21("7","5","3","5","5","5","4","1") = "6"
    & skf21("7","5","3","5","5","5","5","1") = "6"
    & skf21("7","5","3","5","5","5","6","1") = "6"
    & skf21("7","5","3","5","5","5","7","1") = "6"
    & skf21("7","5","3","5","5","6","1","1") = "6"
    & skf21("7","5","3","5","5","6","2","1") = "6"
    & skf21("7","5","3","5","5","6","3","1") = "6"
    & skf21("7","5","3","5","5","6","4","1") = "6"
    & skf21("7","5","3","5","5","6","5","1") = "6"
    & skf21("7","5","3","5","5","6","6","1") = "6"
    & skf21("7","5","3","5","5","6","7","1") = "6"
    & skf21("7","5","3","5","5","7","1","1") = "6"
    & skf21("7","5","3","5","5","7","2","1") = "6"
    & skf21("7","5","3","5","5","7","3","1") = "6"
    & skf21("7","5","3","5","5","7","4","1") = "6"
    & skf21("7","5","3","5","5","7","5","1") = "6"
    & skf21("7","5","3","5","5","7","6","1") = "6"
    & skf21("7","5","3","5","5","7","7","1") = "6"
    & skf21("7","5","3","5","6","1","1","1") = "6"
    & skf21("7","5","3","5","6","1","2","1") = "6"
    & skf21("7","5","3","5","6","1","3","1") = "6"
    & skf21("7","5","3","5","6","1","4","1") = "6"
    & skf21("7","5","3","5","6","1","5","1") = "6"
    & skf21("7","5","3","5","6","1","6","1") = "6"
    & skf21("7","5","3","5","6","1","7","1") = "6"
    & skf21("7","5","3","5","6","2","1","1") = "6"
    & skf21("7","5","3","5","6","2","2","1") = "6"
    & skf21("7","5","3","5","6","2","3","1") = "6"
    & skf21("7","5","3","5","6","2","4","1") = "6"
    & skf21("7","5","3","5","6","2","5","1") = "6"
    & skf21("7","5","3","5","6","2","6","1") = "6"
    & skf21("7","5","3","5","6","2","7","1") = "6"
    & skf21("7","5","3","5","6","3","1","1") = "6"
    & skf21("7","5","3","5","6","3","2","1") = "6"
    & skf21("7","5","3","5","6","3","3","1") = "6"
    & skf21("7","5","3","5","6","3","4","1") = "6"
    & skf21("7","5","3","5","6","3","5","1") = "6"
    & skf21("7","5","3","5","6","3","6","1") = "6"
    & skf21("7","5","3","5","6","3","7","1") = "6"
    & skf21("7","5","3","5","6","4","1","1") = "6"
    & skf21("7","5","3","5","6","4","2","1") = "6"
    & skf21("7","5","3","5","6","4","3","1") = "6"
    & skf21("7","5","3","5","6","4","4","1") = "6"
    & skf21("7","5","3","5","6","4","5","1") = "6"
    & skf21("7","5","3","5","6","4","6","1") = "6"
    & skf21("7","5","3","5","6","4","7","1") = "6"
    & skf21("7","5","3","5","6","5","1","1") = "6"
    & skf21("7","5","3","5","6","5","2","1") = "6"
    & skf21("7","5","3","5","6","5","3","1") = "6"
    & skf21("7","5","3","5","6","5","4","1") = "6"
    & skf21("7","5","3","5","6","5","5","1") = "6"
    & skf21("7","5","3","5","6","5","6","1") = "6"
    & skf21("7","5","3","5","6","5","7","1") = "6"
    & skf21("7","5","3","5","6","6","1","1") = "6"
    & skf21("7","5","3","5","6","6","2","1") = "6"
    & skf21("7","5","3","5","6","6","3","1") = "6"
    & skf21("7","5","3","5","6","6","4","1") = "6"
    & skf21("7","5","3","5","6","6","5","1") = "6"
    & skf21("7","5","3","5","6","6","6","1") = "6"
    & skf21("7","5","3","5","6","6","7","1") = "6"
    & skf21("7","5","3","5","6","7","1","1") = "6"
    & skf21("7","5","3","5","6","7","2","1") = "6"
    & skf21("7","5","3","5","6","7","3","1") = "6"
    & skf21("7","5","3","5","6","7","4","1") = "6"
    & skf21("7","5","3","5","6","7","5","1") = "6"
    & skf21("7","5","3","5","6","7","6","1") = "6"
    & skf21("7","5","3","5","6","7","7","1") = "6"
    & skf21("7","5","3","5","7","1","1","1") = "6"
    & skf21("7","5","3","5","7","1","2","1") = "6"
    & skf21("7","5","3","5","7","1","3","1") = "6"
    & skf21("7","5","3","5","7","1","4","1") = "6"
    & skf21("7","5","3","5","7","1","5","1") = "6"
    & skf21("7","5","3","5","7","1","6","1") = "6"
    & skf21("7","5","3","5","7","1","7","1") = "6"
    & skf21("7","5","3","5","7","2","1","1") = "6"
    & skf21("7","5","3","5","7","2","2","1") = "6"
    & skf21("7","5","3","5","7","2","3","1") = "6"
    & skf21("7","5","3","5","7","2","4","1") = "6"
    & skf21("7","5","3","5","7","2","5","1") = "6"
    & skf21("7","5","3","5","7","2","6","1") = "6"
    & skf21("7","5","3","5","7","2","7","1") = "6"
    & skf21("7","5","3","5","7","3","1","1") = "6"
    & skf21("7","5","3","5","7","3","2","1") = "6"
    & skf21("7","5","3","5","7","3","3","1") = "6"
    & skf21("7","5","3","5","7","3","4","1") = "6"
    & skf21("7","5","3","5","7","3","5","1") = "6"
    & skf21("7","5","3","5","7","3","6","1") = "6"
    & skf21("7","5","3","5","7","3","7","1") = "6"
    & skf21("7","5","3","5","7","4","1","1") = "6"
    & skf21("7","5","3","5","7","4","2","1") = "6"
    & skf21("7","5","3","5","7","4","3","1") = "6"
    & skf21("7","5","3","5","7","4","4","1") = "6"
    & skf21("7","5","3","5","7","4","5","1") = "6"
    & skf21("7","5","3","5","7","4","6","1") = "6"
    & skf21("7","5","3","5","7","4","7","1") = "6"
    & skf21("7","5","3","5","7","5","1","1") = "6"
    & skf21("7","5","3","5","7","5","2","1") = "6"
    & skf21("7","5","3","5","7","5","3","1") = "6"
    & skf21("7","5","3","5","7","5","4","1") = "6"
    & skf21("7","5","3","5","7","5","5","1") = "6"
    & skf21("7","5","3","5","7","5","6","1") = "6"
    & skf21("7","5","3","5","7","5","7","1") = "6"
    & skf21("7","5","3","5","7","6","1","1") = "6"
    & skf21("7","5","3","5","7","6","2","1") = "6"
    & skf21("7","5","3","5","7","6","3","1") = "6"
    & skf21("7","5","3","5","7","6","4","1") = "6"
    & skf21("7","5","3","5","7","6","5","1") = "6"
    & skf21("7","5","3","5","7","6","6","1") = "6"
    & skf21("7","5","3","5","7","6","7","1") = "6"
    & skf21("7","5","3","5","7","7","1","1") = "6"
    & skf21("7","5","3","5","7","7","2","1") = "6"
    & skf21("7","5","3","5","7","7","3","1") = "6"
    & skf21("7","5","3","5","7","7","4","1") = "6"
    & skf21("7","5","3","5","7","7","5","1") = "6"
    & skf21("7","5","3","5","7","7","6","1") = "6"
    & skf21("7","5","3","5","7","7","7","1") = "6"
    & skf21("7","5","3","6","1","1","1","1") = "6"
    & skf21("7","5","3","6","1","1","2","1") = "6"
    & skf21("7","5","3","6","1","1","3","1") = "6"
    & skf21("7","5","3","6","1","1","4","1") = "6"
    & skf21("7","5","3","6","1","1","5","1") = "6"
    & skf21("7","5","3","6","1","1","6","1") = "6"
    & skf21("7","5","3","6","1","1","7","1") = "6"
    & skf21("7","5","3","6","1","2","1","1") = "6"
    & skf21("7","5","3","6","1","2","2","1") = "6"
    & skf21("7","5","3","6","1","2","3","1") = "6"
    & skf21("7","5","3","6","1","2","4","1") = "6"
    & skf21("7","5","3","6","1","2","5","1") = "6"
    & skf21("7","5","3","6","1","2","6","1") = "6"
    & skf21("7","5","3","6","1","2","7","1") = "6"
    & skf21("7","5","3","6","1","3","1","1") = "6"
    & skf21("7","5","3","6","1","3","2","1") = "6"
    & skf21("7","5","3","6","1","3","3","1") = "6"
    & skf21("7","5","3","6","1","3","4","1") = "6"
    & skf21("7","5","3","6","1","3","5","1") = "6"
    & skf21("7","5","3","6","1","3","6","1") = "6"
    & skf21("7","5","3","6","1","3","7","1") = "6"
    & skf21("7","5","3","6","1","4","1","1") = "6"
    & skf21("7","5","3","6","1","4","2","1") = "6"
    & skf21("7","5","3","6","1","4","3","1") = "6"
    & skf21("7","5","3","6","1","4","4","1") = "6"
    & skf21("7","5","3","6","1","4","5","1") = "6"
    & skf21("7","5","3","6","1","4","6","1") = "6"
    & skf21("7","5","3","6","1","4","7","1") = "6"
    & skf21("7","5","3","6","1","5","1","1") = "6"
    & skf21("7","5","3","6","1","5","2","1") = "6"
    & skf21("7","5","3","6","1","5","3","1") = "6"
    & skf21("7","5","3","6","1","5","4","1") = "6"
    & skf21("7","5","3","6","1","5","5","1") = "6"
    & skf21("7","5","3","6","1","5","6","1") = "6"
    & skf21("7","5","3","6","1","5","7","1") = "6"
    & skf21("7","5","3","6","1","6","1","1") = "6"
    & skf21("7","5","3","6","1","6","2","1") = "6"
    & skf21("7","5","3","6","1","6","3","1") = "6"
    & skf21("7","5","3","6","1","6","4","1") = "6"
    & skf21("7","5","3","6","1","6","5","1") = "6"
    & skf21("7","5","3","6","1","6","6","1") = "6"
    & skf21("7","5","3","6","1","6","7","1") = "6"
    & skf21("7","5","3","6","1","7","1","1") = "6"
    & skf21("7","5","3","6","1","7","2","1") = "6"
    & skf21("7","5","3","6","1","7","3","1") = "6"
    & skf21("7","5","3","6","1","7","4","1") = "6"
    & skf21("7","5","3","6","1","7","5","1") = "6"
    & skf21("7","5","3","6","1","7","6","1") = "6"
    & skf21("7","5","3","6","1","7","7","1") = "6"
    & skf21("7","5","3","6","2","1","1","1") = "6"
    & skf21("7","5","3","6","2","1","2","1") = "6"
    & skf21("7","5","3","6","2","1","3","1") = "6"
    & skf21("7","5","3","6","2","1","4","1") = "6"
    & skf21("7","5","3","6","2","1","5","1") = "6"
    & skf21("7","5","3","6","2","1","6","1") = "6"
    & skf21("7","5","3","6","2","1","7","1") = "6"
    & skf21("7","5","3","6","2","2","1","1") = "6"
    & skf21("7","5","3","6","2","2","2","1") = "6"
    & skf21("7","5","3","6","2","2","3","1") = "6"
    & skf21("7","5","3","6","2","2","4","1") = "6"
    & skf21("7","5","3","6","2","2","5","1") = "6"
    & skf21("7","5","3","6","2","2","6","1") = "6"
    & skf21("7","5","3","6","2","2","7","1") = "6"
    & skf21("7","5","3","6","2","3","1","1") = "6"
    & skf21("7","5","3","6","2","3","2","1") = "6"
    & skf21("7","5","3","6","2","3","3","1") = "6"
    & skf21("7","5","3","6","2","3","4","1") = "6"
    & skf21("7","5","3","6","2","3","5","1") = "6"
    & skf21("7","5","3","6","2","3","6","1") = "6"
    & skf21("7","5","3","6","2","3","7","1") = "6"
    & skf21("7","5","3","6","2","4","1","1") = "6"
    & skf21("7","5","3","6","2","4","2","1") = "6"
    & skf21("7","5","3","6","2","4","3","1") = "6"
    & skf21("7","5","3","6","2","4","4","1") = "6"
    & skf21("7","5","3","6","2","4","5","1") = "6"
    & skf21("7","5","3","6","2","4","6","1") = "6"
    & skf21("7","5","3","6","2","4","7","1") = "6"
    & skf21("7","5","3","6","2","5","1","1") = "6"
    & skf21("7","5","3","6","2","5","2","1") = "6"
    & skf21("7","5","3","6","2","5","3","1") = "6"
    & skf21("7","5","3","6","2","5","4","1") = "6"
    & skf21("7","5","3","6","2","5","5","1") = "6"
    & skf21("7","5","3","6","2","5","6","1") = "6"
    & skf21("7","5","3","6","2","5","7","1") = "6"
    & skf21("7","5","3","6","2","6","1","1") = "6"
    & skf21("7","5","3","6","2","6","2","1") = "6"
    & skf21("7","5","3","6","2","6","3","1") = "6"
    & skf21("7","5","3","6","2","6","4","1") = "6"
    & skf21("7","5","3","6","2","6","5","1") = "6"
    & skf21("7","5","3","6","2","6","6","1") = "6"
    & skf21("7","5","3","6","2","6","7","1") = "6"
    & skf21("7","5","3","6","2","7","1","1") = "6"
    & skf21("7","5","3","6","2","7","2","1") = "6"
    & skf21("7","5","3","6","2","7","3","1") = "6"
    & skf21("7","5","3","6","2","7","4","1") = "6"
    & skf21("7","5","3","6","2","7","5","1") = "6"
    & skf21("7","5","3","6","2","7","6","1") = "6"
    & skf21("7","5","3","6","2","7","7","1") = "6"
    & skf21("7","5","3","6","3","1","1","1") = "6"
    & skf21("7","5","3","6","3","1","2","1") = "6"
    & skf21("7","5","3","6","3","1","3","1") = "6"
    & skf21("7","5","3","6","3","1","4","1") = "6"
    & skf21("7","5","3","6","3","1","5","1") = "6"
    & skf21("7","5","3","6","3","1","6","1") = "6"
    & skf21("7","5","3","6","3","1","7","1") = "6"
    & skf21("7","5","3","6","3","2","1","1") = "6"
    & skf21("7","5","3","6","3","2","2","1") = "6"
    & skf21("7","5","3","6","3","2","3","1") = "6"
    & skf21("7","5","3","6","3","2","4","1") = "6"
    & skf21("7","5","3","6","3","2","5","1") = "6"
    & skf21("7","5","3","6","3","2","6","1") = "6"
    & skf21("7","5","3","6","3","2","7","1") = "6"
    & skf21("7","5","3","6","3","3","1","1") = "6"
    & skf21("7","5","3","6","3","3","2","1") = "6"
    & skf21("7","5","3","6","3","3","3","1") = "6"
    & skf21("7","5","3","6","3","3","4","1") = "6"
    & skf21("7","5","3","6","3","3","5","1") = "6"
    & skf21("7","5","3","6","3","3","6","1") = "6"
    & skf21("7","5","3","6","3","3","7","1") = "6"
    & skf21("7","5","3","6","3","4","1","1") = "6"
    & skf21("7","5","3","6","3","4","2","1") = "6"
    & skf21("7","5","3","6","3","4","3","1") = "6"
    & skf21("7","5","3","6","3","4","4","1") = "6"
    & skf21("7","5","3","6","3","4","5","1") = "6"
    & skf21("7","5","3","6","3","4","6","1") = "6"
    & skf21("7","5","3","6","3","4","7","1") = "6"
    & skf21("7","5","3","6","3","5","1","1") = "6"
    & skf21("7","5","3","6","3","5","2","1") = "6"
    & skf21("7","5","3","6","3","5","3","1") = "6"
    & skf21("7","5","3","6","3","5","4","1") = "6"
    & skf21("7","5","3","6","3","5","5","1") = "6"
    & skf21("7","5","3","6","3","5","6","1") = "6"
    & skf21("7","5","3","6","3","5","7","1") = "6"
    & skf21("7","5","3","6","3","6","1","1") = "6"
    & skf21("7","5","3","6","3","6","2","1") = "6"
    & skf21("7","5","3","6","3","6","3","1") = "6"
    & skf21("7","5","3","6","3","6","4","1") = "6"
    & skf21("7","5","3","6","3","6","5","1") = "6"
    & skf21("7","5","3","6","3","6","6","1") = "6"
    & skf21("7","5","3","6","3","6","7","1") = "6"
    & skf21("7","5","3","6","3","7","1","1") = "6"
    & skf21("7","5","3","6","3","7","2","1") = "6"
    & skf21("7","5","3","6","3","7","3","1") = "6"
    & skf21("7","5","3","6","3","7","4","1") = "6"
    & skf21("7","5","3","6","3","7","5","1") = "6"
    & skf21("7","5","3","6","3","7","6","1") = "6"
    & skf21("7","5","3","6","3","7","7","1") = "6"
    & skf21("7","5","3","6","4","1","1","1") = "6"
    & skf21("7","5","3","6","4","1","2","1") = "6"
    & skf21("7","5","3","6","4","1","3","1") = "6"
    & skf21("7","5","3","6","4","1","4","1") = "6"
    & skf21("7","5","3","6","4","1","5","1") = "6"
    & skf21("7","5","3","6","4","1","6","1") = "6"
    & skf21("7","5","3","6","4","1","7","1") = "6"
    & skf21("7","5","3","6","4","2","1","1") = "6"
    & skf21("7","5","3","6","4","2","2","1") = "6"
    & skf21("7","5","3","6","4","2","3","1") = "6"
    & skf21("7","5","3","6","4","2","4","1") = "6"
    & skf21("7","5","3","6","4","2","5","1") = "6"
    & skf21("7","5","3","6","4","2","6","1") = "6"
    & skf21("7","5","3","6","4","2","7","1") = "6"
    & skf21("7","5","3","6","4","3","1","1") = "6"
    & skf21("7","5","3","6","4","3","2","1") = "6"
    & skf21("7","5","3","6","4","3","3","1") = "6"
    & skf21("7","5","3","6","4","3","4","1") = "6"
    & skf21("7","5","3","6","4","3","5","1") = "6"
    & skf21("7","5","3","6","4","3","6","1") = "6"
    & skf21("7","5","3","6","4","3","7","1") = "6"
    & skf21("7","5","3","6","4","4","1","1") = "6"
    & skf21("7","5","3","6","4","4","2","1") = "6"
    & skf21("7","5","3","6","4","4","3","1") = "6"
    & skf21("7","5","3","6","4","4","4","1") = "6"
    & skf21("7","5","3","6","4","4","5","1") = "6"
    & skf21("7","5","3","6","4","4","6","1") = "6"
    & skf21("7","5","3","6","4","4","7","1") = "6"
    & skf21("7","5","3","6","4","5","1","1") = "6"
    & skf21("7","5","3","6","4","5","2","1") = "6"
    & skf21("7","5","3","6","4","5","3","1") = "6"
    & skf21("7","5","3","6","4","5","4","1") = "6"
    & skf21("7","5","3","6","4","5","5","1") = "6"
    & skf21("7","5","3","6","4","5","6","1") = "6"
    & skf21("7","5","3","6","4","5","7","1") = "6"
    & skf21("7","5","3","6","4","6","1","1") = "6"
    & skf21("7","5","3","6","4","6","2","1") = "6"
    & skf21("7","5","3","6","4","6","3","1") = "6"
    & skf21("7","5","3","6","4","6","4","1") = "6"
    & skf21("7","5","3","6","4","6","5","1") = "6"
    & skf21("7","5","3","6","4","6","6","1") = "6"
    & skf21("7","5","3","6","4","6","7","1") = "6"
    & skf21("7","5","3","6","4","7","1","1") = "6"
    & skf21("7","5","3","6","4","7","2","1") = "6"
    & skf21("7","5","3","6","4","7","3","1") = "6"
    & skf21("7","5","3","6","4","7","4","1") = "6"
    & skf21("7","5","3","6","4","7","5","1") = "6"
    & skf21("7","5","3","6","4","7","6","1") = "6"
    & skf21("7","5","3","6","4","7","7","1") = "6"
    & skf21("7","5","3","6","5","1","1","1") = "6"
    & skf21("7","5","3","6","5","1","2","1") = "6"
    & skf21("7","5","3","6","5","1","3","1") = "6"
    & skf21("7","5","3","6","5","1","4","1") = "6"
    & skf21("7","5","3","6","5","1","5","1") = "6"
    & skf21("7","5","3","6","5","1","6","1") = "6"
    & skf21("7","5","3","6","5","1","7","1") = "6"
    & skf21("7","5","3","6","5","2","1","1") = "6"
    & skf21("7","5","3","6","5","2","2","1") = "6"
    & skf21("7","5","3","6","5","2","3","1") = "6"
    & skf21("7","5","3","6","5","2","4","1") = "6"
    & skf21("7","5","3","6","5","2","5","1") = "6"
    & skf21("7","5","3","6","5","2","6","1") = "6"
    & skf21("7","5","3","6","5","2","7","1") = "6"
    & skf21("7","5","3","6","5","3","1","1") = "6"
    & skf21("7","5","3","6","5","3","2","1") = "6"
    & skf21("7","5","3","6","5","3","3","1") = "6"
    & skf21("7","5","3","6","5","3","4","1") = "6"
    & skf21("7","5","3","6","5","3","5","1") = "6"
    & skf21("7","5","3","6","5","3","6","1") = "6"
    & skf21("7","5","3","6","5","3","7","1") = "6"
    & skf21("7","5","3","6","5","4","1","1") = "6"
    & skf21("7","5","3","6","5","4","2","1") = "6"
    & skf21("7","5","3","6","5","4","3","1") = "6"
    & skf21("7","5","3","6","5","4","4","1") = "6"
    & skf21("7","5","3","6","5","4","5","1") = "6"
    & skf21("7","5","3","6","5","4","6","1") = "6"
    & skf21("7","5","3","6","5","4","7","1") = "6"
    & skf21("7","5","3","6","5","5","1","1") = "6"
    & skf21("7","5","3","6","5","5","2","1") = "6"
    & skf21("7","5","3","6","5","5","3","1") = "6"
    & skf21("7","5","3","6","5","5","4","1") = "6"
    & skf21("7","5","3","6","5","5","5","1") = "6"
    & skf21("7","5","3","6","5","5","6","1") = "6"
    & skf21("7","5","3","6","5","5","7","1") = "6"
    & skf21("7","5","3","6","5","6","1","1") = "6"
    & skf21("7","5","3","6","5","6","2","1") = "6"
    & skf21("7","5","3","6","5","6","3","1") = "6"
    & skf21("7","5","3","6","5","6","4","1") = "6"
    & skf21("7","5","3","6","5","6","5","1") = "6"
    & skf21("7","5","3","6","5","6","6","1") = "6"
    & skf21("7","5","3","6","5","6","7","1") = "6"
    & skf21("7","5","3","6","5","7","1","1") = "6"
    & skf21("7","5","3","6","5","7","2","1") = "6"
    & skf21("7","5","3","6","5","7","3","1") = "6"
    & skf21("7","5","3","6","5","7","4","1") = "6"
    & skf21("7","5","3","6","5","7","5","1") = "6"
    & skf21("7","5","3","6","5","7","6","1") = "6"
    & skf21("7","5","3","6","5","7","7","1") = "6"
    & skf21("7","5","3","6","6","1","1","1") = "6"
    & skf21("7","5","3","6","6","1","2","1") = "6"
    & skf21("7","5","3","6","6","1","3","1") = "6"
    & skf21("7","5","3","6","6","1","4","1") = "6"
    & skf21("7","5","3","6","6","1","5","1") = "6"
    & skf21("7","5","3","6","6","1","6","1") = "6"
    & skf21("7","5","3","6","6","1","7","1") = "6"
    & skf21("7","5","3","6","6","2","1","1") = "6"
    & skf21("7","5","3","6","6","2","2","1") = "6"
    & skf21("7","5","3","6","6","2","3","1") = "6"
    & skf21("7","5","3","6","6","2","4","1") = "6"
    & skf21("7","5","3","6","6","2","5","1") = "6"
    & skf21("7","5","3","6","6","2","6","1") = "6"
    & skf21("7","5","3","6","6","2","7","1") = "6"
    & skf21("7","5","3","6","6","3","1","1") = "6"
    & skf21("7","5","3","6","6","3","2","1") = "6"
    & skf21("7","5","3","6","6","3","3","1") = "6"
    & skf21("7","5","3","6","6","3","4","1") = "6"
    & skf21("7","5","3","6","6","3","5","1") = "6"
    & skf21("7","5","3","6","6","3","6","1") = "6"
    & skf21("7","5","3","6","6","3","7","1") = "6"
    & skf21("7","5","3","6","6","4","1","1") = "6"
    & skf21("7","5","3","6","6","4","2","1") = "6"
    & skf21("7","5","3","6","6","4","3","1") = "6"
    & skf21("7","5","3","6","6","4","4","1") = "6"
    & skf21("7","5","3","6","6","4","5","1") = "6"
    & skf21("7","5","3","6","6","4","6","1") = "6"
    & skf21("7","5","3","6","6","4","7","1") = "6"
    & skf21("7","5","3","6","6","5","1","1") = "6"
    & skf21("7","5","3","6","6","5","2","1") = "6"
    & skf21("7","5","3","6","6","5","3","1") = "6"
    & skf21("7","5","3","6","6","5","4","1") = "6"
    & skf21("7","5","3","6","6","5","5","1") = "6"
    & skf21("7","5","3","6","6","5","6","1") = "6"
    & skf21("7","5","3","6","6","5","7","1") = "6"
    & skf21("7","5","3","6","6","6","1","1") = "6"
    & skf21("7","5","3","6","6","6","2","1") = "6"
    & skf21("7","5","3","6","6","6","3","1") = "6"
    & skf21("7","5","3","6","6","6","4","1") = "6"
    & skf21("7","5","3","6","6","6","5","1") = "6"
    & skf21("7","5","3","6","6","6","6","1") = "6"
    & skf21("7","5","3","6","6","6","7","1") = "6"
    & skf21("7","5","3","6","6","7","1","1") = "6"
    & skf21("7","5","3","6","6","7","2","1") = "6"
    & skf21("7","5","3","6","6","7","3","1") = "6"
    & skf21("7","5","3","6","6","7","4","1") = "6"
    & skf21("7","5","3","6","6","7","5","1") = "6"
    & skf21("7","5","3","6","6","7","6","1") = "6"
    & skf21("7","5","3","6","6","7","7","1") = "6"
    & skf21("7","5","3","6","7","1","1","1") = "6"
    & skf21("7","5","3","6","7","1","2","1") = "6"
    & skf21("7","5","3","6","7","1","3","1") = "6"
    & skf21("7","5","3","6","7","1","4","1") = "6"
    & skf21("7","5","3","6","7","1","5","1") = "6"
    & skf21("7","5","3","6","7","1","6","1") = "6"
    & skf21("7","5","3","6","7","1","7","1") = "6"
    & skf21("7","5","3","6","7","2","1","1") = "6"
    & skf21("7","5","3","6","7","2","2","1") = "6"
    & skf21("7","5","3","6","7","2","3","1") = "6"
    & skf21("7","5","3","6","7","2","4","1") = "6"
    & skf21("7","5","3","6","7","2","5","1") = "6"
    & skf21("7","5","3","6","7","2","6","1") = "6"
    & skf21("7","5","3","6","7","2","7","1") = "6"
    & skf21("7","5","3","6","7","3","1","1") = "6"
    & skf21("7","5","3","6","7","3","2","1") = "6"
    & skf21("7","5","3","6","7","3","3","1") = "6"
    & skf21("7","5","3","6","7","3","4","1") = "6"
    & skf21("7","5","3","6","7","3","5","1") = "6"
    & skf21("7","5","3","6","7","3","6","1") = "6"
    & skf21("7","5","3","6","7","3","7","1") = "6"
    & skf21("7","5","3","6","7","4","1","1") = "6"
    & skf21("7","5","3","6","7","4","2","1") = "6"
    & skf21("7","5","3","6","7","4","3","1") = "6"
    & skf21("7","5","3","6","7","4","4","1") = "6"
    & skf21("7","5","3","6","7","4","5","1") = "6"
    & skf21("7","5","3","6","7","4","6","1") = "6"
    & skf21("7","5","3","6","7","4","7","1") = "6"
    & skf21("7","5","3","6","7","5","1","1") = "6"
    & skf21("7","5","3","6","7","5","2","1") = "6"
    & skf21("7","5","3","6","7","5","3","1") = "6"
    & skf21("7","5","3","6","7","5","4","1") = "6"
    & skf21("7","5","3","6","7","5","5","1") = "6"
    & skf21("7","5","3","6","7","5","6","1") = "6"
    & skf21("7","5","3","6","7","5","7","1") = "6"
    & skf21("7","5","3","6","7","6","1","1") = "6"
    & skf21("7","5","3","6","7","6","2","1") = "6"
    & skf21("7","5","3","6","7","6","3","1") = "6"
    & skf21("7","5","3","6","7","6","4","1") = "6"
    & skf21("7","5","3","6","7","6","5","1") = "6"
    & skf21("7","5","3","6","7","6","6","1") = "6"
    & skf21("7","5","3","6","7","6","7","1") = "6"
    & skf21("7","5","3","6","7","7","1","1") = "6"
    & skf21("7","5","3","6","7","7","2","1") = "6"
    & skf21("7","5","3","6","7","7","3","1") = "6"
    & skf21("7","5","3","6","7","7","4","1") = "6"
    & skf21("7","5","3","6","7","7","5","1") = "6"
    & skf21("7","5","3","6","7","7","6","1") = "6"
    & skf21("7","5","3","6","7","7","7","1") = "6"
    & skf21("7","5","3","7","1","1","1","1") = "6"
    & skf21("7","5","3","7","1","1","2","1") = "6"
    & skf21("7","5","3","7","1","1","3","1") = "6"
    & skf21("7","5","3","7","1","1","4","1") = "6"
    & skf21("7","5","3","7","1","1","5","1") = "6"
    & skf21("7","5","3","7","1","1","6","1") = "6"
    & skf21("7","5","3","7","1","1","7","1") = "6"
    & skf21("7","5","3","7","1","2","1","1") = "6"
    & skf21("7","5","3","7","1","2","2","1") = "6"
    & skf21("7","5","3","7","1","2","3","1") = "6"
    & skf21("7","5","3","7","1","2","4","1") = "6"
    & skf21("7","5","3","7","1","2","5","1") = "6"
    & skf21("7","5","3","7","1","2","6","1") = "6"
    & skf21("7","5","3","7","1","2","7","1") = "6"
    & skf21("7","5","3","7","1","3","1","1") = "6"
    & skf21("7","5","3","7","1","3","2","1") = "6"
    & skf21("7","5","3","7","1","3","3","1") = "6"
    & skf21("7","5","3","7","1","3","4","1") = "6"
    & skf21("7","5","3","7","1","3","5","1") = "6"
    & skf21("7","5","3","7","1","3","6","1") = "6"
    & skf21("7","5","3","7","1","3","7","1") = "6"
    & skf21("7","5","3","7","1","4","1","1") = "6"
    & skf21("7","5","3","7","1","4","2","1") = "6"
    & skf21("7","5","3","7","1","4","3","1") = "6"
    & skf21("7","5","3","7","1","4","4","1") = "6"
    & skf21("7","5","3","7","1","4","5","1") = "6"
    & skf21("7","5","3","7","1","4","6","1") = "6"
    & skf21("7","5","3","7","1","4","7","1") = "6"
    & skf21("7","5","3","7","1","5","1","1") = "6"
    & skf21("7","5","3","7","1","5","2","1") = "6"
    & skf21("7","5","3","7","1","5","3","1") = "6"
    & skf21("7","5","3","7","1","5","4","1") = "6"
    & skf21("7","5","3","7","1","5","5","1") = "6"
    & skf21("7","5","3","7","1","5","6","1") = "6"
    & skf21("7","5","3","7","1","5","7","1") = "6"
    & skf21("7","5","3","7","1","6","1","1") = "6"
    & skf21("7","5","3","7","1","6","2","1") = "6"
    & skf21("7","5","3","7","1","6","3","1") = "6"
    & skf21("7","5","3","7","1","6","4","1") = "6"
    & skf21("7","5","3","7","1","6","5","1") = "6"
    & skf21("7","5","3","7","1","6","6","1") = "6"
    & skf21("7","5","3","7","1","6","7","1") = "6"
    & skf21("7","5","3","7","1","7","1","1") = "6"
    & skf21("7","5","3","7","1","7","2","1") = "6"
    & skf21("7","5","3","7","1","7","3","1") = "6"
    & skf21("7","5","3","7","1","7","4","1") = "6"
    & skf21("7","5","3","7","1","7","5","1") = "6"
    & skf21("7","5","3","7","1","7","6","1") = "6"
    & skf21("7","5","3","7","1","7","7","1") = "6"
    & skf21("7","5","3","7","2","1","1","1") = "6"
    & skf21("7","5","3","7","2","1","2","1") = "6"
    & skf21("7","5","3","7","2","1","3","1") = "6"
    & skf21("7","5","3","7","2","1","4","1") = "6"
    & skf21("7","5","3","7","2","1","5","1") = "6"
    & skf21("7","5","3","7","2","1","6","1") = "6"
    & skf21("7","5","3","7","2","1","7","1") = "6"
    & skf21("7","5","3","7","2","2","1","1") = "6"
    & skf21("7","5","3","7","2","2","2","1") = "6"
    & skf21("7","5","3","7","2","2","3","1") = "6"
    & skf21("7","5","3","7","2","2","4","1") = "6"
    & skf21("7","5","3","7","2","2","5","1") = "6"
    & skf21("7","5","3","7","2","2","6","1") = "6"
    & skf21("7","5","3","7","2","2","7","1") = "6"
    & skf21("7","5","3","7","2","3","1","1") = "6"
    & skf21("7","5","3","7","2","3","2","1") = "6"
    & skf21("7","5","3","7","2","3","3","1") = "6"
    & skf21("7","5","3","7","2","3","4","1") = "6"
    & skf21("7","5","3","7","2","3","5","1") = "6"
    & skf21("7","5","3","7","2","3","6","1") = "6"
    & skf21("7","5","3","7","2","3","7","1") = "6"
    & skf21("7","5","3","7","2","4","1","1") = "6"
    & skf21("7","5","3","7","2","4","2","1") = "6"
    & skf21("7","5","3","7","2","4","3","1") = "6"
    & skf21("7","5","3","7","2","4","4","1") = "6"
    & skf21("7","5","3","7","2","4","5","1") = "6"
    & skf21("7","5","3","7","2","4","6","1") = "6"
    & skf21("7","5","3","7","2","4","7","1") = "6"
    & skf21("7","5","3","7","2","5","1","1") = "6"
    & skf21("7","5","3","7","2","5","2","1") = "6"
    & skf21("7","5","3","7","2","5","3","1") = "6"
    & skf21("7","5","3","7","2","5","4","1") = "6"
    & skf21("7","5","3","7","2","5","5","1") = "6"
    & skf21("7","5","3","7","2","5","6","1") = "6"
    & skf21("7","5","3","7","2","5","7","1") = "6"
    & skf21("7","5","3","7","2","6","1","1") = "6"
    & skf21("7","5","3","7","2","6","2","1") = "6"
    & skf21("7","5","3","7","2","6","3","1") = "6"
    & skf21("7","5","3","7","2","6","4","1") = "6"
    & skf21("7","5","3","7","2","6","5","1") = "6"
    & skf21("7","5","3","7","2","6","6","1") = "6"
    & skf21("7","5","3","7","2","6","7","1") = "6"
    & skf21("7","5","3","7","2","7","1","1") = "6"
    & skf21("7","5","3","7","2","7","2","1") = "6"
    & skf21("7","5","3","7","2","7","3","1") = "6"
    & skf21("7","5","3","7","2","7","4","1") = "6"
    & skf21("7","5","3","7","2","7","5","1") = "6"
    & skf21("7","5","3","7","2","7","6","1") = "6"
    & skf21("7","5","3","7","2","7","7","1") = "6"
    & skf21("7","5","3","7","3","1","1","1") = "6"
    & skf21("7","5","3","7","3","1","2","1") = "6"
    & skf21("7","5","3","7","3","1","3","1") = "6"
    & skf21("7","5","3","7","3","1","4","1") = "6"
    & skf21("7","5","3","7","3","1","5","1") = "6"
    & skf21("7","5","3","7","3","1","6","1") = "6"
    & skf21("7","5","3","7","3","1","7","1") = "6"
    & skf21("7","5","3","7","3","2","1","1") = "6"
    & skf21("7","5","3","7","3","2","2","1") = "6"
    & skf21("7","5","3","7","3","2","3","1") = "6"
    & skf21("7","5","3","7","3","2","4","1") = "6"
    & skf21("7","5","3","7","3","2","5","1") = "6"
    & skf21("7","5","3","7","3","2","6","1") = "6"
    & skf21("7","5","3","7","3","2","7","1") = "6"
    & skf21("7","5","3","7","3","3","1","1") = "6"
    & skf21("7","5","3","7","3","3","2","1") = "6"
    & skf21("7","5","3","7","3","3","3","1") = "6"
    & skf21("7","5","3","7","3","3","4","1") = "6"
    & skf21("7","5","3","7","3","3","5","1") = "6"
    & skf21("7","5","3","7","3","3","6","1") = "6"
    & skf21("7","5","3","7","3","3","7","1") = "6"
    & skf21("7","5","3","7","3","4","1","1") = "6"
    & skf21("7","5","3","7","3","4","2","1") = "6"
    & skf21("7","5","3","7","3","4","3","1") = "6"
    & skf21("7","5","3","7","3","4","4","1") = "6"
    & skf21("7","5","3","7","3","4","5","1") = "6"
    & skf21("7","5","3","7","3","4","6","1") = "6"
    & skf21("7","5","3","7","3","4","7","1") = "6"
    & skf21("7","5","3","7","3","5","1","1") = "6"
    & skf21("7","5","3","7","3","5","2","1") = "6"
    & skf21("7","5","3","7","3","5","3","1") = "6"
    & skf21("7","5","3","7","3","5","4","1") = "6"
    & skf21("7","5","3","7","3","5","5","1") = "6"
    & skf21("7","5","3","7","3","5","6","1") = "6"
    & skf21("7","5","3","7","3","5","7","1") = "6"
    & skf21("7","5","3","7","3","6","1","1") = "6"
    & skf21("7","5","3","7","3","6","2","1") = "6"
    & skf21("7","5","3","7","3","6","3","1") = "6"
    & skf21("7","5","3","7","3","6","4","1") = "6"
    & skf21("7","5","3","7","3","6","5","1") = "6"
    & skf21("7","5","3","7","3","6","6","1") = "6"
    & skf21("7","5","3","7","3","6","7","1") = "6"
    & skf21("7","5","3","7","3","7","1","1") = "6"
    & skf21("7","5","3","7","3","7","2","1") = "6"
    & skf21("7","5","3","7","3","7","3","1") = "6"
    & skf21("7","5","3","7","3","7","4","1") = "6"
    & skf21("7","5","3","7","3","7","5","1") = "6"
    & skf21("7","5","3","7","3","7","6","1") = "6"
    & skf21("7","5","3","7","3","7","7","1") = "6"
    & skf21("7","5","3","7","4","1","1","1") = "6"
    & skf21("7","5","3","7","4","1","2","1") = "6"
    & skf21("7","5","3","7","4","1","3","1") = "6"
    & skf21("7","5","3","7","4","1","4","1") = "6"
    & skf21("7","5","3","7","4","1","5","1") = "6"
    & skf21("7","5","3","7","4","1","6","1") = "6"
    & skf21("7","5","3","7","4","1","7","1") = "6"
    & skf21("7","5","3","7","4","2","1","1") = "6"
    & skf21("7","5","3","7","4","2","2","1") = "6"
    & skf21("7","5","3","7","4","2","3","1") = "6"
    & skf21("7","5","3","7","4","2","4","1") = "6"
    & skf21("7","5","3","7","4","2","5","1") = "6"
    & skf21("7","5","3","7","4","2","6","1") = "6"
    & skf21("7","5","3","7","4","2","7","1") = "6"
    & skf21("7","5","3","7","4","3","1","1") = "6"
    & skf21("7","5","3","7","4","3","2","1") = "6"
    & skf21("7","5","3","7","4","3","3","1") = "6"
    & skf21("7","5","3","7","4","3","4","1") = "6"
    & skf21("7","5","3","7","4","3","5","1") = "6"
    & skf21("7","5","3","7","4","3","6","1") = "6"
    & skf21("7","5","3","7","4","3","7","1") = "6"
    & skf21("7","5","3","7","4","4","1","1") = "6"
    & skf21("7","5","3","7","4","4","2","1") = "6"
    & skf21("7","5","3","7","4","4","3","1") = "6"
    & skf21("7","5","3","7","4","4","4","1") = "6"
    & skf21("7","5","3","7","4","4","5","1") = "6"
    & skf21("7","5","3","7","4","4","6","1") = "6"
    & skf21("7","5","3","7","4","4","7","1") = "6"
    & skf21("7","5","3","7","4","5","1","1") = "6"
    & skf21("7","5","3","7","4","5","2","1") = "6"
    & skf21("7","5","3","7","4","5","3","1") = "6"
    & skf21("7","5","3","7","4","5","4","1") = "6"
    & skf21("7","5","3","7","4","5","5","1") = "6"
    & skf21("7","5","3","7","4","5","6","1") = "6"
    & skf21("7","5","3","7","4","5","7","1") = "6"
    & skf21("7","5","3","7","4","6","1","1") = "6"
    & skf21("7","5","3","7","4","6","2","1") = "6"
    & skf21("7","5","3","7","4","6","3","1") = "6"
    & skf21("7","5","3","7","4","6","4","1") = "6"
    & skf21("7","5","3","7","4","6","5","1") = "6"
    & skf21("7","5","3","7","4","6","6","1") = "6"
    & skf21("7","5","3","7","4","6","7","1") = "6"
    & skf21("7","5","3","7","4","7","1","1") = "6"
    & skf21("7","5","3","7","4","7","2","1") = "6"
    & skf21("7","5","3","7","4","7","3","1") = "6"
    & skf21("7","5","3","7","4","7","4","1") = "6"
    & skf21("7","5","3","7","4","7","5","1") = "6"
    & skf21("7","5","3","7","4","7","6","1") = "6"
    & skf21("7","5","3","7","4","7","7","1") = "6"
    & skf21("7","5","3","7","5","1","1","1") = "6"
    & skf21("7","5","3","7","5","1","2","1") = "6"
    & skf21("7","5","3","7","5","1","3","1") = "6"
    & skf21("7","5","3","7","5","1","4","1") = "6"
    & skf21("7","5","3","7","5","1","5","1") = "6"
    & skf21("7","5","3","7","5","1","6","1") = "6"
    & skf21("7","5","3","7","5","1","7","1") = "6"
    & skf21("7","5","3","7","5","2","1","1") = "6"
    & skf21("7","5","3","7","5","2","2","1") = "6"
    & skf21("7","5","3","7","5","2","3","1") = "6"
    & skf21("7","5","3","7","5","2","4","1") = "6"
    & skf21("7","5","3","7","5","2","5","1") = "6"
    & skf21("7","5","3","7","5","2","6","1") = "6"
    & skf21("7","5","3","7","5","2","7","1") = "6"
    & skf21("7","5","3","7","5","3","1","1") = "6"
    & skf21("7","5","3","7","5","3","2","1") = "6"
    & skf21("7","5","3","7","5","3","3","1") = "6"
    & skf21("7","5","3","7","5","3","4","1") = "6"
    & skf21("7","5","3","7","5","3","5","1") = "6"
    & skf21("7","5","3","7","5","3","6","1") = "6"
    & skf21("7","5","3","7","5","3","7","1") = "6"
    & skf21("7","5","3","7","5","4","1","1") = "6"
    & skf21("7","5","3","7","5","4","2","1") = "6"
    & skf21("7","5","3","7","5","4","3","1") = "6"
    & skf21("7","5","3","7","5","4","4","1") = "6"
    & skf21("7","5","3","7","5","4","5","1") = "6"
    & skf21("7","5","3","7","5","4","6","1") = "6"
    & skf21("7","5","3","7","5","4","7","1") = "6"
    & skf21("7","5","3","7","5","5","1","1") = "6"
    & skf21("7","5","3","7","5","5","2","1") = "6"
    & skf21("7","5","3","7","5","5","3","1") = "6"
    & skf21("7","5","3","7","5","5","4","1") = "6"
    & skf21("7","5","3","7","5","5","5","1") = "6"
    & skf21("7","5","3","7","5","5","6","1") = "6"
    & skf21("7","5","3","7","5","5","7","1") = "6"
    & skf21("7","5","3","7","5","6","1","1") = "6"
    & skf21("7","5","3","7","5","6","2","1") = "6"
    & skf21("7","5","3","7","5","6","3","1") = "6"
    & skf21("7","5","3","7","5","6","4","1") = "6"
    & skf21("7","5","3","7","5","6","5","1") = "6"
    & skf21("7","5","3","7","5","6","6","1") = "6"
    & skf21("7","5","3","7","5","6","7","1") = "6"
    & skf21("7","5","3","7","5","7","1","1") = "6"
    & skf21("7","5","3","7","5","7","2","1") = "6"
    & skf21("7","5","3","7","5","7","3","1") = "6"
    & skf21("7","5","3","7","5","7","4","1") = "6"
    & skf21("7","5","3","7","5","7","5","1") = "6"
    & skf21("7","5","3","7","5","7","6","1") = "6"
    & skf21("7","5","3","7","5","7","7","1") = "6"
    & skf21("7","5","3","7","6","1","1","1") = "6"
    & skf21("7","5","3","7","6","1","2","1") = "6"
    & skf21("7","5","3","7","6","1","3","1") = "6"
    & skf21("7","5","3","7","6","1","4","1") = "6"
    & skf21("7","5","3","7","6","1","5","1") = "6"
    & skf21("7","5","3","7","6","1","6","1") = "6"
    & skf21("7","5","3","7","6","1","7","1") = "6"
    & skf21("7","5","3","7","6","2","1","1") = "6"
    & skf21("7","5","3","7","6","2","2","1") = "6"
    & skf21("7","5","3","7","6","2","3","1") = "6"
    & skf21("7","5","3","7","6","2","4","1") = "6"
    & skf21("7","5","3","7","6","2","5","1") = "6"
    & skf21("7","5","3","7","6","2","6","1") = "6"
    & skf21("7","5","3","7","6","2","7","1") = "6"
    & skf21("7","5","3","7","6","3","1","1") = "6"
    & skf21("7","5","3","7","6","3","2","1") = "6"
    & skf21("7","5","3","7","6","3","3","1") = "6"
    & skf21("7","5","3","7","6","3","4","1") = "6"
    & skf21("7","5","3","7","6","3","5","1") = "6"
    & skf21("7","5","3","7","6","3","6","1") = "6"
    & skf21("7","5","3","7","6","3","7","1") = "6"
    & skf21("7","5","3","7","6","4","1","1") = "6"
    & skf21("7","5","3","7","6","4","2","1") = "6"
    & skf21("7","5","3","7","6","4","3","1") = "6"
    & skf21("7","5","3","7","6","4","4","1") = "6"
    & skf21("7","5","3","7","6","4","5","1") = "6"
    & skf21("7","5","3","7","6","4","6","1") = "6"
    & skf21("7","5","3","7","6","4","7","1") = "6"
    & skf21("7","5","3","7","6","5","1","1") = "6"
    & skf21("7","5","3","7","6","5","2","1") = "6"
    & skf21("7","5","3","7","6","5","3","1") = "6"
    & skf21("7","5","3","7","6","5","4","1") = "6"
    & skf21("7","5","3","7","6","5","5","1") = "6"
    & skf21("7","5","3","7","6","5","6","1") = "6"
    & skf21("7","5","3","7","6","5","7","1") = "6"
    & skf21("7","5","3","7","6","6","1","1") = "6"
    & skf21("7","5","3","7","6","6","2","1") = "6"
    & skf21("7","5","3","7","6","6","3","1") = "6"
    & skf21("7","5","3","7","6","6","4","1") = "6"
    & skf21("7","5","3","7","6","6","5","1") = "6"
    & skf21("7","5","3","7","6","6","6","1") = "6"
    & skf21("7","5","3","7","6","6","7","1") = "6"
    & skf21("7","5","3","7","6","7","1","1") = "6"
    & skf21("7","5","3","7","6","7","2","1") = "6"
    & skf21("7","5","3","7","6","7","3","1") = "6"
    & skf21("7","5","3","7","6","7","4","1") = "6"
    & skf21("7","5","3","7","6","7","5","1") = "6"
    & skf21("7","5","3","7","6","7","6","1") = "6"
    & skf21("7","5","3","7","6","7","7","1") = "6"
    & skf21("7","5","3","7","7","1","1","1") = "6"
    & skf21("7","5","3","7","7","1","2","1") = "6"
    & skf21("7","5","3","7","7","1","3","1") = "6"
    & skf21("7","5","3","7","7","1","4","1") = "6"
    & skf21("7","5","3","7","7","1","5","1") = "6"
    & skf21("7","5","3","7","7","1","6","1") = "6"
    & skf21("7","5","3","7","7","1","7","1") = "6"
    & skf21("7","5","3","7","7","2","1","1") = "6"
    & skf21("7","5","3","7","7","2","2","1") = "6"
    & skf21("7","5","3","7","7","2","3","1") = "6"
    & skf21("7","5","3","7","7","2","4","1") = "6"
    & skf21("7","5","3","7","7","2","5","1") = "6"
    & skf21("7","5","3","7","7","2","6","1") = "6"
    & skf21("7","5","3","7","7","2","7","1") = "6"
    & skf21("7","5","3","7","7","3","1","1") = "6"
    & skf21("7","5","3","7","7","3","2","1") = "6"
    & skf21("7","5","3","7","7","3","3","1") = "6"
    & skf21("7","5","3","7","7","3","4","1") = "6"
    & skf21("7","5","3","7","7","3","5","1") = "6"
    & skf21("7","5","3","7","7","3","6","1") = "6"
    & skf21("7","5","3","7","7","3","7","1") = "6"
    & skf21("7","5","3","7","7","4","1","1") = "6"
    & skf21("7","5","3","7","7","4","2","1") = "6"
    & skf21("7","5","3","7","7","4","3","1") = "6"
    & skf21("7","5","3","7","7","4","4","1") = "6"
    & skf21("7","5","3","7","7","4","5","1") = "6"
    & skf21("7","5","3","7","7","4","6","1") = "6"
    & skf21("7","5","3","7","7","4","7","1") = "6"
    & skf21("7","5","3","7","7","5","1","1") = "6"
    & skf21("7","5","3","7","7","5","2","1") = "6"
    & skf21("7","5","3","7","7","5","3","1") = "6"
    & skf21("7","5","3","7","7","5","4","1") = "6"
    & skf21("7","5","3","7","7","5","5","1") = "6"
    & skf21("7","5","3","7","7","5","6","1") = "6"
    & skf21("7","5","3","7","7","5","7","1") = "6"
    & skf21("7","5","3","7","7","6","1","1") = "6"
    & skf21("7","5","3","7","7","6","2","1") = "6"
    & skf21("7","5","3","7","7","6","3","1") = "6"
    & skf21("7","5","3","7","7","6","4","1") = "6"
    & skf21("7","5","3","7","7","6","5","1") = "6"
    & skf21("7","5","3","7","7","6","6","1") = "6"
    & skf21("7","5","3","7","7","6","7","1") = "6"
    & skf21("7","5","3","7","7","7","1","1") = "6"
    & skf21("7","5","3","7","7","7","2","1") = "6"
    & skf21("7","5","3","7","7","7","3","1") = "6"
    & skf21("7","5","3","7","7","7","4","1") = "6"
    & skf21("7","5","3","7","7","7","5","1") = "6"
    & skf21("7","5","3","7","7","7","6","1") = "6"
    & skf21("7","5","3","7","7","7","7","1") = "6"
    & skf21("7","5","4","1","1","1","1","1") = "6"
    & skf21("7","5","4","1","1","1","2","1") = "6"
    & skf21("7","5","4","1","1","1","3","1") = "6"
    & skf21("7","5","4","1","1","1","4","1") = "6"
    & skf21("7","5","4","1","1","1","5","1") = "6"
    & skf21("7","5","4","1","1","1","6","1") = "6"
    & skf21("7","5","4","1","1","1","7","1") = "6"
    & skf21("7","5","4","1","1","2","1","1") = "6"
    & skf21("7","5","4","1","1","2","2","1") = "6"
    & skf21("7","5","4","1","1","2","3","1") = "6"
    & skf21("7","5","4","1","1","2","4","1") = "6"
    & skf21("7","5","4","1","1","2","5","1") = "6"
    & skf21("7","5","4","1","1","2","6","1") = "6"
    & skf21("7","5","4","1","1","2","7","1") = "6"
    & skf21("7","5","4","1","1","3","1","1") = "6"
    & skf21("7","5","4","1","1","3","2","1") = "6"
    & skf21("7","5","4","1","1","3","3","1") = "6"
    & skf21("7","5","4","1","1","3","4","1") = "6"
    & skf21("7","5","4","1","1","3","5","1") = "6"
    & skf21("7","5","4","1","1","3","6","1") = "6"
    & skf21("7","5","4","1","1","3","7","1") = "6"
    & skf21("7","5","4","1","1","4","1","1") = "6"
    & skf21("7","5","4","1","1","4","2","1") = "6"
    & skf21("7","5","4","1","1","4","3","1") = "6"
    & skf21("7","5","4","1","1","4","4","1") = "6"
    & skf21("7","5","4","1","1","4","5","1") = "6"
    & skf21("7","5","4","1","1","4","6","1") = "6"
    & skf21("7","5","4","1","1","4","7","1") = "6"
    & skf21("7","5","4","1","1","5","1","1") = "6"
    & skf21("7","5","4","1","1","5","2","1") = "6"
    & skf21("7","5","4","1","1","5","3","1") = "6"
    & skf21("7","5","4","1","1","5","4","1") = "6"
    & skf21("7","5","4","1","1","5","5","1") = "6"
    & skf21("7","5","4","1","1","5","6","1") = "6"
    & skf21("7","5","4","1","1","5","7","1") = "6"
    & skf21("7","5","4","1","1","6","1","1") = "6"
    & skf21("7","5","4","1","1","6","2","1") = "6"
    & skf21("7","5","4","1","1","6","3","1") = "6"
    & skf21("7","5","4","1","1","6","4","1") = "6"
    & skf21("7","5","4","1","1","6","5","1") = "6"
    & skf21("7","5","4","1","1","6","6","1") = "6"
    & skf21("7","5","4","1","1","6","7","1") = "6"
    & skf21("7","5","4","1","1","7","1","1") = "6"
    & skf21("7","5","4","1","1","7","2","1") = "6"
    & skf21("7","5","4","1","1","7","3","1") = "6"
    & skf21("7","5","4","1","1","7","4","1") = "6"
    & skf21("7","5","4","1","1","7","5","1") = "6"
    & skf21("7","5","4","1","1","7","6","1") = "6"
    & skf21("7","5","4","1","1","7","7","1") = "6"
    & skf21("7","5","4","1","2","1","1","1") = "6"
    & skf21("7","5","4","1","2","1","2","1") = "6"
    & skf21("7","5","4","1","2","1","3","1") = "6"
    & skf21("7","5","4","1","2","1","4","1") = "6"
    & skf21("7","5","4","1","2","1","5","1") = "6"
    & skf21("7","5","4","1","2","1","6","1") = "6"
    & skf21("7","5","4","1","2","1","7","1") = "6"
    & skf21("7","5","4","1","2","2","1","1") = "6"
    & skf21("7","5","4","1","2","2","2","1") = "6"
    & skf21("7","5","4","1","2","2","3","1") = "6"
    & skf21("7","5","4","1","2","2","4","1") = "6"
    & skf21("7","5","4","1","2","2","5","1") = "6"
    & skf21("7","5","4","1","2","2","6","1") = "6"
    & skf21("7","5","4","1","2","2","7","1") = "6"
    & skf21("7","5","4","1","2","3","1","1") = "6"
    & skf21("7","5","4","1","2","3","2","1") = "6"
    & skf21("7","5","4","1","2","3","3","1") = "6"
    & skf21("7","5","4","1","2","3","4","1") = "6"
    & skf21("7","5","4","1","2","3","5","1") = "6"
    & skf21("7","5","4","1","2","3","6","1") = "6"
    & skf21("7","5","4","1","2","3","7","1") = "6"
    & skf21("7","5","4","1","2","4","1","1") = "6"
    & skf21("7","5","4","1","2","4","2","1") = "6"
    & skf21("7","5","4","1","2","4","3","1") = "6"
    & skf21("7","5","4","1","2","4","4","1") = "6"
    & skf21("7","5","4","1","2","4","5","1") = "6"
    & skf21("7","5","4","1","2","4","6","1") = "6"
    & skf21("7","5","4","1","2","4","7","1") = "6"
    & skf21("7","5","4","1","2","5","1","1") = "6"
    & skf21("7","5","4","1","2","5","2","1") = "6"
    & skf21("7","5","4","1","2","5","3","1") = "6"
    & skf21("7","5","4","1","2","5","4","1") = "6"
    & skf21("7","5","4","1","2","5","5","1") = "6"
    & skf21("7","5","4","1","2","5","6","1") = "6"
    & skf21("7","5","4","1","2","5","7","1") = "6"
    & skf21("7","5","4","1","2","6","1","1") = "6"
    & skf21("7","5","4","1","2","6","2","1") = "6"
    & skf21("7","5","4","1","2","6","3","1") = "6"
    & skf21("7","5","4","1","2","6","4","1") = "6"
    & skf21("7","5","4","1","2","6","5","1") = "6"
    & skf21("7","5","4","1","2","6","6","1") = "6"
    & skf21("7","5","4","1","2","6","7","1") = "6"
    & skf21("7","5","4","1","2","7","1","1") = "6"
    & skf21("7","5","4","1","2","7","2","1") = "6"
    & skf21("7","5","4","1","2","7","3","1") = "6"
    & skf21("7","5","4","1","2","7","4","1") = "6"
    & skf21("7","5","4","1","2","7","5","1") = "6"
    & skf21("7","5","4","1","2","7","6","1") = "6"
    & skf21("7","5","4","1","2","7","7","1") = "6"
    & skf21("7","5","4","1","3","1","1","1") = "6"
    & skf21("7","5","4","1","3","1","2","1") = "6"
    & skf21("7","5","4","1","3","1","3","1") = "6"
    & skf21("7","5","4","1","3","1","4","1") = "6"
    & skf21("7","5","4","1","3","1","5","1") = "6"
    & skf21("7","5","4","1","3","1","6","1") = "6"
    & skf21("7","5","4","1","3","1","7","1") = "6"
    & skf21("7","5","4","1","3","2","1","1") = "6"
    & skf21("7","5","4","1","3","2","2","1") = "6"
    & skf21("7","5","4","1","3","2","3","1") = "6"
    & skf21("7","5","4","1","3","2","4","1") = "6"
    & skf21("7","5","4","1","3","2","5","1") = "6"
    & skf21("7","5","4","1","3","2","6","1") = "6"
    & skf21("7","5","4","1","3","2","7","1") = "6"
    & skf21("7","5","4","1","3","3","1","1") = "6"
    & skf21("7","5","4","1","3","3","2","1") = "6"
    & skf21("7","5","4","1","3","3","3","1") = "6"
    & skf21("7","5","4","1","3","3","4","1") = "6"
    & skf21("7","5","4","1","3","3","5","1") = "6"
    & skf21("7","5","4","1","3","3","6","1") = "6"
    & skf21("7","5","4","1","3","3","7","1") = "6"
    & skf21("7","5","4","1","3","4","1","1") = "6"
    & skf21("7","5","4","1","3","4","2","1") = "6"
    & skf21("7","5","4","1","3","4","3","1") = "6"
    & skf21("7","5","4","1","3","4","4","1") = "6"
    & skf21("7","5","4","1","3","4","5","1") = "6"
    & skf21("7","5","4","1","3","4","6","1") = "6"
    & skf21("7","5","4","1","3","4","7","1") = "6"
    & skf21("7","5","4","1","3","5","1","1") = "6"
    & skf21("7","5","4","1","3","5","2","1") = "6"
    & skf21("7","5","4","1","3","5","3","1") = "6"
    & skf21("7","5","4","1","3","5","4","1") = "6"
    & skf21("7","5","4","1","3","5","5","1") = "6"
    & skf21("7","5","4","1","3","5","6","1") = "6"
    & skf21("7","5","4","1","3","5","7","1") = "6"
    & skf21("7","5","4","1","3","6","1","1") = "6"
    & skf21("7","5","4","1","3","6","2","1") = "6"
    & skf21("7","5","4","1","3","6","3","1") = "6"
    & skf21("7","5","4","1","3","6","4","1") = "6"
    & skf21("7","5","4","1","3","6","5","1") = "6"
    & skf21("7","5","4","1","3","6","6","1") = "6"
    & skf21("7","5","4","1","3","6","7","1") = "6"
    & skf21("7","5","4","1","3","7","1","1") = "6"
    & skf21("7","5","4","1","3","7","2","1") = "6"
    & skf21("7","5","4","1","3","7","3","1") = "6"
    & skf21("7","5","4","1","3","7","4","1") = "6"
    & skf21("7","5","4","1","3","7","5","1") = "6"
    & skf21("7","5","4","1","3","7","6","1") = "6"
    & skf21("7","5","4","1","3","7","7","1") = "6"
    & skf21("7","5","4","1","4","1","1","1") = "6"
    & skf21("7","5","4","1","4","1","2","1") = "6"
    & skf21("7","5","4","1","4","1","3","1") = "6"
    & skf21("7","5","4","1","4","1","4","1") = "6"
    & skf21("7","5","4","1","4","1","5","1") = "6"
    & skf21("7","5","4","1","4","1","6","1") = "6"
    & skf21("7","5","4","1","4","1","7","1") = "6"
    & skf21("7","5","4","1","4","2","1","1") = "6"
    & skf21("7","5","4","1","4","2","2","1") = "6"
    & skf21("7","5","4","1","4","2","3","1") = "6"
    & skf21("7","5","4","1","4","2","4","1") = "6"
    & skf21("7","5","4","1","4","2","5","1") = "6"
    & skf21("7","5","4","1","4","2","6","1") = "6"
    & skf21("7","5","4","1","4","2","7","1") = "6"
    & skf21("7","5","4","1","4","3","1","1") = "6"
    & skf21("7","5","4","1","4","3","2","1") = "6"
    & skf21("7","5","4","1","4","3","3","1") = "6"
    & skf21("7","5","4","1","4","3","4","1") = "6"
    & skf21("7","5","4","1","4","3","5","1") = "6"
    & skf21("7","5","4","1","4","3","6","1") = "6"
    & skf21("7","5","4","1","4","3","7","1") = "6"
    & skf21("7","5","4","1","4","4","1","1") = "6"
    & skf21("7","5","4","1","4","4","2","1") = "6"
    & skf21("7","5","4","1","4","4","3","1") = "6"
    & skf21("7","5","4","1","4","4","4","1") = "6"
    & skf21("7","5","4","1","4","4","5","1") = "6"
    & skf21("7","5","4","1","4","4","6","1") = "6"
    & skf21("7","5","4","1","4","4","7","1") = "6"
    & skf21("7","5","4","1","4","5","1","1") = "6"
    & skf21("7","5","4","1","4","5","2","1") = "6"
    & skf21("7","5","4","1","4","5","3","1") = "6"
    & skf21("7","5","4","1","4","5","4","1") = "6"
    & skf21("7","5","4","1","4","5","5","1") = "6"
    & skf21("7","5","4","1","4","5","6","1") = "6"
    & skf21("7","5","4","1","4","5","7","1") = "6"
    & skf21("7","5","4","1","4","6","1","1") = "6"
    & skf21("7","5","4","1","4","6","2","1") = "6"
    & skf21("7","5","4","1","4","6","3","1") = "6"
    & skf21("7","5","4","1","4","6","4","1") = "6"
    & skf21("7","5","4","1","4","6","5","1") = "6"
    & skf21("7","5","4","1","4","6","6","1") = "6"
    & skf21("7","5","4","1","4","6","7","1") = "6"
    & skf21("7","5","4","1","4","7","1","1") = "6"
    & skf21("7","5","4","1","4","7","2","1") = "6"
    & skf21("7","5","4","1","4","7","3","1") = "6"
    & skf21("7","5","4","1","4","7","4","1") = "6"
    & skf21("7","5","4","1","4","7","5","1") = "6"
    & skf21("7","5","4","1","4","7","6","1") = "6"
    & skf21("7","5","4","1","4","7","7","1") = "6"
    & skf21("7","5","4","1","5","1","1","1") = "6"
    & skf21("7","5","4","1","5","1","2","1") = "6"
    & skf21("7","5","4","1","5","1","3","1") = "6"
    & skf21("7","5","4","1","5","1","4","1") = "6"
    & skf21("7","5","4","1","5","1","5","1") = "6"
    & skf21("7","5","4","1","5","1","6","1") = "6"
    & skf21("7","5","4","1","5","1","7","1") = "6"
    & skf21("7","5","4","1","5","2","1","1") = "6"
    & skf21("7","5","4","1","5","2","2","1") = "6"
    & skf21("7","5","4","1","5","2","3","1") = "6"
    & skf21("7","5","4","1","5","2","4","1") = "6"
    & skf21("7","5","4","1","5","2","5","1") = "6"
    & skf21("7","5","4","1","5","2","6","1") = "6"
    & skf21("7","5","4","1","5","2","7","1") = "6"
    & skf21("7","5","4","1","5","3","1","1") = "6"
    & skf21("7","5","4","1","5","3","2","1") = "6"
    & skf21("7","5","4","1","5","3","3","1") = "6"
    & skf21("7","5","4","1","5","3","4","1") = "6"
    & skf21("7","5","4","1","5","3","5","1") = "6"
    & skf21("7","5","4","1","5","3","6","1") = "6"
    & skf21("7","5","4","1","5","3","7","1") = "6"
    & skf21("7","5","4","1","5","4","1","1") = "6"
    & skf21("7","5","4","1","5","4","2","1") = "6"
    & skf21("7","5","4","1","5","4","3","1") = "6"
    & skf21("7","5","4","1","5","4","4","1") = "6"
    & skf21("7","5","4","1","5","4","5","1") = "6"
    & skf21("7","5","4","1","5","4","6","1") = "6"
    & skf21("7","5","4","1","5","4","7","1") = "6"
    & skf21("7","5","4","1","5","5","1","1") = "6"
    & skf21("7","5","4","1","5","5","2","1") = "6"
    & skf21("7","5","4","1","5","5","3","1") = "6"
    & skf21("7","5","4","1","5","5","4","1") = "6"
    & skf21("7","5","4","1","5","5","5","1") = "6"
    & skf21("7","5","4","1","5","5","6","1") = "6"
    & skf21("7","5","4","1","5","5","7","1") = "6"
    & skf21("7","5","4","1","5","6","1","1") = "6"
    & skf21("7","5","4","1","5","6","2","1") = "6"
    & skf21("7","5","4","1","5","6","3","1") = "6"
    & skf21("7","5","4","1","5","6","4","1") = "6"
    & skf21("7","5","4","1","5","6","5","1") = "6"
    & skf21("7","5","4","1","5","6","6","1") = "6"
    & skf21("7","5","4","1","5","6","7","1") = "6"
    & skf21("7","5","4","1","5","7","1","1") = "6"
    & skf21("7","5","4","1","5","7","2","1") = "6"
    & skf21("7","5","4","1","5","7","3","1") = "6"
    & skf21("7","5","4","1","5","7","4","1") = "6"
    & skf21("7","5","4","1","5","7","5","1") = "6"
    & skf21("7","5","4","1","5","7","6","1") = "6"
    & skf21("7","5","4","1","5","7","7","1") = "6"
    & skf21("7","5","4","1","6","1","1","1") = "6"
    & skf21("7","5","4","1","6","1","2","1") = "6"
    & skf21("7","5","4","1","6","1","3","1") = "6"
    & skf21("7","5","4","1","6","1","4","1") = "6"
    & skf21("7","5","4","1","6","1","5","1") = "6"
    & skf21("7","5","4","1","6","1","6","1") = "6"
    & skf21("7","5","4","1","6","1","7","1") = "6"
    & skf21("7","5","4","1","6","2","1","1") = "6"
    & skf21("7","5","4","1","6","2","2","1") = "6"
    & skf21("7","5","4","1","6","2","3","1") = "6"
    & skf21("7","5","4","1","6","2","4","1") = "6"
    & skf21("7","5","4","1","6","2","5","1") = "6"
    & skf21("7","5","4","1","6","2","6","1") = "6"
    & skf21("7","5","4","1","6","2","7","1") = "6"
    & skf21("7","5","4","1","6","3","1","1") = "6"
    & skf21("7","5","4","1","6","3","2","1") = "6"
    & skf21("7","5","4","1","6","3","3","1") = "6"
    & skf21("7","5","4","1","6","3","4","1") = "6"
    & skf21("7","5","4","1","6","3","5","1") = "6"
    & skf21("7","5","4","1","6","3","6","1") = "6"
    & skf21("7","5","4","1","6","3","7","1") = "6"
    & skf21("7","5","4","1","6","4","1","1") = "6"
    & skf21("7","5","4","1","6","4","2","1") = "6"
    & skf21("7","5","4","1","6","4","3","1") = "6"
    & skf21("7","5","4","1","6","4","4","1") = "6"
    & skf21("7","5","4","1","6","4","5","1") = "6"
    & skf21("7","5","4","1","6","4","6","1") = "6"
    & skf21("7","5","4","1","6","4","7","1") = "6"
    & skf21("7","5","4","1","6","5","1","1") = "6"
    & skf21("7","5","4","1","6","5","2","1") = "6"
    & skf21("7","5","4","1","6","5","3","1") = "6"
    & skf21("7","5","4","1","6","5","4","1") = "6"
    & skf21("7","5","4","1","6","5","5","1") = "6"
    & skf21("7","5","4","1","6","5","6","1") = "6"
    & skf21("7","5","4","1","6","5","7","1") = "6"
    & skf21("7","5","4","1","6","6","1","1") = "6"
    & skf21("7","5","4","1","6","6","2","1") = "6"
    & skf21("7","5","4","1","6","6","3","1") = "6"
    & skf21("7","5","4","1","6","6","4","1") = "6"
    & skf21("7","5","4","1","6","6","5","1") = "6"
    & skf21("7","5","4","1","6","6","6","1") = "6"
    & skf21("7","5","4","1","6","6","7","1") = "6"
    & skf21("7","5","4","1","6","7","1","1") = "6"
    & skf21("7","5","4","1","6","7","2","1") = "6"
    & skf21("7","5","4","1","6","7","3","1") = "6"
    & skf21("7","5","4","1","6","7","4","1") = "6"
    & skf21("7","5","4","1","6","7","5","1") = "6"
    & skf21("7","5","4","1","6","7","6","1") = "6"
    & skf21("7","5","4","1","6","7","7","1") = "6"
    & skf21("7","5","4","1","7","1","1","1") = "6"
    & skf21("7","5","4","1","7","1","2","1") = "6"
    & skf21("7","5","4","1","7","1","3","1") = "6"
    & skf21("7","5","4","1","7","1","4","1") = "6"
    & skf21("7","5","4","1","7","1","5","1") = "6"
    & skf21("7","5","4","1","7","1","6","1") = "6"
    & skf21("7","5","4","1","7","1","7","1") = "6"
    & skf21("7","5","4","1","7","2","1","1") = "6"
    & skf21("7","5","4","1","7","2","2","1") = "6"
    & skf21("7","5","4","1","7","2","3","1") = "6"
    & skf21("7","5","4","1","7","2","4","1") = "6"
    & skf21("7","5","4","1","7","2","5","1") = "6"
    & skf21("7","5","4","1","7","2","6","1") = "6"
    & skf21("7","5","4","1","7","2","7","1") = "6"
    & skf21("7","5","4","1","7","3","1","1") = "6"
    & skf21("7","5","4","1","7","3","2","1") = "6"
    & skf21("7","5","4","1","7","3","3","1") = "6"
    & skf21("7","5","4","1","7","3","4","1") = "6"
    & skf21("7","5","4","1","7","3","5","1") = "6"
    & skf21("7","5","4","1","7","3","6","1") = "6"
    & skf21("7","5","4","1","7","3","7","1") = "6"
    & skf21("7","5","4","1","7","4","1","1") = "6"
    & skf21("7","5","4","1","7","4","2","1") = "6"
    & skf21("7","5","4","1","7","4","3","1") = "6"
    & skf21("7","5","4","1","7","4","4","1") = "6"
    & skf21("7","5","4","1","7","4","5","1") = "6"
    & skf21("7","5","4","1","7","4","6","1") = "6"
    & skf21("7","5","4","1","7","4","7","1") = "6"
    & skf21("7","5","4","1","7","5","1","1") = "6"
    & skf21("7","5","4","1","7","5","2","1") = "6"
    & skf21("7","5","4","1","7","5","3","1") = "6"
    & skf21("7","5","4","1","7","5","4","1") = "6"
    & skf21("7","5","4","1","7","5","5","1") = "6"
    & skf21("7","5","4","1","7","5","6","1") = "6"
    & skf21("7","5","4","1","7","5","7","1") = "6"
    & skf21("7","5","4","1","7","6","1","1") = "6"
    & skf21("7","5","4","1","7","6","2","1") = "6"
    & skf21("7","5","4","1","7","6","3","1") = "6"
    & skf21("7","5","4","1","7","6","4","1") = "6"
    & skf21("7","5","4","1","7","6","5","1") = "6"
    & skf21("7","5","4","1","7","6","6","1") = "6"
    & skf21("7","5","4","1","7","6","7","1") = "6"
    & skf21("7","5","4","1","7","7","1","1") = "6"
    & skf21("7","5","4","1","7","7","2","1") = "6"
    & skf21("7","5","4","1","7","7","3","1") = "6"
    & skf21("7","5","4","1","7","7","4","1") = "6"
    & skf21("7","5","4","1","7","7","5","1") = "6"
    & skf21("7","5","4","1","7","7","6","1") = "6"
    & skf21("7","5","4","1","7","7","7","1") = "6"
    & skf21("7","5","4","2","1","1","1","1") = "6"
    & skf21("7","5","4","2","1","1","2","1") = "6"
    & skf21("7","5","4","2","1","1","3","1") = "6"
    & skf21("7","5","4","2","1","1","4","1") = "6"
    & skf21("7","5","4","2","1","1","5","1") = "6"
    & skf21("7","5","4","2","1","1","6","1") = "6"
    & skf21("7","5","4","2","1","1","7","1") = "6"
    & skf21("7","5","4","2","1","2","1","1") = "6"
    & skf21("7","5","4","2","1","2","2","1") = "6"
    & skf21("7","5","4","2","1","2","3","1") = "6"
    & skf21("7","5","4","2","1","2","4","1") = "6"
    & skf21("7","5","4","2","1","2","5","1") = "6"
    & skf21("7","5","4","2","1","2","6","1") = "6"
    & skf21("7","5","4","2","1","2","7","1") = "6"
    & skf21("7","5","4","2","1","3","1","1") = "6"
    & skf21("7","5","4","2","1","3","2","1") = "6"
    & skf21("7","5","4","2","1","3","3","1") = "6"
    & skf21("7","5","4","2","1","3","4","1") = "6"
    & skf21("7","5","4","2","1","3","5","1") = "6"
    & skf21("7","5","4","2","1","3","6","1") = "6"
    & skf21("7","5","4","2","1","3","7","1") = "6"
    & skf21("7","5","4","2","1","4","1","1") = "6"
    & skf21("7","5","4","2","1","4","2","1") = "6"
    & skf21("7","5","4","2","1","4","3","1") = "6"
    & skf21("7","5","4","2","1","4","4","1") = "6"
    & skf21("7","5","4","2","1","4","5","1") = "6"
    & skf21("7","5","4","2","1","4","6","1") = "6"
    & skf21("7","5","4","2","1","4","7","1") = "6"
    & skf21("7","5","4","2","1","5","1","1") = "6"
    & skf21("7","5","4","2","1","5","2","1") = "6"
    & skf21("7","5","4","2","1","5","3","1") = "6"
    & skf21("7","5","4","2","1","5","4","1") = "6"
    & skf21("7","5","4","2","1","5","5","1") = "6"
    & skf21("7","5","4","2","1","5","6","1") = "6"
    & skf21("7","5","4","2","1","5","7","1") = "6"
    & skf21("7","5","4","2","1","6","1","1") = "6"
    & skf21("7","5","4","2","1","6","2","1") = "6"
    & skf21("7","5","4","2","1","6","3","1") = "6"
    & skf21("7","5","4","2","1","6","4","1") = "6"
    & skf21("7","5","4","2","1","6","5","1") = "6"
    & skf21("7","5","4","2","1","6","6","1") = "6"
    & skf21("7","5","4","2","1","6","7","1") = "6"
    & skf21("7","5","4","2","1","7","1","1") = "6"
    & skf21("7","5","4","2","1","7","2","1") = "6"
    & skf21("7","5","4","2","1","7","3","1") = "6"
    & skf21("7","5","4","2","1","7","4","1") = "6"
    & skf21("7","5","4","2","1","7","5","1") = "6"
    & skf21("7","5","4","2","1","7","6","1") = "6"
    & skf21("7","5","4","2","1","7","7","1") = "6"
    & skf21("7","5","4","2","2","1","1","1") = "6"
    & skf21("7","5","4","2","2","1","2","1") = "6"
    & skf21("7","5","4","2","2","1","3","1") = "6"
    & skf21("7","5","4","2","2","1","4","1") = "6"
    & skf21("7","5","4","2","2","1","5","1") = "6"
    & skf21("7","5","4","2","2","1","6","1") = "6"
    & skf21("7","5","4","2","2","1","7","1") = "6"
    & skf21("7","5","4","2","2","2","1","1") = "6"
    & skf21("7","5","4","2","2","2","2","1") = "6"
    & skf21("7","5","4","2","2","2","3","1") = "6"
    & skf21("7","5","4","2","2","2","4","1") = "6"
    & skf21("7","5","4","2","2","2","5","1") = "6"
    & skf21("7","5","4","2","2","2","6","1") = "6"
    & skf21("7","5","4","2","2","2","7","1") = "6"
    & skf21("7","5","4","2","2","3","1","1") = "6"
    & skf21("7","5","4","2","2","3","2","1") = "6"
    & skf21("7","5","4","2","2","3","3","1") = "6"
    & skf21("7","5","4","2","2","3","4","1") = "6"
    & skf21("7","5","4","2","2","3","5","1") = "6"
    & skf21("7","5","4","2","2","3","6","1") = "6"
    & skf21("7","5","4","2","2","3","7","1") = "6"
    & skf21("7","5","4","2","2","4","1","1") = "6"
    & skf21("7","5","4","2","2","4","2","1") = "6"
    & skf21("7","5","4","2","2","4","3","1") = "6"
    & skf21("7","5","4","2","2","4","4","1") = "6"
    & skf21("7","5","4","2","2","4","5","1") = "6"
    & skf21("7","5","4","2","2","4","6","1") = "6"
    & skf21("7","5","4","2","2","4","7","1") = "6"
    & skf21("7","5","4","2","2","5","1","1") = "6"
    & skf21("7","5","4","2","2","5","2","1") = "6"
    & skf21("7","5","4","2","2","5","3","1") = "6"
    & skf21("7","5","4","2","2","5","4","1") = "6"
    & skf21("7","5","4","2","2","5","5","1") = "6"
    & skf21("7","5","4","2","2","5","6","1") = "6"
    & skf21("7","5","4","2","2","5","7","1") = "6"
    & skf21("7","5","4","2","2","6","1","1") = "6"
    & skf21("7","5","4","2","2","6","2","1") = "6"
    & skf21("7","5","4","2","2","6","3","1") = "6"
    & skf21("7","5","4","2","2","6","4","1") = "6"
    & skf21("7","5","4","2","2","6","5","1") = "6"
    & skf21("7","5","4","2","2","6","6","1") = "6"
    & skf21("7","5","4","2","2","6","7","1") = "6"
    & skf21("7","5","4","2","2","7","1","1") = "6"
    & skf21("7","5","4","2","2","7","2","1") = "6"
    & skf21("7","5","4","2","2","7","3","1") = "6"
    & skf21("7","5","4","2","2","7","4","1") = "6"
    & skf21("7","5","4","2","2","7","5","1") = "6"
    & skf21("7","5","4","2","2","7","6","1") = "6"
    & skf21("7","5","4","2","2","7","7","1") = "6"
    & skf21("7","5","4","2","3","1","1","1") = "6"
    & skf21("7","5","4","2","3","1","2","1") = "6"
    & skf21("7","5","4","2","3","1","3","1") = "6"
    & skf21("7","5","4","2","3","1","4","1") = "6"
    & skf21("7","5","4","2","3","1","5","1") = "6"
    & skf21("7","5","4","2","3","1","6","1") = "6"
    & skf21("7","5","4","2","3","1","7","1") = "6"
    & skf21("7","5","4","2","3","2","1","1") = "6"
    & skf21("7","5","4","2","3","2","2","1") = "6"
    & skf21("7","5","4","2","3","2","3","1") = "6"
    & skf21("7","5","4","2","3","2","4","1") = "6"
    & skf21("7","5","4","2","3","2","5","1") = "6"
    & skf21("7","5","4","2","3","2","6","1") = "6"
    & skf21("7","5","4","2","3","2","7","1") = "6"
    & skf21("7","5","4","2","3","3","1","1") = "6"
    & skf21("7","5","4","2","3","3","2","1") = "6"
    & skf21("7","5","4","2","3","3","3","1") = "6"
    & skf21("7","5","4","2","3","3","4","1") = "6"
    & skf21("7","5","4","2","3","3","5","1") = "6"
    & skf21("7","5","4","2","3","3","6","1") = "6"
    & skf21("7","5","4","2","3","3","7","1") = "6"
    & skf21("7","5","4","2","3","4","1","1") = "6"
    & skf21("7","5","4","2","3","4","2","1") = "6"
    & skf21("7","5","4","2","3","4","3","1") = "6"
    & skf21("7","5","4","2","3","4","4","1") = "6"
    & skf21("7","5","4","2","3","4","5","1") = "6"
    & skf21("7","5","4","2","3","4","6","1") = "6"
    & skf21("7","5","4","2","3","4","7","1") = "6"
    & skf21("7","5","4","2","3","5","1","1") = "6"
    & skf21("7","5","4","2","3","5","2","1") = "6"
    & skf21("7","5","4","2","3","5","3","1") = "6"
    & skf21("7","5","4","2","3","5","4","1") = "6"
    & skf21("7","5","4","2","3","5","5","1") = "6"
    & skf21("7","5","4","2","3","5","6","1") = "6"
    & skf21("7","5","4","2","3","5","7","1") = "6"
    & skf21("7","5","4","2","3","6","1","1") = "6"
    & skf21("7","5","4","2","3","6","2","1") = "6"
    & skf21("7","5","4","2","3","6","3","1") = "6"
    & skf21("7","5","4","2","3","6","4","1") = "6"
    & skf21("7","5","4","2","3","6","5","1") = "6"
    & skf21("7","5","4","2","3","6","6","1") = "6"
    & skf21("7","5","4","2","3","6","7","1") = "6"
    & skf21("7","5","4","2","3","7","1","1") = "6"
    & skf21("7","5","4","2","3","7","2","1") = "6"
    & skf21("7","5","4","2","3","7","3","1") = "6"
    & skf21("7","5","4","2","3","7","4","1") = "6"
    & skf21("7","5","4","2","3","7","5","1") = "6"
    & skf21("7","5","4","2","3","7","6","1") = "6"
    & skf21("7","5","4","2","3","7","7","1") = "6"
    & skf21("7","5","4","2","4","1","1","1") = "6"
    & skf21("7","5","4","2","4","1","2","1") = "6"
    & skf21("7","5","4","2","4","1","3","1") = "6"
    & skf21("7","5","4","2","4","1","4","1") = "6"
    & skf21("7","5","4","2","4","1","5","1") = "6"
    & skf21("7","5","4","2","4","1","6","1") = "6"
    & skf21("7","5","4","2","4","1","7","1") = "6"
    & skf21("7","5","4","2","4","2","1","1") = "6"
    & skf21("7","5","4","2","4","2","2","1") = "6"
    & skf21("7","5","4","2","4","2","3","1") = "6"
    & skf21("7","5","4","2","4","2","4","1") = "6"
    & skf21("7","5","4","2","4","2","5","1") = "6"
    & skf21("7","5","4","2","4","2","6","1") = "6"
    & skf21("7","5","4","2","4","2","7","1") = "6"
    & skf21("7","5","4","2","4","3","1","1") = "6"
    & skf21("7","5","4","2","4","3","2","1") = "6"
    & skf21("7","5","4","2","4","3","3","1") = "6"
    & skf21("7","5","4","2","4","3","4","1") = "6"
    & skf21("7","5","4","2","4","3","5","1") = "6"
    & skf21("7","5","4","2","4","3","6","1") = "6"
    & skf21("7","5","4","2","4","3","7","1") = "6"
    & skf21("7","5","4","2","4","4","1","1") = "6"
    & skf21("7","5","4","2","4","4","2","1") = "6"
    & skf21("7","5","4","2","4","4","3","1") = "6"
    & skf21("7","5","4","2","4","4","4","1") = "6"
    & skf21("7","5","4","2","4","4","5","1") = "6"
    & skf21("7","5","4","2","4","4","6","1") = "6"
    & skf21("7","5","4","2","4","4","7","1") = "6"
    & skf21("7","5","4","2","4","5","1","1") = "6"
    & skf21("7","5","4","2","4","5","2","1") = "6"
    & skf21("7","5","4","2","4","5","3","1") = "6"
    & skf21("7","5","4","2","4","5","4","1") = "6"
    & skf21("7","5","4","2","4","5","5","1") = "6"
    & skf21("7","5","4","2","4","5","6","1") = "6"
    & skf21("7","5","4","2","4","5","7","1") = "6"
    & skf21("7","5","4","2","4","6","1","1") = "6"
    & skf21("7","5","4","2","4","6","2","1") = "6"
    & skf21("7","5","4","2","4","6","3","1") = "6"
    & skf21("7","5","4","2","4","6","4","1") = "6"
    & skf21("7","5","4","2","4","6","5","1") = "6"
    & skf21("7","5","4","2","4","6","6","1") = "6"
    & skf21("7","5","4","2","4","6","7","1") = "6"
    & skf21("7","5","4","2","4","7","1","1") = "6"
    & skf21("7","5","4","2","4","7","2","1") = "6"
    & skf21("7","5","4","2","4","7","3","1") = "6"
    & skf21("7","5","4","2","4","7","4","1") = "6"
    & skf21("7","5","4","2","4","7","5","1") = "6"
    & skf21("7","5","4","2","4","7","6","1") = "6"
    & skf21("7","5","4","2","4","7","7","1") = "6"
    & skf21("7","5","4","2","5","1","1","1") = "6"
    & skf21("7","5","4","2","5","1","2","1") = "6"
    & skf21("7","5","4","2","5","1","3","1") = "6"
    & skf21("7","5","4","2","5","1","4","1") = "6"
    & skf21("7","5","4","2","5","1","5","1") = "6"
    & skf21("7","5","4","2","5","1","6","1") = "6"
    & skf21("7","5","4","2","5","1","7","1") = "6"
    & skf21("7","5","4","2","5","2","1","1") = "6"
    & skf21("7","5","4","2","5","2","2","1") = "6"
    & skf21("7","5","4","2","5","2","3","1") = "6"
    & skf21("7","5","4","2","5","2","4","1") = "6"
    & skf21("7","5","4","2","5","2","5","1") = "6"
    & skf21("7","5","4","2","5","2","6","1") = "6"
    & skf21("7","5","4","2","5","2","7","1") = "6"
    & skf21("7","5","4","2","5","3","1","1") = "6"
    & skf21("7","5","4","2","5","3","2","1") = "6"
    & skf21("7","5","4","2","5","3","3","1") = "6"
    & skf21("7","5","4","2","5","3","4","1") = "6"
    & skf21("7","5","4","2","5","3","5","1") = "6"
    & skf21("7","5","4","2","5","3","6","1") = "6"
    & skf21("7","5","4","2","5","3","7","1") = "6"
    & skf21("7","5","4","2","5","4","1","1") = "6"
    & skf21("7","5","4","2","5","4","2","1") = "6"
    & skf21("7","5","4","2","5","4","3","1") = "6"
    & skf21("7","5","4","2","5","4","4","1") = "6"
    & skf21("7","5","4","2","5","4","5","1") = "6"
    & skf21("7","5","4","2","5","4","6","1") = "6"
    & skf21("7","5","4","2","5","4","7","1") = "6"
    & skf21("7","5","4","2","5","5","1","1") = "6"
    & skf21("7","5","4","2","5","5","2","1") = "6"
    & skf21("7","5","4","2","5","5","3","1") = "6"
    & skf21("7","5","4","2","5","5","4","1") = "6"
    & skf21("7","5","4","2","5","5","5","1") = "6"
    & skf21("7","5","4","2","5","5","6","1") = "6"
    & skf21("7","5","4","2","5","5","7","1") = "6"
    & skf21("7","5","4","2","5","6","1","1") = "6"
    & skf21("7","5","4","2","5","6","2","1") = "6"
    & skf21("7","5","4","2","5","6","3","1") = "6"
    & skf21("7","5","4","2","5","6","4","1") = "6"
    & skf21("7","5","4","2","5","6","5","1") = "6"
    & skf21("7","5","4","2","5","6","6","1") = "6"
    & skf21("7","5","4","2","5","6","7","1") = "6"
    & skf21("7","5","4","2","5","7","1","1") = "6"
    & skf21("7","5","4","2","5","7","2","1") = "6"
    & skf21("7","5","4","2","5","7","3","1") = "6"
    & skf21("7","5","4","2","5","7","4","1") = "6"
    & skf21("7","5","4","2","5","7","5","1") = "6"
    & skf21("7","5","4","2","5","7","6","1") = "6"
    & skf21("7","5","4","2","5","7","7","1") = "6"
    & skf21("7","5","4","2","6","1","1","1") = "6"
    & skf21("7","5","4","2","6","1","2","1") = "6"
    & skf21("7","5","4","2","6","1","3","1") = "6"
    & skf21("7","5","4","2","6","1","4","1") = "6"
    & skf21("7","5","4","2","6","1","5","1") = "6"
    & skf21("7","5","4","2","6","1","6","1") = "6"
    & skf21("7","5","4","2","6","1","7","1") = "6"
    & skf21("7","5","4","2","6","2","1","1") = "6"
    & skf21("7","5","4","2","6","2","2","1") = "6"
    & skf21("7","5","4","2","6","2","3","1") = "6"
    & skf21("7","5","4","2","6","2","4","1") = "6"
    & skf21("7","5","4","2","6","2","5","1") = "6"
    & skf21("7","5","4","2","6","2","6","1") = "6"
    & skf21("7","5","4","2","6","2","7","1") = "6"
    & skf21("7","5","4","2","6","3","1","1") = "6"
    & skf21("7","5","4","2","6","3","2","1") = "6"
    & skf21("7","5","4","2","6","3","3","1") = "6"
    & skf21("7","5","4","2","6","3","4","1") = "6"
    & skf21("7","5","4","2","6","3","5","1") = "6"
    & skf21("7","5","4","2","6","3","6","1") = "6"
    & skf21("7","5","4","2","6","3","7","1") = "6"
    & skf21("7","5","4","2","6","4","1","1") = "6"
    & skf21("7","5","4","2","6","4","2","1") = "6"
    & skf21("7","5","4","2","6","4","3","1") = "6"
    & skf21("7","5","4","2","6","4","4","1") = "6"
    & skf21("7","5","4","2","6","4","5","1") = "6"
    & skf21("7","5","4","2","6","4","6","1") = "6"
    & skf21("7","5","4","2","6","4","7","1") = "6"
    & skf21("7","5","4","2","6","5","1","1") = "6"
    & skf21("7","5","4","2","6","5","2","1") = "6"
    & skf21("7","5","4","2","6","5","3","1") = "6"
    & skf21("7","5","4","2","6","5","4","1") = "6"
    & skf21("7","5","4","2","6","5","5","1") = "6"
    & skf21("7","5","4","2","6","5","6","1") = "6"
    & skf21("7","5","4","2","6","5","7","1") = "6"
    & skf21("7","5","4","2","6","6","1","1") = "6"
    & skf21("7","5","4","2","6","6","2","1") = "6"
    & skf21("7","5","4","2","6","6","3","1") = "6"
    & skf21("7","5","4","2","6","6","4","1") = "6"
    & skf21("7","5","4","2","6","6","5","1") = "6"
    & skf21("7","5","4","2","6","6","6","1") = "6"
    & skf21("7","5","4","2","6","6","7","1") = "6"
    & skf21("7","5","4","2","6","7","1","1") = "6"
    & skf21("7","5","4","2","6","7","2","1") = "6"
    & skf21("7","5","4","2","6","7","3","1") = "6"
    & skf21("7","5","4","2","6","7","4","1") = "6"
    & skf21("7","5","4","2","6","7","5","1") = "6"
    & skf21("7","5","4","2","6","7","6","1") = "6"
    & skf21("7","5","4","2","6","7","7","1") = "6"
    & skf21("7","5","4","2","7","1","1","1") = "6"
    & skf21("7","5","4","2","7","1","2","1") = "6"
    & skf21("7","5","4","2","7","1","3","1") = "6"
    & skf21("7","5","4","2","7","1","4","1") = "6"
    & skf21("7","5","4","2","7","1","5","1") = "6"
    & skf21("7","5","4","2","7","1","6","1") = "6"
    & skf21("7","5","4","2","7","1","7","1") = "6"
    & skf21("7","5","4","2","7","2","1","1") = "6"
    & skf21("7","5","4","2","7","2","2","1") = "6"
    & skf21("7","5","4","2","7","2","3","1") = "6"
    & skf21("7","5","4","2","7","2","4","1") = "6"
    & skf21("7","5","4","2","7","2","5","1") = "6"
    & skf21("7","5","4","2","7","2","6","1") = "6"
    & skf21("7","5","4","2","7","2","7","1") = "6"
    & skf21("7","5","4","2","7","3","1","1") = "6"
    & skf21("7","5","4","2","7","3","2","1") = "6"
    & skf21("7","5","4","2","7","3","3","1") = "6"
    & skf21("7","5","4","2","7","3","4","1") = "6"
    & skf21("7","5","4","2","7","3","5","1") = "6"
    & skf21("7","5","4","2","7","3","6","1") = "6"
    & skf21("7","5","4","2","7","3","7","1") = "6"
    & skf21("7","5","4","2","7","4","1","1") = "6"
    & skf21("7","5","4","2","7","4","2","1") = "6"
    & skf21("7","5","4","2","7","4","3","1") = "6"
    & skf21("7","5","4","2","7","4","4","1") = "6"
    & skf21("7","5","4","2","7","4","5","1") = "6"
    & skf21("7","5","4","2","7","4","6","1") = "6"
    & skf21("7","5","4","2","7","4","7","1") = "6"
    & skf21("7","5","4","2","7","5","1","1") = "6"
    & skf21("7","5","4","2","7","5","2","1") = "6"
    & skf21("7","5","4","2","7","5","3","1") = "6"
    & skf21("7","5","4","2","7","5","4","1") = "6"
    & skf21("7","5","4","2","7","5","5","1") = "6"
    & skf21("7","5","4","2","7","5","6","1") = "6"
    & skf21("7","5","4","2","7","5","7","1") = "6"
    & skf21("7","5","4","2","7","6","1","1") = "6"
    & skf21("7","5","4","2","7","6","2","1") = "6"
    & skf21("7","5","4","2","7","6","3","1") = "6"
    & skf21("7","5","4","2","7","6","4","1") = "6"
    & skf21("7","5","4","2","7","6","5","1") = "6"
    & skf21("7","5","4","2","7","6","6","1") = "6"
    & skf21("7","5","4","2","7","6","7","1") = "6"
    & skf21("7","5","4","2","7","7","1","1") = "6"
    & skf21("7","5","4","2","7","7","2","1") = "6"
    & skf21("7","5","4","2","7","7","3","1") = "6"
    & skf21("7","5","4","2","7","7","4","1") = "6"
    & skf21("7","5","4","2","7","7","5","1") = "6"
    & skf21("7","5","4","2","7","7","6","1") = "6"
    & skf21("7","5","4","2","7","7","7","1") = "6"
    & skf21("7","5","4","3","1","1","1","1") = "6"
    & skf21("7","5","4","3","1","1","2","1") = "6"
    & skf21("7","5","4","3","1","1","3","1") = "6"
    & skf21("7","5","4","3","1","1","4","1") = "6"
    & skf21("7","5","4","3","1","1","5","1") = "6"
    & skf21("7","5","4","3","1","1","6","1") = "6"
    & skf21("7","5","4","3","1","1","7","1") = "6"
    & skf21("7","5","4","3","1","2","1","1") = "6"
    & skf21("7","5","4","3","1","2","2","1") = "6"
    & skf21("7","5","4","3","1","2","3","1") = "6"
    & skf21("7","5","4","3","1","2","4","1") = "6"
    & skf21("7","5","4","3","1","2","5","1") = "6"
    & skf21("7","5","4","3","1","2","6","1") = "6"
    & skf21("7","5","4","3","1","2","7","1") = "6"
    & skf21("7","5","4","3","1","3","1","1") = "6"
    & skf21("7","5","4","3","1","3","2","1") = "6"
    & skf21("7","5","4","3","1","3","3","1") = "6"
    & skf21("7","5","4","3","1","3","4","1") = "6"
    & skf21("7","5","4","3","1","3","5","1") = "6"
    & skf21("7","5","4","3","1","3","6","1") = "6"
    & skf21("7","5","4","3","1","3","7","1") = "6"
    & skf21("7","5","4","3","1","4","1","1") = "6"
    & skf21("7","5","4","3","1","4","2","1") = "6"
    & skf21("7","5","4","3","1","4","3","1") = "6"
    & skf21("7","5","4","3","1","4","4","1") = "6"
    & skf21("7","5","4","3","1","4","5","1") = "6"
    & skf21("7","5","4","3","1","4","6","1") = "6"
    & skf21("7","5","4","3","1","4","7","1") = "6"
    & skf21("7","5","4","3","1","5","1","1") = "6"
    & skf21("7","5","4","3","1","5","2","1") = "6"
    & skf21("7","5","4","3","1","5","3","1") = "6"
    & skf21("7","5","4","3","1","5","4","1") = "6"
    & skf21("7","5","4","3","1","5","5","1") = "6"
    & skf21("7","5","4","3","1","5","6","1") = "6"
    & skf21("7","5","4","3","1","5","7","1") = "6"
    & skf21("7","5","4","3","1","6","1","1") = "6"
    & skf21("7","5","4","3","1","6","2","1") = "6"
    & skf21("7","5","4","3","1","6","3","1") = "6"
    & skf21("7","5","4","3","1","6","4","1") = "6"
    & skf21("7","5","4","3","1","6","5","1") = "6"
    & skf21("7","5","4","3","1","6","6","1") = "6"
    & skf21("7","5","4","3","1","6","7","1") = "6"
    & skf21("7","5","4","3","1","7","1","1") = "6"
    & skf21("7","5","4","3","1","7","2","1") = "6"
    & skf21("7","5","4","3","1","7","3","1") = "6"
    & skf21("7","5","4","3","1","7","4","1") = "6"
    & skf21("7","5","4","3","1","7","5","1") = "6"
    & skf21("7","5","4","3","1","7","6","1") = "6"
    & skf21("7","5","4","3","1","7","7","1") = "6"
    & skf21("7","5","4","3","2","1","1","1") = "6"
    & skf21("7","5","4","3","2","1","2","1") = "6"
    & skf21("7","5","4","3","2","1","3","1") = "6"
    & skf21("7","5","4","3","2","1","4","1") = "6"
    & skf21("7","5","4","3","2","1","5","1") = "6"
    & skf21("7","5","4","3","2","1","6","1") = "6"
    & skf21("7","5","4","3","2","1","7","1") = "6"
    & skf21("7","5","4","3","2","2","1","1") = "6"
    & skf21("7","5","4","3","2","2","2","1") = "6"
    & skf21("7","5","4","3","2","2","3","1") = "6"
    & skf21("7","5","4","3","2","2","4","1") = "6"
    & skf21("7","5","4","3","2","2","5","1") = "6"
    & skf21("7","5","4","3","2","2","6","1") = "6"
    & skf21("7","5","4","3","2","2","7","1") = "6"
    & skf21("7","5","4","3","2","3","1","1") = "6"
    & skf21("7","5","4","3","2","3","2","1") = "6"
    & skf21("7","5","4","3","2","3","3","1") = "6"
    & skf21("7","5","4","3","2","3","4","1") = "6"
    & skf21("7","5","4","3","2","3","5","1") = "6"
    & skf21("7","5","4","3","2","3","6","1") = "6"
    & skf21("7","5","4","3","2","3","7","1") = "6"
    & skf21("7","5","4","3","2","4","1","1") = "6"
    & skf21("7","5","4","3","2","4","2","1") = "6"
    & skf21("7","5","4","3","2","4","3","1") = "6"
    & skf21("7","5","4","3","2","4","4","1") = "6"
    & skf21("7","5","4","3","2","4","5","1") = "6"
    & skf21("7","5","4","3","2","4","6","1") = "6"
    & skf21("7","5","4","3","2","4","7","1") = "6"
    & skf21("7","5","4","3","2","5","1","1") = "6"
    & skf21("7","5","4","3","2","5","2","1") = "6"
    & skf21("7","5","4","3","2","5","3","1") = "6"
    & skf21("7","5","4","3","2","5","4","1") = "6"
    & skf21("7","5","4","3","2","5","5","1") = "6"
    & skf21("7","5","4","3","2","5","6","1") = "6"
    & skf21("7","5","4","3","2","5","7","1") = "6"
    & skf21("7","5","4","3","2","6","1","1") = "6"
    & skf21("7","5","4","3","2","6","2","1") = "6"
    & skf21("7","5","4","3","2","6","3","1") = "6"
    & skf21("7","5","4","3","2","6","4","1") = "6"
    & skf21("7","5","4","3","2","6","5","1") = "6"
    & skf21("7","5","4","3","2","6","6","1") = "6"
    & skf21("7","5","4","3","2","6","7","1") = "6"
    & skf21("7","5","4","3","2","7","1","1") = "6"
    & skf21("7","5","4","3","2","7","2","1") = "6"
    & skf21("7","5","4","3","2","7","3","1") = "6"
    & skf21("7","5","4","3","2","7","4","1") = "6"
    & skf21("7","5","4","3","2","7","5","1") = "6"
    & skf21("7","5","4","3","2","7","6","1") = "6"
    & skf21("7","5","4","3","2","7","7","1") = "6"
    & skf21("7","5","4","3","3","1","1","1") = "6"
    & skf21("7","5","4","3","3","1","2","1") = "6"
    & skf21("7","5","4","3","3","1","3","1") = "6"
    & skf21("7","5","4","3","3","1","4","1") = "6"
    & skf21("7","5","4","3","3","1","5","1") = "6"
    & skf21("7","5","4","3","3","1","6","1") = "6"
    & skf21("7","5","4","3","3","1","7","1") = "6"
    & skf21("7","5","4","3","3","2","1","1") = "6"
    & skf21("7","5","4","3","3","2","2","1") = "6"
    & skf21("7","5","4","3","3","2","3","1") = "6"
    & skf21("7","5","4","3","3","2","4","1") = "6"
    & skf21("7","5","4","3","3","2","5","1") = "6"
    & skf21("7","5","4","3","3","2","6","1") = "6"
    & skf21("7","5","4","3","3","2","7","1") = "6"
    & skf21("7","5","4","3","3","3","1","1") = "6"
    & skf21("7","5","4","3","3","3","2","1") = "6"
    & skf21("7","5","4","3","3","3","3","1") = "6"
    & skf21("7","5","4","3","3","3","4","1") = "6"
    & skf21("7","5","4","3","3","3","5","1") = "6"
    & skf21("7","5","4","3","3","3","6","1") = "6"
    & skf21("7","5","4","3","3","3","7","1") = "6"
    & skf21("7","5","4","3","3","4","1","1") = "6"
    & skf21("7","5","4","3","3","4","2","1") = "6"
    & skf21("7","5","4","3","3","4","3","1") = "6"
    & skf21("7","5","4","3","3","4","4","1") = "6"
    & skf21("7","5","4","3","3","4","5","1") = "6"
    & skf21("7","5","4","3","3","4","6","1") = "6"
    & skf21("7","5","4","3","3","4","7","1") = "6"
    & skf21("7","5","4","3","3","5","1","1") = "6"
    & skf21("7","5","4","3","3","5","2","1") = "6"
    & skf21("7","5","4","3","3","5","3","1") = "6"
    & skf21("7","5","4","3","3","5","4","1") = "6"
    & skf21("7","5","4","3","3","5","5","1") = "6"
    & skf21("7","5","4","3","3","5","6","1") = "6"
    & skf21("7","5","4","3","3","5","7","1") = "6"
    & skf21("7","5","4","3","3","6","1","1") = "6"
    & skf21("7","5","4","3","3","6","2","1") = "6"
    & skf21("7","5","4","3","3","6","3","1") = "6"
    & skf21("7","5","4","3","3","6","4","1") = "6"
    & skf21("7","5","4","3","3","6","5","1") = "6"
    & skf21("7","5","4","3","3","6","6","1") = "6"
    & skf21("7","5","4","3","3","6","7","1") = "6"
    & skf21("7","5","4","3","3","7","1","1") = "6"
    & skf21("7","5","4","3","3","7","2","1") = "6"
    & skf21("7","5","4","3","3","7","3","1") = "6"
    & skf21("7","5","4","3","3","7","4","1") = "6"
    & skf21("7","5","4","3","3","7","5","1") = "6"
    & skf21("7","5","4","3","3","7","6","1") = "6"
    & skf21("7","5","4","3","3","7","7","1") = "6"
    & skf21("7","5","4","3","4","1","1","1") = "6"
    & skf21("7","5","4","3","4","1","2","1") = "6"
    & skf21("7","5","4","3","4","1","3","1") = "6"
    & skf21("7","5","4","3","4","1","4","1") = "6"
    & skf21("7","5","4","3","4","1","5","1") = "6"
    & skf21("7","5","4","3","4","1","6","1") = "6"
    & skf21("7","5","4","3","4","1","7","1") = "6"
    & skf21("7","5","4","3","4","2","1","1") = "6"
    & skf21("7","5","4","3","4","2","2","1") = "6"
    & skf21("7","5","4","3","4","2","3","1") = "6"
    & skf21("7","5","4","3","4","2","4","1") = "6"
    & skf21("7","5","4","3","4","2","5","1") = "6"
    & skf21("7","5","4","3","4","2","6","1") = "6"
    & skf21("7","5","4","3","4","2","7","1") = "6"
    & skf21("7","5","4","3","4","3","1","1") = "6"
    & skf21("7","5","4","3","4","3","2","1") = "6"
    & skf21("7","5","4","3","4","3","3","1") = "6"
    & skf21("7","5","4","3","4","3","4","1") = "6"
    & skf21("7","5","4","3","4","3","5","1") = "6"
    & skf21("7","5","4","3","4","3","6","1") = "6"
    & skf21("7","5","4","3","4","3","7","1") = "6"
    & skf21("7","5","4","3","4","4","1","1") = "6"
    & skf21("7","5","4","3","4","4","2","1") = "6"
    & skf21("7","5","4","3","4","4","3","1") = "6"
    & skf21("7","5","4","3","4","4","4","1") = "6"
    & skf21("7","5","4","3","4","4","5","1") = "6"
    & skf21("7","5","4","3","4","4","6","1") = "6"
    & skf21("7","5","4","3","4","4","7","1") = "6"
    & skf21("7","5","4","3","4","5","1","1") = "6"
    & skf21("7","5","4","3","4","5","2","1") = "6"
    & skf21("7","5","4","3","4","5","3","1") = "6"
    & skf21("7","5","4","3","4","5","4","1") = "6"
    & skf21("7","5","4","3","4","5","5","1") = "6"
    & skf21("7","5","4","3","4","5","6","1") = "6"
    & skf21("7","5","4","3","4","5","7","1") = "6"
    & skf21("7","5","4","3","4","6","1","1") = "6"
    & skf21("7","5","4","3","4","6","2","1") = "6"
    & skf21("7","5","4","3","4","6","3","1") = "6"
    & skf21("7","5","4","3","4","6","4","1") = "6"
    & skf21("7","5","4","3","4","6","5","1") = "6"
    & skf21("7","5","4","3","4","6","6","1") = "6"
    & skf21("7","5","4","3","4","6","7","1") = "6"
    & skf21("7","5","4","3","4","7","1","1") = "6"
    & skf21("7","5","4","3","4","7","2","1") = "6"
    & skf21("7","5","4","3","4","7","3","1") = "6"
    & skf21("7","5","4","3","4","7","4","1") = "6"
    & skf21("7","5","4","3","4","7","5","1") = "6"
    & skf21("7","5","4","3","4","7","6","1") = "6"
    & skf21("7","5","4","3","4","7","7","1") = "6"
    & skf21("7","5","4","3","5","1","1","1") = "6"
    & skf21("7","5","4","3","5","1","2","1") = "6"
    & skf21("7","5","4","3","5","1","3","1") = "6"
    & skf21("7","5","4","3","5","1","4","1") = "6"
    & skf21("7","5","4","3","5","1","5","1") = "6"
    & skf21("7","5","4","3","5","1","6","1") = "6"
    & skf21("7","5","4","3","5","1","7","1") = "6"
    & skf21("7","5","4","3","5","2","1","1") = "6"
    & skf21("7","5","4","3","5","2","2","1") = "6"
    & skf21("7","5","4","3","5","2","3","1") = "6"
    & skf21("7","5","4","3","5","2","4","1") = "6"
    & skf21("7","5","4","3","5","2","5","1") = "6"
    & skf21("7","5","4","3","5","2","6","1") = "6"
    & skf21("7","5","4","3","5","2","7","1") = "6"
    & skf21("7","5","4","3","5","3","1","1") = "6"
    & skf21("7","5","4","3","5","3","2","1") = "6"
    & skf21("7","5","4","3","5","3","3","1") = "6"
    & skf21("7","5","4","3","5","3","4","1") = "6"
    & skf21("7","5","4","3","5","3","5","1") = "6"
    & skf21("7","5","4","3","5","3","6","1") = "6"
    & skf21("7","5","4","3","5","3","7","1") = "6"
    & skf21("7","5","4","3","5","4","1","1") = "6"
    & skf21("7","5","4","3","5","4","2","1") = "6"
    & skf21("7","5","4","3","5","4","3","1") = "6"
    & skf21("7","5","4","3","5","4","4","1") = "6"
    & skf21("7","5","4","3","5","4","5","1") = "6"
    & skf21("7","5","4","3","5","4","6","1") = "6"
    & skf21("7","5","4","3","5","4","7","1") = "6"
    & skf21("7","5","4","3","5","5","1","1") = "6"
    & skf21("7","5","4","3","5","5","2","1") = "6"
    & skf21("7","5","4","3","5","5","3","1") = "6"
    & skf21("7","5","4","3","5","5","4","1") = "6"
    & skf21("7","5","4","3","5","5","5","1") = "6"
    & skf21("7","5","4","3","5","5","6","1") = "6"
    & skf21("7","5","4","3","5","5","7","1") = "6"
    & skf21("7","5","4","3","5","6","1","1") = "6"
    & skf21("7","5","4","3","5","6","2","1") = "6"
    & skf21("7","5","4","3","5","6","3","1") = "6"
    & skf21("7","5","4","3","5","6","4","1") = "6"
    & skf21("7","5","4","3","5","6","5","1") = "6"
    & skf21("7","5","4","3","5","6","6","1") = "6"
    & skf21("7","5","4","3","5","6","7","1") = "6"
    & skf21("7","5","4","3","5","7","1","1") = "6"
    & skf21("7","5","4","3","5","7","2","1") = "6"
    & skf21("7","5","4","3","5","7","3","1") = "6"
    & skf21("7","5","4","3","5","7","4","1") = "6"
    & skf21("7","5","4","3","5","7","5","1") = "6"
    & skf21("7","5","4","3","5","7","6","1") = "6"
    & skf21("7","5","4","3","5","7","7","1") = "6"
    & skf21("7","5","4","3","6","1","1","1") = "6"
    & skf21("7","5","4","3","6","1","2","1") = "6"
    & skf21("7","5","4","3","6","1","3","1") = "6"
    & skf21("7","5","4","3","6","1","4","1") = "6"
    & skf21("7","5","4","3","6","1","5","1") = "6"
    & skf21("7","5","4","3","6","1","6","1") = "6"
    & skf21("7","5","4","3","6","1","7","1") = "6"
    & skf21("7","5","4","3","6","2","1","1") = "6"
    & skf21("7","5","4","3","6","2","2","1") = "6"
    & skf21("7","5","4","3","6","2","3","1") = "6"
    & skf21("7","5","4","3","6","2","4","1") = "6"
    & skf21("7","5","4","3","6","2","5","1") = "6"
    & skf21("7","5","4","3","6","2","6","1") = "6"
    & skf21("7","5","4","3","6","2","7","1") = "6"
    & skf21("7","5","4","3","6","3","1","1") = "6"
    & skf21("7","5","4","3","6","3","2","1") = "6"
    & skf21("7","5","4","3","6","3","3","1") = "6"
    & skf21("7","5","4","3","6","3","4","1") = "6"
    & skf21("7","5","4","3","6","3","5","1") = "6"
    & skf21("7","5","4","3","6","3","6","1") = "6"
    & skf21("7","5","4","3","6","3","7","1") = "6"
    & skf21("7","5","4","3","6","4","1","1") = "6"
    & skf21("7","5","4","3","6","4","2","1") = "6"
    & skf21("7","5","4","3","6","4","3","1") = "6"
    & skf21("7","5","4","3","6","4","4","1") = "6"
    & skf21("7","5","4","3","6","4","5","1") = "6"
    & skf21("7","5","4","3","6","4","6","1") = "6"
    & skf21("7","5","4","3","6","4","7","1") = "6"
    & skf21("7","5","4","3","6","5","1","1") = "6"
    & skf21("7","5","4","3","6","5","2","1") = "6"
    & skf21("7","5","4","3","6","5","3","1") = "6"
    & skf21("7","5","4","3","6","5","4","1") = "6"
    & skf21("7","5","4","3","6","5","5","1") = "6"
    & skf21("7","5","4","3","6","5","6","1") = "6"
    & skf21("7","5","4","3","6","5","7","1") = "6"
    & skf21("7","5","4","3","6","6","1","1") = "6"
    & skf21("7","5","4","3","6","6","2","1") = "6"
    & skf21("7","5","4","3","6","6","3","1") = "6"
    & skf21("7","5","4","3","6","6","4","1") = "6"
    & skf21("7","5","4","3","6","6","5","1") = "6"
    & skf21("7","5","4","3","6","6","6","1") = "6"
    & skf21("7","5","4","3","6","6","7","1") = "6"
    & skf21("7","5","4","3","6","7","1","1") = "6"
    & skf21("7","5","4","3","6","7","2","1") = "6"
    & skf21("7","5","4","3","6","7","3","1") = "6"
    & skf21("7","5","4","3","6","7","4","1") = "6"
    & skf21("7","5","4","3","6","7","5","1") = "6"
    & skf21("7","5","4","3","6","7","6","1") = "6"
    & skf21("7","5","4","3","6","7","7","1") = "6"
    & skf21("7","5","4","3","7","1","1","1") = "6"
    & skf21("7","5","4","3","7","1","2","1") = "6"
    & skf21("7","5","4","3","7","1","3","1") = "6"
    & skf21("7","5","4","3","7","1","4","1") = "6"
    & skf21("7","5","4","3","7","1","5","1") = "6"
    & skf21("7","5","4","3","7","1","6","1") = "6"
    & skf21("7","5","4","3","7","1","7","1") = "6"
    & skf21("7","5","4","3","7","2","1","1") = "6"
    & skf21("7","5","4","3","7","2","2","1") = "6"
    & skf21("7","5","4","3","7","2","3","1") = "6"
    & skf21("7","5","4","3","7","2","4","1") = "6"
    & skf21("7","5","4","3","7","2","5","1") = "6"
    & skf21("7","5","4","3","7","2","6","1") = "6"
    & skf21("7","5","4","3","7","2","7","1") = "6"
    & skf21("7","5","4","3","7","3","1","1") = "6"
    & skf21("7","5","4","3","7","3","2","1") = "6"
    & skf21("7","5","4","3","7","3","3","1") = "6"
    & skf21("7","5","4","3","7","3","4","1") = "6"
    & skf21("7","5","4","3","7","3","5","1") = "6"
    & skf21("7","5","4","3","7","3","6","1") = "6"
    & skf21("7","5","4","3","7","3","7","1") = "6"
    & skf21("7","5","4","3","7","4","1","1") = "6"
    & skf21("7","5","4","3","7","4","2","1") = "6"
    & skf21("7","5","4","3","7","4","3","1") = "6"
    & skf21("7","5","4","3","7","4","4","1") = "6"
    & skf21("7","5","4","3","7","4","5","1") = "6"
    & skf21("7","5","4","3","7","4","6","1") = "6"
    & skf21("7","5","4","3","7","4","7","1") = "6"
    & skf21("7","5","4","3","7","5","1","1") = "6"
    & skf21("7","5","4","3","7","5","2","1") = "6"
    & skf21("7","5","4","3","7","5","3","1") = "6"
    & skf21("7","5","4","3","7","5","4","1") = "6"
    & skf21("7","5","4","3","7","5","5","1") = "6"
    & skf21("7","5","4","3","7","5","6","1") = "6"
    & skf21("7","5","4","3","7","5","7","1") = "6"
    & skf21("7","5","4","3","7","6","1","1") = "6"
    & skf21("7","5","4","3","7","6","2","1") = "6"
    & skf21("7","5","4","3","7","6","3","1") = "6"
    & skf21("7","5","4","3","7","6","4","1") = "6"
    & skf21("7","5","4","3","7","6","5","1") = "6"
    & skf21("7","5","4","3","7","6","6","1") = "6"
    & skf21("7","5","4","3","7","6","7","1") = "6"
    & skf21("7","5","4","3","7","7","1","1") = "6"
    & skf21("7","5","4","3","7","7","2","1") = "6"
    & skf21("7","5","4","3","7","7","3","1") = "6"
    & skf21("7","5","4","3","7","7","4","1") = "6"
    & skf21("7","5","4","3","7","7","5","1") = "6"
    & skf21("7","5","4","3","7","7","6","1") = "6"
    & skf21("7","5","4","3","7","7","7","1") = "6"
    & skf21("7","5","4","4","1","1","1","1") = "6"
    & skf21("7","5","4","4","1","1","2","1") = "6"
    & skf21("7","5","4","4","1","1","3","1") = "6"
    & skf21("7","5","4","4","1","1","4","1") = "6"
    & skf21("7","5","4","4","1","1","5","1") = "6"
    & skf21("7","5","4","4","1","1","6","1") = "6"
    & skf21("7","5","4","4","1","1","7","1") = "6"
    & skf21("7","5","4","4","1","2","1","1") = "6"
    & skf21("7","5","4","4","1","2","2","1") = "6"
    & skf21("7","5","4","4","1","2","3","1") = "6"
    & skf21("7","5","4","4","1","2","4","1") = "6"
    & skf21("7","5","4","4","1","2","5","1") = "6"
    & skf21("7","5","4","4","1","2","6","1") = "6"
    & skf21("7","5","4","4","1","2","7","1") = "6"
    & skf21("7","5","4","4","1","3","1","1") = "6"
    & skf21("7","5","4","4","1","3","2","1") = "6"
    & skf21("7","5","4","4","1","3","3","1") = "6"
    & skf21("7","5","4","4","1","3","4","1") = "6"
    & skf21("7","5","4","4","1","3","5","1") = "6"
    & skf21("7","5","4","4","1","3","6","1") = "6"
    & skf21("7","5","4","4","1","3","7","1") = "6"
    & skf21("7","5","4","4","1","4","1","1") = "6"
    & skf21("7","5","4","4","1","4","2","1") = "6"
    & skf21("7","5","4","4","1","4","3","1") = "6"
    & skf21("7","5","4","4","1","4","4","1") = "6"
    & skf21("7","5","4","4","1","4","5","1") = "6"
    & skf21("7","5","4","4","1","4","6","1") = "6"
    & skf21("7","5","4","4","1","4","7","1") = "6"
    & skf21("7","5","4","4","1","5","1","1") = "6"
    & skf21("7","5","4","4","1","5","2","1") = "6"
    & skf21("7","5","4","4","1","5","3","1") = "6"
    & skf21("7","5","4","4","1","5","4","1") = "6"
    & skf21("7","5","4","4","1","5","5","1") = "6"
    & skf21("7","5","4","4","1","5","6","1") = "6"
    & skf21("7","5","4","4","1","5","7","1") = "6"
    & skf21("7","5","4","4","1","6","1","1") = "6"
    & skf21("7","5","4","4","1","6","2","1") = "6"
    & skf21("7","5","4","4","1","6","3","1") = "6"
    & skf21("7","5","4","4","1","6","4","1") = "6"
    & skf21("7","5","4","4","1","6","5","1") = "6"
    & skf21("7","5","4","4","1","6","6","1") = "6"
    & skf21("7","5","4","4","1","6","7","1") = "6"
    & skf21("7","5","4","4","1","7","1","1") = "6"
    & skf21("7","5","4","4","1","7","2","1") = "6"
    & skf21("7","5","4","4","1","7","3","1") = "6"
    & skf21("7","5","4","4","1","7","4","1") = "6"
    & skf21("7","5","4","4","1","7","5","1") = "6"
    & skf21("7","5","4","4","1","7","6","1") = "6"
    & skf21("7","5","4","4","1","7","7","1") = "6"
    & skf21("7","5","4","4","2","1","1","1") = "6"
    & skf21("7","5","4","4","2","1","2","1") = "6"
    & skf21("7","5","4","4","2","1","3","1") = "6"
    & skf21("7","5","4","4","2","1","4","1") = "6"
    & skf21("7","5","4","4","2","1","5","1") = "6"
    & skf21("7","5","4","4","2","1","6","1") = "6"
    & skf21("7","5","4","4","2","1","7","1") = "6"
    & skf21("7","5","4","4","2","2","1","1") = "6"
    & skf21("7","5","4","4","2","2","2","1") = "6"
    & skf21("7","5","4","4","2","2","3","1") = "6"
    & skf21("7","5","4","4","2","2","4","1") = "6"
    & skf21("7","5","4","4","2","2","5","1") = "6"
    & skf21("7","5","4","4","2","2","6","1") = "6"
    & skf21("7","5","4","4","2","2","7","1") = "6"
    & skf21("7","5","4","4","2","3","1","1") = "6"
    & skf21("7","5","4","4","2","3","2","1") = "6"
    & skf21("7","5","4","4","2","3","3","1") = "6"
    & skf21("7","5","4","4","2","3","4","1") = "6"
    & skf21("7","5","4","4","2","3","5","1") = "6"
    & skf21("7","5","4","4","2","3","6","1") = "6"
    & skf21("7","5","4","4","2","3","7","1") = "6"
    & skf21("7","5","4","4","2","4","1","1") = "6"
    & skf21("7","5","4","4","2","4","2","1") = "6"
    & skf21("7","5","4","4","2","4","3","1") = "6"
    & skf21("7","5","4","4","2","4","4","1") = "6"
    & skf21("7","5","4","4","2","4","5","1") = "6"
    & skf21("7","5","4","4","2","4","6","1") = "6"
    & skf21("7","5","4","4","2","4","7","1") = "6"
    & skf21("7","5","4","4","2","5","1","1") = "6"
    & skf21("7","5","4","4","2","5","2","1") = "6"
    & skf21("7","5","4","4","2","5","3","1") = "6"
    & skf21("7","5","4","4","2","5","4","1") = "6"
    & skf21("7","5","4","4","2","5","5","1") = "6"
    & skf21("7","5","4","4","2","5","6","1") = "6"
    & skf21("7","5","4","4","2","5","7","1") = "6"
    & skf21("7","5","4","4","2","6","1","1") = "6"
    & skf21("7","5","4","4","2","6","2","1") = "6"
    & skf21("7","5","4","4","2","6","3","1") = "6"
    & skf21("7","5","4","4","2","6","4","1") = "6"
    & skf21("7","5","4","4","2","6","5","1") = "6"
    & skf21("7","5","4","4","2","6","6","1") = "6"
    & skf21("7","5","4","4","2","6","7","1") = "6"
    & skf21("7","5","4","4","2","7","1","1") = "6"
    & skf21("7","5","4","4","2","7","2","1") = "6"
    & skf21("7","5","4","4","2","7","3","1") = "6"
    & skf21("7","5","4","4","2","7","4","1") = "6"
    & skf21("7","5","4","4","2","7","5","1") = "6"
    & skf21("7","5","4","4","2","7","6","1") = "6"
    & skf21("7","5","4","4","2","7","7","1") = "6"
    & skf21("7","5","4","4","3","1","1","1") = "6"
    & skf21("7","5","4","4","3","1","2","1") = "6"
    & skf21("7","5","4","4","3","1","3","1") = "6"
    & skf21("7","5","4","4","3","1","4","1") = "6"
    & skf21("7","5","4","4","3","1","5","1") = "6"
    & skf21("7","5","4","4","3","1","6","1") = "6"
    & skf21("7","5","4","4","3","1","7","1") = "6"
    & skf21("7","5","4","4","3","2","1","1") = "6"
    & skf21("7","5","4","4","3","2","2","1") = "6"
    & skf21("7","5","4","4","3","2","3","1") = "6"
    & skf21("7","5","4","4","3","2","4","1") = "6"
    & skf21("7","5","4","4","3","2","5","1") = "6"
    & skf21("7","5","4","4","3","2","6","1") = "6"
    & skf21("7","5","4","4","3","2","7","1") = "6"
    & skf21("7","5","4","4","3","3","1","1") = "6"
    & skf21("7","5","4","4","3","3","2","1") = "6"
    & skf21("7","5","4","4","3","3","3","1") = "6"
    & skf21("7","5","4","4","3","3","4","1") = "6"
    & skf21("7","5","4","4","3","3","5","1") = "6"
    & skf21("7","5","4","4","3","3","6","1") = "6"
    & skf21("7","5","4","4","3","3","7","1") = "6"
    & skf21("7","5","4","4","3","4","1","1") = "6"
    & skf21("7","5","4","4","3","4","2","1") = "6"
    & skf21("7","5","4","4","3","4","3","1") = "6"
    & skf21("7","5","4","4","3","4","4","1") = "6"
    & skf21("7","5","4","4","3","4","5","1") = "6"
    & skf21("7","5","4","4","3","4","6","1") = "6"
    & skf21("7","5","4","4","3","4","7","1") = "6"
    & skf21("7","5","4","4","3","5","1","1") = "6"
    & skf21("7","5","4","4","3","5","2","1") = "6"
    & skf21("7","5","4","4","3","5","3","1") = "6"
    & skf21("7","5","4","4","3","5","4","1") = "6"
    & skf21("7","5","4","4","3","5","5","1") = "6"
    & skf21("7","5","4","4","3","5","6","1") = "6"
    & skf21("7","5","4","4","3","5","7","1") = "6"
    & skf21("7","5","4","4","3","6","1","1") = "6"
    & skf21("7","5","4","4","3","6","2","1") = "6"
    & skf21("7","5","4","4","3","6","3","1") = "6"
    & skf21("7","5","4","4","3","6","4","1") = "6"
    & skf21("7","5","4","4","3","6","5","1") = "6"
    & skf21("7","5","4","4","3","6","6","1") = "6"
    & skf21("7","5","4","4","3","6","7","1") = "6"
    & skf21("7","5","4","4","3","7","1","1") = "6"
    & skf21("7","5","4","4","3","7","2","1") = "6"
    & skf21("7","5","4","4","3","7","3","1") = "6"
    & skf21("7","5","4","4","3","7","4","1") = "6"
    & skf21("7","5","4","4","3","7","5","1") = "6"
    & skf21("7","5","4","4","3","7","6","1") = "6"
    & skf21("7","5","4","4","3","7","7","1") = "6"
    & skf21("7","5","4","4","4","1","1","1") = "6"
    & skf21("7","5","4","4","4","1","2","1") = "6"
    & skf21("7","5","4","4","4","1","3","1") = "6"
    & skf21("7","5","4","4","4","1","4","1") = "6"
    & skf21("7","5","4","4","4","1","5","1") = "6"
    & skf21("7","5","4","4","4","1","6","1") = "6"
    & skf21("7","5","4","4","4","1","7","1") = "6"
    & skf21("7","5","4","4","4","2","1","1") = "6"
    & skf21("7","5","4","4","4","2","2","1") = "6"
    & skf21("7","5","4","4","4","2","3","1") = "6"
    & skf21("7","5","4","4","4","2","4","1") = "6"
    & skf21("7","5","4","4","4","2","5","1") = "6"
    & skf21("7","5","4","4","4","2","6","1") = "6"
    & skf21("7","5","4","4","4","2","7","1") = "6"
    & skf21("7","5","4","4","4","3","1","1") = "6"
    & skf21("7","5","4","4","4","3","2","1") = "6"
    & skf21("7","5","4","4","4","3","3","1") = "6"
    & skf21("7","5","4","4","4","3","4","1") = "6"
    & skf21("7","5","4","4","4","3","5","1") = "6"
    & skf21("7","5","4","4","4","3","6","1") = "6"
    & skf21("7","5","4","4","4","3","7","1") = "6"
    & skf21("7","5","4","4","4","4","1","1") = "6"
    & skf21("7","5","4","4","4","4","2","1") = "6"
    & skf21("7","5","4","4","4","4","3","1") = "6"
    & skf21("7","5","4","4","4","4","4","1") = "6"
    & skf21("7","5","4","4","4","4","5","1") = "6"
    & skf21("7","5","4","4","4","4","6","1") = "6"
    & skf21("7","5","4","4","4","4","7","1") = "6"
    & skf21("7","5","4","4","4","5","1","1") = "6"
    & skf21("7","5","4","4","4","5","2","1") = "6"
    & skf21("7","5","4","4","4","5","3","1") = "6"
    & skf21("7","5","4","4","4","5","4","1") = "6"
    & skf21("7","5","4","4","4","5","5","1") = "6"
    & skf21("7","5","4","4","4","5","6","1") = "6"
    & skf21("7","5","4","4","4","5","7","1") = "6"
    & skf21("7","5","4","4","4","6","1","1") = "6"
    & skf21("7","5","4","4","4","6","2","1") = "6"
    & skf21("7","5","4","4","4","6","3","1") = "6"
    & skf21("7","5","4","4","4","6","4","1") = "6"
    & skf21("7","5","4","4","4","6","5","1") = "6"
    & skf21("7","5","4","4","4","6","6","1") = "6"
    & skf21("7","5","4","4","4","6","7","1") = "6"
    & skf21("7","5","4","4","4","7","1","1") = "6"
    & skf21("7","5","4","4","4","7","2","1") = "6"
    & skf21("7","5","4","4","4","7","3","1") = "6"
    & skf21("7","5","4","4","4","7","4","1") = "6"
    & skf21("7","5","4","4","4","7","5","1") = "6"
    & skf21("7","5","4","4","4","7","6","1") = "6"
    & skf21("7","5","4","4","4","7","7","1") = "6"
    & skf21("7","5","4","4","5","1","1","1") = "6"
    & skf21("7","5","4","4","5","1","2","1") = "6"
    & skf21("7","5","4","4","5","1","3","1") = "6"
    & skf21("7","5","4","4","5","1","4","1") = "6"
    & skf21("7","5","4","4","5","1","5","1") = "6"
    & skf21("7","5","4","4","5","1","6","1") = "6"
    & skf21("7","5","4","4","5","1","7","1") = "6"
    & skf21("7","5","4","4","5","2","1","1") = "6"
    & skf21("7","5","4","4","5","2","2","1") = "6"
    & skf21("7","5","4","4","5","2","3","1") = "6"
    & skf21("7","5","4","4","5","2","4","1") = "6"
    & skf21("7","5","4","4","5","2","5","1") = "6"
    & skf21("7","5","4","4","5","2","6","1") = "6"
    & skf21("7","5","4","4","5","2","7","1") = "6"
    & skf21("7","5","4","4","5","3","1","1") = "6"
    & skf21("7","5","4","4","5","3","2","1") = "6"
    & skf21("7","5","4","4","5","3","3","1") = "6"
    & skf21("7","5","4","4","5","3","4","1") = "6"
    & skf21("7","5","4","4","5","3","5","1") = "6"
    & skf21("7","5","4","4","5","3","6","1") = "6"
    & skf21("7","5","4","4","5","3","7","1") = "6"
    & skf21("7","5","4","4","5","4","1","1") = "6"
    & skf21("7","5","4","4","5","4","2","1") = "6"
    & skf21("7","5","4","4","5","4","3","1") = "6"
    & skf21("7","5","4","4","5","4","4","1") = "6"
    & skf21("7","5","4","4","5","4","5","1") = "6"
    & skf21("7","5","4","4","5","4","6","1") = "6"
    & skf21("7","5","4","4","5","4","7","1") = "6"
    & skf21("7","5","4","4","5","5","1","1") = "6"
    & skf21("7","5","4","4","5","5","2","1") = "6"
    & skf21("7","5","4","4","5","5","3","1") = "6"
    & skf21("7","5","4","4","5","5","4","1") = "6"
    & skf21("7","5","4","4","5","5","5","1") = "6"
    & skf21("7","5","4","4","5","5","6","1") = "6"
    & skf21("7","5","4","4","5","5","7","1") = "6"
    & skf21("7","5","4","4","5","6","1","1") = "6"
    & skf21("7","5","4","4","5","6","2","1") = "6"
    & skf21("7","5","4","4","5","6","3","1") = "6"
    & skf21("7","5","4","4","5","6","4","1") = "6"
    & skf21("7","5","4","4","5","6","5","1") = "6"
    & skf21("7","5","4","4","5","6","6","1") = "6"
    & skf21("7","5","4","4","5","6","7","1") = "6"
    & skf21("7","5","4","4","5","7","1","1") = "6"
    & skf21("7","5","4","4","5","7","2","1") = "6"
    & skf21("7","5","4","4","5","7","3","1") = "6"
    & skf21("7","5","4","4","5","7","4","1") = "6"
    & skf21("7","5","4","4","5","7","5","1") = "6"
    & skf21("7","5","4","4","5","7","6","1") = "6"
    & skf21("7","5","4","4","5","7","7","1") = "6"
    & skf21("7","5","4","4","6","1","1","1") = "6"
    & skf21("7","5","4","4","6","1","2","1") = "6"
    & skf21("7","5","4","4","6","1","3","1") = "6"
    & skf21("7","5","4","4","6","1","4","1") = "6"
    & skf21("7","5","4","4","6","1","5","1") = "6"
    & skf21("7","5","4","4","6","1","6","1") = "6"
    & skf21("7","5","4","4","6","1","7","1") = "6"
    & skf21("7","5","4","4","6","2","1","1") = "6"
    & skf21("7","5","4","4","6","2","2","1") = "6"
    & skf21("7","5","4","4","6","2","3","1") = "6"
    & skf21("7","5","4","4","6","2","4","1") = "6"
    & skf21("7","5","4","4","6","2","5","1") = "6"
    & skf21("7","5","4","4","6","2","6","1") = "6"
    & skf21("7","5","4","4","6","2","7","1") = "6"
    & skf21("7","5","4","4","6","3","1","1") = "6"
    & skf21("7","5","4","4","6","3","2","1") = "6"
    & skf21("7","5","4","4","6","3","3","1") = "6"
    & skf21("7","5","4","4","6","3","4","1") = "6"
    & skf21("7","5","4","4","6","3","5","1") = "6"
    & skf21("7","5","4","4","6","3","6","1") = "6"
    & skf21("7","5","4","4","6","3","7","1") = "6"
    & skf21("7","5","4","4","6","4","1","1") = "6"
    & skf21("7","5","4","4","6","4","2","1") = "6"
    & skf21("7","5","4","4","6","4","3","1") = "6"
    & skf21("7","5","4","4","6","4","4","1") = "6"
    & skf21("7","5","4","4","6","4","5","1") = "6"
    & skf21("7","5","4","4","6","4","6","1") = "6"
    & skf21("7","5","4","4","6","4","7","1") = "6"
    & skf21("7","5","4","4","6","5","1","1") = "6"
    & skf21("7","5","4","4","6","5","2","1") = "6"
    & skf21("7","5","4","4","6","5","3","1") = "6"
    & skf21("7","5","4","4","6","5","4","1") = "6"
    & skf21("7","5","4","4","6","5","5","1") = "6"
    & skf21("7","5","4","4","6","5","6","1") = "6"
    & skf21("7","5","4","4","6","5","7","1") = "6"
    & skf21("7","5","4","4","6","6","1","1") = "6"
    & skf21("7","5","4","4","6","6","2","1") = "6"
    & skf21("7","5","4","4","6","6","3","1") = "6"
    & skf21("7","5","4","4","6","6","4","1") = "6"
    & skf21("7","5","4","4","6","6","5","1") = "6"
    & skf21("7","5","4","4","6","6","6","1") = "6"
    & skf21("7","5","4","4","6","6","7","1") = "6"
    & skf21("7","5","4","4","6","7","1","1") = "6"
    & skf21("7","5","4","4","6","7","2","1") = "6"
    & skf21("7","5","4","4","6","7","3","1") = "6"
    & skf21("7","5","4","4","6","7","4","1") = "6"
    & skf21("7","5","4","4","6","7","5","1") = "6"
    & skf21("7","5","4","4","6","7","6","1") = "6"
    & skf21("7","5","4","4","6","7","7","1") = "6"
    & skf21("7","5","4","4","7","1","1","1") = "6"
    & skf21("7","5","4","4","7","1","2","1") = "6"
    & skf21("7","5","4","4","7","1","3","1") = "6"
    & skf21("7","5","4","4","7","1","4","1") = "6"
    & skf21("7","5","4","4","7","1","5","1") = "6"
    & skf21("7","5","4","4","7","1","6","1") = "6"
    & skf21("7","5","4","4","7","1","7","1") = "6"
    & skf21("7","5","4","4","7","2","1","1") = "6"
    & skf21("7","5","4","4","7","2","2","1") = "6"
    & skf21("7","5","4","4","7","2","3","1") = "6"
    & skf21("7","5","4","4","7","2","4","1") = "6"
    & skf21("7","5","4","4","7","2","5","1") = "6"
    & skf21("7","5","4","4","7","2","6","1") = "6"
    & skf21("7","5","4","4","7","2","7","1") = "6"
    & skf21("7","5","4","4","7","3","1","1") = "6"
    & skf21("7","5","4","4","7","3","2","1") = "6"
    & skf21("7","5","4","4","7","3","3","1") = "6"
    & skf21("7","5","4","4","7","3","4","1") = "6"
    & skf21("7","5","4","4","7","3","5","1") = "6"
    & skf21("7","5","4","4","7","3","6","1") = "6"
    & skf21("7","5","4","4","7","3","7","1") = "6"
    & skf21("7","5","4","4","7","4","1","1") = "6"
    & skf21("7","5","4","4","7","4","2","1") = "6"
    & skf21("7","5","4","4","7","4","3","1") = "6"
    & skf21("7","5","4","4","7","4","4","1") = "6"
    & skf21("7","5","4","4","7","4","5","1") = "6"
    & skf21("7","5","4","4","7","4","6","1") = "6"
    & skf21("7","5","4","4","7","4","7","1") = "6"
    & skf21("7","5","4","4","7","5","1","1") = "6"
    & skf21("7","5","4","4","7","5","2","1") = "6"
    & skf21("7","5","4","4","7","5","3","1") = "6"
    & skf21("7","5","4","4","7","5","4","1") = "6"
    & skf21("7","5","4","4","7","5","5","1") = "6"
    & skf21("7","5","4","4","7","5","6","1") = "6"
    & skf21("7","5","4","4","7","5","7","1") = "6"
    & skf21("7","5","4","4","7","6","1","1") = "6"
    & skf21("7","5","4","4","7","6","2","1") = "6"
    & skf21("7","5","4","4","7","6","3","1") = "6"
    & skf21("7","5","4","4","7","6","4","1") = "6"
    & skf21("7","5","4","4","7","6","5","1") = "6"
    & skf21("7","5","4","4","7","6","6","1") = "6"
    & skf21("7","5","4","4","7","6","7","1") = "6"
    & skf21("7","5","4","4","7","7","1","1") = "6"
    & skf21("7","5","4","4","7","7","2","1") = "6"
    & skf21("7","5","4","4","7","7","3","1") = "6"
    & skf21("7","5","4","4","7","7","4","1") = "6"
    & skf21("7","5","4","4","7","7","5","1") = "6"
    & skf21("7","5","4","4","7","7","6","1") = "6"
    & skf21("7","5","4","4","7","7","7","1") = "6"
    & skf21("7","5","4","5","1","1","1","1") = "6"
    & skf21("7","5","4","5","1","1","2","1") = "6"
    & skf21("7","5","4","5","1","1","3","1") = "6"
    & skf21("7","5","4","5","1","1","4","1") = "6"
    & skf21("7","5","4","5","1","1","5","1") = "6"
    & skf21("7","5","4","5","1","1","6","1") = "6"
    & skf21("7","5","4","5","1","1","7","1") = "6"
    & skf21("7","5","4","5","1","2","1","1") = "6"
    & skf21("7","5","4","5","1","2","2","1") = "6"
    & skf21("7","5","4","5","1","2","3","1") = "6"
    & skf21("7","5","4","5","1","2","4","1") = "6"
    & skf21("7","5","4","5","1","2","5","1") = "6"
    & skf21("7","5","4","5","1","2","6","1") = "6"
    & skf21("7","5","4","5","1","2","7","1") = "6"
    & skf21("7","5","4","5","1","3","1","1") = "6"
    & skf21("7","5","4","5","1","3","2","1") = "6"
    & skf21("7","5","4","5","1","3","3","1") = "6"
    & skf21("7","5","4","5","1","3","4","1") = "6"
    & skf21("7","5","4","5","1","3","5","1") = "6"
    & skf21("7","5","4","5","1","3","6","1") = "6"
    & skf21("7","5","4","5","1","3","7","1") = "6"
    & skf21("7","5","4","5","1","4","1","1") = "6"
    & skf21("7","5","4","5","1","4","2","1") = "6"
    & skf21("7","5","4","5","1","4","3","1") = "6"
    & skf21("7","5","4","5","1","4","4","1") = "6"
    & skf21("7","5","4","5","1","4","5","1") = "6"
    & skf21("7","5","4","5","1","4","6","1") = "6"
    & skf21("7","5","4","5","1","4","7","1") = "6"
    & skf21("7","5","4","5","1","5","1","1") = "6"
    & skf21("7","5","4","5","1","5","2","1") = "6"
    & skf21("7","5","4","5","1","5","3","1") = "6"
    & skf21("7","5","4","5","1","5","4","1") = "6"
    & skf21("7","5","4","5","1","5","5","1") = "6"
    & skf21("7","5","4","5","1","5","6","1") = "6"
    & skf21("7","5","4","5","1","5","7","1") = "6"
    & skf21("7","5","4","5","1","6","1","1") = "6"
    & skf21("7","5","4","5","1","6","2","1") = "6"
    & skf21("7","5","4","5","1","6","3","1") = "6"
    & skf21("7","5","4","5","1","6","4","1") = "6"
    & skf21("7","5","4","5","1","6","5","1") = "6"
    & skf21("7","5","4","5","1","6","6","1") = "6"
    & skf21("7","5","4","5","1","6","7","1") = "6"
    & skf21("7","5","4","5","1","7","1","1") = "6"
    & skf21("7","5","4","5","1","7","2","1") = "6"
    & skf21("7","5","4","5","1","7","3","1") = "6"
    & skf21("7","5","4","5","1","7","4","1") = "6"
    & skf21("7","5","4","5","1","7","5","1") = "6"
    & skf21("7","5","4","5","1","7","6","1") = "6"
    & skf21("7","5","4","5","1","7","7","1") = "6"
    & skf21("7","5","4","5","2","1","1","1") = "6"
    & skf21("7","5","4","5","2","1","2","1") = "6"
    & skf21("7","5","4","5","2","1","3","1") = "6"
    & skf21("7","5","4","5","2","1","4","1") = "6"
    & skf21("7","5","4","5","2","1","5","1") = "6"
    & skf21("7","5","4","5","2","1","6","1") = "6"
    & skf21("7","5","4","5","2","1","7","1") = "6"
    & skf21("7","5","4","5","2","2","1","1") = "6"
    & skf21("7","5","4","5","2","2","2","1") = "6"
    & skf21("7","5","4","5","2","2","3","1") = "6"
    & skf21("7","5","4","5","2","2","4","1") = "6"
    & skf21("7","5","4","5","2","2","5","1") = "6"
    & skf21("7","5","4","5","2","2","6","1") = "6"
    & skf21("7","5","4","5","2","2","7","1") = "6"
    & skf21("7","5","4","5","2","3","1","1") = "6"
    & skf21("7","5","4","5","2","3","2","1") = "6"
    & skf21("7","5","4","5","2","3","3","1") = "6"
    & skf21("7","5","4","5","2","3","4","1") = "6"
    & skf21("7","5","4","5","2","3","5","1") = "6"
    & skf21("7","5","4","5","2","3","6","1") = "6"
    & skf21("7","5","4","5","2","3","7","1") = "6"
    & skf21("7","5","4","5","2","4","1","1") = "6"
    & skf21("7","5","4","5","2","4","2","1") = "6"
    & skf21("7","5","4","5","2","4","3","1") = "6"
    & skf21("7","5","4","5","2","4","4","1") = "6"
    & skf21("7","5","4","5","2","4","5","1") = "6"
    & skf21("7","5","4","5","2","4","6","1") = "6"
    & skf21("7","5","4","5","2","4","7","1") = "6"
    & skf21("7","5","4","5","2","5","1","1") = "6"
    & skf21("7","5","4","5","2","5","2","1") = "6"
    & skf21("7","5","4","5","2","5","3","1") = "6"
    & skf21("7","5","4","5","2","5","4","1") = "6"
    & skf21("7","5","4","5","2","5","5","1") = "6"
    & skf21("7","5","4","5","2","5","6","1") = "6"
    & skf21("7","5","4","5","2","5","7","1") = "6"
    & skf21("7","5","4","5","2","6","1","1") = "6"
    & skf21("7","5","4","5","2","6","2","1") = "6"
    & skf21("7","5","4","5","2","6","3","1") = "6"
    & skf21("7","5","4","5","2","6","4","1") = "6"
    & skf21("7","5","4","5","2","6","5","1") = "6"
    & skf21("7","5","4","5","2","6","6","1") = "6"
    & skf21("7","5","4","5","2","6","7","1") = "6"
    & skf21("7","5","4","5","2","7","1","1") = "6"
    & skf21("7","5","4","5","2","7","2","1") = "6"
    & skf21("7","5","4","5","2","7","3","1") = "6"
    & skf21("7","5","4","5","2","7","4","1") = "6"
    & skf21("7","5","4","5","2","7","5","1") = "6"
    & skf21("7","5","4","5","2","7","6","1") = "6"
    & skf21("7","5","4","5","2","7","7","1") = "6"
    & skf21("7","5","4","5","3","1","1","1") = "6"
    & skf21("7","5","4","5","3","1","2","1") = "6"
    & skf21("7","5","4","5","3","1","3","1") = "6"
    & skf21("7","5","4","5","3","1","4","1") = "6"
    & skf21("7","5","4","5","3","1","5","1") = "6"
    & skf21("7","5","4","5","3","1","6","1") = "6"
    & skf21("7","5","4","5","3","1","7","1") = "6"
    & skf21("7","5","4","5","3","2","1","1") = "6"
    & skf21("7","5","4","5","3","2","2","1") = "6"
    & skf21("7","5","4","5","3","2","3","1") = "6"
    & skf21("7","5","4","5","3","2","4","1") = "6"
    & skf21("7","5","4","5","3","2","5","1") = "6"
    & skf21("7","5","4","5","3","2","6","1") = "6"
    & skf21("7","5","4","5","3","2","7","1") = "6"
    & skf21("7","5","4","5","3","3","1","1") = "6"
    & skf21("7","5","4","5","3","3","2","1") = "6"
    & skf21("7","5","4","5","3","3","3","1") = "6"
    & skf21("7","5","4","5","3","3","4","1") = "6"
    & skf21("7","5","4","5","3","3","5","1") = "6"
    & skf21("7","5","4","5","3","3","6","1") = "6"
    & skf21("7","5","4","5","3","3","7","1") = "6"
    & skf21("7","5","4","5","3","4","1","1") = "6"
    & skf21("7","5","4","5","3","4","2","1") = "6"
    & skf21("7","5","4","5","3","4","3","1") = "6"
    & skf21("7","5","4","5","3","4","4","1") = "6"
    & skf21("7","5","4","5","3","4","5","1") = "6"
    & skf21("7","5","4","5","3","4","6","1") = "6"
    & skf21("7","5","4","5","3","4","7","1") = "6"
    & skf21("7","5","4","5","3","5","1","1") = "6"
    & skf21("7","5","4","5","3","5","2","1") = "6"
    & skf21("7","5","4","5","3","5","3","1") = "6"
    & skf21("7","5","4","5","3","5","4","1") = "6"
    & skf21("7","5","4","5","3","5","5","1") = "6"
    & skf21("7","5","4","5","3","5","6","1") = "6"
    & skf21("7","5","4","5","3","5","7","1") = "6"
    & skf21("7","5","4","5","3","6","1","1") = "6"
    & skf21("7","5","4","5","3","6","2","1") = "6"
    & skf21("7","5","4","5","3","6","3","1") = "6"
    & skf21("7","5","4","5","3","6","4","1") = "6"
    & skf21("7","5","4","5","3","6","5","1") = "6"
    & skf21("7","5","4","5","3","6","6","1") = "6"
    & skf21("7","5","4","5","3","6","7","1") = "6"
    & skf21("7","5","4","5","3","7","1","1") = "6"
    & skf21("7","5","4","5","3","7","2","1") = "6"
    & skf21("7","5","4","5","3","7","3","1") = "6"
    & skf21("7","5","4","5","3","7","4","1") = "6"
    & skf21("7","5","4","5","3","7","5","1") = "6"
    & skf21("7","5","4","5","3","7","6","1") = "6"
    & skf21("7","5","4","5","3","7","7","1") = "6"
    & skf21("7","5","4","5","4","1","1","1") = "6"
    & skf21("7","5","4","5","4","1","2","1") = "6"
    & skf21("7","5","4","5","4","1","3","1") = "6"
    & skf21("7","5","4","5","4","1","4","1") = "6"
    & skf21("7","5","4","5","4","1","5","1") = "6"
    & skf21("7","5","4","5","4","1","6","1") = "6"
    & skf21("7","5","4","5","4","1","7","1") = "6"
    & skf21("7","5","4","5","4","2","1","1") = "6"
    & skf21("7","5","4","5","4","2","2","1") = "6"
    & skf21("7","5","4","5","4","2","3","1") = "6"
    & skf21("7","5","4","5","4","2","4","1") = "6"
    & skf21("7","5","4","5","4","2","5","1") = "6"
    & skf21("7","5","4","5","4","2","6","1") = "6"
    & skf21("7","5","4","5","4","2","7","1") = "6"
    & skf21("7","5","4","5","4","3","1","1") = "6"
    & skf21("7","5","4","5","4","3","2","1") = "6"
    & skf21("7","5","4","5","4","3","3","1") = "6"
    & skf21("7","5","4","5","4","3","4","1") = "6"
    & skf21("7","5","4","5","4","3","5","1") = "6"
    & skf21("7","5","4","5","4","3","6","1") = "6"
    & skf21("7","5","4","5","4","3","7","1") = "6"
    & skf21("7","5","4","5","4","4","1","1") = "6"
    & skf21("7","5","4","5","4","4","2","1") = "6"
    & skf21("7","5","4","5","4","4","3","1") = "6"
    & skf21("7","5","4","5","4","4","4","1") = "6"
    & skf21("7","5","4","5","4","4","5","1") = "6"
    & skf21("7","5","4","5","4","4","6","1") = "6"
    & skf21("7","5","4","5","4","4","7","1") = "6"
    & skf21("7","5","4","5","4","5","1","1") = "6"
    & skf21("7","5","4","5","4","5","2","1") = "6"
    & skf21("7","5","4","5","4","5","3","1") = "6"
    & skf21("7","5","4","5","4","5","4","1") = "6"
    & skf21("7","5","4","5","4","5","5","1") = "6"
    & skf21("7","5","4","5","4","5","6","1") = "6"
    & skf21("7","5","4","5","4","5","7","1") = "6"
    & skf21("7","5","4","5","4","6","1","1") = "6"
    & skf21("7","5","4","5","4","6","2","1") = "6"
    & skf21("7","5","4","5","4","6","3","1") = "6"
    & skf21("7","5","4","5","4","6","4","1") = "6"
    & skf21("7","5","4","5","4","6","5","1") = "6"
    & skf21("7","5","4","5","4","6","6","1") = "6"
    & skf21("7","5","4","5","4","6","7","1") = "6"
    & skf21("7","5","4","5","4","7","1","1") = "6"
    & skf21("7","5","4","5","4","7","2","1") = "6"
    & skf21("7","5","4","5","4","7","3","1") = "6"
    & skf21("7","5","4","5","4","7","4","1") = "6"
    & skf21("7","5","4","5","4","7","5","1") = "6"
    & skf21("7","5","4","5","4","7","6","1") = "6"
    & skf21("7","5","4","5","4","7","7","1") = "6"
    & skf21("7","5","4","5","5","1","1","1") = "6"
    & skf21("7","5","4","5","5","1","2","1") = "6"
    & skf21("7","5","4","5","5","1","3","1") = "6"
    & skf21("7","5","4","5","5","1","4","1") = "6"
    & skf21("7","5","4","5","5","1","5","1") = "6"
    & skf21("7","5","4","5","5","1","6","1") = "6"
    & skf21("7","5","4","5","5","1","7","1") = "6"
    & skf21("7","5","4","5","5","2","1","1") = "6"
    & skf21("7","5","4","5","5","2","2","1") = "6"
    & skf21("7","5","4","5","5","2","3","1") = "6"
    & skf21("7","5","4","5","5","2","4","1") = "6"
    & skf21("7","5","4","5","5","2","5","1") = "6"
    & skf21("7","5","4","5","5","2","6","1") = "6"
    & skf21("7","5","4","5","5","2","7","1") = "6"
    & skf21("7","5","4","5","5","3","1","1") = "6"
    & skf21("7","5","4","5","5","3","2","1") = "6"
    & skf21("7","5","4","5","5","3","3","1") = "6"
    & skf21("7","5","4","5","5","3","4","1") = "6"
    & skf21("7","5","4","5","5","3","5","1") = "6"
    & skf21("7","5","4","5","5","3","6","1") = "6"
    & skf21("7","5","4","5","5","3","7","1") = "6"
    & skf21("7","5","4","5","5","4","1","1") = "6"
    & skf21("7","5","4","5","5","4","2","1") = "6"
    & skf21("7","5","4","5","5","4","3","1") = "6"
    & skf21("7","5","4","5","5","4","4","1") = "6"
    & skf21("7","5","4","5","5","4","5","1") = "6"
    & skf21("7","5","4","5","5","4","6","1") = "6"
    & skf21("7","5","4","5","5","4","7","1") = "6"
    & skf21("7","5","4","5","5","5","1","1") = "6"
    & skf21("7","5","4","5","5","5","2","1") = "6"
    & skf21("7","5","4","5","5","5","3","1") = "6"
    & skf21("7","5","4","5","5","5","4","1") = "6"
    & skf21("7","5","4","5","5","5","5","1") = "6"
    & skf21("7","5","4","5","5","5","6","1") = "6"
    & skf21("7","5","4","5","5","5","7","1") = "6"
    & skf21("7","5","4","5","5","6","1","1") = "6"
    & skf21("7","5","4","5","5","6","2","1") = "6"
    & skf21("7","5","4","5","5","6","3","1") = "6"
    & skf21("7","5","4","5","5","6","4","1") = "6"
    & skf21("7","5","4","5","5","6","5","1") = "6"
    & skf21("7","5","4","5","5","6","6","1") = "6"
    & skf21("7","5","4","5","5","6","7","1") = "6"
    & skf21("7","5","4","5","5","7","1","1") = "6"
    & skf21("7","5","4","5","5","7","2","1") = "6"
    & skf21("7","5","4","5","5","7","3","1") = "6"
    & skf21("7","5","4","5","5","7","4","1") = "6"
    & skf21("7","5","4","5","5","7","5","1") = "6"
    & skf21("7","5","4","5","5","7","6","1") = "6"
    & skf21("7","5","4","5","5","7","7","1") = "6"
    & skf21("7","5","4","5","6","1","1","1") = "6"
    & skf21("7","5","4","5","6","1","2","1") = "6"
    & skf21("7","5","4","5","6","1","3","1") = "6"
    & skf21("7","5","4","5","6","1","4","1") = "6"
    & skf21("7","5","4","5","6","1","5","1") = "6"
    & skf21("7","5","4","5","6","1","6","1") = "6"
    & skf21("7","5","4","5","6","1","7","1") = "6"
    & skf21("7","5","4","5","6","2","1","1") = "6"
    & skf21("7","5","4","5","6","2","2","1") = "6"
    & skf21("7","5","4","5","6","2","3","1") = "6"
    & skf21("7","5","4","5","6","2","4","1") = "6"
    & skf21("7","5","4","5","6","2","5","1") = "6"
    & skf21("7","5","4","5","6","2","6","1") = "6"
    & skf21("7","5","4","5","6","2","7","1") = "6"
    & skf21("7","5","4","5","6","3","1","1") = "6"
    & skf21("7","5","4","5","6","3","2","1") = "6"
    & skf21("7","5","4","5","6","3","3","1") = "6"
    & skf21("7","5","4","5","6","3","4","1") = "6"
    & skf21("7","5","4","5","6","3","5","1") = "6"
    & skf21("7","5","4","5","6","3","6","1") = "6"
    & skf21("7","5","4","5","6","3","7","1") = "6"
    & skf21("7","5","4","5","6","4","1","1") = "6"
    & skf21("7","5","4","5","6","4","2","1") = "6"
    & skf21("7","5","4","5","6","4","3","1") = "6"
    & skf21("7","5","4","5","6","4","4","1") = "6"
    & skf21("7","5","4","5","6","4","5","1") = "6"
    & skf21("7","5","4","5","6","4","6","1") = "6"
    & skf21("7","5","4","5","6","4","7","1") = "6"
    & skf21("7","5","4","5","6","5","1","1") = "6"
    & skf21("7","5","4","5","6","5","2","1") = "6"
    & skf21("7","5","4","5","6","5","3","1") = "6"
    & skf21("7","5","4","5","6","5","4","1") = "6"
    & skf21("7","5","4","5","6","5","5","1") = "6"
    & skf21("7","5","4","5","6","5","6","1") = "6"
    & skf21("7","5","4","5","6","5","7","1") = "6"
    & skf21("7","5","4","5","6","6","1","1") = "6"
    & skf21("7","5","4","5","6","6","2","1") = "6"
    & skf21("7","5","4","5","6","6","3","1") = "6"
    & skf21("7","5","4","5","6","6","4","1") = "6"
    & skf21("7","5","4","5","6","6","5","1") = "6"
    & skf21("7","5","4","5","6","6","6","1") = "6"
    & skf21("7","5","4","5","6","6","7","1") = "6"
    & skf21("7","5","4","5","6","7","1","1") = "6"
    & skf21("7","5","4","5","6","7","2","1") = "6"
    & skf21("7","5","4","5","6","7","3","1") = "6"
    & skf21("7","5","4","5","6","7","4","1") = "6"
    & skf21("7","5","4","5","6","7","5","1") = "6"
    & skf21("7","5","4","5","6","7","6","1") = "6"
    & skf21("7","5","4","5","6","7","7","1") = "6"
    & skf21("7","5","4","5","7","1","1","1") = "6"
    & skf21("7","5","4","5","7","1","2","1") = "6"
    & skf21("7","5","4","5","7","1","3","1") = "6"
    & skf21("7","5","4","5","7","1","4","1") = "6"
    & skf21("7","5","4","5","7","1","5","1") = "6"
    & skf21("7","5","4","5","7","1","6","1") = "6"
    & skf21("7","5","4","5","7","1","7","1") = "6"
    & skf21("7","5","4","5","7","2","1","1") = "6"
    & skf21("7","5","4","5","7","2","2","1") = "6"
    & skf21("7","5","4","5","7","2","3","1") = "6"
    & skf21("7","5","4","5","7","2","4","1") = "6"
    & skf21("7","5","4","5","7","2","5","1") = "6"
    & skf21("7","5","4","5","7","2","6","1") = "6"
    & skf21("7","5","4","5","7","2","7","1") = "6"
    & skf21("7","5","4","5","7","3","1","1") = "6"
    & skf21("7","5","4","5","7","3","2","1") = "6"
    & skf21("7","5","4","5","7","3","3","1") = "6"
    & skf21("7","5","4","5","7","3","4","1") = "6"
    & skf21("7","5","4","5","7","3","5","1") = "6"
    & skf21("7","5","4","5","7","3","6","1") = "6"
    & skf21("7","5","4","5","7","3","7","1") = "6"
    & skf21("7","5","4","5","7","4","1","1") = "6"
    & skf21("7","5","4","5","7","4","2","1") = "6"
    & skf21("7","5","4","5","7","4","3","1") = "6"
    & skf21("7","5","4","5","7","4","4","1") = "6"
    & skf21("7","5","4","5","7","4","5","1") = "6"
    & skf21("7","5","4","5","7","4","6","1") = "6"
    & skf21("7","5","4","5","7","4","7","1") = "6"
    & skf21("7","5","4","5","7","5","1","1") = "6"
    & skf21("7","5","4","5","7","5","2","1") = "6"
    & skf21("7","5","4","5","7","5","3","1") = "6"
    & skf21("7","5","4","5","7","5","4","1") = "6"
    & skf21("7","5","4","5","7","5","5","1") = "6"
    & skf21("7","5","4","5","7","5","6","1") = "6"
    & skf21("7","5","4","5","7","5","7","1") = "6"
    & skf21("7","5","4","5","7","6","1","1") = "6"
    & skf21("7","5","4","5","7","6","2","1") = "6"
    & skf21("7","5","4","5","7","6","3","1") = "6"
    & skf21("7","5","4","5","7","6","4","1") = "6"
    & skf21("7","5","4","5","7","6","5","1") = "6"
    & skf21("7","5","4","5","7","6","6","1") = "6"
    & skf21("7","5","4","5","7","6","7","1") = "6"
    & skf21("7","5","4","5","7","7","1","1") = "6"
    & skf21("7","5","4","5","7","7","2","1") = "6"
    & skf21("7","5","4","5","7","7","3","1") = "6"
    & skf21("7","5","4","5","7","7","4","1") = "6"
    & skf21("7","5","4","5","7","7","5","1") = "6"
    & skf21("7","5","4","5","7","7","6","1") = "6"
    & skf21("7","5","4","5","7","7","7","1") = "6"
    & skf21("7","5","4","6","1","1","1","1") = "6"
    & skf21("7","5","4","6","1","1","2","1") = "6"
    & skf21("7","5","4","6","1","1","3","1") = "6"
    & skf21("7","5","4","6","1","1","4","1") = "6"
    & skf21("7","5","4","6","1","1","5","1") = "6"
    & skf21("7","5","4","6","1","1","6","1") = "6"
    & skf21("7","5","4","6","1","1","7","1") = "6"
    & skf21("7","5","4","6","1","2","1","1") = "6"
    & skf21("7","5","4","6","1","2","2","1") = "6"
    & skf21("7","5","4","6","1","2","3","1") = "6"
    & skf21("7","5","4","6","1","2","4","1") = "6"
    & skf21("7","5","4","6","1","2","5","1") = "6"
    & skf21("7","5","4","6","1","2","6","1") = "6"
    & skf21("7","5","4","6","1","2","7","1") = "6"
    & skf21("7","5","4","6","1","3","1","1") = "6"
    & skf21("7","5","4","6","1","3","2","1") = "6"
    & skf21("7","5","4","6","1","3","3","1") = "6"
    & skf21("7","5","4","6","1","3","4","1") = "6"
    & skf21("7","5","4","6","1","3","5","1") = "6"
    & skf21("7","5","4","6","1","3","6","1") = "6"
    & skf21("7","5","4","6","1","3","7","1") = "6"
    & skf21("7","5","4","6","1","4","1","1") = "6"
    & skf21("7","5","4","6","1","4","2","1") = "6"
    & skf21("7","5","4","6","1","4","3","1") = "6"
    & skf21("7","5","4","6","1","4","4","1") = "6"
    & skf21("7","5","4","6","1","4","5","1") = "6"
    & skf21("7","5","4","6","1","4","6","1") = "6"
    & skf21("7","5","4","6","1","4","7","1") = "6"
    & skf21("7","5","4","6","1","5","1","1") = "6"
    & skf21("7","5","4","6","1","5","2","1") = "6"
    & skf21("7","5","4","6","1","5","3","1") = "6"
    & skf21("7","5","4","6","1","5","4","1") = "6"
    & skf21("7","5","4","6","1","5","5","1") = "6"
    & skf21("7","5","4","6","1","5","6","1") = "6"
    & skf21("7","5","4","6","1","5","7","1") = "6"
    & skf21("7","5","4","6","1","6","1","1") = "6"
    & skf21("7","5","4","6","1","6","2","1") = "6"
    & skf21("7","5","4","6","1","6","3","1") = "6"
    & skf21("7","5","4","6","1","6","4","1") = "6"
    & skf21("7","5","4","6","1","6","5","1") = "6"
    & skf21("7","5","4","6","1","6","6","1") = "6"
    & skf21("7","5","4","6","1","6","7","1") = "6"
    & skf21("7","5","4","6","1","7","1","1") = "6"
    & skf21("7","5","4","6","1","7","2","1") = "6"
    & skf21("7","5","4","6","1","7","3","1") = "6"
    & skf21("7","5","4","6","1","7","4","1") = "6"
    & skf21("7","5","4","6","1","7","5","1") = "6"
    & skf21("7","5","4","6","1","7","6","1") = "6"
    & skf21("7","5","4","6","1","7","7","1") = "6"
    & skf21("7","5","4","6","2","1","1","1") = "6"
    & skf21("7","5","4","6","2","1","2","1") = "6"
    & skf21("7","5","4","6","2","1","3","1") = "6"
    & skf21("7","5","4","6","2","1","4","1") = "6"
    & skf21("7","5","4","6","2","1","5","1") = "6"
    & skf21("7","5","4","6","2","1","6","1") = "6"
    & skf21("7","5","4","6","2","1","7","1") = "6"
    & skf21("7","5","4","6","2","2","1","1") = "6"
    & skf21("7","5","4","6","2","2","2","1") = "6"
    & skf21("7","5","4","6","2","2","3","1") = "6"
    & skf21("7","5","4","6","2","2","4","1") = "6"
    & skf21("7","5","4","6","2","2","5","1") = "6"
    & skf21("7","5","4","6","2","2","6","1") = "6"
    & skf21("7","5","4","6","2","2","7","1") = "6"
    & skf21("7","5","4","6","2","3","1","1") = "6"
    & skf21("7","5","4","6","2","3","2","1") = "6"
    & skf21("7","5","4","6","2","3","3","1") = "6"
    & skf21("7","5","4","6","2","3","4","1") = "6"
    & skf21("7","5","4","6","2","3","5","1") = "6"
    & skf21("7","5","4","6","2","3","6","1") = "6"
    & skf21("7","5","4","6","2","3","7","1") = "6"
    & skf21("7","5","4","6","2","4","1","1") = "6"
    & skf21("7","5","4","6","2","4","2","1") = "6"
    & skf21("7","5","4","6","2","4","3","1") = "6"
    & skf21("7","5","4","6","2","4","4","1") = "6"
    & skf21("7","5","4","6","2","4","5","1") = "6"
    & skf21("7","5","4","6","2","4","6","1") = "6"
    & skf21("7","5","4","6","2","4","7","1") = "6"
    & skf21("7","5","4","6","2","5","1","1") = "6"
    & skf21("7","5","4","6","2","5","2","1") = "6"
    & skf21("7","5","4","6","2","5","3","1") = "6"
    & skf21("7","5","4","6","2","5","4","1") = "6"
    & skf21("7","5","4","6","2","5","5","1") = "6"
    & skf21("7","5","4","6","2","5","6","1") = "6"
    & skf21("7","5","4","6","2","5","7","1") = "6"
    & skf21("7","5","4","6","2","6","1","1") = "6"
    & skf21("7","5","4","6","2","6","2","1") = "6"
    & skf21("7","5","4","6","2","6","3","1") = "6"
    & skf21("7","5","4","6","2","6","4","1") = "6"
    & skf21("7","5","4","6","2","6","5","1") = "6"
    & skf21("7","5","4","6","2","6","6","1") = "6"
    & skf21("7","5","4","6","2","6","7","1") = "6"
    & skf21("7","5","4","6","2","7","1","1") = "6"
    & skf21("7","5","4","6","2","7","2","1") = "6"
    & skf21("7","5","4","6","2","7","3","1") = "6"
    & skf21("7","5","4","6","2","7","4","1") = "6"
    & skf21("7","5","4","6","2","7","5","1") = "6"
    & skf21("7","5","4","6","2","7","6","1") = "6"
    & skf21("7","5","4","6","2","7","7","1") = "6"
    & skf21("7","5","4","6","3","1","1","1") = "6"
    & skf21("7","5","4","6","3","1","2","1") = "6"
    & skf21("7","5","4","6","3","1","3","1") = "6"
    & skf21("7","5","4","6","3","1","4","1") = "6"
    & skf21("7","5","4","6","3","1","5","1") = "6"
    & skf21("7","5","4","6","3","1","6","1") = "6"
    & skf21("7","5","4","6","3","1","7","1") = "6"
    & skf21("7","5","4","6","3","2","1","1") = "6"
    & skf21("7","5","4","6","3","2","2","1") = "6"
    & skf21("7","5","4","6","3","2","3","1") = "6"
    & skf21("7","5","4","6","3","2","4","1") = "6"
    & skf21("7","5","4","6","3","2","5","1") = "6"
    & skf21("7","5","4","6","3","2","6","1") = "6"
    & skf21("7","5","4","6","3","2","7","1") = "6"
    & skf21("7","5","4","6","3","3","1","1") = "6"
    & skf21("7","5","4","6","3","3","2","1") = "6"
    & skf21("7","5","4","6","3","3","3","1") = "6"
    & skf21("7","5","4","6","3","3","4","1") = "6"
    & skf21("7","5","4","6","3","3","5","1") = "6"
    & skf21("7","5","4","6","3","3","6","1") = "6"
    & skf21("7","5","4","6","3","3","7","1") = "6"
    & skf21("7","5","4","6","3","4","1","1") = "6"
    & skf21("7","5","4","6","3","4","2","1") = "6"
    & skf21("7","5","4","6","3","4","3","1") = "6"
    & skf21("7","5","4","6","3","4","4","1") = "6"
    & skf21("7","5","4","6","3","4","5","1") = "6"
    & skf21("7","5","4","6","3","4","6","1") = "6"
    & skf21("7","5","4","6","3","4","7","1") = "6"
    & skf21("7","5","4","6","3","5","1","1") = "6"
    & skf21("7","5","4","6","3","5","2","1") = "6"
    & skf21("7","5","4","6","3","5","3","1") = "6"
    & skf21("7","5","4","6","3","5","4","1") = "6"
    & skf21("7","5","4","6","3","5","5","1") = "6"
    & skf21("7","5","4","6","3","5","6","1") = "6"
    & skf21("7","5","4","6","3","5","7","1") = "6"
    & skf21("7","5","4","6","3","6","1","1") = "6"
    & skf21("7","5","4","6","3","6","2","1") = "6"
    & skf21("7","5","4","6","3","6","3","1") = "6"
    & skf21("7","5","4","6","3","6","4","1") = "6"
    & skf21("7","5","4","6","3","6","5","1") = "6"
    & skf21("7","5","4","6","3","6","6","1") = "6"
    & skf21("7","5","4","6","3","6","7","1") = "6"
    & skf21("7","5","4","6","3","7","1","1") = "6"
    & skf21("7","5","4","6","3","7","2","1") = "6"
    & skf21("7","5","4","6","3","7","3","1") = "6"
    & skf21("7","5","4","6","3","7","4","1") = "6"
    & skf21("7","5","4","6","3","7","5","1") = "6"
    & skf21("7","5","4","6","3","7","6","1") = "6"
    & skf21("7","5","4","6","3","7","7","1") = "6"
    & skf21("7","5","4","6","4","1","1","1") = "6"
    & skf21("7","5","4","6","4","1","2","1") = "6"
    & skf21("7","5","4","6","4","1","3","1") = "6"
    & skf21("7","5","4","6","4","1","4","1") = "6"
    & skf21("7","5","4","6","4","1","5","1") = "6"
    & skf21("7","5","4","6","4","1","6","1") = "6"
    & skf21("7","5","4","6","4","1","7","1") = "6"
    & skf21("7","5","4","6","4","2","1","1") = "6"
    & skf21("7","5","4","6","4","2","2","1") = "6"
    & skf21("7","5","4","6","4","2","3","1") = "6"
    & skf21("7","5","4","6","4","2","4","1") = "6"
    & skf21("7","5","4","6","4","2","5","1") = "6"
    & skf21("7","5","4","6","4","2","6","1") = "6"
    & skf21("7","5","4","6","4","2","7","1") = "6"
    & skf21("7","5","4","6","4","3","1","1") = "6"
    & skf21("7","5","4","6","4","3","2","1") = "6"
    & skf21("7","5","4","6","4","3","3","1") = "6"
    & skf21("7","5","4","6","4","3","4","1") = "6"
    & skf21("7","5","4","6","4","3","5","1") = "6"
    & skf21("7","5","4","6","4","3","6","1") = "6"
    & skf21("7","5","4","6","4","3","7","1") = "6"
    & skf21("7","5","4","6","4","4","1","1") = "6"
    & skf21("7","5","4","6","4","4","2","1") = "6"
    & skf21("7","5","4","6","4","4","3","1") = "6"
    & skf21("7","5","4","6","4","4","4","1") = "6"
    & skf21("7","5","4","6","4","4","5","1") = "6"
    & skf21("7","5","4","6","4","4","6","1") = "6"
    & skf21("7","5","4","6","4","4","7","1") = "6"
    & skf21("7","5","4","6","4","5","1","1") = "6"
    & skf21("7","5","4","6","4","5","2","1") = "6"
    & skf21("7","5","4","6","4","5","3","1") = "6"
    & skf21("7","5","4","6","4","5","4","1") = "6"
    & skf21("7","5","4","6","4","5","5","1") = "6"
    & skf21("7","5","4","6","4","5","6","1") = "6"
    & skf21("7","5","4","6","4","5","7","1") = "6"
    & skf21("7","5","4","6","4","6","1","1") = "6"
    & skf21("7","5","4","6","4","6","2","1") = "6"
    & skf21("7","5","4","6","4","6","3","1") = "6"
    & skf21("7","5","4","6","4","6","4","1") = "6"
    & skf21("7","5","4","6","4","6","5","1") = "6"
    & skf21("7","5","4","6","4","6","6","1") = "6"
    & skf21("7","5","4","6","4","6","7","1") = "6"
    & skf21("7","5","4","6","4","7","1","1") = "6"
    & skf21("7","5","4","6","4","7","2","1") = "6"
    & skf21("7","5","4","6","4","7","3","1") = "6"
    & skf21("7","5","4","6","4","7","4","1") = "6"
    & skf21("7","5","4","6","4","7","5","1") = "6"
    & skf21("7","5","4","6","4","7","6","1") = "6"
    & skf21("7","5","4","6","4","7","7","1") = "6"
    & skf21("7","5","4","6","5","1","1","1") = "6"
    & skf21("7","5","4","6","5","1","2","1") = "6"
    & skf21("7","5","4","6","5","1","3","1") = "6"
    & skf21("7","5","4","6","5","1","4","1") = "6"
    & skf21("7","5","4","6","5","1","5","1") = "6"
    & skf21("7","5","4","6","5","1","6","1") = "6"
    & skf21("7","5","4","6","5","1","7","1") = "6"
    & skf21("7","5","4","6","5","2","1","1") = "6"
    & skf21("7","5","4","6","5","2","2","1") = "6"
    & skf21("7","5","4","6","5","2","3","1") = "6"
    & skf21("7","5","4","6","5","2","4","1") = "6"
    & skf21("7","5","4","6","5","2","5","1") = "6"
    & skf21("7","5","4","6","5","2","6","1") = "6"
    & skf21("7","5","4","6","5","2","7","1") = "6"
    & skf21("7","5","4","6","5","3","1","1") = "6"
    & skf21("7","5","4","6","5","3","2","1") = "6"
    & skf21("7","5","4","6","5","3","3","1") = "6"
    & skf21("7","5","4","6","5","3","4","1") = "6"
    & skf21("7","5","4","6","5","3","5","1") = "6"
    & skf21("7","5","4","6","5","3","6","1") = "6"
    & skf21("7","5","4","6","5","3","7","1") = "6"
    & skf21("7","5","4","6","5","4","1","1") = "6"
    & skf21("7","5","4","6","5","4","2","1") = "6"
    & skf21("7","5","4","6","5","4","3","1") = "6"
    & skf21("7","5","4","6","5","4","4","1") = "6"
    & skf21("7","5","4","6","5","4","5","1") = "6"
    & skf21("7","5","4","6","5","4","6","1") = "6"
    & skf21("7","5","4","6","5","4","7","1") = "6"
    & skf21("7","5","4","6","5","5","1","1") = "6"
    & skf21("7","5","4","6","5","5","2","1") = "6"
    & skf21("7","5","4","6","5","5","3","1") = "6"
    & skf21("7","5","4","6","5","5","4","1") = "6"
    & skf21("7","5","4","6","5","5","5","1") = "6"
    & skf21("7","5","4","6","5","5","6","1") = "6"
    & skf21("7","5","4","6","5","5","7","1") = "6"
    & skf21("7","5","4","6","5","6","1","1") = "6"
    & skf21("7","5","4","6","5","6","2","1") = "6"
    & skf21("7","5","4","6","5","6","3","1") = "6"
    & skf21("7","5","4","6","5","6","4","1") = "6"
    & skf21("7","5","4","6","5","6","5","1") = "6"
    & skf21("7","5","4","6","5","6","6","1") = "6"
    & skf21("7","5","4","6","5","6","7","1") = "6"
    & skf21("7","5","4","6","5","7","1","1") = "6"
    & skf21("7","5","4","6","5","7","2","1") = "6"
    & skf21("7","5","4","6","5","7","3","1") = "6"
    & skf21("7","5","4","6","5","7","4","1") = "6"
    & skf21("7","5","4","6","5","7","5","1") = "6"
    & skf21("7","5","4","6","5","7","6","1") = "6"
    & skf21("7","5","4","6","5","7","7","1") = "6"
    & skf21("7","5","4","6","6","1","1","1") = "6"
    & skf21("7","5","4","6","6","1","2","1") = "6"
    & skf21("7","5","4","6","6","1","3","1") = "6"
    & skf21("7","5","4","6","6","1","4","1") = "6"
    & skf21("7","5","4","6","6","1","5","1") = "6"
    & skf21("7","5","4","6","6","1","6","1") = "6"
    & skf21("7","5","4","6","6","1","7","1") = "6"
    & skf21("7","5","4","6","6","2","1","1") = "6"
    & skf21("7","5","4","6","6","2","2","1") = "6"
    & skf21("7","5","4","6","6","2","3","1") = "6"
    & skf21("7","5","4","6","6","2","4","1") = "6"
    & skf21("7","5","4","6","6","2","5","1") = "6"
    & skf21("7","5","4","6","6","2","6","1") = "6"
    & skf21("7","5","4","6","6","2","7","1") = "6"
    & skf21("7","5","4","6","6","3","1","1") = "6"
    & skf21("7","5","4","6","6","3","2","1") = "6"
    & skf21("7","5","4","6","6","3","3","1") = "6"
    & skf21("7","5","4","6","6","3","4","1") = "6"
    & skf21("7","5","4","6","6","3","5","1") = "6"
    & skf21("7","5","4","6","6","3","6","1") = "6"
    & skf21("7","5","4","6","6","3","7","1") = "6"
    & skf21("7","5","4","6","6","4","1","1") = "6"
    & skf21("7","5","4","6","6","4","2","1") = "6"
    & skf21("7","5","4","6","6","4","3","1") = "6"
    & skf21("7","5","4","6","6","4","4","1") = "6"
    & skf21("7","5","4","6","6","4","5","1") = "6"
    & skf21("7","5","4","6","6","4","6","1") = "6"
    & skf21("7","5","4","6","6","4","7","1") = "6"
    & skf21("7","5","4","6","6","5","1","1") = "6"
    & skf21("7","5","4","6","6","5","2","1") = "6"
    & skf21("7","5","4","6","6","5","3","1") = "6"
    & skf21("7","5","4","6","6","5","4","1") = "6"
    & skf21("7","5","4","6","6","5","5","1") = "6"
    & skf21("7","5","4","6","6","5","6","1") = "6"
    & skf21("7","5","4","6","6","5","7","1") = "6"
    & skf21("7","5","4","6","6","6","1","1") = "6"
    & skf21("7","5","4","6","6","6","2","1") = "6"
    & skf21("7","5","4","6","6","6","3","1") = "6"
    & skf21("7","5","4","6","6","6","4","1") = "6"
    & skf21("7","5","4","6","6","6","5","1") = "6"
    & skf21("7","5","4","6","6","6","6","1") = "6"
    & skf21("7","5","4","6","6","6","7","1") = "6"
    & skf21("7","5","4","6","6","7","1","1") = "6"
    & skf21("7","5","4","6","6","7","2","1") = "6"
    & skf21("7","5","4","6","6","7","3","1") = "6"
    & skf21("7","5","4","6","6","7","4","1") = "6"
    & skf21("7","5","4","6","6","7","5","1") = "6"
    & skf21("7","5","4","6","6","7","6","1") = "6"
    & skf21("7","5","4","6","6","7","7","1") = "6"
    & skf21("7","5","4","6","7","1","1","1") = "6"
    & skf21("7","5","4","6","7","1","2","1") = "6"
    & skf21("7","5","4","6","7","1","3","1") = "6"
    & skf21("7","5","4","6","7","1","4","1") = "6"
    & skf21("7","5","4","6","7","1","5","1") = "6"
    & skf21("7","5","4","6","7","1","6","1") = "6"
    & skf21("7","5","4","6","7","1","7","1") = "6"
    & skf21("7","5","4","6","7","2","1","1") = "6"
    & skf21("7","5","4","6","7","2","2","1") = "6"
    & skf21("7","5","4","6","7","2","3","1") = "6"
    & skf21("7","5","4","6","7","2","4","1") = "6"
    & skf21("7","5","4","6","7","2","5","1") = "6"
    & skf21("7","5","4","6","7","2","6","1") = "6"
    & skf21("7","5","4","6","7","2","7","1") = "6"
    & skf21("7","5","4","6","7","3","1","1") = "6"
    & skf21("7","5","4","6","7","3","2","1") = "6"
    & skf21("7","5","4","6","7","3","3","1") = "6"
    & skf21("7","5","4","6","7","3","4","1") = "6"
    & skf21("7","5","4","6","7","3","5","1") = "6"
    & skf21("7","5","4","6","7","3","6","1") = "6"
    & skf21("7","5","4","6","7","3","7","1") = "6"
    & skf21("7","5","4","6","7","4","1","1") = "6"
    & skf21("7","5","4","6","7","4","2","1") = "6"
    & skf21("7","5","4","6","7","4","3","1") = "6"
    & skf21("7","5","4","6","7","4","4","1") = "6"
    & skf21("7","5","4","6","7","4","5","1") = "6"
    & skf21("7","5","4","6","7","4","6","1") = "6"
    & skf21("7","5","4","6","7","4","7","1") = "6"
    & skf21("7","5","4","6","7","5","1","1") = "6"
    & skf21("7","5","4","6","7","5","2","1") = "6"
    & skf21("7","5","4","6","7","5","3","1") = "6"
    & skf21("7","5","4","6","7","5","4","1") = "6"
    & skf21("7","5","4","6","7","5","5","1") = "6"
    & skf21("7","5","4","6","7","5","6","1") = "6"
    & skf21("7","5","4","6","7","5","7","1") = "6"
    & skf21("7","5","4","6","7","6","1","1") = "6"
    & skf21("7","5","4","6","7","6","2","1") = "6"
    & skf21("7","5","4","6","7","6","3","1") = "6"
    & skf21("7","5","4","6","7","6","4","1") = "6"
    & skf21("7","5","4","6","7","6","5","1") = "6"
    & skf21("7","5","4","6","7","6","6","1") = "6"
    & skf21("7","5","4","6","7","6","7","1") = "6"
    & skf21("7","5","4","6","7","7","1","1") = "6"
    & skf21("7","5","4","6","7","7","2","1") = "6"
    & skf21("7","5","4","6","7","7","3","1") = "6"
    & skf21("7","5","4","6","7","7","4","1") = "6"
    & skf21("7","5","4","6","7","7","5","1") = "6"
    & skf21("7","5","4","6","7","7","6","1") = "6"
    & skf21("7","5","4","6","7","7","7","1") = "6"
    & skf21("7","5","4","7","1","1","1","1") = "6"
    & skf21("7","5","4","7","1","1","2","1") = "6"
    & skf21("7","5","4","7","1","1","3","1") = "6"
    & skf21("7","5","4","7","1","1","4","1") = "6"
    & skf21("7","5","4","7","1","1","5","1") = "6"
    & skf21("7","5","4","7","1","1","6","1") = "6"
    & skf21("7","5","4","7","1","1","7","1") = "6"
    & skf21("7","5","4","7","1","2","1","1") = "6"
    & skf21("7","5","4","7","1","2","2","1") = "6"
    & skf21("7","5","4","7","1","2","3","1") = "6"
    & skf21("7","5","4","7","1","2","4","1") = "6"
    & skf21("7","5","4","7","1","2","5","1") = "6"
    & skf21("7","5","4","7","1","2","6","1") = "6"
    & skf21("7","5","4","7","1","2","7","1") = "6"
    & skf21("7","5","4","7","1","3","1","1") = "6"
    & skf21("7","5","4","7","1","3","2","1") = "6"
    & skf21("7","5","4","7","1","3","3","1") = "6"
    & skf21("7","5","4","7","1","3","4","1") = "6"
    & skf21("7","5","4","7","1","3","5","1") = "6"
    & skf21("7","5","4","7","1","3","6","1") = "6"
    & skf21("7","5","4","7","1","3","7","1") = "6"
    & skf21("7","5","4","7","1","4","1","1") = "6"
    & skf21("7","5","4","7","1","4","2","1") = "6"
    & skf21("7","5","4","7","1","4","3","1") = "6"
    & skf21("7","5","4","7","1","4","4","1") = "6"
    & skf21("7","5","4","7","1","4","5","1") = "6"
    & skf21("7","5","4","7","1","4","6","1") = "6"
    & skf21("7","5","4","7","1","4","7","1") = "6"
    & skf21("7","5","4","7","1","5","1","1") = "6"
    & skf21("7","5","4","7","1","5","2","1") = "6"
    & skf21("7","5","4","7","1","5","3","1") = "6"
    & skf21("7","5","4","7","1","5","4","1") = "6"
    & skf21("7","5","4","7","1","5","5","1") = "6"
    & skf21("7","5","4","7","1","5","6","1") = "6"
    & skf21("7","5","4","7","1","5","7","1") = "6"
    & skf21("7","5","4","7","1","6","1","1") = "6"
    & skf21("7","5","4","7","1","6","2","1") = "6"
    & skf21("7","5","4","7","1","6","3","1") = "6"
    & skf21("7","5","4","7","1","6","4","1") = "6"
    & skf21("7","5","4","7","1","6","5","1") = "6"
    & skf21("7","5","4","7","1","6","6","1") = "6"
    & skf21("7","5","4","7","1","6","7","1") = "6"
    & skf21("7","5","4","7","1","7","1","1") = "6"
    & skf21("7","5","4","7","1","7","2","1") = "6"
    & skf21("7","5","4","7","1","7","3","1") = "6"
    & skf21("7","5","4","7","1","7","4","1") = "6"
    & skf21("7","5","4","7","1","7","5","1") = "6"
    & skf21("7","5","4","7","1","7","6","1") = "6"
    & skf21("7","5","4","7","1","7","7","1") = "6"
    & skf21("7","5","4","7","2","1","1","1") = "6"
    & skf21("7","5","4","7","2","1","2","1") = "6"
    & skf21("7","5","4","7","2","1","3","1") = "6"
    & skf21("7","5","4","7","2","1","4","1") = "6"
    & skf21("7","5","4","7","2","1","5","1") = "6"
    & skf21("7","5","4","7","2","1","6","1") = "6"
    & skf21("7","5","4","7","2","1","7","1") = "6"
    & skf21("7","5","4","7","2","2","1","1") = "6"
    & skf21("7","5","4","7","2","2","2","1") = "6"
    & skf21("7","5","4","7","2","2","3","1") = "6"
    & skf21("7","5","4","7","2","2","4","1") = "6"
    & skf21("7","5","4","7","2","2","5","1") = "6"
    & skf21("7","5","4","7","2","2","6","1") = "6"
    & skf21("7","5","4","7","2","2","7","1") = "6"
    & skf21("7","5","4","7","2","3","1","1") = "6"
    & skf21("7","5","4","7","2","3","2","1") = "6"
    & skf21("7","5","4","7","2","3","3","1") = "6"
    & skf21("7","5","4","7","2","3","4","1") = "6"
    & skf21("7","5","4","7","2","3","5","1") = "6"
    & skf21("7","5","4","7","2","3","6","1") = "6"
    & skf21("7","5","4","7","2","3","7","1") = "6"
    & skf21("7","5","4","7","2","4","1","1") = "6"
    & skf21("7","5","4","7","2","4","2","1") = "6"
    & skf21("7","5","4","7","2","4","3","1") = "6"
    & skf21("7","5","4","7","2","4","4","1") = "6"
    & skf21("7","5","4","7","2","4","5","1") = "6"
    & skf21("7","5","4","7","2","4","6","1") = "6"
    & skf21("7","5","4","7","2","4","7","1") = "6"
    & skf21("7","5","4","7","2","5","1","1") = "6"
    & skf21("7","5","4","7","2","5","2","1") = "6"
    & skf21("7","5","4","7","2","5","3","1") = "6"
    & skf21("7","5","4","7","2","5","4","1") = "6"
    & skf21("7","5","4","7","2","5","5","1") = "6"
    & skf21("7","5","4","7","2","5","6","1") = "6"
    & skf21("7","5","4","7","2","5","7","1") = "6"
    & skf21("7","5","4","7","2","6","1","1") = "6"
    & skf21("7","5","4","7","2","6","2","1") = "6"
    & skf21("7","5","4","7","2","6","3","1") = "6"
    & skf21("7","5","4","7","2","6","4","1") = "6"
    & skf21("7","5","4","7","2","6","5","1") = "6"
    & skf21("7","5","4","7","2","6","6","1") = "6"
    & skf21("7","5","4","7","2","6","7","1") = "6"
    & skf21("7","5","4","7","2","7","1","1") = "6"
    & skf21("7","5","4","7","2","7","2","1") = "6"
    & skf21("7","5","4","7","2","7","3","1") = "6"
    & skf21("7","5","4","7","2","7","4","1") = "6"
    & skf21("7","5","4","7","2","7","5","1") = "6"
    & skf21("7","5","4","7","2","7","6","1") = "6"
    & skf21("7","5","4","7","2","7","7","1") = "6"
    & skf21("7","5","4","7","3","1","1","1") = "6"
    & skf21("7","5","4","7","3","1","2","1") = "6"
    & skf21("7","5","4","7","3","1","3","1") = "6"
    & skf21("7","5","4","7","3","1","4","1") = "6"
    & skf21("7","5","4","7","3","1","5","1") = "6"
    & skf21("7","5","4","7","3","1","6","1") = "6"
    & skf21("7","5","4","7","3","1","7","1") = "6"
    & skf21("7","5","4","7","3","2","1","1") = "6"
    & skf21("7","5","4","7","3","2","2","1") = "6"
    & skf21("7","5","4","7","3","2","3","1") = "6"
    & skf21("7","5","4","7","3","2","4","1") = "6"
    & skf21("7","5","4","7","3","2","5","1") = "6"
    & skf21("7","5","4","7","3","2","6","1") = "6"
    & skf21("7","5","4","7","3","2","7","1") = "6"
    & skf21("7","5","4","7","3","3","1","1") = "6"
    & skf21("7","5","4","7","3","3","2","1") = "6"
    & skf21("7","5","4","7","3","3","3","1") = "6"
    & skf21("7","5","4","7","3","3","4","1") = "6"
    & skf21("7","5","4","7","3","3","5","1") = "6"
    & skf21("7","5","4","7","3","3","6","1") = "6"
    & skf21("7","5","4","7","3","3","7","1") = "6"
    & skf21("7","5","4","7","3","4","1","1") = "6"
    & skf21("7","5","4","7","3","4","2","1") = "6"
    & skf21("7","5","4","7","3","4","3","1") = "6"
    & skf21("7","5","4","7","3","4","4","1") = "6"
    & skf21("7","5","4","7","3","4","5","1") = "6"
    & skf21("7","5","4","7","3","4","6","1") = "6"
    & skf21("7","5","4","7","3","4","7","1") = "6"
    & skf21("7","5","4","7","3","5","1","1") = "6"
    & skf21("7","5","4","7","3","5","2","1") = "6"
    & skf21("7","5","4","7","3","5","3","1") = "6"
    & skf21("7","5","4","7","3","5","4","1") = "6"
    & skf21("7","5","4","7","3","5","5","1") = "6"
    & skf21("7","5","4","7","3","5","6","1") = "6"
    & skf21("7","5","4","7","3","5","7","1") = "6"
    & skf21("7","5","4","7","3","6","1","1") = "6"
    & skf21("7","5","4","7","3","6","2","1") = "6"
    & skf21("7","5","4","7","3","6","3","1") = "6"
    & skf21("7","5","4","7","3","6","4","1") = "6"
    & skf21("7","5","4","7","3","6","5","1") = "6"
    & skf21("7","5","4","7","3","6","6","1") = "6"
    & skf21("7","5","4","7","3","6","7","1") = "6"
    & skf21("7","5","4","7","3","7","1","1") = "6"
    & skf21("7","5","4","7","3","7","2","1") = "6"
    & skf21("7","5","4","7","3","7","3","1") = "6"
    & skf21("7","5","4","7","3","7","4","1") = "6"
    & skf21("7","5","4","7","3","7","5","1") = "6"
    & skf21("7","5","4","7","3","7","6","1") = "6"
    & skf21("7","5","4","7","3","7","7","1") = "6"
    & skf21("7","5","4","7","4","1","1","1") = "6"
    & skf21("7","5","4","7","4","1","2","1") = "6"
    & skf21("7","5","4","7","4","1","3","1") = "6"
    & skf21("7","5","4","7","4","1","4","1") = "6"
    & skf21("7","5","4","7","4","1","5","1") = "6"
    & skf21("7","5","4","7","4","1","6","1") = "6"
    & skf21("7","5","4","7","4","1","7","1") = "6"
    & skf21("7","5","4","7","4","2","1","1") = "6"
    & skf21("7","5","4","7","4","2","2","1") = "6"
    & skf21("7","5","4","7","4","2","3","1") = "6"
    & skf21("7","5","4","7","4","2","4","1") = "6"
    & skf21("7","5","4","7","4","2","5","1") = "6"
    & skf21("7","5","4","7","4","2","6","1") = "6"
    & skf21("7","5","4","7","4","2","7","1") = "6"
    & skf21("7","5","4","7","4","3","1","1") = "6"
    & skf21("7","5","4","7","4","3","2","1") = "6"
    & skf21("7","5","4","7","4","3","3","1") = "6"
    & skf21("7","5","4","7","4","3","4","1") = "6"
    & skf21("7","5","4","7","4","3","5","1") = "6"
    & skf21("7","5","4","7","4","3","6","1") = "6"
    & skf21("7","5","4","7","4","3","7","1") = "6"
    & skf21("7","5","4","7","4","4","1","1") = "6"
    & skf21("7","5","4","7","4","4","2","1") = "6"
    & skf21("7","5","4","7","4","4","3","1") = "6"
    & skf21("7","5","4","7","4","4","4","1") = "6"
    & skf21("7","5","4","7","4","4","5","1") = "6"
    & skf21("7","5","4","7","4","4","6","1") = "6"
    & skf21("7","5","4","7","4","4","7","1") = "6"
    & skf21("7","5","4","7","4","5","1","1") = "6"
    & skf21("7","5","4","7","4","5","2","1") = "6"
    & skf21("7","5","4","7","4","5","3","1") = "6"
    & skf21("7","5","4","7","4","5","4","1") = "6"
    & skf21("7","5","4","7","4","5","5","1") = "6"
    & skf21("7","5","4","7","4","5","6","1") = "6"
    & skf21("7","5","4","7","4","5","7","1") = "6"
    & skf21("7","5","4","7","4","6","1","1") = "6"
    & skf21("7","5","4","7","4","6","2","1") = "6"
    & skf21("7","5","4","7","4","6","3","1") = "6"
    & skf21("7","5","4","7","4","6","4","1") = "6"
    & skf21("7","5","4","7","4","6","5","1") = "6"
    & skf21("7","5","4","7","4","6","6","1") = "6"
    & skf21("7","5","4","7","4","6","7","1") = "6"
    & skf21("7","5","4","7","4","7","1","1") = "6"
    & skf21("7","5","4","7","4","7","2","1") = "6"
    & skf21("7","5","4","7","4","7","3","1") = "6"
    & skf21("7","5","4","7","4","7","4","1") = "6"
    & skf21("7","5","4","7","4","7","5","1") = "6"
    & skf21("7","5","4","7","4","7","6","1") = "6"
    & skf21("7","5","4","7","4","7","7","1") = "6"
    & skf21("7","5","4","7","5","1","1","1") = "6"
    & skf21("7","5","4","7","5","1","2","1") = "6"
    & skf21("7","5","4","7","5","1","3","1") = "6"
    & skf21("7","5","4","7","5","1","4","1") = "6"
    & skf21("7","5","4","7","5","1","5","1") = "6"
    & skf21("7","5","4","7","5","1","6","1") = "6"
    & skf21("7","5","4","7","5","1","7","1") = "6"
    & skf21("7","5","4","7","5","2","1","1") = "6"
    & skf21("7","5","4","7","5","2","2","1") = "6"
    & skf21("7","5","4","7","5","2","3","1") = "6"
    & skf21("7","5","4","7","5","2","4","1") = "6"
    & skf21("7","5","4","7","5","2","5","1") = "6"
    & skf21("7","5","4","7","5","2","6","1") = "6"
    & skf21("7","5","4","7","5","2","7","1") = "6"
    & skf21("7","5","4","7","5","3","1","1") = "6"
    & skf21("7","5","4","7","5","3","2","1") = "6"
    & skf21("7","5","4","7","5","3","3","1") = "6"
    & skf21("7","5","4","7","5","3","4","1") = "6"
    & skf21("7","5","4","7","5","3","5","1") = "6"
    & skf21("7","5","4","7","5","3","6","1") = "6"
    & skf21("7","5","4","7","5","3","7","1") = "6"
    & skf21("7","5","4","7","5","4","1","1") = "6"
    & skf21("7","5","4","7","5","4","2","1") = "6"
    & skf21("7","5","4","7","5","4","3","1") = "6"
    & skf21("7","5","4","7","5","4","4","1") = "6"
    & skf21("7","5","4","7","5","4","5","1") = "6"
    & skf21("7","5","4","7","5","4","6","1") = "6"
    & skf21("7","5","4","7","5","4","7","1") = "6"
    & skf21("7","5","4","7","5","5","1","1") = "6"
    & skf21("7","5","4","7","5","5","2","1") = "6"
    & skf21("7","5","4","7","5","5","3","1") = "6"
    & skf21("7","5","4","7","5","5","4","1") = "6"
    & skf21("7","5","4","7","5","5","5","1") = "6"
    & skf21("7","5","4","7","5","5","6","1") = "6"
    & skf21("7","5","4","7","5","5","7","1") = "6"
    & skf21("7","5","4","7","5","6","1","1") = "6"
    & skf21("7","5","4","7","5","6","2","1") = "6"
    & skf21("7","5","4","7","5","6","3","1") = "6"
    & skf21("7","5","4","7","5","6","4","1") = "6"
    & skf21("7","5","4","7","5","6","5","1") = "6"
    & skf21("7","5","4","7","5","6","6","1") = "6"
    & skf21("7","5","4","7","5","6","7","1") = "6"
    & skf21("7","5","4","7","5","7","1","1") = "6"
    & skf21("7","5","4","7","5","7","2","1") = "6"
    & skf21("7","5","4","7","5","7","3","1") = "6"
    & skf21("7","5","4","7","5","7","4","1") = "6"
    & skf21("7","5","4","7","5","7","5","1") = "6"
    & skf21("7","5","4","7","5","7","6","1") = "6"
    & skf21("7","5","4","7","5","7","7","1") = "6"
    & skf21("7","5","4","7","6","1","1","1") = "6"
    & skf21("7","5","4","7","6","1","2","1") = "6"
    & skf21("7","5","4","7","6","1","3","1") = "6"
    & skf21("7","5","4","7","6","1","4","1") = "6"
    & skf21("7","5","4","7","6","1","5","1") = "6"
    & skf21("7","5","4","7","6","1","6","1") = "6"
    & skf21("7","5","4","7","6","1","7","1") = "6"
    & skf21("7","5","4","7","6","2","1","1") = "6"
    & skf21("7","5","4","7","6","2","2","1") = "6"
    & skf21("7","5","4","7","6","2","3","1") = "6"
    & skf21("7","5","4","7","6","2","4","1") = "6"
    & skf21("7","5","4","7","6","2","5","1") = "6"
    & skf21("7","5","4","7","6","2","6","1") = "6"
    & skf21("7","5","4","7","6","2","7","1") = "6"
    & skf21("7","5","4","7","6","3","1","1") = "6"
    & skf21("7","5","4","7","6","3","2","1") = "6"
    & skf21("7","5","4","7","6","3","3","1") = "6"
    & skf21("7","5","4","7","6","3","4","1") = "6"
    & skf21("7","5","4","7","6","3","5","1") = "6"
    & skf21("7","5","4","7","6","3","6","1") = "6"
    & skf21("7","5","4","7","6","3","7","1") = "6"
    & skf21("7","5","4","7","6","4","1","1") = "6"
    & skf21("7","5","4","7","6","4","2","1") = "6"
    & skf21("7","5","4","7","6","4","3","1") = "6"
    & skf21("7","5","4","7","6","4","4","1") = "6"
    & skf21("7","5","4","7","6","4","5","1") = "6"
    & skf21("7","5","4","7","6","4","6","1") = "6"
    & skf21("7","5","4","7","6","4","7","1") = "6"
    & skf21("7","5","4","7","6","5","1","1") = "6"
    & skf21("7","5","4","7","6","5","2","1") = "6"
    & skf21("7","5","4","7","6","5","3","1") = "6"
    & skf21("7","5","4","7","6","5","4","1") = "6"
    & skf21("7","5","4","7","6","5","5","1") = "6"
    & skf21("7","5","4","7","6","5","6","1") = "6"
    & skf21("7","5","4","7","6","5","7","1") = "6"
    & skf21("7","5","4","7","6","6","1","1") = "6"
    & skf21("7","5","4","7","6","6","2","1") = "6"
    & skf21("7","5","4","7","6","6","3","1") = "6"
    & skf21("7","5","4","7","6","6","4","1") = "6"
    & skf21("7","5","4","7","6","6","5","1") = "6"
    & skf21("7","5","4","7","6","6","6","1") = "6"
    & skf21("7","5","4","7","6","6","7","1") = "6"
    & skf21("7","5","4","7","6","7","1","1") = "6"
    & skf21("7","5","4","7","6","7","2","1") = "6"
    & skf21("7","5","4","7","6","7","3","1") = "6"
    & skf21("7","5","4","7","6","7","4","1") = "6"
    & skf21("7","5","4","7","6","7","5","1") = "6"
    & skf21("7","5","4","7","6","7","6","1") = "6"
    & skf21("7","5","4","7","6","7","7","1") = "6"
    & skf21("7","5","4","7","7","1","1","1") = "6"
    & skf21("7","5","4","7","7","1","2","1") = "6"
    & skf21("7","5","4","7","7","1","3","1") = "6"
    & skf21("7","5","4","7","7","1","4","1") = "6"
    & skf21("7","5","4","7","7","1","5","1") = "6"
    & skf21("7","5","4","7","7","1","6","1") = "6"
    & skf21("7","5","4","7","7","1","7","1") = "6"
    & skf21("7","5","4","7","7","2","1","1") = "6"
    & skf21("7","5","4","7","7","2","2","1") = "6"
    & skf21("7","5","4","7","7","2","3","1") = "6"
    & skf21("7","5","4","7","7","2","4","1") = "6"
    & skf21("7","5","4","7","7","2","5","1") = "6"
    & skf21("7","5","4","7","7","2","6","1") = "6"
    & skf21("7","5","4","7","7","2","7","1") = "6"
    & skf21("7","5","4","7","7","3","1","1") = "6"
    & skf21("7","5","4","7","7","3","2","1") = "6"
    & skf21("7","5","4","7","7","3","3","1") = "6"
    & skf21("7","5","4","7","7","3","4","1") = "6"
    & skf21("7","5","4","7","7","3","5","1") = "6"
    & skf21("7","5","4","7","7","3","6","1") = "6"
    & skf21("7","5","4","7","7","3","7","1") = "6"
    & skf21("7","5","4","7","7","4","1","1") = "6"
    & skf21("7","5","4","7","7","4","2","1") = "6"
    & skf21("7","5","4","7","7","4","3","1") = "6"
    & skf21("7","5","4","7","7","4","4","1") = "6"
    & skf21("7","5","4","7","7","4","5","1") = "6"
    & skf21("7","5","4","7","7","4","6","1") = "6"
    & skf21("7","5","4","7","7","4","7","1") = "6"
    & skf21("7","5","4","7","7","5","1","1") = "6"
    & skf21("7","5","4","7","7","5","2","1") = "6"
    & skf21("7","5","4","7","7","5","3","1") = "6"
    & skf21("7","5","4","7","7","5","4","1") = "6"
    & skf21("7","5","4","7","7","5","5","1") = "6"
    & skf21("7","5","4","7","7","5","6","1") = "6"
    & skf21("7","5","4","7","7","5","7","1") = "6"
    & skf21("7","5","4","7","7","6","1","1") = "6"
    & skf21("7","5","4","7","7","6","2","1") = "6"
    & skf21("7","5","4","7","7","6","3","1") = "6"
    & skf21("7","5","4","7","7","6","4","1") = "6"
    & skf21("7","5","4","7","7","6","5","1") = "6"
    & skf21("7","5","4","7","7","6","6","1") = "6"
    & skf21("7","5","4","7","7","6","7","1") = "6"
    & skf21("7","5","4","7","7","7","1","1") = "6"
    & skf21("7","5","4","7","7","7","2","1") = "6"
    & skf21("7","5","4","7","7","7","3","1") = "6"
    & skf21("7","5","4","7","7","7","4","1") = "6"
    & skf21("7","5","4","7","7","7","5","1") = "6"
    & skf21("7","5","4","7","7","7","6","1") = "6"
    & skf21("7","5","4","7","7","7","7","1") = "6"
    & skf21("7","5","5","1","1","1","1","1") = "6"
    & skf21("7","5","5","1","1","1","2","1") = "6"
    & skf21("7","5","5","1","1","1","3","1") = "6"
    & skf21("7","5","5","1","1","1","4","1") = "6"
    & skf21("7","5","5","1","1","1","5","1") = "6"
    & skf21("7","5","5","1","1","1","6","1") = "6"
    & skf21("7","5","5","1","1","1","7","1") = "6"
    & skf21("7","5","5","1","1","2","1","1") = "6"
    & skf21("7","5","5","1","1","2","2","1") = "6"
    & skf21("7","5","5","1","1","2","3","1") = "6"
    & skf21("7","5","5","1","1","2","4","1") = "6"
    & skf21("7","5","5","1","1","2","5","1") = "6"
    & skf21("7","5","5","1","1","2","6","1") = "6"
    & skf21("7","5","5","1","1","2","7","1") = "6"
    & skf21("7","5","5","1","1","3","1","1") = "6"
    & skf21("7","5","5","1","1","3","2","1") = "6"
    & skf21("7","5","5","1","1","3","3","1") = "6"
    & skf21("7","5","5","1","1","3","4","1") = "6"
    & skf21("7","5","5","1","1","3","5","1") = "6"
    & skf21("7","5","5","1","1","3","6","1") = "6"
    & skf21("7","5","5","1","1","3","7","1") = "6"
    & skf21("7","5","5","1","1","4","1","1") = "6"
    & skf21("7","5","5","1","1","4","2","1") = "6"
    & skf21("7","5","5","1","1","4","3","1") = "6"
    & skf21("7","5","5","1","1","4","4","1") = "6"
    & skf21("7","5","5","1","1","4","5","1") = "6"
    & skf21("7","5","5","1","1","4","6","1") = "6"
    & skf21("7","5","5","1","1","4","7","1") = "6"
    & skf21("7","5","5","1","1","5","1","1") = "6"
    & skf21("7","5","5","1","1","5","2","1") = "6"
    & skf21("7","5","5","1","1","5","3","1") = "6"
    & skf21("7","5","5","1","1","5","4","1") = "6"
    & skf21("7","5","5","1","1","5","5","1") = "6"
    & skf21("7","5","5","1","1","5","6","1") = "6"
    & skf21("7","5","5","1","1","5","7","1") = "6"
    & skf21("7","5","5","1","1","6","1","1") = "6"
    & skf21("7","5","5","1","1","6","2","1") = "6"
    & skf21("7","5","5","1","1","6","3","1") = "6"
    & skf21("7","5","5","1","1","6","4","1") = "6"
    & skf21("7","5","5","1","1","6","5","1") = "6"
    & skf21("7","5","5","1","1","6","6","1") = "6"
    & skf21("7","5","5","1","1","6","7","1") = "6"
    & skf21("7","5","5","1","1","7","1","1") = "6"
    & skf21("7","5","5","1","1","7","2","1") = "6"
    & skf21("7","5","5","1","1","7","3","1") = "6"
    & skf21("7","5","5","1","1","7","4","1") = "6"
    & skf21("7","5","5","1","1","7","5","1") = "6"
    & skf21("7","5","5","1","1","7","6","1") = "6"
    & skf21("7","5","5","1","1","7","7","1") = "6"
    & skf21("7","5","5","1","2","1","1","1") = "6"
    & skf21("7","5","5","1","2","1","2","1") = "6"
    & skf21("7","5","5","1","2","1","3","1") = "6"
    & skf21("7","5","5","1","2","1","4","1") = "6"
    & skf21("7","5","5","1","2","1","5","1") = "6"
    & skf21("7","5","5","1","2","1","6","1") = "6"
    & skf21("7","5","5","1","2","1","7","1") = "6"
    & skf21("7","5","5","1","2","2","1","1") = "6"
    & skf21("7","5","5","1","2","2","2","1") = "6"
    & skf21("7","5","5","1","2","2","3","1") = "6"
    & skf21("7","5","5","1","2","2","4","1") = "6"
    & skf21("7","5","5","1","2","2","5","1") = "6"
    & skf21("7","5","5","1","2","2","6","1") = "6"
    & skf21("7","5","5","1","2","2","7","1") = "6"
    & skf21("7","5","5","1","2","3","1","1") = "6"
    & skf21("7","5","5","1","2","3","2","1") = "6"
    & skf21("7","5","5","1","2","3","3","1") = "6"
    & skf21("7","5","5","1","2","3","4","1") = "6"
    & skf21("7","5","5","1","2","3","5","1") = "6"
    & skf21("7","5","5","1","2","3","6","1") = "6"
    & skf21("7","5","5","1","2","3","7","1") = "6"
    & skf21("7","5","5","1","2","4","1","1") = "6"
    & skf21("7","5","5","1","2","4","2","1") = "6"
    & skf21("7","5","5","1","2","4","3","1") = "6"
    & skf21("7","5","5","1","2","4","4","1") = "6"
    & skf21("7","5","5","1","2","4","5","1") = "6"
    & skf21("7","5","5","1","2","4","6","1") = "6"
    & skf21("7","5","5","1","2","4","7","1") = "6"
    & skf21("7","5","5","1","2","5","1","1") = "6"
    & skf21("7","5","5","1","2","5","2","1") = "6"
    & skf21("7","5","5","1","2","5","3","1") = "6"
    & skf21("7","5","5","1","2","5","4","1") = "6"
    & skf21("7","5","5","1","2","5","5","1") = "6"
    & skf21("7","5","5","1","2","5","6","1") = "6"
    & skf21("7","5","5","1","2","5","7","1") = "6"
    & skf21("7","5","5","1","2","6","1","1") = "6"
    & skf21("7","5","5","1","2","6","2","1") = "6"
    & skf21("7","5","5","1","2","6","3","1") = "6"
    & skf21("7","5","5","1","2","6","4","1") = "6"
    & skf21("7","5","5","1","2","6","5","1") = "6"
    & skf21("7","5","5","1","2","6","6","1") = "6"
    & skf21("7","5","5","1","2","6","7","1") = "6"
    & skf21("7","5","5","1","2","7","1","1") = "6"
    & skf21("7","5","5","1","2","7","2","1") = "6"
    & skf21("7","5","5","1","2","7","3","1") = "6"
    & skf21("7","5","5","1","2","7","4","1") = "6"
    & skf21("7","5","5","1","2","7","5","1") = "6"
    & skf21("7","5","5","1","2","7","6","1") = "6"
    & skf21("7","5","5","1","2","7","7","1") = "6"
    & skf21("7","5","5","1","3","1","1","1") = "6"
    & skf21("7","5","5","1","3","1","2","1") = "6"
    & skf21("7","5","5","1","3","1","3","1") = "6"
    & skf21("7","5","5","1","3","1","4","1") = "6"
    & skf21("7","5","5","1","3","1","5","1") = "6"
    & skf21("7","5","5","1","3","1","6","1") = "6"
    & skf21("7","5","5","1","3","1","7","1") = "6"
    & skf21("7","5","5","1","3","2","1","1") = "6"
    & skf21("7","5","5","1","3","2","2","1") = "6"
    & skf21("7","5","5","1","3","2","3","1") = "6"
    & skf21("7","5","5","1","3","2","4","1") = "6"
    & skf21("7","5","5","1","3","2","5","1") = "6"
    & skf21("7","5","5","1","3","2","6","1") = "6"
    & skf21("7","5","5","1","3","2","7","1") = "6"
    & skf21("7","5","5","1","3","3","1","1") = "6"
    & skf21("7","5","5","1","3","3","2","1") = "6"
    & skf21("7","5","5","1","3","3","3","1") = "6"
    & skf21("7","5","5","1","3","3","4","1") = "6"
    & skf21("7","5","5","1","3","3","5","1") = "6"
    & skf21("7","5","5","1","3","3","6","1") = "6"
    & skf21("7","5","5","1","3","3","7","1") = "6"
    & skf21("7","5","5","1","3","4","1","1") = "6"
    & skf21("7","5","5","1","3","4","2","1") = "6"
    & skf21("7","5","5","1","3","4","3","1") = "6"
    & skf21("7","5","5","1","3","4","4","1") = "6"
    & skf21("7","5","5","1","3","4","5","1") = "6"
    & skf21("7","5","5","1","3","4","6","1") = "6"
    & skf21("7","5","5","1","3","4","7","1") = "6"
    & skf21("7","5","5","1","3","5","1","1") = "6"
    & skf21("7","5","5","1","3","5","2","1") = "6"
    & skf21("7","5","5","1","3","5","3","1") = "6"
    & skf21("7","5","5","1","3","5","4","1") = "6"
    & skf21("7","5","5","1","3","5","5","1") = "6"
    & skf21("7","5","5","1","3","5","6","1") = "6"
    & skf21("7","5","5","1","3","5","7","1") = "6"
    & skf21("7","5","5","1","3","6","1","1") = "6"
    & skf21("7","5","5","1","3","6","2","1") = "6"
    & skf21("7","5","5","1","3","6","3","1") = "6"
    & skf21("7","5","5","1","3","6","4","1") = "6"
    & skf21("7","5","5","1","3","6","5","1") = "6"
    & skf21("7","5","5","1","3","6","6","1") = "6"
    & skf21("7","5","5","1","3","6","7","1") = "6"
    & skf21("7","5","5","1","3","7","1","1") = "6"
    & skf21("7","5","5","1","3","7","2","1") = "6"
    & skf21("7","5","5","1","3","7","3","1") = "6"
    & skf21("7","5","5","1","3","7","4","1") = "6"
    & skf21("7","5","5","1","3","7","5","1") = "6"
    & skf21("7","5","5","1","3","7","6","1") = "6"
    & skf21("7","5","5","1","3","7","7","1") = "6"
    & skf21("7","5","5","1","4","1","1","1") = "6"
    & skf21("7","5","5","1","4","1","2","1") = "6"
    & skf21("7","5","5","1","4","1","3","1") = "6"
    & skf21("7","5","5","1","4","1","4","1") = "6"
    & skf21("7","5","5","1","4","1","5","1") = "6"
    & skf21("7","5","5","1","4","1","6","1") = "6"
    & skf21("7","5","5","1","4","1","7","1") = "6"
    & skf21("7","5","5","1","4","2","1","1") = "6"
    & skf21("7","5","5","1","4","2","2","1") = "6"
    & skf21("7","5","5","1","4","2","3","1") = "6"
    & skf21("7","5","5","1","4","2","4","1") = "6"
    & skf21("7","5","5","1","4","2","5","1") = "6"
    & skf21("7","5","5","1","4","2","6","1") = "6"
    & skf21("7","5","5","1","4","2","7","1") = "6"
    & skf21("7","5","5","1","4","3","1","1") = "6"
    & skf21("7","5","5","1","4","3","2","1") = "6"
    & skf21("7","5","5","1","4","3","3","1") = "6"
    & skf21("7","5","5","1","4","3","4","1") = "6"
    & skf21("7","5","5","1","4","3","5","1") = "6"
    & skf21("7","5","5","1","4","3","6","1") = "6"
    & skf21("7","5","5","1","4","3","7","1") = "6"
    & skf21("7","5","5","1","4","4","1","1") = "6"
    & skf21("7","5","5","1","4","4","2","1") = "6"
    & skf21("7","5","5","1","4","4","3","1") = "6"
    & skf21("7","5","5","1","4","4","4","1") = "6"
    & skf21("7","5","5","1","4","4","5","1") = "6"
    & skf21("7","5","5","1","4","4","6","1") = "6"
    & skf21("7","5","5","1","4","4","7","1") = "6"
    & skf21("7","5","5","1","4","5","1","1") = "6"
    & skf21("7","5","5","1","4","5","2","1") = "6"
    & skf21("7","5","5","1","4","5","3","1") = "6"
    & skf21("7","5","5","1","4","5","4","1") = "6"
    & skf21("7","5","5","1","4","5","5","1") = "6"
    & skf21("7","5","5","1","4","5","6","1") = "6"
    & skf21("7","5","5","1","4","5","7","1") = "6"
    & skf21("7","5","5","1","4","6","1","1") = "6"
    & skf21("7","5","5","1","4","6","2","1") = "6"
    & skf21("7","5","5","1","4","6","3","1") = "6"
    & skf21("7","5","5","1","4","6","4","1") = "6"
    & skf21("7","5","5","1","4","6","5","1") = "6"
    & skf21("7","5","5","1","4","6","6","1") = "6"
    & skf21("7","5","5","1","4","6","7","1") = "6"
    & skf21("7","5","5","1","4","7","1","1") = "6"
    & skf21("7","5","5","1","4","7","2","1") = "6"
    & skf21("7","5","5","1","4","7","3","1") = "6"
    & skf21("7","5","5","1","4","7","4","1") = "6"
    & skf21("7","5","5","1","4","7","5","1") = "6"
    & skf21("7","5","5","1","4","7","6","1") = "6"
    & skf21("7","5","5","1","4","7","7","1") = "6"
    & skf21("7","5","5","1","5","1","1","1") = "6"
    & skf21("7","5","5","1","5","1","2","1") = "6"
    & skf21("7","5","5","1","5","1","3","1") = "6"
    & skf21("7","5","5","1","5","1","4","1") = "6"
    & skf21("7","5","5","1","5","1","5","1") = "6"
    & skf21("7","5","5","1","5","1","6","1") = "6"
    & skf21("7","5","5","1","5","1","7","1") = "6"
    & skf21("7","5","5","1","5","2","1","1") = "6"
    & skf21("7","5","5","1","5","2","2","1") = "6"
    & skf21("7","5","5","1","5","2","3","1") = "6"
    & skf21("7","5","5","1","5","2","4","1") = "6"
    & skf21("7","5","5","1","5","2","5","1") = "6"
    & skf21("7","5","5","1","5","2","6","1") = "6"
    & skf21("7","5","5","1","5","2","7","1") = "6"
    & skf21("7","5","5","1","5","3","1","1") = "6"
    & skf21("7","5","5","1","5","3","2","1") = "6"
    & skf21("7","5","5","1","5","3","3","1") = "6"
    & skf21("7","5","5","1","5","3","4","1") = "6"
    & skf21("7","5","5","1","5","3","5","1") = "6"
    & skf21("7","5","5","1","5","3","6","1") = "6"
    & skf21("7","5","5","1","5","3","7","1") = "6"
    & skf21("7","5","5","1","5","4","1","1") = "6"
    & skf21("7","5","5","1","5","4","2","1") = "6"
    & skf21("7","5","5","1","5","4","3","1") = "6"
    & skf21("7","5","5","1","5","4","4","1") = "6"
    & skf21("7","5","5","1","5","4","5","1") = "6"
    & skf21("7","5","5","1","5","4","6","1") = "6"
    & skf21("7","5","5","1","5","4","7","1") = "6"
    & skf21("7","5","5","1","5","5","1","1") = "6"
    & skf21("7","5","5","1","5","5","2","1") = "6"
    & skf21("7","5","5","1","5","5","3","1") = "6"
    & skf21("7","5","5","1","5","5","4","1") = "6"
    & skf21("7","5","5","1","5","5","5","1") = "6"
    & skf21("7","5","5","1","5","5","6","1") = "6"
    & skf21("7","5","5","1","5","5","7","1") = "6"
    & skf21("7","5","5","1","5","6","1","1") = "6"
    & skf21("7","5","5","1","5","6","2","1") = "6"
    & skf21("7","5","5","1","5","6","3","1") = "6"
    & skf21("7","5","5","1","5","6","4","1") = "6"
    & skf21("7","5","5","1","5","6","5","1") = "6"
    & skf21("7","5","5","1","5","6","6","1") = "6"
    & skf21("7","5","5","1","5","6","7","1") = "6"
    & skf21("7","5","5","1","5","7","1","1") = "6"
    & skf21("7","5","5","1","5","7","2","1") = "6"
    & skf21("7","5","5","1","5","7","3","1") = "6"
    & skf21("7","5","5","1","5","7","4","1") = "6"
    & skf21("7","5","5","1","5","7","5","1") = "6"
    & skf21("7","5","5","1","5","7","6","1") = "6"
    & skf21("7","5","5","1","5","7","7","1") = "6"
    & skf21("7","5","5","1","6","1","1","1") = "6"
    & skf21("7","5","5","1","6","1","2","1") = "6"
    & skf21("7","5","5","1","6","1","3","1") = "6"
    & skf21("7","5","5","1","6","1","4","1") = "6"
    & skf21("7","5","5","1","6","1","5","1") = "6"
    & skf21("7","5","5","1","6","1","6","1") = "6"
    & skf21("7","5","5","1","6","1","7","1") = "6"
    & skf21("7","5","5","1","6","2","1","1") = "6"
    & skf21("7","5","5","1","6","2","2","1") = "6"
    & skf21("7","5","5","1","6","2","3","1") = "6"
    & skf21("7","5","5","1","6","2","4","1") = "6"
    & skf21("7","5","5","1","6","2","5","1") = "6"
    & skf21("7","5","5","1","6","2","6","1") = "6"
    & skf21("7","5","5","1","6","2","7","1") = "6"
    & skf21("7","5","5","1","6","3","1","1") = "6"
    & skf21("7","5","5","1","6","3","2","1") = "6"
    & skf21("7","5","5","1","6","3","3","1") = "6"
    & skf21("7","5","5","1","6","3","4","1") = "6"
    & skf21("7","5","5","1","6","3","5","1") = "6"
    & skf21("7","5","5","1","6","3","6","1") = "6"
    & skf21("7","5","5","1","6","3","7","1") = "6"
    & skf21("7","5","5","1","6","4","1","1") = "6"
    & skf21("7","5","5","1","6","4","2","1") = "6"
    & skf21("7","5","5","1","6","4","3","1") = "6"
    & skf21("7","5","5","1","6","4","4","1") = "6"
    & skf21("7","5","5","1","6","4","5","1") = "6"
    & skf21("7","5","5","1","6","4","6","1") = "6"
    & skf21("7","5","5","1","6","4","7","1") = "6"
    & skf21("7","5","5","1","6","5","1","1") = "6"
    & skf21("7","5","5","1","6","5","2","1") = "6"
    & skf21("7","5","5","1","6","5","3","1") = "6"
    & skf21("7","5","5","1","6","5","4","1") = "6"
    & skf21("7","5","5","1","6","5","5","1") = "6"
    & skf21("7","5","5","1","6","5","6","1") = "6"
    & skf21("7","5","5","1","6","5","7","1") = "6"
    & skf21("7","5","5","1","6","6","1","1") = "6"
    & skf21("7","5","5","1","6","6","2","1") = "6"
    & skf21("7","5","5","1","6","6","3","1") = "6"
    & skf21("7","5","5","1","6","6","4","1") = "6"
    & skf21("7","5","5","1","6","6","5","1") = "6"
    & skf21("7","5","5","1","6","6","6","1") = "6"
    & skf21("7","5","5","1","6","6","7","1") = "6"
    & skf21("7","5","5","1","6","7","1","1") = "6"
    & skf21("7","5","5","1","6","7","2","1") = "6"
    & skf21("7","5","5","1","6","7","3","1") = "6"
    & skf21("7","5","5","1","6","7","4","1") = "6"
    & skf21("7","5","5","1","6","7","5","1") = "6"
    & skf21("7","5","5","1","6","7","6","1") = "6"
    & skf21("7","5","5","1","6","7","7","1") = "6"
    & skf21("7","5","5","1","7","1","1","1") = "6"
    & skf21("7","5","5","1","7","1","2","1") = "6"
    & skf21("7","5","5","1","7","1","3","1") = "6"
    & skf21("7","5","5","1","7","1","4","1") = "6"
    & skf21("7","5","5","1","7","1","5","1") = "6"
    & skf21("7","5","5","1","7","1","6","1") = "6"
    & skf21("7","5","5","1","7","1","7","1") = "6"
    & skf21("7","5","5","1","7","2","1","1") = "6"
    & skf21("7","5","5","1","7","2","2","1") = "6"
    & skf21("7","5","5","1","7","2","3","1") = "6"
    & skf21("7","5","5","1","7","2","4","1") = "6"
    & skf21("7","5","5","1","7","2","5","1") = "6"
    & skf21("7","5","5","1","7","2","6","1") = "6"
    & skf21("7","5","5","1","7","2","7","1") = "6"
    & skf21("7","5","5","1","7","3","1","1") = "6"
    & skf21("7","5","5","1","7","3","2","1") = "6"
    & skf21("7","5","5","1","7","3","3","1") = "6"
    & skf21("7","5","5","1","7","3","4","1") = "6"
    & skf21("7","5","5","1","7","3","5","1") = "6"
    & skf21("7","5","5","1","7","3","6","1") = "6"
    & skf21("7","5","5","1","7","3","7","1") = "6"
    & skf21("7","5","5","1","7","4","1","1") = "6"
    & skf21("7","5","5","1","7","4","2","1") = "6"
    & skf21("7","5","5","1","7","4","3","1") = "6"
    & skf21("7","5","5","1","7","4","4","1") = "6"
    & skf21("7","5","5","1","7","4","5","1") = "6"
    & skf21("7","5","5","1","7","4","6","1") = "6"
    & skf21("7","5","5","1","7","4","7","1") = "6"
    & skf21("7","5","5","1","7","5","1","1") = "6"
    & skf21("7","5","5","1","7","5","2","1") = "6"
    & skf21("7","5","5","1","7","5","3","1") = "6"
    & skf21("7","5","5","1","7","5","4","1") = "6"
    & skf21("7","5","5","1","7","5","5","1") = "6"
    & skf21("7","5","5","1","7","5","6","1") = "6"
    & skf21("7","5","5","1","7","5","7","1") = "6"
    & skf21("7","5","5","1","7","6","1","1") = "6"
    & skf21("7","5","5","1","7","6","2","1") = "6"
    & skf21("7","5","5","1","7","6","3","1") = "6"
    & skf21("7","5","5","1","7","6","4","1") = "6"
    & skf21("7","5","5","1","7","6","5","1") = "6"
    & skf21("7","5","5","1","7","6","6","1") = "6"
    & skf21("7","5","5","1","7","6","7","1") = "6"
    & skf21("7","5","5","1","7","7","1","1") = "6"
    & skf21("7","5","5","1","7","7","2","1") = "6"
    & skf21("7","5","5","1","7","7","3","1") = "6"
    & skf21("7","5","5","1","7","7","4","1") = "6"
    & skf21("7","5","5","1","7","7","5","1") = "6"
    & skf21("7","5","5","1","7","7","6","1") = "6"
    & skf21("7","5","5","1","7","7","7","1") = "6"
    & skf21("7","5","5","2","1","1","1","1") = "6"
    & skf21("7","5","5","2","1","1","2","1") = "6"
    & skf21("7","5","5","2","1","1","3","1") = "6"
    & skf21("7","5","5","2","1","1","4","1") = "6"
    & skf21("7","5","5","2","1","1","5","1") = "6"
    & skf21("7","5","5","2","1","1","6","1") = "6"
    & skf21("7","5","5","2","1","1","7","1") = "6"
    & skf21("7","5","5","2","1","2","1","1") = "6"
    & skf21("7","5","5","2","1","2","2","1") = "6"
    & skf21("7","5","5","2","1","2","3","1") = "6"
    & skf21("7","5","5","2","1","2","4","1") = "6"
    & skf21("7","5","5","2","1","2","5","1") = "6"
    & skf21("7","5","5","2","1","2","6","1") = "6"
    & skf21("7","5","5","2","1","2","7","1") = "6"
    & skf21("7","5","5","2","1","3","1","1") = "6"
    & skf21("7","5","5","2","1","3","2","1") = "6"
    & skf21("7","5","5","2","1","3","3","1") = "6"
    & skf21("7","5","5","2","1","3","4","1") = "6"
    & skf21("7","5","5","2","1","3","5","1") = "6"
    & skf21("7","5","5","2","1","3","6","1") = "6"
    & skf21("7","5","5","2","1","3","7","1") = "6"
    & skf21("7","5","5","2","1","4","1","1") = "6"
    & skf21("7","5","5","2","1","4","2","1") = "6"
    & skf21("7","5","5","2","1","4","3","1") = "6"
    & skf21("7","5","5","2","1","4","4","1") = "6"
    & skf21("7","5","5","2","1","4","5","1") = "6"
    & skf21("7","5","5","2","1","4","6","1") = "6"
    & skf21("7","5","5","2","1","4","7","1") = "6"
    & skf21("7","5","5","2","1","5","1","1") = "6"
    & skf21("7","5","5","2","1","5","2","1") = "6"
    & skf21("7","5","5","2","1","5","3","1") = "6"
    & skf21("7","5","5","2","1","5","4","1") = "6"
    & skf21("7","5","5","2","1","5","5","1") = "6"
    & skf21("7","5","5","2","1","5","6","1") = "6"
    & skf21("7","5","5","2","1","5","7","1") = "6"
    & skf21("7","5","5","2","1","6","1","1") = "6"
    & skf21("7","5","5","2","1","6","2","1") = "6"
    & skf21("7","5","5","2","1","6","3","1") = "6"
    & skf21("7","5","5","2","1","6","4","1") = "6"
    & skf21("7","5","5","2","1","6","5","1") = "6"
    & skf21("7","5","5","2","1","6","6","1") = "6"
    & skf21("7","5","5","2","1","6","7","1") = "6"
    & skf21("7","5","5","2","1","7","1","1") = "6"
    & skf21("7","5","5","2","1","7","2","1") = "6"
    & skf21("7","5","5","2","1","7","3","1") = "6"
    & skf21("7","5","5","2","1","7","4","1") = "6"
    & skf21("7","5","5","2","1","7","5","1") = "6"
    & skf21("7","5","5","2","1","7","6","1") = "6"
    & skf21("7","5","5","2","1","7","7","1") = "6"
    & skf21("7","5","5","2","2","1","1","1") = "6"
    & skf21("7","5","5","2","2","1","2","1") = "6"
    & skf21("7","5","5","2","2","1","3","1") = "6"
    & skf21("7","5","5","2","2","1","4","1") = "6"
    & skf21("7","5","5","2","2","1","5","1") = "6"
    & skf21("7","5","5","2","2","1","6","1") = "6"
    & skf21("7","5","5","2","2","1","7","1") = "6"
    & skf21("7","5","5","2","2","2","1","1") = "6"
    & skf21("7","5","5","2","2","2","2","1") = "6"
    & skf21("7","5","5","2","2","2","3","1") = "6"
    & skf21("7","5","5","2","2","2","4","1") = "6"
    & skf21("7","5","5","2","2","2","5","1") = "6"
    & skf21("7","5","5","2","2","2","6","1") = "6"
    & skf21("7","5","5","2","2","2","7","1") = "6"
    & skf21("7","5","5","2","2","3","1","1") = "6"
    & skf21("7","5","5","2","2","3","2","1") = "6"
    & skf21("7","5","5","2","2","3","3","1") = "6"
    & skf21("7","5","5","2","2","3","4","1") = "6"
    & skf21("7","5","5","2","2","3","5","1") = "6"
    & skf21("7","5","5","2","2","3","6","1") = "6"
    & skf21("7","5","5","2","2","3","7","1") = "6"
    & skf21("7","5","5","2","2","4","1","1") = "6"
    & skf21("7","5","5","2","2","4","2","1") = "6"
    & skf21("7","5","5","2","2","4","3","1") = "6"
    & skf21("7","5","5","2","2","4","4","1") = "6"
    & skf21("7","5","5","2","2","4","5","1") = "6"
    & skf21("7","5","5","2","2","4","6","1") = "6"
    & skf21("7","5","5","2","2","4","7","1") = "6"
    & skf21("7","5","5","2","2","5","1","1") = "6"
    & skf21("7","5","5","2","2","5","2","1") = "6"
    & skf21("7","5","5","2","2","5","3","1") = "6"
    & skf21("7","5","5","2","2","5","4","1") = "6"
    & skf21("7","5","5","2","2","5","5","1") = "6"
    & skf21("7","5","5","2","2","5","6","1") = "6"
    & skf21("7","5","5","2","2","5","7","1") = "6"
    & skf21("7","5","5","2","2","6","1","1") = "6"
    & skf21("7","5","5","2","2","6","2","1") = "6"
    & skf21("7","5","5","2","2","6","3","1") = "6"
    & skf21("7","5","5","2","2","6","4","1") = "6"
    & skf21("7","5","5","2","2","6","5","1") = "6"
    & skf21("7","5","5","2","2","6","6","1") = "6"
    & skf21("7","5","5","2","2","6","7","1") = "6"
    & skf21("7","5","5","2","2","7","1","1") = "6"
    & skf21("7","5","5","2","2","7","2","1") = "6"
    & skf21("7","5","5","2","2","7","3","1") = "6"
    & skf21("7","5","5","2","2","7","4","1") = "6"
    & skf21("7","5","5","2","2","7","5","1") = "6"
    & skf21("7","5","5","2","2","7","6","1") = "6"
    & skf21("7","5","5","2","2","7","7","1") = "6"
    & skf21("7","5","5","2","3","1","1","1") = "6"
    & skf21("7","5","5","2","3","1","2","1") = "6"
    & skf21("7","5","5","2","3","1","3","1") = "6"
    & skf21("7","5","5","2","3","1","4","1") = "6"
    & skf21("7","5","5","2","3","1","5","1") = "6"
    & skf21("7","5","5","2","3","1","6","1") = "6"
    & skf21("7","5","5","2","3","1","7","1") = "6"
    & skf21("7","5","5","2","3","2","1","1") = "6"
    & skf21("7","5","5","2","3","2","2","1") = "6"
    & skf21("7","5","5","2","3","2","3","1") = "6"
    & skf21("7","5","5","2","3","2","4","1") = "6"
    & skf21("7","5","5","2","3","2","5","1") = "6"
    & skf21("7","5","5","2","3","2","6","1") = "6"
    & skf21("7","5","5","2","3","2","7","1") = "6"
    & skf21("7","5","5","2","3","3","1","1") = "6"
    & skf21("7","5","5","2","3","3","2","1") = "6"
    & skf21("7","5","5","2","3","3","3","1") = "6"
    & skf21("7","5","5","2","3","3","4","1") = "6"
    & skf21("7","5","5","2","3","3","5","1") = "6"
    & skf21("7","5","5","2","3","3","6","1") = "6"
    & skf21("7","5","5","2","3","3","7","1") = "6"
    & skf21("7","5","5","2","3","4","1","1") = "6"
    & skf21("7","5","5","2","3","4","2","1") = "6"
    & skf21("7","5","5","2","3","4","3","1") = "6"
    & skf21("7","5","5","2","3","4","4","1") = "6"
    & skf21("7","5","5","2","3","4","5","1") = "6"
    & skf21("7","5","5","2","3","4","6","1") = "6"
    & skf21("7","5","5","2","3","4","7","1") = "6"
    & skf21("7","5","5","2","3","5","1","1") = "6"
    & skf21("7","5","5","2","3","5","2","1") = "6"
    & skf21("7","5","5","2","3","5","3","1") = "6"
    & skf21("7","5","5","2","3","5","4","1") = "6"
    & skf21("7","5","5","2","3","5","5","1") = "6"
    & skf21("7","5","5","2","3","5","6","1") = "6"
    & skf21("7","5","5","2","3","5","7","1") = "6"
    & skf21("7","5","5","2","3","6","1","1") = "6"
    & skf21("7","5","5","2","3","6","2","1") = "6"
    & skf21("7","5","5","2","3","6","3","1") = "6"
    & skf21("7","5","5","2","3","6","4","1") = "6"
    & skf21("7","5","5","2","3","6","5","1") = "6"
    & skf21("7","5","5","2","3","6","6","1") = "6"
    & skf21("7","5","5","2","3","6","7","1") = "6"
    & skf21("7","5","5","2","3","7","1","1") = "6"
    & skf21("7","5","5","2","3","7","2","1") = "6"
    & skf21("7","5","5","2","3","7","3","1") = "6"
    & skf21("7","5","5","2","3","7","4","1") = "6"
    & skf21("7","5","5","2","3","7","5","1") = "6"
    & skf21("7","5","5","2","3","7","6","1") = "6"
    & skf21("7","5","5","2","3","7","7","1") = "6"
    & skf21("7","5","5","2","4","1","1","1") = "6"
    & skf21("7","5","5","2","4","1","2","1") = "6"
    & skf21("7","5","5","2","4","1","3","1") = "6"
    & skf21("7","5","5","2","4","1","4","1") = "6"
    & skf21("7","5","5","2","4","1","5","1") = "6"
    & skf21("7","5","5","2","4","1","6","1") = "6"
    & skf21("7","5","5","2","4","1","7","1") = "6"
    & skf21("7","5","5","2","4","2","1","1") = "6"
    & skf21("7","5","5","2","4","2","2","1") = "6"
    & skf21("7","5","5","2","4","2","3","1") = "6"
    & skf21("7","5","5","2","4","2","4","1") = "6"
    & skf21("7","5","5","2","4","2","5","1") = "6"
    & skf21("7","5","5","2","4","2","6","1") = "6"
    & skf21("7","5","5","2","4","2","7","1") = "6"
    & skf21("7","5","5","2","4","3","1","1") = "6"
    & skf21("7","5","5","2","4","3","2","1") = "6"
    & skf21("7","5","5","2","4","3","3","1") = "6"
    & skf21("7","5","5","2","4","3","4","1") = "6"
    & skf21("7","5","5","2","4","3","5","1") = "6"
    & skf21("7","5","5","2","4","3","6","1") = "6"
    & skf21("7","5","5","2","4","3","7","1") = "6"
    & skf21("7","5","5","2","4","4","1","1") = "6"
    & skf21("7","5","5","2","4","4","2","1") = "6"
    & skf21("7","5","5","2","4","4","3","1") = "6"
    & skf21("7","5","5","2","4","4","4","1") = "6"
    & skf21("7","5","5","2","4","4","5","1") = "6"
    & skf21("7","5","5","2","4","4","6","1") = "6"
    & skf21("7","5","5","2","4","4","7","1") = "6"
    & skf21("7","5","5","2","4","5","1","1") = "6"
    & skf21("7","5","5","2","4","5","2","1") = "6"
    & skf21("7","5","5","2","4","5","3","1") = "6"
    & skf21("7","5","5","2","4","5","4","1") = "6"
    & skf21("7","5","5","2","4","5","5","1") = "6"
    & skf21("7","5","5","2","4","5","6","1") = "6"
    & skf21("7","5","5","2","4","5","7","1") = "6"
    & skf21("7","5","5","2","4","6","1","1") = "6"
    & skf21("7","5","5","2","4","6","2","1") = "6"
    & skf21("7","5","5","2","4","6","3","1") = "6"
    & skf21("7","5","5","2","4","6","4","1") = "6"
    & skf21("7","5","5","2","4","6","5","1") = "6"
    & skf21("7","5","5","2","4","6","6","1") = "6"
    & skf21("7","5","5","2","4","6","7","1") = "6"
    & skf21("7","5","5","2","4","7","1","1") = "6"
    & skf21("7","5","5","2","4","7","2","1") = "6"
    & skf21("7","5","5","2","4","7","3","1") = "6"
    & skf21("7","5","5","2","4","7","4","1") = "6"
    & skf21("7","5","5","2","4","7","5","1") = "6"
    & skf21("7","5","5","2","4","7","6","1") = "6"
    & skf21("7","5","5","2","4","7","7","1") = "6"
    & skf21("7","5","5","2","5","1","1","1") = "6"
    & skf21("7","5","5","2","5","1","2","1") = "6"
    & skf21("7","5","5","2","5","1","3","1") = "6"
    & skf21("7","5","5","2","5","1","4","1") = "6"
    & skf21("7","5","5","2","5","1","5","1") = "6"
    & skf21("7","5","5","2","5","1","6","1") = "6"
    & skf21("7","5","5","2","5","1","7","1") = "6"
    & skf21("7","5","5","2","5","2","1","1") = "6"
    & skf21("7","5","5","2","5","2","2","1") = "6"
    & skf21("7","5","5","2","5","2","3","1") = "6"
    & skf21("7","5","5","2","5","2","4","1") = "6"
    & skf21("7","5","5","2","5","2","5","1") = "6"
    & skf21("7","5","5","2","5","2","6","1") = "6"
    & skf21("7","5","5","2","5","2","7","1") = "6"
    & skf21("7","5","5","2","5","3","1","1") = "6"
    & skf21("7","5","5","2","5","3","2","1") = "6"
    & skf21("7","5","5","2","5","3","3","1") = "6"
    & skf21("7","5","5","2","5","3","4","1") = "6"
    & skf21("7","5","5","2","5","3","5","1") = "6"
    & skf21("7","5","5","2","5","3","6","1") = "6"
    & skf21("7","5","5","2","5","3","7","1") = "6"
    & skf21("7","5","5","2","5","4","1","1") = "6"
    & skf21("7","5","5","2","5","4","2","1") = "6"
    & skf21("7","5","5","2","5","4","3","1") = "6"
    & skf21("7","5","5","2","5","4","4","1") = "6"
    & skf21("7","5","5","2","5","4","5","1") = "6"
    & skf21("7","5","5","2","5","4","6","1") = "6"
    & skf21("7","5","5","2","5","4","7","1") = "6"
    & skf21("7","5","5","2","5","5","1","1") = "6"
    & skf21("7","5","5","2","5","5","2","1") = "6"
    & skf21("7","5","5","2","5","5","3","1") = "6"
    & skf21("7","5","5","2","5","5","4","1") = "6"
    & skf21("7","5","5","2","5","5","5","1") = "6"
    & skf21("7","5","5","2","5","5","6","1") = "6"
    & skf21("7","5","5","2","5","5","7","1") = "6"
    & skf21("7","5","5","2","5","6","1","1") = "6"
    & skf21("7","5","5","2","5","6","2","1") = "6"
    & skf21("7","5","5","2","5","6","3","1") = "6"
    & skf21("7","5","5","2","5","6","4","1") = "6"
    & skf21("7","5","5","2","5","6","5","1") = "6"
    & skf21("7","5","5","2","5","6","6","1") = "6"
    & skf21("7","5","5","2","5","6","7","1") = "6"
    & skf21("7","5","5","2","5","7","1","1") = "6"
    & skf21("7","5","5","2","5","7","2","1") = "6"
    & skf21("7","5","5","2","5","7","3","1") = "6"
    & skf21("7","5","5","2","5","7","4","1") = "6"
    & skf21("7","5","5","2","5","7","5","1") = "6"
    & skf21("7","5","5","2","5","7","6","1") = "6"
    & skf21("7","5","5","2","5","7","7","1") = "6"
    & skf21("7","5","5","2","6","1","1","1") = "6"
    & skf21("7","5","5","2","6","1","2","1") = "6"
    & skf21("7","5","5","2","6","1","3","1") = "6"
    & skf21("7","5","5","2","6","1","4","1") = "6"
    & skf21("7","5","5","2","6","1","5","1") = "6"
    & skf21("7","5","5","2","6","1","6","1") = "6"
    & skf21("7","5","5","2","6","1","7","1") = "6"
    & skf21("7","5","5","2","6","2","1","1") = "6"
    & skf21("7","5","5","2","6","2","2","1") = "6"
    & skf21("7","5","5","2","6","2","3","1") = "6"
    & skf21("7","5","5","2","6","2","4","1") = "6"
    & skf21("7","5","5","2","6","2","5","1") = "6"
    & skf21("7","5","5","2","6","2","6","1") = "6"
    & skf21("7","5","5","2","6","2","7","1") = "6"
    & skf21("7","5","5","2","6","3","1","1") = "6"
    & skf21("7","5","5","2","6","3","2","1") = "6"
    & skf21("7","5","5","2","6","3","3","1") = "6"
    & skf21("7","5","5","2","6","3","4","1") = "6"
    & skf21("7","5","5","2","6","3","5","1") = "6"
    & skf21("7","5","5","2","6","3","6","1") = "6"
    & skf21("7","5","5","2","6","3","7","1") = "6"
    & skf21("7","5","5","2","6","4","1","1") = "6"
    & skf21("7","5","5","2","6","4","2","1") = "6"
    & skf21("7","5","5","2","6","4","3","1") = "6"
    & skf21("7","5","5","2","6","4","4","1") = "6"
    & skf21("7","5","5","2","6","4","5","1") = "6"
    & skf21("7","5","5","2","6","4","6","1") = "6"
    & skf21("7","5","5","2","6","4","7","1") = "6"
    & skf21("7","5","5","2","6","5","1","1") = "6"
    & skf21("7","5","5","2","6","5","2","1") = "6"
    & skf21("7","5","5","2","6","5","3","1") = "6"
    & skf21("7","5","5","2","6","5","4","1") = "6"
    & skf21("7","5","5","2","6","5","5","1") = "6"
    & skf21("7","5","5","2","6","5","6","1") = "6"
    & skf21("7","5","5","2","6","5","7","1") = "6"
    & skf21("7","5","5","2","6","6","1","1") = "6"
    & skf21("7","5","5","2","6","6","2","1") = "6"
    & skf21("7","5","5","2","6","6","3","1") = "6"
    & skf21("7","5","5","2","6","6","4","1") = "6"
    & skf21("7","5","5","2","6","6","5","1") = "6"
    & skf21("7","5","5","2","6","6","6","1") = "6"
    & skf21("7","5","5","2","6","6","7","1") = "6"
    & skf21("7","5","5","2","6","7","1","1") = "6"
    & skf21("7","5","5","2","6","7","2","1") = "6"
    & skf21("7","5","5","2","6","7","3","1") = "6"
    & skf21("7","5","5","2","6","7","4","1") = "6"
    & skf21("7","5","5","2","6","7","5","1") = "6"
    & skf21("7","5","5","2","6","7","6","1") = "6"
    & skf21("7","5","5","2","6","7","7","1") = "6"
    & skf21("7","5","5","2","7","1","1","1") = "6"
    & skf21("7","5","5","2","7","1","2","1") = "6"
    & skf21("7","5","5","2","7","1","3","1") = "6"
    & skf21("7","5","5","2","7","1","4","1") = "6"
    & skf21("7","5","5","2","7","1","5","1") = "6"
    & skf21("7","5","5","2","7","1","6","1") = "6"
    & skf21("7","5","5","2","7","1","7","1") = "6"
    & skf21("7","5","5","2","7","2","1","1") = "6"
    & skf21("7","5","5","2","7","2","2","1") = "6"
    & skf21("7","5","5","2","7","2","3","1") = "6"
    & skf21("7","5","5","2","7","2","4","1") = "6"
    & skf21("7","5","5","2","7","2","5","1") = "6"
    & skf21("7","5","5","2","7","2","6","1") = "6"
    & skf21("7","5","5","2","7","2","7","1") = "6"
    & skf21("7","5","5","2","7","3","1","1") = "6"
    & skf21("7","5","5","2","7","3","2","1") = "6"
    & skf21("7","5","5","2","7","3","3","1") = "6"
    & skf21("7","5","5","2","7","3","4","1") = "6"
    & skf21("7","5","5","2","7","3","5","1") = "6"
    & skf21("7","5","5","2","7","3","6","1") = "6"
    & skf21("7","5","5","2","7","3","7","1") = "6"
    & skf21("7","5","5","2","7","4","1","1") = "6"
    & skf21("7","5","5","2","7","4","2","1") = "6"
    & skf21("7","5","5","2","7","4","3","1") = "6"
    & skf21("7","5","5","2","7","4","4","1") = "6"
    & skf21("7","5","5","2","7","4","5","1") = "6"
    & skf21("7","5","5","2","7","4","6","1") = "6"
    & skf21("7","5","5","2","7","4","7","1") = "6"
    & skf21("7","5","5","2","7","5","1","1") = "6"
    & skf21("7","5","5","2","7","5","2","1") = "6"
    & skf21("7","5","5","2","7","5","3","1") = "6"
    & skf21("7","5","5","2","7","5","4","1") = "6"
    & skf21("7","5","5","2","7","5","5","1") = "6"
    & skf21("7","5","5","2","7","5","6","1") = "6"
    & skf21("7","5","5","2","7","5","7","1") = "6"
    & skf21("7","5","5","2","7","6","1","1") = "6"
    & skf21("7","5","5","2","7","6","2","1") = "6"
    & skf21("7","5","5","2","7","6","3","1") = "6"
    & skf21("7","5","5","2","7","6","4","1") = "6"
    & skf21("7","5","5","2","7","6","5","1") = "6"
    & skf21("7","5","5","2","7","6","6","1") = "6"
    & skf21("7","5","5","2","7","6","7","1") = "6"
    & skf21("7","5","5","2","7","7","1","1") = "6"
    & skf21("7","5","5","2","7","7","2","1") = "6"
    & skf21("7","5","5","2","7","7","3","1") = "6"
    & skf21("7","5","5","2","7","7","4","1") = "6"
    & skf21("7","5","5","2","7","7","5","1") = "6"
    & skf21("7","5","5","2","7","7","6","1") = "6"
    & skf21("7","5","5","2","7","7","7","1") = "6"
    & skf21("7","5","5","3","1","1","1","1") = "6"
    & skf21("7","5","5","3","1","1","2","1") = "6"
    & skf21("7","5","5","3","1","1","3","1") = "6"
    & skf21("7","5","5","3","1","1","4","1") = "6"
    & skf21("7","5","5","3","1","1","5","1") = "6"
    & skf21("7","5","5","3","1","1","6","1") = "6"
    & skf21("7","5","5","3","1","1","7","1") = "6"
    & skf21("7","5","5","3","1","2","1","1") = "6"
    & skf21("7","5","5","3","1","2","2","1") = "6"
    & skf21("7","5","5","3","1","2","3","1") = "6"
    & skf21("7","5","5","3","1","2","4","1") = "6"
    & skf21("7","5","5","3","1","2","5","1") = "6"
    & skf21("7","5","5","3","1","2","6","1") = "6"
    & skf21("7","5","5","3","1","2","7","1") = "6"
    & skf21("7","5","5","3","1","3","1","1") = "6"
    & skf21("7","5","5","3","1","3","2","1") = "6"
    & skf21("7","5","5","3","1","3","3","1") = "6"
    & skf21("7","5","5","3","1","3","4","1") = "6"
    & skf21("7","5","5","3","1","3","5","1") = "6"
    & skf21("7","5","5","3","1","3","6","1") = "6"
    & skf21("7","5","5","3","1","3","7","1") = "6"
    & skf21("7","5","5","3","1","4","1","1") = "6"
    & skf21("7","5","5","3","1","4","2","1") = "6"
    & skf21("7","5","5","3","1","4","3","1") = "6"
    & skf21("7","5","5","3","1","4","4","1") = "6"
    & skf21("7","5","5","3","1","4","5","1") = "6"
    & skf21("7","5","5","3","1","4","6","1") = "6"
    & skf21("7","5","5","3","1","4","7","1") = "6"
    & skf21("7","5","5","3","1","5","1","1") = "6"
    & skf21("7","5","5","3","1","5","2","1") = "6"
    & skf21("7","5","5","3","1","5","3","1") = "6"
    & skf21("7","5","5","3","1","5","4","1") = "6"
    & skf21("7","5","5","3","1","5","5","1") = "6"
    & skf21("7","5","5","3","1","5","6","1") = "6"
    & skf21("7","5","5","3","1","5","7","1") = "6"
    & skf21("7","5","5","3","1","6","1","1") = "6"
    & skf21("7","5","5","3","1","6","2","1") = "6"
    & skf21("7","5","5","3","1","6","3","1") = "6"
    & skf21("7","5","5","3","1","6","4","1") = "6"
    & skf21("7","5","5","3","1","6","5","1") = "6"
    & skf21("7","5","5","3","1","6","6","1") = "6"
    & skf21("7","5","5","3","1","6","7","1") = "6"
    & skf21("7","5","5","3","1","7","1","1") = "6"
    & skf21("7","5","5","3","1","7","2","1") = "6"
    & skf21("7","5","5","3","1","7","3","1") = "6"
    & skf21("7","5","5","3","1","7","4","1") = "6"
    & skf21("7","5","5","3","1","7","5","1") = "6"
    & skf21("7","5","5","3","1","7","6","1") = "6"
    & skf21("7","5","5","3","1","7","7","1") = "6"
    & skf21("7","5","5","3","2","1","1","1") = "6"
    & skf21("7","5","5","3","2","1","2","1") = "6"
    & skf21("7","5","5","3","2","1","3","1") = "6"
    & skf21("7","5","5","3","2","1","4","1") = "6"
    & skf21("7","5","5","3","2","1","5","1") = "6"
    & skf21("7","5","5","3","2","1","6","1") = "6"
    & skf21("7","5","5","3","2","1","7","1") = "6"
    & skf21("7","5","5","3","2","2","1","1") = "6"
    & skf21("7","5","5","3","2","2","2","1") = "6"
    & skf21("7","5","5","3","2","2","3","1") = "6"
    & skf21("7","5","5","3","2","2","4","1") = "6"
    & skf21("7","5","5","3","2","2","5","1") = "6"
    & skf21("7","5","5","3","2","2","6","1") = "6"
    & skf21("7","5","5","3","2","2","7","1") = "6"
    & skf21("7","5","5","3","2","3","1","1") = "6"
    & skf21("7","5","5","3","2","3","2","1") = "6"
    & skf21("7","5","5","3","2","3","3","1") = "6"
    & skf21("7","5","5","3","2","3","4","1") = "6"
    & skf21("7","5","5","3","2","3","5","1") = "6"
    & skf21("7","5","5","3","2","3","6","1") = "6"
    & skf21("7","5","5","3","2","3","7","1") = "6"
    & skf21("7","5","5","3","2","4","1","1") = "6"
    & skf21("7","5","5","3","2","4","2","1") = "6"
    & skf21("7","5","5","3","2","4","3","1") = "6"
    & skf21("7","5","5","3","2","4","4","1") = "6"
    & skf21("7","5","5","3","2","4","5","1") = "6"
    & skf21("7","5","5","3","2","4","6","1") = "6"
    & skf21("7","5","5","3","2","4","7","1") = "6"
    & skf21("7","5","5","3","2","5","1","1") = "6"
    & skf21("7","5","5","3","2","5","2","1") = "6"
    & skf21("7","5","5","3","2","5","3","1") = "6"
    & skf21("7","5","5","3","2","5","4","1") = "6"
    & skf21("7","5","5","3","2","5","5","1") = "6"
    & skf21("7","5","5","3","2","5","6","1") = "6"
    & skf21("7","5","5","3","2","5","7","1") = "6"
    & skf21("7","5","5","3","2","6","1","1") = "6"
    & skf21("7","5","5","3","2","6","2","1") = "6"
    & skf21("7","5","5","3","2","6","3","1") = "6"
    & skf21("7","5","5","3","2","6","4","1") = "6"
    & skf21("7","5","5","3","2","6","5","1") = "6"
    & skf21("7","5","5","3","2","6","6","1") = "6"
    & skf21("7","5","5","3","2","6","7","1") = "6"
    & skf21("7","5","5","3","2","7","1","1") = "6"
    & skf21("7","5","5","3","2","7","2","1") = "6"
    & skf21("7","5","5","3","2","7","3","1") = "6"
    & skf21("7","5","5","3","2","7","4","1") = "6"
    & skf21("7","5","5","3","2","7","5","1") = "6"
    & skf21("7","5","5","3","2","7","6","1") = "6"
    & skf21("7","5","5","3","2","7","7","1") = "6"
    & skf21("7","5","5","3","3","1","1","1") = "6"
    & skf21("7","5","5","3","3","1","2","1") = "6"
    & skf21("7","5","5","3","3","1","3","1") = "6"
    & skf21("7","5","5","3","3","1","4","1") = "6"
    & skf21("7","5","5","3","3","1","5","1") = "6"
    & skf21("7","5","5","3","3","1","6","1") = "6"
    & skf21("7","5","5","3","3","1","7","1") = "6"
    & skf21("7","5","5","3","3","2","1","1") = "6"
    & skf21("7","5","5","3","3","2","2","1") = "6"
    & skf21("7","5","5","3","3","2","3","1") = "6"
    & skf21("7","5","5","3","3","2","4","1") = "6"
    & skf21("7","5","5","3","3","2","5","1") = "6"
    & skf21("7","5","5","3","3","2","6","1") = "6"
    & skf21("7","5","5","3","3","2","7","1") = "6"
    & skf21("7","5","5","3","3","3","1","1") = "6"
    & skf21("7","5","5","3","3","3","2","1") = "6"
    & skf21("7","5","5","3","3","3","3","1") = "6"
    & skf21("7","5","5","3","3","3","4","1") = "6"
    & skf21("7","5","5","3","3","3","5","1") = "6"
    & skf21("7","5","5","3","3","3","6","1") = "6"
    & skf21("7","5","5","3","3","3","7","1") = "6"
    & skf21("7","5","5","3","3","4","1","1") = "6"
    & skf21("7","5","5","3","3","4","2","1") = "6"
    & skf21("7","5","5","3","3","4","3","1") = "6"
    & skf21("7","5","5","3","3","4","4","1") = "6"
    & skf21("7","5","5","3","3","4","5","1") = "6"
    & skf21("7","5","5","3","3","4","6","1") = "6"
    & skf21("7","5","5","3","3","4","7","1") = "6"
    & skf21("7","5","5","3","3","5","1","1") = "6"
    & skf21("7","5","5","3","3","5","2","1") = "6"
    & skf21("7","5","5","3","3","5","3","1") = "6"
    & skf21("7","5","5","3","3","5","4","1") = "6"
    & skf21("7","5","5","3","3","5","5","1") = "6"
    & skf21("7","5","5","3","3","5","6","1") = "6"
    & skf21("7","5","5","3","3","5","7","1") = "6"
    & skf21("7","5","5","3","3","6","1","1") = "6"
    & skf21("7","5","5","3","3","6","2","1") = "6"
    & skf21("7","5","5","3","3","6","3","1") = "6"
    & skf21("7","5","5","3","3","6","4","1") = "6"
    & skf21("7","5","5","3","3","6","5","1") = "6"
    & skf21("7","5","5","3","3","6","6","1") = "6"
    & skf21("7","5","5","3","3","6","7","1") = "6"
    & skf21("7","5","5","3","3","7","1","1") = "6"
    & skf21("7","5","5","3","3","7","2","1") = "6"
    & skf21("7","5","5","3","3","7","3","1") = "6"
    & skf21("7","5","5","3","3","7","4","1") = "6"
    & skf21("7","5","5","3","3","7","5","1") = "6"
    & skf21("7","5","5","3","3","7","6","1") = "6"
    & skf21("7","5","5","3","3","7","7","1") = "6"
    & skf21("7","5","5","3","4","1","1","1") = "6"
    & skf21("7","5","5","3","4","1","2","1") = "6"
    & skf21("7","5","5","3","4","1","3","1") = "6"
    & skf21("7","5","5","3","4","1","4","1") = "6"
    & skf21("7","5","5","3","4","1","5","1") = "6"
    & skf21("7","5","5","3","4","1","6","1") = "6"
    & skf21("7","5","5","3","4","1","7","1") = "6"
    & skf21("7","5","5","3","4","2","1","1") = "6"
    & skf21("7","5","5","3","4","2","2","1") = "6"
    & skf21("7","5","5","3","4","2","3","1") = "6"
    & skf21("7","5","5","3","4","2","4","1") = "6"
    & skf21("7","5","5","3","4","2","5","1") = "6"
    & skf21("7","5","5","3","4","2","6","1") = "6"
    & skf21("7","5","5","3","4","2","7","1") = "6"
    & skf21("7","5","5","3","4","3","1","1") = "6"
    & skf21("7","5","5","3","4","3","2","1") = "6"
    & skf21("7","5","5","3","4","3","3","1") = "6"
    & skf21("7","5","5","3","4","3","4","1") = "6"
    & skf21("7","5","5","3","4","3","5","1") = "6"
    & skf21("7","5","5","3","4","3","6","1") = "6"
    & skf21("7","5","5","3","4","3","7","1") = "6"
    & skf21("7","5","5","3","4","4","1","1") = "6"
    & skf21("7","5","5","3","4","4","2","1") = "6"
    & skf21("7","5","5","3","4","4","3","1") = "6"
    & skf21("7","5","5","3","4","4","4","1") = "6"
    & skf21("7","5","5","3","4","4","5","1") = "6"
    & skf21("7","5","5","3","4","4","6","1") = "6"
    & skf21("7","5","5","3","4","4","7","1") = "6"
    & skf21("7","5","5","3","4","5","1","1") = "6"
    & skf21("7","5","5","3","4","5","2","1") = "6"
    & skf21("7","5","5","3","4","5","3","1") = "6"
    & skf21("7","5","5","3","4","5","4","1") = "6"
    & skf21("7","5","5","3","4","5","5","1") = "6"
    & skf21("7","5","5","3","4","5","6","1") = "6"
    & skf21("7","5","5","3","4","5","7","1") = "6"
    & skf21("7","5","5","3","4","6","1","1") = "6"
    & skf21("7","5","5","3","4","6","2","1") = "6"
    & skf21("7","5","5","3","4","6","3","1") = "6"
    & skf21("7","5","5","3","4","6","4","1") = "6"
    & skf21("7","5","5","3","4","6","5","1") = "6"
    & skf21("7","5","5","3","4","6","6","1") = "6"
    & skf21("7","5","5","3","4","6","7","1") = "6"
    & skf21("7","5","5","3","4","7","1","1") = "6"
    & skf21("7","5","5","3","4","7","2","1") = "6"
    & skf21("7","5","5","3","4","7","3","1") = "6"
    & skf21("7","5","5","3","4","7","4","1") = "6"
    & skf21("7","5","5","3","4","7","5","1") = "6"
    & skf21("7","5","5","3","4","7","6","1") = "6"
    & skf21("7","5","5","3","4","7","7","1") = "6"
    & skf21("7","5","5","3","5","1","1","1") = "6"
    & skf21("7","5","5","3","5","1","2","1") = "6"
    & skf21("7","5","5","3","5","1","3","1") = "6"
    & skf21("7","5","5","3","5","1","4","1") = "6"
    & skf21("7","5","5","3","5","1","5","1") = "6"
    & skf21("7","5","5","3","5","1","6","1") = "6"
    & skf21("7","5","5","3","5","1","7","1") = "6"
    & skf21("7","5","5","3","5","2","1","1") = "6"
    & skf21("7","5","5","3","5","2","2","1") = "6"
    & skf21("7","5","5","3","5","2","3","1") = "6"
    & skf21("7","5","5","3","5","2","4","1") = "6"
    & skf21("7","5","5","3","5","2","5","1") = "6"
    & skf21("7","5","5","3","5","2","6","1") = "6"
    & skf21("7","5","5","3","5","2","7","1") = "6"
    & skf21("7","5","5","3","5","3","1","1") = "6"
    & skf21("7","5","5","3","5","3","2","1") = "6"
    & skf21("7","5","5","3","5","3","3","1") = "6"
    & skf21("7","5","5","3","5","3","4","1") = "6"
    & skf21("7","5","5","3","5","3","5","1") = "6"
    & skf21("7","5","5","3","5","3","6","1") = "6"
    & skf21("7","5","5","3","5","3","7","1") = "6"
    & skf21("7","5","5","3","5","4","1","1") = "6"
    & skf21("7","5","5","3","5","4","2","1") = "6"
    & skf21("7","5","5","3","5","4","3","1") = "6"
    & skf21("7","5","5","3","5","4","4","1") = "6"
    & skf21("7","5","5","3","5","4","5","1") = "6"
    & skf21("7","5","5","3","5","4","6","1") = "6"
    & skf21("7","5","5","3","5","4","7","1") = "6"
    & skf21("7","5","5","3","5","5","1","1") = "6"
    & skf21("7","5","5","3","5","5","2","1") = "6"
    & skf21("7","5","5","3","5","5","3","1") = "6"
    & skf21("7","5","5","3","5","5","4","1") = "6"
    & skf21("7","5","5","3","5","5","5","1") = "6"
    & skf21("7","5","5","3","5","5","6","1") = "6"
    & skf21("7","5","5","3","5","5","7","1") = "6"
    & skf21("7","5","5","3","5","6","1","1") = "6"
    & skf21("7","5","5","3","5","6","2","1") = "6"
    & skf21("7","5","5","3","5","6","3","1") = "6"
    & skf21("7","5","5","3","5","6","4","1") = "6"
    & skf21("7","5","5","3","5","6","5","1") = "6"
    & skf21("7","5","5","3","5","6","6","1") = "6"
    & skf21("7","5","5","3","5","6","7","1") = "6"
    & skf21("7","5","5","3","5","7","1","1") = "6"
    & skf21("7","5","5","3","5","7","2","1") = "6"
    & skf21("7","5","5","3","5","7","3","1") = "6"
    & skf21("7","5","5","3","5","7","4","1") = "6"
    & skf21("7","5","5","3","5","7","5","1") = "6"
    & skf21("7","5","5","3","5","7","6","1") = "6"
    & skf21("7","5","5","3","5","7","7","1") = "6"
    & skf21("7","5","5","3","6","1","1","1") = "6"
    & skf21("7","5","5","3","6","1","2","1") = "6"
    & skf21("7","5","5","3","6","1","3","1") = "6"
    & skf21("7","5","5","3","6","1","4","1") = "6"
    & skf21("7","5","5","3","6","1","5","1") = "6"
    & skf21("7","5","5","3","6","1","6","1") = "6"
    & skf21("7","5","5","3","6","1","7","1") = "6"
    & skf21("7","5","5","3","6","2","1","1") = "6"
    & skf21("7","5","5","3","6","2","2","1") = "6"
    & skf21("7","5","5","3","6","2","3","1") = "6"
    & skf21("7","5","5","3","6","2","4","1") = "6"
    & skf21("7","5","5","3","6","2","5","1") = "6"
    & skf21("7","5","5","3","6","2","6","1") = "6"
    & skf21("7","5","5","3","6","2","7","1") = "6"
    & skf21("7","5","5","3","6","3","1","1") = "6"
    & skf21("7","5","5","3","6","3","2","1") = "6"
    & skf21("7","5","5","3","6","3","3","1") = "6"
    & skf21("7","5","5","3","6","3","4","1") = "6"
    & skf21("7","5","5","3","6","3","5","1") = "6"
    & skf21("7","5","5","3","6","3","6","1") = "6"
    & skf21("7","5","5","3","6","3","7","1") = "6"
    & skf21("7","5","5","3","6","4","1","1") = "6"
    & skf21("7","5","5","3","6","4","2","1") = "6"
    & skf21("7","5","5","3","6","4","3","1") = "6"
    & skf21("7","5","5","3","6","4","4","1") = "6"
    & skf21("7","5","5","3","6","4","5","1") = "6"
    & skf21("7","5","5","3","6","4","6","1") = "6"
    & skf21("7","5","5","3","6","4","7","1") = "6"
    & skf21("7","5","5","3","6","5","1","1") = "6"
    & skf21("7","5","5","3","6","5","2","1") = "6"
    & skf21("7","5","5","3","6","5","3","1") = "6"
    & skf21("7","5","5","3","6","5","4","1") = "6"
    & skf21("7","5","5","3","6","5","5","1") = "6"
    & skf21("7","5","5","3","6","5","6","1") = "6"
    & skf21("7","5","5","3","6","5","7","1") = "6"
    & skf21("7","5","5","3","6","6","1","1") = "6"
    & skf21("7","5","5","3","6","6","2","1") = "6"
    & skf21("7","5","5","3","6","6","3","1") = "6"
    & skf21("7","5","5","3","6","6","4","1") = "6"
    & skf21("7","5","5","3","6","6","5","1") = "6"
    & skf21("7","5","5","3","6","6","6","1") = "6"
    & skf21("7","5","5","3","6","6","7","1") = "6"
    & skf21("7","5","5","3","6","7","1","1") = "6"
    & skf21("7","5","5","3","6","7","2","1") = "6"
    & skf21("7","5","5","3","6","7","3","1") = "6"
    & skf21("7","5","5","3","6","7","4","1") = "6"
    & skf21("7","5","5","3","6","7","5","1") = "6"
    & skf21("7","5","5","3","6","7","6","1") = "6"
    & skf21("7","5","5","3","6","7","7","1") = "6"
    & skf21("7","5","5","3","7","1","1","1") = "6"
    & skf21("7","5","5","3","7","1","2","1") = "6"
    & skf21("7","5","5","3","7","1","3","1") = "6"
    & skf21("7","5","5","3","7","1","4","1") = "6"
    & skf21("7","5","5","3","7","1","5","1") = "6"
    & skf21("7","5","5","3","7","1","6","1") = "6"
    & skf21("7","5","5","3","7","1","7","1") = "6"
    & skf21("7","5","5","3","7","2","1","1") = "6"
    & skf21("7","5","5","3","7","2","2","1") = "6"
    & skf21("7","5","5","3","7","2","3","1") = "6"
    & skf21("7","5","5","3","7","2","4","1") = "6"
    & skf21("7","5","5","3","7","2","5","1") = "6"
    & skf21("7","5","5","3","7","2","6","1") = "6"
    & skf21("7","5","5","3","7","2","7","1") = "6"
    & skf21("7","5","5","3","7","3","1","1") = "6"
    & skf21("7","5","5","3","7","3","2","1") = "6"
    & skf21("7","5","5","3","7","3","3","1") = "6"
    & skf21("7","5","5","3","7","3","4","1") = "6"
    & skf21("7","5","5","3","7","3","5","1") = "6"
    & skf21("7","5","5","3","7","3","6","1") = "6"
    & skf21("7","5","5","3","7","3","7","1") = "6"
    & skf21("7","5","5","3","7","4","1","1") = "6"
    & skf21("7","5","5","3","7","4","2","1") = "6"
    & skf21("7","5","5","3","7","4","3","1") = "6"
    & skf21("7","5","5","3","7","4","4","1") = "6"
    & skf21("7","5","5","3","7","4","5","1") = "6"
    & skf21("7","5","5","3","7","4","6","1") = "6"
    & skf21("7","5","5","3","7","4","7","1") = "6"
    & skf21("7","5","5","3","7","5","1","1") = "6"
    & skf21("7","5","5","3","7","5","2","1") = "6"
    & skf21("7","5","5","3","7","5","3","1") = "6"
    & skf21("7","5","5","3","7","5","4","1") = "6"
    & skf21("7","5","5","3","7","5","5","1") = "6"
    & skf21("7","5","5","3","7","5","6","1") = "6"
    & skf21("7","5","5","3","7","5","7","1") = "6"
    & skf21("7","5","5","3","7","6","1","1") = "6"
    & skf21("7","5","5","3","7","6","2","1") = "6"
    & skf21("7","5","5","3","7","6","3","1") = "6"
    & skf21("7","5","5","3","7","6","4","1") = "6"
    & skf21("7","5","5","3","7","6","5","1") = "6"
    & skf21("7","5","5","3","7","6","6","1") = "6"
    & skf21("7","5","5","3","7","6","7","1") = "6"
    & skf21("7","5","5","3","7","7","1","1") = "6"
    & skf21("7","5","5","3","7","7","2","1") = "6"
    & skf21("7","5","5","3","7","7","3","1") = "6"
    & skf21("7","5","5","3","7","7","4","1") = "6"
    & skf21("7","5","5","3","7","7","5","1") = "6"
    & skf21("7","5","5","3","7","7","6","1") = "6"
    & skf21("7","5","5","3","7","7","7","1") = "6"
    & skf21("7","5","5","4","1","1","1","1") = "6"
    & skf21("7","5","5","4","1","1","2","1") = "6"
    & skf21("7","5","5","4","1","1","3","1") = "6"
    & skf21("7","5","5","4","1","1","4","1") = "6"
    & skf21("7","5","5","4","1","1","5","1") = "6"
    & skf21("7","5","5","4","1","1","6","1") = "6"
    & skf21("7","5","5","4","1","1","7","1") = "6"
    & skf21("7","5","5","4","1","2","1","1") = "6"
    & skf21("7","5","5","4","1","2","2","1") = "6"
    & skf21("7","5","5","4","1","2","3","1") = "6"
    & skf21("7","5","5","4","1","2","4","1") = "6"
    & skf21("7","5","5","4","1","2","5","1") = "6"
    & skf21("7","5","5","4","1","2","6","1") = "6"
    & skf21("7","5","5","4","1","2","7","1") = "6"
    & skf21("7","5","5","4","1","3","1","1") = "6"
    & skf21("7","5","5","4","1","3","2","1") = "6"
    & skf21("7","5","5","4","1","3","3","1") = "6"
    & skf21("7","5","5","4","1","3","4","1") = "6"
    & skf21("7","5","5","4","1","3","5","1") = "6"
    & skf21("7","5","5","4","1","3","6","1") = "6"
    & skf21("7","5","5","4","1","3","7","1") = "6"
    & skf21("7","5","5","4","1","4","1","1") = "6"
    & skf21("7","5","5","4","1","4","2","1") = "6"
    & skf21("7","5","5","4","1","4","3","1") = "6"
    & skf21("7","5","5","4","1","4","4","1") = "6"
    & skf21("7","5","5","4","1","4","5","1") = "6"
    & skf21("7","5","5","4","1","4","6","1") = "6"
    & skf21("7","5","5","4","1","4","7","1") = "6"
    & skf21("7","5","5","4","1","5","1","1") = "6"
    & skf21("7","5","5","4","1","5","2","1") = "6"
    & skf21("7","5","5","4","1","5","3","1") = "6"
    & skf21("7","5","5","4","1","5","4","1") = "6"
    & skf21("7","5","5","4","1","5","5","1") = "6"
    & skf21("7","5","5","4","1","5","6","1") = "6"
    & skf21("7","5","5","4","1","5","7","1") = "6"
    & skf21("7","5","5","4","1","6","1","1") = "6"
    & skf21("7","5","5","4","1","6","2","1") = "6"
    & skf21("7","5","5","4","1","6","3","1") = "6"
    & skf21("7","5","5","4","1","6","4","1") = "6"
    & skf21("7","5","5","4","1","6","5","1") = "6"
    & skf21("7","5","5","4","1","6","6","1") = "6"
    & skf21("7","5","5","4","1","6","7","1") = "6"
    & skf21("7","5","5","4","1","7","1","1") = "6"
    & skf21("7","5","5","4","1","7","2","1") = "6"
    & skf21("7","5","5","4","1","7","3","1") = "6"
    & skf21("7","5","5","4","1","7","4","1") = "6"
    & skf21("7","5","5","4","1","7","5","1") = "6"
    & skf21("7","5","5","4","1","7","6","1") = "6"
    & skf21("7","5","5","4","1","7","7","1") = "6"
    & skf21("7","5","5","4","2","1","1","1") = "6"
    & skf21("7","5","5","4","2","1","2","1") = "6"
    & skf21("7","5","5","4","2","1","3","1") = "6"
    & skf21("7","5","5","4","2","1","4","1") = "6"
    & skf21("7","5","5","4","2","1","5","1") = "6"
    & skf21("7","5","5","4","2","1","6","1") = "6"
    & skf21("7","5","5","4","2","1","7","1") = "6"
    & skf21("7","5","5","4","2","2","1","1") = "6"
    & skf21("7","5","5","4","2","2","2","1") = "6"
    & skf21("7","5","5","4","2","2","3","1") = "6"
    & skf21("7","5","5","4","2","2","4","1") = "6"
    & skf21("7","5","5","4","2","2","5","1") = "6"
    & skf21("7","5","5","4","2","2","6","1") = "6"
    & skf21("7","5","5","4","2","2","7","1") = "6"
    & skf21("7","5","5","4","2","3","1","1") = "6"
    & skf21("7","5","5","4","2","3","2","1") = "6"
    & skf21("7","5","5","4","2","3","3","1") = "6"
    & skf21("7","5","5","4","2","3","4","1") = "6"
    & skf21("7","5","5","4","2","3","5","1") = "6"
    & skf21("7","5","5","4","2","3","6","1") = "6"
    & skf21("7","5","5","4","2","3","7","1") = "6"
    & skf21("7","5","5","4","2","4","1","1") = "6"
    & skf21("7","5","5","4","2","4","2","1") = "6"
    & skf21("7","5","5","4","2","4","3","1") = "6"
    & skf21("7","5","5","4","2","4","4","1") = "6"
    & skf21("7","5","5","4","2","4","5","1") = "6"
    & skf21("7","5","5","4","2","4","6","1") = "6"
    & skf21("7","5","5","4","2","4","7","1") = "6"
    & skf21("7","5","5","4","2","5","1","1") = "6"
    & skf21("7","5","5","4","2","5","2","1") = "6"
    & skf21("7","5","5","4","2","5","3","1") = "6"
    & skf21("7","5","5","4","2","5","4","1") = "6"
    & skf21("7","5","5","4","2","5","5","1") = "6"
    & skf21("7","5","5","4","2","5","6","1") = "6"
    & skf21("7","5","5","4","2","5","7","1") = "6"
    & skf21("7","5","5","4","2","6","1","1") = "6"
    & skf21("7","5","5","4","2","6","2","1") = "6"
    & skf21("7","5","5","4","2","6","3","1") = "6"
    & skf21("7","5","5","4","2","6","4","1") = "6"
    & skf21("7","5","5","4","2","6","5","1") = "6"
    & skf21("7","5","5","4","2","6","6","1") = "6"
    & skf21("7","5","5","4","2","6","7","1") = "6"
    & skf21("7","5","5","4","2","7","1","1") = "6"
    & skf21("7","5","5","4","2","7","2","1") = "6"
    & skf21("7","5","5","4","2","7","3","1") = "6"
    & skf21("7","5","5","4","2","7","4","1") = "6"
    & skf21("7","5","5","4","2","7","5","1") = "6"
    & skf21("7","5","5","4","2","7","6","1") = "6"
    & skf21("7","5","5","4","2","7","7","1") = "6"
    & skf21("7","5","5","4","3","1","1","1") = "6"
    & skf21("7","5","5","4","3","1","2","1") = "6"
    & skf21("7","5","5","4","3","1","3","1") = "6"
    & skf21("7","5","5","4","3","1","4","1") = "6"
    & skf21("7","5","5","4","3","1","5","1") = "6"
    & skf21("7","5","5","4","3","1","6","1") = "6"
    & skf21("7","5","5","4","3","1","7","1") = "6"
    & skf21("7","5","5","4","3","2","1","1") = "6"
    & skf21("7","5","5","4","3","2","2","1") = "6"
    & skf21("7","5","5","4","3","2","3","1") = "6"
    & skf21("7","5","5","4","3","2","4","1") = "6"
    & skf21("7","5","5","4","3","2","5","1") = "6"
    & skf21("7","5","5","4","3","2","6","1") = "6"
    & skf21("7","5","5","4","3","2","7","1") = "6"
    & skf21("7","5","5","4","3","3","1","1") = "6"
    & skf21("7","5","5","4","3","3","2","1") = "6"
    & skf21("7","5","5","4","3","3","3","1") = "6"
    & skf21("7","5","5","4","3","3","4","1") = "6"
    & skf21("7","5","5","4","3","3","5","1") = "6"
    & skf21("7","5","5","4","3","3","6","1") = "6"
    & skf21("7","5","5","4","3","3","7","1") = "6"
    & skf21("7","5","5","4","3","4","1","1") = "6"
    & skf21("7","5","5","4","3","4","2","1") = "6"
    & skf21("7","5","5","4","3","4","3","1") = "6"
    & skf21("7","5","5","4","3","4","4","1") = "6"
    & skf21("7","5","5","4","3","4","5","1") = "6"
    & skf21("7","5","5","4","3","4","6","1") = "6"
    & skf21("7","5","5","4","3","4","7","1") = "6"
    & skf21("7","5","5","4","3","5","1","1") = "6"
    & skf21("7","5","5","4","3","5","2","1") = "6"
    & skf21("7","5","5","4","3","5","3","1") = "6"
    & skf21("7","5","5","4","3","5","4","1") = "6"
    & skf21("7","5","5","4","3","5","5","1") = "6"
    & skf21("7","5","5","4","3","5","6","1") = "6"
    & skf21("7","5","5","4","3","5","7","1") = "6"
    & skf21("7","5","5","4","3","6","1","1") = "6"
    & skf21("7","5","5","4","3","6","2","1") = "6"
    & skf21("7","5","5","4","3","6","3","1") = "6"
    & skf21("7","5","5","4","3","6","4","1") = "6"
    & skf21("7","5","5","4","3","6","5","1") = "6"
    & skf21("7","5","5","4","3","6","6","1") = "6"
    & skf21("7","5","5","4","3","6","7","1") = "6"
    & skf21("7","5","5","4","3","7","1","1") = "6"
    & skf21("7","5","5","4","3","7","2","1") = "6"
    & skf21("7","5","5","4","3","7","3","1") = "6"
    & skf21("7","5","5","4","3","7","4","1") = "6"
    & skf21("7","5","5","4","3","7","5","1") = "6"
    & skf21("7","5","5","4","3","7","6","1") = "6"
    & skf21("7","5","5","4","3","7","7","1") = "6"
    & skf21("7","5","5","4","4","1","1","1") = "6"
    & skf21("7","5","5","4","4","1","2","1") = "6"
    & skf21("7","5","5","4","4","1","3","1") = "6"
    & skf21("7","5","5","4","4","1","4","1") = "6"
    & skf21("7","5","5","4","4","1","5","1") = "6"
    & skf21("7","5","5","4","4","1","6","1") = "6"
    & skf21("7","5","5","4","4","1","7","1") = "6"
    & skf21("7","5","5","4","4","2","1","1") = "6"
    & skf21("7","5","5","4","4","2","2","1") = "6"
    & skf21("7","5","5","4","4","2","3","1") = "6"
    & skf21("7","5","5","4","4","2","4","1") = "6"
    & skf21("7","5","5","4","4","2","5","1") = "6"
    & skf21("7","5","5","4","4","2","6","1") = "6"
    & skf21("7","5","5","4","4","2","7","1") = "6"
    & skf21("7","5","5","4","4","3","1","1") = "6"
    & skf21("7","5","5","4","4","3","2","1") = "6"
    & skf21("7","5","5","4","4","3","3","1") = "6"
    & skf21("7","5","5","4","4","3","4","1") = "6"
    & skf21("7","5","5","4","4","3","5","1") = "6"
    & skf21("7","5","5","4","4","3","6","1") = "6"
    & skf21("7","5","5","4","4","3","7","1") = "6"
    & skf21("7","5","5","4","4","4","1","1") = "6"
    & skf21("7","5","5","4","4","4","2","1") = "6"
    & skf21("7","5","5","4","4","4","3","1") = "6"
    & skf21("7","5","5","4","4","4","4","1") = "6"
    & skf21("7","5","5","4","4","4","5","1") = "6"
    & skf21("7","5","5","4","4","4","6","1") = "6"
    & skf21("7","5","5","4","4","4","7","1") = "6"
    & skf21("7","5","5","4","4","5","1","1") = "6"
    & skf21("7","5","5","4","4","5","2","1") = "6"
    & skf21("7","5","5","4","4","5","3","1") = "6"
    & skf21("7","5","5","4","4","5","4","1") = "6"
    & skf21("7","5","5","4","4","5","5","1") = "6"
    & skf21("7","5","5","4","4","5","6","1") = "6"
    & skf21("7","5","5","4","4","5","7","1") = "6"
    & skf21("7","5","5","4","4","6","1","1") = "6"
    & skf21("7","5","5","4","4","6","2","1") = "6"
    & skf21("7","5","5","4","4","6","3","1") = "6"
    & skf21("7","5","5","4","4","6","4","1") = "6"
    & skf21("7","5","5","4","4","6","5","1") = "6"
    & skf21("7","5","5","4","4","6","6","1") = "6"
    & skf21("7","5","5","4","4","6","7","1") = "6"
    & skf21("7","5","5","4","4","7","1","1") = "6"
    & skf21("7","5","5","4","4","7","2","1") = "6"
    & skf21("7","5","5","4","4","7","3","1") = "6"
    & skf21("7","5","5","4","4","7","4","1") = "6"
    & skf21("7","5","5","4","4","7","5","1") = "6"
    & skf21("7","5","5","4","4","7","6","1") = "6"
    & skf21("7","5","5","4","4","7","7","1") = "6"
    & skf21("7","5","5","4","5","1","1","1") = "6"
    & skf21("7","5","5","4","5","1","2","1") = "6"
    & skf21("7","5","5","4","5","1","3","1") = "6"
    & skf21("7","5","5","4","5","1","4","1") = "6"
    & skf21("7","5","5","4","5","1","5","1") = "6"
    & skf21("7","5","5","4","5","1","6","1") = "6"
    & skf21("7","5","5","4","5","1","7","1") = "6"
    & skf21("7","5","5","4","5","2","1","1") = "6"
    & skf21("7","5","5","4","5","2","2","1") = "6"
    & skf21("7","5","5","4","5","2","3","1") = "6"
    & skf21("7","5","5","4","5","2","4","1") = "6"
    & skf21("7","5","5","4","5","2","5","1") = "6"
    & skf21("7","5","5","4","5","2","6","1") = "6"
    & skf21("7","5","5","4","5","2","7","1") = "6"
    & skf21("7","5","5","4","5","3","1","1") = "6"
    & skf21("7","5","5","4","5","3","2","1") = "6"
    & skf21("7","5","5","4","5","3","3","1") = "6"
    & skf21("7","5","5","4","5","3","4","1") = "6"
    & skf21("7","5","5","4","5","3","5","1") = "6"
    & skf21("7","5","5","4","5","3","6","1") = "6"
    & skf21("7","5","5","4","5","3","7","1") = "6"
    & skf21("7","5","5","4","5","4","1","1") = "6"
    & skf21("7","5","5","4","5","4","2","1") = "6"
    & skf21("7","5","5","4","5","4","3","1") = "6"
    & skf21("7","5","5","4","5","4","4","1") = "6"
    & skf21("7","5","5","4","5","4","5","1") = "6"
    & skf21("7","5","5","4","5","4","6","1") = "6"
    & skf21("7","5","5","4","5","4","7","1") = "6"
    & skf21("7","5","5","4","5","5","1","1") = "6"
    & skf21("7","5","5","4","5","5","2","1") = "6"
    & skf21("7","5","5","4","5","5","3","1") = "6"
    & skf21("7","5","5","4","5","5","4","1") = "6"
    & skf21("7","5","5","4","5","5","5","1") = "6"
    & skf21("7","5","5","4","5","5","6","1") = "6"
    & skf21("7","5","5","4","5","5","7","1") = "6"
    & skf21("7","5","5","4","5","6","1","1") = "6"
    & skf21("7","5","5","4","5","6","2","1") = "6"
    & skf21("7","5","5","4","5","6","3","1") = "6"
    & skf21("7","5","5","4","5","6","4","1") = "6"
    & skf21("7","5","5","4","5","6","5","1") = "6"
    & skf21("7","5","5","4","5","6","6","1") = "6"
    & skf21("7","5","5","4","5","6","7","1") = "6"
    & skf21("7","5","5","4","5","7","1","1") = "6"
    & skf21("7","5","5","4","5","7","2","1") = "6"
    & skf21("7","5","5","4","5","7","3","1") = "6"
    & skf21("7","5","5","4","5","7","4","1") = "6"
    & skf21("7","5","5","4","5","7","5","1") = "6"
    & skf21("7","5","5","4","5","7","6","1") = "6"
    & skf21("7","5","5","4","5","7","7","1") = "6"
    & skf21("7","5","5","4","6","1","1","1") = "6"
    & skf21("7","5","5","4","6","1","2","1") = "6"
    & skf21("7","5","5","4","6","1","3","1") = "6"
    & skf21("7","5","5","4","6","1","4","1") = "6"
    & skf21("7","5","5","4","6","1","5","1") = "6"
    & skf21("7","5","5","4","6","1","6","1") = "6"
    & skf21("7","5","5","4","6","1","7","1") = "6"
    & skf21("7","5","5","4","6","2","1","1") = "6"
    & skf21("7","5","5","4","6","2","2","1") = "6"
    & skf21("7","5","5","4","6","2","3","1") = "6"
    & skf21("7","5","5","4","6","2","4","1") = "6"
    & skf21("7","5","5","4","6","2","5","1") = "6"
    & skf21("7","5","5","4","6","2","6","1") = "6"
    & skf21("7","5","5","4","6","2","7","1") = "6"
    & skf21("7","5","5","4","6","3","1","1") = "6"
    & skf21("7","5","5","4","6","3","2","1") = "6"
    & skf21("7","5","5","4","6","3","3","1") = "6"
    & skf21("7","5","5","4","6","3","4","1") = "6"
    & skf21("7","5","5","4","6","3","5","1") = "6"
    & skf21("7","5","5","4","6","3","6","1") = "6"
    & skf21("7","5","5","4","6","3","7","1") = "6"
    & skf21("7","5","5","4","6","4","1","1") = "6"
    & skf21("7","5","5","4","6","4","2","1") = "6"
    & skf21("7","5","5","4","6","4","3","1") = "6"
    & skf21("7","5","5","4","6","4","4","1") = "6"
    & skf21("7","5","5","4","6","4","5","1") = "6"
    & skf21("7","5","5","4","6","4","6","1") = "6"
    & skf21("7","5","5","4","6","4","7","1") = "6"
    & skf21("7","5","5","4","6","5","1","1") = "6"
    & skf21("7","5","5","4","6","5","2","1") = "6"
    & skf21("7","5","5","4","6","5","3","1") = "6"
    & skf21("7","5","5","4","6","5","4","1") = "6"
    & skf21("7","5","5","4","6","5","5","1") = "6"
    & skf21("7","5","5","4","6","5","6","1") = "6"
    & skf21("7","5","5","4","6","5","7","1") = "6"
    & skf21("7","5","5","4","6","6","1","1") = "6"
    & skf21("7","5","5","4","6","6","2","1") = "6"
    & skf21("7","5","5","4","6","6","3","1") = "6"
    & skf21("7","5","5","4","6","6","4","1") = "6"
    & skf21("7","5","5","4","6","6","5","1") = "6"
    & skf21("7","5","5","4","6","6","6","1") = "6"
    & skf21("7","5","5","4","6","6","7","1") = "6"
    & skf21("7","5","5","4","6","7","1","1") = "6"
    & skf21("7","5","5","4","6","7","2","1") = "6"
    & skf21("7","5","5","4","6","7","3","1") = "6"
    & skf21("7","5","5","4","6","7","4","1") = "6"
    & skf21("7","5","5","4","6","7","5","1") = "6"
    & skf21("7","5","5","4","6","7","6","1") = "6"
    & skf21("7","5","5","4","6","7","7","1") = "6"
    & skf21("7","5","5","4","7","1","1","1") = "6"
    & skf21("7","5","5","4","7","1","2","1") = "6"
    & skf21("7","5","5","4","7","1","3","1") = "6"
    & skf21("7","5","5","4","7","1","4","1") = "6"
    & skf21("7","5","5","4","7","1","5","1") = "6"
    & skf21("7","5","5","4","7","1","6","1") = "6"
    & skf21("7","5","5","4","7","1","7","1") = "6"
    & skf21("7","5","5","4","7","2","1","1") = "6"
    & skf21("7","5","5","4","7","2","2","1") = "6"
    & skf21("7","5","5","4","7","2","3","1") = "6"
    & skf21("7","5","5","4","7","2","4","1") = "6"
    & skf21("7","5","5","4","7","2","5","1") = "6"
    & skf21("7","5","5","4","7","2","6","1") = "6"
    & skf21("7","5","5","4","7","2","7","1") = "6"
    & skf21("7","5","5","4","7","3","1","1") = "6"
    & skf21("7","5","5","4","7","3","2","1") = "6"
    & skf21("7","5","5","4","7","3","3","1") = "6"
    & skf21("7","5","5","4","7","3","4","1") = "6"
    & skf21("7","5","5","4","7","3","5","1") = "6"
    & skf21("7","5","5","4","7","3","6","1") = "6"
    & skf21("7","5","5","4","7","3","7","1") = "6"
    & skf21("7","5","5","4","7","4","1","1") = "6"
    & skf21("7","5","5","4","7","4","2","1") = "6"
    & skf21("7","5","5","4","7","4","3","1") = "6"
    & skf21("7","5","5","4","7","4","4","1") = "6"
    & skf21("7","5","5","4","7","4","5","1") = "6"
    & skf21("7","5","5","4","7","4","6","1") = "6"
    & skf21("7","5","5","4","7","4","7","1") = "6"
    & skf21("7","5","5","4","7","5","1","1") = "6"
    & skf21("7","5","5","4","7","5","2","1") = "6"
    & skf21("7","5","5","4","7","5","3","1") = "6"
    & skf21("7","5","5","4","7","5","4","1") = "6"
    & skf21("7","5","5","4","7","5","5","1") = "6"
    & skf21("7","5","5","4","7","5","6","1") = "6"
    & skf21("7","5","5","4","7","5","7","1") = "6"
    & skf21("7","5","5","4","7","6","1","1") = "6"
    & skf21("7","5","5","4","7","6","2","1") = "6"
    & skf21("7","5","5","4","7","6","3","1") = "6"
    & skf21("7","5","5","4","7","6","4","1") = "6"
    & skf21("7","5","5","4","7","6","5","1") = "6"
    & skf21("7","5","5","4","7","6","6","1") = "6"
    & skf21("7","5","5","4","7","6","7","1") = "6"
    & skf21("7","5","5","4","7","7","1","1") = "6"
    & skf21("7","5","5","4","7","7","2","1") = "6"
    & skf21("7","5","5","4","7","7","3","1") = "6"
    & skf21("7","5","5","4","7","7","4","1") = "6"
    & skf21("7","5","5","4","7","7","5","1") = "6"
    & skf21("7","5","5","4","7","7","6","1") = "6"
    & skf21("7","5","5","4","7","7","7","1") = "6"
    & skf21("7","5","5","5","1","1","1","1") = "6"
    & skf21("7","5","5","5","1","1","2","1") = "6"
    & skf21("7","5","5","5","1","1","3","1") = "6"
    & skf21("7","5","5","5","1","1","4","1") = "6"
    & skf21("7","5","5","5","1","1","5","1") = "6"
    & skf21("7","5","5","5","1","1","6","1") = "6"
    & skf21("7","5","5","5","1","1","7","1") = "6"
    & skf21("7","5","5","5","1","2","1","1") = "6"
    & skf21("7","5","5","5","1","2","2","1") = "6"
    & skf21("7","5","5","5","1","2","3","1") = "6"
    & skf21("7","5","5","5","1","2","4","1") = "6"
    & skf21("7","5","5","5","1","2","5","1") = "6"
    & skf21("7","5","5","5","1","2","6","1") = "6"
    & skf21("7","5","5","5","1","2","7","1") = "6"
    & skf21("7","5","5","5","1","3","1","1") = "6"
    & skf21("7","5","5","5","1","3","2","1") = "6"
    & skf21("7","5","5","5","1","3","3","1") = "6"
    & skf21("7","5","5","5","1","3","4","1") = "6"
    & skf21("7","5","5","5","1","3","5","1") = "6"
    & skf21("7","5","5","5","1","3","6","1") = "6"
    & skf21("7","5","5","5","1","3","7","1") = "6"
    & skf21("7","5","5","5","1","4","1","1") = "6"
    & skf21("7","5","5","5","1","4","2","1") = "6"
    & skf21("7","5","5","5","1","4","3","1") = "6"
    & skf21("7","5","5","5","1","4","4","1") = "6"
    & skf21("7","5","5","5","1","4","5","1") = "6"
    & skf21("7","5","5","5","1","4","6","1") = "6"
    & skf21("7","5","5","5","1","4","7","1") = "6"
    & skf21("7","5","5","5","1","5","1","1") = "6"
    & skf21("7","5","5","5","1","5","2","1") = "6"
    & skf21("7","5","5","5","1","5","3","1") = "6"
    & skf21("7","5","5","5","1","5","4","1") = "6"
    & skf21("7","5","5","5","1","5","5","1") = "6"
    & skf21("7","5","5","5","1","5","6","1") = "6"
    & skf21("7","5","5","5","1","5","7","1") = "6"
    & skf21("7","5","5","5","1","6","1","1") = "6"
    & skf21("7","5","5","5","1","6","2","1") = "6"
    & skf21("7","5","5","5","1","6","3","1") = "6"
    & skf21("7","5","5","5","1","6","4","1") = "6"
    & skf21("7","5","5","5","1","6","5","1") = "6"
    & skf21("7","5","5","5","1","6","6","1") = "6"
    & skf21("7","5","5","5","1","6","7","1") = "6"
    & skf21("7","5","5","5","1","7","1","1") = "6"
    & skf21("7","5","5","5","1","7","2","1") = "6"
    & skf21("7","5","5","5","1","7","3","1") = "6"
    & skf21("7","5","5","5","1","7","4","1") = "6"
    & skf21("7","5","5","5","1","7","5","1") = "6"
    & skf21("7","5","5","5","1","7","6","1") = "6"
    & skf21("7","5","5","5","1","7","7","1") = "6"
    & skf21("7","5","5","5","2","1","1","1") = "6"
    & skf21("7","5","5","5","2","1","2","1") = "6"
    & skf21("7","5","5","5","2","1","3","1") = "6"
    & skf21("7","5","5","5","2","1","4","1") = "6"
    & skf21("7","5","5","5","2","1","5","1") = "6"
    & skf21("7","5","5","5","2","1","6","1") = "6"
    & skf21("7","5","5","5","2","1","7","1") = "6"
    & skf21("7","5","5","5","2","2","1","1") = "6"
    & skf21("7","5","5","5","2","2","2","1") = "6"
    & skf21("7","5","5","5","2","2","3","1") = "6"
    & skf21("7","5","5","5","2","2","4","1") = "6"
    & skf21("7","5","5","5","2","2","5","1") = "6"
    & skf21("7","5","5","5","2","2","6","1") = "6"
    & skf21("7","5","5","5","2","2","7","1") = "6"
    & skf21("7","5","5","5","2","3","1","1") = "6"
    & skf21("7","5","5","5","2","3","2","1") = "6"
    & skf21("7","5","5","5","2","3","3","1") = "6"
    & skf21("7","5","5","5","2","3","4","1") = "6"
    & skf21("7","5","5","5","2","3","5","1") = "6"
    & skf21("7","5","5","5","2","3","6","1") = "6"
    & skf21("7","5","5","5","2","3","7","1") = "6"
    & skf21("7","5","5","5","2","4","1","1") = "6"
    & skf21("7","5","5","5","2","4","2","1") = "6"
    & skf21("7","5","5","5","2","4","3","1") = "6"
    & skf21("7","5","5","5","2","4","4","1") = "6"
    & skf21("7","5","5","5","2","4","5","1") = "6"
    & skf21("7","5","5","5","2","4","6","1") = "6"
    & skf21("7","5","5","5","2","4","7","1") = "6"
    & skf21("7","5","5","5","2","5","1","1") = "6"
    & skf21("7","5","5","5","2","5","2","1") = "6"
    & skf21("7","5","5","5","2","5","3","1") = "6"
    & skf21("7","5","5","5","2","5","4","1") = "6"
    & skf21("7","5","5","5","2","5","5","1") = "6"
    & skf21("7","5","5","5","2","5","6","1") = "6"
    & skf21("7","5","5","5","2","5","7","1") = "6"
    & skf21("7","5","5","5","2","6","1","1") = "6"
    & skf21("7","5","5","5","2","6","2","1") = "6"
    & skf21("7","5","5","5","2","6","3","1") = "6"
    & skf21("7","5","5","5","2","6","4","1") = "6"
    & skf21("7","5","5","5","2","6","5","1") = "6"
    & skf21("7","5","5","5","2","6","6","1") = "6"
    & skf21("7","5","5","5","2","6","7","1") = "6"
    & skf21("7","5","5","5","2","7","1","1") = "6"
    & skf21("7","5","5","5","2","7","2","1") = "6"
    & skf21("7","5","5","5","2","7","3","1") = "6"
    & skf21("7","5","5","5","2","7","4","1") = "6"
    & skf21("7","5","5","5","2","7","5","1") = "6"
    & skf21("7","5","5","5","2","7","6","1") = "6"
    & skf21("7","5","5","5","2","7","7","1") = "6"
    & skf21("7","5","5","5","3","1","1","1") = "6"
    & skf21("7","5","5","5","3","1","2","1") = "6"
    & skf21("7","5","5","5","3","1","3","1") = "6"
    & skf21("7","5","5","5","3","1","4","1") = "6"
    & skf21("7","5","5","5","3","1","5","1") = "6"
    & skf21("7","5","5","5","3","1","6","1") = "6"
    & skf21("7","5","5","5","3","1","7","1") = "6"
    & skf21("7","5","5","5","3","2","1","1") = "6"
    & skf21("7","5","5","5","3","2","2","1") = "6"
    & skf21("7","5","5","5","3","2","3","1") = "6"
    & skf21("7","5","5","5","3","2","4","1") = "6"
    & skf21("7","5","5","5","3","2","5","1") = "6"
    & skf21("7","5","5","5","3","2","6","1") = "6"
    & skf21("7","5","5","5","3","2","7","1") = "6"
    & skf21("7","5","5","5","3","3","1","1") = "6"
    & skf21("7","5","5","5","3","3","2","1") = "6"
    & skf21("7","5","5","5","3","3","3","1") = "6"
    & skf21("7","5","5","5","3","3","4","1") = "6"
    & skf21("7","5","5","5","3","3","5","1") = "6"
    & skf21("7","5","5","5","3","3","6","1") = "6"
    & skf21("7","5","5","5","3","3","7","1") = "6"
    & skf21("7","5","5","5","3","4","1","1") = "6"
    & skf21("7","5","5","5","3","4","2","1") = "6"
    & skf21("7","5","5","5","3","4","3","1") = "6"
    & skf21("7","5","5","5","3","4","4","1") = "6"
    & skf21("7","5","5","5","3","4","5","1") = "6"
    & skf21("7","5","5","5","3","4","6","1") = "6"
    & skf21("7","5","5","5","3","4","7","1") = "6"
    & skf21("7","5","5","5","3","5","1","1") = "6"
    & skf21("7","5","5","5","3","5","2","1") = "6"
    & skf21("7","5","5","5","3","5","3","1") = "6"
    & skf21("7","5","5","5","3","5","4","1") = "6"
    & skf21("7","5","5","5","3","5","5","1") = "6"
    & skf21("7","5","5","5","3","5","6","1") = "6"
    & skf21("7","5","5","5","3","5","7","1") = "6"
    & skf21("7","5","5","5","3","6","1","1") = "6"
    & skf21("7","5","5","5","3","6","2","1") = "6"
    & skf21("7","5","5","5","3","6","3","1") = "6"
    & skf21("7","5","5","5","3","6","4","1") = "6"
    & skf21("7","5","5","5","3","6","5","1") = "6"
    & skf21("7","5","5","5","3","6","6","1") = "6"
    & skf21("7","5","5","5","3","6","7","1") = "6"
    & skf21("7","5","5","5","3","7","1","1") = "6"
    & skf21("7","5","5","5","3","7","2","1") = "6"
    & skf21("7","5","5","5","3","7","3","1") = "6"
    & skf21("7","5","5","5","3","7","4","1") = "6"
    & skf21("7","5","5","5","3","7","5","1") = "6"
    & skf21("7","5","5","5","3","7","6","1") = "6"
    & skf21("7","5","5","5","3","7","7","1") = "6"
    & skf21("7","5","5","5","4","1","1","1") = "6"
    & skf21("7","5","5","5","4","1","2","1") = "6"
    & skf21("7","5","5","5","4","1","3","1") = "6"
    & skf21("7","5","5","5","4","1","4","1") = "6"
    & skf21("7","5","5","5","4","1","5","1") = "6"
    & skf21("7","5","5","5","4","1","6","1") = "6"
    & skf21("7","5","5","5","4","1","7","1") = "6"
    & skf21("7","5","5","5","4","2","1","1") = "6"
    & skf21("7","5","5","5","4","2","2","1") = "6"
    & skf21("7","5","5","5","4","2","3","1") = "6"
    & skf21("7","5","5","5","4","2","4","1") = "6"
    & skf21("7","5","5","5","4","2","5","1") = "6"
    & skf21("7","5","5","5","4","2","6","1") = "6"
    & skf21("7","5","5","5","4","2","7","1") = "6"
    & skf21("7","5","5","5","4","3","1","1") = "6"
    & skf21("7","5","5","5","4","3","2","1") = "6"
    & skf21("7","5","5","5","4","3","3","1") = "6"
    & skf21("7","5","5","5","4","3","4","1") = "6"
    & skf21("7","5","5","5","4","3","5","1") = "6"
    & skf21("7","5","5","5","4","3","6","1") = "6"
    & skf21("7","5","5","5","4","3","7","1") = "6"
    & skf21("7","5","5","5","4","4","1","1") = "6"
    & skf21("7","5","5","5","4","4","2","1") = "6"
    & skf21("7","5","5","5","4","4","3","1") = "6"
    & skf21("7","5","5","5","4","4","4","1") = "6"
    & skf21("7","5","5","5","4","4","5","1") = "6"
    & skf21("7","5","5","5","4","4","6","1") = "6"
    & skf21("7","5","5","5","4","4","7","1") = "6"
    & skf21("7","5","5","5","4","5","1","1") = "6"
    & skf21("7","5","5","5","4","5","2","1") = "6"
    & skf21("7","5","5","5","4","5","3","1") = "6"
    & skf21("7","5","5","5","4","5","4","1") = "6"
    & skf21("7","5","5","5","4","5","5","1") = "6"
    & skf21("7","5","5","5","4","5","6","1") = "6"
    & skf21("7","5","5","5","4","5","7","1") = "6"
    & skf21("7","5","5","5","4","6","1","1") = "6"
    & skf21("7","5","5","5","4","6","2","1") = "6"
    & skf21("7","5","5","5","4","6","3","1") = "6"
    & skf21("7","5","5","5","4","6","4","1") = "6"
    & skf21("7","5","5","5","4","6","5","1") = "6"
    & skf21("7","5","5","5","4","6","6","1") = "6"
    & skf21("7","5","5","5","4","6","7","1") = "6"
    & skf21("7","5","5","5","4","7","1","1") = "6"
    & skf21("7","5","5","5","4","7","2","1") = "6"
    & skf21("7","5","5","5","4","7","3","1") = "6"
    & skf21("7","5","5","5","4","7","4","1") = "6"
    & skf21("7","5","5","5","4","7","5","1") = "6"
    & skf21("7","5","5","5","4","7","6","1") = "6"
    & skf21("7","5","5","5","4","7","7","1") = "6"
    & skf21("7","5","5","5","5","1","1","1") = "6"
    & skf21("7","5","5","5","5","1","2","1") = "6"
    & skf21("7","5","5","5","5","1","3","1") = "6"
    & skf21("7","5","5","5","5","1","4","1") = "6"
    & skf21("7","5","5","5","5","1","5","1") = "6"
    & skf21("7","5","5","5","5","1","6","1") = "6"
    & skf21("7","5","5","5","5","1","7","1") = "6"
    & skf21("7","5","5","5","5","2","1","1") = "6"
    & skf21("7","5","5","5","5","2","2","1") = "6"
    & skf21("7","5","5","5","5","2","3","1") = "6"
    & skf21("7","5","5","5","5","2","4","1") = "6"
    & skf21("7","5","5","5","5","2","5","1") = "6"
    & skf21("7","5","5","5","5","2","6","1") = "6"
    & skf21("7","5","5","5","5","2","7","1") = "6"
    & skf21("7","5","5","5","5","3","1","1") = "6"
    & skf21("7","5","5","5","5","3","2","1") = "6"
    & skf21("7","5","5","5","5","3","3","1") = "6"
    & skf21("7","5","5","5","5","3","4","1") = "6"
    & skf21("7","5","5","5","5","3","5","1") = "6"
    & skf21("7","5","5","5","5","3","6","1") = "6"
    & skf21("7","5","5","5","5","3","7","1") = "6"
    & skf21("7","5","5","5","5","4","1","1") = "6"
    & skf21("7","5","5","5","5","4","2","1") = "6"
    & skf21("7","5","5","5","5","4","3","1") = "6"
    & skf21("7","5","5","5","5","4","4","1") = "6"
    & skf21("7","5","5","5","5","4","5","1") = "6"
    & skf21("7","5","5","5","5","4","6","1") = "6"
    & skf21("7","5","5","5","5","4","7","1") = "6"
    & skf21("7","5","5","5","5","5","1","1") = "6"
    & skf21("7","5","5","5","5","5","2","1") = "6"
    & skf21("7","5","5","5","5","5","3","1") = "6"
    & skf21("7","5","5","5","5","5","4","1") = "6"
    & skf21("7","5","5","5","5","5","5","1") = "6"
    & skf21("7","5","5","5","5","5","6","1") = "6"
    & skf21("7","5","5","5","5","5","7","1") = "6"
    & skf21("7","5","5","5","5","6","1","1") = "6"
    & skf21("7","5","5","5","5","6","2","1") = "6"
    & skf21("7","5","5","5","5","6","3","1") = "6"
    & skf21("7","5","5","5","5","6","4","1") = "6"
    & skf21("7","5","5","5","5","6","5","1") = "6"
    & skf21("7","5","5","5","5","6","6","1") = "6"
    & skf21("7","5","5","5","5","6","7","1") = "6"
    & skf21("7","5","5","5","5","7","1","1") = "6"
    & skf21("7","5","5","5","5","7","2","1") = "6"
    & skf21("7","5","5","5","5","7","3","1") = "6"
    & skf21("7","5","5","5","5","7","4","1") = "6"
    & skf21("7","5","5","5","5","7","5","1") = "6"
    & skf21("7","5","5","5","5","7","6","1") = "6"
    & skf21("7","5","5","5","5","7","7","1") = "6"
    & skf21("7","5","5","5","6","1","1","1") = "6"
    & skf21("7","5","5","5","6","1","2","1") = "6"
    & skf21("7","5","5","5","6","1","3","1") = "6"
    & skf21("7","5","5","5","6","1","4","1") = "6"
    & skf21("7","5","5","5","6","1","5","1") = "6"
    & skf21("7","5","5","5","6","1","6","1") = "6"
    & skf21("7","5","5","5","6","1","7","1") = "6"
    & skf21("7","5","5","5","6","2","1","1") = "6"
    & skf21("7","5","5","5","6","2","2","1") = "6"
    & skf21("7","5","5","5","6","2","3","1") = "6"
    & skf21("7","5","5","5","6","2","4","1") = "6"
    & skf21("7","5","5","5","6","2","5","1") = "6"
    & skf21("7","5","5","5","6","2","6","1") = "6"
    & skf21("7","5","5","5","6","2","7","1") = "6"
    & skf21("7","5","5","5","6","3","1","1") = "6"
    & skf21("7","5","5","5","6","3","2","1") = "6"
    & skf21("7","5","5","5","6","3","3","1") = "6"
    & skf21("7","5","5","5","6","3","4","1") = "6"
    & skf21("7","5","5","5","6","3","5","1") = "6"
    & skf21("7","5","5","5","6","3","6","1") = "6"
    & skf21("7","5","5","5","6","3","7","1") = "6"
    & skf21("7","5","5","5","6","4","1","1") = "6"
    & skf21("7","5","5","5","6","4","2","1") = "6"
    & skf21("7","5","5","5","6","4","3","1") = "6"
    & skf21("7","5","5","5","6","4","4","1") = "6"
    & skf21("7","5","5","5","6","4","5","1") = "6"
    & skf21("7","5","5","5","6","4","6","1") = "6"
    & skf21("7","5","5","5","6","4","7","1") = "6"
    & skf21("7","5","5","5","6","5","1","1") = "6"
    & skf21("7","5","5","5","6","5","2","1") = "6"
    & skf21("7","5","5","5","6","5","3","1") = "6"
    & skf21("7","5","5","5","6","5","4","1") = "6"
    & skf21("7","5","5","5","6","5","5","1") = "6"
    & skf21("7","5","5","5","6","5","6","1") = "6"
    & skf21("7","5","5","5","6","5","7","1") = "6"
    & skf21("7","5","5","5","6","6","1","1") = "6"
    & skf21("7","5","5","5","6","6","2","1") = "6"
    & skf21("7","5","5","5","6","6","3","1") = "6"
    & skf21("7","5","5","5","6","6","4","1") = "6"
    & skf21("7","5","5","5","6","6","5","1") = "6"
    & skf21("7","5","5","5","6","6","6","1") = "6"
    & skf21("7","5","5","5","6","6","7","1") = "6"
    & skf21("7","5","5","5","6","7","1","1") = "6"
    & skf21("7","5","5","5","6","7","2","1") = "6"
    & skf21("7","5","5","5","6","7","3","1") = "6"
    & skf21("7","5","5","5","6","7","4","1") = "6"
    & skf21("7","5","5","5","6","7","5","1") = "6"
    & skf21("7","5","5","5","6","7","6","1") = "6"
    & skf21("7","5","5","5","6","7","7","1") = "6"
    & skf21("7","5","5","5","7","1","1","1") = "6"
    & skf21("7","5","5","5","7","1","2","1") = "6"
    & skf21("7","5","5","5","7","1","3","1") = "6"
    & skf21("7","5","5","5","7","1","4","1") = "6"
    & skf21("7","5","5","5","7","1","5","1") = "6"
    & skf21("7","5","5","5","7","1","6","1") = "6"
    & skf21("7","5","5","5","7","1","7","1") = "6"
    & skf21("7","5","5","5","7","2","1","1") = "6"
    & skf21("7","5","5","5","7","2","2","1") = "6"
    & skf21("7","5","5","5","7","2","3","1") = "6"
    & skf21("7","5","5","5","7","2","4","1") = "6"
    & skf21("7","5","5","5","7","2","5","1") = "6"
    & skf21("7","5","5","5","7","2","6","1") = "6"
    & skf21("7","5","5","5","7","2","7","1") = "6"
    & skf21("7","5","5","5","7","3","1","1") = "6"
    & skf21("7","5","5","5","7","3","2","1") = "6"
    & skf21("7","5","5","5","7","3","3","1") = "6"
    & skf21("7","5","5","5","7","3","4","1") = "6"
    & skf21("7","5","5","5","7","3","5","1") = "6"
    & skf21("7","5","5","5","7","3","6","1") = "6"
    & skf21("7","5","5","5","7","3","7","1") = "6"
    & skf21("7","5","5","5","7","4","1","1") = "6"
    & skf21("7","5","5","5","7","4","2","1") = "6"
    & skf21("7","5","5","5","7","4","3","1") = "6"
    & skf21("7","5","5","5","7","4","4","1") = "6"
    & skf21("7","5","5","5","7","4","5","1") = "6"
    & skf21("7","5","5","5","7","4","6","1") = "6"
    & skf21("7","5","5","5","7","4","7","1") = "6"
    & skf21("7","5","5","5","7","5","1","1") = "6"
    & skf21("7","5","5","5","7","5","2","1") = "6"
    & skf21("7","5","5","5","7","5","3","1") = "6"
    & skf21("7","5","5","5","7","5","4","1") = "6"
    & skf21("7","5","5","5","7","5","5","1") = "6"
    & skf21("7","5","5","5","7","5","6","1") = "6"
    & skf21("7","5","5","5","7","5","7","1") = "6"
    & skf21("7","5","5","5","7","6","1","1") = "6"
    & skf21("7","5","5","5","7","6","2","1") = "6"
    & skf21("7","5","5","5","7","6","3","1") = "6"
    & skf21("7","5","5","5","7","6","4","1") = "6"
    & skf21("7","5","5","5","7","6","5","1") = "6"
    & skf21("7","5","5","5","7","6","6","1") = "6"
    & skf21("7","5","5","5","7","6","7","1") = "6"
    & skf21("7","5","5","5","7","7","1","1") = "6"
    & skf21("7","5","5","5","7","7","2","1") = "6"
    & skf21("7","5","5","5","7","7","3","1") = "6"
    & skf21("7","5","5","5","7","7","4","1") = "6"
    & skf21("7","5","5","5","7","7","5","1") = "6"
    & skf21("7","5","5","5","7","7","6","1") = "6"
    & skf21("7","5","5","5","7","7","7","1") = "6"
    & skf21("7","5","5","6","1","1","1","1") = "6"
    & skf21("7","5","5","6","1","1","2","1") = "6"
    & skf21("7","5","5","6","1","1","3","1") = "6"
    & skf21("7","5","5","6","1","1","4","1") = "6"
    & skf21("7","5","5","6","1","1","5","1") = "6"
    & skf21("7","5","5","6","1","1","6","1") = "6"
    & skf21("7","5","5","6","1","1","7","1") = "6"
    & skf21("7","5","5","6","1","2","1","1") = "6"
    & skf21("7","5","5","6","1","2","2","1") = "6"
    & skf21("7","5","5","6","1","2","3","1") = "6"
    & skf21("7","5","5","6","1","2","4","1") = "6"
    & skf21("7","5","5","6","1","2","5","1") = "6"
    & skf21("7","5","5","6","1","2","6","1") = "6"
    & skf21("7","5","5","6","1","2","7","1") = "6"
    & skf21("7","5","5","6","1","3","1","1") = "6"
    & skf21("7","5","5","6","1","3","2","1") = "6"
    & skf21("7","5","5","6","1","3","3","1") = "6"
    & skf21("7","5","5","6","1","3","4","1") = "6"
    & skf21("7","5","5","6","1","3","5","1") = "6"
    & skf21("7","5","5","6","1","3","6","1") = "6"
    & skf21("7","5","5","6","1","3","7","1") = "6"
    & skf21("7","5","5","6","1","4","1","1") = "6"
    & skf21("7","5","5","6","1","4","2","1") = "6"
    & skf21("7","5","5","6","1","4","3","1") = "6"
    & skf21("7","5","5","6","1","4","4","1") = "6"
    & skf21("7","5","5","6","1","4","5","1") = "6"
    & skf21("7","5","5","6","1","4","6","1") = "6"
    & skf21("7","5","5","6","1","4","7","1") = "6"
    & skf21("7","5","5","6","1","5","1","1") = "6"
    & skf21("7","5","5","6","1","5","2","1") = "6"
    & skf21("7","5","5","6","1","5","3","1") = "6"
    & skf21("7","5","5","6","1","5","4","1") = "6"
    & skf21("7","5","5","6","1","5","5","1") = "6"
    & skf21("7","5","5","6","1","5","6","1") = "6"
    & skf21("7","5","5","6","1","5","7","1") = "6"
    & skf21("7","5","5","6","1","6","1","1") = "6"
    & skf21("7","5","5","6","1","6","2","1") = "6"
    & skf21("7","5","5","6","1","6","3","1") = "6"
    & skf21("7","5","5","6","1","6","4","1") = "6"
    & skf21("7","5","5","6","1","6","5","1") = "6"
    & skf21("7","5","5","6","1","6","6","1") = "6"
    & skf21("7","5","5","6","1","6","7","1") = "6"
    & skf21("7","5","5","6","1","7","1","1") = "6"
    & skf21("7","5","5","6","1","7","2","1") = "6"
    & skf21("7","5","5","6","1","7","3","1") = "6"
    & skf21("7","5","5","6","1","7","4","1") = "6"
    & skf21("7","5","5","6","1","7","5","1") = "6"
    & skf21("7","5","5","6","1","7","6","1") = "6"
    & skf21("7","5","5","6","1","7","7","1") = "6"
    & skf21("7","5","5","6","2","1","1","1") = "6"
    & skf21("7","5","5","6","2","1","2","1") = "6"
    & skf21("7","5","5","6","2","1","3","1") = "6"
    & skf21("7","5","5","6","2","1","4","1") = "6"
    & skf21("7","5","5","6","2","1","5","1") = "6"
    & skf21("7","5","5","6","2","1","6","1") = "6"
    & skf21("7","5","5","6","2","1","7","1") = "6"
    & skf21("7","5","5","6","2","2","1","1") = "6"
    & skf21("7","5","5","6","2","2","2","1") = "6"
    & skf21("7","5","5","6","2","2","3","1") = "6"
    & skf21("7","5","5","6","2","2","4","1") = "6"
    & skf21("7","5","5","6","2","2","5","1") = "6"
    & skf21("7","5","5","6","2","2","6","1") = "6"
    & skf21("7","5","5","6","2","2","7","1") = "6"
    & skf21("7","5","5","6","2","3","1","1") = "6"
    & skf21("7","5","5","6","2","3","2","1") = "6"
    & skf21("7","5","5","6","2","3","3","1") = "6"
    & skf21("7","5","5","6","2","3","4","1") = "6"
    & skf21("7","5","5","6","2","3","5","1") = "6"
    & skf21("7","5","5","6","2","3","6","1") = "6"
    & skf21("7","5","5","6","2","3","7","1") = "6"
    & skf21("7","5","5","6","2","4","1","1") = "6"
    & skf21("7","5","5","6","2","4","2","1") = "6"
    & skf21("7","5","5","6","2","4","3","1") = "6"
    & skf21("7","5","5","6","2","4","4","1") = "6"
    & skf21("7","5","5","6","2","4","5","1") = "6"
    & skf21("7","5","5","6","2","4","6","1") = "6"
    & skf21("7","5","5","6","2","4","7","1") = "6"
    & skf21("7","5","5","6","2","5","1","1") = "6"
    & skf21("7","5","5","6","2","5","2","1") = "6"
    & skf21("7","5","5","6","2","5","3","1") = "6"
    & skf21("7","5","5","6","2","5","4","1") = "6"
    & skf21("7","5","5","6","2","5","5","1") = "6"
    & skf21("7","5","5","6","2","5","6","1") = "6"
    & skf21("7","5","5","6","2","5","7","1") = "6"
    & skf21("7","5","5","6","2","6","1","1") = "6"
    & skf21("7","5","5","6","2","6","2","1") = "6"
    & skf21("7","5","5","6","2","6","3","1") = "6"
    & skf21("7","5","5","6","2","6","4","1") = "6"
    & skf21("7","5","5","6","2","6","5","1") = "6"
    & skf21("7","5","5","6","2","6","6","1") = "6"
    & skf21("7","5","5","6","2","6","7","1") = "6"
    & skf21("7","5","5","6","2","7","1","1") = "6"
    & skf21("7","5","5","6","2","7","2","1") = "6"
    & skf21("7","5","5","6","2","7","3","1") = "6"
    & skf21("7","5","5","6","2","7","4","1") = "6"
    & skf21("7","5","5","6","2","7","5","1") = "6"
    & skf21("7","5","5","6","2","7","6","1") = "6"
    & skf21("7","5","5","6","2","7","7","1") = "6"
    & skf21("7","5","5","6","3","1","1","1") = "6"
    & skf21("7","5","5","6","3","1","2","1") = "6"
    & skf21("7","5","5","6","3","1","3","1") = "6"
    & skf21("7","5","5","6","3","1","4","1") = "6"
    & skf21("7","5","5","6","3","1","5","1") = "6"
    & skf21("7","5","5","6","3","1","6","1") = "6"
    & skf21("7","5","5","6","3","1","7","1") = "6"
    & skf21("7","5","5","6","3","2","1","1") = "6"
    & skf21("7","5","5","6","3","2","2","1") = "6"
    & skf21("7","5","5","6","3","2","3","1") = "6"
    & skf21("7","5","5","6","3","2","4","1") = "6"
    & skf21("7","5","5","6","3","2","5","1") = "6"
    & skf21("7","5","5","6","3","2","6","1") = "6"
    & skf21("7","5","5","6","3","2","7","1") = "6"
    & skf21("7","5","5","6","3","3","1","1") = "6"
    & skf21("7","5","5","6","3","3","2","1") = "6"
    & skf21("7","5","5","6","3","3","3","1") = "6"
    & skf21("7","5","5","6","3","3","4","1") = "6"
    & skf21("7","5","5","6","3","3","5","1") = "6"
    & skf21("7","5","5","6","3","3","6","1") = "6"
    & skf21("7","5","5","6","3","3","7","1") = "6"
    & skf21("7","5","5","6","3","4","1","1") = "6"
    & skf21("7","5","5","6","3","4","2","1") = "6"
    & skf21("7","5","5","6","3","4","3","1") = "6"
    & skf21("7","5","5","6","3","4","4","1") = "6"
    & skf21("7","5","5","6","3","4","5","1") = "6"
    & skf21("7","5","5","6","3","4","6","1") = "6"
    & skf21("7","5","5","6","3","4","7","1") = "6"
    & skf21("7","5","5","6","3","5","1","1") = "6"
    & skf21("7","5","5","6","3","5","2","1") = "6"
    & skf21("7","5","5","6","3","5","3","1") = "6"
    & skf21("7","5","5","6","3","5","4","1") = "6"
    & skf21("7","5","5","6","3","5","5","1") = "6"
    & skf21("7","5","5","6","3","5","6","1") = "6"
    & skf21("7","5","5","6","3","5","7","1") = "6"
    & skf21("7","5","5","6","3","6","1","1") = "6"
    & skf21("7","5","5","6","3","6","2","1") = "6"
    & skf21("7","5","5","6","3","6","3","1") = "6"
    & skf21("7","5","5","6","3","6","4","1") = "6"
    & skf21("7","5","5","6","3","6","5","1") = "6"
    & skf21("7","5","5","6","3","6","6","1") = "6"
    & skf21("7","5","5","6","3","6","7","1") = "6"
    & skf21("7","5","5","6","3","7","1","1") = "6"
    & skf21("7","5","5","6","3","7","2","1") = "6"
    & skf21("7","5","5","6","3","7","3","1") = "6"
    & skf21("7","5","5","6","3","7","4","1") = "6"
    & skf21("7","5","5","6","3","7","5","1") = "6"
    & skf21("7","5","5","6","3","7","6","1") = "6"
    & skf21("7","5","5","6","3","7","7","1") = "6"
    & skf21("7","5","5","6","4","1","1","1") = "6"
    & skf21("7","5","5","6","4","1","2","1") = "6"
    & skf21("7","5","5","6","4","1","3","1") = "6"
    & skf21("7","5","5","6","4","1","4","1") = "6"
    & skf21("7","5","5","6","4","1","5","1") = "6"
    & skf21("7","5","5","6","4","1","6","1") = "6"
    & skf21("7","5","5","6","4","1","7","1") = "6"
    & skf21("7","5","5","6","4","2","1","1") = "6"
    & skf21("7","5","5","6","4","2","2","1") = "6"
    & skf21("7","5","5","6","4","2","3","1") = "6"
    & skf21("7","5","5","6","4","2","4","1") = "6"
    & skf21("7","5","5","6","4","2","5","1") = "6"
    & skf21("7","5","5","6","4","2","6","1") = "6"
    & skf21("7","5","5","6","4","2","7","1") = "6"
    & skf21("7","5","5","6","4","3","1","1") = "6"
    & skf21("7","5","5","6","4","3","2","1") = "6"
    & skf21("7","5","5","6","4","3","3","1") = "6"
    & skf21("7","5","5","6","4","3","4","1") = "6"
    & skf21("7","5","5","6","4","3","5","1") = "6"
    & skf21("7","5","5","6","4","3","6","1") = "6"
    & skf21("7","5","5","6","4","3","7","1") = "6"
    & skf21("7","5","5","6","4","4","1","1") = "6"
    & skf21("7","5","5","6","4","4","2","1") = "6"
    & skf21("7","5","5","6","4","4","3","1") = "6"
    & skf21("7","5","5","6","4","4","4","1") = "6"
    & skf21("7","5","5","6","4","4","5","1") = "6"
    & skf21("7","5","5","6","4","4","6","1") = "6"
    & skf21("7","5","5","6","4","4","7","1") = "6"
    & skf21("7","5","5","6","4","5","1","1") = "6"
    & skf21("7","5","5","6","4","5","2","1") = "6"
    & skf21("7","5","5","6","4","5","3","1") = "6"
    & skf21("7","5","5","6","4","5","4","1") = "6"
    & skf21("7","5","5","6","4","5","5","1") = "6"
    & skf21("7","5","5","6","4","5","6","1") = "6"
    & skf21("7","5","5","6","4","5","7","1") = "6"
    & skf21("7","5","5","6","4","6","1","1") = "6"
    & skf21("7","5","5","6","4","6","2","1") = "6"
    & skf21("7","5","5","6","4","6","3","1") = "6"
    & skf21("7","5","5","6","4","6","4","1") = "6"
    & skf21("7","5","5","6","4","6","5","1") = "6"
    & skf21("7","5","5","6","4","6","6","1") = "6"
    & skf21("7","5","5","6","4","6","7","1") = "6"
    & skf21("7","5","5","6","4","7","1","1") = "6"
    & skf21("7","5","5","6","4","7","2","1") = "6"
    & skf21("7","5","5","6","4","7","3","1") = "6"
    & skf21("7","5","5","6","4","7","4","1") = "6"
    & skf21("7","5","5","6","4","7","5","1") = "6"
    & skf21("7","5","5","6","4","7","6","1") = "6"
    & skf21("7","5","5","6","4","7","7","1") = "6"
    & skf21("7","5","5","6","5","1","1","1") = "6"
    & skf21("7","5","5","6","5","1","2","1") = "6"
    & skf21("7","5","5","6","5","1","3","1") = "6"
    & skf21("7","5","5","6","5","1","4","1") = "6"
    & skf21("7","5","5","6","5","1","5","1") = "6"
    & skf21("7","5","5","6","5","1","6","1") = "6"
    & skf21("7","5","5","6","5","1","7","1") = "6"
    & skf21("7","5","5","6","5","2","1","1") = "6"
    & skf21("7","5","5","6","5","2","2","1") = "6"
    & skf21("7","5","5","6","5","2","3","1") = "6"
    & skf21("7","5","5","6","5","2","4","1") = "6"
    & skf21("7","5","5","6","5","2","5","1") = "6"
    & skf21("7","5","5","6","5","2","6","1") = "6"
    & skf21("7","5","5","6","5","2","7","1") = "6"
    & skf21("7","5","5","6","5","3","1","1") = "6"
    & skf21("7","5","5","6","5","3","2","1") = "6"
    & skf21("7","5","5","6","5","3","3","1") = "6"
    & skf21("7","5","5","6","5","3","4","1") = "6"
    & skf21("7","5","5","6","5","3","5","1") = "6"
    & skf21("7","5","5","6","5","3","6","1") = "6"
    & skf21("7","5","5","6","5","3","7","1") = "6"
    & skf21("7","5","5","6","5","4","1","1") = "6"
    & skf21("7","5","5","6","5","4","2","1") = "6"
    & skf21("7","5","5","6","5","4","3","1") = "6"
    & skf21("7","5","5","6","5","4","4","1") = "6"
    & skf21("7","5","5","6","5","4","5","1") = "6"
    & skf21("7","5","5","6","5","4","6","1") = "6"
    & skf21("7","5","5","6","5","4","7","1") = "6"
    & skf21("7","5","5","6","5","5","1","1") = "6"
    & skf21("7","5","5","6","5","5","2","1") = "6"
    & skf21("7","5","5","6","5","5","3","1") = "6"
    & skf21("7","5","5","6","5","5","4","1") = "6"
    & skf21("7","5","5","6","5","5","5","1") = "6"
    & skf21("7","5","5","6","5","5","6","1") = "6"
    & skf21("7","5","5","6","5","5","7","1") = "6"
    & skf21("7","5","5","6","5","6","1","1") = "6"
    & skf21("7","5","5","6","5","6","2","1") = "6"
    & skf21("7","5","5","6","5","6","3","1") = "6"
    & skf21("7","5","5","6","5","6","4","1") = "6"
    & skf21("7","5","5","6","5","6","5","1") = "6"
    & skf21("7","5","5","6","5","6","6","1") = "6"
    & skf21("7","5","5","6","5","6","7","1") = "6"
    & skf21("7","5","5","6","5","7","1","1") = "6"
    & skf21("7","5","5","6","5","7","2","1") = "6"
    & skf21("7","5","5","6","5","7","3","1") = "6"
    & skf21("7","5","5","6","5","7","4","1") = "6"
    & skf21("7","5","5","6","5","7","5","1") = "6"
    & skf21("7","5","5","6","5","7","6","1") = "6"
    & skf21("7","5","5","6","5","7","7","1") = "6"
    & skf21("7","5","5","6","6","1","1","1") = "6"
    & skf21("7","5","5","6","6","1","2","1") = "6"
    & skf21("7","5","5","6","6","1","3","1") = "6"
    & skf21("7","5","5","6","6","1","4","1") = "6"
    & skf21("7","5","5","6","6","1","5","1") = "6"
    & skf21("7","5","5","6","6","1","6","1") = "6"
    & skf21("7","5","5","6","6","1","7","1") = "6"
    & skf21("7","5","5","6","6","2","1","1") = "6"
    & skf21("7","5","5","6","6","2","2","1") = "6"
    & skf21("7","5","5","6","6","2","3","1") = "6"
    & skf21("7","5","5","6","6","2","4","1") = "6"
    & skf21("7","5","5","6","6","2","5","1") = "6"
    & skf21("7","5","5","6","6","2","6","1") = "6"
    & skf21("7","5","5","6","6","2","7","1") = "6"
    & skf21("7","5","5","6","6","3","1","1") = "6"
    & skf21("7","5","5","6","6","3","2","1") = "6"
    & skf21("7","5","5","6","6","3","3","1") = "6"
    & skf21("7","5","5","6","6","3","4","1") = "6"
    & skf21("7","5","5","6","6","3","5","1") = "6"
    & skf21("7","5","5","6","6","3","6","1") = "6"
    & skf21("7","5","5","6","6","3","7","1") = "6"
    & skf21("7","5","5","6","6","4","1","1") = "6"
    & skf21("7","5","5","6","6","4","2","1") = "6"
    & skf21("7","5","5","6","6","4","3","1") = "6"
    & skf21("7","5","5","6","6","4","4","1") = "6"
    & skf21("7","5","5","6","6","4","5","1") = "6"
    & skf21("7","5","5","6","6","4","6","1") = "6"
    & skf21("7","5","5","6","6","4","7","1") = "6"
    & skf21("7","5","5","6","6","5","1","1") = "6"
    & skf21("7","5","5","6","6","5","2","1") = "6"
    & skf21("7","5","5","6","6","5","3","1") = "6"
    & skf21("7","5","5","6","6","5","4","1") = "6"
    & skf21("7","5","5","6","6","5","5","1") = "6"
    & skf21("7","5","5","6","6","5","6","1") = "6"
    & skf21("7","5","5","6","6","5","7","1") = "6"
    & skf21("7","5","5","6","6","6","1","1") = "6"
    & skf21("7","5","5","6","6","6","2","1") = "6"
    & skf21("7","5","5","6","6","6","3","1") = "6"
    & skf21("7","5","5","6","6","6","4","1") = "6"
    & skf21("7","5","5","6","6","6","5","1") = "6"
    & skf21("7","5","5","6","6","6","6","1") = "6"
    & skf21("7","5","5","6","6","6","7","1") = "6"
    & skf21("7","5","5","6","6","7","1","1") = "6"
    & skf21("7","5","5","6","6","7","2","1") = "6"
    & skf21("7","5","5","6","6","7","3","1") = "6"
    & skf21("7","5","5","6","6","7","4","1") = "6"
    & skf21("7","5","5","6","6","7","5","1") = "6"
    & skf21("7","5","5","6","6","7","6","1") = "6"
    & skf21("7","5","5","6","6","7","7","1") = "6"
    & skf21("7","5","5","6","7","1","1","1") = "6"
    & skf21("7","5","5","6","7","1","2","1") = "6"
    & skf21("7","5","5","6","7","1","3","1") = "6"
    & skf21("7","5","5","6","7","1","4","1") = "6"
    & skf21("7","5","5","6","7","1","5","1") = "6"
    & skf21("7","5","5","6","7","1","6","1") = "6"
    & skf21("7","5","5","6","7","1","7","1") = "6"
    & skf21("7","5","5","6","7","2","1","1") = "6"
    & skf21("7","5","5","6","7","2","2","1") = "6"
    & skf21("7","5","5","6","7","2","3","1") = "6"
    & skf21("7","5","5","6","7","2","4","1") = "6"
    & skf21("7","5","5","6","7","2","5","1") = "6"
    & skf21("7","5","5","6","7","2","6","1") = "6"
    & skf21("7","5","5","6","7","2","7","1") = "6"
    & skf21("7","5","5","6","7","3","1","1") = "6"
    & skf21("7","5","5","6","7","3","2","1") = "6"
    & skf21("7","5","5","6","7","3","3","1") = "6"
    & skf21("7","5","5","6","7","3","4","1") = "6"
    & skf21("7","5","5","6","7","3","5","1") = "6"
    & skf21("7","5","5","6","7","3","6","1") = "6"
    & skf21("7","5","5","6","7","3","7","1") = "6"
    & skf21("7","5","5","6","7","4","1","1") = "6"
    & skf21("7","5","5","6","7","4","2","1") = "6"
    & skf21("7","5","5","6","7","4","3","1") = "6"
    & skf21("7","5","5","6","7","4","4","1") = "6"
    & skf21("7","5","5","6","7","4","5","1") = "6"
    & skf21("7","5","5","6","7","4","6","1") = "6"
    & skf21("7","5","5","6","7","4","7","1") = "6"
    & skf21("7","5","5","6","7","5","1","1") = "6"
    & skf21("7","5","5","6","7","5","2","1") = "6"
    & skf21("7","5","5","6","7","5","3","1") = "6"
    & skf21("7","5","5","6","7","5","4","1") = "6"
    & skf21("7","5","5","6","7","5","5","1") = "6"
    & skf21("7","5","5","6","7","5","6","1") = "6"
    & skf21("7","5","5","6","7","5","7","1") = "6"
    & skf21("7","5","5","6","7","6","1","1") = "6"
    & skf21("7","5","5","6","7","6","2","1") = "6"
    & skf21("7","5","5","6","7","6","3","1") = "6"
    & skf21("7","5","5","6","7","6","4","1") = "6"
    & skf21("7","5","5","6","7","6","5","1") = "6"
    & skf21("7","5","5","6","7","6","6","1") = "6"
    & skf21("7","5","5","6","7","6","7","1") = "6"
    & skf21("7","5","5","6","7","7","1","1") = "6"
    & skf21("7","5","5","6","7","7","2","1") = "6"
    & skf21("7","5","5","6","7","7","3","1") = "6"
    & skf21("7","5","5","6","7","7","4","1") = "6"
    & skf21("7","5","5","6","7","7","5","1") = "6"
    & skf21("7","5","5","6","7","7","6","1") = "6"
    & skf21("7","5","5","6","7","7","7","1") = "6"
    & skf21("7","5","5","7","1","1","1","1") = "6"
    & skf21("7","5","5","7","1","1","2","1") = "6"
    & skf21("7","5","5","7","1","1","3","1") = "6"
    & skf21("7","5","5","7","1","1","4","1") = "6"
    & skf21("7","5","5","7","1","1","5","1") = "6"
    & skf21("7","5","5","7","1","1","6","1") = "6"
    & skf21("7","5","5","7","1","1","7","1") = "6"
    & skf21("7","5","5","7","1","2","1","1") = "6"
    & skf21("7","5","5","7","1","2","2","1") = "6"
    & skf21("7","5","5","7","1","2","3","1") = "6"
    & skf21("7","5","5","7","1","2","4","1") = "6"
    & skf21("7","5","5","7","1","2","5","1") = "6"
    & skf21("7","5","5","7","1","2","6","1") = "6"
    & skf21("7","5","5","7","1","2","7","1") = "6"
    & skf21("7","5","5","7","1","3","1","1") = "6"
    & skf21("7","5","5","7","1","3","2","1") = "6"
    & skf21("7","5","5","7","1","3","3","1") = "6"
    & skf21("7","5","5","7","1","3","4","1") = "6"
    & skf21("7","5","5","7","1","3","5","1") = "6"
    & skf21("7","5","5","7","1","3","6","1") = "6"
    & skf21("7","5","5","7","1","3","7","1") = "6"
    & skf21("7","5","5","7","1","4","1","1") = "6"
    & skf21("7","5","5","7","1","4","2","1") = "6"
    & skf21("7","5","5","7","1","4","3","1") = "6"
    & skf21("7","5","5","7","1","4","4","1") = "6"
    & skf21("7","5","5","7","1","4","5","1") = "6"
    & skf21("7","5","5","7","1","4","6","1") = "6"
    & skf21("7","5","5","7","1","4","7","1") = "6"
    & skf21("7","5","5","7","1","5","1","1") = "6"
    & skf21("7","5","5","7","1","5","2","1") = "6"
    & skf21("7","5","5","7","1","5","3","1") = "6"
    & skf21("7","5","5","7","1","5","4","1") = "6"
    & skf21("7","5","5","7","1","5","5","1") = "6"
    & skf21("7","5","5","7","1","5","6","1") = "6"
    & skf21("7","5","5","7","1","5","7","1") = "6"
    & skf21("7","5","5","7","1","6","1","1") = "6"
    & skf21("7","5","5","7","1","6","2","1") = "6"
    & skf21("7","5","5","7","1","6","3","1") = "6"
    & skf21("7","5","5","7","1","6","4","1") = "6"
    & skf21("7","5","5","7","1","6","5","1") = "6"
    & skf21("7","5","5","7","1","6","6","1") = "6"
    & skf21("7","5","5","7","1","6","7","1") = "6"
    & skf21("7","5","5","7","1","7","1","1") = "6"
    & skf21("7","5","5","7","1","7","2","1") = "6"
    & skf21("7","5","5","7","1","7","3","1") = "6"
    & skf21("7","5","5","7","1","7","4","1") = "6"
    & skf21("7","5","5","7","1","7","5","1") = "6"
    & skf21("7","5","5","7","1","7","6","1") = "6"
    & skf21("7","5","5","7","1","7","7","1") = "6"
    & skf21("7","5","5","7","2","1","1","1") = "6"
    & skf21("7","5","5","7","2","1","2","1") = "6"
    & skf21("7","5","5","7","2","1","3","1") = "6"
    & skf21("7","5","5","7","2","1","4","1") = "6"
    & skf21("7","5","5","7","2","1","5","1") = "6"
    & skf21("7","5","5","7","2","1","6","1") = "6"
    & skf21("7","5","5","7","2","1","7","1") = "6"
    & skf21("7","5","5","7","2","2","1","1") = "6"
    & skf21("7","5","5","7","2","2","2","1") = "6"
    & skf21("7","5","5","7","2","2","3","1") = "6"
    & skf21("7","5","5","7","2","2","4","1") = "6"
    & skf21("7","5","5","7","2","2","5","1") = "6"
    & skf21("7","5","5","7","2","2","6","1") = "6"
    & skf21("7","5","5","7","2","2","7","1") = "6"
    & skf21("7","5","5","7","2","3","1","1") = "6"
    & skf21("7","5","5","7","2","3","2","1") = "6"
    & skf21("7","5","5","7","2","3","3","1") = "6"
    & skf21("7","5","5","7","2","3","4","1") = "6"
    & skf21("7","5","5","7","2","3","5","1") = "6"
    & skf21("7","5","5","7","2","3","6","1") = "6"
    & skf21("7","5","5","7","2","3","7","1") = "6"
    & skf21("7","5","5","7","2","4","1","1") = "6"
    & skf21("7","5","5","7","2","4","2","1") = "6"
    & skf21("7","5","5","7","2","4","3","1") = "6"
    & skf21("7","5","5","7","2","4","4","1") = "6"
    & skf21("7","5","5","7","2","4","5","1") = "6"
    & skf21("7","5","5","7","2","4","6","1") = "6"
    & skf21("7","5","5","7","2","4","7","1") = "6"
    & skf21("7","5","5","7","2","5","1","1") = "6"
    & skf21("7","5","5","7","2","5","2","1") = "6"
    & skf21("7","5","5","7","2","5","3","1") = "6"
    & skf21("7","5","5","7","2","5","4","1") = "6"
    & skf21("7","5","5","7","2","5","5","1") = "6"
    & skf21("7","5","5","7","2","5","6","1") = "6"
    & skf21("7","5","5","7","2","5","7","1") = "6"
    & skf21("7","5","5","7","2","6","1","1") = "6"
    & skf21("7","5","5","7","2","6","2","1") = "6"
    & skf21("7","5","5","7","2","6","3","1") = "6"
    & skf21("7","5","5","7","2","6","4","1") = "6"
    & skf21("7","5","5","7","2","6","5","1") = "6"
    & skf21("7","5","5","7","2","6","6","1") = "6"
    & skf21("7","5","5","7","2","6","7","1") = "6"
    & skf21("7","5","5","7","2","7","1","1") = "6"
    & skf21("7","5","5","7","2","7","2","1") = "6"
    & skf21("7","5","5","7","2","7","3","1") = "6"
    & skf21("7","5","5","7","2","7","4","1") = "6"
    & skf21("7","5","5","7","2","7","5","1") = "6"
    & skf21("7","5","5","7","2","7","6","1") = "6"
    & skf21("7","5","5","7","2","7","7","1") = "6"
    & skf21("7","5","5","7","3","1","1","1") = "6"
    & skf21("7","5","5","7","3","1","2","1") = "6"
    & skf21("7","5","5","7","3","1","3","1") = "6"
    & skf21("7","5","5","7","3","1","4","1") = "6"
    & skf21("7","5","5","7","3","1","5","1") = "6"
    & skf21("7","5","5","7","3","1","6","1") = "6"
    & skf21("7","5","5","7","3","1","7","1") = "6"
    & skf21("7","5","5","7","3","2","1","1") = "6"
    & skf21("7","5","5","7","3","2","2","1") = "6"
    & skf21("7","5","5","7","3","2","3","1") = "6"
    & skf21("7","5","5","7","3","2","4","1") = "6"
    & skf21("7","5","5","7","3","2","5","1") = "6"
    & skf21("7","5","5","7","3","2","6","1") = "6"
    & skf21("7","5","5","7","3","2","7","1") = "6"
    & skf21("7","5","5","7","3","3","1","1") = "6"
    & skf21("7","5","5","7","3","3","2","1") = "6"
    & skf21("7","5","5","7","3","3","3","1") = "6"
    & skf21("7","5","5","7","3","3","4","1") = "6"
    & skf21("7","5","5","7","3","3","5","1") = "6"
    & skf21("7","5","5","7","3","3","6","1") = "6"
    & skf21("7","5","5","7","3","3","7","1") = "6"
    & skf21("7","5","5","7","3","4","1","1") = "6"
    & skf21("7","5","5","7","3","4","2","1") = "6"
    & skf21("7","5","5","7","3","4","3","1") = "6"
    & skf21("7","5","5","7","3","4","4","1") = "6"
    & skf21("7","5","5","7","3","4","5","1") = "6"
    & skf21("7","5","5","7","3","4","6","1") = "6"
    & skf21("7","5","5","7","3","4","7","1") = "6"
    & skf21("7","5","5","7","3","5","1","1") = "6"
    & skf21("7","5","5","7","3","5","2","1") = "6"
    & skf21("7","5","5","7","3","5","3","1") = "6"
    & skf21("7","5","5","7","3","5","4","1") = "6"
    & skf21("7","5","5","7","3","5","5","1") = "6"
    & skf21("7","5","5","7","3","5","6","1") = "6"
    & skf21("7","5","5","7","3","5","7","1") = "6"
    & skf21("7","5","5","7","3","6","1","1") = "6"
    & skf21("7","5","5","7","3","6","2","1") = "6"
    & skf21("7","5","5","7","3","6","3","1") = "6"
    & skf21("7","5","5","7","3","6","4","1") = "6"
    & skf21("7","5","5","7","3","6","5","1") = "6"
    & skf21("7","5","5","7","3","6","6","1") = "6"
    & skf21("7","5","5","7","3","6","7","1") = "6"
    & skf21("7","5","5","7","3","7","1","1") = "6"
    & skf21("7","5","5","7","3","7","2","1") = "6"
    & skf21("7","5","5","7","3","7","3","1") = "6"
    & skf21("7","5","5","7","3","7","4","1") = "6"
    & skf21("7","5","5","7","3","7","5","1") = "6"
    & skf21("7","5","5","7","3","7","6","1") = "6"
    & skf21("7","5","5","7","3","7","7","1") = "6"
    & skf21("7","5","5","7","4","1","1","1") = "6"
    & skf21("7","5","5","7","4","1","2","1") = "6"
    & skf21("7","5","5","7","4","1","3","1") = "6"
    & skf21("7","5","5","7","4","1","4","1") = "6"
    & skf21("7","5","5","7","4","1","5","1") = "6"
    & skf21("7","5","5","7","4","1","6","1") = "6"
    & skf21("7","5","5","7","4","1","7","1") = "6"
    & skf21("7","5","5","7","4","2","1","1") = "6"
    & skf21("7","5","5","7","4","2","2","1") = "6"
    & skf21("7","5","5","7","4","2","3","1") = "6"
    & skf21("7","5","5","7","4","2","4","1") = "6"
    & skf21("7","5","5","7","4","2","5","1") = "6"
    & skf21("7","5","5","7","4","2","6","1") = "6"
    & skf21("7","5","5","7","4","2","7","1") = "6"
    & skf21("7","5","5","7","4","3","1","1") = "6"
    & skf21("7","5","5","7","4","3","2","1") = "6"
    & skf21("7","5","5","7","4","3","3","1") = "6"
    & skf21("7","5","5","7","4","3","4","1") = "6"
    & skf21("7","5","5","7","4","3","5","1") = "6"
    & skf21("7","5","5","7","4","3","6","1") = "6"
    & skf21("7","5","5","7","4","3","7","1") = "6"
    & skf21("7","5","5","7","4","4","1","1") = "6"
    & skf21("7","5","5","7","4","4","2","1") = "6"
    & skf21("7","5","5","7","4","4","3","1") = "6"
    & skf21("7","5","5","7","4","4","4","1") = "6"
    & skf21("7","5","5","7","4","4","5","1") = "6"
    & skf21("7","5","5","7","4","4","6","1") = "6"
    & skf21("7","5","5","7","4","4","7","1") = "6"
    & skf21("7","5","5","7","4","5","1","1") = "6"
    & skf21("7","5","5","7","4","5","2","1") = "6"
    & skf21("7","5","5","7","4","5","3","1") = "6"
    & skf21("7","5","5","7","4","5","4","1") = "6"
    & skf21("7","5","5","7","4","5","5","1") = "6"
    & skf21("7","5","5","7","4","5","6","1") = "6"
    & skf21("7","5","5","7","4","5","7","1") = "6"
    & skf21("7","5","5","7","4","6","1","1") = "6"
    & skf21("7","5","5","7","4","6","2","1") = "6"
    & skf21("7","5","5","7","4","6","3","1") = "6"
    & skf21("7","5","5","7","4","6","4","1") = "6"
    & skf21("7","5","5","7","4","6","5","1") = "6"
    & skf21("7","5","5","7","4","6","6","1") = "6"
    & skf21("7","5","5","7","4","6","7","1") = "6"
    & skf21("7","5","5","7","4","7","1","1") = "6"
    & skf21("7","5","5","7","4","7","2","1") = "6"
    & skf21("7","5","5","7","4","7","3","1") = "6"
    & skf21("7","5","5","7","4","7","4","1") = "6"
    & skf21("7","5","5","7","4","7","5","1") = "6"
    & skf21("7","5","5","7","4","7","6","1") = "6"
    & skf21("7","5","5","7","4","7","7","1") = "6"
    & skf21("7","5","5","7","5","1","1","1") = "6"
    & skf21("7","5","5","7","5","1","2","1") = "6"
    & skf21("7","5","5","7","5","1","3","1") = "6"
    & skf21("7","5","5","7","5","1","4","1") = "6"
    & skf21("7","5","5","7","5","1","5","1") = "6"
    & skf21("7","5","5","7","5","1","6","1") = "6"
    & skf21("7","5","5","7","5","1","7","1") = "6"
    & skf21("7","5","5","7","5","2","1","1") = "6"
    & skf21("7","5","5","7","5","2","2","1") = "6"
    & skf21("7","5","5","7","5","2","3","1") = "6"
    & skf21("7","5","5","7","5","2","4","1") = "6"
    & skf21("7","5","5","7","5","2","5","1") = "6"
    & skf21("7","5","5","7","5","2","6","1") = "6"
    & skf21("7","5","5","7","5","2","7","1") = "6"
    & skf21("7","5","5","7","5","3","1","1") = "6"
    & skf21("7","5","5","7","5","3","2","1") = "6"
    & skf21("7","5","5","7","5","3","3","1") = "6"
    & skf21("7","5","5","7","5","3","4","1") = "6"
    & skf21("7","5","5","7","5","3","5","1") = "6"
    & skf21("7","5","5","7","5","3","6","1") = "6"
    & skf21("7","5","5","7","5","3","7","1") = "6"
    & skf21("7","5","5","7","5","4","1","1") = "6"
    & skf21("7","5","5","7","5","4","2","1") = "6"
    & skf21("7","5","5","7","5","4","3","1") = "6"
    & skf21("7","5","5","7","5","4","4","1") = "6"
    & skf21("7","5","5","7","5","4","5","1") = "6"
    & skf21("7","5","5","7","5","4","6","1") = "6"
    & skf21("7","5","5","7","5","4","7","1") = "6"
    & skf21("7","5","5","7","5","5","1","1") = "6"
    & skf21("7","5","5","7","5","5","2","1") = "6"
    & skf21("7","5","5","7","5","5","3","1") = "6"
    & skf21("7","5","5","7","5","5","4","1") = "6"
    & skf21("7","5","5","7","5","5","5","1") = "6"
    & skf21("7","5","5","7","5","5","6","1") = "6"
    & skf21("7","5","5","7","5","5","7","1") = "6"
    & skf21("7","5","5","7","5","6","1","1") = "6"
    & skf21("7","5","5","7","5","6","2","1") = "6"
    & skf21("7","5","5","7","5","6","3","1") = "6"
    & skf21("7","5","5","7","5","6","4","1") = "6"
    & skf21("7","5","5","7","5","6","5","1") = "6"
    & skf21("7","5","5","7","5","6","6","1") = "6"
    & skf21("7","5","5","7","5","6","7","1") = "6"
    & skf21("7","5","5","7","5","7","1","1") = "6"
    & skf21("7","5","5","7","5","7","2","1") = "6"
    & skf21("7","5","5","7","5","7","3","1") = "6"
    & skf21("7","5","5","7","5","7","4","1") = "6"
    & skf21("7","5","5","7","5","7","5","1") = "6"
    & skf21("7","5","5","7","5","7","6","1") = "6"
    & skf21("7","5","5","7","5","7","7","1") = "6"
    & skf21("7","5","5","7","6","1","1","1") = "6"
    & skf21("7","5","5","7","6","1","2","1") = "6"
    & skf21("7","5","5","7","6","1","3","1") = "6"
    & skf21("7","5","5","7","6","1","4","1") = "6"
    & skf21("7","5","5","7","6","1","5","1") = "6"
    & skf21("7","5","5","7","6","1","6","1") = "6"
    & skf21("7","5","5","7","6","1","7","1") = "6"
    & skf21("7","5","5","7","6","2","1","1") = "6"
    & skf21("7","5","5","7","6","2","2","1") = "6"
    & skf21("7","5","5","7","6","2","3","1") = "6"
    & skf21("7","5","5","7","6","2","4","1") = "6"
    & skf21("7","5","5","7","6","2","5","1") = "6"
    & skf21("7","5","5","7","6","2","6","1") = "6"
    & skf21("7","5","5","7","6","2","7","1") = "6"
    & skf21("7","5","5","7","6","3","1","1") = "6"
    & skf21("7","5","5","7","6","3","2","1") = "6"
    & skf21("7","5","5","7","6","3","3","1") = "6"
    & skf21("7","5","5","7","6","3","4","1") = "6"
    & skf21("7","5","5","7","6","3","5","1") = "6"
    & skf21("7","5","5","7","6","3","6","1") = "6"
    & skf21("7","5","5","7","6","3","7","1") = "6"
    & skf21("7","5","5","7","6","4","1","1") = "6"
    & skf21("7","5","5","7","6","4","2","1") = "6"
    & skf21("7","5","5","7","6","4","3","1") = "6"
    & skf21("7","5","5","7","6","4","4","1") = "6"
    & skf21("7","5","5","7","6","4","5","1") = "6"
    & skf21("7","5","5","7","6","4","6","1") = "6"
    & skf21("7","5","5","7","6","4","7","1") = "6"
    & skf21("7","5","5","7","6","5","1","1") = "6"
    & skf21("7","5","5","7","6","5","2","1") = "6"
    & skf21("7","5","5","7","6","5","3","1") = "6"
    & skf21("7","5","5","7","6","5","4","1") = "6"
    & skf21("7","5","5","7","6","5","5","1") = "6"
    & skf21("7","5","5","7","6","5","6","1") = "6"
    & skf21("7","5","5","7","6","5","7","1") = "6"
    & skf21("7","5","5","7","6","6","1","1") = "6"
    & skf21("7","5","5","7","6","6","2","1") = "6"
    & skf21("7","5","5","7","6","6","3","1") = "6"
    & skf21("7","5","5","7","6","6","4","1") = "6"
    & skf21("7","5","5","7","6","6","5","1") = "6"
    & skf21("7","5","5","7","6","6","6","1") = "6"
    & skf21("7","5","5","7","6","6","7","1") = "6"
    & skf21("7","5","5","7","6","7","1","1") = "6"
    & skf21("7","5","5","7","6","7","2","1") = "6"
    & skf21("7","5","5","7","6","7","3","1") = "6"
    & skf21("7","5","5","7","6","7","4","1") = "6"
    & skf21("7","5","5","7","6","7","5","1") = "6"
    & skf21("7","5","5","7","6","7","6","1") = "6"
    & skf21("7","5","5","7","6","7","7","1") = "6"
    & skf21("7","5","5","7","7","1","1","1") = "6"
    & skf21("7","5","5","7","7","1","2","1") = "6"
    & skf21("7","5","5","7","7","1","3","1") = "6"
    & skf21("7","5","5","7","7","1","4","1") = "6"
    & skf21("7","5","5","7","7","1","5","1") = "6"
    & skf21("7","5","5","7","7","1","6","1") = "6"
    & skf21("7","5","5","7","7","1","7","1") = "6"
    & skf21("7","5","5","7","7","2","1","1") = "6"
    & skf21("7","5","5","7","7","2","2","1") = "6"
    & skf21("7","5","5","7","7","2","3","1") = "6"
    & skf21("7","5","5","7","7","2","4","1") = "6"
    & skf21("7","5","5","7","7","2","5","1") = "6"
    & skf21("7","5","5","7","7","2","6","1") = "6"
    & skf21("7","5","5","7","7","2","7","1") = "6"
    & skf21("7","5","5","7","7","3","1","1") = "6"
    & skf21("7","5","5","7","7","3","2","1") = "6"
    & skf21("7","5","5","7","7","3","3","1") = "6"
    & skf21("7","5","5","7","7","3","4","1") = "6"
    & skf21("7","5","5","7","7","3","5","1") = "6"
    & skf21("7","5","5","7","7","3","6","1") = "6"
    & skf21("7","5","5","7","7","3","7","1") = "6"
    & skf21("7","5","5","7","7","4","1","1") = "6"
    & skf21("7","5","5","7","7","4","2","1") = "6"
    & skf21("7","5","5","7","7","4","3","1") = "6"
    & skf21("7","5","5","7","7","4","4","1") = "6"
    & skf21("7","5","5","7","7","4","5","1") = "6"
    & skf21("7","5","5","7","7","4","6","1") = "6"
    & skf21("7","5","5","7","7","4","7","1") = "6"
    & skf21("7","5","5","7","7","5","1","1") = "6"
    & skf21("7","5","5","7","7","5","2","1") = "6"
    & skf21("7","5","5","7","7","5","3","1") = "6"
    & skf21("7","5","5","7","7","5","4","1") = "6"
    & skf21("7","5","5","7","7","5","5","1") = "6"
    & skf21("7","5","5","7","7","5","6","1") = "6"
    & skf21("7","5","5","7","7","5","7","1") = "6"
    & skf21("7","5","5","7","7","6","1","1") = "6"
    & skf21("7","5","5","7","7","6","2","1") = "6"
    & skf21("7","5","5","7","7","6","3","1") = "6"
    & skf21("7","5","5","7","7","6","4","1") = "6"
    & skf21("7","5","5","7","7","6","5","1") = "6"
    & skf21("7","5","5","7","7","6","6","1") = "6"
    & skf21("7","5","5","7","7","6","7","1") = "6"
    & skf21("7","5","5","7","7","7","1","1") = "6"
    & skf21("7","5","5","7","7","7","2","1") = "6"
    & skf21("7","5","5","7","7","7","3","1") = "6"
    & skf21("7","5","5","7","7","7","4","1") = "6"
    & skf21("7","5","5","7","7","7","5","1") = "6"
    & skf21("7","5","5","7","7","7","6","1") = "6"
    & skf21("7","5","5","7","7","7","7","1") = "6"
    & skf21("7","5","6","1","1","1","1","1") = "6"
    & skf21("7","5","6","1","1","1","2","1") = "6"
    & skf21("7","5","6","1","1","1","3","1") = "6"
    & skf21("7","5","6","1","1","1","4","1") = "6"
    & skf21("7","5","6","1","1","1","5","1") = "6"
    & skf21("7","5","6","1","1","1","6","1") = "6"
    & skf21("7","5","6","1","1","1","7","1") = "6"
    & skf21("7","5","6","1","1","2","1","1") = "6"
    & skf21("7","5","6","1","1","2","2","1") = "6"
    & skf21("7","5","6","1","1","2","3","1") = "6"
    & skf21("7","5","6","1","1","2","4","1") = "6"
    & skf21("7","5","6","1","1","2","5","1") = "6"
    & skf21("7","5","6","1","1","2","6","1") = "6"
    & skf21("7","5","6","1","1","2","7","1") = "6"
    & skf21("7","5","6","1","1","3","1","1") = "6"
    & skf21("7","5","6","1","1","3","2","1") = "6"
    & skf21("7","5","6","1","1","3","3","1") = "6"
    & skf21("7","5","6","1","1","3","4","1") = "6"
    & skf21("7","5","6","1","1","3","5","1") = "6"
    & skf21("7","5","6","1","1","3","6","1") = "6"
    & skf21("7","5","6","1","1","3","7","1") = "6"
    & skf21("7","5","6","1","1","4","1","1") = "6"
    & skf21("7","5","6","1","1","4","2","1") = "6"
    & skf21("7","5","6","1","1","4","3","1") = "6"
    & skf21("7","5","6","1","1","4","4","1") = "6"
    & skf21("7","5","6","1","1","4","5","1") = "6"
    & skf21("7","5","6","1","1","4","6","1") = "6"
    & skf21("7","5","6","1","1","4","7","1") = "6"
    & skf21("7","5","6","1","1","5","1","1") = "6"
    & skf21("7","5","6","1","1","5","2","1") = "6"
    & skf21("7","5","6","1","1","5","3","1") = "6"
    & skf21("7","5","6","1","1","5","4","1") = "6"
    & skf21("7","5","6","1","1","5","5","1") = "6"
    & skf21("7","5","6","1","1","5","6","1") = "6"
    & skf21("7","5","6","1","1","5","7","1") = "6"
    & skf21("7","5","6","1","1","6","1","1") = "6"
    & skf21("7","5","6","1","1","6","2","1") = "6"
    & skf21("7","5","6","1","1","6","3","1") = "6"
    & skf21("7","5","6","1","1","6","4","1") = "6"
    & skf21("7","5","6","1","1","6","5","1") = "6"
    & skf21("7","5","6","1","1","6","6","1") = "6"
    & skf21("7","5","6","1","1","6","7","1") = "6"
    & skf21("7","5","6","1","1","7","1","1") = "6"
    & skf21("7","5","6","1","1","7","2","1") = "6"
    & skf21("7","5","6","1","1","7","3","1") = "6"
    & skf21("7","5","6","1","1","7","4","1") = "6"
    & skf21("7","5","6","1","1","7","5","1") = "6"
    & skf21("7","5","6","1","1","7","6","1") = "6"
    & skf21("7","5","6","1","1","7","7","1") = "6"
    & skf21("7","5","6","1","2","1","1","1") = "6"
    & skf21("7","5","6","1","2","1","2","1") = "6"
    & skf21("7","5","6","1","2","1","3","1") = "6"
    & skf21("7","5","6","1","2","1","4","1") = "6"
    & skf21("7","5","6","1","2","1","5","1") = "6"
    & skf21("7","5","6","1","2","1","6","1") = "6"
    & skf21("7","5","6","1","2","1","7","1") = "6"
    & skf21("7","5","6","1","2","2","1","1") = "6"
    & skf21("7","5","6","1","2","2","2","1") = "6"
    & skf21("7","5","6","1","2","2","3","1") = "6"
    & skf21("7","5","6","1","2","2","4","1") = "6"
    & skf21("7","5","6","1","2","2","5","1") = "6"
    & skf21("7","5","6","1","2","2","6","1") = "6"
    & skf21("7","5","6","1","2","2","7","1") = "6"
    & skf21("7","5","6","1","2","3","1","1") = "6"
    & skf21("7","5","6","1","2","3","2","1") = "6"
    & skf21("7","5","6","1","2","3","3","1") = "6"
    & skf21("7","5","6","1","2","3","4","1") = "6"
    & skf21("7","5","6","1","2","3","5","1") = "6"
    & skf21("7","5","6","1","2","3","6","1") = "6"
    & skf21("7","5","6","1","2","3","7","1") = "6"
    & skf21("7","5","6","1","2","4","1","1") = "6"
    & skf21("7","5","6","1","2","4","2","1") = "6"
    & skf21("7","5","6","1","2","4","3","1") = "6"
    & skf21("7","5","6","1","2","4","4","1") = "6"
    & skf21("7","5","6","1","2","4","5","1") = "6"
    & skf21("7","5","6","1","2","4","6","1") = "6"
    & skf21("7","5","6","1","2","4","7","1") = "6"
    & skf21("7","5","6","1","2","5","1","1") = "6"
    & skf21("7","5","6","1","2","5","2","1") = "6"
    & skf21("7","5","6","1","2","5","3","1") = "6"
    & skf21("7","5","6","1","2","5","4","1") = "6"
    & skf21("7","5","6","1","2","5","5","1") = "6"
    & skf21("7","5","6","1","2","5","6","1") = "6"
    & skf21("7","5","6","1","2","5","7","1") = "6"
    & skf21("7","5","6","1","2","6","1","1") = "6"
    & skf21("7","5","6","1","2","6","2","1") = "6"
    & skf21("7","5","6","1","2","6","3","1") = "6"
    & skf21("7","5","6","1","2","6","4","1") = "6"
    & skf21("7","5","6","1","2","6","5","1") = "6"
    & skf21("7","5","6","1","2","6","6","1") = "6"
    & skf21("7","5","6","1","2","6","7","1") = "6"
    & skf21("7","5","6","1","2","7","1","1") = "6"
    & skf21("7","5","6","1","2","7","2","1") = "6"
    & skf21("7","5","6","1","2","7","3","1") = "6"
    & skf21("7","5","6","1","2","7","4","1") = "6"
    & skf21("7","5","6","1","2","7","5","1") = "6"
    & skf21("7","5","6","1","2","7","6","1") = "6"
    & skf21("7","5","6","1","2","7","7","1") = "6"
    & skf21("7","5","6","1","3","1","1","1") = "6"
    & skf21("7","5","6","1","3","1","2","1") = "6"
    & skf21("7","5","6","1","3","1","3","1") = "6"
    & skf21("7","5","6","1","3","1","4","1") = "6"
    & skf21("7","5","6","1","3","1","5","1") = "6"
    & skf21("7","5","6","1","3","1","6","1") = "6"
    & skf21("7","5","6","1","3","1","7","1") = "6"
    & skf21("7","5","6","1","3","2","1","1") = "6"
    & skf21("7","5","6","1","3","2","2","1") = "6"
    & skf21("7","5","6","1","3","2","3","1") = "6"
    & skf21("7","5","6","1","3","2","4","1") = "6"
    & skf21("7","5","6","1","3","2","5","1") = "6"
    & skf21("7","5","6","1","3","2","6","1") = "6"
    & skf21("7","5","6","1","3","2","7","1") = "6"
    & skf21("7","5","6","1","3","3","1","1") = "6"
    & skf21("7","5","6","1","3","3","2","1") = "6"
    & skf21("7","5","6","1","3","3","3","1") = "6"
    & skf21("7","5","6","1","3","3","4","1") = "6"
    & skf21("7","5","6","1","3","3","5","1") = "6"
    & skf21("7","5","6","1","3","3","6","1") = "6"
    & skf21("7","5","6","1","3","3","7","1") = "6"
    & skf21("7","5","6","1","3","4","1","1") = "6"
    & skf21("7","5","6","1","3","4","2","1") = "6"
    & skf21("7","5","6","1","3","4","3","1") = "6"
    & skf21("7","5","6","1","3","4","4","1") = "6"
    & skf21("7","5","6","1","3","4","5","1") = "6"
    & skf21("7","5","6","1","3","4","6","1") = "6"
    & skf21("7","5","6","1","3","4","7","1") = "6"
    & skf21("7","5","6","1","3","5","1","1") = "6"
    & skf21("7","5","6","1","3","5","2","1") = "6"
    & skf21("7","5","6","1","3","5","3","1") = "6"
    & skf21("7","5","6","1","3","5","4","1") = "6"
    & skf21("7","5","6","1","3","5","5","1") = "6"
    & skf21("7","5","6","1","3","5","6","1") = "6"
    & skf21("7","5","6","1","3","5","7","1") = "6"
    & skf21("7","5","6","1","3","6","1","1") = "6"
    & skf21("7","5","6","1","3","6","2","1") = "6"
    & skf21("7","5","6","1","3","6","3","1") = "6"
    & skf21("7","5","6","1","3","6","4","1") = "6"
    & skf21("7","5","6","1","3","6","5","1") = "6"
    & skf21("7","5","6","1","3","6","6","1") = "6"
    & skf21("7","5","6","1","3","6","7","1") = "6"
    & skf21("7","5","6","1","3","7","1","1") = "6"
    & skf21("7","5","6","1","3","7","2","1") = "6"
    & skf21("7","5","6","1","3","7","3","1") = "6"
    & skf21("7","5","6","1","3","7","4","1") = "6"
    & skf21("7","5","6","1","3","7","5","1") = "6"
    & skf21("7","5","6","1","3","7","6","1") = "6"
    & skf21("7","5","6","1","3","7","7","1") = "6"
    & skf21("7","5","6","1","4","1","1","1") = "6"
    & skf21("7","5","6","1","4","1","2","1") = "6"
    & skf21("7","5","6","1","4","1","3","1") = "6"
    & skf21("7","5","6","1","4","1","4","1") = "6"
    & skf21("7","5","6","1","4","1","5","1") = "6"
    & skf21("7","5","6","1","4","1","6","1") = "6"
    & skf21("7","5","6","1","4","1","7","1") = "6"
    & skf21("7","5","6","1","4","2","1","1") = "6"
    & skf21("7","5","6","1","4","2","2","1") = "6"
    & skf21("7","5","6","1","4","2","3","1") = "6"
    & skf21("7","5","6","1","4","2","4","1") = "6"
    & skf21("7","5","6","1","4","2","5","1") = "6"
    & skf21("7","5","6","1","4","2","6","1") = "6"
    & skf21("7","5","6","1","4","2","7","1") = "6"
    & skf21("7","5","6","1","4","3","1","1") = "6"
    & skf21("7","5","6","1","4","3","2","1") = "6"
    & skf21("7","5","6","1","4","3","3","1") = "6"
    & skf21("7","5","6","1","4","3","4","1") = "6"
    & skf21("7","5","6","1","4","3","5","1") = "6"
    & skf21("7","5","6","1","4","3","6","1") = "6"
    & skf21("7","5","6","1","4","3","7","1") = "6"
    & skf21("7","5","6","1","4","4","1","1") = "6"
    & skf21("7","5","6","1","4","4","2","1") = "6"
    & skf21("7","5","6","1","4","4","3","1") = "6"
    & skf21("7","5","6","1","4","4","4","1") = "6"
    & skf21("7","5","6","1","4","4","5","1") = "6"
    & skf21("7","5","6","1","4","4","6","1") = "6"
    & skf21("7","5","6","1","4","4","7","1") = "6"
    & skf21("7","5","6","1","4","5","1","1") = "6"
    & skf21("7","5","6","1","4","5","2","1") = "6"
    & skf21("7","5","6","1","4","5","3","1") = "6"
    & skf21("7","5","6","1","4","5","4","1") = "6"
    & skf21("7","5","6","1","4","5","5","1") = "6"
    & skf21("7","5","6","1","4","5","6","1") = "6"
    & skf21("7","5","6","1","4","5","7","1") = "6"
    & skf21("7","5","6","1","4","6","1","1") = "6"
    & skf21("7","5","6","1","4","6","2","1") = "6"
    & skf21("7","5","6","1","4","6","3","1") = "6"
    & skf21("7","5","6","1","4","6","4","1") = "6"
    & skf21("7","5","6","1","4","6","5","1") = "6"
    & skf21("7","5","6","1","4","6","6","1") = "6"
    & skf21("7","5","6","1","4","6","7","1") = "6"
    & skf21("7","5","6","1","4","7","1","1") = "6"
    & skf21("7","5","6","1","4","7","2","1") = "6"
    & skf21("7","5","6","1","4","7","3","1") = "6"
    & skf21("7","5","6","1","4","7","4","1") = "6"
    & skf21("7","5","6","1","4","7","5","1") = "6"
    & skf21("7","5","6","1","4","7","6","1") = "6"
    & skf21("7","5","6","1","4","7","7","1") = "6"
    & skf21("7","5","6","1","5","1","1","1") = "6"
    & skf21("7","5","6","1","5","1","2","1") = "6"
    & skf21("7","5","6","1","5","1","3","1") = "6"
    & skf21("7","5","6","1","5","1","4","1") = "6"
    & skf21("7","5","6","1","5","1","5","1") = "6"
    & skf21("7","5","6","1","5","1","6","1") = "6"
    & skf21("7","5","6","1","5","1","7","1") = "6"
    & skf21("7","5","6","1","5","2","1","1") = "6"
    & skf21("7","5","6","1","5","2","2","1") = "6"
    & skf21("7","5","6","1","5","2","3","1") = "6"
    & skf21("7","5","6","1","5","2","4","1") = "6"
    & skf21("7","5","6","1","5","2","5","1") = "6"
    & skf21("7","5","6","1","5","2","6","1") = "6"
    & skf21("7","5","6","1","5","2","7","1") = "6"
    & skf21("7","5","6","1","5","3","1","1") = "6"
    & skf21("7","5","6","1","5","3","2","1") = "6"
    & skf21("7","5","6","1","5","3","3","1") = "6"
    & skf21("7","5","6","1","5","3","4","1") = "6"
    & skf21("7","5","6","1","5","3","5","1") = "6"
    & skf21("7","5","6","1","5","3","6","1") = "6"
    & skf21("7","5","6","1","5","3","7","1") = "6"
    & skf21("7","5","6","1","5","4","1","1") = "6"
    & skf21("7","5","6","1","5","4","2","1") = "6"
    & skf21("7","5","6","1","5","4","3","1") = "6"
    & skf21("7","5","6","1","5","4","4","1") = "6"
    & skf21("7","5","6","1","5","4","5","1") = "6"
    & skf21("7","5","6","1","5","4","6","1") = "6"
    & skf21("7","5","6","1","5","4","7","1") = "6"
    & skf21("7","5","6","1","5","5","1","1") = "6"
    & skf21("7","5","6","1","5","5","2","1") = "6"
    & skf21("7","5","6","1","5","5","3","1") = "6"
    & skf21("7","5","6","1","5","5","4","1") = "6"
    & skf21("7","5","6","1","5","5","5","1") = "6"
    & skf21("7","5","6","1","5","5","6","1") = "6"
    & skf21("7","5","6","1","5","5","7","1") = "6"
    & skf21("7","5","6","1","5","6","1","1") = "6"
    & skf21("7","5","6","1","5","6","2","1") = "6"
    & skf21("7","5","6","1","5","6","3","1") = "6"
    & skf21("7","5","6","1","5","6","4","1") = "6"
    & skf21("7","5","6","1","5","6","5","1") = "6"
    & skf21("7","5","6","1","5","6","6","1") = "6"
    & skf21("7","5","6","1","5","6","7","1") = "6"
    & skf21("7","5","6","1","5","7","1","1") = "6"
    & skf21("7","5","6","1","5","7","2","1") = "6"
    & skf21("7","5","6","1","5","7","3","1") = "6"
    & skf21("7","5","6","1","5","7","4","1") = "6"
    & skf21("7","5","6","1","5","7","5","1") = "6"
    & skf21("7","5","6","1","5","7","6","1") = "6"
    & skf21("7","5","6","1","5","7","7","1") = "6"
    & skf21("7","5","6","1","6","1","1","1") = "6"
    & skf21("7","5","6","1","6","1","2","1") = "6"
    & skf21("7","5","6","1","6","1","3","1") = "6"
    & skf21("7","5","6","1","6","1","4","1") = "6"
    & skf21("7","5","6","1","6","1","5","1") = "6"
    & skf21("7","5","6","1","6","1","6","1") = "6"
    & skf21("7","5","6","1","6","1","7","1") = "6"
    & skf21("7","5","6","1","6","2","1","1") = "6"
    & skf21("7","5","6","1","6","2","2","1") = "6"
    & skf21("7","5","6","1","6","2","3","1") = "6"
    & skf21("7","5","6","1","6","2","4","1") = "6"
    & skf21("7","5","6","1","6","2","5","1") = "6"
    & skf21("7","5","6","1","6","2","6","1") = "6"
    & skf21("7","5","6","1","6","2","7","1") = "6"
    & skf21("7","5","6","1","6","3","1","1") = "6"
    & skf21("7","5","6","1","6","3","2","1") = "6"
    & skf21("7","5","6","1","6","3","3","1") = "6"
    & skf21("7","5","6","1","6","3","4","1") = "6"
    & skf21("7","5","6","1","6","3","5","1") = "6"
    & skf21("7","5","6","1","6","3","6","1") = "6"
    & skf21("7","5","6","1","6","3","7","1") = "6"
    & skf21("7","5","6","1","6","4","1","1") = "6"
    & skf21("7","5","6","1","6","4","2","1") = "6"
    & skf21("7","5","6","1","6","4","3","1") = "6"
    & skf21("7","5","6","1","6","4","4","1") = "6"
    & skf21("7","5","6","1","6","4","5","1") = "6"
    & skf21("7","5","6","1","6","4","6","1") = "6"
    & skf21("7","5","6","1","6","4","7","1") = "6"
    & skf21("7","5","6","1","6","5","1","1") = "6"
    & skf21("7","5","6","1","6","5","2","1") = "6"
    & skf21("7","5","6","1","6","5","3","1") = "6"
    & skf21("7","5","6","1","6","5","4","1") = "6"
    & skf21("7","5","6","1","6","5","5","1") = "6"
    & skf21("7","5","6","1","6","5","6","1") = "6"
    & skf21("7","5","6","1","6","5","7","1") = "6"
    & skf21("7","5","6","1","6","6","1","1") = "6"
    & skf21("7","5","6","1","6","6","2","1") = "6"
    & skf21("7","5","6","1","6","6","3","1") = "6"
    & skf21("7","5","6","1","6","6","4","1") = "6"
    & skf21("7","5","6","1","6","6","5","1") = "6"
    & skf21("7","5","6","1","6","6","6","1") = "6"
    & skf21("7","5","6","1","6","6","7","1") = "6"
    & skf21("7","5","6","1","6","7","1","1") = "6"
    & skf21("7","5","6","1","6","7","2","1") = "6"
    & skf21("7","5","6","1","6","7","3","1") = "6"
    & skf21("7","5","6","1","6","7","4","1") = "6"
    & skf21("7","5","6","1","6","7","5","1") = "6"
    & skf21("7","5","6","1","6","7","6","1") = "6"
    & skf21("7","5","6","1","6","7","7","1") = "6"
    & skf21("7","5","6","1","7","1","1","1") = "6"
    & skf21("7","5","6","1","7","1","2","1") = "6"
    & skf21("7","5","6","1","7","1","3","1") = "6"
    & skf21("7","5","6","1","7","1","4","1") = "6"
    & skf21("7","5","6","1","7","1","5","1") = "6"
    & skf21("7","5","6","1","7","1","6","1") = "6"
    & skf21("7","5","6","1","7","1","7","1") = "6"
    & skf21("7","5","6","1","7","2","1","1") = "6"
    & skf21("7","5","6","1","7","2","2","1") = "6"
    & skf21("7","5","6","1","7","2","3","1") = "6"
    & skf21("7","5","6","1","7","2","4","1") = "6"
    & skf21("7","5","6","1","7","2","5","1") = "6"
    & skf21("7","5","6","1","7","2","6","1") = "6"
    & skf21("7","5","6","1","7","2","7","1") = "6"
    & skf21("7","5","6","1","7","3","1","1") = "6"
    & skf21("7","5","6","1","7","3","2","1") = "6"
    & skf21("7","5","6","1","7","3","3","1") = "6"
    & skf21("7","5","6","1","7","3","4","1") = "6"
    & skf21("7","5","6","1","7","3","5","1") = "6"
    & skf21("7","5","6","1","7","3","6","1") = "6"
    & skf21("7","5","6","1","7","3","7","1") = "6"
    & skf21("7","5","6","1","7","4","1","1") = "6"
    & skf21("7","5","6","1","7","4","2","1") = "6"
    & skf21("7","5","6","1","7","4","3","1") = "6"
    & skf21("7","5","6","1","7","4","4","1") = "6"
    & skf21("7","5","6","1","7","4","5","1") = "6"
    & skf21("7","5","6","1","7","4","6","1") = "6"
    & skf21("7","5","6","1","7","4","7","1") = "6"
    & skf21("7","5","6","1","7","5","1","1") = "6"
    & skf21("7","5","6","1","7","5","2","1") = "6"
    & skf21("7","5","6","1","7","5","3","1") = "6"
    & skf21("7","5","6","1","7","5","4","1") = "6"
    & skf21("7","5","6","1","7","5","5","1") = "6"
    & skf21("7","5","6","1","7","5","6","1") = "6"
    & skf21("7","5","6","1","7","5","7","1") = "6"
    & skf21("7","5","6","1","7","6","1","1") = "6"
    & skf21("7","5","6","1","7","6","2","1") = "6"
    & skf21("7","5","6","1","7","6","3","1") = "6"
    & skf21("7","5","6","1","7","6","4","1") = "6"
    & skf21("7","5","6","1","7","6","5","1") = "6"
    & skf21("7","5","6","1","7","6","6","1") = "6"
    & skf21("7","5","6","1","7","6","7","1") = "6"
    & skf21("7","5","6","1","7","7","1","1") = "6"
    & skf21("7","5","6","1","7","7","2","1") = "6"
    & skf21("7","5","6","1","7","7","3","1") = "6"
    & skf21("7","5","6","1","7","7","4","1") = "6"
    & skf21("7","5","6","1","7","7","5","1") = "6"
    & skf21("7","5","6","1","7","7","6","1") = "6"
    & skf21("7","5","6","1","7","7","7","1") = "6"
    & skf21("7","5","6","2","1","1","1","1") = "6"
    & skf21("7","5","6","2","1","1","2","1") = "6"
    & skf21("7","5","6","2","1","1","3","1") = "6"
    & skf21("7","5","6","2","1","1","4","1") = "6"
    & skf21("7","5","6","2","1","1","5","1") = "6"
    & skf21("7","5","6","2","1","1","6","1") = "6"
    & skf21("7","5","6","2","1","1","7","1") = "6"
    & skf21("7","5","6","2","1","2","1","1") = "6"
    & skf21("7","5","6","2","1","2","2","1") = "6"
    & skf21("7","5","6","2","1","2","3","1") = "6"
    & skf21("7","5","6","2","1","2","4","1") = "6"
    & skf21("7","5","6","2","1","2","5","1") = "6"
    & skf21("7","5","6","2","1","2","6","1") = "6"
    & skf21("7","5","6","2","1","2","7","1") = "6"
    & skf21("7","5","6","2","1","3","1","1") = "6"
    & skf21("7","5","6","2","1","3","2","1") = "6"
    & skf21("7","5","6","2","1","3","3","1") = "6"
    & skf21("7","5","6","2","1","3","4","1") = "6"
    & skf21("7","5","6","2","1","3","5","1") = "6"
    & skf21("7","5","6","2","1","3","6","1") = "6"
    & skf21("7","5","6","2","1","3","7","1") = "6"
    & skf21("7","5","6","2","1","4","1","1") = "6"
    & skf21("7","5","6","2","1","4","2","1") = "6"
    & skf21("7","5","6","2","1","4","3","1") = "6"
    & skf21("7","5","6","2","1","4","4","1") = "6"
    & skf21("7","5","6","2","1","4","5","1") = "6"
    & skf21("7","5","6","2","1","4","6","1") = "6"
    & skf21("7","5","6","2","1","4","7","1") = "6"
    & skf21("7","5","6","2","1","5","1","1") = "6"
    & skf21("7","5","6","2","1","5","2","1") = "6"
    & skf21("7","5","6","2","1","5","3","1") = "6"
    & skf21("7","5","6","2","1","5","4","1") = "6"
    & skf21("7","5","6","2","1","5","5","1") = "6"
    & skf21("7","5","6","2","1","5","6","1") = "6"
    & skf21("7","5","6","2","1","5","7","1") = "6"
    & skf21("7","5","6","2","1","6","1","1") = "6"
    & skf21("7","5","6","2","1","6","2","1") = "6"
    & skf21("7","5","6","2","1","6","3","1") = "6"
    & skf21("7","5","6","2","1","6","4","1") = "6"
    & skf21("7","5","6","2","1","6","5","1") = "6"
    & skf21("7","5","6","2","1","6","6","1") = "6"
    & skf21("7","5","6","2","1","6","7","1") = "6"
    & skf21("7","5","6","2","1","7","1","1") = "6"
    & skf21("7","5","6","2","1","7","2","1") = "6"
    & skf21("7","5","6","2","1","7","3","1") = "6"
    & skf21("7","5","6","2","1","7","4","1") = "6"
    & skf21("7","5","6","2","1","7","5","1") = "6"
    & skf21("7","5","6","2","1","7","6","1") = "6"
    & skf21("7","5","6","2","1","7","7","1") = "6"
    & skf21("7","5","6","2","2","1","1","1") = "6"
    & skf21("7","5","6","2","2","1","2","1") = "6"
    & skf21("7","5","6","2","2","1","3","1") = "6"
    & skf21("7","5","6","2","2","1","4","1") = "6"
    & skf21("7","5","6","2","2","1","5","1") = "6"
    & skf21("7","5","6","2","2","1","6","1") = "6"
    & skf21("7","5","6","2","2","1","7","1") = "6"
    & skf21("7","5","6","2","2","2","1","1") = "6"
    & skf21("7","5","6","2","2","2","2","1") = "6"
    & skf21("7","5","6","2","2","2","3","1") = "6"
    & skf21("7","5","6","2","2","2","4","1") = "6"
    & skf21("7","5","6","2","2","2","5","1") = "6"
    & skf21("7","5","6","2","2","2","6","1") = "6"
    & skf21("7","5","6","2","2","2","7","1") = "6"
    & skf21("7","5","6","2","2","3","1","1") = "6"
    & skf21("7","5","6","2","2","3","2","1") = "6"
    & skf21("7","5","6","2","2","3","3","1") = "6"
    & skf21("7","5","6","2","2","3","4","1") = "6"
    & skf21("7","5","6","2","2","3","5","1") = "6"
    & skf21("7","5","6","2","2","3","6","1") = "6"
    & skf21("7","5","6","2","2","3","7","1") = "6"
    & skf21("7","5","6","2","2","4","1","1") = "6"
    & skf21("7","5","6","2","2","4","2","1") = "6"
    & skf21("7","5","6","2","2","4","3","1") = "6"
    & skf21("7","5","6","2","2","4","4","1") = "6"
    & skf21("7","5","6","2","2","4","5","1") = "6"
    & skf21("7","5","6","2","2","4","6","1") = "6"
    & skf21("7","5","6","2","2","4","7","1") = "6"
    & skf21("7","5","6","2","2","5","1","1") = "6"
    & skf21("7","5","6","2","2","5","2","1") = "6"
    & skf21("7","5","6","2","2","5","3","1") = "6"
    & skf21("7","5","6","2","2","5","4","1") = "6"
    & skf21("7","5","6","2","2","5","5","1") = "6"
    & skf21("7","5","6","2","2","5","6","1") = "6"
    & skf21("7","5","6","2","2","5","7","1") = "6"
    & skf21("7","5","6","2","2","6","1","1") = "6"
    & skf21("7","5","6","2","2","6","2","1") = "6"
    & skf21("7","5","6","2","2","6","3","1") = "6"
    & skf21("7","5","6","2","2","6","4","1") = "6"
    & skf21("7","5","6","2","2","6","5","1") = "6"
    & skf21("7","5","6","2","2","6","6","1") = "6"
    & skf21("7","5","6","2","2","6","7","1") = "6"
    & skf21("7","5","6","2","2","7","1","1") = "6"
    & skf21("7","5","6","2","2","7","2","1") = "6"
    & skf21("7","5","6","2","2","7","3","1") = "6"
    & skf21("7","5","6","2","2","7","4","1") = "6"
    & skf21("7","5","6","2","2","7","5","1") = "6"
    & skf21("7","5","6","2","2","7","6","1") = "6"
    & skf21("7","5","6","2","2","7","7","1") = "6"
    & skf21("7","5","6","2","3","1","1","1") = "6"
    & skf21("7","5","6","2","3","1","2","1") = "6"
    & skf21("7","5","6","2","3","1","3","1") = "6"
    & skf21("7","5","6","2","3","1","4","1") = "6"
    & skf21("7","5","6","2","3","1","5","1") = "6"
    & skf21("7","5","6","2","3","1","6","1") = "6"
    & skf21("7","5","6","2","3","1","7","1") = "6"
    & skf21("7","5","6","2","3","2","1","1") = "6"
    & skf21("7","5","6","2","3","2","2","1") = "6"
    & skf21("7","5","6","2","3","2","3","1") = "6"
    & skf21("7","5","6","2","3","2","4","1") = "6"
    & skf21("7","5","6","2","3","2","5","1") = "6"
    & skf21("7","5","6","2","3","2","6","1") = "6"
    & skf21("7","5","6","2","3","2","7","1") = "6"
    & skf21("7","5","6","2","3","3","1","1") = "6"
    & skf21("7","5","6","2","3","3","2","1") = "6"
    & skf21("7","5","6","2","3","3","3","1") = "6"
    & skf21("7","5","6","2","3","3","4","1") = "6"
    & skf21("7","5","6","2","3","3","5","1") = "6"
    & skf21("7","5","6","2","3","3","6","1") = "6"
    & skf21("7","5","6","2","3","3","7","1") = "6"
    & skf21("7","5","6","2","3","4","1","1") = "6"
    & skf21("7","5","6","2","3","4","2","1") = "6"
    & skf21("7","5","6","2","3","4","3","1") = "6"
    & skf21("7","5","6","2","3","4","4","1") = "6"
    & skf21("7","5","6","2","3","4","5","1") = "6"
    & skf21("7","5","6","2","3","4","6","1") = "6"
    & skf21("7","5","6","2","3","4","7","1") = "6"
    & skf21("7","5","6","2","3","5","1","1") = "6"
    & skf21("7","5","6","2","3","5","2","1") = "6"
    & skf21("7","5","6","2","3","5","3","1") = "6"
    & skf21("7","5","6","2","3","5","4","1") = "6"
    & skf21("7","5","6","2","3","5","5","1") = "6"
    & skf21("7","5","6","2","3","5","6","1") = "6"
    & skf21("7","5","6","2","3","5","7","1") = "6"
    & skf21("7","5","6","2","3","6","1","1") = "6"
    & skf21("7","5","6","2","3","6","2","1") = "6"
    & skf21("7","5","6","2","3","6","3","1") = "6"
    & skf21("7","5","6","2","3","6","4","1") = "6"
    & skf21("7","5","6","2","3","6","5","1") = "6"
    & skf21("7","5","6","2","3","6","6","1") = "6"
    & skf21("7","5","6","2","3","6","7","1") = "6"
    & skf21("7","5","6","2","3","7","1","1") = "6"
    & skf21("7","5","6","2","3","7","2","1") = "6"
    & skf21("7","5","6","2","3","7","3","1") = "6"
    & skf21("7","5","6","2","3","7","4","1") = "6"
    & skf21("7","5","6","2","3","7","5","1") = "6"
    & skf21("7","5","6","2","3","7","6","1") = "6"
    & skf21("7","5","6","2","3","7","7","1") = "6"
    & skf21("7","5","6","2","4","1","1","1") = "6"
    & skf21("7","5","6","2","4","1","2","1") = "6"
    & skf21("7","5","6","2","4","1","3","1") = "6"
    & skf21("7","5","6","2","4","1","4","1") = "6"
    & skf21("7","5","6","2","4","1","5","1") = "6"
    & skf21("7","5","6","2","4","1","6","1") = "6"
    & skf21("7","5","6","2","4","1","7","1") = "6"
    & skf21("7","5","6","2","4","2","1","1") = "6"
    & skf21("7","5","6","2","4","2","2","1") = "6"
    & skf21("7","5","6","2","4","2","3","1") = "6"
    & skf21("7","5","6","2","4","2","4","1") = "6"
    & skf21("7","5","6","2","4","2","5","1") = "6"
    & skf21("7","5","6","2","4","2","6","1") = "6"
    & skf21("7","5","6","2","4","2","7","1") = "6"
    & skf21("7","5","6","2","4","3","1","1") = "6"
    & skf21("7","5","6","2","4","3","2","1") = "6"
    & skf21("7","5","6","2","4","3","3","1") = "6"
    & skf21("7","5","6","2","4","3","4","1") = "6"
    & skf21("7","5","6","2","4","3","5","1") = "6"
    & skf21("7","5","6","2","4","3","6","1") = "6"
    & skf21("7","5","6","2","4","3","7","1") = "6"
    & skf21("7","5","6","2","4","4","1","1") = "6"
    & skf21("7","5","6","2","4","4","2","1") = "6"
    & skf21("7","5","6","2","4","4","3","1") = "6"
    & skf21("7","5","6","2","4","4","4","1") = "6"
    & skf21("7","5","6","2","4","4","5","1") = "6"
    & skf21("7","5","6","2","4","4","6","1") = "6"
    & skf21("7","5","6","2","4","4","7","1") = "6"
    & skf21("7","5","6","2","4","5","1","1") = "6"
    & skf21("7","5","6","2","4","5","2","1") = "6"
    & skf21("7","5","6","2","4","5","3","1") = "6"
    & skf21("7","5","6","2","4","5","4","1") = "6"
    & skf21("7","5","6","2","4","5","5","1") = "6"
    & skf21("7","5","6","2","4","5","6","1") = "6"
    & skf21("7","5","6","2","4","5","7","1") = "6"
    & skf21("7","5","6","2","4","6","1","1") = "6"
    & skf21("7","5","6","2","4","6","2","1") = "6"
    & skf21("7","5","6","2","4","6","3","1") = "6"
    & skf21("7","5","6","2","4","6","4","1") = "6"
    & skf21("7","5","6","2","4","6","5","1") = "6"
    & skf21("7","5","6","2","4","6","6","1") = "6"
    & skf21("7","5","6","2","4","6","7","1") = "6"
    & skf21("7","5","6","2","4","7","1","1") = "6"
    & skf21("7","5","6","2","4","7","2","1") = "6"
    & skf21("7","5","6","2","4","7","3","1") = "6"
    & skf21("7","5","6","2","4","7","4","1") = "6"
    & skf21("7","5","6","2","4","7","5","1") = "6"
    & skf21("7","5","6","2","4","7","6","1") = "6"
    & skf21("7","5","6","2","4","7","7","1") = "6"
    & skf21("7","5","6","2","5","1","1","1") = "6"
    & skf21("7","5","6","2","5","1","2","1") = "6"
    & skf21("7","5","6","2","5","1","3","1") = "6"
    & skf21("7","5","6","2","5","1","4","1") = "6"
    & skf21("7","5","6","2","5","1","5","1") = "6"
    & skf21("7","5","6","2","5","1","6","1") = "6"
    & skf21("7","5","6","2","5","1","7","1") = "6"
    & skf21("7","5","6","2","5","2","1","1") = "6"
    & skf21("7","5","6","2","5","2","2","1") = "6"
    & skf21("7","5","6","2","5","2","3","1") = "6"
    & skf21("7","5","6","2","5","2","4","1") = "6"
    & skf21("7","5","6","2","5","2","5","1") = "6"
    & skf21("7","5","6","2","5","2","6","1") = "6"
    & skf21("7","5","6","2","5","2","7","1") = "6"
    & skf21("7","5","6","2","5","3","1","1") = "6"
    & skf21("7","5","6","2","5","3","2","1") = "6"
    & skf21("7","5","6","2","5","3","3","1") = "6"
    & skf21("7","5","6","2","5","3","4","1") = "6"
    & skf21("7","5","6","2","5","3","5","1") = "6"
    & skf21("7","5","6","2","5","3","6","1") = "6"
    & skf21("7","5","6","2","5","3","7","1") = "6"
    & skf21("7","5","6","2","5","4","1","1") = "6"
    & skf21("7","5","6","2","5","4","2","1") = "6"
    & skf21("7","5","6","2","5","4","3","1") = "6"
    & skf21("7","5","6","2","5","4","4","1") = "6"
    & skf21("7","5","6","2","5","4","5","1") = "6"
    & skf21("7","5","6","2","5","4","6","1") = "6"
    & skf21("7","5","6","2","5","4","7","1") = "6"
    & skf21("7","5","6","2","5","5","1","1") = "6"
    & skf21("7","5","6","2","5","5","2","1") = "6"
    & skf21("7","5","6","2","5","5","3","1") = "6"
    & skf21("7","5","6","2","5","5","4","1") = "6"
    & skf21("7","5","6","2","5","5","5","1") = "6"
    & skf21("7","5","6","2","5","5","6","1") = "6"
    & skf21("7","5","6","2","5","5","7","1") = "6"
    & skf21("7","5","6","2","5","6","1","1") = "6"
    & skf21("7","5","6","2","5","6","2","1") = "6"
    & skf21("7","5","6","2","5","6","3","1") = "6"
    & skf21("7","5","6","2","5","6","4","1") = "6"
    & skf21("7","5","6","2","5","6","5","1") = "6"
    & skf21("7","5","6","2","5","6","6","1") = "6"
    & skf21("7","5","6","2","5","6","7","1") = "6"
    & skf21("7","5","6","2","5","7","1","1") = "6"
    & skf21("7","5","6","2","5","7","2","1") = "6"
    & skf21("7","5","6","2","5","7","3","1") = "6"
    & skf21("7","5","6","2","5","7","4","1") = "6"
    & skf21("7","5","6","2","5","7","5","1") = "6"
    & skf21("7","5","6","2","5","7","6","1") = "6"
    & skf21("7","5","6","2","5","7","7","1") = "6"
    & skf21("7","5","6","2","6","1","1","1") = "6"
    & skf21("7","5","6","2","6","1","2","1") = "6"
    & skf21("7","5","6","2","6","1","3","1") = "6"
    & skf21("7","5","6","2","6","1","4","1") = "6"
    & skf21("7","5","6","2","6","1","5","1") = "6"
    & skf21("7","5","6","2","6","1","6","1") = "6"
    & skf21("7","5","6","2","6","1","7","1") = "6"
    & skf21("7","5","6","2","6","2","1","1") = "6"
    & skf21("7","5","6","2","6","2","2","1") = "6"
    & skf21("7","5","6","2","6","2","3","1") = "6"
    & skf21("7","5","6","2","6","2","4","1") = "6"
    & skf21("7","5","6","2","6","2","5","1") = "6"
    & skf21("7","5","6","2","6","2","6","1") = "6"
    & skf21("7","5","6","2","6","2","7","1") = "6"
    & skf21("7","5","6","2","6","3","1","1") = "6"
    & skf21("7","5","6","2","6","3","2","1") = "6"
    & skf21("7","5","6","2","6","3","3","1") = "6"
    & skf21("7","5","6","2","6","3","4","1") = "6"
    & skf21("7","5","6","2","6","3","5","1") = "6"
    & skf21("7","5","6","2","6","3","6","1") = "6"
    & skf21("7","5","6","2","6","3","7","1") = "6"
    & skf21("7","5","6","2","6","4","1","1") = "6"
    & skf21("7","5","6","2","6","4","2","1") = "6"
    & skf21("7","5","6","2","6","4","3","1") = "6"
    & skf21("7","5","6","2","6","4","4","1") = "6"
    & skf21("7","5","6","2","6","4","5","1") = "6"
    & skf21("7","5","6","2","6","4","6","1") = "6"
    & skf21("7","5","6","2","6","4","7","1") = "6"
    & skf21("7","5","6","2","6","5","1","1") = "6"
    & skf21("7","5","6","2","6","5","2","1") = "6"
    & skf21("7","5","6","2","6","5","3","1") = "6"
    & skf21("7","5","6","2","6","5","4","1") = "6"
    & skf21("7","5","6","2","6","5","5","1") = "6"
    & skf21("7","5","6","2","6","5","6","1") = "6"
    & skf21("7","5","6","2","6","5","7","1") = "6"
    & skf21("7","5","6","2","6","6","1","1") = "6"
    & skf21("7","5","6","2","6","6","2","1") = "6"
    & skf21("7","5","6","2","6","6","3","1") = "6"
    & skf21("7","5","6","2","6","6","4","1") = "6"
    & skf21("7","5","6","2","6","6","5","1") = "6"
    & skf21("7","5","6","2","6","6","6","1") = "6"
    & skf21("7","5","6","2","6","6","7","1") = "6"
    & skf21("7","5","6","2","6","7","1","1") = "6"
    & skf21("7","5","6","2","6","7","2","1") = "6"
    & skf21("7","5","6","2","6","7","3","1") = "6"
    & skf21("7","5","6","2","6","7","4","1") = "6"
    & skf21("7","5","6","2","6","7","5","1") = "6"
    & skf21("7","5","6","2","6","7","6","1") = "6"
    & skf21("7","5","6","2","6","7","7","1") = "6"
    & skf21("7","5","6","2","7","1","1","1") = "6"
    & skf21("7","5","6","2","7","1","2","1") = "6"
    & skf21("7","5","6","2","7","1","3","1") = "6"
    & skf21("7","5","6","2","7","1","4","1") = "6"
    & skf21("7","5","6","2","7","1","5","1") = "6"
    & skf21("7","5","6","2","7","1","6","1") = "6"
    & skf21("7","5","6","2","7","1","7","1") = "6"
    & skf21("7","5","6","2","7","2","1","1") = "6"
    & skf21("7","5","6","2","7","2","2","1") = "6"
    & skf21("7","5","6","2","7","2","3","1") = "6"
    & skf21("7","5","6","2","7","2","4","1") = "6"
    & skf21("7","5","6","2","7","2","5","1") = "6"
    & skf21("7","5","6","2","7","2","6","1") = "6"
    & skf21("7","5","6","2","7","2","7","1") = "6"
    & skf21("7","5","6","2","7","3","1","1") = "6"
    & skf21("7","5","6","2","7","3","2","1") = "6"
    & skf21("7","5","6","2","7","3","3","1") = "6"
    & skf21("7","5","6","2","7","3","4","1") = "6"
    & skf21("7","5","6","2","7","3","5","1") = "6"
    & skf21("7","5","6","2","7","3","6","1") = "6"
    & skf21("7","5","6","2","7","3","7","1") = "6"
    & skf21("7","5","6","2","7","4","1","1") = "6"
    & skf21("7","5","6","2","7","4","2","1") = "6"
    & skf21("7","5","6","2","7","4","3","1") = "6"
    & skf21("7","5","6","2","7","4","4","1") = "6"
    & skf21("7","5","6","2","7","4","5","1") = "6"
    & skf21("7","5","6","2","7","4","6","1") = "6"
    & skf21("7","5","6","2","7","4","7","1") = "6"
    & skf21("7","5","6","2","7","5","1","1") = "6"
    & skf21("7","5","6","2","7","5","2","1") = "6"
    & skf21("7","5","6","2","7","5","3","1") = "6"
    & skf21("7","5","6","2","7","5","4","1") = "6"
    & skf21("7","5","6","2","7","5","5","1") = "6"
    & skf21("7","5","6","2","7","5","6","1") = "6"
    & skf21("7","5","6","2","7","5","7","1") = "6"
    & skf21("7","5","6","2","7","6","1","1") = "6"
    & skf21("7","5","6","2","7","6","2","1") = "6"
    & skf21("7","5","6","2","7","6","3","1") = "6"
    & skf21("7","5","6","2","7","6","4","1") = "6"
    & skf21("7","5","6","2","7","6","5","1") = "6"
    & skf21("7","5","6","2","7","6","6","1") = "6"
    & skf21("7","5","6","2","7","6","7","1") = "6"
    & skf21("7","5","6","2","7","7","1","1") = "6"
    & skf21("7","5","6","2","7","7","2","1") = "6"
    & skf21("7","5","6","2","7","7","3","1") = "6"
    & skf21("7","5","6","2","7","7","4","1") = "6"
    & skf21("7","5","6","2","7","7","5","1") = "6"
    & skf21("7","5","6","2","7","7","6","1") = "6"
    & skf21("7","5","6","2","7","7","7","1") = "6"
    & skf21("7","5","6","3","1","1","1","1") = "6"
    & skf21("7","5","6","3","1","1","2","1") = "6"
    & skf21("7","5","6","3","1","1","3","1") = "6"
    & skf21("7","5","6","3","1","1","4","1") = "6"
    & skf21("7","5","6","3","1","1","5","1") = "6"
    & skf21("7","5","6","3","1","1","6","1") = "6"
    & skf21("7","5","6","3","1","1","7","1") = "6"
    & skf21("7","5","6","3","1","2","1","1") = "6"
    & skf21("7","5","6","3","1","2","2","1") = "6"
    & skf21("7","5","6","3","1","2","3","1") = "6"
    & skf21("7","5","6","3","1","2","4","1") = "6"
    & skf21("7","5","6","3","1","2","5","1") = "6"
    & skf21("7","5","6","3","1","2","6","1") = "6"
    & skf21("7","5","6","3","1","2","7","1") = "6"
    & skf21("7","5","6","3","1","3","1","1") = "6"
    & skf21("7","5","6","3","1","3","2","1") = "6"
    & skf21("7","5","6","3","1","3","3","1") = "6"
    & skf21("7","5","6","3","1","3","4","1") = "6"
    & skf21("7","5","6","3","1","3","5","1") = "6"
    & skf21("7","5","6","3","1","3","6","1") = "6"
    & skf21("7","5","6","3","1","3","7","1") = "6"
    & skf21("7","5","6","3","1","4","1","1") = "6"
    & skf21("7","5","6","3","1","4","2","1") = "6"
    & skf21("7","5","6","3","1","4","3","1") = "6"
    & skf21("7","5","6","3","1","4","4","1") = "6"
    & skf21("7","5","6","3","1","4","5","1") = "6"
    & skf21("7","5","6","3","1","4","6","1") = "6"
    & skf21("7","5","6","3","1","4","7","1") = "6"
    & skf21("7","5","6","3","1","5","1","1") = "6"
    & skf21("7","5","6","3","1","5","2","1") = "6"
    & skf21("7","5","6","3","1","5","3","1") = "6"
    & skf21("7","5","6","3","1","5","4","1") = "6"
    & skf21("7","5","6","3","1","5","5","1") = "6"
    & skf21("7","5","6","3","1","5","6","1") = "6"
    & skf21("7","5","6","3","1","5","7","1") = "6"
    & skf21("7","5","6","3","1","6","1","1") = "6"
    & skf21("7","5","6","3","1","6","2","1") = "6"
    & skf21("7","5","6","3","1","6","3","1") = "6"
    & skf21("7","5","6","3","1","6","4","1") = "6"
    & skf21("7","5","6","3","1","6","5","1") = "6"
    & skf21("7","5","6","3","1","6","6","1") = "6"
    & skf21("7","5","6","3","1","6","7","1") = "6"
    & skf21("7","5","6","3","1","7","1","1") = "6"
    & skf21("7","5","6","3","1","7","2","1") = "6"
    & skf21("7","5","6","3","1","7","3","1") = "6"
    & skf21("7","5","6","3","1","7","4","1") = "6"
    & skf21("7","5","6","3","1","7","5","1") = "6"
    & skf21("7","5","6","3","1","7","6","1") = "6"
    & skf21("7","5","6","3","1","7","7","1") = "6"
    & skf21("7","5","6","3","2","1","1","1") = "6"
    & skf21("7","5","6","3","2","1","2","1") = "6"
    & skf21("7","5","6","3","2","1","3","1") = "6"
    & skf21("7","5","6","3","2","1","4","1") = "6"
    & skf21("7","5","6","3","2","1","5","1") = "6"
    & skf21("7","5","6","3","2","1","6","1") = "6"
    & skf21("7","5","6","3","2","1","7","1") = "6"
    & skf21("7","5","6","3","2","2","1","1") = "6"
    & skf21("7","5","6","3","2","2","2","1") = "6"
    & skf21("7","5","6","3","2","2","3","1") = "6"
    & skf21("7","5","6","3","2","2","4","1") = "6"
    & skf21("7","5","6","3","2","2","5","1") = "6"
    & skf21("7","5","6","3","2","2","6","1") = "6"
    & skf21("7","5","6","3","2","2","7","1") = "6"
    & skf21("7","5","6","3","2","3","1","1") = "6"
    & skf21("7","5","6","3","2","3","2","1") = "6"
    & skf21("7","5","6","3","2","3","3","1") = "6"
    & skf21("7","5","6","3","2","3","4","1") = "6"
    & skf21("7","5","6","3","2","3","5","1") = "6"
    & skf21("7","5","6","3","2","3","6","1") = "6"
    & skf21("7","5","6","3","2","3","7","1") = "6"
    & skf21("7","5","6","3","2","4","1","1") = "6"
    & skf21("7","5","6","3","2","4","2","1") = "6"
    & skf21("7","5","6","3","2","4","3","1") = "6"
    & skf21("7","5","6","3","2","4","4","1") = "6"
    & skf21("7","5","6","3","2","4","5","1") = "6"
    & skf21("7","5","6","3","2","4","6","1") = "6"
    & skf21("7","5","6","3","2","4","7","1") = "6"
    & skf21("7","5","6","3","2","5","1","1") = "6"
    & skf21("7","5","6","3","2","5","2","1") = "6"
    & skf21("7","5","6","3","2","5","3","1") = "6"
    & skf21("7","5","6","3","2","5","4","1") = "6"
    & skf21("7","5","6","3","2","5","5","1") = "6"
    & skf21("7","5","6","3","2","5","6","1") = "6"
    & skf21("7","5","6","3","2","5","7","1") = "6"
    & skf21("7","5","6","3","2","6","1","1") = "6"
    & skf21("7","5","6","3","2","6","2","1") = "6"
    & skf21("7","5","6","3","2","6","3","1") = "6"
    & skf21("7","5","6","3","2","6","4","1") = "6"
    & skf21("7","5","6","3","2","6","5","1") = "6"
    & skf21("7","5","6","3","2","6","6","1") = "6"
    & skf21("7","5","6","3","2","6","7","1") = "6"
    & skf21("7","5","6","3","2","7","1","1") = "6"
    & skf21("7","5","6","3","2","7","2","1") = "6"
    & skf21("7","5","6","3","2","7","3","1") = "6"
    & skf21("7","5","6","3","2","7","4","1") = "6"
    & skf21("7","5","6","3","2","7","5","1") = "6"
    & skf21("7","5","6","3","2","7","6","1") = "6"
    & skf21("7","5","6","3","2","7","7","1") = "6"
    & skf21("7","5","6","3","3","1","1","1") = "6"
    & skf21("7","5","6","3","3","1","2","1") = "6"
    & skf21("7","5","6","3","3","1","3","1") = "6"
    & skf21("7","5","6","3","3","1","4","1") = "6"
    & skf21("7","5","6","3","3","1","5","1") = "6"
    & skf21("7","5","6","3","3","1","6","1") = "6"
    & skf21("7","5","6","3","3","1","7","1") = "6"
    & skf21("7","5","6","3","3","2","1","1") = "6"
    & skf21("7","5","6","3","3","2","2","1") = "6"
    & skf21("7","5","6","3","3","2","3","1") = "6"
    & skf21("7","5","6","3","3","2","4","1") = "6"
    & skf21("7","5","6","3","3","2","5","1") = "6"
    & skf21("7","5","6","3","3","2","6","1") = "6"
    & skf21("7","5","6","3","3","2","7","1") = "6"
    & skf21("7","5","6","3","3","3","1","1") = "6"
    & skf21("7","5","6","3","3","3","2","1") = "6"
    & skf21("7","5","6","3","3","3","3","1") = "6"
    & skf21("7","5","6","3","3","3","4","1") = "6"
    & skf21("7","5","6","3","3","3","5","1") = "6"
    & skf21("7","5","6","3","3","3","6","1") = "6"
    & skf21("7","5","6","3","3","3","7","1") = "6"
    & skf21("7","5","6","3","3","4","1","1") = "6"
    & skf21("7","5","6","3","3","4","2","1") = "6"
    & skf21("7","5","6","3","3","4","3","1") = "6"
    & skf21("7","5","6","3","3","4","4","1") = "6"
    & skf21("7","5","6","3","3","4","5","1") = "6"
    & skf21("7","5","6","3","3","4","6","1") = "6"
    & skf21("7","5","6","3","3","4","7","1") = "6"
    & skf21("7","5","6","3","3","5","1","1") = "6"
    & skf21("7","5","6","3","3","5","2","1") = "6"
    & skf21("7","5","6","3","3","5","3","1") = "6"
    & skf21("7","5","6","3","3","5","4","1") = "6"
    & skf21("7","5","6","3","3","5","5","1") = "6"
    & skf21("7","5","6","3","3","5","6","1") = "6"
    & skf21("7","5","6","3","3","5","7","1") = "6"
    & skf21("7","5","6","3","3","6","1","1") = "6"
    & skf21("7","5","6","3","3","6","2","1") = "6"
    & skf21("7","5","6","3","3","6","3","1") = "6"
    & skf21("7","5","6","3","3","6","4","1") = "6"
    & skf21("7","5","6","3","3","6","5","1") = "6"
    & skf21("7","5","6","3","3","6","6","1") = "6"
    & skf21("7","5","6","3","3","6","7","1") = "6"
    & skf21("7","5","6","3","3","7","1","1") = "6"
    & skf21("7","5","6","3","3","7","2","1") = "6"
    & skf21("7","5","6","3","3","7","3","1") = "6"
    & skf21("7","5","6","3","3","7","4","1") = "6"
    & skf21("7","5","6","3","3","7","5","1") = "6"
    & skf21("7","5","6","3","3","7","6","1") = "6"
    & skf21("7","5","6","3","3","7","7","1") = "6"
    & skf21("7","5","6","3","4","1","1","1") = "6"
    & skf21("7","5","6","3","4","1","2","1") = "6"
    & skf21("7","5","6","3","4","1","3","1") = "6"
    & skf21("7","5","6","3","4","1","4","1") = "6"
    & skf21("7","5","6","3","4","1","5","1") = "6"
    & skf21("7","5","6","3","4","1","6","1") = "6"
    & skf21("7","5","6","3","4","1","7","1") = "6"
    & skf21("7","5","6","3","4","2","1","1") = "6"
    & skf21("7","5","6","3","4","2","2","1") = "6"
    & skf21("7","5","6","3","4","2","3","1") = "6"
    & skf21("7","5","6","3","4","2","4","1") = "6"
    & skf21("7","5","6","3","4","2","5","1") = "6"
    & skf21("7","5","6","3","4","2","6","1") = "6"
    & skf21("7","5","6","3","4","2","7","1") = "6"
    & skf21("7","5","6","3","4","3","1","1") = "6"
    & skf21("7","5","6","3","4","3","2","1") = "6"
    & skf21("7","5","6","3","4","3","3","1") = "6"
    & skf21("7","5","6","3","4","3","4","1") = "6"
    & skf21("7","5","6","3","4","3","5","1") = "6"
    & skf21("7","5","6","3","4","3","6","1") = "6"
    & skf21("7","5","6","3","4","3","7","1") = "6"
    & skf21("7","5","6","3","4","4","1","1") = "6"
    & skf21("7","5","6","3","4","4","2","1") = "6"
    & skf21("7","5","6","3","4","4","3","1") = "6"
    & skf21("7","5","6","3","4","4","4","1") = "6"
    & skf21("7","5","6","3","4","4","5","1") = "6"
    & skf21("7","5","6","3","4","4","6","1") = "6"
    & skf21("7","5","6","3","4","4","7","1") = "6"
    & skf21("7","5","6","3","4","5","1","1") = "6"
    & skf21("7","5","6","3","4","5","2","1") = "6"
    & skf21("7","5","6","3","4","5","3","1") = "6"
    & skf21("7","5","6","3","4","5","4","1") = "6"
    & skf21("7","5","6","3","4","5","5","1") = "6"
    & skf21("7","5","6","3","4","5","6","1") = "6"
    & skf21("7","5","6","3","4","5","7","1") = "6"
    & skf21("7","5","6","3","4","6","1","1") = "6"
    & skf21("7","5","6","3","4","6","2","1") = "6"
    & skf21("7","5","6","3","4","6","3","1") = "6"
    & skf21("7","5","6","3","4","6","4","1") = "6"
    & skf21("7","5","6","3","4","6","5","1") = "6"
    & skf21("7","5","6","3","4","6","6","1") = "6"
    & skf21("7","5","6","3","4","6","7","1") = "6"
    & skf21("7","5","6","3","4","7","1","1") = "6"
    & skf21("7","5","6","3","4","7","2","1") = "6"
    & skf21("7","5","6","3","4","7","3","1") = "6"
    & skf21("7","5","6","3","4","7","4","1") = "6"
    & skf21("7","5","6","3","4","7","5","1") = "6"
    & skf21("7","5","6","3","4","7","6","1") = "6"
    & skf21("7","5","6","3","4","7","7","1") = "6"
    & skf21("7","5","6","3","5","1","1","1") = "6"
    & skf21("7","5","6","3","5","1","2","1") = "6"
    & skf21("7","5","6","3","5","1","3","1") = "6"
    & skf21("7","5","6","3","5","1","4","1") = "6"
    & skf21("7","5","6","3","5","1","5","1") = "6"
    & skf21("7","5","6","3","5","1","6","1") = "6"
    & skf21("7","5","6","3","5","1","7","1") = "6"
    & skf21("7","5","6","3","5","2","1","1") = "6"
    & skf21("7","5","6","3","5","2","2","1") = "6"
    & skf21("7","5","6","3","5","2","3","1") = "6"
    & skf21("7","5","6","3","5","2","4","1") = "6"
    & skf21("7","5","6","3","5","2","5","1") = "6"
    & skf21("7","5","6","3","5","2","6","1") = "6"
    & skf21("7","5","6","3","5","2","7","1") = "6"
    & skf21("7","5","6","3","5","3","1","1") = "6"
    & skf21("7","5","6","3","5","3","2","1") = "6"
    & skf21("7","5","6","3","5","3","3","1") = "6"
    & skf21("7","5","6","3","5","3","4","1") = "6"
    & skf21("7","5","6","3","5","3","5","1") = "6"
    & skf21("7","5","6","3","5","3","6","1") = "6"
    & skf21("7","5","6","3","5","3","7","1") = "6"
    & skf21("7","5","6","3","5","4","1","1") = "6"
    & skf21("7","5","6","3","5","4","2","1") = "6"
    & skf21("7","5","6","3","5","4","3","1") = "6"
    & skf21("7","5","6","3","5","4","4","1") = "6"
    & skf21("7","5","6","3","5","4","5","1") = "6"
    & skf21("7","5","6","3","5","4","6","1") = "6"
    & skf21("7","5","6","3","5","4","7","1") = "6"
    & skf21("7","5","6","3","5","5","1","1") = "6"
    & skf21("7","5","6","3","5","5","2","1") = "6"
    & skf21("7","5","6","3","5","5","3","1") = "6"
    & skf21("7","5","6","3","5","5","4","1") = "6"
    & skf21("7","5","6","3","5","5","5","1") = "6"
    & skf21("7","5","6","3","5","5","6","1") = "6"
    & skf21("7","5","6","3","5","5","7","1") = "6"
    & skf21("7","5","6","3","5","6","1","1") = "6"
    & skf21("7","5","6","3","5","6","2","1") = "6"
    & skf21("7","5","6","3","5","6","3","1") = "6"
    & skf21("7","5","6","3","5","6","4","1") = "6"
    & skf21("7","5","6","3","5","6","5","1") = "6"
    & skf21("7","5","6","3","5","6","6","1") = "6"
    & skf21("7","5","6","3","5","6","7","1") = "6"
    & skf21("7","5","6","3","5","7","1","1") = "6"
    & skf21("7","5","6","3","5","7","2","1") = "6"
    & skf21("7","5","6","3","5","7","3","1") = "6"
    & skf21("7","5","6","3","5","7","4","1") = "6"
    & skf21("7","5","6","3","5","7","5","1") = "6"
    & skf21("7","5","6","3","5","7","6","1") = "6"
    & skf21("7","5","6","3","5","7","7","1") = "6"
    & skf21("7","5","6","3","6","1","1","1") = "6"
    & skf21("7","5","6","3","6","1","2","1") = "6"
    & skf21("7","5","6","3","6","1","3","1") = "6"
    & skf21("7","5","6","3","6","1","4","1") = "6"
    & skf21("7","5","6","3","6","1","5","1") = "6"
    & skf21("7","5","6","3","6","1","6","1") = "6"
    & skf21("7","5","6","3","6","1","7","1") = "6"
    & skf21("7","5","6","3","6","2","1","1") = "6"
    & skf21("7","5","6","3","6","2","2","1") = "6"
    & skf21("7","5","6","3","6","2","3","1") = "6"
    & skf21("7","5","6","3","6","2","4","1") = "6"
    & skf21("7","5","6","3","6","2","5","1") = "6"
    & skf21("7","5","6","3","6","2","6","1") = "6"
    & skf21("7","5","6","3","6","2","7","1") = "6"
    & skf21("7","5","6","3","6","3","1","1") = "6"
    & skf21("7","5","6","3","6","3","2","1") = "6"
    & skf21("7","5","6","3","6","3","3","1") = "6"
    & skf21("7","5","6","3","6","3","4","1") = "6"
    & skf21("7","5","6","3","6","3","5","1") = "6"
    & skf21("7","5","6","3","6","3","6","1") = "6"
    & skf21("7","5","6","3","6","3","7","1") = "6"
    & skf21("7","5","6","3","6","4","1","1") = "6"
    & skf21("7","5","6","3","6","4","2","1") = "6"
    & skf21("7","5","6","3","6","4","3","1") = "6"
    & skf21("7","5","6","3","6","4","4","1") = "6"
    & skf21("7","5","6","3","6","4","5","1") = "6"
    & skf21("7","5","6","3","6","4","6","1") = "6"
    & skf21("7","5","6","3","6","4","7","1") = "6"
    & skf21("7","5","6","3","6","5","1","1") = "6"
    & skf21("7","5","6","3","6","5","2","1") = "6"
    & skf21("7","5","6","3","6","5","3","1") = "6"
    & skf21("7","5","6","3","6","5","4","1") = "6"
    & skf21("7","5","6","3","6","5","5","1") = "6"
    & skf21("7","5","6","3","6","5","6","1") = "6"
    & skf21("7","5","6","3","6","5","7","1") = "6"
    & skf21("7","5","6","3","6","6","1","1") = "6"
    & skf21("7","5","6","3","6","6","2","1") = "6"
    & skf21("7","5","6","3","6","6","3","1") = "6"
    & skf21("7","5","6","3","6","6","4","1") = "6"
    & skf21("7","5","6","3","6","6","5","1") = "6"
    & skf21("7","5","6","3","6","6","6","1") = "6"
    & skf21("7","5","6","3","6","6","7","1") = "6"
    & skf21("7","5","6","3","6","7","1","1") = "6"
    & skf21("7","5","6","3","6","7","2","1") = "6"
    & skf21("7","5","6","3","6","7","3","1") = "6"
    & skf21("7","5","6","3","6","7","4","1") = "6"
    & skf21("7","5","6","3","6","7","5","1") = "6"
    & skf21("7","5","6","3","6","7","6","1") = "6"
    & skf21("7","5","6","3","6","7","7","1") = "6"
    & skf21("7","5","6","3","7","1","1","1") = "6"
    & skf21("7","5","6","3","7","1","2","1") = "6"
    & skf21("7","5","6","3","7","1","3","1") = "6"
    & skf21("7","5","6","3","7","1","4","1") = "6"
    & skf21("7","5","6","3","7","1","5","1") = "6"
    & skf21("7","5","6","3","7","1","6","1") = "6"
    & skf21("7","5","6","3","7","1","7","1") = "6"
    & skf21("7","5","6","3","7","2","1","1") = "6"
    & skf21("7","5","6","3","7","2","2","1") = "6"
    & skf21("7","5","6","3","7","2","3","1") = "6"
    & skf21("7","5","6","3","7","2","4","1") = "6"
    & skf21("7","5","6","3","7","2","5","1") = "6"
    & skf21("7","5","6","3","7","2","6","1") = "6"
    & skf21("7","5","6","3","7","2","7","1") = "6"
    & skf21("7","5","6","3","7","3","1","1") = "6"
    & skf21("7","5","6","3","7","3","2","1") = "6"
    & skf21("7","5","6","3","7","3","3","1") = "6"
    & skf21("7","5","6","3","7","3","4","1") = "6"
    & skf21("7","5","6","3","7","3","5","1") = "6"
    & skf21("7","5","6","3","7","3","6","1") = "6"
    & skf21("7","5","6","3","7","3","7","1") = "6"
    & skf21("7","5","6","3","7","4","1","1") = "6"
    & skf21("7","5","6","3","7","4","2","1") = "6"
    & skf21("7","5","6","3","7","4","3","1") = "6"
    & skf21("7","5","6","3","7","4","4","1") = "6"
    & skf21("7","5","6","3","7","4","5","1") = "6"
    & skf21("7","5","6","3","7","4","6","1") = "6"
    & skf21("7","5","6","3","7","4","7","1") = "6"
    & skf21("7","5","6","3","7","5","1","1") = "6"
    & skf21("7","5","6","3","7","5","2","1") = "6"
    & skf21("7","5","6","3","7","5","3","1") = "6"
    & skf21("7","5","6","3","7","5","4","1") = "6"
    & skf21("7","5","6","3","7","5","5","1") = "6"
    & skf21("7","5","6","3","7","5","6","1") = "6"
    & skf21("7","5","6","3","7","5","7","1") = "6"
    & skf21("7","5","6","3","7","6","1","1") = "6"
    & skf21("7","5","6","3","7","6","2","1") = "6"
    & skf21("7","5","6","3","7","6","3","1") = "6"
    & skf21("7","5","6","3","7","6","4","1") = "6"
    & skf21("7","5","6","3","7","6","5","1") = "6"
    & skf21("7","5","6","3","7","6","6","1") = "6"
    & skf21("7","5","6","3","7","6","7","1") = "6"
    & skf21("7","5","6","3","7","7","1","1") = "6"
    & skf21("7","5","6","3","7","7","2","1") = "6"
    & skf21("7","5","6","3","7","7","3","1") = "6"
    & skf21("7","5","6","3","7","7","4","1") = "6"
    & skf21("7","5","6","3","7","7","5","1") = "6"
    & skf21("7","5","6","3","7","7","6","1") = "6"
    & skf21("7","5","6","3","7","7","7","1") = "6"
    & skf21("7","5","6","4","1","1","1","1") = "6"
    & skf21("7","5","6","4","1","1","2","1") = "6"
    & skf21("7","5","6","4","1","1","3","1") = "6"
    & skf21("7","5","6","4","1","1","4","1") = "6"
    & skf21("7","5","6","4","1","1","5","1") = "6"
    & skf21("7","5","6","4","1","1","6","1") = "6"
    & skf21("7","5","6","4","1","1","7","1") = "6"
    & skf21("7","5","6","4","1","2","1","1") = "6"
    & skf21("7","5","6","4","1","2","2","1") = "6"
    & skf21("7","5","6","4","1","2","3","1") = "6"
    & skf21("7","5","6","4","1","2","4","1") = "6"
    & skf21("7","5","6","4","1","2","5","1") = "6"
    & skf21("7","5","6","4","1","2","6","1") = "6"
    & skf21("7","5","6","4","1","2","7","1") = "6"
    & skf21("7","5","6","4","1","3","1","1") = "6"
    & skf21("7","5","6","4","1","3","2","1") = "6"
    & skf21("7","5","6","4","1","3","3","1") = "6"
    & skf21("7","5","6","4","1","3","4","1") = "6"
    & skf21("7","5","6","4","1","3","5","1") = "6"
    & skf21("7","5","6","4","1","3","6","1") = "6"
    & skf21("7","5","6","4","1","3","7","1") = "6"
    & skf21("7","5","6","4","1","4","1","1") = "6"
    & skf21("7","5","6","4","1","4","2","1") = "6"
    & skf21("7","5","6","4","1","4","3","1") = "6"
    & skf21("7","5","6","4","1","4","4","1") = "6"
    & skf21("7","5","6","4","1","4","5","1") = "6"
    & skf21("7","5","6","4","1","4","6","1") = "6"
    & skf21("7","5","6","4","1","4","7","1") = "6"
    & skf21("7","5","6","4","1","5","1","1") = "6"
    & skf21("7","5","6","4","1","5","2","1") = "6"
    & skf21("7","5","6","4","1","5","3","1") = "6"
    & skf21("7","5","6","4","1","5","4","1") = "6"
    & skf21("7","5","6","4","1","5","5","1") = "6"
    & skf21("7","5","6","4","1","5","6","1") = "6"
    & skf21("7","5","6","4","1","5","7","1") = "6"
    & skf21("7","5","6","4","1","6","1","1") = "6"
    & skf21("7","5","6","4","1","6","2","1") = "6"
    & skf21("7","5","6","4","1","6","3","1") = "6"
    & skf21("7","5","6","4","1","6","4","1") = "6"
    & skf21("7","5","6","4","1","6","5","1") = "6"
    & skf21("7","5","6","4","1","6","6","1") = "6"
    & skf21("7","5","6","4","1","6","7","1") = "6"
    & skf21("7","5","6","4","1","7","1","1") = "6"
    & skf21("7","5","6","4","1","7","2","1") = "6"
    & skf21("7","5","6","4","1","7","3","1") = "6"
    & skf21("7","5","6","4","1","7","4","1") = "6"
    & skf21("7","5","6","4","1","7","5","1") = "6"
    & skf21("7","5","6","4","1","7","6","1") = "6"
    & skf21("7","5","6","4","1","7","7","1") = "6"
    & skf21("7","5","6","4","2","1","1","1") = "6"
    & skf21("7","5","6","4","2","1","2","1") = "6"
    & skf21("7","5","6","4","2","1","3","1") = "6"
    & skf21("7","5","6","4","2","1","4","1") = "6"
    & skf21("7","5","6","4","2","1","5","1") = "6"
    & skf21("7","5","6","4","2","1","6","1") = "6"
    & skf21("7","5","6","4","2","1","7","1") = "6"
    & skf21("7","5","6","4","2","2","1","1") = "6"
    & skf21("7","5","6","4","2","2","2","1") = "6"
    & skf21("7","5","6","4","2","2","3","1") = "6"
    & skf21("7","5","6","4","2","2","4","1") = "6"
    & skf21("7","5","6","4","2","2","5","1") = "6"
    & skf21("7","5","6","4","2","2","6","1") = "6"
    & skf21("7","5","6","4","2","2","7","1") = "6"
    & skf21("7","5","6","4","2","3","1","1") = "6"
    & skf21("7","5","6","4","2","3","2","1") = "6"
    & skf21("7","5","6","4","2","3","3","1") = "6"
    & skf21("7","5","6","4","2","3","4","1") = "6"
    & skf21("7","5","6","4","2","3","5","1") = "6"
    & skf21("7","5","6","4","2","3","6","1") = "6"
    & skf21("7","5","6","4","2","3","7","1") = "6"
    & skf21("7","5","6","4","2","4","1","1") = "6"
    & skf21("7","5","6","4","2","4","2","1") = "6"
    & skf21("7","5","6","4","2","4","3","1") = "6"
    & skf21("7","5","6","4","2","4","4","1") = "6"
    & skf21("7","5","6","4","2","4","5","1") = "6"
    & skf21("7","5","6","4","2","4","6","1") = "6"
    & skf21("7","5","6","4","2","4","7","1") = "6"
    & skf21("7","5","6","4","2","5","1","1") = "6"
    & skf21("7","5","6","4","2","5","2","1") = "6"
    & skf21("7","5","6","4","2","5","3","1") = "6"
    & skf21("7","5","6","4","2","5","4","1") = "6"
    & skf21("7","5","6","4","2","5","5","1") = "6"
    & skf21("7","5","6","4","2","5","6","1") = "6"
    & skf21("7","5","6","4","2","5","7","1") = "6"
    & skf21("7","5","6","4","2","6","1","1") = "6"
    & skf21("7","5","6","4","2","6","2","1") = "6"
    & skf21("7","5","6","4","2","6","3","1") = "6"
    & skf21("7","5","6","4","2","6","4","1") = "6"
    & skf21("7","5","6","4","2","6","5","1") = "6"
    & skf21("7","5","6","4","2","6","6","1") = "6"
    & skf21("7","5","6","4","2","6","7","1") = "6"
    & skf21("7","5","6","4","2","7","1","1") = "6"
    & skf21("7","5","6","4","2","7","2","1") = "6"
    & skf21("7","5","6","4","2","7","3","1") = "6"
    & skf21("7","5","6","4","2","7","4","1") = "6"
    & skf21("7","5","6","4","2","7","5","1") = "6"
    & skf21("7","5","6","4","2","7","6","1") = "6"
    & skf21("7","5","6","4","2","7","7","1") = "6"
    & skf21("7","5","6","4","3","1","1","1") = "6"
    & skf21("7","5","6","4","3","1","2","1") = "6"
    & skf21("7","5","6","4","3","1","3","1") = "6"
    & skf21("7","5","6","4","3","1","4","1") = "6"
    & skf21("7","5","6","4","3","1","5","1") = "6"
    & skf21("7","5","6","4","3","1","6","1") = "6"
    & skf21("7","5","6","4","3","1","7","1") = "6"
    & skf21("7","5","6","4","3","2","1","1") = "6"
    & skf21("7","5","6","4","3","2","2","1") = "6"
    & skf21("7","5","6","4","3","2","3","1") = "6"
    & skf21("7","5","6","4","3","2","4","1") = "6"
    & skf21("7","5","6","4","3","2","5","1") = "6"
    & skf21("7","5","6","4","3","2","6","1") = "6"
    & skf21("7","5","6","4","3","2","7","1") = "6"
    & skf21("7","5","6","4","3","3","1","1") = "6"
    & skf21("7","5","6","4","3","3","2","1") = "6"
    & skf21("7","5","6","4","3","3","3","1") = "6"
    & skf21("7","5","6","4","3","3","4","1") = "6"
    & skf21("7","5","6","4","3","3","5","1") = "6"
    & skf21("7","5","6","4","3","3","6","1") = "6"
    & skf21("7","5","6","4","3","3","7","1") = "6"
    & skf21("7","5","6","4","3","4","1","1") = "6"
    & skf21("7","5","6","4","3","4","2","1") = "6"
    & skf21("7","5","6","4","3","4","3","1") = "6"
    & skf21("7","5","6","4","3","4","4","1") = "6"
    & skf21("7","5","6","4","3","4","5","1") = "6"
    & skf21("7","5","6","4","3","4","6","1") = "6"
    & skf21("7","5","6","4","3","4","7","1") = "6"
    & skf21("7","5","6","4","3","5","1","1") = "6"
    & skf21("7","5","6","4","3","5","2","1") = "6"
    & skf21("7","5","6","4","3","5","3","1") = "6"
    & skf21("7","5","6","4","3","5","4","1") = "6"
    & skf21("7","5","6","4","3","5","5","1") = "6"
    & skf21("7","5","6","4","3","5","6","1") = "6"
    & skf21("7","5","6","4","3","5","7","1") = "6"
    & skf21("7","5","6","4","3","6","1","1") = "6"
    & skf21("7","5","6","4","3","6","2","1") = "6"
    & skf21("7","5","6","4","3","6","3","1") = "6"
    & skf21("7","5","6","4","3","6","4","1") = "6"
    & skf21("7","5","6","4","3","6","5","1") = "6"
    & skf21("7","5","6","4","3","6","6","1") = "6"
    & skf21("7","5","6","4","3","6","7","1") = "6"
    & skf21("7","5","6","4","3","7","1","1") = "6"
    & skf21("7","5","6","4","3","7","2","1") = "6"
    & skf21("7","5","6","4","3","7","3","1") = "6"
    & skf21("7","5","6","4","3","7","4","1") = "6"
    & skf21("7","5","6","4","3","7","5","1") = "6"
    & skf21("7","5","6","4","3","7","6","1") = "6"
    & skf21("7","5","6","4","3","7","7","1") = "6"
    & skf21("7","5","6","4","4","1","1","1") = "6"
    & skf21("7","5","6","4","4","1","2","1") = "6"
    & skf21("7","5","6","4","4","1","3","1") = "6"
    & skf21("7","5","6","4","4","1","4","1") = "6"
    & skf21("7","5","6","4","4","1","5","1") = "6"
    & skf21("7","5","6","4","4","1","6","1") = "6"
    & skf21("7","5","6","4","4","1","7","1") = "6"
    & skf21("7","5","6","4","4","2","1","1") = "6"
    & skf21("7","5","6","4","4","2","2","1") = "6"
    & skf21("7","5","6","4","4","2","3","1") = "6"
    & skf21("7","5","6","4","4","2","4","1") = "6"
    & skf21("7","5","6","4","4","2","5","1") = "6"
    & skf21("7","5","6","4","4","2","6","1") = "6"
    & skf21("7","5","6","4","4","2","7","1") = "6"
    & skf21("7","5","6","4","4","3","1","1") = "6"
    & skf21("7","5","6","4","4","3","2","1") = "6"
    & skf21("7","5","6","4","4","3","3","1") = "6"
    & skf21("7","5","6","4","4","3","4","1") = "6"
    & skf21("7","5","6","4","4","3","5","1") = "6"
    & skf21("7","5","6","4","4","3","6","1") = "6"
    & skf21("7","5","6","4","4","3","7","1") = "6"
    & skf21("7","5","6","4","4","4","1","1") = "6"
    & skf21("7","5","6","4","4","4","2","1") = "6"
    & skf21("7","5","6","4","4","4","3","1") = "6"
    & skf21("7","5","6","4","4","4","4","1") = "6"
    & skf21("7","5","6","4","4","4","5","1") = "6"
    & skf21("7","5","6","4","4","4","6","1") = "6"
    & skf21("7","5","6","4","4","4","7","1") = "6"
    & skf21("7","5","6","4","4","5","1","1") = "6"
    & skf21("7","5","6","4","4","5","2","1") = "6"
    & skf21("7","5","6","4","4","5","3","1") = "6"
    & skf21("7","5","6","4","4","5","4","1") = "6"
    & skf21("7","5","6","4","4","5","5","1") = "6"
    & skf21("7","5","6","4","4","5","6","1") = "6"
    & skf21("7","5","6","4","4","5","7","1") = "6"
    & skf21("7","5","6","4","4","6","1","1") = "6"
    & skf21("7","5","6","4","4","6","2","1") = "6"
    & skf21("7","5","6","4","4","6","3","1") = "6"
    & skf21("7","5","6","4","4","6","4","1") = "6"
    & skf21("7","5","6","4","4","6","5","1") = "6"
    & skf21("7","5","6","4","4","6","6","1") = "6"
    & skf21("7","5","6","4","4","6","7","1") = "6"
    & skf21("7","5","6","4","4","7","1","1") = "6"
    & skf21("7","5","6","4","4","7","2","1") = "6"
    & skf21("7","5","6","4","4","7","3","1") = "6"
    & skf21("7","5","6","4","4","7","4","1") = "6"
    & skf21("7","5","6","4","4","7","5","1") = "6"
    & skf21("7","5","6","4","4","7","6","1") = "6"
    & skf21("7","5","6","4","4","7","7","1") = "6"
    & skf21("7","5","6","4","5","1","1","1") = "6"
    & skf21("7","5","6","4","5","1","2","1") = "6"
    & skf21("7","5","6","4","5","1","3","1") = "6"
    & skf21("7","5","6","4","5","1","4","1") = "6"
    & skf21("7","5","6","4","5","1","5","1") = "6"
    & skf21("7","5","6","4","5","1","6","1") = "6"
    & skf21("7","5","6","4","5","1","7","1") = "6"
    & skf21("7","5","6","4","5","2","1","1") = "6"
    & skf21("7","5","6","4","5","2","2","1") = "6"
    & skf21("7","5","6","4","5","2","3","1") = "6"
    & skf21("7","5","6","4","5","2","4","1") = "6"
    & skf21("7","5","6","4","5","2","5","1") = "6"
    & skf21("7","5","6","4","5","2","6","1") = "6"
    & skf21("7","5","6","4","5","2","7","1") = "6"
    & skf21("7","5","6","4","5","3","1","1") = "6"
    & skf21("7","5","6","4","5","3","2","1") = "6"
    & skf21("7","5","6","4","5","3","3","1") = "6"
    & skf21("7","5","6","4","5","3","4","1") = "6"
    & skf21("7","5","6","4","5","3","5","1") = "6"
    & skf21("7","5","6","4","5","3","6","1") = "6"
    & skf21("7","5","6","4","5","3","7","1") = "6"
    & skf21("7","5","6","4","5","4","1","1") = "6"
    & skf21("7","5","6","4","5","4","2","1") = "6"
    & skf21("7","5","6","4","5","4","3","1") = "6"
    & skf21("7","5","6","4","5","4","4","1") = "6"
    & skf21("7","5","6","4","5","4","5","1") = "6"
    & skf21("7","5","6","4","5","4","6","1") = "6"
    & skf21("7","5","6","4","5","4","7","1") = "6"
    & skf21("7","5","6","4","5","5","1","1") = "6"
    & skf21("7","5","6","4","5","5","2","1") = "6"
    & skf21("7","5","6","4","5","5","3","1") = "6"
    & skf21("7","5","6","4","5","5","4","1") = "6"
    & skf21("7","5","6","4","5","5","5","1") = "6"
    & skf21("7","5","6","4","5","5","6","1") = "6"
    & skf21("7","5","6","4","5","5","7","1") = "6"
    & skf21("7","5","6","4","5","6","1","1") = "6"
    & skf21("7","5","6","4","5","6","2","1") = "6"
    & skf21("7","5","6","4","5","6","3","1") = "6"
    & skf21("7","5","6","4","5","6","4","1") = "6"
    & skf21("7","5","6","4","5","6","5","1") = "6"
    & skf21("7","5","6","4","5","6","6","1") = "6"
    & skf21("7","5","6","4","5","6","7","1") = "6"
    & skf21("7","5","6","4","5","7","1","1") = "6"
    & skf21("7","5","6","4","5","7","2","1") = "6"
    & skf21("7","5","6","4","5","7","3","1") = "6"
    & skf21("7","5","6","4","5","7","4","1") = "6"
    & skf21("7","5","6","4","5","7","5","1") = "6"
    & skf21("7","5","6","4","5","7","6","1") = "6"
    & skf21("7","5","6","4","5","7","7","1") = "6"
    & skf21("7","5","6","4","6","1","1","1") = "6"
    & skf21("7","5","6","4","6","1","2","1") = "6"
    & skf21("7","5","6","4","6","1","3","1") = "6"
    & skf21("7","5","6","4","6","1","4","1") = "6"
    & skf21("7","5","6","4","6","1","5","1") = "6"
    & skf21("7","5","6","4","6","1","6","1") = "6"
    & skf21("7","5","6","4","6","1","7","1") = "6"
    & skf21("7","5","6","4","6","2","1","1") = "6"
    & skf21("7","5","6","4","6","2","2","1") = "6"
    & skf21("7","5","6","4","6","2","3","1") = "6"
    & skf21("7","5","6","4","6","2","4","1") = "6"
    & skf21("7","5","6","4","6","2","5","1") = "6"
    & skf21("7","5","6","4","6","2","6","1") = "6"
    & skf21("7","5","6","4","6","2","7","1") = "6"
    & skf21("7","5","6","4","6","3","1","1") = "6"
    & skf21("7","5","6","4","6","3","2","1") = "6"
    & skf21("7","5","6","4","6","3","3","1") = "6"
    & skf21("7","5","6","4","6","3","4","1") = "6"
    & skf21("7","5","6","4","6","3","5","1") = "6"
    & skf21("7","5","6","4","6","3","6","1") = "6"
    & skf21("7","5","6","4","6","3","7","1") = "6"
    & skf21("7","5","6","4","6","4","1","1") = "6"
    & skf21("7","5","6","4","6","4","2","1") = "6"
    & skf21("7","5","6","4","6","4","3","1") = "6"
    & skf21("7","5","6","4","6","4","4","1") = "6"
    & skf21("7","5","6","4","6","4","5","1") = "6"
    & skf21("7","5","6","4","6","4","6","1") = "6"
    & skf21("7","5","6","4","6","4","7","1") = "6"
    & skf21("7","5","6","4","6","5","1","1") = "6"
    & skf21("7","5","6","4","6","5","2","1") = "6"
    & skf21("7","5","6","4","6","5","3","1") = "6"
    & skf21("7","5","6","4","6","5","4","1") = "6"
    & skf21("7","5","6","4","6","5","5","1") = "6"
    & skf21("7","5","6","4","6","5","6","1") = "6"
    & skf21("7","5","6","4","6","5","7","1") = "6"
    & skf21("7","5","6","4","6","6","1","1") = "6"
    & skf21("7","5","6","4","6","6","2","1") = "6"
    & skf21("7","5","6","4","6","6","3","1") = "6"
    & skf21("7","5","6","4","6","6","4","1") = "6"
    & skf21("7","5","6","4","6","6","5","1") = "6"
    & skf21("7","5","6","4","6","6","6","1") = "6"
    & skf21("7","5","6","4","6","6","7","1") = "6"
    & skf21("7","5","6","4","6","7","1","1") = "6"
    & skf21("7","5","6","4","6","7","2","1") = "6"
    & skf21("7","5","6","4","6","7","3","1") = "6"
    & skf21("7","5","6","4","6","7","4","1") = "6"
    & skf21("7","5","6","4","6","7","5","1") = "6"
    & skf21("7","5","6","4","6","7","6","1") = "6"
    & skf21("7","5","6","4","6","7","7","1") = "6"
    & skf21("7","5","6","4","7","1","1","1") = "6"
    & skf21("7","5","6","4","7","1","2","1") = "6"
    & skf21("7","5","6","4","7","1","3","1") = "6"
    & skf21("7","5","6","4","7","1","4","1") = "6"
    & skf21("7","5","6","4","7","1","5","1") = "6"
    & skf21("7","5","6","4","7","1","6","1") = "6"
    & skf21("7","5","6","4","7","1","7","1") = "6"
    & skf21("7","5","6","4","7","2","1","1") = "6"
    & skf21("7","5","6","4","7","2","2","1") = "6"
    & skf21("7","5","6","4","7","2","3","1") = "6"
    & skf21("7","5","6","4","7","2","4","1") = "6"
    & skf21("7","5","6","4","7","2","5","1") = "6"
    & skf21("7","5","6","4","7","2","6","1") = "6"
    & skf21("7","5","6","4","7","2","7","1") = "6"
    & skf21("7","5","6","4","7","3","1","1") = "6"
    & skf21("7","5","6","4","7","3","2","1") = "6"
    & skf21("7","5","6","4","7","3","3","1") = "6"
    & skf21("7","5","6","4","7","3","4","1") = "6"
    & skf21("7","5","6","4","7","3","5","1") = "6"
    & skf21("7","5","6","4","7","3","6","1") = "6"
    & skf21("7","5","6","4","7","3","7","1") = "6"
    & skf21("7","5","6","4","7","4","1","1") = "6"
    & skf21("7","5","6","4","7","4","2","1") = "6"
    & skf21("7","5","6","4","7","4","3","1") = "6"
    & skf21("7","5","6","4","7","4","4","1") = "6"
    & skf21("7","5","6","4","7","4","5","1") = "6"
    & skf21("7","5","6","4","7","4","6","1") = "6"
    & skf21("7","5","6","4","7","4","7","1") = "6"
    & skf21("7","5","6","4","7","5","1","1") = "6"
    & skf21("7","5","6","4","7","5","2","1") = "6"
    & skf21("7","5","6","4","7","5","3","1") = "6"
    & skf21("7","5","6","4","7","5","4","1") = "6"
    & skf21("7","5","6","4","7","5","5","1") = "6"
    & skf21("7","5","6","4","7","5","6","1") = "6"
    & skf21("7","5","6","4","7","5","7","1") = "6"
    & skf21("7","5","6","4","7","6","1","1") = "6"
    & skf21("7","5","6","4","7","6","2","1") = "6"
    & skf21("7","5","6","4","7","6","3","1") = "6"
    & skf21("7","5","6","4","7","6","4","1") = "6"
    & skf21("7","5","6","4","7","6","5","1") = "6"
    & skf21("7","5","6","4","7","6","6","1") = "6"
    & skf21("7","5","6","4","7","6","7","1") = "6"
    & skf21("7","5","6","4","7","7","1","1") = "6"
    & skf21("7","5","6","4","7","7","2","1") = "6"
    & skf21("7","5","6","4","7","7","3","1") = "6"
    & skf21("7","5","6","4","7","7","4","1") = "6"
    & skf21("7","5","6","4","7","7","5","1") = "6"
    & skf21("7","5","6","4","7","7","6","1") = "6"
    & skf21("7","5","6","4","7","7","7","1") = "6"
    & skf21("7","5","6","5","1","1","1","1") = "6"
    & skf21("7","5","6","5","1","1","2","1") = "6"
    & skf21("7","5","6","5","1","1","3","1") = "6"
    & skf21("7","5","6","5","1","1","4","1") = "6"
    & skf21("7","5","6","5","1","1","5","1") = "6"
    & skf21("7","5","6","5","1","1","6","1") = "6"
    & skf21("7","5","6","5","1","1","7","1") = "6"
    & skf21("7","5","6","5","1","2","1","1") = "6"
    & skf21("7","5","6","5","1","2","2","1") = "6"
    & skf21("7","5","6","5","1","2","3","1") = "6"
    & skf21("7","5","6","5","1","2","4","1") = "6"
    & skf21("7","5","6","5","1","2","5","1") = "6"
    & skf21("7","5","6","5","1","2","6","1") = "6"
    & skf21("7","5","6","5","1","2","7","1") = "6"
    & skf21("7","5","6","5","1","3","1","1") = "6"
    & skf21("7","5","6","5","1","3","2","1") = "6"
    & skf21("7","5","6","5","1","3","3","1") = "6"
    & skf21("7","5","6","5","1","3","4","1") = "6"
    & skf21("7","5","6","5","1","3","5","1") = "6"
    & skf21("7","5","6","5","1","3","6","1") = "6"
    & skf21("7","5","6","5","1","3","7","1") = "6"
    & skf21("7","5","6","5","1","4","1","1") = "6"
    & skf21("7","5","6","5","1","4","2","1") = "6"
    & skf21("7","5","6","5","1","4","3","1") = "6"
    & skf21("7","5","6","5","1","4","4","1") = "6"
    & skf21("7","5","6","5","1","4","5","1") = "6"
    & skf21("7","5","6","5","1","4","6","1") = "6"
    & skf21("7","5","6","5","1","4","7","1") = "6"
    & skf21("7","5","6","5","1","5","1","1") = "6"
    & skf21("7","5","6","5","1","5","2","1") = "6"
    & skf21("7","5","6","5","1","5","3","1") = "6"
    & skf21("7","5","6","5","1","5","4","1") = "6"
    & skf21("7","5","6","5","1","5","5","1") = "6"
    & skf21("7","5","6","5","1","5","6","1") = "6"
    & skf21("7","5","6","5","1","5","7","1") = "6"
    & skf21("7","5","6","5","1","6","1","1") = "6"
    & skf21("7","5","6","5","1","6","2","1") = "6"
    & skf21("7","5","6","5","1","6","3","1") = "6"
    & skf21("7","5","6","5","1","6","4","1") = "6"
    & skf21("7","5","6","5","1","6","5","1") = "6"
    & skf21("7","5","6","5","1","6","6","1") = "6"
    & skf21("7","5","6","5","1","6","7","1") = "6"
    & skf21("7","5","6","5","1","7","1","1") = "6"
    & skf21("7","5","6","5","1","7","2","1") = "6"
    & skf21("7","5","6","5","1","7","3","1") = "6"
    & skf21("7","5","6","5","1","7","4","1") = "6"
    & skf21("7","5","6","5","1","7","5","1") = "6"
    & skf21("7","5","6","5","1","7","6","1") = "6"
    & skf21("7","5","6","5","1","7","7","1") = "6"
    & skf21("7","5","6","5","2","1","1","1") = "6"
    & skf21("7","5","6","5","2","1","2","1") = "6"
    & skf21("7","5","6","5","2","1","3","1") = "6"
    & skf21("7","5","6","5","2","1","4","1") = "6"
    & skf21("7","5","6","5","2","1","5","1") = "6"
    & skf21("7","5","6","5","2","1","6","1") = "6"
    & skf21("7","5","6","5","2","1","7","1") = "6"
    & skf21("7","5","6","5","2","2","1","1") = "6"
    & skf21("7","5","6","5","2","2","2","1") = "6"
    & skf21("7","5","6","5","2","2","3","1") = "6"
    & skf21("7","5","6","5","2","2","4","1") = "6"
    & skf21("7","5","6","5","2","2","5","1") = "6"
    & skf21("7","5","6","5","2","2","6","1") = "6"
    & skf21("7","5","6","5","2","2","7","1") = "6"
    & skf21("7","5","6","5","2","3","1","1") = "6"
    & skf21("7","5","6","5","2","3","2","1") = "6"
    & skf21("7","5","6","5","2","3","3","1") = "6"
    & skf21("7","5","6","5","2","3","4","1") = "6"
    & skf21("7","5","6","5","2","3","5","1") = "6"
    & skf21("7","5","6","5","2","3","6","1") = "6"
    & skf21("7","5","6","5","2","3","7","1") = "6"
    & skf21("7","5","6","5","2","4","1","1") = "6"
    & skf21("7","5","6","5","2","4","2","1") = "6"
    & skf21("7","5","6","5","2","4","3","1") = "6"
    & skf21("7","5","6","5","2","4","4","1") = "6"
    & skf21("7","5","6","5","2","4","5","1") = "6"
    & skf21("7","5","6","5","2","4","6","1") = "6"
    & skf21("7","5","6","5","2","4","7","1") = "6"
    & skf21("7","5","6","5","2","5","1","1") = "6"
    & skf21("7","5","6","5","2","5","2","1") = "6"
    & skf21("7","5","6","5","2","5","3","1") = "6"
    & skf21("7","5","6","5","2","5","4","1") = "6"
    & skf21("7","5","6","5","2","5","5","1") = "6"
    & skf21("7","5","6","5","2","5","6","1") = "6"
    & skf21("7","5","6","5","2","5","7","1") = "6"
    & skf21("7","5","6","5","2","6","1","1") = "6"
    & skf21("7","5","6","5","2","6","2","1") = "6"
    & skf21("7","5","6","5","2","6","3","1") = "6"
    & skf21("7","5","6","5","2","6","4","1") = "6"
    & skf21("7","5","6","5","2","6","5","1") = "6"
    & skf21("7","5","6","5","2","6","6","1") = "6"
    & skf21("7","5","6","5","2","6","7","1") = "6"
    & skf21("7","5","6","5","2","7","1","1") = "6"
    & skf21("7","5","6","5","2","7","2","1") = "6"
    & skf21("7","5","6","5","2","7","3","1") = "6"
    & skf21("7","5","6","5","2","7","4","1") = "6"
    & skf21("7","5","6","5","2","7","5","1") = "6"
    & skf21("7","5","6","5","2","7","6","1") = "6"
    & skf21("7","5","6","5","2","7","7","1") = "6"
    & skf21("7","5","6","5","3","1","1","1") = "6"
    & skf21("7","5","6","5","3","1","2","1") = "6"
    & skf21("7","5","6","5","3","1","3","1") = "6"
    & skf21("7","5","6","5","3","1","4","1") = "6"
    & skf21("7","5","6","5","3","1","5","1") = "6"
    & skf21("7","5","6","5","3","1","6","1") = "6"
    & skf21("7","5","6","5","3","1","7","1") = "6"
    & skf21("7","5","6","5","3","2","1","1") = "6"
    & skf21("7","5","6","5","3","2","2","1") = "6"
    & skf21("7","5","6","5","3","2","3","1") = "6"
    & skf21("7","5","6","5","3","2","4","1") = "6"
    & skf21("7","5","6","5","3","2","5","1") = "6"
    & skf21("7","5","6","5","3","2","6","1") = "6"
    & skf21("7","5","6","5","3","2","7","1") = "6"
    & skf21("7","5","6","5","3","3","1","1") = "6"
    & skf21("7","5","6","5","3","3","2","1") = "6"
    & skf21("7","5","6","5","3","3","3","1") = "6"
    & skf21("7","5","6","5","3","3","4","1") = "6"
    & skf21("7","5","6","5","3","3","5","1") = "6"
    & skf21("7","5","6","5","3","3","6","1") = "6"
    & skf21("7","5","6","5","3","3","7","1") = "6"
    & skf21("7","5","6","5","3","4","1","1") = "6"
    & skf21("7","5","6","5","3","4","2","1") = "6"
    & skf21("7","5","6","5","3","4","3","1") = "6"
    & skf21("7","5","6","5","3","4","4","1") = "6"
    & skf21("7","5","6","5","3","4","5","1") = "6"
    & skf21("7","5","6","5","3","4","6","1") = "6"
    & skf21("7","5","6","5","3","4","7","1") = "6"
    & skf21("7","5","6","5","3","5","1","1") = "6"
    & skf21("7","5","6","5","3","5","2","1") = "6"
    & skf21("7","5","6","5","3","5","3","1") = "6"
    & skf21("7","5","6","5","3","5","4","1") = "6"
    & skf21("7","5","6","5","3","5","5","1") = "6"
    & skf21("7","5","6","5","3","5","6","1") = "6"
    & skf21("7","5","6","5","3","5","7","1") = "6"
    & skf21("7","5","6","5","3","6","1","1") = "6"
    & skf21("7","5","6","5","3","6","2","1") = "6"
    & skf21("7","5","6","5","3","6","3","1") = "6"
    & skf21("7","5","6","5","3","6","4","1") = "6"
    & skf21("7","5","6","5","3","6","5","1") = "6"
    & skf21("7","5","6","5","3","6","6","1") = "6"
    & skf21("7","5","6","5","3","6","7","1") = "6"
    & skf21("7","5","6","5","3","7","1","1") = "6"
    & skf21("7","5","6","5","3","7","2","1") = "6"
    & skf21("7","5","6","5","3","7","3","1") = "6"
    & skf21("7","5","6","5","3","7","4","1") = "6"
    & skf21("7","5","6","5","3","7","5","1") = "6"
    & skf21("7","5","6","5","3","7","6","1") = "6"
    & skf21("7","5","6","5","3","7","7","1") = "6"
    & skf21("7","5","6","5","4","1","1","1") = "6"
    & skf21("7","5","6","5","4","1","2","1") = "6"
    & skf21("7","5","6","5","4","1","3","1") = "6"
    & skf21("7","5","6","5","4","1","4","1") = "6"
    & skf21("7","5","6","5","4","1","5","1") = "6"
    & skf21("7","5","6","5","4","1","6","1") = "6"
    & skf21("7","5","6","5","4","1","7","1") = "6"
    & skf21("7","5","6","5","4","2","1","1") = "6"
    & skf21("7","5","6","5","4","2","2","1") = "6"
    & skf21("7","5","6","5","4","2","3","1") = "6"
    & skf21("7","5","6","5","4","2","4","1") = "6"
    & skf21("7","5","6","5","4","2","5","1") = "6"
    & skf21("7","5","6","5","4","2","6","1") = "6"
    & skf21("7","5","6","5","4","2","7","1") = "6"
    & skf21("7","5","6","5","4","3","1","1") = "6"
    & skf21("7","5","6","5","4","3","2","1") = "6"
    & skf21("7","5","6","5","4","3","3","1") = "6"
    & skf21("7","5","6","5","4","3","4","1") = "6"
    & skf21("7","5","6","5","4","3","5","1") = "6"
    & skf21("7","5","6","5","4","3","6","1") = "6"
    & skf21("7","5","6","5","4","3","7","1") = "6"
    & skf21("7","5","6","5","4","4","1","1") = "6"
    & skf21("7","5","6","5","4","4","2","1") = "6"
    & skf21("7","5","6","5","4","4","3","1") = "6"
    & skf21("7","5","6","5","4","4","4","1") = "6"
    & skf21("7","5","6","5","4","4","5","1") = "6"
    & skf21("7","5","6","5","4","4","6","1") = "6"
    & skf21("7","5","6","5","4","4","7","1") = "6"
    & skf21("7","5","6","5","4","5","1","1") = "6"
    & skf21("7","5","6","5","4","5","2","1") = "6"
    & skf21("7","5","6","5","4","5","3","1") = "6"
    & skf21("7","5","6","5","4","5","4","1") = "6"
    & skf21("7","5","6","5","4","5","5","1") = "6"
    & skf21("7","5","6","5","4","5","6","1") = "6"
    & skf21("7","5","6","5","4","5","7","1") = "6"
    & skf21("7","5","6","5","4","6","1","1") = "6"
    & skf21("7","5","6","5","4","6","2","1") = "6"
    & skf21("7","5","6","5","4","6","3","1") = "6"
    & skf21("7","5","6","5","4","6","4","1") = "6"
    & skf21("7","5","6","5","4","6","5","1") = "6"
    & skf21("7","5","6","5","4","6","6","1") = "6"
    & skf21("7","5","6","5","4","6","7","1") = "6"
    & skf21("7","5","6","5","4","7","1","1") = "6"
    & skf21("7","5","6","5","4","7","2","1") = "6"
    & skf21("7","5","6","5","4","7","3","1") = "6"
    & skf21("7","5","6","5","4","7","4","1") = "6"
    & skf21("7","5","6","5","4","7","5","1") = "6"
    & skf21("7","5","6","5","4","7","6","1") = "6"
    & skf21("7","5","6","5","4","7","7","1") = "6"
    & skf21("7","5","6","5","5","1","1","1") = "6"
    & skf21("7","5","6","5","5","1","2","1") = "6"
    & skf21("7","5","6","5","5","1","3","1") = "6"
    & skf21("7","5","6","5","5","1","4","1") = "6"
    & skf21("7","5","6","5","5","1","5","1") = "6"
    & skf21("7","5","6","5","5","1","6","1") = "6"
    & skf21("7","5","6","5","5","1","7","1") = "6"
    & skf21("7","5","6","5","5","2","1","1") = "6"
    & skf21("7","5","6","5","5","2","2","1") = "6"
    & skf21("7","5","6","5","5","2","3","1") = "6"
    & skf21("7","5","6","5","5","2","4","1") = "6"
    & skf21("7","5","6","5","5","2","5","1") = "6"
    & skf21("7","5","6","5","5","2","6","1") = "6"
    & skf21("7","5","6","5","5","2","7","1") = "6"
    & skf21("7","5","6","5","5","3","1","1") = "6"
    & skf21("7","5","6","5","5","3","2","1") = "6"
    & skf21("7","5","6","5","5","3","3","1") = "6"
    & skf21("7","5","6","5","5","3","4","1") = "6"
    & skf21("7","5","6","5","5","3","5","1") = "6"
    & skf21("7","5","6","5","5","3","6","1") = "6"
    & skf21("7","5","6","5","5","3","7","1") = "6"
    & skf21("7","5","6","5","5","4","1","1") = "6"
    & skf21("7","5","6","5","5","4","2","1") = "6"
    & skf21("7","5","6","5","5","4","3","1") = "6"
    & skf21("7","5","6","5","5","4","4","1") = "6"
    & skf21("7","5","6","5","5","4","5","1") = "6"
    & skf21("7","5","6","5","5","4","6","1") = "6"
    & skf21("7","5","6","5","5","4","7","1") = "6"
    & skf21("7","5","6","5","5","5","1","1") = "6"
    & skf21("7","5","6","5","5","5","2","1") = "6"
    & skf21("7","5","6","5","5","5","3","1") = "6"
    & skf21("7","5","6","5","5","5","4","1") = "6"
    & skf21("7","5","6","5","5","5","5","1") = "6"
    & skf21("7","5","6","5","5","5","6","1") = "6"
    & skf21("7","5","6","5","5","5","7","1") = "6"
    & skf21("7","5","6","5","5","6","1","1") = "6"
    & skf21("7","5","6","5","5","6","2","1") = "6"
    & skf21("7","5","6","5","5","6","3","1") = "6"
    & skf21("7","5","6","5","5","6","4","1") = "6"
    & skf21("7","5","6","5","5","6","5","1") = "6"
    & skf21("7","5","6","5","5","6","6","1") = "6"
    & skf21("7","5","6","5","5","6","7","1") = "6"
    & skf21("7","5","6","5","5","7","1","1") = "6"
    & skf21("7","5","6","5","5","7","2","1") = "6"
    & skf21("7","5","6","5","5","7","3","1") = "6"
    & skf21("7","5","6","5","5","7","4","1") = "6"
    & skf21("7","5","6","5","5","7","5","1") = "6"
    & skf21("7","5","6","5","5","7","6","1") = "6"
    & skf21("7","5","6","5","5","7","7","1") = "6"
    & skf21("7","5","6","5","6","1","1","1") = "6"
    & skf21("7","5","6","5","6","1","2","1") = "6"
    & skf21("7","5","6","5","6","1","3","1") = "6"
    & skf21("7","5","6","5","6","1","4","1") = "6"
    & skf21("7","5","6","5","6","1","5","1") = "6"
    & skf21("7","5","6","5","6","1","6","1") = "6"
    & skf21("7","5","6","5","6","1","7","1") = "6"
    & skf21("7","5","6","5","6","2","1","1") = "6"
    & skf21("7","5","6","5","6","2","2","1") = "6"
    & skf21("7","5","6","5","6","2","3","1") = "6"
    & skf21("7","5","6","5","6","2","4","1") = "6"
    & skf21("7","5","6","5","6","2","5","1") = "6"
    & skf21("7","5","6","5","6","2","6","1") = "6"
    & skf21("7","5","6","5","6","2","7","1") = "6"
    & skf21("7","5","6","5","6","3","1","1") = "6"
    & skf21("7","5","6","5","6","3","2","1") = "6"
    & skf21("7","5","6","5","6","3","3","1") = "6"
    & skf21("7","5","6","5","6","3","4","1") = "6"
    & skf21("7","5","6","5","6","3","5","1") = "6"
    & skf21("7","5","6","5","6","3","6","1") = "6"
    & skf21("7","5","6","5","6","3","7","1") = "6"
    & skf21("7","5","6","5","6","4","1","1") = "6"
    & skf21("7","5","6","5","6","4","2","1") = "6"
    & skf21("7","5","6","5","6","4","3","1") = "6"
    & skf21("7","5","6","5","6","4","4","1") = "6"
    & skf21("7","5","6","5","6","4","5","1") = "6"
    & skf21("7","5","6","5","6","4","6","1") = "6"
    & skf21("7","5","6","5","6","4","7","1") = "6"
    & skf21("7","5","6","5","6","5","1","1") = "6"
    & skf21("7","5","6","5","6","5","2","1") = "6"
    & skf21("7","5","6","5","6","5","3","1") = "6"
    & skf21("7","5","6","5","6","5","4","1") = "6"
    & skf21("7","5","6","5","6","5","5","1") = "6"
    & skf21("7","5","6","5","6","5","6","1") = "6"
    & skf21("7","5","6","5","6","5","7","1") = "6"
    & skf21("7","5","6","5","6","6","1","1") = "6"
    & skf21("7","5","6","5","6","6","2","1") = "6"
    & skf21("7","5","6","5","6","6","3","1") = "6"
    & skf21("7","5","6","5","6","6","4","1") = "6"
    & skf21("7","5","6","5","6","6","5","1") = "6"
    & skf21("7","5","6","5","6","6","6","1") = "6"
    & skf21("7","5","6","5","6","6","7","1") = "6"
    & skf21("7","5","6","5","6","7","1","1") = "6"
    & skf21("7","5","6","5","6","7","2","1") = "6"
    & skf21("7","5","6","5","6","7","3","1") = "6"
    & skf21("7","5","6","5","6","7","4","1") = "6"
    & skf21("7","5","6","5","6","7","5","1") = "6"
    & skf21("7","5","6","5","6","7","6","1") = "6"
    & skf21("7","5","6","5","6","7","7","1") = "6"
    & skf21("7","5","6","5","7","1","1","1") = "6"
    & skf21("7","5","6","5","7","1","2","1") = "6"
    & skf21("7","5","6","5","7","1","3","1") = "6"
    & skf21("7","5","6","5","7","1","4","1") = "6"
    & skf21("7","5","6","5","7","1","5","1") = "6"
    & skf21("7","5","6","5","7","1","6","1") = "6"
    & skf21("7","5","6","5","7","1","7","1") = "6"
    & skf21("7","5","6","5","7","2","1","1") = "6"
    & skf21("7","5","6","5","7","2","2","1") = "6"
    & skf21("7","5","6","5","7","2","3","1") = "6"
    & skf21("7","5","6","5","7","2","4","1") = "6"
    & skf21("7","5","6","5","7","2","5","1") = "6"
    & skf21("7","5","6","5","7","2","6","1") = "6"
    & skf21("7","5","6","5","7","2","7","1") = "6"
    & skf21("7","5","6","5","7","3","1","1") = "6"
    & skf21("7","5","6","5","7","3","2","1") = "6"
    & skf21("7","5","6","5","7","3","3","1") = "6"
    & skf21("7","5","6","5","7","3","4","1") = "6"
    & skf21("7","5","6","5","7","3","5","1") = "6"
    & skf21("7","5","6","5","7","3","6","1") = "6"
    & skf21("7","5","6","5","7","3","7","1") = "6"
    & skf21("7","5","6","5","7","4","1","1") = "6"
    & skf21("7","5","6","5","7","4","2","1") = "6"
    & skf21("7","5","6","5","7","4","3","1") = "6"
    & skf21("7","5","6","5","7","4","4","1") = "6"
    & skf21("7","5","6","5","7","4","5","1") = "6"
    & skf21("7","5","6","5","7","4","6","1") = "6"
    & skf21("7","5","6","5","7","4","7","1") = "6"
    & skf21("7","5","6","5","7","5","1","1") = "6"
    & skf21("7","5","6","5","7","5","2","1") = "6"
    & skf21("7","5","6","5","7","5","3","1") = "6"
    & skf21("7","5","6","5","7","5","4","1") = "6"
    & skf21("7","5","6","5","7","5","5","1") = "6"
    & skf21("7","5","6","5","7","5","6","1") = "6"
    & skf21("7","5","6","5","7","5","7","1") = "6"
    & skf21("7","5","6","5","7","6","1","1") = "6"
    & skf21("7","5","6","5","7","6","2","1") = "6"
    & skf21("7","5","6","5","7","6","3","1") = "6"
    & skf21("7","5","6","5","7","6","4","1") = "6"
    & skf21("7","5","6","5","7","6","5","1") = "6"
    & skf21("7","5","6","5","7","6","6","1") = "6"
    & skf21("7","5","6","5","7","6","7","1") = "6"
    & skf21("7","5","6","5","7","7","1","1") = "6"
    & skf21("7","5","6","5","7","7","2","1") = "6"
    & skf21("7","5","6","5","7","7","3","1") = "6"
    & skf21("7","5","6","5","7","7","4","1") = "6"
    & skf21("7","5","6","5","7","7","5","1") = "6"
    & skf21("7","5","6","5","7","7","6","1") = "6"
    & skf21("7","5","6","5","7","7","7","1") = "6"
    & skf21("7","5","6","6","1","1","1","1") = "6"
    & skf21("7","5","6","6","1","1","2","1") = "6"
    & skf21("7","5","6","6","1","1","3","1") = "6"
    & skf21("7","5","6","6","1","1","4","1") = "6"
    & skf21("7","5","6","6","1","1","5","1") = "6"
    & skf21("7","5","6","6","1","1","6","1") = "6"
    & skf21("7","5","6","6","1","1","7","1") = "6"
    & skf21("7","5","6","6","1","2","1","1") = "6"
    & skf21("7","5","6","6","1","2","2","1") = "6"
    & skf21("7","5","6","6","1","2","3","1") = "6"
    & skf21("7","5","6","6","1","2","4","1") = "6"
    & skf21("7","5","6","6","1","2","5","1") = "6"
    & skf21("7","5","6","6","1","2","6","1") = "6"
    & skf21("7","5","6","6","1","2","7","1") = "6"
    & skf21("7","5","6","6","1","3","1","1") = "6"
    & skf21("7","5","6","6","1","3","2","1") = "6"
    & skf21("7","5","6","6","1","3","3","1") = "6"
    & skf21("7","5","6","6","1","3","4","1") = "6"
    & skf21("7","5","6","6","1","3","5","1") = "6"
    & skf21("7","5","6","6","1","3","6","1") = "6"
    & skf21("7","5","6","6","1","3","7","1") = "6"
    & skf21("7","5","6","6","1","4","1","1") = "6"
    & skf21("7","5","6","6","1","4","2","1") = "6"
    & skf21("7","5","6","6","1","4","3","1") = "6"
    & skf21("7","5","6","6","1","4","4","1") = "6"
    & skf21("7","5","6","6","1","4","5","1") = "6"
    & skf21("7","5","6","6","1","4","6","1") = "6"
    & skf21("7","5","6","6","1","4","7","1") = "6"
    & skf21("7","5","6","6","1","5","1","1") = "6"
    & skf21("7","5","6","6","1","5","2","1") = "6"
    & skf21("7","5","6","6","1","5","3","1") = "6"
    & skf21("7","5","6","6","1","5","4","1") = "6"
    & skf21("7","5","6","6","1","5","5","1") = "6"
    & skf21("7","5","6","6","1","5","6","1") = "6"
    & skf21("7","5","6","6","1","5","7","1") = "6"
    & skf21("7","5","6","6","1","6","1","1") = "6"
    & skf21("7","5","6","6","1","6","2","1") = "6"
    & skf21("7","5","6","6","1","6","3","1") = "6"
    & skf21("7","5","6","6","1","6","4","1") = "6"
    & skf21("7","5","6","6","1","6","5","1") = "6"
    & skf21("7","5","6","6","1","6","6","1") = "6"
    & skf21("7","5","6","6","1","6","7","1") = "6"
    & skf21("7","5","6","6","1","7","1","1") = "6"
    & skf21("7","5","6","6","1","7","2","1") = "6"
    & skf21("7","5","6","6","1","7","3","1") = "6"
    & skf21("7","5","6","6","1","7","4","1") = "6"
    & skf21("7","5","6","6","1","7","5","1") = "6"
    & skf21("7","5","6","6","1","7","6","1") = "6"
    & skf21("7","5","6","6","1","7","7","1") = "6"
    & skf21("7","5","6","6","2","1","1","1") = "6"
    & skf21("7","5","6","6","2","1","2","1") = "6"
    & skf21("7","5","6","6","2","1","3","1") = "6"
    & skf21("7","5","6","6","2","1","4","1") = "6"
    & skf21("7","5","6","6","2","1","5","1") = "6"
    & skf21("7","5","6","6","2","1","6","1") = "6"
    & skf21("7","5","6","6","2","1","7","1") = "6"
    & skf21("7","5","6","6","2","2","1","1") = "6"
    & skf21("7","5","6","6","2","2","2","1") = "6"
    & skf21("7","5","6","6","2","2","3","1") = "6"
    & skf21("7","5","6","6","2","2","4","1") = "6"
    & skf21("7","5","6","6","2","2","5","1") = "6"
    & skf21("7","5","6","6","2","2","6","1") = "6"
    & skf21("7","5","6","6","2","2","7","1") = "6"
    & skf21("7","5","6","6","2","3","1","1") = "6"
    & skf21("7","5","6","6","2","3","2","1") = "6"
    & skf21("7","5","6","6","2","3","3","1") = "6"
    & skf21("7","5","6","6","2","3","4","1") = "6"
    & skf21("7","5","6","6","2","3","5","1") = "6"
    & skf21("7","5","6","6","2","3","6","1") = "6"
    & skf21("7","5","6","6","2","3","7","1") = "6"
    & skf21("7","5","6","6","2","4","1","1") = "6"
    & skf21("7","5","6","6","2","4","2","1") = "6"
    & skf21("7","5","6","6","2","4","3","1") = "6"
    & skf21("7","5","6","6","2","4","4","1") = "6"
    & skf21("7","5","6","6","2","4","5","1") = "6"
    & skf21("7","5","6","6","2","4","6","1") = "6"
    & skf21("7","5","6","6","2","4","7","1") = "6"
    & skf21("7","5","6","6","2","5","1","1") = "6"
    & skf21("7","5","6","6","2","5","2","1") = "6"
    & skf21("7","5","6","6","2","5","3","1") = "6"
    & skf21("7","5","6","6","2","5","4","1") = "6"
    & skf21("7","5","6","6","2","5","5","1") = "6"
    & skf21("7","5","6","6","2","5","6","1") = "6"
    & skf21("7","5","6","6","2","5","7","1") = "6"
    & skf21("7","5","6","6","2","6","1","1") = "6"
    & skf21("7","5","6","6","2","6","2","1") = "6"
    & skf21("7","5","6","6","2","6","3","1") = "6"
    & skf21("7","5","6","6","2","6","4","1") = "6"
    & skf21("7","5","6","6","2","6","5","1") = "6"
    & skf21("7","5","6","6","2","6","6","1") = "6"
    & skf21("7","5","6","6","2","6","7","1") = "6"
    & skf21("7","5","6","6","2","7","1","1") = "6"
    & skf21("7","5","6","6","2","7","2","1") = "6"
    & skf21("7","5","6","6","2","7","3","1") = "6"
    & skf21("7","5","6","6","2","7","4","1") = "6"
    & skf21("7","5","6","6","2","7","5","1") = "6"
    & skf21("7","5","6","6","2","7","6","1") = "6"
    & skf21("7","5","6","6","2","7","7","1") = "6"
    & skf21("7","5","6","6","3","1","1","1") = "6"
    & skf21("7","5","6","6","3","1","2","1") = "6"
    & skf21("7","5","6","6","3","1","3","1") = "6"
    & skf21("7","5","6","6","3","1","4","1") = "6"
    & skf21("7","5","6","6","3","1","5","1") = "6"
    & skf21("7","5","6","6","3","1","6","1") = "6"
    & skf21("7","5","6","6","3","1","7","1") = "6"
    & skf21("7","5","6","6","3","2","1","1") = "6"
    & skf21("7","5","6","6","3","2","2","1") = "6"
    & skf21("7","5","6","6","3","2","3","1") = "6"
    & skf21("7","5","6","6","3","2","4","1") = "6"
    & skf21("7","5","6","6","3","2","5","1") = "6"
    & skf21("7","5","6","6","3","2","6","1") = "6"
    & skf21("7","5","6","6","3","2","7","1") = "6"
    & skf21("7","5","6","6","3","3","1","1") = "6"
    & skf21("7","5","6","6","3","3","2","1") = "6"
    & skf21("7","5","6","6","3","3","3","1") = "6"
    & skf21("7","5","6","6","3","3","4","1") = "6"
    & skf21("7","5","6","6","3","3","5","1") = "6"
    & skf21("7","5","6","6","3","3","6","1") = "6"
    & skf21("7","5","6","6","3","3","7","1") = "6"
    & skf21("7","5","6","6","3","4","1","1") = "6"
    & skf21("7","5","6","6","3","4","2","1") = "6"
    & skf21("7","5","6","6","3","4","3","1") = "6"
    & skf21("7","5","6","6","3","4","4","1") = "6"
    & skf21("7","5","6","6","3","4","5","1") = "6"
    & skf21("7","5","6","6","3","4","6","1") = "6"
    & skf21("7","5","6","6","3","4","7","1") = "6"
    & skf21("7","5","6","6","3","5","1","1") = "6"
    & skf21("7","5","6","6","3","5","2","1") = "6"
    & skf21("7","5","6","6","3","5","3","1") = "6"
    & skf21("7","5","6","6","3","5","4","1") = "6"
    & skf21("7","5","6","6","3","5","5","1") = "6"
    & skf21("7","5","6","6","3","5","6","1") = "6"
    & skf21("7","5","6","6","3","5","7","1") = "6"
    & skf21("7","5","6","6","3","6","1","1") = "6"
    & skf21("7","5","6","6","3","6","2","1") = "6"
    & skf21("7","5","6","6","3","6","3","1") = "6"
    & skf21("7","5","6","6","3","6","4","1") = "6"
    & skf21("7","5","6","6","3","6","5","1") = "6"
    & skf21("7","5","6","6","3","6","6","1") = "6"
    & skf21("7","5","6","6","3","6","7","1") = "6"
    & skf21("7","5","6","6","3","7","1","1") = "6"
    & skf21("7","5","6","6","3","7","2","1") = "6"
    & skf21("7","5","6","6","3","7","3","1") = "6"
    & skf21("7","5","6","6","3","7","4","1") = "6"
    & skf21("7","5","6","6","3","7","5","1") = "6"
    & skf21("7","5","6","6","3","7","6","1") = "6"
    & skf21("7","5","6","6","3","7","7","1") = "6"
    & skf21("7","5","6","6","4","1","1","1") = "6"
    & skf21("7","5","6","6","4","1","2","1") = "6"
    & skf21("7","5","6","6","4","1","3","1") = "6"
    & skf21("7","5","6","6","4","1","4","1") = "6"
    & skf21("7","5","6","6","4","1","5","1") = "6"
    & skf21("7","5","6","6","4","1","6","1") = "6"
    & skf21("7","5","6","6","4","1","7","1") = "6"
    & skf21("7","5","6","6","4","2","1","1") = "6"
    & skf21("7","5","6","6","4","2","2","1") = "6"
    & skf21("7","5","6","6","4","2","3","1") = "6"
    & skf21("7","5","6","6","4","2","4","1") = "6"
    & skf21("7","5","6","6","4","2","5","1") = "6"
    & skf21("7","5","6","6","4","2","6","1") = "6"
    & skf21("7","5","6","6","4","2","7","1") = "6"
    & skf21("7","5","6","6","4","3","1","1") = "6"
    & skf21("7","5","6","6","4","3","2","1") = "6"
    & skf21("7","5","6","6","4","3","3","1") = "6"
    & skf21("7","5","6","6","4","3","4","1") = "6"
    & skf21("7","5","6","6","4","3","5","1") = "6"
    & skf21("7","5","6","6","4","3","6","1") = "6"
    & skf21("7","5","6","6","4","3","7","1") = "6"
    & skf21("7","5","6","6","4","4","1","1") = "6"
    & skf21("7","5","6","6","4","4","2","1") = "6"
    & skf21("7","5","6","6","4","4","3","1") = "6"
    & skf21("7","5","6","6","4","4","4","1") = "6"
    & skf21("7","5","6","6","4","4","5","1") = "6"
    & skf21("7","5","6","6","4","4","6","1") = "6"
    & skf21("7","5","6","6","4","4","7","1") = "6"
    & skf21("7","5","6","6","4","5","1","1") = "6"
    & skf21("7","5","6","6","4","5","2","1") = "6"
    & skf21("7","5","6","6","4","5","3","1") = "6"
    & skf21("7","5","6","6","4","5","4","1") = "6"
    & skf21("7","5","6","6","4","5","5","1") = "6"
    & skf21("7","5","6","6","4","5","6","1") = "6"
    & skf21("7","5","6","6","4","5","7","1") = "6"
    & skf21("7","5","6","6","4","6","1","1") = "6"
    & skf21("7","5","6","6","4","6","2","1") = "6"
    & skf21("7","5","6","6","4","6","3","1") = "6"
    & skf21("7","5","6","6","4","6","4","1") = "6"
    & skf21("7","5","6","6","4","6","5","1") = "6"
    & skf21("7","5","6","6","4","6","6","1") = "6"
    & skf21("7","5","6","6","4","6","7","1") = "6"
    & skf21("7","5","6","6","4","7","1","1") = "6"
    & skf21("7","5","6","6","4","7","2","1") = "6"
    & skf21("7","5","6","6","4","7","3","1") = "6"
    & skf21("7","5","6","6","4","7","4","1") = "6"
    & skf21("7","5","6","6","4","7","5","1") = "6"
    & skf21("7","5","6","6","4","7","6","1") = "6"
    & skf21("7","5","6","6","4","7","7","1") = "6"
    & skf21("7","5","6","6","5","1","1","1") = "6"
    & skf21("7","5","6","6","5","1","2","1") = "6"
    & skf21("7","5","6","6","5","1","3","1") = "6"
    & skf21("7","5","6","6","5","1","4","1") = "6"
    & skf21("7","5","6","6","5","1","5","1") = "6"
    & skf21("7","5","6","6","5","1","6","1") = "6"
    & skf21("7","5","6","6","5","1","7","1") = "6"
    & skf21("7","5","6","6","5","2","1","1") = "6"
    & skf21("7","5","6","6","5","2","2","1") = "6"
    & skf21("7","5","6","6","5","2","3","1") = "6"
    & skf21("7","5","6","6","5","2","4","1") = "6"
    & skf21("7","5","6","6","5","2","5","1") = "6"
    & skf21("7","5","6","6","5","2","6","1") = "6"
    & skf21("7","5","6","6","5","2","7","1") = "6"
    & skf21("7","5","6","6","5","3","1","1") = "6"
    & skf21("7","5","6","6","5","3","2","1") = "6"
    & skf21("7","5","6","6","5","3","3","1") = "6"
    & skf21("7","5","6","6","5","3","4","1") = "6"
    & skf21("7","5","6","6","5","3","5","1") = "6"
    & skf21("7","5","6","6","5","3","6","1") = "6"
    & skf21("7","5","6","6","5","3","7","1") = "6"
    & skf21("7","5","6","6","5","4","1","1") = "6"
    & skf21("7","5","6","6","5","4","2","1") = "6"
    & skf21("7","5","6","6","5","4","3","1") = "6"
    & skf21("7","5","6","6","5","4","4","1") = "6"
    & skf21("7","5","6","6","5","4","5","1") = "6"
    & skf21("7","5","6","6","5","4","6","1") = "6"
    & skf21("7","5","6","6","5","4","7","1") = "6"
    & skf21("7","5","6","6","5","5","1","1") = "6"
    & skf21("7","5","6","6","5","5","2","1") = "6"
    & skf21("7","5","6","6","5","5","3","1") = "6"
    & skf21("7","5","6","6","5","5","4","1") = "6"
    & skf21("7","5","6","6","5","5","5","1") = "6"
    & skf21("7","5","6","6","5","5","6","1") = "6"
    & skf21("7","5","6","6","5","5","7","1") = "6"
    & skf21("7","5","6","6","5","6","1","1") = "6"
    & skf21("7","5","6","6","5","6","2","1") = "6"
    & skf21("7","5","6","6","5","6","3","1") = "6"
    & skf21("7","5","6","6","5","6","4","1") = "6"
    & skf21("7","5","6","6","5","6","5","1") = "6"
    & skf21("7","5","6","6","5","6","6","1") = "6"
    & skf21("7","5","6","6","5","6","7","1") = "6"
    & skf21("7","5","6","6","5","7","1","1") = "6"
    & skf21("7","5","6","6","5","7","2","1") = "6"
    & skf21("7","5","6","6","5","7","3","1") = "6"
    & skf21("7","5","6","6","5","7","4","1") = "6"
    & skf21("7","5","6","6","5","7","5","1") = "6"
    & skf21("7","5","6","6","5","7","6","1") = "6"
    & skf21("7","5","6","6","5","7","7","1") = "6"
    & skf21("7","5","6","6","6","1","1","1") = "6"
    & skf21("7","5","6","6","6","1","2","1") = "6"
    & skf21("7","5","6","6","6","1","3","1") = "6"
    & skf21("7","5","6","6","6","1","4","1") = "6"
    & skf21("7","5","6","6","6","1","5","1") = "6"
    & skf21("7","5","6","6","6","1","6","1") = "6"
    & skf21("7","5","6","6","6","1","7","1") = "6"
    & skf21("7","5","6","6","6","2","1","1") = "6"
    & skf21("7","5","6","6","6","2","2","1") = "6"
    & skf21("7","5","6","6","6","2","3","1") = "6"
    & skf21("7","5","6","6","6","2","4","1") = "6"
    & skf21("7","5","6","6","6","2","5","1") = "6"
    & skf21("7","5","6","6","6","2","6","1") = "6"
    & skf21("7","5","6","6","6","2","7","1") = "6"
    & skf21("7","5","6","6","6","3","1","1") = "6"
    & skf21("7","5","6","6","6","3","2","1") = "6"
    & skf21("7","5","6","6","6","3","3","1") = "6"
    & skf21("7","5","6","6","6","3","4","1") = "6"
    & skf21("7","5","6","6","6","3","5","1") = "6"
    & skf21("7","5","6","6","6","3","6","1") = "6"
    & skf21("7","5","6","6","6","3","7","1") = "6"
    & skf21("7","5","6","6","6","4","1","1") = "6"
    & skf21("7","5","6","6","6","4","2","1") = "6"
    & skf21("7","5","6","6","6","4","3","1") = "6"
    & skf21("7","5","6","6","6","4","4","1") = "6"
    & skf21("7","5","6","6","6","4","5","1") = "6"
    & skf21("7","5","6","6","6","4","6","1") = "6"
    & skf21("7","5","6","6","6","4","7","1") = "6"
    & skf21("7","5","6","6","6","5","1","1") = "6"
    & skf21("7","5","6","6","6","5","2","1") = "6"
    & skf21("7","5","6","6","6","5","3","1") = "6"
    & skf21("7","5","6","6","6","5","4","1") = "6"
    & skf21("7","5","6","6","6","5","5","1") = "6"
    & skf21("7","5","6","6","6","5","6","1") = "6"
    & skf21("7","5","6","6","6","5","7","1") = "6"
    & skf21("7","5","6","6","6","6","1","1") = "6"
    & skf21("7","5","6","6","6","6","2","1") = "6"
    & skf21("7","5","6","6","6","6","3","1") = "6"
    & skf21("7","5","6","6","6","6","4","1") = "6"
    & skf21("7","5","6","6","6","6","5","1") = "6"
    & skf21("7","5","6","6","6","6","6","1") = "6"
    & skf21("7","5","6","6","6","6","7","1") = "6"
    & skf21("7","5","6","6","6","7","1","1") = "6"
    & skf21("7","5","6","6","6","7","2","1") = "6"
    & skf21("7","5","6","6","6","7","3","1") = "6"
    & skf21("7","5","6","6","6","7","4","1") = "6"
    & skf21("7","5","6","6","6","7","5","1") = "6"
    & skf21("7","5","6","6","6","7","6","1") = "6"
    & skf21("7","5","6","6","6","7","7","1") = "6"
    & skf21("7","5","6","6","7","1","1","1") = "6"
    & skf21("7","5","6","6","7","1","2","1") = "6"
    & skf21("7","5","6","6","7","1","3","1") = "6"
    & skf21("7","5","6","6","7","1","4","1") = "6"
    & skf21("7","5","6","6","7","1","5","1") = "6"
    & skf21("7","5","6","6","7","1","6","1") = "6"
    & skf21("7","5","6","6","7","1","7","1") = "6"
    & skf21("7","5","6","6","7","2","1","1") = "6"
    & skf21("7","5","6","6","7","2","2","1") = "6"
    & skf21("7","5","6","6","7","2","3","1") = "6"
    & skf21("7","5","6","6","7","2","4","1") = "6"
    & skf21("7","5","6","6","7","2","5","1") = "6"
    & skf21("7","5","6","6","7","2","6","1") = "6"
    & skf21("7","5","6","6","7","2","7","1") = "6"
    & skf21("7","5","6","6","7","3","1","1") = "6"
    & skf21("7","5","6","6","7","3","2","1") = "6"
    & skf21("7","5","6","6","7","3","3","1") = "6"
    & skf21("7","5","6","6","7","3","4","1") = "6"
    & skf21("7","5","6","6","7","3","5","1") = "6"
    & skf21("7","5","6","6","7","3","6","1") = "6"
    & skf21("7","5","6","6","7","3","7","1") = "6"
    & skf21("7","5","6","6","7","4","1","1") = "6"
    & skf21("7","5","6","6","7","4","2","1") = "6"
    & skf21("7","5","6","6","7","4","3","1") = "6"
    & skf21("7","5","6","6","7","4","4","1") = "6"
    & skf21("7","5","6","6","7","4","5","1") = "6"
    & skf21("7","5","6","6","7","4","6","1") = "6"
    & skf21("7","5","6","6","7","4","7","1") = "6"
    & skf21("7","5","6","6","7","5","1","1") = "6"
    & skf21("7","5","6","6","7","5","2","1") = "6"
    & skf21("7","5","6","6","7","5","3","1") = "6"
    & skf21("7","5","6","6","7","5","4","1") = "6"
    & skf21("7","5","6","6","7","5","5","1") = "6"
    & skf21("7","5","6","6","7","5","6","1") = "6"
    & skf21("7","5","6","6","7","5","7","1") = "6"
    & skf21("7","5","6","6","7","6","1","1") = "6"
    & skf21("7","5","6","6","7","6","2","1") = "6"
    & skf21("7","5","6","6","7","6","3","1") = "6"
    & skf21("7","5","6","6","7","6","4","1") = "6"
    & skf21("7","5","6","6","7","6","5","1") = "6"
    & skf21("7","5","6","6","7","6","6","1") = "6"
    & skf21("7","5","6","6","7","6","7","1") = "6"
    & skf21("7","5","6","6","7","7","1","1") = "6"
    & skf21("7","5","6","6","7","7","2","1") = "6"
    & skf21("7","5","6","6","7","7","3","1") = "6"
    & skf21("7","5","6","6","7","7","4","1") = "6"
    & skf21("7","5","6","6","7","7","5","1") = "6"
    & skf21("7","5","6","6","7","7","6","1") = "6"
    & skf21("7","5","6","6","7","7","7","1") = "6"
    & skf21("7","5","6","7","1","1","1","1") = "6"
    & skf21("7","5","6","7","1","1","2","1") = "6"
    & skf21("7","5","6","7","1","1","3","1") = "6"
    & skf21("7","5","6","7","1","1","4","1") = "6"
    & skf21("7","5","6","7","1","1","5","1") = "6"
    & skf21("7","5","6","7","1","1","6","1") = "6"
    & skf21("7","5","6","7","1","1","7","1") = "6"
    & skf21("7","5","6","7","1","2","1","1") = "6"
    & skf21("7","5","6","7","1","2","2","1") = "6"
    & skf21("7","5","6","7","1","2","3","1") = "6"
    & skf21("7","5","6","7","1","2","4","1") = "6"
    & skf21("7","5","6","7","1","2","5","1") = "6"
    & skf21("7","5","6","7","1","2","6","1") = "6"
    & skf21("7","5","6","7","1","2","7","1") = "6"
    & skf21("7","5","6","7","1","3","1","1") = "6"
    & skf21("7","5","6","7","1","3","2","1") = "6"
    & skf21("7","5","6","7","1","3","3","1") = "6"
    & skf21("7","5","6","7","1","3","4","1") = "6"
    & skf21("7","5","6","7","1","3","5","1") = "6"
    & skf21("7","5","6","7","1","3","6","1") = "6"
    & skf21("7","5","6","7","1","3","7","1") = "6"
    & skf21("7","5","6","7","1","4","1","1") = "6"
    & skf21("7","5","6","7","1","4","2","1") = "6"
    & skf21("7","5","6","7","1","4","3","1") = "6"
    & skf21("7","5","6","7","1","4","4","1") = "6"
    & skf21("7","5","6","7","1","4","5","1") = "6"
    & skf21("7","5","6","7","1","4","6","1") = "6"
    & skf21("7","5","6","7","1","4","7","1") = "6"
    & skf21("7","5","6","7","1","5","1","1") = "6"
    & skf21("7","5","6","7","1","5","2","1") = "6"
    & skf21("7","5","6","7","1","5","3","1") = "6"
    & skf21("7","5","6","7","1","5","4","1") = "6"
    & skf21("7","5","6","7","1","5","5","1") = "6"
    & skf21("7","5","6","7","1","5","6","1") = "6"
    & skf21("7","5","6","7","1","5","7","1") = "6"
    & skf21("7","5","6","7","1","6","1","1") = "6"
    & skf21("7","5","6","7","1","6","2","1") = "6"
    & skf21("7","5","6","7","1","6","3","1") = "6"
    & skf21("7","5","6","7","1","6","4","1") = "6"
    & skf21("7","5","6","7","1","6","5","1") = "6"
    & skf21("7","5","6","7","1","6","6","1") = "6"
    & skf21("7","5","6","7","1","6","7","1") = "6"
    & skf21("7","5","6","7","1","7","1","1") = "6"
    & skf21("7","5","6","7","1","7","2","1") = "6"
    & skf21("7","5","6","7","1","7","3","1") = "6"
    & skf21("7","5","6","7","1","7","4","1") = "6"
    & skf21("7","5","6","7","1","7","5","1") = "6"
    & skf21("7","5","6","7","1","7","6","1") = "6"
    & skf21("7","5","6","7","1","7","7","1") = "6"
    & skf21("7","5","6","7","2","1","1","1") = "6"
    & skf21("7","5","6","7","2","1","2","1") = "6"
    & skf21("7","5","6","7","2","1","3","1") = "6"
    & skf21("7","5","6","7","2","1","4","1") = "6"
    & skf21("7","5","6","7","2","1","5","1") = "6"
    & skf21("7","5","6","7","2","1","6","1") = "6"
    & skf21("7","5","6","7","2","1","7","1") = "6"
    & skf21("7","5","6","7","2","2","1","1") = "6"
    & skf21("7","5","6","7","2","2","2","1") = "6"
    & skf21("7","5","6","7","2","2","3","1") = "6"
    & skf21("7","5","6","7","2","2","4","1") = "6"
    & skf21("7","5","6","7","2","2","5","1") = "6"
    & skf21("7","5","6","7","2","2","6","1") = "6"
    & skf21("7","5","6","7","2","2","7","1") = "6"
    & skf21("7","5","6","7","2","3","1","1") = "6"
    & skf21("7","5","6","7","2","3","2","1") = "6"
    & skf21("7","5","6","7","2","3","3","1") = "6"
    & skf21("7","5","6","7","2","3","4","1") = "6"
    & skf21("7","5","6","7","2","3","5","1") = "6"
    & skf21("7","5","6","7","2","3","6","1") = "6"
    & skf21("7","5","6","7","2","3","7","1") = "6"
    & skf21("7","5","6","7","2","4","1","1") = "6"
    & skf21("7","5","6","7","2","4","2","1") = "6"
    & skf21("7","5","6","7","2","4","3","1") = "6"
    & skf21("7","5","6","7","2","4","4","1") = "6"
    & skf21("7","5","6","7","2","4","5","1") = "6"
    & skf21("7","5","6","7","2","4","6","1") = "6"
    & skf21("7","5","6","7","2","4","7","1") = "6"
    & skf21("7","5","6","7","2","5","1","1") = "6"
    & skf21("7","5","6","7","2","5","2","1") = "6"
    & skf21("7","5","6","7","2","5","3","1") = "6"
    & skf21("7","5","6","7","2","5","4","1") = "6"
    & skf21("7","5","6","7","2","5","5","1") = "6"
    & skf21("7","5","6","7","2","5","6","1") = "6"
    & skf21("7","5","6","7","2","5","7","1") = "6"
    & skf21("7","5","6","7","2","6","1","1") = "6"
    & skf21("7","5","6","7","2","6","2","1") = "6"
    & skf21("7","5","6","7","2","6","3","1") = "6"
    & skf21("7","5","6","7","2","6","4","1") = "6"
    & skf21("7","5","6","7","2","6","5","1") = "6"
    & skf21("7","5","6","7","2","6","6","1") = "6"
    & skf21("7","5","6","7","2","6","7","1") = "6"
    & skf21("7","5","6","7","2","7","1","1") = "6"
    & skf21("7","5","6","7","2","7","2","1") = "6"
    & skf21("7","5","6","7","2","7","3","1") = "6"
    & skf21("7","5","6","7","2","7","4","1") = "6"
    & skf21("7","5","6","7","2","7","5","1") = "6"
    & skf21("7","5","6","7","2","7","6","1") = "6"
    & skf21("7","5","6","7","2","7","7","1") = "6"
    & skf21("7","5","6","7","3","1","1","1") = "6"
    & skf21("7","5","6","7","3","1","2","1") = "6"
    & skf21("7","5","6","7","3","1","3","1") = "6"
    & skf21("7","5","6","7","3","1","4","1") = "6"
    & skf21("7","5","6","7","3","1","5","1") = "6"
    & skf21("7","5","6","7","3","1","6","1") = "6"
    & skf21("7","5","6","7","3","1","7","1") = "6"
    & skf21("7","5","6","7","3","2","1","1") = "6"
    & skf21("7","5","6","7","3","2","2","1") = "6"
    & skf21("7","5","6","7","3","2","3","1") = "6"
    & skf21("7","5","6","7","3","2","4","1") = "6"
    & skf21("7","5","6","7","3","2","5","1") = "6"
    & skf21("7","5","6","7","3","2","6","1") = "6"
    & skf21("7","5","6","7","3","2","7","1") = "6"
    & skf21("7","5","6","7","3","3","1","1") = "6"
    & skf21("7","5","6","7","3","3","2","1") = "6"
    & skf21("7","5","6","7","3","3","3","1") = "6"
    & skf21("7","5","6","7","3","3","4","1") = "6"
    & skf21("7","5","6","7","3","3","5","1") = "6"
    & skf21("7","5","6","7","3","3","6","1") = "6"
    & skf21("7","5","6","7","3","3","7","1") = "6"
    & skf21("7","5","6","7","3","4","1","1") = "6"
    & skf21("7","5","6","7","3","4","2","1") = "6"
    & skf21("7","5","6","7","3","4","3","1") = "6"
    & skf21("7","5","6","7","3","4","4","1") = "6"
    & skf21("7","5","6","7","3","4","5","1") = "6"
    & skf21("7","5","6","7","3","4","6","1") = "6"
    & skf21("7","5","6","7","3","4","7","1") = "6"
    & skf21("7","5","6","7","3","5","1","1") = "6"
    & skf21("7","5","6","7","3","5","2","1") = "6"
    & skf21("7","5","6","7","3","5","3","1") = "6"
    & skf21("7","5","6","7","3","5","4","1") = "6"
    & skf21("7","5","6","7","3","5","5","1") = "6"
    & skf21("7","5","6","7","3","5","6","1") = "6"
    & skf21("7","5","6","7","3","5","7","1") = "6"
    & skf21("7","5","6","7","3","6","1","1") = "6"
    & skf21("7","5","6","7","3","6","2","1") = "6"
    & skf21("7","5","6","7","3","6","3","1") = "6"
    & skf21("7","5","6","7","3","6","4","1") = "6"
    & skf21("7","5","6","7","3","6","5","1") = "6"
    & skf21("7","5","6","7","3","6","6","1") = "6"
    & skf21("7","5","6","7","3","6","7","1") = "6"
    & skf21("7","5","6","7","3","7","1","1") = "6"
    & skf21("7","5","6","7","3","7","2","1") = "6"
    & skf21("7","5","6","7","3","7","3","1") = "6"
    & skf21("7","5","6","7","3","7","4","1") = "6"
    & skf21("7","5","6","7","3","7","5","1") = "6"
    & skf21("7","5","6","7","3","7","6","1") = "6"
    & skf21("7","5","6","7","3","7","7","1") = "6"
    & skf21("7","5","6","7","4","1","1","1") = "6"
    & skf21("7","5","6","7","4","1","2","1") = "6"
    & skf21("7","5","6","7","4","1","3","1") = "6"
    & skf21("7","5","6","7","4","1","4","1") = "6"
    & skf21("7","5","6","7","4","1","5","1") = "6"
    & skf21("7","5","6","7","4","1","6","1") = "6"
    & skf21("7","5","6","7","4","1","7","1") = "6"
    & skf21("7","5","6","7","4","2","1","1") = "6"
    & skf21("7","5","6","7","4","2","2","1") = "6"
    & skf21("7","5","6","7","4","2","3","1") = "6"
    & skf21("7","5","6","7","4","2","4","1") = "6"
    & skf21("7","5","6","7","4","2","5","1") = "6"
    & skf21("7","5","6","7","4","2","6","1") = "6"
    & skf21("7","5","6","7","4","2","7","1") = "6"
    & skf21("7","5","6","7","4","3","1","1") = "6"
    & skf21("7","5","6","7","4","3","2","1") = "6"
    & skf21("7","5","6","7","4","3","3","1") = "6"
    & skf21("7","5","6","7","4","3","4","1") = "6"
    & skf21("7","5","6","7","4","3","5","1") = "6"
    & skf21("7","5","6","7","4","3","6","1") = "6"
    & skf21("7","5","6","7","4","3","7","1") = "6"
    & skf21("7","5","6","7","4","4","1","1") = "6"
    & skf21("7","5","6","7","4","4","2","1") = "6"
    & skf21("7","5","6","7","4","4","3","1") = "6"
    & skf21("7","5","6","7","4","4","4","1") = "6"
    & skf21("7","5","6","7","4","4","5","1") = "6"
    & skf21("7","5","6","7","4","4","6","1") = "6"
    & skf21("7","5","6","7","4","4","7","1") = "6"
    & skf21("7","5","6","7","4","5","1","1") = "6"
    & skf21("7","5","6","7","4","5","2","1") = "6"
    & skf21("7","5","6","7","4","5","3","1") = "6"
    & skf21("7","5","6","7","4","5","4","1") = "6"
    & skf21("7","5","6","7","4","5","5","1") = "6"
    & skf21("7","5","6","7","4","5","6","1") = "6"
    & skf21("7","5","6","7","4","5","7","1") = "6"
    & skf21("7","5","6","7","4","6","1","1") = "6"
    & skf21("7","5","6","7","4","6","2","1") = "6"
    & skf21("7","5","6","7","4","6","3","1") = "6"
    & skf21("7","5","6","7","4","6","4","1") = "6"
    & skf21("7","5","6","7","4","6","5","1") = "6"
    & skf21("7","5","6","7","4","6","6","1") = "6"
    & skf21("7","5","6","7","4","6","7","1") = "6"
    & skf21("7","5","6","7","4","7","1","1") = "6"
    & skf21("7","5","6","7","4","7","2","1") = "6"
    & skf21("7","5","6","7","4","7","3","1") = "6"
    & skf21("7","5","6","7","4","7","4","1") = "6"
    & skf21("7","5","6","7","4","7","5","1") = "6"
    & skf21("7","5","6","7","4","7","6","1") = "6"
    & skf21("7","5","6","7","4","7","7","1") = "6"
    & skf21("7","5","6","7","5","1","1","1") = "6"
    & skf21("7","5","6","7","5","1","2","1") = "6"
    & skf21("7","5","6","7","5","1","3","1") = "6"
    & skf21("7","5","6","7","5","1","4","1") = "6"
    & skf21("7","5","6","7","5","1","5","1") = "6"
    & skf21("7","5","6","7","5","1","6","1") = "6"
    & skf21("7","5","6","7","5","1","7","1") = "6"
    & skf21("7","5","6","7","5","2","1","1") = "6"
    & skf21("7","5","6","7","5","2","2","1") = "6"
    & skf21("7","5","6","7","5","2","3","1") = "6"
    & skf21("7","5","6","7","5","2","4","1") = "6"
    & skf21("7","5","6","7","5","2","5","1") = "6"
    & skf21("7","5","6","7","5","2","6","1") = "6"
    & skf21("7","5","6","7","5","2","7","1") = "6"
    & skf21("7","5","6","7","5","3","1","1") = "6"
    & skf21("7","5","6","7","5","3","2","1") = "6"
    & skf21("7","5","6","7","5","3","3","1") = "6"
    & skf21("7","5","6","7","5","3","4","1") = "6"
    & skf21("7","5","6","7","5","3","5","1") = "6"
    & skf21("7","5","6","7","5","3","6","1") = "6"
    & skf21("7","5","6","7","5","3","7","1") = "6"
    & skf21("7","5","6","7","5","4","1","1") = "6"
    & skf21("7","5","6","7","5","4","2","1") = "6"
    & skf21("7","5","6","7","5","4","3","1") = "6"
    & skf21("7","5","6","7","5","4","4","1") = "6"
    & skf21("7","5","6","7","5","4","5","1") = "6"
    & skf21("7","5","6","7","5","4","6","1") = "6"
    & skf21("7","5","6","7","5","4","7","1") = "6"
    & skf21("7","5","6","7","5","5","1","1") = "6"
    & skf21("7","5","6","7","5","5","2","1") = "6"
    & skf21("7","5","6","7","5","5","3","1") = "6"
    & skf21("7","5","6","7","5","5","4","1") = "6"
    & skf21("7","5","6","7","5","5","5","1") = "6"
    & skf21("7","5","6","7","5","5","6","1") = "6"
    & skf21("7","5","6","7","5","5","7","1") = "6"
    & skf21("7","5","6","7","5","6","1","1") = "6"
    & skf21("7","5","6","7","5","6","2","1") = "6"
    & skf21("7","5","6","7","5","6","3","1") = "6"
    & skf21("7","5","6","7","5","6","4","1") = "6"
    & skf21("7","5","6","7","5","6","5","1") = "6"
    & skf21("7","5","6","7","5","6","6","1") = "6"
    & skf21("7","5","6","7","5","6","7","1") = "6"
    & skf21("7","5","6","7","5","7","1","1") = "6"
    & skf21("7","5","6","7","5","7","2","1") = "6"
    & skf21("7","5","6","7","5","7","3","1") = "6"
    & skf21("7","5","6","7","5","7","4","1") = "6"
    & skf21("7","5","6","7","5","7","5","1") = "6"
    & skf21("7","5","6","7","5","7","6","1") = "6"
    & skf21("7","5","6","7","5","7","7","1") = "6"
    & skf21("7","5","6","7","6","1","1","1") = "6"
    & skf21("7","5","6","7","6","1","2","1") = "6"
    & skf21("7","5","6","7","6","1","3","1") = "6"
    & skf21("7","5","6","7","6","1","4","1") = "6"
    & skf21("7","5","6","7","6","1","5","1") = "6"
    & skf21("7","5","6","7","6","1","6","1") = "6"
    & skf21("7","5","6","7","6","1","7","1") = "6"
    & skf21("7","5","6","7","6","2","1","1") = "6"
    & skf21("7","5","6","7","6","2","2","1") = "6"
    & skf21("7","5","6","7","6","2","3","1") = "6"
    & skf21("7","5","6","7","6","2","4","1") = "6"
    & skf21("7","5","6","7","6","2","5","1") = "6"
    & skf21("7","5","6","7","6","2","6","1") = "6"
    & skf21("7","5","6","7","6","2","7","1") = "6"
    & skf21("7","5","6","7","6","3","1","1") = "6"
    & skf21("7","5","6","7","6","3","2","1") = "6"
    & skf21("7","5","6","7","6","3","3","1") = "6"
    & skf21("7","5","6","7","6","3","4","1") = "6"
    & skf21("7","5","6","7","6","3","5","1") = "6"
    & skf21("7","5","6","7","6","3","6","1") = "6"
    & skf21("7","5","6","7","6","3","7","1") = "6"
    & skf21("7","5","6","7","6","4","1","1") = "6"
    & skf21("7","5","6","7","6","4","2","1") = "6"
    & skf21("7","5","6","7","6","4","3","1") = "6"
    & skf21("7","5","6","7","6","4","4","1") = "6"
    & skf21("7","5","6","7","6","4","5","1") = "6"
    & skf21("7","5","6","7","6","4","6","1") = "6"
    & skf21("7","5","6","7","6","4","7","1") = "6"
    & skf21("7","5","6","7","6","5","1","1") = "6"
    & skf21("7","5","6","7","6","5","2","1") = "6"
    & skf21("7","5","6","7","6","5","3","1") = "6"
    & skf21("7","5","6","7","6","5","4","1") = "6"
    & skf21("7","5","6","7","6","5","5","1") = "6"
    & skf21("7","5","6","7","6","5","6","1") = "6"
    & skf21("7","5","6","7","6","5","7","1") = "6"
    & skf21("7","5","6","7","6","6","1","1") = "6"
    & skf21("7","5","6","7","6","6","2","1") = "6"
    & skf21("7","5","6","7","6","6","3","1") = "6"
    & skf21("7","5","6","7","6","6","4","1") = "6"
    & skf21("7","5","6","7","6","6","5","1") = "6"
    & skf21("7","5","6","7","6","6","6","1") = "6"
    & skf21("7","5","6","7","6","6","7","1") = "6"
    & skf21("7","5","6","7","6","7","1","1") = "6"
    & skf21("7","5","6","7","6","7","2","1") = "6"
    & skf21("7","5","6","7","6","7","3","1") = "6"
    & skf21("7","5","6","7","6","7","4","1") = "6"
    & skf21("7","5","6","7","6","7","5","1") = "6"
    & skf21("7","5","6","7","6","7","6","1") = "6"
    & skf21("7","5","6","7","6","7","7","1") = "6"
    & skf21("7","5","6","7","7","1","1","1") = "6"
    & skf21("7","5","6","7","7","1","2","1") = "6"
    & skf21("7","5","6","7","7","1","3","1") = "6"
    & skf21("7","5","6","7","7","1","4","1") = "6"
    & skf21("7","5","6","7","7","1","5","1") = "6"
    & skf21("7","5","6","7","7","1","6","1") = "6"
    & skf21("7","5","6","7","7","1","7","1") = "6"
    & skf21("7","5","6","7","7","2","1","1") = "6"
    & skf21("7","5","6","7","7","2","2","1") = "6"
    & skf21("7","5","6","7","7","2","3","1") = "6"
    & skf21("7","5","6","7","7","2","4","1") = "6"
    & skf21("7","5","6","7","7","2","5","1") = "6"
    & skf21("7","5","6","7","7","2","6","1") = "6"
    & skf21("7","5","6","7","7","2","7","1") = "6"
    & skf21("7","5","6","7","7","3","1","1") = "6"
    & skf21("7","5","6","7","7","3","2","1") = "6"
    & skf21("7","5","6","7","7","3","3","1") = "6"
    & skf21("7","5","6","7","7","3","4","1") = "6"
    & skf21("7","5","6","7","7","3","5","1") = "6"
    & skf21("7","5","6","7","7","3","6","1") = "6"
    & skf21("7","5","6","7","7","3","7","1") = "6"
    & skf21("7","5","6","7","7","4","1","1") = "6"
    & skf21("7","5","6","7","7","4","2","1") = "6"
    & skf21("7","5","6","7","7","4","3","1") = "6"
    & skf21("7","5","6","7","7","4","4","1") = "6"
    & skf21("7","5","6","7","7","4","5","1") = "6"
    & skf21("7","5","6","7","7","4","6","1") = "6"
    & skf21("7","5","6","7","7","4","7","1") = "6"
    & skf21("7","5","6","7","7","5","1","1") = "6"
    & skf21("7","5","6","7","7","5","2","1") = "6"
    & skf21("7","5","6","7","7","5","3","1") = "6"
    & skf21("7","5","6","7","7","5","4","1") = "6"
    & skf21("7","5","6","7","7","5","5","1") = "6"
    & skf21("7","5","6","7","7","5","6","1") = "6"
    & skf21("7","5","6","7","7","5","7","1") = "6"
    & skf21("7","5","6","7","7","6","1","1") = "6"
    & skf21("7","5","6","7","7","6","2","1") = "6"
    & skf21("7","5","6","7","7","6","3","1") = "6"
    & skf21("7","5","6","7","7","6","4","1") = "6"
    & skf21("7","5","6","7","7","6","5","1") = "6"
    & skf21("7","5","6","7","7","6","6","1") = "6"
    & skf21("7","5","6","7","7","6","7","1") = "6"
    & skf21("7","5","6","7","7","7","1","1") = "6"
    & skf21("7","5","6","7","7","7","2","1") = "6"
    & skf21("7","5","6","7","7","7","3","1") = "6"
    & skf21("7","5","6","7","7","7","4","1") = "6"
    & skf21("7","5","6","7","7","7","5","1") = "6"
    & skf21("7","5","6","7","7","7","6","1") = "6"
    & skf21("7","5","6","7","7","7","7","1") = "6"
    & skf21("7","5","7","1","1","1","1","1") = "6"
    & skf21("7","5","7","1","1","1","2","1") = "6"
    & skf21("7","5","7","1","1","1","3","1") = "6"
    & skf21("7","5","7","1","1","1","4","1") = "6"
    & skf21("7","5","7","1","1","1","5","1") = "6"
    & skf21("7","5","7","1","1","1","6","1") = "6"
    & skf21("7","5","7","1","1","1","7","1") = "6"
    & skf21("7","5","7","1","1","2","1","1") = "6"
    & skf21("7","5","7","1","1","2","2","1") = "6"
    & skf21("7","5","7","1","1","2","3","1") = "6"
    & skf21("7","5","7","1","1","2","4","1") = "6"
    & skf21("7","5","7","1","1","2","5","1") = "6"
    & skf21("7","5","7","1","1","2","6","1") = "6"
    & skf21("7","5","7","1","1","2","7","1") = "6"
    & skf21("7","5","7","1","1","3","1","1") = "6"
    & skf21("7","5","7","1","1","3","2","1") = "6"
    & skf21("7","5","7","1","1","3","3","1") = "6"
    & skf21("7","5","7","1","1","3","4","1") = "6"
    & skf21("7","5","7","1","1","3","5","1") = "6"
    & skf21("7","5","7","1","1","3","6","1") = "6"
    & skf21("7","5","7","1","1","3","7","1") = "6"
    & skf21("7","5","7","1","1","4","1","1") = "6"
    & skf21("7","5","7","1","1","4","2","1") = "6"
    & skf21("7","5","7","1","1","4","3","1") = "6"
    & skf21("7","5","7","1","1","4","4","1") = "6"
    & skf21("7","5","7","1","1","4","5","1") = "6"
    & skf21("7","5","7","1","1","4","6","1") = "6"
    & skf21("7","5","7","1","1","4","7","1") = "6"
    & skf21("7","5","7","1","1","5","1","1") = "6"
    & skf21("7","5","7","1","1","5","2","1") = "6"
    & skf21("7","5","7","1","1","5","3","1") = "6"
    & skf21("7","5","7","1","1","5","4","1") = "6"
    & skf21("7","5","7","1","1","5","5","1") = "6"
    & skf21("7","5","7","1","1","5","6","1") = "6"
    & skf21("7","5","7","1","1","5","7","1") = "6"
    & skf21("7","5","7","1","1","6","1","1") = "6"
    & skf21("7","5","7","1","1","6","2","1") = "6"
    & skf21("7","5","7","1","1","6","3","1") = "6"
    & skf21("7","5","7","1","1","6","4","1") = "6"
    & skf21("7","5","7","1","1","6","5","1") = "6"
    & skf21("7","5","7","1","1","6","6","1") = "6"
    & skf21("7","5","7","1","1","6","7","1") = "6"
    & skf21("7","5","7","1","1","7","1","1") = "6"
    & skf21("7","5","7","1","1","7","2","1") = "6"
    & skf21("7","5","7","1","1","7","3","1") = "6"
    & skf21("7","5","7","1","1","7","4","1") = "6"
    & skf21("7","5","7","1","1","7","5","1") = "6"
    & skf21("7","5","7","1","1","7","6","1") = "6"
    & skf21("7","5","7","1","1","7","7","1") = "6"
    & skf21("7","5","7","1","2","1","1","1") = "6"
    & skf21("7","5","7","1","2","1","2","1") = "6"
    & skf21("7","5","7","1","2","1","3","1") = "6"
    & skf21("7","5","7","1","2","1","4","1") = "6"
    & skf21("7","5","7","1","2","1","5","1") = "6"
    & skf21("7","5","7","1","2","1","6","1") = "6"
    & skf21("7","5","7","1","2","1","7","1") = "6"
    & skf21("7","5","7","1","2","2","1","1") = "6"
    & skf21("7","5","7","1","2","2","2","1") = "6"
    & skf21("7","5","7","1","2","2","3","1") = "6"
    & skf21("7","5","7","1","2","2","4","1") = "6"
    & skf21("7","5","7","1","2","2","5","1") = "6"
    & skf21("7","5","7","1","2","2","6","1") = "6"
    & skf21("7","5","7","1","2","2","7","1") = "6"
    & skf21("7","5","7","1","2","3","1","1") = "6"
    & skf21("7","5","7","1","2","3","2","1") = "6"
    & skf21("7","5","7","1","2","3","3","1") = "6"
    & skf21("7","5","7","1","2","3","4","1") = "6"
    & skf21("7","5","7","1","2","3","5","1") = "6"
    & skf21("7","5","7","1","2","3","6","1") = "6"
    & skf21("7","5","7","1","2","3","7","1") = "6"
    & skf21("7","5","7","1","2","4","1","1") = "6"
    & skf21("7","5","7","1","2","4","2","1") = "6"
    & skf21("7","5","7","1","2","4","3","1") = "6"
    & skf21("7","5","7","1","2","4","4","1") = "6"
    & skf21("7","5","7","1","2","4","5","1") = "6"
    & skf21("7","5","7","1","2","4","6","1") = "6"
    & skf21("7","5","7","1","2","4","7","1") = "6"
    & skf21("7","5","7","1","2","5","1","1") = "6"
    & skf21("7","5","7","1","2","5","2","1") = "6"
    & skf21("7","5","7","1","2","5","3","1") = "6"
    & skf21("7","5","7","1","2","5","4","1") = "6"
    & skf21("7","5","7","1","2","5","5","1") = "6"
    & skf21("7","5","7","1","2","5","6","1") = "6"
    & skf21("7","5","7","1","2","5","7","1") = "6"
    & skf21("7","5","7","1","2","6","1","1") = "6"
    & skf21("7","5","7","1","2","6","2","1") = "6"
    & skf21("7","5","7","1","2","6","3","1") = "6"
    & skf21("7","5","7","1","2","6","4","1") = "6"
    & skf21("7","5","7","1","2","6","5","1") = "6"
    & skf21("7","5","7","1","2","6","6","1") = "6"
    & skf21("7","5","7","1","2","6","7","1") = "6"
    & skf21("7","5","7","1","2","7","1","1") = "6"
    & skf21("7","5","7","1","2","7","2","1") = "6"
    & skf21("7","5","7","1","2","7","3","1") = "6"
    & skf21("7","5","7","1","2","7","4","1") = "6"
    & skf21("7","5","7","1","2","7","5","1") = "6"
    & skf21("7","5","7","1","2","7","6","1") = "6"
    & skf21("7","5","7","1","2","7","7","1") = "6"
    & skf21("7","5","7","1","3","1","1","1") = "6"
    & skf21("7","5","7","1","3","1","2","1") = "6"
    & skf21("7","5","7","1","3","1","3","1") = "6"
    & skf21("7","5","7","1","3","1","4","1") = "6"
    & skf21("7","5","7","1","3","1","5","1") = "6"
    & skf21("7","5","7","1","3","1","6","1") = "6"
    & skf21("7","5","7","1","3","1","7","1") = "6"
    & skf21("7","5","7","1","3","2","1","1") = "6"
    & skf21("7","5","7","1","3","2","2","1") = "6"
    & skf21("7","5","7","1","3","2","3","1") = "6"
    & skf21("7","5","7","1","3","2","4","1") = "6"
    & skf21("7","5","7","1","3","2","5","1") = "6"
    & skf21("7","5","7","1","3","2","6","1") = "6"
    & skf21("7","5","7","1","3","2","7","1") = "6"
    & skf21("7","5","7","1","3","3","1","1") = "6"
    & skf21("7","5","7","1","3","3","2","1") = "6"
    & skf21("7","5","7","1","3","3","3","1") = "6"
    & skf21("7","5","7","1","3","3","4","1") = "6"
    & skf21("7","5","7","1","3","3","5","1") = "6"
    & skf21("7","5","7","1","3","3","6","1") = "6"
    & skf21("7","5","7","1","3","3","7","1") = "6"
    & skf21("7","5","7","1","3","4","1","1") = "6"
    & skf21("7","5","7","1","3","4","2","1") = "6"
    & skf21("7","5","7","1","3","4","3","1") = "6"
    & skf21("7","5","7","1","3","4","4","1") = "6"
    & skf21("7","5","7","1","3","4","5","1") = "6"
    & skf21("7","5","7","1","3","4","6","1") = "6"
    & skf21("7","5","7","1","3","4","7","1") = "6"
    & skf21("7","5","7","1","3","5","1","1") = "6"
    & skf21("7","5","7","1","3","5","2","1") = "6"
    & skf21("7","5","7","1","3","5","3","1") = "6"
    & skf21("7","5","7","1","3","5","4","1") = "6"
    & skf21("7","5","7","1","3","5","5","1") = "6"
    & skf21("7","5","7","1","3","5","6","1") = "6"
    & skf21("7","5","7","1","3","5","7","1") = "6"
    & skf21("7","5","7","1","3","6","1","1") = "6"
    & skf21("7","5","7","1","3","6","2","1") = "6"
    & skf21("7","5","7","1","3","6","3","1") = "6"
    & skf21("7","5","7","1","3","6","4","1") = "6"
    & skf21("7","5","7","1","3","6","5","1") = "6"
    & skf21("7","5","7","1","3","6","6","1") = "6"
    & skf21("7","5","7","1","3","6","7","1") = "6"
    & skf21("7","5","7","1","3","7","1","1") = "6"
    & skf21("7","5","7","1","3","7","2","1") = "6"
    & skf21("7","5","7","1","3","7","3","1") = "6"
    & skf21("7","5","7","1","3","7","4","1") = "6"
    & skf21("7","5","7","1","3","7","5","1") = "6"
    & skf21("7","5","7","1","3","7","6","1") = "6"
    & skf21("7","5","7","1","3","7","7","1") = "6"
    & skf21("7","5","7","1","4","1","1","1") = "6"
    & skf21("7","5","7","1","4","1","2","1") = "6"
    & skf21("7","5","7","1","4","1","3","1") = "6"
    & skf21("7","5","7","1","4","1","4","1") = "6"
    & skf21("7","5","7","1","4","1","5","1") = "6"
    & skf21("7","5","7","1","4","1","6","1") = "6"
    & skf21("7","5","7","1","4","1","7","1") = "6"
    & skf21("7","5","7","1","4","2","1","1") = "6"
    & skf21("7","5","7","1","4","2","2","1") = "6"
    & skf21("7","5","7","1","4","2","3","1") = "6"
    & skf21("7","5","7","1","4","2","4","1") = "6"
    & skf21("7","5","7","1","4","2","5","1") = "6"
    & skf21("7","5","7","1","4","2","6","1") = "6"
    & skf21("7","5","7","1","4","2","7","1") = "6"
    & skf21("7","5","7","1","4","3","1","1") = "6"
    & skf21("7","5","7","1","4","3","2","1") = "6"
    & skf21("7","5","7","1","4","3","3","1") = "6"
    & skf21("7","5","7","1","4","3","4","1") = "6"
    & skf21("7","5","7","1","4","3","5","1") = "6"
    & skf21("7","5","7","1","4","3","6","1") = "6"
    & skf21("7","5","7","1","4","3","7","1") = "6"
    & skf21("7","5","7","1","4","4","1","1") = "6"
    & skf21("7","5","7","1","4","4","2","1") = "6"
    & skf21("7","5","7","1","4","4","3","1") = "6"
    & skf21("7","5","7","1","4","4","4","1") = "6"
    & skf21("7","5","7","1","4","4","5","1") = "6"
    & skf21("7","5","7","1","4","4","6","1") = "6"
    & skf21("7","5","7","1","4","4","7","1") = "6"
    & skf21("7","5","7","1","4","5","1","1") = "6"
    & skf21("7","5","7","1","4","5","2","1") = "6"
    & skf21("7","5","7","1","4","5","3","1") = "6"
    & skf21("7","5","7","1","4","5","4","1") = "6"
    & skf21("7","5","7","1","4","5","5","1") = "6"
    & skf21("7","5","7","1","4","5","6","1") = "6"
    & skf21("7","5","7","1","4","5","7","1") = "6"
    & skf21("7","5","7","1","4","6","1","1") = "6"
    & skf21("7","5","7","1","4","6","2","1") = "6"
    & skf21("7","5","7","1","4","6","3","1") = "6"
    & skf21("7","5","7","1","4","6","4","1") = "6"
    & skf21("7","5","7","1","4","6","5","1") = "6"
    & skf21("7","5","7","1","4","6","6","1") = "6"
    & skf21("7","5","7","1","4","6","7","1") = "6"
    & skf21("7","5","7","1","4","7","1","1") = "6"
    & skf21("7","5","7","1","4","7","2","1") = "6"
    & skf21("7","5","7","1","4","7","3","1") = "6"
    & skf21("7","5","7","1","4","7","4","1") = "6"
    & skf21("7","5","7","1","4","7","5","1") = "6"
    & skf21("7","5","7","1","4","7","6","1") = "6"
    & skf21("7","5","7","1","4","7","7","1") = "6"
    & skf21("7","5","7","1","5","1","1","1") = "6"
    & skf21("7","5","7","1","5","1","2","1") = "6"
    & skf21("7","5","7","1","5","1","3","1") = "6"
    & skf21("7","5","7","1","5","1","4","1") = "6"
    & skf21("7","5","7","1","5","1","5","1") = "6"
    & skf21("7","5","7","1","5","1","6","1") = "6"
    & skf21("7","5","7","1","5","1","7","1") = "6"
    & skf21("7","5","7","1","5","2","1","1") = "6"
    & skf21("7","5","7","1","5","2","2","1") = "6"
    & skf21("7","5","7","1","5","2","3","1") = "6"
    & skf21("7","5","7","1","5","2","4","1") = "6"
    & skf21("7","5","7","1","5","2","5","1") = "6"
    & skf21("7","5","7","1","5","2","6","1") = "6"
    & skf21("7","5","7","1","5","2","7","1") = "6"
    & skf21("7","5","7","1","5","3","1","1") = "6"
    & skf21("7","5","7","1","5","3","2","1") = "6"
    & skf21("7","5","7","1","5","3","3","1") = "6"
    & skf21("7","5","7","1","5","3","4","1") = "6"
    & skf21("7","5","7","1","5","3","5","1") = "6"
    & skf21("7","5","7","1","5","3","6","1") = "6"
    & skf21("7","5","7","1","5","3","7","1") = "6"
    & skf21("7","5","7","1","5","4","1","1") = "6"
    & skf21("7","5","7","1","5","4","2","1") = "6"
    & skf21("7","5","7","1","5","4","3","1") = "6"
    & skf21("7","5","7","1","5","4","4","1") = "6"
    & skf21("7","5","7","1","5","4","5","1") = "6"
    & skf21("7","5","7","1","5","4","6","1") = "6"
    & skf21("7","5","7","1","5","4","7","1") = "6"
    & skf21("7","5","7","1","5","5","1","1") = "6"
    & skf21("7","5","7","1","5","5","2","1") = "6"
    & skf21("7","5","7","1","5","5","3","1") = "6"
    & skf21("7","5","7","1","5","5","4","1") = "6"
    & skf21("7","5","7","1","5","5","5","1") = "6"
    & skf21("7","5","7","1","5","5","6","1") = "6"
    & skf21("7","5","7","1","5","5","7","1") = "6"
    & skf21("7","5","7","1","5","6","1","1") = "6"
    & skf21("7","5","7","1","5","6","2","1") = "6"
    & skf21("7","5","7","1","5","6","3","1") = "6"
    & skf21("7","5","7","1","5","6","4","1") = "6"
    & skf21("7","5","7","1","5","6","5","1") = "6"
    & skf21("7","5","7","1","5","6","6","1") = "6"
    & skf21("7","5","7","1","5","6","7","1") = "6"
    & skf21("7","5","7","1","5","7","1","1") = "6"
    & skf21("7","5","7","1","5","7","2","1") = "6"
    & skf21("7","5","7","1","5","7","3","1") = "6"
    & skf21("7","5","7","1","5","7","4","1") = "6"
    & skf21("7","5","7","1","5","7","5","1") = "6"
    & skf21("7","5","7","1","5","7","6","1") = "6"
    & skf21("7","5","7","1","5","7","7","1") = "6"
    & skf21("7","5","7","1","6","1","1","1") = "6"
    & skf21("7","5","7","1","6","1","2","1") = "6"
    & skf21("7","5","7","1","6","1","3","1") = "6"
    & skf21("7","5","7","1","6","1","4","1") = "6"
    & skf21("7","5","7","1","6","1","5","1") = "6"
    & skf21("7","5","7","1","6","1","6","1") = "6"
    & skf21("7","5","7","1","6","1","7","1") = "6"
    & skf21("7","5","7","1","6","2","1","1") = "6"
    & skf21("7","5","7","1","6","2","2","1") = "6"
    & skf21("7","5","7","1","6","2","3","1") = "6"
    & skf21("7","5","7","1","6","2","4","1") = "6"
    & skf21("7","5","7","1","6","2","5","1") = "6"
    & skf21("7","5","7","1","6","2","6","1") = "6"
    & skf21("7","5","7","1","6","2","7","1") = "6"
    & skf21("7","5","7","1","6","3","1","1") = "6"
    & skf21("7","5","7","1","6","3","2","1") = "6"
    & skf21("7","5","7","1","6","3","3","1") = "6"
    & skf21("7","5","7","1","6","3","4","1") = "6"
    & skf21("7","5","7","1","6","3","5","1") = "6"
    & skf21("7","5","7","1","6","3","6","1") = "6"
    & skf21("7","5","7","1","6","3","7","1") = "6"
    & skf21("7","5","7","1","6","4","1","1") = "6"
    & skf21("7","5","7","1","6","4","2","1") = "6"
    & skf21("7","5","7","1","6","4","3","1") = "6"
    & skf21("7","5","7","1","6","4","4","1") = "6"
    & skf21("7","5","7","1","6","4","5","1") = "6"
    & skf21("7","5","7","1","6","4","6","1") = "6"
    & skf21("7","5","7","1","6","4","7","1") = "6"
    & skf21("7","5","7","1","6","5","1","1") = "6"
    & skf21("7","5","7","1","6","5","2","1") = "6"
    & skf21("7","5","7","1","6","5","3","1") = "6"
    & skf21("7","5","7","1","6","5","4","1") = "6"
    & skf21("7","5","7","1","6","5","5","1") = "6"
    & skf21("7","5","7","1","6","5","6","1") = "6"
    & skf21("7","5","7","1","6","5","7","1") = "6"
    & skf21("7","5","7","1","6","6","1","1") = "6"
    & skf21("7","5","7","1","6","6","2","1") = "6"
    & skf21("7","5","7","1","6","6","3","1") = "6"
    & skf21("7","5","7","1","6","6","4","1") = "6"
    & skf21("7","5","7","1","6","6","5","1") = "6"
    & skf21("7","5","7","1","6","6","6","1") = "6"
    & skf21("7","5","7","1","6","6","7","1") = "6"
    & skf21("7","5","7","1","6","7","1","1") = "6"
    & skf21("7","5","7","1","6","7","2","1") = "6"
    & skf21("7","5","7","1","6","7","3","1") = "6"
    & skf21("7","5","7","1","6","7","4","1") = "6"
    & skf21("7","5","7","1","6","7","5","1") = "6"
    & skf21("7","5","7","1","6","7","6","1") = "6"
    & skf21("7","5","7","1","6","7","7","1") = "6"
    & skf21("7","5","7","1","7","1","1","1") = "6"
    & skf21("7","5","7","1","7","1","2","1") = "6"
    & skf21("7","5","7","1","7","1","3","1") = "6"
    & skf21("7","5","7","1","7","1","4","1") = "6"
    & skf21("7","5","7","1","7","1","5","1") = "6"
    & skf21("7","5","7","1","7","1","6","1") = "6"
    & skf21("7","5","7","1","7","1","7","1") = "6"
    & skf21("7","5","7","1","7","2","1","1") = "6"
    & skf21("7","5","7","1","7","2","2","1") = "6"
    & skf21("7","5","7","1","7","2","3","1") = "6"
    & skf21("7","5","7","1","7","2","4","1") = "6"
    & skf21("7","5","7","1","7","2","5","1") = "6"
    & skf21("7","5","7","1","7","2","6","1") = "6"
    & skf21("7","5","7","1","7","2","7","1") = "6"
    & skf21("7","5","7","1","7","3","1","1") = "6"
    & skf21("7","5","7","1","7","3","2","1") = "6"
    & skf21("7","5","7","1","7","3","3","1") = "6"
    & skf21("7","5","7","1","7","3","4","1") = "6"
    & skf21("7","5","7","1","7","3","5","1") = "6"
    & skf21("7","5","7","1","7","3","6","1") = "6"
    & skf21("7","5","7","1","7","3","7","1") = "6"
    & skf21("7","5","7","1","7","4","1","1") = "6"
    & skf21("7","5","7","1","7","4","2","1") = "6"
    & skf21("7","5","7","1","7","4","3","1") = "6"
    & skf21("7","5","7","1","7","4","4","1") = "6"
    & skf21("7","5","7","1","7","4","5","1") = "6"
    & skf21("7","5","7","1","7","4","6","1") = "6"
    & skf21("7","5","7","1","7","4","7","1") = "6"
    & skf21("7","5","7","1","7","5","1","1") = "6"
    & skf21("7","5","7","1","7","5","2","1") = "6"
    & skf21("7","5","7","1","7","5","3","1") = "6"
    & skf21("7","5","7","1","7","5","4","1") = "6"
    & skf21("7","5","7","1","7","5","5","1") = "6"
    & skf21("7","5","7","1","7","5","6","1") = "6"
    & skf21("7","5","7","1","7","5","7","1") = "6"
    & skf21("7","5","7","1","7","6","1","1") = "6"
    & skf21("7","5","7","1","7","6","2","1") = "6"
    & skf21("7","5","7","1","7","6","3","1") = "6"
    & skf21("7","5","7","1","7","6","4","1") = "6"
    & skf21("7","5","7","1","7","6","5","1") = "6"
    & skf21("7","5","7","1","7","6","6","1") = "6"
    & skf21("7","5","7","1","7","6","7","1") = "6"
    & skf21("7","5","7","1","7","7","1","1") = "6"
    & skf21("7","5","7","1","7","7","2","1") = "6"
    & skf21("7","5","7","1","7","7","3","1") = "6"
    & skf21("7","5","7","1","7","7","4","1") = "6"
    & skf21("7","5","7","1","7","7","5","1") = "6"
    & skf21("7","5","7","1","7","7","6","1") = "6"
    & skf21("7","5","7","1","7","7","7","1") = "6"
    & skf21("7","5","7","2","1","1","1","1") = "6"
    & skf21("7","5","7","2","1","1","2","1") = "6"
    & skf21("7","5","7","2","1","1","3","1") = "6"
    & skf21("7","5","7","2","1","1","4","1") = "6"
    & skf21("7","5","7","2","1","1","5","1") = "6"
    & skf21("7","5","7","2","1","1","6","1") = "6"
    & skf21("7","5","7","2","1","1","7","1") = "6"
    & skf21("7","5","7","2","1","2","1","1") = "6"
    & skf21("7","5","7","2","1","2","2","1") = "6"
    & skf21("7","5","7","2","1","2","3","1") = "6"
    & skf21("7","5","7","2","1","2","4","1") = "6"
    & skf21("7","5","7","2","1","2","5","1") = "6"
    & skf21("7","5","7","2","1","2","6","1") = "6"
    & skf21("7","5","7","2","1","2","7","1") = "6"
    & skf21("7","5","7","2","1","3","1","1") = "6"
    & skf21("7","5","7","2","1","3","2","1") = "6"
    & skf21("7","5","7","2","1","3","3","1") = "6"
    & skf21("7","5","7","2","1","3","4","1") = "6"
    & skf21("7","5","7","2","1","3","5","1") = "6"
    & skf21("7","5","7","2","1","3","6","1") = "6"
    & skf21("7","5","7","2","1","3","7","1") = "6"
    & skf21("7","5","7","2","1","4","1","1") = "6"
    & skf21("7","5","7","2","1","4","2","1") = "6"
    & skf21("7","5","7","2","1","4","3","1") = "6"
    & skf21("7","5","7","2","1","4","4","1") = "6"
    & skf21("7","5","7","2","1","4","5","1") = "6"
    & skf21("7","5","7","2","1","4","6","1") = "6"
    & skf21("7","5","7","2","1","4","7","1") = "6"
    & skf21("7","5","7","2","1","5","1","1") = "6"
    & skf21("7","5","7","2","1","5","2","1") = "6"
    & skf21("7","5","7","2","1","5","3","1") = "6"
    & skf21("7","5","7","2","1","5","4","1") = "6"
    & skf21("7","5","7","2","1","5","5","1") = "6"
    & skf21("7","5","7","2","1","5","6","1") = "6"
    & skf21("7","5","7","2","1","5","7","1") = "6"
    & skf21("7","5","7","2","1","6","1","1") = "6"
    & skf21("7","5","7","2","1","6","2","1") = "6"
    & skf21("7","5","7","2","1","6","3","1") = "6"
    & skf21("7","5","7","2","1","6","4","1") = "6"
    & skf21("7","5","7","2","1","6","5","1") = "6"
    & skf21("7","5","7","2","1","6","6","1") = "6"
    & skf21("7","5","7","2","1","6","7","1") = "6"
    & skf21("7","5","7","2","1","7","1","1") = "6"
    & skf21("7","5","7","2","1","7","2","1") = "6"
    & skf21("7","5","7","2","1","7","3","1") = "6"
    & skf21("7","5","7","2","1","7","4","1") = "6"
    & skf21("7","5","7","2","1","7","5","1") = "6"
    & skf21("7","5","7","2","1","7","6","1") = "6"
    & skf21("7","5","7","2","1","7","7","1") = "6"
    & skf21("7","5","7","2","2","1","1","1") = "6"
    & skf21("7","5","7","2","2","1","2","1") = "6"
    & skf21("7","5","7","2","2","1","3","1") = "6"
    & skf21("7","5","7","2","2","1","4","1") = "6"
    & skf21("7","5","7","2","2","1","5","1") = "6"
    & skf21("7","5","7","2","2","1","6","1") = "6"
    & skf21("7","5","7","2","2","1","7","1") = "6"
    & skf21("7","5","7","2","2","2","1","1") = "6"
    & skf21("7","5","7","2","2","2","2","1") = "6"
    & skf21("7","5","7","2","2","2","3","1") = "6"
    & skf21("7","5","7","2","2","2","4","1") = "6"
    & skf21("7","5","7","2","2","2","5","1") = "6"
    & skf21("7","5","7","2","2","2","6","1") = "6"
    & skf21("7","5","7","2","2","2","7","1") = "6"
    & skf21("7","5","7","2","2","3","1","1") = "6"
    & skf21("7","5","7","2","2","3","2","1") = "6"
    & skf21("7","5","7","2","2","3","3","1") = "6"
    & skf21("7","5","7","2","2","3","4","1") = "6"
    & skf21("7","5","7","2","2","3","5","1") = "6"
    & skf21("7","5","7","2","2","3","6","1") = "6"
    & skf21("7","5","7","2","2","3","7","1") = "6"
    & skf21("7","5","7","2","2","4","1","1") = "6"
    & skf21("7","5","7","2","2","4","2","1") = "6"
    & skf21("7","5","7","2","2","4","3","1") = "6"
    & skf21("7","5","7","2","2","4","4","1") = "6"
    & skf21("7","5","7","2","2","4","5","1") = "6"
    & skf21("7","5","7","2","2","4","6","1") = "6"
    & skf21("7","5","7","2","2","4","7","1") = "6"
    & skf21("7","5","7","2","2","5","1","1") = "6"
    & skf21("7","5","7","2","2","5","2","1") = "6"
    & skf21("7","5","7","2","2","5","3","1") = "6"
    & skf21("7","5","7","2","2","5","4","1") = "6"
    & skf21("7","5","7","2","2","5","5","1") = "6"
    & skf21("7","5","7","2","2","5","6","1") = "6"
    & skf21("7","5","7","2","2","5","7","1") = "6"
    & skf21("7","5","7","2","2","6","1","1") = "6"
    & skf21("7","5","7","2","2","6","2","1") = "6"
    & skf21("7","5","7","2","2","6","3","1") = "6"
    & skf21("7","5","7","2","2","6","4","1") = "6"
    & skf21("7","5","7","2","2","6","5","1") = "6"
    & skf21("7","5","7","2","2","6","6","1") = "6"
    & skf21("7","5","7","2","2","6","7","1") = "6"
    & skf21("7","5","7","2","2","7","1","1") = "6"
    & skf21("7","5","7","2","2","7","2","1") = "6"
    & skf21("7","5","7","2","2","7","3","1") = "6"
    & skf21("7","5","7","2","2","7","4","1") = "6"
    & skf21("7","5","7","2","2","7","5","1") = "6"
    & skf21("7","5","7","2","2","7","6","1") = "6"
    & skf21("7","5","7","2","2","7","7","1") = "6"
    & skf21("7","5","7","2","3","1","1","1") = "6"
    & skf21("7","5","7","2","3","1","2","1") = "6"
    & skf21("7","5","7","2","3","1","3","1") = "6"
    & skf21("7","5","7","2","3","1","4","1") = "6"
    & skf21("7","5","7","2","3","1","5","1") = "6"
    & skf21("7","5","7","2","3","1","6","1") = "6"
    & skf21("7","5","7","2","3","1","7","1") = "6"
    & skf21("7","5","7","2","3","2","1","1") = "6"
    & skf21("7","5","7","2","3","2","2","1") = "6"
    & skf21("7","5","7","2","3","2","3","1") = "6"
    & skf21("7","5","7","2","3","2","4","1") = "6"
    & skf21("7","5","7","2","3","2","5","1") = "6"
    & skf21("7","5","7","2","3","2","6","1") = "6"
    & skf21("7","5","7","2","3","2","7","1") = "6"
    & skf21("7","5","7","2","3","3","1","1") = "6"
    & skf21("7","5","7","2","3","3","2","1") = "6"
    & skf21("7","5","7","2","3","3","3","1") = "6"
    & skf21("7","5","7","2","3","3","4","1") = "6"
    & skf21("7","5","7","2","3","3","5","1") = "6"
    & skf21("7","5","7","2","3","3","6","1") = "6"
    & skf21("7","5","7","2","3","3","7","1") = "6"
    & skf21("7","5","7","2","3","4","1","1") = "6"
    & skf21("7","5","7","2","3","4","2","1") = "6"
    & skf21("7","5","7","2","3","4","3","1") = "6"
    & skf21("7","5","7","2","3","4","4","1") = "6"
    & skf21("7","5","7","2","3","4","5","1") = "6"
    & skf21("7","5","7","2","3","4","6","1") = "6"
    & skf21("7","5","7","2","3","4","7","1") = "6"
    & skf21("7","5","7","2","3","5","1","1") = "6"
    & skf21("7","5","7","2","3","5","2","1") = "6"
    & skf21("7","5","7","2","3","5","3","1") = "6"
    & skf21("7","5","7","2","3","5","4","1") = "6"
    & skf21("7","5","7","2","3","5","5","1") = "6"
    & skf21("7","5","7","2","3","5","6","1") = "6"
    & skf21("7","5","7","2","3","5","7","1") = "6"
    & skf21("7","5","7","2","3","6","1","1") = "6"
    & skf21("7","5","7","2","3","6","2","1") = "6"
    & skf21("7","5","7","2","3","6","3","1") = "6"
    & skf21("7","5","7","2","3","6","4","1") = "6"
    & skf21("7","5","7","2","3","6","5","1") = "6"
    & skf21("7","5","7","2","3","6","6","1") = "6"
    & skf21("7","5","7","2","3","6","7","1") = "6"
    & skf21("7","5","7","2","3","7","1","1") = "6"
    & skf21("7","5","7","2","3","7","2","1") = "6"
    & skf21("7","5","7","2","3","7","3","1") = "6"
    & skf21("7","5","7","2","3","7","4","1") = "6"
    & skf21("7","5","7","2","3","7","5","1") = "6"
    & skf21("7","5","7","2","3","7","6","1") = "6"
    & skf21("7","5","7","2","3","7","7","1") = "6"
    & skf21("7","5","7","2","4","1","1","1") = "6"
    & skf21("7","5","7","2","4","1","2","1") = "6"
    & skf21("7","5","7","2","4","1","3","1") = "6"
    & skf21("7","5","7","2","4","1","4","1") = "6"
    & skf21("7","5","7","2","4","1","5","1") = "6"
    & skf21("7","5","7","2","4","1","6","1") = "6"
    & skf21("7","5","7","2","4","1","7","1") = "6"
    & skf21("7","5","7","2","4","2","1","1") = "6"
    & skf21("7","5","7","2","4","2","2","1") = "6"
    & skf21("7","5","7","2","4","2","3","1") = "6"
    & skf21("7","5","7","2","4","2","4","1") = "6"
    & skf21("7","5","7","2","4","2","5","1") = "6"
    & skf21("7","5","7","2","4","2","6","1") = "6"
    & skf21("7","5","7","2","4","2","7","1") = "6"
    & skf21("7","5","7","2","4","3","1","1") = "6"
    & skf21("7","5","7","2","4","3","2","1") = "6"
    & skf21("7","5","7","2","4","3","3","1") = "6"
    & skf21("7","5","7","2","4","3","4","1") = "6"
    & skf21("7","5","7","2","4","3","5","1") = "6"
    & skf21("7","5","7","2","4","3","6","1") = "6"
    & skf21("7","5","7","2","4","3","7","1") = "6"
    & skf21("7","5","7","2","4","4","1","1") = "6"
    & skf21("7","5","7","2","4","4","2","1") = "6"
    & skf21("7","5","7","2","4","4","3","1") = "6"
    & skf21("7","5","7","2","4","4","4","1") = "6"
    & skf21("7","5","7","2","4","4","5","1") = "6"
    & skf21("7","5","7","2","4","4","6","1") = "6"
    & skf21("7","5","7","2","4","4","7","1") = "6"
    & skf21("7","5","7","2","4","5","1","1") = "6"
    & skf21("7","5","7","2","4","5","2","1") = "6"
    & skf21("7","5","7","2","4","5","3","1") = "6"
    & skf21("7","5","7","2","4","5","4","1") = "6"
    & skf21("7","5","7","2","4","5","5","1") = "6"
    & skf21("7","5","7","2","4","5","6","1") = "6"
    & skf21("7","5","7","2","4","5","7","1") = "6"
    & skf21("7","5","7","2","4","6","1","1") = "6"
    & skf21("7","5","7","2","4","6","2","1") = "6"
    & skf21("7","5","7","2","4","6","3","1") = "6"
    & skf21("7","5","7","2","4","6","4","1") = "6"
    & skf21("7","5","7","2","4","6","5","1") = "6"
    & skf21("7","5","7","2","4","6","6","1") = "6"
    & skf21("7","5","7","2","4","6","7","1") = "6"
    & skf21("7","5","7","2","4","7","1","1") = "6"
    & skf21("7","5","7","2","4","7","2","1") = "6"
    & skf21("7","5","7","2","4","7","3","1") = "6"
    & skf21("7","5","7","2","4","7","4","1") = "6"
    & skf21("7","5","7","2","4","7","5","1") = "6"
    & skf21("7","5","7","2","4","7","6","1") = "6"
    & skf21("7","5","7","2","4","7","7","1") = "6"
    & skf21("7","5","7","2","5","1","1","1") = "6"
    & skf21("7","5","7","2","5","1","2","1") = "6"
    & skf21("7","5","7","2","5","1","3","1") = "6"
    & skf21("7","5","7","2","5","1","4","1") = "6"
    & skf21("7","5","7","2","5","1","5","1") = "6"
    & skf21("7","5","7","2","5","1","6","1") = "6"
    & skf21("7","5","7","2","5","1","7","1") = "6"
    & skf21("7","5","7","2","5","2","1","1") = "6"
    & skf21("7","5","7","2","5","2","2","1") = "6"
    & skf21("7","5","7","2","5","2","3","1") = "6"
    & skf21("7","5","7","2","5","2","4","1") = "6"
    & skf21("7","5","7","2","5","2","5","1") = "6"
    & skf21("7","5","7","2","5","2","6","1") = "6"
    & skf21("7","5","7","2","5","2","7","1") = "6"
    & skf21("7","5","7","2","5","3","1","1") = "6"
    & skf21("7","5","7","2","5","3","2","1") = "6"
    & skf21("7","5","7","2","5","3","3","1") = "6"
    & skf21("7","5","7","2","5","3","4","1") = "6"
    & skf21("7","5","7","2","5","3","5","1") = "6"
    & skf21("7","5","7","2","5","3","6","1") = "6"
    & skf21("7","5","7","2","5","3","7","1") = "6"
    & skf21("7","5","7","2","5","4","1","1") = "6"
    & skf21("7","5","7","2","5","4","2","1") = "6"
    & skf21("7","5","7","2","5","4","3","1") = "6"
    & skf21("7","5","7","2","5","4","4","1") = "6"
    & skf21("7","5","7","2","5","4","5","1") = "6"
    & skf21("7","5","7","2","5","4","6","1") = "6"
    & skf21("7","5","7","2","5","4","7","1") = "6"
    & skf21("7","5","7","2","5","5","1","1") = "6"
    & skf21("7","5","7","2","5","5","2","1") = "6"
    & skf21("7","5","7","2","5","5","3","1") = "6"
    & skf21("7","5","7","2","5","5","4","1") = "6"
    & skf21("7","5","7","2","5","5","5","1") = "6"
    & skf21("7","5","7","2","5","5","6","1") = "6"
    & skf21("7","5","7","2","5","5","7","1") = "6"
    & skf21("7","5","7","2","5","6","1","1") = "6"
    & skf21("7","5","7","2","5","6","2","1") = "6"
    & skf21("7","5","7","2","5","6","3","1") = "6"
    & skf21("7","5","7","2","5","6","4","1") = "6"
    & skf21("7","5","7","2","5","6","5","1") = "6"
    & skf21("7","5","7","2","5","6","6","1") = "6"
    & skf21("7","5","7","2","5","6","7","1") = "6"
    & skf21("7","5","7","2","5","7","1","1") = "6"
    & skf21("7","5","7","2","5","7","2","1") = "6"
    & skf21("7","5","7","2","5","7","3","1") = "6"
    & skf21("7","5","7","2","5","7","4","1") = "6"
    & skf21("7","5","7","2","5","7","5","1") = "6"
    & skf21("7","5","7","2","5","7","6","1") = "6"
    & skf21("7","5","7","2","5","7","7","1") = "6"
    & skf21("7","5","7","2","6","1","1","1") = "6"
    & skf21("7","5","7","2","6","1","2","1") = "6"
    & skf21("7","5","7","2","6","1","3","1") = "6"
    & skf21("7","5","7","2","6","1","4","1") = "6"
    & skf21("7","5","7","2","6","1","5","1") = "6"
    & skf21("7","5","7","2","6","1","6","1") = "6"
    & skf21("7","5","7","2","6","1","7","1") = "6"
    & skf21("7","5","7","2","6","2","1","1") = "6"
    & skf21("7","5","7","2","6","2","2","1") = "6"
    & skf21("7","5","7","2","6","2","3","1") = "6"
    & skf21("7","5","7","2","6","2","4","1") = "6"
    & skf21("7","5","7","2","6","2","5","1") = "6"
    & skf21("7","5","7","2","6","2","6","1") = "6"
    & skf21("7","5","7","2","6","2","7","1") = "6"
    & skf21("7","5","7","2","6","3","1","1") = "6"
    & skf21("7","5","7","2","6","3","2","1") = "6"
    & skf21("7","5","7","2","6","3","3","1") = "6"
    & skf21("7","5","7","2","6","3","4","1") = "6"
    & skf21("7","5","7","2","6","3","5","1") = "6"
    & skf21("7","5","7","2","6","3","6","1") = "6"
    & skf21("7","5","7","2","6","3","7","1") = "6"
    & skf21("7","5","7","2","6","4","1","1") = "6"
    & skf21("7","5","7","2","6","4","2","1") = "6"
    & skf21("7","5","7","2","6","4","3","1") = "6"
    & skf21("7","5","7","2","6","4","4","1") = "6"
    & skf21("7","5","7","2","6","4","5","1") = "6"
    & skf21("7","5","7","2","6","4","6","1") = "6"
    & skf21("7","5","7","2","6","4","7","1") = "6"
    & skf21("7","5","7","2","6","5","1","1") = "6"
    & skf21("7","5","7","2","6","5","2","1") = "6"
    & skf21("7","5","7","2","6","5","3","1") = "6"
    & skf21("7","5","7","2","6","5","4","1") = "6"
    & skf21("7","5","7","2","6","5","5","1") = "6"
    & skf21("7","5","7","2","6","5","6","1") = "6"
    & skf21("7","5","7","2","6","5","7","1") = "6"
    & skf21("7","5","7","2","6","6","1","1") = "6"
    & skf21("7","5","7","2","6","6","2","1") = "6"
    & skf21("7","5","7","2","6","6","3","1") = "6"
    & skf21("7","5","7","2","6","6","4","1") = "6"
    & skf21("7","5","7","2","6","6","5","1") = "6"
    & skf21("7","5","7","2","6","6","6","1") = "6"
    & skf21("7","5","7","2","6","6","7","1") = "6"
    & skf21("7","5","7","2","6","7","1","1") = "6"
    & skf21("7","5","7","2","6","7","2","1") = "6"
    & skf21("7","5","7","2","6","7","3","1") = "6"
    & skf21("7","5","7","2","6","7","4","1") = "6"
    & skf21("7","5","7","2","6","7","5","1") = "6"
    & skf21("7","5","7","2","6","7","6","1") = "6"
    & skf21("7","5","7","2","6","7","7","1") = "6"
    & skf21("7","5","7","2","7","1","1","1") = "6"
    & skf21("7","5","7","2","7","1","2","1") = "6"
    & skf21("7","5","7","2","7","1","3","1") = "6"
    & skf21("7","5","7","2","7","1","4","1") = "6"
    & skf21("7","5","7","2","7","1","5","1") = "6"
    & skf21("7","5","7","2","7","1","6","1") = "6"
    & skf21("7","5","7","2","7","1","7","1") = "6"
    & skf21("7","5","7","2","7","2","1","1") = "6"
    & skf21("7","5","7","2","7","2","2","1") = "6"
    & skf21("7","5","7","2","7","2","3","1") = "6"
    & skf21("7","5","7","2","7","2","4","1") = "6"
    & skf21("7","5","7","2","7","2","5","1") = "6"
    & skf21("7","5","7","2","7","2","6","1") = "6"
    & skf21("7","5","7","2","7","2","7","1") = "6"
    & skf21("7","5","7","2","7","3","1","1") = "6"
    & skf21("7","5","7","2","7","3","2","1") = "6"
    & skf21("7","5","7","2","7","3","3","1") = "6"
    & skf21("7","5","7","2","7","3","4","1") = "6"
    & skf21("7","5","7","2","7","3","5","1") = "6"
    & skf21("7","5","7","2","7","3","6","1") = "6"
    & skf21("7","5","7","2","7","3","7","1") = "6"
    & skf21("7","5","7","2","7","4","1","1") = "6"
    & skf21("7","5","7","2","7","4","2","1") = "6"
    & skf21("7","5","7","2","7","4","3","1") = "6"
    & skf21("7","5","7","2","7","4","4","1") = "6"
    & skf21("7","5","7","2","7","4","5","1") = "6"
    & skf21("7","5","7","2","7","4","6","1") = "6"
    & skf21("7","5","7","2","7","4","7","1") = "6"
    & skf21("7","5","7","2","7","5","1","1") = "6"
    & skf21("7","5","7","2","7","5","2","1") = "6"
    & skf21("7","5","7","2","7","5","3","1") = "6"
    & skf21("7","5","7","2","7","5","4","1") = "6"
    & skf21("7","5","7","2","7","5","5","1") = "6"
    & skf21("7","5","7","2","7","5","6","1") = "6"
    & skf21("7","5","7","2","7","5","7","1") = "6"
    & skf21("7","5","7","2","7","6","1","1") = "6"
    & skf21("7","5","7","2","7","6","2","1") = "6"
    & skf21("7","5","7","2","7","6","3","1") = "6"
    & skf21("7","5","7","2","7","6","4","1") = "6"
    & skf21("7","5","7","2","7","6","5","1") = "6"
    & skf21("7","5","7","2","7","6","6","1") = "6"
    & skf21("7","5","7","2","7","6","7","1") = "6"
    & skf21("7","5","7","2","7","7","1","1") = "6"
    & skf21("7","5","7","2","7","7","2","1") = "6"
    & skf21("7","5","7","2","7","7","3","1") = "6"
    & skf21("7","5","7","2","7","7","4","1") = "6"
    & skf21("7","5","7","2","7","7","5","1") = "6"
    & skf21("7","5","7","2","7","7","6","1") = "6"
    & skf21("7","5","7","2","7","7","7","1") = "6"
    & skf21("7","5","7","3","1","1","1","1") = "6"
    & skf21("7","5","7","3","1","1","2","1") = "6"
    & skf21("7","5","7","3","1","1","3","1") = "6"
    & skf21("7","5","7","3","1","1","4","1") = "6"
    & skf21("7","5","7","3","1","1","5","1") = "6"
    & skf21("7","5","7","3","1","1","6","1") = "6"
    & skf21("7","5","7","3","1","1","7","1") = "6"
    & skf21("7","5","7","3","1","2","1","1") = "6"
    & skf21("7","5","7","3","1","2","2","1") = "6"
    & skf21("7","5","7","3","1","2","3","1") = "6"
    & skf21("7","5","7","3","1","2","4","1") = "6"
    & skf21("7","5","7","3","1","2","5","1") = "6"
    & skf21("7","5","7","3","1","2","6","1") = "6"
    & skf21("7","5","7","3","1","2","7","1") = "6"
    & skf21("7","5","7","3","1","3","1","1") = "6"
    & skf21("7","5","7","3","1","3","2","1") = "6"
    & skf21("7","5","7","3","1","3","3","1") = "6"
    & skf21("7","5","7","3","1","3","4","1") = "6"
    & skf21("7","5","7","3","1","3","5","1") = "6"
    & skf21("7","5","7","3","1","3","6","1") = "6"
    & skf21("7","5","7","3","1","3","7","1") = "6"
    & skf21("7","5","7","3","1","4","1","1") = "6"
    & skf21("7","5","7","3","1","4","2","1") = "6"
    & skf21("7","5","7","3","1","4","3","1") = "6"
    & skf21("7","5","7","3","1","4","4","1") = "6"
    & skf21("7","5","7","3","1","4","5","1") = "6"
    & skf21("7","5","7","3","1","4","6","1") = "6"
    & skf21("7","5","7","3","1","4","7","1") = "6"
    & skf21("7","5","7","3","1","5","1","1") = "6"
    & skf21("7","5","7","3","1","5","2","1") = "6"
    & skf21("7","5","7","3","1","5","3","1") = "6"
    & skf21("7","5","7","3","1","5","4","1") = "6"
    & skf21("7","5","7","3","1","5","5","1") = "6"
    & skf21("7","5","7","3","1","5","6","1") = "6"
    & skf21("7","5","7","3","1","5","7","1") = "6"
    & skf21("7","5","7","3","1","6","1","1") = "6"
    & skf21("7","5","7","3","1","6","2","1") = "6"
    & skf21("7","5","7","3","1","6","3","1") = "6"
    & skf21("7","5","7","3","1","6","4","1") = "6"
    & skf21("7","5","7","3","1","6","5","1") = "6"
    & skf21("7","5","7","3","1","6","6","1") = "6"
    & skf21("7","5","7","3","1","6","7","1") = "6"
    & skf21("7","5","7","3","1","7","1","1") = "6"
    & skf21("7","5","7","3","1","7","2","1") = "6"
    & skf21("7","5","7","3","1","7","3","1") = "6"
    & skf21("7","5","7","3","1","7","4","1") = "6"
    & skf21("7","5","7","3","1","7","5","1") = "6"
    & skf21("7","5","7","3","1","7","6","1") = "6"
    & skf21("7","5","7","3","1","7","7","1") = "6"
    & skf21("7","5","7","3","2","1","1","1") = "6"
    & skf21("7","5","7","3","2","1","2","1") = "6"
    & skf21("7","5","7","3","2","1","3","1") = "6"
    & skf21("7","5","7","3","2","1","4","1") = "6"
    & skf21("7","5","7","3","2","1","5","1") = "6"
    & skf21("7","5","7","3","2","1","6","1") = "6"
    & skf21("7","5","7","3","2","1","7","1") = "6"
    & skf21("7","5","7","3","2","2","1","1") = "6"
    & skf21("7","5","7","3","2","2","2","1") = "6"
    & skf21("7","5","7","3","2","2","3","1") = "6"
    & skf21("7","5","7","3","2","2","4","1") = "6"
    & skf21("7","5","7","3","2","2","5","1") = "6"
    & skf21("7","5","7","3","2","2","6","1") = "6"
    & skf21("7","5","7","3","2","2","7","1") = "6"
    & skf21("7","5","7","3","2","3","1","1") = "6"
    & skf21("7","5","7","3","2","3","2","1") = "6"
    & skf21("7","5","7","3","2","3","3","1") = "6"
    & skf21("7","5","7","3","2","3","4","1") = "6"
    & skf21("7","5","7","3","2","3","5","1") = "6"
    & skf21("7","5","7","3","2","3","6","1") = "6"
    & skf21("7","5","7","3","2","3","7","1") = "6"
    & skf21("7","5","7","3","2","4","1","1") = "6"
    & skf21("7","5","7","3","2","4","2","1") = "6"
    & skf21("7","5","7","3","2","4","3","1") = "6"
    & skf21("7","5","7","3","2","4","4","1") = "6"
    & skf21("7","5","7","3","2","4","5","1") = "6"
    & skf21("7","5","7","3","2","4","6","1") = "6"
    & skf21("7","5","7","3","2","4","7","1") = "6"
    & skf21("7","5","7","3","2","5","1","1") = "6"
    & skf21("7","5","7","3","2","5","2","1") = "6"
    & skf21("7","5","7","3","2","5","3","1") = "6"
    & skf21("7","5","7","3","2","5","4","1") = "6"
    & skf21("7","5","7","3","2","5","5","1") = "6"
    & skf21("7","5","7","3","2","5","6","1") = "6"
    & skf21("7","5","7","3","2","5","7","1") = "6"
    & skf21("7","5","7","3","2","6","1","1") = "6"
    & skf21("7","5","7","3","2","6","2","1") = "6"
    & skf21("7","5","7","3","2","6","3","1") = "6"
    & skf21("7","5","7","3","2","6","4","1") = "6"
    & skf21("7","5","7","3","2","6","5","1") = "6"
    & skf21("7","5","7","3","2","6","6","1") = "6"
    & skf21("7","5","7","3","2","6","7","1") = "6"
    & skf21("7","5","7","3","2","7","1","1") = "6"
    & skf21("7","5","7","3","2","7","2","1") = "6"
    & skf21("7","5","7","3","2","7","3","1") = "6"
    & skf21("7","5","7","3","2","7","4","1") = "6"
    & skf21("7","5","7","3","2","7","5","1") = "6"
    & skf21("7","5","7","3","2","7","6","1") = "6"
    & skf21("7","5","7","3","2","7","7","1") = "6"
    & skf21("7","5","7","3","3","1","1","1") = "6"
    & skf21("7","5","7","3","3","1","2","1") = "6"
    & skf21("7","5","7","3","3","1","3","1") = "6"
    & skf21("7","5","7","3","3","1","4","1") = "6"
    & skf21("7","5","7","3","3","1","5","1") = "6"
    & skf21("7","5","7","3","3","1","6","1") = "6"
    & skf21("7","5","7","3","3","1","7","1") = "6"
    & skf21("7","5","7","3","3","2","1","1") = "6"
    & skf21("7","5","7","3","3","2","2","1") = "6"
    & skf21("7","5","7","3","3","2","3","1") = "6"
    & skf21("7","5","7","3","3","2","4","1") = "6"
    & skf21("7","5","7","3","3","2","5","1") = "6"
    & skf21("7","5","7","3","3","2","6","1") = "6"
    & skf21("7","5","7","3","3","2","7","1") = "6"
    & skf21("7","5","7","3","3","3","1","1") = "6"
    & skf21("7","5","7","3","3","3","2","1") = "6"
    & skf21("7","5","7","3","3","3","3","1") = "6"
    & skf21("7","5","7","3","3","3","4","1") = "6"
    & skf21("7","5","7","3","3","3","5","1") = "6"
    & skf21("7","5","7","3","3","3","6","1") = "6"
    & skf21("7","5","7","3","3","3","7","1") = "6"
    & skf21("7","5","7","3","3","4","1","1") = "6"
    & skf21("7","5","7","3","3","4","2","1") = "6"
    & skf21("7","5","7","3","3","4","3","1") = "6"
    & skf21("7","5","7","3","3","4","4","1") = "6"
    & skf21("7","5","7","3","3","4","5","1") = "6"
    & skf21("7","5","7","3","3","4","6","1") = "6"
    & skf21("7","5","7","3","3","4","7","1") = "6"
    & skf21("7","5","7","3","3","5","1","1") = "6"
    & skf21("7","5","7","3","3","5","2","1") = "6"
    & skf21("7","5","7","3","3","5","3","1") = "6"
    & skf21("7","5","7","3","3","5","4","1") = "6"
    & skf21("7","5","7","3","3","5","5","1") = "6"
    & skf21("7","5","7","3","3","5","6","1") = "6"
    & skf21("7","5","7","3","3","5","7","1") = "6"
    & skf21("7","5","7","3","3","6","1","1") = "6"
    & skf21("7","5","7","3","3","6","2","1") = "6"
    & skf21("7","5","7","3","3","6","3","1") = "6"
    & skf21("7","5","7","3","3","6","4","1") = "6"
    & skf21("7","5","7","3","3","6","5","1") = "6"
    & skf21("7","5","7","3","3","6","6","1") = "6"
    & skf21("7","5","7","3","3","6","7","1") = "6"
    & skf21("7","5","7","3","3","7","1","1") = "6"
    & skf21("7","5","7","3","3","7","2","1") = "6"
    & skf21("7","5","7","3","3","7","3","1") = "6"
    & skf21("7","5","7","3","3","7","4","1") = "6"
    & skf21("7","5","7","3","3","7","5","1") = "6"
    & skf21("7","5","7","3","3","7","6","1") = "6"
    & skf21("7","5","7","3","3","7","7","1") = "6"
    & skf21("7","5","7","3","4","1","1","1") = "6"
    & skf21("7","5","7","3","4","1","2","1") = "6"
    & skf21("7","5","7","3","4","1","3","1") = "6"
    & skf21("7","5","7","3","4","1","4","1") = "6"
    & skf21("7","5","7","3","4","1","5","1") = "6"
    & skf21("7","5","7","3","4","1","6","1") = "6"
    & skf21("7","5","7","3","4","1","7","1") = "6"
    & skf21("7","5","7","3","4","2","1","1") = "6"
    & skf21("7","5","7","3","4","2","2","1") = "6"
    & skf21("7","5","7","3","4","2","3","1") = "6"
    & skf21("7","5","7","3","4","2","4","1") = "6"
    & skf21("7","5","7","3","4","2","5","1") = "6"
    & skf21("7","5","7","3","4","2","6","1") = "6"
    & skf21("7","5","7","3","4","2","7","1") = "6"
    & skf21("7","5","7","3","4","3","1","1") = "6"
    & skf21("7","5","7","3","4","3","2","1") = "6"
    & skf21("7","5","7","3","4","3","3","1") = "6"
    & skf21("7","5","7","3","4","3","4","1") = "6"
    & skf21("7","5","7","3","4","3","5","1") = "6"
    & skf21("7","5","7","3","4","3","6","1") = "6"
    & skf21("7","5","7","3","4","3","7","1") = "6"
    & skf21("7","5","7","3","4","4","1","1") = "6"
    & skf21("7","5","7","3","4","4","2","1") = "6"
    & skf21("7","5","7","3","4","4","3","1") = "6"
    & skf21("7","5","7","3","4","4","4","1") = "6"
    & skf21("7","5","7","3","4","4","5","1") = "6"
    & skf21("7","5","7","3","4","4","6","1") = "6"
    & skf21("7","5","7","3","4","4","7","1") = "6"
    & skf21("7","5","7","3","4","5","1","1") = "6"
    & skf21("7","5","7","3","4","5","2","1") = "6"
    & skf21("7","5","7","3","4","5","3","1") = "6"
    & skf21("7","5","7","3","4","5","4","1") = "6"
    & skf21("7","5","7","3","4","5","5","1") = "6"
    & skf21("7","5","7","3","4","5","6","1") = "6"
    & skf21("7","5","7","3","4","5","7","1") = "6"
    & skf21("7","5","7","3","4","6","1","1") = "6"
    & skf21("7","5","7","3","4","6","2","1") = "6"
    & skf21("7","5","7","3","4","6","3","1") = "6"
    & skf21("7","5","7","3","4","6","4","1") = "6"
    & skf21("7","5","7","3","4","6","5","1") = "6"
    & skf21("7","5","7","3","4","6","6","1") = "6"
    & skf21("7","5","7","3","4","6","7","1") = "6"
    & skf21("7","5","7","3","4","7","1","1") = "6"
    & skf21("7","5","7","3","4","7","2","1") = "6"
    & skf21("7","5","7","3","4","7","3","1") = "6"
    & skf21("7","5","7","3","4","7","4","1") = "6"
    & skf21("7","5","7","3","4","7","5","1") = "6"
    & skf21("7","5","7","3","4","7","6","1") = "6"
    & skf21("7","5","7","3","4","7","7","1") = "6"
    & skf21("7","5","7","3","5","1","1","1") = "6"
    & skf21("7","5","7","3","5","1","2","1") = "6"
    & skf21("7","5","7","3","5","1","3","1") = "6"
    & skf21("7","5","7","3","5","1","4","1") = "6"
    & skf21("7","5","7","3","5","1","5","1") = "6"
    & skf21("7","5","7","3","5","1","6","1") = "6"
    & skf21("7","5","7","3","5","1","7","1") = "6"
    & skf21("7","5","7","3","5","2","1","1") = "6"
    & skf21("7","5","7","3","5","2","2","1") = "6"
    & skf21("7","5","7","3","5","2","3","1") = "6"
    & skf21("7","5","7","3","5","2","4","1") = "6"
    & skf21("7","5","7","3","5","2","5","1") = "6"
    & skf21("7","5","7","3","5","2","6","1") = "6"
    & skf21("7","5","7","3","5","2","7","1") = "6"
    & skf21("7","5","7","3","5","3","1","1") = "6"
    & skf21("7","5","7","3","5","3","2","1") = "6"
    & skf21("7","5","7","3","5","3","3","1") = "6"
    & skf21("7","5","7","3","5","3","4","1") = "6"
    & skf21("7","5","7","3","5","3","5","1") = "6"
    & skf21("7","5","7","3","5","3","6","1") = "6"
    & skf21("7","5","7","3","5","3","7","1") = "6"
    & skf21("7","5","7","3","5","4","1","1") = "6"
    & skf21("7","5","7","3","5","4","2","1") = "6"
    & skf21("7","5","7","3","5","4","3","1") = "6"
    & skf21("7","5","7","3","5","4","4","1") = "6"
    & skf21("7","5","7","3","5","4","5","1") = "6"
    & skf21("7","5","7","3","5","4","6","1") = "6"
    & skf21("7","5","7","3","5","4","7","1") = "6"
    & skf21("7","5","7","3","5","5","1","1") = "6"
    & skf21("7","5","7","3","5","5","2","1") = "6"
    & skf21("7","5","7","3","5","5","3","1") = "6"
    & skf21("7","5","7","3","5","5","4","1") = "6"
    & skf21("7","5","7","3","5","5","5","1") = "6"
    & skf21("7","5","7","3","5","5","6","1") = "6"
    & skf21("7","5","7","3","5","5","7","1") = "6"
    & skf21("7","5","7","3","5","6","1","1") = "6"
    & skf21("7","5","7","3","5","6","2","1") = "6"
    & skf21("7","5","7","3","5","6","3","1") = "6"
    & skf21("7","5","7","3","5","6","4","1") = "6"
    & skf21("7","5","7","3","5","6","5","1") = "6"
    & skf21("7","5","7","3","5","6","6","1") = "6"
    & skf21("7","5","7","3","5","6","7","1") = "6"
    & skf21("7","5","7","3","5","7","1","1") = "6"
    & skf21("7","5","7","3","5","7","2","1") = "6"
    & skf21("7","5","7","3","5","7","3","1") = "6"
    & skf21("7","5","7","3","5","7","4","1") = "6"
    & skf21("7","5","7","3","5","7","5","1") = "6"
    & skf21("7","5","7","3","5","7","6","1") = "6"
    & skf21("7","5","7","3","5","7","7","1") = "6"
    & skf21("7","5","7","3","6","1","1","1") = "6"
    & skf21("7","5","7","3","6","1","2","1") = "6"
    & skf21("7","5","7","3","6","1","3","1") = "6"
    & skf21("7","5","7","3","6","1","4","1") = "6"
    & skf21("7","5","7","3","6","1","5","1") = "6"
    & skf21("7","5","7","3","6","1","6","1") = "6"
    & skf21("7","5","7","3","6","1","7","1") = "6"
    & skf21("7","5","7","3","6","2","1","1") = "6"
    & skf21("7","5","7","3","6","2","2","1") = "6"
    & skf21("7","5","7","3","6","2","3","1") = "6"
    & skf21("7","5","7","3","6","2","4","1") = "6"
    & skf21("7","5","7","3","6","2","5","1") = "6"
    & skf21("7","5","7","3","6","2","6","1") = "6"
    & skf21("7","5","7","3","6","2","7","1") = "6"
    & skf21("7","5","7","3","6","3","1","1") = "6"
    & skf21("7","5","7","3","6","3","2","1") = "6"
    & skf21("7","5","7","3","6","3","3","1") = "6"
    & skf21("7","5","7","3","6","3","4","1") = "6"
    & skf21("7","5","7","3","6","3","5","1") = "6"
    & skf21("7","5","7","3","6","3","6","1") = "6"
    & skf21("7","5","7","3","6","3","7","1") = "6"
    & skf21("7","5","7","3","6","4","1","1") = "6"
    & skf21("7","5","7","3","6","4","2","1") = "6"
    & skf21("7","5","7","3","6","4","3","1") = "6"
    & skf21("7","5","7","3","6","4","4","1") = "6"
    & skf21("7","5","7","3","6","4","5","1") = "6"
    & skf21("7","5","7","3","6","4","6","1") = "6"
    & skf21("7","5","7","3","6","4","7","1") = "6"
    & skf21("7","5","7","3","6","5","1","1") = "6"
    & skf21("7","5","7","3","6","5","2","1") = "6"
    & skf21("7","5","7","3","6","5","3","1") = "6"
    & skf21("7","5","7","3","6","5","4","1") = "6"
    & skf21("7","5","7","3","6","5","5","1") = "6"
    & skf21("7","5","7","3","6","5","6","1") = "6"
    & skf21("7","5","7","3","6","5","7","1") = "6"
    & skf21("7","5","7","3","6","6","1","1") = "6"
    & skf21("7","5","7","3","6","6","2","1") = "6"
    & skf21("7","5","7","3","6","6","3","1") = "6"
    & skf21("7","5","7","3","6","6","4","1") = "6"
    & skf21("7","5","7","3","6","6","5","1") = "6"
    & skf21("7","5","7","3","6","6","6","1") = "6"
    & skf21("7","5","7","3","6","6","7","1") = "6"
    & skf21("7","5","7","3","6","7","1","1") = "6"
    & skf21("7","5","7","3","6","7","2","1") = "6"
    & skf21("7","5","7","3","6","7","3","1") = "6"
    & skf21("7","5","7","3","6","7","4","1") = "6"
    & skf21("7","5","7","3","6","7","5","1") = "6"
    & skf21("7","5","7","3","6","7","6","1") = "6"
    & skf21("7","5","7","3","6","7","7","1") = "6"
    & skf21("7","5","7","3","7","1","1","1") = "6"
    & skf21("7","5","7","3","7","1","2","1") = "6"
    & skf21("7","5","7","3","7","1","3","1") = "6"
    & skf21("7","5","7","3","7","1","4","1") = "6"
    & skf21("7","5","7","3","7","1","5","1") = "6"
    & skf21("7","5","7","3","7","1","6","1") = "6"
    & skf21("7","5","7","3","7","1","7","1") = "6"
    & skf21("7","5","7","3","7","2","1","1") = "6"
    & skf21("7","5","7","3","7","2","2","1") = "6"
    & skf21("7","5","7","3","7","2","3","1") = "6"
    & skf21("7","5","7","3","7","2","4","1") = "6"
    & skf21("7","5","7","3","7","2","5","1") = "6"
    & skf21("7","5","7","3","7","2","6","1") = "6"
    & skf21("7","5","7","3","7","2","7","1") = "6"
    & skf21("7","5","7","3","7","3","1","1") = "6"
    & skf21("7","5","7","3","7","3","2","1") = "6"
    & skf21("7","5","7","3","7","3","3","1") = "6"
    & skf21("7","5","7","3","7","3","4","1") = "6"
    & skf21("7","5","7","3","7","3","5","1") = "6"
    & skf21("7","5","7","3","7","3","6","1") = "6"
    & skf21("7","5","7","3","7","3","7","1") = "6"
    & skf21("7","5","7","3","7","4","1","1") = "6"
    & skf21("7","5","7","3","7","4","2","1") = "6"
    & skf21("7","5","7","3","7","4","3","1") = "6"
    & skf21("7","5","7","3","7","4","4","1") = "6"
    & skf21("7","5","7","3","7","4","5","1") = "6"
    & skf21("7","5","7","3","7","4","6","1") = "6"
    & skf21("7","5","7","3","7","4","7","1") = "6"
    & skf21("7","5","7","3","7","5","1","1") = "6"
    & skf21("7","5","7","3","7","5","2","1") = "6"
    & skf21("7","5","7","3","7","5","3","1") = "6"
    & skf21("7","5","7","3","7","5","4","1") = "6"
    & skf21("7","5","7","3","7","5","5","1") = "6"
    & skf21("7","5","7","3","7","5","6","1") = "6"
    & skf21("7","5","7","3","7","5","7","1") = "6"
    & skf21("7","5","7","3","7","6","1","1") = "6"
    & skf21("7","5","7","3","7","6","2","1") = "6"
    & skf21("7","5","7","3","7","6","3","1") = "6"
    & skf21("7","5","7","3","7","6","4","1") = "6"
    & skf21("7","5","7","3","7","6","5","1") = "6"
    & skf21("7","5","7","3","7","6","6","1") = "6"
    & skf21("7","5","7","3","7","6","7","1") = "6"
    & skf21("7","5","7","3","7","7","1","1") = "6"
    & skf21("7","5","7","3","7","7","2","1") = "6"
    & skf21("7","5","7","3","7","7","3","1") = "6"
    & skf21("7","5","7","3","7","7","4","1") = "6"
    & skf21("7","5","7","3","7","7","5","1") = "6"
    & skf21("7","5","7","3","7","7","6","1") = "6"
    & skf21("7","5","7","3","7","7","7","1") = "6"
    & skf21("7","5","7","4","1","1","1","1") = "6"
    & skf21("7","5","7","4","1","1","2","1") = "6"
    & skf21("7","5","7","4","1","1","3","1") = "6"
    & skf21("7","5","7","4","1","1","4","1") = "6"
    & skf21("7","5","7","4","1","1","5","1") = "6"
    & skf21("7","5","7","4","1","1","6","1") = "6"
    & skf21("7","5","7","4","1","1","7","1") = "6"
    & skf21("7","5","7","4","1","2","1","1") = "6"
    & skf21("7","5","7","4","1","2","2","1") = "6"
    & skf21("7","5","7","4","1","2","3","1") = "6"
    & skf21("7","5","7","4","1","2","4","1") = "6"
    & skf21("7","5","7","4","1","2","5","1") = "6"
    & skf21("7","5","7","4","1","2","6","1") = "6"
    & skf21("7","5","7","4","1","2","7","1") = "6"
    & skf21("7","5","7","4","1","3","1","1") = "6"
    & skf21("7","5","7","4","1","3","2","1") = "6"
    & skf21("7","5","7","4","1","3","3","1") = "6"
    & skf21("7","5","7","4","1","3","4","1") = "6"
    & skf21("7","5","7","4","1","3","5","1") = "6"
    & skf21("7","5","7","4","1","3","6","1") = "6"
    & skf21("7","5","7","4","1","3","7","1") = "6"
    & skf21("7","5","7","4","1","4","1","1") = "6"
    & skf21("7","5","7","4","1","4","2","1") = "6"
    & skf21("7","5","7","4","1","4","3","1") = "6"
    & skf21("7","5","7","4","1","4","4","1") = "6"
    & skf21("7","5","7","4","1","4","5","1") = "6"
    & skf21("7","5","7","4","1","4","6","1") = "6"
    & skf21("7","5","7","4","1","4","7","1") = "6"
    & skf21("7","5","7","4","1","5","1","1") = "6"
    & skf21("7","5","7","4","1","5","2","1") = "6"
    & skf21("7","5","7","4","1","5","3","1") = "6"
    & skf21("7","5","7","4","1","5","4","1") = "6"
    & skf21("7","5","7","4","1","5","5","1") = "6"
    & skf21("7","5","7","4","1","5","6","1") = "6"
    & skf21("7","5","7","4","1","5","7","1") = "6"
    & skf21("7","5","7","4","1","6","1","1") = "6"
    & skf21("7","5","7","4","1","6","2","1") = "6"
    & skf21("7","5","7","4","1","6","3","1") = "6"
    & skf21("7","5","7","4","1","6","4","1") = "6"
    & skf21("7","5","7","4","1","6","5","1") = "6"
    & skf21("7","5","7","4","1","6","6","1") = "6"
    & skf21("7","5","7","4","1","6","7","1") = "6"
    & skf21("7","5","7","4","1","7","1","1") = "6"
    & skf21("7","5","7","4","1","7","2","1") = "6"
    & skf21("7","5","7","4","1","7","3","1") = "6"
    & skf21("7","5","7","4","1","7","4","1") = "6"
    & skf21("7","5","7","4","1","7","5","1") = "6"
    & skf21("7","5","7","4","1","7","6","1") = "6"
    & skf21("7","5","7","4","1","7","7","1") = "6"
    & skf21("7","5","7","4","2","1","1","1") = "6"
    & skf21("7","5","7","4","2","1","2","1") = "6"
    & skf21("7","5","7","4","2","1","3","1") = "6"
    & skf21("7","5","7","4","2","1","4","1") = "6"
    & skf21("7","5","7","4","2","1","5","1") = "6"
    & skf21("7","5","7","4","2","1","6","1") = "6"
    & skf21("7","5","7","4","2","1","7","1") = "6"
    & skf21("7","5","7","4","2","2","1","1") = "6"
    & skf21("7","5","7","4","2","2","2","1") = "6"
    & skf21("7","5","7","4","2","2","3","1") = "6"
    & skf21("7","5","7","4","2","2","4","1") = "6"
    & skf21("7","5","7","4","2","2","5","1") = "6"
    & skf21("7","5","7","4","2","2","6","1") = "6"
    & skf21("7","5","7","4","2","2","7","1") = "6"
    & skf21("7","5","7","4","2","3","1","1") = "6"
    & skf21("7","5","7","4","2","3","2","1") = "6"
    & skf21("7","5","7","4","2","3","3","1") = "6"
    & skf21("7","5","7","4","2","3","4","1") = "6"
    & skf21("7","5","7","4","2","3","5","1") = "6"
    & skf21("7","5","7","4","2","3","6","1") = "6"
    & skf21("7","5","7","4","2","3","7","1") = "6"
    & skf21("7","5","7","4","2","4","1","1") = "6"
    & skf21("7","5","7","4","2","4","2","1") = "6"
    & skf21("7","5","7","4","2","4","3","1") = "6"
    & skf21("7","5","7","4","2","4","4","1") = "6"
    & skf21("7","5","7","4","2","4","5","1") = "6"
    & skf21("7","5","7","4","2","4","6","1") = "6"
    & skf21("7","5","7","4","2","4","7","1") = "6"
    & skf21("7","5","7","4","2","5","1","1") = "6"
    & skf21("7","5","7","4","2","5","2","1") = "6"
    & skf21("7","5","7","4","2","5","3","1") = "6"
    & skf21("7","5","7","4","2","5","4","1") = "6"
    & skf21("7","5","7","4","2","5","5","1") = "6"
    & skf21("7","5","7","4","2","5","6","1") = "6"
    & skf21("7","5","7","4","2","5","7","1") = "6"
    & skf21("7","5","7","4","2","6","1","1") = "6"
    & skf21("7","5","7","4","2","6","2","1") = "6"
    & skf21("7","5","7","4","2","6","3","1") = "6"
    & skf21("7","5","7","4","2","6","4","1") = "6"
    & skf21("7","5","7","4","2","6","5","1") = "6"
    & skf21("7","5","7","4","2","6","6","1") = "6"
    & skf21("7","5","7","4","2","6","7","1") = "6"
    & skf21("7","5","7","4","2","7","1","1") = "6"
    & skf21("7","5","7","4","2","7","2","1") = "6"
    & skf21("7","5","7","4","2","7","3","1") = "6"
    & skf21("7","5","7","4","2","7","4","1") = "6"
    & skf21("7","5","7","4","2","7","5","1") = "6"
    & skf21("7","5","7","4","2","7","6","1") = "6"
    & skf21("7","5","7","4","2","7","7","1") = "6"
    & skf21("7","5","7","4","3","1","1","1") = "6"
    & skf21("7","5","7","4","3","1","2","1") = "6"
    & skf21("7","5","7","4","3","1","3","1") = "6"
    & skf21("7","5","7","4","3","1","4","1") = "6"
    & skf21("7","5","7","4","3","1","5","1") = "6"
    & skf21("7","5","7","4","3","1","6","1") = "6"
    & skf21("7","5","7","4","3","1","7","1") = "6"
    & skf21("7","5","7","4","3","2","1","1") = "6"
    & skf21("7","5","7","4","3","2","2","1") = "6"
    & skf21("7","5","7","4","3","2","3","1") = "6"
    & skf21("7","5","7","4","3","2","4","1") = "6"
    & skf21("7","5","7","4","3","2","5","1") = "6"
    & skf21("7","5","7","4","3","2","6","1") = "6"
    & skf21("7","5","7","4","3","2","7","1") = "6"
    & skf21("7","5","7","4","3","3","1","1") = "6"
    & skf21("7","5","7","4","3","3","2","1") = "6"
    & skf21("7","5","7","4","3","3","3","1") = "6"
    & skf21("7","5","7","4","3","3","4","1") = "6"
    & skf21("7","5","7","4","3","3","5","1") = "6"
    & skf21("7","5","7","4","3","3","6","1") = "6"
    & skf21("7","5","7","4","3","3","7","1") = "6"
    & skf21("7","5","7","4","3","4","1","1") = "6"
    & skf21("7","5","7","4","3","4","2","1") = "6"
    & skf21("7","5","7","4","3","4","3","1") = "6"
    & skf21("7","5","7","4","3","4","4","1") = "6"
    & skf21("7","5","7","4","3","4","5","1") = "6"
    & skf21("7","5","7","4","3","4","6","1") = "6"
    & skf21("7","5","7","4","3","4","7","1") = "6"
    & skf21("7","5","7","4","3","5","1","1") = "6"
    & skf21("7","5","7","4","3","5","2","1") = "6"
    & skf21("7","5","7","4","3","5","3","1") = "6"
    & skf21("7","5","7","4","3","5","4","1") = "6"
    & skf21("7","5","7","4","3","5","5","1") = "6"
    & skf21("7","5","7","4","3","5","6","1") = "6"
    & skf21("7","5","7","4","3","5","7","1") = "6"
    & skf21("7","5","7","4","3","6","1","1") = "6"
    & skf21("7","5","7","4","3","6","2","1") = "6"
    & skf21("7","5","7","4","3","6","3","1") = "6"
    & skf21("7","5","7","4","3","6","4","1") = "6"
    & skf21("7","5","7","4","3","6","5","1") = "6"
    & skf21("7","5","7","4","3","6","6","1") = "6"
    & skf21("7","5","7","4","3","6","7","1") = "6"
    & skf21("7","5","7","4","3","7","1","1") = "6"
    & skf21("7","5","7","4","3","7","2","1") = "6"
    & skf21("7","5","7","4","3","7","3","1") = "6"
    & skf21("7","5","7","4","3","7","4","1") = "6"
    & skf21("7","5","7","4","3","7","5","1") = "6"
    & skf21("7","5","7","4","3","7","6","1") = "6"
    & skf21("7","5","7","4","3","7","7","1") = "6"
    & skf21("7","5","7","4","4","1","1","1") = "6"
    & skf21("7","5","7","4","4","1","2","1") = "6"
    & skf21("7","5","7","4","4","1","3","1") = "6"
    & skf21("7","5","7","4","4","1","4","1") = "6"
    & skf21("7","5","7","4","4","1","5","1") = "6"
    & skf21("7","5","7","4","4","1","6","1") = "6"
    & skf21("7","5","7","4","4","1","7","1") = "6"
    & skf21("7","5","7","4","4","2","1","1") = "6"
    & skf21("7","5","7","4","4","2","2","1") = "6"
    & skf21("7","5","7","4","4","2","3","1") = "6"
    & skf21("7","5","7","4","4","2","4","1") = "6"
    & skf21("7","5","7","4","4","2","5","1") = "6"
    & skf21("7","5","7","4","4","2","6","1") = "6"
    & skf21("7","5","7","4","4","2","7","1") = "6"
    & skf21("7","5","7","4","4","3","1","1") = "6"
    & skf21("7","5","7","4","4","3","2","1") = "6"
    & skf21("7","5","7","4","4","3","3","1") = "6"
    & skf21("7","5","7","4","4","3","4","1") = "6"
    & skf21("7","5","7","4","4","3","5","1") = "6"
    & skf21("7","5","7","4","4","3","6","1") = "6"
    & skf21("7","5","7","4","4","3","7","1") = "6"
    & skf21("7","5","7","4","4","4","1","1") = "6"
    & skf21("7","5","7","4","4","4","2","1") = "6"
    & skf21("7","5","7","4","4","4","3","1") = "6"
    & skf21("7","5","7","4","4","4","4","1") = "6"
    & skf21("7","5","7","4","4","4","5","1") = "6"
    & skf21("7","5","7","4","4","4","6","1") = "6"
    & skf21("7","5","7","4","4","4","7","1") = "6"
    & skf21("7","5","7","4","4","5","1","1") = "6"
    & skf21("7","5","7","4","4","5","2","1") = "6"
    & skf21("7","5","7","4","4","5","3","1") = "6"
    & skf21("7","5","7","4","4","5","4","1") = "6"
    & skf21("7","5","7","4","4","5","5","1") = "6"
    & skf21("7","5","7","4","4","5","6","1") = "6"
    & skf21("7","5","7","4","4","5","7","1") = "6"
    & skf21("7","5","7","4","4","6","1","1") = "6"
    & skf21("7","5","7","4","4","6","2","1") = "6"
    & skf21("7","5","7","4","4","6","3","1") = "6"
    & skf21("7","5","7","4","4","6","4","1") = "6"
    & skf21("7","5","7","4","4","6","5","1") = "6"
    & skf21("7","5","7","4","4","6","6","1") = "6"
    & skf21("7","5","7","4","4","6","7","1") = "6"
    & skf21("7","5","7","4","4","7","1","1") = "6"
    & skf21("7","5","7","4","4","7","2","1") = "6"
    & skf21("7","5","7","4","4","7","3","1") = "6"
    & skf21("7","5","7","4","4","7","4","1") = "6"
    & skf21("7","5","7","4","4","7","5","1") = "6"
    & skf21("7","5","7","4","4","7","6","1") = "6"
    & skf21("7","5","7","4","4","7","7","1") = "6"
    & skf21("7","5","7","4","5","1","1","1") = "6"
    & skf21("7","5","7","4","5","1","2","1") = "6"
    & skf21("7","5","7","4","5","1","3","1") = "6"
    & skf21("7","5","7","4","5","1","4","1") = "6"
    & skf21("7","5","7","4","5","1","5","1") = "6"
    & skf21("7","5","7","4","5","1","6","1") = "6"
    & skf21("7","5","7","4","5","1","7","1") = "6"
    & skf21("7","5","7","4","5","2","1","1") = "6"
    & skf21("7","5","7","4","5","2","2","1") = "6"
    & skf21("7","5","7","4","5","2","3","1") = "6"
    & skf21("7","5","7","4","5","2","4","1") = "6"
    & skf21("7","5","7","4","5","2","5","1") = "6"
    & skf21("7","5","7","4","5","2","6","1") = "6"
    & skf21("7","5","7","4","5","2","7","1") = "6"
    & skf21("7","5","7","4","5","3","1","1") = "6"
    & skf21("7","5","7","4","5","3","2","1") = "6"
    & skf21("7","5","7","4","5","3","3","1") = "6"
    & skf21("7","5","7","4","5","3","4","1") = "6"
    & skf21("7","5","7","4","5","3","5","1") = "6"
    & skf21("7","5","7","4","5","3","6","1") = "6"
    & skf21("7","5","7","4","5","3","7","1") = "6"
    & skf21("7","5","7","4","5","4","1","1") = "6"
    & skf21("7","5","7","4","5","4","2","1") = "6"
    & skf21("7","5","7","4","5","4","3","1") = "6"
    & skf21("7","5","7","4","5","4","4","1") = "6"
    & skf21("7","5","7","4","5","4","5","1") = "6"
    & skf21("7","5","7","4","5","4","6","1") = "6"
    & skf21("7","5","7","4","5","4","7","1") = "6"
    & skf21("7","5","7","4","5","5","1","1") = "6"
    & skf21("7","5","7","4","5","5","2","1") = "6"
    & skf21("7","5","7","4","5","5","3","1") = "6"
    & skf21("7","5","7","4","5","5","4","1") = "6"
    & skf21("7","5","7","4","5","5","5","1") = "6"
    & skf21("7","5","7","4","5","5","6","1") = "6"
    & skf21("7","5","7","4","5","5","7","1") = "6"
    & skf21("7","5","7","4","5","6","1","1") = "6"
    & skf21("7","5","7","4","5","6","2","1") = "6"
    & skf21("7","5","7","4","5","6","3","1") = "6"
    & skf21("7","5","7","4","5","6","4","1") = "6"
    & skf21("7","5","7","4","5","6","5","1") = "6"
    & skf21("7","5","7","4","5","6","6","1") = "6"
    & skf21("7","5","7","4","5","6","7","1") = "6"
    & skf21("7","5","7","4","5","7","1","1") = "6"
    & skf21("7","5","7","4","5","7","2","1") = "6"
    & skf21("7","5","7","4","5","7","3","1") = "6"
    & skf21("7","5","7","4","5","7","4","1") = "6"
    & skf21("7","5","7","4","5","7","5","1") = "6"
    & skf21("7","5","7","4","5","7","6","1") = "6"
    & skf21("7","5","7","4","5","7","7","1") = "6"
    & skf21("7","5","7","4","6","1","1","1") = "6"
    & skf21("7","5","7","4","6","1","2","1") = "6"
    & skf21("7","5","7","4","6","1","3","1") = "6"
    & skf21("7","5","7","4","6","1","4","1") = "6"
    & skf21("7","5","7","4","6","1","5","1") = "6"
    & skf21("7","5","7","4","6","1","6","1") = "6"
    & skf21("7","5","7","4","6","1","7","1") = "6"
    & skf21("7","5","7","4","6","2","1","1") = "6"
    & skf21("7","5","7","4","6","2","2","1") = "6"
    & skf21("7","5","7","4","6","2","3","1") = "6"
    & skf21("7","5","7","4","6","2","4","1") = "6"
    & skf21("7","5","7","4","6","2","5","1") = "6"
    & skf21("7","5","7","4","6","2","6","1") = "6"
    & skf21("7","5","7","4","6","2","7","1") = "6"
    & skf21("7","5","7","4","6","3","1","1") = "6"
    & skf21("7","5","7","4","6","3","2","1") = "6"
    & skf21("7","5","7","4","6","3","3","1") = "6"
    & skf21("7","5","7","4","6","3","4","1") = "6"
    & skf21("7","5","7","4","6","3","5","1") = "6"
    & skf21("7","5","7","4","6","3","6","1") = "6"
    & skf21("7","5","7","4","6","3","7","1") = "6"
    & skf21("7","5","7","4","6","4","1","1") = "6"
    & skf21("7","5","7","4","6","4","2","1") = "6"
    & skf21("7","5","7","4","6","4","3","1") = "6"
    & skf21("7","5","7","4","6","4","4","1") = "6"
    & skf21("7","5","7","4","6","4","5","1") = "6"
    & skf21("7","5","7","4","6","4","6","1") = "6"
    & skf21("7","5","7","4","6","4","7","1") = "6"
    & skf21("7","5","7","4","6","5","1","1") = "6"
    & skf21("7","5","7","4","6","5","2","1") = "6"
    & skf21("7","5","7","4","6","5","3","1") = "6"
    & skf21("7","5","7","4","6","5","4","1") = "6"
    & skf21("7","5","7","4","6","5","5","1") = "6"
    & skf21("7","5","7","4","6","5","6","1") = "6"
    & skf21("7","5","7","4","6","5","7","1") = "6"
    & skf21("7","5","7","4","6","6","1","1") = "6"
    & skf21("7","5","7","4","6","6","2","1") = "6"
    & skf21("7","5","7","4","6","6","3","1") = "6"
    & skf21("7","5","7","4","6","6","4","1") = "6"
    & skf21("7","5","7","4","6","6","5","1") = "6"
    & skf21("7","5","7","4","6","6","6","1") = "6"
    & skf21("7","5","7","4","6","6","7","1") = "6"
    & skf21("7","5","7","4","6","7","1","1") = "6"
    & skf21("7","5","7","4","6","7","2","1") = "6"
    & skf21("7","5","7","4","6","7","3","1") = "6"
    & skf21("7","5","7","4","6","7","4","1") = "6"
    & skf21("7","5","7","4","6","7","5","1") = "6"
    & skf21("7","5","7","4","6","7","6","1") = "6"
    & skf21("7","5","7","4","6","7","7","1") = "6"
    & skf21("7","5","7","4","7","1","1","1") = "6"
    & skf21("7","5","7","4","7","1","2","1") = "6"
    & skf21("7","5","7","4","7","1","3","1") = "6"
    & skf21("7","5","7","4","7","1","4","1") = "6"
    & skf21("7","5","7","4","7","1","5","1") = "6"
    & skf21("7","5","7","4","7","1","6","1") = "6"
    & skf21("7","5","7","4","7","1","7","1") = "6"
    & skf21("7","5","7","4","7","2","1","1") = "6"
    & skf21("7","5","7","4","7","2","2","1") = "6"
    & skf21("7","5","7","4","7","2","3","1") = "6"
    & skf21("7","5","7","4","7","2","4","1") = "6"
    & skf21("7","5","7","4","7","2","5","1") = "6"
    & skf21("7","5","7","4","7","2","6","1") = "6"
    & skf21("7","5","7","4","7","2","7","1") = "6"
    & skf21("7","5","7","4","7","3","1","1") = "6"
    & skf21("7","5","7","4","7","3","2","1") = "6"
    & skf21("7","5","7","4","7","3","3","1") = "6"
    & skf21("7","5","7","4","7","3","4","1") = "6"
    & skf21("7","5","7","4","7","3","5","1") = "6"
    & skf21("7","5","7","4","7","3","6","1") = "6"
    & skf21("7","5","7","4","7","3","7","1") = "6"
    & skf21("7","5","7","4","7","4","1","1") = "6"
    & skf21("7","5","7","4","7","4","2","1") = "6"
    & skf21("7","5","7","4","7","4","3","1") = "6"
    & skf21("7","5","7","4","7","4","4","1") = "6"
    & skf21("7","5","7","4","7","4","5","1") = "6"
    & skf21("7","5","7","4","7","4","6","1") = "6"
    & skf21("7","5","7","4","7","4","7","1") = "6"
    & skf21("7","5","7","4","7","5","1","1") = "6"
    & skf21("7","5","7","4","7","5","2","1") = "6"
    & skf21("7","5","7","4","7","5","3","1") = "6"
    & skf21("7","5","7","4","7","5","4","1") = "6"
    & skf21("7","5","7","4","7","5","5","1") = "6"
    & skf21("7","5","7","4","7","5","6","1") = "6"
    & skf21("7","5","7","4","7","5","7","1") = "6"
    & skf21("7","5","7","4","7","6","1","1") = "6"
    & skf21("7","5","7","4","7","6","2","1") = "6"
    & skf21("7","5","7","4","7","6","3","1") = "6"
    & skf21("7","5","7","4","7","6","4","1") = "6"
    & skf21("7","5","7","4","7","6","5","1") = "6"
    & skf21("7","5","7","4","7","6","6","1") = "6"
    & skf21("7","5","7","4","7","6","7","1") = "6"
    & skf21("7","5","7","4","7","7","1","1") = "6"
    & skf21("7","5","7","4","7","7","2","1") = "6"
    & skf21("7","5","7","4","7","7","3","1") = "6"
    & skf21("7","5","7","4","7","7","4","1") = "6"
    & skf21("7","5","7","4","7","7","5","1") = "6"
    & skf21("7","5","7","4","7","7","6","1") = "6"
    & skf21("7","5","7","4","7","7","7","1") = "6"
    & skf21("7","5","7","5","1","1","1","1") = "6"
    & skf21("7","5","7","5","1","1","2","1") = "6"
    & skf21("7","5","7","5","1","1","3","1") = "6"
    & skf21("7","5","7","5","1","1","4","1") = "6"
    & skf21("7","5","7","5","1","1","5","1") = "6"
    & skf21("7","5","7","5","1","1","6","1") = "6"
    & skf21("7","5","7","5","1","1","7","1") = "6"
    & skf21("7","5","7","5","1","2","1","1") = "6"
    & skf21("7","5","7","5","1","2","2","1") = "6"
    & skf21("7","5","7","5","1","2","3","1") = "6"
    & skf21("7","5","7","5","1","2","4","1") = "6"
    & skf21("7","5","7","5","1","2","5","1") = "6"
    & skf21("7","5","7","5","1","2","6","1") = "6"
    & skf21("7","5","7","5","1","2","7","1") = "6"
    & skf21("7","5","7","5","1","3","1","1") = "6"
    & skf21("7","5","7","5","1","3","2","1") = "6"
    & skf21("7","5","7","5","1","3","3","1") = "6"
    & skf21("7","5","7","5","1","3","4","1") = "6"
    & skf21("7","5","7","5","1","3","5","1") = "6"
    & skf21("7","5","7","5","1","3","6","1") = "6"
    & skf21("7","5","7","5","1","3","7","1") = "6"
    & skf21("7","5","7","5","1","4","1","1") = "6"
    & skf21("7","5","7","5","1","4","2","1") = "6"
    & skf21("7","5","7","5","1","4","3","1") = "6"
    & skf21("7","5","7","5","1","4","4","1") = "6"
    & skf21("7","5","7","5","1","4","5","1") = "6"
    & skf21("7","5","7","5","1","4","6","1") = "6"
    & skf21("7","5","7","5","1","4","7","1") = "6"
    & skf21("7","5","7","5","1","5","1","1") = "6"
    & skf21("7","5","7","5","1","5","2","1") = "6"
    & skf21("7","5","7","5","1","5","3","1") = "6"
    & skf21("7","5","7","5","1","5","4","1") = "6"
    & skf21("7","5","7","5","1","5","5","1") = "6"
    & skf21("7","5","7","5","1","5","6","1") = "6"
    & skf21("7","5","7","5","1","5","7","1") = "6"
    & skf21("7","5","7","5","1","6","1","1") = "6"
    & skf21("7","5","7","5","1","6","2","1") = "6"
    & skf21("7","5","7","5","1","6","3","1") = "6"
    & skf21("7","5","7","5","1","6","4","1") = "6"
    & skf21("7","5","7","5","1","6","5","1") = "6"
    & skf21("7","5","7","5","1","6","6","1") = "6"
    & skf21("7","5","7","5","1","6","7","1") = "6"
    & skf21("7","5","7","5","1","7","1","1") = "6"
    & skf21("7","5","7","5","1","7","2","1") = "6"
    & skf21("7","5","7","5","1","7","3","1") = "6"
    & skf21("7","5","7","5","1","7","4","1") = "6"
    & skf21("7","5","7","5","1","7","5","1") = "6"
    & skf21("7","5","7","5","1","7","6","1") = "6"
    & skf21("7","5","7","5","1","7","7","1") = "6"
    & skf21("7","5","7","5","2","1","1","1") = "6"
    & skf21("7","5","7","5","2","1","2","1") = "6"
    & skf21("7","5","7","5","2","1","3","1") = "6"
    & skf21("7","5","7","5","2","1","4","1") = "6"
    & skf21("7","5","7","5","2","1","5","1") = "6"
    & skf21("7","5","7","5","2","1","6","1") = "6"
    & skf21("7","5","7","5","2","1","7","1") = "6"
    & skf21("7","5","7","5","2","2","1","1") = "6"
    & skf21("7","5","7","5","2","2","2","1") = "6"
    & skf21("7","5","7","5","2","2","3","1") = "6"
    & skf21("7","5","7","5","2","2","4","1") = "6"
    & skf21("7","5","7","5","2","2","5","1") = "6"
    & skf21("7","5","7","5","2","2","6","1") = "6"
    & skf21("7","5","7","5","2","2","7","1") = "6"
    & skf21("7","5","7","5","2","3","1","1") = "6"
    & skf21("7","5","7","5","2","3","2","1") = "6"
    & skf21("7","5","7","5","2","3","3","1") = "6"
    & skf21("7","5","7","5","2","3","4","1") = "6"
    & skf21("7","5","7","5","2","3","5","1") = "6"
    & skf21("7","5","7","5","2","3","6","1") = "6"
    & skf21("7","5","7","5","2","3","7","1") = "6"
    & skf21("7","5","7","5","2","4","1","1") = "6"
    & skf21("7","5","7","5","2","4","2","1") = "6"
    & skf21("7","5","7","5","2","4","3","1") = "6"
    & skf21("7","5","7","5","2","4","4","1") = "6"
    & skf21("7","5","7","5","2","4","5","1") = "6"
    & skf21("7","5","7","5","2","4","6","1") = "6"
    & skf21("7","5","7","5","2","4","7","1") = "6"
    & skf21("7","5","7","5","2","5","1","1") = "6"
    & skf21("7","5","7","5","2","5","2","1") = "6"
    & skf21("7","5","7","5","2","5","3","1") = "6"
    & skf21("7","5","7","5","2","5","4","1") = "6"
    & skf21("7","5","7","5","2","5","5","1") = "6"
    & skf21("7","5","7","5","2","5","6","1") = "6"
    & skf21("7","5","7","5","2","5","7","1") = "6"
    & skf21("7","5","7","5","2","6","1","1") = "6"
    & skf21("7","5","7","5","2","6","2","1") = "6"
    & skf21("7","5","7","5","2","6","3","1") = "6"
    & skf21("7","5","7","5","2","6","4","1") = "6"
    & skf21("7","5","7","5","2","6","5","1") = "6"
    & skf21("7","5","7","5","2","6","6","1") = "6"
    & skf21("7","5","7","5","2","6","7","1") = "6"
    & skf21("7","5","7","5","2","7","1","1") = "6"
    & skf21("7","5","7","5","2","7","2","1") = "6"
    & skf21("7","5","7","5","2","7","3","1") = "6"
    & skf21("7","5","7","5","2","7","4","1") = "6"
    & skf21("7","5","7","5","2","7","5","1") = "6"
    & skf21("7","5","7","5","2","7","6","1") = "6"
    & skf21("7","5","7","5","2","7","7","1") = "6"
    & skf21("7","5","7","5","3","1","1","1") = "6"
    & skf21("7","5","7","5","3","1","2","1") = "6"
    & skf21("7","5","7","5","3","1","3","1") = "6"
    & skf21("7","5","7","5","3","1","4","1") = "6"
    & skf21("7","5","7","5","3","1","5","1") = "6"
    & skf21("7","5","7","5","3","1","6","1") = "6"
    & skf21("7","5","7","5","3","1","7","1") = "6"
    & skf21("7","5","7","5","3","2","1","1") = "6"
    & skf21("7","5","7","5","3","2","2","1") = "6"
    & skf21("7","5","7","5","3","2","3","1") = "6"
    & skf21("7","5","7","5","3","2","4","1") = "6"
    & skf21("7","5","7","5","3","2","5","1") = "6"
    & skf21("7","5","7","5","3","2","6","1") = "6"
    & skf21("7","5","7","5","3","2","7","1") = "6"
    & skf21("7","5","7","5","3","3","1","1") = "6"
    & skf21("7","5","7","5","3","3","2","1") = "6"
    & skf21("7","5","7","5","3","3","3","1") = "6"
    & skf21("7","5","7","5","3","3","4","1") = "6"
    & skf21("7","5","7","5","3","3","5","1") = "6"
    & skf21("7","5","7","5","3","3","6","1") = "6"
    & skf21("7","5","7","5","3","3","7","1") = "6"
    & skf21("7","5","7","5","3","4","1","1") = "6"
    & skf21("7","5","7","5","3","4","2","1") = "6"
    & skf21("7","5","7","5","3","4","3","1") = "6"
    & skf21("7","5","7","5","3","4","4","1") = "6"
    & skf21("7","5","7","5","3","4","5","1") = "6"
    & skf21("7","5","7","5","3","4","6","1") = "6"
    & skf21("7","5","7","5","3","4","7","1") = "6"
    & skf21("7","5","7","5","3","5","1","1") = "6"
    & skf21("7","5","7","5","3","5","2","1") = "6"
    & skf21("7","5","7","5","3","5","3","1") = "6"
    & skf21("7","5","7","5","3","5","4","1") = "6"
    & skf21("7","5","7","5","3","5","5","1") = "6"
    & skf21("7","5","7","5","3","5","6","1") = "6"
    & skf21("7","5","7","5","3","5","7","1") = "6"
    & skf21("7","5","7","5","3","6","1","1") = "6"
    & skf21("7","5","7","5","3","6","2","1") = "6"
    & skf21("7","5","7","5","3","6","3","1") = "6"
    & skf21("7","5","7","5","3","6","4","1") = "6"
    & skf21("7","5","7","5","3","6","5","1") = "6"
    & skf21("7","5","7","5","3","6","6","1") = "6"
    & skf21("7","5","7","5","3","6","7","1") = "6"
    & skf21("7","5","7","5","3","7","1","1") = "6"
    & skf21("7","5","7","5","3","7","2","1") = "6"
    & skf21("7","5","7","5","3","7","3","1") = "6"
    & skf21("7","5","7","5","3","7","4","1") = "6"
    & skf21("7","5","7","5","3","7","5","1") = "6"
    & skf21("7","5","7","5","3","7","6","1") = "6"
    & skf21("7","5","7","5","3","7","7","1") = "6"
    & skf21("7","5","7","5","4","1","1","1") = "6"
    & skf21("7","5","7","5","4","1","2","1") = "6"
    & skf21("7","5","7","5","4","1","3","1") = "6"
    & skf21("7","5","7","5","4","1","4","1") = "6"
    & skf21("7","5","7","5","4","1","5","1") = "6"
    & skf21("7","5","7","5","4","1","6","1") = "6"
    & skf21("7","5","7","5","4","1","7","1") = "6"
    & skf21("7","5","7","5","4","2","1","1") = "6"
    & skf21("7","5","7","5","4","2","2","1") = "6"
    & skf21("7","5","7","5","4","2","3","1") = "6"
    & skf21("7","5","7","5","4","2","4","1") = "6"
    & skf21("7","5","7","5","4","2","5","1") = "6"
    & skf21("7","5","7","5","4","2","6","1") = "6"
    & skf21("7","5","7","5","4","2","7","1") = "6"
    & skf21("7","5","7","5","4","3","1","1") = "6"
    & skf21("7","5","7","5","4","3","2","1") = "6"
    & skf21("7","5","7","5","4","3","3","1") = "6"
    & skf21("7","5","7","5","4","3","4","1") = "6"
    & skf21("7","5","7","5","4","3","5","1") = "6"
    & skf21("7","5","7","5","4","3","6","1") = "6"
    & skf21("7","5","7","5","4","3","7","1") = "6"
    & skf21("7","5","7","5","4","4","1","1") = "6"
    & skf21("7","5","7","5","4","4","2","1") = "6"
    & skf21("7","5","7","5","4","4","3","1") = "6"
    & skf21("7","5","7","5","4","4","4","1") = "6"
    & skf21("7","5","7","5","4","4","5","1") = "6"
    & skf21("7","5","7","5","4","4","6","1") = "6"
    & skf21("7","5","7","5","4","4","7","1") = "6"
    & skf21("7","5","7","5","4","5","1","1") = "6"
    & skf21("7","5","7","5","4","5","2","1") = "6"
    & skf21("7","5","7","5","4","5","3","1") = "6"
    & skf21("7","5","7","5","4","5","4","1") = "6"
    & skf21("7","5","7","5","4","5","5","1") = "6"
    & skf21("7","5","7","5","4","5","6","1") = "6"
    & skf21("7","5","7","5","4","5","7","1") = "6"
    & skf21("7","5","7","5","4","6","1","1") = "6"
    & skf21("7","5","7","5","4","6","2","1") = "6"
    & skf21("7","5","7","5","4","6","3","1") = "6"
    & skf21("7","5","7","5","4","6","4","1") = "6"
    & skf21("7","5","7","5","4","6","5","1") = "6"
    & skf21("7","5","7","5","4","6","6","1") = "6"
    & skf21("7","5","7","5","4","6","7","1") = "6"
    & skf21("7","5","7","5","4","7","1","1") = "6"
    & skf21("7","5","7","5","4","7","2","1") = "6"
    & skf21("7","5","7","5","4","7","3","1") = "6"
    & skf21("7","5","7","5","4","7","4","1") = "6"
    & skf21("7","5","7","5","4","7","5","1") = "6"
    & skf21("7","5","7","5","4","7","6","1") = "6"
    & skf21("7","5","7","5","4","7","7","1") = "6"
    & skf21("7","5","7","5","5","1","1","1") = "6"
    & skf21("7","5","7","5","5","1","2","1") = "6"
    & skf21("7","5","7","5","5","1","3","1") = "6"
    & skf21("7","5","7","5","5","1","4","1") = "6"
    & skf21("7","5","7","5","5","1","5","1") = "6"
    & skf21("7","5","7","5","5","1","6","1") = "6"
    & skf21("7","5","7","5","5","1","7","1") = "6"
    & skf21("7","5","7","5","5","2","1","1") = "6"
    & skf21("7","5","7","5","5","2","2","1") = "6"
    & skf21("7","5","7","5","5","2","3","1") = "6"
    & skf21("7","5","7","5","5","2","4","1") = "6"
    & skf21("7","5","7","5","5","2","5","1") = "6"
    & skf21("7","5","7","5","5","2","6","1") = "6"
    & skf21("7","5","7","5","5","2","7","1") = "6"
    & skf21("7","5","7","5","5","3","1","1") = "6"
    & skf21("7","5","7","5","5","3","2","1") = "6"
    & skf21("7","5","7","5","5","3","3","1") = "6"
    & skf21("7","5","7","5","5","3","4","1") = "6"
    & skf21("7","5","7","5","5","3","5","1") = "6"
    & skf21("7","5","7","5","5","3","6","1") = "6"
    & skf21("7","5","7","5","5","3","7","1") = "6"
    & skf21("7","5","7","5","5","4","1","1") = "6"
    & skf21("7","5","7","5","5","4","2","1") = "6"
    & skf21("7","5","7","5","5","4","3","1") = "6"
    & skf21("7","5","7","5","5","4","4","1") = "6"
    & skf21("7","5","7","5","5","4","5","1") = "6"
    & skf21("7","5","7","5","5","4","6","1") = "6"
    & skf21("7","5","7","5","5","4","7","1") = "6"
    & skf21("7","5","7","5","5","5","1","1") = "6"
    & skf21("7","5","7","5","5","5","2","1") = "6"
    & skf21("7","5","7","5","5","5","3","1") = "6"
    & skf21("7","5","7","5","5","5","4","1") = "6"
    & skf21("7","5","7","5","5","5","5","1") = "6"
    & skf21("7","5","7","5","5","5","6","1") = "6"
    & skf21("7","5","7","5","5","5","7","1") = "6"
    & skf21("7","5","7","5","5","6","1","1") = "6"
    & skf21("7","5","7","5","5","6","2","1") = "6"
    & skf21("7","5","7","5","5","6","3","1") = "6"
    & skf21("7","5","7","5","5","6","4","1") = "6"
    & skf21("7","5","7","5","5","6","5","1") = "6"
    & skf21("7","5","7","5","5","6","6","1") = "6"
    & skf21("7","5","7","5","5","6","7","1") = "6"
    & skf21("7","5","7","5","5","7","1","1") = "6"
    & skf21("7","5","7","5","5","7","2","1") = "6"
    & skf21("7","5","7","5","5","7","3","1") = "6"
    & skf21("7","5","7","5","5","7","4","1") = "6"
    & skf21("7","5","7","5","5","7","5","1") = "6"
    & skf21("7","5","7","5","5","7","6","1") = "6"
    & skf21("7","5","7","5","5","7","7","1") = "6"
    & skf21("7","5","7","5","6","1","1","1") = "6"
    & skf21("7","5","7","5","6","1","2","1") = "6"
    & skf21("7","5","7","5","6","1","3","1") = "6"
    & skf21("7","5","7","5","6","1","4","1") = "6"
    & skf21("7","5","7","5","6","1","5","1") = "6"
    & skf21("7","5","7","5","6","1","6","1") = "6"
    & skf21("7","5","7","5","6","1","7","1") = "6"
    & skf21("7","5","7","5","6","2","1","1") = "6"
    & skf21("7","5","7","5","6","2","2","1") = "6"
    & skf21("7","5","7","5","6","2","3","1") = "6"
    & skf21("7","5","7","5","6","2","4","1") = "6"
    & skf21("7","5","7","5","6","2","5","1") = "6"
    & skf21("7","5","7","5","6","2","6","1") = "6"
    & skf21("7","5","7","5","6","2","7","1") = "6"
    & skf21("7","5","7","5","6","3","1","1") = "6"
    & skf21("7","5","7","5","6","3","2","1") = "6"
    & skf21("7","5","7","5","6","3","3","1") = "6"
    & skf21("7","5","7","5","6","3","4","1") = "6"
    & skf21("7","5","7","5","6","3","5","1") = "6"
    & skf21("7","5","7","5","6","3","6","1") = "6"
    & skf21("7","5","7","5","6","3","7","1") = "6"
    & skf21("7","5","7","5","6","4","1","1") = "6"
    & skf21("7","5","7","5","6","4","2","1") = "6"
    & skf21("7","5","7","5","6","4","3","1") = "6"
    & skf21("7","5","7","5","6","4","4","1") = "6"
    & skf21("7","5","7","5","6","4","5","1") = "6"
    & skf21("7","5","7","5","6","4","6","1") = "6"
    & skf21("7","5","7","5","6","4","7","1") = "6"
    & skf21("7","5","7","5","6","5","1","1") = "6"
    & skf21("7","5","7","5","6","5","2","1") = "6"
    & skf21("7","5","7","5","6","5","3","1") = "6"
    & skf21("7","5","7","5","6","5","4","1") = "6"
    & skf21("7","5","7","5","6","5","5","1") = "6"
    & skf21("7","5","7","5","6","5","6","1") = "6"
    & skf21("7","5","7","5","6","5","7","1") = "6"
    & skf21("7","5","7","5","6","6","1","1") = "6"
    & skf21("7","5","7","5","6","6","2","1") = "6"
    & skf21("7","5","7","5","6","6","3","1") = "6"
    & skf21("7","5","7","5","6","6","4","1") = "6"
    & skf21("7","5","7","5","6","6","5","1") = "6"
    & skf21("7","5","7","5","6","6","6","1") = "6"
    & skf21("7","5","7","5","6","6","7","1") = "6"
    & skf21("7","5","7","5","6","7","1","1") = "6"
    & skf21("7","5","7","5","6","7","2","1") = "6"
    & skf21("7","5","7","5","6","7","3","1") = "6"
    & skf21("7","5","7","5","6","7","4","1") = "6"
    & skf21("7","5","7","5","6","7","5","1") = "6"
    & skf21("7","5","7","5","6","7","6","1") = "6"
    & skf21("7","5","7","5","6","7","7","1") = "6"
    & skf21("7","5","7","5","7","1","1","1") = "6"
    & skf21("7","5","7","5","7","1","2","1") = "6"
    & skf21("7","5","7","5","7","1","3","1") = "6"
    & skf21("7","5","7","5","7","1","4","1") = "6"
    & skf21("7","5","7","5","7","1","5","1") = "6"
    & skf21("7","5","7","5","7","1","6","1") = "6"
    & skf21("7","5","7","5","7","1","7","1") = "6"
    & skf21("7","5","7","5","7","2","1","1") = "6"
    & skf21("7","5","7","5","7","2","2","1") = "6"
    & skf21("7","5","7","5","7","2","3","1") = "6"
    & skf21("7","5","7","5","7","2","4","1") = "6"
    & skf21("7","5","7","5","7","2","5","1") = "6"
    & skf21("7","5","7","5","7","2","6","1") = "6"
    & skf21("7","5","7","5","7","2","7","1") = "6"
    & skf21("7","5","7","5","7","3","1","1") = "6"
    & skf21("7","5","7","5","7","3","2","1") = "6"
    & skf21("7","5","7","5","7","3","3","1") = "6"
    & skf21("7","5","7","5","7","3","4","1") = "6"
    & skf21("7","5","7","5","7","3","5","1") = "6"
    & skf21("7","5","7","5","7","3","6","1") = "6"
    & skf21("7","5","7","5","7","3","7","1") = "6"
    & skf21("7","5","7","5","7","4","1","1") = "6"
    & skf21("7","5","7","5","7","4","2","1") = "6"
    & skf21("7","5","7","5","7","4","3","1") = "6"
    & skf21("7","5","7","5","7","4","4","1") = "6"
    & skf21("7","5","7","5","7","4","5","1") = "6"
    & skf21("7","5","7","5","7","4","6","1") = "6"
    & skf21("7","5","7","5","7","4","7","1") = "6"
    & skf21("7","5","7","5","7","5","1","1") = "6"
    & skf21("7","5","7","5","7","5","2","1") = "6"
    & skf21("7","5","7","5","7","5","3","1") = "6"
    & skf21("7","5","7","5","7","5","4","1") = "6"
    & skf21("7","5","7","5","7","5","5","1") = "6"
    & skf21("7","5","7","5","7","5","6","1") = "6"
    & skf21("7","5","7","5","7","5","7","1") = "6"
    & skf21("7","5","7","5","7","6","1","1") = "6"
    & skf21("7","5","7","5","7","6","2","1") = "6"
    & skf21("7","5","7","5","7","6","3","1") = "6"
    & skf21("7","5","7","5","7","6","4","1") = "6"
    & skf21("7","5","7","5","7","6","5","1") = "6"
    & skf21("7","5","7","5","7","6","6","1") = "6"
    & skf21("7","5","7","5","7","6","7","1") = "6"
    & skf21("7","5","7","5","7","7","1","1") = "6"
    & skf21("7","5","7","5","7","7","2","1") = "6"
    & skf21("7","5","7","5","7","7","3","1") = "6"
    & skf21("7","5","7","5","7","7","4","1") = "6"
    & skf21("7","5","7","5","7","7","5","1") = "6"
    & skf21("7","5","7","5","7","7","6","1") = "6"
    & skf21("7","5","7","5","7","7","7","1") = "6"
    & skf21("7","5","7","6","1","1","1","1") = "6"
    & skf21("7","5","7","6","1","1","2","1") = "6"
    & skf21("7","5","7","6","1","1","3","1") = "6"
    & skf21("7","5","7","6","1","1","4","1") = "6"
    & skf21("7","5","7","6","1","1","5","1") = "6"
    & skf21("7","5","7","6","1","1","6","1") = "6"
    & skf21("7","5","7","6","1","1","7","1") = "6"
    & skf21("7","5","7","6","1","2","1","1") = "6"
    & skf21("7","5","7","6","1","2","2","1") = "6"
    & skf21("7","5","7","6","1","2","3","1") = "6"
    & skf21("7","5","7","6","1","2","4","1") = "6"
    & skf21("7","5","7","6","1","2","5","1") = "6"
    & skf21("7","5","7","6","1","2","6","1") = "6"
    & skf21("7","5","7","6","1","2","7","1") = "6"
    & skf21("7","5","7","6","1","3","1","1") = "6"
    & skf21("7","5","7","6","1","3","2","1") = "6"
    & skf21("7","5","7","6","1","3","3","1") = "6"
    & skf21("7","5","7","6","1","3","4","1") = "6"
    & skf21("7","5","7","6","1","3","5","1") = "6"
    & skf21("7","5","7","6","1","3","6","1") = "6"
    & skf21("7","5","7","6","1","3","7","1") = "6"
    & skf21("7","5","7","6","1","4","1","1") = "6"
    & skf21("7","5","7","6","1","4","2","1") = "6"
    & skf21("7","5","7","6","1","4","3","1") = "6"
    & skf21("7","5","7","6","1","4","4","1") = "6"
    & skf21("7","5","7","6","1","4","5","1") = "6"
    & skf21("7","5","7","6","1","4","6","1") = "6"
    & skf21("7","5","7","6","1","4","7","1") = "6"
    & skf21("7","5","7","6","1","5","1","1") = "6"
    & skf21("7","5","7","6","1","5","2","1") = "6"
    & skf21("7","5","7","6","1","5","3","1") = "6"
    & skf21("7","5","7","6","1","5","4","1") = "6"
    & skf21("7","5","7","6","1","5","5","1") = "6"
    & skf21("7","5","7","6","1","5","6","1") = "6"
    & skf21("7","5","7","6","1","5","7","1") = "6"
    & skf21("7","5","7","6","1","6","1","1") = "6"
    & skf21("7","5","7","6","1","6","2","1") = "6"
    & skf21("7","5","7","6","1","6","3","1") = "6"
    & skf21("7","5","7","6","1","6","4","1") = "6"
    & skf21("7","5","7","6","1","6","5","1") = "6"
    & skf21("7","5","7","6","1","6","6","1") = "6"
    & skf21("7","5","7","6","1","6","7","1") = "6"
    & skf21("7","5","7","6","1","7","1","1") = "6"
    & skf21("7","5","7","6","1","7","2","1") = "6"
    & skf21("7","5","7","6","1","7","3","1") = "6"
    & skf21("7","5","7","6","1","7","4","1") = "6"
    & skf21("7","5","7","6","1","7","5","1") = "6"
    & skf21("7","5","7","6","1","7","6","1") = "6"
    & skf21("7","5","7","6","1","7","7","1") = "6"
    & skf21("7","5","7","6","2","1","1","1") = "6"
    & skf21("7","5","7","6","2","1","2","1") = "6"
    & skf21("7","5","7","6","2","1","3","1") = "6"
    & skf21("7","5","7","6","2","1","4","1") = "6"
    & skf21("7","5","7","6","2","1","5","1") = "6"
    & skf21("7","5","7","6","2","1","6","1") = "6"
    & skf21("7","5","7","6","2","1","7","1") = "6"
    & skf21("7","5","7","6","2","2","1","1") = "6"
    & skf21("7","5","7","6","2","2","2","1") = "6"
    & skf21("7","5","7","6","2","2","3","1") = "6"
    & skf21("7","5","7","6","2","2","4","1") = "6"
    & skf21("7","5","7","6","2","2","5","1") = "6"
    & skf21("7","5","7","6","2","2","6","1") = "6"
    & skf21("7","5","7","6","2","2","7","1") = "6"
    & skf21("7","5","7","6","2","3","1","1") = "6"
    & skf21("7","5","7","6","2","3","2","1") = "6"
    & skf21("7","5","7","6","2","3","3","1") = "6"
    & skf21("7","5","7","6","2","3","4","1") = "6"
    & skf21("7","5","7","6","2","3","5","1") = "6"
    & skf21("7","5","7","6","2","3","6","1") = "6"
    & skf21("7","5","7","6","2","3","7","1") = "6"
    & skf21("7","5","7","6","2","4","1","1") = "6"
    & skf21("7","5","7","6","2","4","2","1") = "6"
    & skf21("7","5","7","6","2","4","3","1") = "6"
    & skf21("7","5","7","6","2","4","4","1") = "6"
    & skf21("7","5","7","6","2","4","5","1") = "6"
    & skf21("7","5","7","6","2","4","6","1") = "6"
    & skf21("7","5","7","6","2","4","7","1") = "6"
    & skf21("7","5","7","6","2","5","1","1") = "6"
    & skf21("7","5","7","6","2","5","2","1") = "6"
    & skf21("7","5","7","6","2","5","3","1") = "6"
    & skf21("7","5","7","6","2","5","4","1") = "6"
    & skf21("7","5","7","6","2","5","5","1") = "6"
    & skf21("7","5","7","6","2","5","6","1") = "6"
    & skf21("7","5","7","6","2","5","7","1") = "6"
    & skf21("7","5","7","6","2","6","1","1") = "6"
    & skf21("7","5","7","6","2","6","2","1") = "6"
    & skf21("7","5","7","6","2","6","3","1") = "6"
    & skf21("7","5","7","6","2","6","4","1") = "6"
    & skf21("7","5","7","6","2","6","5","1") = "6"
    & skf21("7","5","7","6","2","6","6","1") = "6"
    & skf21("7","5","7","6","2","6","7","1") = "6"
    & skf21("7","5","7","6","2","7","1","1") = "6"
    & skf21("7","5","7","6","2","7","2","1") = "6"
    & skf21("7","5","7","6","2","7","3","1") = "6"
    & skf21("7","5","7","6","2","7","4","1") = "6"
    & skf21("7","5","7","6","2","7","5","1") = "6"
    & skf21("7","5","7","6","2","7","6","1") = "6"
    & skf21("7","5","7","6","2","7","7","1") = "6"
    & skf21("7","5","7","6","3","1","1","1") = "6"
    & skf21("7","5","7","6","3","1","2","1") = "6"
    & skf21("7","5","7","6","3","1","3","1") = "6"
    & skf21("7","5","7","6","3","1","4","1") = "6"
    & skf21("7","5","7","6","3","1","5","1") = "6"
    & skf21("7","5","7","6","3","1","6","1") = "6"
    & skf21("7","5","7","6","3","1","7","1") = "6"
    & skf21("7","5","7","6","3","2","1","1") = "6"
    & skf21("7","5","7","6","3","2","2","1") = "6"
    & skf21("7","5","7","6","3","2","3","1") = "6"
    & skf21("7","5","7","6","3","2","4","1") = "6"
    & skf21("7","5","7","6","3","2","5","1") = "6"
    & skf21("7","5","7","6","3","2","6","1") = "6"
    & skf21("7","5","7","6","3","2","7","1") = "6"
    & skf21("7","5","7","6","3","3","1","1") = "6"
    & skf21("7","5","7","6","3","3","2","1") = "6"
    & skf21("7","5","7","6","3","3","3","1") = "6"
    & skf21("7","5","7","6","3","3","4","1") = "6"
    & skf21("7","5","7","6","3","3","5","1") = "6"
    & skf21("7","5","7","6","3","3","6","1") = "6"
    & skf21("7","5","7","6","3","3","7","1") = "6"
    & skf21("7","5","7","6","3","4","1","1") = "6"
    & skf21("7","5","7","6","3","4","2","1") = "6"
    & skf21("7","5","7","6","3","4","3","1") = "6"
    & skf21("7","5","7","6","3","4","4","1") = "6"
    & skf21("7","5","7","6","3","4","5","1") = "6"
    & skf21("7","5","7","6","3","4","6","1") = "6"
    & skf21("7","5","7","6","3","4","7","1") = "6"
    & skf21("7","5","7","6","3","5","1","1") = "6"
    & skf21("7","5","7","6","3","5","2","1") = "6"
    & skf21("7","5","7","6","3","5","3","1") = "6"
    & skf21("7","5","7","6","3","5","4","1") = "6"
    & skf21("7","5","7","6","3","5","5","1") = "6"
    & skf21("7","5","7","6","3","5","6","1") = "6"
    & skf21("7","5","7","6","3","5","7","1") = "6"
    & skf21("7","5","7","6","3","6","1","1") = "6"
    & skf21("7","5","7","6","3","6","2","1") = "6"
    & skf21("7","5","7","6","3","6","3","1") = "6"
    & skf21("7","5","7","6","3","6","4","1") = "6"
    & skf21("7","5","7","6","3","6","5","1") = "6"
    & skf21("7","5","7","6","3","6","6","1") = "6"
    & skf21("7","5","7","6","3","6","7","1") = "6"
    & skf21("7","5","7","6","3","7","1","1") = "6"
    & skf21("7","5","7","6","3","7","2","1") = "6"
    & skf21("7","5","7","6","3","7","3","1") = "6"
    & skf21("7","5","7","6","3","7","4","1") = "6"
    & skf21("7","5","7","6","3","7","5","1") = "6"
    & skf21("7","5","7","6","3","7","6","1") = "6"
    & skf21("7","5","7","6","3","7","7","1") = "6"
    & skf21("7","5","7","6","4","1","1","1") = "6"
    & skf21("7","5","7","6","4","1","2","1") = "6"
    & skf21("7","5","7","6","4","1","3","1") = "6"
    & skf21("7","5","7","6","4","1","4","1") = "6"
    & skf21("7","5","7","6","4","1","5","1") = "6"
    & skf21("7","5","7","6","4","1","6","1") = "6"
    & skf21("7","5","7","6","4","1","7","1") = "6"
    & skf21("7","5","7","6","4","2","1","1") = "6"
    & skf21("7","5","7","6","4","2","2","1") = "6"
    & skf21("7","5","7","6","4","2","3","1") = "6"
    & skf21("7","5","7","6","4","2","4","1") = "6"
    & skf21("7","5","7","6","4","2","5","1") = "6"
    & skf21("7","5","7","6","4","2","6","1") = "6"
    & skf21("7","5","7","6","4","2","7","1") = "6"
    & skf21("7","5","7","6","4","3","1","1") = "6"
    & skf21("7","5","7","6","4","3","2","1") = "6"
    & skf21("7","5","7","6","4","3","3","1") = "6"
    & skf21("7","5","7","6","4","3","4","1") = "6"
    & skf21("7","5","7","6","4","3","5","1") = "6"
    & skf21("7","5","7","6","4","3","6","1") = "6"
    & skf21("7","5","7","6","4","3","7","1") = "6"
    & skf21("7","5","7","6","4","4","1","1") = "6"
    & skf21("7","5","7","6","4","4","2","1") = "6"
    & skf21("7","5","7","6","4","4","3","1") = "6"
    & skf21("7","5","7","6","4","4","4","1") = "6"
    & skf21("7","5","7","6","4","4","5","1") = "6"
    & skf21("7","5","7","6","4","4","6","1") = "6"
    & skf21("7","5","7","6","4","4","7","1") = "6"
    & skf21("7","5","7","6","4","5","1","1") = "6"
    & skf21("7","5","7","6","4","5","2","1") = "6"
    & skf21("7","5","7","6","4","5","3","1") = "6"
    & skf21("7","5","7","6","4","5","4","1") = "6"
    & skf21("7","5","7","6","4","5","5","1") = "6"
    & skf21("7","5","7","6","4","5","6","1") = "6"
    & skf21("7","5","7","6","4","5","7","1") = "6"
    & skf21("7","5","7","6","4","6","1","1") = "6"
    & skf21("7","5","7","6","4","6","2","1") = "6"
    & skf21("7","5","7","6","4","6","3","1") = "6"
    & skf21("7","5","7","6","4","6","4","1") = "6"
    & skf21("7","5","7","6","4","6","5","1") = "6"
    & skf21("7","5","7","6","4","6","6","1") = "6"
    & skf21("7","5","7","6","4","6","7","1") = "6"
    & skf21("7","5","7","6","4","7","1","1") = "6"
    & skf21("7","5","7","6","4","7","2","1") = "6"
    & skf21("7","5","7","6","4","7","3","1") = "6"
    & skf21("7","5","7","6","4","7","4","1") = "6"
    & skf21("7","5","7","6","4","7","5","1") = "6"
    & skf21("7","5","7","6","4","7","6","1") = "6"
    & skf21("7","5","7","6","4","7","7","1") = "6"
    & skf21("7","5","7","6","5","1","1","1") = "6"
    & skf21("7","5","7","6","5","1","2","1") = "6"
    & skf21("7","5","7","6","5","1","3","1") = "6"
    & skf21("7","5","7","6","5","1","4","1") = "6"
    & skf21("7","5","7","6","5","1","5","1") = "6"
    & skf21("7","5","7","6","5","1","6","1") = "6"
    & skf21("7","5","7","6","5","1","7","1") = "6"
    & skf21("7","5","7","6","5","2","1","1") = "6"
    & skf21("7","5","7","6","5","2","2","1") = "6"
    & skf21("7","5","7","6","5","2","3","1") = "6"
    & skf21("7","5","7","6","5","2","4","1") = "6"
    & skf21("7","5","7","6","5","2","5","1") = "6"
    & skf21("7","5","7","6","5","2","6","1") = "6"
    & skf21("7","5","7","6","5","2","7","1") = "6"
    & skf21("7","5","7","6","5","3","1","1") = "6"
    & skf21("7","5","7","6","5","3","2","1") = "6"
    & skf21("7","5","7","6","5","3","3","1") = "6"
    & skf21("7","5","7","6","5","3","4","1") = "6"
    & skf21("7","5","7","6","5","3","5","1") = "6"
    & skf21("7","5","7","6","5","3","6","1") = "6"
    & skf21("7","5","7","6","5","3","7","1") = "6"
    & skf21("7","5","7","6","5","4","1","1") = "6"
    & skf21("7","5","7","6","5","4","2","1") = "6"
    & skf21("7","5","7","6","5","4","3","1") = "6"
    & skf21("7","5","7","6","5","4","4","1") = "6"
    & skf21("7","5","7","6","5","4","5","1") = "6"
    & skf21("7","5","7","6","5","4","6","1") = "6"
    & skf21("7","5","7","6","5","4","7","1") = "6"
    & skf21("7","5","7","6","5","5","1","1") = "6"
    & skf21("7","5","7","6","5","5","2","1") = "6"
    & skf21("7","5","7","6","5","5","3","1") = "6"
    & skf21("7","5","7","6","5","5","4","1") = "6"
    & skf21("7","5","7","6","5","5","5","1") = "6"
    & skf21("7","5","7","6","5","5","6","1") = "6"
    & skf21("7","5","7","6","5","5","7","1") = "6"
    & skf21("7","5","7","6","5","6","1","1") = "6"
    & skf21("7","5","7","6","5","6","2","1") = "6"
    & skf21("7","5","7","6","5","6","3","1") = "6"
    & skf21("7","5","7","6","5","6","4","1") = "6"
    & skf21("7","5","7","6","5","6","5","1") = "6"
    & skf21("7","5","7","6","5","6","6","1") = "6"
    & skf21("7","5","7","6","5","6","7","1") = "6"
    & skf21("7","5","7","6","5","7","1","1") = "6"
    & skf21("7","5","7","6","5","7","2","1") = "6"
    & skf21("7","5","7","6","5","7","3","1") = "6"
    & skf21("7","5","7","6","5","7","4","1") = "6"
    & skf21("7","5","7","6","5","7","5","1") = "6"
    & skf21("7","5","7","6","5","7","6","1") = "6"
    & skf21("7","5","7","6","5","7","7","1") = "6"
    & skf21("7","5","7","6","6","1","1","1") = "6"
    & skf21("7","5","7","6","6","1","2","1") = "6"
    & skf21("7","5","7","6","6","1","3","1") = "6"
    & skf21("7","5","7","6","6","1","4","1") = "6"
    & skf21("7","5","7","6","6","1","5","1") = "6"
    & skf21("7","5","7","6","6","1","6","1") = "6"
    & skf21("7","5","7","6","6","1","7","1") = "6"
    & skf21("7","5","7","6","6","2","1","1") = "6"
    & skf21("7","5","7","6","6","2","2","1") = "6"
    & skf21("7","5","7","6","6","2","3","1") = "6"
    & skf21("7","5","7","6","6","2","4","1") = "6"
    & skf21("7","5","7","6","6","2","5","1") = "6"
    & skf21("7","5","7","6","6","2","6","1") = "6"
    & skf21("7","5","7","6","6","2","7","1") = "6"
    & skf21("7","5","7","6","6","3","1","1") = "6"
    & skf21("7","5","7","6","6","3","2","1") = "6"
    & skf21("7","5","7","6","6","3","3","1") = "6"
    & skf21("7","5","7","6","6","3","4","1") = "6"
    & skf21("7","5","7","6","6","3","5","1") = "6"
    & skf21("7","5","7","6","6","3","6","1") = "6"
    & skf21("7","5","7","6","6","3","7","1") = "6"
    & skf21("7","5","7","6","6","4","1","1") = "6"
    & skf21("7","5","7","6","6","4","2","1") = "6"
    & skf21("7","5","7","6","6","4","3","1") = "6"
    & skf21("7","5","7","6","6","4","4","1") = "6"
    & skf21("7","5","7","6","6","4","5","1") = "6"
    & skf21("7","5","7","6","6","4","6","1") = "6"
    & skf21("7","5","7","6","6","4","7","1") = "6"
    & skf21("7","5","7","6","6","5","1","1") = "6"
    & skf21("7","5","7","6","6","5","2","1") = "6"
    & skf21("7","5","7","6","6","5","3","1") = "6"
    & skf21("7","5","7","6","6","5","4","1") = "6"
    & skf21("7","5","7","6","6","5","5","1") = "6"
    & skf21("7","5","7","6","6","5","6","1") = "6"
    & skf21("7","5","7","6","6","5","7","1") = "6"
    & skf21("7","5","7","6","6","6","1","1") = "6"
    & skf21("7","5","7","6","6","6","2","1") = "6"
    & skf21("7","5","7","6","6","6","3","1") = "6"
    & skf21("7","5","7","6","6","6","4","1") = "6"
    & skf21("7","5","7","6","6","6","5","1") = "6"
    & skf21("7","5","7","6","6","6","6","1") = "6"
    & skf21("7","5","7","6","6","6","7","1") = "6"
    & skf21("7","5","7","6","6","7","1","1") = "6"
    & skf21("7","5","7","6","6","7","2","1") = "6"
    & skf21("7","5","7","6","6","7","3","1") = "6"
    & skf21("7","5","7","6","6","7","4","1") = "6"
    & skf21("7","5","7","6","6","7","5","1") = "6"
    & skf21("7","5","7","6","6","7","6","1") = "6"
    & skf21("7","5","7","6","6","7","7","1") = "6"
    & skf21("7","5","7","6","7","1","1","1") = "6"
    & skf21("7","5","7","6","7","1","2","1") = "6"
    & skf21("7","5","7","6","7","1","3","1") = "6"
    & skf21("7","5","7","6","7","1","4","1") = "6"
    & skf21("7","5","7","6","7","1","5","1") = "6"
    & skf21("7","5","7","6","7","1","6","1") = "6"
    & skf21("7","5","7","6","7","1","7","1") = "6"
    & skf21("7","5","7","6","7","2","1","1") = "6"
    & skf21("7","5","7","6","7","2","2","1") = "6"
    & skf21("7","5","7","6","7","2","3","1") = "6"
    & skf21("7","5","7","6","7","2","4","1") = "6"
    & skf21("7","5","7","6","7","2","5","1") = "6"
    & skf21("7","5","7","6","7","2","6","1") = "6"
    & skf21("7","5","7","6","7","2","7","1") = "6"
    & skf21("7","5","7","6","7","3","1","1") = "6"
    & skf21("7","5","7","6","7","3","2","1") = "6"
    & skf21("7","5","7","6","7","3","3","1") = "6"
    & skf21("7","5","7","6","7","3","4","1") = "6"
    & skf21("7","5","7","6","7","3","5","1") = "6"
    & skf21("7","5","7","6","7","3","6","1") = "6"
    & skf21("7","5","7","6","7","3","7","1") = "6"
    & skf21("7","5","7","6","7","4","1","1") = "6"
    & skf21("7","5","7","6","7","4","2","1") = "6"
    & skf21("7","5","7","6","7","4","3","1") = "6"
    & skf21("7","5","7","6","7","4","4","1") = "6"
    & skf21("7","5","7","6","7","4","5","1") = "6"
    & skf21("7","5","7","6","7","4","6","1") = "6"
    & skf21("7","5","7","6","7","4","7","1") = "6"
    & skf21("7","5","7","6","7","5","1","1") = "6"
    & skf21("7","5","7","6","7","5","2","1") = "6"
    & skf21("7","5","7","6","7","5","3","1") = "6"
    & skf21("7","5","7","6","7","5","4","1") = "6"
    & skf21("7","5","7","6","7","5","5","1") = "6"
    & skf21("7","5","7","6","7","5","6","1") = "6"
    & skf21("7","5","7","6","7","5","7","1") = "6"
    & skf21("7","5","7","6","7","6","1","1") = "6"
    & skf21("7","5","7","6","7","6","2","1") = "6"
    & skf21("7","5","7","6","7","6","3","1") = "6"
    & skf21("7","5","7","6","7","6","4","1") = "6"
    & skf21("7","5","7","6","7","6","5","1") = "6"
    & skf21("7","5","7","6","7","6","6","1") = "6"
    & skf21("7","5","7","6","7","6","7","1") = "6"
    & skf21("7","5","7","6","7","7","1","1") = "6"
    & skf21("7","5","7","6","7","7","2","1") = "6"
    & skf21("7","5","7","6","7","7","3","1") = "6"
    & skf21("7","5","7","6","7","7","4","1") = "6"
    & skf21("7","5","7","6","7","7","5","1") = "6"
    & skf21("7","5","7","6","7","7","6","1") = "6"
    & skf21("7","5","7","6","7","7","7","1") = "6"
    & skf21("7","5","7","7","1","1","1","1") = "6"
    & skf21("7","5","7","7","1","1","2","1") = "6"
    & skf21("7","5","7","7","1","1","3","1") = "6"
    & skf21("7","5","7","7","1","1","4","1") = "6"
    & skf21("7","5","7","7","1","1","5","1") = "6"
    & skf21("7","5","7","7","1","1","6","1") = "6"
    & skf21("7","5","7","7","1","1","7","1") = "6"
    & skf21("7","5","7","7","1","2","1","1") = "6"
    & skf21("7","5","7","7","1","2","2","1") = "6"
    & skf21("7","5","7","7","1","2","3","1") = "6"
    & skf21("7","5","7","7","1","2","4","1") = "6"
    & skf21("7","5","7","7","1","2","5","1") = "6"
    & skf21("7","5","7","7","1","2","6","1") = "6"
    & skf21("7","5","7","7","1","2","7","1") = "6"
    & skf21("7","5","7","7","1","3","1","1") = "6"
    & skf21("7","5","7","7","1","3","2","1") = "6"
    & skf21("7","5","7","7","1","3","3","1") = "6"
    & skf21("7","5","7","7","1","3","4","1") = "6"
    & skf21("7","5","7","7","1","3","5","1") = "6"
    & skf21("7","5","7","7","1","3","6","1") = "6"
    & skf21("7","5","7","7","1","3","7","1") = "6"
    & skf21("7","5","7","7","1","4","1","1") = "6"
    & skf21("7","5","7","7","1","4","2","1") = "6"
    & skf21("7","5","7","7","1","4","3","1") = "6"
    & skf21("7","5","7","7","1","4","4","1") = "6"
    & skf21("7","5","7","7","1","4","5","1") = "6"
    & skf21("7","5","7","7","1","4","6","1") = "6"
    & skf21("7","5","7","7","1","4","7","1") = "6"
    & skf21("7","5","7","7","1","5","1","1") = "6"
    & skf21("7","5","7","7","1","5","2","1") = "6"
    & skf21("7","5","7","7","1","5","3","1") = "6"
    & skf21("7","5","7","7","1","5","4","1") = "6"
    & skf21("7","5","7","7","1","5","5","1") = "6"
    & skf21("7","5","7","7","1","5","6","1") = "6"
    & skf21("7","5","7","7","1","5","7","1") = "6"
    & skf21("7","5","7","7","1","6","1","1") = "6"
    & skf21("7","5","7","7","1","6","2","1") = "6"
    & skf21("7","5","7","7","1","6","3","1") = "6"
    & skf21("7","5","7","7","1","6","4","1") = "6"
    & skf21("7","5","7","7","1","6","5","1") = "6"
    & skf21("7","5","7","7","1","6","6","1") = "6"
    & skf21("7","5","7","7","1","6","7","1") = "6"
    & skf21("7","5","7","7","1","7","1","1") = "6"
    & skf21("7","5","7","7","1","7","2","1") = "6"
    & skf21("7","5","7","7","1","7","3","1") = "6"
    & skf21("7","5","7","7","1","7","4","1") = "6"
    & skf21("7","5","7","7","1","7","5","1") = "6"
    & skf21("7","5","7","7","1","7","6","1") = "6"
    & skf21("7","5","7","7","1","7","7","1") = "6"
    & skf21("7","5","7","7","2","1","1","1") = "6"
    & skf21("7","5","7","7","2","1","2","1") = "6"
    & skf21("7","5","7","7","2","1","3","1") = "6"
    & skf21("7","5","7","7","2","1","4","1") = "6"
    & skf21("7","5","7","7","2","1","5","1") = "6"
    & skf21("7","5","7","7","2","1","6","1") = "6"
    & skf21("7","5","7","7","2","1","7","1") = "6"
    & skf21("7","5","7","7","2","2","1","1") = "6"
    & skf21("7","5","7","7","2","2","2","1") = "6"
    & skf21("7","5","7","7","2","2","3","1") = "6"
    & skf21("7","5","7","7","2","2","4","1") = "6"
    & skf21("7","5","7","7","2","2","5","1") = "6"
    & skf21("7","5","7","7","2","2","6","1") = "6"
    & skf21("7","5","7","7","2","2","7","1") = "6"
    & skf21("7","5","7","7","2","3","1","1") = "6"
    & skf21("7","5","7","7","2","3","2","1") = "6"
    & skf21("7","5","7","7","2","3","3","1") = "6"
    & skf21("7","5","7","7","2","3","4","1") = "6"
    & skf21("7","5","7","7","2","3","5","1") = "6"
    & skf21("7","5","7","7","2","3","6","1") = "6"
    & skf21("7","5","7","7","2","3","7","1") = "6"
    & skf21("7","5","7","7","2","4","1","1") = "6"
    & skf21("7","5","7","7","2","4","2","1") = "6"
    & skf21("7","5","7","7","2","4","3","1") = "6"
    & skf21("7","5","7","7","2","4","4","1") = "6"
    & skf21("7","5","7","7","2","4","5","1") = "6"
    & skf21("7","5","7","7","2","4","6","1") = "6"
    & skf21("7","5","7","7","2","4","7","1") = "6"
    & skf21("7","5","7","7","2","5","1","1") = "6"
    & skf21("7","5","7","7","2","5","2","1") = "6"
    & skf21("7","5","7","7","2","5","3","1") = "6"
    & skf21("7","5","7","7","2","5","4","1") = "6"
    & skf21("7","5","7","7","2","5","5","1") = "6"
    & skf21("7","5","7","7","2","5","6","1") = "6"
    & skf21("7","5","7","7","2","5","7","1") = "6"
    & skf21("7","5","7","7","2","6","1","1") = "6"
    & skf21("7","5","7","7","2","6","2","1") = "6"
    & skf21("7","5","7","7","2","6","3","1") = "6"
    & skf21("7","5","7","7","2","6","4","1") = "6"
    & skf21("7","5","7","7","2","6","5","1") = "6"
    & skf21("7","5","7","7","2","6","6","1") = "6"
    & skf21("7","5","7","7","2","6","7","1") = "6"
    & skf21("7","5","7","7","2","7","1","1") = "6"
    & skf21("7","5","7","7","2","7","2","1") = "6"
    & skf21("7","5","7","7","2","7","3","1") = "6"
    & skf21("7","5","7","7","2","7","4","1") = "6"
    & skf21("7","5","7","7","2","7","5","1") = "6"
    & skf21("7","5","7","7","2","7","6","1") = "6"
    & skf21("7","5","7","7","2","7","7","1") = "6"
    & skf21("7","5","7","7","3","1","1","1") = "6"
    & skf21("7","5","7","7","3","1","2","1") = "6"
    & skf21("7","5","7","7","3","1","3","1") = "6"
    & skf21("7","5","7","7","3","1","4","1") = "6"
    & skf21("7","5","7","7","3","1","5","1") = "6"
    & skf21("7","5","7","7","3","1","6","1") = "6"
    & skf21("7","5","7","7","3","1","7","1") = "6"
    & skf21("7","5","7","7","3","2","1","1") = "6"
    & skf21("7","5","7","7","3","2","2","1") = "6"
    & skf21("7","5","7","7","3","2","3","1") = "6"
    & skf21("7","5","7","7","3","2","4","1") = "6"
    & skf21("7","5","7","7","3","2","5","1") = "6"
    & skf21("7","5","7","7","3","2","6","1") = "6"
    & skf21("7","5","7","7","3","2","7","1") = "6"
    & skf21("7","5","7","7","3","3","1","1") = "6"
    & skf21("7","5","7","7","3","3","2","1") = "6"
    & skf21("7","5","7","7","3","3","3","1") = "6"
    & skf21("7","5","7","7","3","3","4","1") = "6"
    & skf21("7","5","7","7","3","3","5","1") = "6"
    & skf21("7","5","7","7","3","3","6","1") = "6"
    & skf21("7","5","7","7","3","3","7","1") = "6"
    & skf21("7","5","7","7","3","4","1","1") = "6"
    & skf21("7","5","7","7","3","4","2","1") = "6"
    & skf21("7","5","7","7","3","4","3","1") = "6"
    & skf21("7","5","7","7","3","4","4","1") = "6"
    & skf21("7","5","7","7","3","4","5","1") = "6"
    & skf21("7","5","7","7","3","4","6","1") = "6"
    & skf21("7","5","7","7","3","4","7","1") = "6"
    & skf21("7","5","7","7","3","5","1","1") = "6"
    & skf21("7","5","7","7","3","5","2","1") = "6"
    & skf21("7","5","7","7","3","5","3","1") = "6"
    & skf21("7","5","7","7","3","5","4","1") = "6"
    & skf21("7","5","7","7","3","5","5","1") = "6"
    & skf21("7","5","7","7","3","5","6","1") = "6"
    & skf21("7","5","7","7","3","5","7","1") = "6"
    & skf21("7","5","7","7","3","6","1","1") = "6"
    & skf21("7","5","7","7","3","6","2","1") = "6"
    & skf21("7","5","7","7","3","6","3","1") = "6"
    & skf21("7","5","7","7","3","6","4","1") = "6"
    & skf21("7","5","7","7","3","6","5","1") = "6"
    & skf21("7","5","7","7","3","6","6","1") = "6"
    & skf21("7","5","7","7","3","6","7","1") = "6"
    & skf21("7","5","7","7","3","7","1","1") = "6"
    & skf21("7","5","7","7","3","7","2","1") = "6"
    & skf21("7","5","7","7","3","7","3","1") = "6"
    & skf21("7","5","7","7","3","7","4","1") = "6"
    & skf21("7","5","7","7","3","7","5","1") = "6"
    & skf21("7","5","7","7","3","7","6","1") = "6"
    & skf21("7","5","7","7","3","7","7","1") = "6"
    & skf21("7","5","7","7","4","1","1","1") = "6"
    & skf21("7","5","7","7","4","1","2","1") = "6"
    & skf21("7","5","7","7","4","1","3","1") = "6"
    & skf21("7","5","7","7","4","1","4","1") = "6"
    & skf21("7","5","7","7","4","1","5","1") = "6"
    & skf21("7","5","7","7","4","1","6","1") = "6"
    & skf21("7","5","7","7","4","1","7","1") = "6"
    & skf21("7","5","7","7","4","2","1","1") = "6"
    & skf21("7","5","7","7","4","2","2","1") = "6"
    & skf21("7","5","7","7","4","2","3","1") = "6"
    & skf21("7","5","7","7","4","2","4","1") = "6"
    & skf21("7","5","7","7","4","2","5","1") = "6"
    & skf21("7","5","7","7","4","2","6","1") = "6"
    & skf21("7","5","7","7","4","2","7","1") = "6"
    & skf21("7","5","7","7","4","3","1","1") = "6"
    & skf21("7","5","7","7","4","3","2","1") = "6"
    & skf21("7","5","7","7","4","3","3","1") = "6"
    & skf21("7","5","7","7","4","3","4","1") = "6"
    & skf21("7","5","7","7","4","3","5","1") = "6"
    & skf21("7","5","7","7","4","3","6","1") = "6"
    & skf21("7","5","7","7","4","3","7","1") = "6"
    & skf21("7","5","7","7","4","4","1","1") = "6"
    & skf21("7","5","7","7","4","4","2","1") = "6"
    & skf21("7","5","7","7","4","4","3","1") = "6"
    & skf21("7","5","7","7","4","4","4","1") = "6"
    & skf21("7","5","7","7","4","4","5","1") = "6"
    & skf21("7","5","7","7","4","4","6","1") = "6"
    & skf21("7","5","7","7","4","4","7","1") = "6"
    & skf21("7","5","7","7","4","5","1","1") = "6"
    & skf21("7","5","7","7","4","5","2","1") = "6"
    & skf21("7","5","7","7","4","5","3","1") = "6"
    & skf21("7","5","7","7","4","5","4","1") = "6"
    & skf21("7","5","7","7","4","5","5","1") = "6"
    & skf21("7","5","7","7","4","5","6","1") = "6"
    & skf21("7","5","7","7","4","5","7","1") = "6"
    & skf21("7","5","7","7","4","6","1","1") = "6"
    & skf21("7","5","7","7","4","6","2","1") = "6"
    & skf21("7","5","7","7","4","6","3","1") = "6"
    & skf21("7","5","7","7","4","6","4","1") = "6"
    & skf21("7","5","7","7","4","6","5","1") = "6"
    & skf21("7","5","7","7","4","6","6","1") = "6"
    & skf21("7","5","7","7","4","6","7","1") = "6"
    & skf21("7","5","7","7","4","7","1","1") = "6"
    & skf21("7","5","7","7","4","7","2","1") = "6"
    & skf21("7","5","7","7","4","7","3","1") = "6"
    & skf21("7","5","7","7","4","7","4","1") = "6"
    & skf21("7","5","7","7","4","7","5","1") = "6"
    & skf21("7","5","7","7","4","7","6","1") = "6"
    & skf21("7","5","7","7","4","7","7","1") = "6"
    & skf21("7","5","7","7","5","1","1","1") = "6"
    & skf21("7","5","7","7","5","1","2","1") = "6"
    & skf21("7","5","7","7","5","1","3","1") = "6"
    & skf21("7","5","7","7","5","1","4","1") = "6"
    & skf21("7","5","7","7","5","1","5","1") = "6"
    & skf21("7","5","7","7","5","1","6","1") = "6"
    & skf21("7","5","7","7","5","1","7","1") = "6"
    & skf21("7","5","7","7","5","2","1","1") = "6"
    & skf21("7","5","7","7","5","2","2","1") = "6"
    & skf21("7","5","7","7","5","2","3","1") = "6"
    & skf21("7","5","7","7","5","2","4","1") = "6"
    & skf21("7","5","7","7","5","2","5","1") = "6"
    & skf21("7","5","7","7","5","2","6","1") = "6"
    & skf21("7","5","7","7","5","2","7","1") = "6"
    & skf21("7","5","7","7","5","3","1","1") = "6"
    & skf21("7","5","7","7","5","3","2","1") = "6"
    & skf21("7","5","7","7","5","3","3","1") = "6"
    & skf21("7","5","7","7","5","3","4","1") = "6"
    & skf21("7","5","7","7","5","3","5","1") = "6"
    & skf21("7","5","7","7","5","3","6","1") = "6"
    & skf21("7","5","7","7","5","3","7","1") = "6"
    & skf21("7","5","7","7","5","4","1","1") = "6"
    & skf21("7","5","7","7","5","4","2","1") = "6"
    & skf21("7","5","7","7","5","4","3","1") = "6"
    & skf21("7","5","7","7","5","4","4","1") = "6"
    & skf21("7","5","7","7","5","4","5","1") = "6"
    & skf21("7","5","7","7","5","4","6","1") = "6"
    & skf21("7","5","7","7","5","4","7","1") = "6"
    & skf21("7","5","7","7","5","5","1","1") = "6"
    & skf21("7","5","7","7","5","5","2","1") = "6"
    & skf21("7","5","7","7","5","5","3","1") = "6"
    & skf21("7","5","7","7","5","5","4","1") = "6"
    & skf21("7","5","7","7","5","5","5","1") = "6"
    & skf21("7","5","7","7","5","5","6","1") = "6"
    & skf21("7","5","7","7","5","5","7","1") = "6"
    & skf21("7","5","7","7","5","6","1","1") = "6"
    & skf21("7","5","7","7","5","6","2","1") = "6"
    & skf21("7","5","7","7","5","6","3","1") = "6"
    & skf21("7","5","7","7","5","6","4","1") = "6"
    & skf21("7","5","7","7","5","6","5","1") = "6"
    & skf21("7","5","7","7","5","6","6","1") = "6"
    & skf21("7","5","7","7","5","6","7","1") = "6"
    & skf21("7","5","7","7","5","7","1","1") = "6"
    & skf21("7","5","7","7","5","7","2","1") = "6"
    & skf21("7","5","7","7","5","7","3","1") = "6"
    & skf21("7","5","7","7","5","7","4","1") = "6"
    & skf21("7","5","7","7","5","7","5","1") = "6"
    & skf21("7","5","7","7","5","7","6","1") = "6"
    & skf21("7","5","7","7","5","7","7","1") = "6"
    & skf21("7","5","7","7","6","1","1","1") = "6"
    & skf21("7","5","7","7","6","1","2","1") = "6"
    & skf21("7","5","7","7","6","1","3","1") = "6"
    & skf21("7","5","7","7","6","1","4","1") = "6"
    & skf21("7","5","7","7","6","1","5","1") = "6"
    & skf21("7","5","7","7","6","1","6","1") = "6"
    & skf21("7","5","7","7","6","1","7","1") = "6"
    & skf21("7","5","7","7","6","2","1","1") = "6"
    & skf21("7","5","7","7","6","2","2","1") = "6"
    & skf21("7","5","7","7","6","2","3","1") = "6"
    & skf21("7","5","7","7","6","2","4","1") = "6"
    & skf21("7","5","7","7","6","2","5","1") = "6"
    & skf21("7","5","7","7","6","2","6","1") = "6"
    & skf21("7","5","7","7","6","2","7","1") = "6"
    & skf21("7","5","7","7","6","3","1","1") = "6"
    & skf21("7","5","7","7","6","3","2","1") = "6"
    & skf21("7","5","7","7","6","3","3","1") = "6"
    & skf21("7","5","7","7","6","3","4","1") = "6"
    & skf21("7","5","7","7","6","3","5","1") = "6"
    & skf21("7","5","7","7","6","3","6","1") = "6"
    & skf21("7","5","7","7","6","3","7","1") = "6"
    & skf21("7","5","7","7","6","4","1","1") = "6"
    & skf21("7","5","7","7","6","4","2","1") = "6"
    & skf21("7","5","7","7","6","4","3","1") = "6"
    & skf21("7","5","7","7","6","4","4","1") = "6"
    & skf21("7","5","7","7","6","4","5","1") = "6"
    & skf21("7","5","7","7","6","4","6","1") = "6"
    & skf21("7","5","7","7","6","4","7","1") = "6"
    & skf21("7","5","7","7","6","5","1","1") = "6"
    & skf21("7","5","7","7","6","5","2","1") = "6"
    & skf21("7","5","7","7","6","5","3","1") = "6"
    & skf21("7","5","7","7","6","5","4","1") = "6"
    & skf21("7","5","7","7","6","5","5","1") = "6"
    & skf21("7","5","7","7","6","5","6","1") = "6"
    & skf21("7","5","7","7","6","5","7","1") = "6"
    & skf21("7","5","7","7","6","6","1","1") = "6"
    & skf21("7","5","7","7","6","6","2","1") = "6"
    & skf21("7","5","7","7","6","6","3","1") = "6"
    & skf21("7","5","7","7","6","6","4","1") = "6"
    & skf21("7","5","7","7","6","6","5","1") = "6"
    & skf21("7","5","7","7","6","6","6","1") = "6"
    & skf21("7","5","7","7","6","6","7","1") = "6"
    & skf21("7","5","7","7","6","7","1","1") = "6"
    & skf21("7","5","7","7","6","7","2","1") = "6"
    & skf21("7","5","7","7","6","7","3","1") = "6"
    & skf21("7","5","7","7","6","7","4","1") = "6"
    & skf21("7","5","7","7","6","7","5","1") = "6"
    & skf21("7","5","7","7","6","7","6","1") = "6"
    & skf21("7","5","7","7","6","7","7","1") = "6"
    & skf21("7","5","7","7","7","1","1","1") = "6"
    & skf21("7","5","7","7","7","1","2","1") = "6"
    & skf21("7","5","7","7","7","1","3","1") = "6"
    & skf21("7","5","7","7","7","1","4","1") = "6"
    & skf21("7","5","7","7","7","1","5","1") = "6"
    & skf21("7","5","7","7","7","1","6","1") = "6"
    & skf21("7","5","7","7","7","1","7","1") = "6"
    & skf21("7","5","7","7","7","2","1","1") = "6"
    & skf21("7","5","7","7","7","2","2","1") = "6"
    & skf21("7","5","7","7","7","2","3","1") = "6"
    & skf21("7","5","7","7","7","2","4","1") = "6"
    & skf21("7","5","7","7","7","2","5","1") = "6"
    & skf21("7","5","7","7","7","2","6","1") = "6"
    & skf21("7","5","7","7","7","2","7","1") = "6"
    & skf21("7","5","7","7","7","3","1","1") = "6"
    & skf21("7","5","7","7","7","3","2","1") = "6"
    & skf21("7","5","7","7","7","3","3","1") = "6"
    & skf21("7","5","7","7","7","3","4","1") = "6"
    & skf21("7","5","7","7","7","3","5","1") = "6"
    & skf21("7","5","7","7","7","3","6","1") = "6"
    & skf21("7","5","7","7","7","3","7","1") = "6"
    & skf21("7","5","7","7","7","4","1","1") = "6"
    & skf21("7","5","7","7","7","4","2","1") = "6"
    & skf21("7","5","7","7","7","4","3","1") = "6"
    & skf21("7","5","7","7","7","4","4","1") = "6"
    & skf21("7","5","7","7","7","4","5","1") = "6"
    & skf21("7","5","7","7","7","4","6","1") = "6"
    & skf21("7","5","7","7","7","4","7","1") = "6"
    & skf21("7","5","7","7","7","5","1","1") = "6"
    & skf21("7","5","7","7","7","5","2","1") = "6"
    & skf21("7","5","7","7","7","5","3","1") = "6"
    & skf21("7","5","7","7","7","5","4","1") = "6"
    & skf21("7","5","7","7","7","5","5","1") = "6"
    & skf21("7","5","7","7","7","5","6","1") = "6"
    & skf21("7","5","7","7","7","5","7","1") = "6"
    & skf21("7","5","7","7","7","6","1","1") = "6"
    & skf21("7","5","7","7","7","6","2","1") = "6"
    & skf21("7","5","7","7","7","6","3","1") = "6"
    & skf21("7","5","7","7","7","6","4","1") = "6"
    & skf21("7","5","7","7","7","6","5","1") = "6"
    & skf21("7","5","7","7","7","6","6","1") = "6"
    & skf21("7","5","7","7","7","6","7","1") = "6"
    & skf21("7","5","7","7","7","7","1","1") = "6"
    & skf21("7","5","7","7","7","7","2","1") = "6"
    & skf21("7","5","7","7","7","7","3","1") = "6"
    & skf21("7","5","7","7","7","7","4","1") = "6"
    & skf21("7","5","7","7","7","7","5","1") = "6"
    & skf21("7","5","7","7","7","7","6","1") = "6"
    & skf21("7","5","7","7","7","7","7","1") = "6"
    & skf21("7","6","1","1","1","1","1","1") = "6"
    & skf21("7","6","1","1","1","1","2","1") = "6"
    & skf21("7","6","1","1","1","1","3","1") = "6"
    & skf21("7","6","1","1","1","1","4","1") = "6"
    & skf21("7","6","1","1","1","1","5","1") = "6"
    & skf21("7","6","1","1","1","1","6","1") = "6"
    & skf21("7","6","1","1","1","1","7","1") = "6"
    & skf21("7","6","1","1","1","2","1","1") = "6"
    & skf21("7","6","1","1","1","2","2","1") = "6"
    & skf21("7","6","1","1","1","2","3","1") = "6"
    & skf21("7","6","1","1","1","2","4","1") = "6"
    & skf21("7","6","1","1","1","2","5","1") = "6"
    & skf21("7","6","1","1","1","2","6","1") = "6"
    & skf21("7","6","1","1","1","2","7","1") = "6"
    & skf21("7","6","1","1","1","3","1","1") = "6"
    & skf21("7","6","1","1","1","3","2","1") = "6"
    & skf21("7","6","1","1","1","3","3","1") = "6"
    & skf21("7","6","1","1","1","3","4","1") = "6"
    & skf21("7","6","1","1","1","3","5","1") = "6"
    & skf21("7","6","1","1","1","3","6","1") = "6"
    & skf21("7","6","1","1","1","3","7","1") = "6"
    & skf21("7","6","1","1","1","4","1","1") = "6"
    & skf21("7","6","1","1","1","4","2","1") = "6"
    & skf21("7","6","1","1","1","4","3","1") = "6"
    & skf21("7","6","1","1","1","4","4","1") = "6"
    & skf21("7","6","1","1","1","4","5","1") = "6"
    & skf21("7","6","1","1","1","4","6","1") = "6"
    & skf21("7","6","1","1","1","4","7","1") = "6"
    & skf21("7","6","1","1","1","5","1","1") = "6"
    & skf21("7","6","1","1","1","5","2","1") = "6"
    & skf21("7","6","1","1","1","5","3","1") = "6"
    & skf21("7","6","1","1","1","5","4","1") = "6"
    & skf21("7","6","1","1","1","5","5","1") = "6"
    & skf21("7","6","1","1","1","5","6","1") = "6"
    & skf21("7","6","1","1","1","5","7","1") = "6"
    & skf21("7","6","1","1","1","6","1","1") = "6"
    & skf21("7","6","1","1","1","6","2","1") = "6"
    & skf21("7","6","1","1","1","6","3","1") = "6"
    & skf21("7","6","1","1","1","6","4","1") = "6"
    & skf21("7","6","1","1","1","6","5","1") = "6"
    & skf21("7","6","1","1","1","6","6","1") = "6"
    & skf21("7","6","1","1","1","6","7","1") = "6"
    & skf21("7","6","1","1","1","7","1","1") = "6"
    & skf21("7","6","1","1","1","7","2","1") = "6"
    & skf21("7","6","1","1","1","7","3","1") = "6"
    & skf21("7","6","1","1","1","7","4","1") = "6"
    & skf21("7","6","1","1","1","7","5","1") = "6"
    & skf21("7","6","1","1","1","7","6","1") = "6"
    & skf21("7","6","1","1","1","7","7","1") = "6"
    & skf21("7","6","1","1","2","1","1","1") = "6"
    & skf21("7","6","1","1","2","1","2","1") = "6"
    & skf21("7","6","1","1","2","1","3","1") = "6"
    & skf21("7","6","1","1","2","1","4","1") = "6"
    & skf21("7","6","1","1","2","1","5","1") = "6"
    & skf21("7","6","1","1","2","1","6","1") = "6"
    & skf21("7","6","1","1","2","1","7","1") = "6"
    & skf21("7","6","1","1","2","2","1","1") = "6"
    & skf21("7","6","1","1","2","2","2","1") = "6"
    & skf21("7","6","1","1","2","2","3","1") = "6"
    & skf21("7","6","1","1","2","2","4","1") = "6"
    & skf21("7","6","1","1","2","2","5","1") = "6"
    & skf21("7","6","1","1","2","2","6","1") = "6"
    & skf21("7","6","1","1","2","2","7","1") = "6"
    & skf21("7","6","1","1","2","3","1","1") = "6"
    & skf21("7","6","1","1","2","3","2","1") = "6"
    & skf21("7","6","1","1","2","3","3","1") = "6"
    & skf21("7","6","1","1","2","3","4","1") = "6"
    & skf21("7","6","1","1","2","3","5","1") = "6"
    & skf21("7","6","1","1","2","3","6","1") = "6"
    & skf21("7","6","1","1","2","3","7","1") = "6"
    & skf21("7","6","1","1","2","4","1","1") = "6"
    & skf21("7","6","1","1","2","4","2","1") = "6"
    & skf21("7","6","1","1","2","4","3","1") = "6"
    & skf21("7","6","1","1","2","4","4","1") = "6"
    & skf21("7","6","1","1","2","4","5","1") = "6"
    & skf21("7","6","1","1","2","4","6","1") = "6"
    & skf21("7","6","1","1","2","4","7","1") = "6"
    & skf21("7","6","1","1","2","5","1","1") = "6"
    & skf21("7","6","1","1","2","5","2","1") = "6"
    & skf21("7","6","1","1","2","5","3","1") = "6"
    & skf21("7","6","1","1","2","5","4","1") = "6"
    & skf21("7","6","1","1","2","5","5","1") = "6"
    & skf21("7","6","1","1","2","5","6","1") = "6"
    & skf21("7","6","1","1","2","5","7","1") = "6"
    & skf21("7","6","1","1","2","6","1","1") = "6"
    & skf21("7","6","1","1","2","6","2","1") = "6"
    & skf21("7","6","1","1","2","6","3","1") = "6"
    & skf21("7","6","1","1","2","6","4","1") = "6"
    & skf21("7","6","1","1","2","6","5","1") = "6"
    & skf21("7","6","1","1","2","6","6","1") = "6"
    & skf21("7","6","1","1","2","6","7","1") = "6"
    & skf21("7","6","1","1","2","7","1","1") = "6"
    & skf21("7","6","1","1","2","7","2","1") = "6"
    & skf21("7","6","1","1","2","7","3","1") = "6"
    & skf21("7","6","1","1","2","7","4","1") = "6"
    & skf21("7","6","1","1","2","7","5","1") = "6"
    & skf21("7","6","1","1","2","7","6","1") = "6"
    & skf21("7","6","1","1","2","7","7","1") = "6"
    & skf21("7","6","1","1","3","1","1","1") = "6"
    & skf21("7","6","1","1","3","1","2","1") = "6"
    & skf21("7","6","1","1","3","1","3","1") = "6"
    & skf21("7","6","1","1","3","1","4","1") = "6"
    & skf21("7","6","1","1","3","1","5","1") = "6"
    & skf21("7","6","1","1","3","1","6","1") = "6"
    & skf21("7","6","1","1","3","1","7","1") = "6"
    & skf21("7","6","1","1","3","2","1","1") = "6"
    & skf21("7","6","1","1","3","2","2","1") = "6"
    & skf21("7","6","1","1","3","2","3","1") = "6"
    & skf21("7","6","1","1","3","2","4","1") = "6"
    & skf21("7","6","1","1","3","2","5","1") = "6"
    & skf21("7","6","1","1","3","2","6","1") = "6"
    & skf21("7","6","1","1","3","2","7","1") = "6"
    & skf21("7","6","1","1","3","3","1","1") = "6"
    & skf21("7","6","1","1","3","3","2","1") = "6"
    & skf21("7","6","1","1","3","3","3","1") = "6"
    & skf21("7","6","1","1","3","3","4","1") = "6"
    & skf21("7","6","1","1","3","3","5","1") = "6"
    & skf21("7","6","1","1","3","3","6","1") = "6"
    & skf21("7","6","1","1","3","3","7","1") = "6"
    & skf21("7","6","1","1","3","4","1","1") = "6"
    & skf21("7","6","1","1","3","4","2","1") = "6"
    & skf21("7","6","1","1","3","4","3","1") = "6"
    & skf21("7","6","1","1","3","4","4","1") = "6"
    & skf21("7","6","1","1","3","4","5","1") = "6"
    & skf21("7","6","1","1","3","4","6","1") = "6"
    & skf21("7","6","1","1","3","4","7","1") = "6"
    & skf21("7","6","1","1","3","5","1","1") = "6"
    & skf21("7","6","1","1","3","5","2","1") = "6"
    & skf21("7","6","1","1","3","5","3","1") = "6"
    & skf21("7","6","1","1","3","5","4","1") = "6"
    & skf21("7","6","1","1","3","5","5","1") = "6"
    & skf21("7","6","1","1","3","5","6","1") = "6"
    & skf21("7","6","1","1","3","5","7","1") = "6"
    & skf21("7","6","1","1","3","6","1","1") = "6"
    & skf21("7","6","1","1","3","6","2","1") = "6"
    & skf21("7","6","1","1","3","6","3","1") = "6"
    & skf21("7","6","1","1","3","6","4","1") = "6"
    & skf21("7","6","1","1","3","6","5","1") = "6"
    & skf21("7","6","1","1","3","6","6","1") = "6"
    & skf21("7","6","1","1","3","6","7","1") = "6"
    & skf21("7","6","1","1","3","7","1","1") = "6"
    & skf21("7","6","1","1","3","7","2","1") = "6"
    & skf21("7","6","1","1","3","7","3","1") = "6"
    & skf21("7","6","1","1","3","7","4","1") = "6"
    & skf21("7","6","1","1","3","7","5","1") = "6"
    & skf21("7","6","1","1","3","7","6","1") = "6"
    & skf21("7","6","1","1","3","7","7","1") = "6"
    & skf21("7","6","1","1","4","1","1","1") = "6"
    & skf21("7","6","1","1","4","1","2","1") = "6"
    & skf21("7","6","1","1","4","1","3","1") = "6"
    & skf21("7","6","1","1","4","1","4","1") = "6"
    & skf21("7","6","1","1","4","1","5","1") = "6"
    & skf21("7","6","1","1","4","1","6","1") = "6"
    & skf21("7","6","1","1","4","1","7","1") = "6"
    & skf21("7","6","1","1","4","2","1","1") = "6"
    & skf21("7","6","1","1","4","2","2","1") = "6"
    & skf21("7","6","1","1","4","2","3","1") = "6"
    & skf21("7","6","1","1","4","2","4","1") = "6"
    & skf21("7","6","1","1","4","2","5","1") = "6"
    & skf21("7","6","1","1","4","2","6","1") = "6"
    & skf21("7","6","1","1","4","2","7","1") = "6"
    & skf21("7","6","1","1","4","3","1","1") = "6"
    & skf21("7","6","1","1","4","3","2","1") = "6"
    & skf21("7","6","1","1","4","3","3","1") = "6"
    & skf21("7","6","1","1","4","3","4","1") = "6"
    & skf21("7","6","1","1","4","3","5","1") = "6"
    & skf21("7","6","1","1","4","3","6","1") = "6"
    & skf21("7","6","1","1","4","3","7","1") = "6"
    & skf21("7","6","1","1","4","4","1","1") = "6"
    & skf21("7","6","1","1","4","4","2","1") = "6"
    & skf21("7","6","1","1","4","4","3","1") = "6"
    & skf21("7","6","1","1","4","4","4","1") = "6"
    & skf21("7","6","1","1","4","4","5","1") = "6"
    & skf21("7","6","1","1","4","4","6","1") = "6"
    & skf21("7","6","1","1","4","4","7","1") = "6"
    & skf21("7","6","1","1","4","5","1","1") = "6"
    & skf21("7","6","1","1","4","5","2","1") = "6"
    & skf21("7","6","1","1","4","5","3","1") = "6"
    & skf21("7","6","1","1","4","5","4","1") = "6"
    & skf21("7","6","1","1","4","5","5","1") = "6"
    & skf21("7","6","1","1","4","5","6","1") = "6"
    & skf21("7","6","1","1","4","5","7","1") = "6"
    & skf21("7","6","1","1","4","6","1","1") = "6"
    & skf21("7","6","1","1","4","6","2","1") = "6"
    & skf21("7","6","1","1","4","6","3","1") = "6"
    & skf21("7","6","1","1","4","6","4","1") = "6"
    & skf21("7","6","1","1","4","6","5","1") = "6"
    & skf21("7","6","1","1","4","6","6","1") = "6"
    & skf21("7","6","1","1","4","6","7","1") = "6"
    & skf21("7","6","1","1","4","7","1","1") = "6"
    & skf21("7","6","1","1","4","7","2","1") = "6"
    & skf21("7","6","1","1","4","7","3","1") = "6"
    & skf21("7","6","1","1","4","7","4","1") = "6"
    & skf21("7","6","1","1","4","7","5","1") = "6"
    & skf21("7","6","1","1","4","7","6","1") = "6"
    & skf21("7","6","1","1","4","7","7","1") = "6"
    & skf21("7","6","1","1","5","1","1","1") = "6"
    & skf21("7","6","1","1","5","1","2","1") = "6"
    & skf21("7","6","1","1","5","1","3","1") = "6"
    & skf21("7","6","1","1","5","1","4","1") = "6"
    & skf21("7","6","1","1","5","1","5","1") = "6"
    & skf21("7","6","1","1","5","1","6","1") = "6"
    & skf21("7","6","1","1","5","1","7","1") = "6"
    & skf21("7","6","1","1","5","2","1","1") = "6"
    & skf21("7","6","1","1","5","2","2","1") = "6"
    & skf21("7","6","1","1","5","2","3","1") = "6"
    & skf21("7","6","1","1","5","2","4","1") = "6"
    & skf21("7","6","1","1","5","2","5","1") = "6"
    & skf21("7","6","1","1","5","2","6","1") = "6"
    & skf21("7","6","1","1","5","2","7","1") = "6"
    & skf21("7","6","1","1","5","3","1","1") = "6"
    & skf21("7","6","1","1","5","3","2","1") = "6"
    & skf21("7","6","1","1","5","3","3","1") = "6"
    & skf21("7","6","1","1","5","3","4","1") = "6"
    & skf21("7","6","1","1","5","3","5","1") = "6"
    & skf21("7","6","1","1","5","3","6","1") = "6"
    & skf21("7","6","1","1","5","3","7","1") = "6"
    & skf21("7","6","1","1","5","4","1","1") = "6"
    & skf21("7","6","1","1","5","4","2","1") = "6"
    & skf21("7","6","1","1","5","4","3","1") = "6"
    & skf21("7","6","1","1","5","4","4","1") = "6"
    & skf21("7","6","1","1","5","4","5","1") = "6"
    & skf21("7","6","1","1","5","4","6","1") = "6"
    & skf21("7","6","1","1","5","4","7","1") = "6"
    & skf21("7","6","1","1","5","5","1","1") = "6"
    & skf21("7","6","1","1","5","5","2","1") = "6"
    & skf21("7","6","1","1","5","5","3","1") = "6"
    & skf21("7","6","1","1","5","5","4","1") = "6"
    & skf21("7","6","1","1","5","5","5","1") = "6"
    & skf21("7","6","1","1","5","5","6","1") = "6"
    & skf21("7","6","1","1","5","5","7","1") = "6"
    & skf21("7","6","1","1","5","6","1","1") = "6"
    & skf21("7","6","1","1","5","6","2","1") = "6"
    & skf21("7","6","1","1","5","6","3","1") = "6"
    & skf21("7","6","1","1","5","6","4","1") = "6"
    & skf21("7","6","1","1","5","6","5","1") = "6"
    & skf21("7","6","1","1","5","6","6","1") = "6"
    & skf21("7","6","1","1","5","6","7","1") = "6"
    & skf21("7","6","1","1","5","7","1","1") = "6"
    & skf21("7","6","1","1","5","7","2","1") = "6"
    & skf21("7","6","1","1","5","7","3","1") = "6"
    & skf21("7","6","1","1","5","7","4","1") = "6"
    & skf21("7","6","1","1","5","7","5","1") = "6"
    & skf21("7","6","1","1","5","7","6","1") = "6"
    & skf21("7","6","1","1","5","7","7","1") = "6"
    & skf21("7","6","1","1","6","1","1","1") = "6"
    & skf21("7","6","1","1","6","1","2","1") = "6"
    & skf21("7","6","1","1","6","1","3","1") = "6"
    & skf21("7","6","1","1","6","1","4","1") = "6"
    & skf21("7","6","1","1","6","1","5","1") = "6"
    & skf21("7","6","1","1","6","1","6","1") = "6"
    & skf21("7","6","1","1","6","1","7","1") = "6"
    & skf21("7","6","1","1","6","2","1","1") = "6"
    & skf21("7","6","1","1","6","2","2","1") = "6"
    & skf21("7","6","1","1","6","2","3","1") = "6"
    & skf21("7","6","1","1","6","2","4","1") = "6"
    & skf21("7","6","1","1","6","2","5","1") = "6"
    & skf21("7","6","1","1","6","2","6","1") = "6"
    & skf21("7","6","1","1","6","2","7","1") = "6"
    & skf21("7","6","1","1","6","3","1","1") = "6"
    & skf21("7","6","1","1","6","3","2","1") = "6"
    & skf21("7","6","1","1","6","3","3","1") = "6"
    & skf21("7","6","1","1","6","3","4","1") = "6"
    & skf21("7","6","1","1","6","3","5","1") = "6"
    & skf21("7","6","1","1","6","3","6","1") = "6"
    & skf21("7","6","1","1","6","3","7","1") = "6"
    & skf21("7","6","1","1","6","4","1","1") = "6"
    & skf21("7","6","1","1","6","4","2","1") = "6"
    & skf21("7","6","1","1","6","4","3","1") = "6"
    & skf21("7","6","1","1","6","4","4","1") = "6"
    & skf21("7","6","1","1","6","4","5","1") = "6"
    & skf21("7","6","1","1","6","4","6","1") = "6"
    & skf21("7","6","1","1","6","4","7","1") = "6"
    & skf21("7","6","1","1","6","5","1","1") = "6"
    & skf21("7","6","1","1","6","5","2","1") = "6"
    & skf21("7","6","1","1","6","5","3","1") = "6"
    & skf21("7","6","1","1","6","5","4","1") = "6"
    & skf21("7","6","1","1","6","5","5","1") = "6"
    & skf21("7","6","1","1","6","5","6","1") = "6"
    & skf21("7","6","1","1","6","5","7","1") = "6"
    & skf21("7","6","1","1","6","6","1","1") = "6"
    & skf21("7","6","1","1","6","6","2","1") = "6"
    & skf21("7","6","1","1","6","6","3","1") = "6"
    & skf21("7","6","1","1","6","6","4","1") = "6"
    & skf21("7","6","1","1","6","6","5","1") = "6"
    & skf21("7","6","1","1","6","6","6","1") = "6"
    & skf21("7","6","1","1","6","6","7","1") = "6"
    & skf21("7","6","1","1","6","7","1","1") = "6"
    & skf21("7","6","1","1","6","7","2","1") = "6"
    & skf21("7","6","1","1","6","7","3","1") = "6"
    & skf21("7","6","1","1","6","7","4","1") = "6"
    & skf21("7","6","1","1","6","7","5","1") = "6"
    & skf21("7","6","1","1","6","7","6","1") = "6"
    & skf21("7","6","1","1","6","7","7","1") = "6"
    & skf21("7","6","1","1","7","1","1","1") = "6"
    & skf21("7","6","1","1","7","1","2","1") = "6"
    & skf21("7","6","1","1","7","1","3","1") = "6"
    & skf21("7","6","1","1","7","1","4","1") = "6"
    & skf21("7","6","1","1","7","1","5","1") = "6"
    & skf21("7","6","1","1","7","1","6","1") = "6"
    & skf21("7","6","1","1","7","1","7","1") = "6"
    & skf21("7","6","1","1","7","2","1","1") = "6"
    & skf21("7","6","1","1","7","2","2","1") = "6"
    & skf21("7","6","1","1","7","2","3","1") = "6"
    & skf21("7","6","1","1","7","2","4","1") = "6"
    & skf21("7","6","1","1","7","2","5","1") = "6"
    & skf21("7","6","1","1","7","2","6","1") = "6"
    & skf21("7","6","1","1","7","2","7","1") = "6"
    & skf21("7","6","1","1","7","3","1","1") = "6"
    & skf21("7","6","1","1","7","3","2","1") = "6"
    & skf21("7","6","1","1","7","3","3","1") = "6"
    & skf21("7","6","1","1","7","3","4","1") = "6"
    & skf21("7","6","1","1","7","3","5","1") = "6"
    & skf21("7","6","1","1","7","3","6","1") = "6"
    & skf21("7","6","1","1","7","3","7","1") = "6"
    & skf21("7","6","1","1","7","4","1","1") = "6"
    & skf21("7","6","1","1","7","4","2","1") = "6"
    & skf21("7","6","1","1","7","4","3","1") = "6"
    & skf21("7","6","1","1","7","4","4","1") = "6"
    & skf21("7","6","1","1","7","4","5","1") = "6"
    & skf21("7","6","1","1","7","4","6","1") = "6"
    & skf21("7","6","1","1","7","4","7","1") = "6"
    & skf21("7","6","1","1","7","5","1","1") = "6"
    & skf21("7","6","1","1","7","5","2","1") = "6"
    & skf21("7","6","1","1","7","5","3","1") = "6"
    & skf21("7","6","1","1","7","5","4","1") = "6"
    & skf21("7","6","1","1","7","5","5","1") = "6"
    & skf21("7","6","1","1","7","5","6","1") = "6"
    & skf21("7","6","1","1","7","5","7","1") = "6"
    & skf21("7","6","1","1","7","6","1","1") = "6"
    & skf21("7","6","1","1","7","6","2","1") = "6"
    & skf21("7","6","1","1","7","6","3","1") = "6"
    & skf21("7","6","1","1","7","6","4","1") = "6"
    & skf21("7","6","1","1","7","6","5","1") = "6"
    & skf21("7","6","1","1","7","6","6","1") = "6"
    & skf21("7","6","1","1","7","6","7","1") = "6"
    & skf21("7","6","1","1","7","7","1","1") = "6"
    & skf21("7","6","1","1","7","7","2","1") = "6"
    & skf21("7","6","1","1","7","7","3","1") = "6"
    & skf21("7","6","1","1","7","7","4","1") = "6"
    & skf21("7","6","1","1","7","7","5","1") = "6"
    & skf21("7","6","1","1","7","7","6","1") = "6"
    & skf21("7","6","1","1","7","7","7","1") = "6"
    & skf21("7","6","1","2","1","1","1","1") = "6"
    & skf21("7","6","1","2","1","1","2","1") = "6"
    & skf21("7","6","1","2","1","1","3","1") = "6"
    & skf21("7","6","1","2","1","1","4","1") = "6"
    & skf21("7","6","1","2","1","1","5","1") = "6"
    & skf21("7","6","1","2","1","1","6","1") = "6"
    & skf21("7","6","1","2","1","1","7","1") = "6"
    & skf21("7","6","1","2","1","2","1","1") = "6"
    & skf21("7","6","1","2","1","2","2","1") = "6"
    & skf21("7","6","1","2","1","2","3","1") = "6"
    & skf21("7","6","1","2","1","2","4","1") = "6"
    & skf21("7","6","1","2","1","2","5","1") = "6"
    & skf21("7","6","1","2","1","2","6","1") = "6"
    & skf21("7","6","1","2","1","2","7","1") = "6"
    & skf21("7","6","1","2","1","3","1","1") = "6"
    & skf21("7","6","1","2","1","3","2","1") = "6"
    & skf21("7","6","1","2","1","3","3","1") = "6"
    & skf21("7","6","1","2","1","3","4","1") = "6"
    & skf21("7","6","1","2","1","3","5","1") = "6"
    & skf21("7","6","1","2","1","3","6","1") = "6"
    & skf21("7","6","1","2","1","3","7","1") = "6"
    & skf21("7","6","1","2","1","4","1","1") = "6"
    & skf21("7","6","1","2","1","4","2","1") = "6"
    & skf21("7","6","1","2","1","4","3","1") = "6"
    & skf21("7","6","1","2","1","4","4","1") = "6"
    & skf21("7","6","1","2","1","4","5","1") = "6"
    & skf21("7","6","1","2","1","4","6","1") = "6"
    & skf21("7","6","1","2","1","4","7","1") = "6"
    & skf21("7","6","1","2","1","5","1","1") = "6"
    & skf21("7","6","1","2","1","5","2","1") = "6"
    & skf21("7","6","1","2","1","5","3","1") = "6"
    & skf21("7","6","1","2","1","5","4","1") = "6"
    & skf21("7","6","1","2","1","5","5","1") = "6"
    & skf21("7","6","1","2","1","5","6","1") = "6"
    & skf21("7","6","1","2","1","5","7","1") = "6"
    & skf21("7","6","1","2","1","6","1","1") = "6"
    & skf21("7","6","1","2","1","6","2","1") = "6"
    & skf21("7","6","1","2","1","6","3","1") = "6"
    & skf21("7","6","1","2","1","6","4","1") = "6"
    & skf21("7","6","1","2","1","6","5","1") = "6"
    & skf21("7","6","1","2","1","6","6","1") = "6"
    & skf21("7","6","1","2","1","6","7","1") = "6"
    & skf21("7","6","1","2","1","7","1","1") = "6"
    & skf21("7","6","1","2","1","7","2","1") = "6"
    & skf21("7","6","1","2","1","7","3","1") = "6"
    & skf21("7","6","1","2","1","7","4","1") = "6"
    & skf21("7","6","1","2","1","7","5","1") = "6"
    & skf21("7","6","1","2","1","7","6","1") = "6"
    & skf21("7","6","1","2","1","7","7","1") = "6"
    & skf21("7","6","1","2","2","1","1","1") = "6"
    & skf21("7","6","1","2","2","1","2","1") = "6"
    & skf21("7","6","1","2","2","1","3","1") = "6"
    & skf21("7","6","1","2","2","1","4","1") = "6"
    & skf21("7","6","1","2","2","1","5","1") = "6"
    & skf21("7","6","1","2","2","1","6","1") = "6"
    & skf21("7","6","1","2","2","1","7","1") = "6"
    & skf21("7","6","1","2","2","2","1","1") = "6"
    & skf21("7","6","1","2","2","2","2","1") = "6"
    & skf21("7","6","1","2","2","2","3","1") = "6"
    & skf21("7","6","1","2","2","2","4","1") = "6"
    & skf21("7","6","1","2","2","2","5","1") = "6"
    & skf21("7","6","1","2","2","2","6","1") = "6"
    & skf21("7","6","1","2","2","2","7","1") = "6"
    & skf21("7","6","1","2","2","3","1","1") = "6"
    & skf21("7","6","1","2","2","3","2","1") = "6"
    & skf21("7","6","1","2","2","3","3","1") = "6"
    & skf21("7","6","1","2","2","3","4","1") = "6"
    & skf21("7","6","1","2","2","3","5","1") = "6"
    & skf21("7","6","1","2","2","3","6","1") = "6"
    & skf21("7","6","1","2","2","3","7","1") = "6"
    & skf21("7","6","1","2","2","4","1","1") = "6"
    & skf21("7","6","1","2","2","4","2","1") = "6"
    & skf21("7","6","1","2","2","4","3","1") = "6"
    & skf21("7","6","1","2","2","4","4","1") = "6"
    & skf21("7","6","1","2","2","4","5","1") = "6"
    & skf21("7","6","1","2","2","4","6","1") = "6"
    & skf21("7","6","1","2","2","4","7","1") = "6"
    & skf21("7","6","1","2","2","5","1","1") = "6"
    & skf21("7","6","1","2","2","5","2","1") = "6"
    & skf21("7","6","1","2","2","5","3","1") = "6"
    & skf21("7","6","1","2","2","5","4","1") = "6"
    & skf21("7","6","1","2","2","5","5","1") = "6"
    & skf21("7","6","1","2","2","5","6","1") = "6"
    & skf21("7","6","1","2","2","5","7","1") = "6"
    & skf21("7","6","1","2","2","6","1","1") = "6"
    & skf21("7","6","1","2","2","6","2","1") = "6"
    & skf21("7","6","1","2","2","6","3","1") = "6"
    & skf21("7","6","1","2","2","6","4","1") = "6"
    & skf21("7","6","1","2","2","6","5","1") = "6"
    & skf21("7","6","1","2","2","6","6","1") = "6"
    & skf21("7","6","1","2","2","6","7","1") = "6"
    & skf21("7","6","1","2","2","7","1","1") = "6"
    & skf21("7","6","1","2","2","7","2","1") = "6"
    & skf21("7","6","1","2","2","7","3","1") = "6"
    & skf21("7","6","1","2","2","7","4","1") = "6"
    & skf21("7","6","1","2","2","7","5","1") = "6"
    & skf21("7","6","1","2","2","7","6","1") = "6"
    & skf21("7","6","1","2","2","7","7","1") = "6"
    & skf21("7","6","1","2","3","1","1","1") = "6"
    & skf21("7","6","1","2","3","1","2","1") = "6"
    & skf21("7","6","1","2","3","1","3","1") = "6"
    & skf21("7","6","1","2","3","1","4","1") = "6"
    & skf21("7","6","1","2","3","1","5","1") = "6"
    & skf21("7","6","1","2","3","1","6","1") = "6"
    & skf21("7","6","1","2","3","1","7","1") = "6"
    & skf21("7","6","1","2","3","2","1","1") = "6"
    & skf21("7","6","1","2","3","2","2","1") = "6"
    & skf21("7","6","1","2","3","2","3","1") = "6"
    & skf21("7","6","1","2","3","2","4","1") = "6"
    & skf21("7","6","1","2","3","2","5","1") = "6"
    & skf21("7","6","1","2","3","2","6","1") = "6"
    & skf21("7","6","1","2","3","2","7","1") = "6"
    & skf21("7","6","1","2","3","3","1","1") = "6"
    & skf21("7","6","1","2","3","3","2","1") = "6"
    & skf21("7","6","1","2","3","3","3","1") = "6"
    & skf21("7","6","1","2","3","3","4","1") = "6"
    & skf21("7","6","1","2","3","3","5","1") = "6"
    & skf21("7","6","1","2","3","3","6","1") = "6"
    & skf21("7","6","1","2","3","3","7","1") = "6"
    & skf21("7","6","1","2","3","4","1","1") = "6"
    & skf21("7","6","1","2","3","4","2","1") = "6"
    & skf21("7","6","1","2","3","4","3","1") = "6"
    & skf21("7","6","1","2","3","4","4","1") = "6"
    & skf21("7","6","1","2","3","4","5","1") = "6"
    & skf21("7","6","1","2","3","4","6","1") = "6"
    & skf21("7","6","1","2","3","4","7","1") = "6"
    & skf21("7","6","1","2","3","5","1","1") = "6"
    & skf21("7","6","1","2","3","5","2","1") = "6"
    & skf21("7","6","1","2","3","5","3","1") = "6"
    & skf21("7","6","1","2","3","5","4","1") = "6"
    & skf21("7","6","1","2","3","5","5","1") = "6"
    & skf21("7","6","1","2","3","5","6","1") = "6"
    & skf21("7","6","1","2","3","5","7","1") = "6"
    & skf21("7","6","1","2","3","6","1","1") = "6"
    & skf21("7","6","1","2","3","6","2","1") = "6"
    & skf21("7","6","1","2","3","6","3","1") = "6"
    & skf21("7","6","1","2","3","6","4","1") = "6"
    & skf21("7","6","1","2","3","6","5","1") = "6"
    & skf21("7","6","1","2","3","6","6","1") = "6"
    & skf21("7","6","1","2","3","6","7","1") = "6"
    & skf21("7","6","1","2","3","7","1","1") = "6"
    & skf21("7","6","1","2","3","7","2","1") = "6"
    & skf21("7","6","1","2","3","7","3","1") = "6"
    & skf21("7","6","1","2","3","7","4","1") = "6"
    & skf21("7","6","1","2","3","7","5","1") = "6"
    & skf21("7","6","1","2","3","7","6","1") = "6"
    & skf21("7","6","1","2","3","7","7","1") = "6"
    & skf21("7","6","1","2","4","1","1","1") = "6"
    & skf21("7","6","1","2","4","1","2","1") = "6"
    & skf21("7","6","1","2","4","1","3","1") = "6"
    & skf21("7","6","1","2","4","1","4","1") = "6"
    & skf21("7","6","1","2","4","1","5","1") = "6"
    & skf21("7","6","1","2","4","1","6","1") = "6"
    & skf21("7","6","1","2","4","1","7","1") = "6"
    & skf21("7","6","1","2","4","2","1","1") = "6"
    & skf21("7","6","1","2","4","2","2","1") = "6"
    & skf21("7","6","1","2","4","2","3","1") = "6"
    & skf21("7","6","1","2","4","2","4","1") = "6"
    & skf21("7","6","1","2","4","2","5","1") = "6"
    & skf21("7","6","1","2","4","2","6","1") = "6"
    & skf21("7","6","1","2","4","2","7","1") = "6"
    & skf21("7","6","1","2","4","3","1","1") = "6"
    & skf21("7","6","1","2","4","3","2","1") = "6"
    & skf21("7","6","1","2","4","3","3","1") = "6"
    & skf21("7","6","1","2","4","3","4","1") = "6"
    & skf21("7","6","1","2","4","3","5","1") = "6"
    & skf21("7","6","1","2","4","3","6","1") = "6"
    & skf21("7","6","1","2","4","3","7","1") = "6"
    & skf21("7","6","1","2","4","4","1","1") = "6"
    & skf21("7","6","1","2","4","4","2","1") = "6"
    & skf21("7","6","1","2","4","4","3","1") = "6"
    & skf21("7","6","1","2","4","4","4","1") = "6"
    & skf21("7","6","1","2","4","4","5","1") = "6"
    & skf21("7","6","1","2","4","4","6","1") = "6"
    & skf21("7","6","1","2","4","4","7","1") = "6"
    & skf21("7","6","1","2","4","5","1","1") = "6"
    & skf21("7","6","1","2","4","5","2","1") = "6"
    & skf21("7","6","1","2","4","5","3","1") = "6"
    & skf21("7","6","1","2","4","5","4","1") = "6"
    & skf21("7","6","1","2","4","5","5","1") = "6"
    & skf21("7","6","1","2","4","5","6","1") = "6"
    & skf21("7","6","1","2","4","5","7","1") = "6"
    & skf21("7","6","1","2","4","6","1","1") = "6"
    & skf21("7","6","1","2","4","6","2","1") = "6"
    & skf21("7","6","1","2","4","6","3","1") = "6"
    & skf21("7","6","1","2","4","6","4","1") = "6"
    & skf21("7","6","1","2","4","6","5","1") = "6"
    & skf21("7","6","1","2","4","6","6","1") = "6"
    & skf21("7","6","1","2","4","6","7","1") = "6"
    & skf21("7","6","1","2","4","7","1","1") = "6"
    & skf21("7","6","1","2","4","7","2","1") = "6"
    & skf21("7","6","1","2","4","7","3","1") = "6"
    & skf21("7","6","1","2","4","7","4","1") = "6"
    & skf21("7","6","1","2","4","7","5","1") = "6"
    & skf21("7","6","1","2","4","7","6","1") = "6"
    & skf21("7","6","1","2","4","7","7","1") = "6"
    & skf21("7","6","1","2","5","1","1","1") = "6"
    & skf21("7","6","1","2","5","1","2","1") = "6"
    & skf21("7","6","1","2","5","1","3","1") = "6"
    & skf21("7","6","1","2","5","1","4","1") = "6"
    & skf21("7","6","1","2","5","1","5","1") = "6"
    & skf21("7","6","1","2","5","1","6","1") = "6"
    & skf21("7","6","1","2","5","1","7","1") = "6"
    & skf21("7","6","1","2","5","2","1","1") = "6"
    & skf21("7","6","1","2","5","2","2","1") = "6"
    & skf21("7","6","1","2","5","2","3","1") = "6"
    & skf21("7","6","1","2","5","2","4","1") = "6"
    & skf21("7","6","1","2","5","2","5","1") = "6"
    & skf21("7","6","1","2","5","2","6","1") = "6"
    & skf21("7","6","1","2","5","2","7","1") = "6"
    & skf21("7","6","1","2","5","3","1","1") = "6"
    & skf21("7","6","1","2","5","3","2","1") = "6"
    & skf21("7","6","1","2","5","3","3","1") = "6"
    & skf21("7","6","1","2","5","3","4","1") = "6"
    & skf21("7","6","1","2","5","3","5","1") = "6"
    & skf21("7","6","1","2","5","3","6","1") = "6"
    & skf21("7","6","1","2","5","3","7","1") = "6"
    & skf21("7","6","1","2","5","4","1","1") = "6"
    & skf21("7","6","1","2","5","4","2","1") = "6"
    & skf21("7","6","1","2","5","4","3","1") = "6"
    & skf21("7","6","1","2","5","4","4","1") = "6"
    & skf21("7","6","1","2","5","4","5","1") = "6"
    & skf21("7","6","1","2","5","4","6","1") = "6"
    & skf21("7","6","1","2","5","4","7","1") = "6"
    & skf21("7","6","1","2","5","5","1","1") = "6"
    & skf21("7","6","1","2","5","5","2","1") = "6"
    & skf21("7","6","1","2","5","5","3","1") = "6"
    & skf21("7","6","1","2","5","5","4","1") = "6"
    & skf21("7","6","1","2","5","5","5","1") = "6"
    & skf21("7","6","1","2","5","5","6","1") = "6"
    & skf21("7","6","1","2","5","5","7","1") = "6"
    & skf21("7","6","1","2","5","6","1","1") = "6"
    & skf21("7","6","1","2","5","6","2","1") = "6"
    & skf21("7","6","1","2","5","6","3","1") = "6"
    & skf21("7","6","1","2","5","6","4","1") = "6"
    & skf21("7","6","1","2","5","6","5","1") = "6"
    & skf21("7","6","1","2","5","6","6","1") = "6"
    & skf21("7","6","1","2","5","6","7","1") = "6"
    & skf21("7","6","1","2","5","7","1","1") = "6"
    & skf21("7","6","1","2","5","7","2","1") = "6"
    & skf21("7","6","1","2","5","7","3","1") = "6"
    & skf21("7","6","1","2","5","7","4","1") = "6"
    & skf21("7","6","1","2","5","7","5","1") = "6"
    & skf21("7","6","1","2","5","7","6","1") = "6"
    & skf21("7","6","1","2","5","7","7","1") = "6"
    & skf21("7","6","1","2","6","1","1","1") = "6"
    & skf21("7","6","1","2","6","1","2","1") = "6"
    & skf21("7","6","1","2","6","1","3","1") = "6"
    & skf21("7","6","1","2","6","1","4","1") = "6"
    & skf21("7","6","1","2","6","1","5","1") = "6"
    & skf21("7","6","1","2","6","1","6","1") = "6"
    & skf21("7","6","1","2","6","1","7","1") = "6"
    & skf21("7","6","1","2","6","2","1","1") = "6"
    & skf21("7","6","1","2","6","2","2","1") = "6"
    & skf21("7","6","1","2","6","2","3","1") = "6"
    & skf21("7","6","1","2","6","2","4","1") = "6"
    & skf21("7","6","1","2","6","2","5","1") = "6"
    & skf21("7","6","1","2","6","2","6","1") = "6"
    & skf21("7","6","1","2","6","2","7","1") = "6"
    & skf21("7","6","1","2","6","3","1","1") = "6"
    & skf21("7","6","1","2","6","3","2","1") = "6"
    & skf21("7","6","1","2","6","3","3","1") = "6"
    & skf21("7","6","1","2","6","3","4","1") = "6"
    & skf21("7","6","1","2","6","3","5","1") = "6"
    & skf21("7","6","1","2","6","3","6","1") = "6"
    & skf21("7","6","1","2","6","3","7","1") = "6"
    & skf21("7","6","1","2","6","4","1","1") = "6"
    & skf21("7","6","1","2","6","4","2","1") = "6"
    & skf21("7","6","1","2","6","4","3","1") = "6"
    & skf21("7","6","1","2","6","4","4","1") = "6"
    & skf21("7","6","1","2","6","4","5","1") = "6"
    & skf21("7","6","1","2","6","4","6","1") = "6"
    & skf21("7","6","1","2","6","4","7","1") = "6"
    & skf21("7","6","1","2","6","5","1","1") = "6"
    & skf21("7","6","1","2","6","5","2","1") = "6"
    & skf21("7","6","1","2","6","5","3","1") = "6"
    & skf21("7","6","1","2","6","5","4","1") = "6"
    & skf21("7","6","1","2","6","5","5","1") = "6"
    & skf21("7","6","1","2","6","5","6","1") = "6"
    & skf21("7","6","1","2","6","5","7","1") = "6"
    & skf21("7","6","1","2","6","6","1","1") = "6"
    & skf21("7","6","1","2","6","6","2","1") = "6"
    & skf21("7","6","1","2","6","6","3","1") = "6"
    & skf21("7","6","1","2","6","6","4","1") = "6"
    & skf21("7","6","1","2","6","6","5","1") = "6"
    & skf21("7","6","1","2","6","6","6","1") = "6"
    & skf21("7","6","1","2","6","6","7","1") = "6"
    & skf21("7","6","1","2","6","7","1","1") = "6"
    & skf21("7","6","1","2","6","7","2","1") = "6"
    & skf21("7","6","1","2","6","7","3","1") = "6"
    & skf21("7","6","1","2","6","7","4","1") = "6"
    & skf21("7","6","1","2","6","7","5","1") = "6"
    & skf21("7","6","1","2","6","7","6","1") = "6"
    & skf21("7","6","1","2","6","7","7","1") = "6"
    & skf21("7","6","1","2","7","1","1","1") = "6"
    & skf21("7","6","1","2","7","1","2","1") = "6"
    & skf21("7","6","1","2","7","1","3","1") = "6"
    & skf21("7","6","1","2","7","1","4","1") = "6"
    & skf21("7","6","1","2","7","1","5","1") = "6"
    & skf21("7","6","1","2","7","1","6","1") = "6"
    & skf21("7","6","1","2","7","1","7","1") = "6"
    & skf21("7","6","1","2","7","2","1","1") = "6"
    & skf21("7","6","1","2","7","2","2","1") = "6"
    & skf21("7","6","1","2","7","2","3","1") = "6"
    & skf21("7","6","1","2","7","2","4","1") = "6"
    & skf21("7","6","1","2","7","2","5","1") = "6"
    & skf21("7","6","1","2","7","2","6","1") = "6"
    & skf21("7","6","1","2","7","2","7","1") = "6"
    & skf21("7","6","1","2","7","3","1","1") = "6"
    & skf21("7","6","1","2","7","3","2","1") = "6"
    & skf21("7","6","1","2","7","3","3","1") = "6"
    & skf21("7","6","1","2","7","3","4","1") = "6"
    & skf21("7","6","1","2","7","3","5","1") = "6"
    & skf21("7","6","1","2","7","3","6","1") = "6"
    & skf21("7","6","1","2","7","3","7","1") = "6"
    & skf21("7","6","1","2","7","4","1","1") = "6"
    & skf21("7","6","1","2","7","4","2","1") = "6"
    & skf21("7","6","1","2","7","4","3","1") = "6"
    & skf21("7","6","1","2","7","4","4","1") = "6"
    & skf21("7","6","1","2","7","4","5","1") = "6"
    & skf21("7","6","1","2","7","4","6","1") = "6"
    & skf21("7","6","1","2","7","4","7","1") = "6"
    & skf21("7","6","1","2","7","5","1","1") = "6"
    & skf21("7","6","1","2","7","5","2","1") = "6"
    & skf21("7","6","1","2","7","5","3","1") = "6"
    & skf21("7","6","1","2","7","5","4","1") = "6"
    & skf21("7","6","1","2","7","5","5","1") = "6"
    & skf21("7","6","1","2","7","5","6","1") = "6"
    & skf21("7","6","1","2","7","5","7","1") = "6"
    & skf21("7","6","1","2","7","6","1","1") = "6"
    & skf21("7","6","1","2","7","6","2","1") = "6"
    & skf21("7","6","1","2","7","6","3","1") = "6"
    & skf21("7","6","1","2","7","6","4","1") = "6"
    & skf21("7","6","1","2","7","6","5","1") = "6"
    & skf21("7","6","1","2","7","6","6","1") = "6"
    & skf21("7","6","1","2","7","6","7","1") = "6"
    & skf21("7","6","1","2","7","7","1","1") = "6"
    & skf21("7","6","1","2","7","7","2","1") = "6"
    & skf21("7","6","1","2","7","7","3","1") = "6"
    & skf21("7","6","1","2","7","7","4","1") = "6"
    & skf21("7","6","1","2","7","7","5","1") = "6"
    & skf21("7","6","1","2","7","7","6","1") = "6"
    & skf21("7","6","1","2","7","7","7","1") = "6"
    & skf21("7","6","1","3","1","1","1","1") = "6"
    & skf21("7","6","1","3","1","1","2","1") = "6"
    & skf21("7","6","1","3","1","1","3","1") = "6"
    & skf21("7","6","1","3","1","1","4","1") = "6"
    & skf21("7","6","1","3","1","1","5","1") = "6"
    & skf21("7","6","1","3","1","1","6","1") = "6"
    & skf21("7","6","1","3","1","1","7","1") = "6"
    & skf21("7","6","1","3","1","2","1","1") = "6"
    & skf21("7","6","1","3","1","2","2","1") = "6"
    & skf21("7","6","1","3","1","2","3","1") = "6"
    & skf21("7","6","1","3","1","2","4","1") = "6"
    & skf21("7","6","1","3","1","2","5","1") = "6"
    & skf21("7","6","1","3","1","2","6","1") = "6"
    & skf21("7","6","1","3","1","2","7","1") = "6"
    & skf21("7","6","1","3","1","3","1","1") = "6"
    & skf21("7","6","1","3","1","3","2","1") = "6"
    & skf21("7","6","1","3","1","3","3","1") = "6"
    & skf21("7","6","1","3","1","3","4","1") = "6"
    & skf21("7","6","1","3","1","3","5","1") = "6"
    & skf21("7","6","1","3","1","3","6","1") = "6"
    & skf21("7","6","1","3","1","3","7","1") = "6"
    & skf21("7","6","1","3","1","4","1","1") = "6"
    & skf21("7","6","1","3","1","4","2","1") = "6"
    & skf21("7","6","1","3","1","4","3","1") = "6"
    & skf21("7","6","1","3","1","4","4","1") = "6"
    & skf21("7","6","1","3","1","4","5","1") = "6"
    & skf21("7","6","1","3","1","4","6","1") = "6"
    & skf21("7","6","1","3","1","4","7","1") = "6"
    & skf21("7","6","1","3","1","5","1","1") = "6"
    & skf21("7","6","1","3","1","5","2","1") = "6"
    & skf21("7","6","1","3","1","5","3","1") = "6"
    & skf21("7","6","1","3","1","5","4","1") = "6"
    & skf21("7","6","1","3","1","5","5","1") = "6"
    & skf21("7","6","1","3","1","5","6","1") = "6"
    & skf21("7","6","1","3","1","5","7","1") = "6"
    & skf21("7","6","1","3","1","6","1","1") = "6"
    & skf21("7","6","1","3","1","6","2","1") = "6"
    & skf21("7","6","1","3","1","6","3","1") = "6"
    & skf21("7","6","1","3","1","6","4","1") = "6"
    & skf21("7","6","1","3","1","6","5","1") = "6"
    & skf21("7","6","1","3","1","6","6","1") = "6"
    & skf21("7","6","1","3","1","6","7","1") = "6"
    & skf21("7","6","1","3","1","7","1","1") = "6"
    & skf21("7","6","1","3","1","7","2","1") = "6"
    & skf21("7","6","1","3","1","7","3","1") = "6"
    & skf21("7","6","1","3","1","7","4","1") = "6"
    & skf21("7","6","1","3","1","7","5","1") = "6"
    & skf21("7","6","1","3","1","7","6","1") = "6"
    & skf21("7","6","1","3","1","7","7","1") = "6"
    & skf21("7","6","1","3","2","1","1","1") = "6"
    & skf21("7","6","1","3","2","1","2","1") = "6"
    & skf21("7","6","1","3","2","1","3","1") = "6"
    & skf21("7","6","1","3","2","1","4","1") = "6"
    & skf21("7","6","1","3","2","1","5","1") = "6"
    & skf21("7","6","1","3","2","1","6","1") = "6"
    & skf21("7","6","1","3","2","1","7","1") = "6"
    & skf21("7","6","1","3","2","2","1","1") = "6"
    & skf21("7","6","1","3","2","2","2","1") = "6"
    & skf21("7","6","1","3","2","2","3","1") = "6"
    & skf21("7","6","1","3","2","2","4","1") = "6"
    & skf21("7","6","1","3","2","2","5","1") = "6"
    & skf21("7","6","1","3","2","2","6","1") = "6"
    & skf21("7","6","1","3","2","2","7","1") = "6"
    & skf21("7","6","1","3","2","3","1","1") = "6"
    & skf21("7","6","1","3","2","3","2","1") = "6"
    & skf21("7","6","1","3","2","3","3","1") = "6"
    & skf21("7","6","1","3","2","3","4","1") = "6"
    & skf21("7","6","1","3","2","3","5","1") = "6"
    & skf21("7","6","1","3","2","3","6","1") = "6"
    & skf21("7","6","1","3","2","3","7","1") = "6"
    & skf21("7","6","1","3","2","4","1","1") = "6"
    & skf21("7","6","1","3","2","4","2","1") = "6"
    & skf21("7","6","1","3","2","4","3","1") = "6"
    & skf21("7","6","1","3","2","4","4","1") = "6"
    & skf21("7","6","1","3","2","4","5","1") = "6"
    & skf21("7","6","1","3","2","4","6","1") = "6"
    & skf21("7","6","1","3","2","4","7","1") = "6"
    & skf21("7","6","1","3","2","5","1","1") = "6"
    & skf21("7","6","1","3","2","5","2","1") = "6"
    & skf21("7","6","1","3","2","5","3","1") = "6"
    & skf21("7","6","1","3","2","5","4","1") = "6"
    & skf21("7","6","1","3","2","5","5","1") = "6"
    & skf21("7","6","1","3","2","5","6","1") = "6"
    & skf21("7","6","1","3","2","5","7","1") = "6"
    & skf21("7","6","1","3","2","6","1","1") = "6"
    & skf21("7","6","1","3","2","6","2","1") = "6"
    & skf21("7","6","1","3","2","6","3","1") = "6"
    & skf21("7","6","1","3","2","6","4","1") = "6"
    & skf21("7","6","1","3","2","6","5","1") = "6"
    & skf21("7","6","1","3","2","6","6","1") = "6"
    & skf21("7","6","1","3","2","6","7","1") = "6"
    & skf21("7","6","1","3","2","7","1","1") = "6"
    & skf21("7","6","1","3","2","7","2","1") = "6"
    & skf21("7","6","1","3","2","7","3","1") = "6"
    & skf21("7","6","1","3","2","7","4","1") = "6"
    & skf21("7","6","1","3","2","7","5","1") = "6"
    & skf21("7","6","1","3","2","7","6","1") = "6"
    & skf21("7","6","1","3","2","7","7","1") = "6"
    & skf21("7","6","1","3","3","1","1","1") = "6"
    & skf21("7","6","1","3","3","1","2","1") = "6"
    & skf21("7","6","1","3","3","1","3","1") = "6"
    & skf21("7","6","1","3","3","1","4","1") = "6"
    & skf21("7","6","1","3","3","1","5","1") = "6"
    & skf21("7","6","1","3","3","1","6","1") = "6"
    & skf21("7","6","1","3","3","1","7","1") = "6"
    & skf21("7","6","1","3","3","2","1","1") = "6"
    & skf21("7","6","1","3","3","2","2","1") = "6"
    & skf21("7","6","1","3","3","2","3","1") = "6"
    & skf21("7","6","1","3","3","2","4","1") = "6"
    & skf21("7","6","1","3","3","2","5","1") = "6"
    & skf21("7","6","1","3","3","2","6","1") = "6"
    & skf21("7","6","1","3","3","2","7","1") = "6"
    & skf21("7","6","1","3","3","3","1","1") = "6"
    & skf21("7","6","1","3","3","3","2","1") = "6"
    & skf21("7","6","1","3","3","3","3","1") = "6"
    & skf21("7","6","1","3","3","3","4","1") = "6"
    & skf21("7","6","1","3","3","3","5","1") = "6"
    & skf21("7","6","1","3","3","3","6","1") = "6"
    & skf21("7","6","1","3","3","3","7","1") = "6"
    & skf21("7","6","1","3","3","4","1","1") = "6"
    & skf21("7","6","1","3","3","4","2","1") = "6"
    & skf21("7","6","1","3","3","4","3","1") = "6"
    & skf21("7","6","1","3","3","4","4","1") = "6"
    & skf21("7","6","1","3","3","4","5","1") = "6"
    & skf21("7","6","1","3","3","4","6","1") = "6"
    & skf21("7","6","1","3","3","4","7","1") = "6"
    & skf21("7","6","1","3","3","5","1","1") = "6"
    & skf21("7","6","1","3","3","5","2","1") = "6"
    & skf21("7","6","1","3","3","5","3","1") = "6"
    & skf21("7","6","1","3","3","5","4","1") = "6"
    & skf21("7","6","1","3","3","5","5","1") = "6"
    & skf21("7","6","1","3","3","5","6","1") = "6"
    & skf21("7","6","1","3","3","5","7","1") = "6"
    & skf21("7","6","1","3","3","6","1","1") = "6"
    & skf21("7","6","1","3","3","6","2","1") = "6"
    & skf21("7","6","1","3","3","6","3","1") = "6"
    & skf21("7","6","1","3","3","6","4","1") = "6"
    & skf21("7","6","1","3","3","6","5","1") = "6"
    & skf21("7","6","1","3","3","6","6","1") = "6"
    & skf21("7","6","1","3","3","6","7","1") = "6"
    & skf21("7","6","1","3","3","7","1","1") = "6"
    & skf21("7","6","1","3","3","7","2","1") = "6"
    & skf21("7","6","1","3","3","7","3","1") = "6"
    & skf21("7","6","1","3","3","7","4","1") = "6"
    & skf21("7","6","1","3","3","7","5","1") = "6"
    & skf21("7","6","1","3","3","7","6","1") = "6"
    & skf21("7","6","1","3","3","7","7","1") = "6"
    & skf21("7","6","1","3","4","1","1","1") = "6"
    & skf21("7","6","1","3","4","1","2","1") = "6"
    & skf21("7","6","1","3","4","1","3","1") = "6"
    & skf21("7","6","1","3","4","1","4","1") = "6"
    & skf21("7","6","1","3","4","1","5","1") = "6"
    & skf21("7","6","1","3","4","1","6","1") = "6"
    & skf21("7","6","1","3","4","1","7","1") = "6"
    & skf21("7","6","1","3","4","2","1","1") = "6"
    & skf21("7","6","1","3","4","2","2","1") = "6"
    & skf21("7","6","1","3","4","2","3","1") = "6"
    & skf21("7","6","1","3","4","2","4","1") = "6"
    & skf21("7","6","1","3","4","2","5","1") = "6"
    & skf21("7","6","1","3","4","2","6","1") = "6"
    & skf21("7","6","1","3","4","2","7","1") = "6"
    & skf21("7","6","1","3","4","3","1","1") = "6"
    & skf21("7","6","1","3","4","3","2","1") = "6"
    & skf21("7","6","1","3","4","3","3","1") = "6"
    & skf21("7","6","1","3","4","3","4","1") = "6"
    & skf21("7","6","1","3","4","3","5","1") = "6"
    & skf21("7","6","1","3","4","3","6","1") = "6"
    & skf21("7","6","1","3","4","3","7","1") = "6"
    & skf21("7","6","1","3","4","4","1","1") = "6"
    & skf21("7","6","1","3","4","4","2","1") = "6"
    & skf21("7","6","1","3","4","4","3","1") = "6"
    & skf21("7","6","1","3","4","4","4","1") = "6"
    & skf21("7","6","1","3","4","4","5","1") = "6"
    & skf21("7","6","1","3","4","4","6","1") = "6"
    & skf21("7","6","1","3","4","4","7","1") = "6"
    & skf21("7","6","1","3","4","5","1","1") = "6"
    & skf21("7","6","1","3","4","5","2","1") = "6"
    & skf21("7","6","1","3","4","5","3","1") = "6"
    & skf21("7","6","1","3","4","5","4","1") = "6"
    & skf21("7","6","1","3","4","5","5","1") = "6"
    & skf21("7","6","1","3","4","5","6","1") = "6"
    & skf21("7","6","1","3","4","5","7","1") = "6"
    & skf21("7","6","1","3","4","6","1","1") = "6"
    & skf21("7","6","1","3","4","6","2","1") = "6"
    & skf21("7","6","1","3","4","6","3","1") = "6"
    & skf21("7","6","1","3","4","6","4","1") = "6"
    & skf21("7","6","1","3","4","6","5","1") = "6"
    & skf21("7","6","1","3","4","6","6","1") = "6"
    & skf21("7","6","1","3","4","6","7","1") = "6"
    & skf21("7","6","1","3","4","7","1","1") = "6"
    & skf21("7","6","1","3","4","7","2","1") = "6"
    & skf21("7","6","1","3","4","7","3","1") = "6"
    & skf21("7","6","1","3","4","7","4","1") = "6"
    & skf21("7","6","1","3","4","7","5","1") = "6"
    & skf21("7","6","1","3","4","7","6","1") = "6"
    & skf21("7","6","1","3","4","7","7","1") = "6"
    & skf21("7","6","1","3","5","1","1","1") = "6"
    & skf21("7","6","1","3","5","1","2","1") = "6"
    & skf21("7","6","1","3","5","1","3","1") = "6"
    & skf21("7","6","1","3","5","1","4","1") = "6"
    & skf21("7","6","1","3","5","1","5","1") = "6"
    & skf21("7","6","1","3","5","1","6","1") = "6"
    & skf21("7","6","1","3","5","1","7","1") = "6"
    & skf21("7","6","1","3","5","2","1","1") = "6"
    & skf21("7","6","1","3","5","2","2","1") = "6"
    & skf21("7","6","1","3","5","2","3","1") = "6"
    & skf21("7","6","1","3","5","2","4","1") = "6"
    & skf21("7","6","1","3","5","2","5","1") = "6"
    & skf21("7","6","1","3","5","2","6","1") = "6"
    & skf21("7","6","1","3","5","2","7","1") = "6"
    & skf21("7","6","1","3","5","3","1","1") = "6"
    & skf21("7","6","1","3","5","3","2","1") = "6"
    & skf21("7","6","1","3","5","3","3","1") = "6"
    & skf21("7","6","1","3","5","3","4","1") = "6"
    & skf21("7","6","1","3","5","3","5","1") = "6"
    & skf21("7","6","1","3","5","3","6","1") = "6"
    & skf21("7","6","1","3","5","3","7","1") = "6"
    & skf21("7","6","1","3","5","4","1","1") = "6"
    & skf21("7","6","1","3","5","4","2","1") = "6"
    & skf21("7","6","1","3","5","4","3","1") = "6"
    & skf21("7","6","1","3","5","4","4","1") = "6"
    & skf21("7","6","1","3","5","4","5","1") = "6"
    & skf21("7","6","1","3","5","4","6","1") = "6"
    & skf21("7","6","1","3","5","4","7","1") = "6"
    & skf21("7","6","1","3","5","5","1","1") = "6"
    & skf21("7","6","1","3","5","5","2","1") = "6"
    & skf21("7","6","1","3","5","5","3","1") = "6"
    & skf21("7","6","1","3","5","5","4","1") = "6"
    & skf21("7","6","1","3","5","5","5","1") = "6"
    & skf21("7","6","1","3","5","5","6","1") = "6"
    & skf21("7","6","1","3","5","5","7","1") = "6"
    & skf21("7","6","1","3","5","6","1","1") = "6"
    & skf21("7","6","1","3","5","6","2","1") = "6"
    & skf21("7","6","1","3","5","6","3","1") = "6"
    & skf21("7","6","1","3","5","6","4","1") = "6"
    & skf21("7","6","1","3","5","6","5","1") = "6"
    & skf21("7","6","1","3","5","6","6","1") = "6"
    & skf21("7","6","1","3","5","6","7","1") = "6"
    & skf21("7","6","1","3","5","7","1","1") = "6"
    & skf21("7","6","1","3","5","7","2","1") = "6"
    & skf21("7","6","1","3","5","7","3","1") = "6"
    & skf21("7","6","1","3","5","7","4","1") = "6"
    & skf21("7","6","1","3","5","7","5","1") = "6"
    & skf21("7","6","1","3","5","7","6","1") = "6"
    & skf21("7","6","1","3","5","7","7","1") = "6"
    & skf21("7","6","1","3","6","1","1","1") = "6"
    & skf21("7","6","1","3","6","1","2","1") = "6"
    & skf21("7","6","1","3","6","1","3","1") = "6"
    & skf21("7","6","1","3","6","1","4","1") = "6"
    & skf21("7","6","1","3","6","1","5","1") = "6"
    & skf21("7","6","1","3","6","1","6","1") = "6"
    & skf21("7","6","1","3","6","1","7","1") = "6"
    & skf21("7","6","1","3","6","2","1","1") = "6"
    & skf21("7","6","1","3","6","2","2","1") = "6"
    & skf21("7","6","1","3","6","2","3","1") = "6"
    & skf21("7","6","1","3","6","2","4","1") = "6"
    & skf21("7","6","1","3","6","2","5","1") = "6"
    & skf21("7","6","1","3","6","2","6","1") = "6"
    & skf21("7","6","1","3","6","2","7","1") = "6"
    & skf21("7","6","1","3","6","3","1","1") = "6"
    & skf21("7","6","1","3","6","3","2","1") = "6"
    & skf21("7","6","1","3","6","3","3","1") = "6"
    & skf21("7","6","1","3","6","3","4","1") = "6"
    & skf21("7","6","1","3","6","3","5","1") = "6"
    & skf21("7","6","1","3","6","3","6","1") = "6"
    & skf21("7","6","1","3","6","3","7","1") = "6"
    & skf21("7","6","1","3","6","4","1","1") = "6"
    & skf21("7","6","1","3","6","4","2","1") = "6"
    & skf21("7","6","1","3","6","4","3","1") = "6"
    & skf21("7","6","1","3","6","4","4","1") = "6"
    & skf21("7","6","1","3","6","4","5","1") = "6"
    & skf21("7","6","1","3","6","4","6","1") = "6"
    & skf21("7","6","1","3","6","4","7","1") = "6"
    & skf21("7","6","1","3","6","5","1","1") = "6"
    & skf21("7","6","1","3","6","5","2","1") = "6"
    & skf21("7","6","1","3","6","5","3","1") = "6"
    & skf21("7","6","1","3","6","5","4","1") = "6"
    & skf21("7","6","1","3","6","5","5","1") = "6"
    & skf21("7","6","1","3","6","5","6","1") = "6"
    & skf21("7","6","1","3","6","5","7","1") = "6"
    & skf21("7","6","1","3","6","6","1","1") = "6"
    & skf21("7","6","1","3","6","6","2","1") = "6"
    & skf21("7","6","1","3","6","6","3","1") = "6"
    & skf21("7","6","1","3","6","6","4","1") = "6"
    & skf21("7","6","1","3","6","6","5","1") = "6"
    & skf21("7","6","1","3","6","6","6","1") = "6"
    & skf21("7","6","1","3","6","6","7","1") = "6"
    & skf21("7","6","1","3","6","7","1","1") = "6"
    & skf21("7","6","1","3","6","7","2","1") = "6"
    & skf21("7","6","1","3","6","7","3","1") = "6"
    & skf21("7","6","1","3","6","7","4","1") = "6"
    & skf21("7","6","1","3","6","7","5","1") = "6"
    & skf21("7","6","1","3","6","7","6","1") = "6"
    & skf21("7","6","1","3","6","7","7","1") = "6"
    & skf21("7","6","1","3","7","1","1","1") = "6"
    & skf21("7","6","1","3","7","1","2","1") = "6"
    & skf21("7","6","1","3","7","1","3","1") = "6"
    & skf21("7","6","1","3","7","1","4","1") = "6"
    & skf21("7","6","1","3","7","1","5","1") = "6"
    & skf21("7","6","1","3","7","1","6","1") = "6"
    & skf21("7","6","1","3","7","1","7","1") = "6"
    & skf21("7","6","1","3","7","2","1","1") = "6"
    & skf21("7","6","1","3","7","2","2","1") = "6"
    & skf21("7","6","1","3","7","2","3","1") = "6"
    & skf21("7","6","1","3","7","2","4","1") = "6"
    & skf21("7","6","1","3","7","2","5","1") = "6"
    & skf21("7","6","1","3","7","2","6","1") = "6"
    & skf21("7","6","1","3","7","2","7","1") = "6"
    & skf21("7","6","1","3","7","3","1","1") = "6"
    & skf21("7","6","1","3","7","3","2","1") = "6"
    & skf21("7","6","1","3","7","3","3","1") = "6"
    & skf21("7","6","1","3","7","3","4","1") = "6"
    & skf21("7","6","1","3","7","3","5","1") = "6"
    & skf21("7","6","1","3","7","3","6","1") = "6"
    & skf21("7","6","1","3","7","3","7","1") = "6"
    & skf21("7","6","1","3","7","4","1","1") = "6"
    & skf21("7","6","1","3","7","4","2","1") = "6"
    & skf21("7","6","1","3","7","4","3","1") = "6"
    & skf21("7","6","1","3","7","4","4","1") = "6"
    & skf21("7","6","1","3","7","4","5","1") = "6"
    & skf21("7","6","1","3","7","4","6","1") = "6"
    & skf21("7","6","1","3","7","4","7","1") = "6"
    & skf21("7","6","1","3","7","5","1","1") = "6"
    & skf21("7","6","1","3","7","5","2","1") = "6"
    & skf21("7","6","1","3","7","5","3","1") = "6"
    & skf21("7","6","1","3","7","5","4","1") = "6"
    & skf21("7","6","1","3","7","5","5","1") = "6"
    & skf21("7","6","1","3","7","5","6","1") = "6"
    & skf21("7","6","1","3","7","5","7","1") = "6"
    & skf21("7","6","1","3","7","6","1","1") = "6"
    & skf21("7","6","1","3","7","6","2","1") = "6"
    & skf21("7","6","1","3","7","6","3","1") = "6"
    & skf21("7","6","1","3","7","6","4","1") = "6"
    & skf21("7","6","1","3","7","6","5","1") = "6"
    & skf21("7","6","1","3","7","6","6","1") = "6"
    & skf21("7","6","1","3","7","6","7","1") = "6"
    & skf21("7","6","1","3","7","7","1","1") = "6"
    & skf21("7","6","1","3","7","7","2","1") = "6"
    & skf21("7","6","1","3","7","7","3","1") = "6"
    & skf21("7","6","1","3","7","7","4","1") = "6"
    & skf21("7","6","1","3","7","7","5","1") = "6"
    & skf21("7","6","1","3","7","7","6","1") = "6"
    & skf21("7","6","1","3","7","7","7","1") = "6"
    & skf21("7","6","1","4","1","1","1","1") = "6"
    & skf21("7","6","1","4","1","1","2","1") = "6"
    & skf21("7","6","1","4","1","1","3","1") = "6"
    & skf21("7","6","1","4","1","1","4","1") = "6"
    & skf21("7","6","1","4","1","1","5","1") = "6"
    & skf21("7","6","1","4","1","1","6","1") = "6"
    & skf21("7","6","1","4","1","1","7","1") = "6"
    & skf21("7","6","1","4","1","2","1","1") = "6"
    & skf21("7","6","1","4","1","2","2","1") = "6"
    & skf21("7","6","1","4","1","2","3","1") = "6"
    & skf21("7","6","1","4","1","2","4","1") = "6"
    & skf21("7","6","1","4","1","2","5","1") = "6"
    & skf21("7","6","1","4","1","2","6","1") = "6"
    & skf21("7","6","1","4","1","2","7","1") = "6"
    & skf21("7","6","1","4","1","3","1","1") = "6"
    & skf21("7","6","1","4","1","3","2","1") = "6"
    & skf21("7","6","1","4","1","3","3","1") = "6"
    & skf21("7","6","1","4","1","3","4","1") = "6"
    & skf21("7","6","1","4","1","3","5","1") = "6"
    & skf21("7","6","1","4","1","3","6","1") = "6"
    & skf21("7","6","1","4","1","3","7","1") = "6"
    & skf21("7","6","1","4","1","4","1","1") = "6"
    & skf21("7","6","1","4","1","4","2","1") = "6"
    & skf21("7","6","1","4","1","4","3","1") = "6"
    & skf21("7","6","1","4","1","4","4","1") = "6"
    & skf21("7","6","1","4","1","4","5","1") = "6"
    & skf21("7","6","1","4","1","4","6","1") = "6"
    & skf21("7","6","1","4","1","4","7","1") = "6"
    & skf21("7","6","1","4","1","5","1","1") = "6"
    & skf21("7","6","1","4","1","5","2","1") = "6"
    & skf21("7","6","1","4","1","5","3","1") = "6"
    & skf21("7","6","1","4","1","5","4","1") = "6"
    & skf21("7","6","1","4","1","5","5","1") = "6"
    & skf21("7","6","1","4","1","5","6","1") = "6"
    & skf21("7","6","1","4","1","5","7","1") = "6"
    & skf21("7","6","1","4","1","6","1","1") = "6"
    & skf21("7","6","1","4","1","6","2","1") = "6"
    & skf21("7","6","1","4","1","6","3","1") = "6"
    & skf21("7","6","1","4","1","6","4","1") = "6"
    & skf21("7","6","1","4","1","6","5","1") = "6"
    & skf21("7","6","1","4","1","6","6","1") = "6"
    & skf21("7","6","1","4","1","6","7","1") = "6"
    & skf21("7","6","1","4","1","7","1","1") = "6"
    & skf21("7","6","1","4","1","7","2","1") = "6"
    & skf21("7","6","1","4","1","7","3","1") = "6"
    & skf21("7","6","1","4","1","7","4","1") = "6"
    & skf21("7","6","1","4","1","7","5","1") = "6"
    & skf21("7","6","1","4","1","7","6","1") = "6"
    & skf21("7","6","1","4","1","7","7","1") = "6"
    & skf21("7","6","1","4","2","1","1","1") = "6"
    & skf21("7","6","1","4","2","1","2","1") = "6"
    & skf21("7","6","1","4","2","1","3","1") = "6"
    & skf21("7","6","1","4","2","1","4","1") = "6"
    & skf21("7","6","1","4","2","1","5","1") = "6"
    & skf21("7","6","1","4","2","1","6","1") = "6"
    & skf21("7","6","1","4","2","1","7","1") = "6"
    & skf21("7","6","1","4","2","2","1","1") = "6"
    & skf21("7","6","1","4","2","2","2","1") = "6"
    & skf21("7","6","1","4","2","2","3","1") = "6"
    & skf21("7","6","1","4","2","2","4","1") = "6"
    & skf21("7","6","1","4","2","2","5","1") = "6"
    & skf21("7","6","1","4","2","2","6","1") = "6"
    & skf21("7","6","1","4","2","2","7","1") = "6"
    & skf21("7","6","1","4","2","3","1","1") = "6"
    & skf21("7","6","1","4","2","3","2","1") = "6"
    & skf21("7","6","1","4","2","3","3","1") = "6"
    & skf21("7","6","1","4","2","3","4","1") = "6"
    & skf21("7","6","1","4","2","3","5","1") = "6"
    & skf21("7","6","1","4","2","3","6","1") = "6"
    & skf21("7","6","1","4","2","3","7","1") = "6"
    & skf21("7","6","1","4","2","4","1","1") = "6"
    & skf21("7","6","1","4","2","4","2","1") = "6"
    & skf21("7","6","1","4","2","4","3","1") = "6"
    & skf21("7","6","1","4","2","4","4","1") = "6"
    & skf21("7","6","1","4","2","4","5","1") = "6"
    & skf21("7","6","1","4","2","4","6","1") = "6"
    & skf21("7","6","1","4","2","4","7","1") = "6"
    & skf21("7","6","1","4","2","5","1","1") = "6"
    & skf21("7","6","1","4","2","5","2","1") = "6"
    & skf21("7","6","1","4","2","5","3","1") = "6"
    & skf21("7","6","1","4","2","5","4","1") = "6"
    & skf21("7","6","1","4","2","5","5","1") = "6"
    & skf21("7","6","1","4","2","5","6","1") = "6"
    & skf21("7","6","1","4","2","5","7","1") = "6"
    & skf21("7","6","1","4","2","6","1","1") = "6"
    & skf21("7","6","1","4","2","6","2","1") = "6"
    & skf21("7","6","1","4","2","6","3","1") = "6"
    & skf21("7","6","1","4","2","6","4","1") = "6"
    & skf21("7","6","1","4","2","6","5","1") = "6"
    & skf21("7","6","1","4","2","6","6","1") = "6"
    & skf21("7","6","1","4","2","6","7","1") = "6"
    & skf21("7","6","1","4","2","7","1","1") = "6"
    & skf21("7","6","1","4","2","7","2","1") = "6"
    & skf21("7","6","1","4","2","7","3","1") = "6"
    & skf21("7","6","1","4","2","7","4","1") = "6"
    & skf21("7","6","1","4","2","7","5","1") = "6"
    & skf21("7","6","1","4","2","7","6","1") = "6"
    & skf21("7","6","1","4","2","7","7","1") = "6"
    & skf21("7","6","1","4","3","1","1","1") = "6"
    & skf21("7","6","1","4","3","1","2","1") = "6"
    & skf21("7","6","1","4","3","1","3","1") = "6"
    & skf21("7","6","1","4","3","1","4","1") = "6"
    & skf21("7","6","1","4","3","1","5","1") = "6"
    & skf21("7","6","1","4","3","1","6","1") = "6"
    & skf21("7","6","1","4","3","1","7","1") = "6"
    & skf21("7","6","1","4","3","2","1","1") = "6"
    & skf21("7","6","1","4","3","2","2","1") = "6"
    & skf21("7","6","1","4","3","2","3","1") = "6"
    & skf21("7","6","1","4","3","2","4","1") = "6"
    & skf21("7","6","1","4","3","2","5","1") = "6"
    & skf21("7","6","1","4","3","2","6","1") = "6"
    & skf21("7","6","1","4","3","2","7","1") = "6"
    & skf21("7","6","1","4","3","3","1","1") = "6"
    & skf21("7","6","1","4","3","3","2","1") = "6"
    & skf21("7","6","1","4","3","3","3","1") = "6"
    & skf21("7","6","1","4","3","3","4","1") = "6"
    & skf21("7","6","1","4","3","3","5","1") = "6"
    & skf21("7","6","1","4","3","3","6","1") = "6"
    & skf21("7","6","1","4","3","3","7","1") = "6"
    & skf21("7","6","1","4","3","4","1","1") = "6"
    & skf21("7","6","1","4","3","4","2","1") = "6"
    & skf21("7","6","1","4","3","4","3","1") = "6"
    & skf21("7","6","1","4","3","4","4","1") = "6"
    & skf21("7","6","1","4","3","4","5","1") = "6"
    & skf21("7","6","1","4","3","4","6","1") = "6"
    & skf21("7","6","1","4","3","4","7","1") = "6"
    & skf21("7","6","1","4","3","5","1","1") = "6"
    & skf21("7","6","1","4","3","5","2","1") = "6"
    & skf21("7","6","1","4","3","5","3","1") = "6"
    & skf21("7","6","1","4","3","5","4","1") = "6"
    & skf21("7","6","1","4","3","5","5","1") = "6"
    & skf21("7","6","1","4","3","5","6","1") = "6"
    & skf21("7","6","1","4","3","5","7","1") = "6"
    & skf21("7","6","1","4","3","6","1","1") = "6"
    & skf21("7","6","1","4","3","6","2","1") = "6"
    & skf21("7","6","1","4","3","6","3","1") = "6"
    & skf21("7","6","1","4","3","6","4","1") = "6"
    & skf21("7","6","1","4","3","6","5","1") = "6"
    & skf21("7","6","1","4","3","6","6","1") = "6"
    & skf21("7","6","1","4","3","6","7","1") = "6"
    & skf21("7","6","1","4","3","7","1","1") = "6"
    & skf21("7","6","1","4","3","7","2","1") = "6"
    & skf21("7","6","1","4","3","7","3","1") = "6"
    & skf21("7","6","1","4","3","7","4","1") = "6"
    & skf21("7","6","1","4","3","7","5","1") = "6"
    & skf21("7","6","1","4","3","7","6","1") = "6"
    & skf21("7","6","1","4","3","7","7","1") = "6"
    & skf21("7","6","1","4","4","1","1","1") = "6"
    & skf21("7","6","1","4","4","1","2","1") = "6"
    & skf21("7","6","1","4","4","1","3","1") = "6"
    & skf21("7","6","1","4","4","1","4","1") = "6"
    & skf21("7","6","1","4","4","1","5","1") = "6"
    & skf21("7","6","1","4","4","1","6","1") = "6"
    & skf21("7","6","1","4","4","1","7","1") = "6"
    & skf21("7","6","1","4","4","2","1","1") = "6"
    & skf21("7","6","1","4","4","2","2","1") = "6"
    & skf21("7","6","1","4","4","2","3","1") = "6"
    & skf21("7","6","1","4","4","2","4","1") = "6"
    & skf21("7","6","1","4","4","2","5","1") = "6"
    & skf21("7","6","1","4","4","2","6","1") = "6"
    & skf21("7","6","1","4","4","2","7","1") = "6"
    & skf21("7","6","1","4","4","3","1","1") = "6"
    & skf21("7","6","1","4","4","3","2","1") = "6"
    & skf21("7","6","1","4","4","3","3","1") = "6"
    & skf21("7","6","1","4","4","3","4","1") = "6"
    & skf21("7","6","1","4","4","3","5","1") = "6"
    & skf21("7","6","1","4","4","3","6","1") = "6"
    & skf21("7","6","1","4","4","3","7","1") = "6"
    & skf21("7","6","1","4","4","4","1","1") = "6"
    & skf21("7","6","1","4","4","4","2","1") = "6"
    & skf21("7","6","1","4","4","4","3","1") = "6"
    & skf21("7","6","1","4","4","4","4","1") = "6"
    & skf21("7","6","1","4","4","4","5","1") = "6"
    & skf21("7","6","1","4","4","4","6","1") = "6"
    & skf21("7","6","1","4","4","4","7","1") = "6"
    & skf21("7","6","1","4","4","5","1","1") = "6"
    & skf21("7","6","1","4","4","5","2","1") = "6"
    & skf21("7","6","1","4","4","5","3","1") = "6"
    & skf21("7","6","1","4","4","5","4","1") = "6"
    & skf21("7","6","1","4","4","5","5","1") = "6"
    & skf21("7","6","1","4","4","5","6","1") = "6"
    & skf21("7","6","1","4","4","5","7","1") = "6"
    & skf21("7","6","1","4","4","6","1","1") = "6"
    & skf21("7","6","1","4","4","6","2","1") = "6"
    & skf21("7","6","1","4","4","6","3","1") = "6"
    & skf21("7","6","1","4","4","6","4","1") = "6"
    & skf21("7","6","1","4","4","6","5","1") = "6"
    & skf21("7","6","1","4","4","6","6","1") = "6"
    & skf21("7","6","1","4","4","6","7","1") = "6"
    & skf21("7","6","1","4","4","7","1","1") = "6"
    & skf21("7","6","1","4","4","7","2","1") = "6"
    & skf21("7","6","1","4","4","7","3","1") = "6"
    & skf21("7","6","1","4","4","7","4","1") = "6"
    & skf21("7","6","1","4","4","7","5","1") = "6"
    & skf21("7","6","1","4","4","7","6","1") = "6"
    & skf21("7","6","1","4","4","7","7","1") = "6"
    & skf21("7","6","1","4","5","1","1","1") = "6"
    & skf21("7","6","1","4","5","1","2","1") = "6"
    & skf21("7","6","1","4","5","1","3","1") = "6"
    & skf21("7","6","1","4","5","1","4","1") = "6"
    & skf21("7","6","1","4","5","1","5","1") = "6"
    & skf21("7","6","1","4","5","1","6","1") = "6"
    & skf21("7","6","1","4","5","1","7","1") = "6"
    & skf21("7","6","1","4","5","2","1","1") = "6"
    & skf21("7","6","1","4","5","2","2","1") = "6"
    & skf21("7","6","1","4","5","2","3","1") = "6"
    & skf21("7","6","1","4","5","2","4","1") = "6"
    & skf21("7","6","1","4","5","2","5","1") = "6"
    & skf21("7","6","1","4","5","2","6","1") = "6"
    & skf21("7","6","1","4","5","2","7","1") = "6"
    & skf21("7","6","1","4","5","3","1","1") = "6"
    & skf21("7","6","1","4","5","3","2","1") = "6"
    & skf21("7","6","1","4","5","3","3","1") = "6"
    & skf21("7","6","1","4","5","3","4","1") = "6"
    & skf21("7","6","1","4","5","3","5","1") = "6"
    & skf21("7","6","1","4","5","3","6","1") = "6"
    & skf21("7","6","1","4","5","3","7","1") = "6"
    & skf21("7","6","1","4","5","4","1","1") = "6"
    & skf21("7","6","1","4","5","4","2","1") = "6"
    & skf21("7","6","1","4","5","4","3","1") = "6"
    & skf21("7","6","1","4","5","4","4","1") = "6"
    & skf21("7","6","1","4","5","4","5","1") = "6"
    & skf21("7","6","1","4","5","4","6","1") = "6"
    & skf21("7","6","1","4","5","4","7","1") = "6"
    & skf21("7","6","1","4","5","5","1","1") = "6"
    & skf21("7","6","1","4","5","5","2","1") = "6"
    & skf21("7","6","1","4","5","5","3","1") = "6"
    & skf21("7","6","1","4","5","5","4","1") = "6"
    & skf21("7","6","1","4","5","5","5","1") = "6"
    & skf21("7","6","1","4","5","5","6","1") = "6"
    & skf21("7","6","1","4","5","5","7","1") = "6"
    & skf21("7","6","1","4","5","6","1","1") = "6"
    & skf21("7","6","1","4","5","6","2","1") = "6"
    & skf21("7","6","1","4","5","6","3","1") = "6"
    & skf21("7","6","1","4","5","6","4","1") = "6"
    & skf21("7","6","1","4","5","6","5","1") = "6"
    & skf21("7","6","1","4","5","6","6","1") = "6"
    & skf21("7","6","1","4","5","6","7","1") = "6"
    & skf21("7","6","1","4","5","7","1","1") = "6"
    & skf21("7","6","1","4","5","7","2","1") = "6"
    & skf21("7","6","1","4","5","7","3","1") = "6"
    & skf21("7","6","1","4","5","7","4","1") = "6"
    & skf21("7","6","1","4","5","7","5","1") = "6"
    & skf21("7","6","1","4","5","7","6","1") = "6"
    & skf21("7","6","1","4","5","7","7","1") = "6"
    & skf21("7","6","1","4","6","1","1","1") = "6"
    & skf21("7","6","1","4","6","1","2","1") = "6"
    & skf21("7","6","1","4","6","1","3","1") = "6"
    & skf21("7","6","1","4","6","1","4","1") = "6"
    & skf21("7","6","1","4","6","1","5","1") = "6"
    & skf21("7","6","1","4","6","1","6","1") = "6"
    & skf21("7","6","1","4","6","1","7","1") = "6"
    & skf21("7","6","1","4","6","2","1","1") = "6"
    & skf21("7","6","1","4","6","2","2","1") = "6"
    & skf21("7","6","1","4","6","2","3","1") = "6"
    & skf21("7","6","1","4","6","2","4","1") = "6"
    & skf21("7","6","1","4","6","2","5","1") = "6"
    & skf21("7","6","1","4","6","2","6","1") = "6"
    & skf21("7","6","1","4","6","2","7","1") = "6"
    & skf21("7","6","1","4","6","3","1","1") = "6"
    & skf21("7","6","1","4","6","3","2","1") = "6"
    & skf21("7","6","1","4","6","3","3","1") = "6"
    & skf21("7","6","1","4","6","3","4","1") = "6"
    & skf21("7","6","1","4","6","3","5","1") = "6"
    & skf21("7","6","1","4","6","3","6","1") = "6"
    & skf21("7","6","1","4","6","3","7","1") = "6"
    & skf21("7","6","1","4","6","4","1","1") = "6"
    & skf21("7","6","1","4","6","4","2","1") = "6"
    & skf21("7","6","1","4","6","4","3","1") = "6"
    & skf21("7","6","1","4","6","4","4","1") = "6"
    & skf21("7","6","1","4","6","4","5","1") = "6"
    & skf21("7","6","1","4","6","4","6","1") = "6"
    & skf21("7","6","1","4","6","4","7","1") = "6"
    & skf21("7","6","1","4","6","5","1","1") = "6"
    & skf21("7","6","1","4","6","5","2","1") = "6"
    & skf21("7","6","1","4","6","5","3","1") = "6"
    & skf21("7","6","1","4","6","5","4","1") = "6"
    & skf21("7","6","1","4","6","5","5","1") = "6"
    & skf21("7","6","1","4","6","5","6","1") = "6"
    & skf21("7","6","1","4","6","5","7","1") = "6"
    & skf21("7","6","1","4","6","6","1","1") = "6"
    & skf21("7","6","1","4","6","6","2","1") = "6"
    & skf21("7","6","1","4","6","6","3","1") = "6"
    & skf21("7","6","1","4","6","6","4","1") = "6"
    & skf21("7","6","1","4","6","6","5","1") = "6"
    & skf21("7","6","1","4","6","6","6","1") = "6"
    & skf21("7","6","1","4","6","6","7","1") = "6"
    & skf21("7","6","1","4","6","7","1","1") = "6"
    & skf21("7","6","1","4","6","7","2","1") = "6"
    & skf21("7","6","1","4","6","7","3","1") = "6"
    & skf21("7","6","1","4","6","7","4","1") = "6"
    & skf21("7","6","1","4","6","7","5","1") = "6"
    & skf21("7","6","1","4","6","7","6","1") = "6"
    & skf21("7","6","1","4","6","7","7","1") = "6"
    & skf21("7","6","1","4","7","1","1","1") = "6"
    & skf21("7","6","1","4","7","1","2","1") = "6"
    & skf21("7","6","1","4","7","1","3","1") = "6"
    & skf21("7","6","1","4","7","1","4","1") = "6"
    & skf21("7","6","1","4","7","1","5","1") = "6"
    & skf21("7","6","1","4","7","1","6","1") = "6"
    & skf21("7","6","1","4","7","1","7","1") = "6"
    & skf21("7","6","1","4","7","2","1","1") = "6"
    & skf21("7","6","1","4","7","2","2","1") = "6"
    & skf21("7","6","1","4","7","2","3","1") = "6"
    & skf21("7","6","1","4","7","2","4","1") = "6"
    & skf21("7","6","1","4","7","2","5","1") = "6"
    & skf21("7","6","1","4","7","2","6","1") = "6"
    & skf21("7","6","1","4","7","2","7","1") = "6"
    & skf21("7","6","1","4","7","3","1","1") = "6"
    & skf21("7","6","1","4","7","3","2","1") = "6"
    & skf21("7","6","1","4","7","3","3","1") = "6"
    & skf21("7","6","1","4","7","3","4","1") = "6"
    & skf21("7","6","1","4","7","3","5","1") = "6"
    & skf21("7","6","1","4","7","3","6","1") = "6"
    & skf21("7","6","1","4","7","3","7","1") = "6"
    & skf21("7","6","1","4","7","4","1","1") = "6"
    & skf21("7","6","1","4","7","4","2","1") = "6"
    & skf21("7","6","1","4","7","4","3","1") = "6"
    & skf21("7","6","1","4","7","4","4","1") = "6"
    & skf21("7","6","1","4","7","4","5","1") = "6"
    & skf21("7","6","1","4","7","4","6","1") = "6"
    & skf21("7","6","1","4","7","4","7","1") = "6"
    & skf21("7","6","1","4","7","5","1","1") = "6"
    & skf21("7","6","1","4","7","5","2","1") = "6"
    & skf21("7","6","1","4","7","5","3","1") = "6"
    & skf21("7","6","1","4","7","5","4","1") = "6"
    & skf21("7","6","1","4","7","5","5","1") = "6"
    & skf21("7","6","1","4","7","5","6","1") = "6"
    & skf21("7","6","1","4","7","5","7","1") = "6"
    & skf21("7","6","1","4","7","6","1","1") = "6"
    & skf21("7","6","1","4","7","6","2","1") = "6"
    & skf21("7","6","1","4","7","6","3","1") = "6"
    & skf21("7","6","1","4","7","6","4","1") = "6"
    & skf21("7","6","1","4","7","6","5","1") = "6"
    & skf21("7","6","1","4","7","6","6","1") = "6"
    & skf21("7","6","1","4","7","6","7","1") = "6"
    & skf21("7","6","1","4","7","7","1","1") = "6"
    & skf21("7","6","1","4","7","7","2","1") = "6"
    & skf21("7","6","1","4","7","7","3","1") = "6"
    & skf21("7","6","1","4","7","7","4","1") = "6"
    & skf21("7","6","1","4","7","7","5","1") = "6"
    & skf21("7","6","1","4","7","7","6","1") = "6"
    & skf21("7","6","1","4","7","7","7","1") = "6"
    & skf21("7","6","1","5","1","1","1","1") = "6"
    & skf21("7","6","1","5","1","1","2","1") = "6"
    & skf21("7","6","1","5","1","1","3","1") = "6"
    & skf21("7","6","1","5","1","1","4","1") = "6"
    & skf21("7","6","1","5","1","1","5","1") = "6"
    & skf21("7","6","1","5","1","1","6","1") = "6"
    & skf21("7","6","1","5","1","1","7","1") = "6"
    & skf21("7","6","1","5","1","2","1","1") = "6"
    & skf21("7","6","1","5","1","2","2","1") = "6"
    & skf21("7","6","1","5","1","2","3","1") = "6"
    & skf21("7","6","1","5","1","2","4","1") = "6"
    & skf21("7","6","1","5","1","2","5","1") = "6"
    & skf21("7","6","1","5","1","2","6","1") = "6"
    & skf21("7","6","1","5","1","2","7","1") = "6"
    & skf21("7","6","1","5","1","3","1","1") = "6"
    & skf21("7","6","1","5","1","3","2","1") = "6"
    & skf21("7","6","1","5","1","3","3","1") = "6"
    & skf21("7","6","1","5","1","3","4","1") = "6"
    & skf21("7","6","1","5","1","3","5","1") = "6"
    & skf21("7","6","1","5","1","3","6","1") = "6"
    & skf21("7","6","1","5","1","3","7","1") = "6"
    & skf21("7","6","1","5","1","4","1","1") = "6"
    & skf21("7","6","1","5","1","4","2","1") = "6"
    & skf21("7","6","1","5","1","4","3","1") = "6"
    & skf21("7","6","1","5","1","4","4","1") = "6"
    & skf21("7","6","1","5","1","4","5","1") = "6"
    & skf21("7","6","1","5","1","4","6","1") = "6"
    & skf21("7","6","1","5","1","4","7","1") = "6"
    & skf21("7","6","1","5","1","5","1","1") = "6"
    & skf21("7","6","1","5","1","5","2","1") = "6"
    & skf21("7","6","1","5","1","5","3","1") = "6"
    & skf21("7","6","1","5","1","5","4","1") = "6"
    & skf21("7","6","1","5","1","5","5","1") = "6"
    & skf21("7","6","1","5","1","5","6","1") = "6"
    & skf21("7","6","1","5","1","5","7","1") = "6"
    & skf21("7","6","1","5","1","6","1","1") = "6"
    & skf21("7","6","1","5","1","6","2","1") = "6"
    & skf21("7","6","1","5","1","6","3","1") = "6"
    & skf21("7","6","1","5","1","6","4","1") = "6"
    & skf21("7","6","1","5","1","6","5","1") = "6"
    & skf21("7","6","1","5","1","6","6","1") = "6"
    & skf21("7","6","1","5","1","6","7","1") = "6"
    & skf21("7","6","1","5","1","7","1","1") = "6"
    & skf21("7","6","1","5","1","7","2","1") = "6"
    & skf21("7","6","1","5","1","7","3","1") = "6"
    & skf21("7","6","1","5","1","7","4","1") = "6"
    & skf21("7","6","1","5","1","7","5","1") = "6"
    & skf21("7","6","1","5","1","7","6","1") = "6"
    & skf21("7","6","1","5","1","7","7","1") = "6"
    & skf21("7","6","1","5","2","1","1","1") = "6"
    & skf21("7","6","1","5","2","1","2","1") = "6"
    & skf21("7","6","1","5","2","1","3","1") = "6"
    & skf21("7","6","1","5","2","1","4","1") = "6"
    & skf21("7","6","1","5","2","1","5","1") = "6"
    & skf21("7","6","1","5","2","1","6","1") = "6"
    & skf21("7","6","1","5","2","1","7","1") = "6"
    & skf21("7","6","1","5","2","2","1","1") = "6"
    & skf21("7","6","1","5","2","2","2","1") = "6"
    & skf21("7","6","1","5","2","2","3","1") = "6"
    & skf21("7","6","1","5","2","2","4","1") = "6"
    & skf21("7","6","1","5","2","2","5","1") = "6"
    & skf21("7","6","1","5","2","2","6","1") = "6"
    & skf21("7","6","1","5","2","2","7","1") = "6"
    & skf21("7","6","1","5","2","3","1","1") = "6"
    & skf21("7","6","1","5","2","3","2","1") = "6"
    & skf21("7","6","1","5","2","3","3","1") = "6"
    & skf21("7","6","1","5","2","3","4","1") = "6"
    & skf21("7","6","1","5","2","3","5","1") = "6"
    & skf21("7","6","1","5","2","3","6","1") = "6"
    & skf21("7","6","1","5","2","3","7","1") = "6"
    & skf21("7","6","1","5","2","4","1","1") = "6"
    & skf21("7","6","1","5","2","4","2","1") = "6"
    & skf21("7","6","1","5","2","4","3","1") = "6"
    & skf21("7","6","1","5","2","4","4","1") = "6"
    & skf21("7","6","1","5","2","4","5","1") = "6"
    & skf21("7","6","1","5","2","4","6","1") = "6"
    & skf21("7","6","1","5","2","4","7","1") = "6"
    & skf21("7","6","1","5","2","5","1","1") = "6"
    & skf21("7","6","1","5","2","5","2","1") = "6"
    & skf21("7","6","1","5","2","5","3","1") = "6"
    & skf21("7","6","1","5","2","5","4","1") = "6"
    & skf21("7","6","1","5","2","5","5","1") = "6"
    & skf21("7","6","1","5","2","5","6","1") = "6"
    & skf21("7","6","1","5","2","5","7","1") = "6"
    & skf21("7","6","1","5","2","6","1","1") = "6"
    & skf21("7","6","1","5","2","6","2","1") = "6"
    & skf21("7","6","1","5","2","6","3","1") = "6"
    & skf21("7","6","1","5","2","6","4","1") = "6"
    & skf21("7","6","1","5","2","6","5","1") = "6"
    & skf21("7","6","1","5","2","6","6","1") = "6"
    & skf21("7","6","1","5","2","6","7","1") = "6"
    & skf21("7","6","1","5","2","7","1","1") = "6"
    & skf21("7","6","1","5","2","7","2","1") = "6"
    & skf21("7","6","1","5","2","7","3","1") = "6"
    & skf21("7","6","1","5","2","7","4","1") = "6"
    & skf21("7","6","1","5","2","7","5","1") = "6"
    & skf21("7","6","1","5","2","7","6","1") = "6"
    & skf21("7","6","1","5","2","7","7","1") = "6"
    & skf21("7","6","1","5","3","1","1","1") = "6"
    & skf21("7","6","1","5","3","1","2","1") = "6"
    & skf21("7","6","1","5","3","1","3","1") = "6"
    & skf21("7","6","1","5","3","1","4","1") = "6"
    & skf21("7","6","1","5","3","1","5","1") = "6"
    & skf21("7","6","1","5","3","1","6","1") = "6"
    & skf21("7","6","1","5","3","1","7","1") = "6"
    & skf21("7","6","1","5","3","2","1","1") = "6"
    & skf21("7","6","1","5","3","2","2","1") = "6"
    & skf21("7","6","1","5","3","2","3","1") = "6"
    & skf21("7","6","1","5","3","2","4","1") = "6"
    & skf21("7","6","1","5","3","2","5","1") = "6"
    & skf21("7","6","1","5","3","2","6","1") = "6"
    & skf21("7","6","1","5","3","2","7","1") = "6"
    & skf21("7","6","1","5","3","3","1","1") = "6"
    & skf21("7","6","1","5","3","3","2","1") = "6"
    & skf21("7","6","1","5","3","3","3","1") = "6"
    & skf21("7","6","1","5","3","3","4","1") = "6"
    & skf21("7","6","1","5","3","3","5","1") = "6"
    & skf21("7","6","1","5","3","3","6","1") = "6"
    & skf21("7","6","1","5","3","3","7","1") = "6"
    & skf21("7","6","1","5","3","4","1","1") = "6"
    & skf21("7","6","1","5","3","4","2","1") = "6"
    & skf21("7","6","1","5","3","4","3","1") = "6"
    & skf21("7","6","1","5","3","4","4","1") = "6"
    & skf21("7","6","1","5","3","4","5","1") = "6"
    & skf21("7","6","1","5","3","4","6","1") = "6"
    & skf21("7","6","1","5","3","4","7","1") = "6"
    & skf21("7","6","1","5","3","5","1","1") = "6"
    & skf21("7","6","1","5","3","5","2","1") = "6"
    & skf21("7","6","1","5","3","5","3","1") = "6"
    & skf21("7","6","1","5","3","5","4","1") = "6"
    & skf21("7","6","1","5","3","5","5","1") = "6"
    & skf21("7","6","1","5","3","5","6","1") = "6"
    & skf21("7","6","1","5","3","5","7","1") = "6"
    & skf21("7","6","1","5","3","6","1","1") = "6"
    & skf21("7","6","1","5","3","6","2","1") = "6"
    & skf21("7","6","1","5","3","6","3","1") = "6"
    & skf21("7","6","1","5","3","6","4","1") = "6"
    & skf21("7","6","1","5","3","6","5","1") = "6"
    & skf21("7","6","1","5","3","6","6","1") = "6"
    & skf21("7","6","1","5","3","6","7","1") = "6"
    & skf21("7","6","1","5","3","7","1","1") = "6"
    & skf21("7","6","1","5","3","7","2","1") = "6"
    & skf21("7","6","1","5","3","7","3","1") = "6"
    & skf21("7","6","1","5","3","7","4","1") = "6"
    & skf21("7","6","1","5","3","7","5","1") = "6"
    & skf21("7","6","1","5","3","7","6","1") = "6"
    & skf21("7","6","1","5","3","7","7","1") = "6"
    & skf21("7","6","1","5","4","1","1","1") = "6"
    & skf21("7","6","1","5","4","1","2","1") = "6"
    & skf21("7","6","1","5","4","1","3","1") = "6"
    & skf21("7","6","1","5","4","1","4","1") = "6"
    & skf21("7","6","1","5","4","1","5","1") = "6"
    & skf21("7","6","1","5","4","1","6","1") = "6"
    & skf21("7","6","1","5","4","1","7","1") = "6"
    & skf21("7","6","1","5","4","2","1","1") = "6"
    & skf21("7","6","1","5","4","2","2","1") = "6"
    & skf21("7","6","1","5","4","2","3","1") = "6"
    & skf21("7","6","1","5","4","2","4","1") = "6"
    & skf21("7","6","1","5","4","2","5","1") = "6"
    & skf21("7","6","1","5","4","2","6","1") = "6"
    & skf21("7","6","1","5","4","2","7","1") = "6"
    & skf21("7","6","1","5","4","3","1","1") = "6"
    & skf21("7","6","1","5","4","3","2","1") = "6"
    & skf21("7","6","1","5","4","3","3","1") = "6"
    & skf21("7","6","1","5","4","3","4","1") = "6"
    & skf21("7","6","1","5","4","3","5","1") = "6"
    & skf21("7","6","1","5","4","3","6","1") = "6"
    & skf21("7","6","1","5","4","3","7","1") = "6"
    & skf21("7","6","1","5","4","4","1","1") = "6"
    & skf21("7","6","1","5","4","4","2","1") = "6"
    & skf21("7","6","1","5","4","4","3","1") = "6"
    & skf21("7","6","1","5","4","4","4","1") = "6"
    & skf21("7","6","1","5","4","4","5","1") = "6"
    & skf21("7","6","1","5","4","4","6","1") = "6"
    & skf21("7","6","1","5","4","4","7","1") = "6"
    & skf21("7","6","1","5","4","5","1","1") = "6"
    & skf21("7","6","1","5","4","5","2","1") = "6"
    & skf21("7","6","1","5","4","5","3","1") = "6"
    & skf21("7","6","1","5","4","5","4","1") = "6"
    & skf21("7","6","1","5","4","5","5","1") = "6"
    & skf21("7","6","1","5","4","5","6","1") = "6"
    & skf21("7","6","1","5","4","5","7","1") = "6"
    & skf21("7","6","1","5","4","6","1","1") = "6"
    & skf21("7","6","1","5","4","6","2","1") = "6"
    & skf21("7","6","1","5","4","6","3","1") = "6"
    & skf21("7","6","1","5","4","6","4","1") = "6"
    & skf21("7","6","1","5","4","6","5","1") = "6"
    & skf21("7","6","1","5","4","6","6","1") = "6"
    & skf21("7","6","1","5","4","6","7","1") = "6"
    & skf21("7","6","1","5","4","7","1","1") = "6"
    & skf21("7","6","1","5","4","7","2","1") = "6"
    & skf21("7","6","1","5","4","7","3","1") = "6"
    & skf21("7","6","1","5","4","7","4","1") = "6"
    & skf21("7","6","1","5","4","7","5","1") = "6"
    & skf21("7","6","1","5","4","7","6","1") = "6"
    & skf21("7","6","1","5","4","7","7","1") = "6"
    & skf21("7","6","1","5","5","1","1","1") = "6"
    & skf21("7","6","1","5","5","1","2","1") = "6"
    & skf21("7","6","1","5","5","1","3","1") = "6"
    & skf21("7","6","1","5","5","1","4","1") = "6"
    & skf21("7","6","1","5","5","1","5","1") = "6"
    & skf21("7","6","1","5","5","1","6","1") = "6"
    & skf21("7","6","1","5","5","1","7","1") = "6"
    & skf21("7","6","1","5","5","2","1","1") = "6"
    & skf21("7","6","1","5","5","2","2","1") = "6"
    & skf21("7","6","1","5","5","2","3","1") = "6"
    & skf21("7","6","1","5","5","2","4","1") = "6"
    & skf21("7","6","1","5","5","2","5","1") = "6"
    & skf21("7","6","1","5","5","2","6","1") = "6"
    & skf21("7","6","1","5","5","2","7","1") = "6"
    & skf21("7","6","1","5","5","3","1","1") = "6"
    & skf21("7","6","1","5","5","3","2","1") = "6"
    & skf21("7","6","1","5","5","3","3","1") = "6"
    & skf21("7","6","1","5","5","3","4","1") = "6"
    & skf21("7","6","1","5","5","3","5","1") = "6"
    & skf21("7","6","1","5","5","3","6","1") = "6"
    & skf21("7","6","1","5","5","3","7","1") = "6"
    & skf21("7","6","1","5","5","4","1","1") = "6"
    & skf21("7","6","1","5","5","4","2","1") = "6"
    & skf21("7","6","1","5","5","4","3","1") = "6"
    & skf21("7","6","1","5","5","4","4","1") = "6"
    & skf21("7","6","1","5","5","4","5","1") = "6"
    & skf21("7","6","1","5","5","4","6","1") = "6"
    & skf21("7","6","1","5","5","4","7","1") = "6"
    & skf21("7","6","1","5","5","5","1","1") = "6"
    & skf21("7","6","1","5","5","5","2","1") = "6"
    & skf21("7","6","1","5","5","5","3","1") = "6"
    & skf21("7","6","1","5","5","5","4","1") = "6"
    & skf21("7","6","1","5","5","5","5","1") = "6"
    & skf21("7","6","1","5","5","5","6","1") = "6"
    & skf21("7","6","1","5","5","5","7","1") = "6"
    & skf21("7","6","1","5","5","6","1","1") = "6"
    & skf21("7","6","1","5","5","6","2","1") = "6"
    & skf21("7","6","1","5","5","6","3","1") = "6"
    & skf21("7","6","1","5","5","6","4","1") = "6"
    & skf21("7","6","1","5","5","6","5","1") = "6"
    & skf21("7","6","1","5","5","6","6","1") = "6"
    & skf21("7","6","1","5","5","6","7","1") = "6"
    & skf21("7","6","1","5","5","7","1","1") = "6"
    & skf21("7","6","1","5","5","7","2","1") = "6"
    & skf21("7","6","1","5","5","7","3","1") = "6"
    & skf21("7","6","1","5","5","7","4","1") = "6"
    & skf21("7","6","1","5","5","7","5","1") = "6"
    & skf21("7","6","1","5","5","7","6","1") = "6"
    & skf21("7","6","1","5","5","7","7","1") = "6"
    & skf21("7","6","1","5","6","1","1","1") = "6"
    & skf21("7","6","1","5","6","1","2","1") = "6"
    & skf21("7","6","1","5","6","1","3","1") = "6"
    & skf21("7","6","1","5","6","1","4","1") = "6"
    & skf21("7","6","1","5","6","1","5","1") = "6"
    & skf21("7","6","1","5","6","1","6","1") = "6"
    & skf21("7","6","1","5","6","1","7","1") = "6"
    & skf21("7","6","1","5","6","2","1","1") = "6"
    & skf21("7","6","1","5","6","2","2","1") = "6"
    & skf21("7","6","1","5","6","2","3","1") = "6"
    & skf21("7","6","1","5","6","2","4","1") = "6"
    & skf21("7","6","1","5","6","2","5","1") = "6"
    & skf21("7","6","1","5","6","2","6","1") = "6"
    & skf21("7","6","1","5","6","2","7","1") = "6"
    & skf21("7","6","1","5","6","3","1","1") = "6"
    & skf21("7","6","1","5","6","3","2","1") = "6"
    & skf21("7","6","1","5","6","3","3","1") = "6"
    & skf21("7","6","1","5","6","3","4","1") = "6"
    & skf21("7","6","1","5","6","3","5","1") = "6"
    & skf21("7","6","1","5","6","3","6","1") = "6"
    & skf21("7","6","1","5","6","3","7","1") = "6"
    & skf21("7","6","1","5","6","4","1","1") = "6"
    & skf21("7","6","1","5","6","4","2","1") = "6"
    & skf21("7","6","1","5","6","4","3","1") = "6"
    & skf21("7","6","1","5","6","4","4","1") = "6"
    & skf21("7","6","1","5","6","4","5","1") = "6"
    & skf21("7","6","1","5","6","4","6","1") = "6"
    & skf21("7","6","1","5","6","4","7","1") = "6"
    & skf21("7","6","1","5","6","5","1","1") = "6"
    & skf21("7","6","1","5","6","5","2","1") = "6"
    & skf21("7","6","1","5","6","5","3","1") = "6"
    & skf21("7","6","1","5","6","5","4","1") = "6"
    & skf21("7","6","1","5","6","5","5","1") = "6"
    & skf21("7","6","1","5","6","5","6","1") = "6"
    & skf21("7","6","1","5","6","5","7","1") = "6"
    & skf21("7","6","1","5","6","6","1","1") = "6"
    & skf21("7","6","1","5","6","6","2","1") = "6"
    & skf21("7","6","1","5","6","6","3","1") = "6"
    & skf21("7","6","1","5","6","6","4","1") = "6"
    & skf21("7","6","1","5","6","6","5","1") = "6"
    & skf21("7","6","1","5","6","6","6","1") = "6"
    & skf21("7","6","1","5","6","6","7","1") = "6"
    & skf21("7","6","1","5","6","7","1","1") = "6"
    & skf21("7","6","1","5","6","7","2","1") = "6"
    & skf21("7","6","1","5","6","7","3","1") = "6"
    & skf21("7","6","1","5","6","7","4","1") = "6"
    & skf21("7","6","1","5","6","7","5","1") = "6"
    & skf21("7","6","1","5","6","7","6","1") = "6"
    & skf21("7","6","1","5","6","7","7","1") = "6"
    & skf21("7","6","1","5","7","1","1","1") = "6"
    & skf21("7","6","1","5","7","1","2","1") = "6"
    & skf21("7","6","1","5","7","1","3","1") = "6"
    & skf21("7","6","1","5","7","1","4","1") = "6"
    & skf21("7","6","1","5","7","1","5","1") = "6"
    & skf21("7","6","1","5","7","1","6","1") = "6"
    & skf21("7","6","1","5","7","1","7","1") = "6"
    & skf21("7","6","1","5","7","2","1","1") = "6"
    & skf21("7","6","1","5","7","2","2","1") = "6"
    & skf21("7","6","1","5","7","2","3","1") = "6"
    & skf21("7","6","1","5","7","2","4","1") = "6"
    & skf21("7","6","1","5","7","2","5","1") = "6"
    & skf21("7","6","1","5","7","2","6","1") = "6"
    & skf21("7","6","1","5","7","2","7","1") = "6"
    & skf21("7","6","1","5","7","3","1","1") = "6"
    & skf21("7","6","1","5","7","3","2","1") = "6"
    & skf21("7","6","1","5","7","3","3","1") = "6"
    & skf21("7","6","1","5","7","3","4","1") = "6"
    & skf21("7","6","1","5","7","3","5","1") = "6"
    & skf21("7","6","1","5","7","3","6","1") = "6"
    & skf21("7","6","1","5","7","3","7","1") = "6"
    & skf21("7","6","1","5","7","4","1","1") = "6"
    & skf21("7","6","1","5","7","4","2","1") = "6"
    & skf21("7","6","1","5","7","4","3","1") = "6"
    & skf21("7","6","1","5","7","4","4","1") = "6"
    & skf21("7","6","1","5","7","4","5","1") = "6"
    & skf21("7","6","1","5","7","4","6","1") = "6"
    & skf21("7","6","1","5","7","4","7","1") = "6"
    & skf21("7","6","1","5","7","5","1","1") = "6"
    & skf21("7","6","1","5","7","5","2","1") = "6"
    & skf21("7","6","1","5","7","5","3","1") = "6"
    & skf21("7","6","1","5","7","5","4","1") = "6"
    & skf21("7","6","1","5","7","5","5","1") = "6"
    & skf21("7","6","1","5","7","5","6","1") = "6"
    & skf21("7","6","1","5","7","5","7","1") = "6"
    & skf21("7","6","1","5","7","6","1","1") = "6"
    & skf21("7","6","1","5","7","6","2","1") = "6"
    & skf21("7","6","1","5","7","6","3","1") = "6"
    & skf21("7","6","1","5","7","6","4","1") = "6"
    & skf21("7","6","1","5","7","6","5","1") = "6"
    & skf21("7","6","1","5","7","6","6","1") = "6"
    & skf21("7","6","1","5","7","6","7","1") = "6"
    & skf21("7","6","1","5","7","7","1","1") = "6"
    & skf21("7","6","1","5","7","7","2","1") = "6"
    & skf21("7","6","1","5","7","7","3","1") = "6"
    & skf21("7","6","1","5","7","7","4","1") = "6"
    & skf21("7","6","1","5","7","7","5","1") = "6"
    & skf21("7","6","1","5","7","7","6","1") = "6"
    & skf21("7","6","1","5","7","7","7","1") = "6"
    & skf21("7","6","1","6","1","1","1","1") = "6"
    & skf21("7","6","1","6","1","1","2","1") = "6"
    & skf21("7","6","1","6","1","1","3","1") = "6"
    & skf21("7","6","1","6","1","1","4","1") = "6"
    & skf21("7","6","1","6","1","1","5","1") = "6"
    & skf21("7","6","1","6","1","1","6","1") = "6"
    & skf21("7","6","1","6","1","1","7","1") = "6"
    & skf21("7","6","1","6","1","2","1","1") = "6"
    & skf21("7","6","1","6","1","2","2","1") = "6"
    & skf21("7","6","1","6","1","2","3","1") = "6"
    & skf21("7","6","1","6","1","2","4","1") = "6"
    & skf21("7","6","1","6","1","2","5","1") = "6"
    & skf21("7","6","1","6","1","2","6","1") = "6"
    & skf21("7","6","1","6","1","2","7","1") = "6"
    & skf21("7","6","1","6","1","3","1","1") = "6"
    & skf21("7","6","1","6","1","3","2","1") = "6"
    & skf21("7","6","1","6","1","3","3","1") = "6"
    & skf21("7","6","1","6","1","3","4","1") = "6"
    & skf21("7","6","1","6","1","3","5","1") = "6"
    & skf21("7","6","1","6","1","3","6","1") = "6"
    & skf21("7","6","1","6","1","3","7","1") = "6"
    & skf21("7","6","1","6","1","4","1","1") = "6"
    & skf21("7","6","1","6","1","4","2","1") = "6"
    & skf21("7","6","1","6","1","4","3","1") = "6"
    & skf21("7","6","1","6","1","4","4","1") = "6"
    & skf21("7","6","1","6","1","4","5","1") = "6"
    & skf21("7","6","1","6","1","4","6","1") = "6"
    & skf21("7","6","1","6","1","4","7","1") = "6"
    & skf21("7","6","1","6","1","5","1","1") = "6"
    & skf21("7","6","1","6","1","5","2","1") = "6"
    & skf21("7","6","1","6","1","5","3","1") = "6"
    & skf21("7","6","1","6","1","5","4","1") = "6"
    & skf21("7","6","1","6","1","5","5","1") = "6"
    & skf21("7","6","1","6","1","5","6","1") = "6"
    & skf21("7","6","1","6","1","5","7","1") = "6"
    & skf21("7","6","1","6","1","6","1","1") = "6"
    & skf21("7","6","1","6","1","6","2","1") = "6"
    & skf21("7","6","1","6","1","6","3","1") = "6"
    & skf21("7","6","1","6","1","6","4","1") = "6"
    & skf21("7","6","1","6","1","6","5","1") = "6"
    & skf21("7","6","1","6","1","6","6","1") = "6"
    & skf21("7","6","1","6","1","6","7","1") = "6"
    & skf21("7","6","1","6","1","7","1","1") = "6"
    & skf21("7","6","1","6","1","7","2","1") = "6"
    & skf21("7","6","1","6","1","7","3","1") = "6"
    & skf21("7","6","1","6","1","7","4","1") = "6"
    & skf21("7","6","1","6","1","7","5","1") = "6"
    & skf21("7","6","1","6","1","7","6","1") = "6"
    & skf21("7","6","1","6","1","7","7","1") = "6"
    & skf21("7","6","1","6","2","1","1","1") = "6"
    & skf21("7","6","1","6","2","1","2","1") = "6"
    & skf21("7","6","1","6","2","1","3","1") = "6"
    & skf21("7","6","1","6","2","1","4","1") = "6"
    & skf21("7","6","1","6","2","1","5","1") = "6"
    & skf21("7","6","1","6","2","1","6","1") = "6"
    & skf21("7","6","1","6","2","1","7","1") = "6"
    & skf21("7","6","1","6","2","2","1","1") = "6"
    & skf21("7","6","1","6","2","2","2","1") = "6"
    & skf21("7","6","1","6","2","2","3","1") = "6"
    & skf21("7","6","1","6","2","2","4","1") = "6"
    & skf21("7","6","1","6","2","2","5","1") = "6"
    & skf21("7","6","1","6","2","2","6","1") = "6"
    & skf21("7","6","1","6","2","2","7","1") = "6"
    & skf21("7","6","1","6","2","3","1","1") = "6"
    & skf21("7","6","1","6","2","3","2","1") = "6"
    & skf21("7","6","1","6","2","3","3","1") = "6"
    & skf21("7","6","1","6","2","3","4","1") = "6"
    & skf21("7","6","1","6","2","3","5","1") = "6"
    & skf21("7","6","1","6","2","3","6","1") = "6"
    & skf21("7","6","1","6","2","3","7","1") = "6"
    & skf21("7","6","1","6","2","4","1","1") = "6"
    & skf21("7","6","1","6","2","4","2","1") = "6"
    & skf21("7","6","1","6","2","4","3","1") = "6"
    & skf21("7","6","1","6","2","4","4","1") = "6"
    & skf21("7","6","1","6","2","4","5","1") = "6"
    & skf21("7","6","1","6","2","4","6","1") = "6"
    & skf21("7","6","1","6","2","4","7","1") = "6"
    & skf21("7","6","1","6","2","5","1","1") = "6"
    & skf21("7","6","1","6","2","5","2","1") = "6"
    & skf21("7","6","1","6","2","5","3","1") = "6"
    & skf21("7","6","1","6","2","5","4","1") = "6"
    & skf21("7","6","1","6","2","5","5","1") = "6"
    & skf21("7","6","1","6","2","5","6","1") = "6"
    & skf21("7","6","1","6","2","5","7","1") = "6"
    & skf21("7","6","1","6","2","6","1","1") = "6"
    & skf21("7","6","1","6","2","6","2","1") = "6"
    & skf21("7","6","1","6","2","6","3","1") = "6"
    & skf21("7","6","1","6","2","6","4","1") = "6"
    & skf21("7","6","1","6","2","6","5","1") = "6"
    & skf21("7","6","1","6","2","6","6","1") = "6"
    & skf21("7","6","1","6","2","6","7","1") = "6"
    & skf21("7","6","1","6","2","7","1","1") = "6"
    & skf21("7","6","1","6","2","7","2","1") = "6"
    & skf21("7","6","1","6","2","7","3","1") = "6"
    & skf21("7","6","1","6","2","7","4","1") = "6"
    & skf21("7","6","1","6","2","7","5","1") = "6"
    & skf21("7","6","1","6","2","7","6","1") = "6"
    & skf21("7","6","1","6","2","7","7","1") = "6"
    & skf21("7","6","1","6","3","1","1","1") = "6"
    & skf21("7","6","1","6","3","1","2","1") = "6"
    & skf21("7","6","1","6","3","1","3","1") = "6"
    & skf21("7","6","1","6","3","1","4","1") = "6"
    & skf21("7","6","1","6","3","1","5","1") = "6"
    & skf21("7","6","1","6","3","1","6","1") = "6"
    & skf21("7","6","1","6","3","1","7","1") = "6"
    & skf21("7","6","1","6","3","2","1","1") = "6"
    & skf21("7","6","1","6","3","2","2","1") = "6"
    & skf21("7","6","1","6","3","2","3","1") = "6"
    & skf21("7","6","1","6","3","2","4","1") = "6"
    & skf21("7","6","1","6","3","2","5","1") = "6"
    & skf21("7","6","1","6","3","2","6","1") = "6"
    & skf21("7","6","1","6","3","2","7","1") = "6"
    & skf21("7","6","1","6","3","3","1","1") = "6"
    & skf21("7","6","1","6","3","3","2","1") = "6"
    & skf21("7","6","1","6","3","3","3","1") = "6"
    & skf21("7","6","1","6","3","3","4","1") = "6"
    & skf21("7","6","1","6","3","3","5","1") = "6"
    & skf21("7","6","1","6","3","3","6","1") = "6"
    & skf21("7","6","1","6","3","3","7","1") = "6"
    & skf21("7","6","1","6","3","4","1","1") = "6"
    & skf21("7","6","1","6","3","4","2","1") = "6"
    & skf21("7","6","1","6","3","4","3","1") = "6"
    & skf21("7","6","1","6","3","4","4","1") = "6"
    & skf21("7","6","1","6","3","4","5","1") = "6"
    & skf21("7","6","1","6","3","4","6","1") = "6"
    & skf21("7","6","1","6","3","4","7","1") = "6"
    & skf21("7","6","1","6","3","5","1","1") = "6"
    & skf21("7","6","1","6","3","5","2","1") = "6"
    & skf21("7","6","1","6","3","5","3","1") = "6"
    & skf21("7","6","1","6","3","5","4","1") = "6"
    & skf21("7","6","1","6","3","5","5","1") = "6"
    & skf21("7","6","1","6","3","5","6","1") = "6"
    & skf21("7","6","1","6","3","5","7","1") = "6"
    & skf21("7","6","1","6","3","6","1","1") = "6"
    & skf21("7","6","1","6","3","6","2","1") = "6"
    & skf21("7","6","1","6","3","6","3","1") = "6"
    & skf21("7","6","1","6","3","6","4","1") = "6"
    & skf21("7","6","1","6","3","6","5","1") = "6"
    & skf21("7","6","1","6","3","6","6","1") = "6"
    & skf21("7","6","1","6","3","6","7","1") = "6"
    & skf21("7","6","1","6","3","7","1","1") = "6"
    & skf21("7","6","1","6","3","7","2","1") = "6"
    & skf21("7","6","1","6","3","7","3","1") = "6"
    & skf21("7","6","1","6","3","7","4","1") = "6"
    & skf21("7","6","1","6","3","7","5","1") = "6"
    & skf21("7","6","1","6","3","7","6","1") = "6"
    & skf21("7","6","1","6","3","7","7","1") = "6"
    & skf21("7","6","1","6","4","1","1","1") = "6"
    & skf21("7","6","1","6","4","1","2","1") = "6"
    & skf21("7","6","1","6","4","1","3","1") = "6"
    & skf21("7","6","1","6","4","1","4","1") = "6"
    & skf21("7","6","1","6","4","1","5","1") = "6"
    & skf21("7","6","1","6","4","1","6","1") = "6"
    & skf21("7","6","1","6","4","1","7","1") = "6"
    & skf21("7","6","1","6","4","2","1","1") = "6"
    & skf21("7","6","1","6","4","2","2","1") = "6"
    & skf21("7","6","1","6","4","2","3","1") = "6"
    & skf21("7","6","1","6","4","2","4","1") = "6"
    & skf21("7","6","1","6","4","2","5","1") = "6"
    & skf21("7","6","1","6","4","2","6","1") = "6"
    & skf21("7","6","1","6","4","2","7","1") = "6"
    & skf21("7","6","1","6","4","3","1","1") = "6"
    & skf21("7","6","1","6","4","3","2","1") = "6"
    & skf21("7","6","1","6","4","3","3","1") = "6"
    & skf21("7","6","1","6","4","3","4","1") = "6"
    & skf21("7","6","1","6","4","3","5","1") = "6"
    & skf21("7","6","1","6","4","3","6","1") = "6"
    & skf21("7","6","1","6","4","3","7","1") = "6"
    & skf21("7","6","1","6","4","4","1","1") = "6"
    & skf21("7","6","1","6","4","4","2","1") = "6"
    & skf21("7","6","1","6","4","4","3","1") = "6"
    & skf21("7","6","1","6","4","4","4","1") = "6"
    & skf21("7","6","1","6","4","4","5","1") = "6"
    & skf21("7","6","1","6","4","4","6","1") = "6"
    & skf21("7","6","1","6","4","4","7","1") = "6"
    & skf21("7","6","1","6","4","5","1","1") = "6"
    & skf21("7","6","1","6","4","5","2","1") = "6"
    & skf21("7","6","1","6","4","5","3","1") = "6"
    & skf21("7","6","1","6","4","5","4","1") = "6"
    & skf21("7","6","1","6","4","5","5","1") = "6"
    & skf21("7","6","1","6","4","5","6","1") = "6"
    & skf21("7","6","1","6","4","5","7","1") = "6"
    & skf21("7","6","1","6","4","6","1","1") = "6"
    & skf21("7","6","1","6","4","6","2","1") = "6"
    & skf21("7","6","1","6","4","6","3","1") = "6"
    & skf21("7","6","1","6","4","6","4","1") = "6"
    & skf21("7","6","1","6","4","6","5","1") = "6"
    & skf21("7","6","1","6","4","6","6","1") = "6"
    & skf21("7","6","1","6","4","6","7","1") = "6"
    & skf21("7","6","1","6","4","7","1","1") = "6"
    & skf21("7","6","1","6","4","7","2","1") = "6"
    & skf21("7","6","1","6","4","7","3","1") = "6"
    & skf21("7","6","1","6","4","7","4","1") = "6"
    & skf21("7","6","1","6","4","7","5","1") = "6"
    & skf21("7","6","1","6","4","7","6","1") = "6"
    & skf21("7","6","1","6","4","7","7","1") = "6"
    & skf21("7","6","1","6","5","1","1","1") = "6"
    & skf21("7","6","1","6","5","1","2","1") = "6"
    & skf21("7","6","1","6","5","1","3","1") = "6"
    & skf21("7","6","1","6","5","1","4","1") = "6"
    & skf21("7","6","1","6","5","1","5","1") = "6"
    & skf21("7","6","1","6","5","1","6","1") = "6"
    & skf21("7","6","1","6","5","1","7","1") = "6"
    & skf21("7","6","1","6","5","2","1","1") = "6"
    & skf21("7","6","1","6","5","2","2","1") = "6"
    & skf21("7","6","1","6","5","2","3","1") = "6"
    & skf21("7","6","1","6","5","2","4","1") = "6"
    & skf21("7","6","1","6","5","2","5","1") = "6"
    & skf21("7","6","1","6","5","2","6","1") = "6"
    & skf21("7","6","1","6","5","2","7","1") = "6"
    & skf21("7","6","1","6","5","3","1","1") = "6"
    & skf21("7","6","1","6","5","3","2","1") = "6"
    & skf21("7","6","1","6","5","3","3","1") = "6"
    & skf21("7","6","1","6","5","3","4","1") = "6"
    & skf21("7","6","1","6","5","3","5","1") = "6"
    & skf21("7","6","1","6","5","3","6","1") = "6"
    & skf21("7","6","1","6","5","3","7","1") = "6"
    & skf21("7","6","1","6","5","4","1","1") = "6"
    & skf21("7","6","1","6","5","4","2","1") = "6"
    & skf21("7","6","1","6","5","4","3","1") = "6"
    & skf21("7","6","1","6","5","4","4","1") = "6"
    & skf21("7","6","1","6","5","4","5","1") = "6"
    & skf21("7","6","1","6","5","4","6","1") = "6"
    & skf21("7","6","1","6","5","4","7","1") = "6"
    & skf21("7","6","1","6","5","5","1","1") = "6"
    & skf21("7","6","1","6","5","5","2","1") = "6"
    & skf21("7","6","1","6","5","5","3","1") = "6"
    & skf21("7","6","1","6","5","5","4","1") = "6"
    & skf21("7","6","1","6","5","5","5","1") = "6"
    & skf21("7","6","1","6","5","5","6","1") = "6"
    & skf21("7","6","1","6","5","5","7","1") = "6"
    & skf21("7","6","1","6","5","6","1","1") = "6"
    & skf21("7","6","1","6","5","6","2","1") = "6"
    & skf21("7","6","1","6","5","6","3","1") = "6"
    & skf21("7","6","1","6","5","6","4","1") = "6"
    & skf21("7","6","1","6","5","6","5","1") = "6"
    & skf21("7","6","1","6","5","6","6","1") = "6"
    & skf21("7","6","1","6","5","6","7","1") = "6"
    & skf21("7","6","1","6","5","7","1","1") = "6"
    & skf21("7","6","1","6","5","7","2","1") = "6"
    & skf21("7","6","1","6","5","7","3","1") = "6"
    & skf21("7","6","1","6","5","7","4","1") = "6"
    & skf21("7","6","1","6","5","7","5","1") = "6"
    & skf21("7","6","1","6","5","7","6","1") = "6"
    & skf21("7","6","1","6","5","7","7","1") = "6"
    & skf21("7","6","1","6","6","1","1","1") = "6"
    & skf21("7","6","1","6","6","1","2","1") = "6"
    & skf21("7","6","1","6","6","1","3","1") = "6"
    & skf21("7","6","1","6","6","1","4","1") = "6"
    & skf21("7","6","1","6","6","1","5","1") = "6"
    & skf21("7","6","1","6","6","1","6","1") = "6"
    & skf21("7","6","1","6","6","1","7","1") = "6"
    & skf21("7","6","1","6","6","2","1","1") = "6"
    & skf21("7","6","1","6","6","2","2","1") = "6"
    & skf21("7","6","1","6","6","2","3","1") = "6"
    & skf21("7","6","1","6","6","2","4","1") = "6"
    & skf21("7","6","1","6","6","2","5","1") = "6"
    & skf21("7","6","1","6","6","2","6","1") = "6"
    & skf21("7","6","1","6","6","2","7","1") = "6"
    & skf21("7","6","1","6","6","3","1","1") = "6"
    & skf21("7","6","1","6","6","3","2","1") = "6"
    & skf21("7","6","1","6","6","3","3","1") = "6"
    & skf21("7","6","1","6","6","3","4","1") = "6"
    & skf21("7","6","1","6","6","3","5","1") = "6"
    & skf21("7","6","1","6","6","3","6","1") = "6"
    & skf21("7","6","1","6","6","3","7","1") = "6"
    & skf21("7","6","1","6","6","4","1","1") = "6"
    & skf21("7","6","1","6","6","4","2","1") = "6"
    & skf21("7","6","1","6","6","4","3","1") = "6"
    & skf21("7","6","1","6","6","4","4","1") = "6"
    & skf21("7","6","1","6","6","4","5","1") = "6"
    & skf21("7","6","1","6","6","4","6","1") = "6"
    & skf21("7","6","1","6","6","4","7","1") = "6"
    & skf21("7","6","1","6","6","5","1","1") = "6"
    & skf21("7","6","1","6","6","5","2","1") = "6"
    & skf21("7","6","1","6","6","5","3","1") = "6"
    & skf21("7","6","1","6","6","5","4","1") = "6"
    & skf21("7","6","1","6","6","5","5","1") = "6"
    & skf21("7","6","1","6","6","5","6","1") = "6"
    & skf21("7","6","1","6","6","5","7","1") = "6"
    & skf21("7","6","1","6","6","6","1","1") = "6"
    & skf21("7","6","1","6","6","6","2","1") = "6"
    & skf21("7","6","1","6","6","6","3","1") = "6"
    & skf21("7","6","1","6","6","6","4","1") = "6"
    & skf21("7","6","1","6","6","6","5","1") = "6"
    & skf21("7","6","1","6","6","6","6","1") = "6"
    & skf21("7","6","1","6","6","6","7","1") = "6"
    & skf21("7","6","1","6","6","7","1","1") = "6"
    & skf21("7","6","1","6","6","7","2","1") = "6"
    & skf21("7","6","1","6","6","7","3","1") = "6"
    & skf21("7","6","1","6","6","7","4","1") = "6"
    & skf21("7","6","1","6","6","7","5","1") = "6"
    & skf21("7","6","1","6","6","7","6","1") = "6"
    & skf21("7","6","1","6","6","7","7","1") = "6"
    & skf21("7","6","1","6","7","1","1","1") = "6"
    & skf21("7","6","1","6","7","1","2","1") = "6"
    & skf21("7","6","1","6","7","1","3","1") = "6"
    & skf21("7","6","1","6","7","1","4","1") = "6"
    & skf21("7","6","1","6","7","1","5","1") = "6"
    & skf21("7","6","1","6","7","1","6","1") = "6"
    & skf21("7","6","1","6","7","1","7","1") = "6"
    & skf21("7","6","1","6","7","2","1","1") = "6"
    & skf21("7","6","1","6","7","2","2","1") = "6"
    & skf21("7","6","1","6","7","2","3","1") = "6"
    & skf21("7","6","1","6","7","2","4","1") = "6"
    & skf21("7","6","1","6","7","2","5","1") = "6"
    & skf21("7","6","1","6","7","2","6","1") = "6"
    & skf21("7","6","1","6","7","2","7","1") = "6"
    & skf21("7","6","1","6","7","3","1","1") = "6"
    & skf21("7","6","1","6","7","3","2","1") = "6"
    & skf21("7","6","1","6","7","3","3","1") = "6"
    & skf21("7","6","1","6","7","3","4","1") = "6"
    & skf21("7","6","1","6","7","3","5","1") = "6"
    & skf21("7","6","1","6","7","3","6","1") = "6"
    & skf21("7","6","1","6","7","3","7","1") = "6"
    & skf21("7","6","1","6","7","4","1","1") = "6"
    & skf21("7","6","1","6","7","4","2","1") = "6"
    & skf21("7","6","1","6","7","4","3","1") = "6"
    & skf21("7","6","1","6","7","4","4","1") = "6"
    & skf21("7","6","1","6","7","4","5","1") = "6"
    & skf21("7","6","1","6","7","4","6","1") = "6"
    & skf21("7","6","1","6","7","4","7","1") = "6"
    & skf21("7","6","1","6","7","5","1","1") = "6"
    & skf21("7","6","1","6","7","5","2","1") = "6"
    & skf21("7","6","1","6","7","5","3","1") = "6"
    & skf21("7","6","1","6","7","5","4","1") = "6"
    & skf21("7","6","1","6","7","5","5","1") = "6"
    & skf21("7","6","1","6","7","5","6","1") = "6"
    & skf21("7","6","1","6","7","5","7","1") = "6"
    & skf21("7","6","1","6","7","6","1","1") = "6"
    & skf21("7","6","1","6","7","6","2","1") = "6"
    & skf21("7","6","1","6","7","6","3","1") = "6"
    & skf21("7","6","1","6","7","6","4","1") = "6"
    & skf21("7","6","1","6","7","6","5","1") = "6"
    & skf21("7","6","1","6","7","6","6","1") = "6"
    & skf21("7","6","1","6","7","6","7","1") = "6"
    & skf21("7","6","1","6","7","7","1","1") = "6"
    & skf21("7","6","1","6","7","7","2","1") = "6"
    & skf21("7","6","1","6","7","7","3","1") = "6"
    & skf21("7","6","1","6","7","7","4","1") = "6"
    & skf21("7","6","1","6","7","7","5","1") = "6"
    & skf21("7","6","1","6","7","7","6","1") = "6"
    & skf21("7","6","1","6","7","7","7","1") = "6"
    & skf21("7","6","1","7","1","1","1","1") = "6"
    & skf21("7","6","1","7","1","1","2","1") = "6"
    & skf21("7","6","1","7","1","1","3","1") = "6"
    & skf21("7","6","1","7","1","1","4","1") = "6"
    & skf21("7","6","1","7","1","1","5","1") = "6"
    & skf21("7","6","1","7","1","1","6","1") = "6"
    & skf21("7","6","1","7","1","1","7","1") = "6"
    & skf21("7","6","1","7","1","2","1","1") = "6"
    & skf21("7","6","1","7","1","2","2","1") = "6"
    & skf21("7","6","1","7","1","2","3","1") = "6"
    & skf21("7","6","1","7","1","2","4","1") = "6"
    & skf21("7","6","1","7","1","2","5","1") = "6"
    & skf21("7","6","1","7","1","2","6","1") = "6"
    & skf21("7","6","1","7","1","2","7","1") = "6"
    & skf21("7","6","1","7","1","3","1","1") = "6"
    & skf21("7","6","1","7","1","3","2","1") = "6"
    & skf21("7","6","1","7","1","3","3","1") = "6"
    & skf21("7","6","1","7","1","3","4","1") = "6"
    & skf21("7","6","1","7","1","3","5","1") = "6"
    & skf21("7","6","1","7","1","3","6","1") = "6"
    & skf21("7","6","1","7","1","3","7","1") = "6"
    & skf21("7","6","1","7","1","4","1","1") = "6"
    & skf21("7","6","1","7","1","4","2","1") = "6"
    & skf21("7","6","1","7","1","4","3","1") = "6"
    & skf21("7","6","1","7","1","4","4","1") = "6"
    & skf21("7","6","1","7","1","4","5","1") = "6"
    & skf21("7","6","1","7","1","4","6","1") = "6"
    & skf21("7","6","1","7","1","4","7","1") = "6"
    & skf21("7","6","1","7","1","5","1","1") = "6"
    & skf21("7","6","1","7","1","5","2","1") = "6"
    & skf21("7","6","1","7","1","5","3","1") = "6"
    & skf21("7","6","1","7","1","5","4","1") = "6"
    & skf21("7","6","1","7","1","5","5","1") = "6"
    & skf21("7","6","1","7","1","5","6","1") = "6"
    & skf21("7","6","1","7","1","5","7","1") = "6"
    & skf21("7","6","1","7","1","6","1","1") = "6"
    & skf21("7","6","1","7","1","6","2","1") = "6"
    & skf21("7","6","1","7","1","6","3","1") = "6"
    & skf21("7","6","1","7","1","6","4","1") = "6"
    & skf21("7","6","1","7","1","6","5","1") = "6"
    & skf21("7","6","1","7","1","6","6","1") = "6"
    & skf21("7","6","1","7","1","6","7","1") = "6"
    & skf21("7","6","1","7","1","7","1","1") = "6"
    & skf21("7","6","1","7","1","7","2","1") = "6"
    & skf21("7","6","1","7","1","7","3","1") = "6"
    & skf21("7","6","1","7","1","7","4","1") = "6"
    & skf21("7","6","1","7","1","7","5","1") = "6"
    & skf21("7","6","1","7","1","7","6","1") = "6"
    & skf21("7","6","1","7","1","7","7","1") = "6"
    & skf21("7","6","1","7","2","1","1","1") = "6"
    & skf21("7","6","1","7","2","1","2","1") = "6"
    & skf21("7","6","1","7","2","1","3","1") = "6"
    & skf21("7","6","1","7","2","1","4","1") = "6"
    & skf21("7","6","1","7","2","1","5","1") = "6"
    & skf21("7","6","1","7","2","1","6","1") = "6"
    & skf21("7","6","1","7","2","1","7","1") = "6"
    & skf21("7","6","1","7","2","2","1","1") = "6"
    & skf21("7","6","1","7","2","2","2","1") = "6"
    & skf21("7","6","1","7","2","2","3","1") = "6"
    & skf21("7","6","1","7","2","2","4","1") = "6"
    & skf21("7","6","1","7","2","2","5","1") = "6"
    & skf21("7","6","1","7","2","2","6","1") = "6"
    & skf21("7","6","1","7","2","2","7","1") = "6"
    & skf21("7","6","1","7","2","3","1","1") = "6"
    & skf21("7","6","1","7","2","3","2","1") = "6"
    & skf21("7","6","1","7","2","3","3","1") = "6"
    & skf21("7","6","1","7","2","3","4","1") = "6"
    & skf21("7","6","1","7","2","3","5","1") = "6"
    & skf21("7","6","1","7","2","3","6","1") = "6"
    & skf21("7","6","1","7","2","3","7","1") = "6"
    & skf21("7","6","1","7","2","4","1","1") = "6"
    & skf21("7","6","1","7","2","4","2","1") = "6"
    & skf21("7","6","1","7","2","4","3","1") = "6"
    & skf21("7","6","1","7","2","4","4","1") = "6"
    & skf21("7","6","1","7","2","4","5","1") = "6"
    & skf21("7","6","1","7","2","4","6","1") = "6"
    & skf21("7","6","1","7","2","4","7","1") = "6"
    & skf21("7","6","1","7","2","5","1","1") = "6"
    & skf21("7","6","1","7","2","5","2","1") = "6"
    & skf21("7","6","1","7","2","5","3","1") = "6"
    & skf21("7","6","1","7","2","5","4","1") = "6"
    & skf21("7","6","1","7","2","5","5","1") = "6"
    & skf21("7","6","1","7","2","5","6","1") = "6"
    & skf21("7","6","1","7","2","5","7","1") = "6"
    & skf21("7","6","1","7","2","6","1","1") = "6"
    & skf21("7","6","1","7","2","6","2","1") = "6"
    & skf21("7","6","1","7","2","6","3","1") = "6"
    & skf21("7","6","1","7","2","6","4","1") = "6"
    & skf21("7","6","1","7","2","6","5","1") = "6"
    & skf21("7","6","1","7","2","6","6","1") = "6"
    & skf21("7","6","1","7","2","6","7","1") = "6"
    & skf21("7","6","1","7","2","7","1","1") = "6"
    & skf21("7","6","1","7","2","7","2","1") = "6"
    & skf21("7","6","1","7","2","7","3","1") = "6"
    & skf21("7","6","1","7","2","7","4","1") = "6"
    & skf21("7","6","1","7","2","7","5","1") = "6"
    & skf21("7","6","1","7","2","7","6","1") = "6"
    & skf21("7","6","1","7","2","7","7","1") = "6"
    & skf21("7","6","1","7","3","1","1","1") = "6"
    & skf21("7","6","1","7","3","1","2","1") = "6"
    & skf21("7","6","1","7","3","1","3","1") = "6"
    & skf21("7","6","1","7","3","1","4","1") = "6"
    & skf21("7","6","1","7","3","1","5","1") = "6"
    & skf21("7","6","1","7","3","1","6","1") = "6"
    & skf21("7","6","1","7","3","1","7","1") = "6"
    & skf21("7","6","1","7","3","2","1","1") = "6"
    & skf21("7","6","1","7","3","2","2","1") = "6"
    & skf21("7","6","1","7","3","2","3","1") = "6"
    & skf21("7","6","1","7","3","2","4","1") = "6"
    & skf21("7","6","1","7","3","2","5","1") = "6"
    & skf21("7","6","1","7","3","2","6","1") = "6"
    & skf21("7","6","1","7","3","2","7","1") = "6"
    & skf21("7","6","1","7","3","3","1","1") = "6"
    & skf21("7","6","1","7","3","3","2","1") = "6"
    & skf21("7","6","1","7","3","3","3","1") = "6"
    & skf21("7","6","1","7","3","3","4","1") = "6"
    & skf21("7","6","1","7","3","3","5","1") = "6"
    & skf21("7","6","1","7","3","3","6","1") = "6"
    & skf21("7","6","1","7","3","3","7","1") = "6"
    & skf21("7","6","1","7","3","4","1","1") = "6"
    & skf21("7","6","1","7","3","4","2","1") = "6"
    & skf21("7","6","1","7","3","4","3","1") = "6"
    & skf21("7","6","1","7","3","4","4","1") = "6"
    & skf21("7","6","1","7","3","4","5","1") = "6"
    & skf21("7","6","1","7","3","4","6","1") = "6"
    & skf21("7","6","1","7","3","4","7","1") = "6"
    & skf21("7","6","1","7","3","5","1","1") = "6"
    & skf21("7","6","1","7","3","5","2","1") = "6"
    & skf21("7","6","1","7","3","5","3","1") = "6"
    & skf21("7","6","1","7","3","5","4","1") = "6"
    & skf21("7","6","1","7","3","5","5","1") = "6"
    & skf21("7","6","1","7","3","5","6","1") = "6"
    & skf21("7","6","1","7","3","5","7","1") = "6"
    & skf21("7","6","1","7","3","6","1","1") = "6"
    & skf21("7","6","1","7","3","6","2","1") = "6"
    & skf21("7","6","1","7","3","6","3","1") = "6"
    & skf21("7","6","1","7","3","6","4","1") = "6"
    & skf21("7","6","1","7","3","6","5","1") = "6"
    & skf21("7","6","1","7","3","6","6","1") = "6"
    & skf21("7","6","1","7","3","6","7","1") = "6"
    & skf21("7","6","1","7","3","7","1","1") = "6"
    & skf21("7","6","1","7","3","7","2","1") = "6"
    & skf21("7","6","1","7","3","7","3","1") = "6"
    & skf21("7","6","1","7","3","7","4","1") = "6"
    & skf21("7","6","1","7","3","7","5","1") = "6"
    & skf21("7","6","1","7","3","7","6","1") = "6"
    & skf21("7","6","1","7","3","7","7","1") = "6"
    & skf21("7","6","1","7","4","1","1","1") = "6"
    & skf21("7","6","1","7","4","1","2","1") = "6"
    & skf21("7","6","1","7","4","1","3","1") = "6"
    & skf21("7","6","1","7","4","1","4","1") = "6"
    & skf21("7","6","1","7","4","1","5","1") = "6"
    & skf21("7","6","1","7","4","1","6","1") = "6"
    & skf21("7","6","1","7","4","1","7","1") = "6"
    & skf21("7","6","1","7","4","2","1","1") = "6"
    & skf21("7","6","1","7","4","2","2","1") = "6"
    & skf21("7","6","1","7","4","2","3","1") = "6"
    & skf21("7","6","1","7","4","2","4","1") = "6"
    & skf21("7","6","1","7","4","2","5","1") = "6"
    & skf21("7","6","1","7","4","2","6","1") = "6"
    & skf21("7","6","1","7","4","2","7","1") = "6"
    & skf21("7","6","1","7","4","3","1","1") = "6"
    & skf21("7","6","1","7","4","3","2","1") = "6"
    & skf21("7","6","1","7","4","3","3","1") = "6"
    & skf21("7","6","1","7","4","3","4","1") = "6"
    & skf21("7","6","1","7","4","3","5","1") = "6"
    & skf21("7","6","1","7","4","3","6","1") = "6"
    & skf21("7","6","1","7","4","3","7","1") = "6"
    & skf21("7","6","1","7","4","4","1","1") = "6"
    & skf21("7","6","1","7","4","4","2","1") = "6"
    & skf21("7","6","1","7","4","4","3","1") = "6"
    & skf21("7","6","1","7","4","4","4","1") = "6"
    & skf21("7","6","1","7","4","4","5","1") = "6"
    & skf21("7","6","1","7","4","4","6","1") = "6"
    & skf21("7","6","1","7","4","4","7","1") = "6"
    & skf21("7","6","1","7","4","5","1","1") = "6"
    & skf21("7","6","1","7","4","5","2","1") = "6"
    & skf21("7","6","1","7","4","5","3","1") = "6"
    & skf21("7","6","1","7","4","5","4","1") = "6"
    & skf21("7","6","1","7","4","5","5","1") = "6"
    & skf21("7","6","1","7","4","5","6","1") = "6"
    & skf21("7","6","1","7","4","5","7","1") = "6"
    & skf21("7","6","1","7","4","6","1","1") = "6"
    & skf21("7","6","1","7","4","6","2","1") = "6"
    & skf21("7","6","1","7","4","6","3","1") = "6"
    & skf21("7","6","1","7","4","6","4","1") = "6"
    & skf21("7","6","1","7","4","6","5","1") = "6"
    & skf21("7","6","1","7","4","6","6","1") = "6"
    & skf21("7","6","1","7","4","6","7","1") = "6"
    & skf21("7","6","1","7","4","7","1","1") = "6"
    & skf21("7","6","1","7","4","7","2","1") = "6"
    & skf21("7","6","1","7","4","7","3","1") = "6"
    & skf21("7","6","1","7","4","7","4","1") = "6"
    & skf21("7","6","1","7","4","7","5","1") = "6"
    & skf21("7","6","1","7","4","7","6","1") = "6"
    & skf21("7","6","1","7","4","7","7","1") = "6"
    & skf21("7","6","1","7","5","1","1","1") = "6"
    & skf21("7","6","1","7","5","1","2","1") = "6"
    & skf21("7","6","1","7","5","1","3","1") = "6"
    & skf21("7","6","1","7","5","1","4","1") = "6"
    & skf21("7","6","1","7","5","1","5","1") = "6"
    & skf21("7","6","1","7","5","1","6","1") = "6"
    & skf21("7","6","1","7","5","1","7","1") = "6"
    & skf21("7","6","1","7","5","2","1","1") = "6"
    & skf21("7","6","1","7","5","2","2","1") = "6"
    & skf21("7","6","1","7","5","2","3","1") = "6"
    & skf21("7","6","1","7","5","2","4","1") = "6"
    & skf21("7","6","1","7","5","2","5","1") = "6"
    & skf21("7","6","1","7","5","2","6","1") = "6"
    & skf21("7","6","1","7","5","2","7","1") = "6"
    & skf21("7","6","1","7","5","3","1","1") = "6"
    & skf21("7","6","1","7","5","3","2","1") = "6"
    & skf21("7","6","1","7","5","3","3","1") = "6"
    & skf21("7","6","1","7","5","3","4","1") = "6"
    & skf21("7","6","1","7","5","3","5","1") = "6"
    & skf21("7","6","1","7","5","3","6","1") = "6"
    & skf21("7","6","1","7","5","3","7","1") = "6"
    & skf21("7","6","1","7","5","4","1","1") = "6"
    & skf21("7","6","1","7","5","4","2","1") = "6"
    & skf21("7","6","1","7","5","4","3","1") = "6"
    & skf21("7","6","1","7","5","4","4","1") = "6"
    & skf21("7","6","1","7","5","4","5","1") = "6"
    & skf21("7","6","1","7","5","4","6","1") = "6"
    & skf21("7","6","1","7","5","4","7","1") = "6"
    & skf21("7","6","1","7","5","5","1","1") = "6"
    & skf21("7","6","1","7","5","5","2","1") = "6"
    & skf21("7","6","1","7","5","5","3","1") = "6"
    & skf21("7","6","1","7","5","5","4","1") = "6"
    & skf21("7","6","1","7","5","5","5","1") = "6"
    & skf21("7","6","1","7","5","5","6","1") = "6"
    & skf21("7","6","1","7","5","5","7","1") = "6"
    & skf21("7","6","1","7","5","6","1","1") = "6"
    & skf21("7","6","1","7","5","6","2","1") = "6"
    & skf21("7","6","1","7","5","6","3","1") = "6"
    & skf21("7","6","1","7","5","6","4","1") = "6"
    & skf21("7","6","1","7","5","6","5","1") = "6"
    & skf21("7","6","1","7","5","6","6","1") = "6"
    & skf21("7","6","1","7","5","6","7","1") = "6"
    & skf21("7","6","1","7","5","7","1","1") = "6"
    & skf21("7","6","1","7","5","7","2","1") = "6"
    & skf21("7","6","1","7","5","7","3","1") = "6"
    & skf21("7","6","1","7","5","7","4","1") = "6"
    & skf21("7","6","1","7","5","7","5","1") = "6"
    & skf21("7","6","1","7","5","7","6","1") = "6"
    & skf21("7","6","1","7","5","7","7","1") = "6"
    & skf21("7","6","1","7","6","1","1","1") = "6"
    & skf21("7","6","1","7","6","1","2","1") = "6"
    & skf21("7","6","1","7","6","1","3","1") = "6"
    & skf21("7","6","1","7","6","1","4","1") = "6"
    & skf21("7","6","1","7","6","1","5","1") = "6"
    & skf21("7","6","1","7","6","1","6","1") = "6"
    & skf21("7","6","1","7","6","1","7","1") = "6"
    & skf21("7","6","1","7","6","2","1","1") = "6"
    & skf21("7","6","1","7","6","2","2","1") = "6"
    & skf21("7","6","1","7","6","2","3","1") = "6"
    & skf21("7","6","1","7","6","2","4","1") = "6"
    & skf21("7","6","1","7","6","2","5","1") = "6"
    & skf21("7","6","1","7","6","2","6","1") = "6"
    & skf21("7","6","1","7","6","2","7","1") = "6"
    & skf21("7","6","1","7","6","3","1","1") = "6"
    & skf21("7","6","1","7","6","3","2","1") = "6"
    & skf21("7","6","1","7","6","3","3","1") = "6"
    & skf21("7","6","1","7","6","3","4","1") = "6"
    & skf21("7","6","1","7","6","3","5","1") = "6"
    & skf21("7","6","1","7","6","3","6","1") = "6"
    & skf21("7","6","1","7","6","3","7","1") = "6"
    & skf21("7","6","1","7","6","4","1","1") = "6"
    & skf21("7","6","1","7","6","4","2","1") = "6"
    & skf21("7","6","1","7","6","4","3","1") = "6"
    & skf21("7","6","1","7","6","4","4","1") = "6"
    & skf21("7","6","1","7","6","4","5","1") = "6"
    & skf21("7","6","1","7","6","4","6","1") = "6"
    & skf21("7","6","1","7","6","4","7","1") = "6"
    & skf21("7","6","1","7","6","5","1","1") = "6"
    & skf21("7","6","1","7","6","5","2","1") = "6"
    & skf21("7","6","1","7","6","5","3","1") = "6"
    & skf21("7","6","1","7","6","5","4","1") = "6"
    & skf21("7","6","1","7","6","5","5","1") = "6"
    & skf21("7","6","1","7","6","5","6","1") = "6"
    & skf21("7","6","1","7","6","5","7","1") = "6"
    & skf21("7","6","1","7","6","6","1","1") = "6"
    & skf21("7","6","1","7","6","6","2","1") = "6"
    & skf21("7","6","1","7","6","6","3","1") = "6"
    & skf21("7","6","1","7","6","6","4","1") = "6"
    & skf21("7","6","1","7","6","6","5","1") = "6"
    & skf21("7","6","1","7","6","6","6","1") = "6"
    & skf21("7","6","1","7","6","6","7","1") = "6"
    & skf21("7","6","1","7","6","7","1","1") = "6"
    & skf21("7","6","1","7","6","7","2","1") = "6"
    & skf21("7","6","1","7","6","7","3","1") = "6"
    & skf21("7","6","1","7","6","7","4","1") = "6"
    & skf21("7","6","1","7","6","7","5","1") = "6"
    & skf21("7","6","1","7","6","7","6","1") = "6"
    & skf21("7","6","1","7","6","7","7","1") = "6"
    & skf21("7","6","1","7","7","1","1","1") = "6"
    & skf21("7","6","1","7","7","1","2","1") = "6"
    & skf21("7","6","1","7","7","1","3","1") = "6"
    & skf21("7","6","1","7","7","1","4","1") = "6"
    & skf21("7","6","1","7","7","1","5","1") = "6"
    & skf21("7","6","1","7","7","1","6","1") = "6"
    & skf21("7","6","1","7","7","1","7","1") = "6"
    & skf21("7","6","1","7","7","2","1","1") = "6"
    & skf21("7","6","1","7","7","2","2","1") = "6"
    & skf21("7","6","1","7","7","2","3","1") = "6"
    & skf21("7","6","1","7","7","2","4","1") = "6"
    & skf21("7","6","1","7","7","2","5","1") = "6"
    & skf21("7","6","1","7","7","2","6","1") = "6"
    & skf21("7","6","1","7","7","2","7","1") = "6"
    & skf21("7","6","1","7","7","3","1","1") = "6"
    & skf21("7","6","1","7","7","3","2","1") = "6"
    & skf21("7","6","1","7","7","3","3","1") = "6"
    & skf21("7","6","1","7","7","3","4","1") = "6"
    & skf21("7","6","1","7","7","3","5","1") = "6"
    & skf21("7","6","1","7","7","3","6","1") = "6"
    & skf21("7","6","1","7","7","3","7","1") = "6"
    & skf21("7","6","1","7","7","4","1","1") = "6"
    & skf21("7","6","1","7","7","4","2","1") = "6"
    & skf21("7","6","1","7","7","4","3","1") = "6"
    & skf21("7","6","1","7","7","4","4","1") = "6"
    & skf21("7","6","1","7","7","4","5","1") = "6"
    & skf21("7","6","1","7","7","4","6","1") = "6"
    & skf21("7","6","1","7","7","4","7","1") = "6"
    & skf21("7","6","1","7","7","5","1","1") = "6"
    & skf21("7","6","1","7","7","5","2","1") = "6"
    & skf21("7","6","1","7","7","5","3","1") = "6"
    & skf21("7","6","1","7","7","5","4","1") = "6"
    & skf21("7","6","1","7","7","5","5","1") = "6"
    & skf21("7","6","1","7","7","5","6","1") = "6"
    & skf21("7","6","1","7","7","5","7","1") = "6"
    & skf21("7","6","1","7","7","6","1","1") = "6"
    & skf21("7","6","1","7","7","6","2","1") = "6"
    & skf21("7","6","1","7","7","6","3","1") = "6"
    & skf21("7","6","1","7","7","6","4","1") = "6"
    & skf21("7","6","1","7","7","6","5","1") = "6"
    & skf21("7","6","1","7","7","6","6","1") = "6"
    & skf21("7","6","1","7","7","6","7","1") = "6"
    & skf21("7","6","1","7","7","7","1","1") = "6"
    & skf21("7","6","1","7","7","7","2","1") = "6"
    & skf21("7","6","1","7","7","7","3","1") = "6"
    & skf21("7","6","1","7","7","7","4","1") = "6"
    & skf21("7","6","1","7","7","7","5","1") = "6"
    & skf21("7","6","1","7","7","7","6","1") = "6"
    & skf21("7","6","1","7","7","7","7","1") = "6"
    & skf21("7","6","2","1","1","1","1","1") = "6"
    & skf21("7","6","2","1","1","1","2","1") = "6"
    & skf21("7","6","2","1","1","1","3","1") = "6"
    & skf21("7","6","2","1","1","1","4","1") = "6"
    & skf21("7","6","2","1","1","1","5","1") = "6"
    & skf21("7","6","2","1","1","1","6","1") = "6"
    & skf21("7","6","2","1","1","1","7","1") = "6"
    & skf21("7","6","2","1","1","2","1","1") = "6"
    & skf21("7","6","2","1","1","2","2","1") = "6"
    & skf21("7","6","2","1","1","2","3","1") = "6"
    & skf21("7","6","2","1","1","2","4","1") = "6"
    & skf21("7","6","2","1","1","2","5","1") = "6"
    & skf21("7","6","2","1","1","2","6","1") = "6"
    & skf21("7","6","2","1","1","2","7","1") = "6"
    & skf21("7","6","2","1","1","3","1","1") = "6"
    & skf21("7","6","2","1","1","3","2","1") = "6"
    & skf21("7","6","2","1","1","3","3","1") = "6"
    & skf21("7","6","2","1","1","3","4","1") = "6"
    & skf21("7","6","2","1","1","3","5","1") = "6"
    & skf21("7","6","2","1","1","3","6","1") = "6"
    & skf21("7","6","2","1","1","3","7","1") = "6"
    & skf21("7","6","2","1","1","4","1","1") = "6"
    & skf21("7","6","2","1","1","4","2","1") = "6"
    & skf21("7","6","2","1","1","4","3","1") = "6"
    & skf21("7","6","2","1","1","4","4","1") = "6"
    & skf21("7","6","2","1","1","4","5","1") = "6"
    & skf21("7","6","2","1","1","4","6","1") = "6"
    & skf21("7","6","2","1","1","4","7","1") = "6"
    & skf21("7","6","2","1","1","5","1","1") = "6"
    & skf21("7","6","2","1","1","5","2","1") = "6"
    & skf21("7","6","2","1","1","5","3","1") = "6"
    & skf21("7","6","2","1","1","5","4","1") = "6"
    & skf21("7","6","2","1","1","5","5","1") = "6"
    & skf21("7","6","2","1","1","5","6","1") = "6"
    & skf21("7","6","2","1","1","5","7","1") = "6"
    & skf21("7","6","2","1","1","6","1","1") = "6"
    & skf21("7","6","2","1","1","6","2","1") = "6"
    & skf21("7","6","2","1","1","6","3","1") = "6"
    & skf21("7","6","2","1","1","6","4","1") = "6"
    & skf21("7","6","2","1","1","6","5","1") = "6"
    & skf21("7","6","2","1","1","6","6","1") = "6"
    & skf21("7","6","2","1","1","6","7","1") = "6"
    & skf21("7","6","2","1","1","7","1","1") = "6"
    & skf21("7","6","2","1","1","7","2","1") = "6"
    & skf21("7","6","2","1","1","7","3","1") = "6"
    & skf21("7","6","2","1","1","7","4","1") = "6"
    & skf21("7","6","2","1","1","7","5","1") = "6"
    & skf21("7","6","2","1","1","7","6","1") = "6"
    & skf21("7","6","2","1","1","7","7","1") = "6"
    & skf21("7","6","2","1","2","1","1","1") = "6"
    & skf21("7","6","2","1","2","1","2","1") = "6"
    & skf21("7","6","2","1","2","1","3","1") = "6"
    & skf21("7","6","2","1","2","1","4","1") = "6"
    & skf21("7","6","2","1","2","1","5","1") = "6"
    & skf21("7","6","2","1","2","1","6","1") = "6"
    & skf21("7","6","2","1","2","1","7","1") = "6"
    & skf21("7","6","2","1","2","2","1","1") = "6"
    & skf21("7","6","2","1","2","2","2","1") = "6"
    & skf21("7","6","2","1","2","2","3","1") = "6"
    & skf21("7","6","2","1","2","2","4","1") = "6"
    & skf21("7","6","2","1","2","2","5","1") = "6"
    & skf21("7","6","2","1","2","2","6","1") = "6"
    & skf21("7","6","2","1","2","2","7","1") = "6"
    & skf21("7","6","2","1","2","3","1","1") = "6"
    & skf21("7","6","2","1","2","3","2","1") = "6"
    & skf21("7","6","2","1","2","3","3","1") = "6"
    & skf21("7","6","2","1","2","3","4","1") = "6"
    & skf21("7","6","2","1","2","3","5","1") = "6"
    & skf21("7","6","2","1","2","3","6","1") = "6"
    & skf21("7","6","2","1","2","3","7","1") = "6"
    & skf21("7","6","2","1","2","4","1","1") = "6"
    & skf21("7","6","2","1","2","4","2","1") = "6"
    & skf21("7","6","2","1","2","4","3","1") = "6"
    & skf21("7","6","2","1","2","4","4","1") = "6"
    & skf21("7","6","2","1","2","4","5","1") = "6"
    & skf21("7","6","2","1","2","4","6","1") = "6"
    & skf21("7","6","2","1","2","4","7","1") = "6"
    & skf21("7","6","2","1","2","5","1","1") = "6"
    & skf21("7","6","2","1","2","5","2","1") = "6"
    & skf21("7","6","2","1","2","5","3","1") = "6"
    & skf21("7","6","2","1","2","5","4","1") = "6"
    & skf21("7","6","2","1","2","5","5","1") = "6"
    & skf21("7","6","2","1","2","5","6","1") = "6"
    & skf21("7","6","2","1","2","5","7","1") = "6"
    & skf21("7","6","2","1","2","6","1","1") = "6"
    & skf21("7","6","2","1","2","6","2","1") = "6"
    & skf21("7","6","2","1","2","6","3","1") = "6"
    & skf21("7","6","2","1","2","6","4","1") = "6"
    & skf21("7","6","2","1","2","6","5","1") = "6"
    & skf21("7","6","2","1","2","6","6","1") = "6"
    & skf21("7","6","2","1","2","6","7","1") = "6"
    & skf21("7","6","2","1","2","7","1","1") = "6"
    & skf21("7","6","2","1","2","7","2","1") = "6"
    & skf21("7","6","2","1","2","7","3","1") = "6"
    & skf21("7","6","2","1","2","7","4","1") = "6"
    & skf21("7","6","2","1","2","7","5","1") = "6"
    & skf21("7","6","2","1","2","7","6","1") = "6"
    & skf21("7","6","2","1","2","7","7","1") = "6"
    & skf21("7","6","2","1","3","1","1","1") = "6"
    & skf21("7","6","2","1","3","1","2","1") = "6"
    & skf21("7","6","2","1","3","1","3","1") = "6"
    & skf21("7","6","2","1","3","1","4","1") = "6"
    & skf21("7","6","2","1","3","1","5","1") = "6"
    & skf21("7","6","2","1","3","1","6","1") = "6"
    & skf21("7","6","2","1","3","1","7","1") = "6"
    & skf21("7","6","2","1","3","2","1","1") = "6"
    & skf21("7","6","2","1","3","2","2","1") = "6"
    & skf21("7","6","2","1","3","2","3","1") = "6"
    & skf21("7","6","2","1","3","2","4","1") = "6"
    & skf21("7","6","2","1","3","2","5","1") = "6"
    & skf21("7","6","2","1","3","2","6","1") = "6"
    & skf21("7","6","2","1","3","2","7","1") = "6"
    & skf21("7","6","2","1","3","3","1","1") = "6"
    & skf21("7","6","2","1","3","3","2","1") = "6"
    & skf21("7","6","2","1","3","3","3","1") = "6"
    & skf21("7","6","2","1","3","3","4","1") = "6"
    & skf21("7","6","2","1","3","3","5","1") = "6"
    & skf21("7","6","2","1","3","3","6","1") = "6"
    & skf21("7","6","2","1","3","3","7","1") = "6"
    & skf21("7","6","2","1","3","4","1","1") = "6"
    & skf21("7","6","2","1","3","4","2","1") = "6"
    & skf21("7","6","2","1","3","4","3","1") = "6"
    & skf21("7","6","2","1","3","4","4","1") = "6"
    & skf21("7","6","2","1","3","4","5","1") = "6"
    & skf21("7","6","2","1","3","4","6","1") = "6"
    & skf21("7","6","2","1","3","4","7","1") = "6"
    & skf21("7","6","2","1","3","5","1","1") = "6"
    & skf21("7","6","2","1","3","5","2","1") = "6"
    & skf21("7","6","2","1","3","5","3","1") = "6"
    & skf21("7","6","2","1","3","5","4","1") = "6"
    & skf21("7","6","2","1","3","5","5","1") = "6"
    & skf21("7","6","2","1","3","5","6","1") = "6"
    & skf21("7","6","2","1","3","5","7","1") = "6"
    & skf21("7","6","2","1","3","6","1","1") = "6"
    & skf21("7","6","2","1","3","6","2","1") = "6"
    & skf21("7","6","2","1","3","6","3","1") = "6"
    & skf21("7","6","2","1","3","6","4","1") = "6"
    & skf21("7","6","2","1","3","6","5","1") = "6"
    & skf21("7","6","2","1","3","6","6","1") = "6"
    & skf21("7","6","2","1","3","6","7","1") = "6"
    & skf21("7","6","2","1","3","7","1","1") = "6"
    & skf21("7","6","2","1","3","7","2","1") = "6"
    & skf21("7","6","2","1","3","7","3","1") = "6"
    & skf21("7","6","2","1","3","7","4","1") = "6"
    & skf21("7","6","2","1","3","7","5","1") = "6"
    & skf21("7","6","2","1","3","7","6","1") = "6"
    & skf21("7","6","2","1","3","7","7","1") = "6"
    & skf21("7","6","2","1","4","1","1","1") = "6"
    & skf21("7","6","2","1","4","1","2","1") = "6"
    & skf21("7","6","2","1","4","1","3","1") = "6"
    & skf21("7","6","2","1","4","1","4","1") = "6"
    & skf21("7","6","2","1","4","1","5","1") = "6"
    & skf21("7","6","2","1","4","1","6","1") = "6"
    & skf21("7","6","2","1","4","1","7","1") = "6"
    & skf21("7","6","2","1","4","2","1","1") = "6"
    & skf21("7","6","2","1","4","2","2","1") = "6"
    & skf21("7","6","2","1","4","2","3","1") = "6"
    & skf21("7","6","2","1","4","2","4","1") = "6"
    & skf21("7","6","2","1","4","2","5","1") = "6"
    & skf21("7","6","2","1","4","2","6","1") = "6"
    & skf21("7","6","2","1","4","2","7","1") = "6"
    & skf21("7","6","2","1","4","3","1","1") = "6"
    & skf21("7","6","2","1","4","3","2","1") = "6"
    & skf21("7","6","2","1","4","3","3","1") = "6"
    & skf21("7","6","2","1","4","3","4","1") = "6"
    & skf21("7","6","2","1","4","3","5","1") = "6"
    & skf21("7","6","2","1","4","3","6","1") = "6"
    & skf21("7","6","2","1","4","3","7","1") = "6"
    & skf21("7","6","2","1","4","4","1","1") = "6"
    & skf21("7","6","2","1","4","4","2","1") = "6"
    & skf21("7","6","2","1","4","4","3","1") = "6"
    & skf21("7","6","2","1","4","4","4","1") = "6"
    & skf21("7","6","2","1","4","4","5","1") = "6"
    & skf21("7","6","2","1","4","4","6","1") = "6"
    & skf21("7","6","2","1","4","4","7","1") = "6"
    & skf21("7","6","2","1","4","5","1","1") = "6"
    & skf21("7","6","2","1","4","5","2","1") = "6"
    & skf21("7","6","2","1","4","5","3","1") = "6"
    & skf21("7","6","2","1","4","5","4","1") = "6"
    & skf21("7","6","2","1","4","5","5","1") = "6"
    & skf21("7","6","2","1","4","5","6","1") = "6"
    & skf21("7","6","2","1","4","5","7","1") = "6"
    & skf21("7","6","2","1","4","6","1","1") = "6"
    & skf21("7","6","2","1","4","6","2","1") = "6"
    & skf21("7","6","2","1","4","6","3","1") = "6"
    & skf21("7","6","2","1","4","6","4","1") = "6"
    & skf21("7","6","2","1","4","6","5","1") = "6"
    & skf21("7","6","2","1","4","6","6","1") = "6"
    & skf21("7","6","2","1","4","6","7","1") = "6"
    & skf21("7","6","2","1","4","7","1","1") = "6"
    & skf21("7","6","2","1","4","7","2","1") = "6"
    & skf21("7","6","2","1","4","7","3","1") = "6"
    & skf21("7","6","2","1","4","7","4","1") = "6"
    & skf21("7","6","2","1","4","7","5","1") = "6"
    & skf21("7","6","2","1","4","7","6","1") = "6"
    & skf21("7","6","2","1","4","7","7","1") = "6"
    & skf21("7","6","2","1","5","1","1","1") = "6"
    & skf21("7","6","2","1","5","1","2","1") = "6"
    & skf21("7","6","2","1","5","1","3","1") = "6"
    & skf21("7","6","2","1","5","1","4","1") = "6"
    & skf21("7","6","2","1","5","1","5","1") = "6"
    & skf21("7","6","2","1","5","1","6","1") = "6"
    & skf21("7","6","2","1","5","1","7","1") = "6"
    & skf21("7","6","2","1","5","2","1","1") = "6"
    & skf21("7","6","2","1","5","2","2","1") = "6"
    & skf21("7","6","2","1","5","2","3","1") = "6"
    & skf21("7","6","2","1","5","2","4","1") = "6"
    & skf21("7","6","2","1","5","2","5","1") = "6"
    & skf21("7","6","2","1","5","2","6","1") = "6"
    & skf21("7","6","2","1","5","2","7","1") = "6"
    & skf21("7","6","2","1","5","3","1","1") = "6"
    & skf21("7","6","2","1","5","3","2","1") = "6"
    & skf21("7","6","2","1","5","3","3","1") = "6"
    & skf21("7","6","2","1","5","3","4","1") = "6"
    & skf21("7","6","2","1","5","3","5","1") = "6"
    & skf21("7","6","2","1","5","3","6","1") = "6"
    & skf21("7","6","2","1","5","3","7","1") = "6"
    & skf21("7","6","2","1","5","4","1","1") = "6"
    & skf21("7","6","2","1","5","4","2","1") = "6"
    & skf21("7","6","2","1","5","4","3","1") = "6"
    & skf21("7","6","2","1","5","4","4","1") = "6"
    & skf21("7","6","2","1","5","4","5","1") = "6"
    & skf21("7","6","2","1","5","4","6","1") = "6"
    & skf21("7","6","2","1","5","4","7","1") = "6"
    & skf21("7","6","2","1","5","5","1","1") = "6"
    & skf21("7","6","2","1","5","5","2","1") = "6"
    & skf21("7","6","2","1","5","5","3","1") = "6"
    & skf21("7","6","2","1","5","5","4","1") = "6"
    & skf21("7","6","2","1","5","5","5","1") = "6"
    & skf21("7","6","2","1","5","5","6","1") = "6"
    & skf21("7","6","2","1","5","5","7","1") = "6"
    & skf21("7","6","2","1","5","6","1","1") = "6"
    & skf21("7","6","2","1","5","6","2","1") = "6"
    & skf21("7","6","2","1","5","6","3","1") = "6"
    & skf21("7","6","2","1","5","6","4","1") = "6"
    & skf21("7","6","2","1","5","6","5","1") = "6"
    & skf21("7","6","2","1","5","6","6","1") = "6"
    & skf21("7","6","2","1","5","6","7","1") = "6"
    & skf21("7","6","2","1","5","7","1","1") = "6"
    & skf21("7","6","2","1","5","7","2","1") = "6"
    & skf21("7","6","2","1","5","7","3","1") = "6"
    & skf21("7","6","2","1","5","7","4","1") = "6"
    & skf21("7","6","2","1","5","7","5","1") = "6"
    & skf21("7","6","2","1","5","7","6","1") = "6"
    & skf21("7","6","2","1","5","7","7","1") = "6"
    & skf21("7","6","2","1","6","1","1","1") = "6"
    & skf21("7","6","2","1","6","1","2","1") = "6"
    & skf21("7","6","2","1","6","1","3","1") = "6"
    & skf21("7","6","2","1","6","1","4","1") = "6"
    & skf21("7","6","2","1","6","1","5","1") = "6"
    & skf21("7","6","2","1","6","1","6","1") = "6"
    & skf21("7","6","2","1","6","1","7","1") = "6"
    & skf21("7","6","2","1","6","2","1","1") = "6"
    & skf21("7","6","2","1","6","2","2","1") = "6"
    & skf21("7","6","2","1","6","2","3","1") = "6"
    & skf21("7","6","2","1","6","2","4","1") = "6"
    & skf21("7","6","2","1","6","2","5","1") = "6"
    & skf21("7","6","2","1","6","2","6","1") = "6"
    & skf21("7","6","2","1","6","2","7","1") = "6"
    & skf21("7","6","2","1","6","3","1","1") = "6"
    & skf21("7","6","2","1","6","3","2","1") = "6"
    & skf21("7","6","2","1","6","3","3","1") = "6"
    & skf21("7","6","2","1","6","3","4","1") = "6"
    & skf21("7","6","2","1","6","3","5","1") = "6"
    & skf21("7","6","2","1","6","3","6","1") = "6"
    & skf21("7","6","2","1","6","3","7","1") = "6"
    & skf21("7","6","2","1","6","4","1","1") = "6"
    & skf21("7","6","2","1","6","4","2","1") = "6"
    & skf21("7","6","2","1","6","4","3","1") = "6"
    & skf21("7","6","2","1","6","4","4","1") = "6"
    & skf21("7","6","2","1","6","4","5","1") = "6"
    & skf21("7","6","2","1","6","4","6","1") = "6"
    & skf21("7","6","2","1","6","4","7","1") = "6"
    & skf21("7","6","2","1","6","5","1","1") = "6"
    & skf21("7","6","2","1","6","5","2","1") = "6"
    & skf21("7","6","2","1","6","5","3","1") = "6"
    & skf21("7","6","2","1","6","5","4","1") = "6"
    & skf21("7","6","2","1","6","5","5","1") = "6"
    & skf21("7","6","2","1","6","5","6","1") = "6"
    & skf21("7","6","2","1","6","5","7","1") = "6"
    & skf21("7","6","2","1","6","6","1","1") = "6"
    & skf21("7","6","2","1","6","6","2","1") = "6"
    & skf21("7","6","2","1","6","6","3","1") = "6"
    & skf21("7","6","2","1","6","6","4","1") = "6"
    & skf21("7","6","2","1","6","6","5","1") = "6"
    & skf21("7","6","2","1","6","6","6","1") = "6"
    & skf21("7","6","2","1","6","6","7","1") = "6"
    & skf21("7","6","2","1","6","7","1","1") = "6"
    & skf21("7","6","2","1","6","7","2","1") = "6"
    & skf21("7","6","2","1","6","7","3","1") = "6"
    & skf21("7","6","2","1","6","7","4","1") = "6"
    & skf21("7","6","2","1","6","7","5","1") = "6"
    & skf21("7","6","2","1","6","7","6","1") = "6"
    & skf21("7","6","2","1","6","7","7","1") = "6"
    & skf21("7","6","2","1","7","1","1","1") = "6"
    & skf21("7","6","2","1","7","1","2","1") = "6"
    & skf21("7","6","2","1","7","1","3","1") = "6"
    & skf21("7","6","2","1","7","1","4","1") = "6"
    & skf21("7","6","2","1","7","1","5","1") = "6"
    & skf21("7","6","2","1","7","1","6","1") = "6"
    & skf21("7","6","2","1","7","1","7","1") = "6"
    & skf21("7","6","2","1","7","2","1","1") = "6"
    & skf21("7","6","2","1","7","2","2","1") = "6"
    & skf21("7","6","2","1","7","2","3","1") = "6"
    & skf21("7","6","2","1","7","2","4","1") = "6"
    & skf21("7","6","2","1","7","2","5","1") = "6"
    & skf21("7","6","2","1","7","2","6","1") = "6"
    & skf21("7","6","2","1","7","2","7","1") = "6"
    & skf21("7","6","2","1","7","3","1","1") = "6"
    & skf21("7","6","2","1","7","3","2","1") = "6"
    & skf21("7","6","2","1","7","3","3","1") = "6"
    & skf21("7","6","2","1","7","3","4","1") = "6"
    & skf21("7","6","2","1","7","3","5","1") = "6"
    & skf21("7","6","2","1","7","3","6","1") = "6"
    & skf21("7","6","2","1","7","3","7","1") = "6"
    & skf21("7","6","2","1","7","4","1","1") = "6"
    & skf21("7","6","2","1","7","4","2","1") = "6"
    & skf21("7","6","2","1","7","4","3","1") = "6"
    & skf21("7","6","2","1","7","4","4","1") = "6"
    & skf21("7","6","2","1","7","4","5","1") = "6"
    & skf21("7","6","2","1","7","4","6","1") = "6"
    & skf21("7","6","2","1","7","4","7","1") = "6"
    & skf21("7","6","2","1","7","5","1","1") = "6"
    & skf21("7","6","2","1","7","5","2","1") = "6"
    & skf21("7","6","2","1","7","5","3","1") = "6"
    & skf21("7","6","2","1","7","5","4","1") = "6"
    & skf21("7","6","2","1","7","5","5","1") = "6"
    & skf21("7","6","2","1","7","5","6","1") = "6"
    & skf21("7","6","2","1","7","5","7","1") = "6"
    & skf21("7","6","2","1","7","6","1","1") = "6"
    & skf21("7","6","2","1","7","6","2","1") = "6"
    & skf21("7","6","2","1","7","6","3","1") = "6"
    & skf21("7","6","2","1","7","6","4","1") = "6"
    & skf21("7","6","2","1","7","6","5","1") = "6"
    & skf21("7","6","2","1","7","6","6","1") = "6"
    & skf21("7","6","2","1","7","6","7","1") = "6"
    & skf21("7","6","2","1","7","7","1","1") = "6"
    & skf21("7","6","2","1","7","7","2","1") = "6"
    & skf21("7","6","2","1","7","7","3","1") = "6"
    & skf21("7","6","2","1","7","7","4","1") = "6"
    & skf21("7","6","2","1","7","7","5","1") = "6"
    & skf21("7","6","2","1","7","7","6","1") = "6"
    & skf21("7","6","2","1","7","7","7","1") = "6"
    & skf21("7","6","2","2","1","1","1","1") = "6"
    & skf21("7","6","2","2","1","1","2","1") = "6"
    & skf21("7","6","2","2","1","1","3","1") = "6"
    & skf21("7","6","2","2","1","1","4","1") = "6"
    & skf21("7","6","2","2","1","1","5","1") = "6"
    & skf21("7","6","2","2","1","1","6","1") = "6"
    & skf21("7","6","2","2","1","1","7","1") = "6"
    & skf21("7","6","2","2","1","2","1","1") = "6"
    & skf21("7","6","2","2","1","2","2","1") = "6"
    & skf21("7","6","2","2","1","2","3","1") = "6"
    & skf21("7","6","2","2","1","2","4","1") = "6"
    & skf21("7","6","2","2","1","2","5","1") = "6"
    & skf21("7","6","2","2","1","2","6","1") = "6"
    & skf21("7","6","2","2","1","2","7","1") = "6"
    & skf21("7","6","2","2","1","3","1","1") = "6"
    & skf21("7","6","2","2","1","3","2","1") = "6"
    & skf21("7","6","2","2","1","3","3","1") = "6"
    & skf21("7","6","2","2","1","3","4","1") = "6"
    & skf21("7","6","2","2","1","3","5","1") = "6"
    & skf21("7","6","2","2","1","3","6","1") = "6"
    & skf21("7","6","2","2","1","3","7","1") = "6"
    & skf21("7","6","2","2","1","4","1","1") = "6"
    & skf21("7","6","2","2","1","4","2","1") = "6"
    & skf21("7","6","2","2","1","4","3","1") = "6"
    & skf21("7","6","2","2","1","4","4","1") = "6"
    & skf21("7","6","2","2","1","4","5","1") = "6"
    & skf21("7","6","2","2","1","4","6","1") = "6"
    & skf21("7","6","2","2","1","4","7","1") = "6"
    & skf21("7","6","2","2","1","5","1","1") = "6"
    & skf21("7","6","2","2","1","5","2","1") = "6"
    & skf21("7","6","2","2","1","5","3","1") = "6"
    & skf21("7","6","2","2","1","5","4","1") = "6"
    & skf21("7","6","2","2","1","5","5","1") = "6"
    & skf21("7","6","2","2","1","5","6","1") = "6"
    & skf21("7","6","2","2","1","5","7","1") = "6"
    & skf21("7","6","2","2","1","6","1","1") = "6"
    & skf21("7","6","2","2","1","6","2","1") = "6"
    & skf21("7","6","2","2","1","6","3","1") = "6"
    & skf21("7","6","2","2","1","6","4","1") = "6"
    & skf21("7","6","2","2","1","6","5","1") = "6"
    & skf21("7","6","2","2","1","6","6","1") = "6"
    & skf21("7","6","2","2","1","6","7","1") = "6"
    & skf21("7","6","2","2","1","7","1","1") = "6"
    & skf21("7","6","2","2","1","7","2","1") = "6"
    & skf21("7","6","2","2","1","7","3","1") = "6"
    & skf21("7","6","2","2","1","7","4","1") = "6"
    & skf21("7","6","2","2","1","7","5","1") = "6"
    & skf21("7","6","2","2","1","7","6","1") = "6"
    & skf21("7","6","2","2","1","7","7","1") = "6"
    & skf21("7","6","2","2","2","1","1","1") = "6"
    & skf21("7","6","2","2","2","1","2","1") = "6"
    & skf21("7","6","2","2","2","1","3","1") = "6"
    & skf21("7","6","2","2","2","1","4","1") = "6"
    & skf21("7","6","2","2","2","1","5","1") = "6"
    & skf21("7","6","2","2","2","1","6","1") = "6"
    & skf21("7","6","2","2","2","1","7","1") = "6"
    & skf21("7","6","2","2","2","2","1","1") = "6"
    & skf21("7","6","2","2","2","2","2","1") = "6"
    & skf21("7","6","2","2","2","2","3","1") = "6"
    & skf21("7","6","2","2","2","2","4","1") = "6"
    & skf21("7","6","2","2","2","2","5","1") = "6"
    & skf21("7","6","2","2","2","2","6","1") = "6"
    & skf21("7","6","2","2","2","2","7","1") = "6"
    & skf21("7","6","2","2","2","3","1","1") = "6"
    & skf21("7","6","2","2","2","3","2","1") = "6"
    & skf21("7","6","2","2","2","3","3","1") = "6"
    & skf21("7","6","2","2","2","3","4","1") = "6"
    & skf21("7","6","2","2","2","3","5","1") = "6"
    & skf21("7","6","2","2","2","3","6","1") = "6"
    & skf21("7","6","2","2","2","3","7","1") = "6"
    & skf21("7","6","2","2","2","4","1","1") = "6"
    & skf21("7","6","2","2","2","4","2","1") = "6"
    & skf21("7","6","2","2","2","4","3","1") = "6"
    & skf21("7","6","2","2","2","4","4","1") = "6"
    & skf21("7","6","2","2","2","4","5","1") = "6"
    & skf21("7","6","2","2","2","4","6","1") = "6"
    & skf21("7","6","2","2","2","4","7","1") = "6"
    & skf21("7","6","2","2","2","5","1","1") = "6"
    & skf21("7","6","2","2","2","5","2","1") = "6"
    & skf21("7","6","2","2","2","5","3","1") = "6"
    & skf21("7","6","2","2","2","5","4","1") = "6"
    & skf21("7","6","2","2","2","5","5","1") = "6"
    & skf21("7","6","2","2","2","5","6","1") = "6"
    & skf21("7","6","2","2","2","5","7","1") = "6"
    & skf21("7","6","2","2","2","6","1","1") = "6"
    & skf21("7","6","2","2","2","6","2","1") = "6"
    & skf21("7","6","2","2","2","6","3","1") = "6"
    & skf21("7","6","2","2","2","6","4","1") = "6"
    & skf21("7","6","2","2","2","6","5","1") = "6"
    & skf21("7","6","2","2","2","6","6","1") = "6"
    & skf21("7","6","2","2","2","6","7","1") = "6"
    & skf21("7","6","2","2","2","7","1","1") = "6"
    & skf21("7","6","2","2","2","7","2","1") = "6"
    & skf21("7","6","2","2","2","7","3","1") = "6"
    & skf21("7","6","2","2","2","7","4","1") = "6"
    & skf21("7","6","2","2","2","7","5","1") = "6"
    & skf21("7","6","2","2","2","7","6","1") = "6"
    & skf21("7","6","2","2","2","7","7","1") = "6"
    & skf21("7","6","2","2","3","1","1","1") = "6"
    & skf21("7","6","2","2","3","1","2","1") = "6"
    & skf21("7","6","2","2","3","1","3","1") = "6"
    & skf21("7","6","2","2","3","1","4","1") = "6"
    & skf21("7","6","2","2","3","1","5","1") = "6"
    & skf21("7","6","2","2","3","1","6","1") = "6"
    & skf21("7","6","2","2","3","1","7","1") = "6"
    & skf21("7","6","2","2","3","2","1","1") = "6"
    & skf21("7","6","2","2","3","2","2","1") = "6"
    & skf21("7","6","2","2","3","2","3","1") = "6"
    & skf21("7","6","2","2","3","2","4","1") = "6"
    & skf21("7","6","2","2","3","2","5","1") = "6"
    & skf21("7","6","2","2","3","2","6","1") = "6"
    & skf21("7","6","2","2","3","2","7","1") = "6"
    & skf21("7","6","2","2","3","3","1","1") = "6"
    & skf21("7","6","2","2","3","3","2","1") = "6"
    & skf21("7","6","2","2","3","3","3","1") = "6"
    & skf21("7","6","2","2","3","3","4","1") = "6"
    & skf21("7","6","2","2","3","3","5","1") = "6"
    & skf21("7","6","2","2","3","3","6","1") = "6"
    & skf21("7","6","2","2","3","3","7","1") = "6"
    & skf21("7","6","2","2","3","4","1","1") = "6"
    & skf21("7","6","2","2","3","4","2","1") = "6"
    & skf21("7","6","2","2","3","4","3","1") = "6"
    & skf21("7","6","2","2","3","4","4","1") = "6"
    & skf21("7","6","2","2","3","4","5","1") = "6"
    & skf21("7","6","2","2","3","4","6","1") = "6"
    & skf21("7","6","2","2","3","4","7","1") = "6"
    & skf21("7","6","2","2","3","5","1","1") = "6"
    & skf21("7","6","2","2","3","5","2","1") = "6"
    & skf21("7","6","2","2","3","5","3","1") = "6"
    & skf21("7","6","2","2","3","5","4","1") = "6"
    & skf21("7","6","2","2","3","5","5","1") = "6"
    & skf21("7","6","2","2","3","5","6","1") = "6"
    & skf21("7","6","2","2","3","5","7","1") = "6"
    & skf21("7","6","2","2","3","6","1","1") = "6"
    & skf21("7","6","2","2","3","6","2","1") = "6"
    & skf21("7","6","2","2","3","6","3","1") = "6"
    & skf21("7","6","2","2","3","6","4","1") = "6"
    & skf21("7","6","2","2","3","6","5","1") = "6"
    & skf21("7","6","2","2","3","6","6","1") = "6"
    & skf21("7","6","2","2","3","6","7","1") = "6"
    & skf21("7","6","2","2","3","7","1","1") = "6"
    & skf21("7","6","2","2","3","7","2","1") = "6"
    & skf21("7","6","2","2","3","7","3","1") = "6"
    & skf21("7","6","2","2","3","7","4","1") = "6"
    & skf21("7","6","2","2","3","7","5","1") = "6"
    & skf21("7","6","2","2","3","7","6","1") = "6"
    & skf21("7","6","2","2","3","7","7","1") = "6"
    & skf21("7","6","2","2","4","1","1","1") = "6"
    & skf21("7","6","2","2","4","1","2","1") = "6"
    & skf21("7","6","2","2","4","1","3","1") = "6"
    & skf21("7","6","2","2","4","1","4","1") = "6"
    & skf21("7","6","2","2","4","1","5","1") = "6"
    & skf21("7","6","2","2","4","1","6","1") = "6"
    & skf21("7","6","2","2","4","1","7","1") = "6"
    & skf21("7","6","2","2","4","2","1","1") = "6"
    & skf21("7","6","2","2","4","2","2","1") = "6"
    & skf21("7","6","2","2","4","2","3","1") = "6"
    & skf21("7","6","2","2","4","2","4","1") = "6"
    & skf21("7","6","2","2","4","2","5","1") = "6"
    & skf21("7","6","2","2","4","2","6","1") = "6"
    & skf21("7","6","2","2","4","2","7","1") = "6"
    & skf21("7","6","2","2","4","3","1","1") = "6"
    & skf21("7","6","2","2","4","3","2","1") = "6"
    & skf21("7","6","2","2","4","3","3","1") = "6"
    & skf21("7","6","2","2","4","3","4","1") = "6"
    & skf21("7","6","2","2","4","3","5","1") = "6"
    & skf21("7","6","2","2","4","3","6","1") = "6"
    & skf21("7","6","2","2","4","3","7","1") = "6"
    & skf21("7","6","2","2","4","4","1","1") = "6"
    & skf21("7","6","2","2","4","4","2","1") = "6"
    & skf21("7","6","2","2","4","4","3","1") = "6"
    & skf21("7","6","2","2","4","4","4","1") = "6"
    & skf21("7","6","2","2","4","4","5","1") = "6"
    & skf21("7","6","2","2","4","4","6","1") = "6"
    & skf21("7","6","2","2","4","4","7","1") = "6"
    & skf21("7","6","2","2","4","5","1","1") = "6"
    & skf21("7","6","2","2","4","5","2","1") = "6"
    & skf21("7","6","2","2","4","5","3","1") = "6"
    & skf21("7","6","2","2","4","5","4","1") = "6"
    & skf21("7","6","2","2","4","5","5","1") = "6"
    & skf21("7","6","2","2","4","5","6","1") = "6"
    & skf21("7","6","2","2","4","5","7","1") = "6"
    & skf21("7","6","2","2","4","6","1","1") = "6"
    & skf21("7","6","2","2","4","6","2","1") = "6"
    & skf21("7","6","2","2","4","6","3","1") = "6"
    & skf21("7","6","2","2","4","6","4","1") = "6"
    & skf21("7","6","2","2","4","6","5","1") = "6"
    & skf21("7","6","2","2","4","6","6","1") = "6"
    & skf21("7","6","2","2","4","6","7","1") = "6"
    & skf21("7","6","2","2","4","7","1","1") = "6"
    & skf21("7","6","2","2","4","7","2","1") = "6"
    & skf21("7","6","2","2","4","7","3","1") = "6"
    & skf21("7","6","2","2","4","7","4","1") = "6"
    & skf21("7","6","2","2","4","7","5","1") = "6"
    & skf21("7","6","2","2","4","7","6","1") = "6"
    & skf21("7","6","2","2","4","7","7","1") = "6"
    & skf21("7","6","2","2","5","1","1","1") = "6"
    & skf21("7","6","2","2","5","1","2","1") = "6"
    & skf21("7","6","2","2","5","1","3","1") = "6"
    & skf21("7","6","2","2","5","1","4","1") = "6"
    & skf21("7","6","2","2","5","1","5","1") = "6"
    & skf21("7","6","2","2","5","1","6","1") = "6"
    & skf21("7","6","2","2","5","1","7","1") = "6"
    & skf21("7","6","2","2","5","2","1","1") = "6"
    & skf21("7","6","2","2","5","2","2","1") = "6"
    & skf21("7","6","2","2","5","2","3","1") = "6"
    & skf21("7","6","2","2","5","2","4","1") = "6"
    & skf21("7","6","2","2","5","2","5","1") = "6"
    & skf21("7","6","2","2","5","2","6","1") = "6"
    & skf21("7","6","2","2","5","2","7","1") = "6"
    & skf21("7","6","2","2","5","3","1","1") = "6"
    & skf21("7","6","2","2","5","3","2","1") = "6"
    & skf21("7","6","2","2","5","3","3","1") = "6"
    & skf21("7","6","2","2","5","3","4","1") = "6"
    & skf21("7","6","2","2","5","3","5","1") = "6"
    & skf21("7","6","2","2","5","3","6","1") = "6"
    & skf21("7","6","2","2","5","3","7","1") = "6"
    & skf21("7","6","2","2","5","4","1","1") = "6"
    & skf21("7","6","2","2","5","4","2","1") = "6"
    & skf21("7","6","2","2","5","4","3","1") = "6"
    & skf21("7","6","2","2","5","4","4","1") = "6"
    & skf21("7","6","2","2","5","4","5","1") = "6"
    & skf21("7","6","2","2","5","4","6","1") = "6"
    & skf21("7","6","2","2","5","4","7","1") = "6"
    & skf21("7","6","2","2","5","5","1","1") = "6"
    & skf21("7","6","2","2","5","5","2","1") = "6"
    & skf21("7","6","2","2","5","5","3","1") = "6"
    & skf21("7","6","2","2","5","5","4","1") = "6"
    & skf21("7","6","2","2","5","5","5","1") = "6"
    & skf21("7","6","2","2","5","5","6","1") = "6"
    & skf21("7","6","2","2","5","5","7","1") = "6"
    & skf21("7","6","2","2","5","6","1","1") = "6"
    & skf21("7","6","2","2","5","6","2","1") = "6"
    & skf21("7","6","2","2","5","6","3","1") = "6"
    & skf21("7","6","2","2","5","6","4","1") = "6"
    & skf21("7","6","2","2","5","6","5","1") = "6"
    & skf21("7","6","2","2","5","6","6","1") = "6"
    & skf21("7","6","2","2","5","6","7","1") = "6"
    & skf21("7","6","2","2","5","7","1","1") = "6"
    & skf21("7","6","2","2","5","7","2","1") = "6"
    & skf21("7","6","2","2","5","7","3","1") = "6"
    & skf21("7","6","2","2","5","7","4","1") = "6"
    & skf21("7","6","2","2","5","7","5","1") = "6"
    & skf21("7","6","2","2","5","7","6","1") = "6"
    & skf21("7","6","2","2","5","7","7","1") = "6"
    & skf21("7","6","2","2","6","1","1","1") = "6"
    & skf21("7","6","2","2","6","1","2","1") = "6"
    & skf21("7","6","2","2","6","1","3","1") = "6"
    & skf21("7","6","2","2","6","1","4","1") = "6"
    & skf21("7","6","2","2","6","1","5","1") = "6"
    & skf21("7","6","2","2","6","1","6","1") = "6"
    & skf21("7","6","2","2","6","1","7","1") = "6"
    & skf21("7","6","2","2","6","2","1","1") = "6"
    & skf21("7","6","2","2","6","2","2","1") = "6"
    & skf21("7","6","2","2","6","2","3","1") = "6"
    & skf21("7","6","2","2","6","2","4","1") = "6"
    & skf21("7","6","2","2","6","2","5","1") = "6"
    & skf21("7","6","2","2","6","2","6","1") = "6"
    & skf21("7","6","2","2","6","2","7","1") = "6"
    & skf21("7","6","2","2","6","3","1","1") = "6"
    & skf21("7","6","2","2","6","3","2","1") = "6"
    & skf21("7","6","2","2","6","3","3","1") = "6"
    & skf21("7","6","2","2","6","3","4","1") = "6"
    & skf21("7","6","2","2","6","3","5","1") = "6"
    & skf21("7","6","2","2","6","3","6","1") = "6"
    & skf21("7","6","2","2","6","3","7","1") = "6"
    & skf21("7","6","2","2","6","4","1","1") = "6"
    & skf21("7","6","2","2","6","4","2","1") = "6"
    & skf21("7","6","2","2","6","4","3","1") = "6"
    & skf21("7","6","2","2","6","4","4","1") = "6"
    & skf21("7","6","2","2","6","4","5","1") = "6"
    & skf21("7","6","2","2","6","4","6","1") = "6"
    & skf21("7","6","2","2","6","4","7","1") = "6"
    & skf21("7","6","2","2","6","5","1","1") = "6"
    & skf21("7","6","2","2","6","5","2","1") = "6"
    & skf21("7","6","2","2","6","5","3","1") = "6"
    & skf21("7","6","2","2","6","5","4","1") = "6"
    & skf21("7","6","2","2","6","5","5","1") = "6"
    & skf21("7","6","2","2","6","5","6","1") = "6"
    & skf21("7","6","2","2","6","5","7","1") = "6"
    & skf21("7","6","2","2","6","6","1","1") = "6"
    & skf21("7","6","2","2","6","6","2","1") = "6"
    & skf21("7","6","2","2","6","6","3","1") = "6"
    & skf21("7","6","2","2","6","6","4","1") = "6"
    & skf21("7","6","2","2","6","6","5","1") = "6"
    & skf21("7","6","2","2","6","6","6","1") = "6"
    & skf21("7","6","2","2","6","6","7","1") = "6"
    & skf21("7","6","2","2","6","7","1","1") = "6"
    & skf21("7","6","2","2","6","7","2","1") = "6"
    & skf21("7","6","2","2","6","7","3","1") = "6"
    & skf21("7","6","2","2","6","7","4","1") = "6"
    & skf21("7","6","2","2","6","7","5","1") = "6"
    & skf21("7","6","2","2","6","7","6","1") = "6"
    & skf21("7","6","2","2","6","7","7","1") = "6"
    & skf21("7","6","2","2","7","1","1","1") = "6"
    & skf21("7","6","2","2","7","1","2","1") = "6"
    & skf21("7","6","2","2","7","1","3","1") = "6"
    & skf21("7","6","2","2","7","1","4","1") = "6"
    & skf21("7","6","2","2","7","1","5","1") = "6"
    & skf21("7","6","2","2","7","1","6","1") = "6"
    & skf21("7","6","2","2","7","1","7","1") = "6"
    & skf21("7","6","2","2","7","2","1","1") = "6"
    & skf21("7","6","2","2","7","2","2","1") = "6"
    & skf21("7","6","2","2","7","2","3","1") = "6"
    & skf21("7","6","2","2","7","2","4","1") = "6"
    & skf21("7","6","2","2","7","2","5","1") = "6"
    & skf21("7","6","2","2","7","2","6","1") = "6"
    & skf21("7","6","2","2","7","2","7","1") = "6"
    & skf21("7","6","2","2","7","3","1","1") = "6"
    & skf21("7","6","2","2","7","3","2","1") = "6"
    & skf21("7","6","2","2","7","3","3","1") = "6"
    & skf21("7","6","2","2","7","3","4","1") = "6"
    & skf21("7","6","2","2","7","3","5","1") = "6"
    & skf21("7","6","2","2","7","3","6","1") = "6"
    & skf21("7","6","2","2","7","3","7","1") = "6"
    & skf21("7","6","2","2","7","4","1","1") = "6"
    & skf21("7","6","2","2","7","4","2","1") = "6"
    & skf21("7","6","2","2","7","4","3","1") = "6"
    & skf21("7","6","2","2","7","4","4","1") = "6"
    & skf21("7","6","2","2","7","4","5","1") = "6"
    & skf21("7","6","2","2","7","4","6","1") = "6"
    & skf21("7","6","2","2","7","4","7","1") = "6"
    & skf21("7","6","2","2","7","5","1","1") = "6"
    & skf21("7","6","2","2","7","5","2","1") = "6"
    & skf21("7","6","2","2","7","5","3","1") = "6"
    & skf21("7","6","2","2","7","5","4","1") = "6"
    & skf21("7","6","2","2","7","5","5","1") = "6"
    & skf21("7","6","2","2","7","5","6","1") = "6"
    & skf21("7","6","2","2","7","5","7","1") = "6"
    & skf21("7","6","2","2","7","6","1","1") = "6"
    & skf21("7","6","2","2","7","6","2","1") = "6"
    & skf21("7","6","2","2","7","6","3","1") = "6"
    & skf21("7","6","2","2","7","6","4","1") = "6"
    & skf21("7","6","2","2","7","6","5","1") = "6"
    & skf21("7","6","2","2","7","6","6","1") = "6"
    & skf21("7","6","2","2","7","6","7","1") = "6"
    & skf21("7","6","2","2","7","7","1","1") = "6"
    & skf21("7","6","2","2","7","7","2","1") = "6"
    & skf21("7","6","2","2","7","7","3","1") = "6"
    & skf21("7","6","2","2","7","7","4","1") = "6"
    & skf21("7","6","2","2","7","7","5","1") = "6"
    & skf21("7","6","2","2","7","7","6","1") = "6"
    & skf21("7","6","2","2","7","7","7","1") = "6"
    & skf21("7","6","2","3","1","1","1","1") = "6"
    & skf21("7","6","2","3","1","1","2","1") = "6"
    & skf21("7","6","2","3","1","1","3","1") = "6"
    & skf21("7","6","2","3","1","1","4","1") = "6"
    & skf21("7","6","2","3","1","1","5","1") = "6"
    & skf21("7","6","2","3","1","1","6","1") = "6"
    & skf21("7","6","2","3","1","1","7","1") = "6"
    & skf21("7","6","2","3","1","2","1","1") = "6"
    & skf21("7","6","2","3","1","2","2","1") = "6"
    & skf21("7","6","2","3","1","2","3","1") = "6"
    & skf21("7","6","2","3","1","2","4","1") = "6"
    & skf21("7","6","2","3","1","2","5","1") = "6"
    & skf21("7","6","2","3","1","2","6","1") = "6"
    & skf21("7","6","2","3","1","2","7","1") = "6"
    & skf21("7","6","2","3","1","3","1","1") = "6"
    & skf21("7","6","2","3","1","3","2","1") = "6"
    & skf21("7","6","2","3","1","3","3","1") = "6"
    & skf21("7","6","2","3","1","3","4","1") = "6"
    & skf21("7","6","2","3","1","3","5","1") = "6"
    & skf21("7","6","2","3","1","3","6","1") = "6"
    & skf21("7","6","2","3","1","3","7","1") = "6"
    & skf21("7","6","2","3","1","4","1","1") = "6"
    & skf21("7","6","2","3","1","4","2","1") = "6"
    & skf21("7","6","2","3","1","4","3","1") = "6"
    & skf21("7","6","2","3","1","4","4","1") = "6"
    & skf21("7","6","2","3","1","4","5","1") = "6"
    & skf21("7","6","2","3","1","4","6","1") = "6"
    & skf21("7","6","2","3","1","4","7","1") = "6"
    & skf21("7","6","2","3","1","5","1","1") = "6"
    & skf21("7","6","2","3","1","5","2","1") = "6"
    & skf21("7","6","2","3","1","5","3","1") = "6"
    & skf21("7","6","2","3","1","5","4","1") = "6"
    & skf21("7","6","2","3","1","5","5","1") = "6"
    & skf21("7","6","2","3","1","5","6","1") = "6"
    & skf21("7","6","2","3","1","5","7","1") = "6"
    & skf21("7","6","2","3","1","6","1","1") = "6"
    & skf21("7","6","2","3","1","6","2","1") = "6"
    & skf21("7","6","2","3","1","6","3","1") = "6"
    & skf21("7","6","2","3","1","6","4","1") = "6"
    & skf21("7","6","2","3","1","6","5","1") = "6"
    & skf21("7","6","2","3","1","6","6","1") = "6"
    & skf21("7","6","2","3","1","6","7","1") = "6"
    & skf21("7","6","2","3","1","7","1","1") = "6"
    & skf21("7","6","2","3","1","7","2","1") = "6"
    & skf21("7","6","2","3","1","7","3","1") = "6"
    & skf21("7","6","2","3","1","7","4","1") = "6"
    & skf21("7","6","2","3","1","7","5","1") = "6"
    & skf21("7","6","2","3","1","7","6","1") = "6"
    & skf21("7","6","2","3","1","7","7","1") = "6"
    & skf21("7","6","2","3","2","1","1","1") = "6"
    & skf21("7","6","2","3","2","1","2","1") = "6"
    & skf21("7","6","2","3","2","1","3","1") = "6"
    & skf21("7","6","2","3","2","1","4","1") = "6"
    & skf21("7","6","2","3","2","1","5","1") = "6"
    & skf21("7","6","2","3","2","1","6","1") = "6"
    & skf21("7","6","2","3","2","1","7","1") = "6"
    & skf21("7","6","2","3","2","2","1","1") = "6"
    & skf21("7","6","2","3","2","2","2","1") = "6"
    & skf21("7","6","2","3","2","2","3","1") = "6"
    & skf21("7","6","2","3","2","2","4","1") = "6"
    & skf21("7","6","2","3","2","2","5","1") = "6"
    & skf21("7","6","2","3","2","2","6","1") = "6"
    & skf21("7","6","2","3","2","2","7","1") = "6"
    & skf21("7","6","2","3","2","3","1","1") = "6"
    & skf21("7","6","2","3","2","3","2","1") = "6"
    & skf21("7","6","2","3","2","3","3","1") = "6"
    & skf21("7","6","2","3","2","3","4","1") = "6"
    & skf21("7","6","2","3","2","3","5","1") = "6"
    & skf21("7","6","2","3","2","3","6","1") = "6"
    & skf21("7","6","2","3","2","3","7","1") = "6"
    & skf21("7","6","2","3","2","4","1","1") = "6"
    & skf21("7","6","2","3","2","4","2","1") = "6"
    & skf21("7","6","2","3","2","4","3","1") = "6"
    & skf21("7","6","2","3","2","4","4","1") = "6"
    & skf21("7","6","2","3","2","4","5","1") = "6"
    & skf21("7","6","2","3","2","4","6","1") = "6"
    & skf21("7","6","2","3","2","4","7","1") = "6"
    & skf21("7","6","2","3","2","5","1","1") = "6"
    & skf21("7","6","2","3","2","5","2","1") = "6"
    & skf21("7","6","2","3","2","5","3","1") = "6"
    & skf21("7","6","2","3","2","5","4","1") = "6"
    & skf21("7","6","2","3","2","5","5","1") = "6"
    & skf21("7","6","2","3","2","5","6","1") = "6"
    & skf21("7","6","2","3","2","5","7","1") = "6"
    & skf21("7","6","2","3","2","6","1","1") = "6"
    & skf21("7","6","2","3","2","6","2","1") = "6"
    & skf21("7","6","2","3","2","6","3","1") = "6"
    & skf21("7","6","2","3","2","6","4","1") = "6"
    & skf21("7","6","2","3","2","6","5","1") = "6"
    & skf21("7","6","2","3","2","6","6","1") = "6"
    & skf21("7","6","2","3","2","6","7","1") = "6"
    & skf21("7","6","2","3","2","7","1","1") = "6"
    & skf21("7","6","2","3","2","7","2","1") = "6"
    & skf21("7","6","2","3","2","7","3","1") = "6"
    & skf21("7","6","2","3","2","7","4","1") = "6"
    & skf21("7","6","2","3","2","7","5","1") = "6"
    & skf21("7","6","2","3","2","7","6","1") = "6"
    & skf21("7","6","2","3","2","7","7","1") = "6"
    & skf21("7","6","2","3","3","1","1","1") = "6"
    & skf21("7","6","2","3","3","1","2","1") = "6"
    & skf21("7","6","2","3","3","1","3","1") = "6"
    & skf21("7","6","2","3","3","1","4","1") = "6"
    & skf21("7","6","2","3","3","1","5","1") = "6"
    & skf21("7","6","2","3","3","1","6","1") = "6"
    & skf21("7","6","2","3","3","1","7","1") = "6"
    & skf21("7","6","2","3","3","2","1","1") = "6"
    & skf21("7","6","2","3","3","2","2","1") = "6"
    & skf21("7","6","2","3","3","2","3","1") = "6"
    & skf21("7","6","2","3","3","2","4","1") = "6"
    & skf21("7","6","2","3","3","2","5","1") = "6"
    & skf21("7","6","2","3","3","2","6","1") = "6"
    & skf21("7","6","2","3","3","2","7","1") = "6"
    & skf21("7","6","2","3","3","3","1","1") = "6"
    & skf21("7","6","2","3","3","3","2","1") = "6"
    & skf21("7","6","2","3","3","3","3","1") = "6"
    & skf21("7","6","2","3","3","3","4","1") = "6"
    & skf21("7","6","2","3","3","3","5","1") = "6"
    & skf21("7","6","2","3","3","3","6","1") = "6"
    & skf21("7","6","2","3","3","3","7","1") = "6"
    & skf21("7","6","2","3","3","4","1","1") = "6"
    & skf21("7","6","2","3","3","4","2","1") = "6"
    & skf21("7","6","2","3","3","4","3","1") = "6"
    & skf21("7","6","2","3","3","4","4","1") = "6"
    & skf21("7","6","2","3","3","4","5","1") = "6"
    & skf21("7","6","2","3","3","4","6","1") = "6"
    & skf21("7","6","2","3","3","4","7","1") = "6"
    & skf21("7","6","2","3","3","5","1","1") = "6"
    & skf21("7","6","2","3","3","5","2","1") = "6"
    & skf21("7","6","2","3","3","5","3","1") = "6"
    & skf21("7","6","2","3","3","5","4","1") = "6"
    & skf21("7","6","2","3","3","5","5","1") = "6"
    & skf21("7","6","2","3","3","5","6","1") = "6"
    & skf21("7","6","2","3","3","5","7","1") = "6"
    & skf21("7","6","2","3","3","6","1","1") = "6"
    & skf21("7","6","2","3","3","6","2","1") = "6"
    & skf21("7","6","2","3","3","6","3","1") = "6"
    & skf21("7","6","2","3","3","6","4","1") = "6"
    & skf21("7","6","2","3","3","6","5","1") = "6"
    & skf21("7","6","2","3","3","6","6","1") = "6"
    & skf21("7","6","2","3","3","6","7","1") = "6"
    & skf21("7","6","2","3","3","7","1","1") = "6"
    & skf21("7","6","2","3","3","7","2","1") = "6"
    & skf21("7","6","2","3","3","7","3","1") = "6"
    & skf21("7","6","2","3","3","7","4","1") = "6"
    & skf21("7","6","2","3","3","7","5","1") = "6"
    & skf21("7","6","2","3","3","7","6","1") = "6"
    & skf21("7","6","2","3","3","7","7","1") = "6"
    & skf21("7","6","2","3","4","1","1","1") = "6"
    & skf21("7","6","2","3","4","1","2","1") = "6"
    & skf21("7","6","2","3","4","1","3","1") = "6"
    & skf21("7","6","2","3","4","1","4","1") = "6"
    & skf21("7","6","2","3","4","1","5","1") = "6"
    & skf21("7","6","2","3","4","1","6","1") = "6"
    & skf21("7","6","2","3","4","1","7","1") = "6"
    & skf21("7","6","2","3","4","2","1","1") = "6"
    & skf21("7","6","2","3","4","2","2","1") = "6"
    & skf21("7","6","2","3","4","2","3","1") = "6"
    & skf21("7","6","2","3","4","2","4","1") = "6"
    & skf21("7","6","2","3","4","2","5","1") = "6"
    & skf21("7","6","2","3","4","2","6","1") = "6"
    & skf21("7","6","2","3","4","2","7","1") = "6"
    & skf21("7","6","2","3","4","3","1","1") = "6"
    & skf21("7","6","2","3","4","3","2","1") = "6"
    & skf21("7","6","2","3","4","3","3","1") = "6"
    & skf21("7","6","2","3","4","3","4","1") = "6"
    & skf21("7","6","2","3","4","3","5","1") = "6"
    & skf21("7","6","2","3","4","3","6","1") = "6"
    & skf21("7","6","2","3","4","3","7","1") = "6"
    & skf21("7","6","2","3","4","4","1","1") = "6"
    & skf21("7","6","2","3","4","4","2","1") = "6"
    & skf21("7","6","2","3","4","4","3","1") = "6"
    & skf21("7","6","2","3","4","4","4","1") = "6"
    & skf21("7","6","2","3","4","4","5","1") = "6"
    & skf21("7","6","2","3","4","4","6","1") = "6"
    & skf21("7","6","2","3","4","4","7","1") = "6"
    & skf21("7","6","2","3","4","5","1","1") = "6"
    & skf21("7","6","2","3","4","5","2","1") = "6"
    & skf21("7","6","2","3","4","5","3","1") = "6"
    & skf21("7","6","2","3","4","5","4","1") = "6"
    & skf21("7","6","2","3","4","5","5","1") = "6"
    & skf21("7","6","2","3","4","5","6","1") = "6"
    & skf21("7","6","2","3","4","5","7","1") = "6"
    & skf21("7","6","2","3","4","6","1","1") = "6"
    & skf21("7","6","2","3","4","6","2","1") = "6"
    & skf21("7","6","2","3","4","6","3","1") = "6"
    & skf21("7","6","2","3","4","6","4","1") = "6"
    & skf21("7","6","2","3","4","6","5","1") = "6"
    & skf21("7","6","2","3","4","6","6","1") = "6"
    & skf21("7","6","2","3","4","6","7","1") = "6"
    & skf21("7","6","2","3","4","7","1","1") = "6"
    & skf21("7","6","2","3","4","7","2","1") = "6"
    & skf21("7","6","2","3","4","7","3","1") = "6"
    & skf21("7","6","2","3","4","7","4","1") = "6"
    & skf21("7","6","2","3","4","7","5","1") = "6"
    & skf21("7","6","2","3","4","7","6","1") = "6"
    & skf21("7","6","2","3","4","7","7","1") = "6"
    & skf21("7","6","2","3","5","1","1","1") = "6"
    & skf21("7","6","2","3","5","1","2","1") = "6"
    & skf21("7","6","2","3","5","1","3","1") = "6"
    & skf21("7","6","2","3","5","1","4","1") = "6"
    & skf21("7","6","2","3","5","1","5","1") = "6"
    & skf21("7","6","2","3","5","1","6","1") = "6"
    & skf21("7","6","2","3","5","1","7","1") = "6"
    & skf21("7","6","2","3","5","2","1","1") = "6"
    & skf21("7","6","2","3","5","2","2","1") = "6"
    & skf21("7","6","2","3","5","2","3","1") = "6"
    & skf21("7","6","2","3","5","2","4","1") = "6"
    & skf21("7","6","2","3","5","2","5","1") = "6"
    & skf21("7","6","2","3","5","2","6","1") = "6"
    & skf21("7","6","2","3","5","2","7","1") = "6"
    & skf21("7","6","2","3","5","3","1","1") = "6"
    & skf21("7","6","2","3","5","3","2","1") = "6"
    & skf21("7","6","2","3","5","3","3","1") = "6"
    & skf21("7","6","2","3","5","3","4","1") = "6"
    & skf21("7","6","2","3","5","3","5","1") = "6"
    & skf21("7","6","2","3","5","3","6","1") = "6"
    & skf21("7","6","2","3","5","3","7","1") = "6"
    & skf21("7","6","2","3","5","4","1","1") = "6"
    & skf21("7","6","2","3","5","4","2","1") = "6"
    & skf21("7","6","2","3","5","4","3","1") = "6"
    & skf21("7","6","2","3","5","4","4","1") = "6"
    & skf21("7","6","2","3","5","4","5","1") = "6"
    & skf21("7","6","2","3","5","4","6","1") = "6"
    & skf21("7","6","2","3","5","4","7","1") = "6"
    & skf21("7","6","2","3","5","5","1","1") = "6"
    & skf21("7","6","2","3","5","5","2","1") = "6"
    & skf21("7","6","2","3","5","5","3","1") = "6"
    & skf21("7","6","2","3","5","5","4","1") = "6"
    & skf21("7","6","2","3","5","5","5","1") = "6"
    & skf21("7","6","2","3","5","5","6","1") = "6"
    & skf21("7","6","2","3","5","5","7","1") = "6"
    & skf21("7","6","2","3","5","6","1","1") = "6"
    & skf21("7","6","2","3","5","6","2","1") = "6"
    & skf21("7","6","2","3","5","6","3","1") = "6"
    & skf21("7","6","2","3","5","6","4","1") = "6"
    & skf21("7","6","2","3","5","6","5","1") = "6"
    & skf21("7","6","2","3","5","6","6","1") = "6"
    & skf21("7","6","2","3","5","6","7","1") = "6"
    & skf21("7","6","2","3","5","7","1","1") = "6"
    & skf21("7","6","2","3","5","7","2","1") = "6"
    & skf21("7","6","2","3","5","7","3","1") = "6"
    & skf21("7","6","2","3","5","7","4","1") = "6"
    & skf21("7","6","2","3","5","7","5","1") = "6"
    & skf21("7","6","2","3","5","7","6","1") = "6"
    & skf21("7","6","2","3","5","7","7","1") = "6"
    & skf21("7","6","2","3","6","1","1","1") = "6"
    & skf21("7","6","2","3","6","1","2","1") = "6"
    & skf21("7","6","2","3","6","1","3","1") = "6"
    & skf21("7","6","2","3","6","1","4","1") = "6"
    & skf21("7","6","2","3","6","1","5","1") = "6"
    & skf21("7","6","2","3","6","1","6","1") = "6"
    & skf21("7","6","2","3","6","1","7","1") = "6"
    & skf21("7","6","2","3","6","2","1","1") = "6"
    & skf21("7","6","2","3","6","2","2","1") = "6"
    & skf21("7","6","2","3","6","2","3","1") = "6"
    & skf21("7","6","2","3","6","2","4","1") = "6"
    & skf21("7","6","2","3","6","2","5","1") = "6"
    & skf21("7","6","2","3","6","2","6","1") = "6"
    & skf21("7","6","2","3","6","2","7","1") = "6"
    & skf21("7","6","2","3","6","3","1","1") = "6"
    & skf21("7","6","2","3","6","3","2","1") = "6"
    & skf21("7","6","2","3","6","3","3","1") = "6"
    & skf21("7","6","2","3","6","3","4","1") = "6"
    & skf21("7","6","2","3","6","3","5","1") = "6"
    & skf21("7","6","2","3","6","3","6","1") = "6"
    & skf21("7","6","2","3","6","3","7","1") = "6"
    & skf21("7","6","2","3","6","4","1","1") = "6"
    & skf21("7","6","2","3","6","4","2","1") = "6"
    & skf21("7","6","2","3","6","4","3","1") = "6"
    & skf21("7","6","2","3","6","4","4","1") = "6"
    & skf21("7","6","2","3","6","4","5","1") = "6"
    & skf21("7","6","2","3","6","4","6","1") = "6"
    & skf21("7","6","2","3","6","4","7","1") = "6"
    & skf21("7","6","2","3","6","5","1","1") = "6"
    & skf21("7","6","2","3","6","5","2","1") = "6"
    & skf21("7","6","2","3","6","5","3","1") = "6"
    & skf21("7","6","2","3","6","5","4","1") = "6"
    & skf21("7","6","2","3","6","5","5","1") = "6"
    & skf21("7","6","2","3","6","5","6","1") = "6"
    & skf21("7","6","2","3","6","5","7","1") = "6"
    & skf21("7","6","2","3","6","6","1","1") = "6"
    & skf21("7","6","2","3","6","6","2","1") = "6"
    & skf21("7","6","2","3","6","6","3","1") = "6"
    & skf21("7","6","2","3","6","6","4","1") = "6"
    & skf21("7","6","2","3","6","6","5","1") = "6"
    & skf21("7","6","2","3","6","6","6","1") = "6"
    & skf21("7","6","2","3","6","6","7","1") = "6"
    & skf21("7","6","2","3","6","7","1","1") = "6"
    & skf21("7","6","2","3","6","7","2","1") = "6"
    & skf21("7","6","2","3","6","7","3","1") = "6"
    & skf21("7","6","2","3","6","7","4","1") = "6"
    & skf21("7","6","2","3","6","7","5","1") = "6"
    & skf21("7","6","2","3","6","7","6","1") = "6"
    & skf21("7","6","2","3","6","7","7","1") = "6"
    & skf21("7","6","2","3","7","1","1","1") = "6"
    & skf21("7","6","2","3","7","1","2","1") = "6"
    & skf21("7","6","2","3","7","1","3","1") = "6"
    & skf21("7","6","2","3","7","1","4","1") = "6"
    & skf21("7","6","2","3","7","1","5","1") = "6"
    & skf21("7","6","2","3","7","1","6","1") = "6"
    & skf21("7","6","2","3","7","1","7","1") = "6"
    & skf21("7","6","2","3","7","2","1","1") = "6"
    & skf21("7","6","2","3","7","2","2","1") = "6"
    & skf21("7","6","2","3","7","2","3","1") = "6"
    & skf21("7","6","2","3","7","2","4","1") = "6"
    & skf21("7","6","2","3","7","2","5","1") = "6"
    & skf21("7","6","2","3","7","2","6","1") = "6"
    & skf21("7","6","2","3","7","2","7","1") = "6"
    & skf21("7","6","2","3","7","3","1","1") = "6"
    & skf21("7","6","2","3","7","3","2","1") = "6"
    & skf21("7","6","2","3","7","3","3","1") = "6"
    & skf21("7","6","2","3","7","3","4","1") = "6"
    & skf21("7","6","2","3","7","3","5","1") = "6"
    & skf21("7","6","2","3","7","3","6","1") = "6"
    & skf21("7","6","2","3","7","3","7","1") = "6"
    & skf21("7","6","2","3","7","4","1","1") = "6"
    & skf21("7","6","2","3","7","4","2","1") = "6"
    & skf21("7","6","2","3","7","4","3","1") = "6"
    & skf21("7","6","2","3","7","4","4","1") = "6"
    & skf21("7","6","2","3","7","4","5","1") = "6"
    & skf21("7","6","2","3","7","4","6","1") = "6"
    & skf21("7","6","2","3","7","4","7","1") = "6"
    & skf21("7","6","2","3","7","5","1","1") = "6"
    & skf21("7","6","2","3","7","5","2","1") = "6"
    & skf21("7","6","2","3","7","5","3","1") = "6"
    & skf21("7","6","2","3","7","5","4","1") = "6"
    & skf21("7","6","2","3","7","5","5","1") = "6"
    & skf21("7","6","2","3","7","5","6","1") = "6"
    & skf21("7","6","2","3","7","5","7","1") = "6"
    & skf21("7","6","2","3","7","6","1","1") = "6"
    & skf21("7","6","2","3","7","6","2","1") = "6"
    & skf21("7","6","2","3","7","6","3","1") = "6"
    & skf21("7","6","2","3","7","6","4","1") = "6"
    & skf21("7","6","2","3","7","6","5","1") = "6"
    & skf21("7","6","2","3","7","6","6","1") = "6"
    & skf21("7","6","2","3","7","6","7","1") = "6"
    & skf21("7","6","2","3","7","7","1","1") = "6"
    & skf21("7","6","2","3","7","7","2","1") = "6"
    & skf21("7","6","2","3","7","7","3","1") = "6"
    & skf21("7","6","2","3","7","7","4","1") = "6"
    & skf21("7","6","2","3","7","7","5","1") = "6"
    & skf21("7","6","2","3","7","7","6","1") = "6"
    & skf21("7","6","2","3","7","7","7","1") = "6"
    & skf21("7","6","2","4","1","1","1","1") = "6"
    & skf21("7","6","2","4","1","1","2","1") = "6"
    & skf21("7","6","2","4","1","1","3","1") = "6"
    & skf21("7","6","2","4","1","1","4","1") = "6"
    & skf21("7","6","2","4","1","1","5","1") = "6"
    & skf21("7","6","2","4","1","1","6","1") = "6"
    & skf21("7","6","2","4","1","1","7","1") = "6"
    & skf21("7","6","2","4","1","2","1","1") = "6"
    & skf21("7","6","2","4","1","2","2","1") = "6"
    & skf21("7","6","2","4","1","2","3","1") = "6"
    & skf21("7","6","2","4","1","2","4","1") = "6"
    & skf21("7","6","2","4","1","2","5","1") = "6"
    & skf21("7","6","2","4","1","2","6","1") = "6"
    & skf21("7","6","2","4","1","2","7","1") = "6"
    & skf21("7","6","2","4","1","3","1","1") = "6"
    & skf21("7","6","2","4","1","3","2","1") = "6"
    & skf21("7","6","2","4","1","3","3","1") = "6"
    & skf21("7","6","2","4","1","3","4","1") = "6"
    & skf21("7","6","2","4","1","3","5","1") = "6"
    & skf21("7","6","2","4","1","3","6","1") = "6"
    & skf21("7","6","2","4","1","3","7","1") = "6"
    & skf21("7","6","2","4","1","4","1","1") = "6"
    & skf21("7","6","2","4","1","4","2","1") = "6"
    & skf21("7","6","2","4","1","4","3","1") = "6"
    & skf21("7","6","2","4","1","4","4","1") = "6"
    & skf21("7","6","2","4","1","4","5","1") = "6"
    & skf21("7","6","2","4","1","4","6","1") = "6"
    & skf21("7","6","2","4","1","4","7","1") = "6"
    & skf21("7","6","2","4","1","5","1","1") = "6"
    & skf21("7","6","2","4","1","5","2","1") = "6"
    & skf21("7","6","2","4","1","5","3","1") = "6"
    & skf21("7","6","2","4","1","5","4","1") = "6"
    & skf21("7","6","2","4","1","5","5","1") = "6"
    & skf21("7","6","2","4","1","5","6","1") = "6"
    & skf21("7","6","2","4","1","5","7","1") = "6"
    & skf21("7","6","2","4","1","6","1","1") = "6"
    & skf21("7","6","2","4","1","6","2","1") = "6"
    & skf21("7","6","2","4","1","6","3","1") = "6"
    & skf21("7","6","2","4","1","6","4","1") = "6"
    & skf21("7","6","2","4","1","6","5","1") = "6"
    & skf21("7","6","2","4","1","6","6","1") = "6"
    & skf21("7","6","2","4","1","6","7","1") = "6"
    & skf21("7","6","2","4","1","7","1","1") = "6"
    & skf21("7","6","2","4","1","7","2","1") = "6"
    & skf21("7","6","2","4","1","7","3","1") = "6"
    & skf21("7","6","2","4","1","7","4","1") = "6"
    & skf21("7","6","2","4","1","7","5","1") = "6"
    & skf21("7","6","2","4","1","7","6","1") = "6"
    & skf21("7","6","2","4","1","7","7","1") = "6"
    & skf21("7","6","2","4","2","1","1","1") = "6"
    & skf21("7","6","2","4","2","1","2","1") = "6"
    & skf21("7","6","2","4","2","1","3","1") = "6"
    & skf21("7","6","2","4","2","1","4","1") = "6"
    & skf21("7","6","2","4","2","1","5","1") = "6"
    & skf21("7","6","2","4","2","1","6","1") = "6"
    & skf21("7","6","2","4","2","1","7","1") = "6"
    & skf21("7","6","2","4","2","2","1","1") = "6"
    & skf21("7","6","2","4","2","2","2","1") = "6"
    & skf21("7","6","2","4","2","2","3","1") = "6"
    & skf21("7","6","2","4","2","2","4","1") = "6"
    & skf21("7","6","2","4","2","2","5","1") = "6"
    & skf21("7","6","2","4","2","2","6","1") = "6"
    & skf21("7","6","2","4","2","2","7","1") = "6"
    & skf21("7","6","2","4","2","3","1","1") = "6"
    & skf21("7","6","2","4","2","3","2","1") = "6"
    & skf21("7","6","2","4","2","3","3","1") = "6"
    & skf21("7","6","2","4","2","3","4","1") = "6"
    & skf21("7","6","2","4","2","3","5","1") = "6"
    & skf21("7","6","2","4","2","3","6","1") = "6"
    & skf21("7","6","2","4","2","3","7","1") = "6"
    & skf21("7","6","2","4","2","4","1","1") = "6"
    & skf21("7","6","2","4","2","4","2","1") = "6"
    & skf21("7","6","2","4","2","4","3","1") = "6"
    & skf21("7","6","2","4","2","4","4","1") = "6"
    & skf21("7","6","2","4","2","4","5","1") = "6"
    & skf21("7","6","2","4","2","4","6","1") = "6"
    & skf21("7","6","2","4","2","4","7","1") = "6"
    & skf21("7","6","2","4","2","5","1","1") = "6"
    & skf21("7","6","2","4","2","5","2","1") = "6"
    & skf21("7","6","2","4","2","5","3","1") = "6"
    & skf21("7","6","2","4","2","5","4","1") = "6"
    & skf21("7","6","2","4","2","5","5","1") = "6"
    & skf21("7","6","2","4","2","5","6","1") = "6"
    & skf21("7","6","2","4","2","5","7","1") = "6"
    & skf21("7","6","2","4","2","6","1","1") = "6"
    & skf21("7","6","2","4","2","6","2","1") = "6"
    & skf21("7","6","2","4","2","6","3","1") = "6"
    & skf21("7","6","2","4","2","6","4","1") = "6"
    & skf21("7","6","2","4","2","6","5","1") = "6"
    & skf21("7","6","2","4","2","6","6","1") = "6"
    & skf21("7","6","2","4","2","6","7","1") = "6"
    & skf21("7","6","2","4","2","7","1","1") = "6"
    & skf21("7","6","2","4","2","7","2","1") = "6"
    & skf21("7","6","2","4","2","7","3","1") = "6"
    & skf21("7","6","2","4","2","7","4","1") = "6"
    & skf21("7","6","2","4","2","7","5","1") = "6"
    & skf21("7","6","2","4","2","7","6","1") = "6"
    & skf21("7","6","2","4","2","7","7","1") = "6"
    & skf21("7","6","2","4","3","1","1","1") = "6"
    & skf21("7","6","2","4","3","1","2","1") = "6"
    & skf21("7","6","2","4","3","1","3","1") = "6"
    & skf21("7","6","2","4","3","1","4","1") = "6"
    & skf21("7","6","2","4","3","1","5","1") = "6"
    & skf21("7","6","2","4","3","1","6","1") = "6"
    & skf21("7","6","2","4","3","1","7","1") = "6"
    & skf21("7","6","2","4","3","2","1","1") = "6"
    & skf21("7","6","2","4","3","2","2","1") = "6"
    & skf21("7","6","2","4","3","2","3","1") = "6"
    & skf21("7","6","2","4","3","2","4","1") = "6"
    & skf21("7","6","2","4","3","2","5","1") = "6"
    & skf21("7","6","2","4","3","2","6","1") = "6"
    & skf21("7","6","2","4","3","2","7","1") = "6"
    & skf21("7","6","2","4","3","3","1","1") = "6"
    & skf21("7","6","2","4","3","3","2","1") = "6"
    & skf21("7","6","2","4","3","3","3","1") = "6"
    & skf21("7","6","2","4","3","3","4","1") = "6"
    & skf21("7","6","2","4","3","3","5","1") = "6"
    & skf21("7","6","2","4","3","3","6","1") = "6"
    & skf21("7","6","2","4","3","3","7","1") = "6"
    & skf21("7","6","2","4","3","4","1","1") = "6"
    & skf21("7","6","2","4","3","4","2","1") = "6"
    & skf21("7","6","2","4","3","4","3","1") = "6"
    & skf21("7","6","2","4","3","4","4","1") = "6"
    & skf21("7","6","2","4","3","4","5","1") = "6"
    & skf21("7","6","2","4","3","4","6","1") = "6"
    & skf21("7","6","2","4","3","4","7","1") = "6"
    & skf21("7","6","2","4","3","5","1","1") = "6"
    & skf21("7","6","2","4","3","5","2","1") = "6"
    & skf21("7","6","2","4","3","5","3","1") = "6"
    & skf21("7","6","2","4","3","5","4","1") = "6"
    & skf21("7","6","2","4","3","5","5","1") = "6"
    & skf21("7","6","2","4","3","5","6","1") = "6"
    & skf21("7","6","2","4","3","5","7","1") = "6"
    & skf21("7","6","2","4","3","6","1","1") = "6"
    & skf21("7","6","2","4","3","6","2","1") = "6"
    & skf21("7","6","2","4","3","6","3","1") = "6"
    & skf21("7","6","2","4","3","6","4","1") = "6"
    & skf21("7","6","2","4","3","6","5","1") = "6"
    & skf21("7","6","2","4","3","6","6","1") = "6"
    & skf21("7","6","2","4","3","6","7","1") = "6"
    & skf21("7","6","2","4","3","7","1","1") = "6"
    & skf21("7","6","2","4","3","7","2","1") = "6"
    & skf21("7","6","2","4","3","7","3","1") = "6"
    & skf21("7","6","2","4","3","7","4","1") = "6"
    & skf21("7","6","2","4","3","7","5","1") = "6"
    & skf21("7","6","2","4","3","7","6","1") = "6"
    & skf21("7","6","2","4","3","7","7","1") = "6"
    & skf21("7","6","2","4","4","1","1","1") = "6"
    & skf21("7","6","2","4","4","1","2","1") = "6"
    & skf21("7","6","2","4","4","1","3","1") = "6"
    & skf21("7","6","2","4","4","1","4","1") = "6"
    & skf21("7","6","2","4","4","1","5","1") = "6"
    & skf21("7","6","2","4","4","1","6","1") = "6"
    & skf21("7","6","2","4","4","1","7","1") = "6"
    & skf21("7","6","2","4","4","2","1","1") = "6"
    & skf21("7","6","2","4","4","2","2","1") = "6"
    & skf21("7","6","2","4","4","2","3","1") = "6"
    & skf21("7","6","2","4","4","2","4","1") = "6"
    & skf21("7","6","2","4","4","2","5","1") = "6"
    & skf21("7","6","2","4","4","2","6","1") = "6"
    & skf21("7","6","2","4","4","2","7","1") = "6"
    & skf21("7","6","2","4","4","3","1","1") = "6"
    & skf21("7","6","2","4","4","3","2","1") = "6"
    & skf21("7","6","2","4","4","3","3","1") = "6"
    & skf21("7","6","2","4","4","3","4","1") = "6"
    & skf21("7","6","2","4","4","3","5","1") = "6"
    & skf21("7","6","2","4","4","3","6","1") = "6"
    & skf21("7","6","2","4","4","3","7","1") = "6"
    & skf21("7","6","2","4","4","4","1","1") = "6"
    & skf21("7","6","2","4","4","4","2","1") = "6"
    & skf21("7","6","2","4","4","4","3","1") = "6"
    & skf21("7","6","2","4","4","4","4","1") = "6"
    & skf21("7","6","2","4","4","4","5","1") = "6"
    & skf21("7","6","2","4","4","4","6","1") = "6"
    & skf21("7","6","2","4","4","4","7","1") = "6"
    & skf21("7","6","2","4","4","5","1","1") = "6"
    & skf21("7","6","2","4","4","5","2","1") = "6"
    & skf21("7","6","2","4","4","5","3","1") = "6"
    & skf21("7","6","2","4","4","5","4","1") = "6"
    & skf21("7","6","2","4","4","5","5","1") = "6"
    & skf21("7","6","2","4","4","5","6","1") = "6"
    & skf21("7","6","2","4","4","5","7","1") = "6"
    & skf21("7","6","2","4","4","6","1","1") = "6"
    & skf21("7","6","2","4","4","6","2","1") = "6"
    & skf21("7","6","2","4","4","6","3","1") = "6"
    & skf21("7","6","2","4","4","6","4","1") = "6"
    & skf21("7","6","2","4","4","6","5","1") = "6"
    & skf21("7","6","2","4","4","6","6","1") = "6"
    & skf21("7","6","2","4","4","6","7","1") = "6"
    & skf21("7","6","2","4","4","7","1","1") = "6"
    & skf21("7","6","2","4","4","7","2","1") = "6"
    & skf21("7","6","2","4","4","7","3","1") = "6"
    & skf21("7","6","2","4","4","7","4","1") = "6"
    & skf21("7","6","2","4","4","7","5","1") = "6"
    & skf21("7","6","2","4","4","7","6","1") = "6"
    & skf21("7","6","2","4","4","7","7","1") = "6"
    & skf21("7","6","2","4","5","1","1","1") = "6"
    & skf21("7","6","2","4","5","1","2","1") = "6"
    & skf21("7","6","2","4","5","1","3","1") = "6"
    & skf21("7","6","2","4","5","1","4","1") = "6"
    & skf21("7","6","2","4","5","1","5","1") = "6"
    & skf21("7","6","2","4","5","1","6","1") = "6"
    & skf21("7","6","2","4","5","1","7","1") = "6"
    & skf21("7","6","2","4","5","2","1","1") = "6"
    & skf21("7","6","2","4","5","2","2","1") = "6"
    & skf21("7","6","2","4","5","2","3","1") = "6"
    & skf21("7","6","2","4","5","2","4","1") = "6"
    & skf21("7","6","2","4","5","2","5","1") = "6"
    & skf21("7","6","2","4","5","2","6","1") = "6"
    & skf21("7","6","2","4","5","2","7","1") = "6"
    & skf21("7","6","2","4","5","3","1","1") = "6"
    & skf21("7","6","2","4","5","3","2","1") = "6"
    & skf21("7","6","2","4","5","3","3","1") = "6"
    & skf21("7","6","2","4","5","3","4","1") = "6"
    & skf21("7","6","2","4","5","3","5","1") = "6"
    & skf21("7","6","2","4","5","3","6","1") = "6"
    & skf21("7","6","2","4","5","3","7","1") = "6"
    & skf21("7","6","2","4","5","4","1","1") = "6"
    & skf21("7","6","2","4","5","4","2","1") = "6"
    & skf21("7","6","2","4","5","4","3","1") = "6"
    & skf21("7","6","2","4","5","4","4","1") = "6"
    & skf21("7","6","2","4","5","4","5","1") = "6"
    & skf21("7","6","2","4","5","4","6","1") = "6"
    & skf21("7","6","2","4","5","4","7","1") = "6"
    & skf21("7","6","2","4","5","5","1","1") = "6"
    & skf21("7","6","2","4","5","5","2","1") = "6"
    & skf21("7","6","2","4","5","5","3","1") = "6"
    & skf21("7","6","2","4","5","5","4","1") = "6"
    & skf21("7","6","2","4","5","5","5","1") = "6"
    & skf21("7","6","2","4","5","5","6","1") = "6"
    & skf21("7","6","2","4","5","5","7","1") = "6"
    & skf21("7","6","2","4","5","6","1","1") = "6"
    & skf21("7","6","2","4","5","6","2","1") = "6"
    & skf21("7","6","2","4","5","6","3","1") = "6"
    & skf21("7","6","2","4","5","6","4","1") = "6"
    & skf21("7","6","2","4","5","6","5","1") = "6"
    & skf21("7","6","2","4","5","6","6","1") = "6"
    & skf21("7","6","2","4","5","6","7","1") = "6"
    & skf21("7","6","2","4","5","7","1","1") = "6"
    & skf21("7","6","2","4","5","7","2","1") = "6"
    & skf21("7","6","2","4","5","7","3","1") = "6"
    & skf21("7","6","2","4","5","7","4","1") = "6"
    & skf21("7","6","2","4","5","7","5","1") = "6"
    & skf21("7","6","2","4","5","7","6","1") = "6"
    & skf21("7","6","2","4","5","7","7","1") = "6"
    & skf21("7","6","2","4","6","1","1","1") = "6"
    & skf21("7","6","2","4","6","1","2","1") = "6"
    & skf21("7","6","2","4","6","1","3","1") = "6"
    & skf21("7","6","2","4","6","1","4","1") = "6"
    & skf21("7","6","2","4","6","1","5","1") = "6"
    & skf21("7","6","2","4","6","1","6","1") = "6"
    & skf21("7","6","2","4","6","1","7","1") = "6"
    & skf21("7","6","2","4","6","2","1","1") = "6"
    & skf21("7","6","2","4","6","2","2","1") = "6"
    & skf21("7","6","2","4","6","2","3","1") = "6"
    & skf21("7","6","2","4","6","2","4","1") = "6"
    & skf21("7","6","2","4","6","2","5","1") = "6"
    & skf21("7","6","2","4","6","2","6","1") = "6"
    & skf21("7","6","2","4","6","2","7","1") = "6"
    & skf21("7","6","2","4","6","3","1","1") = "6"
    & skf21("7","6","2","4","6","3","2","1") = "6"
    & skf21("7","6","2","4","6","3","3","1") = "6"
    & skf21("7","6","2","4","6","3","4","1") = "6"
    & skf21("7","6","2","4","6","3","5","1") = "6"
    & skf21("7","6","2","4","6","3","6","1") = "6"
    & skf21("7","6","2","4","6","3","7","1") = "6"
    & skf21("7","6","2","4","6","4","1","1") = "6"
    & skf21("7","6","2","4","6","4","2","1") = "6"
    & skf21("7","6","2","4","6","4","3","1") = "6"
    & skf21("7","6","2","4","6","4","4","1") = "6"
    & skf21("7","6","2","4","6","4","5","1") = "6"
    & skf21("7","6","2","4","6","4","6","1") = "6"
    & skf21("7","6","2","4","6","4","7","1") = "6"
    & skf21("7","6","2","4","6","5","1","1") = "6"
    & skf21("7","6","2","4","6","5","2","1") = "6"
    & skf21("7","6","2","4","6","5","3","1") = "6"
    & skf21("7","6","2","4","6","5","4","1") = "6"
    & skf21("7","6","2","4","6","5","5","1") = "6"
    & skf21("7","6","2","4","6","5","6","1") = "6"
    & skf21("7","6","2","4","6","5","7","1") = "6"
    & skf21("7","6","2","4","6","6","1","1") = "6"
    & skf21("7","6","2","4","6","6","2","1") = "6"
    & skf21("7","6","2","4","6","6","3","1") = "6"
    & skf21("7","6","2","4","6","6","4","1") = "6"
    & skf21("7","6","2","4","6","6","5","1") = "6"
    & skf21("7","6","2","4","6","6","6","1") = "6"
    & skf21("7","6","2","4","6","6","7","1") = "6"
    & skf21("7","6","2","4","6","7","1","1") = "6"
    & skf21("7","6","2","4","6","7","2","1") = "6"
    & skf21("7","6","2","4","6","7","3","1") = "6"
    & skf21("7","6","2","4","6","7","4","1") = "6"
    & skf21("7","6","2","4","6","7","5","1") = "6"
    & skf21("7","6","2","4","6","7","6","1") = "6"
    & skf21("7","6","2","4","6","7","7","1") = "6"
    & skf21("7","6","2","4","7","1","1","1") = "6"
    & skf21("7","6","2","4","7","1","2","1") = "6"
    & skf21("7","6","2","4","7","1","3","1") = "6"
    & skf21("7","6","2","4","7","1","4","1") = "6"
    & skf21("7","6","2","4","7","1","5","1") = "6"
    & skf21("7","6","2","4","7","1","6","1") = "6"
    & skf21("7","6","2","4","7","1","7","1") = "6"
    & skf21("7","6","2","4","7","2","1","1") = "6"
    & skf21("7","6","2","4","7","2","2","1") = "6"
    & skf21("7","6","2","4","7","2","3","1") = "6"
    & skf21("7","6","2","4","7","2","4","1") = "6"
    & skf21("7","6","2","4","7","2","5","1") = "6"
    & skf21("7","6","2","4","7","2","6","1") = "6"
    & skf21("7","6","2","4","7","2","7","1") = "6"
    & skf21("7","6","2","4","7","3","1","1") = "6"
    & skf21("7","6","2","4","7","3","2","1") = "6"
    & skf21("7","6","2","4","7","3","3","1") = "6"
    & skf21("7","6","2","4","7","3","4","1") = "6"
    & skf21("7","6","2","4","7","3","5","1") = "6"
    & skf21("7","6","2","4","7","3","6","1") = "6"
    & skf21("7","6","2","4","7","3","7","1") = "6"
    & skf21("7","6","2","4","7","4","1","1") = "6"
    & skf21("7","6","2","4","7","4","2","1") = "6"
    & skf21("7","6","2","4","7","4","3","1") = "6"
    & skf21("7","6","2","4","7","4","4","1") = "6"
    & skf21("7","6","2","4","7","4","5","1") = "6"
    & skf21("7","6","2","4","7","4","6","1") = "6"
    & skf21("7","6","2","4","7","4","7","1") = "6"
    & skf21("7","6","2","4","7","5","1","1") = "6"
    & skf21("7","6","2","4","7","5","2","1") = "6"
    & skf21("7","6","2","4","7","5","3","1") = "6"
    & skf21("7","6","2","4","7","5","4","1") = "6"
    & skf21("7","6","2","4","7","5","5","1") = "6"
    & skf21("7","6","2","4","7","5","6","1") = "6"
    & skf21("7","6","2","4","7","5","7","1") = "6"
    & skf21("7","6","2","4","7","6","1","1") = "6"
    & skf21("7","6","2","4","7","6","2","1") = "6"
    & skf21("7","6","2","4","7","6","3","1") = "6"
    & skf21("7","6","2","4","7","6","4","1") = "6"
    & skf21("7","6","2","4","7","6","5","1") = "6"
    & skf21("7","6","2","4","7","6","6","1") = "6"
    & skf21("7","6","2","4","7","6","7","1") = "6"
    & skf21("7","6","2","4","7","7","1","1") = "6"
    & skf21("7","6","2","4","7","7","2","1") = "6"
    & skf21("7","6","2","4","7","7","3","1") = "6"
    & skf21("7","6","2","4","7","7","4","1") = "6"
    & skf21("7","6","2","4","7","7","5","1") = "6"
    & skf21("7","6","2","4","7","7","6","1") = "6"
    & skf21("7","6","2","4","7","7","7","1") = "6"
    & skf21("7","6","2","5","1","1","1","1") = "6"
    & skf21("7","6","2","5","1","1","2","1") = "6"
    & skf21("7","6","2","5","1","1","3","1") = "6"
    & skf21("7","6","2","5","1","1","4","1") = "6"
    & skf21("7","6","2","5","1","1","5","1") = "6"
    & skf21("7","6","2","5","1","1","6","1") = "6"
    & skf21("7","6","2","5","1","1","7","1") = "6"
    & skf21("7","6","2","5","1","2","1","1") = "6"
    & skf21("7","6","2","5","1","2","2","1") = "6"
    & skf21("7","6","2","5","1","2","3","1") = "6"
    & skf21("7","6","2","5","1","2","4","1") = "6"
    & skf21("7","6","2","5","1","2","5","1") = "6"
    & skf21("7","6","2","5","1","2","6","1") = "6"
    & skf21("7","6","2","5","1","2","7","1") = "6"
    & skf21("7","6","2","5","1","3","1","1") = "6"
    & skf21("7","6","2","5","1","3","2","1") = "6"
    & skf21("7","6","2","5","1","3","3","1") = "6"
    & skf21("7","6","2","5","1","3","4","1") = "6"
    & skf21("7","6","2","5","1","3","5","1") = "6"
    & skf21("7","6","2","5","1","3","6","1") = "6"
    & skf21("7","6","2","5","1","3","7","1") = "6"
    & skf21("7","6","2","5","1","4","1","1") = "6"
    & skf21("7","6","2","5","1","4","2","1") = "6"
    & skf21("7","6","2","5","1","4","3","1") = "6"
    & skf21("7","6","2","5","1","4","4","1") = "6"
    & skf21("7","6","2","5","1","4","5","1") = "6"
    & skf21("7","6","2","5","1","4","6","1") = "6"
    & skf21("7","6","2","5","1","4","7","1") = "6"
    & skf21("7","6","2","5","1","5","1","1") = "6"
    & skf21("7","6","2","5","1","5","2","1") = "6"
    & skf21("7","6","2","5","1","5","3","1") = "6"
    & skf21("7","6","2","5","1","5","4","1") = "6"
    & skf21("7","6","2","5","1","5","5","1") = "6"
    & skf21("7","6","2","5","1","5","6","1") = "6"
    & skf21("7","6","2","5","1","5","7","1") = "6"
    & skf21("7","6","2","5","1","6","1","1") = "6"
    & skf21("7","6","2","5","1","6","2","1") = "6"
    & skf21("7","6","2","5","1","6","3","1") = "6"
    & skf21("7","6","2","5","1","6","4","1") = "6"
    & skf21("7","6","2","5","1","6","5","1") = "6"
    & skf21("7","6","2","5","1","6","6","1") = "6"
    & skf21("7","6","2","5","1","6","7","1") = "6"
    & skf21("7","6","2","5","1","7","1","1") = "6"
    & skf21("7","6","2","5","1","7","2","1") = "6"
    & skf21("7","6","2","5","1","7","3","1") = "6"
    & skf21("7","6","2","5","1","7","4","1") = "6"
    & skf21("7","6","2","5","1","7","5","1") = "6"
    & skf21("7","6","2","5","1","7","6","1") = "6"
    & skf21("7","6","2","5","1","7","7","1") = "6"
    & skf21("7","6","2","5","2","1","1","1") = "6"
    & skf21("7","6","2","5","2","1","2","1") = "6"
    & skf21("7","6","2","5","2","1","3","1") = "6"
    & skf21("7","6","2","5","2","1","4","1") = "6"
    & skf21("7","6","2","5","2","1","5","1") = "6"
    & skf21("7","6","2","5","2","1","6","1") = "6"
    & skf21("7","6","2","5","2","1","7","1") = "6"
    & skf21("7","6","2","5","2","2","1","1") = "6"
    & skf21("7","6","2","5","2","2","2","1") = "6"
    & skf21("7","6","2","5","2","2","3","1") = "6"
    & skf21("7","6","2","5","2","2","4","1") = "6"
    & skf21("7","6","2","5","2","2","5","1") = "6"
    & skf21("7","6","2","5","2","2","6","1") = "6"
    & skf21("7","6","2","5","2","2","7","1") = "6"
    & skf21("7","6","2","5","2","3","1","1") = "6"
    & skf21("7","6","2","5","2","3","2","1") = "6"
    & skf21("7","6","2","5","2","3","3","1") = "6"
    & skf21("7","6","2","5","2","3","4","1") = "6"
    & skf21("7","6","2","5","2","3","5","1") = "6"
    & skf21("7","6","2","5","2","3","6","1") = "6"
    & skf21("7","6","2","5","2","3","7","1") = "6"
    & skf21("7","6","2","5","2","4","1","1") = "6"
    & skf21("7","6","2","5","2","4","2","1") = "6"
    & skf21("7","6","2","5","2","4","3","1") = "6"
    & skf21("7","6","2","5","2","4","4","1") = "6"
    & skf21("7","6","2","5","2","4","5","1") = "6"
    & skf21("7","6","2","5","2","4","6","1") = "6"
    & skf21("7","6","2","5","2","4","7","1") = "6"
    & skf21("7","6","2","5","2","5","1","1") = "6"
    & skf21("7","6","2","5","2","5","2","1") = "6"
    & skf21("7","6","2","5","2","5","3","1") = "6"
    & skf21("7","6","2","5","2","5","4","1") = "6"
    & skf21("7","6","2","5","2","5","5","1") = "6"
    & skf21("7","6","2","5","2","5","6","1") = "6"
    & skf21("7","6","2","5","2","5","7","1") = "6"
    & skf21("7","6","2","5","2","6","1","1") = "6"
    & skf21("7","6","2","5","2","6","2","1") = "6"
    & skf21("7","6","2","5","2","6","3","1") = "6"
    & skf21("7","6","2","5","2","6","4","1") = "6"
    & skf21("7","6","2","5","2","6","5","1") = "6"
    & skf21("7","6","2","5","2","6","6","1") = "6"
    & skf21("7","6","2","5","2","6","7","1") = "6"
    & skf21("7","6","2","5","2","7","1","1") = "6"
    & skf21("7","6","2","5","2","7","2","1") = "6"
    & skf21("7","6","2","5","2","7","3","1") = "6"
    & skf21("7","6","2","5","2","7","4","1") = "6"
    & skf21("7","6","2","5","2","7","5","1") = "6"
    & skf21("7","6","2","5","2","7","6","1") = "6"
    & skf21("7","6","2","5","2","7","7","1") = "6"
    & skf21("7","6","2","5","3","1","1","1") = "6"
    & skf21("7","6","2","5","3","1","2","1") = "6"
    & skf21("7","6","2","5","3","1","3","1") = "6"
    & skf21("7","6","2","5","3","1","4","1") = "6"
    & skf21("7","6","2","5","3","1","5","1") = "6"
    & skf21("7","6","2","5","3","1","6","1") = "6"
    & skf21("7","6","2","5","3","1","7","1") = "6"
    & skf21("7","6","2","5","3","2","1","1") = "6"
    & skf21("7","6","2","5","3","2","2","1") = "6"
    & skf21("7","6","2","5","3","2","3","1") = "6"
    & skf21("7","6","2","5","3","2","4","1") = "6"
    & skf21("7","6","2","5","3","2","5","1") = "6"
    & skf21("7","6","2","5","3","2","6","1") = "6"
    & skf21("7","6","2","5","3","2","7","1") = "6"
    & skf21("7","6","2","5","3","3","1","1") = "6"
    & skf21("7","6","2","5","3","3","2","1") = "6"
    & skf21("7","6","2","5","3","3","3","1") = "6"
    & skf21("7","6","2","5","3","3","4","1") = "6"
    & skf21("7","6","2","5","3","3","5","1") = "6"
    & skf21("7","6","2","5","3","3","6","1") = "6"
    & skf21("7","6","2","5","3","3","7","1") = "6"
    & skf21("7","6","2","5","3","4","1","1") = "6"
    & skf21("7","6","2","5","3","4","2","1") = "6"
    & skf21("7","6","2","5","3","4","3","1") = "6"
    & skf21("7","6","2","5","3","4","4","1") = "6"
    & skf21("7","6","2","5","3","4","5","1") = "6"
    & skf21("7","6","2","5","3","4","6","1") = "6"
    & skf21("7","6","2","5","3","4","7","1") = "6"
    & skf21("7","6","2","5","3","5","1","1") = "6"
    & skf21("7","6","2","5","3","5","2","1") = "6"
    & skf21("7","6","2","5","3","5","3","1") = "6"
    & skf21("7","6","2","5","3","5","4","1") = "6"
    & skf21("7","6","2","5","3","5","5","1") = "6"
    & skf21("7","6","2","5","3","5","6","1") = "6"
    & skf21("7","6","2","5","3","5","7","1") = "6"
    & skf21("7","6","2","5","3","6","1","1") = "6"
    & skf21("7","6","2","5","3","6","2","1") = "6"
    & skf21("7","6","2","5","3","6","3","1") = "6"
    & skf21("7","6","2","5","3","6","4","1") = "6"
    & skf21("7","6","2","5","3","6","5","1") = "6"
    & skf21("7","6","2","5","3","6","6","1") = "6"
    & skf21("7","6","2","5","3","6","7","1") = "6"
    & skf21("7","6","2","5","3","7","1","1") = "6"
    & skf21("7","6","2","5","3","7","2","1") = "6"
    & skf21("7","6","2","5","3","7","3","1") = "6"
    & skf21("7","6","2","5","3","7","4","1") = "6"
    & skf21("7","6","2","5","3","7","5","1") = "6"
    & skf21("7","6","2","5","3","7","6","1") = "6"
    & skf21("7","6","2","5","3","7","7","1") = "6"
    & skf21("7","6","2","5","4","1","1","1") = "6"
    & skf21("7","6","2","5","4","1","2","1") = "6"
    & skf21("7","6","2","5","4","1","3","1") = "6"
    & skf21("7","6","2","5","4","1","4","1") = "6"
    & skf21("7","6","2","5","4","1","5","1") = "6"
    & skf21("7","6","2","5","4","1","6","1") = "6"
    & skf21("7","6","2","5","4","1","7","1") = "6"
    & skf21("7","6","2","5","4","2","1","1") = "6"
    & skf21("7","6","2","5","4","2","2","1") = "6"
    & skf21("7","6","2","5","4","2","3","1") = "6"
    & skf21("7","6","2","5","4","2","4","1") = "6"
    & skf21("7","6","2","5","4","2","5","1") = "6"
    & skf21("7","6","2","5","4","2","6","1") = "6"
    & skf21("7","6","2","5","4","2","7","1") = "6"
    & skf21("7","6","2","5","4","3","1","1") = "6"
    & skf21("7","6","2","5","4","3","2","1") = "6"
    & skf21("7","6","2","5","4","3","3","1") = "6"
    & skf21("7","6","2","5","4","3","4","1") = "6"
    & skf21("7","6","2","5","4","3","5","1") = "6"
    & skf21("7","6","2","5","4","3","6","1") = "6"
    & skf21("7","6","2","5","4","3","7","1") = "6"
    & skf21("7","6","2","5","4","4","1","1") = "6"
    & skf21("7","6","2","5","4","4","2","1") = "6"
    & skf21("7","6","2","5","4","4","3","1") = "6"
    & skf21("7","6","2","5","4","4","4","1") = "6"
    & skf21("7","6","2","5","4","4","5","1") = "6"
    & skf21("7","6","2","5","4","4","6","1") = "6"
    & skf21("7","6","2","5","4","4","7","1") = "6"
    & skf21("7","6","2","5","4","5","1","1") = "6"
    & skf21("7","6","2","5","4","5","2","1") = "6"
    & skf21("7","6","2","5","4","5","3","1") = "6"
    & skf21("7","6","2","5","4","5","4","1") = "6"
    & skf21("7","6","2","5","4","5","5","1") = "6"
    & skf21("7","6","2","5","4","5","6","1") = "6"
    & skf21("7","6","2","5","4","5","7","1") = "6"
    & skf21("7","6","2","5","4","6","1","1") = "6"
    & skf21("7","6","2","5","4","6","2","1") = "6"
    & skf21("7","6","2","5","4","6","3","1") = "6"
    & skf21("7","6","2","5","4","6","4","1") = "6"
    & skf21("7","6","2","5","4","6","5","1") = "6"
    & skf21("7","6","2","5","4","6","6","1") = "6"
    & skf21("7","6","2","5","4","6","7","1") = "6"
    & skf21("7","6","2","5","4","7","1","1") = "6"
    & skf21("7","6","2","5","4","7","2","1") = "6"
    & skf21("7","6","2","5","4","7","3","1") = "6"
    & skf21("7","6","2","5","4","7","4","1") = "6"
    & skf21("7","6","2","5","4","7","5","1") = "6"
    & skf21("7","6","2","5","4","7","6","1") = "6"
    & skf21("7","6","2","5","4","7","7","1") = "6"
    & skf21("7","6","2","5","5","1","1","1") = "6"
    & skf21("7","6","2","5","5","1","2","1") = "6"
    & skf21("7","6","2","5","5","1","3","1") = "6"
    & skf21("7","6","2","5","5","1","4","1") = "6"
    & skf21("7","6","2","5","5","1","5","1") = "6"
    & skf21("7","6","2","5","5","1","6","1") = "6"
    & skf21("7","6","2","5","5","1","7","1") = "6"
    & skf21("7","6","2","5","5","2","1","1") = "6"
    & skf21("7","6","2","5","5","2","2","1") = "6"
    & skf21("7","6","2","5","5","2","3","1") = "6"
    & skf21("7","6","2","5","5","2","4","1") = "6"
    & skf21("7","6","2","5","5","2","5","1") = "6"
    & skf21("7","6","2","5","5","2","6","1") = "6"
    & skf21("7","6","2","5","5","2","7","1") = "6"
    & skf21("7","6","2","5","5","3","1","1") = "6"
    & skf21("7","6","2","5","5","3","2","1") = "6"
    & skf21("7","6","2","5","5","3","3","1") = "6"
    & skf21("7","6","2","5","5","3","4","1") = "6"
    & skf21("7","6","2","5","5","3","5","1") = "6"
    & skf21("7","6","2","5","5","3","6","1") = "6"
    & skf21("7","6","2","5","5","3","7","1") = "6"
    & skf21("7","6","2","5","5","4","1","1") = "6"
    & skf21("7","6","2","5","5","4","2","1") = "6"
    & skf21("7","6","2","5","5","4","3","1") = "6"
    & skf21("7","6","2","5","5","4","4","1") = "6"
    & skf21("7","6","2","5","5","4","5","1") = "6"
    & skf21("7","6","2","5","5","4","6","1") = "6"
    & skf21("7","6","2","5","5","4","7","1") = "6"
    & skf21("7","6","2","5","5","5","1","1") = "6"
    & skf21("7","6","2","5","5","5","2","1") = "6"
    & skf21("7","6","2","5","5","5","3","1") = "6"
    & skf21("7","6","2","5","5","5","4","1") = "6"
    & skf21("7","6","2","5","5","5","5","1") = "6"
    & skf21("7","6","2","5","5","5","6","1") = "6"
    & skf21("7","6","2","5","5","5","7","1") = "6"
    & skf21("7","6","2","5","5","6","1","1") = "6"
    & skf21("7","6","2","5","5","6","2","1") = "6"
    & skf21("7","6","2","5","5","6","3","1") = "6"
    & skf21("7","6","2","5","5","6","4","1") = "6"
    & skf21("7","6","2","5","5","6","5","1") = "6"
    & skf21("7","6","2","5","5","6","6","1") = "6"
    & skf21("7","6","2","5","5","6","7","1") = "6"
    & skf21("7","6","2","5","5","7","1","1") = "6"
    & skf21("7","6","2","5","5","7","2","1") = "6"
    & skf21("7","6","2","5","5","7","3","1") = "6"
    & skf21("7","6","2","5","5","7","4","1") = "6"
    & skf21("7","6","2","5","5","7","5","1") = "6"
    & skf21("7","6","2","5","5","7","6","1") = "6"
    & skf21("7","6","2","5","5","7","7","1") = "6"
    & skf21("7","6","2","5","6","1","1","1") = "6"
    & skf21("7","6","2","5","6","1","2","1") = "6"
    & skf21("7","6","2","5","6","1","3","1") = "6"
    & skf21("7","6","2","5","6","1","4","1") = "6"
    & skf21("7","6","2","5","6","1","5","1") = "6"
    & skf21("7","6","2","5","6","1","6","1") = "6"
    & skf21("7","6","2","5","6","1","7","1") = "6"
    & skf21("7","6","2","5","6","2","1","1") = "6"
    & skf21("7","6","2","5","6","2","2","1") = "6"
    & skf21("7","6","2","5","6","2","3","1") = "6"
    & skf21("7","6","2","5","6","2","4","1") = "6"
    & skf21("7","6","2","5","6","2","5","1") = "6"
    & skf21("7","6","2","5","6","2","6","1") = "6"
    & skf21("7","6","2","5","6","2","7","1") = "6"
    & skf21("7","6","2","5","6","3","1","1") = "6"
    & skf21("7","6","2","5","6","3","2","1") = "6"
    & skf21("7","6","2","5","6","3","3","1") = "6"
    & skf21("7","6","2","5","6","3","4","1") = "6"
    & skf21("7","6","2","5","6","3","5","1") = "6"
    & skf21("7","6","2","5","6","3","6","1") = "6"
    & skf21("7","6","2","5","6","3","7","1") = "6"
    & skf21("7","6","2","5","6","4","1","1") = "6"
    & skf21("7","6","2","5","6","4","2","1") = "6"
    & skf21("7","6","2","5","6","4","3","1") = "6"
    & skf21("7","6","2","5","6","4","4","1") = "6"
    & skf21("7","6","2","5","6","4","5","1") = "6"
    & skf21("7","6","2","5","6","4","6","1") = "6"
    & skf21("7","6","2","5","6","4","7","1") = "6"
    & skf21("7","6","2","5","6","5","1","1") = "6"
    & skf21("7","6","2","5","6","5","2","1") = "6"
    & skf21("7","6","2","5","6","5","3","1") = "6"
    & skf21("7","6","2","5","6","5","4","1") = "6"
    & skf21("7","6","2","5","6","5","5","1") = "6"
    & skf21("7","6","2","5","6","5","6","1") = "6"
    & skf21("7","6","2","5","6","5","7","1") = "6"
    & skf21("7","6","2","5","6","6","1","1") = "6"
    & skf21("7","6","2","5","6","6","2","1") = "6"
    & skf21("7","6","2","5","6","6","3","1") = "6"
    & skf21("7","6","2","5","6","6","4","1") = "6"
    & skf21("7","6","2","5","6","6","5","1") = "6"
    & skf21("7","6","2","5","6","6","6","1") = "6"
    & skf21("7","6","2","5","6","6","7","1") = "6"
    & skf21("7","6","2","5","6","7","1","1") = "6"
    & skf21("7","6","2","5","6","7","2","1") = "6"
    & skf21("7","6","2","5","6","7","3","1") = "6"
    & skf21("7","6","2","5","6","7","4","1") = "6"
    & skf21("7","6","2","5","6","7","5","1") = "6"
    & skf21("7","6","2","5","6","7","6","1") = "6"
    & skf21("7","6","2","5","6","7","7","1") = "6"
    & skf21("7","6","2","5","7","1","1","1") = "6"
    & skf21("7","6","2","5","7","1","2","1") = "6"
    & skf21("7","6","2","5","7","1","3","1") = "6"
    & skf21("7","6","2","5","7","1","4","1") = "6"
    & skf21("7","6","2","5","7","1","5","1") = "6"
    & skf21("7","6","2","5","7","1","6","1") = "6"
    & skf21("7","6","2","5","7","1","7","1") = "6"
    & skf21("7","6","2","5","7","2","1","1") = "6"
    & skf21("7","6","2","5","7","2","2","1") = "6"
    & skf21("7","6","2","5","7","2","3","1") = "6"
    & skf21("7","6","2","5","7","2","4","1") = "6"
    & skf21("7","6","2","5","7","2","5","1") = "6"
    & skf21("7","6","2","5","7","2","6","1") = "6"
    & skf21("7","6","2","5","7","2","7","1") = "6"
    & skf21("7","6","2","5","7","3","1","1") = "6"
    & skf21("7","6","2","5","7","3","2","1") = "6"
    & skf21("7","6","2","5","7","3","3","1") = "6"
    & skf21("7","6","2","5","7","3","4","1") = "6"
    & skf21("7","6","2","5","7","3","5","1") = "6"
    & skf21("7","6","2","5","7","3","6","1") = "6"
    & skf21("7","6","2","5","7","3","7","1") = "6"
    & skf21("7","6","2","5","7","4","1","1") = "6"
    & skf21("7","6","2","5","7","4","2","1") = "6"
    & skf21("7","6","2","5","7","4","3","1") = "6"
    & skf21("7","6","2","5","7","4","4","1") = "6"
    & skf21("7","6","2","5","7","4","5","1") = "6"
    & skf21("7","6","2","5","7","4","6","1") = "6"
    & skf21("7","6","2","5","7","4","7","1") = "6"
    & skf21("7","6","2","5","7","5","1","1") = "6"
    & skf21("7","6","2","5","7","5","2","1") = "6"
    & skf21("7","6","2","5","7","5","3","1") = "6"
    & skf21("7","6","2","5","7","5","4","1") = "6"
    & skf21("7","6","2","5","7","5","5","1") = "6"
    & skf21("7","6","2","5","7","5","6","1") = "6"
    & skf21("7","6","2","5","7","5","7","1") = "6"
    & skf21("7","6","2","5","7","6","1","1") = "6"
    & skf21("7","6","2","5","7","6","2","1") = "6"
    & skf21("7","6","2","5","7","6","3","1") = "6"
    & skf21("7","6","2","5","7","6","4","1") = "6"
    & skf21("7","6","2","5","7","6","5","1") = "6"
    & skf21("7","6","2","5","7","6","6","1") = "6"
    & skf21("7","6","2","5","7","6","7","1") = "6"
    & skf21("7","6","2","5","7","7","1","1") = "6"
    & skf21("7","6","2","5","7","7","2","1") = "6"
    & skf21("7","6","2","5","7","7","3","1") = "6"
    & skf21("7","6","2","5","7","7","4","1") = "6"
    & skf21("7","6","2","5","7","7","5","1") = "6"
    & skf21("7","6","2","5","7","7","6","1") = "6"
    & skf21("7","6","2","5","7","7","7","1") = "6"
    & skf21("7","6","2","6","1","1","1","1") = "6"
    & skf21("7","6","2","6","1","1","2","1") = "6"
    & skf21("7","6","2","6","1","1","3","1") = "6"
    & skf21("7","6","2","6","1","1","4","1") = "6"
    & skf21("7","6","2","6","1","1","5","1") = "6"
    & skf21("7","6","2","6","1","1","6","1") = "6"
    & skf21("7","6","2","6","1","1","7","1") = "6"
    & skf21("7","6","2","6","1","2","1","1") = "6"
    & skf21("7","6","2","6","1","2","2","1") = "6"
    & skf21("7","6","2","6","1","2","3","1") = "6"
    & skf21("7","6","2","6","1","2","4","1") = "6"
    & skf21("7","6","2","6","1","2","5","1") = "6"
    & skf21("7","6","2","6","1","2","6","1") = "6"
    & skf21("7","6","2","6","1","2","7","1") = "6"
    & skf21("7","6","2","6","1","3","1","1") = "6"
    & skf21("7","6","2","6","1","3","2","1") = "6"
    & skf21("7","6","2","6","1","3","3","1") = "6"
    & skf21("7","6","2","6","1","3","4","1") = "6"
    & skf21("7","6","2","6","1","3","5","1") = "6"
    & skf21("7","6","2","6","1","3","6","1") = "6"
    & skf21("7","6","2","6","1","3","7","1") = "6"
    & skf21("7","6","2","6","1","4","1","1") = "6"
    & skf21("7","6","2","6","1","4","2","1") = "6"
    & skf21("7","6","2","6","1","4","3","1") = "6"
    & skf21("7","6","2","6","1","4","4","1") = "6"
    & skf21("7","6","2","6","1","4","5","1") = "6"
    & skf21("7","6","2","6","1","4","6","1") = "6"
    & skf21("7","6","2","6","1","4","7","1") = "6"
    & skf21("7","6","2","6","1","5","1","1") = "6"
    & skf21("7","6","2","6","1","5","2","1") = "6"
    & skf21("7","6","2","6","1","5","3","1") = "6"
    & skf21("7","6","2","6","1","5","4","1") = "6"
    & skf21("7","6","2","6","1","5","5","1") = "6"
    & skf21("7","6","2","6","1","5","6","1") = "6"
    & skf21("7","6","2","6","1","5","7","1") = "6"
    & skf21("7","6","2","6","1","6","1","1") = "6"
    & skf21("7","6","2","6","1","6","2","1") = "6"
    & skf21("7","6","2","6","1","6","3","1") = "6"
    & skf21("7","6","2","6","1","6","4","1") = "6"
    & skf21("7","6","2","6","1","6","5","1") = "6"
    & skf21("7","6","2","6","1","6","6","1") = "6"
    & skf21("7","6","2","6","1","6","7","1") = "6"
    & skf21("7","6","2","6","1","7","1","1") = "6"
    & skf21("7","6","2","6","1","7","2","1") = "6"
    & skf21("7","6","2","6","1","7","3","1") = "6"
    & skf21("7","6","2","6","1","7","4","1") = "6"
    & skf21("7","6","2","6","1","7","5","1") = "6"
    & skf21("7","6","2","6","1","7","6","1") = "6"
    & skf21("7","6","2","6","1","7","7","1") = "6"
    & skf21("7","6","2","6","2","1","1","1") = "6"
    & skf21("7","6","2","6","2","1","2","1") = "6"
    & skf21("7","6","2","6","2","1","3","1") = "6"
    & skf21("7","6","2","6","2","1","4","1") = "6"
    & skf21("7","6","2","6","2","1","5","1") = "6"
    & skf21("7","6","2","6","2","1","6","1") = "6"
    & skf21("7","6","2","6","2","1","7","1") = "6"
    & skf21("7","6","2","6","2","2","1","1") = "6"
    & skf21("7","6","2","6","2","2","2","1") = "6"
    & skf21("7","6","2","6","2","2","3","1") = "6"
    & skf21("7","6","2","6","2","2","4","1") = "6"
    & skf21("7","6","2","6","2","2","5","1") = "6"
    & skf21("7","6","2","6","2","2","6","1") = "6"
    & skf21("7","6","2","6","2","2","7","1") = "6"
    & skf21("7","6","2","6","2","3","1","1") = "6"
    & skf21("7","6","2","6","2","3","2","1") = "6"
    & skf21("7","6","2","6","2","3","3","1") = "6"
    & skf21("7","6","2","6","2","3","4","1") = "6"
    & skf21("7","6","2","6","2","3","5","1") = "6"
    & skf21("7","6","2","6","2","3","6","1") = "6"
    & skf21("7","6","2","6","2","3","7","1") = "6"
    & skf21("7","6","2","6","2","4","1","1") = "6"
    & skf21("7","6","2","6","2","4","2","1") = "6"
    & skf21("7","6","2","6","2","4","3","1") = "6"
    & skf21("7","6","2","6","2","4","4","1") = "6"
    & skf21("7","6","2","6","2","4","5","1") = "6"
    & skf21("7","6","2","6","2","4","6","1") = "6"
    & skf21("7","6","2","6","2","4","7","1") = "6"
    & skf21("7","6","2","6","2","5","1","1") = "6"
    & skf21("7","6","2","6","2","5","2","1") = "6"
    & skf21("7","6","2","6","2","5","3","1") = "6"
    & skf21("7","6","2","6","2","5","4","1") = "6"
    & skf21("7","6","2","6","2","5","5","1") = "6"
    & skf21("7","6","2","6","2","5","6","1") = "6"
    & skf21("7","6","2","6","2","5","7","1") = "6"
    & skf21("7","6","2","6","2","6","1","1") = "6"
    & skf21("7","6","2","6","2","6","2","1") = "6"
    & skf21("7","6","2","6","2","6","3","1") = "6"
    & skf21("7","6","2","6","2","6","4","1") = "6"
    & skf21("7","6","2","6","2","6","5","1") = "6"
    & skf21("7","6","2","6","2","6","6","1") = "6"
    & skf21("7","6","2","6","2","6","7","1") = "6"
    & skf21("7","6","2","6","2","7","1","1") = "6"
    & skf21("7","6","2","6","2","7","2","1") = "6"
    & skf21("7","6","2","6","2","7","3","1") = "6"
    & skf21("7","6","2","6","2","7","4","1") = "6"
    & skf21("7","6","2","6","2","7","5","1") = "6"
    & skf21("7","6","2","6","2","7","6","1") = "6"
    & skf21("7","6","2","6","2","7","7","1") = "6"
    & skf21("7","6","2","6","3","1","1","1") = "6"
    & skf21("7","6","2","6","3","1","2","1") = "6"
    & skf21("7","6","2","6","3","1","3","1") = "6"
    & skf21("7","6","2","6","3","1","4","1") = "6"
    & skf21("7","6","2","6","3","1","5","1") = "6"
    & skf21("7","6","2","6","3","1","6","1") = "6"
    & skf21("7","6","2","6","3","1","7","1") = "6"
    & skf21("7","6","2","6","3","2","1","1") = "6"
    & skf21("7","6","2","6","3","2","2","1") = "6"
    & skf21("7","6","2","6","3","2","3","1") = "6"
    & skf21("7","6","2","6","3","2","4","1") = "6"
    & skf21("7","6","2","6","3","2","5","1") = "6"
    & skf21("7","6","2","6","3","2","6","1") = "6"
    & skf21("7","6","2","6","3","2","7","1") = "6"
    & skf21("7","6","2","6","3","3","1","1") = "6"
    & skf21("7","6","2","6","3","3","2","1") = "6"
    & skf21("7","6","2","6","3","3","3","1") = "6"
    & skf21("7","6","2","6","3","3","4","1") = "6"
    & skf21("7","6","2","6","3","3","5","1") = "6"
    & skf21("7","6","2","6","3","3","6","1") = "6"
    & skf21("7","6","2","6","3","3","7","1") = "6"
    & skf21("7","6","2","6","3","4","1","1") = "6"
    & skf21("7","6","2","6","3","4","2","1") = "6"
    & skf21("7","6","2","6","3","4","3","1") = "6"
    & skf21("7","6","2","6","3","4","4","1") = "6"
    & skf21("7","6","2","6","3","4","5","1") = "6"
    & skf21("7","6","2","6","3","4","6","1") = "6"
    & skf21("7","6","2","6","3","4","7","1") = "6"
    & skf21("7","6","2","6","3","5","1","1") = "6"
    & skf21("7","6","2","6","3","5","2","1") = "6"
    & skf21("7","6","2","6","3","5","3","1") = "6"
    & skf21("7","6","2","6","3","5","4","1") = "6"
    & skf21("7","6","2","6","3","5","5","1") = "6"
    & skf21("7","6","2","6","3","5","6","1") = "6"
    & skf21("7","6","2","6","3","5","7","1") = "6"
    & skf21("7","6","2","6","3","6","1","1") = "6"
    & skf21("7","6","2","6","3","6","2","1") = "6"
    & skf21("7","6","2","6","3","6","3","1") = "6"
    & skf21("7","6","2","6","3","6","4","1") = "6"
    & skf21("7","6","2","6","3","6","5","1") = "6"
    & skf21("7","6","2","6","3","6","6","1") = "6"
    & skf21("7","6","2","6","3","6","7","1") = "6"
    & skf21("7","6","2","6","3","7","1","1") = "6"
    & skf21("7","6","2","6","3","7","2","1") = "6"
    & skf21("7","6","2","6","3","7","3","1") = "6"
    & skf21("7","6","2","6","3","7","4","1") = "6"
    & skf21("7","6","2","6","3","7","5","1") = "6"
    & skf21("7","6","2","6","3","7","6","1") = "6"
    & skf21("7","6","2","6","3","7","7","1") = "6"
    & skf21("7","6","2","6","4","1","1","1") = "6"
    & skf21("7","6","2","6","4","1","2","1") = "6"
    & skf21("7","6","2","6","4","1","3","1") = "6"
    & skf21("7","6","2","6","4","1","4","1") = "6"
    & skf21("7","6","2","6","4","1","5","1") = "6"
    & skf21("7","6","2","6","4","1","6","1") = "6"
    & skf21("7","6","2","6","4","1","7","1") = "6"
    & skf21("7","6","2","6","4","2","1","1") = "6"
    & skf21("7","6","2","6","4","2","2","1") = "6"
    & skf21("7","6","2","6","4","2","3","1") = "6"
    & skf21("7","6","2","6","4","2","4","1") = "6"
    & skf21("7","6","2","6","4","2","5","1") = "6"
    & skf21("7","6","2","6","4","2","6","1") = "6"
    & skf21("7","6","2","6","4","2","7","1") = "6"
    & skf21("7","6","2","6","4","3","1","1") = "6"
    & skf21("7","6","2","6","4","3","2","1") = "6"
    & skf21("7","6","2","6","4","3","3","1") = "6"
    & skf21("7","6","2","6","4","3","4","1") = "6"
    & skf21("7","6","2","6","4","3","5","1") = "6"
    & skf21("7","6","2","6","4","3","6","1") = "6"
    & skf21("7","6","2","6","4","3","7","1") = "6"
    & skf21("7","6","2","6","4","4","1","1") = "6"
    & skf21("7","6","2","6","4","4","2","1") = "6"
    & skf21("7","6","2","6","4","4","3","1") = "6"
    & skf21("7","6","2","6","4","4","4","1") = "6"
    & skf21("7","6","2","6","4","4","5","1") = "6"
    & skf21("7","6","2","6","4","4","6","1") = "6"
    & skf21("7","6","2","6","4","4","7","1") = "6"
    & skf21("7","6","2","6","4","5","1","1") = "6"
    & skf21("7","6","2","6","4","5","2","1") = "6"
    & skf21("7","6","2","6","4","5","3","1") = "6"
    & skf21("7","6","2","6","4","5","4","1") = "6"
    & skf21("7","6","2","6","4","5","5","1") = "6"
    & skf21("7","6","2","6","4","5","6","1") = "6"
    & skf21("7","6","2","6","4","5","7","1") = "6"
    & skf21("7","6","2","6","4","6","1","1") = "6"
    & skf21("7","6","2","6","4","6","2","1") = "6"
    & skf21("7","6","2","6","4","6","3","1") = "6"
    & skf21("7","6","2","6","4","6","4","1") = "6"
    & skf21("7","6","2","6","4","6","5","1") = "6"
    & skf21("7","6","2","6","4","6","6","1") = "6"
    & skf21("7","6","2","6","4","6","7","1") = "6"
    & skf21("7","6","2","6","4","7","1","1") = "6"
    & skf21("7","6","2","6","4","7","2","1") = "6"
    & skf21("7","6","2","6","4","7","3","1") = "6"
    & skf21("7","6","2","6","4","7","4","1") = "6"
    & skf21("7","6","2","6","4","7","5","1") = "6"
    & skf21("7","6","2","6","4","7","6","1") = "6"
    & skf21("7","6","2","6","4","7","7","1") = "6"
    & skf21("7","6","2","6","5","1","1","1") = "6"
    & skf21("7","6","2","6","5","1","2","1") = "6"
    & skf21("7","6","2","6","5","1","3","1") = "6"
    & skf21("7","6","2","6","5","1","4","1") = "6"
    & skf21("7","6","2","6","5","1","5","1") = "6"
    & skf21("7","6","2","6","5","1","6","1") = "6"
    & skf21("7","6","2","6","5","1","7","1") = "6"
    & skf21("7","6","2","6","5","2","1","1") = "6"
    & skf21("7","6","2","6","5","2","2","1") = "6"
    & skf21("7","6","2","6","5","2","3","1") = "6"
    & skf21("7","6","2","6","5","2","4","1") = "6"
    & skf21("7","6","2","6","5","2","5","1") = "6"
    & skf21("7","6","2","6","5","2","6","1") = "6"
    & skf21("7","6","2","6","5","2","7","1") = "6"
    & skf21("7","6","2","6","5","3","1","1") = "6"
    & skf21("7","6","2","6","5","3","2","1") = "6"
    & skf21("7","6","2","6","5","3","3","1") = "6"
    & skf21("7","6","2","6","5","3","4","1") = "6"
    & skf21("7","6","2","6","5","3","5","1") = "6"
    & skf21("7","6","2","6","5","3","6","1") = "6"
    & skf21("7","6","2","6","5","3","7","1") = "6"
    & skf21("7","6","2","6","5","4","1","1") = "6"
    & skf21("7","6","2","6","5","4","2","1") = "6"
    & skf21("7","6","2","6","5","4","3","1") = "6"
    & skf21("7","6","2","6","5","4","4","1") = "6"
    & skf21("7","6","2","6","5","4","5","1") = "6"
    & skf21("7","6","2","6","5","4","6","1") = "6"
    & skf21("7","6","2","6","5","4","7","1") = "6"
    & skf21("7","6","2","6","5","5","1","1") = "6"
    & skf21("7","6","2","6","5","5","2","1") = "6"
    & skf21("7","6","2","6","5","5","3","1") = "6"
    & skf21("7","6","2","6","5","5","4","1") = "6"
    & skf21("7","6","2","6","5","5","5","1") = "6"
    & skf21("7","6","2","6","5","5","6","1") = "6"
    & skf21("7","6","2","6","5","5","7","1") = "6"
    & skf21("7","6","2","6","5","6","1","1") = "6"
    & skf21("7","6","2","6","5","6","2","1") = "6"
    & skf21("7","6","2","6","5","6","3","1") = "6"
    & skf21("7","6","2","6","5","6","4","1") = "6"
    & skf21("7","6","2","6","5","6","5","1") = "6"
    & skf21("7","6","2","6","5","6","6","1") = "6"
    & skf21("7","6","2","6","5","6","7","1") = "6"
    & skf21("7","6","2","6","5","7","1","1") = "6"
    & skf21("7","6","2","6","5","7","2","1") = "6"
    & skf21("7","6","2","6","5","7","3","1") = "6"
    & skf21("7","6","2","6","5","7","4","1") = "6"
    & skf21("7","6","2","6","5","7","5","1") = "6"
    & skf21("7","6","2","6","5","7","6","1") = "6"
    & skf21("7","6","2","6","5","7","7","1") = "6"
    & skf21("7","6","2","6","6","1","1","1") = "6"
    & skf21("7","6","2","6","6","1","2","1") = "6"
    & skf21("7","6","2","6","6","1","3","1") = "6"
    & skf21("7","6","2","6","6","1","4","1") = "6"
    & skf21("7","6","2","6","6","1","5","1") = "6"
    & skf21("7","6","2","6","6","1","6","1") = "6"
    & skf21("7","6","2","6","6","1","7","1") = "6"
    & skf21("7","6","2","6","6","2","1","1") = "6"
    & skf21("7","6","2","6","6","2","2","1") = "6"
    & skf21("7","6","2","6","6","2","3","1") = "6"
    & skf21("7","6","2","6","6","2","4","1") = "6"
    & skf21("7","6","2","6","6","2","5","1") = "6"
    & skf21("7","6","2","6","6","2","6","1") = "6"
    & skf21("7","6","2","6","6","2","7","1") = "6"
    & skf21("7","6","2","6","6","3","1","1") = "6"
    & skf21("7","6","2","6","6","3","2","1") = "6"
    & skf21("7","6","2","6","6","3","3","1") = "6"
    & skf21("7","6","2","6","6","3","4","1") = "6"
    & skf21("7","6","2","6","6","3","5","1") = "6"
    & skf21("7","6","2","6","6","3","6","1") = "6"
    & skf21("7","6","2","6","6","3","7","1") = "6"
    & skf21("7","6","2","6","6","4","1","1") = "6"
    & skf21("7","6","2","6","6","4","2","1") = "6"
    & skf21("7","6","2","6","6","4","3","1") = "6"
    & skf21("7","6","2","6","6","4","4","1") = "6"
    & skf21("7","6","2","6","6","4","5","1") = "6"
    & skf21("7","6","2","6","6","4","6","1") = "6"
    & skf21("7","6","2","6","6","4","7","1") = "6"
    & skf21("7","6","2","6","6","5","1","1") = "6"
    & skf21("7","6","2","6","6","5","2","1") = "6"
    & skf21("7","6","2","6","6","5","3","1") = "6"
    & skf21("7","6","2","6","6","5","4","1") = "6"
    & skf21("7","6","2","6","6","5","5","1") = "6"
    & skf21("7","6","2","6","6","5","6","1") = "6"
    & skf21("7","6","2","6","6","5","7","1") = "6"
    & skf21("7","6","2","6","6","6","1","1") = "6"
    & skf21("7","6","2","6","6","6","2","1") = "6"
    & skf21("7","6","2","6","6","6","3","1") = "6"
    & skf21("7","6","2","6","6","6","4","1") = "6"
    & skf21("7","6","2","6","6","6","5","1") = "6"
    & skf21("7","6","2","6","6","6","6","1") = "6"
    & skf21("7","6","2","6","6","6","7","1") = "6"
    & skf21("7","6","2","6","6","7","1","1") = "6"
    & skf21("7","6","2","6","6","7","2","1") = "6"
    & skf21("7","6","2","6","6","7","3","1") = "6"
    & skf21("7","6","2","6","6","7","4","1") = "6"
    & skf21("7","6","2","6","6","7","5","1") = "6"
    & skf21("7","6","2","6","6","7","6","1") = "6"
    & skf21("7","6","2","6","6","7","7","1") = "6"
    & skf21("7","6","2","6","7","1","1","1") = "6"
    & skf21("7","6","2","6","7","1","2","1") = "6"
    & skf21("7","6","2","6","7","1","3","1") = "6"
    & skf21("7","6","2","6","7","1","4","1") = "6"
    & skf21("7","6","2","6","7","1","5","1") = "6"
    & skf21("7","6","2","6","7","1","6","1") = "6"
    & skf21("7","6","2","6","7","1","7","1") = "6"
    & skf21("7","6","2","6","7","2","1","1") = "6"
    & skf21("7","6","2","6","7","2","2","1") = "6"
    & skf21("7","6","2","6","7","2","3","1") = "6"
    & skf21("7","6","2","6","7","2","4","1") = "6"
    & skf21("7","6","2","6","7","2","5","1") = "6"
    & skf21("7","6","2","6","7","2","6","1") = "6"
    & skf21("7","6","2","6","7","2","7","1") = "6"
    & skf21("7","6","2","6","7","3","1","1") = "6"
    & skf21("7","6","2","6","7","3","2","1") = "6"
    & skf21("7","6","2","6","7","3","3","1") = "6"
    & skf21("7","6","2","6","7","3","4","1") = "6"
    & skf21("7","6","2","6","7","3","5","1") = "6"
    & skf21("7","6","2","6","7","3","6","1") = "6"
    & skf21("7","6","2","6","7","3","7","1") = "6"
    & skf21("7","6","2","6","7","4","1","1") = "6"
    & skf21("7","6","2","6","7","4","2","1") = "6"
    & skf21("7","6","2","6","7","4","3","1") = "6"
    & skf21("7","6","2","6","7","4","4","1") = "6"
    & skf21("7","6","2","6","7","4","5","1") = "6"
    & skf21("7","6","2","6","7","4","6","1") = "6"
    & skf21("7","6","2","6","7","4","7","1") = "6"
    & skf21("7","6","2","6","7","5","1","1") = "6"
    & skf21("7","6","2","6","7","5","2","1") = "6"
    & skf21("7","6","2","6","7","5","3","1") = "6"
    & skf21("7","6","2","6","7","5","4","1") = "6"
    & skf21("7","6","2","6","7","5","5","1") = "6"
    & skf21("7","6","2","6","7","5","6","1") = "6"
    & skf21("7","6","2","6","7","5","7","1") = "6"
    & skf21("7","6","2","6","7","6","1","1") = "6"
    & skf21("7","6","2","6","7","6","2","1") = "6"
    & skf21("7","6","2","6","7","6","3","1") = "6"
    & skf21("7","6","2","6","7","6","4","1") = "6"
    & skf21("7","6","2","6","7","6","5","1") = "6"
    & skf21("7","6","2","6","7","6","6","1") = "6"
    & skf21("7","6","2","6","7","6","7","1") = "6"
    & skf21("7","6","2","6","7","7","1","1") = "6"
    & skf21("7","6","2","6","7","7","2","1") = "6"
    & skf21("7","6","2","6","7","7","3","1") = "6"
    & skf21("7","6","2","6","7","7","4","1") = "6"
    & skf21("7","6","2","6","7","7","5","1") = "6"
    & skf21("7","6","2","6","7","7","6","1") = "6"
    & skf21("7","6","2","6","7","7","7","1") = "6"
    & skf21("7","6","2","7","1","1","1","1") = "6"
    & skf21("7","6","2","7","1","1","2","1") = "6"
    & skf21("7","6","2","7","1","1","3","1") = "6"
    & skf21("7","6","2","7","1","1","4","1") = "6"
    & skf21("7","6","2","7","1","1","5","1") = "6"
    & skf21("7","6","2","7","1","1","6","1") = "6"
    & skf21("7","6","2","7","1","1","7","1") = "6"
    & skf21("7","6","2","7","1","2","1","1") = "6"
    & skf21("7","6","2","7","1","2","2","1") = "6"
    & skf21("7","6","2","7","1","2","3","1") = "6"
    & skf21("7","6","2","7","1","2","4","1") = "6"
    & skf21("7","6","2","7","1","2","5","1") = "6"
    & skf21("7","6","2","7","1","2","6","1") = "6"
    & skf21("7","6","2","7","1","2","7","1") = "6"
    & skf21("7","6","2","7","1","3","1","1") = "6"
    & skf21("7","6","2","7","1","3","2","1") = "6"
    & skf21("7","6","2","7","1","3","3","1") = "6"
    & skf21("7","6","2","7","1","3","4","1") = "6"
    & skf21("7","6","2","7","1","3","5","1") = "6"
    & skf21("7","6","2","7","1","3","6","1") = "6"
    & skf21("7","6","2","7","1","3","7","1") = "6"
    & skf21("7","6","2","7","1","4","1","1") = "6"
    & skf21("7","6","2","7","1","4","2","1") = "6"
    & skf21("7","6","2","7","1","4","3","1") = "6"
    & skf21("7","6","2","7","1","4","4","1") = "6"
    & skf21("7","6","2","7","1","4","5","1") = "6"
    & skf21("7","6","2","7","1","4","6","1") = "6"
    & skf21("7","6","2","7","1","4","7","1") = "6"
    & skf21("7","6","2","7","1","5","1","1") = "6"
    & skf21("7","6","2","7","1","5","2","1") = "6"
    & skf21("7","6","2","7","1","5","3","1") = "6"
    & skf21("7","6","2","7","1","5","4","1") = "6"
    & skf21("7","6","2","7","1","5","5","1") = "6"
    & skf21("7","6","2","7","1","5","6","1") = "6"
    & skf21("7","6","2","7","1","5","7","1") = "6"
    & skf21("7","6","2","7","1","6","1","1") = "6"
    & skf21("7","6","2","7","1","6","2","1") = "6"
    & skf21("7","6","2","7","1","6","3","1") = "6"
    & skf21("7","6","2","7","1","6","4","1") = "6"
    & skf21("7","6","2","7","1","6","5","1") = "6"
    & skf21("7","6","2","7","1","6","6","1") = "6"
    & skf21("7","6","2","7","1","6","7","1") = "6"
    & skf21("7","6","2","7","1","7","1","1") = "6"
    & skf21("7","6","2","7","1","7","2","1") = "6"
    & skf21("7","6","2","7","1","7","3","1") = "6"
    & skf21("7","6","2","7","1","7","4","1") = "6"
    & skf21("7","6","2","7","1","7","5","1") = "6"
    & skf21("7","6","2","7","1","7","6","1") = "6"
    & skf21("7","6","2","7","1","7","7","1") = "6"
    & skf21("7","6","2","7","2","1","1","1") = "6"
    & skf21("7","6","2","7","2","1","2","1") = "6"
    & skf21("7","6","2","7","2","1","3","1") = "6"
    & skf21("7","6","2","7","2","1","4","1") = "6"
    & skf21("7","6","2","7","2","1","5","1") = "6"
    & skf21("7","6","2","7","2","1","6","1") = "6"
    & skf21("7","6","2","7","2","1","7","1") = "6"
    & skf21("7","6","2","7","2","2","1","1") = "6"
    & skf21("7","6","2","7","2","2","2","1") = "6"
    & skf21("7","6","2","7","2","2","3","1") = "6"
    & skf21("7","6","2","7","2","2","4","1") = "6"
    & skf21("7","6","2","7","2","2","5","1") = "6"
    & skf21("7","6","2","7","2","2","6","1") = "6"
    & skf21("7","6","2","7","2","2","7","1") = "6"
    & skf21("7","6","2","7","2","3","1","1") = "6"
    & skf21("7","6","2","7","2","3","2","1") = "6"
    & skf21("7","6","2","7","2","3","3","1") = "6"
    & skf21("7","6","2","7","2","3","4","1") = "6"
    & skf21("7","6","2","7","2","3","5","1") = "6"
    & skf21("7","6","2","7","2","3","6","1") = "6"
    & skf21("7","6","2","7","2","3","7","1") = "6"
    & skf21("7","6","2","7","2","4","1","1") = "6"
    & skf21("7","6","2","7","2","4","2","1") = "6"
    & skf21("7","6","2","7","2","4","3","1") = "6"
    & skf21("7","6","2","7","2","4","4","1") = "6"
    & skf21("7","6","2","7","2","4","5","1") = "6"
    & skf21("7","6","2","7","2","4","6","1") = "6"
    & skf21("7","6","2","7","2","4","7","1") = "6"
    & skf21("7","6","2","7","2","5","1","1") = "6"
    & skf21("7","6","2","7","2","5","2","1") = "6"
    & skf21("7","6","2","7","2","5","3","1") = "6"
    & skf21("7","6","2","7","2","5","4","1") = "6"
    & skf21("7","6","2","7","2","5","5","1") = "6"
    & skf21("7","6","2","7","2","5","6","1") = "6"
    & skf21("7","6","2","7","2","5","7","1") = "6"
    & skf21("7","6","2","7","2","6","1","1") = "6"
    & skf21("7","6","2","7","2","6","2","1") = "6"
    & skf21("7","6","2","7","2","6","3","1") = "6"
    & skf21("7","6","2","7","2","6","4","1") = "6"
    & skf21("7","6","2","7","2","6","5","1") = "6"
    & skf21("7","6","2","7","2","6","6","1") = "6"
    & skf21("7","6","2","7","2","6","7","1") = "6"
    & skf21("7","6","2","7","2","7","1","1") = "6"
    & skf21("7","6","2","7","2","7","2","1") = "6"
    & skf21("7","6","2","7","2","7","3","1") = "6"
    & skf21("7","6","2","7","2","7","4","1") = "6"
    & skf21("7","6","2","7","2","7","5","1") = "6"
    & skf21("7","6","2","7","2","7","6","1") = "6"
    & skf21("7","6","2","7","2","7","7","1") = "6"
    & skf21("7","6","2","7","3","1","1","1") = "6"
    & skf21("7","6","2","7","3","1","2","1") = "6"
    & skf21("7","6","2","7","3","1","3","1") = "6"
    & skf21("7","6","2","7","3","1","4","1") = "6"
    & skf21("7","6","2","7","3","1","5","1") = "6"
    & skf21("7","6","2","7","3","1","6","1") = "6"
    & skf21("7","6","2","7","3","1","7","1") = "6"
    & skf21("7","6","2","7","3","2","1","1") = "6"
    & skf21("7","6","2","7","3","2","2","1") = "6"
    & skf21("7","6","2","7","3","2","3","1") = "6"
    & skf21("7","6","2","7","3","2","4","1") = "6"
    & skf21("7","6","2","7","3","2","5","1") = "6"
    & skf21("7","6","2","7","3","2","6","1") = "6"
    & skf21("7","6","2","7","3","2","7","1") = "6"
    & skf21("7","6","2","7","3","3","1","1") = "6"
    & skf21("7","6","2","7","3","3","2","1") = "6"
    & skf21("7","6","2","7","3","3","3","1") = "6"
    & skf21("7","6","2","7","3","3","4","1") = "6"
    & skf21("7","6","2","7","3","3","5","1") = "6"
    & skf21("7","6","2","7","3","3","6","1") = "6"
    & skf21("7","6","2","7","3","3","7","1") = "6"
    & skf21("7","6","2","7","3","4","1","1") = "6"
    & skf21("7","6","2","7","3","4","2","1") = "6"
    & skf21("7","6","2","7","3","4","3","1") = "6"
    & skf21("7","6","2","7","3","4","4","1") = "6"
    & skf21("7","6","2","7","3","4","5","1") = "6"
    & skf21("7","6","2","7","3","4","6","1") = "6"
    & skf21("7","6","2","7","3","4","7","1") = "6"
    & skf21("7","6","2","7","3","5","1","1") = "6"
    & skf21("7","6","2","7","3","5","2","1") = "6"
    & skf21("7","6","2","7","3","5","3","1") = "6"
    & skf21("7","6","2","7","3","5","4","1") = "6"
    & skf21("7","6","2","7","3","5","5","1") = "6"
    & skf21("7","6","2","7","3","5","6","1") = "6"
    & skf21("7","6","2","7","3","5","7","1") = "6"
    & skf21("7","6","2","7","3","6","1","1") = "6"
    & skf21("7","6","2","7","3","6","2","1") = "6"
    & skf21("7","6","2","7","3","6","3","1") = "6"
    & skf21("7","6","2","7","3","6","4","1") = "6"
    & skf21("7","6","2","7","3","6","5","1") = "6"
    & skf21("7","6","2","7","3","6","6","1") = "6"
    & skf21("7","6","2","7","3","6","7","1") = "6"
    & skf21("7","6","2","7","3","7","1","1") = "6"
    & skf21("7","6","2","7","3","7","2","1") = "6"
    & skf21("7","6","2","7","3","7","3","1") = "6"
    & skf21("7","6","2","7","3","7","4","1") = "6"
    & skf21("7","6","2","7","3","7","5","1") = "6"
    & skf21("7","6","2","7","3","7","6","1") = "6"
    & skf21("7","6","2","7","3","7","7","1") = "6"
    & skf21("7","6","2","7","4","1","1","1") = "6"
    & skf21("7","6","2","7","4","1","2","1") = "6"
    & skf21("7","6","2","7","4","1","3","1") = "6"
    & skf21("7","6","2","7","4","1","4","1") = "6"
    & skf21("7","6","2","7","4","1","5","1") = "6"
    & skf21("7","6","2","7","4","1","6","1") = "6"
    & skf21("7","6","2","7","4","1","7","1") = "6"
    & skf21("7","6","2","7","4","2","1","1") = "6"
    & skf21("7","6","2","7","4","2","2","1") = "6"
    & skf21("7","6","2","7","4","2","3","1") = "6"
    & skf21("7","6","2","7","4","2","4","1") = "6"
    & skf21("7","6","2","7","4","2","5","1") = "6"
    & skf21("7","6","2","7","4","2","6","1") = "6"
    & skf21("7","6","2","7","4","2","7","1") = "6"
    & skf21("7","6","2","7","4","3","1","1") = "6"
    & skf21("7","6","2","7","4","3","2","1") = "6"
    & skf21("7","6","2","7","4","3","3","1") = "6"
    & skf21("7","6","2","7","4","3","4","1") = "6"
    & skf21("7","6","2","7","4","3","5","1") = "6"
    & skf21("7","6","2","7","4","3","6","1") = "6"
    & skf21("7","6","2","7","4","3","7","1") = "6"
    & skf21("7","6","2","7","4","4","1","1") = "6"
    & skf21("7","6","2","7","4","4","2","1") = "6"
    & skf21("7","6","2","7","4","4","3","1") = "6"
    & skf21("7","6","2","7","4","4","4","1") = "6"
    & skf21("7","6","2","7","4","4","5","1") = "6"
    & skf21("7","6","2","7","4","4","6","1") = "6"
    & skf21("7","6","2","7","4","4","7","1") = "6"
    & skf21("7","6","2","7","4","5","1","1") = "6"
    & skf21("7","6","2","7","4","5","2","1") = "6"
    & skf21("7","6","2","7","4","5","3","1") = "6"
    & skf21("7","6","2","7","4","5","4","1") = "6"
    & skf21("7","6","2","7","4","5","5","1") = "6"
    & skf21("7","6","2","7","4","5","6","1") = "6"
    & skf21("7","6","2","7","4","5","7","1") = "6"
    & skf21("7","6","2","7","4","6","1","1") = "6"
    & skf21("7","6","2","7","4","6","2","1") = "6"
    & skf21("7","6","2","7","4","6","3","1") = "6"
    & skf21("7","6","2","7","4","6","4","1") = "6"
    & skf21("7","6","2","7","4","6","5","1") = "6"
    & skf21("7","6","2","7","4","6","6","1") = "6"
    & skf21("7","6","2","7","4","6","7","1") = "6"
    & skf21("7","6","2","7","4","7","1","1") = "6"
    & skf21("7","6","2","7","4","7","2","1") = "6"
    & skf21("7","6","2","7","4","7","3","1") = "6"
    & skf21("7","6","2","7","4","7","4","1") = "6"
    & skf21("7","6","2","7","4","7","5","1") = "6"
    & skf21("7","6","2","7","4","7","6","1") = "6"
    & skf21("7","6","2","7","4","7","7","1") = "6"
    & skf21("7","6","2","7","5","1","1","1") = "6"
    & skf21("7","6","2","7","5","1","2","1") = "6"
    & skf21("7","6","2","7","5","1","3","1") = "6"
    & skf21("7","6","2","7","5","1","4","1") = "6"
    & skf21("7","6","2","7","5","1","5","1") = "6"
    & skf21("7","6","2","7","5","1","6","1") = "6"
    & skf21("7","6","2","7","5","1","7","1") = "6"
    & skf21("7","6","2","7","5","2","1","1") = "6"
    & skf21("7","6","2","7","5","2","2","1") = "6"
    & skf21("7","6","2","7","5","2","3","1") = "6"
    & skf21("7","6","2","7","5","2","4","1") = "6"
    & skf21("7","6","2","7","5","2","5","1") = "6"
    & skf21("7","6","2","7","5","2","6","1") = "6"
    & skf21("7","6","2","7","5","2","7","1") = "6"
    & skf21("7","6","2","7","5","3","1","1") = "6"
    & skf21("7","6","2","7","5","3","2","1") = "6"
    & skf21("7","6","2","7","5","3","3","1") = "6"
    & skf21("7","6","2","7","5","3","4","1") = "6"
    & skf21("7","6","2","7","5","3","5","1") = "6"
    & skf21("7","6","2","7","5","3","6","1") = "6"
    & skf21("7","6","2","7","5","3","7","1") = "6"
    & skf21("7","6","2","7","5","4","1","1") = "6"
    & skf21("7","6","2","7","5","4","2","1") = "6"
    & skf21("7","6","2","7","5","4","3","1") = "6"
    & skf21("7","6","2","7","5","4","4","1") = "6"
    & skf21("7","6","2","7","5","4","5","1") = "6"
    & skf21("7","6","2","7","5","4","6","1") = "6"
    & skf21("7","6","2","7","5","4","7","1") = "6"
    & skf21("7","6","2","7","5","5","1","1") = "6"
    & skf21("7","6","2","7","5","5","2","1") = "6"
    & skf21("7","6","2","7","5","5","3","1") = "6"
    & skf21("7","6","2","7","5","5","4","1") = "6"
    & skf21("7","6","2","7","5","5","5","1") = "6"
    & skf21("7","6","2","7","5","5","6","1") = "6"
    & skf21("7","6","2","7","5","5","7","1") = "6"
    & skf21("7","6","2","7","5","6","1","1") = "6"
    & skf21("7","6","2","7","5","6","2","1") = "6"
    & skf21("7","6","2","7","5","6","3","1") = "6"
    & skf21("7","6","2","7","5","6","4","1") = "6"
    & skf21("7","6","2","7","5","6","5","1") = "6"
    & skf21("7","6","2","7","5","6","6","1") = "6"
    & skf21("7","6","2","7","5","6","7","1") = "6"
    & skf21("7","6","2","7","5","7","1","1") = "6"
    & skf21("7","6","2","7","5","7","2","1") = "6"
    & skf21("7","6","2","7","5","7","3","1") = "6"
    & skf21("7","6","2","7","5","7","4","1") = "6"
    & skf21("7","6","2","7","5","7","5","1") = "6"
    & skf21("7","6","2","7","5","7","6","1") = "6"
    & skf21("7","6","2","7","5","7","7","1") = "6"
    & skf21("7","6","2","7","6","1","1","1") = "6"
    & skf21("7","6","2","7","6","1","2","1") = "6"
    & skf21("7","6","2","7","6","1","3","1") = "6"
    & skf21("7","6","2","7","6","1","4","1") = "6"
    & skf21("7","6","2","7","6","1","5","1") = "6"
    & skf21("7","6","2","7","6","1","6","1") = "6"
    & skf21("7","6","2","7","6","1","7","1") = "6"
    & skf21("7","6","2","7","6","2","1","1") = "6"
    & skf21("7","6","2","7","6","2","2","1") = "6"
    & skf21("7","6","2","7","6","2","3","1") = "6"
    & skf21("7","6","2","7","6","2","4","1") = "6"
    & skf21("7","6","2","7","6","2","5","1") = "6"
    & skf21("7","6","2","7","6","2","6","1") = "6"
    & skf21("7","6","2","7","6","2","7","1") = "6"
    & skf21("7","6","2","7","6","3","1","1") = "6"
    & skf21("7","6","2","7","6","3","2","1") = "6"
    & skf21("7","6","2","7","6","3","3","1") = "6"
    & skf21("7","6","2","7","6","3","4","1") = "6"
    & skf21("7","6","2","7","6","3","5","1") = "6"
    & skf21("7","6","2","7","6","3","6","1") = "6"
    & skf21("7","6","2","7","6","3","7","1") = "6"
    & skf21("7","6","2","7","6","4","1","1") = "6"
    & skf21("7","6","2","7","6","4","2","1") = "6"
    & skf21("7","6","2","7","6","4","3","1") = "6"
    & skf21("7","6","2","7","6","4","4","1") = "6"
    & skf21("7","6","2","7","6","4","5","1") = "6"
    & skf21("7","6","2","7","6","4","6","1") = "6"
    & skf21("7","6","2","7","6","4","7","1") = "6"
    & skf21("7","6","2","7","6","5","1","1") = "6"
    & skf21("7","6","2","7","6","5","2","1") = "6"
    & skf21("7","6","2","7","6","5","3","1") = "6"
    & skf21("7","6","2","7","6","5","4","1") = "6"
    & skf21("7","6","2","7","6","5","5","1") = "6"
    & skf21("7","6","2","7","6","5","6","1") = "6"
    & skf21("7","6","2","7","6","5","7","1") = "6"
    & skf21("7","6","2","7","6","6","1","1") = "6"
    & skf21("7","6","2","7","6","6","2","1") = "6"
    & skf21("7","6","2","7","6","6","3","1") = "6"
    & skf21("7","6","2","7","6","6","4","1") = "6"
    & skf21("7","6","2","7","6","6","5","1") = "6"
    & skf21("7","6","2","7","6","6","6","1") = "6"
    & skf21("7","6","2","7","6","6","7","1") = "6"
    & skf21("7","6","2","7","6","7","1","1") = "6"
    & skf21("7","6","2","7","6","7","2","1") = "6"
    & skf21("7","6","2","7","6","7","3","1") = "6"
    & skf21("7","6","2","7","6","7","4","1") = "6"
    & skf21("7","6","2","7","6","7","5","1") = "6"
    & skf21("7","6","2","7","6","7","6","1") = "6"
    & skf21("7","6","2","7","6","7","7","1") = "6"
    & skf21("7","6","2","7","7","1","1","1") = "6"
    & skf21("7","6","2","7","7","1","2","1") = "6"
    & skf21("7","6","2","7","7","1","3","1") = "6"
    & skf21("7","6","2","7","7","1","4","1") = "6"
    & skf21("7","6","2","7","7","1","5","1") = "6"
    & skf21("7","6","2","7","7","1","6","1") = "6"
    & skf21("7","6","2","7","7","1","7","1") = "6"
    & skf21("7","6","2","7","7","2","1","1") = "6"
    & skf21("7","6","2","7","7","2","2","1") = "6"
    & skf21("7","6","2","7","7","2","3","1") = "6"
    & skf21("7","6","2","7","7","2","4","1") = "6"
    & skf21("7","6","2","7","7","2","5","1") = "6"
    & skf21("7","6","2","7","7","2","6","1") = "6"
    & skf21("7","6","2","7","7","2","7","1") = "6"
    & skf21("7","6","2","7","7","3","1","1") = "6"
    & skf21("7","6","2","7","7","3","2","1") = "6"
    & skf21("7","6","2","7","7","3","3","1") = "6"
    & skf21("7","6","2","7","7","3","4","1") = "6"
    & skf21("7","6","2","7","7","3","5","1") = "6"
    & skf21("7","6","2","7","7","3","6","1") = "6"
    & skf21("7","6","2","7","7","3","7","1") = "6"
    & skf21("7","6","2","7","7","4","1","1") = "6"
    & skf21("7","6","2","7","7","4","2","1") = "6"
    & skf21("7","6","2","7","7","4","3","1") = "6"
    & skf21("7","6","2","7","7","4","4","1") = "6"
    & skf21("7","6","2","7","7","4","5","1") = "6"
    & skf21("7","6","2","7","7","4","6","1") = "6"
    & skf21("7","6","2","7","7","4","7","1") = "6"
    & skf21("7","6","2","7","7","5","1","1") = "6"
    & skf21("7","6","2","7","7","5","2","1") = "6"
    & skf21("7","6","2","7","7","5","3","1") = "6"
    & skf21("7","6","2","7","7","5","4","1") = "6"
    & skf21("7","6","2","7","7","5","5","1") = "6"
    & skf21("7","6","2","7","7","5","6","1") = "6"
    & skf21("7","6","2","7","7","5","7","1") = "6"
    & skf21("7","6","2","7","7","6","1","1") = "6"
    & skf21("7","6","2","7","7","6","2","1") = "6"
    & skf21("7","6","2","7","7","6","3","1") = "6"
    & skf21("7","6","2","7","7","6","4","1") = "6"
    & skf21("7","6","2","7","7","6","5","1") = "6"
    & skf21("7","6","2","7","7","6","6","1") = "6"
    & skf21("7","6","2","7","7","6","7","1") = "6"
    & skf21("7","6","2","7","7","7","1","1") = "6"
    & skf21("7","6","2","7","7","7","2","1") = "6"
    & skf21("7","6","2","7","7","7","3","1") = "6"
    & skf21("7","6","2","7","7","7","4","1") = "6"
    & skf21("7","6","2","7","7","7","5","1") = "6"
    & skf21("7","6","2","7","7","7","6","1") = "6"
    & skf21("7","6","2","7","7","7","7","1") = "6"
    & skf21("7","6","3","1","1","1","1","1") = "6"
    & skf21("7","6","3","1","1","1","2","1") = "6"
    & skf21("7","6","3","1","1","1","3","1") = "6"
    & skf21("7","6","3","1","1","1","4","1") = "6"
    & skf21("7","6","3","1","1","1","5","1") = "6"
    & skf21("7","6","3","1","1","1","6","1") = "6"
    & skf21("7","6","3","1","1","1","7","1") = "6"
    & skf21("7","6","3","1","1","2","1","1") = "6"
    & skf21("7","6","3","1","1","2","2","1") = "6"
    & skf21("7","6","3","1","1","2","3","1") = "6"
    & skf21("7","6","3","1","1","2","4","1") = "6"
    & skf21("7","6","3","1","1","2","5","1") = "6"
    & skf21("7","6","3","1","1","2","6","1") = "6"
    & skf21("7","6","3","1","1","2","7","1") = "6"
    & skf21("7","6","3","1","1","3","1","1") = "6"
    & skf21("7","6","3","1","1","3","2","1") = "6"
    & skf21("7","6","3","1","1","3","3","1") = "6"
    & skf21("7","6","3","1","1","3","4","1") = "6"
    & skf21("7","6","3","1","1","3","5","1") = "6"
    & skf21("7","6","3","1","1","3","6","1") = "6"
    & skf21("7","6","3","1","1","3","7","1") = "6"
    & skf21("7","6","3","1","1","4","1","1") = "6"
    & skf21("7","6","3","1","1","4","2","1") = "6"
    & skf21("7","6","3","1","1","4","3","1") = "6"
    & skf21("7","6","3","1","1","4","4","1") = "6"
    & skf21("7","6","3","1","1","4","5","1") = "6"
    & skf21("7","6","3","1","1","4","6","1") = "6"
    & skf21("7","6","3","1","1","4","7","1") = "6"
    & skf21("7","6","3","1","1","5","1","1") = "6"
    & skf21("7","6","3","1","1","5","2","1") = "6"
    & skf21("7","6","3","1","1","5","3","1") = "6"
    & skf21("7","6","3","1","1","5","4","1") = "6"
    & skf21("7","6","3","1","1","5","5","1") = "6"
    & skf21("7","6","3","1","1","5","6","1") = "6"
    & skf21("7","6","3","1","1","5","7","1") = "6"
    & skf21("7","6","3","1","1","6","1","1") = "6"
    & skf21("7","6","3","1","1","6","2","1") = "6"
    & skf21("7","6","3","1","1","6","3","1") = "6"
    & skf21("7","6","3","1","1","6","4","1") = "6"
    & skf21("7","6","3","1","1","6","5","1") = "6"
    & skf21("7","6","3","1","1","6","6","1") = "6"
    & skf21("7","6","3","1","1","6","7","1") = "6"
    & skf21("7","6","3","1","1","7","1","1") = "6"
    & skf21("7","6","3","1","1","7","2","1") = "6"
    & skf21("7","6","3","1","1","7","3","1") = "6"
    & skf21("7","6","3","1","1","7","4","1") = "6"
    & skf21("7","6","3","1","1","7","5","1") = "6"
    & skf21("7","6","3","1","1","7","6","1") = "6"
    & skf21("7","6","3","1","1","7","7","1") = "6"
    & skf21("7","6","3","1","2","1","1","1") = "6"
    & skf21("7","6","3","1","2","1","2","1") = "6"
    & skf21("7","6","3","1","2","1","3","1") = "6"
    & skf21("7","6","3","1","2","1","4","1") = "6"
    & skf21("7","6","3","1","2","1","5","1") = "6"
    & skf21("7","6","3","1","2","1","6","1") = "6"
    & skf21("7","6","3","1","2","1","7","1") = "6"
    & skf21("7","6","3","1","2","2","1","1") = "6"
    & skf21("7","6","3","1","2","2","2","1") = "6"
    & skf21("7","6","3","1","2","2","3","1") = "6"
    & skf21("7","6","3","1","2","2","4","1") = "6"
    & skf21("7","6","3","1","2","2","5","1") = "6"
    & skf21("7","6","3","1","2","2","6","1") = "6"
    & skf21("7","6","3","1","2","2","7","1") = "6"
    & skf21("7","6","3","1","2","3","1","1") = "6"
    & skf21("7","6","3","1","2","3","2","1") = "6"
    & skf21("7","6","3","1","2","3","3","1") = "6"
    & skf21("7","6","3","1","2","3","4","1") = "6"
    & skf21("7","6","3","1","2","3","5","1") = "6"
    & skf21("7","6","3","1","2","3","6","1") = "6"
    & skf21("7","6","3","1","2","3","7","1") = "6"
    & skf21("7","6","3","1","2","4","1","1") = "6"
    & skf21("7","6","3","1","2","4","2","1") = "6"
    & skf21("7","6","3","1","2","4","3","1") = "6"
    & skf21("7","6","3","1","2","4","4","1") = "6"
    & skf21("7","6","3","1","2","4","5","1") = "6"
    & skf21("7","6","3","1","2","4","6","1") = "6"
    & skf21("7","6","3","1","2","4","7","1") = "6"
    & skf21("7","6","3","1","2","5","1","1") = "6"
    & skf21("7","6","3","1","2","5","2","1") = "6"
    & skf21("7","6","3","1","2","5","3","1") = "6"
    & skf21("7","6","3","1","2","5","4","1") = "6"
    & skf21("7","6","3","1","2","5","5","1") = "6"
    & skf21("7","6","3","1","2","5","6","1") = "6"
    & skf21("7","6","3","1","2","5","7","1") = "6"
    & skf21("7","6","3","1","2","6","1","1") = "6"
    & skf21("7","6","3","1","2","6","2","1") = "6"
    & skf21("7","6","3","1","2","6","3","1") = "6"
    & skf21("7","6","3","1","2","6","4","1") = "6"
    & skf21("7","6","3","1","2","6","5","1") = "6"
    & skf21("7","6","3","1","2","6","6","1") = "6"
    & skf21("7","6","3","1","2","6","7","1") = "6"
    & skf21("7","6","3","1","2","7","1","1") = "6"
    & skf21("7","6","3","1","2","7","2","1") = "6"
    & skf21("7","6","3","1","2","7","3","1") = "6"
    & skf21("7","6","3","1","2","7","4","1") = "6"
    & skf21("7","6","3","1","2","7","5","1") = "6"
    & skf21("7","6","3","1","2","7","6","1") = "6"
    & skf21("7","6","3","1","2","7","7","1") = "6"
    & skf21("7","6","3","1","3","1","1","1") = "6"
    & skf21("7","6","3","1","3","1","2","1") = "6"
    & skf21("7","6","3","1","3","1","3","1") = "6"
    & skf21("7","6","3","1","3","1","4","1") = "6"
    & skf21("7","6","3","1","3","1","5","1") = "6"
    & skf21("7","6","3","1","3","1","6","1") = "6"
    & skf21("7","6","3","1","3","1","7","1") = "6"
    & skf21("7","6","3","1","3","2","1","1") = "6"
    & skf21("7","6","3","1","3","2","2","1") = "6"
    & skf21("7","6","3","1","3","2","3","1") = "6"
    & skf21("7","6","3","1","3","2","4","1") = "6"
    & skf21("7","6","3","1","3","2","5","1") = "6"
    & skf21("7","6","3","1","3","2","6","1") = "6"
    & skf21("7","6","3","1","3","2","7","1") = "6"
    & skf21("7","6","3","1","3","3","1","1") = "6"
    & skf21("7","6","3","1","3","3","2","1") = "6"
    & skf21("7","6","3","1","3","3","3","1") = "6"
    & skf21("7","6","3","1","3","3","4","1") = "6"
    & skf21("7","6","3","1","3","3","5","1") = "6"
    & skf21("7","6","3","1","3","3","6","1") = "6"
    & skf21("7","6","3","1","3","3","7","1") = "6"
    & skf21("7","6","3","1","3","4","1","1") = "6"
    & skf21("7","6","3","1","3","4","2","1") = "6"
    & skf21("7","6","3","1","3","4","3","1") = "6"
    & skf21("7","6","3","1","3","4","4","1") = "6"
    & skf21("7","6","3","1","3","4","5","1") = "6"
    & skf21("7","6","3","1","3","4","6","1") = "6"
    & skf21("7","6","3","1","3","4","7","1") = "6"
    & skf21("7","6","3","1","3","5","1","1") = "6"
    & skf21("7","6","3","1","3","5","2","1") = "6"
    & skf21("7","6","3","1","3","5","3","1") = "6"
    & skf21("7","6","3","1","3","5","4","1") = "6"
    & skf21("7","6","3","1","3","5","5","1") = "6"
    & skf21("7","6","3","1","3","5","6","1") = "6"
    & skf21("7","6","3","1","3","5","7","1") = "6"
    & skf21("7","6","3","1","3","6","1","1") = "6"
    & skf21("7","6","3","1","3","6","2","1") = "6"
    & skf21("7","6","3","1","3","6","3","1") = "6"
    & skf21("7","6","3","1","3","6","4","1") = "6"
    & skf21("7","6","3","1","3","6","5","1") = "6"
    & skf21("7","6","3","1","3","6","6","1") = "6"
    & skf21("7","6","3","1","3","6","7","1") = "6"
    & skf21("7","6","3","1","3","7","1","1") = "6"
    & skf21("7","6","3","1","3","7","2","1") = "6"
    & skf21("7","6","3","1","3","7","3","1") = "6"
    & skf21("7","6","3","1","3","7","4","1") = "6"
    & skf21("7","6","3","1","3","7","5","1") = "6"
    & skf21("7","6","3","1","3","7","6","1") = "6"
    & skf21("7","6","3","1","3","7","7","1") = "6"
    & skf21("7","6","3","1","4","1","1","1") = "6"
    & skf21("7","6","3","1","4","1","2","1") = "6"
    & skf21("7","6","3","1","4","1","3","1") = "6"
    & skf21("7","6","3","1","4","1","4","1") = "6"
    & skf21("7","6","3","1","4","1","5","1") = "6"
    & skf21("7","6","3","1","4","1","6","1") = "6"
    & skf21("7","6","3","1","4","1","7","1") = "6"
    & skf21("7","6","3","1","4","2","1","1") = "6"
    & skf21("7","6","3","1","4","2","2","1") = "6"
    & skf21("7","6","3","1","4","2","3","1") = "6"
    & skf21("7","6","3","1","4","2","4","1") = "6"
    & skf21("7","6","3","1","4","2","5","1") = "6"
    & skf21("7","6","3","1","4","2","6","1") = "6"
    & skf21("7","6","3","1","4","2","7","1") = "6"
    & skf21("7","6","3","1","4","3","1","1") = "6"
    & skf21("7","6","3","1","4","3","2","1") = "6"
    & skf21("7","6","3","1","4","3","3","1") = "6"
    & skf21("7","6","3","1","4","3","4","1") = "6"
    & skf21("7","6","3","1","4","3","5","1") = "6"
    & skf21("7","6","3","1","4","3","6","1") = "6"
    & skf21("7","6","3","1","4","3","7","1") = "6"
    & skf21("7","6","3","1","4","4","1","1") = "6"
    & skf21("7","6","3","1","4","4","2","1") = "6"
    & skf21("7","6","3","1","4","4","3","1") = "6"
    & skf21("7","6","3","1","4","4","4","1") = "6"
    & skf21("7","6","3","1","4","4","5","1") = "6"
    & skf21("7","6","3","1","4","4","6","1") = "6"
    & skf21("7","6","3","1","4","4","7","1") = "6"
    & skf21("7","6","3","1","4","5","1","1") = "6"
    & skf21("7","6","3","1","4","5","2","1") = "6"
    & skf21("7","6","3","1","4","5","3","1") = "6"
    & skf21("7","6","3","1","4","5","4","1") = "6"
    & skf21("7","6","3","1","4","5","5","1") = "6"
    & skf21("7","6","3","1","4","5","6","1") = "6"
    & skf21("7","6","3","1","4","5","7","1") = "6"
    & skf21("7","6","3","1","4","6","1","1") = "6"
    & skf21("7","6","3","1","4","6","2","1") = "6"
    & skf21("7","6","3","1","4","6","3","1") = "6"
    & skf21("7","6","3","1","4","6","4","1") = "6"
    & skf21("7","6","3","1","4","6","5","1") = "6"
    & skf21("7","6","3","1","4","6","6","1") = "6"
    & skf21("7","6","3","1","4","6","7","1") = "6"
    & skf21("7","6","3","1","4","7","1","1") = "6"
    & skf21("7","6","3","1","4","7","2","1") = "6"
    & skf21("7","6","3","1","4","7","3","1") = "6"
    & skf21("7","6","3","1","4","7","4","1") = "6"
    & skf21("7","6","3","1","4","7","5","1") = "6"
    & skf21("7","6","3","1","4","7","6","1") = "6"
    & skf21("7","6","3","1","4","7","7","1") = "6"
    & skf21("7","6","3","1","5","1","1","1") = "6"
    & skf21("7","6","3","1","5","1","2","1") = "6"
    & skf21("7","6","3","1","5","1","3","1") = "6"
    & skf21("7","6","3","1","5","1","4","1") = "6"
    & skf21("7","6","3","1","5","1","5","1") = "6"
    & skf21("7","6","3","1","5","1","6","1") = "6"
    & skf21("7","6","3","1","5","1","7","1") = "6"
    & skf21("7","6","3","1","5","2","1","1") = "6"
    & skf21("7","6","3","1","5","2","2","1") = "6"
    & skf21("7","6","3","1","5","2","3","1") = "6"
    & skf21("7","6","3","1","5","2","4","1") = "6"
    & skf21("7","6","3","1","5","2","5","1") = "6"
    & skf21("7","6","3","1","5","2","6","1") = "6"
    & skf21("7","6","3","1","5","2","7","1") = "6"
    & skf21("7","6","3","1","5","3","1","1") = "6"
    & skf21("7","6","3","1","5","3","2","1") = "6"
    & skf21("7","6","3","1","5","3","3","1") = "6"
    & skf21("7","6","3","1","5","3","4","1") = "6"
    & skf21("7","6","3","1","5","3","5","1") = "6"
    & skf21("7","6","3","1","5","3","6","1") = "6"
    & skf21("7","6","3","1","5","3","7","1") = "6"
    & skf21("7","6","3","1","5","4","1","1") = "6"
    & skf21("7","6","3","1","5","4","2","1") = "6"
    & skf21("7","6","3","1","5","4","3","1") = "6"
    & skf21("7","6","3","1","5","4","4","1") = "6"
    & skf21("7","6","3","1","5","4","5","1") = "6"
    & skf21("7","6","3","1","5","4","6","1") = "6"
    & skf21("7","6","3","1","5","4","7","1") = "6"
    & skf21("7","6","3","1","5","5","1","1") = "6"
    & skf21("7","6","3","1","5","5","2","1") = "6"
    & skf21("7","6","3","1","5","5","3","1") = "6"
    & skf21("7","6","3","1","5","5","4","1") = "6"
    & skf21("7","6","3","1","5","5","5","1") = "6"
    & skf21("7","6","3","1","5","5","6","1") = "6"
    & skf21("7","6","3","1","5","5","7","1") = "6"
    & skf21("7","6","3","1","5","6","1","1") = "6"
    & skf21("7","6","3","1","5","6","2","1") = "6"
    & skf21("7","6","3","1","5","6","3","1") = "6"
    & skf21("7","6","3","1","5","6","4","1") = "6"
    & skf21("7","6","3","1","5","6","5","1") = "6"
    & skf21("7","6","3","1","5","6","6","1") = "6"
    & skf21("7","6","3","1","5","6","7","1") = "6"
    & skf21("7","6","3","1","5","7","1","1") = "6"
    & skf21("7","6","3","1","5","7","2","1") = "6"
    & skf21("7","6","3","1","5","7","3","1") = "6"
    & skf21("7","6","3","1","5","7","4","1") = "6"
    & skf21("7","6","3","1","5","7","5","1") = "6"
    & skf21("7","6","3","1","5","7","6","1") = "6"
    & skf21("7","6","3","1","5","7","7","1") = "6"
    & skf21("7","6","3","1","6","1","1","1") = "6"
    & skf21("7","6","3","1","6","1","2","1") = "6"
    & skf21("7","6","3","1","6","1","3","1") = "6"
    & skf21("7","6","3","1","6","1","4","1") = "6"
    & skf21("7","6","3","1","6","1","5","1") = "6"
    & skf21("7","6","3","1","6","1","6","1") = "6"
    & skf21("7","6","3","1","6","1","7","1") = "6"
    & skf21("7","6","3","1","6","2","1","1") = "6"
    & skf21("7","6","3","1","6","2","2","1") = "6"
    & skf21("7","6","3","1","6","2","3","1") = "6"
    & skf21("7","6","3","1","6","2","4","1") = "6"
    & skf21("7","6","3","1","6","2","5","1") = "6"
    & skf21("7","6","3","1","6","2","6","1") = "6"
    & skf21("7","6","3","1","6","2","7","1") = "6"
    & skf21("7","6","3","1","6","3","1","1") = "6"
    & skf21("7","6","3","1","6","3","2","1") = "6"
    & skf21("7","6","3","1","6","3","3","1") = "6"
    & skf21("7","6","3","1","6","3","4","1") = "6"
    & skf21("7","6","3","1","6","3","5","1") = "6"
    & skf21("7","6","3","1","6","3","6","1") = "6"
    & skf21("7","6","3","1","6","3","7","1") = "6"
    & skf21("7","6","3","1","6","4","1","1") = "6"
    & skf21("7","6","3","1","6","4","2","1") = "6"
    & skf21("7","6","3","1","6","4","3","1") = "6"
    & skf21("7","6","3","1","6","4","4","1") = "6"
    & skf21("7","6","3","1","6","4","5","1") = "6"
    & skf21("7","6","3","1","6","4","6","1") = "6"
    & skf21("7","6","3","1","6","4","7","1") = "6"
    & skf21("7","6","3","1","6","5","1","1") = "6"
    & skf21("7","6","3","1","6","5","2","1") = "6"
    & skf21("7","6","3","1","6","5","3","1") = "6"
    & skf21("7","6","3","1","6","5","4","1") = "6"
    & skf21("7","6","3","1","6","5","5","1") = "6"
    & skf21("7","6","3","1","6","5","6","1") = "6"
    & skf21("7","6","3","1","6","5","7","1") = "6"
    & skf21("7","6","3","1","6","6","1","1") = "6"
    & skf21("7","6","3","1","6","6","2","1") = "6"
    & skf21("7","6","3","1","6","6","3","1") = "6"
    & skf21("7","6","3","1","6","6","4","1") = "6"
    & skf21("7","6","3","1","6","6","5","1") = "6"
    & skf21("7","6","3","1","6","6","6","1") = "6"
    & skf21("7","6","3","1","6","6","7","1") = "6"
    & skf21("7","6","3","1","6","7","1","1") = "6"
    & skf21("7","6","3","1","6","7","2","1") = "6"
    & skf21("7","6","3","1","6","7","3","1") = "6"
    & skf21("7","6","3","1","6","7","4","1") = "6"
    & skf21("7","6","3","1","6","7","5","1") = "6"
    & skf21("7","6","3","1","6","7","6","1") = "6"
    & skf21("7","6","3","1","6","7","7","1") = "6"
    & skf21("7","6","3","1","7","1","1","1") = "6"
    & skf21("7","6","3","1","7","1","2","1") = "6"
    & skf21("7","6","3","1","7","1","3","1") = "6"
    & skf21("7","6","3","1","7","1","4","1") = "6"
    & skf21("7","6","3","1","7","1","5","1") = "6"
    & skf21("7","6","3","1","7","1","6","1") = "6"
    & skf21("7","6","3","1","7","1","7","1") = "6"
    & skf21("7","6","3","1","7","2","1","1") = "6"
    & skf21("7","6","3","1","7","2","2","1") = "6"
    & skf21("7","6","3","1","7","2","3","1") = "6"
    & skf21("7","6","3","1","7","2","4","1") = "6"
    & skf21("7","6","3","1","7","2","5","1") = "6"
    & skf21("7","6","3","1","7","2","6","1") = "6"
    & skf21("7","6","3","1","7","2","7","1") = "6"
    & skf21("7","6","3","1","7","3","1","1") = "6"
    & skf21("7","6","3","1","7","3","2","1") = "6"
    & skf21("7","6","3","1","7","3","3","1") = "6"
    & skf21("7","6","3","1","7","3","4","1") = "6"
    & skf21("7","6","3","1","7","3","5","1") = "6"
    & skf21("7","6","3","1","7","3","6","1") = "6"
    & skf21("7","6","3","1","7","3","7","1") = "6"
    & skf21("7","6","3","1","7","4","1","1") = "6"
    & skf21("7","6","3","1","7","4","2","1") = "6"
    & skf21("7","6","3","1","7","4","3","1") = "6"
    & skf21("7","6","3","1","7","4","4","1") = "6"
    & skf21("7","6","3","1","7","4","5","1") = "6"
    & skf21("7","6","3","1","7","4","6","1") = "6"
    & skf21("7","6","3","1","7","4","7","1") = "6"
    & skf21("7","6","3","1","7","5","1","1") = "6"
    & skf21("7","6","3","1","7","5","2","1") = "6"
    & skf21("7","6","3","1","7","5","3","1") = "6"
    & skf21("7","6","3","1","7","5","4","1") = "6"
    & skf21("7","6","3","1","7","5","5","1") = "6"
    & skf21("7","6","3","1","7","5","6","1") = "6"
    & skf21("7","6","3","1","7","5","7","1") = "6"
    & skf21("7","6","3","1","7","6","1","1") = "6"
    & skf21("7","6","3","1","7","6","2","1") = "6"
    & skf21("7","6","3","1","7","6","3","1") = "6"
    & skf21("7","6","3","1","7","6","4","1") = "6"
    & skf21("7","6","3","1","7","6","5","1") = "6"
    & skf21("7","6","3","1","7","6","6","1") = "6"
    & skf21("7","6","3","1","7","6","7","1") = "6"
    & skf21("7","6","3","1","7","7","1","1") = "6"
    & skf21("7","6","3","1","7","7","2","1") = "6"
    & skf21("7","6","3","1","7","7","3","1") = "6"
    & skf21("7","6","3","1","7","7","4","1") = "6"
    & skf21("7","6","3","1","7","7","5","1") = "6"
    & skf21("7","6","3","1","7","7","6","1") = "6"
    & skf21("7","6","3","1","7","7","7","1") = "6"
    & skf21("7","6","3","2","1","1","1","1") = "6"
    & skf21("7","6","3","2","1","1","2","1") = "6"
    & skf21("7","6","3","2","1","1","3","1") = "6"
    & skf21("7","6","3","2","1","1","4","1") = "6"
    & skf21("7","6","3","2","1","1","5","1") = "6"
    & skf21("7","6","3","2","1","1","6","1") = "6"
    & skf21("7","6","3","2","1","1","7","1") = "6"
    & skf21("7","6","3","2","1","2","1","1") = "6"
    & skf21("7","6","3","2","1","2","2","1") = "6"
    & skf21("7","6","3","2","1","2","3","1") = "6"
    & skf21("7","6","3","2","1","2","4","1") = "6"
    & skf21("7","6","3","2","1","2","5","1") = "6"
    & skf21("7","6","3","2","1","2","6","1") = "6"
    & skf21("7","6","3","2","1","2","7","1") = "6"
    & skf21("7","6","3","2","1","3","1","1") = "6"
    & skf21("7","6","3","2","1","3","2","1") = "6"
    & skf21("7","6","3","2","1","3","3","1") = "6"
    & skf21("7","6","3","2","1","3","4","1") = "6"
    & skf21("7","6","3","2","1","3","5","1") = "6"
    & skf21("7","6","3","2","1","3","6","1") = "6"
    & skf21("7","6","3","2","1","3","7","1") = "6"
    & skf21("7","6","3","2","1","4","1","1") = "6"
    & skf21("7","6","3","2","1","4","2","1") = "6"
    & skf21("7","6","3","2","1","4","3","1") = "6"
    & skf21("7","6","3","2","1","4","4","1") = "6"
    & skf21("7","6","3","2","1","4","5","1") = "6"
    & skf21("7","6","3","2","1","4","6","1") = "6"
    & skf21("7","6","3","2","1","4","7","1") = "6"
    & skf21("7","6","3","2","1","5","1","1") = "6"
    & skf21("7","6","3","2","1","5","2","1") = "6"
    & skf21("7","6","3","2","1","5","3","1") = "6"
    & skf21("7","6","3","2","1","5","4","1") = "6"
    & skf21("7","6","3","2","1","5","5","1") = "6"
    & skf21("7","6","3","2","1","5","6","1") = "6"
    & skf21("7","6","3","2","1","5","7","1") = "6"
    & skf21("7","6","3","2","1","6","1","1") = "6"
    & skf21("7","6","3","2","1","6","2","1") = "6"
    & skf21("7","6","3","2","1","6","3","1") = "6"
    & skf21("7","6","3","2","1","6","4","1") = "6"
    & skf21("7","6","3","2","1","6","5","1") = "6"
    & skf21("7","6","3","2","1","6","6","1") = "6"
    & skf21("7","6","3","2","1","6","7","1") = "6"
    & skf21("7","6","3","2","1","7","1","1") = "6"
    & skf21("7","6","3","2","1","7","2","1") = "6"
    & skf21("7","6","3","2","1","7","3","1") = "6"
    & skf21("7","6","3","2","1","7","4","1") = "6"
    & skf21("7","6","3","2","1","7","5","1") = "6"
    & skf21("7","6","3","2","1","7","6","1") = "6"
    & skf21("7","6","3","2","1","7","7","1") = "6"
    & skf21("7","6","3","2","2","1","1","1") = "6"
    & skf21("7","6","3","2","2","1","2","1") = "6"
    & skf21("7","6","3","2","2","1","3","1") = "6"
    & skf21("7","6","3","2","2","1","4","1") = "6"
    & skf21("7","6","3","2","2","1","5","1") = "6"
    & skf21("7","6","3","2","2","1","6","1") = "6"
    & skf21("7","6","3","2","2","1","7","1") = "6"
    & skf21("7","6","3","2","2","2","1","1") = "6"
    & skf21("7","6","3","2","2","2","2","1") = "6"
    & skf21("7","6","3","2","2","2","3","1") = "6"
    & skf21("7","6","3","2","2","2","4","1") = "6"
    & skf21("7","6","3","2","2","2","5","1") = "6"
    & skf21("7","6","3","2","2","2","6","1") = "6"
    & skf21("7","6","3","2","2","2","7","1") = "6"
    & skf21("7","6","3","2","2","3","1","1") = "6"
    & skf21("7","6","3","2","2","3","2","1") = "6"
    & skf21("7","6","3","2","2","3","3","1") = "6"
    & skf21("7","6","3","2","2","3","4","1") = "6"
    & skf21("7","6","3","2","2","3","5","1") = "6"
    & skf21("7","6","3","2","2","3","6","1") = "6"
    & skf21("7","6","3","2","2","3","7","1") = "6"
    & skf21("7","6","3","2","2","4","1","1") = "6"
    & skf21("7","6","3","2","2","4","2","1") = "6"
    & skf21("7","6","3","2","2","4","3","1") = "6"
    & skf21("7","6","3","2","2","4","4","1") = "6"
    & skf21("7","6","3","2","2","4","5","1") = "6"
    & skf21("7","6","3","2","2","4","6","1") = "6"
    & skf21("7","6","3","2","2","4","7","1") = "6"
    & skf21("7","6","3","2","2","5","1","1") = "6"
    & skf21("7","6","3","2","2","5","2","1") = "6"
    & skf21("7","6","3","2","2","5","3","1") = "6"
    & skf21("7","6","3","2","2","5","4","1") = "6"
    & skf21("7","6","3","2","2","5","5","1") = "6"
    & skf21("7","6","3","2","2","5","6","1") = "6"
    & skf21("7","6","3","2","2","5","7","1") = "6"
    & skf21("7","6","3","2","2","6","1","1") = "6"
    & skf21("7","6","3","2","2","6","2","1") = "6"
    & skf21("7","6","3","2","2","6","3","1") = "6"
    & skf21("7","6","3","2","2","6","4","1") = "6"
    & skf21("7","6","3","2","2","6","5","1") = "6"
    & skf21("7","6","3","2","2","6","6","1") = "6"
    & skf21("7","6","3","2","2","6","7","1") = "6"
    & skf21("7","6","3","2","2","7","1","1") = "6"
    & skf21("7","6","3","2","2","7","2","1") = "6"
    & skf21("7","6","3","2","2","7","3","1") = "6"
    & skf21("7","6","3","2","2","7","4","1") = "6"
    & skf21("7","6","3","2","2","7","5","1") = "6"
    & skf21("7","6","3","2","2","7","6","1") = "6"
    & skf21("7","6","3","2","2","7","7","1") = "6"
    & skf21("7","6","3","2","3","1","1","1") = "6"
    & skf21("7","6","3","2","3","1","2","1") = "6"
    & skf21("7","6","3","2","3","1","3","1") = "6"
    & skf21("7","6","3","2","3","1","4","1") = "6"
    & skf21("7","6","3","2","3","1","5","1") = "6"
    & skf21("7","6","3","2","3","1","6","1") = "6"
    & skf21("7","6","3","2","3","1","7","1") = "6"
    & skf21("7","6","3","2","3","2","1","1") = "6"
    & skf21("7","6","3","2","3","2","2","1") = "6"
    & skf21("7","6","3","2","3","2","3","1") = "6"
    & skf21("7","6","3","2","3","2","4","1") = "6"
    & skf21("7","6","3","2","3","2","5","1") = "6"
    & skf21("7","6","3","2","3","2","6","1") = "6"
    & skf21("7","6","3","2","3","2","7","1") = "6"
    & skf21("7","6","3","2","3","3","1","1") = "6"
    & skf21("7","6","3","2","3","3","2","1") = "6"
    & skf21("7","6","3","2","3","3","3","1") = "6"
    & skf21("7","6","3","2","3","3","4","1") = "6"
    & skf21("7","6","3","2","3","3","5","1") = "6"
    & skf21("7","6","3","2","3","3","6","1") = "6"
    & skf21("7","6","3","2","3","3","7","1") = "6"
    & skf21("7","6","3","2","3","4","1","1") = "6"
    & skf21("7","6","3","2","3","4","2","1") = "6"
    & skf21("7","6","3","2","3","4","3","1") = "6"
    & skf21("7","6","3","2","3","4","4","1") = "6"
    & skf21("7","6","3","2","3","4","5","1") = "6"
    & skf21("7","6","3","2","3","4","6","1") = "6"
    & skf21("7","6","3","2","3","4","7","1") = "6"
    & skf21("7","6","3","2","3","5","1","1") = "6"
    & skf21("7","6","3","2","3","5","2","1") = "6"
    & skf21("7","6","3","2","3","5","3","1") = "6"
    & skf21("7","6","3","2","3","5","4","1") = "6"
    & skf21("7","6","3","2","3","5","5","1") = "6"
    & skf21("7","6","3","2","3","5","6","1") = "6"
    & skf21("7","6","3","2","3","5","7","1") = "6"
    & skf21("7","6","3","2","3","6","1","1") = "6"
    & skf21("7","6","3","2","3","6","2","1") = "6"
    & skf21("7","6","3","2","3","6","3","1") = "6"
    & skf21("7","6","3","2","3","6","4","1") = "6"
    & skf21("7","6","3","2","3","6","5","1") = "6"
    & skf21("7","6","3","2","3","6","6","1") = "6"
    & skf21("7","6","3","2","3","6","7","1") = "6"
    & skf21("7","6","3","2","3","7","1","1") = "6"
    & skf21("7","6","3","2","3","7","2","1") = "6"
    & skf21("7","6","3","2","3","7","3","1") = "6"
    & skf21("7","6","3","2","3","7","4","1") = "6"
    & skf21("7","6","3","2","3","7","5","1") = "6"
    & skf21("7","6","3","2","3","7","6","1") = "6"
    & skf21("7","6","3","2","3","7","7","1") = "6"
    & skf21("7","6","3","2","4","1","1","1") = "6"
    & skf21("7","6","3","2","4","1","2","1") = "6"
    & skf21("7","6","3","2","4","1","3","1") = "6"
    & skf21("7","6","3","2","4","1","4","1") = "6"
    & skf21("7","6","3","2","4","1","5","1") = "6"
    & skf21("7","6","3","2","4","1","6","1") = "6"
    & skf21("7","6","3","2","4","1","7","1") = "6"
    & skf21("7","6","3","2","4","2","1","1") = "6"
    & skf21("7","6","3","2","4","2","2","1") = "6"
    & skf21("7","6","3","2","4","2","3","1") = "6"
    & skf21("7","6","3","2","4","2","4","1") = "6"
    & skf21("7","6","3","2","4","2","5","1") = "6"
    & skf21("7","6","3","2","4","2","6","1") = "6"
    & skf21("7","6","3","2","4","2","7","1") = "6"
    & skf21("7","6","3","2","4","3","1","1") = "6"
    & skf21("7","6","3","2","4","3","2","1") = "6"
    & skf21("7","6","3","2","4","3","3","1") = "6"
    & skf21("7","6","3","2","4","3","4","1") = "6"
    & skf21("7","6","3","2","4","3","5","1") = "6"
    & skf21("7","6","3","2","4","3","6","1") = "6"
    & skf21("7","6","3","2","4","3","7","1") = "6"
    & skf21("7","6","3","2","4","4","1","1") = "6"
    & skf21("7","6","3","2","4","4","2","1") = "6"
    & skf21("7","6","3","2","4","4","3","1") = "6"
    & skf21("7","6","3","2","4","4","4","1") = "6"
    & skf21("7","6","3","2","4","4","5","1") = "6"
    & skf21("7","6","3","2","4","4","6","1") = "6"
    & skf21("7","6","3","2","4","4","7","1") = "6"
    & skf21("7","6","3","2","4","5","1","1") = "6"
    & skf21("7","6","3","2","4","5","2","1") = "6"
    & skf21("7","6","3","2","4","5","3","1") = "6"
    & skf21("7","6","3","2","4","5","4","1") = "6"
    & skf21("7","6","3","2","4","5","5","1") = "6"
    & skf21("7","6","3","2","4","5","6","1") = "6"
    & skf21("7","6","3","2","4","5","7","1") = "6"
    & skf21("7","6","3","2","4","6","1","1") = "6"
    & skf21("7","6","3","2","4","6","2","1") = "6"
    & skf21("7","6","3","2","4","6","3","1") = "6"
    & skf21("7","6","3","2","4","6","4","1") = "6"
    & skf21("7","6","3","2","4","6","5","1") = "6"
    & skf21("7","6","3","2","4","6","6","1") = "6"
    & skf21("7","6","3","2","4","6","7","1") = "6"
    & skf21("7","6","3","2","4","7","1","1") = "6"
    & skf21("7","6","3","2","4","7","2","1") = "6"
    & skf21("7","6","3","2","4","7","3","1") = "6"
    & skf21("7","6","3","2","4","7","4","1") = "6"
    & skf21("7","6","3","2","4","7","5","1") = "6"
    & skf21("7","6","3","2","4","7","6","1") = "6"
    & skf21("7","6","3","2","4","7","7","1") = "6"
    & skf21("7","6","3","2","5","1","1","1") = "6"
    & skf21("7","6","3","2","5","1","2","1") = "6"
    & skf21("7","6","3","2","5","1","3","1") = "6"
    & skf21("7","6","3","2","5","1","4","1") = "6"
    & skf21("7","6","3","2","5","1","5","1") = "6"
    & skf21("7","6","3","2","5","1","6","1") = "6"
    & skf21("7","6","3","2","5","1","7","1") = "6"
    & skf21("7","6","3","2","5","2","1","1") = "6"
    & skf21("7","6","3","2","5","2","2","1") = "6"
    & skf21("7","6","3","2","5","2","3","1") = "6"
    & skf21("7","6","3","2","5","2","4","1") = "6"
    & skf21("7","6","3","2","5","2","5","1") = "6"
    & skf21("7","6","3","2","5","2","6","1") = "6"
    & skf21("7","6","3","2","5","2","7","1") = "6"
    & skf21("7","6","3","2","5","3","1","1") = "6"
    & skf21("7","6","3","2","5","3","2","1") = "6"
    & skf21("7","6","3","2","5","3","3","1") = "6"
    & skf21("7","6","3","2","5","3","4","1") = "6"
    & skf21("7","6","3","2","5","3","5","1") = "6"
    & skf21("7","6","3","2","5","3","6","1") = "6"
    & skf21("7","6","3","2","5","3","7","1") = "6"
    & skf21("7","6","3","2","5","4","1","1") = "6"
    & skf21("7","6","3","2","5","4","2","1") = "6"
    & skf21("7","6","3","2","5","4","3","1") = "6"
    & skf21("7","6","3","2","5","4","4","1") = "6"
    & skf21("7","6","3","2","5","4","5","1") = "6"
    & skf21("7","6","3","2","5","4","6","1") = "6"
    & skf21("7","6","3","2","5","4","7","1") = "6"
    & skf21("7","6","3","2","5","5","1","1") = "6"
    & skf21("7","6","3","2","5","5","2","1") = "6"
    & skf21("7","6","3","2","5","5","3","1") = "6"
    & skf21("7","6","3","2","5","5","4","1") = "6"
    & skf21("7","6","3","2","5","5","5","1") = "6"
    & skf21("7","6","3","2","5","5","6","1") = "6"
    & skf21("7","6","3","2","5","5","7","1") = "6"
    & skf21("7","6","3","2","5","6","1","1") = "6"
    & skf21("7","6","3","2","5","6","2","1") = "6"
    & skf21("7","6","3","2","5","6","3","1") = "6"
    & skf21("7","6","3","2","5","6","4","1") = "6"
    & skf21("7","6","3","2","5","6","5","1") = "6"
    & skf21("7","6","3","2","5","6","6","1") = "6"
    & skf21("7","6","3","2","5","6","7","1") = "6"
    & skf21("7","6","3","2","5","7","1","1") = "6"
    & skf21("7","6","3","2","5","7","2","1") = "6"
    & skf21("7","6","3","2","5","7","3","1") = "6"
    & skf21("7","6","3","2","5","7","4","1") = "6"
    & skf21("7","6","3","2","5","7","5","1") = "6"
    & skf21("7","6","3","2","5","7","6","1") = "6"
    & skf21("7","6","3","2","5","7","7","1") = "6"
    & skf21("7","6","3","2","6","1","1","1") = "6"
    & skf21("7","6","3","2","6","1","2","1") = "6"
    & skf21("7","6","3","2","6","1","3","1") = "6"
    & skf21("7","6","3","2","6","1","4","1") = "6"
    & skf21("7","6","3","2","6","1","5","1") = "6"
    & skf21("7","6","3","2","6","1","6","1") = "6"
    & skf21("7","6","3","2","6","1","7","1") = "6"
    & skf21("7","6","3","2","6","2","1","1") = "6"
    & skf21("7","6","3","2","6","2","2","1") = "6"
    & skf21("7","6","3","2","6","2","3","1") = "6"
    & skf21("7","6","3","2","6","2","4","1") = "6"
    & skf21("7","6","3","2","6","2","5","1") = "6"
    & skf21("7","6","3","2","6","2","6","1") = "6"
    & skf21("7","6","3","2","6","2","7","1") = "6"
    & skf21("7","6","3","2","6","3","1","1") = "6"
    & skf21("7","6","3","2","6","3","2","1") = "6"
    & skf21("7","6","3","2","6","3","3","1") = "6"
    & skf21("7","6","3","2","6","3","4","1") = "6"
    & skf21("7","6","3","2","6","3","5","1") = "6"
    & skf21("7","6","3","2","6","3","6","1") = "6"
    & skf21("7","6","3","2","6","3","7","1") = "6"
    & skf21("7","6","3","2","6","4","1","1") = "6"
    & skf21("7","6","3","2","6","4","2","1") = "6"
    & skf21("7","6","3","2","6","4","3","1") = "6"
    & skf21("7","6","3","2","6","4","4","1") = "6"
    & skf21("7","6","3","2","6","4","5","1") = "6"
    & skf21("7","6","3","2","6","4","6","1") = "6"
    & skf21("7","6","3","2","6","4","7","1") = "6"
    & skf21("7","6","3","2","6","5","1","1") = "6"
    & skf21("7","6","3","2","6","5","2","1") = "6"
    & skf21("7","6","3","2","6","5","3","1") = "6"
    & skf21("7","6","3","2","6","5","4","1") = "6"
    & skf21("7","6","3","2","6","5","5","1") = "6"
    & skf21("7","6","3","2","6","5","6","1") = "6"
    & skf21("7","6","3","2","6","5","7","1") = "6"
    & skf21("7","6","3","2","6","6","1","1") = "6"
    & skf21("7","6","3","2","6","6","2","1") = "6"
    & skf21("7","6","3","2","6","6","3","1") = "6"
    & skf21("7","6","3","2","6","6","4","1") = "6"
    & skf21("7","6","3","2","6","6","5","1") = "6"
    & skf21("7","6","3","2","6","6","6","1") = "6"
    & skf21("7","6","3","2","6","6","7","1") = "6"
    & skf21("7","6","3","2","6","7","1","1") = "6"
    & skf21("7","6","3","2","6","7","2","1") = "6"
    & skf21("7","6","3","2","6","7","3","1") = "6"
    & skf21("7","6","3","2","6","7","4","1") = "6"
    & skf21("7","6","3","2","6","7","5","1") = "6"
    & skf21("7","6","3","2","6","7","6","1") = "6"
    & skf21("7","6","3","2","6","7","7","1") = "6"
    & skf21("7","6","3","2","7","1","1","1") = "6"
    & skf21("7","6","3","2","7","1","2","1") = "6"
    & skf21("7","6","3","2","7","1","3","1") = "6"
    & skf21("7","6","3","2","7","1","4","1") = "6"
    & skf21("7","6","3","2","7","1","5","1") = "6"
    & skf21("7","6","3","2","7","1","6","1") = "6"
    & skf21("7","6","3","2","7","1","7","1") = "6"
    & skf21("7","6","3","2","7","2","1","1") = "6"
    & skf21("7","6","3","2","7","2","2","1") = "6"
    & skf21("7","6","3","2","7","2","3","1") = "6"
    & skf21("7","6","3","2","7","2","4","1") = "6"
    & skf21("7","6","3","2","7","2","5","1") = "6"
    & skf21("7","6","3","2","7","2","6","1") = "6"
    & skf21("7","6","3","2","7","2","7","1") = "6"
    & skf21("7","6","3","2","7","3","1","1") = "6"
    & skf21("7","6","3","2","7","3","2","1") = "6"
    & skf21("7","6","3","2","7","3","3","1") = "6"
    & skf21("7","6","3","2","7","3","4","1") = "6"
    & skf21("7","6","3","2","7","3","5","1") = "6"
    & skf21("7","6","3","2","7","3","6","1") = "6"
    & skf21("7","6","3","2","7","3","7","1") = "6"
    & skf21("7","6","3","2","7","4","1","1") = "6"
    & skf21("7","6","3","2","7","4","2","1") = "6"
    & skf21("7","6","3","2","7","4","3","1") = "6"
    & skf21("7","6","3","2","7","4","4","1") = "6"
    & skf21("7","6","3","2","7","4","5","1") = "6"
    & skf21("7","6","3","2","7","4","6","1") = "6"
    & skf21("7","6","3","2","7","4","7","1") = "6"
    & skf21("7","6","3","2","7","5","1","1") = "6"
    & skf21("7","6","3","2","7","5","2","1") = "6"
    & skf21("7","6","3","2","7","5","3","1") = "6"
    & skf21("7","6","3","2","7","5","4","1") = "6"
    & skf21("7","6","3","2","7","5","5","1") = "6"
    & skf21("7","6","3","2","7","5","6","1") = "6"
    & skf21("7","6","3","2","7","5","7","1") = "6"
    & skf21("7","6","3","2","7","6","1","1") = "6"
    & skf21("7","6","3","2","7","6","2","1") = "6"
    & skf21("7","6","3","2","7","6","3","1") = "6"
    & skf21("7","6","3","2","7","6","4","1") = "6"
    & skf21("7","6","3","2","7","6","5","1") = "6"
    & skf21("7","6","3","2","7","6","6","1") = "6"
    & skf21("7","6","3","2","7","6","7","1") = "6"
    & skf21("7","6","3","2","7","7","1","1") = "6"
    & skf21("7","6","3","2","7","7","2","1") = "6"
    & skf21("7","6","3","2","7","7","3","1") = "6"
    & skf21("7","6","3","2","7","7","4","1") = "6"
    & skf21("7","6","3","2","7","7","5","1") = "6"
    & skf21("7","6","3","2","7","7","6","1") = "6"
    & skf21("7","6","3","2","7","7","7","1") = "6"
    & skf21("7","6","3","3","1","1","1","1") = "6"
    & skf21("7","6","3","3","1","1","2","1") = "6"
    & skf21("7","6","3","3","1","1","3","1") = "6"
    & skf21("7","6","3","3","1","1","4","1") = "6"
    & skf21("7","6","3","3","1","1","5","1") = "6"
    & skf21("7","6","3","3","1","1","6","1") = "6"
    & skf21("7","6","3","3","1","1","7","1") = "6"
    & skf21("7","6","3","3","1","2","1","1") = "6"
    & skf21("7","6","3","3","1","2","2","1") = "6"
    & skf21("7","6","3","3","1","2","3","1") = "6"
    & skf21("7","6","3","3","1","2","4","1") = "6"
    & skf21("7","6","3","3","1","2","5","1") = "6"
    & skf21("7","6","3","3","1","2","6","1") = "6"
    & skf21("7","6","3","3","1","2","7","1") = "6"
    & skf21("7","6","3","3","1","3","1","1") = "6"
    & skf21("7","6","3","3","1","3","2","1") = "6"
    & skf21("7","6","3","3","1","3","3","1") = "6"
    & skf21("7","6","3","3","1","3","4","1") = "6"
    & skf21("7","6","3","3","1","3","5","1") = "6"
    & skf21("7","6","3","3","1","3","6","1") = "6"
    & skf21("7","6","3","3","1","3","7","1") = "6"
    & skf21("7","6","3","3","1","4","1","1") = "6"
    & skf21("7","6","3","3","1","4","2","1") = "6"
    & skf21("7","6","3","3","1","4","3","1") = "6"
    & skf21("7","6","3","3","1","4","4","1") = "6"
    & skf21("7","6","3","3","1","4","5","1") = "6"
    & skf21("7","6","3","3","1","4","6","1") = "6"
    & skf21("7","6","3","3","1","4","7","1") = "6"
    & skf21("7","6","3","3","1","5","1","1") = "6"
    & skf21("7","6","3","3","1","5","2","1") = "6"
    & skf21("7","6","3","3","1","5","3","1") = "6"
    & skf21("7","6","3","3","1","5","4","1") = "6"
    & skf21("7","6","3","3","1","5","5","1") = "6"
    & skf21("7","6","3","3","1","5","6","1") = "6"
    & skf21("7","6","3","3","1","5","7","1") = "6"
    & skf21("7","6","3","3","1","6","1","1") = "6"
    & skf21("7","6","3","3","1","6","2","1") = "6"
    & skf21("7","6","3","3","1","6","3","1") = "6"
    & skf21("7","6","3","3","1","6","4","1") = "6"
    & skf21("7","6","3","3","1","6","5","1") = "6"
    & skf21("7","6","3","3","1","6","6","1") = "6"
    & skf21("7","6","3","3","1","6","7","1") = "6"
    & skf21("7","6","3","3","1","7","1","1") = "6"
    & skf21("7","6","3","3","1","7","2","1") = "6"
    & skf21("7","6","3","3","1","7","3","1") = "6"
    & skf21("7","6","3","3","1","7","4","1") = "6"
    & skf21("7","6","3","3","1","7","5","1") = "6"
    & skf21("7","6","3","3","1","7","6","1") = "6"
    & skf21("7","6","3","3","1","7","7","1") = "6"
    & skf21("7","6","3","3","2","1","1","1") = "6"
    & skf21("7","6","3","3","2","1","2","1") = "6"
    & skf21("7","6","3","3","2","1","3","1") = "6"
    & skf21("7","6","3","3","2","1","4","1") = "6"
    & skf21("7","6","3","3","2","1","5","1") = "6"
    & skf21("7","6","3","3","2","1","6","1") = "6"
    & skf21("7","6","3","3","2","1","7","1") = "6"
    & skf21("7","6","3","3","2","2","1","1") = "6"
    & skf21("7","6","3","3","2","2","2","1") = "6"
    & skf21("7","6","3","3","2","2","3","1") = "6"
    & skf21("7","6","3","3","2","2","4","1") = "6"
    & skf21("7","6","3","3","2","2","5","1") = "6"
    & skf21("7","6","3","3","2","2","6","1") = "6"
    & skf21("7","6","3","3","2","2","7","1") = "6"
    & skf21("7","6","3","3","2","3","1","1") = "6"
    & skf21("7","6","3","3","2","3","2","1") = "6"
    & skf21("7","6","3","3","2","3","3","1") = "6"
    & skf21("7","6","3","3","2","3","4","1") = "6"
    & skf21("7","6","3","3","2","3","5","1") = "6"
    & skf21("7","6","3","3","2","3","6","1") = "6"
    & skf21("7","6","3","3","2","3","7","1") = "6"
    & skf21("7","6","3","3","2","4","1","1") = "6"
    & skf21("7","6","3","3","2","4","2","1") = "6"
    & skf21("7","6","3","3","2","4","3","1") = "6"
    & skf21("7","6","3","3","2","4","4","1") = "6"
    & skf21("7","6","3","3","2","4","5","1") = "6"
    & skf21("7","6","3","3","2","4","6","1") = "6"
    & skf21("7","6","3","3","2","4","7","1") = "6"
    & skf21("7","6","3","3","2","5","1","1") = "6"
    & skf21("7","6","3","3","2","5","2","1") = "6"
    & skf21("7","6","3","3","2","5","3","1") = "6"
    & skf21("7","6","3","3","2","5","4","1") = "6"
    & skf21("7","6","3","3","2","5","5","1") = "6"
    & skf21("7","6","3","3","2","5","6","1") = "6"
    & skf21("7","6","3","3","2","5","7","1") = "6"
    & skf21("7","6","3","3","2","6","1","1") = "6"
    & skf21("7","6","3","3","2","6","2","1") = "6"
    & skf21("7","6","3","3","2","6","3","1") = "6"
    & skf21("7","6","3","3","2","6","4","1") = "6"
    & skf21("7","6","3","3","2","6","5","1") = "6"
    & skf21("7","6","3","3","2","6","6","1") = "6"
    & skf21("7","6","3","3","2","6","7","1") = "6"
    & skf21("7","6","3","3","2","7","1","1") = "6"
    & skf21("7","6","3","3","2","7","2","1") = "6"
    & skf21("7","6","3","3","2","7","3","1") = "6"
    & skf21("7","6","3","3","2","7","4","1") = "6"
    & skf21("7","6","3","3","2","7","5","1") = "6"
    & skf21("7","6","3","3","2","7","6","1") = "6"
    & skf21("7","6","3","3","2","7","7","1") = "6"
    & skf21("7","6","3","3","3","1","1","1") = "6"
    & skf21("7","6","3","3","3","1","2","1") = "6"
    & skf21("7","6","3","3","3","1","3","1") = "6"
    & skf21("7","6","3","3","3","1","4","1") = "6"
    & skf21("7","6","3","3","3","1","5","1") = "6"
    & skf21("7","6","3","3","3","1","6","1") = "6"
    & skf21("7","6","3","3","3","1","7","1") = "6"
    & skf21("7","6","3","3","3","2","1","1") = "6"
    & skf21("7","6","3","3","3","2","2","1") = "6"
    & skf21("7","6","3","3","3","2","3","1") = "6"
    & skf21("7","6","3","3","3","2","4","1") = "6"
    & skf21("7","6","3","3","3","2","5","1") = "6"
    & skf21("7","6","3","3","3","2","6","1") = "6"
    & skf21("7","6","3","3","3","2","7","1") = "6"
    & skf21("7","6","3","3","3","3","1","1") = "6"
    & skf21("7","6","3","3","3","3","2","1") = "6"
    & skf21("7","6","3","3","3","3","3","1") = "6"
    & skf21("7","6","3","3","3","3","4","1") = "6"
    & skf21("7","6","3","3","3","3","5","1") = "6"
    & skf21("7","6","3","3","3","3","6","1") = "6"
    & skf21("7","6","3","3","3","3","7","1") = "6"
    & skf21("7","6","3","3","3","4","1","1") = "6"
    & skf21("7","6","3","3","3","4","2","1") = "6"
    & skf21("7","6","3","3","3","4","3","1") = "6"
    & skf21("7","6","3","3","3","4","4","1") = "6"
    & skf21("7","6","3","3","3","4","5","1") = "6"
    & skf21("7","6","3","3","3","4","6","1") = "6"
    & skf21("7","6","3","3","3","4","7","1") = "6"
    & skf21("7","6","3","3","3","5","1","1") = "6"
    & skf21("7","6","3","3","3","5","2","1") = "6"
    & skf21("7","6","3","3","3","5","3","1") = "6"
    & skf21("7","6","3","3","3","5","4","1") = "6"
    & skf21("7","6","3","3","3","5","5","1") = "6"
    & skf21("7","6","3","3","3","5","6","1") = "6"
    & skf21("7","6","3","3","3","5","7","1") = "6"
    & skf21("7","6","3","3","3","6","1","1") = "6"
    & skf21("7","6","3","3","3","6","2","1") = "6"
    & skf21("7","6","3","3","3","6","3","1") = "6"
    & skf21("7","6","3","3","3","6","4","1") = "6"
    & skf21("7","6","3","3","3","6","5","1") = "6"
    & skf21("7","6","3","3","3","6","6","1") = "6"
    & skf21("7","6","3","3","3","6","7","1") = "6"
    & skf21("7","6","3","3","3","7","1","1") = "6"
    & skf21("7","6","3","3","3","7","2","1") = "6"
    & skf21("7","6","3","3","3","7","3","1") = "6"
    & skf21("7","6","3","3","3","7","4","1") = "6"
    & skf21("7","6","3","3","3","7","5","1") = "6"
    & skf21("7","6","3","3","3","7","6","1") = "6"
    & skf21("7","6","3","3","3","7","7","1") = "6"
    & skf21("7","6","3","3","4","1","1","1") = "6"
    & skf21("7","6","3","3","4","1","2","1") = "6"
    & skf21("7","6","3","3","4","1","3","1") = "6"
    & skf21("7","6","3","3","4","1","4","1") = "6"
    & skf21("7","6","3","3","4","1","5","1") = "6"
    & skf21("7","6","3","3","4","1","6","1") = "6"
    & skf21("7","6","3","3","4","1","7","1") = "6"
    & skf21("7","6","3","3","4","2","1","1") = "6"
    & skf21("7","6","3","3","4","2","2","1") = "6"
    & skf21("7","6","3","3","4","2","3","1") = "6"
    & skf21("7","6","3","3","4","2","4","1") = "6"
    & skf21("7","6","3","3","4","2","5","1") = "6"
    & skf21("7","6","3","3","4","2","6","1") = "6"
    & skf21("7","6","3","3","4","2","7","1") = "6"
    & skf21("7","6","3","3","4","3","1","1") = "6"
    & skf21("7","6","3","3","4","3","2","1") = "6"
    & skf21("7","6","3","3","4","3","3","1") = "6"
    & skf21("7","6","3","3","4","3","4","1") = "6"
    & skf21("7","6","3","3","4","3","5","1") = "6"
    & skf21("7","6","3","3","4","3","6","1") = "6"
    & skf21("7","6","3","3","4","3","7","1") = "6"
    & skf21("7","6","3","3","4","4","1","1") = "6"
    & skf21("7","6","3","3","4","4","2","1") = "6"
    & skf21("7","6","3","3","4","4","3","1") = "6"
    & skf21("7","6","3","3","4","4","4","1") = "6"
    & skf21("7","6","3","3","4","4","5","1") = "6"
    & skf21("7","6","3","3","4","4","6","1") = "6"
    & skf21("7","6","3","3","4","4","7","1") = "6"
    & skf21("7","6","3","3","4","5","1","1") = "6"
    & skf21("7","6","3","3","4","5","2","1") = "6"
    & skf21("7","6","3","3","4","5","3","1") = "6"
    & skf21("7","6","3","3","4","5","4","1") = "6"
    & skf21("7","6","3","3","4","5","5","1") = "6"
    & skf21("7","6","3","3","4","5","6","1") = "6"
    & skf21("7","6","3","3","4","5","7","1") = "6"
    & skf21("7","6","3","3","4","6","1","1") = "6"
    & skf21("7","6","3","3","4","6","2","1") = "6"
    & skf21("7","6","3","3","4","6","3","1") = "6"
    & skf21("7","6","3","3","4","6","4","1") = "6"
    & skf21("7","6","3","3","4","6","5","1") = "6"
    & skf21("7","6","3","3","4","6","6","1") = "6"
    & skf21("7","6","3","3","4","6","7","1") = "6"
    & skf21("7","6","3","3","4","7","1","1") = "6"
    & skf21("7","6","3","3","4","7","2","1") = "6"
    & skf21("7","6","3","3","4","7","3","1") = "6"
    & skf21("7","6","3","3","4","7","4","1") = "6"
    & skf21("7","6","3","3","4","7","5","1") = "6"
    & skf21("7","6","3","3","4","7","6","1") = "6"
    & skf21("7","6","3","3","4","7","7","1") = "6"
    & skf21("7","6","3","3","5","1","1","1") = "6"
    & skf21("7","6","3","3","5","1","2","1") = "6"
    & skf21("7","6","3","3","5","1","3","1") = "6"
    & skf21("7","6","3","3","5","1","4","1") = "6"
    & skf21("7","6","3","3","5","1","5","1") = "6"
    & skf21("7","6","3","3","5","1","6","1") = "6"
    & skf21("7","6","3","3","5","1","7","1") = "6"
    & skf21("7","6","3","3","5","2","1","1") = "6"
    & skf21("7","6","3","3","5","2","2","1") = "6"
    & skf21("7","6","3","3","5","2","3","1") = "6"
    & skf21("7","6","3","3","5","2","4","1") = "6"
    & skf21("7","6","3","3","5","2","5","1") = "6"
    & skf21("7","6","3","3","5","2","6","1") = "6"
    & skf21("7","6","3","3","5","2","7","1") = "6"
    & skf21("7","6","3","3","5","3","1","1") = "6"
    & skf21("7","6","3","3","5","3","2","1") = "6"
    & skf21("7","6","3","3","5","3","3","1") = "6"
    & skf21("7","6","3","3","5","3","4","1") = "6"
    & skf21("7","6","3","3","5","3","5","1") = "6"
    & skf21("7","6","3","3","5","3","6","1") = "6"
    & skf21("7","6","3","3","5","3","7","1") = "6"
    & skf21("7","6","3","3","5","4","1","1") = "6"
    & skf21("7","6","3","3","5","4","2","1") = "6"
    & skf21("7","6","3","3","5","4","3","1") = "6"
    & skf21("7","6","3","3","5","4","4","1") = "6"
    & skf21("7","6","3","3","5","4","5","1") = "6"
    & skf21("7","6","3","3","5","4","6","1") = "6"
    & skf21("7","6","3","3","5","4","7","1") = "6"
    & skf21("7","6","3","3","5","5","1","1") = "6"
    & skf21("7","6","3","3","5","5","2","1") = "6"
    & skf21("7","6","3","3","5","5","3","1") = "6"
    & skf21("7","6","3","3","5","5","4","1") = "6"
    & skf21("7","6","3","3","5","5","5","1") = "6"
    & skf21("7","6","3","3","5","5","6","1") = "6"
    & skf21("7","6","3","3","5","5","7","1") = "6"
    & skf21("7","6","3","3","5","6","1","1") = "6"
    & skf21("7","6","3","3","5","6","2","1") = "6"
    & skf21("7","6","3","3","5","6","3","1") = "6"
    & skf21("7","6","3","3","5","6","4","1") = "6"
    & skf21("7","6","3","3","5","6","5","1") = "6"
    & skf21("7","6","3","3","5","6","6","1") = "6"
    & skf21("7","6","3","3","5","6","7","1") = "6"
    & skf21("7","6","3","3","5","7","1","1") = "6"
    & skf21("7","6","3","3","5","7","2","1") = "6"
    & skf21("7","6","3","3","5","7","3","1") = "6"
    & skf21("7","6","3","3","5","7","4","1") = "6"
    & skf21("7","6","3","3","5","7","5","1") = "6"
    & skf21("7","6","3","3","5","7","6","1") = "6"
    & skf21("7","6","3","3","5","7","7","1") = "6"
    & skf21("7","6","3","3","6","1","1","1") = "6"
    & skf21("7","6","3","3","6","1","2","1") = "6"
    & skf21("7","6","3","3","6","1","3","1") = "6"
    & skf21("7","6","3","3","6","1","4","1") = "6"
    & skf21("7","6","3","3","6","1","5","1") = "6"
    & skf21("7","6","3","3","6","1","6","1") = "6"
    & skf21("7","6","3","3","6","1","7","1") = "6"
    & skf21("7","6","3","3","6","2","1","1") = "6"
    & skf21("7","6","3","3","6","2","2","1") = "6"
    & skf21("7","6","3","3","6","2","3","1") = "6"
    & skf21("7","6","3","3","6","2","4","1") = "6"
    & skf21("7","6","3","3","6","2","5","1") = "6"
    & skf21("7","6","3","3","6","2","6","1") = "6"
    & skf21("7","6","3","3","6","2","7","1") = "6"
    & skf21("7","6","3","3","6","3","1","1") = "6"
    & skf21("7","6","3","3","6","3","2","1") = "6"
    & skf21("7","6","3","3","6","3","3","1") = "6"
    & skf21("7","6","3","3","6","3","4","1") = "6"
    & skf21("7","6","3","3","6","3","5","1") = "6"
    & skf21("7","6","3","3","6","3","6","1") = "6"
    & skf21("7","6","3","3","6","3","7","1") = "6"
    & skf21("7","6","3","3","6","4","1","1") = "6"
    & skf21("7","6","3","3","6","4","2","1") = "6"
    & skf21("7","6","3","3","6","4","3","1") = "6"
    & skf21("7","6","3","3","6","4","4","1") = "6"
    & skf21("7","6","3","3","6","4","5","1") = "6"
    & skf21("7","6","3","3","6","4","6","1") = "6"
    & skf21("7","6","3","3","6","4","7","1") = "6"
    & skf21("7","6","3","3","6","5","1","1") = "6"
    & skf21("7","6","3","3","6","5","2","1") = "6"
    & skf21("7","6","3","3","6","5","3","1") = "6"
    & skf21("7","6","3","3","6","5","4","1") = "6"
    & skf21("7","6","3","3","6","5","5","1") = "6"
    & skf21("7","6","3","3","6","5","6","1") = "6"
    & skf21("7","6","3","3","6","5","7","1") = "6"
    & skf21("7","6","3","3","6","6","1","1") = "6"
    & skf21("7","6","3","3","6","6","2","1") = "6"
    & skf21("7","6","3","3","6","6","3","1") = "6"
    & skf21("7","6","3","3","6","6","4","1") = "6"
    & skf21("7","6","3","3","6","6","5","1") = "6"
    & skf21("7","6","3","3","6","6","6","1") = "6"
    & skf21("7","6","3","3","6","6","7","1") = "6"
    & skf21("7","6","3","3","6","7","1","1") = "6"
    & skf21("7","6","3","3","6","7","2","1") = "6"
    & skf21("7","6","3","3","6","7","3","1") = "6"
    & skf21("7","6","3","3","6","7","4","1") = "6"
    & skf21("7","6","3","3","6","7","5","1") = "6"
    & skf21("7","6","3","3","6","7","6","1") = "6"
    & skf21("7","6","3","3","6","7","7","1") = "6"
    & skf21("7","6","3","3","7","1","1","1") = "6"
    & skf21("7","6","3","3","7","1","2","1") = "6"
    & skf21("7","6","3","3","7","1","3","1") = "6"
    & skf21("7","6","3","3","7","1","4","1") = "6"
    & skf21("7","6","3","3","7","1","5","1") = "6"
    & skf21("7","6","3","3","7","1","6","1") = "6"
    & skf21("7","6","3","3","7","1","7","1") = "6"
    & skf21("7","6","3","3","7","2","1","1") = "6"
    & skf21("7","6","3","3","7","2","2","1") = "6"
    & skf21("7","6","3","3","7","2","3","1") = "6"
    & skf21("7","6","3","3","7","2","4","1") = "6"
    & skf21("7","6","3","3","7","2","5","1") = "6"
    & skf21("7","6","3","3","7","2","6","1") = "6"
    & skf21("7","6","3","3","7","2","7","1") = "6"
    & skf21("7","6","3","3","7","3","1","1") = "6"
    & skf21("7","6","3","3","7","3","2","1") = "6"
    & skf21("7","6","3","3","7","3","3","1") = "6"
    & skf21("7","6","3","3","7","3","4","1") = "6"
    & skf21("7","6","3","3","7","3","5","1") = "6"
    & skf21("7","6","3","3","7","3","6","1") = "6"
    & skf21("7","6","3","3","7","3","7","1") = "6"
    & skf21("7","6","3","3","7","4","1","1") = "6"
    & skf21("7","6","3","3","7","4","2","1") = "6"
    & skf21("7","6","3","3","7","4","3","1") = "6"
    & skf21("7","6","3","3","7","4","4","1") = "6"
    & skf21("7","6","3","3","7","4","5","1") = "6"
    & skf21("7","6","3","3","7","4","6","1") = "6"
    & skf21("7","6","3","3","7","4","7","1") = "6"
    & skf21("7","6","3","3","7","5","1","1") = "6"
    & skf21("7","6","3","3","7","5","2","1") = "6"
    & skf21("7","6","3","3","7","5","3","1") = "6"
    & skf21("7","6","3","3","7","5","4","1") = "6"
    & skf21("7","6","3","3","7","5","5","1") = "6"
    & skf21("7","6","3","3","7","5","6","1") = "6"
    & skf21("7","6","3","3","7","5","7","1") = "6"
    & skf21("7","6","3","3","7","6","1","1") = "6"
    & skf21("7","6","3","3","7","6","2","1") = "6"
    & skf21("7","6","3","3","7","6","3","1") = "6"
    & skf21("7","6","3","3","7","6","4","1") = "6"
    & skf21("7","6","3","3","7","6","5","1") = "6"
    & skf21("7","6","3","3","7","6","6","1") = "6"
    & skf21("7","6","3","3","7","6","7","1") = "6"
    & skf21("7","6","3","3","7","7","1","1") = "6"
    & skf21("7","6","3","3","7","7","2","1") = "6"
    & skf21("7","6","3","3","7","7","3","1") = "6"
    & skf21("7","6","3","3","7","7","4","1") = "6"
    & skf21("7","6","3","3","7","7","5","1") = "6"
    & skf21("7","6","3","3","7","7","6","1") = "6"
    & skf21("7","6","3","3","7","7","7","1") = "6"
    & skf21("7","6","3","4","1","1","1","1") = "6"
    & skf21("7","6","3","4","1","1","2","1") = "6"
    & skf21("7","6","3","4","1","1","3","1") = "6"
    & skf21("7","6","3","4","1","1","4","1") = "6"
    & skf21("7","6","3","4","1","1","5","1") = "6"
    & skf21("7","6","3","4","1","1","6","1") = "6"
    & skf21("7","6","3","4","1","1","7","1") = "6"
    & skf21("7","6","3","4","1","2","1","1") = "6"
    & skf21("7","6","3","4","1","2","2","1") = "6"
    & skf21("7","6","3","4","1","2","3","1") = "6"
    & skf21("7","6","3","4","1","2","4","1") = "6"
    & skf21("7","6","3","4","1","2","5","1") = "6"
    & skf21("7","6","3","4","1","2","6","1") = "6"
    & skf21("7","6","3","4","1","2","7","1") = "6"
    & skf21("7","6","3","4","1","3","1","1") = "6"
    & skf21("7","6","3","4","1","3","2","1") = "6"
    & skf21("7","6","3","4","1","3","3","1") = "6"
    & skf21("7","6","3","4","1","3","4","1") = "6"
    & skf21("7","6","3","4","1","3","5","1") = "6"
    & skf21("7","6","3","4","1","3","6","1") = "6"
    & skf21("7","6","3","4","1","3","7","1") = "6"
    & skf21("7","6","3","4","1","4","1","1") = "6"
    & skf21("7","6","3","4","1","4","2","1") = "6"
    & skf21("7","6","3","4","1","4","3","1") = "6"
    & skf21("7","6","3","4","1","4","4","1") = "6"
    & skf21("7","6","3","4","1","4","5","1") = "6"
    & skf21("7","6","3","4","1","4","6","1") = "6"
    & skf21("7","6","3","4","1","4","7","1") = "6"
    & skf21("7","6","3","4","1","5","1","1") = "6"
    & skf21("7","6","3","4","1","5","2","1") = "6"
    & skf21("7","6","3","4","1","5","3","1") = "6"
    & skf21("7","6","3","4","1","5","4","1") = "6"
    & skf21("7","6","3","4","1","5","5","1") = "6"
    & skf21("7","6","3","4","1","5","6","1") = "6"
    & skf21("7","6","3","4","1","5","7","1") = "6"
    & skf21("7","6","3","4","1","6","1","1") = "6"
    & skf21("7","6","3","4","1","6","2","1") = "6"
    & skf21("7","6","3","4","1","6","3","1") = "6"
    & skf21("7","6","3","4","1","6","4","1") = "6"
    & skf21("7","6","3","4","1","6","5","1") = "6"
    & skf21("7","6","3","4","1","6","6","1") = "6"
    & skf21("7","6","3","4","1","6","7","1") = "6"
    & skf21("7","6","3","4","1","7","1","1") = "6"
    & skf21("7","6","3","4","1","7","2","1") = "6"
    & skf21("7","6","3","4","1","7","3","1") = "6"
    & skf21("7","6","3","4","1","7","4","1") = "6"
    & skf21("7","6","3","4","1","7","5","1") = "6"
    & skf21("7","6","3","4","1","7","6","1") = "6"
    & skf21("7","6","3","4","1","7","7","1") = "6"
    & skf21("7","6","3","4","2","1","1","1") = "6"
    & skf21("7","6","3","4","2","1","2","1") = "6"
    & skf21("7","6","3","4","2","1","3","1") = "6"
    & skf21("7","6","3","4","2","1","4","1") = "6"
    & skf21("7","6","3","4","2","1","5","1") = "6"
    & skf21("7","6","3","4","2","1","6","1") = "6"
    & skf21("7","6","3","4","2","1","7","1") = "6"
    & skf21("7","6","3","4","2","2","1","1") = "6"
    & skf21("7","6","3","4","2","2","2","1") = "6"
    & skf21("7","6","3","4","2","2","3","1") = "6"
    & skf21("7","6","3","4","2","2","4","1") = "6"
    & skf21("7","6","3","4","2","2","5","1") = "6"
    & skf21("7","6","3","4","2","2","6","1") = "6"
    & skf21("7","6","3","4","2","2","7","1") = "6"
    & skf21("7","6","3","4","2","3","1","1") = "6"
    & skf21("7","6","3","4","2","3","2","1") = "6"
    & skf21("7","6","3","4","2","3","3","1") = "6"
    & skf21("7","6","3","4","2","3","4","1") = "6"
    & skf21("7","6","3","4","2","3","5","1") = "6"
    & skf21("7","6","3","4","2","3","6","1") = "6"
    & skf21("7","6","3","4","2","3","7","1") = "6"
    & skf21("7","6","3","4","2","4","1","1") = "6"
    & skf21("7","6","3","4","2","4","2","1") = "6"
    & skf21("7","6","3","4","2","4","3","1") = "6"
    & skf21("7","6","3","4","2","4","4","1") = "6"
    & skf21("7","6","3","4","2","4","5","1") = "6"
    & skf21("7","6","3","4","2","4","6","1") = "6"
    & skf21("7","6","3","4","2","4","7","1") = "6"
    & skf21("7","6","3","4","2","5","1","1") = "6"
    & skf21("7","6","3","4","2","5","2","1") = "6"
    & skf21("7","6","3","4","2","5","3","1") = "6"
    & skf21("7","6","3","4","2","5","4","1") = "6"
    & skf21("7","6","3","4","2","5","5","1") = "6"
    & skf21("7","6","3","4","2","5","6","1") = "6"
    & skf21("7","6","3","4","2","5","7","1") = "6"
    & skf21("7","6","3","4","2","6","1","1") = "6"
    & skf21("7","6","3","4","2","6","2","1") = "6"
    & skf21("7","6","3","4","2","6","3","1") = "6"
    & skf21("7","6","3","4","2","6","4","1") = "6"
    & skf21("7","6","3","4","2","6","5","1") = "6"
    & skf21("7","6","3","4","2","6","6","1") = "6"
    & skf21("7","6","3","4","2","6","7","1") = "6"
    & skf21("7","6","3","4","2","7","1","1") = "6"
    & skf21("7","6","3","4","2","7","2","1") = "6"
    & skf21("7","6","3","4","2","7","3","1") = "6"
    & skf21("7","6","3","4","2","7","4","1") = "6"
    & skf21("7","6","3","4","2","7","5","1") = "6"
    & skf21("7","6","3","4","2","7","6","1") = "6"
    & skf21("7","6","3","4","2","7","7","1") = "6"
    & skf21("7","6","3","4","3","1","1","1") = "6"
    & skf21("7","6","3","4","3","1","2","1") = "6"
    & skf21("7","6","3","4","3","1","3","1") = "6"
    & skf21("7","6","3","4","3","1","4","1") = "6"
    & skf21("7","6","3","4","3","1","5","1") = "6"
    & skf21("7","6","3","4","3","1","6","1") = "6"
    & skf21("7","6","3","4","3","1","7","1") = "6"
    & skf21("7","6","3","4","3","2","1","1") = "6"
    & skf21("7","6","3","4","3","2","2","1") = "6"
    & skf21("7","6","3","4","3","2","3","1") = "6"
    & skf21("7","6","3","4","3","2","4","1") = "6"
    & skf21("7","6","3","4","3","2","5","1") = "6"
    & skf21("7","6","3","4","3","2","6","1") = "6"
    & skf21("7","6","3","4","3","2","7","1") = "6"
    & skf21("7","6","3","4","3","3","1","1") = "6"
    & skf21("7","6","3","4","3","3","2","1") = "6"
    & skf21("7","6","3","4","3","3","3","1") = "6"
    & skf21("7","6","3","4","3","3","4","1") = "6"
    & skf21("7","6","3","4","3","3","5","1") = "6"
    & skf21("7","6","3","4","3","3","6","1") = "6"
    & skf21("7","6","3","4","3","3","7","1") = "6"
    & skf21("7","6","3","4","3","4","1","1") = "6"
    & skf21("7","6","3","4","3","4","2","1") = "6"
    & skf21("7","6","3","4","3","4","3","1") = "6"
    & skf21("7","6","3","4","3","4","4","1") = "6"
    & skf21("7","6","3","4","3","4","5","1") = "6"
    & skf21("7","6","3","4","3","4","6","1") = "6"
    & skf21("7","6","3","4","3","4","7","1") = "6"
    & skf21("7","6","3","4","3","5","1","1") = "6"
    & skf21("7","6","3","4","3","5","2","1") = "6"
    & skf21("7","6","3","4","3","5","3","1") = "6"
    & skf21("7","6","3","4","3","5","4","1") = "6"
    & skf21("7","6","3","4","3","5","5","1") = "6"
    & skf21("7","6","3","4","3","5","6","1") = "6"
    & skf21("7","6","3","4","3","5","7","1") = "6"
    & skf21("7","6","3","4","3","6","1","1") = "6"
    & skf21("7","6","3","4","3","6","2","1") = "6"
    & skf21("7","6","3","4","3","6","3","1") = "6"
    & skf21("7","6","3","4","3","6","4","1") = "6"
    & skf21("7","6","3","4","3","6","5","1") = "6"
    & skf21("7","6","3","4","3","6","6","1") = "6"
    & skf21("7","6","3","4","3","6","7","1") = "6"
    & skf21("7","6","3","4","3","7","1","1") = "6"
    & skf21("7","6","3","4","3","7","2","1") = "6"
    & skf21("7","6","3","4","3","7","3","1") = "6"
    & skf21("7","6","3","4","3","7","4","1") = "6"
    & skf21("7","6","3","4","3","7","5","1") = "6"
    & skf21("7","6","3","4","3","7","6","1") = "6"
    & skf21("7","6","3","4","3","7","7","1") = "6"
    & skf21("7","6","3","4","4","1","1","1") = "6"
    & skf21("7","6","3","4","4","1","2","1") = "6"
    & skf21("7","6","3","4","4","1","3","1") = "6"
    & skf21("7","6","3","4","4","1","4","1") = "6"
    & skf21("7","6","3","4","4","1","5","1") = "6"
    & skf21("7","6","3","4","4","1","6","1") = "6"
    & skf21("7","6","3","4","4","1","7","1") = "6"
    & skf21("7","6","3","4","4","2","1","1") = "6"
    & skf21("7","6","3","4","4","2","2","1") = "6"
    & skf21("7","6","3","4","4","2","3","1") = "6"
    & skf21("7","6","3","4","4","2","4","1") = "6"
    & skf21("7","6","3","4","4","2","5","1") = "6"
    & skf21("7","6","3","4","4","2","6","1") = "6"
    & skf21("7","6","3","4","4","2","7","1") = "6"
    & skf21("7","6","3","4","4","3","1","1") = "6"
    & skf21("7","6","3","4","4","3","2","1") = "6"
    & skf21("7","6","3","4","4","3","3","1") = "6"
    & skf21("7","6","3","4","4","3","4","1") = "6"
    & skf21("7","6","3","4","4","3","5","1") = "6"
    & skf21("7","6","3","4","4","3","6","1") = "6"
    & skf21("7","6","3","4","4","3","7","1") = "6"
    & skf21("7","6","3","4","4","4","1","1") = "6"
    & skf21("7","6","3","4","4","4","2","1") = "6"
    & skf21("7","6","3","4","4","4","3","1") = "6"
    & skf21("7","6","3","4","4","4","4","1") = "6"
    & skf21("7","6","3","4","4","4","5","1") = "6"
    & skf21("7","6","3","4","4","4","6","1") = "6"
    & skf21("7","6","3","4","4","4","7","1") = "6"
    & skf21("7","6","3","4","4","5","1","1") = "6"
    & skf21("7","6","3","4","4","5","2","1") = "6"
    & skf21("7","6","3","4","4","5","3","1") = "6"
    & skf21("7","6","3","4","4","5","4","1") = "6"
    & skf21("7","6","3","4","4","5","5","1") = "6"
    & skf21("7","6","3","4","4","5","6","1") = "6"
    & skf21("7","6","3","4","4","5","7","1") = "6"
    & skf21("7","6","3","4","4","6","1","1") = "6"
    & skf21("7","6","3","4","4","6","2","1") = "6"
    & skf21("7","6","3","4","4","6","3","1") = "6"
    & skf21("7","6","3","4","4","6","4","1") = "6"
    & skf21("7","6","3","4","4","6","5","1") = "6"
    & skf21("7","6","3","4","4","6","6","1") = "6"
    & skf21("7","6","3","4","4","6","7","1") = "6"
    & skf21("7","6","3","4","4","7","1","1") = "6"
    & skf21("7","6","3","4","4","7","2","1") = "6"
    & skf21("7","6","3","4","4","7","3","1") = "6"
    & skf21("7","6","3","4","4","7","4","1") = "6"
    & skf21("7","6","3","4","4","7","5","1") = "6"
    & skf21("7","6","3","4","4","7","6","1") = "6"
    & skf21("7","6","3","4","4","7","7","1") = "6"
    & skf21("7","6","3","4","5","1","1","1") = "6"
    & skf21("7","6","3","4","5","1","2","1") = "6"
    & skf21("7","6","3","4","5","1","3","1") = "6"
    & skf21("7","6","3","4","5","1","4","1") = "6"
    & skf21("7","6","3","4","5","1","5","1") = "6"
    & skf21("7","6","3","4","5","1","6","1") = "6"
    & skf21("7","6","3","4","5","1","7","1") = "6"
    & skf21("7","6","3","4","5","2","1","1") = "6"
    & skf21("7","6","3","4","5","2","2","1") = "6"
    & skf21("7","6","3","4","5","2","3","1") = "6"
    & skf21("7","6","3","4","5","2","4","1") = "6"
    & skf21("7","6","3","4","5","2","5","1") = "6"
    & skf21("7","6","3","4","5","2","6","1") = "6"
    & skf21("7","6","3","4","5","2","7","1") = "6"
    & skf21("7","6","3","4","5","3","1","1") = "6"
    & skf21("7","6","3","4","5","3","2","1") = "6"
    & skf21("7","6","3","4","5","3","3","1") = "6"
    & skf21("7","6","3","4","5","3","4","1") = "6"
    & skf21("7","6","3","4","5","3","5","1") = "6"
    & skf21("7","6","3","4","5","3","6","1") = "6"
    & skf21("7","6","3","4","5","3","7","1") = "6"
    & skf21("7","6","3","4","5","4","1","1") = "6"
    & skf21("7","6","3","4","5","4","2","1") = "6"
    & skf21("7","6","3","4","5","4","3","1") = "6"
    & skf21("7","6","3","4","5","4","4","1") = "6"
    & skf21("7","6","3","4","5","4","5","1") = "6"
    & skf21("7","6","3","4","5","4","6","1") = "6"
    & skf21("7","6","3","4","5","4","7","1") = "6"
    & skf21("7","6","3","4","5","5","1","1") = "6"
    & skf21("7","6","3","4","5","5","2","1") = "6"
    & skf21("7","6","3","4","5","5","3","1") = "6"
    & skf21("7","6","3","4","5","5","4","1") = "6"
    & skf21("7","6","3","4","5","5","5","1") = "6"
    & skf21("7","6","3","4","5","5","6","1") = "6"
    & skf21("7","6","3","4","5","5","7","1") = "6"
    & skf21("7","6","3","4","5","6","1","1") = "6"
    & skf21("7","6","3","4","5","6","2","1") = "6"
    & skf21("7","6","3","4","5","6","3","1") = "6"
    & skf21("7","6","3","4","5","6","4","1") = "6"
    & skf21("7","6","3","4","5","6","5","1") = "6"
    & skf21("7","6","3","4","5","6","6","1") = "6"
    & skf21("7","6","3","4","5","6","7","1") = "6"
    & skf21("7","6","3","4","5","7","1","1") = "6"
    & skf21("7","6","3","4","5","7","2","1") = "6"
    & skf21("7","6","3","4","5","7","3","1") = "6"
    & skf21("7","6","3","4","5","7","4","1") = "6"
    & skf21("7","6","3","4","5","7","5","1") = "6"
    & skf21("7","6","3","4","5","7","6","1") = "6"
    & skf21("7","6","3","4","5","7","7","1") = "6"
    & skf21("7","6","3","4","6","1","1","1") = "6"
    & skf21("7","6","3","4","6","1","2","1") = "6"
    & skf21("7","6","3","4","6","1","3","1") = "6"
    & skf21("7","6","3","4","6","1","4","1") = "6"
    & skf21("7","6","3","4","6","1","5","1") = "6"
    & skf21("7","6","3","4","6","1","6","1") = "6"
    & skf21("7","6","3","4","6","1","7","1") = "6"
    & skf21("7","6","3","4","6","2","1","1") = "6"
    & skf21("7","6","3","4","6","2","2","1") = "6"
    & skf21("7","6","3","4","6","2","3","1") = "6"
    & skf21("7","6","3","4","6","2","4","1") = "6"
    & skf21("7","6","3","4","6","2","5","1") = "6"
    & skf21("7","6","3","4","6","2","6","1") = "6"
    & skf21("7","6","3","4","6","2","7","1") = "6"
    & skf21("7","6","3","4","6","3","1","1") = "6"
    & skf21("7","6","3","4","6","3","2","1") = "6"
    & skf21("7","6","3","4","6","3","3","1") = "6"
    & skf21("7","6","3","4","6","3","4","1") = "6"
    & skf21("7","6","3","4","6","3","5","1") = "6"
    & skf21("7","6","3","4","6","3","6","1") = "6"
    & skf21("7","6","3","4","6","3","7","1") = "6"
    & skf21("7","6","3","4","6","4","1","1") = "6"
    & skf21("7","6","3","4","6","4","2","1") = "6"
    & skf21("7","6","3","4","6","4","3","1") = "6"
    & skf21("7","6","3","4","6","4","4","1") = "6"
    & skf21("7","6","3","4","6","4","5","1") = "6"
    & skf21("7","6","3","4","6","4","6","1") = "6"
    & skf21("7","6","3","4","6","4","7","1") = "6"
    & skf21("7","6","3","4","6","5","1","1") = "6"
    & skf21("7","6","3","4","6","5","2","1") = "6"
    & skf21("7","6","3","4","6","5","3","1") = "6"
    & skf21("7","6","3","4","6","5","4","1") = "6"
    & skf21("7","6","3","4","6","5","5","1") = "6"
    & skf21("7","6","3","4","6","5","6","1") = "6"
    & skf21("7","6","3","4","6","5","7","1") = "6"
    & skf21("7","6","3","4","6","6","1","1") = "6"
    & skf21("7","6","3","4","6","6","2","1") = "6"
    & skf21("7","6","3","4","6","6","3","1") = "6"
    & skf21("7","6","3","4","6","6","4","1") = "6"
    & skf21("7","6","3","4","6","6","5","1") = "6"
    & skf21("7","6","3","4","6","6","6","1") = "6"
    & skf21("7","6","3","4","6","6","7","1") = "6"
    & skf21("7","6","3","4","6","7","1","1") = "6"
    & skf21("7","6","3","4","6","7","2","1") = "6"
    & skf21("7","6","3","4","6","7","3","1") = "6"
    & skf21("7","6","3","4","6","7","4","1") = "6"
    & skf21("7","6","3","4","6","7","5","1") = "6"
    & skf21("7","6","3","4","6","7","6","1") = "6"
    & skf21("7","6","3","4","6","7","7","1") = "6"
    & skf21("7","6","3","4","7","1","1","1") = "6"
    & skf21("7","6","3","4","7","1","2","1") = "6"
    & skf21("7","6","3","4","7","1","3","1") = "6"
    & skf21("7","6","3","4","7","1","4","1") = "6"
    & skf21("7","6","3","4","7","1","5","1") = "6"
    & skf21("7","6","3","4","7","1","6","1") = "6"
    & skf21("7","6","3","4","7","1","7","1") = "6"
    & skf21("7","6","3","4","7","2","1","1") = "6"
    & skf21("7","6","3","4","7","2","2","1") = "6"
    & skf21("7","6","3","4","7","2","3","1") = "6"
    & skf21("7","6","3","4","7","2","4","1") = "6"
    & skf21("7","6","3","4","7","2","5","1") = "6"
    & skf21("7","6","3","4","7","2","6","1") = "6"
    & skf21("7","6","3","4","7","2","7","1") = "6"
    & skf21("7","6","3","4","7","3","1","1") = "6"
    & skf21("7","6","3","4","7","3","2","1") = "6"
    & skf21("7","6","3","4","7","3","3","1") = "6"
    & skf21("7","6","3","4","7","3","4","1") = "6"
    & skf21("7","6","3","4","7","3","5","1") = "6"
    & skf21("7","6","3","4","7","3","6","1") = "6"
    & skf21("7","6","3","4","7","3","7","1") = "6"
    & skf21("7","6","3","4","7","4","1","1") = "6"
    & skf21("7","6","3","4","7","4","2","1") = "6"
    & skf21("7","6","3","4","7","4","3","1") = "6"
    & skf21("7","6","3","4","7","4","4","1") = "6"
    & skf21("7","6","3","4","7","4","5","1") = "6"
    & skf21("7","6","3","4","7","4","6","1") = "6"
    & skf21("7","6","3","4","7","4","7","1") = "6"
    & skf21("7","6","3","4","7","5","1","1") = "6"
    & skf21("7","6","3","4","7","5","2","1") = "6"
    & skf21("7","6","3","4","7","5","3","1") = "6"
    & skf21("7","6","3","4","7","5","4","1") = "6"
    & skf21("7","6","3","4","7","5","5","1") = "6"
    & skf21("7","6","3","4","7","5","6","1") = "6"
    & skf21("7","6","3","4","7","5","7","1") = "6"
    & skf21("7","6","3","4","7","6","1","1") = "6"
    & skf21("7","6","3","4","7","6","2","1") = "6"
    & skf21("7","6","3","4","7","6","3","1") = "6"
    & skf21("7","6","3","4","7","6","4","1") = "6"
    & skf21("7","6","3","4","7","6","5","1") = "6"
    & skf21("7","6","3","4","7","6","6","1") = "6"
    & skf21("7","6","3","4","7","6","7","1") = "6"
    & skf21("7","6","3","4","7","7","1","1") = "6"
    & skf21("7","6","3","4","7","7","2","1") = "6"
    & skf21("7","6","3","4","7","7","3","1") = "6"
    & skf21("7","6","3","4","7","7","4","1") = "6"
    & skf21("7","6","3","4","7","7","5","1") = "6"
    & skf21("7","6","3","4","7","7","6","1") = "6"
    & skf21("7","6","3","4","7","7","7","1") = "6"
    & skf21("7","6","3","5","1","1","1","1") = "6"
    & skf21("7","6","3","5","1","1","2","1") = "6"
    & skf21("7","6","3","5","1","1","3","1") = "6"
    & skf21("7","6","3","5","1","1","4","1") = "6"
    & skf21("7","6","3","5","1","1","5","1") = "6"
    & skf21("7","6","3","5","1","1","6","1") = "6"
    & skf21("7","6","3","5","1","1","7","1") = "6"
    & skf21("7","6","3","5","1","2","1","1") = "6"
    & skf21("7","6","3","5","1","2","2","1") = "6"
    & skf21("7","6","3","5","1","2","3","1") = "6"
    & skf21("7","6","3","5","1","2","4","1") = "6"
    & skf21("7","6","3","5","1","2","5","1") = "6"
    & skf21("7","6","3","5","1","2","6","1") = "6"
    & skf21("7","6","3","5","1","2","7","1") = "6"
    & skf21("7","6","3","5","1","3","1","1") = "6"
    & skf21("7","6","3","5","1","3","2","1") = "6"
    & skf21("7","6","3","5","1","3","3","1") = "6"
    & skf21("7","6","3","5","1","3","4","1") = "6"
    & skf21("7","6","3","5","1","3","5","1") = "6"
    & skf21("7","6","3","5","1","3","6","1") = "6"
    & skf21("7","6","3","5","1","3","7","1") = "6"
    & skf21("7","6","3","5","1","4","1","1") = "6"
    & skf21("7","6","3","5","1","4","2","1") = "6"
    & skf21("7","6","3","5","1","4","3","1") = "6"
    & skf21("7","6","3","5","1","4","4","1") = "6"
    & skf21("7","6","3","5","1","4","5","1") = "6"
    & skf21("7","6","3","5","1","4","6","1") = "6"
    & skf21("7","6","3","5","1","4","7","1") = "6"
    & skf21("7","6","3","5","1","5","1","1") = "6"
    & skf21("7","6","3","5","1","5","2","1") = "6"
    & skf21("7","6","3","5","1","5","3","1") = "6"
    & skf21("7","6","3","5","1","5","4","1") = "6"
    & skf21("7","6","3","5","1","5","5","1") = "6"
    & skf21("7","6","3","5","1","5","6","1") = "6"
    & skf21("7","6","3","5","1","5","7","1") = "6"
    & skf21("7","6","3","5","1","6","1","1") = "6"
    & skf21("7","6","3","5","1","6","2","1") = "6"
    & skf21("7","6","3","5","1","6","3","1") = "6"
    & skf21("7","6","3","5","1","6","4","1") = "6"
    & skf21("7","6","3","5","1","6","5","1") = "6"
    & skf21("7","6","3","5","1","6","6","1") = "6"
    & skf21("7","6","3","5","1","6","7","1") = "6"
    & skf21("7","6","3","5","1","7","1","1") = "6"
    & skf21("7","6","3","5","1","7","2","1") = "6"
    & skf21("7","6","3","5","1","7","3","1") = "6"
    & skf21("7","6","3","5","1","7","4","1") = "6"
    & skf21("7","6","3","5","1","7","5","1") = "6"
    & skf21("7","6","3","5","1","7","6","1") = "6"
    & skf21("7","6","3","5","1","7","7","1") = "6"
    & skf21("7","6","3","5","2","1","1","1") = "6"
    & skf21("7","6","3","5","2","1","2","1") = "6"
    & skf21("7","6","3","5","2","1","3","1") = "6"
    & skf21("7","6","3","5","2","1","4","1") = "6"
    & skf21("7","6","3","5","2","1","5","1") = "6"
    & skf21("7","6","3","5","2","1","6","1") = "6"
    & skf21("7","6","3","5","2","1","7","1") = "6"
    & skf21("7","6","3","5","2","2","1","1") = "6"
    & skf21("7","6","3","5","2","2","2","1") = "6"
    & skf21("7","6","3","5","2","2","3","1") = "6"
    & skf21("7","6","3","5","2","2","4","1") = "6"
    & skf21("7","6","3","5","2","2","5","1") = "6"
    & skf21("7","6","3","5","2","2","6","1") = "6"
    & skf21("7","6","3","5","2","2","7","1") = "6"
    & skf21("7","6","3","5","2","3","1","1") = "6"
    & skf21("7","6","3","5","2","3","2","1") = "6"
    & skf21("7","6","3","5","2","3","3","1") = "6"
    & skf21("7","6","3","5","2","3","4","1") = "6"
    & skf21("7","6","3","5","2","3","5","1") = "6"
    & skf21("7","6","3","5","2","3","6","1") = "6"
    & skf21("7","6","3","5","2","3","7","1") = "6"
    & skf21("7","6","3","5","2","4","1","1") = "6"
    & skf21("7","6","3","5","2","4","2","1") = "6"
    & skf21("7","6","3","5","2","4","3","1") = "6"
    & skf21("7","6","3","5","2","4","4","1") = "6"
    & skf21("7","6","3","5","2","4","5","1") = "6"
    & skf21("7","6","3","5","2","4","6","1") = "6"
    & skf21("7","6","3","5","2","4","7","1") = "6"
    & skf21("7","6","3","5","2","5","1","1") = "6"
    & skf21("7","6","3","5","2","5","2","1") = "6"
    & skf21("7","6","3","5","2","5","3","1") = "6"
    & skf21("7","6","3","5","2","5","4","1") = "6"
    & skf21("7","6","3","5","2","5","5","1") = "6"
    & skf21("7","6","3","5","2","5","6","1") = "6"
    & skf21("7","6","3","5","2","5","7","1") = "6"
    & skf21("7","6","3","5","2","6","1","1") = "6"
    & skf21("7","6","3","5","2","6","2","1") = "6"
    & skf21("7","6","3","5","2","6","3","1") = "6"
    & skf21("7","6","3","5","2","6","4","1") = "6"
    & skf21("7","6","3","5","2","6","5","1") = "6"
    & skf21("7","6","3","5","2","6","6","1") = "6"
    & skf21("7","6","3","5","2","6","7","1") = "6"
    & skf21("7","6","3","5","2","7","1","1") = "6"
    & skf21("7","6","3","5","2","7","2","1") = "6"
    & skf21("7","6","3","5","2","7","3","1") = "6"
    & skf21("7","6","3","5","2","7","4","1") = "6"
    & skf21("7","6","3","5","2","7","5","1") = "6"
    & skf21("7","6","3","5","2","7","6","1") = "6"
    & skf21("7","6","3","5","2","7","7","1") = "6"
    & skf21("7","6","3","5","3","1","1","1") = "6"
    & skf21("7","6","3","5","3","1","2","1") = "6"
    & skf21("7","6","3","5","3","1","3","1") = "6"
    & skf21("7","6","3","5","3","1","4","1") = "6"
    & skf21("7","6","3","5","3","1","5","1") = "6"
    & skf21("7","6","3","5","3","1","6","1") = "6"
    & skf21("7","6","3","5","3","1","7","1") = "6"
    & skf21("7","6","3","5","3","2","1","1") = "6"
    & skf21("7","6","3","5","3","2","2","1") = "6"
    & skf21("7","6","3","5","3","2","3","1") = "6"
    & skf21("7","6","3","5","3","2","4","1") = "6"
    & skf21("7","6","3","5","3","2","5","1") = "6"
    & skf21("7","6","3","5","3","2","6","1") = "6"
    & skf21("7","6","3","5","3","2","7","1") = "6"
    & skf21("7","6","3","5","3","3","1","1") = "6"
    & skf21("7","6","3","5","3","3","2","1") = "6"
    & skf21("7","6","3","5","3","3","3","1") = "6"
    & skf21("7","6","3","5","3","3","4","1") = "6"
    & skf21("7","6","3","5","3","3","5","1") = "6"
    & skf21("7","6","3","5","3","3","6","1") = "6"
    & skf21("7","6","3","5","3","3","7","1") = "6"
    & skf21("7","6","3","5","3","4","1","1") = "6"
    & skf21("7","6","3","5","3","4","2","1") = "6"
    & skf21("7","6","3","5","3","4","3","1") = "6"
    & skf21("7","6","3","5","3","4","4","1") = "6"
    & skf21("7","6","3","5","3","4","5","1") = "6"
    & skf21("7","6","3","5","3","4","6","1") = "6"
    & skf21("7","6","3","5","3","4","7","1") = "6"
    & skf21("7","6","3","5","3","5","1","1") = "6"
    & skf21("7","6","3","5","3","5","2","1") = "6"
    & skf21("7","6","3","5","3","5","3","1") = "6"
    & skf21("7","6","3","5","3","5","4","1") = "6"
    & skf21("7","6","3","5","3","5","5","1") = "6"
    & skf21("7","6","3","5","3","5","6","1") = "6"
    & skf21("7","6","3","5","3","5","7","1") = "6"
    & skf21("7","6","3","5","3","6","1","1") = "6"
    & skf21("7","6","3","5","3","6","2","1") = "6"
    & skf21("7","6","3","5","3","6","3","1") = "6"
    & skf21("7","6","3","5","3","6","4","1") = "6"
    & skf21("7","6","3","5","3","6","5","1") = "6"
    & skf21("7","6","3","5","3","6","6","1") = "6"
    & skf21("7","6","3","5","3","6","7","1") = "6"
    & skf21("7","6","3","5","3","7","1","1") = "6"
    & skf21("7","6","3","5","3","7","2","1") = "6"
    & skf21("7","6","3","5","3","7","3","1") = "6"
    & skf21("7","6","3","5","3","7","4","1") = "6"
    & skf21("7","6","3","5","3","7","5","1") = "6"
    & skf21("7","6","3","5","3","7","6","1") = "6"
    & skf21("7","6","3","5","3","7","7","1") = "6"
    & skf21("7","6","3","5","4","1","1","1") = "6"
    & skf21("7","6","3","5","4","1","2","1") = "6"
    & skf21("7","6","3","5","4","1","3","1") = "6"
    & skf21("7","6","3","5","4","1","4","1") = "6"
    & skf21("7","6","3","5","4","1","5","1") = "6"
    & skf21("7","6","3","5","4","1","6","1") = "6"
    & skf21("7","6","3","5","4","1","7","1") = "6"
    & skf21("7","6","3","5","4","2","1","1") = "6"
    & skf21("7","6","3","5","4","2","2","1") = "6"
    & skf21("7","6","3","5","4","2","3","1") = "6"
    & skf21("7","6","3","5","4","2","4","1") = "6"
    & skf21("7","6","3","5","4","2","5","1") = "6"
    & skf21("7","6","3","5","4","2","6","1") = "6"
    & skf21("7","6","3","5","4","2","7","1") = "6"
    & skf21("7","6","3","5","4","3","1","1") = "6"
    & skf21("7","6","3","5","4","3","2","1") = "6"
    & skf21("7","6","3","5","4","3","3","1") = "6"
    & skf21("7","6","3","5","4","3","4","1") = "6"
    & skf21("7","6","3","5","4","3","5","1") = "6"
    & skf21("7","6","3","5","4","3","6","1") = "6"
    & skf21("7","6","3","5","4","3","7","1") = "6"
    & skf21("7","6","3","5","4","4","1","1") = "6"
    & skf21("7","6","3","5","4","4","2","1") = "6"
    & skf21("7","6","3","5","4","4","3","1") = "6"
    & skf21("7","6","3","5","4","4","4","1") = "6"
    & skf21("7","6","3","5","4","4","5","1") = "6"
    & skf21("7","6","3","5","4","4","6","1") = "6"
    & skf21("7","6","3","5","4","4","7","1") = "6"
    & skf21("7","6","3","5","4","5","1","1") = "6"
    & skf21("7","6","3","5","4","5","2","1") = "6"
    & skf21("7","6","3","5","4","5","3","1") = "6"
    & skf21("7","6","3","5","4","5","4","1") = "6"
    & skf21("7","6","3","5","4","5","5","1") = "6"
    & skf21("7","6","3","5","4","5","6","1") = "6"
    & skf21("7","6","3","5","4","5","7","1") = "6"
    & skf21("7","6","3","5","4","6","1","1") = "6"
    & skf21("7","6","3","5","4","6","2","1") = "6"
    & skf21("7","6","3","5","4","6","3","1") = "6"
    & skf21("7","6","3","5","4","6","4","1") = "6"
    & skf21("7","6","3","5","4","6","5","1") = "6"
    & skf21("7","6","3","5","4","6","6","1") = "6"
    & skf21("7","6","3","5","4","6","7","1") = "6"
    & skf21("7","6","3","5","4","7","1","1") = "6"
    & skf21("7","6","3","5","4","7","2","1") = "6"
    & skf21("7","6","3","5","4","7","3","1") = "6"
    & skf21("7","6","3","5","4","7","4","1") = "6"
    & skf21("7","6","3","5","4","7","5","1") = "6"
    & skf21("7","6","3","5","4","7","6","1") = "6"
    & skf21("7","6","3","5","4","7","7","1") = "6"
    & skf21("7","6","3","5","5","1","1","1") = "6"
    & skf21("7","6","3","5","5","1","2","1") = "6"
    & skf21("7","6","3","5","5","1","3","1") = "6"
    & skf21("7","6","3","5","5","1","4","1") = "6"
    & skf21("7","6","3","5","5","1","5","1") = "6"
    & skf21("7","6","3","5","5","1","6","1") = "6"
    & skf21("7","6","3","5","5","1","7","1") = "6"
    & skf21("7","6","3","5","5","2","1","1") = "6"
    & skf21("7","6","3","5","5","2","2","1") = "6"
    & skf21("7","6","3","5","5","2","3","1") = "6"
    & skf21("7","6","3","5","5","2","4","1") = "6"
    & skf21("7","6","3","5","5","2","5","1") = "6"
    & skf21("7","6","3","5","5","2","6","1") = "6"
    & skf21("7","6","3","5","5","2","7","1") = "6"
    & skf21("7","6","3","5","5","3","1","1") = "6"
    & skf21("7","6","3","5","5","3","2","1") = "6"
    & skf21("7","6","3","5","5","3","3","1") = "6"
    & skf21("7","6","3","5","5","3","4","1") = "6"
    & skf21("7","6","3","5","5","3","5","1") = "6"
    & skf21("7","6","3","5","5","3","6","1") = "6"
    & skf21("7","6","3","5","5","3","7","1") = "6"
    & skf21("7","6","3","5","5","4","1","1") = "6"
    & skf21("7","6","3","5","5","4","2","1") = "6"
    & skf21("7","6","3","5","5","4","3","1") = "6"
    & skf21("7","6","3","5","5","4","4","1") = "6"
    & skf21("7","6","3","5","5","4","5","1") = "6"
    & skf21("7","6","3","5","5","4","6","1") = "6"
    & skf21("7","6","3","5","5","4","7","1") = "6"
    & skf21("7","6","3","5","5","5","1","1") = "6"
    & skf21("7","6","3","5","5","5","2","1") = "6"
    & skf21("7","6","3","5","5","5","3","1") = "6"
    & skf21("7","6","3","5","5","5","4","1") = "6"
    & skf21("7","6","3","5","5","5","5","1") = "6"
    & skf21("7","6","3","5","5","5","6","1") = "6"
    & skf21("7","6","3","5","5","5","7","1") = "6"
    & skf21("7","6","3","5","5","6","1","1") = "6"
    & skf21("7","6","3","5","5","6","2","1") = "6"
    & skf21("7","6","3","5","5","6","3","1") = "6"
    & skf21("7","6","3","5","5","6","4","1") = "6"
    & skf21("7","6","3","5","5","6","5","1") = "6"
    & skf21("7","6","3","5","5","6","6","1") = "6"
    & skf21("7","6","3","5","5","6","7","1") = "6"
    & skf21("7","6","3","5","5","7","1","1") = "6"
    & skf21("7","6","3","5","5","7","2","1") = "6"
    & skf21("7","6","3","5","5","7","3","1") = "6"
    & skf21("7","6","3","5","5","7","4","1") = "6"
    & skf21("7","6","3","5","5","7","5","1") = "6"
    & skf21("7","6","3","5","5","7","6","1") = "6"
    & skf21("7","6","3","5","5","7","7","1") = "6"
    & skf21("7","6","3","5","6","1","1","1") = "6"
    & skf21("7","6","3","5","6","1","2","1") = "6"
    & skf21("7","6","3","5","6","1","3","1") = "6"
    & skf21("7","6","3","5","6","1","4","1") = "6"
    & skf21("7","6","3","5","6","1","5","1") = "6"
    & skf21("7","6","3","5","6","1","6","1") = "6"
    & skf21("7","6","3","5","6","1","7","1") = "6"
    & skf21("7","6","3","5","6","2","1","1") = "6"
    & skf21("7","6","3","5","6","2","2","1") = "6"
    & skf21("7","6","3","5","6","2","3","1") = "6"
    & skf21("7","6","3","5","6","2","4","1") = "6"
    & skf21("7","6","3","5","6","2","5","1") = "6"
    & skf21("7","6","3","5","6","2","6","1") = "6"
    & skf21("7","6","3","5","6","2","7","1") = "6"
    & skf21("7","6","3","5","6","3","1","1") = "6"
    & skf21("7","6","3","5","6","3","2","1") = "6"
    & skf21("7","6","3","5","6","3","3","1") = "6"
    & skf21("7","6","3","5","6","3","4","1") = "6"
    & skf21("7","6","3","5","6","3","5","1") = "6"
    & skf21("7","6","3","5","6","3","6","1") = "6"
    & skf21("7","6","3","5","6","3","7","1") = "6"
    & skf21("7","6","3","5","6","4","1","1") = "6"
    & skf21("7","6","3","5","6","4","2","1") = "6"
    & skf21("7","6","3","5","6","4","3","1") = "6"
    & skf21("7","6","3","5","6","4","4","1") = "6"
    & skf21("7","6","3","5","6","4","5","1") = "6"
    & skf21("7","6","3","5","6","4","6","1") = "6"
    & skf21("7","6","3","5","6","4","7","1") = "6"
    & skf21("7","6","3","5","6","5","1","1") = "6"
    & skf21("7","6","3","5","6","5","2","1") = "6"
    & skf21("7","6","3","5","6","5","3","1") = "6"
    & skf21("7","6","3","5","6","5","4","1") = "6"
    & skf21("7","6","3","5","6","5","5","1") = "6"
    & skf21("7","6","3","5","6","5","6","1") = "6"
    & skf21("7","6","3","5","6","5","7","1") = "6"
    & skf21("7","6","3","5","6","6","1","1") = "6"
    & skf21("7","6","3","5","6","6","2","1") = "6"
    & skf21("7","6","3","5","6","6","3","1") = "6"
    & skf21("7","6","3","5","6","6","4","1") = "6"
    & skf21("7","6","3","5","6","6","5","1") = "6"
    & skf21("7","6","3","5","6","6","6","1") = "6"
    & skf21("7","6","3","5","6","6","7","1") = "6"
    & skf21("7","6","3","5","6","7","1","1") = "6"
    & skf21("7","6","3","5","6","7","2","1") = "6"
    & skf21("7","6","3","5","6","7","3","1") = "6"
    & skf21("7","6","3","5","6","7","4","1") = "6"
    & skf21("7","6","3","5","6","7","5","1") = "6"
    & skf21("7","6","3","5","6","7","6","1") = "6"
    & skf21("7","6","3","5","6","7","7","1") = "6"
    & skf21("7","6","3","5","7","1","1","1") = "6"
    & skf21("7","6","3","5","7","1","2","1") = "6"
    & skf21("7","6","3","5","7","1","3","1") = "6"
    & skf21("7","6","3","5","7","1","4","1") = "6"
    & skf21("7","6","3","5","7","1","5","1") = "6"
    & skf21("7","6","3","5","7","1","6","1") = "6"
    & skf21("7","6","3","5","7","1","7","1") = "6"
    & skf21("7","6","3","5","7","2","1","1") = "6"
    & skf21("7","6","3","5","7","2","2","1") = "6"
    & skf21("7","6","3","5","7","2","3","1") = "6"
    & skf21("7","6","3","5","7","2","4","1") = "6"
    & skf21("7","6","3","5","7","2","5","1") = "6"
    & skf21("7","6","3","5","7","2","6","1") = "6"
    & skf21("7","6","3","5","7","2","7","1") = "6"
    & skf21("7","6","3","5","7","3","1","1") = "6"
    & skf21("7","6","3","5","7","3","2","1") = "6"
    & skf21("7","6","3","5","7","3","3","1") = "6"
    & skf21("7","6","3","5","7","3","4","1") = "6"
    & skf21("7","6","3","5","7","3","5","1") = "6"
    & skf21("7","6","3","5","7","3","6","1") = "6"
    & skf21("7","6","3","5","7","3","7","1") = "6"
    & skf21("7","6","3","5","7","4","1","1") = "6"
    & skf21("7","6","3","5","7","4","2","1") = "6"
    & skf21("7","6","3","5","7","4","3","1") = "6"
    & skf21("7","6","3","5","7","4","4","1") = "6"
    & skf21("7","6","3","5","7","4","5","1") = "6"
    & skf21("7","6","3","5","7","4","6","1") = "6"
    & skf21("7","6","3","5","7","4","7","1") = "6"
    & skf21("7","6","3","5","7","5","1","1") = "6"
    & skf21("7","6","3","5","7","5","2","1") = "6"
    & skf21("7","6","3","5","7","5","3","1") = "6"
    & skf21("7","6","3","5","7","5","4","1") = "6"
    & skf21("7","6","3","5","7","5","5","1") = "6"
    & skf21("7","6","3","5","7","5","6","1") = "6"
    & skf21("7","6","3","5","7","5","7","1") = "6"
    & skf21("7","6","3","5","7","6","1","1") = "6"
    & skf21("7","6","3","5","7","6","2","1") = "6"
    & skf21("7","6","3","5","7","6","3","1") = "6"
    & skf21("7","6","3","5","7","6","4","1") = "6"
    & skf21("7","6","3","5","7","6","5","1") = "6"
    & skf21("7","6","3","5","7","6","6","1") = "6"
    & skf21("7","6","3","5","7","6","7","1") = "6"
    & skf21("7","6","3","5","7","7","1","1") = "6"
    & skf21("7","6","3","5","7","7","2","1") = "6"
    & skf21("7","6","3","5","7","7","3","1") = "6"
    & skf21("7","6","3","5","7","7","4","1") = "6"
    & skf21("7","6","3","5","7","7","5","1") = "6"
    & skf21("7","6","3","5","7","7","6","1") = "6"
    & skf21("7","6","3","5","7","7","7","1") = "6"
    & skf21("7","6","3","6","1","1","1","1") = "6"
    & skf21("7","6","3","6","1","1","2","1") = "6"
    & skf21("7","6","3","6","1","1","3","1") = "6"
    & skf21("7","6","3","6","1","1","4","1") = "6"
    & skf21("7","6","3","6","1","1","5","1") = "6"
    & skf21("7","6","3","6","1","1","6","1") = "6"
    & skf21("7","6","3","6","1","1","7","1") = "6"
    & skf21("7","6","3","6","1","2","1","1") = "6"
    & skf21("7","6","3","6","1","2","2","1") = "6"
    & skf21("7","6","3","6","1","2","3","1") = "6"
    & skf21("7","6","3","6","1","2","4","1") = "6"
    & skf21("7","6","3","6","1","2","5","1") = "6"
    & skf21("7","6","3","6","1","2","6","1") = "6"
    & skf21("7","6","3","6","1","2","7","1") = "6"
    & skf21("7","6","3","6","1","3","1","1") = "6"
    & skf21("7","6","3","6","1","3","2","1") = "6"
    & skf21("7","6","3","6","1","3","3","1") = "6"
    & skf21("7","6","3","6","1","3","4","1") = "6"
    & skf21("7","6","3","6","1","3","5","1") = "6"
    & skf21("7","6","3","6","1","3","6","1") = "6"
    & skf21("7","6","3","6","1","3","7","1") = "6"
    & skf21("7","6","3","6","1","4","1","1") = "6"
    & skf21("7","6","3","6","1","4","2","1") = "6"
    & skf21("7","6","3","6","1","4","3","1") = "6"
    & skf21("7","6","3","6","1","4","4","1") = "6"
    & skf21("7","6","3","6","1","4","5","1") = "6"
    & skf21("7","6","3","6","1","4","6","1") = "6"
    & skf21("7","6","3","6","1","4","7","1") = "6"
    & skf21("7","6","3","6","1","5","1","1") = "6"
    & skf21("7","6","3","6","1","5","2","1") = "6"
    & skf21("7","6","3","6","1","5","3","1") = "6"
    & skf21("7","6","3","6","1","5","4","1") = "6"
    & skf21("7","6","3","6","1","5","5","1") = "6"
    & skf21("7","6","3","6","1","5","6","1") = "6"
    & skf21("7","6","3","6","1","5","7","1") = "6"
    & skf21("7","6","3","6","1","6","1","1") = "6"
    & skf21("7","6","3","6","1","6","2","1") = "6"
    & skf21("7","6","3","6","1","6","3","1") = "6"
    & skf21("7","6","3","6","1","6","4","1") = "6"
    & skf21("7","6","3","6","1","6","5","1") = "6"
    & skf21("7","6","3","6","1","6","6","1") = "6"
    & skf21("7","6","3","6","1","6","7","1") = "6"
    & skf21("7","6","3","6","1","7","1","1") = "6"
    & skf21("7","6","3","6","1","7","2","1") = "6"
    & skf21("7","6","3","6","1","7","3","1") = "6"
    & skf21("7","6","3","6","1","7","4","1") = "6"
    & skf21("7","6","3","6","1","7","5","1") = "6"
    & skf21("7","6","3","6","1","7","6","1") = "6"
    & skf21("7","6","3","6","1","7","7","1") = "6"
    & skf21("7","6","3","6","2","1","1","1") = "6"
    & skf21("7","6","3","6","2","1","2","1") = "6"
    & skf21("7","6","3","6","2","1","3","1") = "6"
    & skf21("7","6","3","6","2","1","4","1") = "6"
    & skf21("7","6","3","6","2","1","5","1") = "6"
    & skf21("7","6","3","6","2","1","6","1") = "6"
    & skf21("7","6","3","6","2","1","7","1") = "6"
    & skf21("7","6","3","6","2","2","1","1") = "6"
    & skf21("7","6","3","6","2","2","2","1") = "6"
    & skf21("7","6","3","6","2","2","3","1") = "6"
    & skf21("7","6","3","6","2","2","4","1") = "6"
    & skf21("7","6","3","6","2","2","5","1") = "6"
    & skf21("7","6","3","6","2","2","6","1") = "6"
    & skf21("7","6","3","6","2","2","7","1") = "6"
    & skf21("7","6","3","6","2","3","1","1") = "6"
    & skf21("7","6","3","6","2","3","2","1") = "6"
    & skf21("7","6","3","6","2","3","3","1") = "6"
    & skf21("7","6","3","6","2","3","4","1") = "6"
    & skf21("7","6","3","6","2","3","5","1") = "6"
    & skf21("7","6","3","6","2","3","6","1") = "6"
    & skf21("7","6","3","6","2","3","7","1") = "6"
    & skf21("7","6","3","6","2","4","1","1") = "6"
    & skf21("7","6","3","6","2","4","2","1") = "6"
    & skf21("7","6","3","6","2","4","3","1") = "6"
    & skf21("7","6","3","6","2","4","4","1") = "6"
    & skf21("7","6","3","6","2","4","5","1") = "6"
    & skf21("7","6","3","6","2","4","6","1") = "6"
    & skf21("7","6","3","6","2","4","7","1") = "6"
    & skf21("7","6","3","6","2","5","1","1") = "6"
    & skf21("7","6","3","6","2","5","2","1") = "6"
    & skf21("7","6","3","6","2","5","3","1") = "6"
    & skf21("7","6","3","6","2","5","4","1") = "6"
    & skf21("7","6","3","6","2","5","5","1") = "6"
    & skf21("7","6","3","6","2","5","6","1") = "6"
    & skf21("7","6","3","6","2","5","7","1") = "6"
    & skf21("7","6","3","6","2","6","1","1") = "6"
    & skf21("7","6","3","6","2","6","2","1") = "6"
    & skf21("7","6","3","6","2","6","3","1") = "6"
    & skf21("7","6","3","6","2","6","4","1") = "6"
    & skf21("7","6","3","6","2","6","5","1") = "6"
    & skf21("7","6","3","6","2","6","6","1") = "6"
    & skf21("7","6","3","6","2","6","7","1") = "6"
    & skf21("7","6","3","6","2","7","1","1") = "6"
    & skf21("7","6","3","6","2","7","2","1") = "6"
    & skf21("7","6","3","6","2","7","3","1") = "6"
    & skf21("7","6","3","6","2","7","4","1") = "6"
    & skf21("7","6","3","6","2","7","5","1") = "6"
    & skf21("7","6","3","6","2","7","6","1") = "6"
    & skf21("7","6","3","6","2","7","7","1") = "6"
    & skf21("7","6","3","6","3","1","1","1") = "6"
    & skf21("7","6","3","6","3","1","2","1") = "6"
    & skf21("7","6","3","6","3","1","3","1") = "6"
    & skf21("7","6","3","6","3","1","4","1") = "6"
    & skf21("7","6","3","6","3","1","5","1") = "6"
    & skf21("7","6","3","6","3","1","6","1") = "6"
    & skf21("7","6","3","6","3","1","7","1") = "6"
    & skf21("7","6","3","6","3","2","1","1") = "6"
    & skf21("7","6","3","6","3","2","2","1") = "6"
    & skf21("7","6","3","6","3","2","3","1") = "6"
    & skf21("7","6","3","6","3","2","4","1") = "6"
    & skf21("7","6","3","6","3","2","5","1") = "6"
    & skf21("7","6","3","6","3","2","6","1") = "6"
    & skf21("7","6","3","6","3","2","7","1") = "6"
    & skf21("7","6","3","6","3","3","1","1") = "6"
    & skf21("7","6","3","6","3","3","2","1") = "6"
    & skf21("7","6","3","6","3","3","3","1") = "6"
    & skf21("7","6","3","6","3","3","4","1") = "6"
    & skf21("7","6","3","6","3","3","5","1") = "6"
    & skf21("7","6","3","6","3","3","6","1") = "6"
    & skf21("7","6","3","6","3","3","7","1") = "6"
    & skf21("7","6","3","6","3","4","1","1") = "6"
    & skf21("7","6","3","6","3","4","2","1") = "6"
    & skf21("7","6","3","6","3","4","3","1") = "6"
    & skf21("7","6","3","6","3","4","4","1") = "6"
    & skf21("7","6","3","6","3","4","5","1") = "6"
    & skf21("7","6","3","6","3","4","6","1") = "6"
    & skf21("7","6","3","6","3","4","7","1") = "6"
    & skf21("7","6","3","6","3","5","1","1") = "6"
    & skf21("7","6","3","6","3","5","2","1") = "6"
    & skf21("7","6","3","6","3","5","3","1") = "6"
    & skf21("7","6","3","6","3","5","4","1") = "6"
    & skf21("7","6","3","6","3","5","5","1") = "6"
    & skf21("7","6","3","6","3","5","6","1") = "6"
    & skf21("7","6","3","6","3","5","7","1") = "6"
    & skf21("7","6","3","6","3","6","1","1") = "6"
    & skf21("7","6","3","6","3","6","2","1") = "6"
    & skf21("7","6","3","6","3","6","3","1") = "6"
    & skf21("7","6","3","6","3","6","4","1") = "6"
    & skf21("7","6","3","6","3","6","5","1") = "6"
    & skf21("7","6","3","6","3","6","6","1") = "6"
    & skf21("7","6","3","6","3","6","7","1") = "6"
    & skf21("7","6","3","6","3","7","1","1") = "6"
    & skf21("7","6","3","6","3","7","2","1") = "6"
    & skf21("7","6","3","6","3","7","3","1") = "6"
    & skf21("7","6","3","6","3","7","4","1") = "6"
    & skf21("7","6","3","6","3","7","5","1") = "6"
    & skf21("7","6","3","6","3","7","6","1") = "6"
    & skf21("7","6","3","6","3","7","7","1") = "6"
    & skf21("7","6","3","6","4","1","1","1") = "6"
    & skf21("7","6","3","6","4","1","2","1") = "6"
    & skf21("7","6","3","6","4","1","3","1") = "6"
    & skf21("7","6","3","6","4","1","4","1") = "6"
    & skf21("7","6","3","6","4","1","5","1") = "6"
    & skf21("7","6","3","6","4","1","6","1") = "6"
    & skf21("7","6","3","6","4","1","7","1") = "6"
    & skf21("7","6","3","6","4","2","1","1") = "6"
    & skf21("7","6","3","6","4","2","2","1") = "6"
    & skf21("7","6","3","6","4","2","3","1") = "6"
    & skf21("7","6","3","6","4","2","4","1") = "6"
    & skf21("7","6","3","6","4","2","5","1") = "6"
    & skf21("7","6","3","6","4","2","6","1") = "6"
    & skf21("7","6","3","6","4","2","7","1") = "6"
    & skf21("7","6","3","6","4","3","1","1") = "6"
    & skf21("7","6","3","6","4","3","2","1") = "6"
    & skf21("7","6","3","6","4","3","3","1") = "6"
    & skf21("7","6","3","6","4","3","4","1") = "6"
    & skf21("7","6","3","6","4","3","5","1") = "6"
    & skf21("7","6","3","6","4","3","6","1") = "6"
    & skf21("7","6","3","6","4","3","7","1") = "6"
    & skf21("7","6","3","6","4","4","1","1") = "6"
    & skf21("7","6","3","6","4","4","2","1") = "6"
    & skf21("7","6","3","6","4","4","3","1") = "6"
    & skf21("7","6","3","6","4","4","4","1") = "6"
    & skf21("7","6","3","6","4","4","5","1") = "6"
    & skf21("7","6","3","6","4","4","6","1") = "6"
    & skf21("7","6","3","6","4","4","7","1") = "6"
    & skf21("7","6","3","6","4","5","1","1") = "6"
    & skf21("7","6","3","6","4","5","2","1") = "6"
    & skf21("7","6","3","6","4","5","3","1") = "6"
    & skf21("7","6","3","6","4","5","4","1") = "6"
    & skf21("7","6","3","6","4","5","5","1") = "6"
    & skf21("7","6","3","6","4","5","6","1") = "6"
    & skf21("7","6","3","6","4","5","7","1") = "6"
    & skf21("7","6","3","6","4","6","1","1") = "6"
    & skf21("7","6","3","6","4","6","2","1") = "6"
    & skf21("7","6","3","6","4","6","3","1") = "6"
    & skf21("7","6","3","6","4","6","4","1") = "6"
    & skf21("7","6","3","6","4","6","5","1") = "6"
    & skf21("7","6","3","6","4","6","6","1") = "6"
    & skf21("7","6","3","6","4","6","7","1") = "6"
    & skf21("7","6","3","6","4","7","1","1") = "6"
    & skf21("7","6","3","6","4","7","2","1") = "6"
    & skf21("7","6","3","6","4","7","3","1") = "6"
    & skf21("7","6","3","6","4","7","4","1") = "6"
    & skf21("7","6","3","6","4","7","5","1") = "6"
    & skf21("7","6","3","6","4","7","6","1") = "6"
    & skf21("7","6","3","6","4","7","7","1") = "6"
    & skf21("7","6","3","6","5","1","1","1") = "6"
    & skf21("7","6","3","6","5","1","2","1") = "6"
    & skf21("7","6","3","6","5","1","3","1") = "6"
    & skf21("7","6","3","6","5","1","4","1") = "6"
    & skf21("7","6","3","6","5","1","5","1") = "6"
    & skf21("7","6","3","6","5","1","6","1") = "6"
    & skf21("7","6","3","6","5","1","7","1") = "6"
    & skf21("7","6","3","6","5","2","1","1") = "6"
    & skf21("7","6","3","6","5","2","2","1") = "6"
    & skf21("7","6","3","6","5","2","3","1") = "6"
    & skf21("7","6","3","6","5","2","4","1") = "6"
    & skf21("7","6","3","6","5","2","5","1") = "6"
    & skf21("7","6","3","6","5","2","6","1") = "6"
    & skf21("7","6","3","6","5","2","7","1") = "6"
    & skf21("7","6","3","6","5","3","1","1") = "6"
    & skf21("7","6","3","6","5","3","2","1") = "6"
    & skf21("7","6","3","6","5","3","3","1") = "6"
    & skf21("7","6","3","6","5","3","4","1") = "6"
    & skf21("7","6","3","6","5","3","5","1") = "6"
    & skf21("7","6","3","6","5","3","6","1") = "6"
    & skf21("7","6","3","6","5","3","7","1") = "6"
    & skf21("7","6","3","6","5","4","1","1") = "6"
    & skf21("7","6","3","6","5","4","2","1") = "6"
    & skf21("7","6","3","6","5","4","3","1") = "6"
    & skf21("7","6","3","6","5","4","4","1") = "6"
    & skf21("7","6","3","6","5","4","5","1") = "6"
    & skf21("7","6","3","6","5","4","6","1") = "6"
    & skf21("7","6","3","6","5","4","7","1") = "6"
    & skf21("7","6","3","6","5","5","1","1") = "6"
    & skf21("7","6","3","6","5","5","2","1") = "6"
    & skf21("7","6","3","6","5","5","3","1") = "6"
    & skf21("7","6","3","6","5","5","4","1") = "6"
    & skf21("7","6","3","6","5","5","5","1") = "6"
    & skf21("7","6","3","6","5","5","6","1") = "6"
    & skf21("7","6","3","6","5","5","7","1") = "6"
    & skf21("7","6","3","6","5","6","1","1") = "6"
    & skf21("7","6","3","6","5","6","2","1") = "6"
    & skf21("7","6","3","6","5","6","3","1") = "6"
    & skf21("7","6","3","6","5","6","4","1") = "6"
    & skf21("7","6","3","6","5","6","5","1") = "6"
    & skf21("7","6","3","6","5","6","6","1") = "6"
    & skf21("7","6","3","6","5","6","7","1") = "6"
    & skf21("7","6","3","6","5","7","1","1") = "6"
    & skf21("7","6","3","6","5","7","2","1") = "6"
    & skf21("7","6","3","6","5","7","3","1") = "6"
    & skf21("7","6","3","6","5","7","4","1") = "6"
    & skf21("7","6","3","6","5","7","5","1") = "6"
    & skf21("7","6","3","6","5","7","6","1") = "6"
    & skf21("7","6","3","6","5","7","7","1") = "6"
    & skf21("7","6","3","6","6","1","1","1") = "6"
    & skf21("7","6","3","6","6","1","2","1") = "6"
    & skf21("7","6","3","6","6","1","3","1") = "6"
    & skf21("7","6","3","6","6","1","4","1") = "6"
    & skf21("7","6","3","6","6","1","5","1") = "6"
    & skf21("7","6","3","6","6","1","6","1") = "6"
    & skf21("7","6","3","6","6","1","7","1") = "6"
    & skf21("7","6","3","6","6","2","1","1") = "6"
    & skf21("7","6","3","6","6","2","2","1") = "6"
    & skf21("7","6","3","6","6","2","3","1") = "6"
    & skf21("7","6","3","6","6","2","4","1") = "6"
    & skf21("7","6","3","6","6","2","5","1") = "6"
    & skf21("7","6","3","6","6","2","6","1") = "6"
    & skf21("7","6","3","6","6","2","7","1") = "6"
    & skf21("7","6","3","6","6","3","1","1") = "6"
    & skf21("7","6","3","6","6","3","2","1") = "6"
    & skf21("7","6","3","6","6","3","3","1") = "6"
    & skf21("7","6","3","6","6","3","4","1") = "6"
    & skf21("7","6","3","6","6","3","5","1") = "6"
    & skf21("7","6","3","6","6","3","6","1") = "6"
    & skf21("7","6","3","6","6","3","7","1") = "6"
    & skf21("7","6","3","6","6","4","1","1") = "6"
    & skf21("7","6","3","6","6","4","2","1") = "6"
    & skf21("7","6","3","6","6","4","3","1") = "6"
    & skf21("7","6","3","6","6","4","4","1") = "6"
    & skf21("7","6","3","6","6","4","5","1") = "6"
    & skf21("7","6","3","6","6","4","6","1") = "6"
    & skf21("7","6","3","6","6","4","7","1") = "6"
    & skf21("7","6","3","6","6","5","1","1") = "6"
    & skf21("7","6","3","6","6","5","2","1") = "6"
    & skf21("7","6","3","6","6","5","3","1") = "6"
    & skf21("7","6","3","6","6","5","4","1") = "6"
    & skf21("7","6","3","6","6","5","5","1") = "6"
    & skf21("7","6","3","6","6","5","6","1") = "6"
    & skf21("7","6","3","6","6","5","7","1") = "6"
    & skf21("7","6","3","6","6","6","1","1") = "6"
    & skf21("7","6","3","6","6","6","2","1") = "6"
    & skf21("7","6","3","6","6","6","3","1") = "6"
    & skf21("7","6","3","6","6","6","4","1") = "6"
    & skf21("7","6","3","6","6","6","5","1") = "6"
    & skf21("7","6","3","6","6","6","6","1") = "6"
    & skf21("7","6","3","6","6","6","7","1") = "6"
    & skf21("7","6","3","6","6","7","1","1") = "6"
    & skf21("7","6","3","6","6","7","2","1") = "6"
    & skf21("7","6","3","6","6","7","3","1") = "6"
    & skf21("7","6","3","6","6","7","4","1") = "6"
    & skf21("7","6","3","6","6","7","5","1") = "6"
    & skf21("7","6","3","6","6","7","6","1") = "6"
    & skf21("7","6","3","6","6","7","7","1") = "6"
    & skf21("7","6","3","6","7","1","1","1") = "6"
    & skf21("7","6","3","6","7","1","2","1") = "6"
    & skf21("7","6","3","6","7","1","3","1") = "6"
    & skf21("7","6","3","6","7","1","4","1") = "6"
    & skf21("7","6","3","6","7","1","5","1") = "6"
    & skf21("7","6","3","6","7","1","6","1") = "6"
    & skf21("7","6","3","6","7","1","7","1") = "6"
    & skf21("7","6","3","6","7","2","1","1") = "6"
    & skf21("7","6","3","6","7","2","2","1") = "6"
    & skf21("7","6","3","6","7","2","3","1") = "6"
    & skf21("7","6","3","6","7","2","4","1") = "6"
    & skf21("7","6","3","6","7","2","5","1") = "6"
    & skf21("7","6","3","6","7","2","6","1") = "6"
    & skf21("7","6","3","6","7","2","7","1") = "6"
    & skf21("7","6","3","6","7","3","1","1") = "6"
    & skf21("7","6","3","6","7","3","2","1") = "6"
    & skf21("7","6","3","6","7","3","3","1") = "6"
    & skf21("7","6","3","6","7","3","4","1") = "6"
    & skf21("7","6","3","6","7","3","5","1") = "6"
    & skf21("7","6","3","6","7","3","6","1") = "6"
    & skf21("7","6","3","6","7","3","7","1") = "6"
    & skf21("7","6","3","6","7","4","1","1") = "6"
    & skf21("7","6","3","6","7","4","2","1") = "6"
    & skf21("7","6","3","6","7","4","3","1") = "6"
    & skf21("7","6","3","6","7","4","4","1") = "6"
    & skf21("7","6","3","6","7","4","5","1") = "6"
    & skf21("7","6","3","6","7","4","6","1") = "6"
    & skf21("7","6","3","6","7","4","7","1") = "6"
    & skf21("7","6","3","6","7","5","1","1") = "6"
    & skf21("7","6","3","6","7","5","2","1") = "6"
    & skf21("7","6","3","6","7","5","3","1") = "6"
    & skf21("7","6","3","6","7","5","4","1") = "6"
    & skf21("7","6","3","6","7","5","5","1") = "6"
    & skf21("7","6","3","6","7","5","6","1") = "6"
    & skf21("7","6","3","6","7","5","7","1") = "6"
    & skf21("7","6","3","6","7","6","1","1") = "6"
    & skf21("7","6","3","6","7","6","2","1") = "6"
    & skf21("7","6","3","6","7","6","3","1") = "6"
    & skf21("7","6","3","6","7","6","4","1") = "6"
    & skf21("7","6","3","6","7","6","5","1") = "6"
    & skf21("7","6","3","6","7","6","6","1") = "6"
    & skf21("7","6","3","6","7","6","7","1") = "6"
    & skf21("7","6","3","6","7","7","1","1") = "6"
    & skf21("7","6","3","6","7","7","2","1") = "6"
    & skf21("7","6","3","6","7","7","3","1") = "6"
    & skf21("7","6","3","6","7","7","4","1") = "6"
    & skf21("7","6","3","6","7","7","5","1") = "6"
    & skf21("7","6","3","6","7","7","6","1") = "6"
    & skf21("7","6","3","6","7","7","7","1") = "6"
    & skf21("7","6","3","7","1","1","1","1") = "6"
    & skf21("7","6","3","7","1","1","2","1") = "6"
    & skf21("7","6","3","7","1","1","3","1") = "6"
    & skf21("7","6","3","7","1","1","4","1") = "6"
    & skf21("7","6","3","7","1","1","5","1") = "6"
    & skf21("7","6","3","7","1","1","6","1") = "6"
    & skf21("7","6","3","7","1","1","7","1") = "6"
    & skf21("7","6","3","7","1","2","1","1") = "6"
    & skf21("7","6","3","7","1","2","2","1") = "6"
    & skf21("7","6","3","7","1","2","3","1") = "6"
    & skf21("7","6","3","7","1","2","4","1") = "6"
    & skf21("7","6","3","7","1","2","5","1") = "6"
    & skf21("7","6","3","7","1","2","6","1") = "6"
    & skf21("7","6","3","7","1","2","7","1") = "6"
    & skf21("7","6","3","7","1","3","1","1") = "6"
    & skf21("7","6","3","7","1","3","2","1") = "6"
    & skf21("7","6","3","7","1","3","3","1") = "6"
    & skf21("7","6","3","7","1","3","4","1") = "6"
    & skf21("7","6","3","7","1","3","5","1") = "6"
    & skf21("7","6","3","7","1","3","6","1") = "6"
    & skf21("7","6","3","7","1","3","7","1") = "6"
    & skf21("7","6","3","7","1","4","1","1") = "6"
    & skf21("7","6","3","7","1","4","2","1") = "6"
    & skf21("7","6","3","7","1","4","3","1") = "6"
    & skf21("7","6","3","7","1","4","4","1") = "6"
    & skf21("7","6","3","7","1","4","5","1") = "6"
    & skf21("7","6","3","7","1","4","6","1") = "6"
    & skf21("7","6","3","7","1","4","7","1") = "6"
    & skf21("7","6","3","7","1","5","1","1") = "6"
    & skf21("7","6","3","7","1","5","2","1") = "6"
    & skf21("7","6","3","7","1","5","3","1") = "6"
    & skf21("7","6","3","7","1","5","4","1") = "6"
    & skf21("7","6","3","7","1","5","5","1") = "6"
    & skf21("7","6","3","7","1","5","6","1") = "6"
    & skf21("7","6","3","7","1","5","7","1") = "6"
    & skf21("7","6","3","7","1","6","1","1") = "6"
    & skf21("7","6","3","7","1","6","2","1") = "6"
    & skf21("7","6","3","7","1","6","3","1") = "6"
    & skf21("7","6","3","7","1","6","4","1") = "6"
    & skf21("7","6","3","7","1","6","5","1") = "6"
    & skf21("7","6","3","7","1","6","6","1") = "6"
    & skf21("7","6","3","7","1","6","7","1") = "6"
    & skf21("7","6","3","7","1","7","1","1") = "6"
    & skf21("7","6","3","7","1","7","2","1") = "6"
    & skf21("7","6","3","7","1","7","3","1") = "6"
    & skf21("7","6","3","7","1","7","4","1") = "6"
    & skf21("7","6","3","7","1","7","5","1") = "6"
    & skf21("7","6","3","7","1","7","6","1") = "6"
    & skf21("7","6","3","7","1","7","7","1") = "6"
    & skf21("7","6","3","7","2","1","1","1") = "6"
    & skf21("7","6","3","7","2","1","2","1") = "6"
    & skf21("7","6","3","7","2","1","3","1") = "6"
    & skf21("7","6","3","7","2","1","4","1") = "6"
    & skf21("7","6","3","7","2","1","5","1") = "6"
    & skf21("7","6","3","7","2","1","6","1") = "6"
    & skf21("7","6","3","7","2","1","7","1") = "6"
    & skf21("7","6","3","7","2","2","1","1") = "6"
    & skf21("7","6","3","7","2","2","2","1") = "6"
    & skf21("7","6","3","7","2","2","3","1") = "6"
    & skf21("7","6","3","7","2","2","4","1") = "6"
    & skf21("7","6","3","7","2","2","5","1") = "6"
    & skf21("7","6","3","7","2","2","6","1") = "6"
    & skf21("7","6","3","7","2","2","7","1") = "6"
    & skf21("7","6","3","7","2","3","1","1") = "6"
    & skf21("7","6","3","7","2","3","2","1") = "6"
    & skf21("7","6","3","7","2","3","3","1") = "6"
    & skf21("7","6","3","7","2","3","4","1") = "6"
    & skf21("7","6","3","7","2","3","5","1") = "6"
    & skf21("7","6","3","7","2","3","6","1") = "6"
    & skf21("7","6","3","7","2","3","7","1") = "6"
    & skf21("7","6","3","7","2","4","1","1") = "6"
    & skf21("7","6","3","7","2","4","2","1") = "6"
    & skf21("7","6","3","7","2","4","3","1") = "6"
    & skf21("7","6","3","7","2","4","4","1") = "6"
    & skf21("7","6","3","7","2","4","5","1") = "6"
    & skf21("7","6","3","7","2","4","6","1") = "6"
    & skf21("7","6","3","7","2","4","7","1") = "6"
    & skf21("7","6","3","7","2","5","1","1") = "6"
    & skf21("7","6","3","7","2","5","2","1") = "6"
    & skf21("7","6","3","7","2","5","3","1") = "6"
    & skf21("7","6","3","7","2","5","4","1") = "6"
    & skf21("7","6","3","7","2","5","5","1") = "6"
    & skf21("7","6","3","7","2","5","6","1") = "6"
    & skf21("7","6","3","7","2","5","7","1") = "6"
    & skf21("7","6","3","7","2","6","1","1") = "6"
    & skf21("7","6","3","7","2","6","2","1") = "6"
    & skf21("7","6","3","7","2","6","3","1") = "6"
    & skf21("7","6","3","7","2","6","4","1") = "6"
    & skf21("7","6","3","7","2","6","5","1") = "6"
    & skf21("7","6","3","7","2","6","6","1") = "6"
    & skf21("7","6","3","7","2","6","7","1") = "6"
    & skf21("7","6","3","7","2","7","1","1") = "6"
    & skf21("7","6","3","7","2","7","2","1") = "6"
    & skf21("7","6","3","7","2","7","3","1") = "6"
    & skf21("7","6","3","7","2","7","4","1") = "6"
    & skf21("7","6","3","7","2","7","5","1") = "6"
    & skf21("7","6","3","7","2","7","6","1") = "6"
    & skf21("7","6","3","7","2","7","7","1") = "6"
    & skf21("7","6","3","7","3","1","1","1") = "6"
    & skf21("7","6","3","7","3","1","2","1") = "6"
    & skf21("7","6","3","7","3","1","3","1") = "6"
    & skf21("7","6","3","7","3","1","4","1") = "6"
    & skf21("7","6","3","7","3","1","5","1") = "6"
    & skf21("7","6","3","7","3","1","6","1") = "6"
    & skf21("7","6","3","7","3","1","7","1") = "6"
    & skf21("7","6","3","7","3","2","1","1") = "6"
    & skf21("7","6","3","7","3","2","2","1") = "6"
    & skf21("7","6","3","7","3","2","3","1") = "6"
    & skf21("7","6","3","7","3","2","4","1") = "6"
    & skf21("7","6","3","7","3","2","5","1") = "6"
    & skf21("7","6","3","7","3","2","6","1") = "6"
    & skf21("7","6","3","7","3","2","7","1") = "6"
    & skf21("7","6","3","7","3","3","1","1") = "6"
    & skf21("7","6","3","7","3","3","2","1") = "6"
    & skf21("7","6","3","7","3","3","3","1") = "6"
    & skf21("7","6","3","7","3","3","4","1") = "6"
    & skf21("7","6","3","7","3","3","5","1") = "6"
    & skf21("7","6","3","7","3","3","6","1") = "6"
    & skf21("7","6","3","7","3","3","7","1") = "6"
    & skf21("7","6","3","7","3","4","1","1") = "6"
    & skf21("7","6","3","7","3","4","2","1") = "6"
    & skf21("7","6","3","7","3","4","3","1") = "6"
    & skf21("7","6","3","7","3","4","4","1") = "6"
    & skf21("7","6","3","7","3","4","5","1") = "6"
    & skf21("7","6","3","7","3","4","6","1") = "6"
    & skf21("7","6","3","7","3","4","7","1") = "6"
    & skf21("7","6","3","7","3","5","1","1") = "6"
    & skf21("7","6","3","7","3","5","2","1") = "6"
    & skf21("7","6","3","7","3","5","3","1") = "6"
    & skf21("7","6","3","7","3","5","4","1") = "6"
    & skf21("7","6","3","7","3","5","5","1") = "6"
    & skf21("7","6","3","7","3","5","6","1") = "6"
    & skf21("7","6","3","7","3","5","7","1") = "6"
    & skf21("7","6","3","7","3","6","1","1") = "6"
    & skf21("7","6","3","7","3","6","2","1") = "6"
    & skf21("7","6","3","7","3","6","3","1") = "6"
    & skf21("7","6","3","7","3","6","4","1") = "6"
    & skf21("7","6","3","7","3","6","5","1") = "6"
    & skf21("7","6","3","7","3","6","6","1") = "6"
    & skf21("7","6","3","7","3","6","7","1") = "6"
    & skf21("7","6","3","7","3","7","1","1") = "6"
    & skf21("7","6","3","7","3","7","2","1") = "6"
    & skf21("7","6","3","7","3","7","3","1") = "6"
    & skf21("7","6","3","7","3","7","4","1") = "6"
    & skf21("7","6","3","7","3","7","5","1") = "6"
    & skf21("7","6","3","7","3","7","6","1") = "6"
    & skf21("7","6","3","7","3","7","7","1") = "6"
    & skf21("7","6","3","7","4","1","1","1") = "6"
    & skf21("7","6","3","7","4","1","2","1") = "6"
    & skf21("7","6","3","7","4","1","3","1") = "6"
    & skf21("7","6","3","7","4","1","4","1") = "6"
    & skf21("7","6","3","7","4","1","5","1") = "6"
    & skf21("7","6","3","7","4","1","6","1") = "6"
    & skf21("7","6","3","7","4","1","7","1") = "6"
    & skf21("7","6","3","7","4","2","1","1") = "6"
    & skf21("7","6","3","7","4","2","2","1") = "6"
    & skf21("7","6","3","7","4","2","3","1") = "6"
    & skf21("7","6","3","7","4","2","4","1") = "6"
    & skf21("7","6","3","7","4","2","5","1") = "6"
    & skf21("7","6","3","7","4","2","6","1") = "6"
    & skf21("7","6","3","7","4","2","7","1") = "6"
    & skf21("7","6","3","7","4","3","1","1") = "6"
    & skf21("7","6","3","7","4","3","2","1") = "6"
    & skf21("7","6","3","7","4","3","3","1") = "6"
    & skf21("7","6","3","7","4","3","4","1") = "6"
    & skf21("7","6","3","7","4","3","5","1") = "6"
    & skf21("7","6","3","7","4","3","6","1") = "6"
    & skf21("7","6","3","7","4","3","7","1") = "6"
    & skf21("7","6","3","7","4","4","1","1") = "6"
    & skf21("7","6","3","7","4","4","2","1") = "6"
    & skf21("7","6","3","7","4","4","3","1") = "6"
    & skf21("7","6","3","7","4","4","4","1") = "6"
    & skf21("7","6","3","7","4","4","5","1") = "6"
    & skf21("7","6","3","7","4","4","6","1") = "6"
    & skf21("7","6","3","7","4","4","7","1") = "6"
    & skf21("7","6","3","7","4","5","1","1") = "6"
    & skf21("7","6","3","7","4","5","2","1") = "6"
    & skf21("7","6","3","7","4","5","3","1") = "6"
    & skf21("7","6","3","7","4","5","4","1") = "6"
    & skf21("7","6","3","7","4","5","5","1") = "6"
    & skf21("7","6","3","7","4","5","6","1") = "6"
    & skf21("7","6","3","7","4","5","7","1") = "6"
    & skf21("7","6","3","7","4","6","1","1") = "6"
    & skf21("7","6","3","7","4","6","2","1") = "6"
    & skf21("7","6","3","7","4","6","3","1") = "6"
    & skf21("7","6","3","7","4","6","4","1") = "6"
    & skf21("7","6","3","7","4","6","5","1") = "6"
    & skf21("7","6","3","7","4","6","6","1") = "6"
    & skf21("7","6","3","7","4","6","7","1") = "6"
    & skf21("7","6","3","7","4","7","1","1") = "6"
    & skf21("7","6","3","7","4","7","2","1") = "6"
    & skf21("7","6","3","7","4","7","3","1") = "6"
    & skf21("7","6","3","7","4","7","4","1") = "6"
    & skf21("7","6","3","7","4","7","5","1") = "6"
    & skf21("7","6","3","7","4","7","6","1") = "6"
    & skf21("7","6","3","7","4","7","7","1") = "6"
    & skf21("7","6","3","7","5","1","1","1") = "6"
    & skf21("7","6","3","7","5","1","2","1") = "6"
    & skf21("7","6","3","7","5","1","3","1") = "6"
    & skf21("7","6","3","7","5","1","4","1") = "6"
    & skf21("7","6","3","7","5","1","5","1") = "6"
    & skf21("7","6","3","7","5","1","6","1") = "6"
    & skf21("7","6","3","7","5","1","7","1") = "6"
    & skf21("7","6","3","7","5","2","1","1") = "6"
    & skf21("7","6","3","7","5","2","2","1") = "6"
    & skf21("7","6","3","7","5","2","3","1") = "6"
    & skf21("7","6","3","7","5","2","4","1") = "6"
    & skf21("7","6","3","7","5","2","5","1") = "6"
    & skf21("7","6","3","7","5","2","6","1") = "6"
    & skf21("7","6","3","7","5","2","7","1") = "6"
    & skf21("7","6","3","7","5","3","1","1") = "6"
    & skf21("7","6","3","7","5","3","2","1") = "6"
    & skf21("7","6","3","7","5","3","3","1") = "6"
    & skf21("7","6","3","7","5","3","4","1") = "6"
    & skf21("7","6","3","7","5","3","5","1") = "6"
    & skf21("7","6","3","7","5","3","6","1") = "6"
    & skf21("7","6","3","7","5","3","7","1") = "6"
    & skf21("7","6","3","7","5","4","1","1") = "6"
    & skf21("7","6","3","7","5","4","2","1") = "6"
    & skf21("7","6","3","7","5","4","3","1") = "6"
    & skf21("7","6","3","7","5","4","4","1") = "6"
    & skf21("7","6","3","7","5","4","5","1") = "6"
    & skf21("7","6","3","7","5","4","6","1") = "6"
    & skf21("7","6","3","7","5","4","7","1") = "6"
    & skf21("7","6","3","7","5","5","1","1") = "6"
    & skf21("7","6","3","7","5","5","2","1") = "6"
    & skf21("7","6","3","7","5","5","3","1") = "6"
    & skf21("7","6","3","7","5","5","4","1") = "6"
    & skf21("7","6","3","7","5","5","5","1") = "6"
    & skf21("7","6","3","7","5","5","6","1") = "6"
    & skf21("7","6","3","7","5","5","7","1") = "6"
    & skf21("7","6","3","7","5","6","1","1") = "6"
    & skf21("7","6","3","7","5","6","2","1") = "6"
    & skf21("7","6","3","7","5","6","3","1") = "6"
    & skf21("7","6","3","7","5","6","4","1") = "6"
    & skf21("7","6","3","7","5","6","5","1") = "6"
    & skf21("7","6","3","7","5","6","6","1") = "6"
    & skf21("7","6","3","7","5","6","7","1") = "6"
    & skf21("7","6","3","7","5","7","1","1") = "6"
    & skf21("7","6","3","7","5","7","2","1") = "6"
    & skf21("7","6","3","7","5","7","3","1") = "6"
    & skf21("7","6","3","7","5","7","4","1") = "6"
    & skf21("7","6","3","7","5","7","5","1") = "6"
    & skf21("7","6","3","7","5","7","6","1") = "6"
    & skf21("7","6","3","7","5","7","7","1") = "6"
    & skf21("7","6","3","7","6","1","1","1") = "6"
    & skf21("7","6","3","7","6","1","2","1") = "6"
    & skf21("7","6","3","7","6","1","3","1") = "6"
    & skf21("7","6","3","7","6","1","4","1") = "6"
    & skf21("7","6","3","7","6","1","5","1") = "6"
    & skf21("7","6","3","7","6","1","6","1") = "6"
    & skf21("7","6","3","7","6","1","7","1") = "6"
    & skf21("7","6","3","7","6","2","1","1") = "6"
    & skf21("7","6","3","7","6","2","2","1") = "6"
    & skf21("7","6","3","7","6","2","3","1") = "6"
    & skf21("7","6","3","7","6","2","4","1") = "6"
    & skf21("7","6","3","7","6","2","5","1") = "6"
    & skf21("7","6","3","7","6","2","6","1") = "6"
    & skf21("7","6","3","7","6","2","7","1") = "6"
    & skf21("7","6","3","7","6","3","1","1") = "6"
    & skf21("7","6","3","7","6","3","2","1") = "6"
    & skf21("7","6","3","7","6","3","3","1") = "6"
    & skf21("7","6","3","7","6","3","4","1") = "6"
    & skf21("7","6","3","7","6","3","5","1") = "6"
    & skf21("7","6","3","7","6","3","6","1") = "6"
    & skf21("7","6","3","7","6","3","7","1") = "6"
    & skf21("7","6","3","7","6","4","1","1") = "6"
    & skf21("7","6","3","7","6","4","2","1") = "6"
    & skf21("7","6","3","7","6","4","3","1") = "6"
    & skf21("7","6","3","7","6","4","4","1") = "6"
    & skf21("7","6","3","7","6","4","5","1") = "6"
    & skf21("7","6","3","7","6","4","6","1") = "6"
    & skf21("7","6","3","7","6","4","7","1") = "6"
    & skf21("7","6","3","7","6","5","1","1") = "6"
    & skf21("7","6","3","7","6","5","2","1") = "6"
    & skf21("7","6","3","7","6","5","3","1") = "6"
    & skf21("7","6","3","7","6","5","4","1") = "6"
    & skf21("7","6","3","7","6","5","5","1") = "6"
    & skf21("7","6","3","7","6","5","6","1") = "6"
    & skf21("7","6","3","7","6","5","7","1") = "6"
    & skf21("7","6","3","7","6","6","1","1") = "6"
    & skf21("7","6","3","7","6","6","2","1") = "6"
    & skf21("7","6","3","7","6","6","3","1") = "6"
    & skf21("7","6","3","7","6","6","4","1") = "6"
    & skf21("7","6","3","7","6","6","5","1") = "6"
    & skf21("7","6","3","7","6","6","6","1") = "6"
    & skf21("7","6","3","7","6","6","7","1") = "6"
    & skf21("7","6","3","7","6","7","1","1") = "6"
    & skf21("7","6","3","7","6","7","2","1") = "6"
    & skf21("7","6","3","7","6","7","3","1") = "6"
    & skf21("7","6","3","7","6","7","4","1") = "6"
    & skf21("7","6","3","7","6","7","5","1") = "6"
    & skf21("7","6","3","7","6","7","6","1") = "6"
    & skf21("7","6","3","7","6","7","7","1") = "6"
    & skf21("7","6","3","7","7","1","1","1") = "6"
    & skf21("7","6","3","7","7","1","2","1") = "6"
    & skf21("7","6","3","7","7","1","3","1") = "6"
    & skf21("7","6","3","7","7","1","4","1") = "6"
    & skf21("7","6","3","7","7","1","5","1") = "6"
    & skf21("7","6","3","7","7","1","6","1") = "6"
    & skf21("7","6","3","7","7","1","7","1") = "6"
    & skf21("7","6","3","7","7","2","1","1") = "6"
    & skf21("7","6","3","7","7","2","2","1") = "6"
    & skf21("7","6","3","7","7","2","3","1") = "6"
    & skf21("7","6","3","7","7","2","4","1") = "6"
    & skf21("7","6","3","7","7","2","5","1") = "6"
    & skf21("7","6","3","7","7","2","6","1") = "6"
    & skf21("7","6","3","7","7","2","7","1") = "6"
    & skf21("7","6","3","7","7","3","1","1") = "6"
    & skf21("7","6","3","7","7","3","2","1") = "6"
    & skf21("7","6","3","7","7","3","3","1") = "6"
    & skf21("7","6","3","7","7","3","4","1") = "6"
    & skf21("7","6","3","7","7","3","5","1") = "6"
    & skf21("7","6","3","7","7","3","6","1") = "6"
    & skf21("7","6","3","7","7","3","7","1") = "6"
    & skf21("7","6","3","7","7","4","1","1") = "6"
    & skf21("7","6","3","7","7","4","2","1") = "6"
    & skf21("7","6","3","7","7","4","3","1") = "6"
    & skf21("7","6","3","7","7","4","4","1") = "6"
    & skf21("7","6","3","7","7","4","5","1") = "6"
    & skf21("7","6","3","7","7","4","6","1") = "6"
    & skf21("7","6","3","7","7","4","7","1") = "6"
    & skf21("7","6","3","7","7","5","1","1") = "6"
    & skf21("7","6","3","7","7","5","2","1") = "6"
    & skf21("7","6","3","7","7","5","3","1") = "6"
    & skf21("7","6","3","7","7","5","4","1") = "6"
    & skf21("7","6","3","7","7","5","5","1") = "6"
    & skf21("7","6","3","7","7","5","6","1") = "6"
    & skf21("7","6","3","7","7","5","7","1") = "6"
    & skf21("7","6","3","7","7","6","1","1") = "6"
    & skf21("7","6","3","7","7","6","2","1") = "6"
    & skf21("7","6","3","7","7","6","3","1") = "6"
    & skf21("7","6","3","7","7","6","4","1") = "6"
    & skf21("7","6","3","7","7","6","5","1") = "6"
    & skf21("7","6","3","7","7","6","6","1") = "6"
    & skf21("7","6","3","7","7","6","7","1") = "6"
    & skf21("7","6","3","7","7","7","1","1") = "6"
    & skf21("7","6","3","7","7","7","2","1") = "6"
    & skf21("7","6","3","7","7","7","3","1") = "6"
    & skf21("7","6","3","7","7","7","4","1") = "6"
    & skf21("7","6","3","7","7","7","5","1") = "6"
    & skf21("7","6","3","7","7","7","6","1") = "6"
    & skf21("7","6","3","7","7","7","7","1") = "6"
    & skf21("7","6","4","1","1","1","1","1") = "6"
    & skf21("7","6","4","1","1","1","2","1") = "6"
    & skf21("7","6","4","1","1","1","3","1") = "6"
    & skf21("7","6","4","1","1","1","4","1") = "6"
    & skf21("7","6","4","1","1","1","5","1") = "6"
    & skf21("7","6","4","1","1","1","6","1") = "6"
    & skf21("7","6","4","1","1","1","7","1") = "6"
    & skf21("7","6","4","1","1","2","1","1") = "6"
    & skf21("7","6","4","1","1","2","2","1") = "6"
    & skf21("7","6","4","1","1","2","3","1") = "6"
    & skf21("7","6","4","1","1","2","4","1") = "6"
    & skf21("7","6","4","1","1","2","5","1") = "6"
    & skf21("7","6","4","1","1","2","6","1") = "6"
    & skf21("7","6","4","1","1","2","7","1") = "6"
    & skf21("7","6","4","1","1","3","1","1") = "6"
    & skf21("7","6","4","1","1","3","2","1") = "6"
    & skf21("7","6","4","1","1","3","3","1") = "6"
    & skf21("7","6","4","1","1","3","4","1") = "6"
    & skf21("7","6","4","1","1","3","5","1") = "6"
    & skf21("7","6","4","1","1","3","6","1") = "6"
    & skf21("7","6","4","1","1","3","7","1") = "6"
    & skf21("7","6","4","1","1","4","1","1") = "6"
    & skf21("7","6","4","1","1","4","2","1") = "6"
    & skf21("7","6","4","1","1","4","3","1") = "6"
    & skf21("7","6","4","1","1","4","4","1") = "6"
    & skf21("7","6","4","1","1","4","5","1") = "6"
    & skf21("7","6","4","1","1","4","6","1") = "6"
    & skf21("7","6","4","1","1","4","7","1") = "6"
    & skf21("7","6","4","1","1","5","1","1") = "6"
    & skf21("7","6","4","1","1","5","2","1") = "6"
    & skf21("7","6","4","1","1","5","3","1") = "6"
    & skf21("7","6","4","1","1","5","4","1") = "6"
    & skf21("7","6","4","1","1","5","5","1") = "6"
    & skf21("7","6","4","1","1","5","6","1") = "6"
    & skf21("7","6","4","1","1","5","7","1") = "6"
    & skf21("7","6","4","1","1","6","1","1") = "6"
    & skf21("7","6","4","1","1","6","2","1") = "6"
    & skf21("7","6","4","1","1","6","3","1") = "6"
    & skf21("7","6","4","1","1","6","4","1") = "6"
    & skf21("7","6","4","1","1","6","5","1") = "6"
    & skf21("7","6","4","1","1","6","6","1") = "6"
    & skf21("7","6","4","1","1","6","7","1") = "6"
    & skf21("7","6","4","1","1","7","1","1") = "6"
    & skf21("7","6","4","1","1","7","2","1") = "6"
    & skf21("7","6","4","1","1","7","3","1") = "6"
    & skf21("7","6","4","1","1","7","4","1") = "6"
    & skf21("7","6","4","1","1","7","5","1") = "6"
    & skf21("7","6","4","1","1","7","6","1") = "6"
    & skf21("7","6","4","1","1","7","7","1") = "6"
    & skf21("7","6","4","1","2","1","1","1") = "6"
    & skf21("7","6","4","1","2","1","2","1") = "6"
    & skf21("7","6","4","1","2","1","3","1") = "6"
    & skf21("7","6","4","1","2","1","4","1") = "6"
    & skf21("7","6","4","1","2","1","5","1") = "6"
    & skf21("7","6","4","1","2","1","6","1") = "6"
    & skf21("7","6","4","1","2","1","7","1") = "6"
    & skf21("7","6","4","1","2","2","1","1") = "6"
    & skf21("7","6","4","1","2","2","2","1") = "6"
    & skf21("7","6","4","1","2","2","3","1") = "6"
    & skf21("7","6","4","1","2","2","4","1") = "6"
    & skf21("7","6","4","1","2","2","5","1") = "6"
    & skf21("7","6","4","1","2","2","6","1") = "6"
    & skf21("7","6","4","1","2","2","7","1") = "6"
    & skf21("7","6","4","1","2","3","1","1") = "6"
    & skf21("7","6","4","1","2","3","2","1") = "6"
    & skf21("7","6","4","1","2","3","3","1") = "6"
    & skf21("7","6","4","1","2","3","4","1") = "6"
    & skf21("7","6","4","1","2","3","5","1") = "6"
    & skf21("7","6","4","1","2","3","6","1") = "6"
    & skf21("7","6","4","1","2","3","7","1") = "6"
    & skf21("7","6","4","1","2","4","1","1") = "6"
    & skf21("7","6","4","1","2","4","2","1") = "6"
    & skf21("7","6","4","1","2","4","3","1") = "6"
    & skf21("7","6","4","1","2","4","4","1") = "6"
    & skf21("7","6","4","1","2","4","5","1") = "6"
    & skf21("7","6","4","1","2","4","6","1") = "6"
    & skf21("7","6","4","1","2","4","7","1") = "6"
    & skf21("7","6","4","1","2","5","1","1") = "6"
    & skf21("7","6","4","1","2","5","2","1") = "6"
    & skf21("7","6","4","1","2","5","3","1") = "6"
    & skf21("7","6","4","1","2","5","4","1") = "6"
    & skf21("7","6","4","1","2","5","5","1") = "6"
    & skf21("7","6","4","1","2","5","6","1") = "6"
    & skf21("7","6","4","1","2","5","7","1") = "6"
    & skf21("7","6","4","1","2","6","1","1") = "6"
    & skf21("7","6","4","1","2","6","2","1") = "6"
    & skf21("7","6","4","1","2","6","3","1") = "6"
    & skf21("7","6","4","1","2","6","4","1") = "6"
    & skf21("7","6","4","1","2","6","5","1") = "6"
    & skf21("7","6","4","1","2","6","6","1") = "6"
    & skf21("7","6","4","1","2","6","7","1") = "6"
    & skf21("7","6","4","1","2","7","1","1") = "6"
    & skf21("7","6","4","1","2","7","2","1") = "6"
    & skf21("7","6","4","1","2","7","3","1") = "6"
    & skf21("7","6","4","1","2","7","4","1") = "6"
    & skf21("7","6","4","1","2","7","5","1") = "6"
    & skf21("7","6","4","1","2","7","6","1") = "6"
    & skf21("7","6","4","1","2","7","7","1") = "6"
    & skf21("7","6","4","1","3","1","1","1") = "6"
    & skf21("7","6","4","1","3","1","2","1") = "6"
    & skf21("7","6","4","1","3","1","3","1") = "6"
    & skf21("7","6","4","1","3","1","4","1") = "6"
    & skf21("7","6","4","1","3","1","5","1") = "6"
    & skf21("7","6","4","1","3","1","6","1") = "6"
    & skf21("7","6","4","1","3","1","7","1") = "6"
    & skf21("7","6","4","1","3","2","1","1") = "6"
    & skf21("7","6","4","1","3","2","2","1") = "6"
    & skf21("7","6","4","1","3","2","3","1") = "6"
    & skf21("7","6","4","1","3","2","4","1") = "6"
    & skf21("7","6","4","1","3","2","5","1") = "6"
    & skf21("7","6","4","1","3","2","6","1") = "6"
    & skf21("7","6","4","1","3","2","7","1") = "6"
    & skf21("7","6","4","1","3","3","1","1") = "6"
    & skf21("7","6","4","1","3","3","2","1") = "6"
    & skf21("7","6","4","1","3","3","3","1") = "6"
    & skf21("7","6","4","1","3","3","4","1") = "6"
    & skf21("7","6","4","1","3","3","5","1") = "6"
    & skf21("7","6","4","1","3","3","6","1") = "6"
    & skf21("7","6","4","1","3","3","7","1") = "6"
    & skf21("7","6","4","1","3","4","1","1") = "6"
    & skf21("7","6","4","1","3","4","2","1") = "6"
    & skf21("7","6","4","1","3","4","3","1") = "6"
    & skf21("7","6","4","1","3","4","4","1") = "6"
    & skf21("7","6","4","1","3","4","5","1") = "6"
    & skf21("7","6","4","1","3","4","6","1") = "6"
    & skf21("7","6","4","1","3","4","7","1") = "6"
    & skf21("7","6","4","1","3","5","1","1") = "6"
    & skf21("7","6","4","1","3","5","2","1") = "6"
    & skf21("7","6","4","1","3","5","3","1") = "6"
    & skf21("7","6","4","1","3","5","4","1") = "6"
    & skf21("7","6","4","1","3","5","5","1") = "6"
    & skf21("7","6","4","1","3","5","6","1") = "6"
    & skf21("7","6","4","1","3","5","7","1") = "6"
    & skf21("7","6","4","1","3","6","1","1") = "6"
    & skf21("7","6","4","1","3","6","2","1") = "6"
    & skf21("7","6","4","1","3","6","3","1") = "6"
    & skf21("7","6","4","1","3","6","4","1") = "6"
    & skf21("7","6","4","1","3","6","5","1") = "6"
    & skf21("7","6","4","1","3","6","6","1") = "6"
    & skf21("7","6","4","1","3","6","7","1") = "6"
    & skf21("7","6","4","1","3","7","1","1") = "6"
    & skf21("7","6","4","1","3","7","2","1") = "6"
    & skf21("7","6","4","1","3","7","3","1") = "6"
    & skf21("7","6","4","1","3","7","4","1") = "6"
    & skf21("7","6","4","1","3","7","5","1") = "6"
    & skf21("7","6","4","1","3","7","6","1") = "6"
    & skf21("7","6","4","1","3","7","7","1") = "6"
    & skf21("7","6","4","1","4","1","1","1") = "6"
    & skf21("7","6","4","1","4","1","2","1") = "6"
    & skf21("7","6","4","1","4","1","3","1") = "6"
    & skf21("7","6","4","1","4","1","4","1") = "6"
    & skf21("7","6","4","1","4","1","5","1") = "6"
    & skf21("7","6","4","1","4","1","6","1") = "6"
    & skf21("7","6","4","1","4","1","7","1") = "6"
    & skf21("7","6","4","1","4","2","1","1") = "6"
    & skf21("7","6","4","1","4","2","2","1") = "6"
    & skf21("7","6","4","1","4","2","3","1") = "6"
    & skf21("7","6","4","1","4","2","4","1") = "6"
    & skf21("7","6","4","1","4","2","5","1") = "6"
    & skf21("7","6","4","1","4","2","6","1") = "6"
    & skf21("7","6","4","1","4","2","7","1") = "6"
    & skf21("7","6","4","1","4","3","1","1") = "6"
    & skf21("7","6","4","1","4","3","2","1") = "6"
    & skf21("7","6","4","1","4","3","3","1") = "6"
    & skf21("7","6","4","1","4","3","4","1") = "6"
    & skf21("7","6","4","1","4","3","5","1") = "6"
    & skf21("7","6","4","1","4","3","6","1") = "6"
    & skf21("7","6","4","1","4","3","7","1") = "6"
    & skf21("7","6","4","1","4","4","1","1") = "6"
    & skf21("7","6","4","1","4","4","2","1") = "6"
    & skf21("7","6","4","1","4","4","3","1") = "6"
    & skf21("7","6","4","1","4","4","4","1") = "6"
    & skf21("7","6","4","1","4","4","5","1") = "6"
    & skf21("7","6","4","1","4","4","6","1") = "6"
    & skf21("7","6","4","1","4","4","7","1") = "6"
    & skf21("7","6","4","1","4","5","1","1") = "6"
    & skf21("7","6","4","1","4","5","2","1") = "6"
    & skf21("7","6","4","1","4","5","3","1") = "6"
    & skf21("7","6","4","1","4","5","4","1") = "6"
    & skf21("7","6","4","1","4","5","5","1") = "6"
    & skf21("7","6","4","1","4","5","6","1") = "6"
    & skf21("7","6","4","1","4","5","7","1") = "6"
    & skf21("7","6","4","1","4","6","1","1") = "6"
    & skf21("7","6","4","1","4","6","2","1") = "6"
    & skf21("7","6","4","1","4","6","3","1") = "6"
    & skf21("7","6","4","1","4","6","4","1") = "6"
    & skf21("7","6","4","1","4","6","5","1") = "6"
    & skf21("7","6","4","1","4","6","6","1") = "6"
    & skf21("7","6","4","1","4","6","7","1") = "6"
    & skf21("7","6","4","1","4","7","1","1") = "6"
    & skf21("7","6","4","1","4","7","2","1") = "6"
    & skf21("7","6","4","1","4","7","3","1") = "6"
    & skf21("7","6","4","1","4","7","4","1") = "6"
    & skf21("7","6","4","1","4","7","5","1") = "6"
    & skf21("7","6","4","1","4","7","6","1") = "6"
    & skf21("7","6","4","1","4","7","7","1") = "6"
    & skf21("7","6","4","1","5","1","1","1") = "6"
    & skf21("7","6","4","1","5","1","2","1") = "6"
    & skf21("7","6","4","1","5","1","3","1") = "6"
    & skf21("7","6","4","1","5","1","4","1") = "6"
    & skf21("7","6","4","1","5","1","5","1") = "6"
    & skf21("7","6","4","1","5","1","6","1") = "6"
    & skf21("7","6","4","1","5","1","7","1") = "6"
    & skf21("7","6","4","1","5","2","1","1") = "6"
    & skf21("7","6","4","1","5","2","2","1") = "6"
    & skf21("7","6","4","1","5","2","3","1") = "6"
    & skf21("7","6","4","1","5","2","4","1") = "6"
    & skf21("7","6","4","1","5","2","5","1") = "6"
    & skf21("7","6","4","1","5","2","6","1") = "6"
    & skf21("7","6","4","1","5","2","7","1") = "6"
    & skf21("7","6","4","1","5","3","1","1") = "6"
    & skf21("7","6","4","1","5","3","2","1") = "6"
    & skf21("7","6","4","1","5","3","3","1") = "6"
    & skf21("7","6","4","1","5","3","4","1") = "6"
    & skf21("7","6","4","1","5","3","5","1") = "6"
    & skf21("7","6","4","1","5","3","6","1") = "6"
    & skf21("7","6","4","1","5","3","7","1") = "6"
    & skf21("7","6","4","1","5","4","1","1") = "6"
    & skf21("7","6","4","1","5","4","2","1") = "6"
    & skf21("7","6","4","1","5","4","3","1") = "6"
    & skf21("7","6","4","1","5","4","4","1") = "6"
    & skf21("7","6","4","1","5","4","5","1") = "6"
    & skf21("7","6","4","1","5","4","6","1") = "6"
    & skf21("7","6","4","1","5","4","7","1") = "6"
    & skf21("7","6","4","1","5","5","1","1") = "6"
    & skf21("7","6","4","1","5","5","2","1") = "6"
    & skf21("7","6","4","1","5","5","3","1") = "6"
    & skf21("7","6","4","1","5","5","4","1") = "6"
    & skf21("7","6","4","1","5","5","5","1") = "6"
    & skf21("7","6","4","1","5","5","6","1") = "6"
    & skf21("7","6","4","1","5","5","7","1") = "6"
    & skf21("7","6","4","1","5","6","1","1") = "6"
    & skf21("7","6","4","1","5","6","2","1") = "6"
    & skf21("7","6","4","1","5","6","3","1") = "6"
    & skf21("7","6","4","1","5","6","4","1") = "6"
    & skf21("7","6","4","1","5","6","5","1") = "6"
    & skf21("7","6","4","1","5","6","6","1") = "6"
    & skf21("7","6","4","1","5","6","7","1") = "6"
    & skf21("7","6","4","1","5","7","1","1") = "6"
    & skf21("7","6","4","1","5","7","2","1") = "6"
    & skf21("7","6","4","1","5","7","3","1") = "6"
    & skf21("7","6","4","1","5","7","4","1") = "6"
    & skf21("7","6","4","1","5","7","5","1") = "6"
    & skf21("7","6","4","1","5","7","6","1") = "6"
    & skf21("7","6","4","1","5","7","7","1") = "6"
    & skf21("7","6","4","1","6","1","1","1") = "6"
    & skf21("7","6","4","1","6","1","2","1") = "6"
    & skf21("7","6","4","1","6","1","3","1") = "6"
    & skf21("7","6","4","1","6","1","4","1") = "6"
    & skf21("7","6","4","1","6","1","5","1") = "6"
    & skf21("7","6","4","1","6","1","6","1") = "6"
    & skf21("7","6","4","1","6","1","7","1") = "6"
    & skf21("7","6","4","1","6","2","1","1") = "6"
    & skf21("7","6","4","1","6","2","2","1") = "6"
    & skf21("7","6","4","1","6","2","3","1") = "6"
    & skf21("7","6","4","1","6","2","4","1") = "6"
    & skf21("7","6","4","1","6","2","5","1") = "6"
    & skf21("7","6","4","1","6","2","6","1") = "6"
    & skf21("7","6","4","1","6","2","7","1") = "6"
    & skf21("7","6","4","1","6","3","1","1") = "6"
    & skf21("7","6","4","1","6","3","2","1") = "6"
    & skf21("7","6","4","1","6","3","3","1") = "6"
    & skf21("7","6","4","1","6","3","4","1") = "6"
    & skf21("7","6","4","1","6","3","5","1") = "6"
    & skf21("7","6","4","1","6","3","6","1") = "6"
    & skf21("7","6","4","1","6","3","7","1") = "6"
    & skf21("7","6","4","1","6","4","1","1") = "6"
    & skf21("7","6","4","1","6","4","2","1") = "6"
    & skf21("7","6","4","1","6","4","3","1") = "6"
    & skf21("7","6","4","1","6","4","4","1") = "6"
    & skf21("7","6","4","1","6","4","5","1") = "6"
    & skf21("7","6","4","1","6","4","6","1") = "6"
    & skf21("7","6","4","1","6","4","7","1") = "6"
    & skf21("7","6","4","1","6","5","1","1") = "6"
    & skf21("7","6","4","1","6","5","2","1") = "6"
    & skf21("7","6","4","1","6","5","3","1") = "6"
    & skf21("7","6","4","1","6","5","4","1") = "6"
    & skf21("7","6","4","1","6","5","5","1") = "6"
    & skf21("7","6","4","1","6","5","6","1") = "6"
    & skf21("7","6","4","1","6","5","7","1") = "6"
    & skf21("7","6","4","1","6","6","1","1") = "6"
    & skf21("7","6","4","1","6","6","2","1") = "6"
    & skf21("7","6","4","1","6","6","3","1") = "6"
    & skf21("7","6","4","1","6","6","4","1") = "6"
    & skf21("7","6","4","1","6","6","5","1") = "6"
    & skf21("7","6","4","1","6","6","6","1") = "6"
    & skf21("7","6","4","1","6","6","7","1") = "6"
    & skf21("7","6","4","1","6","7","1","1") = "6"
    & skf21("7","6","4","1","6","7","2","1") = "6"
    & skf21("7","6","4","1","6","7","3","1") = "6"
    & skf21("7","6","4","1","6","7","4","1") = "6"
    & skf21("7","6","4","1","6","7","5","1") = "6"
    & skf21("7","6","4","1","6","7","6","1") = "6"
    & skf21("7","6","4","1","6","7","7","1") = "6"
    & skf21("7","6","4","1","7","1","1","1") = "6"
    & skf21("7","6","4","1","7","1","2","1") = "6"
    & skf21("7","6","4","1","7","1","3","1") = "6"
    & skf21("7","6","4","1","7","1","4","1") = "6"
    & skf21("7","6","4","1","7","1","5","1") = "6"
    & skf21("7","6","4","1","7","1","6","1") = "6"
    & skf21("7","6","4","1","7","1","7","1") = "6"
    & skf21("7","6","4","1","7","2","1","1") = "6"
    & skf21("7","6","4","1","7","2","2","1") = "6"
    & skf21("7","6","4","1","7","2","3","1") = "6"
    & skf21("7","6","4","1","7","2","4","1") = "6"
    & skf21("7","6","4","1","7","2","5","1") = "6"
    & skf21("7","6","4","1","7","2","6","1") = "6"
    & skf21("7","6","4","1","7","2","7","1") = "6"
    & skf21("7","6","4","1","7","3","1","1") = "6"
    & skf21("7","6","4","1","7","3","2","1") = "6"
    & skf21("7","6","4","1","7","3","3","1") = "6"
    & skf21("7","6","4","1","7","3","4","1") = "6"
    & skf21("7","6","4","1","7","3","5","1") = "6"
    & skf21("7","6","4","1","7","3","6","1") = "6"
    & skf21("7","6","4","1","7","3","7","1") = "6"
    & skf21("7","6","4","1","7","4","1","1") = "6"
    & skf21("7","6","4","1","7","4","2","1") = "6"
    & skf21("7","6","4","1","7","4","3","1") = "6"
    & skf21("7","6","4","1","7","4","4","1") = "6"
    & skf21("7","6","4","1","7","4","5","1") = "6"
    & skf21("7","6","4","1","7","4","6","1") = "6"
    & skf21("7","6","4","1","7","4","7","1") = "6"
    & skf21("7","6","4","1","7","5","1","1") = "6"
    & skf21("7","6","4","1","7","5","2","1") = "6"
    & skf21("7","6","4","1","7","5","3","1") = "6"
    & skf21("7","6","4","1","7","5","4","1") = "6"
    & skf21("7","6","4","1","7","5","5","1") = "6"
    & skf21("7","6","4","1","7","5","6","1") = "6"
    & skf21("7","6","4","1","7","5","7","1") = "6"
    & skf21("7","6","4","1","7","6","1","1") = "6"
    & skf21("7","6","4","1","7","6","2","1") = "6"
    & skf21("7","6","4","1","7","6","3","1") = "6"
    & skf21("7","6","4","1","7","6","4","1") = "6"
    & skf21("7","6","4","1","7","6","5","1") = "6"
    & skf21("7","6","4","1","7","6","6","1") = "6"
    & skf21("7","6","4","1","7","6","7","1") = "6"
    & skf21("7","6","4","1","7","7","1","1") = "6"
    & skf21("7","6","4","1","7","7","2","1") = "6"
    & skf21("7","6","4","1","7","7","3","1") = "6"
    & skf21("7","6","4","1","7","7","4","1") = "6"
    & skf21("7","6","4","1","7","7","5","1") = "6"
    & skf21("7","6","4","1","7","7","6","1") = "6"
    & skf21("7","6","4","1","7","7","7","1") = "6"
    & skf21("7","6","4","2","1","1","1","1") = "6"
    & skf21("7","6","4","2","1","1","2","1") = "6"
    & skf21("7","6","4","2","1","1","3","1") = "6"
    & skf21("7","6","4","2","1","1","4","1") = "6"
    & skf21("7","6","4","2","1","1","5","1") = "6"
    & skf21("7","6","4","2","1","1","6","1") = "6"
    & skf21("7","6","4","2","1","1","7","1") = "6"
    & skf21("7","6","4","2","1","2","1","1") = "6"
    & skf21("7","6","4","2","1","2","2","1") = "6"
    & skf21("7","6","4","2","1","2","3","1") = "6"
    & skf21("7","6","4","2","1","2","4","1") = "6"
    & skf21("7","6","4","2","1","2","5","1") = "6"
    & skf21("7","6","4","2","1","2","6","1") = "6"
    & skf21("7","6","4","2","1","2","7","1") = "6"
    & skf21("7","6","4","2","1","3","1","1") = "6"
    & skf21("7","6","4","2","1","3","2","1") = "6"
    & skf21("7","6","4","2","1","3","3","1") = "6"
    & skf21("7","6","4","2","1","3","4","1") = "6"
    & skf21("7","6","4","2","1","3","5","1") = "6"
    & skf21("7","6","4","2","1","3","6","1") = "6"
    & skf21("7","6","4","2","1","3","7","1") = "6"
    & skf21("7","6","4","2","1","4","1","1") = "6"
    & skf21("7","6","4","2","1","4","2","1") = "6"
    & skf21("7","6","4","2","1","4","3","1") = "6"
    & skf21("7","6","4","2","1","4","4","1") = "6"
    & skf21("7","6","4","2","1","4","5","1") = "6"
    & skf21("7","6","4","2","1","4","6","1") = "6"
    & skf21("7","6","4","2","1","4","7","1") = "6"
    & skf21("7","6","4","2","1","5","1","1") = "6"
    & skf21("7","6","4","2","1","5","2","1") = "6"
    & skf21("7","6","4","2","1","5","3","1") = "6"
    & skf21("7","6","4","2","1","5","4","1") = "6"
    & skf21("7","6","4","2","1","5","5","1") = "6"
    & skf21("7","6","4","2","1","5","6","1") = "6"
    & skf21("7","6","4","2","1","5","7","1") = "6"
    & skf21("7","6","4","2","1","6","1","1") = "6"
    & skf21("7","6","4","2","1","6","2","1") = "6"
    & skf21("7","6","4","2","1","6","3","1") = "6"
    & skf21("7","6","4","2","1","6","4","1") = "6"
    & skf21("7","6","4","2","1","6","5","1") = "6"
    & skf21("7","6","4","2","1","6","6","1") = "6"
    & skf21("7","6","4","2","1","6","7","1") = "6"
    & skf21("7","6","4","2","1","7","1","1") = "6"
    & skf21("7","6","4","2","1","7","2","1") = "6"
    & skf21("7","6","4","2","1","7","3","1") = "6"
    & skf21("7","6","4","2","1","7","4","1") = "6"
    & skf21("7","6","4","2","1","7","5","1") = "6"
    & skf21("7","6","4","2","1","7","6","1") = "6"
    & skf21("7","6","4","2","1","7","7","1") = "6"
    & skf21("7","6","4","2","2","1","1","1") = "6"
    & skf21("7","6","4","2","2","1","2","1") = "6"
    & skf21("7","6","4","2","2","1","3","1") = "6"
    & skf21("7","6","4","2","2","1","4","1") = "6"
    & skf21("7","6","4","2","2","1","5","1") = "6"
    & skf21("7","6","4","2","2","1","6","1") = "6"
    & skf21("7","6","4","2","2","1","7","1") = "6"
    & skf21("7","6","4","2","2","2","1","1") = "6"
    & skf21("7","6","4","2","2","2","2","1") = "6"
    & skf21("7","6","4","2","2","2","3","1") = "6"
    & skf21("7","6","4","2","2","2","4","1") = "6"
    & skf21("7","6","4","2","2","2","5","1") = "6"
    & skf21("7","6","4","2","2","2","6","1") = "6"
    & skf21("7","6","4","2","2","2","7","1") = "6"
    & skf21("7","6","4","2","2","3","1","1") = "6"
    & skf21("7","6","4","2","2","3","2","1") = "6"
    & skf21("7","6","4","2","2","3","3","1") = "6"
    & skf21("7","6","4","2","2","3","4","1") = "6"
    & skf21("7","6","4","2","2","3","5","1") = "6"
    & skf21("7","6","4","2","2","3","6","1") = "6"
    & skf21("7","6","4","2","2","3","7","1") = "6"
    & skf21("7","6","4","2","2","4","1","1") = "6"
    & skf21("7","6","4","2","2","4","2","1") = "6"
    & skf21("7","6","4","2","2","4","3","1") = "6"
    & skf21("7","6","4","2","2","4","4","1") = "6"
    & skf21("7","6","4","2","2","4","5","1") = "6"
    & skf21("7","6","4","2","2","4","6","1") = "6"
    & skf21("7","6","4","2","2","4","7","1") = "6"
    & skf21("7","6","4","2","2","5","1","1") = "6"
    & skf21("7","6","4","2","2","5","2","1") = "6"
    & skf21("7","6","4","2","2","5","3","1") = "6"
    & skf21("7","6","4","2","2","5","4","1") = "6"
    & skf21("7","6","4","2","2","5","5","1") = "6"
    & skf21("7","6","4","2","2","5","6","1") = "6"
    & skf21("7","6","4","2","2","5","7","1") = "6"
    & skf21("7","6","4","2","2","6","1","1") = "6"
    & skf21("7","6","4","2","2","6","2","1") = "6"
    & skf21("7","6","4","2","2","6","3","1") = "6"
    & skf21("7","6","4","2","2","6","4","1") = "6"
    & skf21("7","6","4","2","2","6","5","1") = "6"
    & skf21("7","6","4","2","2","6","6","1") = "6"
    & skf21("7","6","4","2","2","6","7","1") = "6"
    & skf21("7","6","4","2","2","7","1","1") = "6"
    & skf21("7","6","4","2","2","7","2","1") = "6"
    & skf21("7","6","4","2","2","7","3","1") = "6"
    & skf21("7","6","4","2","2","7","4","1") = "6"
    & skf21("7","6","4","2","2","7","5","1") = "6"
    & skf21("7","6","4","2","2","7","6","1") = "6"
    & skf21("7","6","4","2","2","7","7","1") = "6"
    & skf21("7","6","4","2","3","1","1","1") = "6"
    & skf21("7","6","4","2","3","1","2","1") = "6"
    & skf21("7","6","4","2","3","1","3","1") = "6"
    & skf21("7","6","4","2","3","1","4","1") = "6"
    & skf21("7","6","4","2","3","1","5","1") = "6"
    & skf21("7","6","4","2","3","1","6","1") = "6"
    & skf21("7","6","4","2","3","1","7","1") = "6"
    & skf21("7","6","4","2","3","2","1","1") = "6"
    & skf21("7","6","4","2","3","2","2","1") = "6"
    & skf21("7","6","4","2","3","2","3","1") = "6"
    & skf21("7","6","4","2","3","2","4","1") = "6"
    & skf21("7","6","4","2","3","2","5","1") = "6"
    & skf21("7","6","4","2","3","2","6","1") = "6"
    & skf21("7","6","4","2","3","2","7","1") = "6"
    & skf21("7","6","4","2","3","3","1","1") = "6"
    & skf21("7","6","4","2","3","3","2","1") = "6"
    & skf21("7","6","4","2","3","3","3","1") = "6"
    & skf21("7","6","4","2","3","3","4","1") = "6"
    & skf21("7","6","4","2","3","3","5","1") = "6"
    & skf21("7","6","4","2","3","3","6","1") = "6"
    & skf21("7","6","4","2","3","3","7","1") = "6"
    & skf21("7","6","4","2","3","4","1","1") = "6"
    & skf21("7","6","4","2","3","4","2","1") = "6"
    & skf21("7","6","4","2","3","4","3","1") = "6"
    & skf21("7","6","4","2","3","4","4","1") = "6"
    & skf21("7","6","4","2","3","4","5","1") = "6"
    & skf21("7","6","4","2","3","4","6","1") = "6"
    & skf21("7","6","4","2","3","4","7","1") = "6"
    & skf21("7","6","4","2","3","5","1","1") = "6"
    & skf21("7","6","4","2","3","5","2","1") = "6"
    & skf21("7","6","4","2","3","5","3","1") = "6"
    & skf21("7","6","4","2","3","5","4","1") = "6"
    & skf21("7","6","4","2","3","5","5","1") = "6"
    & skf21("7","6","4","2","3","5","6","1") = "6"
    & skf21("7","6","4","2","3","5","7","1") = "6"
    & skf21("7","6","4","2","3","6","1","1") = "6"
    & skf21("7","6","4","2","3","6","2","1") = "6"
    & skf21("7","6","4","2","3","6","3","1") = "6"
    & skf21("7","6","4","2","3","6","4","1") = "6"
    & skf21("7","6","4","2","3","6","5","1") = "6"
    & skf21("7","6","4","2","3","6","6","1") = "6"
    & skf21("7","6","4","2","3","6","7","1") = "6"
    & skf21("7","6","4","2","3","7","1","1") = "6"
    & skf21("7","6","4","2","3","7","2","1") = "6"
    & skf21("7","6","4","2","3","7","3","1") = "6"
    & skf21("7","6","4","2","3","7","4","1") = "6"
    & skf21("7","6","4","2","3","7","5","1") = "6"
    & skf21("7","6","4","2","3","7","6","1") = "6"
    & skf21("7","6","4","2","3","7","7","1") = "6"
    & skf21("7","6","4","2","4","1","1","1") = "6"
    & skf21("7","6","4","2","4","1","2","1") = "6"
    & skf21("7","6","4","2","4","1","3","1") = "6"
    & skf21("7","6","4","2","4","1","4","1") = "6"
    & skf21("7","6","4","2","4","1","5","1") = "6"
    & skf21("7","6","4","2","4","1","6","1") = "6"
    & skf21("7","6","4","2","4","1","7","1") = "6"
    & skf21("7","6","4","2","4","2","1","1") = "6"
    & skf21("7","6","4","2","4","2","2","1") = "6"
    & skf21("7","6","4","2","4","2","3","1") = "6"
    & skf21("7","6","4","2","4","2","4","1") = "6"
    & skf21("7","6","4","2","4","2","5","1") = "6"
    & skf21("7","6","4","2","4","2","6","1") = "6"
    & skf21("7","6","4","2","4","2","7","1") = "6"
    & skf21("7","6","4","2","4","3","1","1") = "6"
    & skf21("7","6","4","2","4","3","2","1") = "6"
    & skf21("7","6","4","2","4","3","3","1") = "6"
    & skf21("7","6","4","2","4","3","4","1") = "6"
    & skf21("7","6","4","2","4","3","5","1") = "6"
    & skf21("7","6","4","2","4","3","6","1") = "6"
    & skf21("7","6","4","2","4","3","7","1") = "6"
    & skf21("7","6","4","2","4","4","1","1") = "6"
    & skf21("7","6","4","2","4","4","2","1") = "6"
    & skf21("7","6","4","2","4","4","3","1") = "6"
    & skf21("7","6","4","2","4","4","4","1") = "6"
    & skf21("7","6","4","2","4","4","5","1") = "6"
    & skf21("7","6","4","2","4","4","6","1") = "6"
    & skf21("7","6","4","2","4","4","7","1") = "6"
    & skf21("7","6","4","2","4","5","1","1") = "6"
    & skf21("7","6","4","2","4","5","2","1") = "6"
    & skf21("7","6","4","2","4","5","3","1") = "6"
    & skf21("7","6","4","2","4","5","4","1") = "6"
    & skf21("7","6","4","2","4","5","5","1") = "6"
    & skf21("7","6","4","2","4","5","6","1") = "6"
    & skf21("7","6","4","2","4","5","7","1") = "6"
    & skf21("7","6","4","2","4","6","1","1") = "6"
    & skf21("7","6","4","2","4","6","2","1") = "6"
    & skf21("7","6","4","2","4","6","3","1") = "6"
    & skf21("7","6","4","2","4","6","4","1") = "6"
    & skf21("7","6","4","2","4","6","5","1") = "6"
    & skf21("7","6","4","2","4","6","6","1") = "6"
    & skf21("7","6","4","2","4","6","7","1") = "6"
    & skf21("7","6","4","2","4","7","1","1") = "6"
    & skf21("7","6","4","2","4","7","2","1") = "6"
    & skf21("7","6","4","2","4","7","3","1") = "6"
    & skf21("7","6","4","2","4","7","4","1") = "6"
    & skf21("7","6","4","2","4","7","5","1") = "6"
    & skf21("7","6","4","2","4","7","6","1") = "6"
    & skf21("7","6","4","2","4","7","7","1") = "6"
    & skf21("7","6","4","2","5","1","1","1") = "6"
    & skf21("7","6","4","2","5","1","2","1") = "6"
    & skf21("7","6","4","2","5","1","3","1") = "6"
    & skf21("7","6","4","2","5","1","4","1") = "6"
    & skf21("7","6","4","2","5","1","5","1") = "6"
    & skf21("7","6","4","2","5","1","6","1") = "6"
    & skf21("7","6","4","2","5","1","7","1") = "6"
    & skf21("7","6","4","2","5","2","1","1") = "6"
    & skf21("7","6","4","2","5","2","2","1") = "6"
    & skf21("7","6","4","2","5","2","3","1") = "6"
    & skf21("7","6","4","2","5","2","4","1") = "6"
    & skf21("7","6","4","2","5","2","5","1") = "6"
    & skf21("7","6","4","2","5","2","6","1") = "6"
    & skf21("7","6","4","2","5","2","7","1") = "6"
    & skf21("7","6","4","2","5","3","1","1") = "6"
    & skf21("7","6","4","2","5","3","2","1") = "6"
    & skf21("7","6","4","2","5","3","3","1") = "6"
    & skf21("7","6","4","2","5","3","4","1") = "6"
    & skf21("7","6","4","2","5","3","5","1") = "6"
    & skf21("7","6","4","2","5","3","6","1") = "6"
    & skf21("7","6","4","2","5","3","7","1") = "6"
    & skf21("7","6","4","2","5","4","1","1") = "6"
    & skf21("7","6","4","2","5","4","2","1") = "6"
    & skf21("7","6","4","2","5","4","3","1") = "6"
    & skf21("7","6","4","2","5","4","4","1") = "6"
    & skf21("7","6","4","2","5","4","5","1") = "6"
    & skf21("7","6","4","2","5","4","6","1") = "6"
    & skf21("7","6","4","2","5","4","7","1") = "6"
    & skf21("7","6","4","2","5","5","1","1") = "6"
    & skf21("7","6","4","2","5","5","2","1") = "6"
    & skf21("7","6","4","2","5","5","3","1") = "6"
    & skf21("7","6","4","2","5","5","4","1") = "6"
    & skf21("7","6","4","2","5","5","5","1") = "6"
    & skf21("7","6","4","2","5","5","6","1") = "6"
    & skf21("7","6","4","2","5","5","7","1") = "6"
    & skf21("7","6","4","2","5","6","1","1") = "6"
    & skf21("7","6","4","2","5","6","2","1") = "6"
    & skf21("7","6","4","2","5","6","3","1") = "6"
    & skf21("7","6","4","2","5","6","4","1") = "6"
    & skf21("7","6","4","2","5","6","5","1") = "6"
    & skf21("7","6","4","2","5","6","6","1") = "6"
    & skf21("7","6","4","2","5","6","7","1") = "6"
    & skf21("7","6","4","2","5","7","1","1") = "6"
    & skf21("7","6","4","2","5","7","2","1") = "6"
    & skf21("7","6","4","2","5","7","3","1") = "6"
    & skf21("7","6","4","2","5","7","4","1") = "6"
    & skf21("7","6","4","2","5","7","5","1") = "6"
    & skf21("7","6","4","2","5","7","6","1") = "6"
    & skf21("7","6","4","2","5","7","7","1") = "6"
    & skf21("7","6","4","2","6","1","1","1") = "6"
    & skf21("7","6","4","2","6","1","2","1") = "6"
    & skf21("7","6","4","2","6","1","3","1") = "6"
    & skf21("7","6","4","2","6","1","4","1") = "6"
    & skf21("7","6","4","2","6","1","5","1") = "6"
    & skf21("7","6","4","2","6","1","6","1") = "6"
    & skf21("7","6","4","2","6","1","7","1") = "6"
    & skf21("7","6","4","2","6","2","1","1") = "6"
    & skf21("7","6","4","2","6","2","2","1") = "6"
    & skf21("7","6","4","2","6","2","3","1") = "6"
    & skf21("7","6","4","2","6","2","4","1") = "6"
    & skf21("7","6","4","2","6","2","5","1") = "6"
    & skf21("7","6","4","2","6","2","6","1") = "6"
    & skf21("7","6","4","2","6","2","7","1") = "6"
    & skf21("7","6","4","2","6","3","1","1") = "6"
    & skf21("7","6","4","2","6","3","2","1") = "6"
    & skf21("7","6","4","2","6","3","3","1") = "6"
    & skf21("7","6","4","2","6","3","4","1") = "6"
    & skf21("7","6","4","2","6","3","5","1") = "6"
    & skf21("7","6","4","2","6","3","6","1") = "6"
    & skf21("7","6","4","2","6","3","7","1") = "6"
    & skf21("7","6","4","2","6","4","1","1") = "6"
    & skf21("7","6","4","2","6","4","2","1") = "6"
    & skf21("7","6","4","2","6","4","3","1") = "6"
    & skf21("7","6","4","2","6","4","4","1") = "6"
    & skf21("7","6","4","2","6","4","5","1") = "6"
    & skf21("7","6","4","2","6","4","6","1") = "6"
    & skf21("7","6","4","2","6","4","7","1") = "6"
    & skf21("7","6","4","2","6","5","1","1") = "6"
    & skf21("7","6","4","2","6","5","2","1") = "6"
    & skf21("7","6","4","2","6","5","3","1") = "6"
    & skf21("7","6","4","2","6","5","4","1") = "6"
    & skf21("7","6","4","2","6","5","5","1") = "6"
    & skf21("7","6","4","2","6","5","6","1") = "6"
    & skf21("7","6","4","2","6","5","7","1") = "6"
    & skf21("7","6","4","2","6","6","1","1") = "6"
    & skf21("7","6","4","2","6","6","2","1") = "6"
    & skf21("7","6","4","2","6","6","3","1") = "6"
    & skf21("7","6","4","2","6","6","4","1") = "6"
    & skf21("7","6","4","2","6","6","5","1") = "6"
    & skf21("7","6","4","2","6","6","6","1") = "6"
    & skf21("7","6","4","2","6","6","7","1") = "6"
    & skf21("7","6","4","2","6","7","1","1") = "6"
    & skf21("7","6","4","2","6","7","2","1") = "6"
    & skf21("7","6","4","2","6","7","3","1") = "6"
    & skf21("7","6","4","2","6","7","4","1") = "6"
    & skf21("7","6","4","2","6","7","5","1") = "6"
    & skf21("7","6","4","2","6","7","6","1") = "6"
    & skf21("7","6","4","2","6","7","7","1") = "6"
    & skf21("7","6","4","2","7","1","1","1") = "6"
    & skf21("7","6","4","2","7","1","2","1") = "6"
    & skf21("7","6","4","2","7","1","3","1") = "6"
    & skf21("7","6","4","2","7","1","4","1") = "6"
    & skf21("7","6","4","2","7","1","5","1") = "6"
    & skf21("7","6","4","2","7","1","6","1") = "6"
    & skf21("7","6","4","2","7","1","7","1") = "6"
    & skf21("7","6","4","2","7","2","1","1") = "6"
    & skf21("7","6","4","2","7","2","2","1") = "6"
    & skf21("7","6","4","2","7","2","3","1") = "6"
    & skf21("7","6","4","2","7","2","4","1") = "6"
    & skf21("7","6","4","2","7","2","5","1") = "6"
    & skf21("7","6","4","2","7","2","6","1") = "6"
    & skf21("7","6","4","2","7","2","7","1") = "6"
    & skf21("7","6","4","2","7","3","1","1") = "6"
    & skf21("7","6","4","2","7","3","2","1") = "6"
    & skf21("7","6","4","2","7","3","3","1") = "6"
    & skf21("7","6","4","2","7","3","4","1") = "6"
    & skf21("7","6","4","2","7","3","5","1") = "6"
    & skf21("7","6","4","2","7","3","6","1") = "6"
    & skf21("7","6","4","2","7","3","7","1") = "6"
    & skf21("7","6","4","2","7","4","1","1") = "6"
    & skf21("7","6","4","2","7","4","2","1") = "6"
    & skf21("7","6","4","2","7","4","3","1") = "6"
    & skf21("7","6","4","2","7","4","4","1") = "6"
    & skf21("7","6","4","2","7","4","5","1") = "6"
    & skf21("7","6","4","2","7","4","6","1") = "6"
    & skf21("7","6","4","2","7","4","7","1") = "6"
    & skf21("7","6","4","2","7","5","1","1") = "6"
    & skf21("7","6","4","2","7","5","2","1") = "6"
    & skf21("7","6","4","2","7","5","3","1") = "6"
    & skf21("7","6","4","2","7","5","4","1") = "6"
    & skf21("7","6","4","2","7","5","5","1") = "6"
    & skf21("7","6","4","2","7","5","6","1") = "6"
    & skf21("7","6","4","2","7","5","7","1") = "6"
    & skf21("7","6","4","2","7","6","1","1") = "6"
    & skf21("7","6","4","2","7","6","2","1") = "6"
    & skf21("7","6","4","2","7","6","3","1") = "6"
    & skf21("7","6","4","2","7","6","4","1") = "6"
    & skf21("7","6","4","2","7","6","5","1") = "6"
    & skf21("7","6","4","2","7","6","6","1") = "6"
    & skf21("7","6","4","2","7","6","7","1") = "6"
    & skf21("7","6","4","2","7","7","1","1") = "6"
    & skf21("7","6","4","2","7","7","2","1") = "6"
    & skf21("7","6","4","2","7","7","3","1") = "6"
    & skf21("7","6","4","2","7","7","4","1") = "6"
    & skf21("7","6","4","2","7","7","5","1") = "6"
    & skf21("7","6","4","2","7","7","6","1") = "6"
    & skf21("7","6","4","2","7","7","7","1") = "6"
    & skf21("7","6","4","3","1","1","1","1") = "6"
    & skf21("7","6","4","3","1","1","2","1") = "6"
    & skf21("7","6","4","3","1","1","3","1") = "6"
    & skf21("7","6","4","3","1","1","4","1") = "6"
    & skf21("7","6","4","3","1","1","5","1") = "6"
    & skf21("7","6","4","3","1","1","6","1") = "6"
    & skf21("7","6","4","3","1","1","7","1") = "6"
    & skf21("7","6","4","3","1","2","1","1") = "6"
    & skf21("7","6","4","3","1","2","2","1") = "6"
    & skf21("7","6","4","3","1","2","3","1") = "6"
    & skf21("7","6","4","3","1","2","4","1") = "6"
    & skf21("7","6","4","3","1","2","5","1") = "6"
    & skf21("7","6","4","3","1","2","6","1") = "6"
    & skf21("7","6","4","3","1","2","7","1") = "6"
    & skf21("7","6","4","3","1","3","1","1") = "6"
    & skf21("7","6","4","3","1","3","2","1") = "6"
    & skf21("7","6","4","3","1","3","3","1") = "6"
    & skf21("7","6","4","3","1","3","4","1") = "6"
    & skf21("7","6","4","3","1","3","5","1") = "6"
    & skf21("7","6","4","3","1","3","6","1") = "6"
    & skf21("7","6","4","3","1","3","7","1") = "6"
    & skf21("7","6","4","3","1","4","1","1") = "6"
    & skf21("7","6","4","3","1","4","2","1") = "6"
    & skf21("7","6","4","3","1","4","3","1") = "6"
    & skf21("7","6","4","3","1","4","4","1") = "6"
    & skf21("7","6","4","3","1","4","5","1") = "6"
    & skf21("7","6","4","3","1","4","6","1") = "6"
    & skf21("7","6","4","3","1","4","7","1") = "6"
    & skf21("7","6","4","3","1","5","1","1") = "6"
    & skf21("7","6","4","3","1","5","2","1") = "6"
    & skf21("7","6","4","3","1","5","3","1") = "6"
    & skf21("7","6","4","3","1","5","4","1") = "6"
    & skf21("7","6","4","3","1","5","5","1") = "6"
    & skf21("7","6","4","3","1","5","6","1") = "6"
    & skf21("7","6","4","3","1","5","7","1") = "6"
    & skf21("7","6","4","3","1","6","1","1") = "6"
    & skf21("7","6","4","3","1","6","2","1") = "6"
    & skf21("7","6","4","3","1","6","3","1") = "6"
    & skf21("7","6","4","3","1","6","4","1") = "6"
    & skf21("7","6","4","3","1","6","5","1") = "6"
    & skf21("7","6","4","3","1","6","6","1") = "6"
    & skf21("7","6","4","3","1","6","7","1") = "6"
    & skf21("7","6","4","3","1","7","1","1") = "6"
    & skf21("7","6","4","3","1","7","2","1") = "6"
    & skf21("7","6","4","3","1","7","3","1") = "6"
    & skf21("7","6","4","3","1","7","4","1") = "6"
    & skf21("7","6","4","3","1","7","5","1") = "6"
    & skf21("7","6","4","3","1","7","6","1") = "6"
    & skf21("7","6","4","3","1","7","7","1") = "6"
    & skf21("7","6","4","3","2","1","1","1") = "6"
    & skf21("7","6","4","3","2","1","2","1") = "6"
    & skf21("7","6","4","3","2","1","3","1") = "6"
    & skf21("7","6","4","3","2","1","4","1") = "6"
    & skf21("7","6","4","3","2","1","5","1") = "6"
    & skf21("7","6","4","3","2","1","6","1") = "6"
    & skf21("7","6","4","3","2","1","7","1") = "6"
    & skf21("7","6","4","3","2","2","1","1") = "6"
    & skf21("7","6","4","3","2","2","2","1") = "6"
    & skf21("7","6","4","3","2","2","3","1") = "6"
    & skf21("7","6","4","3","2","2","4","1") = "6"
    & skf21("7","6","4","3","2","2","5","1") = "6"
    & skf21("7","6","4","3","2","2","6","1") = "6"
    & skf21("7","6","4","3","2","2","7","1") = "6"
    & skf21("7","6","4","3","2","3","1","1") = "6"
    & skf21("7","6","4","3","2","3","2","1") = "6"
    & skf21("7","6","4","3","2","3","3","1") = "6"
    & skf21("7","6","4","3","2","3","4","1") = "6"
    & skf21("7","6","4","3","2","3","5","1") = "6"
    & skf21("7","6","4","3","2","3","6","1") = "6"
    & skf21("7","6","4","3","2","3","7","1") = "6"
    & skf21("7","6","4","3","2","4","1","1") = "6"
    & skf21("7","6","4","3","2","4","2","1") = "6"
    & skf21("7","6","4","3","2","4","3","1") = "6"
    & skf21("7","6","4","3","2","4","4","1") = "6"
    & skf21("7","6","4","3","2","4","5","1") = "6"
    & skf21("7","6","4","3","2","4","6","1") = "6"
    & skf21("7","6","4","3","2","4","7","1") = "6"
    & skf21("7","6","4","3","2","5","1","1") = "6"
    & skf21("7","6","4","3","2","5","2","1") = "6"
    & skf21("7","6","4","3","2","5","3","1") = "6"
    & skf21("7","6","4","3","2","5","4","1") = "6"
    & skf21("7","6","4","3","2","5","5","1") = "6"
    & skf21("7","6","4","3","2","5","6","1") = "6"
    & skf21("7","6","4","3","2","5","7","1") = "6"
    & skf21("7","6","4","3","2","6","1","1") = "6"
    & skf21("7","6","4","3","2","6","2","1") = "6"
    & skf21("7","6","4","3","2","6","3","1") = "6"
    & skf21("7","6","4","3","2","6","4","1") = "6"
    & skf21("7","6","4","3","2","6","5","1") = "6"
    & skf21("7","6","4","3","2","6","6","1") = "6"
    & skf21("7","6","4","3","2","6","7","1") = "6"
    & skf21("7","6","4","3","2","7","1","1") = "6"
    & skf21("7","6","4","3","2","7","2","1") = "6"
    & skf21("7","6","4","3","2","7","3","1") = "6"
    & skf21("7","6","4","3","2","7","4","1") = "6"
    & skf21("7","6","4","3","2","7","5","1") = "6"
    & skf21("7","6","4","3","2","7","6","1") = "6"
    & skf21("7","6","4","3","2","7","7","1") = "6"
    & skf21("7","6","4","3","3","1","1","1") = "6"
    & skf21("7","6","4","3","3","1","2","1") = "6"
    & skf21("7","6","4","3","3","1","3","1") = "6"
    & skf21("7","6","4","3","3","1","4","1") = "6"
    & skf21("7","6","4","3","3","1","5","1") = "6"
    & skf21("7","6","4","3","3","1","6","1") = "6"
    & skf21("7","6","4","3","3","1","7","1") = "6"
    & skf21("7","6","4","3","3","2","1","1") = "6"
    & skf21("7","6","4","3","3","2","2","1") = "6"
    & skf21("7","6","4","3","3","2","3","1") = "6"
    & skf21("7","6","4","3","3","2","4","1") = "6"
    & skf21("7","6","4","3","3","2","5","1") = "6"
    & skf21("7","6","4","3","3","2","6","1") = "6"
    & skf21("7","6","4","3","3","2","7","1") = "6"
    & skf21("7","6","4","3","3","3","1","1") = "6"
    & skf21("7","6","4","3","3","3","2","1") = "6"
    & skf21("7","6","4","3","3","3","3","1") = "6"
    & skf21("7","6","4","3","3","3","4","1") = "6"
    & skf21("7","6","4","3","3","3","5","1") = "6"
    & skf21("7","6","4","3","3","3","6","1") = "6"
    & skf21("7","6","4","3","3","3","7","1") = "6"
    & skf21("7","6","4","3","3","4","1","1") = "6"
    & skf21("7","6","4","3","3","4","2","1") = "6"
    & skf21("7","6","4","3","3","4","3","1") = "6"
    & skf21("7","6","4","3","3","4","4","1") = "6"
    & skf21("7","6","4","3","3","4","5","1") = "6"
    & skf21("7","6","4","3","3","4","6","1") = "6"
    & skf21("7","6","4","3","3","4","7","1") = "6"
    & skf21("7","6","4","3","3","5","1","1") = "6"
    & skf21("7","6","4","3","3","5","2","1") = "6"
    & skf21("7","6","4","3","3","5","3","1") = "6"
    & skf21("7","6","4","3","3","5","4","1") = "6"
    & skf21("7","6","4","3","3","5","5","1") = "6"
    & skf21("7","6","4","3","3","5","6","1") = "6"
    & skf21("7","6","4","3","3","5","7","1") = "6"
    & skf21("7","6","4","3","3","6","1","1") = "6"
    & skf21("7","6","4","3","3","6","2","1") = "6"
    & skf21("7","6","4","3","3","6","3","1") = "6"
    & skf21("7","6","4","3","3","6","4","1") = "6"
    & skf21("7","6","4","3","3","6","5","1") = "6"
    & skf21("7","6","4","3","3","6","6","1") = "6"
    & skf21("7","6","4","3","3","6","7","1") = "6"
    & skf21("7","6","4","3","3","7","1","1") = "6"
    & skf21("7","6","4","3","3","7","2","1") = "6"
    & skf21("7","6","4","3","3","7","3","1") = "6"
    & skf21("7","6","4","3","3","7","4","1") = "6"
    & skf21("7","6","4","3","3","7","5","1") = "6"
    & skf21("7","6","4","3","3","7","6","1") = "6"
    & skf21("7","6","4","3","3","7","7","1") = "6"
    & skf21("7","6","4","3","4","1","1","1") = "6"
    & skf21("7","6","4","3","4","1","2","1") = "6"
    & skf21("7","6","4","3","4","1","3","1") = "6"
    & skf21("7","6","4","3","4","1","4","1") = "6"
    & skf21("7","6","4","3","4","1","5","1") = "6"
    & skf21("7","6","4","3","4","1","6","1") = "6"
    & skf21("7","6","4","3","4","1","7","1") = "6"
    & skf21("7","6","4","3","4","2","1","1") = "6"
    & skf21("7","6","4","3","4","2","2","1") = "6"
    & skf21("7","6","4","3","4","2","3","1") = "6"
    & skf21("7","6","4","3","4","2","4","1") = "6"
    & skf21("7","6","4","3","4","2","5","1") = "6"
    & skf21("7","6","4","3","4","2","6","1") = "6"
    & skf21("7","6","4","3","4","2","7","1") = "6"
    & skf21("7","6","4","3","4","3","1","1") = "6"
    & skf21("7","6","4","3","4","3","2","1") = "6"
    & skf21("7","6","4","3","4","3","3","1") = "6"
    & skf21("7","6","4","3","4","3","4","1") = "6"
    & skf21("7","6","4","3","4","3","5","1") = "6"
    & skf21("7","6","4","3","4","3","6","1") = "6"
    & skf21("7","6","4","3","4","3","7","1") = "6"
    & skf21("7","6","4","3","4","4","1","1") = "6"
    & skf21("7","6","4","3","4","4","2","1") = "6"
    & skf21("7","6","4","3","4","4","3","1") = "6"
    & skf21("7","6","4","3","4","4","4","1") = "6"
    & skf21("7","6","4","3","4","4","5","1") = "6"
    & skf21("7","6","4","3","4","4","6","1") = "6"
    & skf21("7","6","4","3","4","4","7","1") = "6"
    & skf21("7","6","4","3","4","5","1","1") = "6"
    & skf21("7","6","4","3","4","5","2","1") = "6"
    & skf21("7","6","4","3","4","5","3","1") = "6"
    & skf21("7","6","4","3","4","5","4","1") = "6"
    & skf21("7","6","4","3","4","5","5","1") = "6"
    & skf21("7","6","4","3","4","5","6","1") = "6"
    & skf21("7","6","4","3","4","5","7","1") = "6"
    & skf21("7","6","4","3","4","6","1","1") = "6"
    & skf21("7","6","4","3","4","6","2","1") = "6"
    & skf21("7","6","4","3","4","6","3","1") = "6"
    & skf21("7","6","4","3","4","6","4","1") = "6"
    & skf21("7","6","4","3","4","6","5","1") = "6"
    & skf21("7","6","4","3","4","6","6","1") = "6"
    & skf21("7","6","4","3","4","6","7","1") = "6"
    & skf21("7","6","4","3","4","7","1","1") = "6"
    & skf21("7","6","4","3","4","7","2","1") = "6"
    & skf21("7","6","4","3","4","7","3","1") = "6"
    & skf21("7","6","4","3","4","7","4","1") = "6"
    & skf21("7","6","4","3","4","7","5","1") = "6"
    & skf21("7","6","4","3","4","7","6","1") = "6"
    & skf21("7","6","4","3","4","7","7","1") = "6"
    & skf21("7","6","4","3","5","1","1","1") = "6"
    & skf21("7","6","4","3","5","1","2","1") = "6"
    & skf21("7","6","4","3","5","1","3","1") = "6"
    & skf21("7","6","4","3","5","1","4","1") = "6"
    & skf21("7","6","4","3","5","1","5","1") = "6"
    & skf21("7","6","4","3","5","1","6","1") = "6"
    & skf21("7","6","4","3","5","1","7","1") = "6"
    & skf21("7","6","4","3","5","2","1","1") = "6"
    & skf21("7","6","4","3","5","2","2","1") = "6"
    & skf21("7","6","4","3","5","2","3","1") = "6"
    & skf21("7","6","4","3","5","2","4","1") = "6"
    & skf21("7","6","4","3","5","2","5","1") = "6"
    & skf21("7","6","4","3","5","2","6","1") = "6"
    & skf21("7","6","4","3","5","2","7","1") = "6"
    & skf21("7","6","4","3","5","3","1","1") = "6"
    & skf21("7","6","4","3","5","3","2","1") = "6"
    & skf21("7","6","4","3","5","3","3","1") = "6"
    & skf21("7","6","4","3","5","3","4","1") = "6"
    & skf21("7","6","4","3","5","3","5","1") = "6"
    & skf21("7","6","4","3","5","3","6","1") = "6"
    & skf21("7","6","4","3","5","3","7","1") = "6"
    & skf21("7","6","4","3","5","4","1","1") = "6"
    & skf21("7","6","4","3","5","4","2","1") = "6"
    & skf21("7","6","4","3","5","4","3","1") = "6"
    & skf21("7","6","4","3","5","4","4","1") = "6"
    & skf21("7","6","4","3","5","4","5","1") = "6"
    & skf21("7","6","4","3","5","4","6","1") = "6"
    & skf21("7","6","4","3","5","4","7","1") = "6"
    & skf21("7","6","4","3","5","5","1","1") = "6"
    & skf21("7","6","4","3","5","5","2","1") = "6"
    & skf21("7","6","4","3","5","5","3","1") = "6"
    & skf21("7","6","4","3","5","5","4","1") = "6"
    & skf21("7","6","4","3","5","5","5","1") = "6"
    & skf21("7","6","4","3","5","5","6","1") = "6"
    & skf21("7","6","4","3","5","5","7","1") = "6"
    & skf21("7","6","4","3","5","6","1","1") = "6"
    & skf21("7","6","4","3","5","6","2","1") = "6"
    & skf21("7","6","4","3","5","6","3","1") = "6"
    & skf21("7","6","4","3","5","6","4","1") = "6"
    & skf21("7","6","4","3","5","6","5","1") = "6"
    & skf21("7","6","4","3","5","6","6","1") = "6"
    & skf21("7","6","4","3","5","6","7","1") = "6"
    & skf21("7","6","4","3","5","7","1","1") = "6"
    & skf21("7","6","4","3","5","7","2","1") = "6"
    & skf21("7","6","4","3","5","7","3","1") = "6"
    & skf21("7","6","4","3","5","7","4","1") = "6"
    & skf21("7","6","4","3","5","7","5","1") = "6"
    & skf21("7","6","4","3","5","7","6","1") = "6"
    & skf21("7","6","4","3","5","7","7","1") = "6"
    & skf21("7","6","4","3","6","1","1","1") = "6"
    & skf21("7","6","4","3","6","1","2","1") = "6"
    & skf21("7","6","4","3","6","1","3","1") = "6"
    & skf21("7","6","4","3","6","1","4","1") = "6"
    & skf21("7","6","4","3","6","1","5","1") = "6"
    & skf21("7","6","4","3","6","1","6","1") = "6"
    & skf21("7","6","4","3","6","1","7","1") = "6"
    & skf21("7","6","4","3","6","2","1","1") = "6"
    & skf21("7","6","4","3","6","2","2","1") = "6"
    & skf21("7","6","4","3","6","2","3","1") = "6"
    & skf21("7","6","4","3","6","2","4","1") = "6"
    & skf21("7","6","4","3","6","2","5","1") = "6"
    & skf21("7","6","4","3","6","2","6","1") = "6"
    & skf21("7","6","4","3","6","2","7","1") = "6"
    & skf21("7","6","4","3","6","3","1","1") = "6"
    & skf21("7","6","4","3","6","3","2","1") = "6"
    & skf21("7","6","4","3","6","3","3","1") = "6"
    & skf21("7","6","4","3","6","3","4","1") = "6"
    & skf21("7","6","4","3","6","3","5","1") = "6"
    & skf21("7","6","4","3","6","3","6","1") = "6"
    & skf21("7","6","4","3","6","3","7","1") = "6"
    & skf21("7","6","4","3","6","4","1","1") = "6"
    & skf21("7","6","4","3","6","4","2","1") = "6"
    & skf21("7","6","4","3","6","4","3","1") = "6"
    & skf21("7","6","4","3","6","4","4","1") = "6"
    & skf21("7","6","4","3","6","4","5","1") = "6"
    & skf21("7","6","4","3","6","4","6","1") = "6"
    & skf21("7","6","4","3","6","4","7","1") = "6"
    & skf21("7","6","4","3","6","5","1","1") = "6"
    & skf21("7","6","4","3","6","5","2","1") = "6"
    & skf21("7","6","4","3","6","5","3","1") = "6"
    & skf21("7","6","4","3","6","5","4","1") = "6"
    & skf21("7","6","4","3","6","5","5","1") = "6"
    & skf21("7","6","4","3","6","5","6","1") = "6"
    & skf21("7","6","4","3","6","5","7","1") = "6"
    & skf21("7","6","4","3","6","6","1","1") = "6"
    & skf21("7","6","4","3","6","6","2","1") = "6"
    & skf21("7","6","4","3","6","6","3","1") = "6"
    & skf21("7","6","4","3","6","6","4","1") = "6"
    & skf21("7","6","4","3","6","6","5","1") = "6"
    & skf21("7","6","4","3","6","6","6","1") = "6"
    & skf21("7","6","4","3","6","6","7","1") = "6"
    & skf21("7","6","4","3","6","7","1","1") = "6"
    & skf21("7","6","4","3","6","7","2","1") = "6"
    & skf21("7","6","4","3","6","7","3","1") = "6"
    & skf21("7","6","4","3","6","7","4","1") = "6"
    & skf21("7","6","4","3","6","7","5","1") = "6"
    & skf21("7","6","4","3","6","7","6","1") = "6"
    & skf21("7","6","4","3","6","7","7","1") = "6"
    & skf21("7","6","4","3","7","1","1","1") = "6"
    & skf21("7","6","4","3","7","1","2","1") = "6"
    & skf21("7","6","4","3","7","1","3","1") = "6"
    & skf21("7","6","4","3","7","1","4","1") = "6"
    & skf21("7","6","4","3","7","1","5","1") = "6"
    & skf21("7","6","4","3","7","1","6","1") = "6"
    & skf21("7","6","4","3","7","1","7","1") = "6"
    & skf21("7","6","4","3","7","2","1","1") = "6"
    & skf21("7","6","4","3","7","2","2","1") = "6"
    & skf21("7","6","4","3","7","2","3","1") = "6"
    & skf21("7","6","4","3","7","2","4","1") = "6"
    & skf21("7","6","4","3","7","2","5","1") = "6"
    & skf21("7","6","4","3","7","2","6","1") = "6"
    & skf21("7","6","4","3","7","2","7","1") = "6"
    & skf21("7","6","4","3","7","3","1","1") = "6"
    & skf21("7","6","4","3","7","3","2","1") = "6"
    & skf21("7","6","4","3","7","3","3","1") = "6"
    & skf21("7","6","4","3","7","3","4","1") = "6"
    & skf21("7","6","4","3","7","3","5","1") = "6"
    & skf21("7","6","4","3","7","3","6","1") = "6"
    & skf21("7","6","4","3","7","3","7","1") = "6"
    & skf21("7","6","4","3","7","4","1","1") = "6"
    & skf21("7","6","4","3","7","4","2","1") = "6"
    & skf21("7","6","4","3","7","4","3","1") = "6"
    & skf21("7","6","4","3","7","4","4","1") = "6"
    & skf21("7","6","4","3","7","4","5","1") = "6"
    & skf21("7","6","4","3","7","4","6","1") = "6"
    & skf21("7","6","4","3","7","4","7","1") = "6"
    & skf21("7","6","4","3","7","5","1","1") = "6"
    & skf21("7","6","4","3","7","5","2","1") = "6"
    & skf21("7","6","4","3","7","5","3","1") = "6"
    & skf21("7","6","4","3","7","5","4","1") = "6"
    & skf21("7","6","4","3","7","5","5","1") = "6"
    & skf21("7","6","4","3","7","5","6","1") = "6"
    & skf21("7","6","4","3","7","5","7","1") = "6"
    & skf21("7","6","4","3","7","6","1","1") = "6"
    & skf21("7","6","4","3","7","6","2","1") = "6"
    & skf21("7","6","4","3","7","6","3","1") = "6"
    & skf21("7","6","4","3","7","6","4","1") = "6"
    & skf21("7","6","4","3","7","6","5","1") = "6"
    & skf21("7","6","4","3","7","6","6","1") = "6"
    & skf21("7","6","4","3","7","6","7","1") = "6"
    & skf21("7","6","4","3","7","7","1","1") = "6"
    & skf21("7","6","4","3","7","7","2","1") = "6"
    & skf21("7","6","4","3","7","7","3","1") = "6"
    & skf21("7","6","4","3","7","7","4","1") = "6"
    & skf21("7","6","4","3","7","7","5","1") = "6"
    & skf21("7","6","4","3","7","7","6","1") = "6"
    & skf21("7","6","4","3","7","7","7","1") = "6"
    & skf21("7","6","4","4","1","1","1","1") = "6"
    & skf21("7","6","4","4","1","1","2","1") = "6"
    & skf21("7","6","4","4","1","1","3","1") = "6"
    & skf21("7","6","4","4","1","1","4","1") = "6"
    & skf21("7","6","4","4","1","1","5","1") = "6"
    & skf21("7","6","4","4","1","1","6","1") = "6"
    & skf21("7","6","4","4","1","1","7","1") = "6"
    & skf21("7","6","4","4","1","2","1","1") = "6"
    & skf21("7","6","4","4","1","2","2","1") = "6"
    & skf21("7","6","4","4","1","2","3","1") = "6"
    & skf21("7","6","4","4","1","2","4","1") = "6"
    & skf21("7","6","4","4","1","2","5","1") = "6"
    & skf21("7","6","4","4","1","2","6","1") = "6"
    & skf21("7","6","4","4","1","2","7","1") = "6"
    & skf21("7","6","4","4","1","3","1","1") = "6"
    & skf21("7","6","4","4","1","3","2","1") = "6"
    & skf21("7","6","4","4","1","3","3","1") = "6"
    & skf21("7","6","4","4","1","3","4","1") = "6"
    & skf21("7","6","4","4","1","3","5","1") = "6"
    & skf21("7","6","4","4","1","3","6","1") = "6"
    & skf21("7","6","4","4","1","3","7","1") = "6"
    & skf21("7","6","4","4","1","4","1","1") = "6"
    & skf21("7","6","4","4","1","4","2","1") = "6"
    & skf21("7","6","4","4","1","4","3","1") = "6"
    & skf21("7","6","4","4","1","4","4","1") = "6"
    & skf21("7","6","4","4","1","4","5","1") = "6"
    & skf21("7","6","4","4","1","4","6","1") = "6"
    & skf21("7","6","4","4","1","4","7","1") = "6"
    & skf21("7","6","4","4","1","5","1","1") = "6"
    & skf21("7","6","4","4","1","5","2","1") = "6"
    & skf21("7","6","4","4","1","5","3","1") = "6"
    & skf21("7","6","4","4","1","5","4","1") = "6"
    & skf21("7","6","4","4","1","5","5","1") = "6"
    & skf21("7","6","4","4","1","5","6","1") = "6"
    & skf21("7","6","4","4","1","5","7","1") = "6"
    & skf21("7","6","4","4","1","6","1","1") = "6"
    & skf21("7","6","4","4","1","6","2","1") = "6"
    & skf21("7","6","4","4","1","6","3","1") = "6"
    & skf21("7","6","4","4","1","6","4","1") = "6"
    & skf21("7","6","4","4","1","6","5","1") = "6"
    & skf21("7","6","4","4","1","6","6","1") = "6"
    & skf21("7","6","4","4","1","6","7","1") = "6"
    & skf21("7","6","4","4","1","7","1","1") = "6"
    & skf21("7","6","4","4","1","7","2","1") = "6"
    & skf21("7","6","4","4","1","7","3","1") = "6"
    & skf21("7","6","4","4","1","7","4","1") = "6"
    & skf21("7","6","4","4","1","7","5","1") = "6"
    & skf21("7","6","4","4","1","7","6","1") = "6"
    & skf21("7","6","4","4","1","7","7","1") = "6"
    & skf21("7","6","4","4","2","1","1","1") = "6"
    & skf21("7","6","4","4","2","1","2","1") = "6"
    & skf21("7","6","4","4","2","1","3","1") = "6"
    & skf21("7","6","4","4","2","1","4","1") = "6"
    & skf21("7","6","4","4","2","1","5","1") = "6"
    & skf21("7","6","4","4","2","1","6","1") = "6"
    & skf21("7","6","4","4","2","1","7","1") = "6"
    & skf21("7","6","4","4","2","2","1","1") = "6"
    & skf21("7","6","4","4","2","2","2","1") = "6"
    & skf21("7","6","4","4","2","2","3","1") = "6"
    & skf21("7","6","4","4","2","2","4","1") = "6"
    & skf21("7","6","4","4","2","2","5","1") = "6"
    & skf21("7","6","4","4","2","2","6","1") = "6"
    & skf21("7","6","4","4","2","2","7","1") = "6"
    & skf21("7","6","4","4","2","3","1","1") = "6"
    & skf21("7","6","4","4","2","3","2","1") = "6"
    & skf21("7","6","4","4","2","3","3","1") = "6"
    & skf21("7","6","4","4","2","3","4","1") = "6"
    & skf21("7","6","4","4","2","3","5","1") = "6"
    & skf21("7","6","4","4","2","3","6","1") = "6"
    & skf21("7","6","4","4","2","3","7","1") = "6"
    & skf21("7","6","4","4","2","4","1","1") = "6"
    & skf21("7","6","4","4","2","4","2","1") = "6"
    & skf21("7","6","4","4","2","4","3","1") = "6"
    & skf21("7","6","4","4","2","4","4","1") = "6"
    & skf21("7","6","4","4","2","4","5","1") = "6"
    & skf21("7","6","4","4","2","4","6","1") = "6"
    & skf21("7","6","4","4","2","4","7","1") = "6"
    & skf21("7","6","4","4","2","5","1","1") = "6"
    & skf21("7","6","4","4","2","5","2","1") = "6"
    & skf21("7","6","4","4","2","5","3","1") = "6"
    & skf21("7","6","4","4","2","5","4","1") = "6"
    & skf21("7","6","4","4","2","5","5","1") = "6"
    & skf21("7","6","4","4","2","5","6","1") = "6"
    & skf21("7","6","4","4","2","5","7","1") = "6"
    & skf21("7","6","4","4","2","6","1","1") = "6"
    & skf21("7","6","4","4","2","6","2","1") = "6"
    & skf21("7","6","4","4","2","6","3","1") = "6"
    & skf21("7","6","4","4","2","6","4","1") = "6"
    & skf21("7","6","4","4","2","6","5","1") = "6"
    & skf21("7","6","4","4","2","6","6","1") = "6"
    & skf21("7","6","4","4","2","6","7","1") = "6"
    & skf21("7","6","4","4","2","7","1","1") = "6"
    & skf21("7","6","4","4","2","7","2","1") = "6"
    & skf21("7","6","4","4","2","7","3","1") = "6"
    & skf21("7","6","4","4","2","7","4","1") = "6"
    & skf21("7","6","4","4","2","7","5","1") = "6"
    & skf21("7","6","4","4","2","7","6","1") = "6"
    & skf21("7","6","4","4","2","7","7","1") = "6"
    & skf21("7","6","4","4","3","1","1","1") = "6"
    & skf21("7","6","4","4","3","1","2","1") = "6"
    & skf21("7","6","4","4","3","1","3","1") = "6"
    & skf21("7","6","4","4","3","1","4","1") = "6"
    & skf21("7","6","4","4","3","1","5","1") = "6"
    & skf21("7","6","4","4","3","1","6","1") = "6"
    & skf21("7","6","4","4","3","1","7","1") = "6"
    & skf21("7","6","4","4","3","2","1","1") = "6"
    & skf21("7","6","4","4","3","2","2","1") = "6"
    & skf21("7","6","4","4","3","2","3","1") = "6"
    & skf21("7","6","4","4","3","2","4","1") = "6"
    & skf21("7","6","4","4","3","2","5","1") = "6"
    & skf21("7","6","4","4","3","2","6","1") = "6"
    & skf21("7","6","4","4","3","2","7","1") = "6"
    & skf21("7","6","4","4","3","3","1","1") = "6"
    & skf21("7","6","4","4","3","3","2","1") = "6"
    & skf21("7","6","4","4","3","3","3","1") = "6"
    & skf21("7","6","4","4","3","3","4","1") = "6"
    & skf21("7","6","4","4","3","3","5","1") = "6"
    & skf21("7","6","4","4","3","3","6","1") = "6"
    & skf21("7","6","4","4","3","3","7","1") = "6"
    & skf21("7","6","4","4","3","4","1","1") = "6"
    & skf21("7","6","4","4","3","4","2","1") = "6"
    & skf21("7","6","4","4","3","4","3","1") = "6"
    & skf21("7","6","4","4","3","4","4","1") = "6"
    & skf21("7","6","4","4","3","4","5","1") = "6"
    & skf21("7","6","4","4","3","4","6","1") = "6"
    & skf21("7","6","4","4","3","4","7","1") = "6"
    & skf21("7","6","4","4","3","5","1","1") = "6"
    & skf21("7","6","4","4","3","5","2","1") = "6"
    & skf21("7","6","4","4","3","5","3","1") = "6"
    & skf21("7","6","4","4","3","5","4","1") = "6"
    & skf21("7","6","4","4","3","5","5","1") = "6"
    & skf21("7","6","4","4","3","5","6","1") = "6"
    & skf21("7","6","4","4","3","5","7","1") = "6"
    & skf21("7","6","4","4","3","6","1","1") = "6"
    & skf21("7","6","4","4","3","6","2","1") = "6"
    & skf21("7","6","4","4","3","6","3","1") = "6"
    & skf21("7","6","4","4","3","6","4","1") = "6"
    & skf21("7","6","4","4","3","6","5","1") = "6"
    & skf21("7","6","4","4","3","6","6","1") = "6"
    & skf21("7","6","4","4","3","6","7","1") = "6"
    & skf21("7","6","4","4","3","7","1","1") = "6"
    & skf21("7","6","4","4","3","7","2","1") = "6"
    & skf21("7","6","4","4","3","7","3","1") = "6"
    & skf21("7","6","4","4","3","7","4","1") = "6"
    & skf21("7","6","4","4","3","7","5","1") = "6"
    & skf21("7","6","4","4","3","7","6","1") = "6"
    & skf21("7","6","4","4","3","7","7","1") = "6"
    & skf21("7","6","4","4","4","1","1","1") = "6"
    & skf21("7","6","4","4","4","1","2","1") = "6"
    & skf21("7","6","4","4","4","1","3","1") = "6"
    & skf21("7","6","4","4","4","1","4","1") = "6"
    & skf21("7","6","4","4","4","1","5","1") = "6"
    & skf21("7","6","4","4","4","1","6","1") = "6"
    & skf21("7","6","4","4","4","1","7","1") = "6"
    & skf21("7","6","4","4","4","2","1","1") = "6"
    & skf21("7","6","4","4","4","2","2","1") = "6"
    & skf21("7","6","4","4","4","2","3","1") = "6"
    & skf21("7","6","4","4","4","2","4","1") = "6"
    & skf21("7","6","4","4","4","2","5","1") = "6"
    & skf21("7","6","4","4","4","2","6","1") = "6"
    & skf21("7","6","4","4","4","2","7","1") = "6"
    & skf21("7","6","4","4","4","3","1","1") = "6"
    & skf21("7","6","4","4","4","3","2","1") = "6"
    & skf21("7","6","4","4","4","3","3","1") = "6"
    & skf21("7","6","4","4","4","3","4","1") = "6"
    & skf21("7","6","4","4","4","3","5","1") = "6"
    & skf21("7","6","4","4","4","3","6","1") = "6"
    & skf21("7","6","4","4","4","3","7","1") = "6"
    & skf21("7","6","4","4","4","4","1","1") = "6"
    & skf21("7","6","4","4","4","4","2","1") = "6"
    & skf21("7","6","4","4","4","4","3","1") = "6"
    & skf21("7","6","4","4","4","4","4","1") = "6"
    & skf21("7","6","4","4","4","4","5","1") = "6"
    & skf21("7","6","4","4","4","4","6","1") = "6"
    & skf21("7","6","4","4","4","4","7","1") = "6"
    & skf21("7","6","4","4","4","5","1","1") = "6"
    & skf21("7","6","4","4","4","5","2","1") = "6"
    & skf21("7","6","4","4","4","5","3","1") = "6"
    & skf21("7","6","4","4","4","5","4","1") = "6"
    & skf21("7","6","4","4","4","5","5","1") = "6"
    & skf21("7","6","4","4","4","5","6","1") = "6"
    & skf21("7","6","4","4","4","5","7","1") = "6"
    & skf21("7","6","4","4","4","6","1","1") = "6"
    & skf21("7","6","4","4","4","6","2","1") = "6"
    & skf21("7","6","4","4","4","6","3","1") = "6"
    & skf21("7","6","4","4","4","6","4","1") = "6"
    & skf21("7","6","4","4","4","6","5","1") = "6"
    & skf21("7","6","4","4","4","6","6","1") = "6"
    & skf21("7","6","4","4","4","6","7","1") = "6"
    & skf21("7","6","4","4","4","7","1","1") = "6"
    & skf21("7","6","4","4","4","7","2","1") = "6"
    & skf21("7","6","4","4","4","7","3","1") = "6"
    & skf21("7","6","4","4","4","7","4","1") = "6"
    & skf21("7","6","4","4","4","7","5","1") = "6"
    & skf21("7","6","4","4","4","7","6","1") = "6"
    & skf21("7","6","4","4","4","7","7","1") = "6"
    & skf21("7","6","4","4","5","1","1","1") = "6"
    & skf21("7","6","4","4","5","1","2","1") = "6"
    & skf21("7","6","4","4","5","1","3","1") = "6"
    & skf21("7","6","4","4","5","1","4","1") = "6"
    & skf21("7","6","4","4","5","1","5","1") = "6"
    & skf21("7","6","4","4","5","1","6","1") = "6"
    & skf21("7","6","4","4","5","1","7","1") = "6"
    & skf21("7","6","4","4","5","2","1","1") = "6"
    & skf21("7","6","4","4","5","2","2","1") = "6"
    & skf21("7","6","4","4","5","2","3","1") = "6"
    & skf21("7","6","4","4","5","2","4","1") = "6"
    & skf21("7","6","4","4","5","2","5","1") = "6"
    & skf21("7","6","4","4","5","2","6","1") = "6"
    & skf21("7","6","4","4","5","2","7","1") = "6"
    & skf21("7","6","4","4","5","3","1","1") = "6"
    & skf21("7","6","4","4","5","3","2","1") = "6"
    & skf21("7","6","4","4","5","3","3","1") = "6"
    & skf21("7","6","4","4","5","3","4","1") = "6"
    & skf21("7","6","4","4","5","3","5","1") = "6"
    & skf21("7","6","4","4","5","3","6","1") = "6"
    & skf21("7","6","4","4","5","3","7","1") = "6"
    & skf21("7","6","4","4","5","4","1","1") = "6"
    & skf21("7","6","4","4","5","4","2","1") = "6"
    & skf21("7","6","4","4","5","4","3","1") = "6"
    & skf21("7","6","4","4","5","4","4","1") = "6"
    & skf21("7","6","4","4","5","4","5","1") = "6"
    & skf21("7","6","4","4","5","4","6","1") = "6"
    & skf21("7","6","4","4","5","4","7","1") = "6"
    & skf21("7","6","4","4","5","5","1","1") = "6"
    & skf21("7","6","4","4","5","5","2","1") = "6"
    & skf21("7","6","4","4","5","5","3","1") = "6"
    & skf21("7","6","4","4","5","5","4","1") = "6"
    & skf21("7","6","4","4","5","5","5","1") = "6"
    & skf21("7","6","4","4","5","5","6","1") = "6"
    & skf21("7","6","4","4","5","5","7","1") = "6"
    & skf21("7","6","4","4","5","6","1","1") = "6"
    & skf21("7","6","4","4","5","6","2","1") = "6"
    & skf21("7","6","4","4","5","6","3","1") = "6"
    & skf21("7","6","4","4","5","6","4","1") = "6"
    & skf21("7","6","4","4","5","6","5","1") = "6"
    & skf21("7","6","4","4","5","6","6","1") = "6"
    & skf21("7","6","4","4","5","6","7","1") = "6"
    & skf21("7","6","4","4","5","7","1","1") = "6"
    & skf21("7","6","4","4","5","7","2","1") = "6"
    & skf21("7","6","4","4","5","7","3","1") = "6"
    & skf21("7","6","4","4","5","7","4","1") = "6"
    & skf21("7","6","4","4","5","7","5","1") = "6"
    & skf21("7","6","4","4","5","7","6","1") = "6"
    & skf21("7","6","4","4","5","7","7","1") = "6"
    & skf21("7","6","4","4","6","1","1","1") = "6"
    & skf21("7","6","4","4","6","1","2","1") = "6"
    & skf21("7","6","4","4","6","1","3","1") = "6"
    & skf21("7","6","4","4","6","1","4","1") = "6"
    & skf21("7","6","4","4","6","1","5","1") = "6"
    & skf21("7","6","4","4","6","1","6","1") = "6"
    & skf21("7","6","4","4","6","1","7","1") = "6"
    & skf21("7","6","4","4","6","2","1","1") = "6"
    & skf21("7","6","4","4","6","2","2","1") = "6"
    & skf21("7","6","4","4","6","2","3","1") = "6"
    & skf21("7","6","4","4","6","2","4","1") = "6"
    & skf21("7","6","4","4","6","2","5","1") = "6"
    & skf21("7","6","4","4","6","2","6","1") = "6"
    & skf21("7","6","4","4","6","2","7","1") = "6"
    & skf21("7","6","4","4","6","3","1","1") = "6"
    & skf21("7","6","4","4","6","3","2","1") = "6"
    & skf21("7","6","4","4","6","3","3","1") = "6"
    & skf21("7","6","4","4","6","3","4","1") = "6"
    & skf21("7","6","4","4","6","3","5","1") = "6"
    & skf21("7","6","4","4","6","3","6","1") = "6"
    & skf21("7","6","4","4","6","3","7","1") = "6"
    & skf21("7","6","4","4","6","4","1","1") = "6"
    & skf21("7","6","4","4","6","4","2","1") = "6"
    & skf21("7","6","4","4","6","4","3","1") = "6"
    & skf21("7","6","4","4","6","4","4","1") = "6"
    & skf21("7","6","4","4","6","4","5","1") = "6"
    & skf21("7","6","4","4","6","4","6","1") = "6"
    & skf21("7","6","4","4","6","4","7","1") = "6"
    & skf21("7","6","4","4","6","5","1","1") = "6"
    & skf21("7","6","4","4","6","5","2","1") = "6"
    & skf21("7","6","4","4","6","5","3","1") = "6"
    & skf21("7","6","4","4","6","5","4","1") = "6"
    & skf21("7","6","4","4","6","5","5","1") = "6"
    & skf21("7","6","4","4","6","5","6","1") = "6"
    & skf21("7","6","4","4","6","5","7","1") = "6"
    & skf21("7","6","4","4","6","6","1","1") = "6"
    & skf21("7","6","4","4","6","6","2","1") = "6"
    & skf21("7","6","4","4","6","6","3","1") = "6"
    & skf21("7","6","4","4","6","6","4","1") = "6"
    & skf21("7","6","4","4","6","6","5","1") = "6"
    & skf21("7","6","4","4","6","6","6","1") = "6"
    & skf21("7","6","4","4","6","6","7","1") = "6"
    & skf21("7","6","4","4","6","7","1","1") = "6"
    & skf21("7","6","4","4","6","7","2","1") = "6"
    & skf21("7","6","4","4","6","7","3","1") = "6"
    & skf21("7","6","4","4","6","7","4","1") = "6"
    & skf21("7","6","4","4","6","7","5","1") = "6"
    & skf21("7","6","4","4","6","7","6","1") = "6"
    & skf21("7","6","4","4","6","7","7","1") = "6"
    & skf21("7","6","4","4","7","1","1","1") = "6"
    & skf21("7","6","4","4","7","1","2","1") = "6"
    & skf21("7","6","4","4","7","1","3","1") = "6"
    & skf21("7","6","4","4","7","1","4","1") = "6"
    & skf21("7","6","4","4","7","1","5","1") = "6"
    & skf21("7","6","4","4","7","1","6","1") = "6"
    & skf21("7","6","4","4","7","1","7","1") = "6"
    & skf21("7","6","4","4","7","2","1","1") = "6"
    & skf21("7","6","4","4","7","2","2","1") = "6"
    & skf21("7","6","4","4","7","2","3","1") = "6"
    & skf21("7","6","4","4","7","2","4","1") = "6"
    & skf21("7","6","4","4","7","2","5","1") = "6"
    & skf21("7","6","4","4","7","2","6","1") = "6"
    & skf21("7","6","4","4","7","2","7","1") = "6"
    & skf21("7","6","4","4","7","3","1","1") = "6"
    & skf21("7","6","4","4","7","3","2","1") = "6"
    & skf21("7","6","4","4","7","3","3","1") = "6"
    & skf21("7","6","4","4","7","3","4","1") = "6"
    & skf21("7","6","4","4","7","3","5","1") = "6"
    & skf21("7","6","4","4","7","3","6","1") = "6"
    & skf21("7","6","4","4","7","3","7","1") = "6"
    & skf21("7","6","4","4","7","4","1","1") = "6"
    & skf21("7","6","4","4","7","4","2","1") = "6"
    & skf21("7","6","4","4","7","4","3","1") = "6"
    & skf21("7","6","4","4","7","4","4","1") = "6"
    & skf21("7","6","4","4","7","4","5","1") = "6"
    & skf21("7","6","4","4","7","4","6","1") = "6"
    & skf21("7","6","4","4","7","4","7","1") = "6"
    & skf21("7","6","4","4","7","5","1","1") = "6"
    & skf21("7","6","4","4","7","5","2","1") = "6"
    & skf21("7","6","4","4","7","5","3","1") = "6"
    & skf21("7","6","4","4","7","5","4","1") = "6"
    & skf21("7","6","4","4","7","5","5","1") = "6"
    & skf21("7","6","4","4","7","5","6","1") = "6"
    & skf21("7","6","4","4","7","5","7","1") = "6"
    & skf21("7","6","4","4","7","6","1","1") = "6"
    & skf21("7","6","4","4","7","6","2","1") = "6"
    & skf21("7","6","4","4","7","6","3","1") = "6"
    & skf21("7","6","4","4","7","6","4","1") = "6"
    & skf21("7","6","4","4","7","6","5","1") = "6"
    & skf21("7","6","4","4","7","6","6","1") = "6"
    & skf21("7","6","4","4","7","6","7","1") = "6"
    & skf21("7","6","4","4","7","7","1","1") = "6"
    & skf21("7","6","4","4","7","7","2","1") = "6"
    & skf21("7","6","4","4","7","7","3","1") = "6"
    & skf21("7","6","4","4","7","7","4","1") = "6"
    & skf21("7","6","4","4","7","7","5","1") = "6"
    & skf21("7","6","4","4","7","7","6","1") = "6"
    & skf21("7","6","4","4","7","7","7","1") = "6"
    & skf21("7","6","4","5","1","1","1","1") = "6"
    & skf21("7","6","4","5","1","1","2","1") = "6"
    & skf21("7","6","4","5","1","1","3","1") = "6"
    & skf21("7","6","4","5","1","1","4","1") = "6"
    & skf21("7","6","4","5","1","1","5","1") = "6"
    & skf21("7","6","4","5","1","1","6","1") = "6"
    & skf21("7","6","4","5","1","1","7","1") = "6"
    & skf21("7","6","4","5","1","2","1","1") = "6"
    & skf21("7","6","4","5","1","2","2","1") = "6"
    & skf21("7","6","4","5","1","2","3","1") = "6"
    & skf21("7","6","4","5","1","2","4","1") = "6"
    & skf21("7","6","4","5","1","2","5","1") = "6"
    & skf21("7","6","4","5","1","2","6","1") = "6"
    & skf21("7","6","4","5","1","2","7","1") = "6"
    & skf21("7","6","4","5","1","3","1","1") = "6"
    & skf21("7","6","4","5","1","3","2","1") = "6"
    & skf21("7","6","4","5","1","3","3","1") = "6"
    & skf21("7","6","4","5","1","3","4","1") = "6"
    & skf21("7","6","4","5","1","3","5","1") = "6"
    & skf21("7","6","4","5","1","3","6","1") = "6"
    & skf21("7","6","4","5","1","3","7","1") = "6"
    & skf21("7","6","4","5","1","4","1","1") = "6"
    & skf21("7","6","4","5","1","4","2","1") = "6"
    & skf21("7","6","4","5","1","4","3","1") = "6"
    & skf21("7","6","4","5","1","4","4","1") = "6"
    & skf21("7","6","4","5","1","4","5","1") = "6"
    & skf21("7","6","4","5","1","4","6","1") = "6"
    & skf21("7","6","4","5","1","4","7","1") = "6"
    & skf21("7","6","4","5","1","5","1","1") = "6"
    & skf21("7","6","4","5","1","5","2","1") = "6"
    & skf21("7","6","4","5","1","5","3","1") = "6"
    & skf21("7","6","4","5","1","5","4","1") = "6"
    & skf21("7","6","4","5","1","5","5","1") = "6"
    & skf21("7","6","4","5","1","5","6","1") = "6"
    & skf21("7","6","4","5","1","5","7","1") = "6"
    & skf21("7","6","4","5","1","6","1","1") = "6"
    & skf21("7","6","4","5","1","6","2","1") = "6"
    & skf21("7","6","4","5","1","6","3","1") = "6"
    & skf21("7","6","4","5","1","6","4","1") = "6"
    & skf21("7","6","4","5","1","6","5","1") = "6"
    & skf21("7","6","4","5","1","6","6","1") = "6"
    & skf21("7","6","4","5","1","6","7","1") = "6"
    & skf21("7","6","4","5","1","7","1","1") = "6"
    & skf21("7","6","4","5","1","7","2","1") = "6"
    & skf21("7","6","4","5","1","7","3","1") = "6"
    & skf21("7","6","4","5","1","7","4","1") = "6"
    & skf21("7","6","4","5","1","7","5","1") = "6"
    & skf21("7","6","4","5","1","7","6","1") = "6"
    & skf21("7","6","4","5","1","7","7","1") = "6"
    & skf21("7","6","4","5","2","1","1","1") = "6"
    & skf21("7","6","4","5","2","1","2","1") = "6"
    & skf21("7","6","4","5","2","1","3","1") = "6"
    & skf21("7","6","4","5","2","1","4","1") = "6"
    & skf21("7","6","4","5","2","1","5","1") = "6"
    & skf21("7","6","4","5","2","1","6","1") = "6"
    & skf21("7","6","4","5","2","1","7","1") = "6"
    & skf21("7","6","4","5","2","2","1","1") = "6"
    & skf21("7","6","4","5","2","2","2","1") = "6"
    & skf21("7","6","4","5","2","2","3","1") = "6"
    & skf21("7","6","4","5","2","2","4","1") = "6"
    & skf21("7","6","4","5","2","2","5","1") = "6"
    & skf21("7","6","4","5","2","2","6","1") = "6"
    & skf21("7","6","4","5","2","2","7","1") = "6"
    & skf21("7","6","4","5","2","3","1","1") = "6"
    & skf21("7","6","4","5","2","3","2","1") = "6"
    & skf21("7","6","4","5","2","3","3","1") = "6"
    & skf21("7","6","4","5","2","3","4","1") = "6"
    & skf21("7","6","4","5","2","3","5","1") = "6"
    & skf21("7","6","4","5","2","3","6","1") = "6"
    & skf21("7","6","4","5","2","3","7","1") = "6"
    & skf21("7","6","4","5","2","4","1","1") = "6"
    & skf21("7","6","4","5","2","4","2","1") = "6"
    & skf21("7","6","4","5","2","4","3","1") = "6"
    & skf21("7","6","4","5","2","4","4","1") = "6"
    & skf21("7","6","4","5","2","4","5","1") = "6"
    & skf21("7","6","4","5","2","4","6","1") = "6"
    & skf21("7","6","4","5","2","4","7","1") = "6"
    & skf21("7","6","4","5","2","5","1","1") = "6"
    & skf21("7","6","4","5","2","5","2","1") = "6"
    & skf21("7","6","4","5","2","5","3","1") = "6"
    & skf21("7","6","4","5","2","5","4","1") = "6"
    & skf21("7","6","4","5","2","5","5","1") = "6"
    & skf21("7","6","4","5","2","5","6","1") = "6"
    & skf21("7","6","4","5","2","5","7","1") = "6"
    & skf21("7","6","4","5","2","6","1","1") = "6"
    & skf21("7","6","4","5","2","6","2","1") = "6"
    & skf21("7","6","4","5","2","6","3","1") = "6"
    & skf21("7","6","4","5","2","6","4","1") = "6"
    & skf21("7","6","4","5","2","6","5","1") = "6"
    & skf21("7","6","4","5","2","6","6","1") = "6"
    & skf21("7","6","4","5","2","6","7","1") = "6"
    & skf21("7","6","4","5","2","7","1","1") = "6"
    & skf21("7","6","4","5","2","7","2","1") = "6"
    & skf21("7","6","4","5","2","7","3","1") = "6"
    & skf21("7","6","4","5","2","7","4","1") = "6"
    & skf21("7","6","4","5","2","7","5","1") = "6"
    & skf21("7","6","4","5","2","7","6","1") = "6"
    & skf21("7","6","4","5","2","7","7","1") = "6"
    & skf21("7","6","4","5","3","1","1","1") = "6"
    & skf21("7","6","4","5","3","1","2","1") = "6"
    & skf21("7","6","4","5","3","1","3","1") = "6"
    & skf21("7","6","4","5","3","1","4","1") = "6"
    & skf21("7","6","4","5","3","1","5","1") = "6"
    & skf21("7","6","4","5","3","1","6","1") = "6"
    & skf21("7","6","4","5","3","1","7","1") = "6"
    & skf21("7","6","4","5","3","2","1","1") = "6"
    & skf21("7","6","4","5","3","2","2","1") = "6"
    & skf21("7","6","4","5","3","2","3","1") = "6"
    & skf21("7","6","4","5","3","2","4","1") = "6"
    & skf21("7","6","4","5","3","2","5","1") = "6"
    & skf21("7","6","4","5","3","2","6","1") = "6"
    & skf21("7","6","4","5","3","2","7","1") = "6"
    & skf21("7","6","4","5","3","3","1","1") = "6"
    & skf21("7","6","4","5","3","3","2","1") = "6"
    & skf21("7","6","4","5","3","3","3","1") = "6"
    & skf21("7","6","4","5","3","3","4","1") = "6"
    & skf21("7","6","4","5","3","3","5","1") = "6"
    & skf21("7","6","4","5","3","3","6","1") = "6"
    & skf21("7","6","4","5","3","3","7","1") = "6"
    & skf21("7","6","4","5","3","4","1","1") = "6"
    & skf21("7","6","4","5","3","4","2","1") = "6"
    & skf21("7","6","4","5","3","4","3","1") = "6"
    & skf21("7","6","4","5","3","4","4","1") = "6"
    & skf21("7","6","4","5","3","4","5","1") = "6"
    & skf21("7","6","4","5","3","4","6","1") = "6"
    & skf21("7","6","4","5","3","4","7","1") = "6"
    & skf21("7","6","4","5","3","5","1","1") = "6"
    & skf21("7","6","4","5","3","5","2","1") = "6"
    & skf21("7","6","4","5","3","5","3","1") = "6"
    & skf21("7","6","4","5","3","5","4","1") = "6"
    & skf21("7","6","4","5","3","5","5","1") = "6"
    & skf21("7","6","4","5","3","5","6","1") = "6"
    & skf21("7","6","4","5","3","5","7","1") = "6"
    & skf21("7","6","4","5","3","6","1","1") = "6"
    & skf21("7","6","4","5","3","6","2","1") = "6"
    & skf21("7","6","4","5","3","6","3","1") = "6"
    & skf21("7","6","4","5","3","6","4","1") = "6"
    & skf21("7","6","4","5","3","6","5","1") = "6"
    & skf21("7","6","4","5","3","6","6","1") = "6"
    & skf21("7","6","4","5","3","6","7","1") = "6"
    & skf21("7","6","4","5","3","7","1","1") = "6"
    & skf21("7","6","4","5","3","7","2","1") = "6"
    & skf21("7","6","4","5","3","7","3","1") = "6"
    & skf21("7","6","4","5","3","7","4","1") = "6"
    & skf21("7","6","4","5","3","7","5","1") = "6"
    & skf21("7","6","4","5","3","7","6","1") = "6"
    & skf21("7","6","4","5","3","7","7","1") = "6"
    & skf21("7","6","4","5","4","1","1","1") = "6"
    & skf21("7","6","4","5","4","1","2","1") = "6"
    & skf21("7","6","4","5","4","1","3","1") = "6"
    & skf21("7","6","4","5","4","1","4","1") = "6"
    & skf21("7","6","4","5","4","1","5","1") = "6"
    & skf21("7","6","4","5","4","1","6","1") = "6"
    & skf21("7","6","4","5","4","1","7","1") = "6"
    & skf21("7","6","4","5","4","2","1","1") = "6"
    & skf21("7","6","4","5","4","2","2","1") = "6"
    & skf21("7","6","4","5","4","2","3","1") = "6"
    & skf21("7","6","4","5","4","2","4","1") = "6"
    & skf21("7","6","4","5","4","2","5","1") = "6"
    & skf21("7","6","4","5","4","2","6","1") = "6"
    & skf21("7","6","4","5","4","2","7","1") = "6"
    & skf21("7","6","4","5","4","3","1","1") = "6"
    & skf21("7","6","4","5","4","3","2","1") = "6"
    & skf21("7","6","4","5","4","3","3","1") = "6"
    & skf21("7","6","4","5","4","3","4","1") = "6"
    & skf21("7","6","4","5","4","3","5","1") = "6"
    & skf21("7","6","4","5","4","3","6","1") = "6"
    & skf21("7","6","4","5","4","3","7","1") = "6"
    & skf21("7","6","4","5","4","4","1","1") = "6"
    & skf21("7","6","4","5","4","4","2","1") = "6"
    & skf21("7","6","4","5","4","4","3","1") = "6"
    & skf21("7","6","4","5","4","4","4","1") = "6"
    & skf21("7","6","4","5","4","4","5","1") = "6"
    & skf21("7","6","4","5","4","4","6","1") = "6"
    & skf21("7","6","4","5","4","4","7","1") = "6"
    & skf21("7","6","4","5","4","5","1","1") = "6"
    & skf21("7","6","4","5","4","5","2","1") = "6"
    & skf21("7","6","4","5","4","5","3","1") = "6"
    & skf21("7","6","4","5","4","5","4","1") = "6"
    & skf21("7","6","4","5","4","5","5","1") = "6"
    & skf21("7","6","4","5","4","5","6","1") = "6"
    & skf21("7","6","4","5","4","5","7","1") = "6"
    & skf21("7","6","4","5","4","6","1","1") = "6"
    & skf21("7","6","4","5","4","6","2","1") = "6"
    & skf21("7","6","4","5","4","6","3","1") = "6"
    & skf21("7","6","4","5","4","6","4","1") = "6"
    & skf21("7","6","4","5","4","6","5","1") = "6"
    & skf21("7","6","4","5","4","6","6","1") = "6"
    & skf21("7","6","4","5","4","6","7","1") = "6"
    & skf21("7","6","4","5","4","7","1","1") = "6"
    & skf21("7","6","4","5","4","7","2","1") = "6"
    & skf21("7","6","4","5","4","7","3","1") = "6"
    & skf21("7","6","4","5","4","7","4","1") = "6"
    & skf21("7","6","4","5","4","7","5","1") = "6"
    & skf21("7","6","4","5","4","7","6","1") = "6"
    & skf21("7","6","4","5","4","7","7","1") = "6"
    & skf21("7","6","4","5","5","1","1","1") = "6"
    & skf21("7","6","4","5","5","1","2","1") = "6"
    & skf21("7","6","4","5","5","1","3","1") = "6"
    & skf21("7","6","4","5","5","1","4","1") = "6"
    & skf21("7","6","4","5","5","1","5","1") = "6"
    & skf21("7","6","4","5","5","1","6","1") = "6"
    & skf21("7","6","4","5","5","1","7","1") = "6"
    & skf21("7","6","4","5","5","2","1","1") = "6"
    & skf21("7","6","4","5","5","2","2","1") = "6"
    & skf21("7","6","4","5","5","2","3","1") = "6"
    & skf21("7","6","4","5","5","2","4","1") = "6"
    & skf21("7","6","4","5","5","2","5","1") = "6"
    & skf21("7","6","4","5","5","2","6","1") = "6"
    & skf21("7","6","4","5","5","2","7","1") = "6"
    & skf21("7","6","4","5","5","3","1","1") = "6"
    & skf21("7","6","4","5","5","3","2","1") = "6"
    & skf21("7","6","4","5","5","3","3","1") = "6"
    & skf21("7","6","4","5","5","3","4","1") = "6"
    & skf21("7","6","4","5","5","3","5","1") = "6"
    & skf21("7","6","4","5","5","3","6","1") = "6"
    & skf21("7","6","4","5","5","3","7","1") = "6"
    & skf21("7","6","4","5","5","4","1","1") = "6"
    & skf21("7","6","4","5","5","4","2","1") = "6"
    & skf21("7","6","4","5","5","4","3","1") = "6"
    & skf21("7","6","4","5","5","4","4","1") = "6"
    & skf21("7","6","4","5","5","4","5","1") = "6"
    & skf21("7","6","4","5","5","4","6","1") = "6"
    & skf21("7","6","4","5","5","4","7","1") = "6"
    & skf21("7","6","4","5","5","5","1","1") = "6"
    & skf21("7","6","4","5","5","5","2","1") = "6"
    & skf21("7","6","4","5","5","5","3","1") = "6"
    & skf21("7","6","4","5","5","5","4","1") = "6"
    & skf21("7","6","4","5","5","5","5","1") = "6"
    & skf21("7","6","4","5","5","5","6","1") = "6"
    & skf21("7","6","4","5","5","5","7","1") = "6"
    & skf21("7","6","4","5","5","6","1","1") = "6"
    & skf21("7","6","4","5","5","6","2","1") = "6"
    & skf21("7","6","4","5","5","6","3","1") = "6"
    & skf21("7","6","4","5","5","6","4","1") = "6"
    & skf21("7","6","4","5","5","6","5","1") = "6"
    & skf21("7","6","4","5","5","6","6","1") = "6"
    & skf21("7","6","4","5","5","6","7","1") = "6"
    & skf21("7","6","4","5","5","7","1","1") = "6"
    & skf21("7","6","4","5","5","7","2","1") = "6"
    & skf21("7","6","4","5","5","7","3","1") = "6"
    & skf21("7","6","4","5","5","7","4","1") = "6"
    & skf21("7","6","4","5","5","7","5","1") = "6"
    & skf21("7","6","4","5","5","7","6","1") = "6"
    & skf21("7","6","4","5","5","7","7","1") = "6"
    & skf21("7","6","4","5","6","1","1","1") = "6"
    & skf21("7","6","4","5","6","1","2","1") = "6"
    & skf21("7","6","4","5","6","1","3","1") = "6"
    & skf21("7","6","4","5","6","1","4","1") = "6"
    & skf21("7","6","4","5","6","1","5","1") = "6"
    & skf21("7","6","4","5","6","1","6","1") = "6"
    & skf21("7","6","4","5","6","1","7","1") = "6"
    & skf21("7","6","4","5","6","2","1","1") = "6"
    & skf21("7","6","4","5","6","2","2","1") = "6"
    & skf21("7","6","4","5","6","2","3","1") = "6"
    & skf21("7","6","4","5","6","2","4","1") = "6"
    & skf21("7","6","4","5","6","2","5","1") = "6"
    & skf21("7","6","4","5","6","2","6","1") = "6"
    & skf21("7","6","4","5","6","2","7","1") = "6"
    & skf21("7","6","4","5","6","3","1","1") = "6"
    & skf21("7","6","4","5","6","3","2","1") = "6"
    & skf21("7","6","4","5","6","3","3","1") = "6"
    & skf21("7","6","4","5","6","3","4","1") = "6"
    & skf21("7","6","4","5","6","3","5","1") = "6"
    & skf21("7","6","4","5","6","3","6","1") = "6"
    & skf21("7","6","4","5","6","3","7","1") = "6"
    & skf21("7","6","4","5","6","4","1","1") = "6"
    & skf21("7","6","4","5","6","4","2","1") = "6"
    & skf21("7","6","4","5","6","4","3","1") = "6"
    & skf21("7","6","4","5","6","4","4","1") = "6"
    & skf21("7","6","4","5","6","4","5","1") = "6"
    & skf21("7","6","4","5","6","4","6","1") = "6"
    & skf21("7","6","4","5","6","4","7","1") = "6"
    & skf21("7","6","4","5","6","5","1","1") = "6"
    & skf21("7","6","4","5","6","5","2","1") = "6"
    & skf21("7","6","4","5","6","5","3","1") = "6"
    & skf21("7","6","4","5","6","5","4","1") = "6"
    & skf21("7","6","4","5","6","5","5","1") = "6"
    & skf21("7","6","4","5","6","5","6","1") = "6"
    & skf21("7","6","4","5","6","5","7","1") = "6"
    & skf21("7","6","4","5","6","6","1","1") = "6"
    & skf21("7","6","4","5","6","6","2","1") = "6"
    & skf21("7","6","4","5","6","6","3","1") = "6"
    & skf21("7","6","4","5","6","6","4","1") = "6"
    & skf21("7","6","4","5","6","6","5","1") = "6"
    & skf21("7","6","4","5","6","6","6","1") = "6"
    & skf21("7","6","4","5","6","6","7","1") = "6"
    & skf21("7","6","4","5","6","7","1","1") = "6"
    & skf21("7","6","4","5","6","7","2","1") = "6"
    & skf21("7","6","4","5","6","7","3","1") = "6"
    & skf21("7","6","4","5","6","7","4","1") = "6"
    & skf21("7","6","4","5","6","7","5","1") = "6"
    & skf21("7","6","4","5","6","7","6","1") = "6"
    & skf21("7","6","4","5","6","7","7","1") = "6"
    & skf21("7","6","4","5","7","1","1","1") = "6"
    & skf21("7","6","4","5","7","1","2","1") = "6"
    & skf21("7","6","4","5","7","1","3","1") = "6"
    & skf21("7","6","4","5","7","1","4","1") = "6"
    & skf21("7","6","4","5","7","1","5","1") = "6"
    & skf21("7","6","4","5","7","1","6","1") = "6"
    & skf21("7","6","4","5","7","1","7","1") = "6"
    & skf21("7","6","4","5","7","2","1","1") = "6"
    & skf21("7","6","4","5","7","2","2","1") = "6"
    & skf21("7","6","4","5","7","2","3","1") = "6"
    & skf21("7","6","4","5","7","2","4","1") = "6"
    & skf21("7","6","4","5","7","2","5","1") = "6"
    & skf21("7","6","4","5","7","2","6","1") = "6"
    & skf21("7","6","4","5","7","2","7","1") = "6"
    & skf21("7","6","4","5","7","3","1","1") = "6"
    & skf21("7","6","4","5","7","3","2","1") = "6"
    & skf21("7","6","4","5","7","3","3","1") = "6"
    & skf21("7","6","4","5","7","3","4","1") = "6"
    & skf21("7","6","4","5","7","3","5","1") = "6"
    & skf21("7","6","4","5","7","3","6","1") = "6"
    & skf21("7","6","4","5","7","3","7","1") = "6"
    & skf21("7","6","4","5","7","4","1","1") = "6"
    & skf21("7","6","4","5","7","4","2","1") = "6"
    & skf21("7","6","4","5","7","4","3","1") = "6"
    & skf21("7","6","4","5","7","4","4","1") = "6"
    & skf21("7","6","4","5","7","4","5","1") = "6"
    & skf21("7","6","4","5","7","4","6","1") = "6"
    & skf21("7","6","4","5","7","4","7","1") = "6"
    & skf21("7","6","4","5","7","5","1","1") = "6"
    & skf21("7","6","4","5","7","5","2","1") = "6"
    & skf21("7","6","4","5","7","5","3","1") = "6"
    & skf21("7","6","4","5","7","5","4","1") = "6"
    & skf21("7","6","4","5","7","5","5","1") = "6"
    & skf21("7","6","4","5","7","5","6","1") = "6"
    & skf21("7","6","4","5","7","5","7","1") = "6"
    & skf21("7","6","4","5","7","6","1","1") = "6"
    & skf21("7","6","4","5","7","6","2","1") = "6"
    & skf21("7","6","4","5","7","6","3","1") = "6"
    & skf21("7","6","4","5","7","6","4","1") = "6"
    & skf21("7","6","4","5","7","6","5","1") = "6"
    & skf21("7","6","4","5","7","6","6","1") = "6"
    & skf21("7","6","4","5","7","6","7","1") = "6"
    & skf21("7","6","4","5","7","7","1","1") = "6"
    & skf21("7","6","4","5","7","7","2","1") = "6"
    & skf21("7","6","4","5","7","7","3","1") = "6"
    & skf21("7","6","4","5","7","7","4","1") = "6"
    & skf21("7","6","4","5","7","7","5","1") = "6"
    & skf21("7","6","4","5","7","7","6","1") = "6"
    & skf21("7","6","4","5","7","7","7","1") = "6"
    & skf21("7","6","4","6","1","1","1","1") = "6"
    & skf21("7","6","4","6","1","1","2","1") = "6"
    & skf21("7","6","4","6","1","1","3","1") = "6"
    & skf21("7","6","4","6","1","1","4","1") = "6"
    & skf21("7","6","4","6","1","1","5","1") = "6"
    & skf21("7","6","4","6","1","1","6","1") = "6"
    & skf21("7","6","4","6","1","1","7","1") = "6"
    & skf21("7","6","4","6","1","2","1","1") = "6"
    & skf21("7","6","4","6","1","2","2","1") = "6"
    & skf21("7","6","4","6","1","2","3","1") = "6"
    & skf21("7","6","4","6","1","2","4","1") = "6"
    & skf21("7","6","4","6","1","2","5","1") = "6"
    & skf21("7","6","4","6","1","2","6","1") = "6"
    & skf21("7","6","4","6","1","2","7","1") = "6"
    & skf21("7","6","4","6","1","3","1","1") = "6"
    & skf21("7","6","4","6","1","3","2","1") = "6"
    & skf21("7","6","4","6","1","3","3","1") = "6"
    & skf21("7","6","4","6","1","3","4","1") = "6"
    & skf21("7","6","4","6","1","3","5","1") = "6"
    & skf21("7","6","4","6","1","3","6","1") = "6"
    & skf21("7","6","4","6","1","3","7","1") = "6"
    & skf21("7","6","4","6","1","4","1","1") = "6"
    & skf21("7","6","4","6","1","4","2","1") = "6"
    & skf21("7","6","4","6","1","4","3","1") = "6"
    & skf21("7","6","4","6","1","4","4","1") = "6"
    & skf21("7","6","4","6","1","4","5","1") = "6"
    & skf21("7","6","4","6","1","4","6","1") = "6"
    & skf21("7","6","4","6","1","4","7","1") = "6"
    & skf21("7","6","4","6","1","5","1","1") = "6"
    & skf21("7","6","4","6","1","5","2","1") = "6"
    & skf21("7","6","4","6","1","5","3","1") = "6"
    & skf21("7","6","4","6","1","5","4","1") = "6"
    & skf21("7","6","4","6","1","5","5","1") = "6"
    & skf21("7","6","4","6","1","5","6","1") = "6"
    & skf21("7","6","4","6","1","5","7","1") = "6"
    & skf21("7","6","4","6","1","6","1","1") = "6"
    & skf21("7","6","4","6","1","6","2","1") = "6"
    & skf21("7","6","4","6","1","6","3","1") = "6"
    & skf21("7","6","4","6","1","6","4","1") = "6"
    & skf21("7","6","4","6","1","6","5","1") = "6"
    & skf21("7","6","4","6","1","6","6","1") = "6"
    & skf21("7","6","4","6","1","6","7","1") = "6"
    & skf21("7","6","4","6","1","7","1","1") = "6"
    & skf21("7","6","4","6","1","7","2","1") = "6"
    & skf21("7","6","4","6","1","7","3","1") = "6"
    & skf21("7","6","4","6","1","7","4","1") = "6"
    & skf21("7","6","4","6","1","7","5","1") = "6"
    & skf21("7","6","4","6","1","7","6","1") = "6"
    & skf21("7","6","4","6","1","7","7","1") = "6"
    & skf21("7","6","4","6","2","1","1","1") = "6"
    & skf21("7","6","4","6","2","1","2","1") = "6"
    & skf21("7","6","4","6","2","1","3","1") = "6"
    & skf21("7","6","4","6","2","1","4","1") = "6"
    & skf21("7","6","4","6","2","1","5","1") = "6"
    & skf21("7","6","4","6","2","1","6","1") = "6"
    & skf21("7","6","4","6","2","1","7","1") = "6"
    & skf21("7","6","4","6","2","2","1","1") = "6"
    & skf21("7","6","4","6","2","2","2","1") = "6"
    & skf21("7","6","4","6","2","2","3","1") = "6"
    & skf21("7","6","4","6","2","2","4","1") = "6"
    & skf21("7","6","4","6","2","2","5","1") = "6"
    & skf21("7","6","4","6","2","2","6","1") = "6"
    & skf21("7","6","4","6","2","2","7","1") = "6"
    & skf21("7","6","4","6","2","3","1","1") = "6"
    & skf21("7","6","4","6","2","3","2","1") = "6"
    & skf21("7","6","4","6","2","3","3","1") = "6"
    & skf21("7","6","4","6","2","3","4","1") = "6"
    & skf21("7","6","4","6","2","3","5","1") = "6"
    & skf21("7","6","4","6","2","3","6","1") = "6"
    & skf21("7","6","4","6","2","3","7","1") = "6"
    & skf21("7","6","4","6","2","4","1","1") = "6"
    & skf21("7","6","4","6","2","4","2","1") = "6"
    & skf21("7","6","4","6","2","4","3","1") = "6"
    & skf21("7","6","4","6","2","4","4","1") = "6"
    & skf21("7","6","4","6","2","4","5","1") = "6"
    & skf21("7","6","4","6","2","4","6","1") = "6"
    & skf21("7","6","4","6","2","4","7","1") = "6"
    & skf21("7","6","4","6","2","5","1","1") = "6"
    & skf21("7","6","4","6","2","5","2","1") = "6"
    & skf21("7","6","4","6","2","5","3","1") = "6"
    & skf21("7","6","4","6","2","5","4","1") = "6"
    & skf21("7","6","4","6","2","5","5","1") = "6"
    & skf21("7","6","4","6","2","5","6","1") = "6"
    & skf21("7","6","4","6","2","5","7","1") = "6"
    & skf21("7","6","4","6","2","6","1","1") = "6"
    & skf21("7","6","4","6","2","6","2","1") = "6"
    & skf21("7","6","4","6","2","6","3","1") = "6"
    & skf21("7","6","4","6","2","6","4","1") = "6"
    & skf21("7","6","4","6","2","6","5","1") = "6"
    & skf21("7","6","4","6","2","6","6","1") = "6"
    & skf21("7","6","4","6","2","6","7","1") = "6"
    & skf21("7","6","4","6","2","7","1","1") = "6"
    & skf21("7","6","4","6","2","7","2","1") = "6"
    & skf21("7","6","4","6","2","7","3","1") = "6"
    & skf21("7","6","4","6","2","7","4","1") = "6"
    & skf21("7","6","4","6","2","7","5","1") = "6"
    & skf21("7","6","4","6","2","7","6","1") = "6"
    & skf21("7","6","4","6","2","7","7","1") = "6"
    & skf21("7","6","4","6","3","1","1","1") = "6"
    & skf21("7","6","4","6","3","1","2","1") = "6"
    & skf21("7","6","4","6","3","1","3","1") = "6"
    & skf21("7","6","4","6","3","1","4","1") = "6"
    & skf21("7","6","4","6","3","1","5","1") = "6"
    & skf21("7","6","4","6","3","1","6","1") = "6"
    & skf21("7","6","4","6","3","1","7","1") = "6"
    & skf21("7","6","4","6","3","2","1","1") = "6"
    & skf21("7","6","4","6","3","2","2","1") = "6"
    & skf21("7","6","4","6","3","2","3","1") = "6"
    & skf21("7","6","4","6","3","2","4","1") = "6"
    & skf21("7","6","4","6","3","2","5","1") = "6"
    & skf21("7","6","4","6","3","2","6","1") = "6"
    & skf21("7","6","4","6","3","2","7","1") = "6"
    & skf21("7","6","4","6","3","3","1","1") = "6"
    & skf21("7","6","4","6","3","3","2","1") = "6"
    & skf21("7","6","4","6","3","3","3","1") = "6"
    & skf21("7","6","4","6","3","3","4","1") = "6"
    & skf21("7","6","4","6","3","3","5","1") = "6"
    & skf21("7","6","4","6","3","3","6","1") = "6"
    & skf21("7","6","4","6","3","3","7","1") = "6"
    & skf21("7","6","4","6","3","4","1","1") = "6"
    & skf21("7","6","4","6","3","4","2","1") = "6"
    & skf21("7","6","4","6","3","4","3","1") = "6"
    & skf21("7","6","4","6","3","4","4","1") = "6"
    & skf21("7","6","4","6","3","4","5","1") = "6"
    & skf21("7","6","4","6","3","4","6","1") = "6"
    & skf21("7","6","4","6","3","4","7","1") = "6"
    & skf21("7","6","4","6","3","5","1","1") = "6"
    & skf21("7","6","4","6","3","5","2","1") = "6"
    & skf21("7","6","4","6","3","5","3","1") = "6"
    & skf21("7","6","4","6","3","5","4","1") = "6"
    & skf21("7","6","4","6","3","5","5","1") = "6"
    & skf21("7","6","4","6","3","5","6","1") = "6"
    & skf21("7","6","4","6","3","5","7","1") = "6"
    & skf21("7","6","4","6","3","6","1","1") = "6"
    & skf21("7","6","4","6","3","6","2","1") = "6"
    & skf21("7","6","4","6","3","6","3","1") = "6"
    & skf21("7","6","4","6","3","6","4","1") = "6"
    & skf21("7","6","4","6","3","6","5","1") = "6"
    & skf21("7","6","4","6","3","6","6","1") = "6"
    & skf21("7","6","4","6","3","6","7","1") = "6"
    & skf21("7","6","4","6","3","7","1","1") = "6"
    & skf21("7","6","4","6","3","7","2","1") = "6"
    & skf21("7","6","4","6","3","7","3","1") = "6"
    & skf21("7","6","4","6","3","7","4","1") = "6"
    & skf21("7","6","4","6","3","7","5","1") = "6"
    & skf21("7","6","4","6","3","7","6","1") = "6"
    & skf21("7","6","4","6","3","7","7","1") = "6"
    & skf21("7","6","4","6","4","1","1","1") = "6"
    & skf21("7","6","4","6","4","1","2","1") = "6"
    & skf21("7","6","4","6","4","1","3","1") = "6"
    & skf21("7","6","4","6","4","1","4","1") = "6"
    & skf21("7","6","4","6","4","1","5","1") = "6"
    & skf21("7","6","4","6","4","1","6","1") = "6"
    & skf21("7","6","4","6","4","1","7","1") = "6"
    & skf21("7","6","4","6","4","2","1","1") = "6"
    & skf21("7","6","4","6","4","2","2","1") = "6"
    & skf21("7","6","4","6","4","2","3","1") = "6"
    & skf21("7","6","4","6","4","2","4","1") = "6"
    & skf21("7","6","4","6","4","2","5","1") = "6"
    & skf21("7","6","4","6","4","2","6","1") = "6"
    & skf21("7","6","4","6","4","2","7","1") = "6"
    & skf21("7","6","4","6","4","3","1","1") = "6"
    & skf21("7","6","4","6","4","3","2","1") = "6"
    & skf21("7","6","4","6","4","3","3","1") = "6"
    & skf21("7","6","4","6","4","3","4","1") = "6"
    & skf21("7","6","4","6","4","3","5","1") = "6"
    & skf21("7","6","4","6","4","3","6","1") = "6"
    & skf21("7","6","4","6","4","3","7","1") = "6"
    & skf21("7","6","4","6","4","4","1","1") = "6"
    & skf21("7","6","4","6","4","4","2","1") = "6"
    & skf21("7","6","4","6","4","4","3","1") = "6"
    & skf21("7","6","4","6","4","4","4","1") = "6"
    & skf21("7","6","4","6","4","4","5","1") = "6"
    & skf21("7","6","4","6","4","4","6","1") = "6"
    & skf21("7","6","4","6","4","4","7","1") = "6"
    & skf21("7","6","4","6","4","5","1","1") = "6"
    & skf21("7","6","4","6","4","5","2","1") = "6"
    & skf21("7","6","4","6","4","5","3","1") = "6"
    & skf21("7","6","4","6","4","5","4","1") = "6"
    & skf21("7","6","4","6","4","5","5","1") = "6"
    & skf21("7","6","4","6","4","5","6","1") = "6"
    & skf21("7","6","4","6","4","5","7","1") = "6"
    & skf21("7","6","4","6","4","6","1","1") = "6"
    & skf21("7","6","4","6","4","6","2","1") = "6"
    & skf21("7","6","4","6","4","6","3","1") = "6"
    & skf21("7","6","4","6","4","6","4","1") = "6"
    & skf21("7","6","4","6","4","6","5","1") = "6"
    & skf21("7","6","4","6","4","6","6","1") = "6"
    & skf21("7","6","4","6","4","6","7","1") = "6"
    & skf21("7","6","4","6","4","7","1","1") = "6"
    & skf21("7","6","4","6","4","7","2","1") = "6"
    & skf21("7","6","4","6","4","7","3","1") = "6"
    & skf21("7","6","4","6","4","7","4","1") = "6"
    & skf21("7","6","4","6","4","7","5","1") = "6"
    & skf21("7","6","4","6","4","7","6","1") = "6"
    & skf21("7","6","4","6","4","7","7","1") = "6"
    & skf21("7","6","4","6","5","1","1","1") = "6"
    & skf21("7","6","4","6","5","1","2","1") = "6"
    & skf21("7","6","4","6","5","1","3","1") = "6"
    & skf21("7","6","4","6","5","1","4","1") = "6"
    & skf21("7","6","4","6","5","1","5","1") = "6"
    & skf21("7","6","4","6","5","1","6","1") = "6"
    & skf21("7","6","4","6","5","1","7","1") = "6"
    & skf21("7","6","4","6","5","2","1","1") = "6"
    & skf21("7","6","4","6","5","2","2","1") = "6"
    & skf21("7","6","4","6","5","2","3","1") = "6"
    & skf21("7","6","4","6","5","2","4","1") = "6"
    & skf21("7","6","4","6","5","2","5","1") = "6"
    & skf21("7","6","4","6","5","2","6","1") = "6"
    & skf21("7","6","4","6","5","2","7","1") = "6"
    & skf21("7","6","4","6","5","3","1","1") = "6"
    & skf21("7","6","4","6","5","3","2","1") = "6"
    & skf21("7","6","4","6","5","3","3","1") = "6"
    & skf21("7","6","4","6","5","3","4","1") = "6"
    & skf21("7","6","4","6","5","3","5","1") = "6"
    & skf21("7","6","4","6","5","3","6","1") = "6"
    & skf21("7","6","4","6","5","3","7","1") = "6"
    & skf21("7","6","4","6","5","4","1","1") = "6"
    & skf21("7","6","4","6","5","4","2","1") = "6"
    & skf21("7","6","4","6","5","4","3","1") = "6"
    & skf21("7","6","4","6","5","4","4","1") = "6"
    & skf21("7","6","4","6","5","4","5","1") = "6"
    & skf21("7","6","4","6","5","4","6","1") = "6"
    & skf21("7","6","4","6","5","4","7","1") = "6"
    & skf21("7","6","4","6","5","5","1","1") = "6"
    & skf21("7","6","4","6","5","5","2","1") = "6"
    & skf21("7","6","4","6","5","5","3","1") = "6"
    & skf21("7","6","4","6","5","5","4","1") = "6"
    & skf21("7","6","4","6","5","5","5","1") = "6"
    & skf21("7","6","4","6","5","5","6","1") = "6"
    & skf21("7","6","4","6","5","5","7","1") = "6"
    & skf21("7","6","4","6","5","6","1","1") = "6"
    & skf21("7","6","4","6","5","6","2","1") = "6"
    & skf21("7","6","4","6","5","6","3","1") = "6"
    & skf21("7","6","4","6","5","6","4","1") = "6"
    & skf21("7","6","4","6","5","6","5","1") = "6"
    & skf21("7","6","4","6","5","6","6","1") = "6"
    & skf21("7","6","4","6","5","6","7","1") = "6"
    & skf21("7","6","4","6","5","7","1","1") = "6"
    & skf21("7","6","4","6","5","7","2","1") = "6"
    & skf21("7","6","4","6","5","7","3","1") = "6"
    & skf21("7","6","4","6","5","7","4","1") = "6"
    & skf21("7","6","4","6","5","7","5","1") = "6"
    & skf21("7","6","4","6","5","7","6","1") = "6"
    & skf21("7","6","4","6","5","7","7","1") = "6"
    & skf21("7","6","4","6","6","1","1","1") = "6"
    & skf21("7","6","4","6","6","1","2","1") = "6"
    & skf21("7","6","4","6","6","1","3","1") = "6"
    & skf21("7","6","4","6","6","1","4","1") = "6"
    & skf21("7","6","4","6","6","1","5","1") = "6"
    & skf21("7","6","4","6","6","1","6","1") = "6"
    & skf21("7","6","4","6","6","1","7","1") = "6"
    & skf21("7","6","4","6","6","2","1","1") = "6"
    & skf21("7","6","4","6","6","2","2","1") = "6"
    & skf21("7","6","4","6","6","2","3","1") = "6"
    & skf21("7","6","4","6","6","2","4","1") = "6"
    & skf21("7","6","4","6","6","2","5","1") = "6"
    & skf21("7","6","4","6","6","2","6","1") = "6"
    & skf21("7","6","4","6","6","2","7","1") = "6"
    & skf21("7","6","4","6","6","3","1","1") = "6"
    & skf21("7","6","4","6","6","3","2","1") = "6"
    & skf21("7","6","4","6","6","3","3","1") = "6"
    & skf21("7","6","4","6","6","3","4","1") = "6"
    & skf21("7","6","4","6","6","3","5","1") = "6"
    & skf21("7","6","4","6","6","3","6","1") = "6"
    & skf21("7","6","4","6","6","3","7","1") = "6"
    & skf21("7","6","4","6","6","4","1","1") = "6"
    & skf21("7","6","4","6","6","4","2","1") = "6"
    & skf21("7","6","4","6","6","4","3","1") = "6"
    & skf21("7","6","4","6","6","4","4","1") = "6"
    & skf21("7","6","4","6","6","4","5","1") = "6"
    & skf21("7","6","4","6","6","4","6","1") = "6"
    & skf21("7","6","4","6","6","4","7","1") = "6"
    & skf21("7","6","4","6","6","5","1","1") = "6"
    & skf21("7","6","4","6","6","5","2","1") = "6"
    & skf21("7","6","4","6","6","5","3","1") = "6"
    & skf21("7","6","4","6","6","5","4","1") = "6"
    & skf21("7","6","4","6","6","5","5","1") = "6"
    & skf21("7","6","4","6","6","5","6","1") = "6"
    & skf21("7","6","4","6","6","5","7","1") = "6"
    & skf21("7","6","4","6","6","6","1","1") = "6"
    & skf21("7","6","4","6","6","6","2","1") = "6"
    & skf21("7","6","4","6","6","6","3","1") = "6"
    & skf21("7","6","4","6","6","6","4","1") = "6"
    & skf21("7","6","4","6","6","6","5","1") = "6"
    & skf21("7","6","4","6","6","6","6","1") = "6"
    & skf21("7","6","4","6","6","6","7","1") = "6"
    & skf21("7","6","4","6","6","7","1","1") = "6"
    & skf21("7","6","4","6","6","7","2","1") = "6"
    & skf21("7","6","4","6","6","7","3","1") = "6"
    & skf21("7","6","4","6","6","7","4","1") = "6"
    & skf21("7","6","4","6","6","7","5","1") = "6"
    & skf21("7","6","4","6","6","7","6","1") = "6"
    & skf21("7","6","4","6","6","7","7","1") = "6"
    & skf21("7","6","4","6","7","1","1","1") = "6"
    & skf21("7","6","4","6","7","1","2","1") = "6"
    & skf21("7","6","4","6","7","1","3","1") = "6"
    & skf21("7","6","4","6","7","1","4","1") = "6"
    & skf21("7","6","4","6","7","1","5","1") = "6"
    & skf21("7","6","4","6","7","1","6","1") = "6"
    & skf21("7","6","4","6","7","1","7","1") = "6"
    & skf21("7","6","4","6","7","2","1","1") = "6"
    & skf21("7","6","4","6","7","2","2","1") = "6"
    & skf21("7","6","4","6","7","2","3","1") = "6"
    & skf21("7","6","4","6","7","2","4","1") = "6"
    & skf21("7","6","4","6","7","2","5","1") = "6"
    & skf21("7","6","4","6","7","2","6","1") = "6"
    & skf21("7","6","4","6","7","2","7","1") = "6"
    & skf21("7","6","4","6","7","3","1","1") = "6"
    & skf21("7","6","4","6","7","3","2","1") = "6"
    & skf21("7","6","4","6","7","3","3","1") = "6"
    & skf21("7","6","4","6","7","3","4","1") = "6"
    & skf21("7","6","4","6","7","3","5","1") = "6"
    & skf21("7","6","4","6","7","3","6","1") = "6"
    & skf21("7","6","4","6","7","3","7","1") = "6"
    & skf21("7","6","4","6","7","4","1","1") = "6"
    & skf21("7","6","4","6","7","4","2","1") = "6"
    & skf21("7","6","4","6","7","4","3","1") = "6"
    & skf21("7","6","4","6","7","4","4","1") = "6"
    & skf21("7","6","4","6","7","4","5","1") = "6"
    & skf21("7","6","4","6","7","4","6","1") = "6"
    & skf21("7","6","4","6","7","4","7","1") = "6"
    & skf21("7","6","4","6","7","5","1","1") = "6"
    & skf21("7","6","4","6","7","5","2","1") = "6"
    & skf21("7","6","4","6","7","5","3","1") = "6"
    & skf21("7","6","4","6","7","5","4","1") = "6"
    & skf21("7","6","4","6","7","5","5","1") = "6"
    & skf21("7","6","4","6","7","5","6","1") = "6"
    & skf21("7","6","4","6","7","5","7","1") = "6"
    & skf21("7","6","4","6","7","6","1","1") = "6"
    & skf21("7","6","4","6","7","6","2","1") = "6"
    & skf21("7","6","4","6","7","6","3","1") = "6"
    & skf21("7","6","4","6","7","6","4","1") = "6"
    & skf21("7","6","4","6","7","6","5","1") = "6"
    & skf21("7","6","4","6","7","6","6","1") = "6"
    & skf21("7","6","4","6","7","6","7","1") = "6"
    & skf21("7","6","4","6","7","7","1","1") = "6"
    & skf21("7","6","4","6","7","7","2","1") = "6"
    & skf21("7","6","4","6","7","7","3","1") = "6"
    & skf21("7","6","4","6","7","7","4","1") = "6"
    & skf21("7","6","4","6","7","7","5","1") = "6"
    & skf21("7","6","4","6","7","7","6","1") = "6"
    & skf21("7","6","4","6","7","7","7","1") = "6"
    & skf21("7","6","4","7","1","1","1","1") = "6"
    & skf21("7","6","4","7","1","1","2","1") = "6"
    & skf21("7","6","4","7","1","1","3","1") = "6"
    & skf21("7","6","4","7","1","1","4","1") = "6"
    & skf21("7","6","4","7","1","1","5","1") = "6"
    & skf21("7","6","4","7","1","1","6","1") = "6"
    & skf21("7","6","4","7","1","1","7","1") = "6"
    & skf21("7","6","4","7","1","2","1","1") = "6"
    & skf21("7","6","4","7","1","2","2","1") = "6"
    & skf21("7","6","4","7","1","2","3","1") = "6"
    & skf21("7","6","4","7","1","2","4","1") = "6"
    & skf21("7","6","4","7","1","2","5","1") = "6"
    & skf21("7","6","4","7","1","2","6","1") = "6"
    & skf21("7","6","4","7","1","2","7","1") = "6"
    & skf21("7","6","4","7","1","3","1","1") = "6"
    & skf21("7","6","4","7","1","3","2","1") = "6"
    & skf21("7","6","4","7","1","3","3","1") = "6"
    & skf21("7","6","4","7","1","3","4","1") = "6"
    & skf21("7","6","4","7","1","3","5","1") = "6"
    & skf21("7","6","4","7","1","3","6","1") = "6"
    & skf21("7","6","4","7","1","3","7","1") = "6"
    & skf21("7","6","4","7","1","4","1","1") = "6"
    & skf21("7","6","4","7","1","4","2","1") = "6"
    & skf21("7","6","4","7","1","4","3","1") = "6"
    & skf21("7","6","4","7","1","4","4","1") = "6"
    & skf21("7","6","4","7","1","4","5","1") = "6"
    & skf21("7","6","4","7","1","4","6","1") = "6"
    & skf21("7","6","4","7","1","4","7","1") = "6"
    & skf21("7","6","4","7","1","5","1","1") = "6"
    & skf21("7","6","4","7","1","5","2","1") = "6"
    & skf21("7","6","4","7","1","5","3","1") = "6"
    & skf21("7","6","4","7","1","5","4","1") = "6"
    & skf21("7","6","4","7","1","5","5","1") = "6"
    & skf21("7","6","4","7","1","5","6","1") = "6"
    & skf21("7","6","4","7","1","5","7","1") = "6"
    & skf21("7","6","4","7","1","6","1","1") = "6"
    & skf21("7","6","4","7","1","6","2","1") = "6"
    & skf21("7","6","4","7","1","6","3","1") = "6"
    & skf21("7","6","4","7","1","6","4","1") = "6"
    & skf21("7","6","4","7","1","6","5","1") = "6"
    & skf21("7","6","4","7","1","6","6","1") = "6"
    & skf21("7","6","4","7","1","6","7","1") = "6"
    & skf21("7","6","4","7","1","7","1","1") = "6"
    & skf21("7","6","4","7","1","7","2","1") = "6"
    & skf21("7","6","4","7","1","7","3","1") = "6"
    & skf21("7","6","4","7","1","7","4","1") = "6"
    & skf21("7","6","4","7","1","7","5","1") = "6"
    & skf21("7","6","4","7","1","7","6","1") = "6"
    & skf21("7","6","4","7","1","7","7","1") = "6"
    & skf21("7","6","4","7","2","1","1","1") = "6"
    & skf21("7","6","4","7","2","1","2","1") = "6"
    & skf21("7","6","4","7","2","1","3","1") = "6"
    & skf21("7","6","4","7","2","1","4","1") = "6"
    & skf21("7","6","4","7","2","1","5","1") = "6"
    & skf21("7","6","4","7","2","1","6","1") = "6"
    & skf21("7","6","4","7","2","1","7","1") = "6"
    & skf21("7","6","4","7","2","2","1","1") = "6"
    & skf21("7","6","4","7","2","2","2","1") = "6"
    & skf21("7","6","4","7","2","2","3","1") = "6"
    & skf21("7","6","4","7","2","2","4","1") = "6"
    & skf21("7","6","4","7","2","2","5","1") = "6"
    & skf21("7","6","4","7","2","2","6","1") = "6"
    & skf21("7","6","4","7","2","2","7","1") = "6"
    & skf21("7","6","4","7","2","3","1","1") = "6"
    & skf21("7","6","4","7","2","3","2","1") = "6"
    & skf21("7","6","4","7","2","3","3","1") = "6"
    & skf21("7","6","4","7","2","3","4","1") = "6"
    & skf21("7","6","4","7","2","3","5","1") = "6"
    & skf21("7","6","4","7","2","3","6","1") = "6"
    & skf21("7","6","4","7","2","3","7","1") = "6"
    & skf21("7","6","4","7","2","4","1","1") = "6"
    & skf21("7","6","4","7","2","4","2","1") = "6"
    & skf21("7","6","4","7","2","4","3","1") = "6"
    & skf21("7","6","4","7","2","4","4","1") = "6"
    & skf21("7","6","4","7","2","4","5","1") = "6"
    & skf21("7","6","4","7","2","4","6","1") = "6"
    & skf21("7","6","4","7","2","4","7","1") = "6"
    & skf21("7","6","4","7","2","5","1","1") = "6"
    & skf21("7","6","4","7","2","5","2","1") = "6"
    & skf21("7","6","4","7","2","5","3","1") = "6"
    & skf21("7","6","4","7","2","5","4","1") = "6"
    & skf21("7","6","4","7","2","5","5","1") = "6"
    & skf21("7","6","4","7","2","5","6","1") = "6"
    & skf21("7","6","4","7","2","5","7","1") = "6"
    & skf21("7","6","4","7","2","6","1","1") = "6"
    & skf21("7","6","4","7","2","6","2","1") = "6"
    & skf21("7","6","4","7","2","6","3","1") = "6"
    & skf21("7","6","4","7","2","6","4","1") = "6"
    & skf21("7","6","4","7","2","6","5","1") = "6"
    & skf21("7","6","4","7","2","6","6","1") = "6"
    & skf21("7","6","4","7","2","6","7","1") = "6"
    & skf21("7","6","4","7","2","7","1","1") = "6"
    & skf21("7","6","4","7","2","7","2","1") = "6"
    & skf21("7","6","4","7","2","7","3","1") = "6"
    & skf21("7","6","4","7","2","7","4","1") = "6"
    & skf21("7","6","4","7","2","7","5","1") = "6"
    & skf21("7","6","4","7","2","7","6","1") = "6"
    & skf21("7","6","4","7","2","7","7","1") = "6"
    & skf21("7","6","4","7","3","1","1","1") = "6"
    & skf21("7","6","4","7","3","1","2","1") = "6"
    & skf21("7","6","4","7","3","1","3","1") = "6"
    & skf21("7","6","4","7","3","1","4","1") = "6"
    & skf21("7","6","4","7","3","1","5","1") = "6"
    & skf21("7","6","4","7","3","1","6","1") = "6"
    & skf21("7","6","4","7","3","1","7","1") = "6"
    & skf21("7","6","4","7","3","2","1","1") = "6"
    & skf21("7","6","4","7","3","2","2","1") = "6"
    & skf21("7","6","4","7","3","2","3","1") = "6"
    & skf21("7","6","4","7","3","2","4","1") = "6"
    & skf21("7","6","4","7","3","2","5","1") = "6"
    & skf21("7","6","4","7","3","2","6","1") = "6"
    & skf21("7","6","4","7","3","2","7","1") = "6"
    & skf21("7","6","4","7","3","3","1","1") = "6"
    & skf21("7","6","4","7","3","3","2","1") = "6"
    & skf21("7","6","4","7","3","3","3","1") = "6"
    & skf21("7","6","4","7","3","3","4","1") = "6"
    & skf21("7","6","4","7","3","3","5","1") = "6"
    & skf21("7","6","4","7","3","3","6","1") = "6"
    & skf21("7","6","4","7","3","3","7","1") = "6"
    & skf21("7","6","4","7","3","4","1","1") = "6"
    & skf21("7","6","4","7","3","4","2","1") = "6"
    & skf21("7","6","4","7","3","4","3","1") = "6"
    & skf21("7","6","4","7","3","4","4","1") = "6"
    & skf21("7","6","4","7","3","4","5","1") = "6"
    & skf21("7","6","4","7","3","4","6","1") = "6"
    & skf21("7","6","4","7","3","4","7","1") = "6"
    & skf21("7","6","4","7","3","5","1","1") = "6"
    & skf21("7","6","4","7","3","5","2","1") = "6"
    & skf21("7","6","4","7","3","5","3","1") = "6"
    & skf21("7","6","4","7","3","5","4","1") = "6"
    & skf21("7","6","4","7","3","5","5","1") = "6"
    & skf21("7","6","4","7","3","5","6","1") = "6"
    & skf21("7","6","4","7","3","5","7","1") = "6"
    & skf21("7","6","4","7","3","6","1","1") = "6"
    & skf21("7","6","4","7","3","6","2","1") = "6"
    & skf21("7","6","4","7","3","6","3","1") = "6"
    & skf21("7","6","4","7","3","6","4","1") = "6"
    & skf21("7","6","4","7","3","6","5","1") = "6"
    & skf21("7","6","4","7","3","6","6","1") = "6"
    & skf21("7","6","4","7","3","6","7","1") = "6"
    & skf21("7","6","4","7","3","7","1","1") = "6"
    & skf21("7","6","4","7","3","7","2","1") = "6"
    & skf21("7","6","4","7","3","7","3","1") = "6"
    & skf21("7","6","4","7","3","7","4","1") = "6"
    & skf21("7","6","4","7","3","7","5","1") = "6"
    & skf21("7","6","4","7","3","7","6","1") = "6"
    & skf21("7","6","4","7","3","7","7","1") = "6"
    & skf21("7","6","4","7","4","1","1","1") = "6"
    & skf21("7","6","4","7","4","1","2","1") = "6"
    & skf21("7","6","4","7","4","1","3","1") = "6"
    & skf21("7","6","4","7","4","1","4","1") = "6"
    & skf21("7","6","4","7","4","1","5","1") = "6"
    & skf21("7","6","4","7","4","1","6","1") = "6"
    & skf21("7","6","4","7","4","1","7","1") = "6"
    & skf21("7","6","4","7","4","2","1","1") = "6"
    & skf21("7","6","4","7","4","2","2","1") = "6"
    & skf21("7","6","4","7","4","2","3","1") = "6"
    & skf21("7","6","4","7","4","2","4","1") = "6"
    & skf21("7","6","4","7","4","2","5","1") = "6"
    & skf21("7","6","4","7","4","2","6","1") = "6"
    & skf21("7","6","4","7","4","2","7","1") = "6"
    & skf21("7","6","4","7","4","3","1","1") = "6"
    & skf21("7","6","4","7","4","3","2","1") = "6"
    & skf21("7","6","4","7","4","3","3","1") = "6"
    & skf21("7","6","4","7","4","3","4","1") = "6"
    & skf21("7","6","4","7","4","3","5","1") = "6"
    & skf21("7","6","4","7","4","3","6","1") = "6"
    & skf21("7","6","4","7","4","3","7","1") = "6"
    & skf21("7","6","4","7","4","4","1","1") = "6"
    & skf21("7","6","4","7","4","4","2","1") = "6"
    & skf21("7","6","4","7","4","4","3","1") = "6"
    & skf21("7","6","4","7","4","4","4","1") = "6"
    & skf21("7","6","4","7","4","4","5","1") = "6"
    & skf21("7","6","4","7","4","4","6","1") = "6"
    & skf21("7","6","4","7","4","4","7","1") = "6"
    & skf21("7","6","4","7","4","5","1","1") = "6"
    & skf21("7","6","4","7","4","5","2","1") = "6"
    & skf21("7","6","4","7","4","5","3","1") = "6"
    & skf21("7","6","4","7","4","5","4","1") = "6"
    & skf21("7","6","4","7","4","5","5","1") = "6"
    & skf21("7","6","4","7","4","5","6","1") = "6"
    & skf21("7","6","4","7","4","5","7","1") = "6"
    & skf21("7","6","4","7","4","6","1","1") = "6"
    & skf21("7","6","4","7","4","6","2","1") = "6"
    & skf21("7","6","4","7","4","6","3","1") = "6"
    & skf21("7","6","4","7","4","6","4","1") = "6"
    & skf21("7","6","4","7","4","6","5","1") = "6"
    & skf21("7","6","4","7","4","6","6","1") = "6"
    & skf21("7","6","4","7","4","6","7","1") = "6"
    & skf21("7","6","4","7","4","7","1","1") = "6"
    & skf21("7","6","4","7","4","7","2","1") = "6"
    & skf21("7","6","4","7","4","7","3","1") = "6"
    & skf21("7","6","4","7","4","7","4","1") = "6"
    & skf21("7","6","4","7","4","7","5","1") = "6"
    & skf21("7","6","4","7","4","7","6","1") = "6"
    & skf21("7","6","4","7","4","7","7","1") = "6"
    & skf21("7","6","4","7","5","1","1","1") = "6"
    & skf21("7","6","4","7","5","1","2","1") = "6"
    & skf21("7","6","4","7","5","1","3","1") = "6"
    & skf21("7","6","4","7","5","1","4","1") = "6"
    & skf21("7","6","4","7","5","1","5","1") = "6"
    & skf21("7","6","4","7","5","1","6","1") = "6"
    & skf21("7","6","4","7","5","1","7","1") = "6"
    & skf21("7","6","4","7","5","2","1","1") = "6"
    & skf21("7","6","4","7","5","2","2","1") = "6"
    & skf21("7","6","4","7","5","2","3","1") = "6"
    & skf21("7","6","4","7","5","2","4","1") = "6"
    & skf21("7","6","4","7","5","2","5","1") = "6"
    & skf21("7","6","4","7","5","2","6","1") = "6"
    & skf21("7","6","4","7","5","2","7","1") = "6"
    & skf21("7","6","4","7","5","3","1","1") = "6"
    & skf21("7","6","4","7","5","3","2","1") = "6"
    & skf21("7","6","4","7","5","3","3","1") = "6"
    & skf21("7","6","4","7","5","3","4","1") = "6"
    & skf21("7","6","4","7","5","3","5","1") = "6"
    & skf21("7","6","4","7","5","3","6","1") = "6"
    & skf21("7","6","4","7","5","3","7","1") = "6"
    & skf21("7","6","4","7","5","4","1","1") = "6"
    & skf21("7","6","4","7","5","4","2","1") = "6"
    & skf21("7","6","4","7","5","4","3","1") = "6"
    & skf21("7","6","4","7","5","4","4","1") = "6"
    & skf21("7","6","4","7","5","4","5","1") = "6"
    & skf21("7","6","4","7","5","4","6","1") = "6"
    & skf21("7","6","4","7","5","4","7","1") = "6"
    & skf21("7","6","4","7","5","5","1","1") = "6"
    & skf21("7","6","4","7","5","5","2","1") = "6"
    & skf21("7","6","4","7","5","5","3","1") = "6"
    & skf21("7","6","4","7","5","5","4","1") = "6"
    & skf21("7","6","4","7","5","5","5","1") = "6"
    & skf21("7","6","4","7","5","5","6","1") = "6"
    & skf21("7","6","4","7","5","5","7","1") = "6"
    & skf21("7","6","4","7","5","6","1","1") = "6"
    & skf21("7","6","4","7","5","6","2","1") = "6"
    & skf21("7","6","4","7","5","6","3","1") = "6"
    & skf21("7","6","4","7","5","6","4","1") = "6"
    & skf21("7","6","4","7","5","6","5","1") = "6"
    & skf21("7","6","4","7","5","6","6","1") = "6"
    & skf21("7","6","4","7","5","6","7","1") = "6"
    & skf21("7","6","4","7","5","7","1","1") = "6"
    & skf21("7","6","4","7","5","7","2","1") = "6"
    & skf21("7","6","4","7","5","7","3","1") = "6"
    & skf21("7","6","4","7","5","7","4","1") = "6"
    & skf21("7","6","4","7","5","7","5","1") = "6"
    & skf21("7","6","4","7","5","7","6","1") = "6"
    & skf21("7","6","4","7","5","7","7","1") = "6"
    & skf21("7","6","4","7","6","1","1","1") = "6"
    & skf21("7","6","4","7","6","1","2","1") = "6"
    & skf21("7","6","4","7","6","1","3","1") = "6"
    & skf21("7","6","4","7","6","1","4","1") = "6"
    & skf21("7","6","4","7","6","1","5","1") = "6"
    & skf21("7","6","4","7","6","1","6","1") = "6"
    & skf21("7","6","4","7","6","1","7","1") = "6"
    & skf21("7","6","4","7","6","2","1","1") = "6"
    & skf21("7","6","4","7","6","2","2","1") = "6"
    & skf21("7","6","4","7","6","2","3","1") = "6"
    & skf21("7","6","4","7","6","2","4","1") = "6"
    & skf21("7","6","4","7","6","2","5","1") = "6"
    & skf21("7","6","4","7","6","2","6","1") = "6"
    & skf21("7","6","4","7","6","2","7","1") = "6"
    & skf21("7","6","4","7","6","3","1","1") = "6"
    & skf21("7","6","4","7","6","3","2","1") = "6"
    & skf21("7","6","4","7","6","3","3","1") = "6"
    & skf21("7","6","4","7","6","3","4","1") = "6"
    & skf21("7","6","4","7","6","3","5","1") = "6"
    & skf21("7","6","4","7","6","3","6","1") = "6"
    & skf21("7","6","4","7","6","3","7","1") = "6"
    & skf21("7","6","4","7","6","4","1","1") = "6"
    & skf21("7","6","4","7","6","4","2","1") = "6"
    & skf21("7","6","4","7","6","4","3","1") = "6"
    & skf21("7","6","4","7","6","4","4","1") = "6"
    & skf21("7","6","4","7","6","4","5","1") = "6"
    & skf21("7","6","4","7","6","4","6","1") = "6"
    & skf21("7","6","4","7","6","4","7","1") = "6"
    & skf21("7","6","4","7","6","5","1","1") = "6"
    & skf21("7","6","4","7","6","5","2","1") = "6"
    & skf21("7","6","4","7","6","5","3","1") = "6"
    & skf21("7","6","4","7","6","5","4","1") = "6"
    & skf21("7","6","4","7","6","5","5","1") = "6"
    & skf21("7","6","4","7","6","5","6","1") = "6"
    & skf21("7","6","4","7","6","5","7","1") = "6"
    & skf21("7","6","4","7","6","6","1","1") = "6"
    & skf21("7","6","4","7","6","6","2","1") = "6"
    & skf21("7","6","4","7","6","6","3","1") = "6"
    & skf21("7","6","4","7","6","6","4","1") = "6"
    & skf21("7","6","4","7","6","6","5","1") = "6"
    & skf21("7","6","4","7","6","6","6","1") = "6"
    & skf21("7","6","4","7","6","6","7","1") = "6"
    & skf21("7","6","4","7","6","7","1","1") = "6"
    & skf21("7","6","4","7","6","7","2","1") = "6"
    & skf21("7","6","4","7","6","7","3","1") = "6"
    & skf21("7","6","4","7","6","7","4","1") = "6"
    & skf21("7","6","4","7","6","7","5","1") = "6"
    & skf21("7","6","4","7","6","7","6","1") = "6"
    & skf21("7","6","4","7","6","7","7","1") = "6"
    & skf21("7","6","4","7","7","1","1","1") = "6"
    & skf21("7","6","4","7","7","1","2","1") = "6"
    & skf21("7","6","4","7","7","1","3","1") = "6"
    & skf21("7","6","4","7","7","1","4","1") = "6"
    & skf21("7","6","4","7","7","1","5","1") = "6"
    & skf21("7","6","4","7","7","1","6","1") = "6"
    & skf21("7","6","4","7","7","1","7","1") = "6"
    & skf21("7","6","4","7","7","2","1","1") = "6"
    & skf21("7","6","4","7","7","2","2","1") = "6"
    & skf21("7","6","4","7","7","2","3","1") = "6"
    & skf21("7","6","4","7","7","2","4","1") = "6"
    & skf21("7","6","4","7","7","2","5","1") = "6"
    & skf21("7","6","4","7","7","2","6","1") = "6"
    & skf21("7","6","4","7","7","2","7","1") = "6"
    & skf21("7","6","4","7","7","3","1","1") = "6"
    & skf21("7","6","4","7","7","3","2","1") = "6"
    & skf21("7","6","4","7","7","3","3","1") = "6"
    & skf21("7","6","4","7","7","3","4","1") = "6"
    & skf21("7","6","4","7","7","3","5","1") = "6"
    & skf21("7","6","4","7","7","3","6","1") = "6"
    & skf21("7","6","4","7","7","3","7","1") = "6"
    & skf21("7","6","4","7","7","4","1","1") = "6"
    & skf21("7","6","4","7","7","4","2","1") = "6"
    & skf21("7","6","4","7","7","4","3","1") = "6"
    & skf21("7","6","4","7","7","4","4","1") = "6"
    & skf21("7","6","4","7","7","4","5","1") = "6"
    & skf21("7","6","4","7","7","4","6","1") = "6"
    & skf21("7","6","4","7","7","4","7","1") = "6"
    & skf21("7","6","4","7","7","5","1","1") = "6"
    & skf21("7","6","4","7","7","5","2","1") = "6"
    & skf21("7","6","4","7","7","5","3","1") = "6"
    & skf21("7","6","4","7","7","5","4","1") = "6"
    & skf21("7","6","4","7","7","5","5","1") = "6"
    & skf21("7","6","4","7","7","5","6","1") = "6"
    & skf21("7","6","4","7","7","5","7","1") = "6"
    & skf21("7","6","4","7","7","6","1","1") = "6"
    & skf21("7","6","4","7","7","6","2","1") = "6"
    & skf21("7","6","4","7","7","6","3","1") = "6"
    & skf21("7","6","4","7","7","6","4","1") = "6"
    & skf21("7","6","4","7","7","6","5","1") = "6"
    & skf21("7","6","4","7","7","6","6","1") = "6"
    & skf21("7","6","4","7","7","6","7","1") = "6"
    & skf21("7","6","4","7","7","7","1","1") = "6"
    & skf21("7","6","4","7","7","7","2","1") = "6"
    & skf21("7","6","4","7","7","7","3","1") = "6"
    & skf21("7","6","4","7","7","7","4","1") = "6"
    & skf21("7","6","4","7","7","7","5","1") = "6"
    & skf21("7","6","4","7","7","7","6","1") = "6"
    & skf21("7","6","4","7","7","7","7","1") = "6"
    & skf21("7","6","5","1","1","1","1","1") = "6"
    & skf21("7","6","5","1","1","1","2","1") = "6"
    & skf21("7","6","5","1","1","1","3","1") = "6"
    & skf21("7","6","5","1","1","1","4","1") = "6"
    & skf21("7","6","5","1","1","1","5","1") = "6"
    & skf21("7","6","5","1","1","1","6","1") = "6"
    & skf21("7","6","5","1","1","1","7","1") = "6"
    & skf21("7","6","5","1","1","2","1","1") = "6"
    & skf21("7","6","5","1","1","2","2","1") = "6"
    & skf21("7","6","5","1","1","2","3","1") = "6"
    & skf21("7","6","5","1","1","2","4","1") = "6"
    & skf21("7","6","5","1","1","2","5","1") = "6"
    & skf21("7","6","5","1","1","2","6","1") = "6"
    & skf21("7","6","5","1","1","2","7","1") = "6"
    & skf21("7","6","5","1","1","3","1","1") = "6"
    & skf21("7","6","5","1","1","3","2","1") = "6"
    & skf21("7","6","5","1","1","3","3","1") = "6"
    & skf21("7","6","5","1","1","3","4","1") = "6"
    & skf21("7","6","5","1","1","3","5","1") = "6"
    & skf21("7","6","5","1","1","3","6","1") = "6"
    & skf21("7","6","5","1","1","3","7","1") = "6"
    & skf21("7","6","5","1","1","4","1","1") = "6"
    & skf21("7","6","5","1","1","4","2","1") = "6"
    & skf21("7","6","5","1","1","4","3","1") = "6"
    & skf21("7","6","5","1","1","4","4","1") = "6"
    & skf21("7","6","5","1","1","4","5","1") = "6"
    & skf21("7","6","5","1","1","4","6","1") = "6"
    & skf21("7","6","5","1","1","4","7","1") = "6"
    & skf21("7","6","5","1","1","5","1","1") = "6"
    & skf21("7","6","5","1","1","5","2","1") = "6"
    & skf21("7","6","5","1","1","5","3","1") = "6"
    & skf21("7","6","5","1","1","5","4","1") = "6"
    & skf21("7","6","5","1","1","5","5","1") = "6"
    & skf21("7","6","5","1","1","5","6","1") = "6"
    & skf21("7","6","5","1","1","5","7","1") = "6"
    & skf21("7","6","5","1","1","6","1","1") = "6"
    & skf21("7","6","5","1","1","6","2","1") = "6"
    & skf21("7","6","5","1","1","6","3","1") = "6"
    & skf21("7","6","5","1","1","6","4","1") = "6"
    & skf21("7","6","5","1","1","6","5","1") = "6"
    & skf21("7","6","5","1","1","6","6","1") = "6"
    & skf21("7","6","5","1","1","6","7","1") = "6"
    & skf21("7","6","5","1","1","7","1","1") = "6"
    & skf21("7","6","5","1","1","7","2","1") = "6"
    & skf21("7","6","5","1","1","7","3","1") = "6"
    & skf21("7","6","5","1","1","7","4","1") = "6"
    & skf21("7","6","5","1","1","7","5","1") = "6"
    & skf21("7","6","5","1","1","7","6","1") = "6"
    & skf21("7","6","5","1","1","7","7","1") = "6"
    & skf21("7","6","5","1","2","1","1","1") = "6"
    & skf21("7","6","5","1","2","1","2","1") = "6"
    & skf21("7","6","5","1","2","1","3","1") = "6"
    & skf21("7","6","5","1","2","1","4","1") = "6"
    & skf21("7","6","5","1","2","1","5","1") = "6"
    & skf21("7","6","5","1","2","1","6","1") = "6"
    & skf21("7","6","5","1","2","1","7","1") = "6"
    & skf21("7","6","5","1","2","2","1","1") = "6"
    & skf21("7","6","5","1","2","2","2","1") = "6"
    & skf21("7","6","5","1","2","2","3","1") = "6"
    & skf21("7","6","5","1","2","2","4","1") = "6"
    & skf21("7","6","5","1","2","2","5","1") = "6"
    & skf21("7","6","5","1","2","2","6","1") = "6"
    & skf21("7","6","5","1","2","2","7","1") = "6"
    & skf21("7","6","5","1","2","3","1","1") = "6"
    & skf21("7","6","5","1","2","3","2","1") = "6"
    & skf21("7","6","5","1","2","3","3","1") = "6"
    & skf21("7","6","5","1","2","3","4","1") = "6"
    & skf21("7","6","5","1","2","3","5","1") = "6"
    & skf21("7","6","5","1","2","3","6","1") = "6"
    & skf21("7","6","5","1","2","3","7","1") = "6"
    & skf21("7","6","5","1","2","4","1","1") = "6"
    & skf21("7","6","5","1","2","4","2","1") = "6"
    & skf21("7","6","5","1","2","4","3","1") = "6"
    & skf21("7","6","5","1","2","4","4","1") = "6"
    & skf21("7","6","5","1","2","4","5","1") = "6"
    & skf21("7","6","5","1","2","4","6","1") = "6"
    & skf21("7","6","5","1","2","4","7","1") = "6"
    & skf21("7","6","5","1","2","5","1","1") = "6"
    & skf21("7","6","5","1","2","5","2","1") = "6"
    & skf21("7","6","5","1","2","5","3","1") = "6"
    & skf21("7","6","5","1","2","5","4","1") = "6"
    & skf21("7","6","5","1","2","5","5","1") = "6"
    & skf21("7","6","5","1","2","5","6","1") = "6"
    & skf21("7","6","5","1","2","5","7","1") = "6"
    & skf21("7","6","5","1","2","6","1","1") = "6"
    & skf21("7","6","5","1","2","6","2","1") = "6"
    & skf21("7","6","5","1","2","6","3","1") = "6"
    & skf21("7","6","5","1","2","6","4","1") = "6"
    & skf21("7","6","5","1","2","6","5","1") = "6"
    & skf21("7","6","5","1","2","6","6","1") = "6"
    & skf21("7","6","5","1","2","6","7","1") = "6"
    & skf21("7","6","5","1","2","7","1","1") = "6"
    & skf21("7","6","5","1","2","7","2","1") = "6"
    & skf21("7","6","5","1","2","7","3","1") = "6"
    & skf21("7","6","5","1","2","7","4","1") = "6"
    & skf21("7","6","5","1","2","7","5","1") = "6"
    & skf21("7","6","5","1","2","7","6","1") = "6"
    & skf21("7","6","5","1","2","7","7","1") = "6"
    & skf21("7","6","5","1","3","1","1","1") = "6"
    & skf21("7","6","5","1","3","1","2","1") = "6"
    & skf21("7","6","5","1","3","1","3","1") = "6"
    & skf21("7","6","5","1","3","1","4","1") = "6"
    & skf21("7","6","5","1","3","1","5","1") = "6"
    & skf21("7","6","5","1","3","1","6","1") = "6"
    & skf21("7","6","5","1","3","1","7","1") = "6"
    & skf21("7","6","5","1","3","2","1","1") = "6"
    & skf21("7","6","5","1","3","2","2","1") = "6"
    & skf21("7","6","5","1","3","2","3","1") = "6"
    & skf21("7","6","5","1","3","2","4","1") = "6"
    & skf21("7","6","5","1","3","2","5","1") = "6"
    & skf21("7","6","5","1","3","2","6","1") = "6"
    & skf21("7","6","5","1","3","2","7","1") = "6"
    & skf21("7","6","5","1","3","3","1","1") = "6"
    & skf21("7","6","5","1","3","3","2","1") = "6"
    & skf21("7","6","5","1","3","3","3","1") = "6"
    & skf21("7","6","5","1","3","3","4","1") = "6"
    & skf21("7","6","5","1","3","3","5","1") = "6"
    & skf21("7","6","5","1","3","3","6","1") = "6"
    & skf21("7","6","5","1","3","3","7","1") = "6"
    & skf21("7","6","5","1","3","4","1","1") = "6"
    & skf21("7","6","5","1","3","4","2","1") = "6"
    & skf21("7","6","5","1","3","4","3","1") = "6"
    & skf21("7","6","5","1","3","4","4","1") = "6"
    & skf21("7","6","5","1","3","4","5","1") = "6"
    & skf21("7","6","5","1","3","4","6","1") = "6"
    & skf21("7","6","5","1","3","4","7","1") = "6"
    & skf21("7","6","5","1","3","5","1","1") = "6"
    & skf21("7","6","5","1","3","5","2","1") = "6"
    & skf21("7","6","5","1","3","5","3","1") = "6"
    & skf21("7","6","5","1","3","5","4","1") = "6"
    & skf21("7","6","5","1","3","5","5","1") = "6"
    & skf21("7","6","5","1","3","5","6","1") = "6"
    & skf21("7","6","5","1","3","5","7","1") = "6"
    & skf21("7","6","5","1","3","6","1","1") = "6"
    & skf21("7","6","5","1","3","6","2","1") = "6"
    & skf21("7","6","5","1","3","6","3","1") = "6"
    & skf21("7","6","5","1","3","6","4","1") = "6"
    & skf21("7","6","5","1","3","6","5","1") = "6"
    & skf21("7","6","5","1","3","6","6","1") = "6"
    & skf21("7","6","5","1","3","6","7","1") = "6"
    & skf21("7","6","5","1","3","7","1","1") = "6"
    & skf21("7","6","5","1","3","7","2","1") = "6"
    & skf21("7","6","5","1","3","7","3","1") = "6"
    & skf21("7","6","5","1","3","7","4","1") = "6"
    & skf21("7","6","5","1","3","7","5","1") = "6"
    & skf21("7","6","5","1","3","7","6","1") = "6"
    & skf21("7","6","5","1","3","7","7","1") = "6"
    & skf21("7","6","5","1","4","1","1","1") = "6"
    & skf21("7","6","5","1","4","1","2","1") = "6"
    & skf21("7","6","5","1","4","1","3","1") = "6"
    & skf21("7","6","5","1","4","1","4","1") = "6"
    & skf21("7","6","5","1","4","1","5","1") = "6"
    & skf21("7","6","5","1","4","1","6","1") = "6"
    & skf21("7","6","5","1","4","1","7","1") = "6"
    & skf21("7","6","5","1","4","2","1","1") = "6"
    & skf21("7","6","5","1","4","2","2","1") = "6"
    & skf21("7","6","5","1","4","2","3","1") = "6"
    & skf21("7","6","5","1","4","2","4","1") = "6"
    & skf21("7","6","5","1","4","2","5","1") = "6"
    & skf21("7","6","5","1","4","2","6","1") = "6"
    & skf21("7","6","5","1","4","2","7","1") = "6"
    & skf21("7","6","5","1","4","3","1","1") = "6"
    & skf21("7","6","5","1","4","3","2","1") = "6"
    & skf21("7","6","5","1","4","3","3","1") = "6"
    & skf21("7","6","5","1","4","3","4","1") = "6"
    & skf21("7","6","5","1","4","3","5","1") = "6"
    & skf21("7","6","5","1","4","3","6","1") = "6"
    & skf21("7","6","5","1","4","3","7","1") = "6"
    & skf21("7","6","5","1","4","4","1","1") = "6"
    & skf21("7","6","5","1","4","4","2","1") = "6"
    & skf21("7","6","5","1","4","4","3","1") = "6"
    & skf21("7","6","5","1","4","4","4","1") = "6"
    & skf21("7","6","5","1","4","4","5","1") = "6"
    & skf21("7","6","5","1","4","4","6","1") = "6"
    & skf21("7","6","5","1","4","4","7","1") = "6"
    & skf21("7","6","5","1","4","5","1","1") = "6"
    & skf21("7","6","5","1","4","5","2","1") = "6"
    & skf21("7","6","5","1","4","5","3","1") = "6"
    & skf21("7","6","5","1","4","5","4","1") = "6"
    & skf21("7","6","5","1","4","5","5","1") = "6"
    & skf21("7","6","5","1","4","5","6","1") = "6"
    & skf21("7","6","5","1","4","5","7","1") = "6"
    & skf21("7","6","5","1","4","6","1","1") = "6"
    & skf21("7","6","5","1","4","6","2","1") = "6"
    & skf21("7","6","5","1","4","6","3","1") = "6"
    & skf21("7","6","5","1","4","6","4","1") = "6"
    & skf21("7","6","5","1","4","6","5","1") = "6"
    & skf21("7","6","5","1","4","6","6","1") = "6"
    & skf21("7","6","5","1","4","6","7","1") = "6"
    & skf21("7","6","5","1","4","7","1","1") = "6"
    & skf21("7","6","5","1","4","7","2","1") = "6"
    & skf21("7","6","5","1","4","7","3","1") = "6"
    & skf21("7","6","5","1","4","7","4","1") = "6"
    & skf21("7","6","5","1","4","7","5","1") = "6"
    & skf21("7","6","5","1","4","7","6","1") = "6"
    & skf21("7","6","5","1","4","7","7","1") = "6"
    & skf21("7","6","5","1","5","1","1","1") = "6"
    & skf21("7","6","5","1","5","1","2","1") = "6"
    & skf21("7","6","5","1","5","1","3","1") = "6"
    & skf21("7","6","5","1","5","1","4","1") = "6"
    & skf21("7","6","5","1","5","1","5","1") = "6"
    & skf21("7","6","5","1","5","1","6","1") = "6"
    & skf21("7","6","5","1","5","1","7","1") = "6"
    & skf21("7","6","5","1","5","2","1","1") = "6"
    & skf21("7","6","5","1","5","2","2","1") = "6"
    & skf21("7","6","5","1","5","2","3","1") = "6"
    & skf21("7","6","5","1","5","2","4","1") = "6"
    & skf21("7","6","5","1","5","2","5","1") = "6"
    & skf21("7","6","5","1","5","2","6","1") = "6"
    & skf21("7","6","5","1","5","2","7","1") = "6"
    & skf21("7","6","5","1","5","3","1","1") = "6"
    & skf21("7","6","5","1","5","3","2","1") = "6"
    & skf21("7","6","5","1","5","3","3","1") = "6"
    & skf21("7","6","5","1","5","3","4","1") = "6"
    & skf21("7","6","5","1","5","3","5","1") = "6"
    & skf21("7","6","5","1","5","3","6","1") = "6"
    & skf21("7","6","5","1","5","3","7","1") = "6"
    & skf21("7","6","5","1","5","4","1","1") = "6"
    & skf21("7","6","5","1","5","4","2","1") = "6"
    & skf21("7","6","5","1","5","4","3","1") = "6"
    & skf21("7","6","5","1","5","4","4","1") = "6"
    & skf21("7","6","5","1","5","4","5","1") = "6"
    & skf21("7","6","5","1","5","4","6","1") = "6"
    & skf21("7","6","5","1","5","4","7","1") = "6"
    & skf21("7","6","5","1","5","5","1","1") = "6"
    & skf21("7","6","5","1","5","5","2","1") = "6"
    & skf21("7","6","5","1","5","5","3","1") = "6"
    & skf21("7","6","5","1","5","5","4","1") = "6"
    & skf21("7","6","5","1","5","5","5","1") = "6"
    & skf21("7","6","5","1","5","5","6","1") = "6"
    & skf21("7","6","5","1","5","5","7","1") = "6"
    & skf21("7","6","5","1","5","6","1","1") = "6"
    & skf21("7","6","5","1","5","6","2","1") = "6"
    & skf21("7","6","5","1","5","6","3","1") = "6"
    & skf21("7","6","5","1","5","6","4","1") = "6"
    & skf21("7","6","5","1","5","6","5","1") = "6"
    & skf21("7","6","5","1","5","6","6","1") = "6"
    & skf21("7","6","5","1","5","6","7","1") = "6"
    & skf21("7","6","5","1","5","7","1","1") = "6"
    & skf21("7","6","5","1","5","7","2","1") = "6"
    & skf21("7","6","5","1","5","7","3","1") = "6"
    & skf21("7","6","5","1","5","7","4","1") = "6"
    & skf21("7","6","5","1","5","7","5","1") = "6"
    & skf21("7","6","5","1","5","7","6","1") = "6"
    & skf21("7","6","5","1","5","7","7","1") = "6"
    & skf21("7","6","5","1","6","1","1","1") = "6"
    & skf21("7","6","5","1","6","1","2","1") = "6"
    & skf21("7","6","5","1","6","1","3","1") = "6"
    & skf21("7","6","5","1","6","1","4","1") = "6"
    & skf21("7","6","5","1","6","1","5","1") = "6"
    & skf21("7","6","5","1","6","1","6","1") = "6"
    & skf21("7","6","5","1","6","1","7","1") = "6"
    & skf21("7","6","5","1","6","2","1","1") = "6"
    & skf21("7","6","5","1","6","2","2","1") = "6"
    & skf21("7","6","5","1","6","2","3","1") = "6"
    & skf21("7","6","5","1","6","2","4","1") = "6"
    & skf21("7","6","5","1","6","2","5","1") = "6"
    & skf21("7","6","5","1","6","2","6","1") = "6"
    & skf21("7","6","5","1","6","2","7","1") = "6"
    & skf21("7","6","5","1","6","3","1","1") = "6"
    & skf21("7","6","5","1","6","3","2","1") = "6"
    & skf21("7","6","5","1","6","3","3","1") = "6"
    & skf21("7","6","5","1","6","3","4","1") = "6"
    & skf21("7","6","5","1","6","3","5","1") = "6"
    & skf21("7","6","5","1","6","3","6","1") = "6"
    & skf21("7","6","5","1","6","3","7","1") = "6"
    & skf21("7","6","5","1","6","4","1","1") = "6"
    & skf21("7","6","5","1","6","4","2","1") = "6"
    & skf21("7","6","5","1","6","4","3","1") = "6"
    & skf21("7","6","5","1","6","4","4","1") = "6"
    & skf21("7","6","5","1","6","4","5","1") = "6"
    & skf21("7","6","5","1","6","4","6","1") = "6"
    & skf21("7","6","5","1","6","4","7","1") = "6"
    & skf21("7","6","5","1","6","5","1","1") = "6"
    & skf21("7","6","5","1","6","5","2","1") = "6"
    & skf21("7","6","5","1","6","5","3","1") = "6"
    & skf21("7","6","5","1","6","5","4","1") = "6"
    & skf21("7","6","5","1","6","5","5","1") = "6"
    & skf21("7","6","5","1","6","5","6","1") = "6"
    & skf21("7","6","5","1","6","5","7","1") = "6"
    & skf21("7","6","5","1","6","6","1","1") = "6"
    & skf21("7","6","5","1","6","6","2","1") = "6"
    & skf21("7","6","5","1","6","6","3","1") = "6"
    & skf21("7","6","5","1","6","6","4","1") = "6"
    & skf21("7","6","5","1","6","6","5","1") = "6"
    & skf21("7","6","5","1","6","6","6","1") = "6"
    & skf21("7","6","5","1","6","6","7","1") = "6"
    & skf21("7","6","5","1","6","7","1","1") = "6"
    & skf21("7","6","5","1","6","7","2","1") = "6"
    & skf21("7","6","5","1","6","7","3","1") = "6"
    & skf21("7","6","5","1","6","7","4","1") = "6"
    & skf21("7","6","5","1","6","7","5","1") = "6"
    & skf21("7","6","5","1","6","7","6","1") = "6"
    & skf21("7","6","5","1","6","7","7","1") = "6"
    & skf21("7","6","5","1","7","1","1","1") = "6"
    & skf21("7","6","5","1","7","1","2","1") = "6"
    & skf21("7","6","5","1","7","1","3","1") = "6"
    & skf21("7","6","5","1","7","1","4","1") = "6"
    & skf21("7","6","5","1","7","1","5","1") = "6"
    & skf21("7","6","5","1","7","1","6","1") = "6"
    & skf21("7","6","5","1","7","1","7","1") = "6"
    & skf21("7","6","5","1","7","2","1","1") = "6"
    & skf21("7","6","5","1","7","2","2","1") = "6"
    & skf21("7","6","5","1","7","2","3","1") = "6"
    & skf21("7","6","5","1","7","2","4","1") = "6"
    & skf21("7","6","5","1","7","2","5","1") = "6"
    & skf21("7","6","5","1","7","2","6","1") = "6"
    & skf21("7","6","5","1","7","2","7","1") = "6"
    & skf21("7","6","5","1","7","3","1","1") = "6"
    & skf21("7","6","5","1","7","3","2","1") = "6"
    & skf21("7","6","5","1","7","3","3","1") = "6"
    & skf21("7","6","5","1","7","3","4","1") = "6"
    & skf21("7","6","5","1","7","3","5","1") = "6"
    & skf21("7","6","5","1","7","3","6","1") = "6"
    & skf21("7","6","5","1","7","3","7","1") = "6"
    & skf21("7","6","5","1","7","4","1","1") = "6"
    & skf21("7","6","5","1","7","4","2","1") = "6"
    & skf21("7","6","5","1","7","4","3","1") = "6"
    & skf21("7","6","5","1","7","4","4","1") = "6"
    & skf21("7","6","5","1","7","4","5","1") = "6"
    & skf21("7","6","5","1","7","4","6","1") = "6"
    & skf21("7","6","5","1","7","4","7","1") = "6"
    & skf21("7","6","5","1","7","5","1","1") = "6"
    & skf21("7","6","5","1","7","5","2","1") = "6"
    & skf21("7","6","5","1","7","5","3","1") = "6"
    & skf21("7","6","5","1","7","5","4","1") = "6"
    & skf21("7","6","5","1","7","5","5","1") = "6"
    & skf21("7","6","5","1","7","5","6","1") = "6"
    & skf21("7","6","5","1","7","5","7","1") = "6"
    & skf21("7","6","5","1","7","6","1","1") = "6"
    & skf21("7","6","5","1","7","6","2","1") = "6"
    & skf21("7","6","5","1","7","6","3","1") = "6"
    & skf21("7","6","5","1","7","6","4","1") = "6"
    & skf21("7","6","5","1","7","6","5","1") = "6"
    & skf21("7","6","5","1","7","6","6","1") = "6"
    & skf21("7","6","5","1","7","6","7","1") = "6"
    & skf21("7","6","5","1","7","7","1","1") = "6"
    & skf21("7","6","5","1","7","7","2","1") = "6"
    & skf21("7","6","5","1","7","7","3","1") = "6"
    & skf21("7","6","5","1","7","7","4","1") = "6"
    & skf21("7","6","5","1","7","7","5","1") = "6"
    & skf21("7","6","5","1","7","7","6","1") = "6"
    & skf21("7","6","5","1","7","7","7","1") = "6"
    & skf21("7","6","5","2","1","1","1","1") = "6"
    & skf21("7","6","5","2","1","1","2","1") = "6"
    & skf21("7","6","5","2","1","1","3","1") = "6"
    & skf21("7","6","5","2","1","1","4","1") = "6"
    & skf21("7","6","5","2","1","1","5","1") = "6"
    & skf21("7","6","5","2","1","1","6","1") = "6"
    & skf21("7","6","5","2","1","1","7","1") = "6"
    & skf21("7","6","5","2","1","2","1","1") = "6"
    & skf21("7","6","5","2","1","2","2","1") = "6"
    & skf21("7","6","5","2","1","2","3","1") = "6"
    & skf21("7","6","5","2","1","2","4","1") = "6"
    & skf21("7","6","5","2","1","2","5","1") = "6"
    & skf21("7","6","5","2","1","2","6","1") = "6"
    & skf21("7","6","5","2","1","2","7","1") = "6"
    & skf21("7","6","5","2","1","3","1","1") = "6"
    & skf21("7","6","5","2","1","3","2","1") = "6"
    & skf21("7","6","5","2","1","3","3","1") = "6"
    & skf21("7","6","5","2","1","3","4","1") = "6"
    & skf21("7","6","5","2","1","3","5","1") = "6"
    & skf21("7","6","5","2","1","3","6","1") = "6"
    & skf21("7","6","5","2","1","3","7","1") = "6"
    & skf21("7","6","5","2","1","4","1","1") = "6"
    & skf21("7","6","5","2","1","4","2","1") = "6"
    & skf21("7","6","5","2","1","4","3","1") = "6"
    & skf21("7","6","5","2","1","4","4","1") = "6"
    & skf21("7","6","5","2","1","4","5","1") = "6"
    & skf21("7","6","5","2","1","4","6","1") = "6"
    & skf21("7","6","5","2","1","4","7","1") = "6"
    & skf21("7","6","5","2","1","5","1","1") = "6"
    & skf21("7","6","5","2","1","5","2","1") = "6"
    & skf21("7","6","5","2","1","5","3","1") = "6"
    & skf21("7","6","5","2","1","5","4","1") = "6"
    & skf21("7","6","5","2","1","5","5","1") = "6"
    & skf21("7","6","5","2","1","5","6","1") = "6"
    & skf21("7","6","5","2","1","5","7","1") = "6"
    & skf21("7","6","5","2","1","6","1","1") = "6"
    & skf21("7","6","5","2","1","6","2","1") = "6"
    & skf21("7","6","5","2","1","6","3","1") = "6"
    & skf21("7","6","5","2","1","6","4","1") = "6"
    & skf21("7","6","5","2","1","6","5","1") = "6"
    & skf21("7","6","5","2","1","6","6","1") = "6"
    & skf21("7","6","5","2","1","6","7","1") = "6"
    & skf21("7","6","5","2","1","7","1","1") = "6"
    & skf21("7","6","5","2","1","7","2","1") = "6"
    & skf21("7","6","5","2","1","7","3","1") = "6"
    & skf21("7","6","5","2","1","7","4","1") = "6"
    & skf21("7","6","5","2","1","7","5","1") = "6"
    & skf21("7","6","5","2","1","7","6","1") = "6"
    & skf21("7","6","5","2","1","7","7","1") = "6"
    & skf21("7","6","5","2","2","1","1","1") = "6"
    & skf21("7","6","5","2","2","1","2","1") = "6"
    & skf21("7","6","5","2","2","1","3","1") = "6"
    & skf21("7","6","5","2","2","1","4","1") = "6"
    & skf21("7","6","5","2","2","1","5","1") = "6"
    & skf21("7","6","5","2","2","1","6","1") = "6"
    & skf21("7","6","5","2","2","1","7","1") = "6"
    & skf21("7","6","5","2","2","2","1","1") = "6"
    & skf21("7","6","5","2","2","2","2","1") = "6"
    & skf21("7","6","5","2","2","2","3","1") = "6"
    & skf21("7","6","5","2","2","2","4","1") = "6"
    & skf21("7","6","5","2","2","2","5","1") = "6"
    & skf21("7","6","5","2","2","2","6","1") = "6"
    & skf21("7","6","5","2","2","2","7","1") = "6"
    & skf21("7","6","5","2","2","3","1","1") = "6"
    & skf21("7","6","5","2","2","3","2","1") = "6"
    & skf21("7","6","5","2","2","3","3","1") = "6"
    & skf21("7","6","5","2","2","3","4","1") = "6"
    & skf21("7","6","5","2","2","3","5","1") = "6"
    & skf21("7","6","5","2","2","3","6","1") = "6"
    & skf21("7","6","5","2","2","3","7","1") = "6"
    & skf21("7","6","5","2","2","4","1","1") = "6"
    & skf21("7","6","5","2","2","4","2","1") = "6"
    & skf21("7","6","5","2","2","4","3","1") = "6"
    & skf21("7","6","5","2","2","4","4","1") = "6"
    & skf21("7","6","5","2","2","4","5","1") = "6"
    & skf21("7","6","5","2","2","4","6","1") = "6"
    & skf21("7","6","5","2","2","4","7","1") = "6"
    & skf21("7","6","5","2","2","5","1","1") = "6"
    & skf21("7","6","5","2","2","5","2","1") = "6"
    & skf21("7","6","5","2","2","5","3","1") = "6"
    & skf21("7","6","5","2","2","5","4","1") = "6"
    & skf21("7","6","5","2","2","5","5","1") = "6"
    & skf21("7","6","5","2","2","5","6","1") = "6"
    & skf21("7","6","5","2","2","5","7","1") = "6"
    & skf21("7","6","5","2","2","6","1","1") = "6"
    & skf21("7","6","5","2","2","6","2","1") = "6"
    & skf21("7","6","5","2","2","6","3","1") = "6"
    & skf21("7","6","5","2","2","6","4","1") = "6"
    & skf21("7","6","5","2","2","6","5","1") = "6"
    & skf21("7","6","5","2","2","6","6","1") = "6"
    & skf21("7","6","5","2","2","6","7","1") = "6"
    & skf21("7","6","5","2","2","7","1","1") = "6"
    & skf21("7","6","5","2","2","7","2","1") = "6"
    & skf21("7","6","5","2","2","7","3","1") = "6"
    & skf21("7","6","5","2","2","7","4","1") = "6"
    & skf21("7","6","5","2","2","7","5","1") = "6"
    & skf21("7","6","5","2","2","7","6","1") = "6"
    & skf21("7","6","5","2","2","7","7","1") = "6"
    & skf21("7","6","5","2","3","1","1","1") = "6"
    & skf21("7","6","5","2","3","1","2","1") = "6"
    & skf21("7","6","5","2","3","1","3","1") = "6"
    & skf21("7","6","5","2","3","1","4","1") = "6"
    & skf21("7","6","5","2","3","1","5","1") = "6"
    & skf21("7","6","5","2","3","1","6","1") = "6"
    & skf21("7","6","5","2","3","1","7","1") = "6"
    & skf21("7","6","5","2","3","2","1","1") = "6"
    & skf21("7","6","5","2","3","2","2","1") = "6"
    & skf21("7","6","5","2","3","2","3","1") = "6"
    & skf21("7","6","5","2","3","2","4","1") = "6"
    & skf21("7","6","5","2","3","2","5","1") = "6"
    & skf21("7","6","5","2","3","2","6","1") = "6"
    & skf21("7","6","5","2","3","2","7","1") = "6"
    & skf21("7","6","5","2","3","3","1","1") = "6"
    & skf21("7","6","5","2","3","3","2","1") = "6"
    & skf21("7","6","5","2","3","3","3","1") = "6"
    & skf21("7","6","5","2","3","3","4","1") = "6"
    & skf21("7","6","5","2","3","3","5","1") = "6"
    & skf21("7","6","5","2","3","3","6","1") = "6"
    & skf21("7","6","5","2","3","3","7","1") = "6"
    & skf21("7","6","5","2","3","4","1","1") = "6"
    & skf21("7","6","5","2","3","4","2","1") = "6"
    & skf21("7","6","5","2","3","4","3","1") = "6"
    & skf21("7","6","5","2","3","4","4","1") = "6"
    & skf21("7","6","5","2","3","4","5","1") = "6"
    & skf21("7","6","5","2","3","4","6","1") = "6"
    & skf21("7","6","5","2","3","4","7","1") = "6"
    & skf21("7","6","5","2","3","5","1","1") = "6"
    & skf21("7","6","5","2","3","5","2","1") = "6"
    & skf21("7","6","5","2","3","5","3","1") = "6"
    & skf21("7","6","5","2","3","5","4","1") = "6"
    & skf21("7","6","5","2","3","5","5","1") = "6"
    & skf21("7","6","5","2","3","5","6","1") = "6"
    & skf21("7","6","5","2","3","5","7","1") = "6"
    & skf21("7","6","5","2","3","6","1","1") = "6"
    & skf21("7","6","5","2","3","6","2","1") = "6"
    & skf21("7","6","5","2","3","6","3","1") = "6"
    & skf21("7","6","5","2","3","6","4","1") = "6"
    & skf21("7","6","5","2","3","6","5","1") = "6"
    & skf21("7","6","5","2","3","6","6","1") = "6"
    & skf21("7","6","5","2","3","6","7","1") = "6"
    & skf21("7","6","5","2","3","7","1","1") = "6"
    & skf21("7","6","5","2","3","7","2","1") = "6"
    & skf21("7","6","5","2","3","7","3","1") = "6"
    & skf21("7","6","5","2","3","7","4","1") = "6"
    & skf21("7","6","5","2","3","7","5","1") = "6"
    & skf21("7","6","5","2","3","7","6","1") = "6"
    & skf21("7","6","5","2","3","7","7","1") = "6"
    & skf21("7","6","5","2","4","1","1","1") = "6"
    & skf21("7","6","5","2","4","1","2","1") = "6"
    & skf21("7","6","5","2","4","1","3","1") = "6"
    & skf21("7","6","5","2","4","1","4","1") = "6"
    & skf21("7","6","5","2","4","1","5","1") = "6"
    & skf21("7","6","5","2","4","1","6","1") = "6"
    & skf21("7","6","5","2","4","1","7","1") = "6"
    & skf21("7","6","5","2","4","2","1","1") = "6"
    & skf21("7","6","5","2","4","2","2","1") = "6"
    & skf21("7","6","5","2","4","2","3","1") = "6"
    & skf21("7","6","5","2","4","2","4","1") = "6"
    & skf21("7","6","5","2","4","2","5","1") = "6"
    & skf21("7","6","5","2","4","2","6","1") = "6"
    & skf21("7","6","5","2","4","2","7","1") = "6"
    & skf21("7","6","5","2","4","3","1","1") = "6"
    & skf21("7","6","5","2","4","3","2","1") = "6"
    & skf21("7","6","5","2","4","3","3","1") = "6"
    & skf21("7","6","5","2","4","3","4","1") = "6"
    & skf21("7","6","5","2","4","3","5","1") = "6"
    & skf21("7","6","5","2","4","3","6","1") = "6"
    & skf21("7","6","5","2","4","3","7","1") = "6"
    & skf21("7","6","5","2","4","4","1","1") = "6"
    & skf21("7","6","5","2","4","4","2","1") = "6"
    & skf21("7","6","5","2","4","4","3","1") = "6"
    & skf21("7","6","5","2","4","4","4","1") = "6"
    & skf21("7","6","5","2","4","4","5","1") = "6"
    & skf21("7","6","5","2","4","4","6","1") = "6"
    & skf21("7","6","5","2","4","4","7","1") = "6"
    & skf21("7","6","5","2","4","5","1","1") = "6"
    & skf21("7","6","5","2","4","5","2","1") = "6"
    & skf21("7","6","5","2","4","5","3","1") = "6"
    & skf21("7","6","5","2","4","5","4","1") = "6"
    & skf21("7","6","5","2","4","5","5","1") = "6"
    & skf21("7","6","5","2","4","5","6","1") = "6"
    & skf21("7","6","5","2","4","5","7","1") = "6"
    & skf21("7","6","5","2","4","6","1","1") = "6"
    & skf21("7","6","5","2","4","6","2","1") = "6"
    & skf21("7","6","5","2","4","6","3","1") = "6"
    & skf21("7","6","5","2","4","6","4","1") = "6"
    & skf21("7","6","5","2","4","6","5","1") = "6"
    & skf21("7","6","5","2","4","6","6","1") = "6"
    & skf21("7","6","5","2","4","6","7","1") = "6"
    & skf21("7","6","5","2","4","7","1","1") = "6"
    & skf21("7","6","5","2","4","7","2","1") = "6"
    & skf21("7","6","5","2","4","7","3","1") = "6"
    & skf21("7","6","5","2","4","7","4","1") = "6"
    & skf21("7","6","5","2","4","7","5","1") = "6"
    & skf21("7","6","5","2","4","7","6","1") = "6"
    & skf21("7","6","5","2","4","7","7","1") = "6"
    & skf21("7","6","5","2","5","1","1","1") = "6"
    & skf21("7","6","5","2","5","1","2","1") = "6"
    & skf21("7","6","5","2","5","1","3","1") = "6"
    & skf21("7","6","5","2","5","1","4","1") = "6"
    & skf21("7","6","5","2","5","1","5","1") = "6"
    & skf21("7","6","5","2","5","1","6","1") = "6"
    & skf21("7","6","5","2","5","1","7","1") = "6"
    & skf21("7","6","5","2","5","2","1","1") = "6"
    & skf21("7","6","5","2","5","2","2","1") = "6"
    & skf21("7","6","5","2","5","2","3","1") = "6"
    & skf21("7","6","5","2","5","2","4","1") = "6"
    & skf21("7","6","5","2","5","2","5","1") = "6"
    & skf21("7","6","5","2","5","2","6","1") = "6"
    & skf21("7","6","5","2","5","2","7","1") = "6"
    & skf21("7","6","5","2","5","3","1","1") = "6"
    & skf21("7","6","5","2","5","3","2","1") = "6"
    & skf21("7","6","5","2","5","3","3","1") = "6"
    & skf21("7","6","5","2","5","3","4","1") = "6"
    & skf21("7","6","5","2","5","3","5","1") = "6"
    & skf21("7","6","5","2","5","3","6","1") = "6"
    & skf21("7","6","5","2","5","3","7","1") = "6"
    & skf21("7","6","5","2","5","4","1","1") = "6"
    & skf21("7","6","5","2","5","4","2","1") = "6"
    & skf21("7","6","5","2","5","4","3","1") = "6"
    & skf21("7","6","5","2","5","4","4","1") = "6"
    & skf21("7","6","5","2","5","4","5","1") = "6"
    & skf21("7","6","5","2","5","4","6","1") = "6"
    & skf21("7","6","5","2","5","4","7","1") = "6"
    & skf21("7","6","5","2","5","5","1","1") = "6"
    & skf21("7","6","5","2","5","5","2","1") = "6"
    & skf21("7","6","5","2","5","5","3","1") = "6"
    & skf21("7","6","5","2","5","5","4","1") = "6"
    & skf21("7","6","5","2","5","5","5","1") = "6"
    & skf21("7","6","5","2","5","5","6","1") = "6"
    & skf21("7","6","5","2","5","5","7","1") = "6"
    & skf21("7","6","5","2","5","6","1","1") = "6"
    & skf21("7","6","5","2","5","6","2","1") = "6"
    & skf21("7","6","5","2","5","6","3","1") = "6"
    & skf21("7","6","5","2","5","6","4","1") = "6"
    & skf21("7","6","5","2","5","6","5","1") = "6"
    & skf21("7","6","5","2","5","6","6","1") = "6"
    & skf21("7","6","5","2","5","6","7","1") = "6"
    & skf21("7","6","5","2","5","7","1","1") = "6"
    & skf21("7","6","5","2","5","7","2","1") = "6"
    & skf21("7","6","5","2","5","7","3","1") = "6"
    & skf21("7","6","5","2","5","7","4","1") = "6"
    & skf21("7","6","5","2","5","7","5","1") = "6"
    & skf21("7","6","5","2","5","7","6","1") = "6"
    & skf21("7","6","5","2","5","7","7","1") = "6"
    & skf21("7","6","5","2","6","1","1","1") = "6"
    & skf21("7","6","5","2","6","1","2","1") = "6"
    & skf21("7","6","5","2","6","1","3","1") = "6"
    & skf21("7","6","5","2","6","1","4","1") = "6"
    & skf21("7","6","5","2","6","1","5","1") = "6"
    & skf21("7","6","5","2","6","1","6","1") = "6"
    & skf21("7","6","5","2","6","1","7","1") = "6"
    & skf21("7","6","5","2","6","2","1","1") = "6"
    & skf21("7","6","5","2","6","2","2","1") = "6"
    & skf21("7","6","5","2","6","2","3","1") = "6"
    & skf21("7","6","5","2","6","2","4","1") = "6"
    & skf21("7","6","5","2","6","2","5","1") = "6"
    & skf21("7","6","5","2","6","2","6","1") = "6"
    & skf21("7","6","5","2","6","2","7","1") = "6"
    & skf21("7","6","5","2","6","3","1","1") = "6"
    & skf21("7","6","5","2","6","3","2","1") = "6"
    & skf21("7","6","5","2","6","3","3","1") = "6"
    & skf21("7","6","5","2","6","3","4","1") = "6"
    & skf21("7","6","5","2","6","3","5","1") = "6"
    & skf21("7","6","5","2","6","3","6","1") = "6"
    & skf21("7","6","5","2","6","3","7","1") = "6"
    & skf21("7","6","5","2","6","4","1","1") = "6"
    & skf21("7","6","5","2","6","4","2","1") = "6"
    & skf21("7","6","5","2","6","4","3","1") = "6"
    & skf21("7","6","5","2","6","4","4","1") = "6"
    & skf21("7","6","5","2","6","4","5","1") = "6"
    & skf21("7","6","5","2","6","4","6","1") = "6"
    & skf21("7","6","5","2","6","4","7","1") = "6"
    & skf21("7","6","5","2","6","5","1","1") = "6"
    & skf21("7","6","5","2","6","5","2","1") = "6"
    & skf21("7","6","5","2","6","5","3","1") = "6"
    & skf21("7","6","5","2","6","5","4","1") = "6"
    & skf21("7","6","5","2","6","5","5","1") = "6"
    & skf21("7","6","5","2","6","5","6","1") = "6"
    & skf21("7","6","5","2","6","5","7","1") = "6"
    & skf21("7","6","5","2","6","6","1","1") = "6"
    & skf21("7","6","5","2","6","6","2","1") = "6"
    & skf21("7","6","5","2","6","6","3","1") = "6"
    & skf21("7","6","5","2","6","6","4","1") = "6"
    & skf21("7","6","5","2","6","6","5","1") = "6"
    & skf21("7","6","5","2","6","6","6","1") = "6"
    & skf21("7","6","5","2","6","6","7","1") = "6"
    & skf21("7","6","5","2","6","7","1","1") = "6"
    & skf21("7","6","5","2","6","7","2","1") = "6"
    & skf21("7","6","5","2","6","7","3","1") = "6"
    & skf21("7","6","5","2","6","7","4","1") = "6"
    & skf21("7","6","5","2","6","7","5","1") = "6"
    & skf21("7","6","5","2","6","7","6","1") = "6"
    & skf21("7","6","5","2","6","7","7","1") = "6"
    & skf21("7","6","5","2","7","1","1","1") = "6"
    & skf21("7","6","5","2","7","1","2","1") = "6"
    & skf21("7","6","5","2","7","1","3","1") = "6"
    & skf21("7","6","5","2","7","1","4","1") = "6"
    & skf21("7","6","5","2","7","1","5","1") = "6"
    & skf21("7","6","5","2","7","1","6","1") = "6"
    & skf21("7","6","5","2","7","1","7","1") = "6"
    & skf21("7","6","5","2","7","2","1","1") = "6"
    & skf21("7","6","5","2","7","2","2","1") = "6"
    & skf21("7","6","5","2","7","2","3","1") = "6"
    & skf21("7","6","5","2","7","2","4","1") = "6"
    & skf21("7","6","5","2","7","2","5","1") = "6"
    & skf21("7","6","5","2","7","2","6","1") = "6"
    & skf21("7","6","5","2","7","2","7","1") = "6"
    & skf21("7","6","5","2","7","3","1","1") = "6"
    & skf21("7","6","5","2","7","3","2","1") = "6"
    & skf21("7","6","5","2","7","3","3","1") = "6"
    & skf21("7","6","5","2","7","3","4","1") = "6"
    & skf21("7","6","5","2","7","3","5","1") = "6"
    & skf21("7","6","5","2","7","3","6","1") = "6"
    & skf21("7","6","5","2","7","3","7","1") = "6"
    & skf21("7","6","5","2","7","4","1","1") = "6"
    & skf21("7","6","5","2","7","4","2","1") = "6"
    & skf21("7","6","5","2","7","4","3","1") = "6"
    & skf21("7","6","5","2","7","4","4","1") = "6"
    & skf21("7","6","5","2","7","4","5","1") = "6"
    & skf21("7","6","5","2","7","4","6","1") = "6"
    & skf21("7","6","5","2","7","4","7","1") = "6"
    & skf21("7","6","5","2","7","5","1","1") = "6"
    & skf21("7","6","5","2","7","5","2","1") = "6"
    & skf21("7","6","5","2","7","5","3","1") = "6"
    & skf21("7","6","5","2","7","5","4","1") = "6"
    & skf21("7","6","5","2","7","5","5","1") = "6"
    & skf21("7","6","5","2","7","5","6","1") = "6"
    & skf21("7","6","5","2","7","5","7","1") = "6"
    & skf21("7","6","5","2","7","6","1","1") = "6"
    & skf21("7","6","5","2","7","6","2","1") = "6"
    & skf21("7","6","5","2","7","6","3","1") = "6"
    & skf21("7","6","5","2","7","6","4","1") = "6"
    & skf21("7","6","5","2","7","6","5","1") = "6"
    & skf21("7","6","5","2","7","6","6","1") = "6"
    & skf21("7","6","5","2","7","6","7","1") = "6"
    & skf21("7","6","5","2","7","7","1","1") = "6"
    & skf21("7","6","5","2","7","7","2","1") = "6"
    & skf21("7","6","5","2","7","7","3","1") = "6"
    & skf21("7","6","5","2","7","7","4","1") = "6"
    & skf21("7","6","5","2","7","7","5","1") = "6"
    & skf21("7","6","5","2","7","7","6","1") = "6"
    & skf21("7","6","5","2","7","7","7","1") = "6"
    & skf21("7","6","5","3","1","1","1","1") = "6"
    & skf21("7","6","5","3","1","1","2","1") = "6"
    & skf21("7","6","5","3","1","1","3","1") = "6"
    & skf21("7","6","5","3","1","1","4","1") = "6"
    & skf21("7","6","5","3","1","1","5","1") = "6"
    & skf21("7","6","5","3","1","1","6","1") = "6"
    & skf21("7","6","5","3","1","1","7","1") = "6"
    & skf21("7","6","5","3","1","2","1","1") = "6"
    & skf21("7","6","5","3","1","2","2","1") = "6"
    & skf21("7","6","5","3","1","2","3","1") = "6"
    & skf21("7","6","5","3","1","2","4","1") = "6"
    & skf21("7","6","5","3","1","2","5","1") = "6"
    & skf21("7","6","5","3","1","2","6","1") = "6"
    & skf21("7","6","5","3","1","2","7","1") = "6"
    & skf21("7","6","5","3","1","3","1","1") = "6"
    & skf21("7","6","5","3","1","3","2","1") = "6"
    & skf21("7","6","5","3","1","3","3","1") = "6"
    & skf21("7","6","5","3","1","3","4","1") = "6"
    & skf21("7","6","5","3","1","3","5","1") = "6"
    & skf21("7","6","5","3","1","3","6","1") = "6"
    & skf21("7","6","5","3","1","3","7","1") = "6"
    & skf21("7","6","5","3","1","4","1","1") = "6"
    & skf21("7","6","5","3","1","4","2","1") = "6"
    & skf21("7","6","5","3","1","4","3","1") = "6"
    & skf21("7","6","5","3","1","4","4","1") = "6"
    & skf21("7","6","5","3","1","4","5","1") = "6"
    & skf21("7","6","5","3","1","4","6","1") = "6"
    & skf21("7","6","5","3","1","4","7","1") = "6"
    & skf21("7","6","5","3","1","5","1","1") = "6"
    & skf21("7","6","5","3","1","5","2","1") = "6"
    & skf21("7","6","5","3","1","5","3","1") = "6"
    & skf21("7","6","5","3","1","5","4","1") = "6"
    & skf21("7","6","5","3","1","5","5","1") = "6"
    & skf21("7","6","5","3","1","5","6","1") = "6"
    & skf21("7","6","5","3","1","5","7","1") = "6"
    & skf21("7","6","5","3","1","6","1","1") = "6"
    & skf21("7","6","5","3","1","6","2","1") = "6"
    & skf21("7","6","5","3","1","6","3","1") = "6"
    & skf21("7","6","5","3","1","6","4","1") = "6"
    & skf21("7","6","5","3","1","6","5","1") = "6"
    & skf21("7","6","5","3","1","6","6","1") = "6"
    & skf21("7","6","5","3","1","6","7","1") = "6"
    & skf21("7","6","5","3","1","7","1","1") = "6"
    & skf21("7","6","5","3","1","7","2","1") = "6"
    & skf21("7","6","5","3","1","7","3","1") = "6"
    & skf21("7","6","5","3","1","7","4","1") = "6"
    & skf21("7","6","5","3","1","7","5","1") = "6"
    & skf21("7","6","5","3","1","7","6","1") = "6"
    & skf21("7","6","5","3","1","7","7","1") = "6"
    & skf21("7","6","5","3","2","1","1","1") = "6"
    & skf21("7","6","5","3","2","1","2","1") = "6"
    & skf21("7","6","5","3","2","1","3","1") = "6"
    & skf21("7","6","5","3","2","1","4","1") = "6"
    & skf21("7","6","5","3","2","1","5","1") = "6"
    & skf21("7","6","5","3","2","1","6","1") = "6"
    & skf21("7","6","5","3","2","1","7","1") = "6"
    & skf21("7","6","5","3","2","2","1","1") = "6"
    & skf21("7","6","5","3","2","2","2","1") = "6"
    & skf21("7","6","5","3","2","2","3","1") = "6"
    & skf21("7","6","5","3","2","2","4","1") = "6"
    & skf21("7","6","5","3","2","2","5","1") = "6"
    & skf21("7","6","5","3","2","2","6","1") = "6"
    & skf21("7","6","5","3","2","2","7","1") = "6"
    & skf21("7","6","5","3","2","3","1","1") = "6"
    & skf21("7","6","5","3","2","3","2","1") = "6"
    & skf21("7","6","5","3","2","3","3","1") = "6"
    & skf21("7","6","5","3","2","3","4","1") = "6"
    & skf21("7","6","5","3","2","3","5","1") = "6"
    & skf21("7","6","5","3","2","3","6","1") = "6"
    & skf21("7","6","5","3","2","3","7","1") = "6"
    & skf21("7","6","5","3","2","4","1","1") = "6"
    & skf21("7","6","5","3","2","4","2","1") = "6"
    & skf21("7","6","5","3","2","4","3","1") = "6"
    & skf21("7","6","5","3","2","4","4","1") = "6"
    & skf21("7","6","5","3","2","4","5","1") = "6"
    & skf21("7","6","5","3","2","4","6","1") = "6"
    & skf21("7","6","5","3","2","4","7","1") = "6"
    & skf21("7","6","5","3","2","5","1","1") = "6"
    & skf21("7","6","5","3","2","5","2","1") = "6"
    & skf21("7","6","5","3","2","5","3","1") = "6"
    & skf21("7","6","5","3","2","5","4","1") = "6"
    & skf21("7","6","5","3","2","5","5","1") = "6"
    & skf21("7","6","5","3","2","5","6","1") = "6"
    & skf21("7","6","5","3","2","5","7","1") = "6"
    & skf21("7","6","5","3","2","6","1","1") = "6"
    & skf21("7","6","5","3","2","6","2","1") = "6"
    & skf21("7","6","5","3","2","6","3","1") = "6"
    & skf21("7","6","5","3","2","6","4","1") = "6"
    & skf21("7","6","5","3","2","6","5","1") = "6"
    & skf21("7","6","5","3","2","6","6","1") = "6"
    & skf21("7","6","5","3","2","6","7","1") = "6"
    & skf21("7","6","5","3","2","7","1","1") = "6"
    & skf21("7","6","5","3","2","7","2","1") = "6"
    & skf21("7","6","5","3","2","7","3","1") = "6"
    & skf21("7","6","5","3","2","7","4","1") = "6"
    & skf21("7","6","5","3","2","7","5","1") = "6"
    & skf21("7","6","5","3","2","7","6","1") = "6"
    & skf21("7","6","5","3","2","7","7","1") = "6"
    & skf21("7","6","5","3","3","1","1","1") = "6"
    & skf21("7","6","5","3","3","1","2","1") = "6"
    & skf21("7","6","5","3","3","1","3","1") = "6"
    & skf21("7","6","5","3","3","1","4","1") = "6"
    & skf21("7","6","5","3","3","1","5","1") = "6"
    & skf21("7","6","5","3","3","1","6","1") = "6"
    & skf21("7","6","5","3","3","1","7","1") = "6"
    & skf21("7","6","5","3","3","2","1","1") = "6"
    & skf21("7","6","5","3","3","2","2","1") = "6"
    & skf21("7","6","5","3","3","2","3","1") = "6"
    & skf21("7","6","5","3","3","2","4","1") = "6"
    & skf21("7","6","5","3","3","2","5","1") = "6"
    & skf21("7","6","5","3","3","2","6","1") = "6"
    & skf21("7","6","5","3","3","2","7","1") = "6"
    & skf21("7","6","5","3","3","3","1","1") = "6"
    & skf21("7","6","5","3","3","3","2","1") = "6"
    & skf21("7","6","5","3","3","3","3","1") = "6"
    & skf21("7","6","5","3","3","3","4","1") = "6"
    & skf21("7","6","5","3","3","3","5","1") = "6"
    & skf21("7","6","5","3","3","3","6","1") = "6"
    & skf21("7","6","5","3","3","3","7","1") = "6"
    & skf21("7","6","5","3","3","4","1","1") = "6"
    & skf21("7","6","5","3","3","4","2","1") = "6"
    & skf21("7","6","5","3","3","4","3","1") = "6"
    & skf21("7","6","5","3","3","4","4","1") = "6"
    & skf21("7","6","5","3","3","4","5","1") = "6"
    & skf21("7","6","5","3","3","4","6","1") = "6"
    & skf21("7","6","5","3","3","4","7","1") = "6"
    & skf21("7","6","5","3","3","5","1","1") = "6"
    & skf21("7","6","5","3","3","5","2","1") = "6"
    & skf21("7","6","5","3","3","5","3","1") = "6"
    & skf21("7","6","5","3","3","5","4","1") = "6"
    & skf21("7","6","5","3","3","5","5","1") = "6"
    & skf21("7","6","5","3","3","5","6","1") = "6"
    & skf21("7","6","5","3","3","5","7","1") = "6"
    & skf21("7","6","5","3","3","6","1","1") = "6"
    & skf21("7","6","5","3","3","6","2","1") = "6"
    & skf21("7","6","5","3","3","6","3","1") = "6"
    & skf21("7","6","5","3","3","6","4","1") = "6"
    & skf21("7","6","5","3","3","6","5","1") = "6"
    & skf21("7","6","5","3","3","6","6","1") = "6"
    & skf21("7","6","5","3","3","6","7","1") = "6"
    & skf21("7","6","5","3","3","7","1","1") = "6"
    & skf21("7","6","5","3","3","7","2","1") = "6"
    & skf21("7","6","5","3","3","7","3","1") = "6"
    & skf21("7","6","5","3","3","7","4","1") = "6"
    & skf21("7","6","5","3","3","7","5","1") = "6"
    & skf21("7","6","5","3","3","7","6","1") = "6"
    & skf21("7","6","5","3","3","7","7","1") = "6"
    & skf21("7","6","5","3","4","1","1","1") = "6"
    & skf21("7","6","5","3","4","1","2","1") = "6"
    & skf21("7","6","5","3","4","1","3","1") = "6"
    & skf21("7","6","5","3","4","1","4","1") = "6"
    & skf21("7","6","5","3","4","1","5","1") = "6"
    & skf21("7","6","5","3","4","1","6","1") = "6"
    & skf21("7","6","5","3","4","1","7","1") = "6"
    & skf21("7","6","5","3","4","2","1","1") = "6"
    & skf21("7","6","5","3","4","2","2","1") = "6"
    & skf21("7","6","5","3","4","2","3","1") = "6"
    & skf21("7","6","5","3","4","2","4","1") = "6"
    & skf21("7","6","5","3","4","2","5","1") = "6"
    & skf21("7","6","5","3","4","2","6","1") = "6"
    & skf21("7","6","5","3","4","2","7","1") = "6"
    & skf21("7","6","5","3","4","3","1","1") = "6"
    & skf21("7","6","5","3","4","3","2","1") = "6"
    & skf21("7","6","5","3","4","3","3","1") = "6"
    & skf21("7","6","5","3","4","3","4","1") = "6"
    & skf21("7","6","5","3","4","3","5","1") = "6"
    & skf21("7","6","5","3","4","3","6","1") = "6"
    & skf21("7","6","5","3","4","3","7","1") = "6"
    & skf21("7","6","5","3","4","4","1","1") = "6"
    & skf21("7","6","5","3","4","4","2","1") = "6"
    & skf21("7","6","5","3","4","4","3","1") = "6"
    & skf21("7","6","5","3","4","4","4","1") = "6"
    & skf21("7","6","5","3","4","4","5","1") = "6"
    & skf21("7","6","5","3","4","4","6","1") = "6"
    & skf21("7","6","5","3","4","4","7","1") = "6"
    & skf21("7","6","5","3","4","5","1","1") = "6"
    & skf21("7","6","5","3","4","5","2","1") = "6"
    & skf21("7","6","5","3","4","5","3","1") = "6"
    & skf21("7","6","5","3","4","5","4","1") = "6"
    & skf21("7","6","5","3","4","5","5","1") = "6"
    & skf21("7","6","5","3","4","5","6","1") = "6"
    & skf21("7","6","5","3","4","5","7","1") = "6"
    & skf21("7","6","5","3","4","6","1","1") = "6"
    & skf21("7","6","5","3","4","6","2","1") = "6"
    & skf21("7","6","5","3","4","6","3","1") = "6"
    & skf21("7","6","5","3","4","6","4","1") = "6"
    & skf21("7","6","5","3","4","6","5","1") = "6"
    & skf21("7","6","5","3","4","6","6","1") = "6"
    & skf21("7","6","5","3","4","6","7","1") = "6"
    & skf21("7","6","5","3","4","7","1","1") = "6"
    & skf21("7","6","5","3","4","7","2","1") = "6"
    & skf21("7","6","5","3","4","7","3","1") = "6"
    & skf21("7","6","5","3","4","7","4","1") = "6"
    & skf21("7","6","5","3","4","7","5","1") = "6"
    & skf21("7","6","5","3","4","7","6","1") = "6"
    & skf21("7","6","5","3","4","7","7","1") = "6"
    & skf21("7","6","5","3","5","1","1","1") = "6"
    & skf21("7","6","5","3","5","1","2","1") = "6"
    & skf21("7","6","5","3","5","1","3","1") = "6"
    & skf21("7","6","5","3","5","1","4","1") = "6"
    & skf21("7","6","5","3","5","1","5","1") = "6"
    & skf21("7","6","5","3","5","1","6","1") = "6"
    & skf21("7","6","5","3","5","1","7","1") = "6"
    & skf21("7","6","5","3","5","2","1","1") = "6"
    & skf21("7","6","5","3","5","2","2","1") = "6"
    & skf21("7","6","5","3","5","2","3","1") = "6"
    & skf21("7","6","5","3","5","2","4","1") = "6"
    & skf21("7","6","5","3","5","2","5","1") = "6"
    & skf21("7","6","5","3","5","2","6","1") = "6"
    & skf21("7","6","5","3","5","2","7","1") = "6"
    & skf21("7","6","5","3","5","3","1","1") = "6"
    & skf21("7","6","5","3","5","3","2","1") = "6"
    & skf21("7","6","5","3","5","3","3","1") = "6"
    & skf21("7","6","5","3","5","3","4","1") = "6"
    & skf21("7","6","5","3","5","3","5","1") = "6"
    & skf21("7","6","5","3","5","3","6","1") = "6"
    & skf21("7","6","5","3","5","3","7","1") = "6"
    & skf21("7","6","5","3","5","4","1","1") = "6"
    & skf21("7","6","5","3","5","4","2","1") = "6"
    & skf21("7","6","5","3","5","4","3","1") = "6"
    & skf21("7","6","5","3","5","4","4","1") = "6"
    & skf21("7","6","5","3","5","4","5","1") = "6"
    & skf21("7","6","5","3","5","4","6","1") = "6"
    & skf21("7","6","5","3","5","4","7","1") = "6"
    & skf21("7","6","5","3","5","5","1","1") = "6"
    & skf21("7","6","5","3","5","5","2","1") = "6"
    & skf21("7","6","5","3","5","5","3","1") = "6"
    & skf21("7","6","5","3","5","5","4","1") = "6"
    & skf21("7","6","5","3","5","5","5","1") = "6"
    & skf21("7","6","5","3","5","5","6","1") = "6"
    & skf21("7","6","5","3","5","5","7","1") = "6"
    & skf21("7","6","5","3","5","6","1","1") = "6"
    & skf21("7","6","5","3","5","6","2","1") = "6"
    & skf21("7","6","5","3","5","6","3","1") = "6"
    & skf21("7","6","5","3","5","6","4","1") = "6"
    & skf21("7","6","5","3","5","6","5","1") = "6"
    & skf21("7","6","5","3","5","6","6","1") = "6"
    & skf21("7","6","5","3","5","6","7","1") = "6"
    & skf21("7","6","5","3","5","7","1","1") = "6"
    & skf21("7","6","5","3","5","7","2","1") = "6"
    & skf21("7","6","5","3","5","7","3","1") = "6"
    & skf21("7","6","5","3","5","7","4","1") = "6"
    & skf21("7","6","5","3","5","7","5","1") = "6"
    & skf21("7","6","5","3","5","7","6","1") = "6"
    & skf21("7","6","5","3","5","7","7","1") = "6"
    & skf21("7","6","5","3","6","1","1","1") = "6"
    & skf21("7","6","5","3","6","1","2","1") = "6"
    & skf21("7","6","5","3","6","1","3","1") = "6"
    & skf21("7","6","5","3","6","1","4","1") = "6"
    & skf21("7","6","5","3","6","1","5","1") = "6"
    & skf21("7","6","5","3","6","1","6","1") = "6"
    & skf21("7","6","5","3","6","1","7","1") = "6"
    & skf21("7","6","5","3","6","2","1","1") = "6"
    & skf21("7","6","5","3","6","2","2","1") = "6"
    & skf21("7","6","5","3","6","2","3","1") = "6"
    & skf21("7","6","5","3","6","2","4","1") = "6"
    & skf21("7","6","5","3","6","2","5","1") = "6"
    & skf21("7","6","5","3","6","2","6","1") = "6"
    & skf21("7","6","5","3","6","2","7","1") = "6"
    & skf21("7","6","5","3","6","3","1","1") = "6"
    & skf21("7","6","5","3","6","3","2","1") = "6"
    & skf21("7","6","5","3","6","3","3","1") = "6"
    & skf21("7","6","5","3","6","3","4","1") = "6"
    & skf21("7","6","5","3","6","3","5","1") = "6"
    & skf21("7","6","5","3","6","3","6","1") = "6"
    & skf21("7","6","5","3","6","3","7","1") = "6"
    & skf21("7","6","5","3","6","4","1","1") = "6"
    & skf21("7","6","5","3","6","4","2","1") = "6"
    & skf21("7","6","5","3","6","4","3","1") = "6"
    & skf21("7","6","5","3","6","4","4","1") = "6"
    & skf21("7","6","5","3","6","4","5","1") = "6"
    & skf21("7","6","5","3","6","4","6","1") = "6"
    & skf21("7","6","5","3","6","4","7","1") = "6"
    & skf21("7","6","5","3","6","5","1","1") = "6"
    & skf21("7","6","5","3","6","5","2","1") = "6"
    & skf21("7","6","5","3","6","5","3","1") = "6"
    & skf21("7","6","5","3","6","5","4","1") = "6"
    & skf21("7","6","5","3","6","5","5","1") = "6"
    & skf21("7","6","5","3","6","5","6","1") = "6"
    & skf21("7","6","5","3","6","5","7","1") = "6"
    & skf21("7","6","5","3","6","6","1","1") = "6"
    & skf21("7","6","5","3","6","6","2","1") = "6"
    & skf21("7","6","5","3","6","6","3","1") = "6"
    & skf21("7","6","5","3","6","6","4","1") = "6"
    & skf21("7","6","5","3","6","6","5","1") = "6"
    & skf21("7","6","5","3","6","6","6","1") = "6"
    & skf21("7","6","5","3","6","6","7","1") = "6"
    & skf21("7","6","5","3","6","7","1","1") = "6"
    & skf21("7","6","5","3","6","7","2","1") = "6"
    & skf21("7","6","5","3","6","7","3","1") = "6"
    & skf21("7","6","5","3","6","7","4","1") = "6"
    & skf21("7","6","5","3","6","7","5","1") = "6"
    & skf21("7","6","5","3","6","7","6","1") = "6"
    & skf21("7","6","5","3","6","7","7","1") = "6"
    & skf21("7","6","5","3","7","1","1","1") = "6"
    & skf21("7","6","5","3","7","1","2","1") = "6"
    & skf21("7","6","5","3","7","1","3","1") = "6"
    & skf21("7","6","5","3","7","1","4","1") = "6"
    & skf21("7","6","5","3","7","1","5","1") = "6"
    & skf21("7","6","5","3","7","1","6","1") = "6"
    & skf21("7","6","5","3","7","1","7","1") = "6"
    & skf21("7","6","5","3","7","2","1","1") = "6"
    & skf21("7","6","5","3","7","2","2","1") = "6"
    & skf21("7","6","5","3","7","2","3","1") = "6"
    & skf21("7","6","5","3","7","2","4","1") = "6"
    & skf21("7","6","5","3","7","2","5","1") = "6"
    & skf21("7","6","5","3","7","2","6","1") = "6"
    & skf21("7","6","5","3","7","2","7","1") = "6"
    & skf21("7","6","5","3","7","3","1","1") = "6"
    & skf21("7","6","5","3","7","3","2","1") = "6"
    & skf21("7","6","5","3","7","3","3","1") = "6"
    & skf21("7","6","5","3","7","3","4","1") = "6"
    & skf21("7","6","5","3","7","3","5","1") = "6"
    & skf21("7","6","5","3","7","3","6","1") = "6"
    & skf21("7","6","5","3","7","3","7","1") = "6"
    & skf21("7","6","5","3","7","4","1","1") = "6"
    & skf21("7","6","5","3","7","4","2","1") = "6"
    & skf21("7","6","5","3","7","4","3","1") = "6"
    & skf21("7","6","5","3","7","4","4","1") = "6"
    & skf21("7","6","5","3","7","4","5","1") = "6"
    & skf21("7","6","5","3","7","4","6","1") = "6"
    & skf21("7","6","5","3","7","4","7","1") = "6"
    & skf21("7","6","5","3","7","5","1","1") = "6"
    & skf21("7","6","5","3","7","5","2","1") = "6"
    & skf21("7","6","5","3","7","5","3","1") = "6"
    & skf21("7","6","5","3","7","5","4","1") = "6"
    & skf21("7","6","5","3","7","5","5","1") = "6"
    & skf21("7","6","5","3","7","5","6","1") = "6"
    & skf21("7","6","5","3","7","5","7","1") = "6"
    & skf21("7","6","5","3","7","6","1","1") = "6"
    & skf21("7","6","5","3","7","6","2","1") = "6"
    & skf21("7","6","5","3","7","6","3","1") = "6"
    & skf21("7","6","5","3","7","6","4","1") = "6"
    & skf21("7","6","5","3","7","6","5","1") = "6"
    & skf21("7","6","5","3","7","6","6","1") = "6"
    & skf21("7","6","5","3","7","6","7","1") = "6"
    & skf21("7","6","5","3","7","7","1","1") = "6"
    & skf21("7","6","5","3","7","7","2","1") = "6"
    & skf21("7","6","5","3","7","7","3","1") = "6"
    & skf21("7","6","5","3","7","7","4","1") = "6"
    & skf21("7","6","5","3","7","7","5","1") = "6"
    & skf21("7","6","5","3","7","7","6","1") = "6"
    & skf21("7","6","5","3","7","7","7","1") = "6"
    & skf21("7","6","5","4","1","1","1","1") = "6"
    & skf21("7","6","5","4","1","1","2","1") = "6"
    & skf21("7","6","5","4","1","1","3","1") = "6"
    & skf21("7","6","5","4","1","1","4","1") = "6"
    & skf21("7","6","5","4","1","1","5","1") = "6"
    & skf21("7","6","5","4","1","1","6","1") = "6"
    & skf21("7","6","5","4","1","1","7","1") = "6"
    & skf21("7","6","5","4","1","2","1","1") = "6"
    & skf21("7","6","5","4","1","2","2","1") = "6"
    & skf21("7","6","5","4","1","2","3","1") = "6"
    & skf21("7","6","5","4","1","2","4","1") = "6"
    & skf21("7","6","5","4","1","2","5","1") = "6"
    & skf21("7","6","5","4","1","2","6","1") = "6"
    & skf21("7","6","5","4","1","2","7","1") = "6"
    & skf21("7","6","5","4","1","3","1","1") = "6"
    & skf21("7","6","5","4","1","3","2","1") = "6"
    & skf21("7","6","5","4","1","3","3","1") = "6"
    & skf21("7","6","5","4","1","3","4","1") = "6"
    & skf21("7","6","5","4","1","3","5","1") = "6"
    & skf21("7","6","5","4","1","3","6","1") = "6"
    & skf21("7","6","5","4","1","3","7","1") = "6"
    & skf21("7","6","5","4","1","4","1","1") = "6"
    & skf21("7","6","5","4","1","4","2","1") = "6"
    & skf21("7","6","5","4","1","4","3","1") = "6"
    & skf21("7","6","5","4","1","4","4","1") = "6"
    & skf21("7","6","5","4","1","4","5","1") = "6"
    & skf21("7","6","5","4","1","4","6","1") = "6"
    & skf21("7","6","5","4","1","4","7","1") = "6"
    & skf21("7","6","5","4","1","5","1","1") = "6"
    & skf21("7","6","5","4","1","5","2","1") = "6"
    & skf21("7","6","5","4","1","5","3","1") = "6"
    & skf21("7","6","5","4","1","5","4","1") = "6"
    & skf21("7","6","5","4","1","5","5","1") = "6"
    & skf21("7","6","5","4","1","5","6","1") = "6"
    & skf21("7","6","5","4","1","5","7","1") = "6"
    & skf21("7","6","5","4","1","6","1","1") = "6"
    & skf21("7","6","5","4","1","6","2","1") = "6"
    & skf21("7","6","5","4","1","6","3","1") = "6"
    & skf21("7","6","5","4","1","6","4","1") = "6"
    & skf21("7","6","5","4","1","6","5","1") = "6"
    & skf21("7","6","5","4","1","6","6","1") = "6"
    & skf21("7","6","5","4","1","6","7","1") = "6"
    & skf21("7","6","5","4","1","7","1","1") = "6"
    & skf21("7","6","5","4","1","7","2","1") = "6"
    & skf21("7","6","5","4","1","7","3","1") = "6"
    & skf21("7","6","5","4","1","7","4","1") = "6"
    & skf21("7","6","5","4","1","7","5","1") = "6"
    & skf21("7","6","5","4","1","7","6","1") = "6"
    & skf21("7","6","5","4","1","7","7","1") = "6"
    & skf21("7","6","5","4","2","1","1","1") = "6"
    & skf21("7","6","5","4","2","1","2","1") = "6"
    & skf21("7","6","5","4","2","1","3","1") = "6"
    & skf21("7","6","5","4","2","1","4","1") = "6"
    & skf21("7","6","5","4","2","1","5","1") = "6"
    & skf21("7","6","5","4","2","1","6","1") = "6"
    & skf21("7","6","5","4","2","1","7","1") = "6"
    & skf21("7","6","5","4","2","2","1","1") = "6"
    & skf21("7","6","5","4","2","2","2","1") = "6"
    & skf21("7","6","5","4","2","2","3","1") = "6"
    & skf21("7","6","5","4","2","2","4","1") = "6"
    & skf21("7","6","5","4","2","2","5","1") = "6"
    & skf21("7","6","5","4","2","2","6","1") = "6"
    & skf21("7","6","5","4","2","2","7","1") = "6"
    & skf21("7","6","5","4","2","3","1","1") = "6"
    & skf21("7","6","5","4","2","3","2","1") = "6"
    & skf21("7","6","5","4","2","3","3","1") = "6"
    & skf21("7","6","5","4","2","3","4","1") = "6"
    & skf21("7","6","5","4","2","3","5","1") = "6"
    & skf21("7","6","5","4","2","3","6","1") = "6"
    & skf21("7","6","5","4","2","3","7","1") = "6"
    & skf21("7","6","5","4","2","4","1","1") = "6"
    & skf21("7","6","5","4","2","4","2","1") = "6"
    & skf21("7","6","5","4","2","4","3","1") = "6"
    & skf21("7","6","5","4","2","4","4","1") = "6"
    & skf21("7","6","5","4","2","4","5","1") = "6"
    & skf21("7","6","5","4","2","4","6","1") = "6"
    & skf21("7","6","5","4","2","4","7","1") = "6"
    & skf21("7","6","5","4","2","5","1","1") = "6"
    & skf21("7","6","5","4","2","5","2","1") = "6"
    & skf21("7","6","5","4","2","5","3","1") = "6"
    & skf21("7","6","5","4","2","5","4","1") = "6"
    & skf21("7","6","5","4","2","5","5","1") = "6"
    & skf21("7","6","5","4","2","5","6","1") = "6"
    & skf21("7","6","5","4","2","5","7","1") = "6"
    & skf21("7","6","5","4","2","6","1","1") = "6"
    & skf21("7","6","5","4","2","6","2","1") = "6"
    & skf21("7","6","5","4","2","6","3","1") = "6"
    & skf21("7","6","5","4","2","6","4","1") = "6"
    & skf21("7","6","5","4","2","6","5","1") = "6"
    & skf21("7","6","5","4","2","6","6","1") = "6"
    & skf21("7","6","5","4","2","6","7","1") = "6"
    & skf21("7","6","5","4","2","7","1","1") = "6"
    & skf21("7","6","5","4","2","7","2","1") = "6"
    & skf21("7","6","5","4","2","7","3","1") = "6"
    & skf21("7","6","5","4","2","7","4","1") = "6"
    & skf21("7","6","5","4","2","7","5","1") = "6"
    & skf21("7","6","5","4","2","7","6","1") = "6"
    & skf21("7","6","5","4","2","7","7","1") = "6"
    & skf21("7","6","5","4","3","1","1","1") = "6"
    & skf21("7","6","5","4","3","1","2","1") = "6"
    & skf21("7","6","5","4","3","1","3","1") = "6"
    & skf21("7","6","5","4","3","1","4","1") = "6"
    & skf21("7","6","5","4","3","1","5","1") = "6"
    & skf21("7","6","5","4","3","1","6","1") = "6"
    & skf21("7","6","5","4","3","1","7","1") = "6"
    & skf21("7","6","5","4","3","2","1","1") = "6"
    & skf21("7","6","5","4","3","2","2","1") = "6"
    & skf21("7","6","5","4","3","2","3","1") = "6"
    & skf21("7","6","5","4","3","2","4","1") = "6"
    & skf21("7","6","5","4","3","2","5","1") = "6"
    & skf21("7","6","5","4","3","2","6","1") = "6"
    & skf21("7","6","5","4","3","2","7","1") = "6"
    & skf21("7","6","5","4","3","3","1","1") = "6"
    & skf21("7","6","5","4","3","3","2","1") = "6"
    & skf21("7","6","5","4","3","3","3","1") = "6"
    & skf21("7","6","5","4","3","3","4","1") = "6"
    & skf21("7","6","5","4","3","3","5","1") = "6"
    & skf21("7","6","5","4","3","3","6","1") = "6"
    & skf21("7","6","5","4","3","3","7","1") = "6"
    & skf21("7","6","5","4","3","4","1","1") = "6"
    & skf21("7","6","5","4","3","4","2","1") = "6"
    & skf21("7","6","5","4","3","4","3","1") = "6"
    & skf21("7","6","5","4","3","4","4","1") = "6"
    & skf21("7","6","5","4","3","4","5","1") = "6"
    & skf21("7","6","5","4","3","4","6","1") = "6"
    & skf21("7","6","5","4","3","4","7","1") = "6"
    & skf21("7","6","5","4","3","5","1","1") = "6"
    & skf21("7","6","5","4","3","5","2","1") = "6"
    & skf21("7","6","5","4","3","5","3","1") = "6"
    & skf21("7","6","5","4","3","5","4","1") = "6"
    & skf21("7","6","5","4","3","5","5","1") = "6"
    & skf21("7","6","5","4","3","5","6","1") = "6"
    & skf21("7","6","5","4","3","5","7","1") = "6"
    & skf21("7","6","5","4","3","6","1","1") = "6"
    & skf21("7","6","5","4","3","6","2","1") = "6"
    & skf21("7","6","5","4","3","6","3","1") = "6"
    & skf21("7","6","5","4","3","6","4","1") = "6"
    & skf21("7","6","5","4","3","6","5","1") = "6"
    & skf21("7","6","5","4","3","6","6","1") = "6"
    & skf21("7","6","5","4","3","6","7","1") = "6"
    & skf21("7","6","5","4","3","7","1","1") = "6"
    & skf21("7","6","5","4","3","7","2","1") = "6"
    & skf21("7","6","5","4","3","7","3","1") = "6"
    & skf21("7","6","5","4","3","7","4","1") = "6"
    & skf21("7","6","5","4","3","7","5","1") = "6"
    & skf21("7","6","5","4","3","7","6","1") = "6"
    & skf21("7","6","5","4","3","7","7","1") = "6"
    & skf21("7","6","5","4","4","1","1","1") = "6"
    & skf21("7","6","5","4","4","1","2","1") = "6"
    & skf21("7","6","5","4","4","1","3","1") = "6"
    & skf21("7","6","5","4","4","1","4","1") = "6"
    & skf21("7","6","5","4","4","1","5","1") = "6"
    & skf21("7","6","5","4","4","1","6","1") = "6"
    & skf21("7","6","5","4","4","1","7","1") = "6"
    & skf21("7","6","5","4","4","2","1","1") = "6"
    & skf21("7","6","5","4","4","2","2","1") = "6"
    & skf21("7","6","5","4","4","2","3","1") = "6"
    & skf21("7","6","5","4","4","2","4","1") = "6"
    & skf21("7","6","5","4","4","2","5","1") = "6"
    & skf21("7","6","5","4","4","2","6","1") = "6"
    & skf21("7","6","5","4","4","2","7","1") = "6"
    & skf21("7","6","5","4","4","3","1","1") = "6"
    & skf21("7","6","5","4","4","3","2","1") = "6"
    & skf21("7","6","5","4","4","3","3","1") = "6"
    & skf21("7","6","5","4","4","3","4","1") = "6"
    & skf21("7","6","5","4","4","3","5","1") = "6"
    & skf21("7","6","5","4","4","3","6","1") = "6"
    & skf21("7","6","5","4","4","3","7","1") = "6"
    & skf21("7","6","5","4","4","4","1","1") = "6"
    & skf21("7","6","5","4","4","4","2","1") = "6"
    & skf21("7","6","5","4","4","4","3","1") = "6"
    & skf21("7","6","5","4","4","4","4","1") = "6"
    & skf21("7","6","5","4","4","4","5","1") = "6"
    & skf21("7","6","5","4","4","4","6","1") = "6"
    & skf21("7","6","5","4","4","4","7","1") = "6"
    & skf21("7","6","5","4","4","5","1","1") = "6"
    & skf21("7","6","5","4","4","5","2","1") = "6"
    & skf21("7","6","5","4","4","5","3","1") = "6"
    & skf21("7","6","5","4","4","5","4","1") = "6"
    & skf21("7","6","5","4","4","5","5","1") = "6"
    & skf21("7","6","5","4","4","5","6","1") = "6"
    & skf21("7","6","5","4","4","5","7","1") = "6"
    & skf21("7","6","5","4","4","6","1","1") = "6"
    & skf21("7","6","5","4","4","6","2","1") = "6"
    & skf21("7","6","5","4","4","6","3","1") = "6"
    & skf21("7","6","5","4","4","6","4","1") = "6"
    & skf21("7","6","5","4","4","6","5","1") = "6"
    & skf21("7","6","5","4","4","6","6","1") = "6"
    & skf21("7","6","5","4","4","6","7","1") = "6"
    & skf21("7","6","5","4","4","7","1","1") = "6"
    & skf21("7","6","5","4","4","7","2","1") = "6"
    & skf21("7","6","5","4","4","7","3","1") = "6"
    & skf21("7","6","5","4","4","7","4","1") = "6"
    & skf21("7","6","5","4","4","7","5","1") = "6"
    & skf21("7","6","5","4","4","7","6","1") = "6"
    & skf21("7","6","5","4","4","7","7","1") = "6"
    & skf21("7","6","5","4","5","1","1","1") = "6"
    & skf21("7","6","5","4","5","1","2","1") = "6"
    & skf21("7","6","5","4","5","1","3","1") = "6"
    & skf21("7","6","5","4","5","1","4","1") = "6"
    & skf21("7","6","5","4","5","1","5","1") = "6"
    & skf21("7","6","5","4","5","1","6","1") = "6"
    & skf21("7","6","5","4","5","1","7","1") = "6"
    & skf21("7","6","5","4","5","2","1","1") = "6"
    & skf21("7","6","5","4","5","2","2","1") = "6"
    & skf21("7","6","5","4","5","2","3","1") = "6"
    & skf21("7","6","5","4","5","2","4","1") = "6"
    & skf21("7","6","5","4","5","2","5","1") = "6"
    & skf21("7","6","5","4","5","2","6","1") = "6"
    & skf21("7","6","5","4","5","2","7","1") = "6"
    & skf21("7","6","5","4","5","3","1","1") = "6"
    & skf21("7","6","5","4","5","3","2","1") = "6"
    & skf21("7","6","5","4","5","3","3","1") = "6"
    & skf21("7","6","5","4","5","3","4","1") = "6"
    & skf21("7","6","5","4","5","3","5","1") = "6"
    & skf21("7","6","5","4","5","3","6","1") = "6"
    & skf21("7","6","5","4","5","3","7","1") = "6"
    & skf21("7","6","5","4","5","4","1","1") = "6"
    & skf21("7","6","5","4","5","4","2","1") = "6"
    & skf21("7","6","5","4","5","4","3","1") = "6"
    & skf21("7","6","5","4","5","4","4","1") = "6"
    & skf21("7","6","5","4","5","4","5","1") = "6"
    & skf21("7","6","5","4","5","4","6","1") = "6"
    & skf21("7","6","5","4","5","4","7","1") = "6"
    & skf21("7","6","5","4","5","5","1","1") = "6"
    & skf21("7","6","5","4","5","5","2","1") = "6"
    & skf21("7","6","5","4","5","5","3","1") = "6"
    & skf21("7","6","5","4","5","5","4","1") = "6"
    & skf21("7","6","5","4","5","5","5","1") = "6"
    & skf21("7","6","5","4","5","5","6","1") = "6"
    & skf21("7","6","5","4","5","5","7","1") = "6"
    & skf21("7","6","5","4","5","6","1","1") = "6"
    & skf21("7","6","5","4","5","6","2","1") = "6"
    & skf21("7","6","5","4","5","6","3","1") = "6"
    & skf21("7","6","5","4","5","6","4","1") = "6"
    & skf21("7","6","5","4","5","6","5","1") = "6"
    & skf21("7","6","5","4","5","6","6","1") = "6"
    & skf21("7","6","5","4","5","6","7","1") = "6"
    & skf21("7","6","5","4","5","7","1","1") = "6"
    & skf21("7","6","5","4","5","7","2","1") = "6"
    & skf21("7","6","5","4","5","7","3","1") = "6"
    & skf21("7","6","5","4","5","7","4","1") = "6"
    & skf21("7","6","5","4","5","7","5","1") = "6"
    & skf21("7","6","5","4","5","7","6","1") = "6"
    & skf21("7","6","5","4","5","7","7","1") = "6"
    & skf21("7","6","5","4","6","1","1","1") = "6"
    & skf21("7","6","5","4","6","1","2","1") = "6"
    & skf21("7","6","5","4","6","1","3","1") = "6"
    & skf21("7","6","5","4","6","1","4","1") = "6"
    & skf21("7","6","5","4","6","1","5","1") = "6"
    & skf21("7","6","5","4","6","1","6","1") = "6"
    & skf21("7","6","5","4","6","1","7","1") = "6"
    & skf21("7","6","5","4","6","2","1","1") = "6"
    & skf21("7","6","5","4","6","2","2","1") = "6"
    & skf21("7","6","5","4","6","2","3","1") = "6"
    & skf21("7","6","5","4","6","2","4","1") = "6"
    & skf21("7","6","5","4","6","2","5","1") = "6"
    & skf21("7","6","5","4","6","2","6","1") = "6"
    & skf21("7","6","5","4","6","2","7","1") = "6"
    & skf21("7","6","5","4","6","3","1","1") = "6"
    & skf21("7","6","5","4","6","3","2","1") = "6"
    & skf21("7","6","5","4","6","3","3","1") = "6"
    & skf21("7","6","5","4","6","3","4","1") = "6"
    & skf21("7","6","5","4","6","3","5","1") = "6"
    & skf21("7","6","5","4","6","3","6","1") = "6"
    & skf21("7","6","5","4","6","3","7","1") = "6"
    & skf21("7","6","5","4","6","4","1","1") = "6"
    & skf21("7","6","5","4","6","4","2","1") = "6"
    & skf21("7","6","5","4","6","4","3","1") = "6"
    & skf21("7","6","5","4","6","4","4","1") = "6"
    & skf21("7","6","5","4","6","4","5","1") = "6"
    & skf21("7","6","5","4","6","4","6","1") = "6"
    & skf21("7","6","5","4","6","4","7","1") = "6"
    & skf21("7","6","5","4","6","5","1","1") = "6"
    & skf21("7","6","5","4","6","5","2","1") = "6"
    & skf21("7","6","5","4","6","5","3","1") = "6"
    & skf21("7","6","5","4","6","5","4","1") = "6"
    & skf21("7","6","5","4","6","5","5","1") = "6"
    & skf21("7","6","5","4","6","5","6","1") = "6"
    & skf21("7","6","5","4","6","5","7","1") = "6"
    & skf21("7","6","5","4","6","6","1","1") = "6"
    & skf21("7","6","5","4","6","6","2","1") = "6"
    & skf21("7","6","5","4","6","6","3","1") = "6"
    & skf21("7","6","5","4","6","6","4","1") = "6"
    & skf21("7","6","5","4","6","6","5","1") = "6"
    & skf21("7","6","5","4","6","6","6","1") = "6"
    & skf21("7","6","5","4","6","6","7","1") = "6"
    & skf21("7","6","5","4","6","7","1","1") = "6"
    & skf21("7","6","5","4","6","7","2","1") = "6"
    & skf21("7","6","5","4","6","7","3","1") = "6"
    & skf21("7","6","5","4","6","7","4","1") = "6"
    & skf21("7","6","5","4","6","7","5","1") = "6"
    & skf21("7","6","5","4","6","7","6","1") = "6"
    & skf21("7","6","5","4","6","7","7","1") = "6"
    & skf21("7","6","5","4","7","1","1","1") = "6"
    & skf21("7","6","5","4","7","1","2","1") = "6"
    & skf21("7","6","5","4","7","1","3","1") = "6"
    & skf21("7","6","5","4","7","1","4","1") = "6"
    & skf21("7","6","5","4","7","1","5","1") = "6"
    & skf21("7","6","5","4","7","1","6","1") = "6"
    & skf21("7","6","5","4","7","1","7","1") = "6"
    & skf21("7","6","5","4","7","2","1","1") = "6"
    & skf21("7","6","5","4","7","2","2","1") = "6"
    & skf21("7","6","5","4","7","2","3","1") = "6"
    & skf21("7","6","5","4","7","2","4","1") = "6"
    & skf21("7","6","5","4","7","2","5","1") = "6"
    & skf21("7","6","5","4","7","2","6","1") = "6"
    & skf21("7","6","5","4","7","2","7","1") = "6"
    & skf21("7","6","5","4","7","3","1","1") = "6"
    & skf21("7","6","5","4","7","3","2","1") = "6"
    & skf21("7","6","5","4","7","3","3","1") = "6"
    & skf21("7","6","5","4","7","3","4","1") = "6"
    & skf21("7","6","5","4","7","3","5","1") = "6"
    & skf21("7","6","5","4","7","3","6","1") = "6"
    & skf21("7","6","5","4","7","3","7","1") = "6"
    & skf21("7","6","5","4","7","4","1","1") = "6"
    & skf21("7","6","5","4","7","4","2","1") = "6"
    & skf21("7","6","5","4","7","4","3","1") = "6"
    & skf21("7","6","5","4","7","4","4","1") = "6"
    & skf21("7","6","5","4","7","4","5","1") = "6"
    & skf21("7","6","5","4","7","4","6","1") = "6"
    & skf21("7","6","5","4","7","4","7","1") = "6"
    & skf21("7","6","5","4","7","5","1","1") = "6"
    & skf21("7","6","5","4","7","5","2","1") = "6"
    & skf21("7","6","5","4","7","5","3","1") = "6"
    & skf21("7","6","5","4","7","5","4","1") = "6"
    & skf21("7","6","5","4","7","5","5","1") = "6"
    & skf21("7","6","5","4","7","5","6","1") = "6"
    & skf21("7","6","5","4","7","5","7","1") = "6"
    & skf21("7","6","5","4","7","6","1","1") = "6"
    & skf21("7","6","5","4","7","6","2","1") = "6"
    & skf21("7","6","5","4","7","6","3","1") = "6"
    & skf21("7","6","5","4","7","6","4","1") = "6"
    & skf21("7","6","5","4","7","6","5","1") = "6"
    & skf21("7","6","5","4","7","6","6","1") = "6"
    & skf21("7","6","5","4","7","6","7","1") = "6"
    & skf21("7","6","5","4","7","7","1","1") = "6"
    & skf21("7","6","5","4","7","7","2","1") = "6"
    & skf21("7","6","5","4","7","7","3","1") = "6"
    & skf21("7","6","5","4","7","7","4","1") = "6"
    & skf21("7","6","5","4","7","7","5","1") = "6"
    & skf21("7","6","5","4","7","7","6","1") = "6"
    & skf21("7","6","5","4","7","7","7","1") = "6"
    & skf21("7","6","5","5","1","1","1","1") = "6"
    & skf21("7","6","5","5","1","1","2","1") = "6"
    & skf21("7","6","5","5","1","1","3","1") = "6"
    & skf21("7","6","5","5","1","1","4","1") = "6"
    & skf21("7","6","5","5","1","1","5","1") = "6"
    & skf21("7","6","5","5","1","1","6","1") = "6"
    & skf21("7","6","5","5","1","1","7","1") = "6"
    & skf21("7","6","5","5","1","2","1","1") = "6"
    & skf21("7","6","5","5","1","2","2","1") = "6"
    & skf21("7","6","5","5","1","2","3","1") = "6"
    & skf21("7","6","5","5","1","2","4","1") = "6"
    & skf21("7","6","5","5","1","2","5","1") = "6"
    & skf21("7","6","5","5","1","2","6","1") = "6"
    & skf21("7","6","5","5","1","2","7","1") = "6"
    & skf21("7","6","5","5","1","3","1","1") = "6"
    & skf21("7","6","5","5","1","3","2","1") = "6"
    & skf21("7","6","5","5","1","3","3","1") = "6"
    & skf21("7","6","5","5","1","3","4","1") = "6"
    & skf21("7","6","5","5","1","3","5","1") = "6"
    & skf21("7","6","5","5","1","3","6","1") = "6"
    & skf21("7","6","5","5","1","3","7","1") = "6"
    & skf21("7","6","5","5","1","4","1","1") = "6"
    & skf21("7","6","5","5","1","4","2","1") = "6"
    & skf21("7","6","5","5","1","4","3","1") = "6"
    & skf21("7","6","5","5","1","4","4","1") = "6"
    & skf21("7","6","5","5","1","4","5","1") = "6"
    & skf21("7","6","5","5","1","4","6","1") = "6"
    & skf21("7","6","5","5","1","4","7","1") = "6"
    & skf21("7","6","5","5","1","5","1","1") = "6"
    & skf21("7","6","5","5","1","5","2","1") = "6"
    & skf21("7","6","5","5","1","5","3","1") = "6"
    & skf21("7","6","5","5","1","5","4","1") = "6"
    & skf21("7","6","5","5","1","5","5","1") = "6"
    & skf21("7","6","5","5","1","5","6","1") = "6"
    & skf21("7","6","5","5","1","5","7","1") = "6"
    & skf21("7","6","5","5","1","6","1","1") = "6"
    & skf21("7","6","5","5","1","6","2","1") = "6"
    & skf21("7","6","5","5","1","6","3","1") = "6"
    & skf21("7","6","5","5","1","6","4","1") = "6"
    & skf21("7","6","5","5","1","6","5","1") = "6"
    & skf21("7","6","5","5","1","6","6","1") = "6"
    & skf21("7","6","5","5","1","6","7","1") = "6"
    & skf21("7","6","5","5","1","7","1","1") = "6"
    & skf21("7","6","5","5","1","7","2","1") = "6"
    & skf21("7","6","5","5","1","7","3","1") = "6"
    & skf21("7","6","5","5","1","7","4","1") = "6"
    & skf21("7","6","5","5","1","7","5","1") = "6"
    & skf21("7","6","5","5","1","7","6","1") = "6"
    & skf21("7","6","5","5","1","7","7","1") = "6"
    & skf21("7","6","5","5","2","1","1","1") = "6"
    & skf21("7","6","5","5","2","1","2","1") = "6"
    & skf21("7","6","5","5","2","1","3","1") = "6"
    & skf21("7","6","5","5","2","1","4","1") = "6"
    & skf21("7","6","5","5","2","1","5","1") = "6"
    & skf21("7","6","5","5","2","1","6","1") = "6"
    & skf21("7","6","5","5","2","1","7","1") = "6"
    & skf21("7","6","5","5","2","2","1","1") = "6"
    & skf21("7","6","5","5","2","2","2","1") = "6"
    & skf21("7","6","5","5","2","2","3","1") = "6"
    & skf21("7","6","5","5","2","2","4","1") = "6"
    & skf21("7","6","5","5","2","2","5","1") = "6"
    & skf21("7","6","5","5","2","2","6","1") = "6"
    & skf21("7","6","5","5","2","2","7","1") = "6"
    & skf21("7","6","5","5","2","3","1","1") = "6"
    & skf21("7","6","5","5","2","3","2","1") = "6"
    & skf21("7","6","5","5","2","3","3","1") = "6"
    & skf21("7","6","5","5","2","3","4","1") = "6"
    & skf21("7","6","5","5","2","3","5","1") = "6"
    & skf21("7","6","5","5","2","3","6","1") = "6"
    & skf21("7","6","5","5","2","3","7","1") = "6"
    & skf21("7","6","5","5","2","4","1","1") = "6"
    & skf21("7","6","5","5","2","4","2","1") = "6"
    & skf21("7","6","5","5","2","4","3","1") = "6"
    & skf21("7","6","5","5","2","4","4","1") = "6"
    & skf21("7","6","5","5","2","4","5","1") = "6"
    & skf21("7","6","5","5","2","4","6","1") = "6"
    & skf21("7","6","5","5","2","4","7","1") = "6"
    & skf21("7","6","5","5","2","5","1","1") = "6"
    & skf21("7","6","5","5","2","5","2","1") = "6"
    & skf21("7","6","5","5","2","5","3","1") = "6"
    & skf21("7","6","5","5","2","5","4","1") = "6"
    & skf21("7","6","5","5","2","5","5","1") = "6"
    & skf21("7","6","5","5","2","5","6","1") = "6"
    & skf21("7","6","5","5","2","5","7","1") = "6"
    & skf21("7","6","5","5","2","6","1","1") = "6"
    & skf21("7","6","5","5","2","6","2","1") = "6"
    & skf21("7","6","5","5","2","6","3","1") = "6"
    & skf21("7","6","5","5","2","6","4","1") = "6"
    & skf21("7","6","5","5","2","6","5","1") = "6"
    & skf21("7","6","5","5","2","6","6","1") = "6"
    & skf21("7","6","5","5","2","6","7","1") = "6"
    & skf21("7","6","5","5","2","7","1","1") = "6"
    & skf21("7","6","5","5","2","7","2","1") = "6"
    & skf21("7","6","5","5","2","7","3","1") = "6"
    & skf21("7","6","5","5","2","7","4","1") = "6"
    & skf21("7","6","5","5","2","7","5","1") = "6"
    & skf21("7","6","5","5","2","7","6","1") = "6"
    & skf21("7","6","5","5","2","7","7","1") = "6"
    & skf21("7","6","5","5","3","1","1","1") = "6"
    & skf21("7","6","5","5","3","1","2","1") = "6"
    & skf21("7","6","5","5","3","1","3","1") = "6"
    & skf21("7","6","5","5","3","1","4","1") = "6"
    & skf21("7","6","5","5","3","1","5","1") = "6"
    & skf21("7","6","5","5","3","1","6","1") = "6"
    & skf21("7","6","5","5","3","1","7","1") = "6"
    & skf21("7","6","5","5","3","2","1","1") = "6"
    & skf21("7","6","5","5","3","2","2","1") = "6"
    & skf21("7","6","5","5","3","2","3","1") = "6"
    & skf21("7","6","5","5","3","2","4","1") = "6"
    & skf21("7","6","5","5","3","2","5","1") = "6"
    & skf21("7","6","5","5","3","2","6","1") = "6"
    & skf21("7","6","5","5","3","2","7","1") = "6"
    & skf21("7","6","5","5","3","3","1","1") = "6"
    & skf21("7","6","5","5","3","3","2","1") = "6"
    & skf21("7","6","5","5","3","3","3","1") = "6"
    & skf21("7","6","5","5","3","3","4","1") = "6"
    & skf21("7","6","5","5","3","3","5","1") = "6"
    & skf21("7","6","5","5","3","3","6","1") = "6"
    & skf21("7","6","5","5","3","3","7","1") = "6"
    & skf21("7","6","5","5","3","4","1","1") = "6"
    & skf21("7","6","5","5","3","4","2","1") = "6"
    & skf21("7","6","5","5","3","4","3","1") = "6"
    & skf21("7","6","5","5","3","4","4","1") = "6"
    & skf21("7","6","5","5","3","4","5","1") = "6"
    & skf21("7","6","5","5","3","4","6","1") = "6"
    & skf21("7","6","5","5","3","4","7","1") = "6"
    & skf21("7","6","5","5","3","5","1","1") = "6"
    & skf21("7","6","5","5","3","5","2","1") = "6"
    & skf21("7","6","5","5","3","5","3","1") = "6"
    & skf21("7","6","5","5","3","5","4","1") = "6"
    & skf21("7","6","5","5","3","5","5","1") = "6"
    & skf21("7","6","5","5","3","5","6","1") = "6"
    & skf21("7","6","5","5","3","5","7","1") = "6"
    & skf21("7","6","5","5","3","6","1","1") = "6"
    & skf21("7","6","5","5","3","6","2","1") = "6"
    & skf21("7","6","5","5","3","6","3","1") = "6"
    & skf21("7","6","5","5","3","6","4","1") = "6"
    & skf21("7","6","5","5","3","6","5","1") = "6"
    & skf21("7","6","5","5","3","6","6","1") = "6"
    & skf21("7","6","5","5","3","6","7","1") = "6"
    & skf21("7","6","5","5","3","7","1","1") = "6"
    & skf21("7","6","5","5","3","7","2","1") = "6"
    & skf21("7","6","5","5","3","7","3","1") = "6"
    & skf21("7","6","5","5","3","7","4","1") = "6"
    & skf21("7","6","5","5","3","7","5","1") = "6"
    & skf21("7","6","5","5","3","7","6","1") = "6"
    & skf21("7","6","5","5","3","7","7","1") = "6"
    & skf21("7","6","5","5","4","1","1","1") = "6"
    & skf21("7","6","5","5","4","1","2","1") = "6"
    & skf21("7","6","5","5","4","1","3","1") = "6"
    & skf21("7","6","5","5","4","1","4","1") = "6"
    & skf21("7","6","5","5","4","1","5","1") = "6"
    & skf21("7","6","5","5","4","1","6","1") = "6"
    & skf21("7","6","5","5","4","1","7","1") = "6"
    & skf21("7","6","5","5","4","2","1","1") = "6"
    & skf21("7","6","5","5","4","2","2","1") = "6"
    & skf21("7","6","5","5","4","2","3","1") = "6"
    & skf21("7","6","5","5","4","2","4","1") = "6"
    & skf21("7","6","5","5","4","2","5","1") = "6"
    & skf21("7","6","5","5","4","2","6","1") = "6"
    & skf21("7","6","5","5","4","2","7","1") = "6"
    & skf21("7","6","5","5","4","3","1","1") = "6"
    & skf21("7","6","5","5","4","3","2","1") = "6"
    & skf21("7","6","5","5","4","3","3","1") = "6"
    & skf21("7","6","5","5","4","3","4","1") = "6"
    & skf21("7","6","5","5","4","3","5","1") = "6"
    & skf21("7","6","5","5","4","3","6","1") = "6"
    & skf21("7","6","5","5","4","3","7","1") = "6"
    & skf21("7","6","5","5","4","4","1","1") = "6"
    & skf21("7","6","5","5","4","4","2","1") = "6"
    & skf21("7","6","5","5","4","4","3","1") = "6"
    & skf21("7","6","5","5","4","4","4","1") = "6"
    & skf21("7","6","5","5","4","4","5","1") = "6"
    & skf21("7","6","5","5","4","4","6","1") = "6"
    & skf21("7","6","5","5","4","4","7","1") = "6"
    & skf21("7","6","5","5","4","5","1","1") = "6"
    & skf21("7","6","5","5","4","5","2","1") = "6"
    & skf21("7","6","5","5","4","5","3","1") = "6"
    & skf21("7","6","5","5","4","5","4","1") = "6"
    & skf21("7","6","5","5","4","5","5","1") = "6"
    & skf21("7","6","5","5","4","5","6","1") = "6"
    & skf21("7","6","5","5","4","5","7","1") = "6"
    & skf21("7","6","5","5","4","6","1","1") = "6"
    & skf21("7","6","5","5","4","6","2","1") = "6"
    & skf21("7","6","5","5","4","6","3","1") = "6"
    & skf21("7","6","5","5","4","6","4","1") = "6"
    & skf21("7","6","5","5","4","6","5","1") = "6"
    & skf21("7","6","5","5","4","6","6","1") = "6"
    & skf21("7","6","5","5","4","6","7","1") = "6"
    & skf21("7","6","5","5","4","7","1","1") = "6"
    & skf21("7","6","5","5","4","7","2","1") = "6"
    & skf21("7","6","5","5","4","7","3","1") = "6"
    & skf21("7","6","5","5","4","7","4","1") = "6"
    & skf21("7","6","5","5","4","7","5","1") = "6"
    & skf21("7","6","5","5","4","7","6","1") = "6"
    & skf21("7","6","5","5","4","7","7","1") = "6"
    & skf21("7","6","5","5","5","1","1","1") = "6"
    & skf21("7","6","5","5","5","1","2","1") = "6"
    & skf21("7","6","5","5","5","1","3","1") = "6"
    & skf21("7","6","5","5","5","1","4","1") = "6"
    & skf21("7","6","5","5","5","1","5","1") = "6"
    & skf21("7","6","5","5","5","1","6","1") = "6"
    & skf21("7","6","5","5","5","1","7","1") = "6"
    & skf21("7","6","5","5","5","2","1","1") = "6"
    & skf21("7","6","5","5","5","2","2","1") = "6"
    & skf21("7","6","5","5","5","2","3","1") = "6"
    & skf21("7","6","5","5","5","2","4","1") = "6"
    & skf21("7","6","5","5","5","2","5","1") = "6"
    & skf21("7","6","5","5","5","2","6","1") = "6"
    & skf21("7","6","5","5","5","2","7","1") = "6"
    & skf21("7","6","5","5","5","3","1","1") = "6"
    & skf21("7","6","5","5","5","3","2","1") = "6"
    & skf21("7","6","5","5","5","3","3","1") = "6"
    & skf21("7","6","5","5","5","3","4","1") = "6"
    & skf21("7","6","5","5","5","3","5","1") = "6"
    & skf21("7","6","5","5","5","3","6","1") = "6"
    & skf21("7","6","5","5","5","3","7","1") = "6"
    & skf21("7","6","5","5","5","4","1","1") = "6"
    & skf21("7","6","5","5","5","4","2","1") = "6"
    & skf21("7","6","5","5","5","4","3","1") = "6"
    & skf21("7","6","5","5","5","4","4","1") = "6"
    & skf21("7","6","5","5","5","4","5","1") = "6"
    & skf21("7","6","5","5","5","4","6","1") = "6"
    & skf21("7","6","5","5","5","4","7","1") = "6"
    & skf21("7","6","5","5","5","5","1","1") = "6"
    & skf21("7","6","5","5","5","5","2","1") = "6"
    & skf21("7","6","5","5","5","5","3","1") = "6"
    & skf21("7","6","5","5","5","5","4","1") = "6"
    & skf21("7","6","5","5","5","5","5","1") = "6"
    & skf21("7","6","5","5","5","5","6","1") = "6"
    & skf21("7","6","5","5","5","5","7","1") = "6"
    & skf21("7","6","5","5","5","6","1","1") = "6"
    & skf21("7","6","5","5","5","6","2","1") = "6"
    & skf21("7","6","5","5","5","6","3","1") = "6"
    & skf21("7","6","5","5","5","6","4","1") = "6"
    & skf21("7","6","5","5","5","6","5","1") = "6"
    & skf21("7","6","5","5","5","6","6","1") = "6"
    & skf21("7","6","5","5","5","6","7","1") = "6"
    & skf21("7","6","5","5","5","7","1","1") = "6"
    & skf21("7","6","5","5","5","7","2","1") = "6"
    & skf21("7","6","5","5","5","7","3","1") = "6"
    & skf21("7","6","5","5","5","7","4","1") = "6"
    & skf21("7","6","5","5","5","7","5","1") = "6"
    & skf21("7","6","5","5","5","7","6","1") = "6"
    & skf21("7","6","5","5","5","7","7","1") = "6"
    & skf21("7","6","5","5","6","1","1","1") = "6"
    & skf21("7","6","5","5","6","1","2","1") = "6"
    & skf21("7","6","5","5","6","1","3","1") = "6"
    & skf21("7","6","5","5","6","1","4","1") = "6"
    & skf21("7","6","5","5","6","1","5","1") = "6"
    & skf21("7","6","5","5","6","1","6","1") = "6"
    & skf21("7","6","5","5","6","1","7","1") = "6"
    & skf21("7","6","5","5","6","2","1","1") = "6"
    & skf21("7","6","5","5","6","2","2","1") = "6"
    & skf21("7","6","5","5","6","2","3","1") = "6"
    & skf21("7","6","5","5","6","2","4","1") = "6"
    & skf21("7","6","5","5","6","2","5","1") = "6"
    & skf21("7","6","5","5","6","2","6","1") = "6"
    & skf21("7","6","5","5","6","2","7","1") = "6"
    & skf21("7","6","5","5","6","3","1","1") = "6"
    & skf21("7","6","5","5","6","3","2","1") = "6"
    & skf21("7","6","5","5","6","3","3","1") = "6"
    & skf21("7","6","5","5","6","3","4","1") = "6"
    & skf21("7","6","5","5","6","3","5","1") = "6"
    & skf21("7","6","5","5","6","3","6","1") = "6"
    & skf21("7","6","5","5","6","3","7","1") = "6"
    & skf21("7","6","5","5","6","4","1","1") = "6"
    & skf21("7","6","5","5","6","4","2","1") = "6"
    & skf21("7","6","5","5","6","4","3","1") = "6"
    & skf21("7","6","5","5","6","4","4","1") = "6"
    & skf21("7","6","5","5","6","4","5","1") = "6"
    & skf21("7","6","5","5","6","4","6","1") = "6"
    & skf21("7","6","5","5","6","4","7","1") = "6"
    & skf21("7","6","5","5","6","5","1","1") = "6"
    & skf21("7","6","5","5","6","5","2","1") = "6"
    & skf21("7","6","5","5","6","5","3","1") = "6"
    & skf21("7","6","5","5","6","5","4","1") = "6"
    & skf21("7","6","5","5","6","5","5","1") = "6"
    & skf21("7","6","5","5","6","5","6","1") = "6"
    & skf21("7","6","5","5","6","5","7","1") = "6"
    & skf21("7","6","5","5","6","6","1","1") = "6"
    & skf21("7","6","5","5","6","6","2","1") = "6"
    & skf21("7","6","5","5","6","6","3","1") = "6"
    & skf21("7","6","5","5","6","6","4","1") = "6"
    & skf21("7","6","5","5","6","6","5","1") = "6"
    & skf21("7","6","5","5","6","6","6","1") = "6"
    & skf21("7","6","5","5","6","6","7","1") = "6"
    & skf21("7","6","5","5","6","7","1","1") = "6"
    & skf21("7","6","5","5","6","7","2","1") = "6"
    & skf21("7","6","5","5","6","7","3","1") = "6"
    & skf21("7","6","5","5","6","7","4","1") = "6"
    & skf21("7","6","5","5","6","7","5","1") = "6"
    & skf21("7","6","5","5","6","7","6","1") = "6"
    & skf21("7","6","5","5","6","7","7","1") = "6"
    & skf21("7","6","5","5","7","1","1","1") = "6"
    & skf21("7","6","5","5","7","1","2","1") = "6"
    & skf21("7","6","5","5","7","1","3","1") = "6"
    & skf21("7","6","5","5","7","1","4","1") = "6"
    & skf21("7","6","5","5","7","1","5","1") = "6"
    & skf21("7","6","5","5","7","1","6","1") = "6"
    & skf21("7","6","5","5","7","1","7","1") = "6"
    & skf21("7","6","5","5","7","2","1","1") = "6"
    & skf21("7","6","5","5","7","2","2","1") = "6"
    & skf21("7","6","5","5","7","2","3","1") = "6"
    & skf21("7","6","5","5","7","2","4","1") = "6"
    & skf21("7","6","5","5","7","2","5","1") = "6"
    & skf21("7","6","5","5","7","2","6","1") = "6"
    & skf21("7","6","5","5","7","2","7","1") = "6"
    & skf21("7","6","5","5","7","3","1","1") = "6"
    & skf21("7","6","5","5","7","3","2","1") = "6"
    & skf21("7","6","5","5","7","3","3","1") = "6"
    & skf21("7","6","5","5","7","3","4","1") = "6"
    & skf21("7","6","5","5","7","3","5","1") = "6"
    & skf21("7","6","5","5","7","3","6","1") = "6"
    & skf21("7","6","5","5","7","3","7","1") = "6"
    & skf21("7","6","5","5","7","4","1","1") = "6"
    & skf21("7","6","5","5","7","4","2","1") = "6"
    & skf21("7","6","5","5","7","4","3","1") = "6"
    & skf21("7","6","5","5","7","4","4","1") = "6"
    & skf21("7","6","5","5","7","4","5","1") = "6"
    & skf21("7","6","5","5","7","4","6","1") = "6"
    & skf21("7","6","5","5","7","4","7","1") = "6"
    & skf21("7","6","5","5","7","5","1","1") = "6"
    & skf21("7","6","5","5","7","5","2","1") = "6"
    & skf21("7","6","5","5","7","5","3","1") = "6"
    & skf21("7","6","5","5","7","5","4","1") = "6"
    & skf21("7","6","5","5","7","5","5","1") = "6"
    & skf21("7","6","5","5","7","5","6","1") = "6"
    & skf21("7","6","5","5","7","5","7","1") = "6"
    & skf21("7","6","5","5","7","6","1","1") = "6"
    & skf21("7","6","5","5","7","6","2","1") = "6"
    & skf21("7","6","5","5","7","6","3","1") = "6"
    & skf21("7","6","5","5","7","6","4","1") = "6"
    & skf21("7","6","5","5","7","6","5","1") = "6"
    & skf21("7","6","5","5","7","6","6","1") = "6"
    & skf21("7","6","5","5","7","6","7","1") = "6"
    & skf21("7","6","5","5","7","7","1","1") = "6"
    & skf21("7","6","5","5","7","7","2","1") = "6"
    & skf21("7","6","5","5","7","7","3","1") = "6"
    & skf21("7","6","5","5","7","7","4","1") = "6"
    & skf21("7","6","5","5","7","7","5","1") = "6"
    & skf21("7","6","5","5","7","7","6","1") = "6"
    & skf21("7","6","5","5","7","7","7","1") = "6"
    & skf21("7","6","5","6","1","1","1","1") = "6"
    & skf21("7","6","5","6","1","1","2","1") = "6"
    & skf21("7","6","5","6","1","1","3","1") = "6"
    & skf21("7","6","5","6","1","1","4","1") = "6"
    & skf21("7","6","5","6","1","1","5","1") = "6"
    & skf21("7","6","5","6","1","1","6","1") = "6"
    & skf21("7","6","5","6","1","1","7","1") = "6"
    & skf21("7","6","5","6","1","2","1","1") = "6"
    & skf21("7","6","5","6","1","2","2","1") = "6"
    & skf21("7","6","5","6","1","2","3","1") = "6"
    & skf21("7","6","5","6","1","2","4","1") = "6"
    & skf21("7","6","5","6","1","2","5","1") = "6"
    & skf21("7","6","5","6","1","2","6","1") = "6"
    & skf21("7","6","5","6","1","2","7","1") = "6"
    & skf21("7","6","5","6","1","3","1","1") = "6"
    & skf21("7","6","5","6","1","3","2","1") = "6"
    & skf21("7","6","5","6","1","3","3","1") = "6"
    & skf21("7","6","5","6","1","3","4","1") = "6"
    & skf21("7","6","5","6","1","3","5","1") = "6"
    & skf21("7","6","5","6","1","3","6","1") = "6"
    & skf21("7","6","5","6","1","3","7","1") = "6"
    & skf21("7","6","5","6","1","4","1","1") = "6"
    & skf21("7","6","5","6","1","4","2","1") = "6"
    & skf21("7","6","5","6","1","4","3","1") = "6"
    & skf21("7","6","5","6","1","4","4","1") = "6"
    & skf21("7","6","5","6","1","4","5","1") = "6"
    & skf21("7","6","5","6","1","4","6","1") = "6"
    & skf21("7","6","5","6","1","4","7","1") = "6"
    & skf21("7","6","5","6","1","5","1","1") = "6"
    & skf21("7","6","5","6","1","5","2","1") = "6"
    & skf21("7","6","5","6","1","5","3","1") = "6"
    & skf21("7","6","5","6","1","5","4","1") = "6"
    & skf21("7","6","5","6","1","5","5","1") = "6"
    & skf21("7","6","5","6","1","5","6","1") = "6"
    & skf21("7","6","5","6","1","5","7","1") = "6"
    & skf21("7","6","5","6","1","6","1","1") = "6"
    & skf21("7","6","5","6","1","6","2","1") = "6"
    & skf21("7","6","5","6","1","6","3","1") = "6"
    & skf21("7","6","5","6","1","6","4","1") = "6"
    & skf21("7","6","5","6","1","6","5","1") = "6"
    & skf21("7","6","5","6","1","6","6","1") = "6"
    & skf21("7","6","5","6","1","6","7","1") = "6"
    & skf21("7","6","5","6","1","7","1","1") = "6"
    & skf21("7","6","5","6","1","7","2","1") = "6"
    & skf21("7","6","5","6","1","7","3","1") = "6"
    & skf21("7","6","5","6","1","7","4","1") = "6"
    & skf21("7","6","5","6","1","7","5","1") = "6"
    & skf21("7","6","5","6","1","7","6","1") = "6"
    & skf21("7","6","5","6","1","7","7","1") = "6"
    & skf21("7","6","5","6","2","1","1","1") = "6"
    & skf21("7","6","5","6","2","1","2","1") = "6"
    & skf21("7","6","5","6","2","1","3","1") = "6"
    & skf21("7","6","5","6","2","1","4","1") = "6"
    & skf21("7","6","5","6","2","1","5","1") = "6"
    & skf21("7","6","5","6","2","1","6","1") = "6"
    & skf21("7","6","5","6","2","1","7","1") = "6"
    & skf21("7","6","5","6","2","2","1","1") = "6"
    & skf21("7","6","5","6","2","2","2","1") = "6"
    & skf21("7","6","5","6","2","2","3","1") = "6"
    & skf21("7","6","5","6","2","2","4","1") = "6"
    & skf21("7","6","5","6","2","2","5","1") = "6"
    & skf21("7","6","5","6","2","2","6","1") = "6"
    & skf21("7","6","5","6","2","2","7","1") = "6"
    & skf21("7","6","5","6","2","3","1","1") = "6"
    & skf21("7","6","5","6","2","3","2","1") = "6"
    & skf21("7","6","5","6","2","3","3","1") = "6"
    & skf21("7","6","5","6","2","3","4","1") = "6"
    & skf21("7","6","5","6","2","3","5","1") = "6"
    & skf21("7","6","5","6","2","3","6","1") = "6"
    & skf21("7","6","5","6","2","3","7","1") = "6"
    & skf21("7","6","5","6","2","4","1","1") = "6"
    & skf21("7","6","5","6","2","4","2","1") = "6"
    & skf21("7","6","5","6","2","4","3","1") = "6"
    & skf21("7","6","5","6","2","4","4","1") = "6"
    & skf21("7","6","5","6","2","4","5","1") = "6"
    & skf21("7","6","5","6","2","4","6","1") = "6"
    & skf21("7","6","5","6","2","4","7","1") = "6"
    & skf21("7","6","5","6","2","5","1","1") = "6"
    & skf21("7","6","5","6","2","5","2","1") = "6"
    & skf21("7","6","5","6","2","5","3","1") = "6"
    & skf21("7","6","5","6","2","5","4","1") = "6"
    & skf21("7","6","5","6","2","5","5","1") = "6"
    & skf21("7","6","5","6","2","5","6","1") = "6"
    & skf21("7","6","5","6","2","5","7","1") = "6"
    & skf21("7","6","5","6","2","6","1","1") = "6"
    & skf21("7","6","5","6","2","6","2","1") = "6"
    & skf21("7","6","5","6","2","6","3","1") = "6"
    & skf21("7","6","5","6","2","6","4","1") = "6"
    & skf21("7","6","5","6","2","6","5","1") = "6"
    & skf21("7","6","5","6","2","6","6","1") = "6"
    & skf21("7","6","5","6","2","6","7","1") = "6"
    & skf21("7","6","5","6","2","7","1","1") = "6"
    & skf21("7","6","5","6","2","7","2","1") = "6"
    & skf21("7","6","5","6","2","7","3","1") = "6"
    & skf21("7","6","5","6","2","7","4","1") = "6"
    & skf21("7","6","5","6","2","7","5","1") = "6"
    & skf21("7","6","5","6","2","7","6","1") = "6"
    & skf21("7","6","5","6","2","7","7","1") = "6"
    & skf21("7","6","5","6","3","1","1","1") = "6"
    & skf21("7","6","5","6","3","1","2","1") = "6"
    & skf21("7","6","5","6","3","1","3","1") = "6"
    & skf21("7","6","5","6","3","1","4","1") = "6"
    & skf21("7","6","5","6","3","1","5","1") = "6"
    & skf21("7","6","5","6","3","1","6","1") = "6"
    & skf21("7","6","5","6","3","1","7","1") = "6"
    & skf21("7","6","5","6","3","2","1","1") = "6"
    & skf21("7","6","5","6","3","2","2","1") = "6"
    & skf21("7","6","5","6","3","2","3","1") = "6"
    & skf21("7","6","5","6","3","2","4","1") = "6"
    & skf21("7","6","5","6","3","2","5","1") = "6"
    & skf21("7","6","5","6","3","2","6","1") = "6"
    & skf21("7","6","5","6","3","2","7","1") = "6"
    & skf21("7","6","5","6","3","3","1","1") = "6"
    & skf21("7","6","5","6","3","3","2","1") = "6"
    & skf21("7","6","5","6","3","3","3","1") = "6"
    & skf21("7","6","5","6","3","3","4","1") = "6"
    & skf21("7","6","5","6","3","3","5","1") = "6"
    & skf21("7","6","5","6","3","3","6","1") = "6"
    & skf21("7","6","5","6","3","3","7","1") = "6"
    & skf21("7","6","5","6","3","4","1","1") = "6"
    & skf21("7","6","5","6","3","4","2","1") = "6"
    & skf21("7","6","5","6","3","4","3","1") = "6"
    & skf21("7","6","5","6","3","4","4","1") = "6"
    & skf21("7","6","5","6","3","4","5","1") = "6"
    & skf21("7","6","5","6","3","4","6","1") = "6"
    & skf21("7","6","5","6","3","4","7","1") = "6"
    & skf21("7","6","5","6","3","5","1","1") = "6"
    & skf21("7","6","5","6","3","5","2","1") = "6"
    & skf21("7","6","5","6","3","5","3","1") = "6"
    & skf21("7","6","5","6","3","5","4","1") = "6"
    & skf21("7","6","5","6","3","5","5","1") = "6"
    & skf21("7","6","5","6","3","5","6","1") = "6"
    & skf21("7","6","5","6","3","5","7","1") = "6"
    & skf21("7","6","5","6","3","6","1","1") = "6"
    & skf21("7","6","5","6","3","6","2","1") = "6"
    & skf21("7","6","5","6","3","6","3","1") = "6"
    & skf21("7","6","5","6","3","6","4","1") = "6"
    & skf21("7","6","5","6","3","6","5","1") = "6"
    & skf21("7","6","5","6","3","6","6","1") = "6"
    & skf21("7","6","5","6","3","6","7","1") = "6"
    & skf21("7","6","5","6","3","7","1","1") = "6"
    & skf21("7","6","5","6","3","7","2","1") = "6"
    & skf21("7","6","5","6","3","7","3","1") = "6"
    & skf21("7","6","5","6","3","7","4","1") = "6"
    & skf21("7","6","5","6","3","7","5","1") = "6"
    & skf21("7","6","5","6","3","7","6","1") = "6"
    & skf21("7","6","5","6","3","7","7","1") = "6"
    & skf21("7","6","5","6","4","1","1","1") = "6"
    & skf21("7","6","5","6","4","1","2","1") = "6"
    & skf21("7","6","5","6","4","1","3","1") = "6"
    & skf21("7","6","5","6","4","1","4","1") = "6"
    & skf21("7","6","5","6","4","1","5","1") = "6"
    & skf21("7","6","5","6","4","1","6","1") = "6"
    & skf21("7","6","5","6","4","1","7","1") = "6"
    & skf21("7","6","5","6","4","2","1","1") = "6"
    & skf21("7","6","5","6","4","2","2","1") = "6"
    & skf21("7","6","5","6","4","2","3","1") = "6"
    & skf21("7","6","5","6","4","2","4","1") = "6"
    & skf21("7","6","5","6","4","2","5","1") = "6"
    & skf21("7","6","5","6","4","2","6","1") = "6"
    & skf21("7","6","5","6","4","2","7","1") = "6"
    & skf21("7","6","5","6","4","3","1","1") = "6"
    & skf21("7","6","5","6","4","3","2","1") = "6"
    & skf21("7","6","5","6","4","3","3","1") = "6"
    & skf21("7","6","5","6","4","3","4","1") = "6"
    & skf21("7","6","5","6","4","3","5","1") = "6"
    & skf21("7","6","5","6","4","3","6","1") = "6"
    & skf21("7","6","5","6","4","3","7","1") = "6"
    & skf21("7","6","5","6","4","4","1","1") = "6"
    & skf21("7","6","5","6","4","4","2","1") = "6"
    & skf21("7","6","5","6","4","4","3","1") = "6"
    & skf21("7","6","5","6","4","4","4","1") = "6"
    & skf21("7","6","5","6","4","4","5","1") = "6"
    & skf21("7","6","5","6","4","4","6","1") = "6"
    & skf21("7","6","5","6","4","4","7","1") = "6"
    & skf21("7","6","5","6","4","5","1","1") = "6"
    & skf21("7","6","5","6","4","5","2","1") = "6"
    & skf21("7","6","5","6","4","5","3","1") = "6"
    & skf21("7","6","5","6","4","5","4","1") = "6"
    & skf21("7","6","5","6","4","5","5","1") = "6"
    & skf21("7","6","5","6","4","5","6","1") = "6"
    & skf21("7","6","5","6","4","5","7","1") = "6"
    & skf21("7","6","5","6","4","6","1","1") = "6"
    & skf21("7","6","5","6","4","6","2","1") = "6"
    & skf21("7","6","5","6","4","6","3","1") = "6"
    & skf21("7","6","5","6","4","6","4","1") = "6"
    & skf21("7","6","5","6","4","6","5","1") = "6"
    & skf21("7","6","5","6","4","6","6","1") = "6"
    & skf21("7","6","5","6","4","6","7","1") = "6"
    & skf21("7","6","5","6","4","7","1","1") = "6"
    & skf21("7","6","5","6","4","7","2","1") = "6"
    & skf21("7","6","5","6","4","7","3","1") = "6"
    & skf21("7","6","5","6","4","7","4","1") = "6"
    & skf21("7","6","5","6","4","7","5","1") = "6"
    & skf21("7","6","5","6","4","7","6","1") = "6"
    & skf21("7","6","5","6","4","7","7","1") = "6"
    & skf21("7","6","5","6","5","1","1","1") = "6"
    & skf21("7","6","5","6","5","1","2","1") = "6"
    & skf21("7","6","5","6","5","1","3","1") = "6"
    & skf21("7","6","5","6","5","1","4","1") = "6"
    & skf21("7","6","5","6","5","1","5","1") = "6"
    & skf21("7","6","5","6","5","1","6","1") = "6"
    & skf21("7","6","5","6","5","1","7","1") = "6"
    & skf21("7","6","5","6","5","2","1","1") = "6"
    & skf21("7","6","5","6","5","2","2","1") = "6"
    & skf21("7","6","5","6","5","2","3","1") = "6"
    & skf21("7","6","5","6","5","2","4","1") = "6"
    & skf21("7","6","5","6","5","2","5","1") = "6"
    & skf21("7","6","5","6","5","2","6","1") = "6"
    & skf21("7","6","5","6","5","2","7","1") = "6"
    & skf21("7","6","5","6","5","3","1","1") = "6"
    & skf21("7","6","5","6","5","3","2","1") = "6"
    & skf21("7","6","5","6","5","3","3","1") = "6"
    & skf21("7","6","5","6","5","3","4","1") = "6"
    & skf21("7","6","5","6","5","3","5","1") = "6"
    & skf21("7","6","5","6","5","3","6","1") = "6"
    & skf21("7","6","5","6","5","3","7","1") = "6"
    & skf21("7","6","5","6","5","4","1","1") = "6"
    & skf21("7","6","5","6","5","4","2","1") = "6"
    & skf21("7","6","5","6","5","4","3","1") = "6"
    & skf21("7","6","5","6","5","4","4","1") = "6"
    & skf21("7","6","5","6","5","4","5","1") = "6"
    & skf21("7","6","5","6","5","4","6","1") = "6"
    & skf21("7","6","5","6","5","4","7","1") = "6"
    & skf21("7","6","5","6","5","5","1","1") = "6"
    & skf21("7","6","5","6","5","5","2","1") = "6"
    & skf21("7","6","5","6","5","5","3","1") = "6"
    & skf21("7","6","5","6","5","5","4","1") = "6"
    & skf21("7","6","5","6","5","5","5","1") = "6"
    & skf21("7","6","5","6","5","5","6","1") = "6"
    & skf21("7","6","5","6","5","5","7","1") = "6"
    & skf21("7","6","5","6","5","6","1","1") = "6"
    & skf21("7","6","5","6","5","6","2","1") = "6"
    & skf21("7","6","5","6","5","6","3","1") = "6"
    & skf21("7","6","5","6","5","6","4","1") = "6"
    & skf21("7","6","5","6","5","6","5","1") = "6"
    & skf21("7","6","5","6","5","6","6","1") = "6"
    & skf21("7","6","5","6","5","6","7","1") = "6"
    & skf21("7","6","5","6","5","7","1","1") = "6"
    & skf21("7","6","5","6","5","7","2","1") = "6"
    & skf21("7","6","5","6","5","7","3","1") = "6"
    & skf21("7","6","5","6","5","7","4","1") = "6"
    & skf21("7","6","5","6","5","7","5","1") = "6"
    & skf21("7","6","5","6","5","7","6","1") = "6"
    & skf21("7","6","5","6","5","7","7","1") = "6"
    & skf21("7","6","5","6","6","1","1","1") = "6"
    & skf21("7","6","5","6","6","1","2","1") = "6"
    & skf21("7","6","5","6","6","1","3","1") = "6"
    & skf21("7","6","5","6","6","1","4","1") = "6"
    & skf21("7","6","5","6","6","1","5","1") = "6"
    & skf21("7","6","5","6","6","1","6","1") = "6"
    & skf21("7","6","5","6","6","1","7","1") = "6"
    & skf21("7","6","5","6","6","2","1","1") = "6"
    & skf21("7","6","5","6","6","2","2","1") = "6"
    & skf21("7","6","5","6","6","2","3","1") = "6"
    & skf21("7","6","5","6","6","2","4","1") = "6"
    & skf21("7","6","5","6","6","2","5","1") = "6"
    & skf21("7","6","5","6","6","2","6","1") = "6"
    & skf21("7","6","5","6","6","2","7","1") = "6"
    & skf21("7","6","5","6","6","3","1","1") = "6"
    & skf21("7","6","5","6","6","3","2","1") = "6"
    & skf21("7","6","5","6","6","3","3","1") = "6"
    & skf21("7","6","5","6","6","3","4","1") = "6"
    & skf21("7","6","5","6","6","3","5","1") = "6"
    & skf21("7","6","5","6","6","3","6","1") = "6"
    & skf21("7","6","5","6","6","3","7","1") = "6"
    & skf21("7","6","5","6","6","4","1","1") = "6"
    & skf21("7","6","5","6","6","4","2","1") = "6"
    & skf21("7","6","5","6","6","4","3","1") = "6"
    & skf21("7","6","5","6","6","4","4","1") = "6"
    & skf21("7","6","5","6","6","4","5","1") = "6"
    & skf21("7","6","5","6","6","4","6","1") = "6"
    & skf21("7","6","5","6","6","4","7","1") = "6"
    & skf21("7","6","5","6","6","5","1","1") = "6"
    & skf21("7","6","5","6","6","5","2","1") = "6"
    & skf21("7","6","5","6","6","5","3","1") = "6"
    & skf21("7","6","5","6","6","5","4","1") = "6"
    & skf21("7","6","5","6","6","5","5","1") = "6"
    & skf21("7","6","5","6","6","5","6","1") = "6"
    & skf21("7","6","5","6","6","5","7","1") = "6"
    & skf21("7","6","5","6","6","6","1","1") = "6"
    & skf21("7","6","5","6","6","6","2","1") = "6"
    & skf21("7","6","5","6","6","6","3","1") = "6"
    & skf21("7","6","5","6","6","6","4","1") = "6"
    & skf21("7","6","5","6","6","6","5","1") = "6"
    & skf21("7","6","5","6","6","6","6","1") = "6"
    & skf21("7","6","5","6","6","6","7","1") = "6"
    & skf21("7","6","5","6","6","7","1","1") = "6"
    & skf21("7","6","5","6","6","7","2","1") = "6"
    & skf21("7","6","5","6","6","7","3","1") = "6"
    & skf21("7","6","5","6","6","7","4","1") = "6"
    & skf21("7","6","5","6","6","7","5","1") = "6"
    & skf21("7","6","5","6","6","7","6","1") = "6"
    & skf21("7","6","5","6","6","7","7","1") = "6"
    & skf21("7","6","5","6","7","1","1","1") = "6"
    & skf21("7","6","5","6","7","1","2","1") = "6"
    & skf21("7","6","5","6","7","1","3","1") = "6"
    & skf21("7","6","5","6","7","1","4","1") = "6"
    & skf21("7","6","5","6","7","1","5","1") = "6"
    & skf21("7","6","5","6","7","1","6","1") = "6"
    & skf21("7","6","5","6","7","1","7","1") = "6"
    & skf21("7","6","5","6","7","2","1","1") = "6"
    & skf21("7","6","5","6","7","2","2","1") = "6"
    & skf21("7","6","5","6","7","2","3","1") = "6"
    & skf21("7","6","5","6","7","2","4","1") = "6"
    & skf21("7","6","5","6","7","2","5","1") = "6"
    & skf21("7","6","5","6","7","2","6","1") = "6"
    & skf21("7","6","5","6","7","2","7","1") = "6"
    & skf21("7","6","5","6","7","3","1","1") = "6"
    & skf21("7","6","5","6","7","3","2","1") = "6"
    & skf21("7","6","5","6","7","3","3","1") = "6"
    & skf21("7","6","5","6","7","3","4","1") = "6"
    & skf21("7","6","5","6","7","3","5","1") = "6"
    & skf21("7","6","5","6","7","3","6","1") = "6"
    & skf21("7","6","5","6","7","3","7","1") = "6"
    & skf21("7","6","5","6","7","4","1","1") = "6"
    & skf21("7","6","5","6","7","4","2","1") = "6"
    & skf21("7","6","5","6","7","4","3","1") = "6"
    & skf21("7","6","5","6","7","4","4","1") = "6"
    & skf21("7","6","5","6","7","4","5","1") = "6"
    & skf21("7","6","5","6","7","4","6","1") = "6"
    & skf21("7","6","5","6","7","4","7","1") = "6"
    & skf21("7","6","5","6","7","5","1","1") = "6"
    & skf21("7","6","5","6","7","5","2","1") = "6"
    & skf21("7","6","5","6","7","5","3","1") = "6"
    & skf21("7","6","5","6","7","5","4","1") = "6"
    & skf21("7","6","5","6","7","5","5","1") = "6"
    & skf21("7","6","5","6","7","5","6","1") = "6"
    & skf21("7","6","5","6","7","5","7","1") = "6"
    & skf21("7","6","5","6","7","6","1","1") = "6"
    & skf21("7","6","5","6","7","6","2","1") = "6"
    & skf21("7","6","5","6","7","6","3","1") = "6"
    & skf21("7","6","5","6","7","6","4","1") = "6"
    & skf21("7","6","5","6","7","6","5","1") = "6"
    & skf21("7","6","5","6","7","6","6","1") = "6"
    & skf21("7","6","5","6","7","6","7","1") = "6"
    & skf21("7","6","5","6","7","7","1","1") = "6"
    & skf21("7","6","5","6","7","7","2","1") = "6"
    & skf21("7","6","5","6","7","7","3","1") = "6"
    & skf21("7","6","5","6","7","7","4","1") = "6"
    & skf21("7","6","5","6","7","7","5","1") = "6"
    & skf21("7","6","5","6","7","7","6","1") = "6"
    & skf21("7","6","5","6","7","7","7","1") = "6"
    & skf21("7","6","5","7","1","1","1","1") = "6"
    & skf21("7","6","5","7","1","1","2","1") = "6"
    & skf21("7","6","5","7","1","1","3","1") = "6"
    & skf21("7","6","5","7","1","1","4","1") = "6"
    & skf21("7","6","5","7","1","1","5","1") = "6"
    & skf21("7","6","5","7","1","1","6","1") = "6"
    & skf21("7","6","5","7","1","1","7","1") = "6"
    & skf21("7","6","5","7","1","2","1","1") = "6"
    & skf21("7","6","5","7","1","2","2","1") = "6"
    & skf21("7","6","5","7","1","2","3","1") = "6"
    & skf21("7","6","5","7","1","2","4","1") = "6"
    & skf21("7","6","5","7","1","2","5","1") = "6"
    & skf21("7","6","5","7","1","2","6","1") = "6"
    & skf21("7","6","5","7","1","2","7","1") = "6"
    & skf21("7","6","5","7","1","3","1","1") = "6"
    & skf21("7","6","5","7","1","3","2","1") = "6"
    & skf21("7","6","5","7","1","3","3","1") = "6"
    & skf21("7","6","5","7","1","3","4","1") = "6"
    & skf21("7","6","5","7","1","3","5","1") = "6"
    & skf21("7","6","5","7","1","3","6","1") = "6"
    & skf21("7","6","5","7","1","3","7","1") = "6"
    & skf21("7","6","5","7","1","4","1","1") = "6"
    & skf21("7","6","5","7","1","4","2","1") = "6"
    & skf21("7","6","5","7","1","4","3","1") = "6"
    & skf21("7","6","5","7","1","4","4","1") = "6"
    & skf21("7","6","5","7","1","4","5","1") = "6"
    & skf21("7","6","5","7","1","4","6","1") = "6"
    & skf21("7","6","5","7","1","4","7","1") = "6"
    & skf21("7","6","5","7","1","5","1","1") = "6"
    & skf21("7","6","5","7","1","5","2","1") = "6"
    & skf21("7","6","5","7","1","5","3","1") = "6"
    & skf21("7","6","5","7","1","5","4","1") = "6"
    & skf21("7","6","5","7","1","5","5","1") = "6"
    & skf21("7","6","5","7","1","5","6","1") = "6"
    & skf21("7","6","5","7","1","5","7","1") = "6"
    & skf21("7","6","5","7","1","6","1","1") = "6"
    & skf21("7","6","5","7","1","6","2","1") = "6"
    & skf21("7","6","5","7","1","6","3","1") = "6"
    & skf21("7","6","5","7","1","6","4","1") = "6"
    & skf21("7","6","5","7","1","6","5","1") = "6"
    & skf21("7","6","5","7","1","6","6","1") = "6"
    & skf21("7","6","5","7","1","6","7","1") = "6"
    & skf21("7","6","5","7","1","7","1","1") = "6"
    & skf21("7","6","5","7","1","7","2","1") = "6"
    & skf21("7","6","5","7","1","7","3","1") = "6"
    & skf21("7","6","5","7","1","7","4","1") = "6"
    & skf21("7","6","5","7","1","7","5","1") = "6"
    & skf21("7","6","5","7","1","7","6","1") = "6"
    & skf21("7","6","5","7","1","7","7","1") = "6"
    & skf21("7","6","5","7","2","1","1","1") = "6"
    & skf21("7","6","5","7","2","1","2","1") = "6"
    & skf21("7","6","5","7","2","1","3","1") = "6"
    & skf21("7","6","5","7","2","1","4","1") = "6"
    & skf21("7","6","5","7","2","1","5","1") = "6"
    & skf21("7","6","5","7","2","1","6","1") = "6"
    & skf21("7","6","5","7","2","1","7","1") = "6"
    & skf21("7","6","5","7","2","2","1","1") = "6"
    & skf21("7","6","5","7","2","2","2","1") = "6"
    & skf21("7","6","5","7","2","2","3","1") = "6"
    & skf21("7","6","5","7","2","2","4","1") = "6"
    & skf21("7","6","5","7","2","2","5","1") = "6"
    & skf21("7","6","5","7","2","2","6","1") = "6"
    & skf21("7","6","5","7","2","2","7","1") = "6"
    & skf21("7","6","5","7","2","3","1","1") = "6"
    & skf21("7","6","5","7","2","3","2","1") = "6"
    & skf21("7","6","5","7","2","3","3","1") = "6"
    & skf21("7","6","5","7","2","3","4","1") = "6"
    & skf21("7","6","5","7","2","3","5","1") = "6"
    & skf21("7","6","5","7","2","3","6","1") = "6"
    & skf21("7","6","5","7","2","3","7","1") = "6"
    & skf21("7","6","5","7","2","4","1","1") = "6"
    & skf21("7","6","5","7","2","4","2","1") = "6"
    & skf21("7","6","5","7","2","4","3","1") = "6"
    & skf21("7","6","5","7","2","4","4","1") = "6"
    & skf21("7","6","5","7","2","4","5","1") = "6"
    & skf21("7","6","5","7","2","4","6","1") = "6"
    & skf21("7","6","5","7","2","4","7","1") = "6"
    & skf21("7","6","5","7","2","5","1","1") = "6"
    & skf21("7","6","5","7","2","5","2","1") = "6"
    & skf21("7","6","5","7","2","5","3","1") = "6"
    & skf21("7","6","5","7","2","5","4","1") = "6"
    & skf21("7","6","5","7","2","5","5","1") = "6"
    & skf21("7","6","5","7","2","5","6","1") = "6"
    & skf21("7","6","5","7","2","5","7","1") = "6"
    & skf21("7","6","5","7","2","6","1","1") = "6"
    & skf21("7","6","5","7","2","6","2","1") = "6"
    & skf21("7","6","5","7","2","6","3","1") = "6"
    & skf21("7","6","5","7","2","6","4","1") = "6"
    & skf21("7","6","5","7","2","6","5","1") = "6"
    & skf21("7","6","5","7","2","6","6","1") = "6"
    & skf21("7","6","5","7","2","6","7","1") = "6"
    & skf21("7","6","5","7","2","7","1","1") = "6"
    & skf21("7","6","5","7","2","7","2","1") = "6"
    & skf21("7","6","5","7","2","7","3","1") = "6"
    & skf21("7","6","5","7","2","7","4","1") = "6"
    & skf21("7","6","5","7","2","7","5","1") = "6"
    & skf21("7","6","5","7","2","7","6","1") = "6"
    & skf21("7","6","5","7","2","7","7","1") = "6"
    & skf21("7","6","5","7","3","1","1","1") = "6"
    & skf21("7","6","5","7","3","1","2","1") = "6"
    & skf21("7","6","5","7","3","1","3","1") = "6"
    & skf21("7","6","5","7","3","1","4","1") = "6"
    & skf21("7","6","5","7","3","1","5","1") = "6"
    & skf21("7","6","5","7","3","1","6","1") = "6"
    & skf21("7","6","5","7","3","1","7","1") = "6"
    & skf21("7","6","5","7","3","2","1","1") = "6"
    & skf21("7","6","5","7","3","2","2","1") = "6"
    & skf21("7","6","5","7","3","2","3","1") = "6"
    & skf21("7","6","5","7","3","2","4","1") = "6"
    & skf21("7","6","5","7","3","2","5","1") = "6"
    & skf21("7","6","5","7","3","2","6","1") = "6"
    & skf21("7","6","5","7","3","2","7","1") = "6"
    & skf21("7","6","5","7","3","3","1","1") = "6"
    & skf21("7","6","5","7","3","3","2","1") = "6"
    & skf21("7","6","5","7","3","3","3","1") = "6"
    & skf21("7","6","5","7","3","3","4","1") = "6"
    & skf21("7","6","5","7","3","3","5","1") = "6"
    & skf21("7","6","5","7","3","3","6","1") = "6"
    & skf21("7","6","5","7","3","3","7","1") = "6"
    & skf21("7","6","5","7","3","4","1","1") = "6"
    & skf21("7","6","5","7","3","4","2","1") = "6"
    & skf21("7","6","5","7","3","4","3","1") = "6"
    & skf21("7","6","5","7","3","4","4","1") = "6"
    & skf21("7","6","5","7","3","4","5","1") = "6"
    & skf21("7","6","5","7","3","4","6","1") = "6"
    & skf21("7","6","5","7","3","4","7","1") = "6"
    & skf21("7","6","5","7","3","5","1","1") = "6"
    & skf21("7","6","5","7","3","5","2","1") = "6"
    & skf21("7","6","5","7","3","5","3","1") = "6"
    & skf21("7","6","5","7","3","5","4","1") = "6"
    & skf21("7","6","5","7","3","5","5","1") = "6"
    & skf21("7","6","5","7","3","5","6","1") = "6"
    & skf21("7","6","5","7","3","5","7","1") = "6"
    & skf21("7","6","5","7","3","6","1","1") = "6"
    & skf21("7","6","5","7","3","6","2","1") = "6"
    & skf21("7","6","5","7","3","6","3","1") = "6"
    & skf21("7","6","5","7","3","6","4","1") = "6"
    & skf21("7","6","5","7","3","6","5","1") = "6"
    & skf21("7","6","5","7","3","6","6","1") = "6"
    & skf21("7","6","5","7","3","6","7","1") = "6"
    & skf21("7","6","5","7","3","7","1","1") = "6"
    & skf21("7","6","5","7","3","7","2","1") = "6"
    & skf21("7","6","5","7","3","7","3","1") = "6"
    & skf21("7","6","5","7","3","7","4","1") = "6"
    & skf21("7","6","5","7","3","7","5","1") = "6"
    & skf21("7","6","5","7","3","7","6","1") = "6"
    & skf21("7","6","5","7","3","7","7","1") = "6"
    & skf21("7","6","5","7","4","1","1","1") = "6"
    & skf21("7","6","5","7","4","1","2","1") = "6"
    & skf21("7","6","5","7","4","1","3","1") = "6"
    & skf21("7","6","5","7","4","1","4","1") = "6"
    & skf21("7","6","5","7","4","1","5","1") = "6"
    & skf21("7","6","5","7","4","1","6","1") = "6"
    & skf21("7","6","5","7","4","1","7","1") = "6"
    & skf21("7","6","5","7","4","2","1","1") = "6"
    & skf21("7","6","5","7","4","2","2","1") = "6"
    & skf21("7","6","5","7","4","2","3","1") = "6"
    & skf21("7","6","5","7","4","2","4","1") = "6"
    & skf21("7","6","5","7","4","2","5","1") = "6"
    & skf21("7","6","5","7","4","2","6","1") = "6"
    & skf21("7","6","5","7","4","2","7","1") = "6"
    & skf21("7","6","5","7","4","3","1","1") = "6"
    & skf21("7","6","5","7","4","3","2","1") = "6"
    & skf21("7","6","5","7","4","3","3","1") = "6"
    & skf21("7","6","5","7","4","3","4","1") = "6"
    & skf21("7","6","5","7","4","3","5","1") = "6"
    & skf21("7","6","5","7","4","3","6","1") = "6"
    & skf21("7","6","5","7","4","3","7","1") = "6"
    & skf21("7","6","5","7","4","4","1","1") = "6"
    & skf21("7","6","5","7","4","4","2","1") = "6"
    & skf21("7","6","5","7","4","4","3","1") = "6"
    & skf21("7","6","5","7","4","4","4","1") = "6"
    & skf21("7","6","5","7","4","4","5","1") = "6"
    & skf21("7","6","5","7","4","4","6","1") = "6"
    & skf21("7","6","5","7","4","4","7","1") = "6"
    & skf21("7","6","5","7","4","5","1","1") = "6"
    & skf21("7","6","5","7","4","5","2","1") = "6"
    & skf21("7","6","5","7","4","5","3","1") = "6"
    & skf21("7","6","5","7","4","5","4","1") = "6"
    & skf21("7","6","5","7","4","5","5","1") = "6"
    & skf21("7","6","5","7","4","5","6","1") = "6"
    & skf21("7","6","5","7","4","5","7","1") = "6"
    & skf21("7","6","5","7","4","6","1","1") = "6"
    & skf21("7","6","5","7","4","6","2","1") = "6"
    & skf21("7","6","5","7","4","6","3","1") = "6"
    & skf21("7","6","5","7","4","6","4","1") = "6"
    & skf21("7","6","5","7","4","6","5","1") = "6"
    & skf21("7","6","5","7","4","6","6","1") = "6"
    & skf21("7","6","5","7","4","6","7","1") = "6"
    & skf21("7","6","5","7","4","7","1","1") = "6"
    & skf21("7","6","5","7","4","7","2","1") = "6"
    & skf21("7","6","5","7","4","7","3","1") = "6"
    & skf21("7","6","5","7","4","7","4","1") = "6"
    & skf21("7","6","5","7","4","7","5","1") = "6"
    & skf21("7","6","5","7","4","7","6","1") = "6"
    & skf21("7","6","5","7","4","7","7","1") = "6"
    & skf21("7","6","5","7","5","1","1","1") = "6"
    & skf21("7","6","5","7","5","1","2","1") = "6"
    & skf21("7","6","5","7","5","1","3","1") = "6"
    & skf21("7","6","5","7","5","1","4","1") = "6"
    & skf21("7","6","5","7","5","1","5","1") = "6"
    & skf21("7","6","5","7","5","1","6","1") = "6"
    & skf21("7","6","5","7","5","1","7","1") = "6"
    & skf21("7","6","5","7","5","2","1","1") = "6"
    & skf21("7","6","5","7","5","2","2","1") = "6"
    & skf21("7","6","5","7","5","2","3","1") = "6"
    & skf21("7","6","5","7","5","2","4","1") = "6"
    & skf21("7","6","5","7","5","2","5","1") = "6"
    & skf21("7","6","5","7","5","2","6","1") = "6"
    & skf21("7","6","5","7","5","2","7","1") = "6"
    & skf21("7","6","5","7","5","3","1","1") = "6"
    & skf21("7","6","5","7","5","3","2","1") = "6"
    & skf21("7","6","5","7","5","3","3","1") = "6"
    & skf21("7","6","5","7","5","3","4","1") = "6"
    & skf21("7","6","5","7","5","3","5","1") = "6"
    & skf21("7","6","5","7","5","3","6","1") = "6"
    & skf21("7","6","5","7","5","3","7","1") = "6"
    & skf21("7","6","5","7","5","4","1","1") = "6"
    & skf21("7","6","5","7","5","4","2","1") = "6"
    & skf21("7","6","5","7","5","4","3","1") = "6"
    & skf21("7","6","5","7","5","4","4","1") = "6"
    & skf21("7","6","5","7","5","4","5","1") = "6"
    & skf21("7","6","5","7","5","4","6","1") = "6"
    & skf21("7","6","5","7","5","4","7","1") = "6"
    & skf21("7","6","5","7","5","5","1","1") = "6"
    & skf21("7","6","5","7","5","5","2","1") = "6"
    & skf21("7","6","5","7","5","5","3","1") = "6"
    & skf21("7","6","5","7","5","5","4","1") = "6"
    & skf21("7","6","5","7","5","5","5","1") = "6"
    & skf21("7","6","5","7","5","5","6","1") = "6"
    & skf21("7","6","5","7","5","5","7","1") = "6"
    & skf21("7","6","5","7","5","6","1","1") = "6"
    & skf21("7","6","5","7","5","6","2","1") = "6"
    & skf21("7","6","5","7","5","6","3","1") = "6"
    & skf21("7","6","5","7","5","6","4","1") = "6"
    & skf21("7","6","5","7","5","6","5","1") = "6"
    & skf21("7","6","5","7","5","6","6","1") = "6"
    & skf21("7","6","5","7","5","6","7","1") = "6"
    & skf21("7","6","5","7","5","7","1","1") = "6"
    & skf21("7","6","5","7","5","7","2","1") = "6"
    & skf21("7","6","5","7","5","7","3","1") = "6"
    & skf21("7","6","5","7","5","7","4","1") = "6"
    & skf21("7","6","5","7","5","7","5","1") = "6"
    & skf21("7","6","5","7","5","7","6","1") = "6"
    & skf21("7","6","5","7","5","7","7","1") = "6"
    & skf21("7","6","5","7","6","1","1","1") = "6"
    & skf21("7","6","5","7","6","1","2","1") = "6"
    & skf21("7","6","5","7","6","1","3","1") = "6"
    & skf21("7","6","5","7","6","1","4","1") = "6"
    & skf21("7","6","5","7","6","1","5","1") = "6"
    & skf21("7","6","5","7","6","1","6","1") = "6"
    & skf21("7","6","5","7","6","1","7","1") = "6"
    & skf21("7","6","5","7","6","2","1","1") = "6"
    & skf21("7","6","5","7","6","2","2","1") = "6"
    & skf21("7","6","5","7","6","2","3","1") = "6"
    & skf21("7","6","5","7","6","2","4","1") = "6"
    & skf21("7","6","5","7","6","2","5","1") = "6"
    & skf21("7","6","5","7","6","2","6","1") = "6"
    & skf21("7","6","5","7","6","2","7","1") = "6"
    & skf21("7","6","5","7","6","3","1","1") = "6"
    & skf21("7","6","5","7","6","3","2","1") = "6"
    & skf21("7","6","5","7","6","3","3","1") = "6"
    & skf21("7","6","5","7","6","3","4","1") = "6"
    & skf21("7","6","5","7","6","3","5","1") = "6"
    & skf21("7","6","5","7","6","3","6","1") = "6"
    & skf21("7","6","5","7","6","3","7","1") = "6"
    & skf21("7","6","5","7","6","4","1","1") = "6"
    & skf21("7","6","5","7","6","4","2","1") = "6"
    & skf21("7","6","5","7","6","4","3","1") = "6"
    & skf21("7","6","5","7","6","4","4","1") = "6"
    & skf21("7","6","5","7","6","4","5","1") = "6"
    & skf21("7","6","5","7","6","4","6","1") = "6"
    & skf21("7","6","5","7","6","4","7","1") = "6"
    & skf21("7","6","5","7","6","5","1","1") = "6"
    & skf21("7","6","5","7","6","5","2","1") = "6"
    & skf21("7","6","5","7","6","5","3","1") = "6"
    & skf21("7","6","5","7","6","5","4","1") = "6"
    & skf21("7","6","5","7","6","5","5","1") = "6"
    & skf21("7","6","5","7","6","5","6","1") = "6"
    & skf21("7","6","5","7","6","5","7","1") = "6"
    & skf21("7","6","5","7","6","6","1","1") = "6"
    & skf21("7","6","5","7","6","6","2","1") = "6"
    & skf21("7","6","5","7","6","6","3","1") = "6"
    & skf21("7","6","5","7","6","6","4","1") = "6"
    & skf21("7","6","5","7","6","6","5","1") = "6"
    & skf21("7","6","5","7","6","6","6","1") = "6"
    & skf21("7","6","5","7","6","6","7","1") = "6"
    & skf21("7","6","5","7","6","7","1","1") = "6"
    & skf21("7","6","5","7","6","7","2","1") = "6"
    & skf21("7","6","5","7","6","7","3","1") = "6"
    & skf21("7","6","5","7","6","7","4","1") = "6"
    & skf21("7","6","5","7","6","7","5","1") = "6"
    & skf21("7","6","5","7","6","7","6","1") = "6"
    & skf21("7","6","5","7","6","7","7","1") = "6"
    & skf21("7","6","5","7","7","1","1","1") = "6"
    & skf21("7","6","5","7","7","1","2","1") = "6"
    & skf21("7","6","5","7","7","1","3","1") = "6"
    & skf21("7","6","5","7","7","1","4","1") = "6"
    & skf21("7","6","5","7","7","1","5","1") = "6"
    & skf21("7","6","5","7","7","1","6","1") = "6"
    & skf21("7","6","5","7","7","1","7","1") = "6"
    & skf21("7","6","5","7","7","2","1","1") = "6"
    & skf21("7","6","5","7","7","2","2","1") = "6"
    & skf21("7","6","5","7","7","2","3","1") = "6"
    & skf21("7","6","5","7","7","2","4","1") = "6"
    & skf21("7","6","5","7","7","2","5","1") = "6"
    & skf21("7","6","5","7","7","2","6","1") = "6"
    & skf21("7","6","5","7","7","2","7","1") = "6"
    & skf21("7","6","5","7","7","3","1","1") = "6"
    & skf21("7","6","5","7","7","3","2","1") = "6"
    & skf21("7","6","5","7","7","3","3","1") = "6"
    & skf21("7","6","5","7","7","3","4","1") = "6"
    & skf21("7","6","5","7","7","3","5","1") = "6"
    & skf21("7","6","5","7","7","3","6","1") = "6"
    & skf21("7","6","5","7","7","3","7","1") = "6"
    & skf21("7","6","5","7","7","4","1","1") = "6"
    & skf21("7","6","5","7","7","4","2","1") = "6"
    & skf21("7","6","5","7","7","4","3","1") = "6"
    & skf21("7","6","5","7","7","4","4","1") = "6"
    & skf21("7","6","5","7","7","4","5","1") = "6"
    & skf21("7","6","5","7","7","4","6","1") = "6"
    & skf21("7","6","5","7","7","4","7","1") = "6"
    & skf21("7","6","5","7","7","5","1","1") = "6"
    & skf21("7","6","5","7","7","5","2","1") = "6"
    & skf21("7","6","5","7","7","5","3","1") = "6"
    & skf21("7","6","5","7","7","5","4","1") = "6"
    & skf21("7","6","5","7","7","5","5","1") = "6"
    & skf21("7","6","5","7","7","5","6","1") = "6"
    & skf21("7","6","5","7","7","5","7","1") = "6"
    & skf21("7","6","5","7","7","6","1","1") = "6"
    & skf21("7","6","5","7","7","6","2","1") = "6"
    & skf21("7","6","5","7","7","6","3","1") = "6"
    & skf21("7","6","5","7","7","6","4","1") = "6"
    & skf21("7","6","5","7","7","6","5","1") = "6"
    & skf21("7","6","5","7","7","6","6","1") = "6"
    & skf21("7","6","5","7","7","6","7","1") = "6"
    & skf21("7","6","5","7","7","7","1","1") = "6"
    & skf21("7","6","5","7","7","7","2","1") = "6"
    & skf21("7","6","5","7","7","7","3","1") = "6"
    & skf21("7","6","5","7","7","7","4","1") = "6"
    & skf21("7","6","5","7","7","7","5","1") = "6"
    & skf21("7","6","5","7","7","7","6","1") = "6"
    & skf21("7","6","5","7","7","7","7","1") = "6"
    & skf21("7","6","6","1","1","1","1","1") = "6"
    & skf21("7","6","6","1","1","1","2","1") = "6"
    & skf21("7","6","6","1","1","1","3","1") = "6"
    & skf21("7","6","6","1","1","1","4","1") = "6"
    & skf21("7","6","6","1","1","1","5","1") = "6"
    & skf21("7","6","6","1","1","1","6","1") = "6"
    & skf21("7","6","6","1","1","1","7","1") = "6"
    & skf21("7","6","6","1","1","2","1","1") = "6"
    & skf21("7","6","6","1","1","2","2","1") = "6"
    & skf21("7","6","6","1","1","2","3","1") = "6"
    & skf21("7","6","6","1","1","2","4","1") = "6"
    & skf21("7","6","6","1","1","2","5","1") = "6"
    & skf21("7","6","6","1","1","2","6","1") = "6"
    & skf21("7","6","6","1","1","2","7","1") = "6"
    & skf21("7","6","6","1","1","3","1","1") = "6"
    & skf21("7","6","6","1","1","3","2","1") = "6"
    & skf21("7","6","6","1","1","3","3","1") = "6"
    & skf21("7","6","6","1","1","3","4","1") = "6"
    & skf21("7","6","6","1","1","3","5","1") = "6"
    & skf21("7","6","6","1","1","3","6","1") = "6"
    & skf21("7","6","6","1","1","3","7","1") = "6"
    & skf21("7","6","6","1","1","4","1","1") = "6"
    & skf21("7","6","6","1","1","4","2","1") = "6"
    & skf21("7","6","6","1","1","4","3","1") = "6"
    & skf21("7","6","6","1","1","4","4","1") = "6"
    & skf21("7","6","6","1","1","4","5","1") = "6"
    & skf21("7","6","6","1","1","4","6","1") = "6"
    & skf21("7","6","6","1","1","4","7","1") = "6"
    & skf21("7","6","6","1","1","5","1","1") = "6"
    & skf21("7","6","6","1","1","5","2","1") = "6"
    & skf21("7","6","6","1","1","5","3","1") = "6"
    & skf21("7","6","6","1","1","5","4","1") = "6"
    & skf21("7","6","6","1","1","5","5","1") = "6"
    & skf21("7","6","6","1","1","5","6","1") = "6"
    & skf21("7","6","6","1","1","5","7","1") = "6"
    & skf21("7","6","6","1","1","6","1","1") = "6"
    & skf21("7","6","6","1","1","6","2","1") = "6"
    & skf21("7","6","6","1","1","6","3","1") = "6"
    & skf21("7","6","6","1","1","6","4","1") = "6"
    & skf21("7","6","6","1","1","6","5","1") = "6"
    & skf21("7","6","6","1","1","6","6","1") = "6"
    & skf21("7","6","6","1","1","6","7","1") = "6"
    & skf21("7","6","6","1","1","7","1","1") = "6"
    & skf21("7","6","6","1","1","7","2","1") = "6"
    & skf21("7","6","6","1","1","7","3","1") = "6"
    & skf21("7","6","6","1","1","7","4","1") = "6"
    & skf21("7","6","6","1","1","7","5","1") = "6"
    & skf21("7","6","6","1","1","7","6","1") = "6"
    & skf21("7","6","6","1","1","7","7","1") = "6"
    & skf21("7","6","6","1","2","1","1","1") = "6"
    & skf21("7","6","6","1","2","1","2","1") = "6"
    & skf21("7","6","6","1","2","1","3","1") = "6"
    & skf21("7","6","6","1","2","1","4","1") = "6"
    & skf21("7","6","6","1","2","1","5","1") = "6"
    & skf21("7","6","6","1","2","1","6","1") = "6"
    & skf21("7","6","6","1","2","1","7","1") = "6"
    & skf21("7","6","6","1","2","2","1","1") = "6"
    & skf21("7","6","6","1","2","2","2","1") = "6"
    & skf21("7","6","6","1","2","2","3","1") = "6"
    & skf21("7","6","6","1","2","2","4","1") = "6"
    & skf21("7","6","6","1","2","2","5","1") = "6"
    & skf21("7","6","6","1","2","2","6","1") = "6"
    & skf21("7","6","6","1","2","2","7","1") = "6"
    & skf21("7","6","6","1","2","3","1","1") = "6"
    & skf21("7","6","6","1","2","3","2","1") = "6"
    & skf21("7","6","6","1","2","3","3","1") = "6"
    & skf21("7","6","6","1","2","3","4","1") = "6"
    & skf21("7","6","6","1","2","3","5","1") = "6"
    & skf21("7","6","6","1","2","3","6","1") = "6"
    & skf21("7","6","6","1","2","3","7","1") = "6"
    & skf21("7","6","6","1","2","4","1","1") = "6"
    & skf21("7","6","6","1","2","4","2","1") = "6"
    & skf21("7","6","6","1","2","4","3","1") = "6"
    & skf21("7","6","6","1","2","4","4","1") = "6"
    & skf21("7","6","6","1","2","4","5","1") = "6"
    & skf21("7","6","6","1","2","4","6","1") = "6"
    & skf21("7","6","6","1","2","4","7","1") = "6"
    & skf21("7","6","6","1","2","5","1","1") = "6"
    & skf21("7","6","6","1","2","5","2","1") = "6"
    & skf21("7","6","6","1","2","5","3","1") = "6"
    & skf21("7","6","6","1","2","5","4","1") = "6"
    & skf21("7","6","6","1","2","5","5","1") = "6"
    & skf21("7","6","6","1","2","5","6","1") = "6"
    & skf21("7","6","6","1","2","5","7","1") = "6"
    & skf21("7","6","6","1","2","6","1","1") = "6"
    & skf21("7","6","6","1","2","6","2","1") = "6"
    & skf21("7","6","6","1","2","6","3","1") = "6"
    & skf21("7","6","6","1","2","6","4","1") = "6"
    & skf21("7","6","6","1","2","6","5","1") = "6"
    & skf21("7","6","6","1","2","6","6","1") = "6"
    & skf21("7","6","6","1","2","6","7","1") = "6"
    & skf21("7","6","6","1","2","7","1","1") = "6"
    & skf21("7","6","6","1","2","7","2","1") = "6"
    & skf21("7","6","6","1","2","7","3","1") = "6"
    & skf21("7","6","6","1","2","7","4","1") = "6"
    & skf21("7","6","6","1","2","7","5","1") = "6"
    & skf21("7","6","6","1","2","7","6","1") = "6"
    & skf21("7","6","6","1","2","7","7","1") = "6"
    & skf21("7","6","6","1","3","1","1","1") = "6"
    & skf21("7","6","6","1","3","1","2","1") = "6"
    & skf21("7","6","6","1","3","1","3","1") = "6"
    & skf21("7","6","6","1","3","1","4","1") = "6"
    & skf21("7","6","6","1","3","1","5","1") = "6"
    & skf21("7","6","6","1","3","1","6","1") = "6"
    & skf21("7","6","6","1","3","1","7","1") = "6"
    & skf21("7","6","6","1","3","2","1","1") = "6"
    & skf21("7","6","6","1","3","2","2","1") = "6"
    & skf21("7","6","6","1","3","2","3","1") = "6"
    & skf21("7","6","6","1","3","2","4","1") = "6"
    & skf21("7","6","6","1","3","2","5","1") = "6"
    & skf21("7","6","6","1","3","2","6","1") = "6"
    & skf21("7","6","6","1","3","2","7","1") = "6"
    & skf21("7","6","6","1","3","3","1","1") = "6"
    & skf21("7","6","6","1","3","3","2","1") = "6"
    & skf21("7","6","6","1","3","3","3","1") = "6"
    & skf21("7","6","6","1","3","3","4","1") = "6"
    & skf21("7","6","6","1","3","3","5","1") = "6"
    & skf21("7","6","6","1","3","3","6","1") = "6"
    & skf21("7","6","6","1","3","3","7","1") = "6"
    & skf21("7","6","6","1","3","4","1","1") = "6"
    & skf21("7","6","6","1","3","4","2","1") = "6"
    & skf21("7","6","6","1","3","4","3","1") = "6"
    & skf21("7","6","6","1","3","4","4","1") = "6"
    & skf21("7","6","6","1","3","4","5","1") = "6"
    & skf21("7","6","6","1","3","4","6","1") = "6"
    & skf21("7","6","6","1","3","4","7","1") = "6"
    & skf21("7","6","6","1","3","5","1","1") = "6"
    & skf21("7","6","6","1","3","5","2","1") = "6"
    & skf21("7","6","6","1","3","5","3","1") = "6"
    & skf21("7","6","6","1","3","5","4","1") = "6"
    & skf21("7","6","6","1","3","5","5","1") = "6"
    & skf21("7","6","6","1","3","5","6","1") = "6"
    & skf21("7","6","6","1","3","5","7","1") = "6"
    & skf21("7","6","6","1","3","6","1","1") = "6"
    & skf21("7","6","6","1","3","6","2","1") = "6"
    & skf21("7","6","6","1","3","6","3","1") = "6"
    & skf21("7","6","6","1","3","6","4","1") = "6"
    & skf21("7","6","6","1","3","6","5","1") = "6"
    & skf21("7","6","6","1","3","6","6","1") = "6"
    & skf21("7","6","6","1","3","6","7","1") = "6"
    & skf21("7","6","6","1","3","7","1","1") = "6"
    & skf21("7","6","6","1","3","7","2","1") = "6"
    & skf21("7","6","6","1","3","7","3","1") = "6"
    & skf21("7","6","6","1","3","7","4","1") = "6"
    & skf21("7","6","6","1","3","7","5","1") = "6"
    & skf21("7","6","6","1","3","7","6","1") = "6"
    & skf21("7","6","6","1","3","7","7","1") = "6"
    & skf21("7","6","6","1","4","1","1","1") = "6"
    & skf21("7","6","6","1","4","1","2","1") = "6"
    & skf21("7","6","6","1","4","1","3","1") = "6"
    & skf21("7","6","6","1","4","1","4","1") = "6"
    & skf21("7","6","6","1","4","1","5","1") = "6"
    & skf21("7","6","6","1","4","1","6","1") = "6"
    & skf21("7","6","6","1","4","1","7","1") = "6"
    & skf21("7","6","6","1","4","2","1","1") = "6"
    & skf21("7","6","6","1","4","2","2","1") = "6"
    & skf21("7","6","6","1","4","2","3","1") = "6"
    & skf21("7","6","6","1","4","2","4","1") = "6"
    & skf21("7","6","6","1","4","2","5","1") = "6"
    & skf21("7","6","6","1","4","2","6","1") = "6"
    & skf21("7","6","6","1","4","2","7","1") = "6"
    & skf21("7","6","6","1","4","3","1","1") = "6"
    & skf21("7","6","6","1","4","3","2","1") = "6"
    & skf21("7","6","6","1","4","3","3","1") = "6"
    & skf21("7","6","6","1","4","3","4","1") = "6"
    & skf21("7","6","6","1","4","3","5","1") = "6"
    & skf21("7","6","6","1","4","3","6","1") = "6"
    & skf21("7","6","6","1","4","3","7","1") = "6"
    & skf21("7","6","6","1","4","4","1","1") = "6"
    & skf21("7","6","6","1","4","4","2","1") = "6"
    & skf21("7","6","6","1","4","4","3","1") = "6"
    & skf21("7","6","6","1","4","4","4","1") = "6"
    & skf21("7","6","6","1","4","4","5","1") = "6"
    & skf21("7","6","6","1","4","4","6","1") = "6"
    & skf21("7","6","6","1","4","4","7","1") = "6"
    & skf21("7","6","6","1","4","5","1","1") = "6"
    & skf21("7","6","6","1","4","5","2","1") = "6"
    & skf21("7","6","6","1","4","5","3","1") = "6"
    & skf21("7","6","6","1","4","5","4","1") = "6"
    & skf21("7","6","6","1","4","5","5","1") = "6"
    & skf21("7","6","6","1","4","5","6","1") = "6"
    & skf21("7","6","6","1","4","5","7","1") = "6"
    & skf21("7","6","6","1","4","6","1","1") = "6"
    & skf21("7","6","6","1","4","6","2","1") = "6"
    & skf21("7","6","6","1","4","6","3","1") = "6"
    & skf21("7","6","6","1","4","6","4","1") = "6"
    & skf21("7","6","6","1","4","6","5","1") = "6"
    & skf21("7","6","6","1","4","6","6","1") = "6"
    & skf21("7","6","6","1","4","6","7","1") = "6"
    & skf21("7","6","6","1","4","7","1","1") = "6"
    & skf21("7","6","6","1","4","7","2","1") = "6"
    & skf21("7","6","6","1","4","7","3","1") = "6"
    & skf21("7","6","6","1","4","7","4","1") = "6"
    & skf21("7","6","6","1","4","7","5","1") = "6"
    & skf21("7","6","6","1","4","7","6","1") = "6"
    & skf21("7","6","6","1","4","7","7","1") = "6"
    & skf21("7","6","6","1","5","1","1","1") = "6"
    & skf21("7","6","6","1","5","1","2","1") = "6"
    & skf21("7","6","6","1","5","1","3","1") = "6"
    & skf21("7","6","6","1","5","1","4","1") = "6"
    & skf21("7","6","6","1","5","1","5","1") = "6"
    & skf21("7","6","6","1","5","1","6","1") = "6"
    & skf21("7","6","6","1","5","1","7","1") = "6"
    & skf21("7","6","6","1","5","2","1","1") = "6"
    & skf21("7","6","6","1","5","2","2","1") = "6"
    & skf21("7","6","6","1","5","2","3","1") = "6"
    & skf21("7","6","6","1","5","2","4","1") = "6"
    & skf21("7","6","6","1","5","2","5","1") = "6"
    & skf21("7","6","6","1","5","2","6","1") = "6"
    & skf21("7","6","6","1","5","2","7","1") = "6"
    & skf21("7","6","6","1","5","3","1","1") = "6"
    & skf21("7","6","6","1","5","3","2","1") = "6"
    & skf21("7","6","6","1","5","3","3","1") = "6"
    & skf21("7","6","6","1","5","3","4","1") = "6"
    & skf21("7","6","6","1","5","3","5","1") = "6"
    & skf21("7","6","6","1","5","3","6","1") = "6"
    & skf21("7","6","6","1","5","3","7","1") = "6"
    & skf21("7","6","6","1","5","4","1","1") = "6"
    & skf21("7","6","6","1","5","4","2","1") = "6"
    & skf21("7","6","6","1","5","4","3","1") = "6"
    & skf21("7","6","6","1","5","4","4","1") = "6"
    & skf21("7","6","6","1","5","4","5","1") = "6"
    & skf21("7","6","6","1","5","4","6","1") = "6"
    & skf21("7","6","6","1","5","4","7","1") = "6"
    & skf21("7","6","6","1","5","5","1","1") = "6"
    & skf21("7","6","6","1","5","5","2","1") = "6"
    & skf21("7","6","6","1","5","5","3","1") = "6"
    & skf21("7","6","6","1","5","5","4","1") = "6"
    & skf21("7","6","6","1","5","5","5","1") = "6"
    & skf21("7","6","6","1","5","5","6","1") = "6"
    & skf21("7","6","6","1","5","5","7","1") = "6"
    & skf21("7","6","6","1","5","6","1","1") = "6"
    & skf21("7","6","6","1","5","6","2","1") = "6"
    & skf21("7","6","6","1","5","6","3","1") = "6"
    & skf21("7","6","6","1","5","6","4","1") = "6"
    & skf21("7","6","6","1","5","6","5","1") = "6"
    & skf21("7","6","6","1","5","6","6","1") = "6"
    & skf21("7","6","6","1","5","6","7","1") = "6"
    & skf21("7","6","6","1","5","7","1","1") = "6"
    & skf21("7","6","6","1","5","7","2","1") = "6"
    & skf21("7","6","6","1","5","7","3","1") = "6"
    & skf21("7","6","6","1","5","7","4","1") = "6"
    & skf21("7","6","6","1","5","7","5","1") = "6"
    & skf21("7","6","6","1","5","7","6","1") = "6"
    & skf21("7","6","6","1","5","7","7","1") = "6"
    & skf21("7","6","6","1","6","1","1","1") = "6"
    & skf21("7","6","6","1","6","1","2","1") = "6"
    & skf21("7","6","6","1","6","1","3","1") = "6"
    & skf21("7","6","6","1","6","1","4","1") = "6"
    & skf21("7","6","6","1","6","1","5","1") = "6"
    & skf21("7","6","6","1","6","1","6","1") = "6"
    & skf21("7","6","6","1","6","1","7","1") = "6"
    & skf21("7","6","6","1","6","2","1","1") = "6"
    & skf21("7","6","6","1","6","2","2","1") = "6"
    & skf21("7","6","6","1","6","2","3","1") = "6"
    & skf21("7","6","6","1","6","2","4","1") = "6"
    & skf21("7","6","6","1","6","2","5","1") = "6"
    & skf21("7","6","6","1","6","2","6","1") = "6"
    & skf21("7","6","6","1","6","2","7","1") = "6"
    & skf21("7","6","6","1","6","3","1","1") = "6"
    & skf21("7","6","6","1","6","3","2","1") = "6"
    & skf21("7","6","6","1","6","3","3","1") = "6"
    & skf21("7","6","6","1","6","3","4","1") = "6"
    & skf21("7","6","6","1","6","3","5","1") = "6"
    & skf21("7","6","6","1","6","3","6","1") = "6"
    & skf21("7","6","6","1","6","3","7","1") = "6"
    & skf21("7","6","6","1","6","4","1","1") = "6"
    & skf21("7","6","6","1","6","4","2","1") = "6"
    & skf21("7","6","6","1","6","4","3","1") = "6"
    & skf21("7","6","6","1","6","4","4","1") = "6"
    & skf21("7","6","6","1","6","4","5","1") = "6"
    & skf21("7","6","6","1","6","4","6","1") = "6"
    & skf21("7","6","6","1","6","4","7","1") = "6"
    & skf21("7","6","6","1","6","5","1","1") = "6"
    & skf21("7","6","6","1","6","5","2","1") = "6"
    & skf21("7","6","6","1","6","5","3","1") = "6"
    & skf21("7","6","6","1","6","5","4","1") = "6"
    & skf21("7","6","6","1","6","5","5","1") = "6"
    & skf21("7","6","6","1","6","5","6","1") = "6"
    & skf21("7","6","6","1","6","5","7","1") = "6"
    & skf21("7","6","6","1","6","6","1","1") = "6"
    & skf21("7","6","6","1","6","6","2","1") = "6"
    & skf21("7","6","6","1","6","6","3","1") = "6"
    & skf21("7","6","6","1","6","6","4","1") = "6"
    & skf21("7","6","6","1","6","6","5","1") = "6"
    & skf21("7","6","6","1","6","6","6","1") = "6"
    & skf21("7","6","6","1","6","6","7","1") = "6"
    & skf21("7","6","6","1","6","7","1","1") = "6"
    & skf21("7","6","6","1","6","7","2","1") = "6"
    & skf21("7","6","6","1","6","7","3","1") = "6"
    & skf21("7","6","6","1","6","7","4","1") = "6"
    & skf21("7","6","6","1","6","7","5","1") = "6"
    & skf21("7","6","6","1","6","7","6","1") = "6"
    & skf21("7","6","6","1","6","7","7","1") = "6"
    & skf21("7","6","6","1","7","1","1","1") = "6"
    & skf21("7","6","6","1","7","1","2","1") = "6"
    & skf21("7","6","6","1","7","1","3","1") = "6"
    & skf21("7","6","6","1","7","1","4","1") = "6"
    & skf21("7","6","6","1","7","1","5","1") = "6"
    & skf21("7","6","6","1","7","1","6","1") = "6"
    & skf21("7","6","6","1","7","1","7","1") = "6"
    & skf21("7","6","6","1","7","2","1","1") = "6"
    & skf21("7","6","6","1","7","2","2","1") = "6"
    & skf21("7","6","6","1","7","2","3","1") = "6"
    & skf21("7","6","6","1","7","2","4","1") = "6"
    & skf21("7","6","6","1","7","2","5","1") = "6"
    & skf21("7","6","6","1","7","2","6","1") = "6"
    & skf21("7","6","6","1","7","2","7","1") = "6"
    & skf21("7","6","6","1","7","3","1","1") = "6"
    & skf21("7","6","6","1","7","3","2","1") = "6"
    & skf21("7","6","6","1","7","3","3","1") = "6"
    & skf21("7","6","6","1","7","3","4","1") = "6"
    & skf21("7","6","6","1","7","3","5","1") = "6"
    & skf21("7","6","6","1","7","3","6","1") = "6"
    & skf21("7","6","6","1","7","3","7","1") = "6"
    & skf21("7","6","6","1","7","4","1","1") = "6"
    & skf21("7","6","6","1","7","4","2","1") = "6"
    & skf21("7","6","6","1","7","4","3","1") = "6"
    & skf21("7","6","6","1","7","4","4","1") = "6"
    & skf21("7","6","6","1","7","4","5","1") = "6"
    & skf21("7","6","6","1","7","4","6","1") = "6"
    & skf21("7","6","6","1","7","4","7","1") = "6"
    & skf21("7","6","6","1","7","5","1","1") = "6"
    & skf21("7","6","6","1","7","5","2","1") = "6"
    & skf21("7","6","6","1","7","5","3","1") = "6"
    & skf21("7","6","6","1","7","5","4","1") = "6"
    & skf21("7","6","6","1","7","5","5","1") = "6"
    & skf21("7","6","6","1","7","5","6","1") = "6"
    & skf21("7","6","6","1","7","5","7","1") = "6"
    & skf21("7","6","6","1","7","6","1","1") = "6"
    & skf21("7","6","6","1","7","6","2","1") = "6"
    & skf21("7","6","6","1","7","6","3","1") = "6"
    & skf21("7","6","6","1","7","6","4","1") = "6"
    & skf21("7","6","6","1","7","6","5","1") = "6"
    & skf21("7","6","6","1","7","6","6","1") = "6"
    & skf21("7","6","6","1","7","6","7","1") = "6"
    & skf21("7","6","6","1","7","7","1","1") = "6"
    & skf21("7","6","6","1","7","7","2","1") = "6"
    & skf21("7","6","6","1","7","7","3","1") = "6"
    & skf21("7","6","6","1","7","7","4","1") = "6"
    & skf21("7","6","6","1","7","7","5","1") = "6"
    & skf21("7","6","6","1","7","7","6","1") = "6"
    & skf21("7","6","6","1","7","7","7","1") = "6"
    & skf21("7","6","6","2","1","1","1","1") = "6"
    & skf21("7","6","6","2","1","1","2","1") = "6"
    & skf21("7","6","6","2","1","1","3","1") = "6"
    & skf21("7","6","6","2","1","1","4","1") = "6"
    & skf21("7","6","6","2","1","1","5","1") = "6"
    & skf21("7","6","6","2","1","1","6","1") = "6"
    & skf21("7","6","6","2","1","1","7","1") = "6"
    & skf21("7","6","6","2","1","2","1","1") = "6"
    & skf21("7","6","6","2","1","2","2","1") = "6"
    & skf21("7","6","6","2","1","2","3","1") = "6"
    & skf21("7","6","6","2","1","2","4","1") = "6"
    & skf21("7","6","6","2","1","2","5","1") = "6"
    & skf21("7","6","6","2","1","2","6","1") = "6"
    & skf21("7","6","6","2","1","2","7","1") = "6"
    & skf21("7","6","6","2","1","3","1","1") = "6"
    & skf21("7","6","6","2","1","3","2","1") = "6"
    & skf21("7","6","6","2","1","3","3","1") = "6"
    & skf21("7","6","6","2","1","3","4","1") = "6"
    & skf21("7","6","6","2","1","3","5","1") = "6"
    & skf21("7","6","6","2","1","3","6","1") = "6"
    & skf21("7","6","6","2","1","3","7","1") = "6"
    & skf21("7","6","6","2","1","4","1","1") = "6"
    & skf21("7","6","6","2","1","4","2","1") = "6"
    & skf21("7","6","6","2","1","4","3","1") = "6"
    & skf21("7","6","6","2","1","4","4","1") = "6"
    & skf21("7","6","6","2","1","4","5","1") = "6"
    & skf21("7","6","6","2","1","4","6","1") = "6"
    & skf21("7","6","6","2","1","4","7","1") = "6"
    & skf21("7","6","6","2","1","5","1","1") = "6"
    & skf21("7","6","6","2","1","5","2","1") = "6"
    & skf21("7","6","6","2","1","5","3","1") = "6"
    & skf21("7","6","6","2","1","5","4","1") = "6"
    & skf21("7","6","6","2","1","5","5","1") = "6"
    & skf21("7","6","6","2","1","5","6","1") = "6"
    & skf21("7","6","6","2","1","5","7","1") = "6"
    & skf21("7","6","6","2","1","6","1","1") = "6"
    & skf21("7","6","6","2","1","6","2","1") = "6"
    & skf21("7","6","6","2","1","6","3","1") = "6"
    & skf21("7","6","6","2","1","6","4","1") = "6"
    & skf21("7","6","6","2","1","6","5","1") = "6"
    & skf21("7","6","6","2","1","6","6","1") = "6"
    & skf21("7","6","6","2","1","6","7","1") = "6"
    & skf21("7","6","6","2","1","7","1","1") = "6"
    & skf21("7","6","6","2","1","7","2","1") = "6"
    & skf21("7","6","6","2","1","7","3","1") = "6"
    & skf21("7","6","6","2","1","7","4","1") = "6"
    & skf21("7","6","6","2","1","7","5","1") = "6"
    & skf21("7","6","6","2","1","7","6","1") = "6"
    & skf21("7","6","6","2","1","7","7","1") = "6"
    & skf21("7","6","6","2","2","1","1","1") = "6"
    & skf21("7","6","6","2","2","1","2","1") = "6"
    & skf21("7","6","6","2","2","1","3","1") = "6"
    & skf21("7","6","6","2","2","1","4","1") = "6"
    & skf21("7","6","6","2","2","1","5","1") = "6"
    & skf21("7","6","6","2","2","1","6","1") = "6"
    & skf21("7","6","6","2","2","1","7","1") = "6"
    & skf21("7","6","6","2","2","2","1","1") = "6"
    & skf21("7","6","6","2","2","2","2","1") = "6"
    & skf21("7","6","6","2","2","2","3","1") = "6"
    & skf21("7","6","6","2","2","2","4","1") = "6"
    & skf21("7","6","6","2","2","2","5","1") = "6"
    & skf21("7","6","6","2","2","2","6","1") = "6"
    & skf21("7","6","6","2","2","2","7","1") = "6"
    & skf21("7","6","6","2","2","3","1","1") = "6"
    & skf21("7","6","6","2","2","3","2","1") = "6"
    & skf21("7","6","6","2","2","3","3","1") = "6"
    & skf21("7","6","6","2","2","3","4","1") = "6"
    & skf21("7","6","6","2","2","3","5","1") = "6"
    & skf21("7","6","6","2","2","3","6","1") = "6"
    & skf21("7","6","6","2","2","3","7","1") = "6"
    & skf21("7","6","6","2","2","4","1","1") = "6"
    & skf21("7","6","6","2","2","4","2","1") = "6"
    & skf21("7","6","6","2","2","4","3","1") = "6"
    & skf21("7","6","6","2","2","4","4","1") = "6"
    & skf21("7","6","6","2","2","4","5","1") = "6"
    & skf21("7","6","6","2","2","4","6","1") = "6"
    & skf21("7","6","6","2","2","4","7","1") = "6"
    & skf21("7","6","6","2","2","5","1","1") = "6"
    & skf21("7","6","6","2","2","5","2","1") = "6"
    & skf21("7","6","6","2","2","5","3","1") = "6"
    & skf21("7","6","6","2","2","5","4","1") = "6"
    & skf21("7","6","6","2","2","5","5","1") = "6"
    & skf21("7","6","6","2","2","5","6","1") = "6"
    & skf21("7","6","6","2","2","5","7","1") = "6"
    & skf21("7","6","6","2","2","6","1","1") = "6"
    & skf21("7","6","6","2","2","6","2","1") = "6"
    & skf21("7","6","6","2","2","6","3","1") = "6"
    & skf21("7","6","6","2","2","6","4","1") = "6"
    & skf21("7","6","6","2","2","6","5","1") = "6"
    & skf21("7","6","6","2","2","6","6","1") = "6"
    & skf21("7","6","6","2","2","6","7","1") = "6"
    & skf21("7","6","6","2","2","7","1","1") = "6"
    & skf21("7","6","6","2","2","7","2","1") = "6"
    & skf21("7","6","6","2","2","7","3","1") = "6"
    & skf21("7","6","6","2","2","7","4","1") = "6"
    & skf21("7","6","6","2","2","7","5","1") = "6"
    & skf21("7","6","6","2","2","7","6","1") = "6"
    & skf21("7","6","6","2","2","7","7","1") = "6"
    & skf21("7","6","6","2","3","1","1","1") = "6"
    & skf21("7","6","6","2","3","1","2","1") = "6"
    & skf21("7","6","6","2","3","1","3","1") = "6"
    & skf21("7","6","6","2","3","1","4","1") = "6"
    & skf21("7","6","6","2","3","1","5","1") = "6"
    & skf21("7","6","6","2","3","1","6","1") = "6"
    & skf21("7","6","6","2","3","1","7","1") = "6"
    & skf21("7","6","6","2","3","2","1","1") = "6"
    & skf21("7","6","6","2","3","2","2","1") = "6"
    & skf21("7","6","6","2","3","2","3","1") = "6"
    & skf21("7","6","6","2","3","2","4","1") = "6"
    & skf21("7","6","6","2","3","2","5","1") = "6"
    & skf21("7","6","6","2","3","2","6","1") = "6"
    & skf21("7","6","6","2","3","2","7","1") = "6"
    & skf21("7","6","6","2","3","3","1","1") = "6"
    & skf21("7","6","6","2","3","3","2","1") = "6"
    & skf21("7","6","6","2","3","3","3","1") = "6"
    & skf21("7","6","6","2","3","3","4","1") = "6"
    & skf21("7","6","6","2","3","3","5","1") = "6"
    & skf21("7","6","6","2","3","3","6","1") = "6"
    & skf21("7","6","6","2","3","3","7","1") = "6"
    & skf21("7","6","6","2","3","4","1","1") = "6"
    & skf21("7","6","6","2","3","4","2","1") = "6"
    & skf21("7","6","6","2","3","4","3","1") = "6"
    & skf21("7","6","6","2","3","4","4","1") = "6"
    & skf21("7","6","6","2","3","4","5","1") = "6"
    & skf21("7","6","6","2","3","4","6","1") = "6"
    & skf21("7","6","6","2","3","4","7","1") = "6"
    & skf21("7","6","6","2","3","5","1","1") = "6"
    & skf21("7","6","6","2","3","5","2","1") = "6"
    & skf21("7","6","6","2","3","5","3","1") = "6"
    & skf21("7","6","6","2","3","5","4","1") = "6"
    & skf21("7","6","6","2","3","5","5","1") = "6"
    & skf21("7","6","6","2","3","5","6","1") = "6"
    & skf21("7","6","6","2","3","5","7","1") = "6"
    & skf21("7","6","6","2","3","6","1","1") = "6"
    & skf21("7","6","6","2","3","6","2","1") = "6"
    & skf21("7","6","6","2","3","6","3","1") = "6"
    & skf21("7","6","6","2","3","6","4","1") = "6"
    & skf21("7","6","6","2","3","6","5","1") = "6"
    & skf21("7","6","6","2","3","6","6","1") = "6"
    & skf21("7","6","6","2","3","6","7","1") = "6"
    & skf21("7","6","6","2","3","7","1","1") = "6"
    & skf21("7","6","6","2","3","7","2","1") = "6"
    & skf21("7","6","6","2","3","7","3","1") = "6"
    & skf21("7","6","6","2","3","7","4","1") = "6"
    & skf21("7","6","6","2","3","7","5","1") = "6"
    & skf21("7","6","6","2","3","7","6","1") = "6"
    & skf21("7","6","6","2","3","7","7","1") = "6"
    & skf21("7","6","6","2","4","1","1","1") = "6"
    & skf21("7","6","6","2","4","1","2","1") = "6"
    & skf21("7","6","6","2","4","1","3","1") = "6"
    & skf21("7","6","6","2","4","1","4","1") = "6"
    & skf21("7","6","6","2","4","1","5","1") = "6"
    & skf21("7","6","6","2","4","1","6","1") = "6"
    & skf21("7","6","6","2","4","1","7","1") = "6"
    & skf21("7","6","6","2","4","2","1","1") = "6"
    & skf21("7","6","6","2","4","2","2","1") = "6"
    & skf21("7","6","6","2","4","2","3","1") = "6"
    & skf21("7","6","6","2","4","2","4","1") = "6"
    & skf21("7","6","6","2","4","2","5","1") = "6"
    & skf21("7","6","6","2","4","2","6","1") = "6"
    & skf21("7","6","6","2","4","2","7","1") = "6"
    & skf21("7","6","6","2","4","3","1","1") = "6"
    & skf21("7","6","6","2","4","3","2","1") = "6"
    & skf21("7","6","6","2","4","3","3","1") = "6"
    & skf21("7","6","6","2","4","3","4","1") = "6"
    & skf21("7","6","6","2","4","3","5","1") = "6"
    & skf21("7","6","6","2","4","3","6","1") = "6"
    & skf21("7","6","6","2","4","3","7","1") = "6"
    & skf21("7","6","6","2","4","4","1","1") = "6"
    & skf21("7","6","6","2","4","4","2","1") = "6"
    & skf21("7","6","6","2","4","4","3","1") = "6"
    & skf21("7","6","6","2","4","4","4","1") = "6"
    & skf21("7","6","6","2","4","4","5","1") = "6"
    & skf21("7","6","6","2","4","4","6","1") = "6"
    & skf21("7","6","6","2","4","4","7","1") = "6"
    & skf21("7","6","6","2","4","5","1","1") = "6"
    & skf21("7","6","6","2","4","5","2","1") = "6"
    & skf21("7","6","6","2","4","5","3","1") = "6"
    & skf21("7","6","6","2","4","5","4","1") = "6"
    & skf21("7","6","6","2","4","5","5","1") = "6"
    & skf21("7","6","6","2","4","5","6","1") = "6"
    & skf21("7","6","6","2","4","5","7","1") = "6"
    & skf21("7","6","6","2","4","6","1","1") = "6"
    & skf21("7","6","6","2","4","6","2","1") = "6"
    & skf21("7","6","6","2","4","6","3","1") = "6"
    & skf21("7","6","6","2","4","6","4","1") = "6"
    & skf21("7","6","6","2","4","6","5","1") = "6"
    & skf21("7","6","6","2","4","6","6","1") = "6"
    & skf21("7","6","6","2","4","6","7","1") = "6"
    & skf21("7","6","6","2","4","7","1","1") = "6"
    & skf21("7","6","6","2","4","7","2","1") = "6"
    & skf21("7","6","6","2","4","7","3","1") = "6"
    & skf21("7","6","6","2","4","7","4","1") = "6"
    & skf21("7","6","6","2","4","7","5","1") = "6"
    & skf21("7","6","6","2","4","7","6","1") = "6"
    & skf21("7","6","6","2","4","7","7","1") = "6"
    & skf21("7","6","6","2","5","1","1","1") = "6"
    & skf21("7","6","6","2","5","1","2","1") = "6"
    & skf21("7","6","6","2","5","1","3","1") = "6"
    & skf21("7","6","6","2","5","1","4","1") = "6"
    & skf21("7","6","6","2","5","1","5","1") = "6"
    & skf21("7","6","6","2","5","1","6","1") = "6"
    & skf21("7","6","6","2","5","1","7","1") = "6"
    & skf21("7","6","6","2","5","2","1","1") = "6"
    & skf21("7","6","6","2","5","2","2","1") = "6"
    & skf21("7","6","6","2","5","2","3","1") = "6"
    & skf21("7","6","6","2","5","2","4","1") = "6"
    & skf21("7","6","6","2","5","2","5","1") = "6"
    & skf21("7","6","6","2","5","2","6","1") = "6"
    & skf21("7","6","6","2","5","2","7","1") = "6"
    & skf21("7","6","6","2","5","3","1","1") = "6"
    & skf21("7","6","6","2","5","3","2","1") = "6"
    & skf21("7","6","6","2","5","3","3","1") = "6"
    & skf21("7","6","6","2","5","3","4","1") = "6"
    & skf21("7","6","6","2","5","3","5","1") = "6"
    & skf21("7","6","6","2","5","3","6","1") = "6"
    & skf21("7","6","6","2","5","3","7","1") = "6"
    & skf21("7","6","6","2","5","4","1","1") = "6"
    & skf21("7","6","6","2","5","4","2","1") = "6"
    & skf21("7","6","6","2","5","4","3","1") = "6"
    & skf21("7","6","6","2","5","4","4","1") = "6"
    & skf21("7","6","6","2","5","4","5","1") = "6"
    & skf21("7","6","6","2","5","4","6","1") = "6"
    & skf21("7","6","6","2","5","4","7","1") = "6"
    & skf21("7","6","6","2","5","5","1","1") = "6"
    & skf21("7","6","6","2","5","5","2","1") = "6"
    & skf21("7","6","6","2","5","5","3","1") = "6"
    & skf21("7","6","6","2","5","5","4","1") = "6"
    & skf21("7","6","6","2","5","5","5","1") = "6"
    & skf21("7","6","6","2","5","5","6","1") = "6"
    & skf21("7","6","6","2","5","5","7","1") = "6"
    & skf21("7","6","6","2","5","6","1","1") = "6"
    & skf21("7","6","6","2","5","6","2","1") = "6"
    & skf21("7","6","6","2","5","6","3","1") = "6"
    & skf21("7","6","6","2","5","6","4","1") = "6"
    & skf21("7","6","6","2","5","6","5","1") = "6"
    & skf21("7","6","6","2","5","6","6","1") = "6"
    & skf21("7","6","6","2","5","6","7","1") = "6"
    & skf21("7","6","6","2","5","7","1","1") = "6"
    & skf21("7","6","6","2","5","7","2","1") = "6"
    & skf21("7","6","6","2","5","7","3","1") = "6"
    & skf21("7","6","6","2","5","7","4","1") = "6"
    & skf21("7","6","6","2","5","7","5","1") = "6"
    & skf21("7","6","6","2","5","7","6","1") = "6"
    & skf21("7","6","6","2","5","7","7","1") = "6"
    & skf21("7","6","6","2","6","1","1","1") = "6"
    & skf21("7","6","6","2","6","1","2","1") = "6"
    & skf21("7","6","6","2","6","1","3","1") = "6"
    & skf21("7","6","6","2","6","1","4","1") = "6"
    & skf21("7","6","6","2","6","1","5","1") = "6"
    & skf21("7","6","6","2","6","1","6","1") = "6"
    & skf21("7","6","6","2","6","1","7","1") = "6"
    & skf21("7","6","6","2","6","2","1","1") = "6"
    & skf21("7","6","6","2","6","2","2","1") = "6"
    & skf21("7","6","6","2","6","2","3","1") = "6"
    & skf21("7","6","6","2","6","2","4","1") = "6"
    & skf21("7","6","6","2","6","2","5","1") = "6"
    & skf21("7","6","6","2","6","2","6","1") = "6"
    & skf21("7","6","6","2","6","2","7","1") = "6"
    & skf21("7","6","6","2","6","3","1","1") = "6"
    & skf21("7","6","6","2","6","3","2","1") = "6"
    & skf21("7","6","6","2","6","3","3","1") = "6"
    & skf21("7","6","6","2","6","3","4","1") = "6"
    & skf21("7","6","6","2","6","3","5","1") = "6"
    & skf21("7","6","6","2","6","3","6","1") = "6"
    & skf21("7","6","6","2","6","3","7","1") = "6"
    & skf21("7","6","6","2","6","4","1","1") = "6"
    & skf21("7","6","6","2","6","4","2","1") = "6"
    & skf21("7","6","6","2","6","4","3","1") = "6"
    & skf21("7","6","6","2","6","4","4","1") = "6"
    & skf21("7","6","6","2","6","4","5","1") = "6"
    & skf21("7","6","6","2","6","4","6","1") = "6"
    & skf21("7","6","6","2","6","4","7","1") = "6"
    & skf21("7","6","6","2","6","5","1","1") = "6"
    & skf21("7","6","6","2","6","5","2","1") = "6"
    & skf21("7","6","6","2","6","5","3","1") = "6"
    & skf21("7","6","6","2","6","5","4","1") = "6"
    & skf21("7","6","6","2","6","5","5","1") = "6"
    & skf21("7","6","6","2","6","5","6","1") = "6"
    & skf21("7","6","6","2","6","5","7","1") = "6"
    & skf21("7","6","6","2","6","6","1","1") = "6"
    & skf21("7","6","6","2","6","6","2","1") = "6"
    & skf21("7","6","6","2","6","6","3","1") = "6"
    & skf21("7","6","6","2","6","6","4","1") = "6"
    & skf21("7","6","6","2","6","6","5","1") = "6"
    & skf21("7","6","6","2","6","6","6","1") = "6"
    & skf21("7","6","6","2","6","6","7","1") = "6"
    & skf21("7","6","6","2","6","7","1","1") = "6"
    & skf21("7","6","6","2","6","7","2","1") = "6"
    & skf21("7","6","6","2","6","7","3","1") = "6"
    & skf21("7","6","6","2","6","7","4","1") = "6"
    & skf21("7","6","6","2","6","7","5","1") = "6"
    & skf21("7","6","6","2","6","7","6","1") = "6"
    & skf21("7","6","6","2","6","7","7","1") = "6"
    & skf21("7","6","6","2","7","1","1","1") = "6"
    & skf21("7","6","6","2","7","1","2","1") = "6"
    & skf21("7","6","6","2","7","1","3","1") = "6"
    & skf21("7","6","6","2","7","1","4","1") = "6"
    & skf21("7","6","6","2","7","1","5","1") = "6"
    & skf21("7","6","6","2","7","1","6","1") = "6"
    & skf21("7","6","6","2","7","1","7","1") = "6"
    & skf21("7","6","6","2","7","2","1","1") = "6"
    & skf21("7","6","6","2","7","2","2","1") = "6"
    & skf21("7","6","6","2","7","2","3","1") = "6"
    & skf21("7","6","6","2","7","2","4","1") = "6"
    & skf21("7","6","6","2","7","2","5","1") = "6"
    & skf21("7","6","6","2","7","2","6","1") = "6"
    & skf21("7","6","6","2","7","2","7","1") = "6"
    & skf21("7","6","6","2","7","3","1","1") = "6"
    & skf21("7","6","6","2","7","3","2","1") = "6"
    & skf21("7","6","6","2","7","3","3","1") = "6"
    & skf21("7","6","6","2","7","3","4","1") = "6"
    & skf21("7","6","6","2","7","3","5","1") = "6"
    & skf21("7","6","6","2","7","3","6","1") = "6"
    & skf21("7","6","6","2","7","3","7","1") = "6"
    & skf21("7","6","6","2","7","4","1","1") = "6"
    & skf21("7","6","6","2","7","4","2","1") = "6"
    & skf21("7","6","6","2","7","4","3","1") = "6"
    & skf21("7","6","6","2","7","4","4","1") = "6"
    & skf21("7","6","6","2","7","4","5","1") = "6"
    & skf21("7","6","6","2","7","4","6","1") = "6"
    & skf21("7","6","6","2","7","4","7","1") = "6"
    & skf21("7","6","6","2","7","5","1","1") = "6"
    & skf21("7","6","6","2","7","5","2","1") = "6"
    & skf21("7","6","6","2","7","5","3","1") = "6"
    & skf21("7","6","6","2","7","5","4","1") = "6"
    & skf21("7","6","6","2","7","5","5","1") = "6"
    & skf21("7","6","6","2","7","5","6","1") = "6"
    & skf21("7","6","6","2","7","5","7","1") = "6"
    & skf21("7","6","6","2","7","6","1","1") = "6"
    & skf21("7","6","6","2","7","6","2","1") = "6"
    & skf21("7","6","6","2","7","6","3","1") = "6"
    & skf21("7","6","6","2","7","6","4","1") = "6"
    & skf21("7","6","6","2","7","6","5","1") = "6"
    & skf21("7","6","6","2","7","6","6","1") = "6"
    & skf21("7","6","6","2","7","6","7","1") = "6"
    & skf21("7","6","6","2","7","7","1","1") = "6"
    & skf21("7","6","6","2","7","7","2","1") = "6"
    & skf21("7","6","6","2","7","7","3","1") = "6"
    & skf21("7","6","6","2","7","7","4","1") = "6"
    & skf21("7","6","6","2","7","7","5","1") = "6"
    & skf21("7","6","6","2","7","7","6","1") = "6"
    & skf21("7","6","6","2","7","7","7","1") = "6"
    & skf21("7","6","6","3","1","1","1","1") = "6"
    & skf21("7","6","6","3","1","1","2","1") = "6"
    & skf21("7","6","6","3","1","1","3","1") = "6"
    & skf21("7","6","6","3","1","1","4","1") = "6"
    & skf21("7","6","6","3","1","1","5","1") = "6"
    & skf21("7","6","6","3","1","1","6","1") = "6"
    & skf21("7","6","6","3","1","1","7","1") = "6"
    & skf21("7","6","6","3","1","2","1","1") = "6"
    & skf21("7","6","6","3","1","2","2","1") = "6"
    & skf21("7","6","6","3","1","2","3","1") = "6"
    & skf21("7","6","6","3","1","2","4","1") = "6"
    & skf21("7","6","6","3","1","2","5","1") = "6"
    & skf21("7","6","6","3","1","2","6","1") = "6"
    & skf21("7","6","6","3","1","2","7","1") = "6"
    & skf21("7","6","6","3","1","3","1","1") = "6"
    & skf21("7","6","6","3","1","3","2","1") = "6"
    & skf21("7","6","6","3","1","3","3","1") = "6"
    & skf21("7","6","6","3","1","3","4","1") = "6"
    & skf21("7","6","6","3","1","3","5","1") = "6"
    & skf21("7","6","6","3","1","3","6","1") = "6"
    & skf21("7","6","6","3","1","3","7","1") = "6"
    & skf21("7","6","6","3","1","4","1","1") = "6"
    & skf21("7","6","6","3","1","4","2","1") = "6"
    & skf21("7","6","6","3","1","4","3","1") = "6"
    & skf21("7","6","6","3","1","4","4","1") = "6"
    & skf21("7","6","6","3","1","4","5","1") = "6"
    & skf21("7","6","6","3","1","4","6","1") = "6"
    & skf21("7","6","6","3","1","4","7","1") = "6"
    & skf21("7","6","6","3","1","5","1","1") = "6"
    & skf21("7","6","6","3","1","5","2","1") = "6"
    & skf21("7","6","6","3","1","5","3","1") = "6"
    & skf21("7","6","6","3","1","5","4","1") = "6"
    & skf21("7","6","6","3","1","5","5","1") = "6"
    & skf21("7","6","6","3","1","5","6","1") = "6"
    & skf21("7","6","6","3","1","5","7","1") = "6"
    & skf21("7","6","6","3","1","6","1","1") = "6"
    & skf21("7","6","6","3","1","6","2","1") = "6"
    & skf21("7","6","6","3","1","6","3","1") = "6"
    & skf21("7","6","6","3","1","6","4","1") = "6"
    & skf21("7","6","6","3","1","6","5","1") = "6"
    & skf21("7","6","6","3","1","6","6","1") = "6"
    & skf21("7","6","6","3","1","6","7","1") = "6"
    & skf21("7","6","6","3","1","7","1","1") = "6"
    & skf21("7","6","6","3","1","7","2","1") = "6"
    & skf21("7","6","6","3","1","7","3","1") = "6"
    & skf21("7","6","6","3","1","7","4","1") = "6"
    & skf21("7","6","6","3","1","7","5","1") = "6"
    & skf21("7","6","6","3","1","7","6","1") = "6"
    & skf21("7","6","6","3","1","7","7","1") = "6"
    & skf21("7","6","6","3","2","1","1","1") = "6"
    & skf21("7","6","6","3","2","1","2","1") = "6"
    & skf21("7","6","6","3","2","1","3","1") = "6"
    & skf21("7","6","6","3","2","1","4","1") = "6"
    & skf21("7","6","6","3","2","1","5","1") = "6"
    & skf21("7","6","6","3","2","1","6","1") = "6"
    & skf21("7","6","6","3","2","1","7","1") = "6"
    & skf21("7","6","6","3","2","2","1","1") = "6"
    & skf21("7","6","6","3","2","2","2","1") = "6"
    & skf21("7","6","6","3","2","2","3","1") = "6"
    & skf21("7","6","6","3","2","2","4","1") = "6"
    & skf21("7","6","6","3","2","2","5","1") = "6"
    & skf21("7","6","6","3","2","2","6","1") = "6"
    & skf21("7","6","6","3","2","2","7","1") = "6"
    & skf21("7","6","6","3","2","3","1","1") = "6"
    & skf21("7","6","6","3","2","3","2","1") = "6"
    & skf21("7","6","6","3","2","3","3","1") = "6"
    & skf21("7","6","6","3","2","3","4","1") = "6"
    & skf21("7","6","6","3","2","3","5","1") = "6"
    & skf21("7","6","6","3","2","3","6","1") = "6"
    & skf21("7","6","6","3","2","3","7","1") = "6"
    & skf21("7","6","6","3","2","4","1","1") = "6"
    & skf21("7","6","6","3","2","4","2","1") = "6"
    & skf21("7","6","6","3","2","4","3","1") = "6"
    & skf21("7","6","6","3","2","4","4","1") = "6"
    & skf21("7","6","6","3","2","4","5","1") = "6"
    & skf21("7","6","6","3","2","4","6","1") = "6"
    & skf21("7","6","6","3","2","4","7","1") = "6"
    & skf21("7","6","6","3","2","5","1","1") = "6"
    & skf21("7","6","6","3","2","5","2","1") = "6"
    & skf21("7","6","6","3","2","5","3","1") = "6"
    & skf21("7","6","6","3","2","5","4","1") = "6"
    & skf21("7","6","6","3","2","5","5","1") = "6"
    & skf21("7","6","6","3","2","5","6","1") = "6"
    & skf21("7","6","6","3","2","5","7","1") = "6"
    & skf21("7","6","6","3","2","6","1","1") = "6"
    & skf21("7","6","6","3","2","6","2","1") = "6"
    & skf21("7","6","6","3","2","6","3","1") = "6"
    & skf21("7","6","6","3","2","6","4","1") = "6"
    & skf21("7","6","6","3","2","6","5","1") = "6"
    & skf21("7","6","6","3","2","6","6","1") = "6"
    & skf21("7","6","6","3","2","6","7","1") = "6"
    & skf21("7","6","6","3","2","7","1","1") = "6"
    & skf21("7","6","6","3","2","7","2","1") = "6"
    & skf21("7","6","6","3","2","7","3","1") = "6"
    & skf21("7","6","6","3","2","7","4","1") = "6"
    & skf21("7","6","6","3","2","7","5","1") = "6"
    & skf21("7","6","6","3","2","7","6","1") = "6"
    & skf21("7","6","6","3","2","7","7","1") = "6"
    & skf21("7","6","6","3","3","1","1","1") = "6"
    & skf21("7","6","6","3","3","1","2","1") = "6"
    & skf21("7","6","6","3","3","1","3","1") = "6"
    & skf21("7","6","6","3","3","1","4","1") = "6"
    & skf21("7","6","6","3","3","1","5","1") = "6"
    & skf21("7","6","6","3","3","1","6","1") = "6"
    & skf21("7","6","6","3","3","1","7","1") = "6"
    & skf21("7","6","6","3","3","2","1","1") = "6"
    & skf21("7","6","6","3","3","2","2","1") = "6"
    & skf21("7","6","6","3","3","2","3","1") = "6"
    & skf21("7","6","6","3","3","2","4","1") = "6"
    & skf21("7","6","6","3","3","2","5","1") = "6"
    & skf21("7","6","6","3","3","2","6","1") = "6"
    & skf21("7","6","6","3","3","2","7","1") = "6"
    & skf21("7","6","6","3","3","3","1","1") = "6"
    & skf21("7","6","6","3","3","3","2","1") = "6"
    & skf21("7","6","6","3","3","3","3","1") = "6"
    & skf21("7","6","6","3","3","3","4","1") = "6"
    & skf21("7","6","6","3","3","3","5","1") = "6"
    & skf21("7","6","6","3","3","3","6","1") = "6"
    & skf21("7","6","6","3","3","3","7","1") = "6"
    & skf21("7","6","6","3","3","4","1","1") = "6"
    & skf21("7","6","6","3","3","4","2","1") = "6"
    & skf21("7","6","6","3","3","4","3","1") = "6"
    & skf21("7","6","6","3","3","4","4","1") = "6"
    & skf21("7","6","6","3","3","4","5","1") = "6"
    & skf21("7","6","6","3","3","4","6","1") = "6"
    & skf21("7","6","6","3","3","4","7","1") = "6"
    & skf21("7","6","6","3","3","5","1","1") = "6"
    & skf21("7","6","6","3","3","5","2","1") = "6"
    & skf21("7","6","6","3","3","5","3","1") = "6"
    & skf21("7","6","6","3","3","5","4","1") = "6"
    & skf21("7","6","6","3","3","5","5","1") = "6"
    & skf21("7","6","6","3","3","5","6","1") = "6"
    & skf21("7","6","6","3","3","5","7","1") = "6"
    & skf21("7","6","6","3","3","6","1","1") = "6"
    & skf21("7","6","6","3","3","6","2","1") = "6"
    & skf21("7","6","6","3","3","6","3","1") = "6"
    & skf21("7","6","6","3","3","6","4","1") = "6"
    & skf21("7","6","6","3","3","6","5","1") = "6"
    & skf21("7","6","6","3","3","6","6","1") = "6"
    & skf21("7","6","6","3","3","6","7","1") = "6"
    & skf21("7","6","6","3","3","7","1","1") = "6"
    & skf21("7","6","6","3","3","7","2","1") = "6"
    & skf21("7","6","6","3","3","7","3","1") = "6"
    & skf21("7","6","6","3","3","7","4","1") = "6"
    & skf21("7","6","6","3","3","7","5","1") = "6"
    & skf21("7","6","6","3","3","7","6","1") = "6"
    & skf21("7","6","6","3","3","7","7","1") = "6"
    & skf21("7","6","6","3","4","1","1","1") = "6"
    & skf21("7","6","6","3","4","1","2","1") = "6"
    & skf21("7","6","6","3","4","1","3","1") = "6"
    & skf21("7","6","6","3","4","1","4","1") = "6"
    & skf21("7","6","6","3","4","1","5","1") = "6"
    & skf21("7","6","6","3","4","1","6","1") = "6"
    & skf21("7","6","6","3","4","1","7","1") = "6"
    & skf21("7","6","6","3","4","2","1","1") = "6"
    & skf21("7","6","6","3","4","2","2","1") = "6"
    & skf21("7","6","6","3","4","2","3","1") = "6"
    & skf21("7","6","6","3","4","2","4","1") = "6"
    & skf21("7","6","6","3","4","2","5","1") = "6"
    & skf21("7","6","6","3","4","2","6","1") = "6"
    & skf21("7","6","6","3","4","2","7","1") = "6"
    & skf21("7","6","6","3","4","3","1","1") = "6"
    & skf21("7","6","6","3","4","3","2","1") = "6"
    & skf21("7","6","6","3","4","3","3","1") = "6"
    & skf21("7","6","6","3","4","3","4","1") = "6"
    & skf21("7","6","6","3","4","3","5","1") = "6"
    & skf21("7","6","6","3","4","3","6","1") = "6"
    & skf21("7","6","6","3","4","3","7","1") = "6"
    & skf21("7","6","6","3","4","4","1","1") = "6"
    & skf21("7","6","6","3","4","4","2","1") = "6"
    & skf21("7","6","6","3","4","4","3","1") = "6"
    & skf21("7","6","6","3","4","4","4","1") = "6"
    & skf21("7","6","6","3","4","4","5","1") = "6"
    & skf21("7","6","6","3","4","4","6","1") = "6"
    & skf21("7","6","6","3","4","4","7","1") = "6"
    & skf21("7","6","6","3","4","5","1","1") = "6"
    & skf21("7","6","6","3","4","5","2","1") = "6"
    & skf21("7","6","6","3","4","5","3","1") = "6"
    & skf21("7","6","6","3","4","5","4","1") = "6"
    & skf21("7","6","6","3","4","5","5","1") = "6"
    & skf21("7","6","6","3","4","5","6","1") = "6"
    & skf21("7","6","6","3","4","5","7","1") = "6"
    & skf21("7","6","6","3","4","6","1","1") = "6"
    & skf21("7","6","6","3","4","6","2","1") = "6"
    & skf21("7","6","6","3","4","6","3","1") = "6"
    & skf21("7","6","6","3","4","6","4","1") = "6"
    & skf21("7","6","6","3","4","6","5","1") = "6"
    & skf21("7","6","6","3","4","6","6","1") = "6"
    & skf21("7","6","6","3","4","6","7","1") = "6"
    & skf21("7","6","6","3","4","7","1","1") = "6"
    & skf21("7","6","6","3","4","7","2","1") = "6"
    & skf21("7","6","6","3","4","7","3","1") = "6"
    & skf21("7","6","6","3","4","7","4","1") = "6"
    & skf21("7","6","6","3","4","7","5","1") = "6"
    & skf21("7","6","6","3","4","7","6","1") = "6"
    & skf21("7","6","6","3","4","7","7","1") = "6"
    & skf21("7","6","6","3","5","1","1","1") = "6"
    & skf21("7","6","6","3","5","1","2","1") = "6"
    & skf21("7","6","6","3","5","1","3","1") = "6"
    & skf21("7","6","6","3","5","1","4","1") = "6"
    & skf21("7","6","6","3","5","1","5","1") = "6"
    & skf21("7","6","6","3","5","1","6","1") = "6"
    & skf21("7","6","6","3","5","1","7","1") = "6"
    & skf21("7","6","6","3","5","2","1","1") = "6"
    & skf21("7","6","6","3","5","2","2","1") = "6"
    & skf21("7","6","6","3","5","2","3","1") = "6"
    & skf21("7","6","6","3","5","2","4","1") = "6"
    & skf21("7","6","6","3","5","2","5","1") = "6"
    & skf21("7","6","6","3","5","2","6","1") = "6"
    & skf21("7","6","6","3","5","2","7","1") = "6"
    & skf21("7","6","6","3","5","3","1","1") = "6"
    & skf21("7","6","6","3","5","3","2","1") = "6"
    & skf21("7","6","6","3","5","3","3","1") = "6"
    & skf21("7","6","6","3","5","3","4","1") = "6"
    & skf21("7","6","6","3","5","3","5","1") = "6"
    & skf21("7","6","6","3","5","3","6","1") = "6"
    & skf21("7","6","6","3","5","3","7","1") = "6"
    & skf21("7","6","6","3","5","4","1","1") = "6"
    & skf21("7","6","6","3","5","4","2","1") = "6"
    & skf21("7","6","6","3","5","4","3","1") = "6"
    & skf21("7","6","6","3","5","4","4","1") = "6"
    & skf21("7","6","6","3","5","4","5","1") = "6"
    & skf21("7","6","6","3","5","4","6","1") = "6"
    & skf21("7","6","6","3","5","4","7","1") = "6"
    & skf21("7","6","6","3","5","5","1","1") = "6"
    & skf21("7","6","6","3","5","5","2","1") = "6"
    & skf21("7","6","6","3","5","5","3","1") = "6"
    & skf21("7","6","6","3","5","5","4","1") = "6"
    & skf21("7","6","6","3","5","5","5","1") = "6"
    & skf21("7","6","6","3","5","5","6","1") = "6"
    & skf21("7","6","6","3","5","5","7","1") = "6"
    & skf21("7","6","6","3","5","6","1","1") = "6"
    & skf21("7","6","6","3","5","6","2","1") = "6"
    & skf21("7","6","6","3","5","6","3","1") = "6"
    & skf21("7","6","6","3","5","6","4","1") = "6"
    & skf21("7","6","6","3","5","6","5","1") = "6"
    & skf21("7","6","6","3","5","6","6","1") = "6"
    & skf21("7","6","6","3","5","6","7","1") = "6"
    & skf21("7","6","6","3","5","7","1","1") = "6"
    & skf21("7","6","6","3","5","7","2","1") = "6"
    & skf21("7","6","6","3","5","7","3","1") = "6"
    & skf21("7","6","6","3","5","7","4","1") = "6"
    & skf21("7","6","6","3","5","7","5","1") = "6"
    & skf21("7","6","6","3","5","7","6","1") = "6"
    & skf21("7","6","6","3","5","7","7","1") = "6"
    & skf21("7","6","6","3","6","1","1","1") = "6"
    & skf21("7","6","6","3","6","1","2","1") = "6"
    & skf21("7","6","6","3","6","1","3","1") = "6"
    & skf21("7","6","6","3","6","1","4","1") = "6"
    & skf21("7","6","6","3","6","1","5","1") = "6"
    & skf21("7","6","6","3","6","1","6","1") = "6"
    & skf21("7","6","6","3","6","1","7","1") = "6"
    & skf21("7","6","6","3","6","2","1","1") = "6"
    & skf21("7","6","6","3","6","2","2","1") = "6"
    & skf21("7","6","6","3","6","2","3","1") = "6"
    & skf21("7","6","6","3","6","2","4","1") = "6"
    & skf21("7","6","6","3","6","2","5","1") = "6"
    & skf21("7","6","6","3","6","2","6","1") = "6"
    & skf21("7","6","6","3","6","2","7","1") = "6"
    & skf21("7","6","6","3","6","3","1","1") = "6"
    & skf21("7","6","6","3","6","3","2","1") = "6"
    & skf21("7","6","6","3","6","3","3","1") = "6"
    & skf21("7","6","6","3","6","3","4","1") = "6"
    & skf21("7","6","6","3","6","3","5","1") = "6"
    & skf21("7","6","6","3","6","3","6","1") = "6"
    & skf21("7","6","6","3","6","3","7","1") = "6"
    & skf21("7","6","6","3","6","4","1","1") = "6"
    & skf21("7","6","6","3","6","4","2","1") = "6"
    & skf21("7","6","6","3","6","4","3","1") = "6"
    & skf21("7","6","6","3","6","4","4","1") = "6"
    & skf21("7","6","6","3","6","4","5","1") = "6"
    & skf21("7","6","6","3","6","4","6","1") = "6"
    & skf21("7","6","6","3","6","4","7","1") = "6"
    & skf21("7","6","6","3","6","5","1","1") = "6"
    & skf21("7","6","6","3","6","5","2","1") = "6"
    & skf21("7","6","6","3","6","5","3","1") = "6"
    & skf21("7","6","6","3","6","5","4","1") = "6"
    & skf21("7","6","6","3","6","5","5","1") = "6"
    & skf21("7","6","6","3","6","5","6","1") = "6"
    & skf21("7","6","6","3","6","5","7","1") = "6"
    & skf21("7","6","6","3","6","6","1","1") = "6"
    & skf21("7","6","6","3","6","6","2","1") = "6"
    & skf21("7","6","6","3","6","6","3","1") = "6"
    & skf21("7","6","6","3","6","6","4","1") = "6"
    & skf21("7","6","6","3","6","6","5","1") = "6"
    & skf21("7","6","6","3","6","6","6","1") = "6"
    & skf21("7","6","6","3","6","6","7","1") = "6"
    & skf21("7","6","6","3","6","7","1","1") = "6"
    & skf21("7","6","6","3","6","7","2","1") = "6"
    & skf21("7","6","6","3","6","7","3","1") = "6"
    & skf21("7","6","6","3","6","7","4","1") = "6"
    & skf21("7","6","6","3","6","7","5","1") = "6"
    & skf21("7","6","6","3","6","7","6","1") = "6"
    & skf21("7","6","6","3","6","7","7","1") = "6"
    & skf21("7","6","6","3","7","1","1","1") = "6"
    & skf21("7","6","6","3","7","1","2","1") = "6"
    & skf21("7","6","6","3","7","1","3","1") = "6"
    & skf21("7","6","6","3","7","1","4","1") = "6"
    & skf21("7","6","6","3","7","1","5","1") = "6"
    & skf21("7","6","6","3","7","1","6","1") = "6"
    & skf21("7","6","6","3","7","1","7","1") = "6"
    & skf21("7","6","6","3","7","2","1","1") = "6"
    & skf21("7","6","6","3","7","2","2","1") = "6"
    & skf21("7","6","6","3","7","2","3","1") = "6"
    & skf21("7","6","6","3","7","2","4","1") = "6"
    & skf21("7","6","6","3","7","2","5","1") = "6"
    & skf21("7","6","6","3","7","2","6","1") = "6"
    & skf21("7","6","6","3","7","2","7","1") = "6"
    & skf21("7","6","6","3","7","3","1","1") = "6"
    & skf21("7","6","6","3","7","3","2","1") = "6"
    & skf21("7","6","6","3","7","3","3","1") = "6"
    & skf21("7","6","6","3","7","3","4","1") = "6"
    & skf21("7","6","6","3","7","3","5","1") = "6"
    & skf21("7","6","6","3","7","3","6","1") = "6"
    & skf21("7","6","6","3","7","3","7","1") = "6"
    & skf21("7","6","6","3","7","4","1","1") = "6"
    & skf21("7","6","6","3","7","4","2","1") = "6"
    & skf21("7","6","6","3","7","4","3","1") = "6"
    & skf21("7","6","6","3","7","4","4","1") = "6"
    & skf21("7","6","6","3","7","4","5","1") = "6"
    & skf21("7","6","6","3","7","4","6","1") = "6"
    & skf21("7","6","6","3","7","4","7","1") = "6"
    & skf21("7","6","6","3","7","5","1","1") = "6"
    & skf21("7","6","6","3","7","5","2","1") = "6"
    & skf21("7","6","6","3","7","5","3","1") = "6"
    & skf21("7","6","6","3","7","5","4","1") = "6"
    & skf21("7","6","6","3","7","5","5","1") = "6"
    & skf21("7","6","6","3","7","5","6","1") = "6"
    & skf21("7","6","6","3","7","5","7","1") = "6"
    & skf21("7","6","6","3","7","6","1","1") = "6"
    & skf21("7","6","6","3","7","6","2","1") = "6"
    & skf21("7","6","6","3","7","6","3","1") = "6"
    & skf21("7","6","6","3","7","6","4","1") = "6"
    & skf21("7","6","6","3","7","6","5","1") = "6"
    & skf21("7","6","6","3","7","6","6","1") = "6"
    & skf21("7","6","6","3","7","6","7","1") = "6"
    & skf21("7","6","6","3","7","7","1","1") = "6"
    & skf21("7","6","6","3","7","7","2","1") = "6"
    & skf21("7","6","6","3","7","7","3","1") = "6"
    & skf21("7","6","6","3","7","7","4","1") = "6"
    & skf21("7","6","6","3","7","7","5","1") = "6"
    & skf21("7","6","6","3","7","7","6","1") = "6"
    & skf21("7","6","6","3","7","7","7","1") = "6"
    & skf21("7","6","6","4","1","1","1","1") = "6"
    & skf21("7","6","6","4","1","1","2","1") = "6"
    & skf21("7","6","6","4","1","1","3","1") = "6"
    & skf21("7","6","6","4","1","1","4","1") = "6"
    & skf21("7","6","6","4","1","1","5","1") = "6"
    & skf21("7","6","6","4","1","1","6","1") = "6"
    & skf21("7","6","6","4","1","1","7","1") = "6"
    & skf21("7","6","6","4","1","2","1","1") = "6"
    & skf21("7","6","6","4","1","2","2","1") = "6"
    & skf21("7","6","6","4","1","2","3","1") = "6"
    & skf21("7","6","6","4","1","2","4","1") = "6"
    & skf21("7","6","6","4","1","2","5","1") = "6"
    & skf21("7","6","6","4","1","2","6","1") = "6"
    & skf21("7","6","6","4","1","2","7","1") = "6"
    & skf21("7","6","6","4","1","3","1","1") = "6"
    & skf21("7","6","6","4","1","3","2","1") = "6"
    & skf21("7","6","6","4","1","3","3","1") = "6"
    & skf21("7","6","6","4","1","3","4","1") = "6"
    & skf21("7","6","6","4","1","3","5","1") = "6"
    & skf21("7","6","6","4","1","3","6","1") = "6"
    & skf21("7","6","6","4","1","3","7","1") = "6"
    & skf21("7","6","6","4","1","4","1","1") = "6"
    & skf21("7","6","6","4","1","4","2","1") = "6"
    & skf21("7","6","6","4","1","4","3","1") = "6"
    & skf21("7","6","6","4","1","4","4","1") = "6"
    & skf21("7","6","6","4","1","4","5","1") = "6"
    & skf21("7","6","6","4","1","4","6","1") = "6"
    & skf21("7","6","6","4","1","4","7","1") = "6"
    & skf21("7","6","6","4","1","5","1","1") = "6"
    & skf21("7","6","6","4","1","5","2","1") = "6"
    & skf21("7","6","6","4","1","5","3","1") = "6"
    & skf21("7","6","6","4","1","5","4","1") = "6"
    & skf21("7","6","6","4","1","5","5","1") = "6"
    & skf21("7","6","6","4","1","5","6","1") = "6"
    & skf21("7","6","6","4","1","5","7","1") = "6"
    & skf21("7","6","6","4","1","6","1","1") = "6"
    & skf21("7","6","6","4","1","6","2","1") = "6"
    & skf21("7","6","6","4","1","6","3","1") = "6"
    & skf21("7","6","6","4","1","6","4","1") = "6"
    & skf21("7","6","6","4","1","6","5","1") = "6"
    & skf21("7","6","6","4","1","6","6","1") = "6"
    & skf21("7","6","6","4","1","6","7","1") = "6"
    & skf21("7","6","6","4","1","7","1","1") = "6"
    & skf21("7","6","6","4","1","7","2","1") = "6"
    & skf21("7","6","6","4","1","7","3","1") = "6"
    & skf21("7","6","6","4","1","7","4","1") = "6"
    & skf21("7","6","6","4","1","7","5","1") = "6"
    & skf21("7","6","6","4","1","7","6","1") = "6"
    & skf21("7","6","6","4","1","7","7","1") = "6"
    & skf21("7","6","6","4","2","1","1","1") = "6"
    & skf21("7","6","6","4","2","1","2","1") = "6"
    & skf21("7","6","6","4","2","1","3","1") = "6"
    & skf21("7","6","6","4","2","1","4","1") = "6"
    & skf21("7","6","6","4","2","1","5","1") = "6"
    & skf21("7","6","6","4","2","1","6","1") = "6"
    & skf21("7","6","6","4","2","1","7","1") = "6"
    & skf21("7","6","6","4","2","2","1","1") = "6"
    & skf21("7","6","6","4","2","2","2","1") = "6"
    & skf21("7","6","6","4","2","2","3","1") = "6"
    & skf21("7","6","6","4","2","2","4","1") = "6"
    & skf21("7","6","6","4","2","2","5","1") = "6"
    & skf21("7","6","6","4","2","2","6","1") = "6"
    & skf21("7","6","6","4","2","2","7","1") = "6"
    & skf21("7","6","6","4","2","3","1","1") = "6"
    & skf21("7","6","6","4","2","3","2","1") = "6"
    & skf21("7","6","6","4","2","3","3","1") = "6"
    & skf21("7","6","6","4","2","3","4","1") = "6"
    & skf21("7","6","6","4","2","3","5","1") = "6"
    & skf21("7","6","6","4","2","3","6","1") = "6"
    & skf21("7","6","6","4","2","3","7","1") = "6"
    & skf21("7","6","6","4","2","4","1","1") = "6"
    & skf21("7","6","6","4","2","4","2","1") = "6"
    & skf21("7","6","6","4","2","4","3","1") = "6"
    & skf21("7","6","6","4","2","4","4","1") = "6"
    & skf21("7","6","6","4","2","4","5","1") = "6"
    & skf21("7","6","6","4","2","4","6","1") = "6"
    & skf21("7","6","6","4","2","4","7","1") = "6"
    & skf21("7","6","6","4","2","5","1","1") = "6"
    & skf21("7","6","6","4","2","5","2","1") = "6"
    & skf21("7","6","6","4","2","5","3","1") = "6"
    & skf21("7","6","6","4","2","5","4","1") = "6"
    & skf21("7","6","6","4","2","5","5","1") = "6"
    & skf21("7","6","6","4","2","5","6","1") = "6"
    & skf21("7","6","6","4","2","5","7","1") = "6"
    & skf21("7","6","6","4","2","6","1","1") = "6"
    & skf21("7","6","6","4","2","6","2","1") = "6"
    & skf21("7","6","6","4","2","6","3","1") = "6"
    & skf21("7","6","6","4","2","6","4","1") = "6"
    & skf21("7","6","6","4","2","6","5","1") = "6"
    & skf21("7","6","6","4","2","6","6","1") = "6"
    & skf21("7","6","6","4","2","6","7","1") = "6"
    & skf21("7","6","6","4","2","7","1","1") = "6"
    & skf21("7","6","6","4","2","7","2","1") = "6"
    & skf21("7","6","6","4","2","7","3","1") = "6"
    & skf21("7","6","6","4","2","7","4","1") = "6"
    & skf21("7","6","6","4","2","7","5","1") = "6"
    & skf21("7","6","6","4","2","7","6","1") = "6"
    & skf21("7","6","6","4","2","7","7","1") = "6"
    & skf21("7","6","6","4","3","1","1","1") = "6"
    & skf21("7","6","6","4","3","1","2","1") = "6"
    & skf21("7","6","6","4","3","1","3","1") = "6"
    & skf21("7","6","6","4","3","1","4","1") = "6"
    & skf21("7","6","6","4","3","1","5","1") = "6"
    & skf21("7","6","6","4","3","1","6","1") = "6"
    & skf21("7","6","6","4","3","1","7","1") = "6"
    & skf21("7","6","6","4","3","2","1","1") = "6"
    & skf21("7","6","6","4","3","2","2","1") = "6"
    & skf21("7","6","6","4","3","2","3","1") = "6"
    & skf21("7","6","6","4","3","2","4","1") = "6"
    & skf21("7","6","6","4","3","2","5","1") = "6"
    & skf21("7","6","6","4","3","2","6","1") = "6"
    & skf21("7","6","6","4","3","2","7","1") = "6"
    & skf21("7","6","6","4","3","3","1","1") = "6"
    & skf21("7","6","6","4","3","3","2","1") = "6"
    & skf21("7","6","6","4","3","3","3","1") = "6"
    & skf21("7","6","6","4","3","3","4","1") = "6"
    & skf21("7","6","6","4","3","3","5","1") = "6"
    & skf21("7","6","6","4","3","3","6","1") = "6"
    & skf21("7","6","6","4","3","3","7","1") = "6"
    & skf21("7","6","6","4","3","4","1","1") = "6"
    & skf21("7","6","6","4","3","4","2","1") = "6"
    & skf21("7","6","6","4","3","4","3","1") = "6"
    & skf21("7","6","6","4","3","4","4","1") = "6"
    & skf21("7","6","6","4","3","4","5","1") = "6"
    & skf21("7","6","6","4","3","4","6","1") = "6"
    & skf21("7","6","6","4","3","4","7","1") = "6"
    & skf21("7","6","6","4","3","5","1","1") = "6"
    & skf21("7","6","6","4","3","5","2","1") = "6"
    & skf21("7","6","6","4","3","5","3","1") = "6"
    & skf21("7","6","6","4","3","5","4","1") = "6"
    & skf21("7","6","6","4","3","5","5","1") = "6"
    & skf21("7","6","6","4","3","5","6","1") = "6"
    & skf21("7","6","6","4","3","5","7","1") = "6"
    & skf21("7","6","6","4","3","6","1","1") = "6"
    & skf21("7","6","6","4","3","6","2","1") = "6"
    & skf21("7","6","6","4","3","6","3","1") = "6"
    & skf21("7","6","6","4","3","6","4","1") = "6"
    & skf21("7","6","6","4","3","6","5","1") = "6"
    & skf21("7","6","6","4","3","6","6","1") = "6"
    & skf21("7","6","6","4","3","6","7","1") = "6"
    & skf21("7","6","6","4","3","7","1","1") = "6"
    & skf21("7","6","6","4","3","7","2","1") = "6"
    & skf21("7","6","6","4","3","7","3","1") = "6"
    & skf21("7","6","6","4","3","7","4","1") = "6"
    & skf21("7","6","6","4","3","7","5","1") = "6"
    & skf21("7","6","6","4","3","7","6","1") = "6"
    & skf21("7","6","6","4","3","7","7","1") = "6"
    & skf21("7","6","6","4","4","1","1","1") = "6"
    & skf21("7","6","6","4","4","1","2","1") = "6"
    & skf21("7","6","6","4","4","1","3","1") = "6"
    & skf21("7","6","6","4","4","1","4","1") = "6"
    & skf21("7","6","6","4","4","1","5","1") = "6"
    & skf21("7","6","6","4","4","1","6","1") = "6"
    & skf21("7","6","6","4","4","1","7","1") = "6"
    & skf21("7","6","6","4","4","2","1","1") = "6"
    & skf21("7","6","6","4","4","2","2","1") = "6"
    & skf21("7","6","6","4","4","2","3","1") = "6"
    & skf21("7","6","6","4","4","2","4","1") = "6"
    & skf21("7","6","6","4","4","2","5","1") = "6"
    & skf21("7","6","6","4","4","2","6","1") = "6"
    & skf21("7","6","6","4","4","2","7","1") = "6"
    & skf21("7","6","6","4","4","3","1","1") = "6"
    & skf21("7","6","6","4","4","3","2","1") = "6"
    & skf21("7","6","6","4","4","3","3","1") = "6"
    & skf21("7","6","6","4","4","3","4","1") = "6"
    & skf21("7","6","6","4","4","3","5","1") = "6"
    & skf21("7","6","6","4","4","3","6","1") = "6"
    & skf21("7","6","6","4","4","3","7","1") = "6"
    & skf21("7","6","6","4","4","4","1","1") = "6"
    & skf21("7","6","6","4","4","4","2","1") = "6"
    & skf21("7","6","6","4","4","4","3","1") = "6"
    & skf21("7","6","6","4","4","4","4","1") = "6"
    & skf21("7","6","6","4","4","4","5","1") = "6"
    & skf21("7","6","6","4","4","4","6","1") = "6"
    & skf21("7","6","6","4","4","4","7","1") = "6"
    & skf21("7","6","6","4","4","5","1","1") = "6"
    & skf21("7","6","6","4","4","5","2","1") = "6"
    & skf21("7","6","6","4","4","5","3","1") = "6"
    & skf21("7","6","6","4","4","5","4","1") = "6"
    & skf21("7","6","6","4","4","5","5","1") = "6"
    & skf21("7","6","6","4","4","5","6","1") = "6"
    & skf21("7","6","6","4","4","5","7","1") = "6"
    & skf21("7","6","6","4","4","6","1","1") = "6"
    & skf21("7","6","6","4","4","6","2","1") = "6"
    & skf21("7","6","6","4","4","6","3","1") = "6"
    & skf21("7","6","6","4","4","6","4","1") = "6"
    & skf21("7","6","6","4","4","6","5","1") = "6"
    & skf21("7","6","6","4","4","6","6","1") = "6"
    & skf21("7","6","6","4","4","6","7","1") = "6"
    & skf21("7","6","6","4","4","7","1","1") = "6"
    & skf21("7","6","6","4","4","7","2","1") = "6"
    & skf21("7","6","6","4","4","7","3","1") = "6"
    & skf21("7","6","6","4","4","7","4","1") = "6"
    & skf21("7","6","6","4","4","7","5","1") = "6"
    & skf21("7","6","6","4","4","7","6","1") = "6"
    & skf21("7","6","6","4","4","7","7","1") = "6"
    & skf21("7","6","6","4","5","1","1","1") = "6"
    & skf21("7","6","6","4","5","1","2","1") = "6"
    & skf21("7","6","6","4","5","1","3","1") = "6"
    & skf21("7","6","6","4","5","1","4","1") = "6"
    & skf21("7","6","6","4","5","1","5","1") = "6"
    & skf21("7","6","6","4","5","1","6","1") = "6"
    & skf21("7","6","6","4","5","1","7","1") = "6"
    & skf21("7","6","6","4","5","2","1","1") = "6"
    & skf21("7","6","6","4","5","2","2","1") = "6"
    & skf21("7","6","6","4","5","2","3","1") = "6"
    & skf21("7","6","6","4","5","2","4","1") = "6"
    & skf21("7","6","6","4","5","2","5","1") = "6"
    & skf21("7","6","6","4","5","2","6","1") = "6"
    & skf21("7","6","6","4","5","2","7","1") = "6"
    & skf21("7","6","6","4","5","3","1","1") = "6"
    & skf21("7","6","6","4","5","3","2","1") = "6"
    & skf21("7","6","6","4","5","3","3","1") = "6"
    & skf21("7","6","6","4","5","3","4","1") = "6"
    & skf21("7","6","6","4","5","3","5","1") = "6"
    & skf21("7","6","6","4","5","3","6","1") = "6"
    & skf21("7","6","6","4","5","3","7","1") = "6"
    & skf21("7","6","6","4","5","4","1","1") = "6"
    & skf21("7","6","6","4","5","4","2","1") = "6"
    & skf21("7","6","6","4","5","4","3","1") = "6"
    & skf21("7","6","6","4","5","4","4","1") = "6"
    & skf21("7","6","6","4","5","4","5","1") = "6"
    & skf21("7","6","6","4","5","4","6","1") = "6"
    & skf21("7","6","6","4","5","4","7","1") = "6"
    & skf21("7","6","6","4","5","5","1","1") = "6"
    & skf21("7","6","6","4","5","5","2","1") = "6"
    & skf21("7","6","6","4","5","5","3","1") = "6"
    & skf21("7","6","6","4","5","5","4","1") = "6"
    & skf21("7","6","6","4","5","5","5","1") = "6"
    & skf21("7","6","6","4","5","5","6","1") = "6"
    & skf21("7","6","6","4","5","5","7","1") = "6"
    & skf21("7","6","6","4","5","6","1","1") = "6"
    & skf21("7","6","6","4","5","6","2","1") = "6"
    & skf21("7","6","6","4","5","6","3","1") = "6"
    & skf21("7","6","6","4","5","6","4","1") = "6"
    & skf21("7","6","6","4","5","6","5","1") = "6"
    & skf21("7","6","6","4","5","6","6","1") = "6"
    & skf21("7","6","6","4","5","6","7","1") = "6"
    & skf21("7","6","6","4","5","7","1","1") = "6"
    & skf21("7","6","6","4","5","7","2","1") = "6"
    & skf21("7","6","6","4","5","7","3","1") = "6"
    & skf21("7","6","6","4","5","7","4","1") = "6"
    & skf21("7","6","6","4","5","7","5","1") = "6"
    & skf21("7","6","6","4","5","7","6","1") = "6"
    & skf21("7","6","6","4","5","7","7","1") = "6"
    & skf21("7","6","6","4","6","1","1","1") = "6"
    & skf21("7","6","6","4","6","1","2","1") = "6"
    & skf21("7","6","6","4","6","1","3","1") = "6"
    & skf21("7","6","6","4","6","1","4","1") = "6"
    & skf21("7","6","6","4","6","1","5","1") = "6"
    & skf21("7","6","6","4","6","1","6","1") = "6"
    & skf21("7","6","6","4","6","1","7","1") = "6"
    & skf21("7","6","6","4","6","2","1","1") = "6"
    & skf21("7","6","6","4","6","2","2","1") = "6"
    & skf21("7","6","6","4","6","2","3","1") = "6"
    & skf21("7","6","6","4","6","2","4","1") = "6"
    & skf21("7","6","6","4","6","2","5","1") = "6"
    & skf21("7","6","6","4","6","2","6","1") = "6"
    & skf21("7","6","6","4","6","2","7","1") = "6"
    & skf21("7","6","6","4","6","3","1","1") = "6"
    & skf21("7","6","6","4","6","3","2","1") = "6"
    & skf21("7","6","6","4","6","3","3","1") = "6"
    & skf21("7","6","6","4","6","3","4","1") = "6"
    & skf21("7","6","6","4","6","3","5","1") = "6"
    & skf21("7","6","6","4","6","3","6","1") = "6"
    & skf21("7","6","6","4","6","3","7","1") = "6"
    & skf21("7","6","6","4","6","4","1","1") = "6"
    & skf21("7","6","6","4","6","4","2","1") = "6"
    & skf21("7","6","6","4","6","4","3","1") = "6"
    & skf21("7","6","6","4","6","4","4","1") = "6"
    & skf21("7","6","6","4","6","4","5","1") = "6"
    & skf21("7","6","6","4","6","4","6","1") = "6"
    & skf21("7","6","6","4","6","4","7","1") = "6"
    & skf21("7","6","6","4","6","5","1","1") = "6"
    & skf21("7","6","6","4","6","5","2","1") = "6"
    & skf21("7","6","6","4","6","5","3","1") = "6"
    & skf21("7","6","6","4","6","5","4","1") = "6"
    & skf21("7","6","6","4","6","5","5","1") = "6"
    & skf21("7","6","6","4","6","5","6","1") = "6"
    & skf21("7","6","6","4","6","5","7","1") = "6"
    & skf21("7","6","6","4","6","6","1","1") = "6"
    & skf21("7","6","6","4","6","6","2","1") = "6"
    & skf21("7","6","6","4","6","6","3","1") = "6"
    & skf21("7","6","6","4","6","6","4","1") = "6"
    & skf21("7","6","6","4","6","6","5","1") = "6"
    & skf21("7","6","6","4","6","6","6","1") = "6"
    & skf21("7","6","6","4","6","6","7","1") = "6"
    & skf21("7","6","6","4","6","7","1","1") = "6"
    & skf21("7","6","6","4","6","7","2","1") = "6"
    & skf21("7","6","6","4","6","7","3","1") = "6"
    & skf21("7","6","6","4","6","7","4","1") = "6"
    & skf21("7","6","6","4","6","7","5","1") = "6"
    & skf21("7","6","6","4","6","7","6","1") = "6"
    & skf21("7","6","6","4","6","7","7","1") = "6"
    & skf21("7","6","6","4","7","1","1","1") = "6"
    & skf21("7","6","6","4","7","1","2","1") = "6"
    & skf21("7","6","6","4","7","1","3","1") = "6"
    & skf21("7","6","6","4","7","1","4","1") = "6"
    & skf21("7","6","6","4","7","1","5","1") = "6"
    & skf21("7","6","6","4","7","1","6","1") = "6"
    & skf21("7","6","6","4","7","1","7","1") = "6"
    & skf21("7","6","6","4","7","2","1","1") = "6"
    & skf21("7","6","6","4","7","2","2","1") = "6"
    & skf21("7","6","6","4","7","2","3","1") = "6"
    & skf21("7","6","6","4","7","2","4","1") = "6"
    & skf21("7","6","6","4","7","2","5","1") = "6"
    & skf21("7","6","6","4","7","2","6","1") = "6"
    & skf21("7","6","6","4","7","2","7","1") = "6"
    & skf21("7","6","6","4","7","3","1","1") = "6"
    & skf21("7","6","6","4","7","3","2","1") = "6"
    & skf21("7","6","6","4","7","3","3","1") = "6"
    & skf21("7","6","6","4","7","3","4","1") = "6"
    & skf21("7","6","6","4","7","3","5","1") = "6"
    & skf21("7","6","6","4","7","3","6","1") = "6"
    & skf21("7","6","6","4","7","3","7","1") = "6"
    & skf21("7","6","6","4","7","4","1","1") = "6"
    & skf21("7","6","6","4","7","4","2","1") = "6"
    & skf21("7","6","6","4","7","4","3","1") = "6"
    & skf21("7","6","6","4","7","4","4","1") = "6"
    & skf21("7","6","6","4","7","4","5","1") = "6"
    & skf21("7","6","6","4","7","4","6","1") = "6"
    & skf21("7","6","6","4","7","4","7","1") = "6"
    & skf21("7","6","6","4","7","5","1","1") = "6"
    & skf21("7","6","6","4","7","5","2","1") = "6"
    & skf21("7","6","6","4","7","5","3","1") = "6"
    & skf21("7","6","6","4","7","5","4","1") = "6"
    & skf21("7","6","6","4","7","5","5","1") = "6"
    & skf21("7","6","6","4","7","5","6","1") = "6"
    & skf21("7","6","6","4","7","5","7","1") = "6"
    & skf21("7","6","6","4","7","6","1","1") = "6"
    & skf21("7","6","6","4","7","6","2","1") = "6"
    & skf21("7","6","6","4","7","6","3","1") = "6"
    & skf21("7","6","6","4","7","6","4","1") = "6"
    & skf21("7","6","6","4","7","6","5","1") = "6"
    & skf21("7","6","6","4","7","6","6","1") = "6"
    & skf21("7","6","6","4","7","6","7","1") = "6"
    & skf21("7","6","6","4","7","7","1","1") = "6"
    & skf21("7","6","6","4","7","7","2","1") = "6"
    & skf21("7","6","6","4","7","7","3","1") = "6"
    & skf21("7","6","6","4","7","7","4","1") = "6"
    & skf21("7","6","6","4","7","7","5","1") = "6"
    & skf21("7","6","6","4","7","7","6","1") = "6"
    & skf21("7","6","6","4","7","7","7","1") = "6"
    & skf21("7","6","6","5","1","1","1","1") = "6"
    & skf21("7","6","6","5","1","1","2","1") = "6"
    & skf21("7","6","6","5","1","1","3","1") = "6"
    & skf21("7","6","6","5","1","1","4","1") = "6"
    & skf21("7","6","6","5","1","1","5","1") = "6"
    & skf21("7","6","6","5","1","1","6","1") = "6"
    & skf21("7","6","6","5","1","1","7","1") = "6"
    & skf21("7","6","6","5","1","2","1","1") = "6"
    & skf21("7","6","6","5","1","2","2","1") = "6"
    & skf21("7","6","6","5","1","2","3","1") = "6"
    & skf21("7","6","6","5","1","2","4","1") = "6"
    & skf21("7","6","6","5","1","2","5","1") = "6"
    & skf21("7","6","6","5","1","2","6","1") = "6"
    & skf21("7","6","6","5","1","2","7","1") = "6"
    & skf21("7","6","6","5","1","3","1","1") = "6"
    & skf21("7","6","6","5","1","3","2","1") = "6"
    & skf21("7","6","6","5","1","3","3","1") = "6"
    & skf21("7","6","6","5","1","3","4","1") = "6"
    & skf21("7","6","6","5","1","3","5","1") = "6"
    & skf21("7","6","6","5","1","3","6","1") = "6"
    & skf21("7","6","6","5","1","3","7","1") = "6"
    & skf21("7","6","6","5","1","4","1","1") = "6"
    & skf21("7","6","6","5","1","4","2","1") = "6"
    & skf21("7","6","6","5","1","4","3","1") = "6"
    & skf21("7","6","6","5","1","4","4","1") = "6"
    & skf21("7","6","6","5","1","4","5","1") = "6"
    & skf21("7","6","6","5","1","4","6","1") = "6"
    & skf21("7","6","6","5","1","4","7","1") = "6"
    & skf21("7","6","6","5","1","5","1","1") = "6"
    & skf21("7","6","6","5","1","5","2","1") = "6"
    & skf21("7","6","6","5","1","5","3","1") = "6"
    & skf21("7","6","6","5","1","5","4","1") = "6"
    & skf21("7","6","6","5","1","5","5","1") = "6"
    & skf21("7","6","6","5","1","5","6","1") = "6"
    & skf21("7","6","6","5","1","5","7","1") = "6"
    & skf21("7","6","6","5","1","6","1","1") = "6"
    & skf21("7","6","6","5","1","6","2","1") = "6"
    & skf21("7","6","6","5","1","6","3","1") = "6"
    & skf21("7","6","6","5","1","6","4","1") = "6"
    & skf21("7","6","6","5","1","6","5","1") = "6"
    & skf21("7","6","6","5","1","6","6","1") = "6"
    & skf21("7","6","6","5","1","6","7","1") = "6"
    & skf21("7","6","6","5","1","7","1","1") = "6"
    & skf21("7","6","6","5","1","7","2","1") = "6"
    & skf21("7","6","6","5","1","7","3","1") = "6"
    & skf21("7","6","6","5","1","7","4","1") = "6"
    & skf21("7","6","6","5","1","7","5","1") = "6"
    & skf21("7","6","6","5","1","7","6","1") = "6"
    & skf21("7","6","6","5","1","7","7","1") = "6"
    & skf21("7","6","6","5","2","1","1","1") = "6"
    & skf21("7","6","6","5","2","1","2","1") = "6"
    & skf21("7","6","6","5","2","1","3","1") = "6"
    & skf21("7","6","6","5","2","1","4","1") = "6"
    & skf21("7","6","6","5","2","1","5","1") = "6"
    & skf21("7","6","6","5","2","1","6","1") = "6"
    & skf21("7","6","6","5","2","1","7","1") = "6"
    & skf21("7","6","6","5","2","2","1","1") = "6"
    & skf21("7","6","6","5","2","2","2","1") = "6"
    & skf21("7","6","6","5","2","2","3","1") = "6"
    & skf21("7","6","6","5","2","2","4","1") = "6"
    & skf21("7","6","6","5","2","2","5","1") = "6"
    & skf21("7","6","6","5","2","2","6","1") = "6"
    & skf21("7","6","6","5","2","2","7","1") = "6"
    & skf21("7","6","6","5","2","3","1","1") = "6"
    & skf21("7","6","6","5","2","3","2","1") = "6"
    & skf21("7","6","6","5","2","3","3","1") = "6"
    & skf21("7","6","6","5","2","3","4","1") = "6"
    & skf21("7","6","6","5","2","3","5","1") = "6"
    & skf21("7","6","6","5","2","3","6","1") = "6"
    & skf21("7","6","6","5","2","3","7","1") = "6"
    & skf21("7","6","6","5","2","4","1","1") = "6"
    & skf21("7","6","6","5","2","4","2","1") = "6"
    & skf21("7","6","6","5","2","4","3","1") = "6"
    & skf21("7","6","6","5","2","4","4","1") = "6"
    & skf21("7","6","6","5","2","4","5","1") = "6"
    & skf21("7","6","6","5","2","4","6","1") = "6"
    & skf21("7","6","6","5","2","4","7","1") = "6"
    & skf21("7","6","6","5","2","5","1","1") = "6"
    & skf21("7","6","6","5","2","5","2","1") = "6"
    & skf21("7","6","6","5","2","5","3","1") = "6"
    & skf21("7","6","6","5","2","5","4","1") = "6"
    & skf21("7","6","6","5","2","5","5","1") = "6"
    & skf21("7","6","6","5","2","5","6","1") = "6"
    & skf21("7","6","6","5","2","5","7","1") = "6"
    & skf21("7","6","6","5","2","6","1","1") = "6"
    & skf21("7","6","6","5","2","6","2","1") = "6"
    & skf21("7","6","6","5","2","6","3","1") = "6"
    & skf21("7","6","6","5","2","6","4","1") = "6"
    & skf21("7","6","6","5","2","6","5","1") = "6"
    & skf21("7","6","6","5","2","6","6","1") = "6"
    & skf21("7","6","6","5","2","6","7","1") = "6"
    & skf21("7","6","6","5","2","7","1","1") = "6"
    & skf21("7","6","6","5","2","7","2","1") = "6"
    & skf21("7","6","6","5","2","7","3","1") = "6"
    & skf21("7","6","6","5","2","7","4","1") = "6"
    & skf21("7","6","6","5","2","7","5","1") = "6"
    & skf21("7","6","6","5","2","7","6","1") = "6"
    & skf21("7","6","6","5","2","7","7","1") = "6"
    & skf21("7","6","6","5","3","1","1","1") = "6"
    & skf21("7","6","6","5","3","1","2","1") = "6"
    & skf21("7","6","6","5","3","1","3","1") = "6"
    & skf21("7","6","6","5","3","1","4","1") = "6"
    & skf21("7","6","6","5","3","1","5","1") = "6"
    & skf21("7","6","6","5","3","1","6","1") = "6"
    & skf21("7","6","6","5","3","1","7","1") = "6"
    & skf21("7","6","6","5","3","2","1","1") = "6"
    & skf21("7","6","6","5","3","2","2","1") = "6"
    & skf21("7","6","6","5","3","2","3","1") = "6"
    & skf21("7","6","6","5","3","2","4","1") = "6"
    & skf21("7","6","6","5","3","2","5","1") = "6"
    & skf21("7","6","6","5","3","2","6","1") = "6"
    & skf21("7","6","6","5","3","2","7","1") = "6"
    & skf21("7","6","6","5","3","3","1","1") = "6"
    & skf21("7","6","6","5","3","3","2","1") = "6"
    & skf21("7","6","6","5","3","3","3","1") = "6"
    & skf21("7","6","6","5","3","3","4","1") = "6"
    & skf21("7","6","6","5","3","3","5","1") = "6"
    & skf21("7","6","6","5","3","3","6","1") = "6"
    & skf21("7","6","6","5","3","3","7","1") = "6"
    & skf21("7","6","6","5","3","4","1","1") = "6"
    & skf21("7","6","6","5","3","4","2","1") = "6"
    & skf21("7","6","6","5","3","4","3","1") = "6"
    & skf21("7","6","6","5","3","4","4","1") = "6"
    & skf21("7","6","6","5","3","4","5","1") = "6"
    & skf21("7","6","6","5","3","4","6","1") = "6"
    & skf21("7","6","6","5","3","4","7","1") = "6"
    & skf21("7","6","6","5","3","5","1","1") = "6"
    & skf21("7","6","6","5","3","5","2","1") = "6"
    & skf21("7","6","6","5","3","5","3","1") = "6"
    & skf21("7","6","6","5","3","5","4","1") = "6"
    & skf21("7","6","6","5","3","5","5","1") = "6"
    & skf21("7","6","6","5","3","5","6","1") = "6"
    & skf21("7","6","6","5","3","5","7","1") = "6"
    & skf21("7","6","6","5","3","6","1","1") = "6"
    & skf21("7","6","6","5","3","6","2","1") = "6"
    & skf21("7","6","6","5","3","6","3","1") = "6"
    & skf21("7","6","6","5","3","6","4","1") = "6"
    & skf21("7","6","6","5","3","6","5","1") = "6"
    & skf21("7","6","6","5","3","6","6","1") = "6"
    & skf21("7","6","6","5","3","6","7","1") = "6"
    & skf21("7","6","6","5","3","7","1","1") = "6"
    & skf21("7","6","6","5","3","7","2","1") = "6"
    & skf21("7","6","6","5","3","7","3","1") = "6"
    & skf21("7","6","6","5","3","7","4","1") = "6"
    & skf21("7","6","6","5","3","7","5","1") = "6"
    & skf21("7","6","6","5","3","7","6","1") = "6"
    & skf21("7","6","6","5","3","7","7","1") = "6"
    & skf21("7","6","6","5","4","1","1","1") = "6"
    & skf21("7","6","6","5","4","1","2","1") = "6"
    & skf21("7","6","6","5","4","1","3","1") = "6"
    & skf21("7","6","6","5","4","1","4","1") = "6"
    & skf21("7","6","6","5","4","1","5","1") = "6"
    & skf21("7","6","6","5","4","1","6","1") = "6"
    & skf21("7","6","6","5","4","1","7","1") = "6"
    & skf21("7","6","6","5","4","2","1","1") = "6"
    & skf21("7","6","6","5","4","2","2","1") = "6"
    & skf21("7","6","6","5","4","2","3","1") = "6"
    & skf21("7","6","6","5","4","2","4","1") = "6"
    & skf21("7","6","6","5","4","2","5","1") = "6"
    & skf21("7","6","6","5","4","2","6","1") = "6"
    & skf21("7","6","6","5","4","2","7","1") = "6"
    & skf21("7","6","6","5","4","3","1","1") = "6"
    & skf21("7","6","6","5","4","3","2","1") = "6"
    & skf21("7","6","6","5","4","3","3","1") = "6"
    & skf21("7","6","6","5","4","3","4","1") = "6"
    & skf21("7","6","6","5","4","3","5","1") = "6"
    & skf21("7","6","6","5","4","3","6","1") = "6"
    & skf21("7","6","6","5","4","3","7","1") = "6"
    & skf21("7","6","6","5","4","4","1","1") = "6"
    & skf21("7","6","6","5","4","4","2","1") = "6"
    & skf21("7","6","6","5","4","4","3","1") = "6"
    & skf21("7","6","6","5","4","4","4","1") = "6"
    & skf21("7","6","6","5","4","4","5","1") = "6"
    & skf21("7","6","6","5","4","4","6","1") = "6"
    & skf21("7","6","6","5","4","4","7","1") = "6"
    & skf21("7","6","6","5","4","5","1","1") = "6"
    & skf21("7","6","6","5","4","5","2","1") = "6"
    & skf21("7","6","6","5","4","5","3","1") = "6"
    & skf21("7","6","6","5","4","5","4","1") = "6"
    & skf21("7","6","6","5","4","5","5","1") = "6"
    & skf21("7","6","6","5","4","5","6","1") = "6"
    & skf21("7","6","6","5","4","5","7","1") = "6"
    & skf21("7","6","6","5","4","6","1","1") = "6"
    & skf21("7","6","6","5","4","6","2","1") = "6"
    & skf21("7","6","6","5","4","6","3","1") = "6"
    & skf21("7","6","6","5","4","6","4","1") = "6"
    & skf21("7","6","6","5","4","6","5","1") = "6"
    & skf21("7","6","6","5","4","6","6","1") = "6"
    & skf21("7","6","6","5","4","6","7","1") = "6"
    & skf21("7","6","6","5","4","7","1","1") = "6"
    & skf21("7","6","6","5","4","7","2","1") = "6"
    & skf21("7","6","6","5","4","7","3","1") = "6"
    & skf21("7","6","6","5","4","7","4","1") = "6"
    & skf21("7","6","6","5","4","7","5","1") = "6"
    & skf21("7","6","6","5","4","7","6","1") = "6"
    & skf21("7","6","6","5","4","7","7","1") = "6"
    & skf21("7","6","6","5","5","1","1","1") = "6"
    & skf21("7","6","6","5","5","1","2","1") = "6"
    & skf21("7","6","6","5","5","1","3","1") = "6"
    & skf21("7","6","6","5","5","1","4","1") = "6"
    & skf21("7","6","6","5","5","1","5","1") = "6"
    & skf21("7","6","6","5","5","1","6","1") = "6"
    & skf21("7","6","6","5","5","1","7","1") = "6"
    & skf21("7","6","6","5","5","2","1","1") = "6"
    & skf21("7","6","6","5","5","2","2","1") = "6"
    & skf21("7","6","6","5","5","2","3","1") = "6"
    & skf21("7","6","6","5","5","2","4","1") = "6"
    & skf21("7","6","6","5","5","2","5","1") = "6"
    & skf21("7","6","6","5","5","2","6","1") = "6"
    & skf21("7","6","6","5","5","2","7","1") = "6"
    & skf21("7","6","6","5","5","3","1","1") = "6"
    & skf21("7","6","6","5","5","3","2","1") = "6"
    & skf21("7","6","6","5","5","3","3","1") = "6"
    & skf21("7","6","6","5","5","3","4","1") = "6"
    & skf21("7","6","6","5","5","3","5","1") = "6"
    & skf21("7","6","6","5","5","3","6","1") = "6"
    & skf21("7","6","6","5","5","3","7","1") = "6"
    & skf21("7","6","6","5","5","4","1","1") = "6"
    & skf21("7","6","6","5","5","4","2","1") = "6"
    & skf21("7","6","6","5","5","4","3","1") = "6"
    & skf21("7","6","6","5","5","4","4","1") = "6"
    & skf21("7","6","6","5","5","4","5","1") = "6"
    & skf21("7","6","6","5","5","4","6","1") = "6"
    & skf21("7","6","6","5","5","4","7","1") = "6"
    & skf21("7","6","6","5","5","5","1","1") = "6"
    & skf21("7","6","6","5","5","5","2","1") = "6"
    & skf21("7","6","6","5","5","5","3","1") = "6"
    & skf21("7","6","6","5","5","5","4","1") = "6"
    & skf21("7","6","6","5","5","5","5","1") = "6"
    & skf21("7","6","6","5","5","5","6","1") = "6"
    & skf21("7","6","6","5","5","5","7","1") = "6"
    & skf21("7","6","6","5","5","6","1","1") = "6"
    & skf21("7","6","6","5","5","6","2","1") = "6"
    & skf21("7","6","6","5","5","6","3","1") = "6"
    & skf21("7","6","6","5","5","6","4","1") = "6"
    & skf21("7","6","6","5","5","6","5","1") = "6"
    & skf21("7","6","6","5","5","6","6","1") = "6"
    & skf21("7","6","6","5","5","6","7","1") = "6"
    & skf21("7","6","6","5","5","7","1","1") = "6"
    & skf21("7","6","6","5","5","7","2","1") = "6"
    & skf21("7","6","6","5","5","7","3","1") = "6"
    & skf21("7","6","6","5","5","7","4","1") = "6"
    & skf21("7","6","6","5","5","7","5","1") = "6"
    & skf21("7","6","6","5","5","7","6","1") = "6"
    & skf21("7","6","6","5","5","7","7","1") = "6"
    & skf21("7","6","6","5","6","1","1","1") = "6"
    & skf21("7","6","6","5","6","1","2","1") = "6"
    & skf21("7","6","6","5","6","1","3","1") = "6"
    & skf21("7","6","6","5","6","1","4","1") = "6"
    & skf21("7","6","6","5","6","1","5","1") = "6"
    & skf21("7","6","6","5","6","1","6","1") = "6"
    & skf21("7","6","6","5","6","1","7","1") = "6"
    & skf21("7","6","6","5","6","2","1","1") = "6"
    & skf21("7","6","6","5","6","2","2","1") = "6"
    & skf21("7","6","6","5","6","2","3","1") = "6"
    & skf21("7","6","6","5","6","2","4","1") = "6"
    & skf21("7","6","6","5","6","2","5","1") = "6"
    & skf21("7","6","6","5","6","2","6","1") = "6"
    & skf21("7","6","6","5","6","2","7","1") = "6"
    & skf21("7","6","6","5","6","3","1","1") = "6"
    & skf21("7","6","6","5","6","3","2","1") = "6"
    & skf21("7","6","6","5","6","3","3","1") = "6"
    & skf21("7","6","6","5","6","3","4","1") = "6"
    & skf21("7","6","6","5","6","3","5","1") = "6"
    & skf21("7","6","6","5","6","3","6","1") = "6"
    & skf21("7","6","6","5","6","3","7","1") = "6"
    & skf21("7","6","6","5","6","4","1","1") = "6"
    & skf21("7","6","6","5","6","4","2","1") = "6"
    & skf21("7","6","6","5","6","4","3","1") = "6"
    & skf21("7","6","6","5","6","4","4","1") = "6"
    & skf21("7","6","6","5","6","4","5","1") = "6"
    & skf21("7","6","6","5","6","4","6","1") = "6"
    & skf21("7","6","6","5","6","4","7","1") = "6"
    & skf21("7","6","6","5","6","5","1","1") = "6"
    & skf21("7","6","6","5","6","5","2","1") = "6"
    & skf21("7","6","6","5","6","5","3","1") = "6"
    & skf21("7","6","6","5","6","5","4","1") = "6"
    & skf21("7","6","6","5","6","5","5","1") = "6"
    & skf21("7","6","6","5","6","5","6","1") = "6"
    & skf21("7","6","6","5","6","5","7","1") = "6"
    & skf21("7","6","6","5","6","6","1","1") = "6"
    & skf21("7","6","6","5","6","6","2","1") = "6"
    & skf21("7","6","6","5","6","6","3","1") = "6"
    & skf21("7","6","6","5","6","6","4","1") = "6"
    & skf21("7","6","6","5","6","6","5","1") = "6"
    & skf21("7","6","6","5","6","6","6","1") = "6"
    & skf21("7","6","6","5","6","6","7","1") = "6"
    & skf21("7","6","6","5","6","7","1","1") = "6"
    & skf21("7","6","6","5","6","7","2","1") = "6"
    & skf21("7","6","6","5","6","7","3","1") = "6"
    & skf21("7","6","6","5","6","7","4","1") = "6"
    & skf21("7","6","6","5","6","7","5","1") = "6"
    & skf21("7","6","6","5","6","7","6","1") = "6"
    & skf21("7","6","6","5","6","7","7","1") = "6"
    & skf21("7","6","6","5","7","1","1","1") = "6"
    & skf21("7","6","6","5","7","1","2","1") = "6"
    & skf21("7","6","6","5","7","1","3","1") = "6"
    & skf21("7","6","6","5","7","1","4","1") = "6"
    & skf21("7","6","6","5","7","1","5","1") = "6"
    & skf21("7","6","6","5","7","1","6","1") = "6"
    & skf21("7","6","6","5","7","1","7","1") = "6"
    & skf21("7","6","6","5","7","2","1","1") = "6"
    & skf21("7","6","6","5","7","2","2","1") = "6"
    & skf21("7","6","6","5","7","2","3","1") = "6"
    & skf21("7","6","6","5","7","2","4","1") = "6"
    & skf21("7","6","6","5","7","2","5","1") = "6"
    & skf21("7","6","6","5","7","2","6","1") = "6"
    & skf21("7","6","6","5","7","2","7","1") = "6"
    & skf21("7","6","6","5","7","3","1","1") = "6"
    & skf21("7","6","6","5","7","3","2","1") = "6"
    & skf21("7","6","6","5","7","3","3","1") = "6"
    & skf21("7","6","6","5","7","3","4","1") = "6"
    & skf21("7","6","6","5","7","3","5","1") = "6"
    & skf21("7","6","6","5","7","3","6","1") = "6"
    & skf21("7","6","6","5","7","3","7","1") = "6"
    & skf21("7","6","6","5","7","4","1","1") = "6"
    & skf21("7","6","6","5","7","4","2","1") = "6"
    & skf21("7","6","6","5","7","4","3","1") = "6"
    & skf21("7","6","6","5","7","4","4","1") = "6"
    & skf21("7","6","6","5","7","4","5","1") = "6"
    & skf21("7","6","6","5","7","4","6","1") = "6"
    & skf21("7","6","6","5","7","4","7","1") = "6"
    & skf21("7","6","6","5","7","5","1","1") = "6"
    & skf21("7","6","6","5","7","5","2","1") = "6"
    & skf21("7","6","6","5","7","5","3","1") = "6"
    & skf21("7","6","6","5","7","5","4","1") = "6"
    & skf21("7","6","6","5","7","5","5","1") = "6"
    & skf21("7","6","6","5","7","5","6","1") = "6"
    & skf21("7","6","6","5","7","5","7","1") = "6"
    & skf21("7","6","6","5","7","6","1","1") = "6"
    & skf21("7","6","6","5","7","6","2","1") = "6"
    & skf21("7","6","6","5","7","6","3","1") = "6"
    & skf21("7","6","6","5","7","6","4","1") = "6"
    & skf21("7","6","6","5","7","6","5","1") = "6"
    & skf21("7","6","6","5","7","6","6","1") = "6"
    & skf21("7","6","6","5","7","6","7","1") = "6"
    & skf21("7","6","6","5","7","7","1","1") = "6"
    & skf21("7","6","6","5","7","7","2","1") = "6"
    & skf21("7","6","6","5","7","7","3","1") = "6"
    & skf21("7","6","6","5","7","7","4","1") = "6"
    & skf21("7","6","6","5","7","7","5","1") = "6"
    & skf21("7","6","6","5","7","7","6","1") = "6"
    & skf21("7","6","6","5","7","7","7","1") = "6"
    & skf21("7","6","6","6","1","1","1","1") = "6"
    & skf21("7","6","6","6","1","1","2","1") = "6"
    & skf21("7","6","6","6","1","1","3","1") = "6"
    & skf21("7","6","6","6","1","1","4","1") = "6"
    & skf21("7","6","6","6","1","1","5","1") = "6"
    & skf21("7","6","6","6","1","1","6","1") = "6"
    & skf21("7","6","6","6","1","1","7","1") = "6"
    & skf21("7","6","6","6","1","2","1","1") = "6"
    & skf21("7","6","6","6","1","2","2","1") = "6"
    & skf21("7","6","6","6","1","2","3","1") = "6"
    & skf21("7","6","6","6","1","2","4","1") = "6"
    & skf21("7","6","6","6","1","2","5","1") = "6"
    & skf21("7","6","6","6","1","2","6","1") = "6"
    & skf21("7","6","6","6","1","2","7","1") = "6"
    & skf21("7","6","6","6","1","3","1","1") = "6"
    & skf21("7","6","6","6","1","3","2","1") = "6"
    & skf21("7","6","6","6","1","3","3","1") = "6"
    & skf21("7","6","6","6","1","3","4","1") = "6"
    & skf21("7","6","6","6","1","3","5","1") = "6"
    & skf21("7","6","6","6","1","3","6","1") = "6"
    & skf21("7","6","6","6","1","3","7","1") = "6"
    & skf21("7","6","6","6","1","4","1","1") = "6"
    & skf21("7","6","6","6","1","4","2","1") = "6"
    & skf21("7","6","6","6","1","4","3","1") = "6"
    & skf21("7","6","6","6","1","4","4","1") = "6"
    & skf21("7","6","6","6","1","4","5","1") = "6"
    & skf21("7","6","6","6","1","4","6","1") = "6"
    & skf21("7","6","6","6","1","4","7","1") = "6"
    & skf21("7","6","6","6","1","5","1","1") = "6"
    & skf21("7","6","6","6","1","5","2","1") = "6"
    & skf21("7","6","6","6","1","5","3","1") = "6"
    & skf21("7","6","6","6","1","5","4","1") = "6"
    & skf21("7","6","6","6","1","5","5","1") = "6"
    & skf21("7","6","6","6","1","5","6","1") = "6"
    & skf21("7","6","6","6","1","5","7","1") = "6"
    & skf21("7","6","6","6","1","6","1","1") = "6"
    & skf21("7","6","6","6","1","6","2","1") = "6"
    & skf21("7","6","6","6","1","6","3","1") = "6"
    & skf21("7","6","6","6","1","6","4","1") = "6"
    & skf21("7","6","6","6","1","6","5","1") = "6"
    & skf21("7","6","6","6","1","6","6","1") = "6"
    & skf21("7","6","6","6","1","6","7","1") = "6"
    & skf21("7","6","6","6","1","7","1","1") = "6"
    & skf21("7","6","6","6","1","7","2","1") = "6"
    & skf21("7","6","6","6","1","7","3","1") = "6"
    & skf21("7","6","6","6","1","7","4","1") = "6"
    & skf21("7","6","6","6","1","7","5","1") = "6"
    & skf21("7","6","6","6","1","7","6","1") = "6"
    & skf21("7","6","6","6","1","7","7","1") = "6"
    & skf21("7","6","6","6","2","1","1","1") = "6"
    & skf21("7","6","6","6","2","1","2","1") = "6"
    & skf21("7","6","6","6","2","1","3","1") = "6"
    & skf21("7","6","6","6","2","1","4","1") = "6"
    & skf21("7","6","6","6","2","1","5","1") = "6"
    & skf21("7","6","6","6","2","1","6","1") = "6"
    & skf21("7","6","6","6","2","1","7","1") = "6"
    & skf21("7","6","6","6","2","2","1","1") = "6"
    & skf21("7","6","6","6","2","2","2","1") = "6"
    & skf21("7","6","6","6","2","2","3","1") = "6"
    & skf21("7","6","6","6","2","2","4","1") = "6"
    & skf21("7","6","6","6","2","2","5","1") = "6"
    & skf21("7","6","6","6","2","2","6","1") = "6"
    & skf21("7","6","6","6","2","2","7","1") = "6"
    & skf21("7","6","6","6","2","3","1","1") = "6"
    & skf21("7","6","6","6","2","3","2","1") = "6"
    & skf21("7","6","6","6","2","3","3","1") = "6"
    & skf21("7","6","6","6","2","3","4","1") = "6"
    & skf21("7","6","6","6","2","3","5","1") = "6"
    & skf21("7","6","6","6","2","3","6","1") = "6"
    & skf21("7","6","6","6","2","3","7","1") = "6"
    & skf21("7","6","6","6","2","4","1","1") = "6"
    & skf21("7","6","6","6","2","4","2","1") = "6"
    & skf21("7","6","6","6","2","4","3","1") = "6"
    & skf21("7","6","6","6","2","4","4","1") = "6"
    & skf21("7","6","6","6","2","4","5","1") = "6"
    & skf21("7","6","6","6","2","4","6","1") = "6"
    & skf21("7","6","6","6","2","4","7","1") = "6"
    & skf21("7","6","6","6","2","5","1","1") = "6"
    & skf21("7","6","6","6","2","5","2","1") = "6"
    & skf21("7","6","6","6","2","5","3","1") = "6"
    & skf21("7","6","6","6","2","5","4","1") = "6"
    & skf21("7","6","6","6","2","5","5","1") = "6"
    & skf21("7","6","6","6","2","5","6","1") = "6"
    & skf21("7","6","6","6","2","5","7","1") = "6"
    & skf21("7","6","6","6","2","6","1","1") = "6"
    & skf21("7","6","6","6","2","6","2","1") = "6"
    & skf21("7","6","6","6","2","6","3","1") = "6"
    & skf21("7","6","6","6","2","6","4","1") = "6"
    & skf21("7","6","6","6","2","6","5","1") = "6"
    & skf21("7","6","6","6","2","6","6","1") = "6"
    & skf21("7","6","6","6","2","6","7","1") = "6"
    & skf21("7","6","6","6","2","7","1","1") = "6"
    & skf21("7","6","6","6","2","7","2","1") = "6"
    & skf21("7","6","6","6","2","7","3","1") = "6"
    & skf21("7","6","6","6","2","7","4","1") = "6"
    & skf21("7","6","6","6","2","7","5","1") = "6"
    & skf21("7","6","6","6","2","7","6","1") = "6"
    & skf21("7","6","6","6","2","7","7","1") = "6"
    & skf21("7","6","6","6","3","1","1","1") = "6"
    & skf21("7","6","6","6","3","1","2","1") = "6"
    & skf21("7","6","6","6","3","1","3","1") = "6"
    & skf21("7","6","6","6","3","1","4","1") = "6"
    & skf21("7","6","6","6","3","1","5","1") = "6"
    & skf21("7","6","6","6","3","1","6","1") = "6"
    & skf21("7","6","6","6","3","1","7","1") = "6"
    & skf21("7","6","6","6","3","2","1","1") = "6"
    & skf21("7","6","6","6","3","2","2","1") = "6"
    & skf21("7","6","6","6","3","2","3","1") = "6"
    & skf21("7","6","6","6","3","2","4","1") = "6"
    & skf21("7","6","6","6","3","2","5","1") = "6"
    & skf21("7","6","6","6","3","2","6","1") = "6"
    & skf21("7","6","6","6","3","2","7","1") = "6"
    & skf21("7","6","6","6","3","3","1","1") = "6"
    & skf21("7","6","6","6","3","3","2","1") = "6"
    & skf21("7","6","6","6","3","3","3","1") = "6"
    & skf21("7","6","6","6","3","3","4","1") = "6"
    & skf21("7","6","6","6","3","3","5","1") = "6"
    & skf21("7","6","6","6","3","3","6","1") = "6"
    & skf21("7","6","6","6","3","3","7","1") = "6"
    & skf21("7","6","6","6","3","4","1","1") = "6"
    & skf21("7","6","6","6","3","4","2","1") = "6"
    & skf21("7","6","6","6","3","4","3","1") = "6"
    & skf21("7","6","6","6","3","4","4","1") = "6"
    & skf21("7","6","6","6","3","4","5","1") = "6"
    & skf21("7","6","6","6","3","4","6","1") = "6"
    & skf21("7","6","6","6","3","4","7","1") = "6"
    & skf21("7","6","6","6","3","5","1","1") = "6"
    & skf21("7","6","6","6","3","5","2","1") = "6"
    & skf21("7","6","6","6","3","5","3","1") = "6"
    & skf21("7","6","6","6","3","5","4","1") = "6"
    & skf21("7","6","6","6","3","5","5","1") = "6"
    & skf21("7","6","6","6","3","5","6","1") = "6"
    & skf21("7","6","6","6","3","5","7","1") = "6"
    & skf21("7","6","6","6","3","6","1","1") = "6"
    & skf21("7","6","6","6","3","6","2","1") = "6"
    & skf21("7","6","6","6","3","6","3","1") = "6"
    & skf21("7","6","6","6","3","6","4","1") = "6"
    & skf21("7","6","6","6","3","6","5","1") = "6"
    & skf21("7","6","6","6","3","6","6","1") = "6"
    & skf21("7","6","6","6","3","6","7","1") = "6"
    & skf21("7","6","6","6","3","7","1","1") = "6"
    & skf21("7","6","6","6","3","7","2","1") = "6"
    & skf21("7","6","6","6","3","7","3","1") = "6"
    & skf21("7","6","6","6","3","7","4","1") = "6"
    & skf21("7","6","6","6","3","7","5","1") = "6"
    & skf21("7","6","6","6","3","7","6","1") = "6"
    & skf21("7","6","6","6","3","7","7","1") = "6"
    & skf21("7","6","6","6","4","1","1","1") = "6"
    & skf21("7","6","6","6","4","1","2","1") = "6"
    & skf21("7","6","6","6","4","1","3","1") = "6"
    & skf21("7","6","6","6","4","1","4","1") = "6"
    & skf21("7","6","6","6","4","1","5","1") = "6"
    & skf21("7","6","6","6","4","1","6","1") = "6"
    & skf21("7","6","6","6","4","1","7","1") = "6"
    & skf21("7","6","6","6","4","2","1","1") = "6"
    & skf21("7","6","6","6","4","2","2","1") = "6"
    & skf21("7","6","6","6","4","2","3","1") = "6"
    & skf21("7","6","6","6","4","2","4","1") = "6"
    & skf21("7","6","6","6","4","2","5","1") = "6"
    & skf21("7","6","6","6","4","2","6","1") = "6"
    & skf21("7","6","6","6","4","2","7","1") = "6"
    & skf21("7","6","6","6","4","3","1","1") = "6"
    & skf21("7","6","6","6","4","3","2","1") = "6"
    & skf21("7","6","6","6","4","3","3","1") = "6"
    & skf21("7","6","6","6","4","3","4","1") = "6"
    & skf21("7","6","6","6","4","3","5","1") = "6"
    & skf21("7","6","6","6","4","3","6","1") = "6"
    & skf21("7","6","6","6","4","3","7","1") = "6"
    & skf21("7","6","6","6","4","4","1","1") = "6"
    & skf21("7","6","6","6","4","4","2","1") = "6"
    & skf21("7","6","6","6","4","4","3","1") = "6"
    & skf21("7","6","6","6","4","4","4","1") = "6"
    & skf21("7","6","6","6","4","4","5","1") = "6"
    & skf21("7","6","6","6","4","4","6","1") = "6"
    & skf21("7","6","6","6","4","4","7","1") = "6"
    & skf21("7","6","6","6","4","5","1","1") = "6"
    & skf21("7","6","6","6","4","5","2","1") = "6"
    & skf21("7","6","6","6","4","5","3","1") = "6"
    & skf21("7","6","6","6","4","5","4","1") = "6"
    & skf21("7","6","6","6","4","5","5","1") = "6"
    & skf21("7","6","6","6","4","5","6","1") = "6"
    & skf21("7","6","6","6","4","5","7","1") = "6"
    & skf21("7","6","6","6","4","6","1","1") = "6"
    & skf21("7","6","6","6","4","6","2","1") = "6"
    & skf21("7","6","6","6","4","6","3","1") = "6"
    & skf21("7","6","6","6","4","6","4","1") = "6"
    & skf21("7","6","6","6","4","6","5","1") = "6"
    & skf21("7","6","6","6","4","6","6","1") = "6"
    & skf21("7","6","6","6","4","6","7","1") = "6"
    & skf21("7","6","6","6","4","7","1","1") = "6"
    & skf21("7","6","6","6","4","7","2","1") = "6"
    & skf21("7","6","6","6","4","7","3","1") = "6"
    & skf21("7","6","6","6","4","7","4","1") = "6"
    & skf21("7","6","6","6","4","7","5","1") = "6"
    & skf21("7","6","6","6","4","7","6","1") = "6"
    & skf21("7","6","6","6","4","7","7","1") = "6"
    & skf21("7","6","6","6","5","1","1","1") = "6"
    & skf21("7","6","6","6","5","1","2","1") = "6"
    & skf21("7","6","6","6","5","1","3","1") = "6"
    & skf21("7","6","6","6","5","1","4","1") = "6"
    & skf21("7","6","6","6","5","1","5","1") = "6"
    & skf21("7","6","6","6","5","1","6","1") = "6"
    & skf21("7","6","6","6","5","1","7","1") = "6"
    & skf21("7","6","6","6","5","2","1","1") = "6"
    & skf21("7","6","6","6","5","2","2","1") = "6"
    & skf21("7","6","6","6","5","2","3","1") = "6"
    & skf21("7","6","6","6","5","2","4","1") = "6"
    & skf21("7","6","6","6","5","2","5","1") = "6"
    & skf21("7","6","6","6","5","2","6","1") = "6"
    & skf21("7","6","6","6","5","2","7","1") = "6"
    & skf21("7","6","6","6","5","3","1","1") = "6"
    & skf21("7","6","6","6","5","3","2","1") = "6"
    & skf21("7","6","6","6","5","3","3","1") = "6"
    & skf21("7","6","6","6","5","3","4","1") = "6"
    & skf21("7","6","6","6","5","3","5","1") = "6"
    & skf21("7","6","6","6","5","3","6","1") = "6"
    & skf21("7","6","6","6","5","3","7","1") = "6"
    & skf21("7","6","6","6","5","4","1","1") = "6"
    & skf21("7","6","6","6","5","4","2","1") = "6"
    & skf21("7","6","6","6","5","4","3","1") = "6"
    & skf21("7","6","6","6","5","4","4","1") = "6"
    & skf21("7","6","6","6","5","4","5","1") = "6"
    & skf21("7","6","6","6","5","4","6","1") = "6"
    & skf21("7","6","6","6","5","4","7","1") = "6"
    & skf21("7","6","6","6","5","5","1","1") = "6"
    & skf21("7","6","6","6","5","5","2","1") = "6"
    & skf21("7","6","6","6","5","5","3","1") = "6"
    & skf21("7","6","6","6","5","5","4","1") = "6"
    & skf21("7","6","6","6","5","5","5","1") = "6"
    & skf21("7","6","6","6","5","5","6","1") = "6"
    & skf21("7","6","6","6","5","5","7","1") = "6"
    & skf21("7","6","6","6","5","6","1","1") = "6"
    & skf21("7","6","6","6","5","6","2","1") = "6"
    & skf21("7","6","6","6","5","6","3","1") = "6"
    & skf21("7","6","6","6","5","6","4","1") = "6"
    & skf21("7","6","6","6","5","6","5","1") = "6"
    & skf21("7","6","6","6","5","6","6","1") = "6"
    & skf21("7","6","6","6","5","6","7","1") = "6"
    & skf21("7","6","6","6","5","7","1","1") = "6"
    & skf21("7","6","6","6","5","7","2","1") = "6"
    & skf21("7","6","6","6","5","7","3","1") = "6"
    & skf21("7","6","6","6","5","7","4","1") = "6"
    & skf21("7","6","6","6","5","7","5","1") = "6"
    & skf21("7","6","6","6","5","7","6","1") = "6"
    & skf21("7","6","6","6","5","7","7","1") = "6"
    & skf21("7","6","6","6","6","1","1","1") = "6"
    & skf21("7","6","6","6","6","1","2","1") = "6"
    & skf21("7","6","6","6","6","1","3","1") = "6"
    & skf21("7","6","6","6","6","1","4","1") = "6"
    & skf21("7","6","6","6","6","1","5","1") = "6"
    & skf21("7","6","6","6","6","1","6","1") = "6"
    & skf21("7","6","6","6","6","1","7","1") = "6"
    & skf21("7","6","6","6","6","2","1","1") = "6"
    & skf21("7","6","6","6","6","2","2","1") = "6"
    & skf21("7","6","6","6","6","2","3","1") = "6"
    & skf21("7","6","6","6","6","2","4","1") = "6"
    & skf21("7","6","6","6","6","2","5","1") = "6"
    & skf21("7","6","6","6","6","2","6","1") = "6"
    & skf21("7","6","6","6","6","2","7","1") = "6"
    & skf21("7","6","6","6","6","3","1","1") = "6"
    & skf21("7","6","6","6","6","3","2","1") = "6"
    & skf21("7","6","6","6","6","3","3","1") = "6"
    & skf21("7","6","6","6","6","3","4","1") = "6"
    & skf21("7","6","6","6","6","3","5","1") = "6"
    & skf21("7","6","6","6","6","3","6","1") = "6"
    & skf21("7","6","6","6","6","3","7","1") = "6"
    & skf21("7","6","6","6","6","4","1","1") = "6"
    & skf21("7","6","6","6","6","4","2","1") = "6"
    & skf21("7","6","6","6","6","4","3","1") = "6"
    & skf21("7","6","6","6","6","4","4","1") = "6"
    & skf21("7","6","6","6","6","4","5","1") = "6"
    & skf21("7","6","6","6","6","4","6","1") = "6"
    & skf21("7","6","6","6","6","4","7","1") = "6"
    & skf21("7","6","6","6","6","5","1","1") = "6"
    & skf21("7","6","6","6","6","5","2","1") = "6"
    & skf21("7","6","6","6","6","5","3","1") = "6"
    & skf21("7","6","6","6","6","5","4","1") = "6"
    & skf21("7","6","6","6","6","5","5","1") = "6"
    & skf21("7","6","6","6","6","5","6","1") = "6"
    & skf21("7","6","6","6","6","5","7","1") = "6"
    & skf21("7","6","6","6","6","6","1","1") = "6"
    & skf21("7","6","6","6","6","6","2","1") = "6"
    & skf21("7","6","6","6","6","6","3","1") = "6"
    & skf21("7","6","6","6","6","6","4","1") = "6"
    & skf21("7","6","6","6","6","6","5","1") = "6"
    & skf21("7","6","6","6","6","6","6","1") = "6"
    & skf21("7","6","6","6","6","6","7","1") = "6"
    & skf21("7","6","6","6","6","7","1","1") = "6"
    & skf21("7","6","6","6","6","7","2","1") = "6"
    & skf21("7","6","6","6","6","7","3","1") = "6"
    & skf21("7","6","6","6","6","7","4","1") = "6"
    & skf21("7","6","6","6","6","7","5","1") = "6"
    & skf21("7","6","6","6","6","7","6","1") = "6"
    & skf21("7","6","6","6","6","7","7","1") = "6"
    & skf21("7","6","6","6","7","1","1","1") = "6"
    & skf21("7","6","6","6","7","1","2","1") = "6"
    & skf21("7","6","6","6","7","1","3","1") = "6"
    & skf21("7","6","6","6","7","1","4","1") = "6"
    & skf21("7","6","6","6","7","1","5","1") = "6"
    & skf21("7","6","6","6","7","1","6","1") = "6"
    & skf21("7","6","6","6","7","1","7","1") = "6"
    & skf21("7","6","6","6","7","2","1","1") = "6"
    & skf21("7","6","6","6","7","2","2","1") = "6"
    & skf21("7","6","6","6","7","2","3","1") = "6"
    & skf21("7","6","6","6","7","2","4","1") = "6"
    & skf21("7","6","6","6","7","2","5","1") = "6"
    & skf21("7","6","6","6","7","2","6","1") = "6"
    & skf21("7","6","6","6","7","2","7","1") = "6"
    & skf21("7","6","6","6","7","3","1","1") = "6"
    & skf21("7","6","6","6","7","3","2","1") = "6"
    & skf21("7","6","6","6","7","3","3","1") = "6"
    & skf21("7","6","6","6","7","3","4","1") = "6"
    & skf21("7","6","6","6","7","3","5","1") = "6"
    & skf21("7","6","6","6","7","3","6","1") = "6"
    & skf21("7","6","6","6","7","3","7","1") = "6"
    & skf21("7","6","6","6","7","4","1","1") = "6"
    & skf21("7","6","6","6","7","4","2","1") = "6"
    & skf21("7","6","6","6","7","4","3","1") = "6"
    & skf21("7","6","6","6","7","4","4","1") = "6"
    & skf21("7","6","6","6","7","4","5","1") = "6"
    & skf21("7","6","6","6","7","4","6","1") = "6"
    & skf21("7","6","6","6","7","4","7","1") = "6"
    & skf21("7","6","6","6","7","5","1","1") = "6"
    & skf21("7","6","6","6","7","5","2","1") = "6"
    & skf21("7","6","6","6","7","5","3","1") = "6"
    & skf21("7","6","6","6","7","5","4","1") = "6"
    & skf21("7","6","6","6","7","5","5","1") = "6"
    & skf21("7","6","6","6","7","5","6","1") = "6"
    & skf21("7","6","6","6","7","5","7","1") = "6"
    & skf21("7","6","6","6","7","6","1","1") = "6"
    & skf21("7","6","6","6","7","6","2","1") = "6"
    & skf21("7","6","6","6","7","6","3","1") = "6"
    & skf21("7","6","6","6","7","6","4","1") = "6"
    & skf21("7","6","6","6","7","6","5","1") = "6"
    & skf21("7","6","6","6","7","6","6","1") = "6"
    & skf21("7","6","6","6","7","6","7","1") = "6"
    & skf21("7","6","6","6","7","7","1","1") = "6"
    & skf21("7","6","6","6","7","7","2","1") = "6"
    & skf21("7","6","6","6","7","7","3","1") = "6"
    & skf21("7","6","6","6","7","7","4","1") = "6"
    & skf21("7","6","6","6","7","7","5","1") = "6"
    & skf21("7","6","6","6","7","7","6","1") = "6"
    & skf21("7","6","6","6","7","7","7","1") = "6"
    & skf21("7","6","6","7","1","1","1","1") = "6"
    & skf21("7","6","6","7","1","1","2","1") = "6"
    & skf21("7","6","6","7","1","1","3","1") = "6"
    & skf21("7","6","6","7","1","1","4","1") = "6"
    & skf21("7","6","6","7","1","1","5","1") = "6"
    & skf21("7","6","6","7","1","1","6","1") = "6"
    & skf21("7","6","6","7","1","1","7","1") = "6"
    & skf21("7","6","6","7","1","2","1","1") = "6"
    & skf21("7","6","6","7","1","2","2","1") = "6"
    & skf21("7","6","6","7","1","2","3","1") = "6"
    & skf21("7","6","6","7","1","2","4","1") = "6"
    & skf21("7","6","6","7","1","2","5","1") = "6"
    & skf21("7","6","6","7","1","2","6","1") = "6"
    & skf21("7","6","6","7","1","2","7","1") = "6"
    & skf21("7","6","6","7","1","3","1","1") = "6"
    & skf21("7","6","6","7","1","3","2","1") = "6"
    & skf21("7","6","6","7","1","3","3","1") = "6"
    & skf21("7","6","6","7","1","3","4","1") = "6"
    & skf21("7","6","6","7","1","3","5","1") = "6"
    & skf21("7","6","6","7","1","3","6","1") = "6"
    & skf21("7","6","6","7","1","3","7","1") = "6"
    & skf21("7","6","6","7","1","4","1","1") = "6"
    & skf21("7","6","6","7","1","4","2","1") = "6"
    & skf21("7","6","6","7","1","4","3","1") = "6"
    & skf21("7","6","6","7","1","4","4","1") = "6"
    & skf21("7","6","6","7","1","4","5","1") = "6"
    & skf21("7","6","6","7","1","4","6","1") = "6"
    & skf21("7","6","6","7","1","4","7","1") = "6"
    & skf21("7","6","6","7","1","5","1","1") = "6"
    & skf21("7","6","6","7","1","5","2","1") = "6"
    & skf21("7","6","6","7","1","5","3","1") = "6"
    & skf21("7","6","6","7","1","5","4","1") = "6"
    & skf21("7","6","6","7","1","5","5","1") = "6"
    & skf21("7","6","6","7","1","5","6","1") = "6"
    & skf21("7","6","6","7","1","5","7","1") = "6"
    & skf21("7","6","6","7","1","6","1","1") = "6"
    & skf21("7","6","6","7","1","6","2","1") = "6"
    & skf21("7","6","6","7","1","6","3","1") = "6"
    & skf21("7","6","6","7","1","6","4","1") = "6"
    & skf21("7","6","6","7","1","6","5","1") = "6"
    & skf21("7","6","6","7","1","6","6","1") = "6"
    & skf21("7","6","6","7","1","6","7","1") = "6"
    & skf21("7","6","6","7","1","7","1","1") = "6"
    & skf21("7","6","6","7","1","7","2","1") = "6"
    & skf21("7","6","6","7","1","7","3","1") = "6"
    & skf21("7","6","6","7","1","7","4","1") = "6"
    & skf21("7","6","6","7","1","7","5","1") = "6"
    & skf21("7","6","6","7","1","7","6","1") = "6"
    & skf21("7","6","6","7","1","7","7","1") = "6"
    & skf21("7","6","6","7","2","1","1","1") = "6"
    & skf21("7","6","6","7","2","1","2","1") = "6"
    & skf21("7","6","6","7","2","1","3","1") = "6"
    & skf21("7","6","6","7","2","1","4","1") = "6"
    & skf21("7","6","6","7","2","1","5","1") = "6"
    & skf21("7","6","6","7","2","1","6","1") = "6"
    & skf21("7","6","6","7","2","1","7","1") = "6"
    & skf21("7","6","6","7","2","2","1","1") = "6"
    & skf21("7","6","6","7","2","2","2","1") = "6"
    & skf21("7","6","6","7","2","2","3","1") = "6"
    & skf21("7","6","6","7","2","2","4","1") = "6"
    & skf21("7","6","6","7","2","2","5","1") = "6"
    & skf21("7","6","6","7","2","2","6","1") = "6"
    & skf21("7","6","6","7","2","2","7","1") = "6"
    & skf21("7","6","6","7","2","3","1","1") = "6"
    & skf21("7","6","6","7","2","3","2","1") = "6"
    & skf21("7","6","6","7","2","3","3","1") = "6"
    & skf21("7","6","6","7","2","3","4","1") = "6"
    & skf21("7","6","6","7","2","3","5","1") = "6"
    & skf21("7","6","6","7","2","3","6","1") = "6"
    & skf21("7","6","6","7","2","3","7","1") = "6"
    & skf21("7","6","6","7","2","4","1","1") = "6"
    & skf21("7","6","6","7","2","4","2","1") = "6"
    & skf21("7","6","6","7","2","4","3","1") = "6"
    & skf21("7","6","6","7","2","4","4","1") = "6"
    & skf21("7","6","6","7","2","4","5","1") = "6"
    & skf21("7","6","6","7","2","4","6","1") = "6"
    & skf21("7","6","6","7","2","4","7","1") = "6"
    & skf21("7","6","6","7","2","5","1","1") = "6"
    & skf21("7","6","6","7","2","5","2","1") = "6"
    & skf21("7","6","6","7","2","5","3","1") = "6"
    & skf21("7","6","6","7","2","5","4","1") = "6"
    & skf21("7","6","6","7","2","5","5","1") = "6"
    & skf21("7","6","6","7","2","5","6","1") = "6"
    & skf21("7","6","6","7","2","5","7","1") = "6"
    & skf21("7","6","6","7","2","6","1","1") = "6"
    & skf21("7","6","6","7","2","6","2","1") = "6"
    & skf21("7","6","6","7","2","6","3","1") = "6"
    & skf21("7","6","6","7","2","6","4","1") = "6"
    & skf21("7","6","6","7","2","6","5","1") = "6"
    & skf21("7","6","6","7","2","6","6","1") = "6"
    & skf21("7","6","6","7","2","6","7","1") = "6"
    & skf21("7","6","6","7","2","7","1","1") = "6"
    & skf21("7","6","6","7","2","7","2","1") = "6"
    & skf21("7","6","6","7","2","7","3","1") = "6"
    & skf21("7","6","6","7","2","7","4","1") = "6"
    & skf21("7","6","6","7","2","7","5","1") = "6"
    & skf21("7","6","6","7","2","7","6","1") = "6"
    & skf21("7","6","6","7","2","7","7","1") = "6"
    & skf21("7","6","6","7","3","1","1","1") = "6"
    & skf21("7","6","6","7","3","1","2","1") = "6"
    & skf21("7","6","6","7","3","1","3","1") = "6"
    & skf21("7","6","6","7","3","1","4","1") = "6"
    & skf21("7","6","6","7","3","1","5","1") = "6"
    & skf21("7","6","6","7","3","1","6","1") = "6"
    & skf21("7","6","6","7","3","1","7","1") = "6"
    & skf21("7","6","6","7","3","2","1","1") = "6"
    & skf21("7","6","6","7","3","2","2","1") = "6"
    & skf21("7","6","6","7","3","2","3","1") = "6"
    & skf21("7","6","6","7","3","2","4","1") = "6"
    & skf21("7","6","6","7","3","2","5","1") = "6"
    & skf21("7","6","6","7","3","2","6","1") = "6"
    & skf21("7","6","6","7","3","2","7","1") = "6"
    & skf21("7","6","6","7","3","3","1","1") = "6"
    & skf21("7","6","6","7","3","3","2","1") = "6"
    & skf21("7","6","6","7","3","3","3","1") = "6"
    & skf21("7","6","6","7","3","3","4","1") = "6"
    & skf21("7","6","6","7","3","3","5","1") = "6"
    & skf21("7","6","6","7","3","3","6","1") = "6"
    & skf21("7","6","6","7","3","3","7","1") = "6"
    & skf21("7","6","6","7","3","4","1","1") = "6"
    & skf21("7","6","6","7","3","4","2","1") = "6"
    & skf21("7","6","6","7","3","4","3","1") = "6"
    & skf21("7","6","6","7","3","4","4","1") = "6"
    & skf21("7","6","6","7","3","4","5","1") = "6"
    & skf21("7","6","6","7","3","4","6","1") = "6"
    & skf21("7","6","6","7","3","4","7","1") = "6"
    & skf21("7","6","6","7","3","5","1","1") = "6"
    & skf21("7","6","6","7","3","5","2","1") = "6"
    & skf21("7","6","6","7","3","5","3","1") = "6"
    & skf21("7","6","6","7","3","5","4","1") = "6"
    & skf21("7","6","6","7","3","5","5","1") = "6"
    & skf21("7","6","6","7","3","5","6","1") = "6"
    & skf21("7","6","6","7","3","5","7","1") = "6"
    & skf21("7","6","6","7","3","6","1","1") = "6"
    & skf21("7","6","6","7","3","6","2","1") = "6"
    & skf21("7","6","6","7","3","6","3","1") = "6"
    & skf21("7","6","6","7","3","6","4","1") = "6"
    & skf21("7","6","6","7","3","6","5","1") = "6"
    & skf21("7","6","6","7","3","6","6","1") = "6"
    & skf21("7","6","6","7","3","6","7","1") = "6"
    & skf21("7","6","6","7","3","7","1","1") = "6"
    & skf21("7","6","6","7","3","7","2","1") = "6"
    & skf21("7","6","6","7","3","7","3","1") = "6"
    & skf21("7","6","6","7","3","7","4","1") = "6"
    & skf21("7","6","6","7","3","7","5","1") = "6"
    & skf21("7","6","6","7","3","7","6","1") = "6"
    & skf21("7","6","6","7","3","7","7","1") = "6"
    & skf21("7","6","6","7","4","1","1","1") = "6"
    & skf21("7","6","6","7","4","1","2","1") = "6"
    & skf21("7","6","6","7","4","1","3","1") = "6"
    & skf21("7","6","6","7","4","1","4","1") = "6"
    & skf21("7","6","6","7","4","1","5","1") = "6"
    & skf21("7","6","6","7","4","1","6","1") = "6"
    & skf21("7","6","6","7","4","1","7","1") = "6"
    & skf21("7","6","6","7","4","2","1","1") = "6"
    & skf21("7","6","6","7","4","2","2","1") = "6"
    & skf21("7","6","6","7","4","2","3","1") = "6"
    & skf21("7","6","6","7","4","2","4","1") = "6"
    & skf21("7","6","6","7","4","2","5","1") = "6"
    & skf21("7","6","6","7","4","2","6","1") = "6"
    & skf21("7","6","6","7","4","2","7","1") = "6"
    & skf21("7","6","6","7","4","3","1","1") = "6"
    & skf21("7","6","6","7","4","3","2","1") = "6"
    & skf21("7","6","6","7","4","3","3","1") = "6"
    & skf21("7","6","6","7","4","3","4","1") = "6"
    & skf21("7","6","6","7","4","3","5","1") = "6"
    & skf21("7","6","6","7","4","3","6","1") = "6"
    & skf21("7","6","6","7","4","3","7","1") = "6"
    & skf21("7","6","6","7","4","4","1","1") = "6"
    & skf21("7","6","6","7","4","4","2","1") = "6"
    & skf21("7","6","6","7","4","4","3","1") = "6"
    & skf21("7","6","6","7","4","4","4","1") = "6"
    & skf21("7","6","6","7","4","4","5","1") = "6"
    & skf21("7","6","6","7","4","4","6","1") = "6"
    & skf21("7","6","6","7","4","4","7","1") = "6"
    & skf21("7","6","6","7","4","5","1","1") = "6"
    & skf21("7","6","6","7","4","5","2","1") = "6"
    & skf21("7","6","6","7","4","5","3","1") = "6"
    & skf21("7","6","6","7","4","5","4","1") = "6"
    & skf21("7","6","6","7","4","5","5","1") = "6"
    & skf21("7","6","6","7","4","5","6","1") = "6"
    & skf21("7","6","6","7","4","5","7","1") = "6"
    & skf21("7","6","6","7","4","6","1","1") = "6"
    & skf21("7","6","6","7","4","6","2","1") = "6"
    & skf21("7","6","6","7","4","6","3","1") = "6"
    & skf21("7","6","6","7","4","6","4","1") = "6"
    & skf21("7","6","6","7","4","6","5","1") = "6"
    & skf21("7","6","6","7","4","6","6","1") = "6"
    & skf21("7","6","6","7","4","6","7","1") = "6"
    & skf21("7","6","6","7","4","7","1","1") = "6"
    & skf21("7","6","6","7","4","7","2","1") = "6"
    & skf21("7","6","6","7","4","7","3","1") = "6"
    & skf21("7","6","6","7","4","7","4","1") = "6"
    & skf21("7","6","6","7","4","7","5","1") = "6"
    & skf21("7","6","6","7","4","7","6","1") = "6"
    & skf21("7","6","6","7","4","7","7","1") = "6"
    & skf21("7","6","6","7","5","1","1","1") = "6"
    & skf21("7","6","6","7","5","1","2","1") = "6"
    & skf21("7","6","6","7","5","1","3","1") = "6"
    & skf21("7","6","6","7","5","1","4","1") = "6"
    & skf21("7","6","6","7","5","1","5","1") = "6"
    & skf21("7","6","6","7","5","1","6","1") = "6"
    & skf21("7","6","6","7","5","1","7","1") = "6"
    & skf21("7","6","6","7","5","2","1","1") = "6"
    & skf21("7","6","6","7","5","2","2","1") = "6"
    & skf21("7","6","6","7","5","2","3","1") = "6"
    & skf21("7","6","6","7","5","2","4","1") = "6"
    & skf21("7","6","6","7","5","2","5","1") = "6"
    & skf21("7","6","6","7","5","2","6","1") = "6"
    & skf21("7","6","6","7","5","2","7","1") = "6"
    & skf21("7","6","6","7","5","3","1","1") = "6"
    & skf21("7","6","6","7","5","3","2","1") = "6"
    & skf21("7","6","6","7","5","3","3","1") = "6"
    & skf21("7","6","6","7","5","3","4","1") = "6"
    & skf21("7","6","6","7","5","3","5","1") = "6"
    & skf21("7","6","6","7","5","3","6","1") = "6"
    & skf21("7","6","6","7","5","3","7","1") = "6"
    & skf21("7","6","6","7","5","4","1","1") = "6"
    & skf21("7","6","6","7","5","4","2","1") = "6"
    & skf21("7","6","6","7","5","4","3","1") = "6"
    & skf21("7","6","6","7","5","4","4","1") = "6"
    & skf21("7","6","6","7","5","4","5","1") = "6"
    & skf21("7","6","6","7","5","4","6","1") = "6"
    & skf21("7","6","6","7","5","4","7","1") = "6"
    & skf21("7","6","6","7","5","5","1","1") = "6"
    & skf21("7","6","6","7","5","5","2","1") = "6"
    & skf21("7","6","6","7","5","5","3","1") = "6"
    & skf21("7","6","6","7","5","5","4","1") = "6"
    & skf21("7","6","6","7","5","5","5","1") = "6"
    & skf21("7","6","6","7","5","5","6","1") = "6"
    & skf21("7","6","6","7","5","5","7","1") = "6"
    & skf21("7","6","6","7","5","6","1","1") = "6"
    & skf21("7","6","6","7","5","6","2","1") = "6"
    & skf21("7","6","6","7","5","6","3","1") = "6"
    & skf21("7","6","6","7","5","6","4","1") = "6"
    & skf21("7","6","6","7","5","6","5","1") = "6"
    & skf21("7","6","6","7","5","6","6","1") = "6"
    & skf21("7","6","6","7","5","6","7","1") = "6"
    & skf21("7","6","6","7","5","7","1","1") = "6"
    & skf21("7","6","6","7","5","7","2","1") = "6"
    & skf21("7","6","6","7","5","7","3","1") = "6"
    & skf21("7","6","6","7","5","7","4","1") = "6"
    & skf21("7","6","6","7","5","7","5","1") = "6"
    & skf21("7","6","6","7","5","7","6","1") = "6"
    & skf21("7","6","6","7","5","7","7","1") = "6"
    & skf21("7","6","6","7","6","1","1","1") = "6"
    & skf21("7","6","6","7","6","1","2","1") = "6"
    & skf21("7","6","6","7","6","1","3","1") = "6"
    & skf21("7","6","6","7","6","1","4","1") = "6"
    & skf21("7","6","6","7","6","1","5","1") = "6"
    & skf21("7","6","6","7","6","1","6","1") = "6"
    & skf21("7","6","6","7","6","1","7","1") = "6"
    & skf21("7","6","6","7","6","2","1","1") = "6"
    & skf21("7","6","6","7","6","2","2","1") = "6"
    & skf21("7","6","6","7","6","2","3","1") = "6"
    & skf21("7","6","6","7","6","2","4","1") = "6"
    & skf21("7","6","6","7","6","2","5","1") = "6"
    & skf21("7","6","6","7","6","2","6","1") = "6"
    & skf21("7","6","6","7","6","2","7","1") = "6"
    & skf21("7","6","6","7","6","3","1","1") = "6"
    & skf21("7","6","6","7","6","3","2","1") = "6"
    & skf21("7","6","6","7","6","3","3","1") = "6"
    & skf21("7","6","6","7","6","3","4","1") = "6"
    & skf21("7","6","6","7","6","3","5","1") = "6"
    & skf21("7","6","6","7","6","3","6","1") = "6"
    & skf21("7","6","6","7","6","3","7","1") = "6"
    & skf21("7","6","6","7","6","4","1","1") = "6"
    & skf21("7","6","6","7","6","4","2","1") = "6"
    & skf21("7","6","6","7","6","4","3","1") = "6"
    & skf21("7","6","6","7","6","4","4","1") = "6"
    & skf21("7","6","6","7","6","4","5","1") = "6"
    & skf21("7","6","6","7","6","4","6","1") = "6"
    & skf21("7","6","6","7","6","4","7","1") = "6"
    & skf21("7","6","6","7","6","5","1","1") = "6"
    & skf21("7","6","6","7","6","5","2","1") = "6"
    & skf21("7","6","6","7","6","5","3","1") = "6"
    & skf21("7","6","6","7","6","5","4","1") = "6"
    & skf21("7","6","6","7","6","5","5","1") = "6"
    & skf21("7","6","6","7","6","5","6","1") = "6"
    & skf21("7","6","6","7","6","5","7","1") = "6"
    & skf21("7","6","6","7","6","6","1","1") = "6"
    & skf21("7","6","6","7","6","6","2","1") = "6"
    & skf21("7","6","6","7","6","6","3","1") = "6"
    & skf21("7","6","6","7","6","6","4","1") = "6"
    & skf21("7","6","6","7","6","6","5","1") = "6"
    & skf21("7","6","6","7","6","6","6","1") = "6"
    & skf21("7","6","6","7","6","6","7","1") = "6"
    & skf21("7","6","6","7","6","7","1","1") = "6"
    & skf21("7","6","6","7","6","7","2","1") = "6"
    & skf21("7","6","6","7","6","7","3","1") = "6"
    & skf21("7","6","6","7","6","7","4","1") = "6"
    & skf21("7","6","6","7","6","7","5","1") = "6"
    & skf21("7","6","6","7","6","7","6","1") = "6"
    & skf21("7","6","6","7","6","7","7","1") = "6"
    & skf21("7","6","6","7","7","1","1","1") = "6"
    & skf21("7","6","6","7","7","1","2","1") = "6"
    & skf21("7","6","6","7","7","1","3","1") = "6"
    & skf21("7","6","6","7","7","1","4","1") = "6"
    & skf21("7","6","6","7","7","1","5","1") = "6"
    & skf21("7","6","6","7","7","1","6","1") = "6"
    & skf21("7","6","6","7","7","1","7","1") = "6"
    & skf21("7","6","6","7","7","2","1","1") = "6"
    & skf21("7","6","6","7","7","2","2","1") = "6"
    & skf21("7","6","6","7","7","2","3","1") = "6"
    & skf21("7","6","6","7","7","2","4","1") = "6"
    & skf21("7","6","6","7","7","2","5","1") = "6"
    & skf21("7","6","6","7","7","2","6","1") = "6"
    & skf21("7","6","6","7","7","2","7","1") = "6"
    & skf21("7","6","6","7","7","3","1","1") = "6"
    & skf21("7","6","6","7","7","3","2","1") = "6"
    & skf21("7","6","6","7","7","3","3","1") = "6"
    & skf21("7","6","6","7","7","3","4","1") = "6"
    & skf21("7","6","6","7","7","3","5","1") = "6"
    & skf21("7","6","6","7","7","3","6","1") = "6"
    & skf21("7","6","6","7","7","3","7","1") = "6"
    & skf21("7","6","6","7","7","4","1","1") = "6"
    & skf21("7","6","6","7","7","4","2","1") = "6"
    & skf21("7","6","6","7","7","4","3","1") = "6"
    & skf21("7","6","6","7","7","4","4","1") = "6"
    & skf21("7","6","6","7","7","4","5","1") = "6"
    & skf21("7","6","6","7","7","4","6","1") = "6"
    & skf21("7","6","6","7","7","4","7","1") = "6"
    & skf21("7","6","6","7","7","5","1","1") = "6"
    & skf21("7","6","6","7","7","5","2","1") = "6"
    & skf21("7","6","6","7","7","5","3","1") = "6"
    & skf21("7","6","6","7","7","5","4","1") = "6"
    & skf21("7","6","6","7","7","5","5","1") = "6"
    & skf21("7","6","6","7","7","5","6","1") = "6"
    & skf21("7","6","6","7","7","5","7","1") = "6"
    & skf21("7","6","6","7","7","6","1","1") = "6"
    & skf21("7","6","6","7","7","6","2","1") = "6"
    & skf21("7","6","6","7","7","6","3","1") = "6"
    & skf21("7","6","6","7","7","6","4","1") = "6"
    & skf21("7","6","6","7","7","6","5","1") = "6"
    & skf21("7","6","6","7","7","6","6","1") = "6"
    & skf21("7","6","6","7","7","6","7","1") = "6"
    & skf21("7","6","6","7","7","7","1","1") = "6"
    & skf21("7","6","6","7","7","7","2","1") = "6"
    & skf21("7","6","6","7","7","7","3","1") = "6"
    & skf21("7","6","6","7","7","7","4","1") = "6"
    & skf21("7","6","6","7","7","7","5","1") = "6"
    & skf21("7","6","6","7","7","7","6","1") = "6"
    & skf21("7","6","6","7","7","7","7","1") = "6"
    & skf21("7","6","7","1","1","1","1","1") = "6"
    & skf21("7","6","7","1","1","1","2","1") = "6"
    & skf21("7","6","7","1","1","1","3","1") = "6"
    & skf21("7","6","7","1","1","1","4","1") = "6"
    & skf21("7","6","7","1","1","1","5","1") = "6"
    & skf21("7","6","7","1","1","1","6","1") = "6"
    & skf21("7","6","7","1","1","1","7","1") = "6"
    & skf21("7","6","7","1","1","2","1","1") = "6"
    & skf21("7","6","7","1","1","2","2","1") = "6"
    & skf21("7","6","7","1","1","2","3","1") = "6"
    & skf21("7","6","7","1","1","2","4","1") = "6"
    & skf21("7","6","7","1","1","2","5","1") = "6"
    & skf21("7","6","7","1","1","2","6","1") = "6"
    & skf21("7","6","7","1","1","2","7","1") = "6"
    & skf21("7","6","7","1","1","3","1","1") = "6"
    & skf21("7","6","7","1","1","3","2","1") = "6"
    & skf21("7","6","7","1","1","3","3","1") = "6"
    & skf21("7","6","7","1","1","3","4","1") = "6"
    & skf21("7","6","7","1","1","3","5","1") = "6"
    & skf21("7","6","7","1","1","3","6","1") = "6"
    & skf21("7","6","7","1","1","3","7","1") = "6"
    & skf21("7","6","7","1","1","4","1","1") = "6"
    & skf21("7","6","7","1","1","4","2","1") = "6"
    & skf21("7","6","7","1","1","4","3","1") = "6"
    & skf21("7","6","7","1","1","4","4","1") = "6"
    & skf21("7","6","7","1","1","4","5","1") = "6"
    & skf21("7","6","7","1","1","4","6","1") = "6"
    & skf21("7","6","7","1","1","4","7","1") = "6"
    & skf21("7","6","7","1","1","5","1","1") = "6"
    & skf21("7","6","7","1","1","5","2","1") = "6"
    & skf21("7","6","7","1","1","5","3","1") = "6"
    & skf21("7","6","7","1","1","5","4","1") = "6"
    & skf21("7","6","7","1","1","5","5","1") = "6"
    & skf21("7","6","7","1","1","5","6","1") = "6"
    & skf21("7","6","7","1","1","5","7","1") = "6"
    & skf21("7","6","7","1","1","6","1","1") = "6"
    & skf21("7","6","7","1","1","6","2","1") = "6"
    & skf21("7","6","7","1","1","6","3","1") = "6"
    & skf21("7","6","7","1","1","6","4","1") = "6"
    & skf21("7","6","7","1","1","6","5","1") = "6"
    & skf21("7","6","7","1","1","6","6","1") = "6"
    & skf21("7","6","7","1","1","6","7","1") = "6"
    & skf21("7","6","7","1","1","7","1","1") = "6"
    & skf21("7","6","7","1","1","7","2","1") = "6"
    & skf21("7","6","7","1","1","7","3","1") = "6"
    & skf21("7","6","7","1","1","7","4","1") = "6"
    & skf21("7","6","7","1","1","7","5","1") = "6"
    & skf21("7","6","7","1","1","7","6","1") = "6"
    & skf21("7","6","7","1","1","7","7","1") = "6"
    & skf21("7","6","7","1","2","1","1","1") = "6"
    & skf21("7","6","7","1","2","1","2","1") = "6"
    & skf21("7","6","7","1","2","1","3","1") = "6"
    & skf21("7","6","7","1","2","1","4","1") = "6"
    & skf21("7","6","7","1","2","1","5","1") = "6"
    & skf21("7","6","7","1","2","1","6","1") = "6"
    & skf21("7","6","7","1","2","1","7","1") = "6"
    & skf21("7","6","7","1","2","2","1","1") = "6"
    & skf21("7","6","7","1","2","2","2","1") = "6"
    & skf21("7","6","7","1","2","2","3","1") = "6"
    & skf21("7","6","7","1","2","2","4","1") = "6"
    & skf21("7","6","7","1","2","2","5","1") = "6"
    & skf21("7","6","7","1","2","2","6","1") = "6"
    & skf21("7","6","7","1","2","2","7","1") = "6"
    & skf21("7","6","7","1","2","3","1","1") = "6"
    & skf21("7","6","7","1","2","3","2","1") = "6"
    & skf21("7","6","7","1","2","3","3","1") = "6"
    & skf21("7","6","7","1","2","3","4","1") = "6"
    & skf21("7","6","7","1","2","3","5","1") = "6"
    & skf21("7","6","7","1","2","3","6","1") = "6"
    & skf21("7","6","7","1","2","3","7","1") = "6"
    & skf21("7","6","7","1","2","4","1","1") = "6"
    & skf21("7","6","7","1","2","4","2","1") = "6"
    & skf21("7","6","7","1","2","4","3","1") = "6"
    & skf21("7","6","7","1","2","4","4","1") = "6"
    & skf21("7","6","7","1","2","4","5","1") = "6"
    & skf21("7","6","7","1","2","4","6","1") = "6"
    & skf21("7","6","7","1","2","4","7","1") = "6"
    & skf21("7","6","7","1","2","5","1","1") = "6"
    & skf21("7","6","7","1","2","5","2","1") = "6"
    & skf21("7","6","7","1","2","5","3","1") = "6"
    & skf21("7","6","7","1","2","5","4","1") = "6"
    & skf21("7","6","7","1","2","5","5","1") = "6"
    & skf21("7","6","7","1","2","5","6","1") = "6"
    & skf21("7","6","7","1","2","5","7","1") = "6"
    & skf21("7","6","7","1","2","6","1","1") = "6"
    & skf21("7","6","7","1","2","6","2","1") = "6"
    & skf21("7","6","7","1","2","6","3","1") = "6"
    & skf21("7","6","7","1","2","6","4","1") = "6"
    & skf21("7","6","7","1","2","6","5","1") = "6"
    & skf21("7","6","7","1","2","6","6","1") = "6"
    & skf21("7","6","7","1","2","6","7","1") = "6"
    & skf21("7","6","7","1","2","7","1","1") = "6"
    & skf21("7","6","7","1","2","7","2","1") = "6"
    & skf21("7","6","7","1","2","7","3","1") = "6"
    & skf21("7","6","7","1","2","7","4","1") = "6"
    & skf21("7","6","7","1","2","7","5","1") = "6"
    & skf21("7","6","7","1","2","7","6","1") = "6"
    & skf21("7","6","7","1","2","7","7","1") = "6"
    & skf21("7","6","7","1","3","1","1","1") = "6"
    & skf21("7","6","7","1","3","1","2","1") = "6"
    & skf21("7","6","7","1","3","1","3","1") = "6"
    & skf21("7","6","7","1","3","1","4","1") = "6"
    & skf21("7","6","7","1","3","1","5","1") = "6"
    & skf21("7","6","7","1","3","1","6","1") = "6"
    & skf21("7","6","7","1","3","1","7","1") = "6"
    & skf21("7","6","7","1","3","2","1","1") = "6"
    & skf21("7","6","7","1","3","2","2","1") = "6"
    & skf21("7","6","7","1","3","2","3","1") = "6"
    & skf21("7","6","7","1","3","2","4","1") = "6"
    & skf21("7","6","7","1","3","2","5","1") = "6"
    & skf21("7","6","7","1","3","2","6","1") = "6"
    & skf21("7","6","7","1","3","2","7","1") = "6"
    & skf21("7","6","7","1","3","3","1","1") = "6"
    & skf21("7","6","7","1","3","3","2","1") = "6"
    & skf21("7","6","7","1","3","3","3","1") = "6"
    & skf21("7","6","7","1","3","3","4","1") = "6"
    & skf21("7","6","7","1","3","3","5","1") = "6"
    & skf21("7","6","7","1","3","3","6","1") = "6"
    & skf21("7","6","7","1","3","3","7","1") = "6"
    & skf21("7","6","7","1","3","4","1","1") = "6"
    & skf21("7","6","7","1","3","4","2","1") = "6"
    & skf21("7","6","7","1","3","4","3","1") = "6"
    & skf21("7","6","7","1","3","4","4","1") = "6"
    & skf21("7","6","7","1","3","4","5","1") = "6"
    & skf21("7","6","7","1","3","4","6","1") = "6"
    & skf21("7","6","7","1","3","4","7","1") = "6"
    & skf21("7","6","7","1","3","5","1","1") = "6"
    & skf21("7","6","7","1","3","5","2","1") = "6"
    & skf21("7","6","7","1","3","5","3","1") = "6"
    & skf21("7","6","7","1","3","5","4","1") = "6"
    & skf21("7","6","7","1","3","5","5","1") = "6"
    & skf21("7","6","7","1","3","5","6","1") = "6"
    & skf21("7","6","7","1","3","5","7","1") = "6"
    & skf21("7","6","7","1","3","6","1","1") = "6"
    & skf21("7","6","7","1","3","6","2","1") = "6"
    & skf21("7","6","7","1","3","6","3","1") = "6"
    & skf21("7","6","7","1","3","6","4","1") = "6"
    & skf21("7","6","7","1","3","6","5","1") = "6"
    & skf21("7","6","7","1","3","6","6","1") = "6"
    & skf21("7","6","7","1","3","6","7","1") = "6"
    & skf21("7","6","7","1","3","7","1","1") = "6"
    & skf21("7","6","7","1","3","7","2","1") = "6"
    & skf21("7","6","7","1","3","7","3","1") = "6"
    & skf21("7","6","7","1","3","7","4","1") = "6"
    & skf21("7","6","7","1","3","7","5","1") = "6"
    & skf21("7","6","7","1","3","7","6","1") = "6"
    & skf21("7","6","7","1","3","7","7","1") = "6"
    & skf21("7","6","7","1","4","1","1","1") = "6"
    & skf21("7","6","7","1","4","1","2","1") = "6"
    & skf21("7","6","7","1","4","1","3","1") = "6"
    & skf21("7","6","7","1","4","1","4","1") = "6"
    & skf21("7","6","7","1","4","1","5","1") = "6"
    & skf21("7","6","7","1","4","1","6","1") = "6"
    & skf21("7","6","7","1","4","1","7","1") = "6"
    & skf21("7","6","7","1","4","2","1","1") = "6"
    & skf21("7","6","7","1","4","2","2","1") = "6"
    & skf21("7","6","7","1","4","2","3","1") = "6"
    & skf21("7","6","7","1","4","2","4","1") = "6"
    & skf21("7","6","7","1","4","2","5","1") = "6"
    & skf21("7","6","7","1","4","2","6","1") = "6"
    & skf21("7","6","7","1","4","2","7","1") = "6"
    & skf21("7","6","7","1","4","3","1","1") = "6"
    & skf21("7","6","7","1","4","3","2","1") = "6"
    & skf21("7","6","7","1","4","3","3","1") = "6"
    & skf21("7","6","7","1","4","3","4","1") = "6"
    & skf21("7","6","7","1","4","3","5","1") = "6"
    & skf21("7","6","7","1","4","3","6","1") = "6"
    & skf21("7","6","7","1","4","3","7","1") = "6"
    & skf21("7","6","7","1","4","4","1","1") = "6"
    & skf21("7","6","7","1","4","4","2","1") = "6"
    & skf21("7","6","7","1","4","4","3","1") = "6"
    & skf21("7","6","7","1","4","4","4","1") = "6"
    & skf21("7","6","7","1","4","4","5","1") = "6"
    & skf21("7","6","7","1","4","4","6","1") = "6"
    & skf21("7","6","7","1","4","4","7","1") = "6"
    & skf21("7","6","7","1","4","5","1","1") = "6"
    & skf21("7","6","7","1","4","5","2","1") = "6"
    & skf21("7","6","7","1","4","5","3","1") = "6"
    & skf21("7","6","7","1","4","5","4","1") = "6"
    & skf21("7","6","7","1","4","5","5","1") = "6"
    & skf21("7","6","7","1","4","5","6","1") = "6"
    & skf21("7","6","7","1","4","5","7","1") = "6"
    & skf21("7","6","7","1","4","6","1","1") = "6"
    & skf21("7","6","7","1","4","6","2","1") = "6"
    & skf21("7","6","7","1","4","6","3","1") = "6"
    & skf21("7","6","7","1","4","6","4","1") = "6"
    & skf21("7","6","7","1","4","6","5","1") = "6"
    & skf21("7","6","7","1","4","6","6","1") = "6"
    & skf21("7","6","7","1","4","6","7","1") = "6"
    & skf21("7","6","7","1","4","7","1","1") = "6"
    & skf21("7","6","7","1","4","7","2","1") = "6"
    & skf21("7","6","7","1","4","7","3","1") = "6"
    & skf21("7","6","7","1","4","7","4","1") = "6"
    & skf21("7","6","7","1","4","7","5","1") = "6"
    & skf21("7","6","7","1","4","7","6","1") = "6"
    & skf21("7","6","7","1","4","7","7","1") = "6"
    & skf21("7","6","7","1","5","1","1","1") = "6"
    & skf21("7","6","7","1","5","1","2","1") = "6"
    & skf21("7","6","7","1","5","1","3","1") = "6"
    & skf21("7","6","7","1","5","1","4","1") = "6"
    & skf21("7","6","7","1","5","1","5","1") = "6"
    & skf21("7","6","7","1","5","1","6","1") = "6"
    & skf21("7","6","7","1","5","1","7","1") = "6"
    & skf21("7","6","7","1","5","2","1","1") = "6"
    & skf21("7","6","7","1","5","2","2","1") = "6"
    & skf21("7","6","7","1","5","2","3","1") = "6"
    & skf21("7","6","7","1","5","2","4","1") = "6"
    & skf21("7","6","7","1","5","2","5","1") = "6"
    & skf21("7","6","7","1","5","2","6","1") = "6"
    & skf21("7","6","7","1","5","2","7","1") = "6"
    & skf21("7","6","7","1","5","3","1","1") = "6"
    & skf21("7","6","7","1","5","3","2","1") = "6"
    & skf21("7","6","7","1","5","3","3","1") = "6"
    & skf21("7","6","7","1","5","3","4","1") = "6"
    & skf21("7","6","7","1","5","3","5","1") = "6"
    & skf21("7","6","7","1","5","3","6","1") = "6"
    & skf21("7","6","7","1","5","3","7","1") = "6"
    & skf21("7","6","7","1","5","4","1","1") = "6"
    & skf21("7","6","7","1","5","4","2","1") = "6"
    & skf21("7","6","7","1","5","4","3","1") = "6"
    & skf21("7","6","7","1","5","4","4","1") = "6"
    & skf21("7","6","7","1","5","4","5","1") = "6"
    & skf21("7","6","7","1","5","4","6","1") = "6"
    & skf21("7","6","7","1","5","4","7","1") = "6"
    & skf21("7","6","7","1","5","5","1","1") = "6"
    & skf21("7","6","7","1","5","5","2","1") = "6"
    & skf21("7","6","7","1","5","5","3","1") = "6"
    & skf21("7","6","7","1","5","5","4","1") = "6"
    & skf21("7","6","7","1","5","5","5","1") = "6"
    & skf21("7","6","7","1","5","5","6","1") = "6"
    & skf21("7","6","7","1","5","5","7","1") = "6"
    & skf21("7","6","7","1","5","6","1","1") = "6"
    & skf21("7","6","7","1","5","6","2","1") = "6"
    & skf21("7","6","7","1","5","6","3","1") = "6"
    & skf21("7","6","7","1","5","6","4","1") = "6"
    & skf21("7","6","7","1","5","6","5","1") = "6"
    & skf21("7","6","7","1","5","6","6","1") = "6"
    & skf21("7","6","7","1","5","6","7","1") = "6"
    & skf21("7","6","7","1","5","7","1","1") = "6"
    & skf21("7","6","7","1","5","7","2","1") = "6"
    & skf21("7","6","7","1","5","7","3","1") = "6"
    & skf21("7","6","7","1","5","7","4","1") = "6"
    & skf21("7","6","7","1","5","7","5","1") = "6"
    & skf21("7","6","7","1","5","7","6","1") = "6"
    & skf21("7","6","7","1","5","7","7","1") = "6"
    & skf21("7","6","7","1","6","1","1","1") = "6"
    & skf21("7","6","7","1","6","1","2","1") = "6"
    & skf21("7","6","7","1","6","1","3","1") = "6"
    & skf21("7","6","7","1","6","1","4","1") = "6"
    & skf21("7","6","7","1","6","1","5","1") = "6"
    & skf21("7","6","7","1","6","1","6","1") = "6"
    & skf21("7","6","7","1","6","1","7","1") = "6"
    & skf21("7","6","7","1","6","2","1","1") = "6"
    & skf21("7","6","7","1","6","2","2","1") = "6"
    & skf21("7","6","7","1","6","2","3","1") = "6"
    & skf21("7","6","7","1","6","2","4","1") = "6"
    & skf21("7","6","7","1","6","2","5","1") = "6"
    & skf21("7","6","7","1","6","2","6","1") = "6"
    & skf21("7","6","7","1","6","2","7","1") = "6"
    & skf21("7","6","7","1","6","3","1","1") = "6"
    & skf21("7","6","7","1","6","3","2","1") = "6"
    & skf21("7","6","7","1","6","3","3","1") = "6"
    & skf21("7","6","7","1","6","3","4","1") = "6"
    & skf21("7","6","7","1","6","3","5","1") = "6"
    & skf21("7","6","7","1","6","3","6","1") = "6"
    & skf21("7","6","7","1","6","3","7","1") = "6"
    & skf21("7","6","7","1","6","4","1","1") = "6"
    & skf21("7","6","7","1","6","4","2","1") = "6"
    & skf21("7","6","7","1","6","4","3","1") = "6"
    & skf21("7","6","7","1","6","4","4","1") = "6"
    & skf21("7","6","7","1","6","4","5","1") = "6"
    & skf21("7","6","7","1","6","4","6","1") = "6"
    & skf21("7","6","7","1","6","4","7","1") = "6"
    & skf21("7","6","7","1","6","5","1","1") = "6"
    & skf21("7","6","7","1","6","5","2","1") = "6"
    & skf21("7","6","7","1","6","5","3","1") = "6"
    & skf21("7","6","7","1","6","5","4","1") = "6"
    & skf21("7","6","7","1","6","5","5","1") = "6"
    & skf21("7","6","7","1","6","5","6","1") = "6"
    & skf21("7","6","7","1","6","5","7","1") = "6"
    & skf21("7","6","7","1","6","6","1","1") = "6"
    & skf21("7","6","7","1","6","6","2","1") = "6"
    & skf21("7","6","7","1","6","6","3","1") = "6"
    & skf21("7","6","7","1","6","6","4","1") = "6"
    & skf21("7","6","7","1","6","6","5","1") = "6"
    & skf21("7","6","7","1","6","6","6","1") = "6"
    & skf21("7","6","7","1","6","6","7","1") = "6"
    & skf21("7","6","7","1","6","7","1","1") = "6"
    & skf21("7","6","7","1","6","7","2","1") = "6"
    & skf21("7","6","7","1","6","7","3","1") = "6"
    & skf21("7","6","7","1","6","7","4","1") = "6"
    & skf21("7","6","7","1","6","7","5","1") = "6"
    & skf21("7","6","7","1","6","7","6","1") = "6"
    & skf21("7","6","7","1","6","7","7","1") = "6"
    & skf21("7","6","7","1","7","1","1","1") = "6"
    & skf21("7","6","7","1","7","1","2","1") = "6"
    & skf21("7","6","7","1","7","1","3","1") = "6"
    & skf21("7","6","7","1","7","1","4","1") = "6"
    & skf21("7","6","7","1","7","1","5","1") = "6"
    & skf21("7","6","7","1","7","1","6","1") = "6"
    & skf21("7","6","7","1","7","1","7","1") = "6"
    & skf21("7","6","7","1","7","2","1","1") = "6"
    & skf21("7","6","7","1","7","2","2","1") = "6"
    & skf21("7","6","7","1","7","2","3","1") = "6"
    & skf21("7","6","7","1","7","2","4","1") = "6"
    & skf21("7","6","7","1","7","2","5","1") = "6"
    & skf21("7","6","7","1","7","2","6","1") = "6"
    & skf21("7","6","7","1","7","2","7","1") = "6"
    & skf21("7","6","7","1","7","3","1","1") = "6"
    & skf21("7","6","7","1","7","3","2","1") = "6"
    & skf21("7","6","7","1","7","3","3","1") = "6"
    & skf21("7","6","7","1","7","3","4","1") = "6"
    & skf21("7","6","7","1","7","3","5","1") = "6"
    & skf21("7","6","7","1","7","3","6","1") = "6"
    & skf21("7","6","7","1","7","3","7","1") = "6"
    & skf21("7","6","7","1","7","4","1","1") = "6"
    & skf21("7","6","7","1","7","4","2","1") = "6"
    & skf21("7","6","7","1","7","4","3","1") = "6"
    & skf21("7","6","7","1","7","4","4","1") = "6"
    & skf21("7","6","7","1","7","4","5","1") = "6"
    & skf21("7","6","7","1","7","4","6","1") = "6"
    & skf21("7","6","7","1","7","4","7","1") = "6"
    & skf21("7","6","7","1","7","5","1","1") = "6"
    & skf21("7","6","7","1","7","5","2","1") = "6"
    & skf21("7","6","7","1","7","5","3","1") = "6"
    & skf21("7","6","7","1","7","5","4","1") = "6"
    & skf21("7","6","7","1","7","5","5","1") = "6"
    & skf21("7","6","7","1","7","5","6","1") = "6"
    & skf21("7","6","7","1","7","5","7","1") = "6"
    & skf21("7","6","7","1","7","6","1","1") = "6"
    & skf21("7","6","7","1","7","6","2","1") = "6"
    & skf21("7","6","7","1","7","6","3","1") = "6"
    & skf21("7","6","7","1","7","6","4","1") = "6"
    & skf21("7","6","7","1","7","6","5","1") = "6"
    & skf21("7","6","7","1","7","6","6","1") = "6"
    & skf21("7","6","7","1","7","6","7","1") = "6"
    & skf21("7","6","7","1","7","7","1","1") = "6"
    & skf21("7","6","7","1","7","7","2","1") = "6"
    & skf21("7","6","7","1","7","7","3","1") = "6"
    & skf21("7","6","7","1","7","7","4","1") = "6"
    & skf21("7","6","7","1","7","7","5","1") = "6"
    & skf21("7","6","7","1","7","7","6","1") = "6"
    & skf21("7","6","7","1","7","7","7","1") = "6"
    & skf21("7","6","7","2","1","1","1","1") = "6"
    & skf21("7","6","7","2","1","1","2","1") = "6"
    & skf21("7","6","7","2","1","1","3","1") = "6"
    & skf21("7","6","7","2","1","1","4","1") = "6"
    & skf21("7","6","7","2","1","1","5","1") = "6"
    & skf21("7","6","7","2","1","1","6","1") = "6"
    & skf21("7","6","7","2","1","1","7","1") = "6"
    & skf21("7","6","7","2","1","2","1","1") = "6"
    & skf21("7","6","7","2","1","2","2","1") = "6"
    & skf21("7","6","7","2","1","2","3","1") = "6"
    & skf21("7","6","7","2","1","2","4","1") = "6"
    & skf21("7","6","7","2","1","2","5","1") = "6"
    & skf21("7","6","7","2","1","2","6","1") = "6"
    & skf21("7","6","7","2","1","2","7","1") = "6"
    & skf21("7","6","7","2","1","3","1","1") = "6"
    & skf21("7","6","7","2","1","3","2","1") = "6"
    & skf21("7","6","7","2","1","3","3","1") = "6"
    & skf21("7","6","7","2","1","3","4","1") = "6"
    & skf21("7","6","7","2","1","3","5","1") = "6"
    & skf21("7","6","7","2","1","3","6","1") = "6"
    & skf21("7","6","7","2","1","3","7","1") = "6"
    & skf21("7","6","7","2","1","4","1","1") = "6"
    & skf21("7","6","7","2","1","4","2","1") = "6"
    & skf21("7","6","7","2","1","4","3","1") = "6"
    & skf21("7","6","7","2","1","4","4","1") = "6"
    & skf21("7","6","7","2","1","4","5","1") = "6"
    & skf21("7","6","7","2","1","4","6","1") = "6"
    & skf21("7","6","7","2","1","4","7","1") = "6"
    & skf21("7","6","7","2","1","5","1","1") = "6"
    & skf21("7","6","7","2","1","5","2","1") = "6"
    & skf21("7","6","7","2","1","5","3","1") = "6"
    & skf21("7","6","7","2","1","5","4","1") = "6"
    & skf21("7","6","7","2","1","5","5","1") = "6"
    & skf21("7","6","7","2","1","5","6","1") = "6"
    & skf21("7","6","7","2","1","5","7","1") = "6"
    & skf21("7","6","7","2","1","6","1","1") = "6"
    & skf21("7","6","7","2","1","6","2","1") = "6"
    & skf21("7","6","7","2","1","6","3","1") = "6"
    & skf21("7","6","7","2","1","6","4","1") = "6"
    & skf21("7","6","7","2","1","6","5","1") = "6"
    & skf21("7","6","7","2","1","6","6","1") = "6"
    & skf21("7","6","7","2","1","6","7","1") = "6"
    & skf21("7","6","7","2","1","7","1","1") = "6"
    & skf21("7","6","7","2","1","7","2","1") = "6"
    & skf21("7","6","7","2","1","7","3","1") = "6"
    & skf21("7","6","7","2","1","7","4","1") = "6"
    & skf21("7","6","7","2","1","7","5","1") = "6"
    & skf21("7","6","7","2","1","7","6","1") = "6"
    & skf21("7","6","7","2","1","7","7","1") = "6"
    & skf21("7","6","7","2","2","1","1","1") = "6"
    & skf21("7","6","7","2","2","1","2","1") = "6"
    & skf21("7","6","7","2","2","1","3","1") = "6"
    & skf21("7","6","7","2","2","1","4","1") = "6"
    & skf21("7","6","7","2","2","1","5","1") = "6"
    & skf21("7","6","7","2","2","1","6","1") = "6"
    & skf21("7","6","7","2","2","1","7","1") = "6"
    & skf21("7","6","7","2","2","2","1","1") = "6"
    & skf21("7","6","7","2","2","2","2","1") = "6"
    & skf21("7","6","7","2","2","2","3","1") = "6"
    & skf21("7","6","7","2","2","2","4","1") = "6"
    & skf21("7","6","7","2","2","2","5","1") = "6"
    & skf21("7","6","7","2","2","2","6","1") = "6"
    & skf21("7","6","7","2","2","2","7","1") = "6"
    & skf21("7","6","7","2","2","3","1","1") = "6"
    & skf21("7","6","7","2","2","3","2","1") = "6"
    & skf21("7","6","7","2","2","3","3","1") = "6"
    & skf21("7","6","7","2","2","3","4","1") = "6"
    & skf21("7","6","7","2","2","3","5","1") = "6"
    & skf21("7","6","7","2","2","3","6","1") = "6"
    & skf21("7","6","7","2","2","3","7","1") = "6"
    & skf21("7","6","7","2","2","4","1","1") = "6"
    & skf21("7","6","7","2","2","4","2","1") = "6"
    & skf21("7","6","7","2","2","4","3","1") = "6"
    & skf21("7","6","7","2","2","4","4","1") = "6"
    & skf21("7","6","7","2","2","4","5","1") = "6"
    & skf21("7","6","7","2","2","4","6","1") = "6"
    & skf21("7","6","7","2","2","4","7","1") = "6"
    & skf21("7","6","7","2","2","5","1","1") = "6"
    & skf21("7","6","7","2","2","5","2","1") = "6"
    & skf21("7","6","7","2","2","5","3","1") = "6"
    & skf21("7","6","7","2","2","5","4","1") = "6"
    & skf21("7","6","7","2","2","5","5","1") = "6"
    & skf21("7","6","7","2","2","5","6","1") = "6"
    & skf21("7","6","7","2","2","5","7","1") = "6"
    & skf21("7","6","7","2","2","6","1","1") = "6"
    & skf21("7","6","7","2","2","6","2","1") = "6"
    & skf21("7","6","7","2","2","6","3","1") = "6"
    & skf21("7","6","7","2","2","6","4","1") = "6"
    & skf21("7","6","7","2","2","6","5","1") = "6"
    & skf21("7","6","7","2","2","6","6","1") = "6"
    & skf21("7","6","7","2","2","6","7","1") = "6"
    & skf21("7","6","7","2","2","7","1","1") = "6"
    & skf21("7","6","7","2","2","7","2","1") = "6"
    & skf21("7","6","7","2","2","7","3","1") = "6"
    & skf21("7","6","7","2","2","7","4","1") = "6"
    & skf21("7","6","7","2","2","7","5","1") = "6"
    & skf21("7","6","7","2","2","7","6","1") = "6"
    & skf21("7","6","7","2","2","7","7","1") = "6"
    & skf21("7","6","7","2","3","1","1","1") = "6"
    & skf21("7","6","7","2","3","1","2","1") = "6"
    & skf21("7","6","7","2","3","1","3","1") = "6"
    & skf21("7","6","7","2","3","1","4","1") = "6"
    & skf21("7","6","7","2","3","1","5","1") = "6"
    & skf21("7","6","7","2","3","1","6","1") = "6"
    & skf21("7","6","7","2","3","1","7","1") = "6"
    & skf21("7","6","7","2","3","2","1","1") = "6"
    & skf21("7","6","7","2","3","2","2","1") = "6"
    & skf21("7","6","7","2","3","2","3","1") = "6"
    & skf21("7","6","7","2","3","2","4","1") = "6"
    & skf21("7","6","7","2","3","2","5","1") = "6"
    & skf21("7","6","7","2","3","2","6","1") = "6"
    & skf21("7","6","7","2","3","2","7","1") = "6"
    & skf21("7","6","7","2","3","3","1","1") = "6"
    & skf21("7","6","7","2","3","3","2","1") = "6"
    & skf21("7","6","7","2","3","3","3","1") = "6"
    & skf21("7","6","7","2","3","3","4","1") = "6"
    & skf21("7","6","7","2","3","3","5","1") = "6"
    & skf21("7","6","7","2","3","3","6","1") = "6"
    & skf21("7","6","7","2","3","3","7","1") = "6"
    & skf21("7","6","7","2","3","4","1","1") = "6"
    & skf21("7","6","7","2","3","4","2","1") = "6"
    & skf21("7","6","7","2","3","4","3","1") = "6"
    & skf21("7","6","7","2","3","4","4","1") = "6"
    & skf21("7","6","7","2","3","4","5","1") = "6"
    & skf21("7","6","7","2","3","4","6","1") = "6"
    & skf21("7","6","7","2","3","4","7","1") = "6"
    & skf21("7","6","7","2","3","5","1","1") = "6"
    & skf21("7","6","7","2","3","5","2","1") = "6"
    & skf21("7","6","7","2","3","5","3","1") = "6"
    & skf21("7","6","7","2","3","5","4","1") = "6"
    & skf21("7","6","7","2","3","5","5","1") = "6"
    & skf21("7","6","7","2","3","5","6","1") = "6"
    & skf21("7","6","7","2","3","5","7","1") = "6"
    & skf21("7","6","7","2","3","6","1","1") = "6"
    & skf21("7","6","7","2","3","6","2","1") = "6"
    & skf21("7","6","7","2","3","6","3","1") = "6"
    & skf21("7","6","7","2","3","6","4","1") = "6"
    & skf21("7","6","7","2","3","6","5","1") = "6"
    & skf21("7","6","7","2","3","6","6","1") = "6"
    & skf21("7","6","7","2","3","6","7","1") = "6"
    & skf21("7","6","7","2","3","7","1","1") = "6"
    & skf21("7","6","7","2","3","7","2","1") = "6"
    & skf21("7","6","7","2","3","7","3","1") = "6"
    & skf21("7","6","7","2","3","7","4","1") = "6"
    & skf21("7","6","7","2","3","7","5","1") = "6"
    & skf21("7","6","7","2","3","7","6","1") = "6"
    & skf21("7","6","7","2","3","7","7","1") = "6"
    & skf21("7","6","7","2","4","1","1","1") = "6"
    & skf21("7","6","7","2","4","1","2","1") = "6"
    & skf21("7","6","7","2","4","1","3","1") = "6"
    & skf21("7","6","7","2","4","1","4","1") = "6"
    & skf21("7","6","7","2","4","1","5","1") = "6"
    & skf21("7","6","7","2","4","1","6","1") = "6"
    & skf21("7","6","7","2","4","1","7","1") = "6"
    & skf21("7","6","7","2","4","2","1","1") = "6"
    & skf21("7","6","7","2","4","2","2","1") = "6"
    & skf21("7","6","7","2","4","2","3","1") = "6"
    & skf21("7","6","7","2","4","2","4","1") = "6"
    & skf21("7","6","7","2","4","2","5","1") = "6"
    & skf21("7","6","7","2","4","2","6","1") = "6"
    & skf21("7","6","7","2","4","2","7","1") = "6"
    & skf21("7","6","7","2","4","3","1","1") = "6"
    & skf21("7","6","7","2","4","3","2","1") = "6"
    & skf21("7","6","7","2","4","3","3","1") = "6"
    & skf21("7","6","7","2","4","3","4","1") = "6"
    & skf21("7","6","7","2","4","3","5","1") = "6"
    & skf21("7","6","7","2","4","3","6","1") = "6"
    & skf21("7","6","7","2","4","3","7","1") = "6"
    & skf21("7","6","7","2","4","4","1","1") = "6"
    & skf21("7","6","7","2","4","4","2","1") = "6"
    & skf21("7","6","7","2","4","4","3","1") = "6"
    & skf21("7","6","7","2","4","4","4","1") = "6"
    & skf21("7","6","7","2","4","4","5","1") = "6"
    & skf21("7","6","7","2","4","4","6","1") = "6"
    & skf21("7","6","7","2","4","4","7","1") = "6"
    & skf21("7","6","7","2","4","5","1","1") = "6"
    & skf21("7","6","7","2","4","5","2","1") = "6"
    & skf21("7","6","7","2","4","5","3","1") = "6"
    & skf21("7","6","7","2","4","5","4","1") = "6"
    & skf21("7","6","7","2","4","5","5","1") = "6"
    & skf21("7","6","7","2","4","5","6","1") = "6"
    & skf21("7","6","7","2","4","5","7","1") = "6"
    & skf21("7","6","7","2","4","6","1","1") = "6"
    & skf21("7","6","7","2","4","6","2","1") = "6"
    & skf21("7","6","7","2","4","6","3","1") = "6"
    & skf21("7","6","7","2","4","6","4","1") = "6"
    & skf21("7","6","7","2","4","6","5","1") = "6"
    & skf21("7","6","7","2","4","6","6","1") = "6"
    & skf21("7","6","7","2","4","6","7","1") = "6"
    & skf21("7","6","7","2","4","7","1","1") = "6"
    & skf21("7","6","7","2","4","7","2","1") = "6"
    & skf21("7","6","7","2","4","7","3","1") = "6"
    & skf21("7","6","7","2","4","7","4","1") = "6"
    & skf21("7","6","7","2","4","7","5","1") = "6"
    & skf21("7","6","7","2","4","7","6","1") = "6"
    & skf21("7","6","7","2","4","7","7","1") = "6"
    & skf21("7","6","7","2","5","1","1","1") = "6"
    & skf21("7","6","7","2","5","1","2","1") = "6"
    & skf21("7","6","7","2","5","1","3","1") = "6"
    & skf21("7","6","7","2","5","1","4","1") = "6"
    & skf21("7","6","7","2","5","1","5","1") = "6"
    & skf21("7","6","7","2","5","1","6","1") = "6"
    & skf21("7","6","7","2","5","1","7","1") = "6"
    & skf21("7","6","7","2","5","2","1","1") = "6"
    & skf21("7","6","7","2","5","2","2","1") = "6"
    & skf21("7","6","7","2","5","2","3","1") = "6"
    & skf21("7","6","7","2","5","2","4","1") = "6"
    & skf21("7","6","7","2","5","2","5","1") = "6"
    & skf21("7","6","7","2","5","2","6","1") = "6"
    & skf21("7","6","7","2","5","2","7","1") = "6"
    & skf21("7","6","7","2","5","3","1","1") = "6"
    & skf21("7","6","7","2","5","3","2","1") = "6"
    & skf21("7","6","7","2","5","3","3","1") = "6"
    & skf21("7","6","7","2","5","3","4","1") = "6"
    & skf21("7","6","7","2","5","3","5","1") = "6"
    & skf21("7","6","7","2","5","3","6","1") = "6"
    & skf21("7","6","7","2","5","3","7","1") = "6"
    & skf21("7","6","7","2","5","4","1","1") = "6"
    & skf21("7","6","7","2","5","4","2","1") = "6"
    & skf21("7","6","7","2","5","4","3","1") = "6"
    & skf21("7","6","7","2","5","4","4","1") = "6"
    & skf21("7","6","7","2","5","4","5","1") = "6"
    & skf21("7","6","7","2","5","4","6","1") = "6"
    & skf21("7","6","7","2","5","4","7","1") = "6"
    & skf21("7","6","7","2","5","5","1","1") = "6"
    & skf21("7","6","7","2","5","5","2","1") = "6"
    & skf21("7","6","7","2","5","5","3","1") = "6"
    & skf21("7","6","7","2","5","5","4","1") = "6"
    & skf21("7","6","7","2","5","5","5","1") = "6"
    & skf21("7","6","7","2","5","5","6","1") = "6"
    & skf21("7","6","7","2","5","5","7","1") = "6"
    & skf21("7","6","7","2","5","6","1","1") = "6"
    & skf21("7","6","7","2","5","6","2","1") = "6"
    & skf21("7","6","7","2","5","6","3","1") = "6"
    & skf21("7","6","7","2","5","6","4","1") = "6"
    & skf21("7","6","7","2","5","6","5","1") = "6"
    & skf21("7","6","7","2","5","6","6","1") = "6"
    & skf21("7","6","7","2","5","6","7","1") = "6"
    & skf21("7","6","7","2","5","7","1","1") = "6"
    & skf21("7","6","7","2","5","7","2","1") = "6"
    & skf21("7","6","7","2","5","7","3","1") = "6"
    & skf21("7","6","7","2","5","7","4","1") = "6"
    & skf21("7","6","7","2","5","7","5","1") = "6"
    & skf21("7","6","7","2","5","7","6","1") = "6"
    & skf21("7","6","7","2","5","7","7","1") = "6"
    & skf21("7","6","7","2","6","1","1","1") = "6"
    & skf21("7","6","7","2","6","1","2","1") = "6"
    & skf21("7","6","7","2","6","1","3","1") = "6"
    & skf21("7","6","7","2","6","1","4","1") = "6"
    & skf21("7","6","7","2","6","1","5","1") = "6"
    & skf21("7","6","7","2","6","1","6","1") = "6"
    & skf21("7","6","7","2","6","1","7","1") = "6"
    & skf21("7","6","7","2","6","2","1","1") = "6"
    & skf21("7","6","7","2","6","2","2","1") = "6"
    & skf21("7","6","7","2","6","2","3","1") = "6"
    & skf21("7","6","7","2","6","2","4","1") = "6"
    & skf21("7","6","7","2","6","2","5","1") = "6"
    & skf21("7","6","7","2","6","2","6","1") = "6"
    & skf21("7","6","7","2","6","2","7","1") = "6"
    & skf21("7","6","7","2","6","3","1","1") = "6"
    & skf21("7","6","7","2","6","3","2","1") = "6"
    & skf21("7","6","7","2","6","3","3","1") = "6"
    & skf21("7","6","7","2","6","3","4","1") = "6"
    & skf21("7","6","7","2","6","3","5","1") = "6"
    & skf21("7","6","7","2","6","3","6","1") = "6"
    & skf21("7","6","7","2","6","3","7","1") = "6"
    & skf21("7","6","7","2","6","4","1","1") = "6"
    & skf21("7","6","7","2","6","4","2","1") = "6"
    & skf21("7","6","7","2","6","4","3","1") = "6"
    & skf21("7","6","7","2","6","4","4","1") = "6"
    & skf21("7","6","7","2","6","4","5","1") = "6"
    & skf21("7","6","7","2","6","4","6","1") = "6"
    & skf21("7","6","7","2","6","4","7","1") = "6"
    & skf21("7","6","7","2","6","5","1","1") = "6"
    & skf21("7","6","7","2","6","5","2","1") = "6"
    & skf21("7","6","7","2","6","5","3","1") = "6"
    & skf21("7","6","7","2","6","5","4","1") = "6"
    & skf21("7","6","7","2","6","5","5","1") = "6"
    & skf21("7","6","7","2","6","5","6","1") = "6"
    & skf21("7","6","7","2","6","5","7","1") = "6"
    & skf21("7","6","7","2","6","6","1","1") = "6"
    & skf21("7","6","7","2","6","6","2","1") = "6"
    & skf21("7","6","7","2","6","6","3","1") = "6"
    & skf21("7","6","7","2","6","6","4","1") = "6"
    & skf21("7","6","7","2","6","6","5","1") = "6"
    & skf21("7","6","7","2","6","6","6","1") = "6"
    & skf21("7","6","7","2","6","6","7","1") = "6"
    & skf21("7","6","7","2","6","7","1","1") = "6"
    & skf21("7","6","7","2","6","7","2","1") = "6"
    & skf21("7","6","7","2","6","7","3","1") = "6"
    & skf21("7","6","7","2","6","7","4","1") = "6"
    & skf21("7","6","7","2","6","7","5","1") = "6"
    & skf21("7","6","7","2","6","7","6","1") = "6"
    & skf21("7","6","7","2","6","7","7","1") = "6"
    & skf21("7","6","7","2","7","1","1","1") = "6"
    & skf21("7","6","7","2","7","1","2","1") = "6"
    & skf21("7","6","7","2","7","1","3","1") = "6"
    & skf21("7","6","7","2","7","1","4","1") = "6"
    & skf21("7","6","7","2","7","1","5","1") = "6"
    & skf21("7","6","7","2","7","1","6","1") = "6"
    & skf21("7","6","7","2","7","1","7","1") = "6"
    & skf21("7","6","7","2","7","2","1","1") = "6"
    & skf21("7","6","7","2","7","2","2","1") = "6"
    & skf21("7","6","7","2","7","2","3","1") = "6"
    & skf21("7","6","7","2","7","2","4","1") = "6"
    & skf21("7","6","7","2","7","2","5","1") = "6"
    & skf21("7","6","7","2","7","2","6","1") = "6"
    & skf21("7","6","7","2","7","2","7","1") = "6"
    & skf21("7","6","7","2","7","3","1","1") = "6"
    & skf21("7","6","7","2","7","3","2","1") = "6"
    & skf21("7","6","7","2","7","3","3","1") = "6"
    & skf21("7","6","7","2","7","3","4","1") = "6"
    & skf21("7","6","7","2","7","3","5","1") = "6"
    & skf21("7","6","7","2","7","3","6","1") = "6"
    & skf21("7","6","7","2","7","3","7","1") = "6"
    & skf21("7","6","7","2","7","4","1","1") = "6"
    & skf21("7","6","7","2","7","4","2","1") = "6"
    & skf21("7","6","7","2","7","4","3","1") = "6"
    & skf21("7","6","7","2","7","4","4","1") = "6"
    & skf21("7","6","7","2","7","4","5","1") = "6"
    & skf21("7","6","7","2","7","4","6","1") = "6"
    & skf21("7","6","7","2","7","4","7","1") = "6"
    & skf21("7","6","7","2","7","5","1","1") = "6"
    & skf21("7","6","7","2","7","5","2","1") = "6"
    & skf21("7","6","7","2","7","5","3","1") = "6"
    & skf21("7","6","7","2","7","5","4","1") = "6"
    & skf21("7","6","7","2","7","5","5","1") = "6"
    & skf21("7","6","7","2","7","5","6","1") = "6"
    & skf21("7","6","7","2","7","5","7","1") = "6"
    & skf21("7","6","7","2","7","6","1","1") = "6"
    & skf21("7","6","7","2","7","6","2","1") = "6"
    & skf21("7","6","7","2","7","6","3","1") = "6"
    & skf21("7","6","7","2","7","6","4","1") = "6"
    & skf21("7","6","7","2","7","6","5","1") = "6"
    & skf21("7","6","7","2","7","6","6","1") = "6"
    & skf21("7","6","7","2","7","6","7","1") = "6"
    & skf21("7","6","7","2","7","7","1","1") = "6"
    & skf21("7","6","7","2","7","7","2","1") = "6"
    & skf21("7","6","7","2","7","7","3","1") = "6"
    & skf21("7","6","7","2","7","7","4","1") = "6"
    & skf21("7","6","7","2","7","7","5","1") = "6"
    & skf21("7","6","7","2","7","7","6","1") = "6"
    & skf21("7","6","7","2","7","7","7","1") = "6"
    & skf21("7","6","7","3","1","1","1","1") = "6"
    & skf21("7","6","7","3","1","1","2","1") = "6"
    & skf21("7","6","7","3","1","1","3","1") = "6"
    & skf21("7","6","7","3","1","1","4","1") = "6"
    & skf21("7","6","7","3","1","1","5","1") = "6"
    & skf21("7","6","7","3","1","1","6","1") = "6"
    & skf21("7","6","7","3","1","1","7","1") = "6"
    & skf21("7","6","7","3","1","2","1","1") = "6"
    & skf21("7","6","7","3","1","2","2","1") = "6"
    & skf21("7","6","7","3","1","2","3","1") = "6"
    & skf21("7","6","7","3","1","2","4","1") = "6"
    & skf21("7","6","7","3","1","2","5","1") = "6"
    & skf21("7","6","7","3","1","2","6","1") = "6"
    & skf21("7","6","7","3","1","2","7","1") = "6"
    & skf21("7","6","7","3","1","3","1","1") = "6"
    & skf21("7","6","7","3","1","3","2","1") = "6"
    & skf21("7","6","7","3","1","3","3","1") = "6"
    & skf21("7","6","7","3","1","3","4","1") = "6"
    & skf21("7","6","7","3","1","3","5","1") = "6"
    & skf21("7","6","7","3","1","3","6","1") = "6"
    & skf21("7","6","7","3","1","3","7","1") = "6"
    & skf21("7","6","7","3","1","4","1","1") = "6"
    & skf21("7","6","7","3","1","4","2","1") = "6"
    & skf21("7","6","7","3","1","4","3","1") = "6"
    & skf21("7","6","7","3","1","4","4","1") = "6"
    & skf21("7","6","7","3","1","4","5","1") = "6"
    & skf21("7","6","7","3","1","4","6","1") = "6"
    & skf21("7","6","7","3","1","4","7","1") = "6"
    & skf21("7","6","7","3","1","5","1","1") = "6"
    & skf21("7","6","7","3","1","5","2","1") = "6"
    & skf21("7","6","7","3","1","5","3","1") = "6"
    & skf21("7","6","7","3","1","5","4","1") = "6"
    & skf21("7","6","7","3","1","5","5","1") = "6"
    & skf21("7","6","7","3","1","5","6","1") = "6"
    & skf21("7","6","7","3","1","5","7","1") = "6"
    & skf21("7","6","7","3","1","6","1","1") = "6"
    & skf21("7","6","7","3","1","6","2","1") = "6"
    & skf21("7","6","7","3","1","6","3","1") = "6"
    & skf21("7","6","7","3","1","6","4","1") = "6"
    & skf21("7","6","7","3","1","6","5","1") = "6"
    & skf21("7","6","7","3","1","6","6","1") = "6"
    & skf21("7","6","7","3","1","6","7","1") = "6"
    & skf21("7","6","7","3","1","7","1","1") = "6"
    & skf21("7","6","7","3","1","7","2","1") = "6"
    & skf21("7","6","7","3","1","7","3","1") = "6"
    & skf21("7","6","7","3","1","7","4","1") = "6"
    & skf21("7","6","7","3","1","7","5","1") = "6"
    & skf21("7","6","7","3","1","7","6","1") = "6"
    & skf21("7","6","7","3","1","7","7","1") = "6"
    & skf21("7","6","7","3","2","1","1","1") = "6"
    & skf21("7","6","7","3","2","1","2","1") = "6"
    & skf21("7","6","7","3","2","1","3","1") = "6"
    & skf21("7","6","7","3","2","1","4","1") = "6"
    & skf21("7","6","7","3","2","1","5","1") = "6"
    & skf21("7","6","7","3","2","1","6","1") = "6"
    & skf21("7","6","7","3","2","1","7","1") = "6"
    & skf21("7","6","7","3","2","2","1","1") = "6"
    & skf21("7","6","7","3","2","2","2","1") = "6"
    & skf21("7","6","7","3","2","2","3","1") = "6"
    & skf21("7","6","7","3","2","2","4","1") = "6"
    & skf21("7","6","7","3","2","2","5","1") = "6"
    & skf21("7","6","7","3","2","2","6","1") = "6"
    & skf21("7","6","7","3","2","2","7","1") = "6"
    & skf21("7","6","7","3","2","3","1","1") = "6"
    & skf21("7","6","7","3","2","3","2","1") = "6"
    & skf21("7","6","7","3","2","3","3","1") = "6"
    & skf21("7","6","7","3","2","3","4","1") = "6"
    & skf21("7","6","7","3","2","3","5","1") = "6"
    & skf21("7","6","7","3","2","3","6","1") = "6"
    & skf21("7","6","7","3","2","3","7","1") = "6"
    & skf21("7","6","7","3","2","4","1","1") = "6"
    & skf21("7","6","7","3","2","4","2","1") = "6"
    & skf21("7","6","7","3","2","4","3","1") = "6"
    & skf21("7","6","7","3","2","4","4","1") = "6"
    & skf21("7","6","7","3","2","4","5","1") = "6"
    & skf21("7","6","7","3","2","4","6","1") = "6"
    & skf21("7","6","7","3","2","4","7","1") = "6"
    & skf21("7","6","7","3","2","5","1","1") = "6"
    & skf21("7","6","7","3","2","5","2","1") = "6"
    & skf21("7","6","7","3","2","5","3","1") = "6"
    & skf21("7","6","7","3","2","5","4","1") = "6"
    & skf21("7","6","7","3","2","5","5","1") = "6"
    & skf21("7","6","7","3","2","5","6","1") = "6"
    & skf21("7","6","7","3","2","5","7","1") = "6"
    & skf21("7","6","7","3","2","6","1","1") = "6"
    & skf21("7","6","7","3","2","6","2","1") = "6"
    & skf21("7","6","7","3","2","6","3","1") = "6"
    & skf21("7","6","7","3","2","6","4","1") = "6"
    & skf21("7","6","7","3","2","6","5","1") = "6"
    & skf21("7","6","7","3","2","6","6","1") = "6"
    & skf21("7","6","7","3","2","6","7","1") = "6"
    & skf21("7","6","7","3","2","7","1","1") = "6"
    & skf21("7","6","7","3","2","7","2","1") = "6"
    & skf21("7","6","7","3","2","7","3","1") = "6"
    & skf21("7","6","7","3","2","7","4","1") = "6"
    & skf21("7","6","7","3","2","7","5","1") = "6"
    & skf21("7","6","7","3","2","7","6","1") = "6"
    & skf21("7","6","7","3","2","7","7","1") = "6"
    & skf21("7","6","7","3","3","1","1","1") = "6"
    & skf21("7","6","7","3","3","1","2","1") = "6"
    & skf21("7","6","7","3","3","1","3","1") = "6"
    & skf21("7","6","7","3","3","1","4","1") = "6"
    & skf21("7","6","7","3","3","1","5","1") = "6"
    & skf21("7","6","7","3","3","1","6","1") = "6"
    & skf21("7","6","7","3","3","1","7","1") = "6"
    & skf21("7","6","7","3","3","2","1","1") = "6"
    & skf21("7","6","7","3","3","2","2","1") = "6"
    & skf21("7","6","7","3","3","2","3","1") = "6"
    & skf21("7","6","7","3","3","2","4","1") = "6"
    & skf21("7","6","7","3","3","2","5","1") = "6"
    & skf21("7","6","7","3","3","2","6","1") = "6"
    & skf21("7","6","7","3","3","2","7","1") = "6"
    & skf21("7","6","7","3","3","3","1","1") = "6"
    & skf21("7","6","7","3","3","3","2","1") = "6"
    & skf21("7","6","7","3","3","3","3","1") = "6"
    & skf21("7","6","7","3","3","3","4","1") = "6"
    & skf21("7","6","7","3","3","3","5","1") = "6"
    & skf21("7","6","7","3","3","3","6","1") = "6"
    & skf21("7","6","7","3","3","3","7","1") = "6"
    & skf21("7","6","7","3","3","4","1","1") = "6"
    & skf21("7","6","7","3","3","4","2","1") = "6"
    & skf21("7","6","7","3","3","4","3","1") = "6"
    & skf21("7","6","7","3","3","4","4","1") = "6"
    & skf21("7","6","7","3","3","4","5","1") = "6"
    & skf21("7","6","7","3","3","4","6","1") = "6"
    & skf21("7","6","7","3","3","4","7","1") = "6"
    & skf21("7","6","7","3","3","5","1","1") = "6"
    & skf21("7","6","7","3","3","5","2","1") = "6"
    & skf21("7","6","7","3","3","5","3","1") = "6"
    & skf21("7","6","7","3","3","5","4","1") = "6"
    & skf21("7","6","7","3","3","5","5","1") = "6"
    & skf21("7","6","7","3","3","5","6","1") = "6"
    & skf21("7","6","7","3","3","5","7","1") = "6"
    & skf21("7","6","7","3","3","6","1","1") = "6"
    & skf21("7","6","7","3","3","6","2","1") = "6"
    & skf21("7","6","7","3","3","6","3","1") = "6"
    & skf21("7","6","7","3","3","6","4","1") = "6"
    & skf21("7","6","7","3","3","6","5","1") = "6"
    & skf21("7","6","7","3","3","6","6","1") = "6"
    & skf21("7","6","7","3","3","6","7","1") = "6"
    & skf21("7","6","7","3","3","7","1","1") = "6"
    & skf21("7","6","7","3","3","7","2","1") = "6"
    & skf21("7","6","7","3","3","7","3","1") = "6"
    & skf21("7","6","7","3","3","7","4","1") = "6"
    & skf21("7","6","7","3","3","7","5","1") = "6"
    & skf21("7","6","7","3","3","7","6","1") = "6"
    & skf21("7","6","7","3","3","7","7","1") = "6"
    & skf21("7","6","7","3","4","1","1","1") = "6"
    & skf21("7","6","7","3","4","1","2","1") = "6"
    & skf21("7","6","7","3","4","1","3","1") = "6"
    & skf21("7","6","7","3","4","1","4","1") = "6"
    & skf21("7","6","7","3","4","1","5","1") = "6"
    & skf21("7","6","7","3","4","1","6","1") = "6"
    & skf21("7","6","7","3","4","1","7","1") = "6"
    & skf21("7","6","7","3","4","2","1","1") = "6"
    & skf21("7","6","7","3","4","2","2","1") = "6"
    & skf21("7","6","7","3","4","2","3","1") = "6"
    & skf21("7","6","7","3","4","2","4","1") = "6"
    & skf21("7","6","7","3","4","2","5","1") = "6"
    & skf21("7","6","7","3","4","2","6","1") = "6"
    & skf21("7","6","7","3","4","2","7","1") = "6"
    & skf21("7","6","7","3","4","3","1","1") = "6"
    & skf21("7","6","7","3","4","3","2","1") = "6"
    & skf21("7","6","7","3","4","3","3","1") = "6"
    & skf21("7","6","7","3","4","3","4","1") = "6"
    & skf21("7","6","7","3","4","3","5","1") = "6"
    & skf21("7","6","7","3","4","3","6","1") = "6"
    & skf21("7","6","7","3","4","3","7","1") = "6"
    & skf21("7","6","7","3","4","4","1","1") = "6"
    & skf21("7","6","7","3","4","4","2","1") = "6"
    & skf21("7","6","7","3","4","4","3","1") = "6"
    & skf21("7","6","7","3","4","4","4","1") = "6"
    & skf21("7","6","7","3","4","4","5","1") = "6"
    & skf21("7","6","7","3","4","4","6","1") = "6"
    & skf21("7","6","7","3","4","4","7","1") = "6"
    & skf21("7","6","7","3","4","5","1","1") = "6"
    & skf21("7","6","7","3","4","5","2","1") = "6"
    & skf21("7","6","7","3","4","5","3","1") = "6"
    & skf21("7","6","7","3","4","5","4","1") = "6"
    & skf21("7","6","7","3","4","5","5","1") = "6"
    & skf21("7","6","7","3","4","5","6","1") = "6"
    & skf21("7","6","7","3","4","5","7","1") = "6"
    & skf21("7","6","7","3","4","6","1","1") = "6"
    & skf21("7","6","7","3","4","6","2","1") = "6"
    & skf21("7","6","7","3","4","6","3","1") = "6"
    & skf21("7","6","7","3","4","6","4","1") = "6"
    & skf21("7","6","7","3","4","6","5","1") = "6"
    & skf21("7","6","7","3","4","6","6","1") = "6"
    & skf21("7","6","7","3","4","6","7","1") = "6"
    & skf21("7","6","7","3","4","7","1","1") = "6"
    & skf21("7","6","7","3","4","7","2","1") = "6"
    & skf21("7","6","7","3","4","7","3","1") = "6"
    & skf21("7","6","7","3","4","7","4","1") = "6"
    & skf21("7","6","7","3","4","7","5","1") = "6"
    & skf21("7","6","7","3","4","7","6","1") = "6"
    & skf21("7","6","7","3","4","7","7","1") = "6"
    & skf21("7","6","7","3","5","1","1","1") = "6"
    & skf21("7","6","7","3","5","1","2","1") = "6"
    & skf21("7","6","7","3","5","1","3","1") = "6"
    & skf21("7","6","7","3","5","1","4","1") = "6"
    & skf21("7","6","7","3","5","1","5","1") = "6"
    & skf21("7","6","7","3","5","1","6","1") = "6"
    & skf21("7","6","7","3","5","1","7","1") = "6"
    & skf21("7","6","7","3","5","2","1","1") = "6"
    & skf21("7","6","7","3","5","2","2","1") = "6"
    & skf21("7","6","7","3","5","2","3","1") = "6"
    & skf21("7","6","7","3","5","2","4","1") = "6"
    & skf21("7","6","7","3","5","2","5","1") = "6"
    & skf21("7","6","7","3","5","2","6","1") = "6"
    & skf21("7","6","7","3","5","2","7","1") = "6"
    & skf21("7","6","7","3","5","3","1","1") = "6"
    & skf21("7","6","7","3","5","3","2","1") = "6"
    & skf21("7","6","7","3","5","3","3","1") = "6"
    & skf21("7","6","7","3","5","3","4","1") = "6"
    & skf21("7","6","7","3","5","3","5","1") = "6"
    & skf21("7","6","7","3","5","3","6","1") = "6"
    & skf21("7","6","7","3","5","3","7","1") = "6"
    & skf21("7","6","7","3","5","4","1","1") = "6"
    & skf21("7","6","7","3","5","4","2","1") = "6"
    & skf21("7","6","7","3","5","4","3","1") = "6"
    & skf21("7","6","7","3","5","4","4","1") = "6"
    & skf21("7","6","7","3","5","4","5","1") = "6"
    & skf21("7","6","7","3","5","4","6","1") = "6"
    & skf21("7","6","7","3","5","4","7","1") = "6"
    & skf21("7","6","7","3","5","5","1","1") = "6"
    & skf21("7","6","7","3","5","5","2","1") = "6"
    & skf21("7","6","7","3","5","5","3","1") = "6"
    & skf21("7","6","7","3","5","5","4","1") = "6"
    & skf21("7","6","7","3","5","5","5","1") = "6"
    & skf21("7","6","7","3","5","5","6","1") = "6"
    & skf21("7","6","7","3","5","5","7","1") = "6"
    & skf21("7","6","7","3","5","6","1","1") = "6"
    & skf21("7","6","7","3","5","6","2","1") = "6"
    & skf21("7","6","7","3","5","6","3","1") = "6"
    & skf21("7","6","7","3","5","6","4","1") = "6"
    & skf21("7","6","7","3","5","6","5","1") = "6"
    & skf21("7","6","7","3","5","6","6","1") = "6"
    & skf21("7","6","7","3","5","6","7","1") = "6"
    & skf21("7","6","7","3","5","7","1","1") = "6"
    & skf21("7","6","7","3","5","7","2","1") = "6"
    & skf21("7","6","7","3","5","7","3","1") = "6"
    & skf21("7","6","7","3","5","7","4","1") = "6"
    & skf21("7","6","7","3","5","7","5","1") = "6"
    & skf21("7","6","7","3","5","7","6","1") = "6"
    & skf21("7","6","7","3","5","7","7","1") = "6"
    & skf21("7","6","7","3","6","1","1","1") = "6"
    & skf21("7","6","7","3","6","1","2","1") = "6"
    & skf21("7","6","7","3","6","1","3","1") = "6"
    & skf21("7","6","7","3","6","1","4","1") = "6"
    & skf21("7","6","7","3","6","1","5","1") = "6"
    & skf21("7","6","7","3","6","1","6","1") = "6"
    & skf21("7","6","7","3","6","1","7","1") = "6"
    & skf21("7","6","7","3","6","2","1","1") = "6"
    & skf21("7","6","7","3","6","2","2","1") = "6"
    & skf21("7","6","7","3","6","2","3","1") = "6"
    & skf21("7","6","7","3","6","2","4","1") = "6"
    & skf21("7","6","7","3","6","2","5","1") = "6"
    & skf21("7","6","7","3","6","2","6","1") = "6"
    & skf21("7","6","7","3","6","2","7","1") = "6"
    & skf21("7","6","7","3","6","3","1","1") = "6"
    & skf21("7","6","7","3","6","3","2","1") = "6"
    & skf21("7","6","7","3","6","3","3","1") = "6"
    & skf21("7","6","7","3","6","3","4","1") = "6"
    & skf21("7","6","7","3","6","3","5","1") = "6"
    & skf21("7","6","7","3","6","3","6","1") = "6"
    & skf21("7","6","7","3","6","3","7","1") = "6"
    & skf21("7","6","7","3","6","4","1","1") = "6"
    & skf21("7","6","7","3","6","4","2","1") = "6"
    & skf21("7","6","7","3","6","4","3","1") = "6"
    & skf21("7","6","7","3","6","4","4","1") = "6"
    & skf21("7","6","7","3","6","4","5","1") = "6"
    & skf21("7","6","7","3","6","4","6","1") = "6"
    & skf21("7","6","7","3","6","4","7","1") = "6"
    & skf21("7","6","7","3","6","5","1","1") = "6"
    & skf21("7","6","7","3","6","5","2","1") = "6"
    & skf21("7","6","7","3","6","5","3","1") = "6"
    & skf21("7","6","7","3","6","5","4","1") = "6"
    & skf21("7","6","7","3","6","5","5","1") = "6"
    & skf21("7","6","7","3","6","5","6","1") = "6"
    & skf21("7","6","7","3","6","5","7","1") = "6"
    & skf21("7","6","7","3","6","6","1","1") = "6"
    & skf21("7","6","7","3","6","6","2","1") = "6"
    & skf21("7","6","7","3","6","6","3","1") = "6"
    & skf21("7","6","7","3","6","6","4","1") = "6"
    & skf21("7","6","7","3","6","6","5","1") = "6"
    & skf21("7","6","7","3","6","6","6","1") = "6"
    & skf21("7","6","7","3","6","6","7","1") = "6"
    & skf21("7","6","7","3","6","7","1","1") = "6"
    & skf21("7","6","7","3","6","7","2","1") = "6"
    & skf21("7","6","7","3","6","7","3","1") = "6"
    & skf21("7","6","7","3","6","7","4","1") = "6"
    & skf21("7","6","7","3","6","7","5","1") = "6"
    & skf21("7","6","7","3","6","7","6","1") = "6"
    & skf21("7","6","7","3","6","7","7","1") = "6"
    & skf21("7","6","7","3","7","1","1","1") = "6"
    & skf21("7","6","7","3","7","1","2","1") = "6"
    & skf21("7","6","7","3","7","1","3","1") = "6"
    & skf21("7","6","7","3","7","1","4","1") = "6"
    & skf21("7","6","7","3","7","1","5","1") = "6"
    & skf21("7","6","7","3","7","1","6","1") = "6"
    & skf21("7","6","7","3","7","1","7","1") = "6"
    & skf21("7","6","7","3","7","2","1","1") = "6"
    & skf21("7","6","7","3","7","2","2","1") = "6"
    & skf21("7","6","7","3","7","2","3","1") = "6"
    & skf21("7","6","7","3","7","2","4","1") = "6"
    & skf21("7","6","7","3","7","2","5","1") = "6"
    & skf21("7","6","7","3","7","2","6","1") = "6"
    & skf21("7","6","7","3","7","2","7","1") = "6"
    & skf21("7","6","7","3","7","3","1","1") = "6"
    & skf21("7","6","7","3","7","3","2","1") = "6"
    & skf21("7","6","7","3","7","3","3","1") = "6"
    & skf21("7","6","7","3","7","3","4","1") = "6"
    & skf21("7","6","7","3","7","3","5","1") = "6"
    & skf21("7","6","7","3","7","3","6","1") = "6"
    & skf21("7","6","7","3","7","3","7","1") = "6"
    & skf21("7","6","7","3","7","4","1","1") = "6"
    & skf21("7","6","7","3","7","4","2","1") = "6"
    & skf21("7","6","7","3","7","4","3","1") = "6"
    & skf21("7","6","7","3","7","4","4","1") = "6"
    & skf21("7","6","7","3","7","4","5","1") = "6"
    & skf21("7","6","7","3","7","4","6","1") = "6"
    & skf21("7","6","7","3","7","4","7","1") = "6"
    & skf21("7","6","7","3","7","5","1","1") = "6"
    & skf21("7","6","7","3","7","5","2","1") = "6"
    & skf21("7","6","7","3","7","5","3","1") = "6"
    & skf21("7","6","7","3","7","5","4","1") = "6"
    & skf21("7","6","7","3","7","5","5","1") = "6"
    & skf21("7","6","7","3","7","5","6","1") = "6"
    & skf21("7","6","7","3","7","5","7","1") = "6"
    & skf21("7","6","7","3","7","6","1","1") = "6"
    & skf21("7","6","7","3","7","6","2","1") = "6"
    & skf21("7","6","7","3","7","6","3","1") = "6"
    & skf21("7","6","7","3","7","6","4","1") = "6"
    & skf21("7","6","7","3","7","6","5","1") = "6"
    & skf21("7","6","7","3","7","6","6","1") = "6"
    & skf21("7","6","7","3","7","6","7","1") = "6"
    & skf21("7","6","7","3","7","7","1","1") = "6"
    & skf21("7","6","7","3","7","7","2","1") = "6"
    & skf21("7","6","7","3","7","7","3","1") = "6"
    & skf21("7","6","7","3","7","7","4","1") = "6"
    & skf21("7","6","7","3","7","7","5","1") = "6"
    & skf21("7","6","7","3","7","7","6","1") = "6"
    & skf21("7","6","7","3","7","7","7","1") = "6"
    & skf21("7","6","7","4","1","1","1","1") = "6"
    & skf21("7","6","7","4","1","1","2","1") = "6"
    & skf21("7","6","7","4","1","1","3","1") = "6"
    & skf21("7","6","7","4","1","1","4","1") = "6"
    & skf21("7","6","7","4","1","1","5","1") = "6"
    & skf21("7","6","7","4","1","1","6","1") = "6"
    & skf21("7","6","7","4","1","1","7","1") = "6"
    & skf21("7","6","7","4","1","2","1","1") = "6"
    & skf21("7","6","7","4","1","2","2","1") = "6"
    & skf21("7","6","7","4","1","2","3","1") = "6"
    & skf21("7","6","7","4","1","2","4","1") = "6"
    & skf21("7","6","7","4","1","2","5","1") = "6"
    & skf21("7","6","7","4","1","2","6","1") = "6"
    & skf21("7","6","7","4","1","2","7","1") = "6"
    & skf21("7","6","7","4","1","3","1","1") = "6"
    & skf21("7","6","7","4","1","3","2","1") = "6"
    & skf21("7","6","7","4","1","3","3","1") = "6"
    & skf21("7","6","7","4","1","3","4","1") = "6"
    & skf21("7","6","7","4","1","3","5","1") = "6"
    & skf21("7","6","7","4","1","3","6","1") = "6"
    & skf21("7","6","7","4","1","3","7","1") = "6"
    & skf21("7","6","7","4","1","4","1","1") = "6"
    & skf21("7","6","7","4","1","4","2","1") = "6"
    & skf21("7","6","7","4","1","4","3","1") = "6"
    & skf21("7","6","7","4","1","4","4","1") = "6"
    & skf21("7","6","7","4","1","4","5","1") = "6"
    & skf21("7","6","7","4","1","4","6","1") = "6"
    & skf21("7","6","7","4","1","4","7","1") = "6"
    & skf21("7","6","7","4","1","5","1","1") = "6"
    & skf21("7","6","7","4","1","5","2","1") = "6"
    & skf21("7","6","7","4","1","5","3","1") = "6"
    & skf21("7","6","7","4","1","5","4","1") = "6"
    & skf21("7","6","7","4","1","5","5","1") = "6"
    & skf21("7","6","7","4","1","5","6","1") = "6"
    & skf21("7","6","7","4","1","5","7","1") = "6"
    & skf21("7","6","7","4","1","6","1","1") = "6"
    & skf21("7","6","7","4","1","6","2","1") = "6"
    & skf21("7","6","7","4","1","6","3","1") = "6"
    & skf21("7","6","7","4","1","6","4","1") = "6"
    & skf21("7","6","7","4","1","6","5","1") = "6"
    & skf21("7","6","7","4","1","6","6","1") = "6"
    & skf21("7","6","7","4","1","6","7","1") = "6"
    & skf21("7","6","7","4","1","7","1","1") = "6"
    & skf21("7","6","7","4","1","7","2","1") = "6"
    & skf21("7","6","7","4","1","7","3","1") = "6"
    & skf21("7","6","7","4","1","7","4","1") = "6"
    & skf21("7","6","7","4","1","7","5","1") = "6"
    & skf21("7","6","7","4","1","7","6","1") = "6"
    & skf21("7","6","7","4","1","7","7","1") = "6"
    & skf21("7","6","7","4","2","1","1","1") = "6"
    & skf21("7","6","7","4","2","1","2","1") = "6"
    & skf21("7","6","7","4","2","1","3","1") = "6"
    & skf21("7","6","7","4","2","1","4","1") = "6"
    & skf21("7","6","7","4","2","1","5","1") = "6"
    & skf21("7","6","7","4","2","1","6","1") = "6"
    & skf21("7","6","7","4","2","1","7","1") = "6"
    & skf21("7","6","7","4","2","2","1","1") = "6"
    & skf21("7","6","7","4","2","2","2","1") = "6"
    & skf21("7","6","7","4","2","2","3","1") = "6"
    & skf21("7","6","7","4","2","2","4","1") = "6"
    & skf21("7","6","7","4","2","2","5","1") = "6"
    & skf21("7","6","7","4","2","2","6","1") = "6"
    & skf21("7","6","7","4","2","2","7","1") = "6"
    & skf21("7","6","7","4","2","3","1","1") = "6"
    & skf21("7","6","7","4","2","3","2","1") = "6"
    & skf21("7","6","7","4","2","3","3","1") = "6"
    & skf21("7","6","7","4","2","3","4","1") = "6"
    & skf21("7","6","7","4","2","3","5","1") = "6"
    & skf21("7","6","7","4","2","3","6","1") = "6"
    & skf21("7","6","7","4","2","3","7","1") = "6"
    & skf21("7","6","7","4","2","4","1","1") = "6"
    & skf21("7","6","7","4","2","4","2","1") = "6"
    & skf21("7","6","7","4","2","4","3","1") = "6"
    & skf21("7","6","7","4","2","4","4","1") = "6"
    & skf21("7","6","7","4","2","4","5","1") = "6"
    & skf21("7","6","7","4","2","4","6","1") = "6"
    & skf21("7","6","7","4","2","4","7","1") = "6"
    & skf21("7","6","7","4","2","5","1","1") = "6"
    & skf21("7","6","7","4","2","5","2","1") = "6"
    & skf21("7","6","7","4","2","5","3","1") = "6"
    & skf21("7","6","7","4","2","5","4","1") = "6"
    & skf21("7","6","7","4","2","5","5","1") = "6"
    & skf21("7","6","7","4","2","5","6","1") = "6"
    & skf21("7","6","7","4","2","5","7","1") = "6"
    & skf21("7","6","7","4","2","6","1","1") = "6"
    & skf21("7","6","7","4","2","6","2","1") = "6"
    & skf21("7","6","7","4","2","6","3","1") = "6"
    & skf21("7","6","7","4","2","6","4","1") = "6"
    & skf21("7","6","7","4","2","6","5","1") = "6"
    & skf21("7","6","7","4","2","6","6","1") = "6"
    & skf21("7","6","7","4","2","6","7","1") = "6"
    & skf21("7","6","7","4","2","7","1","1") = "6"
    & skf21("7","6","7","4","2","7","2","1") = "6"
    & skf21("7","6","7","4","2","7","3","1") = "6"
    & skf21("7","6","7","4","2","7","4","1") = "6"
    & skf21("7","6","7","4","2","7","5","1") = "6"
    & skf21("7","6","7","4","2","7","6","1") = "6"
    & skf21("7","6","7","4","2","7","7","1") = "6"
    & skf21("7","6","7","4","3","1","1","1") = "6"
    & skf21("7","6","7","4","3","1","2","1") = "6"
    & skf21("7","6","7","4","3","1","3","1") = "6"
    & skf21("7","6","7","4","3","1","4","1") = "6"
    & skf21("7","6","7","4","3","1","5","1") = "6"
    & skf21("7","6","7","4","3","1","6","1") = "6"
    & skf21("7","6","7","4","3","1","7","1") = "6"
    & skf21("7","6","7","4","3","2","1","1") = "6"
    & skf21("7","6","7","4","3","2","2","1") = "6"
    & skf21("7","6","7","4","3","2","3","1") = "6"
    & skf21("7","6","7","4","3","2","4","1") = "6"
    & skf21("7","6","7","4","3","2","5","1") = "6"
    & skf21("7","6","7","4","3","2","6","1") = "6"
    & skf21("7","6","7","4","3","2","7","1") = "6"
    & skf21("7","6","7","4","3","3","1","1") = "6"
    & skf21("7","6","7","4","3","3","2","1") = "6"
    & skf21("7","6","7","4","3","3","3","1") = "6"
    & skf21("7","6","7","4","3","3","4","1") = "6"
    & skf21("7","6","7","4","3","3","5","1") = "6"
    & skf21("7","6","7","4","3","3","6","1") = "6"
    & skf21("7","6","7","4","3","3","7","1") = "6"
    & skf21("7","6","7","4","3","4","1","1") = "6"
    & skf21("7","6","7","4","3","4","2","1") = "6"
    & skf21("7","6","7","4","3","4","3","1") = "6"
    & skf21("7","6","7","4","3","4","4","1") = "6"
    & skf21("7","6","7","4","3","4","5","1") = "6"
    & skf21("7","6","7","4","3","4","6","1") = "6"
    & skf21("7","6","7","4","3","4","7","1") = "6"
    & skf21("7","6","7","4","3","5","1","1") = "6"
    & skf21("7","6","7","4","3","5","2","1") = "6"
    & skf21("7","6","7","4","3","5","3","1") = "6"
    & skf21("7","6","7","4","3","5","4","1") = "6"
    & skf21("7","6","7","4","3","5","5","1") = "6"
    & skf21("7","6","7","4","3","5","6","1") = "6"
    & skf21("7","6","7","4","3","5","7","1") = "6"
    & skf21("7","6","7","4","3","6","1","1") = "6"
    & skf21("7","6","7","4","3","6","2","1") = "6"
    & skf21("7","6","7","4","3","6","3","1") = "6"
    & skf21("7","6","7","4","3","6","4","1") = "6"
    & skf21("7","6","7","4","3","6","5","1") = "6"
    & skf21("7","6","7","4","3","6","6","1") = "6"
    & skf21("7","6","7","4","3","6","7","1") = "6"
    & skf21("7","6","7","4","3","7","1","1") = "6"
    & skf21("7","6","7","4","3","7","2","1") = "6"
    & skf21("7","6","7","4","3","7","3","1") = "6"
    & skf21("7","6","7","4","3","7","4","1") = "6"
    & skf21("7","6","7","4","3","7","5","1") = "6"
    & skf21("7","6","7","4","3","7","6","1") = "6"
    & skf21("7","6","7","4","3","7","7","1") = "6"
    & skf21("7","6","7","4","4","1","1","1") = "6"
    & skf21("7","6","7","4","4","1","2","1") = "6"
    & skf21("7","6","7","4","4","1","3","1") = "6"
    & skf21("7","6","7","4","4","1","4","1") = "6"
    & skf21("7","6","7","4","4","1","5","1") = "6"
    & skf21("7","6","7","4","4","1","6","1") = "6"
    & skf21("7","6","7","4","4","1","7","1") = "6"
    & skf21("7","6","7","4","4","2","1","1") = "6"
    & skf21("7","6","7","4","4","2","2","1") = "6"
    & skf21("7","6","7","4","4","2","3","1") = "6"
    & skf21("7","6","7","4","4","2","4","1") = "6"
    & skf21("7","6","7","4","4","2","5","1") = "6"
    & skf21("7","6","7","4","4","2","6","1") = "6"
    & skf21("7","6","7","4","4","2","7","1") = "6"
    & skf21("7","6","7","4","4","3","1","1") = "6"
    & skf21("7","6","7","4","4","3","2","1") = "6"
    & skf21("7","6","7","4","4","3","3","1") = "6"
    & skf21("7","6","7","4","4","3","4","1") = "6"
    & skf21("7","6","7","4","4","3","5","1") = "6"
    & skf21("7","6","7","4","4","3","6","1") = "6"
    & skf21("7","6","7","4","4","3","7","1") = "6"
    & skf21("7","6","7","4","4","4","1","1") = "6"
    & skf21("7","6","7","4","4","4","2","1") = "6"
    & skf21("7","6","7","4","4","4","3","1") = "6"
    & skf21("7","6","7","4","4","4","4","1") = "6"
    & skf21("7","6","7","4","4","4","5","1") = "6"
    & skf21("7","6","7","4","4","4","6","1") = "6"
    & skf21("7","6","7","4","4","4","7","1") = "6"
    & skf21("7","6","7","4","4","5","1","1") = "6"
    & skf21("7","6","7","4","4","5","2","1") = "6"
    & skf21("7","6","7","4","4","5","3","1") = "6"
    & skf21("7","6","7","4","4","5","4","1") = "6"
    & skf21("7","6","7","4","4","5","5","1") = "6"
    & skf21("7","6","7","4","4","5","6","1") = "6"
    & skf21("7","6","7","4","4","5","7","1") = "6"
    & skf21("7","6","7","4","4","6","1","1") = "6"
    & skf21("7","6","7","4","4","6","2","1") = "6"
    & skf21("7","6","7","4","4","6","3","1") = "6"
    & skf21("7","6","7","4","4","6","4","1") = "6"
    & skf21("7","6","7","4","4","6","5","1") = "6"
    & skf21("7","6","7","4","4","6","6","1") = "6"
    & skf21("7","6","7","4","4","6","7","1") = "6"
    & skf21("7","6","7","4","4","7","1","1") = "6"
    & skf21("7","6","7","4","4","7","2","1") = "6"
    & skf21("7","6","7","4","4","7","3","1") = "6"
    & skf21("7","6","7","4","4","7","4","1") = "6"
    & skf21("7","6","7","4","4","7","5","1") = "6"
    & skf21("7","6","7","4","4","7","6","1") = "6"
    & skf21("7","6","7","4","4","7","7","1") = "6"
    & skf21("7","6","7","4","5","1","1","1") = "6"
    & skf21("7","6","7","4","5","1","2","1") = "6"
    & skf21("7","6","7","4","5","1","3","1") = "6"
    & skf21("7","6","7","4","5","1","4","1") = "6"
    & skf21("7","6","7","4","5","1","5","1") = "6"
    & skf21("7","6","7","4","5","1","6","1") = "6"
    & skf21("7","6","7","4","5","1","7","1") = "6"
    & skf21("7","6","7","4","5","2","1","1") = "6"
    & skf21("7","6","7","4","5","2","2","1") = "6"
    & skf21("7","6","7","4","5","2","3","1") = "6"
    & skf21("7","6","7","4","5","2","4","1") = "6"
    & skf21("7","6","7","4","5","2","5","1") = "6"
    & skf21("7","6","7","4","5","2","6","1") = "6"
    & skf21("7","6","7","4","5","2","7","1") = "6"
    & skf21("7","6","7","4","5","3","1","1") = "6"
    & skf21("7","6","7","4","5","3","2","1") = "6"
    & skf21("7","6","7","4","5","3","3","1") = "6"
    & skf21("7","6","7","4","5","3","4","1") = "6"
    & skf21("7","6","7","4","5","3","5","1") = "6"
    & skf21("7","6","7","4","5","3","6","1") = "6"
    & skf21("7","6","7","4","5","3","7","1") = "6"
    & skf21("7","6","7","4","5","4","1","1") = "6"
    & skf21("7","6","7","4","5","4","2","1") = "6"
    & skf21("7","6","7","4","5","4","3","1") = "6"
    & skf21("7","6","7","4","5","4","4","1") = "6"
    & skf21("7","6","7","4","5","4","5","1") = "6"
    & skf21("7","6","7","4","5","4","6","1") = "6"
    & skf21("7","6","7","4","5","4","7","1") = "6"
    & skf21("7","6","7","4","5","5","1","1") = "6"
    & skf21("7","6","7","4","5","5","2","1") = "6"
    & skf21("7","6","7","4","5","5","3","1") = "6"
    & skf21("7","6","7","4","5","5","4","1") = "6"
    & skf21("7","6","7","4","5","5","5","1") = "6"
    & skf21("7","6","7","4","5","5","6","1") = "6"
    & skf21("7","6","7","4","5","5","7","1") = "6"
    & skf21("7","6","7","4","5","6","1","1") = "6"
    & skf21("7","6","7","4","5","6","2","1") = "6"
    & skf21("7","6","7","4","5","6","3","1") = "6"
    & skf21("7","6","7","4","5","6","4","1") = "6"
    & skf21("7","6","7","4","5","6","5","1") = "6"
    & skf21("7","6","7","4","5","6","6","1") = "6"
    & skf21("7","6","7","4","5","6","7","1") = "6"
    & skf21("7","6","7","4","5","7","1","1") = "6"
    & skf21("7","6","7","4","5","7","2","1") = "6"
    & skf21("7","6","7","4","5","7","3","1") = "6"
    & skf21("7","6","7","4","5","7","4","1") = "6"
    & skf21("7","6","7","4","5","7","5","1") = "6"
    & skf21("7","6","7","4","5","7","6","1") = "6"
    & skf21("7","6","7","4","5","7","7","1") = "6"
    & skf21("7","6","7","4","6","1","1","1") = "6"
    & skf21("7","6","7","4","6","1","2","1") = "6"
    & skf21("7","6","7","4","6","1","3","1") = "6"
    & skf21("7","6","7","4","6","1","4","1") = "6"
    & skf21("7","6","7","4","6","1","5","1") = "6"
    & skf21("7","6","7","4","6","1","6","1") = "6"
    & skf21("7","6","7","4","6","1","7","1") = "6"
    & skf21("7","6","7","4","6","2","1","1") = "6"
    & skf21("7","6","7","4","6","2","2","1") = "6"
    & skf21("7","6","7","4","6","2","3","1") = "6"
    & skf21("7","6","7","4","6","2","4","1") = "6"
    & skf21("7","6","7","4","6","2","5","1") = "6"
    & skf21("7","6","7","4","6","2","6","1") = "6"
    & skf21("7","6","7","4","6","2","7","1") = "6"
    & skf21("7","6","7","4","6","3","1","1") = "6"
    & skf21("7","6","7","4","6","3","2","1") = "6"
    & skf21("7","6","7","4","6","3","3","1") = "6"
    & skf21("7","6","7","4","6","3","4","1") = "6"
    & skf21("7","6","7","4","6","3","5","1") = "6"
    & skf21("7","6","7","4","6","3","6","1") = "6"
    & skf21("7","6","7","4","6","3","7","1") = "6"
    & skf21("7","6","7","4","6","4","1","1") = "6"
    & skf21("7","6","7","4","6","4","2","1") = "6"
    & skf21("7","6","7","4","6","4","3","1") = "6"
    & skf21("7","6","7","4","6","4","4","1") = "6"
    & skf21("7","6","7","4","6","4","5","1") = "6"
    & skf21("7","6","7","4","6","4","6","1") = "6"
    & skf21("7","6","7","4","6","4","7","1") = "6"
    & skf21("7","6","7","4","6","5","1","1") = "6"
    & skf21("7","6","7","4","6","5","2","1") = "6"
    & skf21("7","6","7","4","6","5","3","1") = "6"
    & skf21("7","6","7","4","6","5","4","1") = "6"
    & skf21("7","6","7","4","6","5","5","1") = "6"
    & skf21("7","6","7","4","6","5","6","1") = "6"
    & skf21("7","6","7","4","6","5","7","1") = "6"
    & skf21("7","6","7","4","6","6","1","1") = "6"
    & skf21("7","6","7","4","6","6","2","1") = "6"
    & skf21("7","6","7","4","6","6","3","1") = "6"
    & skf21("7","6","7","4","6","6","4","1") = "6"
    & skf21("7","6","7","4","6","6","5","1") = "6"
    & skf21("7","6","7","4","6","6","6","1") = "6"
    & skf21("7","6","7","4","6","6","7","1") = "6"
    & skf21("7","6","7","4","6","7","1","1") = "6"
    & skf21("7","6","7","4","6","7","2","1") = "6"
    & skf21("7","6","7","4","6","7","3","1") = "6"
    & skf21("7","6","7","4","6","7","4","1") = "6"
    & skf21("7","6","7","4","6","7","5","1") = "6"
    & skf21("7","6","7","4","6","7","6","1") = "6"
    & skf21("7","6","7","4","6","7","7","1") = "6"
    & skf21("7","6","7","4","7","1","1","1") = "6"
    & skf21("7","6","7","4","7","1","2","1") = "6"
    & skf21("7","6","7","4","7","1","3","1") = "6"
    & skf21("7","6","7","4","7","1","4","1") = "6"
    & skf21("7","6","7","4","7","1","5","1") = "6"
    & skf21("7","6","7","4","7","1","6","1") = "6"
    & skf21("7","6","7","4","7","1","7","1") = "6"
    & skf21("7","6","7","4","7","2","1","1") = "6"
    & skf21("7","6","7","4","7","2","2","1") = "6"
    & skf21("7","6","7","4","7","2","3","1") = "6"
    & skf21("7","6","7","4","7","2","4","1") = "6"
    & skf21("7","6","7","4","7","2","5","1") = "6"
    & skf21("7","6","7","4","7","2","6","1") = "6"
    & skf21("7","6","7","4","7","2","7","1") = "6"
    & skf21("7","6","7","4","7","3","1","1") = "6"
    & skf21("7","6","7","4","7","3","2","1") = "6"
    & skf21("7","6","7","4","7","3","3","1") = "6"
    & skf21("7","6","7","4","7","3","4","1") = "6"
    & skf21("7","6","7","4","7","3","5","1") = "6"
    & skf21("7","6","7","4","7","3","6","1") = "6"
    & skf21("7","6","7","4","7","3","7","1") = "6"
    & skf21("7","6","7","4","7","4","1","1") = "6"
    & skf21("7","6","7","4","7","4","2","1") = "6"
    & skf21("7","6","7","4","7","4","3","1") = "6"
    & skf21("7","6","7","4","7","4","4","1") = "6"
    & skf21("7","6","7","4","7","4","5","1") = "6"
    & skf21("7","6","7","4","7","4","6","1") = "6"
    & skf21("7","6","7","4","7","4","7","1") = "6"
    & skf21("7","6","7","4","7","5","1","1") = "6"
    & skf21("7","6","7","4","7","5","2","1") = "6"
    & skf21("7","6","7","4","7","5","3","1") = "6"
    & skf21("7","6","7","4","7","5","4","1") = "6"
    & skf21("7","6","7","4","7","5","5","1") = "6"
    & skf21("7","6","7","4","7","5","6","1") = "6"
    & skf21("7","6","7","4","7","5","7","1") = "6"
    & skf21("7","6","7","4","7","6","1","1") = "6"
    & skf21("7","6","7","4","7","6","2","1") = "6"
    & skf21("7","6","7","4","7","6","3","1") = "6"
    & skf21("7","6","7","4","7","6","4","1") = "6"
    & skf21("7","6","7","4","7","6","5","1") = "6"
    & skf21("7","6","7","4","7","6","6","1") = "6"
    & skf21("7","6","7","4","7","6","7","1") = "6"
    & skf21("7","6","7","4","7","7","1","1") = "6"
    & skf21("7","6","7","4","7","7","2","1") = "6"
    & skf21("7","6","7","4","7","7","3","1") = "6"
    & skf21("7","6","7","4","7","7","4","1") = "6"
    & skf21("7","6","7","4","7","7","5","1") = "6"
    & skf21("7","6","7","4","7","7","6","1") = "6"
    & skf21("7","6","7","4","7","7","7","1") = "6"
    & skf21("7","6","7","5","1","1","1","1") = "6"
    & skf21("7","6","7","5","1","1","2","1") = "6"
    & skf21("7","6","7","5","1","1","3","1") = "6"
    & skf21("7","6","7","5","1","1","4","1") = "6"
    & skf21("7","6","7","5","1","1","5","1") = "6"
    & skf21("7","6","7","5","1","1","6","1") = "6"
    & skf21("7","6","7","5","1","1","7","1") = "6"
    & skf21("7","6","7","5","1","2","1","1") = "6"
    & skf21("7","6","7","5","1","2","2","1") = "6"
    & skf21("7","6","7","5","1","2","3","1") = "6"
    & skf21("7","6","7","5","1","2","4","1") = "6"
    & skf21("7","6","7","5","1","2","5","1") = "6"
    & skf21("7","6","7","5","1","2","6","1") = "6"
    & skf21("7","6","7","5","1","2","7","1") = "6"
    & skf21("7","6","7","5","1","3","1","1") = "6"
    & skf21("7","6","7","5","1","3","2","1") = "6"
    & skf21("7","6","7","5","1","3","3","1") = "6"
    & skf21("7","6","7","5","1","3","4","1") = "6"
    & skf21("7","6","7","5","1","3","5","1") = "6"
    & skf21("7","6","7","5","1","3","6","1") = "6"
    & skf21("7","6","7","5","1","3","7","1") = "6"
    & skf21("7","6","7","5","1","4","1","1") = "6"
    & skf21("7","6","7","5","1","4","2","1") = "6"
    & skf21("7","6","7","5","1","4","3","1") = "6"
    & skf21("7","6","7","5","1","4","4","1") = "6"
    & skf21("7","6","7","5","1","4","5","1") = "6"
    & skf21("7","6","7","5","1","4","6","1") = "6"
    & skf21("7","6","7","5","1","4","7","1") = "6"
    & skf21("7","6","7","5","1","5","1","1") = "6"
    & skf21("7","6","7","5","1","5","2","1") = "6"
    & skf21("7","6","7","5","1","5","3","1") = "6"
    & skf21("7","6","7","5","1","5","4","1") = "6"
    & skf21("7","6","7","5","1","5","5","1") = "6"
    & skf21("7","6","7","5","1","5","6","1") = "6"
    & skf21("7","6","7","5","1","5","7","1") = "6"
    & skf21("7","6","7","5","1","6","1","1") = "6"
    & skf21("7","6","7","5","1","6","2","1") = "6"
    & skf21("7","6","7","5","1","6","3","1") = "6"
    & skf21("7","6","7","5","1","6","4","1") = "6"
    & skf21("7","6","7","5","1","6","5","1") = "6"
    & skf21("7","6","7","5","1","6","6","1") = "6"
    & skf21("7","6","7","5","1","6","7","1") = "6"
    & skf21("7","6","7","5","1","7","1","1") = "6"
    & skf21("7","6","7","5","1","7","2","1") = "6"
    & skf21("7","6","7","5","1","7","3","1") = "6"
    & skf21("7","6","7","5","1","7","4","1") = "6"
    & skf21("7","6","7","5","1","7","5","1") = "6"
    & skf21("7","6","7","5","1","7","6","1") = "6"
    & skf21("7","6","7","5","1","7","7","1") = "6"
    & skf21("7","6","7","5","2","1","1","1") = "6"
    & skf21("7","6","7","5","2","1","2","1") = "6"
    & skf21("7","6","7","5","2","1","3","1") = "6"
    & skf21("7","6","7","5","2","1","4","1") = "6"
    & skf21("7","6","7","5","2","1","5","1") = "6"
    & skf21("7","6","7","5","2","1","6","1") = "6"
    & skf21("7","6","7","5","2","1","7","1") = "6"
    & skf21("7","6","7","5","2","2","1","1") = "6"
    & skf21("7","6","7","5","2","2","2","1") = "6"
    & skf21("7","6","7","5","2","2","3","1") = "6"
    & skf21("7","6","7","5","2","2","4","1") = "6"
    & skf21("7","6","7","5","2","2","5","1") = "6"
    & skf21("7","6","7","5","2","2","6","1") = "6"
    & skf21("7","6","7","5","2","2","7","1") = "6"
    & skf21("7","6","7","5","2","3","1","1") = "6"
    & skf21("7","6","7","5","2","3","2","1") = "6"
    & skf21("7","6","7","5","2","3","3","1") = "6"
    & skf21("7","6","7","5","2","3","4","1") = "6"
    & skf21("7","6","7","5","2","3","5","1") = "6"
    & skf21("7","6","7","5","2","3","6","1") = "6"
    & skf21("7","6","7","5","2","3","7","1") = "6"
    & skf21("7","6","7","5","2","4","1","1") = "6"
    & skf21("7","6","7","5","2","4","2","1") = "6"
    & skf21("7","6","7","5","2","4","3","1") = "6"
    & skf21("7","6","7","5","2","4","4","1") = "6"
    & skf21("7","6","7","5","2","4","5","1") = "6"
    & skf21("7","6","7","5","2","4","6","1") = "6"
    & skf21("7","6","7","5","2","4","7","1") = "6"
    & skf21("7","6","7","5","2","5","1","1") = "6"
    & skf21("7","6","7","5","2","5","2","1") = "6"
    & skf21("7","6","7","5","2","5","3","1") = "6"
    & skf21("7","6","7","5","2","5","4","1") = "6"
    & skf21("7","6","7","5","2","5","5","1") = "6"
    & skf21("7","6","7","5","2","5","6","1") = "6"
    & skf21("7","6","7","5","2","5","7","1") = "6"
    & skf21("7","6","7","5","2","6","1","1") = "6"
    & skf21("7","6","7","5","2","6","2","1") = "6"
    & skf21("7","6","7","5","2","6","3","1") = "6"
    & skf21("7","6","7","5","2","6","4","1") = "6"
    & skf21("7","6","7","5","2","6","5","1") = "6"
    & skf21("7","6","7","5","2","6","6","1") = "6"
    & skf21("7","6","7","5","2","6","7","1") = "6"
    & skf21("7","6","7","5","2","7","1","1") = "6"
    & skf21("7","6","7","5","2","7","2","1") = "6"
    & skf21("7","6","7","5","2","7","3","1") = "6"
    & skf21("7","6","7","5","2","7","4","1") = "6"
    & skf21("7","6","7","5","2","7","5","1") = "6"
    & skf21("7","6","7","5","2","7","6","1") = "6"
    & skf21("7","6","7","5","2","7","7","1") = "6"
    & skf21("7","6","7","5","3","1","1","1") = "6"
    & skf21("7","6","7","5","3","1","2","1") = "6"
    & skf21("7","6","7","5","3","1","3","1") = "6"
    & skf21("7","6","7","5","3","1","4","1") = "6"
    & skf21("7","6","7","5","3","1","5","1") = "6"
    & skf21("7","6","7","5","3","1","6","1") = "6"
    & skf21("7","6","7","5","3","1","7","1") = "6"
    & skf21("7","6","7","5","3","2","1","1") = "6"
    & skf21("7","6","7","5","3","2","2","1") = "6"
    & skf21("7","6","7","5","3","2","3","1") = "6"
    & skf21("7","6","7","5","3","2","4","1") = "6"
    & skf21("7","6","7","5","3","2","5","1") = "6"
    & skf21("7","6","7","5","3","2","6","1") = "6"
    & skf21("7","6","7","5","3","2","7","1") = "6"
    & skf21("7","6","7","5","3","3","1","1") = "6"
    & skf21("7","6","7","5","3","3","2","1") = "6"
    & skf21("7","6","7","5","3","3","3","1") = "6"
    & skf21("7","6","7","5","3","3","4","1") = "6"
    & skf21("7","6","7","5","3","3","5","1") = "6"
    & skf21("7","6","7","5","3","3","6","1") = "6"
    & skf21("7","6","7","5","3","3","7","1") = "6"
    & skf21("7","6","7","5","3","4","1","1") = "6"
    & skf21("7","6","7","5","3","4","2","1") = "6"
    & skf21("7","6","7","5","3","4","3","1") = "6"
    & skf21("7","6","7","5","3","4","4","1") = "6"
    & skf21("7","6","7","5","3","4","5","1") = "6"
    & skf21("7","6","7","5","3","4","6","1") = "6"
    & skf21("7","6","7","5","3","4","7","1") = "6"
    & skf21("7","6","7","5","3","5","1","1") = "6"
    & skf21("7","6","7","5","3","5","2","1") = "6"
    & skf21("7","6","7","5","3","5","3","1") = "6"
    & skf21("7","6","7","5","3","5","4","1") = "6"
    & skf21("7","6","7","5","3","5","5","1") = "6"
    & skf21("7","6","7","5","3","5","6","1") = "6"
    & skf21("7","6","7","5","3","5","7","1") = "6"
    & skf21("7","6","7","5","3","6","1","1") = "6"
    & skf21("7","6","7","5","3","6","2","1") = "6"
    & skf21("7","6","7","5","3","6","3","1") = "6"
    & skf21("7","6","7","5","3","6","4","1") = "6"
    & skf21("7","6","7","5","3","6","5","1") = "6"
    & skf21("7","6","7","5","3","6","6","1") = "6"
    & skf21("7","6","7","5","3","6","7","1") = "6"
    & skf21("7","6","7","5","3","7","1","1") = "6"
    & skf21("7","6","7","5","3","7","2","1") = "6"
    & skf21("7","6","7","5","3","7","3","1") = "6"
    & skf21("7","6","7","5","3","7","4","1") = "6"
    & skf21("7","6","7","5","3","7","5","1") = "6"
    & skf21("7","6","7","5","3","7","6","1") = "6"
    & skf21("7","6","7","5","3","7","7","1") = "6"
    & skf21("7","6","7","5","4","1","1","1") = "6"
    & skf21("7","6","7","5","4","1","2","1") = "6"
    & skf21("7","6","7","5","4","1","3","1") = "6"
    & skf21("7","6","7","5","4","1","4","1") = "6"
    & skf21("7","6","7","5","4","1","5","1") = "6"
    & skf21("7","6","7","5","4","1","6","1") = "6"
    & skf21("7","6","7","5","4","1","7","1") = "6"
    & skf21("7","6","7","5","4","2","1","1") = "6"
    & skf21("7","6","7","5","4","2","2","1") = "6"
    & skf21("7","6","7","5","4","2","3","1") = "6"
    & skf21("7","6","7","5","4","2","4","1") = "6"
    & skf21("7","6","7","5","4","2","5","1") = "6"
    & skf21("7","6","7","5","4","2","6","1") = "6"
    & skf21("7","6","7","5","4","2","7","1") = "6"
    & skf21("7","6","7","5","4","3","1","1") = "6"
    & skf21("7","6","7","5","4","3","2","1") = "6"
    & skf21("7","6","7","5","4","3","3","1") = "6"
    & skf21("7","6","7","5","4","3","4","1") = "6"
    & skf21("7","6","7","5","4","3","5","1") = "6"
    & skf21("7","6","7","5","4","3","6","1") = "6"
    & skf21("7","6","7","5","4","3","7","1") = "6"
    & skf21("7","6","7","5","4","4","1","1") = "6"
    & skf21("7","6","7","5","4","4","2","1") = "6"
    & skf21("7","6","7","5","4","4","3","1") = "6"
    & skf21("7","6","7","5","4","4","4","1") = "6"
    & skf21("7","6","7","5","4","4","5","1") = "6"
    & skf21("7","6","7","5","4","4","6","1") = "6"
    & skf21("7","6","7","5","4","4","7","1") = "6"
    & skf21("7","6","7","5","4","5","1","1") = "6"
    & skf21("7","6","7","5","4","5","2","1") = "6"
    & skf21("7","6","7","5","4","5","3","1") = "6"
    & skf21("7","6","7","5","4","5","4","1") = "6"
    & skf21("7","6","7","5","4","5","5","1") = "6"
    & skf21("7","6","7","5","4","5","6","1") = "6"
    & skf21("7","6","7","5","4","5","7","1") = "6"
    & skf21("7","6","7","5","4","6","1","1") = "6"
    & skf21("7","6","7","5","4","6","2","1") = "6"
    & skf21("7","6","7","5","4","6","3","1") = "6"
    & skf21("7","6","7","5","4","6","4","1") = "6"
    & skf21("7","6","7","5","4","6","5","1") = "6"
    & skf21("7","6","7","5","4","6","6","1") = "6"
    & skf21("7","6","7","5","4","6","7","1") = "6"
    & skf21("7","6","7","5","4","7","1","1") = "6"
    & skf21("7","6","7","5","4","7","2","1") = "6"
    & skf21("7","6","7","5","4","7","3","1") = "6"
    & skf21("7","6","7","5","4","7","4","1") = "6"
    & skf21("7","6","7","5","4","7","5","1") = "6"
    & skf21("7","6","7","5","4","7","6","1") = "6"
    & skf21("7","6","7","5","4","7","7","1") = "6"
    & skf21("7","6","7","5","5","1","1","1") = "6"
    & skf21("7","6","7","5","5","1","2","1") = "6"
    & skf21("7","6","7","5","5","1","3","1") = "6"
    & skf21("7","6","7","5","5","1","4","1") = "6"
    & skf21("7","6","7","5","5","1","5","1") = "6"
    & skf21("7","6","7","5","5","1","6","1") = "6"
    & skf21("7","6","7","5","5","1","7","1") = "6"
    & skf21("7","6","7","5","5","2","1","1") = "6"
    & skf21("7","6","7","5","5","2","2","1") = "6"
    & skf21("7","6","7","5","5","2","3","1") = "6"
    & skf21("7","6","7","5","5","2","4","1") = "6"
    & skf21("7","6","7","5","5","2","5","1") = "6"
    & skf21("7","6","7","5","5","2","6","1") = "6"
    & skf21("7","6","7","5","5","2","7","1") = "6"
    & skf21("7","6","7","5","5","3","1","1") = "6"
    & skf21("7","6","7","5","5","3","2","1") = "6"
    & skf21("7","6","7","5","5","3","3","1") = "6"
    & skf21("7","6","7","5","5","3","4","1") = "6"
    & skf21("7","6","7","5","5","3","5","1") = "6"
    & skf21("7","6","7","5","5","3","6","1") = "6"
    & skf21("7","6","7","5","5","3","7","1") = "6"
    & skf21("7","6","7","5","5","4","1","1") = "6"
    & skf21("7","6","7","5","5","4","2","1") = "6"
    & skf21("7","6","7","5","5","4","3","1") = "6"
    & skf21("7","6","7","5","5","4","4","1") = "6"
    & skf21("7","6","7","5","5","4","5","1") = "6"
    & skf21("7","6","7","5","5","4","6","1") = "6"
    & skf21("7","6","7","5","5","4","7","1") = "6"
    & skf21("7","6","7","5","5","5","1","1") = "6"
    & skf21("7","6","7","5","5","5","2","1") = "6"
    & skf21("7","6","7","5","5","5","3","1") = "6"
    & skf21("7","6","7","5","5","5","4","1") = "6"
    & skf21("7","6","7","5","5","5","5","1") = "6"
    & skf21("7","6","7","5","5","5","6","1") = "6"
    & skf21("7","6","7","5","5","5","7","1") = "6"
    & skf21("7","6","7","5","5","6","1","1") = "6"
    & skf21("7","6","7","5","5","6","2","1") = "6"
    & skf21("7","6","7","5","5","6","3","1") = "6"
    & skf21("7","6","7","5","5","6","4","1") = "6"
    & skf21("7","6","7","5","5","6","5","1") = "6"
    & skf21("7","6","7","5","5","6","6","1") = "6"
    & skf21("7","6","7","5","5","6","7","1") = "6"
    & skf21("7","6","7","5","5","7","1","1") = "6"
    & skf21("7","6","7","5","5","7","2","1") = "6"
    & skf21("7","6","7","5","5","7","3","1") = "6"
    & skf21("7","6","7","5","5","7","4","1") = "6"
    & skf21("7","6","7","5","5","7","5","1") = "6"
    & skf21("7","6","7","5","5","7","6","1") = "6"
    & skf21("7","6","7","5","5","7","7","1") = "6"
    & skf21("7","6","7","5","6","1","1","1") = "6"
    & skf21("7","6","7","5","6","1","2","1") = "6"
    & skf21("7","6","7","5","6","1","3","1") = "6"
    & skf21("7","6","7","5","6","1","4","1") = "6"
    & skf21("7","6","7","5","6","1","5","1") = "6"
    & skf21("7","6","7","5","6","1","6","1") = "6"
    & skf21("7","6","7","5","6","1","7","1") = "6"
    & skf21("7","6","7","5","6","2","1","1") = "6"
    & skf21("7","6","7","5","6","2","2","1") = "6"
    & skf21("7","6","7","5","6","2","3","1") = "6"
    & skf21("7","6","7","5","6","2","4","1") = "6"
    & skf21("7","6","7","5","6","2","5","1") = "6"
    & skf21("7","6","7","5","6","2","6","1") = "6"
    & skf21("7","6","7","5","6","2","7","1") = "6"
    & skf21("7","6","7","5","6","3","1","1") = "6"
    & skf21("7","6","7","5","6","3","2","1") = "6"
    & skf21("7","6","7","5","6","3","3","1") = "6"
    & skf21("7","6","7","5","6","3","4","1") = "6"
    & skf21("7","6","7","5","6","3","5","1") = "6"
    & skf21("7","6","7","5","6","3","6","1") = "6"
    & skf21("7","6","7","5","6","3","7","1") = "6"
    & skf21("7","6","7","5","6","4","1","1") = "6"
    & skf21("7","6","7","5","6","4","2","1") = "6"
    & skf21("7","6","7","5","6","4","3","1") = "6"
    & skf21("7","6","7","5","6","4","4","1") = "6"
    & skf21("7","6","7","5","6","4","5","1") = "6"
    & skf21("7","6","7","5","6","4","6","1") = "6"
    & skf21("7","6","7","5","6","4","7","1") = "6"
    & skf21("7","6","7","5","6","5","1","1") = "6"
    & skf21("7","6","7","5","6","5","2","1") = "6"
    & skf21("7","6","7","5","6","5","3","1") = "6"
    & skf21("7","6","7","5","6","5","4","1") = "6"
    & skf21("7","6","7","5","6","5","5","1") = "6"
    & skf21("7","6","7","5","6","5","6","1") = "6"
    & skf21("7","6","7","5","6","5","7","1") = "6"
    & skf21("7","6","7","5","6","6","1","1") = "6"
    & skf21("7","6","7","5","6","6","2","1") = "6"
    & skf21("7","6","7","5","6","6","3","1") = "6"
    & skf21("7","6","7","5","6","6","4","1") = "6"
    & skf21("7","6","7","5","6","6","5","1") = "6"
    & skf21("7","6","7","5","6","6","6","1") = "6"
    & skf21("7","6","7","5","6","6","7","1") = "6"
    & skf21("7","6","7","5","6","7","1","1") = "6"
    & skf21("7","6","7","5","6","7","2","1") = "6"
    & skf21("7","6","7","5","6","7","3","1") = "6"
    & skf21("7","6","7","5","6","7","4","1") = "6"
    & skf21("7","6","7","5","6","7","5","1") = "6"
    & skf21("7","6","7","5","6","7","6","1") = "6"
    & skf21("7","6","7","5","6","7","7","1") = "6"
    & skf21("7","6","7","5","7","1","1","1") = "6"
    & skf21("7","6","7","5","7","1","2","1") = "6"
    & skf21("7","6","7","5","7","1","3","1") = "6"
    & skf21("7","6","7","5","7","1","4","1") = "6"
    & skf21("7","6","7","5","7","1","5","1") = "6"
    & skf21("7","6","7","5","7","1","6","1") = "6"
    & skf21("7","6","7","5","7","1","7","1") = "6"
    & skf21("7","6","7","5","7","2","1","1") = "6"
    & skf21("7","6","7","5","7","2","2","1") = "6"
    & skf21("7","6","7","5","7","2","3","1") = "6"
    & skf21("7","6","7","5","7","2","4","1") = "6"
    & skf21("7","6","7","5","7","2","5","1") = "6"
    & skf21("7","6","7","5","7","2","6","1") = "6"
    & skf21("7","6","7","5","7","2","7","1") = "6"
    & skf21("7","6","7","5","7","3","1","1") = "6"
    & skf21("7","6","7","5","7","3","2","1") = "6"
    & skf21("7","6","7","5","7","3","3","1") = "6"
    & skf21("7","6","7","5","7","3","4","1") = "6"
    & skf21("7","6","7","5","7","3","5","1") = "6"
    & skf21("7","6","7","5","7","3","6","1") = "6"
    & skf21("7","6","7","5","7","3","7","1") = "6"
    & skf21("7","6","7","5","7","4","1","1") = "6"
    & skf21("7","6","7","5","7","4","2","1") = "6"
    & skf21("7","6","7","5","7","4","3","1") = "6"
    & skf21("7","6","7","5","7","4","4","1") = "6"
    & skf21("7","6","7","5","7","4","5","1") = "6"
    & skf21("7","6","7","5","7","4","6","1") = "6"
    & skf21("7","6","7","5","7","4","7","1") = "6"
    & skf21("7","6","7","5","7","5","1","1") = "6"
    & skf21("7","6","7","5","7","5","2","1") = "6"
    & skf21("7","6","7","5","7","5","3","1") = "6"
    & skf21("7","6","7","5","7","5","4","1") = "6"
    & skf21("7","6","7","5","7","5","5","1") = "6"
    & skf21("7","6","7","5","7","5","6","1") = "6"
    & skf21("7","6","7","5","7","5","7","1") = "6"
    & skf21("7","6","7","5","7","6","1","1") = "6"
    & skf21("7","6","7","5","7","6","2","1") = "6"
    & skf21("7","6","7","5","7","6","3","1") = "6"
    & skf21("7","6","7","5","7","6","4","1") = "6"
    & skf21("7","6","7","5","7","6","5","1") = "6"
    & skf21("7","6","7","5","7","6","6","1") = "6"
    & skf21("7","6","7","5","7","6","7","1") = "6"
    & skf21("7","6","7","5","7","7","1","1") = "6"
    & skf21("7","6","7","5","7","7","2","1") = "6"
    & skf21("7","6","7","5","7","7","3","1") = "6"
    & skf21("7","6","7","5","7","7","4","1") = "6"
    & skf21("7","6","7","5","7","7","5","1") = "6"
    & skf21("7","6","7","5","7","7","6","1") = "6"
    & skf21("7","6","7","5","7","7","7","1") = "6"
    & skf21("7","6","7","6","1","1","1","1") = "6"
    & skf21("7","6","7","6","1","1","2","1") = "6"
    & skf21("7","6","7","6","1","1","3","1") = "6"
    & skf21("7","6","7","6","1","1","4","1") = "6"
    & skf21("7","6","7","6","1","1","5","1") = "6"
    & skf21("7","6","7","6","1","1","6","1") = "6"
    & skf21("7","6","7","6","1","1","7","1") = "6"
    & skf21("7","6","7","6","1","2","1","1") = "6"
    & skf21("7","6","7","6","1","2","2","1") = "6"
    & skf21("7","6","7","6","1","2","3","1") = "6"
    & skf21("7","6","7","6","1","2","4","1") = "6"
    & skf21("7","6","7","6","1","2","5","1") = "6"
    & skf21("7","6","7","6","1","2","6","1") = "6"
    & skf21("7","6","7","6","1","2","7","1") = "6"
    & skf21("7","6","7","6","1","3","1","1") = "6"
    & skf21("7","6","7","6","1","3","2","1") = "6"
    & skf21("7","6","7","6","1","3","3","1") = "6"
    & skf21("7","6","7","6","1","3","4","1") = "6"
    & skf21("7","6","7","6","1","3","5","1") = "6"
    & skf21("7","6","7","6","1","3","6","1") = "6"
    & skf21("7","6","7","6","1","3","7","1") = "6"
    & skf21("7","6","7","6","1","4","1","1") = "6"
    & skf21("7","6","7","6","1","4","2","1") = "6"
    & skf21("7","6","7","6","1","4","3","1") = "6"
    & skf21("7","6","7","6","1","4","4","1") = "6"
    & skf21("7","6","7","6","1","4","5","1") = "6"
    & skf21("7","6","7","6","1","4","6","1") = "6"
    & skf21("7","6","7","6","1","4","7","1") = "6"
    & skf21("7","6","7","6","1","5","1","1") = "6"
    & skf21("7","6","7","6","1","5","2","1") = "6"
    & skf21("7","6","7","6","1","5","3","1") = "6"
    & skf21("7","6","7","6","1","5","4","1") = "6"
    & skf21("7","6","7","6","1","5","5","1") = "6"
    & skf21("7","6","7","6","1","5","6","1") = "6"
    & skf21("7","6","7","6","1","5","7","1") = "6"
    & skf21("7","6","7","6","1","6","1","1") = "6"
    & skf21("7","6","7","6","1","6","2","1") = "6"
    & skf21("7","6","7","6","1","6","3","1") = "6"
    & skf21("7","6","7","6","1","6","4","1") = "6"
    & skf21("7","6","7","6","1","6","5","1") = "6"
    & skf21("7","6","7","6","1","6","6","1") = "6"
    & skf21("7","6","7","6","1","6","7","1") = "6"
    & skf21("7","6","7","6","1","7","1","1") = "6"
    & skf21("7","6","7","6","1","7","2","1") = "6"
    & skf21("7","6","7","6","1","7","3","1") = "6"
    & skf21("7","6","7","6","1","7","4","1") = "6"
    & skf21("7","6","7","6","1","7","5","1") = "6"
    & skf21("7","6","7","6","1","7","6","1") = "6"
    & skf21("7","6","7","6","1","7","7","1") = "6"
    & skf21("7","6","7","6","2","1","1","1") = "6"
    & skf21("7","6","7","6","2","1","2","1") = "6"
    & skf21("7","6","7","6","2","1","3","1") = "6"
    & skf21("7","6","7","6","2","1","4","1") = "6"
    & skf21("7","6","7","6","2","1","5","1") = "6"
    & skf21("7","6","7","6","2","1","6","1") = "6"
    & skf21("7","6","7","6","2","1","7","1") = "6"
    & skf21("7","6","7","6","2","2","1","1") = "6"
    & skf21("7","6","7","6","2","2","2","1") = "6"
    & skf21("7","6","7","6","2","2","3","1") = "6"
    & skf21("7","6","7","6","2","2","4","1") = "6"
    & skf21("7","6","7","6","2","2","5","1") = "6"
    & skf21("7","6","7","6","2","2","6","1") = "6"
    & skf21("7","6","7","6","2","2","7","1") = "6"
    & skf21("7","6","7","6","2","3","1","1") = "6"
    & skf21("7","6","7","6","2","3","2","1") = "6"
    & skf21("7","6","7","6","2","3","3","1") = "6"
    & skf21("7","6","7","6","2","3","4","1") = "6"
    & skf21("7","6","7","6","2","3","5","1") = "6"
    & skf21("7","6","7","6","2","3","6","1") = "6"
    & skf21("7","6","7","6","2","3","7","1") = "6"
    & skf21("7","6","7","6","2","4","1","1") = "6"
    & skf21("7","6","7","6","2","4","2","1") = "6"
    & skf21("7","6","7","6","2","4","3","1") = "6"
    & skf21("7","6","7","6","2","4","4","1") = "6"
    & skf21("7","6","7","6","2","4","5","1") = "6"
    & skf21("7","6","7","6","2","4","6","1") = "6"
    & skf21("7","6","7","6","2","4","7","1") = "6"
    & skf21("7","6","7","6","2","5","1","1") = "6"
    & skf21("7","6","7","6","2","5","2","1") = "6"
    & skf21("7","6","7","6","2","5","3","1") = "6"
    & skf21("7","6","7","6","2","5","4","1") = "6"
    & skf21("7","6","7","6","2","5","5","1") = "6"
    & skf21("7","6","7","6","2","5","6","1") = "6"
    & skf21("7","6","7","6","2","5","7","1") = "6"
    & skf21("7","6","7","6","2","6","1","1") = "6"
    & skf21("7","6","7","6","2","6","2","1") = "6"
    & skf21("7","6","7","6","2","6","3","1") = "6"
    & skf21("7","6","7","6","2","6","4","1") = "6"
    & skf21("7","6","7","6","2","6","5","1") = "6"
    & skf21("7","6","7","6","2","6","6","1") = "6"
    & skf21("7","6","7","6","2","6","7","1") = "6"
    & skf21("7","6","7","6","2","7","1","1") = "6"
    & skf21("7","6","7","6","2","7","2","1") = "6"
    & skf21("7","6","7","6","2","7","3","1") = "6"
    & skf21("7","6","7","6","2","7","4","1") = "6"
    & skf21("7","6","7","6","2","7","5","1") = "6"
    & skf21("7","6","7","6","2","7","6","1") = "6"
    & skf21("7","6","7","6","2","7","7","1") = "6"
    & skf21("7","6","7","6","3","1","1","1") = "6"
    & skf21("7","6","7","6","3","1","2","1") = "6"
    & skf21("7","6","7","6","3","1","3","1") = "6"
    & skf21("7","6","7","6","3","1","4","1") = "6"
    & skf21("7","6","7","6","3","1","5","1") = "6"
    & skf21("7","6","7","6","3","1","6","1") = "6"
    & skf21("7","6","7","6","3","1","7","1") = "6"
    & skf21("7","6","7","6","3","2","1","1") = "6"
    & skf21("7","6","7","6","3","2","2","1") = "6"
    & skf21("7","6","7","6","3","2","3","1") = "6"
    & skf21("7","6","7","6","3","2","4","1") = "6"
    & skf21("7","6","7","6","3","2","5","1") = "6"
    & skf21("7","6","7","6","3","2","6","1") = "6"
    & skf21("7","6","7","6","3","2","7","1") = "6"
    & skf21("7","6","7","6","3","3","1","1") = "6"
    & skf21("7","6","7","6","3","3","2","1") = "6"
    & skf21("7","6","7","6","3","3","3","1") = "6"
    & skf21("7","6","7","6","3","3","4","1") = "6"
    & skf21("7","6","7","6","3","3","5","1") = "6"
    & skf21("7","6","7","6","3","3","6","1") = "6"
    & skf21("7","6","7","6","3","3","7","1") = "6"
    & skf21("7","6","7","6","3","4","1","1") = "6"
    & skf21("7","6","7","6","3","4","2","1") = "6"
    & skf21("7","6","7","6","3","4","3","1") = "6"
    & skf21("7","6","7","6","3","4","4","1") = "6"
    & skf21("7","6","7","6","3","4","5","1") = "6"
    & skf21("7","6","7","6","3","4","6","1") = "6"
    & skf21("7","6","7","6","3","4","7","1") = "6"
    & skf21("7","6","7","6","3","5","1","1") = "6"
    & skf21("7","6","7","6","3","5","2","1") = "6"
    & skf21("7","6","7","6","3","5","3","1") = "6"
    & skf21("7","6","7","6","3","5","4","1") = "6"
    & skf21("7","6","7","6","3","5","5","1") = "6"
    & skf21("7","6","7","6","3","5","6","1") = "6"
    & skf21("7","6","7","6","3","5","7","1") = "6"
    & skf21("7","6","7","6","3","6","1","1") = "6"
    & skf21("7","6","7","6","3","6","2","1") = "6"
    & skf21("7","6","7","6","3","6","3","1") = "6"
    & skf21("7","6","7","6","3","6","4","1") = "6"
    & skf21("7","6","7","6","3","6","5","1") = "6"
    & skf21("7","6","7","6","3","6","6","1") = "6"
    & skf21("7","6","7","6","3","6","7","1") = "6"
    & skf21("7","6","7","6","3","7","1","1") = "6"
    & skf21("7","6","7","6","3","7","2","1") = "6"
    & skf21("7","6","7","6","3","7","3","1") = "6"
    & skf21("7","6","7","6","3","7","4","1") = "6"
    & skf21("7","6","7","6","3","7","5","1") = "6"
    & skf21("7","6","7","6","3","7","6","1") = "6"
    & skf21("7","6","7","6","3","7","7","1") = "6"
    & skf21("7","6","7","6","4","1","1","1") = "6"
    & skf21("7","6","7","6","4","1","2","1") = "6"
    & skf21("7","6","7","6","4","1","3","1") = "6"
    & skf21("7","6","7","6","4","1","4","1") = "6"
    & skf21("7","6","7","6","4","1","5","1") = "6"
    & skf21("7","6","7","6","4","1","6","1") = "6"
    & skf21("7","6","7","6","4","1","7","1") = "6"
    & skf21("7","6","7","6","4","2","1","1") = "6"
    & skf21("7","6","7","6","4","2","2","1") = "6"
    & skf21("7","6","7","6","4","2","3","1") = "6"
    & skf21("7","6","7","6","4","2","4","1") = "6"
    & skf21("7","6","7","6","4","2","5","1") = "6"
    & skf21("7","6","7","6","4","2","6","1") = "6"
    & skf21("7","6","7","6","4","2","7","1") = "6"
    & skf21("7","6","7","6","4","3","1","1") = "6"
    & skf21("7","6","7","6","4","3","2","1") = "6"
    & skf21("7","6","7","6","4","3","3","1") = "6"
    & skf21("7","6","7","6","4","3","4","1") = "6"
    & skf21("7","6","7","6","4","3","5","1") = "6"
    & skf21("7","6","7","6","4","3","6","1") = "6"
    & skf21("7","6","7","6","4","3","7","1") = "6"
    & skf21("7","6","7","6","4","4","1","1") = "6"
    & skf21("7","6","7","6","4","4","2","1") = "6"
    & skf21("7","6","7","6","4","4","3","1") = "6"
    & skf21("7","6","7","6","4","4","4","1") = "6"
    & skf21("7","6","7","6","4","4","5","1") = "6"
    & skf21("7","6","7","6","4","4","6","1") = "6"
    & skf21("7","6","7","6","4","4","7","1") = "6"
    & skf21("7","6","7","6","4","5","1","1") = "6"
    & skf21("7","6","7","6","4","5","2","1") = "6"
    & skf21("7","6","7","6","4","5","3","1") = "6"
    & skf21("7","6","7","6","4","5","4","1") = "6"
    & skf21("7","6","7","6","4","5","5","1") = "6"
    & skf21("7","6","7","6","4","5","6","1") = "6"
    & skf21("7","6","7","6","4","5","7","1") = "6"
    & skf21("7","6","7","6","4","6","1","1") = "6"
    & skf21("7","6","7","6","4","6","2","1") = "6"
    & skf21("7","6","7","6","4","6","3","1") = "6"
    & skf21("7","6","7","6","4","6","4","1") = "6"
    & skf21("7","6","7","6","4","6","5","1") = "6"
    & skf21("7","6","7","6","4","6","6","1") = "6"
    & skf21("7","6","7","6","4","6","7","1") = "6"
    & skf21("7","6","7","6","4","7","1","1") = "6"
    & skf21("7","6","7","6","4","7","2","1") = "6"
    & skf21("7","6","7","6","4","7","3","1") = "6"
    & skf21("7","6","7","6","4","7","4","1") = "6"
    & skf21("7","6","7","6","4","7","5","1") = "6"
    & skf21("7","6","7","6","4","7","6","1") = "6"
    & skf21("7","6","7","6","4","7","7","1") = "6"
    & skf21("7","6","7","6","5","1","1","1") = "6"
    & skf21("7","6","7","6","5","1","2","1") = "6"
    & skf21("7","6","7","6","5","1","3","1") = "6"
    & skf21("7","6","7","6","5","1","4","1") = "6"
    & skf21("7","6","7","6","5","1","5","1") = "6"
    & skf21("7","6","7","6","5","1","6","1") = "6"
    & skf21("7","6","7","6","5","1","7","1") = "6"
    & skf21("7","6","7","6","5","2","1","1") = "6"
    & skf21("7","6","7","6","5","2","2","1") = "6"
    & skf21("7","6","7","6","5","2","3","1") = "6"
    & skf21("7","6","7","6","5","2","4","1") = "6"
    & skf21("7","6","7","6","5","2","5","1") = "6"
    & skf21("7","6","7","6","5","2","6","1") = "6"
    & skf21("7","6","7","6","5","2","7","1") = "6"
    & skf21("7","6","7","6","5","3","1","1") = "6"
    & skf21("7","6","7","6","5","3","2","1") = "6"
    & skf21("7","6","7","6","5","3","3","1") = "6"
    & skf21("7","6","7","6","5","3","4","1") = "6"
    & skf21("7","6","7","6","5","3","5","1") = "6"
    & skf21("7","6","7","6","5","3","6","1") = "6"
    & skf21("7","6","7","6","5","3","7","1") = "6"
    & skf21("7","6","7","6","5","4","1","1") = "6"
    & skf21("7","6","7","6","5","4","2","1") = "6"
    & skf21("7","6","7","6","5","4","3","1") = "6"
    & skf21("7","6","7","6","5","4","4","1") = "6"
    & skf21("7","6","7","6","5","4","5","1") = "6"
    & skf21("7","6","7","6","5","4","6","1") = "6"
    & skf21("7","6","7","6","5","4","7","1") = "6"
    & skf21("7","6","7","6","5","5","1","1") = "6"
    & skf21("7","6","7","6","5","5","2","1") = "6"
    & skf21("7","6","7","6","5","5","3","1") = "6"
    & skf21("7","6","7","6","5","5","4","1") = "6"
    & skf21("7","6","7","6","5","5","5","1") = "6"
    & skf21("7","6","7","6","5","5","6","1") = "6"
    & skf21("7","6","7","6","5","5","7","1") = "6"
    & skf21("7","6","7","6","5","6","1","1") = "6"
    & skf21("7","6","7","6","5","6","2","1") = "6"
    & skf21("7","6","7","6","5","6","3","1") = "6"
    & skf21("7","6","7","6","5","6","4","1") = "6"
    & skf21("7","6","7","6","5","6","5","1") = "6"
    & skf21("7","6","7","6","5","6","6","1") = "6"
    & skf21("7","6","7","6","5","6","7","1") = "6"
    & skf21("7","6","7","6","5","7","1","1") = "6"
    & skf21("7","6","7","6","5","7","2","1") = "6"
    & skf21("7","6","7","6","5","7","3","1") = "6"
    & skf21("7","6","7","6","5","7","4","1") = "6"
    & skf21("7","6","7","6","5","7","5","1") = "6"
    & skf21("7","6","7","6","5","7","6","1") = "6"
    & skf21("7","6","7","6","5","7","7","1") = "6"
    & skf21("7","6","7","6","6","1","1","1") = "6"
    & skf21("7","6","7","6","6","1","2","1") = "6"
    & skf21("7","6","7","6","6","1","3","1") = "6"
    & skf21("7","6","7","6","6","1","4","1") = "6"
    & skf21("7","6","7","6","6","1","5","1") = "6"
    & skf21("7","6","7","6","6","1","6","1") = "6"
    & skf21("7","6","7","6","6","1","7","1") = "6"
    & skf21("7","6","7","6","6","2","1","1") = "6"
    & skf21("7","6","7","6","6","2","2","1") = "6"
    & skf21("7","6","7","6","6","2","3","1") = "6"
    & skf21("7","6","7","6","6","2","4","1") = "6"
    & skf21("7","6","7","6","6","2","5","1") = "6"
    & skf21("7","6","7","6","6","2","6","1") = "6"
    & skf21("7","6","7","6","6","2","7","1") = "6"
    & skf21("7","6","7","6","6","3","1","1") = "6"
    & skf21("7","6","7","6","6","3","2","1") = "6"
    & skf21("7","6","7","6","6","3","3","1") = "6"
    & skf21("7","6","7","6","6","3","4","1") = "6"
    & skf21("7","6","7","6","6","3","5","1") = "6"
    & skf21("7","6","7","6","6","3","6","1") = "6"
    & skf21("7","6","7","6","6","3","7","1") = "6"
    & skf21("7","6","7","6","6","4","1","1") = "6"
    & skf21("7","6","7","6","6","4","2","1") = "6"
    & skf21("7","6","7","6","6","4","3","1") = "6"
    & skf21("7","6","7","6","6","4","4","1") = "6"
    & skf21("7","6","7","6","6","4","5","1") = "6"
    & skf21("7","6","7","6","6","4","6","1") = "6"
    & skf21("7","6","7","6","6","4","7","1") = "6"
    & skf21("7","6","7","6","6","5","1","1") = "6"
    & skf21("7","6","7","6","6","5","2","1") = "6"
    & skf21("7","6","7","6","6","5","3","1") = "6"
    & skf21("7","6","7","6","6","5","4","1") = "6"
    & skf21("7","6","7","6","6","5","5","1") = "6"
    & skf21("7","6","7","6","6","5","6","1") = "6"
    & skf21("7","6","7","6","6","5","7","1") = "6"
    & skf21("7","6","7","6","6","6","1","1") = "6"
    & skf21("7","6","7","6","6","6","2","1") = "6"
    & skf21("7","6","7","6","6","6","3","1") = "6"
    & skf21("7","6","7","6","6","6","4","1") = "6"
    & skf21("7","6","7","6","6","6","5","1") = "6"
    & skf21("7","6","7","6","6","6","6","1") = "6"
    & skf21("7","6","7","6","6","6","7","1") = "6"
    & skf21("7","6","7","6","6","7","1","1") = "6"
    & skf21("7","6","7","6","6","7","2","1") = "6"
    & skf21("7","6","7","6","6","7","3","1") = "6"
    & skf21("7","6","7","6","6","7","4","1") = "6"
    & skf21("7","6","7","6","6","7","5","1") = "6"
    & skf21("7","6","7","6","6","7","6","1") = "6"
    & skf21("7","6","7","6","6","7","7","1") = "6"
    & skf21("7","6","7","6","7","1","1","1") = "6"
    & skf21("7","6","7","6","7","1","2","1") = "6"
    & skf21("7","6","7","6","7","1","3","1") = "6"
    & skf21("7","6","7","6","7","1","4","1") = "6"
    & skf21("7","6","7","6","7","1","5","1") = "6"
    & skf21("7","6","7","6","7","1","6","1") = "6"
    & skf21("7","6","7","6","7","1","7","1") = "6"
    & skf21("7","6","7","6","7","2","1","1") = "6"
    & skf21("7","6","7","6","7","2","2","1") = "6"
    & skf21("7","6","7","6","7","2","3","1") = "6"
    & skf21("7","6","7","6","7","2","4","1") = "6"
    & skf21("7","6","7","6","7","2","5","1") = "6"
    & skf21("7","6","7","6","7","2","6","1") = "6"
    & skf21("7","6","7","6","7","2","7","1") = "6"
    & skf21("7","6","7","6","7","3","1","1") = "6"
    & skf21("7","6","7","6","7","3","2","1") = "6"
    & skf21("7","6","7","6","7","3","3","1") = "6"
    & skf21("7","6","7","6","7","3","4","1") = "6"
    & skf21("7","6","7","6","7","3","5","1") = "6"
    & skf21("7","6","7","6","7","3","6","1") = "6"
    & skf21("7","6","7","6","7","3","7","1") = "6"
    & skf21("7","6","7","6","7","4","1","1") = "6"
    & skf21("7","6","7","6","7","4","2","1") = "6"
    & skf21("7","6","7","6","7","4","3","1") = "6"
    & skf21("7","6","7","6","7","4","4","1") = "6"
    & skf21("7","6","7","6","7","4","5","1") = "6"
    & skf21("7","6","7","6","7","4","6","1") = "6"
    & skf21("7","6","7","6","7","4","7","1") = "6"
    & skf21("7","6","7","6","7","5","1","1") = "6"
    & skf21("7","6","7","6","7","5","2","1") = "6"
    & skf21("7","6","7","6","7","5","3","1") = "6"
    & skf21("7","6","7","6","7","5","4","1") = "6"
    & skf21("7","6","7","6","7","5","5","1") = "6"
    & skf21("7","6","7","6","7","5","6","1") = "6"
    & skf21("7","6","7","6","7","5","7","1") = "6"
    & skf21("7","6","7","6","7","6","1","1") = "6"
    & skf21("7","6","7","6","7","6","2","1") = "6"
    & skf21("7","6","7","6","7","6","3","1") = "6"
    & skf21("7","6","7","6","7","6","4","1") = "6"
    & skf21("7","6","7","6","7","6","5","1") = "6"
    & skf21("7","6","7","6","7","6","6","1") = "6"
    & skf21("7","6","7","6","7","6","7","1") = "6"
    & skf21("7","6","7","6","7","7","1","1") = "6"
    & skf21("7","6","7","6","7","7","2","1") = "6"
    & skf21("7","6","7","6","7","7","3","1") = "6"
    & skf21("7","6","7","6","7","7","4","1") = "6"
    & skf21("7","6","7","6","7","7","5","1") = "6"
    & skf21("7","6","7","6","7","7","6","1") = "6"
    & skf21("7","6","7","6","7","7","7","1") = "6"
    & skf21("7","6","7","7","1","1","1","1") = "6"
    & skf21("7","6","7","7","1","1","2","1") = "6"
    & skf21("7","6","7","7","1","1","3","1") = "6"
    & skf21("7","6","7","7","1","1","4","1") = "6"
    & skf21("7","6","7","7","1","1","5","1") = "6"
    & skf21("7","6","7","7","1","1","6","1") = "6"
    & skf21("7","6","7","7","1","1","7","1") = "6"
    & skf21("7","6","7","7","1","2","1","1") = "6"
    & skf21("7","6","7","7","1","2","2","1") = "6"
    & skf21("7","6","7","7","1","2","3","1") = "6"
    & skf21("7","6","7","7","1","2","4","1") = "6"
    & skf21("7","6","7","7","1","2","5","1") = "6"
    & skf21("7","6","7","7","1","2","6","1") = "6"
    & skf21("7","6","7","7","1","2","7","1") = "6"
    & skf21("7","6","7","7","1","3","1","1") = "6"
    & skf21("7","6","7","7","1","3","2","1") = "6"
    & skf21("7","6","7","7","1","3","3","1") = "6"
    & skf21("7","6","7","7","1","3","4","1") = "6"
    & skf21("7","6","7","7","1","3","5","1") = "6"
    & skf21("7","6","7","7","1","3","6","1") = "6"
    & skf21("7","6","7","7","1","3","7","1") = "6"
    & skf21("7","6","7","7","1","4","1","1") = "6"
    & skf21("7","6","7","7","1","4","2","1") = "6"
    & skf21("7","6","7","7","1","4","3","1") = "6"
    & skf21("7","6","7","7","1","4","4","1") = "6"
    & skf21("7","6","7","7","1","4","5","1") = "6"
    & skf21("7","6","7","7","1","4","6","1") = "6"
    & skf21("7","6","7","7","1","4","7","1") = "6"
    & skf21("7","6","7","7","1","5","1","1") = "6"
    & skf21("7","6","7","7","1","5","2","1") = "6"
    & skf21("7","6","7","7","1","5","3","1") = "6"
    & skf21("7","6","7","7","1","5","4","1") = "6"
    & skf21("7","6","7","7","1","5","5","1") = "6"
    & skf21("7","6","7","7","1","5","6","1") = "6"
    & skf21("7","6","7","7","1","5","7","1") = "6"
    & skf21("7","6","7","7","1","6","1","1") = "6"
    & skf21("7","6","7","7","1","6","2","1") = "6"
    & skf21("7","6","7","7","1","6","3","1") = "6"
    & skf21("7","6","7","7","1","6","4","1") = "6"
    & skf21("7","6","7","7","1","6","5","1") = "6"
    & skf21("7","6","7","7","1","6","6","1") = "6"
    & skf21("7","6","7","7","1","6","7","1") = "6"
    & skf21("7","6","7","7","1","7","1","1") = "6"
    & skf21("7","6","7","7","1","7","2","1") = "6"
    & skf21("7","6","7","7","1","7","3","1") = "6"
    & skf21("7","6","7","7","1","7","4","1") = "6"
    & skf21("7","6","7","7","1","7","5","1") = "6"
    & skf21("7","6","7","7","1","7","6","1") = "6"
    & skf21("7","6","7","7","1","7","7","1") = "6"
    & skf21("7","6","7","7","2","1","1","1") = "6"
    & skf21("7","6","7","7","2","1","2","1") = "6"
    & skf21("7","6","7","7","2","1","3","1") = "6"
    & skf21("7","6","7","7","2","1","4","1") = "6"
    & skf21("7","6","7","7","2","1","5","1") = "6"
    & skf21("7","6","7","7","2","1","6","1") = "6"
    & skf21("7","6","7","7","2","1","7","1") = "6"
    & skf21("7","6","7","7","2","2","1","1") = "6"
    & skf21("7","6","7","7","2","2","2","1") = "6"
    & skf21("7","6","7","7","2","2","3","1") = "6"
    & skf21("7","6","7","7","2","2","4","1") = "6"
    & skf21("7","6","7","7","2","2","5","1") = "6"
    & skf21("7","6","7","7","2","2","6","1") = "6"
    & skf21("7","6","7","7","2","2","7","1") = "6"
    & skf21("7","6","7","7","2","3","1","1") = "6"
    & skf21("7","6","7","7","2","3","2","1") = "6"
    & skf21("7","6","7","7","2","3","3","1") = "6"
    & skf21("7","6","7","7","2","3","4","1") = "6"
    & skf21("7","6","7","7","2","3","5","1") = "6"
    & skf21("7","6","7","7","2","3","6","1") = "6"
    & skf21("7","6","7","7","2","3","7","1") = "6"
    & skf21("7","6","7","7","2","4","1","1") = "6"
    & skf21("7","6","7","7","2","4","2","1") = "6"
    & skf21("7","6","7","7","2","4","3","1") = "6"
    & skf21("7","6","7","7","2","4","4","1") = "6"
    & skf21("7","6","7","7","2","4","5","1") = "6"
    & skf21("7","6","7","7","2","4","6","1") = "6"
    & skf21("7","6","7","7","2","4","7","1") = "6"
    & skf21("7","6","7","7","2","5","1","1") = "6"
    & skf21("7","6","7","7","2","5","2","1") = "6"
    & skf21("7","6","7","7","2","5","3","1") = "6"
    & skf21("7","6","7","7","2","5","4","1") = "6"
    & skf21("7","6","7","7","2","5","5","1") = "6"
    & skf21("7","6","7","7","2","5","6","1") = "6"
    & skf21("7","6","7","7","2","5","7","1") = "6"
    & skf21("7","6","7","7","2","6","1","1") = "6"
    & skf21("7","6","7","7","2","6","2","1") = "6"
    & skf21("7","6","7","7","2","6","3","1") = "6"
    & skf21("7","6","7","7","2","6","4","1") = "6"
    & skf21("7","6","7","7","2","6","5","1") = "6"
    & skf21("7","6","7","7","2","6","6","1") = "6"
    & skf21("7","6","7","7","2","6","7","1") = "6"
    & skf21("7","6","7","7","2","7","1","1") = "6"
    & skf21("7","6","7","7","2","7","2","1") = "6"
    & skf21("7","6","7","7","2","7","3","1") = "6"
    & skf21("7","6","7","7","2","7","4","1") = "6"
    & skf21("7","6","7","7","2","7","5","1") = "6"
    & skf21("7","6","7","7","2","7","6","1") = "6"
    & skf21("7","6","7","7","2","7","7","1") = "6"
    & skf21("7","6","7","7","3","1","1","1") = "6"
    & skf21("7","6","7","7","3","1","2","1") = "6"
    & skf21("7","6","7","7","3","1","3","1") = "6"
    & skf21("7","6","7","7","3","1","4","1") = "6"
    & skf21("7","6","7","7","3","1","5","1") = "6"
    & skf21("7","6","7","7","3","1","6","1") = "6"
    & skf21("7","6","7","7","3","1","7","1") = "6"
    & skf21("7","6","7","7","3","2","1","1") = "6"
    & skf21("7","6","7","7","3","2","2","1") = "6"
    & skf21("7","6","7","7","3","2","3","1") = "6"
    & skf21("7","6","7","7","3","2","4","1") = "6"
    & skf21("7","6","7","7","3","2","5","1") = "6"
    & skf21("7","6","7","7","3","2","6","1") = "6"
    & skf21("7","6","7","7","3","2","7","1") = "6"
    & skf21("7","6","7","7","3","3","1","1") = "6"
    & skf21("7","6","7","7","3","3","2","1") = "6"
    & skf21("7","6","7","7","3","3","3","1") = "6"
    & skf21("7","6","7","7","3","3","4","1") = "6"
    & skf21("7","6","7","7","3","3","5","1") = "6"
    & skf21("7","6","7","7","3","3","6","1") = "6"
    & skf21("7","6","7","7","3","3","7","1") = "6"
    & skf21("7","6","7","7","3","4","1","1") = "6"
    & skf21("7","6","7","7","3","4","2","1") = "6"
    & skf21("7","6","7","7","3","4","3","1") = "6"
    & skf21("7","6","7","7","3","4","4","1") = "6"
    & skf21("7","6","7","7","3","4","5","1") = "6"
    & skf21("7","6","7","7","3","4","6","1") = "6"
    & skf21("7","6","7","7","3","4","7","1") = "6"
    & skf21("7","6","7","7","3","5","1","1") = "6"
    & skf21("7","6","7","7","3","5","2","1") = "6"
    & skf21("7","6","7","7","3","5","3","1") = "6"
    & skf21("7","6","7","7","3","5","4","1") = "6"
    & skf21("7","6","7","7","3","5","5","1") = "6"
    & skf21("7","6","7","7","3","5","6","1") = "6"
    & skf21("7","6","7","7","3","5","7","1") = "6"
    & skf21("7","6","7","7","3","6","1","1") = "6"
    & skf21("7","6","7","7","3","6","2","1") = "6"
    & skf21("7","6","7","7","3","6","3","1") = "6"
    & skf21("7","6","7","7","3","6","4","1") = "6"
    & skf21("7","6","7","7","3","6","5","1") = "6"
    & skf21("7","6","7","7","3","6","6","1") = "6"
    & skf21("7","6","7","7","3","6","7","1") = "6"
    & skf21("7","6","7","7","3","7","1","1") = "6"
    & skf21("7","6","7","7","3","7","2","1") = "6"
    & skf21("7","6","7","7","3","7","3","1") = "6"
    & skf21("7","6","7","7","3","7","4","1") = "6"
    & skf21("7","6","7","7","3","7","5","1") = "6"
    & skf21("7","6","7","7","3","7","6","1") = "6"
    & skf21("7","6","7","7","3","7","7","1") = "6"
    & skf21("7","6","7","7","4","1","1","1") = "6"
    & skf21("7","6","7","7","4","1","2","1") = "6"
    & skf21("7","6","7","7","4","1","3","1") = "6"
    & skf21("7","6","7","7","4","1","4","1") = "6"
    & skf21("7","6","7","7","4","1","5","1") = "6"
    & skf21("7","6","7","7","4","1","6","1") = "6"
    & skf21("7","6","7","7","4","1","7","1") = "6"
    & skf21("7","6","7","7","4","2","1","1") = "6"
    & skf21("7","6","7","7","4","2","2","1") = "6"
    & skf21("7","6","7","7","4","2","3","1") = "6"
    & skf21("7","6","7","7","4","2","4","1") = "6"
    & skf21("7","6","7","7","4","2","5","1") = "6"
    & skf21("7","6","7","7","4","2","6","1") = "6"
    & skf21("7","6","7","7","4","2","7","1") = "6"
    & skf21("7","6","7","7","4","3","1","1") = "6"
    & skf21("7","6","7","7","4","3","2","1") = "6"
    & skf21("7","6","7","7","4","3","3","1") = "6"
    & skf21("7","6","7","7","4","3","4","1") = "6"
    & skf21("7","6","7","7","4","3","5","1") = "6"
    & skf21("7","6","7","7","4","3","6","1") = "6"
    & skf21("7","6","7","7","4","3","7","1") = "6"
    & skf21("7","6","7","7","4","4","1","1") = "6"
    & skf21("7","6","7","7","4","4","2","1") = "6"
    & skf21("7","6","7","7","4","4","3","1") = "6"
    & skf21("7","6","7","7","4","4","4","1") = "6"
    & skf21("7","6","7","7","4","4","5","1") = "6"
    & skf21("7","6","7","7","4","4","6","1") = "6"
    & skf21("7","6","7","7","4","4","7","1") = "6"
    & skf21("7","6","7","7","4","5","1","1") = "6"
    & skf21("7","6","7","7","4","5","2","1") = "6"
    & skf21("7","6","7","7","4","5","3","1") = "6"
    & skf21("7","6","7","7","4","5","4","1") = "6"
    & skf21("7","6","7","7","4","5","5","1") = "6"
    & skf21("7","6","7","7","4","5","6","1") = "6"
    & skf21("7","6","7","7","4","5","7","1") = "6"
    & skf21("7","6","7","7","4","6","1","1") = "6"
    & skf21("7","6","7","7","4","6","2","1") = "6"
    & skf21("7","6","7","7","4","6","3","1") = "6"
    & skf21("7","6","7","7","4","6","4","1") = "6"
    & skf21("7","6","7","7","4","6","5","1") = "6"
    & skf21("7","6","7","7","4","6","6","1") = "6"
    & skf21("7","6","7","7","4","6","7","1") = "6"
    & skf21("7","6","7","7","4","7","1","1") = "6"
    & skf21("7","6","7","7","4","7","2","1") = "6"
    & skf21("7","6","7","7","4","7","3","1") = "6"
    & skf21("7","6","7","7","4","7","4","1") = "6"
    & skf21("7","6","7","7","4","7","5","1") = "6"
    & skf21("7","6","7","7","4","7","6","1") = "6"
    & skf21("7","6","7","7","4","7","7","1") = "6"
    & skf21("7","6","7","7","5","1","1","1") = "6"
    & skf21("7","6","7","7","5","1","2","1") = "6"
    & skf21("7","6","7","7","5","1","3","1") = "6"
    & skf21("7","6","7","7","5","1","4","1") = "6"
    & skf21("7","6","7","7","5","1","5","1") = "6"
    & skf21("7","6","7","7","5","1","6","1") = "6"
    & skf21("7","6","7","7","5","1","7","1") = "6"
    & skf21("7","6","7","7","5","2","1","1") = "6"
    & skf21("7","6","7","7","5","2","2","1") = "6"
    & skf21("7","6","7","7","5","2","3","1") = "6"
    & skf21("7","6","7","7","5","2","4","1") = "6"
    & skf21("7","6","7","7","5","2","5","1") = "6"
    & skf21("7","6","7","7","5","2","6","1") = "6"
    & skf21("7","6","7","7","5","2","7","1") = "6"
    & skf21("7","6","7","7","5","3","1","1") = "6"
    & skf21("7","6","7","7","5","3","2","1") = "6"
    & skf21("7","6","7","7","5","3","3","1") = "6"
    & skf21("7","6","7","7","5","3","4","1") = "6"
    & skf21("7","6","7","7","5","3","5","1") = "6"
    & skf21("7","6","7","7","5","3","6","1") = "6"
    & skf21("7","6","7","7","5","3","7","1") = "6"
    & skf21("7","6","7","7","5","4","1","1") = "6"
    & skf21("7","6","7","7","5","4","2","1") = "6"
    & skf21("7","6","7","7","5","4","3","1") = "6"
    & skf21("7","6","7","7","5","4","4","1") = "6"
    & skf21("7","6","7","7","5","4","5","1") = "6"
    & skf21("7","6","7","7","5","4","6","1") = "6"
    & skf21("7","6","7","7","5","4","7","1") = "6"
    & skf21("7","6","7","7","5","5","1","1") = "6"
    & skf21("7","6","7","7","5","5","2","1") = "6"
    & skf21("7","6","7","7","5","5","3","1") = "6"
    & skf21("7","6","7","7","5","5","4","1") = "6"
    & skf21("7","6","7","7","5","5","5","1") = "6"
    & skf21("7","6","7","7","5","5","6","1") = "6"
    & skf21("7","6","7","7","5","5","7","1") = "6"
    & skf21("7","6","7","7","5","6","1","1") = "6"
    & skf21("7","6","7","7","5","6","2","1") = "6"
    & skf21("7","6","7","7","5","6","3","1") = "6"
    & skf21("7","6","7","7","5","6","4","1") = "6"
    & skf21("7","6","7","7","5","6","5","1") = "6"
    & skf21("7","6","7","7","5","6","6","1") = "6"
    & skf21("7","6","7","7","5","6","7","1") = "6"
    & skf21("7","6","7","7","5","7","1","1") = "6"
    & skf21("7","6","7","7","5","7","2","1") = "6"
    & skf21("7","6","7","7","5","7","3","1") = "6"
    & skf21("7","6","7","7","5","7","4","1") = "6"
    & skf21("7","6","7","7","5","7","5","1") = "6"
    & skf21("7","6","7","7","5","7","6","1") = "6"
    & skf21("7","6","7","7","5","7","7","1") = "6"
    & skf21("7","6","7","7","6","1","1","1") = "6"
    & skf21("7","6","7","7","6","1","2","1") = "6"
    & skf21("7","6","7","7","6","1","3","1") = "6"
    & skf21("7","6","7","7","6","1","4","1") = "6"
    & skf21("7","6","7","7","6","1","5","1") = "6"
    & skf21("7","6","7","7","6","1","6","1") = "6"
    & skf21("7","6","7","7","6","1","7","1") = "6"
    & skf21("7","6","7","7","6","2","1","1") = "6"
    & skf21("7","6","7","7","6","2","2","1") = "6"
    & skf21("7","6","7","7","6","2","3","1") = "6"
    & skf21("7","6","7","7","6","2","4","1") = "6"
    & skf21("7","6","7","7","6","2","5","1") = "6"
    & skf21("7","6","7","7","6","2","6","1") = "6"
    & skf21("7","6","7","7","6","2","7","1") = "6"
    & skf21("7","6","7","7","6","3","1","1") = "6"
    & skf21("7","6","7","7","6","3","2","1") = "6"
    & skf21("7","6","7","7","6","3","3","1") = "6"
    & skf21("7","6","7","7","6","3","4","1") = "6"
    & skf21("7","6","7","7","6","3","5","1") = "6"
    & skf21("7","6","7","7","6","3","6","1") = "6"
    & skf21("7","6","7","7","6","3","7","1") = "6"
    & skf21("7","6","7","7","6","4","1","1") = "6"
    & skf21("7","6","7","7","6","4","2","1") = "6"
    & skf21("7","6","7","7","6","4","3","1") = "6"
    & skf21("7","6","7","7","6","4","4","1") = "6"
    & skf21("7","6","7","7","6","4","5","1") = "6"
    & skf21("7","6","7","7","6","4","6","1") = "6"
    & skf21("7","6","7","7","6","4","7","1") = "6"
    & skf21("7","6","7","7","6","5","1","1") = "6"
    & skf21("7","6","7","7","6","5","2","1") = "6"
    & skf21("7","6","7","7","6","5","3","1") = "6"
    & skf21("7","6","7","7","6","5","4","1") = "6"
    & skf21("7","6","7","7","6","5","5","1") = "6"
    & skf21("7","6","7","7","6","5","6","1") = "6"
    & skf21("7","6","7","7","6","5","7","1") = "6"
    & skf21("7","6","7","7","6","6","1","1") = "6"
    & skf21("7","6","7","7","6","6","2","1") = "6"
    & skf21("7","6","7","7","6","6","3","1") = "6"
    & skf21("7","6","7","7","6","6","4","1") = "6"
    & skf21("7","6","7","7","6","6","5","1") = "6"
    & skf21("7","6","7","7","6","6","6","1") = "6"
    & skf21("7","6","7","7","6","6","7","1") = "6"
    & skf21("7","6","7","7","6","7","1","1") = "6"
    & skf21("7","6","7","7","6","7","2","1") = "6"
    & skf21("7","6","7","7","6","7","3","1") = "6"
    & skf21("7","6","7","7","6","7","4","1") = "6"
    & skf21("7","6","7","7","6","7","5","1") = "6"
    & skf21("7","6","7","7","6","7","6","1") = "6"
    & skf21("7","6","7","7","6","7","7","1") = "6"
    & skf21("7","6","7","7","7","1","1","1") = "6"
    & skf21("7","6","7","7","7","1","2","1") = "6"
    & skf21("7","6","7","7","7","1","3","1") = "6"
    & skf21("7","6","7","7","7","1","4","1") = "6"
    & skf21("7","6","7","7","7","1","5","1") = "6"
    & skf21("7","6","7","7","7","1","6","1") = "6"
    & skf21("7","6","7","7","7","1","7","1") = "6"
    & skf21("7","6","7","7","7","2","1","1") = "6"
    & skf21("7","6","7","7","7","2","2","1") = "6"
    & skf21("7","6","7","7","7","2","3","1") = "6"
    & skf21("7","6","7","7","7","2","4","1") = "6"
    & skf21("7","6","7","7","7","2","5","1") = "6"
    & skf21("7","6","7","7","7","2","6","1") = "6"
    & skf21("7","6","7","7","7","2","7","1") = "6"
    & skf21("7","6","7","7","7","3","1","1") = "6"
    & skf21("7","6","7","7","7","3","2","1") = "6"
    & skf21("7","6","7","7","7","3","3","1") = "6"
    & skf21("7","6","7","7","7","3","4","1") = "6"
    & skf21("7","6","7","7","7","3","5","1") = "6"
    & skf21("7","6","7","7","7","3","6","1") = "6"
    & skf21("7","6","7","7","7","3","7","1") = "6"
    & skf21("7","6","7","7","7","4","1","1") = "6"
    & skf21("7","6","7","7","7","4","2","1") = "6"
    & skf21("7","6","7","7","7","4","3","1") = "6"
    & skf21("7","6","7","7","7","4","4","1") = "6"
    & skf21("7","6","7","7","7","4","5","1") = "6"
    & skf21("7","6","7","7","7","4","6","1") = "6"
    & skf21("7","6","7","7","7","4","7","1") = "6"
    & skf21("7","6","7","7","7","5","1","1") = "6"
    & skf21("7","6","7","7","7","5","2","1") = "6"
    & skf21("7","6","7","7","7","5","3","1") = "6"
    & skf21("7","6","7","7","7","5","4","1") = "6"
    & skf21("7","6","7","7","7","5","5","1") = "6"
    & skf21("7","6","7","7","7","5","6","1") = "6"
    & skf21("7","6","7","7","7","5","7","1") = "6"
    & skf21("7","6","7","7","7","6","1","1") = "6"
    & skf21("7","6","7","7","7","6","2","1") = "6"
    & skf21("7","6","7","7","7","6","3","1") = "6"
    & skf21("7","6","7","7","7","6","4","1") = "6"
    & skf21("7","6","7","7","7","6","5","1") = "6"
    & skf21("7","6","7","7","7","6","6","1") = "6"
    & skf21("7","6","7","7","7","6","7","1") = "6"
    & skf21("7","6","7","7","7","7","1","1") = "6"
    & skf21("7","6","7","7","7","7","2","1") = "6"
    & skf21("7","6","7","7","7","7","3","1") = "6"
    & skf21("7","6","7","7","7","7","4","1") = "6"
    & skf21("7","6","7","7","7","7","5","1") = "6"
    & skf21("7","6","7","7","7","7","6","1") = "6"
    & skf21("7","6","7","7","7","7","7","1") = "6"
    & skf21("7","7","1","1","1","1","1","1") = "6"
    & skf21("7","7","1","1","1","1","2","1") = "6"
    & skf21("7","7","1","1","1","1","3","1") = "6"
    & skf21("7","7","1","1","1","1","4","1") = "6"
    & skf21("7","7","1","1","1","1","5","1") = "6"
    & skf21("7","7","1","1","1","1","6","1") = "6"
    & skf21("7","7","1","1","1","1","7","1") = "6"
    & skf21("7","7","1","1","1","2","1","1") = "6"
    & skf21("7","7","1","1","1","2","2","1") = "6"
    & skf21("7","7","1","1","1","2","3","1") = "6"
    & skf21("7","7","1","1","1","2","4","1") = "6"
    & skf21("7","7","1","1","1","2","5","1") = "6"
    & skf21("7","7","1","1","1","2","6","1") = "6"
    & skf21("7","7","1","1","1","2","7","1") = "6"
    & skf21("7","7","1","1","1","3","1","1") = "6"
    & skf21("7","7","1","1","1","3","2","1") = "6"
    & skf21("7","7","1","1","1","3","3","1") = "6"
    & skf21("7","7","1","1","1","3","4","1") = "6"
    & skf21("7","7","1","1","1","3","5","1") = "6"
    & skf21("7","7","1","1","1","3","6","1") = "6"
    & skf21("7","7","1","1","1","3","7","1") = "6"
    & skf21("7","7","1","1","1","4","1","1") = "6"
    & skf21("7","7","1","1","1","4","2","1") = "6"
    & skf21("7","7","1","1","1","4","3","1") = "6"
    & skf21("7","7","1","1","1","4","4","1") = "6"
    & skf21("7","7","1","1","1","4","5","1") = "6"
    & skf21("7","7","1","1","1","4","6","1") = "6"
    & skf21("7","7","1","1","1","4","7","1") = "6"
    & skf21("7","7","1","1","1","5","1","1") = "6"
    & skf21("7","7","1","1","1","5","2","1") = "6"
    & skf21("7","7","1","1","1","5","3","1") = "6"
    & skf21("7","7","1","1","1","5","4","1") = "6"
    & skf21("7","7","1","1","1","5","5","1") = "6"
    & skf21("7","7","1","1","1","5","6","1") = "6"
    & skf21("7","7","1","1","1","5","7","1") = "6"
    & skf21("7","7","1","1","1","6","1","1") = "6"
    & skf21("7","7","1","1","1","6","2","1") = "6"
    & skf21("7","7","1","1","1","6","3","1") = "6"
    & skf21("7","7","1","1","1","6","4","1") = "6"
    & skf21("7","7","1","1","1","6","5","1") = "6"
    & skf21("7","7","1","1","1","6","6","1") = "6"
    & skf21("7","7","1","1","1","6","7","1") = "6"
    & skf21("7","7","1","1","1","7","1","1") = "6"
    & skf21("7","7","1","1","1","7","2","1") = "6"
    & skf21("7","7","1","1","1","7","3","1") = "6"
    & skf21("7","7","1","1","1","7","4","1") = "6"
    & skf21("7","7","1","1","1","7","5","1") = "6"
    & skf21("7","7","1","1","1","7","6","1") = "6"
    & skf21("7","7","1","1","1","7","7","1") = "6"
    & skf21("7","7","1","1","2","1","1","1") = "6"
    & skf21("7","7","1","1","2","1","2","1") = "6"
    & skf21("7","7","1","1","2","1","3","1") = "6"
    & skf21("7","7","1","1","2","1","4","1") = "6"
    & skf21("7","7","1","1","2","1","5","1") = "6"
    & skf21("7","7","1","1","2","1","6","1") = "6"
    & skf21("7","7","1","1","2","1","7","1") = "6"
    & skf21("7","7","1","1","2","2","1","1") = "6"
    & skf21("7","7","1","1","2","2","2","1") = "6"
    & skf21("7","7","1","1","2","2","3","1") = "6"
    & skf21("7","7","1","1","2","2","4","1") = "6"
    & skf21("7","7","1","1","2","2","5","1") = "6"
    & skf21("7","7","1","1","2","2","6","1") = "6"
    & skf21("7","7","1","1","2","2","7","1") = "6"
    & skf21("7","7","1","1","2","3","1","1") = "6"
    & skf21("7","7","1","1","2","3","2","1") = "6"
    & skf21("7","7","1","1","2","3","3","1") = "6"
    & skf21("7","7","1","1","2","3","4","1") = "6"
    & skf21("7","7","1","1","2","3","5","1") = "6"
    & skf21("7","7","1","1","2","3","6","1") = "6"
    & skf21("7","7","1","1","2","3","7","1") = "6"
    & skf21("7","7","1","1","2","4","1","1") = "6"
    & skf21("7","7","1","1","2","4","2","1") = "6"
    & skf21("7","7","1","1","2","4","3","1") = "6"
    & skf21("7","7","1","1","2","4","4","1") = "6"
    & skf21("7","7","1","1","2","4","5","1") = "6"
    & skf21("7","7","1","1","2","4","6","1") = "6"
    & skf21("7","7","1","1","2","4","7","1") = "6"
    & skf21("7","7","1","1","2","5","1","1") = "6"
    & skf21("7","7","1","1","2","5","2","1") = "6"
    & skf21("7","7","1","1","2","5","3","1") = "6"
    & skf21("7","7","1","1","2","5","4","1") = "6"
    & skf21("7","7","1","1","2","5","5","1") = "6"
    & skf21("7","7","1","1","2","5","6","1") = "6"
    & skf21("7","7","1","1","2","5","7","1") = "6"
    & skf21("7","7","1","1","2","6","1","1") = "6"
    & skf21("7","7","1","1","2","6","2","1") = "6"
    & skf21("7","7","1","1","2","6","3","1") = "6"
    & skf21("7","7","1","1","2","6","4","1") = "6"
    & skf21("7","7","1","1","2","6","5","1") = "6"
    & skf21("7","7","1","1","2","6","6","1") = "6"
    & skf21("7","7","1","1","2","6","7","1") = "6"
    & skf21("7","7","1","1","2","7","1","1") = "6"
    & skf21("7","7","1","1","2","7","2","1") = "6"
    & skf21("7","7","1","1","2","7","3","1") = "6"
    & skf21("7","7","1","1","2","7","4","1") = "6"
    & skf21("7","7","1","1","2","7","5","1") = "6"
    & skf21("7","7","1","1","2","7","6","1") = "6"
    & skf21("7","7","1","1","2","7","7","1") = "6"
    & skf21("7","7","1","1","3","1","1","1") = "6"
    & skf21("7","7","1","1","3","1","2","1") = "6"
    & skf21("7","7","1","1","3","1","3","1") = "6"
    & skf21("7","7","1","1","3","1","4","1") = "6"
    & skf21("7","7","1","1","3","1","5","1") = "6"
    & skf21("7","7","1","1","3","1","6","1") = "6"
    & skf21("7","7","1","1","3","1","7","1") = "6"
    & skf21("7","7","1","1","3","2","1","1") = "6"
    & skf21("7","7","1","1","3","2","2","1") = "6"
    & skf21("7","7","1","1","3","2","3","1") = "6"
    & skf21("7","7","1","1","3","2","4","1") = "6"
    & skf21("7","7","1","1","3","2","5","1") = "6"
    & skf21("7","7","1","1","3","2","6","1") = "6"
    & skf21("7","7","1","1","3","2","7","1") = "6"
    & skf21("7","7","1","1","3","3","1","1") = "6"
    & skf21("7","7","1","1","3","3","2","1") = "6"
    & skf21("7","7","1","1","3","3","3","1") = "6"
    & skf21("7","7","1","1","3","3","4","1") = "6"
    & skf21("7","7","1","1","3","3","5","1") = "6"
    & skf21("7","7","1","1","3","3","6","1") = "6"
    & skf21("7","7","1","1","3","3","7","1") = "6"
    & skf21("7","7","1","1","3","4","1","1") = "6"
    & skf21("7","7","1","1","3","4","2","1") = "6"
    & skf21("7","7","1","1","3","4","3","1") = "6"
    & skf21("7","7","1","1","3","4","4","1") = "6"
    & skf21("7","7","1","1","3","4","5","1") = "6"
    & skf21("7","7","1","1","3","4","6","1") = "6"
    & skf21("7","7","1","1","3","4","7","1") = "6"
    & skf21("7","7","1","1","3","5","1","1") = "6"
    & skf21("7","7","1","1","3","5","2","1") = "6"
    & skf21("7","7","1","1","3","5","3","1") = "6"
    & skf21("7","7","1","1","3","5","4","1") = "6"
    & skf21("7","7","1","1","3","5","5","1") = "6"
    & skf21("7","7","1","1","3","5","6","1") = "6"
    & skf21("7","7","1","1","3","5","7","1") = "6"
    & skf21("7","7","1","1","3","6","1","1") = "6"
    & skf21("7","7","1","1","3","6","2","1") = "6"
    & skf21("7","7","1","1","3","6","3","1") = "6"
    & skf21("7","7","1","1","3","6","4","1") = "6"
    & skf21("7","7","1","1","3","6","5","1") = "6"
    & skf21("7","7","1","1","3","6","6","1") = "6"
    & skf21("7","7","1","1","3","6","7","1") = "6"
    & skf21("7","7","1","1","3","7","1","1") = "6"
    & skf21("7","7","1","1","3","7","2","1") = "6"
    & skf21("7","7","1","1","3","7","3","1") = "6"
    & skf21("7","7","1","1","3","7","4","1") = "6"
    & skf21("7","7","1","1","3","7","5","1") = "6"
    & skf21("7","7","1","1","3","7","6","1") = "6"
    & skf21("7","7","1","1","3","7","7","1") = "6"
    & skf21("7","7","1","1","4","1","1","1") = "6"
    & skf21("7","7","1","1","4","1","2","1") = "6"
    & skf21("7","7","1","1","4","1","3","1") = "6"
    & skf21("7","7","1","1","4","1","4","1") = "6"
    & skf21("7","7","1","1","4","1","5","1") = "6"
    & skf21("7","7","1","1","4","1","6","1") = "6"
    & skf21("7","7","1","1","4","1","7","1") = "6"
    & skf21("7","7","1","1","4","2","1","1") = "6"
    & skf21("7","7","1","1","4","2","2","1") = "6"
    & skf21("7","7","1","1","4","2","3","1") = "6"
    & skf21("7","7","1","1","4","2","4","1") = "6"
    & skf21("7","7","1","1","4","2","5","1") = "6"
    & skf21("7","7","1","1","4","2","6","1") = "6"
    & skf21("7","7","1","1","4","2","7","1") = "6"
    & skf21("7","7","1","1","4","3","1","1") = "6"
    & skf21("7","7","1","1","4","3","2","1") = "6"
    & skf21("7","7","1","1","4","3","3","1") = "6"
    & skf21("7","7","1","1","4","3","4","1") = "6"
    & skf21("7","7","1","1","4","3","5","1") = "6"
    & skf21("7","7","1","1","4","3","6","1") = "6"
    & skf21("7","7","1","1","4","3","7","1") = "6"
    & skf21("7","7","1","1","4","4","1","1") = "6"
    & skf21("7","7","1","1","4","4","2","1") = "6"
    & skf21("7","7","1","1","4","4","3","1") = "6"
    & skf21("7","7","1","1","4","4","4","1") = "6"
    & skf21("7","7","1","1","4","4","5","1") = "6"
    & skf21("7","7","1","1","4","4","6","1") = "6"
    & skf21("7","7","1","1","4","4","7","1") = "6"
    & skf21("7","7","1","1","4","5","1","1") = "6"
    & skf21("7","7","1","1","4","5","2","1") = "6"
    & skf21("7","7","1","1","4","5","3","1") = "6"
    & skf21("7","7","1","1","4","5","4","1") = "6"
    & skf21("7","7","1","1","4","5","5","1") = "6"
    & skf21("7","7","1","1","4","5","6","1") = "6"
    & skf21("7","7","1","1","4","5","7","1") = "6"
    & skf21("7","7","1","1","4","6","1","1") = "6"
    & skf21("7","7","1","1","4","6","2","1") = "6"
    & skf21("7","7","1","1","4","6","3","1") = "6"
    & skf21("7","7","1","1","4","6","4","1") = "6"
    & skf21("7","7","1","1","4","6","5","1") = "6"
    & skf21("7","7","1","1","4","6","6","1") = "6"
    & skf21("7","7","1","1","4","6","7","1") = "6"
    & skf21("7","7","1","1","4","7","1","1") = "6"
    & skf21("7","7","1","1","4","7","2","1") = "6"
    & skf21("7","7","1","1","4","7","3","1") = "6"
    & skf21("7","7","1","1","4","7","4","1") = "6"
    & skf21("7","7","1","1","4","7","5","1") = "6"
    & skf21("7","7","1","1","4","7","6","1") = "6"
    & skf21("7","7","1","1","4","7","7","1") = "6"
    & skf21("7","7","1","1","5","1","1","1") = "6"
    & skf21("7","7","1","1","5","1","2","1") = "6"
    & skf21("7","7","1","1","5","1","3","1") = "6"
    & skf21("7","7","1","1","5","1","4","1") = "6"
    & skf21("7","7","1","1","5","1","5","1") = "6"
    & skf21("7","7","1","1","5","1","6","1") = "6"
    & skf21("7","7","1","1","5","1","7","1") = "6"
    & skf21("7","7","1","1","5","2","1","1") = "6"
    & skf21("7","7","1","1","5","2","2","1") = "6"
    & skf21("7","7","1","1","5","2","3","1") = "6"
    & skf21("7","7","1","1","5","2","4","1") = "6"
    & skf21("7","7","1","1","5","2","5","1") = "6"
    & skf21("7","7","1","1","5","2","6","1") = "6"
    & skf21("7","7","1","1","5","2","7","1") = "6"
    & skf21("7","7","1","1","5","3","1","1") = "6"
    & skf21("7","7","1","1","5","3","2","1") = "6"
    & skf21("7","7","1","1","5","3","3","1") = "6"
    & skf21("7","7","1","1","5","3","4","1") = "6"
    & skf21("7","7","1","1","5","3","5","1") = "6"
    & skf21("7","7","1","1","5","3","6","1") = "6"
    & skf21("7","7","1","1","5","3","7","1") = "6"
    & skf21("7","7","1","1","5","4","1","1") = "6"
    & skf21("7","7","1","1","5","4","2","1") = "6"
    & skf21("7","7","1","1","5","4","3","1") = "6"
    & skf21("7","7","1","1","5","4","4","1") = "6"
    & skf21("7","7","1","1","5","4","5","1") = "6"
    & skf21("7","7","1","1","5","4","6","1") = "6"
    & skf21("7","7","1","1","5","4","7","1") = "6"
    & skf21("7","7","1","1","5","5","1","1") = "6"
    & skf21("7","7","1","1","5","5","2","1") = "6"
    & skf21("7","7","1","1","5","5","3","1") = "6"
    & skf21("7","7","1","1","5","5","4","1") = "6"
    & skf21("7","7","1","1","5","5","5","1") = "6"
    & skf21("7","7","1","1","5","5","6","1") = "6"
    & skf21("7","7","1","1","5","5","7","1") = "6"
    & skf21("7","7","1","1","5","6","1","1") = "6"
    & skf21("7","7","1","1","5","6","2","1") = "6"
    & skf21("7","7","1","1","5","6","3","1") = "6"
    & skf21("7","7","1","1","5","6","4","1") = "6"
    & skf21("7","7","1","1","5","6","5","1") = "6"
    & skf21("7","7","1","1","5","6","6","1") = "6"
    & skf21("7","7","1","1","5","6","7","1") = "6"
    & skf21("7","7","1","1","5","7","1","1") = "6"
    & skf21("7","7","1","1","5","7","2","1") = "6"
    & skf21("7","7","1","1","5","7","3","1") = "6"
    & skf21("7","7","1","1","5","7","4","1") = "6"
    & skf21("7","7","1","1","5","7","5","1") = "6"
    & skf21("7","7","1","1","5","7","6","1") = "6"
    & skf21("7","7","1","1","5","7","7","1") = "6"
    & skf21("7","7","1","1","6","1","1","1") = "6"
    & skf21("7","7","1","1","6","1","2","1") = "6"
    & skf21("7","7","1","1","6","1","3","1") = "6"
    & skf21("7","7","1","1","6","1","4","1") = "6"
    & skf21("7","7","1","1","6","1","5","1") = "6"
    & skf21("7","7","1","1","6","1","6","1") = "6"
    & skf21("7","7","1","1","6","1","7","1") = "6"
    & skf21("7","7","1","1","6","2","1","1") = "6"
    & skf21("7","7","1","1","6","2","2","1") = "6"
    & skf21("7","7","1","1","6","2","3","1") = "6"
    & skf21("7","7","1","1","6","2","4","1") = "6"
    & skf21("7","7","1","1","6","2","5","1") = "6"
    & skf21("7","7","1","1","6","2","6","1") = "6"
    & skf21("7","7","1","1","6","2","7","1") = "6"
    & skf21("7","7","1","1","6","3","1","1") = "6"
    & skf21("7","7","1","1","6","3","2","1") = "6"
    & skf21("7","7","1","1","6","3","3","1") = "6"
    & skf21("7","7","1","1","6","3","4","1") = "6"
    & skf21("7","7","1","1","6","3","5","1") = "6"
    & skf21("7","7","1","1","6","3","6","1") = "6"
    & skf21("7","7","1","1","6","3","7","1") = "6"
    & skf21("7","7","1","1","6","4","1","1") = "6"
    & skf21("7","7","1","1","6","4","2","1") = "6"
    & skf21("7","7","1","1","6","4","3","1") = "6"
    & skf21("7","7","1","1","6","4","4","1") = "6"
    & skf21("7","7","1","1","6","4","5","1") = "6"
    & skf21("7","7","1","1","6","4","6","1") = "6"
    & skf21("7","7","1","1","6","4","7","1") = "6"
    & skf21("7","7","1","1","6","5","1","1") = "6"
    & skf21("7","7","1","1","6","5","2","1") = "6"
    & skf21("7","7","1","1","6","5","3","1") = "6"
    & skf21("7","7","1","1","6","5","4","1") = "6"
    & skf21("7","7","1","1","6","5","5","1") = "6"
    & skf21("7","7","1","1","6","5","6","1") = "6"
    & skf21("7","7","1","1","6","5","7","1") = "6"
    & skf21("7","7","1","1","6","6","1","1") = "6"
    & skf21("7","7","1","1","6","6","2","1") = "6"
    & skf21("7","7","1","1","6","6","3","1") = "6"
    & skf21("7","7","1","1","6","6","4","1") = "6"
    & skf21("7","7","1","1","6","6","5","1") = "6"
    & skf21("7","7","1","1","6","6","6","1") = "6"
    & skf21("7","7","1","1","6","6","7","1") = "6"
    & skf21("7","7","1","1","6","7","1","1") = "6"
    & skf21("7","7","1","1","6","7","2","1") = "6"
    & skf21("7","7","1","1","6","7","3","1") = "6"
    & skf21("7","7","1","1","6","7","4","1") = "6"
    & skf21("7","7","1","1","6","7","5","1") = "6"
    & skf21("7","7","1","1","6","7","6","1") = "6"
    & skf21("7","7","1","1","6","7","7","1") = "6"
    & skf21("7","7","1","1","7","1","1","1") = "6"
    & skf21("7","7","1","1","7","1","2","1") = "6"
    & skf21("7","7","1","1","7","1","3","1") = "6"
    & skf21("7","7","1","1","7","1","4","1") = "6"
    & skf21("7","7","1","1","7","1","5","1") = "6"
    & skf21("7","7","1","1","7","1","6","1") = "6"
    & skf21("7","7","1","1","7","1","7","1") = "6"
    & skf21("7","7","1","1","7","2","1","1") = "6"
    & skf21("7","7","1","1","7","2","2","1") = "6"
    & skf21("7","7","1","1","7","2","3","1") = "6"
    & skf21("7","7","1","1","7","2","4","1") = "6"
    & skf21("7","7","1","1","7","2","5","1") = "6"
    & skf21("7","7","1","1","7","2","6","1") = "6"
    & skf21("7","7","1","1","7","2","7","1") = "6"
    & skf21("7","7","1","1","7","3","1","1") = "6"
    & skf21("7","7","1","1","7","3","2","1") = "6"
    & skf21("7","7","1","1","7","3","3","1") = "6"
    & skf21("7","7","1","1","7","3","4","1") = "6"
    & skf21("7","7","1","1","7","3","5","1") = "6"
    & skf21("7","7","1","1","7","3","6","1") = "6"
    & skf21("7","7","1","1","7","3","7","1") = "6"
    & skf21("7","7","1","1","7","4","1","1") = "6"
    & skf21("7","7","1","1","7","4","2","1") = "6"
    & skf21("7","7","1","1","7","4","3","1") = "6"
    & skf21("7","7","1","1","7","4","4","1") = "6"
    & skf21("7","7","1","1","7","4","5","1") = "6"
    & skf21("7","7","1","1","7","4","6","1") = "6"
    & skf21("7","7","1","1","7","4","7","1") = "6"
    & skf21("7","7","1","1","7","5","1","1") = "6"
    & skf21("7","7","1","1","7","5","2","1") = "6"
    & skf21("7","7","1","1","7","5","3","1") = "6"
    & skf21("7","7","1","1","7","5","4","1") = "6"
    & skf21("7","7","1","1","7","5","5","1") = "6"
    & skf21("7","7","1","1","7","5","6","1") = "6"
    & skf21("7","7","1","1","7","5","7","1") = "6"
    & skf21("7","7","1","1","7","6","1","1") = "6"
    & skf21("7","7","1","1","7","6","2","1") = "6"
    & skf21("7","7","1","1","7","6","3","1") = "6"
    & skf21("7","7","1","1","7","6","4","1") = "6"
    & skf21("7","7","1","1","7","6","5","1") = "6"
    & skf21("7","7","1","1","7","6","6","1") = "6"
    & skf21("7","7","1","1","7","6","7","1") = "6"
    & skf21("7","7","1","1","7","7","1","1") = "6"
    & skf21("7","7","1","1","7","7","2","1") = "6"
    & skf21("7","7","1","1","7","7","3","1") = "6"
    & skf21("7","7","1","1","7","7","4","1") = "6"
    & skf21("7","7","1","1","7","7","5","1") = "6"
    & skf21("7","7","1","1","7","7","6","1") = "6"
    & skf21("7","7","1","1","7","7","7","1") = "6"
    & skf21("7","7","1","2","1","1","1","1") = "6"
    & skf21("7","7","1","2","1","1","2","1") = "6"
    & skf21("7","7","1","2","1","1","3","1") = "6"
    & skf21("7","7","1","2","1","1","4","1") = "6"
    & skf21("7","7","1","2","1","1","5","1") = "6"
    & skf21("7","7","1","2","1","1","6","1") = "6"
    & skf21("7","7","1","2","1","1","7","1") = "6"
    & skf21("7","7","1","2","1","2","1","1") = "6"
    & skf21("7","7","1","2","1","2","2","1") = "6"
    & skf21("7","7","1","2","1","2","3","1") = "6"
    & skf21("7","7","1","2","1","2","4","1") = "6"
    & skf21("7","7","1","2","1","2","5","1") = "6"
    & skf21("7","7","1","2","1","2","6","1") = "6"
    & skf21("7","7","1","2","1","2","7","1") = "6"
    & skf21("7","7","1","2","1","3","1","1") = "6"
    & skf21("7","7","1","2","1","3","2","1") = "6"
    & skf21("7","7","1","2","1","3","3","1") = "6"
    & skf21("7","7","1","2","1","3","4","1") = "6"
    & skf21("7","7","1","2","1","3","5","1") = "6"
    & skf21("7","7","1","2","1","3","6","1") = "6"
    & skf21("7","7","1","2","1","3","7","1") = "6"
    & skf21("7","7","1","2","1","4","1","1") = "6"
    & skf21("7","7","1","2","1","4","2","1") = "6"
    & skf21("7","7","1","2","1","4","3","1") = "6"
    & skf21("7","7","1","2","1","4","4","1") = "6"
    & skf21("7","7","1","2","1","4","5","1") = "6"
    & skf21("7","7","1","2","1","4","6","1") = "6"
    & skf21("7","7","1","2","1","4","7","1") = "6"
    & skf21("7","7","1","2","1","5","1","1") = "6"
    & skf21("7","7","1","2","1","5","2","1") = "6"
    & skf21("7","7","1","2","1","5","3","1") = "6"
    & skf21("7","7","1","2","1","5","4","1") = "6"
    & skf21("7","7","1","2","1","5","5","1") = "6"
    & skf21("7","7","1","2","1","5","6","1") = "6"
    & skf21("7","7","1","2","1","5","7","1") = "6"
    & skf21("7","7","1","2","1","6","1","1") = "6"
    & skf21("7","7","1","2","1","6","2","1") = "6"
    & skf21("7","7","1","2","1","6","3","1") = "6"
    & skf21("7","7","1","2","1","6","4","1") = "6"
    & skf21("7","7","1","2","1","6","5","1") = "6"
    & skf21("7","7","1","2","1","6","6","1") = "6"
    & skf21("7","7","1","2","1","6","7","1") = "6"
    & skf21("7","7","1","2","1","7","1","1") = "6"
    & skf21("7","7","1","2","1","7","2","1") = "6"
    & skf21("7","7","1","2","1","7","3","1") = "6"
    & skf21("7","7","1","2","1","7","4","1") = "6"
    & skf21("7","7","1","2","1","7","5","1") = "6"
    & skf21("7","7","1","2","1","7","6","1") = "6"
    & skf21("7","7","1","2","1","7","7","1") = "6"
    & skf21("7","7","1","2","2","1","1","1") = "6"
    & skf21("7","7","1","2","2","1","2","1") = "6"
    & skf21("7","7","1","2","2","1","3","1") = "6"
    & skf21("7","7","1","2","2","1","4","1") = "6"
    & skf21("7","7","1","2","2","1","5","1") = "6"
    & skf21("7","7","1","2","2","1","6","1") = "6"
    & skf21("7","7","1","2","2","1","7","1") = "6"
    & skf21("7","7","1","2","2","2","1","1") = "6"
    & skf21("7","7","1","2","2","2","2","1") = "6"
    & skf21("7","7","1","2","2","2","3","1") = "6"
    & skf21("7","7","1","2","2","2","4","1") = "6"
    & skf21("7","7","1","2","2","2","5","1") = "6"
    & skf21("7","7","1","2","2","2","6","1") = "6"
    & skf21("7","7","1","2","2","2","7","1") = "6"
    & skf21("7","7","1","2","2","3","1","1") = "6"
    & skf21("7","7","1","2","2","3","2","1") = "6"
    & skf21("7","7","1","2","2","3","3","1") = "6"
    & skf21("7","7","1","2","2","3","4","1") = "6"
    & skf21("7","7","1","2","2","3","5","1") = "6"
    & skf21("7","7","1","2","2","3","6","1") = "6"
    & skf21("7","7","1","2","2","3","7","1") = "6"
    & skf21("7","7","1","2","2","4","1","1") = "6"
    & skf21("7","7","1","2","2","4","2","1") = "6"
    & skf21("7","7","1","2","2","4","3","1") = "6"
    & skf21("7","7","1","2","2","4","4","1") = "6"
    & skf21("7","7","1","2","2","4","5","1") = "6"
    & skf21("7","7","1","2","2","4","6","1") = "6"
    & skf21("7","7","1","2","2","4","7","1") = "6"
    & skf21("7","7","1","2","2","5","1","1") = "6"
    & skf21("7","7","1","2","2","5","2","1") = "6"
    & skf21("7","7","1","2","2","5","3","1") = "6"
    & skf21("7","7","1","2","2","5","4","1") = "6"
    & skf21("7","7","1","2","2","5","5","1") = "6"
    & skf21("7","7","1","2","2","5","6","1") = "6"
    & skf21("7","7","1","2","2","5","7","1") = "6"
    & skf21("7","7","1","2","2","6","1","1") = "6"
    & skf21("7","7","1","2","2","6","2","1") = "6"
    & skf21("7","7","1","2","2","6","3","1") = "6"
    & skf21("7","7","1","2","2","6","4","1") = "6"
    & skf21("7","7","1","2","2","6","5","1") = "6"
    & skf21("7","7","1","2","2","6","6","1") = "6"
    & skf21("7","7","1","2","2","6","7","1") = "6"
    & skf21("7","7","1","2","2","7","1","1") = "6"
    & skf21("7","7","1","2","2","7","2","1") = "6"
    & skf21("7","7","1","2","2","7","3","1") = "6"
    & skf21("7","7","1","2","2","7","4","1") = "6"
    & skf21("7","7","1","2","2","7","5","1") = "6"
    & skf21("7","7","1","2","2","7","6","1") = "6"
    & skf21("7","7","1","2","2","7","7","1") = "6"
    & skf21("7","7","1","2","3","1","1","1") = "6"
    & skf21("7","7","1","2","3","1","2","1") = "6"
    & skf21("7","7","1","2","3","1","3","1") = "6"
    & skf21("7","7","1","2","3","1","4","1") = "6"
    & skf21("7","7","1","2","3","1","5","1") = "6"
    & skf21("7","7","1","2","3","1","6","1") = "6"
    & skf21("7","7","1","2","3","1","7","1") = "6"
    & skf21("7","7","1","2","3","2","1","1") = "6"
    & skf21("7","7","1","2","3","2","2","1") = "6"
    & skf21("7","7","1","2","3","2","3","1") = "6"
    & skf21("7","7","1","2","3","2","4","1") = "6"
    & skf21("7","7","1","2","3","2","5","1") = "6"
    & skf21("7","7","1","2","3","2","6","1") = "6"
    & skf21("7","7","1","2","3","2","7","1") = "6"
    & skf21("7","7","1","2","3","3","1","1") = "6"
    & skf21("7","7","1","2","3","3","2","1") = "6"
    & skf21("7","7","1","2","3","3","3","1") = "6"
    & skf21("7","7","1","2","3","3","4","1") = "6"
    & skf21("7","7","1","2","3","3","5","1") = "6"
    & skf21("7","7","1","2","3","3","6","1") = "6"
    & skf21("7","7","1","2","3","3","7","1") = "6"
    & skf21("7","7","1","2","3","4","1","1") = "6"
    & skf21("7","7","1","2","3","4","2","1") = "6"
    & skf21("7","7","1","2","3","4","3","1") = "6"
    & skf21("7","7","1","2","3","4","4","1") = "6"
    & skf21("7","7","1","2","3","4","5","1") = "6"
    & skf21("7","7","1","2","3","4","6","1") = "6"
    & skf21("7","7","1","2","3","4","7","1") = "6"
    & skf21("7","7","1","2","3","5","1","1") = "6"
    & skf21("7","7","1","2","3","5","2","1") = "6"
    & skf21("7","7","1","2","3","5","3","1") = "6"
    & skf21("7","7","1","2","3","5","4","1") = "6"
    & skf21("7","7","1","2","3","5","5","1") = "6"
    & skf21("7","7","1","2","3","5","6","1") = "6"
    & skf21("7","7","1","2","3","5","7","1") = "6"
    & skf21("7","7","1","2","3","6","1","1") = "6"
    & skf21("7","7","1","2","3","6","2","1") = "6"
    & skf21("7","7","1","2","3","6","3","1") = "6"
    & skf21("7","7","1","2","3","6","4","1") = "6"
    & skf21("7","7","1","2","3","6","5","1") = "6"
    & skf21("7","7","1","2","3","6","6","1") = "6"
    & skf21("7","7","1","2","3","6","7","1") = "6"
    & skf21("7","7","1","2","3","7","1","1") = "6"
    & skf21("7","7","1","2","3","7","2","1") = "6"
    & skf21("7","7","1","2","3","7","3","1") = "6"
    & skf21("7","7","1","2","3","7","4","1") = "6"
    & skf21("7","7","1","2","3","7","5","1") = "6"
    & skf21("7","7","1","2","3","7","6","1") = "6"
    & skf21("7","7","1","2","3","7","7","1") = "6"
    & skf21("7","7","1","2","4","1","1","1") = "6"
    & skf21("7","7","1","2","4","1","2","1") = "6"
    & skf21("7","7","1","2","4","1","3","1") = "6"
    & skf21("7","7","1","2","4","1","4","1") = "6"
    & skf21("7","7","1","2","4","1","5","1") = "6"
    & skf21("7","7","1","2","4","1","6","1") = "6"
    & skf21("7","7","1","2","4","1","7","1") = "6"
    & skf21("7","7","1","2","4","2","1","1") = "6"
    & skf21("7","7","1","2","4","2","2","1") = "6"
    & skf21("7","7","1","2","4","2","3","1") = "6"
    & skf21("7","7","1","2","4","2","4","1") = "6"
    & skf21("7","7","1","2","4","2","5","1") = "6"
    & skf21("7","7","1","2","4","2","6","1") = "6"
    & skf21("7","7","1","2","4","2","7","1") = "6"
    & skf21("7","7","1","2","4","3","1","1") = "6"
    & skf21("7","7","1","2","4","3","2","1") = "6"
    & skf21("7","7","1","2","4","3","3","1") = "6"
    & skf21("7","7","1","2","4","3","4","1") = "6"
    & skf21("7","7","1","2","4","3","5","1") = "6"
    & skf21("7","7","1","2","4","3","6","1") = "6"
    & skf21("7","7","1","2","4","3","7","1") = "6"
    & skf21("7","7","1","2","4","4","1","1") = "6"
    & skf21("7","7","1","2","4","4","2","1") = "6"
    & skf21("7","7","1","2","4","4","3","1") = "6"
    & skf21("7","7","1","2","4","4","4","1") = "6"
    & skf21("7","7","1","2","4","4","5","1") = "6"
    & skf21("7","7","1","2","4","4","6","1") = "6"
    & skf21("7","7","1","2","4","4","7","1") = "6"
    & skf21("7","7","1","2","4","5","1","1") = "6"
    & skf21("7","7","1","2","4","5","2","1") = "6"
    & skf21("7","7","1","2","4","5","3","1") = "6"
    & skf21("7","7","1","2","4","5","4","1") = "6"
    & skf21("7","7","1","2","4","5","5","1") = "6"
    & skf21("7","7","1","2","4","5","6","1") = "6"
    & skf21("7","7","1","2","4","5","7","1") = "6"
    & skf21("7","7","1","2","4","6","1","1") = "6"
    & skf21("7","7","1","2","4","6","2","1") = "6"
    & skf21("7","7","1","2","4","6","3","1") = "6"
    & skf21("7","7","1","2","4","6","4","1") = "6"
    & skf21("7","7","1","2","4","6","5","1") = "6"
    & skf21("7","7","1","2","4","6","6","1") = "6"
    & skf21("7","7","1","2","4","6","7","1") = "6"
    & skf21("7","7","1","2","4","7","1","1") = "6"
    & skf21("7","7","1","2","4","7","2","1") = "6"
    & skf21("7","7","1","2","4","7","3","1") = "6"
    & skf21("7","7","1","2","4","7","4","1") = "6"
    & skf21("7","7","1","2","4","7","5","1") = "6"
    & skf21("7","7","1","2","4","7","6","1") = "6"
    & skf21("7","7","1","2","4","7","7","1") = "6"
    & skf21("7","7","1","2","5","1","1","1") = "6"
    & skf21("7","7","1","2","5","1","2","1") = "6"
    & skf21("7","7","1","2","5","1","3","1") = "6"
    & skf21("7","7","1","2","5","1","4","1") = "6"
    & skf21("7","7","1","2","5","1","5","1") = "6"
    & skf21("7","7","1","2","5","1","6","1") = "6"
    & skf21("7","7","1","2","5","1","7","1") = "6"
    & skf21("7","7","1","2","5","2","1","1") = "6"
    & skf21("7","7","1","2","5","2","2","1") = "6"
    & skf21("7","7","1","2","5","2","3","1") = "6"
    & skf21("7","7","1","2","5","2","4","1") = "6"
    & skf21("7","7","1","2","5","2","5","1") = "6"
    & skf21("7","7","1","2","5","2","6","1") = "6"
    & skf21("7","7","1","2","5","2","7","1") = "6"
    & skf21("7","7","1","2","5","3","1","1") = "6"
    & skf21("7","7","1","2","5","3","2","1") = "6"
    & skf21("7","7","1","2","5","3","3","1") = "6"
    & skf21("7","7","1","2","5","3","4","1") = "6"
    & skf21("7","7","1","2","5","3","5","1") = "6"
    & skf21("7","7","1","2","5","3","6","1") = "6"
    & skf21("7","7","1","2","5","3","7","1") = "6"
    & skf21("7","7","1","2","5","4","1","1") = "6"
    & skf21("7","7","1","2","5","4","2","1") = "6"
    & skf21("7","7","1","2","5","4","3","1") = "6"
    & skf21("7","7","1","2","5","4","4","1") = "6"
    & skf21("7","7","1","2","5","4","5","1") = "6"
    & skf21("7","7","1","2","5","4","6","1") = "6"
    & skf21("7","7","1","2","5","4","7","1") = "6"
    & skf21("7","7","1","2","5","5","1","1") = "6"
    & skf21("7","7","1","2","5","5","2","1") = "6"
    & skf21("7","7","1","2","5","5","3","1") = "6"
    & skf21("7","7","1","2","5","5","4","1") = "6"
    & skf21("7","7","1","2","5","5","5","1") = "6"
    & skf21("7","7","1","2","5","5","6","1") = "6"
    & skf21("7","7","1","2","5","5","7","1") = "6"
    & skf21("7","7","1","2","5","6","1","1") = "6"
    & skf21("7","7","1","2","5","6","2","1") = "6"
    & skf21("7","7","1","2","5","6","3","1") = "6"
    & skf21("7","7","1","2","5","6","4","1") = "6"
    & skf21("7","7","1","2","5","6","5","1") = "6"
    & skf21("7","7","1","2","5","6","6","1") = "6"
    & skf21("7","7","1","2","5","6","7","1") = "6"
    & skf21("7","7","1","2","5","7","1","1") = "6"
    & skf21("7","7","1","2","5","7","2","1") = "6"
    & skf21("7","7","1","2","5","7","3","1") = "6"
    & skf21("7","7","1","2","5","7","4","1") = "6"
    & skf21("7","7","1","2","5","7","5","1") = "6"
    & skf21("7","7","1","2","5","7","6","1") = "6"
    & skf21("7","7","1","2","5","7","7","1") = "6"
    & skf21("7","7","1","2","6","1","1","1") = "6"
    & skf21("7","7","1","2","6","1","2","1") = "6"
    & skf21("7","7","1","2","6","1","3","1") = "6"
    & skf21("7","7","1","2","6","1","4","1") = "6"
    & skf21("7","7","1","2","6","1","5","1") = "6"
    & skf21("7","7","1","2","6","1","6","1") = "6"
    & skf21("7","7","1","2","6","1","7","1") = "6"
    & skf21("7","7","1","2","6","2","1","1") = "6"
    & skf21("7","7","1","2","6","2","2","1") = "6"
    & skf21("7","7","1","2","6","2","3","1") = "6"
    & skf21("7","7","1","2","6","2","4","1") = "6"
    & skf21("7","7","1","2","6","2","5","1") = "6"
    & skf21("7","7","1","2","6","2","6","1") = "6"
    & skf21("7","7","1","2","6","2","7","1") = "6"
    & skf21("7","7","1","2","6","3","1","1") = "6"
    & skf21("7","7","1","2","6","3","2","1") = "6"
    & skf21("7","7","1","2","6","3","3","1") = "6"
    & skf21("7","7","1","2","6","3","4","1") = "6"
    & skf21("7","7","1","2","6","3","5","1") = "6"
    & skf21("7","7","1","2","6","3","6","1") = "6"
    & skf21("7","7","1","2","6","3","7","1") = "6"
    & skf21("7","7","1","2","6","4","1","1") = "6"
    & skf21("7","7","1","2","6","4","2","1") = "6"
    & skf21("7","7","1","2","6","4","3","1") = "6"
    & skf21("7","7","1","2","6","4","4","1") = "6"
    & skf21("7","7","1","2","6","4","5","1") = "6"
    & skf21("7","7","1","2","6","4","6","1") = "6"
    & skf21("7","7","1","2","6","4","7","1") = "6"
    & skf21("7","7","1","2","6","5","1","1") = "6"
    & skf21("7","7","1","2","6","5","2","1") = "6"
    & skf21("7","7","1","2","6","5","3","1") = "6"
    & skf21("7","7","1","2","6","5","4","1") = "6"
    & skf21("7","7","1","2","6","5","5","1") = "6"
    & skf21("7","7","1","2","6","5","6","1") = "6"
    & skf21("7","7","1","2","6","5","7","1") = "6"
    & skf21("7","7","1","2","6","6","1","1") = "6"
    & skf21("7","7","1","2","6","6","2","1") = "6"
    & skf21("7","7","1","2","6","6","3","1") = "6"
    & skf21("7","7","1","2","6","6","4","1") = "6"
    & skf21("7","7","1","2","6","6","5","1") = "6"
    & skf21("7","7","1","2","6","6","6","1") = "6"
    & skf21("7","7","1","2","6","6","7","1") = "6"
    & skf21("7","7","1","2","6","7","1","1") = "6"
    & skf21("7","7","1","2","6","7","2","1") = "6"
    & skf21("7","7","1","2","6","7","3","1") = "6"
    & skf21("7","7","1","2","6","7","4","1") = "6"
    & skf21("7","7","1","2","6","7","5","1") = "6"
    & skf21("7","7","1","2","6","7","6","1") = "6"
    & skf21("7","7","1","2","6","7","7","1") = "6"
    & skf21("7","7","1","2","7","1","1","1") = "6"
    & skf21("7","7","1","2","7","1","2","1") = "6"
    & skf21("7","7","1","2","7","1","3","1") = "6"
    & skf21("7","7","1","2","7","1","4","1") = "6"
    & skf21("7","7","1","2","7","1","5","1") = "6"
    & skf21("7","7","1","2","7","1","6","1") = "6"
    & skf21("7","7","1","2","7","1","7","1") = "6"
    & skf21("7","7","1","2","7","2","1","1") = "6"
    & skf21("7","7","1","2","7","2","2","1") = "6"
    & skf21("7","7","1","2","7","2","3","1") = "6"
    & skf21("7","7","1","2","7","2","4","1") = "6"
    & skf21("7","7","1","2","7","2","5","1") = "6"
    & skf21("7","7","1","2","7","2","6","1") = "6"
    & skf21("7","7","1","2","7","2","7","1") = "6"
    & skf21("7","7","1","2","7","3","1","1") = "6"
    & skf21("7","7","1","2","7","3","2","1") = "6"
    & skf21("7","7","1","2","7","3","3","1") = "6"
    & skf21("7","7","1","2","7","3","4","1") = "6"
    & skf21("7","7","1","2","7","3","5","1") = "6"
    & skf21("7","7","1","2","7","3","6","1") = "6"
    & skf21("7","7","1","2","7","3","7","1") = "6"
    & skf21("7","7","1","2","7","4","1","1") = "6"
    & skf21("7","7","1","2","7","4","2","1") = "6"
    & skf21("7","7","1","2","7","4","3","1") = "6"
    & skf21("7","7","1","2","7","4","4","1") = "6"
    & skf21("7","7","1","2","7","4","5","1") = "6"
    & skf21("7","7","1","2","7","4","6","1") = "6"
    & skf21("7","7","1","2","7","4","7","1") = "6"
    & skf21("7","7","1","2","7","5","1","1") = "6"
    & skf21("7","7","1","2","7","5","2","1") = "6"
    & skf21("7","7","1","2","7","5","3","1") = "6"
    & skf21("7","7","1","2","7","5","4","1") = "6"
    & skf21("7","7","1","2","7","5","5","1") = "6"
    & skf21("7","7","1","2","7","5","6","1") = "6"
    & skf21("7","7","1","2","7","5","7","1") = "6"
    & skf21("7","7","1","2","7","6","1","1") = "6"
    & skf21("7","7","1","2","7","6","2","1") = "6"
    & skf21("7","7","1","2","7","6","3","1") = "6"
    & skf21("7","7","1","2","7","6","4","1") = "6"
    & skf21("7","7","1","2","7","6","5","1") = "6"
    & skf21("7","7","1","2","7","6","6","1") = "6"
    & skf21("7","7","1","2","7","6","7","1") = "6"
    & skf21("7","7","1","2","7","7","1","1") = "6"
    & skf21("7","7","1","2","7","7","2","1") = "6"
    & skf21("7","7","1","2","7","7","3","1") = "6"
    & skf21("7","7","1","2","7","7","4","1") = "6"
    & skf21("7","7","1","2","7","7","5","1") = "6"
    & skf21("7","7","1","2","7","7","6","1") = "6"
    & skf21("7","7","1","2","7","7","7","1") = "6"
    & skf21("7","7","1","3","1","1","1","1") = "6"
    & skf21("7","7","1","3","1","1","2","1") = "6"
    & skf21("7","7","1","3","1","1","3","1") = "6"
    & skf21("7","7","1","3","1","1","4","1") = "6"
    & skf21("7","7","1","3","1","1","5","1") = "6"
    & skf21("7","7","1","3","1","1","6","1") = "6"
    & skf21("7","7","1","3","1","1","7","1") = "6"
    & skf21("7","7","1","3","1","2","1","1") = "6"
    & skf21("7","7","1","3","1","2","2","1") = "6"
    & skf21("7","7","1","3","1","2","3","1") = "6"
    & skf21("7","7","1","3","1","2","4","1") = "6"
    & skf21("7","7","1","3","1","2","5","1") = "6"
    & skf21("7","7","1","3","1","2","6","1") = "6"
    & skf21("7","7","1","3","1","2","7","1") = "6"
    & skf21("7","7","1","3","1","3","1","1") = "6"
    & skf21("7","7","1","3","1","3","2","1") = "6"
    & skf21("7","7","1","3","1","3","3","1") = "6"
    & skf21("7","7","1","3","1","3","4","1") = "6"
    & skf21("7","7","1","3","1","3","5","1") = "6"
    & skf21("7","7","1","3","1","3","6","1") = "6"
    & skf21("7","7","1","3","1","3","7","1") = "6"
    & skf21("7","7","1","3","1","4","1","1") = "6"
    & skf21("7","7","1","3","1","4","2","1") = "6"
    & skf21("7","7","1","3","1","4","3","1") = "6"
    & skf21("7","7","1","3","1","4","4","1") = "6"
    & skf21("7","7","1","3","1","4","5","1") = "6"
    & skf21("7","7","1","3","1","4","6","1") = "6"
    & skf21("7","7","1","3","1","4","7","1") = "6"
    & skf21("7","7","1","3","1","5","1","1") = "6"
    & skf21("7","7","1","3","1","5","2","1") = "6"
    & skf21("7","7","1","3","1","5","3","1") = "6"
    & skf21("7","7","1","3","1","5","4","1") = "6"
    & skf21("7","7","1","3","1","5","5","1") = "6"
    & skf21("7","7","1","3","1","5","6","1") = "6"
    & skf21("7","7","1","3","1","5","7","1") = "6"
    & skf21("7","7","1","3","1","6","1","1") = "6"
    & skf21("7","7","1","3","1","6","2","1") = "6"
    & skf21("7","7","1","3","1","6","3","1") = "6"
    & skf21("7","7","1","3","1","6","4","1") = "6"
    & skf21("7","7","1","3","1","6","5","1") = "6"
    & skf21("7","7","1","3","1","6","6","1") = "6"
    & skf21("7","7","1","3","1","6","7","1") = "6"
    & skf21("7","7","1","3","1","7","1","1") = "6"
    & skf21("7","7","1","3","1","7","2","1") = "6"
    & skf21("7","7","1","3","1","7","3","1") = "6"
    & skf21("7","7","1","3","1","7","4","1") = "6"
    & skf21("7","7","1","3","1","7","5","1") = "6"
    & skf21("7","7","1","3","1","7","6","1") = "6"
    & skf21("7","7","1","3","1","7","7","1") = "6"
    & skf21("7","7","1","3","2","1","1","1") = "6"
    & skf21("7","7","1","3","2","1","2","1") = "6"
    & skf21("7","7","1","3","2","1","3","1") = "6"
    & skf21("7","7","1","3","2","1","4","1") = "6"
    & skf21("7","7","1","3","2","1","5","1") = "6"
    & skf21("7","7","1","3","2","1","6","1") = "6"
    & skf21("7","7","1","3","2","1","7","1") = "6"
    & skf21("7","7","1","3","2","2","1","1") = "6"
    & skf21("7","7","1","3","2","2","2","1") = "6"
    & skf21("7","7","1","3","2","2","3","1") = "6"
    & skf21("7","7","1","3","2","2","4","1") = "6"
    & skf21("7","7","1","3","2","2","5","1") = "6"
    & skf21("7","7","1","3","2","2","6","1") = "6"
    & skf21("7","7","1","3","2","2","7","1") = "6"
    & skf21("7","7","1","3","2","3","1","1") = "6"
    & skf21("7","7","1","3","2","3","2","1") = "6"
    & skf21("7","7","1","3","2","3","3","1") = "6"
    & skf21("7","7","1","3","2","3","4","1") = "6"
    & skf21("7","7","1","3","2","3","5","1") = "6"
    & skf21("7","7","1","3","2","3","6","1") = "6"
    & skf21("7","7","1","3","2","3","7","1") = "6"
    & skf21("7","7","1","3","2","4","1","1") = "6"
    & skf21("7","7","1","3","2","4","2","1") = "6"
    & skf21("7","7","1","3","2","4","3","1") = "6"
    & skf21("7","7","1","3","2","4","4","1") = "6"
    & skf21("7","7","1","3","2","4","5","1") = "6"
    & skf21("7","7","1","3","2","4","6","1") = "6"
    & skf21("7","7","1","3","2","4","7","1") = "6"
    & skf21("7","7","1","3","2","5","1","1") = "6"
    & skf21("7","7","1","3","2","5","2","1") = "6"
    & skf21("7","7","1","3","2","5","3","1") = "6"
    & skf21("7","7","1","3","2","5","4","1") = "6"
    & skf21("7","7","1","3","2","5","5","1") = "6"
    & skf21("7","7","1","3","2","5","6","1") = "6"
    & skf21("7","7","1","3","2","5","7","1") = "6"
    & skf21("7","7","1","3","2","6","1","1") = "6"
    & skf21("7","7","1","3","2","6","2","1") = "6"
    & skf21("7","7","1","3","2","6","3","1") = "6"
    & skf21("7","7","1","3","2","6","4","1") = "6"
    & skf21("7","7","1","3","2","6","5","1") = "6"
    & skf21("7","7","1","3","2","6","6","1") = "6"
    & skf21("7","7","1","3","2","6","7","1") = "6"
    & skf21("7","7","1","3","2","7","1","1") = "6"
    & skf21("7","7","1","3","2","7","2","1") = "6"
    & skf21("7","7","1","3","2","7","3","1") = "6"
    & skf21("7","7","1","3","2","7","4","1") = "6"
    & skf21("7","7","1","3","2","7","5","1") = "6"
    & skf21("7","7","1","3","2","7","6","1") = "6"
    & skf21("7","7","1","3","2","7","7","1") = "6"
    & skf21("7","7","1","3","3","1","1","1") = "6"
    & skf21("7","7","1","3","3","1","2","1") = "6"
    & skf21("7","7","1","3","3","1","3","1") = "6"
    & skf21("7","7","1","3","3","1","4","1") = "6"
    & skf21("7","7","1","3","3","1","5","1") = "6"
    & skf21("7","7","1","3","3","1","6","1") = "6"
    & skf21("7","7","1","3","3","1","7","1") = "6"
    & skf21("7","7","1","3","3","2","1","1") = "6"
    & skf21("7","7","1","3","3","2","2","1") = "6"
    & skf21("7","7","1","3","3","2","3","1") = "6"
    & skf21("7","7","1","3","3","2","4","1") = "6"
    & skf21("7","7","1","3","3","2","5","1") = "6"
    & skf21("7","7","1","3","3","2","6","1") = "6"
    & skf21("7","7","1","3","3","2","7","1") = "6"
    & skf21("7","7","1","3","3","3","1","1") = "6"
    & skf21("7","7","1","3","3","3","2","1") = "6"
    & skf21("7","7","1","3","3","3","3","1") = "6"
    & skf21("7","7","1","3","3","3","4","1") = "6"
    & skf21("7","7","1","3","3","3","5","1") = "6"
    & skf21("7","7","1","3","3","3","6","1") = "6"
    & skf21("7","7","1","3","3","3","7","1") = "6"
    & skf21("7","7","1","3","3","4","1","1") = "6"
    & skf21("7","7","1","3","3","4","2","1") = "6"
    & skf21("7","7","1","3","3","4","3","1") = "6"
    & skf21("7","7","1","3","3","4","4","1") = "6"
    & skf21("7","7","1","3","3","4","5","1") = "6"
    & skf21("7","7","1","3","3","4","6","1") = "6"
    & skf21("7","7","1","3","3","4","7","1") = "6"
    & skf21("7","7","1","3","3","5","1","1") = "6"
    & skf21("7","7","1","3","3","5","2","1") = "6"
    & skf21("7","7","1","3","3","5","3","1") = "6"
    & skf21("7","7","1","3","3","5","4","1") = "6"
    & skf21("7","7","1","3","3","5","5","1") = "6"
    & skf21("7","7","1","3","3","5","6","1") = "6"
    & skf21("7","7","1","3","3","5","7","1") = "6"
    & skf21("7","7","1","3","3","6","1","1") = "6"
    & skf21("7","7","1","3","3","6","2","1") = "6"
    & skf21("7","7","1","3","3","6","3","1") = "6"
    & skf21("7","7","1","3","3","6","4","1") = "6"
    & skf21("7","7","1","3","3","6","5","1") = "6"
    & skf21("7","7","1","3","3","6","6","1") = "6"
    & skf21("7","7","1","3","3","6","7","1") = "6"
    & skf21("7","7","1","3","3","7","1","1") = "6"
    & skf21("7","7","1","3","3","7","2","1") = "6"
    & skf21("7","7","1","3","3","7","3","1") = "6"
    & skf21("7","7","1","3","3","7","4","1") = "6"
    & skf21("7","7","1","3","3","7","5","1") = "6"
    & skf21("7","7","1","3","3","7","6","1") = "6"
    & skf21("7","7","1","3","3","7","7","1") = "6"
    & skf21("7","7","1","3","4","1","1","1") = "6"
    & skf21("7","7","1","3","4","1","2","1") = "6"
    & skf21("7","7","1","3","4","1","3","1") = "6"
    & skf21("7","7","1","3","4","1","4","1") = "6"
    & skf21("7","7","1","3","4","1","5","1") = "6"
    & skf21("7","7","1","3","4","1","6","1") = "6"
    & skf21("7","7","1","3","4","1","7","1") = "6"
    & skf21("7","7","1","3","4","2","1","1") = "6"
    & skf21("7","7","1","3","4","2","2","1") = "6"
    & skf21("7","7","1","3","4","2","3","1") = "6"
    & skf21("7","7","1","3","4","2","4","1") = "6"
    & skf21("7","7","1","3","4","2","5","1") = "6"
    & skf21("7","7","1","3","4","2","6","1") = "6"
    & skf21("7","7","1","3","4","2","7","1") = "6"
    & skf21("7","7","1","3","4","3","1","1") = "6"
    & skf21("7","7","1","3","4","3","2","1") = "6"
    & skf21("7","7","1","3","4","3","3","1") = "6"
    & skf21("7","7","1","3","4","3","4","1") = "6"
    & skf21("7","7","1","3","4","3","5","1") = "6"
    & skf21("7","7","1","3","4","3","6","1") = "6"
    & skf21("7","7","1","3","4","3","7","1") = "6"
    & skf21("7","7","1","3","4","4","1","1") = "6"
    & skf21("7","7","1","3","4","4","2","1") = "6"
    & skf21("7","7","1","3","4","4","3","1") = "6"
    & skf21("7","7","1","3","4","4","4","1") = "6"
    & skf21("7","7","1","3","4","4","5","1") = "6"
    & skf21("7","7","1","3","4","4","6","1") = "6"
    & skf21("7","7","1","3","4","4","7","1") = "6"
    & skf21("7","7","1","3","4","5","1","1") = "6"
    & skf21("7","7","1","3","4","5","2","1") = "6"
    & skf21("7","7","1","3","4","5","3","1") = "6"
    & skf21("7","7","1","3","4","5","4","1") = "6"
    & skf21("7","7","1","3","4","5","5","1") = "6"
    & skf21("7","7","1","3","4","5","6","1") = "6"
    & skf21("7","7","1","3","4","5","7","1") = "6"
    & skf21("7","7","1","3","4","6","1","1") = "6"
    & skf21("7","7","1","3","4","6","2","1") = "6"
    & skf21("7","7","1","3","4","6","3","1") = "6"
    & skf21("7","7","1","3","4","6","4","1") = "6"
    & skf21("7","7","1","3","4","6","5","1") = "6"
    & skf21("7","7","1","3","4","6","6","1") = "6"
    & skf21("7","7","1","3","4","6","7","1") = "6"
    & skf21("7","7","1","3","4","7","1","1") = "6"
    & skf21("7","7","1","3","4","7","2","1") = "6"
    & skf21("7","7","1","3","4","7","3","1") = "6"
    & skf21("7","7","1","3","4","7","4","1") = "6"
    & skf21("7","7","1","3","4","7","5","1") = "6"
    & skf21("7","7","1","3","4","7","6","1") = "6"
    & skf21("7","7","1","3","4","7","7","1") = "6"
    & skf21("7","7","1","3","5","1","1","1") = "6"
    & skf21("7","7","1","3","5","1","2","1") = "6"
    & skf21("7","7","1","3","5","1","3","1") = "6"
    & skf21("7","7","1","3","5","1","4","1") = "6"
    & skf21("7","7","1","3","5","1","5","1") = "6"
    & skf21("7","7","1","3","5","1","6","1") = "6"
    & skf21("7","7","1","3","5","1","7","1") = "6"
    & skf21("7","7","1","3","5","2","1","1") = "6"
    & skf21("7","7","1","3","5","2","2","1") = "6"
    & skf21("7","7","1","3","5","2","3","1") = "6"
    & skf21("7","7","1","3","5","2","4","1") = "6"
    & skf21("7","7","1","3","5","2","5","1") = "6"
    & skf21("7","7","1","3","5","2","6","1") = "6"
    & skf21("7","7","1","3","5","2","7","1") = "6"
    & skf21("7","7","1","3","5","3","1","1") = "6"
    & skf21("7","7","1","3","5","3","2","1") = "6"
    & skf21("7","7","1","3","5","3","3","1") = "6"
    & skf21("7","7","1","3","5","3","4","1") = "6"
    & skf21("7","7","1","3","5","3","5","1") = "6"
    & skf21("7","7","1","3","5","3","6","1") = "6"
    & skf21("7","7","1","3","5","3","7","1") = "6"
    & skf21("7","7","1","3","5","4","1","1") = "6"
    & skf21("7","7","1","3","5","4","2","1") = "6"
    & skf21("7","7","1","3","5","4","3","1") = "6"
    & skf21("7","7","1","3","5","4","4","1") = "6"
    & skf21("7","7","1","3","5","4","5","1") = "6"
    & skf21("7","7","1","3","5","4","6","1") = "6"
    & skf21("7","7","1","3","5","4","7","1") = "6"
    & skf21("7","7","1","3","5","5","1","1") = "6"
    & skf21("7","7","1","3","5","5","2","1") = "6"
    & skf21("7","7","1","3","5","5","3","1") = "6"
    & skf21("7","7","1","3","5","5","4","1") = "6"
    & skf21("7","7","1","3","5","5","5","1") = "6"
    & skf21("7","7","1","3","5","5","6","1") = "6"
    & skf21("7","7","1","3","5","5","7","1") = "6"
    & skf21("7","7","1","3","5","6","1","1") = "6"
    & skf21("7","7","1","3","5","6","2","1") = "6"
    & skf21("7","7","1","3","5","6","3","1") = "6"
    & skf21("7","7","1","3","5","6","4","1") = "6"
    & skf21("7","7","1","3","5","6","5","1") = "6"
    & skf21("7","7","1","3","5","6","6","1") = "6"
    & skf21("7","7","1","3","5","6","7","1") = "6"
    & skf21("7","7","1","3","5","7","1","1") = "6"
    & skf21("7","7","1","3","5","7","2","1") = "6"
    & skf21("7","7","1","3","5","7","3","1") = "6"
    & skf21("7","7","1","3","5","7","4","1") = "6"
    & skf21("7","7","1","3","5","7","5","1") = "6"
    & skf21("7","7","1","3","5","7","6","1") = "6"
    & skf21("7","7","1","3","5","7","7","1") = "6"
    & skf21("7","7","1","3","6","1","1","1") = "6"
    & skf21("7","7","1","3","6","1","2","1") = "6"
    & skf21("7","7","1","3","6","1","3","1") = "6"
    & skf21("7","7","1","3","6","1","4","1") = "6"
    & skf21("7","7","1","3","6","1","5","1") = "6"
    & skf21("7","7","1","3","6","1","6","1") = "6"
    & skf21("7","7","1","3","6","1","7","1") = "6"
    & skf21("7","7","1","3","6","2","1","1") = "6"
    & skf21("7","7","1","3","6","2","2","1") = "6"
    & skf21("7","7","1","3","6","2","3","1") = "6"
    & skf21("7","7","1","3","6","2","4","1") = "6"
    & skf21("7","7","1","3","6","2","5","1") = "6"
    & skf21("7","7","1","3","6","2","6","1") = "6"
    & skf21("7","7","1","3","6","2","7","1") = "6"
    & skf21("7","7","1","3","6","3","1","1") = "6"
    & skf21("7","7","1","3","6","3","2","1") = "6"
    & skf21("7","7","1","3","6","3","3","1") = "6"
    & skf21("7","7","1","3","6","3","4","1") = "6"
    & skf21("7","7","1","3","6","3","5","1") = "6"
    & skf21("7","7","1","3","6","3","6","1") = "6"
    & skf21("7","7","1","3","6","3","7","1") = "6"
    & skf21("7","7","1","3","6","4","1","1") = "6"
    & skf21("7","7","1","3","6","4","2","1") = "6"
    & skf21("7","7","1","3","6","4","3","1") = "6"
    & skf21("7","7","1","3","6","4","4","1") = "6"
    & skf21("7","7","1","3","6","4","5","1") = "6"
    & skf21("7","7","1","3","6","4","6","1") = "6"
    & skf21("7","7","1","3","6","4","7","1") = "6"
    & skf21("7","7","1","3","6","5","1","1") = "6"
    & skf21("7","7","1","3","6","5","2","1") = "6"
    & skf21("7","7","1","3","6","5","3","1") = "6"
    & skf21("7","7","1","3","6","5","4","1") = "6"
    & skf21("7","7","1","3","6","5","5","1") = "6"
    & skf21("7","7","1","3","6","5","6","1") = "6"
    & skf21("7","7","1","3","6","5","7","1") = "6"
    & skf21("7","7","1","3","6","6","1","1") = "6"
    & skf21("7","7","1","3","6","6","2","1") = "6"
    & skf21("7","7","1","3","6","6","3","1") = "6"
    & skf21("7","7","1","3","6","6","4","1") = "6"
    & skf21("7","7","1","3","6","6","5","1") = "6"
    & skf21("7","7","1","3","6","6","6","1") = "6"
    & skf21("7","7","1","3","6","6","7","1") = "6"
    & skf21("7","7","1","3","6","7","1","1") = "6"
    & skf21("7","7","1","3","6","7","2","1") = "6"
    & skf21("7","7","1","3","6","7","3","1") = "6"
    & skf21("7","7","1","3","6","7","4","1") = "6"
    & skf21("7","7","1","3","6","7","5","1") = "6"
    & skf21("7","7","1","3","6","7","6","1") = "6"
    & skf21("7","7","1","3","6","7","7","1") = "6"
    & skf21("7","7","1","3","7","1","1","1") = "6"
    & skf21("7","7","1","3","7","1","2","1") = "6"
    & skf21("7","7","1","3","7","1","3","1") = "6"
    & skf21("7","7","1","3","7","1","4","1") = "6"
    & skf21("7","7","1","3","7","1","5","1") = "6"
    & skf21("7","7","1","3","7","1","6","1") = "6"
    & skf21("7","7","1","3","7","1","7","1") = "6"
    & skf21("7","7","1","3","7","2","1","1") = "6"
    & skf21("7","7","1","3","7","2","2","1") = "6"
    & skf21("7","7","1","3","7","2","3","1") = "6"
    & skf21("7","7","1","3","7","2","4","1") = "6"
    & skf21("7","7","1","3","7","2","5","1") = "6"
    & skf21("7","7","1","3","7","2","6","1") = "6"
    & skf21("7","7","1","3","7","2","7","1") = "6"
    & skf21("7","7","1","3","7","3","1","1") = "6"
    & skf21("7","7","1","3","7","3","2","1") = "6"
    & skf21("7","7","1","3","7","3","3","1") = "6"
    & skf21("7","7","1","3","7","3","4","1") = "6"
    & skf21("7","7","1","3","7","3","5","1") = "6"
    & skf21("7","7","1","3","7","3","6","1") = "6"
    & skf21("7","7","1","3","7","3","7","1") = "6"
    & skf21("7","7","1","3","7","4","1","1") = "6"
    & skf21("7","7","1","3","7","4","2","1") = "6"
    & skf21("7","7","1","3","7","4","3","1") = "6"
    & skf21("7","7","1","3","7","4","4","1") = "6"
    & skf21("7","7","1","3","7","4","5","1") = "6"
    & skf21("7","7","1","3","7","4","6","1") = "6"
    & skf21("7","7","1","3","7","4","7","1") = "6"
    & skf21("7","7","1","3","7","5","1","1") = "6"
    & skf21("7","7","1","3","7","5","2","1") = "6"
    & skf21("7","7","1","3","7","5","3","1") = "6"
    & skf21("7","7","1","3","7","5","4","1") = "6"
    & skf21("7","7","1","3","7","5","5","1") = "6"
    & skf21("7","7","1","3","7","5","6","1") = "6"
    & skf21("7","7","1","3","7","5","7","1") = "6"
    & skf21("7","7","1","3","7","6","1","1") = "6"
    & skf21("7","7","1","3","7","6","2","1") = "6"
    & skf21("7","7","1","3","7","6","3","1") = "6"
    & skf21("7","7","1","3","7","6","4","1") = "6"
    & skf21("7","7","1","3","7","6","5","1") = "6"
    & skf21("7","7","1","3","7","6","6","1") = "6"
    & skf21("7","7","1","3","7","6","7","1") = "6"
    & skf21("7","7","1","3","7","7","1","1") = "6"
    & skf21("7","7","1","3","7","7","2","1") = "6"
    & skf21("7","7","1","3","7","7","3","1") = "6"
    & skf21("7","7","1","3","7","7","4","1") = "6"
    & skf21("7","7","1","3","7","7","5","1") = "6"
    & skf21("7","7","1","3","7","7","6","1") = "6"
    & skf21("7","7","1","3","7","7","7","1") = "6"
    & skf21("7","7","1","4","1","1","1","1") = "6"
    & skf21("7","7","1","4","1","1","2","1") = "6"
    & skf21("7","7","1","4","1","1","3","1") = "6"
    & skf21("7","7","1","4","1","1","4","1") = "6"
    & skf21("7","7","1","4","1","1","5","1") = "6"
    & skf21("7","7","1","4","1","1","6","1") = "6"
    & skf21("7","7","1","4","1","1","7","1") = "6"
    & skf21("7","7","1","4","1","2","1","1") = "6"
    & skf21("7","7","1","4","1","2","2","1") = "6"
    & skf21("7","7","1","4","1","2","3","1") = "6"
    & skf21("7","7","1","4","1","2","4","1") = "6"
    & skf21("7","7","1","4","1","2","5","1") = "6"
    & skf21("7","7","1","4","1","2","6","1") = "6"
    & skf21("7","7","1","4","1","2","7","1") = "6"
    & skf21("7","7","1","4","1","3","1","1") = "6"
    & skf21("7","7","1","4","1","3","2","1") = "6"
    & skf21("7","7","1","4","1","3","3","1") = "6"
    & skf21("7","7","1","4","1","3","4","1") = "6"
    & skf21("7","7","1","4","1","3","5","1") = "6"
    & skf21("7","7","1","4","1","3","6","1") = "6"
    & skf21("7","7","1","4","1","3","7","1") = "6"
    & skf21("7","7","1","4","1","4","1","1") = "6"
    & skf21("7","7","1","4","1","4","2","1") = "6"
    & skf21("7","7","1","4","1","4","3","1") = "6"
    & skf21("7","7","1","4","1","4","4","1") = "6"
    & skf21("7","7","1","4","1","4","5","1") = "6"
    & skf21("7","7","1","4","1","4","6","1") = "6"
    & skf21("7","7","1","4","1","4","7","1") = "6"
    & skf21("7","7","1","4","1","5","1","1") = "6"
    & skf21("7","7","1","4","1","5","2","1") = "6"
    & skf21("7","7","1","4","1","5","3","1") = "6"
    & skf21("7","7","1","4","1","5","4","1") = "6"
    & skf21("7","7","1","4","1","5","5","1") = "6"
    & skf21("7","7","1","4","1","5","6","1") = "6"
    & skf21("7","7","1","4","1","5","7","1") = "6"
    & skf21("7","7","1","4","1","6","1","1") = "6"
    & skf21("7","7","1","4","1","6","2","1") = "6"
    & skf21("7","7","1","4","1","6","3","1") = "6"
    & skf21("7","7","1","4","1","6","4","1") = "6"
    & skf21("7","7","1","4","1","6","5","1") = "6"
    & skf21("7","7","1","4","1","6","6","1") = "6"
    & skf21("7","7","1","4","1","6","7","1") = "6"
    & skf21("7","7","1","4","1","7","1","1") = "6"
    & skf21("7","7","1","4","1","7","2","1") = "6"
    & skf21("7","7","1","4","1","7","3","1") = "6"
    & skf21("7","7","1","4","1","7","4","1") = "6"
    & skf21("7","7","1","4","1","7","5","1") = "6"
    & skf21("7","7","1","4","1","7","6","1") = "6"
    & skf21("7","7","1","4","1","7","7","1") = "6"
    & skf21("7","7","1","4","2","1","1","1") = "6"
    & skf21("7","7","1","4","2","1","2","1") = "6"
    & skf21("7","7","1","4","2","1","3","1") = "6"
    & skf21("7","7","1","4","2","1","4","1") = "6"
    & skf21("7","7","1","4","2","1","5","1") = "6"
    & skf21("7","7","1","4","2","1","6","1") = "6"
    & skf21("7","7","1","4","2","1","7","1") = "6"
    & skf21("7","7","1","4","2","2","1","1") = "6"
    & skf21("7","7","1","4","2","2","2","1") = "6"
    & skf21("7","7","1","4","2","2","3","1") = "6"
    & skf21("7","7","1","4","2","2","4","1") = "6"
    & skf21("7","7","1","4","2","2","5","1") = "6"
    & skf21("7","7","1","4","2","2","6","1") = "6"
    & skf21("7","7","1","4","2","2","7","1") = "6"
    & skf21("7","7","1","4","2","3","1","1") = "6"
    & skf21("7","7","1","4","2","3","2","1") = "6"
    & skf21("7","7","1","4","2","3","3","1") = "6"
    & skf21("7","7","1","4","2","3","4","1") = "6"
    & skf21("7","7","1","4","2","3","5","1") = "6"
    & skf21("7","7","1","4","2","3","6","1") = "6"
    & skf21("7","7","1","4","2","3","7","1") = "6"
    & skf21("7","7","1","4","2","4","1","1") = "6"
    & skf21("7","7","1","4","2","4","2","1") = "6"
    & skf21("7","7","1","4","2","4","3","1") = "6"
    & skf21("7","7","1","4","2","4","4","1") = "6"
    & skf21("7","7","1","4","2","4","5","1") = "6"
    & skf21("7","7","1","4","2","4","6","1") = "6"
    & skf21("7","7","1","4","2","4","7","1") = "6"
    & skf21("7","7","1","4","2","5","1","1") = "6"
    & skf21("7","7","1","4","2","5","2","1") = "6"
    & skf21("7","7","1","4","2","5","3","1") = "6"
    & skf21("7","7","1","4","2","5","4","1") = "6"
    & skf21("7","7","1","4","2","5","5","1") = "6"
    & skf21("7","7","1","4","2","5","6","1") = "6"
    & skf21("7","7","1","4","2","5","7","1") = "6"
    & skf21("7","7","1","4","2","6","1","1") = "6"
    & skf21("7","7","1","4","2","6","2","1") = "6"
    & skf21("7","7","1","4","2","6","3","1") = "6"
    & skf21("7","7","1","4","2","6","4","1") = "6"
    & skf21("7","7","1","4","2","6","5","1") = "6"
    & skf21("7","7","1","4","2","6","6","1") = "6"
    & skf21("7","7","1","4","2","6","7","1") = "6"
    & skf21("7","7","1","4","2","7","1","1") = "6"
    & skf21("7","7","1","4","2","7","2","1") = "6"
    & skf21("7","7","1","4","2","7","3","1") = "6"
    & skf21("7","7","1","4","2","7","4","1") = "6"
    & skf21("7","7","1","4","2","7","5","1") = "6"
    & skf21("7","7","1","4","2","7","6","1") = "6"
    & skf21("7","7","1","4","2","7","7","1") = "6"
    & skf21("7","7","1","4","3","1","1","1") = "6"
    & skf21("7","7","1","4","3","1","2","1") = "6"
    & skf21("7","7","1","4","3","1","3","1") = "6"
    & skf21("7","7","1","4","3","1","4","1") = "6"
    & skf21("7","7","1","4","3","1","5","1") = "6"
    & skf21("7","7","1","4","3","1","6","1") = "6"
    & skf21("7","7","1","4","3","1","7","1") = "6"
    & skf21("7","7","1","4","3","2","1","1") = "6"
    & skf21("7","7","1","4","3","2","2","1") = "6"
    & skf21("7","7","1","4","3","2","3","1") = "6"
    & skf21("7","7","1","4","3","2","4","1") = "6"
    & skf21("7","7","1","4","3","2","5","1") = "6"
    & skf21("7","7","1","4","3","2","6","1") = "6"
    & skf21("7","7","1","4","3","2","7","1") = "6"
    & skf21("7","7","1","4","3","3","1","1") = "6"
    & skf21("7","7","1","4","3","3","2","1") = "6"
    & skf21("7","7","1","4","3","3","3","1") = "6"
    & skf21("7","7","1","4","3","3","4","1") = "6"
    & skf21("7","7","1","4","3","3","5","1") = "6"
    & skf21("7","7","1","4","3","3","6","1") = "6"
    & skf21("7","7","1","4","3","3","7","1") = "6"
    & skf21("7","7","1","4","3","4","1","1") = "6"
    & skf21("7","7","1","4","3","4","2","1") = "6"
    & skf21("7","7","1","4","3","4","3","1") = "6"
    & skf21("7","7","1","4","3","4","4","1") = "6"
    & skf21("7","7","1","4","3","4","5","1") = "6"
    & skf21("7","7","1","4","3","4","6","1") = "6"
    & skf21("7","7","1","4","3","4","7","1") = "6"
    & skf21("7","7","1","4","3","5","1","1") = "6"
    & skf21("7","7","1","4","3","5","2","1") = "6"
    & skf21("7","7","1","4","3","5","3","1") = "6"
    & skf21("7","7","1","4","3","5","4","1") = "6"
    & skf21("7","7","1","4","3","5","5","1") = "6"
    & skf21("7","7","1","4","3","5","6","1") = "6"
    & skf21("7","7","1","4","3","5","7","1") = "6"
    & skf21("7","7","1","4","3","6","1","1") = "6"
    & skf21("7","7","1","4","3","6","2","1") = "6"
    & skf21("7","7","1","4","3","6","3","1") = "6"
    & skf21("7","7","1","4","3","6","4","1") = "6"
    & skf21("7","7","1","4","3","6","5","1") = "6"
    & skf21("7","7","1","4","3","6","6","1") = "6"
    & skf21("7","7","1","4","3","6","7","1") = "6"
    & skf21("7","7","1","4","3","7","1","1") = "6"
    & skf21("7","7","1","4","3","7","2","1") = "6"
    & skf21("7","7","1","4","3","7","3","1") = "6"
    & skf21("7","7","1","4","3","7","4","1") = "6"
    & skf21("7","7","1","4","3","7","5","1") = "6"
    & skf21("7","7","1","4","3","7","6","1") = "6"
    & skf21("7","7","1","4","3","7","7","1") = "6"
    & skf21("7","7","1","4","4","1","1","1") = "6"
    & skf21("7","7","1","4","4","1","2","1") = "6"
    & skf21("7","7","1","4","4","1","3","1") = "6"
    & skf21("7","7","1","4","4","1","4","1") = "6"
    & skf21("7","7","1","4","4","1","5","1") = "6"
    & skf21("7","7","1","4","4","1","6","1") = "6"
    & skf21("7","7","1","4","4","1","7","1") = "6"
    & skf21("7","7","1","4","4","2","1","1") = "6"
    & skf21("7","7","1","4","4","2","2","1") = "6"
    & skf21("7","7","1","4","4","2","3","1") = "6"
    & skf21("7","7","1","4","4","2","4","1") = "6"
    & skf21("7","7","1","4","4","2","5","1") = "6"
    & skf21("7","7","1","4","4","2","6","1") = "6"
    & skf21("7","7","1","4","4","2","7","1") = "6"
    & skf21("7","7","1","4","4","3","1","1") = "6"
    & skf21("7","7","1","4","4","3","2","1") = "6"
    & skf21("7","7","1","4","4","3","3","1") = "6"
    & skf21("7","7","1","4","4","3","4","1") = "6"
    & skf21("7","7","1","4","4","3","5","1") = "6"
    & skf21("7","7","1","4","4","3","6","1") = "6"
    & skf21("7","7","1","4","4","3","7","1") = "6"
    & skf21("7","7","1","4","4","4","1","1") = "6"
    & skf21("7","7","1","4","4","4","2","1") = "6"
    & skf21("7","7","1","4","4","4","3","1") = "6"
    & skf21("7","7","1","4","4","4","4","1") = "6"
    & skf21("7","7","1","4","4","4","5","1") = "6"
    & skf21("7","7","1","4","4","4","6","1") = "6"
    & skf21("7","7","1","4","4","4","7","1") = "6"
    & skf21("7","7","1","4","4","5","1","1") = "6"
    & skf21("7","7","1","4","4","5","2","1") = "6"
    & skf21("7","7","1","4","4","5","3","1") = "6"
    & skf21("7","7","1","4","4","5","4","1") = "6"
    & skf21("7","7","1","4","4","5","5","1") = "6"
    & skf21("7","7","1","4","4","5","6","1") = "6"
    & skf21("7","7","1","4","4","5","7","1") = "6"
    & skf21("7","7","1","4","4","6","1","1") = "6"
    & skf21("7","7","1","4","4","6","2","1") = "6"
    & skf21("7","7","1","4","4","6","3","1") = "6"
    & skf21("7","7","1","4","4","6","4","1") = "6"
    & skf21("7","7","1","4","4","6","5","1") = "6"
    & skf21("7","7","1","4","4","6","6","1") = "6"
    & skf21("7","7","1","4","4","6","7","1") = "6"
    & skf21("7","7","1","4","4","7","1","1") = "6"
    & skf21("7","7","1","4","4","7","2","1") = "6"
    & skf21("7","7","1","4","4","7","3","1") = "6"
    & skf21("7","7","1","4","4","7","4","1") = "6"
    & skf21("7","7","1","4","4","7","5","1") = "6"
    & skf21("7","7","1","4","4","7","6","1") = "6"
    & skf21("7","7","1","4","4","7","7","1") = "6"
    & skf21("7","7","1","4","5","1","1","1") = "6"
    & skf21("7","7","1","4","5","1","2","1") = "6"
    & skf21("7","7","1","4","5","1","3","1") = "6"
    & skf21("7","7","1","4","5","1","4","1") = "6"
    & skf21("7","7","1","4","5","1","5","1") = "6"
    & skf21("7","7","1","4","5","1","6","1") = "6"
    & skf21("7","7","1","4","5","1","7","1") = "6"
    & skf21("7","7","1","4","5","2","1","1") = "6"
    & skf21("7","7","1","4","5","2","2","1") = "6"
    & skf21("7","7","1","4","5","2","3","1") = "6"
    & skf21("7","7","1","4","5","2","4","1") = "6"
    & skf21("7","7","1","4","5","2","5","1") = "6"
    & skf21("7","7","1","4","5","2","6","1") = "6"
    & skf21("7","7","1","4","5","2","7","1") = "6"
    & skf21("7","7","1","4","5","3","1","1") = "6"
    & skf21("7","7","1","4","5","3","2","1") = "6"
    & skf21("7","7","1","4","5","3","3","1") = "6"
    & skf21("7","7","1","4","5","3","4","1") = "6"
    & skf21("7","7","1","4","5","3","5","1") = "6"
    & skf21("7","7","1","4","5","3","6","1") = "6"
    & skf21("7","7","1","4","5","3","7","1") = "6"
    & skf21("7","7","1","4","5","4","1","1") = "6"
    & skf21("7","7","1","4","5","4","2","1") = "6"
    & skf21("7","7","1","4","5","4","3","1") = "6"
    & skf21("7","7","1","4","5","4","4","1") = "6"
    & skf21("7","7","1","4","5","4","5","1") = "6"
    & skf21("7","7","1","4","5","4","6","1") = "6"
    & skf21("7","7","1","4","5","4","7","1") = "6"
    & skf21("7","7","1","4","5","5","1","1") = "6"
    & skf21("7","7","1","4","5","5","2","1") = "6"
    & skf21("7","7","1","4","5","5","3","1") = "6"
    & skf21("7","7","1","4","5","5","4","1") = "6"
    & skf21("7","7","1","4","5","5","5","1") = "6"
    & skf21("7","7","1","4","5","5","6","1") = "6"
    & skf21("7","7","1","4","5","5","7","1") = "6"
    & skf21("7","7","1","4","5","6","1","1") = "6"
    & skf21("7","7","1","4","5","6","2","1") = "6"
    & skf21("7","7","1","4","5","6","3","1") = "6"
    & skf21("7","7","1","4","5","6","4","1") = "6"
    & skf21("7","7","1","4","5","6","5","1") = "6"
    & skf21("7","7","1","4","5","6","6","1") = "6"
    & skf21("7","7","1","4","5","6","7","1") = "6"
    & skf21("7","7","1","4","5","7","1","1") = "6"
    & skf21("7","7","1","4","5","7","2","1") = "6"
    & skf21("7","7","1","4","5","7","3","1") = "6"
    & skf21("7","7","1","4","5","7","4","1") = "6"
    & skf21("7","7","1","4","5","7","5","1") = "6"
    & skf21("7","7","1","4","5","7","6","1") = "6"
    & skf21("7","7","1","4","5","7","7","1") = "6"
    & skf21("7","7","1","4","6","1","1","1") = "6"
    & skf21("7","7","1","4","6","1","2","1") = "6"
    & skf21("7","7","1","4","6","1","3","1") = "6"
    & skf21("7","7","1","4","6","1","4","1") = "6"
    & skf21("7","7","1","4","6","1","5","1") = "6"
    & skf21("7","7","1","4","6","1","6","1") = "6"
    & skf21("7","7","1","4","6","1","7","1") = "6"
    & skf21("7","7","1","4","6","2","1","1") = "6"
    & skf21("7","7","1","4","6","2","2","1") = "6"
    & skf21("7","7","1","4","6","2","3","1") = "6"
    & skf21("7","7","1","4","6","2","4","1") = "6"
    & skf21("7","7","1","4","6","2","5","1") = "6"
    & skf21("7","7","1","4","6","2","6","1") = "6"
    & skf21("7","7","1","4","6","2","7","1") = "6"
    & skf21("7","7","1","4","6","3","1","1") = "6"
    & skf21("7","7","1","4","6","3","2","1") = "6"
    & skf21("7","7","1","4","6","3","3","1") = "6"
    & skf21("7","7","1","4","6","3","4","1") = "6"
    & skf21("7","7","1","4","6","3","5","1") = "6"
    & skf21("7","7","1","4","6","3","6","1") = "6"
    & skf21("7","7","1","4","6","3","7","1") = "6"
    & skf21("7","7","1","4","6","4","1","1") = "6"
    & skf21("7","7","1","4","6","4","2","1") = "6"
    & skf21("7","7","1","4","6","4","3","1") = "6"
    & skf21("7","7","1","4","6","4","4","1") = "6"
    & skf21("7","7","1","4","6","4","5","1") = "6"
    & skf21("7","7","1","4","6","4","6","1") = "6"
    & skf21("7","7","1","4","6","4","7","1") = "6"
    & skf21("7","7","1","4","6","5","1","1") = "6"
    & skf21("7","7","1","4","6","5","2","1") = "6"
    & skf21("7","7","1","4","6","5","3","1") = "6"
    & skf21("7","7","1","4","6","5","4","1") = "6"
    & skf21("7","7","1","4","6","5","5","1") = "6"
    & skf21("7","7","1","4","6","5","6","1") = "6"
    & skf21("7","7","1","4","6","5","7","1") = "6"
    & skf21("7","7","1","4","6","6","1","1") = "6"
    & skf21("7","7","1","4","6","6","2","1") = "6"
    & skf21("7","7","1","4","6","6","3","1") = "6"
    & skf21("7","7","1","4","6","6","4","1") = "6"
    & skf21("7","7","1","4","6","6","5","1") = "6"
    & skf21("7","7","1","4","6","6","6","1") = "6"
    & skf21("7","7","1","4","6","6","7","1") = "6"
    & skf21("7","7","1","4","6","7","1","1") = "6"
    & skf21("7","7","1","4","6","7","2","1") = "6"
    & skf21("7","7","1","4","6","7","3","1") = "6"
    & skf21("7","7","1","4","6","7","4","1") = "6"
    & skf21("7","7","1","4","6","7","5","1") = "6"
    & skf21("7","7","1","4","6","7","6","1") = "6"
    & skf21("7","7","1","4","6","7","7","1") = "6"
    & skf21("7","7","1","4","7","1","1","1") = "6"
    & skf21("7","7","1","4","7","1","2","1") = "6"
    & skf21("7","7","1","4","7","1","3","1") = "6"
    & skf21("7","7","1","4","7","1","4","1") = "6"
    & skf21("7","7","1","4","7","1","5","1") = "6"
    & skf21("7","7","1","4","7","1","6","1") = "6"
    & skf21("7","7","1","4","7","1","7","1") = "6"
    & skf21("7","7","1","4","7","2","1","1") = "6"
    & skf21("7","7","1","4","7","2","2","1") = "6"
    & skf21("7","7","1","4","7","2","3","1") = "6"
    & skf21("7","7","1","4","7","2","4","1") = "6"
    & skf21("7","7","1","4","7","2","5","1") = "6"
    & skf21("7","7","1","4","7","2","6","1") = "6"
    & skf21("7","7","1","4","7","2","7","1") = "6"
    & skf21("7","7","1","4","7","3","1","1") = "6"
    & skf21("7","7","1","4","7","3","2","1") = "6"
    & skf21("7","7","1","4","7","3","3","1") = "6"
    & skf21("7","7","1","4","7","3","4","1") = "6"
    & skf21("7","7","1","4","7","3","5","1") = "6"
    & skf21("7","7","1","4","7","3","6","1") = "6"
    & skf21("7","7","1","4","7","3","7","1") = "6"
    & skf21("7","7","1","4","7","4","1","1") = "6"
    & skf21("7","7","1","4","7","4","2","1") = "6"
    & skf21("7","7","1","4","7","4","3","1") = "6"
    & skf21("7","7","1","4","7","4","4","1") = "6"
    & skf21("7","7","1","4","7","4","5","1") = "6"
    & skf21("7","7","1","4","7","4","6","1") = "6"
    & skf21("7","7","1","4","7","4","7","1") = "6"
    & skf21("7","7","1","4","7","5","1","1") = "6"
    & skf21("7","7","1","4","7","5","2","1") = "6"
    & skf21("7","7","1","4","7","5","3","1") = "6"
    & skf21("7","7","1","4","7","5","4","1") = "6"
    & skf21("7","7","1","4","7","5","5","1") = "6"
    & skf21("7","7","1","4","7","5","6","1") = "6"
    & skf21("7","7","1","4","7","5","7","1") = "6"
    & skf21("7","7","1","4","7","6","1","1") = "6"
    & skf21("7","7","1","4","7","6","2","1") = "6"
    & skf21("7","7","1","4","7","6","3","1") = "6"
    & skf21("7","7","1","4","7","6","4","1") = "6"
    & skf21("7","7","1","4","7","6","5","1") = "6"
    & skf21("7","7","1","4","7","6","6","1") = "6"
    & skf21("7","7","1","4","7","6","7","1") = "6"
    & skf21("7","7","1","4","7","7","1","1") = "6"
    & skf21("7","7","1","4","7","7","2","1") = "6"
    & skf21("7","7","1","4","7","7","3","1") = "6"
    & skf21("7","7","1","4","7","7","4","1") = "6"
    & skf21("7","7","1","4","7","7","5","1") = "6"
    & skf21("7","7","1","4","7","7","6","1") = "6"
    & skf21("7","7","1","4","7","7","7","1") = "6"
    & skf21("7","7","1","5","1","1","1","1") = "6"
    & skf21("7","7","1","5","1","1","2","1") = "6"
    & skf21("7","7","1","5","1","1","3","1") = "6"
    & skf21("7","7","1","5","1","1","4","1") = "6"
    & skf21("7","7","1","5","1","1","5","1") = "6"
    & skf21("7","7","1","5","1","1","6","1") = "6"
    & skf21("7","7","1","5","1","1","7","1") = "6"
    & skf21("7","7","1","5","1","2","1","1") = "6"
    & skf21("7","7","1","5","1","2","2","1") = "6"
    & skf21("7","7","1","5","1","2","3","1") = "6"
    & skf21("7","7","1","5","1","2","4","1") = "6"
    & skf21("7","7","1","5","1","2","5","1") = "6"
    & skf21("7","7","1","5","1","2","6","1") = "6"
    & skf21("7","7","1","5","1","2","7","1") = "6"
    & skf21("7","7","1","5","1","3","1","1") = "6"
    & skf21("7","7","1","5","1","3","2","1") = "6"
    & skf21("7","7","1","5","1","3","3","1") = "6"
    & skf21("7","7","1","5","1","3","4","1") = "6"
    & skf21("7","7","1","5","1","3","5","1") = "6"
    & skf21("7","7","1","5","1","3","6","1") = "6"
    & skf21("7","7","1","5","1","3","7","1") = "6"
    & skf21("7","7","1","5","1","4","1","1") = "6"
    & skf21("7","7","1","5","1","4","2","1") = "6"
    & skf21("7","7","1","5","1","4","3","1") = "6"
    & skf21("7","7","1","5","1","4","4","1") = "6"
    & skf21("7","7","1","5","1","4","5","1") = "6"
    & skf21("7","7","1","5","1","4","6","1") = "6"
    & skf21("7","7","1","5","1","4","7","1") = "6"
    & skf21("7","7","1","5","1","5","1","1") = "6"
    & skf21("7","7","1","5","1","5","2","1") = "6"
    & skf21("7","7","1","5","1","5","3","1") = "6"
    & skf21("7","7","1","5","1","5","4","1") = "6"
    & skf21("7","7","1","5","1","5","5","1") = "6"
    & skf21("7","7","1","5","1","5","6","1") = "6"
    & skf21("7","7","1","5","1","5","7","1") = "6"
    & skf21("7","7","1","5","1","6","1","1") = "6"
    & skf21("7","7","1","5","1","6","2","1") = "6"
    & skf21("7","7","1","5","1","6","3","1") = "6"
    & skf21("7","7","1","5","1","6","4","1") = "6"
    & skf21("7","7","1","5","1","6","5","1") = "6"
    & skf21("7","7","1","5","1","6","6","1") = "6"
    & skf21("7","7","1","5","1","6","7","1") = "6"
    & skf21("7","7","1","5","1","7","1","1") = "6"
    & skf21("7","7","1","5","1","7","2","1") = "6"
    & skf21("7","7","1","5","1","7","3","1") = "6"
    & skf21("7","7","1","5","1","7","4","1") = "6"
    & skf21("7","7","1","5","1","7","5","1") = "6"
    & skf21("7","7","1","5","1","7","6","1") = "6"
    & skf21("7","7","1","5","1","7","7","1") = "6"
    & skf21("7","7","1","5","2","1","1","1") = "6"
    & skf21("7","7","1","5","2","1","2","1") = "6"
    & skf21("7","7","1","5","2","1","3","1") = "6"
    & skf21("7","7","1","5","2","1","4","1") = "6"
    & skf21("7","7","1","5","2","1","5","1") = "6"
    & skf21("7","7","1","5","2","1","6","1") = "6"
    & skf21("7","7","1","5","2","1","7","1") = "6"
    & skf21("7","7","1","5","2","2","1","1") = "6"
    & skf21("7","7","1","5","2","2","2","1") = "6"
    & skf21("7","7","1","5","2","2","3","1") = "6"
    & skf21("7","7","1","5","2","2","4","1") = "6"
    & skf21("7","7","1","5","2","2","5","1") = "6"
    & skf21("7","7","1","5","2","2","6","1") = "6"
    & skf21("7","7","1","5","2","2","7","1") = "6"
    & skf21("7","7","1","5","2","3","1","1") = "6"
    & skf21("7","7","1","5","2","3","2","1") = "6"
    & skf21("7","7","1","5","2","3","3","1") = "6"
    & skf21("7","7","1","5","2","3","4","1") = "6"
    & skf21("7","7","1","5","2","3","5","1") = "6"
    & skf21("7","7","1","5","2","3","6","1") = "6"
    & skf21("7","7","1","5","2","3","7","1") = "6"
    & skf21("7","7","1","5","2","4","1","1") = "6"
    & skf21("7","7","1","5","2","4","2","1") = "6"
    & skf21("7","7","1","5","2","4","3","1") = "6"
    & skf21("7","7","1","5","2","4","4","1") = "6"
    & skf21("7","7","1","5","2","4","5","1") = "6"
    & skf21("7","7","1","5","2","4","6","1") = "6"
    & skf21("7","7","1","5","2","4","7","1") = "6"
    & skf21("7","7","1","5","2","5","1","1") = "6"
    & skf21("7","7","1","5","2","5","2","1") = "6"
    & skf21("7","7","1","5","2","5","3","1") = "6"
    & skf21("7","7","1","5","2","5","4","1") = "6"
    & skf21("7","7","1","5","2","5","5","1") = "6"
    & skf21("7","7","1","5","2","5","6","1") = "6"
    & skf21("7","7","1","5","2","5","7","1") = "6"
    & skf21("7","7","1","5","2","6","1","1") = "6"
    & skf21("7","7","1","5","2","6","2","1") = "6"
    & skf21("7","7","1","5","2","6","3","1") = "6"
    & skf21("7","7","1","5","2","6","4","1") = "6"
    & skf21("7","7","1","5","2","6","5","1") = "6"
    & skf21("7","7","1","5","2","6","6","1") = "6"
    & skf21("7","7","1","5","2","6","7","1") = "6"
    & skf21("7","7","1","5","2","7","1","1") = "6"
    & skf21("7","7","1","5","2","7","2","1") = "6"
    & skf21("7","7","1","5","2","7","3","1") = "6"
    & skf21("7","7","1","5","2","7","4","1") = "6"
    & skf21("7","7","1","5","2","7","5","1") = "6"
    & skf21("7","7","1","5","2","7","6","1") = "6"
    & skf21("7","7","1","5","2","7","7","1") = "6"
    & skf21("7","7","1","5","3","1","1","1") = "6"
    & skf21("7","7","1","5","3","1","2","1") = "6"
    & skf21("7","7","1","5","3","1","3","1") = "6"
    & skf21("7","7","1","5","3","1","4","1") = "6"
    & skf21("7","7","1","5","3","1","5","1") = "6"
    & skf21("7","7","1","5","3","1","6","1") = "6"
    & skf21("7","7","1","5","3","1","7","1") = "6"
    & skf21("7","7","1","5","3","2","1","1") = "6"
    & skf21("7","7","1","5","3","2","2","1") = "6"
    & skf21("7","7","1","5","3","2","3","1") = "6"
    & skf21("7","7","1","5","3","2","4","1") = "6"
    & skf21("7","7","1","5","3","2","5","1") = "6"
    & skf21("7","7","1","5","3","2","6","1") = "6"
    & skf21("7","7","1","5","3","2","7","1") = "6"
    & skf21("7","7","1","5","3","3","1","1") = "6"
    & skf21("7","7","1","5","3","3","2","1") = "6"
    & skf21("7","7","1","5","3","3","3","1") = "6"
    & skf21("7","7","1","5","3","3","4","1") = "6"
    & skf21("7","7","1","5","3","3","5","1") = "6"
    & skf21("7","7","1","5","3","3","6","1") = "6"
    & skf21("7","7","1","5","3","3","7","1") = "6"
    & skf21("7","7","1","5","3","4","1","1") = "6"
    & skf21("7","7","1","5","3","4","2","1") = "6"
    & skf21("7","7","1","5","3","4","3","1") = "6"
    & skf21("7","7","1","5","3","4","4","1") = "6"
    & skf21("7","7","1","5","3","4","5","1") = "6"
    & skf21("7","7","1","5","3","4","6","1") = "6"
    & skf21("7","7","1","5","3","4","7","1") = "6"
    & skf21("7","7","1","5","3","5","1","1") = "6"
    & skf21("7","7","1","5","3","5","2","1") = "6"
    & skf21("7","7","1","5","3","5","3","1") = "6"
    & skf21("7","7","1","5","3","5","4","1") = "6"
    & skf21("7","7","1","5","3","5","5","1") = "6"
    & skf21("7","7","1","5","3","5","6","1") = "6"
    & skf21("7","7","1","5","3","5","7","1") = "6"
    & skf21("7","7","1","5","3","6","1","1") = "6"
    & skf21("7","7","1","5","3","6","2","1") = "6"
    & skf21("7","7","1","5","3","6","3","1") = "6"
    & skf21("7","7","1","5","3","6","4","1") = "6"
    & skf21("7","7","1","5","3","6","5","1") = "6"
    & skf21("7","7","1","5","3","6","6","1") = "6"
    & skf21("7","7","1","5","3","6","7","1") = "6"
    & skf21("7","7","1","5","3","7","1","1") = "6"
    & skf21("7","7","1","5","3","7","2","1") = "6"
    & skf21("7","7","1","5","3","7","3","1") = "6"
    & skf21("7","7","1","5","3","7","4","1") = "6"
    & skf21("7","7","1","5","3","7","5","1") = "6"
    & skf21("7","7","1","5","3","7","6","1") = "6"
    & skf21("7","7","1","5","3","7","7","1") = "6"
    & skf21("7","7","1","5","4","1","1","1") = "6"
    & skf21("7","7","1","5","4","1","2","1") = "6"
    & skf21("7","7","1","5","4","1","3","1") = "6"
    & skf21("7","7","1","5","4","1","4","1") = "6"
    & skf21("7","7","1","5","4","1","5","1") = "6"
    & skf21("7","7","1","5","4","1","6","1") = "6"
    & skf21("7","7","1","5","4","1","7","1") = "6"
    & skf21("7","7","1","5","4","2","1","1") = "6"
    & skf21("7","7","1","5","4","2","2","1") = "6"
    & skf21("7","7","1","5","4","2","3","1") = "6"
    & skf21("7","7","1","5","4","2","4","1") = "6"
    & skf21("7","7","1","5","4","2","5","1") = "6"
    & skf21("7","7","1","5","4","2","6","1") = "6"
    & skf21("7","7","1","5","4","2","7","1") = "6"
    & skf21("7","7","1","5","4","3","1","1") = "6"
    & skf21("7","7","1","5","4","3","2","1") = "6"
    & skf21("7","7","1","5","4","3","3","1") = "6"
    & skf21("7","7","1","5","4","3","4","1") = "6"
    & skf21("7","7","1","5","4","3","5","1") = "6"
    & skf21("7","7","1","5","4","3","6","1") = "6"
    & skf21("7","7","1","5","4","3","7","1") = "6"
    & skf21("7","7","1","5","4","4","1","1") = "6"
    & skf21("7","7","1","5","4","4","2","1") = "6"
    & skf21("7","7","1","5","4","4","3","1") = "6"
    & skf21("7","7","1","5","4","4","4","1") = "6"
    & skf21("7","7","1","5","4","4","5","1") = "6"
    & skf21("7","7","1","5","4","4","6","1") = "6"
    & skf21("7","7","1","5","4","4","7","1") = "6"
    & skf21("7","7","1","5","4","5","1","1") = "6"
    & skf21("7","7","1","5","4","5","2","1") = "6"
    & skf21("7","7","1","5","4","5","3","1") = "6"
    & skf21("7","7","1","5","4","5","4","1") = "6"
    & skf21("7","7","1","5","4","5","5","1") = "6"
    & skf21("7","7","1","5","4","5","6","1") = "6"
    & skf21("7","7","1","5","4","5","7","1") = "6"
    & skf21("7","7","1","5","4","6","1","1") = "6"
    & skf21("7","7","1","5","4","6","2","1") = "6"
    & skf21("7","7","1","5","4","6","3","1") = "6"
    & skf21("7","7","1","5","4","6","4","1") = "6"
    & skf21("7","7","1","5","4","6","5","1") = "6"
    & skf21("7","7","1","5","4","6","6","1") = "6"
    & skf21("7","7","1","5","4","6","7","1") = "6"
    & skf21("7","7","1","5","4","7","1","1") = "6"
    & skf21("7","7","1","5","4","7","2","1") = "6"
    & skf21("7","7","1","5","4","7","3","1") = "6"
    & skf21("7","7","1","5","4","7","4","1") = "6"
    & skf21("7","7","1","5","4","7","5","1") = "6"
    & skf21("7","7","1","5","4","7","6","1") = "6"
    & skf21("7","7","1","5","4","7","7","1") = "6"
    & skf21("7","7","1","5","5","1","1","1") = "6"
    & skf21("7","7","1","5","5","1","2","1") = "6"
    & skf21("7","7","1","5","5","1","3","1") = "6"
    & skf21("7","7","1","5","5","1","4","1") = "6"
    & skf21("7","7","1","5","5","1","5","1") = "6"
    & skf21("7","7","1","5","5","1","6","1") = "6"
    & skf21("7","7","1","5","5","1","7","1") = "6"
    & skf21("7","7","1","5","5","2","1","1") = "6"
    & skf21("7","7","1","5","5","2","2","1") = "6"
    & skf21("7","7","1","5","5","2","3","1") = "6"
    & skf21("7","7","1","5","5","2","4","1") = "6"
    & skf21("7","7","1","5","5","2","5","1") = "6"
    & skf21("7","7","1","5","5","2","6","1") = "6"
    & skf21("7","7","1","5","5","2","7","1") = "6"
    & skf21("7","7","1","5","5","3","1","1") = "6"
    & skf21("7","7","1","5","5","3","2","1") = "6"
    & skf21("7","7","1","5","5","3","3","1") = "6"
    & skf21("7","7","1","5","5","3","4","1") = "6"
    & skf21("7","7","1","5","5","3","5","1") = "6"
    & skf21("7","7","1","5","5","3","6","1") = "6"
    & skf21("7","7","1","5","5","3","7","1") = "6"
    & skf21("7","7","1","5","5","4","1","1") = "6"
    & skf21("7","7","1","5","5","4","2","1") = "6"
    & skf21("7","7","1","5","5","4","3","1") = "6"
    & skf21("7","7","1","5","5","4","4","1") = "6"
    & skf21("7","7","1","5","5","4","5","1") = "6"
    & skf21("7","7","1","5","5","4","6","1") = "6"
    & skf21("7","7","1","5","5","4","7","1") = "6"
    & skf21("7","7","1","5","5","5","1","1") = "6"
    & skf21("7","7","1","5","5","5","2","1") = "6"
    & skf21("7","7","1","5","5","5","3","1") = "6"
    & skf21("7","7","1","5","5","5","4","1") = "6"
    & skf21("7","7","1","5","5","5","5","1") = "6"
    & skf21("7","7","1","5","5","5","6","1") = "6"
    & skf21("7","7","1","5","5","5","7","1") = "6"
    & skf21("7","7","1","5","5","6","1","1") = "6"
    & skf21("7","7","1","5","5","6","2","1") = "6"
    & skf21("7","7","1","5","5","6","3","1") = "6"
    & skf21("7","7","1","5","5","6","4","1") = "6"
    & skf21("7","7","1","5","5","6","5","1") = "6"
    & skf21("7","7","1","5","5","6","6","1") = "6"
    & skf21("7","7","1","5","5","6","7","1") = "6"
    & skf21("7","7","1","5","5","7","1","1") = "6"
    & skf21("7","7","1","5","5","7","2","1") = "6"
    & skf21("7","7","1","5","5","7","3","1") = "6"
    & skf21("7","7","1","5","5","7","4","1") = "6"
    & skf21("7","7","1","5","5","7","5","1") = "6"
    & skf21("7","7","1","5","5","7","6","1") = "6"
    & skf21("7","7","1","5","5","7","7","1") = "6"
    & skf21("7","7","1","5","6","1","1","1") = "6"
    & skf21("7","7","1","5","6","1","2","1") = "6"
    & skf21("7","7","1","5","6","1","3","1") = "6"
    & skf21("7","7","1","5","6","1","4","1") = "6"
    & skf21("7","7","1","5","6","1","5","1") = "6"
    & skf21("7","7","1","5","6","1","6","1") = "6"
    & skf21("7","7","1","5","6","1","7","1") = "6"
    & skf21("7","7","1","5","6","2","1","1") = "6"
    & skf21("7","7","1","5","6","2","2","1") = "6"
    & skf21("7","7","1","5","6","2","3","1") = "6"
    & skf21("7","7","1","5","6","2","4","1") = "6"
    & skf21("7","7","1","5","6","2","5","1") = "6"
    & skf21("7","7","1","5","6","2","6","1") = "6"
    & skf21("7","7","1","5","6","2","7","1") = "6"
    & skf21("7","7","1","5","6","3","1","1") = "6"
    & skf21("7","7","1","5","6","3","2","1") = "6"
    & skf21("7","7","1","5","6","3","3","1") = "6"
    & skf21("7","7","1","5","6","3","4","1") = "6"
    & skf21("7","7","1","5","6","3","5","1") = "6"
    & skf21("7","7","1","5","6","3","6","1") = "6"
    & skf21("7","7","1","5","6","3","7","1") = "6"
    & skf21("7","7","1","5","6","4","1","1") = "6"
    & skf21("7","7","1","5","6","4","2","1") = "6"
    & skf21("7","7","1","5","6","4","3","1") = "6"
    & skf21("7","7","1","5","6","4","4","1") = "6"
    & skf21("7","7","1","5","6","4","5","1") = "6"
    & skf21("7","7","1","5","6","4","6","1") = "6"
    & skf21("7","7","1","5","6","4","7","1") = "6"
    & skf21("7","7","1","5","6","5","1","1") = "6"
    & skf21("7","7","1","5","6","5","2","1") = "6"
    & skf21("7","7","1","5","6","5","3","1") = "6"
    & skf21("7","7","1","5","6","5","4","1") = "6"
    & skf21("7","7","1","5","6","5","5","1") = "6"
    & skf21("7","7","1","5","6","5","6","1") = "6"
    & skf21("7","7","1","5","6","5","7","1") = "6"
    & skf21("7","7","1","5","6","6","1","1") = "6"
    & skf21("7","7","1","5","6","6","2","1") = "6"
    & skf21("7","7","1","5","6","6","3","1") = "6"
    & skf21("7","7","1","5","6","6","4","1") = "6"
    & skf21("7","7","1","5","6","6","5","1") = "6"
    & skf21("7","7","1","5","6","6","6","1") = "6"
    & skf21("7","7","1","5","6","6","7","1") = "6"
    & skf21("7","7","1","5","6","7","1","1") = "6"
    & skf21("7","7","1","5","6","7","2","1") = "6"
    & skf21("7","7","1","5","6","7","3","1") = "6"
    & skf21("7","7","1","5","6","7","4","1") = "6"
    & skf21("7","7","1","5","6","7","5","1") = "6"
    & skf21("7","7","1","5","6","7","6","1") = "6"
    & skf21("7","7","1","5","6","7","7","1") = "6"
    & skf21("7","7","1","5","7","1","1","1") = "6"
    & skf21("7","7","1","5","7","1","2","1") = "6"
    & skf21("7","7","1","5","7","1","3","1") = "6"
    & skf21("7","7","1","5","7","1","4","1") = "6"
    & skf21("7","7","1","5","7","1","5","1") = "6"
    & skf21("7","7","1","5","7","1","6","1") = "6"
    & skf21("7","7","1","5","7","1","7","1") = "6"
    & skf21("7","7","1","5","7","2","1","1") = "6"
    & skf21("7","7","1","5","7","2","2","1") = "6"
    & skf21("7","7","1","5","7","2","3","1") = "6"
    & skf21("7","7","1","5","7","2","4","1") = "6"
    & skf21("7","7","1","5","7","2","5","1") = "6"
    & skf21("7","7","1","5","7","2","6","1") = "6"
    & skf21("7","7","1","5","7","2","7","1") = "6"
    & skf21("7","7","1","5","7","3","1","1") = "6"
    & skf21("7","7","1","5","7","3","2","1") = "6"
    & skf21("7","7","1","5","7","3","3","1") = "6"
    & skf21("7","7","1","5","7","3","4","1") = "6"
    & skf21("7","7","1","5","7","3","5","1") = "6"
    & skf21("7","7","1","5","7","3","6","1") = "6"
    & skf21("7","7","1","5","7","3","7","1") = "6"
    & skf21("7","7","1","5","7","4","1","1") = "6"
    & skf21("7","7","1","5","7","4","2","1") = "6"
    & skf21("7","7","1","5","7","4","3","1") = "6"
    & skf21("7","7","1","5","7","4","4","1") = "6"
    & skf21("7","7","1","5","7","4","5","1") = "6"
    & skf21("7","7","1","5","7","4","6","1") = "6"
    & skf21("7","7","1","5","7","4","7","1") = "6"
    & skf21("7","7","1","5","7","5","1","1") = "6"
    & skf21("7","7","1","5","7","5","2","1") = "6"
    & skf21("7","7","1","5","7","5","3","1") = "6"
    & skf21("7","7","1","5","7","5","4","1") = "6"
    & skf21("7","7","1","5","7","5","5","1") = "6"
    & skf21("7","7","1","5","7","5","6","1") = "6"
    & skf21("7","7","1","5","7","5","7","1") = "6"
    & skf21("7","7","1","5","7","6","1","1") = "6"
    & skf21("7","7","1","5","7","6","2","1") = "6"
    & skf21("7","7","1","5","7","6","3","1") = "6"
    & skf21("7","7","1","5","7","6","4","1") = "6"
    & skf21("7","7","1","5","7","6","5","1") = "6"
    & skf21("7","7","1","5","7","6","6","1") = "6"
    & skf21("7","7","1","5","7","6","7","1") = "6"
    & skf21("7","7","1","5","7","7","1","1") = "6"
    & skf21("7","7","1","5","7","7","2","1") = "6"
    & skf21("7","7","1","5","7","7","3","1") = "6"
    & skf21("7","7","1","5","7","7","4","1") = "6"
    & skf21("7","7","1","5","7","7","5","1") = "6"
    & skf21("7","7","1","5","7","7","6","1") = "6"
    & skf21("7","7","1","5","7","7","7","1") = "6"
    & skf21("7","7","1","6","1","1","1","1") = "6"
    & skf21("7","7","1","6","1","1","2","1") = "6"
    & skf21("7","7","1","6","1","1","3","1") = "6"
    & skf21("7","7","1","6","1","1","4","1") = "6"
    & skf21("7","7","1","6","1","1","5","1") = "6"
    & skf21("7","7","1","6","1","1","6","1") = "6"
    & skf21("7","7","1","6","1","1","7","1") = "6"
    & skf21("7","7","1","6","1","2","1","1") = "6"
    & skf21("7","7","1","6","1","2","2","1") = "6"
    & skf21("7","7","1","6","1","2","3","1") = "6"
    & skf21("7","7","1","6","1","2","4","1") = "6"
    & skf21("7","7","1","6","1","2","5","1") = "6"
    & skf21("7","7","1","6","1","2","6","1") = "6"
    & skf21("7","7","1","6","1","2","7","1") = "6"
    & skf21("7","7","1","6","1","3","1","1") = "6"
    & skf21("7","7","1","6","1","3","2","1") = "6"
    & skf21("7","7","1","6","1","3","3","1") = "6"
    & skf21("7","7","1","6","1","3","4","1") = "6"
    & skf21("7","7","1","6","1","3","5","1") = "6"
    & skf21("7","7","1","6","1","3","6","1") = "6"
    & skf21("7","7","1","6","1","3","7","1") = "6"
    & skf21("7","7","1","6","1","4","1","1") = "6"
    & skf21("7","7","1","6","1","4","2","1") = "6"
    & skf21("7","7","1","6","1","4","3","1") = "6"
    & skf21("7","7","1","6","1","4","4","1") = "6"
    & skf21("7","7","1","6","1","4","5","1") = "6"
    & skf21("7","7","1","6","1","4","6","1") = "6"
    & skf21("7","7","1","6","1","4","7","1") = "6"
    & skf21("7","7","1","6","1","5","1","1") = "6"
    & skf21("7","7","1","6","1","5","2","1") = "6"
    & skf21("7","7","1","6","1","5","3","1") = "6"
    & skf21("7","7","1","6","1","5","4","1") = "6"
    & skf21("7","7","1","6","1","5","5","1") = "6"
    & skf21("7","7","1","6","1","5","6","1") = "6"
    & skf21("7","7","1","6","1","5","7","1") = "6"
    & skf21("7","7","1","6","1","6","1","1") = "6"
    & skf21("7","7","1","6","1","6","2","1") = "6"
    & skf21("7","7","1","6","1","6","3","1") = "6"
    & skf21("7","7","1","6","1","6","4","1") = "6"
    & skf21("7","7","1","6","1","6","5","1") = "6"
    & skf21("7","7","1","6","1","6","6","1") = "6"
    & skf21("7","7","1","6","1","6","7","1") = "6"
    & skf21("7","7","1","6","1","7","1","1") = "6"
    & skf21("7","7","1","6","1","7","2","1") = "6"
    & skf21("7","7","1","6","1","7","3","1") = "6"
    & skf21("7","7","1","6","1","7","4","1") = "6"
    & skf21("7","7","1","6","1","7","5","1") = "6"
    & skf21("7","7","1","6","1","7","6","1") = "6"
    & skf21("7","7","1","6","1","7","7","1") = "6"
    & skf21("7","7","1","6","2","1","1","1") = "6"
    & skf21("7","7","1","6","2","1","2","1") = "6"
    & skf21("7","7","1","6","2","1","3","1") = "6"
    & skf21("7","7","1","6","2","1","4","1") = "6"
    & skf21("7","7","1","6","2","1","5","1") = "6"
    & skf21("7","7","1","6","2","1","6","1") = "6"
    & skf21("7","7","1","6","2","1","7","1") = "6"
    & skf21("7","7","1","6","2","2","1","1") = "6"
    & skf21("7","7","1","6","2","2","2","1") = "6"
    & skf21("7","7","1","6","2","2","3","1") = "6"
    & skf21("7","7","1","6","2","2","4","1") = "6"
    & skf21("7","7","1","6","2","2","5","1") = "6"
    & skf21("7","7","1","6","2","2","6","1") = "6"
    & skf21("7","7","1","6","2","2","7","1") = "6"
    & skf21("7","7","1","6","2","3","1","1") = "6"
    & skf21("7","7","1","6","2","3","2","1") = "6"
    & skf21("7","7","1","6","2","3","3","1") = "6"
    & skf21("7","7","1","6","2","3","4","1") = "6"
    & skf21("7","7","1","6","2","3","5","1") = "6"
    & skf21("7","7","1","6","2","3","6","1") = "6"
    & skf21("7","7","1","6","2","3","7","1") = "6"
    & skf21("7","7","1","6","2","4","1","1") = "6"
    & skf21("7","7","1","6","2","4","2","1") = "6"
    & skf21("7","7","1","6","2","4","3","1") = "6"
    & skf21("7","7","1","6","2","4","4","1") = "6"
    & skf21("7","7","1","6","2","4","5","1") = "6"
    & skf21("7","7","1","6","2","4","6","1") = "6"
    & skf21("7","7","1","6","2","4","7","1") = "6"
    & skf21("7","7","1","6","2","5","1","1") = "6"
    & skf21("7","7","1","6","2","5","2","1") = "6"
    & skf21("7","7","1","6","2","5","3","1") = "6"
    & skf21("7","7","1","6","2","5","4","1") = "6"
    & skf21("7","7","1","6","2","5","5","1") = "6"
    & skf21("7","7","1","6","2","5","6","1") = "6"
    & skf21("7","7","1","6","2","5","7","1") = "6"
    & skf21("7","7","1","6","2","6","1","1") = "6"
    & skf21("7","7","1","6","2","6","2","1") = "6"
    & skf21("7","7","1","6","2","6","3","1") = "6"
    & skf21("7","7","1","6","2","6","4","1") = "6"
    & skf21("7","7","1","6","2","6","5","1") = "6"
    & skf21("7","7","1","6","2","6","6","1") = "6"
    & skf21("7","7","1","6","2","6","7","1") = "6"
    & skf21("7","7","1","6","2","7","1","1") = "6"
    & skf21("7","7","1","6","2","7","2","1") = "6"
    & skf21("7","7","1","6","2","7","3","1") = "6"
    & skf21("7","7","1","6","2","7","4","1") = "6"
    & skf21("7","7","1","6","2","7","5","1") = "6"
    & skf21("7","7","1","6","2","7","6","1") = "6"
    & skf21("7","7","1","6","2","7","7","1") = "6"
    & skf21("7","7","1","6","3","1","1","1") = "6"
    & skf21("7","7","1","6","3","1","2","1") = "6"
    & skf21("7","7","1","6","3","1","3","1") = "6"
    & skf21("7","7","1","6","3","1","4","1") = "6"
    & skf21("7","7","1","6","3","1","5","1") = "6"
    & skf21("7","7","1","6","3","1","6","1") = "6"
    & skf21("7","7","1","6","3","1","7","1") = "6"
    & skf21("7","7","1","6","3","2","1","1") = "6"
    & skf21("7","7","1","6","3","2","2","1") = "6"
    & skf21("7","7","1","6","3","2","3","1") = "6"
    & skf21("7","7","1","6","3","2","4","1") = "6"
    & skf21("7","7","1","6","3","2","5","1") = "6"
    & skf21("7","7","1","6","3","2","6","1") = "6"
    & skf21("7","7","1","6","3","2","7","1") = "6"
    & skf21("7","7","1","6","3","3","1","1") = "6"
    & skf21("7","7","1","6","3","3","2","1") = "6"
    & skf21("7","7","1","6","3","3","3","1") = "6"
    & skf21("7","7","1","6","3","3","4","1") = "6"
    & skf21("7","7","1","6","3","3","5","1") = "6"
    & skf21("7","7","1","6","3","3","6","1") = "6"
    & skf21("7","7","1","6","3","3","7","1") = "6"
    & skf21("7","7","1","6","3","4","1","1") = "6"
    & skf21("7","7","1","6","3","4","2","1") = "6"
    & skf21("7","7","1","6","3","4","3","1") = "6"
    & skf21("7","7","1","6","3","4","4","1") = "6"
    & skf21("7","7","1","6","3","4","5","1") = "6"
    & skf21("7","7","1","6","3","4","6","1") = "6"
    & skf21("7","7","1","6","3","4","7","1") = "6"
    & skf21("7","7","1","6","3","5","1","1") = "6"
    & skf21("7","7","1","6","3","5","2","1") = "6"
    & skf21("7","7","1","6","3","5","3","1") = "6"
    & skf21("7","7","1","6","3","5","4","1") = "6"
    & skf21("7","7","1","6","3","5","5","1") = "6"
    & skf21("7","7","1","6","3","5","6","1") = "6"
    & skf21("7","7","1","6","3","5","7","1") = "6"
    & skf21("7","7","1","6","3","6","1","1") = "6"
    & skf21("7","7","1","6","3","6","2","1") = "6"
    & skf21("7","7","1","6","3","6","3","1") = "6"
    & skf21("7","7","1","6","3","6","4","1") = "6"
    & skf21("7","7","1","6","3","6","5","1") = "6"
    & skf21("7","7","1","6","3","6","6","1") = "6"
    & skf21("7","7","1","6","3","6","7","1") = "6"
    & skf21("7","7","1","6","3","7","1","1") = "6"
    & skf21("7","7","1","6","3","7","2","1") = "6"
    & skf21("7","7","1","6","3","7","3","1") = "6"
    & skf21("7","7","1","6","3","7","4","1") = "6"
    & skf21("7","7","1","6","3","7","5","1") = "6"
    & skf21("7","7","1","6","3","7","6","1") = "6"
    & skf21("7","7","1","6","3","7","7","1") = "6"
    & skf21("7","7","1","6","4","1","1","1") = "6"
    & skf21("7","7","1","6","4","1","2","1") = "6"
    & skf21("7","7","1","6","4","1","3","1") = "6"
    & skf21("7","7","1","6","4","1","4","1") = "6"
    & skf21("7","7","1","6","4","1","5","1") = "6"
    & skf21("7","7","1","6","4","1","6","1") = "6"
    & skf21("7","7","1","6","4","1","7","1") = "6"
    & skf21("7","7","1","6","4","2","1","1") = "6"
    & skf21("7","7","1","6","4","2","2","1") = "6"
    & skf21("7","7","1","6","4","2","3","1") = "6"
    & skf21("7","7","1","6","4","2","4","1") = "6"
    & skf21("7","7","1","6","4","2","5","1") = "6"
    & skf21("7","7","1","6","4","2","6","1") = "6"
    & skf21("7","7","1","6","4","2","7","1") = "6"
    & skf21("7","7","1","6","4","3","1","1") = "6"
    & skf21("7","7","1","6","4","3","2","1") = "6"
    & skf21("7","7","1","6","4","3","3","1") = "6"
    & skf21("7","7","1","6","4","3","4","1") = "6"
    & skf21("7","7","1","6","4","3","5","1") = "6"
    & skf21("7","7","1","6","4","3","6","1") = "6"
    & skf21("7","7","1","6","4","3","7","1") = "6"
    & skf21("7","7","1","6","4","4","1","1") = "6"
    & skf21("7","7","1","6","4","4","2","1") = "6"
    & skf21("7","7","1","6","4","4","3","1") = "6"
    & skf21("7","7","1","6","4","4","4","1") = "6"
    & skf21("7","7","1","6","4","4","5","1") = "6"
    & skf21("7","7","1","6","4","4","6","1") = "6"
    & skf21("7","7","1","6","4","4","7","1") = "6"
    & skf21("7","7","1","6","4","5","1","1") = "6"
    & skf21("7","7","1","6","4","5","2","1") = "6"
    & skf21("7","7","1","6","4","5","3","1") = "6"
    & skf21("7","7","1","6","4","5","4","1") = "6"
    & skf21("7","7","1","6","4","5","5","1") = "6"
    & skf21("7","7","1","6","4","5","6","1") = "6"
    & skf21("7","7","1","6","4","5","7","1") = "6"
    & skf21("7","7","1","6","4","6","1","1") = "6"
    & skf21("7","7","1","6","4","6","2","1") = "6"
    & skf21("7","7","1","6","4","6","3","1") = "6"
    & skf21("7","7","1","6","4","6","4","1") = "6"
    & skf21("7","7","1","6","4","6","5","1") = "6"
    & skf21("7","7","1","6","4","6","6","1") = "6"
    & skf21("7","7","1","6","4","6","7","1") = "6"
    & skf21("7","7","1","6","4","7","1","1") = "6"
    & skf21("7","7","1","6","4","7","2","1") = "6"
    & skf21("7","7","1","6","4","7","3","1") = "6"
    & skf21("7","7","1","6","4","7","4","1") = "6"
    & skf21("7","7","1","6","4","7","5","1") = "6"
    & skf21("7","7","1","6","4","7","6","1") = "6"
    & skf21("7","7","1","6","4","7","7","1") = "6"
    & skf21("7","7","1","6","5","1","1","1") = "6"
    & skf21("7","7","1","6","5","1","2","1") = "6"
    & skf21("7","7","1","6","5","1","3","1") = "6"
    & skf21("7","7","1","6","5","1","4","1") = "6"
    & skf21("7","7","1","6","5","1","5","1") = "6"
    & skf21("7","7","1","6","5","1","6","1") = "6"
    & skf21("7","7","1","6","5","1","7","1") = "6"
    & skf21("7","7","1","6","5","2","1","1") = "6"
    & skf21("7","7","1","6","5","2","2","1") = "6"
    & skf21("7","7","1","6","5","2","3","1") = "6"
    & skf21("7","7","1","6","5","2","4","1") = "6"
    & skf21("7","7","1","6","5","2","5","1") = "6"
    & skf21("7","7","1","6","5","2","6","1") = "6"
    & skf21("7","7","1","6","5","2","7","1") = "6"
    & skf21("7","7","1","6","5","3","1","1") = "6"
    & skf21("7","7","1","6","5","3","2","1") = "6"
    & skf21("7","7","1","6","5","3","3","1") = "6"
    & skf21("7","7","1","6","5","3","4","1") = "6"
    & skf21("7","7","1","6","5","3","5","1") = "6"
    & skf21("7","7","1","6","5","3","6","1") = "6"
    & skf21("7","7","1","6","5","3","7","1") = "6"
    & skf21("7","7","1","6","5","4","1","1") = "6"
    & skf21("7","7","1","6","5","4","2","1") = "6"
    & skf21("7","7","1","6","5","4","3","1") = "6"
    & skf21("7","7","1","6","5","4","4","1") = "6"
    & skf21("7","7","1","6","5","4","5","1") = "6"
    & skf21("7","7","1","6","5","4","6","1") = "6"
    & skf21("7","7","1","6","5","4","7","1") = "6"
    & skf21("7","7","1","6","5","5","1","1") = "6"
    & skf21("7","7","1","6","5","5","2","1") = "6"
    & skf21("7","7","1","6","5","5","3","1") = "6"
    & skf21("7","7","1","6","5","5","4","1") = "6"
    & skf21("7","7","1","6","5","5","5","1") = "6"
    & skf21("7","7","1","6","5","5","6","1") = "6"
    & skf21("7","7","1","6","5","5","7","1") = "6"
    & skf21("7","7","1","6","5","6","1","1") = "6"
    & skf21("7","7","1","6","5","6","2","1") = "6"
    & skf21("7","7","1","6","5","6","3","1") = "6"
    & skf21("7","7","1","6","5","6","4","1") = "6"
    & skf21("7","7","1","6","5","6","5","1") = "6"
    & skf21("7","7","1","6","5","6","6","1") = "6"
    & skf21("7","7","1","6","5","6","7","1") = "6"
    & skf21("7","7","1","6","5","7","1","1") = "6"
    & skf21("7","7","1","6","5","7","2","1") = "6"
    & skf21("7","7","1","6","5","7","3","1") = "6"
    & skf21("7","7","1","6","5","7","4","1") = "6"
    & skf21("7","7","1","6","5","7","5","1") = "6"
    & skf21("7","7","1","6","5","7","6","1") = "6"
    & skf21("7","7","1","6","5","7","7","1") = "6"
    & skf21("7","7","1","6","6","1","1","1") = "6"
    & skf21("7","7","1","6","6","1","2","1") = "6"
    & skf21("7","7","1","6","6","1","3","1") = "6"
    & skf21("7","7","1","6","6","1","4","1") = "6"
    & skf21("7","7","1","6","6","1","5","1") = "6"
    & skf21("7","7","1","6","6","1","6","1") = "6"
    & skf21("7","7","1","6","6","1","7","1") = "6"
    & skf21("7","7","1","6","6","2","1","1") = "6"
    & skf21("7","7","1","6","6","2","2","1") = "6"
    & skf21("7","7","1","6","6","2","3","1") = "6"
    & skf21("7","7","1","6","6","2","4","1") = "6"
    & skf21("7","7","1","6","6","2","5","1") = "6"
    & skf21("7","7","1","6","6","2","6","1") = "6"
    & skf21("7","7","1","6","6","2","7","1") = "6"
    & skf21("7","7","1","6","6","3","1","1") = "6"
    & skf21("7","7","1","6","6","3","2","1") = "6"
    & skf21("7","7","1","6","6","3","3","1") = "6"
    & skf21("7","7","1","6","6","3","4","1") = "6"
    & skf21("7","7","1","6","6","3","5","1") = "6"
    & skf21("7","7","1","6","6","3","6","1") = "6"
    & skf21("7","7","1","6","6","3","7","1") = "6"
    & skf21("7","7","1","6","6","4","1","1") = "6"
    & skf21("7","7","1","6","6","4","2","1") = "6"
    & skf21("7","7","1","6","6","4","3","1") = "6"
    & skf21("7","7","1","6","6","4","4","1") = "6"
    & skf21("7","7","1","6","6","4","5","1") = "6"
    & skf21("7","7","1","6","6","4","6","1") = "6"
    & skf21("7","7","1","6","6","4","7","1") = "6"
    & skf21("7","7","1","6","6","5","1","1") = "6"
    & skf21("7","7","1","6","6","5","2","1") = "6"
    & skf21("7","7","1","6","6","5","3","1") = "6"
    & skf21("7","7","1","6","6","5","4","1") = "6"
    & skf21("7","7","1","6","6","5","5","1") = "6"
    & skf21("7","7","1","6","6","5","6","1") = "6"
    & skf21("7","7","1","6","6","5","7","1") = "6"
    & skf21("7","7","1","6","6","6","1","1") = "6"
    & skf21("7","7","1","6","6","6","2","1") = "6"
    & skf21("7","7","1","6","6","6","3","1") = "6"
    & skf21("7","7","1","6","6","6","4","1") = "6"
    & skf21("7","7","1","6","6","6","5","1") = "6"
    & skf21("7","7","1","6","6","6","6","1") = "6"
    & skf21("7","7","1","6","6","6","7","1") = "6"
    & skf21("7","7","1","6","6","7","1","1") = "6"
    & skf21("7","7","1","6","6","7","2","1") = "6"
    & skf21("7","7","1","6","6","7","3","1") = "6"
    & skf21("7","7","1","6","6","7","4","1") = "6"
    & skf21("7","7","1","6","6","7","5","1") = "6"
    & skf21("7","7","1","6","6","7","6","1") = "6"
    & skf21("7","7","1","6","6","7","7","1") = "6"
    & skf21("7","7","1","6","7","1","1","1") = "6"
    & skf21("7","7","1","6","7","1","2","1") = "6"
    & skf21("7","7","1","6","7","1","3","1") = "6"
    & skf21("7","7","1","6","7","1","4","1") = "6"
    & skf21("7","7","1","6","7","1","5","1") = "6"
    & skf21("7","7","1","6","7","1","6","1") = "6"
    & skf21("7","7","1","6","7","1","7","1") = "6"
    & skf21("7","7","1","6","7","2","1","1") = "6"
    & skf21("7","7","1","6","7","2","2","1") = "6"
    & skf21("7","7","1","6","7","2","3","1") = "6"
    & skf21("7","7","1","6","7","2","4","1") = "6"
    & skf21("7","7","1","6","7","2","5","1") = "6"
    & skf21("7","7","1","6","7","2","6","1") = "6"
    & skf21("7","7","1","6","7","2","7","1") = "6"
    & skf21("7","7","1","6","7","3","1","1") = "6"
    & skf21("7","7","1","6","7","3","2","1") = "6"
    & skf21("7","7","1","6","7","3","3","1") = "6"
    & skf21("7","7","1","6","7","3","4","1") = "6"
    & skf21("7","7","1","6","7","3","5","1") = "6"
    & skf21("7","7","1","6","7","3","6","1") = "6"
    & skf21("7","7","1","6","7","3","7","1") = "6"
    & skf21("7","7","1","6","7","4","1","1") = "6"
    & skf21("7","7","1","6","7","4","2","1") = "6"
    & skf21("7","7","1","6","7","4","3","1") = "6"
    & skf21("7","7","1","6","7","4","4","1") = "6"
    & skf21("7","7","1","6","7","4","5","1") = "6"
    & skf21("7","7","1","6","7","4","6","1") = "6"
    & skf21("7","7","1","6","7","4","7","1") = "6"
    & skf21("7","7","1","6","7","5","1","1") = "6"
    & skf21("7","7","1","6","7","5","2","1") = "6"
    & skf21("7","7","1","6","7","5","3","1") = "6"
    & skf21("7","7","1","6","7","5","4","1") = "6"
    & skf21("7","7","1","6","7","5","5","1") = "6"
    & skf21("7","7","1","6","7","5","6","1") = "6"
    & skf21("7","7","1","6","7","5","7","1") = "6"
    & skf21("7","7","1","6","7","6","1","1") = "6"
    & skf21("7","7","1","6","7","6","2","1") = "6"
    & skf21("7","7","1","6","7","6","3","1") = "6"
    & skf21("7","7","1","6","7","6","4","1") = "6"
    & skf21("7","7","1","6","7","6","5","1") = "6"
    & skf21("7","7","1","6","7","6","6","1") = "6"
    & skf21("7","7","1","6","7","6","7","1") = "6"
    & skf21("7","7","1","6","7","7","1","1") = "6"
    & skf21("7","7","1","6","7","7","2","1") = "6"
    & skf21("7","7","1","6","7","7","3","1") = "6"
    & skf21("7","7","1","6","7","7","4","1") = "6"
    & skf21("7","7","1","6","7","7","5","1") = "6"
    & skf21("7","7","1","6","7","7","6","1") = "6"
    & skf21("7","7","1","6","7","7","7","1") = "6"
    & skf21("7","7","1","7","1","1","1","1") = "6"
    & skf21("7","7","1","7","1","1","2","1") = "6"
    & skf21("7","7","1","7","1","1","3","1") = "6"
    & skf21("7","7","1","7","1","1","4","1") = "6"
    & skf21("7","7","1","7","1","1","5","1") = "6"
    & skf21("7","7","1","7","1","1","6","1") = "6"
    & skf21("7","7","1","7","1","1","7","1") = "6"
    & skf21("7","7","1","7","1","2","1","1") = "6"
    & skf21("7","7","1","7","1","2","2","1") = "6"
    & skf21("7","7","1","7","1","2","3","1") = "6"
    & skf21("7","7","1","7","1","2","4","1") = "6"
    & skf21("7","7","1","7","1","2","5","1") = "6"
    & skf21("7","7","1","7","1","2","6","1") = "6"
    & skf21("7","7","1","7","1","2","7","1") = "6"
    & skf21("7","7","1","7","1","3","1","1") = "6"
    & skf21("7","7","1","7","1","3","2","1") = "6"
    & skf21("7","7","1","7","1","3","3","1") = "6"
    & skf21("7","7","1","7","1","3","4","1") = "6"
    & skf21("7","7","1","7","1","3","5","1") = "6"
    & skf21("7","7","1","7","1","3","6","1") = "6"
    & skf21("7","7","1","7","1","3","7","1") = "6"
    & skf21("7","7","1","7","1","4","1","1") = "6"
    & skf21("7","7","1","7","1","4","2","1") = "6"
    & skf21("7","7","1","7","1","4","3","1") = "6"
    & skf21("7","7","1","7","1","4","4","1") = "6"
    & skf21("7","7","1","7","1","4","5","1") = "6"
    & skf21("7","7","1","7","1","4","6","1") = "6"
    & skf21("7","7","1","7","1","4","7","1") = "6"
    & skf21("7","7","1","7","1","5","1","1") = "6"
    & skf21("7","7","1","7","1","5","2","1") = "6"
    & skf21("7","7","1","7","1","5","3","1") = "6"
    & skf21("7","7","1","7","1","5","4","1") = "6"
    & skf21("7","7","1","7","1","5","5","1") = "6"
    & skf21("7","7","1","7","1","5","6","1") = "6"
    & skf21("7","7","1","7","1","5","7","1") = "6"
    & skf21("7","7","1","7","1","6","1","1") = "6"
    & skf21("7","7","1","7","1","6","2","1") = "6"
    & skf21("7","7","1","7","1","6","3","1") = "6"
    & skf21("7","7","1","7","1","6","4","1") = "6"
    & skf21("7","7","1","7","1","6","5","1") = "6"
    & skf21("7","7","1","7","1","6","6","1") = "6"
    & skf21("7","7","1","7","1","6","7","1") = "6"
    & skf21("7","7","1","7","1","7","1","1") = "6"
    & skf21("7","7","1","7","1","7","2","1") = "6"
    & skf21("7","7","1","7","1","7","3","1") = "6"
    & skf21("7","7","1","7","1","7","4","1") = "6"
    & skf21("7","7","1","7","1","7","5","1") = "6"
    & skf21("7","7","1","7","1","7","6","1") = "6"
    & skf21("7","7","1","7","1","7","7","1") = "6"
    & skf21("7","7","1","7","2","1","1","1") = "6"
    & skf21("7","7","1","7","2","1","2","1") = "6"
    & skf21("7","7","1","7","2","1","3","1") = "6"
    & skf21("7","7","1","7","2","1","4","1") = "6"
    & skf21("7","7","1","7","2","1","5","1") = "6"
    & skf21("7","7","1","7","2","1","6","1") = "6"
    & skf21("7","7","1","7","2","1","7","1") = "6"
    & skf21("7","7","1","7","2","2","1","1") = "6"
    & skf21("7","7","1","7","2","2","2","1") = "6"
    & skf21("7","7","1","7","2","2","3","1") = "6"
    & skf21("7","7","1","7","2","2","4","1") = "6"
    & skf21("7","7","1","7","2","2","5","1") = "6"
    & skf21("7","7","1","7","2","2","6","1") = "6"
    & skf21("7","7","1","7","2","2","7","1") = "6"
    & skf21("7","7","1","7","2","3","1","1") = "6"
    & skf21("7","7","1","7","2","3","2","1") = "6"
    & skf21("7","7","1","7","2","3","3","1") = "6"
    & skf21("7","7","1","7","2","3","4","1") = "6"
    & skf21("7","7","1","7","2","3","5","1") = "6"
    & skf21("7","7","1","7","2","3","6","1") = "6"
    & skf21("7","7","1","7","2","3","7","1") = "6"
    & skf21("7","7","1","7","2","4","1","1") = "6"
    & skf21("7","7","1","7","2","4","2","1") = "6"
    & skf21("7","7","1","7","2","4","3","1") = "6"
    & skf21("7","7","1","7","2","4","4","1") = "6"
    & skf21("7","7","1","7","2","4","5","1") = "6"
    & skf21("7","7","1","7","2","4","6","1") = "6"
    & skf21("7","7","1","7","2","4","7","1") = "6"
    & skf21("7","7","1","7","2","5","1","1") = "6"
    & skf21("7","7","1","7","2","5","2","1") = "6"
    & skf21("7","7","1","7","2","5","3","1") = "6"
    & skf21("7","7","1","7","2","5","4","1") = "6"
    & skf21("7","7","1","7","2","5","5","1") = "6"
    & skf21("7","7","1","7","2","5","6","1") = "6"
    & skf21("7","7","1","7","2","5","7","1") = "6"
    & skf21("7","7","1","7","2","6","1","1") = "6"
    & skf21("7","7","1","7","2","6","2","1") = "6"
    & skf21("7","7","1","7","2","6","3","1") = "6"
    & skf21("7","7","1","7","2","6","4","1") = "6"
    & skf21("7","7","1","7","2","6","5","1") = "6"
    & skf21("7","7","1","7","2","6","6","1") = "6"
    & skf21("7","7","1","7","2","6","7","1") = "6"
    & skf21("7","7","1","7","2","7","1","1") = "6"
    & skf21("7","7","1","7","2","7","2","1") = "6"
    & skf21("7","7","1","7","2","7","3","1") = "6"
    & skf21("7","7","1","7","2","7","4","1") = "6"
    & skf21("7","7","1","7","2","7","5","1") = "6"
    & skf21("7","7","1","7","2","7","6","1") = "6"
    & skf21("7","7","1","7","2","7","7","1") = "6"
    & skf21("7","7","1","7","3","1","1","1") = "6"
    & skf21("7","7","1","7","3","1","2","1") = "6"
    & skf21("7","7","1","7","3","1","3","1") = "6"
    & skf21("7","7","1","7","3","1","4","1") = "6"
    & skf21("7","7","1","7","3","1","5","1") = "6"
    & skf21("7","7","1","7","3","1","6","1") = "6"
    & skf21("7","7","1","7","3","1","7","1") = "6"
    & skf21("7","7","1","7","3","2","1","1") = "6"
    & skf21("7","7","1","7","3","2","2","1") = "6"
    & skf21("7","7","1","7","3","2","3","1") = "6"
    & skf21("7","7","1","7","3","2","4","1") = "6"
    & skf21("7","7","1","7","3","2","5","1") = "6"
    & skf21("7","7","1","7","3","2","6","1") = "6"
    & skf21("7","7","1","7","3","2","7","1") = "6"
    & skf21("7","7","1","7","3","3","1","1") = "6"
    & skf21("7","7","1","7","3","3","2","1") = "6"
    & skf21("7","7","1","7","3","3","3","1") = "6"
    & skf21("7","7","1","7","3","3","4","1") = "6"
    & skf21("7","7","1","7","3","3","5","1") = "6"
    & skf21("7","7","1","7","3","3","6","1") = "6"
    & skf21("7","7","1","7","3","3","7","1") = "6"
    & skf21("7","7","1","7","3","4","1","1") = "6"
    & skf21("7","7","1","7","3","4","2","1") = "6"
    & skf21("7","7","1","7","3","4","3","1") = "6"
    & skf21("7","7","1","7","3","4","4","1") = "6"
    & skf21("7","7","1","7","3","4","5","1") = "6"
    & skf21("7","7","1","7","3","4","6","1") = "6"
    & skf21("7","7","1","7","3","4","7","1") = "6"
    & skf21("7","7","1","7","3","5","1","1") = "6"
    & skf21("7","7","1","7","3","5","2","1") = "6"
    & skf21("7","7","1","7","3","5","3","1") = "6"
    & skf21("7","7","1","7","3","5","4","1") = "6"
    & skf21("7","7","1","7","3","5","5","1") = "6"
    & skf21("7","7","1","7","3","5","6","1") = "6"
    & skf21("7","7","1","7","3","5","7","1") = "6"
    & skf21("7","7","1","7","3","6","1","1") = "6"
    & skf21("7","7","1","7","3","6","2","1") = "6"
    & skf21("7","7","1","7","3","6","3","1") = "6"
    & skf21("7","7","1","7","3","6","4","1") = "6"
    & skf21("7","7","1","7","3","6","5","1") = "6"
    & skf21("7","7","1","7","3","6","6","1") = "6"
    & skf21("7","7","1","7","3","6","7","1") = "6"
    & skf21("7","7","1","7","3","7","1","1") = "6"
    & skf21("7","7","1","7","3","7","2","1") = "6"
    & skf21("7","7","1","7","3","7","3","1") = "6"
    & skf21("7","7","1","7","3","7","4","1") = "6"
    & skf21("7","7","1","7","3","7","5","1") = "6"
    & skf21("7","7","1","7","3","7","6","1") = "6"
    & skf21("7","7","1","7","3","7","7","1") = "6"
    & skf21("7","7","1","7","4","1","1","1") = "6"
    & skf21("7","7","1","7","4","1","2","1") = "6"
    & skf21("7","7","1","7","4","1","3","1") = "6"
    & skf21("7","7","1","7","4","1","4","1") = "6"
    & skf21("7","7","1","7","4","1","5","1") = "6"
    & skf21("7","7","1","7","4","1","6","1") = "6"
    & skf21("7","7","1","7","4","1","7","1") = "6"
    & skf21("7","7","1","7","4","2","1","1") = "6"
    & skf21("7","7","1","7","4","2","2","1") = "6"
    & skf21("7","7","1","7","4","2","3","1") = "6"
    & skf21("7","7","1","7","4","2","4","1") = "6"
    & skf21("7","7","1","7","4","2","5","1") = "6"
    & skf21("7","7","1","7","4","2","6","1") = "6"
    & skf21("7","7","1","7","4","2","7","1") = "6"
    & skf21("7","7","1","7","4","3","1","1") = "6"
    & skf21("7","7","1","7","4","3","2","1") = "6"
    & skf21("7","7","1","7","4","3","3","1") = "6"
    & skf21("7","7","1","7","4","3","4","1") = "6"
    & skf21("7","7","1","7","4","3","5","1") = "6"
    & skf21("7","7","1","7","4","3","6","1") = "6"
    & skf21("7","7","1","7","4","3","7","1") = "6"
    & skf21("7","7","1","7","4","4","1","1") = "6"
    & skf21("7","7","1","7","4","4","2","1") = "6"
    & skf21("7","7","1","7","4","4","3","1") = "6"
    & skf21("7","7","1","7","4","4","4","1") = "6"
    & skf21("7","7","1","7","4","4","5","1") = "6"
    & skf21("7","7","1","7","4","4","6","1") = "6"
    & skf21("7","7","1","7","4","4","7","1") = "6"
    & skf21("7","7","1","7","4","5","1","1") = "6"
    & skf21("7","7","1","7","4","5","2","1") = "6"
    & skf21("7","7","1","7","4","5","3","1") = "6"
    & skf21("7","7","1","7","4","5","4","1") = "6"
    & skf21("7","7","1","7","4","5","5","1") = "6"
    & skf21("7","7","1","7","4","5","6","1") = "6"
    & skf21("7","7","1","7","4","5","7","1") = "6"
    & skf21("7","7","1","7","4","6","1","1") = "6"
    & skf21("7","7","1","7","4","6","2","1") = "6"
    & skf21("7","7","1","7","4","6","3","1") = "6"
    & skf21("7","7","1","7","4","6","4","1") = "6"
    & skf21("7","7","1","7","4","6","5","1") = "6"
    & skf21("7","7","1","7","4","6","6","1") = "6"
    & skf21("7","7","1","7","4","6","7","1") = "6"
    & skf21("7","7","1","7","4","7","1","1") = "6"
    & skf21("7","7","1","7","4","7","2","1") = "6"
    & skf21("7","7","1","7","4","7","3","1") = "6"
    & skf21("7","7","1","7","4","7","4","1") = "6"
    & skf21("7","7","1","7","4","7","5","1") = "6"
    & skf21("7","7","1","7","4","7","6","1") = "6"
    & skf21("7","7","1","7","4","7","7","1") = "6"
    & skf21("7","7","1","7","5","1","1","1") = "6"
    & skf21("7","7","1","7","5","1","2","1") = "6"
    & skf21("7","7","1","7","5","1","3","1") = "6"
    & skf21("7","7","1","7","5","1","4","1") = "6"
    & skf21("7","7","1","7","5","1","5","1") = "6"
    & skf21("7","7","1","7","5","1","6","1") = "6"
    & skf21("7","7","1","7","5","1","7","1") = "6"
    & skf21("7","7","1","7","5","2","1","1") = "6"
    & skf21("7","7","1","7","5","2","2","1") = "6"
    & skf21("7","7","1","7","5","2","3","1") = "6"
    & skf21("7","7","1","7","5","2","4","1") = "6"
    & skf21("7","7","1","7","5","2","5","1") = "6"
    & skf21("7","7","1","7","5","2","6","1") = "6"
    & skf21("7","7","1","7","5","2","7","1") = "6"
    & skf21("7","7","1","7","5","3","1","1") = "6"
    & skf21("7","7","1","7","5","3","2","1") = "6"
    & skf21("7","7","1","7","5","3","3","1") = "6"
    & skf21("7","7","1","7","5","3","4","1") = "6"
    & skf21("7","7","1","7","5","3","5","1") = "6"
    & skf21("7","7","1","7","5","3","6","1") = "6"
    & skf21("7","7","1","7","5","3","7","1") = "6"
    & skf21("7","7","1","7","5","4","1","1") = "6"
    & skf21("7","7","1","7","5","4","2","1") = "6"
    & skf21("7","7","1","7","5","4","3","1") = "6"
    & skf21("7","7","1","7","5","4","4","1") = "6"
    & skf21("7","7","1","7","5","4","5","1") = "6"
    & skf21("7","7","1","7","5","4","6","1") = "6"
    & skf21("7","7","1","7","5","4","7","1") = "6"
    & skf21("7","7","1","7","5","5","1","1") = "6"
    & skf21("7","7","1","7","5","5","2","1") = "6"
    & skf21("7","7","1","7","5","5","3","1") = "6"
    & skf21("7","7","1","7","5","5","4","1") = "6"
    & skf21("7","7","1","7","5","5","5","1") = "6"
    & skf21("7","7","1","7","5","5","6","1") = "6"
    & skf21("7","7","1","7","5","5","7","1") = "6"
    & skf21("7","7","1","7","5","6","1","1") = "6"
    & skf21("7","7","1","7","5","6","2","1") = "6"
    & skf21("7","7","1","7","5","6","3","1") = "6"
    & skf21("7","7","1","7","5","6","4","1") = "6"
    & skf21("7","7","1","7","5","6","5","1") = "6"
    & skf21("7","7","1","7","5","6","6","1") = "6"
    & skf21("7","7","1","7","5","6","7","1") = "6"
    & skf21("7","7","1","7","5","7","1","1") = "6"
    & skf21("7","7","1","7","5","7","2","1") = "6"
    & skf21("7","7","1","7","5","7","3","1") = "6"
    & skf21("7","7","1","7","5","7","4","1") = "6"
    & skf21("7","7","1","7","5","7","5","1") = "6"
    & skf21("7","7","1","7","5","7","6","1") = "6"
    & skf21("7","7","1","7","5","7","7","1") = "6"
    & skf21("7","7","1","7","6","1","1","1") = "6"
    & skf21("7","7","1","7","6","1","2","1") = "6"
    & skf21("7","7","1","7","6","1","3","1") = "6"
    & skf21("7","7","1","7","6","1","4","1") = "6"
    & skf21("7","7","1","7","6","1","5","1") = "6"
    & skf21("7","7","1","7","6","1","6","1") = "6"
    & skf21("7","7","1","7","6","1","7","1") = "6"
    & skf21("7","7","1","7","6","2","1","1") = "6"
    & skf21("7","7","1","7","6","2","2","1") = "6"
    & skf21("7","7","1","7","6","2","3","1") = "6"
    & skf21("7","7","1","7","6","2","4","1") = "6"
    & skf21("7","7","1","7","6","2","5","1") = "6"
    & skf21("7","7","1","7","6","2","6","1") = "6"
    & skf21("7","7","1","7","6","2","7","1") = "6"
    & skf21("7","7","1","7","6","3","1","1") = "6"
    & skf21("7","7","1","7","6","3","2","1") = "6"
    & skf21("7","7","1","7","6","3","3","1") = "6"
    & skf21("7","7","1","7","6","3","4","1") = "6"
    & skf21("7","7","1","7","6","3","5","1") = "6"
    & skf21("7","7","1","7","6","3","6","1") = "6"
    & skf21("7","7","1","7","6","3","7","1") = "6"
    & skf21("7","7","1","7","6","4","1","1") = "6"
    & skf21("7","7","1","7","6","4","2","1") = "6"
    & skf21("7","7","1","7","6","4","3","1") = "6"
    & skf21("7","7","1","7","6","4","4","1") = "6"
    & skf21("7","7","1","7","6","4","5","1") = "6"
    & skf21("7","7","1","7","6","4","6","1") = "6"
    & skf21("7","7","1","7","6","4","7","1") = "6"
    & skf21("7","7","1","7","6","5","1","1") = "6"
    & skf21("7","7","1","7","6","5","2","1") = "6"
    & skf21("7","7","1","7","6","5","3","1") = "6"
    & skf21("7","7","1","7","6","5","4","1") = "6"
    & skf21("7","7","1","7","6","5","5","1") = "6"
    & skf21("7","7","1","7","6","5","6","1") = "6"
    & skf21("7","7","1","7","6","5","7","1") = "6"
    & skf21("7","7","1","7","6","6","1","1") = "6"
    & skf21("7","7","1","7","6","6","2","1") = "6"
    & skf21("7","7","1","7","6","6","3","1") = "6"
    & skf21("7","7","1","7","6","6","4","1") = "6"
    & skf21("7","7","1","7","6","6","5","1") = "6"
    & skf21("7","7","1","7","6","6","6","1") = "6"
    & skf21("7","7","1","7","6","6","7","1") = "6"
    & skf21("7","7","1","7","6","7","1","1") = "6"
    & skf21("7","7","1","7","6","7","2","1") = "6"
    & skf21("7","7","1","7","6","7","3","1") = "6"
    & skf21("7","7","1","7","6","7","4","1") = "6"
    & skf21("7","7","1","7","6","7","5","1") = "6"
    & skf21("7","7","1","7","6","7","6","1") = "6"
    & skf21("7","7","1","7","6","7","7","1") = "6"
    & skf21("7","7","1","7","7","1","1","1") = "6"
    & skf21("7","7","1","7","7","1","2","1") = "6"
    & skf21("7","7","1","7","7","1","3","1") = "6"
    & skf21("7","7","1","7","7","1","4","1") = "6"
    & skf21("7","7","1","7","7","1","5","1") = "6"
    & skf21("7","7","1","7","7","1","6","1") = "6"
    & skf21("7","7","1","7","7","1","7","1") = "6"
    & skf21("7","7","1","7","7","2","1","1") = "6"
    & skf21("7","7","1","7","7","2","2","1") = "6"
    & skf21("7","7","1","7","7","2","3","1") = "6"
    & skf21("7","7","1","7","7","2","4","1") = "6"
    & skf21("7","7","1","7","7","2","5","1") = "6"
    & skf21("7","7","1","7","7","2","6","1") = "6"
    & skf21("7","7","1","7","7","2","7","1") = "6"
    & skf21("7","7","1","7","7","3","1","1") = "6"
    & skf21("7","7","1","7","7","3","2","1") = "6"
    & skf21("7","7","1","7","7","3","3","1") = "6"
    & skf21("7","7","1","7","7","3","4","1") = "6"
    & skf21("7","7","1","7","7","3","5","1") = "6"
    & skf21("7","7","1","7","7","3","6","1") = "6"
    & skf21("7","7","1","7","7","3","7","1") = "6"
    & skf21("7","7","1","7","7","4","1","1") = "6"
    & skf21("7","7","1","7","7","4","2","1") = "6"
    & skf21("7","7","1","7","7","4","3","1") = "6"
    & skf21("7","7","1","7","7","4","4","1") = "6"
    & skf21("7","7","1","7","7","4","5","1") = "6"
    & skf21("7","7","1","7","7","4","6","1") = "6"
    & skf21("7","7","1","7","7","4","7","1") = "6"
    & skf21("7","7","1","7","7","5","1","1") = "6"
    & skf21("7","7","1","7","7","5","2","1") = "6"
    & skf21("7","7","1","7","7","5","3","1") = "6"
    & skf21("7","7","1","7","7","5","4","1") = "6"
    & skf21("7","7","1","7","7","5","5","1") = "6"
    & skf21("7","7","1","7","7","5","6","1") = "6"
    & skf21("7","7","1","7","7","5","7","1") = "6"
    & skf21("7","7","1","7","7","6","1","1") = "6"
    & skf21("7","7","1","7","7","6","2","1") = "6"
    & skf21("7","7","1","7","7","6","3","1") = "6"
    & skf21("7","7","1","7","7","6","4","1") = "6"
    & skf21("7","7","1","7","7","6","5","1") = "6"
    & skf21("7","7","1","7","7","6","6","1") = "6"
    & skf21("7","7","1","7","7","6","7","1") = "6"
    & skf21("7","7","1","7","7","7","1","1") = "6"
    & skf21("7","7","1","7","7","7","2","1") = "6"
    & skf21("7","7","1","7","7","7","3","1") = "6"
    & skf21("7","7","1","7","7","7","4","1") = "6"
    & skf21("7","7","1","7","7","7","5","1") = "6"
    & skf21("7","7","1","7","7","7","6","1") = "6"
    & skf21("7","7","1","7","7","7","7","1") = "6"
    & skf21("7","7","2","1","1","1","1","1") = "6"
    & skf21("7","7","2","1","1","1","2","1") = "6"
    & skf21("7","7","2","1","1","1","3","1") = "6"
    & skf21("7","7","2","1","1","1","4","1") = "6"
    & skf21("7","7","2","1","1","1","5","1") = "6"
    & skf21("7","7","2","1","1","1","6","1") = "6"
    & skf21("7","7","2","1","1","1","7","1") = "6"
    & skf21("7","7","2","1","1","2","1","1") = "6"
    & skf21("7","7","2","1","1","2","2","1") = "6"
    & skf21("7","7","2","1","1","2","3","1") = "6"
    & skf21("7","7","2","1","1","2","4","1") = "6"
    & skf21("7","7","2","1","1","2","5","1") = "6"
    & skf21("7","7","2","1","1","2","6","1") = "6"
    & skf21("7","7","2","1","1","2","7","1") = "6"
    & skf21("7","7","2","1","1","3","1","1") = "6"
    & skf21("7","7","2","1","1","3","2","1") = "6"
    & skf21("7","7","2","1","1","3","3","1") = "6"
    & skf21("7","7","2","1","1","3","4","1") = "6"
    & skf21("7","7","2","1","1","3","5","1") = "6"
    & skf21("7","7","2","1","1","3","6","1") = "6"
    & skf21("7","7","2","1","1","3","7","1") = "6"
    & skf21("7","7","2","1","1","4","1","1") = "6"
    & skf21("7","7","2","1","1","4","2","1") = "6"
    & skf21("7","7","2","1","1","4","3","1") = "6"
    & skf21("7","7","2","1","1","4","4","1") = "6"
    & skf21("7","7","2","1","1","4","5","1") = "6"
    & skf21("7","7","2","1","1","4","6","1") = "6"
    & skf21("7","7","2","1","1","4","7","1") = "6"
    & skf21("7","7","2","1","1","5","1","1") = "6"
    & skf21("7","7","2","1","1","5","2","1") = "6"
    & skf21("7","7","2","1","1","5","3","1") = "6"
    & skf21("7","7","2","1","1","5","4","1") = "6"
    & skf21("7","7","2","1","1","5","5","1") = "6"
    & skf21("7","7","2","1","1","5","6","1") = "6"
    & skf21("7","7","2","1","1","5","7","1") = "6"
    & skf21("7","7","2","1","1","6","1","1") = "6"
    & skf21("7","7","2","1","1","6","2","1") = "6"
    & skf21("7","7","2","1","1","6","3","1") = "6"
    & skf21("7","7","2","1","1","6","4","1") = "6"
    & skf21("7","7","2","1","1","6","5","1") = "6"
    & skf21("7","7","2","1","1","6","6","1") = "6"
    & skf21("7","7","2","1","1","6","7","1") = "6"
    & skf21("7","7","2","1","1","7","1","1") = "6"
    & skf21("7","7","2","1","1","7","2","1") = "6"
    & skf21("7","7","2","1","1","7","3","1") = "6"
    & skf21("7","7","2","1","1","7","4","1") = "6"
    & skf21("7","7","2","1","1","7","5","1") = "6"
    & skf21("7","7","2","1","1","7","6","1") = "6"
    & skf21("7","7","2","1","1","7","7","1") = "6"
    & skf21("7","7","2","1","2","1","1","1") = "6"
    & skf21("7","7","2","1","2","1","2","1") = "6"
    & skf21("7","7","2","1","2","1","3","1") = "6"
    & skf21("7","7","2","1","2","1","4","1") = "6"
    & skf21("7","7","2","1","2","1","5","1") = "6"
    & skf21("7","7","2","1","2","1","6","1") = "6"
    & skf21("7","7","2","1","2","1","7","1") = "6"
    & skf21("7","7","2","1","2","2","1","1") = "6"
    & skf21("7","7","2","1","2","2","2","1") = "6"
    & skf21("7","7","2","1","2","2","3","1") = "6"
    & skf21("7","7","2","1","2","2","4","1") = "6"
    & skf21("7","7","2","1","2","2","5","1") = "6"
    & skf21("7","7","2","1","2","2","6","1") = "6"
    & skf21("7","7","2","1","2","2","7","1") = "6"
    & skf21("7","7","2","1","2","3","1","1") = "6"
    & skf21("7","7","2","1","2","3","2","1") = "6"
    & skf21("7","7","2","1","2","3","3","1") = "6"
    & skf21("7","7","2","1","2","3","4","1") = "6"
    & skf21("7","7","2","1","2","3","5","1") = "6"
    & skf21("7","7","2","1","2","3","6","1") = "6"
    & skf21("7","7","2","1","2","3","7","1") = "6"
    & skf21("7","7","2","1","2","4","1","1") = "6"
    & skf21("7","7","2","1","2","4","2","1") = "6"
    & skf21("7","7","2","1","2","4","3","1") = "6"
    & skf21("7","7","2","1","2","4","4","1") = "6"
    & skf21("7","7","2","1","2","4","5","1") = "6"
    & skf21("7","7","2","1","2","4","6","1") = "6"
    & skf21("7","7","2","1","2","4","7","1") = "6"
    & skf21("7","7","2","1","2","5","1","1") = "6"
    & skf21("7","7","2","1","2","5","2","1") = "6"
    & skf21("7","7","2","1","2","5","3","1") = "6"
    & skf21("7","7","2","1","2","5","4","1") = "6"
    & skf21("7","7","2","1","2","5","5","1") = "6"
    & skf21("7","7","2","1","2","5","6","1") = "6"
    & skf21("7","7","2","1","2","5","7","1") = "6"
    & skf21("7","7","2","1","2","6","1","1") = "6"
    & skf21("7","7","2","1","2","6","2","1") = "6"
    & skf21("7","7","2","1","2","6","3","1") = "6"
    & skf21("7","7","2","1","2","6","4","1") = "6"
    & skf21("7","7","2","1","2","6","5","1") = "6"
    & skf21("7","7","2","1","2","6","6","1") = "6"
    & skf21("7","7","2","1","2","6","7","1") = "6"
    & skf21("7","7","2","1","2","7","1","1") = "6"
    & skf21("7","7","2","1","2","7","2","1") = "6"
    & skf21("7","7","2","1","2","7","3","1") = "6"
    & skf21("7","7","2","1","2","7","4","1") = "6"
    & skf21("7","7","2","1","2","7","5","1") = "6"
    & skf21("7","7","2","1","2","7","6","1") = "6"
    & skf21("7","7","2","1","2","7","7","1") = "6"
    & skf21("7","7","2","1","3","1","1","1") = "6"
    & skf21("7","7","2","1","3","1","2","1") = "6"
    & skf21("7","7","2","1","3","1","3","1") = "6"
    & skf21("7","7","2","1","3","1","4","1") = "6"
    & skf21("7","7","2","1","3","1","5","1") = "6"
    & skf21("7","7","2","1","3","1","6","1") = "6"
    & skf21("7","7","2","1","3","1","7","1") = "6"
    & skf21("7","7","2","1","3","2","1","1") = "6"
    & skf21("7","7","2","1","3","2","2","1") = "6"
    & skf21("7","7","2","1","3","2","3","1") = "6"
    & skf21("7","7","2","1","3","2","4","1") = "6"
    & skf21("7","7","2","1","3","2","5","1") = "6"
    & skf21("7","7","2","1","3","2","6","1") = "6"
    & skf21("7","7","2","1","3","2","7","1") = "6"
    & skf21("7","7","2","1","3","3","1","1") = "6"
    & skf21("7","7","2","1","3","3","2","1") = "6"
    & skf21("7","7","2","1","3","3","3","1") = "6"
    & skf21("7","7","2","1","3","3","4","1") = "6"
    & skf21("7","7","2","1","3","3","5","1") = "6"
    & skf21("7","7","2","1","3","3","6","1") = "6"
    & skf21("7","7","2","1","3","3","7","1") = "6"
    & skf21("7","7","2","1","3","4","1","1") = "6"
    & skf21("7","7","2","1","3","4","2","1") = "6"
    & skf21("7","7","2","1","3","4","3","1") = "6"
    & skf21("7","7","2","1","3","4","4","1") = "6"
    & skf21("7","7","2","1","3","4","5","1") = "6"
    & skf21("7","7","2","1","3","4","6","1") = "6"
    & skf21("7","7","2","1","3","4","7","1") = "6"
    & skf21("7","7","2","1","3","5","1","1") = "6"
    & skf21("7","7","2","1","3","5","2","1") = "6"
    & skf21("7","7","2","1","3","5","3","1") = "6"
    & skf21("7","7","2","1","3","5","4","1") = "6"
    & skf21("7","7","2","1","3","5","5","1") = "6"
    & skf21("7","7","2","1","3","5","6","1") = "6"
    & skf21("7","7","2","1","3","5","7","1") = "6"
    & skf21("7","7","2","1","3","6","1","1") = "6"
    & skf21("7","7","2","1","3","6","2","1") = "6"
    & skf21("7","7","2","1","3","6","3","1") = "6"
    & skf21("7","7","2","1","3","6","4","1") = "6"
    & skf21("7","7","2","1","3","6","5","1") = "6"
    & skf21("7","7","2","1","3","6","6","1") = "6"
    & skf21("7","7","2","1","3","6","7","1") = "6"
    & skf21("7","7","2","1","3","7","1","1") = "6"
    & skf21("7","7","2","1","3","7","2","1") = "6"
    & skf21("7","7","2","1","3","7","3","1") = "6"
    & skf21("7","7","2","1","3","7","4","1") = "6"
    & skf21("7","7","2","1","3","7","5","1") = "6"
    & skf21("7","7","2","1","3","7","6","1") = "6"
    & skf21("7","7","2","1","3","7","7","1") = "6"
    & skf21("7","7","2","1","4","1","1","1") = "6"
    & skf21("7","7","2","1","4","1","2","1") = "6"
    & skf21("7","7","2","1","4","1","3","1") = "6"
    & skf21("7","7","2","1","4","1","4","1") = "6"
    & skf21("7","7","2","1","4","1","5","1") = "6"
    & skf21("7","7","2","1","4","1","6","1") = "6"
    & skf21("7","7","2","1","4","1","7","1") = "6"
    & skf21("7","7","2","1","4","2","1","1") = "6"
    & skf21("7","7","2","1","4","2","2","1") = "6"
    & skf21("7","7","2","1","4","2","3","1") = "6"
    & skf21("7","7","2","1","4","2","4","1") = "6"
    & skf21("7","7","2","1","4","2","5","1") = "6"
    & skf21("7","7","2","1","4","2","6","1") = "6"
    & skf21("7","7","2","1","4","2","7","1") = "6"
    & skf21("7","7","2","1","4","3","1","1") = "6"
    & skf21("7","7","2","1","4","3","2","1") = "6"
    & skf21("7","7","2","1","4","3","3","1") = "6"
    & skf21("7","7","2","1","4","3","4","1") = "6"
    & skf21("7","7","2","1","4","3","5","1") = "6"
    & skf21("7","7","2","1","4","3","6","1") = "6"
    & skf21("7","7","2","1","4","3","7","1") = "6"
    & skf21("7","7","2","1","4","4","1","1") = "6"
    & skf21("7","7","2","1","4","4","2","1") = "6"
    & skf21("7","7","2","1","4","4","3","1") = "6"
    & skf21("7","7","2","1","4","4","4","1") = "6"
    & skf21("7","7","2","1","4","4","5","1") = "6"
    & skf21("7","7","2","1","4","4","6","1") = "6"
    & skf21("7","7","2","1","4","4","7","1") = "6"
    & skf21("7","7","2","1","4","5","1","1") = "6"
    & skf21("7","7","2","1","4","5","2","1") = "6"
    & skf21("7","7","2","1","4","5","3","1") = "6"
    & skf21("7","7","2","1","4","5","4","1") = "6"
    & skf21("7","7","2","1","4","5","5","1") = "6"
    & skf21("7","7","2","1","4","5","6","1") = "6"
    & skf21("7","7","2","1","4","5","7","1") = "6"
    & skf21("7","7","2","1","4","6","1","1") = "6"
    & skf21("7","7","2","1","4","6","2","1") = "6"
    & skf21("7","7","2","1","4","6","3","1") = "6"
    & skf21("7","7","2","1","4","6","4","1") = "6"
    & skf21("7","7","2","1","4","6","5","1") = "6"
    & skf21("7","7","2","1","4","6","6","1") = "6"
    & skf21("7","7","2","1","4","6","7","1") = "6"
    & skf21("7","7","2","1","4","7","1","1") = "6"
    & skf21("7","7","2","1","4","7","2","1") = "6"
    & skf21("7","7","2","1","4","7","3","1") = "6"
    & skf21("7","7","2","1","4","7","4","1") = "6"
    & skf21("7","7","2","1","4","7","5","1") = "6"
    & skf21("7","7","2","1","4","7","6","1") = "6"
    & skf21("7","7","2","1","4","7","7","1") = "6"
    & skf21("7","7","2","1","5","1","1","1") = "6"
    & skf21("7","7","2","1","5","1","2","1") = "6"
    & skf21("7","7","2","1","5","1","3","1") = "6"
    & skf21("7","7","2","1","5","1","4","1") = "6"
    & skf21("7","7","2","1","5","1","5","1") = "6"
    & skf21("7","7","2","1","5","1","6","1") = "6"
    & skf21("7","7","2","1","5","1","7","1") = "6"
    & skf21("7","7","2","1","5","2","1","1") = "6"
    & skf21("7","7","2","1","5","2","2","1") = "6"
    & skf21("7","7","2","1","5","2","3","1") = "6"
    & skf21("7","7","2","1","5","2","4","1") = "6"
    & skf21("7","7","2","1","5","2","5","1") = "6"
    & skf21("7","7","2","1","5","2","6","1") = "6"
    & skf21("7","7","2","1","5","2","7","1") = "6"
    & skf21("7","7","2","1","5","3","1","1") = "6"
    & skf21("7","7","2","1","5","3","2","1") = "6"
    & skf21("7","7","2","1","5","3","3","1") = "6"
    & skf21("7","7","2","1","5","3","4","1") = "6"
    & skf21("7","7","2","1","5","3","5","1") = "6"
    & skf21("7","7","2","1","5","3","6","1") = "6"
    & skf21("7","7","2","1","5","3","7","1") = "6"
    & skf21("7","7","2","1","5","4","1","1") = "6"
    & skf21("7","7","2","1","5","4","2","1") = "6"
    & skf21("7","7","2","1","5","4","3","1") = "6"
    & skf21("7","7","2","1","5","4","4","1") = "6"
    & skf21("7","7","2","1","5","4","5","1") = "6"
    & skf21("7","7","2","1","5","4","6","1") = "6"
    & skf21("7","7","2","1","5","4","7","1") = "6"
    & skf21("7","7","2","1","5","5","1","1") = "6"
    & skf21("7","7","2","1","5","5","2","1") = "6"
    & skf21("7","7","2","1","5","5","3","1") = "6"
    & skf21("7","7","2","1","5","5","4","1") = "6"
    & skf21("7","7","2","1","5","5","5","1") = "6"
    & skf21("7","7","2","1","5","5","6","1") = "6"
    & skf21("7","7","2","1","5","5","7","1") = "6"
    & skf21("7","7","2","1","5","6","1","1") = "6"
    & skf21("7","7","2","1","5","6","2","1") = "6"
    & skf21("7","7","2","1","5","6","3","1") = "6"
    & skf21("7","7","2","1","5","6","4","1") = "6"
    & skf21("7","7","2","1","5","6","5","1") = "6"
    & skf21("7","7","2","1","5","6","6","1") = "6"
    & skf21("7","7","2","1","5","6","7","1") = "6"
    & skf21("7","7","2","1","5","7","1","1") = "6"
    & skf21("7","7","2","1","5","7","2","1") = "6"
    & skf21("7","7","2","1","5","7","3","1") = "6"
    & skf21("7","7","2","1","5","7","4","1") = "6"
    & skf21("7","7","2","1","5","7","5","1") = "6"
    & skf21("7","7","2","1","5","7","6","1") = "6"
    & skf21("7","7","2","1","5","7","7","1") = "6"
    & skf21("7","7","2","1","6","1","1","1") = "6"
    & skf21("7","7","2","1","6","1","2","1") = "6"
    & skf21("7","7","2","1","6","1","3","1") = "6"
    & skf21("7","7","2","1","6","1","4","1") = "6"
    & skf21("7","7","2","1","6","1","5","1") = "6"
    & skf21("7","7","2","1","6","1","6","1") = "6"
    & skf21("7","7","2","1","6","1","7","1") = "6"
    & skf21("7","7","2","1","6","2","1","1") = "6"
    & skf21("7","7","2","1","6","2","2","1") = "6"
    & skf21("7","7","2","1","6","2","3","1") = "6"
    & skf21("7","7","2","1","6","2","4","1") = "6"
    & skf21("7","7","2","1","6","2","5","1") = "6"
    & skf21("7","7","2","1","6","2","6","1") = "6"
    & skf21("7","7","2","1","6","2","7","1") = "6"
    & skf21("7","7","2","1","6","3","1","1") = "6"
    & skf21("7","7","2","1","6","3","2","1") = "6"
    & skf21("7","7","2","1","6","3","3","1") = "6"
    & skf21("7","7","2","1","6","3","4","1") = "6"
    & skf21("7","7","2","1","6","3","5","1") = "6"
    & skf21("7","7","2","1","6","3","6","1") = "6"
    & skf21("7","7","2","1","6","3","7","1") = "6"
    & skf21("7","7","2","1","6","4","1","1") = "6"
    & skf21("7","7","2","1","6","4","2","1") = "6"
    & skf21("7","7","2","1","6","4","3","1") = "6"
    & skf21("7","7","2","1","6","4","4","1") = "6"
    & skf21("7","7","2","1","6","4","5","1") = "6"
    & skf21("7","7","2","1","6","4","6","1") = "6"
    & skf21("7","7","2","1","6","4","7","1") = "6"
    & skf21("7","7","2","1","6","5","1","1") = "6"
    & skf21("7","7","2","1","6","5","2","1") = "6"
    & skf21("7","7","2","1","6","5","3","1") = "6"
    & skf21("7","7","2","1","6","5","4","1") = "6"
    & skf21("7","7","2","1","6","5","5","1") = "6"
    & skf21("7","7","2","1","6","5","6","1") = "6"
    & skf21("7","7","2","1","6","5","7","1") = "6"
    & skf21("7","7","2","1","6","6","1","1") = "6"
    & skf21("7","7","2","1","6","6","2","1") = "6"
    & skf21("7","7","2","1","6","6","3","1") = "6"
    & skf21("7","7","2","1","6","6","4","1") = "6"
    & skf21("7","7","2","1","6","6","5","1") = "6"
    & skf21("7","7","2","1","6","6","6","1") = "6"
    & skf21("7","7","2","1","6","6","7","1") = "6"
    & skf21("7","7","2","1","6","7","1","1") = "6"
    & skf21("7","7","2","1","6","7","2","1") = "6"
    & skf21("7","7","2","1","6","7","3","1") = "6"
    & skf21("7","7","2","1","6","7","4","1") = "6"
    & skf21("7","7","2","1","6","7","5","1") = "6"
    & skf21("7","7","2","1","6","7","6","1") = "6"
    & skf21("7","7","2","1","6","7","7","1") = "6"
    & skf21("7","7","2","1","7","1","1","1") = "6"
    & skf21("7","7","2","1","7","1","2","1") = "6"
    & skf21("7","7","2","1","7","1","3","1") = "6"
    & skf21("7","7","2","1","7","1","4","1") = "6"
    & skf21("7","7","2","1","7","1","5","1") = "6"
    & skf21("7","7","2","1","7","1","6","1") = "6"
    & skf21("7","7","2","1","7","1","7","1") = "6"
    & skf21("7","7","2","1","7","2","1","1") = "6"
    & skf21("7","7","2","1","7","2","2","1") = "6"
    & skf21("7","7","2","1","7","2","3","1") = "6"
    & skf21("7","7","2","1","7","2","4","1") = "6"
    & skf21("7","7","2","1","7","2","5","1") = "6"
    & skf21("7","7","2","1","7","2","6","1") = "6"
    & skf21("7","7","2","1","7","2","7","1") = "6"
    & skf21("7","7","2","1","7","3","1","1") = "6"
    & skf21("7","7","2","1","7","3","2","1") = "6"
    & skf21("7","7","2","1","7","3","3","1") = "6"
    & skf21("7","7","2","1","7","3","4","1") = "6"
    & skf21("7","7","2","1","7","3","5","1") = "6"
    & skf21("7","7","2","1","7","3","6","1") = "6"
    & skf21("7","7","2","1","7","3","7","1") = "6"
    & skf21("7","7","2","1","7","4","1","1") = "6"
    & skf21("7","7","2","1","7","4","2","1") = "6"
    & skf21("7","7","2","1","7","4","3","1") = "6"
    & skf21("7","7","2","1","7","4","4","1") = "6"
    & skf21("7","7","2","1","7","4","5","1") = "6"
    & skf21("7","7","2","1","7","4","6","1") = "6"
    & skf21("7","7","2","1","7","4","7","1") = "6"
    & skf21("7","7","2","1","7","5","1","1") = "6"
    & skf21("7","7","2","1","7","5","2","1") = "6"
    & skf21("7","7","2","1","7","5","3","1") = "6"
    & skf21("7","7","2","1","7","5","4","1") = "6"
    & skf21("7","7","2","1","7","5","5","1") = "6"
    & skf21("7","7","2","1","7","5","6","1") = "6"
    & skf21("7","7","2","1","7","5","7","1") = "6"
    & skf21("7","7","2","1","7","6","1","1") = "6"
    & skf21("7","7","2","1","7","6","2","1") = "6"
    & skf21("7","7","2","1","7","6","3","1") = "6"
    & skf21("7","7","2","1","7","6","4","1") = "6"
    & skf21("7","7","2","1","7","6","5","1") = "6"
    & skf21("7","7","2","1","7","6","6","1") = "6"
    & skf21("7","7","2","1","7","6","7","1") = "6"
    & skf21("7","7","2","1","7","7","1","1") = "6"
    & skf21("7","7","2","1","7","7","2","1") = "6"
    & skf21("7","7","2","1","7","7","3","1") = "6"
    & skf21("7","7","2","1","7","7","4","1") = "6"
    & skf21("7","7","2","1","7","7","5","1") = "6"
    & skf21("7","7","2","1","7","7","6","1") = "6"
    & skf21("7","7","2","1","7","7","7","1") = "6"
    & skf21("7","7","2","2","1","1","1","1") = "6"
    & skf21("7","7","2","2","1","1","2","1") = "6"
    & skf21("7","7","2","2","1","1","3","1") = "6"
    & skf21("7","7","2","2","1","1","4","1") = "6"
    & skf21("7","7","2","2","1","1","5","1") = "6"
    & skf21("7","7","2","2","1","1","6","1") = "6"
    & skf21("7","7","2","2","1","1","7","1") = "6"
    & skf21("7","7","2","2","1","2","1","1") = "6"
    & skf21("7","7","2","2","1","2","2","1") = "6"
    & skf21("7","7","2","2","1","2","3","1") = "6"
    & skf21("7","7","2","2","1","2","4","1") = "6"
    & skf21("7","7","2","2","1","2","5","1") = "6"
    & skf21("7","7","2","2","1","2","6","1") = "6"
    & skf21("7","7","2","2","1","2","7","1") = "6"
    & skf21("7","7","2","2","1","3","1","1") = "6"
    & skf21("7","7","2","2","1","3","2","1") = "6"
    & skf21("7","7","2","2","1","3","3","1") = "6"
    & skf21("7","7","2","2","1","3","4","1") = "6"
    & skf21("7","7","2","2","1","3","5","1") = "6"
    & skf21("7","7","2","2","1","3","6","1") = "6"
    & skf21("7","7","2","2","1","3","7","1") = "6"
    & skf21("7","7","2","2","1","4","1","1") = "6"
    & skf21("7","7","2","2","1","4","2","1") = "6"
    & skf21("7","7","2","2","1","4","3","1") = "6"
    & skf21("7","7","2","2","1","4","4","1") = "6"
    & skf21("7","7","2","2","1","4","5","1") = "6"
    & skf21("7","7","2","2","1","4","6","1") = "6"
    & skf21("7","7","2","2","1","4","7","1") = "6"
    & skf21("7","7","2","2","1","5","1","1") = "6"
    & skf21("7","7","2","2","1","5","2","1") = "6"
    & skf21("7","7","2","2","1","5","3","1") = "6"
    & skf21("7","7","2","2","1","5","4","1") = "6"
    & skf21("7","7","2","2","1","5","5","1") = "6"
    & skf21("7","7","2","2","1","5","6","1") = "6"
    & skf21("7","7","2","2","1","5","7","1") = "6"
    & skf21("7","7","2","2","1","6","1","1") = "6"
    & skf21("7","7","2","2","1","6","2","1") = "6"
    & skf21("7","7","2","2","1","6","3","1") = "6"
    & skf21("7","7","2","2","1","6","4","1") = "6"
    & skf21("7","7","2","2","1","6","5","1") = "6"
    & skf21("7","7","2","2","1","6","6","1") = "6"
    & skf21("7","7","2","2","1","6","7","1") = "6"
    & skf21("7","7","2","2","1","7","1","1") = "6"
    & skf21("7","7","2","2","1","7","2","1") = "6"
    & skf21("7","7","2","2","1","7","3","1") = "6"
    & skf21("7","7","2","2","1","7","4","1") = "6"
    & skf21("7","7","2","2","1","7","5","1") = "6"
    & skf21("7","7","2","2","1","7","6","1") = "6"
    & skf21("7","7","2","2","1","7","7","1") = "6"
    & skf21("7","7","2","2","2","1","1","1") = "6"
    & skf21("7","7","2","2","2","1","2","1") = "6"
    & skf21("7","7","2","2","2","1","3","1") = "6"
    & skf21("7","7","2","2","2","1","4","1") = "6"
    & skf21("7","7","2","2","2","1","5","1") = "6"
    & skf21("7","7","2","2","2","1","6","1") = "6"
    & skf21("7","7","2","2","2","1","7","1") = "6"
    & skf21("7","7","2","2","2","2","1","1") = "6"
    & skf21("7","7","2","2","2","2","2","1") = "6"
    & skf21("7","7","2","2","2","2","3","1") = "6"
    & skf21("7","7","2","2","2","2","4","1") = "6"
    & skf21("7","7","2","2","2","2","5","1") = "6"
    & skf21("7","7","2","2","2","2","6","1") = "6"
    & skf21("7","7","2","2","2","2","7","1") = "6"
    & skf21("7","7","2","2","2","3","1","1") = "6"
    & skf21("7","7","2","2","2","3","2","1") = "6"
    & skf21("7","7","2","2","2","3","3","1") = "6"
    & skf21("7","7","2","2","2","3","4","1") = "6"
    & skf21("7","7","2","2","2","3","5","1") = "6"
    & skf21("7","7","2","2","2","3","6","1") = "6"
    & skf21("7","7","2","2","2","3","7","1") = "6"
    & skf21("7","7","2","2","2","4","1","1") = "6"
    & skf21("7","7","2","2","2","4","2","1") = "6"
    & skf21("7","7","2","2","2","4","3","1") = "6"
    & skf21("7","7","2","2","2","4","4","1") = "6"
    & skf21("7","7","2","2","2","4","5","1") = "6"
    & skf21("7","7","2","2","2","4","6","1") = "6"
    & skf21("7","7","2","2","2","4","7","1") = "6"
    & skf21("7","7","2","2","2","5","1","1") = "6"
    & skf21("7","7","2","2","2","5","2","1") = "6"
    & skf21("7","7","2","2","2","5","3","1") = "6"
    & skf21("7","7","2","2","2","5","4","1") = "6"
    & skf21("7","7","2","2","2","5","5","1") = "6"
    & skf21("7","7","2","2","2","5","6","1") = "6"
    & skf21("7","7","2","2","2","5","7","1") = "6"
    & skf21("7","7","2","2","2","6","1","1") = "6"
    & skf21("7","7","2","2","2","6","2","1") = "6"
    & skf21("7","7","2","2","2","6","3","1") = "6"
    & skf21("7","7","2","2","2","6","4","1") = "6"
    & skf21("7","7","2","2","2","6","5","1") = "6"
    & skf21("7","7","2","2","2","6","6","1") = "6"
    & skf21("7","7","2","2","2","6","7","1") = "6"
    & skf21("7","7","2","2","2","7","1","1") = "6"
    & skf21("7","7","2","2","2","7","2","1") = "6"
    & skf21("7","7","2","2","2","7","3","1") = "6"
    & skf21("7","7","2","2","2","7","4","1") = "6"
    & skf21("7","7","2","2","2","7","5","1") = "6"
    & skf21("7","7","2","2","2","7","6","1") = "6"
    & skf21("7","7","2","2","2","7","7","1") = "6"
    & skf21("7","7","2","2","3","1","1","1") = "6"
    & skf21("7","7","2","2","3","1","2","1") = "6"
    & skf21("7","7","2","2","3","1","3","1") = "6"
    & skf21("7","7","2","2","3","1","4","1") = "6"
    & skf21("7","7","2","2","3","1","5","1") = "6"
    & skf21("7","7","2","2","3","1","6","1") = "6"
    & skf21("7","7","2","2","3","1","7","1") = "6"
    & skf21("7","7","2","2","3","2","1","1") = "6"
    & skf21("7","7","2","2","3","2","2","1") = "6"
    & skf21("7","7","2","2","3","2","3","1") = "6"
    & skf21("7","7","2","2","3","2","4","1") = "6"
    & skf21("7","7","2","2","3","2","5","1") = "6"
    & skf21("7","7","2","2","3","2","6","1") = "6"
    & skf21("7","7","2","2","3","2","7","1") = "6"
    & skf21("7","7","2","2","3","3","1","1") = "6"
    & skf21("7","7","2","2","3","3","2","1") = "6"
    & skf21("7","7","2","2","3","3","3","1") = "6"
    & skf21("7","7","2","2","3","3","4","1") = "6"
    & skf21("7","7","2","2","3","3","5","1") = "6"
    & skf21("7","7","2","2","3","3","6","1") = "6"
    & skf21("7","7","2","2","3","3","7","1") = "6"
    & skf21("7","7","2","2","3","4","1","1") = "6"
    & skf21("7","7","2","2","3","4","2","1") = "6"
    & skf21("7","7","2","2","3","4","3","1") = "6"
    & skf21("7","7","2","2","3","4","4","1") = "6"
    & skf21("7","7","2","2","3","4","5","1") = "6"
    & skf21("7","7","2","2","3","4","6","1") = "6"
    & skf21("7","7","2","2","3","4","7","1") = "6"
    & skf21("7","7","2","2","3","5","1","1") = "6"
    & skf21("7","7","2","2","3","5","2","1") = "6"
    & skf21("7","7","2","2","3","5","3","1") = "6"
    & skf21("7","7","2","2","3","5","4","1") = "6"
    & skf21("7","7","2","2","3","5","5","1") = "6"
    & skf21("7","7","2","2","3","5","6","1") = "6"
    & skf21("7","7","2","2","3","5","7","1") = "6"
    & skf21("7","7","2","2","3","6","1","1") = "6"
    & skf21("7","7","2","2","3","6","2","1") = "6"
    & skf21("7","7","2","2","3","6","3","1") = "6"
    & skf21("7","7","2","2","3","6","4","1") = "6"
    & skf21("7","7","2","2","3","6","5","1") = "6"
    & skf21("7","7","2","2","3","6","6","1") = "6"
    & skf21("7","7","2","2","3","6","7","1") = "6"
    & skf21("7","7","2","2","3","7","1","1") = "6"
    & skf21("7","7","2","2","3","7","2","1") = "6"
    & skf21("7","7","2","2","3","7","3","1") = "6"
    & skf21("7","7","2","2","3","7","4","1") = "6"
    & skf21("7","7","2","2","3","7","5","1") = "6"
    & skf21("7","7","2","2","3","7","6","1") = "6"
    & skf21("7","7","2","2","3","7","7","1") = "6"
    & skf21("7","7","2","2","4","1","1","1") = "6"
    & skf21("7","7","2","2","4","1","2","1") = "6"
    & skf21("7","7","2","2","4","1","3","1") = "6"
    & skf21("7","7","2","2","4","1","4","1") = "6"
    & skf21("7","7","2","2","4","1","5","1") = "6"
    & skf21("7","7","2","2","4","1","6","1") = "6"
    & skf21("7","7","2","2","4","1","7","1") = "6"
    & skf21("7","7","2","2","4","2","1","1") = "6"
    & skf21("7","7","2","2","4","2","2","1") = "6"
    & skf21("7","7","2","2","4","2","3","1") = "6"
    & skf21("7","7","2","2","4","2","4","1") = "6"
    & skf21("7","7","2","2","4","2","5","1") = "6"
    & skf21("7","7","2","2","4","2","6","1") = "6"
    & skf21("7","7","2","2","4","2","7","1") = "6"
    & skf21("7","7","2","2","4","3","1","1") = "6"
    & skf21("7","7","2","2","4","3","2","1") = "6"
    & skf21("7","7","2","2","4","3","3","1") = "6"
    & skf21("7","7","2","2","4","3","4","1") = "6"
    & skf21("7","7","2","2","4","3","5","1") = "6"
    & skf21("7","7","2","2","4","3","6","1") = "6"
    & skf21("7","7","2","2","4","3","7","1") = "6"
    & skf21("7","7","2","2","4","4","1","1") = "6"
    & skf21("7","7","2","2","4","4","2","1") = "6"
    & skf21("7","7","2","2","4","4","3","1") = "6"
    & skf21("7","7","2","2","4","4","4","1") = "6"
    & skf21("7","7","2","2","4","4","5","1") = "6"
    & skf21("7","7","2","2","4","4","6","1") = "6"
    & skf21("7","7","2","2","4","4","7","1") = "6"
    & skf21("7","7","2","2","4","5","1","1") = "6"
    & skf21("7","7","2","2","4","5","2","1") = "6"
    & skf21("7","7","2","2","4","5","3","1") = "6"
    & skf21("7","7","2","2","4","5","4","1") = "6"
    & skf21("7","7","2","2","4","5","5","1") = "6"
    & skf21("7","7","2","2","4","5","6","1") = "6"
    & skf21("7","7","2","2","4","5","7","1") = "6"
    & skf21("7","7","2","2","4","6","1","1") = "6"
    & skf21("7","7","2","2","4","6","2","1") = "6"
    & skf21("7","7","2","2","4","6","3","1") = "6"
    & skf21("7","7","2","2","4","6","4","1") = "6"
    & skf21("7","7","2","2","4","6","5","1") = "6"
    & skf21("7","7","2","2","4","6","6","1") = "6"
    & skf21("7","7","2","2","4","6","7","1") = "6"
    & skf21("7","7","2","2","4","7","1","1") = "6"
    & skf21("7","7","2","2","4","7","2","1") = "6"
    & skf21("7","7","2","2","4","7","3","1") = "6"
    & skf21("7","7","2","2","4","7","4","1") = "6"
    & skf21("7","7","2","2","4","7","5","1") = "6"
    & skf21("7","7","2","2","4","7","6","1") = "6"
    & skf21("7","7","2","2","4","7","7","1") = "6"
    & skf21("7","7","2","2","5","1","1","1") = "6"
    & skf21("7","7","2","2","5","1","2","1") = "6"
    & skf21("7","7","2","2","5","1","3","1") = "6"
    & skf21("7","7","2","2","5","1","4","1") = "6"
    & skf21("7","7","2","2","5","1","5","1") = "6"
    & skf21("7","7","2","2","5","1","6","1") = "6"
    & skf21("7","7","2","2","5","1","7","1") = "6"
    & skf21("7","7","2","2","5","2","1","1") = "6"
    & skf21("7","7","2","2","5","2","2","1") = "6"
    & skf21("7","7","2","2","5","2","3","1") = "6"
    & skf21("7","7","2","2","5","2","4","1") = "6"
    & skf21("7","7","2","2","5","2","5","1") = "6"
    & skf21("7","7","2","2","5","2","6","1") = "6"
    & skf21("7","7","2","2","5","2","7","1") = "6"
    & skf21("7","7","2","2","5","3","1","1") = "6"
    & skf21("7","7","2","2","5","3","2","1") = "6"
    & skf21("7","7","2","2","5","3","3","1") = "6"
    & skf21("7","7","2","2","5","3","4","1") = "6"
    & skf21("7","7","2","2","5","3","5","1") = "6"
    & skf21("7","7","2","2","5","3","6","1") = "6"
    & skf21("7","7","2","2","5","3","7","1") = "6"
    & skf21("7","7","2","2","5","4","1","1") = "6"
    & skf21("7","7","2","2","5","4","2","1") = "6"
    & skf21("7","7","2","2","5","4","3","1") = "6"
    & skf21("7","7","2","2","5","4","4","1") = "6"
    & skf21("7","7","2","2","5","4","5","1") = "6"
    & skf21("7","7","2","2","5","4","6","1") = "6"
    & skf21("7","7","2","2","5","4","7","1") = "6"
    & skf21("7","7","2","2","5","5","1","1") = "6"
    & skf21("7","7","2","2","5","5","2","1") = "6"
    & skf21("7","7","2","2","5","5","3","1") = "6"
    & skf21("7","7","2","2","5","5","4","1") = "6"
    & skf21("7","7","2","2","5","5","5","1") = "6"
    & skf21("7","7","2","2","5","5","6","1") = "6"
    & skf21("7","7","2","2","5","5","7","1") = "6"
    & skf21("7","7","2","2","5","6","1","1") = "6"
    & skf21("7","7","2","2","5","6","2","1") = "6"
    & skf21("7","7","2","2","5","6","3","1") = "6"
    & skf21("7","7","2","2","5","6","4","1") = "6"
    & skf21("7","7","2","2","5","6","5","1") = "6"
    & skf21("7","7","2","2","5","6","6","1") = "6"
    & skf21("7","7","2","2","5","6","7","1") = "6"
    & skf21("7","7","2","2","5","7","1","1") = "6"
    & skf21("7","7","2","2","5","7","2","1") = "6"
    & skf21("7","7","2","2","5","7","3","1") = "6"
    & skf21("7","7","2","2","5","7","4","1") = "6"
    & skf21("7","7","2","2","5","7","5","1") = "6"
    & skf21("7","7","2","2","5","7","6","1") = "6"
    & skf21("7","7","2","2","5","7","7","1") = "6"
    & skf21("7","7","2","2","6","1","1","1") = "6"
    & skf21("7","7","2","2","6","1","2","1") = "6"
    & skf21("7","7","2","2","6","1","3","1") = "6"
    & skf21("7","7","2","2","6","1","4","1") = "6"
    & skf21("7","7","2","2","6","1","5","1") = "6"
    & skf21("7","7","2","2","6","1","6","1") = "6"
    & skf21("7","7","2","2","6","1","7","1") = "6"
    & skf21("7","7","2","2","6","2","1","1") = "6"
    & skf21("7","7","2","2","6","2","2","1") = "6"
    & skf21("7","7","2","2","6","2","3","1") = "6"
    & skf21("7","7","2","2","6","2","4","1") = "6"
    & skf21("7","7","2","2","6","2","5","1") = "6"
    & skf21("7","7","2","2","6","2","6","1") = "6"
    & skf21("7","7","2","2","6","2","7","1") = "6"
    & skf21("7","7","2","2","6","3","1","1") = "6"
    & skf21("7","7","2","2","6","3","2","1") = "6"
    & skf21("7","7","2","2","6","3","3","1") = "6"
    & skf21("7","7","2","2","6","3","4","1") = "6"
    & skf21("7","7","2","2","6","3","5","1") = "6"
    & skf21("7","7","2","2","6","3","6","1") = "6"
    & skf21("7","7","2","2","6","3","7","1") = "6"
    & skf21("7","7","2","2","6","4","1","1") = "6"
    & skf21("7","7","2","2","6","4","2","1") = "6"
    & skf21("7","7","2","2","6","4","3","1") = "6"
    & skf21("7","7","2","2","6","4","4","1") = "6"
    & skf21("7","7","2","2","6","4","5","1") = "6"
    & skf21("7","7","2","2","6","4","6","1") = "6"
    & skf21("7","7","2","2","6","4","7","1") = "6"
    & skf21("7","7","2","2","6","5","1","1") = "6"
    & skf21("7","7","2","2","6","5","2","1") = "6"
    & skf21("7","7","2","2","6","5","3","1") = "6"
    & skf21("7","7","2","2","6","5","4","1") = "6"
    & skf21("7","7","2","2","6","5","5","1") = "6"
    & skf21("7","7","2","2","6","5","6","1") = "6"
    & skf21("7","7","2","2","6","5","7","1") = "6"
    & skf21("7","7","2","2","6","6","1","1") = "6"
    & skf21("7","7","2","2","6","6","2","1") = "6"
    & skf21("7","7","2","2","6","6","3","1") = "6"
    & skf21("7","7","2","2","6","6","4","1") = "6"
    & skf21("7","7","2","2","6","6","5","1") = "6"
    & skf21("7","7","2","2","6","6","6","1") = "6"
    & skf21("7","7","2","2","6","6","7","1") = "6"
    & skf21("7","7","2","2","6","7","1","1") = "6"
    & skf21("7","7","2","2","6","7","2","1") = "6"
    & skf21("7","7","2","2","6","7","3","1") = "6"
    & skf21("7","7","2","2","6","7","4","1") = "6"
    & skf21("7","7","2","2","6","7","5","1") = "6"
    & skf21("7","7","2","2","6","7","6","1") = "6"
    & skf21("7","7","2","2","6","7","7","1") = "6"
    & skf21("7","7","2","2","7","1","1","1") = "6"
    & skf21("7","7","2","2","7","1","2","1") = "6"
    & skf21("7","7","2","2","7","1","3","1") = "6"
    & skf21("7","7","2","2","7","1","4","1") = "6"
    & skf21("7","7","2","2","7","1","5","1") = "6"
    & skf21("7","7","2","2","7","1","6","1") = "6"
    & skf21("7","7","2","2","7","1","7","1") = "6"
    & skf21("7","7","2","2","7","2","1","1") = "6"
    & skf21("7","7","2","2","7","2","2","1") = "6"
    & skf21("7","7","2","2","7","2","3","1") = "6"
    & skf21("7","7","2","2","7","2","4","1") = "6"
    & skf21("7","7","2","2","7","2","5","1") = "6"
    & skf21("7","7","2","2","7","2","6","1") = "6"
    & skf21("7","7","2","2","7","2","7","1") = "6"
    & skf21("7","7","2","2","7","3","1","1") = "6"
    & skf21("7","7","2","2","7","3","2","1") = "6"
    & skf21("7","7","2","2","7","3","3","1") = "6"
    & skf21("7","7","2","2","7","3","4","1") = "6"
    & skf21("7","7","2","2","7","3","5","1") = "6"
    & skf21("7","7","2","2","7","3","6","1") = "6"
    & skf21("7","7","2","2","7","3","7","1") = "6"
    & skf21("7","7","2","2","7","4","1","1") = "6"
    & skf21("7","7","2","2","7","4","2","1") = "6"
    & skf21("7","7","2","2","7","4","3","1") = "6"
    & skf21("7","7","2","2","7","4","4","1") = "6"
    & skf21("7","7","2","2","7","4","5","1") = "6"
    & skf21("7","7","2","2","7","4","6","1") = "6"
    & skf21("7","7","2","2","7","4","7","1") = "6"
    & skf21("7","7","2","2","7","5","1","1") = "6"
    & skf21("7","7","2","2","7","5","2","1") = "6"
    & skf21("7","7","2","2","7","5","3","1") = "6"
    & skf21("7","7","2","2","7","5","4","1") = "6"
    & skf21("7","7","2","2","7","5","5","1") = "6"
    & skf21("7","7","2","2","7","5","6","1") = "6"
    & skf21("7","7","2","2","7","5","7","1") = "6"
    & skf21("7","7","2","2","7","6","1","1") = "6"
    & skf21("7","7","2","2","7","6","2","1") = "6"
    & skf21("7","7","2","2","7","6","3","1") = "6"
    & skf21("7","7","2","2","7","6","4","1") = "6"
    & skf21("7","7","2","2","7","6","5","1") = "6"
    & skf21("7","7","2","2","7","6","6","1") = "6"
    & skf21("7","7","2","2","7","6","7","1") = "6"
    & skf21("7","7","2","2","7","7","1","1") = "6"
    & skf21("7","7","2","2","7","7","2","1") = "6"
    & skf21("7","7","2","2","7","7","3","1") = "6"
    & skf21("7","7","2","2","7","7","4","1") = "6"
    & skf21("7","7","2","2","7","7","5","1") = "6"
    & skf21("7","7","2","2","7","7","6","1") = "6"
    & skf21("7","7","2","2","7","7","7","1") = "6"
    & skf21("7","7","2","3","1","1","1","1") = "6"
    & skf21("7","7","2","3","1","1","2","1") = "6"
    & skf21("7","7","2","3","1","1","3","1") = "6"
    & skf21("7","7","2","3","1","1","4","1") = "6"
    & skf21("7","7","2","3","1","1","5","1") = "6"
    & skf21("7","7","2","3","1","1","6","1") = "6"
    & skf21("7","7","2","3","1","1","7","1") = "6"
    & skf21("7","7","2","3","1","2","1","1") = "6"
    & skf21("7","7","2","3","1","2","2","1") = "6"
    & skf21("7","7","2","3","1","2","3","1") = "6"
    & skf21("7","7","2","3","1","2","4","1") = "6"
    & skf21("7","7","2","3","1","2","5","1") = "6"
    & skf21("7","7","2","3","1","2","6","1") = "6"
    & skf21("7","7","2","3","1","2","7","1") = "6"
    & skf21("7","7","2","3","1","3","1","1") = "6"
    & skf21("7","7","2","3","1","3","2","1") = "6"
    & skf21("7","7","2","3","1","3","3","1") = "6"
    & skf21("7","7","2","3","1","3","4","1") = "6"
    & skf21("7","7","2","3","1","3","5","1") = "6"
    & skf21("7","7","2","3","1","3","6","1") = "6"
    & skf21("7","7","2","3","1","3","7","1") = "6"
    & skf21("7","7","2","3","1","4","1","1") = "6"
    & skf21("7","7","2","3","1","4","2","1") = "6"
    & skf21("7","7","2","3","1","4","3","1") = "6"
    & skf21("7","7","2","3","1","4","4","1") = "6"
    & skf21("7","7","2","3","1","4","5","1") = "6"
    & skf21("7","7","2","3","1","4","6","1") = "6"
    & skf21("7","7","2","3","1","4","7","1") = "6"
    & skf21("7","7","2","3","1","5","1","1") = "6"
    & skf21("7","7","2","3","1","5","2","1") = "6"
    & skf21("7","7","2","3","1","5","3","1") = "6"
    & skf21("7","7","2","3","1","5","4","1") = "6"
    & skf21("7","7","2","3","1","5","5","1") = "6"
    & skf21("7","7","2","3","1","5","6","1") = "6"
    & skf21("7","7","2","3","1","5","7","1") = "6"
    & skf21("7","7","2","3","1","6","1","1") = "6"
    & skf21("7","7","2","3","1","6","2","1") = "6"
    & skf21("7","7","2","3","1","6","3","1") = "6"
    & skf21("7","7","2","3","1","6","4","1") = "6"
    & skf21("7","7","2","3","1","6","5","1") = "6"
    & skf21("7","7","2","3","1","6","6","1") = "6"
    & skf21("7","7","2","3","1","6","7","1") = "6"
    & skf21("7","7","2","3","1","7","1","1") = "6"
    & skf21("7","7","2","3","1","7","2","1") = "6"
    & skf21("7","7","2","3","1","7","3","1") = "6"
    & skf21("7","7","2","3","1","7","4","1") = "6"
    & skf21("7","7","2","3","1","7","5","1") = "6"
    & skf21("7","7","2","3","1","7","6","1") = "6"
    & skf21("7","7","2","3","1","7","7","1") = "6"
    & skf21("7","7","2","3","2","1","1","1") = "6"
    & skf21("7","7","2","3","2","1","2","1") = "6"
    & skf21("7","7","2","3","2","1","3","1") = "6"
    & skf21("7","7","2","3","2","1","4","1") = "6"
    & skf21("7","7","2","3","2","1","5","1") = "6"
    & skf21("7","7","2","3","2","1","6","1") = "6"
    & skf21("7","7","2","3","2","1","7","1") = "6"
    & skf21("7","7","2","3","2","2","1","1") = "6"
    & skf21("7","7","2","3","2","2","2","1") = "6"
    & skf21("7","7","2","3","2","2","3","1") = "6"
    & skf21("7","7","2","3","2","2","4","1") = "6"
    & skf21("7","7","2","3","2","2","5","1") = "6"
    & skf21("7","7","2","3","2","2","6","1") = "6"
    & skf21("7","7","2","3","2","2","7","1") = "6"
    & skf21("7","7","2","3","2","3","1","1") = "6"
    & skf21("7","7","2","3","2","3","2","1") = "6"
    & skf21("7","7","2","3","2","3","3","1") = "6"
    & skf21("7","7","2","3","2","3","4","1") = "6"
    & skf21("7","7","2","3","2","3","5","1") = "6"
    & skf21("7","7","2","3","2","3","6","1") = "6"
    & skf21("7","7","2","3","2","3","7","1") = "6"
    & skf21("7","7","2","3","2","4","1","1") = "6"
    & skf21("7","7","2","3","2","4","2","1") = "6"
    & skf21("7","7","2","3","2","4","3","1") = "6"
    & skf21("7","7","2","3","2","4","4","1") = "6"
    & skf21("7","7","2","3","2","4","5","1") = "6"
    & skf21("7","7","2","3","2","4","6","1") = "6"
    & skf21("7","7","2","3","2","4","7","1") = "6"
    & skf21("7","7","2","3","2","5","1","1") = "6"
    & skf21("7","7","2","3","2","5","2","1") = "6"
    & skf21("7","7","2","3","2","5","3","1") = "6"
    & skf21("7","7","2","3","2","5","4","1") = "6"
    & skf21("7","7","2","3","2","5","5","1") = "6"
    & skf21("7","7","2","3","2","5","6","1") = "6"
    & skf21("7","7","2","3","2","5","7","1") = "6"
    & skf21("7","7","2","3","2","6","1","1") = "6"
    & skf21("7","7","2","3","2","6","2","1") = "6"
    & skf21("7","7","2","3","2","6","3","1") = "6"
    & skf21("7","7","2","3","2","6","4","1") = "6"
    & skf21("7","7","2","3","2","6","5","1") = "6"
    & skf21("7","7","2","3","2","6","6","1") = "6"
    & skf21("7","7","2","3","2","6","7","1") = "6"
    & skf21("7","7","2","3","2","7","1","1") = "6"
    & skf21("7","7","2","3","2","7","2","1") = "6"
    & skf21("7","7","2","3","2","7","3","1") = "6"
    & skf21("7","7","2","3","2","7","4","1") = "6"
    & skf21("7","7","2","3","2","7","5","1") = "6"
    & skf21("7","7","2","3","2","7","6","1") = "6"
    & skf21("7","7","2","3","2","7","7","1") = "6"
    & skf21("7","7","2","3","3","1","1","1") = "6"
    & skf21("7","7","2","3","3","1","2","1") = "6"
    & skf21("7","7","2","3","3","1","3","1") = "6"
    & skf21("7","7","2","3","3","1","4","1") = "6"
    & skf21("7","7","2","3","3","1","5","1") = "6"
    & skf21("7","7","2","3","3","1","6","1") = "6"
    & skf21("7","7","2","3","3","1","7","1") = "6"
    & skf21("7","7","2","3","3","2","1","1") = "6"
    & skf21("7","7","2","3","3","2","2","1") = "6"
    & skf21("7","7","2","3","3","2","3","1") = "6"
    & skf21("7","7","2","3","3","2","4","1") = "6"
    & skf21("7","7","2","3","3","2","5","1") = "6"
    & skf21("7","7","2","3","3","2","6","1") = "6"
    & skf21("7","7","2","3","3","2","7","1") = "6"
    & skf21("7","7","2","3","3","3","1","1") = "6"
    & skf21("7","7","2","3","3","3","2","1") = "6"
    & skf21("7","7","2","3","3","3","3","1") = "6"
    & skf21("7","7","2","3","3","3","4","1") = "6"
    & skf21("7","7","2","3","3","3","5","1") = "6"
    & skf21("7","7","2","3","3","3","6","1") = "6"
    & skf21("7","7","2","3","3","3","7","1") = "6"
    & skf21("7","7","2","3","3","4","1","1") = "6"
    & skf21("7","7","2","3","3","4","2","1") = "6"
    & skf21("7","7","2","3","3","4","3","1") = "6"
    & skf21("7","7","2","3","3","4","4","1") = "6"
    & skf21("7","7","2","3","3","4","5","1") = "6"
    & skf21("7","7","2","3","3","4","6","1") = "6"
    & skf21("7","7","2","3","3","4","7","1") = "6"
    & skf21("7","7","2","3","3","5","1","1") = "6"
    & skf21("7","7","2","3","3","5","2","1") = "6"
    & skf21("7","7","2","3","3","5","3","1") = "6"
    & skf21("7","7","2","3","3","5","4","1") = "6"
    & skf21("7","7","2","3","3","5","5","1") = "6"
    & skf21("7","7","2","3","3","5","6","1") = "6"
    & skf21("7","7","2","3","3","5","7","1") = "6"
    & skf21("7","7","2","3","3","6","1","1") = "6"
    & skf21("7","7","2","3","3","6","2","1") = "6"
    & skf21("7","7","2","3","3","6","3","1") = "6"
    & skf21("7","7","2","3","3","6","4","1") = "6"
    & skf21("7","7","2","3","3","6","5","1") = "6"
    & skf21("7","7","2","3","3","6","6","1") = "6"
    & skf21("7","7","2","3","3","6","7","1") = "6"
    & skf21("7","7","2","3","3","7","1","1") = "6"
    & skf21("7","7","2","3","3","7","2","1") = "6"
    & skf21("7","7","2","3","3","7","3","1") = "6"
    & skf21("7","7","2","3","3","7","4","1") = "6"
    & skf21("7","7","2","3","3","7","5","1") = "6"
    & skf21("7","7","2","3","3","7","6","1") = "6"
    & skf21("7","7","2","3","3","7","7","1") = "6"
    & skf21("7","7","2","3","4","1","1","1") = "6"
    & skf21("7","7","2","3","4","1","2","1") = "6"
    & skf21("7","7","2","3","4","1","3","1") = "6"
    & skf21("7","7","2","3","4","1","4","1") = "6"
    & skf21("7","7","2","3","4","1","5","1") = "6"
    & skf21("7","7","2","3","4","1","6","1") = "6"
    & skf21("7","7","2","3","4","1","7","1") = "6"
    & skf21("7","7","2","3","4","2","1","1") = "6"
    & skf21("7","7","2","3","4","2","2","1") = "6"
    & skf21("7","7","2","3","4","2","3","1") = "6"
    & skf21("7","7","2","3","4","2","4","1") = "6"
    & skf21("7","7","2","3","4","2","5","1") = "6"
    & skf21("7","7","2","3","4","2","6","1") = "6"
    & skf21("7","7","2","3","4","2","7","1") = "6"
    & skf21("7","7","2","3","4","3","1","1") = "6"
    & skf21("7","7","2","3","4","3","2","1") = "6"
    & skf21("7","7","2","3","4","3","3","1") = "6"
    & skf21("7","7","2","3","4","3","4","1") = "6"
    & skf21("7","7","2","3","4","3","5","1") = "6"
    & skf21("7","7","2","3","4","3","6","1") = "6"
    & skf21("7","7","2","3","4","3","7","1") = "6"
    & skf21("7","7","2","3","4","4","1","1") = "6"
    & skf21("7","7","2","3","4","4","2","1") = "6"
    & skf21("7","7","2","3","4","4","3","1") = "6"
    & skf21("7","7","2","3","4","4","4","1") = "6"
    & skf21("7","7","2","3","4","4","5","1") = "6"
    & skf21("7","7","2","3","4","4","6","1") = "6"
    & skf21("7","7","2","3","4","4","7","1") = "6"
    & skf21("7","7","2","3","4","5","1","1") = "6"
    & skf21("7","7","2","3","4","5","2","1") = "6"
    & skf21("7","7","2","3","4","5","3","1") = "6"
    & skf21("7","7","2","3","4","5","4","1") = "6"
    & skf21("7","7","2","3","4","5","5","1") = "6"
    & skf21("7","7","2","3","4","5","6","1") = "6"
    & skf21("7","7","2","3","4","5","7","1") = "6"
    & skf21("7","7","2","3","4","6","1","1") = "6"
    & skf21("7","7","2","3","4","6","2","1") = "6"
    & skf21("7","7","2","3","4","6","3","1") = "6"
    & skf21("7","7","2","3","4","6","4","1") = "6"
    & skf21("7","7","2","3","4","6","5","1") = "6"
    & skf21("7","7","2","3","4","6","6","1") = "6"
    & skf21("7","7","2","3","4","6","7","1") = "6"
    & skf21("7","7","2","3","4","7","1","1") = "6"
    & skf21("7","7","2","3","4","7","2","1") = "6"
    & skf21("7","7","2","3","4","7","3","1") = "6"
    & skf21("7","7","2","3","4","7","4","1") = "6"
    & skf21("7","7","2","3","4","7","5","1") = "6"
    & skf21("7","7","2","3","4","7","6","1") = "6"
    & skf21("7","7","2","3","4","7","7","1") = "6"
    & skf21("7","7","2","3","5","1","1","1") = "6"
    & skf21("7","7","2","3","5","1","2","1") = "6"
    & skf21("7","7","2","3","5","1","3","1") = "6"
    & skf21("7","7","2","3","5","1","4","1") = "6"
    & skf21("7","7","2","3","5","1","5","1") = "6"
    & skf21("7","7","2","3","5","1","6","1") = "6"
    & skf21("7","7","2","3","5","1","7","1") = "6"
    & skf21("7","7","2","3","5","2","1","1") = "6"
    & skf21("7","7","2","3","5","2","2","1") = "6"
    & skf21("7","7","2","3","5","2","3","1") = "6"
    & skf21("7","7","2","3","5","2","4","1") = "6"
    & skf21("7","7","2","3","5","2","5","1") = "6"
    & skf21("7","7","2","3","5","2","6","1") = "6"
    & skf21("7","7","2","3","5","2","7","1") = "6"
    & skf21("7","7","2","3","5","3","1","1") = "6"
    & skf21("7","7","2","3","5","3","2","1") = "6"
    & skf21("7","7","2","3","5","3","3","1") = "6"
    & skf21("7","7","2","3","5","3","4","1") = "6"
    & skf21("7","7","2","3","5","3","5","1") = "6"
    & skf21("7","7","2","3","5","3","6","1") = "6"
    & skf21("7","7","2","3","5","3","7","1") = "6"
    & skf21("7","7","2","3","5","4","1","1") = "6"
    & skf21("7","7","2","3","5","4","2","1") = "6"
    & skf21("7","7","2","3","5","4","3","1") = "6"
    & skf21("7","7","2","3","5","4","4","1") = "6"
    & skf21("7","7","2","3","5","4","5","1") = "6"
    & skf21("7","7","2","3","5","4","6","1") = "6"
    & skf21("7","7","2","3","5","4","7","1") = "6"
    & skf21("7","7","2","3","5","5","1","1") = "6"
    & skf21("7","7","2","3","5","5","2","1") = "6"
    & skf21("7","7","2","3","5","5","3","1") = "6"
    & skf21("7","7","2","3","5","5","4","1") = "6"
    & skf21("7","7","2","3","5","5","5","1") = "6"
    & skf21("7","7","2","3","5","5","6","1") = "6"
    & skf21("7","7","2","3","5","5","7","1") = "6"
    & skf21("7","7","2","3","5","6","1","1") = "6"
    & skf21("7","7","2","3","5","6","2","1") = "6"
    & skf21("7","7","2","3","5","6","3","1") = "6"
    & skf21("7","7","2","3","5","6","4","1") = "6"
    & skf21("7","7","2","3","5","6","5","1") = "6"
    & skf21("7","7","2","3","5","6","6","1") = "6"
    & skf21("7","7","2","3","5","6","7","1") = "6"
    & skf21("7","7","2","3","5","7","1","1") = "6"
    & skf21("7","7","2","3","5","7","2","1") = "6"
    & skf21("7","7","2","3","5","7","3","1") = "6"
    & skf21("7","7","2","3","5","7","4","1") = "6"
    & skf21("7","7","2","3","5","7","5","1") = "6"
    & skf21("7","7","2","3","5","7","6","1") = "6"
    & skf21("7","7","2","3","5","7","7","1") = "6"
    & skf21("7","7","2","3","6","1","1","1") = "6"
    & skf21("7","7","2","3","6","1","2","1") = "6"
    & skf21("7","7","2","3","6","1","3","1") = "6"
    & skf21("7","7","2","3","6","1","4","1") = "6"
    & skf21("7","7","2","3","6","1","5","1") = "6"
    & skf21("7","7","2","3","6","1","6","1") = "6"
    & skf21("7","7","2","3","6","1","7","1") = "6"
    & skf21("7","7","2","3","6","2","1","1") = "6"
    & skf21("7","7","2","3","6","2","2","1") = "6"
    & skf21("7","7","2","3","6","2","3","1") = "6"
    & skf21("7","7","2","3","6","2","4","1") = "6"
    & skf21("7","7","2","3","6","2","5","1") = "6"
    & skf21("7","7","2","3","6","2","6","1") = "6"
    & skf21("7","7","2","3","6","2","7","1") = "6"
    & skf21("7","7","2","3","6","3","1","1") = "6"
    & skf21("7","7","2","3","6","3","2","1") = "6"
    & skf21("7","7","2","3","6","3","3","1") = "6"
    & skf21("7","7","2","3","6","3","4","1") = "6"
    & skf21("7","7","2","3","6","3","5","1") = "6"
    & skf21("7","7","2","3","6","3","6","1") = "6"
    & skf21("7","7","2","3","6","3","7","1") = "6"
    & skf21("7","7","2","3","6","4","1","1") = "6"
    & skf21("7","7","2","3","6","4","2","1") = "6"
    & skf21("7","7","2","3","6","4","3","1") = "6"
    & skf21("7","7","2","3","6","4","4","1") = "6"
    & skf21("7","7","2","3","6","4","5","1") = "6"
    & skf21("7","7","2","3","6","4","6","1") = "6"
    & skf21("7","7","2","3","6","4","7","1") = "6"
    & skf21("7","7","2","3","6","5","1","1") = "6"
    & skf21("7","7","2","3","6","5","2","1") = "6"
    & skf21("7","7","2","3","6","5","3","1") = "6"
    & skf21("7","7","2","3","6","5","4","1") = "6"
    & skf21("7","7","2","3","6","5","5","1") = "6"
    & skf21("7","7","2","3","6","5","6","1") = "6"
    & skf21("7","7","2","3","6","5","7","1") = "6"
    & skf21("7","7","2","3","6","6","1","1") = "6"
    & skf21("7","7","2","3","6","6","2","1") = "6"
    & skf21("7","7","2","3","6","6","3","1") = "6"
    & skf21("7","7","2","3","6","6","4","1") = "6"
    & skf21("7","7","2","3","6","6","5","1") = "6"
    & skf21("7","7","2","3","6","6","6","1") = "6"
    & skf21("7","7","2","3","6","6","7","1") = "6"
    & skf21("7","7","2","3","6","7","1","1") = "6"
    & skf21("7","7","2","3","6","7","2","1") = "6"
    & skf21("7","7","2","3","6","7","3","1") = "6"
    & skf21("7","7","2","3","6","7","4","1") = "6"
    & skf21("7","7","2","3","6","7","5","1") = "6"
    & skf21("7","7","2","3","6","7","6","1") = "6"
    & skf21("7","7","2","3","6","7","7","1") = "6"
    & skf21("7","7","2","3","7","1","1","1") = "6"
    & skf21("7","7","2","3","7","1","2","1") = "6"
    & skf21("7","7","2","3","7","1","3","1") = "6"
    & skf21("7","7","2","3","7","1","4","1") = "6"
    & skf21("7","7","2","3","7","1","5","1") = "6"
    & skf21("7","7","2","3","7","1","6","1") = "6"
    & skf21("7","7","2","3","7","1","7","1") = "6"
    & skf21("7","7","2","3","7","2","1","1") = "6"
    & skf21("7","7","2","3","7","2","2","1") = "6"
    & skf21("7","7","2","3","7","2","3","1") = "6"
    & skf21("7","7","2","3","7","2","4","1") = "6"
    & skf21("7","7","2","3","7","2","5","1") = "6"
    & skf21("7","7","2","3","7","2","6","1") = "6"
    & skf21("7","7","2","3","7","2","7","1") = "6"
    & skf21("7","7","2","3","7","3","1","1") = "6"
    & skf21("7","7","2","3","7","3","2","1") = "6"
    & skf21("7","7","2","3","7","3","3","1") = "6"
    & skf21("7","7","2","3","7","3","4","1") = "6"
    & skf21("7","7","2","3","7","3","5","1") = "6"
    & skf21("7","7","2","3","7","3","6","1") = "6"
    & skf21("7","7","2","3","7","3","7","1") = "6"
    & skf21("7","7","2","3","7","4","1","1") = "6"
    & skf21("7","7","2","3","7","4","2","1") = "6"
    & skf21("7","7","2","3","7","4","3","1") = "6"
    & skf21("7","7","2","3","7","4","4","1") = "6"
    & skf21("7","7","2","3","7","4","5","1") = "6"
    & skf21("7","7","2","3","7","4","6","1") = "6"
    & skf21("7","7","2","3","7","4","7","1") = "6"
    & skf21("7","7","2","3","7","5","1","1") = "6"
    & skf21("7","7","2","3","7","5","2","1") = "6"
    & skf21("7","7","2","3","7","5","3","1") = "6"
    & skf21("7","7","2","3","7","5","4","1") = "6"
    & skf21("7","7","2","3","7","5","5","1") = "6"
    & skf21("7","7","2","3","7","5","6","1") = "6"
    & skf21("7","7","2","3","7","5","7","1") = "6"
    & skf21("7","7","2","3","7","6","1","1") = "6"
    & skf21("7","7","2","3","7","6","2","1") = "6"
    & skf21("7","7","2","3","7","6","3","1") = "6"
    & skf21("7","7","2","3","7","6","4","1") = "6"
    & skf21("7","7","2","3","7","6","5","1") = "6"
    & skf21("7","7","2","3","7","6","6","1") = "6"
    & skf21("7","7","2","3","7","6","7","1") = "6"
    & skf21("7","7","2","3","7","7","1","1") = "6"
    & skf21("7","7","2","3","7","7","2","1") = "6"
    & skf21("7","7","2","3","7","7","3","1") = "6"
    & skf21("7","7","2","3","7","7","4","1") = "6"
    & skf21("7","7","2","3","7","7","5","1") = "6"
    & skf21("7","7","2","3","7","7","6","1") = "6"
    & skf21("7","7","2","3","7","7","7","1") = "6"
    & skf21("7","7","2","4","1","1","1","1") = "6"
    & skf21("7","7","2","4","1","1","2","1") = "6"
    & skf21("7","7","2","4","1","1","3","1") = "6"
    & skf21("7","7","2","4","1","1","4","1") = "6"
    & skf21("7","7","2","4","1","1","5","1") = "6"
    & skf21("7","7","2","4","1","1","6","1") = "6"
    & skf21("7","7","2","4","1","1","7","1") = "6"
    & skf21("7","7","2","4","1","2","1","1") = "6"
    & skf21("7","7","2","4","1","2","2","1") = "6"
    & skf21("7","7","2","4","1","2","3","1") = "6"
    & skf21("7","7","2","4","1","2","4","1") = "6"
    & skf21("7","7","2","4","1","2","5","1") = "6"
    & skf21("7","7","2","4","1","2","6","1") = "6"
    & skf21("7","7","2","4","1","2","7","1") = "6"
    & skf21("7","7","2","4","1","3","1","1") = "6"
    & skf21("7","7","2","4","1","3","2","1") = "6"
    & skf21("7","7","2","4","1","3","3","1") = "6"
    & skf21("7","7","2","4","1","3","4","1") = "6"
    & skf21("7","7","2","4","1","3","5","1") = "6"
    & skf21("7","7","2","4","1","3","6","1") = "6"
    & skf21("7","7","2","4","1","3","7","1") = "6"
    & skf21("7","7","2","4","1","4","1","1") = "6"
    & skf21("7","7","2","4","1","4","2","1") = "6"
    & skf21("7","7","2","4","1","4","3","1") = "6"
    & skf21("7","7","2","4","1","4","4","1") = "6"
    & skf21("7","7","2","4","1","4","5","1") = "6"
    & skf21("7","7","2","4","1","4","6","1") = "6"
    & skf21("7","7","2","4","1","4","7","1") = "6"
    & skf21("7","7","2","4","1","5","1","1") = "6"
    & skf21("7","7","2","4","1","5","2","1") = "6"
    & skf21("7","7","2","4","1","5","3","1") = "6"
    & skf21("7","7","2","4","1","5","4","1") = "6"
    & skf21("7","7","2","4","1","5","5","1") = "6"
    & skf21("7","7","2","4","1","5","6","1") = "6"
    & skf21("7","7","2","4","1","5","7","1") = "6"
    & skf21("7","7","2","4","1","6","1","1") = "6"
    & skf21("7","7","2","4","1","6","2","1") = "6"
    & skf21("7","7","2","4","1","6","3","1") = "6"
    & skf21("7","7","2","4","1","6","4","1") = "6"
    & skf21("7","7","2","4","1","6","5","1") = "6"
    & skf21("7","7","2","4","1","6","6","1") = "6"
    & skf21("7","7","2","4","1","6","7","1") = "6"
    & skf21("7","7","2","4","1","7","1","1") = "6"
    & skf21("7","7","2","4","1","7","2","1") = "6"
    & skf21("7","7","2","4","1","7","3","1") = "6"
    & skf21("7","7","2","4","1","7","4","1") = "6"
    & skf21("7","7","2","4","1","7","5","1") = "6"
    & skf21("7","7","2","4","1","7","6","1") = "6"
    & skf21("7","7","2","4","1","7","7","1") = "6"
    & skf21("7","7","2","4","2","1","1","1") = "6"
    & skf21("7","7","2","4","2","1","2","1") = "6"
    & skf21("7","7","2","4","2","1","3","1") = "6"
    & skf21("7","7","2","4","2","1","4","1") = "6"
    & skf21("7","7","2","4","2","1","5","1") = "6"
    & skf21("7","7","2","4","2","1","6","1") = "6"
    & skf21("7","7","2","4","2","1","7","1") = "6"
    & skf21("7","7","2","4","2","2","1","1") = "6"
    & skf21("7","7","2","4","2","2","2","1") = "6"
    & skf21("7","7","2","4","2","2","3","1") = "6"
    & skf21("7","7","2","4","2","2","4","1") = "6"
    & skf21("7","7","2","4","2","2","5","1") = "6"
    & skf21("7","7","2","4","2","2","6","1") = "6"
    & skf21("7","7","2","4","2","2","7","1") = "6"
    & skf21("7","7","2","4","2","3","1","1") = "6"
    & skf21("7","7","2","4","2","3","2","1") = "6"
    & skf21("7","7","2","4","2","3","3","1") = "6"
    & skf21("7","7","2","4","2","3","4","1") = "6"
    & skf21("7","7","2","4","2","3","5","1") = "6"
    & skf21("7","7","2","4","2","3","6","1") = "6"
    & skf21("7","7","2","4","2","3","7","1") = "6"
    & skf21("7","7","2","4","2","4","1","1") = "6"
    & skf21("7","7","2","4","2","4","2","1") = "6"
    & skf21("7","7","2","4","2","4","3","1") = "6"
    & skf21("7","7","2","4","2","4","4","1") = "6"
    & skf21("7","7","2","4","2","4","5","1") = "6"
    & skf21("7","7","2","4","2","4","6","1") = "6"
    & skf21("7","7","2","4","2","4","7","1") = "6"
    & skf21("7","7","2","4","2","5","1","1") = "6"
    & skf21("7","7","2","4","2","5","2","1") = "6"
    & skf21("7","7","2","4","2","5","3","1") = "6"
    & skf21("7","7","2","4","2","5","4","1") = "6"
    & skf21("7","7","2","4","2","5","5","1") = "6"
    & skf21("7","7","2","4","2","5","6","1") = "6"
    & skf21("7","7","2","4","2","5","7","1") = "6"
    & skf21("7","7","2","4","2","6","1","1") = "6"
    & skf21("7","7","2","4","2","6","2","1") = "6"
    & skf21("7","7","2","4","2","6","3","1") = "6"
    & skf21("7","7","2","4","2","6","4","1") = "6"
    & skf21("7","7","2","4","2","6","5","1") = "6"
    & skf21("7","7","2","4","2","6","6","1") = "6"
    & skf21("7","7","2","4","2","6","7","1") = "6"
    & skf21("7","7","2","4","2","7","1","1") = "6"
    & skf21("7","7","2","4","2","7","2","1") = "6"
    & skf21("7","7","2","4","2","7","3","1") = "6"
    & skf21("7","7","2","4","2","7","4","1") = "6"
    & skf21("7","7","2","4","2","7","5","1") = "6"
    & skf21("7","7","2","4","2","7","6","1") = "6"
    & skf21("7","7","2","4","2","7","7","1") = "6"
    & skf21("7","7","2","4","3","1","1","1") = "6"
    & skf21("7","7","2","4","3","1","2","1") = "6"
    & skf21("7","7","2","4","3","1","3","1") = "6"
    & skf21("7","7","2","4","3","1","4","1") = "6"
    & skf21("7","7","2","4","3","1","5","1") = "6"
    & skf21("7","7","2","4","3","1","6","1") = "6"
    & skf21("7","7","2","4","3","1","7","1") = "6"
    & skf21("7","7","2","4","3","2","1","1") = "6"
    & skf21("7","7","2","4","3","2","2","1") = "6"
    & skf21("7","7","2","4","3","2","3","1") = "6"
    & skf21("7","7","2","4","3","2","4","1") = "6"
    & skf21("7","7","2","4","3","2","5","1") = "6"
    & skf21("7","7","2","4","3","2","6","1") = "6"
    & skf21("7","7","2","4","3","2","7","1") = "6"
    & skf21("7","7","2","4","3","3","1","1") = "6"
    & skf21("7","7","2","4","3","3","2","1") = "6"
    & skf21("7","7","2","4","3","3","3","1") = "6"
    & skf21("7","7","2","4","3","3","4","1") = "6"
    & skf21("7","7","2","4","3","3","5","1") = "6"
    & skf21("7","7","2","4","3","3","6","1") = "6"
    & skf21("7","7","2","4","3","3","7","1") = "6"
    & skf21("7","7","2","4","3","4","1","1") = "6"
    & skf21("7","7","2","4","3","4","2","1") = "6"
    & skf21("7","7","2","4","3","4","3","1") = "6"
    & skf21("7","7","2","4","3","4","4","1") = "6"
    & skf21("7","7","2","4","3","4","5","1") = "6"
    & skf21("7","7","2","4","3","4","6","1") = "6"
    & skf21("7","7","2","4","3","4","7","1") = "6"
    & skf21("7","7","2","4","3","5","1","1") = "6"
    & skf21("7","7","2","4","3","5","2","1") = "6"
    & skf21("7","7","2","4","3","5","3","1") = "6"
    & skf21("7","7","2","4","3","5","4","1") = "6"
    & skf21("7","7","2","4","3","5","5","1") = "6"
    & skf21("7","7","2","4","3","5","6","1") = "6"
    & skf21("7","7","2","4","3","5","7","1") = "6"
    & skf21("7","7","2","4","3","6","1","1") = "6"
    & skf21("7","7","2","4","3","6","2","1") = "6"
    & skf21("7","7","2","4","3","6","3","1") = "6"
    & skf21("7","7","2","4","3","6","4","1") = "6"
    & skf21("7","7","2","4","3","6","5","1") = "6"
    & skf21("7","7","2","4","3","6","6","1") = "6"
    & skf21("7","7","2","4","3","6","7","1") = "6"
    & skf21("7","7","2","4","3","7","1","1") = "6"
    & skf21("7","7","2","4","3","7","2","1") = "6"
    & skf21("7","7","2","4","3","7","3","1") = "6"
    & skf21("7","7","2","4","3","7","4","1") = "6"
    & skf21("7","7","2","4","3","7","5","1") = "6"
    & skf21("7","7","2","4","3","7","6","1") = "6"
    & skf21("7","7","2","4","3","7","7","1") = "6"
    & skf21("7","7","2","4","4","1","1","1") = "6"
    & skf21("7","7","2","4","4","1","2","1") = "6"
    & skf21("7","7","2","4","4","1","3","1") = "6"
    & skf21("7","7","2","4","4","1","4","1") = "6"
    & skf21("7","7","2","4","4","1","5","1") = "6"
    & skf21("7","7","2","4","4","1","6","1") = "6"
    & skf21("7","7","2","4","4","1","7","1") = "6"
    & skf21("7","7","2","4","4","2","1","1") = "6"
    & skf21("7","7","2","4","4","2","2","1") = "6"
    & skf21("7","7","2","4","4","2","3","1") = "6"
    & skf21("7","7","2","4","4","2","4","1") = "6"
    & skf21("7","7","2","4","4","2","5","1") = "6"
    & skf21("7","7","2","4","4","2","6","1") = "6"
    & skf21("7","7","2","4","4","2","7","1") = "6"
    & skf21("7","7","2","4","4","3","1","1") = "6"
    & skf21("7","7","2","4","4","3","2","1") = "6"
    & skf21("7","7","2","4","4","3","3","1") = "6"
    & skf21("7","7","2","4","4","3","4","1") = "6"
    & skf21("7","7","2","4","4","3","5","1") = "6"
    & skf21("7","7","2","4","4","3","6","1") = "6"
    & skf21("7","7","2","4","4","3","7","1") = "6"
    & skf21("7","7","2","4","4","4","1","1") = "6"
    & skf21("7","7","2","4","4","4","2","1") = "6"
    & skf21("7","7","2","4","4","4","3","1") = "6"
    & skf21("7","7","2","4","4","4","4","1") = "6"
    & skf21("7","7","2","4","4","4","5","1") = "6"
    & skf21("7","7","2","4","4","4","6","1") = "6"
    & skf21("7","7","2","4","4","4","7","1") = "6"
    & skf21("7","7","2","4","4","5","1","1") = "6"
    & skf21("7","7","2","4","4","5","2","1") = "6"
    & skf21("7","7","2","4","4","5","3","1") = "6"
    & skf21("7","7","2","4","4","5","4","1") = "6"
    & skf21("7","7","2","4","4","5","5","1") = "6"
    & skf21("7","7","2","4","4","5","6","1") = "6"
    & skf21("7","7","2","4","4","5","7","1") = "6"
    & skf21("7","7","2","4","4","6","1","1") = "6"
    & skf21("7","7","2","4","4","6","2","1") = "6"
    & skf21("7","7","2","4","4","6","3","1") = "6"
    & skf21("7","7","2","4","4","6","4","1") = "6"
    & skf21("7","7","2","4","4","6","5","1") = "6"
    & skf21("7","7","2","4","4","6","6","1") = "6"
    & skf21("7","7","2","4","4","6","7","1") = "6"
    & skf21("7","7","2","4","4","7","1","1") = "6"
    & skf21("7","7","2","4","4","7","2","1") = "6"
    & skf21("7","7","2","4","4","7","3","1") = "6"
    & skf21("7","7","2","4","4","7","4","1") = "6"
    & skf21("7","7","2","4","4","7","5","1") = "6"
    & skf21("7","7","2","4","4","7","6","1") = "6"
    & skf21("7","7","2","4","4","7","7","1") = "6"
    & skf21("7","7","2","4","5","1","1","1") = "6"
    & skf21("7","7","2","4","5","1","2","1") = "6"
    & skf21("7","7","2","4","5","1","3","1") = "6"
    & skf21("7","7","2","4","5","1","4","1") = "6"
    & skf21("7","7","2","4","5","1","5","1") = "6"
    & skf21("7","7","2","4","5","1","6","1") = "6"
    & skf21("7","7","2","4","5","1","7","1") = "6"
    & skf21("7","7","2","4","5","2","1","1") = "6"
    & skf21("7","7","2","4","5","2","2","1") = "6"
    & skf21("7","7","2","4","5","2","3","1") = "6"
    & skf21("7","7","2","4","5","2","4","1") = "6"
    & skf21("7","7","2","4","5","2","5","1") = "6"
    & skf21("7","7","2","4","5","2","6","1") = "6"
    & skf21("7","7","2","4","5","2","7","1") = "6"
    & skf21("7","7","2","4","5","3","1","1") = "6"
    & skf21("7","7","2","4","5","3","2","1") = "6"
    & skf21("7","7","2","4","5","3","3","1") = "6"
    & skf21("7","7","2","4","5","3","4","1") = "6"
    & skf21("7","7","2","4","5","3","5","1") = "6"
    & skf21("7","7","2","4","5","3","6","1") = "6"
    & skf21("7","7","2","4","5","3","7","1") = "6"
    & skf21("7","7","2","4","5","4","1","1") = "6"
    & skf21("7","7","2","4","5","4","2","1") = "6"
    & skf21("7","7","2","4","5","4","3","1") = "6"
    & skf21("7","7","2","4","5","4","4","1") = "6"
    & skf21("7","7","2","4","5","4","5","1") = "6"
    & skf21("7","7","2","4","5","4","6","1") = "6"
    & skf21("7","7","2","4","5","4","7","1") = "6"
    & skf21("7","7","2","4","5","5","1","1") = "6"
    & skf21("7","7","2","4","5","5","2","1") = "6"
    & skf21("7","7","2","4","5","5","3","1") = "6"
    & skf21("7","7","2","4","5","5","4","1") = "6"
    & skf21("7","7","2","4","5","5","5","1") = "6"
    & skf21("7","7","2","4","5","5","6","1") = "6"
    & skf21("7","7","2","4","5","5","7","1") = "6"
    & skf21("7","7","2","4","5","6","1","1") = "6"
    & skf21("7","7","2","4","5","6","2","1") = "6"
    & skf21("7","7","2","4","5","6","3","1") = "6"
    & skf21("7","7","2","4","5","6","4","1") = "6"
    & skf21("7","7","2","4","5","6","5","1") = "6"
    & skf21("7","7","2","4","5","6","6","1") = "6"
    & skf21("7","7","2","4","5","6","7","1") = "6"
    & skf21("7","7","2","4","5","7","1","1") = "6"
    & skf21("7","7","2","4","5","7","2","1") = "6"
    & skf21("7","7","2","4","5","7","3","1") = "6"
    & skf21("7","7","2","4","5","7","4","1") = "6"
    & skf21("7","7","2","4","5","7","5","1") = "6"
    & skf21("7","7","2","4","5","7","6","1") = "6"
    & skf21("7","7","2","4","5","7","7","1") = "6"
    & skf21("7","7","2","4","6","1","1","1") = "6"
    & skf21("7","7","2","4","6","1","2","1") = "6"
    & skf21("7","7","2","4","6","1","3","1") = "6"
    & skf21("7","7","2","4","6","1","4","1") = "6"
    & skf21("7","7","2","4","6","1","5","1") = "6"
    & skf21("7","7","2","4","6","1","6","1") = "6"
    & skf21("7","7","2","4","6","1","7","1") = "6"
    & skf21("7","7","2","4","6","2","1","1") = "6"
    & skf21("7","7","2","4","6","2","2","1") = "6"
    & skf21("7","7","2","4","6","2","3","1") = "6"
    & skf21("7","7","2","4","6","2","4","1") = "6"
    & skf21("7","7","2","4","6","2","5","1") = "6"
    & skf21("7","7","2","4","6","2","6","1") = "6"
    & skf21("7","7","2","4","6","2","7","1") = "6"
    & skf21("7","7","2","4","6","3","1","1") = "6"
    & skf21("7","7","2","4","6","3","2","1") = "6"
    & skf21("7","7","2","4","6","3","3","1") = "6"
    & skf21("7","7","2","4","6","3","4","1") = "6"
    & skf21("7","7","2","4","6","3","5","1") = "6"
    & skf21("7","7","2","4","6","3","6","1") = "6"
    & skf21("7","7","2","4","6","3","7","1") = "6"
    & skf21("7","7","2","4","6","4","1","1") = "6"
    & skf21("7","7","2","4","6","4","2","1") = "6"
    & skf21("7","7","2","4","6","4","3","1") = "6"
    & skf21("7","7","2","4","6","4","4","1") = "6"
    & skf21("7","7","2","4","6","4","5","1") = "6"
    & skf21("7","7","2","4","6","4","6","1") = "6"
    & skf21("7","7","2","4","6","4","7","1") = "6"
    & skf21("7","7","2","4","6","5","1","1") = "6"
    & skf21("7","7","2","4","6","5","2","1") = "6"
    & skf21("7","7","2","4","6","5","3","1") = "6"
    & skf21("7","7","2","4","6","5","4","1") = "6"
    & skf21("7","7","2","4","6","5","5","1") = "6"
    & skf21("7","7","2","4","6","5","6","1") = "6"
    & skf21("7","7","2","4","6","5","7","1") = "6"
    & skf21("7","7","2","4","6","6","1","1") = "6"
    & skf21("7","7","2","4","6","6","2","1") = "6"
    & skf21("7","7","2","4","6","6","3","1") = "6"
    & skf21("7","7","2","4","6","6","4","1") = "6"
    & skf21("7","7","2","4","6","6","5","1") = "6"
    & skf21("7","7","2","4","6","6","6","1") = "6"
    & skf21("7","7","2","4","6","6","7","1") = "6"
    & skf21("7","7","2","4","6","7","1","1") = "6"
    & skf21("7","7","2","4","6","7","2","1") = "6"
    & skf21("7","7","2","4","6","7","3","1") = "6"
    & skf21("7","7","2","4","6","7","4","1") = "6"
    & skf21("7","7","2","4","6","7","5","1") = "6"
    & skf21("7","7","2","4","6","7","6","1") = "6"
    & skf21("7","7","2","4","6","7","7","1") = "6"
    & skf21("7","7","2","4","7","1","1","1") = "6"
    & skf21("7","7","2","4","7","1","2","1") = "6"
    & skf21("7","7","2","4","7","1","3","1") = "6"
    & skf21("7","7","2","4","7","1","4","1") = "6"
    & skf21("7","7","2","4","7","1","5","1") = "6"
    & skf21("7","7","2","4","7","1","6","1") = "6"
    & skf21("7","7","2","4","7","1","7","1") = "6"
    & skf21("7","7","2","4","7","2","1","1") = "6"
    & skf21("7","7","2","4","7","2","2","1") = "6"
    & skf21("7","7","2","4","7","2","3","1") = "6"
    & skf21("7","7","2","4","7","2","4","1") = "6"
    & skf21("7","7","2","4","7","2","5","1") = "6"
    & skf21("7","7","2","4","7","2","6","1") = "6"
    & skf21("7","7","2","4","7","2","7","1") = "6"
    & skf21("7","7","2","4","7","3","1","1") = "6"
    & skf21("7","7","2","4","7","3","2","1") = "6"
    & skf21("7","7","2","4","7","3","3","1") = "6"
    & skf21("7","7","2","4","7","3","4","1") = "6"
    & skf21("7","7","2","4","7","3","5","1") = "6"
    & skf21("7","7","2","4","7","3","6","1") = "6"
    & skf21("7","7","2","4","7","3","7","1") = "6"
    & skf21("7","7","2","4","7","4","1","1") = "6"
    & skf21("7","7","2","4","7","4","2","1") = "6"
    & skf21("7","7","2","4","7","4","3","1") = "6"
    & skf21("7","7","2","4","7","4","4","1") = "6"
    & skf21("7","7","2","4","7","4","5","1") = "6"
    & skf21("7","7","2","4","7","4","6","1") = "6"
    & skf21("7","7","2","4","7","4","7","1") = "6"
    & skf21("7","7","2","4","7","5","1","1") = "6"
    & skf21("7","7","2","4","7","5","2","1") = "6"
    & skf21("7","7","2","4","7","5","3","1") = "6"
    & skf21("7","7","2","4","7","5","4","1") = "6"
    & skf21("7","7","2","4","7","5","5","1") = "6"
    & skf21("7","7","2","4","7","5","6","1") = "6"
    & skf21("7","7","2","4","7","5","7","1") = "6"
    & skf21("7","7","2","4","7","6","1","1") = "6"
    & skf21("7","7","2","4","7","6","2","1") = "6"
    & skf21("7","7","2","4","7","6","3","1") = "6"
    & skf21("7","7","2","4","7","6","4","1") = "6"
    & skf21("7","7","2","4","7","6","5","1") = "6"
    & skf21("7","7","2","4","7","6","6","1") = "6"
    & skf21("7","7","2","4","7","6","7","1") = "6"
    & skf21("7","7","2","4","7","7","1","1") = "6"
    & skf21("7","7","2","4","7","7","2","1") = "6"
    & skf21("7","7","2","4","7","7","3","1") = "6"
    & skf21("7","7","2","4","7","7","4","1") = "6"
    & skf21("7","7","2","4","7","7","5","1") = "6"
    & skf21("7","7","2","4","7","7","6","1") = "6"
    & skf21("7","7","2","4","7","7","7","1") = "6"
    & skf21("7","7","2","5","1","1","1","1") = "6"
    & skf21("7","7","2","5","1","1","2","1") = "6"
    & skf21("7","7","2","5","1","1","3","1") = "6"
    & skf21("7","7","2","5","1","1","4","1") = "6"
    & skf21("7","7","2","5","1","1","5","1") = "6"
    & skf21("7","7","2","5","1","1","6","1") = "6"
    & skf21("7","7","2","5","1","1","7","1") = "6"
    & skf21("7","7","2","5","1","2","1","1") = "6"
    & skf21("7","7","2","5","1","2","2","1") = "6"
    & skf21("7","7","2","5","1","2","3","1") = "6"
    & skf21("7","7","2","5","1","2","4","1") = "6"
    & skf21("7","7","2","5","1","2","5","1") = "6"
    & skf21("7","7","2","5","1","2","6","1") = "6"
    & skf21("7","7","2","5","1","2","7","1") = "6"
    & skf21("7","7","2","5","1","3","1","1") = "6"
    & skf21("7","7","2","5","1","3","2","1") = "6"
    & skf21("7","7","2","5","1","3","3","1") = "6"
    & skf21("7","7","2","5","1","3","4","1") = "6"
    & skf21("7","7","2","5","1","3","5","1") = "6"
    & skf21("7","7","2","5","1","3","6","1") = "6"
    & skf21("7","7","2","5","1","3","7","1") = "6"
    & skf21("7","7","2","5","1","4","1","1") = "6"
    & skf21("7","7","2","5","1","4","2","1") = "6"
    & skf21("7","7","2","5","1","4","3","1") = "6"
    & skf21("7","7","2","5","1","4","4","1") = "6"
    & skf21("7","7","2","5","1","4","5","1") = "6"
    & skf21("7","7","2","5","1","4","6","1") = "6"
    & skf21("7","7","2","5","1","4","7","1") = "6"
    & skf21("7","7","2","5","1","5","1","1") = "6"
    & skf21("7","7","2","5","1","5","2","1") = "6"
    & skf21("7","7","2","5","1","5","3","1") = "6"
    & skf21("7","7","2","5","1","5","4","1") = "6"
    & skf21("7","7","2","5","1","5","5","1") = "6"
    & skf21("7","7","2","5","1","5","6","1") = "6"
    & skf21("7","7","2","5","1","5","7","1") = "6"
    & skf21("7","7","2","5","1","6","1","1") = "6"
    & skf21("7","7","2","5","1","6","2","1") = "6"
    & skf21("7","7","2","5","1","6","3","1") = "6"
    & skf21("7","7","2","5","1","6","4","1") = "6"
    & skf21("7","7","2","5","1","6","5","1") = "6"
    & skf21("7","7","2","5","1","6","6","1") = "6"
    & skf21("7","7","2","5","1","6","7","1") = "6"
    & skf21("7","7","2","5","1","7","1","1") = "6"
    & skf21("7","7","2","5","1","7","2","1") = "6"
    & skf21("7","7","2","5","1","7","3","1") = "6"
    & skf21("7","7","2","5","1","7","4","1") = "6"
    & skf21("7","7","2","5","1","7","5","1") = "6"
    & skf21("7","7","2","5","1","7","6","1") = "6"
    & skf21("7","7","2","5","1","7","7","1") = "6"
    & skf21("7","7","2","5","2","1","1","1") = "6"
    & skf21("7","7","2","5","2","1","2","1") = "6"
    & skf21("7","7","2","5","2","1","3","1") = "6"
    & skf21("7","7","2","5","2","1","4","1") = "6"
    & skf21("7","7","2","5","2","1","5","1") = "6"
    & skf21("7","7","2","5","2","1","6","1") = "6"
    & skf21("7","7","2","5","2","1","7","1") = "6"
    & skf21("7","7","2","5","2","2","1","1") = "6"
    & skf21("7","7","2","5","2","2","2","1") = "6"
    & skf21("7","7","2","5","2","2","3","1") = "6"
    & skf21("7","7","2","5","2","2","4","1") = "6"
    & skf21("7","7","2","5","2","2","5","1") = "6"
    & skf21("7","7","2","5","2","2","6","1") = "6"
    & skf21("7","7","2","5","2","2","7","1") = "6"
    & skf21("7","7","2","5","2","3","1","1") = "6"
    & skf21("7","7","2","5","2","3","2","1") = "6"
    & skf21("7","7","2","5","2","3","3","1") = "6"
    & skf21("7","7","2","5","2","3","4","1") = "6"
    & skf21("7","7","2","5","2","3","5","1") = "6"
    & skf21("7","7","2","5","2","3","6","1") = "6"
    & skf21("7","7","2","5","2","3","7","1") = "6"
    & skf21("7","7","2","5","2","4","1","1") = "6"
    & skf21("7","7","2","5","2","4","2","1") = "6"
    & skf21("7","7","2","5","2","4","3","1") = "6"
    & skf21("7","7","2","5","2","4","4","1") = "6"
    & skf21("7","7","2","5","2","4","5","1") = "6"
    & skf21("7","7","2","5","2","4","6","1") = "6"
    & skf21("7","7","2","5","2","4","7","1") = "6"
    & skf21("7","7","2","5","2","5","1","1") = "6"
    & skf21("7","7","2","5","2","5","2","1") = "6"
    & skf21("7","7","2","5","2","5","3","1") = "6"
    & skf21("7","7","2","5","2","5","4","1") = "6"
    & skf21("7","7","2","5","2","5","5","1") = "6"
    & skf21("7","7","2","5","2","5","6","1") = "6"
    & skf21("7","7","2","5","2","5","7","1") = "6"
    & skf21("7","7","2","5","2","6","1","1") = "6"
    & skf21("7","7","2","5","2","6","2","1") = "6"
    & skf21("7","7","2","5","2","6","3","1") = "6"
    & skf21("7","7","2","5","2","6","4","1") = "6"
    & skf21("7","7","2","5","2","6","5","1") = "6"
    & skf21("7","7","2","5","2","6","6","1") = "6"
    & skf21("7","7","2","5","2","6","7","1") = "6"
    & skf21("7","7","2","5","2","7","1","1") = "6"
    & skf21("7","7","2","5","2","7","2","1") = "6"
    & skf21("7","7","2","5","2","7","3","1") = "6"
    & skf21("7","7","2","5","2","7","4","1") = "6"
    & skf21("7","7","2","5","2","7","5","1") = "6"
    & skf21("7","7","2","5","2","7","6","1") = "6"
    & skf21("7","7","2","5","2","7","7","1") = "6"
    & skf21("7","7","2","5","3","1","1","1") = "6"
    & skf21("7","7","2","5","3","1","2","1") = "6"
    & skf21("7","7","2","5","3","1","3","1") = "6"
    & skf21("7","7","2","5","3","1","4","1") = "6"
    & skf21("7","7","2","5","3","1","5","1") = "6"
    & skf21("7","7","2","5","3","1","6","1") = "6"
    & skf21("7","7","2","5","3","1","7","1") = "6"
    & skf21("7","7","2","5","3","2","1","1") = "6"
    & skf21("7","7","2","5","3","2","2","1") = "6"
    & skf21("7","7","2","5","3","2","3","1") = "6"
    & skf21("7","7","2","5","3","2","4","1") = "6"
    & skf21("7","7","2","5","3","2","5","1") = "6"
    & skf21("7","7","2","5","3","2","6","1") = "6"
    & skf21("7","7","2","5","3","2","7","1") = "6"
    & skf21("7","7","2","5","3","3","1","1") = "6"
    & skf21("7","7","2","5","3","3","2","1") = "6"
    & skf21("7","7","2","5","3","3","3","1") = "6"
    & skf21("7","7","2","5","3","3","4","1") = "6"
    & skf21("7","7","2","5","3","3","5","1") = "6"
    & skf21("7","7","2","5","3","3","6","1") = "6"
    & skf21("7","7","2","5","3","3","7","1") = "6"
    & skf21("7","7","2","5","3","4","1","1") = "6"
    & skf21("7","7","2","5","3","4","2","1") = "6"
    & skf21("7","7","2","5","3","4","3","1") = "6"
    & skf21("7","7","2","5","3","4","4","1") = "6"
    & skf21("7","7","2","5","3","4","5","1") = "6"
    & skf21("7","7","2","5","3","4","6","1") = "6"
    & skf21("7","7","2","5","3","4","7","1") = "6"
    & skf21("7","7","2","5","3","5","1","1") = "6"
    & skf21("7","7","2","5","3","5","2","1") = "6"
    & skf21("7","7","2","5","3","5","3","1") = "6"
    & skf21("7","7","2","5","3","5","4","1") = "6"
    & skf21("7","7","2","5","3","5","5","1") = "6"
    & skf21("7","7","2","5","3","5","6","1") = "6"
    & skf21("7","7","2","5","3","5","7","1") = "6"
    & skf21("7","7","2","5","3","6","1","1") = "6"
    & skf21("7","7","2","5","3","6","2","1") = "6"
    & skf21("7","7","2","5","3","6","3","1") = "6"
    & skf21("7","7","2","5","3","6","4","1") = "6"
    & skf21("7","7","2","5","3","6","5","1") = "6"
    & skf21("7","7","2","5","3","6","6","1") = "6"
    & skf21("7","7","2","5","3","6","7","1") = "6"
    & skf21("7","7","2","5","3","7","1","1") = "6"
    & skf21("7","7","2","5","3","7","2","1") = "6"
    & skf21("7","7","2","5","3","7","3","1") = "6"
    & skf21("7","7","2","5","3","7","4","1") = "6"
    & skf21("7","7","2","5","3","7","5","1") = "6"
    & skf21("7","7","2","5","3","7","6","1") = "6"
    & skf21("7","7","2","5","3","7","7","1") = "6"
    & skf21("7","7","2","5","4","1","1","1") = "6"
    & skf21("7","7","2","5","4","1","2","1") = "6"
    & skf21("7","7","2","5","4","1","3","1") = "6"
    & skf21("7","7","2","5","4","1","4","1") = "6"
    & skf21("7","7","2","5","4","1","5","1") = "6"
    & skf21("7","7","2","5","4","1","6","1") = "6"
    & skf21("7","7","2","5","4","1","7","1") = "6"
    & skf21("7","7","2","5","4","2","1","1") = "6"
    & skf21("7","7","2","5","4","2","2","1") = "6"
    & skf21("7","7","2","5","4","2","3","1") = "6"
    & skf21("7","7","2","5","4","2","4","1") = "6"
    & skf21("7","7","2","5","4","2","5","1") = "6"
    & skf21("7","7","2","5","4","2","6","1") = "6"
    & skf21("7","7","2","5","4","2","7","1") = "6"
    & skf21("7","7","2","5","4","3","1","1") = "6"
    & skf21("7","7","2","5","4","3","2","1") = "6"
    & skf21("7","7","2","5","4","3","3","1") = "6"
    & skf21("7","7","2","5","4","3","4","1") = "6"
    & skf21("7","7","2","5","4","3","5","1") = "6"
    & skf21("7","7","2","5","4","3","6","1") = "6"
    & skf21("7","7","2","5","4","3","7","1") = "6"
    & skf21("7","7","2","5","4","4","1","1") = "6"
    & skf21("7","7","2","5","4","4","2","1") = "6"
    & skf21("7","7","2","5","4","4","3","1") = "6"
    & skf21("7","7","2","5","4","4","4","1") = "6"
    & skf21("7","7","2","5","4","4","5","1") = "6"
    & skf21("7","7","2","5","4","4","6","1") = "6"
    & skf21("7","7","2","5","4","4","7","1") = "6"
    & skf21("7","7","2","5","4","5","1","1") = "6"
    & skf21("7","7","2","5","4","5","2","1") = "6"
    & skf21("7","7","2","5","4","5","3","1") = "6"
    & skf21("7","7","2","5","4","5","4","1") = "6"
    & skf21("7","7","2","5","4","5","5","1") = "6"
    & skf21("7","7","2","5","4","5","6","1") = "6"
    & skf21("7","7","2","5","4","5","7","1") = "6"
    & skf21("7","7","2","5","4","6","1","1") = "6"
    & skf21("7","7","2","5","4","6","2","1") = "6"
    & skf21("7","7","2","5","4","6","3","1") = "6"
    & skf21("7","7","2","5","4","6","4","1") = "6"
    & skf21("7","7","2","5","4","6","5","1") = "6"
    & skf21("7","7","2","5","4","6","6","1") = "6"
    & skf21("7","7","2","5","4","6","7","1") = "6"
    & skf21("7","7","2","5","4","7","1","1") = "6"
    & skf21("7","7","2","5","4","7","2","1") = "6"
    & skf21("7","7","2","5","4","7","3","1") = "6"
    & skf21("7","7","2","5","4","7","4","1") = "6"
    & skf21("7","7","2","5","4","7","5","1") = "6"
    & skf21("7","7","2","5","4","7","6","1") = "6"
    & skf21("7","7","2","5","4","7","7","1") = "6"
    & skf21("7","7","2","5","5","1","1","1") = "6"
    & skf21("7","7","2","5","5","1","2","1") = "6"
    & skf21("7","7","2","5","5","1","3","1") = "6"
    & skf21("7","7","2","5","5","1","4","1") = "6"
    & skf21("7","7","2","5","5","1","5","1") = "6"
    & skf21("7","7","2","5","5","1","6","1") = "6"
    & skf21("7","7","2","5","5","1","7","1") = "6"
    & skf21("7","7","2","5","5","2","1","1") = "6"
    & skf21("7","7","2","5","5","2","2","1") = "6"
    & skf21("7","7","2","5","5","2","3","1") = "6"
    & skf21("7","7","2","5","5","2","4","1") = "6"
    & skf21("7","7","2","5","5","2","5","1") = "6"
    & skf21("7","7","2","5","5","2","6","1") = "6"
    & skf21("7","7","2","5","5","2","7","1") = "6"
    & skf21("7","7","2","5","5","3","1","1") = "6"
    & skf21("7","7","2","5","5","3","2","1") = "6"
    & skf21("7","7","2","5","5","3","3","1") = "6"
    & skf21("7","7","2","5","5","3","4","1") = "6"
    & skf21("7","7","2","5","5","3","5","1") = "6"
    & skf21("7","7","2","5","5","3","6","1") = "6"
    & skf21("7","7","2","5","5","3","7","1") = "6"
    & skf21("7","7","2","5","5","4","1","1") = "6"
    & skf21("7","7","2","5","5","4","2","1") = "6"
    & skf21("7","7","2","5","5","4","3","1") = "6"
    & skf21("7","7","2","5","5","4","4","1") = "6"
    & skf21("7","7","2","5","5","4","5","1") = "6"
    & skf21("7","7","2","5","5","4","6","1") = "6"
    & skf21("7","7","2","5","5","4","7","1") = "6"
    & skf21("7","7","2","5","5","5","1","1") = "6"
    & skf21("7","7","2","5","5","5","2","1") = "6"
    & skf21("7","7","2","5","5","5","3","1") = "6"
    & skf21("7","7","2","5","5","5","4","1") = "6"
    & skf21("7","7","2","5","5","5","5","1") = "6"
    & skf21("7","7","2","5","5","5","6","1") = "6"
    & skf21("7","7","2","5","5","5","7","1") = "6"
    & skf21("7","7","2","5","5","6","1","1") = "6"
    & skf21("7","7","2","5","5","6","2","1") = "6"
    & skf21("7","7","2","5","5","6","3","1") = "6"
    & skf21("7","7","2","5","5","6","4","1") = "6"
    & skf21("7","7","2","5","5","6","5","1") = "6"
    & skf21("7","7","2","5","5","6","6","1") = "6"
    & skf21("7","7","2","5","5","6","7","1") = "6"
    & skf21("7","7","2","5","5","7","1","1") = "6"
    & skf21("7","7","2","5","5","7","2","1") = "6"
    & skf21("7","7","2","5","5","7","3","1") = "6"
    & skf21("7","7","2","5","5","7","4","1") = "6"
    & skf21("7","7","2","5","5","7","5","1") = "6"
    & skf21("7","7","2","5","5","7","6","1") = "6"
    & skf21("7","7","2","5","5","7","7","1") = "6"
    & skf21("7","7","2","5","6","1","1","1") = "6"
    & skf21("7","7","2","5","6","1","2","1") = "6"
    & skf21("7","7","2","5","6","1","3","1") = "6"
    & skf21("7","7","2","5","6","1","4","1") = "6"
    & skf21("7","7","2","5","6","1","5","1") = "6"
    & skf21("7","7","2","5","6","1","6","1") = "6"
    & skf21("7","7","2","5","6","1","7","1") = "6"
    & skf21("7","7","2","5","6","2","1","1") = "6"
    & skf21("7","7","2","5","6","2","2","1") = "6"
    & skf21("7","7","2","5","6","2","3","1") = "6"
    & skf21("7","7","2","5","6","2","4","1") = "6"
    & skf21("7","7","2","5","6","2","5","1") = "6"
    & skf21("7","7","2","5","6","2","6","1") = "6"
    & skf21("7","7","2","5","6","2","7","1") = "6"
    & skf21("7","7","2","5","6","3","1","1") = "6"
    & skf21("7","7","2","5","6","3","2","1") = "6"
    & skf21("7","7","2","5","6","3","3","1") = "6"
    & skf21("7","7","2","5","6","3","4","1") = "6"
    & skf21("7","7","2","5","6","3","5","1") = "6"
    & skf21("7","7","2","5","6","3","6","1") = "6"
    & skf21("7","7","2","5","6","3","7","1") = "6"
    & skf21("7","7","2","5","6","4","1","1") = "6"
    & skf21("7","7","2","5","6","4","2","1") = "6"
    & skf21("7","7","2","5","6","4","3","1") = "6"
    & skf21("7","7","2","5","6","4","4","1") = "6"
    & skf21("7","7","2","5","6","4","5","1") = "6"
    & skf21("7","7","2","5","6","4","6","1") = "6"
    & skf21("7","7","2","5","6","4","7","1") = "6"
    & skf21("7","7","2","5","6","5","1","1") = "6"
    & skf21("7","7","2","5","6","5","2","1") = "6"
    & skf21("7","7","2","5","6","5","3","1") = "6"
    & skf21("7","7","2","5","6","5","4","1") = "6"
    & skf21("7","7","2","5","6","5","5","1") = "6"
    & skf21("7","7","2","5","6","5","6","1") = "6"
    & skf21("7","7","2","5","6","5","7","1") = "6"
    & skf21("7","7","2","5","6","6","1","1") = "6"
    & skf21("7","7","2","5","6","6","2","1") = "6"
    & skf21("7","7","2","5","6","6","3","1") = "6"
    & skf21("7","7","2","5","6","6","4","1") = "6"
    & skf21("7","7","2","5","6","6","5","1") = "6"
    & skf21("7","7","2","5","6","6","6","1") = "6"
    & skf21("7","7","2","5","6","6","7","1") = "6"
    & skf21("7","7","2","5","6","7","1","1") = "6"
    & skf21("7","7","2","5","6","7","2","1") = "6"
    & skf21("7","7","2","5","6","7","3","1") = "6"
    & skf21("7","7","2","5","6","7","4","1") = "6"
    & skf21("7","7","2","5","6","7","5","1") = "6"
    & skf21("7","7","2","5","6","7","6","1") = "6"
    & skf21("7","7","2","5","6","7","7","1") = "6"
    & skf21("7","7","2","5","7","1","1","1") = "6"
    & skf21("7","7","2","5","7","1","2","1") = "6"
    & skf21("7","7","2","5","7","1","3","1") = "6"
    & skf21("7","7","2","5","7","1","4","1") = "6"
    & skf21("7","7","2","5","7","1","5","1") = "6"
    & skf21("7","7","2","5","7","1","6","1") = "6"
    & skf21("7","7","2","5","7","1","7","1") = "6"
    & skf21("7","7","2","5","7","2","1","1") = "6"
    & skf21("7","7","2","5","7","2","2","1") = "6"
    & skf21("7","7","2","5","7","2","3","1") = "6"
    & skf21("7","7","2","5","7","2","4","1") = "6"
    & skf21("7","7","2","5","7","2","5","1") = "6"
    & skf21("7","7","2","5","7","2","6","1") = "6"
    & skf21("7","7","2","5","7","2","7","1") = "6"
    & skf21("7","7","2","5","7","3","1","1") = "6"
    & skf21("7","7","2","5","7","3","2","1") = "6"
    & skf21("7","7","2","5","7","3","3","1") = "6"
    & skf21("7","7","2","5","7","3","4","1") = "6"
    & skf21("7","7","2","5","7","3","5","1") = "6"
    & skf21("7","7","2","5","7","3","6","1") = "6"
    & skf21("7","7","2","5","7","3","7","1") = "6"
    & skf21("7","7","2","5","7","4","1","1") = "6"
    & skf21("7","7","2","5","7","4","2","1") = "6"
    & skf21("7","7","2","5","7","4","3","1") = "6"
    & skf21("7","7","2","5","7","4","4","1") = "6"
    & skf21("7","7","2","5","7","4","5","1") = "6"
    & skf21("7","7","2","5","7","4","6","1") = "6"
    & skf21("7","7","2","5","7","4","7","1") = "6"
    & skf21("7","7","2","5","7","5","1","1") = "6"
    & skf21("7","7","2","5","7","5","2","1") = "6"
    & skf21("7","7","2","5","7","5","3","1") = "6"
    & skf21("7","7","2","5","7","5","4","1") = "6"
    & skf21("7","7","2","5","7","5","5","1") = "6"
    & skf21("7","7","2","5","7","5","6","1") = "6"
    & skf21("7","7","2","5","7","5","7","1") = "6"
    & skf21("7","7","2","5","7","6","1","1") = "6"
    & skf21("7","7","2","5","7","6","2","1") = "6"
    & skf21("7","7","2","5","7","6","3","1") = "6"
    & skf21("7","7","2","5","7","6","4","1") = "6"
    & skf21("7","7","2","5","7","6","5","1") = "6"
    & skf21("7","7","2","5","7","6","6","1") = "6"
    & skf21("7","7","2","5","7","6","7","1") = "6"
    & skf21("7","7","2","5","7","7","1","1") = "6"
    & skf21("7","7","2","5","7","7","2","1") = "6"
    & skf21("7","7","2","5","7","7","3","1") = "6"
    & skf21("7","7","2","5","7","7","4","1") = "6"
    & skf21("7","7","2","5","7","7","5","1") = "6"
    & skf21("7","7","2","5","7","7","6","1") = "6"
    & skf21("7","7","2","5","7","7","7","1") = "6"
    & skf21("7","7","2","6","1","1","1","1") = "6"
    & skf21("7","7","2","6","1","1","2","1") = "6"
    & skf21("7","7","2","6","1","1","3","1") = "6"
    & skf21("7","7","2","6","1","1","4","1") = "6"
    & skf21("7","7","2","6","1","1","5","1") = "6"
    & skf21("7","7","2","6","1","1","6","1") = "6"
    & skf21("7","7","2","6","1","1","7","1") = "6"
    & skf21("7","7","2","6","1","2","1","1") = "6"
    & skf21("7","7","2","6","1","2","2","1") = "6"
    & skf21("7","7","2","6","1","2","3","1") = "6"
    & skf21("7","7","2","6","1","2","4","1") = "6"
    & skf21("7","7","2","6","1","2","5","1") = "6"
    & skf21("7","7","2","6","1","2","6","1") = "6"
    & skf21("7","7","2","6","1","2","7","1") = "6"
    & skf21("7","7","2","6","1","3","1","1") = "6"
    & skf21("7","7","2","6","1","3","2","1") = "6"
    & skf21("7","7","2","6","1","3","3","1") = "6"
    & skf21("7","7","2","6","1","3","4","1") = "6"
    & skf21("7","7","2","6","1","3","5","1") = "6"
    & skf21("7","7","2","6","1","3","6","1") = "6"
    & skf21("7","7","2","6","1","3","7","1") = "6"
    & skf21("7","7","2","6","1","4","1","1") = "6"
    & skf21("7","7","2","6","1","4","2","1") = "6"
    & skf21("7","7","2","6","1","4","3","1") = "6"
    & skf21("7","7","2","6","1","4","4","1") = "6"
    & skf21("7","7","2","6","1","4","5","1") = "6"
    & skf21("7","7","2","6","1","4","6","1") = "6"
    & skf21("7","7","2","6","1","4","7","1") = "6"
    & skf21("7","7","2","6","1","5","1","1") = "6"
    & skf21("7","7","2","6","1","5","2","1") = "6"
    & skf21("7","7","2","6","1","5","3","1") = "6"
    & skf21("7","7","2","6","1","5","4","1") = "6"
    & skf21("7","7","2","6","1","5","5","1") = "6"
    & skf21("7","7","2","6","1","5","6","1") = "6"
    & skf21("7","7","2","6","1","5","7","1") = "6"
    & skf21("7","7","2","6","1","6","1","1") = "6"
    & skf21("7","7","2","6","1","6","2","1") = "6"
    & skf21("7","7","2","6","1","6","3","1") = "6"
    & skf21("7","7","2","6","1","6","4","1") = "6"
    & skf21("7","7","2","6","1","6","5","1") = "6"
    & skf21("7","7","2","6","1","6","6","1") = "6"
    & skf21("7","7","2","6","1","6","7","1") = "6"
    & skf21("7","7","2","6","1","7","1","1") = "6"
    & skf21("7","7","2","6","1","7","2","1") = "6"
    & skf21("7","7","2","6","1","7","3","1") = "6"
    & skf21("7","7","2","6","1","7","4","1") = "6"
    & skf21("7","7","2","6","1","7","5","1") = "6"
    & skf21("7","7","2","6","1","7","6","1") = "6"
    & skf21("7","7","2","6","1","7","7","1") = "6"
    & skf21("7","7","2","6","2","1","1","1") = "6"
    & skf21("7","7","2","6","2","1","2","1") = "6"
    & skf21("7","7","2","6","2","1","3","1") = "6"
    & skf21("7","7","2","6","2","1","4","1") = "6"
    & skf21("7","7","2","6","2","1","5","1") = "6"
    & skf21("7","7","2","6","2","1","6","1") = "6"
    & skf21("7","7","2","6","2","1","7","1") = "6"
    & skf21("7","7","2","6","2","2","1","1") = "6"
    & skf21("7","7","2","6","2","2","2","1") = "6"
    & skf21("7","7","2","6","2","2","3","1") = "6"
    & skf21("7","7","2","6","2","2","4","1") = "6"
    & skf21("7","7","2","6","2","2","5","1") = "6"
    & skf21("7","7","2","6","2","2","6","1") = "6"
    & skf21("7","7","2","6","2","2","7","1") = "6"
    & skf21("7","7","2","6","2","3","1","1") = "6"
    & skf21("7","7","2","6","2","3","2","1") = "6"
    & skf21("7","7","2","6","2","3","3","1") = "6"
    & skf21("7","7","2","6","2","3","4","1") = "6"
    & skf21("7","7","2","6","2","3","5","1") = "6"
    & skf21("7","7","2","6","2","3","6","1") = "6"
    & skf21("7","7","2","6","2","3","7","1") = "6"
    & skf21("7","7","2","6","2","4","1","1") = "6"
    & skf21("7","7","2","6","2","4","2","1") = "6"
    & skf21("7","7","2","6","2","4","3","1") = "6"
    & skf21("7","7","2","6","2","4","4","1") = "6"
    & skf21("7","7","2","6","2","4","5","1") = "6"
    & skf21("7","7","2","6","2","4","6","1") = "6"
    & skf21("7","7","2","6","2","4","7","1") = "6"
    & skf21("7","7","2","6","2","5","1","1") = "6"
    & skf21("7","7","2","6","2","5","2","1") = "6"
    & skf21("7","7","2","6","2","5","3","1") = "6"
    & skf21("7","7","2","6","2","5","4","1") = "6"
    & skf21("7","7","2","6","2","5","5","1") = "6"
    & skf21("7","7","2","6","2","5","6","1") = "6"
    & skf21("7","7","2","6","2","5","7","1") = "6"
    & skf21("7","7","2","6","2","6","1","1") = "6"
    & skf21("7","7","2","6","2","6","2","1") = "6"
    & skf21("7","7","2","6","2","6","3","1") = "6"
    & skf21("7","7","2","6","2","6","4","1") = "6"
    & skf21("7","7","2","6","2","6","5","1") = "6"
    & skf21("7","7","2","6","2","6","6","1") = "6"
    & skf21("7","7","2","6","2","6","7","1") = "6"
    & skf21("7","7","2","6","2","7","1","1") = "6"
    & skf21("7","7","2","6","2","7","2","1") = "6"
    & skf21("7","7","2","6","2","7","3","1") = "6"
    & skf21("7","7","2","6","2","7","4","1") = "6"
    & skf21("7","7","2","6","2","7","5","1") = "6"
    & skf21("7","7","2","6","2","7","6","1") = "6"
    & skf21("7","7","2","6","2","7","7","1") = "6"
    & skf21("7","7","2","6","3","1","1","1") = "6"
    & skf21("7","7","2","6","3","1","2","1") = "6"
    & skf21("7","7","2","6","3","1","3","1") = "6"
    & skf21("7","7","2","6","3","1","4","1") = "6"
    & skf21("7","7","2","6","3","1","5","1") = "6"
    & skf21("7","7","2","6","3","1","6","1") = "6"
    & skf21("7","7","2","6","3","1","7","1") = "6"
    & skf21("7","7","2","6","3","2","1","1") = "6"
    & skf21("7","7","2","6","3","2","2","1") = "6"
    & skf21("7","7","2","6","3","2","3","1") = "6"
    & skf21("7","7","2","6","3","2","4","1") = "6"
    & skf21("7","7","2","6","3","2","5","1") = "6"
    & skf21("7","7","2","6","3","2","6","1") = "6"
    & skf21("7","7","2","6","3","2","7","1") = "6"
    & skf21("7","7","2","6","3","3","1","1") = "6"
    & skf21("7","7","2","6","3","3","2","1") = "6"
    & skf21("7","7","2","6","3","3","3","1") = "6"
    & skf21("7","7","2","6","3","3","4","1") = "6"
    & skf21("7","7","2","6","3","3","5","1") = "6"
    & skf21("7","7","2","6","3","3","6","1") = "6"
    & skf21("7","7","2","6","3","3","7","1") = "6"
    & skf21("7","7","2","6","3","4","1","1") = "6"
    & skf21("7","7","2","6","3","4","2","1") = "6"
    & skf21("7","7","2","6","3","4","3","1") = "6"
    & skf21("7","7","2","6","3","4","4","1") = "6"
    & skf21("7","7","2","6","3","4","5","1") = "6"
    & skf21("7","7","2","6","3","4","6","1") = "6"
    & skf21("7","7","2","6","3","4","7","1") = "6"
    & skf21("7","7","2","6","3","5","1","1") = "6"
    & skf21("7","7","2","6","3","5","2","1") = "6"
    & skf21("7","7","2","6","3","5","3","1") = "6"
    & skf21("7","7","2","6","3","5","4","1") = "6"
    & skf21("7","7","2","6","3","5","5","1") = "6"
    & skf21("7","7","2","6","3","5","6","1") = "6"
    & skf21("7","7","2","6","3","5","7","1") = "6"
    & skf21("7","7","2","6","3","6","1","1") = "6"
    & skf21("7","7","2","6","3","6","2","1") = "6"
    & skf21("7","7","2","6","3","6","3","1") = "6"
    & skf21("7","7","2","6","3","6","4","1") = "6"
    & skf21("7","7","2","6","3","6","5","1") = "6"
    & skf21("7","7","2","6","3","6","6","1") = "6"
    & skf21("7","7","2","6","3","6","7","1") = "6"
    & skf21("7","7","2","6","3","7","1","1") = "6"
    & skf21("7","7","2","6","3","7","2","1") = "6"
    & skf21("7","7","2","6","3","7","3","1") = "6"
    & skf21("7","7","2","6","3","7","4","1") = "6"
    & skf21("7","7","2","6","3","7","5","1") = "6"
    & skf21("7","7","2","6","3","7","6","1") = "6"
    & skf21("7","7","2","6","3","7","7","1") = "6"
    & skf21("7","7","2","6","4","1","1","1") = "6"
    & skf21("7","7","2","6","4","1","2","1") = "6"
    & skf21("7","7","2","6","4","1","3","1") = "6"
    & skf21("7","7","2","6","4","1","4","1") = "6"
    & skf21("7","7","2","6","4","1","5","1") = "6"
    & skf21("7","7","2","6","4","1","6","1") = "6"
    & skf21("7","7","2","6","4","1","7","1") = "6"
    & skf21("7","7","2","6","4","2","1","1") = "6"
    & skf21("7","7","2","6","4","2","2","1") = "6"
    & skf21("7","7","2","6","4","2","3","1") = "6"
    & skf21("7","7","2","6","4","2","4","1") = "6"
    & skf21("7","7","2","6","4","2","5","1") = "6"
    & skf21("7","7","2","6","4","2","6","1") = "6"
    & skf21("7","7","2","6","4","2","7","1") = "6"
    & skf21("7","7","2","6","4","3","1","1") = "6"
    & skf21("7","7","2","6","4","3","2","1") = "6"
    & skf21("7","7","2","6","4","3","3","1") = "6"
    & skf21("7","7","2","6","4","3","4","1") = "6"
    & skf21("7","7","2","6","4","3","5","1") = "6"
    & skf21("7","7","2","6","4","3","6","1") = "6"
    & skf21("7","7","2","6","4","3","7","1") = "6"
    & skf21("7","7","2","6","4","4","1","1") = "6"
    & skf21("7","7","2","6","4","4","2","1") = "6"
    & skf21("7","7","2","6","4","4","3","1") = "6"
    & skf21("7","7","2","6","4","4","4","1") = "6"
    & skf21("7","7","2","6","4","4","5","1") = "6"
    & skf21("7","7","2","6","4","4","6","1") = "6"
    & skf21("7","7","2","6","4","4","7","1") = "6"
    & skf21("7","7","2","6","4","5","1","1") = "6"
    & skf21("7","7","2","6","4","5","2","1") = "6"
    & skf21("7","7","2","6","4","5","3","1") = "6"
    & skf21("7","7","2","6","4","5","4","1") = "6"
    & skf21("7","7","2","6","4","5","5","1") = "6"
    & skf21("7","7","2","6","4","5","6","1") = "6"
    & skf21("7","7","2","6","4","5","7","1") = "6"
    & skf21("7","7","2","6","4","6","1","1") = "6"
    & skf21("7","7","2","6","4","6","2","1") = "6"
    & skf21("7","7","2","6","4","6","3","1") = "6"
    & skf21("7","7","2","6","4","6","4","1") = "6"
    & skf21("7","7","2","6","4","6","5","1") = "6"
    & skf21("7","7","2","6","4","6","6","1") = "6"
    & skf21("7","7","2","6","4","6","7","1") = "6"
    & skf21("7","7","2","6","4","7","1","1") = "6"
    & skf21("7","7","2","6","4","7","2","1") = "6"
    & skf21("7","7","2","6","4","7","3","1") = "6"
    & skf21("7","7","2","6","4","7","4","1") = "6"
    & skf21("7","7","2","6","4","7","5","1") = "6"
    & skf21("7","7","2","6","4","7","6","1") = "6"
    & skf21("7","7","2","6","4","7","7","1") = "6"
    & skf21("7","7","2","6","5","1","1","1") = "6"
    & skf21("7","7","2","6","5","1","2","1") = "6"
    & skf21("7","7","2","6","5","1","3","1") = "6"
    & skf21("7","7","2","6","5","1","4","1") = "6"
    & skf21("7","7","2","6","5","1","5","1") = "6"
    & skf21("7","7","2","6","5","1","6","1") = "6"
    & skf21("7","7","2","6","5","1","7","1") = "6"
    & skf21("7","7","2","6","5","2","1","1") = "6"
    & skf21("7","7","2","6","5","2","2","1") = "6"
    & skf21("7","7","2","6","5","2","3","1") = "6"
    & skf21("7","7","2","6","5","2","4","1") = "6"
    & skf21("7","7","2","6","5","2","5","1") = "6"
    & skf21("7","7","2","6","5","2","6","1") = "6"
    & skf21("7","7","2","6","5","2","7","1") = "6"
    & skf21("7","7","2","6","5","3","1","1") = "6"
    & skf21("7","7","2","6","5","3","2","1") = "6"
    & skf21("7","7","2","6","5","3","3","1") = "6"
    & skf21("7","7","2","6","5","3","4","1") = "6"
    & skf21("7","7","2","6","5","3","5","1") = "6"
    & skf21("7","7","2","6","5","3","6","1") = "6"
    & skf21("7","7","2","6","5","3","7","1") = "6"
    & skf21("7","7","2","6","5","4","1","1") = "6"
    & skf21("7","7","2","6","5","4","2","1") = "6"
    & skf21("7","7","2","6","5","4","3","1") = "6"
    & skf21("7","7","2","6","5","4","4","1") = "6"
    & skf21("7","7","2","6","5","4","5","1") = "6"
    & skf21("7","7","2","6","5","4","6","1") = "6"
    & skf21("7","7","2","6","5","4","7","1") = "6"
    & skf21("7","7","2","6","5","5","1","1") = "6"
    & skf21("7","7","2","6","5","5","2","1") = "6"
    & skf21("7","7","2","6","5","5","3","1") = "6"
    & skf21("7","7","2","6","5","5","4","1") = "6"
    & skf21("7","7","2","6","5","5","5","1") = "6"
    & skf21("7","7","2","6","5","5","6","1") = "6"
    & skf21("7","7","2","6","5","5","7","1") = "6"
    & skf21("7","7","2","6","5","6","1","1") = "6"
    & skf21("7","7","2","6","5","6","2","1") = "6"
    & skf21("7","7","2","6","5","6","3","1") = "6"
    & skf21("7","7","2","6","5","6","4","1") = "6"
    & skf21("7","7","2","6","5","6","5","1") = "6"
    & skf21("7","7","2","6","5","6","6","1") = "6"
    & skf21("7","7","2","6","5","6","7","1") = "6"
    & skf21("7","7","2","6","5","7","1","1") = "6"
    & skf21("7","7","2","6","5","7","2","1") = "6"
    & skf21("7","7","2","6","5","7","3","1") = "6"
    & skf21("7","7","2","6","5","7","4","1") = "6"
    & skf21("7","7","2","6","5","7","5","1") = "6"
    & skf21("7","7","2","6","5","7","6","1") = "6"
    & skf21("7","7","2","6","5","7","7","1") = "6"
    & skf21("7","7","2","6","6","1","1","1") = "6"
    & skf21("7","7","2","6","6","1","2","1") = "6"
    & skf21("7","7","2","6","6","1","3","1") = "6"
    & skf21("7","7","2","6","6","1","4","1") = "6"
    & skf21("7","7","2","6","6","1","5","1") = "6"
    & skf21("7","7","2","6","6","1","6","1") = "6"
    & skf21("7","7","2","6","6","1","7","1") = "6"
    & skf21("7","7","2","6","6","2","1","1") = "6"
    & skf21("7","7","2","6","6","2","2","1") = "6"
    & skf21("7","7","2","6","6","2","3","1") = "6"
    & skf21("7","7","2","6","6","2","4","1") = "6"
    & skf21("7","7","2","6","6","2","5","1") = "6"
    & skf21("7","7","2","6","6","2","6","1") = "6"
    & skf21("7","7","2","6","6","2","7","1") = "6"
    & skf21("7","7","2","6","6","3","1","1") = "6"
    & skf21("7","7","2","6","6","3","2","1") = "6"
    & skf21("7","7","2","6","6","3","3","1") = "6"
    & skf21("7","7","2","6","6","3","4","1") = "6"
    & skf21("7","7","2","6","6","3","5","1") = "6"
    & skf21("7","7","2","6","6","3","6","1") = "6"
    & skf21("7","7","2","6","6","3","7","1") = "6"
    & skf21("7","7","2","6","6","4","1","1") = "6"
    & skf21("7","7","2","6","6","4","2","1") = "6"
    & skf21("7","7","2","6","6","4","3","1") = "6"
    & skf21("7","7","2","6","6","4","4","1") = "6"
    & skf21("7","7","2","6","6","4","5","1") = "6"
    & skf21("7","7","2","6","6","4","6","1") = "6"
    & skf21("7","7","2","6","6","4","7","1") = "6"
    & skf21("7","7","2","6","6","5","1","1") = "6"
    & skf21("7","7","2","6","6","5","2","1") = "6"
    & skf21("7","7","2","6","6","5","3","1") = "6"
    & skf21("7","7","2","6","6","5","4","1") = "6"
    & skf21("7","7","2","6","6","5","5","1") = "6"
    & skf21("7","7","2","6","6","5","6","1") = "6"
    & skf21("7","7","2","6","6","5","7","1") = "6"
    & skf21("7","7","2","6","6","6","1","1") = "6"
    & skf21("7","7","2","6","6","6","2","1") = "6"
    & skf21("7","7","2","6","6","6","3","1") = "6"
    & skf21("7","7","2","6","6","6","4","1") = "6"
    & skf21("7","7","2","6","6","6","5","1") = "6"
    & skf21("7","7","2","6","6","6","6","1") = "6"
    & skf21("7","7","2","6","6","6","7","1") = "6"
    & skf21("7","7","2","6","6","7","1","1") = "6"
    & skf21("7","7","2","6","6","7","2","1") = "6"
    & skf21("7","7","2","6","6","7","3","1") = "6"
    & skf21("7","7","2","6","6","7","4","1") = "6"
    & skf21("7","7","2","6","6","7","5","1") = "6"
    & skf21("7","7","2","6","6","7","6","1") = "6"
    & skf21("7","7","2","6","6","7","7","1") = "6"
    & skf21("7","7","2","6","7","1","1","1") = "6"
    & skf21("7","7","2","6","7","1","2","1") = "6"
    & skf21("7","7","2","6","7","1","3","1") = "6"
    & skf21("7","7","2","6","7","1","4","1") = "6"
    & skf21("7","7","2","6","7","1","5","1") = "6"
    & skf21("7","7","2","6","7","1","6","1") = "6"
    & skf21("7","7","2","6","7","1","7","1") = "6"
    & skf21("7","7","2","6","7","2","1","1") = "6"
    & skf21("7","7","2","6","7","2","2","1") = "6"
    & skf21("7","7","2","6","7","2","3","1") = "6"
    & skf21("7","7","2","6","7","2","4","1") = "6"
    & skf21("7","7","2","6","7","2","5","1") = "6"
    & skf21("7","7","2","6","7","2","6","1") = "6"
    & skf21("7","7","2","6","7","2","7","1") = "6"
    & skf21("7","7","2","6","7","3","1","1") = "6"
    & skf21("7","7","2","6","7","3","2","1") = "6"
    & skf21("7","7","2","6","7","3","3","1") = "6"
    & skf21("7","7","2","6","7","3","4","1") = "6"
    & skf21("7","7","2","6","7","3","5","1") = "6"
    & skf21("7","7","2","6","7","3","6","1") = "6"
    & skf21("7","7","2","6","7","3","7","1") = "6"
    & skf21("7","7","2","6","7","4","1","1") = "6"
    & skf21("7","7","2","6","7","4","2","1") = "6"
    & skf21("7","7","2","6","7","4","3","1") = "6"
    & skf21("7","7","2","6","7","4","4","1") = "6"
    & skf21("7","7","2","6","7","4","5","1") = "6"
    & skf21("7","7","2","6","7","4","6","1") = "6"
    & skf21("7","7","2","6","7","4","7","1") = "6"
    & skf21("7","7","2","6","7","5","1","1") = "6"
    & skf21("7","7","2","6","7","5","2","1") = "6"
    & skf21("7","7","2","6","7","5","3","1") = "6"
    & skf21("7","7","2","6","7","5","4","1") = "6"
    & skf21("7","7","2","6","7","5","5","1") = "6"
    & skf21("7","7","2","6","7","5","6","1") = "6"
    & skf21("7","7","2","6","7","5","7","1") = "6"
    & skf21("7","7","2","6","7","6","1","1") = "6"
    & skf21("7","7","2","6","7","6","2","1") = "6"
    & skf21("7","7","2","6","7","6","3","1") = "6"
    & skf21("7","7","2","6","7","6","4","1") = "6"
    & skf21("7","7","2","6","7","6","5","1") = "6"
    & skf21("7","7","2","6","7","6","6","1") = "6"
    & skf21("7","7","2","6","7","6","7","1") = "6"
    & skf21("7","7","2","6","7","7","1","1") = "6"
    & skf21("7","7","2","6","7","7","2","1") = "6"
    & skf21("7","7","2","6","7","7","3","1") = "6"
    & skf21("7","7","2","6","7","7","4","1") = "6"
    & skf21("7","7","2","6","7","7","5","1") = "6"
    & skf21("7","7","2","6","7","7","6","1") = "6"
    & skf21("7","7","2","6","7","7","7","1") = "6"
    & skf21("7","7","2","7","1","1","1","1") = "6"
    & skf21("7","7","2","7","1","1","2","1") = "6"
    & skf21("7","7","2","7","1","1","3","1") = "6"
    & skf21("7","7","2","7","1","1","4","1") = "6"
    & skf21("7","7","2","7","1","1","5","1") = "6"
    & skf21("7","7","2","7","1","1","6","1") = "6"
    & skf21("7","7","2","7","1","1","7","1") = "6"
    & skf21("7","7","2","7","1","2","1","1") = "6"
    & skf21("7","7","2","7","1","2","2","1") = "6"
    & skf21("7","7","2","7","1","2","3","1") = "6"
    & skf21("7","7","2","7","1","2","4","1") = "6"
    & skf21("7","7","2","7","1","2","5","1") = "6"
    & skf21("7","7","2","7","1","2","6","1") = "6"
    & skf21("7","7","2","7","1","2","7","1") = "6"
    & skf21("7","7","2","7","1","3","1","1") = "6"
    & skf21("7","7","2","7","1","3","2","1") = "6"
    & skf21("7","7","2","7","1","3","3","1") = "6"
    & skf21("7","7","2","7","1","3","4","1") = "6"
    & skf21("7","7","2","7","1","3","5","1") = "6"
    & skf21("7","7","2","7","1","3","6","1") = "6"
    & skf21("7","7","2","7","1","3","7","1") = "6"
    & skf21("7","7","2","7","1","4","1","1") = "6"
    & skf21("7","7","2","7","1","4","2","1") = "6"
    & skf21("7","7","2","7","1","4","3","1") = "6"
    & skf21("7","7","2","7","1","4","4","1") = "6"
    & skf21("7","7","2","7","1","4","5","1") = "6"
    & skf21("7","7","2","7","1","4","6","1") = "6"
    & skf21("7","7","2","7","1","4","7","1") = "6"
    & skf21("7","7","2","7","1","5","1","1") = "6"
    & skf21("7","7","2","7","1","5","2","1") = "6"
    & skf21("7","7","2","7","1","5","3","1") = "6"
    & skf21("7","7","2","7","1","5","4","1") = "6"
    & skf21("7","7","2","7","1","5","5","1") = "6"
    & skf21("7","7","2","7","1","5","6","1") = "6"
    & skf21("7","7","2","7","1","5","7","1") = "6"
    & skf21("7","7","2","7","1","6","1","1") = "6"
    & skf21("7","7","2","7","1","6","2","1") = "6"
    & skf21("7","7","2","7","1","6","3","1") = "6"
    & skf21("7","7","2","7","1","6","4","1") = "6"
    & skf21("7","7","2","7","1","6","5","1") = "6"
    & skf21("7","7","2","7","1","6","6","1") = "6"
    & skf21("7","7","2","7","1","6","7","1") = "6"
    & skf21("7","7","2","7","1","7","1","1") = "6"
    & skf21("7","7","2","7","1","7","2","1") = "6"
    & skf21("7","7","2","7","1","7","3","1") = "6"
    & skf21("7","7","2","7","1","7","4","1") = "6"
    & skf21("7","7","2","7","1","7","5","1") = "6"
    & skf21("7","7","2","7","1","7","6","1") = "6"
    & skf21("7","7","2","7","1","7","7","1") = "6"
    & skf21("7","7","2","7","2","1","1","1") = "6"
    & skf21("7","7","2","7","2","1","2","1") = "6"
    & skf21("7","7","2","7","2","1","3","1") = "6"
    & skf21("7","7","2","7","2","1","4","1") = "6"
    & skf21("7","7","2","7","2","1","5","1") = "6"
    & skf21("7","7","2","7","2","1","6","1") = "6"
    & skf21("7","7","2","7","2","1","7","1") = "6"
    & skf21("7","7","2","7","2","2","1","1") = "6"
    & skf21("7","7","2","7","2","2","2","1") = "6"
    & skf21("7","7","2","7","2","2","3","1") = "6"
    & skf21("7","7","2","7","2","2","4","1") = "6"
    & skf21("7","7","2","7","2","2","5","1") = "6"
    & skf21("7","7","2","7","2","2","6","1") = "6"
    & skf21("7","7","2","7","2","2","7","1") = "6"
    & skf21("7","7","2","7","2","3","1","1") = "6"
    & skf21("7","7","2","7","2","3","2","1") = "6"
    & skf21("7","7","2","7","2","3","3","1") = "6"
    & skf21("7","7","2","7","2","3","4","1") = "6"
    & skf21("7","7","2","7","2","3","5","1") = "6"
    & skf21("7","7","2","7","2","3","6","1") = "6"
    & skf21("7","7","2","7","2","3","7","1") = "6"
    & skf21("7","7","2","7","2","4","1","1") = "6"
    & skf21("7","7","2","7","2","4","2","1") = "6"
    & skf21("7","7","2","7","2","4","3","1") = "6"
    & skf21("7","7","2","7","2","4","4","1") = "6"
    & skf21("7","7","2","7","2","4","5","1") = "6"
    & skf21("7","7","2","7","2","4","6","1") = "6"
    & skf21("7","7","2","7","2","4","7","1") = "6"
    & skf21("7","7","2","7","2","5","1","1") = "6"
    & skf21("7","7","2","7","2","5","2","1") = "6"
    & skf21("7","7","2","7","2","5","3","1") = "6"
    & skf21("7","7","2","7","2","5","4","1") = "6"
    & skf21("7","7","2","7","2","5","5","1") = "6"
    & skf21("7","7","2","7","2","5","6","1") = "6"
    & skf21("7","7","2","7","2","5","7","1") = "6"
    & skf21("7","7","2","7","2","6","1","1") = "6"
    & skf21("7","7","2","7","2","6","2","1") = "6"
    & skf21("7","7","2","7","2","6","3","1") = "6"
    & skf21("7","7","2","7","2","6","4","1") = "6"
    & skf21("7","7","2","7","2","6","5","1") = "6"
    & skf21("7","7","2","7","2","6","6","1") = "6"
    & skf21("7","7","2","7","2","6","7","1") = "6"
    & skf21("7","7","2","7","2","7","1","1") = "6"
    & skf21("7","7","2","7","2","7","2","1") = "6"
    & skf21("7","7","2","7","2","7","3","1") = "6"
    & skf21("7","7","2","7","2","7","4","1") = "6"
    & skf21("7","7","2","7","2","7","5","1") = "6"
    & skf21("7","7","2","7","2","7","6","1") = "6"
    & skf21("7","7","2","7","2","7","7","1") = "6"
    & skf21("7","7","2","7","3","1","1","1") = "6"
    & skf21("7","7","2","7","3","1","2","1") = "6"
    & skf21("7","7","2","7","3","1","3","1") = "6"
    & skf21("7","7","2","7","3","1","4","1") = "6"
    & skf21("7","7","2","7","3","1","5","1") = "6"
    & skf21("7","7","2","7","3","1","6","1") = "6"
    & skf21("7","7","2","7","3","1","7","1") = "6"
    & skf21("7","7","2","7","3","2","1","1") = "6"
    & skf21("7","7","2","7","3","2","2","1") = "6"
    & skf21("7","7","2","7","3","2","3","1") = "6"
    & skf21("7","7","2","7","3","2","4","1") = "6"
    & skf21("7","7","2","7","3","2","5","1") = "6"
    & skf21("7","7","2","7","3","2","6","1") = "6"
    & skf21("7","7","2","7","3","2","7","1") = "6"
    & skf21("7","7","2","7","3","3","1","1") = "6"
    & skf21("7","7","2","7","3","3","2","1") = "6"
    & skf21("7","7","2","7","3","3","3","1") = "6"
    & skf21("7","7","2","7","3","3","4","1") = "6"
    & skf21("7","7","2","7","3","3","5","1") = "6"
    & skf21("7","7","2","7","3","3","6","1") = "6"
    & skf21("7","7","2","7","3","3","7","1") = "6"
    & skf21("7","7","2","7","3","4","1","1") = "6"
    & skf21("7","7","2","7","3","4","2","1") = "6"
    & skf21("7","7","2","7","3","4","3","1") = "6"
    & skf21("7","7","2","7","3","4","4","1") = "6"
    & skf21("7","7","2","7","3","4","5","1") = "6"
    & skf21("7","7","2","7","3","4","6","1") = "6"
    & skf21("7","7","2","7","3","4","7","1") = "6"
    & skf21("7","7","2","7","3","5","1","1") = "6"
    & skf21("7","7","2","7","3","5","2","1") = "6"
    & skf21("7","7","2","7","3","5","3","1") = "6"
    & skf21("7","7","2","7","3","5","4","1") = "6"
    & skf21("7","7","2","7","3","5","5","1") = "6"
    & skf21("7","7","2","7","3","5","6","1") = "6"
    & skf21("7","7","2","7","3","5","7","1") = "6"
    & skf21("7","7","2","7","3","6","1","1") = "6"
    & skf21("7","7","2","7","3","6","2","1") = "6"
    & skf21("7","7","2","7","3","6","3","1") = "6"
    & skf21("7","7","2","7","3","6","4","1") = "6"
    & skf21("7","7","2","7","3","6","5","1") = "6"
    & skf21("7","7","2","7","3","6","6","1") = "6"
    & skf21("7","7","2","7","3","6","7","1") = "6"
    & skf21("7","7","2","7","3","7","1","1") = "6"
    & skf21("7","7","2","7","3","7","2","1") = "6"
    & skf21("7","7","2","7","3","7","3","1") = "6"
    & skf21("7","7","2","7","3","7","4","1") = "6"
    & skf21("7","7","2","7","3","7","5","1") = "6"
    & skf21("7","7","2","7","3","7","6","1") = "6"
    & skf21("7","7","2","7","3","7","7","1") = "6"
    & skf21("7","7","2","7","4","1","1","1") = "6"
    & skf21("7","7","2","7","4","1","2","1") = "6"
    & skf21("7","7","2","7","4","1","3","1") = "6"
    & skf21("7","7","2","7","4","1","4","1") = "6"
    & skf21("7","7","2","7","4","1","5","1") = "6"
    & skf21("7","7","2","7","4","1","6","1") = "6"
    & skf21("7","7","2","7","4","1","7","1") = "6"
    & skf21("7","7","2","7","4","2","1","1") = "6"
    & skf21("7","7","2","7","4","2","2","1") = "6"
    & skf21("7","7","2","7","4","2","3","1") = "6"
    & skf21("7","7","2","7","4","2","4","1") = "6"
    & skf21("7","7","2","7","4","2","5","1") = "6"
    & skf21("7","7","2","7","4","2","6","1") = "6"
    & skf21("7","7","2","7","4","2","7","1") = "6"
    & skf21("7","7","2","7","4","3","1","1") = "6"
    & skf21("7","7","2","7","4","3","2","1") = "6"
    & skf21("7","7","2","7","4","3","3","1") = "6"
    & skf21("7","7","2","7","4","3","4","1") = "6"
    & skf21("7","7","2","7","4","3","5","1") = "6"
    & skf21("7","7","2","7","4","3","6","1") = "6"
    & skf21("7","7","2","7","4","3","7","1") = "6"
    & skf21("7","7","2","7","4","4","1","1") = "6"
    & skf21("7","7","2","7","4","4","2","1") = "6"
    & skf21("7","7","2","7","4","4","3","1") = "6"
    & skf21("7","7","2","7","4","4","4","1") = "6"
    & skf21("7","7","2","7","4","4","5","1") = "6"
    & skf21("7","7","2","7","4","4","6","1") = "6"
    & skf21("7","7","2","7","4","4","7","1") = "6"
    & skf21("7","7","2","7","4","5","1","1") = "6"
    & skf21("7","7","2","7","4","5","2","1") = "6"
    & skf21("7","7","2","7","4","5","3","1") = "6"
    & skf21("7","7","2","7","4","5","4","1") = "6"
    & skf21("7","7","2","7","4","5","5","1") = "6"
    & skf21("7","7","2","7","4","5","6","1") = "6"
    & skf21("7","7","2","7","4","5","7","1") = "6"
    & skf21("7","7","2","7","4","6","1","1") = "6"
    & skf21("7","7","2","7","4","6","2","1") = "6"
    & skf21("7","7","2","7","4","6","3","1") = "6"
    & skf21("7","7","2","7","4","6","4","1") = "6"
    & skf21("7","7","2","7","4","6","5","1") = "6"
    & skf21("7","7","2","7","4","6","6","1") = "6"
    & skf21("7","7","2","7","4","6","7","1") = "6"
    & skf21("7","7","2","7","4","7","1","1") = "6"
    & skf21("7","7","2","7","4","7","2","1") = "6"
    & skf21("7","7","2","7","4","7","3","1") = "6"
    & skf21("7","7","2","7","4","7","4","1") = "6"
    & skf21("7","7","2","7","4","7","5","1") = "6"
    & skf21("7","7","2","7","4","7","6","1") = "6"
    & skf21("7","7","2","7","4","7","7","1") = "6"
    & skf21("7","7","2","7","5","1","1","1") = "6"
    & skf21("7","7","2","7","5","1","2","1") = "6"
    & skf21("7","7","2","7","5","1","3","1") = "6"
    & skf21("7","7","2","7","5","1","4","1") = "6"
    & skf21("7","7","2","7","5","1","5","1") = "6"
    & skf21("7","7","2","7","5","1","6","1") = "6"
    & skf21("7","7","2","7","5","1","7","1") = "6"
    & skf21("7","7","2","7","5","2","1","1") = "6"
    & skf21("7","7","2","7","5","2","2","1") = "6"
    & skf21("7","7","2","7","5","2","3","1") = "6"
    & skf21("7","7","2","7","5","2","4","1") = "6"
    & skf21("7","7","2","7","5","2","5","1") = "6"
    & skf21("7","7","2","7","5","2","6","1") = "6"
    & skf21("7","7","2","7","5","2","7","1") = "6"
    & skf21("7","7","2","7","5","3","1","1") = "6"
    & skf21("7","7","2","7","5","3","2","1") = "6"
    & skf21("7","7","2","7","5","3","3","1") = "6"
    & skf21("7","7","2","7","5","3","4","1") = "6"
    & skf21("7","7","2","7","5","3","5","1") = "6"
    & skf21("7","7","2","7","5","3","6","1") = "6"
    & skf21("7","7","2","7","5","3","7","1") = "6"
    & skf21("7","7","2","7","5","4","1","1") = "6"
    & skf21("7","7","2","7","5","4","2","1") = "6"
    & skf21("7","7","2","7","5","4","3","1") = "6"
    & skf21("7","7","2","7","5","4","4","1") = "6"
    & skf21("7","7","2","7","5","4","5","1") = "6"
    & skf21("7","7","2","7","5","4","6","1") = "6"
    & skf21("7","7","2","7","5","4","7","1") = "6"
    & skf21("7","7","2","7","5","5","1","1") = "6"
    & skf21("7","7","2","7","5","5","2","1") = "6"
    & skf21("7","7","2","7","5","5","3","1") = "6"
    & skf21("7","7","2","7","5","5","4","1") = "6"
    & skf21("7","7","2","7","5","5","5","1") = "6"
    & skf21("7","7","2","7","5","5","6","1") = "6"
    & skf21("7","7","2","7","5","5","7","1") = "6"
    & skf21("7","7","2","7","5","6","1","1") = "6"
    & skf21("7","7","2","7","5","6","2","1") = "6"
    & skf21("7","7","2","7","5","6","3","1") = "6"
    & skf21("7","7","2","7","5","6","4","1") = "6"
    & skf21("7","7","2","7","5","6","5","1") = "6"
    & skf21("7","7","2","7","5","6","6","1") = "6"
    & skf21("7","7","2","7","5","6","7","1") = "6"
    & skf21("7","7","2","7","5","7","1","1") = "6"
    & skf21("7","7","2","7","5","7","2","1") = "6"
    & skf21("7","7","2","7","5","7","3","1") = "6"
    & skf21("7","7","2","7","5","7","4","1") = "6"
    & skf21("7","7","2","7","5","7","5","1") = "6"
    & skf21("7","7","2","7","5","7","6","1") = "6"
    & skf21("7","7","2","7","5","7","7","1") = "6"
    & skf21("7","7","2","7","6","1","1","1") = "6"
    & skf21("7","7","2","7","6","1","2","1") = "6"
    & skf21("7","7","2","7","6","1","3","1") = "6"
    & skf21("7","7","2","7","6","1","4","1") = "6"
    & skf21("7","7","2","7","6","1","5","1") = "6"
    & skf21("7","7","2","7","6","1","6","1") = "6"
    & skf21("7","7","2","7","6","1","7","1") = "6"
    & skf21("7","7","2","7","6","2","1","1") = "6"
    & skf21("7","7","2","7","6","2","2","1") = "6"
    & skf21("7","7","2","7","6","2","3","1") = "6"
    & skf21("7","7","2","7","6","2","4","1") = "6"
    & skf21("7","7","2","7","6","2","5","1") = "6"
    & skf21("7","7","2","7","6","2","6","1") = "6"
    & skf21("7","7","2","7","6","2","7","1") = "6"
    & skf21("7","7","2","7","6","3","1","1") = "6"
    & skf21("7","7","2","7","6","3","2","1") = "6"
    & skf21("7","7","2","7","6","3","3","1") = "6"
    & skf21("7","7","2","7","6","3","4","1") = "6"
    & skf21("7","7","2","7","6","3","5","1") = "6"
    & skf21("7","7","2","7","6","3","6","1") = "6"
    & skf21("7","7","2","7","6","3","7","1") = "6"
    & skf21("7","7","2","7","6","4","1","1") = "6"
    & skf21("7","7","2","7","6","4","2","1") = "6"
    & skf21("7","7","2","7","6","4","3","1") = "6"
    & skf21("7","7","2","7","6","4","4","1") = "6"
    & skf21("7","7","2","7","6","4","5","1") = "6"
    & skf21("7","7","2","7","6","4","6","1") = "6"
    & skf21("7","7","2","7","6","4","7","1") = "6"
    & skf21("7","7","2","7","6","5","1","1") = "6"
    & skf21("7","7","2","7","6","5","2","1") = "6"
    & skf21("7","7","2","7","6","5","3","1") = "6"
    & skf21("7","7","2","7","6","5","4","1") = "6"
    & skf21("7","7","2","7","6","5","5","1") = "6"
    & skf21("7","7","2","7","6","5","6","1") = "6"
    & skf21("7","7","2","7","6","5","7","1") = "6"
    & skf21("7","7","2","7","6","6","1","1") = "6"
    & skf21("7","7","2","7","6","6","2","1") = "6"
    & skf21("7","7","2","7","6","6","3","1") = "6"
    & skf21("7","7","2","7","6","6","4","1") = "6"
    & skf21("7","7","2","7","6","6","5","1") = "6"
    & skf21("7","7","2","7","6","6","6","1") = "6"
    & skf21("7","7","2","7","6","6","7","1") = "6"
    & skf21("7","7","2","7","6","7","1","1") = "6"
    & skf21("7","7","2","7","6","7","2","1") = "6"
    & skf21("7","7","2","7","6","7","3","1") = "6"
    & skf21("7","7","2","7","6","7","4","1") = "6"
    & skf21("7","7","2","7","6","7","5","1") = "6"
    & skf21("7","7","2","7","6","7","6","1") = "6"
    & skf21("7","7","2","7","6","7","7","1") = "6"
    & skf21("7","7","2","7","7","1","1","1") = "6"
    & skf21("7","7","2","7","7","1","2","1") = "6"
    & skf21("7","7","2","7","7","1","3","1") = "6"
    & skf21("7","7","2","7","7","1","4","1") = "6"
    & skf21("7","7","2","7","7","1","5","1") = "6"
    & skf21("7","7","2","7","7","1","6","1") = "6"
    & skf21("7","7","2","7","7","1","7","1") = "6"
    & skf21("7","7","2","7","7","2","1","1") = "6"
    & skf21("7","7","2","7","7","2","2","1") = "6"
    & skf21("7","7","2","7","7","2","3","1") = "6"
    & skf21("7","7","2","7","7","2","4","1") = "6"
    & skf21("7","7","2","7","7","2","5","1") = "6"
    & skf21("7","7","2","7","7","2","6","1") = "6"
    & skf21("7","7","2","7","7","2","7","1") = "6"
    & skf21("7","7","2","7","7","3","1","1") = "6"
    & skf21("7","7","2","7","7","3","2","1") = "6"
    & skf21("7","7","2","7","7","3","3","1") = "6"
    & skf21("7","7","2","7","7","3","4","1") = "6"
    & skf21("7","7","2","7","7","3","5","1") = "6"
    & skf21("7","7","2","7","7","3","6","1") = "6"
    & skf21("7","7","2","7","7","3","7","1") = "6"
    & skf21("7","7","2","7","7","4","1","1") = "6"
    & skf21("7","7","2","7","7","4","2","1") = "6"
    & skf21("7","7","2","7","7","4","3","1") = "6"
    & skf21("7","7","2","7","7","4","4","1") = "6"
    & skf21("7","7","2","7","7","4","5","1") = "6"
    & skf21("7","7","2","7","7","4","6","1") = "6"
    & skf21("7","7","2","7","7","4","7","1") = "6"
    & skf21("7","7","2","7","7","5","1","1") = "6"
    & skf21("7","7","2","7","7","5","2","1") = "6"
    & skf21("7","7","2","7","7","5","3","1") = "6"
    & skf21("7","7","2","7","7","5","4","1") = "6"
    & skf21("7","7","2","7","7","5","5","1") = "6"
    & skf21("7","7","2","7","7","5","6","1") = "6"
    & skf21("7","7","2","7","7","5","7","1") = "6"
    & skf21("7","7","2","7","7","6","1","1") = "6"
    & skf21("7","7","2","7","7","6","2","1") = "6"
    & skf21("7","7","2","7","7","6","3","1") = "6"
    & skf21("7","7","2","7","7","6","4","1") = "6"
    & skf21("7","7","2","7","7","6","5","1") = "6"
    & skf21("7","7","2","7","7","6","6","1") = "6"
    & skf21("7","7","2","7","7","6","7","1") = "6"
    & skf21("7","7","2","7","7","7","1","1") = "6"
    & skf21("7","7","2","7","7","7","2","1") = "6"
    & skf21("7","7","2","7","7","7","3","1") = "6"
    & skf21("7","7","2","7","7","7","4","1") = "6"
    & skf21("7","7","2","7","7","7","5","1") = "6"
    & skf21("7","7","2","7","7","7","6","1") = "6"
    & skf21("7","7","2","7","7","7","7","1") = "6"
    & skf21("7","7","3","1","1","1","1","1") = "6"
    & skf21("7","7","3","1","1","1","2","1") = "6"
    & skf21("7","7","3","1","1","1","3","1") = "6"
    & skf21("7","7","3","1","1","1","4","1") = "6"
    & skf21("7","7","3","1","1","1","5","1") = "6"
    & skf21("7","7","3","1","1","1","6","1") = "6"
    & skf21("7","7","3","1","1","1","7","1") = "6"
    & skf21("7","7","3","1","1","2","1","1") = "6"
    & skf21("7","7","3","1","1","2","2","1") = "6"
    & skf21("7","7","3","1","1","2","3","1") = "6"
    & skf21("7","7","3","1","1","2","4","1") = "6"
    & skf21("7","7","3","1","1","2","5","1") = "6"
    & skf21("7","7","3","1","1","2","6","1") = "6"
    & skf21("7","7","3","1","1","2","7","1") = "6"
    & skf21("7","7","3","1","1","3","1","1") = "6"
    & skf21("7","7","3","1","1","3","2","1") = "6"
    & skf21("7","7","3","1","1","3","3","1") = "6"
    & skf21("7","7","3","1","1","3","4","1") = "6"
    & skf21("7","7","3","1","1","3","5","1") = "6"
    & skf21("7","7","3","1","1","3","6","1") = "6"
    & skf21("7","7","3","1","1","3","7","1") = "6"
    & skf21("7","7","3","1","1","4","1","1") = "6"
    & skf21("7","7","3","1","1","4","2","1") = "6"
    & skf21("7","7","3","1","1","4","3","1") = "6"
    & skf21("7","7","3","1","1","4","4","1") = "6"
    & skf21("7","7","3","1","1","4","5","1") = "6"
    & skf21("7","7","3","1","1","4","6","1") = "6"
    & skf21("7","7","3","1","1","4","7","1") = "6"
    & skf21("7","7","3","1","1","5","1","1") = "6"
    & skf21("7","7","3","1","1","5","2","1") = "6"
    & skf21("7","7","3","1","1","5","3","1") = "6"
    & skf21("7","7","3","1","1","5","4","1") = "6"
    & skf21("7","7","3","1","1","5","5","1") = "6"
    & skf21("7","7","3","1","1","5","6","1") = "6"
    & skf21("7","7","3","1","1","5","7","1") = "6"
    & skf21("7","7","3","1","1","6","1","1") = "6"
    & skf21("7","7","3","1","1","6","2","1") = "6"
    & skf21("7","7","3","1","1","6","3","1") = "6"
    & skf21("7","7","3","1","1","6","4","1") = "6"
    & skf21("7","7","3","1","1","6","5","1") = "6"
    & skf21("7","7","3","1","1","6","6","1") = "6"
    & skf21("7","7","3","1","1","6","7","1") = "6"
    & skf21("7","7","3","1","1","7","1","1") = "6"
    & skf21("7","7","3","1","1","7","2","1") = "6"
    & skf21("7","7","3","1","1","7","3","1") = "6"
    & skf21("7","7","3","1","1","7","4","1") = "6"
    & skf21("7","7","3","1","1","7","5","1") = "6"
    & skf21("7","7","3","1","1","7","6","1") = "6"
    & skf21("7","7","3","1","1","7","7","1") = "6"
    & skf21("7","7","3","1","2","1","1","1") = "6"
    & skf21("7","7","3","1","2","1","2","1") = "6"
    & skf21("7","7","3","1","2","1","3","1") = "6"
    & skf21("7","7","3","1","2","1","4","1") = "6"
    & skf21("7","7","3","1","2","1","5","1") = "6"
    & skf21("7","7","3","1","2","1","6","1") = "6"
    & skf21("7","7","3","1","2","1","7","1") = "6"
    & skf21("7","7","3","1","2","2","1","1") = "6"
    & skf21("7","7","3","1","2","2","2","1") = "6"
    & skf21("7","7","3","1","2","2","3","1") = "6"
    & skf21("7","7","3","1","2","2","4","1") = "6"
    & skf21("7","7","3","1","2","2","5","1") = "6"
    & skf21("7","7","3","1","2","2","6","1") = "6"
    & skf21("7","7","3","1","2","2","7","1") = "6"
    & skf21("7","7","3","1","2","3","1","1") = "6"
    & skf21("7","7","3","1","2","3","2","1") = "6"
    & skf21("7","7","3","1","2","3","3","1") = "6"
    & skf21("7","7","3","1","2","3","4","1") = "6"
    & skf21("7","7","3","1","2","3","5","1") = "6"
    & skf21("7","7","3","1","2","3","6","1") = "6"
    & skf21("7","7","3","1","2","3","7","1") = "6"
    & skf21("7","7","3","1","2","4","1","1") = "6"
    & skf21("7","7","3","1","2","4","2","1") = "6"
    & skf21("7","7","3","1","2","4","3","1") = "6"
    & skf21("7","7","3","1","2","4","4","1") = "6"
    & skf21("7","7","3","1","2","4","5","1") = "6"
    & skf21("7","7","3","1","2","4","6","1") = "6"
    & skf21("7","7","3","1","2","4","7","1") = "6"
    & skf21("7","7","3","1","2","5","1","1") = "6"
    & skf21("7","7","3","1","2","5","2","1") = "6"
    & skf21("7","7","3","1","2","5","3","1") = "6"
    & skf21("7","7","3","1","2","5","4","1") = "6"
    & skf21("7","7","3","1","2","5","5","1") = "6"
    & skf21("7","7","3","1","2","5","6","1") = "6"
    & skf21("7","7","3","1","2","5","7","1") = "6"
    & skf21("7","7","3","1","2","6","1","1") = "6"
    & skf21("7","7","3","1","2","6","2","1") = "6"
    & skf21("7","7","3","1","2","6","3","1") = "6"
    & skf21("7","7","3","1","2","6","4","1") = "6"
    & skf21("7","7","3","1","2","6","5","1") = "6"
    & skf21("7","7","3","1","2","6","6","1") = "6"
    & skf21("7","7","3","1","2","6","7","1") = "6"
    & skf21("7","7","3","1","2","7","1","1") = "6"
    & skf21("7","7","3","1","2","7","2","1") = "6"
    & skf21("7","7","3","1","2","7","3","1") = "6"
    & skf21("7","7","3","1","2","7","4","1") = "6"
    & skf21("7","7","3","1","2","7","5","1") = "6"
    & skf21("7","7","3","1","2","7","6","1") = "6"
    & skf21("7","7","3","1","2","7","7","1") = "6"
    & skf21("7","7","3","1","3","1","1","1") = "6"
    & skf21("7","7","3","1","3","1","2","1") = "6"
    & skf21("7","7","3","1","3","1","3","1") = "6"
    & skf21("7","7","3","1","3","1","4","1") = "6"
    & skf21("7","7","3","1","3","1","5","1") = "6"
    & skf21("7","7","3","1","3","1","6","1") = "6"
    & skf21("7","7","3","1","3","1","7","1") = "6"
    & skf21("7","7","3","1","3","2","1","1") = "6"
    & skf21("7","7","3","1","3","2","2","1") = "6"
    & skf21("7","7","3","1","3","2","3","1") = "6"
    & skf21("7","7","3","1","3","2","4","1") = "6"
    & skf21("7","7","3","1","3","2","5","1") = "6"
    & skf21("7","7","3","1","3","2","6","1") = "6"
    & skf21("7","7","3","1","3","2","7","1") = "6"
    & skf21("7","7","3","1","3","3","1","1") = "6"
    & skf21("7","7","3","1","3","3","2","1") = "6"
    & skf21("7","7","3","1","3","3","3","1") = "6"
    & skf21("7","7","3","1","3","3","4","1") = "6"
    & skf21("7","7","3","1","3","3","5","1") = "6"
    & skf21("7","7","3","1","3","3","6","1") = "6"
    & skf21("7","7","3","1","3","3","7","1") = "6"
    & skf21("7","7","3","1","3","4","1","1") = "6"
    & skf21("7","7","3","1","3","4","2","1") = "6"
    & skf21("7","7","3","1","3","4","3","1") = "6"
    & skf21("7","7","3","1","3","4","4","1") = "6"
    & skf21("7","7","3","1","3","4","5","1") = "6"
    & skf21("7","7","3","1","3","4","6","1") = "6"
    & skf21("7","7","3","1","3","4","7","1") = "6"
    & skf21("7","7","3","1","3","5","1","1") = "6"
    & skf21("7","7","3","1","3","5","2","1") = "6"
    & skf21("7","7","3","1","3","5","3","1") = "6"
    & skf21("7","7","3","1","3","5","4","1") = "6"
    & skf21("7","7","3","1","3","5","5","1") = "6"
    & skf21("7","7","3","1","3","5","6","1") = "6"
    & skf21("7","7","3","1","3","5","7","1") = "6"
    & skf21("7","7","3","1","3","6","1","1") = "6"
    & skf21("7","7","3","1","3","6","2","1") = "6"
    & skf21("7","7","3","1","3","6","3","1") = "6"
    & skf21("7","7","3","1","3","6","4","1") = "6"
    & skf21("7","7","3","1","3","6","5","1") = "6"
    & skf21("7","7","3","1","3","6","6","1") = "6"
    & skf21("7","7","3","1","3","6","7","1") = "6"
    & skf21("7","7","3","1","3","7","1","1") = "6"
    & skf21("7","7","3","1","3","7","2","1") = "6"
    & skf21("7","7","3","1","3","7","3","1") = "6"
    & skf21("7","7","3","1","3","7","4","1") = "6"
    & skf21("7","7","3","1","3","7","5","1") = "6"
    & skf21("7","7","3","1","3","7","6","1") = "6"
    & skf21("7","7","3","1","3","7","7","1") = "6"
    & skf21("7","7","3","1","4","1","1","1") = "6"
    & skf21("7","7","3","1","4","1","2","1") = "6"
    & skf21("7","7","3","1","4","1","3","1") = "6"
    & skf21("7","7","3","1","4","1","4","1") = "6"
    & skf21("7","7","3","1","4","1","5","1") = "6"
    & skf21("7","7","3","1","4","1","6","1") = "6"
    & skf21("7","7","3","1","4","1","7","1") = "6"
    & skf21("7","7","3","1","4","2","1","1") = "6"
    & skf21("7","7","3","1","4","2","2","1") = "6"
    & skf21("7","7","3","1","4","2","3","1") = "6"
    & skf21("7","7","3","1","4","2","4","1") = "6"
    & skf21("7","7","3","1","4","2","5","1") = "6"
    & skf21("7","7","3","1","4","2","6","1") = "6"
    & skf21("7","7","3","1","4","2","7","1") = "6"
    & skf21("7","7","3","1","4","3","1","1") = "6"
    & skf21("7","7","3","1","4","3","2","1") = "6"
    & skf21("7","7","3","1","4","3","3","1") = "6"
    & skf21("7","7","3","1","4","3","4","1") = "6"
    & skf21("7","7","3","1","4","3","5","1") = "6"
    & skf21("7","7","3","1","4","3","6","1") = "6"
    & skf21("7","7","3","1","4","3","7","1") = "6"
    & skf21("7","7","3","1","4","4","1","1") = "6"
    & skf21("7","7","3","1","4","4","2","1") = "6"
    & skf21("7","7","3","1","4","4","3","1") = "6"
    & skf21("7","7","3","1","4","4","4","1") = "6"
    & skf21("7","7","3","1","4","4","5","1") = "6"
    & skf21("7","7","3","1","4","4","6","1") = "6"
    & skf21("7","7","3","1","4","4","7","1") = "6"
    & skf21("7","7","3","1","4","5","1","1") = "6"
    & skf21("7","7","3","1","4","5","2","1") = "6"
    & skf21("7","7","3","1","4","5","3","1") = "6"
    & skf21("7","7","3","1","4","5","4","1") = "6"
    & skf21("7","7","3","1","4","5","5","1") = "6"
    & skf21("7","7","3","1","4","5","6","1") = "6"
    & skf21("7","7","3","1","4","5","7","1") = "6"
    & skf21("7","7","3","1","4","6","1","1") = "6"
    & skf21("7","7","3","1","4","6","2","1") = "6"
    & skf21("7","7","3","1","4","6","3","1") = "6"
    & skf21("7","7","3","1","4","6","4","1") = "6"
    & skf21("7","7","3","1","4","6","5","1") = "6"
    & skf21("7","7","3","1","4","6","6","1") = "6"
    & skf21("7","7","3","1","4","6","7","1") = "6"
    & skf21("7","7","3","1","4","7","1","1") = "6"
    & skf21("7","7","3","1","4","7","2","1") = "6"
    & skf21("7","7","3","1","4","7","3","1") = "6"
    & skf21("7","7","3","1","4","7","4","1") = "6"
    & skf21("7","7","3","1","4","7","5","1") = "6"
    & skf21("7","7","3","1","4","7","6","1") = "6"
    & skf21("7","7","3","1","4","7","7","1") = "6"
    & skf21("7","7","3","1","5","1","1","1") = "6"
    & skf21("7","7","3","1","5","1","2","1") = "6"
    & skf21("7","7","3","1","5","1","3","1") = "6"
    & skf21("7","7","3","1","5","1","4","1") = "6"
    & skf21("7","7","3","1","5","1","5","1") = "6"
    & skf21("7","7","3","1","5","1","6","1") = "6"
    & skf21("7","7","3","1","5","1","7","1") = "6"
    & skf21("7","7","3","1","5","2","1","1") = "6"
    & skf21("7","7","3","1","5","2","2","1") = "6"
    & skf21("7","7","3","1","5","2","3","1") = "6"
    & skf21("7","7","3","1","5","2","4","1") = "6"
    & skf21("7","7","3","1","5","2","5","1") = "6"
    & skf21("7","7","3","1","5","2","6","1") = "6"
    & skf21("7","7","3","1","5","2","7","1") = "6"
    & skf21("7","7","3","1","5","3","1","1") = "6"
    & skf21("7","7","3","1","5","3","2","1") = "6"
    & skf21("7","7","3","1","5","3","3","1") = "6"
    & skf21("7","7","3","1","5","3","4","1") = "6"
    & skf21("7","7","3","1","5","3","5","1") = "6"
    & skf21("7","7","3","1","5","3","6","1") = "6"
    & skf21("7","7","3","1","5","3","7","1") = "6"
    & skf21("7","7","3","1","5","4","1","1") = "6"
    & skf21("7","7","3","1","5","4","2","1") = "6"
    & skf21("7","7","3","1","5","4","3","1") = "6"
    & skf21("7","7","3","1","5","4","4","1") = "6"
    & skf21("7","7","3","1","5","4","5","1") = "6"
    & skf21("7","7","3","1","5","4","6","1") = "6"
    & skf21("7","7","3","1","5","4","7","1") = "6"
    & skf21("7","7","3","1","5","5","1","1") = "6"
    & skf21("7","7","3","1","5","5","2","1") = "6"
    & skf21("7","7","3","1","5","5","3","1") = "6"
    & skf21("7","7","3","1","5","5","4","1") = "6"
    & skf21("7","7","3","1","5","5","5","1") = "6"
    & skf21("7","7","3","1","5","5","6","1") = "6"
    & skf21("7","7","3","1","5","5","7","1") = "6"
    & skf21("7","7","3","1","5","6","1","1") = "6"
    & skf21("7","7","3","1","5","6","2","1") = "6"
    & skf21("7","7","3","1","5","6","3","1") = "6"
    & skf21("7","7","3","1","5","6","4","1") = "6"
    & skf21("7","7","3","1","5","6","5","1") = "6"
    & skf21("7","7","3","1","5","6","6","1") = "6"
    & skf21("7","7","3","1","5","6","7","1") = "6"
    & skf21("7","7","3","1","5","7","1","1") = "6"
    & skf21("7","7","3","1","5","7","2","1") = "6"
    & skf21("7","7","3","1","5","7","3","1") = "6"
    & skf21("7","7","3","1","5","7","4","1") = "6"
    & skf21("7","7","3","1","5","7","5","1") = "6"
    & skf21("7","7","3","1","5","7","6","1") = "6"
    & skf21("7","7","3","1","5","7","7","1") = "6"
    & skf21("7","7","3","1","6","1","1","1") = "6"
    & skf21("7","7","3","1","6","1","2","1") = "6"
    & skf21("7","7","3","1","6","1","3","1") = "6"
    & skf21("7","7","3","1","6","1","4","1") = "6"
    & skf21("7","7","3","1","6","1","5","1") = "6"
    & skf21("7","7","3","1","6","1","6","1") = "6"
    & skf21("7","7","3","1","6","1","7","1") = "6"
    & skf21("7","7","3","1","6","2","1","1") = "6"
    & skf21("7","7","3","1","6","2","2","1") = "6"
    & skf21("7","7","3","1","6","2","3","1") = "6"
    & skf21("7","7","3","1","6","2","4","1") = "6"
    & skf21("7","7","3","1","6","2","5","1") = "6"
    & skf21("7","7","3","1","6","2","6","1") = "6"
    & skf21("7","7","3","1","6","2","7","1") = "6"
    & skf21("7","7","3","1","6","3","1","1") = "6"
    & skf21("7","7","3","1","6","3","2","1") = "6"
    & skf21("7","7","3","1","6","3","3","1") = "6"
    & skf21("7","7","3","1","6","3","4","1") = "6"
    & skf21("7","7","3","1","6","3","5","1") = "6"
    & skf21("7","7","3","1","6","3","6","1") = "6"
    & skf21("7","7","3","1","6","3","7","1") = "6"
    & skf21("7","7","3","1","6","4","1","1") = "6"
    & skf21("7","7","3","1","6","4","2","1") = "6"
    & skf21("7","7","3","1","6","4","3","1") = "6"
    & skf21("7","7","3","1","6","4","4","1") = "6"
    & skf21("7","7","3","1","6","4","5","1") = "6"
    & skf21("7","7","3","1","6","4","6","1") = "6"
    & skf21("7","7","3","1","6","4","7","1") = "6"
    & skf21("7","7","3","1","6","5","1","1") = "6"
    & skf21("7","7","3","1","6","5","2","1") = "6"
    & skf21("7","7","3","1","6","5","3","1") = "6"
    & skf21("7","7","3","1","6","5","4","1") = "6"
    & skf21("7","7","3","1","6","5","5","1") = "6"
    & skf21("7","7","3","1","6","5","6","1") = "6"
    & skf21("7","7","3","1","6","5","7","1") = "6"
    & skf21("7","7","3","1","6","6","1","1") = "6"
    & skf21("7","7","3","1","6","6","2","1") = "6"
    & skf21("7","7","3","1","6","6","3","1") = "6"
    & skf21("7","7","3","1","6","6","4","1") = "6"
    & skf21("7","7","3","1","6","6","5","1") = "6"
    & skf21("7","7","3","1","6","6","6","1") = "6"
    & skf21("7","7","3","1","6","6","7","1") = "6"
    & skf21("7","7","3","1","6","7","1","1") = "6"
    & skf21("7","7","3","1","6","7","2","1") = "6"
    & skf21("7","7","3","1","6","7","3","1") = "6"
    & skf21("7","7","3","1","6","7","4","1") = "6"
    & skf21("7","7","3","1","6","7","5","1") = "6"
    & skf21("7","7","3","1","6","7","6","1") = "6"
    & skf21("7","7","3","1","6","7","7","1") = "6"
    & skf21("7","7","3","1","7","1","1","1") = "6"
    & skf21("7","7","3","1","7","1","2","1") = "6"
    & skf21("7","7","3","1","7","1","3","1") = "6"
    & skf21("7","7","3","1","7","1","4","1") = "6"
    & skf21("7","7","3","1","7","1","5","1") = "6"
    & skf21("7","7","3","1","7","1","6","1") = "6"
    & skf21("7","7","3","1","7","1","7","1") = "6"
    & skf21("7","7","3","1","7","2","1","1") = "6"
    & skf21("7","7","3","1","7","2","2","1") = "6"
    & skf21("7","7","3","1","7","2","3","1") = "6"
    & skf21("7","7","3","1","7","2","4","1") = "6"
    & skf21("7","7","3","1","7","2","5","1") = "6"
    & skf21("7","7","3","1","7","2","6","1") = "6"
    & skf21("7","7","3","1","7","2","7","1") = "6"
    & skf21("7","7","3","1","7","3","1","1") = "6"
    & skf21("7","7","3","1","7","3","2","1") = "6"
    & skf21("7","7","3","1","7","3","3","1") = "6"
    & skf21("7","7","3","1","7","3","4","1") = "6"
    & skf21("7","7","3","1","7","3","5","1") = "6"
    & skf21("7","7","3","1","7","3","6","1") = "6"
    & skf21("7","7","3","1","7","3","7","1") = "6"
    & skf21("7","7","3","1","7","4","1","1") = "6"
    & skf21("7","7","3","1","7","4","2","1") = "6"
    & skf21("7","7","3","1","7","4","3","1") = "6"
    & skf21("7","7","3","1","7","4","4","1") = "6"
    & skf21("7","7","3","1","7","4","5","1") = "6"
    & skf21("7","7","3","1","7","4","6","1") = "6"
    & skf21("7","7","3","1","7","4","7","1") = "6"
    & skf21("7","7","3","1","7","5","1","1") = "6"
    & skf21("7","7","3","1","7","5","2","1") = "6"
    & skf21("7","7","3","1","7","5","3","1") = "6"
    & skf21("7","7","3","1","7","5","4","1") = "6"
    & skf21("7","7","3","1","7","5","5","1") = "6"
    & skf21("7","7","3","1","7","5","6","1") = "6"
    & skf21("7","7","3","1","7","5","7","1") = "6"
    & skf21("7","7","3","1","7","6","1","1") = "6"
    & skf21("7","7","3","1","7","6","2","1") = "6"
    & skf21("7","7","3","1","7","6","3","1") = "6"
    & skf21("7","7","3","1","7","6","4","1") = "6"
    & skf21("7","7","3","1","7","6","5","1") = "6"
    & skf21("7","7","3","1","7","6","6","1") = "6"
    & skf21("7","7","3","1","7","6","7","1") = "6"
    & skf21("7","7","3","1","7","7","1","1") = "6"
    & skf21("7","7","3","1","7","7","2","1") = "6"
    & skf21("7","7","3","1","7","7","3","1") = "6"
    & skf21("7","7","3","1","7","7","4","1") = "6"
    & skf21("7","7","3","1","7","7","5","1") = "6"
    & skf21("7","7","3","1","7","7","6","1") = "6"
    & skf21("7","7","3","1","7","7","7","1") = "6"
    & skf21("7","7","3","2","1","1","1","1") = "6"
    & skf21("7","7","3","2","1","1","2","1") = "6"
    & skf21("7","7","3","2","1","1","3","1") = "6"
    & skf21("7","7","3","2","1","1","4","1") = "6"
    & skf21("7","7","3","2","1","1","5","1") = "6"
    & skf21("7","7","3","2","1","1","6","1") = "6"
    & skf21("7","7","3","2","1","1","7","1") = "6"
    & skf21("7","7","3","2","1","2","1","1") = "6"
    & skf21("7","7","3","2","1","2","2","1") = "6"
    & skf21("7","7","3","2","1","2","3","1") = "6"
    & skf21("7","7","3","2","1","2","4","1") = "6"
    & skf21("7","7","3","2","1","2","5","1") = "6"
    & skf21("7","7","3","2","1","2","6","1") = "6"
    & skf21("7","7","3","2","1","2","7","1") = "6"
    & skf21("7","7","3","2","1","3","1","1") = "6"
    & skf21("7","7","3","2","1","3","2","1") = "6"
    & skf21("7","7","3","2","1","3","3","1") = "6"
    & skf21("7","7","3","2","1","3","4","1") = "6"
    & skf21("7","7","3","2","1","3","5","1") = "6"
    & skf21("7","7","3","2","1","3","6","1") = "6"
    & skf21("7","7","3","2","1","3","7","1") = "6"
    & skf21("7","7","3","2","1","4","1","1") = "6"
    & skf21("7","7","3","2","1","4","2","1") = "6"
    & skf21("7","7","3","2","1","4","3","1") = "6"
    & skf21("7","7","3","2","1","4","4","1") = "6"
    & skf21("7","7","3","2","1","4","5","1") = "6"
    & skf21("7","7","3","2","1","4","6","1") = "6"
    & skf21("7","7","3","2","1","4","7","1") = "6"
    & skf21("7","7","3","2","1","5","1","1") = "6"
    & skf21("7","7","3","2","1","5","2","1") = "6"
    & skf21("7","7","3","2","1","5","3","1") = "6"
    & skf21("7","7","3","2","1","5","4","1") = "6"
    & skf21("7","7","3","2","1","5","5","1") = "6"
    & skf21("7","7","3","2","1","5","6","1") = "6"
    & skf21("7","7","3","2","1","5","7","1") = "6"
    & skf21("7","7","3","2","1","6","1","1") = "6"
    & skf21("7","7","3","2","1","6","2","1") = "6"
    & skf21("7","7","3","2","1","6","3","1") = "6"
    & skf21("7","7","3","2","1","6","4","1") = "6"
    & skf21("7","7","3","2","1","6","5","1") = "6"
    & skf21("7","7","3","2","1","6","6","1") = "6"
    & skf21("7","7","3","2","1","6","7","1") = "6"
    & skf21("7","7","3","2","1","7","1","1") = "6"
    & skf21("7","7","3","2","1","7","2","1") = "6"
    & skf21("7","7","3","2","1","7","3","1") = "6"
    & skf21("7","7","3","2","1","7","4","1") = "6"
    & skf21("7","7","3","2","1","7","5","1") = "6"
    & skf21("7","7","3","2","1","7","6","1") = "6"
    & skf21("7","7","3","2","1","7","7","1") = "6"
    & skf21("7","7","3","2","2","1","1","1") = "6"
    & skf21("7","7","3","2","2","1","2","1") = "6"
    & skf21("7","7","3","2","2","1","3","1") = "6"
    & skf21("7","7","3","2","2","1","4","1") = "6"
    & skf21("7","7","3","2","2","1","5","1") = "6"
    & skf21("7","7","3","2","2","1","6","1") = "6"
    & skf21("7","7","3","2","2","1","7","1") = "6"
    & skf21("7","7","3","2","2","2","1","1") = "6"
    & skf21("7","7","3","2","2","2","2","1") = "6"
    & skf21("7","7","3","2","2","2","3","1") = "6"
    & skf21("7","7","3","2","2","2","4","1") = "6"
    & skf21("7","7","3","2","2","2","5","1") = "6"
    & skf21("7","7","3","2","2","2","6","1") = "6"
    & skf21("7","7","3","2","2","2","7","1") = "6"
    & skf21("7","7","3","2","2","3","1","1") = "6"
    & skf21("7","7","3","2","2","3","2","1") = "6"
    & skf21("7","7","3","2","2","3","3","1") = "6"
    & skf21("7","7","3","2","2","3","4","1") = "6"
    & skf21("7","7","3","2","2","3","5","1") = "6"
    & skf21("7","7","3","2","2","3","6","1") = "6"
    & skf21("7","7","3","2","2","3","7","1") = "6"
    & skf21("7","7","3","2","2","4","1","1") = "6"
    & skf21("7","7","3","2","2","4","2","1") = "6"
    & skf21("7","7","3","2","2","4","3","1") = "6"
    & skf21("7","7","3","2","2","4","4","1") = "6"
    & skf21("7","7","3","2","2","4","5","1") = "6"
    & skf21("7","7","3","2","2","4","6","1") = "6"
    & skf21("7","7","3","2","2","4","7","1") = "6"
    & skf21("7","7","3","2","2","5","1","1") = "6"
    & skf21("7","7","3","2","2","5","2","1") = "6"
    & skf21("7","7","3","2","2","5","3","1") = "6"
    & skf21("7","7","3","2","2","5","4","1") = "6"
    & skf21("7","7","3","2","2","5","5","1") = "6"
    & skf21("7","7","3","2","2","5","6","1") = "6"
    & skf21("7","7","3","2","2","5","7","1") = "6"
    & skf21("7","7","3","2","2","6","1","1") = "6"
    & skf21("7","7","3","2","2","6","2","1") = "6"
    & skf21("7","7","3","2","2","6","3","1") = "6"
    & skf21("7","7","3","2","2","6","4","1") = "6"
    & skf21("7","7","3","2","2","6","5","1") = "6"
    & skf21("7","7","3","2","2","6","6","1") = "6"
    & skf21("7","7","3","2","2","6","7","1") = "6"
    & skf21("7","7","3","2","2","7","1","1") = "6"
    & skf21("7","7","3","2","2","7","2","1") = "6"
    & skf21("7","7","3","2","2","7","3","1") = "6"
    & skf21("7","7","3","2","2","7","4","1") = "6"
    & skf21("7","7","3","2","2","7","5","1") = "6"
    & skf21("7","7","3","2","2","7","6","1") = "6"
    & skf21("7","7","3","2","2","7","7","1") = "6"
    & skf21("7","7","3","2","3","1","1","1") = "6"
    & skf21("7","7","3","2","3","1","2","1") = "6"
    & skf21("7","7","3","2","3","1","3","1") = "6"
    & skf21("7","7","3","2","3","1","4","1") = "6"
    & skf21("7","7","3","2","3","1","5","1") = "6"
    & skf21("7","7","3","2","3","1","6","1") = "6"
    & skf21("7","7","3","2","3","1","7","1") = "6"
    & skf21("7","7","3","2","3","2","1","1") = "6"
    & skf21("7","7","3","2","3","2","2","1") = "6"
    & skf21("7","7","3","2","3","2","3","1") = "6"
    & skf21("7","7","3","2","3","2","4","1") = "6"
    & skf21("7","7","3","2","3","2","5","1") = "6"
    & skf21("7","7","3","2","3","2","6","1") = "6"
    & skf21("7","7","3","2","3","2","7","1") = "6"
    & skf21("7","7","3","2","3","3","1","1") = "6"
    & skf21("7","7","3","2","3","3","2","1") = "6"
    & skf21("7","7","3","2","3","3","3","1") = "6"
    & skf21("7","7","3","2","3","3","4","1") = "6"
    & skf21("7","7","3","2","3","3","5","1") = "6"
    & skf21("7","7","3","2","3","3","6","1") = "6"
    & skf21("7","7","3","2","3","3","7","1") = "6"
    & skf21("7","7","3","2","3","4","1","1") = "6"
    & skf21("7","7","3","2","3","4","2","1") = "6"
    & skf21("7","7","3","2","3","4","3","1") = "6"
    & skf21("7","7","3","2","3","4","4","1") = "6"
    & skf21("7","7","3","2","3","4","5","1") = "6"
    & skf21("7","7","3","2","3","4","6","1") = "6"
    & skf21("7","7","3","2","3","4","7","1") = "6"
    & skf21("7","7","3","2","3","5","1","1") = "6"
    & skf21("7","7","3","2","3","5","2","1") = "6"
    & skf21("7","7","3","2","3","5","3","1") = "6"
    & skf21("7","7","3","2","3","5","4","1") = "6"
    & skf21("7","7","3","2","3","5","5","1") = "6"
    & skf21("7","7","3","2","3","5","6","1") = "6"
    & skf21("7","7","3","2","3","5","7","1") = "6"
    & skf21("7","7","3","2","3","6","1","1") = "6"
    & skf21("7","7","3","2","3","6","2","1") = "6"
    & skf21("7","7","3","2","3","6","3","1") = "6"
    & skf21("7","7","3","2","3","6","4","1") = "6"
    & skf21("7","7","3","2","3","6","5","1") = "6"
    & skf21("7","7","3","2","3","6","6","1") = "6"
    & skf21("7","7","3","2","3","6","7","1") = "6"
    & skf21("7","7","3","2","3","7","1","1") = "6"
    & skf21("7","7","3","2","3","7","2","1") = "6"
    & skf21("7","7","3","2","3","7","3","1") = "6"
    & skf21("7","7","3","2","3","7","4","1") = "6"
    & skf21("7","7","3","2","3","7","5","1") = "6"
    & skf21("7","7","3","2","3","7","6","1") = "6"
    & skf21("7","7","3","2","3","7","7","1") = "6"
    & skf21("7","7","3","2","4","1","1","1") = "6"
    & skf21("7","7","3","2","4","1","2","1") = "6"
    & skf21("7","7","3","2","4","1","3","1") = "6"
    & skf21("7","7","3","2","4","1","4","1") = "6"
    & skf21("7","7","3","2","4","1","5","1") = "6"
    & skf21("7","7","3","2","4","1","6","1") = "6"
    & skf21("7","7","3","2","4","1","7","1") = "6"
    & skf21("7","7","3","2","4","2","1","1") = "6"
    & skf21("7","7","3","2","4","2","2","1") = "6"
    & skf21("7","7","3","2","4","2","3","1") = "6"
    & skf21("7","7","3","2","4","2","4","1") = "6"
    & skf21("7","7","3","2","4","2","5","1") = "6"
    & skf21("7","7","3","2","4","2","6","1") = "6"
    & skf21("7","7","3","2","4","2","7","1") = "6"
    & skf21("7","7","3","2","4","3","1","1") = "6"
    & skf21("7","7","3","2","4","3","2","1") = "6"
    & skf21("7","7","3","2","4","3","3","1") = "6"
    & skf21("7","7","3","2","4","3","4","1") = "6"
    & skf21("7","7","3","2","4","3","5","1") = "6"
    & skf21("7","7","3","2","4","3","6","1") = "6"
    & skf21("7","7","3","2","4","3","7","1") = "6"
    & skf21("7","7","3","2","4","4","1","1") = "6"
    & skf21("7","7","3","2","4","4","2","1") = "6"
    & skf21("7","7","3","2","4","4","3","1") = "6"
    & skf21("7","7","3","2","4","4","4","1") = "6"
    & skf21("7","7","3","2","4","4","5","1") = "6"
    & skf21("7","7","3","2","4","4","6","1") = "6"
    & skf21("7","7","3","2","4","4","7","1") = "6"
    & skf21("7","7","3","2","4","5","1","1") = "6"
    & skf21("7","7","3","2","4","5","2","1") = "6"
    & skf21("7","7","3","2","4","5","3","1") = "6"
    & skf21("7","7","3","2","4","5","4","1") = "6"
    & skf21("7","7","3","2","4","5","5","1") = "6"
    & skf21("7","7","3","2","4","5","6","1") = "6"
    & skf21("7","7","3","2","4","5","7","1") = "6"
    & skf21("7","7","3","2","4","6","1","1") = "6"
    & skf21("7","7","3","2","4","6","2","1") = "6"
    & skf21("7","7","3","2","4","6","3","1") = "6"
    & skf21("7","7","3","2","4","6","4","1") = "6"
    & skf21("7","7","3","2","4","6","5","1") = "6"
    & skf21("7","7","3","2","4","6","6","1") = "6"
    & skf21("7","7","3","2","4","6","7","1") = "6"
    & skf21("7","7","3","2","4","7","1","1") = "6"
    & skf21("7","7","3","2","4","7","2","1") = "6"
    & skf21("7","7","3","2","4","7","3","1") = "6"
    & skf21("7","7","3","2","4","7","4","1") = "6"
    & skf21("7","7","3","2","4","7","5","1") = "6"
    & skf21("7","7","3","2","4","7","6","1") = "6"
    & skf21("7","7","3","2","4","7","7","1") = "6"
    & skf21("7","7","3","2","5","1","1","1") = "6"
    & skf21("7","7","3","2","5","1","2","1") = "6"
    & skf21("7","7","3","2","5","1","3","1") = "6"
    & skf21("7","7","3","2","5","1","4","1") = "6"
    & skf21("7","7","3","2","5","1","5","1") = "6"
    & skf21("7","7","3","2","5","1","6","1") = "6"
    & skf21("7","7","3","2","5","1","7","1") = "6"
    & skf21("7","7","3","2","5","2","1","1") = "6"
    & skf21("7","7","3","2","5","2","2","1") = "6"
    & skf21("7","7","3","2","5","2","3","1") = "6"
    & skf21("7","7","3","2","5","2","4","1") = "6"
    & skf21("7","7","3","2","5","2","5","1") = "6"
    & skf21("7","7","3","2","5","2","6","1") = "6"
    & skf21("7","7","3","2","5","2","7","1") = "6"
    & skf21("7","7","3","2","5","3","1","1") = "6"
    & skf21("7","7","3","2","5","3","2","1") = "6"
    & skf21("7","7","3","2","5","3","3","1") = "6"
    & skf21("7","7","3","2","5","3","4","1") = "6"
    & skf21("7","7","3","2","5","3","5","1") = "6"
    & skf21("7","7","3","2","5","3","6","1") = "6"
    & skf21("7","7","3","2","5","3","7","1") = "6"
    & skf21("7","7","3","2","5","4","1","1") = "6"
    & skf21("7","7","3","2","5","4","2","1") = "6"
    & skf21("7","7","3","2","5","4","3","1") = "6"
    & skf21("7","7","3","2","5","4","4","1") = "6"
    & skf21("7","7","3","2","5","4","5","1") = "6"
    & skf21("7","7","3","2","5","4","6","1") = "6"
    & skf21("7","7","3","2","5","4","7","1") = "6"
    & skf21("7","7","3","2","5","5","1","1") = "6"
    & skf21("7","7","3","2","5","5","2","1") = "6"
    & skf21("7","7","3","2","5","5","3","1") = "6"
    & skf21("7","7","3","2","5","5","4","1") = "6"
    & skf21("7","7","3","2","5","5","5","1") = "6"
    & skf21("7","7","3","2","5","5","6","1") = "6"
    & skf21("7","7","3","2","5","5","7","1") = "6"
    & skf21("7","7","3","2","5","6","1","1") = "6"
    & skf21("7","7","3","2","5","6","2","1") = "6"
    & skf21("7","7","3","2","5","6","3","1") = "6"
    & skf21("7","7","3","2","5","6","4","1") = "6"
    & skf21("7","7","3","2","5","6","5","1") = "6"
    & skf21("7","7","3","2","5","6","6","1") = "6"
    & skf21("7","7","3","2","5","6","7","1") = "6"
    & skf21("7","7","3","2","5","7","1","1") = "6"
    & skf21("7","7","3","2","5","7","2","1") = "6"
    & skf21("7","7","3","2","5","7","3","1") = "6"
    & skf21("7","7","3","2","5","7","4","1") = "6"
    & skf21("7","7","3","2","5","7","5","1") = "6"
    & skf21("7","7","3","2","5","7","6","1") = "6"
    & skf21("7","7","3","2","5","7","7","1") = "6"
    & skf21("7","7","3","2","6","1","1","1") = "6"
    & skf21("7","7","3","2","6","1","2","1") = "6"
    & skf21("7","7","3","2","6","1","3","1") = "6"
    & skf21("7","7","3","2","6","1","4","1") = "6"
    & skf21("7","7","3","2","6","1","5","1") = "6"
    & skf21("7","7","3","2","6","1","6","1") = "6"
    & skf21("7","7","3","2","6","1","7","1") = "6"
    & skf21("7","7","3","2","6","2","1","1") = "6"
    & skf21("7","7","3","2","6","2","2","1") = "6"
    & skf21("7","7","3","2","6","2","3","1") = "6"
    & skf21("7","7","3","2","6","2","4","1") = "6"
    & skf21("7","7","3","2","6","2","5","1") = "6"
    & skf21("7","7","3","2","6","2","6","1") = "6"
    & skf21("7","7","3","2","6","2","7","1") = "6"
    & skf21("7","7","3","2","6","3","1","1") = "6"
    & skf21("7","7","3","2","6","3","2","1") = "6"
    & skf21("7","7","3","2","6","3","3","1") = "6"
    & skf21("7","7","3","2","6","3","4","1") = "6"
    & skf21("7","7","3","2","6","3","5","1") = "6"
    & skf21("7","7","3","2","6","3","6","1") = "6"
    & skf21("7","7","3","2","6","3","7","1") = "6"
    & skf21("7","7","3","2","6","4","1","1") = "6"
    & skf21("7","7","3","2","6","4","2","1") = "6"
    & skf21("7","7","3","2","6","4","3","1") = "6"
    & skf21("7","7","3","2","6","4","4","1") = "6"
    & skf21("7","7","3","2","6","4","5","1") = "6"
    & skf21("7","7","3","2","6","4","6","1") = "6"
    & skf21("7","7","3","2","6","4","7","1") = "6"
    & skf21("7","7","3","2","6","5","1","1") = "6"
    & skf21("7","7","3","2","6","5","2","1") = "6"
    & skf21("7","7","3","2","6","5","3","1") = "6"
    & skf21("7","7","3","2","6","5","4","1") = "6"
    & skf21("7","7","3","2","6","5","5","1") = "6"
    & skf21("7","7","3","2","6","5","6","1") = "6"
    & skf21("7","7","3","2","6","5","7","1") = "6"
    & skf21("7","7","3","2","6","6","1","1") = "6"
    & skf21("7","7","3","2","6","6","2","1") = "6"
    & skf21("7","7","3","2","6","6","3","1") = "6"
    & skf21("7","7","3","2","6","6","4","1") = "6"
    & skf21("7","7","3","2","6","6","5","1") = "6"
    & skf21("7","7","3","2","6","6","6","1") = "6"
    & skf21("7","7","3","2","6","6","7","1") = "6"
    & skf21("7","7","3","2","6","7","1","1") = "6"
    & skf21("7","7","3","2","6","7","2","1") = "6"
    & skf21("7","7","3","2","6","7","3","1") = "6"
    & skf21("7","7","3","2","6","7","4","1") = "6"
    & skf21("7","7","3","2","6","7","5","1") = "6"
    & skf21("7","7","3","2","6","7","6","1") = "6"
    & skf21("7","7","3","2","6","7","7","1") = "6"
    & skf21("7","7","3","2","7","1","1","1") = "6"
    & skf21("7","7","3","2","7","1","2","1") = "6"
    & skf21("7","7","3","2","7","1","3","1") = "6"
    & skf21("7","7","3","2","7","1","4","1") = "6"
    & skf21("7","7","3","2","7","1","5","1") = "6"
    & skf21("7","7","3","2","7","1","6","1") = "6"
    & skf21("7","7","3","2","7","1","7","1") = "6"
    & skf21("7","7","3","2","7","2","1","1") = "6"
    & skf21("7","7","3","2","7","2","2","1") = "6"
    & skf21("7","7","3","2","7","2","3","1") = "6"
    & skf21("7","7","3","2","7","2","4","1") = "6"
    & skf21("7","7","3","2","7","2","5","1") = "6"
    & skf21("7","7","3","2","7","2","6","1") = "6"
    & skf21("7","7","3","2","7","2","7","1") = "6"
    & skf21("7","7","3","2","7","3","1","1") = "6"
    & skf21("7","7","3","2","7","3","2","1") = "6"
    & skf21("7","7","3","2","7","3","3","1") = "6"
    & skf21("7","7","3","2","7","3","4","1") = "6"
    & skf21("7","7","3","2","7","3","5","1") = "6"
    & skf21("7","7","3","2","7","3","6","1") = "6"
    & skf21("7","7","3","2","7","3","7","1") = "6"
    & skf21("7","7","3","2","7","4","1","1") = "6"
    & skf21("7","7","3","2","7","4","2","1") = "6"
    & skf21("7","7","3","2","7","4","3","1") = "6"
    & skf21("7","7","3","2","7","4","4","1") = "6"
    & skf21("7","7","3","2","7","4","5","1") = "6"
    & skf21("7","7","3","2","7","4","6","1") = "6"
    & skf21("7","7","3","2","7","4","7","1") = "6"
    & skf21("7","7","3","2","7","5","1","1") = "6"
    & skf21("7","7","3","2","7","5","2","1") = "6"
    & skf21("7","7","3","2","7","5","3","1") = "6"
    & skf21("7","7","3","2","7","5","4","1") = "6"
    & skf21("7","7","3","2","7","5","5","1") = "6"
    & skf21("7","7","3","2","7","5","6","1") = "6"
    & skf21("7","7","3","2","7","5","7","1") = "6"
    & skf21("7","7","3","2","7","6","1","1") = "6"
    & skf21("7","7","3","2","7","6","2","1") = "6"
    & skf21("7","7","3","2","7","6","3","1") = "6"
    & skf21("7","7","3","2","7","6","4","1") = "6"
    & skf21("7","7","3","2","7","6","5","1") = "6"
    & skf21("7","7","3","2","7","6","6","1") = "6"
    & skf21("7","7","3","2","7","6","7","1") = "6"
    & skf21("7","7","3","2","7","7","1","1") = "6"
    & skf21("7","7","3","2","7","7","2","1") = "6"
    & skf21("7","7","3","2","7","7","3","1") = "6"
    & skf21("7","7","3","2","7","7","4","1") = "6"
    & skf21("7","7","3","2","7","7","5","1") = "6"
    & skf21("7","7","3","2","7","7","6","1") = "6"
    & skf21("7","7","3","2","7","7","7","1") = "6"
    & skf21("7","7","3","3","1","1","1","1") = "6"
    & skf21("7","7","3","3","1","1","2","1") = "6"
    & skf21("7","7","3","3","1","1","3","1") = "6"
    & skf21("7","7","3","3","1","1","4","1") = "6"
    & skf21("7","7","3","3","1","1","5","1") = "6"
    & skf21("7","7","3","3","1","1","6","1") = "6"
    & skf21("7","7","3","3","1","1","7","1") = "6"
    & skf21("7","7","3","3","1","2","1","1") = "6"
    & skf21("7","7","3","3","1","2","2","1") = "6"
    & skf21("7","7","3","3","1","2","3","1") = "6"
    & skf21("7","7","3","3","1","2","4","1") = "6"
    & skf21("7","7","3","3","1","2","5","1") = "6"
    & skf21("7","7","3","3","1","2","6","1") = "6"
    & skf21("7","7","3","3","1","2","7","1") = "6"
    & skf21("7","7","3","3","1","3","1","1") = "6"
    & skf21("7","7","3","3","1","3","2","1") = "6"
    & skf21("7","7","3","3","1","3","3","1") = "6"
    & skf21("7","7","3","3","1","3","4","1") = "6"
    & skf21("7","7","3","3","1","3","5","1") = "6"
    & skf21("7","7","3","3","1","3","6","1") = "6"
    & skf21("7","7","3","3","1","3","7","1") = "6"
    & skf21("7","7","3","3","1","4","1","1") = "6"
    & skf21("7","7","3","3","1","4","2","1") = "6"
    & skf21("7","7","3","3","1","4","3","1") = "6"
    & skf21("7","7","3","3","1","4","4","1") = "6"
    & skf21("7","7","3","3","1","4","5","1") = "6"
    & skf21("7","7","3","3","1","4","6","1") = "6"
    & skf21("7","7","3","3","1","4","7","1") = "6"
    & skf21("7","7","3","3","1","5","1","1") = "6"
    & skf21("7","7","3","3","1","5","2","1") = "6"
    & skf21("7","7","3","3","1","5","3","1") = "6"
    & skf21("7","7","3","3","1","5","4","1") = "6"
    & skf21("7","7","3","3","1","5","5","1") = "6"
    & skf21("7","7","3","3","1","5","6","1") = "6"
    & skf21("7","7","3","3","1","5","7","1") = "6"
    & skf21("7","7","3","3","1","6","1","1") = "6"
    & skf21("7","7","3","3","1","6","2","1") = "6"
    & skf21("7","7","3","3","1","6","3","1") = "6"
    & skf21("7","7","3","3","1","6","4","1") = "6"
    & skf21("7","7","3","3","1","6","5","1") = "6"
    & skf21("7","7","3","3","1","6","6","1") = "6"
    & skf21("7","7","3","3","1","6","7","1") = "6"
    & skf21("7","7","3","3","1","7","1","1") = "6"
    & skf21("7","7","3","3","1","7","2","1") = "6"
    & skf21("7","7","3","3","1","7","3","1") = "6"
    & skf21("7","7","3","3","1","7","4","1") = "6"
    & skf21("7","7","3","3","1","7","5","1") = "6"
    & skf21("7","7","3","3","1","7","6","1") = "6"
    & skf21("7","7","3","3","1","7","7","1") = "6"
    & skf21("7","7","3","3","2","1","1","1") = "6"
    & skf21("7","7","3","3","2","1","2","1") = "6"
    & skf21("7","7","3","3","2","1","3","1") = "6"
    & skf21("7","7","3","3","2","1","4","1") = "6"
    & skf21("7","7","3","3","2","1","5","1") = "6"
    & skf21("7","7","3","3","2","1","6","1") = "6"
    & skf21("7","7","3","3","2","1","7","1") = "6"
    & skf21("7","7","3","3","2","2","1","1") = "6"
    & skf21("7","7","3","3","2","2","2","1") = "6"
    & skf21("7","7","3","3","2","2","3","1") = "6"
    & skf21("7","7","3","3","2","2","4","1") = "6"
    & skf21("7","7","3","3","2","2","5","1") = "6"
    & skf21("7","7","3","3","2","2","6","1") = "6"
    & skf21("7","7","3","3","2","2","7","1") = "6"
    & skf21("7","7","3","3","2","3","1","1") = "6"
    & skf21("7","7","3","3","2","3","2","1") = "6"
    & skf21("7","7","3","3","2","3","3","1") = "6"
    & skf21("7","7","3","3","2","3","4","1") = "6"
    & skf21("7","7","3","3","2","3","5","1") = "6"
    & skf21("7","7","3","3","2","3","6","1") = "6"
    & skf21("7","7","3","3","2","3","7","1") = "6"
    & skf21("7","7","3","3","2","4","1","1") = "6"
    & skf21("7","7","3","3","2","4","2","1") = "6"
    & skf21("7","7","3","3","2","4","3","1") = "6"
    & skf21("7","7","3","3","2","4","4","1") = "6"
    & skf21("7","7","3","3","2","4","5","1") = "6"
    & skf21("7","7","3","3","2","4","6","1") = "6"
    & skf21("7","7","3","3","2","4","7","1") = "6"
    & skf21("7","7","3","3","2","5","1","1") = "6"
    & skf21("7","7","3","3","2","5","2","1") = "6"
    & skf21("7","7","3","3","2","5","3","1") = "6"
    & skf21("7","7","3","3","2","5","4","1") = "6"
    & skf21("7","7","3","3","2","5","5","1") = "6"
    & skf21("7","7","3","3","2","5","6","1") = "6"
    & skf21("7","7","3","3","2","5","7","1") = "6"
    & skf21("7","7","3","3","2","6","1","1") = "6"
    & skf21("7","7","3","3","2","6","2","1") = "6"
    & skf21("7","7","3","3","2","6","3","1") = "6"
    & skf21("7","7","3","3","2","6","4","1") = "6"
    & skf21("7","7","3","3","2","6","5","1") = "6"
    & skf21("7","7","3","3","2","6","6","1") = "6"
    & skf21("7","7","3","3","2","6","7","1") = "6"
    & skf21("7","7","3","3","2","7","1","1") = "6"
    & skf21("7","7","3","3","2","7","2","1") = "6"
    & skf21("7","7","3","3","2","7","3","1") = "6"
    & skf21("7","7","3","3","2","7","4","1") = "6"
    & skf21("7","7","3","3","2","7","5","1") = "6"
    & skf21("7","7","3","3","2","7","6","1") = "6"
    & skf21("7","7","3","3","2","7","7","1") = "6"
    & skf21("7","7","3","3","3","1","1","1") = "6"
    & skf21("7","7","3","3","3","1","2","1") = "6"
    & skf21("7","7","3","3","3","1","3","1") = "6"
    & skf21("7","7","3","3","3","1","4","1") = "6"
    & skf21("7","7","3","3","3","1","5","1") = "6"
    & skf21("7","7","3","3","3","1","6","1") = "6"
    & skf21("7","7","3","3","3","1","7","1") = "6"
    & skf21("7","7","3","3","3","2","1","1") = "6"
    & skf21("7","7","3","3","3","2","2","1") = "6"
    & skf21("7","7","3","3","3","2","3","1") = "6"
    & skf21("7","7","3","3","3","2","4","1") = "6"
    & skf21("7","7","3","3","3","2","5","1") = "6"
    & skf21("7","7","3","3","3","2","6","1") = "6"
    & skf21("7","7","3","3","3","2","7","1") = "6"
    & skf21("7","7","3","3","3","3","1","1") = "6"
    & skf21("7","7","3","3","3","3","2","1") = "6"
    & skf21("7","7","3","3","3","3","3","1") = "6"
    & skf21("7","7","3","3","3","3","4","1") = "6"
    & skf21("7","7","3","3","3","3","5","1") = "6"
    & skf21("7","7","3","3","3","3","6","1") = "6"
    & skf21("7","7","3","3","3","3","7","1") = "6"
    & skf21("7","7","3","3","3","4","1","1") = "6"
    & skf21("7","7","3","3","3","4","2","1") = "6"
    & skf21("7","7","3","3","3","4","3","1") = "6"
    & skf21("7","7","3","3","3","4","4","1") = "6"
    & skf21("7","7","3","3","3","4","5","1") = "6"
    & skf21("7","7","3","3","3","4","6","1") = "6"
    & skf21("7","7","3","3","3","4","7","1") = "6"
    & skf21("7","7","3","3","3","5","1","1") = "6"
    & skf21("7","7","3","3","3","5","2","1") = "6"
    & skf21("7","7","3","3","3","5","3","1") = "6"
    & skf21("7","7","3","3","3","5","4","1") = "6"
    & skf21("7","7","3","3","3","5","5","1") = "6"
    & skf21("7","7","3","3","3","5","6","1") = "6"
    & skf21("7","7","3","3","3","5","7","1") = "6"
    & skf21("7","7","3","3","3","6","1","1") = "6"
    & skf21("7","7","3","3","3","6","2","1") = "6"
    & skf21("7","7","3","3","3","6","3","1") = "6"
    & skf21("7","7","3","3","3","6","4","1") = "6"
    & skf21("7","7","3","3","3","6","5","1") = "6"
    & skf21("7","7","3","3","3","6","6","1") = "6"
    & skf21("7","7","3","3","3","6","7","1") = "6"
    & skf21("7","7","3","3","3","7","1","1") = "6"
    & skf21("7","7","3","3","3","7","2","1") = "6"
    & skf21("7","7","3","3","3","7","3","1") = "6"
    & skf21("7","7","3","3","3","7","4","1") = "6"
    & skf21("7","7","3","3","3","7","5","1") = "6"
    & skf21("7","7","3","3","3","7","6","1") = "6"
    & skf21("7","7","3","3","3","7","7","1") = "6"
    & skf21("7","7","3","3","4","1","1","1") = "6"
    & skf21("7","7","3","3","4","1","2","1") = "6"
    & skf21("7","7","3","3","4","1","3","1") = "6"
    & skf21("7","7","3","3","4","1","4","1") = "6"
    & skf21("7","7","3","3","4","1","5","1") = "6"
    & skf21("7","7","3","3","4","1","6","1") = "6"
    & skf21("7","7","3","3","4","1","7","1") = "6"
    & skf21("7","7","3","3","4","2","1","1") = "6"
    & skf21("7","7","3","3","4","2","2","1") = "6"
    & skf21("7","7","3","3","4","2","3","1") = "6"
    & skf21("7","7","3","3","4","2","4","1") = "6"
    & skf21("7","7","3","3","4","2","5","1") = "6"
    & skf21("7","7","3","3","4","2","6","1") = "6"
    & skf21("7","7","3","3","4","2","7","1") = "6"
    & skf21("7","7","3","3","4","3","1","1") = "6"
    & skf21("7","7","3","3","4","3","2","1") = "6"
    & skf21("7","7","3","3","4","3","3","1") = "6"
    & skf21("7","7","3","3","4","3","4","1") = "6"
    & skf21("7","7","3","3","4","3","5","1") = "6"
    & skf21("7","7","3","3","4","3","6","1") = "6"
    & skf21("7","7","3","3","4","3","7","1") = "6"
    & skf21("7","7","3","3","4","4","1","1") = "6"
    & skf21("7","7","3","3","4","4","2","1") = "6"
    & skf21("7","7","3","3","4","4","3","1") = "6"
    & skf21("7","7","3","3","4","4","4","1") = "6"
    & skf21("7","7","3","3","4","4","5","1") = "6"
    & skf21("7","7","3","3","4","4","6","1") = "6"
    & skf21("7","7","3","3","4","4","7","1") = "6"
    & skf21("7","7","3","3","4","5","1","1") = "6"
    & skf21("7","7","3","3","4","5","2","1") = "6"
    & skf21("7","7","3","3","4","5","3","1") = "6"
    & skf21("7","7","3","3","4","5","4","1") = "6"
    & skf21("7","7","3","3","4","5","5","1") = "6"
    & skf21("7","7","3","3","4","5","6","1") = "6"
    & skf21("7","7","3","3","4","5","7","1") = "6"
    & skf21("7","7","3","3","4","6","1","1") = "6"
    & skf21("7","7","3","3","4","6","2","1") = "6"
    & skf21("7","7","3","3","4","6","3","1") = "6"
    & skf21("7","7","3","3","4","6","4","1") = "6"
    & skf21("7","7","3","3","4","6","5","1") = "6"
    & skf21("7","7","3","3","4","6","6","1") = "6"
    & skf21("7","7","3","3","4","6","7","1") = "6"
    & skf21("7","7","3","3","4","7","1","1") = "6"
    & skf21("7","7","3","3","4","7","2","1") = "6"
    & skf21("7","7","3","3","4","7","3","1") = "6"
    & skf21("7","7","3","3","4","7","4","1") = "6"
    & skf21("7","7","3","3","4","7","5","1") = "6"
    & skf21("7","7","3","3","4","7","6","1") = "6"
    & skf21("7","7","3","3","4","7","7","1") = "6"
    & skf21("7","7","3","3","5","1","1","1") = "6"
    & skf21("7","7","3","3","5","1","2","1") = "6"
    & skf21("7","7","3","3","5","1","3","1") = "6"
    & skf21("7","7","3","3","5","1","4","1") = "6"
    & skf21("7","7","3","3","5","1","5","1") = "6"
    & skf21("7","7","3","3","5","1","6","1") = "6"
    & skf21("7","7","3","3","5","1","7","1") = "6"
    & skf21("7","7","3","3","5","2","1","1") = "6"
    & skf21("7","7","3","3","5","2","2","1") = "6"
    & skf21("7","7","3","3","5","2","3","1") = "6"
    & skf21("7","7","3","3","5","2","4","1") = "6"
    & skf21("7","7","3","3","5","2","5","1") = "6"
    & skf21("7","7","3","3","5","2","6","1") = "6"
    & skf21("7","7","3","3","5","2","7","1") = "6"
    & skf21("7","7","3","3","5","3","1","1") = "6"
    & skf21("7","7","3","3","5","3","2","1") = "6"
    & skf21("7","7","3","3","5","3","3","1") = "6"
    & skf21("7","7","3","3","5","3","4","1") = "6"
    & skf21("7","7","3","3","5","3","5","1") = "6"
    & skf21("7","7","3","3","5","3","6","1") = "6"
    & skf21("7","7","3","3","5","3","7","1") = "6"
    & skf21("7","7","3","3","5","4","1","1") = "6"
    & skf21("7","7","3","3","5","4","2","1") = "6"
    & skf21("7","7","3","3","5","4","3","1") = "6"
    & skf21("7","7","3","3","5","4","4","1") = "6"
    & skf21("7","7","3","3","5","4","5","1") = "6"
    & skf21("7","7","3","3","5","4","6","1") = "6"
    & skf21("7","7","3","3","5","4","7","1") = "6"
    & skf21("7","7","3","3","5","5","1","1") = "6"
    & skf21("7","7","3","3","5","5","2","1") = "6"
    & skf21("7","7","3","3","5","5","3","1") = "6"
    & skf21("7","7","3","3","5","5","4","1") = "6"
    & skf21("7","7","3","3","5","5","5","1") = "6"
    & skf21("7","7","3","3","5","5","6","1") = "6"
    & skf21("7","7","3","3","5","5","7","1") = "6"
    & skf21("7","7","3","3","5","6","1","1") = "6"
    & skf21("7","7","3","3","5","6","2","1") = "6"
    & skf21("7","7","3","3","5","6","3","1") = "6"
    & skf21("7","7","3","3","5","6","4","1") = "6"
    & skf21("7","7","3","3","5","6","5","1") = "6"
    & skf21("7","7","3","3","5","6","6","1") = "6"
    & skf21("7","7","3","3","5","6","7","1") = "6"
    & skf21("7","7","3","3","5","7","1","1") = "6"
    & skf21("7","7","3","3","5","7","2","1") = "6"
    & skf21("7","7","3","3","5","7","3","1") = "6"
    & skf21("7","7","3","3","5","7","4","1") = "6"
    & skf21("7","7","3","3","5","7","5","1") = "6"
    & skf21("7","7","3","3","5","7","6","1") = "6"
    & skf21("7","7","3","3","5","7","7","1") = "6"
    & skf21("7","7","3","3","6","1","1","1") = "6"
    & skf21("7","7","3","3","6","1","2","1") = "6"
    & skf21("7","7","3","3","6","1","3","1") = "6"
    & skf21("7","7","3","3","6","1","4","1") = "6"
    & skf21("7","7","3","3","6","1","5","1") = "6"
    & skf21("7","7","3","3","6","1","6","1") = "6"
    & skf21("7","7","3","3","6","1","7","1") = "6"
    & skf21("7","7","3","3","6","2","1","1") = "6"
    & skf21("7","7","3","3","6","2","2","1") = "6"
    & skf21("7","7","3","3","6","2","3","1") = "6"
    & skf21("7","7","3","3","6","2","4","1") = "6"
    & skf21("7","7","3","3","6","2","5","1") = "6"
    & skf21("7","7","3","3","6","2","6","1") = "6"
    & skf21("7","7","3","3","6","2","7","1") = "6"
    & skf21("7","7","3","3","6","3","1","1") = "6"
    & skf21("7","7","3","3","6","3","2","1") = "6"
    & skf21("7","7","3","3","6","3","3","1") = "6"
    & skf21("7","7","3","3","6","3","4","1") = "6"
    & skf21("7","7","3","3","6","3","5","1") = "6"
    & skf21("7","7","3","3","6","3","6","1") = "6"
    & skf21("7","7","3","3","6","3","7","1") = "6"
    & skf21("7","7","3","3","6","4","1","1") = "6"
    & skf21("7","7","3","3","6","4","2","1") = "6"
    & skf21("7","7","3","3","6","4","3","1") = "6"
    & skf21("7","7","3","3","6","4","4","1") = "6"
    & skf21("7","7","3","3","6","4","5","1") = "6"
    & skf21("7","7","3","3","6","4","6","1") = "6"
    & skf21("7","7","3","3","6","4","7","1") = "6"
    & skf21("7","7","3","3","6","5","1","1") = "6"
    & skf21("7","7","3","3","6","5","2","1") = "6"
    & skf21("7","7","3","3","6","5","3","1") = "6"
    & skf21("7","7","3","3","6","5","4","1") = "6"
    & skf21("7","7","3","3","6","5","5","1") = "6"
    & skf21("7","7","3","3","6","5","6","1") = "6"
    & skf21("7","7","3","3","6","5","7","1") = "6"
    & skf21("7","7","3","3","6","6","1","1") = "6"
    & skf21("7","7","3","3","6","6","2","1") = "6"
    & skf21("7","7","3","3","6","6","3","1") = "6"
    & skf21("7","7","3","3","6","6","4","1") = "6"
    & skf21("7","7","3","3","6","6","5","1") = "6"
    & skf21("7","7","3","3","6","6","6","1") = "6"
    & skf21("7","7","3","3","6","6","7","1") = "6"
    & skf21("7","7","3","3","6","7","1","1") = "6"
    & skf21("7","7","3","3","6","7","2","1") = "6"
    & skf21("7","7","3","3","6","7","3","1") = "6"
    & skf21("7","7","3","3","6","7","4","1") = "6"
    & skf21("7","7","3","3","6","7","5","1") = "6"
    & skf21("7","7","3","3","6","7","6","1") = "6"
    & skf21("7","7","3","3","6","7","7","1") = "6"
    & skf21("7","7","3","3","7","1","1","1") = "6"
    & skf21("7","7","3","3","7","1","2","1") = "6"
    & skf21("7","7","3","3","7","1","3","1") = "6"
    & skf21("7","7","3","3","7","1","4","1") = "6"
    & skf21("7","7","3","3","7","1","5","1") = "6"
    & skf21("7","7","3","3","7","1","6","1") = "6"
    & skf21("7","7","3","3","7","1","7","1") = "6"
    & skf21("7","7","3","3","7","2","1","1") = "6"
    & skf21("7","7","3","3","7","2","2","1") = "6"
    & skf21("7","7","3","3","7","2","3","1") = "6"
    & skf21("7","7","3","3","7","2","4","1") = "6"
    & skf21("7","7","3","3","7","2","5","1") = "6"
    & skf21("7","7","3","3","7","2","6","1") = "6"
    & skf21("7","7","3","3","7","2","7","1") = "6"
    & skf21("7","7","3","3","7","3","1","1") = "6"
    & skf21("7","7","3","3","7","3","2","1") = "6"
    & skf21("7","7","3","3","7","3","3","1") = "6"
    & skf21("7","7","3","3","7","3","4","1") = "6"
    & skf21("7","7","3","3","7","3","5","1") = "6"
    & skf21("7","7","3","3","7","3","6","1") = "6"
    & skf21("7","7","3","3","7","3","7","1") = "6"
    & skf21("7","7","3","3","7","4","1","1") = "6"
    & skf21("7","7","3","3","7","4","2","1") = "6"
    & skf21("7","7","3","3","7","4","3","1") = "6"
    & skf21("7","7","3","3","7","4","4","1") = "6"
    & skf21("7","7","3","3","7","4","5","1") = "6"
    & skf21("7","7","3","3","7","4","6","1") = "6"
    & skf21("7","7","3","3","7","4","7","1") = "6"
    & skf21("7","7","3","3","7","5","1","1") = "6"
    & skf21("7","7","3","3","7","5","2","1") = "6"
    & skf21("7","7","3","3","7","5","3","1") = "6"
    & skf21("7","7","3","3","7","5","4","1") = "6"
    & skf21("7","7","3","3","7","5","5","1") = "6"
    & skf21("7","7","3","3","7","5","6","1") = "6"
    & skf21("7","7","3","3","7","5","7","1") = "6"
    & skf21("7","7","3","3","7","6","1","1") = "6"
    & skf21("7","7","3","3","7","6","2","1") = "6"
    & skf21("7","7","3","3","7","6","3","1") = "6"
    & skf21("7","7","3","3","7","6","4","1") = "6"
    & skf21("7","7","3","3","7","6","5","1") = "6"
    & skf21("7","7","3","3","7","6","6","1") = "6"
    & skf21("7","7","3","3","7","6","7","1") = "6"
    & skf21("7","7","3","3","7","7","1","1") = "6"
    & skf21("7","7","3","3","7","7","2","1") = "6"
    & skf21("7","7","3","3","7","7","3","1") = "6"
    & skf21("7","7","3","3","7","7","4","1") = "6"
    & skf21("7","7","3","3","7","7","5","1") = "6"
    & skf21("7","7","3","3","7","7","6","1") = "6"
    & skf21("7","7","3","3","7","7","7","1") = "6"
    & skf21("7","7","3","4","1","1","1","1") = "6"
    & skf21("7","7","3","4","1","1","2","1") = "6"
    & skf21("7","7","3","4","1","1","3","1") = "6"
    & skf21("7","7","3","4","1","1","4","1") = "6"
    & skf21("7","7","3","4","1","1","5","1") = "6"
    & skf21("7","7","3","4","1","1","6","1") = "6"
    & skf21("7","7","3","4","1","1","7","1") = "6"
    & skf21("7","7","3","4","1","2","1","1") = "6"
    & skf21("7","7","3","4","1","2","2","1") = "6"
    & skf21("7","7","3","4","1","2","3","1") = "6"
    & skf21("7","7","3","4","1","2","4","1") = "6"
    & skf21("7","7","3","4","1","2","5","1") = "6"
    & skf21("7","7","3","4","1","2","6","1") = "6"
    & skf21("7","7","3","4","1","2","7","1") = "6"
    & skf21("7","7","3","4","1","3","1","1") = "6"
    & skf21("7","7","3","4","1","3","2","1") = "6"
    & skf21("7","7","3","4","1","3","3","1") = "6"
    & skf21("7","7","3","4","1","3","4","1") = "6"
    & skf21("7","7","3","4","1","3","5","1") = "6"
    & skf21("7","7","3","4","1","3","6","1") = "6"
    & skf21("7","7","3","4","1","3","7","1") = "6"
    & skf21("7","7","3","4","1","4","1","1") = "6"
    & skf21("7","7","3","4","1","4","2","1") = "6"
    & skf21("7","7","3","4","1","4","3","1") = "6"
    & skf21("7","7","3","4","1","4","4","1") = "6"
    & skf21("7","7","3","4","1","4","5","1") = "6"
    & skf21("7","7","3","4","1","4","6","1") = "6"
    & skf21("7","7","3","4","1","4","7","1") = "6"
    & skf21("7","7","3","4","1","5","1","1") = "6"
    & skf21("7","7","3","4","1","5","2","1") = "6"
    & skf21("7","7","3","4","1","5","3","1") = "6"
    & skf21("7","7","3","4","1","5","4","1") = "6"
    & skf21("7","7","3","4","1","5","5","1") = "6"
    & skf21("7","7","3","4","1","5","6","1") = "6"
    & skf21("7","7","3","4","1","5","7","1") = "6"
    & skf21("7","7","3","4","1","6","1","1") = "6"
    & skf21("7","7","3","4","1","6","2","1") = "6"
    & skf21("7","7","3","4","1","6","3","1") = "6"
    & skf21("7","7","3","4","1","6","4","1") = "6"
    & skf21("7","7","3","4","1","6","5","1") = "6"
    & skf21("7","7","3","4","1","6","6","1") = "6"
    & skf21("7","7","3","4","1","6","7","1") = "6"
    & skf21("7","7","3","4","1","7","1","1") = "6"
    & skf21("7","7","3","4","1","7","2","1") = "6"
    & skf21("7","7","3","4","1","7","3","1") = "6"
    & skf21("7","7","3","4","1","7","4","1") = "6"
    & skf21("7","7","3","4","1","7","5","1") = "6"
    & skf21("7","7","3","4","1","7","6","1") = "6"
    & skf21("7","7","3","4","1","7","7","1") = "6"
    & skf21("7","7","3","4","2","1","1","1") = "6"
    & skf21("7","7","3","4","2","1","2","1") = "6"
    & skf21("7","7","3","4","2","1","3","1") = "6"
    & skf21("7","7","3","4","2","1","4","1") = "6"
    & skf21("7","7","3","4","2","1","5","1") = "6"
    & skf21("7","7","3","4","2","1","6","1") = "6"
    & skf21("7","7","3","4","2","1","7","1") = "6"
    & skf21("7","7","3","4","2","2","1","1") = "6"
    & skf21("7","7","3","4","2","2","2","1") = "6"
    & skf21("7","7","3","4","2","2","3","1") = "6"
    & skf21("7","7","3","4","2","2","4","1") = "6"
    & skf21("7","7","3","4","2","2","5","1") = "6"
    & skf21("7","7","3","4","2","2","6","1") = "6"
    & skf21("7","7","3","4","2","2","7","1") = "6"
    & skf21("7","7","3","4","2","3","1","1") = "6"
    & skf21("7","7","3","4","2","3","2","1") = "6"
    & skf21("7","7","3","4","2","3","3","1") = "6"
    & skf21("7","7","3","4","2","3","4","1") = "6"
    & skf21("7","7","3","4","2","3","5","1") = "6"
    & skf21("7","7","3","4","2","3","6","1") = "6"
    & skf21("7","7","3","4","2","3","7","1") = "6"
    & skf21("7","7","3","4","2","4","1","1") = "6"
    & skf21("7","7","3","4","2","4","2","1") = "6"
    & skf21("7","7","3","4","2","4","3","1") = "6"
    & skf21("7","7","3","4","2","4","4","1") = "6"
    & skf21("7","7","3","4","2","4","5","1") = "6"
    & skf21("7","7","3","4","2","4","6","1") = "6"
    & skf21("7","7","3","4","2","4","7","1") = "6"
    & skf21("7","7","3","4","2","5","1","1") = "6"
    & skf21("7","7","3","4","2","5","2","1") = "6"
    & skf21("7","7","3","4","2","5","3","1") = "6"
    & skf21("7","7","3","4","2","5","4","1") = "6"
    & skf21("7","7","3","4","2","5","5","1") = "6"
    & skf21("7","7","3","4","2","5","6","1") = "6"
    & skf21("7","7","3","4","2","5","7","1") = "6"
    & skf21("7","7","3","4","2","6","1","1") = "6"
    & skf21("7","7","3","4","2","6","2","1") = "6"
    & skf21("7","7","3","4","2","6","3","1") = "6"
    & skf21("7","7","3","4","2","6","4","1") = "6"
    & skf21("7","7","3","4","2","6","5","1") = "6"
    & skf21("7","7","3","4","2","6","6","1") = "6"
    & skf21("7","7","3","4","2","6","7","1") = "6"
    & skf21("7","7","3","4","2","7","1","1") = "6"
    & skf21("7","7","3","4","2","7","2","1") = "6"
    & skf21("7","7","3","4","2","7","3","1") = "6"
    & skf21("7","7","3","4","2","7","4","1") = "6"
    & skf21("7","7","3","4","2","7","5","1") = "6"
    & skf21("7","7","3","4","2","7","6","1") = "6"
    & skf21("7","7","3","4","2","7","7","1") = "6"
    & skf21("7","7","3","4","3","1","1","1") = "6"
    & skf21("7","7","3","4","3","1","2","1") = "6"
    & skf21("7","7","3","4","3","1","3","1") = "6"
    & skf21("7","7","3","4","3","1","4","1") = "6"
    & skf21("7","7","3","4","3","1","5","1") = "6"
    & skf21("7","7","3","4","3","1","6","1") = "6"
    & skf21("7","7","3","4","3","1","7","1") = "6"
    & skf21("7","7","3","4","3","2","1","1") = "6"
    & skf21("7","7","3","4","3","2","2","1") = "6"
    & skf21("7","7","3","4","3","2","3","1") = "6"
    & skf21("7","7","3","4","3","2","4","1") = "6"
    & skf21("7","7","3","4","3","2","5","1") = "6"
    & skf21("7","7","3","4","3","2","6","1") = "6"
    & skf21("7","7","3","4","3","2","7","1") = "6"
    & skf21("7","7","3","4","3","3","1","1") = "6"
    & skf21("7","7","3","4","3","3","2","1") = "6"
    & skf21("7","7","3","4","3","3","3","1") = "6"
    & skf21("7","7","3","4","3","3","4","1") = "6"
    & skf21("7","7","3","4","3","3","5","1") = "6"
    & skf21("7","7","3","4","3","3","6","1") = "6"
    & skf21("7","7","3","4","3","3","7","1") = "6"
    & skf21("7","7","3","4","3","4","1","1") = "6"
    & skf21("7","7","3","4","3","4","2","1") = "6"
    & skf21("7","7","3","4","3","4","3","1") = "6"
    & skf21("7","7","3","4","3","4","4","1") = "6"
    & skf21("7","7","3","4","3","4","5","1") = "6"
    & skf21("7","7","3","4","3","4","6","1") = "6"
    & skf21("7","7","3","4","3","4","7","1") = "6"
    & skf21("7","7","3","4","3","5","1","1") = "6"
    & skf21("7","7","3","4","3","5","2","1") = "6"
    & skf21("7","7","3","4","3","5","3","1") = "6"
    & skf21("7","7","3","4","3","5","4","1") = "6"
    & skf21("7","7","3","4","3","5","5","1") = "6"
    & skf21("7","7","3","4","3","5","6","1") = "6"
    & skf21("7","7","3","4","3","5","7","1") = "6"
    & skf21("7","7","3","4","3","6","1","1") = "6"
    & skf21("7","7","3","4","3","6","2","1") = "6"
    & skf21("7","7","3","4","3","6","3","1") = "6"
    & skf21("7","7","3","4","3","6","4","1") = "6"
    & skf21("7","7","3","4","3","6","5","1") = "6"
    & skf21("7","7","3","4","3","6","6","1") = "6"
    & skf21("7","7","3","4","3","6","7","1") = "6"
    & skf21("7","7","3","4","3","7","1","1") = "6"
    & skf21("7","7","3","4","3","7","2","1") = "6"
    & skf21("7","7","3","4","3","7","3","1") = "6"
    & skf21("7","7","3","4","3","7","4","1") = "6"
    & skf21("7","7","3","4","3","7","5","1") = "6"
    & skf21("7","7","3","4","3","7","6","1") = "6"
    & skf21("7","7","3","4","3","7","7","1") = "6"
    & skf21("7","7","3","4","4","1","1","1") = "6"
    & skf21("7","7","3","4","4","1","2","1") = "6"
    & skf21("7","7","3","4","4","1","3","1") = "6"
    & skf21("7","7","3","4","4","1","4","1") = "6"
    & skf21("7","7","3","4","4","1","5","1") = "6"
    & skf21("7","7","3","4","4","1","6","1") = "6"
    & skf21("7","7","3","4","4","1","7","1") = "6"
    & skf21("7","7","3","4","4","2","1","1") = "6"
    & skf21("7","7","3","4","4","2","2","1") = "6"
    & skf21("7","7","3","4","4","2","3","1") = "6"
    & skf21("7","7","3","4","4","2","4","1") = "6"
    & skf21("7","7","3","4","4","2","5","1") = "6"
    & skf21("7","7","3","4","4","2","6","1") = "6"
    & skf21("7","7","3","4","4","2","7","1") = "6"
    & skf21("7","7","3","4","4","3","1","1") = "6"
    & skf21("7","7","3","4","4","3","2","1") = "6"
    & skf21("7","7","3","4","4","3","3","1") = "6"
    & skf21("7","7","3","4","4","3","4","1") = "6"
    & skf21("7","7","3","4","4","3","5","1") = "6"
    & skf21("7","7","3","4","4","3","6","1") = "6"
    & skf21("7","7","3","4","4","3","7","1") = "6"
    & skf21("7","7","3","4","4","4","1","1") = "6"
    & skf21("7","7","3","4","4","4","2","1") = "6"
    & skf21("7","7","3","4","4","4","3","1") = "6"
    & skf21("7","7","3","4","4","4","4","1") = "6"
    & skf21("7","7","3","4","4","4","5","1") = "6"
    & skf21("7","7","3","4","4","4","6","1") = "6"
    & skf21("7","7","3","4","4","4","7","1") = "6"
    & skf21("7","7","3","4","4","5","1","1") = "6"
    & skf21("7","7","3","4","4","5","2","1") = "6"
    & skf21("7","7","3","4","4","5","3","1") = "6"
    & skf21("7","7","3","4","4","5","4","1") = "6"
    & skf21("7","7","3","4","4","5","5","1") = "6"
    & skf21("7","7","3","4","4","5","6","1") = "6"
    & skf21("7","7","3","4","4","5","7","1") = "6"
    & skf21("7","7","3","4","4","6","1","1") = "6"
    & skf21("7","7","3","4","4","6","2","1") = "6"
    & skf21("7","7","3","4","4","6","3","1") = "6"
    & skf21("7","7","3","4","4","6","4","1") = "6"
    & skf21("7","7","3","4","4","6","5","1") = "6"
    & skf21("7","7","3","4","4","6","6","1") = "6"
    & skf21("7","7","3","4","4","6","7","1") = "6"
    & skf21("7","7","3","4","4","7","1","1") = "6"
    & skf21("7","7","3","4","4","7","2","1") = "6"
    & skf21("7","7","3","4","4","7","3","1") = "6"
    & skf21("7","7","3","4","4","7","4","1") = "6"
    & skf21("7","7","3","4","4","7","5","1") = "6"
    & skf21("7","7","3","4","4","7","6","1") = "6"
    & skf21("7","7","3","4","4","7","7","1") = "6"
    & skf21("7","7","3","4","5","1","1","1") = "6"
    & skf21("7","7","3","4","5","1","2","1") = "6"
    & skf21("7","7","3","4","5","1","3","1") = "6"
    & skf21("7","7","3","4","5","1","4","1") = "6"
    & skf21("7","7","3","4","5","1","5","1") = "6"
    & skf21("7","7","3","4","5","1","6","1") = "6"
    & skf21("7","7","3","4","5","1","7","1") = "6"
    & skf21("7","7","3","4","5","2","1","1") = "6"
    & skf21("7","7","3","4","5","2","2","1") = "6"
    & skf21("7","7","3","4","5","2","3","1") = "6"
    & skf21("7","7","3","4","5","2","4","1") = "6"
    & skf21("7","7","3","4","5","2","5","1") = "6"
    & skf21("7","7","3","4","5","2","6","1") = "6"
    & skf21("7","7","3","4","5","2","7","1") = "6"
    & skf21("7","7","3","4","5","3","1","1") = "6"
    & skf21("7","7","3","4","5","3","2","1") = "6"
    & skf21("7","7","3","4","5","3","3","1") = "6"
    & skf21("7","7","3","4","5","3","4","1") = "6"
    & skf21("7","7","3","4","5","3","5","1") = "6"
    & skf21("7","7","3","4","5","3","6","1") = "6"
    & skf21("7","7","3","4","5","3","7","1") = "6"
    & skf21("7","7","3","4","5","4","1","1") = "6"
    & skf21("7","7","3","4","5","4","2","1") = "6"
    & skf21("7","7","3","4","5","4","3","1") = "6"
    & skf21("7","7","3","4","5","4","4","1") = "6"
    & skf21("7","7","3","4","5","4","5","1") = "6"
    & skf21("7","7","3","4","5","4","6","1") = "6"
    & skf21("7","7","3","4","5","4","7","1") = "6"
    & skf21("7","7","3","4","5","5","1","1") = "6"
    & skf21("7","7","3","4","5","5","2","1") = "6"
    & skf21("7","7","3","4","5","5","3","1") = "6"
    & skf21("7","7","3","4","5","5","4","1") = "6"
    & skf21("7","7","3","4","5","5","5","1") = "6"
    & skf21("7","7","3","4","5","5","6","1") = "6"
    & skf21("7","7","3","4","5","5","7","1") = "6"
    & skf21("7","7","3","4","5","6","1","1") = "6"
    & skf21("7","7","3","4","5","6","2","1") = "6"
    & skf21("7","7","3","4","5","6","3","1") = "6"
    & skf21("7","7","3","4","5","6","4","1") = "6"
    & skf21("7","7","3","4","5","6","5","1") = "6"
    & skf21("7","7","3","4","5","6","6","1") = "6"
    & skf21("7","7","3","4","5","6","7","1") = "6"
    & skf21("7","7","3","4","5","7","1","1") = "6"
    & skf21("7","7","3","4","5","7","2","1") = "6"
    & skf21("7","7","3","4","5","7","3","1") = "6"
    & skf21("7","7","3","4","5","7","4","1") = "6"
    & skf21("7","7","3","4","5","7","5","1") = "6"
    & skf21("7","7","3","4","5","7","6","1") = "6"
    & skf21("7","7","3","4","5","7","7","1") = "6"
    & skf21("7","7","3","4","6","1","1","1") = "6"
    & skf21("7","7","3","4","6","1","2","1") = "6"
    & skf21("7","7","3","4","6","1","3","1") = "6"
    & skf21("7","7","3","4","6","1","4","1") = "6"
    & skf21("7","7","3","4","6","1","5","1") = "6"
    & skf21("7","7","3","4","6","1","6","1") = "6"
    & skf21("7","7","3","4","6","1","7","1") = "6"
    & skf21("7","7","3","4","6","2","1","1") = "6"
    & skf21("7","7","3","4","6","2","2","1") = "6"
    & skf21("7","7","3","4","6","2","3","1") = "6"
    & skf21("7","7","3","4","6","2","4","1") = "6"
    & skf21("7","7","3","4","6","2","5","1") = "6"
    & skf21("7","7","3","4","6","2","6","1") = "6"
    & skf21("7","7","3","4","6","2","7","1") = "6"
    & skf21("7","7","3","4","6","3","1","1") = "6"
    & skf21("7","7","3","4","6","3","2","1") = "6"
    & skf21("7","7","3","4","6","3","3","1") = "6"
    & skf21("7","7","3","4","6","3","4","1") = "6"
    & skf21("7","7","3","4","6","3","5","1") = "6"
    & skf21("7","7","3","4","6","3","6","1") = "6"
    & skf21("7","7","3","4","6","3","7","1") = "6"
    & skf21("7","7","3","4","6","4","1","1") = "6"
    & skf21("7","7","3","4","6","4","2","1") = "6"
    & skf21("7","7","3","4","6","4","3","1") = "6"
    & skf21("7","7","3","4","6","4","4","1") = "6"
    & skf21("7","7","3","4","6","4","5","1") = "6"
    & skf21("7","7","3","4","6","4","6","1") = "6"
    & skf21("7","7","3","4","6","4","7","1") = "6"
    & skf21("7","7","3","4","6","5","1","1") = "6"
    & skf21("7","7","3","4","6","5","2","1") = "6"
    & skf21("7","7","3","4","6","5","3","1") = "6"
    & skf21("7","7","3","4","6","5","4","1") = "6"
    & skf21("7","7","3","4","6","5","5","1") = "6"
    & skf21("7","7","3","4","6","5","6","1") = "6"
    & skf21("7","7","3","4","6","5","7","1") = "6"
    & skf21("7","7","3","4","6","6","1","1") = "6"
    & skf21("7","7","3","4","6","6","2","1") = "6"
    & skf21("7","7","3","4","6","6","3","1") = "6"
    & skf21("7","7","3","4","6","6","4","1") = "6"
    & skf21("7","7","3","4","6","6","5","1") = "6"
    & skf21("7","7","3","4","6","6","6","1") = "6"
    & skf21("7","7","3","4","6","6","7","1") = "6"
    & skf21("7","7","3","4","6","7","1","1") = "6"
    & skf21("7","7","3","4","6","7","2","1") = "6"
    & skf21("7","7","3","4","6","7","3","1") = "6"
    & skf21("7","7","3","4","6","7","4","1") = "6"
    & skf21("7","7","3","4","6","7","5","1") = "6"
    & skf21("7","7","3","4","6","7","6","1") = "6"
    & skf21("7","7","3","4","6","7","7","1") = "6"
    & skf21("7","7","3","4","7","1","1","1") = "6"
    & skf21("7","7","3","4","7","1","2","1") = "6"
    & skf21("7","7","3","4","7","1","3","1") = "6"
    & skf21("7","7","3","4","7","1","4","1") = "6"
    & skf21("7","7","3","4","7","1","5","1") = "6"
    & skf21("7","7","3","4","7","1","6","1") = "6"
    & skf21("7","7","3","4","7","1","7","1") = "6"
    & skf21("7","7","3","4","7","2","1","1") = "6"
    & skf21("7","7","3","4","7","2","2","1") = "6"
    & skf21("7","7","3","4","7","2","3","1") = "6"
    & skf21("7","7","3","4","7","2","4","1") = "6"
    & skf21("7","7","3","4","7","2","5","1") = "6"
    & skf21("7","7","3","4","7","2","6","1") = "6"
    & skf21("7","7","3","4","7","2","7","1") = "6"
    & skf21("7","7","3","4","7","3","1","1") = "6"
    & skf21("7","7","3","4","7","3","2","1") = "6"
    & skf21("7","7","3","4","7","3","3","1") = "6"
    & skf21("7","7","3","4","7","3","4","1") = "6"
    & skf21("7","7","3","4","7","3","5","1") = "6"
    & skf21("7","7","3","4","7","3","6","1") = "6"
    & skf21("7","7","3","4","7","3","7","1") = "6"
    & skf21("7","7","3","4","7","4","1","1") = "6"
    & skf21("7","7","3","4","7","4","2","1") = "6"
    & skf21("7","7","3","4","7","4","3","1") = "6"
    & skf21("7","7","3","4","7","4","4","1") = "6"
    & skf21("7","7","3","4","7","4","5","1") = "6"
    & skf21("7","7","3","4","7","4","6","1") = "6"
    & skf21("7","7","3","4","7","4","7","1") = "6"
    & skf21("7","7","3","4","7","5","1","1") = "6"
    & skf21("7","7","3","4","7","5","2","1") = "6"
    & skf21("7","7","3","4","7","5","3","1") = "6"
    & skf21("7","7","3","4","7","5","4","1") = "6"
    & skf21("7","7","3","4","7","5","5","1") = "6"
    & skf21("7","7","3","4","7","5","6","1") = "6"
    & skf21("7","7","3","4","7","5","7","1") = "6"
    & skf21("7","7","3","4","7","6","1","1") = "6"
    & skf21("7","7","3","4","7","6","2","1") = "6"
    & skf21("7","7","3","4","7","6","3","1") = "6"
    & skf21("7","7","3","4","7","6","4","1") = "6"
    & skf21("7","7","3","4","7","6","5","1") = "6"
    & skf21("7","7","3","4","7","6","6","1") = "6"
    & skf21("7","7","3","4","7","6","7","1") = "6"
    & skf21("7","7","3","4","7","7","1","1") = "6"
    & skf21("7","7","3","4","7","7","2","1") = "6"
    & skf21("7","7","3","4","7","7","3","1") = "6"
    & skf21("7","7","3","4","7","7","4","1") = "6"
    & skf21("7","7","3","4","7","7","5","1") = "6"
    & skf21("7","7","3","4","7","7","6","1") = "6"
    & skf21("7","7","3","4","7","7","7","1") = "6"
    & skf21("7","7","3","5","1","1","1","1") = "6"
    & skf21("7","7","3","5","1","1","2","1") = "6"
    & skf21("7","7","3","5","1","1","3","1") = "6"
    & skf21("7","7","3","5","1","1","4","1") = "6"
    & skf21("7","7","3","5","1","1","5","1") = "6"
    & skf21("7","7","3","5","1","1","6","1") = "6"
    & skf21("7","7","3","5","1","1","7","1") = "6"
    & skf21("7","7","3","5","1","2","1","1") = "6"
    & skf21("7","7","3","5","1","2","2","1") = "6"
    & skf21("7","7","3","5","1","2","3","1") = "6"
    & skf21("7","7","3","5","1","2","4","1") = "6"
    & skf21("7","7","3","5","1","2","5","1") = "6"
    & skf21("7","7","3","5","1","2","6","1") = "6"
    & skf21("7","7","3","5","1","2","7","1") = "6"
    & skf21("7","7","3","5","1","3","1","1") = "6"
    & skf21("7","7","3","5","1","3","2","1") = "6"
    & skf21("7","7","3","5","1","3","3","1") = "6"
    & skf21("7","7","3","5","1","3","4","1") = "6"
    & skf21("7","7","3","5","1","3","5","1") = "6"
    & skf21("7","7","3","5","1","3","6","1") = "6"
    & skf21("7","7","3","5","1","3","7","1") = "6"
    & skf21("7","7","3","5","1","4","1","1") = "6"
    & skf21("7","7","3","5","1","4","2","1") = "6"
    & skf21("7","7","3","5","1","4","3","1") = "6"
    & skf21("7","7","3","5","1","4","4","1") = "6"
    & skf21("7","7","3","5","1","4","5","1") = "6"
    & skf21("7","7","3","5","1","4","6","1") = "6"
    & skf21("7","7","3","5","1","4","7","1") = "6"
    & skf21("7","7","3","5","1","5","1","1") = "6"
    & skf21("7","7","3","5","1","5","2","1") = "6"
    & skf21("7","7","3","5","1","5","3","1") = "6"
    & skf21("7","7","3","5","1","5","4","1") = "6"
    & skf21("7","7","3","5","1","5","5","1") = "6"
    & skf21("7","7","3","5","1","5","6","1") = "6"
    & skf21("7","7","3","5","1","5","7","1") = "6"
    & skf21("7","7","3","5","1","6","1","1") = "6"
    & skf21("7","7","3","5","1","6","2","1") = "6"
    & skf21("7","7","3","5","1","6","3","1") = "6"
    & skf21("7","7","3","5","1","6","4","1") = "6"
    & skf21("7","7","3","5","1","6","5","1") = "6"
    & skf21("7","7","3","5","1","6","6","1") = "6"
    & skf21("7","7","3","5","1","6","7","1") = "6"
    & skf21("7","7","3","5","1","7","1","1") = "6"
    & skf21("7","7","3","5","1","7","2","1") = "6"
    & skf21("7","7","3","5","1","7","3","1") = "6"
    & skf21("7","7","3","5","1","7","4","1") = "6"
    & skf21("7","7","3","5","1","7","5","1") = "6"
    & skf21("7","7","3","5","1","7","6","1") = "6"
    & skf21("7","7","3","5","1","7","7","1") = "6"
    & skf21("7","7","3","5","2","1","1","1") = "6"
    & skf21("7","7","3","5","2","1","2","1") = "6"
    & skf21("7","7","3","5","2","1","3","1") = "6"
    & skf21("7","7","3","5","2","1","4","1") = "6"
    & skf21("7","7","3","5","2","1","5","1") = "6"
    & skf21("7","7","3","5","2","1","6","1") = "6"
    & skf21("7","7","3","5","2","1","7","1") = "6"
    & skf21("7","7","3","5","2","2","1","1") = "6"
    & skf21("7","7","3","5","2","2","2","1") = "6"
    & skf21("7","7","3","5","2","2","3","1") = "6"
    & skf21("7","7","3","5","2","2","4","1") = "6"
    & skf21("7","7","3","5","2","2","5","1") = "6"
    & skf21("7","7","3","5","2","2","6","1") = "6"
    & skf21("7","7","3","5","2","2","7","1") = "6"
    & skf21("7","7","3","5","2","3","1","1") = "6"
    & skf21("7","7","3","5","2","3","2","1") = "6"
    & skf21("7","7","3","5","2","3","3","1") = "6"
    & skf21("7","7","3","5","2","3","4","1") = "6"
    & skf21("7","7","3","5","2","3","5","1") = "6"
    & skf21("7","7","3","5","2","3","6","1") = "6"
    & skf21("7","7","3","5","2","3","7","1") = "6"
    & skf21("7","7","3","5","2","4","1","1") = "6"
    & skf21("7","7","3","5","2","4","2","1") = "6"
    & skf21("7","7","3","5","2","4","3","1") = "6"
    & skf21("7","7","3","5","2","4","4","1") = "6"
    & skf21("7","7","3","5","2","4","5","1") = "6"
    & skf21("7","7","3","5","2","4","6","1") = "6"
    & skf21("7","7","3","5","2","4","7","1") = "6"
    & skf21("7","7","3","5","2","5","1","1") = "6"
    & skf21("7","7","3","5","2","5","2","1") = "6"
    & skf21("7","7","3","5","2","5","3","1") = "6"
    & skf21("7","7","3","5","2","5","4","1") = "6"
    & skf21("7","7","3","5","2","5","5","1") = "6"
    & skf21("7","7","3","5","2","5","6","1") = "6"
    & skf21("7","7","3","5","2","5","7","1") = "6"
    & skf21("7","7","3","5","2","6","1","1") = "6"
    & skf21("7","7","3","5","2","6","2","1") = "6"
    & skf21("7","7","3","5","2","6","3","1") = "6"
    & skf21("7","7","3","5","2","6","4","1") = "6"
    & skf21("7","7","3","5","2","6","5","1") = "6"
    & skf21("7","7","3","5","2","6","6","1") = "6"
    & skf21("7","7","3","5","2","6","7","1") = "6"
    & skf21("7","7","3","5","2","7","1","1") = "6"
    & skf21("7","7","3","5","2","7","2","1") = "6"
    & skf21("7","7","3","5","2","7","3","1") = "6"
    & skf21("7","7","3","5","2","7","4","1") = "6"
    & skf21("7","7","3","5","2","7","5","1") = "6"
    & skf21("7","7","3","5","2","7","6","1") = "6"
    & skf21("7","7","3","5","2","7","7","1") = "6"
    & skf21("7","7","3","5","3","1","1","1") = "6"
    & skf21("7","7","3","5","3","1","2","1") = "6"
    & skf21("7","7","3","5","3","1","3","1") = "6"
    & skf21("7","7","3","5","3","1","4","1") = "6"
    & skf21("7","7","3","5","3","1","5","1") = "6"
    & skf21("7","7","3","5","3","1","6","1") = "6"
    & skf21("7","7","3","5","3","1","7","1") = "6"
    & skf21("7","7","3","5","3","2","1","1") = "6"
    & skf21("7","7","3","5","3","2","2","1") = "6"
    & skf21("7","7","3","5","3","2","3","1") = "6"
    & skf21("7","7","3","5","3","2","4","1") = "6"
    & skf21("7","7","3","5","3","2","5","1") = "6"
    & skf21("7","7","3","5","3","2","6","1") = "6"
    & skf21("7","7","3","5","3","2","7","1") = "6"
    & skf21("7","7","3","5","3","3","1","1") = "6"
    & skf21("7","7","3","5","3","3","2","1") = "6"
    & skf21("7","7","3","5","3","3","3","1") = "6"
    & skf21("7","7","3","5","3","3","4","1") = "6"
    & skf21("7","7","3","5","3","3","5","1") = "6"
    & skf21("7","7","3","5","3","3","6","1") = "6"
    & skf21("7","7","3","5","3","3","7","1") = "6"
    & skf21("7","7","3","5","3","4","1","1") = "6"
    & skf21("7","7","3","5","3","4","2","1") = "6"
    & skf21("7","7","3","5","3","4","3","1") = "6"
    & skf21("7","7","3","5","3","4","4","1") = "6"
    & skf21("7","7","3","5","3","4","5","1") = "6"
    & skf21("7","7","3","5","3","4","6","1") = "6"
    & skf21("7","7","3","5","3","4","7","1") = "6"
    & skf21("7","7","3","5","3","5","1","1") = "6"
    & skf21("7","7","3","5","3","5","2","1") = "6"
    & skf21("7","7","3","5","3","5","3","1") = "6"
    & skf21("7","7","3","5","3","5","4","1") = "6"
    & skf21("7","7","3","5","3","5","5","1") = "6"
    & skf21("7","7","3","5","3","5","6","1") = "6"
    & skf21("7","7","3","5","3","5","7","1") = "6"
    & skf21("7","7","3","5","3","6","1","1") = "6"
    & skf21("7","7","3","5","3","6","2","1") = "6"
    & skf21("7","7","3","5","3","6","3","1") = "6"
    & skf21("7","7","3","5","3","6","4","1") = "6"
    & skf21("7","7","3","5","3","6","5","1") = "6"
    & skf21("7","7","3","5","3","6","6","1") = "6"
    & skf21("7","7","3","5","3","6","7","1") = "6"
    & skf21("7","7","3","5","3","7","1","1") = "6"
    & skf21("7","7","3","5","3","7","2","1") = "6"
    & skf21("7","7","3","5","3","7","3","1") = "6"
    & skf21("7","7","3","5","3","7","4","1") = "6"
    & skf21("7","7","3","5","3","7","5","1") = "6"
    & skf21("7","7","3","5","3","7","6","1") = "6"
    & skf21("7","7","3","5","3","7","7","1") = "6"
    & skf21("7","7","3","5","4","1","1","1") = "6"
    & skf21("7","7","3","5","4","1","2","1") = "6"
    & skf21("7","7","3","5","4","1","3","1") = "6"
    & skf21("7","7","3","5","4","1","4","1") = "6"
    & skf21("7","7","3","5","4","1","5","1") = "6"
    & skf21("7","7","3","5","4","1","6","1") = "6"
    & skf21("7","7","3","5","4","1","7","1") = "6"
    & skf21("7","7","3","5","4","2","1","1") = "6"
    & skf21("7","7","3","5","4","2","2","1") = "6"
    & skf21("7","7","3","5","4","2","3","1") = "6"
    & skf21("7","7","3","5","4","2","4","1") = "6"
    & skf21("7","7","3","5","4","2","5","1") = "6"
    & skf21("7","7","3","5","4","2","6","1") = "6"
    & skf21("7","7","3","5","4","2","7","1") = "6"
    & skf21("7","7","3","5","4","3","1","1") = "6"
    & skf21("7","7","3","5","4","3","2","1") = "6"
    & skf21("7","7","3","5","4","3","3","1") = "6"
    & skf21("7","7","3","5","4","3","4","1") = "6"
    & skf21("7","7","3","5","4","3","5","1") = "6"
    & skf21("7","7","3","5","4","3","6","1") = "6"
    & skf21("7","7","3","5","4","3","7","1") = "6"
    & skf21("7","7","3","5","4","4","1","1") = "6"
    & skf21("7","7","3","5","4","4","2","1") = "6"
    & skf21("7","7","3","5","4","4","3","1") = "6"
    & skf21("7","7","3","5","4","4","4","1") = "6"
    & skf21("7","7","3","5","4","4","5","1") = "6"
    & skf21("7","7","3","5","4","4","6","1") = "6"
    & skf21("7","7","3","5","4","4","7","1") = "6"
    & skf21("7","7","3","5","4","5","1","1") = "6"
    & skf21("7","7","3","5","4","5","2","1") = "6"
    & skf21("7","7","3","5","4","5","3","1") = "6"
    & skf21("7","7","3","5","4","5","4","1") = "6"
    & skf21("7","7","3","5","4","5","5","1") = "6"
    & skf21("7","7","3","5","4","5","6","1") = "6"
    & skf21("7","7","3","5","4","5","7","1") = "6"
    & skf21("7","7","3","5","4","6","1","1") = "6"
    & skf21("7","7","3","5","4","6","2","1") = "6"
    & skf21("7","7","3","5","4","6","3","1") = "6"
    & skf21("7","7","3","5","4","6","4","1") = "6"
    & skf21("7","7","3","5","4","6","5","1") = "6"
    & skf21("7","7","3","5","4","6","6","1") = "6"
    & skf21("7","7","3","5","4","6","7","1") = "6"
    & skf21("7","7","3","5","4","7","1","1") = "6"
    & skf21("7","7","3","5","4","7","2","1") = "6"
    & skf21("7","7","3","5","4","7","3","1") = "6"
    & skf21("7","7","3","5","4","7","4","1") = "6"
    & skf21("7","7","3","5","4","7","5","1") = "6"
    & skf21("7","7","3","5","4","7","6","1") = "6"
    & skf21("7","7","3","5","4","7","7","1") = "6"
    & skf21("7","7","3","5","5","1","1","1") = "6"
    & skf21("7","7","3","5","5","1","2","1") = "6"
    & skf21("7","7","3","5","5","1","3","1") = "6"
    & skf21("7","7","3","5","5","1","4","1") = "6"
    & skf21("7","7","3","5","5","1","5","1") = "6"
    & skf21("7","7","3","5","5","1","6","1") = "6"
    & skf21("7","7","3","5","5","1","7","1") = "6"
    & skf21("7","7","3","5","5","2","1","1") = "6"
    & skf21("7","7","3","5","5","2","2","1") = "6"
    & skf21("7","7","3","5","5","2","3","1") = "6"
    & skf21("7","7","3","5","5","2","4","1") = "6"
    & skf21("7","7","3","5","5","2","5","1") = "6"
    & skf21("7","7","3","5","5","2","6","1") = "6"
    & skf21("7","7","3","5","5","2","7","1") = "6"
    & skf21("7","7","3","5","5","3","1","1") = "6"
    & skf21("7","7","3","5","5","3","2","1") = "6"
    & skf21("7","7","3","5","5","3","3","1") = "6"
    & skf21("7","7","3","5","5","3","4","1") = "6"
    & skf21("7","7","3","5","5","3","5","1") = "6"
    & skf21("7","7","3","5","5","3","6","1") = "6"
    & skf21("7","7","3","5","5","3","7","1") = "6"
    & skf21("7","7","3","5","5","4","1","1") = "6"
    & skf21("7","7","3","5","5","4","2","1") = "6"
    & skf21("7","7","3","5","5","4","3","1") = "6"
    & skf21("7","7","3","5","5","4","4","1") = "6"
    & skf21("7","7","3","5","5","4","5","1") = "6"
    & skf21("7","7","3","5","5","4","6","1") = "6"
    & skf21("7","7","3","5","5","4","7","1") = "6"
    & skf21("7","7","3","5","5","5","1","1") = "6"
    & skf21("7","7","3","5","5","5","2","1") = "6"
    & skf21("7","7","3","5","5","5","3","1") = "6"
    & skf21("7","7","3","5","5","5","4","1") = "6"
    & skf21("7","7","3","5","5","5","5","1") = "6"
    & skf21("7","7","3","5","5","5","6","1") = "6"
    & skf21("7","7","3","5","5","5","7","1") = "6"
    & skf21("7","7","3","5","5","6","1","1") = "6"
    & skf21("7","7","3","5","5","6","2","1") = "6"
    & skf21("7","7","3","5","5","6","3","1") = "6"
    & skf21("7","7","3","5","5","6","4","1") = "6"
    & skf21("7","7","3","5","5","6","5","1") = "6"
    & skf21("7","7","3","5","5","6","6","1") = "6"
    & skf21("7","7","3","5","5","6","7","1") = "6"
    & skf21("7","7","3","5","5","7","1","1") = "6"
    & skf21("7","7","3","5","5","7","2","1") = "6"
    & skf21("7","7","3","5","5","7","3","1") = "6"
    & skf21("7","7","3","5","5","7","4","1") = "6"
    & skf21("7","7","3","5","5","7","5","1") = "6"
    & skf21("7","7","3","5","5","7","6","1") = "6"
    & skf21("7","7","3","5","5","7","7","1") = "6"
    & skf21("7","7","3","5","6","1","1","1") = "6"
    & skf21("7","7","3","5","6","1","2","1") = "6"
    & skf21("7","7","3","5","6","1","3","1") = "6"
    & skf21("7","7","3","5","6","1","4","1") = "6"
    & skf21("7","7","3","5","6","1","5","1") = "6"
    & skf21("7","7","3","5","6","1","6","1") = "6"
    & skf21("7","7","3","5","6","1","7","1") = "6"
    & skf21("7","7","3","5","6","2","1","1") = "6"
    & skf21("7","7","3","5","6","2","2","1") = "6"
    & skf21("7","7","3","5","6","2","3","1") = "6"
    & skf21("7","7","3","5","6","2","4","1") = "6"
    & skf21("7","7","3","5","6","2","5","1") = "6"
    & skf21("7","7","3","5","6","2","6","1") = "6"
    & skf21("7","7","3","5","6","2","7","1") = "6"
    & skf21("7","7","3","5","6","3","1","1") = "6"
    & skf21("7","7","3","5","6","3","2","1") = "6"
    & skf21("7","7","3","5","6","3","3","1") = "6"
    & skf21("7","7","3","5","6","3","4","1") = "6"
    & skf21("7","7","3","5","6","3","5","1") = "6"
    & skf21("7","7","3","5","6","3","6","1") = "6"
    & skf21("7","7","3","5","6","3","7","1") = "6"
    & skf21("7","7","3","5","6","4","1","1") = "6"
    & skf21("7","7","3","5","6","4","2","1") = "6"
    & skf21("7","7","3","5","6","4","3","1") = "6"
    & skf21("7","7","3","5","6","4","4","1") = "6"
    & skf21("7","7","3","5","6","4","5","1") = "6"
    & skf21("7","7","3","5","6","4","6","1") = "6"
    & skf21("7","7","3","5","6","4","7","1") = "6"
    & skf21("7","7","3","5","6","5","1","1") = "6"
    & skf21("7","7","3","5","6","5","2","1") = "6"
    & skf21("7","7","3","5","6","5","3","1") = "6"
    & skf21("7","7","3","5","6","5","4","1") = "6"
    & skf21("7","7","3","5","6","5","5","1") = "6"
    & skf21("7","7","3","5","6","5","6","1") = "6"
    & skf21("7","7","3","5","6","5","7","1") = "6"
    & skf21("7","7","3","5","6","6","1","1") = "6"
    & skf21("7","7","3","5","6","6","2","1") = "6"
    & skf21("7","7","3","5","6","6","3","1") = "6"
    & skf21("7","7","3","5","6","6","4","1") = "6"
    & skf21("7","7","3","5","6","6","5","1") = "6"
    & skf21("7","7","3","5","6","6","6","1") = "6"
    & skf21("7","7","3","5","6","6","7","1") = "6"
    & skf21("7","7","3","5","6","7","1","1") = "6"
    & skf21("7","7","3","5","6","7","2","1") = "6"
    & skf21("7","7","3","5","6","7","3","1") = "6"
    & skf21("7","7","3","5","6","7","4","1") = "6"
    & skf21("7","7","3","5","6","7","5","1") = "6"
    & skf21("7","7","3","5","6","7","6","1") = "6"
    & skf21("7","7","3","5","6","7","7","1") = "6"
    & skf21("7","7","3","5","7","1","1","1") = "6"
    & skf21("7","7","3","5","7","1","2","1") = "6"
    & skf21("7","7","3","5","7","1","3","1") = "6"
    & skf21("7","7","3","5","7","1","4","1") = "6"
    & skf21("7","7","3","5","7","1","5","1") = "6"
    & skf21("7","7","3","5","7","1","6","1") = "6"
    & skf21("7","7","3","5","7","1","7","1") = "6"
    & skf21("7","7","3","5","7","2","1","1") = "6"
    & skf21("7","7","3","5","7","2","2","1") = "6"
    & skf21("7","7","3","5","7","2","3","1") = "6"
    & skf21("7","7","3","5","7","2","4","1") = "6"
    & skf21("7","7","3","5","7","2","5","1") = "6"
    & skf21("7","7","3","5","7","2","6","1") = "6"
    & skf21("7","7","3","5","7","2","7","1") = "6"
    & skf21("7","7","3","5","7","3","1","1") = "6"
    & skf21("7","7","3","5","7","3","2","1") = "6"
    & skf21("7","7","3","5","7","3","3","1") = "6"
    & skf21("7","7","3","5","7","3","4","1") = "6"
    & skf21("7","7","3","5","7","3","5","1") = "6"
    & skf21("7","7","3","5","7","3","6","1") = "6"
    & skf21("7","7","3","5","7","3","7","1") = "6"
    & skf21("7","7","3","5","7","4","1","1") = "6"
    & skf21("7","7","3","5","7","4","2","1") = "6"
    & skf21("7","7","3","5","7","4","3","1") = "6"
    & skf21("7","7","3","5","7","4","4","1") = "6"
    & skf21("7","7","3","5","7","4","5","1") = "6"
    & skf21("7","7","3","5","7","4","6","1") = "6"
    & skf21("7","7","3","5","7","4","7","1") = "6"
    & skf21("7","7","3","5","7","5","1","1") = "6"
    & skf21("7","7","3","5","7","5","2","1") = "6"
    & skf21("7","7","3","5","7","5","3","1") = "6"
    & skf21("7","7","3","5","7","5","4","1") = "6"
    & skf21("7","7","3","5","7","5","5","1") = "6"
    & skf21("7","7","3","5","7","5","6","1") = "6"
    & skf21("7","7","3","5","7","5","7","1") = "6"
    & skf21("7","7","3","5","7","6","1","1") = "6"
    & skf21("7","7","3","5","7","6","2","1") = "6"
    & skf21("7","7","3","5","7","6","3","1") = "6"
    & skf21("7","7","3","5","7","6","4","1") = "6"
    & skf21("7","7","3","5","7","6","5","1") = "6"
    & skf21("7","7","3","5","7","6","6","1") = "6"
    & skf21("7","7","3","5","7","6","7","1") = "6"
    & skf21("7","7","3","5","7","7","1","1") = "6"
    & skf21("7","7","3","5","7","7","2","1") = "6"
    & skf21("7","7","3","5","7","7","3","1") = "6"
    & skf21("7","7","3","5","7","7","4","1") = "6"
    & skf21("7","7","3","5","7","7","5","1") = "6"
    & skf21("7","7","3","5","7","7","6","1") = "6"
    & skf21("7","7","3","5","7","7","7","1") = "6"
    & skf21("7","7","3","6","1","1","1","1") = "6"
    & skf21("7","7","3","6","1","1","2","1") = "6"
    & skf21("7","7","3","6","1","1","3","1") = "6"
    & skf21("7","7","3","6","1","1","4","1") = "6"
    & skf21("7","7","3","6","1","1","5","1") = "6"
    & skf21("7","7","3","6","1","1","6","1") = "6"
    & skf21("7","7","3","6","1","1","7","1") = "6"
    & skf21("7","7","3","6","1","2","1","1") = "6"
    & skf21("7","7","3","6","1","2","2","1") = "6"
    & skf21("7","7","3","6","1","2","3","1") = "6"
    & skf21("7","7","3","6","1","2","4","1") = "6"
    & skf21("7","7","3","6","1","2","5","1") = "6"
    & skf21("7","7","3","6","1","2","6","1") = "6"
    & skf21("7","7","3","6","1","2","7","1") = "6"
    & skf21("7","7","3","6","1","3","1","1") = "6"
    & skf21("7","7","3","6","1","3","2","1") = "6"
    & skf21("7","7","3","6","1","3","3","1") = "6"
    & skf21("7","7","3","6","1","3","4","1") = "6"
    & skf21("7","7","3","6","1","3","5","1") = "6"
    & skf21("7","7","3","6","1","3","6","1") = "6"
    & skf21("7","7","3","6","1","3","7","1") = "6"
    & skf21("7","7","3","6","1","4","1","1") = "6"
    & skf21("7","7","3","6","1","4","2","1") = "6"
    & skf21("7","7","3","6","1","4","3","1") = "6"
    & skf21("7","7","3","6","1","4","4","1") = "6"
    & skf21("7","7","3","6","1","4","5","1") = "6"
    & skf21("7","7","3","6","1","4","6","1") = "6"
    & skf21("7","7","3","6","1","4","7","1") = "6"
    & skf21("7","7","3","6","1","5","1","1") = "6"
    & skf21("7","7","3","6","1","5","2","1") = "6"
    & skf21("7","7","3","6","1","5","3","1") = "6"
    & skf21("7","7","3","6","1","5","4","1") = "6"
    & skf21("7","7","3","6","1","5","5","1") = "6"
    & skf21("7","7","3","6","1","5","6","1") = "6"
    & skf21("7","7","3","6","1","5","7","1") = "6"
    & skf21("7","7","3","6","1","6","1","1") = "6"
    & skf21("7","7","3","6","1","6","2","1") = "6"
    & skf21("7","7","3","6","1","6","3","1") = "6"
    & skf21("7","7","3","6","1","6","4","1") = "6"
    & skf21("7","7","3","6","1","6","5","1") = "6"
    & skf21("7","7","3","6","1","6","6","1") = "6"
    & skf21("7","7","3","6","1","6","7","1") = "6"
    & skf21("7","7","3","6","1","7","1","1") = "6"
    & skf21("7","7","3","6","1","7","2","1") = "6"
    & skf21("7","7","3","6","1","7","3","1") = "6"
    & skf21("7","7","3","6","1","7","4","1") = "6"
    & skf21("7","7","3","6","1","7","5","1") = "6"
    & skf21("7","7","3","6","1","7","6","1") = "6"
    & skf21("7","7","3","6","1","7","7","1") = "6"
    & skf21("7","7","3","6","2","1","1","1") = "6"
    & skf21("7","7","3","6","2","1","2","1") = "6"
    & skf21("7","7","3","6","2","1","3","1") = "6"
    & skf21("7","7","3","6","2","1","4","1") = "6"
    & skf21("7","7","3","6","2","1","5","1") = "6"
    & skf21("7","7","3","6","2","1","6","1") = "6"
    & skf21("7","7","3","6","2","1","7","1") = "6"
    & skf21("7","7","3","6","2","2","1","1") = "6"
    & skf21("7","7","3","6","2","2","2","1") = "6"
    & skf21("7","7","3","6","2","2","3","1") = "6"
    & skf21("7","7","3","6","2","2","4","1") = "6"
    & skf21("7","7","3","6","2","2","5","1") = "6"
    & skf21("7","7","3","6","2","2","6","1") = "6"
    & skf21("7","7","3","6","2","2","7","1") = "6"
    & skf21("7","7","3","6","2","3","1","1") = "6"
    & skf21("7","7","3","6","2","3","2","1") = "6"
    & skf21("7","7","3","6","2","3","3","1") = "6"
    & skf21("7","7","3","6","2","3","4","1") = "6"
    & skf21("7","7","3","6","2","3","5","1") = "6"
    & skf21("7","7","3","6","2","3","6","1") = "6"
    & skf21("7","7","3","6","2","3","7","1") = "6"
    & skf21("7","7","3","6","2","4","1","1") = "6"
    & skf21("7","7","3","6","2","4","2","1") = "6"
    & skf21("7","7","3","6","2","4","3","1") = "6"
    & skf21("7","7","3","6","2","4","4","1") = "6"
    & skf21("7","7","3","6","2","4","5","1") = "6"
    & skf21("7","7","3","6","2","4","6","1") = "6"
    & skf21("7","7","3","6","2","4","7","1") = "6"
    & skf21("7","7","3","6","2","5","1","1") = "6"
    & skf21("7","7","3","6","2","5","2","1") = "6"
    & skf21("7","7","3","6","2","5","3","1") = "6"
    & skf21("7","7","3","6","2","5","4","1") = "6"
    & skf21("7","7","3","6","2","5","5","1") = "6"
    & skf21("7","7","3","6","2","5","6","1") = "6"
    & skf21("7","7","3","6","2","5","7","1") = "6"
    & skf21("7","7","3","6","2","6","1","1") = "6"
    & skf21("7","7","3","6","2","6","2","1") = "6"
    & skf21("7","7","3","6","2","6","3","1") = "6"
    & skf21("7","7","3","6","2","6","4","1") = "6"
    & skf21("7","7","3","6","2","6","5","1") = "6"
    & skf21("7","7","3","6","2","6","6","1") = "6"
    & skf21("7","7","3","6","2","6","7","1") = "6"
    & skf21("7","7","3","6","2","7","1","1") = "6"
    & skf21("7","7","3","6","2","7","2","1") = "6"
    & skf21("7","7","3","6","2","7","3","1") = "6"
    & skf21("7","7","3","6","2","7","4","1") = "6"
    & skf21("7","7","3","6","2","7","5","1") = "6"
    & skf21("7","7","3","6","2","7","6","1") = "6"
    & skf21("7","7","3","6","2","7","7","1") = "6"
    & skf21("7","7","3","6","3","1","1","1") = "6"
    & skf21("7","7","3","6","3","1","2","1") = "6"
    & skf21("7","7","3","6","3","1","3","1") = "6"
    & skf21("7","7","3","6","3","1","4","1") = "6"
    & skf21("7","7","3","6","3","1","5","1") = "6"
    & skf21("7","7","3","6","3","1","6","1") = "6"
    & skf21("7","7","3","6","3","1","7","1") = "6"
    & skf21("7","7","3","6","3","2","1","1") = "6"
    & skf21("7","7","3","6","3","2","2","1") = "6"
    & skf21("7","7","3","6","3","2","3","1") = "6"
    & skf21("7","7","3","6","3","2","4","1") = "6"
    & skf21("7","7","3","6","3","2","5","1") = "6"
    & skf21("7","7","3","6","3","2","6","1") = "6"
    & skf21("7","7","3","6","3","2","7","1") = "6"
    & skf21("7","7","3","6","3","3","1","1") = "6"
    & skf21("7","7","3","6","3","3","2","1") = "6"
    & skf21("7","7","3","6","3","3","3","1") = "6"
    & skf21("7","7","3","6","3","3","4","1") = "6"
    & skf21("7","7","3","6","3","3","5","1") = "6"
    & skf21("7","7","3","6","3","3","6","1") = "6"
    & skf21("7","7","3","6","3","3","7","1") = "6"
    & skf21("7","7","3","6","3","4","1","1") = "6"
    & skf21("7","7","3","6","3","4","2","1") = "6"
    & skf21("7","7","3","6","3","4","3","1") = "6"
    & skf21("7","7","3","6","3","4","4","1") = "6"
    & skf21("7","7","3","6","3","4","5","1") = "6"
    & skf21("7","7","3","6","3","4","6","1") = "6"
    & skf21("7","7","3","6","3","4","7","1") = "6"
    & skf21("7","7","3","6","3","5","1","1") = "6"
    & skf21("7","7","3","6","3","5","2","1") = "6"
    & skf21("7","7","3","6","3","5","3","1") = "6"
    & skf21("7","7","3","6","3","5","4","1") = "6"
    & skf21("7","7","3","6","3","5","5","1") = "6"
    & skf21("7","7","3","6","3","5","6","1") = "6"
    & skf21("7","7","3","6","3","5","7","1") = "6"
    & skf21("7","7","3","6","3","6","1","1") = "6"
    & skf21("7","7","3","6","3","6","2","1") = "6"
    & skf21("7","7","3","6","3","6","3","1") = "6"
    & skf21("7","7","3","6","3","6","4","1") = "6"
    & skf21("7","7","3","6","3","6","5","1") = "6"
    & skf21("7","7","3","6","3","6","6","1") = "6"
    & skf21("7","7","3","6","3","6","7","1") = "6"
    & skf21("7","7","3","6","3","7","1","1") = "6"
    & skf21("7","7","3","6","3","7","2","1") = "6"
    & skf21("7","7","3","6","3","7","3","1") = "6"
    & skf21("7","7","3","6","3","7","4","1") = "6"
    & skf21("7","7","3","6","3","7","5","1") = "6"
    & skf21("7","7","3","6","3","7","6","1") = "6"
    & skf21("7","7","3","6","3","7","7","1") = "6"
    & skf21("7","7","3","6","4","1","1","1") = "6"
    & skf21("7","7","3","6","4","1","2","1") = "6"
    & skf21("7","7","3","6","4","1","3","1") = "6"
    & skf21("7","7","3","6","4","1","4","1") = "6"
    & skf21("7","7","3","6","4","1","5","1") = "6"
    & skf21("7","7","3","6","4","1","6","1") = "6"
    & skf21("7","7","3","6","4","1","7","1") = "6"
    & skf21("7","7","3","6","4","2","1","1") = "6"
    & skf21("7","7","3","6","4","2","2","1") = "6"
    & skf21("7","7","3","6","4","2","3","1") = "6"
    & skf21("7","7","3","6","4","2","4","1") = "6"
    & skf21("7","7","3","6","4","2","5","1") = "6"
    & skf21("7","7","3","6","4","2","6","1") = "6"
    & skf21("7","7","3","6","4","2","7","1") = "6"
    & skf21("7","7","3","6","4","3","1","1") = "6"
    & skf21("7","7","3","6","4","3","2","1") = "6"
    & skf21("7","7","3","6","4","3","3","1") = "6"
    & skf21("7","7","3","6","4","3","4","1") = "6"
    & skf21("7","7","3","6","4","3","5","1") = "6"
    & skf21("7","7","3","6","4","3","6","1") = "6"
    & skf21("7","7","3","6","4","3","7","1") = "6"
    & skf21("7","7","3","6","4","4","1","1") = "6"
    & skf21("7","7","3","6","4","4","2","1") = "6"
    & skf21("7","7","3","6","4","4","3","1") = "6"
    & skf21("7","7","3","6","4","4","4","1") = "6"
    & skf21("7","7","3","6","4","4","5","1") = "6"
    & skf21("7","7","3","6","4","4","6","1") = "6"
    & skf21("7","7","3","6","4","4","7","1") = "6"
    & skf21("7","7","3","6","4","5","1","1") = "6"
    & skf21("7","7","3","6","4","5","2","1") = "6"
    & skf21("7","7","3","6","4","5","3","1") = "6"
    & skf21("7","7","3","6","4","5","4","1") = "6"
    & skf21("7","7","3","6","4","5","5","1") = "6"
    & skf21("7","7","3","6","4","5","6","1") = "6"
    & skf21("7","7","3","6","4","5","7","1") = "6"
    & skf21("7","7","3","6","4","6","1","1") = "6"
    & skf21("7","7","3","6","4","6","2","1") = "6"
    & skf21("7","7","3","6","4","6","3","1") = "6"
    & skf21("7","7","3","6","4","6","4","1") = "6"
    & skf21("7","7","3","6","4","6","5","1") = "6"
    & skf21("7","7","3","6","4","6","6","1") = "6"
    & skf21("7","7","3","6","4","6","7","1") = "6"
    & skf21("7","7","3","6","4","7","1","1") = "6"
    & skf21("7","7","3","6","4","7","2","1") = "6"
    & skf21("7","7","3","6","4","7","3","1") = "6"
    & skf21("7","7","3","6","4","7","4","1") = "6"
    & skf21("7","7","3","6","4","7","5","1") = "6"
    & skf21("7","7","3","6","4","7","6","1") = "6"
    & skf21("7","7","3","6","4","7","7","1") = "6"
    & skf21("7","7","3","6","5","1","1","1") = "6"
    & skf21("7","7","3","6","5","1","2","1") = "6"
    & skf21("7","7","3","6","5","1","3","1") = "6"
    & skf21("7","7","3","6","5","1","4","1") = "6"
    & skf21("7","7","3","6","5","1","5","1") = "6"
    & skf21("7","7","3","6","5","1","6","1") = "6"
    & skf21("7","7","3","6","5","1","7","1") = "6"
    & skf21("7","7","3","6","5","2","1","1") = "6"
    & skf21("7","7","3","6","5","2","2","1") = "6"
    & skf21("7","7","3","6","5","2","3","1") = "6"
    & skf21("7","7","3","6","5","2","4","1") = "6"
    & skf21("7","7","3","6","5","2","5","1") = "6"
    & skf21("7","7","3","6","5","2","6","1") = "6"
    & skf21("7","7","3","6","5","2","7","1") = "6"
    & skf21("7","7","3","6","5","3","1","1") = "6"
    & skf21("7","7","3","6","5","3","2","1") = "6"
    & skf21("7","7","3","6","5","3","3","1") = "6"
    & skf21("7","7","3","6","5","3","4","1") = "6"
    & skf21("7","7","3","6","5","3","5","1") = "6"
    & skf21("7","7","3","6","5","3","6","1") = "6"
    & skf21("7","7","3","6","5","3","7","1") = "6"
    & skf21("7","7","3","6","5","4","1","1") = "6"
    & skf21("7","7","3","6","5","4","2","1") = "6"
    & skf21("7","7","3","6","5","4","3","1") = "6"
    & skf21("7","7","3","6","5","4","4","1") = "6"
    & skf21("7","7","3","6","5","4","5","1") = "6"
    & skf21("7","7","3","6","5","4","6","1") = "6"
    & skf21("7","7","3","6","5","4","7","1") = "6"
    & skf21("7","7","3","6","5","5","1","1") = "6"
    & skf21("7","7","3","6","5","5","2","1") = "6"
    & skf21("7","7","3","6","5","5","3","1") = "6"
    & skf21("7","7","3","6","5","5","4","1") = "6"
    & skf21("7","7","3","6","5","5","5","1") = "6"
    & skf21("7","7","3","6","5","5","6","1") = "6"
    & skf21("7","7","3","6","5","5","7","1") = "6"
    & skf21("7","7","3","6","5","6","1","1") = "6"
    & skf21("7","7","3","6","5","6","2","1") = "6"
    & skf21("7","7","3","6","5","6","3","1") = "6"
    & skf21("7","7","3","6","5","6","4","1") = "6"
    & skf21("7","7","3","6","5","6","5","1") = "6"
    & skf21("7","7","3","6","5","6","6","1") = "6"
    & skf21("7","7","3","6","5","6","7","1") = "6"
    & skf21("7","7","3","6","5","7","1","1") = "6"
    & skf21("7","7","3","6","5","7","2","1") = "6"
    & skf21("7","7","3","6","5","7","3","1") = "6"
    & skf21("7","7","3","6","5","7","4","1") = "6"
    & skf21("7","7","3","6","5","7","5","1") = "6"
    & skf21("7","7","3","6","5","7","6","1") = "6"
    & skf21("7","7","3","6","5","7","7","1") = "6"
    & skf21("7","7","3","6","6","1","1","1") = "6"
    & skf21("7","7","3","6","6","1","2","1") = "6"
    & skf21("7","7","3","6","6","1","3","1") = "6"
    & skf21("7","7","3","6","6","1","4","1") = "6"
    & skf21("7","7","3","6","6","1","5","1") = "6"
    & skf21("7","7","3","6","6","1","6","1") = "6"
    & skf21("7","7","3","6","6","1","7","1") = "6"
    & skf21("7","7","3","6","6","2","1","1") = "6"
    & skf21("7","7","3","6","6","2","2","1") = "6"
    & skf21("7","7","3","6","6","2","3","1") = "6"
    & skf21("7","7","3","6","6","2","4","1") = "6"
    & skf21("7","7","3","6","6","2","5","1") = "6"
    & skf21("7","7","3","6","6","2","6","1") = "6"
    & skf21("7","7","3","6","6","2","7","1") = "6"
    & skf21("7","7","3","6","6","3","1","1") = "6"
    & skf21("7","7","3","6","6","3","2","1") = "6"
    & skf21("7","7","3","6","6","3","3","1") = "6"
    & skf21("7","7","3","6","6","3","4","1") = "6"
    & skf21("7","7","3","6","6","3","5","1") = "6"
    & skf21("7","7","3","6","6","3","6","1") = "6"
    & skf21("7","7","3","6","6","3","7","1") = "6"
    & skf21("7","7","3","6","6","4","1","1") = "6"
    & skf21("7","7","3","6","6","4","2","1") = "6"
    & skf21("7","7","3","6","6","4","3","1") = "6"
    & skf21("7","7","3","6","6","4","4","1") = "6"
    & skf21("7","7","3","6","6","4","5","1") = "6"
    & skf21("7","7","3","6","6","4","6","1") = "6"
    & skf21("7","7","3","6","6","4","7","1") = "6"
    & skf21("7","7","3","6","6","5","1","1") = "6"
    & skf21("7","7","3","6","6","5","2","1") = "6"
    & skf21("7","7","3","6","6","5","3","1") = "6"
    & skf21("7","7","3","6","6","5","4","1") = "6"
    & skf21("7","7","3","6","6","5","5","1") = "6"
    & skf21("7","7","3","6","6","5","6","1") = "6"
    & skf21("7","7","3","6","6","5","7","1") = "6"
    & skf21("7","7","3","6","6","6","1","1") = "6"
    & skf21("7","7","3","6","6","6","2","1") = "6"
    & skf21("7","7","3","6","6","6","3","1") = "6"
    & skf21("7","7","3","6","6","6","4","1") = "6"
    & skf21("7","7","3","6","6","6","5","1") = "6"
    & skf21("7","7","3","6","6","6","6","1") = "6"
    & skf21("7","7","3","6","6","6","7","1") = "6"
    & skf21("7","7","3","6","6","7","1","1") = "6"
    & skf21("7","7","3","6","6","7","2","1") = "6"
    & skf21("7","7","3","6","6","7","3","1") = "6"
    & skf21("7","7","3","6","6","7","4","1") = "6"
    & skf21("7","7","3","6","6","7","5","1") = "6"
    & skf21("7","7","3","6","6","7","6","1") = "6"
    & skf21("7","7","3","6","6","7","7","1") = "6"
    & skf21("7","7","3","6","7","1","1","1") = "6"
    & skf21("7","7","3","6","7","1","2","1") = "6"
    & skf21("7","7","3","6","7","1","3","1") = "6"
    & skf21("7","7","3","6","7","1","4","1") = "6"
    & skf21("7","7","3","6","7","1","5","1") = "6"
    & skf21("7","7","3","6","7","1","6","1") = "6"
    & skf21("7","7","3","6","7","1","7","1") = "6"
    & skf21("7","7","3","6","7","2","1","1") = "6"
    & skf21("7","7","3","6","7","2","2","1") = "6"
    & skf21("7","7","3","6","7","2","3","1") = "6"
    & skf21("7","7","3","6","7","2","4","1") = "6"
    & skf21("7","7","3","6","7","2","5","1") = "6"
    & skf21("7","7","3","6","7","2","6","1") = "6"
    & skf21("7","7","3","6","7","2","7","1") = "6"
    & skf21("7","7","3","6","7","3","1","1") = "6"
    & skf21("7","7","3","6","7","3","2","1") = "6"
    & skf21("7","7","3","6","7","3","3","1") = "6"
    & skf21("7","7","3","6","7","3","4","1") = "6"
    & skf21("7","7","3","6","7","3","5","1") = "6"
    & skf21("7","7","3","6","7","3","6","1") = "6"
    & skf21("7","7","3","6","7","3","7","1") = "6"
    & skf21("7","7","3","6","7","4","1","1") = "6"
    & skf21("7","7","3","6","7","4","2","1") = "6"
    & skf21("7","7","3","6","7","4","3","1") = "6"
    & skf21("7","7","3","6","7","4","4","1") = "6"
    & skf21("7","7","3","6","7","4","5","1") = "6"
    & skf21("7","7","3","6","7","4","6","1") = "6"
    & skf21("7","7","3","6","7","4","7","1") = "6"
    & skf21("7","7","3","6","7","5","1","1") = "6"
    & skf21("7","7","3","6","7","5","2","1") = "6"
    & skf21("7","7","3","6","7","5","3","1") = "6"
    & skf21("7","7","3","6","7","5","4","1") = "6"
    & skf21("7","7","3","6","7","5","5","1") = "6"
    & skf21("7","7","3","6","7","5","6","1") = "6"
    & skf21("7","7","3","6","7","5","7","1") = "6"
    & skf21("7","7","3","6","7","6","1","1") = "6"
    & skf21("7","7","3","6","7","6","2","1") = "6"
    & skf21("7","7","3","6","7","6","3","1") = "6"
    & skf21("7","7","3","6","7","6","4","1") = "6"
    & skf21("7","7","3","6","7","6","5","1") = "6"
    & skf21("7","7","3","6","7","6","6","1") = "6"
    & skf21("7","7","3","6","7","6","7","1") = "6"
    & skf21("7","7","3","6","7","7","1","1") = "6"
    & skf21("7","7","3","6","7","7","2","1") = "6"
    & skf21("7","7","3","6","7","7","3","1") = "6"
    & skf21("7","7","3","6","7","7","4","1") = "6"
    & skf21("7","7","3","6","7","7","5","1") = "6"
    & skf21("7","7","3","6","7","7","6","1") = "6"
    & skf21("7","7","3","6","7","7","7","1") = "6"
    & skf21("7","7","3","7","1","1","1","1") = "6"
    & skf21("7","7","3","7","1","1","2","1") = "6"
    & skf21("7","7","3","7","1","1","3","1") = "6"
    & skf21("7","7","3","7","1","1","4","1") = "6"
    & skf21("7","7","3","7","1","1","5","1") = "6"
    & skf21("7","7","3","7","1","1","6","1") = "6"
    & skf21("7","7","3","7","1","1","7","1") = "6"
    & skf21("7","7","3","7","1","2","1","1") = "6"
    & skf21("7","7","3","7","1","2","2","1") = "6"
    & skf21("7","7","3","7","1","2","3","1") = "6"
    & skf21("7","7","3","7","1","2","4","1") = "6"
    & skf21("7","7","3","7","1","2","5","1") = "6"
    & skf21("7","7","3","7","1","2","6","1") = "6"
    & skf21("7","7","3","7","1","2","7","1") = "6"
    & skf21("7","7","3","7","1","3","1","1") = "6"
    & skf21("7","7","3","7","1","3","2","1") = "6"
    & skf21("7","7","3","7","1","3","3","1") = "6"
    & skf21("7","7","3","7","1","3","4","1") = "6"
    & skf21("7","7","3","7","1","3","5","1") = "6"
    & skf21("7","7","3","7","1","3","6","1") = "6"
    & skf21("7","7","3","7","1","3","7","1") = "6"
    & skf21("7","7","3","7","1","4","1","1") = "6"
    & skf21("7","7","3","7","1","4","2","1") = "6"
    & skf21("7","7","3","7","1","4","3","1") = "6"
    & skf21("7","7","3","7","1","4","4","1") = "6"
    & skf21("7","7","3","7","1","4","5","1") = "6"
    & skf21("7","7","3","7","1","4","6","1") = "6"
    & skf21("7","7","3","7","1","4","7","1") = "6"
    & skf21("7","7","3","7","1","5","1","1") = "6"
    & skf21("7","7","3","7","1","5","2","1") = "6"
    & skf21("7","7","3","7","1","5","3","1") = "6"
    & skf21("7","7","3","7","1","5","4","1") = "6"
    & skf21("7","7","3","7","1","5","5","1") = "6"
    & skf21("7","7","3","7","1","5","6","1") = "6"
    & skf21("7","7","3","7","1","5","7","1") = "6"
    & skf21("7","7","3","7","1","6","1","1") = "6"
    & skf21("7","7","3","7","1","6","2","1") = "6"
    & skf21("7","7","3","7","1","6","3","1") = "6"
    & skf21("7","7","3","7","1","6","4","1") = "6"
    & skf21("7","7","3","7","1","6","5","1") = "6"
    & skf21("7","7","3","7","1","6","6","1") = "6"
    & skf21("7","7","3","7","1","6","7","1") = "6"
    & skf21("7","7","3","7","1","7","1","1") = "6"
    & skf21("7","7","3","7","1","7","2","1") = "6"
    & skf21("7","7","3","7","1","7","3","1") = "6"
    & skf21("7","7","3","7","1","7","4","1") = "6"
    & skf21("7","7","3","7","1","7","5","1") = "6"
    & skf21("7","7","3","7","1","7","6","1") = "6"
    & skf21("7","7","3","7","1","7","7","1") = "6"
    & skf21("7","7","3","7","2","1","1","1") = "6"
    & skf21("7","7","3","7","2","1","2","1") = "6"
    & skf21("7","7","3","7","2","1","3","1") = "6"
    & skf21("7","7","3","7","2","1","4","1") = "6"
    & skf21("7","7","3","7","2","1","5","1") = "6"
    & skf21("7","7","3","7","2","1","6","1") = "6"
    & skf21("7","7","3","7","2","1","7","1") = "6"
    & skf21("7","7","3","7","2","2","1","1") = "6"
    & skf21("7","7","3","7","2","2","2","1") = "6"
    & skf21("7","7","3","7","2","2","3","1") = "6"
    & skf21("7","7","3","7","2","2","4","1") = "6"
    & skf21("7","7","3","7","2","2","5","1") = "6"
    & skf21("7","7","3","7","2","2","6","1") = "6"
    & skf21("7","7","3","7","2","2","7","1") = "6"
    & skf21("7","7","3","7","2","3","1","1") = "6"
    & skf21("7","7","3","7","2","3","2","1") = "6"
    & skf21("7","7","3","7","2","3","3","1") = "6"
    & skf21("7","7","3","7","2","3","4","1") = "6"
    & skf21("7","7","3","7","2","3","5","1") = "6"
    & skf21("7","7","3","7","2","3","6","1") = "6"
    & skf21("7","7","3","7","2","3","7","1") = "6"
    & skf21("7","7","3","7","2","4","1","1") = "6"
    & skf21("7","7","3","7","2","4","2","1") = "6"
    & skf21("7","7","3","7","2","4","3","1") = "6"
    & skf21("7","7","3","7","2","4","4","1") = "6"
    & skf21("7","7","3","7","2","4","5","1") = "6"
    & skf21("7","7","3","7","2","4","6","1") = "6"
    & skf21("7","7","3","7","2","4","7","1") = "6"
    & skf21("7","7","3","7","2","5","1","1") = "6"
    & skf21("7","7","3","7","2","5","2","1") = "6"
    & skf21("7","7","3","7","2","5","3","1") = "6"
    & skf21("7","7","3","7","2","5","4","1") = "6"
    & skf21("7","7","3","7","2","5","5","1") = "6"
    & skf21("7","7","3","7","2","5","6","1") = "6"
    & skf21("7","7","3","7","2","5","7","1") = "6"
    & skf21("7","7","3","7","2","6","1","1") = "6"
    & skf21("7","7","3","7","2","6","2","1") = "6"
    & skf21("7","7","3","7","2","6","3","1") = "6"
    & skf21("7","7","3","7","2","6","4","1") = "6"
    & skf21("7","7","3","7","2","6","5","1") = "6"
    & skf21("7","7","3","7","2","6","6","1") = "6"
    & skf21("7","7","3","7","2","6","7","1") = "6"
    & skf21("7","7","3","7","2","7","1","1") = "6"
    & skf21("7","7","3","7","2","7","2","1") = "6"
    & skf21("7","7","3","7","2","7","3","1") = "6"
    & skf21("7","7","3","7","2","7","4","1") = "6"
    & skf21("7","7","3","7","2","7","5","1") = "6"
    & skf21("7","7","3","7","2","7","6","1") = "6"
    & skf21("7","7","3","7","2","7","7","1") = "6"
    & skf21("7","7","3","7","3","1","1","1") = "6"
    & skf21("7","7","3","7","3","1","2","1") = "6"
    & skf21("7","7","3","7","3","1","3","1") = "6"
    & skf21("7","7","3","7","3","1","4","1") = "6"
    & skf21("7","7","3","7","3","1","5","1") = "6"
    & skf21("7","7","3","7","3","1","6","1") = "6"
    & skf21("7","7","3","7","3","1","7","1") = "6"
    & skf21("7","7","3","7","3","2","1","1") = "6"
    & skf21("7","7","3","7","3","2","2","1") = "6"
    & skf21("7","7","3","7","3","2","3","1") = "6"
    & skf21("7","7","3","7","3","2","4","1") = "6"
    & skf21("7","7","3","7","3","2","5","1") = "6"
    & skf21("7","7","3","7","3","2","6","1") = "6"
    & skf21("7","7","3","7","3","2","7","1") = "6"
    & skf21("7","7","3","7","3","3","1","1") = "6"
    & skf21("7","7","3","7","3","3","2","1") = "6"
    & skf21("7","7","3","7","3","3","3","1") = "6"
    & skf21("7","7","3","7","3","3","4","1") = "6"
    & skf21("7","7","3","7","3","3","5","1") = "6"
    & skf21("7","7","3","7","3","3","6","1") = "6"
    & skf21("7","7","3","7","3","3","7","1") = "6"
    & skf21("7","7","3","7","3","4","1","1") = "6"
    & skf21("7","7","3","7","3","4","2","1") = "6"
    & skf21("7","7","3","7","3","4","3","1") = "6"
    & skf21("7","7","3","7","3","4","4","1") = "6"
    & skf21("7","7","3","7","3","4","5","1") = "6"
    & skf21("7","7","3","7","3","4","6","1") = "6"
    & skf21("7","7","3","7","3","4","7","1") = "6"
    & skf21("7","7","3","7","3","5","1","1") = "6"
    & skf21("7","7","3","7","3","5","2","1") = "6"
    & skf21("7","7","3","7","3","5","3","1") = "6"
    & skf21("7","7","3","7","3","5","4","1") = "6"
    & skf21("7","7","3","7","3","5","5","1") = "6"
    & skf21("7","7","3","7","3","5","6","1") = "6"
    & skf21("7","7","3","7","3","5","7","1") = "6"
    & skf21("7","7","3","7","3","6","1","1") = "6"
    & skf21("7","7","3","7","3","6","2","1") = "6"
    & skf21("7","7","3","7","3","6","3","1") = "6"
    & skf21("7","7","3","7","3","6","4","1") = "6"
    & skf21("7","7","3","7","3","6","5","1") = "6"
    & skf21("7","7","3","7","3","6","6","1") = "6"
    & skf21("7","7","3","7","3","6","7","1") = "6"
    & skf21("7","7","3","7","3","7","1","1") = "6"
    & skf21("7","7","3","7","3","7","2","1") = "6"
    & skf21("7","7","3","7","3","7","3","1") = "6"
    & skf21("7","7","3","7","3","7","4","1") = "6"
    & skf21("7","7","3","7","3","7","5","1") = "6"
    & skf21("7","7","3","7","3","7","6","1") = "6"
    & skf21("7","7","3","7","3","7","7","1") = "6"
    & skf21("7","7","3","7","4","1","1","1") = "6"
    & skf21("7","7","3","7","4","1","2","1") = "6"
    & skf21("7","7","3","7","4","1","3","1") = "6"
    & skf21("7","7","3","7","4","1","4","1") = "6"
    & skf21("7","7","3","7","4","1","5","1") = "6"
    & skf21("7","7","3","7","4","1","6","1") = "6"
    & skf21("7","7","3","7","4","1","7","1") = "6"
    & skf21("7","7","3","7","4","2","1","1") = "6"
    & skf21("7","7","3","7","4","2","2","1") = "6"
    & skf21("7","7","3","7","4","2","3","1") = "6"
    & skf21("7","7","3","7","4","2","4","1") = "6"
    & skf21("7","7","3","7","4","2","5","1") = "6"
    & skf21("7","7","3","7","4","2","6","1") = "6"
    & skf21("7","7","3","7","4","2","7","1") = "6"
    & skf21("7","7","3","7","4","3","1","1") = "6"
    & skf21("7","7","3","7","4","3","2","1") = "6"
    & skf21("7","7","3","7","4","3","3","1") = "6"
    & skf21("7","7","3","7","4","3","4","1") = "6"
    & skf21("7","7","3","7","4","3","5","1") = "6"
    & skf21("7","7","3","7","4","3","6","1") = "6"
    & skf21("7","7","3","7","4","3","7","1") = "6"
    & skf21("7","7","3","7","4","4","1","1") = "6"
    & skf21("7","7","3","7","4","4","2","1") = "6"
    & skf21("7","7","3","7","4","4","3","1") = "6"
    & skf21("7","7","3","7","4","4","4","1") = "6"
    & skf21("7","7","3","7","4","4","5","1") = "6"
    & skf21("7","7","3","7","4","4","6","1") = "6"
    & skf21("7","7","3","7","4","4","7","1") = "6"
    & skf21("7","7","3","7","4","5","1","1") = "6"
    & skf21("7","7","3","7","4","5","2","1") = "6"
    & skf21("7","7","3","7","4","5","3","1") = "6"
    & skf21("7","7","3","7","4","5","4","1") = "6"
    & skf21("7","7","3","7","4","5","5","1") = "6"
    & skf21("7","7","3","7","4","5","6","1") = "6"
    & skf21("7","7","3","7","4","5","7","1") = "6"
    & skf21("7","7","3","7","4","6","1","1") = "6"
    & skf21("7","7","3","7","4","6","2","1") = "6"
    & skf21("7","7","3","7","4","6","3","1") = "6"
    & skf21("7","7","3","7","4","6","4","1") = "6"
    & skf21("7","7","3","7","4","6","5","1") = "6"
    & skf21("7","7","3","7","4","6","6","1") = "6"
    & skf21("7","7","3","7","4","6","7","1") = "6"
    & skf21("7","7","3","7","4","7","1","1") = "6"
    & skf21("7","7","3","7","4","7","2","1") = "6"
    & skf21("7","7","3","7","4","7","3","1") = "6"
    & skf21("7","7","3","7","4","7","4","1") = "6"
    & skf21("7","7","3","7","4","7","5","1") = "6"
    & skf21("7","7","3","7","4","7","6","1") = "6"
    & skf21("7","7","3","7","4","7","7","1") = "6"
    & skf21("7","7","3","7","5","1","1","1") = "6"
    & skf21("7","7","3","7","5","1","2","1") = "6"
    & skf21("7","7","3","7","5","1","3","1") = "6"
    & skf21("7","7","3","7","5","1","4","1") = "6"
    & skf21("7","7","3","7","5","1","5","1") = "6"
    & skf21("7","7","3","7","5","1","6","1") = "6"
    & skf21("7","7","3","7","5","1","7","1") = "6"
    & skf21("7","7","3","7","5","2","1","1") = "6"
    & skf21("7","7","3","7","5","2","2","1") = "6"
    & skf21("7","7","3","7","5","2","3","1") = "6"
    & skf21("7","7","3","7","5","2","4","1") = "6"
    & skf21("7","7","3","7","5","2","5","1") = "6"
    & skf21("7","7","3","7","5","2","6","1") = "6"
    & skf21("7","7","3","7","5","2","7","1") = "6"
    & skf21("7","7","3","7","5","3","1","1") = "6"
    & skf21("7","7","3","7","5","3","2","1") = "6"
    & skf21("7","7","3","7","5","3","3","1") = "6"
    & skf21("7","7","3","7","5","3","4","1") = "6"
    & skf21("7","7","3","7","5","3","5","1") = "6"
    & skf21("7","7","3","7","5","3","6","1") = "6"
    & skf21("7","7","3","7","5","3","7","1") = "6"
    & skf21("7","7","3","7","5","4","1","1") = "6"
    & skf21("7","7","3","7","5","4","2","1") = "6"
    & skf21("7","7","3","7","5","4","3","1") = "6"
    & skf21("7","7","3","7","5","4","4","1") = "6"
    & skf21("7","7","3","7","5","4","5","1") = "6"
    & skf21("7","7","3","7","5","4","6","1") = "6"
    & skf21("7","7","3","7","5","4","7","1") = "6"
    & skf21("7","7","3","7","5","5","1","1") = "6"
    & skf21("7","7","3","7","5","5","2","1") = "6"
    & skf21("7","7","3","7","5","5","3","1") = "6"
    & skf21("7","7","3","7","5","5","4","1") = "6"
    & skf21("7","7","3","7","5","5","5","1") = "6"
    & skf21("7","7","3","7","5","5","6","1") = "6"
    & skf21("7","7","3","7","5","5","7","1") = "6"
    & skf21("7","7","3","7","5","6","1","1") = "6"
    & skf21("7","7","3","7","5","6","2","1") = "6"
    & skf21("7","7","3","7","5","6","3","1") = "6"
    & skf21("7","7","3","7","5","6","4","1") = "6"
    & skf21("7","7","3","7","5","6","5","1") = "6"
    & skf21("7","7","3","7","5","6","6","1") = "6"
    & skf21("7","7","3","7","5","6","7","1") = "6"
    & skf21("7","7","3","7","5","7","1","1") = "6"
    & skf21("7","7","3","7","5","7","2","1") = "6"
    & skf21("7","7","3","7","5","7","3","1") = "6"
    & skf21("7","7","3","7","5","7","4","1") = "6"
    & skf21("7","7","3","7","5","7","5","1") = "6"
    & skf21("7","7","3","7","5","7","6","1") = "6"
    & skf21("7","7","3","7","5","7","7","1") = "6"
    & skf21("7","7","3","7","6","1","1","1") = "6"
    & skf21("7","7","3","7","6","1","2","1") = "6"
    & skf21("7","7","3","7","6","1","3","1") = "6"
    & skf21("7","7","3","7","6","1","4","1") = "6"
    & skf21("7","7","3","7","6","1","5","1") = "6"
    & skf21("7","7","3","7","6","1","6","1") = "6"
    & skf21("7","7","3","7","6","1","7","1") = "6"
    & skf21("7","7","3","7","6","2","1","1") = "6"
    & skf21("7","7","3","7","6","2","2","1") = "6"
    & skf21("7","7","3","7","6","2","3","1") = "6"
    & skf21("7","7","3","7","6","2","4","1") = "6"
    & skf21("7","7","3","7","6","2","5","1") = "6"
    & skf21("7","7","3","7","6","2","6","1") = "6"
    & skf21("7","7","3","7","6","2","7","1") = "6"
    & skf21("7","7","3","7","6","3","1","1") = "6"
    & skf21("7","7","3","7","6","3","2","1") = "6"
    & skf21("7","7","3","7","6","3","3","1") = "6"
    & skf21("7","7","3","7","6","3","4","1") = "6"
    & skf21("7","7","3","7","6","3","5","1") = "6"
    & skf21("7","7","3","7","6","3","6","1") = "6"
    & skf21("7","7","3","7","6","3","7","1") = "6"
    & skf21("7","7","3","7","6","4","1","1") = "6"
    & skf21("7","7","3","7","6","4","2","1") = "6"
    & skf21("7","7","3","7","6","4","3","1") = "6"
    & skf21("7","7","3","7","6","4","4","1") = "6"
    & skf21("7","7","3","7","6","4","5","1") = "6"
    & skf21("7","7","3","7","6","4","6","1") = "6"
    & skf21("7","7","3","7","6","4","7","1") = "6"
    & skf21("7","7","3","7","6","5","1","1") = "6"
    & skf21("7","7","3","7","6","5","2","1") = "6"
    & skf21("7","7","3","7","6","5","3","1") = "6"
    & skf21("7","7","3","7","6","5","4","1") = "6"
    & skf21("7","7","3","7","6","5","5","1") = "6"
    & skf21("7","7","3","7","6","5","6","1") = "6"
    & skf21("7","7","3","7","6","5","7","1") = "6"
    & skf21("7","7","3","7","6","6","1","1") = "6"
    & skf21("7","7","3","7","6","6","2","1") = "6"
    & skf21("7","7","3","7","6","6","3","1") = "6"
    & skf21("7","7","3","7","6","6","4","1") = "6"
    & skf21("7","7","3","7","6","6","5","1") = "6"
    & skf21("7","7","3","7","6","6","6","1") = "6"
    & skf21("7","7","3","7","6","6","7","1") = "6"
    & skf21("7","7","3","7","6","7","1","1") = "6"
    & skf21("7","7","3","7","6","7","2","1") = "6"
    & skf21("7","7","3","7","6","7","3","1") = "6"
    & skf21("7","7","3","7","6","7","4","1") = "6"
    & skf21("7","7","3","7","6","7","5","1") = "6"
    & skf21("7","7","3","7","6","7","6","1") = "6"
    & skf21("7","7","3","7","6","7","7","1") = "6"
    & skf21("7","7","3","7","7","1","1","1") = "6"
    & skf21("7","7","3","7","7","1","2","1") = "6"
    & skf21("7","7","3","7","7","1","3","1") = "6"
    & skf21("7","7","3","7","7","1","4","1") = "6"
    & skf21("7","7","3","7","7","1","5","1") = "6"
    & skf21("7","7","3","7","7","1","6","1") = "6"
    & skf21("7","7","3","7","7","1","7","1") = "6"
    & skf21("7","7","3","7","7","2","1","1") = "6"
    & skf21("7","7","3","7","7","2","2","1") = "6"
    & skf21("7","7","3","7","7","2","3","1") = "6"
    & skf21("7","7","3","7","7","2","4","1") = "6"
    & skf21("7","7","3","7","7","2","5","1") = "6"
    & skf21("7","7","3","7","7","2","6","1") = "6"
    & skf21("7","7","3","7","7","2","7","1") = "6"
    & skf21("7","7","3","7","7","3","1","1") = "6"
    & skf21("7","7","3","7","7","3","2","1") = "6"
    & skf21("7","7","3","7","7","3","3","1") = "6"
    & skf21("7","7","3","7","7","3","4","1") = "6"
    & skf21("7","7","3","7","7","3","5","1") = "6"
    & skf21("7","7","3","7","7","3","6","1") = "6"
    & skf21("7","7","3","7","7","3","7","1") = "6"
    & skf21("7","7","3","7","7","4","1","1") = "6"
    & skf21("7","7","3","7","7","4","2","1") = "6"
    & skf21("7","7","3","7","7","4","3","1") = "6"
    & skf21("7","7","3","7","7","4","4","1") = "6"
    & skf21("7","7","3","7","7","4","5","1") = "6"
    & skf21("7","7","3","7","7","4","6","1") = "6"
    & skf21("7","7","3","7","7","4","7","1") = "6"
    & skf21("7","7","3","7","7","5","1","1") = "6"
    & skf21("7","7","3","7","7","5","2","1") = "6"
    & skf21("7","7","3","7","7","5","3","1") = "6"
    & skf21("7","7","3","7","7","5","4","1") = "6"
    & skf21("7","7","3","7","7","5","5","1") = "6"
    & skf21("7","7","3","7","7","5","6","1") = "6"
    & skf21("7","7","3","7","7","5","7","1") = "6"
    & skf21("7","7","3","7","7","6","1","1") = "6"
    & skf21("7","7","3","7","7","6","2","1") = "6"
    & skf21("7","7","3","7","7","6","3","1") = "6"
    & skf21("7","7","3","7","7","6","4","1") = "6"
    & skf21("7","7","3","7","7","6","5","1") = "6"
    & skf21("7","7","3","7","7","6","6","1") = "6"
    & skf21("7","7","3","7","7","6","7","1") = "6"
    & skf21("7","7","3","7","7","7","1","1") = "6"
    & skf21("7","7","3","7","7","7","2","1") = "6"
    & skf21("7","7","3","7","7","7","3","1") = "6"
    & skf21("7","7","3","7","7","7","4","1") = "6"
    & skf21("7","7","3","7","7","7","5","1") = "6"
    & skf21("7","7","3","7","7","7","6","1") = "6"
    & skf21("7","7","3","7","7","7","7","1") = "6"
    & skf21("7","7","4","1","1","1","1","1") = "6"
    & skf21("7","7","4","1","1","1","2","1") = "6"
    & skf21("7","7","4","1","1","1","3","1") = "6"
    & skf21("7","7","4","1","1","1","4","1") = "6"
    & skf21("7","7","4","1","1","1","5","1") = "6"
    & skf21("7","7","4","1","1","1","6","1") = "6"
    & skf21("7","7","4","1","1","1","7","1") = "6"
    & skf21("7","7","4","1","1","2","1","1") = "6"
    & skf21("7","7","4","1","1","2","2","1") = "6"
    & skf21("7","7","4","1","1","2","3","1") = "6"
    & skf21("7","7","4","1","1","2","4","1") = "6"
    & skf21("7","7","4","1","1","2","5","1") = "6"
    & skf21("7","7","4","1","1","2","6","1") = "6"
    & skf21("7","7","4","1","1","2","7","1") = "6"
    & skf21("7","7","4","1","1","3","1","1") = "6"
    & skf21("7","7","4","1","1","3","2","1") = "6"
    & skf21("7","7","4","1","1","3","3","1") = "6"
    & skf21("7","7","4","1","1","3","4","1") = "6"
    & skf21("7","7","4","1","1","3","5","1") = "6"
    & skf21("7","7","4","1","1","3","6","1") = "6"
    & skf21("7","7","4","1","1","3","7","1") = "6"
    & skf21("7","7","4","1","1","4","1","1") = "6"
    & skf21("7","7","4","1","1","4","2","1") = "6"
    & skf21("7","7","4","1","1","4","3","1") = "6"
    & skf21("7","7","4","1","1","4","4","1") = "6"
    & skf21("7","7","4","1","1","4","5","1") = "6"
    & skf21("7","7","4","1","1","4","6","1") = "6"
    & skf21("7","7","4","1","1","4","7","1") = "6"
    & skf21("7","7","4","1","1","5","1","1") = "6"
    & skf21("7","7","4","1","1","5","2","1") = "6"
    & skf21("7","7","4","1","1","5","3","1") = "6"
    & skf21("7","7","4","1","1","5","4","1") = "6"
    & skf21("7","7","4","1","1","5","5","1") = "6"
    & skf21("7","7","4","1","1","5","6","1") = "6"
    & skf21("7","7","4","1","1","5","7","1") = "6"
    & skf21("7","7","4","1","1","6","1","1") = "6"
    & skf21("7","7","4","1","1","6","2","1") = "6"
    & skf21("7","7","4","1","1","6","3","1") = "6"
    & skf21("7","7","4","1","1","6","4","1") = "6"
    & skf21("7","7","4","1","1","6","5","1") = "6"
    & skf21("7","7","4","1","1","6","6","1") = "6"
    & skf21("7","7","4","1","1","6","7","1") = "6"
    & skf21("7","7","4","1","1","7","1","1") = "6"
    & skf21("7","7","4","1","1","7","2","1") = "6"
    & skf21("7","7","4","1","1","7","3","1") = "6"
    & skf21("7","7","4","1","1","7","4","1") = "6"
    & skf21("7","7","4","1","1","7","5","1") = "6"
    & skf21("7","7","4","1","1","7","6","1") = "6"
    & skf21("7","7","4","1","1","7","7","1") = "6"
    & skf21("7","7","4","1","2","1","1","1") = "6"
    & skf21("7","7","4","1","2","1","2","1") = "6"
    & skf21("7","7","4","1","2","1","3","1") = "6"
    & skf21("7","7","4","1","2","1","4","1") = "6"
    & skf21("7","7","4","1","2","1","5","1") = "6"
    & skf21("7","7","4","1","2","1","6","1") = "6"
    & skf21("7","7","4","1","2","1","7","1") = "6"
    & skf21("7","7","4","1","2","2","1","1") = "6"
    & skf21("7","7","4","1","2","2","2","1") = "6"
    & skf21("7","7","4","1","2","2","3","1") = "6"
    & skf21("7","7","4","1","2","2","4","1") = "6"
    & skf21("7","7","4","1","2","2","5","1") = "6"
    & skf21("7","7","4","1","2","2","6","1") = "6"
    & skf21("7","7","4","1","2","2","7","1") = "6"
    & skf21("7","7","4","1","2","3","1","1") = "6"
    & skf21("7","7","4","1","2","3","2","1") = "6"
    & skf21("7","7","4","1","2","3","3","1") = "6"
    & skf21("7","7","4","1","2","3","4","1") = "6"
    & skf21("7","7","4","1","2","3","5","1") = "6"
    & skf21("7","7","4","1","2","3","6","1") = "6"
    & skf21("7","7","4","1","2","3","7","1") = "6"
    & skf21("7","7","4","1","2","4","1","1") = "6"
    & skf21("7","7","4","1","2","4","2","1") = "6"
    & skf21("7","7","4","1","2","4","3","1") = "6"
    & skf21("7","7","4","1","2","4","4","1") = "6"
    & skf21("7","7","4","1","2","4","5","1") = "6"
    & skf21("7","7","4","1","2","4","6","1") = "6"
    & skf21("7","7","4","1","2","4","7","1") = "6"
    & skf21("7","7","4","1","2","5","1","1") = "6"
    & skf21("7","7","4","1","2","5","2","1") = "6"
    & skf21("7","7","4","1","2","5","3","1") = "6"
    & skf21("7","7","4","1","2","5","4","1") = "6"
    & skf21("7","7","4","1","2","5","5","1") = "6"
    & skf21("7","7","4","1","2","5","6","1") = "6"
    & skf21("7","7","4","1","2","5","7","1") = "6"
    & skf21("7","7","4","1","2","6","1","1") = "6"
    & skf21("7","7","4","1","2","6","2","1") = "6"
    & skf21("7","7","4","1","2","6","3","1") = "6"
    & skf21("7","7","4","1","2","6","4","1") = "6"
    & skf21("7","7","4","1","2","6","5","1") = "6"
    & skf21("7","7","4","1","2","6","6","1") = "6"
    & skf21("7","7","4","1","2","6","7","1") = "6"
    & skf21("7","7","4","1","2","7","1","1") = "6"
    & skf21("7","7","4","1","2","7","2","1") = "6"
    & skf21("7","7","4","1","2","7","3","1") = "6"
    & skf21("7","7","4","1","2","7","4","1") = "6"
    & skf21("7","7","4","1","2","7","5","1") = "6"
    & skf21("7","7","4","1","2","7","6","1") = "6"
    & skf21("7","7","4","1","2","7","7","1") = "6"
    & skf21("7","7","4","1","3","1","1","1") = "6"
    & skf21("7","7","4","1","3","1","2","1") = "6"
    & skf21("7","7","4","1","3","1","3","1") = "6"
    & skf21("7","7","4","1","3","1","4","1") = "6"
    & skf21("7","7","4","1","3","1","5","1") = "6"
    & skf21("7","7","4","1","3","1","6","1") = "6"
    & skf21("7","7","4","1","3","1","7","1") = "6"
    & skf21("7","7","4","1","3","2","1","1") = "6"
    & skf21("7","7","4","1","3","2","2","1") = "6"
    & skf21("7","7","4","1","3","2","3","1") = "6"
    & skf21("7","7","4","1","3","2","4","1") = "6"
    & skf21("7","7","4","1","3","2","5","1") = "6"
    & skf21("7","7","4","1","3","2","6","1") = "6"
    & skf21("7","7","4","1","3","2","7","1") = "6"
    & skf21("7","7","4","1","3","3","1","1") = "6"
    & skf21("7","7","4","1","3","3","2","1") = "6"
    & skf21("7","7","4","1","3","3","3","1") = "6"
    & skf21("7","7","4","1","3","3","4","1") = "6"
    & skf21("7","7","4","1","3","3","5","1") = "6"
    & skf21("7","7","4","1","3","3","6","1") = "6"
    & skf21("7","7","4","1","3","3","7","1") = "6"
    & skf21("7","7","4","1","3","4","1","1") = "6"
    & skf21("7","7","4","1","3","4","2","1") = "6"
    & skf21("7","7","4","1","3","4","3","1") = "6"
    & skf21("7","7","4","1","3","4","4","1") = "6"
    & skf21("7","7","4","1","3","4","5","1") = "6"
    & skf21("7","7","4","1","3","4","6","1") = "6"
    & skf21("7","7","4","1","3","4","7","1") = "6"
    & skf21("7","7","4","1","3","5","1","1") = "6"
    & skf21("7","7","4","1","3","5","2","1") = "6"
    & skf21("7","7","4","1","3","5","3","1") = "6"
    & skf21("7","7","4","1","3","5","4","1") = "6"
    & skf21("7","7","4","1","3","5","5","1") = "6"
    & skf21("7","7","4","1","3","5","6","1") = "6"
    & skf21("7","7","4","1","3","5","7","1") = "6"
    & skf21("7","7","4","1","3","6","1","1") = "6"
    & skf21("7","7","4","1","3","6","2","1") = "6"
    & skf21("7","7","4","1","3","6","3","1") = "6"
    & skf21("7","7","4","1","3","6","4","1") = "6"
    & skf21("7","7","4","1","3","6","5","1") = "6"
    & skf21("7","7","4","1","3","6","6","1") = "6"
    & skf21("7","7","4","1","3","6","7","1") = "6"
    & skf21("7","7","4","1","3","7","1","1") = "6"
    & skf21("7","7","4","1","3","7","2","1") = "6"
    & skf21("7","7","4","1","3","7","3","1") = "6"
    & skf21("7","7","4","1","3","7","4","1") = "6"
    & skf21("7","7","4","1","3","7","5","1") = "6"
    & skf21("7","7","4","1","3","7","6","1") = "6"
    & skf21("7","7","4","1","3","7","7","1") = "6"
    & skf21("7","7","4","1","4","1","1","1") = "6"
    & skf21("7","7","4","1","4","1","2","1") = "6"
    & skf21("7","7","4","1","4","1","3","1") = "6"
    & skf21("7","7","4","1","4","1","4","1") = "6"
    & skf21("7","7","4","1","4","1","5","1") = "6"
    & skf21("7","7","4","1","4","1","6","1") = "6"
    & skf21("7","7","4","1","4","1","7","1") = "6"
    & skf21("7","7","4","1","4","2","1","1") = "6"
    & skf21("7","7","4","1","4","2","2","1") = "6"
    & skf21("7","7","4","1","4","2","3","1") = "6"
    & skf21("7","7","4","1","4","2","4","1") = "6"
    & skf21("7","7","4","1","4","2","5","1") = "6"
    & skf21("7","7","4","1","4","2","6","1") = "6"
    & skf21("7","7","4","1","4","2","7","1") = "6"
    & skf21("7","7","4","1","4","3","1","1") = "6"
    & skf21("7","7","4","1","4","3","2","1") = "6"
    & skf21("7","7","4","1","4","3","3","1") = "6"
    & skf21("7","7","4","1","4","3","4","1") = "6"
    & skf21("7","7","4","1","4","3","5","1") = "6"
    & skf21("7","7","4","1","4","3","6","1") = "6"
    & skf21("7","7","4","1","4","3","7","1") = "6"
    & skf21("7","7","4","1","4","4","1","1") = "6"
    & skf21("7","7","4","1","4","4","2","1") = "6"
    & skf21("7","7","4","1","4","4","3","1") = "6"
    & skf21("7","7","4","1","4","4","4","1") = "6"
    & skf21("7","7","4","1","4","4","5","1") = "6"
    & skf21("7","7","4","1","4","4","6","1") = "6"
    & skf21("7","7","4","1","4","4","7","1") = "6"
    & skf21("7","7","4","1","4","5","1","1") = "6"
    & skf21("7","7","4","1","4","5","2","1") = "6"
    & skf21("7","7","4","1","4","5","3","1") = "6"
    & skf21("7","7","4","1","4","5","4","1") = "6"
    & skf21("7","7","4","1","4","5","5","1") = "6"
    & skf21("7","7","4","1","4","5","6","1") = "6"
    & skf21("7","7","4","1","4","5","7","1") = "6"
    & skf21("7","7","4","1","4","6","1","1") = "6"
    & skf21("7","7","4","1","4","6","2","1") = "6"
    & skf21("7","7","4","1","4","6","3","1") = "6"
    & skf21("7","7","4","1","4","6","4","1") = "6"
    & skf21("7","7","4","1","4","6","5","1") = "6"
    & skf21("7","7","4","1","4","6","6","1") = "6"
    & skf21("7","7","4","1","4","6","7","1") = "6"
    & skf21("7","7","4","1","4","7","1","1") = "6"
    & skf21("7","7","4","1","4","7","2","1") = "6"
    & skf21("7","7","4","1","4","7","3","1") = "6"
    & skf21("7","7","4","1","4","7","4","1") = "6"
    & skf21("7","7","4","1","4","7","5","1") = "6"
    & skf21("7","7","4","1","4","7","6","1") = "6"
    & skf21("7","7","4","1","4","7","7","1") = "6"
    & skf21("7","7","4","1","5","1","1","1") = "6"
    & skf21("7","7","4","1","5","1","2","1") = "6"
    & skf21("7","7","4","1","5","1","3","1") = "6"
    & skf21("7","7","4","1","5","1","4","1") = "6"
    & skf21("7","7","4","1","5","1","5","1") = "6"
    & skf21("7","7","4","1","5","1","6","1") = "6"
    & skf21("7","7","4","1","5","1","7","1") = "6"
    & skf21("7","7","4","1","5","2","1","1") = "6"
    & skf21("7","7","4","1","5","2","2","1") = "6"
    & skf21("7","7","4","1","5","2","3","1") = "6"
    & skf21("7","7","4","1","5","2","4","1") = "6"
    & skf21("7","7","4","1","5","2","5","1") = "6"
    & skf21("7","7","4","1","5","2","6","1") = "6"
    & skf21("7","7","4","1","5","2","7","1") = "6"
    & skf21("7","7","4","1","5","3","1","1") = "6"
    & skf21("7","7","4","1","5","3","2","1") = "6"
    & skf21("7","7","4","1","5","3","3","1") = "6"
    & skf21("7","7","4","1","5","3","4","1") = "6"
    & skf21("7","7","4","1","5","3","5","1") = "6"
    & skf21("7","7","4","1","5","3","6","1") = "6"
    & skf21("7","7","4","1","5","3","7","1") = "6"
    & skf21("7","7","4","1","5","4","1","1") = "6"
    & skf21("7","7","4","1","5","4","2","1") = "6"
    & skf21("7","7","4","1","5","4","3","1") = "6"
    & skf21("7","7","4","1","5","4","4","1") = "6"
    & skf21("7","7","4","1","5","4","5","1") = "6"
    & skf21("7","7","4","1","5","4","6","1") = "6"
    & skf21("7","7","4","1","5","4","7","1") = "6"
    & skf21("7","7","4","1","5","5","1","1") = "6"
    & skf21("7","7","4","1","5","5","2","1") = "6"
    & skf21("7","7","4","1","5","5","3","1") = "6"
    & skf21("7","7","4","1","5","5","4","1") = "6"
    & skf21("7","7","4","1","5","5","5","1") = "6"
    & skf21("7","7","4","1","5","5","6","1") = "6"
    & skf21("7","7","4","1","5","5","7","1") = "6"
    & skf21("7","7","4","1","5","6","1","1") = "6"
    & skf21("7","7","4","1","5","6","2","1") = "6"
    & skf21("7","7","4","1","5","6","3","1") = "6"
    & skf21("7","7","4","1","5","6","4","1") = "6"
    & skf21("7","7","4","1","5","6","5","1") = "6"
    & skf21("7","7","4","1","5","6","6","1") = "6"
    & skf21("7","7","4","1","5","6","7","1") = "6"
    & skf21("7","7","4","1","5","7","1","1") = "6"
    & skf21("7","7","4","1","5","7","2","1") = "6"
    & skf21("7","7","4","1","5","7","3","1") = "6"
    & skf21("7","7","4","1","5","7","4","1") = "6"
    & skf21("7","7","4","1","5","7","5","1") = "6"
    & skf21("7","7","4","1","5","7","6","1") = "6"
    & skf21("7","7","4","1","5","7","7","1") = "6"
    & skf21("7","7","4","1","6","1","1","1") = "6"
    & skf21("7","7","4","1","6","1","2","1") = "6"
    & skf21("7","7","4","1","6","1","3","1") = "6"
    & skf21("7","7","4","1","6","1","4","1") = "6"
    & skf21("7","7","4","1","6","1","5","1") = "6"
    & skf21("7","7","4","1","6","1","6","1") = "6"
    & skf21("7","7","4","1","6","1","7","1") = "6"
    & skf21("7","7","4","1","6","2","1","1") = "6"
    & skf21("7","7","4","1","6","2","2","1") = "6"
    & skf21("7","7","4","1","6","2","3","1") = "6"
    & skf21("7","7","4","1","6","2","4","1") = "6"
    & skf21("7","7","4","1","6","2","5","1") = "6"
    & skf21("7","7","4","1","6","2","6","1") = "6"
    & skf21("7","7","4","1","6","2","7","1") = "6"
    & skf21("7","7","4","1","6","3","1","1") = "6"
    & skf21("7","7","4","1","6","3","2","1") = "6"
    & skf21("7","7","4","1","6","3","3","1") = "6"
    & skf21("7","7","4","1","6","3","4","1") = "6"
    & skf21("7","7","4","1","6","3","5","1") = "6"
    & skf21("7","7","4","1","6","3","6","1") = "6"
    & skf21("7","7","4","1","6","3","7","1") = "6"
    & skf21("7","7","4","1","6","4","1","1") = "6"
    & skf21("7","7","4","1","6","4","2","1") = "6"
    & skf21("7","7","4","1","6","4","3","1") = "6"
    & skf21("7","7","4","1","6","4","4","1") = "6"
    & skf21("7","7","4","1","6","4","5","1") = "6"
    & skf21("7","7","4","1","6","4","6","1") = "6"
    & skf21("7","7","4","1","6","4","7","1") = "6"
    & skf21("7","7","4","1","6","5","1","1") = "6"
    & skf21("7","7","4","1","6","5","2","1") = "6"
    & skf21("7","7","4","1","6","5","3","1") = "6"
    & skf21("7","7","4","1","6","5","4","1") = "6"
    & skf21("7","7","4","1","6","5","5","1") = "6"
    & skf21("7","7","4","1","6","5","6","1") = "6"
    & skf21("7","7","4","1","6","5","7","1") = "6"
    & skf21("7","7","4","1","6","6","1","1") = "6"
    & skf21("7","7","4","1","6","6","2","1") = "6"
    & skf21("7","7","4","1","6","6","3","1") = "6"
    & skf21("7","7","4","1","6","6","4","1") = "6"
    & skf21("7","7","4","1","6","6","5","1") = "6"
    & skf21("7","7","4","1","6","6","6","1") = "6"
    & skf21("7","7","4","1","6","6","7","1") = "6"
    & skf21("7","7","4","1","6","7","1","1") = "6"
    & skf21("7","7","4","1","6","7","2","1") = "6"
    & skf21("7","7","4","1","6","7","3","1") = "6"
    & skf21("7","7","4","1","6","7","4","1") = "6"
    & skf21("7","7","4","1","6","7","5","1") = "6"
    & skf21("7","7","4","1","6","7","6","1") = "6"
    & skf21("7","7","4","1","6","7","7","1") = "6"
    & skf21("7","7","4","1","7","1","1","1") = "6"
    & skf21("7","7","4","1","7","1","2","1") = "6"
    & skf21("7","7","4","1","7","1","3","1") = "6"
    & skf21("7","7","4","1","7","1","4","1") = "6"
    & skf21("7","7","4","1","7","1","5","1") = "6"
    & skf21("7","7","4","1","7","1","6","1") = "6"
    & skf21("7","7","4","1","7","1","7","1") = "6"
    & skf21("7","7","4","1","7","2","1","1") = "6"
    & skf21("7","7","4","1","7","2","2","1") = "6"
    & skf21("7","7","4","1","7","2","3","1") = "6"
    & skf21("7","7","4","1","7","2","4","1") = "6"
    & skf21("7","7","4","1","7","2","5","1") = "6"
    & skf21("7","7","4","1","7","2","6","1") = "6"
    & skf21("7","7","4","1","7","2","7","1") = "6"
    & skf21("7","7","4","1","7","3","1","1") = "6"
    & skf21("7","7","4","1","7","3","2","1") = "6"
    & skf21("7","7","4","1","7","3","3","1") = "6"
    & skf21("7","7","4","1","7","3","4","1") = "6"
    & skf21("7","7","4","1","7","3","5","1") = "6"
    & skf21("7","7","4","1","7","3","6","1") = "6"
    & skf21("7","7","4","1","7","3","7","1") = "6"
    & skf21("7","7","4","1","7","4","1","1") = "6"
    & skf21("7","7","4","1","7","4","2","1") = "6"
    & skf21("7","7","4","1","7","4","3","1") = "6"
    & skf21("7","7","4","1","7","4","4","1") = "6"
    & skf21("7","7","4","1","7","4","5","1") = "6"
    & skf21("7","7","4","1","7","4","6","1") = "6"
    & skf21("7","7","4","1","7","4","7","1") = "6"
    & skf21("7","7","4","1","7","5","1","1") = "6"
    & skf21("7","7","4","1","7","5","2","1") = "6"
    & skf21("7","7","4","1","7","5","3","1") = "6"
    & skf21("7","7","4","1","7","5","4","1") = "6"
    & skf21("7","7","4","1","7","5","5","1") = "6"
    & skf21("7","7","4","1","7","5","6","1") = "6"
    & skf21("7","7","4","1","7","5","7","1") = "6"
    & skf21("7","7","4","1","7","6","1","1") = "6"
    & skf21("7","7","4","1","7","6","2","1") = "6"
    & skf21("7","7","4","1","7","6","3","1") = "6"
    & skf21("7","7","4","1","7","6","4","1") = "6"
    & skf21("7","7","4","1","7","6","5","1") = "6"
    & skf21("7","7","4","1","7","6","6","1") = "6"
    & skf21("7","7","4","1","7","6","7","1") = "6"
    & skf21("7","7","4","1","7","7","1","1") = "6"
    & skf21("7","7","4","1","7","7","2","1") = "6"
    & skf21("7","7","4","1","7","7","3","1") = "6"
    & skf21("7","7","4","1","7","7","4","1") = "6"
    & skf21("7","7","4","1","7","7","5","1") = "6"
    & skf21("7","7","4","1","7","7","6","1") = "6"
    & skf21("7","7","4","1","7","7","7","1") = "6"
    & skf21("7","7","4","2","1","1","1","1") = "6"
    & skf21("7","7","4","2","1","1","2","1") = "6"
    & skf21("7","7","4","2","1","1","3","1") = "6"
    & skf21("7","7","4","2","1","1","4","1") = "6"
    & skf21("7","7","4","2","1","1","5","1") = "6"
    & skf21("7","7","4","2","1","1","6","1") = "6"
    & skf21("7","7","4","2","1","1","7","1") = "6"
    & skf21("7","7","4","2","1","2","1","1") = "6"
    & skf21("7","7","4","2","1","2","2","1") = "6"
    & skf21("7","7","4","2","1","2","3","1") = "6"
    & skf21("7","7","4","2","1","2","4","1") = "6"
    & skf21("7","7","4","2","1","2","5","1") = "6"
    & skf21("7","7","4","2","1","2","6","1") = "6"
    & skf21("7","7","4","2","1","2","7","1") = "6"
    & skf21("7","7","4","2","1","3","1","1") = "6"
    & skf21("7","7","4","2","1","3","2","1") = "6"
    & skf21("7","7","4","2","1","3","3","1") = "6"
    & skf21("7","7","4","2","1","3","4","1") = "6"
    & skf21("7","7","4","2","1","3","5","1") = "6"
    & skf21("7","7","4","2","1","3","6","1") = "6"
    & skf21("7","7","4","2","1","3","7","1") = "6"
    & skf21("7","7","4","2","1","4","1","1") = "6"
    & skf21("7","7","4","2","1","4","2","1") = "6"
    & skf21("7","7","4","2","1","4","3","1") = "6"
    & skf21("7","7","4","2","1","4","4","1") = "6"
    & skf21("7","7","4","2","1","4","5","1") = "6"
    & skf21("7","7","4","2","1","4","6","1") = "6"
    & skf21("7","7","4","2","1","4","7","1") = "6"
    & skf21("7","7","4","2","1","5","1","1") = "6"
    & skf21("7","7","4","2","1","5","2","1") = "6"
    & skf21("7","7","4","2","1","5","3","1") = "6"
    & skf21("7","7","4","2","1","5","4","1") = "6"
    & skf21("7","7","4","2","1","5","5","1") = "6"
    & skf21("7","7","4","2","1","5","6","1") = "6"
    & skf21("7","7","4","2","1","5","7","1") = "6"
    & skf21("7","7","4","2","1","6","1","1") = "6"
    & skf21("7","7","4","2","1","6","2","1") = "6"
    & skf21("7","7","4","2","1","6","3","1") = "6"
    & skf21("7","7","4","2","1","6","4","1") = "6"
    & skf21("7","7","4","2","1","6","5","1") = "6"
    & skf21("7","7","4","2","1","6","6","1") = "6"
    & skf21("7","7","4","2","1","6","7","1") = "6"
    & skf21("7","7","4","2","1","7","1","1") = "6"
    & skf21("7","7","4","2","1","7","2","1") = "6"
    & skf21("7","7","4","2","1","7","3","1") = "6"
    & skf21("7","7","4","2","1","7","4","1") = "6"
    & skf21("7","7","4","2","1","7","5","1") = "6"
    & skf21("7","7","4","2","1","7","6","1") = "6"
    & skf21("7","7","4","2","1","7","7","1") = "6"
    & skf21("7","7","4","2","2","1","1","1") = "6"
    & skf21("7","7","4","2","2","1","2","1") = "6"
    & skf21("7","7","4","2","2","1","3","1") = "6"
    & skf21("7","7","4","2","2","1","4","1") = "6"
    & skf21("7","7","4","2","2","1","5","1") = "6"
    & skf21("7","7","4","2","2","1","6","1") = "6"
    & skf21("7","7","4","2","2","1","7","1") = "6"
    & skf21("7","7","4","2","2","2","1","1") = "6"
    & skf21("7","7","4","2","2","2","2","1") = "6"
    & skf21("7","7","4","2","2","2","3","1") = "6"
    & skf21("7","7","4","2","2","2","4","1") = "6"
    & skf21("7","7","4","2","2","2","5","1") = "6"
    & skf21("7","7","4","2","2","2","6","1") = "6"
    & skf21("7","7","4","2","2","2","7","1") = "6"
    & skf21("7","7","4","2","2","3","1","1") = "6"
    & skf21("7","7","4","2","2","3","2","1") = "6"
    & skf21("7","7","4","2","2","3","3","1") = "6"
    & skf21("7","7","4","2","2","3","4","1") = "6"
    & skf21("7","7","4","2","2","3","5","1") = "6"
    & skf21("7","7","4","2","2","3","6","1") = "6"
    & skf21("7","7","4","2","2","3","7","1") = "6"
    & skf21("7","7","4","2","2","4","1","1") = "6"
    & skf21("7","7","4","2","2","4","2","1") = "6"
    & skf21("7","7","4","2","2","4","3","1") = "6"
    & skf21("7","7","4","2","2","4","4","1") = "6"
    & skf21("7","7","4","2","2","4","5","1") = "6"
    & skf21("7","7","4","2","2","4","6","1") = "6"
    & skf21("7","7","4","2","2","4","7","1") = "6"
    & skf21("7","7","4","2","2","5","1","1") = "6"
    & skf21("7","7","4","2","2","5","2","1") = "6"
    & skf21("7","7","4","2","2","5","3","1") = "6"
    & skf21("7","7","4","2","2","5","4","1") = "6"
    & skf21("7","7","4","2","2","5","5","1") = "6"
    & skf21("7","7","4","2","2","5","6","1") = "6"
    & skf21("7","7","4","2","2","5","7","1") = "6"
    & skf21("7","7","4","2","2","6","1","1") = "6"
    & skf21("7","7","4","2","2","6","2","1") = "6"
    & skf21("7","7","4","2","2","6","3","1") = "6"
    & skf21("7","7","4","2","2","6","4","1") = "6"
    & skf21("7","7","4","2","2","6","5","1") = "6"
    & skf21("7","7","4","2","2","6","6","1") = "6"
    & skf21("7","7","4","2","2","6","7","1") = "6"
    & skf21("7","7","4","2","2","7","1","1") = "6"
    & skf21("7","7","4","2","2","7","2","1") = "6"
    & skf21("7","7","4","2","2","7","3","1") = "6"
    & skf21("7","7","4","2","2","7","4","1") = "6"
    & skf21("7","7","4","2","2","7","5","1") = "6"
    & skf21("7","7","4","2","2","7","6","1") = "6"
    & skf21("7","7","4","2","2","7","7","1") = "6"
    & skf21("7","7","4","2","3","1","1","1") = "6"
    & skf21("7","7","4","2","3","1","2","1") = "6"
    & skf21("7","7","4","2","3","1","3","1") = "6"
    & skf21("7","7","4","2","3","1","4","1") = "6"
    & skf21("7","7","4","2","3","1","5","1") = "6"
    & skf21("7","7","4","2","3","1","6","1") = "6"
    & skf21("7","7","4","2","3","1","7","1") = "6"
    & skf21("7","7","4","2","3","2","1","1") = "6"
    & skf21("7","7","4","2","3","2","2","1") = "6"
    & skf21("7","7","4","2","3","2","3","1") = "6"
    & skf21("7","7","4","2","3","2","4","1") = "6"
    & skf21("7","7","4","2","3","2","5","1") = "6"
    & skf21("7","7","4","2","3","2","6","1") = "6"
    & skf21("7","7","4","2","3","2","7","1") = "6"
    & skf21("7","7","4","2","3","3","1","1") = "6"
    & skf21("7","7","4","2","3","3","2","1") = "6"
    & skf21("7","7","4","2","3","3","3","1") = "6"
    & skf21("7","7","4","2","3","3","4","1") = "6"
    & skf21("7","7","4","2","3","3","5","1") = "6"
    & skf21("7","7","4","2","3","3","6","1") = "6"
    & skf21("7","7","4","2","3","3","7","1") = "6"
    & skf21("7","7","4","2","3","4","1","1") = "6"
    & skf21("7","7","4","2","3","4","2","1") = "6"
    & skf21("7","7","4","2","3","4","3","1") = "6"
    & skf21("7","7","4","2","3","4","4","1") = "6"
    & skf21("7","7","4","2","3","4","5","1") = "6"
    & skf21("7","7","4","2","3","4","6","1") = "6"
    & skf21("7","7","4","2","3","4","7","1") = "6"
    & skf21("7","7","4","2","3","5","1","1") = "6"
    & skf21("7","7","4","2","3","5","2","1") = "6"
    & skf21("7","7","4","2","3","5","3","1") = "6"
    & skf21("7","7","4","2","3","5","4","1") = "6"
    & skf21("7","7","4","2","3","5","5","1") = "6"
    & skf21("7","7","4","2","3","5","6","1") = "6"
    & skf21("7","7","4","2","3","5","7","1") = "6"
    & skf21("7","7","4","2","3","6","1","1") = "6"
    & skf21("7","7","4","2","3","6","2","1") = "6"
    & skf21("7","7","4","2","3","6","3","1") = "6"
    & skf21("7","7","4","2","3","6","4","1") = "6"
    & skf21("7","7","4","2","3","6","5","1") = "6"
    & skf21("7","7","4","2","3","6","6","1") = "6"
    & skf21("7","7","4","2","3","6","7","1") = "6"
    & skf21("7","7","4","2","3","7","1","1") = "6"
    & skf21("7","7","4","2","3","7","2","1") = "6"
    & skf21("7","7","4","2","3","7","3","1") = "6"
    & skf21("7","7","4","2","3","7","4","1") = "6"
    & skf21("7","7","4","2","3","7","5","1") = "6"
    & skf21("7","7","4","2","3","7","6","1") = "6"
    & skf21("7","7","4","2","3","7","7","1") = "6"
    & skf21("7","7","4","2","4","1","1","1") = "6"
    & skf21("7","7","4","2","4","1","2","1") = "6"
    & skf21("7","7","4","2","4","1","3","1") = "6"
    & skf21("7","7","4","2","4","1","4","1") = "6"
    & skf21("7","7","4","2","4","1","5","1") = "6"
    & skf21("7","7","4","2","4","1","6","1") = "6"
    & skf21("7","7","4","2","4","1","7","1") = "6"
    & skf21("7","7","4","2","4","2","1","1") = "6"
    & skf21("7","7","4","2","4","2","2","1") = "6"
    & skf21("7","7","4","2","4","2","3","1") = "6"
    & skf21("7","7","4","2","4","2","4","1") = "6"
    & skf21("7","7","4","2","4","2","5","1") = "6"
    & skf21("7","7","4","2","4","2","6","1") = "6"
    & skf21("7","7","4","2","4","2","7","1") = "6"
    & skf21("7","7","4","2","4","3","1","1") = "6"
    & skf21("7","7","4","2","4","3","2","1") = "6"
    & skf21("7","7","4","2","4","3","3","1") = "6"
    & skf21("7","7","4","2","4","3","4","1") = "6"
    & skf21("7","7","4","2","4","3","5","1") = "6"
    & skf21("7","7","4","2","4","3","6","1") = "6"
    & skf21("7","7","4","2","4","3","7","1") = "6"
    & skf21("7","7","4","2","4","4","1","1") = "6"
    & skf21("7","7","4","2","4","4","2","1") = "6"
    & skf21("7","7","4","2","4","4","3","1") = "6"
    & skf21("7","7","4","2","4","4","4","1") = "6"
    & skf21("7","7","4","2","4","4","5","1") = "6"
    & skf21("7","7","4","2","4","4","6","1") = "6"
    & skf21("7","7","4","2","4","4","7","1") = "6"
    & skf21("7","7","4","2","4","5","1","1") = "6"
    & skf21("7","7","4","2","4","5","2","1") = "6"
    & skf21("7","7","4","2","4","5","3","1") = "6"
    & skf21("7","7","4","2","4","5","4","1") = "6"
    & skf21("7","7","4","2","4","5","5","1") = "6"
    & skf21("7","7","4","2","4","5","6","1") = "6"
    & skf21("7","7","4","2","4","5","7","1") = "6"
    & skf21("7","7","4","2","4","6","1","1") = "6"
    & skf21("7","7","4","2","4","6","2","1") = "6"
    & skf21("7","7","4","2","4","6","3","1") = "6"
    & skf21("7","7","4","2","4","6","4","1") = "6"
    & skf21("7","7","4","2","4","6","5","1") = "6"
    & skf21("7","7","4","2","4","6","6","1") = "6"
    & skf21("7","7","4","2","4","6","7","1") = "6"
    & skf21("7","7","4","2","4","7","1","1") = "6"
    & skf21("7","7","4","2","4","7","2","1") = "6"
    & skf21("7","7","4","2","4","7","3","1") = "6"
    & skf21("7","7","4","2","4","7","4","1") = "6"
    & skf21("7","7","4","2","4","7","5","1") = "6"
    & skf21("7","7","4","2","4","7","6","1") = "6"
    & skf21("7","7","4","2","4","7","7","1") = "6"
    & skf21("7","7","4","2","5","1","1","1") = "6"
    & skf21("7","7","4","2","5","1","2","1") = "6"
    & skf21("7","7","4","2","5","1","3","1") = "6"
    & skf21("7","7","4","2","5","1","4","1") = "6"
    & skf21("7","7","4","2","5","1","5","1") = "6"
    & skf21("7","7","4","2","5","1","6","1") = "6"
    & skf21("7","7","4","2","5","1","7","1") = "6"
    & skf21("7","7","4","2","5","2","1","1") = "6"
    & skf21("7","7","4","2","5","2","2","1") = "6"
    & skf21("7","7","4","2","5","2","3","1") = "6"
    & skf21("7","7","4","2","5","2","4","1") = "6"
    & skf21("7","7","4","2","5","2","5","1") = "6"
    & skf21("7","7","4","2","5","2","6","1") = "6"
    & skf21("7","7","4","2","5","2","7","1") = "6"
    & skf21("7","7","4","2","5","3","1","1") = "6"
    & skf21("7","7","4","2","5","3","2","1") = "6"
    & skf21("7","7","4","2","5","3","3","1") = "6"
    & skf21("7","7","4","2","5","3","4","1") = "6"
    & skf21("7","7","4","2","5","3","5","1") = "6"
    & skf21("7","7","4","2","5","3","6","1") = "6"
    & skf21("7","7","4","2","5","3","7","1") = "6"
    & skf21("7","7","4","2","5","4","1","1") = "6"
    & skf21("7","7","4","2","5","4","2","1") = "6"
    & skf21("7","7","4","2","5","4","3","1") = "6"
    & skf21("7","7","4","2","5","4","4","1") = "6"
    & skf21("7","7","4","2","5","4","5","1") = "6"
    & skf21("7","7","4","2","5","4","6","1") = "6"
    & skf21("7","7","4","2","5","4","7","1") = "6"
    & skf21("7","7","4","2","5","5","1","1") = "6"
    & skf21("7","7","4","2","5","5","2","1") = "6"
    & skf21("7","7","4","2","5","5","3","1") = "6"
    & skf21("7","7","4","2","5","5","4","1") = "6"
    & skf21("7","7","4","2","5","5","5","1") = "6"
    & skf21("7","7","4","2","5","5","6","1") = "6"
    & skf21("7","7","4","2","5","5","7","1") = "6"
    & skf21("7","7","4","2","5","6","1","1") = "6"
    & skf21("7","7","4","2","5","6","2","1") = "6"
    & skf21("7","7","4","2","5","6","3","1") = "6"
    & skf21("7","7","4","2","5","6","4","1") = "6"
    & skf21("7","7","4","2","5","6","5","1") = "6"
    & skf21("7","7","4","2","5","6","6","1") = "6"
    & skf21("7","7","4","2","5","6","7","1") = "6"
    & skf21("7","7","4","2","5","7","1","1") = "6"
    & skf21("7","7","4","2","5","7","2","1") = "6"
    & skf21("7","7","4","2","5","7","3","1") = "6"
    & skf21("7","7","4","2","5","7","4","1") = "6"
    & skf21("7","7","4","2","5","7","5","1") = "6"
    & skf21("7","7","4","2","5","7","6","1") = "6"
    & skf21("7","7","4","2","5","7","7","1") = "6"
    & skf21("7","7","4","2","6","1","1","1") = "6"
    & skf21("7","7","4","2","6","1","2","1") = "6"
    & skf21("7","7","4","2","6","1","3","1") = "6"
    & skf21("7","7","4","2","6","1","4","1") = "6"
    & skf21("7","7","4","2","6","1","5","1") = "6"
    & skf21("7","7","4","2","6","1","6","1") = "6"
    & skf21("7","7","4","2","6","1","7","1") = "6"
    & skf21("7","7","4","2","6","2","1","1") = "6"
    & skf21("7","7","4","2","6","2","2","1") = "6"
    & skf21("7","7","4","2","6","2","3","1") = "6"
    & skf21("7","7","4","2","6","2","4","1") = "6"
    & skf21("7","7","4","2","6","2","5","1") = "6"
    & skf21("7","7","4","2","6","2","6","1") = "6"
    & skf21("7","7","4","2","6","2","7","1") = "6"
    & skf21("7","7","4","2","6","3","1","1") = "6"
    & skf21("7","7","4","2","6","3","2","1") = "6"
    & skf21("7","7","4","2","6","3","3","1") = "6"
    & skf21("7","7","4","2","6","3","4","1") = "6"
    & skf21("7","7","4","2","6","3","5","1") = "6"
    & skf21("7","7","4","2","6","3","6","1") = "6"
    & skf21("7","7","4","2","6","3","7","1") = "6"
    & skf21("7","7","4","2","6","4","1","1") = "6"
    & skf21("7","7","4","2","6","4","2","1") = "6"
    & skf21("7","7","4","2","6","4","3","1") = "6"
    & skf21("7","7","4","2","6","4","4","1") = "6"
    & skf21("7","7","4","2","6","4","5","1") = "6"
    & skf21("7","7","4","2","6","4","6","1") = "6"
    & skf21("7","7","4","2","6","4","7","1") = "6"
    & skf21("7","7","4","2","6","5","1","1") = "6"
    & skf21("7","7","4","2","6","5","2","1") = "6"
    & skf21("7","7","4","2","6","5","3","1") = "6"
    & skf21("7","7","4","2","6","5","4","1") = "6"
    & skf21("7","7","4","2","6","5","5","1") = "6"
    & skf21("7","7","4","2","6","5","6","1") = "6"
    & skf21("7","7","4","2","6","5","7","1") = "6"
    & skf21("7","7","4","2","6","6","1","1") = "6"
    & skf21("7","7","4","2","6","6","2","1") = "6"
    & skf21("7","7","4","2","6","6","3","1") = "6"
    & skf21("7","7","4","2","6","6","4","1") = "6"
    & skf21("7","7","4","2","6","6","5","1") = "6"
    & skf21("7","7","4","2","6","6","6","1") = "6"
    & skf21("7","7","4","2","6","6","7","1") = "6"
    & skf21("7","7","4","2","6","7","1","1") = "6"
    & skf21("7","7","4","2","6","7","2","1") = "6"
    & skf21("7","7","4","2","6","7","3","1") = "6"
    & skf21("7","7","4","2","6","7","4","1") = "6"
    & skf21("7","7","4","2","6","7","5","1") = "6"
    & skf21("7","7","4","2","6","7","6","1") = "6"
    & skf21("7","7","4","2","6","7","7","1") = "6"
    & skf21("7","7","4","2","7","1","1","1") = "6"
    & skf21("7","7","4","2","7","1","2","1") = "6"
    & skf21("7","7","4","2","7","1","3","1") = "6"
    & skf21("7","7","4","2","7","1","4","1") = "6"
    & skf21("7","7","4","2","7","1","5","1") = "6"
    & skf21("7","7","4","2","7","1","6","1") = "6"
    & skf21("7","7","4","2","7","1","7","1") = "6"
    & skf21("7","7","4","2","7","2","1","1") = "6"
    & skf21("7","7","4","2","7","2","2","1") = "6"
    & skf21("7","7","4","2","7","2","3","1") = "6"
    & skf21("7","7","4","2","7","2","4","1") = "6"
    & skf21("7","7","4","2","7","2","5","1") = "6"
    & skf21("7","7","4","2","7","2","6","1") = "6"
    & skf21("7","7","4","2","7","2","7","1") = "6"
    & skf21("7","7","4","2","7","3","1","1") = "6"
    & skf21("7","7","4","2","7","3","2","1") = "6"
    & skf21("7","7","4","2","7","3","3","1") = "6"
    & skf21("7","7","4","2","7","3","4","1") = "6"
    & skf21("7","7","4","2","7","3","5","1") = "6"
    & skf21("7","7","4","2","7","3","6","1") = "6"
    & skf21("7","7","4","2","7","3","7","1") = "6"
    & skf21("7","7","4","2","7","4","1","1") = "6"
    & skf21("7","7","4","2","7","4","2","1") = "6"
    & skf21("7","7","4","2","7","4","3","1") = "6"
    & skf21("7","7","4","2","7","4","4","1") = "6"
    & skf21("7","7","4","2","7","4","5","1") = "6"
    & skf21("7","7","4","2","7","4","6","1") = "6"
    & skf21("7","7","4","2","7","4","7","1") = "6"
    & skf21("7","7","4","2","7","5","1","1") = "6"
    & skf21("7","7","4","2","7","5","2","1") = "6"
    & skf21("7","7","4","2","7","5","3","1") = "6"
    & skf21("7","7","4","2","7","5","4","1") = "6"
    & skf21("7","7","4","2","7","5","5","1") = "6"
    & skf21("7","7","4","2","7","5","6","1") = "6"
    & skf21("7","7","4","2","7","5","7","1") = "6"
    & skf21("7","7","4","2","7","6","1","1") = "6"
    & skf21("7","7","4","2","7","6","2","1") = "6"
    & skf21("7","7","4","2","7","6","3","1") = "6"
    & skf21("7","7","4","2","7","6","4","1") = "6"
    & skf21("7","7","4","2","7","6","5","1") = "6"
    & skf21("7","7","4","2","7","6","6","1") = "6"
    & skf21("7","7","4","2","7","6","7","1") = "6"
    & skf21("7","7","4","2","7","7","1","1") = "6"
    & skf21("7","7","4","2","7","7","2","1") = "6"
    & skf21("7","7","4","2","7","7","3","1") = "6"
    & skf21("7","7","4","2","7","7","4","1") = "6"
    & skf21("7","7","4","2","7","7","5","1") = "6"
    & skf21("7","7","4","2","7","7","6","1") = "6"
    & skf21("7","7","4","2","7","7","7","1") = "6"
    & skf21("7","7","4","3","1","1","1","1") = "6"
    & skf21("7","7","4","3","1","1","2","1") = "6"
    & skf21("7","7","4","3","1","1","3","1") = "6"
    & skf21("7","7","4","3","1","1","4","1") = "6"
    & skf21("7","7","4","3","1","1","5","1") = "6"
    & skf21("7","7","4","3","1","1","6","1") = "6"
    & skf21("7","7","4","3","1","1","7","1") = "6"
    & skf21("7","7","4","3","1","2","1","1") = "6"
    & skf21("7","7","4","3","1","2","2","1") = "6"
    & skf21("7","7","4","3","1","2","3","1") = "6"
    & skf21("7","7","4","3","1","2","4","1") = "6"
    & skf21("7","7","4","3","1","2","5","1") = "6"
    & skf21("7","7","4","3","1","2","6","1") = "6"
    & skf21("7","7","4","3","1","2","7","1") = "6"
    & skf21("7","7","4","3","1","3","1","1") = "6"
    & skf21("7","7","4","3","1","3","2","1") = "6"
    & skf21("7","7","4","3","1","3","3","1") = "6"
    & skf21("7","7","4","3","1","3","4","1") = "6"
    & skf21("7","7","4","3","1","3","5","1") = "6"
    & skf21("7","7","4","3","1","3","6","1") = "6"
    & skf21("7","7","4","3","1","3","7","1") = "6"
    & skf21("7","7","4","3","1","4","1","1") = "6"
    & skf21("7","7","4","3","1","4","2","1") = "6"
    & skf21("7","7","4","3","1","4","3","1") = "6"
    & skf21("7","7","4","3","1","4","4","1") = "6"
    & skf21("7","7","4","3","1","4","5","1") = "6"
    & skf21("7","7","4","3","1","4","6","1") = "6"
    & skf21("7","7","4","3","1","4","7","1") = "6"
    & skf21("7","7","4","3","1","5","1","1") = "6"
    & skf21("7","7","4","3","1","5","2","1") = "6"
    & skf21("7","7","4","3","1","5","3","1") = "6"
    & skf21("7","7","4","3","1","5","4","1") = "6"
    & skf21("7","7","4","3","1","5","5","1") = "6"
    & skf21("7","7","4","3","1","5","6","1") = "6"
    & skf21("7","7","4","3","1","5","7","1") = "6"
    & skf21("7","7","4","3","1","6","1","1") = "6"
    & skf21("7","7","4","3","1","6","2","1") = "6"
    & skf21("7","7","4","3","1","6","3","1") = "6"
    & skf21("7","7","4","3","1","6","4","1") = "6"
    & skf21("7","7","4","3","1","6","5","1") = "6"
    & skf21("7","7","4","3","1","6","6","1") = "6"
    & skf21("7","7","4","3","1","6","7","1") = "6"
    & skf21("7","7","4","3","1","7","1","1") = "6"
    & skf21("7","7","4","3","1","7","2","1") = "6"
    & skf21("7","7","4","3","1","7","3","1") = "6"
    & skf21("7","7","4","3","1","7","4","1") = "6"
    & skf21("7","7","4","3","1","7","5","1") = "6"
    & skf21("7","7","4","3","1","7","6","1") = "6"
    & skf21("7","7","4","3","1","7","7","1") = "6"
    & skf21("7","7","4","3","2","1","1","1") = "6"
    & skf21("7","7","4","3","2","1","2","1") = "6"
    & skf21("7","7","4","3","2","1","3","1") = "6"
    & skf21("7","7","4","3","2","1","4","1") = "6"
    & skf21("7","7","4","3","2","1","5","1") = "6"
    & skf21("7","7","4","3","2","1","6","1") = "6"
    & skf21("7","7","4","3","2","1","7","1") = "6"
    & skf21("7","7","4","3","2","2","1","1") = "6"
    & skf21("7","7","4","3","2","2","2","1") = "6"
    & skf21("7","7","4","3","2","2","3","1") = "6"
    & skf21("7","7","4","3","2","2","4","1") = "6"
    & skf21("7","7","4","3","2","2","5","1") = "6"
    & skf21("7","7","4","3","2","2","6","1") = "6"
    & skf21("7","7","4","3","2","2","7","1") = "6"
    & skf21("7","7","4","3","2","3","1","1") = "6"
    & skf21("7","7","4","3","2","3","2","1") = "6"
    & skf21("7","7","4","3","2","3","3","1") = "6"
    & skf21("7","7","4","3","2","3","4","1") = "6"
    & skf21("7","7","4","3","2","3","5","1") = "6"
    & skf21("7","7","4","3","2","3","6","1") = "6"
    & skf21("7","7","4","3","2","3","7","1") = "6"
    & skf21("7","7","4","3","2","4","1","1") = "6"
    & skf21("7","7","4","3","2","4","2","1") = "6"
    & skf21("7","7","4","3","2","4","3","1") = "6"
    & skf21("7","7","4","3","2","4","4","1") = "6"
    & skf21("7","7","4","3","2","4","5","1") = "6"
    & skf21("7","7","4","3","2","4","6","1") = "6"
    & skf21("7","7","4","3","2","4","7","1") = "6"
    & skf21("7","7","4","3","2","5","1","1") = "6"
    & skf21("7","7","4","3","2","5","2","1") = "6"
    & skf21("7","7","4","3","2","5","3","1") = "6"
    & skf21("7","7","4","3","2","5","4","1") = "6"
    & skf21("7","7","4","3","2","5","5","1") = "6"
    & skf21("7","7","4","3","2","5","6","1") = "6"
    & skf21("7","7","4","3","2","5","7","1") = "6"
    & skf21("7","7","4","3","2","6","1","1") = "6"
    & skf21("7","7","4","3","2","6","2","1") = "6"
    & skf21("7","7","4","3","2","6","3","1") = "6"
    & skf21("7","7","4","3","2","6","4","1") = "6"
    & skf21("7","7","4","3","2","6","5","1") = "6"
    & skf21("7","7","4","3","2","6","6","1") = "6"
    & skf21("7","7","4","3","2","6","7","1") = "6"
    & skf21("7","7","4","3","2","7","1","1") = "6"
    & skf21("7","7","4","3","2","7","2","1") = "6"
    & skf21("7","7","4","3","2","7","3","1") = "6"
    & skf21("7","7","4","3","2","7","4","1") = "6"
    & skf21("7","7","4","3","2","7","5","1") = "6"
    & skf21("7","7","4","3","2","7","6","1") = "6"
    & skf21("7","7","4","3","2","7","7","1") = "6"
    & skf21("7","7","4","3","3","1","1","1") = "6"
    & skf21("7","7","4","3","3","1","2","1") = "6"
    & skf21("7","7","4","3","3","1","3","1") = "6"
    & skf21("7","7","4","3","3","1","4","1") = "6"
    & skf21("7","7","4","3","3","1","5","1") = "6"
    & skf21("7","7","4","3","3","1","6","1") = "6"
    & skf21("7","7","4","3","3","1","7","1") = "6"
    & skf21("7","7","4","3","3","2","1","1") = "6"
    & skf21("7","7","4","3","3","2","2","1") = "6"
    & skf21("7","7","4","3","3","2","3","1") = "6"
    & skf21("7","7","4","3","3","2","4","1") = "6"
    & skf21("7","7","4","3","3","2","5","1") = "6"
    & skf21("7","7","4","3","3","2","6","1") = "6"
    & skf21("7","7","4","3","3","2","7","1") = "6"
    & skf21("7","7","4","3","3","3","1","1") = "6"
    & skf21("7","7","4","3","3","3","2","1") = "6"
    & skf21("7","7","4","3","3","3","3","1") = "6"
    & skf21("7","7","4","3","3","3","4","1") = "6"
    & skf21("7","7","4","3","3","3","5","1") = "6"
    & skf21("7","7","4","3","3","3","6","1") = "6"
    & skf21("7","7","4","3","3","3","7","1") = "6"
    & skf21("7","7","4","3","3","4","1","1") = "6"
    & skf21("7","7","4","3","3","4","2","1") = "6"
    & skf21("7","7","4","3","3","4","3","1") = "6"
    & skf21("7","7","4","3","3","4","4","1") = "6"
    & skf21("7","7","4","3","3","4","5","1") = "6"
    & skf21("7","7","4","3","3","4","6","1") = "6"
    & skf21("7","7","4","3","3","4","7","1") = "6"
    & skf21("7","7","4","3","3","5","1","1") = "6"
    & skf21("7","7","4","3","3","5","2","1") = "6"
    & skf21("7","7","4","3","3","5","3","1") = "6"
    & skf21("7","7","4","3","3","5","4","1") = "6"
    & skf21("7","7","4","3","3","5","5","1") = "6"
    & skf21("7","7","4","3","3","5","6","1") = "6"
    & skf21("7","7","4","3","3","5","7","1") = "6"
    & skf21("7","7","4","3","3","6","1","1") = "6"
    & skf21("7","7","4","3","3","6","2","1") = "6"
    & skf21("7","7","4","3","3","6","3","1") = "6"
    & skf21("7","7","4","3","3","6","4","1") = "6"
    & skf21("7","7","4","3","3","6","5","1") = "6"
    & skf21("7","7","4","3","3","6","6","1") = "6"
    & skf21("7","7","4","3","3","6","7","1") = "6"
    & skf21("7","7","4","3","3","7","1","1") = "6"
    & skf21("7","7","4","3","3","7","2","1") = "6"
    & skf21("7","7","4","3","3","7","3","1") = "6"
    & skf21("7","7","4","3","3","7","4","1") = "6"
    & skf21("7","7","4","3","3","7","5","1") = "6"
    & skf21("7","7","4","3","3","7","6","1") = "6"
    & skf21("7","7","4","3","3","7","7","1") = "6"
    & skf21("7","7","4","3","4","1","1","1") = "6"
    & skf21("7","7","4","3","4","1","2","1") = "6"
    & skf21("7","7","4","3","4","1","3","1") = "6"
    & skf21("7","7","4","3","4","1","4","1") = "6"
    & skf21("7","7","4","3","4","1","5","1") = "6"
    & skf21("7","7","4","3","4","1","6","1") = "6"
    & skf21("7","7","4","3","4","1","7","1") = "6"
    & skf21("7","7","4","3","4","2","1","1") = "6"
    & skf21("7","7","4","3","4","2","2","1") = "6"
    & skf21("7","7","4","3","4","2","3","1") = "6"
    & skf21("7","7","4","3","4","2","4","1") = "6"
    & skf21("7","7","4","3","4","2","5","1") = "6"
    & skf21("7","7","4","3","4","2","6","1") = "6"
    & skf21("7","7","4","3","4","2","7","1") = "6"
    & skf21("7","7","4","3","4","3","1","1") = "6"
    & skf21("7","7","4","3","4","3","2","1") = "6"
    & skf21("7","7","4","3","4","3","3","1") = "6"
    & skf21("7","7","4","3","4","3","4","1") = "6"
    & skf21("7","7","4","3","4","3","5","1") = "6"
    & skf21("7","7","4","3","4","3","6","1") = "6"
    & skf21("7","7","4","3","4","3","7","1") = "6"
    & skf21("7","7","4","3","4","4","1","1") = "6"
    & skf21("7","7","4","3","4","4","2","1") = "6"
    & skf21("7","7","4","3","4","4","3","1") = "6"
    & skf21("7","7","4","3","4","4","4","1") = "6"
    & skf21("7","7","4","3","4","4","5","1") = "6"
    & skf21("7","7","4","3","4","4","6","1") = "6"
    & skf21("7","7","4","3","4","4","7","1") = "6"
    & skf21("7","7","4","3","4","5","1","1") = "6"
    & skf21("7","7","4","3","4","5","2","1") = "6"
    & skf21("7","7","4","3","4","5","3","1") = "6"
    & skf21("7","7","4","3","4","5","4","1") = "6"
    & skf21("7","7","4","3","4","5","5","1") = "6"
    & skf21("7","7","4","3","4","5","6","1") = "6"
    & skf21("7","7","4","3","4","5","7","1") = "6"
    & skf21("7","7","4","3","4","6","1","1") = "6"
    & skf21("7","7","4","3","4","6","2","1") = "6"
    & skf21("7","7","4","3","4","6","3","1") = "6"
    & skf21("7","7","4","3","4","6","4","1") = "6"
    & skf21("7","7","4","3","4","6","5","1") = "6"
    & skf21("7","7","4","3","4","6","6","1") = "6"
    & skf21("7","7","4","3","4","6","7","1") = "6"
    & skf21("7","7","4","3","4","7","1","1") = "6"
    & skf21("7","7","4","3","4","7","2","1") = "6"
    & skf21("7","7","4","3","4","7","3","1") = "6"
    & skf21("7","7","4","3","4","7","4","1") = "6"
    & skf21("7","7","4","3","4","7","5","1") = "6"
    & skf21("7","7","4","3","4","7","6","1") = "6"
    & skf21("7","7","4","3","4","7","7","1") = "6"
    & skf21("7","7","4","3","5","1","1","1") = "6"
    & skf21("7","7","4","3","5","1","2","1") = "6"
    & skf21("7","7","4","3","5","1","3","1") = "6"
    & skf21("7","7","4","3","5","1","4","1") = "6"
    & skf21("7","7","4","3","5","1","5","1") = "6"
    & skf21("7","7","4","3","5","1","6","1") = "6"
    & skf21("7","7","4","3","5","1","7","1") = "6"
    & skf21("7","7","4","3","5","2","1","1") = "6"
    & skf21("7","7","4","3","5","2","2","1") = "6"
    & skf21("7","7","4","3","5","2","3","1") = "6"
    & skf21("7","7","4","3","5","2","4","1") = "6"
    & skf21("7","7","4","3","5","2","5","1") = "6"
    & skf21("7","7","4","3","5","2","6","1") = "6"
    & skf21("7","7","4","3","5","2","7","1") = "6"
    & skf21("7","7","4","3","5","3","1","1") = "6"
    & skf21("7","7","4","3","5","3","2","1") = "6"
    & skf21("7","7","4","3","5","3","3","1") = "6"
    & skf21("7","7","4","3","5","3","4","1") = "6"
    & skf21("7","7","4","3","5","3","5","1") = "6"
    & skf21("7","7","4","3","5","3","6","1") = "6"
    & skf21("7","7","4","3","5","3","7","1") = "6"
    & skf21("7","7","4","3","5","4","1","1") = "6"
    & skf21("7","7","4","3","5","4","2","1") = "6"
    & skf21("7","7","4","3","5","4","3","1") = "6"
    & skf21("7","7","4","3","5","4","4","1") = "6"
    & skf21("7","7","4","3","5","4","5","1") = "6"
    & skf21("7","7","4","3","5","4","6","1") = "6"
    & skf21("7","7","4","3","5","4","7","1") = "6"
    & skf21("7","7","4","3","5","5","1","1") = "6"
    & skf21("7","7","4","3","5","5","2","1") = "6"
    & skf21("7","7","4","3","5","5","3","1") = "6"
    & skf21("7","7","4","3","5","5","4","1") = "6"
    & skf21("7","7","4","3","5","5","5","1") = "6"
    & skf21("7","7","4","3","5","5","6","1") = "6"
    & skf21("7","7","4","3","5","5","7","1") = "6"
    & skf21("7","7","4","3","5","6","1","1") = "6"
    & skf21("7","7","4","3","5","6","2","1") = "6"
    & skf21("7","7","4","3","5","6","3","1") = "6"
    & skf21("7","7","4","3","5","6","4","1") = "6"
    & skf21("7","7","4","3","5","6","5","1") = "6"
    & skf21("7","7","4","3","5","6","6","1") = "6"
    & skf21("7","7","4","3","5","6","7","1") = "6"
    & skf21("7","7","4","3","5","7","1","1") = "6"
    & skf21("7","7","4","3","5","7","2","1") = "6"
    & skf21("7","7","4","3","5","7","3","1") = "6"
    & skf21("7","7","4","3","5","7","4","1") = "6"
    & skf21("7","7","4","3","5","7","5","1") = "6"
    & skf21("7","7","4","3","5","7","6","1") = "6"
    & skf21("7","7","4","3","5","7","7","1") = "6"
    & skf21("7","7","4","3","6","1","1","1") = "6"
    & skf21("7","7","4","3","6","1","2","1") = "6"
    & skf21("7","7","4","3","6","1","3","1") = "6"
    & skf21("7","7","4","3","6","1","4","1") = "6"
    & skf21("7","7","4","3","6","1","5","1") = "6"
    & skf21("7","7","4","3","6","1","6","1") = "6"
    & skf21("7","7","4","3","6","1","7","1") = "6"
    & skf21("7","7","4","3","6","2","1","1") = "6"
    & skf21("7","7","4","3","6","2","2","1") = "6"
    & skf21("7","7","4","3","6","2","3","1") = "6"
    & skf21("7","7","4","3","6","2","4","1") = "6"
    & skf21("7","7","4","3","6","2","5","1") = "6"
    & skf21("7","7","4","3","6","2","6","1") = "6"
    & skf21("7","7","4","3","6","2","7","1") = "6"
    & skf21("7","7","4","3","6","3","1","1") = "6"
    & skf21("7","7","4","3","6","3","2","1") = "6"
    & skf21("7","7","4","3","6","3","3","1") = "6"
    & skf21("7","7","4","3","6","3","4","1") = "6"
    & skf21("7","7","4","3","6","3","5","1") = "6"
    & skf21("7","7","4","3","6","3","6","1") = "6"
    & skf21("7","7","4","3","6","3","7","1") = "6"
    & skf21("7","7","4","3","6","4","1","1") = "6"
    & skf21("7","7","4","3","6","4","2","1") = "6"
    & skf21("7","7","4","3","6","4","3","1") = "6"
    & skf21("7","7","4","3","6","4","4","1") = "6"
    & skf21("7","7","4","3","6","4","5","1") = "6"
    & skf21("7","7","4","3","6","4","6","1") = "6"
    & skf21("7","7","4","3","6","4","7","1") = "6"
    & skf21("7","7","4","3","6","5","1","1") = "6"
    & skf21("7","7","4","3","6","5","2","1") = "6"
    & skf21("7","7","4","3","6","5","3","1") = "6"
    & skf21("7","7","4","3","6","5","4","1") = "6"
    & skf21("7","7","4","3","6","5","5","1") = "6"
    & skf21("7","7","4","3","6","5","6","1") = "6"
    & skf21("7","7","4","3","6","5","7","1") = "6"
    & skf21("7","7","4","3","6","6","1","1") = "6"
    & skf21("7","7","4","3","6","6","2","1") = "6"
    & skf21("7","7","4","3","6","6","3","1") = "6"
    & skf21("7","7","4","3","6","6","4","1") = "6"
    & skf21("7","7","4","3","6","6","5","1") = "6"
    & skf21("7","7","4","3","6","6","6","1") = "6"
    & skf21("7","7","4","3","6","6","7","1") = "6"
    & skf21("7","7","4","3","6","7","1","1") = "6"
    & skf21("7","7","4","3","6","7","2","1") = "6"
    & skf21("7","7","4","3","6","7","3","1") = "6"
    & skf21("7","7","4","3","6","7","4","1") = "6"
    & skf21("7","7","4","3","6","7","5","1") = "6"
    & skf21("7","7","4","3","6","7","6","1") = "6"
    & skf21("7","7","4","3","6","7","7","1") = "6"
    & skf21("7","7","4","3","7","1","1","1") = "6"
    & skf21("7","7","4","3","7","1","2","1") = "6"
    & skf21("7","7","4","3","7","1","3","1") = "6"
    & skf21("7","7","4","3","7","1","4","1") = "6"
    & skf21("7","7","4","3","7","1","5","1") = "6"
    & skf21("7","7","4","3","7","1","6","1") = "6"
    & skf21("7","7","4","3","7","1","7","1") = "6"
    & skf21("7","7","4","3","7","2","1","1") = "6"
    & skf21("7","7","4","3","7","2","2","1") = "6"
    & skf21("7","7","4","3","7","2","3","1") = "6"
    & skf21("7","7","4","3","7","2","4","1") = "6"
    & skf21("7","7","4","3","7","2","5","1") = "6"
    & skf21("7","7","4","3","7","2","6","1") = "6"
    & skf21("7","7","4","3","7","2","7","1") = "6"
    & skf21("7","7","4","3","7","3","1","1") = "6"
    & skf21("7","7","4","3","7","3","2","1") = "6"
    & skf21("7","7","4","3","7","3","3","1") = "6"
    & skf21("7","7","4","3","7","3","4","1") = "6"
    & skf21("7","7","4","3","7","3","5","1") = "6"
    & skf21("7","7","4","3","7","3","6","1") = "6"
    & skf21("7","7","4","3","7","3","7","1") = "6"
    & skf21("7","7","4","3","7","4","1","1") = "6"
    & skf21("7","7","4","3","7","4","2","1") = "6"
    & skf21("7","7","4","3","7","4","3","1") = "6"
    & skf21("7","7","4","3","7","4","4","1") = "6"
    & skf21("7","7","4","3","7","4","5","1") = "6"
    & skf21("7","7","4","3","7","4","6","1") = "6"
    & skf21("7","7","4","3","7","4","7","1") = "6"
    & skf21("7","7","4","3","7","5","1","1") = "6"
    & skf21("7","7","4","3","7","5","2","1") = "6"
    & skf21("7","7","4","3","7","5","3","1") = "6"
    & skf21("7","7","4","3","7","5","4","1") = "6"
    & skf21("7","7","4","3","7","5","5","1") = "6"
    & skf21("7","7","4","3","7","5","6","1") = "6"
    & skf21("7","7","4","3","7","5","7","1") = "6"
    & skf21("7","7","4","3","7","6","1","1") = "6"
    & skf21("7","7","4","3","7","6","2","1") = "6"
    & skf21("7","7","4","3","7","6","3","1") = "6"
    & skf21("7","7","4","3","7","6","4","1") = "6"
    & skf21("7","7","4","3","7","6","5","1") = "6"
    & skf21("7","7","4","3","7","6","6","1") = "6"
    & skf21("7","7","4","3","7","6","7","1") = "6"
    & skf21("7","7","4","3","7","7","1","1") = "6"
    & skf21("7","7","4","3","7","7","2","1") = "6"
    & skf21("7","7","4","3","7","7","3","1") = "6"
    & skf21("7","7","4","3","7","7","4","1") = "6"
    & skf21("7","7","4","3","7","7","5","1") = "6"
    & skf21("7","7","4","3","7","7","6","1") = "6"
    & skf21("7","7","4","3","7","7","7","1") = "6"
    & skf21("7","7","4","4","1","1","1","1") = "6"
    & skf21("7","7","4","4","1","1","2","1") = "6"
    & skf21("7","7","4","4","1","1","3","1") = "6"
    & skf21("7","7","4","4","1","1","4","1") = "6"
    & skf21("7","7","4","4","1","1","5","1") = "6"
    & skf21("7","7","4","4","1","1","6","1") = "6"
    & skf21("7","7","4","4","1","1","7","1") = "6"
    & skf21("7","7","4","4","1","2","1","1") = "6"
    & skf21("7","7","4","4","1","2","2","1") = "6"
    & skf21("7","7","4","4","1","2","3","1") = "6"
    & skf21("7","7","4","4","1","2","4","1") = "6"
    & skf21("7","7","4","4","1","2","5","1") = "6"
    & skf21("7","7","4","4","1","2","6","1") = "6"
    & skf21("7","7","4","4","1","2","7","1") = "6"
    & skf21("7","7","4","4","1","3","1","1") = "6"
    & skf21("7","7","4","4","1","3","2","1") = "6"
    & skf21("7","7","4","4","1","3","3","1") = "6"
    & skf21("7","7","4","4","1","3","4","1") = "6"
    & skf21("7","7","4","4","1","3","5","1") = "6"
    & skf21("7","7","4","4","1","3","6","1") = "6"
    & skf21("7","7","4","4","1","3","7","1") = "6"
    & skf21("7","7","4","4","1","4","1","1") = "6"
    & skf21("7","7","4","4","1","4","2","1") = "6"
    & skf21("7","7","4","4","1","4","3","1") = "6"
    & skf21("7","7","4","4","1","4","4","1") = "6"
    & skf21("7","7","4","4","1","4","5","1") = "6"
    & skf21("7","7","4","4","1","4","6","1") = "6"
    & skf21("7","7","4","4","1","4","7","1") = "6"
    & skf21("7","7","4","4","1","5","1","1") = "6"
    & skf21("7","7","4","4","1","5","2","1") = "6"
    & skf21("7","7","4","4","1","5","3","1") = "6"
    & skf21("7","7","4","4","1","5","4","1") = "6"
    & skf21("7","7","4","4","1","5","5","1") = "6"
    & skf21("7","7","4","4","1","5","6","1") = "6"
    & skf21("7","7","4","4","1","5","7","1") = "6"
    & skf21("7","7","4","4","1","6","1","1") = "6"
    & skf21("7","7","4","4","1","6","2","1") = "6"
    & skf21("7","7","4","4","1","6","3","1") = "6"
    & skf21("7","7","4","4","1","6","4","1") = "6"
    & skf21("7","7","4","4","1","6","5","1") = "6"
    & skf21("7","7","4","4","1","6","6","1") = "6"
    & skf21("7","7","4","4","1","6","7","1") = "6"
    & skf21("7","7","4","4","1","7","1","1") = "6"
    & skf21("7","7","4","4","1","7","2","1") = "6"
    & skf21("7","7","4","4","1","7","3","1") = "6"
    & skf21("7","7","4","4","1","7","4","1") = "6"
    & skf21("7","7","4","4","1","7","5","1") = "6"
    & skf21("7","7","4","4","1","7","6","1") = "6"
    & skf21("7","7","4","4","1","7","7","1") = "6"
    & skf21("7","7","4","4","2","1","1","1") = "6"
    & skf21("7","7","4","4","2","1","2","1") = "6"
    & skf21("7","7","4","4","2","1","3","1") = "6"
    & skf21("7","7","4","4","2","1","4","1") = "6"
    & skf21("7","7","4","4","2","1","5","1") = "6"
    & skf21("7","7","4","4","2","1","6","1") = "6"
    & skf21("7","7","4","4","2","1","7","1") = "6"
    & skf21("7","7","4","4","2","2","1","1") = "6"
    & skf21("7","7","4","4","2","2","2","1") = "6"
    & skf21("7","7","4","4","2","2","3","1") = "6"
    & skf21("7","7","4","4","2","2","4","1") = "6"
    & skf21("7","7","4","4","2","2","5","1") = "6"
    & skf21("7","7","4","4","2","2","6","1") = "6"
    & skf21("7","7","4","4","2","2","7","1") = "6"
    & skf21("7","7","4","4","2","3","1","1") = "6"
    & skf21("7","7","4","4","2","3","2","1") = "6"
    & skf21("7","7","4","4","2","3","3","1") = "6"
    & skf21("7","7","4","4","2","3","4","1") = "6"
    & skf21("7","7","4","4","2","3","5","1") = "6"
    & skf21("7","7","4","4","2","3","6","1") = "6"
    & skf21("7","7","4","4","2","3","7","1") = "6"
    & skf21("7","7","4","4","2","4","1","1") = "6"
    & skf21("7","7","4","4","2","4","2","1") = "6"
    & skf21("7","7","4","4","2","4","3","1") = "6"
    & skf21("7","7","4","4","2","4","4","1") = "6"
    & skf21("7","7","4","4","2","4","5","1") = "6"
    & skf21("7","7","4","4","2","4","6","1") = "6"
    & skf21("7","7","4","4","2","4","7","1") = "6"
    & skf21("7","7","4","4","2","5","1","1") = "6"
    & skf21("7","7","4","4","2","5","2","1") = "6"
    & skf21("7","7","4","4","2","5","3","1") = "6"
    & skf21("7","7","4","4","2","5","4","1") = "6"
    & skf21("7","7","4","4","2","5","5","1") = "6"
    & skf21("7","7","4","4","2","5","6","1") = "6"
    & skf21("7","7","4","4","2","5","7","1") = "6"
    & skf21("7","7","4","4","2","6","1","1") = "6"
    & skf21("7","7","4","4","2","6","2","1") = "6"
    & skf21("7","7","4","4","2","6","3","1") = "6"
    & skf21("7","7","4","4","2","6","4","1") = "6"
    & skf21("7","7","4","4","2","6","5","1") = "6"
    & skf21("7","7","4","4","2","6","6","1") = "6"
    & skf21("7","7","4","4","2","6","7","1") = "6"
    & skf21("7","7","4","4","2","7","1","1") = "6"
    & skf21("7","7","4","4","2","7","2","1") = "6"
    & skf21("7","7","4","4","2","7","3","1") = "6"
    & skf21("7","7","4","4","2","7","4","1") = "6"
    & skf21("7","7","4","4","2","7","5","1") = "6"
    & skf21("7","7","4","4","2","7","6","1") = "6"
    & skf21("7","7","4","4","2","7","7","1") = "6"
    & skf21("7","7","4","4","3","1","1","1") = "6"
    & skf21("7","7","4","4","3","1","2","1") = "6"
    & skf21("7","7","4","4","3","1","3","1") = "6"
    & skf21("7","7","4","4","3","1","4","1") = "6"
    & skf21("7","7","4","4","3","1","5","1") = "6"
    & skf21("7","7","4","4","3","1","6","1") = "6"
    & skf21("7","7","4","4","3","1","7","1") = "6"
    & skf21("7","7","4","4","3","2","1","1") = "6"
    & skf21("7","7","4","4","3","2","2","1") = "6"
    & skf21("7","7","4","4","3","2","3","1") = "6"
    & skf21("7","7","4","4","3","2","4","1") = "6"
    & skf21("7","7","4","4","3","2","5","1") = "6"
    & skf21("7","7","4","4","3","2","6","1") = "6"
    & skf21("7","7","4","4","3","2","7","1") = "6"
    & skf21("7","7","4","4","3","3","1","1") = "6"
    & skf21("7","7","4","4","3","3","2","1") = "6"
    & skf21("7","7","4","4","3","3","3","1") = "6"
    & skf21("7","7","4","4","3","3","4","1") = "6"
    & skf21("7","7","4","4","3","3","5","1") = "6"
    & skf21("7","7","4","4","3","3","6","1") = "6"
    & skf21("7","7","4","4","3","3","7","1") = "6"
    & skf21("7","7","4","4","3","4","1","1") = "6"
    & skf21("7","7","4","4","3","4","2","1") = "6"
    & skf21("7","7","4","4","3","4","3","1") = "6"
    & skf21("7","7","4","4","3","4","4","1") = "6"
    & skf21("7","7","4","4","3","4","5","1") = "6"
    & skf21("7","7","4","4","3","4","6","1") = "6"
    & skf21("7","7","4","4","3","4","7","1") = "6"
    & skf21("7","7","4","4","3","5","1","1") = "6"
    & skf21("7","7","4","4","3","5","2","1") = "6"
    & skf21("7","7","4","4","3","5","3","1") = "6"
    & skf21("7","7","4","4","3","5","4","1") = "6"
    & skf21("7","7","4","4","3","5","5","1") = "6"
    & skf21("7","7","4","4","3","5","6","1") = "6"
    & skf21("7","7","4","4","3","5","7","1") = "6"
    & skf21("7","7","4","4","3","6","1","1") = "6"
    & skf21("7","7","4","4","3","6","2","1") = "6"
    & skf21("7","7","4","4","3","6","3","1") = "6"
    & skf21("7","7","4","4","3","6","4","1") = "6"
    & skf21("7","7","4","4","3","6","5","1") = "6"
    & skf21("7","7","4","4","3","6","6","1") = "6"
    & skf21("7","7","4","4","3","6","7","1") = "6"
    & skf21("7","7","4","4","3","7","1","1") = "6"
    & skf21("7","7","4","4","3","7","2","1") = "6"
    & skf21("7","7","4","4","3","7","3","1") = "6"
    & skf21("7","7","4","4","3","7","4","1") = "6"
    & skf21("7","7","4","4","3","7","5","1") = "6"
    & skf21("7","7","4","4","3","7","6","1") = "6"
    & skf21("7","7","4","4","3","7","7","1") = "6"
    & skf21("7","7","4","4","4","1","1","1") = "6"
    & skf21("7","7","4","4","4","1","2","1") = "6"
    & skf21("7","7","4","4","4","1","3","1") = "6"
    & skf21("7","7","4","4","4","1","4","1") = "6"
    & skf21("7","7","4","4","4","1","5","1") = "6"
    & skf21("7","7","4","4","4","1","6","1") = "6"
    & skf21("7","7","4","4","4","1","7","1") = "6"
    & skf21("7","7","4","4","4","2","1","1") = "6"
    & skf21("7","7","4","4","4","2","2","1") = "6"
    & skf21("7","7","4","4","4","2","3","1") = "6"
    & skf21("7","7","4","4","4","2","4","1") = "6"
    & skf21("7","7","4","4","4","2","5","1") = "6"
    & skf21("7","7","4","4","4","2","6","1") = "6"
    & skf21("7","7","4","4","4","2","7","1") = "6"
    & skf21("7","7","4","4","4","3","1","1") = "6"
    & skf21("7","7","4","4","4","3","2","1") = "6"
    & skf21("7","7","4","4","4","3","3","1") = "6"
    & skf21("7","7","4","4","4","3","4","1") = "6"
    & skf21("7","7","4","4","4","3","5","1") = "6"
    & skf21("7","7","4","4","4","3","6","1") = "6"
    & skf21("7","7","4","4","4","3","7","1") = "6"
    & skf21("7","7","4","4","4","4","1","1") = "6"
    & skf21("7","7","4","4","4","4","2","1") = "6"
    & skf21("7","7","4","4","4","4","3","1") = "6"
    & skf21("7","7","4","4","4","4","4","1") = "6"
    & skf21("7","7","4","4","4","4","5","1") = "6"
    & skf21("7","7","4","4","4","4","6","1") = "6"
    & skf21("7","7","4","4","4","4","7","1") = "6"
    & skf21("7","7","4","4","4","5","1","1") = "6"
    & skf21("7","7","4","4","4","5","2","1") = "6"
    & skf21("7","7","4","4","4","5","3","1") = "6"
    & skf21("7","7","4","4","4","5","4","1") = "6"
    & skf21("7","7","4","4","4","5","5","1") = "6"
    & skf21("7","7","4","4","4","5","6","1") = "6"
    & skf21("7","7","4","4","4","5","7","1") = "6"
    & skf21("7","7","4","4","4","6","1","1") = "6"
    & skf21("7","7","4","4","4","6","2","1") = "6"
    & skf21("7","7","4","4","4","6","3","1") = "6"
    & skf21("7","7","4","4","4","6","4","1") = "6"
    & skf21("7","7","4","4","4","6","5","1") = "6"
    & skf21("7","7","4","4","4","6","6","1") = "6"
    & skf21("7","7","4","4","4","6","7","1") = "6"
    & skf21("7","7","4","4","4","7","1","1") = "6"
    & skf21("7","7","4","4","4","7","2","1") = "6"
    & skf21("7","7","4","4","4","7","3","1") = "6"
    & skf21("7","7","4","4","4","7","4","1") = "6"
    & skf21("7","7","4","4","4","7","5","1") = "6"
    & skf21("7","7","4","4","4","7","6","1") = "6"
    & skf21("7","7","4","4","4","7","7","1") = "6"
    & skf21("7","7","4","4","5","1","1","1") = "6"
    & skf21("7","7","4","4","5","1","2","1") = "6"
    & skf21("7","7","4","4","5","1","3","1") = "6"
    & skf21("7","7","4","4","5","1","4","1") = "6"
    & skf21("7","7","4","4","5","1","5","1") = "6"
    & skf21("7","7","4","4","5","1","6","1") = "6"
    & skf21("7","7","4","4","5","1","7","1") = "6"
    & skf21("7","7","4","4","5","2","1","1") = "6"
    & skf21("7","7","4","4","5","2","2","1") = "6"
    & skf21("7","7","4","4","5","2","3","1") = "6"
    & skf21("7","7","4","4","5","2","4","1") = "6"
    & skf21("7","7","4","4","5","2","5","1") = "6"
    & skf21("7","7","4","4","5","2","6","1") = "6"
    & skf21("7","7","4","4","5","2","7","1") = "6"
    & skf21("7","7","4","4","5","3","1","1") = "6"
    & skf21("7","7","4","4","5","3","2","1") = "6"
    & skf21("7","7","4","4","5","3","3","1") = "6"
    & skf21("7","7","4","4","5","3","4","1") = "6"
    & skf21("7","7","4","4","5","3","5","1") = "6"
    & skf21("7","7","4","4","5","3","6","1") = "6"
    & skf21("7","7","4","4","5","3","7","1") = "6"
    & skf21("7","7","4","4","5","4","1","1") = "6"
    & skf21("7","7","4","4","5","4","2","1") = "6"
    & skf21("7","7","4","4","5","4","3","1") = "6"
    & skf21("7","7","4","4","5","4","4","1") = "6"
    & skf21("7","7","4","4","5","4","5","1") = "6"
    & skf21("7","7","4","4","5","4","6","1") = "6"
    & skf21("7","7","4","4","5","4","7","1") = "6"
    & skf21("7","7","4","4","5","5","1","1") = "6"
    & skf21("7","7","4","4","5","5","2","1") = "6"
    & skf21("7","7","4","4","5","5","3","1") = "6"
    & skf21("7","7","4","4","5","5","4","1") = "6"
    & skf21("7","7","4","4","5","5","5","1") = "6"
    & skf21("7","7","4","4","5","5","6","1") = "6"
    & skf21("7","7","4","4","5","5","7","1") = "6"
    & skf21("7","7","4","4","5","6","1","1") = "6"
    & skf21("7","7","4","4","5","6","2","1") = "6"
    & skf21("7","7","4","4","5","6","3","1") = "6"
    & skf21("7","7","4","4","5","6","4","1") = "6"
    & skf21("7","7","4","4","5","6","5","1") = "6"
    & skf21("7","7","4","4","5","6","6","1") = "6"
    & skf21("7","7","4","4","5","6","7","1") = "6"
    & skf21("7","7","4","4","5","7","1","1") = "6"
    & skf21("7","7","4","4","5","7","2","1") = "6"
    & skf21("7","7","4","4","5","7","3","1") = "6"
    & skf21("7","7","4","4","5","7","4","1") = "6"
    & skf21("7","7","4","4","5","7","5","1") = "6"
    & skf21("7","7","4","4","5","7","6","1") = "6"
    & skf21("7","7","4","4","5","7","7","1") = "6"
    & skf21("7","7","4","4","6","1","1","1") = "6"
    & skf21("7","7","4","4","6","1","2","1") = "6"
    & skf21("7","7","4","4","6","1","3","1") = "6"
    & skf21("7","7","4","4","6","1","4","1") = "6"
    & skf21("7","7","4","4","6","1","5","1") = "6"
    & skf21("7","7","4","4","6","1","6","1") = "6"
    & skf21("7","7","4","4","6","1","7","1") = "6"
    & skf21("7","7","4","4","6","2","1","1") = "6"
    & skf21("7","7","4","4","6","2","2","1") = "6"
    & skf21("7","7","4","4","6","2","3","1") = "6"
    & skf21("7","7","4","4","6","2","4","1") = "6"
    & skf21("7","7","4","4","6","2","5","1") = "6"
    & skf21("7","7","4","4","6","2","6","1") = "6"
    & skf21("7","7","4","4","6","2","7","1") = "6"
    & skf21("7","7","4","4","6","3","1","1") = "6"
    & skf21("7","7","4","4","6","3","2","1") = "6"
    & skf21("7","7","4","4","6","3","3","1") = "6"
    & skf21("7","7","4","4","6","3","4","1") = "6"
    & skf21("7","7","4","4","6","3","5","1") = "6"
    & skf21("7","7","4","4","6","3","6","1") = "6"
    & skf21("7","7","4","4","6","3","7","1") = "6"
    & skf21("7","7","4","4","6","4","1","1") = "6"
    & skf21("7","7","4","4","6","4","2","1") = "6"
    & skf21("7","7","4","4","6","4","3","1") = "6"
    & skf21("7","7","4","4","6","4","4","1") = "6"
    & skf21("7","7","4","4","6","4","5","1") = "6"
    & skf21("7","7","4","4","6","4","6","1") = "6"
    & skf21("7","7","4","4","6","4","7","1") = "6"
    & skf21("7","7","4","4","6","5","1","1") = "6"
    & skf21("7","7","4","4","6","5","2","1") = "6"
    & skf21("7","7","4","4","6","5","3","1") = "6"
    & skf21("7","7","4","4","6","5","4","1") = "6"
    & skf21("7","7","4","4","6","5","5","1") = "6"
    & skf21("7","7","4","4","6","5","6","1") = "6"
    & skf21("7","7","4","4","6","5","7","1") = "6"
    & skf21("7","7","4","4","6","6","1","1") = "6"
    & skf21("7","7","4","4","6","6","2","1") = "6"
    & skf21("7","7","4","4","6","6","3","1") = "6"
    & skf21("7","7","4","4","6","6","4","1") = "6"
    & skf21("7","7","4","4","6","6","5","1") = "6"
    & skf21("7","7","4","4","6","6","6","1") = "6"
    & skf21("7","7","4","4","6","6","7","1") = "6"
    & skf21("7","7","4","4","6","7","1","1") = "6"
    & skf21("7","7","4","4","6","7","2","1") = "6"
    & skf21("7","7","4","4","6","7","3","1") = "6"
    & skf21("7","7","4","4","6","7","4","1") = "6"
    & skf21("7","7","4","4","6","7","5","1") = "6"
    & skf21("7","7","4","4","6","7","6","1") = "6"
    & skf21("7","7","4","4","6","7","7","1") = "6"
    & skf21("7","7","4","4","7","1","1","1") = "6"
    & skf21("7","7","4","4","7","1","2","1") = "6"
    & skf21("7","7","4","4","7","1","3","1") = "6"
    & skf21("7","7","4","4","7","1","4","1") = "6"
    & skf21("7","7","4","4","7","1","5","1") = "6"
    & skf21("7","7","4","4","7","1","6","1") = "6"
    & skf21("7","7","4","4","7","1","7","1") = "6"
    & skf21("7","7","4","4","7","2","1","1") = "6"
    & skf21("7","7","4","4","7","2","2","1") = "6"
    & skf21("7","7","4","4","7","2","3","1") = "6"
    & skf21("7","7","4","4","7","2","4","1") = "6"
    & skf21("7","7","4","4","7","2","5","1") = "6"
    & skf21("7","7","4","4","7","2","6","1") = "6"
    & skf21("7","7","4","4","7","2","7","1") = "6"
    & skf21("7","7","4","4","7","3","1","1") = "6"
    & skf21("7","7","4","4","7","3","2","1") = "6"
    & skf21("7","7","4","4","7","3","3","1") = "6"
    & skf21("7","7","4","4","7","3","4","1") = "6"
    & skf21("7","7","4","4","7","3","5","1") = "6"
    & skf21("7","7","4","4","7","3","6","1") = "6"
    & skf21("7","7","4","4","7","3","7","1") = "6"
    & skf21("7","7","4","4","7","4","1","1") = "6"
    & skf21("7","7","4","4","7","4","2","1") = "6"
    & skf21("7","7","4","4","7","4","3","1") = "6"
    & skf21("7","7","4","4","7","4","4","1") = "6"
    & skf21("7","7","4","4","7","4","5","1") = "6"
    & skf21("7","7","4","4","7","4","6","1") = "6"
    & skf21("7","7","4","4","7","4","7","1") = "6"
    & skf21("7","7","4","4","7","5","1","1") = "6"
    & skf21("7","7","4","4","7","5","2","1") = "6"
    & skf21("7","7","4","4","7","5","3","1") = "6"
    & skf21("7","7","4","4","7","5","4","1") = "6"
    & skf21("7","7","4","4","7","5","5","1") = "6"
    & skf21("7","7","4","4","7","5","6","1") = "6"
    & skf21("7","7","4","4","7","5","7","1") = "6"
    & skf21("7","7","4","4","7","6","1","1") = "6"
    & skf21("7","7","4","4","7","6","2","1") = "6"
    & skf21("7","7","4","4","7","6","3","1") = "6"
    & skf21("7","7","4","4","7","6","4","1") = "6"
    & skf21("7","7","4","4","7","6","5","1") = "6"
    & skf21("7","7","4","4","7","6","6","1") = "6"
    & skf21("7","7","4","4","7","6","7","1") = "6"
    & skf21("7","7","4","4","7","7","1","1") = "6"
    & skf21("7","7","4","4","7","7","2","1") = "6"
    & skf21("7","7","4","4","7","7","3","1") = "6"
    & skf21("7","7","4","4","7","7","4","1") = "6"
    & skf21("7","7","4","4","7","7","5","1") = "6"
    & skf21("7","7","4","4","7","7","6","1") = "6"
    & skf21("7","7","4","4","7","7","7","1") = "6"
    & skf21("7","7","4","5","1","1","1","1") = "6"
    & skf21("7","7","4","5","1","1","2","1") = "6"
    & skf21("7","7","4","5","1","1","3","1") = "6"
    & skf21("7","7","4","5","1","1","4","1") = "6"
    & skf21("7","7","4","5","1","1","5","1") = "6"
    & skf21("7","7","4","5","1","1","6","1") = "6"
    & skf21("7","7","4","5","1","1","7","1") = "6"
    & skf21("7","7","4","5","1","2","1","1") = "6"
    & skf21("7","7","4","5","1","2","2","1") = "6"
    & skf21("7","7","4","5","1","2","3","1") = "6"
    & skf21("7","7","4","5","1","2","4","1") = "6"
    & skf21("7","7","4","5","1","2","5","1") = "6"
    & skf21("7","7","4","5","1","2","6","1") = "6"
    & skf21("7","7","4","5","1","2","7","1") = "6"
    & skf21("7","7","4","5","1","3","1","1") = "6"
    & skf21("7","7","4","5","1","3","2","1") = "6"
    & skf21("7","7","4","5","1","3","3","1") = "6"
    & skf21("7","7","4","5","1","3","4","1") = "6"
    & skf21("7","7","4","5","1","3","5","1") = "6"
    & skf21("7","7","4","5","1","3","6","1") = "6"
    & skf21("7","7","4","5","1","3","7","1") = "6"
    & skf21("7","7","4","5","1","4","1","1") = "6"
    & skf21("7","7","4","5","1","4","2","1") = "6"
    & skf21("7","7","4","5","1","4","3","1") = "6"
    & skf21("7","7","4","5","1","4","4","1") = "6"
    & skf21("7","7","4","5","1","4","5","1") = "6"
    & skf21("7","7","4","5","1","4","6","1") = "6"
    & skf21("7","7","4","5","1","4","7","1") = "6"
    & skf21("7","7","4","5","1","5","1","1") = "6"
    & skf21("7","7","4","5","1","5","2","1") = "6"
    & skf21("7","7","4","5","1","5","3","1") = "6"
    & skf21("7","7","4","5","1","5","4","1") = "6"
    & skf21("7","7","4","5","1","5","5","1") = "6"
    & skf21("7","7","4","5","1","5","6","1") = "6"
    & skf21("7","7","4","5","1","5","7","1") = "6"
    & skf21("7","7","4","5","1","6","1","1") = "6"
    & skf21("7","7","4","5","1","6","2","1") = "6"
    & skf21("7","7","4","5","1","6","3","1") = "6"
    & skf21("7","7","4","5","1","6","4","1") = "6"
    & skf21("7","7","4","5","1","6","5","1") = "6"
    & skf21("7","7","4","5","1","6","6","1") = "6"
    & skf21("7","7","4","5","1","6","7","1") = "6"
    & skf21("7","7","4","5","1","7","1","1") = "6"
    & skf21("7","7","4","5","1","7","2","1") = "6"
    & skf21("7","7","4","5","1","7","3","1") = "6"
    & skf21("7","7","4","5","1","7","4","1") = "6"
    & skf21("7","7","4","5","1","7","5","1") = "6"
    & skf21("7","7","4","5","1","7","6","1") = "6"
    & skf21("7","7","4","5","1","7","7","1") = "6"
    & skf21("7","7","4","5","2","1","1","1") = "6"
    & skf21("7","7","4","5","2","1","2","1") = "6"
    & skf21("7","7","4","5","2","1","3","1") = "6"
    & skf21("7","7","4","5","2","1","4","1") = "6"
    & skf21("7","7","4","5","2","1","5","1") = "6"
    & skf21("7","7","4","5","2","1","6","1") = "6"
    & skf21("7","7","4","5","2","1","7","1") = "6"
    & skf21("7","7","4","5","2","2","1","1") = "6"
    & skf21("7","7","4","5","2","2","2","1") = "6"
    & skf21("7","7","4","5","2","2","3","1") = "6"
    & skf21("7","7","4","5","2","2","4","1") = "6"
    & skf21("7","7","4","5","2","2","5","1") = "6"
    & skf21("7","7","4","5","2","2","6","1") = "6"
    & skf21("7","7","4","5","2","2","7","1") = "6"
    & skf21("7","7","4","5","2","3","1","1") = "6"
    & skf21("7","7","4","5","2","3","2","1") = "6"
    & skf21("7","7","4","5","2","3","3","1") = "6"
    & skf21("7","7","4","5","2","3","4","1") = "6"
    & skf21("7","7","4","5","2","3","5","1") = "6"
    & skf21("7","7","4","5","2","3","6","1") = "6"
    & skf21("7","7","4","5","2","3","7","1") = "6"
    & skf21("7","7","4","5","2","4","1","1") = "6"
    & skf21("7","7","4","5","2","4","2","1") = "6"
    & skf21("7","7","4","5","2","4","3","1") = "6"
    & skf21("7","7","4","5","2","4","4","1") = "6"
    & skf21("7","7","4","5","2","4","5","1") = "6"
    & skf21("7","7","4","5","2","4","6","1") = "6"
    & skf21("7","7","4","5","2","4","7","1") = "6"
    & skf21("7","7","4","5","2","5","1","1") = "6"
    & skf21("7","7","4","5","2","5","2","1") = "6"
    & skf21("7","7","4","5","2","5","3","1") = "6"
    & skf21("7","7","4","5","2","5","4","1") = "6"
    & skf21("7","7","4","5","2","5","5","1") = "6"
    & skf21("7","7","4","5","2","5","6","1") = "6"
    & skf21("7","7","4","5","2","5","7","1") = "6"
    & skf21("7","7","4","5","2","6","1","1") = "6"
    & skf21("7","7","4","5","2","6","2","1") = "6"
    & skf21("7","7","4","5","2","6","3","1") = "6"
    & skf21("7","7","4","5","2","6","4","1") = "6"
    & skf21("7","7","4","5","2","6","5","1") = "6"
    & skf21("7","7","4","5","2","6","6","1") = "6"
    & skf21("7","7","4","5","2","6","7","1") = "6"
    & skf21("7","7","4","5","2","7","1","1") = "6"
    & skf21("7","7","4","5","2","7","2","1") = "6"
    & skf21("7","7","4","5","2","7","3","1") = "6"
    & skf21("7","7","4","5","2","7","4","1") = "6"
    & skf21("7","7","4","5","2","7","5","1") = "6"
    & skf21("7","7","4","5","2","7","6","1") = "6"
    & skf21("7","7","4","5","2","7","7","1") = "6"
    & skf21("7","7","4","5","3","1","1","1") = "6"
    & skf21("7","7","4","5","3","1","2","1") = "6"
    & skf21("7","7","4","5","3","1","3","1") = "6"
    & skf21("7","7","4","5","3","1","4","1") = "6"
    & skf21("7","7","4","5","3","1","5","1") = "6"
    & skf21("7","7","4","5","3","1","6","1") = "6"
    & skf21("7","7","4","5","3","1","7","1") = "6"
    & skf21("7","7","4","5","3","2","1","1") = "6"
    & skf21("7","7","4","5","3","2","2","1") = "6"
    & skf21("7","7","4","5","3","2","3","1") = "6"
    & skf21("7","7","4","5","3","2","4","1") = "6"
    & skf21("7","7","4","5","3","2","5","1") = "6"
    & skf21("7","7","4","5","3","2","6","1") = "6"
    & skf21("7","7","4","5","3","2","7","1") = "6"
    & skf21("7","7","4","5","3","3","1","1") = "6"
    & skf21("7","7","4","5","3","3","2","1") = "6"
    & skf21("7","7","4","5","3","3","3","1") = "6"
    & skf21("7","7","4","5","3","3","4","1") = "6"
    & skf21("7","7","4","5","3","3","5","1") = "6"
    & skf21("7","7","4","5","3","3","6","1") = "6"
    & skf21("7","7","4","5","3","3","7","1") = "6"
    & skf21("7","7","4","5","3","4","1","1") = "6"
    & skf21("7","7","4","5","3","4","2","1") = "6"
    & skf21("7","7","4","5","3","4","3","1") = "6"
    & skf21("7","7","4","5","3","4","4","1") = "6"
    & skf21("7","7","4","5","3","4","5","1") = "6"
    & skf21("7","7","4","5","3","4","6","1") = "6"
    & skf21("7","7","4","5","3","4","7","1") = "6"
    & skf21("7","7","4","5","3","5","1","1") = "6"
    & skf21("7","7","4","5","3","5","2","1") = "6"
    & skf21("7","7","4","5","3","5","3","1") = "6"
    & skf21("7","7","4","5","3","5","4","1") = "6"
    & skf21("7","7","4","5","3","5","5","1") = "6"
    & skf21("7","7","4","5","3","5","6","1") = "6"
    & skf21("7","7","4","5","3","5","7","1") = "6"
    & skf21("7","7","4","5","3","6","1","1") = "6"
    & skf21("7","7","4","5","3","6","2","1") = "6"
    & skf21("7","7","4","5","3","6","3","1") = "6"
    & skf21("7","7","4","5","3","6","4","1") = "6"
    & skf21("7","7","4","5","3","6","5","1") = "6"
    & skf21("7","7","4","5","3","6","6","1") = "6"
    & skf21("7","7","4","5","3","6","7","1") = "6"
    & skf21("7","7","4","5","3","7","1","1") = "6"
    & skf21("7","7","4","5","3","7","2","1") = "6"
    & skf21("7","7","4","5","3","7","3","1") = "6"
    & skf21("7","7","4","5","3","7","4","1") = "6"
    & skf21("7","7","4","5","3","7","5","1") = "6"
    & skf21("7","7","4","5","3","7","6","1") = "6"
    & skf21("7","7","4","5","3","7","7","1") = "6"
    & skf21("7","7","4","5","4","1","1","1") = "6"
    & skf21("7","7","4","5","4","1","2","1") = "6"
    & skf21("7","7","4","5","4","1","3","1") = "6"
    & skf21("7","7","4","5","4","1","4","1") = "6"
    & skf21("7","7","4","5","4","1","5","1") = "6"
    & skf21("7","7","4","5","4","1","6","1") = "6"
    & skf21("7","7","4","5","4","1","7","1") = "6"
    & skf21("7","7","4","5","4","2","1","1") = "6"
    & skf21("7","7","4","5","4","2","2","1") = "6"
    & skf21("7","7","4","5","4","2","3","1") = "6"
    & skf21("7","7","4","5","4","2","4","1") = "6"
    & skf21("7","7","4","5","4","2","5","1") = "6"
    & skf21("7","7","4","5","4","2","6","1") = "6"
    & skf21("7","7","4","5","4","2","7","1") = "6"
    & skf21("7","7","4","5","4","3","1","1") = "6"
    & skf21("7","7","4","5","4","3","2","1") = "6"
    & skf21("7","7","4","5","4","3","3","1") = "6"
    & skf21("7","7","4","5","4","3","4","1") = "6"
    & skf21("7","7","4","5","4","3","5","1") = "6"
    & skf21("7","7","4","5","4","3","6","1") = "6"
    & skf21("7","7","4","5","4","3","7","1") = "6"
    & skf21("7","7","4","5","4","4","1","1") = "6"
    & skf21("7","7","4","5","4","4","2","1") = "6"
    & skf21("7","7","4","5","4","4","3","1") = "6"
    & skf21("7","7","4","5","4","4","4","1") = "6"
    & skf21("7","7","4","5","4","4","5","1") = "6"
    & skf21("7","7","4","5","4","4","6","1") = "6"
    & skf21("7","7","4","5","4","4","7","1") = "6"
    & skf21("7","7","4","5","4","5","1","1") = "6"
    & skf21("7","7","4","5","4","5","2","1") = "6"
    & skf21("7","7","4","5","4","5","3","1") = "6"
    & skf21("7","7","4","5","4","5","4","1") = "6"
    & skf21("7","7","4","5","4","5","5","1") = "6"
    & skf21("7","7","4","5","4","5","6","1") = "6"
    & skf21("7","7","4","5","4","5","7","1") = "6"
    & skf21("7","7","4","5","4","6","1","1") = "6"
    & skf21("7","7","4","5","4","6","2","1") = "6"
    & skf21("7","7","4","5","4","6","3","1") = "6"
    & skf21("7","7","4","5","4","6","4","1") = "6"
    & skf21("7","7","4","5","4","6","5","1") = "6"
    & skf21("7","7","4","5","4","6","6","1") = "6"
    & skf21("7","7","4","5","4","6","7","1") = "6"
    & skf21("7","7","4","5","4","7","1","1") = "6"
    & skf21("7","7","4","5","4","7","2","1") = "6"
    & skf21("7","7","4","5","4","7","3","1") = "6"
    & skf21("7","7","4","5","4","7","4","1") = "6"
    & skf21("7","7","4","5","4","7","5","1") = "6"
    & skf21("7","7","4","5","4","7","6","1") = "6"
    & skf21("7","7","4","5","4","7","7","1") = "6"
    & skf21("7","7","4","5","5","1","1","1") = "6"
    & skf21("7","7","4","5","5","1","2","1") = "6"
    & skf21("7","7","4","5","5","1","3","1") = "6"
    & skf21("7","7","4","5","5","1","4","1") = "6"
    & skf21("7","7","4","5","5","1","5","1") = "6"
    & skf21("7","7","4","5","5","1","6","1") = "6"
    & skf21("7","7","4","5","5","1","7","1") = "6"
    & skf21("7","7","4","5","5","2","1","1") = "6"
    & skf21("7","7","4","5","5","2","2","1") = "6"
    & skf21("7","7","4","5","5","2","3","1") = "6"
    & skf21("7","7","4","5","5","2","4","1") = "6"
    & skf21("7","7","4","5","5","2","5","1") = "6"
    & skf21("7","7","4","5","5","2","6","1") = "6"
    & skf21("7","7","4","5","5","2","7","1") = "6"
    & skf21("7","7","4","5","5","3","1","1") = "6"
    & skf21("7","7","4","5","5","3","2","1") = "6"
    & skf21("7","7","4","5","5","3","3","1") = "6"
    & skf21("7","7","4","5","5","3","4","1") = "6"
    & skf21("7","7","4","5","5","3","5","1") = "6"
    & skf21("7","7","4","5","5","3","6","1") = "6"
    & skf21("7","7","4","5","5","3","7","1") = "6"
    & skf21("7","7","4","5","5","4","1","1") = "6"
    & skf21("7","7","4","5","5","4","2","1") = "6"
    & skf21("7","7","4","5","5","4","3","1") = "6"
    & skf21("7","7","4","5","5","4","4","1") = "6"
    & skf21("7","7","4","5","5","4","5","1") = "6"
    & skf21("7","7","4","5","5","4","6","1") = "6"
    & skf21("7","7","4","5","5","4","7","1") = "6"
    & skf21("7","7","4","5","5","5","1","1") = "6"
    & skf21("7","7","4","5","5","5","2","1") = "6"
    & skf21("7","7","4","5","5","5","3","1") = "6"
    & skf21("7","7","4","5","5","5","4","1") = "6"
    & skf21("7","7","4","5","5","5","5","1") = "6"
    & skf21("7","7","4","5","5","5","6","1") = "6"
    & skf21("7","7","4","5","5","5","7","1") = "6"
    & skf21("7","7","4","5","5","6","1","1") = "6"
    & skf21("7","7","4","5","5","6","2","1") = "6"
    & skf21("7","7","4","5","5","6","3","1") = "6"
    & skf21("7","7","4","5","5","6","4","1") = "6"
    & skf21("7","7","4","5","5","6","5","1") = "6"
    & skf21("7","7","4","5","5","6","6","1") = "6"
    & skf21("7","7","4","5","5","6","7","1") = "6"
    & skf21("7","7","4","5","5","7","1","1") = "6"
    & skf21("7","7","4","5","5","7","2","1") = "6"
    & skf21("7","7","4","5","5","7","3","1") = "6"
    & skf21("7","7","4","5","5","7","4","1") = "6"
    & skf21("7","7","4","5","5","7","5","1") = "6"
    & skf21("7","7","4","5","5","7","6","1") = "6"
    & skf21("7","7","4","5","5","7","7","1") = "6"
    & skf21("7","7","4","5","6","1","1","1") = "6"
    & skf21("7","7","4","5","6","1","2","1") = "6"
    & skf21("7","7","4","5","6","1","3","1") = "6"
    & skf21("7","7","4","5","6","1","4","1") = "6"
    & skf21("7","7","4","5","6","1","5","1") = "6"
    & skf21("7","7","4","5","6","1","6","1") = "6"
    & skf21("7","7","4","5","6","1","7","1") = "6"
    & skf21("7","7","4","5","6","2","1","1") = "6"
    & skf21("7","7","4","5","6","2","2","1") = "6"
    & skf21("7","7","4","5","6","2","3","1") = "6"
    & skf21("7","7","4","5","6","2","4","1") = "6"
    & skf21("7","7","4","5","6","2","5","1") = "6"
    & skf21("7","7","4","5","6","2","6","1") = "6"
    & skf21("7","7","4","5","6","2","7","1") = "6"
    & skf21("7","7","4","5","6","3","1","1") = "6"
    & skf21("7","7","4","5","6","3","2","1") = "6"
    & skf21("7","7","4","5","6","3","3","1") = "6"
    & skf21("7","7","4","5","6","3","4","1") = "6"
    & skf21("7","7","4","5","6","3","5","1") = "6"
    & skf21("7","7","4","5","6","3","6","1") = "6"
    & skf21("7","7","4","5","6","3","7","1") = "6"
    & skf21("7","7","4","5","6","4","1","1") = "6"
    & skf21("7","7","4","5","6","4","2","1") = "6"
    & skf21("7","7","4","5","6","4","3","1") = "6"
    & skf21("7","7","4","5","6","4","4","1") = "6"
    & skf21("7","7","4","5","6","4","5","1") = "6"
    & skf21("7","7","4","5","6","4","6","1") = "6"
    & skf21("7","7","4","5","6","4","7","1") = "6"
    & skf21("7","7","4","5","6","5","1","1") = "6"
    & skf21("7","7","4","5","6","5","2","1") = "6"
    & skf21("7","7","4","5","6","5","3","1") = "6"
    & skf21("7","7","4","5","6","5","4","1") = "6"
    & skf21("7","7","4","5","6","5","5","1") = "6"
    & skf21("7","7","4","5","6","5","6","1") = "6"
    & skf21("7","7","4","5","6","5","7","1") = "6"
    & skf21("7","7","4","5","6","6","1","1") = "6"
    & skf21("7","7","4","5","6","6","2","1") = "6"
    & skf21("7","7","4","5","6","6","3","1") = "6"
    & skf21("7","7","4","5","6","6","4","1") = "6"
    & skf21("7","7","4","5","6","6","5","1") = "6"
    & skf21("7","7","4","5","6","6","6","1") = "6"
    & skf21("7","7","4","5","6","6","7","1") = "6"
    & skf21("7","7","4","5","6","7","1","1") = "6"
    & skf21("7","7","4","5","6","7","2","1") = "6"
    & skf21("7","7","4","5","6","7","3","1") = "6"
    & skf21("7","7","4","5","6","7","4","1") = "6"
    & skf21("7","7","4","5","6","7","5","1") = "6"
    & skf21("7","7","4","5","6","7","6","1") = "6"
    & skf21("7","7","4","5","6","7","7","1") = "6"
    & skf21("7","7","4","5","7","1","1","1") = "6"
    & skf21("7","7","4","5","7","1","2","1") = "6"
    & skf21("7","7","4","5","7","1","3","1") = "6"
    & skf21("7","7","4","5","7","1","4","1") = "6"
    & skf21("7","7","4","5","7","1","5","1") = "6"
    & skf21("7","7","4","5","7","1","6","1") = "6"
    & skf21("7","7","4","5","7","1","7","1") = "6"
    & skf21("7","7","4","5","7","2","1","1") = "6"
    & skf21("7","7","4","5","7","2","2","1") = "6"
    & skf21("7","7","4","5","7","2","3","1") = "6"
    & skf21("7","7","4","5","7","2","4","1") = "6"
    & skf21("7","7","4","5","7","2","5","1") = "6"
    & skf21("7","7","4","5","7","2","6","1") = "6"
    & skf21("7","7","4","5","7","2","7","1") = "6"
    & skf21("7","7","4","5","7","3","1","1") = "6"
    & skf21("7","7","4","5","7","3","2","1") = "6"
    & skf21("7","7","4","5","7","3","3","1") = "6"
    & skf21("7","7","4","5","7","3","4","1") = "6"
    & skf21("7","7","4","5","7","3","5","1") = "6"
    & skf21("7","7","4","5","7","3","6","1") = "6"
    & skf21("7","7","4","5","7","3","7","1") = "6"
    & skf21("7","7","4","5","7","4","1","1") = "6"
    & skf21("7","7","4","5","7","4","2","1") = "6"
    & skf21("7","7","4","5","7","4","3","1") = "6"
    & skf21("7","7","4","5","7","4","4","1") = "6"
    & skf21("7","7","4","5","7","4","5","1") = "6"
    & skf21("7","7","4","5","7","4","6","1") = "6"
    & skf21("7","7","4","5","7","4","7","1") = "6"
    & skf21("7","7","4","5","7","5","1","1") = "6"
    & skf21("7","7","4","5","7","5","2","1") = "6"
    & skf21("7","7","4","5","7","5","3","1") = "6"
    & skf21("7","7","4","5","7","5","4","1") = "6"
    & skf21("7","7","4","5","7","5","5","1") = "6"
    & skf21("7","7","4","5","7","5","6","1") = "6"
    & skf21("7","7","4","5","7","5","7","1") = "6"
    & skf21("7","7","4","5","7","6","1","1") = "6"
    & skf21("7","7","4","5","7","6","2","1") = "6"
    & skf21("7","7","4","5","7","6","3","1") = "6"
    & skf21("7","7","4","5","7","6","4","1") = "6"
    & skf21("7","7","4","5","7","6","5","1") = "6"
    & skf21("7","7","4","5","7","6","6","1") = "6"
    & skf21("7","7","4","5","7","6","7","1") = "6"
    & skf21("7","7","4","5","7","7","1","1") = "6"
    & skf21("7","7","4","5","7","7","2","1") = "6"
    & skf21("7","7","4","5","7","7","3","1") = "6"
    & skf21("7","7","4","5","7","7","4","1") = "6"
    & skf21("7","7","4","5","7","7","5","1") = "6"
    & skf21("7","7","4","5","7","7","6","1") = "6"
    & skf21("7","7","4","5","7","7","7","1") = "6"
    & skf21("7","7","4","6","1","1","1","1") = "6"
    & skf21("7","7","4","6","1","1","2","1") = "6"
    & skf21("7","7","4","6","1","1","3","1") = "6"
    & skf21("7","7","4","6","1","1","4","1") = "6"
    & skf21("7","7","4","6","1","1","5","1") = "6"
    & skf21("7","7","4","6","1","1","6","1") = "6"
    & skf21("7","7","4","6","1","1","7","1") = "6"
    & skf21("7","7","4","6","1","2","1","1") = "6"
    & skf21("7","7","4","6","1","2","2","1") = "6"
    & skf21("7","7","4","6","1","2","3","1") = "6"
    & skf21("7","7","4","6","1","2","4","1") = "6"
    & skf21("7","7","4","6","1","2","5","1") = "6"
    & skf21("7","7","4","6","1","2","6","1") = "6"
    & skf21("7","7","4","6","1","2","7","1") = "6"
    & skf21("7","7","4","6","1","3","1","1") = "6"
    & skf21("7","7","4","6","1","3","2","1") = "6"
    & skf21("7","7","4","6","1","3","3","1") = "6"
    & skf21("7","7","4","6","1","3","4","1") = "6"
    & skf21("7","7","4","6","1","3","5","1") = "6"
    & skf21("7","7","4","6","1","3","6","1") = "6"
    & skf21("7","7","4","6","1","3","7","1") = "6"
    & skf21("7","7","4","6","1","4","1","1") = "6"
    & skf21("7","7","4","6","1","4","2","1") = "6"
    & skf21("7","7","4","6","1","4","3","1") = "6"
    & skf21("7","7","4","6","1","4","4","1") = "6"
    & skf21("7","7","4","6","1","4","5","1") = "6"
    & skf21("7","7","4","6","1","4","6","1") = "6"
    & skf21("7","7","4","6","1","4","7","1") = "6"
    & skf21("7","7","4","6","1","5","1","1") = "6"
    & skf21("7","7","4","6","1","5","2","1") = "6"
    & skf21("7","7","4","6","1","5","3","1") = "6"
    & skf21("7","7","4","6","1","5","4","1") = "6"
    & skf21("7","7","4","6","1","5","5","1") = "6"
    & skf21("7","7","4","6","1","5","6","1") = "6"
    & skf21("7","7","4","6","1","5","7","1") = "6"
    & skf21("7","7","4","6","1","6","1","1") = "6"
    & skf21("7","7","4","6","1","6","2","1") = "6"
    & skf21("7","7","4","6","1","6","3","1") = "6"
    & skf21("7","7","4","6","1","6","4","1") = "6"
    & skf21("7","7","4","6","1","6","5","1") = "6"
    & skf21("7","7","4","6","1","6","6","1") = "6"
    & skf21("7","7","4","6","1","6","7","1") = "6"
    & skf21("7","7","4","6","1","7","1","1") = "6"
    & skf21("7","7","4","6","1","7","2","1") = "6"
    & skf21("7","7","4","6","1","7","3","1") = "6"
    & skf21("7","7","4","6","1","7","4","1") = "6"
    & skf21("7","7","4","6","1","7","5","1") = "6"
    & skf21("7","7","4","6","1","7","6","1") = "6"
    & skf21("7","7","4","6","1","7","7","1") = "6"
    & skf21("7","7","4","6","2","1","1","1") = "6"
    & skf21("7","7","4","6","2","1","2","1") = "6"
    & skf21("7","7","4","6","2","1","3","1") = "6"
    & skf21("7","7","4","6","2","1","4","1") = "6"
    & skf21("7","7","4","6","2","1","5","1") = "6"
    & skf21("7","7","4","6","2","1","6","1") = "6"
    & skf21("7","7","4","6","2","1","7","1") = "6"
    & skf21("7","7","4","6","2","2","1","1") = "6"
    & skf21("7","7","4","6","2","2","2","1") = "6"
    & skf21("7","7","4","6","2","2","3","1") = "6"
    & skf21("7","7","4","6","2","2","4","1") = "6"
    & skf21("7","7","4","6","2","2","5","1") = "6"
    & skf21("7","7","4","6","2","2","6","1") = "6"
    & skf21("7","7","4","6","2","2","7","1") = "6"
    & skf21("7","7","4","6","2","3","1","1") = "6"
    & skf21("7","7","4","6","2","3","2","1") = "6"
    & skf21("7","7","4","6","2","3","3","1") = "6"
    & skf21("7","7","4","6","2","3","4","1") = "6"
    & skf21("7","7","4","6","2","3","5","1") = "6"
    & skf21("7","7","4","6","2","3","6","1") = "6"
    & skf21("7","7","4","6","2","3","7","1") = "6"
    & skf21("7","7","4","6","2","4","1","1") = "6"
    & skf21("7","7","4","6","2","4","2","1") = "6"
    & skf21("7","7","4","6","2","4","3","1") = "6"
    & skf21("7","7","4","6","2","4","4","1") = "6"
    & skf21("7","7","4","6","2","4","5","1") = "6"
    & skf21("7","7","4","6","2","4","6","1") = "6"
    & skf21("7","7","4","6","2","4","7","1") = "6"
    & skf21("7","7","4","6","2","5","1","1") = "6"
    & skf21("7","7","4","6","2","5","2","1") = "6"
    & skf21("7","7","4","6","2","5","3","1") = "6"
    & skf21("7","7","4","6","2","5","4","1") = "6"
    & skf21("7","7","4","6","2","5","5","1") = "6"
    & skf21("7","7","4","6","2","5","6","1") = "6"
    & skf21("7","7","4","6","2","5","7","1") = "6"
    & skf21("7","7","4","6","2","6","1","1") = "6"
    & skf21("7","7","4","6","2","6","2","1") = "6"
    & skf21("7","7","4","6","2","6","3","1") = "6"
    & skf21("7","7","4","6","2","6","4","1") = "6"
    & skf21("7","7","4","6","2","6","5","1") = "6"
    & skf21("7","7","4","6","2","6","6","1") = "6"
    & skf21("7","7","4","6","2","6","7","1") = "6"
    & skf21("7","7","4","6","2","7","1","1") = "6"
    & skf21("7","7","4","6","2","7","2","1") = "6"
    & skf21("7","7","4","6","2","7","3","1") = "6"
    & skf21("7","7","4","6","2","7","4","1") = "6"
    & skf21("7","7","4","6","2","7","5","1") = "6"
    & skf21("7","7","4","6","2","7","6","1") = "6"
    & skf21("7","7","4","6","2","7","7","1") = "6"
    & skf21("7","7","4","6","3","1","1","1") = "6"
    & skf21("7","7","4","6","3","1","2","1") = "6"
    & skf21("7","7","4","6","3","1","3","1") = "6"
    & skf21("7","7","4","6","3","1","4","1") = "6"
    & skf21("7","7","4","6","3","1","5","1") = "6"
    & skf21("7","7","4","6","3","1","6","1") = "6"
    & skf21("7","7","4","6","3","1","7","1") = "6"
    & skf21("7","7","4","6","3","2","1","1") = "6"
    & skf21("7","7","4","6","3","2","2","1") = "6"
    & skf21("7","7","4","6","3","2","3","1") = "6"
    & skf21("7","7","4","6","3","2","4","1") = "6"
    & skf21("7","7","4","6","3","2","5","1") = "6"
    & skf21("7","7","4","6","3","2","6","1") = "6"
    & skf21("7","7","4","6","3","2","7","1") = "6"
    & skf21("7","7","4","6","3","3","1","1") = "6"
    & skf21("7","7","4","6","3","3","2","1") = "6"
    & skf21("7","7","4","6","3","3","3","1") = "6"
    & skf21("7","7","4","6","3","3","4","1") = "6"
    & skf21("7","7","4","6","3","3","5","1") = "6"
    & skf21("7","7","4","6","3","3","6","1") = "6"
    & skf21("7","7","4","6","3","3","7","1") = "6"
    & skf21("7","7","4","6","3","4","1","1") = "6"
    & skf21("7","7","4","6","3","4","2","1") = "6"
    & skf21("7","7","4","6","3","4","3","1") = "6"
    & skf21("7","7","4","6","3","4","4","1") = "6"
    & skf21("7","7","4","6","3","4","5","1") = "6"
    & skf21("7","7","4","6","3","4","6","1") = "6"
    & skf21("7","7","4","6","3","4","7","1") = "6"
    & skf21("7","7","4","6","3","5","1","1") = "6"
    & skf21("7","7","4","6","3","5","2","1") = "6"
    & skf21("7","7","4","6","3","5","3","1") = "6"
    & skf21("7","7","4","6","3","5","4","1") = "6"
    & skf21("7","7","4","6","3","5","5","1") = "6"
    & skf21("7","7","4","6","3","5","6","1") = "6"
    & skf21("7","7","4","6","3","5","7","1") = "6"
    & skf21("7","7","4","6","3","6","1","1") = "6"
    & skf21("7","7","4","6","3","6","2","1") = "6"
    & skf21("7","7","4","6","3","6","3","1") = "6"
    & skf21("7","7","4","6","3","6","4","1") = "6"
    & skf21("7","7","4","6","3","6","5","1") = "6"
    & skf21("7","7","4","6","3","6","6","1") = "6"
    & skf21("7","7","4","6","3","6","7","1") = "6"
    & skf21("7","7","4","6","3","7","1","1") = "6"
    & skf21("7","7","4","6","3","7","2","1") = "6"
    & skf21("7","7","4","6","3","7","3","1") = "6"
    & skf21("7","7","4","6","3","7","4","1") = "6"
    & skf21("7","7","4","6","3","7","5","1") = "6"
    & skf21("7","7","4","6","3","7","6","1") = "6"
    & skf21("7","7","4","6","3","7","7","1") = "6"
    & skf21("7","7","4","6","4","1","1","1") = "6"
    & skf21("7","7","4","6","4","1","2","1") = "6"
    & skf21("7","7","4","6","4","1","3","1") = "6"
    & skf21("7","7","4","6","4","1","4","1") = "6"
    & skf21("7","7","4","6","4","1","5","1") = "6"
    & skf21("7","7","4","6","4","1","6","1") = "6"
    & skf21("7","7","4","6","4","1","7","1") = "6"
    & skf21("7","7","4","6","4","2","1","1") = "6"
    & skf21("7","7","4","6","4","2","2","1") = "6"
    & skf21("7","7","4","6","4","2","3","1") = "6"
    & skf21("7","7","4","6","4","2","4","1") = "6"
    & skf21("7","7","4","6","4","2","5","1") = "6"
    & skf21("7","7","4","6","4","2","6","1") = "6"
    & skf21("7","7","4","6","4","2","7","1") = "6"
    & skf21("7","7","4","6","4","3","1","1") = "6"
    & skf21("7","7","4","6","4","3","2","1") = "6"
    & skf21("7","7","4","6","4","3","3","1") = "6"
    & skf21("7","7","4","6","4","3","4","1") = "6"
    & skf21("7","7","4","6","4","3","5","1") = "6"
    & skf21("7","7","4","6","4","3","6","1") = "6"
    & skf21("7","7","4","6","4","3","7","1") = "6"
    & skf21("7","7","4","6","4","4","1","1") = "6"
    & skf21("7","7","4","6","4","4","2","1") = "6"
    & skf21("7","7","4","6","4","4","3","1") = "6"
    & skf21("7","7","4","6","4","4","4","1") = "6"
    & skf21("7","7","4","6","4","4","5","1") = "6"
    & skf21("7","7","4","6","4","4","6","1") = "6"
    & skf21("7","7","4","6","4","4","7","1") = "6"
    & skf21("7","7","4","6","4","5","1","1") = "6"
    & skf21("7","7","4","6","4","5","2","1") = "6"
    & skf21("7","7","4","6","4","5","3","1") = "6"
    & skf21("7","7","4","6","4","5","4","1") = "6"
    & skf21("7","7","4","6","4","5","5","1") = "6"
    & skf21("7","7","4","6","4","5","6","1") = "6"
    & skf21("7","7","4","6","4","5","7","1") = "6"
    & skf21("7","7","4","6","4","6","1","1") = "6"
    & skf21("7","7","4","6","4","6","2","1") = "6"
    & skf21("7","7","4","6","4","6","3","1") = "6"
    & skf21("7","7","4","6","4","6","4","1") = "6"
    & skf21("7","7","4","6","4","6","5","1") = "6"
    & skf21("7","7","4","6","4","6","6","1") = "6"
    & skf21("7","7","4","6","4","6","7","1") = "6"
    & skf21("7","7","4","6","4","7","1","1") = "6"
    & skf21("7","7","4","6","4","7","2","1") = "6"
    & skf21("7","7","4","6","4","7","3","1") = "6"
    & skf21("7","7","4","6","4","7","4","1") = "6"
    & skf21("7","7","4","6","4","7","5","1") = "6"
    & skf21("7","7","4","6","4","7","6","1") = "6"
    & skf21("7","7","4","6","4","7","7","1") = "6"
    & skf21("7","7","4","6","5","1","1","1") = "6"
    & skf21("7","7","4","6","5","1","2","1") = "6"
    & skf21("7","7","4","6","5","1","3","1") = "6"
    & skf21("7","7","4","6","5","1","4","1") = "6"
    & skf21("7","7","4","6","5","1","5","1") = "6"
    & skf21("7","7","4","6","5","1","6","1") = "6"
    & skf21("7","7","4","6","5","1","7","1") = "6"
    & skf21("7","7","4","6","5","2","1","1") = "6"
    & skf21("7","7","4","6","5","2","2","1") = "6"
    & skf21("7","7","4","6","5","2","3","1") = "6"
    & skf21("7","7","4","6","5","2","4","1") = "6"
    & skf21("7","7","4","6","5","2","5","1") = "6"
    & skf21("7","7","4","6","5","2","6","1") = "6"
    & skf21("7","7","4","6","5","2","7","1") = "6"
    & skf21("7","7","4","6","5","3","1","1") = "6"
    & skf21("7","7","4","6","5","3","2","1") = "6"
    & skf21("7","7","4","6","5","3","3","1") = "6"
    & skf21("7","7","4","6","5","3","4","1") = "6"
    & skf21("7","7","4","6","5","3","5","1") = "6"
    & skf21("7","7","4","6","5","3","6","1") = "6"
    & skf21("7","7","4","6","5","3","7","1") = "6"
    & skf21("7","7","4","6","5","4","1","1") = "6"
    & skf21("7","7","4","6","5","4","2","1") = "6"
    & skf21("7","7","4","6","5","4","3","1") = "6"
    & skf21("7","7","4","6","5","4","4","1") = "6"
    & skf21("7","7","4","6","5","4","5","1") = "6"
    & skf21("7","7","4","6","5","4","6","1") = "6"
    & skf21("7","7","4","6","5","4","7","1") = "6"
    & skf21("7","7","4","6","5","5","1","1") = "6"
    & skf21("7","7","4","6","5","5","2","1") = "6"
    & skf21("7","7","4","6","5","5","3","1") = "6"
    & skf21("7","7","4","6","5","5","4","1") = "6"
    & skf21("7","7","4","6","5","5","5","1") = "6"
    & skf21("7","7","4","6","5","5","6","1") = "6"
    & skf21("7","7","4","6","5","5","7","1") = "6"
    & skf21("7","7","4","6","5","6","1","1") = "6"
    & skf21("7","7","4","6","5","6","2","1") = "6"
    & skf21("7","7","4","6","5","6","3","1") = "6"
    & skf21("7","7","4","6","5","6","4","1") = "6"
    & skf21("7","7","4","6","5","6","5","1") = "6"
    & skf21("7","7","4","6","5","6","6","1") = "6"
    & skf21("7","7","4","6","5","6","7","1") = "6"
    & skf21("7","7","4","6","5","7","1","1") = "6"
    & skf21("7","7","4","6","5","7","2","1") = "6"
    & skf21("7","7","4","6","5","7","3","1") = "6"
    & skf21("7","7","4","6","5","7","4","1") = "6"
    & skf21("7","7","4","6","5","7","5","1") = "6"
    & skf21("7","7","4","6","5","7","6","1") = "6"
    & skf21("7","7","4","6","5","7","7","1") = "6"
    & skf21("7","7","4","6","6","1","1","1") = "6"
    & skf21("7","7","4","6","6","1","2","1") = "6"
    & skf21("7","7","4","6","6","1","3","1") = "6"
    & skf21("7","7","4","6","6","1","4","1") = "6"
    & skf21("7","7","4","6","6","1","5","1") = "6"
    & skf21("7","7","4","6","6","1","6","1") = "6"
    & skf21("7","7","4","6","6","1","7","1") = "6"
    & skf21("7","7","4","6","6","2","1","1") = "6"
    & skf21("7","7","4","6","6","2","2","1") = "6"
    & skf21("7","7","4","6","6","2","3","1") = "6"
    & skf21("7","7","4","6","6","2","4","1") = "6"
    & skf21("7","7","4","6","6","2","5","1") = "6"
    & skf21("7","7","4","6","6","2","6","1") = "6"
    & skf21("7","7","4","6","6","2","7","1") = "6"
    & skf21("7","7","4","6","6","3","1","1") = "6"
    & skf21("7","7","4","6","6","3","2","1") = "6"
    & skf21("7","7","4","6","6","3","3","1") = "6"
    & skf21("7","7","4","6","6","3","4","1") = "6"
    & skf21("7","7","4","6","6","3","5","1") = "6"
    & skf21("7","7","4","6","6","3","6","1") = "6"
    & skf21("7","7","4","6","6","3","7","1") = "6"
    & skf21("7","7","4","6","6","4","1","1") = "6"
    & skf21("7","7","4","6","6","4","2","1") = "6"
    & skf21("7","7","4","6","6","4","3","1") = "6"
    & skf21("7","7","4","6","6","4","4","1") = "6"
    & skf21("7","7","4","6","6","4","5","1") = "6"
    & skf21("7","7","4","6","6","4","6","1") = "6"
    & skf21("7","7","4","6","6","4","7","1") = "6"
    & skf21("7","7","4","6","6","5","1","1") = "6"
    & skf21("7","7","4","6","6","5","2","1") = "6"
    & skf21("7","7","4","6","6","5","3","1") = "6"
    & skf21("7","7","4","6","6","5","4","1") = "6"
    & skf21("7","7","4","6","6","5","5","1") = "6"
    & skf21("7","7","4","6","6","5","6","1") = "6"
    & skf21("7","7","4","6","6","5","7","1") = "6"
    & skf21("7","7","4","6","6","6","1","1") = "6"
    & skf21("7","7","4","6","6","6","2","1") = "6"
    & skf21("7","7","4","6","6","6","3","1") = "6"
    & skf21("7","7","4","6","6","6","4","1") = "6"
    & skf21("7","7","4","6","6","6","5","1") = "6"
    & skf21("7","7","4","6","6","6","6","1") = "6"
    & skf21("7","7","4","6","6","6","7","1") = "6"
    & skf21("7","7","4","6","6","7","1","1") = "6"
    & skf21("7","7","4","6","6","7","2","1") = "6"
    & skf21("7","7","4","6","6","7","3","1") = "6"
    & skf21("7","7","4","6","6","7","4","1") = "6"
    & skf21("7","7","4","6","6","7","5","1") = "6"
    & skf21("7","7","4","6","6","7","6","1") = "6"
    & skf21("7","7","4","6","6","7","7","1") = "6"
    & skf21("7","7","4","6","7","1","1","1") = "6"
    & skf21("7","7","4","6","7","1","2","1") = "6"
    & skf21("7","7","4","6","7","1","3","1") = "6"
    & skf21("7","7","4","6","7","1","4","1") = "6"
    & skf21("7","7","4","6","7","1","5","1") = "6"
    & skf21("7","7","4","6","7","1","6","1") = "6"
    & skf21("7","7","4","6","7","1","7","1") = "6"
    & skf21("7","7","4","6","7","2","1","1") = "6"
    & skf21("7","7","4","6","7","2","2","1") = "6"
    & skf21("7","7","4","6","7","2","3","1") = "6"
    & skf21("7","7","4","6","7","2","4","1") = "6"
    & skf21("7","7","4","6","7","2","5","1") = "6"
    & skf21("7","7","4","6","7","2","6","1") = "6"
    & skf21("7","7","4","6","7","2","7","1") = "6"
    & skf21("7","7","4","6","7","3","1","1") = "6"
    & skf21("7","7","4","6","7","3","2","1") = "6"
    & skf21("7","7","4","6","7","3","3","1") = "6"
    & skf21("7","7","4","6","7","3","4","1") = "6"
    & skf21("7","7","4","6","7","3","5","1") = "6"
    & skf21("7","7","4","6","7","3","6","1") = "6"
    & skf21("7","7","4","6","7","3","7","1") = "6"
    & skf21("7","7","4","6","7","4","1","1") = "6"
    & skf21("7","7","4","6","7","4","2","1") = "6"
    & skf21("7","7","4","6","7","4","3","1") = "6"
    & skf21("7","7","4","6","7","4","4","1") = "6"
    & skf21("7","7","4","6","7","4","5","1") = "6"
    & skf21("7","7","4","6","7","4","6","1") = "6"
    & skf21("7","7","4","6","7","4","7","1") = "6"
    & skf21("7","7","4","6","7","5","1","1") = "6"
    & skf21("7","7","4","6","7","5","2","1") = "6"
    & skf21("7","7","4","6","7","5","3","1") = "6"
    & skf21("7","7","4","6","7","5","4","1") = "6"
    & skf21("7","7","4","6","7","5","5","1") = "6"
    & skf21("7","7","4","6","7","5","6","1") = "6"
    & skf21("7","7","4","6","7","5","7","1") = "6"
    & skf21("7","7","4","6","7","6","1","1") = "6"
    & skf21("7","7","4","6","7","6","2","1") = "6"
    & skf21("7","7","4","6","7","6","3","1") = "6"
    & skf21("7","7","4","6","7","6","4","1") = "6"
    & skf21("7","7","4","6","7","6","5","1") = "6"
    & skf21("7","7","4","6","7","6","6","1") = "6"
    & skf21("7","7","4","6","7","6","7","1") = "6"
    & skf21("7","7","4","6","7","7","1","1") = "6"
    & skf21("7","7","4","6","7","7","2","1") = "6"
    & skf21("7","7","4","6","7","7","3","1") = "6"
    & skf21("7","7","4","6","7","7","4","1") = "6"
    & skf21("7","7","4","6","7","7","5","1") = "6"
    & skf21("7","7","4","6","7","7","6","1") = "6"
    & skf21("7","7","4","6","7","7","7","1") = "6"
    & skf21("7","7","4","7","1","1","1","1") = "6"
    & skf21("7","7","4","7","1","1","2","1") = "6"
    & skf21("7","7","4","7","1","1","3","1") = "6"
    & skf21("7","7","4","7","1","1","4","1") = "6"
    & skf21("7","7","4","7","1","1","5","1") = "6"
    & skf21("7","7","4","7","1","1","6","1") = "6"
    & skf21("7","7","4","7","1","1","7","1") = "6"
    & skf21("7","7","4","7","1","2","1","1") = "6"
    & skf21("7","7","4","7","1","2","2","1") = "6"
    & skf21("7","7","4","7","1","2","3","1") = "6"
    & skf21("7","7","4","7","1","2","4","1") = "6"
    & skf21("7","7","4","7","1","2","5","1") = "6"
    & skf21("7","7","4","7","1","2","6","1") = "6"
    & skf21("7","7","4","7","1","2","7","1") = "6"
    & skf21("7","7","4","7","1","3","1","1") = "6"
    & skf21("7","7","4","7","1","3","2","1") = "6"
    & skf21("7","7","4","7","1","3","3","1") = "6"
    & skf21("7","7","4","7","1","3","4","1") = "6"
    & skf21("7","7","4","7","1","3","5","1") = "6"
    & skf21("7","7","4","7","1","3","6","1") = "6"
    & skf21("7","7","4","7","1","3","7","1") = "6"
    & skf21("7","7","4","7","1","4","1","1") = "6"
    & skf21("7","7","4","7","1","4","2","1") = "6"
    & skf21("7","7","4","7","1","4","3","1") = "6"
    & skf21("7","7","4","7","1","4","4","1") = "6"
    & skf21("7","7","4","7","1","4","5","1") = "6"
    & skf21("7","7","4","7","1","4","6","1") = "6"
    & skf21("7","7","4","7","1","4","7","1") = "6"
    & skf21("7","7","4","7","1","5","1","1") = "6"
    & skf21("7","7","4","7","1","5","2","1") = "6"
    & skf21("7","7","4","7","1","5","3","1") = "6"
    & skf21("7","7","4","7","1","5","4","1") = "6"
    & skf21("7","7","4","7","1","5","5","1") = "6"
    & skf21("7","7","4","7","1","5","6","1") = "6"
    & skf21("7","7","4","7","1","5","7","1") = "6"
    & skf21("7","7","4","7","1","6","1","1") = "6"
    & skf21("7","7","4","7","1","6","2","1") = "6"
    & skf21("7","7","4","7","1","6","3","1") = "6"
    & skf21("7","7","4","7","1","6","4","1") = "6"
    & skf21("7","7","4","7","1","6","5","1") = "6"
    & skf21("7","7","4","7","1","6","6","1") = "6"
    & skf21("7","7","4","7","1","6","7","1") = "6"
    & skf21("7","7","4","7","1","7","1","1") = "6"
    & skf21("7","7","4","7","1","7","2","1") = "6"
    & skf21("7","7","4","7","1","7","3","1") = "6"
    & skf21("7","7","4","7","1","7","4","1") = "6"
    & skf21("7","7","4","7","1","7","5","1") = "6"
    & skf21("7","7","4","7","1","7","6","1") = "6"
    & skf21("7","7","4","7","1","7","7","1") = "6"
    & skf21("7","7","4","7","2","1","1","1") = "6"
    & skf21("7","7","4","7","2","1","2","1") = "6"
    & skf21("7","7","4","7","2","1","3","1") = "6"
    & skf21("7","7","4","7","2","1","4","1") = "6"
    & skf21("7","7","4","7","2","1","5","1") = "6"
    & skf21("7","7","4","7","2","1","6","1") = "6"
    & skf21("7","7","4","7","2","1","7","1") = "6"
    & skf21("7","7","4","7","2","2","1","1") = "6"
    & skf21("7","7","4","7","2","2","2","1") = "6"
    & skf21("7","7","4","7","2","2","3","1") = "6"
    & skf21("7","7","4","7","2","2","4","1") = "6"
    & skf21("7","7","4","7","2","2","5","1") = "6"
    & skf21("7","7","4","7","2","2","6","1") = "6"
    & skf21("7","7","4","7","2","2","7","1") = "6"
    & skf21("7","7","4","7","2","3","1","1") = "6"
    & skf21("7","7","4","7","2","3","2","1") = "6"
    & skf21("7","7","4","7","2","3","3","1") = "6"
    & skf21("7","7","4","7","2","3","4","1") = "6"
    & skf21("7","7","4","7","2","3","5","1") = "6"
    & skf21("7","7","4","7","2","3","6","1") = "6"
    & skf21("7","7","4","7","2","3","7","1") = "6"
    & skf21("7","7","4","7","2","4","1","1") = "6"
    & skf21("7","7","4","7","2","4","2","1") = "6"
    & skf21("7","7","4","7","2","4","3","1") = "6"
    & skf21("7","7","4","7","2","4","4","1") = "6"
    & skf21("7","7","4","7","2","4","5","1") = "6"
    & skf21("7","7","4","7","2","4","6","1") = "6"
    & skf21("7","7","4","7","2","4","7","1") = "6"
    & skf21("7","7","4","7","2","5","1","1") = "6"
    & skf21("7","7","4","7","2","5","2","1") = "6"
    & skf21("7","7","4","7","2","5","3","1") = "6"
    & skf21("7","7","4","7","2","5","4","1") = "6"
    & skf21("7","7","4","7","2","5","5","1") = "6"
    & skf21("7","7","4","7","2","5","6","1") = "6"
    & skf21("7","7","4","7","2","5","7","1") = "6"
    & skf21("7","7","4","7","2","6","1","1") = "6"
    & skf21("7","7","4","7","2","6","2","1") = "6"
    & skf21("7","7","4","7","2","6","3","1") = "6"
    & skf21("7","7","4","7","2","6","4","1") = "6"
    & skf21("7","7","4","7","2","6","5","1") = "6"
    & skf21("7","7","4","7","2","6","6","1") = "6"
    & skf21("7","7","4","7","2","6","7","1") = "6"
    & skf21("7","7","4","7","2","7","1","1") = "6"
    & skf21("7","7","4","7","2","7","2","1") = "6"
    & skf21("7","7","4","7","2","7","3","1") = "6"
    & skf21("7","7","4","7","2","7","4","1") = "6"
    & skf21("7","7","4","7","2","7","5","1") = "6"
    & skf21("7","7","4","7","2","7","6","1") = "6"
    & skf21("7","7","4","7","2","7","7","1") = "6"
    & skf21("7","7","4","7","3","1","1","1") = "6"
    & skf21("7","7","4","7","3","1","2","1") = "6"
    & skf21("7","7","4","7","3","1","3","1") = "6"
    & skf21("7","7","4","7","3","1","4","1") = "6"
    & skf21("7","7","4","7","3","1","5","1") = "6"
    & skf21("7","7","4","7","3","1","6","1") = "6"
    & skf21("7","7","4","7","3","1","7","1") = "6"
    & skf21("7","7","4","7","3","2","1","1") = "6"
    & skf21("7","7","4","7","3","2","2","1") = "6"
    & skf21("7","7","4","7","3","2","3","1") = "6"
    & skf21("7","7","4","7","3","2","4","1") = "6"
    & skf21("7","7","4","7","3","2","5","1") = "6"
    & skf21("7","7","4","7","3","2","6","1") = "6"
    & skf21("7","7","4","7","3","2","7","1") = "6"
    & skf21("7","7","4","7","3","3","1","1") = "6"
    & skf21("7","7","4","7","3","3","2","1") = "6"
    & skf21("7","7","4","7","3","3","3","1") = "6"
    & skf21("7","7","4","7","3","3","4","1") = "6"
    & skf21("7","7","4","7","3","3","5","1") = "6"
    & skf21("7","7","4","7","3","3","6","1") = "6"
    & skf21("7","7","4","7","3","3","7","1") = "6"
    & skf21("7","7","4","7","3","4","1","1") = "6"
    & skf21("7","7","4","7","3","4","2","1") = "6"
    & skf21("7","7","4","7","3","4","3","1") = "6"
    & skf21("7","7","4","7","3","4","4","1") = "6"
    & skf21("7","7","4","7","3","4","5","1") = "6"
    & skf21("7","7","4","7","3","4","6","1") = "6"
    & skf21("7","7","4","7","3","4","7","1") = "6"
    & skf21("7","7","4","7","3","5","1","1") = "6"
    & skf21("7","7","4","7","3","5","2","1") = "6"
    & skf21("7","7","4","7","3","5","3","1") = "6"
    & skf21("7","7","4","7","3","5","4","1") = "6"
    & skf21("7","7","4","7","3","5","5","1") = "6"
    & skf21("7","7","4","7","3","5","6","1") = "6"
    & skf21("7","7","4","7","3","5","7","1") = "6"
    & skf21("7","7","4","7","3","6","1","1") = "6"
    & skf21("7","7","4","7","3","6","2","1") = "6"
    & skf21("7","7","4","7","3","6","3","1") = "6"
    & skf21("7","7","4","7","3","6","4","1") = "6"
    & skf21("7","7","4","7","3","6","5","1") = "6"
    & skf21("7","7","4","7","3","6","6","1") = "6"
    & skf21("7","7","4","7","3","6","7","1") = "6"
    & skf21("7","7","4","7","3","7","1","1") = "6"
    & skf21("7","7","4","7","3","7","2","1") = "6"
    & skf21("7","7","4","7","3","7","3","1") = "6"
    & skf21("7","7","4","7","3","7","4","1") = "6"
    & skf21("7","7","4","7","3","7","5","1") = "6"
    & skf21("7","7","4","7","3","7","6","1") = "6"
    & skf21("7","7","4","7","3","7","7","1") = "6"
    & skf21("7","7","4","7","4","1","1","1") = "6"
    & skf21("7","7","4","7","4","1","2","1") = "6"
    & skf21("7","7","4","7","4","1","3","1") = "6"
    & skf21("7","7","4","7","4","1","4","1") = "6"
    & skf21("7","7","4","7","4","1","5","1") = "6"
    & skf21("7","7","4","7","4","1","6","1") = "6"
    & skf21("7","7","4","7","4","1","7","1") = "6"
    & skf21("7","7","4","7","4","2","1","1") = "6"
    & skf21("7","7","4","7","4","2","2","1") = "6"
    & skf21("7","7","4","7","4","2","3","1") = "6"
    & skf21("7","7","4","7","4","2","4","1") = "6"
    & skf21("7","7","4","7","4","2","5","1") = "6"
    & skf21("7","7","4","7","4","2","6","1") = "6"
    & skf21("7","7","4","7","4","2","7","1") = "6"
    & skf21("7","7","4","7","4","3","1","1") = "6"
    & skf21("7","7","4","7","4","3","2","1") = "6"
    & skf21("7","7","4","7","4","3","3","1") = "6"
    & skf21("7","7","4","7","4","3","4","1") = "6"
    & skf21("7","7","4","7","4","3","5","1") = "6"
    & skf21("7","7","4","7","4","3","6","1") = "6"
    & skf21("7","7","4","7","4","3","7","1") = "6"
    & skf21("7","7","4","7","4","4","1","1") = "6"
    & skf21("7","7","4","7","4","4","2","1") = "6"
    & skf21("7","7","4","7","4","4","3","1") = "6"
    & skf21("7","7","4","7","4","4","4","1") = "6"
    & skf21("7","7","4","7","4","4","5","1") = "6"
    & skf21("7","7","4","7","4","4","6","1") = "6"
    & skf21("7","7","4","7","4","4","7","1") = "6"
    & skf21("7","7","4","7","4","5","1","1") = "6"
    & skf21("7","7","4","7","4","5","2","1") = "6"
    & skf21("7","7","4","7","4","5","3","1") = "6"
    & skf21("7","7","4","7","4","5","4","1") = "6"
    & skf21("7","7","4","7","4","5","5","1") = "6"
    & skf21("7","7","4","7","4","5","6","1") = "6"
    & skf21("7","7","4","7","4","5","7","1") = "6"
    & skf21("7","7","4","7","4","6","1","1") = "6"
    & skf21("7","7","4","7","4","6","2","1") = "6"
    & skf21("7","7","4","7","4","6","3","1") = "6"
    & skf21("7","7","4","7","4","6","4","1") = "6"
    & skf21("7","7","4","7","4","6","5","1") = "6"
    & skf21("7","7","4","7","4","6","6","1") = "6"
    & skf21("7","7","4","7","4","6","7","1") = "6"
    & skf21("7","7","4","7","4","7","1","1") = "6"
    & skf21("7","7","4","7","4","7","2","1") = "6"
    & skf21("7","7","4","7","4","7","3","1") = "6"
    & skf21("7","7","4","7","4","7","4","1") = "6"
    & skf21("7","7","4","7","4","7","5","1") = "6"
    & skf21("7","7","4","7","4","7","6","1") = "6"
    & skf21("7","7","4","7","4","7","7","1") = "6"
    & skf21("7","7","4","7","5","1","1","1") = "6"
    & skf21("7","7","4","7","5","1","2","1") = "6"
    & skf21("7","7","4","7","5","1","3","1") = "6"
    & skf21("7","7","4","7","5","1","4","1") = "6"
    & skf21("7","7","4","7","5","1","5","1") = "6"
    & skf21("7","7","4","7","5","1","6","1") = "6"
    & skf21("7","7","4","7","5","1","7","1") = "6"
    & skf21("7","7","4","7","5","2","1","1") = "6"
    & skf21("7","7","4","7","5","2","2","1") = "6"
    & skf21("7","7","4","7","5","2","3","1") = "6"
    & skf21("7","7","4","7","5","2","4","1") = "6"
    & skf21("7","7","4","7","5","2","5","1") = "6"
    & skf21("7","7","4","7","5","2","6","1") = "6"
    & skf21("7","7","4","7","5","2","7","1") = "6"
    & skf21("7","7","4","7","5","3","1","1") = "6"
    & skf21("7","7","4","7","5","3","2","1") = "6"
    & skf21("7","7","4","7","5","3","3","1") = "6"
    & skf21("7","7","4","7","5","3","4","1") = "6"
    & skf21("7","7","4","7","5","3","5","1") = "6"
    & skf21("7","7","4","7","5","3","6","1") = "6"
    & skf21("7","7","4","7","5","3","7","1") = "6"
    & skf21("7","7","4","7","5","4","1","1") = "6"
    & skf21("7","7","4","7","5","4","2","1") = "6"
    & skf21("7","7","4","7","5","4","3","1") = "6"
    & skf21("7","7","4","7","5","4","4","1") = "6"
    & skf21("7","7","4","7","5","4","5","1") = "6"
    & skf21("7","7","4","7","5","4","6","1") = "6"
    & skf21("7","7","4","7","5","4","7","1") = "6"
    & skf21("7","7","4","7","5","5","1","1") = "6"
    & skf21("7","7","4","7","5","5","2","1") = "6"
    & skf21("7","7","4","7","5","5","3","1") = "6"
    & skf21("7","7","4","7","5","5","4","1") = "6"
    & skf21("7","7","4","7","5","5","5","1") = "6"
    & skf21("7","7","4","7","5","5","6","1") = "6"
    & skf21("7","7","4","7","5","5","7","1") = "6"
    & skf21("7","7","4","7","5","6","1","1") = "6"
    & skf21("7","7","4","7","5","6","2","1") = "6"
    & skf21("7","7","4","7","5","6","3","1") = "6"
    & skf21("7","7","4","7","5","6","4","1") = "6"
    & skf21("7","7","4","7","5","6","5","1") = "6"
    & skf21("7","7","4","7","5","6","6","1") = "6"
    & skf21("7","7","4","7","5","6","7","1") = "6"
    & skf21("7","7","4","7","5","7","1","1") = "6"
    & skf21("7","7","4","7","5","7","2","1") = "6"
    & skf21("7","7","4","7","5","7","3","1") = "6"
    & skf21("7","7","4","7","5","7","4","1") = "6"
    & skf21("7","7","4","7","5","7","5","1") = "6"
    & skf21("7","7","4","7","5","7","6","1") = "6"
    & skf21("7","7","4","7","5","7","7","1") = "6"
    & skf21("7","7","4","7","6","1","1","1") = "6"
    & skf21("7","7","4","7","6","1","2","1") = "6"
    & skf21("7","7","4","7","6","1","3","1") = "6"
    & skf21("7","7","4","7","6","1","4","1") = "6"
    & skf21("7","7","4","7","6","1","5","1") = "6"
    & skf21("7","7","4","7","6","1","6","1") = "6"
    & skf21("7","7","4","7","6","1","7","1") = "6"
    & skf21("7","7","4","7","6","2","1","1") = "6"
    & skf21("7","7","4","7","6","2","2","1") = "6"
    & skf21("7","7","4","7","6","2","3","1") = "6"
    & skf21("7","7","4","7","6","2","4","1") = "6"
    & skf21("7","7","4","7","6","2","5","1") = "6"
    & skf21("7","7","4","7","6","2","6","1") = "6"
    & skf21("7","7","4","7","6","2","7","1") = "6"
    & skf21("7","7","4","7","6","3","1","1") = "6"
    & skf21("7","7","4","7","6","3","2","1") = "6"
    & skf21("7","7","4","7","6","3","3","1") = "6"
    & skf21("7","7","4","7","6","3","4","1") = "6"
    & skf21("7","7","4","7","6","3","5","1") = "6"
    & skf21("7","7","4","7","6","3","6","1") = "6"
    & skf21("7","7","4","7","6","3","7","1") = "6"
    & skf21("7","7","4","7","6","4","1","1") = "6"
    & skf21("7","7","4","7","6","4","2","1") = "6"
    & skf21("7","7","4","7","6","4","3","1") = "6"
    & skf21("7","7","4","7","6","4","4","1") = "6"
    & skf21("7","7","4","7","6","4","5","1") = "6"
    & skf21("7","7","4","7","6","4","6","1") = "6"
    & skf21("7","7","4","7","6","4","7","1") = "6"
    & skf21("7","7","4","7","6","5","1","1") = "6"
    & skf21("7","7","4","7","6","5","2","1") = "6"
    & skf21("7","7","4","7","6","5","3","1") = "6"
    & skf21("7","7","4","7","6","5","4","1") = "6"
    & skf21("7","7","4","7","6","5","5","1") = "6"
    & skf21("7","7","4","7","6","5","6","1") = "6"
    & skf21("7","7","4","7","6","5","7","1") = "6"
    & skf21("7","7","4","7","6","6","1","1") = "6"
    & skf21("7","7","4","7","6","6","2","1") = "6"
    & skf21("7","7","4","7","6","6","3","1") = "6"
    & skf21("7","7","4","7","6","6","4","1") = "6"
    & skf21("7","7","4","7","6","6","5","1") = "6"
    & skf21("7","7","4","7","6","6","6","1") = "6"
    & skf21("7","7","4","7","6","6","7","1") = "6"
    & skf21("7","7","4","7","6","7","1","1") = "6"
    & skf21("7","7","4","7","6","7","2","1") = "6"
    & skf21("7","7","4","7","6","7","3","1") = "6"
    & skf21("7","7","4","7","6","7","4","1") = "6"
    & skf21("7","7","4","7","6","7","5","1") = "6"
    & skf21("7","7","4","7","6","7","6","1") = "6"
    & skf21("7","7","4","7","6","7","7","1") = "6"
    & skf21("7","7","4","7","7","1","1","1") = "6"
    & skf21("7","7","4","7","7","1","2","1") = "6"
    & skf21("7","7","4","7","7","1","3","1") = "6"
    & skf21("7","7","4","7","7","1","4","1") = "6"
    & skf21("7","7","4","7","7","1","5","1") = "6"
    & skf21("7","7","4","7","7","1","6","1") = "6"
    & skf21("7","7","4","7","7","1","7","1") = "6"
    & skf21("7","7","4","7","7","2","1","1") = "6"
    & skf21("7","7","4","7","7","2","2","1") = "6"
    & skf21("7","7","4","7","7","2","3","1") = "6"
    & skf21("7","7","4","7","7","2","4","1") = "6"
    & skf21("7","7","4","7","7","2","5","1") = "6"
    & skf21("7","7","4","7","7","2","6","1") = "6"
    & skf21("7","7","4","7","7","2","7","1") = "6"
    & skf21("7","7","4","7","7","3","1","1") = "6"
    & skf21("7","7","4","7","7","3","2","1") = "6"
    & skf21("7","7","4","7","7","3","3","1") = "6"
    & skf21("7","7","4","7","7","3","4","1") = "6"
    & skf21("7","7","4","7","7","3","5","1") = "6"
    & skf21("7","7","4","7","7","3","6","1") = "6"
    & skf21("7","7","4","7","7","3","7","1") = "6"
    & skf21("7","7","4","7","7","4","1","1") = "6"
    & skf21("7","7","4","7","7","4","2","1") = "6"
    & skf21("7","7","4","7","7","4","3","1") = "6"
    & skf21("7","7","4","7","7","4","4","1") = "6"
    & skf21("7","7","4","7","7","4","5","1") = "6"
    & skf21("7","7","4","7","7","4","6","1") = "6"
    & skf21("7","7","4","7","7","4","7","1") = "6"
    & skf21("7","7","4","7","7","5","1","1") = "6"
    & skf21("7","7","4","7","7","5","2","1") = "6"
    & skf21("7","7","4","7","7","5","3","1") = "6"
    & skf21("7","7","4","7","7","5","4","1") = "6"
    & skf21("7","7","4","7","7","5","5","1") = "6"
    & skf21("7","7","4","7","7","5","6","1") = "6"
    & skf21("7","7","4","7","7","5","7","1") = "6"
    & skf21("7","7","4","7","7","6","1","1") = "6"
    & skf21("7","7","4","7","7","6","2","1") = "6"
    & skf21("7","7","4","7","7","6","3","1") = "6"
    & skf21("7","7","4","7","7","6","4","1") = "6"
    & skf21("7","7","4","7","7","6","5","1") = "6"
    & skf21("7","7","4","7","7","6","6","1") = "6"
    & skf21("7","7","4","7","7","6","7","1") = "6"
    & skf21("7","7","4","7","7","7","1","1") = "6"
    & skf21("7","7","4","7","7","7","2","1") = "6"
    & skf21("7","7","4","7","7","7","3","1") = "6"
    & skf21("7","7","4","7","7","7","4","1") = "6"
    & skf21("7","7","4","7","7","7","5","1") = "6"
    & skf21("7","7","4","7","7","7","6","1") = "6"
    & skf21("7","7","4","7","7","7","7","1") = "6"
    & skf21("7","7","5","1","1","1","1","1") = "6"
    & skf21("7","7","5","1","1","1","2","1") = "6"
    & skf21("7","7","5","1","1","1","3","1") = "6"
    & skf21("7","7","5","1","1","1","4","1") = "6"
    & skf21("7","7","5","1","1","1","5","1") = "6"
    & skf21("7","7","5","1","1","1","6","1") = "6"
    & skf21("7","7","5","1","1","1","7","1") = "6"
    & skf21("7","7","5","1","1","2","1","1") = "6"
    & skf21("7","7","5","1","1","2","2","1") = "6"
    & skf21("7","7","5","1","1","2","3","1") = "6"
    & skf21("7","7","5","1","1","2","4","1") = "6"
    & skf21("7","7","5","1","1","2","5","1") = "6"
    & skf21("7","7","5","1","1","2","6","1") = "6"
    & skf21("7","7","5","1","1","2","7","1") = "6"
    & skf21("7","7","5","1","1","3","1","1") = "6"
    & skf21("7","7","5","1","1","3","2","1") = "6"
    & skf21("7","7","5","1","1","3","3","1") = "6"
    & skf21("7","7","5","1","1","3","4","1") = "6"
    & skf21("7","7","5","1","1","3","5","1") = "6"
    & skf21("7","7","5","1","1","3","6","1") = "6"
    & skf21("7","7","5","1","1","3","7","1") = "6"
    & skf21("7","7","5","1","1","4","1","1") = "6"
    & skf21("7","7","5","1","1","4","2","1") = "6"
    & skf21("7","7","5","1","1","4","3","1") = "6"
    & skf21("7","7","5","1","1","4","4","1") = "6"
    & skf21("7","7","5","1","1","4","5","1") = "6"
    & skf21("7","7","5","1","1","4","6","1") = "6"
    & skf21("7","7","5","1","1","4","7","1") = "6"
    & skf21("7","7","5","1","1","5","1","1") = "6"
    & skf21("7","7","5","1","1","5","2","1") = "6"
    & skf21("7","7","5","1","1","5","3","1") = "6"
    & skf21("7","7","5","1","1","5","4","1") = "6"
    & skf21("7","7","5","1","1","5","5","1") = "6"
    & skf21("7","7","5","1","1","5","6","1") = "6"
    & skf21("7","7","5","1","1","5","7","1") = "6"
    & skf21("7","7","5","1","1","6","1","1") = "6"
    & skf21("7","7","5","1","1","6","2","1") = "6"
    & skf21("7","7","5","1","1","6","3","1") = "6"
    & skf21("7","7","5","1","1","6","4","1") = "6"
    & skf21("7","7","5","1","1","6","5","1") = "6"
    & skf21("7","7","5","1","1","6","6","1") = "6"
    & skf21("7","7","5","1","1","6","7","1") = "6"
    & skf21("7","7","5","1","1","7","1","1") = "6"
    & skf21("7","7","5","1","1","7","2","1") = "6"
    & skf21("7","7","5","1","1","7","3","1") = "6"
    & skf21("7","7","5","1","1","7","4","1") = "6"
    & skf21("7","7","5","1","1","7","5","1") = "6"
    & skf21("7","7","5","1","1","7","6","1") = "6"
    & skf21("7","7","5","1","1","7","7","1") = "6"
    & skf21("7","7","5","1","2","1","1","1") = "6"
    & skf21("7","7","5","1","2","1","2","1") = "6"
    & skf21("7","7","5","1","2","1","3","1") = "6"
    & skf21("7","7","5","1","2","1","4","1") = "6"
    & skf21("7","7","5","1","2","1","5","1") = "6"
    & skf21("7","7","5","1","2","1","6","1") = "6"
    & skf21("7","7","5","1","2","1","7","1") = "6"
    & skf21("7","7","5","1","2","2","1","1") = "6"
    & skf21("7","7","5","1","2","2","2","1") = "6"
    & skf21("7","7","5","1","2","2","3","1") = "6"
    & skf21("7","7","5","1","2","2","4","1") = "6"
    & skf21("7","7","5","1","2","2","5","1") = "6"
    & skf21("7","7","5","1","2","2","6","1") = "6"
    & skf21("7","7","5","1","2","2","7","1") = "6"
    & skf21("7","7","5","1","2","3","1","1") = "6"
    & skf21("7","7","5","1","2","3","2","1") = "6"
    & skf21("7","7","5","1","2","3","3","1") = "6"
    & skf21("7","7","5","1","2","3","4","1") = "6"
    & skf21("7","7","5","1","2","3","5","1") = "6"
    & skf21("7","7","5","1","2","3","6","1") = "6"
    & skf21("7","7","5","1","2","3","7","1") = "6"
    & skf21("7","7","5","1","2","4","1","1") = "6"
    & skf21("7","7","5","1","2","4","2","1") = "6"
    & skf21("7","7","5","1","2","4","3","1") = "6"
    & skf21("7","7","5","1","2","4","4","1") = "6"
    & skf21("7","7","5","1","2","4","5","1") = "6"
    & skf21("7","7","5","1","2","4","6","1") = "6"
    & skf21("7","7","5","1","2","4","7","1") = "6"
    & skf21("7","7","5","1","2","5","1","1") = "6"
    & skf21("7","7","5","1","2","5","2","1") = "6"
    & skf21("7","7","5","1","2","5","3","1") = "6"
    & skf21("7","7","5","1","2","5","4","1") = "6"
    & skf21("7","7","5","1","2","5","5","1") = "6"
    & skf21("7","7","5","1","2","5","6","1") = "6"
    & skf21("7","7","5","1","2","5","7","1") = "6"
    & skf21("7","7","5","1","2","6","1","1") = "6"
    & skf21("7","7","5","1","2","6","2","1") = "6"
    & skf21("7","7","5","1","2","6","3","1") = "6"
    & skf21("7","7","5","1","2","6","4","1") = "6"
    & skf21("7","7","5","1","2","6","5","1") = "6"
    & skf21("7","7","5","1","2","6","6","1") = "6"
    & skf21("7","7","5","1","2","6","7","1") = "6"
    & skf21("7","7","5","1","2","7","1","1") = "6"
    & skf21("7","7","5","1","2","7","2","1") = "6"
    & skf21("7","7","5","1","2","7","3","1") = "6"
    & skf21("7","7","5","1","2","7","4","1") = "6"
    & skf21("7","7","5","1","2","7","5","1") = "6"
    & skf21("7","7","5","1","2","7","6","1") = "6"
    & skf21("7","7","5","1","2","7","7","1") = "6"
    & skf21("7","7","5","1","3","1","1","1") = "6"
    & skf21("7","7","5","1","3","1","2","1") = "6"
    & skf21("7","7","5","1","3","1","3","1") = "6"
    & skf21("7","7","5","1","3","1","4","1") = "6"
    & skf21("7","7","5","1","3","1","5","1") = "6"
    & skf21("7","7","5","1","3","1","6","1") = "6"
    & skf21("7","7","5","1","3","1","7","1") = "6"
    & skf21("7","7","5","1","3","2","1","1") = "6"
    & skf21("7","7","5","1","3","2","2","1") = "6"
    & skf21("7","7","5","1","3","2","3","1") = "6"
    & skf21("7","7","5","1","3","2","4","1") = "6"
    & skf21("7","7","5","1","3","2","5","1") = "6"
    & skf21("7","7","5","1","3","2","6","1") = "6"
    & skf21("7","7","5","1","3","2","7","1") = "6"
    & skf21("7","7","5","1","3","3","1","1") = "6"
    & skf21("7","7","5","1","3","3","2","1") = "6"
    & skf21("7","7","5","1","3","3","3","1") = "6"
    & skf21("7","7","5","1","3","3","4","1") = "6"
    & skf21("7","7","5","1","3","3","5","1") = "6"
    & skf21("7","7","5","1","3","3","6","1") = "6"
    & skf21("7","7","5","1","3","3","7","1") = "6"
    & skf21("7","7","5","1","3","4","1","1") = "6"
    & skf21("7","7","5","1","3","4","2","1") = "6"
    & skf21("7","7","5","1","3","4","3","1") = "6"
    & skf21("7","7","5","1","3","4","4","1") = "6"
    & skf21("7","7","5","1","3","4","5","1") = "6"
    & skf21("7","7","5","1","3","4","6","1") = "6"
    & skf21("7","7","5","1","3","4","7","1") = "6"
    & skf21("7","7","5","1","3","5","1","1") = "6"
    & skf21("7","7","5","1","3","5","2","1") = "6"
    & skf21("7","7","5","1","3","5","3","1") = "6"
    & skf21("7","7","5","1","3","5","4","1") = "6"
    & skf21("7","7","5","1","3","5","5","1") = "6"
    & skf21("7","7","5","1","3","5","6","1") = "6"
    & skf21("7","7","5","1","3","5","7","1") = "6"
    & skf21("7","7","5","1","3","6","1","1") = "6"
    & skf21("7","7","5","1","3","6","2","1") = "6"
    & skf21("7","7","5","1","3","6","3","1") = "6"
    & skf21("7","7","5","1","3","6","4","1") = "6"
    & skf21("7","7","5","1","3","6","5","1") = "6"
    & skf21("7","7","5","1","3","6","6","1") = "6"
    & skf21("7","7","5","1","3","6","7","1") = "6"
    & skf21("7","7","5","1","3","7","1","1") = "6"
    & skf21("7","7","5","1","3","7","2","1") = "6"
    & skf21("7","7","5","1","3","7","3","1") = "6"
    & skf21("7","7","5","1","3","7","4","1") = "6"
    & skf21("7","7","5","1","3","7","5","1") = "6"
    & skf21("7","7","5","1","3","7","6","1") = "6"
    & skf21("7","7","5","1","3","7","7","1") = "6"
    & skf21("7","7","5","1","4","1","1","1") = "6"
    & skf21("7","7","5","1","4","1","2","1") = "6"
    & skf21("7","7","5","1","4","1","3","1") = "6"
    & skf21("7","7","5","1","4","1","4","1") = "6"
    & skf21("7","7","5","1","4","1","5","1") = "6"
    & skf21("7","7","5","1","4","1","6","1") = "6"
    & skf21("7","7","5","1","4","1","7","1") = "6"
    & skf21("7","7","5","1","4","2","1","1") = "6"
    & skf21("7","7","5","1","4","2","2","1") = "6"
    & skf21("7","7","5","1","4","2","3","1") = "6"
    & skf21("7","7","5","1","4","2","4","1") = "6"
    & skf21("7","7","5","1","4","2","5","1") = "6"
    & skf21("7","7","5","1","4","2","6","1") = "6"
    & skf21("7","7","5","1","4","2","7","1") = "6"
    & skf21("7","7","5","1","4","3","1","1") = "6"
    & skf21("7","7","5","1","4","3","2","1") = "6"
    & skf21("7","7","5","1","4","3","3","1") = "6"
    & skf21("7","7","5","1","4","3","4","1") = "6"
    & skf21("7","7","5","1","4","3","5","1") = "6"
    & skf21("7","7","5","1","4","3","6","1") = "6"
    & skf21("7","7","5","1","4","3","7","1") = "6"
    & skf21("7","7","5","1","4","4","1","1") = "6"
    & skf21("7","7","5","1","4","4","2","1") = "6"
    & skf21("7","7","5","1","4","4","3","1") = "6"
    & skf21("7","7","5","1","4","4","4","1") = "6"
    & skf21("7","7","5","1","4","4","5","1") = "6"
    & skf21("7","7","5","1","4","4","6","1") = "6"
    & skf21("7","7","5","1","4","4","7","1") = "6"
    & skf21("7","7","5","1","4","5","1","1") = "6"
    & skf21("7","7","5","1","4","5","2","1") = "6"
    & skf21("7","7","5","1","4","5","3","1") = "6"
    & skf21("7","7","5","1","4","5","4","1") = "6"
    & skf21("7","7","5","1","4","5","5","1") = "6"
    & skf21("7","7","5","1","4","5","6","1") = "6"
    & skf21("7","7","5","1","4","5","7","1") = "6"
    & skf21("7","7","5","1","4","6","1","1") = "6"
    & skf21("7","7","5","1","4","6","2","1") = "6"
    & skf21("7","7","5","1","4","6","3","1") = "6"
    & skf21("7","7","5","1","4","6","4","1") = "6"
    & skf21("7","7","5","1","4","6","5","1") = "6"
    & skf21("7","7","5","1","4","6","6","1") = "6"
    & skf21("7","7","5","1","4","6","7","1") = "6"
    & skf21("7","7","5","1","4","7","1","1") = "6"
    & skf21("7","7","5","1","4","7","2","1") = "6"
    & skf21("7","7","5","1","4","7","3","1") = "6"
    & skf21("7","7","5","1","4","7","4","1") = "6"
    & skf21("7","7","5","1","4","7","5","1") = "6"
    & skf21("7","7","5","1","4","7","6","1") = "6"
    & skf21("7","7","5","1","4","7","7","1") = "6"
    & skf21("7","7","5","1","5","1","1","1") = "6"
    & skf21("7","7","5","1","5","1","2","1") = "6"
    & skf21("7","7","5","1","5","1","3","1") = "6"
    & skf21("7","7","5","1","5","1","4","1") = "6"
    & skf21("7","7","5","1","5","1","5","1") = "6"
    & skf21("7","7","5","1","5","1","6","1") = "6"
    & skf21("7","7","5","1","5","1","7","1") = "6"
    & skf21("7","7","5","1","5","2","1","1") = "6"
    & skf21("7","7","5","1","5","2","2","1") = "6"
    & skf21("7","7","5","1","5","2","3","1") = "6"
    & skf21("7","7","5","1","5","2","4","1") = "6"
    & skf21("7","7","5","1","5","2","5","1") = "6"
    & skf21("7","7","5","1","5","2","6","1") = "6"
    & skf21("7","7","5","1","5","2","7","1") = "6"
    & skf21("7","7","5","1","5","3","1","1") = "6"
    & skf21("7","7","5","1","5","3","2","1") = "6"
    & skf21("7","7","5","1","5","3","3","1") = "6"
    & skf21("7","7","5","1","5","3","4","1") = "6"
    & skf21("7","7","5","1","5","3","5","1") = "6"
    & skf21("7","7","5","1","5","3","6","1") = "6"
    & skf21("7","7","5","1","5","3","7","1") = "6"
    & skf21("7","7","5","1","5","4","1","1") = "6"
    & skf21("7","7","5","1","5","4","2","1") = "6"
    & skf21("7","7","5","1","5","4","3","1") = "6"
    & skf21("7","7","5","1","5","4","4","1") = "6"
    & skf21("7","7","5","1","5","4","5","1") = "6"
    & skf21("7","7","5","1","5","4","6","1") = "6"
    & skf21("7","7","5","1","5","4","7","1") = "6"
    & skf21("7","7","5","1","5","5","1","1") = "6"
    & skf21("7","7","5","1","5","5","2","1") = "6"
    & skf21("7","7","5","1","5","5","3","1") = "6"
    & skf21("7","7","5","1","5","5","4","1") = "6"
    & skf21("7","7","5","1","5","5","5","1") = "6"
    & skf21("7","7","5","1","5","5","6","1") = "6"
    & skf21("7","7","5","1","5","5","7","1") = "6"
    & skf21("7","7","5","1","5","6","1","1") = "6"
    & skf21("7","7","5","1","5","6","2","1") = "6"
    & skf21("7","7","5","1","5","6","3","1") = "6"
    & skf21("7","7","5","1","5","6","4","1") = "6"
    & skf21("7","7","5","1","5","6","5","1") = "6"
    & skf21("7","7","5","1","5","6","6","1") = "6"
    & skf21("7","7","5","1","5","6","7","1") = "6"
    & skf21("7","7","5","1","5","7","1","1") = "6"
    & skf21("7","7","5","1","5","7","2","1") = "6"
    & skf21("7","7","5","1","5","7","3","1") = "6"
    & skf21("7","7","5","1","5","7","4","1") = "6"
    & skf21("7","7","5","1","5","7","5","1") = "6"
    & skf21("7","7","5","1","5","7","6","1") = "6"
    & skf21("7","7","5","1","5","7","7","1") = "6"
    & skf21("7","7","5","1","6","1","1","1") = "6"
    & skf21("7","7","5","1","6","1","2","1") = "6"
    & skf21("7","7","5","1","6","1","3","1") = "6"
    & skf21("7","7","5","1","6","1","4","1") = "6"
    & skf21("7","7","5","1","6","1","5","1") = "6"
    & skf21("7","7","5","1","6","1","6","1") = "6"
    & skf21("7","7","5","1","6","1","7","1") = "6"
    & skf21("7","7","5","1","6","2","1","1") = "6"
    & skf21("7","7","5","1","6","2","2","1") = "6"
    & skf21("7","7","5","1","6","2","3","1") = "6"
    & skf21("7","7","5","1","6","2","4","1") = "6"
    & skf21("7","7","5","1","6","2","5","1") = "6"
    & skf21("7","7","5","1","6","2","6","1") = "6"
    & skf21("7","7","5","1","6","2","7","1") = "6"
    & skf21("7","7","5","1","6","3","1","1") = "6"
    & skf21("7","7","5","1","6","3","2","1") = "6"
    & skf21("7","7","5","1","6","3","3","1") = "6"
    & skf21("7","7","5","1","6","3","4","1") = "6"
    & skf21("7","7","5","1","6","3","5","1") = "6"
    & skf21("7","7","5","1","6","3","6","1") = "6"
    & skf21("7","7","5","1","6","3","7","1") = "6"
    & skf21("7","7","5","1","6","4","1","1") = "6"
    & skf21("7","7","5","1","6","4","2","1") = "6"
    & skf21("7","7","5","1","6","4","3","1") = "6"
    & skf21("7","7","5","1","6","4","4","1") = "6"
    & skf21("7","7","5","1","6","4","5","1") = "6"
    & skf21("7","7","5","1","6","4","6","1") = "6"
    & skf21("7","7","5","1","6","4","7","1") = "6"
    & skf21("7","7","5","1","6","5","1","1") = "6"
    & skf21("7","7","5","1","6","5","2","1") = "6"
    & skf21("7","7","5","1","6","5","3","1") = "6"
    & skf21("7","7","5","1","6","5","4","1") = "6"
    & skf21("7","7","5","1","6","5","5","1") = "6"
    & skf21("7","7","5","1","6","5","6","1") = "6"
    & skf21("7","7","5","1","6","5","7","1") = "6"
    & skf21("7","7","5","1","6","6","1","1") = "6"
    & skf21("7","7","5","1","6","6","2","1") = "6"
    & skf21("7","7","5","1","6","6","3","1") = "6"
    & skf21("7","7","5","1","6","6","4","1") = "6"
    & skf21("7","7","5","1","6","6","5","1") = "6"
    & skf21("7","7","5","1","6","6","6","1") = "6"
    & skf21("7","7","5","1","6","6","7","1") = "6"
    & skf21("7","7","5","1","6","7","1","1") = "6"
    & skf21("7","7","5","1","6","7","2","1") = "6"
    & skf21("7","7","5","1","6","7","3","1") = "6"
    & skf21("7","7","5","1","6","7","4","1") = "6"
    & skf21("7","7","5","1","6","7","5","1") = "6"
    & skf21("7","7","5","1","6","7","6","1") = "6"
    & skf21("7","7","5","1","6","7","7","1") = "6"
    & skf21("7","7","5","1","7","1","1","1") = "6"
    & skf21("7","7","5","1","7","1","2","1") = "6"
    & skf21("7","7","5","1","7","1","3","1") = "6"
    & skf21("7","7","5","1","7","1","4","1") = "6"
    & skf21("7","7","5","1","7","1","5","1") = "6"
    & skf21("7","7","5","1","7","1","6","1") = "6"
    & skf21("7","7","5","1","7","1","7","1") = "6"
    & skf21("7","7","5","1","7","2","1","1") = "6"
    & skf21("7","7","5","1","7","2","2","1") = "6"
    & skf21("7","7","5","1","7","2","3","1") = "6"
    & skf21("7","7","5","1","7","2","4","1") = "6"
    & skf21("7","7","5","1","7","2","5","1") = "6"
    & skf21("7","7","5","1","7","2","6","1") = "6"
    & skf21("7","7","5","1","7","2","7","1") = "6"
    & skf21("7","7","5","1","7","3","1","1") = "6"
    & skf21("7","7","5","1","7","3","2","1") = "6"
    & skf21("7","7","5","1","7","3","3","1") = "6"
    & skf21("7","7","5","1","7","3","4","1") = "6"
    & skf21("7","7","5","1","7","3","5","1") = "6"
    & skf21("7","7","5","1","7","3","6","1") = "6"
    & skf21("7","7","5","1","7","3","7","1") = "6"
    & skf21("7","7","5","1","7","4","1","1") = "6"
    & skf21("7","7","5","1","7","4","2","1") = "6"
    & skf21("7","7","5","1","7","4","3","1") = "6"
    & skf21("7","7","5","1","7","4","4","1") = "6"
    & skf21("7","7","5","1","7","4","5","1") = "6"
    & skf21("7","7","5","1","7","4","6","1") = "6"
    & skf21("7","7","5","1","7","4","7","1") = "6"
    & skf21("7","7","5","1","7","5","1","1") = "6"
    & skf21("7","7","5","1","7","5","2","1") = "6"
    & skf21("7","7","5","1","7","5","3","1") = "6"
    & skf21("7","7","5","1","7","5","4","1") = "6"
    & skf21("7","7","5","1","7","5","5","1") = "6"
    & skf21("7","7","5","1","7","5","6","1") = "6"
    & skf21("7","7","5","1","7","5","7","1") = "6"
    & skf21("7","7","5","1","7","6","1","1") = "6"
    & skf21("7","7","5","1","7","6","2","1") = "6"
    & skf21("7","7","5","1","7","6","3","1") = "6"
    & skf21("7","7","5","1","7","6","4","1") = "6"
    & skf21("7","7","5","1","7","6","5","1") = "6"
    & skf21("7","7","5","1","7","6","6","1") = "6"
    & skf21("7","7","5","1","7","6","7","1") = "6"
    & skf21("7","7","5","1","7","7","1","1") = "6"
    & skf21("7","7","5","1","7","7","2","1") = "6"
    & skf21("7","7","5","1","7","7","3","1") = "6"
    & skf21("7","7","5","1","7","7","4","1") = "6"
    & skf21("7","7","5","1","7","7","5","1") = "6"
    & skf21("7","7","5","1","7","7","6","1") = "6"
    & skf21("7","7","5","1","7","7","7","1") = "6"
    & skf21("7","7","5","2","1","1","1","1") = "6"
    & skf21("7","7","5","2","1","1","2","1") = "6"
    & skf21("7","7","5","2","1","1","3","1") = "6"
    & skf21("7","7","5","2","1","1","4","1") = "6"
    & skf21("7","7","5","2","1","1","5","1") = "6"
    & skf21("7","7","5","2","1","1","6","1") = "6"
    & skf21("7","7","5","2","1","1","7","1") = "6"
    & skf21("7","7","5","2","1","2","1","1") = "6"
    & skf21("7","7","5","2","1","2","2","1") = "6"
    & skf21("7","7","5","2","1","2","3","1") = "6"
    & skf21("7","7","5","2","1","2","4","1") = "6"
    & skf21("7","7","5","2","1","2","5","1") = "6"
    & skf21("7","7","5","2","1","2","6","1") = "6"
    & skf21("7","7","5","2","1","2","7","1") = "6"
    & skf21("7","7","5","2","1","3","1","1") = "6"
    & skf21("7","7","5","2","1","3","2","1") = "6"
    & skf21("7","7","5","2","1","3","3","1") = "6"
    & skf21("7","7","5","2","1","3","4","1") = "6"
    & skf21("7","7","5","2","1","3","5","1") = "6"
    & skf21("7","7","5","2","1","3","6","1") = "6"
    & skf21("7","7","5","2","1","3","7","1") = "6"
    & skf21("7","7","5","2","1","4","1","1") = "6"
    & skf21("7","7","5","2","1","4","2","1") = "6"
    & skf21("7","7","5","2","1","4","3","1") = "6"
    & skf21("7","7","5","2","1","4","4","1") = "6"
    & skf21("7","7","5","2","1","4","5","1") = "6"
    & skf21("7","7","5","2","1","4","6","1") = "6"
    & skf21("7","7","5","2","1","4","7","1") = "6"
    & skf21("7","7","5","2","1","5","1","1") = "6"
    & skf21("7","7","5","2","1","5","2","1") = "6"
    & skf21("7","7","5","2","1","5","3","1") = "6"
    & skf21("7","7","5","2","1","5","4","1") = "6"
    & skf21("7","7","5","2","1","5","5","1") = "6"
    & skf21("7","7","5","2","1","5","6","1") = "6"
    & skf21("7","7","5","2","1","5","7","1") = "6"
    & skf21("7","7","5","2","1","6","1","1") = "6"
    & skf21("7","7","5","2","1","6","2","1") = "6"
    & skf21("7","7","5","2","1","6","3","1") = "6"
    & skf21("7","7","5","2","1","6","4","1") = "6"
    & skf21("7","7","5","2","1","6","5","1") = "6"
    & skf21("7","7","5","2","1","6","6","1") = "6"
    & skf21("7","7","5","2","1","6","7","1") = "6"
    & skf21("7","7","5","2","1","7","1","1") = "6"
    & skf21("7","7","5","2","1","7","2","1") = "6"
    & skf21("7","7","5","2","1","7","3","1") = "6"
    & skf21("7","7","5","2","1","7","4","1") = "6"
    & skf21("7","7","5","2","1","7","5","1") = "6"
    & skf21("7","7","5","2","1","7","6","1") = "6"
    & skf21("7","7","5","2","1","7","7","1") = "6"
    & skf21("7","7","5","2","2","1","1","1") = "6"
    & skf21("7","7","5","2","2","1","2","1") = "6"
    & skf21("7","7","5","2","2","1","3","1") = "6"
    & skf21("7","7","5","2","2","1","4","1") = "6"
    & skf21("7","7","5","2","2","1","5","1") = "6"
    & skf21("7","7","5","2","2","1","6","1") = "6"
    & skf21("7","7","5","2","2","1","7","1") = "6"
    & skf21("7","7","5","2","2","2","1","1") = "6"
    & skf21("7","7","5","2","2","2","2","1") = "6"
    & skf21("7","7","5","2","2","2","3","1") = "6"
    & skf21("7","7","5","2","2","2","4","1") = "6"
    & skf21("7","7","5","2","2","2","5","1") = "6"
    & skf21("7","7","5","2","2","2","6","1") = "6"
    & skf21("7","7","5","2","2","2","7","1") = "6"
    & skf21("7","7","5","2","2","3","1","1") = "6"
    & skf21("7","7","5","2","2","3","2","1") = "6"
    & skf21("7","7","5","2","2","3","3","1") = "6"
    & skf21("7","7","5","2","2","3","4","1") = "6"
    & skf21("7","7","5","2","2","3","5","1") = "6"
    & skf21("7","7","5","2","2","3","6","1") = "6"
    & skf21("7","7","5","2","2","3","7","1") = "6"
    & skf21("7","7","5","2","2","4","1","1") = "6"
    & skf21("7","7","5","2","2","4","2","1") = "6"
    & skf21("7","7","5","2","2","4","3","1") = "6"
    & skf21("7","7","5","2","2","4","4","1") = "6"
    & skf21("7","7","5","2","2","4","5","1") = "6"
    & skf21("7","7","5","2","2","4","6","1") = "6"
    & skf21("7","7","5","2","2","4","7","1") = "6"
    & skf21("7","7","5","2","2","5","1","1") = "6"
    & skf21("7","7","5","2","2","5","2","1") = "6"
    & skf21("7","7","5","2","2","5","3","1") = "6"
    & skf21("7","7","5","2","2","5","4","1") = "6"
    & skf21("7","7","5","2","2","5","5","1") = "6"
    & skf21("7","7","5","2","2","5","6","1") = "6"
    & skf21("7","7","5","2","2","5","7","1") = "6"
    & skf21("7","7","5","2","2","6","1","1") = "6"
    & skf21("7","7","5","2","2","6","2","1") = "6"
    & skf21("7","7","5","2","2","6","3","1") = "6"
    & skf21("7","7","5","2","2","6","4","1") = "6"
    & skf21("7","7","5","2","2","6","5","1") = "6"
    & skf21("7","7","5","2","2","6","6","1") = "6"
    & skf21("7","7","5","2","2","6","7","1") = "6"
    & skf21("7","7","5","2","2","7","1","1") = "6"
    & skf21("7","7","5","2","2","7","2","1") = "6"
    & skf21("7","7","5","2","2","7","3","1") = "6"
    & skf21("7","7","5","2","2","7","4","1") = "6"
    & skf21("7","7","5","2","2","7","5","1") = "6"
    & skf21("7","7","5","2","2","7","6","1") = "6"
    & skf21("7","7","5","2","2","7","7","1") = "6"
    & skf21("7","7","5","2","3","1","1","1") = "6"
    & skf21("7","7","5","2","3","1","2","1") = "6"
    & skf21("7","7","5","2","3","1","3","1") = "6"
    & skf21("7","7","5","2","3","1","4","1") = "6"
    & skf21("7","7","5","2","3","1","5","1") = "6"
    & skf21("7","7","5","2","3","1","6","1") = "6"
    & skf21("7","7","5","2","3","1","7","1") = "6"
    & skf21("7","7","5","2","3","2","1","1") = "6"
    & skf21("7","7","5","2","3","2","2","1") = "6"
    & skf21("7","7","5","2","3","2","3","1") = "6"
    & skf21("7","7","5","2","3","2","4","1") = "6"
    & skf21("7","7","5","2","3","2","5","1") = "6"
    & skf21("7","7","5","2","3","2","6","1") = "6"
    & skf21("7","7","5","2","3","2","7","1") = "6"
    & skf21("7","7","5","2","3","3","1","1") = "6"
    & skf21("7","7","5","2","3","3","2","1") = "6"
    & skf21("7","7","5","2","3","3","3","1") = "6"
    & skf21("7","7","5","2","3","3","4","1") = "6"
    & skf21("7","7","5","2","3","3","5","1") = "6"
    & skf21("7","7","5","2","3","3","6","1") = "6"
    & skf21("7","7","5","2","3","3","7","1") = "6"
    & skf21("7","7","5","2","3","4","1","1") = "6"
    & skf21("7","7","5","2","3","4","2","1") = "6"
    & skf21("7","7","5","2","3","4","3","1") = "6"
    & skf21("7","7","5","2","3","4","4","1") = "6"
    & skf21("7","7","5","2","3","4","5","1") = "6"
    & skf21("7","7","5","2","3","4","6","1") = "6"
    & skf21("7","7","5","2","3","4","7","1") = "6"
    & skf21("7","7","5","2","3","5","1","1") = "6"
    & skf21("7","7","5","2","3","5","2","1") = "6"
    & skf21("7","7","5","2","3","5","3","1") = "6"
    & skf21("7","7","5","2","3","5","4","1") = "6"
    & skf21("7","7","5","2","3","5","5","1") = "6"
    & skf21("7","7","5","2","3","5","6","1") = "6"
    & skf21("7","7","5","2","3","5","7","1") = "6"
    & skf21("7","7","5","2","3","6","1","1") = "6"
    & skf21("7","7","5","2","3","6","2","1") = "6"
    & skf21("7","7","5","2","3","6","3","1") = "6"
    & skf21("7","7","5","2","3","6","4","1") = "6"
    & skf21("7","7","5","2","3","6","5","1") = "6"
    & skf21("7","7","5","2","3","6","6","1") = "6"
    & skf21("7","7","5","2","3","6","7","1") = "6"
    & skf21("7","7","5","2","3","7","1","1") = "6"
    & skf21("7","7","5","2","3","7","2","1") = "6"
    & skf21("7","7","5","2","3","7","3","1") = "6"
    & skf21("7","7","5","2","3","7","4","1") = "6"
    & skf21("7","7","5","2","3","7","5","1") = "6"
    & skf21("7","7","5","2","3","7","6","1") = "6"
    & skf21("7","7","5","2","3","7","7","1") = "6"
    & skf21("7","7","5","2","4","1","1","1") = "6"
    & skf21("7","7","5","2","4","1","2","1") = "6"
    & skf21("7","7","5","2","4","1","3","1") = "6"
    & skf21("7","7","5","2","4","1","4","1") = "6"
    & skf21("7","7","5","2","4","1","5","1") = "6"
    & skf21("7","7","5","2","4","1","6","1") = "6"
    & skf21("7","7","5","2","4","1","7","1") = "6"
    & skf21("7","7","5","2","4","2","1","1") = "6"
    & skf21("7","7","5","2","4","2","2","1") = "6"
    & skf21("7","7","5","2","4","2","3","1") = "6"
    & skf21("7","7","5","2","4","2","4","1") = "6"
    & skf21("7","7","5","2","4","2","5","1") = "6"
    & skf21("7","7","5","2","4","2","6","1") = "6"
    & skf21("7","7","5","2","4","2","7","1") = "6"
    & skf21("7","7","5","2","4","3","1","1") = "6"
    & skf21("7","7","5","2","4","3","2","1") = "6"
    & skf21("7","7","5","2","4","3","3","1") = "6"
    & skf21("7","7","5","2","4","3","4","1") = "6"
    & skf21("7","7","5","2","4","3","5","1") = "6"
    & skf21("7","7","5","2","4","3","6","1") = "6"
    & skf21("7","7","5","2","4","3","7","1") = "6"
    & skf21("7","7","5","2","4","4","1","1") = "6"
    & skf21("7","7","5","2","4","4","2","1") = "6"
    & skf21("7","7","5","2","4","4","3","1") = "6"
    & skf21("7","7","5","2","4","4","4","1") = "6"
    & skf21("7","7","5","2","4","4","5","1") = "6"
    & skf21("7","7","5","2","4","4","6","1") = "6"
    & skf21("7","7","5","2","4","4","7","1") = "6"
    & skf21("7","7","5","2","4","5","1","1") = "6"
    & skf21("7","7","5","2","4","5","2","1") = "6"
    & skf21("7","7","5","2","4","5","3","1") = "6"
    & skf21("7","7","5","2","4","5","4","1") = "6"
    & skf21("7","7","5","2","4","5","5","1") = "6"
    & skf21("7","7","5","2","4","5","6","1") = "6"
    & skf21("7","7","5","2","4","5","7","1") = "6"
    & skf21("7","7","5","2","4","6","1","1") = "6"
    & skf21("7","7","5","2","4","6","2","1") = "6"
    & skf21("7","7","5","2","4","6","3","1") = "6"
    & skf21("7","7","5","2","4","6","4","1") = "6"
    & skf21("7","7","5","2","4","6","5","1") = "6"
    & skf21("7","7","5","2","4","6","6","1") = "6"
    & skf21("7","7","5","2","4","6","7","1") = "6"
    & skf21("7","7","5","2","4","7","1","1") = "6"
    & skf21("7","7","5","2","4","7","2","1") = "6"
    & skf21("7","7","5","2","4","7","3","1") = "6"
    & skf21("7","7","5","2","4","7","4","1") = "6"
    & skf21("7","7","5","2","4","7","5","1") = "6"
    & skf21("7","7","5","2","4","7","6","1") = "6"
    & skf21("7","7","5","2","4","7","7","1") = "6"
    & skf21("7","7","5","2","5","1","1","1") = "6"
    & skf21("7","7","5","2","5","1","2","1") = "6"
    & skf21("7","7","5","2","5","1","3","1") = "6"
    & skf21("7","7","5","2","5","1","4","1") = "6"
    & skf21("7","7","5","2","5","1","5","1") = "6"
    & skf21("7","7","5","2","5","1","6","1") = "6"
    & skf21("7","7","5","2","5","1","7","1") = "6"
    & skf21("7","7","5","2","5","2","1","1") = "6"
    & skf21("7","7","5","2","5","2","2","1") = "6"
    & skf21("7","7","5","2","5","2","3","1") = "6"
    & skf21("7","7","5","2","5","2","4","1") = "6"
    & skf21("7","7","5","2","5","2","5","1") = "6"
    & skf21("7","7","5","2","5","2","6","1") = "6"
    & skf21("7","7","5","2","5","2","7","1") = "6"
    & skf21("7","7","5","2","5","3","1","1") = "6"
    & skf21("7","7","5","2","5","3","2","1") = "6"
    & skf21("7","7","5","2","5","3","3","1") = "6"
    & skf21("7","7","5","2","5","3","4","1") = "6"
    & skf21("7","7","5","2","5","3","5","1") = "6"
    & skf21("7","7","5","2","5","3","6","1") = "6"
    & skf21("7","7","5","2","5","3","7","1") = "6"
    & skf21("7","7","5","2","5","4","1","1") = "6"
    & skf21("7","7","5","2","5","4","2","1") = "6"
    & skf21("7","7","5","2","5","4","3","1") = "6"
    & skf21("7","7","5","2","5","4","4","1") = "6"
    & skf21("7","7","5","2","5","4","5","1") = "6"
    & skf21("7","7","5","2","5","4","6","1") = "6"
    & skf21("7","7","5","2","5","4","7","1") = "6"
    & skf21("7","7","5","2","5","5","1","1") = "6"
    & skf21("7","7","5","2","5","5","2","1") = "6"
    & skf21("7","7","5","2","5","5","3","1") = "6"
    & skf21("7","7","5","2","5","5","4","1") = "6"
    & skf21("7","7","5","2","5","5","5","1") = "6"
    & skf21("7","7","5","2","5","5","6","1") = "6"
    & skf21("7","7","5","2","5","5","7","1") = "6"
    & skf21("7","7","5","2","5","6","1","1") = "6"
    & skf21("7","7","5","2","5","6","2","1") = "6"
    & skf21("7","7","5","2","5","6","3","1") = "6"
    & skf21("7","7","5","2","5","6","4","1") = "6"
    & skf21("7","7","5","2","5","6","5","1") = "6"
    & skf21("7","7","5","2","5","6","6","1") = "6"
    & skf21("7","7","5","2","5","6","7","1") = "6"
    & skf21("7","7","5","2","5","7","1","1") = "6"
    & skf21("7","7","5","2","5","7","2","1") = "6"
    & skf21("7","7","5","2","5","7","3","1") = "6"
    & skf21("7","7","5","2","5","7","4","1") = "6"
    & skf21("7","7","5","2","5","7","5","1") = "6"
    & skf21("7","7","5","2","5","7","6","1") = "6"
    & skf21("7","7","5","2","5","7","7","1") = "6"
    & skf21("7","7","5","2","6","1","1","1") = "6"
    & skf21("7","7","5","2","6","1","2","1") = "6"
    & skf21("7","7","5","2","6","1","3","1") = "6"
    & skf21("7","7","5","2","6","1","4","1") = "6"
    & skf21("7","7","5","2","6","1","5","1") = "6"
    & skf21("7","7","5","2","6","1","6","1") = "6"
    & skf21("7","7","5","2","6","1","7","1") = "6"
    & skf21("7","7","5","2","6","2","1","1") = "6"
    & skf21("7","7","5","2","6","2","2","1") = "6"
    & skf21("7","7","5","2","6","2","3","1") = "6"
    & skf21("7","7","5","2","6","2","4","1") = "6"
    & skf21("7","7","5","2","6","2","5","1") = "6"
    & skf21("7","7","5","2","6","2","6","1") = "6"
    & skf21("7","7","5","2","6","2","7","1") = "6"
    & skf21("7","7","5","2","6","3","1","1") = "6"
    & skf21("7","7","5","2","6","3","2","1") = "6"
    & skf21("7","7","5","2","6","3","3","1") = "6"
    & skf21("7","7","5","2","6","3","4","1") = "6"
    & skf21("7","7","5","2","6","3","5","1") = "6"
    & skf21("7","7","5","2","6","3","6","1") = "6"
    & skf21("7","7","5","2","6","3","7","1") = "6"
    & skf21("7","7","5","2","6","4","1","1") = "6"
    & skf21("7","7","5","2","6","4","2","1") = "6"
    & skf21("7","7","5","2","6","4","3","1") = "6"
    & skf21("7","7","5","2","6","4","4","1") = "6"
    & skf21("7","7","5","2","6","4","5","1") = "6"
    & skf21("7","7","5","2","6","4","6","1") = "6"
    & skf21("7","7","5","2","6","4","7","1") = "6"
    & skf21("7","7","5","2","6","5","1","1") = "6"
    & skf21("7","7","5","2","6","5","2","1") = "6"
    & skf21("7","7","5","2","6","5","3","1") = "6"
    & skf21("7","7","5","2","6","5","4","1") = "6"
    & skf21("7","7","5","2","6","5","5","1") = "6"
    & skf21("7","7","5","2","6","5","6","1") = "6"
    & skf21("7","7","5","2","6","5","7","1") = "6"
    & skf21("7","7","5","2","6","6","1","1") = "6"
    & skf21("7","7","5","2","6","6","2","1") = "6"
    & skf21("7","7","5","2","6","6","3","1") = "6"
    & skf21("7","7","5","2","6","6","4","1") = "6"
    & skf21("7","7","5","2","6","6","5","1") = "6"
    & skf21("7","7","5","2","6","6","6","1") = "6"
    & skf21("7","7","5","2","6","6","7","1") = "6"
    & skf21("7","7","5","2","6","7","1","1") = "6"
    & skf21("7","7","5","2","6","7","2","1") = "6"
    & skf21("7","7","5","2","6","7","3","1") = "6"
    & skf21("7","7","5","2","6","7","4","1") = "6"
    & skf21("7","7","5","2","6","7","5","1") = "6"
    & skf21("7","7","5","2","6","7","6","1") = "6"
    & skf21("7","7","5","2","6","7","7","1") = "6"
    & skf21("7","7","5","2","7","1","1","1") = "6"
    & skf21("7","7","5","2","7","1","2","1") = "6"
    & skf21("7","7","5","2","7","1","3","1") = "6"
    & skf21("7","7","5","2","7","1","4","1") = "6"
    & skf21("7","7","5","2","7","1","5","1") = "6"
    & skf21("7","7","5","2","7","1","6","1") = "6"
    & skf21("7","7","5","2","7","1","7","1") = "6"
    & skf21("7","7","5","2","7","2","1","1") = "6"
    & skf21("7","7","5","2","7","2","2","1") = "6"
    & skf21("7","7","5","2","7","2","3","1") = "6"
    & skf21("7","7","5","2","7","2","4","1") = "6"
    & skf21("7","7","5","2","7","2","5","1") = "6"
    & skf21("7","7","5","2","7","2","6","1") = "6"
    & skf21("7","7","5","2","7","2","7","1") = "6"
    & skf21("7","7","5","2","7","3","1","1") = "6"
    & skf21("7","7","5","2","7","3","2","1") = "6"
    & skf21("7","7","5","2","7","3","3","1") = "6"
    & skf21("7","7","5","2","7","3","4","1") = "6"
    & skf21("7","7","5","2","7","3","5","1") = "6"
    & skf21("7","7","5","2","7","3","6","1") = "6"
    & skf21("7","7","5","2","7","3","7","1") = "6"
    & skf21("7","7","5","2","7","4","1","1") = "6"
    & skf21("7","7","5","2","7","4","2","1") = "6"
    & skf21("7","7","5","2","7","4","3","1") = "6"
    & skf21("7","7","5","2","7","4","4","1") = "6"
    & skf21("7","7","5","2","7","4","5","1") = "6"
    & skf21("7","7","5","2","7","4","6","1") = "6"
    & skf21("7","7","5","2","7","4","7","1") = "6"
    & skf21("7","7","5","2","7","5","1","1") = "6"
    & skf21("7","7","5","2","7","5","2","1") = "6"
    & skf21("7","7","5","2","7","5","3","1") = "6"
    & skf21("7","7","5","2","7","5","4","1") = "6"
    & skf21("7","7","5","2","7","5","5","1") = "6"
    & skf21("7","7","5","2","7","5","6","1") = "6"
    & skf21("7","7","5","2","7","5","7","1") = "6"
    & skf21("7","7","5","2","7","6","1","1") = "6"
    & skf21("7","7","5","2","7","6","2","1") = "6"
    & skf21("7","7","5","2","7","6","3","1") = "6"
    & skf21("7","7","5","2","7","6","4","1") = "6"
    & skf21("7","7","5","2","7","6","5","1") = "6"
    & skf21("7","7","5","2","7","6","6","1") = "6"
    & skf21("7","7","5","2","7","6","7","1") = "6"
    & skf21("7","7","5","2","7","7","1","1") = "6"
    & skf21("7","7","5","2","7","7","2","1") = "6"
    & skf21("7","7","5","2","7","7","3","1") = "6"
    & skf21("7","7","5","2","7","7","4","1") = "6"
    & skf21("7","7","5","2","7","7","5","1") = "6"
    & skf21("7","7","5","2","7","7","6","1") = "6"
    & skf21("7","7","5","2","7","7","7","1") = "6"
    & skf21("7","7","5","3","1","1","1","1") = "6"
    & skf21("7","7","5","3","1","1","2","1") = "6"
    & skf21("7","7","5","3","1","1","3","1") = "6"
    & skf21("7","7","5","3","1","1","4","1") = "6"
    & skf21("7","7","5","3","1","1","5","1") = "6"
    & skf21("7","7","5","3","1","1","6","1") = "6"
    & skf21("7","7","5","3","1","1","7","1") = "6"
    & skf21("7","7","5","3","1","2","1","1") = "6"
    & skf21("7","7","5","3","1","2","2","1") = "6"
    & skf21("7","7","5","3","1","2","3","1") = "6"
    & skf21("7","7","5","3","1","2","4","1") = "6"
    & skf21("7","7","5","3","1","2","5","1") = "6"
    & skf21("7","7","5","3","1","2","6","1") = "6"
    & skf21("7","7","5","3","1","2","7","1") = "6"
    & skf21("7","7","5","3","1","3","1","1") = "6"
    & skf21("7","7","5","3","1","3","2","1") = "6"
    & skf21("7","7","5","3","1","3","3","1") = "6"
    & skf21("7","7","5","3","1","3","4","1") = "6"
    & skf21("7","7","5","3","1","3","5","1") = "6"
    & skf21("7","7","5","3","1","3","6","1") = "6"
    & skf21("7","7","5","3","1","3","7","1") = "6"
    & skf21("7","7","5","3","1","4","1","1") = "6"
    & skf21("7","7","5","3","1","4","2","1") = "6"
    & skf21("7","7","5","3","1","4","3","1") = "6"
    & skf21("7","7","5","3","1","4","4","1") = "6"
    & skf21("7","7","5","3","1","4","5","1") = "6"
    & skf21("7","7","5","3","1","4","6","1") = "6"
    & skf21("7","7","5","3","1","4","7","1") = "6"
    & skf21("7","7","5","3","1","5","1","1") = "6"
    & skf21("7","7","5","3","1","5","2","1") = "6"
    & skf21("7","7","5","3","1","5","3","1") = "6"
    & skf21("7","7","5","3","1","5","4","1") = "6"
    & skf21("7","7","5","3","1","5","5","1") = "6"
    & skf21("7","7","5","3","1","5","6","1") = "6"
    & skf21("7","7","5","3","1","5","7","1") = "6"
    & skf21("7","7","5","3","1","6","1","1") = "6"
    & skf21("7","7","5","3","1","6","2","1") = "6"
    & skf21("7","7","5","3","1","6","3","1") = "6"
    & skf21("7","7","5","3","1","6","4","1") = "6"
    & skf21("7","7","5","3","1","6","5","1") = "6"
    & skf21("7","7","5","3","1","6","6","1") = "6"
    & skf21("7","7","5","3","1","6","7","1") = "6"
    & skf21("7","7","5","3","1","7","1","1") = "6"
    & skf21("7","7","5","3","1","7","2","1") = "6"
    & skf21("7","7","5","3","1","7","3","1") = "6"
    & skf21("7","7","5","3","1","7","4","1") = "6"
    & skf21("7","7","5","3","1","7","5","1") = "6"
    & skf21("7","7","5","3","1","7","6","1") = "6"
    & skf21("7","7","5","3","1","7","7","1") = "6"
    & skf21("7","7","5","3","2","1","1","1") = "6"
    & skf21("7","7","5","3","2","1","2","1") = "6"
    & skf21("7","7","5","3","2","1","3","1") = "6"
    & skf21("7","7","5","3","2","1","4","1") = "6"
    & skf21("7","7","5","3","2","1","5","1") = "6"
    & skf21("7","7","5","3","2","1","6","1") = "6"
    & skf21("7","7","5","3","2","1","7","1") = "6"
    & skf21("7","7","5","3","2","2","1","1") = "6"
    & skf21("7","7","5","3","2","2","2","1") = "6"
    & skf21("7","7","5","3","2","2","3","1") = "6"
    & skf21("7","7","5","3","2","2","4","1") = "6"
    & skf21("7","7","5","3","2","2","5","1") = "6"
    & skf21("7","7","5","3","2","2","6","1") = "6"
    & skf21("7","7","5","3","2","2","7","1") = "6"
    & skf21("7","7","5","3","2","3","1","1") = "6"
    & skf21("7","7","5","3","2","3","2","1") = "6"
    & skf21("7","7","5","3","2","3","3","1") = "6"
    & skf21("7","7","5","3","2","3","4","1") = "6"
    & skf21("7","7","5","3","2","3","5","1") = "6"
    & skf21("7","7","5","3","2","3","6","1") = "6"
    & skf21("7","7","5","3","2","3","7","1") = "6"
    & skf21("7","7","5","3","2","4","1","1") = "6"
    & skf21("7","7","5","3","2","4","2","1") = "6"
    & skf21("7","7","5","3","2","4","3","1") = "6"
    & skf21("7","7","5","3","2","4","4","1") = "6"
    & skf21("7","7","5","3","2","4","5","1") = "6"
    & skf21("7","7","5","3","2","4","6","1") = "6"
    & skf21("7","7","5","3","2","4","7","1") = "6"
    & skf21("7","7","5","3","2","5","1","1") = "6"
    & skf21("7","7","5","3","2","5","2","1") = "6"
    & skf21("7","7","5","3","2","5","3","1") = "6"
    & skf21("7","7","5","3","2","5","4","1") = "6"
    & skf21("7","7","5","3","2","5","5","1") = "6"
    & skf21("7","7","5","3","2","5","6","1") = "6"
    & skf21("7","7","5","3","2","5","7","1") = "6"
    & skf21("7","7","5","3","2","6","1","1") = "6"
    & skf21("7","7","5","3","2","6","2","1") = "6"
    & skf21("7","7","5","3","2","6","3","1") = "6"
    & skf21("7","7","5","3","2","6","4","1") = "6"
    & skf21("7","7","5","3","2","6","5","1") = "6"
    & skf21("7","7","5","3","2","6","6","1") = "6"
    & skf21("7","7","5","3","2","6","7","1") = "6"
    & skf21("7","7","5","3","2","7","1","1") = "6"
    & skf21("7","7","5","3","2","7","2","1") = "6"
    & skf21("7","7","5","3","2","7","3","1") = "6"
    & skf21("7","7","5","3","2","7","4","1") = "6"
    & skf21("7","7","5","3","2","7","5","1") = "6"
    & skf21("7","7","5","3","2","7","6","1") = "6"
    & skf21("7","7","5","3","2","7","7","1") = "6"
    & skf21("7","7","5","3","3","1","1","1") = "6"
    & skf21("7","7","5","3","3","1","2","1") = "6"
    & skf21("7","7","5","3","3","1","3","1") = "6"
    & skf21("7","7","5","3","3","1","4","1") = "6"
    & skf21("7","7","5","3","3","1","5","1") = "6"
    & skf21("7","7","5","3","3","1","6","1") = "6"
    & skf21("7","7","5","3","3","1","7","1") = "6"
    & skf21("7","7","5","3","3","2","1","1") = "6"
    & skf21("7","7","5","3","3","2","2","1") = "6"
    & skf21("7","7","5","3","3","2","3","1") = "6"
    & skf21("7","7","5","3","3","2","4","1") = "6"
    & skf21("7","7","5","3","3","2","5","1") = "6"
    & skf21("7","7","5","3","3","2","6","1") = "6"
    & skf21("7","7","5","3","3","2","7","1") = "6"
    & skf21("7","7","5","3","3","3","1","1") = "6"
    & skf21("7","7","5","3","3","3","2","1") = "6"
    & skf21("7","7","5","3","3","3","3","1") = "6"
    & skf21("7","7","5","3","3","3","4","1") = "6"
    & skf21("7","7","5","3","3","3","5","1") = "6"
    & skf21("7","7","5","3","3","3","6","1") = "6"
    & skf21("7","7","5","3","3","3","7","1") = "6"
    & skf21("7","7","5","3","3","4","1","1") = "6"
    & skf21("7","7","5","3","3","4","2","1") = "6"
    & skf21("7","7","5","3","3","4","3","1") = "6"
    & skf21("7","7","5","3","3","4","4","1") = "6"
    & skf21("7","7","5","3","3","4","5","1") = "6"
    & skf21("7","7","5","3","3","4","6","1") = "6"
    & skf21("7","7","5","3","3","4","7","1") = "6"
    & skf21("7","7","5","3","3","5","1","1") = "6"
    & skf21("7","7","5","3","3","5","2","1") = "6"
    & skf21("7","7","5","3","3","5","3","1") = "6"
    & skf21("7","7","5","3","3","5","4","1") = "6"
    & skf21("7","7","5","3","3","5","5","1") = "6"
    & skf21("7","7","5","3","3","5","6","1") = "6"
    & skf21("7","7","5","3","3","5","7","1") = "6"
    & skf21("7","7","5","3","3","6","1","1") = "6"
    & skf21("7","7","5","3","3","6","2","1") = "6"
    & skf21("7","7","5","3","3","6","3","1") = "6"
    & skf21("7","7","5","3","3","6","4","1") = "6"
    & skf21("7","7","5","3","3","6","5","1") = "6"
    & skf21("7","7","5","3","3","6","6","1") = "6"
    & skf21("7","7","5","3","3","6","7","1") = "6"
    & skf21("7","7","5","3","3","7","1","1") = "6"
    & skf21("7","7","5","3","3","7","2","1") = "6"
    & skf21("7","7","5","3","3","7","3","1") = "6"
    & skf21("7","7","5","3","3","7","4","1") = "6"
    & skf21("7","7","5","3","3","7","5","1") = "6"
    & skf21("7","7","5","3","3","7","6","1") = "6"
    & skf21("7","7","5","3","3","7","7","1") = "6"
    & skf21("7","7","5","3","4","1","1","1") = "6"
    & skf21("7","7","5","3","4","1","2","1") = "6"
    & skf21("7","7","5","3","4","1","3","1") = "6"
    & skf21("7","7","5","3","4","1","4","1") = "6"
    & skf21("7","7","5","3","4","1","5","1") = "6"
    & skf21("7","7","5","3","4","1","6","1") = "6"
    & skf21("7","7","5","3","4","1","7","1") = "6"
    & skf21("7","7","5","3","4","2","1","1") = "6"
    & skf21("7","7","5","3","4","2","2","1") = "6"
    & skf21("7","7","5","3","4","2","3","1") = "6"
    & skf21("7","7","5","3","4","2","4","1") = "6"
    & skf21("7","7","5","3","4","2","5","1") = "6"
    & skf21("7","7","5","3","4","2","6","1") = "6"
    & skf21("7","7","5","3","4","2","7","1") = "6"
    & skf21("7","7","5","3","4","3","1","1") = "6"
    & skf21("7","7","5","3","4","3","2","1") = "6"
    & skf21("7","7","5","3","4","3","3","1") = "6"
    & skf21("7","7","5","3","4","3","4","1") = "6"
    & skf21("7","7","5","3","4","3","5","1") = "6"
    & skf21("7","7","5","3","4","3","6","1") = "6"
    & skf21("7","7","5","3","4","3","7","1") = "6"
    & skf21("7","7","5","3","4","4","1","1") = "6"
    & skf21("7","7","5","3","4","4","2","1") = "6"
    & skf21("7","7","5","3","4","4","3","1") = "6"
    & skf21("7","7","5","3","4","4","4","1") = "6"
    & skf21("7","7","5","3","4","4","5","1") = "6"
    & skf21("7","7","5","3","4","4","6","1") = "6"
    & skf21("7","7","5","3","4","4","7","1") = "6"
    & skf21("7","7","5","3","4","5","1","1") = "6"
    & skf21("7","7","5","3","4","5","2","1") = "6"
    & skf21("7","7","5","3","4","5","3","1") = "6"
    & skf21("7","7","5","3","4","5","4","1") = "6"
    & skf21("7","7","5","3","4","5","5","1") = "6"
    & skf21("7","7","5","3","4","5","6","1") = "6"
    & skf21("7","7","5","3","4","5","7","1") = "6"
    & skf21("7","7","5","3","4","6","1","1") = "6"
    & skf21("7","7","5","3","4","6","2","1") = "6"
    & skf21("7","7","5","3","4","6","3","1") = "6"
    & skf21("7","7","5","3","4","6","4","1") = "6"
    & skf21("7","7","5","3","4","6","5","1") = "6"
    & skf21("7","7","5","3","4","6","6","1") = "6"
    & skf21("7","7","5","3","4","6","7","1") = "6"
    & skf21("7","7","5","3","4","7","1","1") = "6"
    & skf21("7","7","5","3","4","7","2","1") = "6"
    & skf21("7","7","5","3","4","7","3","1") = "6"
    & skf21("7","7","5","3","4","7","4","1") = "6"
    & skf21("7","7","5","3","4","7","5","1") = "6"
    & skf21("7","7","5","3","4","7","6","1") = "6"
    & skf21("7","7","5","3","4","7","7","1") = "6"
    & skf21("7","7","5","3","5","1","1","1") = "6"
    & skf21("7","7","5","3","5","1","2","1") = "6"
    & skf21("7","7","5","3","5","1","3","1") = "6"
    & skf21("7","7","5","3","5","1","4","1") = "6"
    & skf21("7","7","5","3","5","1","5","1") = "6"
    & skf21("7","7","5","3","5","1","6","1") = "6"
    & skf21("7","7","5","3","5","1","7","1") = "6"
    & skf21("7","7","5","3","5","2","1","1") = "6"
    & skf21("7","7","5","3","5","2","2","1") = "6"
    & skf21("7","7","5","3","5","2","3","1") = "6"
    & skf21("7","7","5","3","5","2","4","1") = "6"
    & skf21("7","7","5","3","5","2","5","1") = "6"
    & skf21("7","7","5","3","5","2","6","1") = "6"
    & skf21("7","7","5","3","5","2","7","1") = "6"
    & skf21("7","7","5","3","5","3","1","1") = "6"
    & skf21("7","7","5","3","5","3","2","1") = "6"
    & skf21("7","7","5","3","5","3","3","1") = "6"
    & skf21("7","7","5","3","5","3","4","1") = "6"
    & skf21("7","7","5","3","5","3","5","1") = "6"
    & skf21("7","7","5","3","5","3","6","1") = "6"
    & skf21("7","7","5","3","5","3","7","1") = "6"
    & skf21("7","7","5","3","5","4","1","1") = "6"
    & skf21("7","7","5","3","5","4","2","1") = "6"
    & skf21("7","7","5","3","5","4","3","1") = "6"
    & skf21("7","7","5","3","5","4","4","1") = "6"
    & skf21("7","7","5","3","5","4","5","1") = "6"
    & skf21("7","7","5","3","5","4","6","1") = "6"
    & skf21("7","7","5","3","5","4","7","1") = "6"
    & skf21("7","7","5","3","5","5","1","1") = "6"
    & skf21("7","7","5","3","5","5","2","1") = "6"
    & skf21("7","7","5","3","5","5","3","1") = "6"
    & skf21("7","7","5","3","5","5","4","1") = "6"
    & skf21("7","7","5","3","5","5","5","1") = "6"
    & skf21("7","7","5","3","5","5","6","1") = "6"
    & skf21("7","7","5","3","5","5","7","1") = "6"
    & skf21("7","7","5","3","5","6","1","1") = "6"
    & skf21("7","7","5","3","5","6","2","1") = "6"
    & skf21("7","7","5","3","5","6","3","1") = "6"
    & skf21("7","7","5","3","5","6","4","1") = "6"
    & skf21("7","7","5","3","5","6","5","1") = "6"
    & skf21("7","7","5","3","5","6","6","1") = "6"
    & skf21("7","7","5","3","5","6","7","1") = "6"
    & skf21("7","7","5","3","5","7","1","1") = "6"
    & skf21("7","7","5","3","5","7","2","1") = "6"
    & skf21("7","7","5","3","5","7","3","1") = "6"
    & skf21("7","7","5","3","5","7","4","1") = "6"
    & skf21("7","7","5","3","5","7","5","1") = "6"
    & skf21("7","7","5","3","5","7","6","1") = "6"
    & skf21("7","7","5","3","5","7","7","1") = "6"
    & skf21("7","7","5","3","6","1","1","1") = "6"
    & skf21("7","7","5","3","6","1","2","1") = "6"
    & skf21("7","7","5","3","6","1","3","1") = "6"
    & skf21("7","7","5","3","6","1","4","1") = "6"
    & skf21("7","7","5","3","6","1","5","1") = "6"
    & skf21("7","7","5","3","6","1","6","1") = "6"
    & skf21("7","7","5","3","6","1","7","1") = "6"
    & skf21("7","7","5","3","6","2","1","1") = "6"
    & skf21("7","7","5","3","6","2","2","1") = "6"
    & skf21("7","7","5","3","6","2","3","1") = "6"
    & skf21("7","7","5","3","6","2","4","1") = "6"
    & skf21("7","7","5","3","6","2","5","1") = "6"
    & skf21("7","7","5","3","6","2","6","1") = "6"
    & skf21("7","7","5","3","6","2","7","1") = "6"
    & skf21("7","7","5","3","6","3","1","1") = "6"
    & skf21("7","7","5","3","6","3","2","1") = "6"
    & skf21("7","7","5","3","6","3","3","1") = "6"
    & skf21("7","7","5","3","6","3","4","1") = "6"
    & skf21("7","7","5","3","6","3","5","1") = "6"
    & skf21("7","7","5","3","6","3","6","1") = "6"
    & skf21("7","7","5","3","6","3","7","1") = "6"
    & skf21("7","7","5","3","6","4","1","1") = "6"
    & skf21("7","7","5","3","6","4","2","1") = "6"
    & skf21("7","7","5","3","6","4","3","1") = "6"
    & skf21("7","7","5","3","6","4","4","1") = "6"
    & skf21("7","7","5","3","6","4","5","1") = "6"
    & skf21("7","7","5","3","6","4","6","1") = "6"
    & skf21("7","7","5","3","6","4","7","1") = "6"
    & skf21("7","7","5","3","6","5","1","1") = "6"
    & skf21("7","7","5","3","6","5","2","1") = "6"
    & skf21("7","7","5","3","6","5","3","1") = "6"
    & skf21("7","7","5","3","6","5","4","1") = "6"
    & skf21("7","7","5","3","6","5","5","1") = "6"
    & skf21("7","7","5","3","6","5","6","1") = "6"
    & skf21("7","7","5","3","6","5","7","1") = "6"
    & skf21("7","7","5","3","6","6","1","1") = "6"
    & skf21("7","7","5","3","6","6","2","1") = "6"
    & skf21("7","7","5","3","6","6","3","1") = "6"
    & skf21("7","7","5","3","6","6","4","1") = "6"
    & skf21("7","7","5","3","6","6","5","1") = "6"
    & skf21("7","7","5","3","6","6","6","1") = "6"
    & skf21("7","7","5","3","6","6","7","1") = "6"
    & skf21("7","7","5","3","6","7","1","1") = "6"
    & skf21("7","7","5","3","6","7","2","1") = "6"
    & skf21("7","7","5","3","6","7","3","1") = "6"
    & skf21("7","7","5","3","6","7","4","1") = "6"
    & skf21("7","7","5","3","6","7","5","1") = "6"
    & skf21("7","7","5","3","6","7","6","1") = "6"
    & skf21("7","7","5","3","6","7","7","1") = "6"
    & skf21("7","7","5","3","7","1","1","1") = "6"
    & skf21("7","7","5","3","7","1","2","1") = "6"
    & skf21("7","7","5","3","7","1","3","1") = "6"
    & skf21("7","7","5","3","7","1","4","1") = "6"
    & skf21("7","7","5","3","7","1","5","1") = "6"
    & skf21("7","7","5","3","7","1","6","1") = "6"
    & skf21("7","7","5","3","7","1","7","1") = "6"
    & skf21("7","7","5","3","7","2","1","1") = "6"
    & skf21("7","7","5","3","7","2","2","1") = "6"
    & skf21("7","7","5","3","7","2","3","1") = "6"
    & skf21("7","7","5","3","7","2","4","1") = "6"
    & skf21("7","7","5","3","7","2","5","1") = "6"
    & skf21("7","7","5","3","7","2","6","1") = "6"
    & skf21("7","7","5","3","7","2","7","1") = "6"
    & skf21("7","7","5","3","7","3","1","1") = "6"
    & skf21("7","7","5","3","7","3","2","1") = "6"
    & skf21("7","7","5","3","7","3","3","1") = "6"
    & skf21("7","7","5","3","7","3","4","1") = "6"
    & skf21("7","7","5","3","7","3","5","1") = "6"
    & skf21("7","7","5","3","7","3","6","1") = "6"
    & skf21("7","7","5","3","7","3","7","1") = "6"
    & skf21("7","7","5","3","7","4","1","1") = "6"
    & skf21("7","7","5","3","7","4","2","1") = "6"
    & skf21("7","7","5","3","7","4","3","1") = "6"
    & skf21("7","7","5","3","7","4","4","1") = "6"
    & skf21("7","7","5","3","7","4","5","1") = "6"
    & skf21("7","7","5","3","7","4","6","1") = "6"
    & skf21("7","7","5","3","7","4","7","1") = "6"
    & skf21("7","7","5","3","7","5","1","1") = "6"
    & skf21("7","7","5","3","7","5","2","1") = "6"
    & skf21("7","7","5","3","7","5","3","1") = "6"
    & skf21("7","7","5","3","7","5","4","1") = "6"
    & skf21("7","7","5","3","7","5","5","1") = "6"
    & skf21("7","7","5","3","7","5","6","1") = "6"
    & skf21("7","7","5","3","7","5","7","1") = "6"
    & skf21("7","7","5","3","7","6","1","1") = "6"
    & skf21("7","7","5","3","7","6","2","1") = "6"
    & skf21("7","7","5","3","7","6","3","1") = "6"
    & skf21("7","7","5","3","7","6","4","1") = "6"
    & skf21("7","7","5","3","7","6","5","1") = "6"
    & skf21("7","7","5","3","7","6","6","1") = "6"
    & skf21("7","7","5","3","7","6","7","1") = "6"
    & skf21("7","7","5","3","7","7","1","1") = "6"
    & skf21("7","7","5","3","7","7","2","1") = "6"
    & skf21("7","7","5","3","7","7","3","1") = "6"
    & skf21("7","7","5","3","7","7","4","1") = "6"
    & skf21("7","7","5","3","7","7","5","1") = "6"
    & skf21("7","7","5","3","7","7","6","1") = "6"
    & skf21("7","7","5","3","7","7","7","1") = "6"
    & skf21("7","7","5","4","1","1","1","1") = "6"
    & skf21("7","7","5","4","1","1","2","1") = "6"
    & skf21("7","7","5","4","1","1","3","1") = "6"
    & skf21("7","7","5","4","1","1","4","1") = "6"
    & skf21("7","7","5","4","1","1","5","1") = "6"
    & skf21("7","7","5","4","1","1","6","1") = "6"
    & skf21("7","7","5","4","1","1","7","1") = "6"
    & skf21("7","7","5","4","1","2","1","1") = "6"
    & skf21("7","7","5","4","1","2","2","1") = "6"
    & skf21("7","7","5","4","1","2","3","1") = "6"
    & skf21("7","7","5","4","1","2","4","1") = "6"
    & skf21("7","7","5","4","1","2","5","1") = "6"
    & skf21("7","7","5","4","1","2","6","1") = "6"
    & skf21("7","7","5","4","1","2","7","1") = "6"
    & skf21("7","7","5","4","1","3","1","1") = "6"
    & skf21("7","7","5","4","1","3","2","1") = "6"
    & skf21("7","7","5","4","1","3","3","1") = "6"
    & skf21("7","7","5","4","1","3","4","1") = "6"
    & skf21("7","7","5","4","1","3","5","1") = "6"
    & skf21("7","7","5","4","1","3","6","1") = "6"
    & skf21("7","7","5","4","1","3","7","1") = "6"
    & skf21("7","7","5","4","1","4","1","1") = "6"
    & skf21("7","7","5","4","1","4","2","1") = "6"
    & skf21("7","7","5","4","1","4","3","1") = "6"
    & skf21("7","7","5","4","1","4","4","1") = "6"
    & skf21("7","7","5","4","1","4","5","1") = "6"
    & skf21("7","7","5","4","1","4","6","1") = "6"
    & skf21("7","7","5","4","1","4","7","1") = "6"
    & skf21("7","7","5","4","1","5","1","1") = "6"
    & skf21("7","7","5","4","1","5","2","1") = "6"
    & skf21("7","7","5","4","1","5","3","1") = "6"
    & skf21("7","7","5","4","1","5","4","1") = "6"
    & skf21("7","7","5","4","1","5","5","1") = "6"
    & skf21("7","7","5","4","1","5","6","1") = "6"
    & skf21("7","7","5","4","1","5","7","1") = "6"
    & skf21("7","7","5","4","1","6","1","1") = "6"
    & skf21("7","7","5","4","1","6","2","1") = "6"
    & skf21("7","7","5","4","1","6","3","1") = "6"
    & skf21("7","7","5","4","1","6","4","1") = "6"
    & skf21("7","7","5","4","1","6","5","1") = "6"
    & skf21("7","7","5","4","1","6","6","1") = "6"
    & skf21("7","7","5","4","1","6","7","1") = "6"
    & skf21("7","7","5","4","1","7","1","1") = "6"
    & skf21("7","7","5","4","1","7","2","1") = "6"
    & skf21("7","7","5","4","1","7","3","1") = "6"
    & skf21("7","7","5","4","1","7","4","1") = "6"
    & skf21("7","7","5","4","1","7","5","1") = "6"
    & skf21("7","7","5","4","1","7","6","1") = "6"
    & skf21("7","7","5","4","1","7","7","1") = "6"
    & skf21("7","7","5","4","2","1","1","1") = "6"
    & skf21("7","7","5","4","2","1","2","1") = "6"
    & skf21("7","7","5","4","2","1","3","1") = "6"
    & skf21("7","7","5","4","2","1","4","1") = "6"
    & skf21("7","7","5","4","2","1","5","1") = "6"
    & skf21("7","7","5","4","2","1","6","1") = "6"
    & skf21("7","7","5","4","2","1","7","1") = "6"
    & skf21("7","7","5","4","2","2","1","1") = "6"
    & skf21("7","7","5","4","2","2","2","1") = "6"
    & skf21("7","7","5","4","2","2","3","1") = "6"
    & skf21("7","7","5","4","2","2","4","1") = "6"
    & skf21("7","7","5","4","2","2","5","1") = "6"
    & skf21("7","7","5","4","2","2","6","1") = "6"
    & skf21("7","7","5","4","2","2","7","1") = "6"
    & skf21("7","7","5","4","2","3","1","1") = "6"
    & skf21("7","7","5","4","2","3","2","1") = "6"
    & skf21("7","7","5","4","2","3","3","1") = "6"
    & skf21("7","7","5","4","2","3","4","1") = "6"
    & skf21("7","7","5","4","2","3","5","1") = "6"
    & skf21("7","7","5","4","2","3","6","1") = "6"
    & skf21("7","7","5","4","2","3","7","1") = "6"
    & skf21("7","7","5","4","2","4","1","1") = "6"
    & skf21("7","7","5","4","2","4","2","1") = "6"
    & skf21("7","7","5","4","2","4","3","1") = "6"
    & skf21("7","7","5","4","2","4","4","1") = "6"
    & skf21("7","7","5","4","2","4","5","1") = "6"
    & skf21("7","7","5","4","2","4","6","1") = "6"
    & skf21("7","7","5","4","2","4","7","1") = "6"
    & skf21("7","7","5","4","2","5","1","1") = "6"
    & skf21("7","7","5","4","2","5","2","1") = "6"
    & skf21("7","7","5","4","2","5","3","1") = "6"
    & skf21("7","7","5","4","2","5","4","1") = "6"
    & skf21("7","7","5","4","2","5","5","1") = "6"
    & skf21("7","7","5","4","2","5","6","1") = "6"
    & skf21("7","7","5","4","2","5","7","1") = "6"
    & skf21("7","7","5","4","2","6","1","1") = "6"
    & skf21("7","7","5","4","2","6","2","1") = "6"
    & skf21("7","7","5","4","2","6","3","1") = "6"
    & skf21("7","7","5","4","2","6","4","1") = "6"
    & skf21("7","7","5","4","2","6","5","1") = "6"
    & skf21("7","7","5","4","2","6","6","1") = "6"
    & skf21("7","7","5","4","2","6","7","1") = "6"
    & skf21("7","7","5","4","2","7","1","1") = "6"
    & skf21("7","7","5","4","2","7","2","1") = "6"
    & skf21("7","7","5","4","2","7","3","1") = "6"
    & skf21("7","7","5","4","2","7","4","1") = "6"
    & skf21("7","7","5","4","2","7","5","1") = "6"
    & skf21("7","7","5","4","2","7","6","1") = "6"
    & skf21("7","7","5","4","2","7","7","1") = "6"
    & skf21("7","7","5","4","3","1","1","1") = "6"
    & skf21("7","7","5","4","3","1","2","1") = "6"
    & skf21("7","7","5","4","3","1","3","1") = "6"
    & skf21("7","7","5","4","3","1","4","1") = "6"
    & skf21("7","7","5","4","3","1","5","1") = "6"
    & skf21("7","7","5","4","3","1","6","1") = "6"
    & skf21("7","7","5","4","3","1","7","1") = "6"
    & skf21("7","7","5","4","3","2","1","1") = "6"
    & skf21("7","7","5","4","3","2","2","1") = "6"
    & skf21("7","7","5","4","3","2","3","1") = "6"
    & skf21("7","7","5","4","3","2","4","1") = "6"
    & skf21("7","7","5","4","3","2","5","1") = "6"
    & skf21("7","7","5","4","3","2","6","1") = "6"
    & skf21("7","7","5","4","3","2","7","1") = "6"
    & skf21("7","7","5","4","3","3","1","1") = "6"
    & skf21("7","7","5","4","3","3","2","1") = "6"
    & skf21("7","7","5","4","3","3","3","1") = "6"
    & skf21("7","7","5","4","3","3","4","1") = "6"
    & skf21("7","7","5","4","3","3","5","1") = "6"
    & skf21("7","7","5","4","3","3","6","1") = "6"
    & skf21("7","7","5","4","3","3","7","1") = "6"
    & skf21("7","7","5","4","3","4","1","1") = "6"
    & skf21("7","7","5","4","3","4","2","1") = "6"
    & skf21("7","7","5","4","3","4","3","1") = "6"
    & skf21("7","7","5","4","3","4","4","1") = "6"
    & skf21("7","7","5","4","3","4","5","1") = "6"
    & skf21("7","7","5","4","3","4","6","1") = "6"
    & skf21("7","7","5","4","3","4","7","1") = "6"
    & skf21("7","7","5","4","3","5","1","1") = "6"
    & skf21("7","7","5","4","3","5","2","1") = "6"
    & skf21("7","7","5","4","3","5","3","1") = "6"
    & skf21("7","7","5","4","3","5","4","1") = "6"
    & skf21("7","7","5","4","3","5","5","1") = "6"
    & skf21("7","7","5","4","3","5","6","1") = "6"
    & skf21("7","7","5","4","3","5","7","1") = "6"
    & skf21("7","7","5","4","3","6","1","1") = "6"
    & skf21("7","7","5","4","3","6","2","1") = "6"
    & skf21("7","7","5","4","3","6","3","1") = "6"
    & skf21("7","7","5","4","3","6","4","1") = "6"
    & skf21("7","7","5","4","3","6","5","1") = "6"
    & skf21("7","7","5","4","3","6","6","1") = "6"
    & skf21("7","7","5","4","3","6","7","1") = "6"
    & skf21("7","7","5","4","3","7","1","1") = "6"
    & skf21("7","7","5","4","3","7","2","1") = "6"
    & skf21("7","7","5","4","3","7","3","1") = "6"
    & skf21("7","7","5","4","3","7","4","1") = "6"
    & skf21("7","7","5","4","3","7","5","1") = "6"
    & skf21("7","7","5","4","3","7","6","1") = "6"
    & skf21("7","7","5","4","3","7","7","1") = "6"
    & skf21("7","7","5","4","4","1","1","1") = "6"
    & skf21("7","7","5","4","4","1","2","1") = "6"
    & skf21("7","7","5","4","4","1","3","1") = "6"
    & skf21("7","7","5","4","4","1","4","1") = "6"
    & skf21("7","7","5","4","4","1","5","1") = "6"
    & skf21("7","7","5","4","4","1","6","1") = "6"
    & skf21("7","7","5","4","4","1","7","1") = "6"
    & skf21("7","7","5","4","4","2","1","1") = "6"
    & skf21("7","7","5","4","4","2","2","1") = "6"
    & skf21("7","7","5","4","4","2","3","1") = "6"
    & skf21("7","7","5","4","4","2","4","1") = "6"
    & skf21("7","7","5","4","4","2","5","1") = "6"
    & skf21("7","7","5","4","4","2","6","1") = "6"
    & skf21("7","7","5","4","4","2","7","1") = "6"
    & skf21("7","7","5","4","4","3","1","1") = "6"
    & skf21("7","7","5","4","4","3","2","1") = "6"
    & skf21("7","7","5","4","4","3","3","1") = "6"
    & skf21("7","7","5","4","4","3","4","1") = "6"
    & skf21("7","7","5","4","4","3","5","1") = "6"
    & skf21("7","7","5","4","4","3","6","1") = "6"
    & skf21("7","7","5","4","4","3","7","1") = "6"
    & skf21("7","7","5","4","4","4","1","1") = "6"
    & skf21("7","7","5","4","4","4","2","1") = "6"
    & skf21("7","7","5","4","4","4","3","1") = "6"
    & skf21("7","7","5","4","4","4","4","1") = "6"
    & skf21("7","7","5","4","4","4","5","1") = "6"
    & skf21("7","7","5","4","4","4","6","1") = "6"
    & skf21("7","7","5","4","4","4","7","1") = "6"
    & skf21("7","7","5","4","4","5","1","1") = "6"
    & skf21("7","7","5","4","4","5","2","1") = "6"
    & skf21("7","7","5","4","4","5","3","1") = "6"
    & skf21("7","7","5","4","4","5","4","1") = "6"
    & skf21("7","7","5","4","4","5","5","1") = "6"
    & skf21("7","7","5","4","4","5","6","1") = "6"
    & skf21("7","7","5","4","4","5","7","1") = "6"
    & skf21("7","7","5","4","4","6","1","1") = "6"
    & skf21("7","7","5","4","4","6","2","1") = "6"
    & skf21("7","7","5","4","4","6","3","1") = "6"
    & skf21("7","7","5","4","4","6","4","1") = "6"
    & skf21("7","7","5","4","4","6","5","1") = "6"
    & skf21("7","7","5","4","4","6","6","1") = "6"
    & skf21("7","7","5","4","4","6","7","1") = "6"
    & skf21("7","7","5","4","4","7","1","1") = "6"
    & skf21("7","7","5","4","4","7","2","1") = "6"
    & skf21("7","7","5","4","4","7","3","1") = "6"
    & skf21("7","7","5","4","4","7","4","1") = "6"
    & skf21("7","7","5","4","4","7","5","1") = "6"
    & skf21("7","7","5","4","4","7","6","1") = "6"
    & skf21("7","7","5","4","4","7","7","1") = "6"
    & skf21("7","7","5","4","5","1","1","1") = "6"
    & skf21("7","7","5","4","5","1","2","1") = "6"
    & skf21("7","7","5","4","5","1","3","1") = "6"
    & skf21("7","7","5","4","5","1","4","1") = "6"
    & skf21("7","7","5","4","5","1","5","1") = "6"
    & skf21("7","7","5","4","5","1","6","1") = "6"
    & skf21("7","7","5","4","5","1","7","1") = "6"
    & skf21("7","7","5","4","5","2","1","1") = "6"
    & skf21("7","7","5","4","5","2","2","1") = "6"
    & skf21("7","7","5","4","5","2","3","1") = "6"
    & skf21("7","7","5","4","5","2","4","1") = "6"
    & skf21("7","7","5","4","5","2","5","1") = "6"
    & skf21("7","7","5","4","5","2","6","1") = "6"
    & skf21("7","7","5","4","5","2","7","1") = "6"
    & skf21("7","7","5","4","5","3","1","1") = "6"
    & skf21("7","7","5","4","5","3","2","1") = "6"
    & skf21("7","7","5","4","5","3","3","1") = "6"
    & skf21("7","7","5","4","5","3","4","1") = "6"
    & skf21("7","7","5","4","5","3","5","1") = "6"
    & skf21("7","7","5","4","5","3","6","1") = "6"
    & skf21("7","7","5","4","5","3","7","1") = "6"
    & skf21("7","7","5","4","5","4","1","1") = "6"
    & skf21("7","7","5","4","5","4","2","1") = "6"
    & skf21("7","7","5","4","5","4","3","1") = "6"
    & skf21("7","7","5","4","5","4","4","1") = "6"
    & skf21("7","7","5","4","5","4","5","1") = "6"
    & skf21("7","7","5","4","5","4","6","1") = "6"
    & skf21("7","7","5","4","5","4","7","1") = "6"
    & skf21("7","7","5","4","5","5","1","1") = "6"
    & skf21("7","7","5","4","5","5","2","1") = "6"
    & skf21("7","7","5","4","5","5","3","1") = "6"
    & skf21("7","7","5","4","5","5","4","1") = "6"
    & skf21("7","7","5","4","5","5","5","1") = "6"
    & skf21("7","7","5","4","5","5","6","1") = "6"
    & skf21("7","7","5","4","5","5","7","1") = "6"
    & skf21("7","7","5","4","5","6","1","1") = "6"
    & skf21("7","7","5","4","5","6","2","1") = "6"
    & skf21("7","7","5","4","5","6","3","1") = "6"
    & skf21("7","7","5","4","5","6","4","1") = "6"
    & skf21("7","7","5","4","5","6","5","1") = "6"
    & skf21("7","7","5","4","5","6","6","1") = "6"
    & skf21("7","7","5","4","5","6","7","1") = "6"
    & skf21("7","7","5","4","5","7","1","1") = "6"
    & skf21("7","7","5","4","5","7","2","1") = "6"
    & skf21("7","7","5","4","5","7","3","1") = "6"
    & skf21("7","7","5","4","5","7","4","1") = "6"
    & skf21("7","7","5","4","5","7","5","1") = "6"
    & skf21("7","7","5","4","5","7","6","1") = "6"
    & skf21("7","7","5","4","5","7","7","1") = "6"
    & skf21("7","7","5","4","6","1","1","1") = "6"
    & skf21("7","7","5","4","6","1","2","1") = "6"
    & skf21("7","7","5","4","6","1","3","1") = "6"
    & skf21("7","7","5","4","6","1","4","1") = "6"
    & skf21("7","7","5","4","6","1","5","1") = "6"
    & skf21("7","7","5","4","6","1","6","1") = "6"
    & skf21("7","7","5","4","6","1","7","1") = "6"
    & skf21("7","7","5","4","6","2","1","1") = "6"
    & skf21("7","7","5","4","6","2","2","1") = "6"
    & skf21("7","7","5","4","6","2","3","1") = "6"
    & skf21("7","7","5","4","6","2","4","1") = "6"
    & skf21("7","7","5","4","6","2","5","1") = "6"
    & skf21("7","7","5","4","6","2","6","1") = "6"
    & skf21("7","7","5","4","6","2","7","1") = "6"
    & skf21("7","7","5","4","6","3","1","1") = "6"
    & skf21("7","7","5","4","6","3","2","1") = "6"
    & skf21("7","7","5","4","6","3","3","1") = "6"
    & skf21("7","7","5","4","6","3","4","1") = "6"
    & skf21("7","7","5","4","6","3","5","1") = "6"
    & skf21("7","7","5","4","6","3","6","1") = "6"
    & skf21("7","7","5","4","6","3","7","1") = "6"
    & skf21("7","7","5","4","6","4","1","1") = "6"
    & skf21("7","7","5","4","6","4","2","1") = "6"
    & skf21("7","7","5","4","6","4","3","1") = "6"
    & skf21("7","7","5","4","6","4","4","1") = "6"
    & skf21("7","7","5","4","6","4","5","1") = "6"
    & skf21("7","7","5","4","6","4","6","1") = "6"
    & skf21("7","7","5","4","6","4","7","1") = "6"
    & skf21("7","7","5","4","6","5","1","1") = "6"
    & skf21("7","7","5","4","6","5","2","1") = "6"
    & skf21("7","7","5","4","6","5","3","1") = "6"
    & skf21("7","7","5","4","6","5","4","1") = "6"
    & skf21("7","7","5","4","6","5","5","1") = "6"
    & skf21("7","7","5","4","6","5","6","1") = "6"
    & skf21("7","7","5","4","6","5","7","1") = "6"
    & skf21("7","7","5","4","6","6","1","1") = "6"
    & skf21("7","7","5","4","6","6","2","1") = "6"
    & skf21("7","7","5","4","6","6","3","1") = "6"
    & skf21("7","7","5","4","6","6","4","1") = "6"
    & skf21("7","7","5","4","6","6","5","1") = "6"
    & skf21("7","7","5","4","6","6","6","1") = "6"
    & skf21("7","7","5","4","6","6","7","1") = "6"
    & skf21("7","7","5","4","6","7","1","1") = "6"
    & skf21("7","7","5","4","6","7","2","1") = "6"
    & skf21("7","7","5","4","6","7","3","1") = "6"
    & skf21("7","7","5","4","6","7","4","1") = "6"
    & skf21("7","7","5","4","6","7","5","1") = "6"
    & skf21("7","7","5","4","6","7","6","1") = "6"
    & skf21("7","7","5","4","6","7","7","1") = "6"
    & skf21("7","7","5","4","7","1","1","1") = "6"
    & skf21("7","7","5","4","7","1","2","1") = "6"
    & skf21("7","7","5","4","7","1","3","1") = "6"
    & skf21("7","7","5","4","7","1","4","1") = "6"
    & skf21("7","7","5","4","7","1","5","1") = "6"
    & skf21("7","7","5","4","7","1","6","1") = "6"
    & skf21("7","7","5","4","7","1","7","1") = "6"
    & skf21("7","7","5","4","7","2","1","1") = "6"
    & skf21("7","7","5","4","7","2","2","1") = "6"
    & skf21("7","7","5","4","7","2","3","1") = "6"
    & skf21("7","7","5","4","7","2","4","1") = "6"
    & skf21("7","7","5","4","7","2","5","1") = "6"
    & skf21("7","7","5","4","7","2","6","1") = "6"
    & skf21("7","7","5","4","7","2","7","1") = "6"
    & skf21("7","7","5","4","7","3","1","1") = "6"
    & skf21("7","7","5","4","7","3","2","1") = "6"
    & skf21("7","7","5","4","7","3","3","1") = "6"
    & skf21("7","7","5","4","7","3","4","1") = "6"
    & skf21("7","7","5","4","7","3","5","1") = "6"
    & skf21("7","7","5","4","7","3","6","1") = "6"
    & skf21("7","7","5","4","7","3","7","1") = "6"
    & skf21("7","7","5","4","7","4","1","1") = "6"
    & skf21("7","7","5","4","7","4","2","1") = "6"
    & skf21("7","7","5","4","7","4","3","1") = "6"
    & skf21("7","7","5","4","7","4","4","1") = "6"
    & skf21("7","7","5","4","7","4","5","1") = "6"
    & skf21("7","7","5","4","7","4","6","1") = "6"
    & skf21("7","7","5","4","7","4","7","1") = "6"
    & skf21("7","7","5","4","7","5","1","1") = "6"
    & skf21("7","7","5","4","7","5","2","1") = "6"
    & skf21("7","7","5","4","7","5","3","1") = "6"
    & skf21("7","7","5","4","7","5","4","1") = "6"
    & skf21("7","7","5","4","7","5","5","1") = "6"
    & skf21("7","7","5","4","7","5","6","1") = "6"
    & skf21("7","7","5","4","7","5","7","1") = "6"
    & skf21("7","7","5","4","7","6","1","1") = "6"
    & skf21("7","7","5","4","7","6","2","1") = "6"
    & skf21("7","7","5","4","7","6","3","1") = "6"
    & skf21("7","7","5","4","7","6","4","1") = "6"
    & skf21("7","7","5","4","7","6","5","1") = "6"
    & skf21("7","7","5","4","7","6","6","1") = "6"
    & skf21("7","7","5","4","7","6","7","1") = "6"
    & skf21("7","7","5","4","7","7","1","1") = "6"
    & skf21("7","7","5","4","7","7","2","1") = "6"
    & skf21("7","7","5","4","7","7","3","1") = "6"
    & skf21("7","7","5","4","7","7","4","1") = "6"
    & skf21("7","7","5","4","7","7","5","1") = "6"
    & skf21("7","7","5","4","7","7","6","1") = "6"
    & skf21("7","7","5","4","7","7","7","1") = "6"
    & skf21("7","7","5","5","1","1","1","1") = "6"
    & skf21("7","7","5","5","1","1","2","1") = "6"
    & skf21("7","7","5","5","1","1","3","1") = "6"
    & skf21("7","7","5","5","1","1","4","1") = "6"
    & skf21("7","7","5","5","1","1","5","1") = "6"
    & skf21("7","7","5","5","1","1","6","1") = "6"
    & skf21("7","7","5","5","1","1","7","1") = "6"
    & skf21("7","7","5","5","1","2","1","1") = "6"
    & skf21("7","7","5","5","1","2","2","1") = "6"
    & skf21("7","7","5","5","1","2","3","1") = "6"
    & skf21("7","7","5","5","1","2","4","1") = "6"
    & skf21("7","7","5","5","1","2","5","1") = "6"
    & skf21("7","7","5","5","1","2","6","1") = "6"
    & skf21("7","7","5","5","1","2","7","1") = "6"
    & skf21("7","7","5","5","1","3","1","1") = "6"
    & skf21("7","7","5","5","1","3","2","1") = "6"
    & skf21("7","7","5","5","1","3","3","1") = "6"
    & skf21("7","7","5","5","1","3","4","1") = "6"
    & skf21("7","7","5","5","1","3","5","1") = "6"
    & skf21("7","7","5","5","1","3","6","1") = "6"
    & skf21("7","7","5","5","1","3","7","1") = "6"
    & skf21("7","7","5","5","1","4","1","1") = "6"
    & skf21("7","7","5","5","1","4","2","1") = "6"
    & skf21("7","7","5","5","1","4","3","1") = "6"
    & skf21("7","7","5","5","1","4","4","1") = "6"
    & skf21("7","7","5","5","1","4","5","1") = "6"
    & skf21("7","7","5","5","1","4","6","1") = "6"
    & skf21("7","7","5","5","1","4","7","1") = "6"
    & skf21("7","7","5","5","1","5","1","1") = "6"
    & skf21("7","7","5","5","1","5","2","1") = "6"
    & skf21("7","7","5","5","1","5","3","1") = "6"
    & skf21("7","7","5","5","1","5","4","1") = "6"
    & skf21("7","7","5","5","1","5","5","1") = "6"
    & skf21("7","7","5","5","1","5","6","1") = "6"
    & skf21("7","7","5","5","1","5","7","1") = "6"
    & skf21("7","7","5","5","1","6","1","1") = "6"
    & skf21("7","7","5","5","1","6","2","1") = "6"
    & skf21("7","7","5","5","1","6","3","1") = "6"
    & skf21("7","7","5","5","1","6","4","1") = "6"
    & skf21("7","7","5","5","1","6","5","1") = "6"
    & skf21("7","7","5","5","1","6","6","1") = "6"
    & skf21("7","7","5","5","1","6","7","1") = "6"
    & skf21("7","7","5","5","1","7","1","1") = "6"
    & skf21("7","7","5","5","1","7","2","1") = "6"
    & skf21("7","7","5","5","1","7","3","1") = "6"
    & skf21("7","7","5","5","1","7","4","1") = "6"
    & skf21("7","7","5","5","1","7","5","1") = "6"
    & skf21("7","7","5","5","1","7","6","1") = "6"
    & skf21("7","7","5","5","1","7","7","1") = "6"
    & skf21("7","7","5","5","2","1","1","1") = "6"
    & skf21("7","7","5","5","2","1","2","1") = "6"
    & skf21("7","7","5","5","2","1","3","1") = "6"
    & skf21("7","7","5","5","2","1","4","1") = "6"
    & skf21("7","7","5","5","2","1","5","1") = "6"
    & skf21("7","7","5","5","2","1","6","1") = "6"
    & skf21("7","7","5","5","2","1","7","1") = "6"
    & skf21("7","7","5","5","2","2","1","1") = "6"
    & skf21("7","7","5","5","2","2","2","1") = "6"
    & skf21("7","7","5","5","2","2","3","1") = "6"
    & skf21("7","7","5","5","2","2","4","1") = "6"
    & skf21("7","7","5","5","2","2","5","1") = "6"
    & skf21("7","7","5","5","2","2","6","1") = "6"
    & skf21("7","7","5","5","2","2","7","1") = "6"
    & skf21("7","7","5","5","2","3","1","1") = "6"
    & skf21("7","7","5","5","2","3","2","1") = "6"
    & skf21("7","7","5","5","2","3","3","1") = "6"
    & skf21("7","7","5","5","2","3","4","1") = "6"
    & skf21("7","7","5","5","2","3","5","1") = "6"
    & skf21("7","7","5","5","2","3","6","1") = "6"
    & skf21("7","7","5","5","2","3","7","1") = "6"
    & skf21("7","7","5","5","2","4","1","1") = "6"
    & skf21("7","7","5","5","2","4","2","1") = "6"
    & skf21("7","7","5","5","2","4","3","1") = "6"
    & skf21("7","7","5","5","2","4","4","1") = "6"
    & skf21("7","7","5","5","2","4","5","1") = "6"
    & skf21("7","7","5","5","2","4","6","1") = "6"
    & skf21("7","7","5","5","2","4","7","1") = "6"
    & skf21("7","7","5","5","2","5","1","1") = "6"
    & skf21("7","7","5","5","2","5","2","1") = "6"
    & skf21("7","7","5","5","2","5","3","1") = "6"
    & skf21("7","7","5","5","2","5","4","1") = "6"
    & skf21("7","7","5","5","2","5","5","1") = "6"
    & skf21("7","7","5","5","2","5","6","1") = "6"
    & skf21("7","7","5","5","2","5","7","1") = "6"
    & skf21("7","7","5","5","2","6","1","1") = "6"
    & skf21("7","7","5","5","2","6","2","1") = "6"
    & skf21("7","7","5","5","2","6","3","1") = "6"
    & skf21("7","7","5","5","2","6","4","1") = "6"
    & skf21("7","7","5","5","2","6","5","1") = "6"
    & skf21("7","7","5","5","2","6","6","1") = "6"
    & skf21("7","7","5","5","2","6","7","1") = "6"
    & skf21("7","7","5","5","2","7","1","1") = "6"
    & skf21("7","7","5","5","2","7","2","1") = "6"
    & skf21("7","7","5","5","2","7","3","1") = "6"
    & skf21("7","7","5","5","2","7","4","1") = "6"
    & skf21("7","7","5","5","2","7","5","1") = "6"
    & skf21("7","7","5","5","2","7","6","1") = "6"
    & skf21("7","7","5","5","2","7","7","1") = "6"
    & skf21("7","7","5","5","3","1","1","1") = "6"
    & skf21("7","7","5","5","3","1","2","1") = "6"
    & skf21("7","7","5","5","3","1","3","1") = "6"
    & skf21("7","7","5","5","3","1","4","1") = "6"
    & skf21("7","7","5","5","3","1","5","1") = "6"
    & skf21("7","7","5","5","3","1","6","1") = "6"
    & skf21("7","7","5","5","3","1","7","1") = "6"
    & skf21("7","7","5","5","3","2","1","1") = "6"
    & skf21("7","7","5","5","3","2","2","1") = "6"
    & skf21("7","7","5","5","3","2","3","1") = "6"
    & skf21("7","7","5","5","3","2","4","1") = "6"
    & skf21("7","7","5","5","3","2","5","1") = "6"
    & skf21("7","7","5","5","3","2","6","1") = "6"
    & skf21("7","7","5","5","3","2","7","1") = "6"
    & skf21("7","7","5","5","3","3","1","1") = "6"
    & skf21("7","7","5","5","3","3","2","1") = "6"
    & skf21("7","7","5","5","3","3","3","1") = "6"
    & skf21("7","7","5","5","3","3","4","1") = "6"
    & skf21("7","7","5","5","3","3","5","1") = "6"
    & skf21("7","7","5","5","3","3","6","1") = "6"
    & skf21("7","7","5","5","3","3","7","1") = "6"
    & skf21("7","7","5","5","3","4","1","1") = "6"
    & skf21("7","7","5","5","3","4","2","1") = "6"
    & skf21("7","7","5","5","3","4","3","1") = "6"
    & skf21("7","7","5","5","3","4","4","1") = "6"
    & skf21("7","7","5","5","3","4","5","1") = "6"
    & skf21("7","7","5","5","3","4","6","1") = "6"
    & skf21("7","7","5","5","3","4","7","1") = "6"
    & skf21("7","7","5","5","3","5","1","1") = "6"
    & skf21("7","7","5","5","3","5","2","1") = "6"
    & skf21("7","7","5","5","3","5","3","1") = "6"
    & skf21("7","7","5","5","3","5","4","1") = "6"
    & skf21("7","7","5","5","3","5","5","1") = "6"
    & skf21("7","7","5","5","3","5","6","1") = "6"
    & skf21("7","7","5","5","3","5","7","1") = "6"
    & skf21("7","7","5","5","3","6","1","1") = "6"
    & skf21("7","7","5","5","3","6","2","1") = "6"
    & skf21("7","7","5","5","3","6","3","1") = "6"
    & skf21("7","7","5","5","3","6","4","1") = "6"
    & skf21("7","7","5","5","3","6","5","1") = "6"
    & skf21("7","7","5","5","3","6","6","1") = "6"
    & skf21("7","7","5","5","3","6","7","1") = "6"
    & skf21("7","7","5","5","3","7","1","1") = "6"
    & skf21("7","7","5","5","3","7","2","1") = "6"
    & skf21("7","7","5","5","3","7","3","1") = "6"
    & skf21("7","7","5","5","3","7","4","1") = "6"
    & skf21("7","7","5","5","3","7","5","1") = "6"
    & skf21("7","7","5","5","3","7","6","1") = "6"
    & skf21("7","7","5","5","3","7","7","1") = "6"
    & skf21("7","7","5","5","4","1","1","1") = "6"
    & skf21("7","7","5","5","4","1","2","1") = "6"
    & skf21("7","7","5","5","4","1","3","1") = "6"
    & skf21("7","7","5","5","4","1","4","1") = "6"
    & skf21("7","7","5","5","4","1","5","1") = "6"
    & skf21("7","7","5","5","4","1","6","1") = "6"
    & skf21("7","7","5","5","4","1","7","1") = "6"
    & skf21("7","7","5","5","4","2","1","1") = "6"
    & skf21("7","7","5","5","4","2","2","1") = "6"
    & skf21("7","7","5","5","4","2","3","1") = "6"
    & skf21("7","7","5","5","4","2","4","1") = "6"
    & skf21("7","7","5","5","4","2","5","1") = "6"
    & skf21("7","7","5","5","4","2","6","1") = "6"
    & skf21("7","7","5","5","4","2","7","1") = "6"
    & skf21("7","7","5","5","4","3","1","1") = "6"
    & skf21("7","7","5","5","4","3","2","1") = "6"
    & skf21("7","7","5","5","4","3","3","1") = "6"
    & skf21("7","7","5","5","4","3","4","1") = "6"
    & skf21("7","7","5","5","4","3","5","1") = "6"
    & skf21("7","7","5","5","4","3","6","1") = "6"
    & skf21("7","7","5","5","4","3","7","1") = "6"
    & skf21("7","7","5","5","4","4","1","1") = "6"
    & skf21("7","7","5","5","4","4","2","1") = "6"
    & skf21("7","7","5","5","4","4","3","1") = "6"
    & skf21("7","7","5","5","4","4","4","1") = "6"
    & skf21("7","7","5","5","4","4","5","1") = "6"
    & skf21("7","7","5","5","4","4","6","1") = "6"
    & skf21("7","7","5","5","4","4","7","1") = "6"
    & skf21("7","7","5","5","4","5","1","1") = "6"
    & skf21("7","7","5","5","4","5","2","1") = "6"
    & skf21("7","7","5","5","4","5","3","1") = "6"
    & skf21("7","7","5","5","4","5","4","1") = "6"
    & skf21("7","7","5","5","4","5","5","1") = "6"
    & skf21("7","7","5","5","4","5","6","1") = "6"
    & skf21("7","7","5","5","4","5","7","1") = "6"
    & skf21("7","7","5","5","4","6","1","1") = "6"
    & skf21("7","7","5","5","4","6","2","1") = "6"
    & skf21("7","7","5","5","4","6","3","1") = "6"
    & skf21("7","7","5","5","4","6","4","1") = "6"
    & skf21("7","7","5","5","4","6","5","1") = "6"
    & skf21("7","7","5","5","4","6","6","1") = "6"
    & skf21("7","7","5","5","4","6","7","1") = "6"
    & skf21("7","7","5","5","4","7","1","1") = "6"
    & skf21("7","7","5","5","4","7","2","1") = "6"
    & skf21("7","7","5","5","4","7","3","1") = "6"
    & skf21("7","7","5","5","4","7","4","1") = "6"
    & skf21("7","7","5","5","4","7","5","1") = "6"
    & skf21("7","7","5","5","4","7","6","1") = "6"
    & skf21("7","7","5","5","4","7","7","1") = "6"
    & skf21("7","7","5","5","5","1","1","1") = "6"
    & skf21("7","7","5","5","5","1","2","1") = "6"
    & skf21("7","7","5","5","5","1","3","1") = "6"
    & skf21("7","7","5","5","5","1","4","1") = "6"
    & skf21("7","7","5","5","5","1","5","1") = "6"
    & skf21("7","7","5","5","5","1","6","1") = "6"
    & skf21("7","7","5","5","5","1","7","1") = "6"
    & skf21("7","7","5","5","5","2","1","1") = "6"
    & skf21("7","7","5","5","5","2","2","1") = "6"
    & skf21("7","7","5","5","5","2","3","1") = "6"
    & skf21("7","7","5","5","5","2","4","1") = "6"
    & skf21("7","7","5","5","5","2","5","1") = "6"
    & skf21("7","7","5","5","5","2","6","1") = "6"
    & skf21("7","7","5","5","5","2","7","1") = "6"
    & skf21("7","7","5","5","5","3","1","1") = "6"
    & skf21("7","7","5","5","5","3","2","1") = "6"
    & skf21("7","7","5","5","5","3","3","1") = "6"
    & skf21("7","7","5","5","5","3","4","1") = "6"
    & skf21("7","7","5","5","5","3","5","1") = "6"
    & skf21("7","7","5","5","5","3","6","1") = "6"
    & skf21("7","7","5","5","5","3","7","1") = "6"
    & skf21("7","7","5","5","5","4","1","1") = "6"
    & skf21("7","7","5","5","5","4","2","1") = "6"
    & skf21("7","7","5","5","5","4","3","1") = "6"
    & skf21("7","7","5","5","5","4","4","1") = "6"
    & skf21("7","7","5","5","5","4","5","1") = "6"
    & skf21("7","7","5","5","5","4","6","1") = "6"
    & skf21("7","7","5","5","5","4","7","1") = "6"
    & skf21("7","7","5","5","5","5","1","1") = "6"
    & skf21("7","7","5","5","5","5","2","1") = "6"
    & skf21("7","7","5","5","5","5","3","1") = "6"
    & skf21("7","7","5","5","5","5","4","1") = "6"
    & skf21("7","7","5","5","5","5","5","1") = "6"
    & skf21("7","7","5","5","5","5","6","1") = "6"
    & skf21("7","7","5","5","5","5","7","1") = "6"
    & skf21("7","7","5","5","5","6","1","1") = "6"
    & skf21("7","7","5","5","5","6","2","1") = "6"
    & skf21("7","7","5","5","5","6","3","1") = "6"
    & skf21("7","7","5","5","5","6","4","1") = "6"
    & skf21("7","7","5","5","5","6","5","1") = "6"
    & skf21("7","7","5","5","5","6","6","1") = "6"
    & skf21("7","7","5","5","5","6","7","1") = "6"
    & skf21("7","7","5","5","5","7","1","1") = "6"
    & skf21("7","7","5","5","5","7","2","1") = "6"
    & skf21("7","7","5","5","5","7","3","1") = "6"
    & skf21("7","7","5","5","5","7","4","1") = "6"
    & skf21("7","7","5","5","5","7","5","1") = "6"
    & skf21("7","7","5","5","5","7","6","1") = "6"
    & skf21("7","7","5","5","5","7","7","1") = "6"
    & skf21("7","7","5","5","6","1","1","1") = "6"
    & skf21("7","7","5","5","6","1","2","1") = "6"
    & skf21("7","7","5","5","6","1","3","1") = "6"
    & skf21("7","7","5","5","6","1","4","1") = "6"
    & skf21("7","7","5","5","6","1","5","1") = "6"
    & skf21("7","7","5","5","6","1","6","1") = "6"
    & skf21("7","7","5","5","6","1","7","1") = "6"
    & skf21("7","7","5","5","6","2","1","1") = "6"
    & skf21("7","7","5","5","6","2","2","1") = "6"
    & skf21("7","7","5","5","6","2","3","1") = "6"
    & skf21("7","7","5","5","6","2","4","1") = "6"
    & skf21("7","7","5","5","6","2","5","1") = "6"
    & skf21("7","7","5","5","6","2","6","1") = "6"
    & skf21("7","7","5","5","6","2","7","1") = "6"
    & skf21("7","7","5","5","6","3","1","1") = "6"
    & skf21("7","7","5","5","6","3","2","1") = "6"
    & skf21("7","7","5","5","6","3","3","1") = "6"
    & skf21("7","7","5","5","6","3","4","1") = "6"
    & skf21("7","7","5","5","6","3","5","1") = "6"
    & skf21("7","7","5","5","6","3","6","1") = "6"
    & skf21("7","7","5","5","6","3","7","1") = "6"
    & skf21("7","7","5","5","6","4","1","1") = "6"
    & skf21("7","7","5","5","6","4","2","1") = "6"
    & skf21("7","7","5","5","6","4","3","1") = "6"
    & skf21("7","7","5","5","6","4","4","1") = "6"
    & skf21("7","7","5","5","6","4","5","1") = "6"
    & skf21("7","7","5","5","6","4","6","1") = "6"
    & skf21("7","7","5","5","6","4","7","1") = "6"
    & skf21("7","7","5","5","6","5","1","1") = "6"
    & skf21("7","7","5","5","6","5","2","1") = "6"
    & skf21("7","7","5","5","6","5","3","1") = "6"
    & skf21("7","7","5","5","6","5","4","1") = "6"
    & skf21("7","7","5","5","6","5","5","1") = "6"
    & skf21("7","7","5","5","6","5","6","1") = "6"
    & skf21("7","7","5","5","6","5","7","1") = "6"
    & skf21("7","7","5","5","6","6","1","1") = "6"
    & skf21("7","7","5","5","6","6","2","1") = "6"
    & skf21("7","7","5","5","6","6","3","1") = "6"
    & skf21("7","7","5","5","6","6","4","1") = "6"
    & skf21("7","7","5","5","6","6","5","1") = "6"
    & skf21("7","7","5","5","6","6","6","1") = "6"
    & skf21("7","7","5","5","6","6","7","1") = "6"
    & skf21("7","7","5","5","6","7","1","1") = "6"
    & skf21("7","7","5","5","6","7","2","1") = "6"
    & skf21("7","7","5","5","6","7","3","1") = "6"
    & skf21("7","7","5","5","6","7","4","1") = "6"
    & skf21("7","7","5","5","6","7","5","1") = "6"
    & skf21("7","7","5","5","6","7","6","1") = "6"
    & skf21("7","7","5","5","6","7","7","1") = "6"
    & skf21("7","7","5","5","7","1","1","1") = "6"
    & skf21("7","7","5","5","7","1","2","1") = "6"
    & skf21("7","7","5","5","7","1","3","1") = "6"
    & skf21("7","7","5","5","7","1","4","1") = "6"
    & skf21("7","7","5","5","7","1","5","1") = "6"
    & skf21("7","7","5","5","7","1","6","1") = "6"
    & skf21("7","7","5","5","7","1","7","1") = "6"
    & skf21("7","7","5","5","7","2","1","1") = "6"
    & skf21("7","7","5","5","7","2","2","1") = "6"
    & skf21("7","7","5","5","7","2","3","1") = "6"
    & skf21("7","7","5","5","7","2","4","1") = "6"
    & skf21("7","7","5","5","7","2","5","1") = "6"
    & skf21("7","7","5","5","7","2","6","1") = "6"
    & skf21("7","7","5","5","7","2","7","1") = "6"
    & skf21("7","7","5","5","7","3","1","1") = "6"
    & skf21("7","7","5","5","7","3","2","1") = "6"
    & skf21("7","7","5","5","7","3","3","1") = "6"
    & skf21("7","7","5","5","7","3","4","1") = "6"
    & skf21("7","7","5","5","7","3","5","1") = "6"
    & skf21("7","7","5","5","7","3","6","1") = "6"
    & skf21("7","7","5","5","7","3","7","1") = "6"
    & skf21("7","7","5","5","7","4","1","1") = "6"
    & skf21("7","7","5","5","7","4","2","1") = "6"
    & skf21("7","7","5","5","7","4","3","1") = "6"
    & skf21("7","7","5","5","7","4","4","1") = "6"
    & skf21("7","7","5","5","7","4","5","1") = "6"
    & skf21("7","7","5","5","7","4","6","1") = "6"
    & skf21("7","7","5","5","7","4","7","1") = "6"
    & skf21("7","7","5","5","7","5","1","1") = "6"
    & skf21("7","7","5","5","7","5","2","1") = "6"
    & skf21("7","7","5","5","7","5","3","1") = "6"
    & skf21("7","7","5","5","7","5","4","1") = "6"
    & skf21("7","7","5","5","7","5","5","1") = "6"
    & skf21("7","7","5","5","7","5","6","1") = "6"
    & skf21("7","7","5","5","7","5","7","1") = "6"
    & skf21("7","7","5","5","7","6","1","1") = "6"
    & skf21("7","7","5","5","7","6","2","1") = "6"
    & skf21("7","7","5","5","7","6","3","1") = "6"
    & skf21("7","7","5","5","7","6","4","1") = "6"
    & skf21("7","7","5","5","7","6","5","1") = "6"
    & skf21("7","7","5","5","7","6","6","1") = "6"
    & skf21("7","7","5","5","7","6","7","1") = "6"
    & skf21("7","7","5","5","7","7","1","1") = "6"
    & skf21("7","7","5","5","7","7","2","1") = "6"
    & skf21("7","7","5","5","7","7","3","1") = "6"
    & skf21("7","7","5","5","7","7","4","1") = "6"
    & skf21("7","7","5","5","7","7","5","1") = "6"
    & skf21("7","7","5","5","7","7","6","1") = "6"
    & skf21("7","7","5","5","7","7","7","1") = "6"
    & skf21("7","7","5","6","1","1","1","1") = "6"
    & skf21("7","7","5","6","1","1","2","1") = "6"
    & skf21("7","7","5","6","1","1","3","1") = "6"
    & skf21("7","7","5","6","1","1","4","1") = "6"
    & skf21("7","7","5","6","1","1","5","1") = "6"
    & skf21("7","7","5","6","1","1","6","1") = "6"
    & skf21("7","7","5","6","1","1","7","1") = "6"
    & skf21("7","7","5","6","1","2","1","1") = "6"
    & skf21("7","7","5","6","1","2","2","1") = "6"
    & skf21("7","7","5","6","1","2","3","1") = "6"
    & skf21("7","7","5","6","1","2","4","1") = "6"
    & skf21("7","7","5","6","1","2","5","1") = "6"
    & skf21("7","7","5","6","1","2","6","1") = "6"
    & skf21("7","7","5","6","1","2","7","1") = "6"
    & skf21("7","7","5","6","1","3","1","1") = "6"
    & skf21("7","7","5","6","1","3","2","1") = "6"
    & skf21("7","7","5","6","1","3","3","1") = "6"
    & skf21("7","7","5","6","1","3","4","1") = "6"
    & skf21("7","7","5","6","1","3","5","1") = "6"
    & skf21("7","7","5","6","1","3","6","1") = "6"
    & skf21("7","7","5","6","1","3","7","1") = "6"
    & skf21("7","7","5","6","1","4","1","1") = "6"
    & skf21("7","7","5","6","1","4","2","1") = "6"
    & skf21("7","7","5","6","1","4","3","1") = "6"
    & skf21("7","7","5","6","1","4","4","1") = "6"
    & skf21("7","7","5","6","1","4","5","1") = "6"
    & skf21("7","7","5","6","1","4","6","1") = "6"
    & skf21("7","7","5","6","1","4","7","1") = "6"
    & skf21("7","7","5","6","1","5","1","1") = "6"
    & skf21("7","7","5","6","1","5","2","1") = "6"
    & skf21("7","7","5","6","1","5","3","1") = "6"
    & skf21("7","7","5","6","1","5","4","1") = "6"
    & skf21("7","7","5","6","1","5","5","1") = "6"
    & skf21("7","7","5","6","1","5","6","1") = "6"
    & skf21("7","7","5","6","1","5","7","1") = "6"
    & skf21("7","7","5","6","1","6","1","1") = "6"
    & skf21("7","7","5","6","1","6","2","1") = "6"
    & skf21("7","7","5","6","1","6","3","1") = "6"
    & skf21("7","7","5","6","1","6","4","1") = "6"
    & skf21("7","7","5","6","1","6","5","1") = "6"
    & skf21("7","7","5","6","1","6","6","1") = "6"
    & skf21("7","7","5","6","1","6","7","1") = "6"
    & skf21("7","7","5","6","1","7","1","1") = "6"
    & skf21("7","7","5","6","1","7","2","1") = "6"
    & skf21("7","7","5","6","1","7","3","1") = "6"
    & skf21("7","7","5","6","1","7","4","1") = "6"
    & skf21("7","7","5","6","1","7","5","1") = "6"
    & skf21("7","7","5","6","1","7","6","1") = "6"
    & skf21("7","7","5","6","1","7","7","1") = "6"
    & skf21("7","7","5","6","2","1","1","1") = "6"
    & skf21("7","7","5","6","2","1","2","1") = "6"
    & skf21("7","7","5","6","2","1","3","1") = "6"
    & skf21("7","7","5","6","2","1","4","1") = "6"
    & skf21("7","7","5","6","2","1","5","1") = "6"
    & skf21("7","7","5","6","2","1","6","1") = "6"
    & skf21("7","7","5","6","2","1","7","1") = "6"
    & skf21("7","7","5","6","2","2","1","1") = "6"
    & skf21("7","7","5","6","2","2","2","1") = "6"
    & skf21("7","7","5","6","2","2","3","1") = "6"
    & skf21("7","7","5","6","2","2","4","1") = "6"
    & skf21("7","7","5","6","2","2","5","1") = "6"
    & skf21("7","7","5","6","2","2","6","1") = "6"
    & skf21("7","7","5","6","2","2","7","1") = "6"
    & skf21("7","7","5","6","2","3","1","1") = "6"
    & skf21("7","7","5","6","2","3","2","1") = "6"
    & skf21("7","7","5","6","2","3","3","1") = "6"
    & skf21("7","7","5","6","2","3","4","1") = "6"
    & skf21("7","7","5","6","2","3","5","1") = "6"
    & skf21("7","7","5","6","2","3","6","1") = "6"
    & skf21("7","7","5","6","2","3","7","1") = "6"
    & skf21("7","7","5","6","2","4","1","1") = "6"
    & skf21("7","7","5","6","2","4","2","1") = "6"
    & skf21("7","7","5","6","2","4","3","1") = "6"
    & skf21("7","7","5","6","2","4","4","1") = "6"
    & skf21("7","7","5","6","2","4","5","1") = "6"
    & skf21("7","7","5","6","2","4","6","1") = "6"
    & skf21("7","7","5","6","2","4","7","1") = "6"
    & skf21("7","7","5","6","2","5","1","1") = "6"
    & skf21("7","7","5","6","2","5","2","1") = "6"
    & skf21("7","7","5","6","2","5","3","1") = "6"
    & skf21("7","7","5","6","2","5","4","1") = "6"
    & skf21("7","7","5","6","2","5","5","1") = "6"
    & skf21("7","7","5","6","2","5","6","1") = "6"
    & skf21("7","7","5","6","2","5","7","1") = "6"
    & skf21("7","7","5","6","2","6","1","1") = "6"
    & skf21("7","7","5","6","2","6","2","1") = "6"
    & skf21("7","7","5","6","2","6","3","1") = "6"
    & skf21("7","7","5","6","2","6","4","1") = "6"
    & skf21("7","7","5","6","2","6","5","1") = "6"
    & skf21("7","7","5","6","2","6","6","1") = "6"
    & skf21("7","7","5","6","2","6","7","1") = "6"
    & skf21("7","7","5","6","2","7","1","1") = "6"
    & skf21("7","7","5","6","2","7","2","1") = "6"
    & skf21("7","7","5","6","2","7","3","1") = "6"
    & skf21("7","7","5","6","2","7","4","1") = "6"
    & skf21("7","7","5","6","2","7","5","1") = "6"
    & skf21("7","7","5","6","2","7","6","1") = "6"
    & skf21("7","7","5","6","2","7","7","1") = "6"
    & skf21("7","7","5","6","3","1","1","1") = "6"
    & skf21("7","7","5","6","3","1","2","1") = "6"
    & skf21("7","7","5","6","3","1","3","1") = "6"
    & skf21("7","7","5","6","3","1","4","1") = "6"
    & skf21("7","7","5","6","3","1","5","1") = "6"
    & skf21("7","7","5","6","3","1","6","1") = "6"
    & skf21("7","7","5","6","3","1","7","1") = "6"
    & skf21("7","7","5","6","3","2","1","1") = "6"
    & skf21("7","7","5","6","3","2","2","1") = "6"
    & skf21("7","7","5","6","3","2","3","1") = "6"
    & skf21("7","7","5","6","3","2","4","1") = "6"
    & skf21("7","7","5","6","3","2","5","1") = "6"
    & skf21("7","7","5","6","3","2","6","1") = "6"
    & skf21("7","7","5","6","3","2","7","1") = "6"
    & skf21("7","7","5","6","3","3","1","1") = "6"
    & skf21("7","7","5","6","3","3","2","1") = "6"
    & skf21("7","7","5","6","3","3","3","1") = "6"
    & skf21("7","7","5","6","3","3","4","1") = "6"
    & skf21("7","7","5","6","3","3","5","1") = "6"
    & skf21("7","7","5","6","3","3","6","1") = "6"
    & skf21("7","7","5","6","3","3","7","1") = "6"
    & skf21("7","7","5","6","3","4","1","1") = "6"
    & skf21("7","7","5","6","3","4","2","1") = "6"
    & skf21("7","7","5","6","3","4","3","1") = "6"
    & skf21("7","7","5","6","3","4","4","1") = "6"
    & skf21("7","7","5","6","3","4","5","1") = "6"
    & skf21("7","7","5","6","3","4","6","1") = "6"
    & skf21("7","7","5","6","3","4","7","1") = "6"
    & skf21("7","7","5","6","3","5","1","1") = "6"
    & skf21("7","7","5","6","3","5","2","1") = "6"
    & skf21("7","7","5","6","3","5","3","1") = "6"
    & skf21("7","7","5","6","3","5","4","1") = "6"
    & skf21("7","7","5","6","3","5","5","1") = "6"
    & skf21("7","7","5","6","3","5","6","1") = "6"
    & skf21("7","7","5","6","3","5","7","1") = "6"
    & skf21("7","7","5","6","3","6","1","1") = "6"
    & skf21("7","7","5","6","3","6","2","1") = "6"
    & skf21("7","7","5","6","3","6","3","1") = "6"
    & skf21("7","7","5","6","3","6","4","1") = "6"
    & skf21("7","7","5","6","3","6","5","1") = "6"
    & skf21("7","7","5","6","3","6","6","1") = "6"
    & skf21("7","7","5","6","3","6","7","1") = "6"
    & skf21("7","7","5","6","3","7","1","1") = "6"
    & skf21("7","7","5","6","3","7","2","1") = "6"
    & skf21("7","7","5","6","3","7","3","1") = "6"
    & skf21("7","7","5","6","3","7","4","1") = "6"
    & skf21("7","7","5","6","3","7","5","1") = "6"
    & skf21("7","7","5","6","3","7","6","1") = "6"
    & skf21("7","7","5","6","3","7","7","1") = "6"
    & skf21("7","7","5","6","4","1","1","1") = "6"
    & skf21("7","7","5","6","4","1","2","1") = "6"
    & skf21("7","7","5","6","4","1","3","1") = "6"
    & skf21("7","7","5","6","4","1","4","1") = "6"
    & skf21("7","7","5","6","4","1","5","1") = "6"
    & skf21("7","7","5","6","4","1","6","1") = "6"
    & skf21("7","7","5","6","4","1","7","1") = "6"
    & skf21("7","7","5","6","4","2","1","1") = "6"
    & skf21("7","7","5","6","4","2","2","1") = "6"
    & skf21("7","7","5","6","4","2","3","1") = "6"
    & skf21("7","7","5","6","4","2","4","1") = "6"
    & skf21("7","7","5","6","4","2","5","1") = "6"
    & skf21("7","7","5","6","4","2","6","1") = "6"
    & skf21("7","7","5","6","4","2","7","1") = "6"
    & skf21("7","7","5","6","4","3","1","1") = "6"
    & skf21("7","7","5","6","4","3","2","1") = "6"
    & skf21("7","7","5","6","4","3","3","1") = "6"
    & skf21("7","7","5","6","4","3","4","1") = "6"
    & skf21("7","7","5","6","4","3","5","1") = "6"
    & skf21("7","7","5","6","4","3","6","1") = "6"
    & skf21("7","7","5","6","4","3","7","1") = "6"
    & skf21("7","7","5","6","4","4","1","1") = "6"
    & skf21("7","7","5","6","4","4","2","1") = "6"
    & skf21("7","7","5","6","4","4","3","1") = "6"
    & skf21("7","7","5","6","4","4","4","1") = "6"
    & skf21("7","7","5","6","4","4","5","1") = "6"
    & skf21("7","7","5","6","4","4","6","1") = "6"
    & skf21("7","7","5","6","4","4","7","1") = "6"
    & skf21("7","7","5","6","4","5","1","1") = "6"
    & skf21("7","7","5","6","4","5","2","1") = "6"
    & skf21("7","7","5","6","4","5","3","1") = "6"
    & skf21("7","7","5","6","4","5","4","1") = "6"
    & skf21("7","7","5","6","4","5","5","1") = "6"
    & skf21("7","7","5","6","4","5","6","1") = "6"
    & skf21("7","7","5","6","4","5","7","1") = "6"
    & skf21("7","7","5","6","4","6","1","1") = "6"
    & skf21("7","7","5","6","4","6","2","1") = "6"
    & skf21("7","7","5","6","4","6","3","1") = "6"
    & skf21("7","7","5","6","4","6","4","1") = "6"
    & skf21("7","7","5","6","4","6","5","1") = "6"
    & skf21("7","7","5","6","4","6","6","1") = "6"
    & skf21("7","7","5","6","4","6","7","1") = "6"
    & skf21("7","7","5","6","4","7","1","1") = "6"
    & skf21("7","7","5","6","4","7","2","1") = "6"
    & skf21("7","7","5","6","4","7","3","1") = "6"
    & skf21("7","7","5","6","4","7","4","1") = "6"
    & skf21("7","7","5","6","4","7","5","1") = "6"
    & skf21("7","7","5","6","4","7","6","1") = "6"
    & skf21("7","7","5","6","4","7","7","1") = "6"
    & skf21("7","7","5","6","5","1","1","1") = "6"
    & skf21("7","7","5","6","5","1","2","1") = "6"
    & skf21("7","7","5","6","5","1","3","1") = "6"
    & skf21("7","7","5","6","5","1","4","1") = "6"
    & skf21("7","7","5","6","5","1","5","1") = "6"
    & skf21("7","7","5","6","5","1","6","1") = "6"
    & skf21("7","7","5","6","5","1","7","1") = "6"
    & skf21("7","7","5","6","5","2","1","1") = "6"
    & skf21("7","7","5","6","5","2","2","1") = "6"
    & skf21("7","7","5","6","5","2","3","1") = "6"
    & skf21("7","7","5","6","5","2","4","1") = "6"
    & skf21("7","7","5","6","5","2","5","1") = "6"
    & skf21("7","7","5","6","5","2","6","1") = "6"
    & skf21("7","7","5","6","5","2","7","1") = "6"
    & skf21("7","7","5","6","5","3","1","1") = "6"
    & skf21("7","7","5","6","5","3","2","1") = "6"
    & skf21("7","7","5","6","5","3","3","1") = "6"
    & skf21("7","7","5","6","5","3","4","1") = "6"
    & skf21("7","7","5","6","5","3","5","1") = "6"
    & skf21("7","7","5","6","5","3","6","1") = "6"
    & skf21("7","7","5","6","5","3","7","1") = "6"
    & skf21("7","7","5","6","5","4","1","1") = "6"
    & skf21("7","7","5","6","5","4","2","1") = "6"
    & skf21("7","7","5","6","5","4","3","1") = "6"
    & skf21("7","7","5","6","5","4","4","1") = "6"
    & skf21("7","7","5","6","5","4","5","1") = "6"
    & skf21("7","7","5","6","5","4","6","1") = "6"
    & skf21("7","7","5","6","5","4","7","1") = "6"
    & skf21("7","7","5","6","5","5","1","1") = "6"
    & skf21("7","7","5","6","5","5","2","1") = "6"
    & skf21("7","7","5","6","5","5","3","1") = "6"
    & skf21("7","7","5","6","5","5","4","1") = "6"
    & skf21("7","7","5","6","5","5","5","1") = "6"
    & skf21("7","7","5","6","5","5","6","1") = "6"
    & skf21("7","7","5","6","5","5","7","1") = "6"
    & skf21("7","7","5","6","5","6","1","1") = "6"
    & skf21("7","7","5","6","5","6","2","1") = "6"
    & skf21("7","7","5","6","5","6","3","1") = "6"
    & skf21("7","7","5","6","5","6","4","1") = "6"
    & skf21("7","7","5","6","5","6","5","1") = "6"
    & skf21("7","7","5","6","5","6","6","1") = "6"
    & skf21("7","7","5","6","5","6","7","1") = "6"
    & skf21("7","7","5","6","5","7","1","1") = "6"
    & skf21("7","7","5","6","5","7","2","1") = "6"
    & skf21("7","7","5","6","5","7","3","1") = "6"
    & skf21("7","7","5","6","5","7","4","1") = "6"
    & skf21("7","7","5","6","5","7","5","1") = "6"
    & skf21("7","7","5","6","5","7","6","1") = "6"
    & skf21("7","7","5","6","5","7","7","1") = "6"
    & skf21("7","7","5","6","6","1","1","1") = "6"
    & skf21("7","7","5","6","6","1","2","1") = "6"
    & skf21("7","7","5","6","6","1","3","1") = "6"
    & skf21("7","7","5","6","6","1","4","1") = "6"
    & skf21("7","7","5","6","6","1","5","1") = "6"
    & skf21("7","7","5","6","6","1","6","1") = "6"
    & skf21("7","7","5","6","6","1","7","1") = "6"
    & skf21("7","7","5","6","6","2","1","1") = "6"
    & skf21("7","7","5","6","6","2","2","1") = "6"
    & skf21("7","7","5","6","6","2","3","1") = "6"
    & skf21("7","7","5","6","6","2","4","1") = "6"
    & skf21("7","7","5","6","6","2","5","1") = "6"
    & skf21("7","7","5","6","6","2","6","1") = "6"
    & skf21("7","7","5","6","6","2","7","1") = "6"
    & skf21("7","7","5","6","6","3","1","1") = "6"
    & skf21("7","7","5","6","6","3","2","1") = "6"
    & skf21("7","7","5","6","6","3","3","1") = "6"
    & skf21("7","7","5","6","6","3","4","1") = "6"
    & skf21("7","7","5","6","6","3","5","1") = "6"
    & skf21("7","7","5","6","6","3","6","1") = "6"
    & skf21("7","7","5","6","6","3","7","1") = "6"
    & skf21("7","7","5","6","6","4","1","1") = "6"
    & skf21("7","7","5","6","6","4","2","1") = "6"
    & skf21("7","7","5","6","6","4","3","1") = "6"
    & skf21("7","7","5","6","6","4","4","1") = "6"
    & skf21("7","7","5","6","6","4","5","1") = "6"
    & skf21("7","7","5","6","6","4","6","1") = "6"
    & skf21("7","7","5","6","6","4","7","1") = "6"
    & skf21("7","7","5","6","6","5","1","1") = "6"
    & skf21("7","7","5","6","6","5","2","1") = "6"
    & skf21("7","7","5","6","6","5","3","1") = "6"
    & skf21("7","7","5","6","6","5","4","1") = "6"
    & skf21("7","7","5","6","6","5","5","1") = "6"
    & skf21("7","7","5","6","6","5","6","1") = "6"
    & skf21("7","7","5","6","6","5","7","1") = "6"
    & skf21("7","7","5","6","6","6","1","1") = "6"
    & skf21("7","7","5","6","6","6","2","1") = "6"
    & skf21("7","7","5","6","6","6","3","1") = "6"
    & skf21("7","7","5","6","6","6","4","1") = "6"
    & skf21("7","7","5","6","6","6","5","1") = "6"
    & skf21("7","7","5","6","6","6","6","1") = "6"
    & skf21("7","7","5","6","6","6","7","1") = "6"
    & skf21("7","7","5","6","6","7","1","1") = "6"
    & skf21("7","7","5","6","6","7","2","1") = "6"
    & skf21("7","7","5","6","6","7","3","1") = "6"
    & skf21("7","7","5","6","6","7","4","1") = "6"
    & skf21("7","7","5","6","6","7","5","1") = "6"
    & skf21("7","7","5","6","6","7","6","1") = "6"
    & skf21("7","7","5","6","6","7","7","1") = "6"
    & skf21("7","7","5","6","7","1","1","1") = "6"
    & skf21("7","7","5","6","7","1","2","1") = "6"
    & skf21("7","7","5","6","7","1","3","1") = "6"
    & skf21("7","7","5","6","7","1","4","1") = "6"
    & skf21("7","7","5","6","7","1","5","1") = "6"
    & skf21("7","7","5","6","7","1","6","1") = "6"
    & skf21("7","7","5","6","7","1","7","1") = "6"
    & skf21("7","7","5","6","7","2","1","1") = "6"
    & skf21("7","7","5","6","7","2","2","1") = "6"
    & skf21("7","7","5","6","7","2","3","1") = "6"
    & skf21("7","7","5","6","7","2","4","1") = "6"
    & skf21("7","7","5","6","7","2","5","1") = "6"
    & skf21("7","7","5","6","7","2","6","1") = "6"
    & skf21("7","7","5","6","7","2","7","1") = "6"
    & skf21("7","7","5","6","7","3","1","1") = "6"
    & skf21("7","7","5","6","7","3","2","1") = "6"
    & skf21("7","7","5","6","7","3","3","1") = "6"
    & skf21("7","7","5","6","7","3","4","1") = "6"
    & skf21("7","7","5","6","7","3","5","1") = "6"
    & skf21("7","7","5","6","7","3","6","1") = "6"
    & skf21("7","7","5","6","7","3","7","1") = "6"
    & skf21("7","7","5","6","7","4","1","1") = "6"
    & skf21("7","7","5","6","7","4","2","1") = "6"
    & skf21("7","7","5","6","7","4","3","1") = "6"
    & skf21("7","7","5","6","7","4","4","1") = "6"
    & skf21("7","7","5","6","7","4","5","1") = "6"
    & skf21("7","7","5","6","7","4","6","1") = "6"
    & skf21("7","7","5","6","7","4","7","1") = "6"
    & skf21("7","7","5","6","7","5","1","1") = "6"
    & skf21("7","7","5","6","7","5","2","1") = "6"
    & skf21("7","7","5","6","7","5","3","1") = "6"
    & skf21("7","7","5","6","7","5","4","1") = "6"
    & skf21("7","7","5","6","7","5","5","1") = "6"
    & skf21("7","7","5","6","7","5","6","1") = "6"
    & skf21("7","7","5","6","7","5","7","1") = "6"
    & skf21("7","7","5","6","7","6","1","1") = "6"
    & skf21("7","7","5","6","7","6","2","1") = "6"
    & skf21("7","7","5","6","7","6","3","1") = "6"
    & skf21("7","7","5","6","7","6","4","1") = "6"
    & skf21("7","7","5","6","7","6","5","1") = "6"
    & skf21("7","7","5","6","7","6","6","1") = "6"
    & skf21("7","7","5","6","7","6","7","1") = "6"
    & skf21("7","7","5","6","7","7","1","1") = "6"
    & skf21("7","7","5","6","7","7","2","1") = "6"
    & skf21("7","7","5","6","7","7","3","1") = "6"
    & skf21("7","7","5","6","7","7","4","1") = "6"
    & skf21("7","7","5","6","7","7","5","1") = "6"
    & skf21("7","7","5","6","7","7","6","1") = "6"
    & skf21("7","7","5","6","7","7","7","1") = "6"
    & skf21("7","7","5","7","1","1","1","1") = "6"
    & skf21("7","7","5","7","1","1","2","1") = "6"
    & skf21("7","7","5","7","1","1","3","1") = "6"
    & skf21("7","7","5","7","1","1","4","1") = "6"
    & skf21("7","7","5","7","1","1","5","1") = "6"
    & skf21("7","7","5","7","1","1","6","1") = "6"
    & skf21("7","7","5","7","1","1","7","1") = "6"
    & skf21("7","7","5","7","1","2","1","1") = "6"
    & skf21("7","7","5","7","1","2","2","1") = "6"
    & skf21("7","7","5","7","1","2","3","1") = "6"
    & skf21("7","7","5","7","1","2","4","1") = "6"
    & skf21("7","7","5","7","1","2","5","1") = "6"
    & skf21("7","7","5","7","1","2","6","1") = "6"
    & skf21("7","7","5","7","1","2","7","1") = "6"
    & skf21("7","7","5","7","1","3","1","1") = "6"
    & skf21("7","7","5","7","1","3","2","1") = "6"
    & skf21("7","7","5","7","1","3","3","1") = "6"
    & skf21("7","7","5","7","1","3","4","1") = "6"
    & skf21("7","7","5","7","1","3","5","1") = "6"
    & skf21("7","7","5","7","1","3","6","1") = "6"
    & skf21("7","7","5","7","1","3","7","1") = "6"
    & skf21("7","7","5","7","1","4","1","1") = "6"
    & skf21("7","7","5","7","1","4","2","1") = "6"
    & skf21("7","7","5","7","1","4","3","1") = "6"
    & skf21("7","7","5","7","1","4","4","1") = "6"
    & skf21("7","7","5","7","1","4","5","1") = "6"
    & skf21("7","7","5","7","1","4","6","1") = "6"
    & skf21("7","7","5","7","1","4","7","1") = "6"
    & skf21("7","7","5","7","1","5","1","1") = "6"
    & skf21("7","7","5","7","1","5","2","1") = "6"
    & skf21("7","7","5","7","1","5","3","1") = "6"
    & skf21("7","7","5","7","1","5","4","1") = "6"
    & skf21("7","7","5","7","1","5","5","1") = "6"
    & skf21("7","7","5","7","1","5","6","1") = "6"
    & skf21("7","7","5","7","1","5","7","1") = "6"
    & skf21("7","7","5","7","1","6","1","1") = "6"
    & skf21("7","7","5","7","1","6","2","1") = "6"
    & skf21("7","7","5","7","1","6","3","1") = "6"
    & skf21("7","7","5","7","1","6","4","1") = "6"
    & skf21("7","7","5","7","1","6","5","1") = "6"
    & skf21("7","7","5","7","1","6","6","1") = "6"
    & skf21("7","7","5","7","1","6","7","1") = "6"
    & skf21("7","7","5","7","1","7","1","1") = "6"
    & skf21("7","7","5","7","1","7","2","1") = "6"
    & skf21("7","7","5","7","1","7","3","1") = "6"
    & skf21("7","7","5","7","1","7","4","1") = "6"
    & skf21("7","7","5","7","1","7","5","1") = "6"
    & skf21("7","7","5","7","1","7","6","1") = "6"
    & skf21("7","7","5","7","1","7","7","1") = "6"
    & skf21("7","7","5","7","2","1","1","1") = "6"
    & skf21("7","7","5","7","2","1","2","1") = "6"
    & skf21("7","7","5","7","2","1","3","1") = "6"
    & skf21("7","7","5","7","2","1","4","1") = "6"
    & skf21("7","7","5","7","2","1","5","1") = "6"
    & skf21("7","7","5","7","2","1","6","1") = "6"
    & skf21("7","7","5","7","2","1","7","1") = "6"
    & skf21("7","7","5","7","2","2","1","1") = "6"
    & skf21("7","7","5","7","2","2","2","1") = "6"
    & skf21("7","7","5","7","2","2","3","1") = "6"
    & skf21("7","7","5","7","2","2","4","1") = "6"
    & skf21("7","7","5","7","2","2","5","1") = "6"
    & skf21("7","7","5","7","2","2","6","1") = "6"
    & skf21("7","7","5","7","2","2","7","1") = "6"
    & skf21("7","7","5","7","2","3","1","1") = "6"
    & skf21("7","7","5","7","2","3","2","1") = "6"
    & skf21("7","7","5","7","2","3","3","1") = "6"
    & skf21("7","7","5","7","2","3","4","1") = "6"
    & skf21("7","7","5","7","2","3","5","1") = "6"
    & skf21("7","7","5","7","2","3","6","1") = "6"
    & skf21("7","7","5","7","2","3","7","1") = "6"
    & skf21("7","7","5","7","2","4","1","1") = "6"
    & skf21("7","7","5","7","2","4","2","1") = "6"
    & skf21("7","7","5","7","2","4","3","1") = "6"
    & skf21("7","7","5","7","2","4","4","1") = "6"
    & skf21("7","7","5","7","2","4","5","1") = "6"
    & skf21("7","7","5","7","2","4","6","1") = "6"
    & skf21("7","7","5","7","2","4","7","1") = "6"
    & skf21("7","7","5","7","2","5","1","1") = "6"
    & skf21("7","7","5","7","2","5","2","1") = "6"
    & skf21("7","7","5","7","2","5","3","1") = "6"
    & skf21("7","7","5","7","2","5","4","1") = "6"
    & skf21("7","7","5","7","2","5","5","1") = "6"
    & skf21("7","7","5","7","2","5","6","1") = "6"
    & skf21("7","7","5","7","2","5","7","1") = "6"
    & skf21("7","7","5","7","2","6","1","1") = "6"
    & skf21("7","7","5","7","2","6","2","1") = "6"
    & skf21("7","7","5","7","2","6","3","1") = "6"
    & skf21("7","7","5","7","2","6","4","1") = "6"
    & skf21("7","7","5","7","2","6","5","1") = "6"
    & skf21("7","7","5","7","2","6","6","1") = "6"
    & skf21("7","7","5","7","2","6","7","1") = "6"
    & skf21("7","7","5","7","2","7","1","1") = "6"
    & skf21("7","7","5","7","2","7","2","1") = "6"
    & skf21("7","7","5","7","2","7","3","1") = "6"
    & skf21("7","7","5","7","2","7","4","1") = "6"
    & skf21("7","7","5","7","2","7","5","1") = "6"
    & skf21("7","7","5","7","2","7","6","1") = "6"
    & skf21("7","7","5","7","2","7","7","1") = "6"
    & skf21("7","7","5","7","3","1","1","1") = "6"
    & skf21("7","7","5","7","3","1","2","1") = "6"
    & skf21("7","7","5","7","3","1","3","1") = "6"
    & skf21("7","7","5","7","3","1","4","1") = "6"
    & skf21("7","7","5","7","3","1","5","1") = "6"
    & skf21("7","7","5","7","3","1","6","1") = "6"
    & skf21("7","7","5","7","3","1","7","1") = "6"
    & skf21("7","7","5","7","3","2","1","1") = "6"
    & skf21("7","7","5","7","3","2","2","1") = "6"
    & skf21("7","7","5","7","3","2","3","1") = "6"
    & skf21("7","7","5","7","3","2","4","1") = "6"
    & skf21("7","7","5","7","3","2","5","1") = "6"
    & skf21("7","7","5","7","3","2","6","1") = "6"
    & skf21("7","7","5","7","3","2","7","1") = "6"
    & skf21("7","7","5","7","3","3","1","1") = "6"
    & skf21("7","7","5","7","3","3","2","1") = "6"
    & skf21("7","7","5","7","3","3","3","1") = "6"
    & skf21("7","7","5","7","3","3","4","1") = "6"
    & skf21("7","7","5","7","3","3","5","1") = "6"
    & skf21("7","7","5","7","3","3","6","1") = "6"
    & skf21("7","7","5","7","3","3","7","1") = "6"
    & skf21("7","7","5","7","3","4","1","1") = "6"
    & skf21("7","7","5","7","3","4","2","1") = "6"
    & skf21("7","7","5","7","3","4","3","1") = "6"
    & skf21("7","7","5","7","3","4","4","1") = "6"
    & skf21("7","7","5","7","3","4","5","1") = "6"
    & skf21("7","7","5","7","3","4","6","1") = "6"
    & skf21("7","7","5","7","3","4","7","1") = "6"
    & skf21("7","7","5","7","3","5","1","1") = "6"
    & skf21("7","7","5","7","3","5","2","1") = "6"
    & skf21("7","7","5","7","3","5","3","1") = "6"
    & skf21("7","7","5","7","3","5","4","1") = "6"
    & skf21("7","7","5","7","3","5","5","1") = "6"
    & skf21("7","7","5","7","3","5","6","1") = "6"
    & skf21("7","7","5","7","3","5","7","1") = "6"
    & skf21("7","7","5","7","3","6","1","1") = "6"
    & skf21("7","7","5","7","3","6","2","1") = "6"
    & skf21("7","7","5","7","3","6","3","1") = "6"
    & skf21("7","7","5","7","3","6","4","1") = "6"
    & skf21("7","7","5","7","3","6","5","1") = "6"
    & skf21("7","7","5","7","3","6","6","1") = "6"
    & skf21("7","7","5","7","3","6","7","1") = "6"
    & skf21("7","7","5","7","3","7","1","1") = "6"
    & skf21("7","7","5","7","3","7","2","1") = "6"
    & skf21("7","7","5","7","3","7","3","1") = "6"
    & skf21("7","7","5","7","3","7","4","1") = "6"
    & skf21("7","7","5","7","3","7","5","1") = "6"
    & skf21("7","7","5","7","3","7","6","1") = "6"
    & skf21("7","7","5","7","3","7","7","1") = "6"
    & skf21("7","7","5","7","4","1","1","1") = "6"
    & skf21("7","7","5","7","4","1","2","1") = "6"
    & skf21("7","7","5","7","4","1","3","1") = "6"
    & skf21("7","7","5","7","4","1","4","1") = "6"
    & skf21("7","7","5","7","4","1","5","1") = "6"
    & skf21("7","7","5","7","4","1","6","1") = "6"
    & skf21("7","7","5","7","4","1","7","1") = "6"
    & skf21("7","7","5","7","4","2","1","1") = "6"
    & skf21("7","7","5","7","4","2","2","1") = "6"
    & skf21("7","7","5","7","4","2","3","1") = "6"
    & skf21("7","7","5","7","4","2","4","1") = "6"
    & skf21("7","7","5","7","4","2","5","1") = "6"
    & skf21("7","7","5","7","4","2","6","1") = "6"
    & skf21("7","7","5","7","4","2","7","1") = "6"
    & skf21("7","7","5","7","4","3","1","1") = "6"
    & skf21("7","7","5","7","4","3","2","1") = "6"
    & skf21("7","7","5","7","4","3","3","1") = "6"
    & skf21("7","7","5","7","4","3","4","1") = "6"
    & skf21("7","7","5","7","4","3","5","1") = "6"
    & skf21("7","7","5","7","4","3","6","1") = "6"
    & skf21("7","7","5","7","4","3","7","1") = "6"
    & skf21("7","7","5","7","4","4","1","1") = "6"
    & skf21("7","7","5","7","4","4","2","1") = "6"
    & skf21("7","7","5","7","4","4","3","1") = "6"
    & skf21("7","7","5","7","4","4","4","1") = "6"
    & skf21("7","7","5","7","4","4","5","1") = "6"
    & skf21("7","7","5","7","4","4","6","1") = "6"
    & skf21("7","7","5","7","4","4","7","1") = "6"
    & skf21("7","7","5","7","4","5","1","1") = "6"
    & skf21("7","7","5","7","4","5","2","1") = "6"
    & skf21("7","7","5","7","4","5","3","1") = "6"
    & skf21("7","7","5","7","4","5","4","1") = "6"
    & skf21("7","7","5","7","4","5","5","1") = "6"
    & skf21("7","7","5","7","4","5","6","1") = "6"
    & skf21("7","7","5","7","4","5","7","1") = "6"
    & skf21("7","7","5","7","4","6","1","1") = "6"
    & skf21("7","7","5","7","4","6","2","1") = "6"
    & skf21("7","7","5","7","4","6","3","1") = "6"
    & skf21("7","7","5","7","4","6","4","1") = "6"
    & skf21("7","7","5","7","4","6","5","1") = "6"
    & skf21("7","7","5","7","4","6","6","1") = "6"
    & skf21("7","7","5","7","4","6","7","1") = "6"
    & skf21("7","7","5","7","4","7","1","1") = "6"
    & skf21("7","7","5","7","4","7","2","1") = "6"
    & skf21("7","7","5","7","4","7","3","1") = "6"
    & skf21("7","7","5","7","4","7","4","1") = "6"
    & skf21("7","7","5","7","4","7","5","1") = "6"
    & skf21("7","7","5","7","4","7","6","1") = "6"
    & skf21("7","7","5","7","4","7","7","1") = "6"
    & skf21("7","7","5","7","5","1","1","1") = "6"
    & skf21("7","7","5","7","5","1","2","1") = "6"
    & skf21("7","7","5","7","5","1","3","1") = "6"
    & skf21("7","7","5","7","5","1","4","1") = "6"
    & skf21("7","7","5","7","5","1","5","1") = "6"
    & skf21("7","7","5","7","5","1","6","1") = "6"
    & skf21("7","7","5","7","5","1","7","1") = "6"
    & skf21("7","7","5","7","5","2","1","1") = "6"
    & skf21("7","7","5","7","5","2","2","1") = "6"
    & skf21("7","7","5","7","5","2","3","1") = "6"
    & skf21("7","7","5","7","5","2","4","1") = "6"
    & skf21("7","7","5","7","5","2","5","1") = "6"
    & skf21("7","7","5","7","5","2","6","1") = "6"
    & skf21("7","7","5","7","5","2","7","1") = "6"
    & skf21("7","7","5","7","5","3","1","1") = "6"
    & skf21("7","7","5","7","5","3","2","1") = "6"
    & skf21("7","7","5","7","5","3","3","1") = "6"
    & skf21("7","7","5","7","5","3","4","1") = "6"
    & skf21("7","7","5","7","5","3","5","1") = "6"
    & skf21("7","7","5","7","5","3","6","1") = "6"
    & skf21("7","7","5","7","5","3","7","1") = "6"
    & skf21("7","7","5","7","5","4","1","1") = "6"
    & skf21("7","7","5","7","5","4","2","1") = "6"
    & skf21("7","7","5","7","5","4","3","1") = "6"
    & skf21("7","7","5","7","5","4","4","1") = "6"
    & skf21("7","7","5","7","5","4","5","1") = "6"
    & skf21("7","7","5","7","5","4","6","1") = "6"
    & skf21("7","7","5","7","5","4","7","1") = "6"
    & skf21("7","7","5","7","5","5","1","1") = "6"
    & skf21("7","7","5","7","5","5","2","1") = "6"
    & skf21("7","7","5","7","5","5","3","1") = "6"
    & skf21("7","7","5","7","5","5","4","1") = "6"
    & skf21("7","7","5","7","5","5","5","1") = "6"
    & skf21("7","7","5","7","5","5","6","1") = "6"
    & skf21("7","7","5","7","5","5","7","1") = "6"
    & skf21("7","7","5","7","5","6","1","1") = "6"
    & skf21("7","7","5","7","5","6","2","1") = "6"
    & skf21("7","7","5","7","5","6","3","1") = "6"
    & skf21("7","7","5","7","5","6","4","1") = "6"
    & skf21("7","7","5","7","5","6","5","1") = "6"
    & skf21("7","7","5","7","5","6","6","1") = "6"
    & skf21("7","7","5","7","5","6","7","1") = "6"
    & skf21("7","7","5","7","5","7","1","1") = "6"
    & skf21("7","7","5","7","5","7","2","1") = "6"
    & skf21("7","7","5","7","5","7","3","1") = "6"
    & skf21("7","7","5","7","5","7","4","1") = "6"
    & skf21("7","7","5","7","5","7","5","1") = "6"
    & skf21("7","7","5","7","5","7","6","1") = "6"
    & skf21("7","7","5","7","5","7","7","1") = "6"
    & skf21("7","7","5","7","6","1","1","1") = "6"
    & skf21("7","7","5","7","6","1","2","1") = "6"
    & skf21("7","7","5","7","6","1","3","1") = "6"
    & skf21("7","7","5","7","6","1","4","1") = "6"
    & skf21("7","7","5","7","6","1","5","1") = "6"
    & skf21("7","7","5","7","6","1","6","1") = "6"
    & skf21("7","7","5","7","6","1","7","1") = "6"
    & skf21("7","7","5","7","6","2","1","1") = "6"
    & skf21("7","7","5","7","6","2","2","1") = "6"
    & skf21("7","7","5","7","6","2","3","1") = "6"
    & skf21("7","7","5","7","6","2","4","1") = "6"
    & skf21("7","7","5","7","6","2","5","1") = "6"
    & skf21("7","7","5","7","6","2","6","1") = "6"
    & skf21("7","7","5","7","6","2","7","1") = "6"
    & skf21("7","7","5","7","6","3","1","1") = "6"
    & skf21("7","7","5","7","6","3","2","1") = "6"
    & skf21("7","7","5","7","6","3","3","1") = "6"
    & skf21("7","7","5","7","6","3","4","1") = "6"
    & skf21("7","7","5","7","6","3","5","1") = "6"
    & skf21("7","7","5","7","6","3","6","1") = "6"
    & skf21("7","7","5","7","6","3","7","1") = "6"
    & skf21("7","7","5","7","6","4","1","1") = "6"
    & skf21("7","7","5","7","6","4","2","1") = "6"
    & skf21("7","7","5","7","6","4","3","1") = "6"
    & skf21("7","7","5","7","6","4","4","1") = "6"
    & skf21("7","7","5","7","6","4","5","1") = "6"
    & skf21("7","7","5","7","6","4","6","1") = "6"
    & skf21("7","7","5","7","6","4","7","1") = "6"
    & skf21("7","7","5","7","6","5","1","1") = "6"
    & skf21("7","7","5","7","6","5","2","1") = "6"
    & skf21("7","7","5","7","6","5","3","1") = "6"
    & skf21("7","7","5","7","6","5","4","1") = "6"
    & skf21("7","7","5","7","6","5","5","1") = "6"
    & skf21("7","7","5","7","6","5","6","1") = "6"
    & skf21("7","7","5","7","6","5","7","1") = "6"
    & skf21("7","7","5","7","6","6","1","1") = "6"
    & skf21("7","7","5","7","6","6","2","1") = "6"
    & skf21("7","7","5","7","6","6","3","1") = "6"
    & skf21("7","7","5","7","6","6","4","1") = "6"
    & skf21("7","7","5","7","6","6","5","1") = "6"
    & skf21("7","7","5","7","6","6","6","1") = "6"
    & skf21("7","7","5","7","6","6","7","1") = "6"
    & skf21("7","7","5","7","6","7","1","1") = "6"
    & skf21("7","7","5","7","6","7","2","1") = "6"
    & skf21("7","7","5","7","6","7","3","1") = "6"
    & skf21("7","7","5","7","6","7","4","1") = "6"
    & skf21("7","7","5","7","6","7","5","1") = "6"
    & skf21("7","7","5","7","6","7","6","1") = "6"
    & skf21("7","7","5","7","6","7","7","1") = "6"
    & skf21("7","7","5","7","7","1","1","1") = "6"
    & skf21("7","7","5","7","7","1","2","1") = "6"
    & skf21("7","7","5","7","7","1","3","1") = "6"
    & skf21("7","7","5","7","7","1","4","1") = "6"
    & skf21("7","7","5","7","7","1","5","1") = "6"
    & skf21("7","7","5","7","7","1","6","1") = "6"
    & skf21("7","7","5","7","7","1","7","1") = "6"
    & skf21("7","7","5","7","7","2","1","1") = "6"
    & skf21("7","7","5","7","7","2","2","1") = "6"
    & skf21("7","7","5","7","7","2","3","1") = "6"
    & skf21("7","7","5","7","7","2","4","1") = "6"
    & skf21("7","7","5","7","7","2","5","1") = "6"
    & skf21("7","7","5","7","7","2","6","1") = "6"
    & skf21("7","7","5","7","7","2","7","1") = "6"
    & skf21("7","7","5","7","7","3","1","1") = "6"
    & skf21("7","7","5","7","7","3","2","1") = "6"
    & skf21("7","7","5","7","7","3","3","1") = "6"
    & skf21("7","7","5","7","7","3","4","1") = "6"
    & skf21("7","7","5","7","7","3","5","1") = "6"
    & skf21("7","7","5","7","7","3","6","1") = "6"
    & skf21("7","7","5","7","7","3","7","1") = "6"
    & skf21("7","7","5","7","7","4","1","1") = "6"
    & skf21("7","7","5","7","7","4","2","1") = "6"
    & skf21("7","7","5","7","7","4","3","1") = "6"
    & skf21("7","7","5","7","7","4","4","1") = "6"
    & skf21("7","7","5","7","7","4","5","1") = "6"
    & skf21("7","7","5","7","7","4","6","1") = "6"
    & skf21("7","7","5","7","7","4","7","1") = "6"
    & skf21("7","7","5","7","7","5","1","1") = "6"
    & skf21("7","7","5","7","7","5","2","1") = "6"
    & skf21("7","7","5","7","7","5","3","1") = "6"
    & skf21("7","7","5","7","7","5","4","1") = "6"
    & skf21("7","7","5","7","7","5","5","1") = "6"
    & skf21("7","7","5","7","7","5","6","1") = "6"
    & skf21("7","7","5","7","7","5","7","1") = "6"
    & skf21("7","7","5","7","7","6","1","1") = "6"
    & skf21("7","7","5","7","7","6","2","1") = "6"
    & skf21("7","7","5","7","7","6","3","1") = "6"
    & skf21("7","7","5","7","7","6","4","1") = "6"
    & skf21("7","7","5","7","7","6","5","1") = "6"
    & skf21("7","7","5","7","7","6","6","1") = "6"
    & skf21("7","7","5","7","7","6","7","1") = "6"
    & skf21("7","7","5","7","7","7","1","1") = "6"
    & skf21("7","7","5","7","7","7","2","1") = "6"
    & skf21("7","7","5","7","7","7","3","1") = "6"
    & skf21("7","7","5","7","7","7","4","1") = "6"
    & skf21("7","7","5","7","7","7","5","1") = "6"
    & skf21("7","7","5","7","7","7","6","1") = "6"
    & skf21("7","7","5","7","7","7","7","1") = "6"
    & skf21("7","7","6","1","1","1","1","1") = "6"
    & skf21("7","7","6","1","1","1","2","1") = "6"
    & skf21("7","7","6","1","1","1","3","1") = "6"
    & skf21("7","7","6","1","1","1","4","1") = "6"
    & skf21("7","7","6","1","1","1","5","1") = "6"
    & skf21("7","7","6","1","1","1","6","1") = "6"
    & skf21("7","7","6","1","1","1","7","1") = "6"
    & skf21("7","7","6","1","1","2","1","1") = "6"
    & skf21("7","7","6","1","1","2","2","1") = "6"
    & skf21("7","7","6","1","1","2","3","1") = "6"
    & skf21("7","7","6","1","1","2","4","1") = "6"
    & skf21("7","7","6","1","1","2","5","1") = "6"
    & skf21("7","7","6","1","1","2","6","1") = "6"
    & skf21("7","7","6","1","1","2","7","1") = "6"
    & skf21("7","7","6","1","1","3","1","1") = "6"
    & skf21("7","7","6","1","1","3","2","1") = "6"
    & skf21("7","7","6","1","1","3","3","1") = "6"
    & skf21("7","7","6","1","1","3","4","1") = "6"
    & skf21("7","7","6","1","1","3","5","1") = "6"
    & skf21("7","7","6","1","1","3","6","1") = "6"
    & skf21("7","7","6","1","1","3","7","1") = "6"
    & skf21("7","7","6","1","1","4","1","1") = "6"
    & skf21("7","7","6","1","1","4","2","1") = "6"
    & skf21("7","7","6","1","1","4","3","1") = "6"
    & skf21("7","7","6","1","1","4","4","1") = "6"
    & skf21("7","7","6","1","1","4","5","1") = "6"
    & skf21("7","7","6","1","1","4","6","1") = "6"
    & skf21("7","7","6","1","1","4","7","1") = "6"
    & skf21("7","7","6","1","1","5","1","1") = "6"
    & skf21("7","7","6","1","1","5","2","1") = "6"
    & skf21("7","7","6","1","1","5","3","1") = "6"
    & skf21("7","7","6","1","1","5","4","1") = "6"
    & skf21("7","7","6","1","1","5","5","1") = "6"
    & skf21("7","7","6","1","1","5","6","1") = "6"
    & skf21("7","7","6","1","1","5","7","1") = "6"
    & skf21("7","7","6","1","1","6","1","1") = "6"
    & skf21("7","7","6","1","1","6","2","1") = "6"
    & skf21("7","7","6","1","1","6","3","1") = "6"
    & skf21("7","7","6","1","1","6","4","1") = "6"
    & skf21("7","7","6","1","1","6","5","1") = "6"
    & skf21("7","7","6","1","1","6","6","1") = "6"
    & skf21("7","7","6","1","1","6","7","1") = "6"
    & skf21("7","7","6","1","1","7","1","1") = "6"
    & skf21("7","7","6","1","1","7","2","1") = "6"
    & skf21("7","7","6","1","1","7","3","1") = "6"
    & skf21("7","7","6","1","1","7","4","1") = "6"
    & skf21("7","7","6","1","1","7","5","1") = "6"
    & skf21("7","7","6","1","1","7","6","1") = "6"
    & skf21("7","7","6","1","1","7","7","1") = "6"
    & skf21("7","7","6","1","2","1","1","1") = "6"
    & skf21("7","7","6","1","2","1","2","1") = "6"
    & skf21("7","7","6","1","2","1","3","1") = "6"
    & skf21("7","7","6","1","2","1","4","1") = "6"
    & skf21("7","7","6","1","2","1","5","1") = "6"
    & skf21("7","7","6","1","2","1","6","1") = "6"
    & skf21("7","7","6","1","2","1","7","1") = "6"
    & skf21("7","7","6","1","2","2","1","1") = "6"
    & skf21("7","7","6","1","2","2","2","1") = "6"
    & skf21("7","7","6","1","2","2","3","1") = "6"
    & skf21("7","7","6","1","2","2","4","1") = "6"
    & skf21("7","7","6","1","2","2","5","1") = "6"
    & skf21("7","7","6","1","2","2","6","1") = "6"
    & skf21("7","7","6","1","2","2","7","1") = "6"
    & skf21("7","7","6","1","2","3","1","1") = "6"
    & skf21("7","7","6","1","2","3","2","1") = "6"
    & skf21("7","7","6","1","2","3","3","1") = "6"
    & skf21("7","7","6","1","2","3","4","1") = "6"
    & skf21("7","7","6","1","2","3","5","1") = "6"
    & skf21("7","7","6","1","2","3","6","1") = "6"
    & skf21("7","7","6","1","2","3","7","1") = "6"
    & skf21("7","7","6","1","2","4","1","1") = "6"
    & skf21("7","7","6","1","2","4","2","1") = "6"
    & skf21("7","7","6","1","2","4","3","1") = "6"
    & skf21("7","7","6","1","2","4","4","1") = "6"
    & skf21("7","7","6","1","2","4","5","1") = "6"
    & skf21("7","7","6","1","2","4","6","1") = "6"
    & skf21("7","7","6","1","2","4","7","1") = "6"
    & skf21("7","7","6","1","2","5","1","1") = "6"
    & skf21("7","7","6","1","2","5","2","1") = "6"
    & skf21("7","7","6","1","2","5","3","1") = "6"
    & skf21("7","7","6","1","2","5","4","1") = "6"
    & skf21("7","7","6","1","2","5","5","1") = "6"
    & skf21("7","7","6","1","2","5","6","1") = "6"
    & skf21("7","7","6","1","2","5","7","1") = "6"
    & skf21("7","7","6","1","2","6","1","1") = "6"
    & skf21("7","7","6","1","2","6","2","1") = "6"
    & skf21("7","7","6","1","2","6","3","1") = "6"
    & skf21("7","7","6","1","2","6","4","1") = "6"
    & skf21("7","7","6","1","2","6","5","1") = "6"
    & skf21("7","7","6","1","2","6","6","1") = "6"
    & skf21("7","7","6","1","2","6","7","1") = "6"
    & skf21("7","7","6","1","2","7","1","1") = "6"
    & skf21("7","7","6","1","2","7","2","1") = "6"
    & skf21("7","7","6","1","2","7","3","1") = "6"
    & skf21("7","7","6","1","2","7","4","1") = "6"
    & skf21("7","7","6","1","2","7","5","1") = "6"
    & skf21("7","7","6","1","2","7","6","1") = "6"
    & skf21("7","7","6","1","2","7","7","1") = "6"
    & skf21("7","7","6","1","3","1","1","1") = "6"
    & skf21("7","7","6","1","3","1","2","1") = "6"
    & skf21("7","7","6","1","3","1","3","1") = "6"
    & skf21("7","7","6","1","3","1","4","1") = "6"
    & skf21("7","7","6","1","3","1","5","1") = "6"
    & skf21("7","7","6","1","3","1","6","1") = "6"
    & skf21("7","7","6","1","3","1","7","1") = "6"
    & skf21("7","7","6","1","3","2","1","1") = "6"
    & skf21("7","7","6","1","3","2","2","1") = "6"
    & skf21("7","7","6","1","3","2","3","1") = "6"
    & skf21("7","7","6","1","3","2","4","1") = "6"
    & skf21("7","7","6","1","3","2","5","1") = "6"
    & skf21("7","7","6","1","3","2","6","1") = "6"
    & skf21("7","7","6","1","3","2","7","1") = "6"
    & skf21("7","7","6","1","3","3","1","1") = "6"
    & skf21("7","7","6","1","3","3","2","1") = "6"
    & skf21("7","7","6","1","3","3","3","1") = "6"
    & skf21("7","7","6","1","3","3","4","1") = "6"
    & skf21("7","7","6","1","3","3","5","1") = "6"
    & skf21("7","7","6","1","3","3","6","1") = "6"
    & skf21("7","7","6","1","3","3","7","1") = "6"
    & skf21("7","7","6","1","3","4","1","1") = "6"
    & skf21("7","7","6","1","3","4","2","1") = "6"
    & skf21("7","7","6","1","3","4","3","1") = "6"
    & skf21("7","7","6","1","3","4","4","1") = "6"
    & skf21("7","7","6","1","3","4","5","1") = "6"
    & skf21("7","7","6","1","3","4","6","1") = "6"
    & skf21("7","7","6","1","3","4","7","1") = "6"
    & skf21("7","7","6","1","3","5","1","1") = "6"
    & skf21("7","7","6","1","3","5","2","1") = "6"
    & skf21("7","7","6","1","3","5","3","1") = "6"
    & skf21("7","7","6","1","3","5","4","1") = "6"
    & skf21("7","7","6","1","3","5","5","1") = "6"
    & skf21("7","7","6","1","3","5","6","1") = "6"
    & skf21("7","7","6","1","3","5","7","1") = "6"
    & skf21("7","7","6","1","3","6","1","1") = "6"
    & skf21("7","7","6","1","3","6","2","1") = "6"
    & skf21("7","7","6","1","3","6","3","1") = "6"
    & skf21("7","7","6","1","3","6","4","1") = "6"
    & skf21("7","7","6","1","3","6","5","1") = "6"
    & skf21("7","7","6","1","3","6","6","1") = "6"
    & skf21("7","7","6","1","3","6","7","1") = "6"
    & skf21("7","7","6","1","3","7","1","1") = "6"
    & skf21("7","7","6","1","3","7","2","1") = "6"
    & skf21("7","7","6","1","3","7","3","1") = "6"
    & skf21("7","7","6","1","3","7","4","1") = "6"
    & skf21("7","7","6","1","3","7","5","1") = "6"
    & skf21("7","7","6","1","3","7","6","1") = "6"
    & skf21("7","7","6","1","3","7","7","1") = "6"
    & skf21("7","7","6","1","4","1","1","1") = "6"
    & skf21("7","7","6","1","4","1","2","1") = "6"
    & skf21("7","7","6","1","4","1","3","1") = "6"
    & skf21("7","7","6","1","4","1","4","1") = "6"
    & skf21("7","7","6","1","4","1","5","1") = "6"
    & skf21("7","7","6","1","4","1","6","1") = "6"
    & skf21("7","7","6","1","4","1","7","1") = "6"
    & skf21("7","7","6","1","4","2","1","1") = "6"
    & skf21("7","7","6","1","4","2","2","1") = "6"
    & skf21("7","7","6","1","4","2","3","1") = "6"
    & skf21("7","7","6","1","4","2","4","1") = "6"
    & skf21("7","7","6","1","4","2","5","1") = "6"
    & skf21("7","7","6","1","4","2","6","1") = "6"
    & skf21("7","7","6","1","4","2","7","1") = "6"
    & skf21("7","7","6","1","4","3","1","1") = "6"
    & skf21("7","7","6","1","4","3","2","1") = "6"
    & skf21("7","7","6","1","4","3","3","1") = "6"
    & skf21("7","7","6","1","4","3","4","1") = "6"
    & skf21("7","7","6","1","4","3","5","1") = "6"
    & skf21("7","7","6","1","4","3","6","1") = "6"
    & skf21("7","7","6","1","4","3","7","1") = "6"
    & skf21("7","7","6","1","4","4","1","1") = "6"
    & skf21("7","7","6","1","4","4","2","1") = "6"
    & skf21("7","7","6","1","4","4","3","1") = "6"
    & skf21("7","7","6","1","4","4","4","1") = "6"
    & skf21("7","7","6","1","4","4","5","1") = "6"
    & skf21("7","7","6","1","4","4","6","1") = "6"
    & skf21("7","7","6","1","4","4","7","1") = "6"
    & skf21("7","7","6","1","4","5","1","1") = "6"
    & skf21("7","7","6","1","4","5","2","1") = "6"
    & skf21("7","7","6","1","4","5","3","1") = "6"
    & skf21("7","7","6","1","4","5","4","1") = "6"
    & skf21("7","7","6","1","4","5","5","1") = "6"
    & skf21("7","7","6","1","4","5","6","1") = "6"
    & skf21("7","7","6","1","4","5","7","1") = "6"
    & skf21("7","7","6","1","4","6","1","1") = "6"
    & skf21("7","7","6","1","4","6","2","1") = "6"
    & skf21("7","7","6","1","4","6","3","1") = "6"
    & skf21("7","7","6","1","4","6","4","1") = "6"
    & skf21("7","7","6","1","4","6","5","1") = "6"
    & skf21("7","7","6","1","4","6","6","1") = "6"
    & skf21("7","7","6","1","4","6","7","1") = "6"
    & skf21("7","7","6","1","4","7","1","1") = "6"
    & skf21("7","7","6","1","4","7","2","1") = "6"
    & skf21("7","7","6","1","4","7","3","1") = "6"
    & skf21("7","7","6","1","4","7","4","1") = "6"
    & skf21("7","7","6","1","4","7","5","1") = "6"
    & skf21("7","7","6","1","4","7","6","1") = "6"
    & skf21("7","7","6","1","4","7","7","1") = "6"
    & skf21("7","7","6","1","5","1","1","1") = "6"
    & skf21("7","7","6","1","5","1","2","1") = "6"
    & skf21("7","7","6","1","5","1","3","1") = "6"
    & skf21("7","7","6","1","5","1","4","1") = "6"
    & skf21("7","7","6","1","5","1","5","1") = "6"
    & skf21("7","7","6","1","5","1","6","1") = "6"
    & skf21("7","7","6","1","5","1","7","1") = "6"
    & skf21("7","7","6","1","5","2","1","1") = "6"
    & skf21("7","7","6","1","5","2","2","1") = "6"
    & skf21("7","7","6","1","5","2","3","1") = "6"
    & skf21("7","7","6","1","5","2","4","1") = "6"
    & skf21("7","7","6","1","5","2","5","1") = "6"
    & skf21("7","7","6","1","5","2","6","1") = "6"
    & skf21("7","7","6","1","5","2","7","1") = "6"
    & skf21("7","7","6","1","5","3","1","1") = "6"
    & skf21("7","7","6","1","5","3","2","1") = "6"
    & skf21("7","7","6","1","5","3","3","1") = "6"
    & skf21("7","7","6","1","5","3","4","1") = "6"
    & skf21("7","7","6","1","5","3","5","1") = "6"
    & skf21("7","7","6","1","5","3","6","1") = "6"
    & skf21("7","7","6","1","5","3","7","1") = "6"
    & skf21("7","7","6","1","5","4","1","1") = "6"
    & skf21("7","7","6","1","5","4","2","1") = "6"
    & skf21("7","7","6","1","5","4","3","1") = "6"
    & skf21("7","7","6","1","5","4","4","1") = "6"
    & skf21("7","7","6","1","5","4","5","1") = "6"
    & skf21("7","7","6","1","5","4","6","1") = "6"
    & skf21("7","7","6","1","5","4","7","1") = "6"
    & skf21("7","7","6","1","5","5","1","1") = "6"
    & skf21("7","7","6","1","5","5","2","1") = "6"
    & skf21("7","7","6","1","5","5","3","1") = "6"
    & skf21("7","7","6","1","5","5","4","1") = "6"
    & skf21("7","7","6","1","5","5","5","1") = "6"
    & skf21("7","7","6","1","5","5","6","1") = "6"
    & skf21("7","7","6","1","5","5","7","1") = "6"
    & skf21("7","7","6","1","5","6","1","1") = "6"
    & skf21("7","7","6","1","5","6","2","1") = "6"
    & skf21("7","7","6","1","5","6","3","1") = "6"
    & skf21("7","7","6","1","5","6","4","1") = "6"
    & skf21("7","7","6","1","5","6","5","1") = "6"
    & skf21("7","7","6","1","5","6","6","1") = "6"
    & skf21("7","7","6","1","5","6","7","1") = "6"
    & skf21("7","7","6","1","5","7","1","1") = "6"
    & skf21("7","7","6","1","5","7","2","1") = "6"
    & skf21("7","7","6","1","5","7","3","1") = "6"
    & skf21("7","7","6","1","5","7","4","1") = "6"
    & skf21("7","7","6","1","5","7","5","1") = "6"
    & skf21("7","7","6","1","5","7","6","1") = "6"
    & skf21("7","7","6","1","5","7","7","1") = "6"
    & skf21("7","7","6","1","6","1","1","1") = "6"
    & skf21("7","7","6","1","6","1","2","1") = "6"
    & skf21("7","7","6","1","6","1","3","1") = "6"
    & skf21("7","7","6","1","6","1","4","1") = "6"
    & skf21("7","7","6","1","6","1","5","1") = "6"
    & skf21("7","7","6","1","6","1","6","1") = "6"
    & skf21("7","7","6","1","6","1","7","1") = "6"
    & skf21("7","7","6","1","6","2","1","1") = "6"
    & skf21("7","7","6","1","6","2","2","1") = "6"
    & skf21("7","7","6","1","6","2","3","1") = "6"
    & skf21("7","7","6","1","6","2","4","1") = "6"
    & skf21("7","7","6","1","6","2","5","1") = "6"
    & skf21("7","7","6","1","6","2","6","1") = "6"
    & skf21("7","7","6","1","6","2","7","1") = "6"
    & skf21("7","7","6","1","6","3","1","1") = "6"
    & skf21("7","7","6","1","6","3","2","1") = "6"
    & skf21("7","7","6","1","6","3","3","1") = "6"
    & skf21("7","7","6","1","6","3","4","1") = "6"
    & skf21("7","7","6","1","6","3","5","1") = "6"
    & skf21("7","7","6","1","6","3","6","1") = "6"
    & skf21("7","7","6","1","6","3","7","1") = "6"
    & skf21("7","7","6","1","6","4","1","1") = "6"
    & skf21("7","7","6","1","6","4","2","1") = "6"
    & skf21("7","7","6","1","6","4","3","1") = "6"
    & skf21("7","7","6","1","6","4","4","1") = "6"
    & skf21("7","7","6","1","6","4","5","1") = "6"
    & skf21("7","7","6","1","6","4","6","1") = "6"
    & skf21("7","7","6","1","6","4","7","1") = "6"
    & skf21("7","7","6","1","6","5","1","1") = "6"
    & skf21("7","7","6","1","6","5","2","1") = "6"
    & skf21("7","7","6","1","6","5","3","1") = "6"
    & skf21("7","7","6","1","6","5","4","1") = "6"
    & skf21("7","7","6","1","6","5","5","1") = "6"
    & skf21("7","7","6","1","6","5","6","1") = "6"
    & skf21("7","7","6","1","6","5","7","1") = "6"
    & skf21("7","7","6","1","6","6","1","1") = "6"
    & skf21("7","7","6","1","6","6","2","1") = "6"
    & skf21("7","7","6","1","6","6","3","1") = "6"
    & skf21("7","7","6","1","6","6","4","1") = "6"
    & skf21("7","7","6","1","6","6","5","1") = "6"
    & skf21("7","7","6","1","6","6","6","1") = "6"
    & skf21("7","7","6","1","6","6","7","1") = "6"
    & skf21("7","7","6","1","6","7","1","1") = "6"
    & skf21("7","7","6","1","6","7","2","1") = "6"
    & skf21("7","7","6","1","6","7","3","1") = "6"
    & skf21("7","7","6","1","6","7","4","1") = "6"
    & skf21("7","7","6","1","6","7","5","1") = "6"
    & skf21("7","7","6","1","6","7","6","1") = "6"
    & skf21("7","7","6","1","6","7","7","1") = "6"
    & skf21("7","7","6","1","7","1","1","1") = "6"
    & skf21("7","7","6","1","7","1","2","1") = "6"
    & skf21("7","7","6","1","7","1","3","1") = "6"
    & skf21("7","7","6","1","7","1","4","1") = "6"
    & skf21("7","7","6","1","7","1","5","1") = "6"
    & skf21("7","7","6","1","7","1","6","1") = "6"
    & skf21("7","7","6","1","7","1","7","1") = "6"
    & skf21("7","7","6","1","7","2","1","1") = "6"
    & skf21("7","7","6","1","7","2","2","1") = "6"
    & skf21("7","7","6","1","7","2","3","1") = "6"
    & skf21("7","7","6","1","7","2","4","1") = "6"
    & skf21("7","7","6","1","7","2","5","1") = "6"
    & skf21("7","7","6","1","7","2","6","1") = "6"
    & skf21("7","7","6","1","7","2","7","1") = "6"
    & skf21("7","7","6","1","7","3","1","1") = "6"
    & skf21("7","7","6","1","7","3","2","1") = "6"
    & skf21("7","7","6","1","7","3","3","1") = "6"
    & skf21("7","7","6","1","7","3","4","1") = "6"
    & skf21("7","7","6","1","7","3","5","1") = "6"
    & skf21("7","7","6","1","7","3","6","1") = "6"
    & skf21("7","7","6","1","7","3","7","1") = "6"
    & skf21("7","7","6","1","7","4","1","1") = "6"
    & skf21("7","7","6","1","7","4","2","1") = "6"
    & skf21("7","7","6","1","7","4","3","1") = "6"
    & skf21("7","7","6","1","7","4","4","1") = "6"
    & skf21("7","7","6","1","7","4","5","1") = "6"
    & skf21("7","7","6","1","7","4","6","1") = "6"
    & skf21("7","7","6","1","7","4","7","1") = "6"
    & skf21("7","7","6","1","7","5","1","1") = "6"
    & skf21("7","7","6","1","7","5","2","1") = "6"
    & skf21("7","7","6","1","7","5","3","1") = "6"
    & skf21("7","7","6","1","7","5","4","1") = "6"
    & skf21("7","7","6","1","7","5","5","1") = "6"
    & skf21("7","7","6","1","7","5","6","1") = "6"
    & skf21("7","7","6","1","7","5","7","1") = "6"
    & skf21("7","7","6","1","7","6","1","1") = "6"
    & skf21("7","7","6","1","7","6","2","1") = "6"
    & skf21("7","7","6","1","7","6","3","1") = "6"
    & skf21("7","7","6","1","7","6","4","1") = "6"
    & skf21("7","7","6","1","7","6","5","1") = "6"
    & skf21("7","7","6","1","7","6","6","1") = "6"
    & skf21("7","7","6","1","7","6","7","1") = "6"
    & skf21("7","7","6","1","7","7","1","1") = "6"
    & skf21("7","7","6","1","7","7","2","1") = "6"
    & skf21("7","7","6","1","7","7","3","1") = "6"
    & skf21("7","7","6","1","7","7","4","1") = "6"
    & skf21("7","7","6","1","7","7","5","1") = "6"
    & skf21("7","7","6","1","7","7","6","1") = "6"
    & skf21("7","7","6","1","7","7","7","1") = "6"
    & skf21("7","7","6","2","1","1","1","1") = "6"
    & skf21("7","7","6","2","1","1","2","1") = "6"
    & skf21("7","7","6","2","1","1","3","1") = "6"
    & skf21("7","7","6","2","1","1","4","1") = "6"
    & skf21("7","7","6","2","1","1","5","1") = "6"
    & skf21("7","7","6","2","1","1","6","1") = "6"
    & skf21("7","7","6","2","1","1","7","1") = "6"
    & skf21("7","7","6","2","1","2","1","1") = "6"
    & skf21("7","7","6","2","1","2","2","1") = "6"
    & skf21("7","7","6","2","1","2","3","1") = "6"
    & skf21("7","7","6","2","1","2","4","1") = "6"
    & skf21("7","7","6","2","1","2","5","1") = "6"
    & skf21("7","7","6","2","1","2","6","1") = "6"
    & skf21("7","7","6","2","1","2","7","1") = "6"
    & skf21("7","7","6","2","1","3","1","1") = "6"
    & skf21("7","7","6","2","1","3","2","1") = "6"
    & skf21("7","7","6","2","1","3","3","1") = "6"
    & skf21("7","7","6","2","1","3","4","1") = "6"
    & skf21("7","7","6","2","1","3","5","1") = "6"
    & skf21("7","7","6","2","1","3","6","1") = "6"
    & skf21("7","7","6","2","1","3","7","1") = "6"
    & skf21("7","7","6","2","1","4","1","1") = "6"
    & skf21("7","7","6","2","1","4","2","1") = "6"
    & skf21("7","7","6","2","1","4","3","1") = "6"
    & skf21("7","7","6","2","1","4","4","1") = "6"
    & skf21("7","7","6","2","1","4","5","1") = "6"
    & skf21("7","7","6","2","1","4","6","1") = "6"
    & skf21("7","7","6","2","1","4","7","1") = "6"
    & skf21("7","7","6","2","1","5","1","1") = "6"
    & skf21("7","7","6","2","1","5","2","1") = "6"
    & skf21("7","7","6","2","1","5","3","1") = "6"
    & skf21("7","7","6","2","1","5","4","1") = "6"
    & skf21("7","7","6","2","1","5","5","1") = "6"
    & skf21("7","7","6","2","1","5","6","1") = "6"
    & skf21("7","7","6","2","1","5","7","1") = "6"
    & skf21("7","7","6","2","1","6","1","1") = "6"
    & skf21("7","7","6","2","1","6","2","1") = "6"
    & skf21("7","7","6","2","1","6","3","1") = "6"
    & skf21("7","7","6","2","1","6","4","1") = "6"
    & skf21("7","7","6","2","1","6","5","1") = "6"
    & skf21("7","7","6","2","1","6","6","1") = "6"
    & skf21("7","7","6","2","1","6","7","1") = "6"
    & skf21("7","7","6","2","1","7","1","1") = "6"
    & skf21("7","7","6","2","1","7","2","1") = "6"
    & skf21("7","7","6","2","1","7","3","1") = "6"
    & skf21("7","7","6","2","1","7","4","1") = "6"
    & skf21("7","7","6","2","1","7","5","1") = "6"
    & skf21("7","7","6","2","1","7","6","1") = "6"
    & skf21("7","7","6","2","1","7","7","1") = "6"
    & skf21("7","7","6","2","2","1","1","1") = "6"
    & skf21("7","7","6","2","2","1","2","1") = "6"
    & skf21("7","7","6","2","2","1","3","1") = "6"
    & skf21("7","7","6","2","2","1","4","1") = "6"
    & skf21("7","7","6","2","2","1","5","1") = "6"
    & skf21("7","7","6","2","2","1","6","1") = "6"
    & skf21("7","7","6","2","2","1","7","1") = "6"
    & skf21("7","7","6","2","2","2","1","1") = "6"
    & skf21("7","7","6","2","2","2","2","1") = "6"
    & skf21("7","7","6","2","2","2","3","1") = "6"
    & skf21("7","7","6","2","2","2","4","1") = "6"
    & skf21("7","7","6","2","2","2","5","1") = "6"
    & skf21("7","7","6","2","2","2","6","1") = "6"
    & skf21("7","7","6","2","2","2","7","1") = "6"
    & skf21("7","7","6","2","2","3","1","1") = "6"
    & skf21("7","7","6","2","2","3","2","1") = "6"
    & skf21("7","7","6","2","2","3","3","1") = "6"
    & skf21("7","7","6","2","2","3","4","1") = "6"
    & skf21("7","7","6","2","2","3","5","1") = "6"
    & skf21("7","7","6","2","2","3","6","1") = "6"
    & skf21("7","7","6","2","2","3","7","1") = "6"
    & skf21("7","7","6","2","2","4","1","1") = "6"
    & skf21("7","7","6","2","2","4","2","1") = "6"
    & skf21("7","7","6","2","2","4","3","1") = "6"
    & skf21("7","7","6","2","2","4","4","1") = "6"
    & skf21("7","7","6","2","2","4","5","1") = "6"
    & skf21("7","7","6","2","2","4","6","1") = "6"
    & skf21("7","7","6","2","2","4","7","1") = "6"
    & skf21("7","7","6","2","2","5","1","1") = "6"
    & skf21("7","7","6","2","2","5","2","1") = "6"
    & skf21("7","7","6","2","2","5","3","1") = "6"
    & skf21("7","7","6","2","2","5","4","1") = "6"
    & skf21("7","7","6","2","2","5","5","1") = "6"
    & skf21("7","7","6","2","2","5","6","1") = "6"
    & skf21("7","7","6","2","2","5","7","1") = "6"
    & skf21("7","7","6","2","2","6","1","1") = "6"
    & skf21("7","7","6","2","2","6","2","1") = "6"
    & skf21("7","7","6","2","2","6","3","1") = "6"
    & skf21("7","7","6","2","2","6","4","1") = "6"
    & skf21("7","7","6","2","2","6","5","1") = "6"
    & skf21("7","7","6","2","2","6","6","1") = "6"
    & skf21("7","7","6","2","2","6","7","1") = "6"
    & skf21("7","7","6","2","2","7","1","1") = "6"
    & skf21("7","7","6","2","2","7","2","1") = "6"
    & skf21("7","7","6","2","2","7","3","1") = "6"
    & skf21("7","7","6","2","2","7","4","1") = "6"
    & skf21("7","7","6","2","2","7","5","1") = "6"
    & skf21("7","7","6","2","2","7","6","1") = "6"
    & skf21("7","7","6","2","2","7","7","1") = "6"
    & skf21("7","7","6","2","3","1","1","1") = "6"
    & skf21("7","7","6","2","3","1","2","1") = "6"
    & skf21("7","7","6","2","3","1","3","1") = "6"
    & skf21("7","7","6","2","3","1","4","1") = "6"
    & skf21("7","7","6","2","3","1","5","1") = "6"
    & skf21("7","7","6","2","3","1","6","1") = "6"
    & skf21("7","7","6","2","3","1","7","1") = "6"
    & skf21("7","7","6","2","3","2","1","1") = "6"
    & skf21("7","7","6","2","3","2","2","1") = "6"
    & skf21("7","7","6","2","3","2","3","1") = "6"
    & skf21("7","7","6","2","3","2","4","1") = "6"
    & skf21("7","7","6","2","3","2","5","1") = "6"
    & skf21("7","7","6","2","3","2","6","1") = "6"
    & skf21("7","7","6","2","3","2","7","1") = "6"
    & skf21("7","7","6","2","3","3","1","1") = "6"
    & skf21("7","7","6","2","3","3","2","1") = "6"
    & skf21("7","7","6","2","3","3","3","1") = "6"
    & skf21("7","7","6","2","3","3","4","1") = "6"
    & skf21("7","7","6","2","3","3","5","1") = "6"
    & skf21("7","7","6","2","3","3","6","1") = "6"
    & skf21("7","7","6","2","3","3","7","1") = "6"
    & skf21("7","7","6","2","3","4","1","1") = "6"
    & skf21("7","7","6","2","3","4","2","1") = "6"
    & skf21("7","7","6","2","3","4","3","1") = "6"
    & skf21("7","7","6","2","3","4","4","1") = "6"
    & skf21("7","7","6","2","3","4","5","1") = "6"
    & skf21("7","7","6","2","3","4","6","1") = "6"
    & skf21("7","7","6","2","3","4","7","1") = "6"
    & skf21("7","7","6","2","3","5","1","1") = "6"
    & skf21("7","7","6","2","3","5","2","1") = "6"
    & skf21("7","7","6","2","3","5","3","1") = "6"
    & skf21("7","7","6","2","3","5","4","1") = "6"
    & skf21("7","7","6","2","3","5","5","1") = "6"
    & skf21("7","7","6","2","3","5","6","1") = "6"
    & skf21("7","7","6","2","3","5","7","1") = "6"
    & skf21("7","7","6","2","3","6","1","1") = "6"
    & skf21("7","7","6","2","3","6","2","1") = "6"
    & skf21("7","7","6","2","3","6","3","1") = "6"
    & skf21("7","7","6","2","3","6","4","1") = "6"
    & skf21("7","7","6","2","3","6","5","1") = "6"
    & skf21("7","7","6","2","3","6","6","1") = "6"
    & skf21("7","7","6","2","3","6","7","1") = "6"
    & skf21("7","7","6","2","3","7","1","1") = "6"
    & skf21("7","7","6","2","3","7","2","1") = "6"
    & skf21("7","7","6","2","3","7","3","1") = "6"
    & skf21("7","7","6","2","3","7","4","1") = "6"
    & skf21("7","7","6","2","3","7","5","1") = "6"
    & skf21("7","7","6","2","3","7","6","1") = "6"
    & skf21("7","7","6","2","3","7","7","1") = "6"
    & skf21("7","7","6","2","4","1","1","1") = "6"
    & skf21("7","7","6","2","4","1","2","1") = "6"
    & skf21("7","7","6","2","4","1","3","1") = "6"
    & skf21("7","7","6","2","4","1","4","1") = "6"
    & skf21("7","7","6","2","4","1","5","1") = "6"
    & skf21("7","7","6","2","4","1","6","1") = "6"
    & skf21("7","7","6","2","4","1","7","1") = "6"
    & skf21("7","7","6","2","4","2","1","1") = "6"
    & skf21("7","7","6","2","4","2","2","1") = "6"
    & skf21("7","7","6","2","4","2","3","1") = "6"
    & skf21("7","7","6","2","4","2","4","1") = "6"
    & skf21("7","7","6","2","4","2","5","1") = "6"
    & skf21("7","7","6","2","4","2","6","1") = "6"
    & skf21("7","7","6","2","4","2","7","1") = "6"
    & skf21("7","7","6","2","4","3","1","1") = "6"
    & skf21("7","7","6","2","4","3","2","1") = "6"
    & skf21("7","7","6","2","4","3","3","1") = "6"
    & skf21("7","7","6","2","4","3","4","1") = "6"
    & skf21("7","7","6","2","4","3","5","1") = "6"
    & skf21("7","7","6","2","4","3","6","1") = "6"
    & skf21("7","7","6","2","4","3","7","1") = "6"
    & skf21("7","7","6","2","4","4","1","1") = "6"
    & skf21("7","7","6","2","4","4","2","1") = "6"
    & skf21("7","7","6","2","4","4","3","1") = "6"
    & skf21("7","7","6","2","4","4","4","1") = "6"
    & skf21("7","7","6","2","4","4","5","1") = "6"
    & skf21("7","7","6","2","4","4","6","1") = "6"
    & skf21("7","7","6","2","4","4","7","1") = "6"
    & skf21("7","7","6","2","4","5","1","1") = "6"
    & skf21("7","7","6","2","4","5","2","1") = "6"
    & skf21("7","7","6","2","4","5","3","1") = "6"
    & skf21("7","7","6","2","4","5","4","1") = "6"
    & skf21("7","7","6","2","4","5","5","1") = "6"
    & skf21("7","7","6","2","4","5","6","1") = "6"
    & skf21("7","7","6","2","4","5","7","1") = "6"
    & skf21("7","7","6","2","4","6","1","1") = "6"
    & skf21("7","7","6","2","4","6","2","1") = "6"
    & skf21("7","7","6","2","4","6","3","1") = "6"
    & skf21("7","7","6","2","4","6","4","1") = "6"
    & skf21("7","7","6","2","4","6","5","1") = "6"
    & skf21("7","7","6","2","4","6","6","1") = "6"
    & skf21("7","7","6","2","4","6","7","1") = "6"
    & skf21("7","7","6","2","4","7","1","1") = "6"
    & skf21("7","7","6","2","4","7","2","1") = "6"
    & skf21("7","7","6","2","4","7","3","1") = "6"
    & skf21("7","7","6","2","4","7","4","1") = "6"
    & skf21("7","7","6","2","4","7","5","1") = "6"
    & skf21("7","7","6","2","4","7","6","1") = "6"
    & skf21("7","7","6","2","4","7","7","1") = "6"
    & skf21("7","7","6","2","5","1","1","1") = "6"
    & skf21("7","7","6","2","5","1","2","1") = "6"
    & skf21("7","7","6","2","5","1","3","1") = "6"
    & skf21("7","7","6","2","5","1","4","1") = "6"
    & skf21("7","7","6","2","5","1","5","1") = "6"
    & skf21("7","7","6","2","5","1","6","1") = "6"
    & skf21("7","7","6","2","5","1","7","1") = "6"
    & skf21("7","7","6","2","5","2","1","1") = "6"
    & skf21("7","7","6","2","5","2","2","1") = "6"
    & skf21("7","7","6","2","5","2","3","1") = "6"
    & skf21("7","7","6","2","5","2","4","1") = "6"
    & skf21("7","7","6","2","5","2","5","1") = "6"
    & skf21("7","7","6","2","5","2","6","1") = "6"
    & skf21("7","7","6","2","5","2","7","1") = "6"
    & skf21("7","7","6","2","5","3","1","1") = "6"
    & skf21("7","7","6","2","5","3","2","1") = "6"
    & skf21("7","7","6","2","5","3","3","1") = "6"
    & skf21("7","7","6","2","5","3","4","1") = "6"
    & skf21("7","7","6","2","5","3","5","1") = "6"
    & skf21("7","7","6","2","5","3","6","1") = "6"
    & skf21("7","7","6","2","5","3","7","1") = "6"
    & skf21("7","7","6","2","5","4","1","1") = "6"
    & skf21("7","7","6","2","5","4","2","1") = "6"
    & skf21("7","7","6","2","5","4","3","1") = "6"
    & skf21("7","7","6","2","5","4","4","1") = "6"
    & skf21("7","7","6","2","5","4","5","1") = "6"
    & skf21("7","7","6","2","5","4","6","1") = "6"
    & skf21("7","7","6","2","5","4","7","1") = "6"
    & skf21("7","7","6","2","5","5","1","1") = "6"
    & skf21("7","7","6","2","5","5","2","1") = "6"
    & skf21("7","7","6","2","5","5","3","1") = "6"
    & skf21("7","7","6","2","5","5","4","1") = "6"
    & skf21("7","7","6","2","5","5","5","1") = "6"
    & skf21("7","7","6","2","5","5","6","1") = "6"
    & skf21("7","7","6","2","5","5","7","1") = "6"
    & skf21("7","7","6","2","5","6","1","1") = "6"
    & skf21("7","7","6","2","5","6","2","1") = "6"
    & skf21("7","7","6","2","5","6","3","1") = "6"
    & skf21("7","7","6","2","5","6","4","1") = "6"
    & skf21("7","7","6","2","5","6","5","1") = "6"
    & skf21("7","7","6","2","5","6","6","1") = "6"
    & skf21("7","7","6","2","5","6","7","1") = "6"
    & skf21("7","7","6","2","5","7","1","1") = "6"
    & skf21("7","7","6","2","5","7","2","1") = "6"
    & skf21("7","7","6","2","5","7","3","1") = "6"
    & skf21("7","7","6","2","5","7","4","1") = "6"
    & skf21("7","7","6","2","5","7","5","1") = "6"
    & skf21("7","7","6","2","5","7","6","1") = "6"
    & skf21("7","7","6","2","5","7","7","1") = "6"
    & skf21("7","7","6","2","6","1","1","1") = "6"
    & skf21("7","7","6","2","6","1","2","1") = "6"
    & skf21("7","7","6","2","6","1","3","1") = "6"
    & skf21("7","7","6","2","6","1","4","1") = "6"
    & skf21("7","7","6","2","6","1","5","1") = "6"
    & skf21("7","7","6","2","6","1","6","1") = "6"
    & skf21("7","7","6","2","6","1","7","1") = "6"
    & skf21("7","7","6","2","6","2","1","1") = "6"
    & skf21("7","7","6","2","6","2","2","1") = "6"
    & skf21("7","7","6","2","6","2","3","1") = "6"
    & skf21("7","7","6","2","6","2","4","1") = "6"
    & skf21("7","7","6","2","6","2","5","1") = "6"
    & skf21("7","7","6","2","6","2","6","1") = "6"
    & skf21("7","7","6","2","6","2","7","1") = "6"
    & skf21("7","7","6","2","6","3","1","1") = "6"
    & skf21("7","7","6","2","6","3","2","1") = "6"
    & skf21("7","7","6","2","6","3","3","1") = "6"
    & skf21("7","7","6","2","6","3","4","1") = "6"
    & skf21("7","7","6","2","6","3","5","1") = "6"
    & skf21("7","7","6","2","6","3","6","1") = "6"
    & skf21("7","7","6","2","6","3","7","1") = "6"
    & skf21("7","7","6","2","6","4","1","1") = "6"
    & skf21("7","7","6","2","6","4","2","1") = "6"
    & skf21("7","7","6","2","6","4","3","1") = "6"
    & skf21("7","7","6","2","6","4","4","1") = "6"
    & skf21("7","7","6","2","6","4","5","1") = "6"
    & skf21("7","7","6","2","6","4","6","1") = "6"
    & skf21("7","7","6","2","6","4","7","1") = "6"
    & skf21("7","7","6","2","6","5","1","1") = "6"
    & skf21("7","7","6","2","6","5","2","1") = "6"
    & skf21("7","7","6","2","6","5","3","1") = "6"
    & skf21("7","7","6","2","6","5","4","1") = "6"
    & skf21("7","7","6","2","6","5","5","1") = "6"
    & skf21("7","7","6","2","6","5","6","1") = "6"
    & skf21("7","7","6","2","6","5","7","1") = "6"
    & skf21("7","7","6","2","6","6","1","1") = "6"
    & skf21("7","7","6","2","6","6","2","1") = "6"
    & skf21("7","7","6","2","6","6","3","1") = "6"
    & skf21("7","7","6","2","6","6","4","1") = "6"
    & skf21("7","7","6","2","6","6","5","1") = "6"
    & skf21("7","7","6","2","6","6","6","1") = "6"
    & skf21("7","7","6","2","6","6","7","1") = "6"
    & skf21("7","7","6","2","6","7","1","1") = "6"
    & skf21("7","7","6","2","6","7","2","1") = "6"
    & skf21("7","7","6","2","6","7","3","1") = "6"
    & skf21("7","7","6","2","6","7","4","1") = "6"
    & skf21("7","7","6","2","6","7","5","1") = "6"
    & skf21("7","7","6","2","6","7","6","1") = "6"
    & skf21("7","7","6","2","6","7","7","1") = "6"
    & skf21("7","7","6","2","7","1","1","1") = "6"
    & skf21("7","7","6","2","7","1","2","1") = "6"
    & skf21("7","7","6","2","7","1","3","1") = "6"
    & skf21("7","7","6","2","7","1","4","1") = "6"
    & skf21("7","7","6","2","7","1","5","1") = "6"
    & skf21("7","7","6","2","7","1","6","1") = "6"
    & skf21("7","7","6","2","7","1","7","1") = "6"
    & skf21("7","7","6","2","7","2","1","1") = "6"
    & skf21("7","7","6","2","7","2","2","1") = "6"
    & skf21("7","7","6","2","7","2","3","1") = "6"
    & skf21("7","7","6","2","7","2","4","1") = "6"
    & skf21("7","7","6","2","7","2","5","1") = "6"
    & skf21("7","7","6","2","7","2","6","1") = "6"
    & skf21("7","7","6","2","7","2","7","1") = "6"
    & skf21("7","7","6","2","7","3","1","1") = "6"
    & skf21("7","7","6","2","7","3","2","1") = "6"
    & skf21("7","7","6","2","7","3","3","1") = "6"
    & skf21("7","7","6","2","7","3","4","1") = "6"
    & skf21("7","7","6","2","7","3","5","1") = "6"
    & skf21("7","7","6","2","7","3","6","1") = "6"
    & skf21("7","7","6","2","7","3","7","1") = "6"
    & skf21("7","7","6","2","7","4","1","1") = "6"
    & skf21("7","7","6","2","7","4","2","1") = "6"
    & skf21("7","7","6","2","7","4","3","1") = "6"
    & skf21("7","7","6","2","7","4","4","1") = "6"
    & skf21("7","7","6","2","7","4","5","1") = "6"
    & skf21("7","7","6","2","7","4","6","1") = "6"
    & skf21("7","7","6","2","7","4","7","1") = "6"
    & skf21("7","7","6","2","7","5","1","1") = "6"
    & skf21("7","7","6","2","7","5","2","1") = "6"
    & skf21("7","7","6","2","7","5","3","1") = "6"
    & skf21("7","7","6","2","7","5","4","1") = "6"
    & skf21("7","7","6","2","7","5","5","1") = "6"
    & skf21("7","7","6","2","7","5","6","1") = "6"
    & skf21("7","7","6","2","7","5","7","1") = "6"
    & skf21("7","7","6","2","7","6","1","1") = "6"
    & skf21("7","7","6","2","7","6","2","1") = "6"
    & skf21("7","7","6","2","7","6","3","1") = "6"
    & skf21("7","7","6","2","7","6","4","1") = "6"
    & skf21("7","7","6","2","7","6","5","1") = "6"
    & skf21("7","7","6","2","7","6","6","1") = "6"
    & skf21("7","7","6","2","7","6","7","1") = "6"
    & skf21("7","7","6","2","7","7","1","1") = "6"
    & skf21("7","7","6","2","7","7","2","1") = "6"
    & skf21("7","7","6","2","7","7","3","1") = "6"
    & skf21("7","7","6","2","7","7","4","1") = "6"
    & skf21("7","7","6","2","7","7","5","1") = "6"
    & skf21("7","7","6","2","7","7","6","1") = "6"
    & skf21("7","7","6","2","7","7","7","1") = "6"
    & skf21("7","7","6","3","1","1","1","1") = "6"
    & skf21("7","7","6","3","1","1","2","1") = "6"
    & skf21("7","7","6","3","1","1","3","1") = "6"
    & skf21("7","7","6","3","1","1","4","1") = "6"
    & skf21("7","7","6","3","1","1","5","1") = "6"
    & skf21("7","7","6","3","1","1","6","1") = "6"
    & skf21("7","7","6","3","1","1","7","1") = "6"
    & skf21("7","7","6","3","1","2","1","1") = "6"
    & skf21("7","7","6","3","1","2","2","1") = "6"
    & skf21("7","7","6","3","1","2","3","1") = "6"
    & skf21("7","7","6","3","1","2","4","1") = "6"
    & skf21("7","7","6","3","1","2","5","1") = "6"
    & skf21("7","7","6","3","1","2","6","1") = "6"
    & skf21("7","7","6","3","1","2","7","1") = "6"
    & skf21("7","7","6","3","1","3","1","1") = "6"
    & skf21("7","7","6","3","1","3","2","1") = "6"
    & skf21("7","7","6","3","1","3","3","1") = "6"
    & skf21("7","7","6","3","1","3","4","1") = "6"
    & skf21("7","7","6","3","1","3","5","1") = "6"
    & skf21("7","7","6","3","1","3","6","1") = "6"
    & skf21("7","7","6","3","1","3","7","1") = "6"
    & skf21("7","7","6","3","1","4","1","1") = "6"
    & skf21("7","7","6","3","1","4","2","1") = "6"
    & skf21("7","7","6","3","1","4","3","1") = "6"
    & skf21("7","7","6","3","1","4","4","1") = "6"
    & skf21("7","7","6","3","1","4","5","1") = "6"
    & skf21("7","7","6","3","1","4","6","1") = "6"
    & skf21("7","7","6","3","1","4","7","1") = "6"
    & skf21("7","7","6","3","1","5","1","1") = "6"
    & skf21("7","7","6","3","1","5","2","1") = "6"
    & skf21("7","7","6","3","1","5","3","1") = "6"
    & skf21("7","7","6","3","1","5","4","1") = "6"
    & skf21("7","7","6","3","1","5","5","1") = "6"
    & skf21("7","7","6","3","1","5","6","1") = "6"
    & skf21("7","7","6","3","1","5","7","1") = "6"
    & skf21("7","7","6","3","1","6","1","1") = "6"
    & skf21("7","7","6","3","1","6","2","1") = "6"
    & skf21("7","7","6","3","1","6","3","1") = "6"
    & skf21("7","7","6","3","1","6","4","1") = "6"
    & skf21("7","7","6","3","1","6","5","1") = "6"
    & skf21("7","7","6","3","1","6","6","1") = "6"
    & skf21("7","7","6","3","1","6","7","1") = "6"
    & skf21("7","7","6","3","1","7","1","1") = "6"
    & skf21("7","7","6","3","1","7","2","1") = "6"
    & skf21("7","7","6","3","1","7","3","1") = "6"
    & skf21("7","7","6","3","1","7","4","1") = "6"
    & skf21("7","7","6","3","1","7","5","1") = "6"
    & skf21("7","7","6","3","1","7","6","1") = "6"
    & skf21("7","7","6","3","1","7","7","1") = "6"
    & skf21("7","7","6","3","2","1","1","1") = "6"
    & skf21("7","7","6","3","2","1","2","1") = "6"
    & skf21("7","7","6","3","2","1","3","1") = "6"
    & skf21("7","7","6","3","2","1","4","1") = "6"
    & skf21("7","7","6","3","2","1","5","1") = "6"
    & skf21("7","7","6","3","2","1","6","1") = "6"
    & skf21("7","7","6","3","2","1","7","1") = "6"
    & skf21("7","7","6","3","2","2","1","1") = "6"
    & skf21("7","7","6","3","2","2","2","1") = "6"
    & skf21("7","7","6","3","2","2","3","1") = "6"
    & skf21("7","7","6","3","2","2","4","1") = "6"
    & skf21("7","7","6","3","2","2","5","1") = "6"
    & skf21("7","7","6","3","2","2","6","1") = "6"
    & skf21("7","7","6","3","2","2","7","1") = "6"
    & skf21("7","7","6","3","2","3","1","1") = "6"
    & skf21("7","7","6","3","2","3","2","1") = "6"
    & skf21("7","7","6","3","2","3","3","1") = "6"
    & skf21("7","7","6","3","2","3","4","1") = "6"
    & skf21("7","7","6","3","2","3","5","1") = "6"
    & skf21("7","7","6","3","2","3","6","1") = "6"
    & skf21("7","7","6","3","2","3","7","1") = "6"
    & skf21("7","7","6","3","2","4","1","1") = "6"
    & skf21("7","7","6","3","2","4","2","1") = "6"
    & skf21("7","7","6","3","2","4","3","1") = "6"
    & skf21("7","7","6","3","2","4","4","1") = "6"
    & skf21("7","7","6","3","2","4","5","1") = "6"
    & skf21("7","7","6","3","2","4","6","1") = "6"
    & skf21("7","7","6","3","2","4","7","1") = "6"
    & skf21("7","7","6","3","2","5","1","1") = "6"
    & skf21("7","7","6","3","2","5","2","1") = "6"
    & skf21("7","7","6","3","2","5","3","1") = "6"
    & skf21("7","7","6","3","2","5","4","1") = "6"
    & skf21("7","7","6","3","2","5","5","1") = "6"
    & skf21("7","7","6","3","2","5","6","1") = "6"
    & skf21("7","7","6","3","2","5","7","1") = "6"
    & skf21("7","7","6","3","2","6","1","1") = "6"
    & skf21("7","7","6","3","2","6","2","1") = "6"
    & skf21("7","7","6","3","2","6","3","1") = "6"
    & skf21("7","7","6","3","2","6","4","1") = "6"
    & skf21("7","7","6","3","2","6","5","1") = "6"
    & skf21("7","7","6","3","2","6","6","1") = "6"
    & skf21("7","7","6","3","2","6","7","1") = "6"
    & skf21("7","7","6","3","2","7","1","1") = "6"
    & skf21("7","7","6","3","2","7","2","1") = "6"
    & skf21("7","7","6","3","2","7","3","1") = "6"
    & skf21("7","7","6","3","2","7","4","1") = "6"
    & skf21("7","7","6","3","2","7","5","1") = "6"
    & skf21("7","7","6","3","2","7","6","1") = "6"
    & skf21("7","7","6","3","2","7","7","1") = "6"
    & skf21("7","7","6","3","3","1","1","1") = "6"
    & skf21("7","7","6","3","3","1","2","1") = "6"
    & skf21("7","7","6","3","3","1","3","1") = "6"
    & skf21("7","7","6","3","3","1","4","1") = "6"
    & skf21("7","7","6","3","3","1","5","1") = "6"
    & skf21("7","7","6","3","3","1","6","1") = "6"
    & skf21("7","7","6","3","3","1","7","1") = "6"
    & skf21("7","7","6","3","3","2","1","1") = "6"
    & skf21("7","7","6","3","3","2","2","1") = "6"
    & skf21("7","7","6","3","3","2","3","1") = "6"
    & skf21("7","7","6","3","3","2","4","1") = "6"
    & skf21("7","7","6","3","3","2","5","1") = "6"
    & skf21("7","7","6","3","3","2","6","1") = "6"
    & skf21("7","7","6","3","3","2","7","1") = "6"
    & skf21("7","7","6","3","3","3","1","1") = "6"
    & skf21("7","7","6","3","3","3","2","1") = "6"
    & skf21("7","7","6","3","3","3","3","1") = "6"
    & skf21("7","7","6","3","3","3","4","1") = "6"
    & skf21("7","7","6","3","3","3","5","1") = "6"
    & skf21("7","7","6","3","3","3","6","1") = "6"
    & skf21("7","7","6","3","3","3","7","1") = "6"
    & skf21("7","7","6","3","3","4","1","1") = "6"
    & skf21("7","7","6","3","3","4","2","1") = "6"
    & skf21("7","7","6","3","3","4","3","1") = "6"
    & skf21("7","7","6","3","3","4","4","1") = "6"
    & skf21("7","7","6","3","3","4","5","1") = "6"
    & skf21("7","7","6","3","3","4","6","1") = "6"
    & skf21("7","7","6","3","3","4","7","1") = "6"
    & skf21("7","7","6","3","3","5","1","1") = "6"
    & skf21("7","7","6","3","3","5","2","1") = "6"
    & skf21("7","7","6","3","3","5","3","1") = "6"
    & skf21("7","7","6","3","3","5","4","1") = "6"
    & skf21("7","7","6","3","3","5","5","1") = "6"
    & skf21("7","7","6","3","3","5","6","1") = "6"
    & skf21("7","7","6","3","3","5","7","1") = "6"
    & skf21("7","7","6","3","3","6","1","1") = "6"
    & skf21("7","7","6","3","3","6","2","1") = "6"
    & skf21("7","7","6","3","3","6","3","1") = "6"
    & skf21("7","7","6","3","3","6","4","1") = "6"
    & skf21("7","7","6","3","3","6","5","1") = "6"
    & skf21("7","7","6","3","3","6","6","1") = "6"
    & skf21("7","7","6","3","3","6","7","1") = "6"
    & skf21("7","7","6","3","3","7","1","1") = "6"
    & skf21("7","7","6","3","3","7","2","1") = "6"
    & skf21("7","7","6","3","3","7","3","1") = "6"
    & skf21("7","7","6","3","3","7","4","1") = "6"
    & skf21("7","7","6","3","3","7","5","1") = "6"
    & skf21("7","7","6","3","3","7","6","1") = "6"
    & skf21("7","7","6","3","3","7","7","1") = "6"
    & skf21("7","7","6","3","4","1","1","1") = "6"
    & skf21("7","7","6","3","4","1","2","1") = "6"
    & skf21("7","7","6","3","4","1","3","1") = "6"
    & skf21("7","7","6","3","4","1","4","1") = "6"
    & skf21("7","7","6","3","4","1","5","1") = "6"
    & skf21("7","7","6","3","4","1","6","1") = "6"
    & skf21("7","7","6","3","4","1","7","1") = "6"
    & skf21("7","7","6","3","4","2","1","1") = "6"
    & skf21("7","7","6","3","4","2","2","1") = "6"
    & skf21("7","7","6","3","4","2","3","1") = "6"
    & skf21("7","7","6","3","4","2","4","1") = "6"
    & skf21("7","7","6","3","4","2","5","1") = "6"
    & skf21("7","7","6","3","4","2","6","1") = "6"
    & skf21("7","7","6","3","4","2","7","1") = "6"
    & skf21("7","7","6","3","4","3","1","1") = "6"
    & skf21("7","7","6","3","4","3","2","1") = "6"
    & skf21("7","7","6","3","4","3","3","1") = "6"
    & skf21("7","7","6","3","4","3","4","1") = "6"
    & skf21("7","7","6","3","4","3","5","1") = "6"
    & skf21("7","7","6","3","4","3","6","1") = "6"
    & skf21("7","7","6","3","4","3","7","1") = "6"
    & skf21("7","7","6","3","4","4","1","1") = "6"
    & skf21("7","7","6","3","4","4","2","1") = "6"
    & skf21("7","7","6","3","4","4","3","1") = "6"
    & skf21("7","7","6","3","4","4","4","1") = "6"
    & skf21("7","7","6","3","4","4","5","1") = "6"
    & skf21("7","7","6","3","4","4","6","1") = "6"
    & skf21("7","7","6","3","4","4","7","1") = "6"
    & skf21("7","7","6","3","4","5","1","1") = "6"
    & skf21("7","7","6","3","4","5","2","1") = "6"
    & skf21("7","7","6","3","4","5","3","1") = "6"
    & skf21("7","7","6","3","4","5","4","1") = "6"
    & skf21("7","7","6","3","4","5","5","1") = "6"
    & skf21("7","7","6","3","4","5","6","1") = "6"
    & skf21("7","7","6","3","4","5","7","1") = "6"
    & skf21("7","7","6","3","4","6","1","1") = "6"
    & skf21("7","7","6","3","4","6","2","1") = "6"
    & skf21("7","7","6","3","4","6","3","1") = "6"
    & skf21("7","7","6","3","4","6","4","1") = "6"
    & skf21("7","7","6","3","4","6","5","1") = "6"
    & skf21("7","7","6","3","4","6","6","1") = "6"
    & skf21("7","7","6","3","4","6","7","1") = "6"
    & skf21("7","7","6","3","4","7","1","1") = "6"
    & skf21("7","7","6","3","4","7","2","1") = "6"
    & skf21("7","7","6","3","4","7","3","1") = "6"
    & skf21("7","7","6","3","4","7","4","1") = "6"
    & skf21("7","7","6","3","4","7","5","1") = "6"
    & skf21("7","7","6","3","4","7","6","1") = "6"
    & skf21("7","7","6","3","4","7","7","1") = "6"
    & skf21("7","7","6","3","5","1","1","1") = "6"
    & skf21("7","7","6","3","5","1","2","1") = "6"
    & skf21("7","7","6","3","5","1","3","1") = "6"
    & skf21("7","7","6","3","5","1","4","1") = "6"
    & skf21("7","7","6","3","5","1","5","1") = "6"
    & skf21("7","7","6","3","5","1","6","1") = "6"
    & skf21("7","7","6","3","5","1","7","1") = "6"
    & skf21("7","7","6","3","5","2","1","1") = "6"
    & skf21("7","7","6","3","5","2","2","1") = "6"
    & skf21("7","7","6","3","5","2","3","1") = "6"
    & skf21("7","7","6","3","5","2","4","1") = "6"
    & skf21("7","7","6","3","5","2","5","1") = "6"
    & skf21("7","7","6","3","5","2","6","1") = "6"
    & skf21("7","7","6","3","5","2","7","1") = "6"
    & skf21("7","7","6","3","5","3","1","1") = "6"
    & skf21("7","7","6","3","5","3","2","1") = "6"
    & skf21("7","7","6","3","5","3","3","1") = "6"
    & skf21("7","7","6","3","5","3","4","1") = "6"
    & skf21("7","7","6","3","5","3","5","1") = "6"
    & skf21("7","7","6","3","5","3","6","1") = "6"
    & skf21("7","7","6","3","5","3","7","1") = "6"
    & skf21("7","7","6","3","5","4","1","1") = "6"
    & skf21("7","7","6","3","5","4","2","1") = "6"
    & skf21("7","7","6","3","5","4","3","1") = "6"
    & skf21("7","7","6","3","5","4","4","1") = "6"
    & skf21("7","7","6","3","5","4","5","1") = "6"
    & skf21("7","7","6","3","5","4","6","1") = "6"
    & skf21("7","7","6","3","5","4","7","1") = "6"
    & skf21("7","7","6","3","5","5","1","1") = "6"
    & skf21("7","7","6","3","5","5","2","1") = "6"
    & skf21("7","7","6","3","5","5","3","1") = "6"
    & skf21("7","7","6","3","5","5","4","1") = "6"
    & skf21("7","7","6","3","5","5","5","1") = "6"
    & skf21("7","7","6","3","5","5","6","1") = "6"
    & skf21("7","7","6","3","5","5","7","1") = "6"
    & skf21("7","7","6","3","5","6","1","1") = "6"
    & skf21("7","7","6","3","5","6","2","1") = "6"
    & skf21("7","7","6","3","5","6","3","1") = "6"
    & skf21("7","7","6","3","5","6","4","1") = "6"
    & skf21("7","7","6","3","5","6","5","1") = "6"
    & skf21("7","7","6","3","5","6","6","1") = "6"
    & skf21("7","7","6","3","5","6","7","1") = "6"
    & skf21("7","7","6","3","5","7","1","1") = "6"
    & skf21("7","7","6","3","5","7","2","1") = "6"
    & skf21("7","7","6","3","5","7","3","1") = "6"
    & skf21("7","7","6","3","5","7","4","1") = "6"
    & skf21("7","7","6","3","5","7","5","1") = "6"
    & skf21("7","7","6","3","5","7","6","1") = "6"
    & skf21("7","7","6","3","5","7","7","1") = "6"
    & skf21("7","7","6","3","6","1","1","1") = "6"
    & skf21("7","7","6","3","6","1","2","1") = "6"
    & skf21("7","7","6","3","6","1","3","1") = "6"
    & skf21("7","7","6","3","6","1","4","1") = "6"
    & skf21("7","7","6","3","6","1","5","1") = "6"
    & skf21("7","7","6","3","6","1","6","1") = "6"
    & skf21("7","7","6","3","6","1","7","1") = "6"
    & skf21("7","7","6","3","6","2","1","1") = "6"
    & skf21("7","7","6","3","6","2","2","1") = "6"
    & skf21("7","7","6","3","6","2","3","1") = "6"
    & skf21("7","7","6","3","6","2","4","1") = "6"
    & skf21("7","7","6","3","6","2","5","1") = "6"
    & skf21("7","7","6","3","6","2","6","1") = "6"
    & skf21("7","7","6","3","6","2","7","1") = "6"
    & skf21("7","7","6","3","6","3","1","1") = "6"
    & skf21("7","7","6","3","6","3","2","1") = "6"
    & skf21("7","7","6","3","6","3","3","1") = "6"
    & skf21("7","7","6","3","6","3","4","1") = "6"
    & skf21("7","7","6","3","6","3","5","1") = "6"
    & skf21("7","7","6","3","6","3","6","1") = "6"
    & skf21("7","7","6","3","6","3","7","1") = "6"
    & skf21("7","7","6","3","6","4","1","1") = "6"
    & skf21("7","7","6","3","6","4","2","1") = "6"
    & skf21("7","7","6","3","6","4","3","1") = "6"
    & skf21("7","7","6","3","6","4","4","1") = "6"
    & skf21("7","7","6","3","6","4","5","1") = "6"
    & skf21("7","7","6","3","6","4","6","1") = "6"
    & skf21("7","7","6","3","6","4","7","1") = "6"
    & skf21("7","7","6","3","6","5","1","1") = "6"
    & skf21("7","7","6","3","6","5","2","1") = "6"
    & skf21("7","7","6","3","6","5","3","1") = "6"
    & skf21("7","7","6","3","6","5","4","1") = "6"
    & skf21("7","7","6","3","6","5","5","1") = "6"
    & skf21("7","7","6","3","6","5","6","1") = "6"
    & skf21("7","7","6","3","6","5","7","1") = "6"
    & skf21("7","7","6","3","6","6","1","1") = "6"
    & skf21("7","7","6","3","6","6","2","1") = "6"
    & skf21("7","7","6","3","6","6","3","1") = "6"
    & skf21("7","7","6","3","6","6","4","1") = "6"
    & skf21("7","7","6","3","6","6","5","1") = "6"
    & skf21("7","7","6","3","6","6","6","1") = "6"
    & skf21("7","7","6","3","6","6","7","1") = "6"
    & skf21("7","7","6","3","6","7","1","1") = "6"
    & skf21("7","7","6","3","6","7","2","1") = "6"
    & skf21("7","7","6","3","6","7","3","1") = "6"
    & skf21("7","7","6","3","6","7","4","1") = "6"
    & skf21("7","7","6","3","6","7","5","1") = "6"
    & skf21("7","7","6","3","6","7","6","1") = "6"
    & skf21("7","7","6","3","6","7","7","1") = "6"
    & skf21("7","7","6","3","7","1","1","1") = "6"
    & skf21("7","7","6","3","7","1","2","1") = "6"
    & skf21("7","7","6","3","7","1","3","1") = "6"
    & skf21("7","7","6","3","7","1","4","1") = "6"
    & skf21("7","7","6","3","7","1","5","1") = "6"
    & skf21("7","7","6","3","7","1","6","1") = "6"
    & skf21("7","7","6","3","7","1","7","1") = "6"
    & skf21("7","7","6","3","7","2","1","1") = "6"
    & skf21("7","7","6","3","7","2","2","1") = "6"
    & skf21("7","7","6","3","7","2","3","1") = "6"
    & skf21("7","7","6","3","7","2","4","1") = "6"
    & skf21("7","7","6","3","7","2","5","1") = "6"
    & skf21("7","7","6","3","7","2","6","1") = "6"
    & skf21("7","7","6","3","7","2","7","1") = "6"
    & skf21("7","7","6","3","7","3","1","1") = "6"
    & skf21("7","7","6","3","7","3","2","1") = "6"
    & skf21("7","7","6","3","7","3","3","1") = "6"
    & skf21("7","7","6","3","7","3","4","1") = "6"
    & skf21("7","7","6","3","7","3","5","1") = "6"
    & skf21("7","7","6","3","7","3","6","1") = "6"
    & skf21("7","7","6","3","7","3","7","1") = "6"
    & skf21("7","7","6","3","7","4","1","1") = "6"
    & skf21("7","7","6","3","7","4","2","1") = "6"
    & skf21("7","7","6","3","7","4","3","1") = "6"
    & skf21("7","7","6","3","7","4","4","1") = "6"
    & skf21("7","7","6","3","7","4","5","1") = "6"
    & skf21("7","7","6","3","7","4","6","1") = "6"
    & skf21("7","7","6","3","7","4","7","1") = "6"
    & skf21("7","7","6","3","7","5","1","1") = "6"
    & skf21("7","7","6","3","7","5","2","1") = "6"
    & skf21("7","7","6","3","7","5","3","1") = "6"
    & skf21("7","7","6","3","7","5","4","1") = "6"
    & skf21("7","7","6","3","7","5","5","1") = "6"
    & skf21("7","7","6","3","7","5","6","1") = "6"
    & skf21("7","7","6","3","7","5","7","1") = "6"
    & skf21("7","7","6","3","7","6","1","1") = "6"
    & skf21("7","7","6","3","7","6","2","1") = "6"
    & skf21("7","7","6","3","7","6","3","1") = "6"
    & skf21("7","7","6","3","7","6","4","1") = "6"
    & skf21("7","7","6","3","7","6","5","1") = "6"
    & skf21("7","7","6","3","7","6","6","1") = "6"
    & skf21("7","7","6","3","7","6","7","1") = "6"
    & skf21("7","7","6","3","7","7","1","1") = "6"
    & skf21("7","7","6","3","7","7","2","1") = "6"
    & skf21("7","7","6","3","7","7","3","1") = "6"
    & skf21("7","7","6","3","7","7","4","1") = "6"
    & skf21("7","7","6","3","7","7","5","1") = "6"
    & skf21("7","7","6","3","7","7","6","1") = "6"
    & skf21("7","7","6","3","7","7","7","1") = "6"
    & skf21("7","7","6","4","1","1","1","1") = "6"
    & skf21("7","7","6","4","1","1","2","1") = "6"
    & skf21("7","7","6","4","1","1","3","1") = "6"
    & skf21("7","7","6","4","1","1","4","1") = "6"
    & skf21("7","7","6","4","1","1","5","1") = "6"
    & skf21("7","7","6","4","1","1","6","1") = "6"
    & skf21("7","7","6","4","1","1","7","1") = "6"
    & skf21("7","7","6","4","1","2","1","1") = "6"
    & skf21("7","7","6","4","1","2","2","1") = "6"
    & skf21("7","7","6","4","1","2","3","1") = "6"
    & skf21("7","7","6","4","1","2","4","1") = "6"
    & skf21("7","7","6","4","1","2","5","1") = "6"
    & skf21("7","7","6","4","1","2","6","1") = "6"
    & skf21("7","7","6","4","1","2","7","1") = "6"
    & skf21("7","7","6","4","1","3","1","1") = "6"
    & skf21("7","7","6","4","1","3","2","1") = "6"
    & skf21("7","7","6","4","1","3","3","1") = "6"
    & skf21("7","7","6","4","1","3","4","1") = "6"
    & skf21("7","7","6","4","1","3","5","1") = "6"
    & skf21("7","7","6","4","1","3","6","1") = "6"
    & skf21("7","7","6","4","1","3","7","1") = "6"
    & skf21("7","7","6","4","1","4","1","1") = "6"
    & skf21("7","7","6","4","1","4","2","1") = "6"
    & skf21("7","7","6","4","1","4","3","1") = "6"
    & skf21("7","7","6","4","1","4","4","1") = "6"
    & skf21("7","7","6","4","1","4","5","1") = "6"
    & skf21("7","7","6","4","1","4","6","1") = "6"
    & skf21("7","7","6","4","1","4","7","1") = "6"
    & skf21("7","7","6","4","1","5","1","1") = "6"
    & skf21("7","7","6","4","1","5","2","1") = "6"
    & skf21("7","7","6","4","1","5","3","1") = "6"
    & skf21("7","7","6","4","1","5","4","1") = "6"
    & skf21("7","7","6","4","1","5","5","1") = "6"
    & skf21("7","7","6","4","1","5","6","1") = "6"
    & skf21("7","7","6","4","1","5","7","1") = "6"
    & skf21("7","7","6","4","1","6","1","1") = "6"
    & skf21("7","7","6","4","1","6","2","1") = "6"
    & skf21("7","7","6","4","1","6","3","1") = "6"
    & skf21("7","7","6","4","1","6","4","1") = "6"
    & skf21("7","7","6","4","1","6","5","1") = "6"
    & skf21("7","7","6","4","1","6","6","1") = "6"
    & skf21("7","7","6","4","1","6","7","1") = "6"
    & skf21("7","7","6","4","1","7","1","1") = "6"
    & skf21("7","7","6","4","1","7","2","1") = "6"
    & skf21("7","7","6","4","1","7","3","1") = "6"
    & skf21("7","7","6","4","1","7","4","1") = "6"
    & skf21("7","7","6","4","1","7","5","1") = "6"
    & skf21("7","7","6","4","1","7","6","1") = "6"
    & skf21("7","7","6","4","1","7","7","1") = "6"
    & skf21("7","7","6","4","2","1","1","1") = "6"
    & skf21("7","7","6","4","2","1","2","1") = "6"
    & skf21("7","7","6","4","2","1","3","1") = "6"
    & skf21("7","7","6","4","2","1","4","1") = "6"
    & skf21("7","7","6","4","2","1","5","1") = "6"
    & skf21("7","7","6","4","2","1","6","1") = "6"
    & skf21("7","7","6","4","2","1","7","1") = "6"
    & skf21("7","7","6","4","2","2","1","1") = "6"
    & skf21("7","7","6","4","2","2","2","1") = "6"
    & skf21("7","7","6","4","2","2","3","1") = "6"
    & skf21("7","7","6","4","2","2","4","1") = "6"
    & skf21("7","7","6","4","2","2","5","1") = "6"
    & skf21("7","7","6","4","2","2","6","1") = "6"
    & skf21("7","7","6","4","2","2","7","1") = "6"
    & skf21("7","7","6","4","2","3","1","1") = "6"
    & skf21("7","7","6","4","2","3","2","1") = "6"
    & skf21("7","7","6","4","2","3","3","1") = "6"
    & skf21("7","7","6","4","2","3","4","1") = "6"
    & skf21("7","7","6","4","2","3","5","1") = "6"
    & skf21("7","7","6","4","2","3","6","1") = "6"
    & skf21("7","7","6","4","2","3","7","1") = "6"
    & skf21("7","7","6","4","2","4","1","1") = "6"
    & skf21("7","7","6","4","2","4","2","1") = "6"
    & skf21("7","7","6","4","2","4","3","1") = "6"
    & skf21("7","7","6","4","2","4","4","1") = "6"
    & skf21("7","7","6","4","2","4","5","1") = "6"
    & skf21("7","7","6","4","2","4","6","1") = "6"
    & skf21("7","7","6","4","2","4","7","1") = "6"
    & skf21("7","7","6","4","2","5","1","1") = "6"
    & skf21("7","7","6","4","2","5","2","1") = "6"
    & skf21("7","7","6","4","2","5","3","1") = "6"
    & skf21("7","7","6","4","2","5","4","1") = "6"
    & skf21("7","7","6","4","2","5","5","1") = "6"
    & skf21("7","7","6","4","2","5","6","1") = "6"
    & skf21("7","7","6","4","2","5","7","1") = "6"
    & skf21("7","7","6","4","2","6","1","1") = "6"
    & skf21("7","7","6","4","2","6","2","1") = "6"
    & skf21("7","7","6","4","2","6","3","1") = "6"
    & skf21("7","7","6","4","2","6","4","1") = "6"
    & skf21("7","7","6","4","2","6","5","1") = "6"
    & skf21("7","7","6","4","2","6","6","1") = "6"
    & skf21("7","7","6","4","2","6","7","1") = "6"
    & skf21("7","7","6","4","2","7","1","1") = "6"
    & skf21("7","7","6","4","2","7","2","1") = "6"
    & skf21("7","7","6","4","2","7","3","1") = "6"
    & skf21("7","7","6","4","2","7","4","1") = "6"
    & skf21("7","7","6","4","2","7","5","1") = "6"
    & skf21("7","7","6","4","2","7","6","1") = "6"
    & skf21("7","7","6","4","2","7","7","1") = "6"
    & skf21("7","7","6","4","3","1","1","1") = "6"
    & skf21("7","7","6","4","3","1","2","1") = "6"
    & skf21("7","7","6","4","3","1","3","1") = "6"
    & skf21("7","7","6","4","3","1","4","1") = "6"
    & skf21("7","7","6","4","3","1","5","1") = "6"
    & skf21("7","7","6","4","3","1","6","1") = "6"
    & skf21("7","7","6","4","3","1","7","1") = "6"
    & skf21("7","7","6","4","3","2","1","1") = "6"
    & skf21("7","7","6","4","3","2","2","1") = "6"
    & skf21("7","7","6","4","3","2","3","1") = "6"
    & skf21("7","7","6","4","3","2","4","1") = "6"
    & skf21("7","7","6","4","3","2","5","1") = "6"
    & skf21("7","7","6","4","3","2","6","1") = "6"
    & skf21("7","7","6","4","3","2","7","1") = "6"
    & skf21("7","7","6","4","3","3","1","1") = "6"
    & skf21("7","7","6","4","3","3","2","1") = "6"
    & skf21("7","7","6","4","3","3","3","1") = "6"
    & skf21("7","7","6","4","3","3","4","1") = "6"
    & skf21("7","7","6","4","3","3","5","1") = "6"
    & skf21("7","7","6","4","3","3","6","1") = "6"
    & skf21("7","7","6","4","3","3","7","1") = "6"
    & skf21("7","7","6","4","3","4","1","1") = "6"
    & skf21("7","7","6","4","3","4","2","1") = "6"
    & skf21("7","7","6","4","3","4","3","1") = "6"
    & skf21("7","7","6","4","3","4","4","1") = "6"
    & skf21("7","7","6","4","3","4","5","1") = "6"
    & skf21("7","7","6","4","3","4","6","1") = "6"
    & skf21("7","7","6","4","3","4","7","1") = "6"
    & skf21("7","7","6","4","3","5","1","1") = "6"
    & skf21("7","7","6","4","3","5","2","1") = "6"
    & skf21("7","7","6","4","3","5","3","1") = "6"
    & skf21("7","7","6","4","3","5","4","1") = "6"
    & skf21("7","7","6","4","3","5","5","1") = "6"
    & skf21("7","7","6","4","3","5","6","1") = "6"
    & skf21("7","7","6","4","3","5","7","1") = "6"
    & skf21("7","7","6","4","3","6","1","1") = "6"
    & skf21("7","7","6","4","3","6","2","1") = "6"
    & skf21("7","7","6","4","3","6","3","1") = "6"
    & skf21("7","7","6","4","3","6","4","1") = "6"
    & skf21("7","7","6","4","3","6","5","1") = "6"
    & skf21("7","7","6","4","3","6","6","1") = "6"
    & skf21("7","7","6","4","3","6","7","1") = "6"
    & skf21("7","7","6","4","3","7","1","1") = "6"
    & skf21("7","7","6","4","3","7","2","1") = "6"
    & skf21("7","7","6","4","3","7","3","1") = "6"
    & skf21("7","7","6","4","3","7","4","1") = "6"
    & skf21("7","7","6","4","3","7","5","1") = "6"
    & skf21("7","7","6","4","3","7","6","1") = "6"
    & skf21("7","7","6","4","3","7","7","1") = "6"
    & skf21("7","7","6","4","4","1","1","1") = "6"
    & skf21("7","7","6","4","4","1","2","1") = "6"
    & skf21("7","7","6","4","4","1","3","1") = "6"
    & skf21("7","7","6","4","4","1","4","1") = "6"
    & skf21("7","7","6","4","4","1","5","1") = "6"
    & skf21("7","7","6","4","4","1","6","1") = "6"
    & skf21("7","7","6","4","4","1","7","1") = "6"
    & skf21("7","7","6","4","4","2","1","1") = "6"
    & skf21("7","7","6","4","4","2","2","1") = "6"
    & skf21("7","7","6","4","4","2","3","1") = "6"
    & skf21("7","7","6","4","4","2","4","1") = "6"
    & skf21("7","7","6","4","4","2","5","1") = "6"
    & skf21("7","7","6","4","4","2","6","1") = "6"
    & skf21("7","7","6","4","4","2","7","1") = "6"
    & skf21("7","7","6","4","4","3","1","1") = "6"
    & skf21("7","7","6","4","4","3","2","1") = "6"
    & skf21("7","7","6","4","4","3","3","1") = "6"
    & skf21("7","7","6","4","4","3","4","1") = "6"
    & skf21("7","7","6","4","4","3","5","1") = "6"
    & skf21("7","7","6","4","4","3","6","1") = "6"
    & skf21("7","7","6","4","4","3","7","1") = "6"
    & skf21("7","7","6","4","4","4","1","1") = "6"
    & skf21("7","7","6","4","4","4","2","1") = "6"
    & skf21("7","7","6","4","4","4","3","1") = "6"
    & skf21("7","7","6","4","4","4","4","1") = "6"
    & skf21("7","7","6","4","4","4","5","1") = "6"
    & skf21("7","7","6","4","4","4","6","1") = "6"
    & skf21("7","7","6","4","4","4","7","1") = "6"
    & skf21("7","7","6","4","4","5","1","1") = "6"
    & skf21("7","7","6","4","4","5","2","1") = "6"
    & skf21("7","7","6","4","4","5","3","1") = "6"
    & skf21("7","7","6","4","4","5","4","1") = "6"
    & skf21("7","7","6","4","4","5","5","1") = "6"
    & skf21("7","7","6","4","4","5","6","1") = "6"
    & skf21("7","7","6","4","4","5","7","1") = "6"
    & skf21("7","7","6","4","4","6","1","1") = "6"
    & skf21("7","7","6","4","4","6","2","1") = "6"
    & skf21("7","7","6","4","4","6","3","1") = "6"
    & skf21("7","7","6","4","4","6","4","1") = "6"
    & skf21("7","7","6","4","4","6","5","1") = "6"
    & skf21("7","7","6","4","4","6","6","1") = "6"
    & skf21("7","7","6","4","4","6","7","1") = "6"
    & skf21("7","7","6","4","4","7","1","1") = "6"
    & skf21("7","7","6","4","4","7","2","1") = "6"
    & skf21("7","7","6","4","4","7","3","1") = "6"
    & skf21("7","7","6","4","4","7","4","1") = "6"
    & skf21("7","7","6","4","4","7","5","1") = "6"
    & skf21("7","7","6","4","4","7","6","1") = "6"
    & skf21("7","7","6","4","4","7","7","1") = "6"
    & skf21("7","7","6","4","5","1","1","1") = "6"
    & skf21("7","7","6","4","5","1","2","1") = "6"
    & skf21("7","7","6","4","5","1","3","1") = "6"
    & skf21("7","7","6","4","5","1","4","1") = "6"
    & skf21("7","7","6","4","5","1","5","1") = "6"
    & skf21("7","7","6","4","5","1","6","1") = "6"
    & skf21("7","7","6","4","5","1","7","1") = "6"
    & skf21("7","7","6","4","5","2","1","1") = "6"
    & skf21("7","7","6","4","5","2","2","1") = "6"
    & skf21("7","7","6","4","5","2","3","1") = "6"
    & skf21("7","7","6","4","5","2","4","1") = "6"
    & skf21("7","7","6","4","5","2","5","1") = "6"
    & skf21("7","7","6","4","5","2","6","1") = "6"
    & skf21("7","7","6","4","5","2","7","1") = "6"
    & skf21("7","7","6","4","5","3","1","1") = "6"
    & skf21("7","7","6","4","5","3","2","1") = "6"
    & skf21("7","7","6","4","5","3","3","1") = "6"
    & skf21("7","7","6","4","5","3","4","1") = "6"
    & skf21("7","7","6","4","5","3","5","1") = "6"
    & skf21("7","7","6","4","5","3","6","1") = "6"
    & skf21("7","7","6","4","5","3","7","1") = "6"
    & skf21("7","7","6","4","5","4","1","1") = "6"
    & skf21("7","7","6","4","5","4","2","1") = "6"
    & skf21("7","7","6","4","5","4","3","1") = "6"
    & skf21("7","7","6","4","5","4","4","1") = "6"
    & skf21("7","7","6","4","5","4","5","1") = "6"
    & skf21("7","7","6","4","5","4","6","1") = "6"
    & skf21("7","7","6","4","5","4","7","1") = "6"
    & skf21("7","7","6","4","5","5","1","1") = "6"
    & skf21("7","7","6","4","5","5","2","1") = "6"
    & skf21("7","7","6","4","5","5","3","1") = "6"
    & skf21("7","7","6","4","5","5","4","1") = "6"
    & skf21("7","7","6","4","5","5","5","1") = "6"
    & skf21("7","7","6","4","5","5","6","1") = "6"
    & skf21("7","7","6","4","5","5","7","1") = "6"
    & skf21("7","7","6","4","5","6","1","1") = "6"
    & skf21("7","7","6","4","5","6","2","1") = "6"
    & skf21("7","7","6","4","5","6","3","1") = "6"
    & skf21("7","7","6","4","5","6","4","1") = "6"
    & skf21("7","7","6","4","5","6","5","1") = "6"
    & skf21("7","7","6","4","5","6","6","1") = "6"
    & skf21("7","7","6","4","5","6","7","1") = "6"
    & skf21("7","7","6","4","5","7","1","1") = "6"
    & skf21("7","7","6","4","5","7","2","1") = "6"
    & skf21("7","7","6","4","5","7","3","1") = "6"
    & skf21("7","7","6","4","5","7","4","1") = "6"
    & skf21("7","7","6","4","5","7","5","1") = "6"
    & skf21("7","7","6","4","5","7","6","1") = "6"
    & skf21("7","7","6","4","5","7","7","1") = "6"
    & skf21("7","7","6","4","6","1","1","1") = "6"
    & skf21("7","7","6","4","6","1","2","1") = "6"
    & skf21("7","7","6","4","6","1","3","1") = "6"
    & skf21("7","7","6","4","6","1","4","1") = "6"
    & skf21("7","7","6","4","6","1","5","1") = "6"
    & skf21("7","7","6","4","6","1","6","1") = "6"
    & skf21("7","7","6","4","6","1","7","1") = "6"
    & skf21("7","7","6","4","6","2","1","1") = "6"
    & skf21("7","7","6","4","6","2","2","1") = "6"
    & skf21("7","7","6","4","6","2","3","1") = "6"
    & skf21("7","7","6","4","6","2","4","1") = "6"
    & skf21("7","7","6","4","6","2","5","1") = "6"
    & skf21("7","7","6","4","6","2","6","1") = "6"
    & skf21("7","7","6","4","6","2","7","1") = "6"
    & skf21("7","7","6","4","6","3","1","1") = "6"
    & skf21("7","7","6","4","6","3","2","1") = "6"
    & skf21("7","7","6","4","6","3","3","1") = "6"
    & skf21("7","7","6","4","6","3","4","1") = "6"
    & skf21("7","7","6","4","6","3","5","1") = "6"
    & skf21("7","7","6","4","6","3","6","1") = "6"
    & skf21("7","7","6","4","6","3","7","1") = "6"
    & skf21("7","7","6","4","6","4","1","1") = "6"
    & skf21("7","7","6","4","6","4","2","1") = "6"
    & skf21("7","7","6","4","6","4","3","1") = "6"
    & skf21("7","7","6","4","6","4","4","1") = "6"
    & skf21("7","7","6","4","6","4","5","1") = "6"
    & skf21("7","7","6","4","6","4","6","1") = "6"
    & skf21("7","7","6","4","6","4","7","1") = "6"
    & skf21("7","7","6","4","6","5","1","1") = "6"
    & skf21("7","7","6","4","6","5","2","1") = "6"
    & skf21("7","7","6","4","6","5","3","1") = "6"
    & skf21("7","7","6","4","6","5","4","1") = "6"
    & skf21("7","7","6","4","6","5","5","1") = "6"
    & skf21("7","7","6","4","6","5","6","1") = "6"
    & skf21("7","7","6","4","6","5","7","1") = "6"
    & skf21("7","7","6","4","6","6","1","1") = "6"
    & skf21("7","7","6","4","6","6","2","1") = "6"
    & skf21("7","7","6","4","6","6","3","1") = "6"
    & skf21("7","7","6","4","6","6","4","1") = "6"
    & skf21("7","7","6","4","6","6","5","1") = "6"
    & skf21("7","7","6","4","6","6","6","1") = "6"
    & skf21("7","7","6","4","6","6","7","1") = "6"
    & skf21("7","7","6","4","6","7","1","1") = "6"
    & skf21("7","7","6","4","6","7","2","1") = "6"
    & skf21("7","7","6","4","6","7","3","1") = "6"
    & skf21("7","7","6","4","6","7","4","1") = "6"
    & skf21("7","7","6","4","6","7","5","1") = "6"
    & skf21("7","7","6","4","6","7","6","1") = "6"
    & skf21("7","7","6","4","6","7","7","1") = "6"
    & skf21("7","7","6","4","7","1","1","1") = "6"
    & skf21("7","7","6","4","7","1","2","1") = "6"
    & skf21("7","7","6","4","7","1","3","1") = "6"
    & skf21("7","7","6","4","7","1","4","1") = "6"
    & skf21("7","7","6","4","7","1","5","1") = "6"
    & skf21("7","7","6","4","7","1","6","1") = "6"
    & skf21("7","7","6","4","7","1","7","1") = "6"
    & skf21("7","7","6","4","7","2","1","1") = "6"
    & skf21("7","7","6","4","7","2","2","1") = "6"
    & skf21("7","7","6","4","7","2","3","1") = "6"
    & skf21("7","7","6","4","7","2","4","1") = "6"
    & skf21("7","7","6","4","7","2","5","1") = "6"
    & skf21("7","7","6","4","7","2","6","1") = "6"
    & skf21("7","7","6","4","7","2","7","1") = "6"
    & skf21("7","7","6","4","7","3","1","1") = "6"
    & skf21("7","7","6","4","7","3","2","1") = "6"
    & skf21("7","7","6","4","7","3","3","1") = "6"
    & skf21("7","7","6","4","7","3","4","1") = "6"
    & skf21("7","7","6","4","7","3","5","1") = "6"
    & skf21("7","7","6","4","7","3","6","1") = "6"
    & skf21("7","7","6","4","7","3","7","1") = "6"
    & skf21("7","7","6","4","7","4","1","1") = "6"
    & skf21("7","7","6","4","7","4","2","1") = "6"
    & skf21("7","7","6","4","7","4","3","1") = "6"
    & skf21("7","7","6","4","7","4","4","1") = "6"
    & skf21("7","7","6","4","7","4","5","1") = "6"
    & skf21("7","7","6","4","7","4","6","1") = "6"
    & skf21("7","7","6","4","7","4","7","1") = "6"
    & skf21("7","7","6","4","7","5","1","1") = "6"
    & skf21("7","7","6","4","7","5","2","1") = "6"
    & skf21("7","7","6","4","7","5","3","1") = "6"
    & skf21("7","7","6","4","7","5","4","1") = "6"
    & skf21("7","7","6","4","7","5","5","1") = "6"
    & skf21("7","7","6","4","7","5","6","1") = "6"
    & skf21("7","7","6","4","7","5","7","1") = "6"
    & skf21("7","7","6","4","7","6","1","1") = "6"
    & skf21("7","7","6","4","7","6","2","1") = "6"
    & skf21("7","7","6","4","7","6","3","1") = "6"
    & skf21("7","7","6","4","7","6","4","1") = "6"
    & skf21("7","7","6","4","7","6","5","1") = "6"
    & skf21("7","7","6","4","7","6","6","1") = "6"
    & skf21("7","7","6","4","7","6","7","1") = "6"
    & skf21("7","7","6","4","7","7","1","1") = "6"
    & skf21("7","7","6","4","7","7","2","1") = "6"
    & skf21("7","7","6","4","7","7","3","1") = "6"
    & skf21("7","7","6","4","7","7","4","1") = "6"
    & skf21("7","7","6","4","7","7","5","1") = "6"
    & skf21("7","7","6","4","7","7","6","1") = "6"
    & skf21("7","7","6","4","7","7","7","1") = "6"
    & skf21("7","7","6","5","1","1","1","1") = "6"
    & skf21("7","7","6","5","1","1","2","1") = "6"
    & skf21("7","7","6","5","1","1","3","1") = "6"
    & skf21("7","7","6","5","1","1","4","1") = "6"
    & skf21("7","7","6","5","1","1","5","1") = "6"
    & skf21("7","7","6","5","1","1","6","1") = "6"
    & skf21("7","7","6","5","1","1","7","1") = "6"
    & skf21("7","7","6","5","1","2","1","1") = "6"
    & skf21("7","7","6","5","1","2","2","1") = "6"
    & skf21("7","7","6","5","1","2","3","1") = "6"
    & skf21("7","7","6","5","1","2","4","1") = "6"
    & skf21("7","7","6","5","1","2","5","1") = "6"
    & skf21("7","7","6","5","1","2","6","1") = "6"
    & skf21("7","7","6","5","1","2","7","1") = "6"
    & skf21("7","7","6","5","1","3","1","1") = "6"
    & skf21("7","7","6","5","1","3","2","1") = "6"
    & skf21("7","7","6","5","1","3","3","1") = "6"
    & skf21("7","7","6","5","1","3","4","1") = "6"
    & skf21("7","7","6","5","1","3","5","1") = "6"
    & skf21("7","7","6","5","1","3","6","1") = "6"
    & skf21("7","7","6","5","1","3","7","1") = "6"
    & skf21("7","7","6","5","1","4","1","1") = "6"
    & skf21("7","7","6","5","1","4","2","1") = "6"
    & skf21("7","7","6","5","1","4","3","1") = "6"
    & skf21("7","7","6","5","1","4","4","1") = "6"
    & skf21("7","7","6","5","1","4","5","1") = "6"
    & skf21("7","7","6","5","1","4","6","1") = "6"
    & skf21("7","7","6","5","1","4","7","1") = "6"
    & skf21("7","7","6","5","1","5","1","1") = "6"
    & skf21("7","7","6","5","1","5","2","1") = "6"
    & skf21("7","7","6","5","1","5","3","1") = "6"
    & skf21("7","7","6","5","1","5","4","1") = "6"
    & skf21("7","7","6","5","1","5","5","1") = "6"
    & skf21("7","7","6","5","1","5","6","1") = "6"
    & skf21("7","7","6","5","1","5","7","1") = "6"
    & skf21("7","7","6","5","1","6","1","1") = "6"
    & skf21("7","7","6","5","1","6","2","1") = "6"
    & skf21("7","7","6","5","1","6","3","1") = "6"
    & skf21("7","7","6","5","1","6","4","1") = "6"
    & skf21("7","7","6","5","1","6","5","1") = "6"
    & skf21("7","7","6","5","1","6","6","1") = "6"
    & skf21("7","7","6","5","1","6","7","1") = "6"
    & skf21("7","7","6","5","1","7","1","1") = "6"
    & skf21("7","7","6","5","1","7","2","1") = "6"
    & skf21("7","7","6","5","1","7","3","1") = "6"
    & skf21("7","7","6","5","1","7","4","1") = "6"
    & skf21("7","7","6","5","1","7","5","1") = "6"
    & skf21("7","7","6","5","1","7","6","1") = "6"
    & skf21("7","7","6","5","1","7","7","1") = "6"
    & skf21("7","7","6","5","2","1","1","1") = "6"
    & skf21("7","7","6","5","2","1","2","1") = "6"
    & skf21("7","7","6","5","2","1","3","1") = "6"
    & skf21("7","7","6","5","2","1","4","1") = "6"
    & skf21("7","7","6","5","2","1","5","1") = "6"
    & skf21("7","7","6","5","2","1","6","1") = "6"
    & skf21("7","7","6","5","2","1","7","1") = "6"
    & skf21("7","7","6","5","2","2","1","1") = "6"
    & skf21("7","7","6","5","2","2","2","1") = "6"
    & skf21("7","7","6","5","2","2","3","1") = "6"
    & skf21("7","7","6","5","2","2","4","1") = "6"
    & skf21("7","7","6","5","2","2","5","1") = "6"
    & skf21("7","7","6","5","2","2","6","1") = "6"
    & skf21("7","7","6","5","2","2","7","1") = "6"
    & skf21("7","7","6","5","2","3","1","1") = "6"
    & skf21("7","7","6","5","2","3","2","1") = "6"
    & skf21("7","7","6","5","2","3","3","1") = "6"
    & skf21("7","7","6","5","2","3","4","1") = "6"
    & skf21("7","7","6","5","2","3","5","1") = "6"
    & skf21("7","7","6","5","2","3","6","1") = "6"
    & skf21("7","7","6","5","2","3","7","1") = "6"
    & skf21("7","7","6","5","2","4","1","1") = "6"
    & skf21("7","7","6","5","2","4","2","1") = "6"
    & skf21("7","7","6","5","2","4","3","1") = "6"
    & skf21("7","7","6","5","2","4","4","1") = "6"
    & skf21("7","7","6","5","2","4","5","1") = "6"
    & skf21("7","7","6","5","2","4","6","1") = "6"
    & skf21("7","7","6","5","2","4","7","1") = "6"
    & skf21("7","7","6","5","2","5","1","1") = "6"
    & skf21("7","7","6","5","2","5","2","1") = "6"
    & skf21("7","7","6","5","2","5","3","1") = "6"
    & skf21("7","7","6","5","2","5","4","1") = "6"
    & skf21("7","7","6","5","2","5","5","1") = "6"
    & skf21("7","7","6","5","2","5","6","1") = "6"
    & skf21("7","7","6","5","2","5","7","1") = "6"
    & skf21("7","7","6","5","2","6","1","1") = "6"
    & skf21("7","7","6","5","2","6","2","1") = "6"
    & skf21("7","7","6","5","2","6","3","1") = "6"
    & skf21("7","7","6","5","2","6","4","1") = "6"
    & skf21("7","7","6","5","2","6","5","1") = "6"
    & skf21("7","7","6","5","2","6","6","1") = "6"
    & skf21("7","7","6","5","2","6","7","1") = "6"
    & skf21("7","7","6","5","2","7","1","1") = "6"
    & skf21("7","7","6","5","2","7","2","1") = "6"
    & skf21("7","7","6","5","2","7","3","1") = "6"
    & skf21("7","7","6","5","2","7","4","1") = "6"
    & skf21("7","7","6","5","2","7","5","1") = "6"
    & skf21("7","7","6","5","2","7","6","1") = "6"
    & skf21("7","7","6","5","2","7","7","1") = "6"
    & skf21("7","7","6","5","3","1","1","1") = "6"
    & skf21("7","7","6","5","3","1","2","1") = "6"
    & skf21("7","7","6","5","3","1","3","1") = "6"
    & skf21("7","7","6","5","3","1","4","1") = "6"
    & skf21("7","7","6","5","3","1","5","1") = "6"
    & skf21("7","7","6","5","3","1","6","1") = "6"
    & skf21("7","7","6","5","3","1","7","1") = "6"
    & skf21("7","7","6","5","3","2","1","1") = "6"
    & skf21("7","7","6","5","3","2","2","1") = "6"
    & skf21("7","7","6","5","3","2","3","1") = "6"
    & skf21("7","7","6","5","3","2","4","1") = "6"
    & skf21("7","7","6","5","3","2","5","1") = "6"
    & skf21("7","7","6","5","3","2","6","1") = "6"
    & skf21("7","7","6","5","3","2","7","1") = "6"
    & skf21("7","7","6","5","3","3","1","1") = "6"
    & skf21("7","7","6","5","3","3","2","1") = "6"
    & skf21("7","7","6","5","3","3","3","1") = "6"
    & skf21("7","7","6","5","3","3","4","1") = "6"
    & skf21("7","7","6","5","3","3","5","1") = "6"
    & skf21("7","7","6","5","3","3","6","1") = "6"
    & skf21("7","7","6","5","3","3","7","1") = "6"
    & skf21("7","7","6","5","3","4","1","1") = "6"
    & skf21("7","7","6","5","3","4","2","1") = "6"
    & skf21("7","7","6","5","3","4","3","1") = "6"
    & skf21("7","7","6","5","3","4","4","1") = "6"
    & skf21("7","7","6","5","3","4","5","1") = "6"
    & skf21("7","7","6","5","3","4","6","1") = "6"
    & skf21("7","7","6","5","3","4","7","1") = "6"
    & skf21("7","7","6","5","3","5","1","1") = "6"
    & skf21("7","7","6","5","3","5","2","1") = "6"
    & skf21("7","7","6","5","3","5","3","1") = "6"
    & skf21("7","7","6","5","3","5","4","1") = "6"
    & skf21("7","7","6","5","3","5","5","1") = "6"
    & skf21("7","7","6","5","3","5","6","1") = "6"
    & skf21("7","7","6","5","3","5","7","1") = "6"
    & skf21("7","7","6","5","3","6","1","1") = "6"
    & skf21("7","7","6","5","3","6","2","1") = "6"
    & skf21("7","7","6","5","3","6","3","1") = "6"
    & skf21("7","7","6","5","3","6","4","1") = "6"
    & skf21("7","7","6","5","3","6","5","1") = "6"
    & skf21("7","7","6","5","3","6","6","1") = "6"
    & skf21("7","7","6","5","3","6","7","1") = "6"
    & skf21("7","7","6","5","3","7","1","1") = "6"
    & skf21("7","7","6","5","3","7","2","1") = "6"
    & skf21("7","7","6","5","3","7","3","1") = "6"
    & skf21("7","7","6","5","3","7","4","1") = "6"
    & skf21("7","7","6","5","3","7","5","1") = "6"
    & skf21("7","7","6","5","3","7","6","1") = "6"
    & skf21("7","7","6","5","3","7","7","1") = "6"
    & skf21("7","7","6","5","4","1","1","1") = "6"
    & skf21("7","7","6","5","4","1","2","1") = "6"
    & skf21("7","7","6","5","4","1","3","1") = "6"
    & skf21("7","7","6","5","4","1","4","1") = "6"
    & skf21("7","7","6","5","4","1","5","1") = "6"
    & skf21("7","7","6","5","4","1","6","1") = "6"
    & skf21("7","7","6","5","4","1","7","1") = "6"
    & skf21("7","7","6","5","4","2","1","1") = "6"
    & skf21("7","7","6","5","4","2","2","1") = "6"
    & skf21("7","7","6","5","4","2","3","1") = "6"
    & skf21("7","7","6","5","4","2","4","1") = "6"
    & skf21("7","7","6","5","4","2","5","1") = "6"
    & skf21("7","7","6","5","4","2","6","1") = "6"
    & skf21("7","7","6","5","4","2","7","1") = "6"
    & skf21("7","7","6","5","4","3","1","1") = "6"
    & skf21("7","7","6","5","4","3","2","1") = "6"
    & skf21("7","7","6","5","4","3","3","1") = "6"
    & skf21("7","7","6","5","4","3","4","1") = "6"
    & skf21("7","7","6","5","4","3","5","1") = "6"
    & skf21("7","7","6","5","4","3","6","1") = "6"
    & skf21("7","7","6","5","4","3","7","1") = "6"
    & skf21("7","7","6","5","4","4","1","1") = "6"
    & skf21("7","7","6","5","4","4","2","1") = "6"
    & skf21("7","7","6","5","4","4","3","1") = "6"
    & skf21("7","7","6","5","4","4","4","1") = "6"
    & skf21("7","7","6","5","4","4","5","1") = "6"
    & skf21("7","7","6","5","4","4","6","1") = "6"
    & skf21("7","7","6","5","4","4","7","1") = "6"
    & skf21("7","7","6","5","4","5","1","1") = "6"
    & skf21("7","7","6","5","4","5","2","1") = "6"
    & skf21("7","7","6","5","4","5","3","1") = "6"
    & skf21("7","7","6","5","4","5","4","1") = "6"
    & skf21("7","7","6","5","4","5","5","1") = "6"
    & skf21("7","7","6","5","4","5","6","1") = "6"
    & skf21("7","7","6","5","4","5","7","1") = "6"
    & skf21("7","7","6","5","4","6","1","1") = "6"
    & skf21("7","7","6","5","4","6","2","1") = "6"
    & skf21("7","7","6","5","4","6","3","1") = "6"
    & skf21("7","7","6","5","4","6","4","1") = "6"
    & skf21("7","7","6","5","4","6","5","1") = "6"
    & skf21("7","7","6","5","4","6","6","1") = "6"
    & skf21("7","7","6","5","4","6","7","1") = "6"
    & skf21("7","7","6","5","4","7","1","1") = "6"
    & skf21("7","7","6","5","4","7","2","1") = "6"
    & skf21("7","7","6","5","4","7","3","1") = "6"
    & skf21("7","7","6","5","4","7","4","1") = "6"
    & skf21("7","7","6","5","4","7","5","1") = "6"
    & skf21("7","7","6","5","4","7","6","1") = "6"
    & skf21("7","7","6","5","4","7","7","1") = "6"
    & skf21("7","7","6","5","5","1","1","1") = "6"
    & skf21("7","7","6","5","5","1","2","1") = "6"
    & skf21("7","7","6","5","5","1","3","1") = "6"
    & skf21("7","7","6","5","5","1","4","1") = "6"
    & skf21("7","7","6","5","5","1","5","1") = "6"
    & skf21("7","7","6","5","5","1","6","1") = "6"
    & skf21("7","7","6","5","5","1","7","1") = "6"
    & skf21("7","7","6","5","5","2","1","1") = "6"
    & skf21("7","7","6","5","5","2","2","1") = "6"
    & skf21("7","7","6","5","5","2","3","1") = "6"
    & skf21("7","7","6","5","5","2","4","1") = "6"
    & skf21("7","7","6","5","5","2","5","1") = "6"
    & skf21("7","7","6","5","5","2","6","1") = "6"
    & skf21("7","7","6","5","5","2","7","1") = "6"
    & skf21("7","7","6","5","5","3","1","1") = "6"
    & skf21("7","7","6","5","5","3","2","1") = "6"
    & skf21("7","7","6","5","5","3","3","1") = "6"
    & skf21("7","7","6","5","5","3","4","1") = "6"
    & skf21("7","7","6","5","5","3","5","1") = "6"
    & skf21("7","7","6","5","5","3","6","1") = "6"
    & skf21("7","7","6","5","5","3","7","1") = "6"
    & skf21("7","7","6","5","5","4","1","1") = "6"
    & skf21("7","7","6","5","5","4","2","1") = "6"
    & skf21("7","7","6","5","5","4","3","1") = "6"
    & skf21("7","7","6","5","5","4","4","1") = "6"
    & skf21("7","7","6","5","5","4","5","1") = "6"
    & skf21("7","7","6","5","5","4","6","1") = "6"
    & skf21("7","7","6","5","5","4","7","1") = "6"
    & skf21("7","7","6","5","5","5","1","1") = "6"
    & skf21("7","7","6","5","5","5","2","1") = "6"
    & skf21("7","7","6","5","5","5","3","1") = "6"
    & skf21("7","7","6","5","5","5","4","1") = "6"
    & skf21("7","7","6","5","5","5","5","1") = "6"
    & skf21("7","7","6","5","5","5","6","1") = "6"
    & skf21("7","7","6","5","5","5","7","1") = "6"
    & skf21("7","7","6","5","5","6","1","1") = "6"
    & skf21("7","7","6","5","5","6","2","1") = "6"
    & skf21("7","7","6","5","5","6","3","1") = "6"
    & skf21("7","7","6","5","5","6","4","1") = "6"
    & skf21("7","7","6","5","5","6","5","1") = "6"
    & skf21("7","7","6","5","5","6","6","1") = "6"
    & skf21("7","7","6","5","5","6","7","1") = "6"
    & skf21("7","7","6","5","5","7","1","1") = "6"
    & skf21("7","7","6","5","5","7","2","1") = "6"
    & skf21("7","7","6","5","5","7","3","1") = "6"
    & skf21("7","7","6","5","5","7","4","1") = "6"
    & skf21("7","7","6","5","5","7","5","1") = "6"
    & skf21("7","7","6","5","5","7","6","1") = "6"
    & skf21("7","7","6","5","5","7","7","1") = "6"
    & skf21("7","7","6","5","6","1","1","1") = "6"
    & skf21("7","7","6","5","6","1","2","1") = "6"
    & skf21("7","7","6","5","6","1","3","1") = "6"
    & skf21("7","7","6","5","6","1","4","1") = "6"
    & skf21("7","7","6","5","6","1","5","1") = "6"
    & skf21("7","7","6","5","6","1","6","1") = "6"
    & skf21("7","7","6","5","6","1","7","1") = "6"
    & skf21("7","7","6","5","6","2","1","1") = "6"
    & skf21("7","7","6","5","6","2","2","1") = "6"
    & skf21("7","7","6","5","6","2","3","1") = "6"
    & skf21("7","7","6","5","6","2","4","1") = "6"
    & skf21("7","7","6","5","6","2","5","1") = "6"
    & skf21("7","7","6","5","6","2","6","1") = "6"
    & skf21("7","7","6","5","6","2","7","1") = "6"
    & skf21("7","7","6","5","6","3","1","1") = "6"
    & skf21("7","7","6","5","6","3","2","1") = "6"
    & skf21("7","7","6","5","6","3","3","1") = "6"
    & skf21("7","7","6","5","6","3","4","1") = "6"
    & skf21("7","7","6","5","6","3","5","1") = "6"
    & skf21("7","7","6","5","6","3","6","1") = "6"
    & skf21("7","7","6","5","6","3","7","1") = "6"
    & skf21("7","7","6","5","6","4","1","1") = "6"
    & skf21("7","7","6","5","6","4","2","1") = "6"
    & skf21("7","7","6","5","6","4","3","1") = "6"
    & skf21("7","7","6","5","6","4","4","1") = "6"
    & skf21("7","7","6","5","6","4","5","1") = "6"
    & skf21("7","7","6","5","6","4","6","1") = "6"
    & skf21("7","7","6","5","6","4","7","1") = "6"
    & skf21("7","7","6","5","6","5","1","1") = "6"
    & skf21("7","7","6","5","6","5","2","1") = "6"
    & skf21("7","7","6","5","6","5","3","1") = "6"
    & skf21("7","7","6","5","6","5","4","1") = "6"
    & skf21("7","7","6","5","6","5","5","1") = "6"
    & skf21("7","7","6","5","6","5","6","1") = "6"
    & skf21("7","7","6","5","6","5","7","1") = "6"
    & skf21("7","7","6","5","6","6","1","1") = "6"
    & skf21("7","7","6","5","6","6","2","1") = "6"
    & skf21("7","7","6","5","6","6","3","1") = "6"
    & skf21("7","7","6","5","6","6","4","1") = "6"
    & skf21("7","7","6","5","6","6","5","1") = "6"
    & skf21("7","7","6","5","6","6","6","1") = "6"
    & skf21("7","7","6","5","6","6","7","1") = "6"
    & skf21("7","7","6","5","6","7","1","1") = "6"
    & skf21("7","7","6","5","6","7","2","1") = "6"
    & skf21("7","7","6","5","6","7","3","1") = "6"
    & skf21("7","7","6","5","6","7","4","1") = "6"
    & skf21("7","7","6","5","6","7","5","1") = "6"
    & skf21("7","7","6","5","6","7","6","1") = "6"
    & skf21("7","7","6","5","6","7","7","1") = "6"
    & skf21("7","7","6","5","7","1","1","1") = "6"
    & skf21("7","7","6","5","7","1","2","1") = "6"
    & skf21("7","7","6","5","7","1","3","1") = "6"
    & skf21("7","7","6","5","7","1","4","1") = "6"
    & skf21("7","7","6","5","7","1","5","1") = "6"
    & skf21("7","7","6","5","7","1","6","1") = "6"
    & skf21("7","7","6","5","7","1","7","1") = "6"
    & skf21("7","7","6","5","7","2","1","1") = "6"
    & skf21("7","7","6","5","7","2","2","1") = "6"
    & skf21("7","7","6","5","7","2","3","1") = "6"
    & skf21("7","7","6","5","7","2","4","1") = "6"
    & skf21("7","7","6","5","7","2","5","1") = "6"
    & skf21("7","7","6","5","7","2","6","1") = "6"
    & skf21("7","7","6","5","7","2","7","1") = "6"
    & skf21("7","7","6","5","7","3","1","1") = "6"
    & skf21("7","7","6","5","7","3","2","1") = "6"
    & skf21("7","7","6","5","7","3","3","1") = "6"
    & skf21("7","7","6","5","7","3","4","1") = "6"
    & skf21("7","7","6","5","7","3","5","1") = "6"
    & skf21("7","7","6","5","7","3","6","1") = "6"
    & skf21("7","7","6","5","7","3","7","1") = "6"
    & skf21("7","7","6","5","7","4","1","1") = "6"
    & skf21("7","7","6","5","7","4","2","1") = "6"
    & skf21("7","7","6","5","7","4","3","1") = "6"
    & skf21("7","7","6","5","7","4","4","1") = "6"
    & skf21("7","7","6","5","7","4","5","1") = "6"
    & skf21("7","7","6","5","7","4","6","1") = "6"
    & skf21("7","7","6","5","7","4","7","1") = "6"
    & skf21("7","7","6","5","7","5","1","1") = "6"
    & skf21("7","7","6","5","7","5","2","1") = "6"
    & skf21("7","7","6","5","7","5","3","1") = "6"
    & skf21("7","7","6","5","7","5","4","1") = "6"
    & skf21("7","7","6","5","7","5","5","1") = "6"
    & skf21("7","7","6","5","7","5","6","1") = "6"
    & skf21("7","7","6","5","7","5","7","1") = "6"
    & skf21("7","7","6","5","7","6","1","1") = "6"
    & skf21("7","7","6","5","7","6","2","1") = "6"
    & skf21("7","7","6","5","7","6","3","1") = "6"
    & skf21("7","7","6","5","7","6","4","1") = "6"
    & skf21("7","7","6","5","7","6","5","1") = "6"
    & skf21("7","7","6","5","7","6","6","1") = "6"
    & skf21("7","7","6","5","7","6","7","1") = "6"
    & skf21("7","7","6","5","7","7","1","1") = "6"
    & skf21("7","7","6","5","7","7","2","1") = "6"
    & skf21("7","7","6","5","7","7","3","1") = "6"
    & skf21("7","7","6","5","7","7","4","1") = "6"
    & skf21("7","7","6","5","7","7","5","1") = "6"
    & skf21("7","7","6","5","7","7","6","1") = "6"
    & skf21("7","7","6","5","7","7","7","1") = "6"
    & skf21("7","7","6","6","1","1","1","1") = "6"
    & skf21("7","7","6","6","1","1","2","1") = "6"
    & skf21("7","7","6","6","1","1","3","1") = "6"
    & skf21("7","7","6","6","1","1","4","1") = "6"
    & skf21("7","7","6","6","1","1","5","1") = "6"
    & skf21("7","7","6","6","1","1","6","1") = "6"
    & skf21("7","7","6","6","1","1","7","1") = "6"
    & skf21("7","7","6","6","1","2","1","1") = "6"
    & skf21("7","7","6","6","1","2","2","1") = "6"
    & skf21("7","7","6","6","1","2","3","1") = "6"
    & skf21("7","7","6","6","1","2","4","1") = "6"
    & skf21("7","7","6","6","1","2","5","1") = "6"
    & skf21("7","7","6","6","1","2","6","1") = "6"
    & skf21("7","7","6","6","1","2","7","1") = "6"
    & skf21("7","7","6","6","1","3","1","1") = "6"
    & skf21("7","7","6","6","1","3","2","1") = "6"
    & skf21("7","7","6","6","1","3","3","1") = "6"
    & skf21("7","7","6","6","1","3","4","1") = "6"
    & skf21("7","7","6","6","1","3","5","1") = "6"
    & skf21("7","7","6","6","1","3","6","1") = "6"
    & skf21("7","7","6","6","1","3","7","1") = "6"
    & skf21("7","7","6","6","1","4","1","1") = "6"
    & skf21("7","7","6","6","1","4","2","1") = "6"
    & skf21("7","7","6","6","1","4","3","1") = "6"
    & skf21("7","7","6","6","1","4","4","1") = "6"
    & skf21("7","7","6","6","1","4","5","1") = "6"
    & skf21("7","7","6","6","1","4","6","1") = "6"
    & skf21("7","7","6","6","1","4","7","1") = "6"
    & skf21("7","7","6","6","1","5","1","1") = "6"
    & skf21("7","7","6","6","1","5","2","1") = "6"
    & skf21("7","7","6","6","1","5","3","1") = "6"
    & skf21("7","7","6","6","1","5","4","1") = "6"
    & skf21("7","7","6","6","1","5","5","1") = "6"
    & skf21("7","7","6","6","1","5","6","1") = "6"
    & skf21("7","7","6","6","1","5","7","1") = "6"
    & skf21("7","7","6","6","1","6","1","1") = "6"
    & skf21("7","7","6","6","1","6","2","1") = "6"
    & skf21("7","7","6","6","1","6","3","1") = "6"
    & skf21("7","7","6","6","1","6","4","1") = "6"
    & skf21("7","7","6","6","1","6","5","1") = "6"
    & skf21("7","7","6","6","1","6","6","1") = "6"
    & skf21("7","7","6","6","1","6","7","1") = "6"
    & skf21("7","7","6","6","1","7","1","1") = "6"
    & skf21("7","7","6","6","1","7","2","1") = "6"
    & skf21("7","7","6","6","1","7","3","1") = "6"
    & skf21("7","7","6","6","1","7","4","1") = "6"
    & skf21("7","7","6","6","1","7","5","1") = "6"
    & skf21("7","7","6","6","1","7","6","1") = "6"
    & skf21("7","7","6","6","1","7","7","1") = "6"
    & skf21("7","7","6","6","2","1","1","1") = "6"
    & skf21("7","7","6","6","2","1","2","1") = "6"
    & skf21("7","7","6","6","2","1","3","1") = "6"
    & skf21("7","7","6","6","2","1","4","1") = "6"
    & skf21("7","7","6","6","2","1","5","1") = "6"
    & skf21("7","7","6","6","2","1","6","1") = "6"
    & skf21("7","7","6","6","2","1","7","1") = "6"
    & skf21("7","7","6","6","2","2","1","1") = "6"
    & skf21("7","7","6","6","2","2","2","1") = "6"
    & skf21("7","7","6","6","2","2","3","1") = "6"
    & skf21("7","7","6","6","2","2","4","1") = "6"
    & skf21("7","7","6","6","2","2","5","1") = "6"
    & skf21("7","7","6","6","2","2","6","1") = "6"
    & skf21("7","7","6","6","2","2","7","1") = "6"
    & skf21("7","7","6","6","2","3","1","1") = "6"
    & skf21("7","7","6","6","2","3","2","1") = "6"
    & skf21("7","7","6","6","2","3","3","1") = "6"
    & skf21("7","7","6","6","2","3","4","1") = "6"
    & skf21("7","7","6","6","2","3","5","1") = "6"
    & skf21("7","7","6","6","2","3","6","1") = "6"
    & skf21("7","7","6","6","2","3","7","1") = "6"
    & skf21("7","7","6","6","2","4","1","1") = "6"
    & skf21("7","7","6","6","2","4","2","1") = "6"
    & skf21("7","7","6","6","2","4","3","1") = "6"
    & skf21("7","7","6","6","2","4","4","1") = "6"
    & skf21("7","7","6","6","2","4","5","1") = "6"
    & skf21("7","7","6","6","2","4","6","1") = "6"
    & skf21("7","7","6","6","2","4","7","1") = "6"
    & skf21("7","7","6","6","2","5","1","1") = "6"
    & skf21("7","7","6","6","2","5","2","1") = "6"
    & skf21("7","7","6","6","2","5","3","1") = "6"
    & skf21("7","7","6","6","2","5","4","1") = "6"
    & skf21("7","7","6","6","2","5","5","1") = "6"
    & skf21("7","7","6","6","2","5","6","1") = "6"
    & skf21("7","7","6","6","2","5","7","1") = "6"
    & skf21("7","7","6","6","2","6","1","1") = "6"
    & skf21("7","7","6","6","2","6","2","1") = "6"
    & skf21("7","7","6","6","2","6","3","1") = "6"
    & skf21("7","7","6","6","2","6","4","1") = "6"
    & skf21("7","7","6","6","2","6","5","1") = "6"
    & skf21("7","7","6","6","2","6","6","1") = "6"
    & skf21("7","7","6","6","2","6","7","1") = "6"
    & skf21("7","7","6","6","2","7","1","1") = "6"
    & skf21("7","7","6","6","2","7","2","1") = "6"
    & skf21("7","7","6","6","2","7","3","1") = "6"
    & skf21("7","7","6","6","2","7","4","1") = "6"
    & skf21("7","7","6","6","2","7","5","1") = "6"
    & skf21("7","7","6","6","2","7","6","1") = "6"
    & skf21("7","7","6","6","2","7","7","1") = "6"
    & skf21("7","7","6","6","3","1","1","1") = "6"
    & skf21("7","7","6","6","3","1","2","1") = "6"
    & skf21("7","7","6","6","3","1","3","1") = "6"
    & skf21("7","7","6","6","3","1","4","1") = "6"
    & skf21("7","7","6","6","3","1","5","1") = "6"
    & skf21("7","7","6","6","3","1","6","1") = "6"
    & skf21("7","7","6","6","3","1","7","1") = "6"
    & skf21("7","7","6","6","3","2","1","1") = "6"
    & skf21("7","7","6","6","3","2","2","1") = "6"
    & skf21("7","7","6","6","3","2","3","1") = "6"
    & skf21("7","7","6","6","3","2","4","1") = "6"
    & skf21("7","7","6","6","3","2","5","1") = "6"
    & skf21("7","7","6","6","3","2","6","1") = "6"
    & skf21("7","7","6","6","3","2","7","1") = "6"
    & skf21("7","7","6","6","3","3","1","1") = "6"
    & skf21("7","7","6","6","3","3","2","1") = "6"
    & skf21("7","7","6","6","3","3","3","1") = "6"
    & skf21("7","7","6","6","3","3","4","1") = "6"
    & skf21("7","7","6","6","3","3","5","1") = "6"
    & skf21("7","7","6","6","3","3","6","1") = "6"
    & skf21("7","7","6","6","3","3","7","1") = "6"
    & skf21("7","7","6","6","3","4","1","1") = "6"
    & skf21("7","7","6","6","3","4","2","1") = "6"
    & skf21("7","7","6","6","3","4","3","1") = "6"
    & skf21("7","7","6","6","3","4","4","1") = "6"
    & skf21("7","7","6","6","3","4","5","1") = "6"
    & skf21("7","7","6","6","3","4","6","1") = "6"
    & skf21("7","7","6","6","3","4","7","1") = "6"
    & skf21("7","7","6","6","3","5","1","1") = "6"
    & skf21("7","7","6","6","3","5","2","1") = "6"
    & skf21("7","7","6","6","3","5","3","1") = "6"
    & skf21("7","7","6","6","3","5","4","1") = "6"
    & skf21("7","7","6","6","3","5","5","1") = "6"
    & skf21("7","7","6","6","3","5","6","1") = "6"
    & skf21("7","7","6","6","3","5","7","1") = "6"
    & skf21("7","7","6","6","3","6","1","1") = "6"
    & skf21("7","7","6","6","3","6","2","1") = "6"
    & skf21("7","7","6","6","3","6","3","1") = "6"
    & skf21("7","7","6","6","3","6","4","1") = "6"
    & skf21("7","7","6","6","3","6","5","1") = "6"
    & skf21("7","7","6","6","3","6","6","1") = "6"
    & skf21("7","7","6","6","3","6","7","1") = "6"
    & skf21("7","7","6","6","3","7","1","1") = "6"
    & skf21("7","7","6","6","3","7","2","1") = "6"
    & skf21("7","7","6","6","3","7","3","1") = "6"
    & skf21("7","7","6","6","3","7","4","1") = "6"
    & skf21("7","7","6","6","3","7","5","1") = "6"
    & skf21("7","7","6","6","3","7","6","1") = "6"
    & skf21("7","7","6","6","3","7","7","1") = "6"
    & skf21("7","7","6","6","4","1","1","1") = "6"
    & skf21("7","7","6","6","4","1","2","1") = "6"
    & skf21("7","7","6","6","4","1","3","1") = "6"
    & skf21("7","7","6","6","4","1","4","1") = "6"
    & skf21("7","7","6","6","4","1","5","1") = "6"
    & skf21("7","7","6","6","4","1","6","1") = "6"
    & skf21("7","7","6","6","4","1","7","1") = "6"
    & skf21("7","7","6","6","4","2","1","1") = "6"
    & skf21("7","7","6","6","4","2","2","1") = "6"
    & skf21("7","7","6","6","4","2","3","1") = "6"
    & skf21("7","7","6","6","4","2","4","1") = "6"
    & skf21("7","7","6","6","4","2","5","1") = "6"
    & skf21("7","7","6","6","4","2","6","1") = "6"
    & skf21("7","7","6","6","4","2","7","1") = "6"
    & skf21("7","7","6","6","4","3","1","1") = "6"
    & skf21("7","7","6","6","4","3","2","1") = "6"
    & skf21("7","7","6","6","4","3","3","1") = "6"
    & skf21("7","7","6","6","4","3","4","1") = "6"
    & skf21("7","7","6","6","4","3","5","1") = "6"
    & skf21("7","7","6","6","4","3","6","1") = "6"
    & skf21("7","7","6","6","4","3","7","1") = "6"
    & skf21("7","7","6","6","4","4","1","1") = "6"
    & skf21("7","7","6","6","4","4","2","1") = "6"
    & skf21("7","7","6","6","4","4","3","1") = "6"
    & skf21("7","7","6","6","4","4","4","1") = "6"
    & skf21("7","7","6","6","4","4","5","1") = "6"
    & skf21("7","7","6","6","4","4","6","1") = "6"
    & skf21("7","7","6","6","4","4","7","1") = "6"
    & skf21("7","7","6","6","4","5","1","1") = "6"
    & skf21("7","7","6","6","4","5","2","1") = "6"
    & skf21("7","7","6","6","4","5","3","1") = "6"
    & skf21("7","7","6","6","4","5","4","1") = "6"
    & skf21("7","7","6","6","4","5","5","1") = "6"
    & skf21("7","7","6","6","4","5","6","1") = "6"
    & skf21("7","7","6","6","4","5","7","1") = "6"
    & skf21("7","7","6","6","4","6","1","1") = "6"
    & skf21("7","7","6","6","4","6","2","1") = "6"
    & skf21("7","7","6","6","4","6","3","1") = "6"
    & skf21("7","7","6","6","4","6","4","1") = "6"
    & skf21("7","7","6","6","4","6","5","1") = "6"
    & skf21("7","7","6","6","4","6","6","1") = "6"
    & skf21("7","7","6","6","4","6","7","1") = "6"
    & skf21("7","7","6","6","4","7","1","1") = "6"
    & skf21("7","7","6","6","4","7","2","1") = "6"
    & skf21("7","7","6","6","4","7","3","1") = "6"
    & skf21("7","7","6","6","4","7","4","1") = "6"
    & skf21("7","7","6","6","4","7","5","1") = "6"
    & skf21("7","7","6","6","4","7","6","1") = "6"
    & skf21("7","7","6","6","4","7","7","1") = "6"
    & skf21("7","7","6","6","5","1","1","1") = "6"
    & skf21("7","7","6","6","5","1","2","1") = "6"
    & skf21("7","7","6","6","5","1","3","1") = "6"
    & skf21("7","7","6","6","5","1","4","1") = "6"
    & skf21("7","7","6","6","5","1","5","1") = "6"
    & skf21("7","7","6","6","5","1","6","1") = "6"
    & skf21("7","7","6","6","5","1","7","1") = "6"
    & skf21("7","7","6","6","5","2","1","1") = "6"
    & skf21("7","7","6","6","5","2","2","1") = "6"
    & skf21("7","7","6","6","5","2","3","1") = "6"
    & skf21("7","7","6","6","5","2","4","1") = "6"
    & skf21("7","7","6","6","5","2","5","1") = "6"
    & skf21("7","7","6","6","5","2","6","1") = "6"
    & skf21("7","7","6","6","5","2","7","1") = "6"
    & skf21("7","7","6","6","5","3","1","1") = "6"
    & skf21("7","7","6","6","5","3","2","1") = "6"
    & skf21("7","7","6","6","5","3","3","1") = "6"
    & skf21("7","7","6","6","5","3","4","1") = "6"
    & skf21("7","7","6","6","5","3","5","1") = "6"
    & skf21("7","7","6","6","5","3","6","1") = "6"
    & skf21("7","7","6","6","5","3","7","1") = "6"
    & skf21("7","7","6","6","5","4","1","1") = "6"
    & skf21("7","7","6","6","5","4","2","1") = "6"
    & skf21("7","7","6","6","5","4","3","1") = "6"
    & skf21("7","7","6","6","5","4","4","1") = "6"
    & skf21("7","7","6","6","5","4","5","1") = "6"
    & skf21("7","7","6","6","5","4","6","1") = "6"
    & skf21("7","7","6","6","5","4","7","1") = "6"
    & skf21("7","7","6","6","5","5","1","1") = "6"
    & skf21("7","7","6","6","5","5","2","1") = "6"
    & skf21("7","7","6","6","5","5","3","1") = "6"
    & skf21("7","7","6","6","5","5","4","1") = "6"
    & skf21("7","7","6","6","5","5","5","1") = "6"
    & skf21("7","7","6","6","5","5","6","1") = "6"
    & skf21("7","7","6","6","5","5","7","1") = "6"
    & skf21("7","7","6","6","5","6","1","1") = "6"
    & skf21("7","7","6","6","5","6","2","1") = "6"
    & skf21("7","7","6","6","5","6","3","1") = "6"
    & skf21("7","7","6","6","5","6","4","1") = "6"
    & skf21("7","7","6","6","5","6","5","1") = "6"
    & skf21("7","7","6","6","5","6","6","1") = "6"
    & skf21("7","7","6","6","5","6","7","1") = "6"
    & skf21("7","7","6","6","5","7","1","1") = "6"
    & skf21("7","7","6","6","5","7","2","1") = "6"
    & skf21("7","7","6","6","5","7","3","1") = "6"
    & skf21("7","7","6","6","5","7","4","1") = "6"
    & skf21("7","7","6","6","5","7","5","1") = "6"
    & skf21("7","7","6","6","5","7","6","1") = "6"
    & skf21("7","7","6","6","5","7","7","1") = "6"
    & skf21("7","7","6","6","6","1","1","1") = "6"
    & skf21("7","7","6","6","6","1","2","1") = "6"
    & skf21("7","7","6","6","6","1","3","1") = "6"
    & skf21("7","7","6","6","6","1","4","1") = "6"
    & skf21("7","7","6","6","6","1","5","1") = "6"
    & skf21("7","7","6","6","6","1","6","1") = "6"
    & skf21("7","7","6","6","6","1","7","1") = "6"
    & skf21("7","7","6","6","6","2","1","1") = "6"
    & skf21("7","7","6","6","6","2","2","1") = "6"
    & skf21("7","7","6","6","6","2","3","1") = "6"
    & skf21("7","7","6","6","6","2","4","1") = "6"
    & skf21("7","7","6","6","6","2","5","1") = "6"
    & skf21("7","7","6","6","6","2","6","1") = "6"
    & skf21("7","7","6","6","6","2","7","1") = "6"
    & skf21("7","7","6","6","6","3","1","1") = "6"
    & skf21("7","7","6","6","6","3","2","1") = "6"
    & skf21("7","7","6","6","6","3","3","1") = "6"
    & skf21("7","7","6","6","6","3","4","1") = "6"
    & skf21("7","7","6","6","6","3","5","1") = "6"
    & skf21("7","7","6","6","6","3","6","1") = "6"
    & skf21("7","7","6","6","6","3","7","1") = "6"
    & skf21("7","7","6","6","6","4","1","1") = "6"
    & skf21("7","7","6","6","6","4","2","1") = "6"
    & skf21("7","7","6","6","6","4","3","1") = "6"
    & skf21("7","7","6","6","6","4","4","1") = "6"
    & skf21("7","7","6","6","6","4","5","1") = "6"
    & skf21("7","7","6","6","6","4","6","1") = "6"
    & skf21("7","7","6","6","6","4","7","1") = "6"
    & skf21("7","7","6","6","6","5","1","1") = "6"
    & skf21("7","7","6","6","6","5","2","1") = "6"
    & skf21("7","7","6","6","6","5","3","1") = "6"
    & skf21("7","7","6","6","6","5","4","1") = "6"
    & skf21("7","7","6","6","6","5","5","1") = "6"
    & skf21("7","7","6","6","6","5","6","1") = "6"
    & skf21("7","7","6","6","6","5","7","1") = "6"
    & skf21("7","7","6","6","6","6","1","1") = "6"
    & skf21("7","7","6","6","6","6","2","1") = "6"
    & skf21("7","7","6","6","6","6","3","1") = "6"
    & skf21("7","7","6","6","6","6","4","1") = "6"
    & skf21("7","7","6","6","6","6","5","1") = "6"
    & skf21("7","7","6","6","6","6","6","1") = "6"
    & skf21("7","7","6","6","6","6","7","1") = "6"
    & skf21("7","7","6","6","6","7","1","1") = "6"
    & skf21("7","7","6","6","6","7","2","1") = "6"
    & skf21("7","7","6","6","6","7","3","1") = "6"
    & skf21("7","7","6","6","6","7","4","1") = "6"
    & skf21("7","7","6","6","6","7","5","1") = "6"
    & skf21("7","7","6","6","6","7","6","1") = "6"
    & skf21("7","7","6","6","6","7","7","1") = "6"
    & skf21("7","7","6","6","7","1","1","1") = "6"
    & skf21("7","7","6","6","7","1","2","1") = "6"
    & skf21("7","7","6","6","7","1","3","1") = "6"
    & skf21("7","7","6","6","7","1","4","1") = "6"
    & skf21("7","7","6","6","7","1","5","1") = "6"
    & skf21("7","7","6","6","7","1","6","1") = "6"
    & skf21("7","7","6","6","7","1","7","1") = "6"
    & skf21("7","7","6","6","7","2","1","1") = "6"
    & skf21("7","7","6","6","7","2","2","1") = "6"
    & skf21("7","7","6","6","7","2","3","1") = "6"
    & skf21("7","7","6","6","7","2","4","1") = "6"
    & skf21("7","7","6","6","7","2","5","1") = "6"
    & skf21("7","7","6","6","7","2","6","1") = "6"
    & skf21("7","7","6","6","7","2","7","1") = "6"
    & skf21("7","7","6","6","7","3","1","1") = "6"
    & skf21("7","7","6","6","7","3","2","1") = "6"
    & skf21("7","7","6","6","7","3","3","1") = "6"
    & skf21("7","7","6","6","7","3","4","1") = "6"
    & skf21("7","7","6","6","7","3","5","1") = "6"
    & skf21("7","7","6","6","7","3","6","1") = "6"
    & skf21("7","7","6","6","7","3","7","1") = "6"
    & skf21("7","7","6","6","7","4","1","1") = "6"
    & skf21("7","7","6","6","7","4","2","1") = "6"
    & skf21("7","7","6","6","7","4","3","1") = "6"
    & skf21("7","7","6","6","7","4","4","1") = "6"
    & skf21("7","7","6","6","7","4","5","1") = "6"
    & skf21("7","7","6","6","7","4","6","1") = "6"
    & skf21("7","7","6","6","7","4","7","1") = "6"
    & skf21("7","7","6","6","7","5","1","1") = "6"
    & skf21("7","7","6","6","7","5","2","1") = "6"
    & skf21("7","7","6","6","7","5","3","1") = "6"
    & skf21("7","7","6","6","7","5","4","1") = "6"
    & skf21("7","7","6","6","7","5","5","1") = "6"
    & skf21("7","7","6","6","7","5","6","1") = "6"
    & skf21("7","7","6","6","7","5","7","1") = "6"
    & skf21("7","7","6","6","7","6","1","1") = "6"
    & skf21("7","7","6","6","7","6","2","1") = "6"
    & skf21("7","7","6","6","7","6","3","1") = "6"
    & skf21("7","7","6","6","7","6","4","1") = "6"
    & skf21("7","7","6","6","7","6","5","1") = "6"
    & skf21("7","7","6","6","7","6","6","1") = "6"
    & skf21("7","7","6","6","7","6","7","1") = "6"
    & skf21("7","7","6","6","7","7","1","1") = "6"
    & skf21("7","7","6","6","7","7","2","1") = "6"
    & skf21("7","7","6","6","7","7","3","1") = "6"
    & skf21("7","7","6","6","7","7","4","1") = "6"
    & skf21("7","7","6","6","7","7","5","1") = "6"
    & skf21("7","7","6","6","7","7","6","1") = "6"
    & skf21("7","7","6","6","7","7","7","1") = "6"
    & skf21("7","7","6","7","1","1","1","1") = "6"
    & skf21("7","7","6","7","1","1","2","1") = "6"
    & skf21("7","7","6","7","1","1","3","1") = "6"
    & skf21("7","7","6","7","1","1","4","1") = "6"
    & skf21("7","7","6","7","1","1","5","1") = "6"
    & skf21("7","7","6","7","1","1","6","1") = "6"
    & skf21("7","7","6","7","1","1","7","1") = "6"
    & skf21("7","7","6","7","1","2","1","1") = "6"
    & skf21("7","7","6","7","1","2","2","1") = "6"
    & skf21("7","7","6","7","1","2","3","1") = "6"
    & skf21("7","7","6","7","1","2","4","1") = "6"
    & skf21("7","7","6","7","1","2","5","1") = "6"
    & skf21("7","7","6","7","1","2","6","1") = "6"
    & skf21("7","7","6","7","1","2","7","1") = "6"
    & skf21("7","7","6","7","1","3","1","1") = "6"
    & skf21("7","7","6","7","1","3","2","1") = "6"
    & skf21("7","7","6","7","1","3","3","1") = "6"
    & skf21("7","7","6","7","1","3","4","1") = "6"
    & skf21("7","7","6","7","1","3","5","1") = "6"
    & skf21("7","7","6","7","1","3","6","1") = "6"
    & skf21("7","7","6","7","1","3","7","1") = "6"
    & skf21("7","7","6","7","1","4","1","1") = "6"
    & skf21("7","7","6","7","1","4","2","1") = "6"
    & skf21("7","7","6","7","1","4","3","1") = "6"
    & skf21("7","7","6","7","1","4","4","1") = "6"
    & skf21("7","7","6","7","1","4","5","1") = "6"
    & skf21("7","7","6","7","1","4","6","1") = "6"
    & skf21("7","7","6","7","1","4","7","1") = "6"
    & skf21("7","7","6","7","1","5","1","1") = "6"
    & skf21("7","7","6","7","1","5","2","1") = "6"
    & skf21("7","7","6","7","1","5","3","1") = "6"
    & skf21("7","7","6","7","1","5","4","1") = "6"
    & skf21("7","7","6","7","1","5","5","1") = "6"
    & skf21("7","7","6","7","1","5","6","1") = "6"
    & skf21("7","7","6","7","1","5","7","1") = "6"
    & skf21("7","7","6","7","1","6","1","1") = "6"
    & skf21("7","7","6","7","1","6","2","1") = "6"
    & skf21("7","7","6","7","1","6","3","1") = "6"
    & skf21("7","7","6","7","1","6","4","1") = "6"
    & skf21("7","7","6","7","1","6","5","1") = "6"
    & skf21("7","7","6","7","1","6","6","1") = "6"
    & skf21("7","7","6","7","1","6","7","1") = "6"
    & skf21("7","7","6","7","1","7","1","1") = "6"
    & skf21("7","7","6","7","1","7","2","1") = "6"
    & skf21("7","7","6","7","1","7","3","1") = "6"
    & skf21("7","7","6","7","1","7","4","1") = "6"
    & skf21("7","7","6","7","1","7","5","1") = "6"
    & skf21("7","7","6","7","1","7","6","1") = "6"
    & skf21("7","7","6","7","1","7","7","1") = "6"
    & skf21("7","7","6","7","2","1","1","1") = "6"
    & skf21("7","7","6","7","2","1","2","1") = "6"
    & skf21("7","7","6","7","2","1","3","1") = "6"
    & skf21("7","7","6","7","2","1","4","1") = "6"
    & skf21("7","7","6","7","2","1","5","1") = "6"
    & skf21("7","7","6","7","2","1","6","1") = "6"
    & skf21("7","7","6","7","2","1","7","1") = "6"
    & skf21("7","7","6","7","2","2","1","1") = "6"
    & skf21("7","7","6","7","2","2","2","1") = "6"
    & skf21("7","7","6","7","2","2","3","1") = "6"
    & skf21("7","7","6","7","2","2","4","1") = "6"
    & skf21("7","7","6","7","2","2","5","1") = "6"
    & skf21("7","7","6","7","2","2","6","1") = "6"
    & skf21("7","7","6","7","2","2","7","1") = "6"
    & skf21("7","7","6","7","2","3","1","1") = "6"
    & skf21("7","7","6","7","2","3","2","1") = "6"
    & skf21("7","7","6","7","2","3","3","1") = "6"
    & skf21("7","7","6","7","2","3","4","1") = "6"
    & skf21("7","7","6","7","2","3","5","1") = "6"
    & skf21("7","7","6","7","2","3","6","1") = "6"
    & skf21("7","7","6","7","2","3","7","1") = "6"
    & skf21("7","7","6","7","2","4","1","1") = "6"
    & skf21("7","7","6","7","2","4","2","1") = "6"
    & skf21("7","7","6","7","2","4","3","1") = "6"
    & skf21("7","7","6","7","2","4","4","1") = "6"
    & skf21("7","7","6","7","2","4","5","1") = "6"
    & skf21("7","7","6","7","2","4","6","1") = "6"
    & skf21("7","7","6","7","2","4","7","1") = "6"
    & skf21("7","7","6","7","2","5","1","1") = "6"
    & skf21("7","7","6","7","2","5","2","1") = "6"
    & skf21("7","7","6","7","2","5","3","1") = "6"
    & skf21("7","7","6","7","2","5","4","1") = "6"
    & skf21("7","7","6","7","2","5","5","1") = "6"
    & skf21("7","7","6","7","2","5","6","1") = "6"
    & skf21("7","7","6","7","2","5","7","1") = "6"
    & skf21("7","7","6","7","2","6","1","1") = "6"
    & skf21("7","7","6","7","2","6","2","1") = "6"
    & skf21("7","7","6","7","2","6","3","1") = "6"
    & skf21("7","7","6","7","2","6","4","1") = "6"
    & skf21("7","7","6","7","2","6","5","1") = "6"
    & skf21("7","7","6","7","2","6","6","1") = "6"
    & skf21("7","7","6","7","2","6","7","1") = "6"
    & skf21("7","7","6","7","2","7","1","1") = "6"
    & skf21("7","7","6","7","2","7","2","1") = "6"
    & skf21("7","7","6","7","2","7","3","1") = "6"
    & skf21("7","7","6","7","2","7","4","1") = "6"
    & skf21("7","7","6","7","2","7","5","1") = "6"
    & skf21("7","7","6","7","2","7","6","1") = "6"
    & skf21("7","7","6","7","2","7","7","1") = "6"
    & skf21("7","7","6","7","3","1","1","1") = "6"
    & skf21("7","7","6","7","3","1","2","1") = "6"
    & skf21("7","7","6","7","3","1","3","1") = "6"
    & skf21("7","7","6","7","3","1","4","1") = "6"
    & skf21("7","7","6","7","3","1","5","1") = "6"
    & skf21("7","7","6","7","3","1","6","1") = "6"
    & skf21("7","7","6","7","3","1","7","1") = "6"
    & skf21("7","7","6","7","3","2","1","1") = "6"
    & skf21("7","7","6","7","3","2","2","1") = "6"
    & skf21("7","7","6","7","3","2","3","1") = "6"
    & skf21("7","7","6","7","3","2","4","1") = "6"
    & skf21("7","7","6","7","3","2","5","1") = "6"
    & skf21("7","7","6","7","3","2","6","1") = "6"
    & skf21("7","7","6","7","3","2","7","1") = "6"
    & skf21("7","7","6","7","3","3","1","1") = "6"
    & skf21("7","7","6","7","3","3","2","1") = "6"
    & skf21("7","7","6","7","3","3","3","1") = "6"
    & skf21("7","7","6","7","3","3","4","1") = "6"
    & skf21("7","7","6","7","3","3","5","1") = "6"
    & skf21("7","7","6","7","3","3","6","1") = "6"
    & skf21("7","7","6","7","3","3","7","1") = "6"
    & skf21("7","7","6","7","3","4","1","1") = "6"
    & skf21("7","7","6","7","3","4","2","1") = "6"
    & skf21("7","7","6","7","3","4","3","1") = "6"
    & skf21("7","7","6","7","3","4","4","1") = "6"
    & skf21("7","7","6","7","3","4","5","1") = "6"
    & skf21("7","7","6","7","3","4","6","1") = "6"
    & skf21("7","7","6","7","3","4","7","1") = "6"
    & skf21("7","7","6","7","3","5","1","1") = "6"
    & skf21("7","7","6","7","3","5","2","1") = "6"
    & skf21("7","7","6","7","3","5","3","1") = "6"
    & skf21("7","7","6","7","3","5","4","1") = "6"
    & skf21("7","7","6","7","3","5","5","1") = "6"
    & skf21("7","7","6","7","3","5","6","1") = "6"
    & skf21("7","7","6","7","3","5","7","1") = "6"
    & skf21("7","7","6","7","3","6","1","1") = "6"
    & skf21("7","7","6","7","3","6","2","1") = "6"
    & skf21("7","7","6","7","3","6","3","1") = "6"
    & skf21("7","7","6","7","3","6","4","1") = "6"
    & skf21("7","7","6","7","3","6","5","1") = "6"
    & skf21("7","7","6","7","3","6","6","1") = "6"
    & skf21("7","7","6","7","3","6","7","1") = "6"
    & skf21("7","7","6","7","3","7","1","1") = "6"
    & skf21("7","7","6","7","3","7","2","1") = "6"
    & skf21("7","7","6","7","3","7","3","1") = "6"
    & skf21("7","7","6","7","3","7","4","1") = "6"
    & skf21("7","7","6","7","3","7","5","1") = "6"
    & skf21("7","7","6","7","3","7","6","1") = "6"
    & skf21("7","7","6","7","3","7","7","1") = "6"
    & skf21("7","7","6","7","4","1","1","1") = "6"
    & skf21("7","7","6","7","4","1","2","1") = "6"
    & skf21("7","7","6","7","4","1","3","1") = "6"
    & skf21("7","7","6","7","4","1","4","1") = "6"
    & skf21("7","7","6","7","4","1","5","1") = "6"
    & skf21("7","7","6","7","4","1","6","1") = "6"
    & skf21("7","7","6","7","4","1","7","1") = "6"
    & skf21("7","7","6","7","4","2","1","1") = "6"
    & skf21("7","7","6","7","4","2","2","1") = "6"
    & skf21("7","7","6","7","4","2","3","1") = "6"
    & skf21("7","7","6","7","4","2","4","1") = "6"
    & skf21("7","7","6","7","4","2","5","1") = "6"
    & skf21("7","7","6","7","4","2","6","1") = "6"
    & skf21("7","7","6","7","4","2","7","1") = "6"
    & skf21("7","7","6","7","4","3","1","1") = "6"
    & skf21("7","7","6","7","4","3","2","1") = "6"
    & skf21("7","7","6","7","4","3","3","1") = "6"
    & skf21("7","7","6","7","4","3","4","1") = "6"
    & skf21("7","7","6","7","4","3","5","1") = "6"
    & skf21("7","7","6","7","4","3","6","1") = "6"
    & skf21("7","7","6","7","4","3","7","1") = "6"
    & skf21("7","7","6","7","4","4","1","1") = "6"
    & skf21("7","7","6","7","4","4","2","1") = "6"
    & skf21("7","7","6","7","4","4","3","1") = "6"
    & skf21("7","7","6","7","4","4","4","1") = "6"
    & skf21("7","7","6","7","4","4","5","1") = "6"
    & skf21("7","7","6","7","4","4","6","1") = "6"
    & skf21("7","7","6","7","4","4","7","1") = "6"
    & skf21("7","7","6","7","4","5","1","1") = "6"
    & skf21("7","7","6","7","4","5","2","1") = "6"
    & skf21("7","7","6","7","4","5","3","1") = "6"
    & skf21("7","7","6","7","4","5","4","1") = "6"
    & skf21("7","7","6","7","4","5","5","1") = "6"
    & skf21("7","7","6","7","4","5","6","1") = "6"
    & skf21("7","7","6","7","4","5","7","1") = "6"
    & skf21("7","7","6","7","4","6","1","1") = "6"
    & skf21("7","7","6","7","4","6","2","1") = "6"
    & skf21("7","7","6","7","4","6","3","1") = "6"
    & skf21("7","7","6","7","4","6","4","1") = "6"
    & skf21("7","7","6","7","4","6","5","1") = "6"
    & skf21("7","7","6","7","4","6","6","1") = "6"
    & skf21("7","7","6","7","4","6","7","1") = "6"
    & skf21("7","7","6","7","4","7","1","1") = "6"
    & skf21("7","7","6","7","4","7","2","1") = "6"
    & skf21("7","7","6","7","4","7","3","1") = "6"
    & skf21("7","7","6","7","4","7","4","1") = "6"
    & skf21("7","7","6","7","4","7","5","1") = "6"
    & skf21("7","7","6","7","4","7","6","1") = "6"
    & skf21("7","7","6","7","4","7","7","1") = "6"
    & skf21("7","7","6","7","5","1","1","1") = "6"
    & skf21("7","7","6","7","5","1","2","1") = "6"
    & skf21("7","7","6","7","5","1","3","1") = "6"
    & skf21("7","7","6","7","5","1","4","1") = "6"
    & skf21("7","7","6","7","5","1","5","1") = "6"
    & skf21("7","7","6","7","5","1","6","1") = "6"
    & skf21("7","7","6","7","5","1","7","1") = "6"
    & skf21("7","7","6","7","5","2","1","1") = "6"
    & skf21("7","7","6","7","5","2","2","1") = "6"
    & skf21("7","7","6","7","5","2","3","1") = "6"
    & skf21("7","7","6","7","5","2","4","1") = "6"
    & skf21("7","7","6","7","5","2","5","1") = "6"
    & skf21("7","7","6","7","5","2","6","1") = "6"
    & skf21("7","7","6","7","5","2","7","1") = "6"
    & skf21("7","7","6","7","5","3","1","1") = "6"
    & skf21("7","7","6","7","5","3","2","1") = "6"
    & skf21("7","7","6","7","5","3","3","1") = "6"
    & skf21("7","7","6","7","5","3","4","1") = "6"
    & skf21("7","7","6","7","5","3","5","1") = "6"
    & skf21("7","7","6","7","5","3","6","1") = "6"
    & skf21("7","7","6","7","5","3","7","1") = "6"
    & skf21("7","7","6","7","5","4","1","1") = "6"
    & skf21("7","7","6","7","5","4","2","1") = "6"
    & skf21("7","7","6","7","5","4","3","1") = "6"
    & skf21("7","7","6","7","5","4","4","1") = "6"
    & skf21("7","7","6","7","5","4","5","1") = "6"
    & skf21("7","7","6","7","5","4","6","1") = "6"
    & skf21("7","7","6","7","5","4","7","1") = "6"
    & skf21("7","7","6","7","5","5","1","1") = "6"
    & skf21("7","7","6","7","5","5","2","1") = "6"
    & skf21("7","7","6","7","5","5","3","1") = "6"
    & skf21("7","7","6","7","5","5","4","1") = "6"
    & skf21("7","7","6","7","5","5","5","1") = "6"
    & skf21("7","7","6","7","5","5","6","1") = "6"
    & skf21("7","7","6","7","5","5","7","1") = "6"
    & skf21("7","7","6","7","5","6","1","1") = "6"
    & skf21("7","7","6","7","5","6","2","1") = "6"
    & skf21("7","7","6","7","5","6","3","1") = "6"
    & skf21("7","7","6","7","5","6","4","1") = "6"
    & skf21("7","7","6","7","5","6","5","1") = "6"
    & skf21("7","7","6","7","5","6","6","1") = "6"
    & skf21("7","7","6","7","5","6","7","1") = "6"
    & skf21("7","7","6","7","5","7","1","1") = "6"
    & skf21("7","7","6","7","5","7","2","1") = "6"
    & skf21("7","7","6","7","5","7","3","1") = "6"
    & skf21("7","7","6","7","5","7","4","1") = "6"
    & skf21("7","7","6","7","5","7","5","1") = "6"
    & skf21("7","7","6","7","5","7","6","1") = "6"
    & skf21("7","7","6","7","5","7","7","1") = "6"
    & skf21("7","7","6","7","6","1","1","1") = "6"
    & skf21("7","7","6","7","6","1","2","1") = "6"
    & skf21("7","7","6","7","6","1","3","1") = "6"
    & skf21("7","7","6","7","6","1","4","1") = "6"
    & skf21("7","7","6","7","6","1","5","1") = "6"
    & skf21("7","7","6","7","6","1","6","1") = "6"
    & skf21("7","7","6","7","6","1","7","1") = "6"
    & skf21("7","7","6","7","6","2","1","1") = "6"
    & skf21("7","7","6","7","6","2","2","1") = "6"
    & skf21("7","7","6","7","6","2","3","1") = "6"
    & skf21("7","7","6","7","6","2","4","1") = "6"
    & skf21("7","7","6","7","6","2","5","1") = "6"
    & skf21("7","7","6","7","6","2","6","1") = "6"
    & skf21("7","7","6","7","6","2","7","1") = "6"
    & skf21("7","7","6","7","6","3","1","1") = "6"
    & skf21("7","7","6","7","6","3","2","1") = "6"
    & skf21("7","7","6","7","6","3","3","1") = "6"
    & skf21("7","7","6","7","6","3","4","1") = "6"
    & skf21("7","7","6","7","6","3","5","1") = "6"
    & skf21("7","7","6","7","6","3","6","1") = "6"
    & skf21("7","7","6","7","6","3","7","1") = "6"
    & skf21("7","7","6","7","6","4","1","1") = "6"
    & skf21("7","7","6","7","6","4","2","1") = "6"
    & skf21("7","7","6","7","6","4","3","1") = "6"
    & skf21("7","7","6","7","6","4","4","1") = "6"
    & skf21("7","7","6","7","6","4","5","1") = "6"
    & skf21("7","7","6","7","6","4","6","1") = "6"
    & skf21("7","7","6","7","6","4","7","1") = "6"
    & skf21("7","7","6","7","6","5","1","1") = "6"
    & skf21("7","7","6","7","6","5","2","1") = "6"
    & skf21("7","7","6","7","6","5","3","1") = "6"
    & skf21("7","7","6","7","6","5","4","1") = "6"
    & skf21("7","7","6","7","6","5","5","1") = "6"
    & skf21("7","7","6","7","6","5","6","1") = "6"
    & skf21("7","7","6","7","6","5","7","1") = "6"
    & skf21("7","7","6","7","6","6","1","1") = "6"
    & skf21("7","7","6","7","6","6","2","1") = "6"
    & skf21("7","7","6","7","6","6","3","1") = "6"
    & skf21("7","7","6","7","6","6","4","1") = "6"
    & skf21("7","7","6","7","6","6","5","1") = "6"
    & skf21("7","7","6","7","6","6","6","1") = "6"
    & skf21("7","7","6","7","6","6","7","1") = "6"
    & skf21("7","7","6","7","6","7","1","1") = "6"
    & skf21("7","7","6","7","6","7","2","1") = "6"
    & skf21("7","7","6","7","6","7","3","1") = "6"
    & skf21("7","7","6","7","6","7","4","1") = "6"
    & skf21("7","7","6","7","6","7","5","1") = "6"
    & skf21("7","7","6","7","6","7","6","1") = "6"
    & skf21("7","7","6","7","6","7","7","1") = "6"
    & skf21("7","7","6","7","7","1","1","1") = "6"
    & skf21("7","7","6","7","7","1","2","1") = "6"
    & skf21("7","7","6","7","7","1","3","1") = "6"
    & skf21("7","7","6","7","7","1","4","1") = "6"
    & skf21("7","7","6","7","7","1","5","1") = "6"
    & skf21("7","7","6","7","7","1","6","1") = "6"
    & skf21("7","7","6","7","7","1","7","1") = "6"
    & skf21("7","7","6","7","7","2","1","1") = "6"
    & skf21("7","7","6","7","7","2","2","1") = "6"
    & skf21("7","7","6","7","7","2","3","1") = "6"
    & skf21("7","7","6","7","7","2","4","1") = "6"
    & skf21("7","7","6","7","7","2","5","1") = "6"
    & skf21("7","7","6","7","7","2","6","1") = "6"
    & skf21("7","7","6","7","7","2","7","1") = "6"
    & skf21("7","7","6","7","7","3","1","1") = "6"
    & skf21("7","7","6","7","7","3","2","1") = "6"
    & skf21("7","7","6","7","7","3","3","1") = "6"
    & skf21("7","7","6","7","7","3","4","1") = "6"
    & skf21("7","7","6","7","7","3","5","1") = "6"
    & skf21("7","7","6","7","7","3","6","1") = "6"
    & skf21("7","7","6","7","7","3","7","1") = "6"
    & skf21("7","7","6","7","7","4","1","1") = "6"
    & skf21("7","7","6","7","7","4","2","1") = "6"
    & skf21("7","7","6","7","7","4","3","1") = "6"
    & skf21("7","7","6","7","7","4","4","1") = "6"
    & skf21("7","7","6","7","7","4","5","1") = "6"
    & skf21("7","7","6","7","7","4","6","1") = "6"
    & skf21("7","7","6","7","7","4","7","1") = "6"
    & skf21("7","7","6","7","7","5","1","1") = "6"
    & skf21("7","7","6","7","7","5","2","1") = "6"
    & skf21("7","7","6","7","7","5","3","1") = "6"
    & skf21("7","7","6","7","7","5","4","1") = "6"
    & skf21("7","7","6","7","7","5","5","1") = "6"
    & skf21("7","7","6","7","7","5","6","1") = "6"
    & skf21("7","7","6","7","7","5","7","1") = "6"
    & skf21("7","7","6","7","7","6","1","1") = "6"
    & skf21("7","7","6","7","7","6","2","1") = "6"
    & skf21("7","7","6","7","7","6","3","1") = "6"
    & skf21("7","7","6","7","7","6","4","1") = "6"
    & skf21("7","7","6","7","7","6","5","1") = "6"
    & skf21("7","7","6","7","7","6","6","1") = "6"
    & skf21("7","7","6","7","7","6","7","1") = "6"
    & skf21("7","7","6","7","7","7","1","1") = "6"
    & skf21("7","7","6","7","7","7","2","1") = "6"
    & skf21("7","7","6","7","7","7","3","1") = "6"
    & skf21("7","7","6","7","7","7","4","1") = "6"
    & skf21("7","7","6","7","7","7","5","1") = "6"
    & skf21("7","7","6","7","7","7","6","1") = "6"
    & skf21("7","7","6","7","7","7","7","1") = "6"
    & skf21("7","7","7","1","1","1","1","1") = "6"
    & skf21("7","7","7","1","1","1","2","1") = "6"
    & skf21("7","7","7","1","1","1","3","1") = "6"
    & skf21("7","7","7","1","1","1","4","1") = "6"
    & skf21("7","7","7","1","1","1","5","1") = "6"
    & skf21("7","7","7","1","1","1","6","1") = "6"
    & skf21("7","7","7","1","1","1","7","1") = "6"
    & skf21("7","7","7","1","1","2","1","1") = "6"
    & skf21("7","7","7","1","1","2","2","1") = "6"
    & skf21("7","7","7","1","1","2","3","1") = "6"
    & skf21("7","7","7","1","1","2","4","1") = "6"
    & skf21("7","7","7","1","1","2","5","1") = "6"
    & skf21("7","7","7","1","1","2","6","1") = "6"
    & skf21("7","7","7","1","1","2","7","1") = "6"
    & skf21("7","7","7","1","1","3","1","1") = "6"
    & skf21("7","7","7","1","1","3","2","1") = "6"
    & skf21("7","7","7","1","1","3","3","1") = "6"
    & skf21("7","7","7","1","1","3","4","1") = "6"
    & skf21("7","7","7","1","1","3","5","1") = "6"
    & skf21("7","7","7","1","1","3","6","1") = "6"
    & skf21("7","7","7","1","1","3","7","1") = "6"
    & skf21("7","7","7","1","1","4","1","1") = "6"
    & skf21("7","7","7","1","1","4","2","1") = "6"
    & skf21("7","7","7","1","1","4","3","1") = "6"
    & skf21("7","7","7","1","1","4","4","1") = "6"
    & skf21("7","7","7","1","1","4","5","1") = "6"
    & skf21("7","7","7","1","1","4","6","1") = "6"
    & skf21("7","7","7","1","1","4","7","1") = "6"
    & skf21("7","7","7","1","1","5","1","1") = "6"
    & skf21("7","7","7","1","1","5","2","1") = "6"
    & skf21("7","7","7","1","1","5","3","1") = "6"
    & skf21("7","7","7","1","1","5","4","1") = "6"
    & skf21("7","7","7","1","1","5","5","1") = "6"
    & skf21("7","7","7","1","1","5","6","1") = "6"
    & skf21("7","7","7","1","1","5","7","1") = "6"
    & skf21("7","7","7","1","1","6","1","1") = "6"
    & skf21("7","7","7","1","1","6","2","1") = "6"
    & skf21("7","7","7","1","1","6","3","1") = "6"
    & skf21("7","7","7","1","1","6","4","1") = "6"
    & skf21("7","7","7","1","1","6","5","1") = "6"
    & skf21("7","7","7","1","1","6","6","1") = "6"
    & skf21("7","7","7","1","1","6","7","1") = "6"
    & skf21("7","7","7","1","1","7","1","1") = "6"
    & skf21("7","7","7","1","1","7","2","1") = "6"
    & skf21("7","7","7","1","1","7","3","1") = "6"
    & skf21("7","7","7","1","1","7","4","1") = "6"
    & skf21("7","7","7","1","1","7","5","1") = "6"
    & skf21("7","7","7","1","1","7","6","1") = "6"
    & skf21("7","7","7","1","1","7","7","1") = "6"
    & skf21("7","7","7","1","2","1","1","1") = "6"
    & skf21("7","7","7","1","2","1","2","1") = "6"
    & skf21("7","7","7","1","2","1","3","1") = "6"
    & skf21("7","7","7","1","2","1","4","1") = "6"
    & skf21("7","7","7","1","2","1","5","1") = "6"
    & skf21("7","7","7","1","2","1","6","1") = "6"
    & skf21("7","7","7","1","2","1","7","1") = "6"
    & skf21("7","7","7","1","2","2","1","1") = "6"
    & skf21("7","7","7","1","2","2","2","1") = "6"
    & skf21("7","7","7","1","2","2","3","1") = "6"
    & skf21("7","7","7","1","2","2","4","1") = "6"
    & skf21("7","7","7","1","2","2","5","1") = "6"
    & skf21("7","7","7","1","2","2","6","1") = "6"
    & skf21("7","7","7","1","2","2","7","1") = "6"
    & skf21("7","7","7","1","2","3","1","1") = "6"
    & skf21("7","7","7","1","2","3","2","1") = "6"
    & skf21("7","7","7","1","2","3","3","1") = "6"
    & skf21("7","7","7","1","2","3","4","1") = "6"
    & skf21("7","7","7","1","2","3","5","1") = "6"
    & skf21("7","7","7","1","2","3","6","1") = "6"
    & skf21("7","7","7","1","2","3","7","1") = "6"
    & skf21("7","7","7","1","2","4","1","1") = "6"
    & skf21("7","7","7","1","2","4","2","1") = "6"
    & skf21("7","7","7","1","2","4","3","1") = "6"
    & skf21("7","7","7","1","2","4","4","1") = "6"
    & skf21("7","7","7","1","2","4","5","1") = "6"
    & skf21("7","7","7","1","2","4","6","1") = "6"
    & skf21("7","7","7","1","2","4","7","1") = "6"
    & skf21("7","7","7","1","2","5","1","1") = "6"
    & skf21("7","7","7","1","2","5","2","1") = "6"
    & skf21("7","7","7","1","2","5","3","1") = "6"
    & skf21("7","7","7","1","2","5","4","1") = "6"
    & skf21("7","7","7","1","2","5","5","1") = "6"
    & skf21("7","7","7","1","2","5","6","1") = "6"
    & skf21("7","7","7","1","2","5","7","1") = "6"
    & skf21("7","7","7","1","2","6","1","1") = "6"
    & skf21("7","7","7","1","2","6","2","1") = "6"
    & skf21("7","7","7","1","2","6","3","1") = "6"
    & skf21("7","7","7","1","2","6","4","1") = "6"
    & skf21("7","7","7","1","2","6","5","1") = "6"
    & skf21("7","7","7","1","2","6","6","1") = "6"
    & skf21("7","7","7","1","2","6","7","1") = "6"
    & skf21("7","7","7","1","2","7","1","1") = "6"
    & skf21("7","7","7","1","2","7","2","1") = "6"
    & skf21("7","7","7","1","2","7","3","1") = "6"
    & skf21("7","7","7","1","2","7","4","1") = "6"
    & skf21("7","7","7","1","2","7","5","1") = "6"
    & skf21("7","7","7","1","2","7","6","1") = "6"
    & skf21("7","7","7","1","2","7","7","1") = "6"
    & skf21("7","7","7","1","3","1","1","1") = "6"
    & skf21("7","7","7","1","3","1","2","1") = "6"
    & skf21("7","7","7","1","3","1","3","1") = "6"
    & skf21("7","7","7","1","3","1","4","1") = "6"
    & skf21("7","7","7","1","3","1","5","1") = "6"
    & skf21("7","7","7","1","3","1","6","1") = "6"
    & skf21("7","7","7","1","3","1","7","1") = "6"
    & skf21("7","7","7","1","3","2","1","1") = "6"
    & skf21("7","7","7","1","3","2","2","1") = "6"
    & skf21("7","7","7","1","3","2","3","1") = "6"
    & skf21("7","7","7","1","3","2","4","1") = "6"
    & skf21("7","7","7","1","3","2","5","1") = "6"
    & skf21("7","7","7","1","3","2","6","1") = "6"
    & skf21("7","7","7","1","3","2","7","1") = "6"
    & skf21("7","7","7","1","3","3","1","1") = "6"
    & skf21("7","7","7","1","3","3","2","1") = "6"
    & skf21("7","7","7","1","3","3","3","1") = "6"
    & skf21("7","7","7","1","3","3","4","1") = "6"
    & skf21("7","7","7","1","3","3","5","1") = "6"
    & skf21("7","7","7","1","3","3","6","1") = "6"
    & skf21("7","7","7","1","3","3","7","1") = "6"
    & skf21("7","7","7","1","3","4","1","1") = "6"
    & skf21("7","7","7","1","3","4","2","1") = "6"
    & skf21("7","7","7","1","3","4","3","1") = "6"
    & skf21("7","7","7","1","3","4","4","1") = "6"
    & skf21("7","7","7","1","3","4","5","1") = "6"
    & skf21("7","7","7","1","3","4","6","1") = "6"
    & skf21("7","7","7","1","3","4","7","1") = "6"
    & skf21("7","7","7","1","3","5","1","1") = "6"
    & skf21("7","7","7","1","3","5","2","1") = "6"
    & skf21("7","7","7","1","3","5","3","1") = "6"
    & skf21("7","7","7","1","3","5","4","1") = "6"
    & skf21("7","7","7","1","3","5","5","1") = "6"
    & skf21("7","7","7","1","3","5","6","1") = "6"
    & skf21("7","7","7","1","3","5","7","1") = "6"
    & skf21("7","7","7","1","3","6","1","1") = "6"
    & skf21("7","7","7","1","3","6","2","1") = "6"
    & skf21("7","7","7","1","3","6","3","1") = "6"
    & skf21("7","7","7","1","3","6","4","1") = "6"
    & skf21("7","7","7","1","3","6","5","1") = "6"
    & skf21("7","7","7","1","3","6","6","1") = "6"
    & skf21("7","7","7","1","3","6","7","1") = "6"
    & skf21("7","7","7","1","3","7","1","1") = "6"
    & skf21("7","7","7","1","3","7","2","1") = "6"
    & skf21("7","7","7","1","3","7","3","1") = "6"
    & skf21("7","7","7","1","3","7","4","1") = "6"
    & skf21("7","7","7","1","3","7","5","1") = "6"
    & skf21("7","7","7","1","3","7","6","1") = "6"
    & skf21("7","7","7","1","3","7","7","1") = "6"
    & skf21("7","7","7","1","4","1","1","1") = "6"
    & skf21("7","7","7","1","4","1","2","1") = "6"
    & skf21("7","7","7","1","4","1","3","1") = "6"
    & skf21("7","7","7","1","4","1","4","1") = "6"
    & skf21("7","7","7","1","4","1","5","1") = "6"
    & skf21("7","7","7","1","4","1","6","1") = "6"
    & skf21("7","7","7","1","4","1","7","1") = "6"
    & skf21("7","7","7","1","4","2","1","1") = "6"
    & skf21("7","7","7","1","4","2","2","1") = "6"
    & skf21("7","7","7","1","4","2","3","1") = "6"
    & skf21("7","7","7","1","4","2","4","1") = "6"
    & skf21("7","7","7","1","4","2","5","1") = "6"
    & skf21("7","7","7","1","4","2","6","1") = "6"
    & skf21("7","7","7","1","4","2","7","1") = "6"
    & skf21("7","7","7","1","4","3","1","1") = "6"
    & skf21("7","7","7","1","4","3","2","1") = "6"
    & skf21("7","7","7","1","4","3","3","1") = "6"
    & skf21("7","7","7","1","4","3","4","1") = "6"
    & skf21("7","7","7","1","4","3","5","1") = "6"
    & skf21("7","7","7","1","4","3","6","1") = "6"
    & skf21("7","7","7","1","4","3","7","1") = "6"
    & skf21("7","7","7","1","4","4","1","1") = "6"
    & skf21("7","7","7","1","4","4","2","1") = "6"
    & skf21("7","7","7","1","4","4","3","1") = "6"
    & skf21("7","7","7","1","4","4","4","1") = "6"
    & skf21("7","7","7","1","4","4","5","1") = "6"
    & skf21("7","7","7","1","4","4","6","1") = "6"
    & skf21("7","7","7","1","4","4","7","1") = "6"
    & skf21("7","7","7","1","4","5","1","1") = "6"
    & skf21("7","7","7","1","4","5","2","1") = "6"
    & skf21("7","7","7","1","4","5","3","1") = "6"
    & skf21("7","7","7","1","4","5","4","1") = "6"
    & skf21("7","7","7","1","4","5","5","1") = "6"
    & skf21("7","7","7","1","4","5","6","1") = "6"
    & skf21("7","7","7","1","4","5","7","1") = "6"
    & skf21("7","7","7","1","4","6","1","1") = "6"
    & skf21("7","7","7","1","4","6","2","1") = "6"
    & skf21("7","7","7","1","4","6","3","1") = "6"
    & skf21("7","7","7","1","4","6","4","1") = "6"
    & skf21("7","7","7","1","4","6","5","1") = "6"
    & skf21("7","7","7","1","4","6","6","1") = "6"
    & skf21("7","7","7","1","4","6","7","1") = "6"
    & skf21("7","7","7","1","4","7","1","1") = "6"
    & skf21("7","7","7","1","4","7","2","1") = "6"
    & skf21("7","7","7","1","4","7","3","1") = "6"
    & skf21("7","7","7","1","4","7","4","1") = "6"
    & skf21("7","7","7","1","4","7","5","1") = "6"
    & skf21("7","7","7","1","4","7","6","1") = "6"
    & skf21("7","7","7","1","4","7","7","1") = "6"
    & skf21("7","7","7","1","5","1","1","1") = "6"
    & skf21("7","7","7","1","5","1","2","1") = "6"
    & skf21("7","7","7","1","5","1","3","1") = "6"
    & skf21("7","7","7","1","5","1","4","1") = "6"
    & skf21("7","7","7","1","5","1","5","1") = "6"
    & skf21("7","7","7","1","5","1","6","1") = "6"
    & skf21("7","7","7","1","5","1","7","1") = "6"
    & skf21("7","7","7","1","5","2","1","1") = "6"
    & skf21("7","7","7","1","5","2","2","1") = "6"
    & skf21("7","7","7","1","5","2","3","1") = "6"
    & skf21("7","7","7","1","5","2","4","1") = "6"
    & skf21("7","7","7","1","5","2","5","1") = "6"
    & skf21("7","7","7","1","5","2","6","1") = "6"
    & skf21("7","7","7","1","5","2","7","1") = "6"
    & skf21("7","7","7","1","5","3","1","1") = "6"
    & skf21("7","7","7","1","5","3","2","1") = "6"
    & skf21("7","7","7","1","5","3","3","1") = "6"
    & skf21("7","7","7","1","5","3","4","1") = "6"
    & skf21("7","7","7","1","5","3","5","1") = "6"
    & skf21("7","7","7","1","5","3","6","1") = "6"
    & skf21("7","7","7","1","5","3","7","1") = "6"
    & skf21("7","7","7","1","5","4","1","1") = "6"
    & skf21("7","7","7","1","5","4","2","1") = "6"
    & skf21("7","7","7","1","5","4","3","1") = "6"
    & skf21("7","7","7","1","5","4","4","1") = "6"
    & skf21("7","7","7","1","5","4","5","1") = "6"
    & skf21("7","7","7","1","5","4","6","1") = "6"
    & skf21("7","7","7","1","5","4","7","1") = "6"
    & skf21("7","7","7","1","5","5","1","1") = "6"
    & skf21("7","7","7","1","5","5","2","1") = "6"
    & skf21("7","7","7","1","5","5","3","1") = "6"
    & skf21("7","7","7","1","5","5","4","1") = "6"
    & skf21("7","7","7","1","5","5","5","1") = "6"
    & skf21("7","7","7","1","5","5","6","1") = "6"
    & skf21("7","7","7","1","5","5","7","1") = "6"
    & skf21("7","7","7","1","5","6","1","1") = "6"
    & skf21("7","7","7","1","5","6","2","1") = "6"
    & skf21("7","7","7","1","5","6","3","1") = "6"
    & skf21("7","7","7","1","5","6","4","1") = "6"
    & skf21("7","7","7","1","5","6","5","1") = "6"
    & skf21("7","7","7","1","5","6","6","1") = "6"
    & skf21("7","7","7","1","5","6","7","1") = "6"
    & skf21("7","7","7","1","5","7","1","1") = "6"
    & skf21("7","7","7","1","5","7","2","1") = "6"
    & skf21("7","7","7","1","5","7","3","1") = "6"
    & skf21("7","7","7","1","5","7","4","1") = "6"
    & skf21("7","7","7","1","5","7","5","1") = "6"
    & skf21("7","7","7","1","5","7","6","1") = "6"
    & skf21("7","7","7","1","5","7","7","1") = "6"
    & skf21("7","7","7","1","6","1","1","1") = "6"
    & skf21("7","7","7","1","6","1","2","1") = "6"
    & skf21("7","7","7","1","6","1","3","1") = "6"
    & skf21("7","7","7","1","6","1","4","1") = "6"
    & skf21("7","7","7","1","6","1","5","1") = "6"
    & skf21("7","7","7","1","6","1","6","1") = "6"
    & skf21("7","7","7","1","6","1","7","1") = "6"
    & skf21("7","7","7","1","6","2","1","1") = "6"
    & skf21("7","7","7","1","6","2","2","1") = "6"
    & skf21("7","7","7","1","6","2","3","1") = "6"
    & skf21("7","7","7","1","6","2","4","1") = "6"
    & skf21("7","7","7","1","6","2","5","1") = "6"
    & skf21("7","7","7","1","6","2","6","1") = "6"
    & skf21("7","7","7","1","6","2","7","1") = "6"
    & skf21("7","7","7","1","6","3","1","1") = "6"
    & skf21("7","7","7","1","6","3","2","1") = "6"
    & skf21("7","7","7","1","6","3","3","1") = "6"
    & skf21("7","7","7","1","6","3","4","1") = "6"
    & skf21("7","7","7","1","6","3","5","1") = "6"
    & skf21("7","7","7","1","6","3","6","1") = "6"
    & skf21("7","7","7","1","6","3","7","1") = "6"
    & skf21("7","7","7","1","6","4","1","1") = "6"
    & skf21("7","7","7","1","6","4","2","1") = "6"
    & skf21("7","7","7","1","6","4","3","1") = "6"
    & skf21("7","7","7","1","6","4","4","1") = "6"
    & skf21("7","7","7","1","6","4","5","1") = "6"
    & skf21("7","7","7","1","6","4","6","1") = "6"
    & skf21("7","7","7","1","6","4","7","1") = "6"
    & skf21("7","7","7","1","6","5","1","1") = "6"
    & skf21("7","7","7","1","6","5","2","1") = "6"
    & skf21("7","7","7","1","6","5","3","1") = "6"
    & skf21("7","7","7","1","6","5","4","1") = "6"
    & skf21("7","7","7","1","6","5","5","1") = "6"
    & skf21("7","7","7","1","6","5","6","1") = "6"
    & skf21("7","7","7","1","6","5","7","1") = "6"
    & skf21("7","7","7","1","6","6","1","1") = "6"
    & skf21("7","7","7","1","6","6","2","1") = "6"
    & skf21("7","7","7","1","6","6","3","1") = "6"
    & skf21("7","7","7","1","6","6","4","1") = "6"
    & skf21("7","7","7","1","6","6","5","1") = "6"
    & skf21("7","7","7","1","6","6","6","1") = "6"
    & skf21("7","7","7","1","6","6","7","1") = "6"
    & skf21("7","7","7","1","6","7","1","1") = "6"
    & skf21("7","7","7","1","6","7","2","1") = "6"
    & skf21("7","7","7","1","6","7","3","1") = "6"
    & skf21("7","7","7","1","6","7","4","1") = "6"
    & skf21("7","7","7","1","6","7","5","1") = "6"
    & skf21("7","7","7","1","6","7","6","1") = "6"
    & skf21("7","7","7","1","6","7","7","1") = "6"
    & skf21("7","7","7","1","7","1","1","1") = "6"
    & skf21("7","7","7","1","7","1","2","1") = "6"
    & skf21("7","7","7","1","7","1","3","1") = "6"
    & skf21("7","7","7","1","7","1","4","1") = "6"
    & skf21("7","7","7","1","7","1","5","1") = "6"
    & skf21("7","7","7","1","7","1","6","1") = "6"
    & skf21("7","7","7","1","7","1","7","1") = "6"
    & skf21("7","7","7","1","7","2","1","1") = "6"
    & skf21("7","7","7","1","7","2","2","1") = "6"
    & skf21("7","7","7","1","7","2","3","1") = "6"
    & skf21("7","7","7","1","7","2","4","1") = "6"
    & skf21("7","7","7","1","7","2","5","1") = "6"
    & skf21("7","7","7","1","7","2","6","1") = "6"
    & skf21("7","7","7","1","7","2","7","1") = "6"
    & skf21("7","7","7","1","7","3","1","1") = "6"
    & skf21("7","7","7","1","7","3","2","1") = "6"
    & skf21("7","7","7","1","7","3","3","1") = "6"
    & skf21("7","7","7","1","7","3","4","1") = "6"
    & skf21("7","7","7","1","7","3","5","1") = "6"
    & skf21("7","7","7","1","7","3","6","1") = "6"
    & skf21("7","7","7","1","7","3","7","1") = "6"
    & skf21("7","7","7","1","7","4","1","1") = "6"
    & skf21("7","7","7","1","7","4","2","1") = "6"
    & skf21("7","7","7","1","7","4","3","1") = "6"
    & skf21("7","7","7","1","7","4","4","1") = "6"
    & skf21("7","7","7","1","7","4","5","1") = "6"
    & skf21("7","7","7","1","7","4","6","1") = "6"
    & skf21("7","7","7","1","7","4","7","1") = "6"
    & skf21("7","7","7","1","7","5","1","1") = "6"
    & skf21("7","7","7","1","7","5","2","1") = "6"
    & skf21("7","7","7","1","7","5","3","1") = "6"
    & skf21("7","7","7","1","7","5","4","1") = "6"
    & skf21("7","7","7","1","7","5","5","1") = "6"
    & skf21("7","7","7","1","7","5","6","1") = "6"
    & skf21("7","7","7","1","7","5","7","1") = "6"
    & skf21("7","7","7","1","7","6","1","1") = "6"
    & skf21("7","7","7","1","7","6","2","1") = "6"
    & skf21("7","7","7","1","7","6","3","1") = "6"
    & skf21("7","7","7","1","7","6","4","1") = "6"
    & skf21("7","7","7","1","7","6","5","1") = "6"
    & skf21("7","7","7","1","7","6","6","1") = "6"
    & skf21("7","7","7","1","7","6","7","1") = "6"
    & skf21("7","7","7","1","7","7","1","1") = "6"
    & skf21("7","7","7","1","7","7","2","1") = "6"
    & skf21("7","7","7","1","7","7","3","1") = "6"
    & skf21("7","7","7","1","7","7","4","1") = "6"
    & skf21("7","7","7","1","7","7","5","1") = "6"
    & skf21("7","7","7","1","7","7","6","1") = "6"
    & skf21("7","7","7","1","7","7","7","1") = "6"
    & skf21("7","7","7","2","1","1","1","1") = "6"
    & skf21("7","7","7","2","1","1","2","1") = "6"
    & skf21("7","7","7","2","1","1","3","1") = "6"
    & skf21("7","7","7","2","1","1","4","1") = "6"
    & skf21("7","7","7","2","1","1","5","1") = "6"
    & skf21("7","7","7","2","1","1","6","1") = "6"
    & skf21("7","7","7","2","1","1","7","1") = "6"
    & skf21("7","7","7","2","1","2","1","1") = "6"
    & skf21("7","7","7","2","1","2","2","1") = "6"
    & skf21("7","7","7","2","1","2","3","1") = "6"
    & skf21("7","7","7","2","1","2","4","1") = "6"
    & skf21("7","7","7","2","1","2","5","1") = "6"
    & skf21("7","7","7","2","1","2","6","1") = "6"
    & skf21("7","7","7","2","1","2","7","1") = "6"
    & skf21("7","7","7","2","1","3","1","1") = "6"
    & skf21("7","7","7","2","1","3","2","1") = "6"
    & skf21("7","7","7","2","1","3","3","1") = "6"
    & skf21("7","7","7","2","1","3","4","1") = "6"
    & skf21("7","7","7","2","1","3","5","1") = "6"
    & skf21("7","7","7","2","1","3","6","1") = "6"
    & skf21("7","7","7","2","1","3","7","1") = "6"
    & skf21("7","7","7","2","1","4","1","1") = "6"
    & skf21("7","7","7","2","1","4","2","1") = "6"
    & skf21("7","7","7","2","1","4","3","1") = "6"
    & skf21("7","7","7","2","1","4","4","1") = "6"
    & skf21("7","7","7","2","1","4","5","1") = "6"
    & skf21("7","7","7","2","1","4","6","1") = "6"
    & skf21("7","7","7","2","1","4","7","1") = "6"
    & skf21("7","7","7","2","1","5","1","1") = "6"
    & skf21("7","7","7","2","1","5","2","1") = "6"
    & skf21("7","7","7","2","1","5","3","1") = "6"
    & skf21("7","7","7","2","1","5","4","1") = "6"
    & skf21("7","7","7","2","1","5","5","1") = "6"
    & skf21("7","7","7","2","1","5","6","1") = "6"
    & skf21("7","7","7","2","1","5","7","1") = "6"
    & skf21("7","7","7","2","1","6","1","1") = "6"
    & skf21("7","7","7","2","1","6","2","1") = "6"
    & skf21("7","7","7","2","1","6","3","1") = "6"
    & skf21("7","7","7","2","1","6","4","1") = "6"
    & skf21("7","7","7","2","1","6","5","1") = "6"
    & skf21("7","7","7","2","1","6","6","1") = "6"
    & skf21("7","7","7","2","1","6","7","1") = "6"
    & skf21("7","7","7","2","1","7","1","1") = "6"
    & skf21("7","7","7","2","1","7","2","1") = "6"
    & skf21("7","7","7","2","1","7","3","1") = "6"
    & skf21("7","7","7","2","1","7","4","1") = "6"
    & skf21("7","7","7","2","1","7","5","1") = "6"
    & skf21("7","7","7","2","1","7","6","1") = "6"
    & skf21("7","7","7","2","1","7","7","1") = "6"
    & skf21("7","7","7","2","2","1","1","1") = "6"
    & skf21("7","7","7","2","2","1","2","1") = "6"
    & skf21("7","7","7","2","2","1","3","1") = "6"
    & skf21("7","7","7","2","2","1","4","1") = "6"
    & skf21("7","7","7","2","2","1","5","1") = "6"
    & skf21("7","7","7","2","2","1","6","1") = "6"
    & skf21("7","7","7","2","2","1","7","1") = "6"
    & skf21("7","7","7","2","2","2","1","1") = "6"
    & skf21("7","7","7","2","2","2","2","1") = "6"
    & skf21("7","7","7","2","2","2","3","1") = "6"
    & skf21("7","7","7","2","2","2","4","1") = "6"
    & skf21("7","7","7","2","2","2","5","1") = "6"
    & skf21("7","7","7","2","2","2","6","1") = "6"
    & skf21("7","7","7","2","2","2","7","1") = "6"
    & skf21("7","7","7","2","2","3","1","1") = "6"
    & skf21("7","7","7","2","2","3","2","1") = "6"
    & skf21("7","7","7","2","2","3","3","1") = "6"
    & skf21("7","7","7","2","2","3","4","1") = "6"
    & skf21("7","7","7","2","2","3","5","1") = "6"
    & skf21("7","7","7","2","2","3","6","1") = "6"
    & skf21("7","7","7","2","2","3","7","1") = "6"
    & skf21("7","7","7","2","2","4","1","1") = "6"
    & skf21("7","7","7","2","2","4","2","1") = "6"
    & skf21("7","7","7","2","2","4","3","1") = "6"
    & skf21("7","7","7","2","2","4","4","1") = "6"
    & skf21("7","7","7","2","2","4","5","1") = "6"
    & skf21("7","7","7","2","2","4","6","1") = "6"
    & skf21("7","7","7","2","2","4","7","1") = "6"
    & skf21("7","7","7","2","2","5","1","1") = "6"
    & skf21("7","7","7","2","2","5","2","1") = "6"
    & skf21("7","7","7","2","2","5","3","1") = "6"
    & skf21("7","7","7","2","2","5","4","1") = "6"
    & skf21("7","7","7","2","2","5","5","1") = "6"
    & skf21("7","7","7","2","2","5","6","1") = "6"
    & skf21("7","7","7","2","2","5","7","1") = "6"
    & skf21("7","7","7","2","2","6","1","1") = "6"
    & skf21("7","7","7","2","2","6","2","1") = "6"
    & skf21("7","7","7","2","2","6","3","1") = "6"
    & skf21("7","7","7","2","2","6","4","1") = "6"
    & skf21("7","7","7","2","2","6","5","1") = "6"
    & skf21("7","7","7","2","2","6","6","1") = "6"
    & skf21("7","7","7","2","2","6","7","1") = "6"
    & skf21("7","7","7","2","2","7","1","1") = "6"
    & skf21("7","7","7","2","2","7","2","1") = "6"
    & skf21("7","7","7","2","2","7","3","1") = "6"
    & skf21("7","7","7","2","2","7","4","1") = "6"
    & skf21("7","7","7","2","2","7","5","1") = "6"
    & skf21("7","7","7","2","2","7","6","1") = "6"
    & skf21("7","7","7","2","2","7","7","1") = "6"
    & skf21("7","7","7","2","3","1","1","1") = "6"
    & skf21("7","7","7","2","3","1","2","1") = "6"
    & skf21("7","7","7","2","3","1","3","1") = "6"
    & skf21("7","7","7","2","3","1","4","1") = "6"
    & skf21("7","7","7","2","3","1","5","1") = "6"
    & skf21("7","7","7","2","3","1","6","1") = "6"
    & skf21("7","7","7","2","3","1","7","1") = "6"
    & skf21("7","7","7","2","3","2","1","1") = "6"
    & skf21("7","7","7","2","3","2","2","1") = "6"
    & skf21("7","7","7","2","3","2","3","1") = "6"
    & skf21("7","7","7","2","3","2","4","1") = "6"
    & skf21("7","7","7","2","3","2","5","1") = "6"
    & skf21("7","7","7","2","3","2","6","1") = "6"
    & skf21("7","7","7","2","3","2","7","1") = "6"
    & skf21("7","7","7","2","3","3","1","1") = "6"
    & skf21("7","7","7","2","3","3","2","1") = "6"
    & skf21("7","7","7","2","3","3","3","1") = "6"
    & skf21("7","7","7","2","3","3","4","1") = "6"
    & skf21("7","7","7","2","3","3","5","1") = "6"
    & skf21("7","7","7","2","3","3","6","1") = "6"
    & skf21("7","7","7","2","3","3","7","1") = "6"
    & skf21("7","7","7","2","3","4","1","1") = "6"
    & skf21("7","7","7","2","3","4","2","1") = "6"
    & skf21("7","7","7","2","3","4","3","1") = "6"
    & skf21("7","7","7","2","3","4","4","1") = "6"
    & skf21("7","7","7","2","3","4","5","1") = "6"
    & skf21("7","7","7","2","3","4","6","1") = "6"
    & skf21("7","7","7","2","3","4","7","1") = "6"
    & skf21("7","7","7","2","3","5","1","1") = "6"
    & skf21("7","7","7","2","3","5","2","1") = "6"
    & skf21("7","7","7","2","3","5","3","1") = "6"
    & skf21("7","7","7","2","3","5","4","1") = "6"
    & skf21("7","7","7","2","3","5","5","1") = "6"
    & skf21("7","7","7","2","3","5","6","1") = "6"
    & skf21("7","7","7","2","3","5","7","1") = "6"
    & skf21("7","7","7","2","3","6","1","1") = "6"
    & skf21("7","7","7","2","3","6","2","1") = "6"
    & skf21("7","7","7","2","3","6","3","1") = "6"
    & skf21("7","7","7","2","3","6","4","1") = "6"
    & skf21("7","7","7","2","3","6","5","1") = "6"
    & skf21("7","7","7","2","3","6","6","1") = "6"
    & skf21("7","7","7","2","3","6","7","1") = "6"
    & skf21("7","7","7","2","3","7","1","1") = "6"
    & skf21("7","7","7","2","3","7","2","1") = "6"
    & skf21("7","7","7","2","3","7","3","1") = "6"
    & skf21("7","7","7","2","3","7","4","1") = "6"
    & skf21("7","7","7","2","3","7","5","1") = "6"
    & skf21("7","7","7","2","3","7","6","1") = "6"
    & skf21("7","7","7","2","3","7","7","1") = "6"
    & skf21("7","7","7","2","4","1","1","1") = "6"
    & skf21("7","7","7","2","4","1","2","1") = "6"
    & skf21("7","7","7","2","4","1","3","1") = "6"
    & skf21("7","7","7","2","4","1","4","1") = "6"
    & skf21("7","7","7","2","4","1","5","1") = "6"
    & skf21("7","7","7","2","4","1","6","1") = "6"
    & skf21("7","7","7","2","4","1","7","1") = "6"
    & skf21("7","7","7","2","4","2","1","1") = "6"
    & skf21("7","7","7","2","4","2","2","1") = "6"
    & skf21("7","7","7","2","4","2","3","1") = "6"
    & skf21("7","7","7","2","4","2","4","1") = "6"
    & skf21("7","7","7","2","4","2","5","1") = "6"
    & skf21("7","7","7","2","4","2","6","1") = "6"
    & skf21("7","7","7","2","4","2","7","1") = "6"
    & skf21("7","7","7","2","4","3","1","1") = "6"
    & skf21("7","7","7","2","4","3","2","1") = "6"
    & skf21("7","7","7","2","4","3","3","1") = "6"
    & skf21("7","7","7","2","4","3","4","1") = "6"
    & skf21("7","7","7","2","4","3","5","1") = "6"
    & skf21("7","7","7","2","4","3","6","1") = "6"
    & skf21("7","7","7","2","4","3","7","1") = "6"
    & skf21("7","7","7","2","4","4","1","1") = "6"
    & skf21("7","7","7","2","4","4","2","1") = "6"
    & skf21("7","7","7","2","4","4","3","1") = "6"
    & skf21("7","7","7","2","4","4","4","1") = "6"
    & skf21("7","7","7","2","4","4","5","1") = "6"
    & skf21("7","7","7","2","4","4","6","1") = "6"
    & skf21("7","7","7","2","4","4","7","1") = "6"
    & skf21("7","7","7","2","4","5","1","1") = "6"
    & skf21("7","7","7","2","4","5","2","1") = "6"
    & skf21("7","7","7","2","4","5","3","1") = "6"
    & skf21("7","7","7","2","4","5","4","1") = "6"
    & skf21("7","7","7","2","4","5","5","1") = "6"
    & skf21("7","7","7","2","4","5","6","1") = "6"
    & skf21("7","7","7","2","4","5","7","1") = "6"
    & skf21("7","7","7","2","4","6","1","1") = "6"
    & skf21("7","7","7","2","4","6","2","1") = "6"
    & skf21("7","7","7","2","4","6","3","1") = "6"
    & skf21("7","7","7","2","4","6","4","1") = "6"
    & skf21("7","7","7","2","4","6","5","1") = "6"
    & skf21("7","7","7","2","4","6","6","1") = "6"
    & skf21("7","7","7","2","4","6","7","1") = "6"
    & skf21("7","7","7","2","4","7","1","1") = "6"
    & skf21("7","7","7","2","4","7","2","1") = "6"
    & skf21("7","7","7","2","4","7","3","1") = "6"
    & skf21("7","7","7","2","4","7","4","1") = "6"
    & skf21("7","7","7","2","4","7","5","1") = "6"
    & skf21("7","7","7","2","4","7","6","1") = "6"
    & skf21("7","7","7","2","4","7","7","1") = "6"
    & skf21("7","7","7","2","5","1","1","1") = "6"
    & skf21("7","7","7","2","5","1","2","1") = "6"
    & skf21("7","7","7","2","5","1","3","1") = "6"
    & skf21("7","7","7","2","5","1","4","1") = "6"
    & skf21("7","7","7","2","5","1","5","1") = "6"
    & skf21("7","7","7","2","5","1","6","1") = "6"
    & skf21("7","7","7","2","5","1","7","1") = "6"
    & skf21("7","7","7","2","5","2","1","1") = "6"
    & skf21("7","7","7","2","5","2","2","1") = "6"
    & skf21("7","7","7","2","5","2","3","1") = "6"
    & skf21("7","7","7","2","5","2","4","1") = "6"
    & skf21("7","7","7","2","5","2","5","1") = "6"
    & skf21("7","7","7","2","5","2","6","1") = "6"
    & skf21("7","7","7","2","5","2","7","1") = "6"
    & skf21("7","7","7","2","5","3","1","1") = "6"
    & skf21("7","7","7","2","5","3","2","1") = "6"
    & skf21("7","7","7","2","5","3","3","1") = "6"
    & skf21("7","7","7","2","5","3","4","1") = "6"
    & skf21("7","7","7","2","5","3","5","1") = "6"
    & skf21("7","7","7","2","5","3","6","1") = "6"
    & skf21("7","7","7","2","5","3","7","1") = "6"
    & skf21("7","7","7","2","5","4","1","1") = "6"
    & skf21("7","7","7","2","5","4","2","1") = "6"
    & skf21("7","7","7","2","5","4","3","1") = "6"
    & skf21("7","7","7","2","5","4","4","1") = "6"
    & skf21("7","7","7","2","5","4","5","1") = "6"
    & skf21("7","7","7","2","5","4","6","1") = "6"
    & skf21("7","7","7","2","5","4","7","1") = "6"
    & skf21("7","7","7","2","5","5","1","1") = "6"
    & skf21("7","7","7","2","5","5","2","1") = "6"
    & skf21("7","7","7","2","5","5","3","1") = "6"
    & skf21("7","7","7","2","5","5","4","1") = "6"
    & skf21("7","7","7","2","5","5","5","1") = "6"
    & skf21("7","7","7","2","5","5","6","1") = "6"
    & skf21("7","7","7","2","5","5","7","1") = "6"
    & skf21("7","7","7","2","5","6","1","1") = "6"
    & skf21("7","7","7","2","5","6","2","1") = "6"
    & skf21("7","7","7","2","5","6","3","1") = "6"
    & skf21("7","7","7","2","5","6","4","1") = "6"
    & skf21("7","7","7","2","5","6","5","1") = "6"
    & skf21("7","7","7","2","5","6","6","1") = "6"
    & skf21("7","7","7","2","5","6","7","1") = "6"
    & skf21("7","7","7","2","5","7","1","1") = "6"
    & skf21("7","7","7","2","5","7","2","1") = "6"
    & skf21("7","7","7","2","5","7","3","1") = "6"
    & skf21("7","7","7","2","5","7","4","1") = "6"
    & skf21("7","7","7","2","5","7","5","1") = "6"
    & skf21("7","7","7","2","5","7","6","1") = "6"
    & skf21("7","7","7","2","5","7","7","1") = "6"
    & skf21("7","7","7","2","6","1","1","1") = "6"
    & skf21("7","7","7","2","6","1","2","1") = "6"
    & skf21("7","7","7","2","6","1","3","1") = "6"
    & skf21("7","7","7","2","6","1","4","1") = "6"
    & skf21("7","7","7","2","6","1","5","1") = "6"
    & skf21("7","7","7","2","6","1","6","1") = "6"
    & skf21("7","7","7","2","6","1","7","1") = "6"
    & skf21("7","7","7","2","6","2","1","1") = "6"
    & skf21("7","7","7","2","6","2","2","1") = "6"
    & skf21("7","7","7","2","6","2","3","1") = "6"
    & skf21("7","7","7","2","6","2","4","1") = "6"
    & skf21("7","7","7","2","6","2","5","1") = "6"
    & skf21("7","7","7","2","6","2","6","1") = "6"
    & skf21("7","7","7","2","6","2","7","1") = "6"
    & skf21("7","7","7","2","6","3","1","1") = "6"
    & skf21("7","7","7","2","6","3","2","1") = "6"
    & skf21("7","7","7","2","6","3","3","1") = "6"
    & skf21("7","7","7","2","6","3","4","1") = "6"
    & skf21("7","7","7","2","6","3","5","1") = "6"
    & skf21("7","7","7","2","6","3","6","1") = "6"
    & skf21("7","7","7","2","6","3","7","1") = "6"
    & skf21("7","7","7","2","6","4","1","1") = "6"
    & skf21("7","7","7","2","6","4","2","1") = "6"
    & skf21("7","7","7","2","6","4","3","1") = "6"
    & skf21("7","7","7","2","6","4","4","1") = "6"
    & skf21("7","7","7","2","6","4","5","1") = "6"
    & skf21("7","7","7","2","6","4","6","1") = "6"
    & skf21("7","7","7","2","6","4","7","1") = "6"
    & skf21("7","7","7","2","6","5","1","1") = "6"
    & skf21("7","7","7","2","6","5","2","1") = "6"
    & skf21("7","7","7","2","6","5","3","1") = "6"
    & skf21("7","7","7","2","6","5","4","1") = "6"
    & skf21("7","7","7","2","6","5","5","1") = "6"
    & skf21("7","7","7","2","6","5","6","1") = "6"
    & skf21("7","7","7","2","6","5","7","1") = "6"
    & skf21("7","7","7","2","6","6","1","1") = "6"
    & skf21("7","7","7","2","6","6","2","1") = "6"
    & skf21("7","7","7","2","6","6","3","1") = "6"
    & skf21("7","7","7","2","6","6","4","1") = "6"
    & skf21("7","7","7","2","6","6","5","1") = "6"
    & skf21("7","7","7","2","6","6","6","1") = "6"
    & skf21("7","7","7","2","6","6","7","1") = "6"
    & skf21("7","7","7","2","6","7","1","1") = "6"
    & skf21("7","7","7","2","6","7","2","1") = "6"
    & skf21("7","7","7","2","6","7","3","1") = "6"
    & skf21("7","7","7","2","6","7","4","1") = "6"
    & skf21("7","7","7","2","6","7","5","1") = "6"
    & skf21("7","7","7","2","6","7","6","1") = "6"
    & skf21("7","7","7","2","6","7","7","1") = "6"
    & skf21("7","7","7","2","7","1","1","1") = "6"
    & skf21("7","7","7","2","7","1","2","1") = "6"
    & skf21("7","7","7","2","7","1","3","1") = "6"
    & skf21("7","7","7","2","7","1","4","1") = "6"
    & skf21("7","7","7","2","7","1","5","1") = "6"
    & skf21("7","7","7","2","7","1","6","1") = "6"
    & skf21("7","7","7","2","7","1","7","1") = "6"
    & skf21("7","7","7","2","7","2","1","1") = "6"
    & skf21("7","7","7","2","7","2","2","1") = "6"
    & skf21("7","7","7","2","7","2","3","1") = "6"
    & skf21("7","7","7","2","7","2","4","1") = "6"
    & skf21("7","7","7","2","7","2","5","1") = "6"
    & skf21("7","7","7","2","7","2","6","1") = "6"
    & skf21("7","7","7","2","7","2","7","1") = "6"
    & skf21("7","7","7","2","7","3","1","1") = "6"
    & skf21("7","7","7","2","7","3","2","1") = "6"
    & skf21("7","7","7","2","7","3","3","1") = "6"
    & skf21("7","7","7","2","7","3","4","1") = "6"
    & skf21("7","7","7","2","7","3","5","1") = "6"
    & skf21("7","7","7","2","7","3","6","1") = "6"
    & skf21("7","7","7","2","7","3","7","1") = "6"
    & skf21("7","7","7","2","7","4","1","1") = "6"
    & skf21("7","7","7","2","7","4","2","1") = "6"
    & skf21("7","7","7","2","7","4","3","1") = "6"
    & skf21("7","7","7","2","7","4","4","1") = "6"
    & skf21("7","7","7","2","7","4","5","1") = "6"
    & skf21("7","7","7","2","7","4","6","1") = "6"
    & skf21("7","7","7","2","7","4","7","1") = "6"
    & skf21("7","7","7","2","7","5","1","1") = "6"
    & skf21("7","7","7","2","7","5","2","1") = "6"
    & skf21("7","7","7","2","7","5","3","1") = "6"
    & skf21("7","7","7","2","7","5","4","1") = "6"
    & skf21("7","7","7","2","7","5","5","1") = "6"
    & skf21("7","7","7","2","7","5","6","1") = "6"
    & skf21("7","7","7","2","7","5","7","1") = "6"
    & skf21("7","7","7","2","7","6","1","1") = "6"
    & skf21("7","7","7","2","7","6","2","1") = "6"
    & skf21("7","7","7","2","7","6","3","1") = "6"
    & skf21("7","7","7","2","7","6","4","1") = "6"
    & skf21("7","7","7","2","7","6","5","1") = "6"
    & skf21("7","7","7","2","7","6","6","1") = "6"
    & skf21("7","7","7","2","7","6","7","1") = "6"
    & skf21("7","7","7","2","7","7","1","1") = "6"
    & skf21("7","7","7","2","7","7","2","1") = "6"
    & skf21("7","7","7","2","7","7","3","1") = "6"
    & skf21("7","7","7","2","7","7","4","1") = "6"
    & skf21("7","7","7","2","7","7","5","1") = "6"
    & skf21("7","7","7","2","7","7","6","1") = "6"
    & skf21("7","7","7","2","7","7","7","1") = "6"
    & skf21("7","7","7","3","1","1","1","1") = "6"
    & skf21("7","7","7","3","1","1","2","1") = "6"
    & skf21("7","7","7","3","1","1","3","1") = "6"
    & skf21("7","7","7","3","1","1","4","1") = "6"
    & skf21("7","7","7","3","1","1","5","1") = "6"
    & skf21("7","7","7","3","1","1","6","1") = "6"
    & skf21("7","7","7","3","1","1","7","1") = "6"
    & skf21("7","7","7","3","1","2","1","1") = "6"
    & skf21("7","7","7","3","1","2","2","1") = "6"
    & skf21("7","7","7","3","1","2","3","1") = "6"
    & skf21("7","7","7","3","1","2","4","1") = "6"
    & skf21("7","7","7","3","1","2","5","1") = "6"
    & skf21("7","7","7","3","1","2","6","1") = "6"
    & skf21("7","7","7","3","1","2","7","1") = "6"
    & skf21("7","7","7","3","1","3","1","1") = "6"
    & skf21("7","7","7","3","1","3","2","1") = "6"
    & skf21("7","7","7","3","1","3","3","1") = "6"
    & skf21("7","7","7","3","1","3","4","1") = "6"
    & skf21("7","7","7","3","1","3","5","1") = "6"
    & skf21("7","7","7","3","1","3","6","1") = "6"
    & skf21("7","7","7","3","1","3","7","1") = "6"
    & skf21("7","7","7","3","1","4","1","1") = "6"
    & skf21("7","7","7","3","1","4","2","1") = "6"
    & skf21("7","7","7","3","1","4","3","1") = "6"
    & skf21("7","7","7","3","1","4","4","1") = "6"
    & skf21("7","7","7","3","1","4","5","1") = "6"
    & skf21("7","7","7","3","1","4","6","1") = "6"
    & skf21("7","7","7","3","1","4","7","1") = "6"
    & skf21("7","7","7","3","1","5","1","1") = "6"
    & skf21("7","7","7","3","1","5","2","1") = "6"
    & skf21("7","7","7","3","1","5","3","1") = "6"
    & skf21("7","7","7","3","1","5","4","1") = "6"
    & skf21("7","7","7","3","1","5","5","1") = "6"
    & skf21("7","7","7","3","1","5","6","1") = "6"
    & skf21("7","7","7","3","1","5","7","1") = "6"
    & skf21("7","7","7","3","1","6","1","1") = "6"
    & skf21("7","7","7","3","1","6","2","1") = "6"
    & skf21("7","7","7","3","1","6","3","1") = "6"
    & skf21("7","7","7","3","1","6","4","1") = "6"
    & skf21("7","7","7","3","1","6","5","1") = "6"
    & skf21("7","7","7","3","1","6","6","1") = "6"
    & skf21("7","7","7","3","1","6","7","1") = "6"
    & skf21("7","7","7","3","1","7","1","1") = "6"
    & skf21("7","7","7","3","1","7","2","1") = "6"
    & skf21("7","7","7","3","1","7","3","1") = "6"
    & skf21("7","7","7","3","1","7","4","1") = "6"
    & skf21("7","7","7","3","1","7","5","1") = "6"
    & skf21("7","7","7","3","1","7","6","1") = "6"
    & skf21("7","7","7","3","1","7","7","1") = "6"
    & skf21("7","7","7","3","2","1","1","1") = "6"
    & skf21("7","7","7","3","2","1","2","1") = "6"
    & skf21("7","7","7","3","2","1","3","1") = "6"
    & skf21("7","7","7","3","2","1","4","1") = "6"
    & skf21("7","7","7","3","2","1","5","1") = "6"
    & skf21("7","7","7","3","2","1","6","1") = "6"
    & skf21("7","7","7","3","2","1","7","1") = "6"
    & skf21("7","7","7","3","2","2","1","1") = "6"
    & skf21("7","7","7","3","2","2","2","1") = "6"
    & skf21("7","7","7","3","2","2","3","1") = "6"
    & skf21("7","7","7","3","2","2","4","1") = "6"
    & skf21("7","7","7","3","2","2","5","1") = "6"
    & skf21("7","7","7","3","2","2","6","1") = "6"
    & skf21("7","7","7","3","2","2","7","1") = "6"
    & skf21("7","7","7","3","2","3","1","1") = "6"
    & skf21("7","7","7","3","2","3","2","1") = "6"
    & skf21("7","7","7","3","2","3","3","1") = "6"
    & skf21("7","7","7","3","2","3","4","1") = "6"
    & skf21("7","7","7","3","2","3","5","1") = "6"
    & skf21("7","7","7","3","2","3","6","1") = "6"
    & skf21("7","7","7","3","2","3","7","1") = "6"
    & skf21("7","7","7","3","2","4","1","1") = "6"
    & skf21("7","7","7","3","2","4","2","1") = "6"
    & skf21("7","7","7","3","2","4","3","1") = "6"
    & skf21("7","7","7","3","2","4","4","1") = "6"
    & skf21("7","7","7","3","2","4","5","1") = "6"
    & skf21("7","7","7","3","2","4","6","1") = "6"
    & skf21("7","7","7","3","2","4","7","1") = "6"
    & skf21("7","7","7","3","2","5","1","1") = "6"
    & skf21("7","7","7","3","2","5","2","1") = "6"
    & skf21("7","7","7","3","2","5","3","1") = "6"
    & skf21("7","7","7","3","2","5","4","1") = "6"
    & skf21("7","7","7","3","2","5","5","1") = "6"
    & skf21("7","7","7","3","2","5","6","1") = "6"
    & skf21("7","7","7","3","2","5","7","1") = "6"
    & skf21("7","7","7","3","2","6","1","1") = "6"
    & skf21("7","7","7","3","2","6","2","1") = "6"
    & skf21("7","7","7","3","2","6","3","1") = "6"
    & skf21("7","7","7","3","2","6","4","1") = "6"
    & skf21("7","7","7","3","2","6","5","1") = "6"
    & skf21("7","7","7","3","2","6","6","1") = "6"
    & skf21("7","7","7","3","2","6","7","1") = "6"
    & skf21("7","7","7","3","2","7","1","1") = "6"
    & skf21("7","7","7","3","2","7","2","1") = "6"
    & skf21("7","7","7","3","2","7","3","1") = "6"
    & skf21("7","7","7","3","2","7","4","1") = "6"
    & skf21("7","7","7","3","2","7","5","1") = "6"
    & skf21("7","7","7","3","2","7","6","1") = "6"
    & skf21("7","7","7","3","2","7","7","1") = "6"
    & skf21("7","7","7","3","3","1","1","1") = "6"
    & skf21("7","7","7","3","3","1","2","1") = "6"
    & skf21("7","7","7","3","3","1","3","1") = "6"
    & skf21("7","7","7","3","3","1","4","1") = "6"
    & skf21("7","7","7","3","3","1","5","1") = "6"
    & skf21("7","7","7","3","3","1","6","1") = "6"
    & skf21("7","7","7","3","3","1","7","1") = "6"
    & skf21("7","7","7","3","3","2","1","1") = "6"
    & skf21("7","7","7","3","3","2","2","1") = "6"
    & skf21("7","7","7","3","3","2","3","1") = "6"
    & skf21("7","7","7","3","3","2","4","1") = "6"
    & skf21("7","7","7","3","3","2","5","1") = "6"
    & skf21("7","7","7","3","3","2","6","1") = "6"
    & skf21("7","7","7","3","3","2","7","1") = "6"
    & skf21("7","7","7","3","3","3","1","1") = "6"
    & skf21("7","7","7","3","3","3","2","1") = "6"
    & skf21("7","7","7","3","3","3","3","1") = "6"
    & skf21("7","7","7","3","3","3","4","1") = "6"
    & skf21("7","7","7","3","3","3","5","1") = "6"
    & skf21("7","7","7","3","3","3","6","1") = "6"
    & skf21("7","7","7","3","3","3","7","1") = "6"
    & skf21("7","7","7","3","3","4","1","1") = "6"
    & skf21("7","7","7","3","3","4","2","1") = "6"
    & skf21("7","7","7","3","3","4","3","1") = "6"
    & skf21("7","7","7","3","3","4","4","1") = "6"
    & skf21("7","7","7","3","3","4","5","1") = "6"
    & skf21("7","7","7","3","3","4","6","1") = "6"
    & skf21("7","7","7","3","3","4","7","1") = "6"
    & skf21("7","7","7","3","3","5","1","1") = "6"
    & skf21("7","7","7","3","3","5","2","1") = "6"
    & skf21("7","7","7","3","3","5","3","1") = "6"
    & skf21("7","7","7","3","3","5","4","1") = "6"
    & skf21("7","7","7","3","3","5","5","1") = "6"
    & skf21("7","7","7","3","3","5","6","1") = "6"
    & skf21("7","7","7","3","3","5","7","1") = "6"
    & skf21("7","7","7","3","3","6","1","1") = "6"
    & skf21("7","7","7","3","3","6","2","1") = "6"
    & skf21("7","7","7","3","3","6","3","1") = "6"
    & skf21("7","7","7","3","3","6","4","1") = "6"
    & skf21("7","7","7","3","3","6","5","1") = "6"
    & skf21("7","7","7","3","3","6","6","1") = "6"
    & skf21("7","7","7","3","3","6","7","1") = "6"
    & skf21("7","7","7","3","3","7","1","1") = "6"
    & skf21("7","7","7","3","3","7","2","1") = "6"
    & skf21("7","7","7","3","3","7","3","1") = "6"
    & skf21("7","7","7","3","3","7","4","1") = "6"
    & skf21("7","7","7","3","3","7","5","1") = "6"
    & skf21("7","7","7","3","3","7","6","1") = "6"
    & skf21("7","7","7","3","3","7","7","1") = "6"
    & skf21("7","7","7","3","4","1","1","1") = "6"
    & skf21("7","7","7","3","4","1","2","1") = "6"
    & skf21("7","7","7","3","4","1","3","1") = "6"
    & skf21("7","7","7","3","4","1","4","1") = "6"
    & skf21("7","7","7","3","4","1","5","1") = "6"
    & skf21("7","7","7","3","4","1","6","1") = "6"
    & skf21("7","7","7","3","4","1","7","1") = "6"
    & skf21("7","7","7","3","4","2","1","1") = "6"
    & skf21("7","7","7","3","4","2","2","1") = "6"
    & skf21("7","7","7","3","4","2","3","1") = "6"
    & skf21("7","7","7","3","4","2","4","1") = "6"
    & skf21("7","7","7","3","4","2","5","1") = "6"
    & skf21("7","7","7","3","4","2","6","1") = "6"
    & skf21("7","7","7","3","4","2","7","1") = "6"
    & skf21("7","7","7","3","4","3","1","1") = "6"
    & skf21("7","7","7","3","4","3","2","1") = "6"
    & skf21("7","7","7","3","4","3","3","1") = "6"
    & skf21("7","7","7","3","4","3","4","1") = "6"
    & skf21("7","7","7","3","4","3","5","1") = "6"
    & skf21("7","7","7","3","4","3","6","1") = "6"
    & skf21("7","7","7","3","4","3","7","1") = "6"
    & skf21("7","7","7","3","4","4","1","1") = "6"
    & skf21("7","7","7","3","4","4","2","1") = "6"
    & skf21("7","7","7","3","4","4","3","1") = "6"
    & skf21("7","7","7","3","4","4","4","1") = "6"
    & skf21("7","7","7","3","4","4","5","1") = "6"
    & skf21("7","7","7","3","4","4","6","1") = "6"
    & skf21("7","7","7","3","4","4","7","1") = "6"
    & skf21("7","7","7","3","4","5","1","1") = "6"
    & skf21("7","7","7","3","4","5","2","1") = "6"
    & skf21("7","7","7","3","4","5","3","1") = "6"
    & skf21("7","7","7","3","4","5","4","1") = "6"
    & skf21("7","7","7","3","4","5","5","1") = "6"
    & skf21("7","7","7","3","4","5","6","1") = "6"
    & skf21("7","7","7","3","4","5","7","1") = "6"
    & skf21("7","7","7","3","4","6","1","1") = "6"
    & skf21("7","7","7","3","4","6","2","1") = "6"
    & skf21("7","7","7","3","4","6","3","1") = "6"
    & skf21("7","7","7","3","4","6","4","1") = "6"
    & skf21("7","7","7","3","4","6","5","1") = "6"
    & skf21("7","7","7","3","4","6","6","1") = "6"
    & skf21("7","7","7","3","4","6","7","1") = "6"
    & skf21("7","7","7","3","4","7","1","1") = "6"
    & skf21("7","7","7","3","4","7","2","1") = "6"
    & skf21("7","7","7","3","4","7","3","1") = "6"
    & skf21("7","7","7","3","4","7","4","1") = "6"
    & skf21("7","7","7","3","4","7","5","1") = "6"
    & skf21("7","7","7","3","4","7","6","1") = "6"
    & skf21("7","7","7","3","4","7","7","1") = "6"
    & skf21("7","7","7","3","5","1","1","1") = "6"
    & skf21("7","7","7","3","5","1","2","1") = "6"
    & skf21("7","7","7","3","5","1","3","1") = "6"
    & skf21("7","7","7","3","5","1","4","1") = "6"
    & skf21("7","7","7","3","5","1","5","1") = "6"
    & skf21("7","7","7","3","5","1","6","1") = "6"
    & skf21("7","7","7","3","5","1","7","1") = "6"
    & skf21("7","7","7","3","5","2","1","1") = "6"
    & skf21("7","7","7","3","5","2","2","1") = "6"
    & skf21("7","7","7","3","5","2","3","1") = "6"
    & skf21("7","7","7","3","5","2","4","1") = "6"
    & skf21("7","7","7","3","5","2","5","1") = "6"
    & skf21("7","7","7","3","5","2","6","1") = "6"
    & skf21("7","7","7","3","5","2","7","1") = "6"
    & skf21("7","7","7","3","5","3","1","1") = "6"
    & skf21("7","7","7","3","5","3","2","1") = "6"
    & skf21("7","7","7","3","5","3","3","1") = "6"
    & skf21("7","7","7","3","5","3","4","1") = "6"
    & skf21("7","7","7","3","5","3","5","1") = "6"
    & skf21("7","7","7","3","5","3","6","1") = "6"
    & skf21("7","7","7","3","5","3","7","1") = "6"
    & skf21("7","7","7","3","5","4","1","1") = "6"
    & skf21("7","7","7","3","5","4","2","1") = "6"
    & skf21("7","7","7","3","5","4","3","1") = "6"
    & skf21("7","7","7","3","5","4","4","1") = "6"
    & skf21("7","7","7","3","5","4","5","1") = "6"
    & skf21("7","7","7","3","5","4","6","1") = "6"
    & skf21("7","7","7","3","5","4","7","1") = "6"
    & skf21("7","7","7","3","5","5","1","1") = "6"
    & skf21("7","7","7","3","5","5","2","1") = "6"
    & skf21("7","7","7","3","5","5","3","1") = "6"
    & skf21("7","7","7","3","5","5","4","1") = "6"
    & skf21("7","7","7","3","5","5","5","1") = "6"
    & skf21("7","7","7","3","5","5","6","1") = "6"
    & skf21("7","7","7","3","5","5","7","1") = "6"
    & skf21("7","7","7","3","5","6","1","1") = "6"
    & skf21("7","7","7","3","5","6","2","1") = "6"
    & skf21("7","7","7","3","5","6","3","1") = "6"
    & skf21("7","7","7","3","5","6","4","1") = "6"
    & skf21("7","7","7","3","5","6","5","1") = "6"
    & skf21("7","7","7","3","5","6","6","1") = "6"
    & skf21("7","7","7","3","5","6","7","1") = "6"
    & skf21("7","7","7","3","5","7","1","1") = "6"
    & skf21("7","7","7","3","5","7","2","1") = "6"
    & skf21("7","7","7","3","5","7","3","1") = "6"
    & skf21("7","7","7","3","5","7","4","1") = "6"
    & skf21("7","7","7","3","5","7","5","1") = "6"
    & skf21("7","7","7","3","5","7","6","1") = "6"
    & skf21("7","7","7","3","5","7","7","1") = "6"
    & skf21("7","7","7","3","6","1","1","1") = "6"
    & skf21("7","7","7","3","6","1","2","1") = "6"
    & skf21("7","7","7","3","6","1","3","1") = "6"
    & skf21("7","7","7","3","6","1","4","1") = "6"
    & skf21("7","7","7","3","6","1","5","1") = "6"
    & skf21("7","7","7","3","6","1","6","1") = "6"
    & skf21("7","7","7","3","6","1","7","1") = "6"
    & skf21("7","7","7","3","6","2","1","1") = "6"
    & skf21("7","7","7","3","6","2","2","1") = "6"
    & skf21("7","7","7","3","6","2","3","1") = "6"
    & skf21("7","7","7","3","6","2","4","1") = "6"
    & skf21("7","7","7","3","6","2","5","1") = "6"
    & skf21("7","7","7","3","6","2","6","1") = "6"
    & skf21("7","7","7","3","6","2","7","1") = "6"
    & skf21("7","7","7","3","6","3","1","1") = "6"
    & skf21("7","7","7","3","6","3","2","1") = "6"
    & skf21("7","7","7","3","6","3","3","1") = "6"
    & skf21("7","7","7","3","6","3","4","1") = "6"
    & skf21("7","7","7","3","6","3","5","1") = "6"
    & skf21("7","7","7","3","6","3","6","1") = "6"
    & skf21("7","7","7","3","6","3","7","1") = "6"
    & skf21("7","7","7","3","6","4","1","1") = "6"
    & skf21("7","7","7","3","6","4","2","1") = "6"
    & skf21("7","7","7","3","6","4","3","1") = "6"
    & skf21("7","7","7","3","6","4","4","1") = "6"
    & skf21("7","7","7","3","6","4","5","1") = "6"
    & skf21("7","7","7","3","6","4","6","1") = "6"
    & skf21("7","7","7","3","6","4","7","1") = "6"
    & skf21("7","7","7","3","6","5","1","1") = "6"
    & skf21("7","7","7","3","6","5","2","1") = "6"
    & skf21("7","7","7","3","6","5","3","1") = "6"
    & skf21("7","7","7","3","6","5","4","1") = "6"
    & skf21("7","7","7","3","6","5","5","1") = "6"
    & skf21("7","7","7","3","6","5","6","1") = "6"
    & skf21("7","7","7","3","6","5","7","1") = "6"
    & skf21("7","7","7","3","6","6","1","1") = "6"
    & skf21("7","7","7","3","6","6","2","1") = "6"
    & skf21("7","7","7","3","6","6","3","1") = "6"
    & skf21("7","7","7","3","6","6","4","1") = "6"
    & skf21("7","7","7","3","6","6","5","1") = "6"
    & skf21("7","7","7","3","6","6","6","1") = "6"
    & skf21("7","7","7","3","6","6","7","1") = "6"
    & skf21("7","7","7","3","6","7","1","1") = "6"
    & skf21("7","7","7","3","6","7","2","1") = "6"
    & skf21("7","7","7","3","6","7","3","1") = "6"
    & skf21("7","7","7","3","6","7","4","1") = "6"
    & skf21("7","7","7","3","6","7","5","1") = "6"
    & skf21("7","7","7","3","6","7","6","1") = "6"
    & skf21("7","7","7","3","6","7","7","1") = "6"
    & skf21("7","7","7","3","7","1","1","1") = "6"
    & skf21("7","7","7","3","7","1","2","1") = "6"
    & skf21("7","7","7","3","7","1","3","1") = "6"
    & skf21("7","7","7","3","7","1","4","1") = "6"
    & skf21("7","7","7","3","7","1","5","1") = "6"
    & skf21("7","7","7","3","7","1","6","1") = "6"
    & skf21("7","7","7","3","7","1","7","1") = "6"
    & skf21("7","7","7","3","7","2","1","1") = "6"
    & skf21("7","7","7","3","7","2","2","1") = "6"
    & skf21("7","7","7","3","7","2","3","1") = "6"
    & skf21("7","7","7","3","7","2","4","1") = "6"
    & skf21("7","7","7","3","7","2","5","1") = "6"
    & skf21("7","7","7","3","7","2","6","1") = "6"
    & skf21("7","7","7","3","7","2","7","1") = "6"
    & skf21("7","7","7","3","7","3","1","1") = "6"
    & skf21("7","7","7","3","7","3","2","1") = "6"
    & skf21("7","7","7","3","7","3","3","1") = "6"
    & skf21("7","7","7","3","7","3","4","1") = "6"
    & skf21("7","7","7","3","7","3","5","1") = "6"
    & skf21("7","7","7","3","7","3","6","1") = "6"
    & skf21("7","7","7","3","7","3","7","1") = "6"
    & skf21("7","7","7","3","7","4","1","1") = "6"
    & skf21("7","7","7","3","7","4","2","1") = "6"
    & skf21("7","7","7","3","7","4","3","1") = "6"
    & skf21("7","7","7","3","7","4","4","1") = "6"
    & skf21("7","7","7","3","7","4","5","1") = "6"
    & skf21("7","7","7","3","7","4","6","1") = "6"
    & skf21("7","7","7","3","7","4","7","1") = "6"
    & skf21("7","7","7","3","7","5","1","1") = "6"
    & skf21("7","7","7","3","7","5","2","1") = "6"
    & skf21("7","7","7","3","7","5","3","1") = "6"
    & skf21("7","7","7","3","7","5","4","1") = "6"
    & skf21("7","7","7","3","7","5","5","1") = "6"
    & skf21("7","7","7","3","7","5","6","1") = "6"
    & skf21("7","7","7","3","7","5","7","1") = "6"
    & skf21("7","7","7","3","7","6","1","1") = "6"
    & skf21("7","7","7","3","7","6","2","1") = "6"
    & skf21("7","7","7","3","7","6","3","1") = "6"
    & skf21("7","7","7","3","7","6","4","1") = "6"
    & skf21("7","7","7","3","7","6","5","1") = "6"
    & skf21("7","7","7","3","7","6","6","1") = "6"
    & skf21("7","7","7","3","7","6","7","1") = "6"
    & skf21("7","7","7","3","7","7","1","1") = "6"
    & skf21("7","7","7","3","7","7","2","1") = "6"
    & skf21("7","7","7","3","7","7","3","1") = "6"
    & skf21("7","7","7","3","7","7","4","1") = "6"
    & skf21("7","7","7","3","7","7","5","1") = "6"
    & skf21("7","7","7","3","7","7","6","1") = "6"
    & skf21("7","7","7","3","7","7","7","1") = "6"
    & skf21("7","7","7","4","1","1","1","1") = "6"
    & skf21("7","7","7","4","1","1","2","1") = "6"
    & skf21("7","7","7","4","1","1","3","1") = "6"
    & skf21("7","7","7","4","1","1","4","1") = "6"
    & skf21("7","7","7","4","1","1","5","1") = "6"
    & skf21("7","7","7","4","1","1","6","1") = "6"
    & skf21("7","7","7","4","1","1","7","1") = "6"
    & skf21("7","7","7","4","1","2","1","1") = "6"
    & skf21("7","7","7","4","1","2","2","1") = "6"
    & skf21("7","7","7","4","1","2","3","1") = "6"
    & skf21("7","7","7","4","1","2","4","1") = "6"
    & skf21("7","7","7","4","1","2","5","1") = "6"
    & skf21("7","7","7","4","1","2","6","1") = "6"
    & skf21("7","7","7","4","1","2","7","1") = "6"
    & skf21("7","7","7","4","1","3","1","1") = "6"
    & skf21("7","7","7","4","1","3","2","1") = "6"
    & skf21("7","7","7","4","1","3","3","1") = "6"
    & skf21("7","7","7","4","1","3","4","1") = "6"
    & skf21("7","7","7","4","1","3","5","1") = "6"
    & skf21("7","7","7","4","1","3","6","1") = "6"
    & skf21("7","7","7","4","1","3","7","1") = "6"
    & skf21("7","7","7","4","1","4","1","1") = "6"
    & skf21("7","7","7","4","1","4","2","1") = "6"
    & skf21("7","7","7","4","1","4","3","1") = "6"
    & skf21("7","7","7","4","1","4","4","1") = "6"
    & skf21("7","7","7","4","1","4","5","1") = "6"
    & skf21("7","7","7","4","1","4","6","1") = "6"
    & skf21("7","7","7","4","1","4","7","1") = "6"
    & skf21("7","7","7","4","1","5","1","1") = "6"
    & skf21("7","7","7","4","1","5","2","1") = "6"
    & skf21("7","7","7","4","1","5","3","1") = "6"
    & skf21("7","7","7","4","1","5","4","1") = "6"
    & skf21("7","7","7","4","1","5","5","1") = "6"
    & skf21("7","7","7","4","1","5","6","1") = "6"
    & skf21("7","7","7","4","1","5","7","1") = "6"
    & skf21("7","7","7","4","1","6","1","1") = "6"
    & skf21("7","7","7","4","1","6","2","1") = "6"
    & skf21("7","7","7","4","1","6","3","1") = "6"
    & skf21("7","7","7","4","1","6","4","1") = "6"
    & skf21("7","7","7","4","1","6","5","1") = "6"
    & skf21("7","7","7","4","1","6","6","1") = "6"
    & skf21("7","7","7","4","1","6","7","1") = "6"
    & skf21("7","7","7","4","1","7","1","1") = "6"
    & skf21("7","7","7","4","1","7","2","1") = "6"
    & skf21("7","7","7","4","1","7","3","1") = "6"
    & skf21("7","7","7","4","1","7","4","1") = "6"
    & skf21("7","7","7","4","1","7","5","1") = "6"
    & skf21("7","7","7","4","1","7","6","1") = "6"
    & skf21("7","7","7","4","1","7","7","1") = "6"
    & skf21("7","7","7","4","2","1","1","1") = "6"
    & skf21("7","7","7","4","2","1","2","1") = "6"
    & skf21("7","7","7","4","2","1","3","1") = "6"
    & skf21("7","7","7","4","2","1","4","1") = "6"
    & skf21("7","7","7","4","2","1","5","1") = "6"
    & skf21("7","7","7","4","2","1","6","1") = "6"
    & skf21("7","7","7","4","2","1","7","1") = "6"
    & skf21("7","7","7","4","2","2","1","1") = "6"
    & skf21("7","7","7","4","2","2","2","1") = "6"
    & skf21("7","7","7","4","2","2","3","1") = "6"
    & skf21("7","7","7","4","2","2","4","1") = "6"
    & skf21("7","7","7","4","2","2","5","1") = "6"
    & skf21("7","7","7","4","2","2","6","1") = "6"
    & skf21("7","7","7","4","2","2","7","1") = "6"
    & skf21("7","7","7","4","2","3","1","1") = "6"
    & skf21("7","7","7","4","2","3","2","1") = "6"
    & skf21("7","7","7","4","2","3","3","1") = "6"
    & skf21("7","7","7","4","2","3","4","1") = "6"
    & skf21("7","7","7","4","2","3","5","1") = "6"
    & skf21("7","7","7","4","2","3","6","1") = "6"
    & skf21("7","7","7","4","2","3","7","1") = "6"
    & skf21("7","7","7","4","2","4","1","1") = "6"
    & skf21("7","7","7","4","2","4","2","1") = "6"
    & skf21("7","7","7","4","2","4","3","1") = "6"
    & skf21("7","7","7","4","2","4","4","1") = "6"
    & skf21("7","7","7","4","2","4","5","1") = "6"
    & skf21("7","7","7","4","2","4","6","1") = "6"
    & skf21("7","7","7","4","2","4","7","1") = "6"
    & skf21("7","7","7","4","2","5","1","1") = "6"
    & skf21("7","7","7","4","2","5","2","1") = "6"
    & skf21("7","7","7","4","2","5","3","1") = "6"
    & skf21("7","7","7","4","2","5","4","1") = "6"
    & skf21("7","7","7","4","2","5","5","1") = "6"
    & skf21("7","7","7","4","2","5","6","1") = "6"
    & skf21("7","7","7","4","2","5","7","1") = "6"
    & skf21("7","7","7","4","2","6","1","1") = "6"
    & skf21("7","7","7","4","2","6","2","1") = "6"
    & skf21("7","7","7","4","2","6","3","1") = "6"
    & skf21("7","7","7","4","2","6","4","1") = "6"
    & skf21("7","7","7","4","2","6","5","1") = "6"
    & skf21("7","7","7","4","2","6","6","1") = "6"
    & skf21("7","7","7","4","2","6","7","1") = "6"
    & skf21("7","7","7","4","2","7","1","1") = "6"
    & skf21("7","7","7","4","2","7","2","1") = "6"
    & skf21("7","7","7","4","2","7","3","1") = "6"
    & skf21("7","7","7","4","2","7","4","1") = "6"
    & skf21("7","7","7","4","2","7","5","1") = "6"
    & skf21("7","7","7","4","2","7","6","1") = "6"
    & skf21("7","7","7","4","2","7","7","1") = "6"
    & skf21("7","7","7","4","3","1","1","1") = "6"
    & skf21("7","7","7","4","3","1","2","1") = "6"
    & skf21("7","7","7","4","3","1","3","1") = "6"
    & skf21("7","7","7","4","3","1","4","1") = "6"
    & skf21("7","7","7","4","3","1","5","1") = "6"
    & skf21("7","7","7","4","3","1","6","1") = "6"
    & skf21("7","7","7","4","3","1","7","1") = "6"
    & skf21("7","7","7","4","3","2","1","1") = "6"
    & skf21("7","7","7","4","3","2","2","1") = "6"
    & skf21("7","7","7","4","3","2","3","1") = "6"
    & skf21("7","7","7","4","3","2","4","1") = "6"
    & skf21("7","7","7","4","3","2","5","1") = "6"
    & skf21("7","7","7","4","3","2","6","1") = "6"
    & skf21("7","7","7","4","3","2","7","1") = "6"
    & skf21("7","7","7","4","3","3","1","1") = "6"
    & skf21("7","7","7","4","3","3","2","1") = "6"
    & skf21("7","7","7","4","3","3","3","1") = "6"
    & skf21("7","7","7","4","3","3","4","1") = "6"
    & skf21("7","7","7","4","3","3","5","1") = "6"
    & skf21("7","7","7","4","3","3","6","1") = "6"
    & skf21("7","7","7","4","3","3","7","1") = "6"
    & skf21("7","7","7","4","3","4","1","1") = "6"
    & skf21("7","7","7","4","3","4","2","1") = "6"
    & skf21("7","7","7","4","3","4","3","1") = "6"
    & skf21("7","7","7","4","3","4","4","1") = "6"
    & skf21("7","7","7","4","3","4","5","1") = "6"
    & skf21("7","7","7","4","3","4","6","1") = "6"
    & skf21("7","7","7","4","3","4","7","1") = "6"
    & skf21("7","7","7","4","3","5","1","1") = "6"
    & skf21("7","7","7","4","3","5","2","1") = "6"
    & skf21("7","7","7","4","3","5","3","1") = "6"
    & skf21("7","7","7","4","3","5","4","1") = "6"
    & skf21("7","7","7","4","3","5","5","1") = "6"
    & skf21("7","7","7","4","3","5","6","1") = "6"
    & skf21("7","7","7","4","3","5","7","1") = "6"
    & skf21("7","7","7","4","3","6","1","1") = "6"
    & skf21("7","7","7","4","3","6","2","1") = "6"
    & skf21("7","7","7","4","3","6","3","1") = "6"
    & skf21("7","7","7","4","3","6","4","1") = "6"
    & skf21("7","7","7","4","3","6","5","1") = "6"
    & skf21("7","7","7","4","3","6","6","1") = "6"
    & skf21("7","7","7","4","3","6","7","1") = "6"
    & skf21("7","7","7","4","3","7","1","1") = "6"
    & skf21("7","7","7","4","3","7","2","1") = "6"
    & skf21("7","7","7","4","3","7","3","1") = "6"
    & skf21("7","7","7","4","3","7","4","1") = "6"
    & skf21("7","7","7","4","3","7","5","1") = "6"
    & skf21("7","7","7","4","3","7","6","1") = "6"
    & skf21("7","7","7","4","3","7","7","1") = "6"
    & skf21("7","7","7","4","4","1","1","1") = "6"
    & skf21("7","7","7","4","4","1","2","1") = "6"
    & skf21("7","7","7","4","4","1","3","1") = "6"
    & skf21("7","7","7","4","4","1","4","1") = "6"
    & skf21("7","7","7","4","4","1","5","1") = "6"
    & skf21("7","7","7","4","4","1","6","1") = "6"
    & skf21("7","7","7","4","4","1","7","1") = "6"
    & skf21("7","7","7","4","4","2","1","1") = "6"
    & skf21("7","7","7","4","4","2","2","1") = "6"
    & skf21("7","7","7","4","4","2","3","1") = "6"
    & skf21("7","7","7","4","4","2","4","1") = "6"
    & skf21("7","7","7","4","4","2","5","1") = "6"
    & skf21("7","7","7","4","4","2","6","1") = "6"
    & skf21("7","7","7","4","4","2","7","1") = "6"
    & skf21("7","7","7","4","4","3","1","1") = "6"
    & skf21("7","7","7","4","4","3","2","1") = "6"
    & skf21("7","7","7","4","4","3","3","1") = "6"
    & skf21("7","7","7","4","4","3","4","1") = "6"
    & skf21("7","7","7","4","4","3","5","1") = "6"
    & skf21("7","7","7","4","4","3","6","1") = "6"
    & skf21("7","7","7","4","4","3","7","1") = "6"
    & skf21("7","7","7","4","4","4","1","1") = "6"
    & skf21("7","7","7","4","4","4","2","1") = "6"
    & skf21("7","7","7","4","4","4","3","1") = "6"
    & skf21("7","7","7","4","4","4","4","1") = "6"
    & skf21("7","7","7","4","4","4","5","1") = "6"
    & skf21("7","7","7","4","4","4","6","1") = "6"
    & skf21("7","7","7","4","4","4","7","1") = "6"
    & skf21("7","7","7","4","4","5","1","1") = "6"
    & skf21("7","7","7","4","4","5","2","1") = "6"
    & skf21("7","7","7","4","4","5","3","1") = "6"
    & skf21("7","7","7","4","4","5","4","1") = "6"
    & skf21("7","7","7","4","4","5","5","1") = "6"
    & skf21("7","7","7","4","4","5","6","1") = "6"
    & skf21("7","7","7","4","4","5","7","1") = "6"
    & skf21("7","7","7","4","4","6","1","1") = "6"
    & skf21("7","7","7","4","4","6","2","1") = "6"
    & skf21("7","7","7","4","4","6","3","1") = "6"
    & skf21("7","7","7","4","4","6","4","1") = "6"
    & skf21("7","7","7","4","4","6","5","1") = "6"
    & skf21("7","7","7","4","4","6","6","1") = "6"
    & skf21("7","7","7","4","4","6","7","1") = "6"
    & skf21("7","7","7","4","4","7","1","1") = "6"
    & skf21("7","7","7","4","4","7","2","1") = "6"
    & skf21("7","7","7","4","4","7","3","1") = "6"
    & skf21("7","7","7","4","4","7","4","1") = "6"
    & skf21("7","7","7","4","4","7","5","1") = "6"
    & skf21("7","7","7","4","4","7","6","1") = "6"
    & skf21("7","7","7","4","4","7","7","1") = "6"
    & skf21("7","7","7","4","5","1","1","1") = "6"
    & skf21("7","7","7","4","5","1","2","1") = "6"
    & skf21("7","7","7","4","5","1","3","1") = "6"
    & skf21("7","7","7","4","5","1","4","1") = "6"
    & skf21("7","7","7","4","5","1","5","1") = "6"
    & skf21("7","7","7","4","5","1","6","1") = "6"
    & skf21("7","7","7","4","5","1","7","1") = "6"
    & skf21("7","7","7","4","5","2","1","1") = "6"
    & skf21("7","7","7","4","5","2","2","1") = "6"
    & skf21("7","7","7","4","5","2","3","1") = "6"
    & skf21("7","7","7","4","5","2","4","1") = "6"
    & skf21("7","7","7","4","5","2","5","1") = "6"
    & skf21("7","7","7","4","5","2","6","1") = "6"
    & skf21("7","7","7","4","5","2","7","1") = "6"
    & skf21("7","7","7","4","5","3","1","1") = "6"
    & skf21("7","7","7","4","5","3","2","1") = "6"
    & skf21("7","7","7","4","5","3","3","1") = "6"
    & skf21("7","7","7","4","5","3","4","1") = "6"
    & skf21("7","7","7","4","5","3","5","1") = "6"
    & skf21("7","7","7","4","5","3","6","1") = "6"
    & skf21("7","7","7","4","5","3","7","1") = "6"
    & skf21("7","7","7","4","5","4","1","1") = "6"
    & skf21("7","7","7","4","5","4","2","1") = "6"
    & skf21("7","7","7","4","5","4","3","1") = "6"
    & skf21("7","7","7","4","5","4","4","1") = "6"
    & skf21("7","7","7","4","5","4","5","1") = "6"
    & skf21("7","7","7","4","5","4","6","1") = "6"
    & skf21("7","7","7","4","5","4","7","1") = "6"
    & skf21("7","7","7","4","5","5","1","1") = "6"
    & skf21("7","7","7","4","5","5","2","1") = "6"
    & skf21("7","7","7","4","5","5","3","1") = "6"
    & skf21("7","7","7","4","5","5","4","1") = "6"
    & skf21("7","7","7","4","5","5","5","1") = "6"
    & skf21("7","7","7","4","5","5","6","1") = "6"
    & skf21("7","7","7","4","5","5","7","1") = "6"
    & skf21("7","7","7","4","5","6","1","1") = "6"
    & skf21("7","7","7","4","5","6","2","1") = "6"
    & skf21("7","7","7","4","5","6","3","1") = "6"
    & skf21("7","7","7","4","5","6","4","1") = "6"
    & skf21("7","7","7","4","5","6","5","1") = "6"
    & skf21("7","7","7","4","5","6","6","1") = "6"
    & skf21("7","7","7","4","5","6","7","1") = "6"
    & skf21("7","7","7","4","5","7","1","1") = "6"
    & skf21("7","7","7","4","5","7","2","1") = "6"
    & skf21("7","7","7","4","5","7","3","1") = "6"
    & skf21("7","7","7","4","5","7","4","1") = "6"
    & skf21("7","7","7","4","5","7","5","1") = "6"
    & skf21("7","7","7","4","5","7","6","1") = "6"
    & skf21("7","7","7","4","5","7","7","1") = "6"
    & skf21("7","7","7","4","6","1","1","1") = "6"
    & skf21("7","7","7","4","6","1","2","1") = "6"
    & skf21("7","7","7","4","6","1","3","1") = "6"
    & skf21("7","7","7","4","6","1","4","1") = "6"
    & skf21("7","7","7","4","6","1","5","1") = "6"
    & skf21("7","7","7","4","6","1","6","1") = "6"
    & skf21("7","7","7","4","6","1","7","1") = "6"
    & skf21("7","7","7","4","6","2","1","1") = "6"
    & skf21("7","7","7","4","6","2","2","1") = "6"
    & skf21("7","7","7","4","6","2","3","1") = "6"
    & skf21("7","7","7","4","6","2","4","1") = "6"
    & skf21("7","7","7","4","6","2","5","1") = "6"
    & skf21("7","7","7","4","6","2","6","1") = "6"
    & skf21("7","7","7","4","6","2","7","1") = "6"
    & skf21("7","7","7","4","6","3","1","1") = "6"
    & skf21("7","7","7","4","6","3","2","1") = "6"
    & skf21("7","7","7","4","6","3","3","1") = "6"
    & skf21("7","7","7","4","6","3","4","1") = "6"
    & skf21("7","7","7","4","6","3","5","1") = "6"
    & skf21("7","7","7","4","6","3","6","1") = "6"
    & skf21("7","7","7","4","6","3","7","1") = "6"
    & skf21("7","7","7","4","6","4","1","1") = "6"
    & skf21("7","7","7","4","6","4","2","1") = "6"
    & skf21("7","7","7","4","6","4","3","1") = "6"
    & skf21("7","7","7","4","6","4","4","1") = "6"
    & skf21("7","7","7","4","6","4","5","1") = "6"
    & skf21("7","7","7","4","6","4","6","1") = "6"
    & skf21("7","7","7","4","6","4","7","1") = "6"
    & skf21("7","7","7","4","6","5","1","1") = "6"
    & skf21("7","7","7","4","6","5","2","1") = "6"
    & skf21("7","7","7","4","6","5","3","1") = "6"
    & skf21("7","7","7","4","6","5","4","1") = "6"
    & skf21("7","7","7","4","6","5","5","1") = "6"
    & skf21("7","7","7","4","6","5","6","1") = "6"
    & skf21("7","7","7","4","6","5","7","1") = "6"
    & skf21("7","7","7","4","6","6","1","1") = "6"
    & skf21("7","7","7","4","6","6","2","1") = "6"
    & skf21("7","7","7","4","6","6","3","1") = "6"
    & skf21("7","7","7","4","6","6","4","1") = "6"
    & skf21("7","7","7","4","6","6","5","1") = "6"
    & skf21("7","7","7","4","6","6","6","1") = "6"
    & skf21("7","7","7","4","6","6","7","1") = "6"
    & skf21("7","7","7","4","6","7","1","1") = "6"
    & skf21("7","7","7","4","6","7","2","1") = "6"
    & skf21("7","7","7","4","6","7","3","1") = "6"
    & skf21("7","7","7","4","6","7","4","1") = "6"
    & skf21("7","7","7","4","6","7","5","1") = "6"
    & skf21("7","7","7","4","6","7","6","1") = "6"
    & skf21("7","7","7","4","6","7","7","1") = "6"
    & skf21("7","7","7","4","7","1","1","1") = "6"
    & skf21("7","7","7","4","7","1","2","1") = "6"
    & skf21("7","7","7","4","7","1","3","1") = "6"
    & skf21("7","7","7","4","7","1","4","1") = "6"
    & skf21("7","7","7","4","7","1","5","1") = "6"
    & skf21("7","7","7","4","7","1","6","1") = "6"
    & skf21("7","7","7","4","7","1","7","1") = "6"
    & skf21("7","7","7","4","7","2","1","1") = "6"
    & skf21("7","7","7","4","7","2","2","1") = "6"
    & skf21("7","7","7","4","7","2","3","1") = "6"
    & skf21("7","7","7","4","7","2","4","1") = "6"
    & skf21("7","7","7","4","7","2","5","1") = "6"
    & skf21("7","7","7","4","7","2","6","1") = "6"
    & skf21("7","7","7","4","7","2","7","1") = "6"
    & skf21("7","7","7","4","7","3","1","1") = "6"
    & skf21("7","7","7","4","7","3","2","1") = "6"
    & skf21("7","7","7","4","7","3","3","1") = "6"
    & skf21("7","7","7","4","7","3","4","1") = "6"
    & skf21("7","7","7","4","7","3","5","1") = "6"
    & skf21("7","7","7","4","7","3","6","1") = "6"
    & skf21("7","7","7","4","7","3","7","1") = "6"
    & skf21("7","7","7","4","7","4","1","1") = "6"
    & skf21("7","7","7","4","7","4","2","1") = "6"
    & skf21("7","7","7","4","7","4","3","1") = "6"
    & skf21("7","7","7","4","7","4","4","1") = "6"
    & skf21("7","7","7","4","7","4","5","1") = "6"
    & skf21("7","7","7","4","7","4","6","1") = "6"
    & skf21("7","7","7","4","7","4","7","1") = "6"
    & skf21("7","7","7","4","7","5","1","1") = "6"
    & skf21("7","7","7","4","7","5","2","1") = "6"
    & skf21("7","7","7","4","7","5","3","1") = "6"
    & skf21("7","7","7","4","7","5","4","1") = "6"
    & skf21("7","7","7","4","7","5","5","1") = "6"
    & skf21("7","7","7","4","7","5","6","1") = "6"
    & skf21("7","7","7","4","7","5","7","1") = "6"
    & skf21("7","7","7","4","7","6","1","1") = "6"
    & skf21("7","7","7","4","7","6","2","1") = "6"
    & skf21("7","7","7","4","7","6","3","1") = "6"
    & skf21("7","7","7","4","7","6","4","1") = "6"
    & skf21("7","7","7","4","7","6","5","1") = "6"
    & skf21("7","7","7","4","7","6","6","1") = "6"
    & skf21("7","7","7","4","7","6","7","1") = "6"
    & skf21("7","7","7","4","7","7","1","1") = "6"
    & skf21("7","7","7","4","7","7","2","1") = "6"
    & skf21("7","7","7","4","7","7","3","1") = "6"
    & skf21("7","7","7","4","7","7","4","1") = "6"
    & skf21("7","7","7","4","7","7","5","1") = "6"
    & skf21("7","7","7","4","7","7","6","1") = "6"
    & skf21("7","7","7","4","7","7","7","1") = "6"
    & skf21("7","7","7","5","1","1","1","1") = "6"
    & skf21("7","7","7","5","1","1","2","1") = "6"
    & skf21("7","7","7","5","1","1","3","1") = "6"
    & skf21("7","7","7","5","1","1","4","1") = "6"
    & skf21("7","7","7","5","1","1","5","1") = "6"
    & skf21("7","7","7","5","1","1","6","1") = "6"
    & skf21("7","7","7","5","1","1","7","1") = "6"
    & skf21("7","7","7","5","1","2","1","1") = "6"
    & skf21("7","7","7","5","1","2","2","1") = "6"
    & skf21("7","7","7","5","1","2","3","1") = "6"
    & skf21("7","7","7","5","1","2","4","1") = "6"
    & skf21("7","7","7","5","1","2","5","1") = "6"
    & skf21("7","7","7","5","1","2","6","1") = "6"
    & skf21("7","7","7","5","1","2","7","1") = "6"
    & skf21("7","7","7","5","1","3","1","1") = "6"
    & skf21("7","7","7","5","1","3","2","1") = "6"
    & skf21("7","7","7","5","1","3","3","1") = "6"
    & skf21("7","7","7","5","1","3","4","1") = "6"
    & skf21("7","7","7","5","1","3","5","1") = "6"
    & skf21("7","7","7","5","1","3","6","1") = "6"
    & skf21("7","7","7","5","1","3","7","1") = "6"
    & skf21("7","7","7","5","1","4","1","1") = "6"
    & skf21("7","7","7","5","1","4","2","1") = "6"
    & skf21("7","7","7","5","1","4","3","1") = "6"
    & skf21("7","7","7","5","1","4","4","1") = "6"
    & skf21("7","7","7","5","1","4","5","1") = "6"
    & skf21("7","7","7","5","1","4","6","1") = "6"
    & skf21("7","7","7","5","1","4","7","1") = "6"
    & skf21("7","7","7","5","1","5","1","1") = "6"
    & skf21("7","7","7","5","1","5","2","1") = "6"
    & skf21("7","7","7","5","1","5","3","1") = "6"
    & skf21("7","7","7","5","1","5","4","1") = "6"
    & skf21("7","7","7","5","1","5","5","1") = "6"
    & skf21("7","7","7","5","1","5","6","1") = "6"
    & skf21("7","7","7","5","1","5","7","1") = "6"
    & skf21("7","7","7","5","1","6","1","1") = "6"
    & skf21("7","7","7","5","1","6","2","1") = "6"
    & skf21("7","7","7","5","1","6","3","1") = "6"
    & skf21("7","7","7","5","1","6","4","1") = "6"
    & skf21("7","7","7","5","1","6","5","1") = "6"
    & skf21("7","7","7","5","1","6","6","1") = "6"
    & skf21("7","7","7","5","1","6","7","1") = "6"
    & skf21("7","7","7","5","1","7","1","1") = "6"
    & skf21("7","7","7","5","1","7","2","1") = "6"
    & skf21("7","7","7","5","1","7","3","1") = "6"
    & skf21("7","7","7","5","1","7","4","1") = "6"
    & skf21("7","7","7","5","1","7","5","1") = "6"
    & skf21("7","7","7","5","1","7","6","1") = "6"
    & skf21("7","7","7","5","1","7","7","1") = "6"
    & skf21("7","7","7","5","2","1","1","1") = "6"
    & skf21("7","7","7","5","2","1","2","1") = "6"
    & skf21("7","7","7","5","2","1","3","1") = "6"
    & skf21("7","7","7","5","2","1","4","1") = "6"
    & skf21("7","7","7","5","2","1","5","1") = "6"
    & skf21("7","7","7","5","2","1","6","1") = "6"
    & skf21("7","7","7","5","2","1","7","1") = "6"
    & skf21("7","7","7","5","2","2","1","1") = "6"
    & skf21("7","7","7","5","2","2","2","1") = "6"
    & skf21("7","7","7","5","2","2","3","1") = "6"
    & skf21("7","7","7","5","2","2","4","1") = "6"
    & skf21("7","7","7","5","2","2","5","1") = "6"
    & skf21("7","7","7","5","2","2","6","1") = "6"
    & skf21("7","7","7","5","2","2","7","1") = "6"
    & skf21("7","7","7","5","2","3","1","1") = "6"
    & skf21("7","7","7","5","2","3","2","1") = "6"
    & skf21("7","7","7","5","2","3","3","1") = "6"
    & skf21("7","7","7","5","2","3","4","1") = "6"
    & skf21("7","7","7","5","2","3","5","1") = "6"
    & skf21("7","7","7","5","2","3","6","1") = "6"
    & skf21("7","7","7","5","2","3","7","1") = "6"
    & skf21("7","7","7","5","2","4","1","1") = "6"
    & skf21("7","7","7","5","2","4","2","1") = "6"
    & skf21("7","7","7","5","2","4","3","1") = "6"
    & skf21("7","7","7","5","2","4","4","1") = "6"
    & skf21("7","7","7","5","2","4","5","1") = "6"
    & skf21("7","7","7","5","2","4","6","1") = "6"
    & skf21("7","7","7","5","2","4","7","1") = "6"
    & skf21("7","7","7","5","2","5","1","1") = "6"
    & skf21("7","7","7","5","2","5","2","1") = "6"
    & skf21("7","7","7","5","2","5","3","1") = "6"
    & skf21("7","7","7","5","2","5","4","1") = "6"
    & skf21("7","7","7","5","2","5","5","1") = "6"
    & skf21("7","7","7","5","2","5","6","1") = "6"
    & skf21("7","7","7","5","2","5","7","1") = "6"
    & skf21("7","7","7","5","2","6","1","1") = "6"
    & skf21("7","7","7","5","2","6","2","1") = "6"
    & skf21("7","7","7","5","2","6","3","1") = "6"
    & skf21("7","7","7","5","2","6","4","1") = "6"
    & skf21("7","7","7","5","2","6","5","1") = "6"
    & skf21("7","7","7","5","2","6","6","1") = "6"
    & skf21("7","7","7","5","2","6","7","1") = "6"
    & skf21("7","7","7","5","2","7","1","1") = "6"
    & skf21("7","7","7","5","2","7","2","1") = "6"
    & skf21("7","7","7","5","2","7","3","1") = "6"
    & skf21("7","7","7","5","2","7","4","1") = "6"
    & skf21("7","7","7","5","2","7","5","1") = "6"
    & skf21("7","7","7","5","2","7","6","1") = "6"
    & skf21("7","7","7","5","2","7","7","1") = "6"
    & skf21("7","7","7","5","3","1","1","1") = "6"
    & skf21("7","7","7","5","3","1","2","1") = "6"
    & skf21("7","7","7","5","3","1","3","1") = "6"
    & skf21("7","7","7","5","3","1","4","1") = "6"
    & skf21("7","7","7","5","3","1","5","1") = "6"
    & skf21("7","7","7","5","3","1","6","1") = "6"
    & skf21("7","7","7","5","3","1","7","1") = "6"
    & skf21("7","7","7","5","3","2","1","1") = "6"
    & skf21("7","7","7","5","3","2","2","1") = "6"
    & skf21("7","7","7","5","3","2","3","1") = "6"
    & skf21("7","7","7","5","3","2","4","1") = "6"
    & skf21("7","7","7","5","3","2","5","1") = "6"
    & skf21("7","7","7","5","3","2","6","1") = "6"
    & skf21("7","7","7","5","3","2","7","1") = "6"
    & skf21("7","7","7","5","3","3","1","1") = "6"
    & skf21("7","7","7","5","3","3","2","1") = "6"
    & skf21("7","7","7","5","3","3","3","1") = "6"
    & skf21("7","7","7","5","3","3","4","1") = "6"
    & skf21("7","7","7","5","3","3","5","1") = "6"
    & skf21("7","7","7","5","3","3","6","1") = "6"
    & skf21("7","7","7","5","3","3","7","1") = "6"
    & skf21("7","7","7","5","3","4","1","1") = "6"
    & skf21("7","7","7","5","3","4","2","1") = "6"
    & skf21("7","7","7","5","3","4","3","1") = "6"
    & skf21("7","7","7","5","3","4","4","1") = "6"
    & skf21("7","7","7","5","3","4","5","1") = "6"
    & skf21("7","7","7","5","3","4","6","1") = "6"
    & skf21("7","7","7","5","3","4","7","1") = "6"
    & skf21("7","7","7","5","3","5","1","1") = "6"
    & skf21("7","7","7","5","3","5","2","1") = "6"
    & skf21("7","7","7","5","3","5","3","1") = "6"
    & skf21("7","7","7","5","3","5","4","1") = "6"
    & skf21("7","7","7","5","3","5","5","1") = "6"
    & skf21("7","7","7","5","3","5","6","1") = "6"
    & skf21("7","7","7","5","3","5","7","1") = "6"
    & skf21("7","7","7","5","3","6","1","1") = "6"
    & skf21("7","7","7","5","3","6","2","1") = "6"
    & skf21("7","7","7","5","3","6","3","1") = "6"
    & skf21("7","7","7","5","3","6","4","1") = "6"
    & skf21("7","7","7","5","3","6","5","1") = "6"
    & skf21("7","7","7","5","3","6","6","1") = "6"
    & skf21("7","7","7","5","3","6","7","1") = "6"
    & skf21("7","7","7","5","3","7","1","1") = "6"
    & skf21("7","7","7","5","3","7","2","1") = "6"
    & skf21("7","7","7","5","3","7","3","1") = "6"
    & skf21("7","7","7","5","3","7","4","1") = "6"
    & skf21("7","7","7","5","3","7","5","1") = "6"
    & skf21("7","7","7","5","3","7","6","1") = "6"
    & skf21("7","7","7","5","3","7","7","1") = "6"
    & skf21("7","7","7","5","4","1","1","1") = "6"
    & skf21("7","7","7","5","4","1","2","1") = "6"
    & skf21("7","7","7","5","4","1","3","1") = "6"
    & skf21("7","7","7","5","4","1","4","1") = "6"
    & skf21("7","7","7","5","4","1","5","1") = "6"
    & skf21("7","7","7","5","4","1","6","1") = "6"
    & skf21("7","7","7","5","4","1","7","1") = "6"
    & skf21("7","7","7","5","4","2","1","1") = "6"
    & skf21("7","7","7","5","4","2","2","1") = "6"
    & skf21("7","7","7","5","4","2","3","1") = "6"
    & skf21("7","7","7","5","4","2","4","1") = "6"
    & skf21("7","7","7","5","4","2","5","1") = "6"
    & skf21("7","7","7","5","4","2","6","1") = "6"
    & skf21("7","7","7","5","4","2","7","1") = "6"
    & skf21("7","7","7","5","4","3","1","1") = "6"
    & skf21("7","7","7","5","4","3","2","1") = "6"
    & skf21("7","7","7","5","4","3","3","1") = "6"
    & skf21("7","7","7","5","4","3","4","1") = "6"
    & skf21("7","7","7","5","4","3","5","1") = "6"
    & skf21("7","7","7","5","4","3","6","1") = "6"
    & skf21("7","7","7","5","4","3","7","1") = "6"
    & skf21("7","7","7","5","4","4","1","1") = "6"
    & skf21("7","7","7","5","4","4","2","1") = "6"
    & skf21("7","7","7","5","4","4","3","1") = "6"
    & skf21("7","7","7","5","4","4","4","1") = "6"
    & skf21("7","7","7","5","4","4","5","1") = "6"
    & skf21("7","7","7","5","4","4","6","1") = "6"
    & skf21("7","7","7","5","4","4","7","1") = "6"
    & skf21("7","7","7","5","4","5","1","1") = "6"
    & skf21("7","7","7","5","4","5","2","1") = "6"
    & skf21("7","7","7","5","4","5","3","1") = "6"
    & skf21("7","7","7","5","4","5","4","1") = "6"
    & skf21("7","7","7","5","4","5","5","1") = "6"
    & skf21("7","7","7","5","4","5","6","1") = "6"
    & skf21("7","7","7","5","4","5","7","1") = "6"
    & skf21("7","7","7","5","4","6","1","1") = "6"
    & skf21("7","7","7","5","4","6","2","1") = "6"
    & skf21("7","7","7","5","4","6","3","1") = "6"
    & skf21("7","7","7","5","4","6","4","1") = "6"
    & skf21("7","7","7","5","4","6","5","1") = "6"
    & skf21("7","7","7","5","4","6","6","1") = "6"
    & skf21("7","7","7","5","4","6","7","1") = "6"
    & skf21("7","7","7","5","4","7","1","1") = "6"
    & skf21("7","7","7","5","4","7","2","1") = "6"
    & skf21("7","7","7","5","4","7","3","1") = "6"
    & skf21("7","7","7","5","4","7","4","1") = "6"
    & skf21("7","7","7","5","4","7","5","1") = "6"
    & skf21("7","7","7","5","4","7","6","1") = "6"
    & skf21("7","7","7","5","4","7","7","1") = "6"
    & skf21("7","7","7","5","5","1","1","1") = "6"
    & skf21("7","7","7","5","5","1","2","1") = "6"
    & skf21("7","7","7","5","5","1","3","1") = "6"
    & skf21("7","7","7","5","5","1","4","1") = "6"
    & skf21("7","7","7","5","5","1","5","1") = "6"
    & skf21("7","7","7","5","5","1","6","1") = "6"
    & skf21("7","7","7","5","5","1","7","1") = "6"
    & skf21("7","7","7","5","5","2","1","1") = "6"
    & skf21("7","7","7","5","5","2","2","1") = "6"
    & skf21("7","7","7","5","5","2","3","1") = "6"
    & skf21("7","7","7","5","5","2","4","1") = "6"
    & skf21("7","7","7","5","5","2","5","1") = "6"
    & skf21("7","7","7","5","5","2","6","1") = "6"
    & skf21("7","7","7","5","5","2","7","1") = "6"
    & skf21("7","7","7","5","5","3","1","1") = "6"
    & skf21("7","7","7","5","5","3","2","1") = "6"
    & skf21("7","7","7","5","5","3","3","1") = "6"
    & skf21("7","7","7","5","5","3","4","1") = "6"
    & skf21("7","7","7","5","5","3","5","1") = "6"
    & skf21("7","7","7","5","5","3","6","1") = "6"
    & skf21("7","7","7","5","5","3","7","1") = "6"
    & skf21("7","7","7","5","5","4","1","1") = "6"
    & skf21("7","7","7","5","5","4","2","1") = "6"
    & skf21("7","7","7","5","5","4","3","1") = "6"
    & skf21("7","7","7","5","5","4","4","1") = "6"
    & skf21("7","7","7","5","5","4","5","1") = "6"
    & skf21("7","7","7","5","5","4","6","1") = "6"
    & skf21("7","7","7","5","5","4","7","1") = "6"
    & skf21("7","7","7","5","5","5","1","1") = "6"
    & skf21("7","7","7","5","5","5","2","1") = "6"
    & skf21("7","7","7","5","5","5","3","1") = "6"
    & skf21("7","7","7","5","5","5","4","1") = "6"
    & skf21("7","7","7","5","5","5","5","1") = "6"
    & skf21("7","7","7","5","5","5","6","1") = "6"
    & skf21("7","7","7","5","5","5","7","1") = "6"
    & skf21("7","7","7","5","5","6","1","1") = "6"
    & skf21("7","7","7","5","5","6","2","1") = "6"
    & skf21("7","7","7","5","5","6","3","1") = "6"
    & skf21("7","7","7","5","5","6","4","1") = "6"
    & skf21("7","7","7","5","5","6","5","1") = "6"
    & skf21("7","7","7","5","5","6","6","1") = "6"
    & skf21("7","7","7","5","5","6","7","1") = "6"
    & skf21("7","7","7","5","5","7","1","1") = "6"
    & skf21("7","7","7","5","5","7","2","1") = "6"
    & skf21("7","7","7","5","5","7","3","1") = "6"
    & skf21("7","7","7","5","5","7","4","1") = "6"
    & skf21("7","7","7","5","5","7","5","1") = "6"
    & skf21("7","7","7","5","5","7","6","1") = "6"
    & skf21("7","7","7","5","5","7","7","1") = "6"
    & skf21("7","7","7","5","6","1","1","1") = "6"
    & skf21("7","7","7","5","6","1","2","1") = "6"
    & skf21("7","7","7","5","6","1","3","1") = "6"
    & skf21("7","7","7","5","6","1","4","1") = "6"
    & skf21("7","7","7","5","6","1","5","1") = "6"
    & skf21("7","7","7","5","6","1","6","1") = "6"
    & skf21("7","7","7","5","6","1","7","1") = "6"
    & skf21("7","7","7","5","6","2","1","1") = "6"
    & skf21("7","7","7","5","6","2","2","1") = "6"
    & skf21("7","7","7","5","6","2","3","1") = "6"
    & skf21("7","7","7","5","6","2","4","1") = "6"
    & skf21("7","7","7","5","6","2","5","1") = "6"
    & skf21("7","7","7","5","6","2","6","1") = "6"
    & skf21("7","7","7","5","6","2","7","1") = "6"
    & skf21("7","7","7","5","6","3","1","1") = "6"
    & skf21("7","7","7","5","6","3","2","1") = "6"
    & skf21("7","7","7","5","6","3","3","1") = "6"
    & skf21("7","7","7","5","6","3","4","1") = "6"
    & skf21("7","7","7","5","6","3","5","1") = "6"
    & skf21("7","7","7","5","6","3","6","1") = "6"
    & skf21("7","7","7","5","6","3","7","1") = "6"
    & skf21("7","7","7","5","6","4","1","1") = "6"
    & skf21("7","7","7","5","6","4","2","1") = "6"
    & skf21("7","7","7","5","6","4","3","1") = "6"
    & skf21("7","7","7","5","6","4","4","1") = "6"
    & skf21("7","7","7","5","6","4","5","1") = "6"
    & skf21("7","7","7","5","6","4","6","1") = "6"
    & skf21("7","7","7","5","6","4","7","1") = "6"
    & skf21("7","7","7","5","6","5","1","1") = "6"
    & skf21("7","7","7","5","6","5","2","1") = "6"
    & skf21("7","7","7","5","6","5","3","1") = "6"
    & skf21("7","7","7","5","6","5","4","1") = "6"
    & skf21("7","7","7","5","6","5","5","1") = "6"
    & skf21("7","7","7","5","6","5","6","1") = "6"
    & skf21("7","7","7","5","6","5","7","1") = "6"
    & skf21("7","7","7","5","6","6","1","1") = "6"
    & skf21("7","7","7","5","6","6","2","1") = "6"
    & skf21("7","7","7","5","6","6","3","1") = "6"
    & skf21("7","7","7","5","6","6","4","1") = "6"
    & skf21("7","7","7","5","6","6","5","1") = "6"
    & skf21("7","7","7","5","6","6","6","1") = "6"
    & skf21("7","7","7","5","6","6","7","1") = "6"
    & skf21("7","7","7","5","6","7","1","1") = "6"
    & skf21("7","7","7","5","6","7","2","1") = "6"
    & skf21("7","7","7","5","6","7","3","1") = "6"
    & skf21("7","7","7","5","6","7","4","1") = "6"
    & skf21("7","7","7","5","6","7","5","1") = "6"
    & skf21("7","7","7","5","6","7","6","1") = "6"
    & skf21("7","7","7","5","6","7","7","1") = "6"
    & skf21("7","7","7","5","7","1","1","1") = "6"
    & skf21("7","7","7","5","7","1","2","1") = "6"
    & skf21("7","7","7","5","7","1","3","1") = "6"
    & skf21("7","7","7","5","7","1","4","1") = "6"
    & skf21("7","7","7","5","7","1","5","1") = "6"
    & skf21("7","7","7","5","7","1","6","1") = "6"
    & skf21("7","7","7","5","7","1","7","1") = "6"
    & skf21("7","7","7","5","7","2","1","1") = "6"
    & skf21("7","7","7","5","7","2","2","1") = "6"
    & skf21("7","7","7","5","7","2","3","1") = "6"
    & skf21("7","7","7","5","7","2","4","1") = "6"
    & skf21("7","7","7","5","7","2","5","1") = "6"
    & skf21("7","7","7","5","7","2","6","1") = "6"
    & skf21("7","7","7","5","7","2","7","1") = "6"
    & skf21("7","7","7","5","7","3","1","1") = "6"
    & skf21("7","7","7","5","7","3","2","1") = "6"
    & skf21("7","7","7","5","7","3","3","1") = "6"
    & skf21("7","7","7","5","7","3","4","1") = "6"
    & skf21("7","7","7","5","7","3","5","1") = "6"
    & skf21("7","7","7","5","7","3","6","1") = "6"
    & skf21("7","7","7","5","7","3","7","1") = "6"
    & skf21("7","7","7","5","7","4","1","1") = "6"
    & skf21("7","7","7","5","7","4","2","1") = "6"
    & skf21("7","7","7","5","7","4","3","1") = "6"
    & skf21("7","7","7","5","7","4","4","1") = "6"
    & skf21("7","7","7","5","7","4","5","1") = "6"
    & skf21("7","7","7","5","7","4","6","1") = "6"
    & skf21("7","7","7","5","7","4","7","1") = "6"
    & skf21("7","7","7","5","7","5","1","1") = "6"
    & skf21("7","7","7","5","7","5","2","1") = "6"
    & skf21("7","7","7","5","7","5","3","1") = "6"
    & skf21("7","7","7","5","7","5","4","1") = "6"
    & skf21("7","7","7","5","7","5","5","1") = "6"
    & skf21("7","7","7","5","7","5","6","1") = "6"
    & skf21("7","7","7","5","7","5","7","1") = "6"
    & skf21("7","7","7","5","7","6","1","1") = "6"
    & skf21("7","7","7","5","7","6","2","1") = "6"
    & skf21("7","7","7","5","7","6","3","1") = "6"
    & skf21("7","7","7","5","7","6","4","1") = "6"
    & skf21("7","7","7","5","7","6","5","1") = "6"
    & skf21("7","7","7","5","7","6","6","1") = "6"
    & skf21("7","7","7","5","7","6","7","1") = "6"
    & skf21("7","7","7","5","7","7","1","1") = "6"
    & skf21("7","7","7","5","7","7","2","1") = "6"
    & skf21("7","7","7","5","7","7","3","1") = "6"
    & skf21("7","7","7","5","7","7","4","1") = "6"
    & skf21("7","7","7","5","7","7","5","1") = "6"
    & skf21("7","7","7","5","7","7","6","1") = "6"
    & skf21("7","7","7","5","7","7","7","1") = "6"
    & skf21("7","7","7","6","1","1","1","1") = "6"
    & skf21("7","7","7","6","1","1","2","1") = "6"
    & skf21("7","7","7","6","1","1","3","1") = "6"
    & skf21("7","7","7","6","1","1","4","1") = "6"
    & skf21("7","7","7","6","1","1","5","1") = "6"
    & skf21("7","7","7","6","1","1","6","1") = "6"
    & skf21("7","7","7","6","1","1","7","1") = "6"
    & skf21("7","7","7","6","1","2","1","1") = "6"
    & skf21("7","7","7","6","1","2","2","1") = "6"
    & skf21("7","7","7","6","1","2","3","1") = "6"
    & skf21("7","7","7","6","1","2","4","1") = "6"
    & skf21("7","7","7","6","1","2","5","1") = "6"
    & skf21("7","7","7","6","1","2","6","1") = "6"
    & skf21("7","7","7","6","1","2","7","1") = "6"
    & skf21("7","7","7","6","1","3","1","1") = "6"
    & skf21("7","7","7","6","1","3","2","1") = "6"
    & skf21("7","7","7","6","1","3","3","1") = "6"
    & skf21("7","7","7","6","1","3","4","1") = "6"
    & skf21("7","7","7","6","1","3","5","1") = "6"
    & skf21("7","7","7","6","1","3","6","1") = "6"
    & skf21("7","7","7","6","1","3","7","1") = "6"
    & skf21("7","7","7","6","1","4","1","1") = "6"
    & skf21("7","7","7","6","1","4","2","1") = "6"
    & skf21("7","7","7","6","1","4","3","1") = "6"
    & skf21("7","7","7","6","1","4","4","1") = "6"
    & skf21("7","7","7","6","1","4","5","1") = "6"
    & skf21("7","7","7","6","1","4","6","1") = "6"
    & skf21("7","7","7","6","1","4","7","1") = "6"
    & skf21("7","7","7","6","1","5","1","1") = "6"
    & skf21("7","7","7","6","1","5","2","1") = "6"
    & skf21("7","7","7","6","1","5","3","1") = "6"
    & skf21("7","7","7","6","1","5","4","1") = "6"
    & skf21("7","7","7","6","1","5","5","1") = "6"
    & skf21("7","7","7","6","1","5","6","1") = "6"
    & skf21("7","7","7","6","1","5","7","1") = "6"
    & skf21("7","7","7","6","1","6","1","1") = "6"
    & skf21("7","7","7","6","1","6","2","1") = "6"
    & skf21("7","7","7","6","1","6","3","1") = "6"
    & skf21("7","7","7","6","1","6","4","1") = "6"
    & skf21("7","7","7","6","1","6","5","1") = "6"
    & skf21("7","7","7","6","1","6","6","1") = "6"
    & skf21("7","7","7","6","1","6","7","1") = "6"
    & skf21("7","7","7","6","1","7","1","1") = "6"
    & skf21("7","7","7","6","1","7","2","1") = "6"
    & skf21("7","7","7","6","1","7","3","1") = "6"
    & skf21("7","7","7","6","1","7","4","1") = "6"
    & skf21("7","7","7","6","1","7","5","1") = "6"
    & skf21("7","7","7","6","1","7","6","1") = "6"
    & skf21("7","7","7","6","1","7","7","1") = "6"
    & skf21("7","7","7","6","2","1","1","1") = "6"
    & skf21("7","7","7","6","2","1","2","1") = "6"
    & skf21("7","7","7","6","2","1","3","1") = "6"
    & skf21("7","7","7","6","2","1","4","1") = "6"
    & skf21("7","7","7","6","2","1","5","1") = "6"
    & skf21("7","7","7","6","2","1","6","1") = "6"
    & skf21("7","7","7","6","2","1","7","1") = "6"
    & skf21("7","7","7","6","2","2","1","1") = "6"
    & skf21("7","7","7","6","2","2","2","1") = "6"
    & skf21("7","7","7","6","2","2","3","1") = "6"
    & skf21("7","7","7","6","2","2","4","1") = "6"
    & skf21("7","7","7","6","2","2","5","1") = "6"
    & skf21("7","7","7","6","2","2","6","1") = "6"
    & skf21("7","7","7","6","2","2","7","1") = "6"
    & skf21("7","7","7","6","2","3","1","1") = "6"
    & skf21("7","7","7","6","2","3","2","1") = "6"
    & skf21("7","7","7","6","2","3","3","1") = "6"
    & skf21("7","7","7","6","2","3","4","1") = "6"
    & skf21("7","7","7","6","2","3","5","1") = "6"
    & skf21("7","7","7","6","2","3","6","1") = "6"
    & skf21("7","7","7","6","2","3","7","1") = "6"
    & skf21("7","7","7","6","2","4","1","1") = "6"
    & skf21("7","7","7","6","2","4","2","1") = "6"
    & skf21("7","7","7","6","2","4","3","1") = "6"
    & skf21("7","7","7","6","2","4","4","1") = "6"
    & skf21("7","7","7","6","2","4","5","1") = "6"
    & skf21("7","7","7","6","2","4","6","1") = "6"
    & skf21("7","7","7","6","2","4","7","1") = "6"
    & skf21("7","7","7","6","2","5","1","1") = "6"
    & skf21("7","7","7","6","2","5","2","1") = "6"
    & skf21("7","7","7","6","2","5","3","1") = "6"
    & skf21("7","7","7","6","2","5","4","1") = "6"
    & skf21("7","7","7","6","2","5","5","1") = "6"
    & skf21("7","7","7","6","2","5","6","1") = "6"
    & skf21("7","7","7","6","2","5","7","1") = "6"
    & skf21("7","7","7","6","2","6","1","1") = "6"
    & skf21("7","7","7","6","2","6","2","1") = "6"
    & skf21("7","7","7","6","2","6","3","1") = "6"
    & skf21("7","7","7","6","2","6","4","1") = "6"
    & skf21("7","7","7","6","2","6","5","1") = "6"
    & skf21("7","7","7","6","2","6","6","1") = "6"
    & skf21("7","7","7","6","2","6","7","1") = "6"
    & skf21("7","7","7","6","2","7","1","1") = "6"
    & skf21("7","7","7","6","2","7","2","1") = "6"
    & skf21("7","7","7","6","2","7","3","1") = "6"
    & skf21("7","7","7","6","2","7","4","1") = "6"
    & skf21("7","7","7","6","2","7","5","1") = "6"
    & skf21("7","7","7","6","2","7","6","1") = "6"
    & skf21("7","7","7","6","2","7","7","1") = "6"
    & skf21("7","7","7","6","3","1","1","1") = "6"
    & skf21("7","7","7","6","3","1","2","1") = "6"
    & skf21("7","7","7","6","3","1","3","1") = "6"
    & skf21("7","7","7","6","3","1","4","1") = "6"
    & skf21("7","7","7","6","3","1","5","1") = "6"
    & skf21("7","7","7","6","3","1","6","1") = "6"
    & skf21("7","7","7","6","3","1","7","1") = "6"
    & skf21("7","7","7","6","3","2","1","1") = "6"
    & skf21("7","7","7","6","3","2","2","1") = "6"
    & skf21("7","7","7","6","3","2","3","1") = "6"
    & skf21("7","7","7","6","3","2","4","1") = "6"
    & skf21("7","7","7","6","3","2","5","1") = "6"
    & skf21("7","7","7","6","3","2","6","1") = "6"
    & skf21("7","7","7","6","3","2","7","1") = "6"
    & skf21("7","7","7","6","3","3","1","1") = "6"
    & skf21("7","7","7","6","3","3","2","1") = "6"
    & skf21("7","7","7","6","3","3","3","1") = "6"
    & skf21("7","7","7","6","3","3","4","1") = "6"
    & skf21("7","7","7","6","3","3","5","1") = "6"
    & skf21("7","7","7","6","3","3","6","1") = "6"
    & skf21("7","7","7","6","3","3","7","1") = "6"
    & skf21("7","7","7","6","3","4","1","1") = "6"
    & skf21("7","7","7","6","3","4","2","1") = "6"
    & skf21("7","7","7","6","3","4","3","1") = "6"
    & skf21("7","7","7","6","3","4","4","1") = "6"
    & skf21("7","7","7","6","3","4","5","1") = "6"
    & skf21("7","7","7","6","3","4","6","1") = "6"
    & skf21("7","7","7","6","3","4","7","1") = "6"
    & skf21("7","7","7","6","3","5","1","1") = "6"
    & skf21("7","7","7","6","3","5","2","1") = "6"
    & skf21("7","7","7","6","3","5","3","1") = "6"
    & skf21("7","7","7","6","3","5","4","1") = "6"
    & skf21("7","7","7","6","3","5","5","1") = "6"
    & skf21("7","7","7","6","3","5","6","1") = "6"
    & skf21("7","7","7","6","3","5","7","1") = "6"
    & skf21("7","7","7","6","3","6","1","1") = "6"
    & skf21("7","7","7","6","3","6","2","1") = "6"
    & skf21("7","7","7","6","3","6","3","1") = "6"
    & skf21("7","7","7","6","3","6","4","1") = "6"
    & skf21("7","7","7","6","3","6","5","1") = "6"
    & skf21("7","7","7","6","3","6","6","1") = "6"
    & skf21("7","7","7","6","3","6","7","1") = "6"
    & skf21("7","7","7","6","3","7","1","1") = "6"
    & skf21("7","7","7","6","3","7","2","1") = "6"
    & skf21("7","7","7","6","3","7","3","1") = "6"
    & skf21("7","7","7","6","3","7","4","1") = "6"
    & skf21("7","7","7","6","3","7","5","1") = "6"
    & skf21("7","7","7","6","3","7","6","1") = "6"
    & skf21("7","7","7","6","3","7","7","1") = "6"
    & skf21("7","7","7","6","4","1","1","1") = "6"
    & skf21("7","7","7","6","4","1","2","1") = "6"
    & skf21("7","7","7","6","4","1","3","1") = "6"
    & skf21("7","7","7","6","4","1","4","1") = "6"
    & skf21("7","7","7","6","4","1","5","1") = "6"
    & skf21("7","7","7","6","4","1","6","1") = "6"
    & skf21("7","7","7","6","4","1","7","1") = "6"
    & skf21("7","7","7","6","4","2","1","1") = "6"
    & skf21("7","7","7","6","4","2","2","1") = "6"
    & skf21("7","7","7","6","4","2","3","1") = "6"
    & skf21("7","7","7","6","4","2","4","1") = "6"
    & skf21("7","7","7","6","4","2","5","1") = "6"
    & skf21("7","7","7","6","4","2","6","1") = "6"
    & skf21("7","7","7","6","4","2","7","1") = "6"
    & skf21("7","7","7","6","4","3","1","1") = "6"
    & skf21("7","7","7","6","4","3","2","1") = "6"
    & skf21("7","7","7","6","4","3","3","1") = "6"
    & skf21("7","7","7","6","4","3","4","1") = "6"
    & skf21("7","7","7","6","4","3","5","1") = "6"
    & skf21("7","7","7","6","4","3","6","1") = "6"
    & skf21("7","7","7","6","4","3","7","1") = "6"
    & skf21("7","7","7","6","4","4","1","1") = "6"
    & skf21("7","7","7","6","4","4","2","1") = "6"
    & skf21("7","7","7","6","4","4","3","1") = "6"
    & skf21("7","7","7","6","4","4","4","1") = "6"
    & skf21("7","7","7","6","4","4","5","1") = "6"
    & skf21("7","7","7","6","4","4","6","1") = "6"
    & skf21("7","7","7","6","4","4","7","1") = "6"
    & skf21("7","7","7","6","4","5","1","1") = "6"
    & skf21("7","7","7","6","4","5","2","1") = "6"
    & skf21("7","7","7","6","4","5","3","1") = "6"
    & skf21("7","7","7","6","4","5","4","1") = "6"
    & skf21("7","7","7","6","4","5","5","1") = "6"
    & skf21("7","7","7","6","4","5","6","1") = "6"
    & skf21("7","7","7","6","4","5","7","1") = "6"
    & skf21("7","7","7","6","4","6","1","1") = "6"
    & skf21("7","7","7","6","4","6","2","1") = "6"
    & skf21("7","7","7","6","4","6","3","1") = "6"
    & skf21("7","7","7","6","4","6","4","1") = "6"
    & skf21("7","7","7","6","4","6","5","1") = "6"
    & skf21("7","7","7","6","4","6","6","1") = "6"
    & skf21("7","7","7","6","4","6","7","1") = "6"
    & skf21("7","7","7","6","4","7","1","1") = "6"
    & skf21("7","7","7","6","4","7","2","1") = "6"
    & skf21("7","7","7","6","4","7","3","1") = "6"
    & skf21("7","7","7","6","4","7","4","1") = "6"
    & skf21("7","7","7","6","4","7","5","1") = "6"
    & skf21("7","7","7","6","4","7","6","1") = "6"
    & skf21("7","7","7","6","4","7","7","1") = "6"
    & skf21("7","7","7","6","5","1","1","1") = "6"
    & skf21("7","7","7","6","5","1","2","1") = "6"
    & skf21("7","7","7","6","5","1","3","1") = "6"
    & skf21("7","7","7","6","5","1","4","1") = "6"
    & skf21("7","7","7","6","5","1","5","1") = "6"
    & skf21("7","7","7","6","5","1","6","1") = "6"
    & skf21("7","7","7","6","5","1","7","1") = "6"
    & skf21("7","7","7","6","5","2","1","1") = "6"
    & skf21("7","7","7","6","5","2","2","1") = "6"
    & skf21("7","7","7","6","5","2","3","1") = "6"
    & skf21("7","7","7","6","5","2","4","1") = "6"
    & skf21("7","7","7","6","5","2","5","1") = "6"
    & skf21("7","7","7","6","5","2","6","1") = "6"
    & skf21("7","7","7","6","5","2","7","1") = "6"
    & skf21("7","7","7","6","5","3","1","1") = "6"
    & skf21("7","7","7","6","5","3","2","1") = "6"
    & skf21("7","7","7","6","5","3","3","1") = "6"
    & skf21("7","7","7","6","5","3","4","1") = "6"
    & skf21("7","7","7","6","5","3","5","1") = "6"
    & skf21("7","7","7","6","5","3","6","1") = "6"
    & skf21("7","7","7","6","5","3","7","1") = "6"
    & skf21("7","7","7","6","5","4","1","1") = "6"
    & skf21("7","7","7","6","5","4","2","1") = "6"
    & skf21("7","7","7","6","5","4","3","1") = "6"
    & skf21("7","7","7","6","5","4","4","1") = "6"
    & skf21("7","7","7","6","5","4","5","1") = "6"
    & skf21("7","7","7","6","5","4","6","1") = "6"
    & skf21("7","7","7","6","5","4","7","1") = "6"
    & skf21("7","7","7","6","5","5","1","1") = "6"
    & skf21("7","7","7","6","5","5","2","1") = "6"
    & skf21("7","7","7","6","5","5","3","1") = "6"
    & skf21("7","7","7","6","5","5","4","1") = "6"
    & skf21("7","7","7","6","5","5","5","1") = "6"
    & skf21("7","7","7","6","5","5","6","1") = "6"
    & skf21("7","7","7","6","5","5","7","1") = "6"
    & skf21("7","7","7","6","5","6","1","1") = "6"
    & skf21("7","7","7","6","5","6","2","1") = "6"
    & skf21("7","7","7","6","5","6","3","1") = "6"
    & skf21("7","7","7","6","5","6","4","1") = "6"
    & skf21("7","7","7","6","5","6","5","1") = "6"
    & skf21("7","7","7","6","5","6","6","1") = "6"
    & skf21("7","7","7","6","5","6","7","1") = "6"
    & skf21("7","7","7","6","5","7","1","1") = "6"
    & skf21("7","7","7","6","5","7","2","1") = "6"
    & skf21("7","7","7","6","5","7","3","1") = "6"
    & skf21("7","7","7","6","5","7","4","1") = "6"
    & skf21("7","7","7","6","5","7","5","1") = "6"
    & skf21("7","7","7","6","5","7","6","1") = "6"
    & skf21("7","7","7","6","5","7","7","1") = "6"
    & skf21("7","7","7","6","6","1","1","1") = "6"
    & skf21("7","7","7","6","6","1","2","1") = "6"
    & skf21("7","7","7","6","6","1","3","1") = "6"
    & skf21("7","7","7","6","6","1","4","1") = "6"
    & skf21("7","7","7","6","6","1","5","1") = "6"
    & skf21("7","7","7","6","6","1","6","1") = "6"
    & skf21("7","7","7","6","6","1","7","1") = "6"
    & skf21("7","7","7","6","6","2","1","1") = "6"
    & skf21("7","7","7","6","6","2","2","1") = "6"
    & skf21("7","7","7","6","6","2","3","1") = "6"
    & skf21("7","7","7","6","6","2","4","1") = "6"
    & skf21("7","7","7","6","6","2","5","1") = "6"
    & skf21("7","7","7","6","6","2","6","1") = "6"
    & skf21("7","7","7","6","6","2","7","1") = "6"
    & skf21("7","7","7","6","6","3","1","1") = "6"
    & skf21("7","7","7","6","6","3","2","1") = "6"
    & skf21("7","7","7","6","6","3","3","1") = "6"
    & skf21("7","7","7","6","6","3","4","1") = "6"
    & skf21("7","7","7","6","6","3","5","1") = "6"
    & skf21("7","7","7","6","6","3","6","1") = "6"
    & skf21("7","7","7","6","6","3","7","1") = "6"
    & skf21("7","7","7","6","6","4","1","1") = "6"
    & skf21("7","7","7","6","6","4","2","1") = "6"
    & skf21("7","7","7","6","6","4","3","1") = "6"
    & skf21("7","7","7","6","6","4","4","1") = "6"
    & skf21("7","7","7","6","6","4","5","1") = "6"
    & skf21("7","7","7","6","6","4","6","1") = "6"
    & skf21("7","7","7","6","6","4","7","1") = "6"
    & skf21("7","7","7","6","6","5","1","1") = "6"
    & skf21("7","7","7","6","6","5","2","1") = "6"
    & skf21("7","7","7","6","6","5","3","1") = "6"
    & skf21("7","7","7","6","6","5","4","1") = "6"
    & skf21("7","7","7","6","6","5","5","1") = "6"
    & skf21("7","7","7","6","6","5","6","1") = "6"
    & skf21("7","7","7","6","6","5","7","1") = "6"
    & skf21("7","7","7","6","6","6","1","1") = "6"
    & skf21("7","7","7","6","6","6","2","1") = "6"
    & skf21("7","7","7","6","6","6","3","1") = "6"
    & skf21("7","7","7","6","6","6","4","1") = "6"
    & skf21("7","7","7","6","6","6","5","1") = "6"
    & skf21("7","7","7","6","6","6","6","1") = "6"
    & skf21("7","7","7","6","6","6","7","1") = "6"
    & skf21("7","7","7","6","6","7","1","1") = "6"
    & skf21("7","7","7","6","6","7","2","1") = "6"
    & skf21("7","7","7","6","6","7","3","1") = "6"
    & skf21("7","7","7","6","6","7","4","1") = "6"
    & skf21("7","7","7","6","6","7","5","1") = "6"
    & skf21("7","7","7","6","6","7","6","1") = "6"
    & skf21("7","7","7","6","6","7","7","1") = "6"
    & skf21("7","7","7","6","7","1","1","1") = "6"
    & skf21("7","7","7","6","7","1","2","1") = "6"
    & skf21("7","7","7","6","7","1","3","1") = "6"
    & skf21("7","7","7","6","7","1","4","1") = "6"
    & skf21("7","7","7","6","7","1","5","1") = "6"
    & skf21("7","7","7","6","7","1","6","1") = "6"
    & skf21("7","7","7","6","7","1","7","1") = "6"
    & skf21("7","7","7","6","7","2","1","1") = "6"
    & skf21("7","7","7","6","7","2","2","1") = "6"
    & skf21("7","7","7","6","7","2","3","1") = "6"
    & skf21("7","7","7","6","7","2","4","1") = "6"
    & skf21("7","7","7","6","7","2","5","1") = "6"
    & skf21("7","7","7","6","7","2","6","1") = "6"
    & skf21("7","7","7","6","7","2","7","1") = "6"
    & skf21("7","7","7","6","7","3","1","1") = "6"
    & skf21("7","7","7","6","7","3","2","1") = "6"
    & skf21("7","7","7","6","7","3","3","1") = "6"
    & skf21("7","7","7","6","7","3","4","1") = "6"
    & skf21("7","7","7","6","7","3","5","1") = "6"
    & skf21("7","7","7","6","7","3","6","1") = "6"
    & skf21("7","7","7","6","7","3","7","1") = "6"
    & skf21("7","7","7","6","7","4","1","1") = "6"
    & skf21("7","7","7","6","7","4","2","1") = "6"
    & skf21("7","7","7","6","7","4","3","1") = "6"
    & skf21("7","7","7","6","7","4","4","1") = "6"
    & skf21("7","7","7","6","7","4","5","1") = "6"
    & skf21("7","7","7","6","7","4","6","1") = "6"
    & skf21("7","7","7","6","7","4","7","1") = "6"
    & skf21("7","7","7","6","7","5","1","1") = "6"
    & skf21("7","7","7","6","7","5","2","1") = "6"
    & skf21("7","7","7","6","7","5","3","1") = "6"
    & skf21("7","7","7","6","7","5","4","1") = "6"
    & skf21("7","7","7","6","7","5","5","1") = "6"
    & skf21("7","7","7","6","7","5","6","1") = "6"
    & skf21("7","7","7","6","7","5","7","1") = "6"
    & skf21("7","7","7","6","7","6","1","1") = "6"
    & skf21("7","7","7","6","7","6","2","1") = "6"
    & skf21("7","7","7","6","7","6","3","1") = "6"
    & skf21("7","7","7","6","7","6","4","1") = "6"
    & skf21("7","7","7","6","7","6","5","1") = "6"
    & skf21("7","7","7","6","7","6","6","1") = "6"
    & skf21("7","7","7","6","7","6","7","1") = "6"
    & skf21("7","7","7","6","7","7","1","1") = "6"
    & skf21("7","7","7","6","7","7","2","1") = "6"
    & skf21("7","7","7","6","7","7","3","1") = "6"
    & skf21("7","7","7","6","7","7","4","1") = "6"
    & skf21("7","7","7","6","7","7","5","1") = "6"
    & skf21("7","7","7","6","7","7","6","1") = "6"
    & skf21("7","7","7","6","7","7","7","1") = "6"
    & skf21("7","7","7","7","1","1","1","1") = "6"
    & skf21("7","7","7","7","1","1","2","1") = "6"
    & skf21("7","7","7","7","1","1","3","1") = "6"
    & skf21("7","7","7","7","1","1","4","1") = "6"
    & skf21("7","7","7","7","1","1","5","1") = "6"
    & skf21("7","7","7","7","1","1","6","1") = "6"
    & skf21("7","7","7","7","1","1","7","1") = "6"
    & skf21("7","7","7","7","1","2","1","1") = "6"
    & skf21("7","7","7","7","1","2","2","1") = "6"
    & skf21("7","7","7","7","1","2","3","1") = "6"
    & skf21("7","7","7","7","1","2","4","1") = "6"
    & skf21("7","7","7","7","1","2","5","1") = "6"
    & skf21("7","7","7","7","1","2","6","1") = "6"
    & skf21("7","7","7","7","1","2","7","1") = "6"
    & skf21("7","7","7","7","1","3","1","1") = "6"
    & skf21("7","7","7","7","1","3","2","1") = "6"
    & skf21("7","7","7","7","1","3","3","1") = "6"
    & skf21("7","7","7","7","1","3","4","1") = "6"
    & skf21("7","7","7","7","1","3","5","1") = "6"
    & skf21("7","7","7","7","1","3","6","1") = "6"
    & skf21("7","7","7","7","1","3","7","1") = "6"
    & skf21("7","7","7","7","1","4","1","1") = "6"
    & skf21("7","7","7","7","1","4","2","1") = "6"
    & skf21("7","7","7","7","1","4","3","1") = "6"
    & skf21("7","7","7","7","1","4","4","1") = "6"
    & skf21("7","7","7","7","1","4","5","1") = "6"
    & skf21("7","7","7","7","1","4","6","1") = "6"
    & skf21("7","7","7","7","1","4","7","1") = "6"
    & skf21("7","7","7","7","1","5","1","1") = "6"
    & skf21("7","7","7","7","1","5","2","1") = "6"
    & skf21("7","7","7","7","1","5","3","1") = "6"
    & skf21("7","7","7","7","1","5","4","1") = "6"
    & skf21("7","7","7","7","1","5","5","1") = "6"
    & skf21("7","7","7","7","1","5","6","1") = "6"
    & skf21("7","7","7","7","1","5","7","1") = "6"
    & skf21("7","7","7","7","1","6","1","1") = "6"
    & skf21("7","7","7","7","1","6","2","1") = "6"
    & skf21("7","7","7","7","1","6","3","1") = "6"
    & skf21("7","7","7","7","1","6","4","1") = "6"
    & skf21("7","7","7","7","1","6","5","1") = "6"
    & skf21("7","7","7","7","1","6","6","1") = "6"
    & skf21("7","7","7","7","1","6","7","1") = "6"
    & skf21("7","7","7","7","1","7","1","1") = "6"
    & skf21("7","7","7","7","1","7","2","1") = "6"
    & skf21("7","7","7","7","1","7","3","1") = "6"
    & skf21("7","7","7","7","1","7","4","1") = "6"
    & skf21("7","7","7","7","1","7","5","1") = "6"
    & skf21("7","7","7","7","1","7","6","1") = "6"
    & skf21("7","7","7","7","1","7","7","1") = "6"
    & skf21("7","7","7","7","2","1","1","1") = "6"
    & skf21("7","7","7","7","2","1","2","1") = "6"
    & skf21("7","7","7","7","2","1","3","1") = "6"
    & skf21("7","7","7","7","2","1","4","1") = "6"
    & skf21("7","7","7","7","2","1","5","1") = "6"
    & skf21("7","7","7","7","2","1","6","1") = "6"
    & skf21("7","7","7","7","2","1","7","1") = "6"
    & skf21("7","7","7","7","2","2","1","1") = "6"
    & skf21("7","7","7","7","2","2","2","1") = "6"
    & skf21("7","7","7","7","2","2","3","1") = "6"
    & skf21("7","7","7","7","2","2","4","1") = "6"
    & skf21("7","7","7","7","2","2","5","1") = "6"
    & skf21("7","7","7","7","2","2","6","1") = "6"
    & skf21("7","7","7","7","2","2","7","1") = "6"
    & skf21("7","7","7","7","2","3","1","1") = "6"
    & skf21("7","7","7","7","2","3","2","1") = "6"
    & skf21("7","7","7","7","2","3","3","1") = "6"
    & skf21("7","7","7","7","2","3","4","1") = "6"
    & skf21("7","7","7","7","2","3","5","1") = "6"
    & skf21("7","7","7","7","2","3","6","1") = "6"
    & skf21("7","7","7","7","2","3","7","1") = "6"
    & skf21("7","7","7","7","2","4","1","1") = "6"
    & skf21("7","7","7","7","2","4","2","1") = "6"
    & skf21("7","7","7","7","2","4","3","1") = "6"
    & skf21("7","7","7","7","2","4","4","1") = "6"
    & skf21("7","7","7","7","2","4","5","1") = "6"
    & skf21("7","7","7","7","2","4","6","1") = "6"
    & skf21("7","7","7","7","2","4","7","1") = "6"
    & skf21("7","7","7","7","2","5","1","1") = "6"
    & skf21("7","7","7","7","2","5","2","1") = "6"
    & skf21("7","7","7","7","2","5","3","1") = "6"
    & skf21("7","7","7","7","2","5","4","1") = "6"
    & skf21("7","7","7","7","2","5","5","1") = "6"
    & skf21("7","7","7","7","2","5","6","1") = "6"
    & skf21("7","7","7","7","2","5","7","1") = "6"
    & skf21("7","7","7","7","2","6","1","1") = "6"
    & skf21("7","7","7","7","2","6","2","1") = "6"
    & skf21("7","7","7","7","2","6","3","1") = "6"
    & skf21("7","7","7","7","2","6","4","1") = "6"
    & skf21("7","7","7","7","2","6","5","1") = "6"
    & skf21("7","7","7","7","2","6","6","1") = "6"
    & skf21("7","7","7","7","2","6","7","1") = "6"
    & skf21("7","7","7","7","2","7","1","1") = "6"
    & skf21("7","7","7","7","2","7","2","1") = "6"
    & skf21("7","7","7","7","2","7","3","1") = "6"
    & skf21("7","7","7","7","2","7","4","1") = "6"
    & skf21("7","7","7","7","2","7","5","1") = "6"
    & skf21("7","7","7","7","2","7","6","1") = "6"
    & skf21("7","7","7","7","2","7","7","1") = "6"
    & skf21("7","7","7","7","3","1","1","1") = "6"
    & skf21("7","7","7","7","3","1","2","1") = "6"
    & skf21("7","7","7","7","3","1","3","1") = "6"
    & skf21("7","7","7","7","3","1","4","1") = "6"
    & skf21("7","7","7","7","3","1","5","1") = "6"
    & skf21("7","7","7","7","3","1","6","1") = "6"
    & skf21("7","7","7","7","3","1","7","1") = "6"
    & skf21("7","7","7","7","3","2","1","1") = "6"
    & skf21("7","7","7","7","3","2","2","1") = "6"
    & skf21("7","7","7","7","3","2","3","1") = "6"
    & skf21("7","7","7","7","3","2","4","1") = "6"
    & skf21("7","7","7","7","3","2","5","1") = "6"
    & skf21("7","7","7","7","3","2","6","1") = "6"
    & skf21("7","7","7","7","3","2","7","1") = "6"
    & skf21("7","7","7","7","3","3","1","1") = "6"
    & skf21("7","7","7","7","3","3","2","1") = "6"
    & skf21("7","7","7","7","3","3","3","1") = "6"
    & skf21("7","7","7","7","3","3","4","1") = "6"
    & skf21("7","7","7","7","3","3","5","1") = "6"
    & skf21("7","7","7","7","3","3","6","1") = "6"
    & skf21("7","7","7","7","3","3","7","1") = "6"
    & skf21("7","7","7","7","3","4","1","1") = "6"
    & skf21("7","7","7","7","3","4","2","1") = "6"
    & skf21("7","7","7","7","3","4","3","1") = "6"
    & skf21("7","7","7","7","3","4","4","1") = "6"
    & skf21("7","7","7","7","3","4","5","1") = "6"
    & skf21("7","7","7","7","3","4","6","1") = "6"
    & skf21("7","7","7","7","3","4","7","1") = "6"
    & skf21("7","7","7","7","3","5","1","1") = "6"
    & skf21("7","7","7","7","3","5","2","1") = "6"
    & skf21("7","7","7","7","3","5","3","1") = "6"
    & skf21("7","7","7","7","3","5","4","1") = "6"
    & skf21("7","7","7","7","3","5","5","1") = "6"
    & skf21("7","7","7","7","3","5","6","1") = "6"
    & skf21("7","7","7","7","3","5","7","1") = "6"
    & skf21("7","7","7","7","3","6","1","1") = "6"
    & skf21("7","7","7","7","3","6","2","1") = "6"
    & skf21("7","7","7","7","3","6","3","1") = "6"
    & skf21("7","7","7","7","3","6","4","1") = "6"
    & skf21("7","7","7","7","3","6","5","1") = "6"
    & skf21("7","7","7","7","3","6","6","1") = "6"
    & skf21("7","7","7","7","3","6","7","1") = "6"
    & skf21("7","7","7","7","3","7","1","1") = "6"
    & skf21("7","7","7","7","3","7","2","1") = "6"
    & skf21("7","7","7","7","3","7","3","1") = "6"
    & skf21("7","7","7","7","3","7","4","1") = "6"
    & skf21("7","7","7","7","3","7","5","1") = "6"
    & skf21("7","7","7","7","3","7","6","1") = "6"
    & skf21("7","7","7","7","3","7","7","1") = "6"
    & skf21("7","7","7","7","4","1","1","1") = "6"
    & skf21("7","7","7","7","4","1","2","1") = "6"
    & skf21("7","7","7","7","4","1","3","1") = "6"
    & skf21("7","7","7","7","4","1","4","1") = "6"
    & skf21("7","7","7","7","4","1","5","1") = "6"
    & skf21("7","7","7","7","4","1","6","1") = "6"
    & skf21("7","7","7","7","4","1","7","1") = "6"
    & skf21("7","7","7","7","4","2","1","1") = "6"
    & skf21("7","7","7","7","4","2","2","1") = "6"
    & skf21("7","7","7","7","4","2","3","1") = "6"
    & skf21("7","7","7","7","4","2","4","1") = "6"
    & skf21("7","7","7","7","4","2","5","1") = "6"
    & skf21("7","7","7","7","4","2","6","1") = "6"
    & skf21("7","7","7","7","4","2","7","1") = "6"
    & skf21("7","7","7","7","4","3","1","1") = "6"
    & skf21("7","7","7","7","4","3","2","1") = "6"
    & skf21("7","7","7","7","4","3","3","1") = "6"
    & skf21("7","7","7","7","4","3","4","1") = "6"
    & skf21("7","7","7","7","4","3","5","1") = "6"
    & skf21("7","7","7","7","4","3","6","1") = "6"
    & skf21("7","7","7","7","4","3","7","1") = "6"
    & skf21("7","7","7","7","4","4","1","1") = "6"
    & skf21("7","7","7","7","4","4","2","1") = "6"
    & skf21("7","7","7","7","4","4","3","1") = "6"
    & skf21("7","7","7","7","4","4","4","1") = "6"
    & skf21("7","7","7","7","4","4","5","1") = "6"
    & skf21("7","7","7","7","4","4","6","1") = "6"
    & skf21("7","7","7","7","4","4","7","1") = "6"
    & skf21("7","7","7","7","4","5","1","1") = "6"
    & skf21("7","7","7","7","4","5","2","1") = "6"
    & skf21("7","7","7","7","4","5","3","1") = "6"
    & skf21("7","7","7","7","4","5","4","1") = "6"
    & skf21("7","7","7","7","4","5","5","1") = "6"
    & skf21("7","7","7","7","4","5","6","1") = "6"
    & skf21("7","7","7","7","4","5","7","1") = "6"
    & skf21("7","7","7","7","4","6","1","1") = "6"
    & skf21("7","7","7","7","4","6","2","1") = "6"
    & skf21("7","7","7","7","4","6","3","1") = "6"
    & skf21("7","7","7","7","4","6","4","1") = "6"
    & skf21("7","7","7","7","4","6","5","1") = "6"
    & skf21("7","7","7","7","4","6","6","1") = "6"
    & skf21("7","7","7","7","4","6","7","1") = "6"
    & skf21("7","7","7","7","4","7","1","1") = "6"
    & skf21("7","7","7","7","4","7","2","1") = "6"
    & skf21("7","7","7","7","4","7","3","1") = "6"
    & skf21("7","7","7","7","4","7","4","1") = "6"
    & skf21("7","7","7","7","4","7","5","1") = "6"
    & skf21("7","7","7","7","4","7","6","1") = "6"
    & skf21("7","7","7","7","4","7","7","1") = "6"
    & skf21("7","7","7","7","5","1","1","1") = "6"
    & skf21("7","7","7","7","5","1","2","1") = "6"
    & skf21("7","7","7","7","5","1","3","1") = "6"
    & skf21("7","7","7","7","5","1","4","1") = "6"
    & skf21("7","7","7","7","5","1","5","1") = "6"
    & skf21("7","7","7","7","5","1","6","1") = "6"
    & skf21("7","7","7","7","5","1","7","1") = "6"
    & skf21("7","7","7","7","5","2","1","1") = "6"
    & skf21("7","7","7","7","5","2","2","1") = "6"
    & skf21("7","7","7","7","5","2","3","1") = "6"
    & skf21("7","7","7","7","5","2","4","1") = "6"
    & skf21("7","7","7","7","5","2","5","1") = "6"
    & skf21("7","7","7","7","5","2","6","1") = "6"
    & skf21("7","7","7","7","5","2","7","1") = "6"
    & skf21("7","7","7","7","5","3","1","1") = "6"
    & skf21("7","7","7","7","5","3","2","1") = "6"
    & skf21("7","7","7","7","5","3","3","1") = "6"
    & skf21("7","7","7","7","5","3","4","1") = "6"
    & skf21("7","7","7","7","5","3","5","1") = "6"
    & skf21("7","7","7","7","5","3","6","1") = "6"
    & skf21("7","7","7","7","5","3","7","1") = "6"
    & skf21("7","7","7","7","5","4","1","1") = "6"
    & skf21("7","7","7","7","5","4","2","1") = "6"
    & skf21("7","7","7","7","5","4","3","1") = "6"
    & skf21("7","7","7","7","5","4","4","1") = "6"
    & skf21("7","7","7","7","5","4","5","1") = "6"
    & skf21("7","7","7","7","5","4","6","1") = "6"
    & skf21("7","7","7","7","5","4","7","1") = "6"
    & skf21("7","7","7","7","5","5","1","1") = "6"
    & skf21("7","7","7","7","5","5","2","1") = "6"
    & skf21("7","7","7","7","5","5","3","1") = "6"
    & skf21("7","7","7","7","5","5","4","1") = "6"
    & skf21("7","7","7","7","5","5","5","1") = "6"
    & skf21("7","7","7","7","5","5","6","1") = "6"
    & skf21("7","7","7","7","5","5","7","1") = "6"
    & skf21("7","7","7","7","5","6","1","1") = "6"
    & skf21("7","7","7","7","5","6","2","1") = "6"
    & skf21("7","7","7","7","5","6","3","1") = "6"
    & skf21("7","7","7","7","5","6","4","1") = "6"
    & skf21("7","7","7","7","5","6","5","1") = "6"
    & skf21("7","7","7","7","5","6","6","1") = "6"
    & skf21("7","7","7","7","5","6","7","1") = "6"
    & skf21("7","7","7","7","5","7","1","1") = "6"
    & skf21("7","7","7","7","5","7","2","1") = "6"
    & skf21("7","7","7","7","5","7","3","1") = "6"
    & skf21("7","7","7","7","5","7","4","1") = "6"
    & skf21("7","7","7","7","5","7","5","1") = "6"
    & skf21("7","7","7","7","5","7","6","1") = "6"
    & skf21("7","7","7","7","5","7","7","1") = "6"
    & skf21("7","7","7","7","6","1","1","1") = "6"
    & skf21("7","7","7","7","6","1","2","1") = "6"
    & skf21("7","7","7","7","6","1","3","1") = "6"
    & skf21("7","7","7","7","6","1","4","1") = "6"
    & skf21("7","7","7","7","6","1","5","1") = "6"
    & skf21("7","7","7","7","6","1","6","1") = "6"
    & skf21("7","7","7","7","6","1","7","1") = "6"
    & skf21("7","7","7","7","6","2","1","1") = "6"
    & skf21("7","7","7","7","6","2","2","1") = "6"
    & skf21("7","7","7","7","6","2","3","1") = "6"
    & skf21("7","7","7","7","6","2","4","1") = "6"
    & skf21("7","7","7","7","6","2","5","1") = "6"
    & skf21("7","7","7","7","6","2","6","1") = "6"
    & skf21("7","7","7","7","6","2","7","1") = "6"
    & skf21("7","7","7","7","6","3","1","1") = "6"
    & skf21("7","7","7","7","6","3","2","1") = "6"
    & skf21("7","7","7","7","6","3","3","1") = "6"
    & skf21("7","7","7","7","6","3","4","1") = "6"
    & skf21("7","7","7","7","6","3","5","1") = "6"
    & skf21("7","7","7","7","6","3","6","1") = "6"
    & skf21("7","7","7","7","6","3","7","1") = "6"
    & skf21("7","7","7","7","6","4","1","1") = "6"
    & skf21("7","7","7","7","6","4","2","1") = "6"
    & skf21("7","7","7","7","6","4","3","1") = "6"
    & skf21("7","7","7","7","6","4","4","1") = "6"
    & skf21("7","7","7","7","6","4","5","1") = "6"
    & skf21("7","7","7","7","6","4","6","1") = "6"
    & skf21("7","7","7","7","6","4","7","1") = "6"
    & skf21("7","7","7","7","6","5","1","1") = "6"
    & skf21("7","7","7","7","6","5","2","1") = "6"
    & skf21("7","7","7","7","6","5","3","1") = "6"
    & skf21("7","7","7","7","6","5","4","1") = "6"
    & skf21("7","7","7","7","6","5","5","1") = "6"
    & skf21("7","7","7","7","6","5","6","1") = "6"
    & skf21("7","7","7","7","6","5","7","1") = "6"
    & skf21("7","7","7","7","6","6","1","1") = "6"
    & skf21("7","7","7","7","6","6","2","1") = "6"
    & skf21("7","7","7","7","6","6","3","1") = "6"
    & skf21("7","7","7","7","6","6","4","1") = "6"
    & skf21("7","7","7","7","6","6","5","1") = "6"
    & skf21("7","7","7","7","6","6","6","1") = "6"
    & skf21("7","7","7","7","6","6","7","1") = "6"
    & skf21("7","7","7","7","6","7","1","1") = "6"
    & skf21("7","7","7","7","6","7","2","1") = "6"
    & skf21("7","7","7","7","6","7","3","1") = "6"
    & skf21("7","7","7","7","6","7","4","1") = "6"
    & skf21("7","7","7","7","6","7","5","1") = "6"
    & skf21("7","7","7","7","6","7","6","1") = "6"
    & skf21("7","7","7","7","6","7","7","1") = "6"
    & skf21("7","7","7","7","7","1","1","1") = "6"
    & skf21("7","7","7","7","7","1","2","1") = "6"
    & skf21("7","7","7","7","7","1","3","1") = "6"
    & skf21("7","7","7","7","7","1","4","1") = "6"
    & skf21("7","7","7","7","7","1","5","1") = "6"
    & skf21("7","7","7","7","7","1","6","1") = "6"
    & skf21("7","7","7","7","7","1","7","1") = "6"
    & skf21("7","7","7","7","7","2","1","1") = "6"
    & skf21("7","7","7","7","7","2","2","1") = "6"
    & skf21("7","7","7","7","7","2","3","1") = "6"
    & skf21("7","7","7","7","7","2","4","1") = "6"
    & skf21("7","7","7","7","7","2","5","1") = "6"
    & skf21("7","7","7","7","7","2","6","1") = "6"
    & skf21("7","7","7","7","7","2","7","1") = "6"
    & skf21("7","7","7","7","7","3","1","1") = "6"
    & skf21("7","7","7","7","7","3","2","1") = "6"
    & skf21("7","7","7","7","7","3","3","1") = "6"
    & skf21("7","7","7","7","7","3","4","1") = "6"
    & skf21("7","7","7","7","7","3","5","1") = "6"
    & skf21("7","7","7","7","7","3","6","1") = "6"
    & skf21("7","7","7","7","7","3","7","1") = "6"
    & skf21("7","7","7","7","7","4","1","1") = "6"
    & skf21("7","7","7","7","7","4","2","1") = "6"
    & skf21("7","7","7","7","7","4","3","1") = "6"
    & skf21("7","7","7","7","7","4","4","1") = "6"
    & skf21("7","7","7","7","7","4","5","1") = "6"
    & skf21("7","7","7","7","7","4","6","1") = "6"
    & skf21("7","7","7","7","7","4","7","1") = "6"
    & skf21("7","7","7","7","7","5","1","1") = "6"
    & skf21("7","7","7","7","7","5","2","1") = "6"
    & skf21("7","7","7","7","7","5","3","1") = "6"
    & skf21("7","7","7","7","7","5","4","1") = "6"
    & skf21("7","7","7","7","7","5","5","1") = "6"
    & skf21("7","7","7","7","7","5","6","1") = "6"
    & skf21("7","7","7","7","7","5","7","1") = "6"
    & skf21("7","7","7","7","7","6","1","1") = "6"
    & skf21("7","7","7","7","7","6","2","1") = "6"
    & skf21("7","7","7","7","7","6","3","1") = "6"
    & skf21("7","7","7","7","7","6","4","1") = "6"
    & skf21("7","7","7","7","7","6","5","1") = "6"
    & skf21("7","7","7","7","7","6","6","1") = "6"
    & skf21("7","7","7","7","7","6","7","1") = "6"
    & skf21("7","7","7","7","7","7","1","1") = "6"
    & skf21("7","7","7","7","7","7","2","1") = "6"
    & skf21("7","7","7","7","7","7","3","1") = "6"
    & skf21("7","7","7","7","7","7","4","1") = "6"
    & skf21("7","7","7","7","7","7","5","1") = "6"
    & skf21("7","7","7","7","7","7","6","1") = "6"
    & skf21("7","7","7","7","7","7","7","1") = "6"
    & ! [X1,X2,X3,X4,X5,X6,X7] : skf21(X1,X2,X3,X4,X5,X6,X7,"2") = skf21(X1,X2,X3,X4,X5,X6,X7,"1")
    & ! [X1,X2,X3,X4,X5,X6,X7] : skf21(X1,X2,X3,X4,X5,X6,X7,"3") = skf21(X1,X2,X3,X4,X5,X6,X7,"2")
    & ! [X1,X2,X3,X4,X5,X6,X7] : skf21(X1,X2,X3,X4,X5,X6,X7,"4") = skf21(X1,X2,X3,X4,X5,X6,X7,"3")
    & ! [X1,X2,X3,X4,X5,X6,X7] : skf21(X1,X2,X3,X4,X5,X6,X7,"5") = skf21(X1,X2,X3,X4,X5,X6,X7,"4")
    & ! [X1,X2,X3,X4,X5,X6,X7] : skf21(X1,X2,X3,X4,X5,X6,X7,"6") = skf21(X1,X2,X3,X4,X5,X6,X7,"5")
    & ! [X1,X2,X3,X4,X5,X6,X7] : skf21(X1,X2,X3,X4,X5,X6,X7,"7") = skf21(X1,X2,X3,X4,X5,X6,X7,"6") ) ).

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

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 )
    & ! [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) ) ) ).

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

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

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

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : NLP077-1 : TPTP v8.1.0. Released v2.4.0.
% 0.11/0.13  % Command  : paradox --no-progress --time %d --tstp --model %s
% 0.12/0.34  % Computer : n015.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Thu Jun 30 20:32:57 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  Paradox, version 4.0, 2010-06-29.
% 0.12/0.34  +++ PROBLEM: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/0.34  Reading '/export/starexec/sandbox/benchmark/theBenchmark.p' ... OK
% 0.12/0.37  +++ SOLVING: /export/starexec/sandbox/benchmark/theBenchmark.p
% 32.50/32.70  +++ BEGIN MODEL
% 32.50/32.70  SZS output start FiniteModel for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 42.88/43.04  +++ END MODEL
% 43.78/43.92  +++ RESULT: Satisfiable
% 43.78/43.92  SZS status Satisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
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